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r15152: Fix a case when target is offline. Jerry, this needs to be in 3.0.23pre1
[Samba.git] / source / passdb / pdb_ldap.c
blob1e3a5fdb6f055e5cdb58cb3aad0f39aa81ddf0e9
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 2 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, write to the Free Software
23 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24
25 */
26
27 /* TODO:
28 * persistent connections: if using NSS LDAP, many connections are made
29 * however, using only one within Samba would be nice
30 *
31 * Clean up SSL stuff, compile on OpenLDAP 1.x, 2.x, and Netscape SDK
32 *
33 * Other LDAP based login attributes: accountExpires, etc.
34 * (should be the domain of Samba proper, but the sam_password/struct samu
35 * structures don't have fields for some of these attributes)
36 *
37 * SSL is done, but can't get the certificate based authentication to work
38 * against on my test platform (Linux 2.4, OpenLDAP 2.x)
39 */
40
41 /* NOTE: this will NOT work against an Active Directory server
42 * due to the fact that the two password fields cannot be retrieved
43 * from a server; recommend using security = domain in this situation
44 * and/or winbind
45 */
46
47 #include "includes.h"
48
49 #undef DBGC_CLASS
50 #define DBGC_CLASS DBGC_PASSDB
51
52 #include <lber.h>
53 #include <ldap.h>
54
55 /*
56 * Work around versions of the LDAP client libs that don't have the OIDs
57 * defined, or have them defined under the old name.
58 * This functionality is really a factor of the server, not the client
59 *
60 */
61
62 #if defined(LDAP_EXOP_X_MODIFY_PASSWD) && !defined(LDAP_EXOP_MODIFY_PASSWD)
63 #define LDAP_EXOP_MODIFY_PASSWD LDAP_EXOP_X_MODIFY_PASSWD
64 #elif !defined(LDAP_EXOP_MODIFY_PASSWD)
65 #define LDAP_EXOP_MODIFY_PASSWD "1.3.6.1.4.1.4203.1.11.1"
66 #endif
67
68 #if defined(LDAP_EXOP_X_MODIFY_PASSWD_ID) && !defined(LDAP_EXOP_MODIFY_PASSWD_ID)
69 #define LDAP_TAG_EXOP_MODIFY_PASSWD_ID LDAP_EXOP_X_MODIFY_PASSWD_ID
70 #elif !defined(LDAP_EXOP_MODIFY_PASSWD_ID)
71 #define LDAP_TAG_EXOP_MODIFY_PASSWD_ID ((ber_tag_t) 0x80U)
72 #endif
73
74 #if defined(LDAP_EXOP_X_MODIFY_PASSWD_NEW) && !defined(LDAP_EXOP_MODIFY_PASSWD_NEW)
75 #define LDAP_TAG_EXOP_MODIFY_PASSWD_NEW LDAP_EXOP_X_MODIFY_PASSWD_NEW
76 #elif !defined(LDAP_EXOP_MODIFY_PASSWD_NEW)
77 #define LDAP_TAG_EXOP_MODIFY_PASSWD_NEW ((ber_tag_t) 0x82U)
78 #endif
79
80
81 #include "smbldap.h"
82
83 /**********************************************************************
84 Simple helper function to make stuff better readable
85 **********************************************************************/
86
87 static LDAP *priv2ld(struct ldapsam_privates *priv)
88 {
89 return priv->smbldap_state->ldap_struct;
90 }
91
92 /**********************************************************************
93 Get the attribute name given a user schame version.
94 **********************************************************************/
95
96 static const char* get_userattr_key2string( int schema_ver, int key )
97 {
98 switch ( schema_ver ) {
99 case SCHEMAVER_SAMBAACCOUNT:
100 return get_attr_key2string( attrib_map_v22, key );
101
102 case SCHEMAVER_SAMBASAMACCOUNT:
103 return get_attr_key2string( attrib_map_v30, key );
104
105 default:
106 DEBUG(0,("get_userattr_key2string: unknown schema version specified\n"));
107 break;
108 }
109 return NULL;
110 }
111
112 /**********************************************************************
113 Return the list of attribute names given a user schema version.
114 **********************************************************************/
115
116 const char** get_userattr_list( TALLOC_CTX *mem_ctx, int schema_ver )
117 {
118 switch ( schema_ver ) {
119 case SCHEMAVER_SAMBAACCOUNT:
120 return get_attr_list( mem_ctx, attrib_map_v22 );
121
122 case SCHEMAVER_SAMBASAMACCOUNT:
123 return get_attr_list( mem_ctx, attrib_map_v30 );
124 default:
125 DEBUG(0,("get_userattr_list: unknown schema version specified!\n"));
126 break;
127 }
128
129 return NULL;
130 }
131
132 /**************************************************************************
133 Return the list of attribute names to delete given a user schema version.
134 **************************************************************************/
135
136 static const char** get_userattr_delete_list( TALLOC_CTX *mem_ctx,
137 int schema_ver )
138 {
139 switch ( schema_ver ) {
140 case SCHEMAVER_SAMBAACCOUNT:
141 return get_attr_list( mem_ctx,
142 attrib_map_to_delete_v22 );
143
144 case SCHEMAVER_SAMBASAMACCOUNT:
145 return get_attr_list( mem_ctx,
146 attrib_map_to_delete_v30 );
147 default:
148 DEBUG(0,("get_userattr_delete_list: unknown schema version specified!\n"));
149 break;
150 }
151
152 return NULL;
153 }
154
155
156 /*******************************************************************
157 Generate the LDAP search filter for the objectclass based on the
158 version of the schema we are using.
159 ******************************************************************/
160
161 static const char* get_objclass_filter( int schema_ver )
162 {
163 static fstring objclass_filter;
164
165 switch( schema_ver ) {
166 case SCHEMAVER_SAMBAACCOUNT:
167 fstr_sprintf( objclass_filter, "(objectclass=%s)", LDAP_OBJ_SAMBAACCOUNT );
168 break;
169 case SCHEMAVER_SAMBASAMACCOUNT:
170 fstr_sprintf( objclass_filter, "(objectclass=%s)", LDAP_OBJ_SAMBASAMACCOUNT );
171 break;
172 default:
173 DEBUG(0,("get_objclass_filter: Invalid schema version specified!\n"));
174 break;
175 }
176
177 return objclass_filter;
178 }
179
180 /*****************************************************************
181 Scan a sequence number off OpenLDAP's syncrepl contextCSN
182 ******************************************************************/
183
184 static NTSTATUS ldapsam_get_seq_num(struct pdb_methods *my_methods, time_t *seq_num)
185 {
186 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
187 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
188 LDAPMessage *msg = NULL;
189 LDAPMessage *entry = NULL;
190 TALLOC_CTX *mem_ctx;
191 char **values = NULL;
192 int rc, num_result, num_values, rid;
193 pstring suffix;
194 fstring tok;
195 const char *p;
196 const char **attrs;
197
198 /* Unfortunatly there is no proper way to detect syncrepl-support in
199 * smbldap_connect_system(). The syncrepl OIDs are submitted for publication
200 * but do not show up in the root-DSE yet. Neither we can query the
201 * subschema-context for the syncProviderSubentry or syncConsumerSubentry
202 * objectclass. Currently we require lp_ldap_suffix() to show up as
203 * namingContext. - Guenther
204 */
205
206 if (!lp_parm_bool(-1, "ldapsam", "syncrepl_seqnum", False)) {
207 return ntstatus;
208 }
209
210 if (!seq_num) {
211 DEBUG(3,("ldapsam_get_seq_num: no sequence_number\n"));
212 return ntstatus;
213 }
214
215 if (!smbldap_has_naming_context(ldap_state->smbldap_state, lp_ldap_suffix())) {
216 DEBUG(3,("ldapsam_get_seq_num: DIT not configured to hold %s "
217 "as top-level namingContext\n", lp_ldap_suffix()));
218 return ntstatus;
219 }
220
221 mem_ctx = talloc_init("ldapsam_get_seq_num");
222
223 if (mem_ctx == NULL)
224 return NT_STATUS_NO_MEMORY;
225
226 attrs = TALLOC_ARRAY(mem_ctx, const char *, 2);
227
228 /* if we got a syncrepl-rid (up to three digits long) we speak with a consumer */
229 rid = lp_parm_int(-1, "ldapsam", "syncrepl_rid", -1);
230 if (rid > 0) {
231
232 /* consumer syncreplCookie: */
233 /* csn=20050126161620Z#0000001#00#00000 */
234 attrs[0] = talloc_strdup(mem_ctx, "syncreplCookie");
235 attrs[1] = NULL;
236 pstr_sprintf( suffix, "cn=syncrepl%d,%s", rid, lp_ldap_suffix());
237
238 } else {
239
240 /* provider contextCSN */
241 /* 20050126161620Z#000009#00#000000 */
242 attrs[0] = talloc_strdup(mem_ctx, "contextCSN");
243 attrs[1] = NULL;
244 pstr_sprintf( suffix, "cn=ldapsync,%s", lp_ldap_suffix());
245
246 }
247
248 rc = smbldap_search(ldap_state->smbldap_state, suffix,
249 LDAP_SCOPE_BASE, "(objectclass=*)", attrs, 0, &msg);
250
251 if (rc != LDAP_SUCCESS) {
252 goto done;
253 }
254
255 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg);
256 if (num_result != 1) {
257 DEBUG(3,("ldapsam_get_seq_num: Expected one entry, got %d\n", num_result));
258 goto done;
259 }
260
261 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg);
262 if (entry == NULL) {
263 DEBUG(3,("ldapsam_get_seq_num: Could not retrieve entry\n"));
264 goto done;
265 }
266
267 values = ldap_get_values(ldap_state->smbldap_state->ldap_struct, entry, attrs[0]);
268 if (values == NULL) {
269 DEBUG(3,("ldapsam_get_seq_num: no values\n"));
270 goto done;
271 }
272
273 num_values = ldap_count_values(values);
274 if (num_values == 0) {
275 DEBUG(3,("ldapsam_get_seq_num: not a single value\n"));
276 goto done;
277 }
278
279 p = values[0];
280 if (!next_token(&p, tok, "#", sizeof(tok))) {
281 DEBUG(0,("ldapsam_get_seq_num: failed to parse sequence number\n"));
282 goto done;
283 }
284
285 p = tok;
286 if (!strncmp(p, "csn=", strlen("csn=")))
287 p += strlen("csn=");
288
289 DEBUG(10,("ldapsam_get_seq_num: got %s: %s\n", attrs[0], p));
290
291 *seq_num = generalized_to_unix_time(p);
292
293 /* very basic sanity check */
294 if (*seq_num <= 0) {
295 DEBUG(3,("ldapsam_get_seq_num: invalid sequence number: %d\n",
296 (int)*seq_num));
297 goto done;
298 }
299
300 ntstatus = NT_STATUS_OK;
301
302 done:
303 if (values != NULL)
304 ldap_value_free(values);
305 if (msg != NULL)
306 ldap_msgfree(msg);
307 if (mem_ctx)
308 talloc_destroy(mem_ctx);
309
310 return ntstatus;
311 }
312
313 /*******************************************************************
314 Run the search by name.
315 ******************************************************************/
316
317 int ldapsam_search_suffix_by_name(struct ldapsam_privates *ldap_state,
318 const char *user,
319 LDAPMessage ** result,
320 const char **attr)
321 {
322 pstring filter;
323 char *escape_user = escape_ldap_string_alloc(user);
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 pstr_sprintf(filter, "(&%s%s)", "(uid=%u)",
334 get_objclass_filter(ldap_state->schema_ver));
335
336 /*
337 * have to use this here because $ is filtered out
338 * in pstring_sub
339 */
340
341
342 all_string_sub(filter, "%u", escape_user, sizeof(pstring));
343 SAFE_FREE(escape_user);
344
345 return smbldap_search_suffix(ldap_state->smbldap_state, filter, attr, result);
346 }
347
348 /*******************************************************************
349 Run the search by rid.
350 ******************************************************************/
351
352 static int ldapsam_search_suffix_by_rid (struct ldapsam_privates *ldap_state,
353 uint32 rid, LDAPMessage ** result,
354 const char **attr)
355 {
356 pstring filter;
357 int rc;
358
359 pstr_sprintf(filter, "(&(rid=%i)%s)", rid,
360 get_objclass_filter(ldap_state->schema_ver));
361
362 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, attr, result);
363
364 return rc;
365 }
366
367 /*******************************************************************
368 Run the search by SID.
369 ******************************************************************/
370
371 static int ldapsam_search_suffix_by_sid (struct ldapsam_privates *ldap_state,
372 const DOM_SID *sid, LDAPMessage ** result,
373 const char **attr)
374 {
375 pstring filter;
376 int rc;
377 fstring sid_string;
378
379 pstr_sprintf(filter, "(&(%s=%s)%s)",
380 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_SID),
381 sid_to_string(sid_string, sid),
382 get_objclass_filter(ldap_state->schema_ver));
383
384 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, attr, result);
385
386 return rc;
387 }
388
389 /*******************************************************************
390 Delete complete object or objectclass and attrs from
391 object found in search_result depending on lp_ldap_delete_dn
392 ******************************************************************/
393
394 static int ldapsam_delete_entry(struct ldapsam_privates *priv,
395 TALLOC_CTX *mem_ctx,
396 LDAPMessage *entry,
397 const char *objectclass,
398 const char **attrs)
399 {
400 LDAPMod **mods = NULL;
401 char *name;
402 const char *dn;
403 BerElement *ptr = NULL;
404
405 dn = smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry);
406 if (dn == NULL) {
407 return LDAP_NO_MEMORY;
408 }
409
410 if (lp_ldap_delete_dn()) {
411 return smbldap_delete(priv->smbldap_state, dn);
412 }
413
414 /* Ok, delete only the SAM attributes */
415
416 for (name = ldap_first_attribute(priv2ld(priv), entry, &ptr);
417 name != NULL;
418 name = ldap_next_attribute(priv2ld(priv), entry, ptr)) {
419 const char **attrib;
420
421 /* We are only allowed to delete the attributes that
422 really exist. */
423
424 for (attrib = attrs; *attrib != NULL; attrib++) {
425 if (strequal(*attrib, name)) {
426 DEBUG(10, ("ldapsam_delete_entry: deleting "
427 "attribute %s\n", name));
428 smbldap_set_mod(&mods, LDAP_MOD_DELETE, name,
429 NULL);
430 }
431 }
432 ldap_memfree(name);
433 }
434
435 if (ptr != NULL) {
436 ber_free(ptr, 0);
437 }
438
439 smbldap_set_mod(&mods, LDAP_MOD_DELETE, "objectClass", objectclass);
440 talloc_autofree_ldapmod(mem_ctx, mods);
441
442 return smbldap_modify(priv->smbldap_state, dn, mods);
443 }
444
445 static time_t ldapsam_get_entry_timestamp( struct ldapsam_privates *ldap_state, LDAPMessage * entry)
446 {
447 pstring temp;
448 struct tm tm;
449
450 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
451 get_userattr_key2string(ldap_state->schema_ver,LDAP_ATTR_MOD_TIMESTAMP),
452 temp))
453 return (time_t) 0;
454
455 strptime(temp, "%Y%m%d%H%M%SZ", &tm);
456 tzset();
457 return timegm(&tm);
458 }
459
460 /**********************************************************************
461 Initialize struct samu from an LDAP query.
462 (Based on init_sam_from_buffer in pdb_tdb.c)
463 *********************************************************************/
464
465 static BOOL init_sam_from_ldap(struct ldapsam_privates *ldap_state,
466 struct samu * sampass,
467 LDAPMessage * entry)
468 {
469 time_t logon_time,
470 logoff_time,
471 kickoff_time,
472 pass_last_set_time,
473 pass_can_change_time,
474 pass_must_change_time,
475 ldap_entry_time,
476 bad_password_time;
477 pstring username,
478 domain,
479 nt_username,
480 fullname,
481 homedir,
482 dir_drive,
483 logon_script,
484 profile_path,
485 acct_desc,
486 workstations;
487 char munged_dial[2048];
488 uint32 user_rid;
489 uint8 smblmpwd[LM_HASH_LEN],
490 smbntpwd[NT_HASH_LEN];
491 BOOL use_samba_attrs = True;
492 uint32 acct_ctrl = 0;
493 uint16 logon_divs;
494 uint16 bad_password_count = 0,
495 logon_count = 0;
496 uint32 hours_len;
497 uint8 hours[MAX_HOURS_LEN];
498 pstring temp;
499 LOGIN_CACHE *cache_entry = NULL;
500 uint32 pwHistLen;
501 pstring tmpstring;
502 BOOL expand_explicit = lp_passdb_expand_explicit();
503
504 /*
505 * do a little initialization
506 */
507 username[0] = '\0';
508 domain[0] = '\0';
509 nt_username[0] = '\0';
510 fullname[0] = '\0';
511 homedir[0] = '\0';
512 dir_drive[0] = '\0';
513 logon_script[0] = '\0';
514 profile_path[0] = '\0';
515 acct_desc[0] = '\0';
516 munged_dial[0] = '\0';
517 workstations[0] = '\0';
518
519
520 if (sampass == NULL || ldap_state == NULL || entry == NULL) {
521 DEBUG(0, ("init_sam_from_ldap: NULL parameters found!\n"));
522 return False;
523 }
524
525 if (priv2ld(ldap_state) == NULL) {
526 DEBUG(0, ("init_sam_from_ldap: ldap_state->smbldap_state->"
527 "ldap_struct is NULL!\n"));
528 return False;
529 }
530
531 if (!smbldap_get_single_pstring(priv2ld(ldap_state), entry, "uid",
532 username)) {
533 DEBUG(1, ("init_sam_from_ldap: No uid attribute found for "
534 "this user!\n"));
535 return False;
536 }
537
538 DEBUG(2, ("init_sam_from_ldap: Entry found for user: %s\n", username));
539
540 pstrcpy(nt_username, username);
541
542 pstrcpy(domain, ldap_state->domain_name);
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 (smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
553 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_SID), temp)) {
554 pdb_set_user_sid_from_string(sampass, temp, PDB_SET);
555 }
556 } else {
557 if (smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
558 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_RID), temp)) {
559 user_rid = (uint32)atol(temp);
560 pdb_set_user_sid_from_rid(sampass, user_rid, PDB_SET);
561 }
562 }
563
564 if (pdb_get_init_flags(sampass,PDB_USERSID) == PDB_DEFAULT) {
565 DEBUG(1, ("init_sam_from_ldap: no %s or %s attribute found for this user %s\n",
566 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_SID),
567 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_RID),
568 username));
569 return False;
570 }
571
572 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
573 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_LAST_SET), temp)) {
574 /* leave as default */
575 } else {
576 pass_last_set_time = (time_t) atol(temp);
577 pdb_set_pass_last_set_time(sampass, pass_last_set_time, PDB_SET);
578 }
579
580 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
581 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_TIME), temp)) {
582 /* leave as default */
583 } else {
584 logon_time = (time_t) atol(temp);
585 pdb_set_logon_time(sampass, logon_time, PDB_SET);
586 }
587
588 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
589 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGOFF_TIME), temp)) {
590 /* leave as default */
591 } else {
592 logoff_time = (time_t) atol(temp);
593 pdb_set_logoff_time(sampass, logoff_time, PDB_SET);
594 }
595
596 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
597 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_KICKOFF_TIME), temp)) {
598 /* leave as default */
599 } else {
600 kickoff_time = (time_t) atol(temp);
601 pdb_set_kickoff_time(sampass, kickoff_time, PDB_SET);
602 }
603
604 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
605 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_CAN_CHANGE), temp)) {
606 /* leave as default */
607 } else {
608 pass_can_change_time = (time_t) atol(temp);
609 pdb_set_pass_can_change_time(sampass, pass_can_change_time, PDB_SET);
610 }
611
612 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
613 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_MUST_CHANGE), temp)) {
614 /* leave as default */
615 } else {
616 pass_must_change_time = (time_t) atol(temp);
617 pdb_set_pass_must_change_time(sampass, pass_must_change_time, PDB_SET);
618 }
619
620 /* recommend that 'gecos' and 'displayName' should refer to the same
621 * attribute OID. userFullName depreciated, only used by Samba
622 * primary rules of LDAP: don't make a new attribute when one is already defined
623 * that fits your needs; using cn then displayName rather than 'userFullName'
624 */
625
626 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
627 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DISPLAY_NAME), fullname)) {
628 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
629 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_CN), fullname)) {
630 /* leave as default */
631 } else {
632 pdb_set_fullname(sampass, fullname, PDB_SET);
633 }
634 } else {
635 pdb_set_fullname(sampass, fullname, PDB_SET);
636 }
637
638 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
639 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_DRIVE), dir_drive))
640 {
641 pdb_set_dir_drive( sampass, lp_logon_drive(), PDB_DEFAULT );
642 } else {
643 pdb_set_dir_drive(sampass, dir_drive, PDB_SET);
644 }
645
646 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
647 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_PATH), homedir))
648 {
649 pdb_set_homedir( sampass,
650 talloc_sub_basic(sampass, username, lp_logon_home()),
651 PDB_DEFAULT );
652 } else {
653 pstrcpy( tmpstring, homedir );
654 if (expand_explicit) {
655 standard_sub_basic( username, tmpstring,
656 sizeof(tmpstring) );
657 }
658 pdb_set_homedir(sampass, tmpstring, PDB_SET);
659 }
660
661 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
662 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_SCRIPT), logon_script))
663 {
664 pdb_set_logon_script( sampass,
665 talloc_sub_basic(sampass, username, lp_logon_script()),
666 PDB_DEFAULT );
667 } else {
668 pstrcpy( tmpstring, logon_script );
669 if (expand_explicit) {
670 standard_sub_basic( username, tmpstring,
671 sizeof(tmpstring) );
672 }
673 pdb_set_logon_script(sampass, tmpstring, PDB_SET);
674 }
675
676 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
677 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PROFILE_PATH), profile_path))
678 {
679 pdb_set_profile_path( sampass,
680 talloc_sub_basic( sampass, username, lp_logon_path()),
681 PDB_DEFAULT );
682 } else {
683 pstrcpy( tmpstring, profile_path );
684 if (expand_explicit) {
685 standard_sub_basic( username, tmpstring,
686 sizeof(tmpstring) );
687 }
688 pdb_set_profile_path(sampass, tmpstring, PDB_SET);
689 }
690
691 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
692 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DESC), acct_desc))
693 {
694 /* leave as default */
695 } else {
696 pdb_set_acct_desc(sampass, acct_desc, PDB_SET);
697 }
698
699 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
700 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_WKS), workstations)) {
701 /* leave as default */;
702 } else {
703 pdb_set_workstations(sampass, workstations, PDB_SET);
704 }
705
706 if (!smbldap_get_single_attribute(ldap_state->smbldap_state->ldap_struct, entry,
707 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_MUNGED_DIAL), munged_dial, sizeof(munged_dial))) {
708 /* leave as default */;
709 } else {
710 pdb_set_munged_dial(sampass, munged_dial, PDB_SET);
711 }
712
713 /* FIXME: hours stuff should be cleaner */
714
715 logon_divs = 168;
716 hours_len = 21;
717 memset(hours, 0xff, hours_len);
718
719 if (ldap_state->is_nds_ldap) {
720 char *user_dn;
721 size_t pwd_len;
722 char clear_text_pw[512];
723
724 /* Make call to Novell eDirectory ldap extension to get clear text password.
725 NOTE: This will only work if we have an SSL connection to eDirectory. */
726 user_dn = smbldap_get_dn(ldap_state->smbldap_state->ldap_struct, entry);
727 if (user_dn != NULL) {
728 DEBUG(3, ("init_sam_from_ldap: smbldap_get_dn(%s) returned '%s'\n", username, user_dn));
729
730 pwd_len = sizeof(clear_text_pw);
731 if (pdb_nds_get_password(ldap_state->smbldap_state, user_dn, &pwd_len, clear_text_pw) == LDAP_SUCCESS) {
732 nt_lm_owf_gen(clear_text_pw, smbntpwd, smblmpwd);
733 if (!pdb_set_lanman_passwd(sampass, smblmpwd, PDB_SET))
734 return False;
735 ZERO_STRUCT(smblmpwd);
736 if (!pdb_set_nt_passwd(sampass, smbntpwd, PDB_SET))
737 return False;
738 ZERO_STRUCT(smbntpwd);
739 use_samba_attrs = False;
740 }
741 } else {
742 DEBUG(0, ("init_sam_from_ldap: failed to get user_dn for '%s'\n", username));
743 }
744 }
745
746 if (use_samba_attrs) {
747 if (!smbldap_get_single_pstring (ldap_state->smbldap_state->ldap_struct, entry,
748 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LMPW), temp)) {
749 /* leave as default */
750 } else {
751 pdb_gethexpwd(temp, smblmpwd);
752 memset((char *)temp, '\0', strlen(temp)+1);
753 if (!pdb_set_lanman_passwd(sampass, smblmpwd, PDB_SET))
754 return False;
755 ZERO_STRUCT(smblmpwd);
756 }
757
758 if (!smbldap_get_single_pstring (ldap_state->smbldap_state->ldap_struct, entry,
759 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_NTPW), temp)) {
760 /* leave as default */
761 } else {
762 pdb_gethexpwd(temp, smbntpwd);
763 memset((char *)temp, '\0', strlen(temp)+1);
764 if (!pdb_set_nt_passwd(sampass, smbntpwd, PDB_SET))
765 return False;
766 ZERO_STRUCT(smbntpwd);
767 }
768 }
769
770 pwHistLen = 0;
771
772 pdb_get_account_policy(AP_PASSWORD_HISTORY, &pwHistLen);
773 if (pwHistLen > 0){
774 uint8 *pwhist = NULL;
775 int i;
776
777 /* We can only store (sizeof(pstring)-1)/64 password history entries. */
778 pwHistLen = MIN(pwHistLen, ((sizeof(temp)-1)/64));
779
780 if ((pwhist = SMB_MALLOC(pwHistLen * PW_HISTORY_ENTRY_LEN)) == NULL){
781 DEBUG(0, ("init_sam_from_ldap: malloc failed!\n"));
782 return False;
783 }
784 memset(pwhist, '\0', pwHistLen * PW_HISTORY_ENTRY_LEN);
785
786 if (!smbldap_get_single_pstring (ldap_state->smbldap_state->ldap_struct, entry,
787 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_HISTORY), temp)) {
788 /* leave as default - zeros */
789 } else {
790 BOOL hex_failed = False;
791 for (i = 0; i < pwHistLen; i++){
792 /* Get the 16 byte salt. */
793 if (!pdb_gethexpwd(&temp[i*64], &pwhist[i*PW_HISTORY_ENTRY_LEN])) {
794 hex_failed = True;
795 break;
796 }
797 /* Get the 16 byte MD5 hash of salt+passwd. */
798 if (!pdb_gethexpwd(&temp[(i*64)+32],
799 &pwhist[(i*PW_HISTORY_ENTRY_LEN)+PW_HISTORY_SALT_LEN])) {
800 hex_failed = True;
801 break;
802 }
803 }
804 if (hex_failed) {
805 DEBUG(0,("init_sam_from_ldap: Failed to get password history for user %s\n",
806 username));
807 memset(pwhist, '\0', pwHistLen * PW_HISTORY_ENTRY_LEN);
808 }
809 }
810 if (!pdb_set_pw_history(sampass, pwhist, pwHistLen, PDB_SET)){
811 SAFE_FREE(pwhist);
812 return False;
813 }
814 SAFE_FREE(pwhist);
815 }
816
817 if (!smbldap_get_single_pstring (ldap_state->smbldap_state->ldap_struct, entry,
818 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_ACB_INFO), temp)) {
819 acct_ctrl |= ACB_NORMAL;
820 } else {
821 acct_ctrl = pdb_decode_acct_ctrl(temp);
822
823 if (acct_ctrl == 0)
824 acct_ctrl |= ACB_NORMAL;
825
826 pdb_set_acct_ctrl(sampass, acct_ctrl, PDB_SET);
827 }
828
829 pdb_set_hours_len(sampass, hours_len, PDB_SET);
830 pdb_set_logon_divs(sampass, logon_divs, PDB_SET);
831
832 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
833 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_BAD_PASSWORD_COUNT), temp)) {
834 /* leave as default */
835 } else {
836 bad_password_count = (uint32) atol(temp);
837 pdb_set_bad_password_count(sampass, bad_password_count, PDB_SET);
838 }
839
840 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
841 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_BAD_PASSWORD_TIME), temp)) {
842 /* leave as default */
843 } else {
844 bad_password_time = (time_t) atol(temp);
845 pdb_set_bad_password_time(sampass, bad_password_time, PDB_SET);
846 }
847
848
849 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
850 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_COUNT), temp)) {
851 /* leave as default */
852 } else {
853 logon_count = (uint32) atol(temp);
854 pdb_set_logon_count(sampass, logon_count, PDB_SET);
855 }
856
857 /* pdb_set_unknown_6(sampass, unknown6, PDB_SET); */
858
859 if(!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
860 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_HOURS), temp)) {
861 /* leave as default */
862 } else {
863 pdb_gethexhours(temp, hours);
864 memset((char *)temp, '\0', strlen(temp) +1);
865 pdb_set_hours(sampass, hours, PDB_SET);
866 ZERO_STRUCT(hours);
867 }
868
869 if (lp_parm_bool(-1, "ldapsam", "trusted", False)) {
870 if (smbldap_get_single_pstring(priv2ld(ldap_state), entry,
871 "uidNumber", temp)) {
872 /* We've got a uid, feed the cache */
873 uid_t uid = strtoul(temp, NULL, 10);
874 store_uid_sid_cache(pdb_get_user_sid(sampass), uid);
875 }
876 }
877
878 /* check the timestamp of the cache vs ldap entry */
879 if (!(ldap_entry_time = ldapsam_get_entry_timestamp(ldap_state,
880 entry)))
881 return True;
882
883 /* see if we have newer updates */
884 if (!(cache_entry = login_cache_read(sampass))) {
885 DEBUG (9, ("No cache entry, bad count = %u, bad time = %u\n",
886 (unsigned int)pdb_get_bad_password_count(sampass),
887 (unsigned int)pdb_get_bad_password_time(sampass)));
888 return True;
889 }
890
891 DEBUG(7, ("ldap time is %u, cache time is %u, bad time = %u\n",
892 (unsigned int)ldap_entry_time, (unsigned int)cache_entry->entry_timestamp,
893 (unsigned int)cache_entry->bad_password_time));
894
895 if (ldap_entry_time > cache_entry->entry_timestamp) {
896 /* cache is older than directory , so
897 we need to delete the entry but allow the
898 fields to be written out */
899 login_cache_delentry(sampass);
900 } else {
901 /* read cache in */
902 pdb_set_acct_ctrl(sampass,
903 pdb_get_acct_ctrl(sampass) |
904 (cache_entry->acct_ctrl & ACB_AUTOLOCK),
905 PDB_SET);
906 pdb_set_bad_password_count(sampass,
907 cache_entry->bad_password_count,
908 PDB_SET);
909 pdb_set_bad_password_time(sampass,
910 cache_entry->bad_password_time,
911 PDB_SET);
912 }
913
914 SAFE_FREE(cache_entry);
915 return True;
916 }
917
918 /**********************************************************************
919 Initialize the ldap db from a struct samu. Called on update.
920 (Based on init_buffer_from_sam in pdb_tdb.c)
921 *********************************************************************/
922
923 static BOOL init_ldap_from_sam (struct ldapsam_privates *ldap_state,
924 LDAPMessage *existing,
925 LDAPMod *** mods, struct samu * sampass,
926 BOOL (*need_update)(const struct samu *,
927 enum pdb_elements))
928 {
929 pstring temp;
930 uint32 rid;
931
932 if (mods == NULL || sampass == NULL) {
933 DEBUG(0, ("init_ldap_from_sam: NULL parameters found!\n"));
934 return False;
935 }
936
937 *mods = NULL;
938
939 /*
940 * took out adding "objectclass: sambaAccount"
941 * do this on a per-mod basis
942 */
943 if (need_update(sampass, PDB_USERNAME)) {
944 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
945 "uid", pdb_get_username(sampass));
946 if (ldap_state->is_nds_ldap) {
947 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
948 "cn", pdb_get_username(sampass));
949 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
950 "sn", pdb_get_username(sampass));
951 }
952 }
953
954 DEBUG(2, ("init_ldap_from_sam: Setting entry for user: %s\n", pdb_get_username(sampass)));
955
956 /* only update the RID if we actually need to */
957 if (need_update(sampass, PDB_USERSID)) {
958 fstring sid_string;
959 fstring dom_sid_string;
960 const DOM_SID *user_sid = pdb_get_user_sid(sampass);
961
962 switch ( ldap_state->schema_ver ) {
963 case SCHEMAVER_SAMBAACCOUNT:
964 if (!sid_peek_check_rid(&ldap_state->domain_sid, user_sid, &rid)) {
965 DEBUG(1, ("init_ldap_from_sam: User's SID (%s) is not for this domain (%s), cannot add to LDAP!\n",
966 sid_to_string(sid_string, user_sid),
967 sid_to_string(dom_sid_string, &ldap_state->domain_sid)));
968 return False;
969 }
970 slprintf(temp, sizeof(temp) - 1, "%i", rid);
971 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
972 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_RID),
973 temp);
974 break;
975
976 case SCHEMAVER_SAMBASAMACCOUNT:
977 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
978 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_SID),
979 sid_to_string(sid_string, user_sid));
980 break;
981
982 default:
983 DEBUG(0,("init_ldap_from_sam: unknown schema version specified\n"));
984 break;
985 }
986 }
987
988 /* we don't need to store the primary group RID - so leaving it
989 'free' to hang off the unix primary group makes life easier */
990
991 if (need_update(sampass, PDB_GROUPSID)) {
992 fstring sid_string;
993 fstring dom_sid_string;
994 const DOM_SID *group_sid = pdb_get_group_sid(sampass);
995
996 switch ( ldap_state->schema_ver ) {
997 case SCHEMAVER_SAMBAACCOUNT:
998 if (!sid_peek_check_rid(&ldap_state->domain_sid, group_sid, &rid)) {
999 DEBUG(1, ("init_ldap_from_sam: User's Primary Group SID (%s) is not for this domain (%s), cannot add to LDAP!\n",
1000 sid_to_string(sid_string, group_sid),
1001 sid_to_string(dom_sid_string, &ldap_state->domain_sid)));
1002 return False;
1003 }
1004
1005 slprintf(temp, sizeof(temp) - 1, "%i", rid);
1006 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1007 get_userattr_key2string(ldap_state->schema_ver,
1008 LDAP_ATTR_PRIMARY_GROUP_RID), temp);
1009 break;
1010
1011 case SCHEMAVER_SAMBASAMACCOUNT:
1012 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1013 get_userattr_key2string(ldap_state->schema_ver,
1014 LDAP_ATTR_PRIMARY_GROUP_SID), sid_to_string(sid_string, group_sid));
1015 break;
1016
1017 default:
1018 DEBUG(0,("init_ldap_from_sam: unknown schema version specified\n"));
1019 break;
1020 }
1021
1022 }
1023
1024 /* displayName, cn, and gecos should all be the same
1025 * most easily accomplished by giving them the same OID
1026 * gecos isn't set here b/c it should be handled by the
1027 * add-user script
1028 * We change displayName only and fall back to cn if
1029 * it does not exist.
1030 */
1031
1032 if (need_update(sampass, PDB_FULLNAME))
1033 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1034 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DISPLAY_NAME),
1035 pdb_get_fullname(sampass));
1036
1037 if (need_update(sampass, PDB_ACCTDESC))
1038 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1039 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DESC),
1040 pdb_get_acct_desc(sampass));
1041
1042 if (need_update(sampass, PDB_WORKSTATIONS))
1043 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1044 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_WKS),
1045 pdb_get_workstations(sampass));
1046
1047 if (need_update(sampass, PDB_MUNGEDDIAL))
1048 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1049 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_MUNGED_DIAL),
1050 pdb_get_munged_dial(sampass));
1051
1052 if (need_update(sampass, PDB_SMBHOME))
1053 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1054 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_PATH),
1055 pdb_get_homedir(sampass));
1056
1057 if (need_update(sampass, PDB_DRIVE))
1058 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1059 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_DRIVE),
1060 pdb_get_dir_drive(sampass));
1061
1062 if (need_update(sampass, PDB_LOGONSCRIPT))
1063 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1064 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_SCRIPT),
1065 pdb_get_logon_script(sampass));
1066
1067 if (need_update(sampass, PDB_PROFILE))
1068 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1069 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PROFILE_PATH),
1070 pdb_get_profile_path(sampass));
1071
1072 slprintf(temp, sizeof(temp) - 1, "%li", pdb_get_logon_time(sampass));
1073 if (need_update(sampass, PDB_LOGONTIME))
1074 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1075 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_TIME), temp);
1076
1077 slprintf(temp, sizeof(temp) - 1, "%li", pdb_get_logoff_time(sampass));
1078 if (need_update(sampass, PDB_LOGOFFTIME))
1079 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1080 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGOFF_TIME), temp);
1081
1082 slprintf (temp, sizeof (temp) - 1, "%li", pdb_get_kickoff_time(sampass));
1083 if (need_update(sampass, PDB_KICKOFFTIME))
1084 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1085 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_KICKOFF_TIME), temp);
1086
1087 slprintf (temp, sizeof (temp) - 1, "%li", pdb_get_pass_can_change_time(sampass));
1088 if (need_update(sampass, PDB_CANCHANGETIME))
1089 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1090 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_CAN_CHANGE), temp);
1091
1092 slprintf (temp, sizeof (temp) - 1, "%li", pdb_get_pass_must_change_time(sampass));
1093 if (need_update(sampass, PDB_MUSTCHANGETIME))
1094 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1095 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_MUST_CHANGE), temp);
1096
1097
1098 if ((pdb_get_acct_ctrl(sampass)&(ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST))
1099 || (lp_ldap_passwd_sync()!=LDAP_PASSWD_SYNC_ONLY)) {
1100
1101 if (need_update(sampass, PDB_LMPASSWD)) {
1102 const uchar *lm_pw = pdb_get_lanman_passwd(sampass);
1103 if (lm_pw) {
1104 pdb_sethexpwd(temp, lm_pw,
1105 pdb_get_acct_ctrl(sampass));
1106 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1107 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LMPW),
1108 temp);
1109 } else {
1110 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1111 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LMPW),
1112 NULL);
1113 }
1114 }
1115 if (need_update(sampass, PDB_NTPASSWD)) {
1116 const uchar *nt_pw = pdb_get_nt_passwd(sampass);
1117 if (nt_pw) {
1118 pdb_sethexpwd(temp, nt_pw,
1119 pdb_get_acct_ctrl(sampass));
1120 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1121 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_NTPW),
1122 temp);
1123 } else {
1124 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1125 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_NTPW),
1126 NULL);
1127 }
1128 }
1129
1130 if (need_update(sampass, PDB_PWHISTORY)) {
1131 uint32 pwHistLen = 0;
1132 pdb_get_account_policy(AP_PASSWORD_HISTORY, &pwHistLen);
1133 if (pwHistLen == 0) {
1134 /* Remove any password history from the LDAP store. */
1135 memset(temp, '0', 64); /* NOTE !!!! '0' *NOT '\0' */
1136 temp[64] = '\0';
1137 } else {
1138 int i;
1139 uint32 currHistLen = 0;
1140 const uint8 *pwhist = pdb_get_pw_history(sampass, &currHistLen);
1141 if (pwhist != NULL) {
1142 /* We can only store (sizeof(pstring)-1)/64 password history entries. */
1143 pwHistLen = MIN(pwHistLen, ((sizeof(temp)-1)/64));
1144 for (i=0; i< pwHistLen && i < currHistLen; i++) {
1145 /* Store the salt. */
1146 pdb_sethexpwd(&temp[i*64], &pwhist[i*PW_HISTORY_ENTRY_LEN], 0);
1147 /* Followed by the md5 hash of salt + md4 hash */
1148 pdb_sethexpwd(&temp[(i*64)+32],
1149 &pwhist[(i*PW_HISTORY_ENTRY_LEN)+PW_HISTORY_SALT_LEN], 0);
1150 DEBUG(100, ("temp=%s\n", temp));
1151 }
1152 }
1153 }
1154 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1155 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_HISTORY),
1156 temp);
1157 }
1158
1159 if (need_update(sampass, PDB_PASSLASTSET)) {
1160 slprintf (temp, sizeof (temp) - 1, "%li", pdb_get_pass_last_set_time(sampass));
1161 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1162 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_LAST_SET),
1163 temp);
1164 }
1165 }
1166
1167 if (need_update(sampass, PDB_HOURS)) {
1168 const uint8 *hours = pdb_get_hours(sampass);
1169 if (hours) {
1170 pdb_sethexhours(temp, hours);
1171 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct,
1172 existing,
1173 mods,
1174 get_userattr_key2string(ldap_state->schema_ver,
1175 LDAP_ATTR_LOGON_HOURS),
1176 temp);
1177 }
1178 }
1179
1180 if (need_update(sampass, PDB_ACCTCTRL))
1181 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1182 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_ACB_INFO),
1183 pdb_encode_acct_ctrl (pdb_get_acct_ctrl(sampass), NEW_PW_FORMAT_SPACE_PADDED_LEN));
1184
1185 /* password lockout cache:
1186 - If we are now autolocking or clearing, we write to ldap
1187 - If we are clearing, we delete the cache entry
1188 - If the count is > 0, we update the cache
1189
1190 This even means when autolocking, we cache, just in case the
1191 update doesn't work, and we have to cache the autolock flag */
1192
1193 if (need_update(sampass, PDB_BAD_PASSWORD_COUNT)) /* &&
1194 need_update(sampass, PDB_BAD_PASSWORD_TIME)) */ {
1195 uint16 badcount = pdb_get_bad_password_count(sampass);
1196 time_t badtime = pdb_get_bad_password_time(sampass);
1197 uint32 pol;
1198 pdb_get_account_policy(AP_BAD_ATTEMPT_LOCKOUT, &pol);
1199
1200 DEBUG(3, ("updating bad password fields, policy=%u, count=%u, time=%u\n",
1201 (unsigned int)pol, (unsigned int)badcount, (unsigned int)badtime));
1202
1203 if ((badcount >= pol) || (badcount == 0)) {
1204 DEBUG(7, ("making mods to update ldap, count=%u, time=%u\n",
1205 (unsigned int)badcount, (unsigned int)badtime));
1206 slprintf (temp, sizeof (temp) - 1, "%li", (long)badcount);
1207 smbldap_make_mod(
1208 ldap_state->smbldap_state->ldap_struct,
1209 existing, mods,
1210 get_userattr_key2string(
1211 ldap_state->schema_ver,
1212 LDAP_ATTR_BAD_PASSWORD_COUNT),
1213 temp);
1214
1215 slprintf (temp, sizeof (temp) - 1, "%li", badtime);
1216 smbldap_make_mod(
1217 ldap_state->smbldap_state->ldap_struct,
1218 existing, mods,
1219 get_userattr_key2string(
1220 ldap_state->schema_ver,
1221 LDAP_ATTR_BAD_PASSWORD_TIME),
1222 temp);
1223 }
1224 if (badcount == 0) {
1225 DEBUG(7, ("bad password count is reset, deleting login cache entry for %s\n", pdb_get_nt_username(sampass)));
1226 login_cache_delentry(sampass);
1227 } else {
1228 LOGIN_CACHE cache_entry;
1229
1230 cache_entry.entry_timestamp = time(NULL);
1231 cache_entry.acct_ctrl = pdb_get_acct_ctrl(sampass);
1232 cache_entry.bad_password_count = badcount;
1233 cache_entry.bad_password_time = badtime;
1234
1235 DEBUG(7, ("Updating bad password count and time in login cache\n"));
1236 login_cache_write(sampass, cache_entry);
1237 }
1238 }
1239
1240 return True;
1241 }
1242
1243 /**********************************************************************
1244 Connect to LDAP server for password enumeration.
1245 *********************************************************************/
1246
1247 static NTSTATUS ldapsam_setsampwent(struct pdb_methods *my_methods, BOOL update, uint32 acb_mask)
1248 {
1249 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1250 int rc;
1251 pstring filter, suffix;
1252 const char **attr_list;
1253 BOOL machine_mask = False, user_mask = False;
1254
1255 pstr_sprintf( filter, "(&%s%s)", "(uid=%u)",
1256 get_objclass_filter(ldap_state->schema_ver));
1257 all_string_sub(filter, "%u", "*", sizeof(pstring));
1258
1259 machine_mask = ((acb_mask != 0) && (acb_mask & (ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)));
1260 user_mask = ((acb_mask != 0) && (acb_mask & ACB_NORMAL));
1261
1262 if (machine_mask) {
1263 pstrcpy(suffix, lp_ldap_machine_suffix());
1264 } else if (user_mask) {
1265 pstrcpy(suffix, lp_ldap_user_suffix());
1266 } else {
1267 pstrcpy(suffix, lp_ldap_suffix());
1268 }
1269
1270 DEBUG(10,("ldapsam_setsampwent: LDAP Query for acb_mask 0x%x will use suffix %s\n",
1271 acb_mask, suffix));
1272
1273 attr_list = get_userattr_list(NULL, ldap_state->schema_ver);
1274 rc = smbldap_search(ldap_state->smbldap_state, suffix, LDAP_SCOPE_SUBTREE, filter,
1275 attr_list, 0, &ldap_state->result);
1276 TALLOC_FREE( attr_list );
1277
1278 if (rc != LDAP_SUCCESS) {
1279 DEBUG(0, ("ldapsam_setsampwent: LDAP search failed: %s\n", ldap_err2string(rc)));
1280 DEBUG(3, ("ldapsam_setsampwent: Query was: %s, %s\n", suffix, filter));
1281 ldap_msgfree(ldap_state->result);
1282 ldap_state->result = NULL;
1283 return NT_STATUS_UNSUCCESSFUL;
1284 }
1285
1286 DEBUG(2, ("ldapsam_setsampwent: %d entries in the base %s\n",
1287 ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
1288 ldap_state->result), suffix));
1289
1290 ldap_state->entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
1291 ldap_state->result);
1292 ldap_state->index = 0;
1293
1294 return NT_STATUS_OK;
1295 }
1296
1297 /**********************************************************************
1298 End enumeration of the LDAP password list.
1299 *********************************************************************/
1300
1301 static void ldapsam_endsampwent(struct pdb_methods *my_methods)
1302 {
1303 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1304 if (ldap_state->result) {
1305 ldap_msgfree(ldap_state->result);
1306 ldap_state->result = NULL;
1307 }
1308 }
1309
1310 /**********************************************************************
1311 Get the next entry in the LDAP password database.
1312 *********************************************************************/
1313
1314 static NTSTATUS ldapsam_getsampwent(struct pdb_methods *my_methods,
1315 struct samu *user)
1316 {
1317 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1318 struct ldapsam_privates *ldap_state =
1319 (struct ldapsam_privates *)my_methods->private_data;
1320 BOOL bret = False;
1321
1322 while (!bret) {
1323 if (!ldap_state->entry)
1324 return ret;
1325
1326 ldap_state->index++;
1327 bret = init_sam_from_ldap(ldap_state, user, ldap_state->entry);
1328
1329 ldap_state->entry = ldap_next_entry(priv2ld(ldap_state),
1330 ldap_state->entry);
1331 }
1332
1333 return NT_STATUS_OK;
1334 }
1335
1336 static void append_attr(TALLOC_CTX *mem_ctx, const char ***attr_list,
1337 const char *new_attr)
1338 {
1339 int i;
1340
1341 if (new_attr == NULL) {
1342 return;
1343 }
1344
1345 for (i=0; (*attr_list)[i] != NULL; i++) {
1346 ;
1347 }
1348
1349 (*attr_list) = TALLOC_REALLOC_ARRAY(mem_ctx, (*attr_list),
1350 const char *, i+2);
1351 SMB_ASSERT((*attr_list) != NULL);
1352 (*attr_list)[i] = talloc_strdup((*attr_list), new_attr);
1353 (*attr_list)[i+1] = NULL;
1354 }
1355
1356 /**********************************************************************
1357 Get struct samu entry from LDAP by username.
1358 *********************************************************************/
1359
1360 static NTSTATUS ldapsam_getsampwnam(struct pdb_methods *my_methods, struct samu *user, const char *sname)
1361 {
1362 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1363 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1364 LDAPMessage *result = NULL;
1365 LDAPMessage *entry = NULL;
1366 int count;
1367 const char ** attr_list;
1368 int rc;
1369
1370 attr_list = get_userattr_list( user, ldap_state->schema_ver );
1371 append_attr(user, &attr_list,
1372 get_userattr_key2string(ldap_state->schema_ver,
1373 LDAP_ATTR_MOD_TIMESTAMP));
1374 append_attr(user, &attr_list, "uidNumber");
1375 rc = ldapsam_search_suffix_by_name(ldap_state, sname, &result,
1376 attr_list);
1377 TALLOC_FREE( attr_list );
1378
1379 if ( rc != LDAP_SUCCESS )
1380 return NT_STATUS_NO_SUCH_USER;
1381
1382 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
1383
1384 if (count < 1) {
1385 DEBUG(4, ("ldapsam_getsampwnam: Unable to locate user [%s] count=%d\n", sname, count));
1386 ldap_msgfree(result);
1387 return NT_STATUS_NO_SUCH_USER;
1388 } else if (count > 1) {
1389 DEBUG(1, ("ldapsam_getsampwnam: Duplicate entries for this user [%s] Failing. count=%d\n", sname, count));
1390 ldap_msgfree(result);
1391 return NT_STATUS_NO_SUCH_USER;
1392 }
1393
1394 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1395 if (entry) {
1396 if (!init_sam_from_ldap(ldap_state, user, entry)) {
1397 DEBUG(1,("ldapsam_getsampwnam: init_sam_from_ldap failed for user '%s'!\n", sname));
1398 ldap_msgfree(result);
1399 return NT_STATUS_NO_SUCH_USER;
1400 }
1401 pdb_set_backend_private_data(user, result, NULL,
1402 my_methods, PDB_CHANGED);
1403 talloc_autofree_ldapmsg(user, result);
1404 ret = NT_STATUS_OK;
1405 } else {
1406 ldap_msgfree(result);
1407 }
1408 return ret;
1409 }
1410
1411 static int ldapsam_get_ldap_user_by_sid(struct ldapsam_privates *ldap_state,
1412 const DOM_SID *sid, LDAPMessage **result)
1413 {
1414 int rc = -1;
1415 const char ** attr_list;
1416 uint32 rid;
1417
1418 switch ( ldap_state->schema_ver ) {
1419 case SCHEMAVER_SAMBASAMACCOUNT: {
1420 TALLOC_CTX *tmp_ctx = talloc_new(NULL);
1421 if (tmp_ctx == NULL) {
1422 return LDAP_NO_MEMORY;
1423 }
1424
1425 attr_list = get_userattr_list(tmp_ctx,
1426 ldap_state->schema_ver);
1427 append_attr(tmp_ctx, &attr_list,
1428 get_userattr_key2string(
1429 ldap_state->schema_ver,
1430 LDAP_ATTR_MOD_TIMESTAMP));
1431 append_attr(tmp_ctx, &attr_list, "uidNumber");
1432 rc = ldapsam_search_suffix_by_sid(ldap_state, sid,
1433 result, attr_list);
1434 TALLOC_FREE(tmp_ctx);
1435
1436 if ( rc != LDAP_SUCCESS )
1437 return rc;
1438 break;
1439 }
1440
1441 case SCHEMAVER_SAMBAACCOUNT:
1442 if (!sid_peek_check_rid(&ldap_state->domain_sid, sid, &rid)) {
1443 return rc;
1444 }
1445
1446 attr_list = get_userattr_list(NULL,
1447 ldap_state->schema_ver);
1448 rc = ldapsam_search_suffix_by_rid(ldap_state, rid, result, attr_list );
1449 TALLOC_FREE( attr_list );
1450
1451 if ( rc != LDAP_SUCCESS )
1452 return rc;
1453 break;
1454 }
1455 return rc;
1456 }
1457
1458 /**********************************************************************
1459 Get struct samu entry from LDAP by SID.
1460 *********************************************************************/
1461
1462 static NTSTATUS ldapsam_getsampwsid(struct pdb_methods *my_methods, struct samu * user, const DOM_SID *sid)
1463 {
1464 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1465 LDAPMessage *result = NULL;
1466 LDAPMessage *entry = NULL;
1467 int count;
1468 int rc;
1469 fstring sid_string;
1470
1471 rc = ldapsam_get_ldap_user_by_sid(ldap_state,
1472 sid, &result);
1473 if (rc != LDAP_SUCCESS)
1474 return NT_STATUS_NO_SUCH_USER;
1475
1476 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
1477
1478 if (count < 1) {
1479 DEBUG(4, ("ldapsam_getsampwsid: Unable to locate SID [%s] count=%d\n", sid_to_string(sid_string, sid),
1480 count));
1481 ldap_msgfree(result);
1482 return NT_STATUS_NO_SUCH_USER;
1483 } else if (count > 1) {
1484 DEBUG(1, ("ldapsam_getsampwsid: More than one user with SID [%s]. Failing. count=%d\n", sid_to_string(sid_string, sid),
1485 count));
1486 ldap_msgfree(result);
1487 return NT_STATUS_NO_SUCH_USER;
1488 }
1489
1490 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1491 if (!entry) {
1492 ldap_msgfree(result);
1493 return NT_STATUS_NO_SUCH_USER;
1494 }
1495
1496 if (!init_sam_from_ldap(ldap_state, user, entry)) {
1497 DEBUG(1,("ldapsam_getsampwsid: init_sam_from_ldap failed!\n"));
1498 ldap_msgfree(result);
1499 return NT_STATUS_NO_SUCH_USER;
1500 }
1501
1502 pdb_set_backend_private_data(user, result, NULL,
1503 my_methods, PDB_CHANGED);
1504 talloc_autofree_ldapmsg(user, result);
1505 return NT_STATUS_OK;
1506 }
1507
1508 static BOOL ldapsam_can_pwchange_exop(struct smbldap_state *ldap_state)
1509 {
1510 return smbldap_has_extension(ldap_state, LDAP_EXOP_MODIFY_PASSWD);
1511 }
1512
1513 /********************************************************************
1514 Do the actual modification - also change a plaintext passord if
1515 it it set.
1516 **********************************************************************/
1517
1518 static NTSTATUS ldapsam_modify_entry(struct pdb_methods *my_methods,
1519 struct samu *newpwd, char *dn,
1520 LDAPMod **mods, int ldap_op,
1521 BOOL (*need_update)(const struct samu *, enum pdb_elements))
1522 {
1523 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1524 int rc;
1525
1526 if (!newpwd || !dn) {
1527 return NT_STATUS_INVALID_PARAMETER;
1528 }
1529
1530 if (!mods) {
1531 DEBUG(5,("ldapsam_modify_entry: mods is empty: nothing to modify\n"));
1532 /* may be password change below however */
1533 } else {
1534 switch(ldap_op) {
1535 case LDAP_MOD_ADD:
1536 if (ldap_state->is_nds_ldap) {
1537 smbldap_set_mod(&mods, LDAP_MOD_ADD,
1538 "objectclass",
1539 "inetOrgPerson");
1540 } else {
1541 smbldap_set_mod(&mods, LDAP_MOD_ADD,
1542 "objectclass",
1543 LDAP_OBJ_ACCOUNT);
1544 }
1545 rc = smbldap_add(ldap_state->smbldap_state,
1546 dn, mods);
1547 break;
1548 case LDAP_MOD_REPLACE:
1549 rc = smbldap_modify(ldap_state->smbldap_state,
1550 dn ,mods);
1551 break;
1552 default:
1553 DEBUG(0,("ldapsam_modify_entry: Wrong LDAP operation type: %d!\n",
1554 ldap_op));
1555 return NT_STATUS_INVALID_PARAMETER;
1556 }
1557
1558 if (rc!=LDAP_SUCCESS) {
1559 return NT_STATUS_UNSUCCESSFUL;
1560 }
1561 }
1562
1563 if (!(pdb_get_acct_ctrl(newpwd)&(ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)) &&
1564 (lp_ldap_passwd_sync() != LDAP_PASSWD_SYNC_OFF) &&
1565 need_update(newpwd, PDB_PLAINTEXT_PW) &&
1566 (pdb_get_plaintext_passwd(newpwd)!=NULL)) {
1567 BerElement *ber;
1568 struct berval *bv;
1569 char *retoid = NULL;
1570 struct berval *retdata = NULL;
1571 char *utf8_password;
1572 char *utf8_dn;
1573
1574 if (!ldap_state->is_nds_ldap) {
1575 if (!ldapsam_can_pwchange_exop(ldap_state->smbldap_state)) {
1576 DEBUG(2, ("ldap password change requested, but LDAP "
1577 "server does not support it -- ignoring\n"));
1578 return NT_STATUS_OK;
1579 }
1580 }
1581
1582 if (push_utf8_allocate(&utf8_password, pdb_get_plaintext_passwd(newpwd)) == (size_t)-1) {
1583 return NT_STATUS_NO_MEMORY;
1584 }
1585
1586 if (push_utf8_allocate(&utf8_dn, dn) == (size_t)-1) {
1587 return NT_STATUS_NO_MEMORY;
1588 }
1589
1590 if ((ber = ber_alloc_t(LBER_USE_DER))==NULL) {
1591 DEBUG(0,("ber_alloc_t returns NULL\n"));
1592 SAFE_FREE(utf8_password);
1593 return NT_STATUS_UNSUCCESSFUL;
1594 }
1595
1596 ber_printf (ber, "{");
1597 ber_printf (ber, "ts", LDAP_TAG_EXOP_MODIFY_PASSWD_ID, utf8_dn);
1598 ber_printf (ber, "ts", LDAP_TAG_EXOP_MODIFY_PASSWD_NEW, utf8_password);
1599 ber_printf (ber, "N}");
1600
1601 if ((rc = ber_flatten (ber, &bv))<0) {
1602 DEBUG(0,("ldapsam_modify_entry: ber_flatten returns a value <0\n"));
1603 ber_free(ber,1);
1604 SAFE_FREE(utf8_dn);
1605 SAFE_FREE(utf8_password);
1606 return NT_STATUS_UNSUCCESSFUL;
1607 }
1608
1609 SAFE_FREE(utf8_dn);
1610 SAFE_FREE(utf8_password);
1611 ber_free(ber, 1);
1612
1613 if (!ldap_state->is_nds_ldap) {
1614 rc = smbldap_extended_operation(ldap_state->smbldap_state,
1615 LDAP_EXOP_MODIFY_PASSWD,
1616 bv, NULL, NULL, &retoid,
1617 &retdata);
1618 } else {
1619 rc = pdb_nds_set_password(ldap_state->smbldap_state, dn,
1620 pdb_get_plaintext_passwd(newpwd));
1621 }
1622 if (rc != LDAP_SUCCESS) {
1623 char *ld_error = NULL;
1624
1625 if (rc == LDAP_OBJECT_CLASS_VIOLATION) {
1626 DEBUG(3, ("Could not set userPassword "
1627 "attribute due to an objectClass "
1628 "violation -- ignoring\n"));
1629 ber_bvfree(bv);
1630 return NT_STATUS_OK;
1631 }
1632
1633 ldap_get_option(ldap_state->smbldap_state->ldap_struct, LDAP_OPT_ERROR_STRING,
1634 &ld_error);
1635 DEBUG(0,("ldapsam_modify_entry: LDAP Password could not be changed for user %s: %s\n\t%s\n",
1636 pdb_get_username(newpwd), ldap_err2string(rc), ld_error?ld_error:"unknown"));
1637 SAFE_FREE(ld_error);
1638 ber_bvfree(bv);
1639 return NT_STATUS_UNSUCCESSFUL;
1640 } else {
1641 DEBUG(3,("ldapsam_modify_entry: LDAP Password changed for user %s\n",pdb_get_username(newpwd)));
1642 #ifdef DEBUG_PASSWORD
1643 DEBUG(100,("ldapsam_modify_entry: LDAP Password changed to %s\n",pdb_get_plaintext_passwd(newpwd)));
1644 #endif
1645 if (retdata)
1646 ber_bvfree(retdata);
1647 if (retoid)
1648 ldap_memfree(retoid);
1649 }
1650 ber_bvfree(bv);
1651 }
1652 return NT_STATUS_OK;
1653 }
1654
1655 /**********************************************************************
1656 Delete entry from LDAP for username.
1657 *********************************************************************/
1658
1659 static NTSTATUS ldapsam_delete_sam_account(struct pdb_methods *my_methods,
1660 struct samu * sam_acct)
1661 {
1662 struct ldapsam_privates *priv =
1663 (struct ldapsam_privates *)my_methods->private_data;
1664 const char *sname;
1665 int rc;
1666 LDAPMessage *msg, *entry;
1667 NTSTATUS result = NT_STATUS_NO_MEMORY;
1668 const char **attr_list;
1669 TALLOC_CTX *mem_ctx;
1670
1671 if (!sam_acct) {
1672 DEBUG(0, ("ldapsam_delete_sam_account: sam_acct was NULL!\n"));
1673 return NT_STATUS_INVALID_PARAMETER;
1674 }
1675
1676 sname = pdb_get_username(sam_acct);
1677
1678 DEBUG(3, ("ldapsam_delete_sam_account: Deleting user %s from "
1679 "LDAP.\n", sname));
1680
1681 mem_ctx = talloc_new(NULL);
1682 if (mem_ctx == NULL) {
1683 DEBUG(0, ("talloc_new failed\n"));
1684 goto done;
1685 }
1686
1687 attr_list = get_userattr_delete_list(mem_ctx, priv->schema_ver );
1688 if (attr_list == NULL) {
1689 goto done;
1690 }
1691
1692 rc = ldapsam_search_suffix_by_name(priv, sname, &msg, attr_list);
1693
1694 if ((rc != LDAP_SUCCESS) ||
1695 (ldap_count_entries(priv2ld(priv), msg) != 1) ||
1696 ((entry = ldap_first_entry(priv2ld(priv), msg)) == NULL)) {
1697 DEBUG(5, ("Could not find user %s\n", sname));
1698 result = NT_STATUS_NO_SUCH_USER;
1699 goto done;
1700 }
1701
1702 rc = ldapsam_delete_entry(
1703 priv, mem_ctx, entry,
1704 priv->schema_ver == SCHEMAVER_SAMBASAMACCOUNT ?
1705 LDAP_OBJ_SAMBASAMACCOUNT : LDAP_OBJ_SAMBAACCOUNT,
1706 attr_list);
1707
1708 result = (rc == LDAP_SUCCESS) ?
1709 NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
1710
1711 done:
1712 TALLOC_FREE(mem_ctx);
1713 return result;
1714 }
1715
1716 /**********************************************************************
1717 Helper function to determine for update_sam_account whether
1718 we need LDAP modification.
1719 *********************************************************************/
1720
1721 static BOOL element_is_changed(const struct samu *sampass,
1722 enum pdb_elements element)
1723 {
1724 return IS_SAM_CHANGED(sampass, element);
1725 }
1726
1727 /**********************************************************************
1728 Update struct samu.
1729 *********************************************************************/
1730
1731 static NTSTATUS ldapsam_update_sam_account(struct pdb_methods *my_methods, struct samu * newpwd)
1732 {
1733 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1734 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1735 int rc = 0;
1736 char *dn;
1737 LDAPMessage *result = NULL;
1738 LDAPMessage *entry = NULL;
1739 LDAPMod **mods = NULL;
1740 const char **attr_list;
1741
1742 result = pdb_get_backend_private_data(newpwd, my_methods);
1743 if (!result) {
1744 attr_list = get_userattr_list(NULL, ldap_state->schema_ver);
1745 rc = ldapsam_search_suffix_by_name(ldap_state, pdb_get_username(newpwd), &result, attr_list );
1746 TALLOC_FREE( attr_list );
1747 if (rc != LDAP_SUCCESS) {
1748 return NT_STATUS_UNSUCCESSFUL;
1749 }
1750 pdb_set_backend_private_data(newpwd, result, NULL,
1751 my_methods, PDB_CHANGED);
1752 talloc_autofree_ldapmsg(newpwd, result);
1753 }
1754
1755 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) == 0) {
1756 DEBUG(0, ("ldapsam_update_sam_account: No user to modify!\n"));
1757 return NT_STATUS_UNSUCCESSFUL;
1758 }
1759
1760 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1761 dn = smbldap_get_dn(ldap_state->smbldap_state->ldap_struct, entry);
1762 if (!dn) {
1763 return NT_STATUS_UNSUCCESSFUL;
1764 }
1765
1766 DEBUG(4, ("ldapsam_update_sam_account: user %s to be modified has dn: %s\n", pdb_get_username(newpwd), dn));
1767
1768 if (!init_ldap_from_sam(ldap_state, entry, &mods, newpwd,
1769 element_is_changed)) {
1770 DEBUG(0, ("ldapsam_update_sam_account: init_ldap_from_sam failed!\n"));
1771 SAFE_FREE(dn);
1772 if (mods != NULL)
1773 ldap_mods_free(mods,True);
1774 return NT_STATUS_UNSUCCESSFUL;
1775 }
1776
1777 if (mods == NULL) {
1778 DEBUG(4,("ldapsam_update_sam_account: mods is empty: nothing to update for user: %s\n",
1779 pdb_get_username(newpwd)));
1780 SAFE_FREE(dn);
1781 return NT_STATUS_OK;
1782 }
1783
1784 ret = ldapsam_modify_entry(my_methods,newpwd,dn,mods,LDAP_MOD_REPLACE, element_is_changed);
1785 ldap_mods_free(mods,True);
1786 SAFE_FREE(dn);
1787
1788 if (!NT_STATUS_IS_OK(ret)) {
1789 return ret;
1790 }
1791
1792 DEBUG(2, ("ldapsam_update_sam_account: successfully modified uid = %s in the LDAP database\n",
1793 pdb_get_username(newpwd)));
1794 return NT_STATUS_OK;
1795 }
1796
1797 /***************************************************************************
1798 Renames a struct samu
1799 - The "rename user script" has full responsibility for changing everything
1800 ***************************************************************************/
1801
1802 static NTSTATUS ldapsam_rename_sam_account(struct pdb_methods *my_methods,
1803 struct samu *old_acct,
1804 const char *newname)
1805 {
1806 const char *oldname;
1807 int rc;
1808 pstring rename_script;
1809
1810 if (!old_acct) {
1811 DEBUG(0, ("ldapsam_rename_sam_account: old_acct was NULL!\n"));
1812 return NT_STATUS_INVALID_PARAMETER;
1813 }
1814 if (!newname) {
1815 DEBUG(0, ("ldapsam_rename_sam_account: newname was NULL!\n"));
1816 return NT_STATUS_INVALID_PARAMETER;
1817 }
1818
1819 oldname = pdb_get_username(old_acct);
1820
1821 /* rename the posix user */
1822 pstrcpy(rename_script, lp_renameuser_script());
1823
1824 if (!(*rename_script))
1825 return NT_STATUS_ACCESS_DENIED;
1826
1827 DEBUG (3, ("ldapsam_rename_sam_account: Renaming user %s to %s.\n",
1828 oldname, newname));
1829
1830 /* we have to allow the account name to end with a '$' */
1831 string_sub2(rename_script, "%unew", newname, sizeof(pstring),
1832 True, False, True);
1833 string_sub2(rename_script, "%uold", oldname, sizeof(pstring),
1834 True, False, True);
1835 rc = smbrun(rename_script, NULL);
1836
1837 DEBUG(rc ? 0 : 3,("Running the command `%s' gave %d\n",
1838 rename_script, rc));
1839
1840 if (rc)
1841 return NT_STATUS_UNSUCCESSFUL;
1842
1843 return NT_STATUS_OK;
1844 }
1845
1846 /**********************************************************************
1847 Helper function to determine for update_sam_account whether
1848 we need LDAP modification.
1849 *********************************************************************/
1850
1851 static BOOL element_is_set_or_changed(const struct samu *sampass,
1852 enum pdb_elements element)
1853 {
1854 return (IS_SAM_SET(sampass, element) ||
1855 IS_SAM_CHANGED(sampass, element));
1856 }
1857
1858 /**********************************************************************
1859 Add struct samu to LDAP.
1860 *********************************************************************/
1861
1862 static NTSTATUS ldapsam_add_sam_account(struct pdb_methods *my_methods, struct samu * newpwd)
1863 {
1864 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1865 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1866 int rc;
1867 LDAPMessage *result = NULL;
1868 LDAPMessage *entry = NULL;
1869 pstring dn;
1870 LDAPMod **mods = NULL;
1871 int ldap_op = LDAP_MOD_REPLACE;
1872 uint32 num_result;
1873 const char **attr_list;
1874 char *escape_user;
1875 const char *username = pdb_get_username(newpwd);
1876 const DOM_SID *sid = pdb_get_user_sid(newpwd);
1877 pstring filter;
1878 fstring sid_string;
1879
1880 if (!username || !*username) {
1881 DEBUG(0, ("ldapsam_add_sam_account: Cannot add user without a username!\n"));
1882 return NT_STATUS_INVALID_PARAMETER;
1883 }
1884
1885 /* free this list after the second search or in case we exit on failure */
1886 attr_list = get_userattr_list(NULL, ldap_state->schema_ver);
1887
1888 rc = ldapsam_search_suffix_by_name (ldap_state, username, &result, attr_list);
1889
1890 if (rc != LDAP_SUCCESS) {
1891 TALLOC_FREE( attr_list );
1892 return NT_STATUS_UNSUCCESSFUL;
1893 }
1894
1895 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) != 0) {
1896 DEBUG(0,("ldapsam_add_sam_account: User '%s' already in the base, with samba attributes\n",
1897 username));
1898 ldap_msgfree(result);
1899 TALLOC_FREE( attr_list );
1900 return NT_STATUS_UNSUCCESSFUL;
1901 }
1902 ldap_msgfree(result);
1903 result = NULL;
1904
1905 if (element_is_set_or_changed(newpwd, PDB_USERSID)) {
1906 rc = ldapsam_get_ldap_user_by_sid(ldap_state,
1907 sid, &result);
1908 if (rc == LDAP_SUCCESS) {
1909 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) != 0) {
1910 DEBUG(0,("ldapsam_add_sam_account: SID '%s' already in the base, with samba attributes\n",
1911 sid_to_string(sid_string, sid)));
1912 TALLOC_FREE( attr_list );
1913 ldap_msgfree(result);
1914 return NT_STATUS_UNSUCCESSFUL;
1915 }
1916 ldap_msgfree(result);
1917 }
1918 }
1919
1920 /* does the entry already exist but without a samba attributes?
1921 we need to return the samba attributes here */
1922
1923 escape_user = escape_ldap_string_alloc( username );
1924 pstrcpy( filter, "(uid=%u)" );
1925 all_string_sub( filter, "%u", escape_user, sizeof(filter) );
1926 SAFE_FREE( escape_user );
1927
1928 rc = smbldap_search_suffix(ldap_state->smbldap_state,
1929 filter, attr_list, &result);
1930 if ( rc != LDAP_SUCCESS ) {
1931 TALLOC_FREE( attr_list );
1932 return NT_STATUS_UNSUCCESSFUL;
1933 }
1934
1935 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
1936
1937 if (num_result > 1) {
1938 DEBUG (0, ("ldapsam_add_sam_account: More than one user with that uid exists: bailing out!\n"));
1939 TALLOC_FREE( attr_list );
1940 ldap_msgfree(result);
1941 return NT_STATUS_UNSUCCESSFUL;
1942 }
1943
1944 /* Check if we need to update an existing entry */
1945 if (num_result == 1) {
1946 char *tmp;
1947
1948 DEBUG(3,("ldapsam_add_sam_account: User exists without samba attributes: adding them\n"));
1949 ldap_op = LDAP_MOD_REPLACE;
1950 entry = ldap_first_entry (ldap_state->smbldap_state->ldap_struct, result);
1951 tmp = smbldap_get_dn (ldap_state->smbldap_state->ldap_struct, entry);
1952 if (!tmp) {
1953 TALLOC_FREE( attr_list );
1954 ldap_msgfree(result);
1955 return NT_STATUS_UNSUCCESSFUL;
1956 }
1957 slprintf (dn, sizeof (dn) - 1, "%s", tmp);
1958 SAFE_FREE(tmp);
1959
1960 } else if (ldap_state->schema_ver == SCHEMAVER_SAMBASAMACCOUNT) {
1961
1962 /* There might be a SID for this account already - say an idmap entry */
1963
1964 pstr_sprintf(filter, "(&(%s=%s)(|(objectClass=%s)(objectClass=%s)))",
1965 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_SID),
1966 sid_to_string(sid_string, sid),
1967 LDAP_OBJ_IDMAP_ENTRY,
1968 LDAP_OBJ_SID_ENTRY);
1969
1970 /* free old result before doing a new search */
1971 if (result != NULL) {
1972 ldap_msgfree(result);
1973 result = NULL;
1974 }
1975 rc = smbldap_search_suffix(ldap_state->smbldap_state,
1976 filter, attr_list, &result);
1977
1978 if ( rc != LDAP_SUCCESS ) {
1979 TALLOC_FREE( attr_list );
1980 return NT_STATUS_UNSUCCESSFUL;
1981 }
1982
1983 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
1984
1985 if (num_result > 1) {
1986 DEBUG (0, ("ldapsam_add_sam_account: More than one user with specified Sid exists: bailing out!\n"));
1987 TALLOC_FREE( attr_list );
1988 ldap_msgfree(result);
1989 return NT_STATUS_UNSUCCESSFUL;
1990 }
1991
1992 /* Check if we need to update an existing entry */
1993 if (num_result == 1) {
1994 char *tmp;
1995
1996 DEBUG(3,("ldapsam_add_sam_account: User exists without samba attributes: adding them\n"));
1997 ldap_op = LDAP_MOD_REPLACE;
1998 entry = ldap_first_entry (ldap_state->smbldap_state->ldap_struct, result);
1999 tmp = smbldap_get_dn (ldap_state->smbldap_state->ldap_struct, entry);
2000 if (!tmp) {
2001 TALLOC_FREE( attr_list );
2002 ldap_msgfree(result);
2003 return NT_STATUS_UNSUCCESSFUL;
2004 }
2005 slprintf (dn, sizeof (dn) - 1, "%s", tmp);
2006 SAFE_FREE(tmp);
2007 }
2008 }
2009
2010 TALLOC_FREE( attr_list );
2011
2012 if (num_result == 0) {
2013 /* Check if we need to add an entry */
2014 DEBUG(3,("ldapsam_add_sam_account: Adding new user\n"));
2015 ldap_op = LDAP_MOD_ADD;
2016 if (username[strlen(username)-1] == '$') {
2017 slprintf (dn, sizeof (dn) - 1, "uid=%s,%s", username, lp_ldap_machine_suffix ());
2018 } else {
2019 slprintf (dn, sizeof (dn) - 1, "uid=%s,%s", username, lp_ldap_user_suffix ());
2020 }
2021 }
2022
2023 if (!init_ldap_from_sam(ldap_state, entry, &mods, newpwd,
2024 element_is_set_or_changed)) {
2025 DEBUG(0, ("ldapsam_add_sam_account: init_ldap_from_sam failed!\n"));
2026 ldap_msgfree(result);
2027 if (mods != NULL)
2028 ldap_mods_free(mods,True);
2029 return NT_STATUS_UNSUCCESSFUL;
2030 }
2031
2032 ldap_msgfree(result);
2033
2034 if (mods == NULL) {
2035 DEBUG(0,("ldapsam_add_sam_account: mods is empty: nothing to add for user: %s\n",pdb_get_username(newpwd)));
2036 return NT_STATUS_UNSUCCESSFUL;
2037 }
2038 switch ( ldap_state->schema_ver ) {
2039 case SCHEMAVER_SAMBAACCOUNT:
2040 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_SAMBAACCOUNT);
2041 break;
2042 case SCHEMAVER_SAMBASAMACCOUNT:
2043 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_SAMBASAMACCOUNT);
2044 break;
2045 default:
2046 DEBUG(0,("ldapsam_add_sam_account: invalid schema version specified\n"));
2047 break;
2048 }
2049
2050 ret = ldapsam_modify_entry(my_methods,newpwd,dn,mods,ldap_op, element_is_set_or_changed);
2051 if (!NT_STATUS_IS_OK(ret)) {
2052 DEBUG(0,("ldapsam_add_sam_account: failed to modify/add user with uid = %s (dn = %s)\n",
2053 pdb_get_username(newpwd),dn));
2054 ldap_mods_free(mods, True);
2055 return ret;
2056 }
2057
2058 DEBUG(2,("ldapsam_add_sam_account: added: uid == %s in the LDAP database\n", pdb_get_username(newpwd)));
2059 ldap_mods_free(mods, True);
2060
2061 return NT_STATUS_OK;
2062 }
2063
2064 /**********************************************************************
2065 *********************************************************************/
2066
2067 static int ldapsam_search_one_group (struct ldapsam_privates *ldap_state,
2068 const char *filter,
2069 LDAPMessage ** result)
2070 {
2071 int scope = LDAP_SCOPE_SUBTREE;
2072 int rc;
2073 const char **attr_list;
2074
2075 attr_list = get_attr_list(NULL, groupmap_attr_list);
2076 rc = smbldap_search(ldap_state->smbldap_state,
2077 lp_ldap_group_suffix (), scope,
2078 filter, attr_list, 0, result);
2079 TALLOC_FREE(attr_list);
2080
2081 return rc;
2082 }
2083
2084 /**********************************************************************
2085 *********************************************************************/
2086
2087 static BOOL init_group_from_ldap(struct ldapsam_privates *ldap_state,
2088 GROUP_MAP *map, LDAPMessage *entry)
2089 {
2090 pstring temp;
2091
2092 if (ldap_state == NULL || map == NULL || entry == NULL ||
2093 ldap_state->smbldap_state->ldap_struct == NULL) {
2094 DEBUG(0, ("init_group_from_ldap: NULL parameters found!\n"));
2095 return False;
2096 }
2097
2098 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
2099 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GIDNUMBER), temp)) {
2100 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2101 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GIDNUMBER)));
2102 return False;
2103 }
2104 DEBUG(2, ("init_group_from_ldap: Entry found for group: %s\n", temp));
2105
2106 map->gid = (gid_t)atol(temp);
2107
2108 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
2109 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_SID), temp)) {
2110 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2111 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_SID)));
2112 return False;
2113 }
2114
2115 if (!string_to_sid(&map->sid, temp)) {
2116 DEBUG(1, ("SID string [%s] could not be read as a valid SID\n", temp));
2117 return False;
2118 }
2119
2120 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
2121 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_TYPE), temp)) {
2122 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2123 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_TYPE)));
2124 return False;
2125 }
2126 map->sid_name_use = (enum SID_NAME_USE)atol(temp);
2127
2128 if ((map->sid_name_use < SID_NAME_USER) ||
2129 (map->sid_name_use > SID_NAME_UNKNOWN)) {
2130 DEBUG(0, ("init_group_from_ldap: Unknown Group type: %d\n", map->sid_name_use));
2131 return False;
2132 }
2133
2134 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
2135 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_DISPLAY_NAME), temp)) {
2136 temp[0] = '\0';
2137 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
2138 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_CN), temp))
2139 {
2140 DEBUG(0, ("init_group_from_ldap: Attributes cn not found either \
2141 for gidNumber(%lu)\n",(unsigned long)map->gid));
2142 return False;
2143 }
2144 }
2145 fstrcpy(map->nt_name, temp);
2146
2147 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
2148 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_DESC), temp)) {
2149 temp[0] = '\0';
2150 }
2151 fstrcpy(map->comment, temp);
2152
2153 if (lp_parm_bool(-1, "ldapsam", "trusted", False)) {
2154 store_gid_sid_cache(&map->sid, map->gid);
2155 }
2156
2157 return True;
2158 }
2159
2160 /**********************************************************************
2161 *********************************************************************/
2162
2163 static NTSTATUS ldapsam_getgroup(struct pdb_methods *methods,
2164 const char *filter,
2165 GROUP_MAP *map)
2166 {
2167 struct ldapsam_privates *ldap_state =
2168 (struct ldapsam_privates *)methods->private_data;
2169 LDAPMessage *result = NULL;
2170 LDAPMessage *entry = NULL;
2171 int count;
2172
2173 if (ldapsam_search_one_group(ldap_state, filter, &result)
2174 != LDAP_SUCCESS) {
2175 return NT_STATUS_NO_SUCH_GROUP;
2176 }
2177
2178 count = ldap_count_entries(priv2ld(ldap_state), result);
2179
2180 if (count < 1) {
2181 DEBUG(4, ("ldapsam_getgroup: Did not find group\n"));
2182 ldap_msgfree(result);
2183 return NT_STATUS_NO_SUCH_GROUP;
2184 }
2185
2186 if (count > 1) {
2187 DEBUG(1, ("ldapsam_getgroup: Duplicate entries for filter %s: "
2188 "count=%d\n", filter, count));
2189 ldap_msgfree(result);
2190 return NT_STATUS_NO_SUCH_GROUP;
2191 }
2192
2193 entry = ldap_first_entry(priv2ld(ldap_state), result);
2194
2195 if (!entry) {
2196 ldap_msgfree(result);
2197 return NT_STATUS_UNSUCCESSFUL;
2198 }
2199
2200 if (!init_group_from_ldap(ldap_state, map, entry)) {
2201 DEBUG(1, ("ldapsam_getgroup: init_group_from_ldap failed for "
2202 "group filter %s\n", filter));
2203 ldap_msgfree(result);
2204 return NT_STATUS_NO_SUCH_GROUP;
2205 }
2206
2207 ldap_msgfree(result);
2208 return NT_STATUS_OK;
2209 }
2210
2211 /**********************************************************************
2212 *********************************************************************/
2213
2214 static NTSTATUS ldapsam_getgrsid(struct pdb_methods *methods, GROUP_MAP *map,
2215 DOM_SID sid)
2216 {
2217 pstring filter;
2218
2219 pstr_sprintf(filter, "(&(objectClass=%s)(%s=%s))",
2220 LDAP_OBJ_GROUPMAP,
2221 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GROUP_SID),
2222 sid_string_static(&sid));
2223
2224 return ldapsam_getgroup(methods, filter, map);
2225 }
2226
2227 /**********************************************************************
2228 *********************************************************************/
2229
2230 static NTSTATUS ldapsam_getgrgid(struct pdb_methods *methods, GROUP_MAP *map,
2231 gid_t gid)
2232 {
2233 pstring filter;
2234
2235 pstr_sprintf(filter, "(&(objectClass=%s)(%s=%lu))",
2236 LDAP_OBJ_GROUPMAP,
2237 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GIDNUMBER),
2238 (unsigned long)gid);
2239
2240 return ldapsam_getgroup(methods, filter, map);
2241 }
2242
2243 /**********************************************************************
2244 *********************************************************************/
2245
2246 static NTSTATUS ldapsam_getgrnam(struct pdb_methods *methods, GROUP_MAP *map,
2247 const char *name)
2248 {
2249 pstring filter;
2250 char *escape_name = escape_ldap_string_alloc(name);
2251
2252 if (!escape_name) {
2253 return NT_STATUS_NO_MEMORY;
2254 }
2255
2256 pstr_sprintf(filter, "(&(objectClass=%s)(|(%s=%s)(%s=%s)))",
2257 LDAP_OBJ_GROUPMAP,
2258 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_DISPLAY_NAME), escape_name,
2259 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_CN), escape_name);
2260
2261 SAFE_FREE(escape_name);
2262
2263 return ldapsam_getgroup(methods, filter, map);
2264 }
2265
2266 static void add_rid_to_array_unique(TALLOC_CTX *mem_ctx,
2267 uint32 rid, uint32 **pp_rids, size_t *p_num)
2268 {
2269 size_t i;
2270
2271 for (i=0; i<*p_num; i++) {
2272 if ((*pp_rids)[i] == rid)
2273 return;
2274 }
2275
2276 *pp_rids = TALLOC_REALLOC_ARRAY(mem_ctx, *pp_rids, uint32, *p_num+1);
2277
2278 if (*pp_rids == NULL)
2279 return;
2280
2281 (*pp_rids)[*p_num] = rid;
2282 *p_num += 1;
2283 }
2284
2285 static BOOL ldapsam_extract_rid_from_entry(LDAP *ldap_struct,
2286 LDAPMessage *entry,
2287 const DOM_SID *domain_sid,
2288 uint32 *rid)
2289 {
2290 fstring str;
2291 DOM_SID sid;
2292
2293 if (!smbldap_get_single_attribute(ldap_struct, entry, "sambaSID",
2294 str, sizeof(str)-1)) {
2295 DEBUG(10, ("Could not find sambaSID attribute\n"));
2296 return False;
2297 }
2298
2299 if (!string_to_sid(&sid, str)) {
2300 DEBUG(10, ("Could not convert string %s to sid\n", str));
2301 return False;
2302 }
2303
2304 if (sid_compare_domain(&sid, domain_sid) != 0) {
2305 DEBUG(10, ("SID %s is not in expected domain %s\n",
2306 str, sid_string_static(domain_sid)));
2307 return False;
2308 }
2309
2310 if (!sid_peek_rid(&sid, rid)) {
2311 DEBUG(10, ("Could not peek into RID\n"));
2312 return False;
2313 }
2314
2315 return True;
2316 }
2317
2318 static NTSTATUS ldapsam_enum_group_members(struct pdb_methods *methods,
2319 TALLOC_CTX *mem_ctx,
2320 const DOM_SID *group,
2321 uint32 **pp_member_rids,
2322 size_t *p_num_members)
2323 {
2324 struct ldapsam_privates *ldap_state =
2325 (struct ldapsam_privates *)methods->private_data;
2326 struct smbldap_state *conn = ldap_state->smbldap_state;
2327 const char *id_attrs[] = { "memberUid", "gidNumber", NULL };
2328 const char *sid_attrs[] = { "sambaSID", NULL };
2329 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2330 LDAPMessage *result = NULL;
2331 LDAPMessage *entry;
2332 char *filter;
2333 char **values = NULL;
2334 char **memberuid;
2335 char *gidstr;
2336 int rc, count;
2337
2338 *pp_member_rids = NULL;
2339 *p_num_members = 0;
2340
2341 filter = talloc_asprintf(mem_ctx,
2342 "(&(objectClass=%s)"
2343 "(objectClass=%s)"
2344 "(sambaSID=%s))",
2345 LDAP_OBJ_POSIXGROUP,
2346 LDAP_OBJ_GROUPMAP,
2347 sid_string_static(group));
2348
2349 rc = smbldap_search(conn, lp_ldap_group_suffix(),
2350 LDAP_SCOPE_SUBTREE, filter, id_attrs, 0,
2351 &result);
2352
2353 if (rc != LDAP_SUCCESS)
2354 goto done;
2355
2356 talloc_autofree_ldapmsg(mem_ctx, result);
2357
2358 count = ldap_count_entries(conn->ldap_struct, result);
2359
2360 if (count > 1) {
2361 DEBUG(1, ("Found more than one groupmap entry for %s\n",
2362 sid_string_static(group)));
2363 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2364 goto done;
2365 }
2366
2367 if (count == 0) {
2368 ret = NT_STATUS_NO_SUCH_GROUP;
2369 goto done;
2370 }
2371
2372 entry = ldap_first_entry(conn->ldap_struct, result);
2373 if (entry == NULL)
2374 goto done;
2375
2376 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", mem_ctx);
2377 if (!gidstr) {
2378 DEBUG (0, ("ldapsam_enum_group_members: Unable to find the group's gid!\n"));
2379 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2380 goto done;
2381 }
2382
2383 values = ldap_get_values(conn->ldap_struct, entry, "memberUid");
2384
2385 if (values) {
2386
2387 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)(|", LDAP_OBJ_SAMBAACCOUNT);
2388 if (filter == NULL) {
2389 ret = NT_STATUS_NO_MEMORY;
2390 goto done;
2391 }
2392
2393 for (memberuid = values; *memberuid != NULL; memberuid += 1) {
2394 filter = talloc_asprintf_append(filter, "(uid=%s)", *memberuid);
2395 if (filter == NULL) {
2396 ret = NT_STATUS_NO_MEMORY;
2397 goto done;
2398 }
2399 }
2400
2401 filter = talloc_asprintf_append(filter, "))");
2402 if (filter == NULL) {
2403 ret = NT_STATUS_NO_MEMORY;
2404 goto done;
2405 }
2406
2407 rc = smbldap_search(conn, lp_ldap_user_suffix(),
2408 LDAP_SCOPE_SUBTREE, filter, sid_attrs, 0,
2409 &result);
2410
2411 if (rc != LDAP_SUCCESS)
2412 goto done;
2413
2414 count = ldap_count_entries(conn->ldap_struct, result);
2415 DEBUG(10,("ldapsam_enum_group_members: found %d accounts\n", count));
2416
2417 talloc_autofree_ldapmsg(mem_ctx, result);
2418
2419 for (entry = ldap_first_entry(conn->ldap_struct, result);
2420 entry != NULL;
2421 entry = ldap_next_entry(conn->ldap_struct, entry))
2422 {
2423 char *sidstr;
2424 DOM_SID sid;
2425 uint32 rid;
2426
2427 sidstr = smbldap_talloc_single_attribute(conn->ldap_struct,
2428 entry, "sambaSID",
2429 mem_ctx);
2430 if (!sidstr) {
2431 DEBUG(0, ("Severe DB error, sambaSamAccount can't miss "
2432 "the sambaSID attribute\n"));
2433 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2434 goto done;
2435 }
2436
2437 if (!string_to_sid(&sid, sidstr))
2438 goto done;
2439
2440 if (!sid_check_is_in_our_domain(&sid)) {
2441 DEBUG(0, ("Inconsistent SAM -- group member uid not "
2442 "in our domain\n"));
2443 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2444 goto done;
2445 }
2446
2447 sid_peek_rid(&sid, &rid);
2448
2449 add_rid_to_array_unique(mem_ctx, rid, pp_member_rids,
2450 p_num_members);
2451 }
2452 }
2453
2454 filter = talloc_asprintf(mem_ctx,
2455 "(&(objectClass=%s)"
2456 "(gidNumber=%s))",
2457 LDAP_OBJ_SAMBASAMACCOUNT,
2458 gidstr);
2459
2460 rc = smbldap_search(conn, lp_ldap_user_suffix(),
2461 LDAP_SCOPE_SUBTREE, filter, sid_attrs, 0,
2462 &result);
2463
2464 if (rc != LDAP_SUCCESS)
2465 goto done;
2466
2467 talloc_autofree_ldapmsg(mem_ctx, result);
2468
2469 for (entry = ldap_first_entry(conn->ldap_struct, result);
2470 entry != NULL;
2471 entry = ldap_next_entry(conn->ldap_struct, entry))
2472 {
2473 uint32 rid;
2474
2475 if (!ldapsam_extract_rid_from_entry(conn->ldap_struct,
2476 entry,
2477 get_global_sam_sid(),
2478 &rid)) {
2479 DEBUG(0, ("Severe DB error, sambaSamAccount can't miss "
2480 "the sambaSID attribute\n"));
2481 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2482 goto done;
2483 }
2484
2485 add_rid_to_array_unique(mem_ctx, rid, pp_member_rids,
2486 p_num_members);
2487 }
2488
2489 ret = NT_STATUS_OK;
2490
2491 done:
2492
2493 if (values)
2494 ldap_value_free(values);
2495
2496 return ret;
2497 }
2498
2499 static NTSTATUS ldapsam_enum_group_memberships(struct pdb_methods *methods,
2500 TALLOC_CTX *mem_ctx,
2501 struct samu *user,
2502 DOM_SID **pp_sids,
2503 gid_t **pp_gids,
2504 size_t *p_num_groups)
2505 {
2506 struct ldapsam_privates *ldap_state =
2507 (struct ldapsam_privates *)methods->private_data;
2508 struct smbldap_state *conn = ldap_state->smbldap_state;
2509 char *filter;
2510 const char *attrs[] = { "gidNumber", "sambaSID", NULL };
2511 char *escape_name;
2512 int rc, count;
2513 LDAPMessage *result = NULL;
2514 LDAPMessage *entry;
2515 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2516 size_t num_sids, num_gids;
2517 char *gidstr;
2518 gid_t primary_gid = -1;
2519
2520 *pp_sids = NULL;
2521 num_sids = 0;
2522
2523 escape_name = escape_ldap_string_alloc(pdb_get_username(user));
2524 if (escape_name == NULL)
2525 return NT_STATUS_NO_MEMORY;
2526
2527 /* retrieve the users primary gid */
2528 filter = talloc_asprintf(mem_ctx,
2529 "(&(objectClass=%s)(uid=%s))",
2530 LDAP_OBJ_SAMBASAMACCOUNT,
2531 escape_name);
2532
2533 rc = smbldap_search(conn, lp_ldap_user_suffix(),
2534 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
2535
2536 if (rc != LDAP_SUCCESS)
2537 goto done;
2538
2539 talloc_autofree_ldapmsg(mem_ctx, result);
2540
2541 count = ldap_count_entries(priv2ld(ldap_state), result);
2542
2543 switch (count) {
2544 case 0:
2545 DEBUG(1, ("User account [%s] not found!\n", pdb_get_username(user)));
2546 ret = NT_STATUS_NO_SUCH_USER;
2547 goto done;
2548 case 1:
2549 entry = ldap_first_entry(priv2ld(ldap_state), result);
2550
2551 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", mem_ctx);
2552 if (!gidstr) {
2553 DEBUG (1, ("Unable to find the member's gid!\n"));
2554 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2555 goto done;
2556 }
2557 primary_gid = strtoul(gidstr, NULL, 10);
2558 break;
2559 default:
2560 DEBUG(1, ("found more than one accoutn with the same user name ?!\n"));
2561 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2562 goto done;
2563 }
2564
2565 filter = talloc_asprintf(mem_ctx,
2566 "(&(objectClass=%s)(|(memberUid=%s)(gidNumber=%d)))",
2567 LDAP_OBJ_POSIXGROUP, escape_name, primary_gid);
2568
2569 rc = smbldap_search(conn, lp_ldap_group_suffix(),
2570 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
2571
2572 if (rc != LDAP_SUCCESS)
2573 goto done;
2574
2575 talloc_autofree_ldapmsg(mem_ctx, result);
2576
2577 num_gids = 0;
2578 *pp_gids = NULL;
2579
2580 num_sids = 0;
2581 *pp_sids = NULL;
2582
2583 /* We need to add the primary group as the first gid/sid */
2584
2585 add_gid_to_array_unique(mem_ctx, primary_gid, pp_gids, &num_gids);
2586
2587 /* This sid will be replaced later */
2588
2589 add_sid_to_array_unique(mem_ctx, &global_sid_NULL, pp_sids, &num_sids);
2590
2591 for (entry = ldap_first_entry(conn->ldap_struct, result);
2592 entry != NULL;
2593 entry = ldap_next_entry(conn->ldap_struct, entry))
2594 {
2595 fstring str;
2596 DOM_SID sid;
2597 gid_t gid;
2598 char *end;
2599
2600 if (!smbldap_get_single_attribute(conn->ldap_struct,
2601 entry, "sambaSID",
2602 str, sizeof(str)-1))
2603 continue;
2604
2605 if (!string_to_sid(&sid, str))
2606 goto done;
2607
2608 if (!smbldap_get_single_attribute(conn->ldap_struct,
2609 entry, "gidNumber",
2610 str, sizeof(str)-1))
2611 continue;
2612
2613 gid = strtoul(str, &end, 10);
2614
2615 if (PTR_DIFF(end, str) != strlen(str))
2616 goto done;
2617
2618 if (gid == primary_gid) {
2619 sid_copy(&(*pp_sids)[0], &sid);
2620 } else {
2621 add_gid_to_array_unique(mem_ctx, gid, pp_gids,
2622 &num_gids);
2623 add_sid_to_array_unique(mem_ctx, &sid, pp_sids,
2624 &num_sids);
2625 }
2626 }
2627
2628 if (sid_compare(&global_sid_NULL, &(*pp_sids)[0]) == 0) {
2629 DEBUG(3, ("primary group of [%s] not found\n",
2630 pdb_get_username(user)));
2631 goto done;
2632 }
2633
2634 *p_num_groups = num_sids;
2635
2636 ret = NT_STATUS_OK;
2637
2638 done:
2639
2640 SAFE_FREE(escape_name);
2641 return ret;
2642 }
2643
2644 /**********************************************************************
2645 * Augment a posixGroup object with a sambaGroupMapping domgroup
2646 *********************************************************************/
2647
2648 static NTSTATUS ldapsam_map_posixgroup(TALLOC_CTX *mem_ctx,
2649 struct ldapsam_privates *ldap_state,
2650 GROUP_MAP *map)
2651 {
2652 const char *filter, *dn;
2653 LDAPMessage *msg, *entry;
2654 LDAPMod **mods;
2655 int rc;
2656
2657 filter = talloc_asprintf(mem_ctx,
2658 "(&(objectClass=posixGroup)(gidNumber=%u))",
2659 map->gid);
2660 if (filter == NULL) {
2661 return NT_STATUS_NO_MEMORY;
2662 }
2663
2664 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter,
2665 get_attr_list(mem_ctx, groupmap_attr_list),
2666 &msg);
2667 talloc_autofree_ldapmsg(mem_ctx, msg);
2668
2669 if ((rc != LDAP_SUCCESS) ||
2670 (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) != 1) ||
2671 ((entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg)) == NULL)) {
2672 return NT_STATUS_NO_SUCH_GROUP;
2673 }
2674
2675 dn = smbldap_talloc_dn(mem_ctx, ldap_state->smbldap_state->ldap_struct, entry);
2676 if (dn == NULL) {
2677 return NT_STATUS_NO_MEMORY;
2678 }
2679
2680 mods = NULL;
2681 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass",
2682 "sambaGroupMapping");
2683 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "sambaSid",
2684 sid_string_static(&map->sid));
2685 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "sambaGroupType",
2686 talloc_asprintf(mem_ctx, "%d", map->sid_name_use));
2687 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "displayName",
2688 map->nt_name);
2689 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "description",
2690 map->comment);
2691 talloc_autofree_ldapmod(mem_ctx, mods);
2692
2693 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
2694 if (rc != LDAP_SUCCESS) {
2695 return NT_STATUS_ACCESS_DENIED;
2696 }
2697
2698 return NT_STATUS_OK;
2699 }
2700
2701 static NTSTATUS ldapsam_add_group_mapping_entry(struct pdb_methods *methods,
2702 GROUP_MAP *map)
2703 {
2704 struct ldapsam_privates *ldap_state =
2705 (struct ldapsam_privates *)methods->private_data;
2706 LDAPMessage *msg = NULL;
2707 LDAPMod **mods = NULL;
2708 const char *attrs[] = { NULL };
2709 char *filter;
2710
2711 char *dn;
2712 TALLOC_CTX *mem_ctx;
2713 NTSTATUS result;
2714
2715 DOM_SID sid;
2716
2717 int rc;
2718
2719 mem_ctx = talloc_new(NULL);
2720 if (mem_ctx == NULL) {
2721 DEBUG(0, ("talloc_new failed\n"));
2722 return NT_STATUS_NO_MEMORY;
2723 }
2724
2725 filter = talloc_asprintf(mem_ctx, "(sambaSid=%s)",
2726 sid_string_static(&map->sid));
2727 if (filter == NULL) {
2728 result = NT_STATUS_NO_MEMORY;
2729 goto done;
2730 }
2731
2732 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_suffix(),
2733 LDAP_SCOPE_SUBTREE, filter, attrs, True, &msg);
2734 talloc_autofree_ldapmsg(mem_ctx, msg);
2735
2736 if ((rc == LDAP_SUCCESS) &&
2737 (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) > 0)) {
2738
2739 DEBUG(3, ("SID %s already present in LDAP, refusing to add "
2740 "group mapping entry\n",
2741 sid_string_static(&map->sid)));
2742 result = NT_STATUS_GROUP_EXISTS;
2743 goto done;
2744 }
2745
2746 switch (map->sid_name_use) {
2747
2748 case SID_NAME_DOM_GRP:
2749 /* To map a domain group we need to have a posix group
2750 to attach to. */
2751 result = ldapsam_map_posixgroup(mem_ctx, ldap_state, map);
2752 goto done;
2753 break;
2754
2755 case SID_NAME_ALIAS:
2756 if (!sid_check_is_in_our_domain(&map->sid)
2757 && !sid_check_is_in_builtin(&map->sid) )
2758 {
2759 DEBUG(3, ("Refusing to map sid %s as an alias, not in our domain\n",
2760 sid_string_static(&map->sid)));
2761 result = NT_STATUS_INVALID_PARAMETER;
2762 goto done;
2763 }
2764 break;
2765
2766 default:
2767 DEBUG(3, ("Got invalid use '%s' for mapping\n",
2768 sid_type_lookup(map->sid_name_use)));
2769 result = NT_STATUS_INVALID_PARAMETER;
2770 goto done;
2771 }
2772
2773 /* Domain groups have been mapped in a separate routine, we have to
2774 * create an alias now */
2775
2776 if (map->gid == -1) {
2777 DEBUG(10, ("Refusing to map gid==-1\n"));
2778 result = NT_STATUS_INVALID_PARAMETER;
2779 goto done;
2780 }
2781
2782 if (pdb_gid_to_sid(map->gid, &sid)) {
2783 DEBUG(3, ("Gid %d is already mapped to SID %s, refusing to "
2784 "add\n", map->gid, sid_string_static(&sid)));
2785 result = NT_STATUS_GROUP_EXISTS;
2786 goto done;
2787 }
2788
2789 /* Ok, enough checks done. It's still racy to go ahead now, but that's
2790 * the best we can get out of LDAP. */
2791
2792 dn = talloc_asprintf(mem_ctx, "sambaSid=%s,%s",
2793 sid_string_static(&map->sid),
2794 lp_ldap_group_suffix());
2795 if (dn == NULL) {
2796 result = NT_STATUS_NO_MEMORY;
2797 goto done;
2798 }
2799
2800 mods = NULL;
2801
2802 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "objectClass",
2803 "sambaSidEntry");
2804 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "objectClass",
2805 "sambaGroupMapping");
2806
2807 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "sambaSid",
2808 sid_string_static(&map->sid));
2809 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "sambaGroupType",
2810 talloc_asprintf(mem_ctx, "%d", map->sid_name_use));
2811 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "displayName",
2812 map->nt_name);
2813 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "description",
2814 map->comment);
2815 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "gidNumber",
2816 talloc_asprintf(mem_ctx, "%u", map->gid));
2817 talloc_autofree_ldapmod(mem_ctx, mods);
2818
2819 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
2820
2821 result = (rc == LDAP_SUCCESS) ?
2822 NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
2823
2824 done:
2825 TALLOC_FREE(mem_ctx);
2826 return result;
2827 }
2828
2829 /**********************************************************************
2830 * Update a group mapping entry. We're quite strict about what can be changed:
2831 * Only the description and displayname may be changed. It simply does not
2832 * make any sense to change the SID, gid or the type in a mapping.
2833 *********************************************************************/
2834
2835 static NTSTATUS ldapsam_update_group_mapping_entry(struct pdb_methods *methods,
2836 GROUP_MAP *map)
2837 {
2838 struct ldapsam_privates *ldap_state =
2839 (struct ldapsam_privates *)methods->private_data;
2840 int rc;
2841 const char *filter, *dn;
2842 LDAPMessage *msg = NULL;
2843 LDAPMessage *entry = NULL;
2844 LDAPMod **mods = NULL;
2845 TALLOC_CTX *mem_ctx;
2846 NTSTATUS result;
2847
2848 mem_ctx = talloc_new(NULL);
2849 if (mem_ctx == NULL) {
2850 DEBUG(0, ("talloc_new failed\n"));
2851 return NT_STATUS_NO_MEMORY;
2852 }
2853
2854 /* Make 100% sure that sid, gid and type are not changed by looking up
2855 * exactly the values we're given in LDAP. */
2856
2857 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)"
2858 "(sambaSid=%s)(gidNumber=%u)"
2859 "(sambaGroupType=%d))",
2860 LDAP_OBJ_GROUPMAP,
2861 sid_string_static(&map->sid), map->gid,
2862 map->sid_name_use);
2863 if (filter == NULL) {
2864 result = NT_STATUS_NO_MEMORY;
2865 goto done;
2866 }
2867
2868 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter,
2869 get_attr_list(mem_ctx, groupmap_attr_list),
2870 &msg);
2871 talloc_autofree_ldapmsg(mem_ctx, msg);
2872
2873 if ((rc != LDAP_SUCCESS) ||
2874 (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) != 1) ||
2875 ((entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg)) == NULL)) {
2876 result = NT_STATUS_NO_SUCH_GROUP;
2877 goto done;
2878 }
2879
2880 dn = smbldap_talloc_dn(mem_ctx, ldap_state->smbldap_state->ldap_struct, entry);
2881
2882 if (dn == NULL) {
2883 result = NT_STATUS_NO_MEMORY;
2884 goto done;
2885 }
2886
2887 mods = NULL;
2888 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "displayName",
2889 map->nt_name);
2890 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "description",
2891 map->comment);
2892 talloc_autofree_ldapmod(mem_ctx, mods);
2893
2894 if (mods == NULL) {
2895 DEBUG(4, ("ldapsam_update_group_mapping_entry: mods is empty: "
2896 "nothing to do\n"));
2897 result = NT_STATUS_OK;
2898 goto done;
2899 }
2900
2901 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
2902
2903 if (rc != LDAP_SUCCESS) {
2904 result = NT_STATUS_ACCESS_DENIED;
2905 goto done;
2906 }
2907
2908 DEBUG(2, ("ldapsam_update_group_mapping_entry: successfully modified "
2909 "group %lu in LDAP\n", (unsigned long)map->gid));
2910
2911 result = NT_STATUS_OK;
2912
2913 done:
2914 TALLOC_FREE(mem_ctx);
2915 return result;
2916 }
2917
2918 /**********************************************************************
2919 *********************************************************************/
2920
2921 static NTSTATUS ldapsam_delete_group_mapping_entry(struct pdb_methods *methods,
2922 DOM_SID sid)
2923 {
2924 struct ldapsam_privates *priv =
2925 (struct ldapsam_privates *)methods->private_data;
2926 LDAPMessage *msg, *entry;
2927 int rc;
2928 NTSTATUS result;
2929 TALLOC_CTX *mem_ctx;
2930 char *filter;
2931
2932 mem_ctx = talloc_new(NULL);
2933 if (mem_ctx == NULL) {
2934 DEBUG(0, ("talloc_new failed\n"));
2935 return NT_STATUS_NO_MEMORY;
2936 }
2937
2938 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)(%s=%s))",
2939 LDAP_OBJ_GROUPMAP, LDAP_ATTRIBUTE_SID,
2940 sid_string_static(&sid));
2941 if (filter == NULL) {
2942 result = NT_STATUS_NO_MEMORY;
2943 goto done;
2944 }
2945 rc = smbldap_search_suffix(priv->smbldap_state, filter,
2946 get_attr_list(mem_ctx, groupmap_attr_list),
2947 &msg);
2948 talloc_autofree_ldapmsg(mem_ctx, msg);
2949
2950 if ((rc != LDAP_SUCCESS) ||
2951 (ldap_count_entries(priv2ld(priv), msg) != 1) ||
2952 ((entry = ldap_first_entry(priv2ld(priv), msg)) == NULL)) {
2953 result = NT_STATUS_NO_SUCH_GROUP;
2954 goto done;
2955 }
2956
2957 rc = ldapsam_delete_entry(priv, mem_ctx, entry, LDAP_OBJ_GROUPMAP,
2958 get_attr_list(mem_ctx,
2959 groupmap_attr_list_to_delete));
2960
2961 if ((rc == LDAP_NAMING_VIOLATION) ||
2962 (rc == LDAP_OBJECT_CLASS_VIOLATION)) {
2963 const char *attrs[] = { "sambaGroupType", "description",
2964 "displayName", "sambaSIDList",
2965 NULL };
2966
2967 /* Second try. Don't delete the sambaSID attribute, this is
2968 for "old" entries that are tacked on a winbind
2969 sambaIdmapEntry. */
2970
2971 rc = ldapsam_delete_entry(priv, mem_ctx, entry,
2972 LDAP_OBJ_GROUPMAP, attrs);
2973 }
2974
2975 if ((rc == LDAP_NAMING_VIOLATION) ||
2976 (rc == LDAP_OBJECT_CLASS_VIOLATION)) {
2977 const char *attrs[] = { "sambaGroupType", "description",
2978 "displayName", "sambaSIDList",
2979 "gidNumber", NULL };
2980
2981 /* Third try. This is a post-3.0.21 alias (containing only
2982 * sambaSidEntry and sambaGroupMapping classes), we also have
2983 * to delete the gidNumber attribute, only the sambaSidEntry
2984 * remains */
2985
2986 rc = ldapsam_delete_entry(priv, mem_ctx, entry,
2987 LDAP_OBJ_GROUPMAP, attrs);
2988 }
2989
2990 result = (rc == LDAP_SUCCESS) ? NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL;
2991
2992 done:
2993 TALLOC_FREE(mem_ctx);
2994 return result;
2995 }
2996
2997 /**********************************************************************
2998 *********************************************************************/
2999
3000 static NTSTATUS ldapsam_setsamgrent(struct pdb_methods *my_methods,
3001 BOOL update)
3002 {
3003 struct ldapsam_privates *ldap_state =
3004 (struct ldapsam_privates *)my_methods->private_data;
3005 fstring filter;
3006 int rc;
3007 const char **attr_list;
3008
3009 pstr_sprintf( filter, "(objectclass=%s)", LDAP_OBJ_GROUPMAP);
3010 attr_list = get_attr_list( NULL, groupmap_attr_list );
3011 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_group_suffix(),
3012 LDAP_SCOPE_SUBTREE, filter,
3013 attr_list, 0, &ldap_state->result);
3014 TALLOC_FREE(attr_list);
3015
3016 if (rc != LDAP_SUCCESS) {
3017 DEBUG(0, ("ldapsam_setsamgrent: LDAP search failed: %s\n",
3018 ldap_err2string(rc)));
3019 DEBUG(3, ("ldapsam_setsamgrent: Query was: %s, %s\n",
3020 lp_ldap_group_suffix(), filter));
3021 ldap_msgfree(ldap_state->result);
3022 ldap_state->result = NULL;
3023 return NT_STATUS_UNSUCCESSFUL;
3024 }
3025
3026 DEBUG(2, ("ldapsam_setsamgrent: %d entries in the base!\n",
3027 ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3028 ldap_state->result)));
3029
3030 ldap_state->entry =
3031 ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3032 ldap_state->result);
3033 ldap_state->index = 0;
3034
3035 return NT_STATUS_OK;
3036 }
3037
3038 /**********************************************************************
3039 *********************************************************************/
3040
3041 static void ldapsam_endsamgrent(struct pdb_methods *my_methods)
3042 {
3043 ldapsam_endsampwent(my_methods);
3044 }
3045
3046 /**********************************************************************
3047 *********************************************************************/
3048
3049 static NTSTATUS ldapsam_getsamgrent(struct pdb_methods *my_methods,
3050 GROUP_MAP *map)
3051 {
3052 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
3053 struct ldapsam_privates *ldap_state =
3054 (struct ldapsam_privates *)my_methods->private_data;
3055 BOOL bret = False;
3056
3057 while (!bret) {
3058 if (!ldap_state->entry)
3059 return ret;
3060
3061 ldap_state->index++;
3062 bret = init_group_from_ldap(ldap_state, map,
3063 ldap_state->entry);
3064
3065 ldap_state->entry =
3066 ldap_next_entry(ldap_state->smbldap_state->ldap_struct,
3067 ldap_state->entry);
3068 }
3069
3070 return NT_STATUS_OK;
3071 }
3072
3073 /**********************************************************************
3074 *********************************************************************/
3075
3076 static NTSTATUS ldapsam_enum_group_mapping(struct pdb_methods *methods,
3077 const DOM_SID *domsid, enum SID_NAME_USE sid_name_use,
3078 GROUP_MAP **pp_rmap,
3079 size_t *p_num_entries,
3080 BOOL unix_only)
3081 {
3082 GROUP_MAP map;
3083 size_t entries = 0;
3084
3085 *p_num_entries = 0;
3086 *pp_rmap = NULL;
3087
3088 if (!NT_STATUS_IS_OK(ldapsam_setsamgrent(methods, False))) {
3089 DEBUG(0, ("ldapsam_enum_group_mapping: Unable to open "
3090 "passdb\n"));
3091 return NT_STATUS_ACCESS_DENIED;
3092 }
3093
3094 while (NT_STATUS_IS_OK(ldapsam_getsamgrent(methods, &map))) {
3095 if (sid_name_use != SID_NAME_UNKNOWN &&
3096 sid_name_use != map.sid_name_use) {
3097 DEBUG(11,("ldapsam_enum_group_mapping: group %s is "
3098 "not of the requested type\n", map.nt_name));
3099 continue;
3100 }
3101 if (unix_only==ENUM_ONLY_MAPPED && map.gid==-1) {
3102 DEBUG(11,("ldapsam_enum_group_mapping: group %s is "
3103 "non mapped\n", map.nt_name));
3104 continue;
3105 }
3106
3107 (*pp_rmap)=SMB_REALLOC_ARRAY((*pp_rmap), GROUP_MAP, entries+1);
3108 if (!(*pp_rmap)) {
3109 DEBUG(0,("ldapsam_enum_group_mapping: Unable to "
3110 "enlarge group map!\n"));
3111 return NT_STATUS_UNSUCCESSFUL;
3112 }
3113
3114 (*pp_rmap)[entries] = map;
3115
3116 entries += 1;
3117
3118 }
3119 ldapsam_endsamgrent(methods);
3120
3121 *p_num_entries = entries;
3122
3123 return NT_STATUS_OK;
3124 }
3125
3126 static NTSTATUS ldapsam_modify_aliasmem(struct pdb_methods *methods,
3127 const DOM_SID *alias,
3128 const DOM_SID *member,
3129 int modop)
3130 {
3131 struct ldapsam_privates *ldap_state =
3132 (struct ldapsam_privates *)methods->private_data;
3133 char *dn;
3134 LDAPMessage *result = NULL;
3135 LDAPMessage *entry = NULL;
3136 int count;
3137 LDAPMod **mods = NULL;
3138 int rc;
3139 enum SID_NAME_USE type = SID_NAME_USE_NONE;
3140
3141 pstring filter;
3142
3143 if (sid_check_is_in_builtin(alias)) {
3144 type = SID_NAME_ALIAS;
3145 }
3146
3147 if (sid_check_is_in_our_domain(alias)) {
3148 type = SID_NAME_ALIAS;
3149 }
3150
3151 if (type == SID_NAME_USE_NONE) {
3152 DEBUG(5, ("SID %s is neither in builtin nor in our domain!\n",
3153 sid_string_static(alias)));
3154 return NT_STATUS_NO_SUCH_ALIAS;
3155 }
3156
3157 pstr_sprintf(filter,
3158 "(&(objectClass=%s)(sambaSid=%s)(sambaGroupType=%d))",
3159 LDAP_OBJ_GROUPMAP, sid_string_static(alias),
3160 type);
3161
3162 if (ldapsam_search_one_group(ldap_state, filter,
3163 &result) != LDAP_SUCCESS)
3164 return NT_STATUS_NO_SUCH_ALIAS;
3165
3166 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3167 result);
3168
3169 if (count < 1) {
3170 DEBUG(4, ("ldapsam_modify_aliasmem: Did not find alias\n"));
3171 ldap_msgfree(result);
3172 return NT_STATUS_NO_SUCH_ALIAS;
3173 }
3174
3175 if (count > 1) {
3176 DEBUG(1, ("ldapsam_modify_aliasmem: Duplicate entries for "
3177 "filter %s: count=%d\n", filter, count));
3178 ldap_msgfree(result);
3179 return NT_STATUS_NO_SUCH_ALIAS;
3180 }
3181
3182 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3183 result);
3184
3185 if (!entry) {
3186 ldap_msgfree(result);
3187 return NT_STATUS_UNSUCCESSFUL;
3188 }
3189
3190 dn = smbldap_get_dn(ldap_state->smbldap_state->ldap_struct, entry);
3191 if (!dn) {
3192 ldap_msgfree(result);
3193 return NT_STATUS_UNSUCCESSFUL;
3194 }
3195
3196 smbldap_set_mod(&mods, modop,
3197 get_attr_key2string(groupmap_attr_list,
3198 LDAP_ATTR_SID_LIST),
3199 sid_string_static(member));
3200
3201 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3202
3203 ldap_mods_free(mods, True);
3204 ldap_msgfree(result);
3205 SAFE_FREE(dn);
3206
3207 if (rc == LDAP_TYPE_OR_VALUE_EXISTS) {
3208 return NT_STATUS_MEMBER_IN_ALIAS;
3209 }
3210
3211 if (rc == LDAP_NO_SUCH_ATTRIBUTE) {
3212 return NT_STATUS_MEMBER_NOT_IN_ALIAS;
3213 }
3214
3215 if (rc != LDAP_SUCCESS) {
3216 return NT_STATUS_UNSUCCESSFUL;
3217 }
3218
3219 return NT_STATUS_OK;
3220 }
3221
3222 static NTSTATUS ldapsam_add_aliasmem(struct pdb_methods *methods,
3223 const DOM_SID *alias,
3224 const DOM_SID *member)
3225 {
3226 return ldapsam_modify_aliasmem(methods, alias, member, LDAP_MOD_ADD);
3227 }
3228
3229 static NTSTATUS ldapsam_del_aliasmem(struct pdb_methods *methods,
3230 const DOM_SID *alias,
3231 const DOM_SID *member)
3232 {
3233 return ldapsam_modify_aliasmem(methods, alias, member,
3234 LDAP_MOD_DELETE);
3235 }
3236
3237 static NTSTATUS ldapsam_enum_aliasmem(struct pdb_methods *methods,
3238 const DOM_SID *alias,
3239 DOM_SID **pp_members,
3240 size_t *p_num_members)
3241 {
3242 struct ldapsam_privates *ldap_state =
3243 (struct ldapsam_privates *)methods->private_data;
3244 LDAPMessage *result = NULL;
3245 LDAPMessage *entry = NULL;
3246 int count;
3247 char **values;
3248 int i;
3249 pstring filter;
3250 size_t num_members = 0;
3251 enum SID_NAME_USE type = SID_NAME_USE_NONE;
3252
3253 *pp_members = NULL;
3254 *p_num_members = 0;
3255
3256 if (sid_check_is_in_builtin(alias)) {
3257 type = SID_NAME_ALIAS;
3258 }
3259
3260 if (sid_check_is_in_our_domain(alias)) {
3261 type = SID_NAME_ALIAS;
3262 }
3263
3264 if (type == SID_NAME_USE_NONE) {
3265 DEBUG(5, ("SID %s is neither in builtin nor in our domain!\n",
3266 sid_string_static(alias)));
3267 return NT_STATUS_NO_SUCH_ALIAS;
3268 }
3269
3270 pstr_sprintf(filter,
3271 "(&(objectClass=%s)(sambaSid=%s)(sambaGroupType=%d))",
3272 LDAP_OBJ_GROUPMAP, sid_string_static(alias),
3273 type);
3274
3275 if (ldapsam_search_one_group(ldap_state, filter,
3276 &result) != LDAP_SUCCESS)
3277 return NT_STATUS_NO_SUCH_ALIAS;
3278
3279 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3280 result);
3281
3282 if (count < 1) {
3283 DEBUG(4, ("ldapsam_enum_aliasmem: Did not find alias\n"));
3284 ldap_msgfree(result);
3285 return NT_STATUS_NO_SUCH_ALIAS;
3286 }
3287
3288 if (count > 1) {
3289 DEBUG(1, ("ldapsam_enum_aliasmem: Duplicate entries for "
3290 "filter %s: count=%d\n", filter, count));
3291 ldap_msgfree(result);
3292 return NT_STATUS_NO_SUCH_ALIAS;
3293 }
3294
3295 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3296 result);
3297
3298 if (!entry) {
3299 ldap_msgfree(result);
3300 return NT_STATUS_UNSUCCESSFUL;
3301 }
3302
3303 values = ldap_get_values(ldap_state->smbldap_state->ldap_struct,
3304 entry,
3305 get_attr_key2string(groupmap_attr_list,
3306 LDAP_ATTR_SID_LIST));
3307
3308 if (values == NULL) {
3309 ldap_msgfree(result);
3310 return NT_STATUS_OK;
3311 }
3312
3313 count = ldap_count_values(values);
3314
3315 for (i=0; i<count; i++) {
3316 DOM_SID member;
3317
3318 if (!string_to_sid(&member, values[i]))
3319 continue;
3320
3321 add_sid_to_array(NULL, &member, pp_members, &num_members);
3322 }
3323
3324 *p_num_members = num_members;
3325 ldap_value_free(values);
3326 ldap_msgfree(result);
3327
3328 return NT_STATUS_OK;
3329 }
3330
3331 static NTSTATUS ldapsam_alias_memberships(struct pdb_methods *methods,
3332 TALLOC_CTX *mem_ctx,
3333 const DOM_SID *domain_sid,
3334 const DOM_SID *members,
3335 size_t num_members,
3336 uint32 **pp_alias_rids,
3337 size_t *p_num_alias_rids)
3338 {
3339 struct ldapsam_privates *ldap_state =
3340 (struct ldapsam_privates *)methods->private_data;
3341 LDAP *ldap_struct;
3342
3343 const char *attrs[] = { LDAP_ATTRIBUTE_SID, NULL };
3344
3345 LDAPMessage *result = NULL;
3346 LDAPMessage *entry = NULL;
3347 int i;
3348 int rc;
3349 char *filter;
3350 enum SID_NAME_USE type = SID_NAME_USE_NONE;
3351
3352 if (sid_check_is_builtin(domain_sid)) {
3353 type = SID_NAME_ALIAS;
3354 }
3355
3356 if (sid_check_is_domain(domain_sid)) {
3357 type = SID_NAME_ALIAS;
3358 }
3359
3360 if (type == SID_NAME_USE_NONE) {
3361 DEBUG(5, ("SID %s is neither builtin nor domain!\n",
3362 sid_string_static(domain_sid)));
3363 return NT_STATUS_UNSUCCESSFUL;
3364 }
3365
3366 filter = talloc_asprintf(mem_ctx,
3367 "(&(|(objectclass=%s)(sambaGroupType=%d))(|",
3368 LDAP_OBJ_GROUPMAP, type);
3369
3370 for (i=0; i<num_members; i++)
3371 filter = talloc_asprintf(mem_ctx, "%s(sambaSIDList=%s)",
3372 filter,
3373 sid_string_static(&members[i]));
3374
3375 filter = talloc_asprintf(mem_ctx, "%s))", filter);
3376
3377 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_group_suffix(),
3378 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
3379
3380 if (rc != LDAP_SUCCESS)
3381 return NT_STATUS_UNSUCCESSFUL;
3382
3383 ldap_struct = ldap_state->smbldap_state->ldap_struct;
3384
3385 for (entry = ldap_first_entry(ldap_struct, result);
3386 entry != NULL;
3387 entry = ldap_next_entry(ldap_struct, entry))
3388 {
3389 fstring sid_str;
3390 DOM_SID sid;
3391 uint32 rid;
3392
3393 if (!smbldap_get_single_attribute(ldap_struct, entry,
3394 LDAP_ATTRIBUTE_SID,
3395 sid_str,
3396 sizeof(sid_str)-1))
3397 continue;
3398
3399 if (!string_to_sid(&sid, sid_str))
3400 continue;
3401
3402 if (!sid_peek_check_rid(domain_sid, &sid, &rid))
3403 continue;
3404
3405 add_rid_to_array_unique(mem_ctx, rid, pp_alias_rids,
3406 p_num_alias_rids);
3407 }
3408
3409 ldap_msgfree(result);
3410 return NT_STATUS_OK;
3411 }
3412
3413 static NTSTATUS ldapsam_set_account_policy_in_ldap(struct pdb_methods *methods,
3414 int policy_index,
3415 uint32 value)
3416 {
3417 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3418 int rc;
3419 LDAPMod **mods = NULL;
3420 fstring value_string;
3421 const char *policy_attr = NULL;
3422
3423 struct ldapsam_privates *ldap_state =
3424 (struct ldapsam_privates *)methods->private_data;
3425
3426 const char *attrs[2];
3427
3428 DEBUG(10,("ldapsam_set_account_policy_in_ldap\n"));
3429
3430 if (!ldap_state->domain_dn) {
3431 return NT_STATUS_INVALID_PARAMETER;
3432 }
3433
3434 policy_attr = get_account_policy_attr(policy_index);
3435 if (policy_attr == NULL) {
3436 DEBUG(0,("ldapsam_set_account_policy_in_ldap: invalid "
3437 "policy\n"));
3438 return ntstatus;
3439 }
3440
3441 attrs[0] = policy_attr;
3442 attrs[1] = NULL;
3443
3444 slprintf(value_string, sizeof(value_string) - 1, "%i", value);
3445
3446 smbldap_set_mod(&mods, LDAP_MOD_REPLACE, policy_attr, value_string);
3447
3448 rc = smbldap_modify(ldap_state->smbldap_state, ldap_state->domain_dn,
3449 mods);
3450
3451 ldap_mods_free(mods, True);
3452
3453 if (rc != LDAP_SUCCESS) {
3454 return ntstatus;
3455 }
3456
3457 if (!cache_account_policy_set(policy_index, value)) {
3458 DEBUG(0,("ldapsam_set_account_policy_in_ldap: failed to "
3459 "update local tdb cache\n"));
3460 return ntstatus;
3461 }
3462
3463 return NT_STATUS_OK;
3464 }
3465
3466 static NTSTATUS ldapsam_set_account_policy(struct pdb_methods *methods,
3467 int policy_index, uint32 value)
3468 {
3469 if (!account_policy_migrated(False)) {
3470 return (account_policy_set(policy_index, value)) ?
3471 NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL;
3472 }
3473
3474 return ldapsam_set_account_policy_in_ldap(methods, policy_index,
3475 value);
3476 }
3477
3478 static NTSTATUS ldapsam_get_account_policy_from_ldap(struct pdb_methods *methods,
3479 int policy_index,
3480 uint32 *value)
3481 {
3482 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3483 LDAPMessage *result = NULL;
3484 LDAPMessage *entry = NULL;
3485 int count;
3486 int rc;
3487 char **vals = NULL;
3488 const char *policy_attr = NULL;
3489
3490 struct ldapsam_privates *ldap_state =
3491 (struct ldapsam_privates *)methods->private_data;
3492
3493 const char *attrs[2];
3494
3495 DEBUG(10,("ldapsam_get_account_policy_from_ldap\n"));
3496
3497 if (!ldap_state->domain_dn) {
3498 return NT_STATUS_INVALID_PARAMETER;
3499 }
3500
3501 policy_attr = get_account_policy_attr(policy_index);
3502 if (!policy_attr) {
3503 DEBUG(0,("ldapsam_get_account_policy_from_ldap: invalid "
3504 "policy index: %d\n", policy_index));
3505 return ntstatus;
3506 }
3507
3508 attrs[0] = policy_attr;
3509 attrs[1] = NULL;
3510
3511 rc = smbldap_search(ldap_state->smbldap_state, ldap_state->domain_dn,
3512 LDAP_SCOPE_BASE, "(objectclass=*)", attrs, 0,
3513 &result);
3514
3515 if (rc != LDAP_SUCCESS) {
3516 return ntstatus;
3517 }
3518
3519 count = ldap_count_entries(priv2ld(ldap_state), result);
3520 if (count < 1) {
3521 goto out;
3522 }
3523
3524 entry = ldap_first_entry(priv2ld(ldap_state), result);
3525 if (entry == NULL) {
3526 goto out;
3527 }
3528
3529 vals = ldap_get_values(priv2ld(ldap_state), entry, policy_attr);
3530 if (vals == NULL) {
3531 goto out;
3532 }
3533
3534 *value = (uint32)atol(vals[0]);
3535
3536 ntstatus = NT_STATUS_OK;
3537
3538 out:
3539 if (vals)
3540 ldap_value_free(vals);
3541 ldap_msgfree(result);
3542
3543 return ntstatus;
3544 }
3545
3546 /* wrapper around ldapsam_get_account_policy_from_ldap(), handles tdb as cache
3547
3548 - if user hasn't decided to use account policies inside LDAP just reuse the
3549 old tdb values
3550
3551 - if there is a valid cache entry, return that
3552 - if there is an LDAP entry, update cache and return
3553 - otherwise set to default, update cache and return
3554
3555 Guenther
3556 */
3557 static NTSTATUS ldapsam_get_account_policy(struct pdb_methods *methods,
3558 int policy_index, uint32 *value)
3559 {
3560 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3561
3562 if (!account_policy_migrated(False)) {
3563 return (account_policy_get(policy_index, value))
3564 ? NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL;
3565 }
3566
3567 if (cache_account_policy_get(policy_index, value)) {
3568 DEBUG(11,("ldapsam_get_account_policy: got valid value from "
3569 "cache\n"));
3570 return NT_STATUS_OK;
3571 }
3572
3573 ntstatus = ldapsam_get_account_policy_from_ldap(methods, policy_index,
3574 value);
3575 if (NT_STATUS_IS_OK(ntstatus)) {
3576 goto update_cache;
3577 }
3578
3579 DEBUG(10,("ldapsam_get_account_policy: failed to retrieve from "
3580 "ldap\n"));
3581
3582 #if 0
3583 /* should we automagically migrate old tdb value here ? */
3584 if (account_policy_get(policy_index, value))
3585 goto update_ldap;
3586
3587 DEBUG(10,("ldapsam_get_account_policy: no tdb for %d, trying "
3588 "default\n", policy_index));
3589 #endif
3590
3591 if (!account_policy_get_default(policy_index, value)) {
3592 return ntstatus;
3593 }
3594
3595 /* update_ldap: */
3596
3597 ntstatus = ldapsam_set_account_policy(methods, policy_index, *value);
3598 if (!NT_STATUS_IS_OK(ntstatus)) {
3599 return ntstatus;
3600 }
3601
3602 update_cache:
3603
3604 if (!cache_account_policy_set(policy_index, *value)) {
3605 DEBUG(0,("ldapsam_get_account_policy: failed to update local "
3606 "tdb as a cache\n"));
3607 return NT_STATUS_UNSUCCESSFUL;
3608 }
3609
3610 return NT_STATUS_OK;
3611 }
3612
3613 static NTSTATUS ldapsam_lookup_rids(struct pdb_methods *methods,
3614 const DOM_SID *domain_sid,
3615 int num_rids,
3616 uint32 *rids,
3617 const char **names,
3618 uint32 *attrs)
3619 {
3620 struct ldapsam_privates *ldap_state =
3621 (struct ldapsam_privates *)methods->private_data;
3622 LDAPMessage *msg = NULL;
3623 LDAPMessage *entry;
3624 char *allsids = NULL;
3625 int i, rc, num_mapped;
3626 NTSTATUS result = NT_STATUS_NO_MEMORY;
3627 TALLOC_CTX *mem_ctx;
3628 LDAP *ld;
3629 BOOL is_builtin;
3630
3631 mem_ctx = talloc_new(NULL);
3632 if (mem_ctx == NULL) {
3633 DEBUG(0, ("talloc_new failed\n"));
3634 goto done;
3635 }
3636
3637 if (!sid_check_is_builtin(domain_sid) &&
3638 !sid_check_is_domain(domain_sid)) {
3639 result = NT_STATUS_INVALID_PARAMETER;
3640 goto done;
3641 }
3642
3643 for (i=0; i<num_rids; i++)
3644 attrs[i] = SID_NAME_UNKNOWN;
3645
3646 allsids = talloc_strdup(mem_ctx, "");
3647 if (allsids == NULL) {
3648 goto done;
3649 }
3650
3651 for (i=0; i<num_rids; i++) {
3652 DOM_SID sid;
3653 sid_compose(&sid, domain_sid, rids[i]);
3654 allsids = talloc_asprintf_append(allsids, "(sambaSid=%s)",
3655 sid_string_static(&sid));
3656 if (allsids == NULL) {
3657 goto done;
3658 }
3659 }
3660
3661 /* First look for users */
3662
3663 {
3664 char *filter;
3665 const char *ldap_attrs[] = { "uid", "sambaSid", NULL };
3666
3667 filter = talloc_asprintf(
3668 mem_ctx, ("(&(objectClass=%s)(|%s))"),
3669 LDAP_OBJ_SAMBASAMACCOUNT, allsids);
3670
3671 if (filter == NULL) {
3672 goto done;
3673 }
3674
3675 rc = smbldap_search(ldap_state->smbldap_state,
3676 lp_ldap_user_suffix(),
3677 LDAP_SCOPE_SUBTREE, filter, ldap_attrs, 0,
3678 &msg);
3679 talloc_autofree_ldapmsg(mem_ctx, msg);
3680 }
3681
3682 if (rc != LDAP_SUCCESS)
3683 goto done;
3684
3685 ld = ldap_state->smbldap_state->ldap_struct;
3686 num_mapped = 0;
3687
3688 for (entry = ldap_first_entry(ld, msg);
3689 entry != NULL;
3690 entry = ldap_next_entry(ld, entry)) {
3691 uint32 rid;
3692 int rid_index;
3693 const char *name;
3694
3695 if (!ldapsam_extract_rid_from_entry(ld, entry, domain_sid,
3696 &rid)) {
3697 DEBUG(2, ("Could not find sid from ldap entry\n"));
3698 continue;
3699 }
3700
3701 name = smbldap_talloc_single_attribute(ld, entry, "uid",
3702 names);
3703 if (name == NULL) {
3704 DEBUG(2, ("Could not retrieve uid attribute\n"));
3705 continue;
3706 }
3707
3708 for (rid_index = 0; rid_index < num_rids; rid_index++) {
3709 if (rid == rids[rid_index])
3710 break;
3711 }
3712
3713 if (rid_index == num_rids) {
3714 DEBUG(2, ("Got a RID not asked for: %d\n", rid));
3715 continue;
3716 }
3717
3718 attrs[rid_index] = SID_NAME_USER;
3719 names[rid_index] = name;
3720 num_mapped += 1;
3721 }
3722
3723 if (num_mapped == num_rids) {
3724 /* No need to look for groups anymore -- we're done */
3725 result = NT_STATUS_OK;
3726 goto done;
3727 }
3728
3729 /* Same game for groups */
3730
3731 {
3732 char *filter;
3733 const char *ldap_attrs[] = { "cn", "displayName", "sambaSid",
3734 "sambaGroupType", NULL };
3735
3736 filter = talloc_asprintf(
3737 mem_ctx, "(&(objectClass=%s)(|%s))",
3738 LDAP_OBJ_GROUPMAP, allsids);
3739 if (filter == NULL) {
3740 goto done;
3741 }
3742
3743 rc = smbldap_search(ldap_state->smbldap_state,
3744 lp_ldap_group_suffix(),
3745 LDAP_SCOPE_SUBTREE, filter, ldap_attrs, 0,
3746 &msg);
3747 talloc_autofree_ldapmsg(mem_ctx, msg);
3748 }
3749
3750 if (rc != LDAP_SUCCESS)
3751 goto done;
3752
3753 /* ldap_struct might have changed due to a reconnect */
3754
3755 ld = ldap_state->smbldap_state->ldap_struct;
3756
3757 /* For consistency checks, we already checked we're only domain or builtin */
3758
3759 is_builtin = sid_check_is_builtin(domain_sid);
3760
3761 for (entry = ldap_first_entry(ld, msg);
3762 entry != NULL;
3763 entry = ldap_next_entry(ld, entry))
3764 {
3765 uint32 rid;
3766 int rid_index;
3767 const char *attr;
3768 enum SID_NAME_USE type;
3769 const char *dn = smbldap_talloc_dn(mem_ctx, ld, entry);
3770
3771 attr = smbldap_talloc_single_attribute(ld, entry, "sambaGroupType",
3772 mem_ctx);
3773 if (attr == NULL) {
3774 DEBUG(2, ("Could not extract type from ldap entry %s\n",
3775 dn));
3776 continue;
3777 }
3778
3779 type = atol(attr);
3780
3781 /* Consistency checks */
3782 if ((is_builtin && (type != SID_NAME_ALIAS)) ||
3783 (!is_builtin && ((type != SID_NAME_ALIAS) &&
3784 (type != SID_NAME_DOM_GRP)))) {
3785 DEBUG(2, ("Rejecting invalid group mapping entry %s\n", dn));
3786 }
3787
3788 if (!ldapsam_extract_rid_from_entry(ld, entry, domain_sid,
3789 &rid)) {
3790 DEBUG(2, ("Could not find sid from ldap entry %s\n", dn));
3791 continue;
3792 }
3793
3794 attr = smbldap_talloc_single_attribute(ld, entry, "displayName", names);
3795
3796 if (attr == NULL) {
3797 DEBUG(10, ("Could not retrieve 'displayName' attribute from %s\n",
3798 dn));
3799 attr = smbldap_talloc_single_attribute(ld, entry, "cn", names);
3800 }
3801
3802 if (attr == NULL) {
3803 DEBUG(2, ("Could not retrieve naming attribute from %s\n",
3804 dn));
3805 continue;
3806 }
3807
3808 for (rid_index = 0; rid_index < num_rids; rid_index++) {
3809 if (rid == rids[rid_index])
3810 break;
3811 }
3812
3813 if (rid_index == num_rids) {
3814 DEBUG(2, ("Got a RID not asked for: %d\n", rid));
3815 continue;
3816 }
3817
3818 attrs[rid_index] = type;
3819 names[rid_index] = attr;
3820 num_mapped += 1;
3821 }
3822
3823 result = NT_STATUS_NONE_MAPPED;
3824
3825 if (num_mapped > 0)
3826 result = (num_mapped == num_rids) ?
3827 NT_STATUS_OK : STATUS_SOME_UNMAPPED;
3828 done:
3829 TALLOC_FREE(mem_ctx);
3830 return result;
3831 }
3832
3833 static char *get_ldap_filter(TALLOC_CTX *mem_ctx, const char *username)
3834 {
3835 char *filter = NULL;
3836 char *escaped = NULL;
3837 char *result = NULL;
3838
3839 asprintf(&filter, "(&%s(objectclass=sambaSamAccount))",
3840 "(uid=%u)");
3841 if (filter == NULL) goto done;
3842
3843 escaped = escape_ldap_string_alloc(username);
3844 if (escaped == NULL) goto done;
3845
3846 result = talloc_string_sub(mem_ctx, filter, "%u", username);
3847
3848 done:
3849 SAFE_FREE(filter);
3850 SAFE_FREE(escaped);
3851
3852 return result;
3853 }
3854
3855 const char **talloc_attrs(TALLOC_CTX *mem_ctx, ...)
3856 {
3857 int i, num = 0;
3858 va_list ap;
3859 const char **result;
3860
3861 va_start(ap, mem_ctx);
3862 while (va_arg(ap, const char *) != NULL)
3863 num += 1;
3864 va_end(ap);
3865
3866 result = TALLOC_ARRAY(mem_ctx, const char *, num+1);
3867
3868 va_start(ap, mem_ctx);
3869 for (i=0; i<num; i++)
3870 result[i] = talloc_strdup(mem_ctx, va_arg(ap, const char*));
3871 va_end(ap);
3872
3873 result[num] = NULL;
3874 return result;
3875 }
3876
3877 struct ldap_search_state {
3878 struct smbldap_state *connection;
3879
3880 uint32 acct_flags;
3881 uint16 group_type;
3882
3883 const char *base;
3884 int scope;
3885 const char *filter;
3886 const char **attrs;
3887 int attrsonly;
3888 void *pagedresults_cookie;
3889
3890 LDAPMessage *entries, *current_entry;
3891 BOOL (*ldap2displayentry)(struct ldap_search_state *state,
3892 TALLOC_CTX *mem_ctx,
3893 LDAP *ld, LDAPMessage *entry,
3894 struct samr_displayentry *result);
3895 };
3896
3897 static BOOL ldapsam_search_firstpage(struct pdb_search *search)
3898 {
3899 struct ldap_search_state *state = search->private_data;
3900 LDAP *ld;
3901 int rc = LDAP_OPERATIONS_ERROR;
3902
3903 state->entries = NULL;
3904
3905 if (state->connection->paged_results) {
3906 rc = smbldap_search_paged(state->connection, state->base,
3907 state->scope, state->filter,
3908 state->attrs, state->attrsonly,
3909 lp_ldap_page_size(), &state->entries,
3910 &state->pagedresults_cookie);
3911 }
3912
3913 if ((rc != LDAP_SUCCESS) || (state->entries == NULL)) {
3914
3915 if (state->entries != NULL) {
3916 /* Left over from unsuccessful paged attempt */
3917 ldap_msgfree(state->entries);
3918 state->entries = NULL;
3919 }
3920
3921 rc = smbldap_search(state->connection, state->base,
3922 state->scope, state->filter, state->attrs,
3923 state->attrsonly, &state->entries);
3924
3925 if ((rc != LDAP_SUCCESS) || (state->entries == NULL))
3926 return False;
3927
3928 /* Ok, the server was lying. It told us it could do paged
3929 * searches when it could not. */
3930 state->connection->paged_results = False;
3931 }
3932
3933 ld = state->connection->ldap_struct;
3934 if ( ld == NULL) {
3935 DEBUG(5, ("Don't have an LDAP connection right after a "
3936 "search\n"));
3937 return False;
3938 }
3939 state->current_entry = ldap_first_entry(ld, state->entries);
3940
3941 if (state->current_entry == NULL) {
3942 ldap_msgfree(state->entries);
3943 state->entries = NULL;
3944 }
3945
3946 return True;
3947 }
3948
3949 static BOOL ldapsam_search_nextpage(struct pdb_search *search)
3950 {
3951 struct ldap_search_state *state = search->private_data;
3952 int rc;
3953
3954 if (!state->connection->paged_results) {
3955 /* There is no next page when there are no paged results */
3956 return False;
3957 }
3958
3959 rc = smbldap_search_paged(state->connection, state->base,
3960 state->scope, state->filter, state->attrs,
3961 state->attrsonly, lp_ldap_page_size(),
3962 &state->entries,
3963 &state->pagedresults_cookie);
3964
3965 if ((rc != LDAP_SUCCESS) || (state->entries == NULL))
3966 return False;
3967
3968 state->current_entry = ldap_first_entry(state->connection->ldap_struct, state->entries);
3969
3970 if (state->current_entry == NULL) {
3971 ldap_msgfree(state->entries);
3972 state->entries = NULL;
3973 }
3974
3975 return True;
3976 }
3977
3978 static BOOL ldapsam_search_next_entry(struct pdb_search *search,
3979 struct samr_displayentry *entry)
3980 {
3981 struct ldap_search_state *state = search->private_data;
3982 BOOL result;
3983
3984 retry:
3985 if ((state->entries == NULL) && (state->pagedresults_cookie == NULL))
3986 return False;
3987
3988 if ((state->entries == NULL) &&
3989 !ldapsam_search_nextpage(search))
3990 return False;
3991
3992 result = state->ldap2displayentry(state, search->mem_ctx, state->connection->ldap_struct,
3993 state->current_entry, entry);
3994
3995 if (!result) {
3996 char *dn;
3997 dn = ldap_get_dn(state->connection->ldap_struct, state->current_entry);
3998 DEBUG(5, ("Skipping entry %s\n", dn != NULL ? dn : "<NULL>"));
3999 if (dn != NULL) ldap_memfree(dn);
4000 }
4001
4002 state->current_entry = ldap_next_entry(state->connection->ldap_struct, state->current_entry);
4003
4004 if (state->current_entry == NULL) {
4005 ldap_msgfree(state->entries);
4006 state->entries = NULL;
4007 }
4008
4009 if (!result) goto retry;
4010
4011 return True;
4012 }
4013
4014 static void ldapsam_search_end(struct pdb_search *search)
4015 {
4016 struct ldap_search_state *state = search->private_data;
4017 int rc;
4018
4019 if (state->pagedresults_cookie == NULL)
4020 return;
4021
4022 if (state->entries != NULL)
4023 ldap_msgfree(state->entries);
4024
4025 state->entries = NULL;
4026 state->current_entry = NULL;
4027
4028 if (!state->connection->paged_results)
4029 return;
4030
4031 /* Tell the LDAP server we're not interested in the rest anymore. */
4032
4033 rc = smbldap_search_paged(state->connection, state->base, state->scope,
4034 state->filter, state->attrs,
4035 state->attrsonly, 0, &state->entries,
4036 &state->pagedresults_cookie);
4037
4038 if (rc != LDAP_SUCCESS)
4039 DEBUG(5, ("Could not end search properly\n"));
4040
4041 return;
4042 }
4043
4044 static BOOL ldapuser2displayentry(struct ldap_search_state *state,
4045 TALLOC_CTX *mem_ctx,
4046 LDAP *ld, LDAPMessage *entry,
4047 struct samr_displayentry *result)
4048 {
4049 char **vals;
4050 DOM_SID sid;
4051 uint32 acct_flags;
4052
4053 vals = ldap_get_values(ld, entry, "sambaAcctFlags");
4054 if ((vals == NULL) || (vals[0] == NULL)) {
4055 DEBUG(5, ("\"sambaAcctFlags\" not found\n"));
4056 return False;
4057 }
4058 acct_flags = pdb_decode_acct_ctrl(vals[0]);
4059 ldap_value_free(vals);
4060
4061 if ((state->acct_flags != 0) &&
4062 ((state->acct_flags & acct_flags) == 0))
4063 return False;
4064
4065 result->acct_flags = acct_flags;
4066 result->account_name = "";
4067 result->fullname = "";
4068 result->description = "";
4069
4070 vals = ldap_get_values(ld, entry, "uid");
4071 if ((vals == NULL) || (vals[0] == NULL)) {
4072 DEBUG(5, ("\"uid\" not found\n"));
4073 return False;
4074 }
4075 pull_utf8_talloc(mem_ctx,
4076 CONST_DISCARD(char **, &result->account_name),
4077 vals[0]);
4078 ldap_value_free(vals);
4079
4080 vals = ldap_get_values(ld, entry, "displayName");
4081 if ((vals == NULL) || (vals[0] == NULL))
4082 DEBUG(8, ("\"displayName\" not found\n"));
4083 else
4084 pull_utf8_talloc(mem_ctx,
4085 CONST_DISCARD(char **, &result->fullname),
4086 vals[0]);
4087 ldap_value_free(vals);
4088
4089 vals = ldap_get_values(ld, entry, "description");
4090 if ((vals == NULL) || (vals[0] == NULL))
4091 DEBUG(8, ("\"description\" not found\n"));
4092 else
4093 pull_utf8_talloc(mem_ctx,
4094 CONST_DISCARD(char **, &result->description),
4095 vals[0]);
4096 ldap_value_free(vals);
4097
4098 if ((result->account_name == NULL) ||
4099 (result->fullname == NULL) ||
4100 (result->description == NULL)) {
4101 DEBUG(0, ("talloc failed\n"));
4102 return False;
4103 }
4104
4105 vals = ldap_get_values(ld, entry, "sambaSid");
4106 if ((vals == NULL) || (vals[0] == NULL)) {
4107 DEBUG(0, ("\"objectSid\" not found\n"));
4108 return False;
4109 }
4110
4111 if (!string_to_sid(&sid, vals[0])) {
4112 DEBUG(0, ("Could not convert %s to SID\n", vals[0]));
4113 ldap_value_free(vals);
4114 return False;
4115 }
4116 ldap_value_free(vals);
4117
4118 if (!sid_peek_check_rid(get_global_sam_sid(), &sid, &result->rid)) {
4119 DEBUG(0, ("sid %s does not belong to our domain\n",
4120 sid_string_static(&sid)));
4121 return False;
4122 }
4123
4124 return True;
4125 }
4126
4127
4128 static BOOL ldapsam_search_users(struct pdb_methods *methods,
4129 struct pdb_search *search,
4130 uint32 acct_flags)
4131 {
4132 struct ldapsam_privates *ldap_state = methods->private_data;
4133 struct ldap_search_state *state;
4134
4135 state = TALLOC_P(search->mem_ctx, struct ldap_search_state);
4136 if (state == NULL) {
4137 DEBUG(0, ("talloc failed\n"));
4138 return False;
4139 }
4140
4141 state->connection = ldap_state->smbldap_state;
4142
4143 if ((acct_flags != 0) && ((acct_flags & ACB_NORMAL) != 0))
4144 state->base = lp_ldap_user_suffix();
4145 else if ((acct_flags != 0) &&
4146 ((acct_flags & (ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)) != 0))
4147 state->base = lp_ldap_machine_suffix();
4148 else
4149 state->base = lp_ldap_suffix();
4150
4151 state->acct_flags = acct_flags;
4152 state->base = talloc_strdup(search->mem_ctx, state->base);
4153 state->scope = LDAP_SCOPE_SUBTREE;
4154 state->filter = get_ldap_filter(search->mem_ctx, "*");
4155 state->attrs = talloc_attrs(search->mem_ctx, "uid", "sambaSid",
4156 "displayName", "description",
4157 "sambaAcctFlags", NULL);
4158 state->attrsonly = 0;
4159 state->pagedresults_cookie = NULL;
4160 state->entries = NULL;
4161 state->ldap2displayentry = ldapuser2displayentry;
4162
4163 if ((state->filter == NULL) || (state->attrs == NULL)) {
4164 DEBUG(0, ("talloc failed\n"));
4165 return False;
4166 }
4167
4168 search->private_data = state;
4169 search->next_entry = ldapsam_search_next_entry;
4170 search->search_end = ldapsam_search_end;
4171
4172 return ldapsam_search_firstpage(search);
4173 }
4174
4175 static BOOL ldapgroup2displayentry(struct ldap_search_state *state,
4176 TALLOC_CTX *mem_ctx,
4177 LDAP *ld, LDAPMessage *entry,
4178 struct samr_displayentry *result)
4179 {
4180 char **vals;
4181 DOM_SID sid;
4182 uint16 group_type;
4183
4184 result->account_name = "";
4185 result->fullname = "";
4186 result->description = "";
4187
4188
4189 vals = ldap_get_values(ld, entry, "sambaGroupType");
4190 if ((vals == NULL) || (vals[0] == NULL)) {
4191 DEBUG(5, ("\"sambaGroupType\" not found\n"));
4192 if (vals != NULL) {
4193 ldap_value_free(vals);
4194 }
4195 return False;
4196 }
4197
4198 group_type = atoi(vals[0]);
4199
4200 if ((state->group_type != 0) &&
4201 ((state->group_type != group_type))) {
4202 ldap_value_free(vals);
4203 return False;
4204 }
4205
4206 ldap_value_free(vals);
4207
4208 /* display name is the NT group name */
4209
4210 vals = ldap_get_values(ld, entry, "displayName");
4211 if ((vals == NULL) || (vals[0] == NULL)) {
4212 DEBUG(8, ("\"displayName\" not found\n"));
4213
4214 /* fallback to the 'cn' attribute */
4215 vals = ldap_get_values(ld, entry, "cn");
4216 if ((vals == NULL) || (vals[0] == NULL)) {
4217 DEBUG(5, ("\"cn\" not found\n"));
4218 return False;
4219 }
4220 pull_utf8_talloc(mem_ctx,
4221 CONST_DISCARD(char **, &result->account_name),
4222 vals[0]);
4223 }
4224 else {
4225 pull_utf8_talloc(mem_ctx,
4226 CONST_DISCARD(char **, &result->account_name),
4227 vals[0]);
4228 }
4229
4230 ldap_value_free(vals);
4231
4232 vals = ldap_get_values(ld, entry, "description");
4233 if ((vals == NULL) || (vals[0] == NULL))
4234 DEBUG(8, ("\"description\" not found\n"));
4235 else
4236 pull_utf8_talloc(mem_ctx,
4237 CONST_DISCARD(char **, &result->description),
4238 vals[0]);
4239 ldap_value_free(vals);
4240
4241 if ((result->account_name == NULL) ||
4242 (result->fullname == NULL) ||
4243 (result->description == NULL)) {
4244 DEBUG(0, ("talloc failed\n"));
4245 return False;
4246 }
4247
4248 vals = ldap_get_values(ld, entry, "sambaSid");
4249 if ((vals == NULL) || (vals[0] == NULL)) {
4250 DEBUG(0, ("\"objectSid\" not found\n"));
4251 if (vals != NULL) {
4252 ldap_value_free(vals);
4253 }
4254 return False;
4255 }
4256
4257 if (!string_to_sid(&sid, vals[0])) {
4258 DEBUG(0, ("Could not convert %s to SID\n", vals[0]));
4259 return False;
4260 }
4261
4262 ldap_value_free(vals);
4263
4264 switch (group_type) {
4265 case SID_NAME_DOM_GRP:
4266 case SID_NAME_ALIAS:
4267
4268 if (!sid_peek_check_rid(get_global_sam_sid(), &sid, &result->rid)
4269 && !sid_peek_check_rid(&global_sid_Builtin, &sid, &result->rid))
4270 {
4271 DEBUG(0, ("%s is not in our domain\n",
4272 sid_string_static(&sid)));
4273 return False;
4274 }
4275 break;
4276
4277 default:
4278 DEBUG(0,("unkown group type: %d\n", group_type));
4279 return False;
4280 }
4281
4282 return True;
4283 }
4284
4285 static BOOL ldapsam_search_grouptype(struct pdb_methods *methods,
4286 struct pdb_search *search,
4287 const DOM_SID *sid,
4288 enum SID_NAME_USE type)
4289 {
4290 struct ldapsam_privates *ldap_state = methods->private_data;
4291 struct ldap_search_state *state;
4292
4293 state = TALLOC_P(search->mem_ctx, struct ldap_search_state);
4294 if (state == NULL) {
4295 DEBUG(0, ("talloc failed\n"));
4296 return False;
4297 }
4298
4299 state->connection = ldap_state->smbldap_state;
4300
4301 state->base = talloc_strdup(search->mem_ctx, lp_ldap_group_suffix());
4302 state->connection = ldap_state->smbldap_state;
4303 state->scope = LDAP_SCOPE_SUBTREE;
4304 state->filter = talloc_asprintf(search->mem_ctx,
4305 "(&(objectclass=sambaGroupMapping)"
4306 "(sambaGroupType=%d)(sambaSID=%s))",
4307 type, sid_string_static(sid));
4308 state->attrs = talloc_attrs(search->mem_ctx, "cn", "sambaSid",
4309 "displayName", "description",
4310 "sambaGroupType", NULL);
4311 state->attrsonly = 0;
4312 state->pagedresults_cookie = NULL;
4313 state->entries = NULL;
4314 state->group_type = type;
4315 state->ldap2displayentry = ldapgroup2displayentry;
4316
4317 if ((state->filter == NULL) || (state->attrs == NULL)) {
4318 DEBUG(0, ("talloc failed\n"));
4319 return False;
4320 }
4321
4322 search->private_data = state;
4323 search->next_entry = ldapsam_search_next_entry;
4324 search->search_end = ldapsam_search_end;
4325
4326 return ldapsam_search_firstpage(search);
4327 }
4328
4329 static BOOL ldapsam_search_groups(struct pdb_methods *methods,
4330 struct pdb_search *search)
4331 {
4332 return ldapsam_search_grouptype(methods, search, get_global_sam_sid(), SID_NAME_DOM_GRP);
4333 }
4334
4335 static BOOL ldapsam_search_aliases(struct pdb_methods *methods,
4336 struct pdb_search *search,
4337 const DOM_SID *sid)
4338 {
4339 return ldapsam_search_grouptype(methods, search, sid, SID_NAME_ALIAS);
4340 }
4341
4342 static BOOL ldapsam_rid_algorithm(struct pdb_methods *methods)
4343 {
4344 return False;
4345 }
4346
4347 static NTSTATUS ldapsam_get_new_rid(struct ldapsam_privates *priv,
4348 uint32 *rid)
4349 {
4350 struct smbldap_state *smbldap_state = priv->smbldap_state;
4351
4352 LDAPMessage *result = NULL;
4353 LDAPMessage *entry = NULL;
4354 LDAPMod **mods = NULL;
4355 NTSTATUS status;
4356 char *value;
4357 int rc;
4358 uint32 nextRid = 0;
4359
4360 TALLOC_CTX *mem_ctx;
4361
4362 mem_ctx = talloc_new(NULL);
4363 if (mem_ctx == NULL) {
4364 DEBUG(0, ("talloc_new failed\n"));
4365 return NT_STATUS_NO_MEMORY;
4366 }
4367
4368 status = smbldap_search_domain_info(smbldap_state, &result,
4369 get_global_sam_name(), False);
4370 if (!NT_STATUS_IS_OK(status)) {
4371 DEBUG(3, ("Could not get domain info: %s\n",
4372 nt_errstr(status)));
4373 goto done;
4374 }
4375
4376 talloc_autofree_ldapmsg(mem_ctx, result);
4377
4378 entry = ldap_first_entry(priv2ld(priv), result);
4379 if (entry == NULL) {
4380 DEBUG(0, ("Could not get domain info entry\n"));
4381 status = NT_STATUS_INTERNAL_DB_CORRUPTION;
4382 goto done;
4383 }
4384
4385 /* Find the largest of the three attributes "sambaNextRid",
4386 "sambaNextGroupRid" and "sambaNextUserRid". I gave up on the
4387 concept of differentiating between user and group rids, and will
4388 use only "sambaNextRid" in the future. But for compatibility
4389 reasons I look if others have chosen different strategies -- VL */
4390
4391 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4392 "sambaNextRid", mem_ctx);
4393 if (value != NULL) {
4394 uint32 tmp = (uint32)strtoul(value, NULL, 10);
4395 nextRid = MAX(nextRid, tmp);
4396 }
4397
4398 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4399 "sambaNextUserRid", mem_ctx);
4400 if (value != NULL) {
4401 uint32 tmp = (uint32)strtoul(value, NULL, 10);
4402 nextRid = MAX(nextRid, tmp);
4403 }
4404
4405 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4406 "sambaNextGroupRid", mem_ctx);
4407 if (value != NULL) {
4408 uint32 tmp = (uint32)strtoul(value, NULL, 10);
4409 nextRid = MAX(nextRid, tmp);
4410 }
4411
4412 if (nextRid == 0) {
4413 nextRid = BASE_RID-1;
4414 }
4415
4416 nextRid += 1;
4417
4418 smbldap_make_mod(priv2ld(priv), entry, &mods, "sambaNextRid",
4419 talloc_asprintf(mem_ctx, "%d", nextRid));
4420 talloc_autofree_ldapmod(mem_ctx, mods);
4421
4422 rc = smbldap_modify(smbldap_state,
4423 smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry),
4424 mods);
4425
4426 /* ACCESS_DENIED is used as a placeholder for "the modify failed,
4427 * please retry" */
4428
4429 status = (rc == LDAP_SUCCESS) ? NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
4430
4431 done:
4432 if (NT_STATUS_IS_OK(status)) {
4433 *rid = nextRid;
4434 }
4435
4436 TALLOC_FREE(mem_ctx);
4437 return status;
4438 }
4439
4440 static BOOL ldapsam_new_rid(struct pdb_methods *methods, uint32 *rid)
4441 {
4442 int i;
4443
4444 for (i=0; i<10; i++) {
4445 NTSTATUS result = ldapsam_get_new_rid(methods->private_data,
4446 rid);
4447 if (NT_STATUS_IS_OK(result)) {
4448 return True;
4449 }
4450
4451 if (!NT_STATUS_EQUAL(result, NT_STATUS_ACCESS_DENIED)) {
4452 return False;
4453 }
4454
4455 /* The ldap update failed (maybe a race condition), retry */
4456 }
4457
4458 /* Tried 10 times, fail. */
4459 return False;
4460 }
4461
4462 static BOOL ldapsam_sid_to_id(struct pdb_methods *methods,
4463 const DOM_SID *sid,
4464 union unid_t *id, enum SID_NAME_USE *type)
4465 {
4466 struct ldapsam_privates *priv = methods->private_data;
4467 char *filter;
4468 const char *attrs[] = { "sambaGroupType", "gidNumber", "uidNumber",
4469 NULL };
4470 LDAPMessage *result = NULL;
4471 LDAPMessage *entry = NULL;
4472 BOOL ret = False;
4473 char *value;
4474 int rc;
4475
4476 TALLOC_CTX *mem_ctx;
4477
4478 mem_ctx = talloc_new(NULL);
4479 if (mem_ctx == NULL) {
4480 DEBUG(0, ("talloc_new failed\n"));
4481 return False;
4482 }
4483
4484 filter = talloc_asprintf(mem_ctx,
4485 "(&(sambaSid=%s)"
4486 "(|(objectClass=%s)(objectClass=%s)))",
4487 sid_string_static(sid),
4488 LDAP_OBJ_GROUPMAP, LDAP_OBJ_SAMBASAMACCOUNT);
4489 if (filter == NULL) {
4490 DEBUG(5, ("talloc_asprintf failed\n"));
4491 goto done;
4492 }
4493
4494 rc = smbldap_search_suffix(priv->smbldap_state, filter,
4495 attrs, &result);
4496 if (rc != LDAP_SUCCESS) {
4497 goto done;
4498 }
4499 talloc_autofree_ldapmsg(mem_ctx, result);
4500
4501 if (ldap_count_entries(priv2ld(priv), result) != 1) {
4502 DEBUG(10, ("Got %d entries, expected one\n",
4503 ldap_count_entries(priv2ld(priv), result)));
4504 goto done;
4505 }
4506
4507 entry = ldap_first_entry(priv2ld(priv), result);
4508
4509 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4510 "sambaGroupType", mem_ctx);
4511
4512 if (value != NULL) {
4513 const char *gid_str;
4514 /* It's a group */
4515
4516 gid_str = smbldap_talloc_single_attribute(
4517 priv2ld(priv), entry, "gidNumber", mem_ctx);
4518 if (gid_str == NULL) {
4519 DEBUG(1, ("%s has sambaGroupType but no gidNumber\n",
4520 smbldap_talloc_dn(mem_ctx, priv2ld(priv),
4521 entry)));
4522 goto done;
4523 }
4524
4525 id->gid = strtoul(gid_str, NULL, 10);
4526 *type = strtoul(value, NULL, 10);
4527 ret = True;
4528 goto done;
4529 }
4530
4531 /* It must be a user */
4532
4533 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4534 "uidNumber", mem_ctx);
4535 if (value == NULL) {
4536 DEBUG(1, ("Could not find uidNumber in %s\n",
4537 smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry)));
4538 goto done;
4539 }
4540
4541 id->uid = strtoul(value, NULL, 10);
4542 *type = SID_NAME_USER;
4543
4544 ret = True;
4545 done:
4546 TALLOC_FREE(mem_ctx);
4547 return ret;
4548 }
4549
4550 /*
4551 * The following functions is called only if
4552 * ldapsam:trusted and ldapsam:editposix are
4553 * set to true
4554 */
4555
4556 /*
4557 * ldapsam_create_user creates a new
4558 * posixAccount and sambaSamAccount object
4559 * in the ldap users subtree
4560 *
4561 * The uid is allocated by winbindd.
4562 */
4563
4564 static NTSTATUS ldapsam_create_user(struct pdb_methods *my_methods,
4565 TALLOC_CTX *tmp_ctx, const char *name,
4566 uint32 acb_info, uint32 *rid)
4567 {
4568 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
4569 LDAPMessage *entry = NULL;
4570 LDAPMessage *result = NULL;
4571 uint32 num_result;
4572 BOOL is_machine = False;
4573 BOOL add_posix = False;
4574 LDAPMod **mods = NULL;
4575 struct samu *user;
4576 char *filter;
4577 char *username;
4578 char *homedir;
4579 char *gidstr;
4580 char *uidstr;
4581 char *shell;
4582 const char *dn = NULL;
4583 DOM_SID group_sid;
4584 DOM_SID user_sid;
4585 gid_t gid = -1;
4586 uid_t uid = -1;
4587 NTSTATUS ret;
4588 int rc;
4589
4590 if (((acb_info & ACB_NORMAL) && name[strlen(name)-1] == '$') ||
4591 acb_info & ACB_WSTRUST ||
4592 acb_info & ACB_SVRTRUST ||
4593 acb_info & ACB_DOMTRUST) {
4594 is_machine = True;
4595 }
4596
4597 username = escape_ldap_string_alloc(name);
4598 filter = talloc_asprintf(tmp_ctx, "(&(uid=%s)(objectClass=%s))",
4599 username, LDAP_OBJ_POSIXACCOUNT);
4600 SAFE_FREE(username);
4601
4602 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
4603 if (rc != LDAP_SUCCESS) {
4604 DEBUG(0,("ldapsam_create_user: ldap search failed!\n"));
4605 return NT_STATUS_UNSUCCESSFUL;
4606 }
4607 talloc_autofree_ldapmsg(tmp_ctx, result);
4608
4609 num_result = ldap_count_entries(priv2ld(ldap_state), result);
4610
4611 if (num_result > 1) {
4612 DEBUG (0, ("ldapsam_create_user: More than one user with name [%s] ?!\n", name));
4613 return NT_STATUS_INTERNAL_DB_CORRUPTION;
4614 }
4615
4616 if (num_result == 1) {
4617 char *tmp;
4618 /* check if it is just a posix account.
4619 * or if there is a sid attached to this entry
4620 */
4621
4622 entry = ldap_first_entry(priv2ld(ldap_state), result);
4623 if (!entry) {
4624 return NT_STATUS_UNSUCCESSFUL;
4625 }
4626
4627 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "sambaSID", tmp_ctx);
4628 if (tmp) {
4629 DEBUG (1, ("ldapsam_create_user: The user [%s] already exist!\n", name));
4630 return NT_STATUS_USER_EXISTS;
4631 }
4632
4633 /* it is just a posix account, retrieve the dn for later use */
4634 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
4635 if (!dn) {
4636 DEBUG(0,("ldapsam_create_user: Out of memory!\n"));
4637 return NT_STATUS_NO_MEMORY;
4638 }
4639 }
4640
4641 if (num_result == 0) {
4642 add_posix = True;
4643 }
4644
4645 /* Create the basic samu structure and generate the mods for the ldap commit */
4646 if (!NT_STATUS_IS_OK((ret = ldapsam_get_new_rid(ldap_state, rid)))) {
4647 DEBUG(1, ("ldapsam_create_user: Could not allocate a new RID\n"));
4648 return ret;
4649 }
4650
4651 sid_compose(&user_sid, get_global_sam_sid(), *rid);
4652
4653 user = samu_new(tmp_ctx);
4654 if (!user) {
4655 DEBUG(1,("ldapsam_create_user: Unable to allocate user struct\n"));
4656 return NT_STATUS_NO_MEMORY;
4657 }
4658
4659 if (!pdb_set_username(user, name, PDB_SET)) {
4660 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
4661 return NT_STATUS_UNSUCCESSFUL;
4662 }
4663 if (!pdb_set_domain(user, get_global_sam_name(), PDB_SET)) {
4664 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
4665 return NT_STATUS_UNSUCCESSFUL;
4666 }
4667 if (is_machine) {
4668 if (acb_info & ACB_NORMAL) {
4669 if (!pdb_set_acct_ctrl(user, ACB_WSTRUST, PDB_SET)) {
4670 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
4671 return NT_STATUS_UNSUCCESSFUL;
4672 }
4673 } else {
4674 if (!pdb_set_acct_ctrl(user, acb_info, PDB_SET)) {
4675 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
4676 return NT_STATUS_UNSUCCESSFUL;
4677 }
4678 }
4679 } else {
4680 if (!pdb_set_acct_ctrl(user, ACB_NORMAL | ACB_DISABLED, PDB_SET)) {
4681 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
4682 return NT_STATUS_UNSUCCESSFUL;
4683 }
4684 }
4685
4686 if (!pdb_set_user_sid(user, &user_sid, PDB_SET)) {
4687 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
4688 return NT_STATUS_UNSUCCESSFUL;
4689 }
4690
4691 if (!init_ldap_from_sam(ldap_state, NULL, &mods, user, element_is_set_or_changed)) {
4692 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
4693 return NT_STATUS_UNSUCCESSFUL;
4694 }
4695
4696 if (ldap_state->schema_ver != SCHEMAVER_SAMBASAMACCOUNT) {
4697 DEBUG(1,("ldapsam_create_user: Unsupported schema version\n"));
4698 }
4699 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_SAMBASAMACCOUNT);
4700
4701 if (add_posix) {
4702 DEBUG(3,("ldapsam_create_user: Creating new posix user\n"));
4703
4704 /* retrieve the Domain Users group gid */
4705 if (!sid_compose(&group_sid, get_global_sam_sid(), DOMAIN_GROUP_RID_USERS) ||
4706 !sid_to_gid(&group_sid, &gid)) {
4707 DEBUG (0, ("ldapsam_create_user: Unable to get the Domain Users gid: bailing out!\n"));
4708 return NT_STATUS_INVALID_PRIMARY_GROUP;
4709 }
4710
4711 /* lets allocate a new userid for this user */
4712 if (!winbind_allocate_uid(&uid)) {
4713 DEBUG (0, ("ldapsam_create_user: Unable to allocate a new user id: bailing out!\n"));
4714 return NT_STATUS_UNSUCCESSFUL;
4715 }
4716
4717
4718 if (is_machine) {
4719 /* TODO: choose a more appropriate default for machines */
4720 homedir = talloc_sub_specified(tmp_ctx, lp_template_homedir(), "SMB_workstations_home", ldap_state->domain_name, uid, gid);
4721 shell = talloc_strdup(tmp_ctx, "/bin/false");
4722 } else {
4723 homedir = talloc_sub_specified(tmp_ctx, lp_template_homedir(), name, ldap_state->domain_name, uid, gid);
4724 shell = talloc_sub_specified(tmp_ctx, lp_template_shell(), name, ldap_state->domain_name, uid, gid);
4725 }
4726 uidstr = talloc_asprintf(tmp_ctx, "%d", uid);
4727 gidstr = talloc_asprintf(tmp_ctx, "%d", gid);
4728 if (is_machine) {
4729 dn = talloc_asprintf(tmp_ctx, "uid=%s,%s", name, lp_ldap_machine_suffix ());
4730 } else {
4731 dn = talloc_asprintf(tmp_ctx, "uid=%s,%s", name, lp_ldap_user_suffix ());
4732 }
4733
4734 if (!homedir || !shell || !uidstr || !gidstr || !dn) {
4735 DEBUG (0, ("ldapsam_create_user: Out of memory!\n"));
4736 return NT_STATUS_NO_MEMORY;
4737 }
4738
4739 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_ACCOUNT);
4740 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_POSIXACCOUNT);
4741 smbldap_set_mod(&mods, LDAP_MOD_ADD, "cn", name);
4742 smbldap_set_mod(&mods, LDAP_MOD_ADD, "uidNumber", uidstr);
4743 smbldap_set_mod(&mods, LDAP_MOD_ADD, "gidNumber", gidstr);
4744 smbldap_set_mod(&mods, LDAP_MOD_ADD, "homeDirectory", homedir);
4745 smbldap_set_mod(&mods, LDAP_MOD_ADD, "loginShell", shell);
4746 }
4747
4748 talloc_autofree_ldapmod(tmp_ctx, mods);
4749
4750 if (add_posix) {
4751 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
4752 } else {
4753 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
4754 }
4755
4756 if (rc != LDAP_SUCCESS) {
4757 DEBUG(0,("ldapsam_create_user: failed to create a new user [%s] (dn = %s)\n", name ,dn));
4758 return NT_STATUS_UNSUCCESSFUL;
4759 }
4760
4761 DEBUG(2,("ldapsam_create_user: added account [%s] in the LDAP database\n", name));
4762
4763 flush_pwnam_cache();
4764
4765 return NT_STATUS_OK;
4766 }
4767
4768 static NTSTATUS ldapsam_delete_user(struct pdb_methods *my_methods, TALLOC_CTX *tmp_ctx, struct samu *sam_acct)
4769 {
4770 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
4771 LDAPMessage *result = NULL;
4772 LDAPMessage *entry = NULL;
4773 int num_result;
4774 const char *dn;
4775 char *filter;
4776 int rc;
4777
4778 DEBUG(0,("ldapsam_delete_user: Attempt to delete user [%s]\n", pdb_get_username(sam_acct)));
4779
4780 filter = talloc_asprintf(tmp_ctx,
4781 "(&(uid=%s)"
4782 "(objectClass=%s)"
4783 "(objectClass=%s))",
4784 pdb_get_username(sam_acct),
4785 LDAP_OBJ_POSIXACCOUNT,
4786 LDAP_OBJ_SAMBASAMACCOUNT);
4787
4788 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
4789 if (rc != LDAP_SUCCESS) {
4790 DEBUG(0,("ldapsam_delete_user: user search failed!\n"));
4791 return NT_STATUS_UNSUCCESSFUL;
4792 }
4793 talloc_autofree_ldapmsg(tmp_ctx, result);
4794
4795 num_result = ldap_count_entries(priv2ld(ldap_state), result);
4796
4797 if (num_result == 0) {
4798 DEBUG(0,("ldapsam_delete_user: user not found!\n"));
4799 return NT_STATUS_NO_SUCH_USER;
4800 }
4801
4802 if (num_result > 1) {
4803 DEBUG (0, ("ldapsam_delete_user: More than one user with name [%s] ?!\n", pdb_get_username(sam_acct)));
4804 return NT_STATUS_INTERNAL_DB_CORRUPTION;
4805 }
4806
4807 entry = ldap_first_entry(priv2ld(ldap_state), result);
4808 if (!entry) {
4809 return NT_STATUS_UNSUCCESSFUL;
4810 }
4811
4812 /* it is just a posix account, retrieve the dn for later use */
4813 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
4814 if (!dn) {
4815 DEBUG(0,("ldapsam_delete_user: Out of memory!\n"));
4816 return NT_STATUS_NO_MEMORY;
4817 }
4818
4819 rc = smbldap_delete(ldap_state->smbldap_state, dn);
4820 if (rc != LDAP_SUCCESS) {
4821 return NT_STATUS_UNSUCCESSFUL;
4822 }
4823
4824 flush_pwnam_cache();
4825
4826 return NT_STATUS_OK;
4827 }
4828
4829 /*
4830 * ldapsam_create_group creates a new
4831 * posixGroup and sambaGroupMapping object
4832 * in the ldap groups subtree
4833 *
4834 * The gid is allocated by winbindd.
4835 */
4836
4837 static NTSTATUS ldapsam_create_dom_group(struct pdb_methods *my_methods,
4838 TALLOC_CTX *tmp_ctx,
4839 const char *name,
4840 uint32 *rid)
4841 {
4842 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
4843 NTSTATUS ret;
4844 LDAPMessage *entry = NULL;
4845 LDAPMessage *result = NULL;
4846 uint32 num_result;
4847 BOOL is_new_entry = False;
4848 LDAPMod **mods = NULL;
4849 char *filter;
4850 char *groupsidstr;
4851 char *groupname;
4852 char *grouptype;
4853 char *gidstr;
4854 const char *dn = NULL;
4855 DOM_SID group_sid;
4856 gid_t gid = -1;
4857 int rc;
4858
4859 groupname = escape_ldap_string_alloc(name);
4860 filter = talloc_asprintf(tmp_ctx, "(&(cn=%s)(objectClass=%s))",
4861 groupname, LDAP_OBJ_POSIXGROUP);
4862 SAFE_FREE(groupname);
4863
4864 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
4865 if (rc != LDAP_SUCCESS) {
4866 DEBUG(0,("ldapsam_create_group: ldap search failed!\n"));
4867 return NT_STATUS_UNSUCCESSFUL;
4868 }
4869 talloc_autofree_ldapmsg(tmp_ctx, result);
4870
4871 num_result = ldap_count_entries(priv2ld(ldap_state), result);
4872
4873 if (num_result > 1) {
4874 DEBUG (0, ("ldapsam_create_group: There exists more than one group with name [%s]: bailing out!\n", name));
4875 return NT_STATUS_INTERNAL_DB_CORRUPTION;
4876 }
4877
4878 if (num_result == 1) {
4879 char *tmp;
4880 /* check if it is just a posix group.
4881 * or if there is a sid attached to this entry
4882 */
4883
4884 entry = ldap_first_entry(priv2ld(ldap_state), result);
4885 if (!entry) {
4886 return NT_STATUS_UNSUCCESSFUL;
4887 }
4888
4889 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "sambaSID", tmp_ctx);
4890 if (tmp) {
4891 DEBUG (1, ("ldapsam_create_group: The group [%s] already exist!\n", name));
4892 return NT_STATUS_GROUP_EXISTS;
4893 }
4894
4895 /* it is just a posix group, retrieve the gid and the dn for later use */
4896 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
4897 if (!tmp) {
4898 DEBUG (1, ("ldapsam_create_group: Couldn't retrieve the gidNumber for [%s]?!?!\n", name));
4899 return NT_STATUS_INTERNAL_DB_CORRUPTION;
4900 }
4901
4902 gid = strtoul(tmp, NULL, 10);
4903
4904 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
4905 if (!dn) {
4906 DEBUG(0,("ldapsam_create_group: Out of memory!\n"));
4907 return NT_STATUS_NO_MEMORY;
4908 }
4909 }
4910
4911 if (num_result == 0) {
4912 DEBUG(3,("ldapsam_create_user: Creating new posix group\n"));
4913
4914 is_new_entry = True;
4915
4916 /* lets allocate a new groupid for this group */
4917 if (!winbind_allocate_gid(&gid)) {
4918 DEBUG (0, ("ldapsam_create_group: Unable to allocate a new group id: bailing out!\n"));
4919 return NT_STATUS_UNSUCCESSFUL;
4920 }
4921
4922 gidstr = talloc_asprintf(tmp_ctx, "%d", gid);
4923 dn = talloc_asprintf(tmp_ctx, "cn=%s,%s", name, lp_ldap_group_suffix());
4924
4925 if (!gidstr || !dn) {
4926 DEBUG (0, ("ldapsam_create_group: Out of memory!\n"));
4927 return NT_STATUS_NO_MEMORY;
4928 }
4929
4930 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_POSIXGROUP);
4931 smbldap_set_mod(&mods, LDAP_MOD_ADD, "cn", name);
4932 smbldap_set_mod(&mods, LDAP_MOD_ADD, "gidNumber", gidstr);
4933 }
4934
4935 if (!NT_STATUS_IS_OK((ret = ldapsam_get_new_rid(ldap_state, rid)))) {
4936 DEBUG(1, ("ldapsam_create_group: Could not allocate a new RID\n"));
4937 return ret;
4938 }
4939
4940 sid_compose(&group_sid, get_global_sam_sid(), *rid);
4941
4942 groupsidstr = talloc_strdup(tmp_ctx, sid_string_static(&group_sid));
4943 grouptype = talloc_asprintf(tmp_ctx, "%d", SID_NAME_DOM_GRP);
4944
4945 if (!groupsidstr || !grouptype) {
4946 DEBUG(0,("ldapsam_create_group: Out of memory!\n"));
4947 return NT_STATUS_NO_MEMORY;
4948 }
4949
4950 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_GROUPMAP);
4951 smbldap_set_mod(&mods, LDAP_MOD_ADD, "sambaSid", groupsidstr);
4952 smbldap_set_mod(&mods, LDAP_MOD_ADD, "sambaGroupType", grouptype);
4953 smbldap_set_mod(&mods, LDAP_MOD_ADD, "displayName", name);
4954 talloc_autofree_ldapmod(tmp_ctx, mods);
4955
4956 if (is_new_entry) {
4957 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
4958 #if 0
4959 if (rc == LDAP_OBJECT_CLASS_VIOLATION) {
4960 /* This call may fail with rfc2307bis schema */
4961 /* Retry adding a structural class */
4962 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", "????");
4963 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
4964 }
4965 #endif
4966 } else {
4967 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
4968 }
4969
4970 if (rc != LDAP_SUCCESS) {
4971 DEBUG(0,("ldapsam_create_group: failed to create a new group [%s] (dn = %s)\n", name ,dn));
4972 return NT_STATUS_UNSUCCESSFUL;
4973 }
4974
4975 DEBUG(2,("ldapsam_create_group: added group [%s] in the LDAP database\n", name));
4976
4977 return NT_STATUS_OK;
4978 }
4979
4980 static NTSTATUS ldapsam_delete_dom_group(struct pdb_methods *my_methods, TALLOC_CTX *tmp_ctx, uint32 rid)
4981 {
4982 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
4983 LDAPMessage *result = NULL;
4984 LDAPMessage *entry = NULL;
4985 int num_result;
4986 const char *dn;
4987 char *gidstr;
4988 char *filter;
4989 DOM_SID group_sid;
4990 int rc;
4991
4992 /* get the group sid */
4993 sid_compose(&group_sid, get_global_sam_sid(), rid);
4994
4995 filter = talloc_asprintf(tmp_ctx,
4996 "(&(sambaSID=%s)"
4997 "(objectClass=%s)"
4998 "(objectClass=%s))",
4999 sid_string_static(&group_sid),
5000 LDAP_OBJ_POSIXGROUP,
5001 LDAP_OBJ_GROUPMAP);
5002
5003 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5004 if (rc != LDAP_SUCCESS) {
5005 DEBUG(1,("ldapsam_delete_dom_group: group search failed!\n"));
5006 return NT_STATUS_UNSUCCESSFUL;
5007 }
5008 talloc_autofree_ldapmsg(tmp_ctx, result);
5009
5010 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5011
5012 if (num_result == 0) {
5013 DEBUG(1,("ldapsam_delete_dom_group: group not found!\n"));
5014 return NT_STATUS_NO_SUCH_GROUP;
5015 }
5016
5017 if (num_result > 1) {
5018 DEBUG (0, ("ldapsam_delete_dom_group: More than one group with the same SID ?!\n"));
5019 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5020 }
5021
5022 entry = ldap_first_entry(priv2ld(ldap_state), result);
5023 if (!entry) {
5024 return NT_STATUS_UNSUCCESSFUL;
5025 }
5026
5027 /* here it is, retrieve the dn for later use */
5028 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5029 if (!dn) {
5030 DEBUG(0,("ldapsam_delete_dom_group: Out of memory!\n"));
5031 return NT_STATUS_NO_MEMORY;
5032 }
5033
5034 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5035 if (!gidstr) {
5036 DEBUG (0, ("ldapsam_delete_dom_group: Unable to find the group's gid!\n"));
5037 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5038 }
5039
5040 /* check no user have this group marked as primary group */
5041 filter = talloc_asprintf(tmp_ctx,
5042 "(&(gidNumber=%s)"
5043 "(objectClass=%s)"
5044 "(objectClass=%s))",
5045 gidstr,
5046 LDAP_OBJ_POSIXACCOUNT,
5047 LDAP_OBJ_SAMBASAMACCOUNT);
5048
5049 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5050 if (rc != LDAP_SUCCESS) {
5051 DEBUG(1,("ldapsam_delete_dom_group: accounts search failed!\n"));
5052 return NT_STATUS_UNSUCCESSFUL;
5053 }
5054 talloc_autofree_ldapmsg(tmp_ctx, result);
5055
5056 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5057
5058 if (num_result != 0) {
5059 DEBUG(3,("ldapsam_delete_dom_group: Can't delete group, it is a primary group for %d users\n", num_result));
5060 return NT_STATUS_MEMBERS_PRIMARY_GROUP;
5061 }
5062
5063 rc = smbldap_delete(ldap_state->smbldap_state, dn);
5064 if (rc != LDAP_SUCCESS) {
5065 return NT_STATUS_UNSUCCESSFUL;
5066 }
5067
5068 return NT_STATUS_OK;
5069 }
5070
5071 static NTSTATUS ldapsam_change_groupmem(struct pdb_methods *my_methods,
5072 TALLOC_CTX *tmp_ctx,
5073 uint32 group_rid,
5074 uint32 member_rid,
5075 int modop)
5076 {
5077 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5078 LDAPMessage *entry = NULL;
5079 LDAPMessage *result = NULL;
5080 uint32 num_result;
5081 LDAPMod **mods = NULL;
5082 char *filter;
5083 char *uidstr;
5084 const char *dn = NULL;
5085 DOM_SID group_sid;
5086 DOM_SID member_sid;
5087 int rc;
5088
5089 switch (modop) {
5090 case LDAP_MOD_ADD:
5091 DEBUG(1,("ldapsam_change_groupmem: add new member(rid=%d) to a domain group(rid=%d)", member_rid, group_rid));
5092 break;
5093 case LDAP_MOD_DELETE:
5094 DEBUG(1,("ldapsam_change_groupmem: delete member(rid=%d) from a domain group(rid=%d)", member_rid, group_rid));
5095 break;
5096 default:
5097 return NT_STATUS_UNSUCCESSFUL;
5098 }
5099
5100 /* get member sid */
5101 sid_compose(&member_sid, get_global_sam_sid(), member_rid);
5102
5103 /* get the group sid */
5104 sid_compose(&group_sid, get_global_sam_sid(), group_rid);
5105
5106 filter = talloc_asprintf(tmp_ctx,
5107 "(&(sambaSID=%s)"
5108 "(objectClass=%s)"
5109 "(objectClass=%s))",
5110 sid_string_static(&member_sid),
5111 LDAP_OBJ_POSIXACCOUNT,
5112 LDAP_OBJ_SAMBASAMACCOUNT);
5113
5114 /* get the member uid */
5115 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5116 if (rc != LDAP_SUCCESS) {
5117 DEBUG(1,("ldapsam_change_groupmem: member search failed!\n"));
5118 return NT_STATUS_UNSUCCESSFUL;
5119 }
5120 talloc_autofree_ldapmsg(tmp_ctx, result);
5121
5122 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5123
5124 if (num_result == 0) {
5125 DEBUG(1,("ldapsam_change_groupmem: member not found!\n"));
5126 return NT_STATUS_NO_SUCH_MEMBER;
5127 }
5128
5129 if (num_result > 1) {
5130 DEBUG (0, ("ldapsam_change_groupmem: More than one account with the same SID ?!\n"));
5131 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5132 }
5133
5134 entry = ldap_first_entry(priv2ld(ldap_state), result);
5135 if (!entry) {
5136 return NT_STATUS_UNSUCCESSFUL;
5137 }
5138
5139 if (modop == LDAP_MOD_DELETE) {
5140 /* check if we are trying to remove the member from his primary group */
5141 char *gidstr;
5142 gid_t user_gid, group_gid;
5143
5144 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5145 if (!gidstr) {
5146 DEBUG (0, ("ldapsam_change_groupmem: Unable to find the member's gid!\n"));
5147 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5148 }
5149
5150 user_gid = strtoul(gidstr, NULL, 10);
5151
5152 if (!sid_to_gid(&group_sid, &group_gid)) {
5153 DEBUG (0, ("ldapsam_change_groupmem: Unable to get group gid from SID!\n"));
5154 return NT_STATUS_UNSUCCESSFUL;
5155 }
5156
5157 if (user_gid == group_gid) {
5158 DEBUG (3, ("ldapsam_change_groupmem: can't remove user from it's own primary group!\n"));
5159 return NT_STATUS_MEMBERS_PRIMARY_GROUP;
5160 }
5161 }
5162
5163 /* here it is, retrieve the uid for later use */
5164 uidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "uid", tmp_ctx);
5165 if (!uidstr) {
5166 DEBUG (0, ("ldapsam_change_groupmem: Unable to find the member's name!\n"));
5167 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5168 }
5169
5170 filter = talloc_asprintf(tmp_ctx,
5171 "(&(sambaSID=%s)"
5172 "(objectClass=%s)"
5173 "(objectClass=%s))",
5174 sid_string_static(&group_sid),
5175 LDAP_OBJ_POSIXGROUP,
5176 LDAP_OBJ_GROUPMAP);
5177
5178 /* get the group */
5179 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5180 if (rc != LDAP_SUCCESS) {
5181 DEBUG(1,("ldapsam_change_groupmem: group search failed!\n"));
5182 return NT_STATUS_UNSUCCESSFUL;
5183 }
5184 talloc_autofree_ldapmsg(tmp_ctx, result);
5185
5186 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5187
5188 if (num_result == 0) {
5189 DEBUG(1,("ldapsam_change_groupmem: group not found!\n"));
5190 return NT_STATUS_NO_SUCH_GROUP;
5191 }
5192
5193 if (num_result > 1) {
5194 DEBUG (0, ("ldapsam_change_groupmem: More than one group with the same SID ?!\n"));
5195 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5196 }
5197
5198 entry = ldap_first_entry(priv2ld(ldap_state), result);
5199 if (!entry) {
5200 return NT_STATUS_UNSUCCESSFUL;
5201 }
5202
5203 /* here it is, retrieve the dn for later use */
5204 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5205 if (!dn) {
5206 DEBUG(0,("ldapsam_change_groupmem: Out of memory!\n"));
5207 return NT_STATUS_NO_MEMORY;
5208 }
5209
5210 smbldap_set_mod(&mods, modop, "memberUid", uidstr);
5211
5212 talloc_autofree_ldapmod(tmp_ctx, mods);
5213
5214 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5215 if (rc != LDAP_SUCCESS) {
5216 if (rc == LDAP_TYPE_OR_VALUE_EXISTS && modop == LDAP_MOD_ADD) {
5217 DEBUG(1,("ldapsam_change_groupmem: member is already in group, add failed!\n"));
5218 return NT_STATUS_MEMBER_IN_GROUP;
5219 }
5220 if (rc == LDAP_NO_SUCH_ATTRIBUTE && modop == LDAP_MOD_DELETE) {
5221 DEBUG(1,("ldapsam_change_groupmem: member is not in group, delete failed!\n"));
5222 return NT_STATUS_MEMBER_NOT_IN_GROUP;
5223 }
5224 return NT_STATUS_UNSUCCESSFUL;
5225 }
5226
5227 return NT_STATUS_OK;
5228 }
5229
5230 static NTSTATUS ldapsam_add_groupmem(struct pdb_methods *my_methods,
5231 TALLOC_CTX *tmp_ctx,
5232 uint32 group_rid,
5233 uint32 member_rid)
5234 {
5235 return ldapsam_change_groupmem(my_methods, tmp_ctx, group_rid, member_rid, LDAP_MOD_ADD);
5236 }
5237 static NTSTATUS ldapsam_del_groupmem(struct pdb_methods *my_methods,
5238 TALLOC_CTX *tmp_ctx,
5239 uint32 group_rid,
5240 uint32 member_rid)
5241 {
5242 return ldapsam_change_groupmem(my_methods, tmp_ctx, group_rid, member_rid, LDAP_MOD_DELETE);
5243 }
5244
5245 static NTSTATUS ldapsam_set_primary_group(struct pdb_methods *my_methods,
5246 TALLOC_CTX *mem_ctx,
5247 struct samu *sampass)
5248 {
5249 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5250 LDAPMessage *entry = NULL;
5251 LDAPMessage *result = NULL;
5252 uint32 num_result;
5253 LDAPMod **mods = NULL;
5254 char *filter;
5255 char *gidstr;
5256 const char *dn = NULL;
5257 gid_t gid;
5258 int rc;
5259
5260 DEBUG(0,("ldapsam_set_primary_group: Attempt to set primary group for user [%s]\n", pdb_get_username(sampass)));
5261
5262 if (!sid_to_gid(pdb_get_group_sid(sampass), &gid)) {
5263 DEBUG(0,("ldapsam_set_primary_group: failed to retieve gid from user's group SID!\n"));
5264 return NT_STATUS_UNSUCCESSFUL;
5265 }
5266 gidstr = talloc_asprintf(mem_ctx, "%d", gid);
5267 if (!gidstr) {
5268 DEBUG(0,("ldapsam_set_primary_group: Out of Memory!\n"));
5269 return NT_STATUS_NO_MEMORY;
5270 }
5271
5272 filter = talloc_asprintf(mem_ctx,
5273 "(&(uid=%s)"
5274 "(objectClass=%s)"
5275 "(objectClass=%s))",
5276 pdb_get_username(sampass),
5277 LDAP_OBJ_POSIXACCOUNT,
5278 LDAP_OBJ_SAMBASAMACCOUNT);
5279
5280 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5281 if (rc != LDAP_SUCCESS) {
5282 DEBUG(0,("ldapsam_set_primary_group: user search failed!\n"));
5283 return NT_STATUS_UNSUCCESSFUL;
5284 }
5285 talloc_autofree_ldapmsg(mem_ctx, result);
5286
5287 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5288
5289 if (num_result == 0) {
5290 DEBUG(0,("ldapsam_set_primary_group: user not found!\n"));
5291 return NT_STATUS_NO_SUCH_USER;
5292 }
5293
5294 if (num_result > 1) {
5295 DEBUG (0, ("ldapsam_set_primary_group: More than one user with name [%s] ?!\n", pdb_get_username(sampass)));
5296 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5297 }
5298
5299 entry = ldap_first_entry(priv2ld(ldap_state), result);
5300 if (!entry) {
5301 return NT_STATUS_UNSUCCESSFUL;
5302 }
5303
5304 /* retrieve the dn for later use */
5305 dn = smbldap_talloc_dn(mem_ctx, priv2ld(ldap_state), entry);
5306 if (!dn) {
5307 DEBUG(0,("ldapsam_set_primary_group: Out of memory!\n"));
5308 return NT_STATUS_NO_MEMORY;
5309 }
5310
5311 /* remove the old one, and add the new one, this way we do not risk races */
5312 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "gidNumber", gidstr);
5313
5314 if (mods == NULL) {
5315 return NT_STATUS_OK;
5316 }
5317
5318 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5319
5320 if (rc != LDAP_SUCCESS) {
5321 DEBUG(0,("ldapsam_set_primary_group: failed to modify [%s] primary group to [%s]\n",
5322 pdb_get_username(sampass), gidstr));
5323 return NT_STATUS_UNSUCCESSFUL;
5324 }
5325
5326 flush_pwnam_cache();
5327
5328 return NT_STATUS_OK;
5329 }
5330
5331 /**********************************************************************
5332 Housekeeping
5333 *********************************************************************/
5334
5335 static void free_private_data(void **vp)
5336 {
5337 struct ldapsam_privates **ldap_state = (struct ldapsam_privates **)vp;
5338
5339 smbldap_free_struct(&(*ldap_state)->smbldap_state);
5340
5341 if ((*ldap_state)->result != NULL) {
5342 ldap_msgfree((*ldap_state)->result);
5343 (*ldap_state)->result = NULL;
5344 }
5345 if ((*ldap_state)->domain_dn != NULL) {
5346 SAFE_FREE((*ldap_state)->domain_dn);
5347 }
5348
5349 *ldap_state = NULL;
5350
5351 /* No need to free any further, as it is talloc()ed */
5352 }
5353
5354 /*********************************************************************
5355 Intitalise the parts of the pdb_methods structure that are common to
5356 all pdb_ldap modes
5357 *********************************************************************/
5358
5359 static NTSTATUS pdb_init_ldapsam_common(struct pdb_methods **pdb_method, const char *location)
5360 {
5361 NTSTATUS nt_status;
5362 struct ldapsam_privates *ldap_state;
5363
5364 if (!NT_STATUS_IS_OK(nt_status = make_pdb_method( pdb_method ))) {
5365 return nt_status;
5366 }
5367
5368 (*pdb_method)->name = "ldapsam";
5369
5370 (*pdb_method)->setsampwent = ldapsam_setsampwent;
5371 (*pdb_method)->endsampwent = ldapsam_endsampwent;
5372 (*pdb_method)->getsampwent = ldapsam_getsampwent;
5373 (*pdb_method)->getsampwnam = ldapsam_getsampwnam;
5374 (*pdb_method)->getsampwsid = ldapsam_getsampwsid;
5375 (*pdb_method)->add_sam_account = ldapsam_add_sam_account;
5376 (*pdb_method)->update_sam_account = ldapsam_update_sam_account;
5377 (*pdb_method)->delete_sam_account = ldapsam_delete_sam_account;
5378 (*pdb_method)->rename_sam_account = ldapsam_rename_sam_account;
5379
5380 (*pdb_method)->getgrsid = ldapsam_getgrsid;
5381 (*pdb_method)->getgrgid = ldapsam_getgrgid;
5382 (*pdb_method)->getgrnam = ldapsam_getgrnam;
5383 (*pdb_method)->add_group_mapping_entry = ldapsam_add_group_mapping_entry;
5384 (*pdb_method)->update_group_mapping_entry = ldapsam_update_group_mapping_entry;
5385 (*pdb_method)->delete_group_mapping_entry = ldapsam_delete_group_mapping_entry;
5386 (*pdb_method)->enum_group_mapping = ldapsam_enum_group_mapping;
5387
5388 (*pdb_method)->get_account_policy = ldapsam_get_account_policy;
5389 (*pdb_method)->set_account_policy = ldapsam_set_account_policy;
5390
5391 (*pdb_method)->get_seq_num = ldapsam_get_seq_num;
5392
5393 (*pdb_method)->rid_algorithm = ldapsam_rid_algorithm;
5394 (*pdb_method)->new_rid = ldapsam_new_rid;
5395
5396 /* TODO: Setup private data and free */
5397
5398 if ( !(ldap_state = TALLOC_ZERO_P(*pdb_method, struct ldapsam_privates)) ) {
5399 DEBUG(0, ("pdb_init_ldapsam_common: talloc() failed for ldapsam private_data!\n"));
5400 return NT_STATUS_NO_MEMORY;
5401 }
5402
5403 nt_status = smbldap_init(*pdb_method, location, &ldap_state->smbldap_state);
5404
5405 if ( !NT_STATUS_IS_OK(nt_status) ) {
5406 return nt_status;
5407 }
5408
5409 if ( !(ldap_state->domain_name = talloc_strdup(*pdb_method, get_global_sam_name()) ) ) {
5410 return NT_STATUS_NO_MEMORY;
5411 }
5412
5413 (*pdb_method)->private_data = ldap_state;
5414
5415 (*pdb_method)->free_private_data = free_private_data;
5416
5417 return NT_STATUS_OK;
5418 }
5419
5420 /**********************************************************************
5421 Initialise the 'compat' mode for pdb_ldap
5422 *********************************************************************/
5423
5424 NTSTATUS pdb_init_ldapsam_compat(struct pdb_methods **pdb_method, const char *location)
5425 {
5426 NTSTATUS nt_status;
5427 struct ldapsam_privates *ldap_state;
5428 char *uri = talloc_strdup( NULL, location );
5429
5430 #ifdef WITH_LDAP_SAMCONFIG
5431 if (!uri) {
5432 int ldap_port = lp_ldap_port();
5433
5434 /* remap default port if not using SSL (ie clear or TLS) */
5435 if ( (lp_ldap_ssl() != LDAP_SSL_ON) && (ldap_port == 636) ) {
5436 ldap_port = 389;
5437 }
5438
5439 uri = talloc_asprintf(NULL, "%s://%s:%d", lp_ldap_ssl() == LDAP_SSL_ON ? "ldaps" : "ldap", lp_ldap_server(), ldap_port);
5440 if (!uri) {
5441 return NT_STATUS_NO_MEMORY;
5442 }
5443 location = uri;
5444 }
5445 #endif
5446
5447 if (!NT_STATUS_IS_OK(nt_status = pdb_init_ldapsam_common( pdb_method, uri ))) {
5448 return nt_status;
5449 }
5450
5451 /* the module itself stores a copy of the location so throw this one away */
5452
5453 if ( uri )
5454 TALLOC_FREE( uri );
5455
5456 (*pdb_method)->name = "ldapsam_compat";
5457
5458 ldap_state = (*pdb_method)->private_data;
5459 ldap_state->schema_ver = SCHEMAVER_SAMBAACCOUNT;
5460
5461 sid_copy(&ldap_state->domain_sid, get_global_sam_sid());
5462
5463 return NT_STATUS_OK;
5464 }
5465
5466 /**********************************************************************
5467 Initialise the normal mode for pdb_ldap
5468 *********************************************************************/
5469
5470 NTSTATUS pdb_init_ldapsam(struct pdb_methods **pdb_method, const char *location)
5471 {
5472 NTSTATUS nt_status;
5473 struct ldapsam_privates *ldap_state;
5474 uint32 alg_rid_base;
5475 pstring alg_rid_base_string;
5476 LDAPMessage *result = NULL;
5477 LDAPMessage *entry = NULL;
5478 DOM_SID ldap_domain_sid;
5479 DOM_SID secrets_domain_sid;
5480 pstring domain_sid_string;
5481 char *dn;
5482
5483 nt_status = pdb_init_ldapsam_common(pdb_method, location);
5484 if (!NT_STATUS_IS_OK(nt_status)) {
5485 return nt_status;
5486 }
5487
5488 (*pdb_method)->name = "ldapsam";
5489
5490 (*pdb_method)->add_aliasmem = ldapsam_add_aliasmem;
5491 (*pdb_method)->del_aliasmem = ldapsam_del_aliasmem;
5492 (*pdb_method)->enum_aliasmem = ldapsam_enum_aliasmem;
5493 (*pdb_method)->enum_alias_memberships = ldapsam_alias_memberships;
5494 (*pdb_method)->search_users = ldapsam_search_users;
5495 (*pdb_method)->search_groups = ldapsam_search_groups;
5496 (*pdb_method)->search_aliases = ldapsam_search_aliases;
5497
5498 if (lp_parm_bool(-1, "ldapsam", "trusted", False)) {
5499 (*pdb_method)->enum_group_members = ldapsam_enum_group_members;
5500 (*pdb_method)->enum_group_memberships =
5501 ldapsam_enum_group_memberships;
5502 (*pdb_method)->lookup_rids = ldapsam_lookup_rids;
5503 (*pdb_method)->sid_to_id = ldapsam_sid_to_id;
5504
5505 if (lp_parm_bool(-1, "ldapsam", "editposix", False)) {
5506 (*pdb_method)->create_user = ldapsam_create_user;
5507 (*pdb_method)->delete_user = ldapsam_delete_user;
5508 (*pdb_method)->create_dom_group = ldapsam_create_dom_group;
5509 (*pdb_method)->delete_dom_group = ldapsam_delete_dom_group;
5510 (*pdb_method)->add_groupmem = ldapsam_add_groupmem;
5511 (*pdb_method)->del_groupmem = ldapsam_del_groupmem;
5512 (*pdb_method)->set_unix_primary_group = ldapsam_set_primary_group;
5513 }
5514 }
5515
5516 ldap_state = (*pdb_method)->private_data;
5517 ldap_state->schema_ver = SCHEMAVER_SAMBASAMACCOUNT;
5518
5519 /* Try to setup the Domain Name, Domain SID, algorithmic rid base */
5520
5521 nt_status = smbldap_search_domain_info(ldap_state->smbldap_state,
5522 &result,
5523 ldap_state->domain_name, True);
5524
5525 if ( !NT_STATUS_IS_OK(nt_status) ) {
5526 DEBUG(2, ("pdb_init_ldapsam: WARNING: Could not get domain "
5527 "info, nor add one to the domain\n"));
5528 DEBUGADD(2, ("pdb_init_ldapsam: Continuing on regardless, "
5529 "will be unable to allocate new users/groups, "
5530 "and will risk BDCs having inconsistant SIDs\n"));
5531 sid_copy(&ldap_state->domain_sid, get_global_sam_sid());
5532 return NT_STATUS_OK;
5533 }
5534
5535 /* Given that the above might fail, everything below this must be
5536 * optional */
5537
5538 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
5539 result);
5540 if (!entry) {
5541 DEBUG(0, ("pdb_init_ldapsam: Could not get domain info "
5542 "entry\n"));
5543 ldap_msgfree(result);
5544 return NT_STATUS_UNSUCCESSFUL;
5545 }
5546
5547 dn = smbldap_get_dn(ldap_state->smbldap_state->ldap_struct, entry);
5548 if (!dn) {
5549 return NT_STATUS_UNSUCCESSFUL;
5550 }
5551
5552 ldap_state->domain_dn = smb_xstrdup(dn);
5553 ldap_memfree(dn);
5554
5555 if (smbldap_get_single_pstring(
5556 ldap_state->smbldap_state->ldap_struct,
5557 entry,
5558 get_userattr_key2string(ldap_state->schema_ver,
5559 LDAP_ATTR_USER_SID),
5560 domain_sid_string)) {
5561 BOOL found_sid;
5562 if (!string_to_sid(&ldap_domain_sid, domain_sid_string)) {
5563 DEBUG(1, ("pdb_init_ldapsam: SID [%s] could not be "
5564 "read as a valid SID\n", domain_sid_string));
5565 return NT_STATUS_INVALID_PARAMETER;
5566 }
5567 found_sid = secrets_fetch_domain_sid(ldap_state->domain_name,
5568 &secrets_domain_sid);
5569 if (!found_sid || !sid_equal(&secrets_domain_sid,
5570 &ldap_domain_sid)) {
5571 fstring new_sid_str, old_sid_str;
5572 DEBUG(1, ("pdb_init_ldapsam: Resetting SID for domain "
5573 "%s based on pdb_ldap results %s -> %s\n",
5574 ldap_state->domain_name,
5575 sid_to_string(old_sid_str,
5576 &secrets_domain_sid),
5577 sid_to_string(new_sid_str,
5578 &ldap_domain_sid)));
5579
5580 /* reset secrets.tdb sid */
5581 secrets_store_domain_sid(ldap_state->domain_name,
5582 &ldap_domain_sid);
5583 DEBUG(1, ("New global sam SID: %s\n",
5584 sid_to_string(new_sid_str,
5585 get_global_sam_sid())));
5586 }
5587 sid_copy(&ldap_state->domain_sid, &ldap_domain_sid);
5588 }
5589
5590 if (smbldap_get_single_pstring(
5591 ldap_state->smbldap_state->ldap_struct,
5592 entry,
5593 get_attr_key2string( dominfo_attr_list,
5594 LDAP_ATTR_ALGORITHMIC_RID_BASE ),
5595 alg_rid_base_string)) {
5596 alg_rid_base = (uint32)atol(alg_rid_base_string);
5597 if (alg_rid_base != algorithmic_rid_base()) {
5598 DEBUG(0, ("The value of 'algorithmic RID base' has "
5599 "changed since the LDAP\n"
5600 "database was initialised. Aborting. \n"));
5601 ldap_msgfree(result);
5602 return NT_STATUS_UNSUCCESSFUL;
5603 }
5604 }
5605 ldap_msgfree(result);
5606
5607 return NT_STATUS_OK;
5608 }
5609
5610 NTSTATUS pdb_ldap_init(void)
5611 {
5612 NTSTATUS nt_status;
5613 if (!NT_STATUS_IS_OK(nt_status = smb_register_passdb(PASSDB_INTERFACE_VERSION, "ldapsam", pdb_init_ldapsam)))
5614 return nt_status;
5615
5616 if (!NT_STATUS_IS_OK(nt_status = smb_register_passdb(PASSDB_INTERFACE_VERSION, "ldapsam_compat", pdb_init_ldapsam_compat)))
5617 return nt_status;
5618
5619 /* Let pdb_nds register backends */
5620 pdb_nds_init();
5621
5622 return NT_STATUS_OK;
5623 }
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