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s3:auth_samba4: make use of imessaging_init_discard_incoming()
[Samba.git] / source3 / passdb / pdb_ldap.c
blob93da28b194145e7099e93f666cf475b8f14f9edc
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 schame 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 /* Unfortunatly 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 passord 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=%s)"
2705 "(objectClass=%s)"
2706 "(sambaSID=%s))",
2707 LDAP_OBJ_POSIXGROUP,
2708 LDAP_OBJ_GROUPMAP,
2709 dom_sid_str_buf(group, &buf));
2710 if (filter == NULL) {
2711 ret = NT_STATUS_NO_MEMORY;
2712 goto done;
2713 }
2714
2715 rc = smbldap_search(conn, lp_ldap_suffix(),
2716 LDAP_SCOPE_SUBTREE, filter, id_attrs, 0,
2717 &result);
2718
2719 if (rc != LDAP_SUCCESS)
2720 goto done;
2721
2722 smbldap_talloc_autofree_ldapmsg(mem_ctx, result);
2723
2724 count = ldap_count_entries(smbldap_get_ldap(conn), result);
2725
2726 if (count > 1) {
2727 DEBUG(1, ("Found more than one groupmap entry for %s\n",
2728 dom_sid_str_buf(group, &buf)));
2729 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2730 goto done;
2731 }
2732
2733 if (count == 0) {
2734 ret = NT_STATUS_NO_SUCH_GROUP;
2735 goto done;
2736 }
2737
2738 entry = ldap_first_entry(smbldap_get_ldap(conn), result);
2739 if (entry == NULL)
2740 goto done;
2741
2742 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", mem_ctx);
2743 if (!gidstr) {
2744 DEBUG (0, ("ldapsam_enum_group_members: Unable to find the group's gid!\n"));
2745 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2746 goto done;
2747 }
2748
2749 values = ldap_get_values(smbldap_get_ldap(conn), entry, "memberUid");
2750
2751 if ((values != NULL) && (values[0] != NULL)) {
2752
2753 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)(|", LDAP_OBJ_SAMBASAMACCOUNT);
2754 if (filter == NULL) {
2755 ret = NT_STATUS_NO_MEMORY;
2756 goto done;
2757 }
2758
2759 for (memberuid = values; *memberuid != NULL; memberuid += 1) {
2760 char *escape_memberuid;
2761
2762 escape_memberuid = escape_ldap_string(talloc_tos(),
2763 *memberuid);
2764 if (escape_memberuid == NULL) {
2765 ret = NT_STATUS_NO_MEMORY;
2766 goto done;
2767 }
2768
2769 filter = talloc_asprintf_append_buffer(filter, "(uid=%s)", escape_memberuid);
2770 TALLOC_FREE(escape_memberuid);
2771 if (filter == NULL) {
2772 ret = NT_STATUS_NO_MEMORY;
2773 goto done;
2774 }
2775 }
2776
2777 filter = talloc_asprintf_append_buffer(filter, "))");
2778 if (filter == NULL) {
2779 ret = NT_STATUS_NO_MEMORY;
2780 goto done;
2781 }
2782
2783 rc = smbldap_search(conn, lp_ldap_suffix(),
2784 LDAP_SCOPE_SUBTREE, filter, sid_attrs, 0,
2785 &result);
2786
2787 if (rc != LDAP_SUCCESS)
2788 goto done;
2789
2790 count = ldap_count_entries(smbldap_get_ldap(conn), result);
2791 DEBUG(10,("ldapsam_enum_group_members: found %d accounts\n", count));
2792
2793 smbldap_talloc_autofree_ldapmsg(mem_ctx, result);
2794
2795 for (entry = ldap_first_entry(smbldap_get_ldap(conn), result);
2796 entry != NULL;
2797 entry = ldap_next_entry(smbldap_get_ldap(conn), entry))
2798 {
2799 char *sidstr;
2800 struct dom_sid sid;
2801 uint32_t rid;
2802
2803 sidstr = smbldap_talloc_single_attribute(
2804 smbldap_get_ldap(conn), entry, "sambaSID",
2805 mem_ctx);
2806 if (!sidstr) {
2807 DEBUG(0, ("Severe DB error, %s can't miss the sambaSID"
2808 "attribute\n", LDAP_OBJ_SAMBASAMACCOUNT));
2809 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2810 goto done;
2811 }
2812
2813 if (!string_to_sid(&sid, sidstr))
2814 goto done;
2815
2816 if (!sid_check_is_in_our_sam(&sid)) {
2817 DEBUG(0, ("Inconsistent SAM -- group member uid not "
2818 "in our domain\n"));
2819 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2820 goto done;
2821 }
2822
2823 sid_peek_rid(&sid, &rid);
2824
2825 if (!add_rid_to_array_unique(mem_ctx, rid, pp_member_rids,
2826 p_num_members)) {
2827 ret = NT_STATUS_NO_MEMORY;
2828 goto done;
2829 }
2830 }
2831 }
2832
2833 filter = talloc_asprintf(mem_ctx,
2834 "(&(objectClass=%s)"
2835 "(gidNumber=%s))",
2836 LDAP_OBJ_SAMBASAMACCOUNT,
2837 gidstr);
2838
2839 rc = smbldap_search(conn, lp_ldap_suffix(),
2840 LDAP_SCOPE_SUBTREE, filter, sid_attrs, 0,
2841 &result);
2842
2843 if (rc != LDAP_SUCCESS)
2844 goto done;
2845
2846 smbldap_talloc_autofree_ldapmsg(mem_ctx, result);
2847
2848 for (entry = ldap_first_entry(smbldap_get_ldap(conn), result);
2849 entry != NULL;
2850 entry = ldap_next_entry(smbldap_get_ldap(conn), entry))
2851 {
2852 uint32_t rid;
2853
2854 if (!ldapsam_extract_rid_from_entry(smbldap_get_ldap(conn),
2855 entry,
2856 get_global_sam_sid(),
2857 &rid)) {
2858 DEBUG(0, ("Severe DB error, %s can't miss the samba SID" "attribute\n", LDAP_OBJ_SAMBASAMACCOUNT));
2859 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2860 goto done;
2861 }
2862
2863 if (!add_rid_to_array_unique(mem_ctx, rid, pp_member_rids,
2864 p_num_members)) {
2865 ret = NT_STATUS_NO_MEMORY;
2866 goto done;
2867 }
2868 }
2869
2870 ret = NT_STATUS_OK;
2871
2872 done:
2873
2874 if (values)
2875 ldap_value_free(values);
2876
2877 return ret;
2878 }
2879
2880 static NTSTATUS ldapsam_enum_group_memberships(struct pdb_methods *methods,
2881 TALLOC_CTX *mem_ctx,
2882 struct samu *user,
2883 struct dom_sid **pp_sids,
2884 gid_t **pp_gids,
2885 uint32_t *p_num_groups)
2886 {
2887 struct ldapsam_privates *ldap_state =
2888 (struct ldapsam_privates *)methods->private_data;
2889 struct smbldap_state *conn = ldap_state->smbldap_state;
2890 char *filter;
2891 const char *attrs[] = { "gidNumber", "sambaSID", NULL };
2892 char *escape_name;
2893 int rc, count;
2894 LDAPMessage *result = NULL;
2895 LDAPMessage *entry;
2896 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2897 uint32_t num_sids;
2898 uint32_t num_gids;
2899 char *gidstr;
2900 gid_t primary_gid = -1;
2901 int error = 0;
2902
2903 *pp_sids = NULL;
2904 num_sids = 0;
2905
2906 if (pdb_get_username(user) == NULL) {
2907 return NT_STATUS_INVALID_PARAMETER;
2908 }
2909
2910 escape_name = escape_ldap_string(talloc_tos(), pdb_get_username(user));
2911 if (escape_name == NULL)
2912 return NT_STATUS_NO_MEMORY;
2913
2914 if (user->unix_pw) {
2915 primary_gid = user->unix_pw->pw_gid;
2916 } else {
2917 /* retrieve the users primary gid */
2918 filter = talloc_asprintf(mem_ctx,
2919 "(&(objectClass=%s)(uid=%s))",
2920 LDAP_OBJ_SAMBASAMACCOUNT,
2921 escape_name);
2922 if (filter == NULL) {
2923 ret = NT_STATUS_NO_MEMORY;
2924 goto done;
2925 }
2926
2927 rc = smbldap_search(conn, lp_ldap_suffix(),
2928 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
2929
2930 if (rc != LDAP_SUCCESS)
2931 goto done;
2932
2933 smbldap_talloc_autofree_ldapmsg(mem_ctx, result);
2934
2935 count = ldap_count_entries(priv2ld(ldap_state), result);
2936
2937 switch (count) {
2938 case 0:
2939 DEBUG(1, ("User account [%s] not found!\n", pdb_get_username(user)));
2940 ret = NT_STATUS_NO_SUCH_USER;
2941 goto done;
2942 case 1:
2943 entry = ldap_first_entry(priv2ld(ldap_state), result);
2944
2945 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", mem_ctx);
2946 if (!gidstr) {
2947 DEBUG (1, ("Unable to find the member's gid!\n"));
2948 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2949 goto done;
2950 }
2951 primary_gid = smb_strtoul(gidstr,
2952 NULL,
2953 10,
2954 &error,
2955 SMB_STR_STANDARD);
2956 if (error != 0) {
2957 DBG_ERR("Failed to convert GID\n");
2958 goto done;
2959 }
2960 break;
2961 default:
2962 DEBUG(1, ("found more than one account with the same user name ?!\n"));
2963 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2964 goto done;
2965 }
2966 }
2967
2968 filter = talloc_asprintf(mem_ctx,
2969 "(&(objectClass=%s)(|(memberUid=%s)(gidNumber=%u)))",
2970 LDAP_OBJ_POSIXGROUP, escape_name, (unsigned int)primary_gid);
2971 if (filter == NULL) {
2972 ret = NT_STATUS_NO_MEMORY;
2973 goto done;
2974 }
2975
2976 rc = smbldap_search(conn, lp_ldap_suffix(),
2977 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
2978
2979 if (rc != LDAP_SUCCESS)
2980 goto done;
2981
2982 smbldap_talloc_autofree_ldapmsg(mem_ctx, result);
2983
2984 num_gids = 0;
2985 *pp_gids = NULL;
2986
2987 num_sids = 0;
2988 *pp_sids = NULL;
2989
2990 /* We need to add the primary group as the first gid/sid */
2991
2992 if (!add_gid_to_array_unique(mem_ctx, primary_gid, pp_gids, &num_gids)) {
2993 ret = NT_STATUS_NO_MEMORY;
2994 goto done;
2995 }
2996
2997 /* This sid will be replaced later */
2998
2999 ret = add_sid_to_array_unique(mem_ctx, &global_sid_NULL, pp_sids,
3000 &num_sids);
3001 if (!NT_STATUS_IS_OK(ret)) {
3002 goto done;
3003 }
3004
3005 for (entry = ldap_first_entry(smbldap_get_ldap(conn), result);
3006 entry != NULL;
3007 entry = ldap_next_entry(smbldap_get_ldap(conn), entry))
3008 {
3009 fstring str;
3010 struct dom_sid sid;
3011 gid_t gid;
3012
3013 if (!smbldap_get_single_attribute(smbldap_get_ldap(conn),
3014 entry, "sambaSID",
3015 str, sizeof(str)-1))
3016 continue;
3017
3018 if (!string_to_sid(&sid, str))
3019 goto done;
3020
3021 if (!smbldap_get_single_attribute(smbldap_get_ldap(conn),
3022 entry, "gidNumber",
3023 str, sizeof(str)-1))
3024 continue;
3025
3026 gid = smb_strtoul(str, NULL, 10, &error, SMB_STR_FULL_STR_CONV);
3027
3028 if (error != 0) {
3029 goto done;
3030 }
3031
3032 if (gid == primary_gid) {
3033 sid_copy(&(*pp_sids)[0], &sid);
3034 } else {
3035 if (!add_gid_to_array_unique(mem_ctx, gid, pp_gids,
3036 &num_gids)) {
3037 ret = NT_STATUS_NO_MEMORY;
3038 goto done;
3039 }
3040 ret = add_sid_to_array_unique(mem_ctx, &sid, pp_sids,
3041 &num_sids);
3042 if (!NT_STATUS_IS_OK(ret)) {
3043 goto done;
3044 }
3045 }
3046 }
3047
3048 if (dom_sid_compare(&global_sid_NULL, &(*pp_sids)[0]) == 0) {
3049 DEBUG(3, ("primary group of [%s] not found\n",
3050 pdb_get_username(user)));
3051 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
3052 goto done;
3053 }
3054
3055 *p_num_groups = num_sids;
3056
3057 ret = NT_STATUS_OK;
3058
3059 done:
3060
3061 TALLOC_FREE(escape_name);
3062 return ret;
3063 }
3064
3065 /**********************************************************************
3066 * Augment a posixGroup object with a sambaGroupMapping domgroup
3067 *********************************************************************/
3068
3069 static NTSTATUS ldapsam_map_posixgroup(TALLOC_CTX *mem_ctx,
3070 struct ldapsam_privates *ldap_state,
3071 GROUP_MAP *map)
3072 {
3073 const char *filter, *dn;
3074 LDAPMessage *msg, *entry;
3075 LDAPMod **mods;
3076 struct dom_sid_buf buf;
3077 int rc;
3078
3079 filter = talloc_asprintf(mem_ctx,
3080 "(&(objectClass=%s)(gidNumber=%u))",
3081 LDAP_OBJ_POSIXGROUP, (unsigned int)map->gid);
3082 if (filter == NULL) {
3083 return NT_STATUS_NO_MEMORY;
3084 }
3085
3086 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter,
3087 get_attr_list(mem_ctx, groupmap_attr_list),
3088 &msg);
3089 smbldap_talloc_autofree_ldapmsg(mem_ctx, msg);
3090
3091 if ((rc != LDAP_SUCCESS) ||
3092 (ldap_count_entries(smbldap_get_ldap(ldap_state->smbldap_state),
3093 msg) != 1) ||
3094 ((entry = ldap_first_entry(
3095 smbldap_get_ldap(ldap_state->smbldap_state),
3096 msg)) == NULL)) {
3097 return NT_STATUS_NO_SUCH_GROUP;
3098 }
3099
3100 dn = smbldap_talloc_dn(mem_ctx,
3101 smbldap_get_ldap(ldap_state->smbldap_state),
3102 entry);
3103 if (dn == NULL) {
3104 return NT_STATUS_NO_MEMORY;
3105 }
3106
3107 mods = NULL;
3108 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass",
3109 LDAP_OBJ_GROUPMAP);
3110 smbldap_make_mod(smbldap_get_ldap(ldap_state->smbldap_state), entry,
3111 &mods, "sambaSid",
3112 dom_sid_str_buf(&map->sid, &buf));
3113 smbldap_make_mod(smbldap_get_ldap(ldap_state->smbldap_state), entry,
3114 &mods, "sambaGroupType",
3115 talloc_asprintf(mem_ctx, "%d", map->sid_name_use));
3116 smbldap_make_mod(smbldap_get_ldap(ldap_state->smbldap_state), entry,
3117 &mods, "displayName",
3118 map->nt_name);
3119 smbldap_make_mod(smbldap_get_ldap(ldap_state->smbldap_state), entry,
3120 &mods, "description",
3121 map->comment);
3122 smbldap_talloc_autofree_ldapmod(mem_ctx, mods);
3123
3124 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3125 if (rc != LDAP_SUCCESS) {
3126 return NT_STATUS_ACCESS_DENIED;
3127 }
3128
3129 return NT_STATUS_OK;
3130 }
3131
3132 static NTSTATUS ldapsam_add_group_mapping_entry(struct pdb_methods *methods,
3133 GROUP_MAP *map)
3134 {
3135 struct ldapsam_privates *ldap_state =
3136 (struct ldapsam_privates *)methods->private_data;
3137 LDAPMessage *msg = NULL;
3138 LDAPMod **mods = NULL;
3139 const char *attrs[] = { NULL };
3140 char *filter;
3141
3142 char *dn;
3143 TALLOC_CTX *mem_ctx;
3144 NTSTATUS result;
3145
3146 struct dom_sid sid;
3147 struct dom_sid_buf buf;
3148 struct unixid id;
3149
3150 int rc;
3151
3152 mem_ctx = talloc_new(NULL);
3153 if (mem_ctx == NULL) {
3154 DEBUG(0, ("talloc_new failed\n"));
3155 return NT_STATUS_NO_MEMORY;
3156 }
3157
3158 filter = talloc_asprintf(mem_ctx, "(sambaSid=%s)",
3159 dom_sid_str_buf(&map->sid, &buf));
3160 if (filter == NULL) {
3161 result = NT_STATUS_NO_MEMORY;
3162 goto done;
3163 }
3164
3165 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_suffix(),
3166 LDAP_SCOPE_SUBTREE, filter, attrs, True, &msg);
3167 smbldap_talloc_autofree_ldapmsg(mem_ctx, msg);
3168
3169 if ((rc == LDAP_SUCCESS) &&
3170 (ldap_count_entries(smbldap_get_ldap(ldap_state->smbldap_state),
3171 msg) > 0)) {
3172
3173 DEBUG(3, ("SID %s already present in LDAP, refusing to add "
3174 "group mapping entry\n",
3175 dom_sid_str_buf(&map->sid, &buf)));
3176 result = NT_STATUS_GROUP_EXISTS;
3177 goto done;
3178 }
3179
3180 switch (map->sid_name_use) {
3181
3182 case SID_NAME_DOM_GRP:
3183 /* To map a domain group we need to have a posix group
3184 to attach to. */
3185 result = ldapsam_map_posixgroup(mem_ctx, ldap_state, map);
3186 goto done;
3187 break;
3188
3189 case SID_NAME_ALIAS:
3190 if (!sid_check_is_in_our_sam(&map->sid)
3191 && !sid_check_is_in_builtin(&map->sid) )
3192 {
3193 DEBUG(3, ("Refusing to map sid %s as an alias, not in our domain\n",
3194 dom_sid_str_buf(&map->sid, &buf)));
3195 result = NT_STATUS_INVALID_PARAMETER;
3196 goto done;
3197 }
3198 break;
3199
3200 default:
3201 DEBUG(3, ("Got invalid use '%s' for mapping\n",
3202 sid_type_lookup(map->sid_name_use)));
3203 result = NT_STATUS_INVALID_PARAMETER;
3204 goto done;
3205 }
3206
3207 /* Domain groups have been mapped in a separate routine, we have to
3208 * create an alias now */
3209
3210 if (map->gid == -1) {
3211 DEBUG(10, ("Refusing to map gid==-1\n"));
3212 result = NT_STATUS_INVALID_PARAMETER;
3213 goto done;
3214 }
3215
3216 id.id = map->gid;
3217 id.type = ID_TYPE_GID;
3218
3219 if (pdb_id_to_sid(&id, &sid)) {
3220 DEBUG(3, ("Gid %u is already mapped to SID %s, refusing to "
3221 "add\n",
3222 (unsigned int)map->gid,
3223 dom_sid_str_buf(&sid, &buf)));
3224 result = NT_STATUS_GROUP_EXISTS;
3225 goto done;
3226 }
3227
3228 /* Ok, enough checks done. It's still racy to go ahead now, but that's
3229 * the best we can get out of LDAP. */
3230
3231 dn = talloc_asprintf(mem_ctx, "sambaSid=%s,%s",
3232 dom_sid_str_buf(&map->sid, &buf),
3233 lp_ldap_group_suffix(talloc_tos()));
3234 if (dn == NULL) {
3235 result = NT_STATUS_NO_MEMORY;
3236 goto done;
3237 }
3238
3239 mods = NULL;
3240
3241 smbldap_make_mod(smbldap_get_ldap(ldap_state->smbldap_state), NULL,
3242 &mods, "objectClass", LDAP_OBJ_SID_ENTRY);
3243 smbldap_make_mod(smbldap_get_ldap(ldap_state->smbldap_state), NULL,
3244 &mods, "objectClass", LDAP_OBJ_GROUPMAP);
3245 smbldap_make_mod(smbldap_get_ldap(ldap_state->smbldap_state), NULL,
3246 &mods, "sambaSid",
3247 dom_sid_str_buf(&map->sid, &buf));
3248 smbldap_make_mod(smbldap_get_ldap(ldap_state->smbldap_state), NULL,
3249 &mods, "sambaGroupType",
3250 talloc_asprintf(mem_ctx, "%d", map->sid_name_use));
3251 smbldap_make_mod(smbldap_get_ldap(ldap_state->smbldap_state), NULL,
3252 &mods, "displayName",
3253 map->nt_name);
3254 smbldap_make_mod(smbldap_get_ldap(ldap_state->smbldap_state), NULL,
3255 &mods, "description",
3256 map->comment);
3257 smbldap_make_mod(smbldap_get_ldap(ldap_state->smbldap_state), NULL,
3258 &mods, "gidNumber",
3259 talloc_asprintf(mem_ctx, "%u",
3260 (unsigned int)map->gid));
3261 smbldap_talloc_autofree_ldapmod(mem_ctx, mods);
3262
3263 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
3264
3265 result = (rc == LDAP_SUCCESS) ?
3266 NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
3267
3268 done:
3269 TALLOC_FREE(mem_ctx);
3270 return result;
3271 }
3272
3273 /**********************************************************************
3274 * Update a group mapping entry. We're quite strict about what can be changed:
3275 * Only the description and displayname may be changed. It simply does not
3276 * make any sense to change the SID, gid or the type in a mapping.
3277 *********************************************************************/
3278
3279 static NTSTATUS ldapsam_update_group_mapping_entry(struct pdb_methods *methods,
3280 GROUP_MAP *map)
3281 {
3282 struct ldapsam_privates *ldap_state =
3283 (struct ldapsam_privates *)methods->private_data;
3284 int rc;
3285 const char *filter, *dn;
3286 LDAPMessage *msg = NULL;
3287 LDAPMessage *entry = NULL;
3288 LDAPMod **mods = NULL;
3289 TALLOC_CTX *mem_ctx;
3290 NTSTATUS result;
3291 struct dom_sid_buf buf;
3292
3293 mem_ctx = talloc_new(NULL);
3294 if (mem_ctx == NULL) {
3295 DEBUG(0, ("talloc_new failed\n"));
3296 return NT_STATUS_NO_MEMORY;
3297 }
3298
3299 /* Make 100% sure that sid, gid and type are not changed by looking up
3300 * exactly the values we're given in LDAP. */
3301
3302 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)"
3303 "(sambaSid=%s)(gidNumber=%u)"
3304 "(sambaGroupType=%d))",
3305 LDAP_OBJ_GROUPMAP,
3306 dom_sid_str_buf(&map->sid, &buf),
3307 (unsigned int)map->gid, map->sid_name_use);
3308 if (filter == NULL) {
3309 result = NT_STATUS_NO_MEMORY;
3310 goto done;
3311 }
3312
3313 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter,
3314 get_attr_list(mem_ctx, groupmap_attr_list),
3315 &msg);
3316 smbldap_talloc_autofree_ldapmsg(mem_ctx, msg);
3317
3318 if ((rc != LDAP_SUCCESS) ||
3319 (ldap_count_entries(smbldap_get_ldap(ldap_state->smbldap_state),
3320 msg) != 1) ||
3321 ((entry = ldap_first_entry(
3322 smbldap_get_ldap(ldap_state->smbldap_state),
3323 msg)) == NULL)) {
3324 result = NT_STATUS_NO_SUCH_GROUP;
3325 goto done;
3326 }
3327
3328 dn = smbldap_talloc_dn(
3329 mem_ctx, smbldap_get_ldap(ldap_state->smbldap_state), entry);
3330
3331 if (dn == NULL) {
3332 result = NT_STATUS_NO_MEMORY;
3333 goto done;
3334 }
3335
3336 mods = NULL;
3337 smbldap_make_mod(smbldap_get_ldap(ldap_state->smbldap_state), entry,
3338 &mods, "displayName", map->nt_name);
3339 smbldap_make_mod(smbldap_get_ldap(ldap_state->smbldap_state), entry,
3340 &mods, "description", map->comment);
3341 smbldap_talloc_autofree_ldapmod(mem_ctx, mods);
3342
3343 if (mods == NULL) {
3344 DEBUG(4, ("ldapsam_update_group_mapping_entry: mods is empty: "
3345 "nothing to do\n"));
3346 result = NT_STATUS_OK;
3347 goto done;
3348 }
3349
3350 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3351
3352 if (rc != LDAP_SUCCESS) {
3353 result = NT_STATUS_ACCESS_DENIED;
3354 goto done;
3355 }
3356
3357 DEBUG(2, ("ldapsam_update_group_mapping_entry: successfully modified "
3358 "group %lu in LDAP\n", (unsigned long)map->gid));
3359
3360 result = NT_STATUS_OK;
3361
3362 done:
3363 TALLOC_FREE(mem_ctx);
3364 return result;
3365 }
3366
3367 /**********************************************************************
3368 *********************************************************************/
3369
3370 static NTSTATUS ldapsam_delete_group_mapping_entry(struct pdb_methods *methods,
3371 struct dom_sid sid)
3372 {
3373 struct ldapsam_privates *priv =
3374 (struct ldapsam_privates *)methods->private_data;
3375 LDAPMessage *msg, *entry;
3376 int rc;
3377 NTSTATUS result;
3378 TALLOC_CTX *mem_ctx;
3379 char *filter;
3380 struct dom_sid_buf buf;
3381
3382 mem_ctx = talloc_new(NULL);
3383 if (mem_ctx == NULL) {
3384 DEBUG(0, ("talloc_new failed\n"));
3385 return NT_STATUS_NO_MEMORY;
3386 }
3387
3388 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)(%s=%s))",
3389 LDAP_OBJ_GROUPMAP, LDAP_ATTRIBUTE_SID,
3390 dom_sid_str_buf(&sid, &buf));
3391 if (filter == NULL) {
3392 result = NT_STATUS_NO_MEMORY;
3393 goto done;
3394 }
3395 rc = smbldap_search_suffix(priv->smbldap_state, filter,
3396 get_attr_list(mem_ctx, groupmap_attr_list),
3397 &msg);
3398 smbldap_talloc_autofree_ldapmsg(mem_ctx, msg);
3399
3400 if ((rc != LDAP_SUCCESS) ||
3401 (ldap_count_entries(priv2ld(priv), msg) != 1) ||
3402 ((entry = ldap_first_entry(priv2ld(priv), msg)) == NULL)) {
3403 result = NT_STATUS_NO_SUCH_GROUP;
3404 goto done;
3405 }
3406
3407 rc = ldapsam_delete_entry(priv, mem_ctx, entry, LDAP_OBJ_GROUPMAP,
3408 get_attr_list(mem_ctx,
3409 groupmap_attr_list_to_delete));
3410
3411 if ((rc == LDAP_NAMING_VIOLATION) ||
3412 (rc == LDAP_NOT_ALLOWED_ON_RDN) ||
3413 (rc == LDAP_OBJECT_CLASS_VIOLATION)) {
3414 const char *attrs[] = { "sambaGroupType", "description",
3415 "displayName", "sambaSIDList",
3416 NULL };
3417
3418 /* Second try. Don't delete the sambaSID attribute, this is
3419 for "old" entries that are tacked on a winbind
3420 sambaIdmapEntry. */
3421
3422 rc = ldapsam_delete_entry(priv, mem_ctx, entry,
3423 LDAP_OBJ_GROUPMAP, attrs);
3424 }
3425
3426 if ((rc == LDAP_NAMING_VIOLATION) ||
3427 (rc == LDAP_NOT_ALLOWED_ON_RDN) ||
3428 (rc == LDAP_OBJECT_CLASS_VIOLATION)) {
3429 const char *attrs[] = { "sambaGroupType", "description",
3430 "displayName", "sambaSIDList",
3431 "gidNumber", NULL };
3432
3433 /* Third try. This is a post-3.0.21 alias (containing only
3434 * sambaSidEntry and sambaGroupMapping classes), we also have
3435 * to delete the gidNumber attribute, only the sambaSidEntry
3436 * remains */
3437
3438 rc = ldapsam_delete_entry(priv, mem_ctx, entry,
3439 LDAP_OBJ_GROUPMAP, attrs);
3440 }
3441
3442 result = (rc == LDAP_SUCCESS) ? NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL;
3443
3444 done:
3445 TALLOC_FREE(mem_ctx);
3446 return result;
3447 }
3448
3449 /**********************************************************************
3450 *********************************************************************/
3451
3452 static NTSTATUS ldapsam_setsamgrent(struct pdb_methods *my_methods,
3453 bool update)
3454 {
3455 struct ldapsam_privates *ldap_state =
3456 (struct ldapsam_privates *)my_methods->private_data;
3457 char *filter = NULL;
3458 int rc;
3459 const char **attr_list;
3460
3461 filter = talloc_asprintf(NULL, "(objectclass=%s)", LDAP_OBJ_GROUPMAP);
3462 if (!filter) {
3463 return NT_STATUS_NO_MEMORY;
3464 }
3465 attr_list = get_attr_list( NULL, groupmap_attr_list );
3466 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_suffix(),
3467 LDAP_SCOPE_SUBTREE, filter,
3468 attr_list, 0, &ldap_state->result);
3469 TALLOC_FREE(attr_list);
3470
3471 if (rc != LDAP_SUCCESS) {
3472 DEBUG(0, ("ldapsam_setsamgrent: LDAP search failed: %s\n",
3473 ldap_err2string(rc)));
3474 DEBUG(3, ("ldapsam_setsamgrent: Query was: %s, %s\n",
3475 lp_ldap_suffix(), filter));
3476 ldap_msgfree(ldap_state->result);
3477 ldap_state->result = NULL;
3478 TALLOC_FREE(filter);
3479 return NT_STATUS_UNSUCCESSFUL;
3480 }
3481
3482 TALLOC_FREE(filter);
3483
3484 DEBUG(2, ("ldapsam_setsamgrent: %d entries in the base!\n",
3485 ldap_count_entries(
3486 smbldap_get_ldap(ldap_state->smbldap_state),
3487 ldap_state->result)));
3488
3489 ldap_state->entry =
3490 ldap_first_entry(smbldap_get_ldap(ldap_state->smbldap_state),
3491 ldap_state->result);
3492 ldap_state->index = 0;
3493
3494 return NT_STATUS_OK;
3495 }
3496
3497 /**********************************************************************
3498 *********************************************************************/
3499
3500 static void ldapsam_endsamgrent(struct pdb_methods *my_methods)
3501 {
3502 ldapsam_endsampwent(my_methods);
3503 }
3504
3505 /**********************************************************************
3506 *********************************************************************/
3507
3508 static NTSTATUS ldapsam_getsamgrent(struct pdb_methods *my_methods,
3509 GROUP_MAP *map)
3510 {
3511 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
3512 struct ldapsam_privates *ldap_state =
3513 (struct ldapsam_privates *)my_methods->private_data;
3514 bool bret = False;
3515
3516 while (!bret) {
3517 if (!ldap_state->entry)
3518 return ret;
3519
3520 ldap_state->index++;
3521 bret = init_group_from_ldap(ldap_state, map,
3522 ldap_state->entry);
3523
3524 ldap_state->entry = ldap_next_entry(
3525 smbldap_get_ldap(ldap_state->smbldap_state),
3526 ldap_state->entry);
3527 }
3528
3529 return NT_STATUS_OK;
3530 }
3531
3532 /**********************************************************************
3533 *********************************************************************/
3534
3535 static NTSTATUS ldapsam_enum_group_mapping(struct pdb_methods *methods,
3536 const struct dom_sid *domsid, enum lsa_SidType sid_name_use,
3537 GROUP_MAP ***pp_rmap,
3538 size_t *p_num_entries,
3539 bool unix_only)
3540 {
3541 GROUP_MAP *map = NULL;
3542 size_t entries = 0;
3543
3544 *p_num_entries = 0;
3545 *pp_rmap = NULL;
3546
3547 if (!NT_STATUS_IS_OK(ldapsam_setsamgrent(methods, False))) {
3548 DEBUG(0, ("ldapsam_enum_group_mapping: Unable to open "
3549 "passdb\n"));
3550 return NT_STATUS_ACCESS_DENIED;
3551 }
3552
3553 while (true) {
3554
3555 map = talloc_zero(NULL, GROUP_MAP);
3556 if (!map) {
3557 return NT_STATUS_NO_MEMORY;
3558 }
3559
3560 if (!NT_STATUS_IS_OK(ldapsam_getsamgrent(methods, map))) {
3561 TALLOC_FREE(map);
3562 break;
3563 }
3564
3565 if (sid_name_use != SID_NAME_UNKNOWN &&
3566 sid_name_use != map->sid_name_use) {
3567 DEBUG(11,("ldapsam_enum_group_mapping: group %s is "
3568 "not of the requested type\n",
3569 map->nt_name));
3570 continue;
3571 }
3572 if (unix_only == ENUM_ONLY_MAPPED && map->gid == -1) {
3573 DEBUG(11,("ldapsam_enum_group_mapping: group %s is "
3574 "non mapped\n", map->nt_name));
3575 continue;
3576 }
3577
3578 *pp_rmap = talloc_realloc(NULL, *pp_rmap,
3579 GROUP_MAP *, entries + 1);
3580 if (!(*pp_rmap)) {
3581 DEBUG(0,("ldapsam_enum_group_mapping: Unable to "
3582 "enlarge group map!\n"));
3583 return NT_STATUS_UNSUCCESSFUL;
3584 }
3585
3586 (*pp_rmap)[entries] = talloc_move((*pp_rmap), &map);
3587
3588 entries += 1;
3589 }
3590
3591 ldapsam_endsamgrent(methods);
3592
3593 *p_num_entries = entries;
3594
3595 return NT_STATUS_OK;
3596 }
3597
3598 static NTSTATUS ldapsam_modify_aliasmem(struct pdb_methods *methods,
3599 const struct dom_sid *alias,
3600 const struct dom_sid *member,
3601 int modop)
3602 {
3603 struct ldapsam_privates *ldap_state =
3604 (struct ldapsam_privates *)methods->private_data;
3605 char *dn = NULL;
3606 LDAPMessage *result = NULL;
3607 LDAPMessage *entry = NULL;
3608 int count;
3609 LDAPMod **mods = NULL;
3610 int rc;
3611 enum lsa_SidType type = SID_NAME_USE_NONE;
3612 struct dom_sid_buf tmp;
3613
3614 char *filter = NULL;
3615
3616 if (sid_check_is_in_builtin(alias)) {
3617 type = SID_NAME_ALIAS;
3618 }
3619
3620 if (sid_check_is_in_our_sam(alias)) {
3621 type = SID_NAME_ALIAS;
3622 }
3623
3624 if (type == SID_NAME_USE_NONE) {
3625 struct dom_sid_buf buf;
3626 DEBUG(5, ("SID %s is neither in builtin nor in our domain!\n",
3627 dom_sid_str_buf(alias, &buf)));
3628 return NT_STATUS_NO_SUCH_ALIAS;
3629 }
3630
3631 if (asprintf(&filter,
3632 "(&(objectClass=%s)(sambaSid=%s)(sambaGroupType=%d))",
3633 LDAP_OBJ_GROUPMAP,
3634 dom_sid_str_buf(alias, &tmp),
3635 type) < 0) {
3636 return NT_STATUS_NO_MEMORY;
3637 }
3638
3639 if (ldapsam_search_one_group(ldap_state, filter,
3640 &result) != LDAP_SUCCESS) {
3641 SAFE_FREE(filter);
3642 return NT_STATUS_NO_SUCH_ALIAS;
3643 }
3644
3645 count = ldap_count_entries(smbldap_get_ldap(ldap_state->smbldap_state),
3646 result);
3647
3648 if (count < 1) {
3649 DEBUG(4, ("ldapsam_modify_aliasmem: Did not find alias\n"));
3650 ldap_msgfree(result);
3651 SAFE_FREE(filter);
3652 return NT_STATUS_NO_SUCH_ALIAS;
3653 }
3654
3655 if (count > 1) {
3656 DEBUG(1, ("ldapsam_modify_aliasmem: Duplicate entries for "
3657 "filter %s: count=%d\n", filter, count));
3658 ldap_msgfree(result);
3659 SAFE_FREE(filter);
3660 return NT_STATUS_NO_SUCH_ALIAS;
3661 }
3662
3663 SAFE_FREE(filter);
3664
3665 entry = ldap_first_entry(smbldap_get_ldap(ldap_state->smbldap_state),
3666 result);
3667
3668 if (!entry) {
3669 ldap_msgfree(result);
3670 return NT_STATUS_UNSUCCESSFUL;
3671 }
3672
3673 dn = smbldap_talloc_dn(talloc_tos(),
3674 smbldap_get_ldap(ldap_state->smbldap_state),
3675 entry);
3676 if (!dn) {
3677 ldap_msgfree(result);
3678 return NT_STATUS_UNSUCCESSFUL;
3679 }
3680
3681 smbldap_set_mod(&mods, modop,
3682 get_attr_key2string(groupmap_attr_list,
3683 LDAP_ATTR_SID_LIST),
3684 dom_sid_str_buf(member, &tmp));
3685
3686 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3687
3688 ldap_mods_free(mods, True);
3689 ldap_msgfree(result);
3690 TALLOC_FREE(dn);
3691
3692 if (rc == LDAP_TYPE_OR_VALUE_EXISTS) {
3693 return NT_STATUS_MEMBER_IN_ALIAS;
3694 }
3695
3696 if (rc == LDAP_NO_SUCH_ATTRIBUTE) {
3697 return NT_STATUS_MEMBER_NOT_IN_ALIAS;
3698 }
3699
3700 if (rc != LDAP_SUCCESS) {
3701 return NT_STATUS_UNSUCCESSFUL;
3702 }
3703
3704 return NT_STATUS_OK;
3705 }
3706
3707 static NTSTATUS ldapsam_add_aliasmem(struct pdb_methods *methods,
3708 const struct dom_sid *alias,
3709 const struct dom_sid *member)
3710 {
3711 return ldapsam_modify_aliasmem(methods, alias, member, LDAP_MOD_ADD);
3712 }
3713
3714 static NTSTATUS ldapsam_del_aliasmem(struct pdb_methods *methods,
3715 const struct dom_sid *alias,
3716 const struct dom_sid *member)
3717 {
3718 return ldapsam_modify_aliasmem(methods, alias, member,
3719 LDAP_MOD_DELETE);
3720 }
3721
3722 static NTSTATUS ldapsam_enum_aliasmem(struct pdb_methods *methods,
3723 const struct dom_sid *alias,
3724 TALLOC_CTX *mem_ctx,
3725 struct dom_sid **pp_members,
3726 size_t *p_num_members)
3727 {
3728 struct ldapsam_privates *ldap_state =
3729 (struct ldapsam_privates *)methods->private_data;
3730 LDAPMessage *result = NULL;
3731 LDAPMessage *entry = NULL;
3732 int count;
3733 char **values = NULL;
3734 int i;
3735 char *filter = NULL;
3736 uint32_t num_members = 0;
3737 enum lsa_SidType type = SID_NAME_USE_NONE;
3738 struct dom_sid_buf tmp;
3739
3740 *pp_members = NULL;
3741 *p_num_members = 0;
3742
3743 if (sid_check_is_in_builtin(alias)) {
3744 type = SID_NAME_ALIAS;
3745 }
3746
3747 if (sid_check_is_in_our_sam(alias)) {
3748 type = SID_NAME_ALIAS;
3749 }
3750
3751 if (type == SID_NAME_USE_NONE) {
3752 DEBUG(5, ("SID %s is neither in builtin nor in our domain!\n",
3753 dom_sid_str_buf(alias, &tmp)));
3754 return NT_STATUS_NO_SUCH_ALIAS;
3755 }
3756
3757 if (asprintf(&filter,
3758 "(&(objectClass=%s)(sambaSid=%s)(sambaGroupType=%d))",
3759 LDAP_OBJ_GROUPMAP,
3760 dom_sid_str_buf(alias, &tmp),
3761 type) < 0) {
3762 return NT_STATUS_NO_MEMORY;
3763 }
3764
3765 if (ldapsam_search_one_group(ldap_state, filter,
3766 &result) != LDAP_SUCCESS) {
3767 SAFE_FREE(filter);
3768 return NT_STATUS_NO_SUCH_ALIAS;
3769 }
3770
3771 count = ldap_count_entries(smbldap_get_ldap(ldap_state->smbldap_state),
3772 result);
3773
3774 if (count < 1) {
3775 DEBUG(4, ("ldapsam_enum_aliasmem: Did not find alias\n"));
3776 ldap_msgfree(result);
3777 SAFE_FREE(filter);
3778 return NT_STATUS_NO_SUCH_ALIAS;
3779 }
3780
3781 if (count > 1) {
3782 DEBUG(1, ("ldapsam_enum_aliasmem: Duplicate entries for "
3783 "filter %s: count=%d\n", filter, count));
3784 ldap_msgfree(result);
3785 SAFE_FREE(filter);
3786 return NT_STATUS_NO_SUCH_ALIAS;
3787 }
3788
3789 SAFE_FREE(filter);
3790
3791 entry = ldap_first_entry(smbldap_get_ldap(ldap_state->smbldap_state),
3792 result);
3793
3794 if (!entry) {
3795 ldap_msgfree(result);
3796 return NT_STATUS_UNSUCCESSFUL;
3797 }
3798
3799 values = ldap_get_values(smbldap_get_ldap(ldap_state->smbldap_state),
3800 entry,
3801 get_attr_key2string(groupmap_attr_list,
3802 LDAP_ATTR_SID_LIST));
3803
3804 if (values == NULL) {
3805 ldap_msgfree(result);
3806 return NT_STATUS_OK;
3807 }
3808
3809 count = ldap_count_values(values);
3810
3811 for (i=0; i<count; i++) {
3812 struct dom_sid member;
3813 NTSTATUS status;
3814
3815 if (!string_to_sid(&member, values[i]))
3816 continue;
3817
3818 status = add_sid_to_array(mem_ctx, &member, pp_members,
3819 &num_members);
3820 if (!NT_STATUS_IS_OK(status)) {
3821 ldap_value_free(values);
3822 ldap_msgfree(result);
3823 return status;
3824 }
3825 }
3826
3827 *p_num_members = num_members;
3828 ldap_value_free(values);
3829 ldap_msgfree(result);
3830
3831 return NT_STATUS_OK;
3832 }
3833
3834 static NTSTATUS ldapsam_alias_memberships(struct pdb_methods *methods,
3835 TALLOC_CTX *mem_ctx,
3836 const struct dom_sid *domain_sid,
3837 const struct dom_sid *members,
3838 size_t num_members,
3839 uint32_t **pp_alias_rids,
3840 size_t *p_num_alias_rids)
3841 {
3842 struct ldapsam_privates *ldap_state =
3843 (struct ldapsam_privates *)methods->private_data;
3844 LDAP *ldap_struct;
3845
3846 const char *attrs[] = { LDAP_ATTRIBUTE_SID, NULL };
3847
3848 LDAPMessage *result = NULL;
3849 LDAPMessage *entry = NULL;
3850 int i;
3851 int rc;
3852 char *filter;
3853 enum lsa_SidType type = SID_NAME_USE_NONE;
3854 bool is_builtin = false;
3855 bool sid_added = false;
3856
3857 *pp_alias_rids = NULL;
3858 *p_num_alias_rids = 0;
3859
3860 if (sid_check_is_builtin(domain_sid)) {
3861 is_builtin = true;
3862 type = SID_NAME_ALIAS;
3863 }
3864
3865 if (sid_check_is_our_sam(domain_sid)) {
3866 type = SID_NAME_ALIAS;
3867 }
3868
3869 if (type == SID_NAME_USE_NONE) {
3870 struct dom_sid_buf buf;
3871 DEBUG(5, ("SID %s is neither builtin nor domain!\n",
3872 dom_sid_str_buf(domain_sid, &buf)));
3873 return NT_STATUS_UNSUCCESSFUL;
3874 }
3875
3876 if (num_members == 0) {
3877 return NT_STATUS_OK;
3878 }
3879
3880 filter = talloc_asprintf(mem_ctx,
3881 "(&(objectclass=%s)(sambaGroupType=%d)(|",
3882 LDAP_OBJ_GROUPMAP, type);
3883
3884 for (i=0; i<num_members; i++) {
3885 struct dom_sid_buf buf;
3886 filter = talloc_asprintf(mem_ctx, "%s(sambaSIDList=%s)",
3887 filter,
3888 dom_sid_str_buf(&members[i], &buf));
3889 }
3890
3891 filter = talloc_asprintf(mem_ctx, "%s))", filter);
3892
3893 if (filter == NULL) {
3894 return NT_STATUS_NO_MEMORY;
3895 }
3896
3897 if (is_builtin &&
3898 ldap_state->search_cache.filter &&
3899 strcmp(ldap_state->search_cache.filter, filter) == 0) {
3900 filter = talloc_move(filter, &ldap_state->search_cache.filter);
3901 result = ldap_state->search_cache.result;
3902 ldap_state->search_cache.result = NULL;
3903 } else {
3904 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_suffix(),
3905 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
3906 if (rc != LDAP_SUCCESS) {
3907 return NT_STATUS_UNSUCCESSFUL;
3908 }
3909 smbldap_talloc_autofree_ldapmsg(filter, result);
3910 }
3911
3912 ldap_struct = smbldap_get_ldap(ldap_state->smbldap_state);
3913
3914 for (entry = ldap_first_entry(ldap_struct, result);
3915 entry != NULL;
3916 entry = ldap_next_entry(ldap_struct, entry))
3917 {
3918 fstring sid_str;
3919 struct dom_sid sid;
3920 uint32_t rid;
3921
3922 if (!smbldap_get_single_attribute(ldap_struct, entry,
3923 LDAP_ATTRIBUTE_SID,
3924 sid_str,
3925 sizeof(sid_str)-1))
3926 continue;
3927
3928 if (!string_to_sid(&sid, sid_str))
3929 continue;
3930
3931 if (!sid_peek_check_rid(domain_sid, &sid, &rid))
3932 continue;
3933
3934 sid_added = true;
3935
3936 if (!add_rid_to_array_unique(mem_ctx, rid, pp_alias_rids,
3937 p_num_alias_rids)) {
3938 return NT_STATUS_NO_MEMORY;
3939 }
3940 }
3941
3942 if (!is_builtin && !sid_added) {
3943 TALLOC_FREE(ldap_state->search_cache.filter);
3944 /*
3945 * Note: result is a talloc child of filter because of the
3946 * smbldap_talloc_autofree_ldapmsg() usage
3947 */
3948 ldap_state->search_cache.filter = talloc_move(ldap_state, &filter);
3949 ldap_state->search_cache.result = result;
3950 }
3951
3952 return NT_STATUS_OK;
3953 }
3954
3955 static NTSTATUS ldapsam_set_account_policy_in_ldap(struct pdb_methods *methods,
3956 enum pdb_policy_type type,
3957 uint32_t value)
3958 {
3959 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3960 int rc;
3961 LDAPMod **mods = NULL;
3962 fstring value_string;
3963 const char *policy_attr = NULL;
3964
3965 struct ldapsam_privates *ldap_state =
3966 (struct ldapsam_privates *)methods->private_data;
3967
3968 DEBUG(10,("ldapsam_set_account_policy_in_ldap\n"));
3969
3970 if (!ldap_state->domain_dn) {
3971 return NT_STATUS_INVALID_PARAMETER;
3972 }
3973
3974 policy_attr = get_account_policy_attr(type);
3975 if (policy_attr == NULL) {
3976 DEBUG(0,("ldapsam_set_account_policy_in_ldap: invalid "
3977 "policy\n"));
3978 return ntstatus;
3979 }
3980
3981 slprintf(value_string, sizeof(value_string) - 1, "%i", value);
3982
3983 smbldap_set_mod(&mods, LDAP_MOD_REPLACE, policy_attr, value_string);
3984
3985 rc = smbldap_modify(ldap_state->smbldap_state, ldap_state->domain_dn,
3986 mods);
3987
3988 ldap_mods_free(mods, True);
3989
3990 if (rc != LDAP_SUCCESS) {
3991 return ntstatus;
3992 }
3993
3994 if (!cache_account_policy_set(type, value)) {
3995 DEBUG(0,("ldapsam_set_account_policy_in_ldap: failed to "
3996 "update local tdb cache\n"));
3997 return ntstatus;
3998 }
3999
4000 return NT_STATUS_OK;
4001 }
4002
4003 static NTSTATUS ldapsam_set_account_policy(struct pdb_methods *methods,
4004 enum pdb_policy_type type,
4005 uint32_t value)
4006 {
4007 return ldapsam_set_account_policy_in_ldap(methods, type,
4008 value);
4009 }
4010
4011 static NTSTATUS ldapsam_get_account_policy_from_ldap(struct pdb_methods *methods,
4012 enum pdb_policy_type type,
4013 uint32_t *value)
4014 {
4015 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
4016 LDAPMessage *result = NULL;
4017 LDAPMessage *entry = NULL;
4018 int count;
4019 int rc;
4020 char **vals = NULL;
4021 char *filter;
4022 const char *policy_attr = NULL;
4023
4024 struct ldapsam_privates *ldap_state =
4025 (struct ldapsam_privates *)methods->private_data;
4026
4027 const char *attrs[2];
4028
4029 DEBUG(10,("ldapsam_get_account_policy_from_ldap\n"));
4030
4031 if (!ldap_state->domain_dn) {
4032 return NT_STATUS_INVALID_PARAMETER;
4033 }
4034
4035 policy_attr = get_account_policy_attr(type);
4036 if (!policy_attr) {
4037 DEBUG(0,("ldapsam_get_account_policy_from_ldap: invalid "
4038 "policy index: %d\n", type));
4039 return ntstatus;
4040 }
4041
4042 attrs[0] = policy_attr;
4043 attrs[1] = NULL;
4044
4045 filter = talloc_asprintf(talloc_tos(), "(objectClass=%s)", LDAP_OBJ_DOMINFO);
4046 if (filter == NULL) {
4047 return NT_STATUS_NO_MEMORY;
4048 }
4049 rc = smbldap_search(ldap_state->smbldap_state, ldap_state->domain_dn,
4050 LDAP_SCOPE_BASE, filter, attrs, 0,
4051 &result);
4052 TALLOC_FREE(filter);
4053 if (rc != LDAP_SUCCESS) {
4054 return ntstatus;
4055 }
4056
4057 count = ldap_count_entries(priv2ld(ldap_state), result);
4058 if (count < 1) {
4059 goto out;
4060 }
4061
4062 entry = ldap_first_entry(priv2ld(ldap_state), result);
4063 if (entry == NULL) {
4064 goto out;
4065 }
4066
4067 vals = ldap_get_values(priv2ld(ldap_state), entry, policy_attr);
4068 if (vals == NULL) {
4069 goto out;
4070 }
4071
4072 *value = (uint32_t)atol(vals[0]);
4073
4074 ntstatus = NT_STATUS_OK;
4075
4076 out:
4077 if (vals)
4078 ldap_value_free(vals);
4079 ldap_msgfree(result);
4080
4081 return ntstatus;
4082 }
4083
4084 /* wrapper around ldapsam_get_account_policy_from_ldap(), handles tdb as cache
4085
4086 - if user hasn't decided to use account policies inside LDAP just reuse the
4087 old tdb values
4088
4089 - if there is a valid cache entry, return that
4090 - if there is an LDAP entry, update cache and return
4091 - otherwise set to default, update cache and return
4092
4093 Guenther
4094 */
4095 static NTSTATUS ldapsam_get_account_policy(struct pdb_methods *methods,
4096 enum pdb_policy_type type,
4097 uint32_t *value)
4098 {
4099 NTSTATUS ntstatus;
4100
4101 if (cache_account_policy_get(type, value)) {
4102 DEBUG(11,("ldapsam_get_account_policy: got valid value from "
4103 "cache\n"));
4104 return NT_STATUS_OK;
4105 }
4106
4107 ntstatus = ldapsam_get_account_policy_from_ldap(methods, type,
4108 value);
4109 if (NT_STATUS_IS_OK(ntstatus)) {
4110 goto update_cache;
4111 }
4112
4113 DEBUG(10,("ldapsam_get_account_policy: failed to retrieve from "
4114 "ldap\n"));
4115
4116 #if 0
4117 /* should we automagically migrate old tdb value here ? */
4118 if (account_policy_get(type, value))
4119 goto update_ldap;
4120
4121 DEBUG(10,("ldapsam_get_account_policy: no tdb for %d, trying "
4122 "default\n", type));
4123 #endif
4124
4125 if (!account_policy_get_default(type, value)) {
4126 return ntstatus;
4127 }
4128
4129 /* update_ldap: */
4130
4131 ntstatus = ldapsam_set_account_policy(methods, type, *value);
4132 if (!NT_STATUS_IS_OK(ntstatus)) {
4133 return ntstatus;
4134 }
4135
4136 update_cache:
4137
4138 if (!cache_account_policy_set(type, *value)) {
4139 DEBUG(0,("ldapsam_get_account_policy: failed to update local "
4140 "tdb as a cache\n"));
4141 return NT_STATUS_UNSUCCESSFUL;
4142 }
4143
4144 return NT_STATUS_OK;
4145 }
4146
4147 static NTSTATUS ldapsam_lookup_rids(struct pdb_methods *methods,
4148 const struct dom_sid *domain_sid,
4149 int num_rids,
4150 uint32_t *rids,
4151 const char **names,
4152 enum lsa_SidType *attrs)
4153 {
4154 struct ldapsam_privates *ldap_state =
4155 (struct ldapsam_privates *)methods->private_data;
4156 LDAPMessage *msg = NULL;
4157 LDAPMessage *entry;
4158 char *allsids = NULL;
4159 size_t i, num_mapped;
4160 int rc;
4161 NTSTATUS result = NT_STATUS_NO_MEMORY;
4162 TALLOC_CTX *mem_ctx;
4163 LDAP *ld;
4164 bool is_builtin;
4165
4166 mem_ctx = talloc_new(NULL);
4167 if (mem_ctx == NULL) {
4168 DEBUG(0, ("talloc_new failed\n"));
4169 goto done;
4170 }
4171
4172 if (!sid_check_is_builtin(domain_sid) &&
4173 !sid_check_is_our_sam(domain_sid)) {
4174 result = NT_STATUS_INVALID_PARAMETER;
4175 goto done;
4176 }
4177
4178 if (num_rids == 0) {
4179 result = NT_STATUS_NONE_MAPPED;
4180 goto done;
4181 }
4182
4183 for (i=0; i<num_rids; i++)
4184 attrs[i] = SID_NAME_UNKNOWN;
4185
4186 allsids = talloc_strdup(mem_ctx, "");
4187 if (allsids == NULL) {
4188 goto done;
4189 }
4190
4191 for (i=0; i<num_rids; i++) {
4192 struct dom_sid sid;
4193 struct dom_sid_buf buf;
4194 sid_compose(&sid, domain_sid, rids[i]);
4195 allsids = talloc_asprintf_append_buffer(
4196 allsids,
4197 "(sambaSid=%s)",
4198 dom_sid_str_buf(&sid, &buf));
4199 if (allsids == NULL) {
4200 goto done;
4201 }
4202 }
4203
4204 /* First look for users */
4205
4206 {
4207 char *filter;
4208 const char *ldap_attrs[] = { "uid", "sambaSid", NULL };
4209
4210 filter = talloc_asprintf(
4211 mem_ctx, ("(&(objectClass=%s)(|%s))"),
4212 LDAP_OBJ_SAMBASAMACCOUNT, allsids);
4213
4214 if (filter == NULL) {
4215 goto done;
4216 }
4217
4218 rc = smbldap_search(ldap_state->smbldap_state,
4219 lp_ldap_user_suffix(talloc_tos()),
4220 LDAP_SCOPE_SUBTREE, filter, ldap_attrs, 0,
4221 &msg);
4222 smbldap_talloc_autofree_ldapmsg(mem_ctx, msg);
4223 }
4224
4225 if (rc != LDAP_SUCCESS)
4226 goto done;
4227
4228 ld = smbldap_get_ldap(ldap_state->smbldap_state);
4229 num_mapped = 0;
4230
4231 for (entry = ldap_first_entry(ld, msg);
4232 entry != NULL;
4233 entry = ldap_next_entry(ld, entry)) {
4234 uint32_t rid;
4235 int rid_index;
4236 const char *name;
4237
4238 if (!ldapsam_extract_rid_from_entry(ld, entry, domain_sid,
4239 &rid)) {
4240 DEBUG(2, ("Could not find sid from ldap entry\n"));
4241 continue;
4242 }
4243
4244 name = smbldap_talloc_single_attribute(ld, entry, "uid",
4245 names);
4246 if (name == NULL) {
4247 DEBUG(2, ("Could not retrieve uid attribute\n"));
4248 continue;
4249 }
4250
4251 for (rid_index = 0; rid_index < num_rids; rid_index++) {
4252 if (rid == rids[rid_index])
4253 break;
4254 }
4255
4256 if (rid_index == num_rids) {
4257 DEBUG(2, ("Got a RID not asked for: %d\n", rid));
4258 continue;
4259 }
4260
4261 attrs[rid_index] = SID_NAME_USER;
4262 names[rid_index] = name;
4263 num_mapped += 1;
4264 }
4265
4266 if (num_mapped == num_rids) {
4267 /* No need to look for groups anymore -- we're done */
4268 result = NT_STATUS_OK;
4269 goto done;
4270 }
4271
4272 /* Same game for groups */
4273
4274 {
4275 char *filter;
4276 const char *ldap_attrs[] = { "cn", "displayName", "sambaSid",
4277 "sambaGroupType", NULL };
4278
4279 filter = talloc_asprintf(
4280 mem_ctx, "(&(objectClass=%s)(|%s))",
4281 LDAP_OBJ_GROUPMAP, allsids);
4282 if (filter == NULL) {
4283 goto done;
4284 }
4285
4286 rc = smbldap_search(ldap_state->smbldap_state,
4287 lp_ldap_suffix(),
4288 LDAP_SCOPE_SUBTREE, filter, ldap_attrs, 0,
4289 &msg);
4290 smbldap_talloc_autofree_ldapmsg(mem_ctx, msg);
4291 }
4292
4293 if (rc != LDAP_SUCCESS)
4294 goto done;
4295
4296 /* ldap_struct might have changed due to a reconnect */
4297
4298 ld = smbldap_get_ldap(ldap_state->smbldap_state);
4299
4300 /* For consistency checks, we already checked we're only domain or builtin */
4301
4302 is_builtin = sid_check_is_builtin(domain_sid);
4303
4304 for (entry = ldap_first_entry(ld, msg);
4305 entry != NULL;
4306 entry = ldap_next_entry(ld, entry))
4307 {
4308 uint32_t rid;
4309 int rid_index;
4310 const char *attr;
4311 enum lsa_SidType type;
4312 const char *dn = smbldap_talloc_dn(mem_ctx, ld, entry);
4313
4314 attr = smbldap_talloc_single_attribute(ld, entry, "sambaGroupType",
4315 mem_ctx);
4316 if (attr == NULL) {
4317 DEBUG(2, ("Could not extract type from ldap entry %s\n",
4318 dn));
4319 continue;
4320 }
4321
4322 type = (enum lsa_SidType)atol(attr);
4323
4324 /* Consistency checks */
4325 if ((is_builtin && (type != SID_NAME_ALIAS)) ||
4326 (!is_builtin && ((type != SID_NAME_ALIAS) &&
4327 (type != SID_NAME_DOM_GRP)))) {
4328 DEBUG(2, ("Rejecting invalid group mapping entry %s\n", dn));
4329 }
4330
4331 if (!ldapsam_extract_rid_from_entry(ld, entry, domain_sid,
4332 &rid)) {
4333 DEBUG(2, ("Could not find sid from ldap entry %s\n", dn));
4334 continue;
4335 }
4336
4337 attr = smbldap_talloc_single_attribute(ld, entry, "displayName", names);
4338
4339 if (attr == NULL) {
4340 DEBUG(10, ("Could not retrieve 'displayName' attribute from %s\n",
4341 dn));
4342 attr = smbldap_talloc_single_attribute(ld, entry, "cn", names);
4343 }
4344
4345 if (attr == NULL) {
4346 DEBUG(2, ("Could not retrieve naming attribute from %s\n",
4347 dn));
4348 continue;
4349 }
4350
4351 for (rid_index = 0; rid_index < num_rids; rid_index++) {
4352 if (rid == rids[rid_index])
4353 break;
4354 }
4355
4356 if (rid_index == num_rids) {
4357 DEBUG(2, ("Got a RID not asked for: %d\n", rid));
4358 continue;
4359 }
4360
4361 attrs[rid_index] = type;
4362 names[rid_index] = attr;
4363 num_mapped += 1;
4364 }
4365
4366 result = NT_STATUS_NONE_MAPPED;
4367
4368 if (num_mapped > 0)
4369 result = (num_mapped == num_rids) ?
4370 NT_STATUS_OK : STATUS_SOME_UNMAPPED;
4371 done:
4372 TALLOC_FREE(mem_ctx);
4373 return result;
4374 }
4375
4376 static char *get_ldap_filter(TALLOC_CTX *mem_ctx, const char *username)
4377 {
4378 char *filter = NULL;
4379 char *escaped = NULL;
4380 char *result = NULL;
4381
4382 if (asprintf(&filter, "(&%s(objectclass=%s))",
4383 "(uid=%u)", LDAP_OBJ_SAMBASAMACCOUNT) < 0) {
4384 goto done;
4385 }
4386
4387 escaped = escape_ldap_string(talloc_tos(), username);
4388 if (escaped == NULL) goto done;
4389
4390 result = talloc_string_sub(mem_ctx, filter, "%u", username);
4391
4392 done:
4393 SAFE_FREE(filter);
4394 TALLOC_FREE(escaped);
4395
4396 return result;
4397 }
4398
4399 static const char **talloc_attrs(TALLOC_CTX *mem_ctx, ...)
4400 {
4401 int i, num = 0;
4402 va_list ap;
4403 const char **result;
4404
4405 va_start(ap, mem_ctx);
4406 while (va_arg(ap, const char *) != NULL)
4407 num += 1;
4408 va_end(ap);
4409
4410 if ((result = talloc_array(mem_ctx, const char *, num+1)) == NULL) {
4411 return NULL;
4412 }
4413
4414 va_start(ap, mem_ctx);
4415 for (i=0; i<num; i++) {
4416 result[i] = talloc_strdup(result, va_arg(ap, const char*));
4417 if (result[i] == NULL) {
4418 talloc_free(result);
4419 va_end(ap);
4420 return NULL;
4421 }
4422 }
4423 va_end(ap);
4424
4425 result[num] = NULL;
4426 return result;
4427 }
4428
4429 struct ldap_search_state {
4430 struct smbldap_state *connection;
4431
4432 uint32_t acct_flags;
4433 uint16_t group_type;
4434
4435 const char *base;
4436 int scope;
4437 const char *filter;
4438 const char **attrs;
4439 int attrsonly;
4440 void *pagedresults_cookie;
4441
4442 LDAPMessage *entries, *current_entry;
4443 bool (*ldap2displayentry)(struct ldap_search_state *state,
4444 TALLOC_CTX *mem_ctx,
4445 LDAP *ld, LDAPMessage *entry,
4446 struct samr_displayentry *result);
4447 };
4448
4449 static bool ldapsam_search_firstpage(struct pdb_search *search)
4450 {
4451 struct ldap_search_state *state =
4452 (struct ldap_search_state *)search->private_data;
4453 LDAP *ld;
4454 int rc = LDAP_OPERATIONS_ERROR;
4455
4456 state->entries = NULL;
4457
4458 if (smbldap_get_paged_results(state->connection)) {
4459 rc = smbldap_search_paged(state->connection, state->base,
4460 state->scope, state->filter,
4461 state->attrs, state->attrsonly,
4462 lp_ldap_page_size(), &state->entries,
4463 &state->pagedresults_cookie);
4464 }
4465
4466 if ((rc != LDAP_SUCCESS) || (state->entries == NULL)) {
4467
4468 if (state->entries != NULL) {
4469 /* Left over from unsuccessful paged attempt */
4470 ldap_msgfree(state->entries);
4471 state->entries = NULL;
4472 }
4473
4474 rc = smbldap_search(state->connection, state->base,
4475 state->scope, state->filter, state->attrs,
4476 state->attrsonly, &state->entries);
4477
4478 if ((rc != LDAP_SUCCESS) || (state->entries == NULL))
4479 return False;
4480
4481 /* Ok, the server was lying. It told us it could do paged
4482 * searches when it could not. */
4483 smbldap_set_paged_results(state->connection, false);
4484 }
4485
4486 ld = smbldap_get_ldap(state->connection);
4487 if ( ld == NULL) {
4488 DEBUG(5, ("Don't have an LDAP connection right after a "
4489 "search\n"));
4490 return False;
4491 }
4492 state->current_entry = ldap_first_entry(ld, state->entries);
4493
4494 return True;
4495 }
4496
4497 static bool ldapsam_search_nextpage(struct pdb_search *search)
4498 {
4499 struct ldap_search_state *state =
4500 (struct ldap_search_state *)search->private_data;
4501 int rc;
4502
4503 if (!smbldap_get_paged_results(state->connection)) {
4504 /* There is no next page when there are no paged results */
4505 return False;
4506 }
4507
4508 rc = smbldap_search_paged(state->connection, state->base,
4509 state->scope, state->filter, state->attrs,
4510 state->attrsonly, lp_ldap_page_size(),
4511 &state->entries,
4512 &state->pagedresults_cookie);
4513
4514 if ((rc != LDAP_SUCCESS) || (state->entries == NULL))
4515 return False;
4516
4517 state->current_entry = ldap_first_entry(
4518 smbldap_get_ldap(state->connection), state->entries);
4519
4520 if (state->current_entry == NULL) {
4521 ldap_msgfree(state->entries);
4522 state->entries = NULL;
4523 return false;
4524 }
4525
4526 return True;
4527 }
4528
4529 static bool ldapsam_search_next_entry(struct pdb_search *search,
4530 struct samr_displayentry *entry)
4531 {
4532 struct ldap_search_state *state =
4533 (struct ldap_search_state *)search->private_data;
4534 bool result;
4535
4536 retry:
4537 if ((state->entries == NULL) && (state->pagedresults_cookie == NULL))
4538 return False;
4539
4540 if ((state->entries == NULL) &&
4541 !ldapsam_search_nextpage(search))
4542 return False;
4543
4544 if (state->current_entry == NULL) {
4545 return false;
4546 }
4547
4548 result = state->ldap2displayentry(state, search,
4549 smbldap_get_ldap(state->connection),
4550 state->current_entry, entry);
4551
4552 if (!result) {
4553 char *dn;
4554 dn = ldap_get_dn(smbldap_get_ldap(state->connection),
4555 state->current_entry);
4556 DEBUG(5, ("Skipping entry %s\n", dn != NULL ? dn : "<NULL>"));
4557 if (dn != NULL) ldap_memfree(dn);
4558 }
4559
4560 state->current_entry = ldap_next_entry(
4561 smbldap_get_ldap(state->connection), state->current_entry);
4562
4563 if (state->current_entry == NULL) {
4564 ldap_msgfree(state->entries);
4565 state->entries = NULL;
4566 }
4567
4568 if (!result) goto retry;
4569
4570 return True;
4571 }
4572
4573 static void ldapsam_search_end(struct pdb_search *search)
4574 {
4575 struct ldap_search_state *state =
4576 (struct ldap_search_state *)search->private_data;
4577 int rc;
4578
4579 if (state->pagedresults_cookie == NULL)
4580 return;
4581
4582 if (state->entries != NULL)
4583 ldap_msgfree(state->entries);
4584
4585 state->entries = NULL;
4586 state->current_entry = NULL;
4587
4588 if (!smbldap_get_paged_results(state->connection)) {
4589 return;
4590 }
4591
4592 /* Tell the LDAP server we're not interested in the rest anymore. */
4593
4594 rc = smbldap_search_paged(state->connection, state->base, state->scope,
4595 state->filter, state->attrs,
4596 state->attrsonly, 0, &state->entries,
4597 &state->pagedresults_cookie);
4598
4599 if (rc != LDAP_SUCCESS)
4600 DEBUG(5, ("Could not end search properly\n"));
4601
4602 return;
4603 }
4604
4605 static bool ldapuser2displayentry(struct ldap_search_state *state,
4606 TALLOC_CTX *mem_ctx,
4607 LDAP *ld, LDAPMessage *entry,
4608 struct samr_displayentry *result)
4609 {
4610 char **vals;
4611 size_t converted_size;
4612 struct dom_sid sid;
4613 uint32_t acct_flags;
4614
4615 vals = ldap_get_values(ld, entry, "sambaAcctFlags");
4616 if ((vals == NULL) || (vals[0] == NULL)) {
4617 acct_flags = ACB_NORMAL;
4618 } else {
4619 acct_flags = pdb_decode_acct_ctrl(vals[0]);
4620 ldap_value_free(vals);
4621 }
4622
4623 if ((state->acct_flags != 0) &&
4624 ((state->acct_flags & acct_flags) == 0))
4625 return False;
4626
4627 result->acct_flags = acct_flags;
4628 result->account_name = "";
4629 result->fullname = "";
4630 result->description = "";
4631
4632 vals = ldap_get_values(ld, entry, "uid");
4633 if ((vals == NULL) || (vals[0] == NULL)) {
4634 DEBUG(5, ("\"uid\" not found\n"));
4635 return False;
4636 }
4637 if (!pull_utf8_talloc(mem_ctx,
4638 discard_const_p(char *, &result->account_name),
4639 vals[0], &converted_size))
4640 {
4641 DEBUG(0,("ldapuser2displayentry: pull_utf8_talloc failed: %s",
4642 strerror(errno)));
4643 }
4644
4645 ldap_value_free(vals);
4646
4647 vals = ldap_get_values(ld, entry, "displayName");
4648 if ((vals == NULL) || (vals[0] == NULL))
4649 DEBUG(8, ("\"displayName\" not found\n"));
4650 else if (!pull_utf8_talloc(mem_ctx,
4651 discard_const_p(char *, &result->fullname),
4652 vals[0], &converted_size))
4653 {
4654 DEBUG(0,("ldapuser2displayentry: pull_utf8_talloc failed: %s",
4655 strerror(errno)));
4656 }
4657
4658 ldap_value_free(vals);
4659
4660 vals = ldap_get_values(ld, entry, "description");
4661 if ((vals == NULL) || (vals[0] == NULL))
4662 DEBUG(8, ("\"description\" not found\n"));
4663 else if (!pull_utf8_talloc(mem_ctx,
4664 discard_const_p(char *, &result->description),
4665 vals[0], &converted_size))
4666 {
4667 DEBUG(0,("ldapuser2displayentry: pull_utf8_talloc failed: %s",
4668 strerror(errno)));
4669 }
4670
4671 ldap_value_free(vals);
4672
4673 if ((result->account_name == NULL) ||
4674 (result->fullname == NULL) ||
4675 (result->description == NULL)) {
4676 DEBUG(0, ("talloc failed\n"));
4677 return False;
4678 }
4679
4680 vals = ldap_get_values(ld, entry, "sambaSid");
4681 if ((vals == NULL) || (vals[0] == NULL)) {
4682 DEBUG(0, ("\"objectSid\" not found\n"));
4683 return False;
4684 }
4685
4686 if (!string_to_sid(&sid, vals[0])) {
4687 DEBUG(0, ("Could not convert %s to SID\n", vals[0]));
4688 ldap_value_free(vals);
4689 return False;
4690 }
4691 ldap_value_free(vals);
4692
4693 if (!sid_peek_check_rid(get_global_sam_sid(), &sid, &result->rid)) {
4694 struct dom_sid_buf buf;
4695 DEBUG(0, ("sid %s does not belong to our domain\n",
4696 dom_sid_str_buf(&sid, &buf)));
4697 return False;
4698 }
4699
4700 return True;
4701 }
4702
4703
4704 static bool ldapsam_search_users(struct pdb_methods *methods,
4705 struct pdb_search *search,
4706 uint32_t acct_flags)
4707 {
4708 struct ldapsam_privates *ldap_state =
4709 (struct ldapsam_privates *)methods->private_data;
4710 struct ldap_search_state *state;
4711
4712 state = talloc(search, struct ldap_search_state);
4713 if (state == NULL) {
4714 DEBUG(0, ("talloc failed\n"));
4715 return False;
4716 }
4717
4718 state->connection = ldap_state->smbldap_state;
4719
4720 if ((acct_flags != 0) && ((acct_flags & ACB_NORMAL) != 0))
4721 state->base = lp_ldap_user_suffix(talloc_tos());
4722 else if ((acct_flags != 0) &&
4723 ((acct_flags & (ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)) != 0))
4724 state->base = lp_ldap_machine_suffix(talloc_tos());
4725 else
4726 state->base = lp_ldap_suffix();
4727
4728 state->acct_flags = acct_flags;
4729 state->base = talloc_strdup(search, state->base);
4730 state->scope = LDAP_SCOPE_SUBTREE;
4731 state->filter = get_ldap_filter(search, "*");
4732 state->attrs = talloc_attrs(search, "uid", "sambaSid",
4733 "displayName", "description",
4734 "sambaAcctFlags", NULL);
4735 state->attrsonly = 0;
4736 state->pagedresults_cookie = NULL;
4737 state->entries = NULL;
4738 state->ldap2displayentry = ldapuser2displayentry;
4739
4740 if ((state->filter == NULL) || (state->attrs == NULL)) {
4741 DEBUG(0, ("talloc failed\n"));
4742 return False;
4743 }
4744
4745 search->private_data = state;
4746 search->next_entry = ldapsam_search_next_entry;
4747 search->search_end = ldapsam_search_end;
4748
4749 return ldapsam_search_firstpage(search);
4750 }
4751
4752 static bool ldapgroup2displayentry(struct ldap_search_state *state,
4753 TALLOC_CTX *mem_ctx,
4754 LDAP *ld, LDAPMessage *entry,
4755 struct samr_displayentry *result)
4756 {
4757 char **vals;
4758 size_t converted_size;
4759 struct dom_sid sid;
4760 uint16_t group_type;
4761
4762 result->account_name = "";
4763 result->fullname = "";
4764 result->description = "";
4765
4766
4767 vals = ldap_get_values(ld, entry, "sambaGroupType");
4768 if ((vals == NULL) || (vals[0] == NULL)) {
4769 DEBUG(5, ("\"sambaGroupType\" not found\n"));
4770 if (vals != NULL) {
4771 ldap_value_free(vals);
4772 }
4773 return False;
4774 }
4775
4776 group_type = atoi(vals[0]);
4777
4778 if ((state->group_type != 0) &&
4779 ((state->group_type != group_type))) {
4780 ldap_value_free(vals);
4781 return False;
4782 }
4783
4784 ldap_value_free(vals);
4785
4786 /* display name is the NT group name */
4787
4788 vals = ldap_get_values(ld, entry, "displayName");
4789 if ((vals == NULL) || (vals[0] == NULL)) {
4790 DEBUG(8, ("\"displayName\" not found\n"));
4791
4792 /* fallback to the 'cn' attribute */
4793 vals = ldap_get_values(ld, entry, "cn");
4794 if ((vals == NULL) || (vals[0] == NULL)) {
4795 DEBUG(5, ("\"cn\" not found\n"));
4796 return False;
4797 }
4798 if (!pull_utf8_talloc(mem_ctx,
4799 discard_const_p(char *,
4800 &result->account_name),
4801 vals[0], &converted_size))
4802 {
4803 DEBUG(0,("ldapgroup2displayentry: pull_utf8_talloc "
4804 "failed: %s", strerror(errno)));
4805 }
4806 }
4807 else if (!pull_utf8_talloc(mem_ctx,
4808 discard_const_p(char *,
4809 &result->account_name),
4810 vals[0], &converted_size))
4811 {
4812 DEBUG(0,("ldapgroup2displayentry: pull_utf8_talloc failed: %s",
4813 strerror(errno)));
4814 }
4815
4816 ldap_value_free(vals);
4817
4818 vals = ldap_get_values(ld, entry, "description");
4819 if ((vals == NULL) || (vals[0] == NULL))
4820 DEBUG(8, ("\"description\" not found\n"));
4821 else if (!pull_utf8_talloc(mem_ctx,
4822 discard_const_p(char *, &result->description),
4823 vals[0], &converted_size))
4824 {
4825 DEBUG(0,("ldapgroup2displayentry: pull_utf8_talloc failed: %s",
4826 strerror(errno)));
4827 }
4828 ldap_value_free(vals);
4829
4830 if ((result->account_name == NULL) ||
4831 (result->fullname == NULL) ||
4832 (result->description == NULL)) {
4833 DEBUG(0, ("talloc failed\n"));
4834 return False;
4835 }
4836
4837 vals = ldap_get_values(ld, entry, "sambaSid");
4838 if ((vals == NULL) || (vals[0] == NULL)) {
4839 DEBUG(0, ("\"objectSid\" not found\n"));
4840 if (vals != NULL) {
4841 ldap_value_free(vals);
4842 }
4843 return False;
4844 }
4845
4846 if (!string_to_sid(&sid, vals[0])) {
4847 DEBUG(0, ("Could not convert %s to SID\n", vals[0]));
4848 return False;
4849 }
4850
4851 ldap_value_free(vals);
4852
4853 switch (group_type) {
4854 case SID_NAME_DOM_GRP:
4855 case SID_NAME_ALIAS:
4856
4857 if (!sid_peek_check_rid(get_global_sam_sid(), &sid, &result->rid)
4858 && !sid_peek_check_rid(&global_sid_Builtin, &sid, &result->rid))
4859 {
4860 struct dom_sid_buf buf;
4861 DEBUG(0, ("%s is not in our domain\n",
4862 dom_sid_str_buf(&sid, &buf)));
4863 return False;
4864 }
4865 break;
4866
4867 default:
4868 DEBUG(0,("unknown group type: %d\n", group_type));
4869 return False;
4870 }
4871
4872 result->acct_flags = 0;
4873
4874 return True;
4875 }
4876
4877 static bool ldapsam_search_grouptype(struct pdb_methods *methods,
4878 struct pdb_search *search,
4879 const struct dom_sid *sid,
4880 enum lsa_SidType type)
4881 {
4882 struct ldapsam_privates *ldap_state =
4883 (struct ldapsam_privates *)methods->private_data;
4884 struct ldap_search_state *state;
4885 struct dom_sid_buf tmp;
4886
4887 state = talloc(search, struct ldap_search_state);
4888 if (state == NULL) {
4889 DEBUG(0, ("talloc failed\n"));
4890 return False;
4891 }
4892
4893 state->connection = ldap_state->smbldap_state;
4894
4895 state->base = lp_ldap_suffix();
4896 state->connection = ldap_state->smbldap_state;
4897 state->scope = LDAP_SCOPE_SUBTREE;
4898 state->filter = talloc_asprintf(search, "(&(objectclass=%s)"
4899 "(sambaGroupType=%d)(sambaSID=%s*))",
4900 LDAP_OBJ_GROUPMAP,
4901 type,
4902 dom_sid_str_buf(sid, &tmp));
4903 state->attrs = talloc_attrs(search, "cn", "sambaSid",
4904 "displayName", "description",
4905 "sambaGroupType", NULL);
4906 state->attrsonly = 0;
4907 state->pagedresults_cookie = NULL;
4908 state->entries = NULL;
4909 state->group_type = type;
4910 state->ldap2displayentry = ldapgroup2displayentry;
4911
4912 if ((state->filter == NULL) || (state->attrs == NULL)) {
4913 DEBUG(0, ("talloc failed\n"));
4914 return False;
4915 }
4916
4917 search->private_data = state;
4918 search->next_entry = ldapsam_search_next_entry;
4919 search->search_end = ldapsam_search_end;
4920
4921 return ldapsam_search_firstpage(search);
4922 }
4923
4924 static bool ldapsam_search_groups(struct pdb_methods *methods,
4925 struct pdb_search *search)
4926 {
4927 return ldapsam_search_grouptype(methods, search, get_global_sam_sid(), SID_NAME_DOM_GRP);
4928 }
4929
4930 static bool ldapsam_search_aliases(struct pdb_methods *methods,
4931 struct pdb_search *search,
4932 const struct dom_sid *sid)
4933 {
4934 return ldapsam_search_grouptype(methods, search, sid, SID_NAME_ALIAS);
4935 }
4936
4937 static uint32_t ldapsam_capabilities(struct pdb_methods *methods)
4938 {
4939 return PDB_CAP_STORE_RIDS;
4940 }
4941
4942 static NTSTATUS ldapsam_get_new_rid(struct ldapsam_privates *priv,
4943 uint32_t *rid)
4944 {
4945 struct smbldap_state *smbldap_state = priv->smbldap_state;
4946
4947 LDAPMessage *result = NULL;
4948 LDAPMessage *entry = NULL;
4949 LDAPMod **mods = NULL;
4950 NTSTATUS status;
4951 char *value;
4952 int rc;
4953 uint32_t nextRid = 0;
4954 const char *dn;
4955 uint32_t tmp;
4956 int error = 0;
4957
4958 TALLOC_CTX *mem_ctx;
4959
4960 mem_ctx = talloc_new(NULL);
4961 if (mem_ctx == NULL) {
4962 DEBUG(0, ("talloc_new failed\n"));
4963 return NT_STATUS_NO_MEMORY;
4964 }
4965
4966 status = smbldap_search_domain_info(smbldap_state, &result,
4967 get_global_sam_name(), False);
4968 if (!NT_STATUS_IS_OK(status)) {
4969 DEBUG(3, ("Could not get domain info: %s\n",
4970 nt_errstr(status)));
4971 goto done;
4972 }
4973
4974 smbldap_talloc_autofree_ldapmsg(mem_ctx, result);
4975
4976 entry = ldap_first_entry(priv2ld(priv), result);
4977 if (entry == NULL) {
4978 DEBUG(0, ("Could not get domain info entry\n"));
4979 status = NT_STATUS_INTERNAL_DB_CORRUPTION;
4980 goto done;
4981 }
4982
4983 /* Find the largest of the three attributes "sambaNextRid",
4984 "sambaNextGroupRid" and "sambaNextUserRid". I gave up on the
4985 concept of differentiating between user and group rids, and will
4986 use only "sambaNextRid" in the future. But for compatibility
4987 reasons I look if others have chosen different strategies -- VL */
4988
4989 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4990 "sambaNextRid", mem_ctx);
4991 if (value != NULL) {
4992 tmp = (uint32_t)smb_strtoul(value,
4993 NULL,
4994 10,
4995 &error,
4996 SMB_STR_STANDARD);
4997 if (error != 0) {
4998 goto done;
4999 }
5000
5001 nextRid = MAX(nextRid, tmp);
5002 }
5003
5004 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
5005 "sambaNextUserRid", mem_ctx);
5006 if (value != NULL) {
5007 tmp = (uint32_t)smb_strtoul(value,
5008 NULL,
5009 10,
5010 &error,
5011 SMB_STR_STANDARD);
5012 if (error != 0) {
5013 goto done;
5014 }
5015
5016 nextRid = MAX(nextRid, tmp);
5017 }
5018
5019 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
5020 "sambaNextGroupRid", mem_ctx);
5021 if (value != NULL) {
5022 tmp = (uint32_t)smb_strtoul(value,
5023 NULL,
5024 10,
5025 &error,
5026 SMB_STR_STANDARD);
5027 if (error != 0) {
5028 goto done;
5029 }
5030
5031 nextRid = MAX(nextRid, tmp);
5032 }
5033
5034 if (nextRid == 0) {
5035 nextRid = BASE_RID-1;
5036 }
5037
5038 nextRid += 1;
5039
5040 smbldap_make_mod(priv2ld(priv), entry, &mods, "sambaNextRid",
5041 talloc_asprintf(mem_ctx, "%d", nextRid));
5042 smbldap_talloc_autofree_ldapmod(mem_ctx, mods);
5043
5044 if ((dn = smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry)) == NULL) {
5045 status = NT_STATUS_NO_MEMORY;
5046 goto done;
5047 }
5048
5049 rc = smbldap_modify(smbldap_state, dn, mods);
5050
5051 /* ACCESS_DENIED is used as a placeholder for "the modify failed,
5052 * please retry" */
5053
5054 status = (rc == LDAP_SUCCESS) ? NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
5055
5056 done:
5057 if (NT_STATUS_IS_OK(status)) {
5058 *rid = nextRid;
5059 }
5060
5061 TALLOC_FREE(mem_ctx);
5062 return status;
5063 }
5064
5065 static NTSTATUS ldapsam_new_rid_internal(struct pdb_methods *methods, uint32_t *rid)
5066 {
5067 int i;
5068
5069 for (i=0; i<10; i++) {
5070 NTSTATUS result = ldapsam_get_new_rid(
5071 (struct ldapsam_privates *)methods->private_data, rid);
5072 if (NT_STATUS_IS_OK(result)) {
5073 return result;
5074 }
5075
5076 if (!NT_STATUS_EQUAL(result, NT_STATUS_ACCESS_DENIED)) {
5077 return result;
5078 }
5079
5080 /* The ldap update failed (maybe a race condition), retry */
5081 }
5082
5083 /* Tried 10 times, fail. */
5084 return NT_STATUS_ACCESS_DENIED;
5085 }
5086
5087 static bool ldapsam_new_rid(struct pdb_methods *methods, uint32_t *rid)
5088 {
5089 NTSTATUS result = ldapsam_new_rid_internal(methods, rid);
5090 return NT_STATUS_IS_OK(result) ? True : False;
5091 }
5092
5093 static bool ldapsam_sid_to_id(struct pdb_methods *methods,
5094 const struct dom_sid *sid,
5095 struct unixid *id)
5096 {
5097 struct ldapsam_privates *priv =
5098 (struct ldapsam_privates *)methods->private_data;
5099 char *filter;
5100 int error = 0;
5101 struct dom_sid_buf buf;
5102 const char *attrs[] = { "sambaGroupType", "gidNumber", "uidNumber",
5103 NULL };
5104 LDAPMessage *result = NULL;
5105 LDAPMessage *entry = NULL;
5106 bool ret = False;
5107 char *value;
5108 int rc;
5109
5110 TALLOC_CTX *mem_ctx;
5111
5112 ret = pdb_sid_to_id_unix_users_and_groups(sid, id);
5113 if (ret == true) {
5114 return true;
5115 }
5116
5117 mem_ctx = talloc_new(NULL);
5118 if (mem_ctx == NULL) {
5119 DEBUG(0, ("talloc_new failed\n"));
5120 return False;
5121 }
5122
5123 filter = talloc_asprintf(mem_ctx,
5124 "(&(sambaSid=%s)"
5125 "(|(objectClass=%s)(objectClass=%s)))",
5126 dom_sid_str_buf(sid, &buf),
5127 LDAP_OBJ_GROUPMAP, LDAP_OBJ_SAMBASAMACCOUNT);
5128 if (filter == NULL) {
5129 DEBUG(5, ("talloc_asprintf failed\n"));
5130 goto done;
5131 }
5132
5133 rc = smbldap_search_suffix(priv->smbldap_state, filter,
5134 attrs, &result);
5135 if (rc != LDAP_SUCCESS) {
5136 goto done;
5137 }
5138 smbldap_talloc_autofree_ldapmsg(mem_ctx, result);
5139
5140 if (ldap_count_entries(priv2ld(priv), result) != 1) {
5141 DEBUG(10, ("Got %d entries, expected one\n",
5142 ldap_count_entries(priv2ld(priv), result)));
5143 goto done;
5144 }
5145
5146 entry = ldap_first_entry(priv2ld(priv), result);
5147
5148 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
5149 "sambaGroupType", mem_ctx);
5150
5151 if (value != NULL) {
5152 const char *gid_str;
5153 /* It's a group */
5154
5155 gid_str = smbldap_talloc_single_attribute(
5156 priv2ld(priv), entry, "gidNumber", mem_ctx);
5157 if (gid_str == NULL) {
5158 DEBUG(1, ("%s has sambaGroupType but no gidNumber\n",
5159 smbldap_talloc_dn(mem_ctx, priv2ld(priv),
5160 entry)));
5161 goto done;
5162 }
5163
5164 id->id = smb_strtoul(gid_str,
5165 NULL,
5166 10,
5167 &error,
5168 SMB_STR_STANDARD);
5169 if (error != 0) {
5170 goto done;
5171 }
5172
5173 id->type = ID_TYPE_GID;
5174 ret = True;
5175 goto done;
5176 }
5177
5178 /* It must be a user */
5179
5180 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
5181 "uidNumber", mem_ctx);
5182 if (value == NULL) {
5183 DEBUG(1, ("Could not find uidNumber in %s\n",
5184 smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry)));
5185 goto done;
5186 }
5187
5188 id->id = smb_strtoul(value, NULL, 10, &error, SMB_STR_STANDARD);
5189 if (error != 0) {
5190 goto done;
5191 }
5192
5193 id->type = ID_TYPE_UID;
5194 ret = True;
5195 done:
5196 TALLOC_FREE(mem_ctx);
5197 return ret;
5198 }
5199
5200 /**
5201 * Find the SID for a uid.
5202 * This is shortcut is only used if ldapsam:trusted is set to true.
5203 */
5204 static bool ldapsam_uid_to_sid(struct pdb_methods *methods, uid_t uid,
5205 struct dom_sid *sid)
5206 {
5207 struct ldapsam_privates *priv =
5208 (struct ldapsam_privates *)methods->private_data;
5209 char *filter;
5210 const char *attrs[] = { "sambaSID", NULL };
5211 LDAPMessage *result = NULL;
5212 LDAPMessage *entry = NULL;
5213 bool ret = false;
5214 char *user_sid_string;
5215 struct dom_sid user_sid;
5216 int rc;
5217 TALLOC_CTX *tmp_ctx = talloc_stackframe();
5218
5219 filter = talloc_asprintf(tmp_ctx,
5220 "(&(uidNumber=%u)"
5221 "(objectClass=%s)"
5222 "(objectClass=%s))",
5223 (unsigned int)uid,
5224 LDAP_OBJ_POSIXACCOUNT,
5225 LDAP_OBJ_SAMBASAMACCOUNT);
5226 if (filter == NULL) {
5227 DEBUG(3, ("talloc_asprintf failed\n"));
5228 goto done;
5229 }
5230
5231 rc = smbldap_search_suffix(priv->smbldap_state, filter, attrs, &result);
5232 if (rc != LDAP_SUCCESS) {
5233 goto done;
5234 }
5235 smbldap_talloc_autofree_ldapmsg(tmp_ctx, result);
5236
5237 if (ldap_count_entries(priv2ld(priv), result) != 1) {
5238 DEBUG(3, ("ERROR: Got %d entries for uid %u, expected one\n",
5239 ldap_count_entries(priv2ld(priv), result),
5240 (unsigned int)uid));
5241 goto done;
5242 }
5243
5244 entry = ldap_first_entry(priv2ld(priv), result);
5245
5246 user_sid_string = smbldap_talloc_single_attribute(priv2ld(priv), entry,
5247 "sambaSID", tmp_ctx);
5248 if (user_sid_string == NULL) {
5249 DEBUG(1, ("Could not find sambaSID in object '%s'\n",
5250 smbldap_talloc_dn(tmp_ctx, priv2ld(priv), entry)));
5251 goto done;
5252 }
5253
5254 if (!string_to_sid(&user_sid, user_sid_string)) {
5255 DEBUG(3, ("Error calling string_to_sid for sid '%s'\n",
5256 user_sid_string));
5257 goto done;
5258 }
5259
5260 sid_copy(sid, &user_sid);
5261
5262 ret = true;
5263
5264 done:
5265 TALLOC_FREE(tmp_ctx);
5266 return ret;
5267 }
5268
5269 /**
5270 * Find the SID for a gid.
5271 * This is shortcut is only used if ldapsam:trusted is set to true.
5272 */
5273 static bool ldapsam_gid_to_sid(struct pdb_methods *methods, gid_t gid,
5274 struct dom_sid *sid)
5275 {
5276 struct ldapsam_privates *priv =
5277 (struct ldapsam_privates *)methods->private_data;
5278 char *filter;
5279 const char *attrs[] = { "sambaSID", NULL };
5280 LDAPMessage *result = NULL;
5281 LDAPMessage *entry = NULL;
5282 bool ret = false;
5283 char *group_sid_string;
5284 struct dom_sid group_sid;
5285 int rc;
5286 TALLOC_CTX *tmp_ctx = talloc_stackframe();
5287
5288 filter = talloc_asprintf(tmp_ctx,
5289 "(&(gidNumber=%u)"
5290 "(objectClass=%s))",
5291 (unsigned int)gid,
5292 LDAP_OBJ_GROUPMAP);
5293 if (filter == NULL) {
5294 DEBUG(3, ("talloc_asprintf failed\n"));
5295 goto done;
5296 }
5297
5298 rc = smbldap_search_suffix(priv->smbldap_state, filter, attrs, &result);
5299 if (rc != LDAP_SUCCESS) {
5300 goto done;
5301 }
5302 smbldap_talloc_autofree_ldapmsg(tmp_ctx, result);
5303
5304 if (ldap_count_entries(priv2ld(priv), result) != 1) {
5305 DEBUG(3, ("ERROR: Got %d entries for gid %u, expected one\n",
5306 ldap_count_entries(priv2ld(priv), result),
5307 (unsigned int)gid));
5308 goto done;
5309 }
5310
5311 entry = ldap_first_entry(priv2ld(priv), result);
5312
5313 group_sid_string = smbldap_talloc_single_attribute(priv2ld(priv), entry,
5314 "sambaSID", tmp_ctx);
5315 if (group_sid_string == NULL) {
5316 DEBUG(1, ("Could not find sambaSID in object '%s'\n",
5317 smbldap_talloc_dn(tmp_ctx, priv2ld(priv), entry)));
5318 goto done;
5319 }
5320
5321 if (!string_to_sid(&group_sid, group_sid_string)) {
5322 DEBUG(3, ("Error calling string_to_sid for sid '%s'\n",
5323 group_sid_string));
5324 goto done;
5325 }
5326
5327 sid_copy(sid, &group_sid);
5328
5329 ret = true;
5330
5331 done:
5332 TALLOC_FREE(tmp_ctx);
5333 return ret;
5334 }
5335
5336 static bool ldapsam_id_to_sid(struct pdb_methods *methods, struct unixid *id,
5337 struct dom_sid *sid)
5338 {
5339 switch (id->type) {
5340 case ID_TYPE_UID:
5341 return ldapsam_uid_to_sid(methods, id->id, sid);
5342
5343 case ID_TYPE_GID:
5344 return ldapsam_gid_to_sid(methods, id->id, sid);
5345
5346 default:
5347 return false;
5348 }
5349 }
5350
5351
5352 /*
5353 * The following functions are called only if
5354 * ldapsam:trusted and ldapsam:editposix are
5355 * set to true
5356 */
5357
5358 /*
5359 * ldapsam_create_user creates a new
5360 * posixAccount and sambaSamAccount object
5361 * in the ldap users subtree
5362 *
5363 * The uid is allocated by winbindd.
5364 */
5365
5366 static NTSTATUS ldapsam_create_user(struct pdb_methods *my_methods,
5367 TALLOC_CTX *tmp_ctx, const char *name,
5368 uint32_t acb_info, uint32_t *rid)
5369 {
5370 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5371 LDAPMessage *entry = NULL;
5372 LDAPMessage *result = NULL;
5373 uint32_t num_result;
5374 bool is_machine = False;
5375 bool add_posix = False;
5376 bool init_okay = False;
5377 LDAPMod **mods = NULL;
5378 struct samu *user;
5379 char *filter;
5380 char *username;
5381 char *homedir;
5382 char *gidstr;
5383 char *uidstr;
5384 char *shell;
5385 const char *dn = NULL;
5386 struct dom_sid group_sid;
5387 struct dom_sid user_sid;
5388 gid_t gid = -1;
5389 uid_t uid = -1;
5390 NTSTATUS ret;
5391 int rc;
5392
5393 if (((acb_info & ACB_NORMAL) && name[strlen(name)-1] == '$') ||
5394 acb_info & ACB_WSTRUST ||
5395 acb_info & ACB_SVRTRUST ||
5396 acb_info & ACB_DOMTRUST) {
5397 is_machine = True;
5398 }
5399
5400 username = escape_ldap_string(talloc_tos(), name);
5401 filter = talloc_asprintf(tmp_ctx, "(&(uid=%s)(objectClass=%s))",
5402 username, LDAP_OBJ_POSIXACCOUNT);
5403 TALLOC_FREE(username);
5404
5405 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5406 if (rc != LDAP_SUCCESS) {
5407 DEBUG(0,("ldapsam_create_user: ldap search failed!\n"));
5408 return NT_STATUS_ACCESS_DENIED;
5409 }
5410 smbldap_talloc_autofree_ldapmsg(tmp_ctx, result);
5411
5412 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5413
5414 if (num_result > 1) {
5415 DEBUG (0, ("ldapsam_create_user: More than one user with name [%s] ?!\n", name));
5416 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5417 }
5418
5419 if (num_result == 1) {
5420 char *tmp;
5421 /* check if it is just a posix account.
5422 * or if there is a sid attached to this entry
5423 */
5424
5425 entry = ldap_first_entry(priv2ld(ldap_state), result);
5426 if (!entry) {
5427 return NT_STATUS_UNSUCCESSFUL;
5428 }
5429
5430 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "sambaSID", tmp_ctx);
5431 if (tmp) {
5432 DEBUG (1, ("ldapsam_create_user: The user [%s] already exist!\n", name));
5433 return NT_STATUS_USER_EXISTS;
5434 }
5435
5436 /* it is just a posix account, retrieve the dn for later use */
5437 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5438 if (!dn) {
5439 DEBUG(0,("ldapsam_create_user: Out of memory!\n"));
5440 return NT_STATUS_NO_MEMORY;
5441 }
5442 }
5443
5444 if (num_result == 0) {
5445 add_posix = True;
5446 }
5447
5448 /* Create the basic samu structure and generate the mods for the ldap commit */
5449 if (!NT_STATUS_IS_OK((ret = ldapsam_new_rid_internal(my_methods, rid)))) {
5450 DEBUG(1, ("ldapsam_create_user: Could not allocate a new RID\n"));
5451 return ret;
5452 }
5453
5454 sid_compose(&user_sid, get_global_sam_sid(), *rid);
5455
5456 user = samu_new(tmp_ctx);
5457 if (!user) {
5458 DEBUG(1,("ldapsam_create_user: Unable to allocate user struct\n"));
5459 return NT_STATUS_NO_MEMORY;
5460 }
5461
5462 if (!pdb_set_username(user, name, PDB_SET)) {
5463 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5464 return NT_STATUS_UNSUCCESSFUL;
5465 }
5466 if (!pdb_set_domain(user, get_global_sam_name(), PDB_SET)) {
5467 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5468 return NT_STATUS_UNSUCCESSFUL;
5469 }
5470 if (is_machine) {
5471 if (acb_info & ACB_NORMAL) {
5472 if (!pdb_set_acct_ctrl(user, ACB_WSTRUST, PDB_SET)) {
5473 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5474 return NT_STATUS_UNSUCCESSFUL;
5475 }
5476 } else {
5477 if (!pdb_set_acct_ctrl(user, acb_info, PDB_SET)) {
5478 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5479 return NT_STATUS_UNSUCCESSFUL;
5480 }
5481 }
5482 } else {
5483 if (!pdb_set_acct_ctrl(user, ACB_NORMAL | ACB_DISABLED, PDB_SET)) {
5484 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5485 return NT_STATUS_UNSUCCESSFUL;
5486 }
5487 }
5488
5489 if (!pdb_set_user_sid(user, &user_sid, PDB_SET)) {
5490 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5491 return NT_STATUS_UNSUCCESSFUL;
5492 }
5493
5494 init_okay = init_ldap_from_sam(ldap_state, entry, &mods, user, pdb_element_is_set_or_changed);
5495
5496 if (!init_okay) {
5497 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
5498 ldap_mods_free(mods, true);
5499 return NT_STATUS_UNSUCCESSFUL;
5500 }
5501
5502 if (ldap_state->schema_ver != SCHEMAVER_SAMBASAMACCOUNT) {
5503 DEBUG(1,("ldapsam_create_user: Unsupported schema version\n"));
5504 }
5505 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_SAMBASAMACCOUNT);
5506
5507 if (add_posix) {
5508 char *escape_name;
5509
5510 DEBUG(3,("ldapsam_create_user: Creating new posix user\n"));
5511
5512 /* retrieve the Domain Users group gid */
5513 if (!sid_compose(&group_sid, get_global_sam_sid(), DOMAIN_RID_USERS) ||
5514 !sid_to_gid(&group_sid, &gid)) {
5515 DEBUG (0, ("ldapsam_create_user: Unable to get the Domain Users gid: bailing out!\n"));
5516 ldap_mods_free(mods, true);
5517 return NT_STATUS_INVALID_PRIMARY_GROUP;
5518 }
5519
5520 /* lets allocate a new userid for this user */
5521 if (!winbind_allocate_uid(&uid)) {
5522 DEBUG (0, ("ldapsam_create_user: Unable to allocate a new user id: bailing out!\n"));
5523 ldap_mods_free(mods, true);
5524 return NT_STATUS_UNSUCCESSFUL;
5525 }
5526
5527
5528 if (is_machine) {
5529 /* TODO: choose a more appropriate default for machines */
5530 homedir = talloc_sub_specified(tmp_ctx,
5531 lp_template_homedir(),
5532 "SMB_workstations_home",
5533 NULL,
5534 ldap_state->domain_name,
5535 uid,
5536 gid);
5537 shell = talloc_strdup(tmp_ctx, "/bin/false");
5538 } else {
5539 homedir = talloc_sub_specified(tmp_ctx,
5540 lp_template_homedir(),
5541 name,
5542 NULL,
5543 ldap_state->domain_name,
5544 uid,
5545 gid);
5546 shell = talloc_sub_specified(tmp_ctx,
5547 lp_template_shell(),
5548 name,
5549 NULL,
5550 ldap_state->domain_name,
5551 uid,
5552 gid);
5553 }
5554 uidstr = talloc_asprintf(tmp_ctx, "%u", (unsigned int)uid);
5555 gidstr = talloc_asprintf(tmp_ctx, "%u", (unsigned int)gid);
5556
5557 escape_name = escape_rdn_val_string_alloc(name);
5558 if (!escape_name) {
5559 DEBUG (0, ("ldapsam_create_user: Out of memory!\n"));
5560 ldap_mods_free(mods, true);
5561 return NT_STATUS_NO_MEMORY;
5562 }
5563
5564 if (is_machine) {
5565 dn = talloc_asprintf(tmp_ctx, "uid=%s,%s", escape_name, lp_ldap_machine_suffix (talloc_tos()));
5566 } else {
5567 dn = talloc_asprintf(tmp_ctx, "uid=%s,%s", escape_name, lp_ldap_user_suffix (talloc_tos()));
5568 }
5569
5570 SAFE_FREE(escape_name);
5571
5572 if (!homedir || !shell || !uidstr || !gidstr || !dn) {
5573 DEBUG (0, ("ldapsam_create_user: Out of memory!\n"));
5574 ldap_mods_free(mods, true);
5575 return NT_STATUS_NO_MEMORY;
5576 }
5577
5578 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_ACCOUNT);
5579 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_POSIXACCOUNT);
5580 smbldap_set_mod(&mods, LDAP_MOD_ADD, "cn", name);
5581 smbldap_set_mod(&mods, LDAP_MOD_ADD, "uidNumber", uidstr);
5582 smbldap_set_mod(&mods, LDAP_MOD_ADD, "gidNumber", gidstr);
5583 smbldap_set_mod(&mods, LDAP_MOD_ADD, "homeDirectory", homedir);
5584 smbldap_set_mod(&mods, LDAP_MOD_ADD, "loginShell", shell);
5585 }
5586
5587 if (add_posix) {
5588 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5589 } else {
5590 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5591 }
5592
5593 ldap_mods_free(mods, true);
5594
5595 if (rc != LDAP_SUCCESS) {
5596 DEBUG(0,("ldapsam_create_user: failed to create a new user [%s] (dn = %s)\n", name ,dn));
5597 return NT_STATUS_UNSUCCESSFUL;
5598 }
5599
5600 DEBUG(2,("ldapsam_create_user: added account [%s] in the LDAP database\n", name));
5601
5602 flush_pwnam_cache();
5603
5604 return NT_STATUS_OK;
5605 }
5606
5607 static NTSTATUS ldapsam_delete_user(struct pdb_methods *my_methods, TALLOC_CTX *tmp_ctx, struct samu *sam_acct)
5608 {
5609 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5610 LDAPMessage *result = NULL;
5611 LDAPMessage *entry = NULL;
5612 int num_result;
5613 const char *dn;
5614 char *filter;
5615 int rc;
5616
5617 DEBUG(0,("ldapsam_delete_user: Attempt to delete user [%s]\n", pdb_get_username(sam_acct)));
5618
5619 filter = talloc_asprintf(tmp_ctx,
5620 "(&(uid=%s)"
5621 "(objectClass=%s)"
5622 "(objectClass=%s))",
5623 pdb_get_username(sam_acct),
5624 LDAP_OBJ_POSIXACCOUNT,
5625 LDAP_OBJ_SAMBASAMACCOUNT);
5626 if (filter == NULL) {
5627 return NT_STATUS_NO_MEMORY;
5628 }
5629
5630 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5631 if (rc != LDAP_SUCCESS) {
5632 DEBUG(0,("ldapsam_delete_user: user search failed!\n"));
5633 return NT_STATUS_UNSUCCESSFUL;
5634 }
5635 smbldap_talloc_autofree_ldapmsg(tmp_ctx, result);
5636
5637 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5638
5639 if (num_result == 0) {
5640 DEBUG(0,("ldapsam_delete_user: user not found!\n"));
5641 return NT_STATUS_NO_SUCH_USER;
5642 }
5643
5644 if (num_result > 1) {
5645 DEBUG (0, ("ldapsam_delete_user: More than one user with name [%s] ?!\n", pdb_get_username(sam_acct)));
5646 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5647 }
5648
5649 entry = ldap_first_entry(priv2ld(ldap_state), result);
5650 if (!entry) {
5651 return NT_STATUS_UNSUCCESSFUL;
5652 }
5653
5654 /* it is just a posix account, retrieve the dn for later use */
5655 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5656 if (!dn) {
5657 DEBUG(0,("ldapsam_delete_user: Out of memory!\n"));
5658 return NT_STATUS_NO_MEMORY;
5659 }
5660
5661 /* try to remove memberships first */
5662 {
5663 NTSTATUS status;
5664 struct dom_sid *sids = NULL;
5665 gid_t *gids = NULL;
5666 uint32_t num_groups = 0;
5667 int i;
5668 uint32_t user_rid = pdb_get_user_rid(sam_acct);
5669
5670 status = ldapsam_enum_group_memberships(my_methods,
5671 tmp_ctx,
5672 sam_acct,
5673 &sids,
5674 &gids,
5675 &num_groups);
5676 if (!NT_STATUS_IS_OK(status)) {
5677 goto delete_dn;
5678 }
5679
5680 for (i=0; i < num_groups; i++) {
5681
5682 uint32_t group_rid;
5683
5684 sid_peek_rid(&sids[i], &group_rid);
5685
5686 ldapsam_del_groupmem(my_methods,
5687 tmp_ctx,
5688 group_rid,
5689 user_rid);
5690 }
5691 }
5692
5693 delete_dn:
5694
5695 rc = smbldap_delete(ldap_state->smbldap_state, dn);
5696 if (rc != LDAP_SUCCESS) {
5697 return NT_STATUS_UNSUCCESSFUL;
5698 }
5699
5700 flush_pwnam_cache();
5701
5702 return NT_STATUS_OK;
5703 }
5704
5705 /*
5706 * ldapsam_create_group creates a new
5707 * posixGroup and sambaGroupMapping object
5708 * in the ldap groups subtree
5709 *
5710 * The gid is allocated by winbindd.
5711 */
5712
5713 static NTSTATUS ldapsam_create_dom_group(struct pdb_methods *my_methods,
5714 TALLOC_CTX *tmp_ctx,
5715 const char *name,
5716 uint32_t *rid)
5717 {
5718 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5719 NTSTATUS ret;
5720 LDAPMessage *entry = NULL;
5721 LDAPMessage *result = NULL;
5722 uint32_t num_result;
5723 bool is_new_entry = False;
5724 LDAPMod **mods = NULL;
5725 char *filter;
5726 char *groupname;
5727 char *grouptype;
5728 char *gidstr;
5729 const char *dn = NULL;
5730 struct dom_sid group_sid;
5731 struct dom_sid_buf buf;
5732 gid_t gid = -1;
5733 int rc;
5734 int error = 0;
5735
5736 groupname = escape_ldap_string(talloc_tos(), name);
5737 filter = talloc_asprintf(tmp_ctx, "(&(cn=%s)(objectClass=%s))",
5738 groupname, LDAP_OBJ_POSIXGROUP);
5739 TALLOC_FREE(groupname);
5740
5741 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5742 if (rc != LDAP_SUCCESS) {
5743 DEBUG(0,("ldapsam_create_group: ldap search failed!\n"));
5744 return NT_STATUS_UNSUCCESSFUL;
5745 }
5746 smbldap_talloc_autofree_ldapmsg(tmp_ctx, result);
5747
5748 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5749
5750 if (num_result > 1) {
5751 DEBUG (0, ("ldapsam_create_group: There exists more than one group with name [%s]: bailing out!\n", name));
5752 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5753 }
5754
5755 if (num_result == 1) {
5756 char *tmp;
5757 /* check if it is just a posix group.
5758 * or if there is a sid attached to this entry
5759 */
5760
5761 entry = ldap_first_entry(priv2ld(ldap_state), result);
5762 if (!entry) {
5763 return NT_STATUS_UNSUCCESSFUL;
5764 }
5765
5766 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "sambaSID", tmp_ctx);
5767 if (tmp) {
5768 DEBUG (1, ("ldapsam_create_group: The group [%s] already exist!\n", name));
5769 return NT_STATUS_GROUP_EXISTS;
5770 }
5771
5772 /* it is just a posix group, retrieve the gid and the dn for later use */
5773 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5774 if (!tmp) {
5775 DEBUG (1, ("ldapsam_create_group: Couldn't retrieve the gidNumber for [%s]?!?!\n", name));
5776 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5777 }
5778
5779 gid = smb_strtoul(tmp, NULL, 10, &error, SMB_STR_STANDARD);
5780 if (error != 0) {
5781 DBG_ERR("Failed to convert gidNumber\n");
5782 return NT_STATUS_UNSUCCESSFUL;
5783 }
5784
5785 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5786 if (!dn) {
5787 DEBUG(0,("ldapsam_create_group: Out of memory!\n"));
5788 return NT_STATUS_NO_MEMORY;
5789 }
5790 }
5791
5792 if (num_result == 0) {
5793 is_new_entry = true;
5794 }
5795
5796 if (!NT_STATUS_IS_OK((ret = ldapsam_new_rid_internal(my_methods, rid)))) {
5797 DEBUG(1, ("ldapsam_create_group: Could not allocate a new RID\n"));
5798 return ret;
5799 }
5800
5801 sid_compose(&group_sid, get_global_sam_sid(), *rid);
5802
5803 grouptype = talloc_asprintf(tmp_ctx, "%d", SID_NAME_DOM_GRP);
5804
5805 if (!grouptype) {
5806 DEBUG(0,("ldapsam_create_group: Out of memory!\n"));
5807 return NT_STATUS_NO_MEMORY;
5808 }
5809
5810 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_GROUPMAP);
5811 smbldap_set_mod(&mods,
5812 LDAP_MOD_ADD,
5813 "sambaSid",
5814 dom_sid_str_buf(&group_sid, &buf));
5815 smbldap_set_mod(&mods, LDAP_MOD_ADD, "sambaGroupType", grouptype);
5816 smbldap_set_mod(&mods, LDAP_MOD_ADD, "displayName", name);
5817
5818 if (is_new_entry) {
5819 char *escape_name;
5820
5821 DEBUG(3,("ldapsam_create_user: Creating new posix group\n"));
5822
5823 /* lets allocate a new groupid for this group */
5824 if (!winbind_allocate_gid(&gid)) {
5825 DEBUG (0, ("ldapsam_create_group: Unable to allocate a new group id: bailing out!\n"));
5826 return NT_STATUS_UNSUCCESSFUL;
5827 }
5828
5829 gidstr = talloc_asprintf(tmp_ctx, "%u", (unsigned int)gid);
5830
5831 escape_name = escape_rdn_val_string_alloc(name);
5832 if (!escape_name) {
5833 DEBUG (0, ("ldapsam_create_group: Out of memory!\n"));
5834 return NT_STATUS_NO_MEMORY;
5835 }
5836
5837 dn = talloc_asprintf(tmp_ctx, "cn=%s,%s", escape_name, lp_ldap_group_suffix(talloc_tos()));
5838
5839 SAFE_FREE(escape_name);
5840
5841 if (!gidstr || !dn) {
5842 DEBUG (0, ("ldapsam_create_group: Out of memory!\n"));
5843 return NT_STATUS_NO_MEMORY;
5844 }
5845
5846 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_POSIXGROUP);
5847 smbldap_set_mod(&mods, LDAP_MOD_ADD, "cn", name);
5848 smbldap_set_mod(&mods, LDAP_MOD_ADD, "gidNumber", gidstr);
5849 }
5850
5851 smbldap_talloc_autofree_ldapmod(tmp_ctx, mods);
5852
5853 if (is_new_entry) {
5854 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5855 #if 0
5856 if (rc == LDAP_OBJECT_CLASS_VIOLATION) {
5857 /* This call may fail with rfc2307bis schema */
5858 /* Retry adding a structural class */
5859 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", "????");
5860 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5861 }
5862 #endif
5863 } else {
5864 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5865 }
5866
5867 if (rc != LDAP_SUCCESS) {
5868 DEBUG(0,("ldapsam_create_group: failed to create a new group [%s] (dn = %s)\n", name ,dn));
5869 return NT_STATUS_UNSUCCESSFUL;
5870 }
5871
5872 DEBUG(2,("ldapsam_create_group: added group [%s] in the LDAP database\n", name));
5873
5874 return NT_STATUS_OK;
5875 }
5876
5877 static NTSTATUS ldapsam_delete_dom_group(struct pdb_methods *my_methods, TALLOC_CTX *tmp_ctx, uint32_t rid)
5878 {
5879 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5880 LDAPMessage *result = NULL;
5881 LDAPMessage *entry = NULL;
5882 int num_result;
5883 const char *dn;
5884 char *gidstr;
5885 char *filter;
5886 struct dom_sid group_sid;
5887 struct dom_sid_buf buf;
5888 int rc;
5889
5890 /* get the group sid */
5891 sid_compose(&group_sid, get_global_sam_sid(), rid);
5892
5893 filter = talloc_asprintf(tmp_ctx,
5894 "(&(sambaSID=%s)"
5895 "(objectClass=%s)"
5896 "(objectClass=%s))",
5897 dom_sid_str_buf(&group_sid, &buf),
5898 LDAP_OBJ_POSIXGROUP,
5899 LDAP_OBJ_GROUPMAP);
5900 if (filter == NULL) {
5901 return NT_STATUS_NO_MEMORY;
5902 }
5903
5904 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5905 if (rc != LDAP_SUCCESS) {
5906 DEBUG(1,("ldapsam_delete_dom_group: group search failed!\n"));
5907 return NT_STATUS_UNSUCCESSFUL;
5908 }
5909 smbldap_talloc_autofree_ldapmsg(tmp_ctx, result);
5910
5911 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5912
5913 if (num_result == 0) {
5914 DEBUG(1,("ldapsam_delete_dom_group: group not found!\n"));
5915 return NT_STATUS_NO_SUCH_GROUP;
5916 }
5917
5918 if (num_result > 1) {
5919 DEBUG (0, ("ldapsam_delete_dom_group: More than one group with the same SID ?!\n"));
5920 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5921 }
5922
5923 entry = ldap_first_entry(priv2ld(ldap_state), result);
5924 if (!entry) {
5925 return NT_STATUS_UNSUCCESSFUL;
5926 }
5927
5928 /* here it is, retrieve the dn for later use */
5929 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5930 if (!dn) {
5931 DEBUG(0,("ldapsam_delete_dom_group: Out of memory!\n"));
5932 return NT_STATUS_NO_MEMORY;
5933 }
5934
5935 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5936 if (!gidstr) {
5937 DEBUG (0, ("ldapsam_delete_dom_group: Unable to find the group's gid!\n"));
5938 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5939 }
5940
5941 /* check no user have this group marked as primary group */
5942 filter = talloc_asprintf(tmp_ctx,
5943 "(&(gidNumber=%s)"
5944 "(objectClass=%s)"
5945 "(objectClass=%s))",
5946 gidstr,
5947 LDAP_OBJ_POSIXACCOUNT,
5948 LDAP_OBJ_SAMBASAMACCOUNT);
5949
5950 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5951 if (rc != LDAP_SUCCESS) {
5952 DEBUG(1,("ldapsam_delete_dom_group: accounts search failed!\n"));
5953 return NT_STATUS_UNSUCCESSFUL;
5954 }
5955 smbldap_talloc_autofree_ldapmsg(tmp_ctx, result);
5956
5957 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5958
5959 if (num_result != 0) {
5960 DEBUG(3,("ldapsam_delete_dom_group: Can't delete group, it is a primary group for %d users\n", num_result));
5961 return NT_STATUS_MEMBERS_PRIMARY_GROUP;
5962 }
5963
5964 rc = smbldap_delete(ldap_state->smbldap_state, dn);
5965 if (rc != LDAP_SUCCESS) {
5966 return NT_STATUS_UNSUCCESSFUL;
5967 }
5968
5969 return NT_STATUS_OK;
5970 }
5971
5972 static NTSTATUS ldapsam_change_groupmem(struct pdb_methods *my_methods,
5973 TALLOC_CTX *tmp_ctx,
5974 uint32_t group_rid,
5975 uint32_t member_rid,
5976 int modop)
5977 {
5978 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5979 LDAPMessage *entry = NULL;
5980 LDAPMessage *result = NULL;
5981 uint32_t num_result;
5982 LDAPMod **mods = NULL;
5983 char *filter;
5984 char *uidstr;
5985 const char *dn = NULL;
5986 struct dom_sid group_sid;
5987 struct dom_sid member_sid;
5988 struct dom_sid_buf buf;
5989 int rc;
5990 int error = 0;
5991
5992 switch (modop) {
5993 case LDAP_MOD_ADD:
5994 DEBUG(1,("ldapsam_change_groupmem: add new member(rid=%d) to a domain group(rid=%d)", member_rid, group_rid));
5995 break;
5996 case LDAP_MOD_DELETE:
5997 DEBUG(1,("ldapsam_change_groupmem: delete member(rid=%d) from a domain group(rid=%d)", member_rid, group_rid));
5998 break;
5999 default:
6000 return NT_STATUS_UNSUCCESSFUL;
6001 }
6002
6003 /* get member sid */
6004 sid_compose(&member_sid, get_global_sam_sid(), member_rid);
6005
6006 /* get the group sid */
6007 sid_compose(&group_sid, get_global_sam_sid(), group_rid);
6008
6009 filter = talloc_asprintf(tmp_ctx,
6010 "(&(sambaSID=%s)"
6011 "(objectClass=%s)"
6012 "(objectClass=%s))",
6013 dom_sid_str_buf(&member_sid, &buf),
6014 LDAP_OBJ_POSIXACCOUNT,
6015 LDAP_OBJ_SAMBASAMACCOUNT);
6016 if (filter == NULL) {
6017 return NT_STATUS_NO_MEMORY;
6018 }
6019
6020 /* get the member uid */
6021 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
6022 if (rc != LDAP_SUCCESS) {
6023 DEBUG(1,("ldapsam_change_groupmem: member search failed!\n"));
6024 return NT_STATUS_UNSUCCESSFUL;
6025 }
6026 smbldap_talloc_autofree_ldapmsg(tmp_ctx, result);
6027
6028 num_result = ldap_count_entries(priv2ld(ldap_state), result);
6029
6030 if (num_result == 0) {
6031 DEBUG(1,("ldapsam_change_groupmem: member not found!\n"));
6032 return NT_STATUS_NO_SUCH_MEMBER;
6033 }
6034
6035 if (num_result > 1) {
6036 DEBUG (0, ("ldapsam_change_groupmem: More than one account with the same SID ?!\n"));
6037 return NT_STATUS_INTERNAL_DB_CORRUPTION;
6038 }
6039
6040 entry = ldap_first_entry(priv2ld(ldap_state), result);
6041 if (!entry) {
6042 return NT_STATUS_UNSUCCESSFUL;
6043 }
6044
6045 if (modop == LDAP_MOD_DELETE) {
6046 /* check if we are trying to remove the member from his primary group */
6047 char *gidstr;
6048 gid_t user_gid, group_gid;
6049
6050 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
6051 if (!gidstr) {
6052 DEBUG (0, ("ldapsam_change_groupmem: Unable to find the member's gid!\n"));
6053 return NT_STATUS_INTERNAL_DB_CORRUPTION;
6054 }
6055
6056 user_gid = smb_strtoul(gidstr, NULL, 10, &error, SMB_STR_STANDARD);
6057 if (error != 0) {
6058 DBG_ERR("Failed to convert user gid\n");
6059 return NT_STATUS_UNSUCCESSFUL;
6060 }
6061
6062 if (!sid_to_gid(&group_sid, &group_gid)) {
6063 DEBUG (0, ("ldapsam_change_groupmem: Unable to get group gid from SID!\n"));
6064 return NT_STATUS_UNSUCCESSFUL;
6065 }
6066
6067 if (user_gid == group_gid) {
6068 DEBUG (3, ("ldapsam_change_groupmem: can't remove user from its own primary group!\n"));
6069 return NT_STATUS_MEMBERS_PRIMARY_GROUP;
6070 }
6071 }
6072
6073 /* here it is, retrieve the uid for later use */
6074 uidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "uid", tmp_ctx);
6075 if (!uidstr) {
6076 DEBUG (0, ("ldapsam_change_groupmem: Unable to find the member's name!\n"));
6077 return NT_STATUS_INTERNAL_DB_CORRUPTION;
6078 }
6079
6080 filter = talloc_asprintf(tmp_ctx,
6081 "(&(sambaSID=%s)"
6082 "(objectClass=%s)"
6083 "(objectClass=%s))",
6084 dom_sid_str_buf(&group_sid, &buf),
6085 LDAP_OBJ_POSIXGROUP,
6086 LDAP_OBJ_GROUPMAP);
6087
6088 /* get the group */
6089 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
6090 if (rc != LDAP_SUCCESS) {
6091 DEBUG(1,("ldapsam_change_groupmem: group search failed!\n"));
6092 return NT_STATUS_UNSUCCESSFUL;
6093 }
6094 smbldap_talloc_autofree_ldapmsg(tmp_ctx, result);
6095
6096 num_result = ldap_count_entries(priv2ld(ldap_state), result);
6097
6098 if (num_result == 0) {
6099 DEBUG(1,("ldapsam_change_groupmem: group not found!\n"));
6100 return NT_STATUS_NO_SUCH_GROUP;
6101 }
6102
6103 if (num_result > 1) {
6104 DEBUG (0, ("ldapsam_change_groupmem: More than one group with the same SID ?!\n"));
6105 return NT_STATUS_INTERNAL_DB_CORRUPTION;
6106 }
6107
6108 entry = ldap_first_entry(priv2ld(ldap_state), result);
6109 if (!entry) {
6110 return NT_STATUS_UNSUCCESSFUL;
6111 }
6112
6113 /* here it is, retrieve the dn for later use */
6114 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
6115 if (!dn) {
6116 DEBUG(0,("ldapsam_change_groupmem: Out of memory!\n"));
6117 return NT_STATUS_NO_MEMORY;
6118 }
6119
6120 smbldap_set_mod(&mods, modop, "memberUid", uidstr);
6121
6122 smbldap_talloc_autofree_ldapmod(tmp_ctx, mods);
6123
6124 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
6125 if (rc != LDAP_SUCCESS) {
6126 if (rc == LDAP_TYPE_OR_VALUE_EXISTS && modop == LDAP_MOD_ADD) {
6127 DEBUG(1,("ldapsam_change_groupmem: member is already in group, add failed!\n"));
6128 return NT_STATUS_MEMBER_IN_GROUP;
6129 }
6130 if (rc == LDAP_NO_SUCH_ATTRIBUTE && modop == LDAP_MOD_DELETE) {
6131 DEBUG(1,("ldapsam_change_groupmem: member is not in group, delete failed!\n"));
6132 return NT_STATUS_MEMBER_NOT_IN_GROUP;
6133 }
6134 return NT_STATUS_UNSUCCESSFUL;
6135 }
6136
6137 return NT_STATUS_OK;
6138 }
6139
6140 static NTSTATUS ldapsam_add_groupmem(struct pdb_methods *my_methods,
6141 TALLOC_CTX *tmp_ctx,
6142 uint32_t group_rid,
6143 uint32_t member_rid)
6144 {
6145 return ldapsam_change_groupmem(my_methods, tmp_ctx, group_rid, member_rid, LDAP_MOD_ADD);
6146 }
6147 static NTSTATUS ldapsam_del_groupmem(struct pdb_methods *my_methods,
6148 TALLOC_CTX *tmp_ctx,
6149 uint32_t group_rid,
6150 uint32_t member_rid)
6151 {
6152 return ldapsam_change_groupmem(my_methods, tmp_ctx, group_rid, member_rid, LDAP_MOD_DELETE);
6153 }
6154
6155 static NTSTATUS ldapsam_set_primary_group(struct pdb_methods *my_methods,
6156 TALLOC_CTX *mem_ctx,
6157 struct samu *sampass)
6158 {
6159 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
6160 LDAPMessage *entry = NULL;
6161 LDAPMessage *result = NULL;
6162 uint32_t num_result;
6163 LDAPMod **mods = NULL;
6164 char *filter;
6165 char *escape_username;
6166 char *gidstr;
6167 char *dn = NULL;
6168 gid_t gid;
6169 int rc;
6170
6171 DEBUG(0,("ldapsam_set_primary_group: Attempt to set primary group for user [%s]\n", pdb_get_username(sampass)));
6172
6173 if (!sid_to_gid(pdb_get_group_sid(sampass), &gid)) {
6174 DEBUG(0,("ldapsam_set_primary_group: failed to retrieve gid from user's group SID!\n"));
6175 return NT_STATUS_UNSUCCESSFUL;
6176 }
6177 gidstr = talloc_asprintf(mem_ctx, "%u", (unsigned int)gid);
6178 if (!gidstr) {
6179 DEBUG(0,("ldapsam_set_primary_group: Out of Memory!\n"));
6180 return NT_STATUS_NO_MEMORY;
6181 }
6182
6183 escape_username = escape_ldap_string(talloc_tos(),
6184 pdb_get_username(sampass));
6185 if (escape_username== NULL) {
6186 return NT_STATUS_NO_MEMORY;
6187 }
6188
6189 filter = talloc_asprintf(mem_ctx,
6190 "(&(uid=%s)"
6191 "(objectClass=%s)"
6192 "(objectClass=%s))",
6193 escape_username,
6194 LDAP_OBJ_POSIXACCOUNT,
6195 LDAP_OBJ_SAMBASAMACCOUNT);
6196
6197 TALLOC_FREE(escape_username);
6198
6199 if (filter == NULL) {
6200 return NT_STATUS_NO_MEMORY;
6201 }
6202
6203 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
6204 if (rc != LDAP_SUCCESS) {
6205 DEBUG(0,("ldapsam_set_primary_group: user search failed!\n"));
6206 return NT_STATUS_UNSUCCESSFUL;
6207 }
6208 smbldap_talloc_autofree_ldapmsg(mem_ctx, result);
6209
6210 num_result = ldap_count_entries(priv2ld(ldap_state), result);
6211
6212 if (num_result == 0) {
6213 DEBUG(0,("ldapsam_set_primary_group: user not found!\n"));
6214 return NT_STATUS_NO_SUCH_USER;
6215 }
6216
6217 if (num_result > 1) {
6218 DEBUG (0, ("ldapsam_set_primary_group: More than one user with name [%s] ?!\n", pdb_get_username(sampass)));
6219 return NT_STATUS_INTERNAL_DB_CORRUPTION;
6220 }
6221
6222 entry = ldap_first_entry(priv2ld(ldap_state), result);
6223 if (!entry) {
6224 return NT_STATUS_UNSUCCESSFUL;
6225 }
6226
6227 /* retrieve the dn for later use */
6228 dn = smbldap_talloc_dn(mem_ctx, priv2ld(ldap_state), entry);
6229 if (!dn) {
6230 DEBUG(0,("ldapsam_set_primary_group: Out of memory!\n"));
6231 return NT_STATUS_NO_MEMORY;
6232 }
6233
6234 /* remove the old one, and add the new one, this way we do not risk races */
6235 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "gidNumber", gidstr);
6236
6237 if (mods == NULL) {
6238 TALLOC_FREE(dn);
6239 return NT_STATUS_OK;
6240 }
6241
6242 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
6243 TALLOC_FREE(dn);
6244 if (rc != LDAP_SUCCESS) {
6245 DEBUG(0,("ldapsam_set_primary_group: failed to modify [%s] primary group to [%s]\n",
6246 pdb_get_username(sampass), gidstr));
6247 return NT_STATUS_UNSUCCESSFUL;
6248 }
6249
6250 flush_pwnam_cache();
6251
6252 return NT_STATUS_OK;
6253 }
6254
6255
6256 /**********************************************************************
6257 trusted domains functions
6258 *********************************************************************/
6259
6260 static char *trusteddom_dn(struct ldapsam_privates *ldap_state,
6261 const char *domain)
6262 {
6263 return talloc_asprintf(talloc_tos(), "sambaDomainName=%s,%s", domain,
6264 ldap_state->domain_dn);
6265 }
6266
6267 static bool get_trusteddom_pw_int(struct ldapsam_privates *ldap_state,
6268 TALLOC_CTX *mem_ctx,
6269 const char *domain, LDAPMessage **entry)
6270 {
6271 int rc;
6272 char *filter;
6273 int scope = LDAP_SCOPE_SUBTREE;
6274 const char **attrs = NULL; /* NULL: get all attrs */
6275 int attrsonly = 0; /* 0: return values too */
6276 LDAPMessage *result = NULL;
6277 char *trusted_dn;
6278 uint32_t num_result;
6279
6280 filter = talloc_asprintf(talloc_tos(),
6281 "(&(objectClass=%s)(sambaDomainName=%s))",
6282 LDAP_OBJ_TRUSTDOM_PASSWORD, domain);
6283
6284 trusted_dn = trusteddom_dn(ldap_state, domain);
6285 if (trusted_dn == NULL) {
6286 return False;
6287 }
6288 rc = smbldap_search(ldap_state->smbldap_state, trusted_dn, scope,
6289 filter, attrs, attrsonly, &result);
6290
6291 if (result != NULL) {
6292 smbldap_talloc_autofree_ldapmsg(mem_ctx, result);
6293 }
6294
6295 if (rc == LDAP_NO_SUCH_OBJECT) {
6296 *entry = NULL;
6297 return True;
6298 }
6299
6300 if (rc != LDAP_SUCCESS) {
6301 return False;
6302 }
6303
6304 num_result = ldap_count_entries(priv2ld(ldap_state), result);
6305
6306 if (num_result > 1) {
6307 DEBUG(1, ("ldapsam_get_trusteddom_pw: more than one "
6308 "%s object for domain '%s'?!\n",
6309 LDAP_OBJ_TRUSTDOM_PASSWORD, domain));
6310 return False;
6311 }
6312
6313 if (num_result == 0) {
6314 DEBUG(1, ("ldapsam_get_trusteddom_pw: no "
6315 "%s object for domain %s.\n",
6316 LDAP_OBJ_TRUSTDOM_PASSWORD, domain));
6317 *entry = NULL;
6318 } else {
6319 *entry = ldap_first_entry(priv2ld(ldap_state), result);
6320 }
6321
6322 return True;
6323 }
6324
6325 static bool ldapsam_get_trusteddom_pw(struct pdb_methods *methods,
6326 const char *domain,
6327 char** pwd,
6328 struct dom_sid *sid,
6329 time_t *pass_last_set_time)
6330 {
6331 struct ldapsam_privates *ldap_state =
6332 (struct ldapsam_privates *)methods->private_data;
6333 LDAPMessage *entry = NULL;
6334
6335 DEBUG(10, ("ldapsam_get_trusteddom_pw called for domain %s\n", domain));
6336
6337 if (!get_trusteddom_pw_int(ldap_state, talloc_tos(), domain, &entry) ||
6338 (entry == NULL))
6339 {
6340 return False;
6341 }
6342
6343 /* password */
6344 if (pwd != NULL) {
6345 char *pwd_str;
6346 pwd_str = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6347 entry, "sambaClearTextPassword", talloc_tos());
6348 if (pwd_str == NULL) {
6349 return False;
6350 }
6351 /* trusteddom_pw routines do not use talloc yet... */
6352 *pwd = SMB_STRDUP(pwd_str);
6353 if (*pwd == NULL) {
6354 return False;
6355 }
6356 }
6357
6358 /* last change time */
6359 if (pass_last_set_time != NULL) {
6360 char *time_str;
6361 time_str = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6362 entry, "sambaPwdLastSet", talloc_tos());
6363 if (time_str == NULL) {
6364 return False;
6365 }
6366 *pass_last_set_time = (time_t)atol(time_str);
6367 }
6368
6369 /* domain sid */
6370 if (sid != NULL) {
6371 char *sid_str;
6372 struct dom_sid dom_sid;
6373 sid_str = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6374 entry, "sambaSID",
6375 talloc_tos());
6376 if (sid_str == NULL) {
6377 return False;
6378 }
6379 if (!string_to_sid(&dom_sid, sid_str)) {
6380 return False;
6381 }
6382 sid_copy(sid, &dom_sid);
6383 }
6384
6385 return True;
6386 }
6387
6388 static bool ldapsam_set_trusteddom_pw(struct pdb_methods *methods,
6389 const char* domain,
6390 const char* pwd,
6391 const struct dom_sid *sid)
6392 {
6393 struct ldapsam_privates *ldap_state =
6394 (struct ldapsam_privates *)methods->private_data;
6395 LDAPMessage *entry = NULL;
6396 LDAPMod **mods = NULL;
6397 char *prev_pwd = NULL;
6398 char *trusted_dn = NULL;
6399 struct dom_sid_buf buf;
6400 int rc;
6401
6402 DEBUG(10, ("ldapsam_set_trusteddom_pw called for domain %s\n", domain));
6403
6404 /*
6405 * get the current entry (if there is one) in order to put the
6406 * current password into the previous password attribute
6407 */
6408 if (!get_trusteddom_pw_int(ldap_state, talloc_tos(), domain, &entry)) {
6409 return False;
6410 }
6411
6412 mods = NULL;
6413 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "objectClass",
6414 LDAP_OBJ_TRUSTDOM_PASSWORD);
6415 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "sambaDomainName",
6416 domain);
6417 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "sambaSID",
6418 dom_sid_str_buf(sid, &buf));
6419 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "sambaPwdLastSet",
6420 talloc_asprintf(talloc_tos(), "%li", (long int)time(NULL)));
6421 smbldap_make_mod(priv2ld(ldap_state), entry, &mods,
6422 "sambaClearTextPassword", pwd);
6423
6424 if (entry != NULL) {
6425 prev_pwd = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6426 entry, "sambaClearTextPassword", talloc_tos());
6427 if (prev_pwd != NULL) {
6428 smbldap_make_mod(priv2ld(ldap_state), entry, &mods,
6429 "sambaPreviousClearTextPassword",
6430 prev_pwd);
6431 }
6432 }
6433
6434 smbldap_talloc_autofree_ldapmod(talloc_tos(), mods);
6435
6436 trusted_dn = trusteddom_dn(ldap_state, domain);
6437 if (trusted_dn == NULL) {
6438 return False;
6439 }
6440 if (entry == NULL) {
6441 rc = smbldap_add(ldap_state->smbldap_state, trusted_dn, mods);
6442 } else {
6443 rc = smbldap_modify(ldap_state->smbldap_state, trusted_dn, mods);
6444 }
6445
6446 if (rc != LDAP_SUCCESS) {
6447 DEBUG(1, ("error writing trusted domain password!\n"));
6448 return False;
6449 }
6450
6451 return True;
6452 }
6453
6454 static bool ldapsam_del_trusteddom_pw(struct pdb_methods *methods,
6455 const char *domain)
6456 {
6457 int rc;
6458 struct ldapsam_privates *ldap_state =
6459 (struct ldapsam_privates *)methods->private_data;
6460 LDAPMessage *entry = NULL;
6461 const char *trusted_dn;
6462
6463 if (!get_trusteddom_pw_int(ldap_state, talloc_tos(), domain, &entry)) {
6464 return False;
6465 }
6466
6467 if (entry == NULL) {
6468 DEBUG(5, ("ldapsam_del_trusteddom_pw: no such trusted domain: "
6469 "%s\n", domain));
6470 return True;
6471 }
6472
6473 trusted_dn = smbldap_talloc_dn(talloc_tos(), priv2ld(ldap_state),
6474 entry);
6475 if (trusted_dn == NULL) {
6476 DEBUG(0,("ldapsam_del_trusteddom_pw: Out of memory!\n"));
6477 return False;
6478 }
6479
6480 rc = smbldap_delete(ldap_state->smbldap_state, trusted_dn);
6481 if (rc != LDAP_SUCCESS) {
6482 return False;
6483 }
6484
6485 return True;
6486 }
6487
6488 static NTSTATUS ldapsam_enum_trusteddoms(struct pdb_methods *methods,
6489 TALLOC_CTX *mem_ctx,
6490 uint32_t *num_domains,
6491 struct trustdom_info ***domains)
6492 {
6493 int rc;
6494 struct ldapsam_privates *ldap_state =
6495 (struct ldapsam_privates *)methods->private_data;
6496 char *filter;
6497 int scope = LDAP_SCOPE_SUBTREE;
6498 const char *attrs[] = { "sambaDomainName", "sambaSID", NULL };
6499 int attrsonly = 0; /* 0: return values too */
6500 LDAPMessage *result = NULL;
6501 LDAPMessage *entry = NULL;
6502
6503 filter = talloc_asprintf(talloc_tos(), "(objectClass=%s)",
6504 LDAP_OBJ_TRUSTDOM_PASSWORD);
6505
6506 rc = smbldap_search(ldap_state->smbldap_state,
6507 ldap_state->domain_dn,
6508 scope,
6509 filter,
6510 attrs,
6511 attrsonly,
6512 &result);
6513
6514 if (result != NULL) {
6515 smbldap_talloc_autofree_ldapmsg(mem_ctx, result);
6516 }
6517
6518 if (rc != LDAP_SUCCESS) {
6519 return NT_STATUS_UNSUCCESSFUL;
6520 }
6521
6522 *num_domains = 0;
6523 if (!(*domains = talloc_array(mem_ctx, struct trustdom_info *, 1))) {
6524 DEBUG(1, ("talloc failed\n"));
6525 return NT_STATUS_NO_MEMORY;
6526 }
6527
6528 for (entry = ldap_first_entry(priv2ld(ldap_state), result);
6529 entry != NULL;
6530 entry = ldap_next_entry(priv2ld(ldap_state), entry))
6531 {
6532 char *dom_name, *dom_sid_str;
6533 struct trustdom_info *dom_info;
6534
6535 dom_info = talloc(*domains, struct trustdom_info);
6536 if (dom_info == NULL) {
6537 DEBUG(1, ("talloc failed\n"));
6538 return NT_STATUS_NO_MEMORY;
6539 }
6540
6541 dom_name = smbldap_talloc_single_attribute(priv2ld(ldap_state),
6542 entry,
6543 "sambaDomainName",
6544 talloc_tos());
6545 if (dom_name == NULL) {
6546 DEBUG(1, ("talloc failed\n"));
6547 return NT_STATUS_NO_MEMORY;
6548 }
6549 dom_info->name = dom_name;
6550
6551 dom_sid_str = smbldap_talloc_single_attribute(
6552 priv2ld(ldap_state), entry, "sambaSID",
6553 talloc_tos());
6554 if (dom_sid_str == NULL) {
6555 DEBUG(1, ("talloc failed\n"));
6556 return NT_STATUS_NO_MEMORY;
6557 }
6558 if (!string_to_sid(&dom_info->sid, dom_sid_str)) {
6559 DEBUG(1, ("Error calling string_to_sid on SID %s\n",
6560 dom_sid_str));
6561 return NT_STATUS_UNSUCCESSFUL;
6562 }
6563
6564 ADD_TO_ARRAY(*domains, struct trustdom_info *, dom_info,
6565 domains, num_domains);
6566
6567 if (*domains == NULL) {
6568 DEBUG(1, ("talloc failed\n"));
6569 return NT_STATUS_NO_MEMORY;
6570 }
6571 }
6572
6573 DEBUG(5, ("ldapsam_enum_trusteddoms: got %d domains\n", *num_domains));
6574 return NT_STATUS_OK;
6575 }
6576
6577
6578 /**********************************************************************
6579 Housekeeping
6580 *********************************************************************/
6581
6582 static void free_private_data(void **vp)
6583 {
6584 struct ldapsam_privates **ldap_state = (struct ldapsam_privates **)vp;
6585
6586 smbldap_free_struct(&(*ldap_state)->smbldap_state);
6587
6588 if ((*ldap_state)->result != NULL) {
6589 ldap_msgfree((*ldap_state)->result);
6590 (*ldap_state)->result = NULL;
6591 }
6592 if ((*ldap_state)->domain_dn != NULL) {
6593 SAFE_FREE((*ldap_state)->domain_dn);
6594 }
6595
6596 *ldap_state = NULL;
6597
6598 /* No need to free any further, as it is talloc()ed */
6599 }
6600
6601 /*********************************************************************
6602 Intitalise the parts of the pdb_methods structure that are common to
6603 all pdb_ldap modes
6604 *********************************************************************/
6605
6606 static NTSTATUS pdb_init_ldapsam_common(struct pdb_methods **pdb_method, const char *location)
6607 {
6608 NTSTATUS nt_status;
6609 struct ldapsam_privates *ldap_state;
6610 char *bind_dn = NULL;
6611 char *bind_secret = NULL;
6612
6613 if (!NT_STATUS_IS_OK(nt_status = make_pdb_method( pdb_method ))) {
6614 return nt_status;
6615 }
6616
6617 (*pdb_method)->name = "ldapsam";
6618
6619 (*pdb_method)->getsampwnam = ldapsam_getsampwnam;
6620 (*pdb_method)->getsampwsid = ldapsam_getsampwsid;
6621 (*pdb_method)->add_sam_account = ldapsam_add_sam_account;
6622 (*pdb_method)->update_sam_account = ldapsam_update_sam_account;
6623 (*pdb_method)->delete_sam_account = ldapsam_delete_sam_account;
6624 (*pdb_method)->rename_sam_account = ldapsam_rename_sam_account;
6625
6626 (*pdb_method)->getgrsid = ldapsam_getgrsid;
6627 (*pdb_method)->getgrgid = ldapsam_getgrgid;
6628 (*pdb_method)->getgrnam = ldapsam_getgrnam;
6629 (*pdb_method)->add_group_mapping_entry = ldapsam_add_group_mapping_entry;
6630 (*pdb_method)->update_group_mapping_entry = ldapsam_update_group_mapping_entry;
6631 (*pdb_method)->delete_group_mapping_entry = ldapsam_delete_group_mapping_entry;
6632 (*pdb_method)->enum_group_mapping = ldapsam_enum_group_mapping;
6633
6634 (*pdb_method)->get_account_policy = ldapsam_get_account_policy;
6635 (*pdb_method)->set_account_policy = ldapsam_set_account_policy;
6636
6637 (*pdb_method)->get_seq_num = ldapsam_get_seq_num;
6638
6639 (*pdb_method)->capabilities = ldapsam_capabilities;
6640 (*pdb_method)->new_rid = ldapsam_new_rid;
6641
6642 (*pdb_method)->get_trusteddom_pw = ldapsam_get_trusteddom_pw;
6643 (*pdb_method)->set_trusteddom_pw = ldapsam_set_trusteddom_pw;
6644 (*pdb_method)->del_trusteddom_pw = ldapsam_del_trusteddom_pw;
6645 (*pdb_method)->enum_trusteddoms = ldapsam_enum_trusteddoms;
6646
6647 /* TODO: Setup private data and free */
6648
6649 if ( !(ldap_state = talloc_zero(*pdb_method, struct ldapsam_privates)) ) {
6650 DEBUG(0, ("pdb_init_ldapsam_common: talloc() failed for ldapsam private_data!\n"));
6651 return NT_STATUS_NO_MEMORY;
6652 }
6653
6654 if (!fetch_ldap_pw(&bind_dn, &bind_secret)) {
6655 DEBUG(0, ("pdb_init_ldapsam_common: Failed to retrieve LDAP password from secrets.tdb\n"));
6656 return NT_STATUS_NO_MEMORY;
6657 }
6658
6659 nt_status = smbldap_init(*pdb_method, pdb_get_tevent_context(),
6660 location, false, bind_dn, bind_secret,
6661 &ldap_state->smbldap_state);
6662 memset(bind_secret, '\0', strlen(bind_secret));
6663 SAFE_FREE(bind_secret);
6664 SAFE_FREE(bind_dn);
6665 if ( !NT_STATUS_IS_OK(nt_status) ) {
6666 return nt_status;
6667 }
6668
6669 if ( !(ldap_state->domain_name = talloc_strdup(*pdb_method, get_global_sam_name()) ) ) {
6670 return NT_STATUS_NO_MEMORY;
6671 }
6672
6673 (*pdb_method)->private_data = ldap_state;
6674
6675 (*pdb_method)->free_private_data = free_private_data;
6676
6677 return NT_STATUS_OK;
6678 }
6679
6680 static bool ldapsam_is_responsible_for_wellknown(struct pdb_methods *m)
6681 {
6682 return true;
6683 }
6684
6685 /**********************************************************************
6686 Initialise the normal mode for pdb_ldap
6687 *********************************************************************/
6688
6689 NTSTATUS pdb_ldapsam_init_common(struct pdb_methods **pdb_method,
6690 const char *location)
6691 {
6692 NTSTATUS nt_status;
6693 struct ldapsam_privates *ldap_state = NULL;
6694 uint32_t alg_rid_base;
6695 char *alg_rid_base_string = NULL;
6696 LDAPMessage *result = NULL;
6697 LDAPMessage *entry = NULL;
6698 struct dom_sid ldap_domain_sid;
6699 struct dom_sid secrets_domain_sid;
6700 char *domain_sid_string = NULL;
6701 char *dn = NULL;
6702 char *uri = talloc_strdup( NULL, location );
6703
6704 trim_char( uri, '\"', '\"' );
6705 nt_status = pdb_init_ldapsam_common(pdb_method, uri);
6706
6707 TALLOC_FREE(uri);
6708
6709 if (!NT_STATUS_IS_OK(nt_status)) {
6710 return nt_status;
6711 }
6712
6713 (*pdb_method)->name = "ldapsam";
6714
6715 (*pdb_method)->add_aliasmem = ldapsam_add_aliasmem;
6716 (*pdb_method)->del_aliasmem = ldapsam_del_aliasmem;
6717 (*pdb_method)->enum_aliasmem = ldapsam_enum_aliasmem;
6718 (*pdb_method)->enum_alias_memberships = ldapsam_alias_memberships;
6719 (*pdb_method)->search_users = ldapsam_search_users;
6720 (*pdb_method)->search_groups = ldapsam_search_groups;
6721 (*pdb_method)->search_aliases = ldapsam_search_aliases;
6722 (*pdb_method)->is_responsible_for_wellknown =
6723 ldapsam_is_responsible_for_wellknown;
6724
6725 if (lp_parm_bool(-1, "ldapsam", "trusted", False)) {
6726 (*pdb_method)->enum_group_members = ldapsam_enum_group_members;
6727 (*pdb_method)->enum_group_memberships =
6728 ldapsam_enum_group_memberships;
6729 (*pdb_method)->lookup_rids = ldapsam_lookup_rids;
6730 (*pdb_method)->sid_to_id = ldapsam_sid_to_id;
6731 (*pdb_method)->id_to_sid = ldapsam_id_to_sid;
6732
6733 if (lp_parm_bool(-1, "ldapsam", "editposix", False)) {
6734 (*pdb_method)->create_user = ldapsam_create_user;
6735 (*pdb_method)->delete_user = ldapsam_delete_user;
6736 (*pdb_method)->create_dom_group = ldapsam_create_dom_group;
6737 (*pdb_method)->delete_dom_group = ldapsam_delete_dom_group;
6738 (*pdb_method)->add_groupmem = ldapsam_add_groupmem;
6739 (*pdb_method)->del_groupmem = ldapsam_del_groupmem;
6740 (*pdb_method)->set_unix_primary_group = ldapsam_set_primary_group;
6741 }
6742 }
6743
6744 ldap_state = (struct ldapsam_privates *)((*pdb_method)->private_data);
6745 ldap_state->schema_ver = SCHEMAVER_SAMBASAMACCOUNT;
6746
6747 /* Try to setup the Domain Name, Domain SID, algorithmic rid base */
6748
6749 nt_status = smbldap_search_domain_info(ldap_state->smbldap_state,
6750 &result,
6751 ldap_state->domain_name, True);
6752
6753 if ( !NT_STATUS_IS_OK(nt_status) ) {
6754 DEBUG(0, ("pdb_init_ldapsam: WARNING: Could not get domain "
6755 "info, nor add one to the domain. "
6756 "We cannot work reliably without it.\n"));
6757 return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
6758 }
6759
6760 /* Given that the above might fail, everything below this must be
6761 * optional */
6762
6763 entry = ldap_first_entry(smbldap_get_ldap(ldap_state->smbldap_state),
6764 result);
6765 if (!entry) {
6766 DEBUG(0, ("pdb_init_ldapsam: Could not get domain info "
6767 "entry\n"));
6768 ldap_msgfree(result);
6769 return NT_STATUS_UNSUCCESSFUL;
6770 }
6771
6772 dn = smbldap_talloc_dn(talloc_tos(),
6773 smbldap_get_ldap(ldap_state->smbldap_state),
6774 entry);
6775 if (!dn) {
6776 ldap_msgfree(result);
6777 return NT_STATUS_UNSUCCESSFUL;
6778 }
6779
6780 ldap_state->domain_dn = smb_xstrdup(dn);
6781 TALLOC_FREE(dn);
6782
6783 domain_sid_string = smbldap_talloc_single_attribute(
6784 smbldap_get_ldap(ldap_state->smbldap_state),
6785 entry,
6786 get_userattr_key2string(ldap_state->schema_ver,
6787 LDAP_ATTR_USER_SID),
6788 talloc_tos());
6789
6790 if (domain_sid_string) {
6791 bool found_sid;
6792 if (!string_to_sid(&ldap_domain_sid, domain_sid_string)) {
6793 DEBUG(1, ("pdb_init_ldapsam: SID [%s] could not be "
6794 "read as a valid SID\n", domain_sid_string));
6795 ldap_msgfree(result);
6796 TALLOC_FREE(domain_sid_string);
6797 return NT_STATUS_INVALID_PARAMETER;
6798 }
6799 found_sid = PDB_secrets_fetch_domain_sid(ldap_state->domain_name,
6800 &secrets_domain_sid);
6801 if (!found_sid || !dom_sid_equal(&secrets_domain_sid,
6802 &ldap_domain_sid)) {
6803 struct dom_sid_buf buf1, buf2;
6804 DEBUG(1, ("pdb_init_ldapsam: Resetting SID for domain "
6805 "%s based on pdb_ldap results %s -> %s\n",
6806 ldap_state->domain_name,
6807 dom_sid_str_buf(&secrets_domain_sid, &buf1),
6808 dom_sid_str_buf(&ldap_domain_sid, &buf2)));
6809
6810 /* reset secrets.tdb sid */
6811 PDB_secrets_store_domain_sid(ldap_state->domain_name,
6812 &ldap_domain_sid);
6813 DEBUG(1, ("New global sam SID: %s\n",
6814 dom_sid_str_buf(get_global_sam_sid(),
6815 &buf1)));
6816 }
6817 sid_copy(&ldap_state->domain_sid, &ldap_domain_sid);
6818 TALLOC_FREE(domain_sid_string);
6819 }
6820
6821 alg_rid_base_string = smbldap_talloc_single_attribute(
6822 smbldap_get_ldap(ldap_state->smbldap_state),
6823 entry,
6824 get_attr_key2string( dominfo_attr_list,
6825 LDAP_ATTR_ALGORITHMIC_RID_BASE ),
6826 talloc_tos());
6827 if (alg_rid_base_string) {
6828 alg_rid_base = (uint32_t)atol(alg_rid_base_string);
6829 if (alg_rid_base != algorithmic_rid_base()) {
6830 DEBUG(0, ("The value of 'algorithmic RID base' has "
6831 "changed since the LDAP\n"
6832 "database was initialised. Aborting. \n"));
6833 ldap_msgfree(result);
6834 TALLOC_FREE(alg_rid_base_string);
6835 return NT_STATUS_UNSUCCESSFUL;
6836 }
6837 TALLOC_FREE(alg_rid_base_string);
6838 }
6839 ldap_msgfree(result);
6840
6841 return NT_STATUS_OK;
6842 }
6843
6844 NTSTATUS pdb_ldapsam_init(TALLOC_CTX *ctx)
6845 {
6846 NTSTATUS nt_status;
6847
6848 nt_status = smb_register_passdb(PASSDB_INTERFACE_VERSION,
6849 "ldapsam",
6850 pdb_ldapsam_init_common);
6851 if (!NT_STATUS_IS_OK(nt_status)) {
6852 return nt_status;
6853 }
6854
6855 /* Let pdb_nds register backends */
6856 pdb_nds_init(ctx);
6857
6858 return NT_STATUS_OK;
6859 }
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