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mount.cifs: check access of credential files before opening
[Samba.git] / source / passdb / pdb_ldap.c
blobe1f57a8337cb5ac566f78e7077bdaca5674519af
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 if ( !strptime(temp, "%Y%m%d%H%M%SZ", &tm)) {
459 DEBUG(2,("ldapsam_get_entry_timestamp: strptime failed on: %s\n",
460 (char*)temp));
461 return (time_t) 0;
462 }
463 tzset();
464 return timegm(&tm);
465 }
466
467 /**********************************************************************
468 Initialize struct samu from an LDAP query.
469 (Based on init_sam_from_buffer in pdb_tdb.c)
470 *********************************************************************/
471
472 static BOOL init_sam_from_ldap(struct ldapsam_privates *ldap_state,
473 struct samu * sampass,
474 LDAPMessage * entry)
475 {
476 time_t logon_time,
477 logoff_time,
478 kickoff_time,
479 pass_last_set_time,
480 pass_can_change_time,
481 pass_must_change_time,
482 ldap_entry_time,
483 bad_password_time;
484 pstring username,
485 domain,
486 nt_username,
487 fullname,
488 homedir,
489 dir_drive,
490 logon_script,
491 profile_path,
492 acct_desc,
493 workstations;
494 char munged_dial[2048];
495 uint32 user_rid;
496 uint8 smblmpwd[LM_HASH_LEN],
497 smbntpwd[NT_HASH_LEN];
498 BOOL use_samba_attrs = True;
499 uint32 acct_ctrl = 0;
500 uint16 logon_divs;
501 uint16 bad_password_count = 0,
502 logon_count = 0;
503 uint32 hours_len;
504 uint8 hours[MAX_HOURS_LEN];
505 pstring temp;
506 LOGIN_CACHE *cache_entry = NULL;
507 uint32 pwHistLen;
508 pstring tmpstring;
509 BOOL expand_explicit = lp_passdb_expand_explicit();
510
511 /*
512 * do a little initialization
513 */
514 username[0] = '\0';
515 domain[0] = '\0';
516 nt_username[0] = '\0';
517 fullname[0] = '\0';
518 homedir[0] = '\0';
519 dir_drive[0] = '\0';
520 logon_script[0] = '\0';
521 profile_path[0] = '\0';
522 acct_desc[0] = '\0';
523 munged_dial[0] = '\0';
524 workstations[0] = '\0';
525
526
527 if (sampass == NULL || ldap_state == NULL || entry == NULL) {
528 DEBUG(0, ("init_sam_from_ldap: NULL parameters found!\n"));
529 return False;
530 }
531
532 if (priv2ld(ldap_state) == NULL) {
533 DEBUG(0, ("init_sam_from_ldap: ldap_state->smbldap_state->"
534 "ldap_struct is NULL!\n"));
535 return False;
536 }
537
538 if (!smbldap_get_single_pstring(priv2ld(ldap_state), entry, "uid",
539 username)) {
540 DEBUG(1, ("init_sam_from_ldap: No uid attribute found for "
541 "this user!\n"));
542 return False;
543 }
544
545 DEBUG(2, ("init_sam_from_ldap: Entry found for user: %s\n", username));
546
547 pstrcpy(nt_username, username);
548
549 pstrcpy(domain, ldap_state->domain_name);
550
551 pdb_set_username(sampass, username, PDB_SET);
552
553 pdb_set_domain(sampass, domain, PDB_DEFAULT);
554 pdb_set_nt_username(sampass, nt_username, PDB_SET);
555
556 /* deal with different attributes between the schema first */
557
558 if ( ldap_state->schema_ver == SCHEMAVER_SAMBASAMACCOUNT ) {
559 if (smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
560 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_SID), temp)) {
561 pdb_set_user_sid_from_string(sampass, temp, PDB_SET);
562 }
563 } else {
564 if (smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
565 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_RID), temp)) {
566 user_rid = (uint32)atol(temp);
567 pdb_set_user_sid_from_rid(sampass, user_rid, PDB_SET);
568 }
569 }
570
571 if (pdb_get_init_flags(sampass,PDB_USERSID) == PDB_DEFAULT) {
572 DEBUG(1, ("init_sam_from_ldap: no %s or %s attribute found for this user %s\n",
573 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_SID),
574 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_RID),
575 username));
576 return False;
577 }
578
579 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
580 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_LAST_SET), temp)) {
581 /* leave as default */
582 } else {
583 pass_last_set_time = (time_t) atol(temp);
584 pdb_set_pass_last_set_time(sampass, pass_last_set_time, PDB_SET);
585 }
586
587 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
588 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_TIME), temp)) {
589 /* leave as default */
590 } else {
591 logon_time = (time_t) atol(temp);
592 pdb_set_logon_time(sampass, logon_time, PDB_SET);
593 }
594
595 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
596 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGOFF_TIME), temp)) {
597 /* leave as default */
598 } else {
599 logoff_time = (time_t) atol(temp);
600 pdb_set_logoff_time(sampass, logoff_time, PDB_SET);
601 }
602
603 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
604 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_KICKOFF_TIME), temp)) {
605 /* leave as default */
606 } else {
607 kickoff_time = (time_t) atol(temp);
608 pdb_set_kickoff_time(sampass, kickoff_time, PDB_SET);
609 }
610
611 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
612 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_CAN_CHANGE), temp)) {
613 /* leave as default */
614 } else {
615 pass_can_change_time = (time_t) atol(temp);
616 pdb_set_pass_can_change_time(sampass, pass_can_change_time, PDB_SET);
617 }
618
619 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
620 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_MUST_CHANGE), temp)) {
621 /* leave as default */
622 } else {
623 pass_must_change_time = (time_t) atol(temp);
624 pdb_set_pass_must_change_time(sampass, pass_must_change_time, PDB_SET);
625 }
626
627 /* recommend that 'gecos' and 'displayName' should refer to the same
628 * attribute OID. userFullName depreciated, only used by Samba
629 * primary rules of LDAP: don't make a new attribute when one is already defined
630 * that fits your needs; using cn then displayName rather than 'userFullName'
631 */
632
633 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
634 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DISPLAY_NAME), fullname)) {
635 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
636 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_CN), fullname)) {
637 /* leave as default */
638 } else {
639 pdb_set_fullname(sampass, fullname, PDB_SET);
640 }
641 } else {
642 pdb_set_fullname(sampass, fullname, PDB_SET);
643 }
644
645 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
646 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_DRIVE), dir_drive))
647 {
648 pdb_set_dir_drive( sampass, lp_logon_drive(), PDB_DEFAULT );
649 } else {
650 pdb_set_dir_drive(sampass, dir_drive, PDB_SET);
651 }
652
653 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
654 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_PATH), homedir))
655 {
656 pdb_set_homedir( sampass,
657 talloc_sub_basic(sampass, username, domain,
658 lp_logon_home()),
659 PDB_DEFAULT );
660 } else {
661 pstrcpy( tmpstring, homedir );
662 if (expand_explicit) {
663 standard_sub_basic( username, domain, tmpstring,
664 sizeof(tmpstring) );
665 }
666 pdb_set_homedir(sampass, tmpstring, PDB_SET);
667 }
668
669 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
670 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_SCRIPT), logon_script))
671 {
672 pdb_set_logon_script( sampass,
673 talloc_sub_basic(sampass, username, domain,
674 lp_logon_script()),
675 PDB_DEFAULT );
676 } else {
677 pstrcpy( tmpstring, logon_script );
678 if (expand_explicit) {
679 standard_sub_basic( username, domain, tmpstring,
680 sizeof(tmpstring) );
681 }
682 pdb_set_logon_script(sampass, tmpstring, PDB_SET);
683 }
684
685 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
686 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PROFILE_PATH), profile_path))
687 {
688 pdb_set_profile_path( sampass,
689 talloc_sub_basic( sampass, username, domain,
690 lp_logon_path()),
691 PDB_DEFAULT );
692 } else {
693 pstrcpy( tmpstring, profile_path );
694 if (expand_explicit) {
695 standard_sub_basic( username, domain, tmpstring,
696 sizeof(tmpstring) );
697 }
698 pdb_set_profile_path(sampass, tmpstring, PDB_SET);
699 }
700
701 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
702 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DESC), acct_desc))
703 {
704 /* leave as default */
705 } else {
706 pdb_set_acct_desc(sampass, acct_desc, PDB_SET);
707 }
708
709 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
710 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_WKS), workstations)) {
711 /* leave as default */;
712 } else {
713 pdb_set_workstations(sampass, workstations, PDB_SET);
714 }
715
716 if (!smbldap_get_single_attribute(ldap_state->smbldap_state->ldap_struct, entry,
717 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_MUNGED_DIAL), munged_dial, sizeof(munged_dial))) {
718 /* leave as default */;
719 } else {
720 pdb_set_munged_dial(sampass, munged_dial, PDB_SET);
721 }
722
723 /* FIXME: hours stuff should be cleaner */
724
725 logon_divs = 168;
726 hours_len = 21;
727 memset(hours, 0xff, hours_len);
728
729 if (ldap_state->is_nds_ldap) {
730 char *user_dn;
731 size_t pwd_len;
732 char clear_text_pw[512];
733
734 /* Make call to Novell eDirectory ldap extension to get clear text password.
735 NOTE: This will only work if we have an SSL connection to eDirectory. */
736 user_dn = smbldap_get_dn(ldap_state->smbldap_state->ldap_struct, entry);
737 if (user_dn != NULL) {
738 DEBUG(3, ("init_sam_from_ldap: smbldap_get_dn(%s) returned '%s'\n", username, user_dn));
739
740 pwd_len = sizeof(clear_text_pw);
741 if (pdb_nds_get_password(ldap_state->smbldap_state, user_dn, &pwd_len, clear_text_pw) == LDAP_SUCCESS) {
742 nt_lm_owf_gen(clear_text_pw, smbntpwd, smblmpwd);
743 if (!pdb_set_lanman_passwd(sampass, smblmpwd, PDB_SET)) {
744 SAFE_FREE(user_dn);
745 return False;
746 }
747 ZERO_STRUCT(smblmpwd);
748 if (!pdb_set_nt_passwd(sampass, smbntpwd, PDB_SET)) {
749 SAFE_FREE(user_dn);
750 return False;
751 }
752 ZERO_STRUCT(smbntpwd);
753 use_samba_attrs = False;
754 }
755
756 SAFE_FREE(user_dn);
757
758 } else {
759 DEBUG(0, ("init_sam_from_ldap: failed to get user_dn for '%s'\n", username));
760 }
761 }
762
763 if (use_samba_attrs) {
764 if (!smbldap_get_single_pstring (ldap_state->smbldap_state->ldap_struct, entry,
765 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LMPW), temp)) {
766 /* leave as default */
767 } else {
768 pdb_gethexpwd(temp, smblmpwd);
769 memset((char *)temp, '\0', strlen(temp)+1);
770 if (!pdb_set_lanman_passwd(sampass, smblmpwd, PDB_SET))
771 return False;
772 ZERO_STRUCT(smblmpwd);
773 }
774
775 if (!smbldap_get_single_pstring (ldap_state->smbldap_state->ldap_struct, entry,
776 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_NTPW), temp)) {
777 /* leave as default */
778 } else {
779 pdb_gethexpwd(temp, smbntpwd);
780 memset((char *)temp, '\0', strlen(temp)+1);
781 if (!pdb_set_nt_passwd(sampass, smbntpwd, PDB_SET))
782 return False;
783 ZERO_STRUCT(smbntpwd);
784 }
785 }
786
787 pwHistLen = 0;
788
789 pdb_get_account_policy(AP_PASSWORD_HISTORY, &pwHistLen);
790 if (pwHistLen > 0){
791 uint8 *pwhist = NULL;
792 int i;
793 char history_string[MAX_PW_HISTORY_LEN*64];
794
795 pwHistLen = MIN(pwHistLen, MAX_PW_HISTORY_LEN);
796
797 if ((pwhist = SMB_MALLOC_ARRAY(uint8, pwHistLen * PW_HISTORY_ENTRY_LEN)) == NULL){
798 DEBUG(0, ("init_sam_from_ldap: malloc failed!\n"));
799 return False;
800 }
801 memset(pwhist, '\0', pwHistLen * PW_HISTORY_ENTRY_LEN);
802
803 if (!smbldap_get_single_attribute(ldap_state->smbldap_state->ldap_struct, entry,
804 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_HISTORY),
805 history_string, sizeof(history_string))) {
806 /* leave as default - zeros */
807 } else {
808 BOOL hex_failed = False;
809 for (i = 0; i < pwHistLen; i++){
810 /* Get the 16 byte salt. */
811 if (!pdb_gethexpwd(&history_string[i*64], &pwhist[i*PW_HISTORY_ENTRY_LEN])) {
812 hex_failed = True;
813 break;
814 }
815 /* Get the 16 byte MD5 hash of salt+passwd. */
816 if (!pdb_gethexpwd(&history_string[(i*64)+32],
817 &pwhist[(i*PW_HISTORY_ENTRY_LEN)+PW_HISTORY_SALT_LEN])) {
818 hex_failed = True;
819 break;
820 }
821 }
822 if (hex_failed) {
823 DEBUG(0,("init_sam_from_ldap: Failed to get password history for user %s\n",
824 username));
825 memset(pwhist, '\0', pwHistLen * PW_HISTORY_ENTRY_LEN);
826 }
827 }
828 if (!pdb_set_pw_history(sampass, pwhist, pwHistLen, PDB_SET)){
829 SAFE_FREE(pwhist);
830 return False;
831 }
832 SAFE_FREE(pwhist);
833 }
834
835 if (!smbldap_get_single_pstring (ldap_state->smbldap_state->ldap_struct, entry,
836 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_ACB_INFO), temp)) {
837 acct_ctrl |= ACB_NORMAL;
838 } else {
839 acct_ctrl = pdb_decode_acct_ctrl(temp);
840
841 if (acct_ctrl == 0)
842 acct_ctrl |= ACB_NORMAL;
843
844 pdb_set_acct_ctrl(sampass, acct_ctrl, PDB_SET);
845 }
846
847 pdb_set_hours_len(sampass, hours_len, PDB_SET);
848 pdb_set_logon_divs(sampass, logon_divs, PDB_SET);
849
850 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
851 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_BAD_PASSWORD_COUNT), temp)) {
852 /* leave as default */
853 } else {
854 bad_password_count = (uint32) atol(temp);
855 pdb_set_bad_password_count(sampass, bad_password_count, PDB_SET);
856 }
857
858 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
859 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_BAD_PASSWORD_TIME), temp)) {
860 /* leave as default */
861 } else {
862 bad_password_time = (time_t) atol(temp);
863 pdb_set_bad_password_time(sampass, bad_password_time, PDB_SET);
864 }
865
866
867 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
868 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_COUNT), temp)) {
869 /* leave as default */
870 } else {
871 logon_count = (uint32) atol(temp);
872 pdb_set_logon_count(sampass, logon_count, PDB_SET);
873 }
874
875 /* pdb_set_unknown_6(sampass, unknown6, PDB_SET); */
876
877 if(!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
878 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_HOURS), temp)) {
879 /* leave as default */
880 } else {
881 pdb_gethexhours(temp, hours);
882 memset((char *)temp, '\0', strlen(temp) +1);
883 pdb_set_hours(sampass, hours, PDB_SET);
884 ZERO_STRUCT(hours);
885 }
886
887 if (lp_parm_bool(-1, "ldapsam", "trusted", False)) {
888 if (smbldap_get_single_pstring(priv2ld(ldap_state), entry,
889 "uidNumber", temp)) {
890 /* We've got a uid, feed the cache */
891 uid_t uid = strtoul(temp, NULL, 10);
892 store_uid_sid_cache(pdb_get_user_sid(sampass), uid);
893 }
894 }
895
896 /* check the timestamp of the cache vs ldap entry */
897 if (!(ldap_entry_time = ldapsam_get_entry_timestamp(ldap_state,
898 entry)))
899 return True;
900
901 /* see if we have newer updates */
902 if (!(cache_entry = login_cache_read(sampass))) {
903 DEBUG (9, ("No cache entry, bad count = %u, bad time = %u\n",
904 (unsigned int)pdb_get_bad_password_count(sampass),
905 (unsigned int)pdb_get_bad_password_time(sampass)));
906 return True;
907 }
908
909 DEBUG(7, ("ldap time is %u, cache time is %u, bad time = %u\n",
910 (unsigned int)ldap_entry_time, (unsigned int)cache_entry->entry_timestamp,
911 (unsigned int)cache_entry->bad_password_time));
912
913 if (ldap_entry_time > cache_entry->entry_timestamp) {
914 /* cache is older than directory , so
915 we need to delete the entry but allow the
916 fields to be written out */
917 login_cache_delentry(sampass);
918 } else {
919 /* read cache in */
920 pdb_set_acct_ctrl(sampass,
921 pdb_get_acct_ctrl(sampass) |
922 (cache_entry->acct_ctrl & ACB_AUTOLOCK),
923 PDB_SET);
924 pdb_set_bad_password_count(sampass,
925 cache_entry->bad_password_count,
926 PDB_SET);
927 pdb_set_bad_password_time(sampass,
928 cache_entry->bad_password_time,
929 PDB_SET);
930 }
931
932 SAFE_FREE(cache_entry);
933 return True;
934 }
935
936 /**********************************************************************
937 Initialize the ldap db from a struct samu. Called on update.
938 (Based on init_buffer_from_sam in pdb_tdb.c)
939 *********************************************************************/
940
941 static BOOL init_ldap_from_sam (struct ldapsam_privates *ldap_state,
942 LDAPMessage *existing,
943 LDAPMod *** mods, struct samu * sampass,
944 BOOL (*need_update)(const struct samu *,
945 enum pdb_elements))
946 {
947 pstring temp;
948 uint32 rid;
949
950 if (mods == NULL || sampass == NULL) {
951 DEBUG(0, ("init_ldap_from_sam: NULL parameters found!\n"));
952 return False;
953 }
954
955 *mods = NULL;
956
957 /*
958 * took out adding "objectclass: sambaAccount"
959 * do this on a per-mod basis
960 */
961 if (need_update(sampass, PDB_USERNAME)) {
962 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
963 "uid", pdb_get_username(sampass));
964 if (ldap_state->is_nds_ldap) {
965 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
966 "cn", pdb_get_username(sampass));
967 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
968 "sn", pdb_get_username(sampass));
969 }
970 }
971
972 DEBUG(2, ("init_ldap_from_sam: Setting entry for user: %s\n", pdb_get_username(sampass)));
973
974 /* only update the RID if we actually need to */
975 if (need_update(sampass, PDB_USERSID)) {
976 fstring sid_string;
977 const DOM_SID *user_sid = pdb_get_user_sid(sampass);
978
979 switch ( ldap_state->schema_ver ) {
980 case SCHEMAVER_SAMBAACCOUNT:
981 if (!sid_peek_check_rid(&ldap_state->domain_sid, user_sid, &rid)) {
982 DEBUG(1, ("init_ldap_from_sam: User's SID (%s) is not for this domain (%s), cannot add to LDAP!\n",
983 sid_string_static(user_sid),
984 sid_string_static(&ldap_state->domain_sid)));
985 return False;
986 }
987 slprintf(temp, sizeof(temp) - 1, "%i", rid);
988 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
989 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_RID),
990 temp);
991 break;
992
993 case SCHEMAVER_SAMBASAMACCOUNT:
994 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
995 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_SID),
996 sid_to_string(sid_string, user_sid));
997 break;
998
999 default:
1000 DEBUG(0,("init_ldap_from_sam: unknown schema version specified\n"));
1001 break;
1002 }
1003 }
1004
1005 /* we don't need to store the primary group RID - so leaving it
1006 'free' to hang off the unix primary group makes life easier */
1007
1008 if (need_update(sampass, PDB_GROUPSID)) {
1009 fstring sid_string;
1010 const DOM_SID *group_sid = pdb_get_group_sid(sampass);
1011
1012 switch ( ldap_state->schema_ver ) {
1013 case SCHEMAVER_SAMBAACCOUNT:
1014 if (!sid_peek_check_rid(&ldap_state->domain_sid, group_sid, &rid)) {
1015 DEBUG(1, ("init_ldap_from_sam: User's Primary Group SID (%s) is not for this domain (%s), cannot add to LDAP!\n",
1016 sid_string_static(group_sid),
1017 sid_string_static(&ldap_state->domain_sid)));
1018 return False;
1019 }
1020
1021 slprintf(temp, sizeof(temp) - 1, "%i", rid);
1022 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1023 get_userattr_key2string(ldap_state->schema_ver,
1024 LDAP_ATTR_PRIMARY_GROUP_RID), temp);
1025 break;
1026
1027 case SCHEMAVER_SAMBASAMACCOUNT:
1028 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1029 get_userattr_key2string(ldap_state->schema_ver,
1030 LDAP_ATTR_PRIMARY_GROUP_SID), sid_to_string(sid_string, group_sid));
1031 break;
1032
1033 default:
1034 DEBUG(0,("init_ldap_from_sam: unknown schema version specified\n"));
1035 break;
1036 }
1037
1038 }
1039
1040 /* displayName, cn, and gecos should all be the same
1041 * most easily accomplished by giving them the same OID
1042 * gecos isn't set here b/c it should be handled by the
1043 * add-user script
1044 * We change displayName only and fall back to cn if
1045 * it does not exist.
1046 */
1047
1048 if (need_update(sampass, PDB_FULLNAME))
1049 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1050 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DISPLAY_NAME),
1051 pdb_get_fullname(sampass));
1052
1053 if (need_update(sampass, PDB_ACCTDESC))
1054 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1055 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DESC),
1056 pdb_get_acct_desc(sampass));
1057
1058 if (need_update(sampass, PDB_WORKSTATIONS))
1059 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1060 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_WKS),
1061 pdb_get_workstations(sampass));
1062
1063 if (need_update(sampass, PDB_MUNGEDDIAL))
1064 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1065 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_MUNGED_DIAL),
1066 pdb_get_munged_dial(sampass));
1067
1068 if (need_update(sampass, PDB_SMBHOME))
1069 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1070 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_PATH),
1071 pdb_get_homedir(sampass));
1072
1073 if (need_update(sampass, PDB_DRIVE))
1074 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1075 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_DRIVE),
1076 pdb_get_dir_drive(sampass));
1077
1078 if (need_update(sampass, PDB_LOGONSCRIPT))
1079 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1080 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_SCRIPT),
1081 pdb_get_logon_script(sampass));
1082
1083 if (need_update(sampass, PDB_PROFILE))
1084 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1085 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PROFILE_PATH),
1086 pdb_get_profile_path(sampass));
1087
1088 slprintf(temp, sizeof(temp) - 1, "%li", pdb_get_logon_time(sampass));
1089 if (need_update(sampass, PDB_LOGONTIME))
1090 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1091 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_TIME), temp);
1092
1093 slprintf(temp, sizeof(temp) - 1, "%li", pdb_get_logoff_time(sampass));
1094 if (need_update(sampass, PDB_LOGOFFTIME))
1095 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1096 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGOFF_TIME), temp);
1097
1098 slprintf (temp, sizeof (temp) - 1, "%li", pdb_get_kickoff_time(sampass));
1099 if (need_update(sampass, PDB_KICKOFFTIME))
1100 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1101 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_KICKOFF_TIME), temp);
1102
1103 slprintf (temp, sizeof (temp) - 1, "%li", pdb_get_pass_can_change_time_noncalc(sampass));
1104 if (need_update(sampass, PDB_CANCHANGETIME))
1105 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1106 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_CAN_CHANGE), temp);
1107
1108 slprintf (temp, sizeof (temp) - 1, "%li", pdb_get_pass_must_change_time(sampass));
1109 if (need_update(sampass, PDB_MUSTCHANGETIME))
1110 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1111 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_MUST_CHANGE), temp);
1112
1113
1114 if ((pdb_get_acct_ctrl(sampass)&(ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST))
1115 || (lp_ldap_passwd_sync()!=LDAP_PASSWD_SYNC_ONLY)) {
1116
1117 if (need_update(sampass, PDB_LMPASSWD)) {
1118 const uchar *lm_pw = pdb_get_lanman_passwd(sampass);
1119 if (lm_pw) {
1120 pdb_sethexpwd(temp, lm_pw,
1121 pdb_get_acct_ctrl(sampass));
1122 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1123 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LMPW),
1124 temp);
1125 } else {
1126 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1127 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LMPW),
1128 NULL);
1129 }
1130 }
1131 if (need_update(sampass, PDB_NTPASSWD)) {
1132 const uchar *nt_pw = pdb_get_nt_passwd(sampass);
1133 if (nt_pw) {
1134 pdb_sethexpwd(temp, nt_pw,
1135 pdb_get_acct_ctrl(sampass));
1136 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1137 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_NTPW),
1138 temp);
1139 } else {
1140 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1141 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_NTPW),
1142 NULL);
1143 }
1144 }
1145
1146 if (need_update(sampass, PDB_PWHISTORY)) {
1147 uint32 pwHistLen = 0;
1148 pdb_get_account_policy(AP_PASSWORD_HISTORY, &pwHistLen);
1149 if (pwHistLen == 0) {
1150 /* Remove any password history from the LDAP store. */
1151 memset(temp, '0', 64); /* NOTE !!!! '0' *NOT '\0' */
1152 temp[64] = '\0';
1153 } else {
1154 int i;
1155 uint32 currHistLen = 0;
1156 const uint8 *pwhist = pdb_get_pw_history(sampass, &currHistLen);
1157 if (pwhist != NULL) {
1158 /* We can only store (sizeof(pstring)-1)/64 password history entries. */
1159 pwHistLen = MIN(pwHistLen, ((sizeof(temp)-1)/64));
1160 for (i=0; i< pwHistLen && i < currHistLen; i++) {
1161 /* Store the salt. */
1162 pdb_sethexpwd(&temp[i*64], &pwhist[i*PW_HISTORY_ENTRY_LEN], 0);
1163 /* Followed by the md5 hash of salt + md4 hash */
1164 pdb_sethexpwd(&temp[(i*64)+32],
1165 &pwhist[(i*PW_HISTORY_ENTRY_LEN)+PW_HISTORY_SALT_LEN], 0);
1166 DEBUG(100, ("temp=%s\n", temp));
1167 }
1168 }
1169 }
1170 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1171 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_HISTORY),
1172 temp);
1173 }
1174
1175 if (need_update(sampass, PDB_PASSLASTSET)) {
1176 slprintf (temp, sizeof (temp) - 1, "%li", pdb_get_pass_last_set_time(sampass));
1177 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1178 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_LAST_SET),
1179 temp);
1180 }
1181 }
1182
1183 if (need_update(sampass, PDB_HOURS)) {
1184 const uint8 *hours = pdb_get_hours(sampass);
1185 if (hours) {
1186 pdb_sethexhours(temp, hours);
1187 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct,
1188 existing,
1189 mods,
1190 get_userattr_key2string(ldap_state->schema_ver,
1191 LDAP_ATTR_LOGON_HOURS),
1192 temp);
1193 }
1194 }
1195
1196 if (need_update(sampass, PDB_ACCTCTRL))
1197 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1198 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_ACB_INFO),
1199 pdb_encode_acct_ctrl (pdb_get_acct_ctrl(sampass), NEW_PW_FORMAT_SPACE_PADDED_LEN));
1200
1201 /* password lockout cache:
1202 - If we are now autolocking or clearing, we write to ldap
1203 - If we are clearing, we delete the cache entry
1204 - If the count is > 0, we update the cache
1205
1206 This even means when autolocking, we cache, just in case the
1207 update doesn't work, and we have to cache the autolock flag */
1208
1209 if (need_update(sampass, PDB_BAD_PASSWORD_COUNT)) /* &&
1210 need_update(sampass, PDB_BAD_PASSWORD_TIME)) */ {
1211 uint16 badcount = pdb_get_bad_password_count(sampass);
1212 time_t badtime = pdb_get_bad_password_time(sampass);
1213 uint32 pol;
1214 pdb_get_account_policy(AP_BAD_ATTEMPT_LOCKOUT, &pol);
1215
1216 DEBUG(3, ("updating bad password fields, policy=%u, count=%u, time=%u\n",
1217 (unsigned int)pol, (unsigned int)badcount, (unsigned int)badtime));
1218
1219 if ((badcount >= pol) || (badcount == 0)) {
1220 DEBUG(7, ("making mods to update ldap, count=%u, time=%u\n",
1221 (unsigned int)badcount, (unsigned int)badtime));
1222 slprintf (temp, sizeof (temp) - 1, "%li", (long)badcount);
1223 smbldap_make_mod(
1224 ldap_state->smbldap_state->ldap_struct,
1225 existing, mods,
1226 get_userattr_key2string(
1227 ldap_state->schema_ver,
1228 LDAP_ATTR_BAD_PASSWORD_COUNT),
1229 temp);
1230
1231 slprintf (temp, sizeof (temp) - 1, "%li", badtime);
1232 smbldap_make_mod(
1233 ldap_state->smbldap_state->ldap_struct,
1234 existing, mods,
1235 get_userattr_key2string(
1236 ldap_state->schema_ver,
1237 LDAP_ATTR_BAD_PASSWORD_TIME),
1238 temp);
1239 }
1240 if (badcount == 0) {
1241 DEBUG(7, ("bad password count is reset, deleting login cache entry for %s\n", pdb_get_nt_username(sampass)));
1242 login_cache_delentry(sampass);
1243 } else {
1244 LOGIN_CACHE cache_entry;
1245
1246 cache_entry.entry_timestamp = time(NULL);
1247 cache_entry.acct_ctrl = pdb_get_acct_ctrl(sampass);
1248 cache_entry.bad_password_count = badcount;
1249 cache_entry.bad_password_time = badtime;
1250
1251 DEBUG(7, ("Updating bad password count and time in login cache\n"));
1252 login_cache_write(sampass, cache_entry);
1253 }
1254 }
1255
1256 return True;
1257 }
1258
1259 /**********************************************************************
1260 Connect to LDAP server for password enumeration.
1261 *********************************************************************/
1262
1263 static NTSTATUS ldapsam_setsampwent(struct pdb_methods *my_methods, BOOL update, uint32 acb_mask)
1264 {
1265 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1266 int rc;
1267 pstring filter, suffix;
1268 const char **attr_list;
1269 BOOL machine_mask = False, user_mask = False;
1270
1271 pstr_sprintf( filter, "(&%s%s)", "(uid=%u)",
1272 get_objclass_filter(ldap_state->schema_ver));
1273 all_string_sub(filter, "%u", "*", sizeof(pstring));
1274
1275 machine_mask = ((acb_mask != 0) && (acb_mask & (ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)));
1276 user_mask = ((acb_mask != 0) && (acb_mask & ACB_NORMAL));
1277
1278 if (machine_mask) {
1279 pstrcpy(suffix, lp_ldap_machine_suffix());
1280 } else if (user_mask) {
1281 pstrcpy(suffix, lp_ldap_user_suffix());
1282 } else {
1283 pstrcpy(suffix, lp_ldap_suffix());
1284 }
1285
1286 DEBUG(10,("ldapsam_setsampwent: LDAP Query for acb_mask 0x%x will use suffix %s\n",
1287 acb_mask, suffix));
1288
1289 attr_list = get_userattr_list(NULL, ldap_state->schema_ver);
1290 rc = smbldap_search(ldap_state->smbldap_state, suffix, LDAP_SCOPE_SUBTREE, filter,
1291 attr_list, 0, &ldap_state->result);
1292 TALLOC_FREE( attr_list );
1293
1294 if (rc != LDAP_SUCCESS) {
1295 DEBUG(0, ("ldapsam_setsampwent: LDAP search failed: %s\n", ldap_err2string(rc)));
1296 DEBUG(3, ("ldapsam_setsampwent: Query was: %s, %s\n", suffix, filter));
1297 ldap_msgfree(ldap_state->result);
1298 ldap_state->result = NULL;
1299 return NT_STATUS_UNSUCCESSFUL;
1300 }
1301
1302 DEBUG(2, ("ldapsam_setsampwent: %d entries in the base %s\n",
1303 ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
1304 ldap_state->result), suffix));
1305
1306 ldap_state->entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
1307 ldap_state->result);
1308 ldap_state->index = 0;
1309
1310 return NT_STATUS_OK;
1311 }
1312
1313 /**********************************************************************
1314 End enumeration of the LDAP password list.
1315 *********************************************************************/
1316
1317 static void ldapsam_endsampwent(struct pdb_methods *my_methods)
1318 {
1319 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1320 if (ldap_state->result) {
1321 ldap_msgfree(ldap_state->result);
1322 ldap_state->result = NULL;
1323 }
1324 }
1325
1326 /**********************************************************************
1327 Get the next entry in the LDAP password database.
1328 *********************************************************************/
1329
1330 static NTSTATUS ldapsam_getsampwent(struct pdb_methods *my_methods,
1331 struct samu *user)
1332 {
1333 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1334 struct ldapsam_privates *ldap_state =
1335 (struct ldapsam_privates *)my_methods->private_data;
1336 BOOL bret = False;
1337
1338 while (!bret) {
1339 if (!ldap_state->entry)
1340 return ret;
1341
1342 ldap_state->index++;
1343 bret = init_sam_from_ldap(ldap_state, user, ldap_state->entry);
1344
1345 ldap_state->entry = ldap_next_entry(priv2ld(ldap_state),
1346 ldap_state->entry);
1347 }
1348
1349 return NT_STATUS_OK;
1350 }
1351
1352 static void append_attr(TALLOC_CTX *mem_ctx, const char ***attr_list,
1353 const char *new_attr)
1354 {
1355 int i;
1356
1357 if (new_attr == NULL) {
1358 return;
1359 }
1360
1361 for (i=0; (*attr_list)[i] != NULL; i++) {
1362 ;
1363 }
1364
1365 (*attr_list) = TALLOC_REALLOC_ARRAY(mem_ctx, (*attr_list),
1366 const char *, i+2);
1367 SMB_ASSERT((*attr_list) != NULL);
1368 (*attr_list)[i] = talloc_strdup((*attr_list), new_attr);
1369 (*attr_list)[i+1] = NULL;
1370 }
1371
1372 /**********************************************************************
1373 Get struct samu entry from LDAP by username.
1374 *********************************************************************/
1375
1376 static NTSTATUS ldapsam_getsampwnam(struct pdb_methods *my_methods, struct samu *user, const char *sname)
1377 {
1378 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1379 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1380 LDAPMessage *result = NULL;
1381 LDAPMessage *entry = NULL;
1382 int count;
1383 const char ** attr_list;
1384 int rc;
1385
1386 attr_list = get_userattr_list( user, ldap_state->schema_ver );
1387 append_attr(user, &attr_list,
1388 get_userattr_key2string(ldap_state->schema_ver,
1389 LDAP_ATTR_MOD_TIMESTAMP));
1390 append_attr(user, &attr_list, "uidNumber");
1391 rc = ldapsam_search_suffix_by_name(ldap_state, sname, &result,
1392 attr_list);
1393 TALLOC_FREE( attr_list );
1394
1395 if ( rc != LDAP_SUCCESS )
1396 return NT_STATUS_NO_SUCH_USER;
1397
1398 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
1399
1400 if (count < 1) {
1401 DEBUG(4, ("ldapsam_getsampwnam: Unable to locate user [%s] count=%d\n", sname, count));
1402 ldap_msgfree(result);
1403 return NT_STATUS_NO_SUCH_USER;
1404 } else if (count > 1) {
1405 DEBUG(1, ("ldapsam_getsampwnam: Duplicate entries for this user [%s] Failing. count=%d\n", sname, count));
1406 ldap_msgfree(result);
1407 return NT_STATUS_NO_SUCH_USER;
1408 }
1409
1410 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1411 if (entry) {
1412 if (!init_sam_from_ldap(ldap_state, user, entry)) {
1413 DEBUG(1,("ldapsam_getsampwnam: init_sam_from_ldap failed for user '%s'!\n", sname));
1414 ldap_msgfree(result);
1415 return NT_STATUS_NO_SUCH_USER;
1416 }
1417 pdb_set_backend_private_data(user, result, NULL,
1418 my_methods, PDB_CHANGED);
1419 talloc_autofree_ldapmsg(user, result);
1420 ret = NT_STATUS_OK;
1421 } else {
1422 ldap_msgfree(result);
1423 }
1424 return ret;
1425 }
1426
1427 static int ldapsam_get_ldap_user_by_sid(struct ldapsam_privates *ldap_state,
1428 const DOM_SID *sid, LDAPMessage **result)
1429 {
1430 int rc = -1;
1431 const char ** attr_list;
1432 uint32 rid;
1433
1434 switch ( ldap_state->schema_ver ) {
1435 case SCHEMAVER_SAMBASAMACCOUNT: {
1436 TALLOC_CTX *tmp_ctx = talloc_new(NULL);
1437 if (tmp_ctx == NULL) {
1438 return LDAP_NO_MEMORY;
1439 }
1440
1441 attr_list = get_userattr_list(tmp_ctx,
1442 ldap_state->schema_ver);
1443 append_attr(tmp_ctx, &attr_list,
1444 get_userattr_key2string(
1445 ldap_state->schema_ver,
1446 LDAP_ATTR_MOD_TIMESTAMP));
1447 append_attr(tmp_ctx, &attr_list, "uidNumber");
1448 rc = ldapsam_search_suffix_by_sid(ldap_state, sid,
1449 result, attr_list);
1450 TALLOC_FREE(tmp_ctx);
1451
1452 if ( rc != LDAP_SUCCESS )
1453 return rc;
1454 break;
1455 }
1456
1457 case SCHEMAVER_SAMBAACCOUNT:
1458 if (!sid_peek_check_rid(&ldap_state->domain_sid, sid, &rid)) {
1459 return rc;
1460 }
1461
1462 attr_list = get_userattr_list(NULL,
1463 ldap_state->schema_ver);
1464 rc = ldapsam_search_suffix_by_rid(ldap_state, rid, result, attr_list );
1465 TALLOC_FREE( attr_list );
1466
1467 if ( rc != LDAP_SUCCESS )
1468 return rc;
1469 break;
1470 }
1471 return rc;
1472 }
1473
1474 /**********************************************************************
1475 Get struct samu entry from LDAP by SID.
1476 *********************************************************************/
1477
1478 static NTSTATUS ldapsam_getsampwsid(struct pdb_methods *my_methods, struct samu * user, const DOM_SID *sid)
1479 {
1480 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1481 LDAPMessage *result = NULL;
1482 LDAPMessage *entry = NULL;
1483 int count;
1484 int rc;
1485 fstring sid_string;
1486
1487 rc = ldapsam_get_ldap_user_by_sid(ldap_state,
1488 sid, &result);
1489 if (rc != LDAP_SUCCESS)
1490 return NT_STATUS_NO_SUCH_USER;
1491
1492 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
1493
1494 if (count < 1) {
1495 DEBUG(4, ("ldapsam_getsampwsid: Unable to locate SID [%s] count=%d\n", sid_to_string(sid_string, sid),
1496 count));
1497 ldap_msgfree(result);
1498 return NT_STATUS_NO_SUCH_USER;
1499 } else if (count > 1) {
1500 DEBUG(1, ("ldapsam_getsampwsid: More than one user with SID [%s]. Failing. count=%d\n", sid_to_string(sid_string, sid),
1501 count));
1502 ldap_msgfree(result);
1503 return NT_STATUS_NO_SUCH_USER;
1504 }
1505
1506 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1507 if (!entry) {
1508 ldap_msgfree(result);
1509 return NT_STATUS_NO_SUCH_USER;
1510 }
1511
1512 if (!init_sam_from_ldap(ldap_state, user, entry)) {
1513 DEBUG(1,("ldapsam_getsampwsid: init_sam_from_ldap failed!\n"));
1514 ldap_msgfree(result);
1515 return NT_STATUS_NO_SUCH_USER;
1516 }
1517
1518 pdb_set_backend_private_data(user, result, NULL,
1519 my_methods, PDB_CHANGED);
1520 talloc_autofree_ldapmsg(user, result);
1521 return NT_STATUS_OK;
1522 }
1523
1524 /********************************************************************
1525 Do the actual modification - also change a plaintext passord if
1526 it it set.
1527 **********************************************************************/
1528
1529 static NTSTATUS ldapsam_modify_entry(struct pdb_methods *my_methods,
1530 struct samu *newpwd, char *dn,
1531 LDAPMod **mods, int ldap_op,
1532 BOOL (*need_update)(const struct samu *, enum pdb_elements))
1533 {
1534 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1535 int rc;
1536
1537 if (!newpwd || !dn) {
1538 return NT_STATUS_INVALID_PARAMETER;
1539 }
1540
1541 if (!mods) {
1542 DEBUG(5,("ldapsam_modify_entry: mods is empty: nothing to modify\n"));
1543 /* may be password change below however */
1544 } else {
1545 switch(ldap_op) {
1546 case LDAP_MOD_ADD:
1547 if (ldap_state->is_nds_ldap) {
1548 smbldap_set_mod(&mods, LDAP_MOD_ADD,
1549 "objectclass",
1550 "inetOrgPerson");
1551 } else {
1552 smbldap_set_mod(&mods, LDAP_MOD_ADD,
1553 "objectclass",
1554 LDAP_OBJ_ACCOUNT);
1555 }
1556 rc = smbldap_add(ldap_state->smbldap_state,
1557 dn, mods);
1558 break;
1559 case LDAP_MOD_REPLACE:
1560 rc = smbldap_modify(ldap_state->smbldap_state,
1561 dn ,mods);
1562 break;
1563 default:
1564 DEBUG(0,("ldapsam_modify_entry: Wrong LDAP operation type: %d!\n",
1565 ldap_op));
1566 return NT_STATUS_INVALID_PARAMETER;
1567 }
1568
1569 if (rc!=LDAP_SUCCESS) {
1570 return NT_STATUS_UNSUCCESSFUL;
1571 }
1572 }
1573
1574 if (!(pdb_get_acct_ctrl(newpwd)&(ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)) &&
1575 (lp_ldap_passwd_sync() != LDAP_PASSWD_SYNC_OFF) &&
1576 need_update(newpwd, PDB_PLAINTEXT_PW) &&
1577 (pdb_get_plaintext_passwd(newpwd)!=NULL)) {
1578 BerElement *ber;
1579 struct berval *bv;
1580 char *retoid = NULL;
1581 struct berval *retdata = NULL;
1582 char *utf8_password;
1583 char *utf8_dn;
1584
1585 if (!ldap_state->is_nds_ldap) {
1586
1587 if (!smbldap_has_extension(ldap_state->smbldap_state->ldap_struct,
1588 LDAP_EXOP_MODIFY_PASSWD)) {
1589 DEBUG(2, ("ldap password change requested, but LDAP "
1590 "server does not support it -- ignoring\n"));
1591 return NT_STATUS_OK;
1592 }
1593 }
1594
1595 if (push_utf8_allocate(&utf8_password, pdb_get_plaintext_passwd(newpwd)) == (size_t)-1) {
1596 return NT_STATUS_NO_MEMORY;
1597 }
1598
1599 if (push_utf8_allocate(&utf8_dn, dn) == (size_t)-1) {
1600 SAFE_FREE(utf8_password);
1601 return NT_STATUS_NO_MEMORY;
1602 }
1603
1604 if ((ber = ber_alloc_t(LBER_USE_DER))==NULL) {
1605 DEBUG(0,("ber_alloc_t returns NULL\n"));
1606 SAFE_FREE(utf8_password);
1607 SAFE_FREE(utf8_dn);
1608 return NT_STATUS_UNSUCCESSFUL;
1609 }
1610
1611 ber_printf (ber, "{");
1612 ber_printf (ber, "ts", LDAP_TAG_EXOP_MODIFY_PASSWD_ID, utf8_dn);
1613 ber_printf (ber, "ts", LDAP_TAG_EXOP_MODIFY_PASSWD_NEW, utf8_password);
1614 ber_printf (ber, "n}");
1615
1616 if ((rc = ber_flatten (ber, &bv))<0) {
1617 DEBUG(0,("ldapsam_modify_entry: ber_flatten returns a value <0\n"));
1618 ber_free(ber,1);
1619 SAFE_FREE(utf8_dn);
1620 SAFE_FREE(utf8_password);
1621 return NT_STATUS_UNSUCCESSFUL;
1622 }
1623
1624 SAFE_FREE(utf8_dn);
1625 SAFE_FREE(utf8_password);
1626 ber_free(ber, 1);
1627
1628 if (!ldap_state->is_nds_ldap) {
1629 rc = smbldap_extended_operation(ldap_state->smbldap_state,
1630 LDAP_EXOP_MODIFY_PASSWD,
1631 bv, NULL, NULL, &retoid,
1632 &retdata);
1633 } else {
1634 rc = pdb_nds_set_password(ldap_state->smbldap_state, dn,
1635 pdb_get_plaintext_passwd(newpwd));
1636 }
1637 if (rc != LDAP_SUCCESS) {
1638 char *ld_error = NULL;
1639
1640 if (rc == LDAP_OBJECT_CLASS_VIOLATION) {
1641 DEBUG(3, ("Could not set userPassword "
1642 "attribute due to an objectClass "
1643 "violation -- ignoring\n"));
1644 ber_bvfree(bv);
1645 return NT_STATUS_OK;
1646 }
1647
1648 ldap_get_option(ldap_state->smbldap_state->ldap_struct, LDAP_OPT_ERROR_STRING,
1649 &ld_error);
1650 DEBUG(0,("ldapsam_modify_entry: LDAP Password could not be changed for user %s: %s\n\t%s\n",
1651 pdb_get_username(newpwd), ldap_err2string(rc), ld_error?ld_error:"unknown"));
1652 SAFE_FREE(ld_error);
1653 ber_bvfree(bv);
1654 #if defined(LDAP_CONSTRAINT_VIOLATION)
1655 if (rc == LDAP_CONSTRAINT_VIOLATION)
1656 return NT_STATUS_PASSWORD_RESTRICTION;
1657 #endif
1658 return NT_STATUS_UNSUCCESSFUL;
1659 } else {
1660 DEBUG(3,("ldapsam_modify_entry: LDAP Password changed for user %s\n",pdb_get_username(newpwd)));
1661 #ifdef DEBUG_PASSWORD
1662 DEBUG(100,("ldapsam_modify_entry: LDAP Password changed to %s\n",pdb_get_plaintext_passwd(newpwd)));
1663 #endif
1664 if (retdata)
1665 ber_bvfree(retdata);
1666 if (retoid)
1667 ldap_memfree(retoid);
1668 }
1669 ber_bvfree(bv);
1670 }
1671 return NT_STATUS_OK;
1672 }
1673
1674 /**********************************************************************
1675 Delete entry from LDAP for username.
1676 *********************************************************************/
1677
1678 static NTSTATUS ldapsam_delete_sam_account(struct pdb_methods *my_methods,
1679 struct samu * sam_acct)
1680 {
1681 struct ldapsam_privates *priv =
1682 (struct ldapsam_privates *)my_methods->private_data;
1683 const char *sname;
1684 int rc;
1685 LDAPMessage *msg, *entry;
1686 NTSTATUS result = NT_STATUS_NO_MEMORY;
1687 const char **attr_list;
1688 TALLOC_CTX *mem_ctx;
1689
1690 if (!sam_acct) {
1691 DEBUG(0, ("ldapsam_delete_sam_account: sam_acct was NULL!\n"));
1692 return NT_STATUS_INVALID_PARAMETER;
1693 }
1694
1695 sname = pdb_get_username(sam_acct);
1696
1697 DEBUG(3, ("ldapsam_delete_sam_account: Deleting user %s from "
1698 "LDAP.\n", sname));
1699
1700 mem_ctx = talloc_new(NULL);
1701 if (mem_ctx == NULL) {
1702 DEBUG(0, ("talloc_new failed\n"));
1703 goto done;
1704 }
1705
1706 attr_list = get_userattr_delete_list(mem_ctx, priv->schema_ver );
1707 if (attr_list == NULL) {
1708 goto done;
1709 }
1710
1711 rc = ldapsam_search_suffix_by_name(priv, sname, &msg, attr_list);
1712
1713 if ((rc != LDAP_SUCCESS) ||
1714 (ldap_count_entries(priv2ld(priv), msg) != 1) ||
1715 ((entry = ldap_first_entry(priv2ld(priv), msg)) == NULL)) {
1716 DEBUG(5, ("Could not find user %s\n", sname));
1717 result = NT_STATUS_NO_SUCH_USER;
1718 goto done;
1719 }
1720
1721 rc = ldapsam_delete_entry(
1722 priv, mem_ctx, entry,
1723 priv->schema_ver == SCHEMAVER_SAMBASAMACCOUNT ?
1724 LDAP_OBJ_SAMBASAMACCOUNT : LDAP_OBJ_SAMBAACCOUNT,
1725 attr_list);
1726
1727 result = (rc == LDAP_SUCCESS) ?
1728 NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
1729
1730 done:
1731 TALLOC_FREE(mem_ctx);
1732 return result;
1733 }
1734
1735 /**********************************************************************
1736 Helper function to determine for update_sam_account whether
1737 we need LDAP modification.
1738 *********************************************************************/
1739
1740 static BOOL element_is_changed(const struct samu *sampass,
1741 enum pdb_elements element)
1742 {
1743 return IS_SAM_CHANGED(sampass, element);
1744 }
1745
1746 /**********************************************************************
1747 Update struct samu.
1748 *********************************************************************/
1749
1750 static NTSTATUS ldapsam_update_sam_account(struct pdb_methods *my_methods, struct samu * newpwd)
1751 {
1752 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1753 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1754 int rc = 0;
1755 char *dn;
1756 LDAPMessage *result = NULL;
1757 LDAPMessage *entry = NULL;
1758 LDAPMod **mods = NULL;
1759 const char **attr_list;
1760
1761 result = (LDAPMessage *)pdb_get_backend_private_data(newpwd, my_methods);
1762 if (!result) {
1763 attr_list = get_userattr_list(NULL, ldap_state->schema_ver);
1764 if (pdb_get_username(newpwd) == NULL) {
1765 return NT_STATUS_INVALID_PARAMETER;
1766 }
1767 rc = ldapsam_search_suffix_by_name(ldap_state, pdb_get_username(newpwd), &result, attr_list );
1768 TALLOC_FREE( attr_list );
1769 if (rc != LDAP_SUCCESS) {
1770 return NT_STATUS_UNSUCCESSFUL;
1771 }
1772 pdb_set_backend_private_data(newpwd, result, NULL,
1773 my_methods, PDB_CHANGED);
1774 talloc_autofree_ldapmsg(newpwd, result);
1775 }
1776
1777 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) == 0) {
1778 DEBUG(0, ("ldapsam_update_sam_account: No user to modify!\n"));
1779 return NT_STATUS_UNSUCCESSFUL;
1780 }
1781
1782 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1783 dn = smbldap_get_dn(ldap_state->smbldap_state->ldap_struct, entry);
1784 if (!dn) {
1785 return NT_STATUS_UNSUCCESSFUL;
1786 }
1787
1788 DEBUG(4, ("ldapsam_update_sam_account: user %s to be modified has dn: %s\n", pdb_get_username(newpwd), dn));
1789
1790 if (!init_ldap_from_sam(ldap_state, entry, &mods, newpwd,
1791 element_is_changed)) {
1792 DEBUG(0, ("ldapsam_update_sam_account: init_ldap_from_sam failed!\n"));
1793 SAFE_FREE(dn);
1794 if (mods != NULL)
1795 ldap_mods_free(mods,True);
1796 return NT_STATUS_UNSUCCESSFUL;
1797 }
1798
1799 if ((lp_ldap_passwd_sync() != LDAP_PASSWD_SYNC_ONLY)
1800 && (mods == NULL)) {
1801 DEBUG(4,("ldapsam_update_sam_account: mods is empty: nothing to update for user: %s\n",
1802 pdb_get_username(newpwd)));
1803 SAFE_FREE(dn);
1804 return NT_STATUS_OK;
1805 }
1806
1807 ret = ldapsam_modify_entry(my_methods,newpwd,dn,mods,LDAP_MOD_REPLACE, element_is_changed);
1808
1809 if (mods != NULL) {
1810 ldap_mods_free(mods,True);
1811 }
1812
1813 SAFE_FREE(dn);
1814
1815 /*
1816 * We need to set the backend private data to NULL here. For example
1817 * setuserinfo level 25 does a pdb_update_sam_account twice on the
1818 * same one, and with the explicit delete / add logic for attribute
1819 * values the second time we would use the wrong "old" value which
1820 * does not exist in LDAP anymore. Thus the LDAP server would refuse
1821 * the update.
1822 * The existing LDAPMessage is still being auto-freed by the
1823 * destructor.
1824 */
1825 pdb_set_backend_private_data(newpwd, NULL, NULL, my_methods,
1826 PDB_CHANGED);
1827
1828 if (!NT_STATUS_IS_OK(ret)) {
1829 return ret;
1830 }
1831
1832 DEBUG(2, ("ldapsam_update_sam_account: successfully modified uid = %s in the LDAP database\n",
1833 pdb_get_username(newpwd)));
1834 return NT_STATUS_OK;
1835 }
1836
1837 /***************************************************************************
1838 Renames a struct samu
1839 - The "rename user script" has full responsibility for changing everything
1840 ***************************************************************************/
1841
1842 static NTSTATUS ldapsam_rename_sam_account(struct pdb_methods *my_methods,
1843 struct samu *old_acct,
1844 const char *newname)
1845 {
1846 const char *oldname;
1847 int rc;
1848 pstring rename_script;
1849 fstring oldname_lower, newname_lower;
1850
1851 if (!old_acct) {
1852 DEBUG(0, ("ldapsam_rename_sam_account: old_acct was NULL!\n"));
1853 return NT_STATUS_INVALID_PARAMETER;
1854 }
1855 if (!newname) {
1856 DEBUG(0, ("ldapsam_rename_sam_account: newname was NULL!\n"));
1857 return NT_STATUS_INVALID_PARAMETER;
1858 }
1859
1860 oldname = pdb_get_username(old_acct);
1861
1862 /* rename the posix user */
1863 pstrcpy(rename_script, lp_renameuser_script());
1864
1865 if (!(*rename_script))
1866 return NT_STATUS_ACCESS_DENIED;
1867
1868 DEBUG (3, ("ldapsam_rename_sam_account: Renaming user %s to %s.\n",
1869 oldname, newname));
1870
1871 /* We have to allow the account name to end with a '$'.
1872 Also, follow the semantics in _samr_create_user() and lower case the
1873 posix name but preserve the case in passdb */
1874
1875 fstrcpy( oldname_lower, oldname );
1876 strlower_m( oldname_lower );
1877 fstrcpy( newname_lower, newname );
1878 strlower_m( newname_lower );
1879 string_sub2(rename_script, "%unew", newname_lower, sizeof(pstring),
1880 True, False, True);
1881 string_sub2(rename_script, "%uold", oldname_lower, sizeof(pstring),
1882 True, False, True);
1883 rc = smbrun(rename_script, NULL);
1884
1885 DEBUG(rc ? 0 : 3,("Running the command `%s' gave %d\n",
1886 rename_script, rc));
1887
1888 if (rc == 0) {
1889 smb_nscd_flush_user_cache();
1890 }
1891
1892 if (rc)
1893 return NT_STATUS_UNSUCCESSFUL;
1894
1895 return NT_STATUS_OK;
1896 }
1897
1898 /**********************************************************************
1899 Helper function to determine for update_sam_account whether
1900 we need LDAP modification.
1901 *********************************************************************/
1902
1903 static BOOL element_is_set_or_changed(const struct samu *sampass,
1904 enum pdb_elements element)
1905 {
1906 return (IS_SAM_SET(sampass, element) ||
1907 IS_SAM_CHANGED(sampass, element));
1908 }
1909
1910 /**********************************************************************
1911 Add struct samu to LDAP.
1912 *********************************************************************/
1913
1914 static NTSTATUS ldapsam_add_sam_account(struct pdb_methods *my_methods, struct samu * newpwd)
1915 {
1916 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1917 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1918 int rc;
1919 LDAPMessage *result = NULL;
1920 LDAPMessage *entry = NULL;
1921 pstring dn;
1922 LDAPMod **mods = NULL;
1923 int ldap_op = LDAP_MOD_REPLACE;
1924 uint32 num_result;
1925 const char **attr_list;
1926 char *escape_user;
1927 const char *username = pdb_get_username(newpwd);
1928 const DOM_SID *sid = pdb_get_user_sid(newpwd);
1929 pstring filter;
1930 fstring sid_string;
1931
1932 if (!username || !*username) {
1933 DEBUG(0, ("ldapsam_add_sam_account: Cannot add user without a username!\n"));
1934 return NT_STATUS_INVALID_PARAMETER;
1935 }
1936
1937 /* free this list after the second search or in case we exit on failure */
1938 attr_list = get_userattr_list(NULL, ldap_state->schema_ver);
1939
1940 rc = ldapsam_search_suffix_by_name (ldap_state, username, &result, attr_list);
1941
1942 if (rc != LDAP_SUCCESS) {
1943 TALLOC_FREE( attr_list );
1944 return NT_STATUS_UNSUCCESSFUL;
1945 }
1946
1947 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) != 0) {
1948 DEBUG(0,("ldapsam_add_sam_account: User '%s' already in the base, with samba attributes\n",
1949 username));
1950 ldap_msgfree(result);
1951 TALLOC_FREE( attr_list );
1952 return NT_STATUS_UNSUCCESSFUL;
1953 }
1954 ldap_msgfree(result);
1955 result = NULL;
1956
1957 if (element_is_set_or_changed(newpwd, PDB_USERSID)) {
1958 rc = ldapsam_get_ldap_user_by_sid(ldap_state,
1959 sid, &result);
1960 if (rc == LDAP_SUCCESS) {
1961 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) != 0) {
1962 DEBUG(0,("ldapsam_add_sam_account: SID '%s' already in the base, with samba attributes\n",
1963 sid_to_string(sid_string, sid)));
1964 TALLOC_FREE( attr_list );
1965 ldap_msgfree(result);
1966 return NT_STATUS_UNSUCCESSFUL;
1967 }
1968 ldap_msgfree(result);
1969 }
1970 }
1971
1972 /* does the entry already exist but without a samba attributes?
1973 we need to return the samba attributes here */
1974
1975 escape_user = escape_ldap_string_alloc( username );
1976 pstrcpy( filter, "(uid=%u)" );
1977 all_string_sub( filter, "%u", escape_user, sizeof(filter) );
1978 SAFE_FREE( escape_user );
1979
1980 rc = smbldap_search_suffix(ldap_state->smbldap_state,
1981 filter, attr_list, &result);
1982 if ( rc != LDAP_SUCCESS ) {
1983 TALLOC_FREE( attr_list );
1984 return NT_STATUS_UNSUCCESSFUL;
1985 }
1986
1987 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
1988
1989 if (num_result > 1) {
1990 DEBUG (0, ("ldapsam_add_sam_account: More than one user with that uid exists: bailing out!\n"));
1991 TALLOC_FREE( attr_list );
1992 ldap_msgfree(result);
1993 return NT_STATUS_UNSUCCESSFUL;
1994 }
1995
1996 /* Check if we need to update an existing entry */
1997 if (num_result == 1) {
1998 char *tmp;
1999
2000 DEBUG(3,("ldapsam_add_sam_account: User exists without samba attributes: adding them\n"));
2001 ldap_op = LDAP_MOD_REPLACE;
2002 entry = ldap_first_entry (ldap_state->smbldap_state->ldap_struct, result);
2003 tmp = smbldap_get_dn (ldap_state->smbldap_state->ldap_struct, entry);
2004 if (!tmp) {
2005 TALLOC_FREE( attr_list );
2006 ldap_msgfree(result);
2007 return NT_STATUS_UNSUCCESSFUL;
2008 }
2009 slprintf (dn, sizeof (dn) - 1, "%s", tmp);
2010 SAFE_FREE(tmp);
2011
2012 } else if (ldap_state->schema_ver == SCHEMAVER_SAMBASAMACCOUNT) {
2013
2014 /* There might be a SID for this account already - say an idmap entry */
2015
2016 pstr_sprintf(filter, "(&(%s=%s)(|(objectClass=%s)(objectClass=%s)))",
2017 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_SID),
2018 sid_to_string(sid_string, sid),
2019 LDAP_OBJ_IDMAP_ENTRY,
2020 LDAP_OBJ_SID_ENTRY);
2021
2022 /* free old result before doing a new search */
2023 if (result != NULL) {
2024 ldap_msgfree(result);
2025 result = NULL;
2026 }
2027 rc = smbldap_search_suffix(ldap_state->smbldap_state,
2028 filter, attr_list, &result);
2029
2030 if ( rc != LDAP_SUCCESS ) {
2031 TALLOC_FREE( attr_list );
2032 return NT_STATUS_UNSUCCESSFUL;
2033 }
2034
2035 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
2036
2037 if (num_result > 1) {
2038 DEBUG (0, ("ldapsam_add_sam_account: More than one user with specified Sid exists: bailing out!\n"));
2039 TALLOC_FREE( attr_list );
2040 ldap_msgfree(result);
2041 return NT_STATUS_UNSUCCESSFUL;
2042 }
2043
2044 /* Check if we need to update an existing entry */
2045 if (num_result == 1) {
2046 char *tmp;
2047
2048 DEBUG(3,("ldapsam_add_sam_account: User exists without samba attributes: adding them\n"));
2049 ldap_op = LDAP_MOD_REPLACE;
2050 entry = ldap_first_entry (ldap_state->smbldap_state->ldap_struct, result);
2051 tmp = smbldap_get_dn (ldap_state->smbldap_state->ldap_struct, entry);
2052 if (!tmp) {
2053 TALLOC_FREE( attr_list );
2054 ldap_msgfree(result);
2055 return NT_STATUS_UNSUCCESSFUL;
2056 }
2057 slprintf (dn, sizeof (dn) - 1, "%s", tmp);
2058 SAFE_FREE(tmp);
2059 }
2060 }
2061
2062 TALLOC_FREE( attr_list );
2063
2064 if (num_result == 0) {
2065 char *escape_username;
2066 /* Check if we need to add an entry */
2067 DEBUG(3,("ldapsam_add_sam_account: Adding new user\n"));
2068 ldap_op = LDAP_MOD_ADD;
2069
2070 escape_username = escape_rdn_val_string_alloc(username);
2071 if (!escape_username) {
2072 DEBUG(0, ("Out of memory!\n"));
2073 ldap_msgfree(result);
2074 return NT_STATUS_NO_MEMORY;
2075 }
2076
2077 if (username[strlen(username)-1] == '$') {
2078 slprintf (dn, sizeof (dn) - 1, "uid=%s,%s", escape_username, lp_ldap_machine_suffix ());
2079 } else {
2080 slprintf (dn, sizeof (dn) - 1, "uid=%s,%s", escape_username, lp_ldap_user_suffix ());
2081 }
2082
2083 SAFE_FREE(escape_username);
2084 }
2085
2086 if (!init_ldap_from_sam(ldap_state, entry, &mods, newpwd,
2087 element_is_set_or_changed)) {
2088 DEBUG(0, ("ldapsam_add_sam_account: init_ldap_from_sam failed!\n"));
2089 ldap_msgfree(result);
2090 if (mods != NULL)
2091 ldap_mods_free(mods,True);
2092 return NT_STATUS_UNSUCCESSFUL;
2093 }
2094
2095 ldap_msgfree(result);
2096
2097 if (mods == NULL) {
2098 DEBUG(0,("ldapsam_add_sam_account: mods is empty: nothing to add for user: %s\n",pdb_get_username(newpwd)));
2099 return NT_STATUS_UNSUCCESSFUL;
2100 }
2101 switch ( ldap_state->schema_ver ) {
2102 case SCHEMAVER_SAMBAACCOUNT:
2103 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_SAMBAACCOUNT);
2104 break;
2105 case SCHEMAVER_SAMBASAMACCOUNT:
2106 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_SAMBASAMACCOUNT);
2107 break;
2108 default:
2109 DEBUG(0,("ldapsam_add_sam_account: invalid schema version specified\n"));
2110 break;
2111 }
2112
2113 ret = ldapsam_modify_entry(my_methods,newpwd,dn,mods,ldap_op, element_is_set_or_changed);
2114 if (!NT_STATUS_IS_OK(ret)) {
2115 DEBUG(0,("ldapsam_add_sam_account: failed to modify/add user with uid = %s (dn = %s)\n",
2116 pdb_get_username(newpwd),dn));
2117 ldap_mods_free(mods, True);
2118 return ret;
2119 }
2120
2121 DEBUG(2,("ldapsam_add_sam_account: added: uid == %s in the LDAP database\n", pdb_get_username(newpwd)));
2122 ldap_mods_free(mods, True);
2123
2124 return NT_STATUS_OK;
2125 }
2126
2127 /**********************************************************************
2128 *********************************************************************/
2129
2130 static int ldapsam_search_one_group (struct ldapsam_privates *ldap_state,
2131 const char *filter,
2132 LDAPMessage ** result)
2133 {
2134 int scope = LDAP_SCOPE_SUBTREE;
2135 int rc;
2136 const char **attr_list;
2137
2138 attr_list = get_attr_list(NULL, groupmap_attr_list);
2139 rc = smbldap_search(ldap_state->smbldap_state,
2140 lp_ldap_group_suffix (), scope,
2141 filter, attr_list, 0, result);
2142 TALLOC_FREE(attr_list);
2143
2144 return rc;
2145 }
2146
2147 /**********************************************************************
2148 *********************************************************************/
2149
2150 static BOOL init_group_from_ldap(struct ldapsam_privates *ldap_state,
2151 GROUP_MAP *map, LDAPMessage *entry)
2152 {
2153 pstring temp;
2154
2155 if (ldap_state == NULL || map == NULL || entry == NULL ||
2156 ldap_state->smbldap_state->ldap_struct == NULL) {
2157 DEBUG(0, ("init_group_from_ldap: NULL parameters found!\n"));
2158 return False;
2159 }
2160
2161 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
2162 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GIDNUMBER), temp)) {
2163 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2164 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GIDNUMBER)));
2165 return False;
2166 }
2167 DEBUG(2, ("init_group_from_ldap: Entry found for group: %s\n", temp));
2168
2169 map->gid = (gid_t)atol(temp);
2170
2171 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
2172 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_SID), temp)) {
2173 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2174 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_SID)));
2175 return False;
2176 }
2177
2178 if (!string_to_sid(&map->sid, temp)) {
2179 DEBUG(1, ("SID string [%s] could not be read as a valid SID\n", temp));
2180 return False;
2181 }
2182
2183 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
2184 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_TYPE), temp)) {
2185 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2186 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_TYPE)));
2187 return False;
2188 }
2189 map->sid_name_use = (enum lsa_SidType)atol(temp);
2190
2191 if ((map->sid_name_use < SID_NAME_USER) ||
2192 (map->sid_name_use > SID_NAME_UNKNOWN)) {
2193 DEBUG(0, ("init_group_from_ldap: Unknown Group type: %d\n", map->sid_name_use));
2194 return False;
2195 }
2196
2197 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
2198 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_DISPLAY_NAME), temp)) {
2199 temp[0] = '\0';
2200 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
2201 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_CN), temp))
2202 {
2203 DEBUG(0, ("init_group_from_ldap: Attributes cn not found either \
2204 for gidNumber(%lu)\n",(unsigned long)map->gid));
2205 return False;
2206 }
2207 }
2208 fstrcpy(map->nt_name, temp);
2209
2210 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
2211 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_DESC), temp)) {
2212 temp[0] = '\0';
2213 }
2214 fstrcpy(map->comment, temp);
2215
2216 if (lp_parm_bool(-1, "ldapsam", "trusted", False)) {
2217 store_gid_sid_cache(&map->sid, map->gid);
2218 }
2219
2220 return True;
2221 }
2222
2223 /**********************************************************************
2224 *********************************************************************/
2225
2226 static NTSTATUS ldapsam_getgroup(struct pdb_methods *methods,
2227 const char *filter,
2228 GROUP_MAP *map)
2229 {
2230 struct ldapsam_privates *ldap_state =
2231 (struct ldapsam_privates *)methods->private_data;
2232 LDAPMessage *result = NULL;
2233 LDAPMessage *entry = NULL;
2234 int count;
2235
2236 if (ldapsam_search_one_group(ldap_state, filter, &result)
2237 != LDAP_SUCCESS) {
2238 return NT_STATUS_NO_SUCH_GROUP;
2239 }
2240
2241 count = ldap_count_entries(priv2ld(ldap_state), result);
2242
2243 if (count < 1) {
2244 DEBUG(4, ("ldapsam_getgroup: Did not find group\n"));
2245 ldap_msgfree(result);
2246 return NT_STATUS_NO_SUCH_GROUP;
2247 }
2248
2249 if (count > 1) {
2250 DEBUG(1, ("ldapsam_getgroup: Duplicate entries for filter %s: "
2251 "count=%d\n", filter, count));
2252 ldap_msgfree(result);
2253 return NT_STATUS_NO_SUCH_GROUP;
2254 }
2255
2256 entry = ldap_first_entry(priv2ld(ldap_state), result);
2257
2258 if (!entry) {
2259 ldap_msgfree(result);
2260 return NT_STATUS_UNSUCCESSFUL;
2261 }
2262
2263 if (!init_group_from_ldap(ldap_state, map, entry)) {
2264 DEBUG(1, ("ldapsam_getgroup: init_group_from_ldap failed for "
2265 "group filter %s\n", filter));
2266 ldap_msgfree(result);
2267 return NT_STATUS_NO_SUCH_GROUP;
2268 }
2269
2270 ldap_msgfree(result);
2271 return NT_STATUS_OK;
2272 }
2273
2274 /**********************************************************************
2275 *********************************************************************/
2276
2277 static NTSTATUS ldapsam_getgrsid(struct pdb_methods *methods, GROUP_MAP *map,
2278 DOM_SID sid)
2279 {
2280 pstring filter;
2281
2282 pstr_sprintf(filter, "(&(objectClass=%s)(%s=%s))",
2283 LDAP_OBJ_GROUPMAP,
2284 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GROUP_SID),
2285 sid_string_static(&sid));
2286
2287 return ldapsam_getgroup(methods, filter, map);
2288 }
2289
2290 /**********************************************************************
2291 *********************************************************************/
2292
2293 static NTSTATUS ldapsam_getgrgid(struct pdb_methods *methods, GROUP_MAP *map,
2294 gid_t gid)
2295 {
2296 pstring filter;
2297
2298 pstr_sprintf(filter, "(&(objectClass=%s)(%s=%lu))",
2299 LDAP_OBJ_GROUPMAP,
2300 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GIDNUMBER),
2301 (unsigned long)gid);
2302
2303 return ldapsam_getgroup(methods, filter, map);
2304 }
2305
2306 /**********************************************************************
2307 *********************************************************************/
2308
2309 static NTSTATUS ldapsam_getgrnam(struct pdb_methods *methods, GROUP_MAP *map,
2310 const char *name)
2311 {
2312 pstring filter;
2313 char *escape_name = escape_ldap_string_alloc(name);
2314
2315 if (!escape_name) {
2316 return NT_STATUS_NO_MEMORY;
2317 }
2318
2319 pstr_sprintf(filter, "(&(objectClass=%s)(|(%s=%s)(%s=%s)))",
2320 LDAP_OBJ_GROUPMAP,
2321 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_DISPLAY_NAME), escape_name,
2322 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_CN), escape_name);
2323
2324 SAFE_FREE(escape_name);
2325
2326 return ldapsam_getgroup(methods, filter, map);
2327 }
2328
2329 static BOOL ldapsam_extract_rid_from_entry(LDAP *ldap_struct,
2330 LDAPMessage *entry,
2331 const DOM_SID *domain_sid,
2332 uint32 *rid)
2333 {
2334 fstring str;
2335 DOM_SID sid;
2336
2337 if (!smbldap_get_single_attribute(ldap_struct, entry, "sambaSID",
2338 str, sizeof(str)-1)) {
2339 DEBUG(10, ("Could not find sambaSID attribute\n"));
2340 return False;
2341 }
2342
2343 if (!string_to_sid(&sid, str)) {
2344 DEBUG(10, ("Could not convert string %s to sid\n", str));
2345 return False;
2346 }
2347
2348 if (sid_compare_domain(&sid, domain_sid) != 0) {
2349 DEBUG(10, ("SID %s is not in expected domain %s\n",
2350 str, sid_string_static(domain_sid)));
2351 return False;
2352 }
2353
2354 if (!sid_peek_rid(&sid, rid)) {
2355 DEBUG(10, ("Could not peek into RID\n"));
2356 return False;
2357 }
2358
2359 return True;
2360 }
2361
2362 static NTSTATUS ldapsam_enum_group_members(struct pdb_methods *methods,
2363 TALLOC_CTX *mem_ctx,
2364 const DOM_SID *group,
2365 uint32 **pp_member_rids,
2366 size_t *p_num_members)
2367 {
2368 struct ldapsam_privates *ldap_state =
2369 (struct ldapsam_privates *)methods->private_data;
2370 struct smbldap_state *conn = ldap_state->smbldap_state;
2371 const char *id_attrs[] = { "memberUid", "gidNumber", NULL };
2372 const char *sid_attrs[] = { "sambaSID", NULL };
2373 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2374 LDAPMessage *result = NULL;
2375 LDAPMessage *entry;
2376 char *filter;
2377 char **values = NULL;
2378 char **memberuid;
2379 char *gidstr;
2380 int rc, count;
2381
2382 *pp_member_rids = NULL;
2383 *p_num_members = 0;
2384
2385 filter = talloc_asprintf(mem_ctx,
2386 "(&(objectClass=%s)"
2387 "(objectClass=%s)"
2388 "(sambaSID=%s))",
2389 LDAP_OBJ_POSIXGROUP,
2390 LDAP_OBJ_GROUPMAP,
2391 sid_string_static(group));
2392 if (filter == NULL) {
2393 ret = NT_STATUS_NO_MEMORY;
2394 goto done;
2395 }
2396
2397 rc = smbldap_search(conn, lp_ldap_group_suffix(),
2398 LDAP_SCOPE_SUBTREE, filter, id_attrs, 0,
2399 &result);
2400
2401 if (rc != LDAP_SUCCESS)
2402 goto done;
2403
2404 talloc_autofree_ldapmsg(mem_ctx, result);
2405
2406 count = ldap_count_entries(conn->ldap_struct, result);
2407
2408 if (count > 1) {
2409 DEBUG(1, ("Found more than one groupmap entry for %s\n",
2410 sid_string_static(group)));
2411 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2412 goto done;
2413 }
2414
2415 if (count == 0) {
2416 ret = NT_STATUS_NO_SUCH_GROUP;
2417 goto done;
2418 }
2419
2420 entry = ldap_first_entry(conn->ldap_struct, result);
2421 if (entry == NULL)
2422 goto done;
2423
2424 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", mem_ctx);
2425 if (!gidstr) {
2426 DEBUG (0, ("ldapsam_enum_group_members: Unable to find the group's gid!\n"));
2427 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2428 goto done;
2429 }
2430
2431 values = ldap_get_values(conn->ldap_struct, entry, "memberUid");
2432
2433 if (values) {
2434
2435 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)(|", LDAP_OBJ_SAMBASAMACCOUNT);
2436 if (filter == NULL) {
2437 ret = NT_STATUS_NO_MEMORY;
2438 goto done;
2439 }
2440
2441 for (memberuid = values; *memberuid != NULL; memberuid += 1) {
2442 char *escape_memberuid;
2443
2444 escape_memberuid = escape_ldap_string_alloc(*memberuid);
2445 if (escape_memberuid == NULL) {
2446 ret = NT_STATUS_NO_MEMORY;
2447 goto done;
2448 }
2449
2450 filter = talloc_asprintf_append(filter, "(uid=%s)", escape_memberuid);
2451 if (filter == NULL) {
2452 SAFE_FREE(escape_memberuid);
2453 ret = NT_STATUS_NO_MEMORY;
2454 goto done;
2455 }
2456
2457 SAFE_FREE(escape_memberuid);
2458 }
2459
2460 filter = talloc_asprintf_append(filter, "))");
2461 if (filter == NULL) {
2462 ret = NT_STATUS_NO_MEMORY;
2463 goto done;
2464 }
2465
2466 rc = smbldap_search(conn, lp_ldap_suffix(),
2467 LDAP_SCOPE_SUBTREE, filter, sid_attrs, 0,
2468 &result);
2469
2470 if (rc != LDAP_SUCCESS)
2471 goto done;
2472
2473 count = ldap_count_entries(conn->ldap_struct, result);
2474 DEBUG(10,("ldapsam_enum_group_members: found %d accounts\n", count));
2475
2476 talloc_autofree_ldapmsg(mem_ctx, result);
2477
2478 for (entry = ldap_first_entry(conn->ldap_struct, result);
2479 entry != NULL;
2480 entry = ldap_next_entry(conn->ldap_struct, entry))
2481 {
2482 char *sidstr;
2483 DOM_SID sid;
2484 uint32 rid;
2485
2486 sidstr = smbldap_talloc_single_attribute(conn->ldap_struct,
2487 entry, "sambaSID",
2488 mem_ctx);
2489 if (!sidstr) {
2490 DEBUG(0, ("Severe DB error, sambaSamAccount can't miss "
2491 "the sambaSID attribute\n"));
2492 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2493 goto done;
2494 }
2495
2496 if (!string_to_sid(&sid, sidstr))
2497 goto done;
2498
2499 if (!sid_check_is_in_our_domain(&sid)) {
2500 DEBUG(0, ("Inconsistent SAM -- group member uid not "
2501 "in our domain\n"));
2502 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2503 goto done;
2504 }
2505
2506 sid_peek_rid(&sid, &rid);
2507
2508 if (!add_rid_to_array_unique(mem_ctx, rid, pp_member_rids,
2509 p_num_members)) {
2510 ret = NT_STATUS_NO_MEMORY;
2511 goto done;
2512 }
2513 }
2514 }
2515
2516 filter = talloc_asprintf(mem_ctx,
2517 "(&(objectClass=%s)"
2518 "(gidNumber=%s))",
2519 LDAP_OBJ_SAMBASAMACCOUNT,
2520 gidstr);
2521
2522 rc = smbldap_search(conn, lp_ldap_suffix(),
2523 LDAP_SCOPE_SUBTREE, filter, sid_attrs, 0,
2524 &result);
2525
2526 if (rc != LDAP_SUCCESS)
2527 goto done;
2528
2529 talloc_autofree_ldapmsg(mem_ctx, result);
2530
2531 for (entry = ldap_first_entry(conn->ldap_struct, result);
2532 entry != NULL;
2533 entry = ldap_next_entry(conn->ldap_struct, entry))
2534 {
2535 uint32 rid;
2536
2537 if (!ldapsam_extract_rid_from_entry(conn->ldap_struct,
2538 entry,
2539 get_global_sam_sid(),
2540 &rid)) {
2541 DEBUG(0, ("Severe DB error, sambaSamAccount can't miss "
2542 "the sambaSID attribute\n"));
2543 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2544 goto done;
2545 }
2546
2547 if (!add_rid_to_array_unique(mem_ctx, rid, pp_member_rids,
2548 p_num_members)) {
2549 ret = NT_STATUS_NO_MEMORY;
2550 goto done;
2551 }
2552 }
2553
2554 ret = NT_STATUS_OK;
2555
2556 done:
2557
2558 if (values)
2559 ldap_value_free(values);
2560
2561 return ret;
2562 }
2563
2564 static NTSTATUS ldapsam_enum_group_memberships(struct pdb_methods *methods,
2565 TALLOC_CTX *mem_ctx,
2566 struct samu *user,
2567 DOM_SID **pp_sids,
2568 gid_t **pp_gids,
2569 size_t *p_num_groups)
2570 {
2571 struct ldapsam_privates *ldap_state =
2572 (struct ldapsam_privates *)methods->private_data;
2573 struct smbldap_state *conn = ldap_state->smbldap_state;
2574 char *filter;
2575 const char *attrs[] = { "gidNumber", "sambaSID", NULL };
2576 char *escape_name;
2577 int rc, count;
2578 LDAPMessage *result = NULL;
2579 LDAPMessage *entry;
2580 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2581 size_t num_sids, num_gids;
2582 char *gidstr;
2583 gid_t primary_gid = -1;
2584
2585 *pp_sids = NULL;
2586 num_sids = 0;
2587
2588 if (pdb_get_username(user) == NULL) {
2589 return NT_STATUS_INVALID_PARAMETER;
2590 }
2591
2592 escape_name = escape_ldap_string_alloc(pdb_get_username(user));
2593 if (escape_name == NULL)
2594 return NT_STATUS_NO_MEMORY;
2595
2596 /* retrieve the users primary gid */
2597 filter = talloc_asprintf(mem_ctx,
2598 "(&(objectClass=%s)(uid=%s))",
2599 LDAP_OBJ_SAMBASAMACCOUNT,
2600 escape_name);
2601 if (filter == NULL) {
2602 ret = NT_STATUS_NO_MEMORY;
2603 goto done;
2604 }
2605
2606 rc = smbldap_search(conn, lp_ldap_suffix(),
2607 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
2608
2609 if (rc != LDAP_SUCCESS)
2610 goto done;
2611
2612 talloc_autofree_ldapmsg(mem_ctx, result);
2613
2614 count = ldap_count_entries(priv2ld(ldap_state), result);
2615
2616 switch (count) {
2617 case 0:
2618 DEBUG(1, ("User account [%s] not found!\n", pdb_get_username(user)));
2619 ret = NT_STATUS_NO_SUCH_USER;
2620 goto done;
2621 case 1:
2622 entry = ldap_first_entry(priv2ld(ldap_state), result);
2623
2624 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", mem_ctx);
2625 if (!gidstr) {
2626 DEBUG (1, ("Unable to find the member's gid!\n"));
2627 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2628 goto done;
2629 }
2630 primary_gid = strtoul(gidstr, NULL, 10);
2631 break;
2632 default:
2633 DEBUG(1, ("found more than one account with the same user name ?!\n"));
2634 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2635 goto done;
2636 }
2637
2638 filter = talloc_asprintf(mem_ctx,
2639 "(&(objectClass=%s)(|(memberUid=%s)(gidNumber=%d)))",
2640 LDAP_OBJ_POSIXGROUP, escape_name, primary_gid);
2641 if (filter == NULL) {
2642 ret = NT_STATUS_NO_MEMORY;
2643 goto done;
2644 }
2645
2646 rc = smbldap_search(conn, lp_ldap_group_suffix(),
2647 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
2648
2649 if (rc != LDAP_SUCCESS)
2650 goto done;
2651
2652 talloc_autofree_ldapmsg(mem_ctx, result);
2653
2654 num_gids = 0;
2655 *pp_gids = NULL;
2656
2657 num_sids = 0;
2658 *pp_sids = NULL;
2659
2660 /* We need to add the primary group as the first gid/sid */
2661
2662 if (!add_gid_to_array_unique(mem_ctx, primary_gid, pp_gids, &num_gids)) {
2663 ret = NT_STATUS_NO_MEMORY;
2664 goto done;
2665 }
2666
2667 /* This sid will be replaced later */
2668
2669 if (!add_sid_to_array_unique(mem_ctx, &global_sid_NULL, pp_sids, &num_sids)) {
2670 ret = NT_STATUS_NO_MEMORY;
2671 goto done;
2672 }
2673
2674 for (entry = ldap_first_entry(conn->ldap_struct, result);
2675 entry != NULL;
2676 entry = ldap_next_entry(conn->ldap_struct, entry))
2677 {
2678 fstring str;
2679 DOM_SID sid;
2680 gid_t gid;
2681 char *end;
2682
2683 if (!smbldap_get_single_attribute(conn->ldap_struct,
2684 entry, "sambaSID",
2685 str, sizeof(str)-1))
2686 continue;
2687
2688 if (!string_to_sid(&sid, str))
2689 goto done;
2690
2691 if (!smbldap_get_single_attribute(conn->ldap_struct,
2692 entry, "gidNumber",
2693 str, sizeof(str)-1))
2694 continue;
2695
2696 gid = strtoul(str, &end, 10);
2697
2698 if (PTR_DIFF(end, str) != strlen(str))
2699 goto done;
2700
2701 if (gid == primary_gid) {
2702 sid_copy(&(*pp_sids)[0], &sid);
2703 } else {
2704 if (!add_gid_to_array_unique(mem_ctx, gid, pp_gids,
2705 &num_gids)) {
2706 ret = NT_STATUS_NO_MEMORY;
2707 goto done;
2708 }
2709 if (!add_sid_to_array_unique(mem_ctx, &sid, pp_sids,
2710 &num_sids)) {
2711 ret = NT_STATUS_NO_MEMORY;
2712 goto done;
2713 }
2714 }
2715 }
2716
2717 if (sid_compare(&global_sid_NULL, &(*pp_sids)[0]) == 0) {
2718 DEBUG(3, ("primary group of [%s] not found\n",
2719 pdb_get_username(user)));
2720 goto done;
2721 }
2722
2723 *p_num_groups = num_sids;
2724
2725 ret = NT_STATUS_OK;
2726
2727 done:
2728
2729 SAFE_FREE(escape_name);
2730 return ret;
2731 }
2732
2733 /**********************************************************************
2734 * Augment a posixGroup object with a sambaGroupMapping domgroup
2735 *********************************************************************/
2736
2737 static NTSTATUS ldapsam_map_posixgroup(TALLOC_CTX *mem_ctx,
2738 struct ldapsam_privates *ldap_state,
2739 GROUP_MAP *map)
2740 {
2741 const char *filter, *dn;
2742 LDAPMessage *msg, *entry;
2743 LDAPMod **mods;
2744 int rc;
2745
2746 filter = talloc_asprintf(mem_ctx,
2747 "(&(objectClass=posixGroup)(gidNumber=%u))",
2748 map->gid);
2749 if (filter == NULL) {
2750 return NT_STATUS_NO_MEMORY;
2751 }
2752
2753 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter,
2754 get_attr_list(mem_ctx, groupmap_attr_list),
2755 &msg);
2756 talloc_autofree_ldapmsg(mem_ctx, msg);
2757
2758 if ((rc != LDAP_SUCCESS) ||
2759 (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) != 1) ||
2760 ((entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg)) == NULL)) {
2761 return NT_STATUS_NO_SUCH_GROUP;
2762 }
2763
2764 dn = smbldap_talloc_dn(mem_ctx, ldap_state->smbldap_state->ldap_struct, entry);
2765 if (dn == NULL) {
2766 return NT_STATUS_NO_MEMORY;
2767 }
2768
2769 mods = NULL;
2770 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass",
2771 "sambaGroupMapping");
2772 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "sambaSid",
2773 sid_string_static(&map->sid));
2774 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "sambaGroupType",
2775 talloc_asprintf(mem_ctx, "%d", map->sid_name_use));
2776 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "displayName",
2777 map->nt_name);
2778 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "description",
2779 map->comment);
2780 talloc_autofree_ldapmod(mem_ctx, mods);
2781
2782 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
2783 if (rc != LDAP_SUCCESS) {
2784 return NT_STATUS_ACCESS_DENIED;
2785 }
2786
2787 return NT_STATUS_OK;
2788 }
2789
2790 static NTSTATUS ldapsam_add_group_mapping_entry(struct pdb_methods *methods,
2791 GROUP_MAP *map)
2792 {
2793 struct ldapsam_privates *ldap_state =
2794 (struct ldapsam_privates *)methods->private_data;
2795 LDAPMessage *msg = NULL;
2796 LDAPMod **mods = NULL;
2797 const char *attrs[] = { NULL };
2798 char *filter;
2799
2800 char *dn;
2801 TALLOC_CTX *mem_ctx;
2802 NTSTATUS result;
2803
2804 DOM_SID sid;
2805
2806 int rc;
2807
2808 mem_ctx = talloc_new(NULL);
2809 if (mem_ctx == NULL) {
2810 DEBUG(0, ("talloc_new failed\n"));
2811 return NT_STATUS_NO_MEMORY;
2812 }
2813
2814 filter = talloc_asprintf(mem_ctx, "(sambaSid=%s)",
2815 sid_string_static(&map->sid));
2816 if (filter == NULL) {
2817 result = NT_STATUS_NO_MEMORY;
2818 goto done;
2819 }
2820
2821 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_suffix(),
2822 LDAP_SCOPE_SUBTREE, filter, attrs, True, &msg);
2823 talloc_autofree_ldapmsg(mem_ctx, msg);
2824
2825 if ((rc == LDAP_SUCCESS) &&
2826 (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) > 0)) {
2827
2828 DEBUG(3, ("SID %s already present in LDAP, refusing to add "
2829 "group mapping entry\n",
2830 sid_string_static(&map->sid)));
2831 result = NT_STATUS_GROUP_EXISTS;
2832 goto done;
2833 }
2834
2835 switch (map->sid_name_use) {
2836
2837 case SID_NAME_DOM_GRP:
2838 /* To map a domain group we need to have a posix group
2839 to attach to. */
2840 result = ldapsam_map_posixgroup(mem_ctx, ldap_state, map);
2841 goto done;
2842 break;
2843
2844 case SID_NAME_ALIAS:
2845 if (!sid_check_is_in_our_domain(&map->sid)
2846 && !sid_check_is_in_builtin(&map->sid) )
2847 {
2848 DEBUG(3, ("Refusing to map sid %s as an alias, not in our domain\n",
2849 sid_string_static(&map->sid)));
2850 result = NT_STATUS_INVALID_PARAMETER;
2851 goto done;
2852 }
2853 break;
2854
2855 default:
2856 DEBUG(3, ("Got invalid use '%s' for mapping\n",
2857 sid_type_lookup(map->sid_name_use)));
2858 result = NT_STATUS_INVALID_PARAMETER;
2859 goto done;
2860 }
2861
2862 /* Domain groups have been mapped in a separate routine, we have to
2863 * create an alias now */
2864
2865 if (map->gid == -1) {
2866 DEBUG(10, ("Refusing to map gid==-1\n"));
2867 result = NT_STATUS_INVALID_PARAMETER;
2868 goto done;
2869 }
2870
2871 if (pdb_gid_to_sid(map->gid, &sid)) {
2872 DEBUG(3, ("Gid %d is already mapped to SID %s, refusing to "
2873 "add\n", map->gid, sid_string_static(&sid)));
2874 result = NT_STATUS_GROUP_EXISTS;
2875 goto done;
2876 }
2877
2878 /* Ok, enough checks done. It's still racy to go ahead now, but that's
2879 * the best we can get out of LDAP. */
2880
2881 dn = talloc_asprintf(mem_ctx, "sambaSid=%s,%s",
2882 sid_string_static(&map->sid),
2883 lp_ldap_group_suffix());
2884 if (dn == NULL) {
2885 result = NT_STATUS_NO_MEMORY;
2886 goto done;
2887 }
2888
2889 mods = NULL;
2890
2891 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "objectClass",
2892 "sambaSidEntry");
2893 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "objectClass",
2894 "sambaGroupMapping");
2895
2896 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "sambaSid",
2897 sid_string_static(&map->sid));
2898 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "sambaGroupType",
2899 talloc_asprintf(mem_ctx, "%d", map->sid_name_use));
2900 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "displayName",
2901 map->nt_name);
2902 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "description",
2903 map->comment);
2904 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "gidNumber",
2905 talloc_asprintf(mem_ctx, "%u", map->gid));
2906 talloc_autofree_ldapmod(mem_ctx, mods);
2907
2908 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
2909
2910 result = (rc == LDAP_SUCCESS) ?
2911 NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
2912
2913 done:
2914 TALLOC_FREE(mem_ctx);
2915 return result;
2916 }
2917
2918 /**********************************************************************
2919 * Update a group mapping entry. We're quite strict about what can be changed:
2920 * Only the description and displayname may be changed. It simply does not
2921 * make any sense to change the SID, gid or the type in a mapping.
2922 *********************************************************************/
2923
2924 static NTSTATUS ldapsam_update_group_mapping_entry(struct pdb_methods *methods,
2925 GROUP_MAP *map)
2926 {
2927 struct ldapsam_privates *ldap_state =
2928 (struct ldapsam_privates *)methods->private_data;
2929 int rc;
2930 const char *filter, *dn;
2931 LDAPMessage *msg = NULL;
2932 LDAPMessage *entry = NULL;
2933 LDAPMod **mods = NULL;
2934 TALLOC_CTX *mem_ctx;
2935 NTSTATUS result;
2936
2937 mem_ctx = talloc_new(NULL);
2938 if (mem_ctx == NULL) {
2939 DEBUG(0, ("talloc_new failed\n"));
2940 return NT_STATUS_NO_MEMORY;
2941 }
2942
2943 /* Make 100% sure that sid, gid and type are not changed by looking up
2944 * exactly the values we're given in LDAP. */
2945
2946 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)"
2947 "(sambaSid=%s)(gidNumber=%u)"
2948 "(sambaGroupType=%d))",
2949 LDAP_OBJ_GROUPMAP,
2950 sid_string_static(&map->sid), map->gid,
2951 map->sid_name_use);
2952 if (filter == NULL) {
2953 result = NT_STATUS_NO_MEMORY;
2954 goto done;
2955 }
2956
2957 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter,
2958 get_attr_list(mem_ctx, groupmap_attr_list),
2959 &msg);
2960 talloc_autofree_ldapmsg(mem_ctx, msg);
2961
2962 if ((rc != LDAP_SUCCESS) ||
2963 (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) != 1) ||
2964 ((entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg)) == NULL)) {
2965 result = NT_STATUS_NO_SUCH_GROUP;
2966 goto done;
2967 }
2968
2969 dn = smbldap_talloc_dn(mem_ctx, ldap_state->smbldap_state->ldap_struct, entry);
2970
2971 if (dn == NULL) {
2972 result = NT_STATUS_NO_MEMORY;
2973 goto done;
2974 }
2975
2976 mods = NULL;
2977 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "displayName",
2978 map->nt_name);
2979 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "description",
2980 map->comment);
2981 talloc_autofree_ldapmod(mem_ctx, mods);
2982
2983 if (mods == NULL) {
2984 DEBUG(4, ("ldapsam_update_group_mapping_entry: mods is empty: "
2985 "nothing to do\n"));
2986 result = NT_STATUS_OK;
2987 goto done;
2988 }
2989
2990 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
2991
2992 if (rc != LDAP_SUCCESS) {
2993 result = NT_STATUS_ACCESS_DENIED;
2994 goto done;
2995 }
2996
2997 DEBUG(2, ("ldapsam_update_group_mapping_entry: successfully modified "
2998 "group %lu in LDAP\n", (unsigned long)map->gid));
2999
3000 result = NT_STATUS_OK;
3001
3002 done:
3003 TALLOC_FREE(mem_ctx);
3004 return result;
3005 }
3006
3007 /**********************************************************************
3008 *********************************************************************/
3009
3010 static NTSTATUS ldapsam_delete_group_mapping_entry(struct pdb_methods *methods,
3011 DOM_SID sid)
3012 {
3013 struct ldapsam_privates *priv =
3014 (struct ldapsam_privates *)methods->private_data;
3015 LDAPMessage *msg, *entry;
3016 int rc;
3017 NTSTATUS result;
3018 TALLOC_CTX *mem_ctx;
3019 char *filter;
3020
3021 mem_ctx = talloc_new(NULL);
3022 if (mem_ctx == NULL) {
3023 DEBUG(0, ("talloc_new failed\n"));
3024 return NT_STATUS_NO_MEMORY;
3025 }
3026
3027 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)(%s=%s))",
3028 LDAP_OBJ_GROUPMAP, LDAP_ATTRIBUTE_SID,
3029 sid_string_static(&sid));
3030 if (filter == NULL) {
3031 result = NT_STATUS_NO_MEMORY;
3032 goto done;
3033 }
3034 rc = smbldap_search_suffix(priv->smbldap_state, filter,
3035 get_attr_list(mem_ctx, groupmap_attr_list),
3036 &msg);
3037 talloc_autofree_ldapmsg(mem_ctx, msg);
3038
3039 if ((rc != LDAP_SUCCESS) ||
3040 (ldap_count_entries(priv2ld(priv), msg) != 1) ||
3041 ((entry = ldap_first_entry(priv2ld(priv), msg)) == NULL)) {
3042 result = NT_STATUS_NO_SUCH_GROUP;
3043 goto done;
3044 }
3045
3046 rc = ldapsam_delete_entry(priv, mem_ctx, entry, LDAP_OBJ_GROUPMAP,
3047 get_attr_list(mem_ctx,
3048 groupmap_attr_list_to_delete));
3049
3050 if ((rc == LDAP_NAMING_VIOLATION) ||
3051 (rc == LDAP_OBJECT_CLASS_VIOLATION)) {
3052 const char *attrs[] = { "sambaGroupType", "description",
3053 "displayName", "sambaSIDList",
3054 NULL };
3055
3056 /* Second try. Don't delete the sambaSID attribute, this is
3057 for "old" entries that are tacked on a winbind
3058 sambaIdmapEntry. */
3059
3060 rc = ldapsam_delete_entry(priv, mem_ctx, entry,
3061 LDAP_OBJ_GROUPMAP, attrs);
3062 }
3063
3064 if ((rc == LDAP_NAMING_VIOLATION) ||
3065 (rc == LDAP_OBJECT_CLASS_VIOLATION)) {
3066 const char *attrs[] = { "sambaGroupType", "description",
3067 "displayName", "sambaSIDList",
3068 "gidNumber", NULL };
3069
3070 /* Third try. This is a post-3.0.21 alias (containing only
3071 * sambaSidEntry and sambaGroupMapping classes), we also have
3072 * to delete the gidNumber attribute, only the sambaSidEntry
3073 * remains */
3074
3075 rc = ldapsam_delete_entry(priv, mem_ctx, entry,
3076 LDAP_OBJ_GROUPMAP, attrs);
3077 }
3078
3079 result = (rc == LDAP_SUCCESS) ? NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL;
3080
3081 done:
3082 TALLOC_FREE(mem_ctx);
3083 return result;
3084 }
3085
3086 /**********************************************************************
3087 *********************************************************************/
3088
3089 static NTSTATUS ldapsam_setsamgrent(struct pdb_methods *my_methods,
3090 BOOL update)
3091 {
3092 struct ldapsam_privates *ldap_state =
3093 (struct ldapsam_privates *)my_methods->private_data;
3094 fstring filter;
3095 int rc;
3096 const char **attr_list;
3097
3098 pstr_sprintf( filter, "(objectclass=%s)", LDAP_OBJ_GROUPMAP);
3099 attr_list = get_attr_list( NULL, groupmap_attr_list );
3100 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_group_suffix(),
3101 LDAP_SCOPE_SUBTREE, filter,
3102 attr_list, 0, &ldap_state->result);
3103 TALLOC_FREE(attr_list);
3104
3105 if (rc != LDAP_SUCCESS) {
3106 DEBUG(0, ("ldapsam_setsamgrent: LDAP search failed: %s\n",
3107 ldap_err2string(rc)));
3108 DEBUG(3, ("ldapsam_setsamgrent: Query was: %s, %s\n",
3109 lp_ldap_group_suffix(), filter));
3110 ldap_msgfree(ldap_state->result);
3111 ldap_state->result = NULL;
3112 return NT_STATUS_UNSUCCESSFUL;
3113 }
3114
3115 DEBUG(2, ("ldapsam_setsamgrent: %d entries in the base!\n",
3116 ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3117 ldap_state->result)));
3118
3119 ldap_state->entry =
3120 ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3121 ldap_state->result);
3122 ldap_state->index = 0;
3123
3124 return NT_STATUS_OK;
3125 }
3126
3127 /**********************************************************************
3128 *********************************************************************/
3129
3130 static void ldapsam_endsamgrent(struct pdb_methods *my_methods)
3131 {
3132 ldapsam_endsampwent(my_methods);
3133 }
3134
3135 /**********************************************************************
3136 *********************************************************************/
3137
3138 static NTSTATUS ldapsam_getsamgrent(struct pdb_methods *my_methods,
3139 GROUP_MAP *map)
3140 {
3141 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
3142 struct ldapsam_privates *ldap_state =
3143 (struct ldapsam_privates *)my_methods->private_data;
3144 BOOL bret = False;
3145
3146 while (!bret) {
3147 if (!ldap_state->entry)
3148 return ret;
3149
3150 ldap_state->index++;
3151 bret = init_group_from_ldap(ldap_state, map,
3152 ldap_state->entry);
3153
3154 ldap_state->entry =
3155 ldap_next_entry(ldap_state->smbldap_state->ldap_struct,
3156 ldap_state->entry);
3157 }
3158
3159 return NT_STATUS_OK;
3160 }
3161
3162 /**********************************************************************
3163 *********************************************************************/
3164
3165 static NTSTATUS ldapsam_enum_group_mapping(struct pdb_methods *methods,
3166 const DOM_SID *domsid, enum lsa_SidType sid_name_use,
3167 GROUP_MAP **pp_rmap,
3168 size_t *p_num_entries,
3169 BOOL unix_only)
3170 {
3171 GROUP_MAP map;
3172 size_t entries = 0;
3173
3174 *p_num_entries = 0;
3175 *pp_rmap = NULL;
3176
3177 if (!NT_STATUS_IS_OK(ldapsam_setsamgrent(methods, False))) {
3178 DEBUG(0, ("ldapsam_enum_group_mapping: Unable to open "
3179 "passdb\n"));
3180 return NT_STATUS_ACCESS_DENIED;
3181 }
3182
3183 while (NT_STATUS_IS_OK(ldapsam_getsamgrent(methods, &map))) {
3184 if (sid_name_use != SID_NAME_UNKNOWN &&
3185 sid_name_use != map.sid_name_use) {
3186 DEBUG(11,("ldapsam_enum_group_mapping: group %s is "
3187 "not of the requested type\n", map.nt_name));
3188 continue;
3189 }
3190 if (unix_only==ENUM_ONLY_MAPPED && map.gid==-1) {
3191 DEBUG(11,("ldapsam_enum_group_mapping: group %s is "
3192 "non mapped\n", map.nt_name));
3193 continue;
3194 }
3195
3196 (*pp_rmap)=SMB_REALLOC_ARRAY((*pp_rmap), GROUP_MAP, entries+1);
3197 if (!(*pp_rmap)) {
3198 DEBUG(0,("ldapsam_enum_group_mapping: Unable to "
3199 "enlarge group map!\n"));
3200 return NT_STATUS_UNSUCCESSFUL;
3201 }
3202
3203 (*pp_rmap)[entries] = map;
3204
3205 entries += 1;
3206
3207 }
3208 ldapsam_endsamgrent(methods);
3209
3210 *p_num_entries = entries;
3211
3212 return NT_STATUS_OK;
3213 }
3214
3215 static NTSTATUS ldapsam_modify_aliasmem(struct pdb_methods *methods,
3216 const DOM_SID *alias,
3217 const DOM_SID *member,
3218 int modop)
3219 {
3220 struct ldapsam_privates *ldap_state =
3221 (struct ldapsam_privates *)methods->private_data;
3222 char *dn;
3223 LDAPMessage *result = NULL;
3224 LDAPMessage *entry = NULL;
3225 int count;
3226 LDAPMod **mods = NULL;
3227 int rc;
3228 enum lsa_SidType type = SID_NAME_USE_NONE;
3229
3230 pstring filter;
3231
3232 if (sid_check_is_in_builtin(alias)) {
3233 type = SID_NAME_ALIAS;
3234 }
3235
3236 if (sid_check_is_in_our_domain(alias)) {
3237 type = SID_NAME_ALIAS;
3238 }
3239
3240 if (type == SID_NAME_USE_NONE) {
3241 DEBUG(5, ("SID %s is neither in builtin nor in our domain!\n",
3242 sid_string_static(alias)));
3243 return NT_STATUS_NO_SUCH_ALIAS;
3244 }
3245
3246 pstr_sprintf(filter,
3247 "(&(objectClass=%s)(sambaSid=%s)(sambaGroupType=%d))",
3248 LDAP_OBJ_GROUPMAP, sid_string_static(alias),
3249 type);
3250
3251 if (ldapsam_search_one_group(ldap_state, filter,
3252 &result) != LDAP_SUCCESS)
3253 return NT_STATUS_NO_SUCH_ALIAS;
3254
3255 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3256 result);
3257
3258 if (count < 1) {
3259 DEBUG(4, ("ldapsam_modify_aliasmem: Did not find alias\n"));
3260 ldap_msgfree(result);
3261 return NT_STATUS_NO_SUCH_ALIAS;
3262 }
3263
3264 if (count > 1) {
3265 DEBUG(1, ("ldapsam_modify_aliasmem: Duplicate entries for "
3266 "filter %s: count=%d\n", filter, count));
3267 ldap_msgfree(result);
3268 return NT_STATUS_NO_SUCH_ALIAS;
3269 }
3270
3271 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3272 result);
3273
3274 if (!entry) {
3275 ldap_msgfree(result);
3276 return NT_STATUS_UNSUCCESSFUL;
3277 }
3278
3279 dn = smbldap_get_dn(ldap_state->smbldap_state->ldap_struct, entry);
3280 if (!dn) {
3281 ldap_msgfree(result);
3282 return NT_STATUS_UNSUCCESSFUL;
3283 }
3284
3285 smbldap_set_mod(&mods, modop,
3286 get_attr_key2string(groupmap_attr_list,
3287 LDAP_ATTR_SID_LIST),
3288 sid_string_static(member));
3289
3290 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3291
3292 ldap_mods_free(mods, True);
3293 ldap_msgfree(result);
3294 SAFE_FREE(dn);
3295
3296 if (rc == LDAP_TYPE_OR_VALUE_EXISTS) {
3297 return NT_STATUS_MEMBER_IN_ALIAS;
3298 }
3299
3300 if (rc == LDAP_NO_SUCH_ATTRIBUTE) {
3301 return NT_STATUS_MEMBER_NOT_IN_ALIAS;
3302 }
3303
3304 if (rc != LDAP_SUCCESS) {
3305 return NT_STATUS_UNSUCCESSFUL;
3306 }
3307
3308 return NT_STATUS_OK;
3309 }
3310
3311 static NTSTATUS ldapsam_add_aliasmem(struct pdb_methods *methods,
3312 const DOM_SID *alias,
3313 const DOM_SID *member)
3314 {
3315 return ldapsam_modify_aliasmem(methods, alias, member, LDAP_MOD_ADD);
3316 }
3317
3318 static NTSTATUS ldapsam_del_aliasmem(struct pdb_methods *methods,
3319 const DOM_SID *alias,
3320 const DOM_SID *member)
3321 {
3322 return ldapsam_modify_aliasmem(methods, alias, member,
3323 LDAP_MOD_DELETE);
3324 }
3325
3326 static NTSTATUS ldapsam_enum_aliasmem(struct pdb_methods *methods,
3327 const DOM_SID *alias,
3328 DOM_SID **pp_members,
3329 size_t *p_num_members)
3330 {
3331 struct ldapsam_privates *ldap_state =
3332 (struct ldapsam_privates *)methods->private_data;
3333 LDAPMessage *result = NULL;
3334 LDAPMessage *entry = NULL;
3335 int count;
3336 char **values;
3337 int i;
3338 pstring filter;
3339 size_t num_members = 0;
3340 enum lsa_SidType type = SID_NAME_USE_NONE;
3341
3342 *pp_members = NULL;
3343 *p_num_members = 0;
3344
3345 if (sid_check_is_in_builtin(alias)) {
3346 type = SID_NAME_ALIAS;
3347 }
3348
3349 if (sid_check_is_in_our_domain(alias)) {
3350 type = SID_NAME_ALIAS;
3351 }
3352
3353 if (type == SID_NAME_USE_NONE) {
3354 DEBUG(5, ("SID %s is neither in builtin nor in our domain!\n",
3355 sid_string_static(alias)));
3356 return NT_STATUS_NO_SUCH_ALIAS;
3357 }
3358
3359 pstr_sprintf(filter,
3360 "(&(objectClass=%s)(sambaSid=%s)(sambaGroupType=%d))",
3361 LDAP_OBJ_GROUPMAP, sid_string_static(alias),
3362 type);
3363
3364 if (ldapsam_search_one_group(ldap_state, filter,
3365 &result) != LDAP_SUCCESS)
3366 return NT_STATUS_NO_SUCH_ALIAS;
3367
3368 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3369 result);
3370
3371 if (count < 1) {
3372 DEBUG(4, ("ldapsam_enum_aliasmem: Did not find alias\n"));
3373 ldap_msgfree(result);
3374 return NT_STATUS_NO_SUCH_ALIAS;
3375 }
3376
3377 if (count > 1) {
3378 DEBUG(1, ("ldapsam_enum_aliasmem: Duplicate entries for "
3379 "filter %s: count=%d\n", filter, count));
3380 ldap_msgfree(result);
3381 return NT_STATUS_NO_SUCH_ALIAS;
3382 }
3383
3384 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3385 result);
3386
3387 if (!entry) {
3388 ldap_msgfree(result);
3389 return NT_STATUS_UNSUCCESSFUL;
3390 }
3391
3392 values = ldap_get_values(ldap_state->smbldap_state->ldap_struct,
3393 entry,
3394 get_attr_key2string(groupmap_attr_list,
3395 LDAP_ATTR_SID_LIST));
3396
3397 if (values == NULL) {
3398 ldap_msgfree(result);
3399 return NT_STATUS_OK;
3400 }
3401
3402 count = ldap_count_values(values);
3403
3404 for (i=0; i<count; i++) {
3405 DOM_SID member;
3406
3407 if (!string_to_sid(&member, values[i]))
3408 continue;
3409
3410 if (!add_sid_to_array(NULL, &member, pp_members, &num_members)) {
3411 ldap_value_free(values);
3412 ldap_msgfree(result);
3413 return NT_STATUS_NO_MEMORY;
3414 }
3415 }
3416
3417 *p_num_members = num_members;
3418 ldap_value_free(values);
3419 ldap_msgfree(result);
3420
3421 return NT_STATUS_OK;
3422 }
3423
3424 static NTSTATUS ldapsam_alias_memberships(struct pdb_methods *methods,
3425 TALLOC_CTX *mem_ctx,
3426 const DOM_SID *domain_sid,
3427 const DOM_SID *members,
3428 size_t num_members,
3429 uint32 **pp_alias_rids,
3430 size_t *p_num_alias_rids)
3431 {
3432 struct ldapsam_privates *ldap_state =
3433 (struct ldapsam_privates *)methods->private_data;
3434 LDAP *ldap_struct;
3435
3436 const char *attrs[] = { LDAP_ATTRIBUTE_SID, NULL };
3437
3438 LDAPMessage *result = NULL;
3439 LDAPMessage *entry = NULL;
3440 int i;
3441 int rc;
3442 char *filter;
3443 enum lsa_SidType type = SID_NAME_USE_NONE;
3444
3445 if (sid_check_is_builtin(domain_sid)) {
3446 type = SID_NAME_ALIAS;
3447 }
3448
3449 if (sid_check_is_domain(domain_sid)) {
3450 type = SID_NAME_ALIAS;
3451 }
3452
3453 if (type == SID_NAME_USE_NONE) {
3454 DEBUG(5, ("SID %s is neither builtin nor domain!\n",
3455 sid_string_static(domain_sid)));
3456 return NT_STATUS_UNSUCCESSFUL;
3457 }
3458
3459 filter = talloc_asprintf(mem_ctx,
3460 "(&(|(objectclass=%s)(sambaGroupType=%d))(|",
3461 LDAP_OBJ_GROUPMAP, type);
3462
3463 for (i=0; i<num_members; i++)
3464 filter = talloc_asprintf(mem_ctx, "%s(sambaSIDList=%s)",
3465 filter,
3466 sid_string_static(&members[i]));
3467
3468 filter = talloc_asprintf(mem_ctx, "%s))", filter);
3469
3470 if (filter == NULL) {
3471 return NT_STATUS_NO_MEMORY;
3472 }
3473
3474 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_group_suffix(),
3475 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
3476
3477 if (rc != LDAP_SUCCESS)
3478 return NT_STATUS_UNSUCCESSFUL;
3479
3480 ldap_struct = ldap_state->smbldap_state->ldap_struct;
3481
3482 for (entry = ldap_first_entry(ldap_struct, result);
3483 entry != NULL;
3484 entry = ldap_next_entry(ldap_struct, entry))
3485 {
3486 fstring sid_str;
3487 DOM_SID sid;
3488 uint32 rid;
3489
3490 if (!smbldap_get_single_attribute(ldap_struct, entry,
3491 LDAP_ATTRIBUTE_SID,
3492 sid_str,
3493 sizeof(sid_str)-1))
3494 continue;
3495
3496 if (!string_to_sid(&sid, sid_str))
3497 continue;
3498
3499 if (!sid_peek_check_rid(domain_sid, &sid, &rid))
3500 continue;
3501
3502 if (!add_rid_to_array_unique(mem_ctx, rid, pp_alias_rids,
3503 p_num_alias_rids)) {
3504 ldap_msgfree(result);
3505 return NT_STATUS_NO_MEMORY;
3506 }
3507 }
3508
3509 ldap_msgfree(result);
3510 return NT_STATUS_OK;
3511 }
3512
3513 static NTSTATUS ldapsam_set_account_policy_in_ldap(struct pdb_methods *methods,
3514 int policy_index,
3515 uint32 value)
3516 {
3517 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3518 int rc;
3519 LDAPMod **mods = NULL;
3520 fstring value_string;
3521 const char *policy_attr = NULL;
3522
3523 struct ldapsam_privates *ldap_state =
3524 (struct ldapsam_privates *)methods->private_data;
3525
3526 DEBUG(10,("ldapsam_set_account_policy_in_ldap\n"));
3527
3528 if (!ldap_state->domain_dn) {
3529 return NT_STATUS_INVALID_PARAMETER;
3530 }
3531
3532 policy_attr = get_account_policy_attr(policy_index);
3533 if (policy_attr == NULL) {
3534 DEBUG(0,("ldapsam_set_account_policy_in_ldap: invalid "
3535 "policy\n"));
3536 return ntstatus;
3537 }
3538
3539 slprintf(value_string, sizeof(value_string) - 1, "%i", value);
3540
3541 smbldap_set_mod(&mods, LDAP_MOD_REPLACE, policy_attr, value_string);
3542
3543 rc = smbldap_modify(ldap_state->smbldap_state, ldap_state->domain_dn,
3544 mods);
3545
3546 ldap_mods_free(mods, True);
3547
3548 if (rc != LDAP_SUCCESS) {
3549 return ntstatus;
3550 }
3551
3552 if (!cache_account_policy_set(policy_index, value)) {
3553 DEBUG(0,("ldapsam_set_account_policy_in_ldap: failed to "
3554 "update local tdb cache\n"));
3555 return ntstatus;
3556 }
3557
3558 return NT_STATUS_OK;
3559 }
3560
3561 static NTSTATUS ldapsam_set_account_policy(struct pdb_methods *methods,
3562 int policy_index, uint32 value)
3563 {
3564 return ldapsam_set_account_policy_in_ldap(methods, policy_index,
3565 value);
3566 }
3567
3568 static NTSTATUS ldapsam_get_account_policy_from_ldap(struct pdb_methods *methods,
3569 int policy_index,
3570 uint32 *value)
3571 {
3572 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3573 LDAPMessage *result = NULL;
3574 LDAPMessage *entry = NULL;
3575 int count;
3576 int rc;
3577 char **vals = NULL;
3578 const char *policy_attr = NULL;
3579
3580 struct ldapsam_privates *ldap_state =
3581 (struct ldapsam_privates *)methods->private_data;
3582
3583 const char *attrs[2];
3584
3585 DEBUG(10,("ldapsam_get_account_policy_from_ldap\n"));
3586
3587 if (!ldap_state->domain_dn) {
3588 return NT_STATUS_INVALID_PARAMETER;
3589 }
3590
3591 policy_attr = get_account_policy_attr(policy_index);
3592 if (!policy_attr) {
3593 DEBUG(0,("ldapsam_get_account_policy_from_ldap: invalid "
3594 "policy index: %d\n", policy_index));
3595 return ntstatus;
3596 }
3597
3598 attrs[0] = policy_attr;
3599 attrs[1] = NULL;
3600
3601 rc = smbldap_search(ldap_state->smbldap_state, ldap_state->domain_dn,
3602 LDAP_SCOPE_BASE, "(objectclass=*)", attrs, 0,
3603 &result);
3604
3605 if (rc != LDAP_SUCCESS) {
3606 return ntstatus;
3607 }
3608
3609 count = ldap_count_entries(priv2ld(ldap_state), result);
3610 if (count < 1) {
3611 goto out;
3612 }
3613
3614 entry = ldap_first_entry(priv2ld(ldap_state), result);
3615 if (entry == NULL) {
3616 goto out;
3617 }
3618
3619 vals = ldap_get_values(priv2ld(ldap_state), entry, policy_attr);
3620 if (vals == NULL) {
3621 goto out;
3622 }
3623
3624 *value = (uint32)atol(vals[0]);
3625
3626 ntstatus = NT_STATUS_OK;
3627
3628 out:
3629 if (vals)
3630 ldap_value_free(vals);
3631 ldap_msgfree(result);
3632
3633 return ntstatus;
3634 }
3635
3636 /* wrapper around ldapsam_get_account_policy_from_ldap(), handles tdb as cache
3637
3638 - if user hasn't decided to use account policies inside LDAP just reuse the
3639 old tdb values
3640
3641 - if there is a valid cache entry, return that
3642 - if there is an LDAP entry, update cache and return
3643 - otherwise set to default, update cache and return
3644
3645 Guenther
3646 */
3647 static NTSTATUS ldapsam_get_account_policy(struct pdb_methods *methods,
3648 int policy_index, uint32 *value)
3649 {
3650 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3651
3652 if (cache_account_policy_get(policy_index, value)) {
3653 DEBUG(11,("ldapsam_get_account_policy: got valid value from "
3654 "cache\n"));
3655 return NT_STATUS_OK;
3656 }
3657
3658 ntstatus = ldapsam_get_account_policy_from_ldap(methods, policy_index,
3659 value);
3660 if (NT_STATUS_IS_OK(ntstatus)) {
3661 goto update_cache;
3662 }
3663
3664 DEBUG(10,("ldapsam_get_account_policy: failed to retrieve from "
3665 "ldap\n"));
3666
3667 #if 0
3668 /* should we automagically migrate old tdb value here ? */
3669 if (account_policy_get(policy_index, value))
3670 goto update_ldap;
3671
3672 DEBUG(10,("ldapsam_get_account_policy: no tdb for %d, trying "
3673 "default\n", policy_index));
3674 #endif
3675
3676 if (!account_policy_get_default(policy_index, value)) {
3677 return ntstatus;
3678 }
3679
3680 /* update_ldap: */
3681
3682 ntstatus = ldapsam_set_account_policy(methods, policy_index, *value);
3683 if (!NT_STATUS_IS_OK(ntstatus)) {
3684 return ntstatus;
3685 }
3686
3687 update_cache:
3688
3689 if (!cache_account_policy_set(policy_index, *value)) {
3690 DEBUG(0,("ldapsam_get_account_policy: failed to update local "
3691 "tdb as a cache\n"));
3692 return NT_STATUS_UNSUCCESSFUL;
3693 }
3694
3695 return NT_STATUS_OK;
3696 }
3697
3698 static NTSTATUS ldapsam_lookup_rids(struct pdb_methods *methods,
3699 const DOM_SID *domain_sid,
3700 int num_rids,
3701 uint32 *rids,
3702 const char **names,
3703 enum lsa_SidType *attrs)
3704 {
3705 struct ldapsam_privates *ldap_state =
3706 (struct ldapsam_privates *)methods->private_data;
3707 LDAPMessage *msg = NULL;
3708 LDAPMessage *entry;
3709 char *allsids = NULL;
3710 int i, rc, num_mapped;
3711 NTSTATUS result = NT_STATUS_NO_MEMORY;
3712 TALLOC_CTX *mem_ctx;
3713 LDAP *ld;
3714 BOOL is_builtin;
3715
3716 mem_ctx = talloc_new(NULL);
3717 if (mem_ctx == NULL) {
3718 DEBUG(0, ("talloc_new failed\n"));
3719 goto done;
3720 }
3721
3722 if (!sid_check_is_builtin(domain_sid) &&
3723 !sid_check_is_domain(domain_sid)) {
3724 result = NT_STATUS_INVALID_PARAMETER;
3725 goto done;
3726 }
3727
3728 for (i=0; i<num_rids; i++)
3729 attrs[i] = SID_NAME_UNKNOWN;
3730
3731 allsids = talloc_strdup(mem_ctx, "");
3732 if (allsids == NULL) {
3733 goto done;
3734 }
3735
3736 for (i=0; i<num_rids; i++) {
3737 DOM_SID sid;
3738 sid_compose(&sid, domain_sid, rids[i]);
3739 allsids = talloc_asprintf_append(allsids, "(sambaSid=%s)",
3740 sid_string_static(&sid));
3741 if (allsids == NULL) {
3742 goto done;
3743 }
3744 }
3745
3746 /* First look for users */
3747
3748 {
3749 char *filter;
3750 const char *ldap_attrs[] = { "uid", "sambaSid", NULL };
3751
3752 filter = talloc_asprintf(
3753 mem_ctx, ("(&(objectClass=%s)(|%s))"),
3754 LDAP_OBJ_SAMBASAMACCOUNT, allsids);
3755
3756 if (filter == NULL) {
3757 goto done;
3758 }
3759
3760 rc = smbldap_search(ldap_state->smbldap_state,
3761 lp_ldap_user_suffix(),
3762 LDAP_SCOPE_SUBTREE, filter, ldap_attrs, 0,
3763 &msg);
3764 talloc_autofree_ldapmsg(mem_ctx, msg);
3765 }
3766
3767 if (rc != LDAP_SUCCESS)
3768 goto done;
3769
3770 ld = ldap_state->smbldap_state->ldap_struct;
3771 num_mapped = 0;
3772
3773 for (entry = ldap_first_entry(ld, msg);
3774 entry != NULL;
3775 entry = ldap_next_entry(ld, entry)) {
3776 uint32 rid;
3777 int rid_index;
3778 const char *name;
3779
3780 if (!ldapsam_extract_rid_from_entry(ld, entry, domain_sid,
3781 &rid)) {
3782 DEBUG(2, ("Could not find sid from ldap entry\n"));
3783 continue;
3784 }
3785
3786 name = smbldap_talloc_single_attribute(ld, entry, "uid",
3787 names);
3788 if (name == NULL) {
3789 DEBUG(2, ("Could not retrieve uid attribute\n"));
3790 continue;
3791 }
3792
3793 for (rid_index = 0; rid_index < num_rids; rid_index++) {
3794 if (rid == rids[rid_index])
3795 break;
3796 }
3797
3798 if (rid_index == num_rids) {
3799 DEBUG(2, ("Got a RID not asked for: %d\n", rid));
3800 continue;
3801 }
3802
3803 attrs[rid_index] = SID_NAME_USER;
3804 names[rid_index] = name;
3805 num_mapped += 1;
3806 }
3807
3808 if (num_mapped == num_rids) {
3809 /* No need to look for groups anymore -- we're done */
3810 result = NT_STATUS_OK;
3811 goto done;
3812 }
3813
3814 /* Same game for groups */
3815
3816 {
3817 char *filter;
3818 const char *ldap_attrs[] = { "cn", "displayName", "sambaSid",
3819 "sambaGroupType", NULL };
3820
3821 filter = talloc_asprintf(
3822 mem_ctx, "(&(objectClass=%s)(|%s))",
3823 LDAP_OBJ_GROUPMAP, allsids);
3824 if (filter == NULL) {
3825 goto done;
3826 }
3827
3828 rc = smbldap_search(ldap_state->smbldap_state,
3829 lp_ldap_group_suffix(),
3830 LDAP_SCOPE_SUBTREE, filter, ldap_attrs, 0,
3831 &msg);
3832 talloc_autofree_ldapmsg(mem_ctx, msg);
3833 }
3834
3835 if (rc != LDAP_SUCCESS)
3836 goto done;
3837
3838 /* ldap_struct might have changed due to a reconnect */
3839
3840 ld = ldap_state->smbldap_state->ldap_struct;
3841
3842 /* For consistency checks, we already checked we're only domain or builtin */
3843
3844 is_builtin = sid_check_is_builtin(domain_sid);
3845
3846 for (entry = ldap_first_entry(ld, msg);
3847 entry != NULL;
3848 entry = ldap_next_entry(ld, entry))
3849 {
3850 uint32 rid;
3851 int rid_index;
3852 const char *attr;
3853 enum lsa_SidType type;
3854 const char *dn = smbldap_talloc_dn(mem_ctx, ld, entry);
3855
3856 attr = smbldap_talloc_single_attribute(ld, entry, "sambaGroupType",
3857 mem_ctx);
3858 if (attr == NULL) {
3859 DEBUG(2, ("Could not extract type from ldap entry %s\n",
3860 dn));
3861 continue;
3862 }
3863
3864 type = (enum lsa_SidType)atol(attr);
3865
3866 /* Consistency checks */
3867 if ((is_builtin && (type != SID_NAME_ALIAS)) ||
3868 (!is_builtin && ((type != SID_NAME_ALIAS) &&
3869 (type != SID_NAME_DOM_GRP)))) {
3870 DEBUG(2, ("Rejecting invalid group mapping entry %s\n", dn));
3871 }
3872
3873 if (!ldapsam_extract_rid_from_entry(ld, entry, domain_sid,
3874 &rid)) {
3875 DEBUG(2, ("Could not find sid from ldap entry %s\n", dn));
3876 continue;
3877 }
3878
3879 attr = smbldap_talloc_single_attribute(ld, entry, "displayName", names);
3880
3881 if (attr == NULL) {
3882 DEBUG(10, ("Could not retrieve 'displayName' attribute from %s\n",
3883 dn));
3884 attr = smbldap_talloc_single_attribute(ld, entry, "cn", names);
3885 }
3886
3887 if (attr == NULL) {
3888 DEBUG(2, ("Could not retrieve naming attribute from %s\n",
3889 dn));
3890 continue;
3891 }
3892
3893 for (rid_index = 0; rid_index < num_rids; rid_index++) {
3894 if (rid == rids[rid_index])
3895 break;
3896 }
3897
3898 if (rid_index == num_rids) {
3899 DEBUG(2, ("Got a RID not asked for: %d\n", rid));
3900 continue;
3901 }
3902
3903 attrs[rid_index] = type;
3904 names[rid_index] = attr;
3905 num_mapped += 1;
3906 }
3907
3908 result = NT_STATUS_NONE_MAPPED;
3909
3910 if (num_mapped > 0)
3911 result = (num_mapped == num_rids) ?
3912 NT_STATUS_OK : STATUS_SOME_UNMAPPED;
3913 done:
3914 TALLOC_FREE(mem_ctx);
3915 return result;
3916 }
3917
3918 static char *get_ldap_filter(TALLOC_CTX *mem_ctx, const char *username)
3919 {
3920 char *filter = NULL;
3921 char *escaped = NULL;
3922 char *result = NULL;
3923
3924 asprintf(&filter, "(&%s(objectclass=sambaSamAccount))",
3925 "(uid=%u)");
3926 if (filter == NULL) goto done;
3927
3928 escaped = escape_ldap_string_alloc(username);
3929 if (escaped == NULL) goto done;
3930
3931 result = talloc_string_sub(mem_ctx, filter, "%u", username);
3932
3933 done:
3934 SAFE_FREE(filter);
3935 SAFE_FREE(escaped);
3936
3937 return result;
3938 }
3939
3940 const char **talloc_attrs(TALLOC_CTX *mem_ctx, ...)
3941 {
3942 int i, num = 0;
3943 va_list ap;
3944 const char **result;
3945
3946 va_start(ap, mem_ctx);
3947 while (va_arg(ap, const char *) != NULL)
3948 num += 1;
3949 va_end(ap);
3950
3951 if ((result = TALLOC_ARRAY(mem_ctx, const char *, num+1)) == NULL) {
3952 return NULL;
3953 }
3954
3955 va_start(ap, mem_ctx);
3956 for (i=0; i<num; i++) {
3957 result[i] = talloc_strdup(result, va_arg(ap, const char*));
3958 if (result[i] == NULL) {
3959 talloc_free(result);
3960 return NULL;
3961 }
3962 }
3963 va_end(ap);
3964
3965 result[num] = NULL;
3966 return result;
3967 }
3968
3969 struct ldap_search_state {
3970 struct smbldap_state *connection;
3971
3972 uint32 acct_flags;
3973 uint16 group_type;
3974
3975 const char *base;
3976 int scope;
3977 const char *filter;
3978 const char **attrs;
3979 int attrsonly;
3980 void *pagedresults_cookie;
3981
3982 LDAPMessage *entries, *current_entry;
3983 BOOL (*ldap2displayentry)(struct ldap_search_state *state,
3984 TALLOC_CTX *mem_ctx,
3985 LDAP *ld, LDAPMessage *entry,
3986 struct samr_displayentry *result);
3987 };
3988
3989 static BOOL ldapsam_search_firstpage(struct pdb_search *search)
3990 {
3991 struct ldap_search_state *state =
3992 (struct ldap_search_state *)search->private_data;
3993 LDAP *ld;
3994 int rc = LDAP_OPERATIONS_ERROR;
3995
3996 state->entries = NULL;
3997
3998 if (state->connection->paged_results) {
3999 rc = smbldap_search_paged(state->connection, state->base,
4000 state->scope, state->filter,
4001 state->attrs, state->attrsonly,
4002 lp_ldap_page_size(), &state->entries,
4003 &state->pagedresults_cookie);
4004 }
4005
4006 if ((rc != LDAP_SUCCESS) || (state->entries == NULL)) {
4007
4008 if (state->entries != NULL) {
4009 /* Left over from unsuccessful paged attempt */
4010 ldap_msgfree(state->entries);
4011 state->entries = NULL;
4012 }
4013
4014 rc = smbldap_search(state->connection, state->base,
4015 state->scope, state->filter, state->attrs,
4016 state->attrsonly, &state->entries);
4017
4018 if ((rc != LDAP_SUCCESS) || (state->entries == NULL))
4019 return False;
4020
4021 /* Ok, the server was lying. It told us it could do paged
4022 * searches when it could not. */
4023 state->connection->paged_results = False;
4024 }
4025
4026 ld = state->connection->ldap_struct;
4027 if ( ld == NULL) {
4028 DEBUG(5, ("Don't have an LDAP connection right after a "
4029 "search\n"));
4030 return False;
4031 }
4032 state->current_entry = ldap_first_entry(ld, state->entries);
4033
4034 if (state->current_entry == NULL) {
4035 ldap_msgfree(state->entries);
4036 state->entries = NULL;
4037 }
4038
4039 return True;
4040 }
4041
4042 static BOOL ldapsam_search_nextpage(struct pdb_search *search)
4043 {
4044 struct ldap_search_state *state =
4045 (struct ldap_search_state *)search->private_data;
4046 int rc;
4047
4048 if (!state->connection->paged_results) {
4049 /* There is no next page when there are no paged results */
4050 return False;
4051 }
4052
4053 rc = smbldap_search_paged(state->connection, state->base,
4054 state->scope, state->filter, state->attrs,
4055 state->attrsonly, lp_ldap_page_size(),
4056 &state->entries,
4057 &state->pagedresults_cookie);
4058
4059 if ((rc != LDAP_SUCCESS) || (state->entries == NULL))
4060 return False;
4061
4062 state->current_entry = ldap_first_entry(state->connection->ldap_struct, state->entries);
4063
4064 if (state->current_entry == NULL) {
4065 ldap_msgfree(state->entries);
4066 state->entries = NULL;
4067 }
4068
4069 return True;
4070 }
4071
4072 static BOOL ldapsam_search_next_entry(struct pdb_search *search,
4073 struct samr_displayentry *entry)
4074 {
4075 struct ldap_search_state *state =
4076 (struct ldap_search_state *)search->private_data;
4077 BOOL result;
4078
4079 retry:
4080 if ((state->entries == NULL) && (state->pagedresults_cookie == NULL))
4081 return False;
4082
4083 if ((state->entries == NULL) &&
4084 !ldapsam_search_nextpage(search))
4085 return False;
4086
4087 result = state->ldap2displayentry(state, search->mem_ctx, state->connection->ldap_struct,
4088 state->current_entry, entry);
4089
4090 if (!result) {
4091 char *dn;
4092 dn = ldap_get_dn(state->connection->ldap_struct, state->current_entry);
4093 DEBUG(5, ("Skipping entry %s\n", dn != NULL ? dn : "<NULL>"));
4094 if (dn != NULL) ldap_memfree(dn);
4095 }
4096
4097 state->current_entry = ldap_next_entry(state->connection->ldap_struct, state->current_entry);
4098
4099 if (state->current_entry == NULL) {
4100 ldap_msgfree(state->entries);
4101 state->entries = NULL;
4102 }
4103
4104 if (!result) goto retry;
4105
4106 return True;
4107 }
4108
4109 static void ldapsam_search_end(struct pdb_search *search)
4110 {
4111 struct ldap_search_state *state =
4112 (struct ldap_search_state *)search->private_data;
4113 int rc;
4114
4115 if (state->pagedresults_cookie == NULL)
4116 return;
4117
4118 if (state->entries != NULL)
4119 ldap_msgfree(state->entries);
4120
4121 state->entries = NULL;
4122 state->current_entry = NULL;
4123
4124 if (!state->connection->paged_results)
4125 return;
4126
4127 /* Tell the LDAP server we're not interested in the rest anymore. */
4128
4129 rc = smbldap_search_paged(state->connection, state->base, state->scope,
4130 state->filter, state->attrs,
4131 state->attrsonly, 0, &state->entries,
4132 &state->pagedresults_cookie);
4133
4134 if (rc != LDAP_SUCCESS)
4135 DEBUG(5, ("Could not end search properly\n"));
4136
4137 return;
4138 }
4139
4140 static BOOL ldapuser2displayentry(struct ldap_search_state *state,
4141 TALLOC_CTX *mem_ctx,
4142 LDAP *ld, LDAPMessage *entry,
4143 struct samr_displayentry *result)
4144 {
4145 char **vals;
4146 DOM_SID sid;
4147 uint32 acct_flags;
4148
4149 vals = ldap_get_values(ld, entry, "sambaAcctFlags");
4150 if ((vals == NULL) || (vals[0] == NULL)) {
4151 DEBUG(5, ("\"sambaAcctFlags\" not found\n"));
4152 return False;
4153 }
4154 acct_flags = pdb_decode_acct_ctrl(vals[0]);
4155 ldap_value_free(vals);
4156
4157 if ((state->acct_flags != 0) &&
4158 ((state->acct_flags & acct_flags) == 0))
4159 return False;
4160
4161 result->acct_flags = acct_flags;
4162 result->account_name = "";
4163 result->fullname = "";
4164 result->description = "";
4165
4166 vals = ldap_get_values(ld, entry, "uid");
4167 if ((vals == NULL) || (vals[0] == NULL)) {
4168 DEBUG(5, ("\"uid\" not found\n"));
4169 return False;
4170 }
4171 pull_utf8_talloc(mem_ctx,
4172 CONST_DISCARD(char **, &result->account_name),
4173 vals[0]);
4174 ldap_value_free(vals);
4175
4176 vals = ldap_get_values(ld, entry, "displayName");
4177 if ((vals == NULL) || (vals[0] == NULL))
4178 DEBUG(8, ("\"displayName\" not found\n"));
4179 else
4180 pull_utf8_talloc(mem_ctx,
4181 CONST_DISCARD(char **, &result->fullname),
4182 vals[0]);
4183 ldap_value_free(vals);
4184
4185 vals = ldap_get_values(ld, entry, "description");
4186 if ((vals == NULL) || (vals[0] == NULL))
4187 DEBUG(8, ("\"description\" not found\n"));
4188 else
4189 pull_utf8_talloc(mem_ctx,
4190 CONST_DISCARD(char **, &result->description),
4191 vals[0]);
4192 ldap_value_free(vals);
4193
4194 if ((result->account_name == NULL) ||
4195 (result->fullname == NULL) ||
4196 (result->description == NULL)) {
4197 DEBUG(0, ("talloc failed\n"));
4198 return False;
4199 }
4200
4201 vals = ldap_get_values(ld, entry, "sambaSid");
4202 if ((vals == NULL) || (vals[0] == NULL)) {
4203 DEBUG(0, ("\"objectSid\" not found\n"));
4204 return False;
4205 }
4206
4207 if (!string_to_sid(&sid, vals[0])) {
4208 DEBUG(0, ("Could not convert %s to SID\n", vals[0]));
4209 ldap_value_free(vals);
4210 return False;
4211 }
4212 ldap_value_free(vals);
4213
4214 if (!sid_peek_check_rid(get_global_sam_sid(), &sid, &result->rid)) {
4215 DEBUG(0, ("sid %s does not belong to our domain\n",
4216 sid_string_static(&sid)));
4217 return False;
4218 }
4219
4220 return True;
4221 }
4222
4223
4224 static BOOL ldapsam_search_users(struct pdb_methods *methods,
4225 struct pdb_search *search,
4226 uint32 acct_flags)
4227 {
4228 struct ldapsam_privates *ldap_state =
4229 (struct ldapsam_privates *)methods->private_data;
4230 struct ldap_search_state *state;
4231
4232 state = TALLOC_P(search->mem_ctx, struct ldap_search_state);
4233 if (state == NULL) {
4234 DEBUG(0, ("talloc failed\n"));
4235 return False;
4236 }
4237
4238 state->connection = ldap_state->smbldap_state;
4239
4240 if ((acct_flags != 0) && ((acct_flags & ACB_NORMAL) != 0))
4241 state->base = lp_ldap_user_suffix();
4242 else if ((acct_flags != 0) &&
4243 ((acct_flags & (ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)) != 0))
4244 state->base = lp_ldap_machine_suffix();
4245 else
4246 state->base = lp_ldap_suffix();
4247
4248 state->acct_flags = acct_flags;
4249 state->base = talloc_strdup(search->mem_ctx, state->base);
4250 state->scope = LDAP_SCOPE_SUBTREE;
4251 state->filter = get_ldap_filter(search->mem_ctx, "*");
4252 state->attrs = talloc_attrs(search->mem_ctx, "uid", "sambaSid",
4253 "displayName", "description",
4254 "sambaAcctFlags", NULL);
4255 state->attrsonly = 0;
4256 state->pagedresults_cookie = NULL;
4257 state->entries = NULL;
4258 state->ldap2displayentry = ldapuser2displayentry;
4259
4260 if ((state->filter == NULL) || (state->attrs == NULL)) {
4261 DEBUG(0, ("talloc failed\n"));
4262 return False;
4263 }
4264
4265 search->private_data = state;
4266 search->next_entry = ldapsam_search_next_entry;
4267 search->search_end = ldapsam_search_end;
4268
4269 return ldapsam_search_firstpage(search);
4270 }
4271
4272 static BOOL ldapgroup2displayentry(struct ldap_search_state *state,
4273 TALLOC_CTX *mem_ctx,
4274 LDAP *ld, LDAPMessage *entry,
4275 struct samr_displayentry *result)
4276 {
4277 char **vals;
4278 DOM_SID sid;
4279 uint16 group_type;
4280
4281 result->account_name = "";
4282 result->fullname = "";
4283 result->description = "";
4284
4285
4286 vals = ldap_get_values(ld, entry, "sambaGroupType");
4287 if ((vals == NULL) || (vals[0] == NULL)) {
4288 DEBUG(5, ("\"sambaGroupType\" not found\n"));
4289 if (vals != NULL) {
4290 ldap_value_free(vals);
4291 }
4292 return False;
4293 }
4294
4295 group_type = atoi(vals[0]);
4296
4297 if ((state->group_type != 0) &&
4298 ((state->group_type != group_type))) {
4299 ldap_value_free(vals);
4300 return False;
4301 }
4302
4303 ldap_value_free(vals);
4304
4305 /* display name is the NT group name */
4306
4307 vals = ldap_get_values(ld, entry, "displayName");
4308 if ((vals == NULL) || (vals[0] == NULL)) {
4309 DEBUG(8, ("\"displayName\" not found\n"));
4310
4311 /* fallback to the 'cn' attribute */
4312 vals = ldap_get_values(ld, entry, "cn");
4313 if ((vals == NULL) || (vals[0] == NULL)) {
4314 DEBUG(5, ("\"cn\" not found\n"));
4315 return False;
4316 }
4317 pull_utf8_talloc(mem_ctx,
4318 CONST_DISCARD(char **, &result->account_name),
4319 vals[0]);
4320 }
4321 else {
4322 pull_utf8_talloc(mem_ctx,
4323 CONST_DISCARD(char **, &result->account_name),
4324 vals[0]);
4325 }
4326
4327 ldap_value_free(vals);
4328
4329 vals = ldap_get_values(ld, entry, "description");
4330 if ((vals == NULL) || (vals[0] == NULL))
4331 DEBUG(8, ("\"description\" not found\n"));
4332 else
4333 pull_utf8_talloc(mem_ctx,
4334 CONST_DISCARD(char **, &result->description),
4335 vals[0]);
4336 ldap_value_free(vals);
4337
4338 if ((result->account_name == NULL) ||
4339 (result->fullname == NULL) ||
4340 (result->description == NULL)) {
4341 DEBUG(0, ("talloc failed\n"));
4342 return False;
4343 }
4344
4345 vals = ldap_get_values(ld, entry, "sambaSid");
4346 if ((vals == NULL) || (vals[0] == NULL)) {
4347 DEBUG(0, ("\"objectSid\" not found\n"));
4348 if (vals != NULL) {
4349 ldap_value_free(vals);
4350 }
4351 return False;
4352 }
4353
4354 if (!string_to_sid(&sid, vals[0])) {
4355 DEBUG(0, ("Could not convert %s to SID\n", vals[0]));
4356 return False;
4357 }
4358
4359 ldap_value_free(vals);
4360
4361 switch (group_type) {
4362 case SID_NAME_DOM_GRP:
4363 case SID_NAME_ALIAS:
4364
4365 if (!sid_peek_check_rid(get_global_sam_sid(), &sid, &result->rid)
4366 && !sid_peek_check_rid(&global_sid_Builtin, &sid, &result->rid))
4367 {
4368 DEBUG(0, ("%s is not in our domain\n",
4369 sid_string_static(&sid)));
4370 return False;
4371 }
4372 break;
4373
4374 default:
4375 DEBUG(0,("unkown group type: %d\n", group_type));
4376 return False;
4377 }
4378
4379 return True;
4380 }
4381
4382 static BOOL ldapsam_search_grouptype(struct pdb_methods *methods,
4383 struct pdb_search *search,
4384 const DOM_SID *sid,
4385 enum lsa_SidType type)
4386 {
4387 struct ldapsam_privates *ldap_state =
4388 (struct ldapsam_privates *)methods->private_data;
4389 struct ldap_search_state *state;
4390
4391 state = TALLOC_P(search->mem_ctx, struct ldap_search_state);
4392 if (state == NULL) {
4393 DEBUG(0, ("talloc failed\n"));
4394 return False;
4395 }
4396
4397 state->connection = ldap_state->smbldap_state;
4398
4399 state->base = talloc_strdup(search->mem_ctx, lp_ldap_group_suffix());
4400 state->connection = ldap_state->smbldap_state;
4401 state->scope = LDAP_SCOPE_SUBTREE;
4402 state->filter = talloc_asprintf(search->mem_ctx,
4403 "(&(objectclass=sambaGroupMapping)"
4404 "(sambaGroupType=%d)(sambaSID=%s*))",
4405 type, sid_string_static(sid));
4406 state->attrs = talloc_attrs(search->mem_ctx, "cn", "sambaSid",
4407 "displayName", "description",
4408 "sambaGroupType", NULL);
4409 state->attrsonly = 0;
4410 state->pagedresults_cookie = NULL;
4411 state->entries = NULL;
4412 state->group_type = type;
4413 state->ldap2displayentry = ldapgroup2displayentry;
4414
4415 if ((state->filter == NULL) || (state->attrs == NULL)) {
4416 DEBUG(0, ("talloc failed\n"));
4417 return False;
4418 }
4419
4420 search->private_data = state;
4421 search->next_entry = ldapsam_search_next_entry;
4422 search->search_end = ldapsam_search_end;
4423
4424 return ldapsam_search_firstpage(search);
4425 }
4426
4427 static BOOL ldapsam_search_groups(struct pdb_methods *methods,
4428 struct pdb_search *search)
4429 {
4430 return ldapsam_search_grouptype(methods, search, get_global_sam_sid(), SID_NAME_DOM_GRP);
4431 }
4432
4433 static BOOL ldapsam_search_aliases(struct pdb_methods *methods,
4434 struct pdb_search *search,
4435 const DOM_SID *sid)
4436 {
4437 return ldapsam_search_grouptype(methods, search, sid, SID_NAME_ALIAS);
4438 }
4439
4440 static BOOL ldapsam_rid_algorithm(struct pdb_methods *methods)
4441 {
4442 return False;
4443 }
4444
4445 static NTSTATUS ldapsam_get_new_rid(struct ldapsam_privates *priv,
4446 uint32 *rid)
4447 {
4448 struct smbldap_state *smbldap_state = priv->smbldap_state;
4449
4450 LDAPMessage *result = NULL;
4451 LDAPMessage *entry = NULL;
4452 LDAPMod **mods = NULL;
4453 NTSTATUS status;
4454 char *value;
4455 int rc;
4456 uint32 nextRid = 0;
4457 const char *dn;
4458
4459 TALLOC_CTX *mem_ctx;
4460
4461 mem_ctx = talloc_new(NULL);
4462 if (mem_ctx == NULL) {
4463 DEBUG(0, ("talloc_new failed\n"));
4464 return NT_STATUS_NO_MEMORY;
4465 }
4466
4467 status = smbldap_search_domain_info(smbldap_state, &result,
4468 get_global_sam_name(), False);
4469 if (!NT_STATUS_IS_OK(status)) {
4470 DEBUG(3, ("Could not get domain info: %s\n",
4471 nt_errstr(status)));
4472 goto done;
4473 }
4474
4475 talloc_autofree_ldapmsg(mem_ctx, result);
4476
4477 entry = ldap_first_entry(priv2ld(priv), result);
4478 if (entry == NULL) {
4479 DEBUG(0, ("Could not get domain info entry\n"));
4480 status = NT_STATUS_INTERNAL_DB_CORRUPTION;
4481 goto done;
4482 }
4483
4484 /* Find the largest of the three attributes "sambaNextRid",
4485 "sambaNextGroupRid" and "sambaNextUserRid". I gave up on the
4486 concept of differentiating between user and group rids, and will
4487 use only "sambaNextRid" in the future. But for compatibility
4488 reasons I look if others have chosen different strategies -- VL */
4489
4490 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4491 "sambaNextRid", mem_ctx);
4492 if (value != NULL) {
4493 uint32 tmp = (uint32)strtoul(value, NULL, 10);
4494 nextRid = MAX(nextRid, tmp);
4495 }
4496
4497 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4498 "sambaNextUserRid", mem_ctx);
4499 if (value != NULL) {
4500 uint32 tmp = (uint32)strtoul(value, NULL, 10);
4501 nextRid = MAX(nextRid, tmp);
4502 }
4503
4504 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4505 "sambaNextGroupRid", mem_ctx);
4506 if (value != NULL) {
4507 uint32 tmp = (uint32)strtoul(value, NULL, 10);
4508 nextRid = MAX(nextRid, tmp);
4509 }
4510
4511 if (nextRid == 0) {
4512 nextRid = BASE_RID-1;
4513 }
4514
4515 nextRid += 1;
4516
4517 smbldap_make_mod(priv2ld(priv), entry, &mods, "sambaNextRid",
4518 talloc_asprintf(mem_ctx, "%d", nextRid));
4519 talloc_autofree_ldapmod(mem_ctx, mods);
4520
4521 if ((dn = smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry)) == NULL) {
4522 status = NT_STATUS_NO_MEMORY;
4523 goto done;
4524 }
4525
4526 rc = smbldap_modify(smbldap_state, dn, mods);
4527
4528 /* ACCESS_DENIED is used as a placeholder for "the modify failed,
4529 * please retry" */
4530
4531 status = (rc == LDAP_SUCCESS) ? NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
4532
4533 done:
4534 if (NT_STATUS_IS_OK(status)) {
4535 *rid = nextRid;
4536 }
4537
4538 TALLOC_FREE(mem_ctx);
4539 return status;
4540 }
4541
4542 static NTSTATUS ldapsam_new_rid_internal(struct pdb_methods *methods, uint32 *rid)
4543 {
4544 int i;
4545
4546 for (i=0; i<10; i++) {
4547 NTSTATUS result = ldapsam_get_new_rid(
4548 (struct ldapsam_privates *)methods->private_data, rid);
4549 if (NT_STATUS_IS_OK(result)) {
4550 return result;
4551 }
4552
4553 if (!NT_STATUS_EQUAL(result, NT_STATUS_ACCESS_DENIED)) {
4554 return result;
4555 }
4556
4557 /* The ldap update failed (maybe a race condition), retry */
4558 }
4559
4560 /* Tried 10 times, fail. */
4561 return NT_STATUS_ACCESS_DENIED;
4562 }
4563
4564 static BOOL ldapsam_new_rid(struct pdb_methods *methods, uint32 *rid)
4565 {
4566 NTSTATUS result = ldapsam_new_rid_internal(methods, rid);
4567 return NT_STATUS_IS_OK(result) ? True : False;
4568 }
4569
4570 static BOOL ldapsam_sid_to_id(struct pdb_methods *methods,
4571 const DOM_SID *sid,
4572 union unid_t *id, enum lsa_SidType *type)
4573 {
4574 struct ldapsam_privates *priv =
4575 (struct ldapsam_privates *)methods->private_data;
4576 char *filter;
4577 const char *attrs[] = { "sambaGroupType", "gidNumber", "uidNumber",
4578 NULL };
4579 LDAPMessage *result = NULL;
4580 LDAPMessage *entry = NULL;
4581 BOOL ret = False;
4582 char *value;
4583 int rc;
4584
4585 TALLOC_CTX *mem_ctx;
4586
4587 mem_ctx = talloc_new(NULL);
4588 if (mem_ctx == NULL) {
4589 DEBUG(0, ("talloc_new failed\n"));
4590 return False;
4591 }
4592
4593 filter = talloc_asprintf(mem_ctx,
4594 "(&(sambaSid=%s)"
4595 "(|(objectClass=%s)(objectClass=%s)))",
4596 sid_string_static(sid),
4597 LDAP_OBJ_GROUPMAP, LDAP_OBJ_SAMBASAMACCOUNT);
4598 if (filter == NULL) {
4599 DEBUG(5, ("talloc_asprintf failed\n"));
4600 goto done;
4601 }
4602
4603 rc = smbldap_search_suffix(priv->smbldap_state, filter,
4604 attrs, &result);
4605 if (rc != LDAP_SUCCESS) {
4606 goto done;
4607 }
4608 talloc_autofree_ldapmsg(mem_ctx, result);
4609
4610 if (ldap_count_entries(priv2ld(priv), result) != 1) {
4611 DEBUG(10, ("Got %d entries, expected one\n",
4612 ldap_count_entries(priv2ld(priv), result)));
4613 goto done;
4614 }
4615
4616 entry = ldap_first_entry(priv2ld(priv), result);
4617
4618 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4619 "sambaGroupType", mem_ctx);
4620
4621 if (value != NULL) {
4622 const char *gid_str;
4623 /* It's a group */
4624
4625 gid_str = smbldap_talloc_single_attribute(
4626 priv2ld(priv), entry, "gidNumber", mem_ctx);
4627 if (gid_str == NULL) {
4628 DEBUG(1, ("%s has sambaGroupType but no gidNumber\n",
4629 smbldap_talloc_dn(mem_ctx, priv2ld(priv),
4630 entry)));
4631 goto done;
4632 }
4633
4634 id->gid = strtoul(gid_str, NULL, 10);
4635 *type = (enum lsa_SidType)strtoul(value, NULL, 10);
4636 ret = True;
4637 goto done;
4638 }
4639
4640 /* It must be a user */
4641
4642 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4643 "uidNumber", mem_ctx);
4644 if (value == NULL) {
4645 DEBUG(1, ("Could not find uidNumber in %s\n",
4646 smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry)));
4647 goto done;
4648 }
4649
4650 id->uid = strtoul(value, NULL, 10);
4651 *type = SID_NAME_USER;
4652
4653 ret = True;
4654 done:
4655 TALLOC_FREE(mem_ctx);
4656 return ret;
4657 }
4658
4659 /*
4660 * The following functions is called only if
4661 * ldapsam:trusted and ldapsam:editposix are
4662 * set to true
4663 */
4664
4665 /*
4666 * ldapsam_create_user creates a new
4667 * posixAccount and sambaSamAccount object
4668 * in the ldap users subtree
4669 *
4670 * The uid is allocated by winbindd.
4671 */
4672
4673 static NTSTATUS ldapsam_create_user(struct pdb_methods *my_methods,
4674 TALLOC_CTX *tmp_ctx, const char *name,
4675 uint32 acb_info, uint32 *rid)
4676 {
4677 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
4678 LDAPMessage *entry = NULL;
4679 LDAPMessage *result = NULL;
4680 uint32 num_result;
4681 BOOL is_machine = False;
4682 BOOL add_posix = False;
4683 LDAPMod **mods = NULL;
4684 struct samu *user;
4685 char *filter;
4686 char *username;
4687 char *homedir;
4688 char *gidstr;
4689 char *uidstr;
4690 char *shell;
4691 const char *dn = NULL;
4692 DOM_SID group_sid;
4693 DOM_SID user_sid;
4694 gid_t gid = -1;
4695 uid_t uid = -1;
4696 NTSTATUS ret;
4697 int rc;
4698
4699 if (((acb_info & ACB_NORMAL) && name[strlen(name)-1] == '$') ||
4700 acb_info & ACB_WSTRUST ||
4701 acb_info & ACB_SVRTRUST ||
4702 acb_info & ACB_DOMTRUST) {
4703 is_machine = True;
4704 }
4705
4706 username = escape_ldap_string_alloc(name);
4707 filter = talloc_asprintf(tmp_ctx, "(&(uid=%s)(objectClass=%s))",
4708 username, LDAP_OBJ_POSIXACCOUNT);
4709 SAFE_FREE(username);
4710
4711 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
4712 if (rc != LDAP_SUCCESS) {
4713 DEBUG(0,("ldapsam_create_user: ldap search failed!\n"));
4714 return NT_STATUS_UNSUCCESSFUL;
4715 }
4716 talloc_autofree_ldapmsg(tmp_ctx, result);
4717
4718 num_result = ldap_count_entries(priv2ld(ldap_state), result);
4719
4720 if (num_result > 1) {
4721 DEBUG (0, ("ldapsam_create_user: More than one user with name [%s] ?!\n", name));
4722 return NT_STATUS_INTERNAL_DB_CORRUPTION;
4723 }
4724
4725 if (num_result == 1) {
4726 char *tmp;
4727 /* check if it is just a posix account.
4728 * or if there is a sid attached to this entry
4729 */
4730
4731 entry = ldap_first_entry(priv2ld(ldap_state), result);
4732 if (!entry) {
4733 return NT_STATUS_UNSUCCESSFUL;
4734 }
4735
4736 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "sambaSID", tmp_ctx);
4737 if (tmp) {
4738 DEBUG (1, ("ldapsam_create_user: The user [%s] already exist!\n", name));
4739 return NT_STATUS_USER_EXISTS;
4740 }
4741
4742 /* it is just a posix account, retrieve the dn for later use */
4743 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
4744 if (!dn) {
4745 DEBUG(0,("ldapsam_create_user: Out of memory!\n"));
4746 return NT_STATUS_NO_MEMORY;
4747 }
4748 }
4749
4750 if (num_result == 0) {
4751 add_posix = True;
4752 }
4753
4754 /* Create the basic samu structure and generate the mods for the ldap commit */
4755 if (!NT_STATUS_IS_OK((ret = ldapsam_new_rid_internal(my_methods, rid)))) {
4756 DEBUG(1, ("ldapsam_create_user: Could not allocate a new RID\n"));
4757 return ret;
4758 }
4759
4760 sid_compose(&user_sid, get_global_sam_sid(), *rid);
4761
4762 user = samu_new(tmp_ctx);
4763 if (!user) {
4764 DEBUG(1,("ldapsam_create_user: Unable to allocate user struct\n"));
4765 return NT_STATUS_NO_MEMORY;
4766 }
4767
4768 if (!pdb_set_username(user, name, PDB_SET)) {
4769 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
4770 return NT_STATUS_UNSUCCESSFUL;
4771 }
4772 if (!pdb_set_domain(user, get_global_sam_name(), PDB_SET)) {
4773 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
4774 return NT_STATUS_UNSUCCESSFUL;
4775 }
4776 if (is_machine) {
4777 if (acb_info & ACB_NORMAL) {
4778 if (!pdb_set_acct_ctrl(user, ACB_WSTRUST, PDB_SET)) {
4779 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
4780 return NT_STATUS_UNSUCCESSFUL;
4781 }
4782 } else {
4783 if (!pdb_set_acct_ctrl(user, acb_info, PDB_SET)) {
4784 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
4785 return NT_STATUS_UNSUCCESSFUL;
4786 }
4787 }
4788 } else {
4789 if (!pdb_set_acct_ctrl(user, ACB_NORMAL | ACB_DISABLED, PDB_SET)) {
4790 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
4791 return NT_STATUS_UNSUCCESSFUL;
4792 }
4793 }
4794
4795 if (!pdb_set_user_sid(user, &user_sid, PDB_SET)) {
4796 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
4797 return NT_STATUS_UNSUCCESSFUL;
4798 }
4799
4800 if (!init_ldap_from_sam(ldap_state, NULL, &mods, user, element_is_set_or_changed)) {
4801 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
4802 return NT_STATUS_UNSUCCESSFUL;
4803 }
4804
4805 if (ldap_state->schema_ver != SCHEMAVER_SAMBASAMACCOUNT) {
4806 DEBUG(1,("ldapsam_create_user: Unsupported schema version\n"));
4807 }
4808 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_SAMBASAMACCOUNT);
4809
4810 if (add_posix) {
4811 char *escape_name;
4812
4813 DEBUG(3,("ldapsam_create_user: Creating new posix user\n"));
4814
4815 /* retrieve the Domain Users group gid */
4816 if (!sid_compose(&group_sid, get_global_sam_sid(), DOMAIN_GROUP_RID_USERS) ||
4817 !sid_to_gid(&group_sid, &gid)) {
4818 DEBUG (0, ("ldapsam_create_user: Unable to get the Domain Users gid: bailing out!\n"));
4819 return NT_STATUS_INVALID_PRIMARY_GROUP;
4820 }
4821
4822 /* lets allocate a new userid for this user */
4823 if (!winbind_allocate_uid(&uid)) {
4824 DEBUG (0, ("ldapsam_create_user: Unable to allocate a new user id: bailing out!\n"));
4825 return NT_STATUS_UNSUCCESSFUL;
4826 }
4827
4828
4829 if (is_machine) {
4830 /* TODO: choose a more appropriate default for machines */
4831 homedir = talloc_sub_specified(tmp_ctx, lp_template_homedir(), "SMB_workstations_home", ldap_state->domain_name, uid, gid);
4832 shell = talloc_strdup(tmp_ctx, "/bin/false");
4833 } else {
4834 homedir = talloc_sub_specified(tmp_ctx, lp_template_homedir(), name, ldap_state->domain_name, uid, gid);
4835 shell = talloc_sub_specified(tmp_ctx, lp_template_shell(), name, ldap_state->domain_name, uid, gid);
4836 }
4837 uidstr = talloc_asprintf(tmp_ctx, "%d", uid);
4838 gidstr = talloc_asprintf(tmp_ctx, "%d", gid);
4839
4840 escape_name = escape_rdn_val_string_alloc(name);
4841 if (!escape_name) {
4842 DEBUG (0, ("ldapsam_create_user: Out of memory!\n"));
4843 return NT_STATUS_NO_MEMORY;
4844 }
4845
4846 if (is_machine) {
4847 dn = talloc_asprintf(tmp_ctx, "uid=%s,%s", escape_name, lp_ldap_machine_suffix ());
4848 } else {
4849 dn = talloc_asprintf(tmp_ctx, "uid=%s,%s", escape_name, lp_ldap_user_suffix ());
4850 }
4851
4852 SAFE_FREE(escape_name);
4853
4854 if (!homedir || !shell || !uidstr || !gidstr || !dn) {
4855 DEBUG (0, ("ldapsam_create_user: Out of memory!\n"));
4856 return NT_STATUS_NO_MEMORY;
4857 }
4858
4859 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_ACCOUNT);
4860 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_POSIXACCOUNT);
4861 smbldap_set_mod(&mods, LDAP_MOD_ADD, "cn", name);
4862 smbldap_set_mod(&mods, LDAP_MOD_ADD, "uidNumber", uidstr);
4863 smbldap_set_mod(&mods, LDAP_MOD_ADD, "gidNumber", gidstr);
4864 smbldap_set_mod(&mods, LDAP_MOD_ADD, "homeDirectory", homedir);
4865 smbldap_set_mod(&mods, LDAP_MOD_ADD, "loginShell", shell);
4866 }
4867
4868 talloc_autofree_ldapmod(tmp_ctx, mods);
4869
4870 if (add_posix) {
4871 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
4872 } else {
4873 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
4874 }
4875
4876 if (rc != LDAP_SUCCESS) {
4877 DEBUG(0,("ldapsam_create_user: failed to create a new user [%s] (dn = %s)\n", name ,dn));
4878 return NT_STATUS_UNSUCCESSFUL;
4879 }
4880
4881 DEBUG(2,("ldapsam_create_user: added account [%s] in the LDAP database\n", name));
4882
4883 flush_pwnam_cache();
4884
4885 return NT_STATUS_OK;
4886 }
4887
4888 static NTSTATUS ldapsam_delete_user(struct pdb_methods *my_methods, TALLOC_CTX *tmp_ctx, struct samu *sam_acct)
4889 {
4890 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
4891 LDAPMessage *result = NULL;
4892 LDAPMessage *entry = NULL;
4893 int num_result;
4894 const char *dn;
4895 char *filter;
4896 int rc;
4897
4898 DEBUG(0,("ldapsam_delete_user: Attempt to delete user [%s]\n", pdb_get_username(sam_acct)));
4899
4900 filter = talloc_asprintf(tmp_ctx,
4901 "(&(uid=%s)"
4902 "(objectClass=%s)"
4903 "(objectClass=%s))",
4904 pdb_get_username(sam_acct),
4905 LDAP_OBJ_POSIXACCOUNT,
4906 LDAP_OBJ_SAMBASAMACCOUNT);
4907 if (filter == NULL) {
4908 return NT_STATUS_NO_MEMORY;
4909 }
4910
4911 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
4912 if (rc != LDAP_SUCCESS) {
4913 DEBUG(0,("ldapsam_delete_user: user search failed!\n"));
4914 return NT_STATUS_UNSUCCESSFUL;
4915 }
4916 talloc_autofree_ldapmsg(tmp_ctx, result);
4917
4918 num_result = ldap_count_entries(priv2ld(ldap_state), result);
4919
4920 if (num_result == 0) {
4921 DEBUG(0,("ldapsam_delete_user: user not found!\n"));
4922 return NT_STATUS_NO_SUCH_USER;
4923 }
4924
4925 if (num_result > 1) {
4926 DEBUG (0, ("ldapsam_delete_user: More than one user with name [%s] ?!\n", pdb_get_username(sam_acct)));
4927 return NT_STATUS_INTERNAL_DB_CORRUPTION;
4928 }
4929
4930 entry = ldap_first_entry(priv2ld(ldap_state), result);
4931 if (!entry) {
4932 return NT_STATUS_UNSUCCESSFUL;
4933 }
4934
4935 /* it is just a posix account, retrieve the dn for later use */
4936 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
4937 if (!dn) {
4938 DEBUG(0,("ldapsam_delete_user: Out of memory!\n"));
4939 return NT_STATUS_NO_MEMORY;
4940 }
4941
4942 rc = smbldap_delete(ldap_state->smbldap_state, dn);
4943 if (rc != LDAP_SUCCESS) {
4944 return NT_STATUS_UNSUCCESSFUL;
4945 }
4946
4947 flush_pwnam_cache();
4948
4949 return NT_STATUS_OK;
4950 }
4951
4952 /*
4953 * ldapsam_create_group creates a new
4954 * posixGroup and sambaGroupMapping object
4955 * in the ldap groups subtree
4956 *
4957 * The gid is allocated by winbindd.
4958 */
4959
4960 static NTSTATUS ldapsam_create_dom_group(struct pdb_methods *my_methods,
4961 TALLOC_CTX *tmp_ctx,
4962 const char *name,
4963 uint32 *rid)
4964 {
4965 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
4966 NTSTATUS ret;
4967 LDAPMessage *entry = NULL;
4968 LDAPMessage *result = NULL;
4969 uint32 num_result;
4970 BOOL is_new_entry = False;
4971 LDAPMod **mods = NULL;
4972 char *filter;
4973 char *groupsidstr;
4974 char *groupname;
4975 char *grouptype;
4976 char *gidstr;
4977 const char *dn = NULL;
4978 DOM_SID group_sid;
4979 gid_t gid = -1;
4980 int rc;
4981
4982 groupname = escape_ldap_string_alloc(name);
4983 filter = talloc_asprintf(tmp_ctx, "(&(cn=%s)(objectClass=%s))",
4984 groupname, LDAP_OBJ_POSIXGROUP);
4985 SAFE_FREE(groupname);
4986
4987 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
4988 if (rc != LDAP_SUCCESS) {
4989 DEBUG(0,("ldapsam_create_group: ldap search failed!\n"));
4990 return NT_STATUS_UNSUCCESSFUL;
4991 }
4992 talloc_autofree_ldapmsg(tmp_ctx, result);
4993
4994 num_result = ldap_count_entries(priv2ld(ldap_state), result);
4995
4996 if (num_result > 1) {
4997 DEBUG (0, ("ldapsam_create_group: There exists more than one group with name [%s]: bailing out!\n", name));
4998 return NT_STATUS_INTERNAL_DB_CORRUPTION;
4999 }
5000
5001 if (num_result == 1) {
5002 char *tmp;
5003 /* check if it is just a posix group.
5004 * or if there is a sid attached to this entry
5005 */
5006
5007 entry = ldap_first_entry(priv2ld(ldap_state), result);
5008 if (!entry) {
5009 return NT_STATUS_UNSUCCESSFUL;
5010 }
5011
5012 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "sambaSID", tmp_ctx);
5013 if (tmp) {
5014 DEBUG (1, ("ldapsam_create_group: The group [%s] already exist!\n", name));
5015 return NT_STATUS_GROUP_EXISTS;
5016 }
5017
5018 /* it is just a posix group, retrieve the gid and the dn for later use */
5019 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5020 if (!tmp) {
5021 DEBUG (1, ("ldapsam_create_group: Couldn't retrieve the gidNumber for [%s]?!?!\n", name));
5022 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5023 }
5024
5025 gid = strtoul(tmp, NULL, 10);
5026
5027 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5028 if (!dn) {
5029 DEBUG(0,("ldapsam_create_group: Out of memory!\n"));
5030 return NT_STATUS_NO_MEMORY;
5031 }
5032 }
5033
5034 if (num_result == 0) {
5035 char *escape_name;
5036
5037 DEBUG(3,("ldapsam_create_user: Creating new posix group\n"));
5038
5039 is_new_entry = True;
5040
5041 /* lets allocate a new groupid for this group */
5042 if (!winbind_allocate_gid(&gid)) {
5043 DEBUG (0, ("ldapsam_create_group: Unable to allocate a new group id: bailing out!\n"));
5044 return NT_STATUS_UNSUCCESSFUL;
5045 }
5046
5047 gidstr = talloc_asprintf(tmp_ctx, "%d", gid);
5048
5049 escape_name = escape_rdn_val_string_alloc(name);
5050 if (!escape_name) {
5051 DEBUG (0, ("ldapsam_create_group: Out of memory!\n"));
5052 return NT_STATUS_NO_MEMORY;
5053 }
5054
5055 dn = talloc_asprintf(tmp_ctx, "cn=%s,%s", escape_name, lp_ldap_group_suffix());
5056
5057 SAFE_FREE(escape_name);
5058
5059 if (!gidstr || !dn) {
5060 DEBUG (0, ("ldapsam_create_group: Out of memory!\n"));
5061 return NT_STATUS_NO_MEMORY;
5062 }
5063
5064 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_POSIXGROUP);
5065 smbldap_set_mod(&mods, LDAP_MOD_ADD, "cn", name);
5066 smbldap_set_mod(&mods, LDAP_MOD_ADD, "gidNumber", gidstr);
5067 }
5068
5069 if (!NT_STATUS_IS_OK((ret = ldapsam_new_rid_internal(my_methods, rid)))) {
5070 DEBUG(1, ("ldapsam_create_group: Could not allocate a new RID\n"));
5071 return ret;
5072 }
5073
5074 sid_compose(&group_sid, get_global_sam_sid(), *rid);
5075
5076 groupsidstr = talloc_strdup(tmp_ctx, sid_string_static(&group_sid));
5077 grouptype = talloc_asprintf(tmp_ctx, "%d", SID_NAME_DOM_GRP);
5078
5079 if (!groupsidstr || !grouptype) {
5080 DEBUG(0,("ldapsam_create_group: Out of memory!\n"));
5081 return NT_STATUS_NO_MEMORY;
5082 }
5083
5084 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_GROUPMAP);
5085 smbldap_set_mod(&mods, LDAP_MOD_ADD, "sambaSid", groupsidstr);
5086 smbldap_set_mod(&mods, LDAP_MOD_ADD, "sambaGroupType", grouptype);
5087 smbldap_set_mod(&mods, LDAP_MOD_ADD, "displayName", name);
5088 talloc_autofree_ldapmod(tmp_ctx, mods);
5089
5090 if (is_new_entry) {
5091 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5092 #if 0
5093 if (rc == LDAP_OBJECT_CLASS_VIOLATION) {
5094 /* This call may fail with rfc2307bis schema */
5095 /* Retry adding a structural class */
5096 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", "????");
5097 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5098 }
5099 #endif
5100 } else {
5101 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5102 }
5103
5104 if (rc != LDAP_SUCCESS) {
5105 DEBUG(0,("ldapsam_create_group: failed to create a new group [%s] (dn = %s)\n", name ,dn));
5106 return NT_STATUS_UNSUCCESSFUL;
5107 }
5108
5109 DEBUG(2,("ldapsam_create_group: added group [%s] in the LDAP database\n", name));
5110
5111 return NT_STATUS_OK;
5112 }
5113
5114 static NTSTATUS ldapsam_delete_dom_group(struct pdb_methods *my_methods, TALLOC_CTX *tmp_ctx, uint32 rid)
5115 {
5116 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5117 LDAPMessage *result = NULL;
5118 LDAPMessage *entry = NULL;
5119 int num_result;
5120 const char *dn;
5121 char *gidstr;
5122 char *filter;
5123 DOM_SID group_sid;
5124 int rc;
5125
5126 /* get the group sid */
5127 sid_compose(&group_sid, get_global_sam_sid(), rid);
5128
5129 filter = talloc_asprintf(tmp_ctx,
5130 "(&(sambaSID=%s)"
5131 "(objectClass=%s)"
5132 "(objectClass=%s))",
5133 sid_string_static(&group_sid),
5134 LDAP_OBJ_POSIXGROUP,
5135 LDAP_OBJ_GROUPMAP);
5136 if (filter == NULL) {
5137 return NT_STATUS_NO_MEMORY;
5138 }
5139
5140 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5141 if (rc != LDAP_SUCCESS) {
5142 DEBUG(1,("ldapsam_delete_dom_group: group search failed!\n"));
5143 return NT_STATUS_UNSUCCESSFUL;
5144 }
5145 talloc_autofree_ldapmsg(tmp_ctx, result);
5146
5147 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5148
5149 if (num_result == 0) {
5150 DEBUG(1,("ldapsam_delete_dom_group: group not found!\n"));
5151 return NT_STATUS_NO_SUCH_GROUP;
5152 }
5153
5154 if (num_result > 1) {
5155 DEBUG (0, ("ldapsam_delete_dom_group: More than one group with the same SID ?!\n"));
5156 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5157 }
5158
5159 entry = ldap_first_entry(priv2ld(ldap_state), result);
5160 if (!entry) {
5161 return NT_STATUS_UNSUCCESSFUL;
5162 }
5163
5164 /* here it is, retrieve the dn for later use */
5165 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5166 if (!dn) {
5167 DEBUG(0,("ldapsam_delete_dom_group: Out of memory!\n"));
5168 return NT_STATUS_NO_MEMORY;
5169 }
5170
5171 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5172 if (!gidstr) {
5173 DEBUG (0, ("ldapsam_delete_dom_group: Unable to find the group's gid!\n"));
5174 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5175 }
5176
5177 /* check no user have this group marked as primary group */
5178 filter = talloc_asprintf(tmp_ctx,
5179 "(&(gidNumber=%s)"
5180 "(objectClass=%s)"
5181 "(objectClass=%s))",
5182 gidstr,
5183 LDAP_OBJ_POSIXACCOUNT,
5184 LDAP_OBJ_SAMBASAMACCOUNT);
5185
5186 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5187 if (rc != LDAP_SUCCESS) {
5188 DEBUG(1,("ldapsam_delete_dom_group: accounts search failed!\n"));
5189 return NT_STATUS_UNSUCCESSFUL;
5190 }
5191 talloc_autofree_ldapmsg(tmp_ctx, result);
5192
5193 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5194
5195 if (num_result != 0) {
5196 DEBUG(3,("ldapsam_delete_dom_group: Can't delete group, it is a primary group for %d users\n", num_result));
5197 return NT_STATUS_MEMBERS_PRIMARY_GROUP;
5198 }
5199
5200 rc = smbldap_delete(ldap_state->smbldap_state, dn);
5201 if (rc != LDAP_SUCCESS) {
5202 return NT_STATUS_UNSUCCESSFUL;
5203 }
5204
5205 return NT_STATUS_OK;
5206 }
5207
5208 static NTSTATUS ldapsam_change_groupmem(struct pdb_methods *my_methods,
5209 TALLOC_CTX *tmp_ctx,
5210 uint32 group_rid,
5211 uint32 member_rid,
5212 int modop)
5213 {
5214 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5215 LDAPMessage *entry = NULL;
5216 LDAPMessage *result = NULL;
5217 uint32 num_result;
5218 LDAPMod **mods = NULL;
5219 char *filter;
5220 char *uidstr;
5221 const char *dn = NULL;
5222 DOM_SID group_sid;
5223 DOM_SID member_sid;
5224 int rc;
5225
5226 switch (modop) {
5227 case LDAP_MOD_ADD:
5228 DEBUG(1,("ldapsam_change_groupmem: add new member(rid=%d) to a domain group(rid=%d)", member_rid, group_rid));
5229 break;
5230 case LDAP_MOD_DELETE:
5231 DEBUG(1,("ldapsam_change_groupmem: delete member(rid=%d) from a domain group(rid=%d)", member_rid, group_rid));
5232 break;
5233 default:
5234 return NT_STATUS_UNSUCCESSFUL;
5235 }
5236
5237 /* get member sid */
5238 sid_compose(&member_sid, get_global_sam_sid(), member_rid);
5239
5240 /* get the group sid */
5241 sid_compose(&group_sid, get_global_sam_sid(), group_rid);
5242
5243 filter = talloc_asprintf(tmp_ctx,
5244 "(&(sambaSID=%s)"
5245 "(objectClass=%s)"
5246 "(objectClass=%s))",
5247 sid_string_static(&member_sid),
5248 LDAP_OBJ_POSIXACCOUNT,
5249 LDAP_OBJ_SAMBASAMACCOUNT);
5250 if (filter == NULL) {
5251 return NT_STATUS_NO_MEMORY;
5252 }
5253
5254 /* get the member uid */
5255 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5256 if (rc != LDAP_SUCCESS) {
5257 DEBUG(1,("ldapsam_change_groupmem: member search failed!\n"));
5258 return NT_STATUS_UNSUCCESSFUL;
5259 }
5260 talloc_autofree_ldapmsg(tmp_ctx, result);
5261
5262 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5263
5264 if (num_result == 0) {
5265 DEBUG(1,("ldapsam_change_groupmem: member not found!\n"));
5266 return NT_STATUS_NO_SUCH_MEMBER;
5267 }
5268
5269 if (num_result > 1) {
5270 DEBUG (0, ("ldapsam_change_groupmem: More than one account with the same SID ?!\n"));
5271 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5272 }
5273
5274 entry = ldap_first_entry(priv2ld(ldap_state), result);
5275 if (!entry) {
5276 return NT_STATUS_UNSUCCESSFUL;
5277 }
5278
5279 if (modop == LDAP_MOD_DELETE) {
5280 /* check if we are trying to remove the member from his primary group */
5281 char *gidstr;
5282 gid_t user_gid, group_gid;
5283
5284 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5285 if (!gidstr) {
5286 DEBUG (0, ("ldapsam_change_groupmem: Unable to find the member's gid!\n"));
5287 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5288 }
5289
5290 user_gid = strtoul(gidstr, NULL, 10);
5291
5292 if (!sid_to_gid(&group_sid, &group_gid)) {
5293 DEBUG (0, ("ldapsam_change_groupmem: Unable to get group gid from SID!\n"));
5294 return NT_STATUS_UNSUCCESSFUL;
5295 }
5296
5297 if (user_gid == group_gid) {
5298 DEBUG (3, ("ldapsam_change_groupmem: can't remove user from it's own primary group!\n"));
5299 return NT_STATUS_MEMBERS_PRIMARY_GROUP;
5300 }
5301 }
5302
5303 /* here it is, retrieve the uid for later use */
5304 uidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "uid", tmp_ctx);
5305 if (!uidstr) {
5306 DEBUG (0, ("ldapsam_change_groupmem: Unable to find the member's name!\n"));
5307 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5308 }
5309
5310 filter = talloc_asprintf(tmp_ctx,
5311 "(&(sambaSID=%s)"
5312 "(objectClass=%s)"
5313 "(objectClass=%s))",
5314 sid_string_static(&group_sid),
5315 LDAP_OBJ_POSIXGROUP,
5316 LDAP_OBJ_GROUPMAP);
5317
5318 /* get the group */
5319 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5320 if (rc != LDAP_SUCCESS) {
5321 DEBUG(1,("ldapsam_change_groupmem: group search failed!\n"));
5322 return NT_STATUS_UNSUCCESSFUL;
5323 }
5324 talloc_autofree_ldapmsg(tmp_ctx, result);
5325
5326 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5327
5328 if (num_result == 0) {
5329 DEBUG(1,("ldapsam_change_groupmem: group not found!\n"));
5330 return NT_STATUS_NO_SUCH_GROUP;
5331 }
5332
5333 if (num_result > 1) {
5334 DEBUG (0, ("ldapsam_change_groupmem: More than one group with the same SID ?!\n"));
5335 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5336 }
5337
5338 entry = ldap_first_entry(priv2ld(ldap_state), result);
5339 if (!entry) {
5340 return NT_STATUS_UNSUCCESSFUL;
5341 }
5342
5343 /* here it is, retrieve the dn for later use */
5344 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5345 if (!dn) {
5346 DEBUG(0,("ldapsam_change_groupmem: Out of memory!\n"));
5347 return NT_STATUS_NO_MEMORY;
5348 }
5349
5350 smbldap_set_mod(&mods, modop, "memberUid", uidstr);
5351
5352 talloc_autofree_ldapmod(tmp_ctx, mods);
5353
5354 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5355 if (rc != LDAP_SUCCESS) {
5356 if (rc == LDAP_TYPE_OR_VALUE_EXISTS && modop == LDAP_MOD_ADD) {
5357 DEBUG(1,("ldapsam_change_groupmem: member is already in group, add failed!\n"));
5358 return NT_STATUS_MEMBER_IN_GROUP;
5359 }
5360 if (rc == LDAP_NO_SUCH_ATTRIBUTE && modop == LDAP_MOD_DELETE) {
5361 DEBUG(1,("ldapsam_change_groupmem: member is not in group, delete failed!\n"));
5362 return NT_STATUS_MEMBER_NOT_IN_GROUP;
5363 }
5364 return NT_STATUS_UNSUCCESSFUL;
5365 }
5366
5367 return NT_STATUS_OK;
5368 }
5369
5370 static NTSTATUS ldapsam_add_groupmem(struct pdb_methods *my_methods,
5371 TALLOC_CTX *tmp_ctx,
5372 uint32 group_rid,
5373 uint32 member_rid)
5374 {
5375 return ldapsam_change_groupmem(my_methods, tmp_ctx, group_rid, member_rid, LDAP_MOD_ADD);
5376 }
5377 static NTSTATUS ldapsam_del_groupmem(struct pdb_methods *my_methods,
5378 TALLOC_CTX *tmp_ctx,
5379 uint32 group_rid,
5380 uint32 member_rid)
5381 {
5382 return ldapsam_change_groupmem(my_methods, tmp_ctx, group_rid, member_rid, LDAP_MOD_DELETE);
5383 }
5384
5385 static NTSTATUS ldapsam_set_primary_group(struct pdb_methods *my_methods,
5386 TALLOC_CTX *mem_ctx,
5387 struct samu *sampass)
5388 {
5389 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5390 LDAPMessage *entry = NULL;
5391 LDAPMessage *result = NULL;
5392 uint32 num_result;
5393 LDAPMod **mods = NULL;
5394 char *filter;
5395 char *escape_username;
5396 char *gidstr;
5397 const char *dn = NULL;
5398 gid_t gid;
5399 int rc;
5400
5401 DEBUG(0,("ldapsam_set_primary_group: Attempt to set primary group for user [%s]\n", pdb_get_username(sampass)));
5402
5403 if (!sid_to_gid(pdb_get_group_sid(sampass), &gid)) {
5404 DEBUG(0,("ldapsam_set_primary_group: failed to retieve gid from user's group SID!\n"));
5405 return NT_STATUS_UNSUCCESSFUL;
5406 }
5407 gidstr = talloc_asprintf(mem_ctx, "%d", gid);
5408 if (!gidstr) {
5409 DEBUG(0,("ldapsam_set_primary_group: Out of Memory!\n"));
5410 return NT_STATUS_NO_MEMORY;
5411 }
5412
5413 escape_username = escape_ldap_string_alloc(pdb_get_username(sampass));
5414 if (escape_username== NULL) {
5415 return NT_STATUS_NO_MEMORY;
5416 }
5417
5418 filter = talloc_asprintf(mem_ctx,
5419 "(&(uid=%s)"
5420 "(objectClass=%s)"
5421 "(objectClass=%s))",
5422 escape_username,
5423 LDAP_OBJ_POSIXACCOUNT,
5424 LDAP_OBJ_SAMBASAMACCOUNT);
5425
5426 SAFE_FREE(escape_username);
5427
5428 if (filter == NULL) {
5429 return NT_STATUS_NO_MEMORY;
5430 }
5431
5432 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5433 if (rc != LDAP_SUCCESS) {
5434 DEBUG(0,("ldapsam_set_primary_group: user search failed!\n"));
5435 return NT_STATUS_UNSUCCESSFUL;
5436 }
5437 talloc_autofree_ldapmsg(mem_ctx, result);
5438
5439 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5440
5441 if (num_result == 0) {
5442 DEBUG(0,("ldapsam_set_primary_group: user not found!\n"));
5443 return NT_STATUS_NO_SUCH_USER;
5444 }
5445
5446 if (num_result > 1) {
5447 DEBUG (0, ("ldapsam_set_primary_group: More than one user with name [%s] ?!\n", pdb_get_username(sampass)));
5448 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5449 }
5450
5451 entry = ldap_first_entry(priv2ld(ldap_state), result);
5452 if (!entry) {
5453 return NT_STATUS_UNSUCCESSFUL;
5454 }
5455
5456 /* retrieve the dn for later use */
5457 dn = smbldap_talloc_dn(mem_ctx, priv2ld(ldap_state), entry);
5458 if (!dn) {
5459 DEBUG(0,("ldapsam_set_primary_group: Out of memory!\n"));
5460 return NT_STATUS_NO_MEMORY;
5461 }
5462
5463 /* remove the old one, and add the new one, this way we do not risk races */
5464 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "gidNumber", gidstr);
5465
5466 if (mods == NULL) {
5467 return NT_STATUS_OK;
5468 }
5469
5470 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5471
5472 if (rc != LDAP_SUCCESS) {
5473 DEBUG(0,("ldapsam_set_primary_group: failed to modify [%s] primary group to [%s]\n",
5474 pdb_get_username(sampass), gidstr));
5475 return NT_STATUS_UNSUCCESSFUL;
5476 }
5477
5478 flush_pwnam_cache();
5479
5480 return NT_STATUS_OK;
5481 }
5482
5483 /**********************************************************************
5484 Housekeeping
5485 *********************************************************************/
5486
5487 static void free_private_data(void **vp)
5488 {
5489 struct ldapsam_privates **ldap_state = (struct ldapsam_privates **)vp;
5490
5491 smbldap_free_struct(&(*ldap_state)->smbldap_state);
5492
5493 if ((*ldap_state)->result != NULL) {
5494 ldap_msgfree((*ldap_state)->result);
5495 (*ldap_state)->result = NULL;
5496 }
5497 if ((*ldap_state)->domain_dn != NULL) {
5498 SAFE_FREE((*ldap_state)->domain_dn);
5499 }
5500
5501 *ldap_state = NULL;
5502
5503 /* No need to free any further, as it is talloc()ed */
5504 }
5505
5506 /*********************************************************************
5507 Intitalise the parts of the pdb_methods structure that are common to
5508 all pdb_ldap modes
5509 *********************************************************************/
5510
5511 static NTSTATUS pdb_init_ldapsam_common(struct pdb_methods **pdb_method, const char *location)
5512 {
5513 NTSTATUS nt_status;
5514 struct ldapsam_privates *ldap_state;
5515
5516 if (!NT_STATUS_IS_OK(nt_status = make_pdb_method( pdb_method ))) {
5517 return nt_status;
5518 }
5519
5520 (*pdb_method)->name = "ldapsam";
5521
5522 (*pdb_method)->setsampwent = ldapsam_setsampwent;
5523 (*pdb_method)->endsampwent = ldapsam_endsampwent;
5524 (*pdb_method)->getsampwent = ldapsam_getsampwent;
5525 (*pdb_method)->getsampwnam = ldapsam_getsampwnam;
5526 (*pdb_method)->getsampwsid = ldapsam_getsampwsid;
5527 (*pdb_method)->add_sam_account = ldapsam_add_sam_account;
5528 (*pdb_method)->update_sam_account = ldapsam_update_sam_account;
5529 (*pdb_method)->delete_sam_account = ldapsam_delete_sam_account;
5530 (*pdb_method)->rename_sam_account = ldapsam_rename_sam_account;
5531
5532 (*pdb_method)->getgrsid = ldapsam_getgrsid;
5533 (*pdb_method)->getgrgid = ldapsam_getgrgid;
5534 (*pdb_method)->getgrnam = ldapsam_getgrnam;
5535 (*pdb_method)->add_group_mapping_entry = ldapsam_add_group_mapping_entry;
5536 (*pdb_method)->update_group_mapping_entry = ldapsam_update_group_mapping_entry;
5537 (*pdb_method)->delete_group_mapping_entry = ldapsam_delete_group_mapping_entry;
5538 (*pdb_method)->enum_group_mapping = ldapsam_enum_group_mapping;
5539
5540 (*pdb_method)->get_account_policy = ldapsam_get_account_policy;
5541 (*pdb_method)->set_account_policy = ldapsam_set_account_policy;
5542
5543 (*pdb_method)->get_seq_num = ldapsam_get_seq_num;
5544
5545 (*pdb_method)->rid_algorithm = ldapsam_rid_algorithm;
5546 (*pdb_method)->new_rid = ldapsam_new_rid;
5547
5548 /* TODO: Setup private data and free */
5549
5550 if ( !(ldap_state = TALLOC_ZERO_P(*pdb_method, struct ldapsam_privates)) ) {
5551 DEBUG(0, ("pdb_init_ldapsam_common: talloc() failed for ldapsam private_data!\n"));
5552 return NT_STATUS_NO_MEMORY;
5553 }
5554
5555 nt_status = smbldap_init(*pdb_method, location, &ldap_state->smbldap_state);
5556
5557 if ( !NT_STATUS_IS_OK(nt_status) ) {
5558 return nt_status;
5559 }
5560
5561 if ( !(ldap_state->domain_name = talloc_strdup(*pdb_method, get_global_sam_name()) ) ) {
5562 return NT_STATUS_NO_MEMORY;
5563 }
5564
5565 (*pdb_method)->private_data = ldap_state;
5566
5567 (*pdb_method)->free_private_data = free_private_data;
5568
5569 return NT_STATUS_OK;
5570 }
5571
5572 /**********************************************************************
5573 Initialise the 'compat' mode for pdb_ldap
5574 *********************************************************************/
5575
5576 NTSTATUS pdb_init_ldapsam_compat(struct pdb_methods **pdb_method, const char *location)
5577 {
5578 NTSTATUS nt_status;
5579 struct ldapsam_privates *ldap_state;
5580 char *uri = talloc_strdup( NULL, location );
5581
5582 trim_char( uri, '\"', '\"' );
5583 nt_status = pdb_init_ldapsam_common( pdb_method, uri );
5584 if ( uri )
5585 TALLOC_FREE( uri );
5586
5587 if ( !NT_STATUS_IS_OK(nt_status) ) {
5588 return nt_status;
5589 }
5590
5591 (*pdb_method)->name = "ldapsam_compat";
5592
5593 ldap_state = (struct ldapsam_privates *)((*pdb_method)->private_data);
5594 ldap_state->schema_ver = SCHEMAVER_SAMBAACCOUNT;
5595
5596 sid_copy(&ldap_state->domain_sid, get_global_sam_sid());
5597
5598 return NT_STATUS_OK;
5599 }
5600
5601 /**********************************************************************
5602 Initialise the normal mode for pdb_ldap
5603 *********************************************************************/
5604
5605 NTSTATUS pdb_init_ldapsam(struct pdb_methods **pdb_method, const char *location)
5606 {
5607 NTSTATUS nt_status;
5608 struct ldapsam_privates *ldap_state;
5609 uint32 alg_rid_base;
5610 pstring alg_rid_base_string;
5611 LDAPMessage *result = NULL;
5612 LDAPMessage *entry = NULL;
5613 DOM_SID ldap_domain_sid;
5614 DOM_SID secrets_domain_sid;
5615 pstring domain_sid_string;
5616 char *dn;
5617 char *uri = talloc_strdup( NULL, location );
5618
5619 trim_char( uri, '\"', '\"' );
5620 nt_status = pdb_init_ldapsam_common(pdb_method, uri);
5621 if ( uri )
5622 TALLOC_FREE( uri );
5623
5624 if (!NT_STATUS_IS_OK(nt_status)) {
5625 return nt_status;
5626 }
5627
5628 (*pdb_method)->name = "ldapsam";
5629
5630 (*pdb_method)->add_aliasmem = ldapsam_add_aliasmem;
5631 (*pdb_method)->del_aliasmem = ldapsam_del_aliasmem;
5632 (*pdb_method)->enum_aliasmem = ldapsam_enum_aliasmem;
5633 (*pdb_method)->enum_alias_memberships = ldapsam_alias_memberships;
5634 (*pdb_method)->search_users = ldapsam_search_users;
5635 (*pdb_method)->search_groups = ldapsam_search_groups;
5636 (*pdb_method)->search_aliases = ldapsam_search_aliases;
5637
5638 if (lp_parm_bool(-1, "ldapsam", "trusted", False)) {
5639 (*pdb_method)->enum_group_members = ldapsam_enum_group_members;
5640 (*pdb_method)->enum_group_memberships =
5641 ldapsam_enum_group_memberships;
5642 (*pdb_method)->lookup_rids = ldapsam_lookup_rids;
5643 (*pdb_method)->sid_to_id = ldapsam_sid_to_id;
5644
5645 if (lp_parm_bool(-1, "ldapsam", "editposix", False)) {
5646 (*pdb_method)->create_user = ldapsam_create_user;
5647 (*pdb_method)->delete_user = ldapsam_delete_user;
5648 (*pdb_method)->create_dom_group = ldapsam_create_dom_group;
5649 (*pdb_method)->delete_dom_group = ldapsam_delete_dom_group;
5650 (*pdb_method)->add_groupmem = ldapsam_add_groupmem;
5651 (*pdb_method)->del_groupmem = ldapsam_del_groupmem;
5652 (*pdb_method)->set_unix_primary_group = ldapsam_set_primary_group;
5653 }
5654 }
5655
5656 ldap_state = (struct ldapsam_privates *)((*pdb_method)->private_data);
5657 ldap_state->schema_ver = SCHEMAVER_SAMBASAMACCOUNT;
5658
5659 /* Try to setup the Domain Name, Domain SID, algorithmic rid base */
5660
5661 nt_status = smbldap_search_domain_info(ldap_state->smbldap_state,
5662 &result,
5663 ldap_state->domain_name, True);
5664
5665 if ( !NT_STATUS_IS_OK(nt_status) ) {
5666 DEBUG(2, ("pdb_init_ldapsam: WARNING: Could not get domain "
5667 "info, nor add one to the domain\n"));
5668 DEBUGADD(2, ("pdb_init_ldapsam: Continuing on regardless, "
5669 "will be unable to allocate new users/groups, "
5670 "and will risk BDCs having inconsistant SIDs\n"));
5671 sid_copy(&ldap_state->domain_sid, get_global_sam_sid());
5672 return NT_STATUS_OK;
5673 }
5674
5675 /* Given that the above might fail, everything below this must be
5676 * optional */
5677
5678 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
5679 result);
5680 if (!entry) {
5681 DEBUG(0, ("pdb_init_ldapsam: Could not get domain info "
5682 "entry\n"));
5683 ldap_msgfree(result);
5684 return NT_STATUS_UNSUCCESSFUL;
5685 }
5686
5687 dn = smbldap_get_dn(ldap_state->smbldap_state->ldap_struct, entry);
5688 if (!dn) {
5689 ldap_msgfree(result);
5690 return NT_STATUS_UNSUCCESSFUL;
5691 }
5692
5693 ldap_state->domain_dn = smb_xstrdup(dn);
5694 ldap_memfree(dn);
5695
5696 if (smbldap_get_single_pstring(
5697 ldap_state->smbldap_state->ldap_struct,
5698 entry,
5699 get_userattr_key2string(ldap_state->schema_ver,
5700 LDAP_ATTR_USER_SID),
5701 domain_sid_string)) {
5702 BOOL found_sid;
5703 if (!string_to_sid(&ldap_domain_sid, domain_sid_string)) {
5704 DEBUG(1, ("pdb_init_ldapsam: SID [%s] could not be "
5705 "read as a valid SID\n", domain_sid_string));
5706 ldap_msgfree(result);
5707 return NT_STATUS_INVALID_PARAMETER;
5708 }
5709 found_sid = secrets_fetch_domain_sid(ldap_state->domain_name,
5710 &secrets_domain_sid);
5711 if (!found_sid || !sid_equal(&secrets_domain_sid,
5712 &ldap_domain_sid)) {
5713 fstring new_sid_str, old_sid_str;
5714 DEBUG(1, ("pdb_init_ldapsam: Resetting SID for domain "
5715 "%s based on pdb_ldap results %s -> %s\n",
5716 ldap_state->domain_name,
5717 sid_to_string(old_sid_str,
5718 &secrets_domain_sid),
5719 sid_to_string(new_sid_str,
5720 &ldap_domain_sid)));
5721
5722 /* reset secrets.tdb sid */
5723 secrets_store_domain_sid(ldap_state->domain_name,
5724 &ldap_domain_sid);
5725 DEBUG(1, ("New global sam SID: %s\n",
5726 sid_to_string(new_sid_str,
5727 get_global_sam_sid())));
5728 }
5729 sid_copy(&ldap_state->domain_sid, &ldap_domain_sid);
5730 }
5731
5732 if (smbldap_get_single_pstring(
5733 ldap_state->smbldap_state->ldap_struct,
5734 entry,
5735 get_attr_key2string( dominfo_attr_list,
5736 LDAP_ATTR_ALGORITHMIC_RID_BASE ),
5737 alg_rid_base_string)) {
5738 alg_rid_base = (uint32)atol(alg_rid_base_string);
5739 if (alg_rid_base != algorithmic_rid_base()) {
5740 DEBUG(0, ("The value of 'algorithmic RID base' has "
5741 "changed since the LDAP\n"
5742 "database was initialised. Aborting. \n"));
5743 ldap_msgfree(result);
5744 return NT_STATUS_UNSUCCESSFUL;
5745 }
5746 }
5747 ldap_msgfree(result);
5748
5749 return NT_STATUS_OK;
5750 }
5751
5752 NTSTATUS pdb_ldap_init(void)
5753 {
5754 NTSTATUS nt_status;
5755 if (!NT_STATUS_IS_OK(nt_status = smb_register_passdb(PASSDB_INTERFACE_VERSION, "ldapsam", pdb_init_ldapsam)))
5756 return nt_status;
5757
5758 if (!NT_STATUS_IS_OK(nt_status = smb_register_passdb(PASSDB_INTERFACE_VERSION, "ldapsam_compat", pdb_init_ldapsam_compat)))
5759 return nt_status;
5760
5761 /* Let pdb_nds register backends */
5762 pdb_nds_init();
5763
5764 return NT_STATUS_OK;
5765 }
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