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r4904: sync up with 3.0 for 3.0.11pre2
[Samba.git] / source / passdb / pdb_ldap.c
blob8b7661d9a36fb86a3e9e0f4a3c26deaf60f68d2c
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
10 This program is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 2 of the License, or
13 (at your option) any later version.
14
15 This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
19
20 You should have received a copy of the GNU General Public License
21 along with this program; if not, write to the Free Software
22 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23
24 */
25
26 /* TODO:
27 * persistent connections: if using NSS LDAP, many connections are made
28 * however, using only one within Samba would be nice
29 *
30 * Clean up SSL stuff, compile on OpenLDAP 1.x, 2.x, and Netscape SDK
31 *
32 * Other LDAP based login attributes: accountExpires, etc.
33 * (should be the domain of Samba proper, but the sam_password/SAM_ACCOUNT
34 * structures don't have fields for some of these attributes)
35 *
36 * SSL is done, but can't get the certificate based authentication to work
37 * against on my test platform (Linux 2.4, OpenLDAP 2.x)
38 */
39
40 /* NOTE: this will NOT work against an Active Directory server
41 * due to the fact that the two password fields cannot be retrieved
42 * from a server; recommend using security = domain in this situation
43 * and/or winbind
44 */
45
46 #include "includes.h"
47
48 #undef DBGC_CLASS
49 #define DBGC_CLASS DBGC_PASSDB
50
51 #include <lber.h>
52 #include <ldap.h>
53
54 /*
55 * Work around versions of the LDAP client libs that don't have the OIDs
56 * defined, or have them defined under the old name.
57 * This functionality is really a factor of the server, not the client
58 *
59 */
60
61 #if defined(LDAP_EXOP_X_MODIFY_PASSWD) && !defined(LDAP_EXOP_MODIFY_PASSWD)
62 #define LDAP_EXOP_MODIFY_PASSWD LDAP_EXOP_X_MODIFY_PASSWD
63 #elif !defined(LDAP_EXOP_MODIFY_PASSWD)
64 #define LDAP_EXOP_MODIFY_PASSWD "1.3.6.1.4.1.4203.1.11.1"
65 #endif
66
67 #if defined(LDAP_EXOP_X_MODIFY_PASSWD_ID) && !defined(LDAP_EXOP_MODIFY_PASSWD_ID)
68 #define LDAP_TAG_EXOP_MODIFY_PASSWD_ID LDAP_EXOP_X_MODIFY_PASSWD_ID
69 #elif !defined(LDAP_EXOP_MODIFY_PASSWD_ID)
70 #define LDAP_TAG_EXOP_MODIFY_PASSWD_ID ((ber_tag_t) 0x80U)
71 #endif
72
73 #if defined(LDAP_EXOP_X_MODIFY_PASSWD_NEW) && !defined(LDAP_EXOP_MODIFY_PASSWD_NEW)
74 #define LDAP_TAG_EXOP_MODIFY_PASSWD_NEW LDAP_EXOP_X_MODIFY_PASSWD_NEW
75 #elif !defined(LDAP_EXOP_MODIFY_PASSWD_NEW)
76 #define LDAP_TAG_EXOP_MODIFY_PASSWD_NEW ((ber_tag_t) 0x82U)
77 #endif
78
79
80 #ifndef SAM_ACCOUNT
81 #define SAM_ACCOUNT struct sam_passwd
82 #endif
83
84 #include "smbldap.h"
85
86 struct ldapsam_privates {
87 struct smbldap_state *smbldap_state;
88
89 /* Former statics */
90 LDAPMessage *result;
91 LDAPMessage *entry;
92 int index;
93
94 const char *domain_name;
95 DOM_SID domain_sid;
96
97 /* configuration items */
98 int schema_ver;
99 };
100
101 /**********************************************************************
102 Free a LDAPMessage (one is stored on the SAM_ACCOUNT).
103 **********************************************************************/
104
105 static void private_data_free_fn(void **result)
106 {
107 ldap_msgfree(*result);
108 *result = NULL;
109 }
110
111 /**********************************************************************
112 Get the attribute name given a user schame version.
113 **********************************************************************/
114
115 static const char* get_userattr_key2string( int schema_ver, int key )
116 {
117 switch ( schema_ver ) {
118 case SCHEMAVER_SAMBAACCOUNT:
119 return get_attr_key2string( attrib_map_v22, key );
120
121 case SCHEMAVER_SAMBASAMACCOUNT:
122 return get_attr_key2string( attrib_map_v30, key );
123
124 default:
125 DEBUG(0,("get_userattr_key2string: unknown schema version specified\n"));
126 break;
127 }
128 return NULL;
129 }
130
131 /**********************************************************************
132 Return the list of attribute names given a user schema version.
133 **********************************************************************/
134
135 static char** get_userattr_list( int schema_ver )
136 {
137 switch ( schema_ver ) {
138 case SCHEMAVER_SAMBAACCOUNT:
139 return get_attr_list( attrib_map_v22 );
140
141 case SCHEMAVER_SAMBASAMACCOUNT:
142 return get_attr_list( attrib_map_v30 );
143 default:
144 DEBUG(0,("get_userattr_list: unknown schema version specified!\n"));
145 break;
146 }
147
148 return NULL;
149 }
150
151 /**************************************************************************
152 Return the list of attribute names to delete given a user schema version.
153 **************************************************************************/
154
155 static char** get_userattr_delete_list( int schema_ver )
156 {
157 switch ( schema_ver ) {
158 case SCHEMAVER_SAMBAACCOUNT:
159 return get_attr_list( attrib_map_to_delete_v22 );
160
161 case SCHEMAVER_SAMBASAMACCOUNT:
162 return get_attr_list( attrib_map_to_delete_v30 );
163 default:
164 DEBUG(0,("get_userattr_delete_list: unknown schema version specified!\n"));
165 break;
166 }
167
168 return NULL;
169 }
170
171
172 /*******************************************************************
173 Generate the LDAP search filter for the objectclass based on the
174 version of the schema we are using.
175 ******************************************************************/
176
177 static const char* get_objclass_filter( int schema_ver )
178 {
179 static fstring objclass_filter;
180
181 switch( schema_ver ) {
182 case SCHEMAVER_SAMBAACCOUNT:
183 fstr_sprintf( objclass_filter, "(objectclass=%s)", LDAP_OBJ_SAMBAACCOUNT );
184 break;
185 case SCHEMAVER_SAMBASAMACCOUNT:
186 fstr_sprintf( objclass_filter, "(objectclass=%s)", LDAP_OBJ_SAMBASAMACCOUNT );
187 break;
188 default:
189 DEBUG(0,("get_objclass_filter: Invalid schema version specified!\n"));
190 break;
191 }
192
193 return objclass_filter;
194 }
195
196 /*******************************************************************
197 Run the search by name.
198 ******************************************************************/
199
200 static int ldapsam_search_suffix_by_name (struct ldapsam_privates *ldap_state,
201 const char *user,
202 LDAPMessage ** result, char **attr)
203 {
204 pstring filter;
205 char *escape_user = escape_ldap_string_alloc(user);
206
207 if (!escape_user) {
208 return LDAP_NO_MEMORY;
209 }
210
211 /*
212 * in the filter expression, replace %u with the real name
213 * so in ldap filter, %u MUST exist :-)
214 */
215 pstr_sprintf(filter, "(&%s%s)", lp_ldap_filter(),
216 get_objclass_filter(ldap_state->schema_ver));
217
218 /*
219 * have to use this here because $ is filtered out
220 * in pstring_sub
221 */
222
223
224 all_string_sub(filter, "%u", escape_user, sizeof(pstring));
225 SAFE_FREE(escape_user);
226
227 return smbldap_search_suffix(ldap_state->smbldap_state, filter, attr, result);
228 }
229
230 /*******************************************************************
231 Run the search by rid.
232 ******************************************************************/
233
234 static int ldapsam_search_suffix_by_rid (struct ldapsam_privates *ldap_state,
235 uint32 rid, LDAPMessage ** result,
236 char **attr)
237 {
238 pstring filter;
239 int rc;
240
241 pstr_sprintf(filter, "(&(rid=%i)%s)", rid,
242 get_objclass_filter(ldap_state->schema_ver));
243
244 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, attr, result);
245
246 return rc;
247 }
248
249 /*******************************************************************
250 Run the search by SID.
251 ******************************************************************/
252
253 static int ldapsam_search_suffix_by_sid (struct ldapsam_privates *ldap_state,
254 const DOM_SID *sid, LDAPMessage ** result,
255 char **attr)
256 {
257 pstring filter;
258 int rc;
259 fstring sid_string;
260
261 pstr_sprintf(filter, "(&(%s=%s)%s)",
262 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_SID),
263 sid_to_string(sid_string, sid),
264 get_objclass_filter(ldap_state->schema_ver));
265
266 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, attr, result);
267
268 return rc;
269 }
270
271 /*******************************************************************
272 Delete complete object or objectclass and attrs from
273 object found in search_result depending on lp_ldap_delete_dn
274 ******************************************************************/
275
276 static NTSTATUS ldapsam_delete_entry(struct ldapsam_privates *ldap_state,
277 LDAPMessage *result,
278 const char *objectclass,
279 char **attrs)
280 {
281 int rc;
282 LDAPMessage *entry = NULL;
283 LDAPMod **mods = NULL;
284 char *name, *dn;
285 BerElement *ptr = NULL;
286
287 rc = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
288
289 if (rc != 1) {
290 DEBUG(0, ("ldapsam_delete_entry: Entry must exist exactly once!\n"));
291 return NT_STATUS_UNSUCCESSFUL;
292 }
293
294 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
295 dn = smbldap_get_dn(ldap_state->smbldap_state->ldap_struct, entry);
296 if (!dn) {
297 return NT_STATUS_UNSUCCESSFUL;
298 }
299
300 if (lp_ldap_delete_dn()) {
301 NTSTATUS ret = NT_STATUS_OK;
302 rc = smbldap_delete(ldap_state->smbldap_state, dn);
303
304 if (rc != LDAP_SUCCESS) {
305 DEBUG(0, ("ldapsam_delete_entry: Could not delete object %s\n", dn));
306 ret = NT_STATUS_UNSUCCESSFUL;
307 }
308 SAFE_FREE(dn);
309 return ret;
310 }
311
312 /* Ok, delete only the SAM attributes */
313
314 for (name = ldap_first_attribute(ldap_state->smbldap_state->ldap_struct, entry, &ptr);
315 name != NULL;
316 name = ldap_next_attribute(ldap_state->smbldap_state->ldap_struct, entry, ptr)) {
317 char **attrib;
318
319 /* We are only allowed to delete the attributes that
320 really exist. */
321
322 for (attrib = attrs; *attrib != NULL; attrib++) {
323 /* Don't delete LDAP_ATTR_MOD_TIMESTAMP attribute. */
324 if (strequal(*attrib, get_userattr_key2string(ldap_state->schema_ver,
325 LDAP_ATTR_MOD_TIMESTAMP))) {
326 continue;
327 }
328 if (strequal(*attrib, name)) {
329 DEBUG(10, ("ldapsam_delete_entry: deleting "
330 "attribute %s\n", name));
331 smbldap_set_mod(&mods, LDAP_MOD_DELETE, name,
332 NULL);
333 }
334 }
335
336 ldap_memfree(name);
337 }
338
339 if (ptr != NULL) {
340 ber_free(ptr, 0);
341 }
342
343 smbldap_set_mod(&mods, LDAP_MOD_DELETE, "objectClass", objectclass);
344
345 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
346 ldap_mods_free(mods, True);
347
348 if (rc != LDAP_SUCCESS) {
349 char *ld_error = NULL;
350 ldap_get_option(ldap_state->smbldap_state->ldap_struct, LDAP_OPT_ERROR_STRING,
351 &ld_error);
352
353 DEBUG(0, ("ldapsam_delete_entry: Could not delete attributes for %s, error: %s (%s)\n",
354 dn, ldap_err2string(rc), ld_error?ld_error:"unknown"));
355 SAFE_FREE(ld_error);
356 SAFE_FREE(dn);
357 return NT_STATUS_UNSUCCESSFUL;
358 }
359
360 SAFE_FREE(dn);
361 return NT_STATUS_OK;
362 }
363
364 /* New Interface is being implemented here */
365
366 #if 0 /* JERRY - not uesed anymore */
367
368 /**********************************************************************
369 Initialize SAM_ACCOUNT from an LDAP query (unix attributes only)
370 *********************************************************************/
371 static BOOL get_unix_attributes (struct ldapsam_privates *ldap_state,
372 SAM_ACCOUNT * sampass,
373 LDAPMessage * entry,
374 gid_t *gid)
375 {
376 pstring homedir;
377 pstring temp;
378 char **ldap_values;
379 char **values;
380
381 if ((ldap_values = ldap_get_values (ldap_state->smbldap_state->ldap_struct, entry, "objectClass")) == NULL) {
382 DEBUG (1, ("get_unix_attributes: no objectClass! \n"));
383 return False;
384 }
385
386 for (values=ldap_values;*values;values++) {
387 if (strequal(*values, LDAP_OBJ_POSIXACCOUNT )) {
388 break;
389 }
390 }
391
392 if (!*values) { /*end of array, no posixAccount */
393 DEBUG(10, ("user does not have %s attributes\n", LDAP_OBJ_POSIXACCOUNT));
394 ldap_value_free(ldap_values);
395 return False;
396 }
397 ldap_value_free(ldap_values);
398
399 if ( !smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
400 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_UNIX_HOME), homedir) )
401 {
402 return False;
403 }
404
405 if ( !smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
406 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_GIDNUMBER), temp) )
407 {
408 return False;
409 }
410
411 *gid = (gid_t)atol(temp);
412
413 pdb_set_unix_homedir(sampass, homedir, PDB_SET);
414
415 DEBUG(10, ("user has %s attributes\n", LDAP_OBJ_POSIXACCOUNT));
416
417 return True;
418 }
419
420 #endif
421
422 static time_t ldapsam_get_entry_timestamp(
423 struct ldapsam_privates *ldap_state,
424 LDAPMessage * entry)
425 {
426 pstring temp;
427 struct tm tm;
428
429 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
430 get_userattr_key2string(ldap_state->schema_ver,LDAP_ATTR_MOD_TIMESTAMP),
431 temp))
432 return (time_t) 0;
433
434 strptime(temp, "%Y%m%d%H%M%SZ", &tm);
435 tzset();
436 return timegm(&tm);
437 }
438
439 /**********************************************************************
440 Initialize SAM_ACCOUNT from an LDAP query.
441 (Based on init_sam_from_buffer in pdb_tdb.c)
442 *********************************************************************/
443
444 static BOOL init_sam_from_ldap (struct ldapsam_privates *ldap_state,
445 SAM_ACCOUNT * sampass,
446 LDAPMessage * entry)
447 {
448 time_t logon_time,
449 logoff_time,
450 kickoff_time,
451 pass_last_set_time,
452 pass_can_change_time,
453 pass_must_change_time,
454 ldap_entry_time,
455 bad_password_time;
456 pstring username,
457 domain,
458 nt_username,
459 fullname,
460 homedir,
461 dir_drive,
462 logon_script,
463 profile_path,
464 acct_desc,
465 workstations;
466 char munged_dial[2048];
467 uint32 user_rid;
468 uint8 smblmpwd[LM_HASH_LEN],
469 smbntpwd[NT_HASH_LEN];
470 uint16 acct_ctrl = 0,
471 logon_divs;
472 uint16 bad_password_count = 0,
473 logon_count = 0;
474 uint32 hours_len;
475 uint8 hours[MAX_HOURS_LEN];
476 pstring temp;
477 LOGIN_CACHE *cache_entry = NULL;
478 int pwHistLen;
479 pstring tmpstring;
480
481 /*
482 * do a little initialization
483 */
484 username[0] = '\0';
485 domain[0] = '\0';
486 nt_username[0] = '\0';
487 fullname[0] = '\0';
488 homedir[0] = '\0';
489 dir_drive[0] = '\0';
490 logon_script[0] = '\0';
491 profile_path[0] = '\0';
492 acct_desc[0] = '\0';
493 munged_dial[0] = '\0';
494 workstations[0] = '\0';
495
496
497 if (sampass == NULL || ldap_state == NULL || entry == NULL) {
498 DEBUG(0, ("init_sam_from_ldap: NULL parameters found!\n"));
499 return False;
500 }
501
502 if (ldap_state->smbldap_state->ldap_struct == NULL) {
503 DEBUG(0, ("init_sam_from_ldap: ldap_state->smbldap_state->ldap_struct is NULL!\n"));
504 return False;
505 }
506
507 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry, "uid", username)) {
508 DEBUG(1, ("init_sam_from_ldap: No uid attribute found for this user!\n"));
509 return False;
510 }
511
512 DEBUG(2, ("init_sam_from_ldap: Entry found for user: %s\n", username));
513
514 pstrcpy(nt_username, username);
515
516 pstrcpy(domain, ldap_state->domain_name);
517
518 pdb_set_username(sampass, username, PDB_SET);
519
520 pdb_set_domain(sampass, domain, PDB_DEFAULT);
521 pdb_set_nt_username(sampass, nt_username, PDB_SET);
522
523 /* deal with different attributes between the schema first */
524
525 if ( ldap_state->schema_ver == SCHEMAVER_SAMBASAMACCOUNT ) {
526 if (smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
527 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_SID), temp)) {
528 pdb_set_user_sid_from_string(sampass, temp, PDB_SET);
529 }
530
531 if (smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
532 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PRIMARY_GROUP_SID), temp)) {
533 pdb_set_group_sid_from_string(sampass, temp, PDB_SET);
534 } else {
535 pdb_set_group_sid_from_rid(sampass, DOMAIN_GROUP_RID_USERS, PDB_DEFAULT);
536 }
537 } else {
538 if (smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
539 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_RID), temp)) {
540 user_rid = (uint32)atol(temp);
541 pdb_set_user_sid_from_rid(sampass, user_rid, PDB_SET);
542 }
543
544 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
545 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PRIMARY_GROUP_RID), temp)) {
546 pdb_set_group_sid_from_rid(sampass, DOMAIN_GROUP_RID_USERS, PDB_DEFAULT);
547 } else {
548 uint32 group_rid;
549
550 group_rid = (uint32)atol(temp);
551
552 /* for some reason, we often have 0 as a primary group RID.
553 Make sure that we treat this just as a 'default' value */
554
555 if ( group_rid > 0 )
556 pdb_set_group_sid_from_rid(sampass, group_rid, PDB_SET);
557 else
558 pdb_set_group_sid_from_rid(sampass, DOMAIN_GROUP_RID_USERS, PDB_DEFAULT);
559 }
560 }
561
562 if (pdb_get_init_flags(sampass,PDB_USERSID) == PDB_DEFAULT) {
563 DEBUG(1, ("init_sam_from_ldap: no %s or %s attribute found for this user %s\n",
564 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_SID),
565 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_RID),
566 username));
567 return False;
568 }
569
570 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
571 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_LAST_SET), temp)) {
572 /* leave as default */
573 } else {
574 pass_last_set_time = (time_t) atol(temp);
575 pdb_set_pass_last_set_time(sampass, pass_last_set_time, PDB_SET);
576 }
577
578 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
579 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_TIME), temp)) {
580 /* leave as default */
581 } else {
582 logon_time = (time_t) atol(temp);
583 pdb_set_logon_time(sampass, logon_time, PDB_SET);
584 }
585
586 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
587 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGOFF_TIME), temp)) {
588 /* leave as default */
589 } else {
590 logoff_time = (time_t) atol(temp);
591 pdb_set_logoff_time(sampass, logoff_time, PDB_SET);
592 }
593
594 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
595 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_KICKOFF_TIME), temp)) {
596 /* leave as default */
597 } else {
598 kickoff_time = (time_t) atol(temp);
599 pdb_set_kickoff_time(sampass, kickoff_time, PDB_SET);
600 }
601
602 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
603 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_CAN_CHANGE), temp)) {
604 /* leave as default */
605 } else {
606 pass_can_change_time = (time_t) atol(temp);
607 pdb_set_pass_can_change_time(sampass, pass_can_change_time, PDB_SET);
608 }
609
610 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
611 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_MUST_CHANGE), temp)) {
612 /* leave as default */
613 } else {
614 pass_must_change_time = (time_t) atol(temp);
615 pdb_set_pass_must_change_time(sampass, pass_must_change_time, PDB_SET);
616 }
617
618 /* recommend that 'gecos' and 'displayName' should refer to the same
619 * attribute OID. userFullName depreciated, only used by Samba
620 * primary rules of LDAP: don't make a new attribute when one is already defined
621 * that fits your needs; using cn then displayName rather than 'userFullName'
622 */
623
624 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
625 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DISPLAY_NAME), fullname)) {
626 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
627 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_CN), fullname)) {
628 /* leave as default */
629 } else {
630 pdb_set_fullname(sampass, fullname, PDB_SET);
631 }
632 } else {
633 pdb_set_fullname(sampass, fullname, PDB_SET);
634 }
635
636 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
637 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_DRIVE), dir_drive))
638 {
639 pdb_set_dir_drive( sampass, lp_logon_drive(), PDB_DEFAULT );
640 } else {
641 pdb_set_dir_drive(sampass, dir_drive, PDB_SET);
642 }
643
644 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
645 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_PATH), homedir))
646 {
647 pdb_set_homedir( sampass,
648 talloc_sub_basic(sampass->mem_ctx, username, lp_logon_home()),
649 PDB_DEFAULT );
650 } else {
651 pstrcpy( tmpstring, homedir );
652 standard_sub_basic( username, tmpstring, sizeof(tmpstring) );
653 pdb_set_homedir(sampass, tmpstring, PDB_SET);
654 }
655
656 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
657 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_SCRIPT), logon_script))
658 {
659 pdb_set_logon_script( sampass,
660 talloc_sub_basic(sampass->mem_ctx, username, lp_logon_script()),
661 PDB_DEFAULT );
662 } else {
663 pstrcpy( tmpstring, logon_script );
664 standard_sub_basic( username, tmpstring, sizeof(tmpstring) );
665 pdb_set_logon_script(sampass, tmpstring, PDB_SET);
666 }
667
668 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
669 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PROFILE_PATH), profile_path))
670 {
671 pdb_set_profile_path( sampass,
672 talloc_sub_basic( sampass->mem_ctx, username, lp_logon_path()),
673 PDB_DEFAULT );
674 } else {
675 pstrcpy( tmpstring, profile_path );
676 standard_sub_basic( username, tmpstring, sizeof(tmpstring) );
677 pdb_set_profile_path(sampass, tmpstring, PDB_SET);
678 }
679
680 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
681 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DESC), acct_desc))
682 {
683 /* leave as default */
684 } else {
685 pdb_set_acct_desc(sampass, acct_desc, PDB_SET);
686 }
687
688 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
689 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_WKS), workstations)) {
690 /* leave as default */;
691 } else {
692 pdb_set_workstations(sampass, workstations, PDB_SET);
693 }
694
695 if (!smbldap_get_single_attribute(ldap_state->smbldap_state->ldap_struct, entry,
696 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_MUNGED_DIAL), munged_dial, sizeof(munged_dial))) {
697 /* leave as default */;
698 } else {
699 pdb_set_munged_dial(sampass, munged_dial, PDB_SET);
700 }
701
702 /* FIXME: hours stuff should be cleaner */
703
704 logon_divs = 168;
705 hours_len = 21;
706 memset(hours, 0xff, hours_len);
707
708 if (!smbldap_get_single_pstring (ldap_state->smbldap_state->ldap_struct, entry,
709 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LMPW), temp)) {
710 /* leave as default */
711 } else {
712 pdb_gethexpwd(temp, smblmpwd);
713 memset((char *)temp, '\0', strlen(temp)+1);
714 if (!pdb_set_lanman_passwd(sampass, smblmpwd, PDB_SET))
715 return False;
716 ZERO_STRUCT(smblmpwd);
717 }
718
719 if (!smbldap_get_single_pstring (ldap_state->smbldap_state->ldap_struct, entry,
720 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_NTPW), temp)) {
721 /* leave as default */
722 } else {
723 pdb_gethexpwd(temp, smbntpwd);
724 memset((char *)temp, '\0', strlen(temp)+1);
725 if (!pdb_set_nt_passwd(sampass, smbntpwd, PDB_SET))
726 return False;
727 ZERO_STRUCT(smbntpwd);
728 }
729
730 account_policy_get(AP_PASSWORD_HISTORY, &pwHistLen);
731 if (pwHistLen > 0){
732 uint8 *pwhist = NULL;
733 int i;
734
735 /* We can only store (sizeof(pstring)-1)/64 password history entries. */
736 pwHistLen = MIN(pwHistLen, ((sizeof(temp)-1)/64));
737
738 if ((pwhist = SMB_MALLOC(pwHistLen * PW_HISTORY_ENTRY_LEN)) == NULL){
739 DEBUG(0, ("init_sam_from_ldap: malloc failed!\n"));
740 return False;
741 }
742 memset(pwhist, '\0', pwHistLen * PW_HISTORY_ENTRY_LEN);
743
744 if (!smbldap_get_single_pstring (ldap_state->smbldap_state->ldap_struct, entry,
745 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_HISTORY), temp)) {
746 /* leave as default - zeros */
747 } else {
748 BOOL hex_failed = False;
749 for (i = 0; i < pwHistLen; i++){
750 /* Get the 16 byte salt. */
751 if (!pdb_gethexpwd(&temp[i*64], &pwhist[i*PW_HISTORY_ENTRY_LEN])) {
752 hex_failed = True;
753 break;
754 }
755 /* Get the 16 byte MD5 hash of salt+passwd. */
756 if (!pdb_gethexpwd(&temp[(i*64)+32],
757 &pwhist[(i*PW_HISTORY_ENTRY_LEN)+PW_HISTORY_SALT_LEN])) {
758 hex_failed = True;
759 break;
760 }
761 }
762 if (hex_failed) {
763 DEBUG(0,("init_sam_from_ldap: Failed to get password history for user %s\n",
764 username));
765 memset(pwhist, '\0', pwHistLen * PW_HISTORY_ENTRY_LEN);
766 }
767 }
768 if (!pdb_set_pw_history(sampass, pwhist, pwHistLen, PDB_SET)){
769 SAFE_FREE(pwhist);
770 return False;
771 }
772 SAFE_FREE(pwhist);
773 }
774
775 if (!smbldap_get_single_pstring (ldap_state->smbldap_state->ldap_struct, entry,
776 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_ACB_INFO), temp)) {
777 acct_ctrl |= ACB_NORMAL;
778 } else {
779 acct_ctrl = pdb_decode_acct_ctrl(temp);
780
781 if (acct_ctrl == 0)
782 acct_ctrl |= ACB_NORMAL;
783
784 pdb_set_acct_ctrl(sampass, acct_ctrl, PDB_SET);
785 }
786
787 pdb_set_hours_len(sampass, hours_len, PDB_SET);
788 pdb_set_logon_divs(sampass, logon_divs, PDB_SET);
789
790 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
791 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_BAD_PASSWORD_COUNT), temp)) {
792 /* leave as default */
793 } else {
794 bad_password_count = (uint32) atol(temp);
795 pdb_set_bad_password_count(sampass, bad_password_count, PDB_SET);
796 }
797
798 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
799 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_BAD_PASSWORD_TIME), temp)) {
800 /* leave as default */
801 } else {
802 bad_password_time = (time_t) atol(temp);
803 pdb_set_bad_password_time(sampass, bad_password_time, PDB_SET);
804 }
805
806
807 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
808 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_COUNT), temp)) {
809 /* leave as default */
810 } else {
811 logon_count = (uint32) atol(temp);
812 pdb_set_logon_count(sampass, logon_count, PDB_SET);
813 }
814
815 /* pdb_set_unknown_6(sampass, unknown6, PDB_SET); */
816
817 if(!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
818 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_HOURS), temp)) {
819 /* leave as default */
820 } else {
821 pdb_gethexhours(temp, hours);
822 memset((char *)temp, '\0', strlen(temp) +1);
823 pdb_set_hours(sampass, hours, PDB_SET);
824 ZERO_STRUCT(hours);
825 }
826
827 /* check the timestamp of the cache vs ldap entry */
828 if (!(ldap_entry_time = ldapsam_get_entry_timestamp(ldap_state,
829 entry)))
830 return True;
831
832 /* see if we have newer updates */
833 if (!(cache_entry = login_cache_read(sampass))) {
834 DEBUG (9, ("No cache entry, bad count = %u, bad time = %u\n",
835 (unsigned int)pdb_get_bad_password_count(sampass),
836 (unsigned int)pdb_get_bad_password_time(sampass)));
837 return True;
838 }
839
840 DEBUG(7, ("ldap time is %u, cache time is %u, bad time = %u\n",
841 (unsigned int)ldap_entry_time, (unsigned int)cache_entry->entry_timestamp,
842 (unsigned int)cache_entry->bad_password_time));
843
844 if (ldap_entry_time > cache_entry->entry_timestamp) {
845 /* cache is older than directory , so
846 we need to delete the entry but allow the
847 fields to be written out */
848 login_cache_delentry(sampass);
849 } else {
850 /* read cache in */
851 pdb_set_acct_ctrl(sampass,
852 pdb_get_acct_ctrl(sampass) |
853 (cache_entry->acct_ctrl & ACB_AUTOLOCK),
854 PDB_SET);
855 pdb_set_bad_password_count(sampass,
856 cache_entry->bad_password_count,
857 PDB_SET);
858 pdb_set_bad_password_time(sampass,
859 cache_entry->bad_password_time,
860 PDB_SET);
861 }
862
863 SAFE_FREE(cache_entry);
864 return True;
865 }
866
867 /**********************************************************************
868 Initialize the ldap db from a SAM_ACCOUNT. Called on update.
869 (Based on init_buffer_from_sam in pdb_tdb.c)
870 *********************************************************************/
871
872 static BOOL init_ldap_from_sam (struct ldapsam_privates *ldap_state,
873 LDAPMessage *existing,
874 LDAPMod *** mods, SAM_ACCOUNT * sampass,
875 BOOL (*need_update)(const SAM_ACCOUNT *,
876 enum pdb_elements))
877 {
878 pstring temp;
879 uint32 rid;
880
881 if (mods == NULL || sampass == NULL) {
882 DEBUG(0, ("init_ldap_from_sam: NULL parameters found!\n"));
883 return False;
884 }
885
886 *mods = NULL;
887
888 /*
889 * took out adding "objectclass: sambaAccount"
890 * do this on a per-mod basis
891 */
892 if (need_update(sampass, PDB_USERNAME))
893 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
894 "uid", pdb_get_username(sampass));
895
896 DEBUG(2, ("init_ldap_from_sam: Setting entry for user: %s\n", pdb_get_username(sampass)));
897
898 /* only update the RID if we actually need to */
899 if (need_update(sampass, PDB_USERSID)) {
900 fstring sid_string;
901 fstring dom_sid_string;
902 const DOM_SID *user_sid = pdb_get_user_sid(sampass);
903
904 switch ( ldap_state->schema_ver ) {
905 case SCHEMAVER_SAMBAACCOUNT:
906 if (!sid_peek_check_rid(&ldap_state->domain_sid, user_sid, &rid)) {
907 DEBUG(1, ("init_ldap_from_sam: User's SID (%s) is not for this domain (%s), cannot add to LDAP!\n",
908 sid_to_string(sid_string, user_sid),
909 sid_to_string(dom_sid_string, &ldap_state->domain_sid)));
910 return False;
911 }
912 slprintf(temp, sizeof(temp) - 1, "%i", rid);
913 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
914 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_RID),
915 temp);
916 break;
917
918 case SCHEMAVER_SAMBASAMACCOUNT:
919 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
920 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_SID),
921 sid_to_string(sid_string, user_sid));
922 break;
923
924 default:
925 DEBUG(0,("init_ldap_from_sam: unknown schema version specified\n"));
926 break;
927 }
928 }
929
930 /* we don't need to store the primary group RID - so leaving it
931 'free' to hang off the unix primary group makes life easier */
932
933 if (need_update(sampass, PDB_GROUPSID)) {
934 fstring sid_string;
935 fstring dom_sid_string;
936 const DOM_SID *group_sid = pdb_get_group_sid(sampass);
937
938 switch ( ldap_state->schema_ver ) {
939 case SCHEMAVER_SAMBAACCOUNT:
940 if (!sid_peek_check_rid(&ldap_state->domain_sid, group_sid, &rid)) {
941 DEBUG(1, ("init_ldap_from_sam: User's Primary Group SID (%s) is not for this domain (%s), cannot add to LDAP!\n",
942 sid_to_string(sid_string, group_sid),
943 sid_to_string(dom_sid_string, &ldap_state->domain_sid)));
944 return False;
945 }
946
947 slprintf(temp, sizeof(temp) - 1, "%i", rid);
948 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
949 get_userattr_key2string(ldap_state->schema_ver,
950 LDAP_ATTR_PRIMARY_GROUP_RID), temp);
951 break;
952
953 case SCHEMAVER_SAMBASAMACCOUNT:
954 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
955 get_userattr_key2string(ldap_state->schema_ver,
956 LDAP_ATTR_PRIMARY_GROUP_SID), sid_to_string(sid_string, group_sid));
957 break;
958
959 default:
960 DEBUG(0,("init_ldap_from_sam: unknown schema version specified\n"));
961 break;
962 }
963
964 }
965
966 /* displayName, cn, and gecos should all be the same
967 * most easily accomplished by giving them the same OID
968 * gecos isn't set here b/c it should be handled by the
969 * add-user script
970 * We change displayName only and fall back to cn if
971 * it does not exist.
972 */
973
974 if (need_update(sampass, PDB_FULLNAME))
975 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
976 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DISPLAY_NAME),
977 pdb_get_fullname(sampass));
978
979 if (need_update(sampass, PDB_ACCTDESC))
980 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
981 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DESC),
982 pdb_get_acct_desc(sampass));
983
984 if (need_update(sampass, PDB_WORKSTATIONS))
985 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
986 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_WKS),
987 pdb_get_workstations(sampass));
988
989 if (need_update(sampass, PDB_MUNGEDDIAL))
990 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
991 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_MUNGED_DIAL),
992 pdb_get_munged_dial(sampass));
993
994 if (need_update(sampass, PDB_SMBHOME))
995 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
996 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_PATH),
997 pdb_get_homedir(sampass));
998
999 if (need_update(sampass, PDB_DRIVE))
1000 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1001 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_DRIVE),
1002 pdb_get_dir_drive(sampass));
1003
1004 if (need_update(sampass, PDB_LOGONSCRIPT))
1005 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1006 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_SCRIPT),
1007 pdb_get_logon_script(sampass));
1008
1009 if (need_update(sampass, PDB_PROFILE))
1010 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1011 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PROFILE_PATH),
1012 pdb_get_profile_path(sampass));
1013
1014 slprintf(temp, sizeof(temp) - 1, "%li", pdb_get_logon_time(sampass));
1015 if (need_update(sampass, PDB_LOGONTIME))
1016 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1017 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_TIME), temp);
1018
1019 slprintf(temp, sizeof(temp) - 1, "%li", pdb_get_logoff_time(sampass));
1020 if (need_update(sampass, PDB_LOGOFFTIME))
1021 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1022 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGOFF_TIME), temp);
1023
1024 slprintf (temp, sizeof (temp) - 1, "%li", pdb_get_kickoff_time(sampass));
1025 if (need_update(sampass, PDB_KICKOFFTIME))
1026 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1027 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_KICKOFF_TIME), temp);
1028
1029 slprintf (temp, sizeof (temp) - 1, "%li", pdb_get_pass_can_change_time(sampass));
1030 if (need_update(sampass, PDB_CANCHANGETIME))
1031 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1032 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_CAN_CHANGE), temp);
1033
1034 slprintf (temp, sizeof (temp) - 1, "%li", pdb_get_pass_must_change_time(sampass));
1035 if (need_update(sampass, PDB_MUSTCHANGETIME))
1036 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1037 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_MUST_CHANGE), temp);
1038
1039
1040 if ((pdb_get_acct_ctrl(sampass)&(ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST))
1041 || (lp_ldap_passwd_sync()!=LDAP_PASSWD_SYNC_ONLY)) {
1042
1043 if (need_update(sampass, PDB_LMPASSWD)) {
1044 const uchar *lm_pw = pdb_get_lanman_passwd(sampass);
1045 if (lm_pw) {
1046 pdb_sethexpwd(temp, lm_pw,
1047 pdb_get_acct_ctrl(sampass));
1048 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1049 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LMPW),
1050 temp);
1051 } else {
1052 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1053 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LMPW),
1054 NULL);
1055 }
1056 }
1057 if (need_update(sampass, PDB_NTPASSWD)) {
1058 const uchar *nt_pw = pdb_get_nt_passwd(sampass);
1059 if (nt_pw) {
1060 pdb_sethexpwd(temp, nt_pw,
1061 pdb_get_acct_ctrl(sampass));
1062 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1063 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_NTPW),
1064 temp);
1065 } else {
1066 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1067 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_NTPW),
1068 NULL);
1069 }
1070 }
1071
1072 if (need_update(sampass, PDB_PWHISTORY)) {
1073 int pwHistLen = 0;
1074 account_policy_get(AP_PASSWORD_HISTORY, &pwHistLen);
1075 if (pwHistLen == 0) {
1076 /* Remove any password history from the LDAP store. */
1077 memset(temp, '0', 64); /* NOTE !!!! '0' *NOT '\0' */
1078 temp[64] = '\0';
1079 } else {
1080 int i, currHistLen = 0;
1081 const uint8 *pwhist = pdb_get_pw_history(sampass, &currHistLen);
1082 if (pwhist != NULL) {
1083 /* We can only store (sizeof(pstring)-1)/64 password history entries. */
1084 pwHistLen = MIN(pwHistLen, ((sizeof(temp)-1)/64));
1085 for (i=0; i< pwHistLen && i < currHistLen; i++) {
1086 /* Store the salt. */
1087 pdb_sethexpwd(&temp[i*64], &pwhist[i*PW_HISTORY_ENTRY_LEN], 0);
1088 /* Followed by the md5 hash of salt + md4 hash */
1089 pdb_sethexpwd(&temp[(i*64)+32],
1090 &pwhist[(i*PW_HISTORY_ENTRY_LEN)+PW_HISTORY_SALT_LEN], 0);
1091 DEBUG(100, ("temp=%s\n", temp));
1092 }
1093 }
1094 }
1095 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1096 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_HISTORY),
1097 temp);
1098 }
1099
1100 if (need_update(sampass, PDB_PASSLASTSET)) {
1101 slprintf (temp, sizeof (temp) - 1, "%li", pdb_get_pass_last_set_time(sampass));
1102 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1103 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_LAST_SET),
1104 temp);
1105 }
1106 }
1107
1108 if (need_update(sampass, PDB_HOURS)) {
1109 const char *hours = pdb_get_hours(sampass);
1110 if (hours) {
1111 pdb_sethexhours(temp, hours);
1112 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct,
1113 existing,
1114 mods,
1115 get_userattr_key2string(ldap_state->schema_ver,
1116 LDAP_ATTR_LOGON_HOURS),
1117 temp);
1118 }
1119 }
1120
1121 if (need_update(sampass, PDB_ACCTCTRL))
1122 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1123 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_ACB_INFO),
1124 pdb_encode_acct_ctrl (pdb_get_acct_ctrl(sampass), NEW_PW_FORMAT_SPACE_PADDED_LEN));
1125
1126 /* password lockout cache:
1127 - If we are now autolocking or clearing, we write to ldap
1128 - If we are clearing, we delete the cache entry
1129 - If the count is > 0, we update the cache
1130
1131 This even means when autolocking, we cache, just in case the
1132 update doesn't work, and we have to cache the autolock flag */
1133
1134 if (need_update(sampass, PDB_BAD_PASSWORD_COUNT)) /* &&
1135 need_update(sampass, PDB_BAD_PASSWORD_TIME)) */ {
1136 uint16 badcount = pdb_get_bad_password_count(sampass);
1137 time_t badtime = pdb_get_bad_password_time(sampass);
1138 uint32 pol;
1139 account_policy_get(AP_BAD_ATTEMPT_LOCKOUT, &pol);
1140
1141 DEBUG(3, ("updating bad password fields, policy=%u, count=%u, time=%u\n",
1142 (unsigned int)pol, (unsigned int)badcount, (unsigned int)badtime));
1143
1144 if ((badcount >= pol) || (badcount == 0)) {
1145 DEBUG(7, ("making mods to update ldap, count=%u, time=%u\n",
1146 (unsigned int)badcount, (unsigned int)badtime));
1147 slprintf (temp, sizeof (temp) - 1, "%li", (long)badcount);
1148 smbldap_make_mod(
1149 ldap_state->smbldap_state->ldap_struct,
1150 existing, mods,
1151 get_userattr_key2string(
1152 ldap_state->schema_ver,
1153 LDAP_ATTR_BAD_PASSWORD_COUNT),
1154 temp);
1155
1156 slprintf (temp, sizeof (temp) - 1, "%li", badtime);
1157 smbldap_make_mod(
1158 ldap_state->smbldap_state->ldap_struct,
1159 existing, mods,
1160 get_userattr_key2string(
1161 ldap_state->schema_ver,
1162 LDAP_ATTR_BAD_PASSWORD_TIME),
1163 temp);
1164 }
1165 if (badcount == 0) {
1166 DEBUG(7, ("bad password count is reset, deleting login cache entry for %s\n", pdb_get_nt_username(sampass)));
1167 login_cache_delentry(sampass);
1168 } else {
1169 LOGIN_CACHE cache_entry;
1170
1171 cache_entry.entry_timestamp = time(NULL);
1172 cache_entry.acct_ctrl = pdb_get_acct_ctrl(sampass);
1173 cache_entry.bad_password_count = badcount;
1174 cache_entry.bad_password_time = badtime;
1175
1176 DEBUG(7, ("Updating bad password count and time in login cache\n"));
1177 login_cache_write(sampass, cache_entry);
1178 }
1179 }
1180
1181 return True;
1182 }
1183
1184 /**********************************************************************
1185 Connect to LDAP server for password enumeration.
1186 *********************************************************************/
1187
1188 static NTSTATUS ldapsam_setsampwent(struct pdb_methods *my_methods, BOOL update, uint16 acb_mask)
1189 {
1190 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1191 int rc;
1192 pstring filter, suffix;
1193 char **attr_list;
1194 BOOL machine_mask = False, user_mask = False;
1195
1196 pstr_sprintf( filter, "(&%s%s)", lp_ldap_filter(),
1197 get_objclass_filter(ldap_state->schema_ver));
1198 all_string_sub(filter, "%u", "*", sizeof(pstring));
1199
1200 machine_mask = ((acb_mask != 0) && (acb_mask & (ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)));
1201 user_mask = ((acb_mask != 0) && (acb_mask & ACB_NORMAL));
1202
1203 if (machine_mask) {
1204 pstrcpy(suffix, lp_ldap_machine_suffix());
1205 } else if (user_mask) {
1206 pstrcpy(suffix, lp_ldap_user_suffix());
1207 } else {
1208 pstrcpy(suffix, lp_ldap_suffix());
1209 }
1210
1211 DEBUG(10,("ldapsam_setsampwent: LDAP Query for acb_mask 0x%x will use suffix %s\n",
1212 acb_mask, suffix));
1213
1214 attr_list = get_userattr_list(ldap_state->schema_ver);
1215 rc = smbldap_search(ldap_state->smbldap_state, suffix, LDAP_SCOPE_SUBTREE, filter,
1216 attr_list, 0, &ldap_state->result);
1217 free_attr_list( attr_list );
1218
1219 if (rc != LDAP_SUCCESS) {
1220 DEBUG(0, ("ldapsam_setsampwent: LDAP search failed: %s\n", ldap_err2string(rc)));
1221 DEBUG(3, ("ldapsam_setsampwent: Query was: %s, %s\n", suffix, filter));
1222 ldap_msgfree(ldap_state->result);
1223 ldap_state->result = NULL;
1224 return NT_STATUS_UNSUCCESSFUL;
1225 }
1226
1227 DEBUG(2, ("ldapsam_setsampwent: %d entries in the base %s\n",
1228 ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
1229 ldap_state->result), suffix));
1230
1231 ldap_state->entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
1232 ldap_state->result);
1233 ldap_state->index = 0;
1234
1235 return NT_STATUS_OK;
1236 }
1237
1238 /**********************************************************************
1239 End enumeration of the LDAP password list.
1240 *********************************************************************/
1241
1242 static void ldapsam_endsampwent(struct pdb_methods *my_methods)
1243 {
1244 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1245 if (ldap_state->result) {
1246 ldap_msgfree(ldap_state->result);
1247 ldap_state->result = NULL;
1248 }
1249 }
1250
1251 /**********************************************************************
1252 Get the next entry in the LDAP password database.
1253 *********************************************************************/
1254
1255 static NTSTATUS ldapsam_getsampwent(struct pdb_methods *my_methods, SAM_ACCOUNT *user)
1256 {
1257 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1258 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1259 BOOL bret = False;
1260
1261 while (!bret) {
1262 if (!ldap_state->entry)
1263 return ret;
1264
1265 ldap_state->index++;
1266 bret = init_sam_from_ldap(ldap_state, user, ldap_state->entry);
1267
1268 ldap_state->entry = ldap_next_entry(ldap_state->smbldap_state->ldap_struct,
1269 ldap_state->entry);
1270 }
1271
1272 return NT_STATUS_OK;
1273 }
1274
1275 static void append_attr(char ***attr_list, const char *new_attr)
1276 {
1277 int i;
1278
1279 if (new_attr == NULL) {
1280 return;
1281 }
1282
1283 for (i=0; (*attr_list)[i] != NULL; i++) {
1284 ;
1285 }
1286
1287 (*attr_list) = SMB_REALLOC_ARRAY((*attr_list), char *, i+2);
1288 SMB_ASSERT((*attr_list) != NULL);
1289 (*attr_list)[i] = SMB_STRDUP(new_attr);
1290 (*attr_list)[i+1] = NULL;
1291 }
1292
1293 /**********************************************************************
1294 Get SAM_ACCOUNT entry from LDAP by username.
1295 *********************************************************************/
1296
1297 static NTSTATUS ldapsam_getsampwnam(struct pdb_methods *my_methods, SAM_ACCOUNT *user, const char *sname)
1298 {
1299 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1300 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1301 LDAPMessage *result = NULL;
1302 LDAPMessage *entry = NULL;
1303 int count;
1304 char ** attr_list;
1305 int rc;
1306
1307 attr_list = get_userattr_list( ldap_state->schema_ver );
1308 append_attr(&attr_list, get_userattr_key2string(ldap_state->schema_ver,LDAP_ATTR_MOD_TIMESTAMP));
1309 rc = ldapsam_search_suffix_by_name(ldap_state, sname, &result, attr_list);
1310 free_attr_list( attr_list );
1311
1312 if ( rc != LDAP_SUCCESS )
1313 return NT_STATUS_NO_SUCH_USER;
1314
1315 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
1316
1317 if (count < 1) {
1318 DEBUG(4, ("ldapsam_getsampwnam: Unable to locate user [%s] count=%d\n", sname, count));
1319 ldap_msgfree(result);
1320 return NT_STATUS_NO_SUCH_USER;
1321 } else if (count > 1) {
1322 DEBUG(1, ("ldapsam_getsampwnam: Duplicate entries for this user [%s] Failing. count=%d\n", sname, count));
1323 ldap_msgfree(result);
1324 return NT_STATUS_NO_SUCH_USER;
1325 }
1326
1327 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1328 if (entry) {
1329 if (!init_sam_from_ldap(ldap_state, user, entry)) {
1330 DEBUG(1,("ldapsam_getsampwnam: init_sam_from_ldap failed for user '%s'!\n", sname));
1331 ldap_msgfree(result);
1332 return NT_STATUS_NO_SUCH_USER;
1333 }
1334 pdb_set_backend_private_data(user, result,
1335 private_data_free_fn,
1336 my_methods, PDB_CHANGED);
1337 ret = NT_STATUS_OK;
1338 } else {
1339 ldap_msgfree(result);
1340 }
1341 return ret;
1342 }
1343
1344 static int ldapsam_get_ldap_user_by_sid(struct ldapsam_privates *ldap_state,
1345 const DOM_SID *sid, LDAPMessage **result)
1346 {
1347 int rc = -1;
1348 char ** attr_list;
1349 uint32 rid;
1350
1351 switch ( ldap_state->schema_ver ) {
1352 case SCHEMAVER_SAMBASAMACCOUNT:
1353 attr_list = get_userattr_list(ldap_state->schema_ver);
1354 append_attr(&attr_list, get_userattr_key2string(ldap_state->schema_ver,LDAP_ATTR_MOD_TIMESTAMP));
1355 rc = ldapsam_search_suffix_by_sid(ldap_state, sid, result, attr_list);
1356 free_attr_list( attr_list );
1357
1358 if ( rc != LDAP_SUCCESS )
1359 return rc;
1360 break;
1361
1362 case SCHEMAVER_SAMBAACCOUNT:
1363 if (!sid_peek_check_rid(&ldap_state->domain_sid, sid, &rid)) {
1364 return rc;
1365 }
1366
1367 attr_list = get_userattr_list(ldap_state->schema_ver);
1368 rc = ldapsam_search_suffix_by_rid(ldap_state, rid, result, attr_list );
1369 free_attr_list( attr_list );
1370
1371 if ( rc != LDAP_SUCCESS )
1372 return rc;
1373 break;
1374 }
1375 return rc;
1376 }
1377
1378 /**********************************************************************
1379 Get SAM_ACCOUNT entry from LDAP by SID.
1380 *********************************************************************/
1381
1382 static NTSTATUS ldapsam_getsampwsid(struct pdb_methods *my_methods, SAM_ACCOUNT * user, const DOM_SID *sid)
1383 {
1384 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1385 LDAPMessage *result = NULL;
1386 LDAPMessage *entry = NULL;
1387 int count;
1388 int rc;
1389 fstring sid_string;
1390
1391 rc = ldapsam_get_ldap_user_by_sid(ldap_state,
1392 sid, &result);
1393 if (rc != LDAP_SUCCESS)
1394 return NT_STATUS_NO_SUCH_USER;
1395
1396 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
1397
1398 if (count < 1) {
1399 DEBUG(4, ("ldapsam_getsampwsid: Unable to locate SID [%s] count=%d\n", sid_to_string(sid_string, sid),
1400 count));
1401 ldap_msgfree(result);
1402 return NT_STATUS_NO_SUCH_USER;
1403 } else if (count > 1) {
1404 DEBUG(1, ("ldapsam_getsampwsid: More than one user with SID [%s]. Failing. count=%d\n", sid_to_string(sid_string, sid),
1405 count));
1406 ldap_msgfree(result);
1407 return NT_STATUS_NO_SUCH_USER;
1408 }
1409
1410 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1411 if (!entry) {
1412 ldap_msgfree(result);
1413 return NT_STATUS_NO_SUCH_USER;
1414 }
1415
1416 if (!init_sam_from_ldap(ldap_state, user, entry)) {
1417 DEBUG(1,("ldapsam_getsampwsid: init_sam_from_ldap failed!\n"));
1418 ldap_msgfree(result);
1419 return NT_STATUS_NO_SUCH_USER;
1420 }
1421
1422 pdb_set_backend_private_data(user, result,
1423 private_data_free_fn,
1424 my_methods, PDB_CHANGED);
1425 return NT_STATUS_OK;
1426 }
1427
1428 static BOOL ldapsam_can_pwchange_exop(struct smbldap_state *ldap_state)
1429 {
1430 return smbldap_has_extension(ldap_state, LDAP_EXOP_MODIFY_PASSWD);
1431 }
1432
1433 /********************************************************************
1434 Do the actual modification - also change a plaintext passord if
1435 it it set.
1436 **********************************************************************/
1437
1438 static NTSTATUS ldapsam_modify_entry(struct pdb_methods *my_methods,
1439 SAM_ACCOUNT *newpwd, char *dn,
1440 LDAPMod **mods, int ldap_op,
1441 BOOL (*need_update)(const SAM_ACCOUNT *, enum pdb_elements))
1442 {
1443 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1444 int rc;
1445
1446 if (!my_methods || !newpwd || !dn) {
1447 return NT_STATUS_INVALID_PARAMETER;
1448 }
1449
1450 if (!mods) {
1451 DEBUG(5,("ldapsam_modify_entry: mods is empty: nothing to modify\n"));
1452 /* may be password change below however */
1453 } else {
1454 switch(ldap_op) {
1455 case LDAP_MOD_ADD:
1456 smbldap_set_mod(&mods, LDAP_MOD_ADD,
1457 "objectclass",
1458 LDAP_OBJ_ACCOUNT);
1459 rc = smbldap_add(ldap_state->smbldap_state,
1460 dn, mods);
1461 break;
1462 case LDAP_MOD_REPLACE:
1463 rc = smbldap_modify(ldap_state->smbldap_state,
1464 dn ,mods);
1465 break;
1466 default:
1467 DEBUG(0,("ldapsam_modify_entry: Wrong LDAP operation type: %d!\n",
1468 ldap_op));
1469 return NT_STATUS_INVALID_PARAMETER;
1470 }
1471
1472 if (rc!=LDAP_SUCCESS) {
1473 char *ld_error = NULL;
1474 ldap_get_option(ldap_state->smbldap_state->ldap_struct, LDAP_OPT_ERROR_STRING,
1475 &ld_error);
1476 DEBUG(1, ("ldapsam_modify_entry: Failed to %s user dn= %s with: %s\n\t%s\n",
1477 ldap_op == LDAP_MOD_ADD ? "add" : "modify",
1478 dn, ldap_err2string(rc),
1479 ld_error?ld_error:"unknown"));
1480 SAFE_FREE(ld_error);
1481 return NT_STATUS_UNSUCCESSFUL;
1482 }
1483 }
1484
1485 if (!(pdb_get_acct_ctrl(newpwd)&(ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)) &&
1486 (lp_ldap_passwd_sync() != LDAP_PASSWD_SYNC_OFF) &&
1487 need_update(newpwd, PDB_PLAINTEXT_PW) &&
1488 (pdb_get_plaintext_passwd(newpwd)!=NULL)) {
1489 BerElement *ber;
1490 struct berval *bv;
1491 char *retoid;
1492 struct berval *retdata;
1493 char *utf8_password;
1494 char *utf8_dn;
1495
1496 if (!ldapsam_can_pwchange_exop(ldap_state->smbldap_state)) {
1497 DEBUG(2, ("ldap password change requested, but LDAP "
1498 "server does not support it -- ignoring\n"));
1499 return NT_STATUS_OK;
1500 }
1501
1502 if (push_utf8_allocate(&utf8_password, pdb_get_plaintext_passwd(newpwd)) == (size_t)-1) {
1503 return NT_STATUS_NO_MEMORY;
1504 }
1505
1506 if (push_utf8_allocate(&utf8_dn, dn) == (size_t)-1) {
1507 return NT_STATUS_NO_MEMORY;
1508 }
1509
1510 if ((ber = ber_alloc_t(LBER_USE_DER))==NULL) {
1511 DEBUG(0,("ber_alloc_t returns NULL\n"));
1512 SAFE_FREE(utf8_password);
1513 return NT_STATUS_UNSUCCESSFUL;
1514 }
1515
1516 ber_printf (ber, "{");
1517 ber_printf (ber, "ts", LDAP_TAG_EXOP_MODIFY_PASSWD_ID, utf8_dn);
1518 ber_printf (ber, "ts", LDAP_TAG_EXOP_MODIFY_PASSWD_NEW, utf8_password);
1519 ber_printf (ber, "N}");
1520
1521 if ((rc = ber_flatten (ber, &bv))<0) {
1522 DEBUG(0,("ldapsam_modify_entry: ber_flatten returns a value <0\n"));
1523 ber_free(ber,1);
1524 SAFE_FREE(utf8_dn);
1525 SAFE_FREE(utf8_password);
1526 return NT_STATUS_UNSUCCESSFUL;
1527 }
1528
1529 SAFE_FREE(utf8_dn);
1530 SAFE_FREE(utf8_password);
1531 ber_free(ber, 1);
1532
1533 if ((rc = smbldap_extended_operation(ldap_state->smbldap_state,
1534 LDAP_EXOP_MODIFY_PASSWD,
1535 bv, NULL, NULL, &retoid,
1536 &retdata)) != LDAP_SUCCESS) {
1537 char *ld_error = NULL;
1538
1539 if (rc == LDAP_OBJECT_CLASS_VIOLATION) {
1540 DEBUG(3, ("Could not set userPassword "
1541 "attribute due to an objectClass "
1542 "violation -- ignoring\n"));
1543 ber_bvfree(bv);
1544 return NT_STATUS_OK;
1545 }
1546
1547 ldap_get_option(ldap_state->smbldap_state->ldap_struct, LDAP_OPT_ERROR_STRING,
1548 &ld_error);
1549 DEBUG(0,("ldapsam_modify_entry: LDAP Password could not be changed for user %s: %s\n\t%s\n",
1550 pdb_get_username(newpwd), ldap_err2string(rc), ld_error?ld_error:"unknown"));
1551 SAFE_FREE(ld_error);
1552 ber_bvfree(bv);
1553 return NT_STATUS_UNSUCCESSFUL;
1554 } else {
1555 DEBUG(3,("ldapsam_modify_entry: LDAP Password changed for user %s\n",pdb_get_username(newpwd)));
1556 #ifdef DEBUG_PASSWORD
1557 DEBUG(100,("ldapsam_modify_entry: LDAP Password changed to %s\n",pdb_get_plaintext_passwd(newpwd)));
1558 #endif
1559 ber_bvfree(retdata);
1560 ber_memfree(retoid);
1561 }
1562 ber_bvfree(bv);
1563 }
1564 return NT_STATUS_OK;
1565 }
1566
1567 /**********************************************************************
1568 Delete entry from LDAP for username.
1569 *********************************************************************/
1570
1571 static NTSTATUS ldapsam_delete_sam_account(struct pdb_methods *my_methods, SAM_ACCOUNT * sam_acct)
1572 {
1573 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1574 const char *sname;
1575 int rc;
1576 LDAPMessage *result = NULL;
1577 NTSTATUS ret;
1578 char **attr_list;
1579 fstring objclass;
1580
1581 if (!sam_acct) {
1582 DEBUG(0, ("ldapsam_delete_sam_account: sam_acct was NULL!\n"));
1583 return NT_STATUS_INVALID_PARAMETER;
1584 }
1585
1586 sname = pdb_get_username(sam_acct);
1587
1588 DEBUG (3, ("ldapsam_delete_sam_account: Deleting user %s from LDAP.\n", sname));
1589
1590 attr_list= get_userattr_delete_list( ldap_state->schema_ver );
1591 rc = ldapsam_search_suffix_by_name(ldap_state, sname, &result, attr_list);
1592
1593 if (rc != LDAP_SUCCESS) {
1594 free_attr_list( attr_list );
1595 return NT_STATUS_NO_SUCH_USER;
1596 }
1597
1598 switch ( ldap_state->schema_ver ) {
1599 case SCHEMAVER_SAMBASAMACCOUNT:
1600 fstrcpy( objclass, LDAP_OBJ_SAMBASAMACCOUNT );
1601 break;
1602
1603 case SCHEMAVER_SAMBAACCOUNT:
1604 fstrcpy( objclass, LDAP_OBJ_SAMBAACCOUNT );
1605 break;
1606 default:
1607 fstrcpy( objclass, "UNKNOWN" );
1608 DEBUG(0,("ldapsam_delete_sam_account: Unknown schema version specified!\n"));
1609 break;
1610 }
1611
1612 ret = ldapsam_delete_entry(ldap_state, result, objclass, attr_list );
1613 ldap_msgfree(result);
1614 free_attr_list( attr_list );
1615
1616 return ret;
1617 }
1618
1619 /**********************************************************************
1620 Helper function to determine for update_sam_account whether
1621 we need LDAP modification.
1622 *********************************************************************/
1623
1624 static BOOL element_is_changed(const SAM_ACCOUNT *sampass,
1625 enum pdb_elements element)
1626 {
1627 return IS_SAM_CHANGED(sampass, element);
1628 }
1629
1630 /**********************************************************************
1631 Update SAM_ACCOUNT.
1632 *********************************************************************/
1633
1634 static NTSTATUS ldapsam_update_sam_account(struct pdb_methods *my_methods, SAM_ACCOUNT * newpwd)
1635 {
1636 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1637 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1638 int rc = 0;
1639 char *dn;
1640 LDAPMessage *result = NULL;
1641 LDAPMessage *entry = NULL;
1642 LDAPMod **mods = NULL;
1643 char **attr_list;
1644
1645 result = pdb_get_backend_private_data(newpwd, my_methods);
1646 if (!result) {
1647 attr_list = get_userattr_list(ldap_state->schema_ver);
1648 rc = ldapsam_search_suffix_by_name(ldap_state, pdb_get_username(newpwd), &result, attr_list );
1649 free_attr_list( attr_list );
1650 if (rc != LDAP_SUCCESS) {
1651 return NT_STATUS_UNSUCCESSFUL;
1652 }
1653 pdb_set_backend_private_data(newpwd, result, private_data_free_fn, my_methods, PDB_CHANGED);
1654 }
1655
1656 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) == 0) {
1657 DEBUG(0, ("ldapsam_update_sam_account: No user to modify!\n"));
1658 return NT_STATUS_UNSUCCESSFUL;
1659 }
1660
1661 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1662 dn = smbldap_get_dn(ldap_state->smbldap_state->ldap_struct, entry);
1663 if (!dn) {
1664 return NT_STATUS_UNSUCCESSFUL;
1665 }
1666
1667 DEBUG(4, ("ldapsam_update_sam_account: user %s to be modified has dn: %s\n", pdb_get_username(newpwd), dn));
1668
1669 if (!init_ldap_from_sam(ldap_state, entry, &mods, newpwd,
1670 element_is_changed)) {
1671 DEBUG(0, ("ldapsam_update_sam_account: init_ldap_from_sam failed!\n"));
1672 SAFE_FREE(dn);
1673 if (mods != NULL)
1674 ldap_mods_free(mods,True);
1675 return NT_STATUS_UNSUCCESSFUL;
1676 }
1677
1678 if (mods == NULL) {
1679 DEBUG(4,("ldapsam_update_sam_account: mods is empty: nothing to update for user: %s\n",
1680 pdb_get_username(newpwd)));
1681 SAFE_FREE(dn);
1682 return NT_STATUS_OK;
1683 }
1684
1685 ret = ldapsam_modify_entry(my_methods,newpwd,dn,mods,LDAP_MOD_REPLACE, element_is_changed);
1686 ldap_mods_free(mods,True);
1687 SAFE_FREE(dn);
1688
1689 if (!NT_STATUS_IS_OK(ret)) {
1690 char *ld_error = NULL;
1691 ldap_get_option(ldap_state->smbldap_state->ldap_struct, LDAP_OPT_ERROR_STRING,
1692 &ld_error);
1693 DEBUG(0,("ldapsam_update_sam_account: failed to modify user with uid = %s, error: %s (%s)\n",
1694 pdb_get_username(newpwd), ld_error?ld_error:"(unknwon)", ldap_err2string(rc)));
1695 SAFE_FREE(ld_error);
1696 return ret;
1697 }
1698
1699 DEBUG(2, ("ldapsam_update_sam_account: successfully modified uid = %s in the LDAP database\n",
1700 pdb_get_username(newpwd)));
1701 return NT_STATUS_OK;
1702 }
1703
1704 /**********************************************************************
1705 Helper function to determine for update_sam_account whether
1706 we need LDAP modification.
1707 *********************************************************************/
1708
1709 static BOOL element_is_set_or_changed(const SAM_ACCOUNT *sampass,
1710 enum pdb_elements element)
1711 {
1712 return (IS_SAM_SET(sampass, element) ||
1713 IS_SAM_CHANGED(sampass, element));
1714 }
1715
1716 /**********************************************************************
1717 Add SAM_ACCOUNT to LDAP.
1718 *********************************************************************/
1719
1720 static NTSTATUS ldapsam_add_sam_account(struct pdb_methods *my_methods, SAM_ACCOUNT * newpwd)
1721 {
1722 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1723 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1724 int rc;
1725 LDAPMessage *result = NULL;
1726 LDAPMessage *entry = NULL;
1727 pstring dn;
1728 LDAPMod **mods = NULL;
1729 int ldap_op = LDAP_MOD_REPLACE;
1730 uint32 num_result;
1731 char **attr_list;
1732 char *escape_user;
1733 const char *username = pdb_get_username(newpwd);
1734 const DOM_SID *sid = pdb_get_user_sid(newpwd);
1735 pstring filter;
1736 fstring sid_string;
1737
1738 if (!username || !*username) {
1739 DEBUG(0, ("ldapsam_add_sam_account: Cannot add user without a username!\n"));
1740 return NT_STATUS_INVALID_PARAMETER;
1741 }
1742
1743 /* free this list after the second search or in case we exit on failure */
1744 attr_list = get_userattr_list(ldap_state->schema_ver);
1745
1746 rc = ldapsam_search_suffix_by_name (ldap_state, username, &result, attr_list);
1747
1748 if (rc != LDAP_SUCCESS) {
1749 free_attr_list( attr_list );
1750 return NT_STATUS_UNSUCCESSFUL;
1751 }
1752
1753 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) != 0) {
1754 DEBUG(0,("ldapsam_add_sam_account: User '%s' already in the base, with samba attributes\n",
1755 username));
1756 ldap_msgfree(result);
1757 free_attr_list( attr_list );
1758 return NT_STATUS_UNSUCCESSFUL;
1759 }
1760 ldap_msgfree(result);
1761 result = NULL;
1762
1763 if (element_is_set_or_changed(newpwd, PDB_USERSID)) {
1764 rc = ldapsam_get_ldap_user_by_sid(ldap_state,
1765 sid, &result);
1766 if (rc == LDAP_SUCCESS) {
1767 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) != 0) {
1768 DEBUG(0,("ldapsam_add_sam_account: SID '%s' already in the base, with samba attributes\n",
1769 sid_to_string(sid_string, sid)));
1770 free_attr_list( attr_list );
1771 ldap_msgfree(result);
1772 return NT_STATUS_UNSUCCESSFUL;
1773 }
1774 ldap_msgfree(result);
1775 }
1776 }
1777
1778 /* does the entry already exist but without a samba attributes?
1779 we need to return the samba attributes here */
1780
1781 escape_user = escape_ldap_string_alloc( username );
1782 pstrcpy( filter, lp_ldap_filter() );
1783 all_string_sub( filter, "%u", escape_user, sizeof(filter) );
1784 SAFE_FREE( escape_user );
1785
1786 rc = smbldap_search_suffix(ldap_state->smbldap_state,
1787 filter, attr_list, &result);
1788 if ( rc != LDAP_SUCCESS ) {
1789 free_attr_list( attr_list );
1790 return NT_STATUS_UNSUCCESSFUL;
1791 }
1792
1793 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
1794
1795 if (num_result > 1) {
1796 DEBUG (0, ("ldapsam_add_sam_account: More than one user with that uid exists: bailing out!\n"));
1797 free_attr_list( attr_list );
1798 ldap_msgfree(result);
1799 return NT_STATUS_UNSUCCESSFUL;
1800 }
1801
1802 /* Check if we need to update an existing entry */
1803 if (num_result == 1) {
1804 char *tmp;
1805
1806 DEBUG(3,("ldapsam_add_sam_account: User exists without samba attributes: adding them\n"));
1807 ldap_op = LDAP_MOD_REPLACE;
1808 entry = ldap_first_entry (ldap_state->smbldap_state->ldap_struct, result);
1809 tmp = smbldap_get_dn (ldap_state->smbldap_state->ldap_struct, entry);
1810 if (!tmp) {
1811 free_attr_list( attr_list );
1812 ldap_msgfree(result);
1813 return NT_STATUS_UNSUCCESSFUL;
1814 }
1815 slprintf (dn, sizeof (dn) - 1, "%s", tmp);
1816 SAFE_FREE(tmp);
1817
1818 } else if (ldap_state->schema_ver == SCHEMAVER_SAMBASAMACCOUNT) {
1819
1820 /* There might be a SID for this account already - say an idmap entry */
1821
1822 pstr_sprintf(filter, "(&(%s=%s)(|(objectClass=%s)(objectClass=%s)))",
1823 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_SID),
1824 sid_to_string(sid_string, sid),
1825 LDAP_OBJ_IDMAP_ENTRY,
1826 LDAP_OBJ_SID_ENTRY);
1827
1828 /* free old result before doing a new search */
1829 if (result != NULL) {
1830 ldap_msgfree(result);
1831 result = NULL;
1832 }
1833 rc = smbldap_search_suffix(ldap_state->smbldap_state,
1834 filter, attr_list, &result);
1835
1836 if ( rc != LDAP_SUCCESS ) {
1837 free_attr_list( attr_list );
1838 return NT_STATUS_UNSUCCESSFUL;
1839 }
1840
1841 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
1842
1843 if (num_result > 1) {
1844 DEBUG (0, ("ldapsam_add_sam_account: More than one user with that uid exists: bailing out!\n"));
1845 free_attr_list( attr_list );
1846 ldap_msgfree(result);
1847 return NT_STATUS_UNSUCCESSFUL;
1848 }
1849
1850 /* Check if we need to update an existing entry */
1851 if (num_result == 1) {
1852 char *tmp;
1853
1854 DEBUG(3,("ldapsam_add_sam_account: User exists without samba attributes: adding them\n"));
1855 ldap_op = LDAP_MOD_REPLACE;
1856 entry = ldap_first_entry (ldap_state->smbldap_state->ldap_struct, result);
1857 tmp = smbldap_get_dn (ldap_state->smbldap_state->ldap_struct, entry);
1858 if (!tmp) {
1859 free_attr_list( attr_list );
1860 ldap_msgfree(result);
1861 return NT_STATUS_UNSUCCESSFUL;
1862 }
1863 slprintf (dn, sizeof (dn) - 1, "%s", tmp);
1864 SAFE_FREE(tmp);
1865 }
1866 }
1867
1868 free_attr_list( attr_list );
1869
1870 if (num_result == 0) {
1871 /* Check if we need to add an entry */
1872 DEBUG(3,("ldapsam_add_sam_account: Adding new user\n"));
1873 ldap_op = LDAP_MOD_ADD;
1874 if (username[strlen(username)-1] == '$') {
1875 slprintf (dn, sizeof (dn) - 1, "uid=%s,%s", username, lp_ldap_machine_suffix ());
1876 } else {
1877 slprintf (dn, sizeof (dn) - 1, "uid=%s,%s", username, lp_ldap_user_suffix ());
1878 }
1879 }
1880
1881 if (!init_ldap_from_sam(ldap_state, entry, &mods, newpwd,
1882 element_is_set_or_changed)) {
1883 DEBUG(0, ("ldapsam_add_sam_account: init_ldap_from_sam failed!\n"));
1884 ldap_msgfree(result);
1885 if (mods != NULL)
1886 ldap_mods_free(mods,True);
1887 return NT_STATUS_UNSUCCESSFUL;
1888 }
1889
1890 ldap_msgfree(result);
1891
1892 if (mods == NULL) {
1893 DEBUG(0,("ldapsam_add_sam_account: mods is empty: nothing to add for user: %s\n",pdb_get_username(newpwd)));
1894 return NT_STATUS_UNSUCCESSFUL;
1895 }
1896 switch ( ldap_state->schema_ver ) {
1897 case SCHEMAVER_SAMBAACCOUNT:
1898 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_SAMBAACCOUNT);
1899 break;
1900 case SCHEMAVER_SAMBASAMACCOUNT:
1901 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_SAMBASAMACCOUNT);
1902 break;
1903 default:
1904 DEBUG(0,("ldapsam_add_sam_account: invalid schema version specified\n"));
1905 break;
1906 }
1907
1908 ret = ldapsam_modify_entry(my_methods,newpwd,dn,mods,ldap_op, element_is_set_or_changed);
1909 if (!NT_STATUS_IS_OK(ret)) {
1910 DEBUG(0,("ldapsam_add_sam_account: failed to modify/add user with uid = %s (dn = %s)\n",
1911 pdb_get_username(newpwd),dn));
1912 ldap_mods_free(mods, True);
1913 return ret;
1914 }
1915
1916 DEBUG(2,("ldapsam_add_sam_account: added: uid == %s in the LDAP database\n", pdb_get_username(newpwd)));
1917 ldap_mods_free(mods, True);
1918
1919 return NT_STATUS_OK;
1920 }
1921
1922 /**********************************************************************
1923 *********************************************************************/
1924
1925 static int ldapsam_search_one_group (struct ldapsam_privates *ldap_state,
1926 const char *filter,
1927 LDAPMessage ** result)
1928 {
1929 int scope = LDAP_SCOPE_SUBTREE;
1930 int rc;
1931 char **attr_list;
1932
1933 attr_list = get_attr_list(groupmap_attr_list);
1934 rc = smbldap_search(ldap_state->smbldap_state,
1935 lp_ldap_group_suffix (), scope,
1936 filter, attr_list, 0, result);
1937 free_attr_list( attr_list );
1938
1939 if (rc != LDAP_SUCCESS) {
1940 char *ld_error = NULL;
1941 ldap_get_option(ldap_state->smbldap_state->ldap_struct, LDAP_OPT_ERROR_STRING,
1942 &ld_error);
1943 DEBUG(0, ("ldapsam_search_one_group: "
1944 "Problem during the LDAP search: LDAP error: %s (%s)\n",
1945 ld_error?ld_error:"(unknown)", ldap_err2string(rc)));
1946 DEBUGADD(3, ("ldapsam_search_one_group: Query was: %s, %s\n",
1947 lp_ldap_group_suffix(), filter));
1948 SAFE_FREE(ld_error);
1949 }
1950
1951 return rc;
1952 }
1953
1954 /**********************************************************************
1955 *********************************************************************/
1956
1957 static BOOL init_group_from_ldap(struct ldapsam_privates *ldap_state,
1958 GROUP_MAP *map, LDAPMessage *entry)
1959 {
1960 pstring temp;
1961
1962 if (ldap_state == NULL || map == NULL || entry == NULL ||
1963 ldap_state->smbldap_state->ldap_struct == NULL) {
1964 DEBUG(0, ("init_group_from_ldap: NULL parameters found!\n"));
1965 return False;
1966 }
1967
1968 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
1969 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GIDNUMBER), temp)) {
1970 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
1971 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GIDNUMBER)));
1972 return False;
1973 }
1974 DEBUG(2, ("init_group_from_ldap: Entry found for group: %s\n", temp));
1975
1976 map->gid = (gid_t)atol(temp);
1977
1978 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
1979 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_SID), temp)) {
1980 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
1981 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_SID)));
1982 return False;
1983 }
1984
1985 if (!string_to_sid(&map->sid, temp)) {
1986 DEBUG(1, ("SID string [%s] could not be read as a valid SID\n", temp));
1987 return False;
1988 }
1989
1990 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
1991 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_TYPE), temp)) {
1992 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
1993 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_TYPE)));
1994 return False;
1995 }
1996 map->sid_name_use = (enum SID_NAME_USE)atol(temp);
1997
1998 if ((map->sid_name_use < SID_NAME_USER) ||
1999 (map->sid_name_use > SID_NAME_UNKNOWN)) {
2000 DEBUG(0, ("init_group_from_ldap: Unknown Group type: %d\n", map->sid_name_use));
2001 return False;
2002 }
2003
2004 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
2005 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_DISPLAY_NAME), temp)) {
2006 temp[0] = '\0';
2007 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
2008 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_CN), temp))
2009 {
2010 DEBUG(0, ("init_group_from_ldap: Attributes cn not found either \
2011 for gidNumber(%lu)\n",(unsigned long)map->gid));
2012 return False;
2013 }
2014 }
2015 fstrcpy(map->nt_name, temp);
2016
2017 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
2018 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_DESC), temp)) {
2019 temp[0] = '\0';
2020 }
2021 fstrcpy(map->comment, temp);
2022
2023 return True;
2024 }
2025
2026 /**********************************************************************
2027 *********************************************************************/
2028
2029 static BOOL init_ldap_from_group(LDAP *ldap_struct,
2030 LDAPMessage *existing,
2031 LDAPMod ***mods,
2032 const GROUP_MAP *map)
2033 {
2034 pstring tmp;
2035
2036 if (mods == NULL || map == NULL) {
2037 DEBUG(0, ("init_ldap_from_group: NULL parameters found!\n"));
2038 return False;
2039 }
2040
2041 *mods = NULL;
2042
2043 sid_to_string(tmp, &map->sid);
2044
2045 smbldap_make_mod(ldap_struct, existing, mods,
2046 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GROUP_SID), tmp);
2047 pstr_sprintf(tmp, "%i", map->sid_name_use);
2048 smbldap_make_mod(ldap_struct, existing, mods,
2049 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GROUP_TYPE), tmp);
2050
2051 smbldap_make_mod(ldap_struct, existing, mods,
2052 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_DISPLAY_NAME), map->nt_name);
2053 smbldap_make_mod(ldap_struct, existing, mods,
2054 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_DESC), map->comment);
2055
2056 return True;
2057 }
2058
2059 /**********************************************************************
2060 *********************************************************************/
2061
2062 static NTSTATUS ldapsam_getgroup(struct pdb_methods *methods,
2063 const char *filter,
2064 GROUP_MAP *map)
2065 {
2066 struct ldapsam_privates *ldap_state =
2067 (struct ldapsam_privates *)methods->private_data;
2068 LDAPMessage *result = NULL;
2069 LDAPMessage *entry = NULL;
2070 int count;
2071
2072 if (ldapsam_search_one_group(ldap_state, filter, &result)
2073 != LDAP_SUCCESS) {
2074 return NT_STATUS_NO_SUCH_GROUP;
2075 }
2076
2077 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
2078
2079 if (count < 1) {
2080 DEBUG(4, ("ldapsam_getgroup: Did not find group\n"));
2081 ldap_msgfree(result);
2082 return NT_STATUS_NO_SUCH_GROUP;
2083 }
2084
2085 if (count > 1) {
2086 DEBUG(1, ("ldapsam_getgroup: Duplicate entries for filter %s: count=%d\n",
2087 filter, count));
2088 ldap_msgfree(result);
2089 return NT_STATUS_NO_SUCH_GROUP;
2090 }
2091
2092 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
2093
2094 if (!entry) {
2095 ldap_msgfree(result);
2096 return NT_STATUS_UNSUCCESSFUL;
2097 }
2098
2099 if (!init_group_from_ldap(ldap_state, map, entry)) {
2100 DEBUG(1, ("ldapsam_getgroup: init_group_from_ldap failed for group filter %s\n",
2101 filter));
2102 ldap_msgfree(result);
2103 return NT_STATUS_NO_SUCH_GROUP;
2104 }
2105
2106 ldap_msgfree(result);
2107 return NT_STATUS_OK;
2108 }
2109
2110 /**********************************************************************
2111 *********************************************************************/
2112
2113 static NTSTATUS ldapsam_getgrsid(struct pdb_methods *methods, GROUP_MAP *map,
2114 DOM_SID sid)
2115 {
2116 pstring filter;
2117
2118 pstr_sprintf(filter, "(&(objectClass=%s)(%s=%s))",
2119 LDAP_OBJ_GROUPMAP,
2120 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GROUP_SID),
2121 sid_string_static(&sid));
2122
2123 return ldapsam_getgroup(methods, filter, map);
2124 }
2125
2126 /**********************************************************************
2127 *********************************************************************/
2128
2129 static NTSTATUS ldapsam_getgrgid(struct pdb_methods *methods, GROUP_MAP *map,
2130 gid_t gid)
2131 {
2132 pstring filter;
2133
2134 pstr_sprintf(filter, "(&(objectClass=%s)(%s=%lu))",
2135 LDAP_OBJ_GROUPMAP,
2136 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GIDNUMBER),
2137 (unsigned long)gid);
2138
2139 return ldapsam_getgroup(methods, filter, map);
2140 }
2141
2142 /**********************************************************************
2143 *********************************************************************/
2144
2145 static NTSTATUS ldapsam_getgrnam(struct pdb_methods *methods, GROUP_MAP *map,
2146 const char *name)
2147 {
2148 pstring filter;
2149 char *escape_name = escape_ldap_string_alloc(name);
2150
2151 if (!escape_name) {
2152 return NT_STATUS_NO_MEMORY;
2153 }
2154
2155 pstr_sprintf(filter, "(&(objectClass=%s)(|(%s=%s)(%s=%s)))",
2156 LDAP_OBJ_GROUPMAP,
2157 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_DISPLAY_NAME), escape_name,
2158 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_CN), escape_name);
2159
2160 SAFE_FREE(escape_name);
2161
2162 return ldapsam_getgroup(methods, filter, map);
2163 }
2164
2165 static NTSTATUS ldapsam_enum_group_memberships(struct pdb_methods *methods,
2166 const char *username,
2167 gid_t primary_gid,
2168 DOM_SID **sids, gid_t **gids,
2169 int *num_groups)
2170 {
2171 struct ldapsam_privates *ldap_state =
2172 (struct ldapsam_privates *)methods->private_data;
2173 struct smbldap_state *conn = ldap_state->smbldap_state;
2174 pstring filter;
2175 char *attrs[] = { "gidNumber", "sambaSID", NULL };
2176 char *escape_name;
2177 int rc;
2178 LDAPMessage *msg = NULL;
2179 LDAPMessage *entry;
2180 NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
2181 int num_sids, num_gids;
2182 extern DOM_SID global_sid_NULL;
2183
2184 if (!lp_parm_bool(-1, "ldapsam", "trusted", False))
2185 return pdb_default_enum_group_memberships(methods, username,
2186 primary_gid, sids,
2187 gids, num_groups);
2188
2189 *sids = NULL;
2190 num_sids = 0;
2191
2192 escape_name = escape_ldap_string_alloc(username);
2193
2194 if (escape_name == NULL)
2195 return NT_STATUS_NO_MEMORY;
2196
2197 pstr_sprintf(filter, "(&(objectClass=posixGroup)"
2198 "(|(memberUid=%s)(gidNumber=%d)))",
2199 username, primary_gid);
2200
2201 rc = smbldap_search(conn, lp_ldap_group_suffix(),
2202 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &msg);
2203
2204 if (rc != LDAP_SUCCESS)
2205 goto done;
2206
2207 num_gids = 0;
2208 *gids = NULL;
2209
2210 num_sids = 0;
2211 *sids = NULL;
2212
2213 /* We need to add the primary group as the first gid/sid */
2214
2215 add_gid_to_array_unique(primary_gid, gids, &num_gids);
2216
2217 /* This sid will be replaced later */
2218
2219 add_sid_to_array_unique(&global_sid_NULL, sids, &num_sids);
2220
2221 for (entry = ldap_first_entry(conn->ldap_struct, msg);
2222 entry != NULL;
2223 entry = ldap_next_entry(conn->ldap_struct, entry))
2224 {
2225 fstring str;
2226 DOM_SID sid;
2227 gid_t gid;
2228 char *end;
2229
2230 if (!smbldap_get_single_attribute(conn->ldap_struct,
2231 entry, "sambaSID",
2232 str, sizeof(str)-1))
2233 continue;
2234
2235 if (!string_to_sid(&sid, str))
2236 goto done;
2237
2238 if (!smbldap_get_single_attribute(conn->ldap_struct,
2239 entry, "gidNumber",
2240 str, sizeof(str)-1))
2241 continue;
2242
2243 gid = strtoul(str, &end, 10);
2244
2245 if (PTR_DIFF(end, str) != strlen(str))
2246 goto done;
2247
2248 if (gid == primary_gid) {
2249 sid_copy(&(*sids)[0], &sid);
2250 } else {
2251 add_gid_to_array_unique(gid, gids, &num_gids);
2252 add_sid_to_array_unique(&sid, sids, &num_sids);
2253 }
2254 }
2255
2256 if (sid_compare(&global_sid_NULL, &(*sids)[0]) == 0) {
2257 DEBUG(3, ("primary group of [%s] not found\n", username));
2258 goto done;
2259 }
2260
2261 *num_groups = num_sids;
2262
2263 result = NT_STATUS_OK;
2264
2265 done:
2266
2267 SAFE_FREE(escape_name);
2268 if (msg != NULL)
2269 ldap_msgfree(msg);
2270
2271 return result;
2272 }
2273
2274 /**********************************************************************
2275 *********************************************************************/
2276
2277 static int ldapsam_search_one_group_by_gid(struct ldapsam_privates *ldap_state,
2278 gid_t gid,
2279 LDAPMessage **result)
2280 {
2281 pstring filter;
2282
2283 pstr_sprintf(filter, "(&(|(objectClass=%s)(objectclass=%s))(%s=%lu))",
2284 LDAP_OBJ_POSIXGROUP, LDAP_OBJ_IDMAP_ENTRY,
2285 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GIDNUMBER),
2286 (unsigned long)gid);
2287
2288 return ldapsam_search_one_group(ldap_state, filter, result);
2289 }
2290
2291 /**********************************************************************
2292 *********************************************************************/
2293
2294 static NTSTATUS ldapsam_add_group_mapping_entry(struct pdb_methods *methods,
2295 GROUP_MAP *map)
2296 {
2297 struct ldapsam_privates *ldap_state =
2298 (struct ldapsam_privates *)methods->private_data;
2299 LDAPMessage *result = NULL;
2300 LDAPMod **mods = NULL;
2301 int count;
2302
2303 char *tmp;
2304 pstring dn;
2305 LDAPMessage *entry;
2306
2307 GROUP_MAP dummy;
2308
2309 int rc;
2310
2311 if (NT_STATUS_IS_OK(ldapsam_getgrgid(methods, &dummy,
2312 map->gid))) {
2313 DEBUG(0, ("ldapsam_add_group_mapping_entry: Group %ld already exists in LDAP\n", (unsigned long)map->gid));
2314 return NT_STATUS_UNSUCCESSFUL;
2315 }
2316
2317 rc = ldapsam_search_one_group_by_gid(ldap_state, map->gid, &result);
2318 if (rc != LDAP_SUCCESS) {
2319 ldap_msgfree(result);
2320 return NT_STATUS_UNSUCCESSFUL;
2321 }
2322
2323 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
2324
2325 if ( count == 0 ) {
2326 /* There's no posixGroup account, let's try to find an
2327 * appropriate idmap entry for aliases */
2328
2329 pstring suffix;
2330 pstring filter;
2331 char **attr_list;
2332
2333 ldap_msgfree(result);
2334
2335 pstrcpy( suffix, lp_ldap_idmap_suffix() );
2336 pstr_sprintf(filter, "(&(objectClass=%s)(%s=%u))",
2337 LDAP_OBJ_IDMAP_ENTRY, LDAP_ATTRIBUTE_GIDNUMBER,
2338 map->gid);
2339
2340 attr_list = get_attr_list( sidmap_attr_list );
2341 rc = smbldap_search(ldap_state->smbldap_state, suffix,
2342 LDAP_SCOPE_SUBTREE, filter, attr_list,
2343 0, &result);
2344
2345 free_attr_list(attr_list);
2346
2347 if (rc != LDAP_SUCCESS) {
2348 DEBUG(3,("Failure looking up entry (%s)\n",
2349 ldap_err2string(rc) ));
2350 ldap_msgfree(result);
2351 return NT_STATUS_UNSUCCESSFUL;
2352 }
2353 }
2354
2355 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
2356 if ( count == 0 ) {
2357 ldap_msgfree(result);
2358 return NT_STATUS_UNSUCCESSFUL;
2359 }
2360
2361 if (count > 1) {
2362 DEBUG(2, ("ldapsam_add_group_mapping_entry: Group %lu must exist exactly once in LDAP\n",
2363 (unsigned long)map->gid));
2364 ldap_msgfree(result);
2365 return NT_STATUS_UNSUCCESSFUL;
2366 }
2367
2368 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
2369 tmp = smbldap_get_dn(ldap_state->smbldap_state->ldap_struct, entry);
2370 if (!tmp) {
2371 ldap_msgfree(result);
2372 return NT_STATUS_UNSUCCESSFUL;
2373 }
2374 pstrcpy(dn, tmp);
2375 SAFE_FREE(tmp);
2376
2377 if (!init_ldap_from_group(ldap_state->smbldap_state->ldap_struct,
2378 result, &mods, map)) {
2379 DEBUG(0, ("ldapsam_add_group_mapping_entry: init_ldap_from_group failed!\n"));
2380 ldap_mods_free(mods, True);
2381 ldap_msgfree(result);
2382 return NT_STATUS_UNSUCCESSFUL;
2383 }
2384
2385 ldap_msgfree(result);
2386
2387 if (mods == NULL) {
2388 DEBUG(0, ("ldapsam_add_group_mapping_entry: mods is empty\n"));
2389 return NT_STATUS_UNSUCCESSFUL;
2390 }
2391
2392 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_GROUPMAP );
2393
2394 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
2395 ldap_mods_free(mods, True);
2396
2397 if (rc != LDAP_SUCCESS) {
2398 char *ld_error = NULL;
2399 ldap_get_option(ldap_state->smbldap_state->ldap_struct, LDAP_OPT_ERROR_STRING,
2400 &ld_error);
2401 DEBUG(0, ("ldapsam_add_group_mapping_entry: failed to add group %lu error: %s (%s)\n", (unsigned long)map->gid,
2402 ld_error ? ld_error : "(unknown)", ldap_err2string(rc)));
2403 SAFE_FREE(ld_error);
2404 return NT_STATUS_UNSUCCESSFUL;
2405 }
2406
2407 DEBUG(2, ("ldapsam_add_group_mapping_entry: successfully modified group %lu in LDAP\n", (unsigned long)map->gid));
2408 return NT_STATUS_OK;
2409 }
2410
2411 /**********************************************************************
2412 *********************************************************************/
2413
2414 static NTSTATUS ldapsam_update_group_mapping_entry(struct pdb_methods *methods,
2415 GROUP_MAP *map)
2416 {
2417 struct ldapsam_privates *ldap_state =
2418 (struct ldapsam_privates *)methods->private_data;
2419 int rc;
2420 char *dn = NULL;
2421 LDAPMessage *result = NULL;
2422 LDAPMessage *entry = NULL;
2423 LDAPMod **mods = NULL;
2424
2425 rc = ldapsam_search_one_group_by_gid(ldap_state, map->gid, &result);
2426
2427 if (rc != LDAP_SUCCESS) {
2428 return NT_STATUS_UNSUCCESSFUL;
2429 }
2430
2431 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) == 0) {
2432 DEBUG(0, ("ldapsam_update_group_mapping_entry: No group to modify!\n"));
2433 ldap_msgfree(result);
2434 return NT_STATUS_UNSUCCESSFUL;
2435 }
2436
2437 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
2438
2439 if (!init_ldap_from_group(ldap_state->smbldap_state->ldap_struct,
2440 result, &mods, map)) {
2441 DEBUG(0, ("ldapsam_update_group_mapping_entry: init_ldap_from_group failed\n"));
2442 ldap_msgfree(result);
2443 if (mods != NULL)
2444 ldap_mods_free(mods,True);
2445 return NT_STATUS_UNSUCCESSFUL;
2446 }
2447
2448 if (mods == NULL) {
2449 DEBUG(4, ("ldapsam_update_group_mapping_entry: mods is empty: nothing to do\n"));
2450 ldap_msgfree(result);
2451 return NT_STATUS_OK;
2452 }
2453
2454 dn = smbldap_get_dn(ldap_state->smbldap_state->ldap_struct, entry);
2455 if (!dn) {
2456 ldap_msgfree(result);
2457 return NT_STATUS_UNSUCCESSFUL;
2458 }
2459 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
2460 SAFE_FREE(dn);
2461
2462 ldap_mods_free(mods, True);
2463 ldap_msgfree(result);
2464
2465 if (rc != LDAP_SUCCESS) {
2466 char *ld_error = NULL;
2467 ldap_get_option(ldap_state->smbldap_state->ldap_struct, LDAP_OPT_ERROR_STRING,
2468 &ld_error);
2469 DEBUG(0, ("ldapsam_update_group_mapping_entry: failed to modify group %lu error: %s (%s)\n", (unsigned long)map->gid,
2470 ld_error ? ld_error : "(unknown)", ldap_err2string(rc)));
2471 SAFE_FREE(ld_error);
2472 return NT_STATUS_UNSUCCESSFUL;
2473 }
2474
2475 DEBUG(2, ("ldapsam_update_group_mapping_entry: successfully modified group %lu in LDAP\n", (unsigned long)map->gid));
2476 return NT_STATUS_OK;
2477 }
2478
2479 /**********************************************************************
2480 *********************************************************************/
2481
2482 static NTSTATUS ldapsam_delete_group_mapping_entry(struct pdb_methods *methods,
2483 DOM_SID sid)
2484 {
2485 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)methods->private_data;
2486 pstring sidstring, filter;
2487 LDAPMessage *result = NULL;
2488 int rc;
2489 NTSTATUS ret;
2490 char **attr_list;
2491
2492 sid_to_string(sidstring, &sid);
2493
2494 pstr_sprintf(filter, "(&(objectClass=%s)(%s=%s))",
2495 LDAP_OBJ_GROUPMAP, LDAP_ATTRIBUTE_SID, sidstring);
2496
2497 rc = ldapsam_search_one_group(ldap_state, filter, &result);
2498
2499 if (rc != LDAP_SUCCESS) {
2500 return NT_STATUS_NO_SUCH_GROUP;
2501 }
2502
2503 attr_list = get_attr_list( groupmap_attr_list_to_delete );
2504 ret = ldapsam_delete_entry(ldap_state, result, LDAP_OBJ_GROUPMAP, attr_list);
2505 free_attr_list ( attr_list );
2506
2507 ldap_msgfree(result);
2508
2509 return ret;
2510 }
2511
2512 /**********************************************************************
2513 *********************************************************************/
2514
2515 static NTSTATUS ldapsam_setsamgrent(struct pdb_methods *my_methods, BOOL update)
2516 {
2517 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
2518 fstring filter;
2519 int rc;
2520 char **attr_list;
2521
2522 pstr_sprintf( filter, "(objectclass=%s)", LDAP_OBJ_GROUPMAP);
2523 attr_list = get_attr_list( groupmap_attr_list );
2524 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_group_suffix(),
2525 LDAP_SCOPE_SUBTREE, filter,
2526 attr_list, 0, &ldap_state->result);
2527 free_attr_list( attr_list );
2528
2529 if (rc != LDAP_SUCCESS) {
2530 DEBUG(0, ("ldapsam_setsamgrent: LDAP search failed: %s\n", ldap_err2string(rc)));
2531 DEBUG(3, ("ldapsam_setsamgrent: Query was: %s, %s\n", lp_ldap_group_suffix(), filter));
2532 ldap_msgfree(ldap_state->result);
2533 ldap_state->result = NULL;
2534 return NT_STATUS_UNSUCCESSFUL;
2535 }
2536
2537 DEBUG(2, ("ldapsam_setsamgrent: %d entries in the base!\n",
2538 ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
2539 ldap_state->result)));
2540
2541 ldap_state->entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, ldap_state->result);
2542 ldap_state->index = 0;
2543
2544 return NT_STATUS_OK;
2545 }
2546
2547 /**********************************************************************
2548 *********************************************************************/
2549
2550 static void ldapsam_endsamgrent(struct pdb_methods *my_methods)
2551 {
2552 ldapsam_endsampwent(my_methods);
2553 }
2554
2555 /**********************************************************************
2556 *********************************************************************/
2557
2558 static NTSTATUS ldapsam_getsamgrent(struct pdb_methods *my_methods,
2559 GROUP_MAP *map)
2560 {
2561 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2562 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
2563 BOOL bret = False;
2564
2565 while (!bret) {
2566 if (!ldap_state->entry)
2567 return ret;
2568
2569 ldap_state->index++;
2570 bret = init_group_from_ldap(ldap_state, map, ldap_state->entry);
2571
2572 ldap_state->entry = ldap_next_entry(ldap_state->smbldap_state->ldap_struct,
2573 ldap_state->entry);
2574 }
2575
2576 return NT_STATUS_OK;
2577 }
2578
2579 /**********************************************************************
2580 *********************************************************************/
2581
2582 static NTSTATUS ldapsam_enum_group_mapping(struct pdb_methods *methods,
2583 enum SID_NAME_USE sid_name_use,
2584 GROUP_MAP **rmap, int *num_entries,
2585 BOOL unix_only)
2586 {
2587 GROUP_MAP map;
2588 GROUP_MAP *mapt;
2589 int entries = 0;
2590
2591 *num_entries = 0;
2592 *rmap = NULL;
2593
2594 if (!NT_STATUS_IS_OK(ldapsam_setsamgrent(methods, False))) {
2595 DEBUG(0, ("ldapsam_enum_group_mapping: Unable to open passdb\n"));
2596 return NT_STATUS_ACCESS_DENIED;
2597 }
2598
2599 while (NT_STATUS_IS_OK(ldapsam_getsamgrent(methods, &map))) {
2600 if (sid_name_use != SID_NAME_UNKNOWN &&
2601 sid_name_use != map.sid_name_use) {
2602 DEBUG(11,("ldapsam_enum_group_mapping: group %s is not of the requested type\n", map.nt_name));
2603 continue;
2604 }
2605 if (unix_only==ENUM_ONLY_MAPPED && map.gid==-1) {
2606 DEBUG(11,("ldapsam_enum_group_mapping: group %s is non mapped\n", map.nt_name));
2607 continue;
2608 }
2609
2610 mapt=SMB_REALLOC_ARRAY((*rmap), GROUP_MAP, entries+1);
2611 if (!mapt) {
2612 DEBUG(0,("ldapsam_enum_group_mapping: Unable to enlarge group map!\n"));
2613 SAFE_FREE(*rmap);
2614 return NT_STATUS_UNSUCCESSFUL;
2615 }
2616 else
2617 (*rmap) = mapt;
2618
2619 mapt[entries] = map;
2620
2621 entries += 1;
2622
2623 }
2624 ldapsam_endsamgrent(methods);
2625
2626 *num_entries = entries;
2627
2628 return NT_STATUS_OK;
2629 }
2630
2631 static NTSTATUS ldapsam_modify_aliasmem(struct pdb_methods *methods,
2632 const DOM_SID *alias,
2633 const DOM_SID *member,
2634 int modop)
2635 {
2636 struct ldapsam_privates *ldap_state =
2637 (struct ldapsam_privates *)methods->private_data;
2638 char *dn;
2639 LDAPMessage *result = NULL;
2640 LDAPMessage *entry = NULL;
2641 int count;
2642 LDAPMod **mods = NULL;
2643 int rc;
2644
2645 pstring filter;
2646
2647 pstr_sprintf(filter, "(&(|(objectClass=%s)(objectclass=%s))(%s=%s))",
2648 LDAP_OBJ_GROUPMAP, LDAP_OBJ_IDMAP_ENTRY,
2649 get_attr_key2string(groupmap_attr_list,
2650 LDAP_ATTR_GROUP_SID),
2651 sid_string_static(alias));
2652
2653 if (ldapsam_search_one_group(ldap_state, filter,
2654 &result) != LDAP_SUCCESS)
2655 return NT_STATUS_NO_SUCH_ALIAS;
2656
2657 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
2658 result);
2659
2660 if (count < 1) {
2661 DEBUG(4, ("ldapsam_modify_aliasmem: Did not find alias\n"));
2662 ldap_msgfree(result);
2663 return NT_STATUS_NO_SUCH_ALIAS;
2664 }
2665
2666 if (count > 1) {
2667 DEBUG(1, ("ldapsam_modify_aliasmem: Duplicate entries for filter %s: "
2668 "count=%d\n", filter, count));
2669 ldap_msgfree(result);
2670 return NT_STATUS_NO_SUCH_ALIAS;
2671 }
2672
2673 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
2674 result);
2675
2676 if (!entry) {
2677 ldap_msgfree(result);
2678 return NT_STATUS_UNSUCCESSFUL;
2679 }
2680
2681 dn = smbldap_get_dn(ldap_state->smbldap_state->ldap_struct, entry);
2682 if (!dn) {
2683 ldap_msgfree(result);
2684 return NT_STATUS_UNSUCCESSFUL;
2685 }
2686
2687 smbldap_set_mod(&mods, modop,
2688 get_attr_key2string(groupmap_attr_list,
2689 LDAP_ATTR_SID_LIST),
2690 sid_string_static(member));
2691
2692 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
2693
2694 ldap_mods_free(mods, True);
2695 ldap_msgfree(result);
2696
2697 if (rc != LDAP_SUCCESS) {
2698 char *ld_error = NULL;
2699 ldap_get_option(ldap_state->smbldap_state->ldap_struct,
2700 LDAP_OPT_ERROR_STRING,&ld_error);
2701
2702 DEBUG(0, ("ldapsam_modify_aliasmem: Could not modify alias "
2703 "for %s, error: %s (%s)\n", dn, ldap_err2string(rc),
2704 ld_error?ld_error:"unknown"));
2705 SAFE_FREE(ld_error);
2706 SAFE_FREE(dn);
2707 return NT_STATUS_UNSUCCESSFUL;
2708 }
2709
2710 SAFE_FREE(dn);
2711
2712 return NT_STATUS_OK;
2713 }
2714
2715 static NTSTATUS ldapsam_add_aliasmem(struct pdb_methods *methods,
2716 const DOM_SID *alias,
2717 const DOM_SID *member)
2718 {
2719 return ldapsam_modify_aliasmem(methods, alias, member, LDAP_MOD_ADD);
2720 }
2721
2722 static NTSTATUS ldapsam_del_aliasmem(struct pdb_methods *methods,
2723 const DOM_SID *alias,
2724 const DOM_SID *member)
2725 {
2726 return ldapsam_modify_aliasmem(methods, alias, member,
2727 LDAP_MOD_DELETE);
2728 }
2729
2730 static NTSTATUS ldapsam_enum_aliasmem(struct pdb_methods *methods,
2731 const DOM_SID *alias, DOM_SID **members,
2732 int *num_members)
2733 {
2734 struct ldapsam_privates *ldap_state =
2735 (struct ldapsam_privates *)methods->private_data;
2736 LDAPMessage *result = NULL;
2737 LDAPMessage *entry = NULL;
2738 int count;
2739 char **values;
2740 int i;
2741 pstring filter;
2742
2743 *members = NULL;
2744 *num_members = 0;
2745
2746 pstr_sprintf(filter, "(&(|(objectClass=%s)(objectclass=%s))(%s=%s))",
2747 LDAP_OBJ_GROUPMAP, LDAP_OBJ_IDMAP_ENTRY,
2748 get_attr_key2string(groupmap_attr_list,
2749 LDAP_ATTR_GROUP_SID),
2750 sid_string_static(alias));
2751
2752 if (ldapsam_search_one_group(ldap_state, filter,
2753 &result) != LDAP_SUCCESS)
2754 return NT_STATUS_NO_SUCH_ALIAS;
2755
2756 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
2757 result);
2758
2759 if (count < 1) {
2760 DEBUG(4, ("ldapsam_enum_aliasmem: Did not find alias\n"));
2761 ldap_msgfree(result);
2762 return NT_STATUS_NO_SUCH_ALIAS;
2763 }
2764
2765 if (count > 1) {
2766 DEBUG(1, ("ldapsam_enum_aliasmem: Duplicate entries for filter %s: "
2767 "count=%d\n", filter, count));
2768 ldap_msgfree(result);
2769 return NT_STATUS_NO_SUCH_ALIAS;
2770 }
2771
2772 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
2773 result);
2774
2775 if (!entry) {
2776 ldap_msgfree(result);
2777 return NT_STATUS_UNSUCCESSFUL;
2778 }
2779
2780 values = ldap_get_values(ldap_state->smbldap_state->ldap_struct,
2781 entry,
2782 get_attr_key2string(groupmap_attr_list,
2783 LDAP_ATTR_SID_LIST));
2784
2785 if (values == NULL) {
2786 ldap_msgfree(result);
2787 return NT_STATUS_OK;
2788 }
2789
2790 count = ldap_count_values(values);
2791
2792 for (i=0; i<count; i++) {
2793 DOM_SID member;
2794
2795 if (!string_to_sid(&member, values[i]))
2796 continue;
2797
2798 add_sid_to_array(&member, members, num_members);
2799 }
2800
2801 ldap_value_free(values);
2802 ldap_msgfree(result);
2803
2804 return NT_STATUS_OK;
2805 }
2806
2807 static NTSTATUS ldapsam_alias_memberships(struct pdb_methods *methods,
2808 const DOM_SID *members,
2809 int num_members,
2810 DOM_SID **aliases, int *num_aliases)
2811 {
2812 struct ldapsam_privates *ldap_state =
2813 (struct ldapsam_privates *)methods->private_data;
2814 LDAP *ldap_struct;
2815
2816 char *attrs[] = { LDAP_ATTRIBUTE_SID, NULL };
2817
2818 LDAPMessage *result = NULL;
2819 LDAPMessage *entry = NULL;
2820 int i;
2821 int rc;
2822 char *filter;
2823 TALLOC_CTX *mem_ctx;
2824
2825 mem_ctx = talloc_init("ldapsam_alias_memberships");
2826
2827 if (mem_ctx == NULL)
2828 return NT_STATUS_NO_MEMORY;
2829
2830 /* This query could be further optimized by adding a
2831 (&(sambaSID=<domain-sid>*)) so that only those aliases that are
2832 asked for in the getuseraliases are returned. */
2833
2834 filter = talloc_asprintf(mem_ctx,
2835 "(&(|(objectclass=%s)(objectclass=%s))(|",
2836 LDAP_OBJ_GROUPMAP, LDAP_OBJ_IDMAP_ENTRY);
2837
2838 for (i=0; i<num_members; i++)
2839 filter = talloc_asprintf(mem_ctx, "%s(sambaSIDList=%s)",
2840 filter,
2841 sid_string_static(&members[i]));
2842
2843 filter = talloc_asprintf(mem_ctx, "%s))", filter);
2844
2845 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_group_suffix(),
2846 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
2847
2848 talloc_destroy(mem_ctx);
2849
2850 if (rc != LDAP_SUCCESS)
2851 return NT_STATUS_UNSUCCESSFUL;
2852
2853 *aliases = NULL;
2854 *num_aliases = 0;
2855
2856 ldap_struct = ldap_state->smbldap_state->ldap_struct;
2857
2858 for (entry = ldap_first_entry(ldap_struct, result);
2859 entry != NULL;
2860 entry = ldap_next_entry(ldap_struct, entry))
2861 {
2862 fstring sid_str;
2863 DOM_SID sid;
2864
2865 if (!smbldap_get_single_attribute(ldap_struct, entry,
2866 LDAP_ATTRIBUTE_SID,
2867 sid_str,
2868 sizeof(sid_str)-1))
2869 continue;
2870
2871 if (!string_to_sid(&sid, sid_str))
2872 continue;
2873
2874 add_sid_to_array_unique(&sid, aliases, num_aliases);
2875 }
2876
2877 ldap_msgfree(result);
2878 return NT_STATUS_OK;
2879 }
2880
2881 /**********************************************************************
2882 Housekeeping
2883 *********************************************************************/
2884
2885 static void free_private_data(void **vp)
2886 {
2887 struct ldapsam_privates **ldap_state = (struct ldapsam_privates **)vp;
2888
2889 smbldap_free_struct(&(*ldap_state)->smbldap_state);
2890
2891 if ((*ldap_state)->result != NULL) {
2892 ldap_msgfree((*ldap_state)->result);
2893 (*ldap_state)->result = NULL;
2894 }
2895
2896 *ldap_state = NULL;
2897
2898 /* No need to free any further, as it is talloc()ed */
2899 }
2900
2901 /**********************************************************************
2902 Intitalise the parts of the pdb_context that are common to all pdb_ldap modes
2903 *********************************************************************/
2904
2905 static NTSTATUS pdb_init_ldapsam_common(PDB_CONTEXT *pdb_context, PDB_METHODS **pdb_method,
2906 const char *location)
2907 {
2908 NTSTATUS nt_status;
2909 struct ldapsam_privates *ldap_state;
2910
2911 if (!NT_STATUS_IS_OK(nt_status = make_pdb_methods(pdb_context->mem_ctx, pdb_method))) {
2912 return nt_status;
2913 }
2914
2915 (*pdb_method)->name = "ldapsam";
2916
2917 (*pdb_method)->setsampwent = ldapsam_setsampwent;
2918 (*pdb_method)->endsampwent = ldapsam_endsampwent;
2919 (*pdb_method)->getsampwent = ldapsam_getsampwent;
2920 (*pdb_method)->getsampwnam = ldapsam_getsampwnam;
2921 (*pdb_method)->getsampwsid = ldapsam_getsampwsid;
2922 (*pdb_method)->add_sam_account = ldapsam_add_sam_account;
2923 (*pdb_method)->update_sam_account = ldapsam_update_sam_account;
2924 (*pdb_method)->delete_sam_account = ldapsam_delete_sam_account;
2925
2926 (*pdb_method)->getgrsid = ldapsam_getgrsid;
2927 (*pdb_method)->getgrgid = ldapsam_getgrgid;
2928 (*pdb_method)->getgrnam = ldapsam_getgrnam;
2929 (*pdb_method)->add_group_mapping_entry = ldapsam_add_group_mapping_entry;
2930 (*pdb_method)->update_group_mapping_entry = ldapsam_update_group_mapping_entry;
2931 (*pdb_method)->delete_group_mapping_entry = ldapsam_delete_group_mapping_entry;
2932 (*pdb_method)->enum_group_mapping = ldapsam_enum_group_mapping;
2933 (*pdb_method)->enum_group_memberships = ldapsam_enum_group_memberships;
2934
2935 /* TODO: Setup private data and free */
2936
2937 ldap_state = TALLOC_ZERO_P(pdb_context->mem_ctx, struct ldapsam_privates);
2938 if (!ldap_state) {
2939 DEBUG(0, ("pdb_init_ldapsam_common: talloc() failed for ldapsam private_data!\n"));
2940 return NT_STATUS_NO_MEMORY;
2941 }
2942
2943 if (!NT_STATUS_IS_OK(nt_status =
2944 smbldap_init(pdb_context->mem_ctx, location,
2945 &ldap_state->smbldap_state)));
2946
2947 ldap_state->domain_name = talloc_strdup(pdb_context->mem_ctx, get_global_sam_name());
2948 if (!ldap_state->domain_name) {
2949 return NT_STATUS_NO_MEMORY;
2950 }
2951
2952 (*pdb_method)->private_data = ldap_state;
2953
2954 (*pdb_method)->free_private_data = free_private_data;
2955
2956 return NT_STATUS_OK;
2957 }
2958
2959 /**********************************************************************
2960 Initialise the 'compat' mode for pdb_ldap
2961 *********************************************************************/
2962
2963 static NTSTATUS pdb_init_ldapsam_compat(PDB_CONTEXT *pdb_context, PDB_METHODS **pdb_method, const char *location)
2964 {
2965 NTSTATUS nt_status;
2966 struct ldapsam_privates *ldap_state;
2967
2968 #ifdef WITH_LDAP_SAMCONFIG
2969 if (!location) {
2970 int ldap_port = lp_ldap_port();
2971
2972 /* remap default port if not using SSL (ie clear or TLS) */
2973 if ( (lp_ldap_ssl() != LDAP_SSL_ON) && (ldap_port == 636) ) {
2974 ldap_port = 389;
2975 }
2976
2977 location = talloc_asprintf(pdb_context->mem_ctx, "%s://%s:%d", lp_ldap_ssl() == LDAP_SSL_ON ? "ldaps" : "ldap", lp_ldap_server(), ldap_port);
2978 if (!location) {
2979 return NT_STATUS_NO_MEMORY;
2980 }
2981 }
2982 #endif
2983
2984 if (!NT_STATUS_IS_OK(nt_status = pdb_init_ldapsam_common(pdb_context, pdb_method, location))) {
2985 return nt_status;
2986 }
2987
2988 (*pdb_method)->name = "ldapsam_compat";
2989
2990 ldap_state = (*pdb_method)->private_data;
2991 ldap_state->schema_ver = SCHEMAVER_SAMBAACCOUNT;
2992
2993 sid_copy(&ldap_state->domain_sid, get_global_sam_sid());
2994
2995 return NT_STATUS_OK;
2996 }
2997
2998 /**********************************************************************
2999 Initialise the normal mode for pdb_ldap
3000 *********************************************************************/
3001
3002 static NTSTATUS pdb_init_ldapsam(PDB_CONTEXT *pdb_context, PDB_METHODS **pdb_method, const char *location)
3003 {
3004 NTSTATUS nt_status;
3005 struct ldapsam_privates *ldap_state;
3006 uint32 alg_rid_base;
3007 pstring alg_rid_base_string;
3008 LDAPMessage *result = NULL;
3009 LDAPMessage *entry = NULL;
3010 DOM_SID ldap_domain_sid;
3011 DOM_SID secrets_domain_sid;
3012 pstring domain_sid_string;
3013
3014 if (!NT_STATUS_IS_OK(nt_status = pdb_init_ldapsam_common(pdb_context, pdb_method, location))) {
3015 return nt_status;
3016 }
3017
3018 (*pdb_method)->name = "ldapsam";
3019
3020 (*pdb_method)->add_aliasmem = ldapsam_add_aliasmem;
3021 (*pdb_method)->del_aliasmem = ldapsam_del_aliasmem;
3022 (*pdb_method)->enum_aliasmem = ldapsam_enum_aliasmem;
3023 (*pdb_method)->enum_alias_memberships = ldapsam_alias_memberships;
3024
3025 ldap_state = (*pdb_method)->private_data;
3026 ldap_state->schema_ver = SCHEMAVER_SAMBASAMACCOUNT;
3027
3028 /* Try to setup the Domain Name, Domain SID, algorithmic rid base */
3029
3030 nt_status = smbldap_search_domain_info(ldap_state->smbldap_state, &result,
3031 ldap_state->domain_name, True);
3032
3033 if ( !NT_STATUS_IS_OK(nt_status) ) {
3034 DEBUG(2, ("pdb_init_ldapsam: WARNING: Could not get domain info, nor add one to the domain\n"));
3035 DEBUGADD(2, ("pdb_init_ldapsam: Continuing on regardless, will be unable to allocate new users/groups, \
3036 and will risk BDCs having inconsistant SIDs\n"));
3037 sid_copy(&ldap_state->domain_sid, get_global_sam_sid());
3038 return NT_STATUS_OK;
3039 }
3040
3041 /* Given that the above might fail, everything below this must be optional */
3042
3043 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
3044 if (!entry) {
3045 DEBUG(0, ("pdb_init_ldapsam: Could not get domain info entry\n"));
3046 ldap_msgfree(result);
3047 return NT_STATUS_UNSUCCESSFUL;
3048 }
3049
3050 if (smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
3051 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_SID),
3052 domain_sid_string)) {
3053 BOOL found_sid;
3054 if (!string_to_sid(&ldap_domain_sid, domain_sid_string)) {
3055 DEBUG(1, ("pdb_init_ldapsam: SID [%s] could not be read as a valid SID\n", domain_sid_string));
3056 return NT_STATUS_INVALID_PARAMETER;
3057 }
3058 found_sid = secrets_fetch_domain_sid(ldap_state->domain_name, &secrets_domain_sid);
3059 if (!found_sid || !sid_equal(&secrets_domain_sid, &ldap_domain_sid)) {
3060 fstring new_sid_str, old_sid_str;
3061 DEBUG(1, ("pdb_init_ldapsam: Resetting SID for domain %s based on pdb_ldap results %s -> %s\n",
3062 ldap_state->domain_name,
3063 sid_to_string(old_sid_str, &secrets_domain_sid),
3064 sid_to_string(new_sid_str, &ldap_domain_sid)));
3065
3066 /* reset secrets.tdb sid */
3067 secrets_store_domain_sid(ldap_state->domain_name, &ldap_domain_sid);
3068 DEBUG(1, ("New global sam SID: %s\n", sid_to_string(new_sid_str, get_global_sam_sid())));
3069 }
3070 sid_copy(&ldap_state->domain_sid, &ldap_domain_sid);
3071 }
3072
3073 if (smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
3074 get_attr_key2string( dominfo_attr_list, LDAP_ATTR_ALGORITHMIC_RID_BASE ),
3075 alg_rid_base_string)) {
3076 alg_rid_base = (uint32)atol(alg_rid_base_string);
3077 if (alg_rid_base != algorithmic_rid_base()) {
3078 DEBUG(0, ("The value of 'algorithmic RID base' has changed since the LDAP\n"
3079 "database was initialised. Aborting. \n"));
3080 ldap_msgfree(result);
3081 return NT_STATUS_UNSUCCESSFUL;
3082 }
3083 }
3084 ldap_msgfree(result);
3085
3086 return NT_STATUS_OK;
3087 }
3088
3089 NTSTATUS pdb_ldap_init(void)
3090 {
3091 NTSTATUS nt_status;
3092 if (!NT_STATUS_IS_OK(nt_status = smb_register_passdb(PASSDB_INTERFACE_VERSION, "ldapsam", pdb_init_ldapsam)))
3093 return nt_status;
3094
3095 if (!NT_STATUS_IS_OK(nt_status = smb_register_passdb(PASSDB_INTERFACE_VERSION, "ldapsam_compat", pdb_init_ldapsam_compat)))
3096 return nt_status;
3097
3098 return NT_STATUS_OK;
3099 }
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