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r21585: Start syncing the monster that will become 3.0.25pre1
[Samba.git] / source / passdb / pdb_ldap.c
blob533b936efd9186869844b4f7c6f685dae463aa7f
1 /*
2 Unix SMB/CIFS implementation.
3 LDAP protocol helper functions for SAMBA
4 Copyright (C) Jean François Micouleau 1998
5 Copyright (C) Gerald Carter 2001-2003
6 Copyright (C) Shahms King 2001
7 Copyright (C) Andrew Bartlett 2002-2003
8 Copyright (C) Stefan (metze) Metzmacher 2002-2003
9 Copyright (C) Simo Sorce 2006
10
11 This program is free software; you can redistribute it and/or modify
12 it under the terms of the GNU General Public License as published by
13 the Free Software Foundation; either version 2 of the License, or
14 (at your option) any later version.
15
16 This program is distributed in the hope that it will be useful,
17 but WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 GNU General Public License for more details.
20
21 You should have received a copy of the GNU General Public License
22 along with this program; if not, write to the Free Software
23 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24
25 */
26
27 /* TODO:
28 * persistent connections: if using NSS LDAP, many connections are made
29 * however, using only one within Samba would be nice
30 *
31 * Clean up SSL stuff, compile on OpenLDAP 1.x, 2.x, and Netscape SDK
32 *
33 * Other LDAP based login attributes: accountExpires, etc.
34 * (should be the domain of Samba proper, but the sam_password/struct samu
35 * structures don't have fields for some of these attributes)
36 *
37 * SSL is done, but can't get the certificate based authentication to work
38 * against on my test platform (Linux 2.4, OpenLDAP 2.x)
39 */
40
41 /* NOTE: this will NOT work against an Active Directory server
42 * due to the fact that the two password fields cannot be retrieved
43 * from a server; recommend using security = domain in this situation
44 * and/or winbind
45 */
46
47 #include "includes.h"
48
49 #undef DBGC_CLASS
50 #define DBGC_CLASS DBGC_PASSDB
51
52 #include <lber.h>
53 #include <ldap.h>
54
55 /*
56 * Work around versions of the LDAP client libs that don't have the OIDs
57 * defined, or have them defined under the old name.
58 * This functionality is really a factor of the server, not the client
59 *
60 */
61
62 #if defined(LDAP_EXOP_X_MODIFY_PASSWD) && !defined(LDAP_EXOP_MODIFY_PASSWD)
63 #define LDAP_EXOP_MODIFY_PASSWD LDAP_EXOP_X_MODIFY_PASSWD
64 #elif !defined(LDAP_EXOP_MODIFY_PASSWD)
65 #define LDAP_EXOP_MODIFY_PASSWD "1.3.6.1.4.1.4203.1.11.1"
66 #endif
67
68 #if defined(LDAP_EXOP_X_MODIFY_PASSWD_ID) && !defined(LDAP_EXOP_MODIFY_PASSWD_ID)
69 #define LDAP_TAG_EXOP_MODIFY_PASSWD_ID LDAP_EXOP_X_MODIFY_PASSWD_ID
70 #elif !defined(LDAP_EXOP_MODIFY_PASSWD_ID)
71 #define LDAP_TAG_EXOP_MODIFY_PASSWD_ID ((ber_tag_t) 0x80U)
72 #endif
73
74 #if defined(LDAP_EXOP_X_MODIFY_PASSWD_NEW) && !defined(LDAP_EXOP_MODIFY_PASSWD_NEW)
75 #define LDAP_TAG_EXOP_MODIFY_PASSWD_NEW LDAP_EXOP_X_MODIFY_PASSWD_NEW
76 #elif !defined(LDAP_EXOP_MODIFY_PASSWD_NEW)
77 #define LDAP_TAG_EXOP_MODIFY_PASSWD_NEW ((ber_tag_t) 0x82U)
78 #endif
79
80
81 #include "smbldap.h"
82
83 /**********************************************************************
84 Simple helper function to make stuff better readable
85 **********************************************************************/
86
87 static LDAP *priv2ld(struct ldapsam_privates *priv)
88 {
89 return priv->smbldap_state->ldap_struct;
90 }
91
92 /**********************************************************************
93 Get the attribute name given a user schame version.
94 **********************************************************************/
95
96 static const char* get_userattr_key2string( int schema_ver, int key )
97 {
98 switch ( schema_ver ) {
99 case SCHEMAVER_SAMBAACCOUNT:
100 return get_attr_key2string( attrib_map_v22, key );
101
102 case SCHEMAVER_SAMBASAMACCOUNT:
103 return get_attr_key2string( attrib_map_v30, key );
104
105 default:
106 DEBUG(0,("get_userattr_key2string: unknown schema version specified\n"));
107 break;
108 }
109 return NULL;
110 }
111
112 /**********************************************************************
113 Return the list of attribute names given a user schema version.
114 **********************************************************************/
115
116 const char** get_userattr_list( TALLOC_CTX *mem_ctx, int schema_ver )
117 {
118 switch ( schema_ver ) {
119 case SCHEMAVER_SAMBAACCOUNT:
120 return get_attr_list( mem_ctx, attrib_map_v22 );
121
122 case SCHEMAVER_SAMBASAMACCOUNT:
123 return get_attr_list( mem_ctx, attrib_map_v30 );
124 default:
125 DEBUG(0,("get_userattr_list: unknown schema version specified!\n"));
126 break;
127 }
128
129 return NULL;
130 }
131
132 /**************************************************************************
133 Return the list of attribute names to delete given a user schema version.
134 **************************************************************************/
135
136 static const char** get_userattr_delete_list( TALLOC_CTX *mem_ctx,
137 int schema_ver )
138 {
139 switch ( schema_ver ) {
140 case SCHEMAVER_SAMBAACCOUNT:
141 return get_attr_list( mem_ctx,
142 attrib_map_to_delete_v22 );
143
144 case SCHEMAVER_SAMBASAMACCOUNT:
145 return get_attr_list( mem_ctx,
146 attrib_map_to_delete_v30 );
147 default:
148 DEBUG(0,("get_userattr_delete_list: unknown schema version specified!\n"));
149 break;
150 }
151
152 return NULL;
153 }
154
155
156 /*******************************************************************
157 Generate the LDAP search filter for the objectclass based on the
158 version of the schema we are using.
159 ******************************************************************/
160
161 static const char* get_objclass_filter( int schema_ver )
162 {
163 static fstring objclass_filter;
164
165 switch( schema_ver ) {
166 case SCHEMAVER_SAMBAACCOUNT:
167 fstr_sprintf( objclass_filter, "(objectclass=%s)", LDAP_OBJ_SAMBAACCOUNT );
168 break;
169 case SCHEMAVER_SAMBASAMACCOUNT:
170 fstr_sprintf( objclass_filter, "(objectclass=%s)", LDAP_OBJ_SAMBASAMACCOUNT );
171 break;
172 default:
173 DEBUG(0,("get_objclass_filter: Invalid schema version specified!\n"));
174 break;
175 }
176
177 return objclass_filter;
178 }
179
180 /*****************************************************************
181 Scan a sequence number off OpenLDAP's syncrepl contextCSN
182 ******************************************************************/
183
184 static NTSTATUS ldapsam_get_seq_num(struct pdb_methods *my_methods, time_t *seq_num)
185 {
186 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
187 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
188 LDAPMessage *msg = NULL;
189 LDAPMessage *entry = NULL;
190 TALLOC_CTX *mem_ctx;
191 char **values = NULL;
192 int rc, num_result, num_values, rid;
193 pstring suffix;
194 fstring tok;
195 const char *p;
196 const char **attrs;
197
198 /* Unfortunatly there is no proper way to detect syncrepl-support in
199 * smbldap_connect_system(). The syncrepl OIDs are submitted for publication
200 * but do not show up in the root-DSE yet. Neither we can query the
201 * subschema-context for the syncProviderSubentry or syncConsumerSubentry
202 * objectclass. Currently we require lp_ldap_suffix() to show up as
203 * namingContext. - Guenther
204 */
205
206 if (!lp_parm_bool(-1, "ldapsam", "syncrepl_seqnum", False)) {
207 return ntstatus;
208 }
209
210 if (!seq_num) {
211 DEBUG(3,("ldapsam_get_seq_num: no sequence_number\n"));
212 return ntstatus;
213 }
214
215 if (!smbldap_has_naming_context(ldap_state->smbldap_state->ldap_struct, lp_ldap_suffix())) {
216 DEBUG(3,("ldapsam_get_seq_num: DIT not configured to hold %s "
217 "as top-level namingContext\n", lp_ldap_suffix()));
218 return ntstatus;
219 }
220
221 mem_ctx = talloc_init("ldapsam_get_seq_num");
222
223 if (mem_ctx == NULL)
224 return NT_STATUS_NO_MEMORY;
225
226 if ((attrs = TALLOC_ARRAY(mem_ctx, const char *, 2)) == NULL) {
227 ntstatus = NT_STATUS_NO_MEMORY;
228 goto done;
229 }
230
231 /* if we got a syncrepl-rid (up to three digits long) we speak with a consumer */
232 rid = lp_parm_int(-1, "ldapsam", "syncrepl_rid", -1);
233 if (rid > 0) {
234
235 /* consumer syncreplCookie: */
236 /* csn=20050126161620Z#0000001#00#00000 */
237 attrs[0] = talloc_strdup(mem_ctx, "syncreplCookie");
238 attrs[1] = NULL;
239 pstr_sprintf( suffix, "cn=syncrepl%d,%s", rid, lp_ldap_suffix());
240
241 } else {
242
243 /* provider contextCSN */
244 /* 20050126161620Z#000009#00#000000 */
245 attrs[0] = talloc_strdup(mem_ctx, "contextCSN");
246 attrs[1] = NULL;
247 pstr_sprintf( suffix, "cn=ldapsync,%s", lp_ldap_suffix());
248
249 }
250
251 rc = smbldap_search(ldap_state->smbldap_state, suffix,
252 LDAP_SCOPE_BASE, "(objectclass=*)", attrs, 0, &msg);
253
254 if (rc != LDAP_SUCCESS) {
255 goto done;
256 }
257
258 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg);
259 if (num_result != 1) {
260 DEBUG(3,("ldapsam_get_seq_num: Expected one entry, got %d\n", num_result));
261 goto done;
262 }
263
264 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg);
265 if (entry == NULL) {
266 DEBUG(3,("ldapsam_get_seq_num: Could not retrieve entry\n"));
267 goto done;
268 }
269
270 values = ldap_get_values(ldap_state->smbldap_state->ldap_struct, entry, attrs[0]);
271 if (values == NULL) {
272 DEBUG(3,("ldapsam_get_seq_num: no values\n"));
273 goto done;
274 }
275
276 num_values = ldap_count_values(values);
277 if (num_values == 0) {
278 DEBUG(3,("ldapsam_get_seq_num: not a single value\n"));
279 goto done;
280 }
281
282 p = values[0];
283 if (!next_token(&p, tok, "#", sizeof(tok))) {
284 DEBUG(0,("ldapsam_get_seq_num: failed to parse sequence number\n"));
285 goto done;
286 }
287
288 p = tok;
289 if (!strncmp(p, "csn=", strlen("csn=")))
290 p += strlen("csn=");
291
292 DEBUG(10,("ldapsam_get_seq_num: got %s: %s\n", attrs[0], p));
293
294 *seq_num = generalized_to_unix_time(p);
295
296 /* very basic sanity check */
297 if (*seq_num <= 0) {
298 DEBUG(3,("ldapsam_get_seq_num: invalid sequence number: %d\n",
299 (int)*seq_num));
300 goto done;
301 }
302
303 ntstatus = NT_STATUS_OK;
304
305 done:
306 if (values != NULL)
307 ldap_value_free(values);
308 if (msg != NULL)
309 ldap_msgfree(msg);
310 if (mem_ctx)
311 talloc_destroy(mem_ctx);
312
313 return ntstatus;
314 }
315
316 /*******************************************************************
317 Run the search by name.
318 ******************************************************************/
319
320 int ldapsam_search_suffix_by_name(struct ldapsam_privates *ldap_state,
321 const char *user,
322 LDAPMessage ** result,
323 const char **attr)
324 {
325 pstring filter;
326 char *escape_user = escape_ldap_string_alloc(user);
327
328 if (!escape_user) {
329 return LDAP_NO_MEMORY;
330 }
331
332 /*
333 * in the filter expression, replace %u with the real name
334 * so in ldap filter, %u MUST exist :-)
335 */
336 pstr_sprintf(filter, "(&%s%s)", "(uid=%u)",
337 get_objclass_filter(ldap_state->schema_ver));
338
339 /*
340 * have to use this here because $ is filtered out
341 * in pstring_sub
342 */
343
344
345 all_string_sub(filter, "%u", escape_user, sizeof(pstring));
346 SAFE_FREE(escape_user);
347
348 return smbldap_search_suffix(ldap_state->smbldap_state, filter, attr, result);
349 }
350
351 /*******************************************************************
352 Run the search by rid.
353 ******************************************************************/
354
355 static int ldapsam_search_suffix_by_rid (struct ldapsam_privates *ldap_state,
356 uint32 rid, LDAPMessage ** result,
357 const char **attr)
358 {
359 pstring filter;
360 int rc;
361
362 pstr_sprintf(filter, "(&(rid=%i)%s)", rid,
363 get_objclass_filter(ldap_state->schema_ver));
364
365 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, attr, result);
366
367 return rc;
368 }
369
370 /*******************************************************************
371 Run the search by SID.
372 ******************************************************************/
373
374 static int ldapsam_search_suffix_by_sid (struct ldapsam_privates *ldap_state,
375 const DOM_SID *sid, LDAPMessage ** result,
376 const char **attr)
377 {
378 pstring filter;
379 int rc;
380 fstring sid_string;
381
382 pstr_sprintf(filter, "(&(%s=%s)%s)",
383 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_SID),
384 sid_to_string(sid_string, sid),
385 get_objclass_filter(ldap_state->schema_ver));
386
387 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, attr, result);
388
389 return rc;
390 }
391
392 /*******************************************************************
393 Delete complete object or objectclass and attrs from
394 object found in search_result depending on lp_ldap_delete_dn
395 ******************************************************************/
396
397 static int ldapsam_delete_entry(struct ldapsam_privates *priv,
398 TALLOC_CTX *mem_ctx,
399 LDAPMessage *entry,
400 const char *objectclass,
401 const char **attrs)
402 {
403 LDAPMod **mods = NULL;
404 char *name;
405 const char *dn;
406 BerElement *ptr = NULL;
407
408 dn = smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry);
409 if (dn == NULL) {
410 return LDAP_NO_MEMORY;
411 }
412
413 if (lp_ldap_delete_dn()) {
414 return smbldap_delete(priv->smbldap_state, dn);
415 }
416
417 /* Ok, delete only the SAM attributes */
418
419 for (name = ldap_first_attribute(priv2ld(priv), entry, &ptr);
420 name != NULL;
421 name = ldap_next_attribute(priv2ld(priv), entry, ptr)) {
422 const char **attrib;
423
424 /* We are only allowed to delete the attributes that
425 really exist. */
426
427 for (attrib = attrs; *attrib != NULL; attrib++) {
428 if (strequal(*attrib, name)) {
429 DEBUG(10, ("ldapsam_delete_entry: deleting "
430 "attribute %s\n", name));
431 smbldap_set_mod(&mods, LDAP_MOD_DELETE, name,
432 NULL);
433 }
434 }
435 ldap_memfree(name);
436 }
437
438 if (ptr != NULL) {
439 ber_free(ptr, 0);
440 }
441
442 smbldap_set_mod(&mods, LDAP_MOD_DELETE, "objectClass", objectclass);
443 talloc_autofree_ldapmod(mem_ctx, mods);
444
445 return smbldap_modify(priv->smbldap_state, dn, mods);
446 }
447
448 static time_t ldapsam_get_entry_timestamp( struct ldapsam_privates *ldap_state, LDAPMessage * entry)
449 {
450 pstring temp;
451 struct tm tm;
452
453 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
454 get_userattr_key2string(ldap_state->schema_ver,LDAP_ATTR_MOD_TIMESTAMP),
455 temp))
456 return (time_t) 0;
457
458 strptime(temp, "%Y%m%d%H%M%SZ", &tm);
459 tzset();
460 return timegm(&tm);
461 }
462
463 /**********************************************************************
464 Initialize struct samu from an LDAP query.
465 (Based on init_sam_from_buffer in pdb_tdb.c)
466 *********************************************************************/
467
468 static BOOL init_sam_from_ldap(struct ldapsam_privates *ldap_state,
469 struct samu * sampass,
470 LDAPMessage * entry)
471 {
472 time_t logon_time,
473 logoff_time,
474 kickoff_time,
475 pass_last_set_time,
476 pass_can_change_time,
477 pass_must_change_time,
478 ldap_entry_time,
479 bad_password_time;
480 pstring username,
481 domain,
482 nt_username,
483 fullname,
484 homedir,
485 dir_drive,
486 logon_script,
487 profile_path,
488 acct_desc,
489 workstations;
490 char munged_dial[2048];
491 uint32 user_rid;
492 uint8 smblmpwd[LM_HASH_LEN],
493 smbntpwd[NT_HASH_LEN];
494 BOOL use_samba_attrs = True;
495 uint32 acct_ctrl = 0;
496 uint16 logon_divs;
497 uint16 bad_password_count = 0,
498 logon_count = 0;
499 uint32 hours_len;
500 uint8 hours[MAX_HOURS_LEN];
501 pstring temp;
502 LOGIN_CACHE *cache_entry = NULL;
503 uint32 pwHistLen;
504 pstring tmpstring;
505 BOOL expand_explicit = lp_passdb_expand_explicit();
506
507 /*
508 * do a little initialization
509 */
510 username[0] = '\0';
511 domain[0] = '\0';
512 nt_username[0] = '\0';
513 fullname[0] = '\0';
514 homedir[0] = '\0';
515 dir_drive[0] = '\0';
516 logon_script[0] = '\0';
517 profile_path[0] = '\0';
518 acct_desc[0] = '\0';
519 munged_dial[0] = '\0';
520 workstations[0] = '\0';
521
522
523 if (sampass == NULL || ldap_state == NULL || entry == NULL) {
524 DEBUG(0, ("init_sam_from_ldap: NULL parameters found!\n"));
525 return False;
526 }
527
528 if (priv2ld(ldap_state) == NULL) {
529 DEBUG(0, ("init_sam_from_ldap: ldap_state->smbldap_state->"
530 "ldap_struct is NULL!\n"));
531 return False;
532 }
533
534 if (!smbldap_get_single_pstring(priv2ld(ldap_state), entry, "uid",
535 username)) {
536 DEBUG(1, ("init_sam_from_ldap: No uid attribute found for "
537 "this user!\n"));
538 return False;
539 }
540
541 DEBUG(2, ("init_sam_from_ldap: Entry found for user: %s\n", username));
542
543 pstrcpy(nt_username, username);
544
545 pstrcpy(domain, ldap_state->domain_name);
546
547 pdb_set_username(sampass, username, PDB_SET);
548
549 pdb_set_domain(sampass, domain, PDB_DEFAULT);
550 pdb_set_nt_username(sampass, nt_username, PDB_SET);
551
552 /* deal with different attributes between the schema first */
553
554 if ( ldap_state->schema_ver == SCHEMAVER_SAMBASAMACCOUNT ) {
555 if (smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
556 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_SID), temp)) {
557 pdb_set_user_sid_from_string(sampass, temp, PDB_SET);
558 }
559 } else {
560 if (smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
561 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_RID), temp)) {
562 user_rid = (uint32)atol(temp);
563 pdb_set_user_sid_from_rid(sampass, user_rid, PDB_SET);
564 }
565 }
566
567 if (pdb_get_init_flags(sampass,PDB_USERSID) == PDB_DEFAULT) {
568 DEBUG(1, ("init_sam_from_ldap: no %s or %s attribute found for this user %s\n",
569 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_SID),
570 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_RID),
571 username));
572 return False;
573 }
574
575 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
576 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_LAST_SET), temp)) {
577 /* leave as default */
578 } else {
579 pass_last_set_time = (time_t) atol(temp);
580 pdb_set_pass_last_set_time(sampass, pass_last_set_time, PDB_SET);
581 }
582
583 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
584 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_TIME), temp)) {
585 /* leave as default */
586 } else {
587 logon_time = (time_t) atol(temp);
588 pdb_set_logon_time(sampass, logon_time, PDB_SET);
589 }
590
591 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
592 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGOFF_TIME), temp)) {
593 /* leave as default */
594 } else {
595 logoff_time = (time_t) atol(temp);
596 pdb_set_logoff_time(sampass, logoff_time, PDB_SET);
597 }
598
599 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
600 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_KICKOFF_TIME), temp)) {
601 /* leave as default */
602 } else {
603 kickoff_time = (time_t) atol(temp);
604 pdb_set_kickoff_time(sampass, kickoff_time, PDB_SET);
605 }
606
607 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
608 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_CAN_CHANGE), temp)) {
609 /* leave as default */
610 } else {
611 pass_can_change_time = (time_t) atol(temp);
612 pdb_set_pass_can_change_time(sampass, pass_can_change_time, PDB_SET);
613 }
614
615 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
616 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_MUST_CHANGE), temp)) {
617 /* leave as default */
618 } else {
619 pass_must_change_time = (time_t) atol(temp);
620 pdb_set_pass_must_change_time(sampass, pass_must_change_time, PDB_SET);
621 }
622
623 /* recommend that 'gecos' and 'displayName' should refer to the same
624 * attribute OID. userFullName depreciated, only used by Samba
625 * primary rules of LDAP: don't make a new attribute when one is already defined
626 * that fits your needs; using cn then displayName rather than 'userFullName'
627 */
628
629 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
630 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DISPLAY_NAME), fullname)) {
631 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
632 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_CN), fullname)) {
633 /* leave as default */
634 } else {
635 pdb_set_fullname(sampass, fullname, PDB_SET);
636 }
637 } else {
638 pdb_set_fullname(sampass, fullname, PDB_SET);
639 }
640
641 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
642 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_DRIVE), dir_drive))
643 {
644 pdb_set_dir_drive( sampass, lp_logon_drive(), PDB_DEFAULT );
645 } else {
646 pdb_set_dir_drive(sampass, dir_drive, PDB_SET);
647 }
648
649 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
650 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_PATH), homedir))
651 {
652 pdb_set_homedir( sampass,
653 talloc_sub_basic(sampass, username, domain,
654 lp_logon_home()),
655 PDB_DEFAULT );
656 } else {
657 pstrcpy( tmpstring, homedir );
658 if (expand_explicit) {
659 standard_sub_basic( username, domain, tmpstring,
660 sizeof(tmpstring) );
661 }
662 pdb_set_homedir(sampass, tmpstring, PDB_SET);
663 }
664
665 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
666 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_SCRIPT), logon_script))
667 {
668 pdb_set_logon_script( sampass,
669 talloc_sub_basic(sampass, username, domain,
670 lp_logon_script()),
671 PDB_DEFAULT );
672 } else {
673 pstrcpy( tmpstring, logon_script );
674 if (expand_explicit) {
675 standard_sub_basic( username, domain, tmpstring,
676 sizeof(tmpstring) );
677 }
678 pdb_set_logon_script(sampass, tmpstring, PDB_SET);
679 }
680
681 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
682 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PROFILE_PATH), profile_path))
683 {
684 pdb_set_profile_path( sampass,
685 talloc_sub_basic( sampass, username, domain,
686 lp_logon_path()),
687 PDB_DEFAULT );
688 } else {
689 pstrcpy( tmpstring, profile_path );
690 if (expand_explicit) {
691 standard_sub_basic( username, domain, tmpstring,
692 sizeof(tmpstring) );
693 }
694 pdb_set_profile_path(sampass, tmpstring, PDB_SET);
695 }
696
697 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
698 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DESC), acct_desc))
699 {
700 /* leave as default */
701 } else {
702 pdb_set_acct_desc(sampass, acct_desc, PDB_SET);
703 }
704
705 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
706 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_WKS), workstations)) {
707 /* leave as default */;
708 } else {
709 pdb_set_workstations(sampass, workstations, PDB_SET);
710 }
711
712 if (!smbldap_get_single_attribute(ldap_state->smbldap_state->ldap_struct, entry,
713 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_MUNGED_DIAL), munged_dial, sizeof(munged_dial))) {
714 /* leave as default */;
715 } else {
716 pdb_set_munged_dial(sampass, munged_dial, PDB_SET);
717 }
718
719 /* FIXME: hours stuff should be cleaner */
720
721 logon_divs = 168;
722 hours_len = 21;
723 memset(hours, 0xff, hours_len);
724
725 if (ldap_state->is_nds_ldap) {
726 char *user_dn;
727 size_t pwd_len;
728 char clear_text_pw[512];
729
730 /* Make call to Novell eDirectory ldap extension to get clear text password.
731 NOTE: This will only work if we have an SSL connection to eDirectory. */
732 user_dn = smbldap_get_dn(ldap_state->smbldap_state->ldap_struct, entry);
733 if (user_dn != NULL) {
734 DEBUG(3, ("init_sam_from_ldap: smbldap_get_dn(%s) returned '%s'\n", username, user_dn));
735
736 pwd_len = sizeof(clear_text_pw);
737 if (pdb_nds_get_password(ldap_state->smbldap_state, user_dn, &pwd_len, clear_text_pw) == LDAP_SUCCESS) {
738 nt_lm_owf_gen(clear_text_pw, smbntpwd, smblmpwd);
739 if (!pdb_set_lanman_passwd(sampass, smblmpwd, PDB_SET)) {
740 SAFE_FREE(user_dn);
741 return False;
742 }
743 ZERO_STRUCT(smblmpwd);
744 if (!pdb_set_nt_passwd(sampass, smbntpwd, PDB_SET)) {
745 SAFE_FREE(user_dn);
746 return False;
747 }
748 ZERO_STRUCT(smbntpwd);
749 use_samba_attrs = False;
750 }
751
752 SAFE_FREE(user_dn);
753
754 } else {
755 DEBUG(0, ("init_sam_from_ldap: failed to get user_dn for '%s'\n", username));
756 }
757 }
758
759 if (use_samba_attrs) {
760 if (!smbldap_get_single_pstring (ldap_state->smbldap_state->ldap_struct, entry,
761 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LMPW), temp)) {
762 /* leave as default */
763 } else {
764 pdb_gethexpwd(temp, smblmpwd);
765 memset((char *)temp, '\0', strlen(temp)+1);
766 if (!pdb_set_lanman_passwd(sampass, smblmpwd, PDB_SET))
767 return False;
768 ZERO_STRUCT(smblmpwd);
769 }
770
771 if (!smbldap_get_single_pstring (ldap_state->smbldap_state->ldap_struct, entry,
772 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_NTPW), temp)) {
773 /* leave as default */
774 } else {
775 pdb_gethexpwd(temp, smbntpwd);
776 memset((char *)temp, '\0', strlen(temp)+1);
777 if (!pdb_set_nt_passwd(sampass, smbntpwd, PDB_SET))
778 return False;
779 ZERO_STRUCT(smbntpwd);
780 }
781 }
782
783 pwHistLen = 0;
784
785 pdb_get_account_policy(AP_PASSWORD_HISTORY, &pwHistLen);
786 if (pwHistLen > 0){
787 uint8 *pwhist = NULL;
788 int i;
789 char history_string[MAX_PW_HISTORY_LEN*64];
790
791 pwHistLen = MIN(pwHistLen, MAX_PW_HISTORY_LEN);
792
793 if ((pwhist = SMB_MALLOC_ARRAY(uint8, pwHistLen * PW_HISTORY_ENTRY_LEN)) == NULL){
794 DEBUG(0, ("init_sam_from_ldap: malloc failed!\n"));
795 return False;
796 }
797 memset(pwhist, '\0', pwHistLen * PW_HISTORY_ENTRY_LEN);
798
799 if (!smbldap_get_single_attribute(ldap_state->smbldap_state->ldap_struct, entry,
800 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_HISTORY),
801 history_string, sizeof(history_string))) {
802 /* leave as default - zeros */
803 } else {
804 BOOL hex_failed = False;
805 for (i = 0; i < pwHistLen; i++){
806 /* Get the 16 byte salt. */
807 if (!pdb_gethexpwd(&history_string[i*64], &pwhist[i*PW_HISTORY_ENTRY_LEN])) {
808 hex_failed = True;
809 break;
810 }
811 /* Get the 16 byte MD5 hash of salt+passwd. */
812 if (!pdb_gethexpwd(&history_string[(i*64)+32],
813 &pwhist[(i*PW_HISTORY_ENTRY_LEN)+PW_HISTORY_SALT_LEN])) {
814 hex_failed = True;
815 break;
816 }
817 }
818 if (hex_failed) {
819 DEBUG(0,("init_sam_from_ldap: Failed to get password history for user %s\n",
820 username));
821 memset(pwhist, '\0', pwHistLen * PW_HISTORY_ENTRY_LEN);
822 }
823 }
824 if (!pdb_set_pw_history(sampass, pwhist, pwHistLen, PDB_SET)){
825 SAFE_FREE(pwhist);
826 return False;
827 }
828 SAFE_FREE(pwhist);
829 }
830
831 if (!smbldap_get_single_pstring (ldap_state->smbldap_state->ldap_struct, entry,
832 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_ACB_INFO), temp)) {
833 acct_ctrl |= ACB_NORMAL;
834 } else {
835 acct_ctrl = pdb_decode_acct_ctrl(temp);
836
837 if (acct_ctrl == 0)
838 acct_ctrl |= ACB_NORMAL;
839
840 pdb_set_acct_ctrl(sampass, acct_ctrl, PDB_SET);
841 }
842
843 pdb_set_hours_len(sampass, hours_len, PDB_SET);
844 pdb_set_logon_divs(sampass, logon_divs, PDB_SET);
845
846 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
847 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_BAD_PASSWORD_COUNT), temp)) {
848 /* leave as default */
849 } else {
850 bad_password_count = (uint32) atol(temp);
851 pdb_set_bad_password_count(sampass, bad_password_count, PDB_SET);
852 }
853
854 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
855 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_BAD_PASSWORD_TIME), temp)) {
856 /* leave as default */
857 } else {
858 bad_password_time = (time_t) atol(temp);
859 pdb_set_bad_password_time(sampass, bad_password_time, PDB_SET);
860 }
861
862
863 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
864 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_COUNT), temp)) {
865 /* leave as default */
866 } else {
867 logon_count = (uint32) atol(temp);
868 pdb_set_logon_count(sampass, logon_count, PDB_SET);
869 }
870
871 /* pdb_set_unknown_6(sampass, unknown6, PDB_SET); */
872
873 if(!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
874 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_HOURS), temp)) {
875 /* leave as default */
876 } else {
877 pdb_gethexhours(temp, hours);
878 memset((char *)temp, '\0', strlen(temp) +1);
879 pdb_set_hours(sampass, hours, PDB_SET);
880 ZERO_STRUCT(hours);
881 }
882
883 if (lp_parm_bool(-1, "ldapsam", "trusted", False)) {
884 if (smbldap_get_single_pstring(priv2ld(ldap_state), entry,
885 "uidNumber", temp)) {
886 /* We've got a uid, feed the cache */
887 uid_t uid = strtoul(temp, NULL, 10);
888 store_uid_sid_cache(pdb_get_user_sid(sampass), uid);
889 }
890 }
891
892 /* check the timestamp of the cache vs ldap entry */
893 if (!(ldap_entry_time = ldapsam_get_entry_timestamp(ldap_state,
894 entry)))
895 return True;
896
897 /* see if we have newer updates */
898 if (!(cache_entry = login_cache_read(sampass))) {
899 DEBUG (9, ("No cache entry, bad count = %u, bad time = %u\n",
900 (unsigned int)pdb_get_bad_password_count(sampass),
901 (unsigned int)pdb_get_bad_password_time(sampass)));
902 return True;
903 }
904
905 DEBUG(7, ("ldap time is %u, cache time is %u, bad time = %u\n",
906 (unsigned int)ldap_entry_time, (unsigned int)cache_entry->entry_timestamp,
907 (unsigned int)cache_entry->bad_password_time));
908
909 if (ldap_entry_time > cache_entry->entry_timestamp) {
910 /* cache is older than directory , so
911 we need to delete the entry but allow the
912 fields to be written out */
913 login_cache_delentry(sampass);
914 } else {
915 /* read cache in */
916 pdb_set_acct_ctrl(sampass,
917 pdb_get_acct_ctrl(sampass) |
918 (cache_entry->acct_ctrl & ACB_AUTOLOCK),
919 PDB_SET);
920 pdb_set_bad_password_count(sampass,
921 cache_entry->bad_password_count,
922 PDB_SET);
923 pdb_set_bad_password_time(sampass,
924 cache_entry->bad_password_time,
925 PDB_SET);
926 }
927
928 SAFE_FREE(cache_entry);
929 return True;
930 }
931
932 /**********************************************************************
933 Initialize the ldap db from a struct samu. Called on update.
934 (Based on init_buffer_from_sam in pdb_tdb.c)
935 *********************************************************************/
936
937 static BOOL init_ldap_from_sam (struct ldapsam_privates *ldap_state,
938 LDAPMessage *existing,
939 LDAPMod *** mods, struct samu * sampass,
940 BOOL (*need_update)(const struct samu *,
941 enum pdb_elements))
942 {
943 pstring temp;
944 uint32 rid;
945
946 if (mods == NULL || sampass == NULL) {
947 DEBUG(0, ("init_ldap_from_sam: NULL parameters found!\n"));
948 return False;
949 }
950
951 *mods = NULL;
952
953 /*
954 * took out adding "objectclass: sambaAccount"
955 * do this on a per-mod basis
956 */
957 if (need_update(sampass, PDB_USERNAME)) {
958 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
959 "uid", pdb_get_username(sampass));
960 if (ldap_state->is_nds_ldap) {
961 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
962 "cn", pdb_get_username(sampass));
963 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
964 "sn", pdb_get_username(sampass));
965 }
966 }
967
968 DEBUG(2, ("init_ldap_from_sam: Setting entry for user: %s\n", pdb_get_username(sampass)));
969
970 /* only update the RID if we actually need to */
971 if (need_update(sampass, PDB_USERSID)) {
972 fstring sid_string;
973 const DOM_SID *user_sid = pdb_get_user_sid(sampass);
974
975 switch ( ldap_state->schema_ver ) {
976 case SCHEMAVER_SAMBAACCOUNT:
977 if (!sid_peek_check_rid(&ldap_state->domain_sid, user_sid, &rid)) {
978 DEBUG(1, ("init_ldap_from_sam: User's SID (%s) is not for this domain (%s), cannot add to LDAP!\n",
979 sid_string_static(user_sid),
980 sid_string_static(&ldap_state->domain_sid)));
981 return False;
982 }
983 slprintf(temp, sizeof(temp) - 1, "%i", rid);
984 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
985 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_RID),
986 temp);
987 break;
988
989 case SCHEMAVER_SAMBASAMACCOUNT:
990 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
991 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_SID),
992 sid_to_string(sid_string, user_sid));
993 break;
994
995 default:
996 DEBUG(0,("init_ldap_from_sam: unknown schema version specified\n"));
997 break;
998 }
999 }
1000
1001 /* we don't need to store the primary group RID - so leaving it
1002 'free' to hang off the unix primary group makes life easier */
1003
1004 if (need_update(sampass, PDB_GROUPSID)) {
1005 fstring sid_string;
1006 const DOM_SID *group_sid = pdb_get_group_sid(sampass);
1007
1008 switch ( ldap_state->schema_ver ) {
1009 case SCHEMAVER_SAMBAACCOUNT:
1010 if (!sid_peek_check_rid(&ldap_state->domain_sid, group_sid, &rid)) {
1011 DEBUG(1, ("init_ldap_from_sam: User's Primary Group SID (%s) is not for this domain (%s), cannot add to LDAP!\n",
1012 sid_string_static(group_sid),
1013 sid_string_static(&ldap_state->domain_sid)));
1014 return False;
1015 }
1016
1017 slprintf(temp, sizeof(temp) - 1, "%i", rid);
1018 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1019 get_userattr_key2string(ldap_state->schema_ver,
1020 LDAP_ATTR_PRIMARY_GROUP_RID), temp);
1021 break;
1022
1023 case SCHEMAVER_SAMBASAMACCOUNT:
1024 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1025 get_userattr_key2string(ldap_state->schema_ver,
1026 LDAP_ATTR_PRIMARY_GROUP_SID), sid_to_string(sid_string, group_sid));
1027 break;
1028
1029 default:
1030 DEBUG(0,("init_ldap_from_sam: unknown schema version specified\n"));
1031 break;
1032 }
1033
1034 }
1035
1036 /* displayName, cn, and gecos should all be the same
1037 * most easily accomplished by giving them the same OID
1038 * gecos isn't set here b/c it should be handled by the
1039 * add-user script
1040 * We change displayName only and fall back to cn if
1041 * it does not exist.
1042 */
1043
1044 if (need_update(sampass, PDB_FULLNAME))
1045 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1046 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DISPLAY_NAME),
1047 pdb_get_fullname(sampass));
1048
1049 if (need_update(sampass, PDB_ACCTDESC))
1050 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1051 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DESC),
1052 pdb_get_acct_desc(sampass));
1053
1054 if (need_update(sampass, PDB_WORKSTATIONS))
1055 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1056 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_WKS),
1057 pdb_get_workstations(sampass));
1058
1059 if (need_update(sampass, PDB_MUNGEDDIAL))
1060 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1061 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_MUNGED_DIAL),
1062 pdb_get_munged_dial(sampass));
1063
1064 if (need_update(sampass, PDB_SMBHOME))
1065 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1066 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_PATH),
1067 pdb_get_homedir(sampass));
1068
1069 if (need_update(sampass, PDB_DRIVE))
1070 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1071 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_DRIVE),
1072 pdb_get_dir_drive(sampass));
1073
1074 if (need_update(sampass, PDB_LOGONSCRIPT))
1075 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1076 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_SCRIPT),
1077 pdb_get_logon_script(sampass));
1078
1079 if (need_update(sampass, PDB_PROFILE))
1080 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1081 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PROFILE_PATH),
1082 pdb_get_profile_path(sampass));
1083
1084 slprintf(temp, sizeof(temp) - 1, "%li", pdb_get_logon_time(sampass));
1085 if (need_update(sampass, PDB_LOGONTIME))
1086 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1087 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_TIME), temp);
1088
1089 slprintf(temp, sizeof(temp) - 1, "%li", pdb_get_logoff_time(sampass));
1090 if (need_update(sampass, PDB_LOGOFFTIME))
1091 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1092 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGOFF_TIME), temp);
1093
1094 slprintf (temp, sizeof (temp) - 1, "%li", pdb_get_kickoff_time(sampass));
1095 if (need_update(sampass, PDB_KICKOFFTIME))
1096 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1097 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_KICKOFF_TIME), temp);
1098
1099 slprintf (temp, sizeof (temp) - 1, "%li", pdb_get_pass_can_change_time_noncalc(sampass));
1100 if (need_update(sampass, PDB_CANCHANGETIME))
1101 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1102 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_CAN_CHANGE), temp);
1103
1104 slprintf (temp, sizeof (temp) - 1, "%li", pdb_get_pass_must_change_time(sampass));
1105 if (need_update(sampass, PDB_MUSTCHANGETIME))
1106 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1107 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_MUST_CHANGE), temp);
1108
1109
1110 if ((pdb_get_acct_ctrl(sampass)&(ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST))
1111 || (lp_ldap_passwd_sync()!=LDAP_PASSWD_SYNC_ONLY)) {
1112
1113 if (need_update(sampass, PDB_LMPASSWD)) {
1114 const uchar *lm_pw = pdb_get_lanman_passwd(sampass);
1115 if (lm_pw) {
1116 pdb_sethexpwd(temp, lm_pw,
1117 pdb_get_acct_ctrl(sampass));
1118 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1119 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LMPW),
1120 temp);
1121 } else {
1122 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1123 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LMPW),
1124 NULL);
1125 }
1126 }
1127 if (need_update(sampass, PDB_NTPASSWD)) {
1128 const uchar *nt_pw = pdb_get_nt_passwd(sampass);
1129 if (nt_pw) {
1130 pdb_sethexpwd(temp, nt_pw,
1131 pdb_get_acct_ctrl(sampass));
1132 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1133 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_NTPW),
1134 temp);
1135 } else {
1136 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1137 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_NTPW),
1138 NULL);
1139 }
1140 }
1141
1142 if (need_update(sampass, PDB_PWHISTORY)) {
1143 uint32 pwHistLen = 0;
1144 pdb_get_account_policy(AP_PASSWORD_HISTORY, &pwHistLen);
1145 if (pwHistLen == 0) {
1146 /* Remove any password history from the LDAP store. */
1147 memset(temp, '0', 64); /* NOTE !!!! '0' *NOT '\0' */
1148 temp[64] = '\0';
1149 } else {
1150 int i;
1151 uint32 currHistLen = 0;
1152 const uint8 *pwhist = pdb_get_pw_history(sampass, &currHistLen);
1153 if (pwhist != NULL) {
1154 /* We can only store (sizeof(pstring)-1)/64 password history entries. */
1155 pwHistLen = MIN(pwHistLen, ((sizeof(temp)-1)/64));
1156 for (i=0; i< pwHistLen && i < currHistLen; i++) {
1157 /* Store the salt. */
1158 pdb_sethexpwd(&temp[i*64], &pwhist[i*PW_HISTORY_ENTRY_LEN], 0);
1159 /* Followed by the md5 hash of salt + md4 hash */
1160 pdb_sethexpwd(&temp[(i*64)+32],
1161 &pwhist[(i*PW_HISTORY_ENTRY_LEN)+PW_HISTORY_SALT_LEN], 0);
1162 DEBUG(100, ("temp=%s\n", temp));
1163 }
1164 }
1165 }
1166 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1167 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_HISTORY),
1168 temp);
1169 }
1170
1171 if (need_update(sampass, PDB_PASSLASTSET)) {
1172 slprintf (temp, sizeof (temp) - 1, "%li", pdb_get_pass_last_set_time(sampass));
1173 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1174 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_LAST_SET),
1175 temp);
1176 }
1177 }
1178
1179 if (need_update(sampass, PDB_HOURS)) {
1180 const uint8 *hours = pdb_get_hours(sampass);
1181 if (hours) {
1182 pdb_sethexhours(temp, hours);
1183 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct,
1184 existing,
1185 mods,
1186 get_userattr_key2string(ldap_state->schema_ver,
1187 LDAP_ATTR_LOGON_HOURS),
1188 temp);
1189 }
1190 }
1191
1192 if (need_update(sampass, PDB_ACCTCTRL))
1193 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1194 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_ACB_INFO),
1195 pdb_encode_acct_ctrl (pdb_get_acct_ctrl(sampass), NEW_PW_FORMAT_SPACE_PADDED_LEN));
1196
1197 /* password lockout cache:
1198 - If we are now autolocking or clearing, we write to ldap
1199 - If we are clearing, we delete the cache entry
1200 - If the count is > 0, we update the cache
1201
1202 This even means when autolocking, we cache, just in case the
1203 update doesn't work, and we have to cache the autolock flag */
1204
1205 if (need_update(sampass, PDB_BAD_PASSWORD_COUNT)) /* &&
1206 need_update(sampass, PDB_BAD_PASSWORD_TIME)) */ {
1207 uint16 badcount = pdb_get_bad_password_count(sampass);
1208 time_t badtime = pdb_get_bad_password_time(sampass);
1209 uint32 pol;
1210 pdb_get_account_policy(AP_BAD_ATTEMPT_LOCKOUT, &pol);
1211
1212 DEBUG(3, ("updating bad password fields, policy=%u, count=%u, time=%u\n",
1213 (unsigned int)pol, (unsigned int)badcount, (unsigned int)badtime));
1214
1215 if ((badcount >= pol) || (badcount == 0)) {
1216 DEBUG(7, ("making mods to update ldap, count=%u, time=%u\n",
1217 (unsigned int)badcount, (unsigned int)badtime));
1218 slprintf (temp, sizeof (temp) - 1, "%li", (long)badcount);
1219 smbldap_make_mod(
1220 ldap_state->smbldap_state->ldap_struct,
1221 existing, mods,
1222 get_userattr_key2string(
1223 ldap_state->schema_ver,
1224 LDAP_ATTR_BAD_PASSWORD_COUNT),
1225 temp);
1226
1227 slprintf (temp, sizeof (temp) - 1, "%li", badtime);
1228 smbldap_make_mod(
1229 ldap_state->smbldap_state->ldap_struct,
1230 existing, mods,
1231 get_userattr_key2string(
1232 ldap_state->schema_ver,
1233 LDAP_ATTR_BAD_PASSWORD_TIME),
1234 temp);
1235 }
1236 if (badcount == 0) {
1237 DEBUG(7, ("bad password count is reset, deleting login cache entry for %s\n", pdb_get_nt_username(sampass)));
1238 login_cache_delentry(sampass);
1239 } else {
1240 LOGIN_CACHE cache_entry;
1241
1242 cache_entry.entry_timestamp = time(NULL);
1243 cache_entry.acct_ctrl = pdb_get_acct_ctrl(sampass);
1244 cache_entry.bad_password_count = badcount;
1245 cache_entry.bad_password_time = badtime;
1246
1247 DEBUG(7, ("Updating bad password count and time in login cache\n"));
1248 login_cache_write(sampass, cache_entry);
1249 }
1250 }
1251
1252 return True;
1253 }
1254
1255 /**********************************************************************
1256 Connect to LDAP server for password enumeration.
1257 *********************************************************************/
1258
1259 static NTSTATUS ldapsam_setsampwent(struct pdb_methods *my_methods, BOOL update, uint32 acb_mask)
1260 {
1261 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1262 int rc;
1263 pstring filter, suffix;
1264 const char **attr_list;
1265 BOOL machine_mask = False, user_mask = False;
1266
1267 pstr_sprintf( filter, "(&%s%s)", "(uid=%u)",
1268 get_objclass_filter(ldap_state->schema_ver));
1269 all_string_sub(filter, "%u", "*", sizeof(pstring));
1270
1271 machine_mask = ((acb_mask != 0) && (acb_mask & (ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)));
1272 user_mask = ((acb_mask != 0) && (acb_mask & ACB_NORMAL));
1273
1274 if (machine_mask) {
1275 pstrcpy(suffix, lp_ldap_machine_suffix());
1276 } else if (user_mask) {
1277 pstrcpy(suffix, lp_ldap_user_suffix());
1278 } else {
1279 pstrcpy(suffix, lp_ldap_suffix());
1280 }
1281
1282 DEBUG(10,("ldapsam_setsampwent: LDAP Query for acb_mask 0x%x will use suffix %s\n",
1283 acb_mask, suffix));
1284
1285 attr_list = get_userattr_list(NULL, ldap_state->schema_ver);
1286 rc = smbldap_search(ldap_state->smbldap_state, suffix, LDAP_SCOPE_SUBTREE, filter,
1287 attr_list, 0, &ldap_state->result);
1288 TALLOC_FREE( attr_list );
1289
1290 if (rc != LDAP_SUCCESS) {
1291 DEBUG(0, ("ldapsam_setsampwent: LDAP search failed: %s\n", ldap_err2string(rc)));
1292 DEBUG(3, ("ldapsam_setsampwent: Query was: %s, %s\n", suffix, filter));
1293 ldap_msgfree(ldap_state->result);
1294 ldap_state->result = NULL;
1295 return NT_STATUS_UNSUCCESSFUL;
1296 }
1297
1298 DEBUG(2, ("ldapsam_setsampwent: %d entries in the base %s\n",
1299 ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
1300 ldap_state->result), suffix));
1301
1302 ldap_state->entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
1303 ldap_state->result);
1304 ldap_state->index = 0;
1305
1306 return NT_STATUS_OK;
1307 }
1308
1309 /**********************************************************************
1310 End enumeration of the LDAP password list.
1311 *********************************************************************/
1312
1313 static void ldapsam_endsampwent(struct pdb_methods *my_methods)
1314 {
1315 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1316 if (ldap_state->result) {
1317 ldap_msgfree(ldap_state->result);
1318 ldap_state->result = NULL;
1319 }
1320 }
1321
1322 /**********************************************************************
1323 Get the next entry in the LDAP password database.
1324 *********************************************************************/
1325
1326 static NTSTATUS ldapsam_getsampwent(struct pdb_methods *my_methods,
1327 struct samu *user)
1328 {
1329 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1330 struct ldapsam_privates *ldap_state =
1331 (struct ldapsam_privates *)my_methods->private_data;
1332 BOOL bret = False;
1333
1334 while (!bret) {
1335 if (!ldap_state->entry)
1336 return ret;
1337
1338 ldap_state->index++;
1339 bret = init_sam_from_ldap(ldap_state, user, ldap_state->entry);
1340
1341 ldap_state->entry = ldap_next_entry(priv2ld(ldap_state),
1342 ldap_state->entry);
1343 }
1344
1345 return NT_STATUS_OK;
1346 }
1347
1348 static void append_attr(TALLOC_CTX *mem_ctx, const char ***attr_list,
1349 const char *new_attr)
1350 {
1351 int i;
1352
1353 if (new_attr == NULL) {
1354 return;
1355 }
1356
1357 for (i=0; (*attr_list)[i] != NULL; i++) {
1358 ;
1359 }
1360
1361 (*attr_list) = TALLOC_REALLOC_ARRAY(mem_ctx, (*attr_list),
1362 const char *, i+2);
1363 SMB_ASSERT((*attr_list) != NULL);
1364 (*attr_list)[i] = talloc_strdup((*attr_list), new_attr);
1365 (*attr_list)[i+1] = NULL;
1366 }
1367
1368 /**********************************************************************
1369 Get struct samu entry from LDAP by username.
1370 *********************************************************************/
1371
1372 static NTSTATUS ldapsam_getsampwnam(struct pdb_methods *my_methods, struct samu *user, const char *sname)
1373 {
1374 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1375 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1376 LDAPMessage *result = NULL;
1377 LDAPMessage *entry = NULL;
1378 int count;
1379 const char ** attr_list;
1380 int rc;
1381
1382 attr_list = get_userattr_list( user, ldap_state->schema_ver );
1383 append_attr(user, &attr_list,
1384 get_userattr_key2string(ldap_state->schema_ver,
1385 LDAP_ATTR_MOD_TIMESTAMP));
1386 append_attr(user, &attr_list, "uidNumber");
1387 rc = ldapsam_search_suffix_by_name(ldap_state, sname, &result,
1388 attr_list);
1389 TALLOC_FREE( attr_list );
1390
1391 if ( rc != LDAP_SUCCESS )
1392 return NT_STATUS_NO_SUCH_USER;
1393
1394 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
1395
1396 if (count < 1) {
1397 DEBUG(4, ("ldapsam_getsampwnam: Unable to locate user [%s] count=%d\n", sname, count));
1398 ldap_msgfree(result);
1399 return NT_STATUS_NO_SUCH_USER;
1400 } else if (count > 1) {
1401 DEBUG(1, ("ldapsam_getsampwnam: Duplicate entries for this user [%s] Failing. count=%d\n", sname, count));
1402 ldap_msgfree(result);
1403 return NT_STATUS_NO_SUCH_USER;
1404 }
1405
1406 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1407 if (entry) {
1408 if (!init_sam_from_ldap(ldap_state, user, entry)) {
1409 DEBUG(1,("ldapsam_getsampwnam: init_sam_from_ldap failed for user '%s'!\n", sname));
1410 ldap_msgfree(result);
1411 return NT_STATUS_NO_SUCH_USER;
1412 }
1413 pdb_set_backend_private_data(user, result, NULL,
1414 my_methods, PDB_CHANGED);
1415 talloc_autofree_ldapmsg(user, result);
1416 ret = NT_STATUS_OK;
1417 } else {
1418 ldap_msgfree(result);
1419 }
1420 return ret;
1421 }
1422
1423 static int ldapsam_get_ldap_user_by_sid(struct ldapsam_privates *ldap_state,
1424 const DOM_SID *sid, LDAPMessage **result)
1425 {
1426 int rc = -1;
1427 const char ** attr_list;
1428 uint32 rid;
1429
1430 switch ( ldap_state->schema_ver ) {
1431 case SCHEMAVER_SAMBASAMACCOUNT: {
1432 TALLOC_CTX *tmp_ctx = talloc_new(NULL);
1433 if (tmp_ctx == NULL) {
1434 return LDAP_NO_MEMORY;
1435 }
1436
1437 attr_list = get_userattr_list(tmp_ctx,
1438 ldap_state->schema_ver);
1439 append_attr(tmp_ctx, &attr_list,
1440 get_userattr_key2string(
1441 ldap_state->schema_ver,
1442 LDAP_ATTR_MOD_TIMESTAMP));
1443 append_attr(tmp_ctx, &attr_list, "uidNumber");
1444 rc = ldapsam_search_suffix_by_sid(ldap_state, sid,
1445 result, attr_list);
1446 TALLOC_FREE(tmp_ctx);
1447
1448 if ( rc != LDAP_SUCCESS )
1449 return rc;
1450 break;
1451 }
1452
1453 case SCHEMAVER_SAMBAACCOUNT:
1454 if (!sid_peek_check_rid(&ldap_state->domain_sid, sid, &rid)) {
1455 return rc;
1456 }
1457
1458 attr_list = get_userattr_list(NULL,
1459 ldap_state->schema_ver);
1460 rc = ldapsam_search_suffix_by_rid(ldap_state, rid, result, attr_list );
1461 TALLOC_FREE( attr_list );
1462
1463 if ( rc != LDAP_SUCCESS )
1464 return rc;
1465 break;
1466 }
1467 return rc;
1468 }
1469
1470 /**********************************************************************
1471 Get struct samu entry from LDAP by SID.
1472 *********************************************************************/
1473
1474 static NTSTATUS ldapsam_getsampwsid(struct pdb_methods *my_methods, struct samu * user, const DOM_SID *sid)
1475 {
1476 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1477 LDAPMessage *result = NULL;
1478 LDAPMessage *entry = NULL;
1479 int count;
1480 int rc;
1481 fstring sid_string;
1482
1483 rc = ldapsam_get_ldap_user_by_sid(ldap_state,
1484 sid, &result);
1485 if (rc != LDAP_SUCCESS)
1486 return NT_STATUS_NO_SUCH_USER;
1487
1488 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
1489
1490 if (count < 1) {
1491 DEBUG(4, ("ldapsam_getsampwsid: Unable to locate SID [%s] count=%d\n", sid_to_string(sid_string, sid),
1492 count));
1493 ldap_msgfree(result);
1494 return NT_STATUS_NO_SUCH_USER;
1495 } else if (count > 1) {
1496 DEBUG(1, ("ldapsam_getsampwsid: More than one user with SID [%s]. Failing. count=%d\n", sid_to_string(sid_string, sid),
1497 count));
1498 ldap_msgfree(result);
1499 return NT_STATUS_NO_SUCH_USER;
1500 }
1501
1502 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1503 if (!entry) {
1504 ldap_msgfree(result);
1505 return NT_STATUS_NO_SUCH_USER;
1506 }
1507
1508 if (!init_sam_from_ldap(ldap_state, user, entry)) {
1509 DEBUG(1,("ldapsam_getsampwsid: init_sam_from_ldap failed!\n"));
1510 ldap_msgfree(result);
1511 return NT_STATUS_NO_SUCH_USER;
1512 }
1513
1514 pdb_set_backend_private_data(user, result, NULL,
1515 my_methods, PDB_CHANGED);
1516 talloc_autofree_ldapmsg(user, result);
1517 return NT_STATUS_OK;
1518 }
1519
1520 /********************************************************************
1521 Do the actual modification - also change a plaintext passord if
1522 it it set.
1523 **********************************************************************/
1524
1525 static NTSTATUS ldapsam_modify_entry(struct pdb_methods *my_methods,
1526 struct samu *newpwd, char *dn,
1527 LDAPMod **mods, int ldap_op,
1528 BOOL (*need_update)(const struct samu *, enum pdb_elements))
1529 {
1530 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1531 int rc;
1532
1533 if (!newpwd || !dn) {
1534 return NT_STATUS_INVALID_PARAMETER;
1535 }
1536
1537 if (!mods) {
1538 DEBUG(5,("ldapsam_modify_entry: mods is empty: nothing to modify\n"));
1539 /* may be password change below however */
1540 } else {
1541 switch(ldap_op) {
1542 case LDAP_MOD_ADD:
1543 if (ldap_state->is_nds_ldap) {
1544 smbldap_set_mod(&mods, LDAP_MOD_ADD,
1545 "objectclass",
1546 "inetOrgPerson");
1547 } else {
1548 smbldap_set_mod(&mods, LDAP_MOD_ADD,
1549 "objectclass",
1550 LDAP_OBJ_ACCOUNT);
1551 }
1552 rc = smbldap_add(ldap_state->smbldap_state,
1553 dn, mods);
1554 break;
1555 case LDAP_MOD_REPLACE:
1556 rc = smbldap_modify(ldap_state->smbldap_state,
1557 dn ,mods);
1558 break;
1559 default:
1560 DEBUG(0,("ldapsam_modify_entry: Wrong LDAP operation type: %d!\n",
1561 ldap_op));
1562 return NT_STATUS_INVALID_PARAMETER;
1563 }
1564
1565 if (rc!=LDAP_SUCCESS) {
1566 return NT_STATUS_UNSUCCESSFUL;
1567 }
1568 }
1569
1570 if (!(pdb_get_acct_ctrl(newpwd)&(ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)) &&
1571 (lp_ldap_passwd_sync() != LDAP_PASSWD_SYNC_OFF) &&
1572 need_update(newpwd, PDB_PLAINTEXT_PW) &&
1573 (pdb_get_plaintext_passwd(newpwd)!=NULL)) {
1574 BerElement *ber;
1575 struct berval *bv;
1576 char *retoid = NULL;
1577 struct berval *retdata = NULL;
1578 char *utf8_password;
1579 char *utf8_dn;
1580
1581 if (!ldap_state->is_nds_ldap) {
1582
1583 if (!smbldap_has_extension(ldap_state->smbldap_state->ldap_struct,
1584 LDAP_EXOP_MODIFY_PASSWD)) {
1585 DEBUG(2, ("ldap password change requested, but LDAP "
1586 "server does not support it -- ignoring\n"));
1587 return NT_STATUS_OK;
1588 }
1589 }
1590
1591 if (push_utf8_allocate(&utf8_password, pdb_get_plaintext_passwd(newpwd)) == (size_t)-1) {
1592 return NT_STATUS_NO_MEMORY;
1593 }
1594
1595 if (push_utf8_allocate(&utf8_dn, dn) == (size_t)-1) {
1596 SAFE_FREE(utf8_password);
1597 return NT_STATUS_NO_MEMORY;
1598 }
1599
1600 if ((ber = ber_alloc_t(LBER_USE_DER))==NULL) {
1601 DEBUG(0,("ber_alloc_t returns NULL\n"));
1602 SAFE_FREE(utf8_password);
1603 SAFE_FREE(utf8_dn);
1604 return NT_STATUS_UNSUCCESSFUL;
1605 }
1606
1607 ber_printf (ber, "{");
1608 ber_printf (ber, "ts", LDAP_TAG_EXOP_MODIFY_PASSWD_ID, utf8_dn);
1609 ber_printf (ber, "ts", LDAP_TAG_EXOP_MODIFY_PASSWD_NEW, utf8_password);
1610 ber_printf (ber, "N}");
1611
1612 if ((rc = ber_flatten (ber, &bv))<0) {
1613 DEBUG(0,("ldapsam_modify_entry: ber_flatten returns a value <0\n"));
1614 ber_free(ber,1);
1615 SAFE_FREE(utf8_dn);
1616 SAFE_FREE(utf8_password);
1617 return NT_STATUS_UNSUCCESSFUL;
1618 }
1619
1620 SAFE_FREE(utf8_dn);
1621 SAFE_FREE(utf8_password);
1622 ber_free(ber, 1);
1623
1624 if (!ldap_state->is_nds_ldap) {
1625 rc = smbldap_extended_operation(ldap_state->smbldap_state,
1626 LDAP_EXOP_MODIFY_PASSWD,
1627 bv, NULL, NULL, &retoid,
1628 &retdata);
1629 } else {
1630 rc = pdb_nds_set_password(ldap_state->smbldap_state, dn,
1631 pdb_get_plaintext_passwd(newpwd));
1632 }
1633 if (rc != LDAP_SUCCESS) {
1634 char *ld_error = NULL;
1635
1636 if (rc == LDAP_OBJECT_CLASS_VIOLATION) {
1637 DEBUG(3, ("Could not set userPassword "
1638 "attribute due to an objectClass "
1639 "violation -- ignoring\n"));
1640 ber_bvfree(bv);
1641 return NT_STATUS_OK;
1642 }
1643
1644 ldap_get_option(ldap_state->smbldap_state->ldap_struct, LDAP_OPT_ERROR_STRING,
1645 &ld_error);
1646 DEBUG(0,("ldapsam_modify_entry: LDAP Password could not be changed for user %s: %s\n\t%s\n",
1647 pdb_get_username(newpwd), ldap_err2string(rc), ld_error?ld_error:"unknown"));
1648 SAFE_FREE(ld_error);
1649 ber_bvfree(bv);
1650 return NT_STATUS_UNSUCCESSFUL;
1651 } else {
1652 DEBUG(3,("ldapsam_modify_entry: LDAP Password changed for user %s\n",pdb_get_username(newpwd)));
1653 #ifdef DEBUG_PASSWORD
1654 DEBUG(100,("ldapsam_modify_entry: LDAP Password changed to %s\n",pdb_get_plaintext_passwd(newpwd)));
1655 #endif
1656 if (retdata)
1657 ber_bvfree(retdata);
1658 if (retoid)
1659 ldap_memfree(retoid);
1660 }
1661 ber_bvfree(bv);
1662 }
1663 return NT_STATUS_OK;
1664 }
1665
1666 /**********************************************************************
1667 Delete entry from LDAP for username.
1668 *********************************************************************/
1669
1670 static NTSTATUS ldapsam_delete_sam_account(struct pdb_methods *my_methods,
1671 struct samu * sam_acct)
1672 {
1673 struct ldapsam_privates *priv =
1674 (struct ldapsam_privates *)my_methods->private_data;
1675 const char *sname;
1676 int rc;
1677 LDAPMessage *msg, *entry;
1678 NTSTATUS result = NT_STATUS_NO_MEMORY;
1679 const char **attr_list;
1680 TALLOC_CTX *mem_ctx;
1681
1682 if (!sam_acct) {
1683 DEBUG(0, ("ldapsam_delete_sam_account: sam_acct was NULL!\n"));
1684 return NT_STATUS_INVALID_PARAMETER;
1685 }
1686
1687 sname = pdb_get_username(sam_acct);
1688
1689 DEBUG(3, ("ldapsam_delete_sam_account: Deleting user %s from "
1690 "LDAP.\n", sname));
1691
1692 mem_ctx = talloc_new(NULL);
1693 if (mem_ctx == NULL) {
1694 DEBUG(0, ("talloc_new failed\n"));
1695 goto done;
1696 }
1697
1698 attr_list = get_userattr_delete_list(mem_ctx, priv->schema_ver );
1699 if (attr_list == NULL) {
1700 goto done;
1701 }
1702
1703 rc = ldapsam_search_suffix_by_name(priv, sname, &msg, attr_list);
1704
1705 if ((rc != LDAP_SUCCESS) ||
1706 (ldap_count_entries(priv2ld(priv), msg) != 1) ||
1707 ((entry = ldap_first_entry(priv2ld(priv), msg)) == NULL)) {
1708 DEBUG(5, ("Could not find user %s\n", sname));
1709 result = NT_STATUS_NO_SUCH_USER;
1710 goto done;
1711 }
1712
1713 rc = ldapsam_delete_entry(
1714 priv, mem_ctx, entry,
1715 priv->schema_ver == SCHEMAVER_SAMBASAMACCOUNT ?
1716 LDAP_OBJ_SAMBASAMACCOUNT : LDAP_OBJ_SAMBAACCOUNT,
1717 attr_list);
1718
1719 result = (rc == LDAP_SUCCESS) ?
1720 NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
1721
1722 done:
1723 TALLOC_FREE(mem_ctx);
1724 return result;
1725 }
1726
1727 /**********************************************************************
1728 Helper function to determine for update_sam_account whether
1729 we need LDAP modification.
1730 *********************************************************************/
1731
1732 static BOOL element_is_changed(const struct samu *sampass,
1733 enum pdb_elements element)
1734 {
1735 return IS_SAM_CHANGED(sampass, element);
1736 }
1737
1738 /**********************************************************************
1739 Update struct samu.
1740 *********************************************************************/
1741
1742 static NTSTATUS ldapsam_update_sam_account(struct pdb_methods *my_methods, struct samu * newpwd)
1743 {
1744 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1745 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1746 int rc = 0;
1747 char *dn;
1748 LDAPMessage *result = NULL;
1749 LDAPMessage *entry = NULL;
1750 LDAPMod **mods = NULL;
1751 const char **attr_list;
1752
1753 result = (LDAPMessage *)pdb_get_backend_private_data(newpwd, my_methods);
1754 if (!result) {
1755 attr_list = get_userattr_list(NULL, ldap_state->schema_ver);
1756 if (pdb_get_username(newpwd) == NULL) {
1757 return NT_STATUS_INVALID_PARAMETER;
1758 }
1759 rc = ldapsam_search_suffix_by_name(ldap_state, pdb_get_username(newpwd), &result, attr_list );
1760 TALLOC_FREE( attr_list );
1761 if (rc != LDAP_SUCCESS) {
1762 return NT_STATUS_UNSUCCESSFUL;
1763 }
1764 pdb_set_backend_private_data(newpwd, result, NULL,
1765 my_methods, PDB_CHANGED);
1766 talloc_autofree_ldapmsg(newpwd, result);
1767 }
1768
1769 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) == 0) {
1770 DEBUG(0, ("ldapsam_update_sam_account: No user to modify!\n"));
1771 return NT_STATUS_UNSUCCESSFUL;
1772 }
1773
1774 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1775 dn = smbldap_get_dn(ldap_state->smbldap_state->ldap_struct, entry);
1776 if (!dn) {
1777 return NT_STATUS_UNSUCCESSFUL;
1778 }
1779
1780 DEBUG(4, ("ldapsam_update_sam_account: user %s to be modified has dn: %s\n", pdb_get_username(newpwd), dn));
1781
1782 if (!init_ldap_from_sam(ldap_state, entry, &mods, newpwd,
1783 element_is_changed)) {
1784 DEBUG(0, ("ldapsam_update_sam_account: init_ldap_from_sam failed!\n"));
1785 SAFE_FREE(dn);
1786 if (mods != NULL)
1787 ldap_mods_free(mods,True);
1788 return NT_STATUS_UNSUCCESSFUL;
1789 }
1790
1791 if (mods == NULL) {
1792 DEBUG(4,("ldapsam_update_sam_account: mods is empty: nothing to update for user: %s\n",
1793 pdb_get_username(newpwd)));
1794 SAFE_FREE(dn);
1795 return NT_STATUS_OK;
1796 }
1797
1798 ret = ldapsam_modify_entry(my_methods,newpwd,dn,mods,LDAP_MOD_REPLACE, element_is_changed);
1799 ldap_mods_free(mods,True);
1800 SAFE_FREE(dn);
1801
1802 /*
1803 * We need to set the backend private data to NULL here. For example
1804 * setuserinfo level 25 does a pdb_update_sam_account twice on the
1805 * same one, and with the explicit delete / add logic for attribute
1806 * values the second time we would use the wrong "old" value which
1807 * does not exist in LDAP anymore. Thus the LDAP server would refuse
1808 * the update.
1809 * The existing LDAPMessage is still being auto-freed by the
1810 * destructor.
1811 */
1812 pdb_set_backend_private_data(newpwd, NULL, NULL, my_methods,
1813 PDB_CHANGED);
1814
1815 if (!NT_STATUS_IS_OK(ret)) {
1816 return ret;
1817 }
1818
1819 DEBUG(2, ("ldapsam_update_sam_account: successfully modified uid = %s in the LDAP database\n",
1820 pdb_get_username(newpwd)));
1821 return NT_STATUS_OK;
1822 }
1823
1824 /***************************************************************************
1825 Renames a struct samu
1826 - The "rename user script" has full responsibility for changing everything
1827 ***************************************************************************/
1828
1829 static NTSTATUS ldapsam_rename_sam_account(struct pdb_methods *my_methods,
1830 struct samu *old_acct,
1831 const char *newname)
1832 {
1833 const char *oldname;
1834 int rc;
1835 pstring rename_script;
1836 fstring oldname_lower, newname_lower;
1837
1838 if (!old_acct) {
1839 DEBUG(0, ("ldapsam_rename_sam_account: old_acct was NULL!\n"));
1840 return NT_STATUS_INVALID_PARAMETER;
1841 }
1842 if (!newname) {
1843 DEBUG(0, ("ldapsam_rename_sam_account: newname was NULL!\n"));
1844 return NT_STATUS_INVALID_PARAMETER;
1845 }
1846
1847 oldname = pdb_get_username(old_acct);
1848
1849 /* rename the posix user */
1850 pstrcpy(rename_script, lp_renameuser_script());
1851
1852 if (!(*rename_script))
1853 return NT_STATUS_ACCESS_DENIED;
1854
1855 DEBUG (3, ("ldapsam_rename_sam_account: Renaming user %s to %s.\n",
1856 oldname, newname));
1857
1858 /* We have to allow the account name to end with a '$'.
1859 Also, follow the semantics in _samr_create_user() and lower case the
1860 posix name but preserve the case in passdb */
1861
1862 fstrcpy( oldname_lower, oldname );
1863 strlower_m( oldname_lower );
1864 fstrcpy( newname_lower, newname );
1865 strlower_m( newname_lower );
1866 string_sub2(rename_script, "%unew", newname_lower, sizeof(pstring),
1867 True, False, True);
1868 string_sub2(rename_script, "%uold", oldname_lower, sizeof(pstring),
1869 True, False, True);
1870 rc = smbrun(rename_script, NULL);
1871
1872 DEBUG(rc ? 0 : 3,("Running the command `%s' gave %d\n",
1873 rename_script, rc));
1874
1875 if (rc == 0) {
1876 smb_nscd_flush_user_cache();
1877 }
1878
1879 if (rc)
1880 return NT_STATUS_UNSUCCESSFUL;
1881
1882 return NT_STATUS_OK;
1883 }
1884
1885 /**********************************************************************
1886 Helper function to determine for update_sam_account whether
1887 we need LDAP modification.
1888 *********************************************************************/
1889
1890 static BOOL element_is_set_or_changed(const struct samu *sampass,
1891 enum pdb_elements element)
1892 {
1893 return (IS_SAM_SET(sampass, element) ||
1894 IS_SAM_CHANGED(sampass, element));
1895 }
1896
1897 /**********************************************************************
1898 Add struct samu to LDAP.
1899 *********************************************************************/
1900
1901 static NTSTATUS ldapsam_add_sam_account(struct pdb_methods *my_methods, struct samu * newpwd)
1902 {
1903 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1904 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1905 int rc;
1906 LDAPMessage *result = NULL;
1907 LDAPMessage *entry = NULL;
1908 pstring dn;
1909 LDAPMod **mods = NULL;
1910 int ldap_op = LDAP_MOD_REPLACE;
1911 uint32 num_result;
1912 const char **attr_list;
1913 char *escape_user;
1914 const char *username = pdb_get_username(newpwd);
1915 const DOM_SID *sid = pdb_get_user_sid(newpwd);
1916 pstring filter;
1917 fstring sid_string;
1918
1919 if (!username || !*username) {
1920 DEBUG(0, ("ldapsam_add_sam_account: Cannot add user without a username!\n"));
1921 return NT_STATUS_INVALID_PARAMETER;
1922 }
1923
1924 /* free this list after the second search or in case we exit on failure */
1925 attr_list = get_userattr_list(NULL, ldap_state->schema_ver);
1926
1927 rc = ldapsam_search_suffix_by_name (ldap_state, username, &result, attr_list);
1928
1929 if (rc != LDAP_SUCCESS) {
1930 TALLOC_FREE( attr_list );
1931 return NT_STATUS_UNSUCCESSFUL;
1932 }
1933
1934 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) != 0) {
1935 DEBUG(0,("ldapsam_add_sam_account: User '%s' already in the base, with samba attributes\n",
1936 username));
1937 ldap_msgfree(result);
1938 TALLOC_FREE( attr_list );
1939 return NT_STATUS_UNSUCCESSFUL;
1940 }
1941 ldap_msgfree(result);
1942 result = NULL;
1943
1944 if (element_is_set_or_changed(newpwd, PDB_USERSID)) {
1945 rc = ldapsam_get_ldap_user_by_sid(ldap_state,
1946 sid, &result);
1947 if (rc == LDAP_SUCCESS) {
1948 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) != 0) {
1949 DEBUG(0,("ldapsam_add_sam_account: SID '%s' already in the base, with samba attributes\n",
1950 sid_to_string(sid_string, sid)));
1951 TALLOC_FREE( attr_list );
1952 ldap_msgfree(result);
1953 return NT_STATUS_UNSUCCESSFUL;
1954 }
1955 ldap_msgfree(result);
1956 }
1957 }
1958
1959 /* does the entry already exist but without a samba attributes?
1960 we need to return the samba attributes here */
1961
1962 escape_user = escape_ldap_string_alloc( username );
1963 pstrcpy( filter, "(uid=%u)" );
1964 all_string_sub( filter, "%u", escape_user, sizeof(filter) );
1965 SAFE_FREE( escape_user );
1966
1967 rc = smbldap_search_suffix(ldap_state->smbldap_state,
1968 filter, attr_list, &result);
1969 if ( rc != LDAP_SUCCESS ) {
1970 TALLOC_FREE( attr_list );
1971 return NT_STATUS_UNSUCCESSFUL;
1972 }
1973
1974 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
1975
1976 if (num_result > 1) {
1977 DEBUG (0, ("ldapsam_add_sam_account: More than one user with that uid exists: bailing out!\n"));
1978 TALLOC_FREE( attr_list );
1979 ldap_msgfree(result);
1980 return NT_STATUS_UNSUCCESSFUL;
1981 }
1982
1983 /* Check if we need to update an existing entry */
1984 if (num_result == 1) {
1985 char *tmp;
1986
1987 DEBUG(3,("ldapsam_add_sam_account: User exists without samba attributes: adding them\n"));
1988 ldap_op = LDAP_MOD_REPLACE;
1989 entry = ldap_first_entry (ldap_state->smbldap_state->ldap_struct, result);
1990 tmp = smbldap_get_dn (ldap_state->smbldap_state->ldap_struct, entry);
1991 if (!tmp) {
1992 TALLOC_FREE( attr_list );
1993 ldap_msgfree(result);
1994 return NT_STATUS_UNSUCCESSFUL;
1995 }
1996 slprintf (dn, sizeof (dn) - 1, "%s", tmp);
1997 SAFE_FREE(tmp);
1998
1999 } else if (ldap_state->schema_ver == SCHEMAVER_SAMBASAMACCOUNT) {
2000
2001 /* There might be a SID for this account already - say an idmap entry */
2002
2003 pstr_sprintf(filter, "(&(%s=%s)(|(objectClass=%s)(objectClass=%s)))",
2004 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_SID),
2005 sid_to_string(sid_string, sid),
2006 LDAP_OBJ_IDMAP_ENTRY,
2007 LDAP_OBJ_SID_ENTRY);
2008
2009 /* free old result before doing a new search */
2010 if (result != NULL) {
2011 ldap_msgfree(result);
2012 result = NULL;
2013 }
2014 rc = smbldap_search_suffix(ldap_state->smbldap_state,
2015 filter, attr_list, &result);
2016
2017 if ( rc != LDAP_SUCCESS ) {
2018 TALLOC_FREE( attr_list );
2019 return NT_STATUS_UNSUCCESSFUL;
2020 }
2021
2022 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
2023
2024 if (num_result > 1) {
2025 DEBUG (0, ("ldapsam_add_sam_account: More than one user with specified Sid exists: bailing out!\n"));
2026 TALLOC_FREE( attr_list );
2027 ldap_msgfree(result);
2028 return NT_STATUS_UNSUCCESSFUL;
2029 }
2030
2031 /* Check if we need to update an existing entry */
2032 if (num_result == 1) {
2033 char *tmp;
2034
2035 DEBUG(3,("ldapsam_add_sam_account: User exists without samba attributes: adding them\n"));
2036 ldap_op = LDAP_MOD_REPLACE;
2037 entry = ldap_first_entry (ldap_state->smbldap_state->ldap_struct, result);
2038 tmp = smbldap_get_dn (ldap_state->smbldap_state->ldap_struct, entry);
2039 if (!tmp) {
2040 TALLOC_FREE( attr_list );
2041 ldap_msgfree(result);
2042 return NT_STATUS_UNSUCCESSFUL;
2043 }
2044 slprintf (dn, sizeof (dn) - 1, "%s", tmp);
2045 SAFE_FREE(tmp);
2046 }
2047 }
2048
2049 TALLOC_FREE( attr_list );
2050
2051 if (num_result == 0) {
2052 /* Check if we need to add an entry */
2053 DEBUG(3,("ldapsam_add_sam_account: Adding new user\n"));
2054 ldap_op = LDAP_MOD_ADD;
2055 if (username[strlen(username)-1] == '$') {
2056 slprintf (dn, sizeof (dn) - 1, "uid=%s,%s", username, lp_ldap_machine_suffix ());
2057 } else {
2058 slprintf (dn, sizeof (dn) - 1, "uid=%s,%s", username, lp_ldap_user_suffix ());
2059 }
2060 }
2061
2062 if (!init_ldap_from_sam(ldap_state, entry, &mods, newpwd,
2063 element_is_set_or_changed)) {
2064 DEBUG(0, ("ldapsam_add_sam_account: init_ldap_from_sam failed!\n"));
2065 ldap_msgfree(result);
2066 if (mods != NULL)
2067 ldap_mods_free(mods,True);
2068 return NT_STATUS_UNSUCCESSFUL;
2069 }
2070
2071 ldap_msgfree(result);
2072
2073 if (mods == NULL) {
2074 DEBUG(0,("ldapsam_add_sam_account: mods is empty: nothing to add for user: %s\n",pdb_get_username(newpwd)));
2075 return NT_STATUS_UNSUCCESSFUL;
2076 }
2077 switch ( ldap_state->schema_ver ) {
2078 case SCHEMAVER_SAMBAACCOUNT:
2079 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_SAMBAACCOUNT);
2080 break;
2081 case SCHEMAVER_SAMBASAMACCOUNT:
2082 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_SAMBASAMACCOUNT);
2083 break;
2084 default:
2085 DEBUG(0,("ldapsam_add_sam_account: invalid schema version specified\n"));
2086 break;
2087 }
2088
2089 ret = ldapsam_modify_entry(my_methods,newpwd,dn,mods,ldap_op, element_is_set_or_changed);
2090 if (!NT_STATUS_IS_OK(ret)) {
2091 DEBUG(0,("ldapsam_add_sam_account: failed to modify/add user with uid = %s (dn = %s)\n",
2092 pdb_get_username(newpwd),dn));
2093 ldap_mods_free(mods, True);
2094 return ret;
2095 }
2096
2097 DEBUG(2,("ldapsam_add_sam_account: added: uid == %s in the LDAP database\n", pdb_get_username(newpwd)));
2098 ldap_mods_free(mods, True);
2099
2100 return NT_STATUS_OK;
2101 }
2102
2103 /**********************************************************************
2104 *********************************************************************/
2105
2106 static int ldapsam_search_one_group (struct ldapsam_privates *ldap_state,
2107 const char *filter,
2108 LDAPMessage ** result)
2109 {
2110 int scope = LDAP_SCOPE_SUBTREE;
2111 int rc;
2112 const char **attr_list;
2113
2114 attr_list = get_attr_list(NULL, groupmap_attr_list);
2115 rc = smbldap_search(ldap_state->smbldap_state,
2116 lp_ldap_group_suffix (), scope,
2117 filter, attr_list, 0, result);
2118 TALLOC_FREE(attr_list);
2119
2120 return rc;
2121 }
2122
2123 /**********************************************************************
2124 *********************************************************************/
2125
2126 static BOOL init_group_from_ldap(struct ldapsam_privates *ldap_state,
2127 GROUP_MAP *map, LDAPMessage *entry)
2128 {
2129 pstring temp;
2130
2131 if (ldap_state == NULL || map == NULL || entry == NULL ||
2132 ldap_state->smbldap_state->ldap_struct == NULL) {
2133 DEBUG(0, ("init_group_from_ldap: NULL parameters found!\n"));
2134 return False;
2135 }
2136
2137 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
2138 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GIDNUMBER), temp)) {
2139 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2140 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GIDNUMBER)));
2141 return False;
2142 }
2143 DEBUG(2, ("init_group_from_ldap: Entry found for group: %s\n", temp));
2144
2145 map->gid = (gid_t)atol(temp);
2146
2147 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
2148 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_SID), temp)) {
2149 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2150 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_SID)));
2151 return False;
2152 }
2153
2154 if (!string_to_sid(&map->sid, temp)) {
2155 DEBUG(1, ("SID string [%s] could not be read as a valid SID\n", temp));
2156 return False;
2157 }
2158
2159 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
2160 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_TYPE), temp)) {
2161 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2162 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_TYPE)));
2163 return False;
2164 }
2165 map->sid_name_use = (enum lsa_SidType)atol(temp);
2166
2167 if ((map->sid_name_use < SID_NAME_USER) ||
2168 (map->sid_name_use > SID_NAME_UNKNOWN)) {
2169 DEBUG(0, ("init_group_from_ldap: Unknown Group type: %d\n", map->sid_name_use));
2170 return False;
2171 }
2172
2173 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
2174 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_DISPLAY_NAME), temp)) {
2175 temp[0] = '\0';
2176 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
2177 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_CN), temp))
2178 {
2179 DEBUG(0, ("init_group_from_ldap: Attributes cn not found either \
2180 for gidNumber(%lu)\n",(unsigned long)map->gid));
2181 return False;
2182 }
2183 }
2184 fstrcpy(map->nt_name, temp);
2185
2186 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
2187 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_DESC), temp)) {
2188 temp[0] = '\0';
2189 }
2190 fstrcpy(map->comment, temp);
2191
2192 if (lp_parm_bool(-1, "ldapsam", "trusted", False)) {
2193 store_gid_sid_cache(&map->sid, map->gid);
2194 }
2195
2196 return True;
2197 }
2198
2199 /**********************************************************************
2200 *********************************************************************/
2201
2202 static NTSTATUS ldapsam_getgroup(struct pdb_methods *methods,
2203 const char *filter,
2204 GROUP_MAP *map)
2205 {
2206 struct ldapsam_privates *ldap_state =
2207 (struct ldapsam_privates *)methods->private_data;
2208 LDAPMessage *result = NULL;
2209 LDAPMessage *entry = NULL;
2210 int count;
2211
2212 if (ldapsam_search_one_group(ldap_state, filter, &result)
2213 != LDAP_SUCCESS) {
2214 return NT_STATUS_NO_SUCH_GROUP;
2215 }
2216
2217 count = ldap_count_entries(priv2ld(ldap_state), result);
2218
2219 if (count < 1) {
2220 DEBUG(4, ("ldapsam_getgroup: Did not find group\n"));
2221 ldap_msgfree(result);
2222 return NT_STATUS_NO_SUCH_GROUP;
2223 }
2224
2225 if (count > 1) {
2226 DEBUG(1, ("ldapsam_getgroup: Duplicate entries for filter %s: "
2227 "count=%d\n", filter, count));
2228 ldap_msgfree(result);
2229 return NT_STATUS_NO_SUCH_GROUP;
2230 }
2231
2232 entry = ldap_first_entry(priv2ld(ldap_state), result);
2233
2234 if (!entry) {
2235 ldap_msgfree(result);
2236 return NT_STATUS_UNSUCCESSFUL;
2237 }
2238
2239 if (!init_group_from_ldap(ldap_state, map, entry)) {
2240 DEBUG(1, ("ldapsam_getgroup: init_group_from_ldap failed for "
2241 "group filter %s\n", filter));
2242 ldap_msgfree(result);
2243 return NT_STATUS_NO_SUCH_GROUP;
2244 }
2245
2246 ldap_msgfree(result);
2247 return NT_STATUS_OK;
2248 }
2249
2250 /**********************************************************************
2251 *********************************************************************/
2252
2253 static NTSTATUS ldapsam_getgrsid(struct pdb_methods *methods, GROUP_MAP *map,
2254 DOM_SID sid)
2255 {
2256 pstring filter;
2257
2258 pstr_sprintf(filter, "(&(objectClass=%s)(%s=%s))",
2259 LDAP_OBJ_GROUPMAP,
2260 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GROUP_SID),
2261 sid_string_static(&sid));
2262
2263 return ldapsam_getgroup(methods, filter, map);
2264 }
2265
2266 /**********************************************************************
2267 *********************************************************************/
2268
2269 static NTSTATUS ldapsam_getgrgid(struct pdb_methods *methods, GROUP_MAP *map,
2270 gid_t gid)
2271 {
2272 pstring filter;
2273
2274 pstr_sprintf(filter, "(&(objectClass=%s)(%s=%lu))",
2275 LDAP_OBJ_GROUPMAP,
2276 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GIDNUMBER),
2277 (unsigned long)gid);
2278
2279 return ldapsam_getgroup(methods, filter, map);
2280 }
2281
2282 /**********************************************************************
2283 *********************************************************************/
2284
2285 static NTSTATUS ldapsam_getgrnam(struct pdb_methods *methods, GROUP_MAP *map,
2286 const char *name)
2287 {
2288 pstring filter;
2289 char *escape_name = escape_ldap_string_alloc(name);
2290
2291 if (!escape_name) {
2292 return NT_STATUS_NO_MEMORY;
2293 }
2294
2295 pstr_sprintf(filter, "(&(objectClass=%s)(|(%s=%s)(%s=%s)))",
2296 LDAP_OBJ_GROUPMAP,
2297 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_DISPLAY_NAME), escape_name,
2298 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_CN), escape_name);
2299
2300 SAFE_FREE(escape_name);
2301
2302 return ldapsam_getgroup(methods, filter, map);
2303 }
2304
2305 static BOOL ldapsam_extract_rid_from_entry(LDAP *ldap_struct,
2306 LDAPMessage *entry,
2307 const DOM_SID *domain_sid,
2308 uint32 *rid)
2309 {
2310 fstring str;
2311 DOM_SID sid;
2312
2313 if (!smbldap_get_single_attribute(ldap_struct, entry, "sambaSID",
2314 str, sizeof(str)-1)) {
2315 DEBUG(10, ("Could not find sambaSID attribute\n"));
2316 return False;
2317 }
2318
2319 if (!string_to_sid(&sid, str)) {
2320 DEBUG(10, ("Could not convert string %s to sid\n", str));
2321 return False;
2322 }
2323
2324 if (sid_compare_domain(&sid, domain_sid) != 0) {
2325 DEBUG(10, ("SID %s is not in expected domain %s\n",
2326 str, sid_string_static(domain_sid)));
2327 return False;
2328 }
2329
2330 if (!sid_peek_rid(&sid, rid)) {
2331 DEBUG(10, ("Could not peek into RID\n"));
2332 return False;
2333 }
2334
2335 return True;
2336 }
2337
2338 static NTSTATUS ldapsam_enum_group_members(struct pdb_methods *methods,
2339 TALLOC_CTX *mem_ctx,
2340 const DOM_SID *group,
2341 uint32 **pp_member_rids,
2342 size_t *p_num_members)
2343 {
2344 struct ldapsam_privates *ldap_state =
2345 (struct ldapsam_privates *)methods->private_data;
2346 struct smbldap_state *conn = ldap_state->smbldap_state;
2347 const char *id_attrs[] = { "memberUid", "gidNumber", NULL };
2348 const char *sid_attrs[] = { "sambaSID", NULL };
2349 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2350 LDAPMessage *result = NULL;
2351 LDAPMessage *entry;
2352 char *filter;
2353 char **values = NULL;
2354 char **memberuid;
2355 char *gidstr;
2356 int rc, count;
2357
2358 *pp_member_rids = NULL;
2359 *p_num_members = 0;
2360
2361 filter = talloc_asprintf(mem_ctx,
2362 "(&(objectClass=%s)"
2363 "(objectClass=%s)"
2364 "(sambaSID=%s))",
2365 LDAP_OBJ_POSIXGROUP,
2366 LDAP_OBJ_GROUPMAP,
2367 sid_string_static(group));
2368 if (filter == NULL) {
2369 ret = NT_STATUS_NO_MEMORY;
2370 goto done;
2371 }
2372
2373 rc = smbldap_search(conn, lp_ldap_group_suffix(),
2374 LDAP_SCOPE_SUBTREE, filter, id_attrs, 0,
2375 &result);
2376
2377 if (rc != LDAP_SUCCESS)
2378 goto done;
2379
2380 talloc_autofree_ldapmsg(mem_ctx, result);
2381
2382 count = ldap_count_entries(conn->ldap_struct, result);
2383
2384 if (count > 1) {
2385 DEBUG(1, ("Found more than one groupmap entry for %s\n",
2386 sid_string_static(group)));
2387 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2388 goto done;
2389 }
2390
2391 if (count == 0) {
2392 ret = NT_STATUS_NO_SUCH_GROUP;
2393 goto done;
2394 }
2395
2396 entry = ldap_first_entry(conn->ldap_struct, result);
2397 if (entry == NULL)
2398 goto done;
2399
2400 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", mem_ctx);
2401 if (!gidstr) {
2402 DEBUG (0, ("ldapsam_enum_group_members: Unable to find the group's gid!\n"));
2403 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2404 goto done;
2405 }
2406
2407 values = ldap_get_values(conn->ldap_struct, entry, "memberUid");
2408
2409 if (values) {
2410
2411 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)(|", LDAP_OBJ_SAMBASAMACCOUNT);
2412 if (filter == NULL) {
2413 ret = NT_STATUS_NO_MEMORY;
2414 goto done;
2415 }
2416
2417 for (memberuid = values; *memberuid != NULL; memberuid += 1) {
2418 filter = talloc_asprintf_append(filter, "(uid=%s)", *memberuid);
2419 if (filter == NULL) {
2420 ret = NT_STATUS_NO_MEMORY;
2421 goto done;
2422 }
2423 }
2424
2425 filter = talloc_asprintf_append(filter, "))");
2426 if (filter == NULL) {
2427 ret = NT_STATUS_NO_MEMORY;
2428 goto done;
2429 }
2430
2431 rc = smbldap_search(conn, lp_ldap_user_suffix(),
2432 LDAP_SCOPE_SUBTREE, filter, sid_attrs, 0,
2433 &result);
2434
2435 if (rc != LDAP_SUCCESS)
2436 goto done;
2437
2438 count = ldap_count_entries(conn->ldap_struct, result);
2439 DEBUG(10,("ldapsam_enum_group_members: found %d accounts\n", count));
2440
2441 talloc_autofree_ldapmsg(mem_ctx, result);
2442
2443 for (entry = ldap_first_entry(conn->ldap_struct, result);
2444 entry != NULL;
2445 entry = ldap_next_entry(conn->ldap_struct, entry))
2446 {
2447 char *sidstr;
2448 DOM_SID sid;
2449 uint32 rid;
2450
2451 sidstr = smbldap_talloc_single_attribute(conn->ldap_struct,
2452 entry, "sambaSID",
2453 mem_ctx);
2454 if (!sidstr) {
2455 DEBUG(0, ("Severe DB error, sambaSamAccount can't miss "
2456 "the sambaSID attribute\n"));
2457 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2458 goto done;
2459 }
2460
2461 if (!string_to_sid(&sid, sidstr))
2462 goto done;
2463
2464 if (!sid_check_is_in_our_domain(&sid)) {
2465 DEBUG(0, ("Inconsistent SAM -- group member uid not "
2466 "in our domain\n"));
2467 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2468 goto done;
2469 }
2470
2471 sid_peek_rid(&sid, &rid);
2472
2473 if (!add_rid_to_array_unique(mem_ctx, rid, pp_member_rids,
2474 p_num_members)) {
2475 ret = NT_STATUS_NO_MEMORY;
2476 goto done;
2477 }
2478 }
2479 }
2480
2481 filter = talloc_asprintf(mem_ctx,
2482 "(&(objectClass=%s)"
2483 "(gidNumber=%s))",
2484 LDAP_OBJ_SAMBASAMACCOUNT,
2485 gidstr);
2486
2487 rc = smbldap_search(conn, lp_ldap_user_suffix(),
2488 LDAP_SCOPE_SUBTREE, filter, sid_attrs, 0,
2489 &result);
2490
2491 if (rc != LDAP_SUCCESS)
2492 goto done;
2493
2494 talloc_autofree_ldapmsg(mem_ctx, result);
2495
2496 for (entry = ldap_first_entry(conn->ldap_struct, result);
2497 entry != NULL;
2498 entry = ldap_next_entry(conn->ldap_struct, entry))
2499 {
2500 uint32 rid;
2501
2502 if (!ldapsam_extract_rid_from_entry(conn->ldap_struct,
2503 entry,
2504 get_global_sam_sid(),
2505 &rid)) {
2506 DEBUG(0, ("Severe DB error, sambaSamAccount can't miss "
2507 "the sambaSID attribute\n"));
2508 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2509 goto done;
2510 }
2511
2512 if (!add_rid_to_array_unique(mem_ctx, rid, pp_member_rids,
2513 p_num_members)) {
2514 ret = NT_STATUS_NO_MEMORY;
2515 goto done;
2516 }
2517 }
2518
2519 ret = NT_STATUS_OK;
2520
2521 done:
2522
2523 if (values)
2524 ldap_value_free(values);
2525
2526 return ret;
2527 }
2528
2529 static NTSTATUS ldapsam_enum_group_memberships(struct pdb_methods *methods,
2530 TALLOC_CTX *mem_ctx,
2531 struct samu *user,
2532 DOM_SID **pp_sids,
2533 gid_t **pp_gids,
2534 size_t *p_num_groups)
2535 {
2536 struct ldapsam_privates *ldap_state =
2537 (struct ldapsam_privates *)methods->private_data;
2538 struct smbldap_state *conn = ldap_state->smbldap_state;
2539 char *filter;
2540 const char *attrs[] = { "gidNumber", "sambaSID", NULL };
2541 char *escape_name;
2542 int rc, count;
2543 LDAPMessage *result = NULL;
2544 LDAPMessage *entry;
2545 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2546 size_t num_sids, num_gids;
2547 char *gidstr;
2548 gid_t primary_gid = -1;
2549
2550 *pp_sids = NULL;
2551 num_sids = 0;
2552
2553 if (pdb_get_username(user) == NULL) {
2554 return NT_STATUS_INVALID_PARAMETER;
2555 }
2556
2557 escape_name = escape_ldap_string_alloc(pdb_get_username(user));
2558 if (escape_name == NULL)
2559 return NT_STATUS_NO_MEMORY;
2560
2561 /* retrieve the users primary gid */
2562 filter = talloc_asprintf(mem_ctx,
2563 "(&(objectClass=%s)(uid=%s))",
2564 LDAP_OBJ_SAMBASAMACCOUNT,
2565 escape_name);
2566 if (filter == NULL) {
2567 ret = NT_STATUS_NO_MEMORY;
2568 goto done;
2569 }
2570
2571 rc = smbldap_search(conn, lp_ldap_user_suffix(),
2572 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
2573
2574 if (rc != LDAP_SUCCESS)
2575 goto done;
2576
2577 talloc_autofree_ldapmsg(mem_ctx, result);
2578
2579 count = ldap_count_entries(priv2ld(ldap_state), result);
2580
2581 switch (count) {
2582 case 0:
2583 DEBUG(1, ("User account [%s] not found!\n", pdb_get_username(user)));
2584 ret = NT_STATUS_NO_SUCH_USER;
2585 goto done;
2586 case 1:
2587 entry = ldap_first_entry(priv2ld(ldap_state), result);
2588
2589 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", mem_ctx);
2590 if (!gidstr) {
2591 DEBUG (1, ("Unable to find the member's gid!\n"));
2592 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2593 goto done;
2594 }
2595 primary_gid = strtoul(gidstr, NULL, 10);
2596 break;
2597 default:
2598 DEBUG(1, ("found more than one account with the same user name ?!\n"));
2599 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2600 goto done;
2601 }
2602
2603 filter = talloc_asprintf(mem_ctx,
2604 "(&(objectClass=%s)(|(memberUid=%s)(gidNumber=%d)))",
2605 LDAP_OBJ_POSIXGROUP, escape_name, primary_gid);
2606 if (filter == NULL) {
2607 ret = NT_STATUS_NO_MEMORY;
2608 goto done;
2609 }
2610
2611 rc = smbldap_search(conn, lp_ldap_group_suffix(),
2612 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
2613
2614 if (rc != LDAP_SUCCESS)
2615 goto done;
2616
2617 talloc_autofree_ldapmsg(mem_ctx, result);
2618
2619 num_gids = 0;
2620 *pp_gids = NULL;
2621
2622 num_sids = 0;
2623 *pp_sids = NULL;
2624
2625 /* We need to add the primary group as the first gid/sid */
2626
2627 if (!add_gid_to_array_unique(mem_ctx, primary_gid, pp_gids, &num_gids)) {
2628 ret = NT_STATUS_NO_MEMORY;
2629 goto done;
2630 }
2631
2632 /* This sid will be replaced later */
2633
2634 if (!add_sid_to_array_unique(mem_ctx, &global_sid_NULL, pp_sids, &num_sids)) {
2635 ret = NT_STATUS_NO_MEMORY;
2636 goto done;
2637 }
2638
2639 for (entry = ldap_first_entry(conn->ldap_struct, result);
2640 entry != NULL;
2641 entry = ldap_next_entry(conn->ldap_struct, entry))
2642 {
2643 fstring str;
2644 DOM_SID sid;
2645 gid_t gid;
2646 char *end;
2647
2648 if (!smbldap_get_single_attribute(conn->ldap_struct,
2649 entry, "sambaSID",
2650 str, sizeof(str)-1))
2651 continue;
2652
2653 if (!string_to_sid(&sid, str))
2654 goto done;
2655
2656 if (!smbldap_get_single_attribute(conn->ldap_struct,
2657 entry, "gidNumber",
2658 str, sizeof(str)-1))
2659 continue;
2660
2661 gid = strtoul(str, &end, 10);
2662
2663 if (PTR_DIFF(end, str) != strlen(str))
2664 goto done;
2665
2666 if (gid == primary_gid) {
2667 sid_copy(&(*pp_sids)[0], &sid);
2668 } else {
2669 if (!add_gid_to_array_unique(mem_ctx, gid, pp_gids,
2670 &num_gids)) {
2671 ret = NT_STATUS_NO_MEMORY;
2672 goto done;
2673 }
2674 if (!add_sid_to_array_unique(mem_ctx, &sid, pp_sids,
2675 &num_sids)) {
2676 ret = NT_STATUS_NO_MEMORY;
2677 goto done;
2678 }
2679 }
2680 }
2681
2682 if (sid_compare(&global_sid_NULL, &(*pp_sids)[0]) == 0) {
2683 DEBUG(3, ("primary group of [%s] not found\n",
2684 pdb_get_username(user)));
2685 goto done;
2686 }
2687
2688 *p_num_groups = num_sids;
2689
2690 ret = NT_STATUS_OK;
2691
2692 done:
2693
2694 SAFE_FREE(escape_name);
2695 return ret;
2696 }
2697
2698 /**********************************************************************
2699 * Augment a posixGroup object with a sambaGroupMapping domgroup
2700 *********************************************************************/
2701
2702 static NTSTATUS ldapsam_map_posixgroup(TALLOC_CTX *mem_ctx,
2703 struct ldapsam_privates *ldap_state,
2704 GROUP_MAP *map)
2705 {
2706 const char *filter, *dn;
2707 LDAPMessage *msg, *entry;
2708 LDAPMod **mods;
2709 int rc;
2710
2711 filter = talloc_asprintf(mem_ctx,
2712 "(&(objectClass=posixGroup)(gidNumber=%u))",
2713 map->gid);
2714 if (filter == NULL) {
2715 return NT_STATUS_NO_MEMORY;
2716 }
2717
2718 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter,
2719 get_attr_list(mem_ctx, groupmap_attr_list),
2720 &msg);
2721 talloc_autofree_ldapmsg(mem_ctx, msg);
2722
2723 if ((rc != LDAP_SUCCESS) ||
2724 (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) != 1) ||
2725 ((entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg)) == NULL)) {
2726 return NT_STATUS_NO_SUCH_GROUP;
2727 }
2728
2729 dn = smbldap_talloc_dn(mem_ctx, ldap_state->smbldap_state->ldap_struct, entry);
2730 if (dn == NULL) {
2731 return NT_STATUS_NO_MEMORY;
2732 }
2733
2734 mods = NULL;
2735 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass",
2736 "sambaGroupMapping");
2737 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "sambaSid",
2738 sid_string_static(&map->sid));
2739 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "sambaGroupType",
2740 talloc_asprintf(mem_ctx, "%d", map->sid_name_use));
2741 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "displayName",
2742 map->nt_name);
2743 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "description",
2744 map->comment);
2745 talloc_autofree_ldapmod(mem_ctx, mods);
2746
2747 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
2748 if (rc != LDAP_SUCCESS) {
2749 return NT_STATUS_ACCESS_DENIED;
2750 }
2751
2752 return NT_STATUS_OK;
2753 }
2754
2755 static NTSTATUS ldapsam_add_group_mapping_entry(struct pdb_methods *methods,
2756 GROUP_MAP *map)
2757 {
2758 struct ldapsam_privates *ldap_state =
2759 (struct ldapsam_privates *)methods->private_data;
2760 LDAPMessage *msg = NULL;
2761 LDAPMod **mods = NULL;
2762 const char *attrs[] = { NULL };
2763 char *filter;
2764
2765 char *dn;
2766 TALLOC_CTX *mem_ctx;
2767 NTSTATUS result;
2768
2769 DOM_SID sid;
2770
2771 int rc;
2772
2773 mem_ctx = talloc_new(NULL);
2774 if (mem_ctx == NULL) {
2775 DEBUG(0, ("talloc_new failed\n"));
2776 return NT_STATUS_NO_MEMORY;
2777 }
2778
2779 filter = talloc_asprintf(mem_ctx, "(sambaSid=%s)",
2780 sid_string_static(&map->sid));
2781 if (filter == NULL) {
2782 result = NT_STATUS_NO_MEMORY;
2783 goto done;
2784 }
2785
2786 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_suffix(),
2787 LDAP_SCOPE_SUBTREE, filter, attrs, True, &msg);
2788 talloc_autofree_ldapmsg(mem_ctx, msg);
2789
2790 if ((rc == LDAP_SUCCESS) &&
2791 (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) > 0)) {
2792
2793 DEBUG(3, ("SID %s already present in LDAP, refusing to add "
2794 "group mapping entry\n",
2795 sid_string_static(&map->sid)));
2796 result = NT_STATUS_GROUP_EXISTS;
2797 goto done;
2798 }
2799
2800 switch (map->sid_name_use) {
2801
2802 case SID_NAME_DOM_GRP:
2803 /* To map a domain group we need to have a posix group
2804 to attach to. */
2805 result = ldapsam_map_posixgroup(mem_ctx, ldap_state, map);
2806 goto done;
2807 break;
2808
2809 case SID_NAME_ALIAS:
2810 if (!sid_check_is_in_our_domain(&map->sid)
2811 && !sid_check_is_in_builtin(&map->sid) )
2812 {
2813 DEBUG(3, ("Refusing to map sid %s as an alias, not in our domain\n",
2814 sid_string_static(&map->sid)));
2815 result = NT_STATUS_INVALID_PARAMETER;
2816 goto done;
2817 }
2818 break;
2819
2820 default:
2821 DEBUG(3, ("Got invalid use '%s' for mapping\n",
2822 sid_type_lookup(map->sid_name_use)));
2823 result = NT_STATUS_INVALID_PARAMETER;
2824 goto done;
2825 }
2826
2827 /* Domain groups have been mapped in a separate routine, we have to
2828 * create an alias now */
2829
2830 if (map->gid == -1) {
2831 DEBUG(10, ("Refusing to map gid==-1\n"));
2832 result = NT_STATUS_INVALID_PARAMETER;
2833 goto done;
2834 }
2835
2836 if (pdb_gid_to_sid(map->gid, &sid)) {
2837 DEBUG(3, ("Gid %d is already mapped to SID %s, refusing to "
2838 "add\n", map->gid, sid_string_static(&sid)));
2839 result = NT_STATUS_GROUP_EXISTS;
2840 goto done;
2841 }
2842
2843 /* Ok, enough checks done. It's still racy to go ahead now, but that's
2844 * the best we can get out of LDAP. */
2845
2846 dn = talloc_asprintf(mem_ctx, "sambaSid=%s,%s",
2847 sid_string_static(&map->sid),
2848 lp_ldap_group_suffix());
2849 if (dn == NULL) {
2850 result = NT_STATUS_NO_MEMORY;
2851 goto done;
2852 }
2853
2854 mods = NULL;
2855
2856 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "objectClass",
2857 "sambaSidEntry");
2858 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "objectClass",
2859 "sambaGroupMapping");
2860
2861 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "sambaSid",
2862 sid_string_static(&map->sid));
2863 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "sambaGroupType",
2864 talloc_asprintf(mem_ctx, "%d", map->sid_name_use));
2865 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "displayName",
2866 map->nt_name);
2867 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "description",
2868 map->comment);
2869 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "gidNumber",
2870 talloc_asprintf(mem_ctx, "%u", map->gid));
2871 talloc_autofree_ldapmod(mem_ctx, mods);
2872
2873 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
2874
2875 result = (rc == LDAP_SUCCESS) ?
2876 NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
2877
2878 done:
2879 TALLOC_FREE(mem_ctx);
2880 return result;
2881 }
2882
2883 /**********************************************************************
2884 * Update a group mapping entry. We're quite strict about what can be changed:
2885 * Only the description and displayname may be changed. It simply does not
2886 * make any sense to change the SID, gid or the type in a mapping.
2887 *********************************************************************/
2888
2889 static NTSTATUS ldapsam_update_group_mapping_entry(struct pdb_methods *methods,
2890 GROUP_MAP *map)
2891 {
2892 struct ldapsam_privates *ldap_state =
2893 (struct ldapsam_privates *)methods->private_data;
2894 int rc;
2895 const char *filter, *dn;
2896 LDAPMessage *msg = NULL;
2897 LDAPMessage *entry = NULL;
2898 LDAPMod **mods = NULL;
2899 TALLOC_CTX *mem_ctx;
2900 NTSTATUS result;
2901
2902 mem_ctx = talloc_new(NULL);
2903 if (mem_ctx == NULL) {
2904 DEBUG(0, ("talloc_new failed\n"));
2905 return NT_STATUS_NO_MEMORY;
2906 }
2907
2908 /* Make 100% sure that sid, gid and type are not changed by looking up
2909 * exactly the values we're given in LDAP. */
2910
2911 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)"
2912 "(sambaSid=%s)(gidNumber=%u)"
2913 "(sambaGroupType=%d))",
2914 LDAP_OBJ_GROUPMAP,
2915 sid_string_static(&map->sid), map->gid,
2916 map->sid_name_use);
2917 if (filter == NULL) {
2918 result = NT_STATUS_NO_MEMORY;
2919 goto done;
2920 }
2921
2922 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter,
2923 get_attr_list(mem_ctx, groupmap_attr_list),
2924 &msg);
2925 talloc_autofree_ldapmsg(mem_ctx, msg);
2926
2927 if ((rc != LDAP_SUCCESS) ||
2928 (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) != 1) ||
2929 ((entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg)) == NULL)) {
2930 result = NT_STATUS_NO_SUCH_GROUP;
2931 goto done;
2932 }
2933
2934 dn = smbldap_talloc_dn(mem_ctx, ldap_state->smbldap_state->ldap_struct, entry);
2935
2936 if (dn == NULL) {
2937 result = NT_STATUS_NO_MEMORY;
2938 goto done;
2939 }
2940
2941 mods = NULL;
2942 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "displayName",
2943 map->nt_name);
2944 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "description",
2945 map->comment);
2946 talloc_autofree_ldapmod(mem_ctx, mods);
2947
2948 if (mods == NULL) {
2949 DEBUG(4, ("ldapsam_update_group_mapping_entry: mods is empty: "
2950 "nothing to do\n"));
2951 result = NT_STATUS_OK;
2952 goto done;
2953 }
2954
2955 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
2956
2957 if (rc != LDAP_SUCCESS) {
2958 result = NT_STATUS_ACCESS_DENIED;
2959 goto done;
2960 }
2961
2962 DEBUG(2, ("ldapsam_update_group_mapping_entry: successfully modified "
2963 "group %lu in LDAP\n", (unsigned long)map->gid));
2964
2965 result = NT_STATUS_OK;
2966
2967 done:
2968 TALLOC_FREE(mem_ctx);
2969 return result;
2970 }
2971
2972 /**********************************************************************
2973 *********************************************************************/
2974
2975 static NTSTATUS ldapsam_delete_group_mapping_entry(struct pdb_methods *methods,
2976 DOM_SID sid)
2977 {
2978 struct ldapsam_privates *priv =
2979 (struct ldapsam_privates *)methods->private_data;
2980 LDAPMessage *msg, *entry;
2981 int rc;
2982 NTSTATUS result;
2983 TALLOC_CTX *mem_ctx;
2984 char *filter;
2985
2986 mem_ctx = talloc_new(NULL);
2987 if (mem_ctx == NULL) {
2988 DEBUG(0, ("talloc_new failed\n"));
2989 return NT_STATUS_NO_MEMORY;
2990 }
2991
2992 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)(%s=%s))",
2993 LDAP_OBJ_GROUPMAP, LDAP_ATTRIBUTE_SID,
2994 sid_string_static(&sid));
2995 if (filter == NULL) {
2996 result = NT_STATUS_NO_MEMORY;
2997 goto done;
2998 }
2999 rc = smbldap_search_suffix(priv->smbldap_state, filter,
3000 get_attr_list(mem_ctx, groupmap_attr_list),
3001 &msg);
3002 talloc_autofree_ldapmsg(mem_ctx, msg);
3003
3004 if ((rc != LDAP_SUCCESS) ||
3005 (ldap_count_entries(priv2ld(priv), msg) != 1) ||
3006 ((entry = ldap_first_entry(priv2ld(priv), msg)) == NULL)) {
3007 result = NT_STATUS_NO_SUCH_GROUP;
3008 goto done;
3009 }
3010
3011 rc = ldapsam_delete_entry(priv, mem_ctx, entry, LDAP_OBJ_GROUPMAP,
3012 get_attr_list(mem_ctx,
3013 groupmap_attr_list_to_delete));
3014
3015 if ((rc == LDAP_NAMING_VIOLATION) ||
3016 (rc == LDAP_OBJECT_CLASS_VIOLATION)) {
3017 const char *attrs[] = { "sambaGroupType", "description",
3018 "displayName", "sambaSIDList",
3019 NULL };
3020
3021 /* Second try. Don't delete the sambaSID attribute, this is
3022 for "old" entries that are tacked on a winbind
3023 sambaIdmapEntry. */
3024
3025 rc = ldapsam_delete_entry(priv, mem_ctx, entry,
3026 LDAP_OBJ_GROUPMAP, attrs);
3027 }
3028
3029 if ((rc == LDAP_NAMING_VIOLATION) ||
3030 (rc == LDAP_OBJECT_CLASS_VIOLATION)) {
3031 const char *attrs[] = { "sambaGroupType", "description",
3032 "displayName", "sambaSIDList",
3033 "gidNumber", NULL };
3034
3035 /* Third try. This is a post-3.0.21 alias (containing only
3036 * sambaSidEntry and sambaGroupMapping classes), we also have
3037 * to delete the gidNumber attribute, only the sambaSidEntry
3038 * remains */
3039
3040 rc = ldapsam_delete_entry(priv, mem_ctx, entry,
3041 LDAP_OBJ_GROUPMAP, attrs);
3042 }
3043
3044 result = (rc == LDAP_SUCCESS) ? NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL;
3045
3046 done:
3047 TALLOC_FREE(mem_ctx);
3048 return result;
3049 }
3050
3051 /**********************************************************************
3052 *********************************************************************/
3053
3054 static NTSTATUS ldapsam_setsamgrent(struct pdb_methods *my_methods,
3055 BOOL update)
3056 {
3057 struct ldapsam_privates *ldap_state =
3058 (struct ldapsam_privates *)my_methods->private_data;
3059 fstring filter;
3060 int rc;
3061 const char **attr_list;
3062
3063 pstr_sprintf( filter, "(objectclass=%s)", LDAP_OBJ_GROUPMAP);
3064 attr_list = get_attr_list( NULL, groupmap_attr_list );
3065 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_group_suffix(),
3066 LDAP_SCOPE_SUBTREE, filter,
3067 attr_list, 0, &ldap_state->result);
3068 TALLOC_FREE(attr_list);
3069
3070 if (rc != LDAP_SUCCESS) {
3071 DEBUG(0, ("ldapsam_setsamgrent: LDAP search failed: %s\n",
3072 ldap_err2string(rc)));
3073 DEBUG(3, ("ldapsam_setsamgrent: Query was: %s, %s\n",
3074 lp_ldap_group_suffix(), filter));
3075 ldap_msgfree(ldap_state->result);
3076 ldap_state->result = NULL;
3077 return NT_STATUS_UNSUCCESSFUL;
3078 }
3079
3080 DEBUG(2, ("ldapsam_setsamgrent: %d entries in the base!\n",
3081 ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3082 ldap_state->result)));
3083
3084 ldap_state->entry =
3085 ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3086 ldap_state->result);
3087 ldap_state->index = 0;
3088
3089 return NT_STATUS_OK;
3090 }
3091
3092 /**********************************************************************
3093 *********************************************************************/
3094
3095 static void ldapsam_endsamgrent(struct pdb_methods *my_methods)
3096 {
3097 ldapsam_endsampwent(my_methods);
3098 }
3099
3100 /**********************************************************************
3101 *********************************************************************/
3102
3103 static NTSTATUS ldapsam_getsamgrent(struct pdb_methods *my_methods,
3104 GROUP_MAP *map)
3105 {
3106 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
3107 struct ldapsam_privates *ldap_state =
3108 (struct ldapsam_privates *)my_methods->private_data;
3109 BOOL bret = False;
3110
3111 while (!bret) {
3112 if (!ldap_state->entry)
3113 return ret;
3114
3115 ldap_state->index++;
3116 bret = init_group_from_ldap(ldap_state, map,
3117 ldap_state->entry);
3118
3119 ldap_state->entry =
3120 ldap_next_entry(ldap_state->smbldap_state->ldap_struct,
3121 ldap_state->entry);
3122 }
3123
3124 return NT_STATUS_OK;
3125 }
3126
3127 /**********************************************************************
3128 *********************************************************************/
3129
3130 static NTSTATUS ldapsam_enum_group_mapping(struct pdb_methods *methods,
3131 const DOM_SID *domsid, enum lsa_SidType sid_name_use,
3132 GROUP_MAP **pp_rmap,
3133 size_t *p_num_entries,
3134 BOOL unix_only)
3135 {
3136 GROUP_MAP map;
3137 size_t entries = 0;
3138
3139 *p_num_entries = 0;
3140 *pp_rmap = NULL;
3141
3142 if (!NT_STATUS_IS_OK(ldapsam_setsamgrent(methods, False))) {
3143 DEBUG(0, ("ldapsam_enum_group_mapping: Unable to open "
3144 "passdb\n"));
3145 return NT_STATUS_ACCESS_DENIED;
3146 }
3147
3148 while (NT_STATUS_IS_OK(ldapsam_getsamgrent(methods, &map))) {
3149 if (sid_name_use != SID_NAME_UNKNOWN &&
3150 sid_name_use != map.sid_name_use) {
3151 DEBUG(11,("ldapsam_enum_group_mapping: group %s is "
3152 "not of the requested type\n", map.nt_name));
3153 continue;
3154 }
3155 if (unix_only==ENUM_ONLY_MAPPED && map.gid==-1) {
3156 DEBUG(11,("ldapsam_enum_group_mapping: group %s is "
3157 "non mapped\n", map.nt_name));
3158 continue;
3159 }
3160
3161 (*pp_rmap)=SMB_REALLOC_ARRAY((*pp_rmap), GROUP_MAP, entries+1);
3162 if (!(*pp_rmap)) {
3163 DEBUG(0,("ldapsam_enum_group_mapping: Unable to "
3164 "enlarge group map!\n"));
3165 return NT_STATUS_UNSUCCESSFUL;
3166 }
3167
3168 (*pp_rmap)[entries] = map;
3169
3170 entries += 1;
3171
3172 }
3173 ldapsam_endsamgrent(methods);
3174
3175 *p_num_entries = entries;
3176
3177 return NT_STATUS_OK;
3178 }
3179
3180 static NTSTATUS ldapsam_modify_aliasmem(struct pdb_methods *methods,
3181 const DOM_SID *alias,
3182 const DOM_SID *member,
3183 int modop)
3184 {
3185 struct ldapsam_privates *ldap_state =
3186 (struct ldapsam_privates *)methods->private_data;
3187 char *dn;
3188 LDAPMessage *result = NULL;
3189 LDAPMessage *entry = NULL;
3190 int count;
3191 LDAPMod **mods = NULL;
3192 int rc;
3193 enum lsa_SidType type = SID_NAME_USE_NONE;
3194
3195 pstring filter;
3196
3197 if (sid_check_is_in_builtin(alias)) {
3198 type = SID_NAME_ALIAS;
3199 }
3200
3201 if (sid_check_is_in_our_domain(alias)) {
3202 type = SID_NAME_ALIAS;
3203 }
3204
3205 if (type == SID_NAME_USE_NONE) {
3206 DEBUG(5, ("SID %s is neither in builtin nor in our domain!\n",
3207 sid_string_static(alias)));
3208 return NT_STATUS_NO_SUCH_ALIAS;
3209 }
3210
3211 pstr_sprintf(filter,
3212 "(&(objectClass=%s)(sambaSid=%s)(sambaGroupType=%d))",
3213 LDAP_OBJ_GROUPMAP, sid_string_static(alias),
3214 type);
3215
3216 if (ldapsam_search_one_group(ldap_state, filter,
3217 &result) != LDAP_SUCCESS)
3218 return NT_STATUS_NO_SUCH_ALIAS;
3219
3220 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3221 result);
3222
3223 if (count < 1) {
3224 DEBUG(4, ("ldapsam_modify_aliasmem: Did not find alias\n"));
3225 ldap_msgfree(result);
3226 return NT_STATUS_NO_SUCH_ALIAS;
3227 }
3228
3229 if (count > 1) {
3230 DEBUG(1, ("ldapsam_modify_aliasmem: Duplicate entries for "
3231 "filter %s: count=%d\n", filter, count));
3232 ldap_msgfree(result);
3233 return NT_STATUS_NO_SUCH_ALIAS;
3234 }
3235
3236 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3237 result);
3238
3239 if (!entry) {
3240 ldap_msgfree(result);
3241 return NT_STATUS_UNSUCCESSFUL;
3242 }
3243
3244 dn = smbldap_get_dn(ldap_state->smbldap_state->ldap_struct, entry);
3245 if (!dn) {
3246 ldap_msgfree(result);
3247 return NT_STATUS_UNSUCCESSFUL;
3248 }
3249
3250 smbldap_set_mod(&mods, modop,
3251 get_attr_key2string(groupmap_attr_list,
3252 LDAP_ATTR_SID_LIST),
3253 sid_string_static(member));
3254
3255 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3256
3257 ldap_mods_free(mods, True);
3258 ldap_msgfree(result);
3259 SAFE_FREE(dn);
3260
3261 if (rc == LDAP_TYPE_OR_VALUE_EXISTS) {
3262 return NT_STATUS_MEMBER_IN_ALIAS;
3263 }
3264
3265 if (rc == LDAP_NO_SUCH_ATTRIBUTE) {
3266 return NT_STATUS_MEMBER_NOT_IN_ALIAS;
3267 }
3268
3269 if (rc != LDAP_SUCCESS) {
3270 return NT_STATUS_UNSUCCESSFUL;
3271 }
3272
3273 return NT_STATUS_OK;
3274 }
3275
3276 static NTSTATUS ldapsam_add_aliasmem(struct pdb_methods *methods,
3277 const DOM_SID *alias,
3278 const DOM_SID *member)
3279 {
3280 return ldapsam_modify_aliasmem(methods, alias, member, LDAP_MOD_ADD);
3281 }
3282
3283 static NTSTATUS ldapsam_del_aliasmem(struct pdb_methods *methods,
3284 const DOM_SID *alias,
3285 const DOM_SID *member)
3286 {
3287 return ldapsam_modify_aliasmem(methods, alias, member,
3288 LDAP_MOD_DELETE);
3289 }
3290
3291 static NTSTATUS ldapsam_enum_aliasmem(struct pdb_methods *methods,
3292 const DOM_SID *alias,
3293 DOM_SID **pp_members,
3294 size_t *p_num_members)
3295 {
3296 struct ldapsam_privates *ldap_state =
3297 (struct ldapsam_privates *)methods->private_data;
3298 LDAPMessage *result = NULL;
3299 LDAPMessage *entry = NULL;
3300 int count;
3301 char **values;
3302 int i;
3303 pstring filter;
3304 size_t num_members = 0;
3305 enum lsa_SidType type = SID_NAME_USE_NONE;
3306
3307 *pp_members = NULL;
3308 *p_num_members = 0;
3309
3310 if (sid_check_is_in_builtin(alias)) {
3311 type = SID_NAME_ALIAS;
3312 }
3313
3314 if (sid_check_is_in_our_domain(alias)) {
3315 type = SID_NAME_ALIAS;
3316 }
3317
3318 if (type == SID_NAME_USE_NONE) {
3319 DEBUG(5, ("SID %s is neither in builtin nor in our domain!\n",
3320 sid_string_static(alias)));
3321 return NT_STATUS_NO_SUCH_ALIAS;
3322 }
3323
3324 pstr_sprintf(filter,
3325 "(&(objectClass=%s)(sambaSid=%s)(sambaGroupType=%d))",
3326 LDAP_OBJ_GROUPMAP, sid_string_static(alias),
3327 type);
3328
3329 if (ldapsam_search_one_group(ldap_state, filter,
3330 &result) != LDAP_SUCCESS)
3331 return NT_STATUS_NO_SUCH_ALIAS;
3332
3333 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3334 result);
3335
3336 if (count < 1) {
3337 DEBUG(4, ("ldapsam_enum_aliasmem: Did not find alias\n"));
3338 ldap_msgfree(result);
3339 return NT_STATUS_NO_SUCH_ALIAS;
3340 }
3341
3342 if (count > 1) {
3343 DEBUG(1, ("ldapsam_enum_aliasmem: Duplicate entries for "
3344 "filter %s: count=%d\n", filter, count));
3345 ldap_msgfree(result);
3346 return NT_STATUS_NO_SUCH_ALIAS;
3347 }
3348
3349 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3350 result);
3351
3352 if (!entry) {
3353 ldap_msgfree(result);
3354 return NT_STATUS_UNSUCCESSFUL;
3355 }
3356
3357 values = ldap_get_values(ldap_state->smbldap_state->ldap_struct,
3358 entry,
3359 get_attr_key2string(groupmap_attr_list,
3360 LDAP_ATTR_SID_LIST));
3361
3362 if (values == NULL) {
3363 ldap_msgfree(result);
3364 return NT_STATUS_OK;
3365 }
3366
3367 count = ldap_count_values(values);
3368
3369 for (i=0; i<count; i++) {
3370 DOM_SID member;
3371
3372 if (!string_to_sid(&member, values[i]))
3373 continue;
3374
3375 if (!add_sid_to_array(NULL, &member, pp_members, &num_members)) {
3376 ldap_value_free(values);
3377 ldap_msgfree(result);
3378 return NT_STATUS_NO_MEMORY;
3379 }
3380 }
3381
3382 *p_num_members = num_members;
3383 ldap_value_free(values);
3384 ldap_msgfree(result);
3385
3386 return NT_STATUS_OK;
3387 }
3388
3389 static NTSTATUS ldapsam_alias_memberships(struct pdb_methods *methods,
3390 TALLOC_CTX *mem_ctx,
3391 const DOM_SID *domain_sid,
3392 const DOM_SID *members,
3393 size_t num_members,
3394 uint32 **pp_alias_rids,
3395 size_t *p_num_alias_rids)
3396 {
3397 struct ldapsam_privates *ldap_state =
3398 (struct ldapsam_privates *)methods->private_data;
3399 LDAP *ldap_struct;
3400
3401 const char *attrs[] = { LDAP_ATTRIBUTE_SID, NULL };
3402
3403 LDAPMessage *result = NULL;
3404 LDAPMessage *entry = NULL;
3405 int i;
3406 int rc;
3407 char *filter;
3408 enum lsa_SidType type = SID_NAME_USE_NONE;
3409
3410 if (sid_check_is_builtin(domain_sid)) {
3411 type = SID_NAME_ALIAS;
3412 }
3413
3414 if (sid_check_is_domain(domain_sid)) {
3415 type = SID_NAME_ALIAS;
3416 }
3417
3418 if (type == SID_NAME_USE_NONE) {
3419 DEBUG(5, ("SID %s is neither builtin nor domain!\n",
3420 sid_string_static(domain_sid)));
3421 return NT_STATUS_UNSUCCESSFUL;
3422 }
3423
3424 filter = talloc_asprintf(mem_ctx,
3425 "(&(|(objectclass=%s)(sambaGroupType=%d))(|",
3426 LDAP_OBJ_GROUPMAP, type);
3427
3428 for (i=0; i<num_members; i++)
3429 filter = talloc_asprintf(mem_ctx, "%s(sambaSIDList=%s)",
3430 filter,
3431 sid_string_static(&members[i]));
3432
3433 filter = talloc_asprintf(mem_ctx, "%s))", filter);
3434
3435 if (filter == NULL) {
3436 return NT_STATUS_NO_MEMORY;
3437 }
3438
3439 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_group_suffix(),
3440 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
3441
3442 if (rc != LDAP_SUCCESS)
3443 return NT_STATUS_UNSUCCESSFUL;
3444
3445 ldap_struct = ldap_state->smbldap_state->ldap_struct;
3446
3447 for (entry = ldap_first_entry(ldap_struct, result);
3448 entry != NULL;
3449 entry = ldap_next_entry(ldap_struct, entry))
3450 {
3451 fstring sid_str;
3452 DOM_SID sid;
3453 uint32 rid;
3454
3455 if (!smbldap_get_single_attribute(ldap_struct, entry,
3456 LDAP_ATTRIBUTE_SID,
3457 sid_str,
3458 sizeof(sid_str)-1))
3459 continue;
3460
3461 if (!string_to_sid(&sid, sid_str))
3462 continue;
3463
3464 if (!sid_peek_check_rid(domain_sid, &sid, &rid))
3465 continue;
3466
3467 if (!add_rid_to_array_unique(mem_ctx, rid, pp_alias_rids,
3468 p_num_alias_rids)) {
3469 ldap_msgfree(result);
3470 return NT_STATUS_NO_MEMORY;
3471 }
3472 }
3473
3474 ldap_msgfree(result);
3475 return NT_STATUS_OK;
3476 }
3477
3478 static NTSTATUS ldapsam_set_account_policy_in_ldap(struct pdb_methods *methods,
3479 int policy_index,
3480 uint32 value)
3481 {
3482 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3483 int rc;
3484 LDAPMod **mods = NULL;
3485 fstring value_string;
3486 const char *policy_attr = NULL;
3487
3488 struct ldapsam_privates *ldap_state =
3489 (struct ldapsam_privates *)methods->private_data;
3490
3491 DEBUG(10,("ldapsam_set_account_policy_in_ldap\n"));
3492
3493 if (!ldap_state->domain_dn) {
3494 return NT_STATUS_INVALID_PARAMETER;
3495 }
3496
3497 policy_attr = get_account_policy_attr(policy_index);
3498 if (policy_attr == NULL) {
3499 DEBUG(0,("ldapsam_set_account_policy_in_ldap: invalid "
3500 "policy\n"));
3501 return ntstatus;
3502 }
3503
3504 slprintf(value_string, sizeof(value_string) - 1, "%i", value);
3505
3506 smbldap_set_mod(&mods, LDAP_MOD_REPLACE, policy_attr, value_string);
3507
3508 rc = smbldap_modify(ldap_state->smbldap_state, ldap_state->domain_dn,
3509 mods);
3510
3511 ldap_mods_free(mods, True);
3512
3513 if (rc != LDAP_SUCCESS) {
3514 return ntstatus;
3515 }
3516
3517 if (!cache_account_policy_set(policy_index, value)) {
3518 DEBUG(0,("ldapsam_set_account_policy_in_ldap: failed to "
3519 "update local tdb cache\n"));
3520 return ntstatus;
3521 }
3522
3523 return NT_STATUS_OK;
3524 }
3525
3526 static NTSTATUS ldapsam_set_account_policy(struct pdb_methods *methods,
3527 int policy_index, uint32 value)
3528 {
3529 return ldapsam_set_account_policy_in_ldap(methods, policy_index,
3530 value);
3531 }
3532
3533 static NTSTATUS ldapsam_get_account_policy_from_ldap(struct pdb_methods *methods,
3534 int policy_index,
3535 uint32 *value)
3536 {
3537 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3538 LDAPMessage *result = NULL;
3539 LDAPMessage *entry = NULL;
3540 int count;
3541 int rc;
3542 char **vals = NULL;
3543 const char *policy_attr = NULL;
3544
3545 struct ldapsam_privates *ldap_state =
3546 (struct ldapsam_privates *)methods->private_data;
3547
3548 const char *attrs[2];
3549
3550 DEBUG(10,("ldapsam_get_account_policy_from_ldap\n"));
3551
3552 if (!ldap_state->domain_dn) {
3553 return NT_STATUS_INVALID_PARAMETER;
3554 }
3555
3556 policy_attr = get_account_policy_attr(policy_index);
3557 if (!policy_attr) {
3558 DEBUG(0,("ldapsam_get_account_policy_from_ldap: invalid "
3559 "policy index: %d\n", policy_index));
3560 return ntstatus;
3561 }
3562
3563 attrs[0] = policy_attr;
3564 attrs[1] = NULL;
3565
3566 rc = smbldap_search(ldap_state->smbldap_state, ldap_state->domain_dn,
3567 LDAP_SCOPE_BASE, "(objectclass=*)", attrs, 0,
3568 &result);
3569
3570 if (rc != LDAP_SUCCESS) {
3571 return ntstatus;
3572 }
3573
3574 count = ldap_count_entries(priv2ld(ldap_state), result);
3575 if (count < 1) {
3576 goto out;
3577 }
3578
3579 entry = ldap_first_entry(priv2ld(ldap_state), result);
3580 if (entry == NULL) {
3581 goto out;
3582 }
3583
3584 vals = ldap_get_values(priv2ld(ldap_state), entry, policy_attr);
3585 if (vals == NULL) {
3586 goto out;
3587 }
3588
3589 *value = (uint32)atol(vals[0]);
3590
3591 ntstatus = NT_STATUS_OK;
3592
3593 out:
3594 if (vals)
3595 ldap_value_free(vals);
3596 ldap_msgfree(result);
3597
3598 return ntstatus;
3599 }
3600
3601 /* wrapper around ldapsam_get_account_policy_from_ldap(), handles tdb as cache
3602
3603 - if user hasn't decided to use account policies inside LDAP just reuse the
3604 old tdb values
3605
3606 - if there is a valid cache entry, return that
3607 - if there is an LDAP entry, update cache and return
3608 - otherwise set to default, update cache and return
3609
3610 Guenther
3611 */
3612 static NTSTATUS ldapsam_get_account_policy(struct pdb_methods *methods,
3613 int policy_index, uint32 *value)
3614 {
3615 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3616
3617 if (cache_account_policy_get(policy_index, value)) {
3618 DEBUG(11,("ldapsam_get_account_policy: got valid value from "
3619 "cache\n"));
3620 return NT_STATUS_OK;
3621 }
3622
3623 ntstatus = ldapsam_get_account_policy_from_ldap(methods, policy_index,
3624 value);
3625 if (NT_STATUS_IS_OK(ntstatus)) {
3626 goto update_cache;
3627 }
3628
3629 DEBUG(10,("ldapsam_get_account_policy: failed to retrieve from "
3630 "ldap\n"));
3631
3632 #if 0
3633 /* should we automagically migrate old tdb value here ? */
3634 if (account_policy_get(policy_index, value))
3635 goto update_ldap;
3636
3637 DEBUG(10,("ldapsam_get_account_policy: no tdb for %d, trying "
3638 "default\n", policy_index));
3639 #endif
3640
3641 if (!account_policy_get_default(policy_index, value)) {
3642 return ntstatus;
3643 }
3644
3645 /* update_ldap: */
3646
3647 ntstatus = ldapsam_set_account_policy(methods, policy_index, *value);
3648 if (!NT_STATUS_IS_OK(ntstatus)) {
3649 return ntstatus;
3650 }
3651
3652 update_cache:
3653
3654 if (!cache_account_policy_set(policy_index, *value)) {
3655 DEBUG(0,("ldapsam_get_account_policy: failed to update local "
3656 "tdb as a cache\n"));
3657 return NT_STATUS_UNSUCCESSFUL;
3658 }
3659
3660 return NT_STATUS_OK;
3661 }
3662
3663 static NTSTATUS ldapsam_lookup_rids(struct pdb_methods *methods,
3664 const DOM_SID *domain_sid,
3665 int num_rids,
3666 uint32 *rids,
3667 const char **names,
3668 enum lsa_SidType *attrs)
3669 {
3670 struct ldapsam_privates *ldap_state =
3671 (struct ldapsam_privates *)methods->private_data;
3672 LDAPMessage *msg = NULL;
3673 LDAPMessage *entry;
3674 char *allsids = NULL;
3675 int i, rc, num_mapped;
3676 NTSTATUS result = NT_STATUS_NO_MEMORY;
3677 TALLOC_CTX *mem_ctx;
3678 LDAP *ld;
3679 BOOL is_builtin;
3680
3681 mem_ctx = talloc_new(NULL);
3682 if (mem_ctx == NULL) {
3683 DEBUG(0, ("talloc_new failed\n"));
3684 goto done;
3685 }
3686
3687 if (!sid_check_is_builtin(domain_sid) &&
3688 !sid_check_is_domain(domain_sid)) {
3689 result = NT_STATUS_INVALID_PARAMETER;
3690 goto done;
3691 }
3692
3693 for (i=0; i<num_rids; i++)
3694 attrs[i] = SID_NAME_UNKNOWN;
3695
3696 allsids = talloc_strdup(mem_ctx, "");
3697 if (allsids == NULL) {
3698 goto done;
3699 }
3700
3701 for (i=0; i<num_rids; i++) {
3702 DOM_SID sid;
3703 sid_compose(&sid, domain_sid, rids[i]);
3704 allsids = talloc_asprintf_append(allsids, "(sambaSid=%s)",
3705 sid_string_static(&sid));
3706 if (allsids == NULL) {
3707 goto done;
3708 }
3709 }
3710
3711 /* First look for users */
3712
3713 {
3714 char *filter;
3715 const char *ldap_attrs[] = { "uid", "sambaSid", NULL };
3716
3717 filter = talloc_asprintf(
3718 mem_ctx, ("(&(objectClass=%s)(|%s))"),
3719 LDAP_OBJ_SAMBASAMACCOUNT, allsids);
3720
3721 if (filter == NULL) {
3722 goto done;
3723 }
3724
3725 rc = smbldap_search(ldap_state->smbldap_state,
3726 lp_ldap_user_suffix(),
3727 LDAP_SCOPE_SUBTREE, filter, ldap_attrs, 0,
3728 &msg);
3729 talloc_autofree_ldapmsg(mem_ctx, msg);
3730 }
3731
3732 if (rc != LDAP_SUCCESS)
3733 goto done;
3734
3735 ld = ldap_state->smbldap_state->ldap_struct;
3736 num_mapped = 0;
3737
3738 for (entry = ldap_first_entry(ld, msg);
3739 entry != NULL;
3740 entry = ldap_next_entry(ld, entry)) {
3741 uint32 rid;
3742 int rid_index;
3743 const char *name;
3744
3745 if (!ldapsam_extract_rid_from_entry(ld, entry, domain_sid,
3746 &rid)) {
3747 DEBUG(2, ("Could not find sid from ldap entry\n"));
3748 continue;
3749 }
3750
3751 name = smbldap_talloc_single_attribute(ld, entry, "uid",
3752 names);
3753 if (name == NULL) {
3754 DEBUG(2, ("Could not retrieve uid attribute\n"));
3755 continue;
3756 }
3757
3758 for (rid_index = 0; rid_index < num_rids; rid_index++) {
3759 if (rid == rids[rid_index])
3760 break;
3761 }
3762
3763 if (rid_index == num_rids) {
3764 DEBUG(2, ("Got a RID not asked for: %d\n", rid));
3765 continue;
3766 }
3767
3768 attrs[rid_index] = SID_NAME_USER;
3769 names[rid_index] = name;
3770 num_mapped += 1;
3771 }
3772
3773 if (num_mapped == num_rids) {
3774 /* No need to look for groups anymore -- we're done */
3775 result = NT_STATUS_OK;
3776 goto done;
3777 }
3778
3779 /* Same game for groups */
3780
3781 {
3782 char *filter;
3783 const char *ldap_attrs[] = { "cn", "displayName", "sambaSid",
3784 "sambaGroupType", NULL };
3785
3786 filter = talloc_asprintf(
3787 mem_ctx, "(&(objectClass=%s)(|%s))",
3788 LDAP_OBJ_GROUPMAP, allsids);
3789 if (filter == NULL) {
3790 goto done;
3791 }
3792
3793 rc = smbldap_search(ldap_state->smbldap_state,
3794 lp_ldap_group_suffix(),
3795 LDAP_SCOPE_SUBTREE, filter, ldap_attrs, 0,
3796 &msg);
3797 talloc_autofree_ldapmsg(mem_ctx, msg);
3798 }
3799
3800 if (rc != LDAP_SUCCESS)
3801 goto done;
3802
3803 /* ldap_struct might have changed due to a reconnect */
3804
3805 ld = ldap_state->smbldap_state->ldap_struct;
3806
3807 /* For consistency checks, we already checked we're only domain or builtin */
3808
3809 is_builtin = sid_check_is_builtin(domain_sid);
3810
3811 for (entry = ldap_first_entry(ld, msg);
3812 entry != NULL;
3813 entry = ldap_next_entry(ld, entry))
3814 {
3815 uint32 rid;
3816 int rid_index;
3817 const char *attr;
3818 enum lsa_SidType type;
3819 const char *dn = smbldap_talloc_dn(mem_ctx, ld, entry);
3820
3821 attr = smbldap_talloc_single_attribute(ld, entry, "sambaGroupType",
3822 mem_ctx);
3823 if (attr == NULL) {
3824 DEBUG(2, ("Could not extract type from ldap entry %s\n",
3825 dn));
3826 continue;
3827 }
3828
3829 type = (enum lsa_SidType)atol(attr);
3830
3831 /* Consistency checks */
3832 if ((is_builtin && (type != SID_NAME_ALIAS)) ||
3833 (!is_builtin && ((type != SID_NAME_ALIAS) &&
3834 (type != SID_NAME_DOM_GRP)))) {
3835 DEBUG(2, ("Rejecting invalid group mapping entry %s\n", dn));
3836 }
3837
3838 if (!ldapsam_extract_rid_from_entry(ld, entry, domain_sid,
3839 &rid)) {
3840 DEBUG(2, ("Could not find sid from ldap entry %s\n", dn));
3841 continue;
3842 }
3843
3844 attr = smbldap_talloc_single_attribute(ld, entry, "displayName", names);
3845
3846 if (attr == NULL) {
3847 DEBUG(10, ("Could not retrieve 'displayName' attribute from %s\n",
3848 dn));
3849 attr = smbldap_talloc_single_attribute(ld, entry, "cn", names);
3850 }
3851
3852 if (attr == NULL) {
3853 DEBUG(2, ("Could not retrieve naming attribute from %s\n",
3854 dn));
3855 continue;
3856 }
3857
3858 for (rid_index = 0; rid_index < num_rids; rid_index++) {
3859 if (rid == rids[rid_index])
3860 break;
3861 }
3862
3863 if (rid_index == num_rids) {
3864 DEBUG(2, ("Got a RID not asked for: %d\n", rid));
3865 continue;
3866 }
3867
3868 attrs[rid_index] = type;
3869 names[rid_index] = attr;
3870 num_mapped += 1;
3871 }
3872
3873 result = NT_STATUS_NONE_MAPPED;
3874
3875 if (num_mapped > 0)
3876 result = (num_mapped == num_rids) ?
3877 NT_STATUS_OK : STATUS_SOME_UNMAPPED;
3878 done:
3879 TALLOC_FREE(mem_ctx);
3880 return result;
3881 }
3882
3883 static char *get_ldap_filter(TALLOC_CTX *mem_ctx, const char *username)
3884 {
3885 char *filter = NULL;
3886 char *escaped = NULL;
3887 char *result = NULL;
3888
3889 asprintf(&filter, "(&%s(objectclass=sambaSamAccount))",
3890 "(uid=%u)");
3891 if (filter == NULL) goto done;
3892
3893 escaped = escape_ldap_string_alloc(username);
3894 if (escaped == NULL) goto done;
3895
3896 result = talloc_string_sub(mem_ctx, filter, "%u", username);
3897
3898 done:
3899 SAFE_FREE(filter);
3900 SAFE_FREE(escaped);
3901
3902 return result;
3903 }
3904
3905 const char **talloc_attrs(TALLOC_CTX *mem_ctx, ...)
3906 {
3907 int i, num = 0;
3908 va_list ap;
3909 const char **result;
3910
3911 va_start(ap, mem_ctx);
3912 while (va_arg(ap, const char *) != NULL)
3913 num += 1;
3914 va_end(ap);
3915
3916 if ((result = TALLOC_ARRAY(mem_ctx, const char *, num+1)) == NULL) {
3917 return NULL;
3918 }
3919
3920 va_start(ap, mem_ctx);
3921 for (i=0; i<num; i++) {
3922 result[i] = talloc_strdup(result, va_arg(ap, const char*));
3923 if (result[i] == NULL) {
3924 talloc_free(result);
3925 return NULL;
3926 }
3927 }
3928 va_end(ap);
3929
3930 result[num] = NULL;
3931 return result;
3932 }
3933
3934 struct ldap_search_state {
3935 struct smbldap_state *connection;
3936
3937 uint32 acct_flags;
3938 uint16 group_type;
3939
3940 const char *base;
3941 int scope;
3942 const char *filter;
3943 const char **attrs;
3944 int attrsonly;
3945 void *pagedresults_cookie;
3946
3947 LDAPMessage *entries, *current_entry;
3948 BOOL (*ldap2displayentry)(struct ldap_search_state *state,
3949 TALLOC_CTX *mem_ctx,
3950 LDAP *ld, LDAPMessage *entry,
3951 struct samr_displayentry *result);
3952 };
3953
3954 static BOOL ldapsam_search_firstpage(struct pdb_search *search)
3955 {
3956 struct ldap_search_state *state =
3957 (struct ldap_search_state *)search->private_data;
3958 LDAP *ld;
3959 int rc = LDAP_OPERATIONS_ERROR;
3960
3961 state->entries = NULL;
3962
3963 if (state->connection->paged_results) {
3964 rc = smbldap_search_paged(state->connection, state->base,
3965 state->scope, state->filter,
3966 state->attrs, state->attrsonly,
3967 lp_ldap_page_size(), &state->entries,
3968 &state->pagedresults_cookie);
3969 }
3970
3971 if ((rc != LDAP_SUCCESS) || (state->entries == NULL)) {
3972
3973 if (state->entries != NULL) {
3974 /* Left over from unsuccessful paged attempt */
3975 ldap_msgfree(state->entries);
3976 state->entries = NULL;
3977 }
3978
3979 rc = smbldap_search(state->connection, state->base,
3980 state->scope, state->filter, state->attrs,
3981 state->attrsonly, &state->entries);
3982
3983 if ((rc != LDAP_SUCCESS) || (state->entries == NULL))
3984 return False;
3985
3986 /* Ok, the server was lying. It told us it could do paged
3987 * searches when it could not. */
3988 state->connection->paged_results = False;
3989 }
3990
3991 ld = state->connection->ldap_struct;
3992 if ( ld == NULL) {
3993 DEBUG(5, ("Don't have an LDAP connection right after a "
3994 "search\n"));
3995 return False;
3996 }
3997 state->current_entry = ldap_first_entry(ld, state->entries);
3998
3999 if (state->current_entry == NULL) {
4000 ldap_msgfree(state->entries);
4001 state->entries = NULL;
4002 }
4003
4004 return True;
4005 }
4006
4007 static BOOL ldapsam_search_nextpage(struct pdb_search *search)
4008 {
4009 struct ldap_search_state *state =
4010 (struct ldap_search_state *)search->private_data;
4011 int rc;
4012
4013 if (!state->connection->paged_results) {
4014 /* There is no next page when there are no paged results */
4015 return False;
4016 }
4017
4018 rc = smbldap_search_paged(state->connection, state->base,
4019 state->scope, state->filter, state->attrs,
4020 state->attrsonly, lp_ldap_page_size(),
4021 &state->entries,
4022 &state->pagedresults_cookie);
4023
4024 if ((rc != LDAP_SUCCESS) || (state->entries == NULL))
4025 return False;
4026
4027 state->current_entry = ldap_first_entry(state->connection->ldap_struct, state->entries);
4028
4029 if (state->current_entry == NULL) {
4030 ldap_msgfree(state->entries);
4031 state->entries = NULL;
4032 }
4033
4034 return True;
4035 }
4036
4037 static BOOL ldapsam_search_next_entry(struct pdb_search *search,
4038 struct samr_displayentry *entry)
4039 {
4040 struct ldap_search_state *state =
4041 (struct ldap_search_state *)search->private_data;
4042 BOOL result;
4043
4044 retry:
4045 if ((state->entries == NULL) && (state->pagedresults_cookie == NULL))
4046 return False;
4047
4048 if ((state->entries == NULL) &&
4049 !ldapsam_search_nextpage(search))
4050 return False;
4051
4052 result = state->ldap2displayentry(state, search->mem_ctx, state->connection->ldap_struct,
4053 state->current_entry, entry);
4054
4055 if (!result) {
4056 char *dn;
4057 dn = ldap_get_dn(state->connection->ldap_struct, state->current_entry);
4058 DEBUG(5, ("Skipping entry %s\n", dn != NULL ? dn : "<NULL>"));
4059 if (dn != NULL) ldap_memfree(dn);
4060 }
4061
4062 state->current_entry = ldap_next_entry(state->connection->ldap_struct, state->current_entry);
4063
4064 if (state->current_entry == NULL) {
4065 ldap_msgfree(state->entries);
4066 state->entries = NULL;
4067 }
4068
4069 if (!result) goto retry;
4070
4071 return True;
4072 }
4073
4074 static void ldapsam_search_end(struct pdb_search *search)
4075 {
4076 struct ldap_search_state *state =
4077 (struct ldap_search_state *)search->private_data;
4078 int rc;
4079
4080 if (state->pagedresults_cookie == NULL)
4081 return;
4082
4083 if (state->entries != NULL)
4084 ldap_msgfree(state->entries);
4085
4086 state->entries = NULL;
4087 state->current_entry = NULL;
4088
4089 if (!state->connection->paged_results)
4090 return;
4091
4092 /* Tell the LDAP server we're not interested in the rest anymore. */
4093
4094 rc = smbldap_search_paged(state->connection, state->base, state->scope,
4095 state->filter, state->attrs,
4096 state->attrsonly, 0, &state->entries,
4097 &state->pagedresults_cookie);
4098
4099 if (rc != LDAP_SUCCESS)
4100 DEBUG(5, ("Could not end search properly\n"));
4101
4102 return;
4103 }
4104
4105 static BOOL ldapuser2displayentry(struct ldap_search_state *state,
4106 TALLOC_CTX *mem_ctx,
4107 LDAP *ld, LDAPMessage *entry,
4108 struct samr_displayentry *result)
4109 {
4110 char **vals;
4111 DOM_SID sid;
4112 uint32 acct_flags;
4113
4114 vals = ldap_get_values(ld, entry, "sambaAcctFlags");
4115 if ((vals == NULL) || (vals[0] == NULL)) {
4116 DEBUG(5, ("\"sambaAcctFlags\" not found\n"));
4117 return False;
4118 }
4119 acct_flags = pdb_decode_acct_ctrl(vals[0]);
4120 ldap_value_free(vals);
4121
4122 if ((state->acct_flags != 0) &&
4123 ((state->acct_flags & acct_flags) == 0))
4124 return False;
4125
4126 result->acct_flags = acct_flags;
4127 result->account_name = "";
4128 result->fullname = "";
4129 result->description = "";
4130
4131 vals = ldap_get_values(ld, entry, "uid");
4132 if ((vals == NULL) || (vals[0] == NULL)) {
4133 DEBUG(5, ("\"uid\" not found\n"));
4134 return False;
4135 }
4136 pull_utf8_talloc(mem_ctx,
4137 CONST_DISCARD(char **, &result->account_name),
4138 vals[0]);
4139 ldap_value_free(vals);
4140
4141 vals = ldap_get_values(ld, entry, "displayName");
4142 if ((vals == NULL) || (vals[0] == NULL))
4143 DEBUG(8, ("\"displayName\" not found\n"));
4144 else
4145 pull_utf8_talloc(mem_ctx,
4146 CONST_DISCARD(char **, &result->fullname),
4147 vals[0]);
4148 ldap_value_free(vals);
4149
4150 vals = ldap_get_values(ld, entry, "description");
4151 if ((vals == NULL) || (vals[0] == NULL))
4152 DEBUG(8, ("\"description\" not found\n"));
4153 else
4154 pull_utf8_talloc(mem_ctx,
4155 CONST_DISCARD(char **, &result->description),
4156 vals[0]);
4157 ldap_value_free(vals);
4158
4159 if ((result->account_name == NULL) ||
4160 (result->fullname == NULL) ||
4161 (result->description == NULL)) {
4162 DEBUG(0, ("talloc failed\n"));
4163 return False;
4164 }
4165
4166 vals = ldap_get_values(ld, entry, "sambaSid");
4167 if ((vals == NULL) || (vals[0] == NULL)) {
4168 DEBUG(0, ("\"objectSid\" not found\n"));
4169 return False;
4170 }
4171
4172 if (!string_to_sid(&sid, vals[0])) {
4173 DEBUG(0, ("Could not convert %s to SID\n", vals[0]));
4174 ldap_value_free(vals);
4175 return False;
4176 }
4177 ldap_value_free(vals);
4178
4179 if (!sid_peek_check_rid(get_global_sam_sid(), &sid, &result->rid)) {
4180 DEBUG(0, ("sid %s does not belong to our domain\n",
4181 sid_string_static(&sid)));
4182 return False;
4183 }
4184
4185 return True;
4186 }
4187
4188
4189 static BOOL ldapsam_search_users(struct pdb_methods *methods,
4190 struct pdb_search *search,
4191 uint32 acct_flags)
4192 {
4193 struct ldapsam_privates *ldap_state =
4194 (struct ldapsam_privates *)methods->private_data;
4195 struct ldap_search_state *state;
4196
4197 state = TALLOC_P(search->mem_ctx, struct ldap_search_state);
4198 if (state == NULL) {
4199 DEBUG(0, ("talloc failed\n"));
4200 return False;
4201 }
4202
4203 state->connection = ldap_state->smbldap_state;
4204
4205 if ((acct_flags != 0) && ((acct_flags & ACB_NORMAL) != 0))
4206 state->base = lp_ldap_user_suffix();
4207 else if ((acct_flags != 0) &&
4208 ((acct_flags & (ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)) != 0))
4209 state->base = lp_ldap_machine_suffix();
4210 else
4211 state->base = lp_ldap_suffix();
4212
4213 state->acct_flags = acct_flags;
4214 state->base = talloc_strdup(search->mem_ctx, state->base);
4215 state->scope = LDAP_SCOPE_SUBTREE;
4216 state->filter = get_ldap_filter(search->mem_ctx, "*");
4217 state->attrs = talloc_attrs(search->mem_ctx, "uid", "sambaSid",
4218 "displayName", "description",
4219 "sambaAcctFlags", NULL);
4220 state->attrsonly = 0;
4221 state->pagedresults_cookie = NULL;
4222 state->entries = NULL;
4223 state->ldap2displayentry = ldapuser2displayentry;
4224
4225 if ((state->filter == NULL) || (state->attrs == NULL)) {
4226 DEBUG(0, ("talloc failed\n"));
4227 return False;
4228 }
4229
4230 search->private_data = state;
4231 search->next_entry = ldapsam_search_next_entry;
4232 search->search_end = ldapsam_search_end;
4233
4234 return ldapsam_search_firstpage(search);
4235 }
4236
4237 static BOOL ldapgroup2displayentry(struct ldap_search_state *state,
4238 TALLOC_CTX *mem_ctx,
4239 LDAP *ld, LDAPMessage *entry,
4240 struct samr_displayentry *result)
4241 {
4242 char **vals;
4243 DOM_SID sid;
4244 uint16 group_type;
4245
4246 result->account_name = "";
4247 result->fullname = "";
4248 result->description = "";
4249
4250
4251 vals = ldap_get_values(ld, entry, "sambaGroupType");
4252 if ((vals == NULL) || (vals[0] == NULL)) {
4253 DEBUG(5, ("\"sambaGroupType\" not found\n"));
4254 if (vals != NULL) {
4255 ldap_value_free(vals);
4256 }
4257 return False;
4258 }
4259
4260 group_type = atoi(vals[0]);
4261
4262 if ((state->group_type != 0) &&
4263 ((state->group_type != group_type))) {
4264 ldap_value_free(vals);
4265 return False;
4266 }
4267
4268 ldap_value_free(vals);
4269
4270 /* display name is the NT group name */
4271
4272 vals = ldap_get_values(ld, entry, "displayName");
4273 if ((vals == NULL) || (vals[0] == NULL)) {
4274 DEBUG(8, ("\"displayName\" not found\n"));
4275
4276 /* fallback to the 'cn' attribute */
4277 vals = ldap_get_values(ld, entry, "cn");
4278 if ((vals == NULL) || (vals[0] == NULL)) {
4279 DEBUG(5, ("\"cn\" not found\n"));
4280 return False;
4281 }
4282 pull_utf8_talloc(mem_ctx,
4283 CONST_DISCARD(char **, &result->account_name),
4284 vals[0]);
4285 }
4286 else {
4287 pull_utf8_talloc(mem_ctx,
4288 CONST_DISCARD(char **, &result->account_name),
4289 vals[0]);
4290 }
4291
4292 ldap_value_free(vals);
4293
4294 vals = ldap_get_values(ld, entry, "description");
4295 if ((vals == NULL) || (vals[0] == NULL))
4296 DEBUG(8, ("\"description\" not found\n"));
4297 else
4298 pull_utf8_talloc(mem_ctx,
4299 CONST_DISCARD(char **, &result->description),
4300 vals[0]);
4301 ldap_value_free(vals);
4302
4303 if ((result->account_name == NULL) ||
4304 (result->fullname == NULL) ||
4305 (result->description == NULL)) {
4306 DEBUG(0, ("talloc failed\n"));
4307 return False;
4308 }
4309
4310 vals = ldap_get_values(ld, entry, "sambaSid");
4311 if ((vals == NULL) || (vals[0] == NULL)) {
4312 DEBUG(0, ("\"objectSid\" not found\n"));
4313 if (vals != NULL) {
4314 ldap_value_free(vals);
4315 }
4316 return False;
4317 }
4318
4319 if (!string_to_sid(&sid, vals[0])) {
4320 DEBUG(0, ("Could not convert %s to SID\n", vals[0]));
4321 return False;
4322 }
4323
4324 ldap_value_free(vals);
4325
4326 switch (group_type) {
4327 case SID_NAME_DOM_GRP:
4328 case SID_NAME_ALIAS:
4329
4330 if (!sid_peek_check_rid(get_global_sam_sid(), &sid, &result->rid)
4331 && !sid_peek_check_rid(&global_sid_Builtin, &sid, &result->rid))
4332 {
4333 DEBUG(0, ("%s is not in our domain\n",
4334 sid_string_static(&sid)));
4335 return False;
4336 }
4337 break;
4338
4339 default:
4340 DEBUG(0,("unkown group type: %d\n", group_type));
4341 return False;
4342 }
4343
4344 return True;
4345 }
4346
4347 static BOOL ldapsam_search_grouptype(struct pdb_methods *methods,
4348 struct pdb_search *search,
4349 const DOM_SID *sid,
4350 enum lsa_SidType type)
4351 {
4352 struct ldapsam_privates *ldap_state =
4353 (struct ldapsam_privates *)methods->private_data;
4354 struct ldap_search_state *state;
4355
4356 state = TALLOC_P(search->mem_ctx, struct ldap_search_state);
4357 if (state == NULL) {
4358 DEBUG(0, ("talloc failed\n"));
4359 return False;
4360 }
4361
4362 state->connection = ldap_state->smbldap_state;
4363
4364 state->base = talloc_strdup(search->mem_ctx, lp_ldap_group_suffix());
4365 state->connection = ldap_state->smbldap_state;
4366 state->scope = LDAP_SCOPE_SUBTREE;
4367 state->filter = talloc_asprintf(search->mem_ctx,
4368 "(&(objectclass=sambaGroupMapping)"
4369 "(sambaGroupType=%d)(sambaSID=%s*))",
4370 type, sid_string_static(sid));
4371 state->attrs = talloc_attrs(search->mem_ctx, "cn", "sambaSid",
4372 "displayName", "description",
4373 "sambaGroupType", NULL);
4374 state->attrsonly = 0;
4375 state->pagedresults_cookie = NULL;
4376 state->entries = NULL;
4377 state->group_type = type;
4378 state->ldap2displayentry = ldapgroup2displayentry;
4379
4380 if ((state->filter == NULL) || (state->attrs == NULL)) {
4381 DEBUG(0, ("talloc failed\n"));
4382 return False;
4383 }
4384
4385 search->private_data = state;
4386 search->next_entry = ldapsam_search_next_entry;
4387 search->search_end = ldapsam_search_end;
4388
4389 return ldapsam_search_firstpage(search);
4390 }
4391
4392 static BOOL ldapsam_search_groups(struct pdb_methods *methods,
4393 struct pdb_search *search)
4394 {
4395 return ldapsam_search_grouptype(methods, search, get_global_sam_sid(), SID_NAME_DOM_GRP);
4396 }
4397
4398 static BOOL ldapsam_search_aliases(struct pdb_methods *methods,
4399 struct pdb_search *search,
4400 const DOM_SID *sid)
4401 {
4402 return ldapsam_search_grouptype(methods, search, sid, SID_NAME_ALIAS);
4403 }
4404
4405 static BOOL ldapsam_rid_algorithm(struct pdb_methods *methods)
4406 {
4407 return False;
4408 }
4409
4410 static NTSTATUS ldapsam_get_new_rid(struct ldapsam_privates *priv,
4411 uint32 *rid)
4412 {
4413 struct smbldap_state *smbldap_state = priv->smbldap_state;
4414
4415 LDAPMessage *result = NULL;
4416 LDAPMessage *entry = NULL;
4417 LDAPMod **mods = NULL;
4418 NTSTATUS status;
4419 char *value;
4420 int rc;
4421 uint32 nextRid = 0;
4422 const char *dn;
4423
4424 TALLOC_CTX *mem_ctx;
4425
4426 mem_ctx = talloc_new(NULL);
4427 if (mem_ctx == NULL) {
4428 DEBUG(0, ("talloc_new failed\n"));
4429 return NT_STATUS_NO_MEMORY;
4430 }
4431
4432 status = smbldap_search_domain_info(smbldap_state, &result,
4433 get_global_sam_name(), False);
4434 if (!NT_STATUS_IS_OK(status)) {
4435 DEBUG(3, ("Could not get domain info: %s\n",
4436 nt_errstr(status)));
4437 goto done;
4438 }
4439
4440 talloc_autofree_ldapmsg(mem_ctx, result);
4441
4442 entry = ldap_first_entry(priv2ld(priv), result);
4443 if (entry == NULL) {
4444 DEBUG(0, ("Could not get domain info entry\n"));
4445 status = NT_STATUS_INTERNAL_DB_CORRUPTION;
4446 goto done;
4447 }
4448
4449 /* Find the largest of the three attributes "sambaNextRid",
4450 "sambaNextGroupRid" and "sambaNextUserRid". I gave up on the
4451 concept of differentiating between user and group rids, and will
4452 use only "sambaNextRid" in the future. But for compatibility
4453 reasons I look if others have chosen different strategies -- VL */
4454
4455 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4456 "sambaNextRid", mem_ctx);
4457 if (value != NULL) {
4458 uint32 tmp = (uint32)strtoul(value, NULL, 10);
4459 nextRid = MAX(nextRid, tmp);
4460 }
4461
4462 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4463 "sambaNextUserRid", mem_ctx);
4464 if (value != NULL) {
4465 uint32 tmp = (uint32)strtoul(value, NULL, 10);
4466 nextRid = MAX(nextRid, tmp);
4467 }
4468
4469 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4470 "sambaNextGroupRid", mem_ctx);
4471 if (value != NULL) {
4472 uint32 tmp = (uint32)strtoul(value, NULL, 10);
4473 nextRid = MAX(nextRid, tmp);
4474 }
4475
4476 if (nextRid == 0) {
4477 nextRid = BASE_RID-1;
4478 }
4479
4480 nextRid += 1;
4481
4482 smbldap_make_mod(priv2ld(priv), entry, &mods, "sambaNextRid",
4483 talloc_asprintf(mem_ctx, "%d", nextRid));
4484 talloc_autofree_ldapmod(mem_ctx, mods);
4485
4486 if ((dn = smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry)) == NULL) {
4487 status = NT_STATUS_NO_MEMORY;
4488 goto done;
4489 }
4490
4491 rc = smbldap_modify(smbldap_state, dn, mods);
4492
4493 /* ACCESS_DENIED is used as a placeholder for "the modify failed,
4494 * please retry" */
4495
4496 status = (rc == LDAP_SUCCESS) ? NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
4497
4498 done:
4499 if (NT_STATUS_IS_OK(status)) {
4500 *rid = nextRid;
4501 }
4502
4503 TALLOC_FREE(mem_ctx);
4504 return status;
4505 }
4506
4507 static NTSTATUS ldapsam_new_rid_internal(struct pdb_methods *methods, uint32 *rid)
4508 {
4509 int i;
4510
4511 for (i=0; i<10; i++) {
4512 NTSTATUS result = ldapsam_get_new_rid(
4513 (struct ldapsam_privates *)methods->private_data, rid);
4514 if (NT_STATUS_IS_OK(result)) {
4515 return result;
4516 }
4517
4518 if (!NT_STATUS_EQUAL(result, NT_STATUS_ACCESS_DENIED)) {
4519 return result;
4520 }
4521
4522 /* The ldap update failed (maybe a race condition), retry */
4523 }
4524
4525 /* Tried 10 times, fail. */
4526 return NT_STATUS_ACCESS_DENIED;
4527 }
4528
4529 static BOOL ldapsam_new_rid(struct pdb_methods *methods, uint32 *rid)
4530 {
4531 NTSTATUS result = ldapsam_new_rid_internal(methods, rid);
4532 return NT_STATUS_IS_OK(result) ? True : False;
4533 }
4534
4535 static BOOL ldapsam_sid_to_id(struct pdb_methods *methods,
4536 const DOM_SID *sid,
4537 union unid_t *id, enum lsa_SidType *type)
4538 {
4539 struct ldapsam_privates *priv =
4540 (struct ldapsam_privates *)methods->private_data;
4541 char *filter;
4542 const char *attrs[] = { "sambaGroupType", "gidNumber", "uidNumber",
4543 NULL };
4544 LDAPMessage *result = NULL;
4545 LDAPMessage *entry = NULL;
4546 BOOL ret = False;
4547 char *value;
4548 int rc;
4549
4550 TALLOC_CTX *mem_ctx;
4551
4552 mem_ctx = talloc_new(NULL);
4553 if (mem_ctx == NULL) {
4554 DEBUG(0, ("talloc_new failed\n"));
4555 return False;
4556 }
4557
4558 filter = talloc_asprintf(mem_ctx,
4559 "(&(sambaSid=%s)"
4560 "(|(objectClass=%s)(objectClass=%s)))",
4561 sid_string_static(sid),
4562 LDAP_OBJ_GROUPMAP, LDAP_OBJ_SAMBASAMACCOUNT);
4563 if (filter == NULL) {
4564 DEBUG(5, ("talloc_asprintf failed\n"));
4565 goto done;
4566 }
4567
4568 rc = smbldap_search_suffix(priv->smbldap_state, filter,
4569 attrs, &result);
4570 if (rc != LDAP_SUCCESS) {
4571 goto done;
4572 }
4573 talloc_autofree_ldapmsg(mem_ctx, result);
4574
4575 if (ldap_count_entries(priv2ld(priv), result) != 1) {
4576 DEBUG(10, ("Got %d entries, expected one\n",
4577 ldap_count_entries(priv2ld(priv), result)));
4578 goto done;
4579 }
4580
4581 entry = ldap_first_entry(priv2ld(priv), result);
4582
4583 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4584 "sambaGroupType", mem_ctx);
4585
4586 if (value != NULL) {
4587 const char *gid_str;
4588 /* It's a group */
4589
4590 gid_str = smbldap_talloc_single_attribute(
4591 priv2ld(priv), entry, "gidNumber", mem_ctx);
4592 if (gid_str == NULL) {
4593 DEBUG(1, ("%s has sambaGroupType but no gidNumber\n",
4594 smbldap_talloc_dn(mem_ctx, priv2ld(priv),
4595 entry)));
4596 goto done;
4597 }
4598
4599 id->gid = strtoul(gid_str, NULL, 10);
4600 *type = (enum lsa_SidType)strtoul(value, NULL, 10);
4601 ret = True;
4602 goto done;
4603 }
4604
4605 /* It must be a user */
4606
4607 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4608 "uidNumber", mem_ctx);
4609 if (value == NULL) {
4610 DEBUG(1, ("Could not find uidNumber in %s\n",
4611 smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry)));
4612 goto done;
4613 }
4614
4615 id->uid = strtoul(value, NULL, 10);
4616 *type = SID_NAME_USER;
4617
4618 ret = True;
4619 done:
4620 TALLOC_FREE(mem_ctx);
4621 return ret;
4622 }
4623
4624 /*
4625 * The following functions is called only if
4626 * ldapsam:trusted and ldapsam:editposix are
4627 * set to true
4628 */
4629
4630 /*
4631 * ldapsam_create_user creates a new
4632 * posixAccount and sambaSamAccount object
4633 * in the ldap users subtree
4634 *
4635 * The uid is allocated by winbindd.
4636 */
4637
4638 static NTSTATUS ldapsam_create_user(struct pdb_methods *my_methods,
4639 TALLOC_CTX *tmp_ctx, const char *name,
4640 uint32 acb_info, uint32 *rid)
4641 {
4642 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
4643 LDAPMessage *entry = NULL;
4644 LDAPMessage *result = NULL;
4645 uint32 num_result;
4646 BOOL is_machine = False;
4647 BOOL add_posix = False;
4648 LDAPMod **mods = NULL;
4649 struct samu *user;
4650 char *filter;
4651 char *username;
4652 char *homedir;
4653 char *gidstr;
4654 char *uidstr;
4655 char *shell;
4656 const char *dn = NULL;
4657 DOM_SID group_sid;
4658 DOM_SID user_sid;
4659 gid_t gid = -1;
4660 uid_t uid = -1;
4661 NTSTATUS ret;
4662 int rc;
4663
4664 if (((acb_info & ACB_NORMAL) && name[strlen(name)-1] == '$') ||
4665 acb_info & ACB_WSTRUST ||
4666 acb_info & ACB_SVRTRUST ||
4667 acb_info & ACB_DOMTRUST) {
4668 is_machine = True;
4669 }
4670
4671 username = escape_ldap_string_alloc(name);
4672 filter = talloc_asprintf(tmp_ctx, "(&(uid=%s)(objectClass=%s))",
4673 username, LDAP_OBJ_POSIXACCOUNT);
4674 SAFE_FREE(username);
4675
4676 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
4677 if (rc != LDAP_SUCCESS) {
4678 DEBUG(0,("ldapsam_create_user: ldap search failed!\n"));
4679 return NT_STATUS_UNSUCCESSFUL;
4680 }
4681 talloc_autofree_ldapmsg(tmp_ctx, result);
4682
4683 num_result = ldap_count_entries(priv2ld(ldap_state), result);
4684
4685 if (num_result > 1) {
4686 DEBUG (0, ("ldapsam_create_user: More than one user with name [%s] ?!\n", name));
4687 return NT_STATUS_INTERNAL_DB_CORRUPTION;
4688 }
4689
4690 if (num_result == 1) {
4691 char *tmp;
4692 /* check if it is just a posix account.
4693 * or if there is a sid attached to this entry
4694 */
4695
4696 entry = ldap_first_entry(priv2ld(ldap_state), result);
4697 if (!entry) {
4698 return NT_STATUS_UNSUCCESSFUL;
4699 }
4700
4701 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "sambaSID", tmp_ctx);
4702 if (tmp) {
4703 DEBUG (1, ("ldapsam_create_user: The user [%s] already exist!\n", name));
4704 return NT_STATUS_USER_EXISTS;
4705 }
4706
4707 /* it is just a posix account, retrieve the dn for later use */
4708 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
4709 if (!dn) {
4710 DEBUG(0,("ldapsam_create_user: Out of memory!\n"));
4711 return NT_STATUS_NO_MEMORY;
4712 }
4713 }
4714
4715 if (num_result == 0) {
4716 add_posix = True;
4717 }
4718
4719 /* Create the basic samu structure and generate the mods for the ldap commit */
4720 if (!NT_STATUS_IS_OK((ret = ldapsam_new_rid_internal(my_methods, rid)))) {
4721 DEBUG(1, ("ldapsam_create_user: Could not allocate a new RID\n"));
4722 return ret;
4723 }
4724
4725 sid_compose(&user_sid, get_global_sam_sid(), *rid);
4726
4727 user = samu_new(tmp_ctx);
4728 if (!user) {
4729 DEBUG(1,("ldapsam_create_user: Unable to allocate user struct\n"));
4730 return NT_STATUS_NO_MEMORY;
4731 }
4732
4733 if (!pdb_set_username(user, name, PDB_SET)) {
4734 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
4735 return NT_STATUS_UNSUCCESSFUL;
4736 }
4737 if (!pdb_set_domain(user, get_global_sam_name(), PDB_SET)) {
4738 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
4739 return NT_STATUS_UNSUCCESSFUL;
4740 }
4741 if (is_machine) {
4742 if (acb_info & ACB_NORMAL) {
4743 if (!pdb_set_acct_ctrl(user, ACB_WSTRUST, PDB_SET)) {
4744 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
4745 return NT_STATUS_UNSUCCESSFUL;
4746 }
4747 } else {
4748 if (!pdb_set_acct_ctrl(user, acb_info, PDB_SET)) {
4749 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
4750 return NT_STATUS_UNSUCCESSFUL;
4751 }
4752 }
4753 } else {
4754 if (!pdb_set_acct_ctrl(user, ACB_NORMAL | ACB_DISABLED, PDB_SET)) {
4755 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
4756 return NT_STATUS_UNSUCCESSFUL;
4757 }
4758 }
4759
4760 if (!pdb_set_user_sid(user, &user_sid, PDB_SET)) {
4761 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
4762 return NT_STATUS_UNSUCCESSFUL;
4763 }
4764
4765 if (!init_ldap_from_sam(ldap_state, NULL, &mods, user, element_is_set_or_changed)) {
4766 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
4767 return NT_STATUS_UNSUCCESSFUL;
4768 }
4769
4770 if (ldap_state->schema_ver != SCHEMAVER_SAMBASAMACCOUNT) {
4771 DEBUG(1,("ldapsam_create_user: Unsupported schema version\n"));
4772 }
4773 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_SAMBASAMACCOUNT);
4774
4775 if (add_posix) {
4776 DEBUG(3,("ldapsam_create_user: Creating new posix user\n"));
4777
4778 /* retrieve the Domain Users group gid */
4779 if (!sid_compose(&group_sid, get_global_sam_sid(), DOMAIN_GROUP_RID_USERS) ||
4780 !sid_to_gid(&group_sid, &gid)) {
4781 DEBUG (0, ("ldapsam_create_user: Unable to get the Domain Users gid: bailing out!\n"));
4782 return NT_STATUS_INVALID_PRIMARY_GROUP;
4783 }
4784
4785 /* lets allocate a new userid for this user */
4786 if (!winbind_allocate_uid(&uid)) {
4787 DEBUG (0, ("ldapsam_create_user: Unable to allocate a new user id: bailing out!\n"));
4788 return NT_STATUS_UNSUCCESSFUL;
4789 }
4790
4791
4792 if (is_machine) {
4793 /* TODO: choose a more appropriate default for machines */
4794 homedir = talloc_sub_specified(tmp_ctx, lp_template_homedir(), "SMB_workstations_home", ldap_state->domain_name, uid, gid);
4795 shell = talloc_strdup(tmp_ctx, "/bin/false");
4796 } else {
4797 homedir = talloc_sub_specified(tmp_ctx, lp_template_homedir(), name, ldap_state->domain_name, uid, gid);
4798 shell = talloc_sub_specified(tmp_ctx, lp_template_shell(), name, ldap_state->domain_name, uid, gid);
4799 }
4800 uidstr = talloc_asprintf(tmp_ctx, "%d", uid);
4801 gidstr = talloc_asprintf(tmp_ctx, "%d", gid);
4802 if (is_machine) {
4803 dn = talloc_asprintf(tmp_ctx, "uid=%s,%s", name, lp_ldap_machine_suffix ());
4804 } else {
4805 dn = talloc_asprintf(tmp_ctx, "uid=%s,%s", name, lp_ldap_user_suffix ());
4806 }
4807
4808 if (!homedir || !shell || !uidstr || !gidstr || !dn) {
4809 DEBUG (0, ("ldapsam_create_user: Out of memory!\n"));
4810 return NT_STATUS_NO_MEMORY;
4811 }
4812
4813 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_ACCOUNT);
4814 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_POSIXACCOUNT);
4815 smbldap_set_mod(&mods, LDAP_MOD_ADD, "cn", name);
4816 smbldap_set_mod(&mods, LDAP_MOD_ADD, "uidNumber", uidstr);
4817 smbldap_set_mod(&mods, LDAP_MOD_ADD, "gidNumber", gidstr);
4818 smbldap_set_mod(&mods, LDAP_MOD_ADD, "homeDirectory", homedir);
4819 smbldap_set_mod(&mods, LDAP_MOD_ADD, "loginShell", shell);
4820 }
4821
4822 talloc_autofree_ldapmod(tmp_ctx, mods);
4823
4824 if (add_posix) {
4825 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
4826 } else {
4827 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
4828 }
4829
4830 if (rc != LDAP_SUCCESS) {
4831 DEBUG(0,("ldapsam_create_user: failed to create a new user [%s] (dn = %s)\n", name ,dn));
4832 return NT_STATUS_UNSUCCESSFUL;
4833 }
4834
4835 DEBUG(2,("ldapsam_create_user: added account [%s] in the LDAP database\n", name));
4836
4837 flush_pwnam_cache();
4838
4839 return NT_STATUS_OK;
4840 }
4841
4842 static NTSTATUS ldapsam_delete_user(struct pdb_methods *my_methods, TALLOC_CTX *tmp_ctx, struct samu *sam_acct)
4843 {
4844 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
4845 LDAPMessage *result = NULL;
4846 LDAPMessage *entry = NULL;
4847 int num_result;
4848 const char *dn;
4849 char *filter;
4850 int rc;
4851
4852 DEBUG(0,("ldapsam_delete_user: Attempt to delete user [%s]\n", pdb_get_username(sam_acct)));
4853
4854 filter = talloc_asprintf(tmp_ctx,
4855 "(&(uid=%s)"
4856 "(objectClass=%s)"
4857 "(objectClass=%s))",
4858 pdb_get_username(sam_acct),
4859 LDAP_OBJ_POSIXACCOUNT,
4860 LDAP_OBJ_SAMBASAMACCOUNT);
4861 if (filter == NULL) {
4862 return NT_STATUS_NO_MEMORY;
4863 }
4864
4865 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
4866 if (rc != LDAP_SUCCESS) {
4867 DEBUG(0,("ldapsam_delete_user: user search failed!\n"));
4868 return NT_STATUS_UNSUCCESSFUL;
4869 }
4870 talloc_autofree_ldapmsg(tmp_ctx, result);
4871
4872 num_result = ldap_count_entries(priv2ld(ldap_state), result);
4873
4874 if (num_result == 0) {
4875 DEBUG(0,("ldapsam_delete_user: user not found!\n"));
4876 return NT_STATUS_NO_SUCH_USER;
4877 }
4878
4879 if (num_result > 1) {
4880 DEBUG (0, ("ldapsam_delete_user: More than one user with name [%s] ?!\n", pdb_get_username(sam_acct)));
4881 return NT_STATUS_INTERNAL_DB_CORRUPTION;
4882 }
4883
4884 entry = ldap_first_entry(priv2ld(ldap_state), result);
4885 if (!entry) {
4886 return NT_STATUS_UNSUCCESSFUL;
4887 }
4888
4889 /* it is just a posix account, retrieve the dn for later use */
4890 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
4891 if (!dn) {
4892 DEBUG(0,("ldapsam_delete_user: Out of memory!\n"));
4893 return NT_STATUS_NO_MEMORY;
4894 }
4895
4896 rc = smbldap_delete(ldap_state->smbldap_state, dn);
4897 if (rc != LDAP_SUCCESS) {
4898 return NT_STATUS_UNSUCCESSFUL;
4899 }
4900
4901 flush_pwnam_cache();
4902
4903 return NT_STATUS_OK;
4904 }
4905
4906 /*
4907 * ldapsam_create_group creates a new
4908 * posixGroup and sambaGroupMapping object
4909 * in the ldap groups subtree
4910 *
4911 * The gid is allocated by winbindd.
4912 */
4913
4914 static NTSTATUS ldapsam_create_dom_group(struct pdb_methods *my_methods,
4915 TALLOC_CTX *tmp_ctx,
4916 const char *name,
4917 uint32 *rid)
4918 {
4919 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
4920 NTSTATUS ret;
4921 LDAPMessage *entry = NULL;
4922 LDAPMessage *result = NULL;
4923 uint32 num_result;
4924 BOOL is_new_entry = False;
4925 LDAPMod **mods = NULL;
4926 char *filter;
4927 char *groupsidstr;
4928 char *groupname;
4929 char *grouptype;
4930 char *gidstr;
4931 const char *dn = NULL;
4932 DOM_SID group_sid;
4933 gid_t gid = -1;
4934 int rc;
4935
4936 groupname = escape_ldap_string_alloc(name);
4937 filter = talloc_asprintf(tmp_ctx, "(&(cn=%s)(objectClass=%s))",
4938 groupname, LDAP_OBJ_POSIXGROUP);
4939 SAFE_FREE(groupname);
4940
4941 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
4942 if (rc != LDAP_SUCCESS) {
4943 DEBUG(0,("ldapsam_create_group: ldap search failed!\n"));
4944 return NT_STATUS_UNSUCCESSFUL;
4945 }
4946 talloc_autofree_ldapmsg(tmp_ctx, result);
4947
4948 num_result = ldap_count_entries(priv2ld(ldap_state), result);
4949
4950 if (num_result > 1) {
4951 DEBUG (0, ("ldapsam_create_group: There exists more than one group with name [%s]: bailing out!\n", name));
4952 return NT_STATUS_INTERNAL_DB_CORRUPTION;
4953 }
4954
4955 if (num_result == 1) {
4956 char *tmp;
4957 /* check if it is just a posix group.
4958 * or if there is a sid attached to this entry
4959 */
4960
4961 entry = ldap_first_entry(priv2ld(ldap_state), result);
4962 if (!entry) {
4963 return NT_STATUS_UNSUCCESSFUL;
4964 }
4965
4966 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "sambaSID", tmp_ctx);
4967 if (tmp) {
4968 DEBUG (1, ("ldapsam_create_group: The group [%s] already exist!\n", name));
4969 return NT_STATUS_GROUP_EXISTS;
4970 }
4971
4972 /* it is just a posix group, retrieve the gid and the dn for later use */
4973 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
4974 if (!tmp) {
4975 DEBUG (1, ("ldapsam_create_group: Couldn't retrieve the gidNumber for [%s]?!?!\n", name));
4976 return NT_STATUS_INTERNAL_DB_CORRUPTION;
4977 }
4978
4979 gid = strtoul(tmp, NULL, 10);
4980
4981 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
4982 if (!dn) {
4983 DEBUG(0,("ldapsam_create_group: Out of memory!\n"));
4984 return NT_STATUS_NO_MEMORY;
4985 }
4986 }
4987
4988 if (num_result == 0) {
4989 DEBUG(3,("ldapsam_create_user: Creating new posix group\n"));
4990
4991 is_new_entry = True;
4992
4993 /* lets allocate a new groupid for this group */
4994 if (!winbind_allocate_gid(&gid)) {
4995 DEBUG (0, ("ldapsam_create_group: Unable to allocate a new group id: bailing out!\n"));
4996 return NT_STATUS_UNSUCCESSFUL;
4997 }
4998
4999 gidstr = talloc_asprintf(tmp_ctx, "%d", gid);
5000 dn = talloc_asprintf(tmp_ctx, "cn=%s,%s", name, lp_ldap_group_suffix());
5001
5002 if (!gidstr || !dn) {
5003 DEBUG (0, ("ldapsam_create_group: Out of memory!\n"));
5004 return NT_STATUS_NO_MEMORY;
5005 }
5006
5007 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_POSIXGROUP);
5008 smbldap_set_mod(&mods, LDAP_MOD_ADD, "cn", name);
5009 smbldap_set_mod(&mods, LDAP_MOD_ADD, "gidNumber", gidstr);
5010 }
5011
5012 if (!NT_STATUS_IS_OK((ret = ldapsam_new_rid_internal(my_methods, rid)))) {
5013 DEBUG(1, ("ldapsam_create_group: Could not allocate a new RID\n"));
5014 return ret;
5015 }
5016
5017 sid_compose(&group_sid, get_global_sam_sid(), *rid);
5018
5019 groupsidstr = talloc_strdup(tmp_ctx, sid_string_static(&group_sid));
5020 grouptype = talloc_asprintf(tmp_ctx, "%d", SID_NAME_DOM_GRP);
5021
5022 if (!groupsidstr || !grouptype) {
5023 DEBUG(0,("ldapsam_create_group: Out of memory!\n"));
5024 return NT_STATUS_NO_MEMORY;
5025 }
5026
5027 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_GROUPMAP);
5028 smbldap_set_mod(&mods, LDAP_MOD_ADD, "sambaSid", groupsidstr);
5029 smbldap_set_mod(&mods, LDAP_MOD_ADD, "sambaGroupType", grouptype);
5030 smbldap_set_mod(&mods, LDAP_MOD_ADD, "displayName", name);
5031 talloc_autofree_ldapmod(tmp_ctx, mods);
5032
5033 if (is_new_entry) {
5034 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5035 #if 0
5036 if (rc == LDAP_OBJECT_CLASS_VIOLATION) {
5037 /* This call may fail with rfc2307bis schema */
5038 /* Retry adding a structural class */
5039 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", "????");
5040 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5041 }
5042 #endif
5043 } else {
5044 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5045 }
5046
5047 if (rc != LDAP_SUCCESS) {
5048 DEBUG(0,("ldapsam_create_group: failed to create a new group [%s] (dn = %s)\n", name ,dn));
5049 return NT_STATUS_UNSUCCESSFUL;
5050 }
5051
5052 DEBUG(2,("ldapsam_create_group: added group [%s] in the LDAP database\n", name));
5053
5054 return NT_STATUS_OK;
5055 }
5056
5057 static NTSTATUS ldapsam_delete_dom_group(struct pdb_methods *my_methods, TALLOC_CTX *tmp_ctx, uint32 rid)
5058 {
5059 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5060 LDAPMessage *result = NULL;
5061 LDAPMessage *entry = NULL;
5062 int num_result;
5063 const char *dn;
5064 char *gidstr;
5065 char *filter;
5066 DOM_SID group_sid;
5067 int rc;
5068
5069 /* get the group sid */
5070 sid_compose(&group_sid, get_global_sam_sid(), rid);
5071
5072 filter = talloc_asprintf(tmp_ctx,
5073 "(&(sambaSID=%s)"
5074 "(objectClass=%s)"
5075 "(objectClass=%s))",
5076 sid_string_static(&group_sid),
5077 LDAP_OBJ_POSIXGROUP,
5078 LDAP_OBJ_GROUPMAP);
5079 if (filter == NULL) {
5080 return NT_STATUS_NO_MEMORY;
5081 }
5082
5083 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5084 if (rc != LDAP_SUCCESS) {
5085 DEBUG(1,("ldapsam_delete_dom_group: group search failed!\n"));
5086 return NT_STATUS_UNSUCCESSFUL;
5087 }
5088 talloc_autofree_ldapmsg(tmp_ctx, result);
5089
5090 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5091
5092 if (num_result == 0) {
5093 DEBUG(1,("ldapsam_delete_dom_group: group not found!\n"));
5094 return NT_STATUS_NO_SUCH_GROUP;
5095 }
5096
5097 if (num_result > 1) {
5098 DEBUG (0, ("ldapsam_delete_dom_group: More than one group with the same SID ?!\n"));
5099 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5100 }
5101
5102 entry = ldap_first_entry(priv2ld(ldap_state), result);
5103 if (!entry) {
5104 return NT_STATUS_UNSUCCESSFUL;
5105 }
5106
5107 /* here it is, retrieve the dn for later use */
5108 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5109 if (!dn) {
5110 DEBUG(0,("ldapsam_delete_dom_group: Out of memory!\n"));
5111 return NT_STATUS_NO_MEMORY;
5112 }
5113
5114 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5115 if (!gidstr) {
5116 DEBUG (0, ("ldapsam_delete_dom_group: Unable to find the group's gid!\n"));
5117 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5118 }
5119
5120 /* check no user have this group marked as primary group */
5121 filter = talloc_asprintf(tmp_ctx,
5122 "(&(gidNumber=%s)"
5123 "(objectClass=%s)"
5124 "(objectClass=%s))",
5125 gidstr,
5126 LDAP_OBJ_POSIXACCOUNT,
5127 LDAP_OBJ_SAMBASAMACCOUNT);
5128
5129 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5130 if (rc != LDAP_SUCCESS) {
5131 DEBUG(1,("ldapsam_delete_dom_group: accounts search failed!\n"));
5132 return NT_STATUS_UNSUCCESSFUL;
5133 }
5134 talloc_autofree_ldapmsg(tmp_ctx, result);
5135
5136 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5137
5138 if (num_result != 0) {
5139 DEBUG(3,("ldapsam_delete_dom_group: Can't delete group, it is a primary group for %d users\n", num_result));
5140 return NT_STATUS_MEMBERS_PRIMARY_GROUP;
5141 }
5142
5143 rc = smbldap_delete(ldap_state->smbldap_state, dn);
5144 if (rc != LDAP_SUCCESS) {
5145 return NT_STATUS_UNSUCCESSFUL;
5146 }
5147
5148 return NT_STATUS_OK;
5149 }
5150
5151 static NTSTATUS ldapsam_change_groupmem(struct pdb_methods *my_methods,
5152 TALLOC_CTX *tmp_ctx,
5153 uint32 group_rid,
5154 uint32 member_rid,
5155 int modop)
5156 {
5157 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5158 LDAPMessage *entry = NULL;
5159 LDAPMessage *result = NULL;
5160 uint32 num_result;
5161 LDAPMod **mods = NULL;
5162 char *filter;
5163 char *uidstr;
5164 const char *dn = NULL;
5165 DOM_SID group_sid;
5166 DOM_SID member_sid;
5167 int rc;
5168
5169 switch (modop) {
5170 case LDAP_MOD_ADD:
5171 DEBUG(1,("ldapsam_change_groupmem: add new member(rid=%d) to a domain group(rid=%d)", member_rid, group_rid));
5172 break;
5173 case LDAP_MOD_DELETE:
5174 DEBUG(1,("ldapsam_change_groupmem: delete member(rid=%d) from a domain group(rid=%d)", member_rid, group_rid));
5175 break;
5176 default:
5177 return NT_STATUS_UNSUCCESSFUL;
5178 }
5179
5180 /* get member sid */
5181 sid_compose(&member_sid, get_global_sam_sid(), member_rid);
5182
5183 /* get the group sid */
5184 sid_compose(&group_sid, get_global_sam_sid(), group_rid);
5185
5186 filter = talloc_asprintf(tmp_ctx,
5187 "(&(sambaSID=%s)"
5188 "(objectClass=%s)"
5189 "(objectClass=%s))",
5190 sid_string_static(&member_sid),
5191 LDAP_OBJ_POSIXACCOUNT,
5192 LDAP_OBJ_SAMBASAMACCOUNT);
5193 if (filter == NULL) {
5194 return NT_STATUS_NO_MEMORY;
5195 }
5196
5197 /* get the member uid */
5198 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5199 if (rc != LDAP_SUCCESS) {
5200 DEBUG(1,("ldapsam_change_groupmem: member search failed!\n"));
5201 return NT_STATUS_UNSUCCESSFUL;
5202 }
5203 talloc_autofree_ldapmsg(tmp_ctx, result);
5204
5205 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5206
5207 if (num_result == 0) {
5208 DEBUG(1,("ldapsam_change_groupmem: member not found!\n"));
5209 return NT_STATUS_NO_SUCH_MEMBER;
5210 }
5211
5212 if (num_result > 1) {
5213 DEBUG (0, ("ldapsam_change_groupmem: More than one account with the same SID ?!\n"));
5214 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5215 }
5216
5217 entry = ldap_first_entry(priv2ld(ldap_state), result);
5218 if (!entry) {
5219 return NT_STATUS_UNSUCCESSFUL;
5220 }
5221
5222 if (modop == LDAP_MOD_DELETE) {
5223 /* check if we are trying to remove the member from his primary group */
5224 char *gidstr;
5225 gid_t user_gid, group_gid;
5226
5227 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5228 if (!gidstr) {
5229 DEBUG (0, ("ldapsam_change_groupmem: Unable to find the member's gid!\n"));
5230 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5231 }
5232
5233 user_gid = strtoul(gidstr, NULL, 10);
5234
5235 if (!sid_to_gid(&group_sid, &group_gid)) {
5236 DEBUG (0, ("ldapsam_change_groupmem: Unable to get group gid from SID!\n"));
5237 return NT_STATUS_UNSUCCESSFUL;
5238 }
5239
5240 if (user_gid == group_gid) {
5241 DEBUG (3, ("ldapsam_change_groupmem: can't remove user from it's own primary group!\n"));
5242 return NT_STATUS_MEMBERS_PRIMARY_GROUP;
5243 }
5244 }
5245
5246 /* here it is, retrieve the uid for later use */
5247 uidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "uid", tmp_ctx);
5248 if (!uidstr) {
5249 DEBUG (0, ("ldapsam_change_groupmem: Unable to find the member's name!\n"));
5250 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5251 }
5252
5253 filter = talloc_asprintf(tmp_ctx,
5254 "(&(sambaSID=%s)"
5255 "(objectClass=%s)"
5256 "(objectClass=%s))",
5257 sid_string_static(&group_sid),
5258 LDAP_OBJ_POSIXGROUP,
5259 LDAP_OBJ_GROUPMAP);
5260
5261 /* get the group */
5262 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5263 if (rc != LDAP_SUCCESS) {
5264 DEBUG(1,("ldapsam_change_groupmem: group search failed!\n"));
5265 return NT_STATUS_UNSUCCESSFUL;
5266 }
5267 talloc_autofree_ldapmsg(tmp_ctx, result);
5268
5269 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5270
5271 if (num_result == 0) {
5272 DEBUG(1,("ldapsam_change_groupmem: group not found!\n"));
5273 return NT_STATUS_NO_SUCH_GROUP;
5274 }
5275
5276 if (num_result > 1) {
5277 DEBUG (0, ("ldapsam_change_groupmem: More than one group with the same SID ?!\n"));
5278 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5279 }
5280
5281 entry = ldap_first_entry(priv2ld(ldap_state), result);
5282 if (!entry) {
5283 return NT_STATUS_UNSUCCESSFUL;
5284 }
5285
5286 /* here it is, retrieve the dn for later use */
5287 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5288 if (!dn) {
5289 DEBUG(0,("ldapsam_change_groupmem: Out of memory!\n"));
5290 return NT_STATUS_NO_MEMORY;
5291 }
5292
5293 smbldap_set_mod(&mods, modop, "memberUid", uidstr);
5294
5295 talloc_autofree_ldapmod(tmp_ctx, mods);
5296
5297 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5298 if (rc != LDAP_SUCCESS) {
5299 if (rc == LDAP_TYPE_OR_VALUE_EXISTS && modop == LDAP_MOD_ADD) {
5300 DEBUG(1,("ldapsam_change_groupmem: member is already in group, add failed!\n"));
5301 return NT_STATUS_MEMBER_IN_GROUP;
5302 }
5303 if (rc == LDAP_NO_SUCH_ATTRIBUTE && modop == LDAP_MOD_DELETE) {
5304 DEBUG(1,("ldapsam_change_groupmem: member is not in group, delete failed!\n"));
5305 return NT_STATUS_MEMBER_NOT_IN_GROUP;
5306 }
5307 return NT_STATUS_UNSUCCESSFUL;
5308 }
5309
5310 return NT_STATUS_OK;
5311 }
5312
5313 static NTSTATUS ldapsam_add_groupmem(struct pdb_methods *my_methods,
5314 TALLOC_CTX *tmp_ctx,
5315 uint32 group_rid,
5316 uint32 member_rid)
5317 {
5318 return ldapsam_change_groupmem(my_methods, tmp_ctx, group_rid, member_rid, LDAP_MOD_ADD);
5319 }
5320 static NTSTATUS ldapsam_del_groupmem(struct pdb_methods *my_methods,
5321 TALLOC_CTX *tmp_ctx,
5322 uint32 group_rid,
5323 uint32 member_rid)
5324 {
5325 return ldapsam_change_groupmem(my_methods, tmp_ctx, group_rid, member_rid, LDAP_MOD_DELETE);
5326 }
5327
5328 static NTSTATUS ldapsam_set_primary_group(struct pdb_methods *my_methods,
5329 TALLOC_CTX *mem_ctx,
5330 struct samu *sampass)
5331 {
5332 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5333 LDAPMessage *entry = NULL;
5334 LDAPMessage *result = NULL;
5335 uint32 num_result;
5336 LDAPMod **mods = NULL;
5337 char *filter;
5338 char *gidstr;
5339 const char *dn = NULL;
5340 gid_t gid;
5341 int rc;
5342
5343 DEBUG(0,("ldapsam_set_primary_group: Attempt to set primary group for user [%s]\n", pdb_get_username(sampass)));
5344
5345 if (!sid_to_gid(pdb_get_group_sid(sampass), &gid)) {
5346 DEBUG(0,("ldapsam_set_primary_group: failed to retieve gid from user's group SID!\n"));
5347 return NT_STATUS_UNSUCCESSFUL;
5348 }
5349 gidstr = talloc_asprintf(mem_ctx, "%d", gid);
5350 if (!gidstr) {
5351 DEBUG(0,("ldapsam_set_primary_group: Out of Memory!\n"));
5352 return NT_STATUS_NO_MEMORY;
5353 }
5354
5355 filter = talloc_asprintf(mem_ctx,
5356 "(&(uid=%s)"
5357 "(objectClass=%s)"
5358 "(objectClass=%s))",
5359 pdb_get_username(sampass),
5360 LDAP_OBJ_POSIXACCOUNT,
5361 LDAP_OBJ_SAMBASAMACCOUNT);
5362 if (filter == NULL) {
5363 return NT_STATUS_NO_MEMORY;
5364 }
5365
5366 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5367 if (rc != LDAP_SUCCESS) {
5368 DEBUG(0,("ldapsam_set_primary_group: user search failed!\n"));
5369 return NT_STATUS_UNSUCCESSFUL;
5370 }
5371 talloc_autofree_ldapmsg(mem_ctx, result);
5372
5373 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5374
5375 if (num_result == 0) {
5376 DEBUG(0,("ldapsam_set_primary_group: user not found!\n"));
5377 return NT_STATUS_NO_SUCH_USER;
5378 }
5379
5380 if (num_result > 1) {
5381 DEBUG (0, ("ldapsam_set_primary_group: More than one user with name [%s] ?!\n", pdb_get_username(sampass)));
5382 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5383 }
5384
5385 entry = ldap_first_entry(priv2ld(ldap_state), result);
5386 if (!entry) {
5387 return NT_STATUS_UNSUCCESSFUL;
5388 }
5389
5390 /* retrieve the dn for later use */
5391 dn = smbldap_talloc_dn(mem_ctx, priv2ld(ldap_state), entry);
5392 if (!dn) {
5393 DEBUG(0,("ldapsam_set_primary_group: Out of memory!\n"));
5394 return NT_STATUS_NO_MEMORY;
5395 }
5396
5397 /* remove the old one, and add the new one, this way we do not risk races */
5398 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "gidNumber", gidstr);
5399
5400 if (mods == NULL) {
5401 return NT_STATUS_OK;
5402 }
5403
5404 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5405
5406 if (rc != LDAP_SUCCESS) {
5407 DEBUG(0,("ldapsam_set_primary_group: failed to modify [%s] primary group to [%s]\n",
5408 pdb_get_username(sampass), gidstr));
5409 return NT_STATUS_UNSUCCESSFUL;
5410 }
5411
5412 flush_pwnam_cache();
5413
5414 return NT_STATUS_OK;
5415 }
5416
5417 /**********************************************************************
5418 Housekeeping
5419 *********************************************************************/
5420
5421 static void free_private_data(void **vp)
5422 {
5423 struct ldapsam_privates **ldap_state = (struct ldapsam_privates **)vp;
5424
5425 smbldap_free_struct(&(*ldap_state)->smbldap_state);
5426
5427 if ((*ldap_state)->result != NULL) {
5428 ldap_msgfree((*ldap_state)->result);
5429 (*ldap_state)->result = NULL;
5430 }
5431 if ((*ldap_state)->domain_dn != NULL) {
5432 SAFE_FREE((*ldap_state)->domain_dn);
5433 }
5434
5435 *ldap_state = NULL;
5436
5437 /* No need to free any further, as it is talloc()ed */
5438 }
5439
5440 /*********************************************************************
5441 Intitalise the parts of the pdb_methods structure that are common to
5442 all pdb_ldap modes
5443 *********************************************************************/
5444
5445 static NTSTATUS pdb_init_ldapsam_common(struct pdb_methods **pdb_method, const char *location)
5446 {
5447 NTSTATUS nt_status;
5448 struct ldapsam_privates *ldap_state;
5449
5450 if (!NT_STATUS_IS_OK(nt_status = make_pdb_method( pdb_method ))) {
5451 return nt_status;
5452 }
5453
5454 (*pdb_method)->name = "ldapsam";
5455
5456 (*pdb_method)->setsampwent = ldapsam_setsampwent;
5457 (*pdb_method)->endsampwent = ldapsam_endsampwent;
5458 (*pdb_method)->getsampwent = ldapsam_getsampwent;
5459 (*pdb_method)->getsampwnam = ldapsam_getsampwnam;
5460 (*pdb_method)->getsampwsid = ldapsam_getsampwsid;
5461 (*pdb_method)->add_sam_account = ldapsam_add_sam_account;
5462 (*pdb_method)->update_sam_account = ldapsam_update_sam_account;
5463 (*pdb_method)->delete_sam_account = ldapsam_delete_sam_account;
5464 (*pdb_method)->rename_sam_account = ldapsam_rename_sam_account;
5465
5466 (*pdb_method)->getgrsid = ldapsam_getgrsid;
5467 (*pdb_method)->getgrgid = ldapsam_getgrgid;
5468 (*pdb_method)->getgrnam = ldapsam_getgrnam;
5469 (*pdb_method)->add_group_mapping_entry = ldapsam_add_group_mapping_entry;
5470 (*pdb_method)->update_group_mapping_entry = ldapsam_update_group_mapping_entry;
5471 (*pdb_method)->delete_group_mapping_entry = ldapsam_delete_group_mapping_entry;
5472 (*pdb_method)->enum_group_mapping = ldapsam_enum_group_mapping;
5473
5474 (*pdb_method)->get_account_policy = ldapsam_get_account_policy;
5475 (*pdb_method)->set_account_policy = ldapsam_set_account_policy;
5476
5477 (*pdb_method)->get_seq_num = ldapsam_get_seq_num;
5478
5479 (*pdb_method)->rid_algorithm = ldapsam_rid_algorithm;
5480 (*pdb_method)->new_rid = ldapsam_new_rid;
5481
5482 /* TODO: Setup private data and free */
5483
5484 if ( !(ldap_state = TALLOC_ZERO_P(*pdb_method, struct ldapsam_privates)) ) {
5485 DEBUG(0, ("pdb_init_ldapsam_common: talloc() failed for ldapsam private_data!\n"));
5486 return NT_STATUS_NO_MEMORY;
5487 }
5488
5489 nt_status = smbldap_init(*pdb_method, location, &ldap_state->smbldap_state);
5490
5491 if ( !NT_STATUS_IS_OK(nt_status) ) {
5492 return nt_status;
5493 }
5494
5495 if ( !(ldap_state->domain_name = talloc_strdup(*pdb_method, get_global_sam_name()) ) ) {
5496 return NT_STATUS_NO_MEMORY;
5497 }
5498
5499 (*pdb_method)->private_data = ldap_state;
5500
5501 (*pdb_method)->free_private_data = free_private_data;
5502
5503 return NT_STATUS_OK;
5504 }
5505
5506 /**********************************************************************
5507 Initialise the 'compat' mode for pdb_ldap
5508 *********************************************************************/
5509
5510 NTSTATUS pdb_init_ldapsam_compat(struct pdb_methods **pdb_method, const char *location)
5511 {
5512 NTSTATUS nt_status;
5513 struct ldapsam_privates *ldap_state;
5514 char *uri = talloc_strdup( NULL, location );
5515
5516 trim_char( uri, '\"', '\"' );
5517 nt_status = pdb_init_ldapsam_common( pdb_method, uri );
5518 if ( uri )
5519 TALLOC_FREE( uri );
5520
5521 if ( !NT_STATUS_IS_OK(nt_status) ) {
5522 return nt_status;
5523 }
5524
5525 (*pdb_method)->name = "ldapsam_compat";
5526
5527 ldap_state = (struct ldapsam_privates *)((*pdb_method)->private_data);
5528 ldap_state->schema_ver = SCHEMAVER_SAMBAACCOUNT;
5529
5530 sid_copy(&ldap_state->domain_sid, get_global_sam_sid());
5531
5532 return NT_STATUS_OK;
5533 }
5534
5535 /**********************************************************************
5536 Initialise the normal mode for pdb_ldap
5537 *********************************************************************/
5538
5539 NTSTATUS pdb_init_ldapsam(struct pdb_methods **pdb_method, const char *location)
5540 {
5541 NTSTATUS nt_status;
5542 struct ldapsam_privates *ldap_state;
5543 uint32 alg_rid_base;
5544 pstring alg_rid_base_string;
5545 LDAPMessage *result = NULL;
5546 LDAPMessage *entry = NULL;
5547 DOM_SID ldap_domain_sid;
5548 DOM_SID secrets_domain_sid;
5549 pstring domain_sid_string;
5550 char *dn;
5551 char *uri = talloc_strdup( NULL, location );
5552
5553 trim_char( uri, '\"', '\"' );
5554 nt_status = pdb_init_ldapsam_common(pdb_method, uri);
5555 if ( uri )
5556 TALLOC_FREE( uri );
5557
5558 if (!NT_STATUS_IS_OK(nt_status)) {
5559 return nt_status;
5560 }
5561
5562 (*pdb_method)->name = "ldapsam";
5563
5564 (*pdb_method)->add_aliasmem = ldapsam_add_aliasmem;
5565 (*pdb_method)->del_aliasmem = ldapsam_del_aliasmem;
5566 (*pdb_method)->enum_aliasmem = ldapsam_enum_aliasmem;
5567 (*pdb_method)->enum_alias_memberships = ldapsam_alias_memberships;
5568 (*pdb_method)->search_users = ldapsam_search_users;
5569 (*pdb_method)->search_groups = ldapsam_search_groups;
5570 (*pdb_method)->search_aliases = ldapsam_search_aliases;
5571
5572 if (lp_parm_bool(-1, "ldapsam", "trusted", False)) {
5573 (*pdb_method)->enum_group_members = ldapsam_enum_group_members;
5574 (*pdb_method)->enum_group_memberships =
5575 ldapsam_enum_group_memberships;
5576 (*pdb_method)->lookup_rids = ldapsam_lookup_rids;
5577 (*pdb_method)->sid_to_id = ldapsam_sid_to_id;
5578
5579 if (lp_parm_bool(-1, "ldapsam", "editposix", False)) {
5580 (*pdb_method)->create_user = ldapsam_create_user;
5581 (*pdb_method)->delete_user = ldapsam_delete_user;
5582 (*pdb_method)->create_dom_group = ldapsam_create_dom_group;
5583 (*pdb_method)->delete_dom_group = ldapsam_delete_dom_group;
5584 (*pdb_method)->add_groupmem = ldapsam_add_groupmem;
5585 (*pdb_method)->del_groupmem = ldapsam_del_groupmem;
5586 (*pdb_method)->set_unix_primary_group = ldapsam_set_primary_group;
5587 }
5588 }
5589
5590 ldap_state = (struct ldapsam_privates *)((*pdb_method)->private_data);
5591 ldap_state->schema_ver = SCHEMAVER_SAMBASAMACCOUNT;
5592
5593 /* Try to setup the Domain Name, Domain SID, algorithmic rid base */
5594
5595 nt_status = smbldap_search_domain_info(ldap_state->smbldap_state,
5596 &result,
5597 ldap_state->domain_name, True);
5598
5599 if ( !NT_STATUS_IS_OK(nt_status) ) {
5600 DEBUG(2, ("pdb_init_ldapsam: WARNING: Could not get domain "
5601 "info, nor add one to the domain\n"));
5602 DEBUGADD(2, ("pdb_init_ldapsam: Continuing on regardless, "
5603 "will be unable to allocate new users/groups, "
5604 "and will risk BDCs having inconsistant SIDs\n"));
5605 sid_copy(&ldap_state->domain_sid, get_global_sam_sid());
5606 return NT_STATUS_OK;
5607 }
5608
5609 /* Given that the above might fail, everything below this must be
5610 * optional */
5611
5612 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
5613 result);
5614 if (!entry) {
5615 DEBUG(0, ("pdb_init_ldapsam: Could not get domain info "
5616 "entry\n"));
5617 ldap_msgfree(result);
5618 return NT_STATUS_UNSUCCESSFUL;
5619 }
5620
5621 dn = smbldap_get_dn(ldap_state->smbldap_state->ldap_struct, entry);
5622 if (!dn) {
5623 return NT_STATUS_UNSUCCESSFUL;
5624 }
5625
5626 ldap_state->domain_dn = smb_xstrdup(dn);
5627 ldap_memfree(dn);
5628
5629 if (smbldap_get_single_pstring(
5630 ldap_state->smbldap_state->ldap_struct,
5631 entry,
5632 get_userattr_key2string(ldap_state->schema_ver,
5633 LDAP_ATTR_USER_SID),
5634 domain_sid_string)) {
5635 BOOL found_sid;
5636 if (!string_to_sid(&ldap_domain_sid, domain_sid_string)) {
5637 DEBUG(1, ("pdb_init_ldapsam: SID [%s] could not be "
5638 "read as a valid SID\n", domain_sid_string));
5639 return NT_STATUS_INVALID_PARAMETER;
5640 }
5641 found_sid = secrets_fetch_domain_sid(ldap_state->domain_name,
5642 &secrets_domain_sid);
5643 if (!found_sid || !sid_equal(&secrets_domain_sid,
5644 &ldap_domain_sid)) {
5645 fstring new_sid_str, old_sid_str;
5646 DEBUG(1, ("pdb_init_ldapsam: Resetting SID for domain "
5647 "%s based on pdb_ldap results %s -> %s\n",
5648 ldap_state->domain_name,
5649 sid_to_string(old_sid_str,
5650 &secrets_domain_sid),
5651 sid_to_string(new_sid_str,
5652 &ldap_domain_sid)));
5653
5654 /* reset secrets.tdb sid */
5655 secrets_store_domain_sid(ldap_state->domain_name,
5656 &ldap_domain_sid);
5657 DEBUG(1, ("New global sam SID: %s\n",
5658 sid_to_string(new_sid_str,
5659 get_global_sam_sid())));
5660 }
5661 sid_copy(&ldap_state->domain_sid, &ldap_domain_sid);
5662 }
5663
5664 if (smbldap_get_single_pstring(
5665 ldap_state->smbldap_state->ldap_struct,
5666 entry,
5667 get_attr_key2string( dominfo_attr_list,
5668 LDAP_ATTR_ALGORITHMIC_RID_BASE ),
5669 alg_rid_base_string)) {
5670 alg_rid_base = (uint32)atol(alg_rid_base_string);
5671 if (alg_rid_base != algorithmic_rid_base()) {
5672 DEBUG(0, ("The value of 'algorithmic RID base' has "
5673 "changed since the LDAP\n"
5674 "database was initialised. Aborting. \n"));
5675 ldap_msgfree(result);
5676 return NT_STATUS_UNSUCCESSFUL;
5677 }
5678 }
5679 ldap_msgfree(result);
5680
5681 return NT_STATUS_OK;
5682 }
5683
5684 NTSTATUS pdb_ldap_init(void)
5685 {
5686 NTSTATUS nt_status;
5687 if (!NT_STATUS_IS_OK(nt_status = smb_register_passdb(PASSDB_INTERFACE_VERSION, "ldapsam", pdb_init_ldapsam)))
5688 return nt_status;
5689
5690 if (!NT_STATUS_IS_OK(nt_status = smb_register_passdb(PASSDB_INTERFACE_VERSION, "ldapsam_compat", pdb_init_ldapsam_compat)))
5691 return nt_status;
5692
5693 /* Let pdb_nds register backends */
5694 pdb_nds_init();
5695
5696 return NT_STATUS_OK;
5697 }
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