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r19058: Implement "user cannot change password", and complete "user must change
[Samba/bb.git] / source / passdb / pdb_ldap.c
bloba716dfa8058e57c8b6fac8ee06808b6752910fcf
1 /*
2 Unix SMB/CIFS implementation.
3 LDAP protocol helper functions for SAMBA
4 Copyright (C) Jean François Micouleau 1998
5 Copyright (C) Gerald Carter 2001-2003
6 Copyright (C) Shahms King 2001
7 Copyright (C) Andrew Bartlett 2002-2003
8 Copyright (C) Stefan (metze) Metzmacher 2002-2003
9 Copyright (C) Simo Sorce 2006
10
11 This program is free software; you can redistribute it and/or modify
12 it under the terms of the GNU General Public License as published by
13 the Free Software Foundation; either version 2 of the License, or
14 (at your option) any later version.
15
16 This program is distributed in the hope that it will be useful,
17 but WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 GNU General Public License for more details.
20
21 You should have received a copy of the GNU General Public License
22 along with this program; if not, write to the Free Software
23 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24
25 */
26
27 /* TODO:
28 * persistent connections: if using NSS LDAP, many connections are made
29 * however, using only one within Samba would be nice
30 *
31 * Clean up SSL stuff, compile on OpenLDAP 1.x, 2.x, and Netscape SDK
32 *
33 * Other LDAP based login attributes: accountExpires, etc.
34 * (should be the domain of Samba proper, but the sam_password/struct samu
35 * structures don't have fields for some of these attributes)
36 *
37 * SSL is done, but can't get the certificate based authentication to work
38 * against on my test platform (Linux 2.4, OpenLDAP 2.x)
39 */
40
41 /* NOTE: this will NOT work against an Active Directory server
42 * due to the fact that the two password fields cannot be retrieved
43 * from a server; recommend using security = domain in this situation
44 * and/or winbind
45 */
46
47 #include "includes.h"
48
49 #undef DBGC_CLASS
50 #define DBGC_CLASS DBGC_PASSDB
51
52 #include <lber.h>
53 #include <ldap.h>
54
55 /*
56 * Work around versions of the LDAP client libs that don't have the OIDs
57 * defined, or have them defined under the old name.
58 * This functionality is really a factor of the server, not the client
59 *
60 */
61
62 #if defined(LDAP_EXOP_X_MODIFY_PASSWD) && !defined(LDAP_EXOP_MODIFY_PASSWD)
63 #define LDAP_EXOP_MODIFY_PASSWD LDAP_EXOP_X_MODIFY_PASSWD
64 #elif !defined(LDAP_EXOP_MODIFY_PASSWD)
65 #define LDAP_EXOP_MODIFY_PASSWD "1.3.6.1.4.1.4203.1.11.1"
66 #endif
67
68 #if defined(LDAP_EXOP_X_MODIFY_PASSWD_ID) && !defined(LDAP_EXOP_MODIFY_PASSWD_ID)
69 #define LDAP_TAG_EXOP_MODIFY_PASSWD_ID LDAP_EXOP_X_MODIFY_PASSWD_ID
70 #elif !defined(LDAP_EXOP_MODIFY_PASSWD_ID)
71 #define LDAP_TAG_EXOP_MODIFY_PASSWD_ID ((ber_tag_t) 0x80U)
72 #endif
73
74 #if defined(LDAP_EXOP_X_MODIFY_PASSWD_NEW) && !defined(LDAP_EXOP_MODIFY_PASSWD_NEW)
75 #define LDAP_TAG_EXOP_MODIFY_PASSWD_NEW LDAP_EXOP_X_MODIFY_PASSWD_NEW
76 #elif !defined(LDAP_EXOP_MODIFY_PASSWD_NEW)
77 #define LDAP_TAG_EXOP_MODIFY_PASSWD_NEW ((ber_tag_t) 0x82U)
78 #endif
79
80
81 #include "smbldap.h"
82
83 /**********************************************************************
84 Simple helper function to make stuff better readable
85 **********************************************************************/
86
87 static LDAP *priv2ld(struct ldapsam_privates *priv)
88 {
89 return priv->smbldap_state->ldap_struct;
90 }
91
92 /**********************************************************************
93 Get the attribute name given a user schame version.
94 **********************************************************************/
95
96 static const char* get_userattr_key2string( int schema_ver, int key )
97 {
98 switch ( schema_ver ) {
99 case SCHEMAVER_SAMBAACCOUNT:
100 return get_attr_key2string( attrib_map_v22, key );
101
102 case SCHEMAVER_SAMBASAMACCOUNT:
103 return get_attr_key2string( attrib_map_v30, key );
104
105 default:
106 DEBUG(0,("get_userattr_key2string: unknown schema version specified\n"));
107 break;
108 }
109 return NULL;
110 }
111
112 /**********************************************************************
113 Return the list of attribute names given a user schema version.
114 **********************************************************************/
115
116 const char** get_userattr_list( TALLOC_CTX *mem_ctx, int schema_ver )
117 {
118 switch ( schema_ver ) {
119 case SCHEMAVER_SAMBAACCOUNT:
120 return get_attr_list( mem_ctx, attrib_map_v22 );
121
122 case SCHEMAVER_SAMBASAMACCOUNT:
123 return get_attr_list( mem_ctx, attrib_map_v30 );
124 default:
125 DEBUG(0,("get_userattr_list: unknown schema version specified!\n"));
126 break;
127 }
128
129 return NULL;
130 }
131
132 /**************************************************************************
133 Return the list of attribute names to delete given a user schema version.
134 **************************************************************************/
135
136 static const char** get_userattr_delete_list( TALLOC_CTX *mem_ctx,
137 int schema_ver )
138 {
139 switch ( schema_ver ) {
140 case SCHEMAVER_SAMBAACCOUNT:
141 return get_attr_list( mem_ctx,
142 attrib_map_to_delete_v22 );
143
144 case SCHEMAVER_SAMBASAMACCOUNT:
145 return get_attr_list( mem_ctx,
146 attrib_map_to_delete_v30 );
147 default:
148 DEBUG(0,("get_userattr_delete_list: unknown schema version specified!\n"));
149 break;
150 }
151
152 return NULL;
153 }
154
155
156 /*******************************************************************
157 Generate the LDAP search filter for the objectclass based on the
158 version of the schema we are using.
159 ******************************************************************/
160
161 static const char* get_objclass_filter( int schema_ver )
162 {
163 static fstring objclass_filter;
164
165 switch( schema_ver ) {
166 case SCHEMAVER_SAMBAACCOUNT:
167 fstr_sprintf( objclass_filter, "(objectclass=%s)", LDAP_OBJ_SAMBAACCOUNT );
168 break;
169 case SCHEMAVER_SAMBASAMACCOUNT:
170 fstr_sprintf( objclass_filter, "(objectclass=%s)", LDAP_OBJ_SAMBASAMACCOUNT );
171 break;
172 default:
173 DEBUG(0,("get_objclass_filter: Invalid schema version specified!\n"));
174 break;
175 }
176
177 return objclass_filter;
178 }
179
180 /*****************************************************************
181 Scan a sequence number off OpenLDAP's syncrepl contextCSN
182 ******************************************************************/
183
184 static NTSTATUS ldapsam_get_seq_num(struct pdb_methods *my_methods, time_t *seq_num)
185 {
186 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
187 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
188 LDAPMessage *msg = NULL;
189 LDAPMessage *entry = NULL;
190 TALLOC_CTX *mem_ctx;
191 char **values = NULL;
192 int rc, num_result, num_values, rid;
193 pstring suffix;
194 fstring tok;
195 const char *p;
196 const char **attrs;
197
198 /* Unfortunatly there is no proper way to detect syncrepl-support in
199 * smbldap_connect_system(). The syncrepl OIDs are submitted for publication
200 * but do not show up in the root-DSE yet. Neither we can query the
201 * subschema-context for the syncProviderSubentry or syncConsumerSubentry
202 * objectclass. Currently we require lp_ldap_suffix() to show up as
203 * namingContext. - Guenther
204 */
205
206 if (!lp_parm_bool(-1, "ldapsam", "syncrepl_seqnum", False)) {
207 return ntstatus;
208 }
209
210 if (!seq_num) {
211 DEBUG(3,("ldapsam_get_seq_num: no sequence_number\n"));
212 return ntstatus;
213 }
214
215 if (!smbldap_has_naming_context(ldap_state->smbldap_state->ldap_struct, lp_ldap_suffix())) {
216 DEBUG(3,("ldapsam_get_seq_num: DIT not configured to hold %s "
217 "as top-level namingContext\n", lp_ldap_suffix()));
218 return ntstatus;
219 }
220
221 mem_ctx = talloc_init("ldapsam_get_seq_num");
222
223 if (mem_ctx == NULL)
224 return NT_STATUS_NO_MEMORY;
225
226 if ((attrs = TALLOC_ARRAY(mem_ctx, const char *, 2)) == NULL) {
227 ntstatus = NT_STATUS_NO_MEMORY;
228 goto done;
229 }
230
231 /* if we got a syncrepl-rid (up to three digits long) we speak with a consumer */
232 rid = lp_parm_int(-1, "ldapsam", "syncrepl_rid", -1);
233 if (rid > 0) {
234
235 /* consumer syncreplCookie: */
236 /* csn=20050126161620Z#0000001#00#00000 */
237 attrs[0] = talloc_strdup(mem_ctx, "syncreplCookie");
238 attrs[1] = NULL;
239 pstr_sprintf( suffix, "cn=syncrepl%d,%s", rid, lp_ldap_suffix());
240
241 } else {
242
243 /* provider contextCSN */
244 /* 20050126161620Z#000009#00#000000 */
245 attrs[0] = talloc_strdup(mem_ctx, "contextCSN");
246 attrs[1] = NULL;
247 pstr_sprintf( suffix, "cn=ldapsync,%s", lp_ldap_suffix());
248
249 }
250
251 rc = smbldap_search(ldap_state->smbldap_state, suffix,
252 LDAP_SCOPE_BASE, "(objectclass=*)", attrs, 0, &msg);
253
254 if (rc != LDAP_SUCCESS) {
255 goto done;
256 }
257
258 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg);
259 if (num_result != 1) {
260 DEBUG(3,("ldapsam_get_seq_num: Expected one entry, got %d\n", num_result));
261 goto done;
262 }
263
264 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg);
265 if (entry == NULL) {
266 DEBUG(3,("ldapsam_get_seq_num: Could not retrieve entry\n"));
267 goto done;
268 }
269
270 values = ldap_get_values(ldap_state->smbldap_state->ldap_struct, entry, attrs[0]);
271 if (values == NULL) {
272 DEBUG(3,("ldapsam_get_seq_num: no values\n"));
273 goto done;
274 }
275
276 num_values = ldap_count_values(values);
277 if (num_values == 0) {
278 DEBUG(3,("ldapsam_get_seq_num: not a single value\n"));
279 goto done;
280 }
281
282 p = values[0];
283 if (!next_token(&p, tok, "#", sizeof(tok))) {
284 DEBUG(0,("ldapsam_get_seq_num: failed to parse sequence number\n"));
285 goto done;
286 }
287
288 p = tok;
289 if (!strncmp(p, "csn=", strlen("csn=")))
290 p += strlen("csn=");
291
292 DEBUG(10,("ldapsam_get_seq_num: got %s: %s\n", attrs[0], p));
293
294 *seq_num = generalized_to_unix_time(p);
295
296 /* very basic sanity check */
297 if (*seq_num <= 0) {
298 DEBUG(3,("ldapsam_get_seq_num: invalid sequence number: %d\n",
299 (int)*seq_num));
300 goto done;
301 }
302
303 ntstatus = NT_STATUS_OK;
304
305 done:
306 if (values != NULL)
307 ldap_value_free(values);
308 if (msg != NULL)
309 ldap_msgfree(msg);
310 if (mem_ctx)
311 talloc_destroy(mem_ctx);
312
313 return ntstatus;
314 }
315
316 /*******************************************************************
317 Run the search by name.
318 ******************************************************************/
319
320 int ldapsam_search_suffix_by_name(struct ldapsam_privates *ldap_state,
321 const char *user,
322 LDAPMessage ** result,
323 const char **attr)
324 {
325 pstring filter;
326 char *escape_user = escape_ldap_string_alloc(user);
327
328 if (!escape_user) {
329 return LDAP_NO_MEMORY;
330 }
331
332 /*
333 * in the filter expression, replace %u with the real name
334 * so in ldap filter, %u MUST exist :-)
335 */
336 pstr_sprintf(filter, "(&%s%s)", "(uid=%u)",
337 get_objclass_filter(ldap_state->schema_ver));
338
339 /*
340 * have to use this here because $ is filtered out
341 * in pstring_sub
342 */
343
344
345 all_string_sub(filter, "%u", escape_user, sizeof(pstring));
346 SAFE_FREE(escape_user);
347
348 return smbldap_search_suffix(ldap_state->smbldap_state, filter, attr, result);
349 }
350
351 /*******************************************************************
352 Run the search by rid.
353 ******************************************************************/
354
355 static int ldapsam_search_suffix_by_rid (struct ldapsam_privates *ldap_state,
356 uint32 rid, LDAPMessage ** result,
357 const char **attr)
358 {
359 pstring filter;
360 int rc;
361
362 pstr_sprintf(filter, "(&(rid=%i)%s)", rid,
363 get_objclass_filter(ldap_state->schema_ver));
364
365 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, attr, result);
366
367 return rc;
368 }
369
370 /*******************************************************************
371 Run the search by SID.
372 ******************************************************************/
373
374 static int ldapsam_search_suffix_by_sid (struct ldapsam_privates *ldap_state,
375 const DOM_SID *sid, LDAPMessage ** result,
376 const char **attr)
377 {
378 pstring filter;
379 int rc;
380 fstring sid_string;
381
382 pstr_sprintf(filter, "(&(%s=%s)%s)",
383 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_SID),
384 sid_to_string(sid_string, sid),
385 get_objclass_filter(ldap_state->schema_ver));
386
387 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, attr, result);
388
389 return rc;
390 }
391
392 /*******************************************************************
393 Delete complete object or objectclass and attrs from
394 object found in search_result depending on lp_ldap_delete_dn
395 ******************************************************************/
396
397 static int ldapsam_delete_entry(struct ldapsam_privates *priv,
398 TALLOC_CTX *mem_ctx,
399 LDAPMessage *entry,
400 const char *objectclass,
401 const char **attrs)
402 {
403 LDAPMod **mods = NULL;
404 char *name;
405 const char *dn;
406 BerElement *ptr = NULL;
407
408 dn = smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry);
409 if (dn == NULL) {
410 return LDAP_NO_MEMORY;
411 }
412
413 if (lp_ldap_delete_dn()) {
414 return smbldap_delete(priv->smbldap_state, dn);
415 }
416
417 /* Ok, delete only the SAM attributes */
418
419 for (name = ldap_first_attribute(priv2ld(priv), entry, &ptr);
420 name != NULL;
421 name = ldap_next_attribute(priv2ld(priv), entry, ptr)) {
422 const char **attrib;
423
424 /* We are only allowed to delete the attributes that
425 really exist. */
426
427 for (attrib = attrs; *attrib != NULL; attrib++) {
428 if (strequal(*attrib, name)) {
429 DEBUG(10, ("ldapsam_delete_entry: deleting "
430 "attribute %s\n", name));
431 smbldap_set_mod(&mods, LDAP_MOD_DELETE, name,
432 NULL);
433 }
434 }
435 ldap_memfree(name);
436 }
437
438 if (ptr != NULL) {
439 ber_free(ptr, 0);
440 }
441
442 smbldap_set_mod(&mods, LDAP_MOD_DELETE, "objectClass", objectclass);
443 talloc_autofree_ldapmod(mem_ctx, mods);
444
445 return smbldap_modify(priv->smbldap_state, dn, mods);
446 }
447
448 static time_t ldapsam_get_entry_timestamp( struct ldapsam_privates *ldap_state, LDAPMessage * entry)
449 {
450 pstring temp;
451 struct tm tm;
452
453 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
454 get_userattr_key2string(ldap_state->schema_ver,LDAP_ATTR_MOD_TIMESTAMP),
455 temp))
456 return (time_t) 0;
457
458 strptime(temp, "%Y%m%d%H%M%SZ", &tm);
459 tzset();
460 return timegm(&tm);
461 }
462
463 /**********************************************************************
464 Initialize struct samu from an LDAP query.
465 (Based on init_sam_from_buffer in pdb_tdb.c)
466 *********************************************************************/
467
468 static BOOL init_sam_from_ldap(struct ldapsam_privates *ldap_state,
469 struct samu * sampass,
470 LDAPMessage * entry)
471 {
472 time_t logon_time,
473 logoff_time,
474 kickoff_time,
475 pass_last_set_time,
476 pass_can_change_time,
477 pass_must_change_time,
478 ldap_entry_time,
479 bad_password_time;
480 pstring username,
481 domain,
482 nt_username,
483 fullname,
484 homedir,
485 dir_drive,
486 logon_script,
487 profile_path,
488 acct_desc,
489 workstations;
490 char munged_dial[2048];
491 uint32 user_rid;
492 uint8 smblmpwd[LM_HASH_LEN],
493 smbntpwd[NT_HASH_LEN];
494 BOOL use_samba_attrs = True;
495 uint32 acct_ctrl = 0;
496 uint16 logon_divs;
497 uint16 bad_password_count = 0,
498 logon_count = 0;
499 uint32 hours_len;
500 uint8 hours[MAX_HOURS_LEN];
501 pstring temp;
502 LOGIN_CACHE *cache_entry = NULL;
503 uint32 pwHistLen;
504 pstring tmpstring;
505 BOOL expand_explicit = lp_passdb_expand_explicit();
506
507 /*
508 * do a little initialization
509 */
510 username[0] = '\0';
511 domain[0] = '\0';
512 nt_username[0] = '\0';
513 fullname[0] = '\0';
514 homedir[0] = '\0';
515 dir_drive[0] = '\0';
516 logon_script[0] = '\0';
517 profile_path[0] = '\0';
518 acct_desc[0] = '\0';
519 munged_dial[0] = '\0';
520 workstations[0] = '\0';
521
522
523 if (sampass == NULL || ldap_state == NULL || entry == NULL) {
524 DEBUG(0, ("init_sam_from_ldap: NULL parameters found!\n"));
525 return False;
526 }
527
528 if (priv2ld(ldap_state) == NULL) {
529 DEBUG(0, ("init_sam_from_ldap: ldap_state->smbldap_state->"
530 "ldap_struct is NULL!\n"));
531 return False;
532 }
533
534 if (!smbldap_get_single_pstring(priv2ld(ldap_state), entry, "uid",
535 username)) {
536 DEBUG(1, ("init_sam_from_ldap: No uid attribute found for "
537 "this user!\n"));
538 return False;
539 }
540
541 DEBUG(2, ("init_sam_from_ldap: Entry found for user: %s\n", username));
542
543 pstrcpy(nt_username, username);
544
545 pstrcpy(domain, ldap_state->domain_name);
546
547 pdb_set_username(sampass, username, PDB_SET);
548
549 pdb_set_domain(sampass, domain, PDB_DEFAULT);
550 pdb_set_nt_username(sampass, nt_username, PDB_SET);
551
552 /* deal with different attributes between the schema first */
553
554 if ( ldap_state->schema_ver == SCHEMAVER_SAMBASAMACCOUNT ) {
555 if (smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
556 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_SID), temp)) {
557 pdb_set_user_sid_from_string(sampass, temp, PDB_SET);
558 }
559 } else {
560 if (smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
561 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_RID), temp)) {
562 user_rid = (uint32)atol(temp);
563 pdb_set_user_sid_from_rid(sampass, user_rid, PDB_SET);
564 }
565 }
566
567 if (pdb_get_init_flags(sampass,PDB_USERSID) == PDB_DEFAULT) {
568 DEBUG(1, ("init_sam_from_ldap: no %s or %s attribute found for this user %s\n",
569 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_SID),
570 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_RID),
571 username));
572 return False;
573 }
574
575 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
576 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_LAST_SET), temp)) {
577 /* leave as default */
578 } else {
579 pass_last_set_time = (time_t) atol(temp);
580 pdb_set_pass_last_set_time(sampass, pass_last_set_time, PDB_SET);
581 }
582
583 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
584 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_TIME), temp)) {
585 /* leave as default */
586 } else {
587 logon_time = (time_t) atol(temp);
588 pdb_set_logon_time(sampass, logon_time, PDB_SET);
589 }
590
591 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
592 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGOFF_TIME), temp)) {
593 /* leave as default */
594 } else {
595 logoff_time = (time_t) atol(temp);
596 pdb_set_logoff_time(sampass, logoff_time, PDB_SET);
597 }
598
599 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
600 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_KICKOFF_TIME), temp)) {
601 /* leave as default */
602 } else {
603 kickoff_time = (time_t) atol(temp);
604 pdb_set_kickoff_time(sampass, kickoff_time, PDB_SET);
605 }
606
607 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
608 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_CAN_CHANGE), temp)) {
609 /* leave as default */
610 } else {
611 pass_can_change_time = (time_t) atol(temp);
612 pdb_set_pass_can_change_time(sampass, pass_can_change_time, PDB_SET);
613 }
614
615 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
616 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_MUST_CHANGE), temp)) {
617 /* leave as default */
618 } else {
619 pass_must_change_time = (time_t) atol(temp);
620 pdb_set_pass_must_change_time(sampass, pass_must_change_time, PDB_SET);
621 }
622
623 /* recommend that 'gecos' and 'displayName' should refer to the same
624 * attribute OID. userFullName depreciated, only used by Samba
625 * primary rules of LDAP: don't make a new attribute when one is already defined
626 * that fits your needs; using cn then displayName rather than 'userFullName'
627 */
628
629 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
630 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DISPLAY_NAME), fullname)) {
631 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
632 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_CN), fullname)) {
633 /* leave as default */
634 } else {
635 pdb_set_fullname(sampass, fullname, PDB_SET);
636 }
637 } else {
638 pdb_set_fullname(sampass, fullname, PDB_SET);
639 }
640
641 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
642 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_DRIVE), dir_drive))
643 {
644 pdb_set_dir_drive( sampass, lp_logon_drive(), PDB_DEFAULT );
645 } else {
646 pdb_set_dir_drive(sampass, dir_drive, PDB_SET);
647 }
648
649 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
650 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_PATH), homedir))
651 {
652 pdb_set_homedir( sampass,
653 talloc_sub_basic(sampass, username, domain,
654 lp_logon_home()),
655 PDB_DEFAULT );
656 } else {
657 pstrcpy( tmpstring, homedir );
658 if (expand_explicit) {
659 standard_sub_basic( username, domain, tmpstring,
660 sizeof(tmpstring) );
661 }
662 pdb_set_homedir(sampass, tmpstring, PDB_SET);
663 }
664
665 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
666 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_SCRIPT), logon_script))
667 {
668 pdb_set_logon_script( sampass,
669 talloc_sub_basic(sampass, username, domain,
670 lp_logon_script()),
671 PDB_DEFAULT );
672 } else {
673 pstrcpy( tmpstring, logon_script );
674 if (expand_explicit) {
675 standard_sub_basic( username, domain, tmpstring,
676 sizeof(tmpstring) );
677 }
678 pdb_set_logon_script(sampass, tmpstring, PDB_SET);
679 }
680
681 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
682 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PROFILE_PATH), profile_path))
683 {
684 pdb_set_profile_path( sampass,
685 talloc_sub_basic( sampass, username, domain,
686 lp_logon_path()),
687 PDB_DEFAULT );
688 } else {
689 pstrcpy( tmpstring, profile_path );
690 if (expand_explicit) {
691 standard_sub_basic( username, domain, tmpstring,
692 sizeof(tmpstring) );
693 }
694 pdb_set_profile_path(sampass, tmpstring, PDB_SET);
695 }
696
697 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
698 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DESC), acct_desc))
699 {
700 /* leave as default */
701 } else {
702 pdb_set_acct_desc(sampass, acct_desc, PDB_SET);
703 }
704
705 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
706 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_WKS), workstations)) {
707 /* leave as default */;
708 } else {
709 pdb_set_workstations(sampass, workstations, PDB_SET);
710 }
711
712 if (!smbldap_get_single_attribute(ldap_state->smbldap_state->ldap_struct, entry,
713 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_MUNGED_DIAL), munged_dial, sizeof(munged_dial))) {
714 /* leave as default */;
715 } else {
716 pdb_set_munged_dial(sampass, munged_dial, PDB_SET);
717 }
718
719 /* FIXME: hours stuff should be cleaner */
720
721 logon_divs = 168;
722 hours_len = 21;
723 memset(hours, 0xff, hours_len);
724
725 if (ldap_state->is_nds_ldap) {
726 char *user_dn;
727 size_t pwd_len;
728 char clear_text_pw[512];
729
730 /* Make call to Novell eDirectory ldap extension to get clear text password.
731 NOTE: This will only work if we have an SSL connection to eDirectory. */
732 user_dn = smbldap_get_dn(ldap_state->smbldap_state->ldap_struct, entry);
733 if (user_dn != NULL) {
734 DEBUG(3, ("init_sam_from_ldap: smbldap_get_dn(%s) returned '%s'\n", username, user_dn));
735
736 pwd_len = sizeof(clear_text_pw);
737 if (pdb_nds_get_password(ldap_state->smbldap_state, user_dn, &pwd_len, clear_text_pw) == LDAP_SUCCESS) {
738 nt_lm_owf_gen(clear_text_pw, smbntpwd, smblmpwd);
739 if (!pdb_set_lanman_passwd(sampass, smblmpwd, PDB_SET)) {
740 SAFE_FREE(user_dn);
741 return False;
742 }
743 ZERO_STRUCT(smblmpwd);
744 if (!pdb_set_nt_passwd(sampass, smbntpwd, PDB_SET)) {
745 SAFE_FREE(user_dn);
746 return False;
747 }
748 ZERO_STRUCT(smbntpwd);
749 use_samba_attrs = False;
750 }
751
752 SAFE_FREE(user_dn);
753
754 } else {
755 DEBUG(0, ("init_sam_from_ldap: failed to get user_dn for '%s'\n", username));
756 }
757 }
758
759 if (use_samba_attrs) {
760 if (!smbldap_get_single_pstring (ldap_state->smbldap_state->ldap_struct, entry,
761 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LMPW), temp)) {
762 /* leave as default */
763 } else {
764 pdb_gethexpwd(temp, smblmpwd);
765 memset((char *)temp, '\0', strlen(temp)+1);
766 if (!pdb_set_lanman_passwd(sampass, smblmpwd, PDB_SET))
767 return False;
768 ZERO_STRUCT(smblmpwd);
769 }
770
771 if (!smbldap_get_single_pstring (ldap_state->smbldap_state->ldap_struct, entry,
772 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_NTPW), temp)) {
773 /* leave as default */
774 } else {
775 pdb_gethexpwd(temp, smbntpwd);
776 memset((char *)temp, '\0', strlen(temp)+1);
777 if (!pdb_set_nt_passwd(sampass, smbntpwd, PDB_SET))
778 return False;
779 ZERO_STRUCT(smbntpwd);
780 }
781 }
782
783 pwHistLen = 0;
784
785 pdb_get_account_policy(AP_PASSWORD_HISTORY, &pwHistLen);
786 if (pwHistLen > 0){
787 uint8 *pwhist = NULL;
788 int i;
789 char history_string[MAX_PW_HISTORY_LEN*64];
790
791 pwHistLen = MIN(pwHistLen, MAX_PW_HISTORY_LEN);
792
793 if ((pwhist = SMB_MALLOC_ARRAY(uint8, pwHistLen * PW_HISTORY_ENTRY_LEN)) == NULL){
794 DEBUG(0, ("init_sam_from_ldap: malloc failed!\n"));
795 return False;
796 }
797 memset(pwhist, '\0', pwHistLen * PW_HISTORY_ENTRY_LEN);
798
799 if (!smbldap_get_single_attribute(ldap_state->smbldap_state->ldap_struct, entry,
800 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_HISTORY),
801 history_string, sizeof(history_string))) {
802 /* leave as default - zeros */
803 } else {
804 BOOL hex_failed = False;
805 for (i = 0; i < pwHistLen; i++){
806 /* Get the 16 byte salt. */
807 if (!pdb_gethexpwd(&history_string[i*64], &pwhist[i*PW_HISTORY_ENTRY_LEN])) {
808 hex_failed = True;
809 break;
810 }
811 /* Get the 16 byte MD5 hash of salt+passwd. */
812 if (!pdb_gethexpwd(&history_string[(i*64)+32],
813 &pwhist[(i*PW_HISTORY_ENTRY_LEN)+PW_HISTORY_SALT_LEN])) {
814 hex_failed = True;
815 break;
816 }
817 }
818 if (hex_failed) {
819 DEBUG(0,("init_sam_from_ldap: Failed to get password history for user %s\n",
820 username));
821 memset(pwhist, '\0', pwHistLen * PW_HISTORY_ENTRY_LEN);
822 }
823 }
824 if (!pdb_set_pw_history(sampass, pwhist, pwHistLen, PDB_SET)){
825 SAFE_FREE(pwhist);
826 return False;
827 }
828 SAFE_FREE(pwhist);
829 }
830
831 if (!smbldap_get_single_pstring (ldap_state->smbldap_state->ldap_struct, entry,
832 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_ACB_INFO), temp)) {
833 acct_ctrl |= ACB_NORMAL;
834 } else {
835 acct_ctrl = pdb_decode_acct_ctrl(temp);
836
837 if (acct_ctrl == 0)
838 acct_ctrl |= ACB_NORMAL;
839
840 pdb_set_acct_ctrl(sampass, acct_ctrl, PDB_SET);
841 }
842
843 pdb_set_hours_len(sampass, hours_len, PDB_SET);
844 pdb_set_logon_divs(sampass, logon_divs, PDB_SET);
845
846 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
847 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_BAD_PASSWORD_COUNT), temp)) {
848 /* leave as default */
849 } else {
850 bad_password_count = (uint32) atol(temp);
851 pdb_set_bad_password_count(sampass, bad_password_count, PDB_SET);
852 }
853
854 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
855 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_BAD_PASSWORD_TIME), temp)) {
856 /* leave as default */
857 } else {
858 bad_password_time = (time_t) atol(temp);
859 pdb_set_bad_password_time(sampass, bad_password_time, PDB_SET);
860 }
861
862
863 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
864 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_COUNT), temp)) {
865 /* leave as default */
866 } else {
867 logon_count = (uint32) atol(temp);
868 pdb_set_logon_count(sampass, logon_count, PDB_SET);
869 }
870
871 /* pdb_set_unknown_6(sampass, unknown6, PDB_SET); */
872
873 if(!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
874 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_HOURS), temp)) {
875 /* leave as default */
876 } else {
877 pdb_gethexhours(temp, hours);
878 memset((char *)temp, '\0', strlen(temp) +1);
879 pdb_set_hours(sampass, hours, PDB_SET);
880 ZERO_STRUCT(hours);
881 }
882
883 if (lp_parm_bool(-1, "ldapsam", "trusted", False)) {
884 if (smbldap_get_single_pstring(priv2ld(ldap_state), entry,
885 "uidNumber", temp)) {
886 /* We've got a uid, feed the cache */
887 uid_t uid = strtoul(temp, NULL, 10);
888 store_uid_sid_cache(pdb_get_user_sid(sampass), uid);
889 }
890 }
891
892 /* check the timestamp of the cache vs ldap entry */
893 if (!(ldap_entry_time = ldapsam_get_entry_timestamp(ldap_state,
894 entry)))
895 return True;
896
897 /* see if we have newer updates */
898 if (!(cache_entry = login_cache_read(sampass))) {
899 DEBUG (9, ("No cache entry, bad count = %u, bad time = %u\n",
900 (unsigned int)pdb_get_bad_password_count(sampass),
901 (unsigned int)pdb_get_bad_password_time(sampass)));
902 return True;
903 }
904
905 DEBUG(7, ("ldap time is %u, cache time is %u, bad time = %u\n",
906 (unsigned int)ldap_entry_time, (unsigned int)cache_entry->entry_timestamp,
907 (unsigned int)cache_entry->bad_password_time));
908
909 if (ldap_entry_time > cache_entry->entry_timestamp) {
910 /* cache is older than directory , so
911 we need to delete the entry but allow the
912 fields to be written out */
913 login_cache_delentry(sampass);
914 } else {
915 /* read cache in */
916 pdb_set_acct_ctrl(sampass,
917 pdb_get_acct_ctrl(sampass) |
918 (cache_entry->acct_ctrl & ACB_AUTOLOCK),
919 PDB_SET);
920 pdb_set_bad_password_count(sampass,
921 cache_entry->bad_password_count,
922 PDB_SET);
923 pdb_set_bad_password_time(sampass,
924 cache_entry->bad_password_time,
925 PDB_SET);
926 }
927
928 SAFE_FREE(cache_entry);
929 return True;
930 }
931
932 /**********************************************************************
933 Initialize the ldap db from a struct samu. Called on update.
934 (Based on init_buffer_from_sam in pdb_tdb.c)
935 *********************************************************************/
936
937 static BOOL init_ldap_from_sam (struct ldapsam_privates *ldap_state,
938 LDAPMessage *existing,
939 LDAPMod *** mods, struct samu * sampass,
940 BOOL (*need_update)(const struct samu *,
941 enum pdb_elements))
942 {
943 pstring temp;
944 uint32 rid;
945
946 if (mods == NULL || sampass == NULL) {
947 DEBUG(0, ("init_ldap_from_sam: NULL parameters found!\n"));
948 return False;
949 }
950
951 *mods = NULL;
952
953 /*
954 * took out adding "objectclass: sambaAccount"
955 * do this on a per-mod basis
956 */
957 if (need_update(sampass, PDB_USERNAME)) {
958 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
959 "uid", pdb_get_username(sampass));
960 if (ldap_state->is_nds_ldap) {
961 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
962 "cn", pdb_get_username(sampass));
963 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
964 "sn", pdb_get_username(sampass));
965 }
966 }
967
968 DEBUG(2, ("init_ldap_from_sam: Setting entry for user: %s\n", pdb_get_username(sampass)));
969
970 /* only update the RID if we actually need to */
971 if (need_update(sampass, PDB_USERSID)) {
972 fstring sid_string;
973 const DOM_SID *user_sid = pdb_get_user_sid(sampass);
974
975 switch ( ldap_state->schema_ver ) {
976 case SCHEMAVER_SAMBAACCOUNT:
977 if (!sid_peek_check_rid(&ldap_state->domain_sid, user_sid, &rid)) {
978 DEBUG(1, ("init_ldap_from_sam: User's SID (%s) is not for this domain (%s), cannot add to LDAP!\n",
979 sid_string_static(user_sid),
980 sid_string_static(&ldap_state->domain_sid)));
981 return False;
982 }
983 slprintf(temp, sizeof(temp) - 1, "%i", rid);
984 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
985 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_RID),
986 temp);
987 break;
988
989 case SCHEMAVER_SAMBASAMACCOUNT:
990 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
991 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_SID),
992 sid_to_string(sid_string, user_sid));
993 break;
994
995 default:
996 DEBUG(0,("init_ldap_from_sam: unknown schema version specified\n"));
997 break;
998 }
999 }
1000
1001 /* we don't need to store the primary group RID - so leaving it
1002 'free' to hang off the unix primary group makes life easier */
1003
1004 if (need_update(sampass, PDB_GROUPSID)) {
1005 fstring sid_string;
1006 const DOM_SID *group_sid = pdb_get_group_sid(sampass);
1007
1008 switch ( ldap_state->schema_ver ) {
1009 case SCHEMAVER_SAMBAACCOUNT:
1010 if (!sid_peek_check_rid(&ldap_state->domain_sid, group_sid, &rid)) {
1011 DEBUG(1, ("init_ldap_from_sam: User's Primary Group SID (%s) is not for this domain (%s), cannot add to LDAP!\n",
1012 sid_string_static(group_sid),
1013 sid_string_static(&ldap_state->domain_sid)));
1014 return False;
1015 }
1016
1017 slprintf(temp, sizeof(temp) - 1, "%i", rid);
1018 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1019 get_userattr_key2string(ldap_state->schema_ver,
1020 LDAP_ATTR_PRIMARY_GROUP_RID), temp);
1021 break;
1022
1023 case SCHEMAVER_SAMBASAMACCOUNT:
1024 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1025 get_userattr_key2string(ldap_state->schema_ver,
1026 LDAP_ATTR_PRIMARY_GROUP_SID), sid_to_string(sid_string, group_sid));
1027 break;
1028
1029 default:
1030 DEBUG(0,("init_ldap_from_sam: unknown schema version specified\n"));
1031 break;
1032 }
1033
1034 }
1035
1036 /* displayName, cn, and gecos should all be the same
1037 * most easily accomplished by giving them the same OID
1038 * gecos isn't set here b/c it should be handled by the
1039 * add-user script
1040 * We change displayName only and fall back to cn if
1041 * it does not exist.
1042 */
1043
1044 if (need_update(sampass, PDB_FULLNAME))
1045 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1046 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DISPLAY_NAME),
1047 pdb_get_fullname(sampass));
1048
1049 if (need_update(sampass, PDB_ACCTDESC))
1050 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1051 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DESC),
1052 pdb_get_acct_desc(sampass));
1053
1054 if (need_update(sampass, PDB_WORKSTATIONS))
1055 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1056 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_WKS),
1057 pdb_get_workstations(sampass));
1058
1059 if (need_update(sampass, PDB_MUNGEDDIAL))
1060 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1061 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_MUNGED_DIAL),
1062 pdb_get_munged_dial(sampass));
1063
1064 if (need_update(sampass, PDB_SMBHOME))
1065 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1066 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_PATH),
1067 pdb_get_homedir(sampass));
1068
1069 if (need_update(sampass, PDB_DRIVE))
1070 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1071 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_DRIVE),
1072 pdb_get_dir_drive(sampass));
1073
1074 if (need_update(sampass, PDB_LOGONSCRIPT))
1075 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1076 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_SCRIPT),
1077 pdb_get_logon_script(sampass));
1078
1079 if (need_update(sampass, PDB_PROFILE))
1080 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1081 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PROFILE_PATH),
1082 pdb_get_profile_path(sampass));
1083
1084 slprintf(temp, sizeof(temp) - 1, "%li", pdb_get_logon_time(sampass));
1085 if (need_update(sampass, PDB_LOGONTIME))
1086 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1087 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_TIME), temp);
1088
1089 slprintf(temp, sizeof(temp) - 1, "%li", pdb_get_logoff_time(sampass));
1090 if (need_update(sampass, PDB_LOGOFFTIME))
1091 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1092 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGOFF_TIME), temp);
1093
1094 slprintf (temp, sizeof (temp) - 1, "%li", pdb_get_kickoff_time(sampass));
1095 if (need_update(sampass, PDB_KICKOFFTIME))
1096 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1097 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_KICKOFF_TIME), temp);
1098
1099 slprintf (temp, sizeof (temp) - 1, "%li", pdb_get_pass_can_change_time_noncalc(sampass));
1100 if (need_update(sampass, PDB_CANCHANGETIME))
1101 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1102 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_CAN_CHANGE), temp);
1103
1104 slprintf (temp, sizeof (temp) - 1, "%li", pdb_get_pass_must_change_time(sampass));
1105 if (need_update(sampass, PDB_MUSTCHANGETIME))
1106 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1107 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_MUST_CHANGE), temp);
1108
1109
1110 if ((pdb_get_acct_ctrl(sampass)&(ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST))
1111 || (lp_ldap_passwd_sync()!=LDAP_PASSWD_SYNC_ONLY)) {
1112
1113 if (need_update(sampass, PDB_LMPASSWD)) {
1114 const uchar *lm_pw = pdb_get_lanman_passwd(sampass);
1115 if (lm_pw) {
1116 pdb_sethexpwd(temp, lm_pw,
1117 pdb_get_acct_ctrl(sampass));
1118 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1119 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LMPW),
1120 temp);
1121 } else {
1122 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1123 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LMPW),
1124 NULL);
1125 }
1126 }
1127 if (need_update(sampass, PDB_NTPASSWD)) {
1128 const uchar *nt_pw = pdb_get_nt_passwd(sampass);
1129 if (nt_pw) {
1130 pdb_sethexpwd(temp, nt_pw,
1131 pdb_get_acct_ctrl(sampass));
1132 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1133 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_NTPW),
1134 temp);
1135 } else {
1136 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1137 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_NTPW),
1138 NULL);
1139 }
1140 }
1141
1142 if (need_update(sampass, PDB_PWHISTORY)) {
1143 uint32 pwHistLen = 0;
1144 pdb_get_account_policy(AP_PASSWORD_HISTORY, &pwHistLen);
1145 if (pwHistLen == 0) {
1146 /* Remove any password history from the LDAP store. */
1147 memset(temp, '0', 64); /* NOTE !!!! '0' *NOT '\0' */
1148 temp[64] = '\0';
1149 } else {
1150 int i;
1151 uint32 currHistLen = 0;
1152 const uint8 *pwhist = pdb_get_pw_history(sampass, &currHistLen);
1153 if (pwhist != NULL) {
1154 /* We can only store (sizeof(pstring)-1)/64 password history entries. */
1155 pwHistLen = MIN(pwHistLen, ((sizeof(temp)-1)/64));
1156 for (i=0; i< pwHistLen && i < currHistLen; i++) {
1157 /* Store the salt. */
1158 pdb_sethexpwd(&temp[i*64], &pwhist[i*PW_HISTORY_ENTRY_LEN], 0);
1159 /* Followed by the md5 hash of salt + md4 hash */
1160 pdb_sethexpwd(&temp[(i*64)+32],
1161 &pwhist[(i*PW_HISTORY_ENTRY_LEN)+PW_HISTORY_SALT_LEN], 0);
1162 DEBUG(100, ("temp=%s\n", temp));
1163 }
1164 }
1165 }
1166 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1167 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_HISTORY),
1168 temp);
1169 }
1170
1171 if (need_update(sampass, PDB_PASSLASTSET)) {
1172 slprintf (temp, sizeof (temp) - 1, "%li", pdb_get_pass_last_set_time(sampass));
1173 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1174 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_LAST_SET),
1175 temp);
1176 }
1177 }
1178
1179 if (need_update(sampass, PDB_HOURS)) {
1180 const uint8 *hours = pdb_get_hours(sampass);
1181 if (hours) {
1182 pdb_sethexhours(temp, hours);
1183 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct,
1184 existing,
1185 mods,
1186 get_userattr_key2string(ldap_state->schema_ver,
1187 LDAP_ATTR_LOGON_HOURS),
1188 temp);
1189 }
1190 }
1191
1192 if (need_update(sampass, PDB_ACCTCTRL))
1193 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1194 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_ACB_INFO),
1195 pdb_encode_acct_ctrl (pdb_get_acct_ctrl(sampass), NEW_PW_FORMAT_SPACE_PADDED_LEN));
1196
1197 /* password lockout cache:
1198 - If we are now autolocking or clearing, we write to ldap
1199 - If we are clearing, we delete the cache entry
1200 - If the count is > 0, we update the cache
1201
1202 This even means when autolocking, we cache, just in case the
1203 update doesn't work, and we have to cache the autolock flag */
1204
1205 if (need_update(sampass, PDB_BAD_PASSWORD_COUNT)) /* &&
1206 need_update(sampass, PDB_BAD_PASSWORD_TIME)) */ {
1207 uint16 badcount = pdb_get_bad_password_count(sampass);
1208 time_t badtime = pdb_get_bad_password_time(sampass);
1209 uint32 pol;
1210 pdb_get_account_policy(AP_BAD_ATTEMPT_LOCKOUT, &pol);
1211
1212 DEBUG(3, ("updating bad password fields, policy=%u, count=%u, time=%u\n",
1213 (unsigned int)pol, (unsigned int)badcount, (unsigned int)badtime));
1214
1215 if ((badcount >= pol) || (badcount == 0)) {
1216 DEBUG(7, ("making mods to update ldap, count=%u, time=%u\n",
1217 (unsigned int)badcount, (unsigned int)badtime));
1218 slprintf (temp, sizeof (temp) - 1, "%li", (long)badcount);
1219 smbldap_make_mod(
1220 ldap_state->smbldap_state->ldap_struct,
1221 existing, mods,
1222 get_userattr_key2string(
1223 ldap_state->schema_ver,
1224 LDAP_ATTR_BAD_PASSWORD_COUNT),
1225 temp);
1226
1227 slprintf (temp, sizeof (temp) - 1, "%li", badtime);
1228 smbldap_make_mod(
1229 ldap_state->smbldap_state->ldap_struct,
1230 existing, mods,
1231 get_userattr_key2string(
1232 ldap_state->schema_ver,
1233 LDAP_ATTR_BAD_PASSWORD_TIME),
1234 temp);
1235 }
1236 if (badcount == 0) {
1237 DEBUG(7, ("bad password count is reset, deleting login cache entry for %s\n", pdb_get_nt_username(sampass)));
1238 login_cache_delentry(sampass);
1239 } else {
1240 LOGIN_CACHE cache_entry;
1241
1242 cache_entry.entry_timestamp = time(NULL);
1243 cache_entry.acct_ctrl = pdb_get_acct_ctrl(sampass);
1244 cache_entry.bad_password_count = badcount;
1245 cache_entry.bad_password_time = badtime;
1246
1247 DEBUG(7, ("Updating bad password count and time in login cache\n"));
1248 login_cache_write(sampass, cache_entry);
1249 }
1250 }
1251
1252 return True;
1253 }
1254
1255 /**********************************************************************
1256 Connect to LDAP server for password enumeration.
1257 *********************************************************************/
1258
1259 static NTSTATUS ldapsam_setsampwent(struct pdb_methods *my_methods, BOOL update, uint32 acb_mask)
1260 {
1261 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1262 int rc;
1263 pstring filter, suffix;
1264 const char **attr_list;
1265 BOOL machine_mask = False, user_mask = False;
1266
1267 pstr_sprintf( filter, "(&%s%s)", "(uid=%u)",
1268 get_objclass_filter(ldap_state->schema_ver));
1269 all_string_sub(filter, "%u", "*", sizeof(pstring));
1270
1271 machine_mask = ((acb_mask != 0) && (acb_mask & (ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)));
1272 user_mask = ((acb_mask != 0) && (acb_mask & ACB_NORMAL));
1273
1274 if (machine_mask) {
1275 pstrcpy(suffix, lp_ldap_machine_suffix());
1276 } else if (user_mask) {
1277 pstrcpy(suffix, lp_ldap_user_suffix());
1278 } else {
1279 pstrcpy(suffix, lp_ldap_suffix());
1280 }
1281
1282 DEBUG(10,("ldapsam_setsampwent: LDAP Query for acb_mask 0x%x will use suffix %s\n",
1283 acb_mask, suffix));
1284
1285 attr_list = get_userattr_list(NULL, ldap_state->schema_ver);
1286 rc = smbldap_search(ldap_state->smbldap_state, suffix, LDAP_SCOPE_SUBTREE, filter,
1287 attr_list, 0, &ldap_state->result);
1288 TALLOC_FREE( attr_list );
1289
1290 if (rc != LDAP_SUCCESS) {
1291 DEBUG(0, ("ldapsam_setsampwent: LDAP search failed: %s\n", ldap_err2string(rc)));
1292 DEBUG(3, ("ldapsam_setsampwent: Query was: %s, %s\n", suffix, filter));
1293 ldap_msgfree(ldap_state->result);
1294 ldap_state->result = NULL;
1295 return NT_STATUS_UNSUCCESSFUL;
1296 }
1297
1298 DEBUG(2, ("ldapsam_setsampwent: %d entries in the base %s\n",
1299 ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
1300 ldap_state->result), suffix));
1301
1302 ldap_state->entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
1303 ldap_state->result);
1304 ldap_state->index = 0;
1305
1306 return NT_STATUS_OK;
1307 }
1308
1309 /**********************************************************************
1310 End enumeration of the LDAP password list.
1311 *********************************************************************/
1312
1313 static void ldapsam_endsampwent(struct pdb_methods *my_methods)
1314 {
1315 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1316 if (ldap_state->result) {
1317 ldap_msgfree(ldap_state->result);
1318 ldap_state->result = NULL;
1319 }
1320 }
1321
1322 /**********************************************************************
1323 Get the next entry in the LDAP password database.
1324 *********************************************************************/
1325
1326 static NTSTATUS ldapsam_getsampwent(struct pdb_methods *my_methods,
1327 struct samu *user)
1328 {
1329 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1330 struct ldapsam_privates *ldap_state =
1331 (struct ldapsam_privates *)my_methods->private_data;
1332 BOOL bret = False;
1333
1334 while (!bret) {
1335 if (!ldap_state->entry)
1336 return ret;
1337
1338 ldap_state->index++;
1339 bret = init_sam_from_ldap(ldap_state, user, ldap_state->entry);
1340
1341 ldap_state->entry = ldap_next_entry(priv2ld(ldap_state),
1342 ldap_state->entry);
1343 }
1344
1345 return NT_STATUS_OK;
1346 }
1347
1348 static void append_attr(TALLOC_CTX *mem_ctx, const char ***attr_list,
1349 const char *new_attr)
1350 {
1351 int i;
1352
1353 if (new_attr == NULL) {
1354 return;
1355 }
1356
1357 for (i=0; (*attr_list)[i] != NULL; i++) {
1358 ;
1359 }
1360
1361 (*attr_list) = TALLOC_REALLOC_ARRAY(mem_ctx, (*attr_list),
1362 const char *, i+2);
1363 SMB_ASSERT((*attr_list) != NULL);
1364 (*attr_list)[i] = talloc_strdup((*attr_list), new_attr);
1365 (*attr_list)[i+1] = NULL;
1366 }
1367
1368 /**********************************************************************
1369 Get struct samu entry from LDAP by username.
1370 *********************************************************************/
1371
1372 static NTSTATUS ldapsam_getsampwnam(struct pdb_methods *my_methods, struct samu *user, const char *sname)
1373 {
1374 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1375 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1376 LDAPMessage *result = NULL;
1377 LDAPMessage *entry = NULL;
1378 int count;
1379 const char ** attr_list;
1380 int rc;
1381
1382 attr_list = get_userattr_list( user, ldap_state->schema_ver );
1383 append_attr(user, &attr_list,
1384 get_userattr_key2string(ldap_state->schema_ver,
1385 LDAP_ATTR_MOD_TIMESTAMP));
1386 append_attr(user, &attr_list, "uidNumber");
1387 rc = ldapsam_search_suffix_by_name(ldap_state, sname, &result,
1388 attr_list);
1389 TALLOC_FREE( attr_list );
1390
1391 if ( rc != LDAP_SUCCESS )
1392 return NT_STATUS_NO_SUCH_USER;
1393
1394 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
1395
1396 if (count < 1) {
1397 DEBUG(4, ("ldapsam_getsampwnam: Unable to locate user [%s] count=%d\n", sname, count));
1398 ldap_msgfree(result);
1399 return NT_STATUS_NO_SUCH_USER;
1400 } else if (count > 1) {
1401 DEBUG(1, ("ldapsam_getsampwnam: Duplicate entries for this user [%s] Failing. count=%d\n", sname, count));
1402 ldap_msgfree(result);
1403 return NT_STATUS_NO_SUCH_USER;
1404 }
1405
1406 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1407 if (entry) {
1408 if (!init_sam_from_ldap(ldap_state, user, entry)) {
1409 DEBUG(1,("ldapsam_getsampwnam: init_sam_from_ldap failed for user '%s'!\n", sname));
1410 ldap_msgfree(result);
1411 return NT_STATUS_NO_SUCH_USER;
1412 }
1413 pdb_set_backend_private_data(user, result, NULL,
1414 my_methods, PDB_CHANGED);
1415 talloc_autofree_ldapmsg(user, result);
1416 ret = NT_STATUS_OK;
1417 } else {
1418 ldap_msgfree(result);
1419 }
1420 return ret;
1421 }
1422
1423 static int ldapsam_get_ldap_user_by_sid(struct ldapsam_privates *ldap_state,
1424 const DOM_SID *sid, LDAPMessage **result)
1425 {
1426 int rc = -1;
1427 const char ** attr_list;
1428 uint32 rid;
1429
1430 switch ( ldap_state->schema_ver ) {
1431 case SCHEMAVER_SAMBASAMACCOUNT: {
1432 TALLOC_CTX *tmp_ctx = talloc_new(NULL);
1433 if (tmp_ctx == NULL) {
1434 return LDAP_NO_MEMORY;
1435 }
1436
1437 attr_list = get_userattr_list(tmp_ctx,
1438 ldap_state->schema_ver);
1439 append_attr(tmp_ctx, &attr_list,
1440 get_userattr_key2string(
1441 ldap_state->schema_ver,
1442 LDAP_ATTR_MOD_TIMESTAMP));
1443 append_attr(tmp_ctx, &attr_list, "uidNumber");
1444 rc = ldapsam_search_suffix_by_sid(ldap_state, sid,
1445 result, attr_list);
1446 TALLOC_FREE(tmp_ctx);
1447
1448 if ( rc != LDAP_SUCCESS )
1449 return rc;
1450 break;
1451 }
1452
1453 case SCHEMAVER_SAMBAACCOUNT:
1454 if (!sid_peek_check_rid(&ldap_state->domain_sid, sid, &rid)) {
1455 return rc;
1456 }
1457
1458 attr_list = get_userattr_list(NULL,
1459 ldap_state->schema_ver);
1460 rc = ldapsam_search_suffix_by_rid(ldap_state, rid, result, attr_list );
1461 TALLOC_FREE( attr_list );
1462
1463 if ( rc != LDAP_SUCCESS )
1464 return rc;
1465 break;
1466 }
1467 return rc;
1468 }
1469
1470 /**********************************************************************
1471 Get struct samu entry from LDAP by SID.
1472 *********************************************************************/
1473
1474 static NTSTATUS ldapsam_getsampwsid(struct pdb_methods *my_methods, struct samu * user, const DOM_SID *sid)
1475 {
1476 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1477 LDAPMessage *result = NULL;
1478 LDAPMessage *entry = NULL;
1479 int count;
1480 int rc;
1481 fstring sid_string;
1482
1483 rc = ldapsam_get_ldap_user_by_sid(ldap_state,
1484 sid, &result);
1485 if (rc != LDAP_SUCCESS)
1486 return NT_STATUS_NO_SUCH_USER;
1487
1488 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
1489
1490 if (count < 1) {
1491 DEBUG(4, ("ldapsam_getsampwsid: Unable to locate SID [%s] count=%d\n", sid_to_string(sid_string, sid),
1492 count));
1493 ldap_msgfree(result);
1494 return NT_STATUS_NO_SUCH_USER;
1495 } else if (count > 1) {
1496 DEBUG(1, ("ldapsam_getsampwsid: More than one user with SID [%s]. Failing. count=%d\n", sid_to_string(sid_string, sid),
1497 count));
1498 ldap_msgfree(result);
1499 return NT_STATUS_NO_SUCH_USER;
1500 }
1501
1502 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1503 if (!entry) {
1504 ldap_msgfree(result);
1505 return NT_STATUS_NO_SUCH_USER;
1506 }
1507
1508 if (!init_sam_from_ldap(ldap_state, user, entry)) {
1509 DEBUG(1,("ldapsam_getsampwsid: init_sam_from_ldap failed!\n"));
1510 ldap_msgfree(result);
1511 return NT_STATUS_NO_SUCH_USER;
1512 }
1513
1514 pdb_set_backend_private_data(user, result, NULL,
1515 my_methods, PDB_CHANGED);
1516 talloc_autofree_ldapmsg(user, result);
1517 return NT_STATUS_OK;
1518 }
1519
1520 /********************************************************************
1521 Do the actual modification - also change a plaintext passord if
1522 it it set.
1523 **********************************************************************/
1524
1525 static NTSTATUS ldapsam_modify_entry(struct pdb_methods *my_methods,
1526 struct samu *newpwd, char *dn,
1527 LDAPMod **mods, int ldap_op,
1528 BOOL (*need_update)(const struct samu *, enum pdb_elements))
1529 {
1530 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1531 int rc;
1532
1533 if (!newpwd || !dn) {
1534 return NT_STATUS_INVALID_PARAMETER;
1535 }
1536
1537 if (!mods) {
1538 DEBUG(5,("ldapsam_modify_entry: mods is empty: nothing to modify\n"));
1539 /* may be password change below however */
1540 } else {
1541 switch(ldap_op) {
1542 case LDAP_MOD_ADD:
1543 if (ldap_state->is_nds_ldap) {
1544 smbldap_set_mod(&mods, LDAP_MOD_ADD,
1545 "objectclass",
1546 "inetOrgPerson");
1547 } else {
1548 smbldap_set_mod(&mods, LDAP_MOD_ADD,
1549 "objectclass",
1550 LDAP_OBJ_ACCOUNT);
1551 }
1552 rc = smbldap_add(ldap_state->smbldap_state,
1553 dn, mods);
1554 break;
1555 case LDAP_MOD_REPLACE:
1556 rc = smbldap_modify(ldap_state->smbldap_state,
1557 dn ,mods);
1558 break;
1559 default:
1560 DEBUG(0,("ldapsam_modify_entry: Wrong LDAP operation type: %d!\n",
1561 ldap_op));
1562 return NT_STATUS_INVALID_PARAMETER;
1563 }
1564
1565 if (rc!=LDAP_SUCCESS) {
1566 return NT_STATUS_UNSUCCESSFUL;
1567 }
1568 }
1569
1570 if (!(pdb_get_acct_ctrl(newpwd)&(ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)) &&
1571 (lp_ldap_passwd_sync() != LDAP_PASSWD_SYNC_OFF) &&
1572 need_update(newpwd, PDB_PLAINTEXT_PW) &&
1573 (pdb_get_plaintext_passwd(newpwd)!=NULL)) {
1574 BerElement *ber;
1575 struct berval *bv;
1576 char *retoid = NULL;
1577 struct berval *retdata = NULL;
1578 char *utf8_password;
1579 char *utf8_dn;
1580
1581 if (!ldap_state->is_nds_ldap) {
1582
1583 if (!smbldap_has_extension(ldap_state->smbldap_state->ldap_struct,
1584 LDAP_EXOP_MODIFY_PASSWD)) {
1585 DEBUG(2, ("ldap password change requested, but LDAP "
1586 "server does not support it -- ignoring\n"));
1587 return NT_STATUS_OK;
1588 }
1589 }
1590
1591 if (push_utf8_allocate(&utf8_password, pdb_get_plaintext_passwd(newpwd)) == (size_t)-1) {
1592 return NT_STATUS_NO_MEMORY;
1593 }
1594
1595 if (push_utf8_allocate(&utf8_dn, dn) == (size_t)-1) {
1596 return NT_STATUS_NO_MEMORY;
1597 }
1598
1599 if ((ber = ber_alloc_t(LBER_USE_DER))==NULL) {
1600 DEBUG(0,("ber_alloc_t returns NULL\n"));
1601 SAFE_FREE(utf8_password);
1602 return NT_STATUS_UNSUCCESSFUL;
1603 }
1604
1605 ber_printf (ber, "{");
1606 ber_printf (ber, "ts", LDAP_TAG_EXOP_MODIFY_PASSWD_ID, utf8_dn);
1607 ber_printf (ber, "ts", LDAP_TAG_EXOP_MODIFY_PASSWD_NEW, utf8_password);
1608 ber_printf (ber, "N}");
1609
1610 if ((rc = ber_flatten (ber, &bv))<0) {
1611 DEBUG(0,("ldapsam_modify_entry: ber_flatten returns a value <0\n"));
1612 ber_free(ber,1);
1613 SAFE_FREE(utf8_dn);
1614 SAFE_FREE(utf8_password);
1615 return NT_STATUS_UNSUCCESSFUL;
1616 }
1617
1618 SAFE_FREE(utf8_dn);
1619 SAFE_FREE(utf8_password);
1620 ber_free(ber, 1);
1621
1622 if (!ldap_state->is_nds_ldap) {
1623 rc = smbldap_extended_operation(ldap_state->smbldap_state,
1624 LDAP_EXOP_MODIFY_PASSWD,
1625 bv, NULL, NULL, &retoid,
1626 &retdata);
1627 } else {
1628 rc = pdb_nds_set_password(ldap_state->smbldap_state, dn,
1629 pdb_get_plaintext_passwd(newpwd));
1630 }
1631 if (rc != LDAP_SUCCESS) {
1632 char *ld_error = NULL;
1633
1634 if (rc == LDAP_OBJECT_CLASS_VIOLATION) {
1635 DEBUG(3, ("Could not set userPassword "
1636 "attribute due to an objectClass "
1637 "violation -- ignoring\n"));
1638 ber_bvfree(bv);
1639 return NT_STATUS_OK;
1640 }
1641
1642 ldap_get_option(ldap_state->smbldap_state->ldap_struct, LDAP_OPT_ERROR_STRING,
1643 &ld_error);
1644 DEBUG(0,("ldapsam_modify_entry: LDAP Password could not be changed for user %s: %s\n\t%s\n",
1645 pdb_get_username(newpwd), ldap_err2string(rc), ld_error?ld_error:"unknown"));
1646 SAFE_FREE(ld_error);
1647 ber_bvfree(bv);
1648 return NT_STATUS_UNSUCCESSFUL;
1649 } else {
1650 DEBUG(3,("ldapsam_modify_entry: LDAP Password changed for user %s\n",pdb_get_username(newpwd)));
1651 #ifdef DEBUG_PASSWORD
1652 DEBUG(100,("ldapsam_modify_entry: LDAP Password changed to %s\n",pdb_get_plaintext_passwd(newpwd)));
1653 #endif
1654 if (retdata)
1655 ber_bvfree(retdata);
1656 if (retoid)
1657 ldap_memfree(retoid);
1658 }
1659 ber_bvfree(bv);
1660 }
1661 return NT_STATUS_OK;
1662 }
1663
1664 /**********************************************************************
1665 Delete entry from LDAP for username.
1666 *********************************************************************/
1667
1668 static NTSTATUS ldapsam_delete_sam_account(struct pdb_methods *my_methods,
1669 struct samu * sam_acct)
1670 {
1671 struct ldapsam_privates *priv =
1672 (struct ldapsam_privates *)my_methods->private_data;
1673 const char *sname;
1674 int rc;
1675 LDAPMessage *msg, *entry;
1676 NTSTATUS result = NT_STATUS_NO_MEMORY;
1677 const char **attr_list;
1678 TALLOC_CTX *mem_ctx;
1679
1680 if (!sam_acct) {
1681 DEBUG(0, ("ldapsam_delete_sam_account: sam_acct was NULL!\n"));
1682 return NT_STATUS_INVALID_PARAMETER;
1683 }
1684
1685 sname = pdb_get_username(sam_acct);
1686
1687 DEBUG(3, ("ldapsam_delete_sam_account: Deleting user %s from "
1688 "LDAP.\n", sname));
1689
1690 mem_ctx = talloc_new(NULL);
1691 if (mem_ctx == NULL) {
1692 DEBUG(0, ("talloc_new failed\n"));
1693 goto done;
1694 }
1695
1696 attr_list = get_userattr_delete_list(mem_ctx, priv->schema_ver );
1697 if (attr_list == NULL) {
1698 goto done;
1699 }
1700
1701 rc = ldapsam_search_suffix_by_name(priv, sname, &msg, attr_list);
1702
1703 if ((rc != LDAP_SUCCESS) ||
1704 (ldap_count_entries(priv2ld(priv), msg) != 1) ||
1705 ((entry = ldap_first_entry(priv2ld(priv), msg)) == NULL)) {
1706 DEBUG(5, ("Could not find user %s\n", sname));
1707 result = NT_STATUS_NO_SUCH_USER;
1708 goto done;
1709 }
1710
1711 rc = ldapsam_delete_entry(
1712 priv, mem_ctx, entry,
1713 priv->schema_ver == SCHEMAVER_SAMBASAMACCOUNT ?
1714 LDAP_OBJ_SAMBASAMACCOUNT : LDAP_OBJ_SAMBAACCOUNT,
1715 attr_list);
1716
1717 result = (rc == LDAP_SUCCESS) ?
1718 NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
1719
1720 done:
1721 TALLOC_FREE(mem_ctx);
1722 return result;
1723 }
1724
1725 /**********************************************************************
1726 Helper function to determine for update_sam_account whether
1727 we need LDAP modification.
1728 *********************************************************************/
1729
1730 static BOOL element_is_changed(const struct samu *sampass,
1731 enum pdb_elements element)
1732 {
1733 return IS_SAM_CHANGED(sampass, element);
1734 }
1735
1736 /**********************************************************************
1737 Update struct samu.
1738 *********************************************************************/
1739
1740 static NTSTATUS ldapsam_update_sam_account(struct pdb_methods *my_methods, struct samu * newpwd)
1741 {
1742 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1743 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1744 int rc = 0;
1745 char *dn;
1746 LDAPMessage *result = NULL;
1747 LDAPMessage *entry = NULL;
1748 LDAPMod **mods = NULL;
1749 const char **attr_list;
1750
1751 result = (LDAPMessage *)pdb_get_backend_private_data(newpwd, my_methods);
1752 if (!result) {
1753 attr_list = get_userattr_list(NULL, ldap_state->schema_ver);
1754 if (pdb_get_username(newpwd) == NULL) {
1755 return NT_STATUS_INVALID_PARAMETER;
1756 }
1757 rc = ldapsam_search_suffix_by_name(ldap_state, pdb_get_username(newpwd), &result, attr_list );
1758 TALLOC_FREE( attr_list );
1759 if (rc != LDAP_SUCCESS) {
1760 return NT_STATUS_UNSUCCESSFUL;
1761 }
1762 pdb_set_backend_private_data(newpwd, result, NULL,
1763 my_methods, PDB_CHANGED);
1764 talloc_autofree_ldapmsg(newpwd, result);
1765 }
1766
1767 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) == 0) {
1768 DEBUG(0, ("ldapsam_update_sam_account: No user to modify!\n"));
1769 return NT_STATUS_UNSUCCESSFUL;
1770 }
1771
1772 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1773 dn = smbldap_get_dn(ldap_state->smbldap_state->ldap_struct, entry);
1774 if (!dn) {
1775 return NT_STATUS_UNSUCCESSFUL;
1776 }
1777
1778 DEBUG(4, ("ldapsam_update_sam_account: user %s to be modified has dn: %s\n", pdb_get_username(newpwd), dn));
1779
1780 if (!init_ldap_from_sam(ldap_state, entry, &mods, newpwd,
1781 element_is_changed)) {
1782 DEBUG(0, ("ldapsam_update_sam_account: init_ldap_from_sam failed!\n"));
1783 SAFE_FREE(dn);
1784 if (mods != NULL)
1785 ldap_mods_free(mods,True);
1786 return NT_STATUS_UNSUCCESSFUL;
1787 }
1788
1789 if (mods == NULL) {
1790 DEBUG(4,("ldapsam_update_sam_account: mods is empty: nothing to update for user: %s\n",
1791 pdb_get_username(newpwd)));
1792 SAFE_FREE(dn);
1793 return NT_STATUS_OK;
1794 }
1795
1796 ret = ldapsam_modify_entry(my_methods,newpwd,dn,mods,LDAP_MOD_REPLACE, element_is_changed);
1797 ldap_mods_free(mods,True);
1798 SAFE_FREE(dn);
1799
1800 /*
1801 * We need to set the backend private data to NULL here. For example
1802 * setuserinfo level 25 does a pdb_update_sam_account twice on the
1803 * same one, and with the explicit delete / add logic for attribute
1804 * values the second time we would use the wrong "old" value which
1805 * does not exist in LDAP anymore. Thus the LDAP server would refuse
1806 * the update.
1807 * The existing LDAPMessage is still being auto-freed by the
1808 * destructor.
1809 */
1810 pdb_set_backend_private_data(newpwd, NULL, NULL, my_methods,
1811 PDB_CHANGED);
1812
1813 if (!NT_STATUS_IS_OK(ret)) {
1814 return ret;
1815 }
1816
1817 DEBUG(2, ("ldapsam_update_sam_account: successfully modified uid = %s in the LDAP database\n",
1818 pdb_get_username(newpwd)));
1819 return NT_STATUS_OK;
1820 }
1821
1822 /***************************************************************************
1823 Renames a struct samu
1824 - The "rename user script" has full responsibility for changing everything
1825 ***************************************************************************/
1826
1827 static NTSTATUS ldapsam_rename_sam_account(struct pdb_methods *my_methods,
1828 struct samu *old_acct,
1829 const char *newname)
1830 {
1831 const char *oldname;
1832 int rc;
1833 pstring rename_script;
1834 fstring oldname_lower, newname_lower;
1835
1836 if (!old_acct) {
1837 DEBUG(0, ("ldapsam_rename_sam_account: old_acct was NULL!\n"));
1838 return NT_STATUS_INVALID_PARAMETER;
1839 }
1840 if (!newname) {
1841 DEBUG(0, ("ldapsam_rename_sam_account: newname was NULL!\n"));
1842 return NT_STATUS_INVALID_PARAMETER;
1843 }
1844
1845 oldname = pdb_get_username(old_acct);
1846
1847 /* rename the posix user */
1848 pstrcpy(rename_script, lp_renameuser_script());
1849
1850 if (!(*rename_script))
1851 return NT_STATUS_ACCESS_DENIED;
1852
1853 DEBUG (3, ("ldapsam_rename_sam_account: Renaming user %s to %s.\n",
1854 oldname, newname));
1855
1856 /* We have to allow the account name to end with a '$'.
1857 Also, follow the semantics in _samr_create_user() and lower case the
1858 posix name but preserve the case in passdb */
1859
1860 fstrcpy( oldname_lower, oldname );
1861 strlower_m( oldname_lower );
1862 fstrcpy( newname_lower, newname );
1863 strlower_m( newname_lower );
1864 string_sub2(rename_script, "%unew", newname_lower, sizeof(pstring),
1865 True, False, True);
1866 string_sub2(rename_script, "%uold", oldname_lower, sizeof(pstring),
1867 True, False, True);
1868 rc = smbrun(rename_script, NULL);
1869
1870 DEBUG(rc ? 0 : 3,("Running the command `%s' gave %d\n",
1871 rename_script, rc));
1872
1873 if (rc == 0) {
1874 smb_nscd_flush_user_cache();
1875 }
1876
1877 if (rc)
1878 return NT_STATUS_UNSUCCESSFUL;
1879
1880 return NT_STATUS_OK;
1881 }
1882
1883 /**********************************************************************
1884 Helper function to determine for update_sam_account whether
1885 we need LDAP modification.
1886 *********************************************************************/
1887
1888 static BOOL element_is_set_or_changed(const struct samu *sampass,
1889 enum pdb_elements element)
1890 {
1891 return (IS_SAM_SET(sampass, element) ||
1892 IS_SAM_CHANGED(sampass, element));
1893 }
1894
1895 /**********************************************************************
1896 Add struct samu to LDAP.
1897 *********************************************************************/
1898
1899 static NTSTATUS ldapsam_add_sam_account(struct pdb_methods *my_methods, struct samu * newpwd)
1900 {
1901 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1902 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1903 int rc;
1904 LDAPMessage *result = NULL;
1905 LDAPMessage *entry = NULL;
1906 pstring dn;
1907 LDAPMod **mods = NULL;
1908 int ldap_op = LDAP_MOD_REPLACE;
1909 uint32 num_result;
1910 const char **attr_list;
1911 char *escape_user;
1912 const char *username = pdb_get_username(newpwd);
1913 const DOM_SID *sid = pdb_get_user_sid(newpwd);
1914 pstring filter;
1915 fstring sid_string;
1916
1917 if (!username || !*username) {
1918 DEBUG(0, ("ldapsam_add_sam_account: Cannot add user without a username!\n"));
1919 return NT_STATUS_INVALID_PARAMETER;
1920 }
1921
1922 /* free this list after the second search or in case we exit on failure */
1923 attr_list = get_userattr_list(NULL, ldap_state->schema_ver);
1924
1925 rc = ldapsam_search_suffix_by_name (ldap_state, username, &result, attr_list);
1926
1927 if (rc != LDAP_SUCCESS) {
1928 TALLOC_FREE( attr_list );
1929 return NT_STATUS_UNSUCCESSFUL;
1930 }
1931
1932 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) != 0) {
1933 DEBUG(0,("ldapsam_add_sam_account: User '%s' already in the base, with samba attributes\n",
1934 username));
1935 ldap_msgfree(result);
1936 TALLOC_FREE( attr_list );
1937 return NT_STATUS_UNSUCCESSFUL;
1938 }
1939 ldap_msgfree(result);
1940 result = NULL;
1941
1942 if (element_is_set_or_changed(newpwd, PDB_USERSID)) {
1943 rc = ldapsam_get_ldap_user_by_sid(ldap_state,
1944 sid, &result);
1945 if (rc == LDAP_SUCCESS) {
1946 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) != 0) {
1947 DEBUG(0,("ldapsam_add_sam_account: SID '%s' already in the base, with samba attributes\n",
1948 sid_to_string(sid_string, sid)));
1949 TALLOC_FREE( attr_list );
1950 ldap_msgfree(result);
1951 return NT_STATUS_UNSUCCESSFUL;
1952 }
1953 ldap_msgfree(result);
1954 }
1955 }
1956
1957 /* does the entry already exist but without a samba attributes?
1958 we need to return the samba attributes here */
1959
1960 escape_user = escape_ldap_string_alloc( username );
1961 pstrcpy( filter, "(uid=%u)" );
1962 all_string_sub( filter, "%u", escape_user, sizeof(filter) );
1963 SAFE_FREE( escape_user );
1964
1965 rc = smbldap_search_suffix(ldap_state->smbldap_state,
1966 filter, attr_list, &result);
1967 if ( rc != LDAP_SUCCESS ) {
1968 TALLOC_FREE( attr_list );
1969 return NT_STATUS_UNSUCCESSFUL;
1970 }
1971
1972 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
1973
1974 if (num_result > 1) {
1975 DEBUG (0, ("ldapsam_add_sam_account: More than one user with that uid exists: bailing out!\n"));
1976 TALLOC_FREE( attr_list );
1977 ldap_msgfree(result);
1978 return NT_STATUS_UNSUCCESSFUL;
1979 }
1980
1981 /* Check if we need to update an existing entry */
1982 if (num_result == 1) {
1983 char *tmp;
1984
1985 DEBUG(3,("ldapsam_add_sam_account: User exists without samba attributes: adding them\n"));
1986 ldap_op = LDAP_MOD_REPLACE;
1987 entry = ldap_first_entry (ldap_state->smbldap_state->ldap_struct, result);
1988 tmp = smbldap_get_dn (ldap_state->smbldap_state->ldap_struct, entry);
1989 if (!tmp) {
1990 TALLOC_FREE( attr_list );
1991 ldap_msgfree(result);
1992 return NT_STATUS_UNSUCCESSFUL;
1993 }
1994 slprintf (dn, sizeof (dn) - 1, "%s", tmp);
1995 SAFE_FREE(tmp);
1996
1997 } else if (ldap_state->schema_ver == SCHEMAVER_SAMBASAMACCOUNT) {
1998
1999 /* There might be a SID for this account already - say an idmap entry */
2000
2001 pstr_sprintf(filter, "(&(%s=%s)(|(objectClass=%s)(objectClass=%s)))",
2002 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_SID),
2003 sid_to_string(sid_string, sid),
2004 LDAP_OBJ_IDMAP_ENTRY,
2005 LDAP_OBJ_SID_ENTRY);
2006
2007 /* free old result before doing a new search */
2008 if (result != NULL) {
2009 ldap_msgfree(result);
2010 result = NULL;
2011 }
2012 rc = smbldap_search_suffix(ldap_state->smbldap_state,
2013 filter, attr_list, &result);
2014
2015 if ( rc != LDAP_SUCCESS ) {
2016 TALLOC_FREE( attr_list );
2017 return NT_STATUS_UNSUCCESSFUL;
2018 }
2019
2020 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
2021
2022 if (num_result > 1) {
2023 DEBUG (0, ("ldapsam_add_sam_account: More than one user with specified Sid exists: bailing out!\n"));
2024 TALLOC_FREE( attr_list );
2025 ldap_msgfree(result);
2026 return NT_STATUS_UNSUCCESSFUL;
2027 }
2028
2029 /* Check if we need to update an existing entry */
2030 if (num_result == 1) {
2031 char *tmp;
2032
2033 DEBUG(3,("ldapsam_add_sam_account: User exists without samba attributes: adding them\n"));
2034 ldap_op = LDAP_MOD_REPLACE;
2035 entry = ldap_first_entry (ldap_state->smbldap_state->ldap_struct, result);
2036 tmp = smbldap_get_dn (ldap_state->smbldap_state->ldap_struct, entry);
2037 if (!tmp) {
2038 TALLOC_FREE( attr_list );
2039 ldap_msgfree(result);
2040 return NT_STATUS_UNSUCCESSFUL;
2041 }
2042 slprintf (dn, sizeof (dn) - 1, "%s", tmp);
2043 SAFE_FREE(tmp);
2044 }
2045 }
2046
2047 TALLOC_FREE( attr_list );
2048
2049 if (num_result == 0) {
2050 /* Check if we need to add an entry */
2051 DEBUG(3,("ldapsam_add_sam_account: Adding new user\n"));
2052 ldap_op = LDAP_MOD_ADD;
2053 if (username[strlen(username)-1] == '$') {
2054 slprintf (dn, sizeof (dn) - 1, "uid=%s,%s", username, lp_ldap_machine_suffix ());
2055 } else {
2056 slprintf (dn, sizeof (dn) - 1, "uid=%s,%s", username, lp_ldap_user_suffix ());
2057 }
2058 }
2059
2060 if (!init_ldap_from_sam(ldap_state, entry, &mods, newpwd,
2061 element_is_set_or_changed)) {
2062 DEBUG(0, ("ldapsam_add_sam_account: init_ldap_from_sam failed!\n"));
2063 ldap_msgfree(result);
2064 if (mods != NULL)
2065 ldap_mods_free(mods,True);
2066 return NT_STATUS_UNSUCCESSFUL;
2067 }
2068
2069 ldap_msgfree(result);
2070
2071 if (mods == NULL) {
2072 DEBUG(0,("ldapsam_add_sam_account: mods is empty: nothing to add for user: %s\n",pdb_get_username(newpwd)));
2073 return NT_STATUS_UNSUCCESSFUL;
2074 }
2075 switch ( ldap_state->schema_ver ) {
2076 case SCHEMAVER_SAMBAACCOUNT:
2077 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_SAMBAACCOUNT);
2078 break;
2079 case SCHEMAVER_SAMBASAMACCOUNT:
2080 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_SAMBASAMACCOUNT);
2081 break;
2082 default:
2083 DEBUG(0,("ldapsam_add_sam_account: invalid schema version specified\n"));
2084 break;
2085 }
2086
2087 ret = ldapsam_modify_entry(my_methods,newpwd,dn,mods,ldap_op, element_is_set_or_changed);
2088 if (!NT_STATUS_IS_OK(ret)) {
2089 DEBUG(0,("ldapsam_add_sam_account: failed to modify/add user with uid = %s (dn = %s)\n",
2090 pdb_get_username(newpwd),dn));
2091 ldap_mods_free(mods, True);
2092 return ret;
2093 }
2094
2095 DEBUG(2,("ldapsam_add_sam_account: added: uid == %s in the LDAP database\n", pdb_get_username(newpwd)));
2096 ldap_mods_free(mods, True);
2097
2098 return NT_STATUS_OK;
2099 }
2100
2101 /**********************************************************************
2102 *********************************************************************/
2103
2104 static int ldapsam_search_one_group (struct ldapsam_privates *ldap_state,
2105 const char *filter,
2106 LDAPMessage ** result)
2107 {
2108 int scope = LDAP_SCOPE_SUBTREE;
2109 int rc;
2110 const char **attr_list;
2111
2112 attr_list = get_attr_list(NULL, groupmap_attr_list);
2113 rc = smbldap_search(ldap_state->smbldap_state,
2114 lp_ldap_group_suffix (), scope,
2115 filter, attr_list, 0, result);
2116 TALLOC_FREE(attr_list);
2117
2118 return rc;
2119 }
2120
2121 /**********************************************************************
2122 *********************************************************************/
2123
2124 static BOOL init_group_from_ldap(struct ldapsam_privates *ldap_state,
2125 GROUP_MAP *map, LDAPMessage *entry)
2126 {
2127 pstring temp;
2128
2129 if (ldap_state == NULL || map == NULL || entry == NULL ||
2130 ldap_state->smbldap_state->ldap_struct == NULL) {
2131 DEBUG(0, ("init_group_from_ldap: NULL parameters found!\n"));
2132 return False;
2133 }
2134
2135 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
2136 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GIDNUMBER), temp)) {
2137 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2138 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GIDNUMBER)));
2139 return False;
2140 }
2141 DEBUG(2, ("init_group_from_ldap: Entry found for group: %s\n", temp));
2142
2143 map->gid = (gid_t)atol(temp);
2144
2145 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
2146 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_SID), temp)) {
2147 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2148 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_SID)));
2149 return False;
2150 }
2151
2152 if (!string_to_sid(&map->sid, temp)) {
2153 DEBUG(1, ("SID string [%s] could not be read as a valid SID\n", temp));
2154 return False;
2155 }
2156
2157 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
2158 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_TYPE), temp)) {
2159 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2160 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_TYPE)));
2161 return False;
2162 }
2163 map->sid_name_use = (enum lsa_SidType)atol(temp);
2164
2165 if ((map->sid_name_use < SID_NAME_USER) ||
2166 (map->sid_name_use > SID_NAME_UNKNOWN)) {
2167 DEBUG(0, ("init_group_from_ldap: Unknown Group type: %d\n", map->sid_name_use));
2168 return False;
2169 }
2170
2171 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
2172 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_DISPLAY_NAME), temp)) {
2173 temp[0] = '\0';
2174 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
2175 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_CN), temp))
2176 {
2177 DEBUG(0, ("init_group_from_ldap: Attributes cn not found either \
2178 for gidNumber(%lu)\n",(unsigned long)map->gid));
2179 return False;
2180 }
2181 }
2182 fstrcpy(map->nt_name, temp);
2183
2184 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
2185 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_DESC), temp)) {
2186 temp[0] = '\0';
2187 }
2188 fstrcpy(map->comment, temp);
2189
2190 if (lp_parm_bool(-1, "ldapsam", "trusted", False)) {
2191 store_gid_sid_cache(&map->sid, map->gid);
2192 }
2193
2194 return True;
2195 }
2196
2197 /**********************************************************************
2198 *********************************************************************/
2199
2200 static NTSTATUS ldapsam_getgroup(struct pdb_methods *methods,
2201 const char *filter,
2202 GROUP_MAP *map)
2203 {
2204 struct ldapsam_privates *ldap_state =
2205 (struct ldapsam_privates *)methods->private_data;
2206 LDAPMessage *result = NULL;
2207 LDAPMessage *entry = NULL;
2208 int count;
2209
2210 if (ldapsam_search_one_group(ldap_state, filter, &result)
2211 != LDAP_SUCCESS) {
2212 return NT_STATUS_NO_SUCH_GROUP;
2213 }
2214
2215 count = ldap_count_entries(priv2ld(ldap_state), result);
2216
2217 if (count < 1) {
2218 DEBUG(4, ("ldapsam_getgroup: Did not find group\n"));
2219 ldap_msgfree(result);
2220 return NT_STATUS_NO_SUCH_GROUP;
2221 }
2222
2223 if (count > 1) {
2224 DEBUG(1, ("ldapsam_getgroup: Duplicate entries for filter %s: "
2225 "count=%d\n", filter, count));
2226 ldap_msgfree(result);
2227 return NT_STATUS_NO_SUCH_GROUP;
2228 }
2229
2230 entry = ldap_first_entry(priv2ld(ldap_state), result);
2231
2232 if (!entry) {
2233 ldap_msgfree(result);
2234 return NT_STATUS_UNSUCCESSFUL;
2235 }
2236
2237 if (!init_group_from_ldap(ldap_state, map, entry)) {
2238 DEBUG(1, ("ldapsam_getgroup: init_group_from_ldap failed for "
2239 "group filter %s\n", filter));
2240 ldap_msgfree(result);
2241 return NT_STATUS_NO_SUCH_GROUP;
2242 }
2243
2244 ldap_msgfree(result);
2245 return NT_STATUS_OK;
2246 }
2247
2248 /**********************************************************************
2249 *********************************************************************/
2250
2251 static NTSTATUS ldapsam_getgrsid(struct pdb_methods *methods, GROUP_MAP *map,
2252 DOM_SID sid)
2253 {
2254 pstring filter;
2255
2256 pstr_sprintf(filter, "(&(objectClass=%s)(%s=%s))",
2257 LDAP_OBJ_GROUPMAP,
2258 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GROUP_SID),
2259 sid_string_static(&sid));
2260
2261 return ldapsam_getgroup(methods, filter, map);
2262 }
2263
2264 /**********************************************************************
2265 *********************************************************************/
2266
2267 static NTSTATUS ldapsam_getgrgid(struct pdb_methods *methods, GROUP_MAP *map,
2268 gid_t gid)
2269 {
2270 pstring filter;
2271
2272 pstr_sprintf(filter, "(&(objectClass=%s)(%s=%lu))",
2273 LDAP_OBJ_GROUPMAP,
2274 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GIDNUMBER),
2275 (unsigned long)gid);
2276
2277 return ldapsam_getgroup(methods, filter, map);
2278 }
2279
2280 /**********************************************************************
2281 *********************************************************************/
2282
2283 static NTSTATUS ldapsam_getgrnam(struct pdb_methods *methods, GROUP_MAP *map,
2284 const char *name)
2285 {
2286 pstring filter;
2287 char *escape_name = escape_ldap_string_alloc(name);
2288
2289 if (!escape_name) {
2290 return NT_STATUS_NO_MEMORY;
2291 }
2292
2293 pstr_sprintf(filter, "(&(objectClass=%s)(|(%s=%s)(%s=%s)))",
2294 LDAP_OBJ_GROUPMAP,
2295 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_DISPLAY_NAME), escape_name,
2296 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_CN), escape_name);
2297
2298 SAFE_FREE(escape_name);
2299
2300 return ldapsam_getgroup(methods, filter, map);
2301 }
2302
2303 static BOOL ldapsam_extract_rid_from_entry(LDAP *ldap_struct,
2304 LDAPMessage *entry,
2305 const DOM_SID *domain_sid,
2306 uint32 *rid)
2307 {
2308 fstring str;
2309 DOM_SID sid;
2310
2311 if (!smbldap_get_single_attribute(ldap_struct, entry, "sambaSID",
2312 str, sizeof(str)-1)) {
2313 DEBUG(10, ("Could not find sambaSID attribute\n"));
2314 return False;
2315 }
2316
2317 if (!string_to_sid(&sid, str)) {
2318 DEBUG(10, ("Could not convert string %s to sid\n", str));
2319 return False;
2320 }
2321
2322 if (sid_compare_domain(&sid, domain_sid) != 0) {
2323 DEBUG(10, ("SID %s is not in expected domain %s\n",
2324 str, sid_string_static(domain_sid)));
2325 return False;
2326 }
2327
2328 if (!sid_peek_rid(&sid, rid)) {
2329 DEBUG(10, ("Could not peek into RID\n"));
2330 return False;
2331 }
2332
2333 return True;
2334 }
2335
2336 static NTSTATUS ldapsam_enum_group_members(struct pdb_methods *methods,
2337 TALLOC_CTX *mem_ctx,
2338 const DOM_SID *group,
2339 uint32 **pp_member_rids,
2340 size_t *p_num_members)
2341 {
2342 struct ldapsam_privates *ldap_state =
2343 (struct ldapsam_privates *)methods->private_data;
2344 struct smbldap_state *conn = ldap_state->smbldap_state;
2345 const char *id_attrs[] = { "memberUid", "gidNumber", NULL };
2346 const char *sid_attrs[] = { "sambaSID", NULL };
2347 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2348 LDAPMessage *result = NULL;
2349 LDAPMessage *entry;
2350 char *filter;
2351 char **values = NULL;
2352 char **memberuid;
2353 char *gidstr;
2354 int rc, count;
2355
2356 *pp_member_rids = NULL;
2357 *p_num_members = 0;
2358
2359 filter = talloc_asprintf(mem_ctx,
2360 "(&(objectClass=%s)"
2361 "(objectClass=%s)"
2362 "(sambaSID=%s))",
2363 LDAP_OBJ_POSIXGROUP,
2364 LDAP_OBJ_GROUPMAP,
2365 sid_string_static(group));
2366 if (filter == NULL) {
2367 ret = NT_STATUS_NO_MEMORY;
2368 goto done;
2369 }
2370
2371 rc = smbldap_search(conn, lp_ldap_group_suffix(),
2372 LDAP_SCOPE_SUBTREE, filter, id_attrs, 0,
2373 &result);
2374
2375 if (rc != LDAP_SUCCESS)
2376 goto done;
2377
2378 talloc_autofree_ldapmsg(mem_ctx, result);
2379
2380 count = ldap_count_entries(conn->ldap_struct, result);
2381
2382 if (count > 1) {
2383 DEBUG(1, ("Found more than one groupmap entry for %s\n",
2384 sid_string_static(group)));
2385 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2386 goto done;
2387 }
2388
2389 if (count == 0) {
2390 ret = NT_STATUS_NO_SUCH_GROUP;
2391 goto done;
2392 }
2393
2394 entry = ldap_first_entry(conn->ldap_struct, result);
2395 if (entry == NULL)
2396 goto done;
2397
2398 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", mem_ctx);
2399 if (!gidstr) {
2400 DEBUG (0, ("ldapsam_enum_group_members: Unable to find the group's gid!\n"));
2401 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2402 goto done;
2403 }
2404
2405 values = ldap_get_values(conn->ldap_struct, entry, "memberUid");
2406
2407 if (values) {
2408
2409 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)(|", LDAP_OBJ_SAMBAACCOUNT);
2410 if (filter == NULL) {
2411 ret = NT_STATUS_NO_MEMORY;
2412 goto done;
2413 }
2414
2415 for (memberuid = values; *memberuid != NULL; memberuid += 1) {
2416 filter = talloc_asprintf_append(filter, "(uid=%s)", *memberuid);
2417 if (filter == NULL) {
2418 ret = NT_STATUS_NO_MEMORY;
2419 goto done;
2420 }
2421 }
2422
2423 filter = talloc_asprintf_append(filter, "))");
2424 if (filter == NULL) {
2425 ret = NT_STATUS_NO_MEMORY;
2426 goto done;
2427 }
2428
2429 rc = smbldap_search(conn, lp_ldap_user_suffix(),
2430 LDAP_SCOPE_SUBTREE, filter, sid_attrs, 0,
2431 &result);
2432
2433 if (rc != LDAP_SUCCESS)
2434 goto done;
2435
2436 count = ldap_count_entries(conn->ldap_struct, result);
2437 DEBUG(10,("ldapsam_enum_group_members: found %d accounts\n", count));
2438
2439 talloc_autofree_ldapmsg(mem_ctx, result);
2440
2441 for (entry = ldap_first_entry(conn->ldap_struct, result);
2442 entry != NULL;
2443 entry = ldap_next_entry(conn->ldap_struct, entry))
2444 {
2445 char *sidstr;
2446 DOM_SID sid;
2447 uint32 rid;
2448
2449 sidstr = smbldap_talloc_single_attribute(conn->ldap_struct,
2450 entry, "sambaSID",
2451 mem_ctx);
2452 if (!sidstr) {
2453 DEBUG(0, ("Severe DB error, sambaSamAccount can't miss "
2454 "the sambaSID attribute\n"));
2455 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2456 goto done;
2457 }
2458
2459 if (!string_to_sid(&sid, sidstr))
2460 goto done;
2461
2462 if (!sid_check_is_in_our_domain(&sid)) {
2463 DEBUG(0, ("Inconsistent SAM -- group member uid not "
2464 "in our domain\n"));
2465 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2466 goto done;
2467 }
2468
2469 sid_peek_rid(&sid, &rid);
2470
2471 add_rid_to_array_unique(mem_ctx, rid, pp_member_rids,
2472 p_num_members);
2473 }
2474 }
2475
2476 filter = talloc_asprintf(mem_ctx,
2477 "(&(objectClass=%s)"
2478 "(gidNumber=%s))",
2479 LDAP_OBJ_SAMBASAMACCOUNT,
2480 gidstr);
2481
2482 rc = smbldap_search(conn, lp_ldap_user_suffix(),
2483 LDAP_SCOPE_SUBTREE, filter, sid_attrs, 0,
2484 &result);
2485
2486 if (rc != LDAP_SUCCESS)
2487 goto done;
2488
2489 talloc_autofree_ldapmsg(mem_ctx, result);
2490
2491 for (entry = ldap_first_entry(conn->ldap_struct, result);
2492 entry != NULL;
2493 entry = ldap_next_entry(conn->ldap_struct, entry))
2494 {
2495 uint32 rid;
2496
2497 if (!ldapsam_extract_rid_from_entry(conn->ldap_struct,
2498 entry,
2499 get_global_sam_sid(),
2500 &rid)) {
2501 DEBUG(0, ("Severe DB error, sambaSamAccount can't miss "
2502 "the sambaSID attribute\n"));
2503 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2504 goto done;
2505 }
2506
2507 add_rid_to_array_unique(mem_ctx, rid, pp_member_rids,
2508 p_num_members);
2509 }
2510
2511 ret = NT_STATUS_OK;
2512
2513 done:
2514
2515 if (values)
2516 ldap_value_free(values);
2517
2518 return ret;
2519 }
2520
2521 static NTSTATUS ldapsam_enum_group_memberships(struct pdb_methods *methods,
2522 TALLOC_CTX *mem_ctx,
2523 struct samu *user,
2524 DOM_SID **pp_sids,
2525 gid_t **pp_gids,
2526 size_t *p_num_groups)
2527 {
2528 struct ldapsam_privates *ldap_state =
2529 (struct ldapsam_privates *)methods->private_data;
2530 struct smbldap_state *conn = ldap_state->smbldap_state;
2531 char *filter;
2532 const char *attrs[] = { "gidNumber", "sambaSID", NULL };
2533 char *escape_name;
2534 int rc, count;
2535 LDAPMessage *result = NULL;
2536 LDAPMessage *entry;
2537 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2538 size_t num_sids, num_gids;
2539 char *gidstr;
2540 gid_t primary_gid = -1;
2541
2542 *pp_sids = NULL;
2543 num_sids = 0;
2544
2545 if (pdb_get_username(user) == NULL) {
2546 return NT_STATUS_INVALID_PARAMETER;
2547 }
2548
2549 escape_name = escape_ldap_string_alloc(pdb_get_username(user));
2550 if (escape_name == NULL)
2551 return NT_STATUS_NO_MEMORY;
2552
2553 /* retrieve the users primary gid */
2554 filter = talloc_asprintf(mem_ctx,
2555 "(&(objectClass=%s)(uid=%s))",
2556 LDAP_OBJ_SAMBASAMACCOUNT,
2557 escape_name);
2558 if (filter == NULL) {
2559 ret = NT_STATUS_NO_MEMORY;
2560 goto done;
2561 }
2562
2563 rc = smbldap_search(conn, lp_ldap_user_suffix(),
2564 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
2565
2566 if (rc != LDAP_SUCCESS)
2567 goto done;
2568
2569 talloc_autofree_ldapmsg(mem_ctx, result);
2570
2571 count = ldap_count_entries(priv2ld(ldap_state), result);
2572
2573 switch (count) {
2574 case 0:
2575 DEBUG(1, ("User account [%s] not found!\n", pdb_get_username(user)));
2576 ret = NT_STATUS_NO_SUCH_USER;
2577 goto done;
2578 case 1:
2579 entry = ldap_first_entry(priv2ld(ldap_state), result);
2580
2581 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", mem_ctx);
2582 if (!gidstr) {
2583 DEBUG (1, ("Unable to find the member's gid!\n"));
2584 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2585 goto done;
2586 }
2587 primary_gid = strtoul(gidstr, NULL, 10);
2588 break;
2589 default:
2590 DEBUG(1, ("found more than one accoutn with the same user name ?!\n"));
2591 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2592 goto done;
2593 }
2594
2595 filter = talloc_asprintf(mem_ctx,
2596 "(&(objectClass=%s)(|(memberUid=%s)(gidNumber=%d)))",
2597 LDAP_OBJ_POSIXGROUP, escape_name, primary_gid);
2598 if (filter == NULL) {
2599 ret = NT_STATUS_NO_MEMORY;
2600 goto done;
2601 }
2602
2603 rc = smbldap_search(conn, lp_ldap_group_suffix(),
2604 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
2605
2606 if (rc != LDAP_SUCCESS)
2607 goto done;
2608
2609 talloc_autofree_ldapmsg(mem_ctx, result);
2610
2611 num_gids = 0;
2612 *pp_gids = NULL;
2613
2614 num_sids = 0;
2615 *pp_sids = NULL;
2616
2617 /* We need to add the primary group as the first gid/sid */
2618
2619 add_gid_to_array_unique(mem_ctx, primary_gid, pp_gids, &num_gids);
2620
2621 /* This sid will be replaced later */
2622
2623 add_sid_to_array_unique(mem_ctx, &global_sid_NULL, pp_sids, &num_sids);
2624
2625 for (entry = ldap_first_entry(conn->ldap_struct, result);
2626 entry != NULL;
2627 entry = ldap_next_entry(conn->ldap_struct, entry))
2628 {
2629 fstring str;
2630 DOM_SID sid;
2631 gid_t gid;
2632 char *end;
2633
2634 if (!smbldap_get_single_attribute(conn->ldap_struct,
2635 entry, "sambaSID",
2636 str, sizeof(str)-1))
2637 continue;
2638
2639 if (!string_to_sid(&sid, str))
2640 goto done;
2641
2642 if (!smbldap_get_single_attribute(conn->ldap_struct,
2643 entry, "gidNumber",
2644 str, sizeof(str)-1))
2645 continue;
2646
2647 gid = strtoul(str, &end, 10);
2648
2649 if (PTR_DIFF(end, str) != strlen(str))
2650 goto done;
2651
2652 if (gid == primary_gid) {
2653 sid_copy(&(*pp_sids)[0], &sid);
2654 } else {
2655 add_gid_to_array_unique(mem_ctx, gid, pp_gids,
2656 &num_gids);
2657 add_sid_to_array_unique(mem_ctx, &sid, pp_sids,
2658 &num_sids);
2659 }
2660 }
2661
2662 if (sid_compare(&global_sid_NULL, &(*pp_sids)[0]) == 0) {
2663 DEBUG(3, ("primary group of [%s] not found\n",
2664 pdb_get_username(user)));
2665 goto done;
2666 }
2667
2668 *p_num_groups = num_sids;
2669
2670 ret = NT_STATUS_OK;
2671
2672 done:
2673
2674 SAFE_FREE(escape_name);
2675 return ret;
2676 }
2677
2678 /**********************************************************************
2679 * Augment a posixGroup object with a sambaGroupMapping domgroup
2680 *********************************************************************/
2681
2682 static NTSTATUS ldapsam_map_posixgroup(TALLOC_CTX *mem_ctx,
2683 struct ldapsam_privates *ldap_state,
2684 GROUP_MAP *map)
2685 {
2686 const char *filter, *dn;
2687 LDAPMessage *msg, *entry;
2688 LDAPMod **mods;
2689 int rc;
2690
2691 filter = talloc_asprintf(mem_ctx,
2692 "(&(objectClass=posixGroup)(gidNumber=%u))",
2693 map->gid);
2694 if (filter == NULL) {
2695 return NT_STATUS_NO_MEMORY;
2696 }
2697
2698 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter,
2699 get_attr_list(mem_ctx, groupmap_attr_list),
2700 &msg);
2701 talloc_autofree_ldapmsg(mem_ctx, msg);
2702
2703 if ((rc != LDAP_SUCCESS) ||
2704 (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) != 1) ||
2705 ((entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg)) == NULL)) {
2706 return NT_STATUS_NO_SUCH_GROUP;
2707 }
2708
2709 dn = smbldap_talloc_dn(mem_ctx, ldap_state->smbldap_state->ldap_struct, entry);
2710 if (dn == NULL) {
2711 return NT_STATUS_NO_MEMORY;
2712 }
2713
2714 mods = NULL;
2715 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass",
2716 "sambaGroupMapping");
2717 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "sambaSid",
2718 sid_string_static(&map->sid));
2719 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "sambaGroupType",
2720 talloc_asprintf(mem_ctx, "%d", map->sid_name_use));
2721 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "displayName",
2722 map->nt_name);
2723 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "description",
2724 map->comment);
2725 talloc_autofree_ldapmod(mem_ctx, mods);
2726
2727 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
2728 if (rc != LDAP_SUCCESS) {
2729 return NT_STATUS_ACCESS_DENIED;
2730 }
2731
2732 return NT_STATUS_OK;
2733 }
2734
2735 static NTSTATUS ldapsam_add_group_mapping_entry(struct pdb_methods *methods,
2736 GROUP_MAP *map)
2737 {
2738 struct ldapsam_privates *ldap_state =
2739 (struct ldapsam_privates *)methods->private_data;
2740 LDAPMessage *msg = NULL;
2741 LDAPMod **mods = NULL;
2742 const char *attrs[] = { NULL };
2743 char *filter;
2744
2745 char *dn;
2746 TALLOC_CTX *mem_ctx;
2747 NTSTATUS result;
2748
2749 DOM_SID sid;
2750
2751 int rc;
2752
2753 mem_ctx = talloc_new(NULL);
2754 if (mem_ctx == NULL) {
2755 DEBUG(0, ("talloc_new failed\n"));
2756 return NT_STATUS_NO_MEMORY;
2757 }
2758
2759 filter = talloc_asprintf(mem_ctx, "(sambaSid=%s)",
2760 sid_string_static(&map->sid));
2761 if (filter == NULL) {
2762 result = NT_STATUS_NO_MEMORY;
2763 goto done;
2764 }
2765
2766 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_suffix(),
2767 LDAP_SCOPE_SUBTREE, filter, attrs, True, &msg);
2768 talloc_autofree_ldapmsg(mem_ctx, msg);
2769
2770 if ((rc == LDAP_SUCCESS) &&
2771 (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) > 0)) {
2772
2773 DEBUG(3, ("SID %s already present in LDAP, refusing to add "
2774 "group mapping entry\n",
2775 sid_string_static(&map->sid)));
2776 result = NT_STATUS_GROUP_EXISTS;
2777 goto done;
2778 }
2779
2780 switch (map->sid_name_use) {
2781
2782 case SID_NAME_DOM_GRP:
2783 /* To map a domain group we need to have a posix group
2784 to attach to. */
2785 result = ldapsam_map_posixgroup(mem_ctx, ldap_state, map);
2786 goto done;
2787 break;
2788
2789 case SID_NAME_ALIAS:
2790 if (!sid_check_is_in_our_domain(&map->sid)
2791 && !sid_check_is_in_builtin(&map->sid) )
2792 {
2793 DEBUG(3, ("Refusing to map sid %s as an alias, not in our domain\n",
2794 sid_string_static(&map->sid)));
2795 result = NT_STATUS_INVALID_PARAMETER;
2796 goto done;
2797 }
2798 break;
2799
2800 default:
2801 DEBUG(3, ("Got invalid use '%s' for mapping\n",
2802 sid_type_lookup(map->sid_name_use)));
2803 result = NT_STATUS_INVALID_PARAMETER;
2804 goto done;
2805 }
2806
2807 /* Domain groups have been mapped in a separate routine, we have to
2808 * create an alias now */
2809
2810 if (map->gid == -1) {
2811 DEBUG(10, ("Refusing to map gid==-1\n"));
2812 result = NT_STATUS_INVALID_PARAMETER;
2813 goto done;
2814 }
2815
2816 if (pdb_gid_to_sid(map->gid, &sid)) {
2817 DEBUG(3, ("Gid %d is already mapped to SID %s, refusing to "
2818 "add\n", map->gid, sid_string_static(&sid)));
2819 result = NT_STATUS_GROUP_EXISTS;
2820 goto done;
2821 }
2822
2823 /* Ok, enough checks done. It's still racy to go ahead now, but that's
2824 * the best we can get out of LDAP. */
2825
2826 dn = talloc_asprintf(mem_ctx, "sambaSid=%s,%s",
2827 sid_string_static(&map->sid),
2828 lp_ldap_group_suffix());
2829 if (dn == NULL) {
2830 result = NT_STATUS_NO_MEMORY;
2831 goto done;
2832 }
2833
2834 mods = NULL;
2835
2836 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "objectClass",
2837 "sambaSidEntry");
2838 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "objectClass",
2839 "sambaGroupMapping");
2840
2841 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "sambaSid",
2842 sid_string_static(&map->sid));
2843 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "sambaGroupType",
2844 talloc_asprintf(mem_ctx, "%d", map->sid_name_use));
2845 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "displayName",
2846 map->nt_name);
2847 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "description",
2848 map->comment);
2849 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "gidNumber",
2850 talloc_asprintf(mem_ctx, "%u", map->gid));
2851 talloc_autofree_ldapmod(mem_ctx, mods);
2852
2853 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
2854
2855 result = (rc == LDAP_SUCCESS) ?
2856 NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
2857
2858 done:
2859 TALLOC_FREE(mem_ctx);
2860 return result;
2861 }
2862
2863 /**********************************************************************
2864 * Update a group mapping entry. We're quite strict about what can be changed:
2865 * Only the description and displayname may be changed. It simply does not
2866 * make any sense to change the SID, gid or the type in a mapping.
2867 *********************************************************************/
2868
2869 static NTSTATUS ldapsam_update_group_mapping_entry(struct pdb_methods *methods,
2870 GROUP_MAP *map)
2871 {
2872 struct ldapsam_privates *ldap_state =
2873 (struct ldapsam_privates *)methods->private_data;
2874 int rc;
2875 const char *filter, *dn;
2876 LDAPMessage *msg = NULL;
2877 LDAPMessage *entry = NULL;
2878 LDAPMod **mods = NULL;
2879 TALLOC_CTX *mem_ctx;
2880 NTSTATUS result;
2881
2882 mem_ctx = talloc_new(NULL);
2883 if (mem_ctx == NULL) {
2884 DEBUG(0, ("talloc_new failed\n"));
2885 return NT_STATUS_NO_MEMORY;
2886 }
2887
2888 /* Make 100% sure that sid, gid and type are not changed by looking up
2889 * exactly the values we're given in LDAP. */
2890
2891 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)"
2892 "(sambaSid=%s)(gidNumber=%u)"
2893 "(sambaGroupType=%d))",
2894 LDAP_OBJ_GROUPMAP,
2895 sid_string_static(&map->sid), map->gid,
2896 map->sid_name_use);
2897 if (filter == NULL) {
2898 result = NT_STATUS_NO_MEMORY;
2899 goto done;
2900 }
2901
2902 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter,
2903 get_attr_list(mem_ctx, groupmap_attr_list),
2904 &msg);
2905 talloc_autofree_ldapmsg(mem_ctx, msg);
2906
2907 if ((rc != LDAP_SUCCESS) ||
2908 (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) != 1) ||
2909 ((entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg)) == NULL)) {
2910 result = NT_STATUS_NO_SUCH_GROUP;
2911 goto done;
2912 }
2913
2914 dn = smbldap_talloc_dn(mem_ctx, ldap_state->smbldap_state->ldap_struct, entry);
2915
2916 if (dn == NULL) {
2917 result = NT_STATUS_NO_MEMORY;
2918 goto done;
2919 }
2920
2921 mods = NULL;
2922 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "displayName",
2923 map->nt_name);
2924 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "description",
2925 map->comment);
2926 talloc_autofree_ldapmod(mem_ctx, mods);
2927
2928 if (mods == NULL) {
2929 DEBUG(4, ("ldapsam_update_group_mapping_entry: mods is empty: "
2930 "nothing to do\n"));
2931 result = NT_STATUS_OK;
2932 goto done;
2933 }
2934
2935 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
2936
2937 if (rc != LDAP_SUCCESS) {
2938 result = NT_STATUS_ACCESS_DENIED;
2939 goto done;
2940 }
2941
2942 DEBUG(2, ("ldapsam_update_group_mapping_entry: successfully modified "
2943 "group %lu in LDAP\n", (unsigned long)map->gid));
2944
2945 result = NT_STATUS_OK;
2946
2947 done:
2948 TALLOC_FREE(mem_ctx);
2949 return result;
2950 }
2951
2952 /**********************************************************************
2953 *********************************************************************/
2954
2955 static NTSTATUS ldapsam_delete_group_mapping_entry(struct pdb_methods *methods,
2956 DOM_SID sid)
2957 {
2958 struct ldapsam_privates *priv =
2959 (struct ldapsam_privates *)methods->private_data;
2960 LDAPMessage *msg, *entry;
2961 int rc;
2962 NTSTATUS result;
2963 TALLOC_CTX *mem_ctx;
2964 char *filter;
2965
2966 mem_ctx = talloc_new(NULL);
2967 if (mem_ctx == NULL) {
2968 DEBUG(0, ("talloc_new failed\n"));
2969 return NT_STATUS_NO_MEMORY;
2970 }
2971
2972 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)(%s=%s))",
2973 LDAP_OBJ_GROUPMAP, LDAP_ATTRIBUTE_SID,
2974 sid_string_static(&sid));
2975 if (filter == NULL) {
2976 result = NT_STATUS_NO_MEMORY;
2977 goto done;
2978 }
2979 rc = smbldap_search_suffix(priv->smbldap_state, filter,
2980 get_attr_list(mem_ctx, groupmap_attr_list),
2981 &msg);
2982 talloc_autofree_ldapmsg(mem_ctx, msg);
2983
2984 if ((rc != LDAP_SUCCESS) ||
2985 (ldap_count_entries(priv2ld(priv), msg) != 1) ||
2986 ((entry = ldap_first_entry(priv2ld(priv), msg)) == NULL)) {
2987 result = NT_STATUS_NO_SUCH_GROUP;
2988 goto done;
2989 }
2990
2991 rc = ldapsam_delete_entry(priv, mem_ctx, entry, LDAP_OBJ_GROUPMAP,
2992 get_attr_list(mem_ctx,
2993 groupmap_attr_list_to_delete));
2994
2995 if ((rc == LDAP_NAMING_VIOLATION) ||
2996 (rc == LDAP_OBJECT_CLASS_VIOLATION)) {
2997 const char *attrs[] = { "sambaGroupType", "description",
2998 "displayName", "sambaSIDList",
2999 NULL };
3000
3001 /* Second try. Don't delete the sambaSID attribute, this is
3002 for "old" entries that are tacked on a winbind
3003 sambaIdmapEntry. */
3004
3005 rc = ldapsam_delete_entry(priv, mem_ctx, entry,
3006 LDAP_OBJ_GROUPMAP, attrs);
3007 }
3008
3009 if ((rc == LDAP_NAMING_VIOLATION) ||
3010 (rc == LDAP_OBJECT_CLASS_VIOLATION)) {
3011 const char *attrs[] = { "sambaGroupType", "description",
3012 "displayName", "sambaSIDList",
3013 "gidNumber", NULL };
3014
3015 /* Third try. This is a post-3.0.21 alias (containing only
3016 * sambaSidEntry and sambaGroupMapping classes), we also have
3017 * to delete the gidNumber attribute, only the sambaSidEntry
3018 * remains */
3019
3020 rc = ldapsam_delete_entry(priv, mem_ctx, entry,
3021 LDAP_OBJ_GROUPMAP, attrs);
3022 }
3023
3024 result = (rc == LDAP_SUCCESS) ? NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL;
3025
3026 done:
3027 TALLOC_FREE(mem_ctx);
3028 return result;
3029 }
3030
3031 /**********************************************************************
3032 *********************************************************************/
3033
3034 static NTSTATUS ldapsam_setsamgrent(struct pdb_methods *my_methods,
3035 BOOL update)
3036 {
3037 struct ldapsam_privates *ldap_state =
3038 (struct ldapsam_privates *)my_methods->private_data;
3039 fstring filter;
3040 int rc;
3041 const char **attr_list;
3042
3043 pstr_sprintf( filter, "(objectclass=%s)", LDAP_OBJ_GROUPMAP);
3044 attr_list = get_attr_list( NULL, groupmap_attr_list );
3045 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_group_suffix(),
3046 LDAP_SCOPE_SUBTREE, filter,
3047 attr_list, 0, &ldap_state->result);
3048 TALLOC_FREE(attr_list);
3049
3050 if (rc != LDAP_SUCCESS) {
3051 DEBUG(0, ("ldapsam_setsamgrent: LDAP search failed: %s\n",
3052 ldap_err2string(rc)));
3053 DEBUG(3, ("ldapsam_setsamgrent: Query was: %s, %s\n",
3054 lp_ldap_group_suffix(), filter));
3055 ldap_msgfree(ldap_state->result);
3056 ldap_state->result = NULL;
3057 return NT_STATUS_UNSUCCESSFUL;
3058 }
3059
3060 DEBUG(2, ("ldapsam_setsamgrent: %d entries in the base!\n",
3061 ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3062 ldap_state->result)));
3063
3064 ldap_state->entry =
3065 ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3066 ldap_state->result);
3067 ldap_state->index = 0;
3068
3069 return NT_STATUS_OK;
3070 }
3071
3072 /**********************************************************************
3073 *********************************************************************/
3074
3075 static void ldapsam_endsamgrent(struct pdb_methods *my_methods)
3076 {
3077 ldapsam_endsampwent(my_methods);
3078 }
3079
3080 /**********************************************************************
3081 *********************************************************************/
3082
3083 static NTSTATUS ldapsam_getsamgrent(struct pdb_methods *my_methods,
3084 GROUP_MAP *map)
3085 {
3086 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
3087 struct ldapsam_privates *ldap_state =
3088 (struct ldapsam_privates *)my_methods->private_data;
3089 BOOL bret = False;
3090
3091 while (!bret) {
3092 if (!ldap_state->entry)
3093 return ret;
3094
3095 ldap_state->index++;
3096 bret = init_group_from_ldap(ldap_state, map,
3097 ldap_state->entry);
3098
3099 ldap_state->entry =
3100 ldap_next_entry(ldap_state->smbldap_state->ldap_struct,
3101 ldap_state->entry);
3102 }
3103
3104 return NT_STATUS_OK;
3105 }
3106
3107 /**********************************************************************
3108 *********************************************************************/
3109
3110 static NTSTATUS ldapsam_enum_group_mapping(struct pdb_methods *methods,
3111 const DOM_SID *domsid, enum lsa_SidType sid_name_use,
3112 GROUP_MAP **pp_rmap,
3113 size_t *p_num_entries,
3114 BOOL unix_only)
3115 {
3116 GROUP_MAP map;
3117 size_t entries = 0;
3118
3119 *p_num_entries = 0;
3120 *pp_rmap = NULL;
3121
3122 if (!NT_STATUS_IS_OK(ldapsam_setsamgrent(methods, False))) {
3123 DEBUG(0, ("ldapsam_enum_group_mapping: Unable to open "
3124 "passdb\n"));
3125 return NT_STATUS_ACCESS_DENIED;
3126 }
3127
3128 while (NT_STATUS_IS_OK(ldapsam_getsamgrent(methods, &map))) {
3129 if (sid_name_use != SID_NAME_UNKNOWN &&
3130 sid_name_use != map.sid_name_use) {
3131 DEBUG(11,("ldapsam_enum_group_mapping: group %s is "
3132 "not of the requested type\n", map.nt_name));
3133 continue;
3134 }
3135 if (unix_only==ENUM_ONLY_MAPPED && map.gid==-1) {
3136 DEBUG(11,("ldapsam_enum_group_mapping: group %s is "
3137 "non mapped\n", map.nt_name));
3138 continue;
3139 }
3140
3141 (*pp_rmap)=SMB_REALLOC_ARRAY((*pp_rmap), GROUP_MAP, entries+1);
3142 if (!(*pp_rmap)) {
3143 DEBUG(0,("ldapsam_enum_group_mapping: Unable to "
3144 "enlarge group map!\n"));
3145 return NT_STATUS_UNSUCCESSFUL;
3146 }
3147
3148 (*pp_rmap)[entries] = map;
3149
3150 entries += 1;
3151
3152 }
3153 ldapsam_endsamgrent(methods);
3154
3155 *p_num_entries = entries;
3156
3157 return NT_STATUS_OK;
3158 }
3159
3160 static NTSTATUS ldapsam_modify_aliasmem(struct pdb_methods *methods,
3161 const DOM_SID *alias,
3162 const DOM_SID *member,
3163 int modop)
3164 {
3165 struct ldapsam_privates *ldap_state =
3166 (struct ldapsam_privates *)methods->private_data;
3167 char *dn;
3168 LDAPMessage *result = NULL;
3169 LDAPMessage *entry = NULL;
3170 int count;
3171 LDAPMod **mods = NULL;
3172 int rc;
3173 enum lsa_SidType type = SID_NAME_USE_NONE;
3174
3175 pstring filter;
3176
3177 if (sid_check_is_in_builtin(alias)) {
3178 type = SID_NAME_ALIAS;
3179 }
3180
3181 if (sid_check_is_in_our_domain(alias)) {
3182 type = SID_NAME_ALIAS;
3183 }
3184
3185 if (type == SID_NAME_USE_NONE) {
3186 DEBUG(5, ("SID %s is neither in builtin nor in our domain!\n",
3187 sid_string_static(alias)));
3188 return NT_STATUS_NO_SUCH_ALIAS;
3189 }
3190
3191 pstr_sprintf(filter,
3192 "(&(objectClass=%s)(sambaSid=%s)(sambaGroupType=%d))",
3193 LDAP_OBJ_GROUPMAP, sid_string_static(alias),
3194 type);
3195
3196 if (ldapsam_search_one_group(ldap_state, filter,
3197 &result) != LDAP_SUCCESS)
3198 return NT_STATUS_NO_SUCH_ALIAS;
3199
3200 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3201 result);
3202
3203 if (count < 1) {
3204 DEBUG(4, ("ldapsam_modify_aliasmem: Did not find alias\n"));
3205 ldap_msgfree(result);
3206 return NT_STATUS_NO_SUCH_ALIAS;
3207 }
3208
3209 if (count > 1) {
3210 DEBUG(1, ("ldapsam_modify_aliasmem: Duplicate entries for "
3211 "filter %s: count=%d\n", filter, count));
3212 ldap_msgfree(result);
3213 return NT_STATUS_NO_SUCH_ALIAS;
3214 }
3215
3216 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3217 result);
3218
3219 if (!entry) {
3220 ldap_msgfree(result);
3221 return NT_STATUS_UNSUCCESSFUL;
3222 }
3223
3224 dn = smbldap_get_dn(ldap_state->smbldap_state->ldap_struct, entry);
3225 if (!dn) {
3226 ldap_msgfree(result);
3227 return NT_STATUS_UNSUCCESSFUL;
3228 }
3229
3230 smbldap_set_mod(&mods, modop,
3231 get_attr_key2string(groupmap_attr_list,
3232 LDAP_ATTR_SID_LIST),
3233 sid_string_static(member));
3234
3235 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3236
3237 ldap_mods_free(mods, True);
3238 ldap_msgfree(result);
3239 SAFE_FREE(dn);
3240
3241 if (rc == LDAP_TYPE_OR_VALUE_EXISTS) {
3242 return NT_STATUS_MEMBER_IN_ALIAS;
3243 }
3244
3245 if (rc == LDAP_NO_SUCH_ATTRIBUTE) {
3246 return NT_STATUS_MEMBER_NOT_IN_ALIAS;
3247 }
3248
3249 if (rc != LDAP_SUCCESS) {
3250 return NT_STATUS_UNSUCCESSFUL;
3251 }
3252
3253 return NT_STATUS_OK;
3254 }
3255
3256 static NTSTATUS ldapsam_add_aliasmem(struct pdb_methods *methods,
3257 const DOM_SID *alias,
3258 const DOM_SID *member)
3259 {
3260 return ldapsam_modify_aliasmem(methods, alias, member, LDAP_MOD_ADD);
3261 }
3262
3263 static NTSTATUS ldapsam_del_aliasmem(struct pdb_methods *methods,
3264 const DOM_SID *alias,
3265 const DOM_SID *member)
3266 {
3267 return ldapsam_modify_aliasmem(methods, alias, member,
3268 LDAP_MOD_DELETE);
3269 }
3270
3271 static NTSTATUS ldapsam_enum_aliasmem(struct pdb_methods *methods,
3272 const DOM_SID *alias,
3273 DOM_SID **pp_members,
3274 size_t *p_num_members)
3275 {
3276 struct ldapsam_privates *ldap_state =
3277 (struct ldapsam_privates *)methods->private_data;
3278 LDAPMessage *result = NULL;
3279 LDAPMessage *entry = NULL;
3280 int count;
3281 char **values;
3282 int i;
3283 pstring filter;
3284 size_t num_members = 0;
3285 enum lsa_SidType type = SID_NAME_USE_NONE;
3286
3287 *pp_members = NULL;
3288 *p_num_members = 0;
3289
3290 if (sid_check_is_in_builtin(alias)) {
3291 type = SID_NAME_ALIAS;
3292 }
3293
3294 if (sid_check_is_in_our_domain(alias)) {
3295 type = SID_NAME_ALIAS;
3296 }
3297
3298 if (type == SID_NAME_USE_NONE) {
3299 DEBUG(5, ("SID %s is neither in builtin nor in our domain!\n",
3300 sid_string_static(alias)));
3301 return NT_STATUS_NO_SUCH_ALIAS;
3302 }
3303
3304 pstr_sprintf(filter,
3305 "(&(objectClass=%s)(sambaSid=%s)(sambaGroupType=%d))",
3306 LDAP_OBJ_GROUPMAP, sid_string_static(alias),
3307 type);
3308
3309 if (ldapsam_search_one_group(ldap_state, filter,
3310 &result) != LDAP_SUCCESS)
3311 return NT_STATUS_NO_SUCH_ALIAS;
3312
3313 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3314 result);
3315
3316 if (count < 1) {
3317 DEBUG(4, ("ldapsam_enum_aliasmem: Did not find alias\n"));
3318 ldap_msgfree(result);
3319 return NT_STATUS_NO_SUCH_ALIAS;
3320 }
3321
3322 if (count > 1) {
3323 DEBUG(1, ("ldapsam_enum_aliasmem: Duplicate entries for "
3324 "filter %s: count=%d\n", filter, count));
3325 ldap_msgfree(result);
3326 return NT_STATUS_NO_SUCH_ALIAS;
3327 }
3328
3329 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3330 result);
3331
3332 if (!entry) {
3333 ldap_msgfree(result);
3334 return NT_STATUS_UNSUCCESSFUL;
3335 }
3336
3337 values = ldap_get_values(ldap_state->smbldap_state->ldap_struct,
3338 entry,
3339 get_attr_key2string(groupmap_attr_list,
3340 LDAP_ATTR_SID_LIST));
3341
3342 if (values == NULL) {
3343 ldap_msgfree(result);
3344 return NT_STATUS_OK;
3345 }
3346
3347 count = ldap_count_values(values);
3348
3349 for (i=0; i<count; i++) {
3350 DOM_SID member;
3351
3352 if (!string_to_sid(&member, values[i]))
3353 continue;
3354
3355 add_sid_to_array(NULL, &member, pp_members, &num_members);
3356 }
3357
3358 *p_num_members = num_members;
3359 ldap_value_free(values);
3360 ldap_msgfree(result);
3361
3362 return NT_STATUS_OK;
3363 }
3364
3365 static NTSTATUS ldapsam_alias_memberships(struct pdb_methods *methods,
3366 TALLOC_CTX *mem_ctx,
3367 const DOM_SID *domain_sid,
3368 const DOM_SID *members,
3369 size_t num_members,
3370 uint32 **pp_alias_rids,
3371 size_t *p_num_alias_rids)
3372 {
3373 struct ldapsam_privates *ldap_state =
3374 (struct ldapsam_privates *)methods->private_data;
3375 LDAP *ldap_struct;
3376
3377 const char *attrs[] = { LDAP_ATTRIBUTE_SID, NULL };
3378
3379 LDAPMessage *result = NULL;
3380 LDAPMessage *entry = NULL;
3381 int i;
3382 int rc;
3383 char *filter;
3384 enum lsa_SidType type = SID_NAME_USE_NONE;
3385
3386 if (sid_check_is_builtin(domain_sid)) {
3387 type = SID_NAME_ALIAS;
3388 }
3389
3390 if (sid_check_is_domain(domain_sid)) {
3391 type = SID_NAME_ALIAS;
3392 }
3393
3394 if (type == SID_NAME_USE_NONE) {
3395 DEBUG(5, ("SID %s is neither builtin nor domain!\n",
3396 sid_string_static(domain_sid)));
3397 return NT_STATUS_UNSUCCESSFUL;
3398 }
3399
3400 filter = talloc_asprintf(mem_ctx,
3401 "(&(|(objectclass=%s)(sambaGroupType=%d))(|",
3402 LDAP_OBJ_GROUPMAP, type);
3403
3404 for (i=0; i<num_members; i++)
3405 filter = talloc_asprintf(mem_ctx, "%s(sambaSIDList=%s)",
3406 filter,
3407 sid_string_static(&members[i]));
3408
3409 filter = talloc_asprintf(mem_ctx, "%s))", filter);
3410
3411 if (filter == NULL) {
3412 return NT_STATUS_NO_MEMORY;
3413 }
3414
3415 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_group_suffix(),
3416 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
3417
3418 if (rc != LDAP_SUCCESS)
3419 return NT_STATUS_UNSUCCESSFUL;
3420
3421 ldap_struct = ldap_state->smbldap_state->ldap_struct;
3422
3423 for (entry = ldap_first_entry(ldap_struct, result);
3424 entry != NULL;
3425 entry = ldap_next_entry(ldap_struct, entry))
3426 {
3427 fstring sid_str;
3428 DOM_SID sid;
3429 uint32 rid;
3430
3431 if (!smbldap_get_single_attribute(ldap_struct, entry,
3432 LDAP_ATTRIBUTE_SID,
3433 sid_str,
3434 sizeof(sid_str)-1))
3435 continue;
3436
3437 if (!string_to_sid(&sid, sid_str))
3438 continue;
3439
3440 if (!sid_peek_check_rid(domain_sid, &sid, &rid))
3441 continue;
3442
3443 add_rid_to_array_unique(mem_ctx, rid, pp_alias_rids,
3444 p_num_alias_rids);
3445 }
3446
3447 ldap_msgfree(result);
3448 return NT_STATUS_OK;
3449 }
3450
3451 static NTSTATUS ldapsam_set_account_policy_in_ldap(struct pdb_methods *methods,
3452 int policy_index,
3453 uint32 value)
3454 {
3455 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3456 int rc;
3457 LDAPMod **mods = NULL;
3458 fstring value_string;
3459 const char *policy_attr = NULL;
3460
3461 struct ldapsam_privates *ldap_state =
3462 (struct ldapsam_privates *)methods->private_data;
3463
3464 DEBUG(10,("ldapsam_set_account_policy_in_ldap\n"));
3465
3466 if (!ldap_state->domain_dn) {
3467 return NT_STATUS_INVALID_PARAMETER;
3468 }
3469
3470 policy_attr = get_account_policy_attr(policy_index);
3471 if (policy_attr == NULL) {
3472 DEBUG(0,("ldapsam_set_account_policy_in_ldap: invalid "
3473 "policy\n"));
3474 return ntstatus;
3475 }
3476
3477 slprintf(value_string, sizeof(value_string) - 1, "%i", value);
3478
3479 smbldap_set_mod(&mods, LDAP_MOD_REPLACE, policy_attr, value_string);
3480
3481 rc = smbldap_modify(ldap_state->smbldap_state, ldap_state->domain_dn,
3482 mods);
3483
3484 ldap_mods_free(mods, True);
3485
3486 if (rc != LDAP_SUCCESS) {
3487 return ntstatus;
3488 }
3489
3490 if (!cache_account_policy_set(policy_index, value)) {
3491 DEBUG(0,("ldapsam_set_account_policy_in_ldap: failed to "
3492 "update local tdb cache\n"));
3493 return ntstatus;
3494 }
3495
3496 return NT_STATUS_OK;
3497 }
3498
3499 static NTSTATUS ldapsam_set_account_policy(struct pdb_methods *methods,
3500 int policy_index, uint32 value)
3501 {
3502 return ldapsam_set_account_policy_in_ldap(methods, policy_index,
3503 value);
3504 }
3505
3506 static NTSTATUS ldapsam_get_account_policy_from_ldap(struct pdb_methods *methods,
3507 int policy_index,
3508 uint32 *value)
3509 {
3510 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3511 LDAPMessage *result = NULL;
3512 LDAPMessage *entry = NULL;
3513 int count;
3514 int rc;
3515 char **vals = NULL;
3516 const char *policy_attr = NULL;
3517
3518 struct ldapsam_privates *ldap_state =
3519 (struct ldapsam_privates *)methods->private_data;
3520
3521 const char *attrs[2];
3522
3523 DEBUG(10,("ldapsam_get_account_policy_from_ldap\n"));
3524
3525 if (!ldap_state->domain_dn) {
3526 return NT_STATUS_INVALID_PARAMETER;
3527 }
3528
3529 policy_attr = get_account_policy_attr(policy_index);
3530 if (!policy_attr) {
3531 DEBUG(0,("ldapsam_get_account_policy_from_ldap: invalid "
3532 "policy index: %d\n", policy_index));
3533 return ntstatus;
3534 }
3535
3536 attrs[0] = policy_attr;
3537 attrs[1] = NULL;
3538
3539 rc = smbldap_search(ldap_state->smbldap_state, ldap_state->domain_dn,
3540 LDAP_SCOPE_BASE, "(objectclass=*)", attrs, 0,
3541 &result);
3542
3543 if (rc != LDAP_SUCCESS) {
3544 return ntstatus;
3545 }
3546
3547 count = ldap_count_entries(priv2ld(ldap_state), result);
3548 if (count < 1) {
3549 goto out;
3550 }
3551
3552 entry = ldap_first_entry(priv2ld(ldap_state), result);
3553 if (entry == NULL) {
3554 goto out;
3555 }
3556
3557 vals = ldap_get_values(priv2ld(ldap_state), entry, policy_attr);
3558 if (vals == NULL) {
3559 goto out;
3560 }
3561
3562 *value = (uint32)atol(vals[0]);
3563
3564 ntstatus = NT_STATUS_OK;
3565
3566 out:
3567 if (vals)
3568 ldap_value_free(vals);
3569 ldap_msgfree(result);
3570
3571 return ntstatus;
3572 }
3573
3574 /* wrapper around ldapsam_get_account_policy_from_ldap(), handles tdb as cache
3575
3576 - if user hasn't decided to use account policies inside LDAP just reuse the
3577 old tdb values
3578
3579 - if there is a valid cache entry, return that
3580 - if there is an LDAP entry, update cache and return
3581 - otherwise set to default, update cache and return
3582
3583 Guenther
3584 */
3585 static NTSTATUS ldapsam_get_account_policy(struct pdb_methods *methods,
3586 int policy_index, uint32 *value)
3587 {
3588 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3589
3590 if (cache_account_policy_get(policy_index, value)) {
3591 DEBUG(11,("ldapsam_get_account_policy: got valid value from "
3592 "cache\n"));
3593 return NT_STATUS_OK;
3594 }
3595
3596 ntstatus = ldapsam_get_account_policy_from_ldap(methods, policy_index,
3597 value);
3598 if (NT_STATUS_IS_OK(ntstatus)) {
3599 goto update_cache;
3600 }
3601
3602 DEBUG(10,("ldapsam_get_account_policy: failed to retrieve from "
3603 "ldap\n"));
3604
3605 #if 0
3606 /* should we automagically migrate old tdb value here ? */
3607 if (account_policy_get(policy_index, value))
3608 goto update_ldap;
3609
3610 DEBUG(10,("ldapsam_get_account_policy: no tdb for %d, trying "
3611 "default\n", policy_index));
3612 #endif
3613
3614 if (!account_policy_get_default(policy_index, value)) {
3615 return ntstatus;
3616 }
3617
3618 /* update_ldap: */
3619
3620 ntstatus = ldapsam_set_account_policy(methods, policy_index, *value);
3621 if (!NT_STATUS_IS_OK(ntstatus)) {
3622 return ntstatus;
3623 }
3624
3625 update_cache:
3626
3627 if (!cache_account_policy_set(policy_index, *value)) {
3628 DEBUG(0,("ldapsam_get_account_policy: failed to update local "
3629 "tdb as a cache\n"));
3630 return NT_STATUS_UNSUCCESSFUL;
3631 }
3632
3633 return NT_STATUS_OK;
3634 }
3635
3636 static NTSTATUS ldapsam_lookup_rids(struct pdb_methods *methods,
3637 const DOM_SID *domain_sid,
3638 int num_rids,
3639 uint32 *rids,
3640 const char **names,
3641 enum lsa_SidType *attrs)
3642 {
3643 struct ldapsam_privates *ldap_state =
3644 (struct ldapsam_privates *)methods->private_data;
3645 LDAPMessage *msg = NULL;
3646 LDAPMessage *entry;
3647 char *allsids = NULL;
3648 int i, rc, num_mapped;
3649 NTSTATUS result = NT_STATUS_NO_MEMORY;
3650 TALLOC_CTX *mem_ctx;
3651 LDAP *ld;
3652 BOOL is_builtin;
3653
3654 mem_ctx = talloc_new(NULL);
3655 if (mem_ctx == NULL) {
3656 DEBUG(0, ("talloc_new failed\n"));
3657 goto done;
3658 }
3659
3660 if (!sid_check_is_builtin(domain_sid) &&
3661 !sid_check_is_domain(domain_sid)) {
3662 result = NT_STATUS_INVALID_PARAMETER;
3663 goto done;
3664 }
3665
3666 for (i=0; i<num_rids; i++)
3667 attrs[i] = SID_NAME_UNKNOWN;
3668
3669 allsids = talloc_strdup(mem_ctx, "");
3670 if (allsids == NULL) {
3671 goto done;
3672 }
3673
3674 for (i=0; i<num_rids; i++) {
3675 DOM_SID sid;
3676 sid_compose(&sid, domain_sid, rids[i]);
3677 allsids = talloc_asprintf_append(allsids, "(sambaSid=%s)",
3678 sid_string_static(&sid));
3679 if (allsids == NULL) {
3680 goto done;
3681 }
3682 }
3683
3684 /* First look for users */
3685
3686 {
3687 char *filter;
3688 const char *ldap_attrs[] = { "uid", "sambaSid", NULL };
3689
3690 filter = talloc_asprintf(
3691 mem_ctx, ("(&(objectClass=%s)(|%s))"),
3692 LDAP_OBJ_SAMBASAMACCOUNT, allsids);
3693
3694 if (filter == NULL) {
3695 goto done;
3696 }
3697
3698 rc = smbldap_search(ldap_state->smbldap_state,
3699 lp_ldap_user_suffix(),
3700 LDAP_SCOPE_SUBTREE, filter, ldap_attrs, 0,
3701 &msg);
3702 talloc_autofree_ldapmsg(mem_ctx, msg);
3703 }
3704
3705 if (rc != LDAP_SUCCESS)
3706 goto done;
3707
3708 ld = ldap_state->smbldap_state->ldap_struct;
3709 num_mapped = 0;
3710
3711 for (entry = ldap_first_entry(ld, msg);
3712 entry != NULL;
3713 entry = ldap_next_entry(ld, entry)) {
3714 uint32 rid;
3715 int rid_index;
3716 const char *name;
3717
3718 if (!ldapsam_extract_rid_from_entry(ld, entry, domain_sid,
3719 &rid)) {
3720 DEBUG(2, ("Could not find sid from ldap entry\n"));
3721 continue;
3722 }
3723
3724 name = smbldap_talloc_single_attribute(ld, entry, "uid",
3725 names);
3726 if (name == NULL) {
3727 DEBUG(2, ("Could not retrieve uid attribute\n"));
3728 continue;
3729 }
3730
3731 for (rid_index = 0; rid_index < num_rids; rid_index++) {
3732 if (rid == rids[rid_index])
3733 break;
3734 }
3735
3736 if (rid_index == num_rids) {
3737 DEBUG(2, ("Got a RID not asked for: %d\n", rid));
3738 continue;
3739 }
3740
3741 attrs[rid_index] = SID_NAME_USER;
3742 names[rid_index] = name;
3743 num_mapped += 1;
3744 }
3745
3746 if (num_mapped == num_rids) {
3747 /* No need to look for groups anymore -- we're done */
3748 result = NT_STATUS_OK;
3749 goto done;
3750 }
3751
3752 /* Same game for groups */
3753
3754 {
3755 char *filter;
3756 const char *ldap_attrs[] = { "cn", "displayName", "sambaSid",
3757 "sambaGroupType", NULL };
3758
3759 filter = talloc_asprintf(
3760 mem_ctx, "(&(objectClass=%s)(|%s))",
3761 LDAP_OBJ_GROUPMAP, allsids);
3762 if (filter == NULL) {
3763 goto done;
3764 }
3765
3766 rc = smbldap_search(ldap_state->smbldap_state,
3767 lp_ldap_group_suffix(),
3768 LDAP_SCOPE_SUBTREE, filter, ldap_attrs, 0,
3769 &msg);
3770 talloc_autofree_ldapmsg(mem_ctx, msg);
3771 }
3772
3773 if (rc != LDAP_SUCCESS)
3774 goto done;
3775
3776 /* ldap_struct might have changed due to a reconnect */
3777
3778 ld = ldap_state->smbldap_state->ldap_struct;
3779
3780 /* For consistency checks, we already checked we're only domain or builtin */
3781
3782 is_builtin = sid_check_is_builtin(domain_sid);
3783
3784 for (entry = ldap_first_entry(ld, msg);
3785 entry != NULL;
3786 entry = ldap_next_entry(ld, entry))
3787 {
3788 uint32 rid;
3789 int rid_index;
3790 const char *attr;
3791 enum lsa_SidType type;
3792 const char *dn = smbldap_talloc_dn(mem_ctx, ld, entry);
3793
3794 attr = smbldap_talloc_single_attribute(ld, entry, "sambaGroupType",
3795 mem_ctx);
3796 if (attr == NULL) {
3797 DEBUG(2, ("Could not extract type from ldap entry %s\n",
3798 dn));
3799 continue;
3800 }
3801
3802 type = (enum lsa_SidType)atol(attr);
3803
3804 /* Consistency checks */
3805 if ((is_builtin && (type != SID_NAME_ALIAS)) ||
3806 (!is_builtin && ((type != SID_NAME_ALIAS) &&
3807 (type != SID_NAME_DOM_GRP)))) {
3808 DEBUG(2, ("Rejecting invalid group mapping entry %s\n", dn));
3809 }
3810
3811 if (!ldapsam_extract_rid_from_entry(ld, entry, domain_sid,
3812 &rid)) {
3813 DEBUG(2, ("Could not find sid from ldap entry %s\n", dn));
3814 continue;
3815 }
3816
3817 attr = smbldap_talloc_single_attribute(ld, entry, "displayName", names);
3818
3819 if (attr == NULL) {
3820 DEBUG(10, ("Could not retrieve 'displayName' attribute from %s\n",
3821 dn));
3822 attr = smbldap_talloc_single_attribute(ld, entry, "cn", names);
3823 }
3824
3825 if (attr == NULL) {
3826 DEBUG(2, ("Could not retrieve naming attribute from %s\n",
3827 dn));
3828 continue;
3829 }
3830
3831 for (rid_index = 0; rid_index < num_rids; rid_index++) {
3832 if (rid == rids[rid_index])
3833 break;
3834 }
3835
3836 if (rid_index == num_rids) {
3837 DEBUG(2, ("Got a RID not asked for: %d\n", rid));
3838 continue;
3839 }
3840
3841 attrs[rid_index] = type;
3842 names[rid_index] = attr;
3843 num_mapped += 1;
3844 }
3845
3846 result = NT_STATUS_NONE_MAPPED;
3847
3848 if (num_mapped > 0)
3849 result = (num_mapped == num_rids) ?
3850 NT_STATUS_OK : STATUS_SOME_UNMAPPED;
3851 done:
3852 TALLOC_FREE(mem_ctx);
3853 return result;
3854 }
3855
3856 static char *get_ldap_filter(TALLOC_CTX *mem_ctx, const char *username)
3857 {
3858 char *filter = NULL;
3859 char *escaped = NULL;
3860 char *result = NULL;
3861
3862 asprintf(&filter, "(&%s(objectclass=sambaSamAccount))",
3863 "(uid=%u)");
3864 if (filter == NULL) goto done;
3865
3866 escaped = escape_ldap_string_alloc(username);
3867 if (escaped == NULL) goto done;
3868
3869 result = talloc_string_sub(mem_ctx, filter, "%u", username);
3870
3871 done:
3872 SAFE_FREE(filter);
3873 SAFE_FREE(escaped);
3874
3875 return result;
3876 }
3877
3878 const char **talloc_attrs(TALLOC_CTX *mem_ctx, ...)
3879 {
3880 int i, num = 0;
3881 va_list ap;
3882 const char **result;
3883
3884 va_start(ap, mem_ctx);
3885 while (va_arg(ap, const char *) != NULL)
3886 num += 1;
3887 va_end(ap);
3888
3889 if ((result = TALLOC_ARRAY(mem_ctx, const char *, num+1)) == NULL) {
3890 return NULL;
3891 }
3892
3893 va_start(ap, mem_ctx);
3894 for (i=0; i<num; i++) {
3895 result[i] = talloc_strdup(result, va_arg(ap, const char*));
3896 if (result[i] == NULL) {
3897 talloc_free(result);
3898 return NULL;
3899 }
3900 }
3901 va_end(ap);
3902
3903 result[num] = NULL;
3904 return result;
3905 }
3906
3907 struct ldap_search_state {
3908 struct smbldap_state *connection;
3909
3910 uint32 acct_flags;
3911 uint16 group_type;
3912
3913 const char *base;
3914 int scope;
3915 const char *filter;
3916 const char **attrs;
3917 int attrsonly;
3918 void *pagedresults_cookie;
3919
3920 LDAPMessage *entries, *current_entry;
3921 BOOL (*ldap2displayentry)(struct ldap_search_state *state,
3922 TALLOC_CTX *mem_ctx,
3923 LDAP *ld, LDAPMessage *entry,
3924 struct samr_displayentry *result);
3925 };
3926
3927 static BOOL ldapsam_search_firstpage(struct pdb_search *search)
3928 {
3929 struct ldap_search_state *state =
3930 (struct ldap_search_state *)search->private_data;
3931 LDAP *ld;
3932 int rc = LDAP_OPERATIONS_ERROR;
3933
3934 state->entries = NULL;
3935
3936 if (state->connection->paged_results) {
3937 rc = smbldap_search_paged(state->connection, state->base,
3938 state->scope, state->filter,
3939 state->attrs, state->attrsonly,
3940 lp_ldap_page_size(), &state->entries,
3941 &state->pagedresults_cookie);
3942 }
3943
3944 if ((rc != LDAP_SUCCESS) || (state->entries == NULL)) {
3945
3946 if (state->entries != NULL) {
3947 /* Left over from unsuccessful paged attempt */
3948 ldap_msgfree(state->entries);
3949 state->entries = NULL;
3950 }
3951
3952 rc = smbldap_search(state->connection, state->base,
3953 state->scope, state->filter, state->attrs,
3954 state->attrsonly, &state->entries);
3955
3956 if ((rc != LDAP_SUCCESS) || (state->entries == NULL))
3957 return False;
3958
3959 /* Ok, the server was lying. It told us it could do paged
3960 * searches when it could not. */
3961 state->connection->paged_results = False;
3962 }
3963
3964 ld = state->connection->ldap_struct;
3965 if ( ld == NULL) {
3966 DEBUG(5, ("Don't have an LDAP connection right after a "
3967 "search\n"));
3968 return False;
3969 }
3970 state->current_entry = ldap_first_entry(ld, state->entries);
3971
3972 if (state->current_entry == NULL) {
3973 ldap_msgfree(state->entries);
3974 state->entries = NULL;
3975 }
3976
3977 return True;
3978 }
3979
3980 static BOOL ldapsam_search_nextpage(struct pdb_search *search)
3981 {
3982 struct ldap_search_state *state =
3983 (struct ldap_search_state *)search->private_data;
3984 int rc;
3985
3986 if (!state->connection->paged_results) {
3987 /* There is no next page when there are no paged results */
3988 return False;
3989 }
3990
3991 rc = smbldap_search_paged(state->connection, state->base,
3992 state->scope, state->filter, state->attrs,
3993 state->attrsonly, lp_ldap_page_size(),
3994 &state->entries,
3995 &state->pagedresults_cookie);
3996
3997 if ((rc != LDAP_SUCCESS) || (state->entries == NULL))
3998 return False;
3999
4000 state->current_entry = ldap_first_entry(state->connection->ldap_struct, state->entries);
4001
4002 if (state->current_entry == NULL) {
4003 ldap_msgfree(state->entries);
4004 state->entries = NULL;
4005 }
4006
4007 return True;
4008 }
4009
4010 static BOOL ldapsam_search_next_entry(struct pdb_search *search,
4011 struct samr_displayentry *entry)
4012 {
4013 struct ldap_search_state *state =
4014 (struct ldap_search_state *)search->private_data;
4015 BOOL result;
4016
4017 retry:
4018 if ((state->entries == NULL) && (state->pagedresults_cookie == NULL))
4019 return False;
4020
4021 if ((state->entries == NULL) &&
4022 !ldapsam_search_nextpage(search))
4023 return False;
4024
4025 result = state->ldap2displayentry(state, search->mem_ctx, state->connection->ldap_struct,
4026 state->current_entry, entry);
4027
4028 if (!result) {
4029 char *dn;
4030 dn = ldap_get_dn(state->connection->ldap_struct, state->current_entry);
4031 DEBUG(5, ("Skipping entry %s\n", dn != NULL ? dn : "<NULL>"));
4032 if (dn != NULL) ldap_memfree(dn);
4033 }
4034
4035 state->current_entry = ldap_next_entry(state->connection->ldap_struct, state->current_entry);
4036
4037 if (state->current_entry == NULL) {
4038 ldap_msgfree(state->entries);
4039 state->entries = NULL;
4040 }
4041
4042 if (!result) goto retry;
4043
4044 return True;
4045 }
4046
4047 static void ldapsam_search_end(struct pdb_search *search)
4048 {
4049 struct ldap_search_state *state =
4050 (struct ldap_search_state *)search->private_data;
4051 int rc;
4052
4053 if (state->pagedresults_cookie == NULL)
4054 return;
4055
4056 if (state->entries != NULL)
4057 ldap_msgfree(state->entries);
4058
4059 state->entries = NULL;
4060 state->current_entry = NULL;
4061
4062 if (!state->connection->paged_results)
4063 return;
4064
4065 /* Tell the LDAP server we're not interested in the rest anymore. */
4066
4067 rc = smbldap_search_paged(state->connection, state->base, state->scope,
4068 state->filter, state->attrs,
4069 state->attrsonly, 0, &state->entries,
4070 &state->pagedresults_cookie);
4071
4072 if (rc != LDAP_SUCCESS)
4073 DEBUG(5, ("Could not end search properly\n"));
4074
4075 return;
4076 }
4077
4078 static BOOL ldapuser2displayentry(struct ldap_search_state *state,
4079 TALLOC_CTX *mem_ctx,
4080 LDAP *ld, LDAPMessage *entry,
4081 struct samr_displayentry *result)
4082 {
4083 char **vals;
4084 DOM_SID sid;
4085 uint32 acct_flags;
4086
4087 vals = ldap_get_values(ld, entry, "sambaAcctFlags");
4088 if ((vals == NULL) || (vals[0] == NULL)) {
4089 DEBUG(5, ("\"sambaAcctFlags\" not found\n"));
4090 return False;
4091 }
4092 acct_flags = pdb_decode_acct_ctrl(vals[0]);
4093 ldap_value_free(vals);
4094
4095 if ((state->acct_flags != 0) &&
4096 ((state->acct_flags & acct_flags) == 0))
4097 return False;
4098
4099 result->acct_flags = acct_flags;
4100 result->account_name = "";
4101 result->fullname = "";
4102 result->description = "";
4103
4104 vals = ldap_get_values(ld, entry, "uid");
4105 if ((vals == NULL) || (vals[0] == NULL)) {
4106 DEBUG(5, ("\"uid\" not found\n"));
4107 return False;
4108 }
4109 pull_utf8_talloc(mem_ctx,
4110 CONST_DISCARD(char **, &result->account_name),
4111 vals[0]);
4112 ldap_value_free(vals);
4113
4114 vals = ldap_get_values(ld, entry, "displayName");
4115 if ((vals == NULL) || (vals[0] == NULL))
4116 DEBUG(8, ("\"displayName\" not found\n"));
4117 else
4118 pull_utf8_talloc(mem_ctx,
4119 CONST_DISCARD(char **, &result->fullname),
4120 vals[0]);
4121 ldap_value_free(vals);
4122
4123 vals = ldap_get_values(ld, entry, "description");
4124 if ((vals == NULL) || (vals[0] == NULL))
4125 DEBUG(8, ("\"description\" not found\n"));
4126 else
4127 pull_utf8_talloc(mem_ctx,
4128 CONST_DISCARD(char **, &result->description),
4129 vals[0]);
4130 ldap_value_free(vals);
4131
4132 if ((result->account_name == NULL) ||
4133 (result->fullname == NULL) ||
4134 (result->description == NULL)) {
4135 DEBUG(0, ("talloc failed\n"));
4136 return False;
4137 }
4138
4139 vals = ldap_get_values(ld, entry, "sambaSid");
4140 if ((vals == NULL) || (vals[0] == NULL)) {
4141 DEBUG(0, ("\"objectSid\" not found\n"));
4142 return False;
4143 }
4144
4145 if (!string_to_sid(&sid, vals[0])) {
4146 DEBUG(0, ("Could not convert %s to SID\n", vals[0]));
4147 ldap_value_free(vals);
4148 return False;
4149 }
4150 ldap_value_free(vals);
4151
4152 if (!sid_peek_check_rid(get_global_sam_sid(), &sid, &result->rid)) {
4153 DEBUG(0, ("sid %s does not belong to our domain\n",
4154 sid_string_static(&sid)));
4155 return False;
4156 }
4157
4158 return True;
4159 }
4160
4161
4162 static BOOL ldapsam_search_users(struct pdb_methods *methods,
4163 struct pdb_search *search,
4164 uint32 acct_flags)
4165 {
4166 struct ldapsam_privates *ldap_state =
4167 (struct ldapsam_privates *)methods->private_data;
4168 struct ldap_search_state *state;
4169
4170 state = TALLOC_P(search->mem_ctx, struct ldap_search_state);
4171 if (state == NULL) {
4172 DEBUG(0, ("talloc failed\n"));
4173 return False;
4174 }
4175
4176 state->connection = ldap_state->smbldap_state;
4177
4178 if ((acct_flags != 0) && ((acct_flags & ACB_NORMAL) != 0))
4179 state->base = lp_ldap_user_suffix();
4180 else if ((acct_flags != 0) &&
4181 ((acct_flags & (ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)) != 0))
4182 state->base = lp_ldap_machine_suffix();
4183 else
4184 state->base = lp_ldap_suffix();
4185
4186 state->acct_flags = acct_flags;
4187 state->base = talloc_strdup(search->mem_ctx, state->base);
4188 state->scope = LDAP_SCOPE_SUBTREE;
4189 state->filter = get_ldap_filter(search->mem_ctx, "*");
4190 state->attrs = talloc_attrs(search->mem_ctx, "uid", "sambaSid",
4191 "displayName", "description",
4192 "sambaAcctFlags", NULL);
4193 state->attrsonly = 0;
4194 state->pagedresults_cookie = NULL;
4195 state->entries = NULL;
4196 state->ldap2displayentry = ldapuser2displayentry;
4197
4198 if ((state->filter == NULL) || (state->attrs == NULL)) {
4199 DEBUG(0, ("talloc failed\n"));
4200 return False;
4201 }
4202
4203 search->private_data = state;
4204 search->next_entry = ldapsam_search_next_entry;
4205 search->search_end = ldapsam_search_end;
4206
4207 return ldapsam_search_firstpage(search);
4208 }
4209
4210 static BOOL ldapgroup2displayentry(struct ldap_search_state *state,
4211 TALLOC_CTX *mem_ctx,
4212 LDAP *ld, LDAPMessage *entry,
4213 struct samr_displayentry *result)
4214 {
4215 char **vals;
4216 DOM_SID sid;
4217 uint16 group_type;
4218
4219 result->account_name = "";
4220 result->fullname = "";
4221 result->description = "";
4222
4223
4224 vals = ldap_get_values(ld, entry, "sambaGroupType");
4225 if ((vals == NULL) || (vals[0] == NULL)) {
4226 DEBUG(5, ("\"sambaGroupType\" not found\n"));
4227 if (vals != NULL) {
4228 ldap_value_free(vals);
4229 }
4230 return False;
4231 }
4232
4233 group_type = atoi(vals[0]);
4234
4235 if ((state->group_type != 0) &&
4236 ((state->group_type != group_type))) {
4237 ldap_value_free(vals);
4238 return False;
4239 }
4240
4241 ldap_value_free(vals);
4242
4243 /* display name is the NT group name */
4244
4245 vals = ldap_get_values(ld, entry, "displayName");
4246 if ((vals == NULL) || (vals[0] == NULL)) {
4247 DEBUG(8, ("\"displayName\" not found\n"));
4248
4249 /* fallback to the 'cn' attribute */
4250 vals = ldap_get_values(ld, entry, "cn");
4251 if ((vals == NULL) || (vals[0] == NULL)) {
4252 DEBUG(5, ("\"cn\" not found\n"));
4253 return False;
4254 }
4255 pull_utf8_talloc(mem_ctx,
4256 CONST_DISCARD(char **, &result->account_name),
4257 vals[0]);
4258 }
4259 else {
4260 pull_utf8_talloc(mem_ctx,
4261 CONST_DISCARD(char **, &result->account_name),
4262 vals[0]);
4263 }
4264
4265 ldap_value_free(vals);
4266
4267 vals = ldap_get_values(ld, entry, "description");
4268 if ((vals == NULL) || (vals[0] == NULL))
4269 DEBUG(8, ("\"description\" not found\n"));
4270 else
4271 pull_utf8_talloc(mem_ctx,
4272 CONST_DISCARD(char **, &result->description),
4273 vals[0]);
4274 ldap_value_free(vals);
4275
4276 if ((result->account_name == NULL) ||
4277 (result->fullname == NULL) ||
4278 (result->description == NULL)) {
4279 DEBUG(0, ("talloc failed\n"));
4280 return False;
4281 }
4282
4283 vals = ldap_get_values(ld, entry, "sambaSid");
4284 if ((vals == NULL) || (vals[0] == NULL)) {
4285 DEBUG(0, ("\"objectSid\" not found\n"));
4286 if (vals != NULL) {
4287 ldap_value_free(vals);
4288 }
4289 return False;
4290 }
4291
4292 if (!string_to_sid(&sid, vals[0])) {
4293 DEBUG(0, ("Could not convert %s to SID\n", vals[0]));
4294 return False;
4295 }
4296
4297 ldap_value_free(vals);
4298
4299 switch (group_type) {
4300 case SID_NAME_DOM_GRP:
4301 case SID_NAME_ALIAS:
4302
4303 if (!sid_peek_check_rid(get_global_sam_sid(), &sid, &result->rid)
4304 && !sid_peek_check_rid(&global_sid_Builtin, &sid, &result->rid))
4305 {
4306 DEBUG(0, ("%s is not in our domain\n",
4307 sid_string_static(&sid)));
4308 return False;
4309 }
4310 break;
4311
4312 default:
4313 DEBUG(0,("unkown group type: %d\n", group_type));
4314 return False;
4315 }
4316
4317 return True;
4318 }
4319
4320 static BOOL ldapsam_search_grouptype(struct pdb_methods *methods,
4321 struct pdb_search *search,
4322 const DOM_SID *sid,
4323 enum lsa_SidType type)
4324 {
4325 struct ldapsam_privates *ldap_state =
4326 (struct ldapsam_privates *)methods->private_data;
4327 struct ldap_search_state *state;
4328
4329 state = TALLOC_P(search->mem_ctx, struct ldap_search_state);
4330 if (state == NULL) {
4331 DEBUG(0, ("talloc failed\n"));
4332 return False;
4333 }
4334
4335 state->connection = ldap_state->smbldap_state;
4336
4337 state->base = talloc_strdup(search->mem_ctx, lp_ldap_group_suffix());
4338 state->connection = ldap_state->smbldap_state;
4339 state->scope = LDAP_SCOPE_SUBTREE;
4340 state->filter = talloc_asprintf(search->mem_ctx,
4341 "(&(objectclass=sambaGroupMapping)"
4342 "(sambaGroupType=%d)(sambaSID=%s*))",
4343 type, sid_string_static(sid));
4344 state->attrs = talloc_attrs(search->mem_ctx, "cn", "sambaSid",
4345 "displayName", "description",
4346 "sambaGroupType", NULL);
4347 state->attrsonly = 0;
4348 state->pagedresults_cookie = NULL;
4349 state->entries = NULL;
4350 state->group_type = type;
4351 state->ldap2displayentry = ldapgroup2displayentry;
4352
4353 if ((state->filter == NULL) || (state->attrs == NULL)) {
4354 DEBUG(0, ("talloc failed\n"));
4355 return False;
4356 }
4357
4358 search->private_data = state;
4359 search->next_entry = ldapsam_search_next_entry;
4360 search->search_end = ldapsam_search_end;
4361
4362 return ldapsam_search_firstpage(search);
4363 }
4364
4365 static BOOL ldapsam_search_groups(struct pdb_methods *methods,
4366 struct pdb_search *search)
4367 {
4368 return ldapsam_search_grouptype(methods, search, get_global_sam_sid(), SID_NAME_DOM_GRP);
4369 }
4370
4371 static BOOL ldapsam_search_aliases(struct pdb_methods *methods,
4372 struct pdb_search *search,
4373 const DOM_SID *sid)
4374 {
4375 return ldapsam_search_grouptype(methods, search, sid, SID_NAME_ALIAS);
4376 }
4377
4378 static BOOL ldapsam_rid_algorithm(struct pdb_methods *methods)
4379 {
4380 return False;
4381 }
4382
4383 static NTSTATUS ldapsam_get_new_rid(struct ldapsam_privates *priv,
4384 uint32 *rid)
4385 {
4386 struct smbldap_state *smbldap_state = priv->smbldap_state;
4387
4388 LDAPMessage *result = NULL;
4389 LDAPMessage *entry = NULL;
4390 LDAPMod **mods = NULL;
4391 NTSTATUS status;
4392 char *value;
4393 int rc;
4394 uint32 nextRid = 0;
4395 const char *dn;
4396
4397 TALLOC_CTX *mem_ctx;
4398
4399 mem_ctx = talloc_new(NULL);
4400 if (mem_ctx == NULL) {
4401 DEBUG(0, ("talloc_new failed\n"));
4402 return NT_STATUS_NO_MEMORY;
4403 }
4404
4405 status = smbldap_search_domain_info(smbldap_state, &result,
4406 get_global_sam_name(), False);
4407 if (!NT_STATUS_IS_OK(status)) {
4408 DEBUG(3, ("Could not get domain info: %s\n",
4409 nt_errstr(status)));
4410 goto done;
4411 }
4412
4413 talloc_autofree_ldapmsg(mem_ctx, result);
4414
4415 entry = ldap_first_entry(priv2ld(priv), result);
4416 if (entry == NULL) {
4417 DEBUG(0, ("Could not get domain info entry\n"));
4418 status = NT_STATUS_INTERNAL_DB_CORRUPTION;
4419 goto done;
4420 }
4421
4422 /* Find the largest of the three attributes "sambaNextRid",
4423 "sambaNextGroupRid" and "sambaNextUserRid". I gave up on the
4424 concept of differentiating between user and group rids, and will
4425 use only "sambaNextRid" in the future. But for compatibility
4426 reasons I look if others have chosen different strategies -- VL */
4427
4428 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4429 "sambaNextRid", mem_ctx);
4430 if (value != NULL) {
4431 uint32 tmp = (uint32)strtoul(value, NULL, 10);
4432 nextRid = MAX(nextRid, tmp);
4433 }
4434
4435 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4436 "sambaNextUserRid", mem_ctx);
4437 if (value != NULL) {
4438 uint32 tmp = (uint32)strtoul(value, NULL, 10);
4439 nextRid = MAX(nextRid, tmp);
4440 }
4441
4442 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4443 "sambaNextGroupRid", mem_ctx);
4444 if (value != NULL) {
4445 uint32 tmp = (uint32)strtoul(value, NULL, 10);
4446 nextRid = MAX(nextRid, tmp);
4447 }
4448
4449 if (nextRid == 0) {
4450 nextRid = BASE_RID-1;
4451 }
4452
4453 nextRid += 1;
4454
4455 smbldap_make_mod(priv2ld(priv), entry, &mods, "sambaNextRid",
4456 talloc_asprintf(mem_ctx, "%d", nextRid));
4457 talloc_autofree_ldapmod(mem_ctx, mods);
4458
4459 if ((dn = smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry)) == NULL) {
4460 status = NT_STATUS_NO_MEMORY;
4461 goto done;
4462 }
4463
4464 rc = smbldap_modify(smbldap_state, dn, mods);
4465
4466 /* ACCESS_DENIED is used as a placeholder for "the modify failed,
4467 * please retry" */
4468
4469 status = (rc == LDAP_SUCCESS) ? NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
4470
4471 done:
4472 if (NT_STATUS_IS_OK(status)) {
4473 *rid = nextRid;
4474 }
4475
4476 TALLOC_FREE(mem_ctx);
4477 return status;
4478 }
4479
4480 static NTSTATUS ldapsam_new_rid_internal(struct pdb_methods *methods, uint32 *rid)
4481 {
4482 int i;
4483
4484 for (i=0; i<10; i++) {
4485 NTSTATUS result = ldapsam_get_new_rid(
4486 (struct ldapsam_privates *)methods->private_data, rid);
4487 if (NT_STATUS_IS_OK(result)) {
4488 return result;
4489 }
4490
4491 if (!NT_STATUS_EQUAL(result, NT_STATUS_ACCESS_DENIED)) {
4492 return result;
4493 }
4494
4495 /* The ldap update failed (maybe a race condition), retry */
4496 }
4497
4498 /* Tried 10 times, fail. */
4499 return NT_STATUS_ACCESS_DENIED;
4500 }
4501
4502 static BOOL ldapsam_new_rid(struct pdb_methods *methods, uint32 *rid)
4503 {
4504 NTSTATUS result = ldapsam_new_rid_internal(methods, rid);
4505 return NT_STATUS_IS_OK(result) ? True : False;
4506 }
4507
4508 static BOOL ldapsam_sid_to_id(struct pdb_methods *methods,
4509 const DOM_SID *sid,
4510 union unid_t *id, enum lsa_SidType *type)
4511 {
4512 struct ldapsam_privates *priv =
4513 (struct ldapsam_privates *)methods->private_data;
4514 char *filter;
4515 const char *attrs[] = { "sambaGroupType", "gidNumber", "uidNumber",
4516 NULL };
4517 LDAPMessage *result = NULL;
4518 LDAPMessage *entry = NULL;
4519 BOOL ret = False;
4520 char *value;
4521 int rc;
4522
4523 TALLOC_CTX *mem_ctx;
4524
4525 mem_ctx = talloc_new(NULL);
4526 if (mem_ctx == NULL) {
4527 DEBUG(0, ("talloc_new failed\n"));
4528 return False;
4529 }
4530
4531 filter = talloc_asprintf(mem_ctx,
4532 "(&(sambaSid=%s)"
4533 "(|(objectClass=%s)(objectClass=%s)))",
4534 sid_string_static(sid),
4535 LDAP_OBJ_GROUPMAP, LDAP_OBJ_SAMBASAMACCOUNT);
4536 if (filter == NULL) {
4537 DEBUG(5, ("talloc_asprintf failed\n"));
4538 goto done;
4539 }
4540
4541 rc = smbldap_search_suffix(priv->smbldap_state, filter,
4542 attrs, &result);
4543 if (rc != LDAP_SUCCESS) {
4544 goto done;
4545 }
4546 talloc_autofree_ldapmsg(mem_ctx, result);
4547
4548 if (ldap_count_entries(priv2ld(priv), result) != 1) {
4549 DEBUG(10, ("Got %d entries, expected one\n",
4550 ldap_count_entries(priv2ld(priv), result)));
4551 goto done;
4552 }
4553
4554 entry = ldap_first_entry(priv2ld(priv), result);
4555
4556 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4557 "sambaGroupType", mem_ctx);
4558
4559 if (value != NULL) {
4560 const char *gid_str;
4561 /* It's a group */
4562
4563 gid_str = smbldap_talloc_single_attribute(
4564 priv2ld(priv), entry, "gidNumber", mem_ctx);
4565 if (gid_str == NULL) {
4566 DEBUG(1, ("%s has sambaGroupType but no gidNumber\n",
4567 smbldap_talloc_dn(mem_ctx, priv2ld(priv),
4568 entry)));
4569 goto done;
4570 }
4571
4572 id->gid = strtoul(gid_str, NULL, 10);
4573 *type = (enum lsa_SidType)strtoul(value, NULL, 10);
4574 ret = True;
4575 goto done;
4576 }
4577
4578 /* It must be a user */
4579
4580 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4581 "uidNumber", mem_ctx);
4582 if (value == NULL) {
4583 DEBUG(1, ("Could not find uidNumber in %s\n",
4584 smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry)));
4585 goto done;
4586 }
4587
4588 id->uid = strtoul(value, NULL, 10);
4589 *type = SID_NAME_USER;
4590
4591 ret = True;
4592 done:
4593 TALLOC_FREE(mem_ctx);
4594 return ret;
4595 }
4596
4597 /*
4598 * The following functions is called only if
4599 * ldapsam:trusted and ldapsam:editposix are
4600 * set to true
4601 */
4602
4603 /*
4604 * ldapsam_create_user creates a new
4605 * posixAccount and sambaSamAccount object
4606 * in the ldap users subtree
4607 *
4608 * The uid is allocated by winbindd.
4609 */
4610
4611 static NTSTATUS ldapsam_create_user(struct pdb_methods *my_methods,
4612 TALLOC_CTX *tmp_ctx, const char *name,
4613 uint32 acb_info, uint32 *rid)
4614 {
4615 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
4616 LDAPMessage *entry = NULL;
4617 LDAPMessage *result = NULL;
4618 uint32 num_result;
4619 BOOL is_machine = False;
4620 BOOL add_posix = False;
4621 LDAPMod **mods = NULL;
4622 struct samu *user;
4623 char *filter;
4624 char *username;
4625 char *homedir;
4626 char *gidstr;
4627 char *uidstr;
4628 char *shell;
4629 const char *dn = NULL;
4630 DOM_SID group_sid;
4631 DOM_SID user_sid;
4632 gid_t gid = -1;
4633 uid_t uid = -1;
4634 NTSTATUS ret;
4635 int rc;
4636
4637 if (((acb_info & ACB_NORMAL) && name[strlen(name)-1] == '$') ||
4638 acb_info & ACB_WSTRUST ||
4639 acb_info & ACB_SVRTRUST ||
4640 acb_info & ACB_DOMTRUST) {
4641 is_machine = True;
4642 }
4643
4644 username = escape_ldap_string_alloc(name);
4645 filter = talloc_asprintf(tmp_ctx, "(&(uid=%s)(objectClass=%s))",
4646 username, LDAP_OBJ_POSIXACCOUNT);
4647 SAFE_FREE(username);
4648
4649 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
4650 if (rc != LDAP_SUCCESS) {
4651 DEBUG(0,("ldapsam_create_user: ldap search failed!\n"));
4652 return NT_STATUS_UNSUCCESSFUL;
4653 }
4654 talloc_autofree_ldapmsg(tmp_ctx, result);
4655
4656 num_result = ldap_count_entries(priv2ld(ldap_state), result);
4657
4658 if (num_result > 1) {
4659 DEBUG (0, ("ldapsam_create_user: More than one user with name [%s] ?!\n", name));
4660 return NT_STATUS_INTERNAL_DB_CORRUPTION;
4661 }
4662
4663 if (num_result == 1) {
4664 char *tmp;
4665 /* check if it is just a posix account.
4666 * or if there is a sid attached to this entry
4667 */
4668
4669 entry = ldap_first_entry(priv2ld(ldap_state), result);
4670 if (!entry) {
4671 return NT_STATUS_UNSUCCESSFUL;
4672 }
4673
4674 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "sambaSID", tmp_ctx);
4675 if (tmp) {
4676 DEBUG (1, ("ldapsam_create_user: The user [%s] already exist!\n", name));
4677 return NT_STATUS_USER_EXISTS;
4678 }
4679
4680 /* it is just a posix account, retrieve the dn for later use */
4681 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
4682 if (!dn) {
4683 DEBUG(0,("ldapsam_create_user: Out of memory!\n"));
4684 return NT_STATUS_NO_MEMORY;
4685 }
4686 }
4687
4688 if (num_result == 0) {
4689 add_posix = True;
4690 }
4691
4692 /* Create the basic samu structure and generate the mods for the ldap commit */
4693 if (!NT_STATUS_IS_OK((ret = ldapsam_new_rid_internal(my_methods, rid)))) {
4694 DEBUG(1, ("ldapsam_create_user: Could not allocate a new RID\n"));
4695 return ret;
4696 }
4697
4698 sid_compose(&user_sid, get_global_sam_sid(), *rid);
4699
4700 user = samu_new(tmp_ctx);
4701 if (!user) {
4702 DEBUG(1,("ldapsam_create_user: Unable to allocate user struct\n"));
4703 return NT_STATUS_NO_MEMORY;
4704 }
4705
4706 if (!pdb_set_username(user, name, PDB_SET)) {
4707 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
4708 return NT_STATUS_UNSUCCESSFUL;
4709 }
4710 if (!pdb_set_domain(user, get_global_sam_name(), PDB_SET)) {
4711 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
4712 return NT_STATUS_UNSUCCESSFUL;
4713 }
4714 if (is_machine) {
4715 if (acb_info & ACB_NORMAL) {
4716 if (!pdb_set_acct_ctrl(user, ACB_WSTRUST, PDB_SET)) {
4717 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
4718 return NT_STATUS_UNSUCCESSFUL;
4719 }
4720 } else {
4721 if (!pdb_set_acct_ctrl(user, acb_info, PDB_SET)) {
4722 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
4723 return NT_STATUS_UNSUCCESSFUL;
4724 }
4725 }
4726 } else {
4727 if (!pdb_set_acct_ctrl(user, ACB_NORMAL | ACB_DISABLED, PDB_SET)) {
4728 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
4729 return NT_STATUS_UNSUCCESSFUL;
4730 }
4731 }
4732
4733 if (!pdb_set_user_sid(user, &user_sid, PDB_SET)) {
4734 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
4735 return NT_STATUS_UNSUCCESSFUL;
4736 }
4737
4738 if (!init_ldap_from_sam(ldap_state, NULL, &mods, user, element_is_set_or_changed)) {
4739 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
4740 return NT_STATUS_UNSUCCESSFUL;
4741 }
4742
4743 if (ldap_state->schema_ver != SCHEMAVER_SAMBASAMACCOUNT) {
4744 DEBUG(1,("ldapsam_create_user: Unsupported schema version\n"));
4745 }
4746 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_SAMBASAMACCOUNT);
4747
4748 if (add_posix) {
4749 DEBUG(3,("ldapsam_create_user: Creating new posix user\n"));
4750
4751 /* retrieve the Domain Users group gid */
4752 if (!sid_compose(&group_sid, get_global_sam_sid(), DOMAIN_GROUP_RID_USERS) ||
4753 !sid_to_gid(&group_sid, &gid)) {
4754 DEBUG (0, ("ldapsam_create_user: Unable to get the Domain Users gid: bailing out!\n"));
4755 return NT_STATUS_INVALID_PRIMARY_GROUP;
4756 }
4757
4758 /* lets allocate a new userid for this user */
4759 if (!winbind_allocate_uid(&uid)) {
4760 DEBUG (0, ("ldapsam_create_user: Unable to allocate a new user id: bailing out!\n"));
4761 return NT_STATUS_UNSUCCESSFUL;
4762 }
4763
4764
4765 if (is_machine) {
4766 /* TODO: choose a more appropriate default for machines */
4767 homedir = talloc_sub_specified(tmp_ctx, lp_template_homedir(), "SMB_workstations_home", ldap_state->domain_name, uid, gid);
4768 shell = talloc_strdup(tmp_ctx, "/bin/false");
4769 } else {
4770 homedir = talloc_sub_specified(tmp_ctx, lp_template_homedir(), name, ldap_state->domain_name, uid, gid);
4771 shell = talloc_sub_specified(tmp_ctx, lp_template_shell(), name, ldap_state->domain_name, uid, gid);
4772 }
4773 uidstr = talloc_asprintf(tmp_ctx, "%d", uid);
4774 gidstr = talloc_asprintf(tmp_ctx, "%d", gid);
4775 if (is_machine) {
4776 dn = talloc_asprintf(tmp_ctx, "uid=%s,%s", name, lp_ldap_machine_suffix ());
4777 } else {
4778 dn = talloc_asprintf(tmp_ctx, "uid=%s,%s", name, lp_ldap_user_suffix ());
4779 }
4780
4781 if (!homedir || !shell || !uidstr || !gidstr || !dn) {
4782 DEBUG (0, ("ldapsam_create_user: Out of memory!\n"));
4783 return NT_STATUS_NO_MEMORY;
4784 }
4785
4786 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_ACCOUNT);
4787 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_POSIXACCOUNT);
4788 smbldap_set_mod(&mods, LDAP_MOD_ADD, "cn", name);
4789 smbldap_set_mod(&mods, LDAP_MOD_ADD, "uidNumber", uidstr);
4790 smbldap_set_mod(&mods, LDAP_MOD_ADD, "gidNumber", gidstr);
4791 smbldap_set_mod(&mods, LDAP_MOD_ADD, "homeDirectory", homedir);
4792 smbldap_set_mod(&mods, LDAP_MOD_ADD, "loginShell", shell);
4793 }
4794
4795 talloc_autofree_ldapmod(tmp_ctx, mods);
4796
4797 if (add_posix) {
4798 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
4799 } else {
4800 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
4801 }
4802
4803 if (rc != LDAP_SUCCESS) {
4804 DEBUG(0,("ldapsam_create_user: failed to create a new user [%s] (dn = %s)\n", name ,dn));
4805 return NT_STATUS_UNSUCCESSFUL;
4806 }
4807
4808 DEBUG(2,("ldapsam_create_user: added account [%s] in the LDAP database\n", name));
4809
4810 flush_pwnam_cache();
4811
4812 return NT_STATUS_OK;
4813 }
4814
4815 static NTSTATUS ldapsam_delete_user(struct pdb_methods *my_methods, TALLOC_CTX *tmp_ctx, struct samu *sam_acct)
4816 {
4817 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
4818 LDAPMessage *result = NULL;
4819 LDAPMessage *entry = NULL;
4820 int num_result;
4821 const char *dn;
4822 char *filter;
4823 int rc;
4824
4825 DEBUG(0,("ldapsam_delete_user: Attempt to delete user [%s]\n", pdb_get_username(sam_acct)));
4826
4827 filter = talloc_asprintf(tmp_ctx,
4828 "(&(uid=%s)"
4829 "(objectClass=%s)"
4830 "(objectClass=%s))",
4831 pdb_get_username(sam_acct),
4832 LDAP_OBJ_POSIXACCOUNT,
4833 LDAP_OBJ_SAMBASAMACCOUNT);
4834 if (filter == NULL) {
4835 return NT_STATUS_NO_MEMORY;
4836 }
4837
4838 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
4839 if (rc != LDAP_SUCCESS) {
4840 DEBUG(0,("ldapsam_delete_user: user search failed!\n"));
4841 return NT_STATUS_UNSUCCESSFUL;
4842 }
4843 talloc_autofree_ldapmsg(tmp_ctx, result);
4844
4845 num_result = ldap_count_entries(priv2ld(ldap_state), result);
4846
4847 if (num_result == 0) {
4848 DEBUG(0,("ldapsam_delete_user: user not found!\n"));
4849 return NT_STATUS_NO_SUCH_USER;
4850 }
4851
4852 if (num_result > 1) {
4853 DEBUG (0, ("ldapsam_delete_user: More than one user with name [%s] ?!\n", pdb_get_username(sam_acct)));
4854 return NT_STATUS_INTERNAL_DB_CORRUPTION;
4855 }
4856
4857 entry = ldap_first_entry(priv2ld(ldap_state), result);
4858 if (!entry) {
4859 return NT_STATUS_UNSUCCESSFUL;
4860 }
4861
4862 /* it is just a posix account, retrieve the dn for later use */
4863 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
4864 if (!dn) {
4865 DEBUG(0,("ldapsam_delete_user: Out of memory!\n"));
4866 return NT_STATUS_NO_MEMORY;
4867 }
4868
4869 rc = smbldap_delete(ldap_state->smbldap_state, dn);
4870 if (rc != LDAP_SUCCESS) {
4871 return NT_STATUS_UNSUCCESSFUL;
4872 }
4873
4874 flush_pwnam_cache();
4875
4876 return NT_STATUS_OK;
4877 }
4878
4879 /*
4880 * ldapsam_create_group creates a new
4881 * posixGroup and sambaGroupMapping object
4882 * in the ldap groups subtree
4883 *
4884 * The gid is allocated by winbindd.
4885 */
4886
4887 static NTSTATUS ldapsam_create_dom_group(struct pdb_methods *my_methods,
4888 TALLOC_CTX *tmp_ctx,
4889 const char *name,
4890 uint32 *rid)
4891 {
4892 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
4893 NTSTATUS ret;
4894 LDAPMessage *entry = NULL;
4895 LDAPMessage *result = NULL;
4896 uint32 num_result;
4897 BOOL is_new_entry = False;
4898 LDAPMod **mods = NULL;
4899 char *filter;
4900 char *groupsidstr;
4901 char *groupname;
4902 char *grouptype;
4903 char *gidstr;
4904 const char *dn = NULL;
4905 DOM_SID group_sid;
4906 gid_t gid = -1;
4907 int rc;
4908
4909 groupname = escape_ldap_string_alloc(name);
4910 filter = talloc_asprintf(tmp_ctx, "(&(cn=%s)(objectClass=%s))",
4911 groupname, LDAP_OBJ_POSIXGROUP);
4912 SAFE_FREE(groupname);
4913
4914 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
4915 if (rc != LDAP_SUCCESS) {
4916 DEBUG(0,("ldapsam_create_group: ldap search failed!\n"));
4917 return NT_STATUS_UNSUCCESSFUL;
4918 }
4919 talloc_autofree_ldapmsg(tmp_ctx, result);
4920
4921 num_result = ldap_count_entries(priv2ld(ldap_state), result);
4922
4923 if (num_result > 1) {
4924 DEBUG (0, ("ldapsam_create_group: There exists more than one group with name [%s]: bailing out!\n", name));
4925 return NT_STATUS_INTERNAL_DB_CORRUPTION;
4926 }
4927
4928 if (num_result == 1) {
4929 char *tmp;
4930 /* check if it is just a posix group.
4931 * or if there is a sid attached to this entry
4932 */
4933
4934 entry = ldap_first_entry(priv2ld(ldap_state), result);
4935 if (!entry) {
4936 return NT_STATUS_UNSUCCESSFUL;
4937 }
4938
4939 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "sambaSID", tmp_ctx);
4940 if (tmp) {
4941 DEBUG (1, ("ldapsam_create_group: The group [%s] already exist!\n", name));
4942 return NT_STATUS_GROUP_EXISTS;
4943 }
4944
4945 /* it is just a posix group, retrieve the gid and the dn for later use */
4946 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
4947 if (!tmp) {
4948 DEBUG (1, ("ldapsam_create_group: Couldn't retrieve the gidNumber for [%s]?!?!\n", name));
4949 return NT_STATUS_INTERNAL_DB_CORRUPTION;
4950 }
4951
4952 gid = strtoul(tmp, NULL, 10);
4953
4954 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
4955 if (!dn) {
4956 DEBUG(0,("ldapsam_create_group: Out of memory!\n"));
4957 return NT_STATUS_NO_MEMORY;
4958 }
4959 }
4960
4961 if (num_result == 0) {
4962 DEBUG(3,("ldapsam_create_user: Creating new posix group\n"));
4963
4964 is_new_entry = True;
4965
4966 /* lets allocate a new groupid for this group */
4967 if (!winbind_allocate_gid(&gid)) {
4968 DEBUG (0, ("ldapsam_create_group: Unable to allocate a new group id: bailing out!\n"));
4969 return NT_STATUS_UNSUCCESSFUL;
4970 }
4971
4972 gidstr = talloc_asprintf(tmp_ctx, "%d", gid);
4973 dn = talloc_asprintf(tmp_ctx, "cn=%s,%s", name, lp_ldap_group_suffix());
4974
4975 if (!gidstr || !dn) {
4976 DEBUG (0, ("ldapsam_create_group: Out of memory!\n"));
4977 return NT_STATUS_NO_MEMORY;
4978 }
4979
4980 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_POSIXGROUP);
4981 smbldap_set_mod(&mods, LDAP_MOD_ADD, "cn", name);
4982 smbldap_set_mod(&mods, LDAP_MOD_ADD, "gidNumber", gidstr);
4983 }
4984
4985 if (!NT_STATUS_IS_OK((ret = ldapsam_new_rid_internal(my_methods, rid)))) {
4986 DEBUG(1, ("ldapsam_create_group: Could not allocate a new RID\n"));
4987 return ret;
4988 }
4989
4990 sid_compose(&group_sid, get_global_sam_sid(), *rid);
4991
4992 groupsidstr = talloc_strdup(tmp_ctx, sid_string_static(&group_sid));
4993 grouptype = talloc_asprintf(tmp_ctx, "%d", SID_NAME_DOM_GRP);
4994
4995 if (!groupsidstr || !grouptype) {
4996 DEBUG(0,("ldapsam_create_group: Out of memory!\n"));
4997 return NT_STATUS_NO_MEMORY;
4998 }
4999
5000 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_GROUPMAP);
5001 smbldap_set_mod(&mods, LDAP_MOD_ADD, "sambaSid", groupsidstr);
5002 smbldap_set_mod(&mods, LDAP_MOD_ADD, "sambaGroupType", grouptype);
5003 smbldap_set_mod(&mods, LDAP_MOD_ADD, "displayName", name);
5004 talloc_autofree_ldapmod(tmp_ctx, mods);
5005
5006 if (is_new_entry) {
5007 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5008 #if 0
5009 if (rc == LDAP_OBJECT_CLASS_VIOLATION) {
5010 /* This call may fail with rfc2307bis schema */
5011 /* Retry adding a structural class */
5012 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", "????");
5013 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5014 }
5015 #endif
5016 } else {
5017 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5018 }
5019
5020 if (rc != LDAP_SUCCESS) {
5021 DEBUG(0,("ldapsam_create_group: failed to create a new group [%s] (dn = %s)\n", name ,dn));
5022 return NT_STATUS_UNSUCCESSFUL;
5023 }
5024
5025 DEBUG(2,("ldapsam_create_group: added group [%s] in the LDAP database\n", name));
5026
5027 return NT_STATUS_OK;
5028 }
5029
5030 static NTSTATUS ldapsam_delete_dom_group(struct pdb_methods *my_methods, TALLOC_CTX *tmp_ctx, uint32 rid)
5031 {
5032 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5033 LDAPMessage *result = NULL;
5034 LDAPMessage *entry = NULL;
5035 int num_result;
5036 const char *dn;
5037 char *gidstr;
5038 char *filter;
5039 DOM_SID group_sid;
5040 int rc;
5041
5042 /* get the group sid */
5043 sid_compose(&group_sid, get_global_sam_sid(), rid);
5044
5045 filter = talloc_asprintf(tmp_ctx,
5046 "(&(sambaSID=%s)"
5047 "(objectClass=%s)"
5048 "(objectClass=%s))",
5049 sid_string_static(&group_sid),
5050 LDAP_OBJ_POSIXGROUP,
5051 LDAP_OBJ_GROUPMAP);
5052 if (filter == NULL) {
5053 return NT_STATUS_NO_MEMORY;
5054 }
5055
5056 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5057 if (rc != LDAP_SUCCESS) {
5058 DEBUG(1,("ldapsam_delete_dom_group: group search failed!\n"));
5059 return NT_STATUS_UNSUCCESSFUL;
5060 }
5061 talloc_autofree_ldapmsg(tmp_ctx, result);
5062
5063 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5064
5065 if (num_result == 0) {
5066 DEBUG(1,("ldapsam_delete_dom_group: group not found!\n"));
5067 return NT_STATUS_NO_SUCH_GROUP;
5068 }
5069
5070 if (num_result > 1) {
5071 DEBUG (0, ("ldapsam_delete_dom_group: More than one group with the same SID ?!\n"));
5072 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5073 }
5074
5075 entry = ldap_first_entry(priv2ld(ldap_state), result);
5076 if (!entry) {
5077 return NT_STATUS_UNSUCCESSFUL;
5078 }
5079
5080 /* here it is, retrieve the dn for later use */
5081 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5082 if (!dn) {
5083 DEBUG(0,("ldapsam_delete_dom_group: Out of memory!\n"));
5084 return NT_STATUS_NO_MEMORY;
5085 }
5086
5087 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5088 if (!gidstr) {
5089 DEBUG (0, ("ldapsam_delete_dom_group: Unable to find the group's gid!\n"));
5090 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5091 }
5092
5093 /* check no user have this group marked as primary group */
5094 filter = talloc_asprintf(tmp_ctx,
5095 "(&(gidNumber=%s)"
5096 "(objectClass=%s)"
5097 "(objectClass=%s))",
5098 gidstr,
5099 LDAP_OBJ_POSIXACCOUNT,
5100 LDAP_OBJ_SAMBASAMACCOUNT);
5101
5102 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5103 if (rc != LDAP_SUCCESS) {
5104 DEBUG(1,("ldapsam_delete_dom_group: accounts search failed!\n"));
5105 return NT_STATUS_UNSUCCESSFUL;
5106 }
5107 talloc_autofree_ldapmsg(tmp_ctx, result);
5108
5109 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5110
5111 if (num_result != 0) {
5112 DEBUG(3,("ldapsam_delete_dom_group: Can't delete group, it is a primary group for %d users\n", num_result));
5113 return NT_STATUS_MEMBERS_PRIMARY_GROUP;
5114 }
5115
5116 rc = smbldap_delete(ldap_state->smbldap_state, dn);
5117 if (rc != LDAP_SUCCESS) {
5118 return NT_STATUS_UNSUCCESSFUL;
5119 }
5120
5121 return NT_STATUS_OK;
5122 }
5123
5124 static NTSTATUS ldapsam_change_groupmem(struct pdb_methods *my_methods,
5125 TALLOC_CTX *tmp_ctx,
5126 uint32 group_rid,
5127 uint32 member_rid,
5128 int modop)
5129 {
5130 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5131 LDAPMessage *entry = NULL;
5132 LDAPMessage *result = NULL;
5133 uint32 num_result;
5134 LDAPMod **mods = NULL;
5135 char *filter;
5136 char *uidstr;
5137 const char *dn = NULL;
5138 DOM_SID group_sid;
5139 DOM_SID member_sid;
5140 int rc;
5141
5142 switch (modop) {
5143 case LDAP_MOD_ADD:
5144 DEBUG(1,("ldapsam_change_groupmem: add new member(rid=%d) to a domain group(rid=%d)", member_rid, group_rid));
5145 break;
5146 case LDAP_MOD_DELETE:
5147 DEBUG(1,("ldapsam_change_groupmem: delete member(rid=%d) from a domain group(rid=%d)", member_rid, group_rid));
5148 break;
5149 default:
5150 return NT_STATUS_UNSUCCESSFUL;
5151 }
5152
5153 /* get member sid */
5154 sid_compose(&member_sid, get_global_sam_sid(), member_rid);
5155
5156 /* get the group sid */
5157 sid_compose(&group_sid, get_global_sam_sid(), group_rid);
5158
5159 filter = talloc_asprintf(tmp_ctx,
5160 "(&(sambaSID=%s)"
5161 "(objectClass=%s)"
5162 "(objectClass=%s))",
5163 sid_string_static(&member_sid),
5164 LDAP_OBJ_POSIXACCOUNT,
5165 LDAP_OBJ_SAMBASAMACCOUNT);
5166 if (filter == NULL) {
5167 return NT_STATUS_NO_MEMORY;
5168 }
5169
5170 /* get the member uid */
5171 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5172 if (rc != LDAP_SUCCESS) {
5173 DEBUG(1,("ldapsam_change_groupmem: member search failed!\n"));
5174 return NT_STATUS_UNSUCCESSFUL;
5175 }
5176 talloc_autofree_ldapmsg(tmp_ctx, result);
5177
5178 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5179
5180 if (num_result == 0) {
5181 DEBUG(1,("ldapsam_change_groupmem: member not found!\n"));
5182 return NT_STATUS_NO_SUCH_MEMBER;
5183 }
5184
5185 if (num_result > 1) {
5186 DEBUG (0, ("ldapsam_change_groupmem: More than one account with the same SID ?!\n"));
5187 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5188 }
5189
5190 entry = ldap_first_entry(priv2ld(ldap_state), result);
5191 if (!entry) {
5192 return NT_STATUS_UNSUCCESSFUL;
5193 }
5194
5195 if (modop == LDAP_MOD_DELETE) {
5196 /* check if we are trying to remove the member from his primary group */
5197 char *gidstr;
5198 gid_t user_gid, group_gid;
5199
5200 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5201 if (!gidstr) {
5202 DEBUG (0, ("ldapsam_change_groupmem: Unable to find the member's gid!\n"));
5203 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5204 }
5205
5206 user_gid = strtoul(gidstr, NULL, 10);
5207
5208 if (!sid_to_gid(&group_sid, &group_gid)) {
5209 DEBUG (0, ("ldapsam_change_groupmem: Unable to get group gid from SID!\n"));
5210 return NT_STATUS_UNSUCCESSFUL;
5211 }
5212
5213 if (user_gid == group_gid) {
5214 DEBUG (3, ("ldapsam_change_groupmem: can't remove user from it's own primary group!\n"));
5215 return NT_STATUS_MEMBERS_PRIMARY_GROUP;
5216 }
5217 }
5218
5219 /* here it is, retrieve the uid for later use */
5220 uidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "uid", tmp_ctx);
5221 if (!uidstr) {
5222 DEBUG (0, ("ldapsam_change_groupmem: Unable to find the member's name!\n"));
5223 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5224 }
5225
5226 filter = talloc_asprintf(tmp_ctx,
5227 "(&(sambaSID=%s)"
5228 "(objectClass=%s)"
5229 "(objectClass=%s))",
5230 sid_string_static(&group_sid),
5231 LDAP_OBJ_POSIXGROUP,
5232 LDAP_OBJ_GROUPMAP);
5233
5234 /* get the group */
5235 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5236 if (rc != LDAP_SUCCESS) {
5237 DEBUG(1,("ldapsam_change_groupmem: group search failed!\n"));
5238 return NT_STATUS_UNSUCCESSFUL;
5239 }
5240 talloc_autofree_ldapmsg(tmp_ctx, result);
5241
5242 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5243
5244 if (num_result == 0) {
5245 DEBUG(1,("ldapsam_change_groupmem: group not found!\n"));
5246 return NT_STATUS_NO_SUCH_GROUP;
5247 }
5248
5249 if (num_result > 1) {
5250 DEBUG (0, ("ldapsam_change_groupmem: More than one group with the same SID ?!\n"));
5251 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5252 }
5253
5254 entry = ldap_first_entry(priv2ld(ldap_state), result);
5255 if (!entry) {
5256 return NT_STATUS_UNSUCCESSFUL;
5257 }
5258
5259 /* here it is, retrieve the dn for later use */
5260 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5261 if (!dn) {
5262 DEBUG(0,("ldapsam_change_groupmem: Out of memory!\n"));
5263 return NT_STATUS_NO_MEMORY;
5264 }
5265
5266 smbldap_set_mod(&mods, modop, "memberUid", uidstr);
5267
5268 talloc_autofree_ldapmod(tmp_ctx, mods);
5269
5270 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5271 if (rc != LDAP_SUCCESS) {
5272 if (rc == LDAP_TYPE_OR_VALUE_EXISTS && modop == LDAP_MOD_ADD) {
5273 DEBUG(1,("ldapsam_change_groupmem: member is already in group, add failed!\n"));
5274 return NT_STATUS_MEMBER_IN_GROUP;
5275 }
5276 if (rc == LDAP_NO_SUCH_ATTRIBUTE && modop == LDAP_MOD_DELETE) {
5277 DEBUG(1,("ldapsam_change_groupmem: member is not in group, delete failed!\n"));
5278 return NT_STATUS_MEMBER_NOT_IN_GROUP;
5279 }
5280 return NT_STATUS_UNSUCCESSFUL;
5281 }
5282
5283 return NT_STATUS_OK;
5284 }
5285
5286 static NTSTATUS ldapsam_add_groupmem(struct pdb_methods *my_methods,
5287 TALLOC_CTX *tmp_ctx,
5288 uint32 group_rid,
5289 uint32 member_rid)
5290 {
5291 return ldapsam_change_groupmem(my_methods, tmp_ctx, group_rid, member_rid, LDAP_MOD_ADD);
5292 }
5293 static NTSTATUS ldapsam_del_groupmem(struct pdb_methods *my_methods,
5294 TALLOC_CTX *tmp_ctx,
5295 uint32 group_rid,
5296 uint32 member_rid)
5297 {
5298 return ldapsam_change_groupmem(my_methods, tmp_ctx, group_rid, member_rid, LDAP_MOD_DELETE);
5299 }
5300
5301 static NTSTATUS ldapsam_set_primary_group(struct pdb_methods *my_methods,
5302 TALLOC_CTX *mem_ctx,
5303 struct samu *sampass)
5304 {
5305 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5306 LDAPMessage *entry = NULL;
5307 LDAPMessage *result = NULL;
5308 uint32 num_result;
5309 LDAPMod **mods = NULL;
5310 char *filter;
5311 char *gidstr;
5312 const char *dn = NULL;
5313 gid_t gid;
5314 int rc;
5315
5316 DEBUG(0,("ldapsam_set_primary_group: Attempt to set primary group for user [%s]\n", pdb_get_username(sampass)));
5317
5318 if (!sid_to_gid(pdb_get_group_sid(sampass), &gid)) {
5319 DEBUG(0,("ldapsam_set_primary_group: failed to retieve gid from user's group SID!\n"));
5320 return NT_STATUS_UNSUCCESSFUL;
5321 }
5322 gidstr = talloc_asprintf(mem_ctx, "%d", gid);
5323 if (!gidstr) {
5324 DEBUG(0,("ldapsam_set_primary_group: Out of Memory!\n"));
5325 return NT_STATUS_NO_MEMORY;
5326 }
5327
5328 filter = talloc_asprintf(mem_ctx,
5329 "(&(uid=%s)"
5330 "(objectClass=%s)"
5331 "(objectClass=%s))",
5332 pdb_get_username(sampass),
5333 LDAP_OBJ_POSIXACCOUNT,
5334 LDAP_OBJ_SAMBASAMACCOUNT);
5335 if (filter == NULL) {
5336 return NT_STATUS_NO_MEMORY;
5337 }
5338
5339 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5340 if (rc != LDAP_SUCCESS) {
5341 DEBUG(0,("ldapsam_set_primary_group: user search failed!\n"));
5342 return NT_STATUS_UNSUCCESSFUL;
5343 }
5344 talloc_autofree_ldapmsg(mem_ctx, result);
5345
5346 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5347
5348 if (num_result == 0) {
5349 DEBUG(0,("ldapsam_set_primary_group: user not found!\n"));
5350 return NT_STATUS_NO_SUCH_USER;
5351 }
5352
5353 if (num_result > 1) {
5354 DEBUG (0, ("ldapsam_set_primary_group: More than one user with name [%s] ?!\n", pdb_get_username(sampass)));
5355 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5356 }
5357
5358 entry = ldap_first_entry(priv2ld(ldap_state), result);
5359 if (!entry) {
5360 return NT_STATUS_UNSUCCESSFUL;
5361 }
5362
5363 /* retrieve the dn for later use */
5364 dn = smbldap_talloc_dn(mem_ctx, priv2ld(ldap_state), entry);
5365 if (!dn) {
5366 DEBUG(0,("ldapsam_set_primary_group: Out of memory!\n"));
5367 return NT_STATUS_NO_MEMORY;
5368 }
5369
5370 /* remove the old one, and add the new one, this way we do not risk races */
5371 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "gidNumber", gidstr);
5372
5373 if (mods == NULL) {
5374 return NT_STATUS_OK;
5375 }
5376
5377 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5378
5379 if (rc != LDAP_SUCCESS) {
5380 DEBUG(0,("ldapsam_set_primary_group: failed to modify [%s] primary group to [%s]\n",
5381 pdb_get_username(sampass), gidstr));
5382 return NT_STATUS_UNSUCCESSFUL;
5383 }
5384
5385 flush_pwnam_cache();
5386
5387 return NT_STATUS_OK;
5388 }
5389
5390 /**********************************************************************
5391 Housekeeping
5392 *********************************************************************/
5393
5394 static void free_private_data(void **vp)
5395 {
5396 struct ldapsam_privates **ldap_state = (struct ldapsam_privates **)vp;
5397
5398 smbldap_free_struct(&(*ldap_state)->smbldap_state);
5399
5400 if ((*ldap_state)->result != NULL) {
5401 ldap_msgfree((*ldap_state)->result);
5402 (*ldap_state)->result = NULL;
5403 }
5404 if ((*ldap_state)->domain_dn != NULL) {
5405 SAFE_FREE((*ldap_state)->domain_dn);
5406 }
5407
5408 *ldap_state = NULL;
5409
5410 /* No need to free any further, as it is talloc()ed */
5411 }
5412
5413 /*********************************************************************
5414 Intitalise the parts of the pdb_methods structure that are common to
5415 all pdb_ldap modes
5416 *********************************************************************/
5417
5418 static NTSTATUS pdb_init_ldapsam_common(struct pdb_methods **pdb_method, const char *location)
5419 {
5420 NTSTATUS nt_status;
5421 struct ldapsam_privates *ldap_state;
5422
5423 if (!NT_STATUS_IS_OK(nt_status = make_pdb_method( pdb_method ))) {
5424 return nt_status;
5425 }
5426
5427 (*pdb_method)->name = "ldapsam";
5428
5429 (*pdb_method)->setsampwent = ldapsam_setsampwent;
5430 (*pdb_method)->endsampwent = ldapsam_endsampwent;
5431 (*pdb_method)->getsampwent = ldapsam_getsampwent;
5432 (*pdb_method)->getsampwnam = ldapsam_getsampwnam;
5433 (*pdb_method)->getsampwsid = ldapsam_getsampwsid;
5434 (*pdb_method)->add_sam_account = ldapsam_add_sam_account;
5435 (*pdb_method)->update_sam_account = ldapsam_update_sam_account;
5436 (*pdb_method)->delete_sam_account = ldapsam_delete_sam_account;
5437 (*pdb_method)->rename_sam_account = ldapsam_rename_sam_account;
5438
5439 (*pdb_method)->getgrsid = ldapsam_getgrsid;
5440 (*pdb_method)->getgrgid = ldapsam_getgrgid;
5441 (*pdb_method)->getgrnam = ldapsam_getgrnam;
5442 (*pdb_method)->add_group_mapping_entry = ldapsam_add_group_mapping_entry;
5443 (*pdb_method)->update_group_mapping_entry = ldapsam_update_group_mapping_entry;
5444 (*pdb_method)->delete_group_mapping_entry = ldapsam_delete_group_mapping_entry;
5445 (*pdb_method)->enum_group_mapping = ldapsam_enum_group_mapping;
5446
5447 (*pdb_method)->get_account_policy = ldapsam_get_account_policy;
5448 (*pdb_method)->set_account_policy = ldapsam_set_account_policy;
5449
5450 (*pdb_method)->get_seq_num = ldapsam_get_seq_num;
5451
5452 (*pdb_method)->rid_algorithm = ldapsam_rid_algorithm;
5453 (*pdb_method)->new_rid = ldapsam_new_rid;
5454
5455 /* TODO: Setup private data and free */
5456
5457 if ( !(ldap_state = TALLOC_ZERO_P(*pdb_method, struct ldapsam_privates)) ) {
5458 DEBUG(0, ("pdb_init_ldapsam_common: talloc() failed for ldapsam private_data!\n"));
5459 return NT_STATUS_NO_MEMORY;
5460 }
5461
5462 nt_status = smbldap_init(*pdb_method, location, &ldap_state->smbldap_state);
5463
5464 if ( !NT_STATUS_IS_OK(nt_status) ) {
5465 return nt_status;
5466 }
5467
5468 if ( !(ldap_state->domain_name = talloc_strdup(*pdb_method, get_global_sam_name()) ) ) {
5469 return NT_STATUS_NO_MEMORY;
5470 }
5471
5472 (*pdb_method)->private_data = ldap_state;
5473
5474 (*pdb_method)->free_private_data = free_private_data;
5475
5476 return NT_STATUS_OK;
5477 }
5478
5479 /**********************************************************************
5480 Initialise the 'compat' mode for pdb_ldap
5481 *********************************************************************/
5482
5483 NTSTATUS pdb_init_ldapsam_compat(struct pdb_methods **pdb_method, const char *location)
5484 {
5485 NTSTATUS nt_status;
5486 struct ldapsam_privates *ldap_state;
5487 char *uri = talloc_strdup( NULL, location );
5488
5489 trim_char( uri, '\"', '\"' );
5490 nt_status = pdb_init_ldapsam_common( pdb_method, uri );
5491 if ( uri )
5492 TALLOC_FREE( uri );
5493
5494 if ( !NT_STATUS_IS_OK(nt_status) ) {
5495 return nt_status;
5496 }
5497
5498 (*pdb_method)->name = "ldapsam_compat";
5499
5500 ldap_state = (struct ldapsam_privates *)((*pdb_method)->private_data);
5501 ldap_state->schema_ver = SCHEMAVER_SAMBAACCOUNT;
5502
5503 sid_copy(&ldap_state->domain_sid, get_global_sam_sid());
5504
5505 return NT_STATUS_OK;
5506 }
5507
5508 /**********************************************************************
5509 Initialise the normal mode for pdb_ldap
5510 *********************************************************************/
5511
5512 NTSTATUS pdb_init_ldapsam(struct pdb_methods **pdb_method, const char *location)
5513 {
5514 NTSTATUS nt_status;
5515 struct ldapsam_privates *ldap_state;
5516 uint32 alg_rid_base;
5517 pstring alg_rid_base_string;
5518 LDAPMessage *result = NULL;
5519 LDAPMessage *entry = NULL;
5520 DOM_SID ldap_domain_sid;
5521 DOM_SID secrets_domain_sid;
5522 pstring domain_sid_string;
5523 char *dn;
5524 char *uri = talloc_strdup( NULL, location );
5525
5526 trim_char( uri, '\"', '\"' );
5527 nt_status = pdb_init_ldapsam_common(pdb_method, uri);
5528 if ( uri )
5529 TALLOC_FREE( uri );
5530
5531 if (!NT_STATUS_IS_OK(nt_status)) {
5532 return nt_status;
5533 }
5534
5535 (*pdb_method)->name = "ldapsam";
5536
5537 (*pdb_method)->add_aliasmem = ldapsam_add_aliasmem;
5538 (*pdb_method)->del_aliasmem = ldapsam_del_aliasmem;
5539 (*pdb_method)->enum_aliasmem = ldapsam_enum_aliasmem;
5540 (*pdb_method)->enum_alias_memberships = ldapsam_alias_memberships;
5541 (*pdb_method)->search_users = ldapsam_search_users;
5542 (*pdb_method)->search_groups = ldapsam_search_groups;
5543 (*pdb_method)->search_aliases = ldapsam_search_aliases;
5544
5545 if (lp_parm_bool(-1, "ldapsam", "trusted", False)) {
5546 (*pdb_method)->enum_group_members = ldapsam_enum_group_members;
5547 (*pdb_method)->enum_group_memberships =
5548 ldapsam_enum_group_memberships;
5549 (*pdb_method)->lookup_rids = ldapsam_lookup_rids;
5550 (*pdb_method)->sid_to_id = ldapsam_sid_to_id;
5551
5552 if (lp_parm_bool(-1, "ldapsam", "editposix", False)) {
5553 (*pdb_method)->create_user = ldapsam_create_user;
5554 (*pdb_method)->delete_user = ldapsam_delete_user;
5555 (*pdb_method)->create_dom_group = ldapsam_create_dom_group;
5556 (*pdb_method)->delete_dom_group = ldapsam_delete_dom_group;
5557 (*pdb_method)->add_groupmem = ldapsam_add_groupmem;
5558 (*pdb_method)->del_groupmem = ldapsam_del_groupmem;
5559 (*pdb_method)->set_unix_primary_group = ldapsam_set_primary_group;
5560 }
5561 }
5562
5563 ldap_state = (struct ldapsam_privates *)((*pdb_method)->private_data);
5564 ldap_state->schema_ver = SCHEMAVER_SAMBASAMACCOUNT;
5565
5566 /* Try to setup the Domain Name, Domain SID, algorithmic rid base */
5567
5568 nt_status = smbldap_search_domain_info(ldap_state->smbldap_state,
5569 &result,
5570 ldap_state->domain_name, True);
5571
5572 if ( !NT_STATUS_IS_OK(nt_status) ) {
5573 DEBUG(2, ("pdb_init_ldapsam: WARNING: Could not get domain "
5574 "info, nor add one to the domain\n"));
5575 DEBUGADD(2, ("pdb_init_ldapsam: Continuing on regardless, "
5576 "will be unable to allocate new users/groups, "
5577 "and will risk BDCs having inconsistant SIDs\n"));
5578 sid_copy(&ldap_state->domain_sid, get_global_sam_sid());
5579 return NT_STATUS_OK;
5580 }
5581
5582 /* Given that the above might fail, everything below this must be
5583 * optional */
5584
5585 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
5586 result);
5587 if (!entry) {
5588 DEBUG(0, ("pdb_init_ldapsam: Could not get domain info "
5589 "entry\n"));
5590 ldap_msgfree(result);
5591 return NT_STATUS_UNSUCCESSFUL;
5592 }
5593
5594 dn = smbldap_get_dn(ldap_state->smbldap_state->ldap_struct, entry);
5595 if (!dn) {
5596 return NT_STATUS_UNSUCCESSFUL;
5597 }
5598
5599 ldap_state->domain_dn = smb_xstrdup(dn);
5600 ldap_memfree(dn);
5601
5602 if (smbldap_get_single_pstring(
5603 ldap_state->smbldap_state->ldap_struct,
5604 entry,
5605 get_userattr_key2string(ldap_state->schema_ver,
5606 LDAP_ATTR_USER_SID),
5607 domain_sid_string)) {
5608 BOOL found_sid;
5609 if (!string_to_sid(&ldap_domain_sid, domain_sid_string)) {
5610 DEBUG(1, ("pdb_init_ldapsam: SID [%s] could not be "
5611 "read as a valid SID\n", domain_sid_string));
5612 return NT_STATUS_INVALID_PARAMETER;
5613 }
5614 found_sid = secrets_fetch_domain_sid(ldap_state->domain_name,
5615 &secrets_domain_sid);
5616 if (!found_sid || !sid_equal(&secrets_domain_sid,
5617 &ldap_domain_sid)) {
5618 fstring new_sid_str, old_sid_str;
5619 DEBUG(1, ("pdb_init_ldapsam: Resetting SID for domain "
5620 "%s based on pdb_ldap results %s -> %s\n",
5621 ldap_state->domain_name,
5622 sid_to_string(old_sid_str,
5623 &secrets_domain_sid),
5624 sid_to_string(new_sid_str,
5625 &ldap_domain_sid)));
5626
5627 /* reset secrets.tdb sid */
5628 secrets_store_domain_sid(ldap_state->domain_name,
5629 &ldap_domain_sid);
5630 DEBUG(1, ("New global sam SID: %s\n",
5631 sid_to_string(new_sid_str,
5632 get_global_sam_sid())));
5633 }
5634 sid_copy(&ldap_state->domain_sid, &ldap_domain_sid);
5635 }
5636
5637 if (smbldap_get_single_pstring(
5638 ldap_state->smbldap_state->ldap_struct,
5639 entry,
5640 get_attr_key2string( dominfo_attr_list,
5641 LDAP_ATTR_ALGORITHMIC_RID_BASE ),
5642 alg_rid_base_string)) {
5643 alg_rid_base = (uint32)atol(alg_rid_base_string);
5644 if (alg_rid_base != algorithmic_rid_base()) {
5645 DEBUG(0, ("The value of 'algorithmic RID base' has "
5646 "changed since the LDAP\n"
5647 "database was initialised. Aborting. \n"));
5648 ldap_msgfree(result);
5649 return NT_STATUS_UNSUCCESSFUL;
5650 }
5651 }
5652 ldap_msgfree(result);
5653
5654 return NT_STATUS_OK;
5655 }
5656
5657 NTSTATUS pdb_ldap_init(void)
5658 {
5659 NTSTATUS nt_status;
5660 if (!NT_STATUS_IS_OK(nt_status = smb_register_passdb(PASSDB_INTERFACE_VERSION, "ldapsam", pdb_init_ldapsam)))
5661 return nt_status;
5662
5663 if (!NT_STATUS_IS_OK(nt_status = smb_register_passdb(PASSDB_INTERFACE_VERSION, "ldapsam_compat", pdb_init_ldapsam_compat)))
5664 return nt_status;
5665
5666 /* Let pdb_nds register backends */
5667 pdb_nds_init();
5668
5669 return NT_STATUS_OK;
5670 }