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r5964: merging some fixes for 3.0.13
[Samba.git] / source / passdb / pdb_ldap.c
blob3dab919cb4698fa2333e5ec7d4a3748ce49a584b
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 /**********************************************************************
87 Free a LDAPMessage (one is stored on the SAM_ACCOUNT).
88 **********************************************************************/
89
90 void private_data_free_fn(void **result)
91 {
92 ldap_msgfree(*result);
93 *result = NULL;
94 }
95
96 /**********************************************************************
97 Get the attribute name given a user schame version.
98 **********************************************************************/
99
100 static const char* get_userattr_key2string( int schema_ver, int key )
101 {
102 switch ( schema_ver ) {
103 case SCHEMAVER_SAMBAACCOUNT:
104 return get_attr_key2string( attrib_map_v22, key );
105
106 case SCHEMAVER_SAMBASAMACCOUNT:
107 return get_attr_key2string( attrib_map_v30, key );
108
109 default:
110 DEBUG(0,("get_userattr_key2string: unknown schema version specified\n"));
111 break;
112 }
113 return NULL;
114 }
115
116 /**********************************************************************
117 Return the list of attribute names given a user schema version.
118 **********************************************************************/
119
120 const char** get_userattr_list( int schema_ver )
121 {
122 switch ( schema_ver ) {
123 case SCHEMAVER_SAMBAACCOUNT:
124 return get_attr_list( attrib_map_v22 );
125
126 case SCHEMAVER_SAMBASAMACCOUNT:
127 return get_attr_list( attrib_map_v30 );
128 default:
129 DEBUG(0,("get_userattr_list: unknown schema version specified!\n"));
130 break;
131 }
132
133 return NULL;
134 }
135
136 /**************************************************************************
137 Return the list of attribute names to delete given a user schema version.
138 **************************************************************************/
139
140 static const char** get_userattr_delete_list( int schema_ver )
141 {
142 switch ( schema_ver ) {
143 case SCHEMAVER_SAMBAACCOUNT:
144 return get_attr_list( attrib_map_to_delete_v22 );
145
146 case SCHEMAVER_SAMBASAMACCOUNT:
147 return get_attr_list( attrib_map_to_delete_v30 );
148 default:
149 DEBUG(0,("get_userattr_delete_list: unknown schema version specified!\n"));
150 break;
151 }
152
153 return NULL;
154 }
155
156
157 /*******************************************************************
158 Generate the LDAP search filter for the objectclass based on the
159 version of the schema we are using.
160 ******************************************************************/
161
162 static const char* get_objclass_filter( int schema_ver )
163 {
164 static fstring objclass_filter;
165
166 switch( schema_ver ) {
167 case SCHEMAVER_SAMBAACCOUNT:
168 fstr_sprintf( objclass_filter, "(objectclass=%s)", LDAP_OBJ_SAMBAACCOUNT );
169 break;
170 case SCHEMAVER_SAMBASAMACCOUNT:
171 fstr_sprintf( objclass_filter, "(objectclass=%s)", LDAP_OBJ_SAMBASAMACCOUNT );
172 break;
173 default:
174 DEBUG(0,("get_objclass_filter: Invalid schema version specified!\n"));
175 break;
176 }
177
178 return objclass_filter;
179 }
180
181 /*******************************************************************
182 Run the search by name.
183 ******************************************************************/
184
185 int ldapsam_search_suffix_by_name(struct ldapsam_privates *ldap_state,
186 const char *user,
187 LDAPMessage ** result,
188 const char **attr)
189 {
190 pstring filter;
191 char *escape_user = escape_ldap_string_alloc(user);
192
193 if (!escape_user) {
194 return LDAP_NO_MEMORY;
195 }
196
197 /*
198 * in the filter expression, replace %u with the real name
199 * so in ldap filter, %u MUST exist :-)
200 */
201 pstr_sprintf(filter, "(&%s%s)", lp_ldap_filter(),
202 get_objclass_filter(ldap_state->schema_ver));
203
204 /*
205 * have to use this here because $ is filtered out
206 * in pstring_sub
207 */
208
209
210 all_string_sub(filter, "%u", escape_user, sizeof(pstring));
211 SAFE_FREE(escape_user);
212
213 return smbldap_search_suffix(ldap_state->smbldap_state, filter, attr, result);
214 }
215
216 /*******************************************************************
217 Run the search by rid.
218 ******************************************************************/
219
220 static int ldapsam_search_suffix_by_rid (struct ldapsam_privates *ldap_state,
221 uint32 rid, LDAPMessage ** result,
222 const char **attr)
223 {
224 pstring filter;
225 int rc;
226
227 pstr_sprintf(filter, "(&(rid=%i)%s)", rid,
228 get_objclass_filter(ldap_state->schema_ver));
229
230 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, attr, result);
231
232 return rc;
233 }
234
235 /*******************************************************************
236 Run the search by SID.
237 ******************************************************************/
238
239 static int ldapsam_search_suffix_by_sid (struct ldapsam_privates *ldap_state,
240 const DOM_SID *sid, LDAPMessage ** result,
241 const char **attr)
242 {
243 pstring filter;
244 int rc;
245 fstring sid_string;
246
247 pstr_sprintf(filter, "(&(%s=%s)%s)",
248 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_SID),
249 sid_to_string(sid_string, sid),
250 get_objclass_filter(ldap_state->schema_ver));
251
252 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, attr, result);
253
254 return rc;
255 }
256
257 /*******************************************************************
258 Delete complete object or objectclass and attrs from
259 object found in search_result depending on lp_ldap_delete_dn
260 ******************************************************************/
261
262 static NTSTATUS ldapsam_delete_entry(struct ldapsam_privates *ldap_state,
263 LDAPMessage *result,
264 const char *objectclass,
265 const char **attrs)
266 {
267 int rc;
268 LDAPMessage *entry = NULL;
269 LDAPMod **mods = NULL;
270 char *name, *dn;
271 BerElement *ptr = NULL;
272
273 rc = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
274
275 if (rc != 1) {
276 DEBUG(0, ("ldapsam_delete_entry: Entry must exist exactly once!\n"));
277 return NT_STATUS_UNSUCCESSFUL;
278 }
279
280 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
281 dn = smbldap_get_dn(ldap_state->smbldap_state->ldap_struct, entry);
282 if (!dn) {
283 return NT_STATUS_UNSUCCESSFUL;
284 }
285
286 if (lp_ldap_delete_dn()) {
287 NTSTATUS ret = NT_STATUS_OK;
288 rc = smbldap_delete(ldap_state->smbldap_state, dn);
289
290 if (rc != LDAP_SUCCESS) {
291 DEBUG(0, ("ldapsam_delete_entry: Could not delete object %s\n", dn));
292 ret = NT_STATUS_UNSUCCESSFUL;
293 }
294 SAFE_FREE(dn);
295 return ret;
296 }
297
298 /* Ok, delete only the SAM attributes */
299
300 for (name = ldap_first_attribute(ldap_state->smbldap_state->ldap_struct, entry, &ptr);
301 name != NULL;
302 name = ldap_next_attribute(ldap_state->smbldap_state->ldap_struct, entry, ptr)) {
303 const char **attrib;
304
305 /* We are only allowed to delete the attributes that
306 really exist. */
307
308 for (attrib = attrs; *attrib != NULL; attrib++) {
309 /* Don't delete LDAP_ATTR_MOD_TIMESTAMP attribute. */
310 if (strequal(*attrib, get_userattr_key2string(ldap_state->schema_ver,
311 LDAP_ATTR_MOD_TIMESTAMP))) {
312 continue;
313 }
314 if (strequal(*attrib, name)) {
315 DEBUG(10, ("ldapsam_delete_entry: deleting "
316 "attribute %s\n", name));
317 smbldap_set_mod(&mods, LDAP_MOD_DELETE, name,
318 NULL);
319 }
320 }
321
322 ldap_memfree(name);
323 }
324
325 if (ptr != NULL) {
326 ber_free(ptr, 0);
327 }
328
329 smbldap_set_mod(&mods, LDAP_MOD_DELETE, "objectClass", objectclass);
330
331 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
332 ldap_mods_free(mods, True);
333
334 if (rc != LDAP_SUCCESS) {
335 char *ld_error = NULL;
336 ldap_get_option(ldap_state->smbldap_state->ldap_struct, LDAP_OPT_ERROR_STRING,
337 &ld_error);
338
339 DEBUG(0, ("ldapsam_delete_entry: Could not delete attributes for %s, error: %s (%s)\n",
340 dn, ldap_err2string(rc), ld_error?ld_error:"unknown"));
341 SAFE_FREE(ld_error);
342 SAFE_FREE(dn);
343 return NT_STATUS_UNSUCCESSFUL;
344 }
345
346 SAFE_FREE(dn);
347 return NT_STATUS_OK;
348 }
349
350 /* New Interface is being implemented here */
351
352 #if 0 /* JERRY - not uesed anymore */
353
354 /**********************************************************************
355 Initialize SAM_ACCOUNT from an LDAP query (unix attributes only)
356 *********************************************************************/
357 static BOOL get_unix_attributes (struct ldapsam_privates *ldap_state,
358 SAM_ACCOUNT * sampass,
359 LDAPMessage * entry,
360 gid_t *gid)
361 {
362 pstring homedir;
363 pstring temp;
364 char **ldap_values;
365 char **values;
366
367 if ((ldap_values = ldap_get_values (ldap_state->smbldap_state->ldap_struct, entry, "objectClass")) == NULL) {
368 DEBUG (1, ("get_unix_attributes: no objectClass! \n"));
369 return False;
370 }
371
372 for (values=ldap_values;*values;values++) {
373 if (strequal(*values, LDAP_OBJ_POSIXACCOUNT )) {
374 break;
375 }
376 }
377
378 if (!*values) { /*end of array, no posixAccount */
379 DEBUG(10, ("user does not have %s attributes\n", LDAP_OBJ_POSIXACCOUNT));
380 ldap_value_free(ldap_values);
381 return False;
382 }
383 ldap_value_free(ldap_values);
384
385 if ( !smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
386 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_UNIX_HOME), homedir) )
387 {
388 return False;
389 }
390
391 if ( !smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
392 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_GIDNUMBER), temp) )
393 {
394 return False;
395 }
396
397 *gid = (gid_t)atol(temp);
398
399 pdb_set_unix_homedir(sampass, homedir, PDB_SET);
400
401 DEBUG(10, ("user has %s attributes\n", LDAP_OBJ_POSIXACCOUNT));
402
403 return True;
404 }
405
406 #endif
407
408 static time_t ldapsam_get_entry_timestamp(
409 struct ldapsam_privates *ldap_state,
410 LDAPMessage * entry)
411 {
412 pstring temp;
413 struct tm tm;
414
415 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
416 get_userattr_key2string(ldap_state->schema_ver,LDAP_ATTR_MOD_TIMESTAMP),
417 temp))
418 return (time_t) 0;
419
420 strptime(temp, "%Y%m%d%H%M%SZ", &tm);
421 tzset();
422 return timegm(&tm);
423 }
424
425 /**********************************************************************
426 Initialize SAM_ACCOUNT from an LDAP query.
427 (Based on init_sam_from_buffer in pdb_tdb.c)
428 *********************************************************************/
429
430 static BOOL init_sam_from_ldap(struct ldapsam_privates *ldap_state,
431 SAM_ACCOUNT * sampass,
432 LDAPMessage * entry)
433 {
434 time_t logon_time,
435 logoff_time,
436 kickoff_time,
437 pass_last_set_time,
438 pass_can_change_time,
439 pass_must_change_time,
440 ldap_entry_time,
441 bad_password_time;
442 pstring username,
443 domain,
444 nt_username,
445 fullname,
446 homedir,
447 dir_drive,
448 logon_script,
449 profile_path,
450 acct_desc,
451 workstations;
452 char munged_dial[2048];
453 uint32 user_rid;
454 uint8 smblmpwd[LM_HASH_LEN],
455 smbntpwd[NT_HASH_LEN];
456 BOOL use_samba_attrs = True;
457 uint16 acct_ctrl = 0,
458 logon_divs;
459 uint16 bad_password_count = 0,
460 logon_count = 0;
461 uint32 hours_len;
462 uint8 hours[MAX_HOURS_LEN];
463 pstring temp;
464 LOGIN_CACHE *cache_entry = NULL;
465 int pwHistLen;
466 pstring tmpstring;
467
468 /*
469 * do a little initialization
470 */
471 username[0] = '\0';
472 domain[0] = '\0';
473 nt_username[0] = '\0';
474 fullname[0] = '\0';
475 homedir[0] = '\0';
476 dir_drive[0] = '\0';
477 logon_script[0] = '\0';
478 profile_path[0] = '\0';
479 acct_desc[0] = '\0';
480 munged_dial[0] = '\0';
481 workstations[0] = '\0';
482
483
484 if (sampass == NULL || ldap_state == NULL || entry == NULL) {
485 DEBUG(0, ("init_sam_from_ldap: NULL parameters found!\n"));
486 return False;
487 }
488
489 if (ldap_state->smbldap_state->ldap_struct == NULL) {
490 DEBUG(0, ("init_sam_from_ldap: ldap_state->smbldap_state->ldap_struct is NULL!\n"));
491 return False;
492 }
493
494 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry, "uid", username)) {
495 DEBUG(1, ("init_sam_from_ldap: No uid attribute found for this user!\n"));
496 return False;
497 }
498
499 DEBUG(2, ("init_sam_from_ldap: Entry found for user: %s\n", username));
500
501 pstrcpy(nt_username, username);
502
503 pstrcpy(domain, ldap_state->domain_name);
504
505 pdb_set_username(sampass, username, PDB_SET);
506
507 pdb_set_domain(sampass, domain, PDB_DEFAULT);
508 pdb_set_nt_username(sampass, nt_username, PDB_SET);
509
510 /* deal with different attributes between the schema first */
511
512 if ( ldap_state->schema_ver == SCHEMAVER_SAMBASAMACCOUNT ) {
513 if (smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
514 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_SID), temp)) {
515 pdb_set_user_sid_from_string(sampass, temp, PDB_SET);
516 }
517
518 if (smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
519 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PRIMARY_GROUP_SID), temp)) {
520 pdb_set_group_sid_from_string(sampass, temp, PDB_SET);
521 } else {
522 pdb_set_group_sid_from_rid(sampass, DOMAIN_GROUP_RID_USERS, PDB_DEFAULT);
523 }
524 } else {
525 if (smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
526 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_RID), temp)) {
527 user_rid = (uint32)atol(temp);
528 pdb_set_user_sid_from_rid(sampass, user_rid, 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_RID), temp)) {
533 pdb_set_group_sid_from_rid(sampass, DOMAIN_GROUP_RID_USERS, PDB_DEFAULT);
534 } else {
535 uint32 group_rid;
536
537 group_rid = (uint32)atol(temp);
538
539 /* for some reason, we often have 0 as a primary group RID.
540 Make sure that we treat this just as a 'default' value */
541
542 if ( group_rid > 0 )
543 pdb_set_group_sid_from_rid(sampass, group_rid, PDB_SET);
544 else
545 pdb_set_group_sid_from_rid(sampass, DOMAIN_GROUP_RID_USERS, PDB_DEFAULT);
546 }
547 }
548
549 if (pdb_get_init_flags(sampass,PDB_USERSID) == PDB_DEFAULT) {
550 DEBUG(1, ("init_sam_from_ldap: no %s or %s attribute found for this user %s\n",
551 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_SID),
552 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_RID),
553 username));
554 return False;
555 }
556
557 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
558 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_LAST_SET), temp)) {
559 /* leave as default */
560 } else {
561 pass_last_set_time = (time_t) atol(temp);
562 pdb_set_pass_last_set_time(sampass, pass_last_set_time, PDB_SET);
563 }
564
565 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
566 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_TIME), temp)) {
567 /* leave as default */
568 } else {
569 logon_time = (time_t) atol(temp);
570 pdb_set_logon_time(sampass, logon_time, PDB_SET);
571 }
572
573 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
574 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGOFF_TIME), temp)) {
575 /* leave as default */
576 } else {
577 logoff_time = (time_t) atol(temp);
578 pdb_set_logoff_time(sampass, logoff_time, PDB_SET);
579 }
580
581 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
582 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_KICKOFF_TIME), temp)) {
583 /* leave as default */
584 } else {
585 kickoff_time = (time_t) atol(temp);
586 pdb_set_kickoff_time(sampass, kickoff_time, PDB_SET);
587 }
588
589 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
590 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_CAN_CHANGE), temp)) {
591 /* leave as default */
592 } else {
593 pass_can_change_time = (time_t) atol(temp);
594 pdb_set_pass_can_change_time(sampass, pass_can_change_time, PDB_SET);
595 }
596
597 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
598 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_MUST_CHANGE), temp)) {
599 /* leave as default */
600 } else {
601 pass_must_change_time = (time_t) atol(temp);
602 pdb_set_pass_must_change_time(sampass, pass_must_change_time, PDB_SET);
603 }
604
605 /* recommend that 'gecos' and 'displayName' should refer to the same
606 * attribute OID. userFullName depreciated, only used by Samba
607 * primary rules of LDAP: don't make a new attribute when one is already defined
608 * that fits your needs; using cn then displayName rather than 'userFullName'
609 */
610
611 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
612 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DISPLAY_NAME), fullname)) {
613 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
614 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_CN), fullname)) {
615 /* leave as default */
616 } else {
617 pdb_set_fullname(sampass, fullname, PDB_SET);
618 }
619 } else {
620 pdb_set_fullname(sampass, fullname, PDB_SET);
621 }
622
623 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
624 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_DRIVE), dir_drive))
625 {
626 pdb_set_dir_drive( sampass, lp_logon_drive(), PDB_DEFAULT );
627 } else {
628 pdb_set_dir_drive(sampass, dir_drive, PDB_SET);
629 }
630
631 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
632 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_PATH), homedir))
633 {
634 pdb_set_homedir( sampass,
635 talloc_sub_basic(sampass->mem_ctx, username, lp_logon_home()),
636 PDB_DEFAULT );
637 } else {
638 pstrcpy( tmpstring, homedir );
639 standard_sub_basic( username, tmpstring, sizeof(tmpstring) );
640 pdb_set_homedir(sampass, tmpstring, PDB_SET);
641 }
642
643 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
644 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_SCRIPT), logon_script))
645 {
646 pdb_set_logon_script( sampass,
647 talloc_sub_basic(sampass->mem_ctx, username, lp_logon_script()),
648 PDB_DEFAULT );
649 } else {
650 pstrcpy( tmpstring, logon_script );
651 standard_sub_basic( username, tmpstring, sizeof(tmpstring) );
652 pdb_set_logon_script(sampass, tmpstring, PDB_SET);
653 }
654
655 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
656 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PROFILE_PATH), profile_path))
657 {
658 pdb_set_profile_path( sampass,
659 talloc_sub_basic( sampass->mem_ctx, username, lp_logon_path()),
660 PDB_DEFAULT );
661 } else {
662 pstrcpy( tmpstring, profile_path );
663 standard_sub_basic( username, tmpstring, sizeof(tmpstring) );
664 pdb_set_profile_path(sampass, tmpstring, PDB_SET);
665 }
666
667 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
668 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DESC), acct_desc))
669 {
670 /* leave as default */
671 } else {
672 pdb_set_acct_desc(sampass, acct_desc, PDB_SET);
673 }
674
675 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
676 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_WKS), workstations)) {
677 /* leave as default */;
678 } else {
679 pdb_set_workstations(sampass, workstations, PDB_SET);
680 }
681
682 if (!smbldap_get_single_attribute(ldap_state->smbldap_state->ldap_struct, entry,
683 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_MUNGED_DIAL), munged_dial, sizeof(munged_dial))) {
684 /* leave as default */;
685 } else {
686 pdb_set_munged_dial(sampass, munged_dial, PDB_SET);
687 }
688
689 /* FIXME: hours stuff should be cleaner */
690
691 logon_divs = 168;
692 hours_len = 21;
693 memset(hours, 0xff, hours_len);
694
695 if (ldap_state->is_nds_ldap) {
696 char *user_dn;
697 size_t pwd_len;
698 uchar clear_text_pw[512];
699
700 /* Make call to Novell eDirectory ldap extension to get clear text password.
701 NOTE: This will only work if we have an SSL connection to eDirectory. */
702 user_dn = smbldap_get_dn(ldap_state->smbldap_state->ldap_struct, entry);
703 if (user_dn != NULL) {
704 DEBUG(3, ("init_sam_from_ldap: smbldap_get_dn(%s) returned '%s'\n", username, user_dn));
705
706 pwd_len = sizeof(clear_text_pw);
707 if (pdb_nds_get_password(ldap_state->smbldap_state, user_dn, &pwd_len, clear_text_pw) == LDAP_SUCCESS) {
708 nt_lm_owf_gen(clear_text_pw, smbntpwd, smblmpwd);
709 if (!pdb_set_lanman_passwd(sampass, smblmpwd, PDB_SET))
710 return False;
711 ZERO_STRUCT(smblmpwd);
712 if (!pdb_set_nt_passwd(sampass, smbntpwd, PDB_SET))
713 return False;
714 ZERO_STRUCT(smbntpwd);
715 use_samba_attrs = False;
716 }
717 } else {
718 DEBUG(0, ("init_sam_from_ldap: failed to get user_dn for '%s'\n", username));
719 }
720 }
721
722 if (use_samba_attrs) {
723 if (!smbldap_get_single_pstring (ldap_state->smbldap_state->ldap_struct, entry,
724 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LMPW), temp)) {
725 /* leave as default */
726 } else {
727 pdb_gethexpwd(temp, smblmpwd);
728 memset((char *)temp, '\0', strlen(temp)+1);
729 if (!pdb_set_lanman_passwd(sampass, smblmpwd, PDB_SET))
730 return False;
731 ZERO_STRUCT(smblmpwd);
732 }
733
734 if (!smbldap_get_single_pstring (ldap_state->smbldap_state->ldap_struct, entry,
735 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_NTPW), temp)) {
736 /* leave as default */
737 } else {
738 pdb_gethexpwd(temp, smbntpwd);
739 memset((char *)temp, '\0', strlen(temp)+1);
740 if (!pdb_set_nt_passwd(sampass, smbntpwd, PDB_SET))
741 return False;
742 ZERO_STRUCT(smbntpwd);
743 }
744 }
745
746 account_policy_get(AP_PASSWORD_HISTORY, &pwHistLen);
747 if (pwHistLen > 0){
748 uint8 *pwhist = NULL;
749 int i;
750
751 /* We can only store (sizeof(pstring)-1)/64 password history entries. */
752 pwHistLen = MIN(pwHistLen, ((sizeof(temp)-1)/64));
753
754 if ((pwhist = SMB_MALLOC(pwHistLen * PW_HISTORY_ENTRY_LEN)) == NULL){
755 DEBUG(0, ("init_sam_from_ldap: malloc failed!\n"));
756 return False;
757 }
758 memset(pwhist, '\0', pwHistLen * PW_HISTORY_ENTRY_LEN);
759
760 if (!smbldap_get_single_pstring (ldap_state->smbldap_state->ldap_struct, entry,
761 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_HISTORY), temp)) {
762 /* leave as default - zeros */
763 } else {
764 BOOL hex_failed = False;
765 for (i = 0; i < pwHistLen; i++){
766 /* Get the 16 byte salt. */
767 if (!pdb_gethexpwd(&temp[i*64], &pwhist[i*PW_HISTORY_ENTRY_LEN])) {
768 hex_failed = True;
769 break;
770 }
771 /* Get the 16 byte MD5 hash of salt+passwd. */
772 if (!pdb_gethexpwd(&temp[(i*64)+32],
773 &pwhist[(i*PW_HISTORY_ENTRY_LEN)+PW_HISTORY_SALT_LEN])) {
774 hex_failed = True;
775 break;
776 }
777 }
778 if (hex_failed) {
779 DEBUG(0,("init_sam_from_ldap: Failed to get password history for user %s\n",
780 username));
781 memset(pwhist, '\0', pwHistLen * PW_HISTORY_ENTRY_LEN);
782 }
783 }
784 if (!pdb_set_pw_history(sampass, pwhist, pwHistLen, PDB_SET)){
785 SAFE_FREE(pwhist);
786 return False;
787 }
788 SAFE_FREE(pwhist);
789 }
790
791 if (!smbldap_get_single_pstring (ldap_state->smbldap_state->ldap_struct, entry,
792 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_ACB_INFO), temp)) {
793 acct_ctrl |= ACB_NORMAL;
794 } else {
795 acct_ctrl = pdb_decode_acct_ctrl(temp);
796
797 if (acct_ctrl == 0)
798 acct_ctrl |= ACB_NORMAL;
799
800 pdb_set_acct_ctrl(sampass, acct_ctrl, PDB_SET);
801 }
802
803 pdb_set_hours_len(sampass, hours_len, PDB_SET);
804 pdb_set_logon_divs(sampass, logon_divs, PDB_SET);
805
806 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
807 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_BAD_PASSWORD_COUNT), temp)) {
808 /* leave as default */
809 } else {
810 bad_password_count = (uint32) atol(temp);
811 pdb_set_bad_password_count(sampass, bad_password_count, PDB_SET);
812 }
813
814 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
815 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_BAD_PASSWORD_TIME), temp)) {
816 /* leave as default */
817 } else {
818 bad_password_time = (time_t) atol(temp);
819 pdb_set_bad_password_time(sampass, bad_password_time, PDB_SET);
820 }
821
822
823 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
824 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_COUNT), temp)) {
825 /* leave as default */
826 } else {
827 logon_count = (uint32) atol(temp);
828 pdb_set_logon_count(sampass, logon_count, PDB_SET);
829 }
830
831 /* pdb_set_unknown_6(sampass, unknown6, PDB_SET); */
832
833 if(!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
834 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_HOURS), temp)) {
835 /* leave as default */
836 } else {
837 pdb_gethexhours(temp, hours);
838 memset((char *)temp, '\0', strlen(temp) +1);
839 pdb_set_hours(sampass, hours, PDB_SET);
840 ZERO_STRUCT(hours);
841 }
842
843 /* check the timestamp of the cache vs ldap entry */
844 if (!(ldap_entry_time = ldapsam_get_entry_timestamp(ldap_state,
845 entry)))
846 return True;
847
848 /* see if we have newer updates */
849 if (!(cache_entry = login_cache_read(sampass))) {
850 DEBUG (9, ("No cache entry, bad count = %u, bad time = %u\n",
851 (unsigned int)pdb_get_bad_password_count(sampass),
852 (unsigned int)pdb_get_bad_password_time(sampass)));
853 return True;
854 }
855
856 DEBUG(7, ("ldap time is %u, cache time is %u, bad time = %u\n",
857 (unsigned int)ldap_entry_time, (unsigned int)cache_entry->entry_timestamp,
858 (unsigned int)cache_entry->bad_password_time));
859
860 if (ldap_entry_time > cache_entry->entry_timestamp) {
861 /* cache is older than directory , so
862 we need to delete the entry but allow the
863 fields to be written out */
864 login_cache_delentry(sampass);
865 } else {
866 /* read cache in */
867 pdb_set_acct_ctrl(sampass,
868 pdb_get_acct_ctrl(sampass) |
869 (cache_entry->acct_ctrl & ACB_AUTOLOCK),
870 PDB_SET);
871 pdb_set_bad_password_count(sampass,
872 cache_entry->bad_password_count,
873 PDB_SET);
874 pdb_set_bad_password_time(sampass,
875 cache_entry->bad_password_time,
876 PDB_SET);
877 }
878
879 SAFE_FREE(cache_entry);
880 return True;
881 }
882
883 /**********************************************************************
884 Initialize the ldap db from a SAM_ACCOUNT. Called on update.
885 (Based on init_buffer_from_sam in pdb_tdb.c)
886 *********************************************************************/
887
888 static BOOL init_ldap_from_sam (struct ldapsam_privates *ldap_state,
889 LDAPMessage *existing,
890 LDAPMod *** mods, SAM_ACCOUNT * sampass,
891 BOOL (*need_update)(const SAM_ACCOUNT *,
892 enum pdb_elements))
893 {
894 pstring temp;
895 uint32 rid;
896
897 if (mods == NULL || sampass == NULL) {
898 DEBUG(0, ("init_ldap_from_sam: NULL parameters found!\n"));
899 return False;
900 }
901
902 *mods = NULL;
903
904 /*
905 * took out adding "objectclass: sambaAccount"
906 * do this on a per-mod basis
907 */
908 if (need_update(sampass, PDB_USERNAME))
909 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
910 "uid", pdb_get_username(sampass));
911
912 DEBUG(2, ("init_ldap_from_sam: Setting entry for user: %s\n", pdb_get_username(sampass)));
913
914 /* only update the RID if we actually need to */
915 if (need_update(sampass, PDB_USERSID)) {
916 fstring sid_string;
917 fstring dom_sid_string;
918 const DOM_SID *user_sid = pdb_get_user_sid(sampass);
919
920 switch ( ldap_state->schema_ver ) {
921 case SCHEMAVER_SAMBAACCOUNT:
922 if (!sid_peek_check_rid(&ldap_state->domain_sid, user_sid, &rid)) {
923 DEBUG(1, ("init_ldap_from_sam: User's SID (%s) is not for this domain (%s), cannot add to LDAP!\n",
924 sid_to_string(sid_string, user_sid),
925 sid_to_string(dom_sid_string, &ldap_state->domain_sid)));
926 return False;
927 }
928 slprintf(temp, sizeof(temp) - 1, "%i", rid);
929 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
930 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_RID),
931 temp);
932 break;
933
934 case SCHEMAVER_SAMBASAMACCOUNT:
935 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
936 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_SID),
937 sid_to_string(sid_string, user_sid));
938 break;
939
940 default:
941 DEBUG(0,("init_ldap_from_sam: unknown schema version specified\n"));
942 break;
943 }
944 }
945
946 /* we don't need to store the primary group RID - so leaving it
947 'free' to hang off the unix primary group makes life easier */
948
949 if (need_update(sampass, PDB_GROUPSID)) {
950 fstring sid_string;
951 fstring dom_sid_string;
952 const DOM_SID *group_sid = pdb_get_group_sid(sampass);
953
954 switch ( ldap_state->schema_ver ) {
955 case SCHEMAVER_SAMBAACCOUNT:
956 if (!sid_peek_check_rid(&ldap_state->domain_sid, group_sid, &rid)) {
957 DEBUG(1, ("init_ldap_from_sam: User's Primary Group SID (%s) is not for this domain (%s), cannot add to LDAP!\n",
958 sid_to_string(sid_string, group_sid),
959 sid_to_string(dom_sid_string, &ldap_state->domain_sid)));
960 return False;
961 }
962
963 slprintf(temp, sizeof(temp) - 1, "%i", rid);
964 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
965 get_userattr_key2string(ldap_state->schema_ver,
966 LDAP_ATTR_PRIMARY_GROUP_RID), temp);
967 break;
968
969 case SCHEMAVER_SAMBASAMACCOUNT:
970 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
971 get_userattr_key2string(ldap_state->schema_ver,
972 LDAP_ATTR_PRIMARY_GROUP_SID), sid_to_string(sid_string, group_sid));
973 break;
974
975 default:
976 DEBUG(0,("init_ldap_from_sam: unknown schema version specified\n"));
977 break;
978 }
979
980 }
981
982 /* displayName, cn, and gecos should all be the same
983 * most easily accomplished by giving them the same OID
984 * gecos isn't set here b/c it should be handled by the
985 * add-user script
986 * We change displayName only and fall back to cn if
987 * it does not exist.
988 */
989
990 if (need_update(sampass, PDB_FULLNAME))
991 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
992 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DISPLAY_NAME),
993 pdb_get_fullname(sampass));
994
995 if (need_update(sampass, PDB_ACCTDESC))
996 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
997 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DESC),
998 pdb_get_acct_desc(sampass));
999
1000 if (need_update(sampass, PDB_WORKSTATIONS))
1001 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1002 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_WKS),
1003 pdb_get_workstations(sampass));
1004
1005 if (need_update(sampass, PDB_MUNGEDDIAL))
1006 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1007 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_MUNGED_DIAL),
1008 pdb_get_munged_dial(sampass));
1009
1010 if (need_update(sampass, PDB_SMBHOME))
1011 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1012 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_PATH),
1013 pdb_get_homedir(sampass));
1014
1015 if (need_update(sampass, PDB_DRIVE))
1016 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1017 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_DRIVE),
1018 pdb_get_dir_drive(sampass));
1019
1020 if (need_update(sampass, PDB_LOGONSCRIPT))
1021 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1022 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_SCRIPT),
1023 pdb_get_logon_script(sampass));
1024
1025 if (need_update(sampass, PDB_PROFILE))
1026 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1027 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PROFILE_PATH),
1028 pdb_get_profile_path(sampass));
1029
1030 slprintf(temp, sizeof(temp) - 1, "%li", pdb_get_logon_time(sampass));
1031 if (need_update(sampass, PDB_LOGONTIME))
1032 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1033 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_TIME), temp);
1034
1035 slprintf(temp, sizeof(temp) - 1, "%li", pdb_get_logoff_time(sampass));
1036 if (need_update(sampass, PDB_LOGOFFTIME))
1037 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1038 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGOFF_TIME), temp);
1039
1040 slprintf (temp, sizeof (temp) - 1, "%li", pdb_get_kickoff_time(sampass));
1041 if (need_update(sampass, PDB_KICKOFFTIME))
1042 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1043 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_KICKOFF_TIME), temp);
1044
1045 slprintf (temp, sizeof (temp) - 1, "%li", pdb_get_pass_can_change_time(sampass));
1046 if (need_update(sampass, PDB_CANCHANGETIME))
1047 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1048 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_CAN_CHANGE), temp);
1049
1050 slprintf (temp, sizeof (temp) - 1, "%li", pdb_get_pass_must_change_time(sampass));
1051 if (need_update(sampass, PDB_MUSTCHANGETIME))
1052 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1053 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_MUST_CHANGE), temp);
1054
1055
1056 if ((pdb_get_acct_ctrl(sampass)&(ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST))
1057 || (lp_ldap_passwd_sync()!=LDAP_PASSWD_SYNC_ONLY)) {
1058
1059 if (need_update(sampass, PDB_LMPASSWD)) {
1060 const uchar *lm_pw = pdb_get_lanman_passwd(sampass);
1061 if (lm_pw) {
1062 pdb_sethexpwd(temp, lm_pw,
1063 pdb_get_acct_ctrl(sampass));
1064 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1065 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LMPW),
1066 temp);
1067 } else {
1068 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1069 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LMPW),
1070 NULL);
1071 }
1072 }
1073 if (need_update(sampass, PDB_NTPASSWD)) {
1074 const uchar *nt_pw = pdb_get_nt_passwd(sampass);
1075 if (nt_pw) {
1076 pdb_sethexpwd(temp, nt_pw,
1077 pdb_get_acct_ctrl(sampass));
1078 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1079 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_NTPW),
1080 temp);
1081 } else {
1082 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1083 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_NTPW),
1084 NULL);
1085 }
1086 }
1087
1088 if (need_update(sampass, PDB_PWHISTORY)) {
1089 int pwHistLen = 0;
1090 account_policy_get(AP_PASSWORD_HISTORY, &pwHistLen);
1091 if (pwHistLen == 0) {
1092 /* Remove any password history from the LDAP store. */
1093 memset(temp, '0', 64); /* NOTE !!!! '0' *NOT '\0' */
1094 temp[64] = '\0';
1095 } else {
1096 int i, currHistLen = 0;
1097 const uint8 *pwhist = pdb_get_pw_history(sampass, &currHistLen);
1098 if (pwhist != NULL) {
1099 /* We can only store (sizeof(pstring)-1)/64 password history entries. */
1100 pwHistLen = MIN(pwHistLen, ((sizeof(temp)-1)/64));
1101 for (i=0; i< pwHistLen && i < currHistLen; i++) {
1102 /* Store the salt. */
1103 pdb_sethexpwd(&temp[i*64], &pwhist[i*PW_HISTORY_ENTRY_LEN], 0);
1104 /* Followed by the md5 hash of salt + md4 hash */
1105 pdb_sethexpwd(&temp[(i*64)+32],
1106 &pwhist[(i*PW_HISTORY_ENTRY_LEN)+PW_HISTORY_SALT_LEN], 0);
1107 DEBUG(100, ("temp=%s\n", temp));
1108 }
1109 }
1110 }
1111 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1112 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_HISTORY),
1113 temp);
1114 }
1115
1116 if (need_update(sampass, PDB_PASSLASTSET)) {
1117 slprintf (temp, sizeof (temp) - 1, "%li", pdb_get_pass_last_set_time(sampass));
1118 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1119 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_LAST_SET),
1120 temp);
1121 }
1122 }
1123
1124 if (need_update(sampass, PDB_HOURS)) {
1125 const char *hours = pdb_get_hours(sampass);
1126 if (hours) {
1127 pdb_sethexhours(temp, hours);
1128 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct,
1129 existing,
1130 mods,
1131 get_userattr_key2string(ldap_state->schema_ver,
1132 LDAP_ATTR_LOGON_HOURS),
1133 temp);
1134 }
1135 }
1136
1137 if (need_update(sampass, PDB_ACCTCTRL))
1138 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1139 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_ACB_INFO),
1140 pdb_encode_acct_ctrl (pdb_get_acct_ctrl(sampass), NEW_PW_FORMAT_SPACE_PADDED_LEN));
1141
1142 /* password lockout cache:
1143 - If we are now autolocking or clearing, we write to ldap
1144 - If we are clearing, we delete the cache entry
1145 - If the count is > 0, we update the cache
1146
1147 This even means when autolocking, we cache, just in case the
1148 update doesn't work, and we have to cache the autolock flag */
1149
1150 if (need_update(sampass, PDB_BAD_PASSWORD_COUNT)) /* &&
1151 need_update(sampass, PDB_BAD_PASSWORD_TIME)) */ {
1152 uint16 badcount = pdb_get_bad_password_count(sampass);
1153 time_t badtime = pdb_get_bad_password_time(sampass);
1154 uint32 pol;
1155 account_policy_get(AP_BAD_ATTEMPT_LOCKOUT, &pol);
1156
1157 DEBUG(3, ("updating bad password fields, policy=%u, count=%u, time=%u\n",
1158 (unsigned int)pol, (unsigned int)badcount, (unsigned int)badtime));
1159
1160 if ((badcount >= pol) || (badcount == 0)) {
1161 DEBUG(7, ("making mods to update ldap, count=%u, time=%u\n",
1162 (unsigned int)badcount, (unsigned int)badtime));
1163 slprintf (temp, sizeof (temp) - 1, "%li", (long)badcount);
1164 smbldap_make_mod(
1165 ldap_state->smbldap_state->ldap_struct,
1166 existing, mods,
1167 get_userattr_key2string(
1168 ldap_state->schema_ver,
1169 LDAP_ATTR_BAD_PASSWORD_COUNT),
1170 temp);
1171
1172 slprintf (temp, sizeof (temp) - 1, "%li", badtime);
1173 smbldap_make_mod(
1174 ldap_state->smbldap_state->ldap_struct,
1175 existing, mods,
1176 get_userattr_key2string(
1177 ldap_state->schema_ver,
1178 LDAP_ATTR_BAD_PASSWORD_TIME),
1179 temp);
1180 }
1181 if (badcount == 0) {
1182 DEBUG(7, ("bad password count is reset, deleting login cache entry for %s\n", pdb_get_nt_username(sampass)));
1183 login_cache_delentry(sampass);
1184 } else {
1185 LOGIN_CACHE cache_entry;
1186
1187 cache_entry.entry_timestamp = time(NULL);
1188 cache_entry.acct_ctrl = pdb_get_acct_ctrl(sampass);
1189 cache_entry.bad_password_count = badcount;
1190 cache_entry.bad_password_time = badtime;
1191
1192 DEBUG(7, ("Updating bad password count and time in login cache\n"));
1193 login_cache_write(sampass, cache_entry);
1194 }
1195 }
1196
1197 return True;
1198 }
1199
1200 /**********************************************************************
1201 Connect to LDAP server for password enumeration.
1202 *********************************************************************/
1203
1204 static NTSTATUS ldapsam_setsampwent(struct pdb_methods *my_methods, BOOL update, uint16 acb_mask)
1205 {
1206 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1207 int rc;
1208 pstring filter, suffix;
1209 const char **attr_list;
1210 BOOL machine_mask = False, user_mask = False;
1211
1212 pstr_sprintf( filter, "(&%s%s)", lp_ldap_filter(),
1213 get_objclass_filter(ldap_state->schema_ver));
1214 all_string_sub(filter, "%u", "*", sizeof(pstring));
1215
1216 machine_mask = ((acb_mask != 0) && (acb_mask & (ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)));
1217 user_mask = ((acb_mask != 0) && (acb_mask & ACB_NORMAL));
1218
1219 if (machine_mask) {
1220 pstrcpy(suffix, lp_ldap_machine_suffix());
1221 } else if (user_mask) {
1222 pstrcpy(suffix, lp_ldap_user_suffix());
1223 } else {
1224 pstrcpy(suffix, lp_ldap_suffix());
1225 }
1226
1227 DEBUG(10,("ldapsam_setsampwent: LDAP Query for acb_mask 0x%x will use suffix %s\n",
1228 acb_mask, suffix));
1229
1230 attr_list = get_userattr_list(ldap_state->schema_ver);
1231 rc = smbldap_search(ldap_state->smbldap_state, suffix, LDAP_SCOPE_SUBTREE, filter,
1232 attr_list, 0, &ldap_state->result);
1233 free_attr_list( attr_list );
1234
1235 if (rc != LDAP_SUCCESS) {
1236 DEBUG(0, ("ldapsam_setsampwent: LDAP search failed: %s\n", ldap_err2string(rc)));
1237 DEBUG(3, ("ldapsam_setsampwent: Query was: %s, %s\n", suffix, filter));
1238 ldap_msgfree(ldap_state->result);
1239 ldap_state->result = NULL;
1240 return NT_STATUS_UNSUCCESSFUL;
1241 }
1242
1243 DEBUG(2, ("ldapsam_setsampwent: %d entries in the base %s\n",
1244 ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
1245 ldap_state->result), suffix));
1246
1247 ldap_state->entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
1248 ldap_state->result);
1249 ldap_state->index = 0;
1250
1251 return NT_STATUS_OK;
1252 }
1253
1254 /**********************************************************************
1255 End enumeration of the LDAP password list.
1256 *********************************************************************/
1257
1258 static void ldapsam_endsampwent(struct pdb_methods *my_methods)
1259 {
1260 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1261 if (ldap_state->result) {
1262 ldap_msgfree(ldap_state->result);
1263 ldap_state->result = NULL;
1264 }
1265 }
1266
1267 /**********************************************************************
1268 Get the next entry in the LDAP password database.
1269 *********************************************************************/
1270
1271 static NTSTATUS ldapsam_getsampwent(struct pdb_methods *my_methods, SAM_ACCOUNT *user)
1272 {
1273 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1274 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1275 BOOL bret = False;
1276
1277 while (!bret) {
1278 if (!ldap_state->entry)
1279 return ret;
1280
1281 ldap_state->index++;
1282 bret = init_sam_from_ldap(ldap_state, user, ldap_state->entry);
1283
1284 ldap_state->entry = ldap_next_entry(ldap_state->smbldap_state->ldap_struct,
1285 ldap_state->entry);
1286 }
1287
1288 return NT_STATUS_OK;
1289 }
1290
1291 static void append_attr(const char ***attr_list, const char *new_attr)
1292 {
1293 int i;
1294
1295 if (new_attr == NULL) {
1296 return;
1297 }
1298
1299 for (i=0; (*attr_list)[i] != NULL; i++) {
1300 ;
1301 }
1302
1303 (*attr_list) = SMB_REALLOC_ARRAY((*attr_list), const char *, i+2);
1304 SMB_ASSERT((*attr_list) != NULL);
1305 (*attr_list)[i] = SMB_STRDUP(new_attr);
1306 (*attr_list)[i+1] = NULL;
1307 }
1308
1309 /**********************************************************************
1310 Get SAM_ACCOUNT entry from LDAP by username.
1311 *********************************************************************/
1312
1313 static NTSTATUS ldapsam_getsampwnam(struct pdb_methods *my_methods, SAM_ACCOUNT *user, const char *sname)
1314 {
1315 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1316 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1317 LDAPMessage *result = NULL;
1318 LDAPMessage *entry = NULL;
1319 int count;
1320 const char ** attr_list;
1321 int rc;
1322
1323 attr_list = get_userattr_list( ldap_state->schema_ver );
1324 append_attr(&attr_list, get_userattr_key2string(ldap_state->schema_ver,LDAP_ATTR_MOD_TIMESTAMP));
1325 rc = ldapsam_search_suffix_by_name(ldap_state, sname, &result, attr_list);
1326 free_attr_list( attr_list );
1327
1328 if ( rc != LDAP_SUCCESS )
1329 return NT_STATUS_NO_SUCH_USER;
1330
1331 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
1332
1333 if (count < 1) {
1334 DEBUG(4, ("ldapsam_getsampwnam: Unable to locate user [%s] count=%d\n", sname, count));
1335 ldap_msgfree(result);
1336 return NT_STATUS_NO_SUCH_USER;
1337 } else if (count > 1) {
1338 DEBUG(1, ("ldapsam_getsampwnam: Duplicate entries for this user [%s] Failing. count=%d\n", sname, count));
1339 ldap_msgfree(result);
1340 return NT_STATUS_NO_SUCH_USER;
1341 }
1342
1343 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1344 if (entry) {
1345 if (!init_sam_from_ldap(ldap_state, user, entry)) {
1346 DEBUG(1,("ldapsam_getsampwnam: init_sam_from_ldap failed for user '%s'!\n", sname));
1347 ldap_msgfree(result);
1348 return NT_STATUS_NO_SUCH_USER;
1349 }
1350 pdb_set_backend_private_data(user, result,
1351 private_data_free_fn,
1352 my_methods, PDB_CHANGED);
1353 ret = NT_STATUS_OK;
1354 } else {
1355 ldap_msgfree(result);
1356 }
1357 return ret;
1358 }
1359
1360 static int ldapsam_get_ldap_user_by_sid(struct ldapsam_privates *ldap_state,
1361 const DOM_SID *sid, LDAPMessage **result)
1362 {
1363 int rc = -1;
1364 const char ** attr_list;
1365 uint32 rid;
1366
1367 switch ( ldap_state->schema_ver ) {
1368 case SCHEMAVER_SAMBASAMACCOUNT:
1369 attr_list = get_userattr_list(ldap_state->schema_ver);
1370 append_attr(&attr_list, get_userattr_key2string(ldap_state->schema_ver,LDAP_ATTR_MOD_TIMESTAMP));
1371 rc = ldapsam_search_suffix_by_sid(ldap_state, sid, result, attr_list);
1372 free_attr_list( attr_list );
1373
1374 if ( rc != LDAP_SUCCESS )
1375 return rc;
1376 break;
1377
1378 case SCHEMAVER_SAMBAACCOUNT:
1379 if (!sid_peek_check_rid(&ldap_state->domain_sid, sid, &rid)) {
1380 return rc;
1381 }
1382
1383 attr_list = get_userattr_list(ldap_state->schema_ver);
1384 rc = ldapsam_search_suffix_by_rid(ldap_state, rid, result, attr_list );
1385 free_attr_list( attr_list );
1386
1387 if ( rc != LDAP_SUCCESS )
1388 return rc;
1389 break;
1390 }
1391 return rc;
1392 }
1393
1394 /**********************************************************************
1395 Get SAM_ACCOUNT entry from LDAP by SID.
1396 *********************************************************************/
1397
1398 static NTSTATUS ldapsam_getsampwsid(struct pdb_methods *my_methods, SAM_ACCOUNT * user, const DOM_SID *sid)
1399 {
1400 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1401 LDAPMessage *result = NULL;
1402 LDAPMessage *entry = NULL;
1403 int count;
1404 int rc;
1405 fstring sid_string;
1406
1407 rc = ldapsam_get_ldap_user_by_sid(ldap_state,
1408 sid, &result);
1409 if (rc != LDAP_SUCCESS)
1410 return NT_STATUS_NO_SUCH_USER;
1411
1412 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
1413
1414 if (count < 1) {
1415 DEBUG(4, ("ldapsam_getsampwsid: Unable to locate SID [%s] count=%d\n", sid_to_string(sid_string, sid),
1416 count));
1417 ldap_msgfree(result);
1418 return NT_STATUS_NO_SUCH_USER;
1419 } else if (count > 1) {
1420 DEBUG(1, ("ldapsam_getsampwsid: More than one user with SID [%s]. Failing. count=%d\n", sid_to_string(sid_string, sid),
1421 count));
1422 ldap_msgfree(result);
1423 return NT_STATUS_NO_SUCH_USER;
1424 }
1425
1426 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1427 if (!entry) {
1428 ldap_msgfree(result);
1429 return NT_STATUS_NO_SUCH_USER;
1430 }
1431
1432 if (!init_sam_from_ldap(ldap_state, user, entry)) {
1433 DEBUG(1,("ldapsam_getsampwsid: init_sam_from_ldap failed!\n"));
1434 ldap_msgfree(result);
1435 return NT_STATUS_NO_SUCH_USER;
1436 }
1437
1438 pdb_set_backend_private_data(user, result,
1439 private_data_free_fn,
1440 my_methods, PDB_CHANGED);
1441 return NT_STATUS_OK;
1442 }
1443
1444 static BOOL ldapsam_can_pwchange_exop(struct smbldap_state *ldap_state)
1445 {
1446 return smbldap_has_extension(ldap_state, LDAP_EXOP_MODIFY_PASSWD);
1447 }
1448
1449 /********************************************************************
1450 Do the actual modification - also change a plaintext passord if
1451 it it set.
1452 **********************************************************************/
1453
1454 static NTSTATUS ldapsam_modify_entry(struct pdb_methods *my_methods,
1455 SAM_ACCOUNT *newpwd, char *dn,
1456 LDAPMod **mods, int ldap_op,
1457 BOOL (*need_update)(const SAM_ACCOUNT *, enum pdb_elements))
1458 {
1459 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1460 int rc;
1461
1462 if (!my_methods || !newpwd || !dn) {
1463 return NT_STATUS_INVALID_PARAMETER;
1464 }
1465
1466 if (!mods) {
1467 DEBUG(5,("ldapsam_modify_entry: mods is empty: nothing to modify\n"));
1468 /* may be password change below however */
1469 } else {
1470 switch(ldap_op) {
1471 case LDAP_MOD_ADD:
1472 smbldap_set_mod(&mods, LDAP_MOD_ADD,
1473 "objectclass",
1474 LDAP_OBJ_ACCOUNT);
1475 rc = smbldap_add(ldap_state->smbldap_state,
1476 dn, mods);
1477 break;
1478 case LDAP_MOD_REPLACE:
1479 rc = smbldap_modify(ldap_state->smbldap_state,
1480 dn ,mods);
1481 break;
1482 default:
1483 DEBUG(0,("ldapsam_modify_entry: Wrong LDAP operation type: %d!\n",
1484 ldap_op));
1485 return NT_STATUS_INVALID_PARAMETER;
1486 }
1487
1488 if (rc!=LDAP_SUCCESS) {
1489 char *ld_error = NULL;
1490 ldap_get_option(ldap_state->smbldap_state->ldap_struct, LDAP_OPT_ERROR_STRING,
1491 &ld_error);
1492 DEBUG(1, ("ldapsam_modify_entry: Failed to %s user dn= %s with: %s\n\t%s\n",
1493 ldap_op == LDAP_MOD_ADD ? "add" : "modify",
1494 dn, ldap_err2string(rc),
1495 ld_error?ld_error:"unknown"));
1496 SAFE_FREE(ld_error);
1497 return NT_STATUS_UNSUCCESSFUL;
1498 }
1499 }
1500
1501 if (!(pdb_get_acct_ctrl(newpwd)&(ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)) &&
1502 (lp_ldap_passwd_sync() != LDAP_PASSWD_SYNC_OFF) &&
1503 need_update(newpwd, PDB_PLAINTEXT_PW) &&
1504 (pdb_get_plaintext_passwd(newpwd)!=NULL)) {
1505 BerElement *ber;
1506 struct berval *bv;
1507 char *retoid = NULL;
1508 struct berval *retdata = NULL;
1509 char *utf8_password;
1510 char *utf8_dn;
1511
1512 if (!ldap_state->is_nds_ldap) {
1513 if (!ldapsam_can_pwchange_exop(ldap_state->smbldap_state)) {
1514 DEBUG(2, ("ldap password change requested, but LDAP "
1515 "server does not support it -- ignoring\n"));
1516 return NT_STATUS_OK;
1517 }
1518 }
1519
1520 if (push_utf8_allocate(&utf8_password, pdb_get_plaintext_passwd(newpwd)) == (size_t)-1) {
1521 return NT_STATUS_NO_MEMORY;
1522 }
1523
1524 if (push_utf8_allocate(&utf8_dn, dn) == (size_t)-1) {
1525 return NT_STATUS_NO_MEMORY;
1526 }
1527
1528 if ((ber = ber_alloc_t(LBER_USE_DER))==NULL) {
1529 DEBUG(0,("ber_alloc_t returns NULL\n"));
1530 SAFE_FREE(utf8_password);
1531 return NT_STATUS_UNSUCCESSFUL;
1532 }
1533
1534 ber_printf (ber, "{");
1535 ber_printf (ber, "ts", LDAP_TAG_EXOP_MODIFY_PASSWD_ID, utf8_dn);
1536 ber_printf (ber, "ts", LDAP_TAG_EXOP_MODIFY_PASSWD_NEW, utf8_password);
1537 ber_printf (ber, "N}");
1538
1539 if ((rc = ber_flatten (ber, &bv))<0) {
1540 DEBUG(0,("ldapsam_modify_entry: ber_flatten returns a value <0\n"));
1541 ber_free(ber,1);
1542 SAFE_FREE(utf8_dn);
1543 SAFE_FREE(utf8_password);
1544 return NT_STATUS_UNSUCCESSFUL;
1545 }
1546
1547 SAFE_FREE(utf8_dn);
1548 SAFE_FREE(utf8_password);
1549 ber_free(ber, 1);
1550
1551 if (!ldap_state->is_nds_ldap) {
1552 rc = smbldap_extended_operation(ldap_state->smbldap_state,
1553 LDAP_EXOP_MODIFY_PASSWD,
1554 bv, NULL, NULL, &retoid,
1555 &retdata);
1556 } else {
1557 rc = pdb_nds_set_password(ldap_state->smbldap_state, dn,
1558 pdb_get_plaintext_passwd(newpwd));
1559 }
1560 if (rc != LDAP_SUCCESS) {
1561 char *ld_error = NULL;
1562
1563 if (rc == LDAP_OBJECT_CLASS_VIOLATION) {
1564 DEBUG(3, ("Could not set userPassword "
1565 "attribute due to an objectClass "
1566 "violation -- ignoring\n"));
1567 ber_bvfree(bv);
1568 return NT_STATUS_OK;
1569 }
1570
1571 ldap_get_option(ldap_state->smbldap_state->ldap_struct, LDAP_OPT_ERROR_STRING,
1572 &ld_error);
1573 DEBUG(0,("ldapsam_modify_entry: LDAP Password could not be changed for user %s: %s\n\t%s\n",
1574 pdb_get_username(newpwd), ldap_err2string(rc), ld_error?ld_error:"unknown"));
1575 SAFE_FREE(ld_error);
1576 ber_bvfree(bv);
1577 return NT_STATUS_UNSUCCESSFUL;
1578 } else {
1579 DEBUG(3,("ldapsam_modify_entry: LDAP Password changed for user %s\n",pdb_get_username(newpwd)));
1580 #ifdef DEBUG_PASSWORD
1581 DEBUG(100,("ldapsam_modify_entry: LDAP Password changed to %s\n",pdb_get_plaintext_passwd(newpwd)));
1582 #endif
1583 if (retdata)
1584 ber_bvfree(retdata);
1585 if (retoid)
1586 ber_memfree(retoid);
1587 }
1588 ber_bvfree(bv);
1589 }
1590 return NT_STATUS_OK;
1591 }
1592
1593 /**********************************************************************
1594 Delete entry from LDAP for username.
1595 *********************************************************************/
1596
1597 static NTSTATUS ldapsam_delete_sam_account(struct pdb_methods *my_methods, SAM_ACCOUNT * sam_acct)
1598 {
1599 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1600 const char *sname;
1601 int rc;
1602 LDAPMessage *result = NULL;
1603 NTSTATUS ret;
1604 const char **attr_list;
1605 fstring objclass;
1606
1607 if (!sam_acct) {
1608 DEBUG(0, ("ldapsam_delete_sam_account: sam_acct was NULL!\n"));
1609 return NT_STATUS_INVALID_PARAMETER;
1610 }
1611
1612 sname = pdb_get_username(sam_acct);
1613
1614 DEBUG (3, ("ldapsam_delete_sam_account: Deleting user %s from LDAP.\n", sname));
1615
1616 attr_list= get_userattr_delete_list( ldap_state->schema_ver );
1617 rc = ldapsam_search_suffix_by_name(ldap_state, sname, &result, attr_list);
1618
1619 if (rc != LDAP_SUCCESS) {
1620 free_attr_list( attr_list );
1621 return NT_STATUS_NO_SUCH_USER;
1622 }
1623
1624 switch ( ldap_state->schema_ver ) {
1625 case SCHEMAVER_SAMBASAMACCOUNT:
1626 fstrcpy( objclass, LDAP_OBJ_SAMBASAMACCOUNT );
1627 break;
1628
1629 case SCHEMAVER_SAMBAACCOUNT:
1630 fstrcpy( objclass, LDAP_OBJ_SAMBAACCOUNT );
1631 break;
1632 default:
1633 fstrcpy( objclass, "UNKNOWN" );
1634 DEBUG(0,("ldapsam_delete_sam_account: Unknown schema version specified!\n"));
1635 break;
1636 }
1637
1638 ret = ldapsam_delete_entry(ldap_state, result, objclass, attr_list );
1639 ldap_msgfree(result);
1640 free_attr_list( attr_list );
1641
1642 return ret;
1643 }
1644
1645 /**********************************************************************
1646 Helper function to determine for update_sam_account whether
1647 we need LDAP modification.
1648 *********************************************************************/
1649
1650 static BOOL element_is_changed(const SAM_ACCOUNT *sampass,
1651 enum pdb_elements element)
1652 {
1653 return IS_SAM_CHANGED(sampass, element);
1654 }
1655
1656 /**********************************************************************
1657 Update SAM_ACCOUNT.
1658 *********************************************************************/
1659
1660 static NTSTATUS ldapsam_update_sam_account(struct pdb_methods *my_methods, SAM_ACCOUNT * newpwd)
1661 {
1662 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1663 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1664 int rc = 0;
1665 char *dn;
1666 LDAPMessage *result = NULL;
1667 LDAPMessage *entry = NULL;
1668 LDAPMod **mods = NULL;
1669 const char **attr_list;
1670
1671 result = pdb_get_backend_private_data(newpwd, my_methods);
1672 if (!result) {
1673 attr_list = get_userattr_list(ldap_state->schema_ver);
1674 rc = ldapsam_search_suffix_by_name(ldap_state, pdb_get_username(newpwd), &result, attr_list );
1675 free_attr_list( attr_list );
1676 if (rc != LDAP_SUCCESS) {
1677 return NT_STATUS_UNSUCCESSFUL;
1678 }
1679 pdb_set_backend_private_data(newpwd, result, private_data_free_fn, my_methods, PDB_CHANGED);
1680 }
1681
1682 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) == 0) {
1683 DEBUG(0, ("ldapsam_update_sam_account: No user to modify!\n"));
1684 return NT_STATUS_UNSUCCESSFUL;
1685 }
1686
1687 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1688 dn = smbldap_get_dn(ldap_state->smbldap_state->ldap_struct, entry);
1689 if (!dn) {
1690 return NT_STATUS_UNSUCCESSFUL;
1691 }
1692
1693 DEBUG(4, ("ldapsam_update_sam_account: user %s to be modified has dn: %s\n", pdb_get_username(newpwd), dn));
1694
1695 if (!init_ldap_from_sam(ldap_state, entry, &mods, newpwd,
1696 element_is_changed)) {
1697 DEBUG(0, ("ldapsam_update_sam_account: init_ldap_from_sam failed!\n"));
1698 SAFE_FREE(dn);
1699 if (mods != NULL)
1700 ldap_mods_free(mods,True);
1701 return NT_STATUS_UNSUCCESSFUL;
1702 }
1703
1704 if (mods == NULL) {
1705 DEBUG(4,("ldapsam_update_sam_account: mods is empty: nothing to update for user: %s\n",
1706 pdb_get_username(newpwd)));
1707 SAFE_FREE(dn);
1708 return NT_STATUS_OK;
1709 }
1710
1711 ret = ldapsam_modify_entry(my_methods,newpwd,dn,mods,LDAP_MOD_REPLACE, element_is_changed);
1712 ldap_mods_free(mods,True);
1713 SAFE_FREE(dn);
1714
1715 if (!NT_STATUS_IS_OK(ret)) {
1716 char *ld_error = NULL;
1717 ldap_get_option(ldap_state->smbldap_state->ldap_struct, LDAP_OPT_ERROR_STRING,
1718 &ld_error);
1719 DEBUG(0,("ldapsam_update_sam_account: failed to modify user with uid = %s, error: %s (%s)\n",
1720 pdb_get_username(newpwd), ld_error?ld_error:"(unknwon)", ldap_err2string(rc)));
1721 SAFE_FREE(ld_error);
1722 return ret;
1723 }
1724
1725 DEBUG(2, ("ldapsam_update_sam_account: successfully modified uid = %s in the LDAP database\n",
1726 pdb_get_username(newpwd)));
1727 return NT_STATUS_OK;
1728 }
1729
1730 /**********************************************************************
1731 Helper function to determine for update_sam_account whether
1732 we need LDAP modification.
1733 *********************************************************************/
1734
1735 static BOOL element_is_set_or_changed(const SAM_ACCOUNT *sampass,
1736 enum pdb_elements element)
1737 {
1738 return (IS_SAM_SET(sampass, element) ||
1739 IS_SAM_CHANGED(sampass, element));
1740 }
1741
1742 /**********************************************************************
1743 Add SAM_ACCOUNT to LDAP.
1744 *********************************************************************/
1745
1746 static NTSTATUS ldapsam_add_sam_account(struct pdb_methods *my_methods, SAM_ACCOUNT * newpwd)
1747 {
1748 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1749 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1750 int rc;
1751 LDAPMessage *result = NULL;
1752 LDAPMessage *entry = NULL;
1753 pstring dn;
1754 LDAPMod **mods = NULL;
1755 int ldap_op = LDAP_MOD_REPLACE;
1756 uint32 num_result;
1757 const char **attr_list;
1758 char *escape_user;
1759 const char *username = pdb_get_username(newpwd);
1760 const DOM_SID *sid = pdb_get_user_sid(newpwd);
1761 pstring filter;
1762 fstring sid_string;
1763
1764 if (!username || !*username) {
1765 DEBUG(0, ("ldapsam_add_sam_account: Cannot add user without a username!\n"));
1766 return NT_STATUS_INVALID_PARAMETER;
1767 }
1768
1769 /* free this list after the second search or in case we exit on failure */
1770 attr_list = get_userattr_list(ldap_state->schema_ver);
1771
1772 rc = ldapsam_search_suffix_by_name (ldap_state, username, &result, attr_list);
1773
1774 if (rc != LDAP_SUCCESS) {
1775 free_attr_list( attr_list );
1776 return NT_STATUS_UNSUCCESSFUL;
1777 }
1778
1779 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) != 0) {
1780 DEBUG(0,("ldapsam_add_sam_account: User '%s' already in the base, with samba attributes\n",
1781 username));
1782 ldap_msgfree(result);
1783 free_attr_list( attr_list );
1784 return NT_STATUS_UNSUCCESSFUL;
1785 }
1786 ldap_msgfree(result);
1787 result = NULL;
1788
1789 if (element_is_set_or_changed(newpwd, PDB_USERSID)) {
1790 rc = ldapsam_get_ldap_user_by_sid(ldap_state,
1791 sid, &result);
1792 if (rc == LDAP_SUCCESS) {
1793 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) != 0) {
1794 DEBUG(0,("ldapsam_add_sam_account: SID '%s' already in the base, with samba attributes\n",
1795 sid_to_string(sid_string, sid)));
1796 free_attr_list( attr_list );
1797 ldap_msgfree(result);
1798 return NT_STATUS_UNSUCCESSFUL;
1799 }
1800 ldap_msgfree(result);
1801 }
1802 }
1803
1804 /* does the entry already exist but without a samba attributes?
1805 we need to return the samba attributes here */
1806
1807 escape_user = escape_ldap_string_alloc( username );
1808 pstrcpy( filter, lp_ldap_filter() );
1809 all_string_sub( filter, "%u", escape_user, sizeof(filter) );
1810 SAFE_FREE( escape_user );
1811
1812 rc = smbldap_search_suffix(ldap_state->smbldap_state,
1813 filter, attr_list, &result);
1814 if ( rc != LDAP_SUCCESS ) {
1815 free_attr_list( attr_list );
1816 return NT_STATUS_UNSUCCESSFUL;
1817 }
1818
1819 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
1820
1821 if (num_result > 1) {
1822 DEBUG (0, ("ldapsam_add_sam_account: More than one user with that uid exists: bailing out!\n"));
1823 free_attr_list( attr_list );
1824 ldap_msgfree(result);
1825 return NT_STATUS_UNSUCCESSFUL;
1826 }
1827
1828 /* Check if we need to update an existing entry */
1829 if (num_result == 1) {
1830 char *tmp;
1831
1832 DEBUG(3,("ldapsam_add_sam_account: User exists without samba attributes: adding them\n"));
1833 ldap_op = LDAP_MOD_REPLACE;
1834 entry = ldap_first_entry (ldap_state->smbldap_state->ldap_struct, result);
1835 tmp = smbldap_get_dn (ldap_state->smbldap_state->ldap_struct, entry);
1836 if (!tmp) {
1837 free_attr_list( attr_list );
1838 ldap_msgfree(result);
1839 return NT_STATUS_UNSUCCESSFUL;
1840 }
1841 slprintf (dn, sizeof (dn) - 1, "%s", tmp);
1842 SAFE_FREE(tmp);
1843
1844 } else if (ldap_state->schema_ver == SCHEMAVER_SAMBASAMACCOUNT) {
1845
1846 /* There might be a SID for this account already - say an idmap entry */
1847
1848 pstr_sprintf(filter, "(&(%s=%s)(|(objectClass=%s)(objectClass=%s)))",
1849 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_SID),
1850 sid_to_string(sid_string, sid),
1851 LDAP_OBJ_IDMAP_ENTRY,
1852 LDAP_OBJ_SID_ENTRY);
1853
1854 /* free old result before doing a new search */
1855 if (result != NULL) {
1856 ldap_msgfree(result);
1857 result = NULL;
1858 }
1859 rc = smbldap_search_suffix(ldap_state->smbldap_state,
1860 filter, attr_list, &result);
1861
1862 if ( rc != LDAP_SUCCESS ) {
1863 free_attr_list( attr_list );
1864 return NT_STATUS_UNSUCCESSFUL;
1865 }
1866
1867 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
1868
1869 if (num_result > 1) {
1870 DEBUG (0, ("ldapsam_add_sam_account: More than one user with that uid exists: bailing out!\n"));
1871 free_attr_list( attr_list );
1872 ldap_msgfree(result);
1873 return NT_STATUS_UNSUCCESSFUL;
1874 }
1875
1876 /* Check if we need to update an existing entry */
1877 if (num_result == 1) {
1878 char *tmp;
1879
1880 DEBUG(3,("ldapsam_add_sam_account: User exists without samba attributes: adding them\n"));
1881 ldap_op = LDAP_MOD_REPLACE;
1882 entry = ldap_first_entry (ldap_state->smbldap_state->ldap_struct, result);
1883 tmp = smbldap_get_dn (ldap_state->smbldap_state->ldap_struct, entry);
1884 if (!tmp) {
1885 free_attr_list( attr_list );
1886 ldap_msgfree(result);
1887 return NT_STATUS_UNSUCCESSFUL;
1888 }
1889 slprintf (dn, sizeof (dn) - 1, "%s", tmp);
1890 SAFE_FREE(tmp);
1891 }
1892 }
1893
1894 free_attr_list( attr_list );
1895
1896 if (num_result == 0) {
1897 /* Check if we need to add an entry */
1898 DEBUG(3,("ldapsam_add_sam_account: Adding new user\n"));
1899 ldap_op = LDAP_MOD_ADD;
1900 if (username[strlen(username)-1] == '$') {
1901 slprintf (dn, sizeof (dn) - 1, "uid=%s,%s", username, lp_ldap_machine_suffix ());
1902 } else {
1903 slprintf (dn, sizeof (dn) - 1, "uid=%s,%s", username, lp_ldap_user_suffix ());
1904 }
1905 }
1906
1907 if (!init_ldap_from_sam(ldap_state, entry, &mods, newpwd,
1908 element_is_set_or_changed)) {
1909 DEBUG(0, ("ldapsam_add_sam_account: init_ldap_from_sam failed!\n"));
1910 ldap_msgfree(result);
1911 if (mods != NULL)
1912 ldap_mods_free(mods,True);
1913 return NT_STATUS_UNSUCCESSFUL;
1914 }
1915
1916 ldap_msgfree(result);
1917
1918 if (mods == NULL) {
1919 DEBUG(0,("ldapsam_add_sam_account: mods is empty: nothing to add for user: %s\n",pdb_get_username(newpwd)));
1920 return NT_STATUS_UNSUCCESSFUL;
1921 }
1922 switch ( ldap_state->schema_ver ) {
1923 case SCHEMAVER_SAMBAACCOUNT:
1924 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_SAMBAACCOUNT);
1925 break;
1926 case SCHEMAVER_SAMBASAMACCOUNT:
1927 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_SAMBASAMACCOUNT);
1928 break;
1929 default:
1930 DEBUG(0,("ldapsam_add_sam_account: invalid schema version specified\n"));
1931 break;
1932 }
1933
1934 ret = ldapsam_modify_entry(my_methods,newpwd,dn,mods,ldap_op, element_is_set_or_changed);
1935 if (!NT_STATUS_IS_OK(ret)) {
1936 DEBUG(0,("ldapsam_add_sam_account: failed to modify/add user with uid = %s (dn = %s)\n",
1937 pdb_get_username(newpwd),dn));
1938 ldap_mods_free(mods, True);
1939 return ret;
1940 }
1941
1942 DEBUG(2,("ldapsam_add_sam_account: added: uid == %s in the LDAP database\n", pdb_get_username(newpwd)));
1943 ldap_mods_free(mods, True);
1944
1945 return NT_STATUS_OK;
1946 }
1947
1948 /**********************************************************************
1949 *********************************************************************/
1950
1951 static int ldapsam_search_one_group (struct ldapsam_privates *ldap_state,
1952 const char *filter,
1953 LDAPMessage ** result)
1954 {
1955 int scope = LDAP_SCOPE_SUBTREE;
1956 int rc;
1957 const char **attr_list;
1958
1959 attr_list = get_attr_list(groupmap_attr_list);
1960 rc = smbldap_search(ldap_state->smbldap_state,
1961 lp_ldap_group_suffix (), scope,
1962 filter, attr_list, 0, result);
1963 free_attr_list( attr_list );
1964
1965 if (rc != LDAP_SUCCESS) {
1966 char *ld_error = NULL;
1967 ldap_get_option(ldap_state->smbldap_state->ldap_struct, LDAP_OPT_ERROR_STRING,
1968 &ld_error);
1969 DEBUG(0, ("ldapsam_search_one_group: "
1970 "Problem during the LDAP search: LDAP error: %s (%s)\n",
1971 ld_error?ld_error:"(unknown)", ldap_err2string(rc)));
1972 DEBUGADD(3, ("ldapsam_search_one_group: Query was: %s, %s\n",
1973 lp_ldap_group_suffix(), filter));
1974 SAFE_FREE(ld_error);
1975 }
1976
1977 return rc;
1978 }
1979
1980 /**********************************************************************
1981 *********************************************************************/
1982
1983 static BOOL init_group_from_ldap(struct ldapsam_privates *ldap_state,
1984 GROUP_MAP *map, LDAPMessage *entry)
1985 {
1986 pstring temp;
1987
1988 if (ldap_state == NULL || map == NULL || entry == NULL ||
1989 ldap_state->smbldap_state->ldap_struct == NULL) {
1990 DEBUG(0, ("init_group_from_ldap: NULL parameters found!\n"));
1991 return False;
1992 }
1993
1994 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
1995 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GIDNUMBER), temp)) {
1996 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
1997 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GIDNUMBER)));
1998 return False;
1999 }
2000 DEBUG(2, ("init_group_from_ldap: Entry found for group: %s\n", temp));
2001
2002 map->gid = (gid_t)atol(temp);
2003
2004 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
2005 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_SID), temp)) {
2006 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2007 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_SID)));
2008 return False;
2009 }
2010
2011 if (!string_to_sid(&map->sid, temp)) {
2012 DEBUG(1, ("SID string [%s] could not be read as a valid SID\n", temp));
2013 return False;
2014 }
2015
2016 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
2017 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_TYPE), temp)) {
2018 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2019 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_TYPE)));
2020 return False;
2021 }
2022 map->sid_name_use = (enum SID_NAME_USE)atol(temp);
2023
2024 if ((map->sid_name_use < SID_NAME_USER) ||
2025 (map->sid_name_use > SID_NAME_UNKNOWN)) {
2026 DEBUG(0, ("init_group_from_ldap: Unknown Group type: %d\n", map->sid_name_use));
2027 return False;
2028 }
2029
2030 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
2031 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_DISPLAY_NAME), temp)) {
2032 temp[0] = '\0';
2033 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
2034 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_CN), temp))
2035 {
2036 DEBUG(0, ("init_group_from_ldap: Attributes cn not found either \
2037 for gidNumber(%lu)\n",(unsigned long)map->gid));
2038 return False;
2039 }
2040 }
2041 fstrcpy(map->nt_name, temp);
2042
2043 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
2044 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_DESC), temp)) {
2045 temp[0] = '\0';
2046 }
2047 fstrcpy(map->comment, temp);
2048
2049 return True;
2050 }
2051
2052 /**********************************************************************
2053 *********************************************************************/
2054
2055 static BOOL init_ldap_from_group(LDAP *ldap_struct,
2056 LDAPMessage *existing,
2057 LDAPMod ***mods,
2058 const GROUP_MAP *map)
2059 {
2060 pstring tmp;
2061
2062 if (mods == NULL || map == NULL) {
2063 DEBUG(0, ("init_ldap_from_group: NULL parameters found!\n"));
2064 return False;
2065 }
2066
2067 *mods = NULL;
2068
2069 sid_to_string(tmp, &map->sid);
2070
2071 smbldap_make_mod(ldap_struct, existing, mods,
2072 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GROUP_SID), tmp);
2073 pstr_sprintf(tmp, "%i", map->sid_name_use);
2074 smbldap_make_mod(ldap_struct, existing, mods,
2075 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GROUP_TYPE), tmp);
2076
2077 smbldap_make_mod(ldap_struct, existing, mods,
2078 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_DISPLAY_NAME), map->nt_name);
2079 smbldap_make_mod(ldap_struct, existing, mods,
2080 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_DESC), map->comment);
2081
2082 return True;
2083 }
2084
2085 /**********************************************************************
2086 *********************************************************************/
2087
2088 static NTSTATUS ldapsam_getgroup(struct pdb_methods *methods,
2089 const char *filter,
2090 GROUP_MAP *map)
2091 {
2092 struct ldapsam_privates *ldap_state =
2093 (struct ldapsam_privates *)methods->private_data;
2094 LDAPMessage *result = NULL;
2095 LDAPMessage *entry = NULL;
2096 int count;
2097
2098 if (ldapsam_search_one_group(ldap_state, filter, &result)
2099 != LDAP_SUCCESS) {
2100 return NT_STATUS_NO_SUCH_GROUP;
2101 }
2102
2103 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
2104
2105 if (count < 1) {
2106 DEBUG(4, ("ldapsam_getgroup: Did not find group\n"));
2107 ldap_msgfree(result);
2108 return NT_STATUS_NO_SUCH_GROUP;
2109 }
2110
2111 if (count > 1) {
2112 DEBUG(1, ("ldapsam_getgroup: Duplicate entries for filter %s: count=%d\n",
2113 filter, count));
2114 ldap_msgfree(result);
2115 return NT_STATUS_NO_SUCH_GROUP;
2116 }
2117
2118 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
2119
2120 if (!entry) {
2121 ldap_msgfree(result);
2122 return NT_STATUS_UNSUCCESSFUL;
2123 }
2124
2125 if (!init_group_from_ldap(ldap_state, map, entry)) {
2126 DEBUG(1, ("ldapsam_getgroup: init_group_from_ldap failed for group filter %s\n",
2127 filter));
2128 ldap_msgfree(result);
2129 return NT_STATUS_NO_SUCH_GROUP;
2130 }
2131
2132 ldap_msgfree(result);
2133 return NT_STATUS_OK;
2134 }
2135
2136 /**********************************************************************
2137 *********************************************************************/
2138
2139 static NTSTATUS ldapsam_getgrsid(struct pdb_methods *methods, GROUP_MAP *map,
2140 DOM_SID sid)
2141 {
2142 pstring filter;
2143
2144 pstr_sprintf(filter, "(&(objectClass=%s)(%s=%s))",
2145 LDAP_OBJ_GROUPMAP,
2146 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GROUP_SID),
2147 sid_string_static(&sid));
2148
2149 return ldapsam_getgroup(methods, filter, map);
2150 }
2151
2152 /**********************************************************************
2153 *********************************************************************/
2154
2155 static NTSTATUS ldapsam_getgrgid(struct pdb_methods *methods, GROUP_MAP *map,
2156 gid_t gid)
2157 {
2158 pstring filter;
2159
2160 pstr_sprintf(filter, "(&(objectClass=%s)(%s=%d))",
2161 LDAP_OBJ_GROUPMAP,
2162 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GIDNUMBER),
2163 gid);
2164
2165 return ldapsam_getgroup(methods, filter, map);
2166 }
2167
2168 /**********************************************************************
2169 *********************************************************************/
2170
2171 static NTSTATUS ldapsam_getgrnam(struct pdb_methods *methods, GROUP_MAP *map,
2172 const char *name)
2173 {
2174 pstring filter;
2175 char *escape_name = escape_ldap_string_alloc(name);
2176
2177 if (!escape_name) {
2178 return NT_STATUS_NO_MEMORY;
2179 }
2180
2181 pstr_sprintf(filter, "(&(objectClass=%s)(|(%s=%s)(%s=%s)))",
2182 LDAP_OBJ_GROUPMAP,
2183 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_DISPLAY_NAME), escape_name,
2184 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_CN), escape_name);
2185
2186 SAFE_FREE(escape_name);
2187
2188 return ldapsam_getgroup(methods, filter, map);
2189 }
2190
2191 static void add_rid_to_array_unique(TALLOC_CTX *mem_ctx,
2192 uint32 rid, uint32 **rids, int *num)
2193 {
2194 int i;
2195
2196 for (i=0; i<*num; i++) {
2197 if ((*rids)[i] == rid)
2198 return;
2199 }
2200
2201 *rids = TALLOC_REALLOC_ARRAY(mem_ctx, *rids, uint32, *num+1);
2202
2203 if (*rids == NULL)
2204 return;
2205
2206 (*rids)[*num] = rid;
2207 *num += 1;
2208 }
2209
2210 static NTSTATUS ldapsam_enum_group_members(struct pdb_methods *methods,
2211 TALLOC_CTX *mem_ctx,
2212 const DOM_SID *group,
2213 uint32 **member_rids,
2214 int *num_members)
2215 {
2216 struct ldapsam_privates *ldap_state =
2217 (struct ldapsam_privates *)methods->private_data;
2218 struct smbldap_state *conn = ldap_state->smbldap_state;
2219 pstring filter;
2220 int rc, count;
2221 LDAPMessage *msg = NULL;
2222 LDAPMessage *entry;
2223 char **values = NULL;
2224 char **memberuid;
2225 char *sid_filter = NULL;
2226 char *tmp;
2227 NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
2228
2229 if (!lp_parm_bool(-1, "ldapsam", "trusted", False))
2230 return pdb_default_enum_group_members(methods, mem_ctx, group,
2231 member_rids,
2232 num_members);
2233
2234 *member_rids = NULL;
2235 *num_members = 0;
2236
2237 pstr_sprintf(filter,
2238 "(&(objectClass=sambaSamAccount)"
2239 "(sambaPrimaryGroupSid=%s))",
2240 sid_string_static(group));
2241
2242 {
2243 const char *attrs[] = { "sambaSID", NULL };
2244 rc = smbldap_search(conn, lp_ldap_user_suffix(),
2245 LDAP_SCOPE_SUBTREE, filter, attrs, 0,
2246 &msg);
2247 }
2248
2249 if (rc != LDAP_SUCCESS)
2250 goto done;
2251
2252 for (entry = ldap_first_entry(conn->ldap_struct, msg);
2253 entry != NULL;
2254 entry = ldap_next_entry(conn->ldap_struct, entry))
2255 {
2256 fstring str;
2257 DOM_SID sid;
2258 uint32 rid;
2259
2260 if (!smbldap_get_single_attribute(conn->ldap_struct,
2261 entry, "sambaSID",
2262 str, sizeof(str)-1))
2263 continue;
2264
2265 if (!string_to_sid(&sid, str))
2266 goto done;
2267
2268 if (!sid_check_is_in_our_domain(&sid)) {
2269 DEBUG(1, ("Inconsistent SAM -- group member uid not "
2270 "in our domain\n"));
2271 continue;
2272 }
2273
2274 sid_peek_rid(&sid, &rid);
2275
2276 add_rid_to_array_unique(mem_ctx, rid, member_rids,
2277 num_members);
2278 }
2279
2280 if (msg != NULL)
2281 ldap_msgfree(msg);
2282
2283 pstr_sprintf(filter,
2284 "(&(objectClass=sambaGroupMapping)"
2285 "(objectClass=posixGroup)"
2286 "(sambaSID=%s))",
2287 sid_string_static(group));
2288
2289 {
2290 const char *attrs[] = { "memberUid", NULL };
2291 rc = smbldap_search(conn, lp_ldap_group_suffix(),
2292 LDAP_SCOPE_SUBTREE, filter, attrs, 0,
2293 &msg);
2294 }
2295
2296 if (rc != LDAP_SUCCESS)
2297 goto done;
2298
2299 count = ldap_count_entries(conn->ldap_struct, msg);
2300
2301 if (count > 1) {
2302 DEBUG(1, ("Found more than one groupmap entry for %s\n",
2303 sid_string_static(group)));
2304 goto done;
2305 }
2306
2307 if (count == 0) {
2308 result = NT_STATUS_OK;
2309 goto done;
2310 }
2311
2312 entry = ldap_first_entry(conn->ldap_struct, msg);
2313 if (entry == NULL)
2314 goto done;
2315
2316 values = ldap_get_values(conn->ldap_struct, msg, "memberUid");
2317 if (values == NULL) {
2318 result = NT_STATUS_OK;
2319 goto done;
2320 }
2321
2322 sid_filter = strdup("(&(objectClass=sambaSamAccount)(|");
2323 if (sid_filter == NULL) {
2324 result = NT_STATUS_NO_MEMORY;
2325 goto done;
2326 }
2327
2328 for (memberuid = values; *memberuid != NULL; memberuid += 1) {
2329 tmp = sid_filter;
2330 asprintf(&sid_filter, "%s(uid=%s)", tmp, *memberuid);
2331 free(tmp);
2332 if (sid_filter == NULL) {
2333 result = NT_STATUS_NO_MEMORY;
2334 goto done;
2335 }
2336 }
2337
2338 tmp = sid_filter;
2339 asprintf(&sid_filter, "%s))", sid_filter);
2340 free(tmp);
2341 if (sid_filter == NULL) {
2342 result = NT_STATUS_NO_MEMORY;
2343 goto done;
2344 }
2345
2346 {
2347 const char *attrs[] = { "sambaSID", NULL };
2348 rc = smbldap_search(conn, lp_ldap_user_suffix(),
2349 LDAP_SCOPE_SUBTREE, sid_filter, attrs, 0,
2350 &msg);
2351 }
2352
2353 if (rc != LDAP_SUCCESS)
2354 goto done;
2355
2356 for (entry = ldap_first_entry(conn->ldap_struct, msg);
2357 entry != NULL;
2358 entry = ldap_next_entry(conn->ldap_struct, entry))
2359 {
2360 fstring str;
2361 DOM_SID sid;
2362 uint32 rid;
2363
2364 if (!smbldap_get_single_attribute(conn->ldap_struct,
2365 entry, "sambaSID",
2366 str, sizeof(str)-1))
2367 continue;
2368
2369 if (!string_to_sid(&sid, str))
2370 goto done;
2371
2372 if (!sid_check_is_in_our_domain(&sid)) {
2373 DEBUG(1, ("Inconsistent SAM -- group member uid not "
2374 "in our domain\n"));
2375 continue;
2376 }
2377
2378 sid_peek_rid(&sid, &rid);
2379
2380 add_rid_to_array_unique(mem_ctx, rid, member_rids,
2381 num_members);
2382 }
2383
2384 result = NT_STATUS_OK;
2385
2386 done:
2387 SAFE_FREE(sid_filter);
2388
2389 if (values != NULL)
2390 ldap_value_free(values);
2391
2392 if (msg != NULL)
2393 ldap_msgfree(msg);
2394
2395 return result;
2396 }
2397
2398 static NTSTATUS ldapsam_enum_group_memberships(struct pdb_methods *methods,
2399 const char *username,
2400 gid_t primary_gid,
2401 DOM_SID **sids, gid_t **gids,
2402 int *num_groups)
2403 {
2404 struct ldapsam_privates *ldap_state =
2405 (struct ldapsam_privates *)methods->private_data;
2406 struct smbldap_state *conn = ldap_state->smbldap_state;
2407 pstring filter;
2408 const char *attrs[] = { "gidNumber", "sambaSID", NULL };
2409 char *escape_name;
2410 int rc;
2411 LDAPMessage *msg = NULL;
2412 LDAPMessage *entry;
2413 NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
2414 int num_sids, num_gids;
2415 extern DOM_SID global_sid_NULL;
2416
2417 if (!lp_parm_bool(-1, "ldapsam", "trusted", False))
2418 return pdb_default_enum_group_memberships(methods, username,
2419 primary_gid, sids,
2420 gids, num_groups);
2421
2422 *sids = NULL;
2423 num_sids = 0;
2424
2425 escape_name = escape_ldap_string_alloc(username);
2426
2427 if (escape_name == NULL)
2428 return NT_STATUS_NO_MEMORY;
2429
2430 pstr_sprintf(filter, "(&(objectClass=posixGroup)"
2431 "(|(memberUid=%s)(gidNumber=%d)))",
2432 username, primary_gid);
2433
2434 rc = smbldap_search(conn, lp_ldap_group_suffix(),
2435 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &msg);
2436
2437 if (rc != LDAP_SUCCESS)
2438 goto done;
2439
2440 num_gids = 0;
2441 *gids = NULL;
2442
2443 num_sids = 0;
2444 *sids = NULL;
2445
2446 /* We need to add the primary group as the first gid/sid */
2447
2448 add_gid_to_array_unique(primary_gid, gids, &num_gids);
2449
2450 /* This sid will be replaced later */
2451
2452 add_sid_to_array_unique(&global_sid_NULL, sids, &num_sids);
2453
2454 for (entry = ldap_first_entry(conn->ldap_struct, msg);
2455 entry != NULL;
2456 entry = ldap_next_entry(conn->ldap_struct, entry))
2457 {
2458 fstring str;
2459 DOM_SID sid;
2460 gid_t gid;
2461 char *end;
2462
2463 if (!smbldap_get_single_attribute(conn->ldap_struct,
2464 entry, "sambaSID",
2465 str, sizeof(str)-1))
2466 continue;
2467
2468 if (!string_to_sid(&sid, str))
2469 goto done;
2470
2471 if (!smbldap_get_single_attribute(conn->ldap_struct,
2472 entry, "gidNumber",
2473 str, sizeof(str)-1))
2474 continue;
2475
2476 gid = strtoul(str, &end, 10);
2477
2478 if (PTR_DIFF(end, str) != strlen(str))
2479 goto done;
2480
2481 if (gid == primary_gid) {
2482 sid_copy(&(*sids)[0], &sid);
2483 } else {
2484 add_gid_to_array_unique(gid, gids, &num_gids);
2485 add_sid_to_array_unique(&sid, sids, &num_sids);
2486 }
2487 }
2488
2489 if (sid_compare(&global_sid_NULL, &(*sids)[0]) == 0) {
2490 DEBUG(3, ("primary group of [%s] not found\n", username));
2491 goto done;
2492 }
2493
2494 *num_groups = num_sids;
2495
2496 result = NT_STATUS_OK;
2497
2498 done:
2499
2500 SAFE_FREE(escape_name);
2501 if (msg != NULL)
2502 ldap_msgfree(msg);
2503
2504 return result;
2505 }
2506
2507 /**********************************************************************
2508 *********************************************************************/
2509
2510 static int ldapsam_search_one_group_by_gid(struct ldapsam_privates *ldap_state,
2511 gid_t gid,
2512 LDAPMessage **result)
2513 {
2514 pstring filter;
2515
2516 pstr_sprintf(filter, "(&(|(objectClass=%s)(objectclass=%s))(%s=%d))",
2517 LDAP_OBJ_POSIXGROUP, LDAP_OBJ_IDMAP_ENTRY,
2518 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GIDNUMBER),
2519 gid);
2520
2521 return ldapsam_search_one_group(ldap_state, filter, result);
2522 }
2523
2524 /**********************************************************************
2525 *********************************************************************/
2526
2527 static NTSTATUS ldapsam_add_group_mapping_entry(struct pdb_methods *methods,
2528 GROUP_MAP *map)
2529 {
2530 struct ldapsam_privates *ldap_state =
2531 (struct ldapsam_privates *)methods->private_data;
2532 LDAPMessage *result = NULL;
2533 LDAPMod **mods = NULL;
2534 int count;
2535
2536 char *tmp;
2537 pstring dn;
2538 LDAPMessage *entry;
2539
2540 GROUP_MAP dummy;
2541
2542 int rc;
2543
2544 if (NT_STATUS_IS_OK(ldapsam_getgrgid(methods, &dummy,
2545 map->gid))) {
2546 DEBUG(0, ("ldapsam_add_group_mapping_entry: Group %ld already exists in LDAP\n", (unsigned long)map->gid));
2547 return NT_STATUS_UNSUCCESSFUL;
2548 }
2549
2550 rc = ldapsam_search_one_group_by_gid(ldap_state, map->gid, &result);
2551 if (rc != LDAP_SUCCESS) {
2552 ldap_msgfree(result);
2553 return NT_STATUS_UNSUCCESSFUL;
2554 }
2555
2556 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
2557
2558 if ( count == 0 ) {
2559 /* There's no posixGroup account, let's try to find an
2560 * appropriate idmap entry for aliases */
2561
2562 pstring suffix;
2563 pstring filter;
2564 const char **attr_list;
2565
2566 ldap_msgfree(result);
2567
2568 pstrcpy( suffix, lp_ldap_idmap_suffix() );
2569 pstr_sprintf(filter, "(&(objectClass=%s)(%s=%d))",
2570 LDAP_OBJ_IDMAP_ENTRY, LDAP_ATTRIBUTE_GIDNUMBER,
2571 map->gid);
2572
2573 attr_list = get_attr_list( sidmap_attr_list );
2574 rc = smbldap_search(ldap_state->smbldap_state, suffix,
2575 LDAP_SCOPE_SUBTREE, filter, attr_list,
2576 0, &result);
2577
2578 free_attr_list(attr_list);
2579
2580 if (rc != LDAP_SUCCESS) {
2581 DEBUG(3,("Failure looking up entry (%s)\n",
2582 ldap_err2string(rc) ));
2583 ldap_msgfree(result);
2584 return NT_STATUS_UNSUCCESSFUL;
2585 }
2586 }
2587
2588 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
2589 if ( count == 0 ) {
2590 ldap_msgfree(result);
2591 return NT_STATUS_UNSUCCESSFUL;
2592 }
2593
2594 if (count > 1) {
2595 DEBUG(2, ("ldapsam_add_group_mapping_entry: Group %lu must exist exactly once in LDAP\n",
2596 (unsigned long)map->gid));
2597 ldap_msgfree(result);
2598 return NT_STATUS_UNSUCCESSFUL;
2599 }
2600
2601 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
2602 tmp = smbldap_get_dn(ldap_state->smbldap_state->ldap_struct, entry);
2603 if (!tmp) {
2604 ldap_msgfree(result);
2605 return NT_STATUS_UNSUCCESSFUL;
2606 }
2607 pstrcpy(dn, tmp);
2608 SAFE_FREE(tmp);
2609
2610 if (!init_ldap_from_group(ldap_state->smbldap_state->ldap_struct,
2611 result, &mods, map)) {
2612 DEBUG(0, ("ldapsam_add_group_mapping_entry: init_ldap_from_group failed!\n"));
2613 ldap_mods_free(mods, True);
2614 ldap_msgfree(result);
2615 return NT_STATUS_UNSUCCESSFUL;
2616 }
2617
2618 ldap_msgfree(result);
2619
2620 if (mods == NULL) {
2621 DEBUG(0, ("ldapsam_add_group_mapping_entry: mods is empty\n"));
2622 return NT_STATUS_UNSUCCESSFUL;
2623 }
2624
2625 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_GROUPMAP );
2626
2627 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
2628 ldap_mods_free(mods, True);
2629
2630 if (rc != LDAP_SUCCESS) {
2631 char *ld_error = NULL;
2632 ldap_get_option(ldap_state->smbldap_state->ldap_struct, LDAP_OPT_ERROR_STRING,
2633 &ld_error);
2634 DEBUG(0, ("ldapsam_add_group_mapping_entry: failed to add group %lu error: %s (%s)\n", (unsigned long)map->gid,
2635 ld_error ? ld_error : "(unknown)", ldap_err2string(rc)));
2636 SAFE_FREE(ld_error);
2637 return NT_STATUS_UNSUCCESSFUL;
2638 }
2639
2640 DEBUG(2, ("ldapsam_add_group_mapping_entry: successfully modified group %lu in LDAP\n", (unsigned long)map->gid));
2641 return NT_STATUS_OK;
2642 }
2643
2644 /**********************************************************************
2645 *********************************************************************/
2646
2647 static NTSTATUS ldapsam_update_group_mapping_entry(struct pdb_methods *methods,
2648 GROUP_MAP *map)
2649 {
2650 struct ldapsam_privates *ldap_state =
2651 (struct ldapsam_privates *)methods->private_data;
2652 int rc;
2653 char *dn = NULL;
2654 LDAPMessage *result = NULL;
2655 LDAPMessage *entry = NULL;
2656 LDAPMod **mods = NULL;
2657
2658 rc = ldapsam_search_one_group_by_gid(ldap_state, map->gid, &result);
2659
2660 if (rc != LDAP_SUCCESS) {
2661 return NT_STATUS_UNSUCCESSFUL;
2662 }
2663
2664 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) == 0) {
2665 DEBUG(0, ("ldapsam_update_group_mapping_entry: No group to modify!\n"));
2666 ldap_msgfree(result);
2667 return NT_STATUS_UNSUCCESSFUL;
2668 }
2669
2670 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
2671
2672 if (!init_ldap_from_group(ldap_state->smbldap_state->ldap_struct,
2673 result, &mods, map)) {
2674 DEBUG(0, ("ldapsam_update_group_mapping_entry: init_ldap_from_group failed\n"));
2675 ldap_msgfree(result);
2676 if (mods != NULL)
2677 ldap_mods_free(mods,True);
2678 return NT_STATUS_UNSUCCESSFUL;
2679 }
2680
2681 if (mods == NULL) {
2682 DEBUG(4, ("ldapsam_update_group_mapping_entry: mods is empty: nothing to do\n"));
2683 ldap_msgfree(result);
2684 return NT_STATUS_OK;
2685 }
2686
2687 dn = smbldap_get_dn(ldap_state->smbldap_state->ldap_struct, entry);
2688 if (!dn) {
2689 ldap_msgfree(result);
2690 return NT_STATUS_UNSUCCESSFUL;
2691 }
2692 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
2693 SAFE_FREE(dn);
2694
2695 ldap_mods_free(mods, True);
2696 ldap_msgfree(result);
2697
2698 if (rc != LDAP_SUCCESS) {
2699 char *ld_error = NULL;
2700 ldap_get_option(ldap_state->smbldap_state->ldap_struct, LDAP_OPT_ERROR_STRING,
2701 &ld_error);
2702 DEBUG(0, ("ldapsam_update_group_mapping_entry: failed to modify group %lu error: %s (%s)\n", (unsigned long)map->gid,
2703 ld_error ? ld_error : "(unknown)", ldap_err2string(rc)));
2704 SAFE_FREE(ld_error);
2705 return NT_STATUS_UNSUCCESSFUL;
2706 }
2707
2708 DEBUG(2, ("ldapsam_update_group_mapping_entry: successfully modified group %lu in LDAP\n", (unsigned long)map->gid));
2709 return NT_STATUS_OK;
2710 }
2711
2712 /**********************************************************************
2713 *********************************************************************/
2714
2715 static NTSTATUS ldapsam_delete_group_mapping_entry(struct pdb_methods *methods,
2716 DOM_SID sid)
2717 {
2718 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)methods->private_data;
2719 pstring sidstring, filter;
2720 LDAPMessage *result = NULL;
2721 int rc;
2722 NTSTATUS ret;
2723 const char **attr_list;
2724
2725 sid_to_string(sidstring, &sid);
2726
2727 pstr_sprintf(filter, "(&(objectClass=%s)(%s=%s))",
2728 LDAP_OBJ_GROUPMAP, LDAP_ATTRIBUTE_SID, sidstring);
2729
2730 rc = ldapsam_search_one_group(ldap_state, filter, &result);
2731
2732 if (rc != LDAP_SUCCESS) {
2733 return NT_STATUS_NO_SUCH_GROUP;
2734 }
2735
2736 attr_list = get_attr_list( groupmap_attr_list_to_delete );
2737 ret = ldapsam_delete_entry(ldap_state, result, LDAP_OBJ_GROUPMAP, attr_list);
2738 free_attr_list ( attr_list );
2739
2740 ldap_msgfree(result);
2741
2742 return ret;
2743 }
2744
2745 /**********************************************************************
2746 *********************************************************************/
2747
2748 static NTSTATUS ldapsam_setsamgrent(struct pdb_methods *my_methods, BOOL update)
2749 {
2750 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
2751 fstring filter;
2752 int rc;
2753 const char **attr_list;
2754
2755 pstr_sprintf( filter, "(objectclass=%s)", LDAP_OBJ_GROUPMAP);
2756 attr_list = get_attr_list( groupmap_attr_list );
2757 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_group_suffix(),
2758 LDAP_SCOPE_SUBTREE, filter,
2759 attr_list, 0, &ldap_state->result);
2760 free_attr_list( attr_list );
2761
2762 if (rc != LDAP_SUCCESS) {
2763 DEBUG(0, ("ldapsam_setsamgrent: LDAP search failed: %s\n", ldap_err2string(rc)));
2764 DEBUG(3, ("ldapsam_setsamgrent: Query was: %s, %s\n", lp_ldap_group_suffix(), filter));
2765 ldap_msgfree(ldap_state->result);
2766 ldap_state->result = NULL;
2767 return NT_STATUS_UNSUCCESSFUL;
2768 }
2769
2770 DEBUG(2, ("ldapsam_setsamgrent: %d entries in the base!\n",
2771 ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
2772 ldap_state->result)));
2773
2774 ldap_state->entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, ldap_state->result);
2775 ldap_state->index = 0;
2776
2777 return NT_STATUS_OK;
2778 }
2779
2780 /**********************************************************************
2781 *********************************************************************/
2782
2783 static void ldapsam_endsamgrent(struct pdb_methods *my_methods)
2784 {
2785 ldapsam_endsampwent(my_methods);
2786 }
2787
2788 /**********************************************************************
2789 *********************************************************************/
2790
2791 static NTSTATUS ldapsam_getsamgrent(struct pdb_methods *my_methods,
2792 GROUP_MAP *map)
2793 {
2794 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2795 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
2796 BOOL bret = False;
2797
2798 while (!bret) {
2799 if (!ldap_state->entry)
2800 return ret;
2801
2802 ldap_state->index++;
2803 bret = init_group_from_ldap(ldap_state, map, ldap_state->entry);
2804
2805 ldap_state->entry = ldap_next_entry(ldap_state->smbldap_state->ldap_struct,
2806 ldap_state->entry);
2807 }
2808
2809 return NT_STATUS_OK;
2810 }
2811
2812 /**********************************************************************
2813 *********************************************************************/
2814
2815 static NTSTATUS ldapsam_enum_group_mapping(struct pdb_methods *methods,
2816 enum SID_NAME_USE sid_name_use,
2817 GROUP_MAP **rmap, int *num_entries,
2818 BOOL unix_only)
2819 {
2820 GROUP_MAP map;
2821 GROUP_MAP *mapt;
2822 int entries = 0;
2823
2824 *num_entries = 0;
2825 *rmap = NULL;
2826
2827 if (!NT_STATUS_IS_OK(ldapsam_setsamgrent(methods, False))) {
2828 DEBUG(0, ("ldapsam_enum_group_mapping: Unable to open passdb\n"));
2829 return NT_STATUS_ACCESS_DENIED;
2830 }
2831
2832 while (NT_STATUS_IS_OK(ldapsam_getsamgrent(methods, &map))) {
2833 if (sid_name_use != SID_NAME_UNKNOWN &&
2834 sid_name_use != map.sid_name_use) {
2835 DEBUG(11,("ldapsam_enum_group_mapping: group %s is not of the requested type\n", map.nt_name));
2836 continue;
2837 }
2838 if (unix_only==ENUM_ONLY_MAPPED && map.gid==-1) {
2839 DEBUG(11,("ldapsam_enum_group_mapping: group %s is non mapped\n", map.nt_name));
2840 continue;
2841 }
2842
2843 mapt=SMB_REALLOC_ARRAY((*rmap), GROUP_MAP, entries+1);
2844 if (!mapt) {
2845 DEBUG(0,("ldapsam_enum_group_mapping: Unable to enlarge group map!\n"));
2846 SAFE_FREE(*rmap);
2847 return NT_STATUS_UNSUCCESSFUL;
2848 }
2849 else
2850 (*rmap) = mapt;
2851
2852 mapt[entries] = map;
2853
2854 entries += 1;
2855
2856 }
2857 ldapsam_endsamgrent(methods);
2858
2859 *num_entries = entries;
2860
2861 return NT_STATUS_OK;
2862 }
2863
2864 static NTSTATUS ldapsam_modify_aliasmem(struct pdb_methods *methods,
2865 const DOM_SID *alias,
2866 const DOM_SID *member,
2867 int modop)
2868 {
2869 struct ldapsam_privates *ldap_state =
2870 (struct ldapsam_privates *)methods->private_data;
2871 char *dn;
2872 LDAPMessage *result = NULL;
2873 LDAPMessage *entry = NULL;
2874 int count;
2875 LDAPMod **mods = NULL;
2876 int rc;
2877
2878 pstring filter;
2879
2880 pstr_sprintf(filter, "(&(|(objectClass=%s)(objectclass=%s))(%s=%s))",
2881 LDAP_OBJ_GROUPMAP, LDAP_OBJ_IDMAP_ENTRY,
2882 get_attr_key2string(groupmap_attr_list,
2883 LDAP_ATTR_GROUP_SID),
2884 sid_string_static(alias));
2885
2886 if (ldapsam_search_one_group(ldap_state, filter,
2887 &result) != LDAP_SUCCESS)
2888 return NT_STATUS_NO_SUCH_ALIAS;
2889
2890 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
2891 result);
2892
2893 if (count < 1) {
2894 DEBUG(4, ("ldapsam_modify_aliasmem: Did not find alias\n"));
2895 ldap_msgfree(result);
2896 return NT_STATUS_NO_SUCH_ALIAS;
2897 }
2898
2899 if (count > 1) {
2900 DEBUG(1, ("ldapsam_modify_aliasmem: Duplicate entries for filter %s: "
2901 "count=%d\n", filter, count));
2902 ldap_msgfree(result);
2903 return NT_STATUS_NO_SUCH_ALIAS;
2904 }
2905
2906 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
2907 result);
2908
2909 if (!entry) {
2910 ldap_msgfree(result);
2911 return NT_STATUS_UNSUCCESSFUL;
2912 }
2913
2914 dn = smbldap_get_dn(ldap_state->smbldap_state->ldap_struct, entry);
2915 if (!dn) {
2916 ldap_msgfree(result);
2917 return NT_STATUS_UNSUCCESSFUL;
2918 }
2919
2920 smbldap_set_mod(&mods, modop,
2921 get_attr_key2string(groupmap_attr_list,
2922 LDAP_ATTR_SID_LIST),
2923 sid_string_static(member));
2924
2925 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
2926
2927 ldap_mods_free(mods, True);
2928 ldap_msgfree(result);
2929
2930 if (rc != LDAP_SUCCESS) {
2931 char *ld_error = NULL;
2932 ldap_get_option(ldap_state->smbldap_state->ldap_struct,
2933 LDAP_OPT_ERROR_STRING,&ld_error);
2934
2935 DEBUG(0, ("ldapsam_modify_aliasmem: Could not modify alias "
2936 "for %s, error: %s (%s)\n", dn, ldap_err2string(rc),
2937 ld_error?ld_error:"unknown"));
2938 SAFE_FREE(ld_error);
2939 SAFE_FREE(dn);
2940 return NT_STATUS_UNSUCCESSFUL;
2941 }
2942
2943 SAFE_FREE(dn);
2944
2945 return NT_STATUS_OK;
2946 }
2947
2948 static NTSTATUS ldapsam_add_aliasmem(struct pdb_methods *methods,
2949 const DOM_SID *alias,
2950 const DOM_SID *member)
2951 {
2952 return ldapsam_modify_aliasmem(methods, alias, member, LDAP_MOD_ADD);
2953 }
2954
2955 static NTSTATUS ldapsam_del_aliasmem(struct pdb_methods *methods,
2956 const DOM_SID *alias,
2957 const DOM_SID *member)
2958 {
2959 return ldapsam_modify_aliasmem(methods, alias, member,
2960 LDAP_MOD_DELETE);
2961 }
2962
2963 static NTSTATUS ldapsam_enum_aliasmem(struct pdb_methods *methods,
2964 const DOM_SID *alias, DOM_SID **members,
2965 int *num_members)
2966 {
2967 struct ldapsam_privates *ldap_state =
2968 (struct ldapsam_privates *)methods->private_data;
2969 LDAPMessage *result = NULL;
2970 LDAPMessage *entry = NULL;
2971 int count;
2972 char **values;
2973 int i;
2974 pstring filter;
2975
2976 *members = NULL;
2977 *num_members = 0;
2978
2979 pstr_sprintf(filter, "(&(|(objectClass=%s)(objectclass=%s))(%s=%s))",
2980 LDAP_OBJ_GROUPMAP, LDAP_OBJ_IDMAP_ENTRY,
2981 get_attr_key2string(groupmap_attr_list,
2982 LDAP_ATTR_GROUP_SID),
2983 sid_string_static(alias));
2984
2985 if (ldapsam_search_one_group(ldap_state, filter,
2986 &result) != LDAP_SUCCESS)
2987 return NT_STATUS_NO_SUCH_ALIAS;
2988
2989 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
2990 result);
2991
2992 if (count < 1) {
2993 DEBUG(4, ("ldapsam_enum_aliasmem: Did not find alias\n"));
2994 ldap_msgfree(result);
2995 return NT_STATUS_NO_SUCH_ALIAS;
2996 }
2997
2998 if (count > 1) {
2999 DEBUG(1, ("ldapsam_enum_aliasmem: Duplicate entries for filter %s: "
3000 "count=%d\n", filter, count));
3001 ldap_msgfree(result);
3002 return NT_STATUS_NO_SUCH_ALIAS;
3003 }
3004
3005 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3006 result);
3007
3008 if (!entry) {
3009 ldap_msgfree(result);
3010 return NT_STATUS_UNSUCCESSFUL;
3011 }
3012
3013 values = ldap_get_values(ldap_state->smbldap_state->ldap_struct,
3014 entry,
3015 get_attr_key2string(groupmap_attr_list,
3016 LDAP_ATTR_SID_LIST));
3017
3018 if (values == NULL) {
3019 ldap_msgfree(result);
3020 return NT_STATUS_OK;
3021 }
3022
3023 count = ldap_count_values(values);
3024
3025 for (i=0; i<count; i++) {
3026 DOM_SID member;
3027
3028 if (!string_to_sid(&member, values[i]))
3029 continue;
3030
3031 add_sid_to_array(&member, members, num_members);
3032 }
3033
3034 ldap_value_free(values);
3035 ldap_msgfree(result);
3036
3037 return NT_STATUS_OK;
3038 }
3039
3040 static NTSTATUS ldapsam_alias_memberships(struct pdb_methods *methods,
3041 const DOM_SID *members,
3042 int num_members,
3043 DOM_SID **aliases, int *num_aliases)
3044 {
3045 struct ldapsam_privates *ldap_state =
3046 (struct ldapsam_privates *)methods->private_data;
3047 LDAP *ldap_struct;
3048
3049 const char *attrs[] = { LDAP_ATTRIBUTE_SID, NULL };
3050
3051 LDAPMessage *result = NULL;
3052 LDAPMessage *entry = NULL;
3053 int i;
3054 int rc;
3055 char *filter;
3056 TALLOC_CTX *mem_ctx;
3057
3058 mem_ctx = talloc_init("ldapsam_alias_memberships");
3059
3060 if (mem_ctx == NULL)
3061 return NT_STATUS_NO_MEMORY;
3062
3063 /* This query could be further optimized by adding a
3064 (&(sambaSID=<domain-sid>*)) so that only those aliases that are
3065 asked for in the getuseraliases are returned. */
3066
3067 filter = talloc_asprintf(mem_ctx,
3068 "(&(|(objectclass=%s)(objectclass=%s))(|",
3069 LDAP_OBJ_GROUPMAP, LDAP_OBJ_IDMAP_ENTRY);
3070
3071 for (i=0; i<num_members; i++)
3072 filter = talloc_asprintf(mem_ctx, "%s(sambaSIDList=%s)",
3073 filter,
3074 sid_string_static(&members[i]));
3075
3076 filter = talloc_asprintf(mem_ctx, "%s))", filter);
3077
3078 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_group_suffix(),
3079 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
3080
3081 talloc_destroy(mem_ctx);
3082
3083 if (rc != LDAP_SUCCESS)
3084 return NT_STATUS_UNSUCCESSFUL;
3085
3086 *aliases = NULL;
3087 *num_aliases = 0;
3088
3089 ldap_struct = ldap_state->smbldap_state->ldap_struct;
3090
3091 for (entry = ldap_first_entry(ldap_struct, result);
3092 entry != NULL;
3093 entry = ldap_next_entry(ldap_struct, entry))
3094 {
3095 fstring sid_str;
3096 DOM_SID sid;
3097
3098 if (!smbldap_get_single_attribute(ldap_struct, entry,
3099 LDAP_ATTRIBUTE_SID,
3100 sid_str,
3101 sizeof(sid_str)-1))
3102 continue;
3103
3104 if (!string_to_sid(&sid, sid_str))
3105 continue;
3106
3107 add_sid_to_array_unique(&sid, aliases, num_aliases);
3108 }
3109
3110 ldap_msgfree(result);
3111 return NT_STATUS_OK;
3112 }
3113
3114 /**********************************************************************
3115 Housekeeping
3116 *********************************************************************/
3117
3118 static void free_private_data(void **vp)
3119 {
3120 struct ldapsam_privates **ldap_state = (struct ldapsam_privates **)vp;
3121
3122 smbldap_free_struct(&(*ldap_state)->smbldap_state);
3123
3124 if ((*ldap_state)->result != NULL) {
3125 ldap_msgfree((*ldap_state)->result);
3126 (*ldap_state)->result = NULL;
3127 }
3128 if ((*ldap_state)->domain_dn != NULL) {
3129 SAFE_FREE((*ldap_state)->domain_dn);
3130 }
3131
3132 *ldap_state = NULL;
3133
3134 /* No need to free any further, as it is talloc()ed */
3135 }
3136
3137 /**********************************************************************
3138 Intitalise the parts of the pdb_context that are common to all pdb_ldap modes
3139 *********************************************************************/
3140
3141 static NTSTATUS pdb_init_ldapsam_common(PDB_CONTEXT *pdb_context, PDB_METHODS **pdb_method,
3142 const char *location)
3143 {
3144 NTSTATUS nt_status;
3145 struct ldapsam_privates *ldap_state;
3146
3147 if (!NT_STATUS_IS_OK(nt_status = make_pdb_methods(pdb_context->mem_ctx, pdb_method))) {
3148 return nt_status;
3149 }
3150
3151 (*pdb_method)->name = "ldapsam";
3152
3153 (*pdb_method)->setsampwent = ldapsam_setsampwent;
3154 (*pdb_method)->endsampwent = ldapsam_endsampwent;
3155 (*pdb_method)->getsampwent = ldapsam_getsampwent;
3156 (*pdb_method)->getsampwnam = ldapsam_getsampwnam;
3157 (*pdb_method)->getsampwsid = ldapsam_getsampwsid;
3158 (*pdb_method)->add_sam_account = ldapsam_add_sam_account;
3159 (*pdb_method)->update_sam_account = ldapsam_update_sam_account;
3160 (*pdb_method)->delete_sam_account = ldapsam_delete_sam_account;
3161
3162 (*pdb_method)->getgrsid = ldapsam_getgrsid;
3163 (*pdb_method)->getgrgid = ldapsam_getgrgid;
3164 (*pdb_method)->getgrnam = ldapsam_getgrnam;
3165 (*pdb_method)->add_group_mapping_entry = ldapsam_add_group_mapping_entry;
3166 (*pdb_method)->update_group_mapping_entry = ldapsam_update_group_mapping_entry;
3167 (*pdb_method)->delete_group_mapping_entry = ldapsam_delete_group_mapping_entry;
3168 (*pdb_method)->enum_group_mapping = ldapsam_enum_group_mapping;
3169 (*pdb_method)->enum_group_members = ldapsam_enum_group_members;
3170 (*pdb_method)->enum_group_memberships = ldapsam_enum_group_memberships;
3171
3172 /* TODO: Setup private data and free */
3173
3174 ldap_state = TALLOC_ZERO_P(pdb_context->mem_ctx, struct ldapsam_privates);
3175 if (!ldap_state) {
3176 DEBUG(0, ("pdb_init_ldapsam_common: talloc() failed for ldapsam private_data!\n"));
3177 return NT_STATUS_NO_MEMORY;
3178 }
3179
3180 if (!NT_STATUS_IS_OK(nt_status =
3181 smbldap_init(pdb_context->mem_ctx, location,
3182 &ldap_state->smbldap_state)));
3183
3184 ldap_state->domain_name = talloc_strdup(pdb_context->mem_ctx, get_global_sam_name());
3185 if (!ldap_state->domain_name) {
3186 return NT_STATUS_NO_MEMORY;
3187 }
3188
3189 (*pdb_method)->private_data = ldap_state;
3190
3191 (*pdb_method)->free_private_data = free_private_data;
3192
3193 return NT_STATUS_OK;
3194 }
3195
3196 /**********************************************************************
3197 Initialise the 'compat' mode for pdb_ldap
3198 *********************************************************************/
3199
3200 NTSTATUS pdb_init_ldapsam_compat(PDB_CONTEXT *pdb_context, PDB_METHODS **pdb_method, const char *location)
3201 {
3202 NTSTATUS nt_status;
3203 struct ldapsam_privates *ldap_state;
3204
3205 #ifdef WITH_LDAP_SAMCONFIG
3206 if (!location) {
3207 int ldap_port = lp_ldap_port();
3208
3209 /* remap default port if not using SSL (ie clear or TLS) */
3210 if ( (lp_ldap_ssl() != LDAP_SSL_ON) && (ldap_port == 636) ) {
3211 ldap_port = 389;
3212 }
3213
3214 location = talloc_asprintf(pdb_context->mem_ctx, "%s://%s:%d", lp_ldap_ssl() == LDAP_SSL_ON ? "ldaps" : "ldap", lp_ldap_server(), ldap_port);
3215 if (!location) {
3216 return NT_STATUS_NO_MEMORY;
3217 }
3218 }
3219 #endif
3220
3221 if (!NT_STATUS_IS_OK(nt_status = pdb_init_ldapsam_common(pdb_context, pdb_method, location))) {
3222 return nt_status;
3223 }
3224
3225 (*pdb_method)->name = "ldapsam_compat";
3226
3227 ldap_state = (*pdb_method)->private_data;
3228 ldap_state->schema_ver = SCHEMAVER_SAMBAACCOUNT;
3229
3230 sid_copy(&ldap_state->domain_sid, get_global_sam_sid());
3231
3232 return NT_STATUS_OK;
3233 }
3234
3235 /**********************************************************************
3236 Initialise the normal mode for pdb_ldap
3237 *********************************************************************/
3238
3239 NTSTATUS pdb_init_ldapsam(PDB_CONTEXT *pdb_context, PDB_METHODS **pdb_method, const char *location)
3240 {
3241 NTSTATUS nt_status;
3242 struct ldapsam_privates *ldap_state;
3243 uint32 alg_rid_base;
3244 pstring alg_rid_base_string;
3245 LDAPMessage *result = NULL;
3246 LDAPMessage *entry = NULL;
3247 DOM_SID ldap_domain_sid;
3248 DOM_SID secrets_domain_sid;
3249 pstring domain_sid_string;
3250 char *dn;
3251
3252 if (!NT_STATUS_IS_OK(nt_status = pdb_init_ldapsam_common(pdb_context, pdb_method, location))) {
3253 return nt_status;
3254 }
3255
3256 (*pdb_method)->name = "ldapsam";
3257
3258 (*pdb_method)->add_aliasmem = ldapsam_add_aliasmem;
3259 (*pdb_method)->del_aliasmem = ldapsam_del_aliasmem;
3260 (*pdb_method)->enum_aliasmem = ldapsam_enum_aliasmem;
3261 (*pdb_method)->enum_alias_memberships = ldapsam_alias_memberships;
3262
3263 ldap_state = (*pdb_method)->private_data;
3264 ldap_state->schema_ver = SCHEMAVER_SAMBASAMACCOUNT;
3265
3266 /* Try to setup the Domain Name, Domain SID, algorithmic rid base */
3267
3268 nt_status = smbldap_search_domain_info(ldap_state->smbldap_state, &result,
3269 ldap_state->domain_name, True);
3270
3271 if ( !NT_STATUS_IS_OK(nt_status) ) {
3272 DEBUG(2, ("pdb_init_ldapsam: WARNING: Could not get domain info, nor add one to the domain\n"));
3273 DEBUGADD(2, ("pdb_init_ldapsam: Continuing on regardless, will be unable to allocate new users/groups, \
3274 and will risk BDCs having inconsistant SIDs\n"));
3275 sid_copy(&ldap_state->domain_sid, get_global_sam_sid());
3276 return NT_STATUS_OK;
3277 }
3278
3279 /* Given that the above might fail, everything below this must be optional */
3280
3281 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
3282 if (!entry) {
3283 DEBUG(0, ("pdb_init_ldapsam: Could not get domain info entry\n"));
3284 ldap_msgfree(result);
3285 return NT_STATUS_UNSUCCESSFUL;
3286 }
3287
3288 dn = smbldap_get_dn(ldap_state->smbldap_state->ldap_struct, entry);
3289 if (!dn) {
3290 return NT_STATUS_UNSUCCESSFUL;
3291 }
3292
3293 ldap_state->domain_dn = smb_xstrdup(dn);
3294 ldap_memfree(dn);
3295
3296 if (smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
3297 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_SID),
3298 domain_sid_string)) {
3299 BOOL found_sid;
3300 if (!string_to_sid(&ldap_domain_sid, domain_sid_string)) {
3301 DEBUG(1, ("pdb_init_ldapsam: SID [%s] could not be read as a valid SID\n", domain_sid_string));
3302 return NT_STATUS_INVALID_PARAMETER;
3303 }
3304 found_sid = secrets_fetch_domain_sid(ldap_state->domain_name, &secrets_domain_sid);
3305 if (!found_sid || !sid_equal(&secrets_domain_sid, &ldap_domain_sid)) {
3306 fstring new_sid_str, old_sid_str;
3307 DEBUG(1, ("pdb_init_ldapsam: Resetting SID for domain %s based on pdb_ldap results %s -> %s\n",
3308 ldap_state->domain_name,
3309 sid_to_string(old_sid_str, &secrets_domain_sid),
3310 sid_to_string(new_sid_str, &ldap_domain_sid)));
3311
3312 /* reset secrets.tdb sid */
3313 secrets_store_domain_sid(ldap_state->domain_name, &ldap_domain_sid);
3314 DEBUG(1, ("New global sam SID: %s\n", sid_to_string(new_sid_str, get_global_sam_sid())));
3315 }
3316 sid_copy(&ldap_state->domain_sid, &ldap_domain_sid);
3317 }
3318
3319 if (smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
3320 get_attr_key2string( dominfo_attr_list, LDAP_ATTR_ALGORITHMIC_RID_BASE ),
3321 alg_rid_base_string)) {
3322 alg_rid_base = (uint32)atol(alg_rid_base_string);
3323 if (alg_rid_base != algorithmic_rid_base()) {
3324 DEBUG(0, ("The value of 'algorithmic RID base' has changed since the LDAP\n"
3325 "database was initialised. Aborting. \n"));
3326 ldap_msgfree(result);
3327 return NT_STATUS_UNSUCCESSFUL;
3328 }
3329 }
3330 ldap_msgfree(result);
3331
3332 return NT_STATUS_OK;
3333 }
3334
3335 NTSTATUS pdb_ldap_init(void)
3336 {
3337 NTSTATUS nt_status;
3338 if (!NT_STATUS_IS_OK(nt_status = smb_register_passdb(PASSDB_INTERFACE_VERSION, "ldapsam", pdb_init_ldapsam)))
3339 return nt_status;
3340
3341 if (!NT_STATUS_IS_OK(nt_status = smb_register_passdb(PASSDB_INTERFACE_VERSION, "ldapsam_compat", pdb_init_ldapsam_compat)))
3342 return nt_status;
3343
3344 /* Let pdb_nds register backends */
3345 pdb_nds_init();
3346
3347 return NT_STATUS_OK;
3348 }
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