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r13776: Merge in the editposix ldapsam optimization
[Samba.git] / source / passdb / pdb_ldap.c
blob0c7efd3fb97deea7b4f71d9777a90f3a4f111831
1 /*
2 Unix SMB/CIFS implementation.
3 LDAP protocol helper functions for SAMBA
4 Copyright (C) Jean François Micouleau 1998
5 Copyright (C) Gerald Carter 2001-2003
6 Copyright (C) Shahms King 2001
7 Copyright (C) Andrew Bartlett 2002-2003
8 Copyright (C) Stefan (metze) Metzmacher 2002-2003
9 Copyright (C) Simo Sorce 2006
10
11 This program is free software; you can redistribute it and/or modify
12 it under the terms of the GNU General Public License as published by
13 the Free Software Foundation; either version 2 of the License, or
14 (at your option) any later version.
15
16 This program is distributed in the hope that it will be useful,
17 but WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 GNU General Public License for more details.
20
21 You should have received a copy of the GNU General Public License
22 along with this program; if not, write to the Free Software
23 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24
25 */
26
27 /* TODO:
28 * persistent connections: if using NSS LDAP, many connections are made
29 * however, using only one within Samba would be nice
30 *
31 * Clean up SSL stuff, compile on OpenLDAP 1.x, 2.x, and Netscape SDK
32 *
33 * Other LDAP based login attributes: accountExpires, etc.
34 * (should be the domain of Samba proper, but the sam_password/struct samu
35 * structures don't have fields for some of these attributes)
36 *
37 * SSL is done, but can't get the certificate based authentication to work
38 * against on my test platform (Linux 2.4, OpenLDAP 2.x)
39 */
40
41 /* NOTE: this will NOT work against an Active Directory server
42 * due to the fact that the two password fields cannot be retrieved
43 * from a server; recommend using security = domain in this situation
44 * and/or winbind
45 */
46
47 #include "includes.h"
48
49 #undef DBGC_CLASS
50 #define DBGC_CLASS DBGC_PASSDB
51
52 #include <lber.h>
53 #include <ldap.h>
54
55 /*
56 * Work around versions of the LDAP client libs that don't have the OIDs
57 * defined, or have them defined under the old name.
58 * This functionality is really a factor of the server, not the client
59 *
60 */
61
62 #if defined(LDAP_EXOP_X_MODIFY_PASSWD) && !defined(LDAP_EXOP_MODIFY_PASSWD)
63 #define LDAP_EXOP_MODIFY_PASSWD LDAP_EXOP_X_MODIFY_PASSWD
64 #elif !defined(LDAP_EXOP_MODIFY_PASSWD)
65 #define LDAP_EXOP_MODIFY_PASSWD "1.3.6.1.4.1.4203.1.11.1"
66 #endif
67
68 #if defined(LDAP_EXOP_X_MODIFY_PASSWD_ID) && !defined(LDAP_EXOP_MODIFY_PASSWD_ID)
69 #define LDAP_TAG_EXOP_MODIFY_PASSWD_ID LDAP_EXOP_X_MODIFY_PASSWD_ID
70 #elif !defined(LDAP_EXOP_MODIFY_PASSWD_ID)
71 #define LDAP_TAG_EXOP_MODIFY_PASSWD_ID ((ber_tag_t) 0x80U)
72 #endif
73
74 #if defined(LDAP_EXOP_X_MODIFY_PASSWD_NEW) && !defined(LDAP_EXOP_MODIFY_PASSWD_NEW)
75 #define LDAP_TAG_EXOP_MODIFY_PASSWD_NEW LDAP_EXOP_X_MODIFY_PASSWD_NEW
76 #elif !defined(LDAP_EXOP_MODIFY_PASSWD_NEW)
77 #define LDAP_TAG_EXOP_MODIFY_PASSWD_NEW ((ber_tag_t) 0x82U)
78 #endif
79
80
81 #include "smbldap.h"
82
83 /**********************************************************************
84 Simple helper function to make stuff better readable
85 **********************************************************************/
86
87 static LDAP *priv2ld(struct ldapsam_privates *priv)
88 {
89 return priv->smbldap_state->ldap_struct;
90 }
91
92 /**********************************************************************
93 Get the attribute name given a user schame version.
94 **********************************************************************/
95
96 static const char* get_userattr_key2string( int schema_ver, int key )
97 {
98 switch ( schema_ver ) {
99 case SCHEMAVER_SAMBAACCOUNT:
100 return get_attr_key2string( attrib_map_v22, key );
101
102 case SCHEMAVER_SAMBASAMACCOUNT:
103 return get_attr_key2string( attrib_map_v30, key );
104
105 default:
106 DEBUG(0,("get_userattr_key2string: unknown schema version specified\n"));
107 break;
108 }
109 return NULL;
110 }
111
112 /**********************************************************************
113 Return the list of attribute names given a user schema version.
114 **********************************************************************/
115
116 const char** get_userattr_list( TALLOC_CTX *mem_ctx, int schema_ver )
117 {
118 switch ( schema_ver ) {
119 case SCHEMAVER_SAMBAACCOUNT:
120 return get_attr_list( mem_ctx, attrib_map_v22 );
121
122 case SCHEMAVER_SAMBASAMACCOUNT:
123 return get_attr_list( mem_ctx, attrib_map_v30 );
124 default:
125 DEBUG(0,("get_userattr_list: unknown schema version specified!\n"));
126 break;
127 }
128
129 return NULL;
130 }
131
132 /**************************************************************************
133 Return the list of attribute names to delete given a user schema version.
134 **************************************************************************/
135
136 static const char** get_userattr_delete_list( TALLOC_CTX *mem_ctx,
137 int schema_ver )
138 {
139 switch ( schema_ver ) {
140 case SCHEMAVER_SAMBAACCOUNT:
141 return get_attr_list( mem_ctx,
142 attrib_map_to_delete_v22 );
143
144 case SCHEMAVER_SAMBASAMACCOUNT:
145 return get_attr_list( mem_ctx,
146 attrib_map_to_delete_v30 );
147 default:
148 DEBUG(0,("get_userattr_delete_list: unknown schema version specified!\n"));
149 break;
150 }
151
152 return NULL;
153 }
154
155
156 /*******************************************************************
157 Generate the LDAP search filter for the objectclass based on the
158 version of the schema we are using.
159 ******************************************************************/
160
161 static const char* get_objclass_filter( int schema_ver )
162 {
163 static fstring objclass_filter;
164
165 switch( schema_ver ) {
166 case SCHEMAVER_SAMBAACCOUNT:
167 fstr_sprintf( objclass_filter, "(objectclass=%s)", LDAP_OBJ_SAMBAACCOUNT );
168 break;
169 case SCHEMAVER_SAMBASAMACCOUNT:
170 fstr_sprintf( objclass_filter, "(objectclass=%s)", LDAP_OBJ_SAMBASAMACCOUNT );
171 break;
172 default:
173 DEBUG(0,("get_objclass_filter: Invalid schema version specified!\n"));
174 break;
175 }
176
177 return objclass_filter;
178 }
179
180 /*****************************************************************
181 Scan a sequence number off OpenLDAP's syncrepl contextCSN
182 ******************************************************************/
183
184 static NTSTATUS ldapsam_get_seq_num(struct pdb_methods *my_methods, time_t *seq_num)
185 {
186 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
187 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
188 LDAPMessage *msg = NULL;
189 LDAPMessage *entry = NULL;
190 TALLOC_CTX *mem_ctx;
191 char **values = NULL;
192 int rc, num_result, num_values, rid;
193 pstring suffix;
194 fstring tok;
195 const char *p;
196 const char **attrs;
197
198 /* Unfortunatly there is no proper way to detect syncrepl-support in
199 * smbldap_connect_system(). The syncrepl OIDs are submitted for publication
200 * but do not show up in the root-DSE yet. Neither we can query the
201 * subschema-context for the syncProviderSubentry or syncConsumerSubentry
202 * objectclass. Currently we require lp_ldap_suffix() to show up as
203 * namingContext. - Guenther
204 */
205
206 if (!lp_parm_bool(-1, "ldapsam", "syncrepl_seqnum", False)) {
207 return ntstatus;
208 }
209
210 if (!seq_num) {
211 DEBUG(3,("ldapsam_get_seq_num: no sequence_number\n"));
212 return ntstatus;
213 }
214
215 if (!smbldap_has_naming_context(ldap_state->smbldap_state, lp_ldap_suffix())) {
216 DEBUG(3,("ldapsam_get_seq_num: DIT not configured to hold %s "
217 "as top-level namingContext\n", lp_ldap_suffix()));
218 return ntstatus;
219 }
220
221 mem_ctx = talloc_init("ldapsam_get_seq_num");
222
223 if (mem_ctx == NULL)
224 return NT_STATUS_NO_MEMORY;
225
226 attrs = TALLOC_ARRAY(mem_ctx, const char *, 2);
227
228 /* if we got a syncrepl-rid (up to three digits long) we speak with a consumer */
229 rid = lp_parm_int(-1, "ldapsam", "syncrepl_rid", -1);
230 if (rid > 0) {
231
232 /* consumer syncreplCookie: */
233 /* csn=20050126161620Z#0000001#00#00000 */
234 attrs[0] = talloc_strdup(mem_ctx, "syncreplCookie");
235 attrs[1] = NULL;
236 pstr_sprintf( suffix, "cn=syncrepl%d,%s", rid, lp_ldap_suffix());
237
238 } else {
239
240 /* provider contextCSN */
241 /* 20050126161620Z#000009#00#000000 */
242 attrs[0] = talloc_strdup(mem_ctx, "contextCSN");
243 attrs[1] = NULL;
244 pstr_sprintf( suffix, "cn=ldapsync,%s", lp_ldap_suffix());
245
246 }
247
248 rc = smbldap_search(ldap_state->smbldap_state, suffix,
249 LDAP_SCOPE_BASE, "(objectclass=*)", attrs, 0, &msg);
250
251 if (rc != LDAP_SUCCESS) {
252 goto done;
253 }
254
255 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg);
256 if (num_result != 1) {
257 DEBUG(3,("ldapsam_get_seq_num: Expected one entry, got %d\n", num_result));
258 goto done;
259 }
260
261 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg);
262 if (entry == NULL) {
263 DEBUG(3,("ldapsam_get_seq_num: Could not retrieve entry\n"));
264 goto done;
265 }
266
267 values = ldap_get_values(ldap_state->smbldap_state->ldap_struct, entry, attrs[0]);
268 if (values == NULL) {
269 DEBUG(3,("ldapsam_get_seq_num: no values\n"));
270 goto done;
271 }
272
273 num_values = ldap_count_values(values);
274 if (num_values == 0) {
275 DEBUG(3,("ldapsam_get_seq_num: not a single value\n"));
276 goto done;
277 }
278
279 p = values[0];
280 if (!next_token(&p, tok, "#", sizeof(tok))) {
281 DEBUG(0,("ldapsam_get_seq_num: failed to parse sequence number\n"));
282 goto done;
283 }
284
285 p = tok;
286 if (!strncmp(p, "csn=", strlen("csn=")))
287 p += strlen("csn=");
288
289 DEBUG(10,("ldapsam_get_seq_num: got %s: %s\n", attrs[0], p));
290
291 *seq_num = generalized_to_unix_time(p);
292
293 /* very basic sanity check */
294 if (*seq_num <= 0) {
295 DEBUG(3,("ldapsam_get_seq_num: invalid sequence number: %d\n",
296 (int)*seq_num));
297 goto done;
298 }
299
300 ntstatus = NT_STATUS_OK;
301
302 done:
303 if (values != NULL)
304 ldap_value_free(values);
305 if (msg != NULL)
306 ldap_msgfree(msg);
307 if (mem_ctx)
308 talloc_destroy(mem_ctx);
309
310 return ntstatus;
311 }
312
313 /*******************************************************************
314 Run the search by name.
315 ******************************************************************/
316
317 int ldapsam_search_suffix_by_name(struct ldapsam_privates *ldap_state,
318 const char *user,
319 LDAPMessage ** result,
320 const char **attr)
321 {
322 pstring filter;
323 char *escape_user = escape_ldap_string_alloc(user);
324
325 if (!escape_user) {
326 return LDAP_NO_MEMORY;
327 }
328
329 /*
330 * in the filter expression, replace %u with the real name
331 * so in ldap filter, %u MUST exist :-)
332 */
333 pstr_sprintf(filter, "(&%s%s)", "(uid=%u)",
334 get_objclass_filter(ldap_state->schema_ver));
335
336 /*
337 * have to use this here because $ is filtered out
338 * in pstring_sub
339 */
340
341
342 all_string_sub(filter, "%u", escape_user, sizeof(pstring));
343 SAFE_FREE(escape_user);
344
345 return smbldap_search_suffix(ldap_state->smbldap_state, filter, attr, result);
346 }
347
348 /*******************************************************************
349 Run the search by rid.
350 ******************************************************************/
351
352 static int ldapsam_search_suffix_by_rid (struct ldapsam_privates *ldap_state,
353 uint32 rid, LDAPMessage ** result,
354 const char **attr)
355 {
356 pstring filter;
357 int rc;
358
359 pstr_sprintf(filter, "(&(rid=%i)%s)", rid,
360 get_objclass_filter(ldap_state->schema_ver));
361
362 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, attr, result);
363
364 return rc;
365 }
366
367 /*******************************************************************
368 Run the search by SID.
369 ******************************************************************/
370
371 static int ldapsam_search_suffix_by_sid (struct ldapsam_privates *ldap_state,
372 const DOM_SID *sid, LDAPMessage ** result,
373 const char **attr)
374 {
375 pstring filter;
376 int rc;
377 fstring sid_string;
378
379 pstr_sprintf(filter, "(&(%s=%s)%s)",
380 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_SID),
381 sid_to_string(sid_string, sid),
382 get_objclass_filter(ldap_state->schema_ver));
383
384 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, attr, result);
385
386 return rc;
387 }
388
389 /*******************************************************************
390 Delete complete object or objectclass and attrs from
391 object found in search_result depending on lp_ldap_delete_dn
392 ******************************************************************/
393
394 static int ldapsam_delete_entry(struct ldapsam_privates *priv,
395 TALLOC_CTX *mem_ctx,
396 LDAPMessage *entry,
397 const char *objectclass,
398 const char **attrs)
399 {
400 LDAPMod **mods = NULL;
401 char *name;
402 const char *dn;
403 BerElement *ptr = NULL;
404
405 dn = smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry);
406 if (dn == NULL) {
407 return LDAP_NO_MEMORY;
408 }
409
410 if (lp_ldap_delete_dn()) {
411 return smbldap_delete(priv->smbldap_state, dn);
412 }
413
414 /* Ok, delete only the SAM attributes */
415
416 for (name = ldap_first_attribute(priv2ld(priv), entry, &ptr);
417 name != NULL;
418 name = ldap_next_attribute(priv2ld(priv), entry, ptr)) {
419 const char **attrib;
420
421 /* We are only allowed to delete the attributes that
422 really exist. */
423
424 for (attrib = attrs; *attrib != NULL; attrib++) {
425 if (strequal(*attrib, name)) {
426 DEBUG(10, ("ldapsam_delete_entry: deleting "
427 "attribute %s\n", name));
428 smbldap_set_mod(&mods, LDAP_MOD_DELETE, name,
429 NULL);
430 }
431 }
432 ldap_memfree(name);
433 }
434
435 if (ptr != NULL) {
436 ber_free(ptr, 0);
437 }
438
439 smbldap_set_mod(&mods, LDAP_MOD_DELETE, "objectClass", objectclass);
440 talloc_autofree_ldapmod(mem_ctx, mods);
441
442 return smbldap_modify(priv->smbldap_state, dn, mods);
443 }
444
445 static time_t ldapsam_get_entry_timestamp( struct ldapsam_privates *ldap_state, LDAPMessage * entry)
446 {
447 pstring temp;
448 struct tm tm;
449
450 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
451 get_userattr_key2string(ldap_state->schema_ver,LDAP_ATTR_MOD_TIMESTAMP),
452 temp))
453 return (time_t) 0;
454
455 strptime(temp, "%Y%m%d%H%M%SZ", &tm);
456 tzset();
457 return timegm(&tm);
458 }
459
460 /**********************************************************************
461 Initialize struct samu from an LDAP query.
462 (Based on init_sam_from_buffer in pdb_tdb.c)
463 *********************************************************************/
464
465 static BOOL init_sam_from_ldap(struct ldapsam_privates *ldap_state,
466 struct samu * sampass,
467 LDAPMessage * entry)
468 {
469 time_t logon_time,
470 logoff_time,
471 kickoff_time,
472 pass_last_set_time,
473 pass_can_change_time,
474 pass_must_change_time,
475 ldap_entry_time,
476 bad_password_time;
477 pstring username,
478 domain,
479 nt_username,
480 fullname,
481 homedir,
482 dir_drive,
483 logon_script,
484 profile_path,
485 acct_desc,
486 workstations;
487 char munged_dial[2048];
488 uint32 user_rid;
489 uint8 smblmpwd[LM_HASH_LEN],
490 smbntpwd[NT_HASH_LEN];
491 BOOL use_samba_attrs = True;
492 uint32 acct_ctrl = 0;
493 uint16 logon_divs;
494 uint16 bad_password_count = 0,
495 logon_count = 0;
496 uint32 hours_len;
497 uint8 hours[MAX_HOURS_LEN];
498 pstring temp;
499 LOGIN_CACHE *cache_entry = NULL;
500 uint32 pwHistLen;
501 pstring tmpstring;
502 BOOL expand_explicit = lp_passdb_expand_explicit();
503
504 /*
505 * do a little initialization
506 */
507 username[0] = '\0';
508 domain[0] = '\0';
509 nt_username[0] = '\0';
510 fullname[0] = '\0';
511 homedir[0] = '\0';
512 dir_drive[0] = '\0';
513 logon_script[0] = '\0';
514 profile_path[0] = '\0';
515 acct_desc[0] = '\0';
516 munged_dial[0] = '\0';
517 workstations[0] = '\0';
518
519
520 if (sampass == NULL || ldap_state == NULL || entry == NULL) {
521 DEBUG(0, ("init_sam_from_ldap: NULL parameters found!\n"));
522 return False;
523 }
524
525 if (priv2ld(ldap_state) == NULL) {
526 DEBUG(0, ("init_sam_from_ldap: ldap_state->smbldap_state->"
527 "ldap_struct is NULL!\n"));
528 return False;
529 }
530
531 if (!smbldap_get_single_pstring(priv2ld(ldap_state), entry, "uid",
532 username)) {
533 DEBUG(1, ("init_sam_from_ldap: No uid attribute found for "
534 "this user!\n"));
535 return False;
536 }
537
538 DEBUG(2, ("init_sam_from_ldap: Entry found for user: %s\n", username));
539
540 pstrcpy(nt_username, username);
541
542 pstrcpy(domain, ldap_state->domain_name);
543
544 pdb_set_username(sampass, username, PDB_SET);
545
546 pdb_set_domain(sampass, domain, PDB_DEFAULT);
547 pdb_set_nt_username(sampass, nt_username, PDB_SET);
548
549 /* deal with different attributes between the schema first */
550
551 if ( ldap_state->schema_ver == SCHEMAVER_SAMBASAMACCOUNT ) {
552 if (smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
553 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_SID), temp)) {
554 pdb_set_user_sid_from_string(sampass, temp, PDB_SET);
555 }
556 } else {
557 if (smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
558 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_RID), temp)) {
559 user_rid = (uint32)atol(temp);
560 pdb_set_user_sid_from_rid(sampass, user_rid, PDB_SET);
561 }
562 }
563
564 if (pdb_get_init_flags(sampass,PDB_USERSID) == PDB_DEFAULT) {
565 DEBUG(1, ("init_sam_from_ldap: no %s or %s attribute found for this user %s\n",
566 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_SID),
567 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_RID),
568 username));
569 return False;
570 }
571
572 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
573 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_LAST_SET), temp)) {
574 /* leave as default */
575 } else {
576 pass_last_set_time = (time_t) atol(temp);
577 pdb_set_pass_last_set_time(sampass, pass_last_set_time, PDB_SET);
578 }
579
580 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
581 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_TIME), temp)) {
582 /* leave as default */
583 } else {
584 logon_time = (time_t) atol(temp);
585 pdb_set_logon_time(sampass, logon_time, PDB_SET);
586 }
587
588 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
589 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGOFF_TIME), temp)) {
590 /* leave as default */
591 } else {
592 logoff_time = (time_t) atol(temp);
593 pdb_set_logoff_time(sampass, logoff_time, PDB_SET);
594 }
595
596 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
597 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_KICKOFF_TIME), temp)) {
598 /* leave as default */
599 } else {
600 kickoff_time = (time_t) atol(temp);
601 pdb_set_kickoff_time(sampass, kickoff_time, PDB_SET);
602 }
603
604 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
605 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_CAN_CHANGE), temp)) {
606 /* leave as default */
607 } else {
608 pass_can_change_time = (time_t) atol(temp);
609 pdb_set_pass_can_change_time(sampass, pass_can_change_time, PDB_SET);
610 }
611
612 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
613 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_MUST_CHANGE), temp)) {
614 /* leave as default */
615 } else {
616 pass_must_change_time = (time_t) atol(temp);
617 pdb_set_pass_must_change_time(sampass, pass_must_change_time, PDB_SET);
618 }
619
620 /* recommend that 'gecos' and 'displayName' should refer to the same
621 * attribute OID. userFullName depreciated, only used by Samba
622 * primary rules of LDAP: don't make a new attribute when one is already defined
623 * that fits your needs; using cn then displayName rather than 'userFullName'
624 */
625
626 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
627 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DISPLAY_NAME), fullname)) {
628 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
629 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_CN), fullname)) {
630 /* leave as default */
631 } else {
632 pdb_set_fullname(sampass, fullname, PDB_SET);
633 }
634 } else {
635 pdb_set_fullname(sampass, fullname, PDB_SET);
636 }
637
638 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
639 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_DRIVE), dir_drive))
640 {
641 pdb_set_dir_drive( sampass, lp_logon_drive(), PDB_DEFAULT );
642 } else {
643 pdb_set_dir_drive(sampass, dir_drive, PDB_SET);
644 }
645
646 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
647 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_PATH), homedir))
648 {
649 pdb_set_homedir( sampass,
650 talloc_sub_basic(sampass, username, lp_logon_home()),
651 PDB_DEFAULT );
652 } else {
653 pstrcpy( tmpstring, homedir );
654 if (expand_explicit) {
655 standard_sub_basic( username, tmpstring,
656 sizeof(tmpstring) );
657 }
658 pdb_set_homedir(sampass, tmpstring, PDB_SET);
659 }
660
661 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
662 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_SCRIPT), logon_script))
663 {
664 pdb_set_logon_script( sampass,
665 talloc_sub_basic(sampass, username, lp_logon_script()),
666 PDB_DEFAULT );
667 } else {
668 pstrcpy( tmpstring, logon_script );
669 if (expand_explicit) {
670 standard_sub_basic( username, tmpstring,
671 sizeof(tmpstring) );
672 }
673 pdb_set_logon_script(sampass, tmpstring, PDB_SET);
674 }
675
676 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
677 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PROFILE_PATH), profile_path))
678 {
679 pdb_set_profile_path( sampass,
680 talloc_sub_basic( sampass, username, lp_logon_path()),
681 PDB_DEFAULT );
682 } else {
683 pstrcpy( tmpstring, profile_path );
684 if (expand_explicit) {
685 standard_sub_basic( username, tmpstring,
686 sizeof(tmpstring) );
687 }
688 pdb_set_profile_path(sampass, tmpstring, PDB_SET);
689 }
690
691 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
692 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DESC), acct_desc))
693 {
694 /* leave as default */
695 } else {
696 pdb_set_acct_desc(sampass, acct_desc, PDB_SET);
697 }
698
699 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
700 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_WKS), workstations)) {
701 /* leave as default */;
702 } else {
703 pdb_set_workstations(sampass, workstations, PDB_SET);
704 }
705
706 if (!smbldap_get_single_attribute(ldap_state->smbldap_state->ldap_struct, entry,
707 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_MUNGED_DIAL), munged_dial, sizeof(munged_dial))) {
708 /* leave as default */;
709 } else {
710 pdb_set_munged_dial(sampass, munged_dial, PDB_SET);
711 }
712
713 /* FIXME: hours stuff should be cleaner */
714
715 logon_divs = 168;
716 hours_len = 21;
717 memset(hours, 0xff, hours_len);
718
719 if (ldap_state->is_nds_ldap) {
720 char *user_dn;
721 size_t pwd_len;
722 char clear_text_pw[512];
723
724 /* Make call to Novell eDirectory ldap extension to get clear text password.
725 NOTE: This will only work if we have an SSL connection to eDirectory. */
726 user_dn = smbldap_get_dn(ldap_state->smbldap_state->ldap_struct, entry);
727 if (user_dn != NULL) {
728 DEBUG(3, ("init_sam_from_ldap: smbldap_get_dn(%s) returned '%s'\n", username, user_dn));
729
730 pwd_len = sizeof(clear_text_pw);
731 if (pdb_nds_get_password(ldap_state->smbldap_state, user_dn, &pwd_len, clear_text_pw) == LDAP_SUCCESS) {
732 nt_lm_owf_gen(clear_text_pw, smbntpwd, smblmpwd);
733 if (!pdb_set_lanman_passwd(sampass, smblmpwd, PDB_SET))
734 return False;
735 ZERO_STRUCT(smblmpwd);
736 if (!pdb_set_nt_passwd(sampass, smbntpwd, PDB_SET))
737 return False;
738 ZERO_STRUCT(smbntpwd);
739 use_samba_attrs = False;
740 }
741 } else {
742 DEBUG(0, ("init_sam_from_ldap: failed to get user_dn for '%s'\n", username));
743 }
744 }
745
746 if (use_samba_attrs) {
747 if (!smbldap_get_single_pstring (ldap_state->smbldap_state->ldap_struct, entry,
748 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LMPW), temp)) {
749 /* leave as default */
750 } else {
751 pdb_gethexpwd(temp, smblmpwd);
752 memset((char *)temp, '\0', strlen(temp)+1);
753 if (!pdb_set_lanman_passwd(sampass, smblmpwd, PDB_SET))
754 return False;
755 ZERO_STRUCT(smblmpwd);
756 }
757
758 if (!smbldap_get_single_pstring (ldap_state->smbldap_state->ldap_struct, entry,
759 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_NTPW), temp)) {
760 /* leave as default */
761 } else {
762 pdb_gethexpwd(temp, smbntpwd);
763 memset((char *)temp, '\0', strlen(temp)+1);
764 if (!pdb_set_nt_passwd(sampass, smbntpwd, PDB_SET))
765 return False;
766 ZERO_STRUCT(smbntpwd);
767 }
768 }
769
770 pwHistLen = 0;
771
772 pdb_get_account_policy(AP_PASSWORD_HISTORY, &pwHistLen);
773 if (pwHistLen > 0){
774 uint8 *pwhist = NULL;
775 int i;
776
777 /* We can only store (sizeof(pstring)-1)/64 password history entries. */
778 pwHistLen = MIN(pwHistLen, ((sizeof(temp)-1)/64));
779
780 if ((pwhist = SMB_MALLOC(pwHistLen * PW_HISTORY_ENTRY_LEN)) == NULL){
781 DEBUG(0, ("init_sam_from_ldap: malloc failed!\n"));
782 return False;
783 }
784 memset(pwhist, '\0', pwHistLen * PW_HISTORY_ENTRY_LEN);
785
786 if (!smbldap_get_single_pstring (ldap_state->smbldap_state->ldap_struct, entry,
787 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_HISTORY), temp)) {
788 /* leave as default - zeros */
789 } else {
790 BOOL hex_failed = False;
791 for (i = 0; i < pwHistLen; i++){
792 /* Get the 16 byte salt. */
793 if (!pdb_gethexpwd(&temp[i*64], &pwhist[i*PW_HISTORY_ENTRY_LEN])) {
794 hex_failed = True;
795 break;
796 }
797 /* Get the 16 byte MD5 hash of salt+passwd. */
798 if (!pdb_gethexpwd(&temp[(i*64)+32],
799 &pwhist[(i*PW_HISTORY_ENTRY_LEN)+PW_HISTORY_SALT_LEN])) {
800 hex_failed = True;
801 break;
802 }
803 }
804 if (hex_failed) {
805 DEBUG(0,("init_sam_from_ldap: Failed to get password history for user %s\n",
806 username));
807 memset(pwhist, '\0', pwHistLen * PW_HISTORY_ENTRY_LEN);
808 }
809 }
810 if (!pdb_set_pw_history(sampass, pwhist, pwHistLen, PDB_SET)){
811 SAFE_FREE(pwhist);
812 return False;
813 }
814 SAFE_FREE(pwhist);
815 }
816
817 if (!smbldap_get_single_pstring (ldap_state->smbldap_state->ldap_struct, entry,
818 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_ACB_INFO), temp)) {
819 acct_ctrl |= ACB_NORMAL;
820 } else {
821 acct_ctrl = pdb_decode_acct_ctrl(temp);
822
823 if (acct_ctrl == 0)
824 acct_ctrl |= ACB_NORMAL;
825
826 pdb_set_acct_ctrl(sampass, acct_ctrl, PDB_SET);
827 }
828
829 pdb_set_hours_len(sampass, hours_len, PDB_SET);
830 pdb_set_logon_divs(sampass, logon_divs, PDB_SET);
831
832 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
833 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_BAD_PASSWORD_COUNT), temp)) {
834 /* leave as default */
835 } else {
836 bad_password_count = (uint32) atol(temp);
837 pdb_set_bad_password_count(sampass, bad_password_count, PDB_SET);
838 }
839
840 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
841 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_BAD_PASSWORD_TIME), temp)) {
842 /* leave as default */
843 } else {
844 bad_password_time = (time_t) atol(temp);
845 pdb_set_bad_password_time(sampass, bad_password_time, PDB_SET);
846 }
847
848
849 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
850 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_COUNT), temp)) {
851 /* leave as default */
852 } else {
853 logon_count = (uint32) atol(temp);
854 pdb_set_logon_count(sampass, logon_count, PDB_SET);
855 }
856
857 /* pdb_set_unknown_6(sampass, unknown6, PDB_SET); */
858
859 if(!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
860 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_HOURS), temp)) {
861 /* leave as default */
862 } else {
863 pdb_gethexhours(temp, hours);
864 memset((char *)temp, '\0', strlen(temp) +1);
865 pdb_set_hours(sampass, hours, PDB_SET);
866 ZERO_STRUCT(hours);
867 }
868
869 if (lp_parm_bool(-1, "ldapsam", "trusted", False)) {
870 if (smbldap_get_single_pstring(priv2ld(ldap_state), entry,
871 "uidNumber", temp)) {
872 /* We've got a uid, feed the cache */
873 uid_t uid = strtoul(temp, NULL, 10);
874 store_uid_sid_cache(pdb_get_user_sid(sampass), uid);
875 }
876 }
877
878 /* check the timestamp of the cache vs ldap entry */
879 if (!(ldap_entry_time = ldapsam_get_entry_timestamp(ldap_state,
880 entry)))
881 return True;
882
883 /* see if we have newer updates */
884 if (!(cache_entry = login_cache_read(sampass))) {
885 DEBUG (9, ("No cache entry, bad count = %u, bad time = %u\n",
886 (unsigned int)pdb_get_bad_password_count(sampass),
887 (unsigned int)pdb_get_bad_password_time(sampass)));
888 return True;
889 }
890
891 DEBUG(7, ("ldap time is %u, cache time is %u, bad time = %u\n",
892 (unsigned int)ldap_entry_time, (unsigned int)cache_entry->entry_timestamp,
893 (unsigned int)cache_entry->bad_password_time));
894
895 if (ldap_entry_time > cache_entry->entry_timestamp) {
896 /* cache is older than directory , so
897 we need to delete the entry but allow the
898 fields to be written out */
899 login_cache_delentry(sampass);
900 } else {
901 /* read cache in */
902 pdb_set_acct_ctrl(sampass,
903 pdb_get_acct_ctrl(sampass) |
904 (cache_entry->acct_ctrl & ACB_AUTOLOCK),
905 PDB_SET);
906 pdb_set_bad_password_count(sampass,
907 cache_entry->bad_password_count,
908 PDB_SET);
909 pdb_set_bad_password_time(sampass,
910 cache_entry->bad_password_time,
911 PDB_SET);
912 }
913
914 SAFE_FREE(cache_entry);
915 return True;
916 }
917
918 /**********************************************************************
919 Initialize the ldap db from a struct samu. Called on update.
920 (Based on init_buffer_from_sam in pdb_tdb.c)
921 *********************************************************************/
922
923 static BOOL init_ldap_from_sam (struct ldapsam_privates *ldap_state,
924 LDAPMessage *existing,
925 LDAPMod *** mods, struct samu * sampass,
926 BOOL (*need_update)(const struct samu *,
927 enum pdb_elements))
928 {
929 pstring temp;
930 uint32 rid;
931
932 if (mods == NULL || sampass == NULL) {
933 DEBUG(0, ("init_ldap_from_sam: NULL parameters found!\n"));
934 return False;
935 }
936
937 *mods = NULL;
938
939 /*
940 * took out adding "objectclass: sambaAccount"
941 * do this on a per-mod basis
942 */
943 if (need_update(sampass, PDB_USERNAME))
944 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
945 "uid", pdb_get_username(sampass));
946
947 DEBUG(2, ("init_ldap_from_sam: Setting entry for user: %s\n", pdb_get_username(sampass)));
948
949 /* only update the RID if we actually need to */
950 if (need_update(sampass, PDB_USERSID)) {
951 fstring sid_string;
952 fstring dom_sid_string;
953 const DOM_SID *user_sid = pdb_get_user_sid(sampass);
954
955 switch ( ldap_state->schema_ver ) {
956 case SCHEMAVER_SAMBAACCOUNT:
957 if (!sid_peek_check_rid(&ldap_state->domain_sid, user_sid, &rid)) {
958 DEBUG(1, ("init_ldap_from_sam: User's SID (%s) is not for this domain (%s), cannot add to LDAP!\n",
959 sid_to_string(sid_string, user_sid),
960 sid_to_string(dom_sid_string, &ldap_state->domain_sid)));
961 return False;
962 }
963 slprintf(temp, sizeof(temp) - 1, "%i", rid);
964 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
965 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_RID),
966 temp);
967 break;
968
969 case SCHEMAVER_SAMBASAMACCOUNT:
970 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
971 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_SID),
972 sid_to_string(sid_string, user_sid));
973 break;
974
975 default:
976 DEBUG(0,("init_ldap_from_sam: unknown schema version specified\n"));
977 break;
978 }
979 }
980
981 /* we don't need to store the primary group RID - so leaving it
982 'free' to hang off the unix primary group makes life easier */
983
984 if (need_update(sampass, PDB_GROUPSID)) {
985 fstring sid_string;
986 fstring dom_sid_string;
987 const DOM_SID *group_sid = pdb_get_group_sid(sampass);
988
989 switch ( ldap_state->schema_ver ) {
990 case SCHEMAVER_SAMBAACCOUNT:
991 if (!sid_peek_check_rid(&ldap_state->domain_sid, group_sid, &rid)) {
992 DEBUG(1, ("init_ldap_from_sam: User's Primary Group SID (%s) is not for this domain (%s), cannot add to LDAP!\n",
993 sid_to_string(sid_string, group_sid),
994 sid_to_string(dom_sid_string, &ldap_state->domain_sid)));
995 return False;
996 }
997
998 slprintf(temp, sizeof(temp) - 1, "%i", rid);
999 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1000 get_userattr_key2string(ldap_state->schema_ver,
1001 LDAP_ATTR_PRIMARY_GROUP_RID), temp);
1002 break;
1003
1004 case SCHEMAVER_SAMBASAMACCOUNT:
1005 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1006 get_userattr_key2string(ldap_state->schema_ver,
1007 LDAP_ATTR_PRIMARY_GROUP_SID), sid_to_string(sid_string, group_sid));
1008 break;
1009
1010 default:
1011 DEBUG(0,("init_ldap_from_sam: unknown schema version specified\n"));
1012 break;
1013 }
1014
1015 }
1016
1017 /* displayName, cn, and gecos should all be the same
1018 * most easily accomplished by giving them the same OID
1019 * gecos isn't set here b/c it should be handled by the
1020 * add-user script
1021 * We change displayName only and fall back to cn if
1022 * it does not exist.
1023 */
1024
1025 if (need_update(sampass, PDB_FULLNAME))
1026 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1027 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DISPLAY_NAME),
1028 pdb_get_fullname(sampass));
1029
1030 if (need_update(sampass, PDB_ACCTDESC))
1031 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1032 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DESC),
1033 pdb_get_acct_desc(sampass));
1034
1035 if (need_update(sampass, PDB_WORKSTATIONS))
1036 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1037 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_WKS),
1038 pdb_get_workstations(sampass));
1039
1040 if (need_update(sampass, PDB_MUNGEDDIAL))
1041 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1042 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_MUNGED_DIAL),
1043 pdb_get_munged_dial(sampass));
1044
1045 if (need_update(sampass, PDB_SMBHOME))
1046 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1047 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_PATH),
1048 pdb_get_homedir(sampass));
1049
1050 if (need_update(sampass, PDB_DRIVE))
1051 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1052 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_DRIVE),
1053 pdb_get_dir_drive(sampass));
1054
1055 if (need_update(sampass, PDB_LOGONSCRIPT))
1056 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1057 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_SCRIPT),
1058 pdb_get_logon_script(sampass));
1059
1060 if (need_update(sampass, PDB_PROFILE))
1061 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1062 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PROFILE_PATH),
1063 pdb_get_profile_path(sampass));
1064
1065 slprintf(temp, sizeof(temp) - 1, "%li", pdb_get_logon_time(sampass));
1066 if (need_update(sampass, PDB_LOGONTIME))
1067 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1068 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_TIME), temp);
1069
1070 slprintf(temp, sizeof(temp) - 1, "%li", pdb_get_logoff_time(sampass));
1071 if (need_update(sampass, PDB_LOGOFFTIME))
1072 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1073 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGOFF_TIME), temp);
1074
1075 slprintf (temp, sizeof (temp) - 1, "%li", pdb_get_kickoff_time(sampass));
1076 if (need_update(sampass, PDB_KICKOFFTIME))
1077 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1078 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_KICKOFF_TIME), temp);
1079
1080 slprintf (temp, sizeof (temp) - 1, "%li", pdb_get_pass_can_change_time(sampass));
1081 if (need_update(sampass, PDB_CANCHANGETIME))
1082 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1083 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_CAN_CHANGE), temp);
1084
1085 slprintf (temp, sizeof (temp) - 1, "%li", pdb_get_pass_must_change_time(sampass));
1086 if (need_update(sampass, PDB_MUSTCHANGETIME))
1087 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1088 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_MUST_CHANGE), temp);
1089
1090
1091 if ((pdb_get_acct_ctrl(sampass)&(ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST))
1092 || (lp_ldap_passwd_sync()!=LDAP_PASSWD_SYNC_ONLY)) {
1093
1094 if (need_update(sampass, PDB_LMPASSWD)) {
1095 const uchar *lm_pw = pdb_get_lanman_passwd(sampass);
1096 if (lm_pw) {
1097 pdb_sethexpwd(temp, lm_pw,
1098 pdb_get_acct_ctrl(sampass));
1099 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1100 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LMPW),
1101 temp);
1102 } else {
1103 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1104 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LMPW),
1105 NULL);
1106 }
1107 }
1108 if (need_update(sampass, PDB_NTPASSWD)) {
1109 const uchar *nt_pw = pdb_get_nt_passwd(sampass);
1110 if (nt_pw) {
1111 pdb_sethexpwd(temp, nt_pw,
1112 pdb_get_acct_ctrl(sampass));
1113 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1114 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_NTPW),
1115 temp);
1116 } else {
1117 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1118 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_NTPW),
1119 NULL);
1120 }
1121 }
1122
1123 if (need_update(sampass, PDB_PWHISTORY)) {
1124 uint32 pwHistLen = 0;
1125 pdb_get_account_policy(AP_PASSWORD_HISTORY, &pwHistLen);
1126 if (pwHistLen == 0) {
1127 /* Remove any password history from the LDAP store. */
1128 memset(temp, '0', 64); /* NOTE !!!! '0' *NOT '\0' */
1129 temp[64] = '\0';
1130 } else {
1131 int i;
1132 uint32 currHistLen = 0;
1133 const uint8 *pwhist = pdb_get_pw_history(sampass, &currHistLen);
1134 if (pwhist != NULL) {
1135 /* We can only store (sizeof(pstring)-1)/64 password history entries. */
1136 pwHistLen = MIN(pwHistLen, ((sizeof(temp)-1)/64));
1137 for (i=0; i< pwHistLen && i < currHistLen; i++) {
1138 /* Store the salt. */
1139 pdb_sethexpwd(&temp[i*64], &pwhist[i*PW_HISTORY_ENTRY_LEN], 0);
1140 /* Followed by the md5 hash of salt + md4 hash */
1141 pdb_sethexpwd(&temp[(i*64)+32],
1142 &pwhist[(i*PW_HISTORY_ENTRY_LEN)+PW_HISTORY_SALT_LEN], 0);
1143 DEBUG(100, ("temp=%s\n", temp));
1144 }
1145 }
1146 }
1147 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1148 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_HISTORY),
1149 temp);
1150 }
1151
1152 if (need_update(sampass, PDB_PASSLASTSET)) {
1153 slprintf (temp, sizeof (temp) - 1, "%li", pdb_get_pass_last_set_time(sampass));
1154 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1155 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_LAST_SET),
1156 temp);
1157 }
1158 }
1159
1160 if (need_update(sampass, PDB_HOURS)) {
1161 const uint8 *hours = pdb_get_hours(sampass);
1162 if (hours) {
1163 pdb_sethexhours(temp, hours);
1164 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct,
1165 existing,
1166 mods,
1167 get_userattr_key2string(ldap_state->schema_ver,
1168 LDAP_ATTR_LOGON_HOURS),
1169 temp);
1170 }
1171 }
1172
1173 if (need_update(sampass, PDB_ACCTCTRL))
1174 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1175 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_ACB_INFO),
1176 pdb_encode_acct_ctrl (pdb_get_acct_ctrl(sampass), NEW_PW_FORMAT_SPACE_PADDED_LEN));
1177
1178 /* password lockout cache:
1179 - If we are now autolocking or clearing, we write to ldap
1180 - If we are clearing, we delete the cache entry
1181 - If the count is > 0, we update the cache
1182
1183 This even means when autolocking, we cache, just in case the
1184 update doesn't work, and we have to cache the autolock flag */
1185
1186 if (need_update(sampass, PDB_BAD_PASSWORD_COUNT)) /* &&
1187 need_update(sampass, PDB_BAD_PASSWORD_TIME)) */ {
1188 uint16 badcount = pdb_get_bad_password_count(sampass);
1189 time_t badtime = pdb_get_bad_password_time(sampass);
1190 uint32 pol;
1191 pdb_get_account_policy(AP_BAD_ATTEMPT_LOCKOUT, &pol);
1192
1193 DEBUG(3, ("updating bad password fields, policy=%u, count=%u, time=%u\n",
1194 (unsigned int)pol, (unsigned int)badcount, (unsigned int)badtime));
1195
1196 if ((badcount >= pol) || (badcount == 0)) {
1197 DEBUG(7, ("making mods to update ldap, count=%u, time=%u\n",
1198 (unsigned int)badcount, (unsigned int)badtime));
1199 slprintf (temp, sizeof (temp) - 1, "%li", (long)badcount);
1200 smbldap_make_mod(
1201 ldap_state->smbldap_state->ldap_struct,
1202 existing, mods,
1203 get_userattr_key2string(
1204 ldap_state->schema_ver,
1205 LDAP_ATTR_BAD_PASSWORD_COUNT),
1206 temp);
1207
1208 slprintf (temp, sizeof (temp) - 1, "%li", badtime);
1209 smbldap_make_mod(
1210 ldap_state->smbldap_state->ldap_struct,
1211 existing, mods,
1212 get_userattr_key2string(
1213 ldap_state->schema_ver,
1214 LDAP_ATTR_BAD_PASSWORD_TIME),
1215 temp);
1216 }
1217 if (badcount == 0) {
1218 DEBUG(7, ("bad password count is reset, deleting login cache entry for %s\n", pdb_get_nt_username(sampass)));
1219 login_cache_delentry(sampass);
1220 } else {
1221 LOGIN_CACHE cache_entry;
1222
1223 cache_entry.entry_timestamp = time(NULL);
1224 cache_entry.acct_ctrl = pdb_get_acct_ctrl(sampass);
1225 cache_entry.bad_password_count = badcount;
1226 cache_entry.bad_password_time = badtime;
1227
1228 DEBUG(7, ("Updating bad password count and time in login cache\n"));
1229 login_cache_write(sampass, cache_entry);
1230 }
1231 }
1232
1233 return True;
1234 }
1235
1236 /**********************************************************************
1237 Connect to LDAP server for password enumeration.
1238 *********************************************************************/
1239
1240 static NTSTATUS ldapsam_setsampwent(struct pdb_methods *my_methods, BOOL update, uint32 acb_mask)
1241 {
1242 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1243 int rc;
1244 pstring filter, suffix;
1245 const char **attr_list;
1246 BOOL machine_mask = False, user_mask = False;
1247
1248 pstr_sprintf( filter, "(&%s%s)", "(uid=%u)",
1249 get_objclass_filter(ldap_state->schema_ver));
1250 all_string_sub(filter, "%u", "*", sizeof(pstring));
1251
1252 machine_mask = ((acb_mask != 0) && (acb_mask & (ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)));
1253 user_mask = ((acb_mask != 0) && (acb_mask & ACB_NORMAL));
1254
1255 if (machine_mask) {
1256 pstrcpy(suffix, lp_ldap_machine_suffix());
1257 } else if (user_mask) {
1258 pstrcpy(suffix, lp_ldap_user_suffix());
1259 } else {
1260 pstrcpy(suffix, lp_ldap_suffix());
1261 }
1262
1263 DEBUG(10,("ldapsam_setsampwent: LDAP Query for acb_mask 0x%x will use suffix %s\n",
1264 acb_mask, suffix));
1265
1266 attr_list = get_userattr_list(NULL, ldap_state->schema_ver);
1267 rc = smbldap_search(ldap_state->smbldap_state, suffix, LDAP_SCOPE_SUBTREE, filter,
1268 attr_list, 0, &ldap_state->result);
1269 TALLOC_FREE( attr_list );
1270
1271 if (rc != LDAP_SUCCESS) {
1272 DEBUG(0, ("ldapsam_setsampwent: LDAP search failed: %s\n", ldap_err2string(rc)));
1273 DEBUG(3, ("ldapsam_setsampwent: Query was: %s, %s\n", suffix, filter));
1274 ldap_msgfree(ldap_state->result);
1275 ldap_state->result = NULL;
1276 return NT_STATUS_UNSUCCESSFUL;
1277 }
1278
1279 DEBUG(2, ("ldapsam_setsampwent: %d entries in the base %s\n",
1280 ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
1281 ldap_state->result), suffix));
1282
1283 ldap_state->entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
1284 ldap_state->result);
1285 ldap_state->index = 0;
1286
1287 return NT_STATUS_OK;
1288 }
1289
1290 /**********************************************************************
1291 End enumeration of the LDAP password list.
1292 *********************************************************************/
1293
1294 static void ldapsam_endsampwent(struct pdb_methods *my_methods)
1295 {
1296 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1297 if (ldap_state->result) {
1298 ldap_msgfree(ldap_state->result);
1299 ldap_state->result = NULL;
1300 }
1301 }
1302
1303 /**********************************************************************
1304 Get the next entry in the LDAP password database.
1305 *********************************************************************/
1306
1307 static NTSTATUS ldapsam_getsampwent(struct pdb_methods *my_methods,
1308 struct samu *user)
1309 {
1310 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1311 struct ldapsam_privates *ldap_state =
1312 (struct ldapsam_privates *)my_methods->private_data;
1313 BOOL bret = False;
1314
1315 while (!bret) {
1316 if (!ldap_state->entry)
1317 return ret;
1318
1319 ldap_state->index++;
1320 bret = init_sam_from_ldap(ldap_state, user, ldap_state->entry);
1321
1322 ldap_state->entry = ldap_next_entry(priv2ld(ldap_state),
1323 ldap_state->entry);
1324 }
1325
1326 return NT_STATUS_OK;
1327 }
1328
1329 static void append_attr(TALLOC_CTX *mem_ctx, const char ***attr_list,
1330 const char *new_attr)
1331 {
1332 int i;
1333
1334 if (new_attr == NULL) {
1335 return;
1336 }
1337
1338 for (i=0; (*attr_list)[i] != NULL; i++) {
1339 ;
1340 }
1341
1342 (*attr_list) = TALLOC_REALLOC_ARRAY(mem_ctx, (*attr_list),
1343 const char *, i+2);
1344 SMB_ASSERT((*attr_list) != NULL);
1345 (*attr_list)[i] = talloc_strdup((*attr_list), new_attr);
1346 (*attr_list)[i+1] = NULL;
1347 }
1348
1349 /**********************************************************************
1350 Get struct samu entry from LDAP by username.
1351 *********************************************************************/
1352
1353 static NTSTATUS ldapsam_getsampwnam(struct pdb_methods *my_methods, struct samu *user, const char *sname)
1354 {
1355 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1356 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1357 LDAPMessage *result = NULL;
1358 LDAPMessage *entry = NULL;
1359 int count;
1360 const char ** attr_list;
1361 int rc;
1362
1363 attr_list = get_userattr_list( user, ldap_state->schema_ver );
1364 append_attr(user, &attr_list,
1365 get_userattr_key2string(ldap_state->schema_ver,
1366 LDAP_ATTR_MOD_TIMESTAMP));
1367 append_attr(user, &attr_list, "uidNumber");
1368 rc = ldapsam_search_suffix_by_name(ldap_state, sname, &result,
1369 attr_list);
1370 TALLOC_FREE( attr_list );
1371
1372 if ( rc != LDAP_SUCCESS )
1373 return NT_STATUS_NO_SUCH_USER;
1374
1375 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
1376
1377 if (count < 1) {
1378 DEBUG(4, ("ldapsam_getsampwnam: Unable to locate user [%s] count=%d\n", sname, count));
1379 ldap_msgfree(result);
1380 return NT_STATUS_NO_SUCH_USER;
1381 } else if (count > 1) {
1382 DEBUG(1, ("ldapsam_getsampwnam: Duplicate entries for this user [%s] Failing. count=%d\n", sname, count));
1383 ldap_msgfree(result);
1384 return NT_STATUS_NO_SUCH_USER;
1385 }
1386
1387 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1388 if (entry) {
1389 if (!init_sam_from_ldap(ldap_state, user, entry)) {
1390 DEBUG(1,("ldapsam_getsampwnam: init_sam_from_ldap failed for user '%s'!\n", sname));
1391 ldap_msgfree(result);
1392 return NT_STATUS_NO_SUCH_USER;
1393 }
1394 pdb_set_backend_private_data(user, result, NULL,
1395 my_methods, PDB_CHANGED);
1396 talloc_autofree_ldapmsg(user, result);
1397 ret = NT_STATUS_OK;
1398 } else {
1399 ldap_msgfree(result);
1400 }
1401 return ret;
1402 }
1403
1404 static int ldapsam_get_ldap_user_by_sid(struct ldapsam_privates *ldap_state,
1405 const DOM_SID *sid, LDAPMessage **result)
1406 {
1407 int rc = -1;
1408 const char ** attr_list;
1409 uint32 rid;
1410
1411 switch ( ldap_state->schema_ver ) {
1412 case SCHEMAVER_SAMBASAMACCOUNT: {
1413 TALLOC_CTX *tmp_ctx = talloc_new(NULL);
1414 if (tmp_ctx == NULL) {
1415 return LDAP_NO_MEMORY;
1416 }
1417
1418 attr_list = get_userattr_list(tmp_ctx,
1419 ldap_state->schema_ver);
1420 append_attr(tmp_ctx, &attr_list,
1421 get_userattr_key2string(
1422 ldap_state->schema_ver,
1423 LDAP_ATTR_MOD_TIMESTAMP));
1424 append_attr(tmp_ctx, &attr_list, "uidNumber");
1425 rc = ldapsam_search_suffix_by_sid(ldap_state, sid,
1426 result, attr_list);
1427 TALLOC_FREE(tmp_ctx);
1428
1429 if ( rc != LDAP_SUCCESS )
1430 return rc;
1431 break;
1432 }
1433
1434 case SCHEMAVER_SAMBAACCOUNT:
1435 if (!sid_peek_check_rid(&ldap_state->domain_sid, sid, &rid)) {
1436 return rc;
1437 }
1438
1439 attr_list = get_userattr_list(NULL,
1440 ldap_state->schema_ver);
1441 rc = ldapsam_search_suffix_by_rid(ldap_state, rid, result, attr_list );
1442 TALLOC_FREE( attr_list );
1443
1444 if ( rc != LDAP_SUCCESS )
1445 return rc;
1446 break;
1447 }
1448 return rc;
1449 }
1450
1451 /**********************************************************************
1452 Get struct samu entry from LDAP by SID.
1453 *********************************************************************/
1454
1455 static NTSTATUS ldapsam_getsampwsid(struct pdb_methods *my_methods, struct samu * user, const DOM_SID *sid)
1456 {
1457 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1458 LDAPMessage *result = NULL;
1459 LDAPMessage *entry = NULL;
1460 int count;
1461 int rc;
1462 fstring sid_string;
1463
1464 rc = ldapsam_get_ldap_user_by_sid(ldap_state,
1465 sid, &result);
1466 if (rc != LDAP_SUCCESS)
1467 return NT_STATUS_NO_SUCH_USER;
1468
1469 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
1470
1471 if (count < 1) {
1472 DEBUG(4, ("ldapsam_getsampwsid: Unable to locate SID [%s] count=%d\n", sid_to_string(sid_string, sid),
1473 count));
1474 ldap_msgfree(result);
1475 return NT_STATUS_NO_SUCH_USER;
1476 } else if (count > 1) {
1477 DEBUG(1, ("ldapsam_getsampwsid: More than one user with SID [%s]. Failing. count=%d\n", sid_to_string(sid_string, sid),
1478 count));
1479 ldap_msgfree(result);
1480 return NT_STATUS_NO_SUCH_USER;
1481 }
1482
1483 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1484 if (!entry) {
1485 ldap_msgfree(result);
1486 return NT_STATUS_NO_SUCH_USER;
1487 }
1488
1489 if (!init_sam_from_ldap(ldap_state, user, entry)) {
1490 DEBUG(1,("ldapsam_getsampwsid: init_sam_from_ldap failed!\n"));
1491 ldap_msgfree(result);
1492 return NT_STATUS_NO_SUCH_USER;
1493 }
1494
1495 pdb_set_backend_private_data(user, result, NULL,
1496 my_methods, PDB_CHANGED);
1497 talloc_autofree_ldapmsg(user, result);
1498 return NT_STATUS_OK;
1499 }
1500
1501 static BOOL ldapsam_can_pwchange_exop(struct smbldap_state *ldap_state)
1502 {
1503 return smbldap_has_extension(ldap_state, LDAP_EXOP_MODIFY_PASSWD);
1504 }
1505
1506 /********************************************************************
1507 Do the actual modification - also change a plaintext passord if
1508 it it set.
1509 **********************************************************************/
1510
1511 static NTSTATUS ldapsam_modify_entry(struct pdb_methods *my_methods,
1512 struct samu *newpwd, char *dn,
1513 LDAPMod **mods, int ldap_op,
1514 BOOL (*need_update)(const struct samu *, enum pdb_elements))
1515 {
1516 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1517 int rc;
1518
1519 if (!my_methods || !newpwd || !dn) {
1520 return NT_STATUS_INVALID_PARAMETER;
1521 }
1522
1523 if (!mods) {
1524 DEBUG(5,("ldapsam_modify_entry: mods is empty: nothing to modify\n"));
1525 /* may be password change below however */
1526 } else {
1527 switch(ldap_op) {
1528 case LDAP_MOD_ADD:
1529 smbldap_set_mod(&mods, LDAP_MOD_ADD,
1530 "objectclass",
1531 LDAP_OBJ_ACCOUNT);
1532 rc = smbldap_add(ldap_state->smbldap_state,
1533 dn, mods);
1534 break;
1535 case LDAP_MOD_REPLACE:
1536 rc = smbldap_modify(ldap_state->smbldap_state,
1537 dn ,mods);
1538 break;
1539 default:
1540 DEBUG(0,("ldapsam_modify_entry: Wrong LDAP operation type: %d!\n",
1541 ldap_op));
1542 return NT_STATUS_INVALID_PARAMETER;
1543 }
1544
1545 if (rc!=LDAP_SUCCESS) {
1546 return NT_STATUS_UNSUCCESSFUL;
1547 }
1548 }
1549
1550 if (!(pdb_get_acct_ctrl(newpwd)&(ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)) &&
1551 (lp_ldap_passwd_sync() != LDAP_PASSWD_SYNC_OFF) &&
1552 need_update(newpwd, PDB_PLAINTEXT_PW) &&
1553 (pdb_get_plaintext_passwd(newpwd)!=NULL)) {
1554 BerElement *ber;
1555 struct berval *bv;
1556 char *retoid = NULL;
1557 struct berval *retdata = NULL;
1558 char *utf8_password;
1559 char *utf8_dn;
1560
1561 if (!ldap_state->is_nds_ldap) {
1562 if (!ldapsam_can_pwchange_exop(ldap_state->smbldap_state)) {
1563 DEBUG(2, ("ldap password change requested, but LDAP "
1564 "server does not support it -- ignoring\n"));
1565 return NT_STATUS_OK;
1566 }
1567 }
1568
1569 if (push_utf8_allocate(&utf8_password, pdb_get_plaintext_passwd(newpwd)) == (size_t)-1) {
1570 return NT_STATUS_NO_MEMORY;
1571 }
1572
1573 if (push_utf8_allocate(&utf8_dn, dn) == (size_t)-1) {
1574 return NT_STATUS_NO_MEMORY;
1575 }
1576
1577 if ((ber = ber_alloc_t(LBER_USE_DER))==NULL) {
1578 DEBUG(0,("ber_alloc_t returns NULL\n"));
1579 SAFE_FREE(utf8_password);
1580 return NT_STATUS_UNSUCCESSFUL;
1581 }
1582
1583 ber_printf (ber, "{");
1584 ber_printf (ber, "ts", LDAP_TAG_EXOP_MODIFY_PASSWD_ID, utf8_dn);
1585 ber_printf (ber, "ts", LDAP_TAG_EXOP_MODIFY_PASSWD_NEW, utf8_password);
1586 ber_printf (ber, "N}");
1587
1588 if ((rc = ber_flatten (ber, &bv))<0) {
1589 DEBUG(0,("ldapsam_modify_entry: ber_flatten returns a value <0\n"));
1590 ber_free(ber,1);
1591 SAFE_FREE(utf8_dn);
1592 SAFE_FREE(utf8_password);
1593 return NT_STATUS_UNSUCCESSFUL;
1594 }
1595
1596 SAFE_FREE(utf8_dn);
1597 SAFE_FREE(utf8_password);
1598 ber_free(ber, 1);
1599
1600 if (!ldap_state->is_nds_ldap) {
1601 rc = smbldap_extended_operation(ldap_state->smbldap_state,
1602 LDAP_EXOP_MODIFY_PASSWD,
1603 bv, NULL, NULL, &retoid,
1604 &retdata);
1605 } else {
1606 rc = pdb_nds_set_password(ldap_state->smbldap_state, dn,
1607 pdb_get_plaintext_passwd(newpwd));
1608 }
1609 if (rc != LDAP_SUCCESS) {
1610 char *ld_error = NULL;
1611
1612 if (rc == LDAP_OBJECT_CLASS_VIOLATION) {
1613 DEBUG(3, ("Could not set userPassword "
1614 "attribute due to an objectClass "
1615 "violation -- ignoring\n"));
1616 ber_bvfree(bv);
1617 return NT_STATUS_OK;
1618 }
1619
1620 ldap_get_option(ldap_state->smbldap_state->ldap_struct, LDAP_OPT_ERROR_STRING,
1621 &ld_error);
1622 DEBUG(0,("ldapsam_modify_entry: LDAP Password could not be changed for user %s: %s\n\t%s\n",
1623 pdb_get_username(newpwd), ldap_err2string(rc), ld_error?ld_error:"unknown"));
1624 SAFE_FREE(ld_error);
1625 ber_bvfree(bv);
1626 return NT_STATUS_UNSUCCESSFUL;
1627 } else {
1628 DEBUG(3,("ldapsam_modify_entry: LDAP Password changed for user %s\n",pdb_get_username(newpwd)));
1629 #ifdef DEBUG_PASSWORD
1630 DEBUG(100,("ldapsam_modify_entry: LDAP Password changed to %s\n",pdb_get_plaintext_passwd(newpwd)));
1631 #endif
1632 if (retdata)
1633 ber_bvfree(retdata);
1634 if (retoid)
1635 ldap_memfree(retoid);
1636 }
1637 ber_bvfree(bv);
1638 }
1639 return NT_STATUS_OK;
1640 }
1641
1642 /**********************************************************************
1643 Delete entry from LDAP for username.
1644 *********************************************************************/
1645
1646 static NTSTATUS ldapsam_delete_sam_account(struct pdb_methods *my_methods,
1647 struct samu * sam_acct)
1648 {
1649 struct ldapsam_privates *priv =
1650 (struct ldapsam_privates *)my_methods->private_data;
1651 const char *sname;
1652 int rc;
1653 LDAPMessage *msg, *entry;
1654 NTSTATUS result = NT_STATUS_NO_MEMORY;
1655 const char **attr_list;
1656 TALLOC_CTX *mem_ctx;
1657
1658 if (!sam_acct) {
1659 DEBUG(0, ("ldapsam_delete_sam_account: sam_acct was NULL!\n"));
1660 return NT_STATUS_INVALID_PARAMETER;
1661 }
1662
1663 sname = pdb_get_username(sam_acct);
1664
1665 DEBUG(3, ("ldapsam_delete_sam_account: Deleting user %s from "
1666 "LDAP.\n", sname));
1667
1668 mem_ctx = talloc_new(NULL);
1669 if (mem_ctx == NULL) {
1670 DEBUG(0, ("talloc_new failed\n"));
1671 goto done;
1672 }
1673
1674 attr_list = get_userattr_delete_list(mem_ctx, priv->schema_ver );
1675 if (attr_list == NULL) {
1676 goto done;
1677 }
1678
1679 rc = ldapsam_search_suffix_by_name(priv, sname, &msg, attr_list);
1680
1681 if ((rc != LDAP_SUCCESS) ||
1682 (ldap_count_entries(priv2ld(priv), msg) != 1) ||
1683 ((entry = ldap_first_entry(priv2ld(priv), msg)) == NULL)) {
1684 DEBUG(5, ("Could not find user %s\n", sname));
1685 result = NT_STATUS_NO_SUCH_USER;
1686 goto done;
1687 }
1688
1689 rc = ldapsam_delete_entry(
1690 priv, mem_ctx, entry,
1691 priv->schema_ver == SCHEMAVER_SAMBASAMACCOUNT ?
1692 LDAP_OBJ_SAMBASAMACCOUNT : LDAP_OBJ_SAMBAACCOUNT,
1693 attr_list);
1694
1695 result = (rc == LDAP_SUCCESS) ?
1696 NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
1697
1698 done:
1699 TALLOC_FREE(mem_ctx);
1700 return result;
1701 }
1702
1703 /**********************************************************************
1704 Helper function to determine for update_sam_account whether
1705 we need LDAP modification.
1706 *********************************************************************/
1707
1708 static BOOL element_is_changed(const struct samu *sampass,
1709 enum pdb_elements element)
1710 {
1711 return IS_SAM_CHANGED(sampass, element);
1712 }
1713
1714 /**********************************************************************
1715 Update struct samu.
1716 *********************************************************************/
1717
1718 static NTSTATUS ldapsam_update_sam_account(struct pdb_methods *my_methods, struct samu * newpwd)
1719 {
1720 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1721 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1722 int rc = 0;
1723 char *dn;
1724 LDAPMessage *result = NULL;
1725 LDAPMessage *entry = NULL;
1726 LDAPMod **mods = NULL;
1727 const char **attr_list;
1728
1729 result = pdb_get_backend_private_data(newpwd, my_methods);
1730 if (!result) {
1731 attr_list = get_userattr_list(NULL, ldap_state->schema_ver);
1732 rc = ldapsam_search_suffix_by_name(ldap_state, pdb_get_username(newpwd), &result, attr_list );
1733 TALLOC_FREE( attr_list );
1734 if (rc != LDAP_SUCCESS) {
1735 return NT_STATUS_UNSUCCESSFUL;
1736 }
1737 pdb_set_backend_private_data(newpwd, result, NULL,
1738 my_methods, PDB_CHANGED);
1739 talloc_autofree_ldapmsg(newpwd, result);
1740 }
1741
1742 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) == 0) {
1743 DEBUG(0, ("ldapsam_update_sam_account: No user to modify!\n"));
1744 return NT_STATUS_UNSUCCESSFUL;
1745 }
1746
1747 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1748 dn = smbldap_get_dn(ldap_state->smbldap_state->ldap_struct, entry);
1749 if (!dn) {
1750 return NT_STATUS_UNSUCCESSFUL;
1751 }
1752
1753 DEBUG(4, ("ldapsam_update_sam_account: user %s to be modified has dn: %s\n", pdb_get_username(newpwd), dn));
1754
1755 if (!init_ldap_from_sam(ldap_state, entry, &mods, newpwd,
1756 element_is_changed)) {
1757 DEBUG(0, ("ldapsam_update_sam_account: init_ldap_from_sam failed!\n"));
1758 SAFE_FREE(dn);
1759 if (mods != NULL)
1760 ldap_mods_free(mods,True);
1761 return NT_STATUS_UNSUCCESSFUL;
1762 }
1763
1764 if (mods == NULL) {
1765 DEBUG(4,("ldapsam_update_sam_account: mods is empty: nothing to update for user: %s\n",
1766 pdb_get_username(newpwd)));
1767 SAFE_FREE(dn);
1768 return NT_STATUS_OK;
1769 }
1770
1771 ret = ldapsam_modify_entry(my_methods,newpwd,dn,mods,LDAP_MOD_REPLACE, element_is_changed);
1772 ldap_mods_free(mods,True);
1773 SAFE_FREE(dn);
1774
1775 if (!NT_STATUS_IS_OK(ret)) {
1776 return ret;
1777 }
1778
1779 DEBUG(2, ("ldapsam_update_sam_account: successfully modified uid = %s in the LDAP database\n",
1780 pdb_get_username(newpwd)));
1781 return NT_STATUS_OK;
1782 }
1783
1784 /***************************************************************************
1785 Renames a struct samu
1786 - The "rename user script" has full responsibility for changing everything
1787 ***************************************************************************/
1788
1789 static NTSTATUS ldapsam_rename_sam_account(struct pdb_methods *my_methods,
1790 struct samu *old_acct,
1791 const char *newname)
1792 {
1793 const char *oldname;
1794 int rc;
1795 pstring rename_script;
1796
1797 if (!old_acct) {
1798 DEBUG(0, ("ldapsam_rename_sam_account: old_acct was NULL!\n"));
1799 return NT_STATUS_INVALID_PARAMETER;
1800 }
1801 if (!newname) {
1802 DEBUG(0, ("ldapsam_rename_sam_account: newname was NULL!\n"));
1803 return NT_STATUS_INVALID_PARAMETER;
1804 }
1805
1806 oldname = pdb_get_username(old_acct);
1807
1808 /* rename the posix user */
1809 pstrcpy(rename_script, lp_renameuser_script());
1810
1811 if (!(*rename_script))
1812 return NT_STATUS_ACCESS_DENIED;
1813
1814 DEBUG (3, ("ldapsam_rename_sam_account: Renaming user %s to %s.\n",
1815 oldname, newname));
1816
1817 /* we have to allow the account name to end with a '$' */
1818 string_sub2(rename_script, "%unew", newname, sizeof(pstring),
1819 True, False, True);
1820 string_sub2(rename_script, "%uold", oldname, sizeof(pstring),
1821 True, False, True);
1822 rc = smbrun(rename_script, NULL);
1823
1824 DEBUG(rc ? 0 : 3,("Running the command `%s' gave %d\n",
1825 rename_script, rc));
1826
1827 if (rc)
1828 return NT_STATUS_UNSUCCESSFUL;
1829
1830 return NT_STATUS_OK;
1831 }
1832
1833 /**********************************************************************
1834 Helper function to determine for update_sam_account whether
1835 we need LDAP modification.
1836 *********************************************************************/
1837
1838 static BOOL element_is_set_or_changed(const struct samu *sampass,
1839 enum pdb_elements element)
1840 {
1841 return (IS_SAM_SET(sampass, element) ||
1842 IS_SAM_CHANGED(sampass, element));
1843 }
1844
1845 /**********************************************************************
1846 Add struct samu to LDAP.
1847 *********************************************************************/
1848
1849 static NTSTATUS ldapsam_add_sam_account(struct pdb_methods *my_methods, struct samu * newpwd)
1850 {
1851 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1852 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1853 int rc;
1854 LDAPMessage *result = NULL;
1855 LDAPMessage *entry = NULL;
1856 pstring dn;
1857 LDAPMod **mods = NULL;
1858 int ldap_op = LDAP_MOD_REPLACE;
1859 uint32 num_result;
1860 const char **attr_list;
1861 char *escape_user;
1862 const char *username = pdb_get_username(newpwd);
1863 const DOM_SID *sid = pdb_get_user_sid(newpwd);
1864 pstring filter;
1865 fstring sid_string;
1866
1867 if (!username || !*username) {
1868 DEBUG(0, ("ldapsam_add_sam_account: Cannot add user without a username!\n"));
1869 return NT_STATUS_INVALID_PARAMETER;
1870 }
1871
1872 /* free this list after the second search or in case we exit on failure */
1873 attr_list = get_userattr_list(NULL, ldap_state->schema_ver);
1874
1875 rc = ldapsam_search_suffix_by_name (ldap_state, username, &result, attr_list);
1876
1877 if (rc != LDAP_SUCCESS) {
1878 TALLOC_FREE( attr_list );
1879 return NT_STATUS_UNSUCCESSFUL;
1880 }
1881
1882 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) != 0) {
1883 DEBUG(0,("ldapsam_add_sam_account: User '%s' already in the base, with samba attributes\n",
1884 username));
1885 ldap_msgfree(result);
1886 TALLOC_FREE( attr_list );
1887 return NT_STATUS_UNSUCCESSFUL;
1888 }
1889 ldap_msgfree(result);
1890 result = NULL;
1891
1892 if (element_is_set_or_changed(newpwd, PDB_USERSID)) {
1893 rc = ldapsam_get_ldap_user_by_sid(ldap_state,
1894 sid, &result);
1895 if (rc == LDAP_SUCCESS) {
1896 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) != 0) {
1897 DEBUG(0,("ldapsam_add_sam_account: SID '%s' already in the base, with samba attributes\n",
1898 sid_to_string(sid_string, sid)));
1899 TALLOC_FREE( attr_list );
1900 ldap_msgfree(result);
1901 return NT_STATUS_UNSUCCESSFUL;
1902 }
1903 ldap_msgfree(result);
1904 }
1905 }
1906
1907 /* does the entry already exist but without a samba attributes?
1908 we need to return the samba attributes here */
1909
1910 escape_user = escape_ldap_string_alloc( username );
1911 pstrcpy( filter, "(uid=%u)" );
1912 all_string_sub( filter, "%u", escape_user, sizeof(filter) );
1913 SAFE_FREE( escape_user );
1914
1915 rc = smbldap_search_suffix(ldap_state->smbldap_state,
1916 filter, attr_list, &result);
1917 if ( rc != LDAP_SUCCESS ) {
1918 TALLOC_FREE( attr_list );
1919 return NT_STATUS_UNSUCCESSFUL;
1920 }
1921
1922 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
1923
1924 if (num_result > 1) {
1925 DEBUG (0, ("ldapsam_add_sam_account: More than one user with that uid exists: bailing out!\n"));
1926 TALLOC_FREE( attr_list );
1927 ldap_msgfree(result);
1928 return NT_STATUS_UNSUCCESSFUL;
1929 }
1930
1931 /* Check if we need to update an existing entry */
1932 if (num_result == 1) {
1933 char *tmp;
1934
1935 DEBUG(3,("ldapsam_add_sam_account: User exists without samba attributes: adding them\n"));
1936 ldap_op = LDAP_MOD_REPLACE;
1937 entry = ldap_first_entry (ldap_state->smbldap_state->ldap_struct, result);
1938 tmp = smbldap_get_dn (ldap_state->smbldap_state->ldap_struct, entry);
1939 if (!tmp) {
1940 TALLOC_FREE( attr_list );
1941 ldap_msgfree(result);
1942 return NT_STATUS_UNSUCCESSFUL;
1943 }
1944 slprintf (dn, sizeof (dn) - 1, "%s", tmp);
1945 SAFE_FREE(tmp);
1946
1947 } else if (ldap_state->schema_ver == SCHEMAVER_SAMBASAMACCOUNT) {
1948
1949 /* There might be a SID for this account already - say an idmap entry */
1950
1951 pstr_sprintf(filter, "(&(%s=%s)(|(objectClass=%s)(objectClass=%s)))",
1952 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_SID),
1953 sid_to_string(sid_string, sid),
1954 LDAP_OBJ_IDMAP_ENTRY,
1955 LDAP_OBJ_SID_ENTRY);
1956
1957 /* free old result before doing a new search */
1958 if (result != NULL) {
1959 ldap_msgfree(result);
1960 result = NULL;
1961 }
1962 rc = smbldap_search_suffix(ldap_state->smbldap_state,
1963 filter, attr_list, &result);
1964
1965 if ( rc != LDAP_SUCCESS ) {
1966 TALLOC_FREE( attr_list );
1967 return NT_STATUS_UNSUCCESSFUL;
1968 }
1969
1970 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
1971
1972 if (num_result > 1) {
1973 DEBUG (0, ("ldapsam_add_sam_account: More than one user with that uid exists: bailing out!\n"));
1974 TALLOC_FREE( attr_list );
1975 ldap_msgfree(result);
1976 return NT_STATUS_UNSUCCESSFUL;
1977 }
1978
1979 /* Check if we need to update an existing entry */
1980 if (num_result == 1) {
1981 char *tmp;
1982
1983 DEBUG(3,("ldapsam_add_sam_account: User exists without samba attributes: adding them\n"));
1984 ldap_op = LDAP_MOD_REPLACE;
1985 entry = ldap_first_entry (ldap_state->smbldap_state->ldap_struct, result);
1986 tmp = smbldap_get_dn (ldap_state->smbldap_state->ldap_struct, entry);
1987 if (!tmp) {
1988 TALLOC_FREE( attr_list );
1989 ldap_msgfree(result);
1990 return NT_STATUS_UNSUCCESSFUL;
1991 }
1992 slprintf (dn, sizeof (dn) - 1, "%s", tmp);
1993 SAFE_FREE(tmp);
1994 }
1995 }
1996
1997 TALLOC_FREE( attr_list );
1998
1999 if (num_result == 0) {
2000 /* Check if we need to add an entry */
2001 DEBUG(3,("ldapsam_add_sam_account: Adding new user\n"));
2002 ldap_op = LDAP_MOD_ADD;
2003 if (username[strlen(username)-1] == '$') {
2004 slprintf (dn, sizeof (dn) - 1, "uid=%s,%s", username, lp_ldap_machine_suffix ());
2005 } else {
2006 slprintf (dn, sizeof (dn) - 1, "uid=%s,%s", username, lp_ldap_user_suffix ());
2007 }
2008 }
2009
2010 if (!init_ldap_from_sam(ldap_state, entry, &mods, newpwd,
2011 element_is_set_or_changed)) {
2012 DEBUG(0, ("ldapsam_add_sam_account: init_ldap_from_sam failed!\n"));
2013 ldap_msgfree(result);
2014 if (mods != NULL)
2015 ldap_mods_free(mods,True);
2016 return NT_STATUS_UNSUCCESSFUL;
2017 }
2018
2019 ldap_msgfree(result);
2020
2021 if (mods == NULL) {
2022 DEBUG(0,("ldapsam_add_sam_account: mods is empty: nothing to add for user: %s\n",pdb_get_username(newpwd)));
2023 return NT_STATUS_UNSUCCESSFUL;
2024 }
2025 switch ( ldap_state->schema_ver ) {
2026 case SCHEMAVER_SAMBAACCOUNT:
2027 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_SAMBAACCOUNT);
2028 break;
2029 case SCHEMAVER_SAMBASAMACCOUNT:
2030 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_SAMBASAMACCOUNT);
2031 break;
2032 default:
2033 DEBUG(0,("ldapsam_add_sam_account: invalid schema version specified\n"));
2034 break;
2035 }
2036
2037 ret = ldapsam_modify_entry(my_methods,newpwd,dn,mods,ldap_op, element_is_set_or_changed);
2038 if (!NT_STATUS_IS_OK(ret)) {
2039 DEBUG(0,("ldapsam_add_sam_account: failed to modify/add user with uid = %s (dn = %s)\n",
2040 pdb_get_username(newpwd),dn));
2041 ldap_mods_free(mods, True);
2042 return ret;
2043 }
2044
2045 DEBUG(2,("ldapsam_add_sam_account: added: uid == %s in the LDAP database\n", pdb_get_username(newpwd)));
2046 ldap_mods_free(mods, True);
2047
2048 return NT_STATUS_OK;
2049 }
2050
2051 /**********************************************************************
2052 *********************************************************************/
2053
2054 static int ldapsam_search_one_group (struct ldapsam_privates *ldap_state,
2055 const char *filter,
2056 LDAPMessage ** result)
2057 {
2058 int scope = LDAP_SCOPE_SUBTREE;
2059 int rc;
2060 const char **attr_list;
2061
2062 attr_list = get_attr_list(NULL, groupmap_attr_list);
2063 rc = smbldap_search(ldap_state->smbldap_state,
2064 lp_ldap_group_suffix (), scope,
2065 filter, attr_list, 0, result);
2066 TALLOC_FREE(attr_list);
2067
2068 return rc;
2069 }
2070
2071 /**********************************************************************
2072 *********************************************************************/
2073
2074 static BOOL init_group_from_ldap(struct ldapsam_privates *ldap_state,
2075 GROUP_MAP *map, LDAPMessage *entry)
2076 {
2077 pstring temp;
2078
2079 if (ldap_state == NULL || map == NULL || entry == NULL ||
2080 ldap_state->smbldap_state->ldap_struct == NULL) {
2081 DEBUG(0, ("init_group_from_ldap: NULL parameters found!\n"));
2082 return False;
2083 }
2084
2085 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
2086 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GIDNUMBER), temp)) {
2087 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2088 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GIDNUMBER)));
2089 return False;
2090 }
2091 DEBUG(2, ("init_group_from_ldap: Entry found for group: %s\n", temp));
2092
2093 map->gid = (gid_t)atol(temp);
2094
2095 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
2096 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_SID), temp)) {
2097 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2098 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_SID)));
2099 return False;
2100 }
2101
2102 if (!string_to_sid(&map->sid, temp)) {
2103 DEBUG(1, ("SID string [%s] could not be read as a valid SID\n", temp));
2104 return False;
2105 }
2106
2107 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
2108 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_TYPE), temp)) {
2109 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2110 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_TYPE)));
2111 return False;
2112 }
2113 map->sid_name_use = (enum SID_NAME_USE)atol(temp);
2114
2115 if ((map->sid_name_use < SID_NAME_USER) ||
2116 (map->sid_name_use > SID_NAME_UNKNOWN)) {
2117 DEBUG(0, ("init_group_from_ldap: Unknown Group type: %d\n", map->sid_name_use));
2118 return False;
2119 }
2120
2121 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
2122 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_DISPLAY_NAME), temp)) {
2123 temp[0] = '\0';
2124 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
2125 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_CN), temp))
2126 {
2127 DEBUG(0, ("init_group_from_ldap: Attributes cn not found either \
2128 for gidNumber(%lu)\n",(unsigned long)map->gid));
2129 return False;
2130 }
2131 }
2132 fstrcpy(map->nt_name, temp);
2133
2134 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
2135 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_DESC), temp)) {
2136 temp[0] = '\0';
2137 }
2138 fstrcpy(map->comment, temp);
2139
2140 if (lp_parm_bool(-1, "ldapsam", "trusted", False)) {
2141 store_gid_sid_cache(&map->sid, map->gid);
2142 }
2143
2144 return True;
2145 }
2146
2147 /**********************************************************************
2148 *********************************************************************/
2149
2150 static NTSTATUS ldapsam_getgroup(struct pdb_methods *methods,
2151 const char *filter,
2152 GROUP_MAP *map)
2153 {
2154 struct ldapsam_privates *ldap_state =
2155 (struct ldapsam_privates *)methods->private_data;
2156 LDAPMessage *result = NULL;
2157 LDAPMessage *entry = NULL;
2158 int count;
2159
2160 if (ldapsam_search_one_group(ldap_state, filter, &result)
2161 != LDAP_SUCCESS) {
2162 return NT_STATUS_NO_SUCH_GROUP;
2163 }
2164
2165 count = ldap_count_entries(priv2ld(ldap_state), result);
2166
2167 if (count < 1) {
2168 DEBUG(4, ("ldapsam_getgroup: Did not find group\n"));
2169 ldap_msgfree(result);
2170 return NT_STATUS_NO_SUCH_GROUP;
2171 }
2172
2173 if (count > 1) {
2174 DEBUG(1, ("ldapsam_getgroup: Duplicate entries for filter %s: "
2175 "count=%d\n", filter, count));
2176 ldap_msgfree(result);
2177 return NT_STATUS_NO_SUCH_GROUP;
2178 }
2179
2180 entry = ldap_first_entry(priv2ld(ldap_state), result);
2181
2182 if (!entry) {
2183 ldap_msgfree(result);
2184 return NT_STATUS_UNSUCCESSFUL;
2185 }
2186
2187 if (!init_group_from_ldap(ldap_state, map, entry)) {
2188 DEBUG(1, ("ldapsam_getgroup: init_group_from_ldap failed for "
2189 "group filter %s\n", filter));
2190 ldap_msgfree(result);
2191 return NT_STATUS_NO_SUCH_GROUP;
2192 }
2193
2194 ldap_msgfree(result);
2195 return NT_STATUS_OK;
2196 }
2197
2198 /**********************************************************************
2199 *********************************************************************/
2200
2201 static NTSTATUS ldapsam_getgrsid(struct pdb_methods *methods, GROUP_MAP *map,
2202 DOM_SID sid)
2203 {
2204 pstring filter;
2205
2206 pstr_sprintf(filter, "(&(objectClass=%s)(%s=%s))",
2207 LDAP_OBJ_GROUPMAP,
2208 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GROUP_SID),
2209 sid_string_static(&sid));
2210
2211 return ldapsam_getgroup(methods, filter, map);
2212 }
2213
2214 /**********************************************************************
2215 *********************************************************************/
2216
2217 static NTSTATUS ldapsam_getgrgid(struct pdb_methods *methods, GROUP_MAP *map,
2218 gid_t gid)
2219 {
2220 pstring filter;
2221
2222 pstr_sprintf(filter, "(&(objectClass=%s)(%s=%lu))",
2223 LDAP_OBJ_GROUPMAP,
2224 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GIDNUMBER),
2225 (unsigned long)gid);
2226
2227 return ldapsam_getgroup(methods, filter, map);
2228 }
2229
2230 /**********************************************************************
2231 *********************************************************************/
2232
2233 static NTSTATUS ldapsam_getgrnam(struct pdb_methods *methods, GROUP_MAP *map,
2234 const char *name)
2235 {
2236 pstring filter;
2237 char *escape_name = escape_ldap_string_alloc(name);
2238
2239 if (!escape_name) {
2240 return NT_STATUS_NO_MEMORY;
2241 }
2242
2243 pstr_sprintf(filter, "(&(objectClass=%s)(|(%s=%s)(%s=%s)))",
2244 LDAP_OBJ_GROUPMAP,
2245 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_DISPLAY_NAME), escape_name,
2246 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_CN), escape_name);
2247
2248 SAFE_FREE(escape_name);
2249
2250 return ldapsam_getgroup(methods, filter, map);
2251 }
2252
2253 static void add_rid_to_array_unique(TALLOC_CTX *mem_ctx,
2254 uint32 rid, uint32 **pp_rids, size_t *p_num)
2255 {
2256 size_t i;
2257
2258 for (i=0; i<*p_num; i++) {
2259 if ((*pp_rids)[i] == rid)
2260 return;
2261 }
2262
2263 *pp_rids = TALLOC_REALLOC_ARRAY(mem_ctx, *pp_rids, uint32, *p_num+1);
2264
2265 if (*pp_rids == NULL)
2266 return;
2267
2268 (*pp_rids)[*p_num] = rid;
2269 *p_num += 1;
2270 }
2271
2272 static BOOL ldapsam_extract_rid_from_entry(LDAP *ldap_struct,
2273 LDAPMessage *entry,
2274 const DOM_SID *domain_sid,
2275 uint32 *rid)
2276 {
2277 fstring str;
2278 DOM_SID sid;
2279
2280 if (!smbldap_get_single_attribute(ldap_struct, entry, "sambaSID",
2281 str, sizeof(str)-1)) {
2282 DEBUG(10, ("Could not find sambaSID attribute\n"));
2283 return False;
2284 }
2285
2286 if (!string_to_sid(&sid, str)) {
2287 DEBUG(10, ("Could not convert string %s to sid\n", str));
2288 return False;
2289 }
2290
2291 if (sid_compare_domain(&sid, domain_sid) != 0) {
2292 DEBUG(10, ("SID %s is not in expected domain %s\n",
2293 str, sid_string_static(domain_sid)));
2294 return False;
2295 }
2296
2297 if (!sid_peek_rid(&sid, rid)) {
2298 DEBUG(10, ("Could not peek into RID\n"));
2299 return False;
2300 }
2301
2302 return True;
2303 }
2304
2305 static NTSTATUS ldapsam_enum_group_members(struct pdb_methods *methods,
2306 TALLOC_CTX *mem_ctx,
2307 const DOM_SID *group,
2308 uint32 **pp_member_rids,
2309 size_t *p_num_members)
2310 {
2311 struct ldapsam_privates *ldap_state =
2312 (struct ldapsam_privates *)methods->private_data;
2313 struct smbldap_state *conn = ldap_state->smbldap_state;
2314 const char *id_attrs[] = { "memberUid", "gidNumber", NULL };
2315 const char *sid_attrs[] = { "sambaSID", NULL };
2316 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2317 LDAPMessage *result = NULL;
2318 LDAPMessage *entry;
2319 char *filter;
2320 char **values = NULL;
2321 char **memberuid;
2322 char *gidstr;
2323 int rc, count;
2324
2325 *pp_member_rids = NULL;
2326 *p_num_members = 0;
2327
2328 filter = talloc_asprintf(mem_ctx,
2329 "(&(objectClass=sambaGroupMapping)"
2330 "(objectClass=posixGroup)"
2331 "(sambaSID=%s))",
2332 sid_string_static(group));
2333
2334 rc = smbldap_search(conn, lp_ldap_group_suffix(),
2335 LDAP_SCOPE_SUBTREE, filter, id_attrs, 0,
2336 &result);
2337
2338 if (rc != LDAP_SUCCESS)
2339 goto done;
2340
2341 talloc_autofree_ldapmsg(mem_ctx, result);
2342
2343 count = ldap_count_entries(conn->ldap_struct, result);
2344
2345 if (count > 1) {
2346 DEBUG(1, ("Found more than one groupmap entry for %s\n",
2347 sid_string_static(group)));
2348 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2349 goto done;
2350 }
2351
2352 if (count == 0) {
2353 ret = NT_STATUS_NO_SUCH_GROUP;
2354 goto done;
2355 }
2356
2357 entry = ldap_first_entry(conn->ldap_struct, result);
2358 if (entry == NULL)
2359 goto done;
2360
2361 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", mem_ctx);
2362 if (!gidstr) {
2363 DEBUG (0, ("ldapsam_enum_group_members: Unable to find the group's gid!\n"));
2364 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2365 goto done;
2366 }
2367
2368 values = ldap_get_values(conn->ldap_struct, entry, "memberUid");
2369
2370 if (values) {
2371
2372 filter = talloc_strdup(mem_ctx, "(&(objectClass=sambaSamAccount)(|");
2373 if (filter == NULL) {
2374 ret = NT_STATUS_NO_MEMORY;
2375 goto done;
2376 }
2377
2378 for (memberuid = values; *memberuid != NULL; memberuid += 1) {
2379 filter = talloc_asprintf_append(filter, "(uid=%s)", *memberuid);
2380 if (filter == NULL) {
2381 ret = NT_STATUS_NO_MEMORY;
2382 goto done;
2383 }
2384 }
2385
2386 filter = talloc_asprintf_append(filter, "))");
2387 if (filter == NULL) {
2388 ret = NT_STATUS_NO_MEMORY;
2389 goto done;
2390 }
2391
2392 rc = smbldap_search(conn, lp_ldap_user_suffix(),
2393 LDAP_SCOPE_SUBTREE, filter, sid_attrs, 0,
2394 &result);
2395
2396 if (rc != LDAP_SUCCESS)
2397 goto done;
2398
2399 count = ldap_count_entries(conn->ldap_struct, result);
2400 DEBUG(10,("ldapsam_enum_group_members: found %d accounts\n", count));
2401
2402 talloc_autofree_ldapmsg(mem_ctx, result);
2403
2404 for (entry = ldap_first_entry(conn->ldap_struct, result);
2405 entry != NULL;
2406 entry = ldap_next_entry(conn->ldap_struct, entry))
2407 {
2408 char *sidstr;
2409 DOM_SID sid;
2410 uint32 rid;
2411
2412 sidstr = smbldap_talloc_single_attribute(conn->ldap_struct,
2413 entry, "sambaSID",
2414 mem_ctx);
2415 if (!sidstr) {
2416 DEBUG(0, ("Severe DB error, sambaSamAccount can't miss "
2417 "the sambaSID attribute\n"));
2418 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2419 goto done;
2420 }
2421
2422 if (!string_to_sid(&sid, sidstr))
2423 goto done;
2424
2425 if (!sid_check_is_in_our_domain(&sid)) {
2426 DEBUG(0, ("Inconsistent SAM -- group member uid not "
2427 "in our domain\n"));
2428 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2429 goto done;
2430 }
2431
2432 sid_peek_rid(&sid, &rid);
2433
2434 add_rid_to_array_unique(mem_ctx, rid, pp_member_rids,
2435 p_num_members);
2436 }
2437 }
2438
2439 filter = talloc_asprintf(mem_ctx,
2440 "(&(objectClass=sambaSamAccount)"
2441 "(gidNumber=%s))", gidstr);
2442
2443 rc = smbldap_search(conn, lp_ldap_user_suffix(),
2444 LDAP_SCOPE_SUBTREE, filter, sid_attrs, 0,
2445 &result);
2446
2447 if (rc != LDAP_SUCCESS)
2448 goto done;
2449
2450 talloc_autofree_ldapmsg(mem_ctx, result);
2451
2452 for (entry = ldap_first_entry(conn->ldap_struct, result);
2453 entry != NULL;
2454 entry = ldap_next_entry(conn->ldap_struct, entry))
2455 {
2456 uint32 rid;
2457
2458 if (!ldapsam_extract_rid_from_entry(conn->ldap_struct,
2459 entry,
2460 get_global_sam_sid(),
2461 &rid)) {
2462 DEBUG(0, ("Severe DB error, sambaSamAccount can't miss "
2463 "the sambaSID attribute\n"));
2464 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2465 goto done;
2466 }
2467
2468 add_rid_to_array_unique(mem_ctx, rid, pp_member_rids,
2469 p_num_members);
2470 }
2471
2472 ret = NT_STATUS_OK;
2473
2474 done:
2475
2476 if (values)
2477 ldap_value_free(values);
2478
2479 return ret;
2480 }
2481
2482 static NTSTATUS ldapsam_enum_group_memberships(struct pdb_methods *methods,
2483 TALLOC_CTX *mem_ctx,
2484 struct samu *user,
2485 DOM_SID **pp_sids,
2486 gid_t **pp_gids,
2487 size_t *p_num_groups)
2488 {
2489 struct ldapsam_privates *ldap_state =
2490 (struct ldapsam_privates *)methods->private_data;
2491 struct smbldap_state *conn = ldap_state->smbldap_state;
2492 pstring filter;
2493 const char *attrs[] = { "gidNumber", "sambaSID", NULL };
2494 char *escape_name;
2495 int rc;
2496 LDAPMessage *msg = NULL;
2497 LDAPMessage *entry;
2498 NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
2499 size_t num_sids, num_gids;
2500 gid_t primary_gid;
2501
2502 *pp_sids = NULL;
2503 num_sids = 0;
2504
2505 if (!sid_to_gid(pdb_get_group_sid(user), &primary_gid)) {
2506 DEBUG(1, ("sid_to_gid failed for user's primary group\n"));
2507 return NT_STATUS_INTERNAL_DB_CORRUPTION;
2508 }
2509
2510 escape_name = escape_ldap_string_alloc(pdb_get_username(user));
2511
2512 if (escape_name == NULL)
2513 return NT_STATUS_NO_MEMORY;
2514
2515 pstr_sprintf(filter, "(&(objectClass=posixGroup)"
2516 "(|(memberUid=%s)(gidNumber=%d)))",
2517 escape_name, primary_gid);
2518
2519 rc = smbldap_search(conn, lp_ldap_group_suffix(),
2520 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &msg);
2521
2522 if (rc != LDAP_SUCCESS)
2523 goto done;
2524
2525 num_gids = 0;
2526 *pp_gids = NULL;
2527
2528 num_sids = 0;
2529 *pp_sids = NULL;
2530
2531 /* We need to add the primary group as the first gid/sid */
2532
2533 add_gid_to_array_unique(mem_ctx, primary_gid, pp_gids, &num_gids);
2534
2535 /* This sid will be replaced later */
2536
2537 add_sid_to_array_unique(mem_ctx, &global_sid_NULL, pp_sids, &num_sids);
2538
2539 for (entry = ldap_first_entry(conn->ldap_struct, msg);
2540 entry != NULL;
2541 entry = ldap_next_entry(conn->ldap_struct, entry))
2542 {
2543 fstring str;
2544 DOM_SID sid;
2545 gid_t gid;
2546 char *end;
2547
2548 if (!smbldap_get_single_attribute(conn->ldap_struct,
2549 entry, "sambaSID",
2550 str, sizeof(str)-1))
2551 continue;
2552
2553 if (!string_to_sid(&sid, str))
2554 goto done;
2555
2556 if (!smbldap_get_single_attribute(conn->ldap_struct,
2557 entry, "gidNumber",
2558 str, sizeof(str)-1))
2559 continue;
2560
2561 gid = strtoul(str, &end, 10);
2562
2563 if (PTR_DIFF(end, str) != strlen(str))
2564 goto done;
2565
2566 if (gid == primary_gid) {
2567 sid_copy(&(*pp_sids)[0], &sid);
2568 } else {
2569 add_gid_to_array_unique(mem_ctx, gid, pp_gids,
2570 &num_gids);
2571 add_sid_to_array_unique(mem_ctx, &sid, pp_sids,
2572 &num_sids);
2573 }
2574 }
2575
2576 if (sid_compare(&global_sid_NULL, &(*pp_sids)[0]) == 0) {
2577 DEBUG(3, ("primary group of [%s] not found\n",
2578 pdb_get_username(user)));
2579 goto done;
2580 }
2581
2582 *p_num_groups = num_sids;
2583
2584 result = NT_STATUS_OK;
2585
2586 done:
2587
2588 SAFE_FREE(escape_name);
2589 if (msg != NULL)
2590 ldap_msgfree(msg);
2591
2592 return result;
2593 }
2594
2595 /**********************************************************************
2596 * Augment a posixGroup object with a sambaGroupMapping domgroup
2597 *********************************************************************/
2598
2599 static NTSTATUS ldapsam_map_posixgroup(TALLOC_CTX *mem_ctx,
2600 struct ldapsam_privates *ldap_state,
2601 GROUP_MAP *map)
2602 {
2603 const char *filter, *dn;
2604 LDAPMessage *msg, *entry;
2605 LDAPMod **mods;
2606 int rc;
2607
2608 filter = talloc_asprintf(mem_ctx,
2609 "(&(objectClass=posixGroup)(gidNumber=%u))",
2610 map->gid);
2611 if (filter == NULL) {
2612 return NT_STATUS_NO_MEMORY;
2613 }
2614
2615 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter,
2616 get_attr_list(mem_ctx, groupmap_attr_list),
2617 &msg);
2618 talloc_autofree_ldapmsg(mem_ctx, msg);
2619
2620 if ((rc != LDAP_SUCCESS) ||
2621 (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) != 1) ||
2622 ((entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg)) == NULL)) {
2623 return NT_STATUS_NO_SUCH_GROUP;
2624 }
2625
2626 dn = smbldap_talloc_dn(mem_ctx, ldap_state->smbldap_state->ldap_struct, entry);
2627 if (dn == NULL) {
2628 return NT_STATUS_NO_MEMORY;
2629 }
2630
2631 mods = NULL;
2632 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass",
2633 "sambaGroupMapping");
2634 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "sambaSid",
2635 sid_string_static(&map->sid));
2636 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "sambaGroupType",
2637 talloc_asprintf(mem_ctx, "%d", map->sid_name_use));
2638 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "displayName",
2639 map->nt_name);
2640 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "description",
2641 map->comment);
2642 talloc_autofree_ldapmod(mem_ctx, mods);
2643
2644 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
2645 if (rc != LDAP_SUCCESS) {
2646 return NT_STATUS_ACCESS_DENIED;
2647 }
2648
2649 return NT_STATUS_OK;
2650 }
2651
2652 static NTSTATUS ldapsam_add_group_mapping_entry(struct pdb_methods *methods,
2653 GROUP_MAP *map)
2654 {
2655 struct ldapsam_privates *ldap_state =
2656 (struct ldapsam_privates *)methods->private_data;
2657 LDAPMessage *msg = NULL;
2658 LDAPMod **mods = NULL;
2659 const char *attrs[] = { NULL };
2660 char *filter;
2661
2662 char *dn;
2663 TALLOC_CTX *mem_ctx;
2664 NTSTATUS result;
2665
2666 DOM_SID sid;
2667
2668 int rc;
2669
2670 mem_ctx = talloc_new(NULL);
2671 if (mem_ctx == NULL) {
2672 DEBUG(0, ("talloc_new failed\n"));
2673 return NT_STATUS_NO_MEMORY;
2674 }
2675
2676 filter = talloc_asprintf(mem_ctx, "(sambaSid=%s)",
2677 sid_string_static(&map->sid));
2678 if (filter == NULL) {
2679 result = NT_STATUS_NO_MEMORY;
2680 goto done;
2681 }
2682
2683 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_suffix(),
2684 LDAP_SCOPE_SUBTREE, filter, attrs, True, &msg);
2685 talloc_autofree_ldapmsg(mem_ctx, msg);
2686
2687 if ((rc == LDAP_SUCCESS) &&
2688 (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) > 0)) {
2689
2690 DEBUG(3, ("SID %s already present in LDAP, refusing to add "
2691 "group mapping entry\n",
2692 sid_string_static(&map->sid)));
2693 result = NT_STATUS_GROUP_EXISTS;
2694 goto done;
2695 }
2696
2697 switch (map->sid_name_use) {
2698
2699 case SID_NAME_DOM_GRP:
2700 /* To map a domain group we need to have a posix group
2701 to attach to. */
2702 result = ldapsam_map_posixgroup(mem_ctx, ldap_state, map);
2703 goto done;
2704 break;
2705
2706 case SID_NAME_ALIAS:
2707 if (!sid_check_is_in_our_domain(&map->sid)) {
2708 DEBUG(3, ("Refusing to map sid %s as an alias, not "
2709 "in our domain\n",
2710 sid_string_static(&map->sid)));
2711 result = NT_STATUS_INVALID_PARAMETER;
2712 goto done;
2713 }
2714 break;
2715
2716 case SID_NAME_WKN_GRP:
2717 if (!sid_check_is_in_builtin(&map->sid)) {
2718 DEBUG(3, ("Refusing to map sid %s as an alias, not "
2719 "in builtin domain\n",
2720 sid_string_static(&map->sid)));
2721 result = NT_STATUS_INVALID_PARAMETER;
2722 goto done;
2723 }
2724 break;
2725
2726 default:
2727 DEBUG(3, ("Got invalid use '%s' for mapping\n",
2728 sid_type_lookup(map->sid_name_use)));
2729 result = NT_STATUS_INVALID_PARAMETER;
2730 goto done;
2731 }
2732
2733 /* Domain groups have been mapped in a separate routine, we have to
2734 * create an alias now */
2735
2736 if (map->gid == -1) {
2737 DEBUG(10, ("Refusing to map gid==-1\n"));
2738 result = NT_STATUS_INVALID_PARAMETER;
2739 goto done;
2740 }
2741
2742 if (pdb_gid_to_sid(map->gid, &sid)) {
2743 DEBUG(3, ("Gid %d is already mapped to SID %s, refusing to "
2744 "add\n", map->gid, sid_string_static(&sid)));
2745 result = NT_STATUS_GROUP_EXISTS;
2746 goto done;
2747 }
2748
2749 /* Ok, enough checks done. It's still racy to go ahead now, but that's
2750 * the best we can get out of LDAP. */
2751
2752 dn = talloc_asprintf(mem_ctx, "sambaSid=%s,%s",
2753 sid_string_static(&map->sid),
2754 lp_ldap_group_suffix());
2755 if (dn == NULL) {
2756 result = NT_STATUS_NO_MEMORY;
2757 goto done;
2758 }
2759
2760 mods = NULL;
2761
2762 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "objectClass",
2763 "sambaSidEntry");
2764 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "objectClass",
2765 "sambaGroupMapping");
2766
2767 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "sambaSid",
2768 sid_string_static(&map->sid));
2769 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "sambaGroupType",
2770 talloc_asprintf(mem_ctx, "%d", map->sid_name_use));
2771 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "displayName",
2772 map->nt_name);
2773 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "description",
2774 map->comment);
2775 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "gidNumber",
2776 talloc_asprintf(mem_ctx, "%u", map->gid));
2777 talloc_autofree_ldapmod(mem_ctx, mods);
2778
2779 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
2780
2781 result = (rc == LDAP_SUCCESS) ?
2782 NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
2783
2784 done:
2785 TALLOC_FREE(mem_ctx);
2786 return result;
2787 }
2788
2789 /**********************************************************************
2790 * Update a group mapping entry. We're quite strict about what can be changed:
2791 * Only the description and displayname may be changed. It simply does not
2792 * make any sense to change the SID, gid or the type in a mapping.
2793 *********************************************************************/
2794
2795 static NTSTATUS ldapsam_update_group_mapping_entry(struct pdb_methods *methods,
2796 GROUP_MAP *map)
2797 {
2798 struct ldapsam_privates *ldap_state =
2799 (struct ldapsam_privates *)methods->private_data;
2800 int rc;
2801 const char *filter, *dn;
2802 LDAPMessage *msg = NULL;
2803 LDAPMessage *entry = NULL;
2804 LDAPMod **mods = NULL;
2805 TALLOC_CTX *mem_ctx;
2806 NTSTATUS result;
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 /* Make 100% sure that sid, gid and type are not changed by looking up
2815 * exactly the values we're given in LDAP. */
2816
2817 filter = talloc_asprintf(mem_ctx, "(&(objectClass=sambaGroupMapping)"
2818 "(sambaSid=%s)(gidNumber=%u)"
2819 "(sambaGroupType=%d))",
2820 sid_string_static(&map->sid), map->gid,
2821 map->sid_name_use);
2822 if (filter == NULL) {
2823 result = NT_STATUS_NO_MEMORY;
2824 goto done;
2825 }
2826
2827 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter,
2828 get_attr_list(mem_ctx, groupmap_attr_list),
2829 &msg);
2830 talloc_autofree_ldapmsg(mem_ctx, msg);
2831
2832 if ((rc != LDAP_SUCCESS) ||
2833 (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) != 1) ||
2834 ((entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg)) == NULL)) {
2835 result = NT_STATUS_NO_SUCH_GROUP;
2836 goto done;
2837 }
2838
2839 dn = smbldap_talloc_dn(mem_ctx, ldap_state->smbldap_state->ldap_struct, entry);
2840
2841 if (dn == NULL) {
2842 result = NT_STATUS_NO_MEMORY;
2843 goto done;
2844 }
2845
2846 mods = NULL;
2847 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "displayName",
2848 map->nt_name);
2849 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "description",
2850 map->comment);
2851 talloc_autofree_ldapmod(mem_ctx, mods);
2852
2853 if (mods == NULL) {
2854 DEBUG(4, ("ldapsam_update_group_mapping_entry: mods is empty: "
2855 "nothing to do\n"));
2856 result = NT_STATUS_OK;
2857 goto done;
2858 }
2859
2860 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
2861
2862 if (rc != LDAP_SUCCESS) {
2863 result = NT_STATUS_ACCESS_DENIED;
2864 goto done;
2865 }
2866
2867 DEBUG(2, ("ldapsam_update_group_mapping_entry: successfully modified "
2868 "group %lu in LDAP\n", (unsigned long)map->gid));
2869
2870 result = NT_STATUS_OK;
2871
2872 done:
2873 TALLOC_FREE(mem_ctx);
2874 return result;
2875 }
2876
2877 /**********************************************************************
2878 *********************************************************************/
2879
2880 static NTSTATUS ldapsam_delete_group_mapping_entry(struct pdb_methods *methods,
2881 DOM_SID sid)
2882 {
2883 struct ldapsam_privates *priv =
2884 (struct ldapsam_privates *)methods->private_data;
2885 LDAPMessage *msg, *entry;
2886 int rc;
2887 NTSTATUS result;
2888 TALLOC_CTX *mem_ctx;
2889 char *filter;
2890
2891 mem_ctx = talloc_new(NULL);
2892 if (mem_ctx == NULL) {
2893 DEBUG(0, ("talloc_new failed\n"));
2894 return NT_STATUS_NO_MEMORY;
2895 }
2896
2897 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)(%s=%s))",
2898 LDAP_OBJ_GROUPMAP, LDAP_ATTRIBUTE_SID,
2899 sid_string_static(&sid));
2900 if (filter == NULL) {
2901 result = NT_STATUS_NO_MEMORY;
2902 goto done;
2903 }
2904 rc = smbldap_search_suffix(priv->smbldap_state, filter,
2905 get_attr_list(mem_ctx, groupmap_attr_list),
2906 &msg);
2907 talloc_autofree_ldapmsg(mem_ctx, msg);
2908
2909 if ((rc != LDAP_SUCCESS) ||
2910 (ldap_count_entries(priv2ld(priv), msg) != 1) ||
2911 ((entry = ldap_first_entry(priv2ld(priv), msg)) == NULL)) {
2912 result = NT_STATUS_NO_SUCH_GROUP;
2913 goto done;
2914 }
2915
2916 rc = ldapsam_delete_entry(priv, mem_ctx, entry, LDAP_OBJ_GROUPMAP,
2917 get_attr_list(mem_ctx,
2918 groupmap_attr_list_to_delete));
2919
2920 if ((rc == LDAP_NAMING_VIOLATION) ||
2921 (rc == LDAP_OBJECT_CLASS_VIOLATION)) {
2922 const char *attrs[] = { "sambaGroupType", "description",
2923 "displayName", "sambaSIDList",
2924 NULL };
2925
2926 /* Second try. Don't delete the sambaSID attribute, this is
2927 for "old" entries that are tacked on a winbind
2928 sambaIdmapEntry. */
2929
2930 rc = ldapsam_delete_entry(priv, mem_ctx, entry,
2931 LDAP_OBJ_GROUPMAP, attrs);
2932 }
2933
2934 if ((rc == LDAP_NAMING_VIOLATION) ||
2935 (rc == LDAP_OBJECT_CLASS_VIOLATION)) {
2936 const char *attrs[] = { "sambaGroupType", "description",
2937 "displayName", "sambaSIDList",
2938 "gidNumber", NULL };
2939
2940 /* Third try. This is a post-3.0.21 alias (containing only
2941 * sambaSidEntry and sambaGroupMapping classes), we also have
2942 * to delete the gidNumber attribute, only the sambaSidEntry
2943 * remains */
2944
2945 rc = ldapsam_delete_entry(priv, mem_ctx, entry,
2946 LDAP_OBJ_GROUPMAP, attrs);
2947 }
2948
2949 result = (rc == LDAP_SUCCESS) ? NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL;
2950
2951 done:
2952 TALLOC_FREE(mem_ctx);
2953 return result;
2954 }
2955
2956 /**********************************************************************
2957 *********************************************************************/
2958
2959 static NTSTATUS ldapsam_setsamgrent(struct pdb_methods *my_methods,
2960 BOOL update)
2961 {
2962 struct ldapsam_privates *ldap_state =
2963 (struct ldapsam_privates *)my_methods->private_data;
2964 fstring filter;
2965 int rc;
2966 const char **attr_list;
2967
2968 pstr_sprintf( filter, "(objectclass=%s)", LDAP_OBJ_GROUPMAP);
2969 attr_list = get_attr_list( NULL, groupmap_attr_list );
2970 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_group_suffix(),
2971 LDAP_SCOPE_SUBTREE, filter,
2972 attr_list, 0, &ldap_state->result);
2973 TALLOC_FREE(attr_list);
2974
2975 if (rc != LDAP_SUCCESS) {
2976 DEBUG(0, ("ldapsam_setsamgrent: LDAP search failed: %s\n",
2977 ldap_err2string(rc)));
2978 DEBUG(3, ("ldapsam_setsamgrent: Query was: %s, %s\n",
2979 lp_ldap_group_suffix(), filter));
2980 ldap_msgfree(ldap_state->result);
2981 ldap_state->result = NULL;
2982 return NT_STATUS_UNSUCCESSFUL;
2983 }
2984
2985 DEBUG(2, ("ldapsam_setsamgrent: %d entries in the base!\n",
2986 ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
2987 ldap_state->result)));
2988
2989 ldap_state->entry =
2990 ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
2991 ldap_state->result);
2992 ldap_state->index = 0;
2993
2994 return NT_STATUS_OK;
2995 }
2996
2997 /**********************************************************************
2998 *********************************************************************/
2999
3000 static void ldapsam_endsamgrent(struct pdb_methods *my_methods)
3001 {
3002 ldapsam_endsampwent(my_methods);
3003 }
3004
3005 /**********************************************************************
3006 *********************************************************************/
3007
3008 static NTSTATUS ldapsam_getsamgrent(struct pdb_methods *my_methods,
3009 GROUP_MAP *map)
3010 {
3011 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
3012 struct ldapsam_privates *ldap_state =
3013 (struct ldapsam_privates *)my_methods->private_data;
3014 BOOL bret = False;
3015
3016 while (!bret) {
3017 if (!ldap_state->entry)
3018 return ret;
3019
3020 ldap_state->index++;
3021 bret = init_group_from_ldap(ldap_state, map,
3022 ldap_state->entry);
3023
3024 ldap_state->entry =
3025 ldap_next_entry(ldap_state->smbldap_state->ldap_struct,
3026 ldap_state->entry);
3027 }
3028
3029 return NT_STATUS_OK;
3030 }
3031
3032 /**********************************************************************
3033 *********************************************************************/
3034
3035 static NTSTATUS ldapsam_enum_group_mapping(struct pdb_methods *methods,
3036 enum SID_NAME_USE sid_name_use,
3037 GROUP_MAP **pp_rmap,
3038 size_t *p_num_entries,
3039 BOOL unix_only)
3040 {
3041 GROUP_MAP map;
3042 GROUP_MAP *mapt;
3043 size_t entries = 0;
3044
3045 *p_num_entries = 0;
3046 *pp_rmap = NULL;
3047
3048 if (!NT_STATUS_IS_OK(ldapsam_setsamgrent(methods, False))) {
3049 DEBUG(0, ("ldapsam_enum_group_mapping: Unable to open "
3050 "passdb\n"));
3051 return NT_STATUS_ACCESS_DENIED;
3052 }
3053
3054 while (NT_STATUS_IS_OK(ldapsam_getsamgrent(methods, &map))) {
3055 if (sid_name_use != SID_NAME_UNKNOWN &&
3056 sid_name_use != map.sid_name_use) {
3057 DEBUG(11,("ldapsam_enum_group_mapping: group %s is "
3058 "not of the requested type\n", map.nt_name));
3059 continue;
3060 }
3061 if (unix_only==ENUM_ONLY_MAPPED && map.gid==-1) {
3062 DEBUG(11,("ldapsam_enum_group_mapping: group %s is "
3063 "non mapped\n", map.nt_name));
3064 continue;
3065 }
3066
3067 mapt=SMB_REALLOC_ARRAY((*pp_rmap), GROUP_MAP, entries+1);
3068 if (!mapt) {
3069 DEBUG(0,("ldapsam_enum_group_mapping: Unable to "
3070 "enlarge group map!\n"));
3071 SAFE_FREE(*pp_rmap);
3072 return NT_STATUS_UNSUCCESSFUL;
3073 }
3074 else
3075 (*pp_rmap) = mapt;
3076
3077 mapt[entries] = map;
3078
3079 entries += 1;
3080
3081 }
3082 ldapsam_endsamgrent(methods);
3083
3084 *p_num_entries = entries;
3085
3086 return NT_STATUS_OK;
3087 }
3088
3089 static NTSTATUS ldapsam_modify_aliasmem(struct pdb_methods *methods,
3090 const DOM_SID *alias,
3091 const DOM_SID *member,
3092 int modop)
3093 {
3094 struct ldapsam_privates *ldap_state =
3095 (struct ldapsam_privates *)methods->private_data;
3096 char *dn;
3097 LDAPMessage *result = NULL;
3098 LDAPMessage *entry = NULL;
3099 int count;
3100 LDAPMod **mods = NULL;
3101 int rc;
3102 enum SID_NAME_USE type = SID_NAME_USE_NONE;
3103
3104 pstring filter;
3105
3106 if (sid_check_is_in_builtin(alias)) {
3107 type = SID_NAME_WKN_GRP;
3108 }
3109
3110 if (sid_check_is_in_our_domain(alias)) {
3111 type = SID_NAME_ALIAS;
3112 }
3113
3114 if (type == SID_NAME_USE_NONE) {
3115 DEBUG(5, ("SID %s is neither in builtin nor in our domain!\n",
3116 sid_string_static(alias)));
3117 return NT_STATUS_NO_SUCH_ALIAS;
3118 }
3119
3120 pstr_sprintf(filter,
3121 "(&(objectClass=%s)(sambaSid=%s)(sambaGroupType=%d))",
3122 LDAP_OBJ_GROUPMAP, sid_string_static(alias),
3123 type);
3124
3125 if (ldapsam_search_one_group(ldap_state, filter,
3126 &result) != LDAP_SUCCESS)
3127 return NT_STATUS_NO_SUCH_ALIAS;
3128
3129 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3130 result);
3131
3132 if (count < 1) {
3133 DEBUG(4, ("ldapsam_modify_aliasmem: Did not find alias\n"));
3134 ldap_msgfree(result);
3135 return NT_STATUS_NO_SUCH_ALIAS;
3136 }
3137
3138 if (count > 1) {
3139 DEBUG(1, ("ldapsam_modify_aliasmem: Duplicate entries for "
3140 "filter %s: count=%d\n", filter, count));
3141 ldap_msgfree(result);
3142 return NT_STATUS_NO_SUCH_ALIAS;
3143 }
3144
3145 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3146 result);
3147
3148 if (!entry) {
3149 ldap_msgfree(result);
3150 return NT_STATUS_UNSUCCESSFUL;
3151 }
3152
3153 dn = smbldap_get_dn(ldap_state->smbldap_state->ldap_struct, entry);
3154 if (!dn) {
3155 ldap_msgfree(result);
3156 return NT_STATUS_UNSUCCESSFUL;
3157 }
3158
3159 smbldap_set_mod(&mods, modop,
3160 get_attr_key2string(groupmap_attr_list,
3161 LDAP_ATTR_SID_LIST),
3162 sid_string_static(member));
3163
3164 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3165
3166 ldap_mods_free(mods, True);
3167 ldap_msgfree(result);
3168 SAFE_FREE(dn);
3169
3170 if (rc == LDAP_TYPE_OR_VALUE_EXISTS) {
3171 return NT_STATUS_MEMBER_IN_ALIAS;
3172 }
3173
3174 if (rc == LDAP_NO_SUCH_ATTRIBUTE) {
3175 return NT_STATUS_MEMBER_NOT_IN_ALIAS;
3176 }
3177
3178 if (rc != LDAP_SUCCESS) {
3179 return NT_STATUS_UNSUCCESSFUL;
3180 }
3181
3182 return NT_STATUS_OK;
3183 }
3184
3185 static NTSTATUS ldapsam_add_aliasmem(struct pdb_methods *methods,
3186 const DOM_SID *alias,
3187 const DOM_SID *member)
3188 {
3189 return ldapsam_modify_aliasmem(methods, alias, member, LDAP_MOD_ADD);
3190 }
3191
3192 static NTSTATUS ldapsam_del_aliasmem(struct pdb_methods *methods,
3193 const DOM_SID *alias,
3194 const DOM_SID *member)
3195 {
3196 return ldapsam_modify_aliasmem(methods, alias, member,
3197 LDAP_MOD_DELETE);
3198 }
3199
3200 static NTSTATUS ldapsam_enum_aliasmem(struct pdb_methods *methods,
3201 const DOM_SID *alias,
3202 DOM_SID **pp_members,
3203 size_t *p_num_members)
3204 {
3205 struct ldapsam_privates *ldap_state =
3206 (struct ldapsam_privates *)methods->private_data;
3207 LDAPMessage *result = NULL;
3208 LDAPMessage *entry = NULL;
3209 int count;
3210 char **values;
3211 int i;
3212 pstring filter;
3213 size_t num_members = 0;
3214 enum SID_NAME_USE type = SID_NAME_USE_NONE;
3215
3216 *pp_members = NULL;
3217 *p_num_members = 0;
3218
3219 if (sid_check_is_in_builtin(alias)) {
3220 type = SID_NAME_WKN_GRP;
3221 }
3222
3223 if (sid_check_is_in_our_domain(alias)) {
3224 type = SID_NAME_ALIAS;
3225 }
3226
3227 if (type == SID_NAME_USE_NONE) {
3228 DEBUG(5, ("SID %s is neither in builtin nor in our domain!\n",
3229 sid_string_static(alias)));
3230 return NT_STATUS_NO_SUCH_ALIAS;
3231 }
3232
3233 pstr_sprintf(filter,
3234 "(&(objectClass=%s)(sambaSid=%s)(sambaGroupType=%d))",
3235 LDAP_OBJ_GROUPMAP, sid_string_static(alias),
3236 type);
3237
3238 if (ldapsam_search_one_group(ldap_state, filter,
3239 &result) != LDAP_SUCCESS)
3240 return NT_STATUS_NO_SUCH_ALIAS;
3241
3242 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3243 result);
3244
3245 if (count < 1) {
3246 DEBUG(4, ("ldapsam_enum_aliasmem: Did not find alias\n"));
3247 ldap_msgfree(result);
3248 return NT_STATUS_NO_SUCH_ALIAS;
3249 }
3250
3251 if (count > 1) {
3252 DEBUG(1, ("ldapsam_enum_aliasmem: Duplicate entries for "
3253 "filter %s: count=%d\n", filter, count));
3254 ldap_msgfree(result);
3255 return NT_STATUS_NO_SUCH_ALIAS;
3256 }
3257
3258 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3259 result);
3260
3261 if (!entry) {
3262 ldap_msgfree(result);
3263 return NT_STATUS_UNSUCCESSFUL;
3264 }
3265
3266 values = ldap_get_values(ldap_state->smbldap_state->ldap_struct,
3267 entry,
3268 get_attr_key2string(groupmap_attr_list,
3269 LDAP_ATTR_SID_LIST));
3270
3271 if (values == NULL) {
3272 ldap_msgfree(result);
3273 return NT_STATUS_OK;
3274 }
3275
3276 count = ldap_count_values(values);
3277
3278 for (i=0; i<count; i++) {
3279 DOM_SID member;
3280
3281 if (!string_to_sid(&member, values[i]))
3282 continue;
3283
3284 add_sid_to_array(NULL, &member, pp_members, &num_members);
3285 }
3286
3287 *p_num_members = num_members;
3288 ldap_value_free(values);
3289 ldap_msgfree(result);
3290
3291 return NT_STATUS_OK;
3292 }
3293
3294 static NTSTATUS ldapsam_alias_memberships(struct pdb_methods *methods,
3295 TALLOC_CTX *mem_ctx,
3296 const DOM_SID *domain_sid,
3297 const DOM_SID *members,
3298 size_t num_members,
3299 uint32 **pp_alias_rids,
3300 size_t *p_num_alias_rids)
3301 {
3302 struct ldapsam_privates *ldap_state =
3303 (struct ldapsam_privates *)methods->private_data;
3304 LDAP *ldap_struct;
3305
3306 const char *attrs[] = { LDAP_ATTRIBUTE_SID, NULL };
3307
3308 LDAPMessage *result = NULL;
3309 LDAPMessage *entry = NULL;
3310 int i;
3311 int rc;
3312 char *filter;
3313 enum SID_NAME_USE type = SID_NAME_USE_NONE;
3314
3315 if (sid_check_is_builtin(domain_sid)) {
3316 type = SID_NAME_WKN_GRP;
3317 }
3318
3319 if (sid_check_is_domain(domain_sid)) {
3320 type = SID_NAME_ALIAS;
3321 }
3322
3323 if (type == SID_NAME_USE_NONE) {
3324 DEBUG(5, ("SID %s is neither builtin nor domain!\n",
3325 sid_string_static(domain_sid)));
3326 return NT_STATUS_UNSUCCESSFUL;
3327 }
3328
3329 filter = talloc_asprintf(mem_ctx,
3330 "(&(|(objectclass=%s)(sambaGroupType=%d))(|",
3331 LDAP_OBJ_GROUPMAP, type);
3332
3333 for (i=0; i<num_members; i++)
3334 filter = talloc_asprintf(mem_ctx, "%s(sambaSIDList=%s)",
3335 filter,
3336 sid_string_static(&members[i]));
3337
3338 filter = talloc_asprintf(mem_ctx, "%s))", filter);
3339
3340 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_group_suffix(),
3341 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
3342
3343 if (rc != LDAP_SUCCESS)
3344 return NT_STATUS_UNSUCCESSFUL;
3345
3346 ldap_struct = ldap_state->smbldap_state->ldap_struct;
3347
3348 for (entry = ldap_first_entry(ldap_struct, result);
3349 entry != NULL;
3350 entry = ldap_next_entry(ldap_struct, entry))
3351 {
3352 fstring sid_str;
3353 DOM_SID sid;
3354 uint32 rid;
3355
3356 if (!smbldap_get_single_attribute(ldap_struct, entry,
3357 LDAP_ATTRIBUTE_SID,
3358 sid_str,
3359 sizeof(sid_str)-1))
3360 continue;
3361
3362 if (!string_to_sid(&sid, sid_str))
3363 continue;
3364
3365 if (!sid_peek_check_rid(domain_sid, &sid, &rid))
3366 continue;
3367
3368 add_rid_to_array_unique(mem_ctx, rid, pp_alias_rids,
3369 p_num_alias_rids);
3370 }
3371
3372 ldap_msgfree(result);
3373 return NT_STATUS_OK;
3374 }
3375
3376 static NTSTATUS ldapsam_set_account_policy_in_ldap(struct pdb_methods *methods,
3377 int policy_index,
3378 uint32 value)
3379 {
3380 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3381 int rc;
3382 LDAPMod **mods = NULL;
3383 fstring value_string;
3384 const char *policy_attr = NULL;
3385
3386 struct ldapsam_privates *ldap_state =
3387 (struct ldapsam_privates *)methods->private_data;
3388
3389 const char *attrs[2];
3390
3391 DEBUG(10,("ldapsam_set_account_policy_in_ldap\n"));
3392
3393 if (!ldap_state->domain_dn) {
3394 return NT_STATUS_INVALID_PARAMETER;
3395 }
3396
3397 policy_attr = get_account_policy_attr(policy_index);
3398 if (policy_attr == NULL) {
3399 DEBUG(0,("ldapsam_set_account_policy_in_ldap: invalid "
3400 "policy\n"));
3401 return ntstatus;
3402 }
3403
3404 attrs[0] = policy_attr;
3405 attrs[1] = NULL;
3406
3407 slprintf(value_string, sizeof(value_string) - 1, "%i", value);
3408
3409 smbldap_set_mod(&mods, LDAP_MOD_REPLACE, policy_attr, value_string);
3410
3411 rc = smbldap_modify(ldap_state->smbldap_state, ldap_state->domain_dn,
3412 mods);
3413
3414 ldap_mods_free(mods, True);
3415
3416 if (rc != LDAP_SUCCESS) {
3417 return ntstatus;
3418 }
3419
3420 if (!cache_account_policy_set(policy_index, value)) {
3421 DEBUG(0,("ldapsam_set_account_policy_in_ldap: failed to "
3422 "update local tdb cache\n"));
3423 return ntstatus;
3424 }
3425
3426 return NT_STATUS_OK;
3427 }
3428
3429 static NTSTATUS ldapsam_set_account_policy(struct pdb_methods *methods,
3430 int policy_index, uint32 value)
3431 {
3432 if (!account_policy_migrated(False)) {
3433 return (account_policy_set(policy_index, value)) ?
3434 NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL;
3435 }
3436
3437 return ldapsam_set_account_policy_in_ldap(methods, policy_index,
3438 value);
3439 }
3440
3441 static NTSTATUS ldapsam_get_account_policy_from_ldap(struct pdb_methods *methods,
3442 int policy_index,
3443 uint32 *value)
3444 {
3445 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3446 LDAPMessage *result = NULL;
3447 LDAPMessage *entry = NULL;
3448 int count;
3449 int rc;
3450 char **vals = NULL;
3451 const char *policy_attr = NULL;
3452
3453 struct ldapsam_privates *ldap_state =
3454 (struct ldapsam_privates *)methods->private_data;
3455
3456 const char *attrs[2];
3457
3458 DEBUG(10,("ldapsam_get_account_policy_from_ldap\n"));
3459
3460 if (!ldap_state->domain_dn) {
3461 return NT_STATUS_INVALID_PARAMETER;
3462 }
3463
3464 policy_attr = get_account_policy_attr(policy_index);
3465 if (!policy_attr) {
3466 DEBUG(0,("ldapsam_get_account_policy_from_ldap: invalid "
3467 "policy index: %d\n", policy_index));
3468 return ntstatus;
3469 }
3470
3471 attrs[0] = policy_attr;
3472 attrs[1] = NULL;
3473
3474 rc = smbldap_search(ldap_state->smbldap_state, ldap_state->domain_dn,
3475 LDAP_SCOPE_BASE, "(objectclass=*)", attrs, 0,
3476 &result);
3477
3478 if (rc != LDAP_SUCCESS) {
3479 return ntstatus;
3480 }
3481
3482 count = ldap_count_entries(priv2ld(ldap_state), result);
3483 if (count < 1) {
3484 goto out;
3485 }
3486
3487 entry = ldap_first_entry(priv2ld(ldap_state), result);
3488 if (entry == NULL) {
3489 goto out;
3490 }
3491
3492 vals = ldap_get_values(priv2ld(ldap_state), entry, policy_attr);
3493 if (vals == NULL) {
3494 goto out;
3495 }
3496
3497 *value = (uint32)atol(vals[0]);
3498
3499 ntstatus = NT_STATUS_OK;
3500
3501 out:
3502 if (vals)
3503 ldap_value_free(vals);
3504 ldap_msgfree(result);
3505
3506 return ntstatus;
3507 }
3508
3509 /* wrapper around ldapsam_get_account_policy_from_ldap(), handles tdb as cache
3510
3511 - if user hasn't decided to use account policies inside LDAP just reuse the
3512 old tdb values
3513
3514 - if there is a valid cache entry, return that
3515 - if there is an LDAP entry, update cache and return
3516 - otherwise set to default, update cache and return
3517
3518 Guenther
3519 */
3520 static NTSTATUS ldapsam_get_account_policy(struct pdb_methods *methods,
3521 int policy_index, uint32 *value)
3522 {
3523 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3524
3525 if (!account_policy_migrated(False)) {
3526 return (account_policy_get(policy_index, value))
3527 ? NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL;
3528 }
3529
3530 if (cache_account_policy_get(policy_index, value)) {
3531 DEBUG(11,("ldapsam_get_account_policy: got valid value from "
3532 "cache\n"));
3533 return NT_STATUS_OK;
3534 }
3535
3536 ntstatus = ldapsam_get_account_policy_from_ldap(methods, policy_index,
3537 value);
3538 if (NT_STATUS_IS_OK(ntstatus)) {
3539 goto update_cache;
3540 }
3541
3542 DEBUG(10,("ldapsam_get_account_policy: failed to retrieve from "
3543 "ldap\n"));
3544
3545 #if 0
3546 /* should we automagically migrate old tdb value here ? */
3547 if (account_policy_get(policy_index, value))
3548 goto update_ldap;
3549
3550 DEBUG(10,("ldapsam_get_account_policy: no tdb for %d, trying "
3551 "default\n", policy_index));
3552 #endif
3553
3554 if (!account_policy_get_default(policy_index, value)) {
3555 return ntstatus;
3556 }
3557
3558 /* update_ldap: */
3559
3560 ntstatus = ldapsam_set_account_policy(methods, policy_index, *value);
3561 if (!NT_STATUS_IS_OK(ntstatus)) {
3562 return ntstatus;
3563 }
3564
3565 update_cache:
3566
3567 if (!cache_account_policy_set(policy_index, *value)) {
3568 DEBUG(0,("ldapsam_get_account_policy: failed to update local "
3569 "tdb as a cache\n"));
3570 return NT_STATUS_UNSUCCESSFUL;
3571 }
3572
3573 return NT_STATUS_OK;
3574 }
3575
3576 static NTSTATUS ldapsam_lookup_rids(struct pdb_methods *methods,
3577 const DOM_SID *domain_sid,
3578 int num_rids,
3579 uint32 *rids,
3580 const char **names,
3581 uint32 *attrs)
3582 {
3583 struct ldapsam_privates *ldap_state =
3584 (struct ldapsam_privates *)methods->private_data;
3585 LDAPMessage *msg = NULL;
3586 LDAPMessage *entry;
3587 char *allsids = NULL;
3588 int i, rc, num_mapped;
3589 NTSTATUS result = NT_STATUS_NO_MEMORY;
3590 TALLOC_CTX *mem_ctx;
3591 LDAP *ld;
3592 BOOL is_builtin;
3593
3594 mem_ctx = talloc_new(NULL);
3595 if (mem_ctx == NULL) {
3596 DEBUG(0, ("talloc_new failed\n"));
3597 goto done;
3598 }
3599
3600 if (!sid_check_is_builtin(domain_sid) &&
3601 !sid_check_is_domain(domain_sid)) {
3602 result = NT_STATUS_INVALID_PARAMETER;
3603 goto done;
3604 }
3605
3606 for (i=0; i<num_rids; i++)
3607 attrs[i] = SID_NAME_UNKNOWN;
3608
3609 allsids = talloc_strdup(mem_ctx, "");
3610 if (allsids == NULL) {
3611 goto done;
3612 }
3613
3614 for (i=0; i<num_rids; i++) {
3615 DOM_SID sid;
3616 sid_copy(&sid, domain_sid);
3617 sid_append_rid(&sid, rids[i]);
3618 allsids = talloc_asprintf_append(allsids, "(sambaSid=%s)",
3619 sid_string_static(&sid));
3620 if (allsids == NULL) {
3621 goto done;
3622 }
3623 }
3624
3625 /* First look for users */
3626
3627 {
3628 char *filter;
3629 const char *ldap_attrs[] = { "uid", "sambaSid", NULL };
3630
3631 filter = talloc_asprintf(
3632 mem_ctx, ("(&(objectClass=sambaSamAccount)(|%s))"),
3633 allsids);
3634
3635 if (filter == NULL) {
3636 goto done;
3637 }
3638
3639 rc = smbldap_search(ldap_state->smbldap_state,
3640 lp_ldap_user_suffix(),
3641 LDAP_SCOPE_SUBTREE, filter, ldap_attrs, 0,
3642 &msg);
3643 talloc_autofree_ldapmsg(mem_ctx, msg);
3644 }
3645
3646 if (rc != LDAP_SUCCESS)
3647 goto done;
3648
3649 ld = ldap_state->smbldap_state->ldap_struct;
3650 num_mapped = 0;
3651
3652 for (entry = ldap_first_entry(ld, msg);
3653 entry != NULL;
3654 entry = ldap_next_entry(ld, entry)) {
3655 uint32 rid;
3656 int rid_index;
3657 const char *name;
3658
3659 if (!ldapsam_extract_rid_from_entry(ld, entry, domain_sid,
3660 &rid)) {
3661 DEBUG(2, ("Could not find sid from ldap entry\n"));
3662 continue;
3663 }
3664
3665 name = smbldap_talloc_single_attribute(ld, entry, "uid",
3666 names);
3667 if (name == NULL) {
3668 DEBUG(2, ("Could not retrieve uid attribute\n"));
3669 continue;
3670 }
3671
3672 for (rid_index = 0; rid_index < num_rids; rid_index++) {
3673 if (rid == rids[rid_index])
3674 break;
3675 }
3676
3677 if (rid_index == num_rids) {
3678 DEBUG(2, ("Got a RID not asked for: %d\n", rid));
3679 continue;
3680 }
3681
3682 attrs[rid_index] = SID_NAME_USER;
3683 names[rid_index] = name;
3684 num_mapped += 1;
3685 }
3686
3687 if (num_mapped == num_rids) {
3688 /* No need to look for groups anymore -- we're done */
3689 result = NT_STATUS_OK;
3690 goto done;
3691 }
3692
3693 /* Same game for groups */
3694
3695 {
3696 char *filter;
3697 const char *ldap_attrs[] = { "cn", "displayName", "sambaSid",
3698 "sambaGroupType", NULL };
3699
3700 filter = talloc_asprintf(
3701 mem_ctx, "(&(objectClass=sambaGroupMapping)(|%s))",
3702 allsids);
3703 if (filter == NULL) {
3704 goto done;
3705 }
3706
3707 rc = smbldap_search(ldap_state->smbldap_state,
3708 lp_ldap_group_suffix(),
3709 LDAP_SCOPE_SUBTREE, filter, ldap_attrs, 0,
3710 &msg);
3711 talloc_autofree_ldapmsg(mem_ctx, msg);
3712 }
3713
3714 if (rc != LDAP_SUCCESS)
3715 goto done;
3716
3717 /* ldap_struct might have changed due to a reconnect */
3718
3719 ld = ldap_state->smbldap_state->ldap_struct;
3720
3721 /* For consistency checks, we already checked we're only domain or builtin */
3722
3723 is_builtin = sid_check_is_builtin(domain_sid);
3724
3725 for (entry = ldap_first_entry(ld, msg);
3726 entry != NULL;
3727 entry = ldap_next_entry(ld, entry))
3728 {
3729 uint32 rid;
3730 int rid_index;
3731 const char *attr;
3732 enum SID_NAME_USE type;
3733 const char *dn = smbldap_talloc_dn(mem_ctx, ld, entry);
3734
3735 attr = smbldap_talloc_single_attribute(ld, entry, "sambaGroupType",
3736 mem_ctx);
3737 if (attr == NULL) {
3738 DEBUG(2, ("Could not extract type from ldap entry %s\n",
3739 dn));
3740 continue;
3741 }
3742
3743 type = atol(attr);
3744
3745 /* Consistency checks */
3746 if ((is_builtin && (type != SID_NAME_WKN_GRP)) ||
3747 (!is_builtin && ((type != SID_NAME_ALIAS) &&
3748 (type != SID_NAME_DOM_GRP)))) {
3749 DEBUG(2, ("Rejecting invalid group mapping entry %s\n", dn));
3750 }
3751
3752 if (!ldapsam_extract_rid_from_entry(ld, entry, domain_sid,
3753 &rid)) {
3754 DEBUG(2, ("Could not find sid from ldap entry %s\n", dn));
3755 continue;
3756 }
3757
3758 attr = smbldap_talloc_single_attribute(ld, entry, "displayName", names);
3759
3760 if (attr == NULL) {
3761 DEBUG(10, ("Could not retrieve 'displayName' attribute from %s\n",
3762 dn));
3763 attr = smbldap_talloc_single_attribute(ld, entry, "cn", names);
3764 }
3765
3766 if (attr == NULL) {
3767 DEBUG(2, ("Could not retrieve naming attribute from %s\n",
3768 dn));
3769 continue;
3770 }
3771
3772 for (rid_index = 0; rid_index < num_rids; rid_index++) {
3773 if (rid == rids[rid_index])
3774 break;
3775 }
3776
3777 if (rid_index == num_rids) {
3778 DEBUG(2, ("Got a RID not asked for: %d\n", rid));
3779 continue;
3780 }
3781
3782 attrs[rid_index] = type;
3783 names[rid_index] = attr;
3784 num_mapped += 1;
3785 }
3786
3787 result = NT_STATUS_NONE_MAPPED;
3788
3789 if (num_mapped > 0)
3790 result = (num_mapped == num_rids) ?
3791 NT_STATUS_OK : STATUS_SOME_UNMAPPED;
3792 done:
3793 TALLOC_FREE(mem_ctx);
3794 return result;
3795 }
3796
3797 static char *get_ldap_filter(TALLOC_CTX *mem_ctx, const char *username)
3798 {
3799 char *filter = NULL;
3800 char *escaped = NULL;
3801 char *result = NULL;
3802
3803 asprintf(&filter, "(&%s(objectclass=sambaSamAccount))",
3804 "(uid=%u)");
3805 if (filter == NULL) goto done;
3806
3807 escaped = escape_ldap_string_alloc(username);
3808 if (escaped == NULL) goto done;
3809
3810 result = talloc_string_sub(mem_ctx, filter, "%u", username);
3811
3812 done:
3813 SAFE_FREE(filter);
3814 SAFE_FREE(escaped);
3815
3816 return result;
3817 }
3818
3819 const char **talloc_attrs(TALLOC_CTX *mem_ctx, ...)
3820 {
3821 int i, num = 0;
3822 va_list ap;
3823 const char **result;
3824
3825 va_start(ap, mem_ctx);
3826 while (va_arg(ap, const char *) != NULL)
3827 num += 1;
3828 va_end(ap);
3829
3830 result = TALLOC_ARRAY(mem_ctx, const char *, num+1);
3831
3832 va_start(ap, mem_ctx);
3833 for (i=0; i<num; i++)
3834 result[i] = talloc_strdup(mem_ctx, va_arg(ap, const char*));
3835 va_end(ap);
3836
3837 result[num] = NULL;
3838 return result;
3839 }
3840
3841 struct ldap_search_state {
3842 struct smbldap_state *connection;
3843
3844 uint32 acct_flags;
3845 uint16 group_type;
3846
3847 const char *base;
3848 int scope;
3849 const char *filter;
3850 const char **attrs;
3851 int attrsonly;
3852 void *pagedresults_cookie;
3853
3854 LDAPMessage *entries, *current_entry;
3855 BOOL (*ldap2displayentry)(struct ldap_search_state *state,
3856 TALLOC_CTX *mem_ctx,
3857 LDAP *ld, LDAPMessage *entry,
3858 struct samr_displayentry *result);
3859 };
3860
3861 static BOOL ldapsam_search_firstpage(struct pdb_search *search)
3862 {
3863 struct ldap_search_state *state = search->private_data;
3864 LDAP *ld;
3865 int rc = LDAP_OPERATIONS_ERROR;
3866
3867 state->entries = NULL;
3868
3869 if (state->connection->paged_results) {
3870 rc = smbldap_search_paged(state->connection, state->base,
3871 state->scope, state->filter,
3872 state->attrs, state->attrsonly,
3873 lp_ldap_page_size(), &state->entries,
3874 &state->pagedresults_cookie);
3875 }
3876
3877 if ((rc != LDAP_SUCCESS) || (state->entries == NULL)) {
3878
3879 if (state->entries != NULL) {
3880 /* Left over from unsuccessful paged attempt */
3881 ldap_msgfree(state->entries);
3882 state->entries = NULL;
3883 }
3884
3885 rc = smbldap_search(state->connection, state->base,
3886 state->scope, state->filter, state->attrs,
3887 state->attrsonly, &state->entries);
3888
3889 if ((rc != LDAP_SUCCESS) || (state->entries == NULL))
3890 return False;
3891
3892 /* Ok, the server was lying. It told us it could do paged
3893 * searches when it could not. */
3894 state->connection->paged_results = False;
3895 }
3896
3897 ld = state->connection->ldap_struct;
3898 if ( ld == NULL) {
3899 DEBUG(5, ("Don't have an LDAP connection right after a "
3900 "search\n"));
3901 return False;
3902 }
3903 state->current_entry = ldap_first_entry(ld, state->entries);
3904
3905 if (state->current_entry == NULL) {
3906 ldap_msgfree(state->entries);
3907 state->entries = NULL;
3908 }
3909
3910 return True;
3911 }
3912
3913 static BOOL ldapsam_search_nextpage(struct pdb_search *search)
3914 {
3915 struct ldap_search_state *state = search->private_data;
3916 int rc;
3917
3918 if (!state->connection->paged_results) {
3919 /* There is no next page when there are no paged results */
3920 return False;
3921 }
3922
3923 rc = smbldap_search_paged(state->connection, state->base,
3924 state->scope, state->filter, state->attrs,
3925 state->attrsonly, lp_ldap_page_size(),
3926 &state->entries,
3927 &state->pagedresults_cookie);
3928
3929 if ((rc != LDAP_SUCCESS) || (state->entries == NULL))
3930 return False;
3931
3932 state->current_entry = ldap_first_entry(state->connection->ldap_struct, state->entries);
3933
3934 if (state->current_entry == NULL) {
3935 ldap_msgfree(state->entries);
3936 state->entries = NULL;
3937 }
3938
3939 return True;
3940 }
3941
3942 static BOOL ldapsam_search_next_entry(struct pdb_search *search,
3943 struct samr_displayentry *entry)
3944 {
3945 struct ldap_search_state *state = search->private_data;
3946 BOOL result;
3947
3948 retry:
3949 if ((state->entries == NULL) && (state->pagedresults_cookie == NULL))
3950 return False;
3951
3952 if ((state->entries == NULL) &&
3953 !ldapsam_search_nextpage(search))
3954 return False;
3955
3956 result = state->ldap2displayentry(state, search->mem_ctx, state->connection->ldap_struct,
3957 state->current_entry, entry);
3958
3959 if (!result) {
3960 char *dn;
3961 dn = ldap_get_dn(state->connection->ldap_struct, state->current_entry);
3962 DEBUG(5, ("Skipping entry %s\n", dn != NULL ? dn : "<NULL>"));
3963 if (dn != NULL) ldap_memfree(dn);
3964 }
3965
3966 state->current_entry = ldap_next_entry(state->connection->ldap_struct, state->current_entry);
3967
3968 if (state->current_entry == NULL) {
3969 ldap_msgfree(state->entries);
3970 state->entries = NULL;
3971 }
3972
3973 if (!result) goto retry;
3974
3975 return True;
3976 }
3977
3978 static void ldapsam_search_end(struct pdb_search *search)
3979 {
3980 struct ldap_search_state *state = search->private_data;
3981 int rc;
3982
3983 if (state->pagedresults_cookie == NULL)
3984 return;
3985
3986 if (state->entries != NULL)
3987 ldap_msgfree(state->entries);
3988
3989 state->entries = NULL;
3990 state->current_entry = NULL;
3991
3992 if (!state->connection->paged_results)
3993 return;
3994
3995 /* Tell the LDAP server we're not interested in the rest anymore. */
3996
3997 rc = smbldap_search_paged(state->connection, state->base, state->scope,
3998 state->filter, state->attrs,
3999 state->attrsonly, 0, &state->entries,
4000 &state->pagedresults_cookie);
4001
4002 if (rc != LDAP_SUCCESS)
4003 DEBUG(5, ("Could not end search properly\n"));
4004
4005 return;
4006 }
4007
4008 static BOOL ldapuser2displayentry(struct ldap_search_state *state,
4009 TALLOC_CTX *mem_ctx,
4010 LDAP *ld, LDAPMessage *entry,
4011 struct samr_displayentry *result)
4012 {
4013 char **vals;
4014 DOM_SID sid;
4015 uint32 acct_flags;
4016
4017 vals = ldap_get_values(ld, entry, "sambaAcctFlags");
4018 if ((vals == NULL) || (vals[0] == NULL)) {
4019 DEBUG(5, ("\"sambaAcctFlags\" not found\n"));
4020 return False;
4021 }
4022 acct_flags = pdb_decode_acct_ctrl(vals[0]);
4023 ldap_value_free(vals);
4024
4025 if ((state->acct_flags != 0) &&
4026 ((state->acct_flags & acct_flags) == 0))
4027 return False;
4028
4029 result->acct_flags = acct_flags;
4030 result->account_name = "";
4031 result->fullname = "";
4032 result->description = "";
4033
4034 vals = ldap_get_values(ld, entry, "uid");
4035 if ((vals == NULL) || (vals[0] == NULL)) {
4036 DEBUG(5, ("\"uid\" not found\n"));
4037 return False;
4038 }
4039 pull_utf8_talloc(mem_ctx,
4040 CONST_DISCARD(char **, &result->account_name),
4041 vals[0]);
4042 ldap_value_free(vals);
4043
4044 vals = ldap_get_values(ld, entry, "displayName");
4045 if ((vals == NULL) || (vals[0] == NULL))
4046 DEBUG(8, ("\"displayName\" not found\n"));
4047 else
4048 pull_utf8_talloc(mem_ctx,
4049 CONST_DISCARD(char **, &result->fullname),
4050 vals[0]);
4051 ldap_value_free(vals);
4052
4053 vals = ldap_get_values(ld, entry, "description");
4054 if ((vals == NULL) || (vals[0] == NULL))
4055 DEBUG(8, ("\"description\" not found\n"));
4056 else
4057 pull_utf8_talloc(mem_ctx,
4058 CONST_DISCARD(char **, &result->description),
4059 vals[0]);
4060 ldap_value_free(vals);
4061
4062 if ((result->account_name == NULL) ||
4063 (result->fullname == NULL) ||
4064 (result->description == NULL)) {
4065 DEBUG(0, ("talloc failed\n"));
4066 return False;
4067 }
4068
4069 vals = ldap_get_values(ld, entry, "sambaSid");
4070 if ((vals == NULL) || (vals[0] == NULL)) {
4071 DEBUG(0, ("\"objectSid\" not found\n"));
4072 return False;
4073 }
4074
4075 if (!string_to_sid(&sid, vals[0])) {
4076 DEBUG(0, ("Could not convert %s to SID\n", vals[0]));
4077 ldap_value_free(vals);
4078 return False;
4079 }
4080 ldap_value_free(vals);
4081
4082 if (!sid_peek_check_rid(get_global_sam_sid(), &sid, &result->rid)) {
4083 DEBUG(0, ("sid %s does not belong to our domain\n",
4084 sid_string_static(&sid)));
4085 return False;
4086 }
4087
4088 return True;
4089 }
4090
4091
4092 static BOOL ldapsam_search_users(struct pdb_methods *methods,
4093 struct pdb_search *search,
4094 uint32 acct_flags)
4095 {
4096 struct ldapsam_privates *ldap_state = methods->private_data;
4097 struct ldap_search_state *state;
4098
4099 state = TALLOC_P(search->mem_ctx, struct ldap_search_state);
4100 if (state == NULL) {
4101 DEBUG(0, ("talloc failed\n"));
4102 return False;
4103 }
4104
4105 state->connection = ldap_state->smbldap_state;
4106
4107 if ((acct_flags != 0) && ((acct_flags & ACB_NORMAL) != 0))
4108 state->base = lp_ldap_user_suffix();
4109 else if ((acct_flags != 0) &&
4110 ((acct_flags & (ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)) != 0))
4111 state->base = lp_ldap_machine_suffix();
4112 else
4113 state->base = lp_ldap_suffix();
4114
4115 state->acct_flags = acct_flags;
4116 state->base = talloc_strdup(search->mem_ctx, state->base);
4117 state->scope = LDAP_SCOPE_SUBTREE;
4118 state->filter = get_ldap_filter(search->mem_ctx, "*");
4119 state->attrs = talloc_attrs(search->mem_ctx, "uid", "sambaSid",
4120 "displayName", "description",
4121 "sambaAcctFlags", NULL);
4122 state->attrsonly = 0;
4123 state->pagedresults_cookie = NULL;
4124 state->entries = NULL;
4125 state->ldap2displayentry = ldapuser2displayentry;
4126
4127 if ((state->filter == NULL) || (state->attrs == NULL)) {
4128 DEBUG(0, ("talloc failed\n"));
4129 return False;
4130 }
4131
4132 search->private_data = state;
4133 search->next_entry = ldapsam_search_next_entry;
4134 search->search_end = ldapsam_search_end;
4135
4136 return ldapsam_search_firstpage(search);
4137 }
4138
4139 static BOOL ldapgroup2displayentry(struct ldap_search_state *state,
4140 TALLOC_CTX *mem_ctx,
4141 LDAP *ld, LDAPMessage *entry,
4142 struct samr_displayentry *result)
4143 {
4144 char **vals;
4145 DOM_SID sid;
4146 uint16 group_type;
4147
4148 result->account_name = "";
4149 result->fullname = "";
4150 result->description = "";
4151
4152
4153 vals = ldap_get_values(ld, entry, "sambaGroupType");
4154 if ((vals == NULL) || (vals[0] == NULL)) {
4155 DEBUG(5, ("\"sambaGroupType\" not found\n"));
4156 if (vals != NULL) {
4157 ldap_value_free(vals);
4158 }
4159 return False;
4160 }
4161
4162 group_type = atoi(vals[0]);
4163
4164 if ((state->group_type != 0) &&
4165 ((state->group_type != group_type))) {
4166 ldap_value_free(vals);
4167 return False;
4168 }
4169
4170 ldap_value_free(vals);
4171
4172 /* display name is the NT group name */
4173
4174 vals = ldap_get_values(ld, entry, "displayName");
4175 if ((vals == NULL) || (vals[0] == NULL)) {
4176 DEBUG(8, ("\"displayName\" not found\n"));
4177
4178 /* fallback to the 'cn' attribute */
4179 vals = ldap_get_values(ld, entry, "cn");
4180 if ((vals == NULL) || (vals[0] == NULL)) {
4181 DEBUG(5, ("\"cn\" not found\n"));
4182 return False;
4183 }
4184 pull_utf8_talloc(mem_ctx,
4185 CONST_DISCARD(char **, &result->account_name),
4186 vals[0]);
4187 }
4188 else {
4189 pull_utf8_talloc(mem_ctx,
4190 CONST_DISCARD(char **, &result->account_name),
4191 vals[0]);
4192 }
4193
4194 ldap_value_free(vals);
4195
4196 vals = ldap_get_values(ld, entry, "description");
4197 if ((vals == NULL) || (vals[0] == NULL))
4198 DEBUG(8, ("\"description\" not found\n"));
4199 else
4200 pull_utf8_talloc(mem_ctx,
4201 CONST_DISCARD(char **, &result->description),
4202 vals[0]);
4203 ldap_value_free(vals);
4204
4205 if ((result->account_name == NULL) ||
4206 (result->fullname == NULL) ||
4207 (result->description == NULL)) {
4208 DEBUG(0, ("talloc failed\n"));
4209 return False;
4210 }
4211
4212 vals = ldap_get_values(ld, entry, "sambaSid");
4213 if ((vals == NULL) || (vals[0] == NULL)) {
4214 DEBUG(0, ("\"objectSid\" not found\n"));
4215 if (vals != NULL) {
4216 ldap_value_free(vals);
4217 }
4218 return False;
4219 }
4220
4221 if (!string_to_sid(&sid, vals[0])) {
4222 DEBUG(0, ("Could not convert %s to SID\n", vals[0]));
4223 return False;
4224 }
4225
4226 ldap_value_free(vals);
4227
4228 switch (group_type) {
4229 case SID_NAME_DOM_GRP:
4230 case SID_NAME_ALIAS:
4231
4232 if (!sid_peek_check_rid(get_global_sam_sid(), &sid,
4233 &result->rid)) {
4234 DEBUG(0, ("%s is not in our domain\n",
4235 sid_string_static(&sid)));
4236 return False;
4237 }
4238 break;
4239
4240 case SID_NAME_WKN_GRP:
4241
4242 if (!sid_peek_check_rid(&global_sid_Builtin, &sid,
4243 &result->rid)) {
4244
4245 DEBUG(0, ("%s is not in builtin sid\n",
4246 sid_string_static(&sid)));
4247 return False;
4248 }
4249 break;
4250
4251 default:
4252 DEBUG(0,("unkown group type: %d\n", group_type));
4253 return False;
4254 }
4255
4256 return True;
4257 }
4258
4259 static BOOL ldapsam_search_grouptype(struct pdb_methods *methods,
4260 struct pdb_search *search,
4261 enum SID_NAME_USE type)
4262 {
4263 struct ldapsam_privates *ldap_state = methods->private_data;
4264 struct ldap_search_state *state;
4265
4266 state = TALLOC_P(search->mem_ctx, struct ldap_search_state);
4267 if (state == NULL) {
4268 DEBUG(0, ("talloc failed\n"));
4269 return False;
4270 }
4271
4272 state->connection = ldap_state->smbldap_state;
4273
4274 state->base = talloc_strdup(search->mem_ctx, lp_ldap_group_suffix());
4275 state->connection = ldap_state->smbldap_state;
4276 state->scope = LDAP_SCOPE_SUBTREE;
4277 state->filter = talloc_asprintf(search->mem_ctx,
4278 "(&(objectclass=sambaGroupMapping)"
4279 "(sambaGroupType=%d))", type);
4280 state->attrs = talloc_attrs(search->mem_ctx, "cn", "sambaSid",
4281 "displayName", "description",
4282 "sambaGroupType", NULL);
4283 state->attrsonly = 0;
4284 state->pagedresults_cookie = NULL;
4285 state->entries = NULL;
4286 state->group_type = type;
4287 state->ldap2displayentry = ldapgroup2displayentry;
4288
4289 if ((state->filter == NULL) || (state->attrs == NULL)) {
4290 DEBUG(0, ("talloc failed\n"));
4291 return False;
4292 }
4293
4294 search->private_data = state;
4295 search->next_entry = ldapsam_search_next_entry;
4296 search->search_end = ldapsam_search_end;
4297
4298 return ldapsam_search_firstpage(search);
4299 }
4300
4301 static BOOL ldapsam_search_groups(struct pdb_methods *methods,
4302 struct pdb_search *search)
4303 {
4304 return ldapsam_search_grouptype(methods, search, SID_NAME_DOM_GRP);
4305 }
4306
4307 static BOOL ldapsam_search_aliases(struct pdb_methods *methods,
4308 struct pdb_search *search,
4309 const DOM_SID *sid)
4310 {
4311 if (sid_check_is_domain(sid))
4312 return ldapsam_search_grouptype(methods, search,
4313 SID_NAME_ALIAS);
4314
4315 if (sid_check_is_builtin(sid))
4316 return ldapsam_search_grouptype(methods, search,
4317 SID_NAME_WKN_GRP);
4318
4319 DEBUG(5, ("Don't know SID %s\n", sid_string_static(sid)));
4320 return False;
4321 }
4322
4323 static BOOL ldapsam_rid_algorithm(struct pdb_methods *methods)
4324 {
4325 return False;
4326 }
4327
4328 static NTSTATUS ldapsam_get_new_rid(struct ldapsam_privates *priv,
4329 uint32 *rid)
4330 {
4331 struct smbldap_state *smbldap_state = priv->smbldap_state;
4332
4333 LDAPMessage *result = NULL;
4334 LDAPMessage *entry = NULL;
4335 LDAPMod **mods = NULL;
4336 NTSTATUS status;
4337 char *value;
4338 int rc;
4339 uint32 nextRid = 0;
4340
4341 TALLOC_CTX *mem_ctx;
4342
4343 mem_ctx = talloc_new(NULL);
4344 if (mem_ctx == NULL) {
4345 DEBUG(0, ("talloc_new failed\n"));
4346 return NT_STATUS_NO_MEMORY;
4347 }
4348
4349 status = smbldap_search_domain_info(smbldap_state, &result,
4350 get_global_sam_name(), False);
4351 if (!NT_STATUS_IS_OK(status)) {
4352 DEBUG(3, ("Could not get domain info: %s\n",
4353 nt_errstr(status)));
4354 goto done;
4355 }
4356
4357 talloc_autofree_ldapmsg(mem_ctx, result);
4358
4359 entry = ldap_first_entry(priv2ld(priv), result);
4360 if (entry == NULL) {
4361 DEBUG(0, ("Could not get domain info entry\n"));
4362 status = NT_STATUS_INTERNAL_DB_CORRUPTION;
4363 goto done;
4364 }
4365
4366 /* Find the largest of the three attributes "sambaNextRid",
4367 "sambaNextGroupRid" and "sambaNextUserRid". I gave up on the
4368 concept of differentiating between user and group rids, and will
4369 use only "sambaNextRid" in the future. But for compatibility
4370 reasons I look if others have chosen different strategies -- VL */
4371
4372 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4373 "sambaNextRid", mem_ctx);
4374 if (value != NULL) {
4375 uint32 tmp = (uint32)strtoul(value, NULL, 10);
4376 nextRid = MAX(nextRid, tmp);
4377 }
4378
4379 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4380 "sambaNextUserRid", mem_ctx);
4381 if (value != NULL) {
4382 uint32 tmp = (uint32)strtoul(value, NULL, 10);
4383 nextRid = MAX(nextRid, tmp);
4384 }
4385
4386 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4387 "sambaNextGroupRid", mem_ctx);
4388 if (value != NULL) {
4389 uint32 tmp = (uint32)strtoul(value, NULL, 10);
4390 nextRid = MAX(nextRid, tmp);
4391 }
4392
4393 if (nextRid == 0) {
4394 nextRid = BASE_RID-1;
4395 }
4396
4397 nextRid += 1;
4398
4399 smbldap_make_mod(priv2ld(priv), entry, &mods, "sambaNextRid",
4400 talloc_asprintf(mem_ctx, "%d", nextRid));
4401 talloc_autofree_ldapmod(mem_ctx, mods);
4402
4403 rc = smbldap_modify(smbldap_state,
4404 smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry),
4405 mods);
4406
4407 /* ACCESS_DENIED is used as a placeholder for "the modify failed,
4408 * please retry" */
4409
4410 status = (rc == LDAP_SUCCESS) ? NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
4411
4412 done:
4413 if (NT_STATUS_IS_OK(status)) {
4414 *rid = nextRid;
4415 }
4416
4417 TALLOC_FREE(mem_ctx);
4418 return status;
4419 }
4420
4421 static BOOL ldapsam_new_rid(struct pdb_methods *methods, uint32 *rid)
4422 {
4423 int i;
4424
4425 for (i=0; i<10; i++) {
4426 NTSTATUS result = ldapsam_get_new_rid(methods->private_data,
4427 rid);
4428 if (NT_STATUS_IS_OK(result)) {
4429 return True;
4430 }
4431
4432 if (!NT_STATUS_EQUAL(result, NT_STATUS_ACCESS_DENIED)) {
4433 return False;
4434 }
4435
4436 /* The ldap update failed (maybe a race condition), retry */
4437 }
4438
4439 /* Tried 10 times, fail. */
4440 return False;
4441 }
4442
4443 static BOOL ldapsam_sid_to_id(struct pdb_methods *methods,
4444 const DOM_SID *sid,
4445 union unid_t *id, enum SID_NAME_USE *type)
4446 {
4447 struct ldapsam_privates *priv = methods->private_data;
4448 char *filter;
4449 const char *attrs[] = { "sambaGroupType", "gidNumber", "uidNumber",
4450 NULL };
4451 LDAPMessage *result = NULL;
4452 LDAPMessage *entry = NULL;
4453 BOOL ret = False;
4454 char *value;
4455 int rc;
4456
4457 TALLOC_CTX *mem_ctx;
4458
4459 mem_ctx = talloc_new(NULL);
4460 if (mem_ctx == NULL) {
4461 DEBUG(0, ("talloc_new failed\n"));
4462 return False;
4463 }
4464
4465 filter = talloc_asprintf(mem_ctx,
4466 "(&(sambaSid=%s)"
4467 "(|(objectClass=sambaGroupMapping)"
4468 "(objectClass=sambaSamAccount)))",
4469 sid_string_static(sid));
4470 if (filter == NULL) {
4471 DEBUG(5, ("talloc_asprintf failed\n"));
4472 goto done;
4473 }
4474
4475 rc = smbldap_search_suffix(priv->smbldap_state, filter,
4476 attrs, &result);
4477 if (rc != LDAP_SUCCESS) {
4478 goto done;
4479 }
4480 talloc_autofree_ldapmsg(mem_ctx, result);
4481
4482 if (ldap_count_entries(priv2ld(priv), result) != 1) {
4483 DEBUG(10, ("Got %d entries, expected one\n",
4484 ldap_count_entries(priv2ld(priv), result)));
4485 goto done;
4486 }
4487
4488 entry = ldap_first_entry(priv2ld(priv), result);
4489
4490 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4491 "sambaGroupType", mem_ctx);
4492
4493 if (value != NULL) {
4494 const char *gid_str;
4495 /* It's a group */
4496
4497 gid_str = smbldap_talloc_single_attribute(
4498 priv2ld(priv), entry, "gidNumber", mem_ctx);
4499 if (gid_str == NULL) {
4500 DEBUG(1, ("%s has sambaGroupType but no gidNumber\n",
4501 smbldap_talloc_dn(mem_ctx, priv2ld(priv),
4502 entry)));
4503 goto done;
4504 }
4505
4506 id->gid = strtoul(gid_str, NULL, 10);
4507 *type = strtoul(value, NULL, 10);
4508 ret = True;
4509 goto done;
4510 }
4511
4512 /* It must be a user */
4513
4514 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4515 "uidNumber", mem_ctx);
4516 if (value == NULL) {
4517 DEBUG(1, ("Could not find uidNumber in %s\n",
4518 smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry)));
4519 goto done;
4520 }
4521
4522 id->uid = strtoul(value, NULL, 10);
4523 *type = SID_NAME_USER;
4524
4525 ret = True;
4526 done:
4527 TALLOC_FREE(mem_ctx);
4528 return ret;
4529 }
4530
4531 /*
4532 * The following functions is called only if
4533 * ldapsam:trusted and ldapsam:editposix are
4534 * set to true
4535 */
4536
4537 /*
4538 * ldapsam_create_user creates a new
4539 * posixAccount and sambaSamAccount object
4540 * in the ldap users subtree
4541 *
4542 * The uid is allocated by winbindd.
4543 */
4544
4545 static NTSTATUS ldapsam_create_user(struct pdb_methods *my_methods,
4546 TALLOC_CTX *tmp_ctx, const char *name,
4547 uint32 acb_info, uint32 *rid)
4548 {
4549 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
4550 LDAPMessage *entry = NULL;
4551 LDAPMessage *result = NULL;
4552 uint32 num_result;
4553 BOOL is_machine = False;
4554 BOOL add_posix = False;
4555 LDAPMod **mods = NULL;
4556 struct samu *user;
4557 char *filter;
4558 char *username;
4559 char *homedir;
4560 char *gidstr;
4561 char *uidstr;
4562 char *shell;
4563 const char *dn = NULL;
4564 DOM_SID group_sid;
4565 DOM_SID user_sid;
4566 gid_t gid = -1;
4567 uid_t uid = -1;
4568 NTSTATUS ret;
4569 int rc;
4570
4571 if ((acb_info & ACB_NORMAL) && name[strlen(name)-1] == '$') {
4572 is_machine = True;
4573 }
4574
4575 username = escape_ldap_string_alloc(name);
4576 filter = talloc_asprintf(tmp_ctx, "(&(uid=%s)(objectClass=posixAccount))", username);
4577 SAFE_FREE(username);
4578
4579 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
4580 if (rc != LDAP_SUCCESS) {
4581 DEBUG(0,("ldapsam_create_user: ldap search failed!\n"));
4582 return NT_STATUS_UNSUCCESSFUL;
4583 }
4584 talloc_autofree_ldapmsg(tmp_ctx, result);
4585
4586 num_result = ldap_count_entries(priv2ld(ldap_state), result);
4587
4588 if (num_result > 1) {
4589 DEBUG (0, ("ldapsam_create_user: More than one user with name [%s] ?!\n", name));
4590 return NT_STATUS_INTERNAL_DB_CORRUPTION;
4591 }
4592
4593 if (num_result == 1) {
4594 char *tmp;
4595 /* check if it is just a posix account.
4596 * or if there is a sid attached to this entry
4597 */
4598
4599 entry = ldap_first_entry(priv2ld(ldap_state), result);
4600 if (!entry) {
4601 return NT_STATUS_UNSUCCESSFUL;
4602 }
4603
4604 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "sambaSID", tmp_ctx);
4605 if (tmp) {
4606 DEBUG (1, ("ldapsam_create_user: The user [%s] already exist!\n", name));
4607 return NT_STATUS_USER_EXISTS;
4608 }
4609
4610 /* it is just a posix account, retrieve the dn for later use */
4611 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
4612 if (!dn) {
4613 DEBUG(0,("ldapsam_create_user: Out of memory!\n"));
4614 return NT_STATUS_NO_MEMORY;
4615 }
4616 }
4617
4618 if (num_result == 0) {
4619 add_posix = True;
4620 }
4621
4622 /* Create the basic samu structure and generate the mods for the ldap commit */
4623 if (!NT_STATUS_IS_OK((ret = ldapsam_get_new_rid(ldap_state, rid)))) {
4624 DEBUG(1, ("ldapsam_create_user: Could not allocate a new RID\n"));
4625 return ret;
4626 }
4627
4628 sid_copy(&user_sid, get_global_sam_sid());
4629 sid_append_rid(&user_sid, *rid);
4630
4631 user = samu_new(tmp_ctx);
4632 if (!user) {
4633 DEBUG(1,("ldapsam_create_user: Unable to allocate user struct\n"));
4634 return NT_STATUS_NO_MEMORY;
4635 }
4636
4637 if (!pdb_set_username(user, name, PDB_SET)) {
4638 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
4639 return NT_STATUS_UNSUCCESSFUL;
4640 }
4641 if (!pdb_set_domain(user, get_global_sam_name(), PDB_SET)) {
4642 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
4643 return NT_STATUS_UNSUCCESSFUL;
4644 }
4645 if (is_machine) {
4646 if (!pdb_set_acct_ctrl(user, ACB_WSTRUST | ACB_DISABLED, PDB_SET)) {
4647 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
4648 return NT_STATUS_UNSUCCESSFUL;
4649 }
4650 } else {
4651 if (!pdb_set_acct_ctrl(user, ACB_NORMAL | ACB_DISABLED, PDB_SET)) {
4652 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
4653 return NT_STATUS_UNSUCCESSFUL;
4654 }
4655 }
4656
4657 if (!pdb_set_user_sid(user, &user_sid, PDB_SET)) {
4658 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
4659 return NT_STATUS_UNSUCCESSFUL;
4660 }
4661
4662 if (!init_ldap_from_sam(ldap_state, NULL, &mods, user, element_is_set_or_changed)) {
4663 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
4664 return NT_STATUS_UNSUCCESSFUL;
4665 }
4666
4667 switch ( ldap_state->schema_ver ) {
4668 case SCHEMAVER_SAMBAACCOUNT:
4669 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_SAMBAACCOUNT);
4670 break;
4671 case SCHEMAVER_SAMBASAMACCOUNT:
4672 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_SAMBASAMACCOUNT);
4673 break;
4674 default:
4675 DEBUG(0,("ldapsam_add_sam_account: invalid schema version specified\n"));
4676 break;
4677 }
4678
4679 if (add_posix) {
4680 DEBUG(3,("ldapsam_create_user: Creating new posix user\n"));
4681
4682 /* retrieve the Domain Users group gid */
4683 if (!sid_compose(&group_sid, get_global_sam_sid(), DOMAIN_GROUP_RID_USERS) ||
4684 !sid_to_gid(&group_sid, &gid)) {
4685 DEBUG (0, ("ldapsam_create_user: Unable to get the Domain Users gid: bailing out!\n"));
4686 return NT_STATUS_INVALID_PRIMARY_GROUP;
4687 }
4688
4689 /* lets allocate a new userid for this user */
4690 if (!winbind_allocate_uid(&uid)) {
4691 DEBUG (0, ("ldapsam_create_user: Unable to allocate a new user id: bailing out!\n"));
4692 return NT_STATUS_UNSUCCESSFUL;
4693 }
4694
4695
4696 if (is_machine) {
4697 /* TODO: choose a more appropriate default for machines */
4698 homedir = talloc_sub_specified(tmp_ctx, lp_template_homedir(), "SMB_workstations_home", ldap_state->domain_name, uid, gid);
4699 shell = talloc_strdup(tmp_ctx, "/bin/false");
4700 } else {
4701 homedir = talloc_sub_specified(tmp_ctx, lp_template_homedir(), name, ldap_state->domain_name, uid, gid);
4702 shell = talloc_sub_specified(tmp_ctx, lp_template_shell(), name, ldap_state->domain_name, uid, gid);
4703 }
4704 uidstr = talloc_asprintf(tmp_ctx, "%d", uid);
4705 gidstr = talloc_asprintf(tmp_ctx, "%d", gid);
4706 if (is_machine) {
4707 dn = talloc_asprintf(tmp_ctx, "uid=%s,%s", name, lp_ldap_machine_suffix ());
4708 } else {
4709 dn = talloc_asprintf(tmp_ctx, "uid=%s,%s", name, lp_ldap_user_suffix ());
4710 }
4711
4712 if (!homedir || !shell || !uidstr || !gidstr || !dn) {
4713 DEBUG (0, ("ldapsam_create_user: Out of memory!\n"));
4714 return NT_STATUS_NO_MEMORY;
4715 }
4716
4717 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_ACCOUNT);
4718 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_POSIXACCOUNT);
4719 smbldap_set_mod(&mods, LDAP_MOD_ADD, "cn", name);
4720 smbldap_set_mod(&mods, LDAP_MOD_ADD, "uidNumber", uidstr);
4721 smbldap_set_mod(&mods, LDAP_MOD_ADD, "gidNumber", gidstr);
4722 smbldap_set_mod(&mods, LDAP_MOD_ADD, "homeDirectory", homedir);
4723 smbldap_set_mod(&mods, LDAP_MOD_ADD, "loginShell", shell);
4724 }
4725
4726 talloc_autofree_ldapmod(tmp_ctx, mods);
4727
4728 if (add_posix) {
4729 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
4730 } else {
4731 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
4732 }
4733
4734 if (rc != LDAP_SUCCESS) {
4735 DEBUG(0,("ldapsam_create_user: failed to create a new user [%s] (dn = %s)\n", name ,dn));
4736 return NT_STATUS_UNSUCCESSFUL;
4737 }
4738
4739 DEBUG(2,("ldapsam_create_user: added account [%s] in the LDAP database\n", name));
4740
4741 flush_pwnam_cache();
4742
4743 return NT_STATUS_OK;
4744 }
4745
4746 static NTSTATUS ldapsam_delete_user(struct pdb_methods *my_methods, TALLOC_CTX *tmp_ctx, struct samu *sam_acct)
4747 {
4748 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
4749 LDAPMessage *result = NULL;
4750 LDAPMessage *entry = NULL;
4751 int num_result;
4752 const char *dn;
4753 char *filter;
4754 int rc;
4755
4756 DEBUG(0,("ldapsam_delete_user: Attempt to delete user [%s]\n", pdb_get_username(sam_acct)));
4757
4758 filter = talloc_asprintf(tmp_ctx,
4759 "(&(uid=%s)"
4760 "(objectClass=posixAccount)"
4761 "(objectClass=sambaSamAccount))",
4762 pdb_get_username(sam_acct));
4763
4764 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
4765 if (rc != LDAP_SUCCESS) {
4766 DEBUG(0,("ldapsam_delete_user: user search failed!\n"));
4767 return NT_STATUS_UNSUCCESSFUL;
4768 }
4769 talloc_autofree_ldapmsg(tmp_ctx, result);
4770
4771 num_result = ldap_count_entries(priv2ld(ldap_state), result);
4772
4773 if (num_result == 0) {
4774 DEBUG(0,("ldapsam_delete_user: user not found!\n"));
4775 return NT_STATUS_NO_SUCH_USER;
4776 }
4777
4778 if (num_result > 1) {
4779 DEBUG (0, ("ldapsam_delete_user: More than one user with name [%s] ?!\n", pdb_get_username(sam_acct)));
4780 return NT_STATUS_INTERNAL_DB_CORRUPTION;
4781 }
4782
4783 entry = ldap_first_entry(priv2ld(ldap_state), result);
4784 if (!entry) {
4785 return NT_STATUS_UNSUCCESSFUL;
4786 }
4787
4788 /* it is just a posix account, retrieve the dn for later use */
4789 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
4790 if (!dn) {
4791 DEBUG(0,("ldapsam_delete_user: Out of memory!\n"));
4792 return NT_STATUS_NO_MEMORY;
4793 }
4794
4795 rc = smbldap_delete(ldap_state->smbldap_state, dn);
4796 if (rc != LDAP_SUCCESS) {
4797 return NT_STATUS_UNSUCCESSFUL;
4798 }
4799
4800 flush_pwnam_cache();
4801
4802 return NT_STATUS_OK;
4803 }
4804
4805 /*
4806 * ldapsam_create_group creates a new
4807 * posixGroup and sambaGroupMapping object
4808 * in the ldap groups subtree
4809 *
4810 * The gid is allocated by winbindd.
4811 */
4812
4813 static NTSTATUS ldapsam_create_dom_group(struct pdb_methods *my_methods,
4814 TALLOC_CTX *tmp_ctx,
4815 const char *name,
4816 uint32 *rid)
4817 {
4818 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
4819 NTSTATUS ret;
4820 LDAPMessage *entry = NULL;
4821 LDAPMessage *result = NULL;
4822 uint32 num_result;
4823 BOOL is_new_entry = False;
4824 LDAPMod **mods = NULL;
4825 char *filter;
4826 char *groupsidstr;
4827 char *groupname;
4828 char *grouptype;
4829 char *gidstr;
4830 const char *dn = NULL;
4831 DOM_SID group_sid;
4832 gid_t gid = -1;
4833 int rc;
4834
4835 groupname = escape_ldap_string_alloc(name);
4836 filter = talloc_asprintf(tmp_ctx, "(&(cn=%s)(objectClass=posixGroup))", groupname);
4837 SAFE_FREE(groupname);
4838
4839 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
4840 if (rc != LDAP_SUCCESS) {
4841 DEBUG(0,("ldapsam_create_group: ldap search failed!\n"));
4842 return NT_STATUS_UNSUCCESSFUL;
4843 }
4844 talloc_autofree_ldapmsg(tmp_ctx, result);
4845
4846 num_result = ldap_count_entries(priv2ld(ldap_state), result);
4847
4848 if (num_result > 1) {
4849 DEBUG (0, ("ldapsam_create_group: There exists more than one group with name [%s]: bailing out!\n", name));
4850 return NT_STATUS_INTERNAL_DB_CORRUPTION;
4851 }
4852
4853 if (num_result == 1) {
4854 char *tmp;
4855 /* check if it is just a posix group.
4856 * or if there is a sid attached to this entry
4857 */
4858
4859 entry = ldap_first_entry(priv2ld(ldap_state), result);
4860 if (!entry) {
4861 return NT_STATUS_UNSUCCESSFUL;
4862 }
4863
4864 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "sambaSID", tmp_ctx);
4865 if (tmp) {
4866 DEBUG (1, ("ldapsam_create_group: The group [%s] already exist!\n", name));
4867 return NT_STATUS_GROUP_EXISTS;
4868 }
4869
4870 /* it is just a posix group, retrieve the gid and the dn for later use */
4871 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
4872 if (!tmp) {
4873 DEBUG (1, ("ldapsam_create_group: Couldn't retrieve the gidNumber for [%s]?!?!\n", name));
4874 return NT_STATUS_INTERNAL_DB_CORRUPTION;
4875 }
4876
4877 gid = strtoul(tmp, NULL, 10);
4878
4879 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
4880 if (!dn) {
4881 DEBUG(0,("ldapsam_create_group: Out of memory!\n"));
4882 return NT_STATUS_NO_MEMORY;
4883 }
4884 }
4885
4886 if (num_result == 0) {
4887 DEBUG(3,("ldapsam_create_user: Creating new posix group\n"));
4888
4889 is_new_entry = True;
4890
4891 /* lets allocate a new groupid for this group */
4892 if (!winbind_allocate_gid(&gid)) {
4893 DEBUG (0, ("ldapsam_create_group: Unable to allocate a new group id: bailing out!\n"));
4894 return NT_STATUS_UNSUCCESSFUL;
4895 }
4896
4897 gidstr = talloc_asprintf(tmp_ctx, "%d", gid);
4898 dn = talloc_asprintf(tmp_ctx, "cn=%s,%s", name, lp_ldap_group_suffix());
4899
4900 if (!gidstr || !dn) {
4901 DEBUG (0, ("ldapsam_create_group: Out of memory!\n"));
4902 return NT_STATUS_NO_MEMORY;
4903 }
4904
4905 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_POSIXGROUP);
4906 smbldap_set_mod(&mods, LDAP_MOD_ADD, "cn", name);
4907 smbldap_set_mod(&mods, LDAP_MOD_ADD, "gidNumber", gidstr);
4908 }
4909
4910 if (!NT_STATUS_IS_OK((ret = ldapsam_get_new_rid(ldap_state, rid)))) {
4911 DEBUG(1, ("ldapsam_create_group: Could not allocate a new RID\n"));
4912 return ret;
4913 }
4914
4915 sid_copy(&group_sid, get_global_sam_sid());
4916 sid_append_rid(&group_sid, *rid);
4917
4918 groupsidstr = talloc_strdup(tmp_ctx, sid_string_static(&group_sid));
4919 grouptype = talloc_asprintf(tmp_ctx, "%d", SID_NAME_DOM_GRP);
4920
4921 if (!groupsidstr || !grouptype) {
4922 DEBUG(0,("ldapsam_create_group: Out of memory!\n"));
4923 return NT_STATUS_NO_MEMORY;
4924 }
4925
4926 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", "sambaGroupMapping");
4927 smbldap_set_mod(&mods, LDAP_MOD_ADD, "sambaSid", groupsidstr);
4928 smbldap_set_mod(&mods, LDAP_MOD_ADD, "sambaGroupType", grouptype);
4929 smbldap_set_mod(&mods, LDAP_MOD_ADD, "displayName", name);
4930 talloc_autofree_ldapmod(tmp_ctx, mods);
4931
4932 if (is_new_entry) {
4933 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
4934 #if 0
4935 if (rc == LDAP_OBJECT_CLASS_VIOLATION) {
4936 /* This call may fail with rfc2307bis schema */
4937 /* Retry adding a structural class */
4938 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", "????");
4939 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
4940 }
4941 #endif
4942 } else {
4943 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
4944 }
4945
4946 if (rc != LDAP_SUCCESS) {
4947 DEBUG(0,("ldapsam_create_group: failed to create a new group [%s] (dn = %s)\n", name ,dn));
4948 return NT_STATUS_UNSUCCESSFUL;
4949 }
4950
4951 DEBUG(2,("ldapsam_create_group: added group [%s] in the LDAP database\n", name));
4952
4953 return NT_STATUS_OK;
4954 }
4955
4956 static NTSTATUS ldapsam_delete_dom_group(struct pdb_methods *my_methods, TALLOC_CTX *tmp_ctx, uint32 rid)
4957 {
4958 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
4959 LDAPMessage *result = NULL;
4960 LDAPMessage *entry = NULL;
4961 int num_result;
4962 const char *dn;
4963 char *gidstr;
4964 char *filter;
4965 DOM_SID group_sid;
4966 int rc;
4967
4968 /* get the group sid */
4969 sid_copy(&group_sid, get_global_sam_sid());
4970 sid_append_rid(&group_sid, rid);
4971
4972 filter = talloc_asprintf(tmp_ctx,
4973 "(&(sambaSID=%s)"
4974 "(objectClass=posixGroup)"
4975 "(objectClass=sambaGroupMapping))",
4976 sid_string_static(&group_sid));
4977
4978 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
4979 if (rc != LDAP_SUCCESS) {
4980 DEBUG(1,("ldapsam_delete_dom_group: group search failed!\n"));
4981 return NT_STATUS_UNSUCCESSFUL;
4982 }
4983 talloc_autofree_ldapmsg(tmp_ctx, result);
4984
4985 num_result = ldap_count_entries(priv2ld(ldap_state), result);
4986
4987 if (num_result == 0) {
4988 DEBUG(1,("ldapsam_delete_dom_group: group not found!\n"));
4989 return NT_STATUS_NO_SUCH_GROUP;
4990 }
4991
4992 if (num_result > 1) {
4993 DEBUG (0, ("ldapsam_delete_dom_group: More than one group with the same SID ?!\n"));
4994 return NT_STATUS_INTERNAL_DB_CORRUPTION;
4995 }
4996
4997 entry = ldap_first_entry(priv2ld(ldap_state), result);
4998 if (!entry) {
4999 return NT_STATUS_UNSUCCESSFUL;
5000 }
5001
5002 /* here it is, retrieve the dn for later use */
5003 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5004 if (!dn) {
5005 DEBUG(0,("ldapsam_delete_dom_group: Out of memory!\n"));
5006 return NT_STATUS_NO_MEMORY;
5007 }
5008
5009 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5010 if (!gidstr) {
5011 DEBUG (0, ("ldapsam_delete_dom_group: Unable to find the group's gid!\n"));
5012 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5013 }
5014
5015 /* check no user have this group marked as primary group */
5016 filter = talloc_asprintf(tmp_ctx,
5017 "(&(gidNumber=%s)"
5018 "(objectClass=posixAccount)"
5019 "(objectClass=sambaSamAccount))",
5020 gidstr);
5021
5022 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5023 if (rc != LDAP_SUCCESS) {
5024 DEBUG(1,("ldapsam_delete_dom_group: accounts search failed!\n"));
5025 return NT_STATUS_UNSUCCESSFUL;
5026 }
5027 talloc_autofree_ldapmsg(tmp_ctx, result);
5028
5029 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5030
5031 if (num_result != 0) {
5032 DEBUG(3,("ldapsam_delete_dom_group: Can't delete group, it is a primary group for %d users\n", num_result));
5033 return NT_STATUS_MEMBERS_PRIMARY_GROUP;
5034 }
5035
5036 rc = smbldap_delete(ldap_state->smbldap_state, dn);
5037 if (rc != LDAP_SUCCESS) {
5038 return NT_STATUS_UNSUCCESSFUL;
5039 }
5040
5041 return NT_STATUS_OK;
5042 }
5043
5044 static NTSTATUS ldapsam_change_groupmem(struct pdb_methods *my_methods,
5045 TALLOC_CTX *tmp_ctx,
5046 uint32 group_rid,
5047 uint32 member_rid,
5048 int modop)
5049 {
5050 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5051 LDAPMessage *entry = NULL;
5052 LDAPMessage *result = NULL;
5053 uint32 num_result;
5054 LDAPMod **mods = NULL;
5055 char *filter;
5056 char *uidstr;
5057 const char *dn = NULL;
5058 DOM_SID group_sid;
5059 DOM_SID member_sid;
5060 int rc;
5061
5062 switch (modop) {
5063 case LDAP_MOD_ADD:
5064 DEBUG(1,("ldapsam_change_groupmem: add new member(rid=%d) to a domain group(rid=%d)", member_rid, group_rid));
5065 break;
5066 case LDAP_MOD_DELETE:
5067 DEBUG(1,("ldapsam_change_groupmem: delete member(rid=%d) from a domain group(rid=%d)", member_rid, group_rid));
5068 break;
5069 default:
5070 return NT_STATUS_UNSUCCESSFUL;
5071 }
5072
5073 /* get member sid */
5074 sid_copy(&member_sid, get_global_sam_sid());
5075 sid_append_rid(&member_sid, member_rid);
5076
5077 /* get the group sid */
5078 sid_copy(&group_sid, get_global_sam_sid());
5079 sid_append_rid(&group_sid, group_rid);
5080
5081 filter = talloc_asprintf(tmp_ctx,
5082 "(&(sambaSID=%s)"
5083 "(objectClass=posixAccount)"
5084 "(objectClass=sambaSamAccount))",
5085 sid_string_static(&member_sid));
5086
5087 /* get the member uid */
5088 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5089 if (rc != LDAP_SUCCESS) {
5090 DEBUG(1,("ldapsam_change_groupmem: member search failed!\n"));
5091 return NT_STATUS_UNSUCCESSFUL;
5092 }
5093 talloc_autofree_ldapmsg(tmp_ctx, result);
5094
5095 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5096
5097 if (num_result == 0) {
5098 DEBUG(1,("ldapsam_change_groupmem: member not found!\n"));
5099 return NT_STATUS_NO_SUCH_MEMBER;
5100 }
5101
5102 if (num_result > 1) {
5103 DEBUG (0, ("ldapsam_change_groupmem: More than one account with the same SID ?!\n"));
5104 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5105 }
5106
5107 entry = ldap_first_entry(priv2ld(ldap_state), result);
5108 if (!entry) {
5109 return NT_STATUS_UNSUCCESSFUL;
5110 }
5111
5112 if (modop == LDAP_MOD_DELETE) {
5113 /* check if we are trying to remove the member from his primary group */
5114 char *gidstr;
5115 gid_t user_gid, group_gid;
5116
5117 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5118 if (!gidstr) {
5119 DEBUG (0, ("ldapsam_change_groupmem: Unable to find the member's gid!\n"));
5120 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5121 }
5122
5123 user_gid = strtoul(gidstr, NULL, 10);
5124
5125 if (!sid_to_gid(&group_sid, &group_gid)) {
5126 DEBUG (0, ("ldapsam_change_groupmem: Unable to get group gid from SID!\n"));
5127 return NT_STATUS_UNSUCCESSFUL;
5128 }
5129
5130 if (user_gid == group_gid) {
5131 DEBUG (3, ("ldapsam_change_groupmem: can't remove user from it's own primary group!\n"));
5132 return NT_STATUS_MEMBERS_PRIMARY_GROUP;
5133 }
5134 }
5135
5136 /* here it is, retrieve the uid for later use */
5137 uidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "uid", tmp_ctx);
5138 if (!uidstr) {
5139 DEBUG (0, ("ldapsam_change_groupmem: Unable to find the member's name!\n"));
5140 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5141 }
5142
5143 filter = talloc_asprintf(tmp_ctx,
5144 "(&(sambaSID=%s)"
5145 "(objectClass=posixGroup)"
5146 "(objectClass=sambaGroupMapping))",
5147 sid_string_static(&group_sid));
5148
5149 /* get the group */
5150 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5151 if (rc != LDAP_SUCCESS) {
5152 DEBUG(1,("ldapsam_change_groupmem: group search failed!\n"));
5153 return NT_STATUS_UNSUCCESSFUL;
5154 }
5155 talloc_autofree_ldapmsg(tmp_ctx, result);
5156
5157 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5158
5159 if (num_result == 0) {
5160 DEBUG(1,("ldapsam_change_groupmem: group not found!\n"));
5161 return NT_STATUS_NO_SUCH_GROUP;
5162 }
5163
5164 if (num_result > 1) {
5165 DEBUG (0, ("ldapsam_change_groupmem: More than one group with the same SID ?!\n"));
5166 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5167 }
5168
5169 entry = ldap_first_entry(priv2ld(ldap_state), result);
5170 if (!entry) {
5171 return NT_STATUS_UNSUCCESSFUL;
5172 }
5173
5174 /* here it is, retrieve the dn for later use */
5175 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5176 if (!dn) {
5177 DEBUG(0,("ldapsam_change_groupmem: Out of memory!\n"));
5178 return NT_STATUS_NO_MEMORY;
5179 }
5180
5181 smbldap_set_mod(&mods, modop, "memberUid", uidstr);
5182
5183 talloc_autofree_ldapmod(tmp_ctx, mods);
5184
5185 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5186 if (rc != LDAP_SUCCESS) {
5187 if (rc == LDAP_TYPE_OR_VALUE_EXISTS && modop == LDAP_MOD_ADD) {
5188 DEBUG(1,("ldapsam_change_groupmem: member is already in group, add failed!\n"));
5189 return NT_STATUS_MEMBER_IN_GROUP;
5190 }
5191 if (rc == LDAP_NO_SUCH_ATTRIBUTE && modop == LDAP_MOD_DELETE) {
5192 DEBUG(1,("ldapsam_change_groupmem: member is not in group, delete failed!\n"));
5193 return NT_STATUS_MEMBER_NOT_IN_GROUP;
5194 }
5195 return NT_STATUS_UNSUCCESSFUL;
5196 }
5197
5198 return NT_STATUS_OK;
5199 }
5200
5201 static NTSTATUS ldapsam_add_groupmem(struct pdb_methods *my_methods,
5202 TALLOC_CTX *tmp_ctx,
5203 uint32 group_rid,
5204 uint32 member_rid)
5205 {
5206 return ldapsam_change_groupmem(my_methods, tmp_ctx, group_rid, member_rid, LDAP_MOD_ADD);
5207 }
5208 static NTSTATUS ldapsam_del_groupmem(struct pdb_methods *my_methods,
5209 TALLOC_CTX *tmp_ctx,
5210 uint32 group_rid,
5211 uint32 member_rid)
5212 {
5213 return ldapsam_change_groupmem(my_methods, tmp_ctx, group_rid, member_rid, LDAP_MOD_DELETE);
5214 }
5215
5216 static NTSTATUS ldapsam_set_primary_group(struct pdb_methods *my_methods,
5217 TALLOC_CTX *mem_ctx,
5218 struct samu *sampass)
5219 {
5220 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5221 LDAPMessage *entry = NULL;
5222 LDAPMessage *result = NULL;
5223 uint32 num_result;
5224 LDAPMod **mods = NULL;
5225 char *filter;
5226 char *gidstr;
5227 const char *dn = NULL;
5228 gid_t gid;
5229 int rc;
5230
5231 DEBUG(0,("ldapsam_set_primary_group: Attempt to set primary group for user [%s]\n", pdb_get_username(sampass)));
5232
5233 if (!sid_to_gid(pdb_get_group_sid(sampass), &gid)) {
5234 DEBUG(0,("ldapsam_set_primary_group: failed to retieve gid from user's group SID!\n"));
5235 return NT_STATUS_UNSUCCESSFUL;
5236 }
5237 gidstr = talloc_asprintf(mem_ctx, "%d", gid);
5238 if (!gidstr) {
5239 DEBUG(0,("ldapsam_set_primary_group: Out of Memory!\n"));
5240 return NT_STATUS_NO_MEMORY;
5241 }
5242
5243 filter = talloc_asprintf(mem_ctx,
5244 "(&(uid=%s)"
5245 "(objectClass=posixAccount)"
5246 "(objectClass=sambaSamAccount))",
5247 pdb_get_username(sampass));
5248
5249 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5250 if (rc != LDAP_SUCCESS) {
5251 DEBUG(0,("ldapsam_set_primary_group: user search failed!\n"));
5252 return NT_STATUS_UNSUCCESSFUL;
5253 }
5254 talloc_autofree_ldapmsg(mem_ctx, result);
5255
5256 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5257
5258 if (num_result == 0) {
5259 DEBUG(0,("ldapsam_set_primary_group: user not found!\n"));
5260 return NT_STATUS_NO_SUCH_USER;
5261 }
5262
5263 if (num_result > 1) {
5264 DEBUG (0, ("ldapsam_set_primary_group: More than one user with name [%s] ?!\n", pdb_get_username(sampass)));
5265 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5266 }
5267
5268 entry = ldap_first_entry(priv2ld(ldap_state), result);
5269 if (!entry) {
5270 return NT_STATUS_UNSUCCESSFUL;
5271 }
5272
5273 /* retrieve the dn for later use */
5274 dn = smbldap_talloc_dn(mem_ctx, priv2ld(ldap_state), entry);
5275 if (!dn) {
5276 DEBUG(0,("ldapsam_set_primary_group: Out of memory!\n"));
5277 return NT_STATUS_NO_MEMORY;
5278 }
5279
5280 /* remove the old one, and add the new one, this way we do not risk races */
5281 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "gidNumber", gidstr);
5282
5283 if (mods == NULL) {
5284 return NT_STATUS_OK;
5285 }
5286
5287 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5288
5289 if (rc != LDAP_SUCCESS) {
5290 DEBUG(0,("ldapsam_set_primary_group: failed to modify [%s] primary group to [%s]\n",
5291 pdb_get_username(sampass), gidstr));
5292 return NT_STATUS_UNSUCCESSFUL;
5293 }
5294
5295 flush_pwnam_cache();
5296
5297 return NT_STATUS_OK;
5298 }
5299
5300 /**********************************************************************
5301 Housekeeping
5302 *********************************************************************/
5303
5304 static void free_private_data(void **vp)
5305 {
5306 struct ldapsam_privates **ldap_state = (struct ldapsam_privates **)vp;
5307
5308 smbldap_free_struct(&(*ldap_state)->smbldap_state);
5309
5310 if ((*ldap_state)->result != NULL) {
5311 ldap_msgfree((*ldap_state)->result);
5312 (*ldap_state)->result = NULL;
5313 }
5314 if ((*ldap_state)->domain_dn != NULL) {
5315 SAFE_FREE((*ldap_state)->domain_dn);
5316 }
5317
5318 *ldap_state = NULL;
5319
5320 /* No need to free any further, as it is talloc()ed */
5321 }
5322
5323 /*********************************************************************
5324 Intitalise the parts of the pdb_methods structure that are common to
5325 all pdb_ldap modes
5326 *********************************************************************/
5327
5328 static NTSTATUS pdb_init_ldapsam_common(struct pdb_methods **pdb_method, const char *location)
5329 {
5330 NTSTATUS nt_status;
5331 struct ldapsam_privates *ldap_state;
5332
5333 if (!NT_STATUS_IS_OK(nt_status = make_pdb_method( pdb_method ))) {
5334 return nt_status;
5335 }
5336
5337 (*pdb_method)->name = "ldapsam";
5338
5339 (*pdb_method)->setsampwent = ldapsam_setsampwent;
5340 (*pdb_method)->endsampwent = ldapsam_endsampwent;
5341 (*pdb_method)->getsampwent = ldapsam_getsampwent;
5342 (*pdb_method)->getsampwnam = ldapsam_getsampwnam;
5343 (*pdb_method)->getsampwsid = ldapsam_getsampwsid;
5344 (*pdb_method)->add_sam_account = ldapsam_add_sam_account;
5345 (*pdb_method)->update_sam_account = ldapsam_update_sam_account;
5346 (*pdb_method)->delete_sam_account = ldapsam_delete_sam_account;
5347 (*pdb_method)->rename_sam_account = ldapsam_rename_sam_account;
5348
5349 (*pdb_method)->getgrsid = ldapsam_getgrsid;
5350 (*pdb_method)->getgrgid = ldapsam_getgrgid;
5351 (*pdb_method)->getgrnam = ldapsam_getgrnam;
5352 (*pdb_method)->add_group_mapping_entry = ldapsam_add_group_mapping_entry;
5353 (*pdb_method)->update_group_mapping_entry = ldapsam_update_group_mapping_entry;
5354 (*pdb_method)->delete_group_mapping_entry = ldapsam_delete_group_mapping_entry;
5355 (*pdb_method)->enum_group_mapping = ldapsam_enum_group_mapping;
5356
5357 (*pdb_method)->get_account_policy = ldapsam_get_account_policy;
5358 (*pdb_method)->set_account_policy = ldapsam_set_account_policy;
5359
5360 (*pdb_method)->get_seq_num = ldapsam_get_seq_num;
5361
5362 (*pdb_method)->rid_algorithm = ldapsam_rid_algorithm;
5363 (*pdb_method)->new_rid = ldapsam_new_rid;
5364
5365 /* TODO: Setup private data and free */
5366
5367 if ( !(ldap_state = TALLOC_ZERO_P(*pdb_method, struct ldapsam_privates)) ) {
5368 DEBUG(0, ("pdb_init_ldapsam_common: talloc() failed for ldapsam private_data!\n"));
5369 return NT_STATUS_NO_MEMORY;
5370 }
5371
5372 nt_status = smbldap_init(*pdb_method, location, &ldap_state->smbldap_state);
5373
5374 if ( !NT_STATUS_IS_OK(nt_status) ) {
5375 return nt_status;
5376 }
5377
5378 if ( !(ldap_state->domain_name = talloc_strdup(*pdb_method, get_global_sam_name()) ) ) {
5379 return NT_STATUS_NO_MEMORY;
5380 }
5381
5382 (*pdb_method)->private_data = ldap_state;
5383
5384 (*pdb_method)->free_private_data = free_private_data;
5385
5386 return NT_STATUS_OK;
5387 }
5388
5389 /**********************************************************************
5390 Initialise the 'compat' mode for pdb_ldap
5391 *********************************************************************/
5392
5393 NTSTATUS pdb_init_ldapsam_compat(struct pdb_methods **pdb_method, const char *location)
5394 {
5395 NTSTATUS nt_status;
5396 struct ldapsam_privates *ldap_state;
5397 char *uri = talloc_strdup( NULL, location );
5398
5399 #ifdef WITH_LDAP_SAMCONFIG
5400 if (!uri) {
5401 int ldap_port = lp_ldap_port();
5402
5403 /* remap default port if not using SSL (ie clear or TLS) */
5404 if ( (lp_ldap_ssl() != LDAP_SSL_ON) && (ldap_port == 636) ) {
5405 ldap_port = 389;
5406 }
5407
5408 uri = talloc_asprintf(NULL, "%s://%s:%d", lp_ldap_ssl() == LDAP_SSL_ON ? "ldaps" : "ldap", lp_ldap_server(), ldap_port);
5409 if (!uri) {
5410 return NT_STATUS_NO_MEMORY;
5411 }
5412 location = uri;
5413 }
5414 #endif
5415
5416 if (!NT_STATUS_IS_OK(nt_status = pdb_init_ldapsam_common( pdb_method, uri ))) {
5417 return nt_status;
5418 }
5419
5420 /* the module itself stores a copy of the location so throw this one away */
5421
5422 if ( uri )
5423 TALLOC_FREE( uri );
5424
5425 (*pdb_method)->name = "ldapsam_compat";
5426
5427 ldap_state = (*pdb_method)->private_data;
5428 ldap_state->schema_ver = SCHEMAVER_SAMBAACCOUNT;
5429
5430 sid_copy(&ldap_state->domain_sid, get_global_sam_sid());
5431
5432 return NT_STATUS_OK;
5433 }
5434
5435 /**********************************************************************
5436 Initialise the normal mode for pdb_ldap
5437 *********************************************************************/
5438
5439 NTSTATUS pdb_init_ldapsam(struct pdb_methods **pdb_method, const char *location)
5440 {
5441 NTSTATUS nt_status;
5442 struct ldapsam_privates *ldap_state;
5443 uint32 alg_rid_base;
5444 pstring alg_rid_base_string;
5445 LDAPMessage *result = NULL;
5446 LDAPMessage *entry = NULL;
5447 DOM_SID ldap_domain_sid;
5448 DOM_SID secrets_domain_sid;
5449 pstring domain_sid_string;
5450 char *dn;
5451
5452 nt_status = pdb_init_ldapsam_common(pdb_method, location);
5453 if (!NT_STATUS_IS_OK(nt_status)) {
5454 return nt_status;
5455 }
5456
5457 (*pdb_method)->name = "ldapsam";
5458
5459 (*pdb_method)->add_aliasmem = ldapsam_add_aliasmem;
5460 (*pdb_method)->del_aliasmem = ldapsam_del_aliasmem;
5461 (*pdb_method)->enum_aliasmem = ldapsam_enum_aliasmem;
5462 (*pdb_method)->enum_alias_memberships = ldapsam_alias_memberships;
5463 (*pdb_method)->search_users = ldapsam_search_users;
5464 (*pdb_method)->search_groups = ldapsam_search_groups;
5465 (*pdb_method)->search_aliases = ldapsam_search_aliases;
5466
5467 if (lp_parm_bool(-1, "ldapsam", "trusted", False)) {
5468 (*pdb_method)->enum_group_members = ldapsam_enum_group_members;
5469 (*pdb_method)->enum_group_memberships =
5470 ldapsam_enum_group_memberships;
5471 (*pdb_method)->lookup_rids = ldapsam_lookup_rids;
5472 (*pdb_method)->sid_to_id = ldapsam_sid_to_id;
5473
5474 if (lp_parm_bool(-1, "ldapsam", "editposix", False)) {
5475 (*pdb_method)->create_user = ldapsam_create_user;
5476 (*pdb_method)->delete_user = ldapsam_delete_user;
5477 (*pdb_method)->create_dom_group = ldapsam_create_dom_group;
5478 (*pdb_method)->delete_dom_group = ldapsam_delete_dom_group;
5479 (*pdb_method)->add_groupmem = ldapsam_add_groupmem;
5480 (*pdb_method)->del_groupmem = ldapsam_del_groupmem;
5481 (*pdb_method)->set_unix_primary_group = ldapsam_set_primary_group;
5482 }
5483 }
5484
5485 ldap_state = (*pdb_method)->private_data;
5486 ldap_state->schema_ver = SCHEMAVER_SAMBASAMACCOUNT;
5487
5488 /* Try to setup the Domain Name, Domain SID, algorithmic rid base */
5489
5490 nt_status = smbldap_search_domain_info(ldap_state->smbldap_state,
5491 &result,
5492 ldap_state->domain_name, True);
5493
5494 if ( !NT_STATUS_IS_OK(nt_status) ) {
5495 DEBUG(2, ("pdb_init_ldapsam: WARNING: Could not get domain "
5496 "info, nor add one to the domain\n"));
5497 DEBUGADD(2, ("pdb_init_ldapsam: Continuing on regardless, "
5498 "will be unable to allocate new users/groups, "
5499 "and will risk BDCs having inconsistant SIDs\n"));
5500 sid_copy(&ldap_state->domain_sid, get_global_sam_sid());
5501 return NT_STATUS_OK;
5502 }
5503
5504 /* Given that the above might fail, everything below this must be
5505 * optional */
5506
5507 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
5508 result);
5509 if (!entry) {
5510 DEBUG(0, ("pdb_init_ldapsam: Could not get domain info "
5511 "entry\n"));
5512 ldap_msgfree(result);
5513 return NT_STATUS_UNSUCCESSFUL;
5514 }
5515
5516 dn = smbldap_get_dn(ldap_state->smbldap_state->ldap_struct, entry);
5517 if (!dn) {
5518 return NT_STATUS_UNSUCCESSFUL;
5519 }
5520
5521 ldap_state->domain_dn = smb_xstrdup(dn);
5522 ldap_memfree(dn);
5523
5524 if (smbldap_get_single_pstring(
5525 ldap_state->smbldap_state->ldap_struct,
5526 entry,
5527 get_userattr_key2string(ldap_state->schema_ver,
5528 LDAP_ATTR_USER_SID),
5529 domain_sid_string)) {
5530 BOOL found_sid;
5531 if (!string_to_sid(&ldap_domain_sid, domain_sid_string)) {
5532 DEBUG(1, ("pdb_init_ldapsam: SID [%s] could not be "
5533 "read as a valid SID\n", domain_sid_string));
5534 return NT_STATUS_INVALID_PARAMETER;
5535 }
5536 found_sid = secrets_fetch_domain_sid(ldap_state->domain_name,
5537 &secrets_domain_sid);
5538 if (!found_sid || !sid_equal(&secrets_domain_sid,
5539 &ldap_domain_sid)) {
5540 fstring new_sid_str, old_sid_str;
5541 DEBUG(1, ("pdb_init_ldapsam: Resetting SID for domain "
5542 "%s based on pdb_ldap results %s -> %s\n",
5543 ldap_state->domain_name,
5544 sid_to_string(old_sid_str,
5545 &secrets_domain_sid),
5546 sid_to_string(new_sid_str,
5547 &ldap_domain_sid)));
5548
5549 /* reset secrets.tdb sid */
5550 secrets_store_domain_sid(ldap_state->domain_name,
5551 &ldap_domain_sid);
5552 DEBUG(1, ("New global sam SID: %s\n",
5553 sid_to_string(new_sid_str,
5554 get_global_sam_sid())));
5555 }
5556 sid_copy(&ldap_state->domain_sid, &ldap_domain_sid);
5557 }
5558
5559 if (smbldap_get_single_pstring(
5560 ldap_state->smbldap_state->ldap_struct,
5561 entry,
5562 get_attr_key2string( dominfo_attr_list,
5563 LDAP_ATTR_ALGORITHMIC_RID_BASE ),
5564 alg_rid_base_string)) {
5565 alg_rid_base = (uint32)atol(alg_rid_base_string);
5566 if (alg_rid_base != algorithmic_rid_base()) {
5567 DEBUG(0, ("The value of 'algorithmic RID base' has "
5568 "changed since the LDAP\n"
5569 "database was initialised. Aborting. \n"));
5570 ldap_msgfree(result);
5571 return NT_STATUS_UNSUCCESSFUL;
5572 }
5573 }
5574 ldap_msgfree(result);
5575
5576 return NT_STATUS_OK;
5577 }
5578
5579 NTSTATUS pdb_ldap_init(void)
5580 {
5581 NTSTATUS nt_status;
5582 if (!NT_STATUS_IS_OK(nt_status = smb_register_passdb(PASSDB_INTERFACE_VERSION, "ldapsam", pdb_init_ldapsam)))
5583 return nt_status;
5584
5585 if (!NT_STATUS_IS_OK(nt_status = smb_register_passdb(PASSDB_INTERFACE_VERSION, "ldapsam_compat", pdb_init_ldapsam_compat)))
5586 return nt_status;
5587
5588 /* Let pdb_nds register backends */
5589 pdb_nds_init();
5590
5591 return NT_STATUS_OK;
5592 }
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