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r17995: Ensure we create the domain-specific krb5 files in a
[Samba/nascimento.git] / source3 / passdb / pdb_ldap.c
blobafc95fe90f1cb3e65e84d1cfa6e841caae105591
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(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)
1874 return NT_STATUS_UNSUCCESSFUL;
1875
1876 return NT_STATUS_OK;
1877 }
1878
1879 /**********************************************************************
1880 Helper function to determine for update_sam_account whether
1881 we need LDAP modification.
1882 *********************************************************************/
1883
1884 static BOOL element_is_set_or_changed(const struct samu *sampass,
1885 enum pdb_elements element)
1886 {
1887 return (IS_SAM_SET(sampass, element) ||
1888 IS_SAM_CHANGED(sampass, element));
1889 }
1890
1891 /**********************************************************************
1892 Add struct samu to LDAP.
1893 *********************************************************************/
1894
1895 static NTSTATUS ldapsam_add_sam_account(struct pdb_methods *my_methods, struct samu * newpwd)
1896 {
1897 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1898 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1899 int rc;
1900 LDAPMessage *result = NULL;
1901 LDAPMessage *entry = NULL;
1902 pstring dn;
1903 LDAPMod **mods = NULL;
1904 int ldap_op = LDAP_MOD_REPLACE;
1905 uint32 num_result;
1906 const char **attr_list;
1907 char *escape_user;
1908 const char *username = pdb_get_username(newpwd);
1909 const DOM_SID *sid = pdb_get_user_sid(newpwd);
1910 pstring filter;
1911 fstring sid_string;
1912
1913 if (!username || !*username) {
1914 DEBUG(0, ("ldapsam_add_sam_account: Cannot add user without a username!\n"));
1915 return NT_STATUS_INVALID_PARAMETER;
1916 }
1917
1918 /* free this list after the second search or in case we exit on failure */
1919 attr_list = get_userattr_list(NULL, ldap_state->schema_ver);
1920
1921 rc = ldapsam_search_suffix_by_name (ldap_state, username, &result, attr_list);
1922
1923 if (rc != LDAP_SUCCESS) {
1924 TALLOC_FREE( attr_list );
1925 return NT_STATUS_UNSUCCESSFUL;
1926 }
1927
1928 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) != 0) {
1929 DEBUG(0,("ldapsam_add_sam_account: User '%s' already in the base, with samba attributes\n",
1930 username));
1931 ldap_msgfree(result);
1932 TALLOC_FREE( attr_list );
1933 return NT_STATUS_UNSUCCESSFUL;
1934 }
1935 ldap_msgfree(result);
1936 result = NULL;
1937
1938 if (element_is_set_or_changed(newpwd, PDB_USERSID)) {
1939 rc = ldapsam_get_ldap_user_by_sid(ldap_state,
1940 sid, &result);
1941 if (rc == LDAP_SUCCESS) {
1942 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) != 0) {
1943 DEBUG(0,("ldapsam_add_sam_account: SID '%s' already in the base, with samba attributes\n",
1944 sid_to_string(sid_string, sid)));
1945 TALLOC_FREE( attr_list );
1946 ldap_msgfree(result);
1947 return NT_STATUS_UNSUCCESSFUL;
1948 }
1949 ldap_msgfree(result);
1950 }
1951 }
1952
1953 /* does the entry already exist but without a samba attributes?
1954 we need to return the samba attributes here */
1955
1956 escape_user = escape_ldap_string_alloc( username );
1957 pstrcpy( filter, "(uid=%u)" );
1958 all_string_sub( filter, "%u", escape_user, sizeof(filter) );
1959 SAFE_FREE( escape_user );
1960
1961 rc = smbldap_search_suffix(ldap_state->smbldap_state,
1962 filter, attr_list, &result);
1963 if ( rc != LDAP_SUCCESS ) {
1964 TALLOC_FREE( attr_list );
1965 return NT_STATUS_UNSUCCESSFUL;
1966 }
1967
1968 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
1969
1970 if (num_result > 1) {
1971 DEBUG (0, ("ldapsam_add_sam_account: More than one user with that uid exists: bailing out!\n"));
1972 TALLOC_FREE( attr_list );
1973 ldap_msgfree(result);
1974 return NT_STATUS_UNSUCCESSFUL;
1975 }
1976
1977 /* Check if we need to update an existing entry */
1978 if (num_result == 1) {
1979 char *tmp;
1980
1981 DEBUG(3,("ldapsam_add_sam_account: User exists without samba attributes: adding them\n"));
1982 ldap_op = LDAP_MOD_REPLACE;
1983 entry = ldap_first_entry (ldap_state->smbldap_state->ldap_struct, result);
1984 tmp = smbldap_get_dn (ldap_state->smbldap_state->ldap_struct, entry);
1985 if (!tmp) {
1986 TALLOC_FREE( attr_list );
1987 ldap_msgfree(result);
1988 return NT_STATUS_UNSUCCESSFUL;
1989 }
1990 slprintf (dn, sizeof (dn) - 1, "%s", tmp);
1991 SAFE_FREE(tmp);
1992
1993 } else if (ldap_state->schema_ver == SCHEMAVER_SAMBASAMACCOUNT) {
1994
1995 /* There might be a SID for this account already - say an idmap entry */
1996
1997 pstr_sprintf(filter, "(&(%s=%s)(|(objectClass=%s)(objectClass=%s)))",
1998 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_SID),
1999 sid_to_string(sid_string, sid),
2000 LDAP_OBJ_IDMAP_ENTRY,
2001 LDAP_OBJ_SID_ENTRY);
2002
2003 /* free old result before doing a new search */
2004 if (result != NULL) {
2005 ldap_msgfree(result);
2006 result = NULL;
2007 }
2008 rc = smbldap_search_suffix(ldap_state->smbldap_state,
2009 filter, attr_list, &result);
2010
2011 if ( rc != LDAP_SUCCESS ) {
2012 TALLOC_FREE( attr_list );
2013 return NT_STATUS_UNSUCCESSFUL;
2014 }
2015
2016 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
2017
2018 if (num_result > 1) {
2019 DEBUG (0, ("ldapsam_add_sam_account: More than one user with specified Sid exists: bailing out!\n"));
2020 TALLOC_FREE( attr_list );
2021 ldap_msgfree(result);
2022 return NT_STATUS_UNSUCCESSFUL;
2023 }
2024
2025 /* Check if we need to update an existing entry */
2026 if (num_result == 1) {
2027 char *tmp;
2028
2029 DEBUG(3,("ldapsam_add_sam_account: User exists without samba attributes: adding them\n"));
2030 ldap_op = LDAP_MOD_REPLACE;
2031 entry = ldap_first_entry (ldap_state->smbldap_state->ldap_struct, result);
2032 tmp = smbldap_get_dn (ldap_state->smbldap_state->ldap_struct, entry);
2033 if (!tmp) {
2034 TALLOC_FREE( attr_list );
2035 ldap_msgfree(result);
2036 return NT_STATUS_UNSUCCESSFUL;
2037 }
2038 slprintf (dn, sizeof (dn) - 1, "%s", tmp);
2039 SAFE_FREE(tmp);
2040 }
2041 }
2042
2043 TALLOC_FREE( attr_list );
2044
2045 if (num_result == 0) {
2046 /* Check if we need to add an entry */
2047 DEBUG(3,("ldapsam_add_sam_account: Adding new user\n"));
2048 ldap_op = LDAP_MOD_ADD;
2049 if (username[strlen(username)-1] == '$') {
2050 slprintf (dn, sizeof (dn) - 1, "uid=%s,%s", username, lp_ldap_machine_suffix ());
2051 } else {
2052 slprintf (dn, sizeof (dn) - 1, "uid=%s,%s", username, lp_ldap_user_suffix ());
2053 }
2054 }
2055
2056 if (!init_ldap_from_sam(ldap_state, entry, &mods, newpwd,
2057 element_is_set_or_changed)) {
2058 DEBUG(0, ("ldapsam_add_sam_account: init_ldap_from_sam failed!\n"));
2059 ldap_msgfree(result);
2060 if (mods != NULL)
2061 ldap_mods_free(mods,True);
2062 return NT_STATUS_UNSUCCESSFUL;
2063 }
2064
2065 ldap_msgfree(result);
2066
2067 if (mods == NULL) {
2068 DEBUG(0,("ldapsam_add_sam_account: mods is empty: nothing to add for user: %s\n",pdb_get_username(newpwd)));
2069 return NT_STATUS_UNSUCCESSFUL;
2070 }
2071 switch ( ldap_state->schema_ver ) {
2072 case SCHEMAVER_SAMBAACCOUNT:
2073 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_SAMBAACCOUNT);
2074 break;
2075 case SCHEMAVER_SAMBASAMACCOUNT:
2076 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_SAMBASAMACCOUNT);
2077 break;
2078 default:
2079 DEBUG(0,("ldapsam_add_sam_account: invalid schema version specified\n"));
2080 break;
2081 }
2082
2083 ret = ldapsam_modify_entry(my_methods,newpwd,dn,mods,ldap_op, element_is_set_or_changed);
2084 if (!NT_STATUS_IS_OK(ret)) {
2085 DEBUG(0,("ldapsam_add_sam_account: failed to modify/add user with uid = %s (dn = %s)\n",
2086 pdb_get_username(newpwd),dn));
2087 ldap_mods_free(mods, True);
2088 return ret;
2089 }
2090
2091 DEBUG(2,("ldapsam_add_sam_account: added: uid == %s in the LDAP database\n", pdb_get_username(newpwd)));
2092 ldap_mods_free(mods, True);
2093
2094 return NT_STATUS_OK;
2095 }
2096
2097 /**********************************************************************
2098 *********************************************************************/
2099
2100 static int ldapsam_search_one_group (struct ldapsam_privates *ldap_state,
2101 const char *filter,
2102 LDAPMessage ** result)
2103 {
2104 int scope = LDAP_SCOPE_SUBTREE;
2105 int rc;
2106 const char **attr_list;
2107
2108 attr_list = get_attr_list(NULL, groupmap_attr_list);
2109 rc = smbldap_search(ldap_state->smbldap_state,
2110 lp_ldap_group_suffix (), scope,
2111 filter, attr_list, 0, result);
2112 TALLOC_FREE(attr_list);
2113
2114 return rc;
2115 }
2116
2117 /**********************************************************************
2118 *********************************************************************/
2119
2120 static BOOL init_group_from_ldap(struct ldapsam_privates *ldap_state,
2121 GROUP_MAP *map, LDAPMessage *entry)
2122 {
2123 pstring temp;
2124
2125 if (ldap_state == NULL || map == NULL || entry == NULL ||
2126 ldap_state->smbldap_state->ldap_struct == NULL) {
2127 DEBUG(0, ("init_group_from_ldap: NULL parameters found!\n"));
2128 return False;
2129 }
2130
2131 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
2132 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GIDNUMBER), temp)) {
2133 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2134 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GIDNUMBER)));
2135 return False;
2136 }
2137 DEBUG(2, ("init_group_from_ldap: Entry found for group: %s\n", temp));
2138
2139 map->gid = (gid_t)atol(temp);
2140
2141 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
2142 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_SID), temp)) {
2143 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2144 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_SID)));
2145 return False;
2146 }
2147
2148 if (!string_to_sid(&map->sid, temp)) {
2149 DEBUG(1, ("SID string [%s] could not be read as a valid SID\n", temp));
2150 return False;
2151 }
2152
2153 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
2154 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_TYPE), temp)) {
2155 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2156 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_TYPE)));
2157 return False;
2158 }
2159 map->sid_name_use = (enum SID_NAME_USE)atol(temp);
2160
2161 if ((map->sid_name_use < SID_NAME_USER) ||
2162 (map->sid_name_use > SID_NAME_UNKNOWN)) {
2163 DEBUG(0, ("init_group_from_ldap: Unknown Group type: %d\n", map->sid_name_use));
2164 return False;
2165 }
2166
2167 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
2168 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_DISPLAY_NAME), temp)) {
2169 temp[0] = '\0';
2170 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
2171 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_CN), temp))
2172 {
2173 DEBUG(0, ("init_group_from_ldap: Attributes cn not found either \
2174 for gidNumber(%lu)\n",(unsigned long)map->gid));
2175 return False;
2176 }
2177 }
2178 fstrcpy(map->nt_name, temp);
2179
2180 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
2181 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_DESC), temp)) {
2182 temp[0] = '\0';
2183 }
2184 fstrcpy(map->comment, temp);
2185
2186 if (lp_parm_bool(-1, "ldapsam", "trusted", False)) {
2187 store_gid_sid_cache(&map->sid, map->gid);
2188 }
2189
2190 return True;
2191 }
2192
2193 /**********************************************************************
2194 *********************************************************************/
2195
2196 static NTSTATUS ldapsam_getgroup(struct pdb_methods *methods,
2197 const char *filter,
2198 GROUP_MAP *map)
2199 {
2200 struct ldapsam_privates *ldap_state =
2201 (struct ldapsam_privates *)methods->private_data;
2202 LDAPMessage *result = NULL;
2203 LDAPMessage *entry = NULL;
2204 int count;
2205
2206 if (ldapsam_search_one_group(ldap_state, filter, &result)
2207 != LDAP_SUCCESS) {
2208 return NT_STATUS_NO_SUCH_GROUP;
2209 }
2210
2211 count = ldap_count_entries(priv2ld(ldap_state), result);
2212
2213 if (count < 1) {
2214 DEBUG(4, ("ldapsam_getgroup: Did not find group\n"));
2215 ldap_msgfree(result);
2216 return NT_STATUS_NO_SUCH_GROUP;
2217 }
2218
2219 if (count > 1) {
2220 DEBUG(1, ("ldapsam_getgroup: Duplicate entries for filter %s: "
2221 "count=%d\n", filter, count));
2222 ldap_msgfree(result);
2223 return NT_STATUS_NO_SUCH_GROUP;
2224 }
2225
2226 entry = ldap_first_entry(priv2ld(ldap_state), result);
2227
2228 if (!entry) {
2229 ldap_msgfree(result);
2230 return NT_STATUS_UNSUCCESSFUL;
2231 }
2232
2233 if (!init_group_from_ldap(ldap_state, map, entry)) {
2234 DEBUG(1, ("ldapsam_getgroup: init_group_from_ldap failed for "
2235 "group filter %s\n", filter));
2236 ldap_msgfree(result);
2237 return NT_STATUS_NO_SUCH_GROUP;
2238 }
2239
2240 ldap_msgfree(result);
2241 return NT_STATUS_OK;
2242 }
2243
2244 /**********************************************************************
2245 *********************************************************************/
2246
2247 static NTSTATUS ldapsam_getgrsid(struct pdb_methods *methods, GROUP_MAP *map,
2248 DOM_SID sid)
2249 {
2250 pstring filter;
2251
2252 pstr_sprintf(filter, "(&(objectClass=%s)(%s=%s))",
2253 LDAP_OBJ_GROUPMAP,
2254 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GROUP_SID),
2255 sid_string_static(&sid));
2256
2257 return ldapsam_getgroup(methods, filter, map);
2258 }
2259
2260 /**********************************************************************
2261 *********************************************************************/
2262
2263 static NTSTATUS ldapsam_getgrgid(struct pdb_methods *methods, GROUP_MAP *map,
2264 gid_t gid)
2265 {
2266 pstring filter;
2267
2268 pstr_sprintf(filter, "(&(objectClass=%s)(%s=%lu))",
2269 LDAP_OBJ_GROUPMAP,
2270 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GIDNUMBER),
2271 (unsigned long)gid);
2272
2273 return ldapsam_getgroup(methods, filter, map);
2274 }
2275
2276 /**********************************************************************
2277 *********************************************************************/
2278
2279 static NTSTATUS ldapsam_getgrnam(struct pdb_methods *methods, GROUP_MAP *map,
2280 const char *name)
2281 {
2282 pstring filter;
2283 char *escape_name = escape_ldap_string_alloc(name);
2284
2285 if (!escape_name) {
2286 return NT_STATUS_NO_MEMORY;
2287 }
2288
2289 pstr_sprintf(filter, "(&(objectClass=%s)(|(%s=%s)(%s=%s)))",
2290 LDAP_OBJ_GROUPMAP,
2291 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_DISPLAY_NAME), escape_name,
2292 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_CN), escape_name);
2293
2294 SAFE_FREE(escape_name);
2295
2296 return ldapsam_getgroup(methods, filter, map);
2297 }
2298
2299 static BOOL ldapsam_extract_rid_from_entry(LDAP *ldap_struct,
2300 LDAPMessage *entry,
2301 const DOM_SID *domain_sid,
2302 uint32 *rid)
2303 {
2304 fstring str;
2305 DOM_SID sid;
2306
2307 if (!smbldap_get_single_attribute(ldap_struct, entry, "sambaSID",
2308 str, sizeof(str)-1)) {
2309 DEBUG(10, ("Could not find sambaSID attribute\n"));
2310 return False;
2311 }
2312
2313 if (!string_to_sid(&sid, str)) {
2314 DEBUG(10, ("Could not convert string %s to sid\n", str));
2315 return False;
2316 }
2317
2318 if (sid_compare_domain(&sid, domain_sid) != 0) {
2319 DEBUG(10, ("SID %s is not in expected domain %s\n",
2320 str, sid_string_static(domain_sid)));
2321 return False;
2322 }
2323
2324 if (!sid_peek_rid(&sid, rid)) {
2325 DEBUG(10, ("Could not peek into RID\n"));
2326 return False;
2327 }
2328
2329 return True;
2330 }
2331
2332 static NTSTATUS ldapsam_enum_group_members(struct pdb_methods *methods,
2333 TALLOC_CTX *mem_ctx,
2334 const DOM_SID *group,
2335 uint32 **pp_member_rids,
2336 size_t *p_num_members)
2337 {
2338 struct ldapsam_privates *ldap_state =
2339 (struct ldapsam_privates *)methods->private_data;
2340 struct smbldap_state *conn = ldap_state->smbldap_state;
2341 const char *id_attrs[] = { "memberUid", "gidNumber", NULL };
2342 const char *sid_attrs[] = { "sambaSID", NULL };
2343 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2344 LDAPMessage *result = NULL;
2345 LDAPMessage *entry;
2346 char *filter;
2347 char **values = NULL;
2348 char **memberuid;
2349 char *gidstr;
2350 int rc, count;
2351
2352 *pp_member_rids = NULL;
2353 *p_num_members = 0;
2354
2355 filter = talloc_asprintf(mem_ctx,
2356 "(&(objectClass=%s)"
2357 "(objectClass=%s)"
2358 "(sambaSID=%s))",
2359 LDAP_OBJ_POSIXGROUP,
2360 LDAP_OBJ_GROUPMAP,
2361 sid_string_static(group));
2362 if (filter == NULL) {
2363 ret = NT_STATUS_NO_MEMORY;
2364 goto done;
2365 }
2366
2367 rc = smbldap_search(conn, lp_ldap_group_suffix(),
2368 LDAP_SCOPE_SUBTREE, filter, id_attrs, 0,
2369 &result);
2370
2371 if (rc != LDAP_SUCCESS)
2372 goto done;
2373
2374 talloc_autofree_ldapmsg(mem_ctx, result);
2375
2376 count = ldap_count_entries(conn->ldap_struct, result);
2377
2378 if (count > 1) {
2379 DEBUG(1, ("Found more than one groupmap entry for %s\n",
2380 sid_string_static(group)));
2381 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2382 goto done;
2383 }
2384
2385 if (count == 0) {
2386 ret = NT_STATUS_NO_SUCH_GROUP;
2387 goto done;
2388 }
2389
2390 entry = ldap_first_entry(conn->ldap_struct, result);
2391 if (entry == NULL)
2392 goto done;
2393
2394 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", mem_ctx);
2395 if (!gidstr) {
2396 DEBUG (0, ("ldapsam_enum_group_members: Unable to find the group's gid!\n"));
2397 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2398 goto done;
2399 }
2400
2401 values = ldap_get_values(conn->ldap_struct, entry, "memberUid");
2402
2403 if (values) {
2404
2405 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)(|", LDAP_OBJ_SAMBAACCOUNT);
2406 if (filter == NULL) {
2407 ret = NT_STATUS_NO_MEMORY;
2408 goto done;
2409 }
2410
2411 for (memberuid = values; *memberuid != NULL; memberuid += 1) {
2412 filter = talloc_asprintf_append(filter, "(uid=%s)", *memberuid);
2413 if (filter == NULL) {
2414 ret = NT_STATUS_NO_MEMORY;
2415 goto done;
2416 }
2417 }
2418
2419 filter = talloc_asprintf_append(filter, "))");
2420 if (filter == NULL) {
2421 ret = NT_STATUS_NO_MEMORY;
2422 goto done;
2423 }
2424
2425 rc = smbldap_search(conn, lp_ldap_user_suffix(),
2426 LDAP_SCOPE_SUBTREE, filter, sid_attrs, 0,
2427 &result);
2428
2429 if (rc != LDAP_SUCCESS)
2430 goto done;
2431
2432 count = ldap_count_entries(conn->ldap_struct, result);
2433 DEBUG(10,("ldapsam_enum_group_members: found %d accounts\n", count));
2434
2435 talloc_autofree_ldapmsg(mem_ctx, result);
2436
2437 for (entry = ldap_first_entry(conn->ldap_struct, result);
2438 entry != NULL;
2439 entry = ldap_next_entry(conn->ldap_struct, entry))
2440 {
2441 char *sidstr;
2442 DOM_SID sid;
2443 uint32 rid;
2444
2445 sidstr = smbldap_talloc_single_attribute(conn->ldap_struct,
2446 entry, "sambaSID",
2447 mem_ctx);
2448 if (!sidstr) {
2449 DEBUG(0, ("Severe DB error, sambaSamAccount can't miss "
2450 "the sambaSID attribute\n"));
2451 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2452 goto done;
2453 }
2454
2455 if (!string_to_sid(&sid, sidstr))
2456 goto done;
2457
2458 if (!sid_check_is_in_our_domain(&sid)) {
2459 DEBUG(0, ("Inconsistent SAM -- group member uid not "
2460 "in our domain\n"));
2461 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2462 goto done;
2463 }
2464
2465 sid_peek_rid(&sid, &rid);
2466
2467 add_rid_to_array_unique(mem_ctx, rid, pp_member_rids,
2468 p_num_members);
2469 }
2470 }
2471
2472 filter = talloc_asprintf(mem_ctx,
2473 "(&(objectClass=%s)"
2474 "(gidNumber=%s))",
2475 LDAP_OBJ_SAMBASAMACCOUNT,
2476 gidstr);
2477
2478 rc = smbldap_search(conn, lp_ldap_user_suffix(),
2479 LDAP_SCOPE_SUBTREE, filter, sid_attrs, 0,
2480 &result);
2481
2482 if (rc != LDAP_SUCCESS)
2483 goto done;
2484
2485 talloc_autofree_ldapmsg(mem_ctx, result);
2486
2487 for (entry = ldap_first_entry(conn->ldap_struct, result);
2488 entry != NULL;
2489 entry = ldap_next_entry(conn->ldap_struct, entry))
2490 {
2491 uint32 rid;
2492
2493 if (!ldapsam_extract_rid_from_entry(conn->ldap_struct,
2494 entry,
2495 get_global_sam_sid(),
2496 &rid)) {
2497 DEBUG(0, ("Severe DB error, sambaSamAccount can't miss "
2498 "the sambaSID attribute\n"));
2499 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2500 goto done;
2501 }
2502
2503 add_rid_to_array_unique(mem_ctx, rid, pp_member_rids,
2504 p_num_members);
2505 }
2506
2507 ret = NT_STATUS_OK;
2508
2509 done:
2510
2511 if (values)
2512 ldap_value_free(values);
2513
2514 return ret;
2515 }
2516
2517 static NTSTATUS ldapsam_enum_group_memberships(struct pdb_methods *methods,
2518 TALLOC_CTX *mem_ctx,
2519 struct samu *user,
2520 DOM_SID **pp_sids,
2521 gid_t **pp_gids,
2522 size_t *p_num_groups)
2523 {
2524 struct ldapsam_privates *ldap_state =
2525 (struct ldapsam_privates *)methods->private_data;
2526 struct smbldap_state *conn = ldap_state->smbldap_state;
2527 char *filter;
2528 const char *attrs[] = { "gidNumber", "sambaSID", NULL };
2529 char *escape_name;
2530 int rc, count;
2531 LDAPMessage *result = NULL;
2532 LDAPMessage *entry;
2533 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2534 size_t num_sids, num_gids;
2535 char *gidstr;
2536 gid_t primary_gid = -1;
2537
2538 *pp_sids = NULL;
2539 num_sids = 0;
2540
2541 if (pdb_get_username(user) == NULL) {
2542 return NT_STATUS_INVALID_PARAMETER;
2543 }
2544
2545 escape_name = escape_ldap_string_alloc(pdb_get_username(user));
2546 if (escape_name == NULL)
2547 return NT_STATUS_NO_MEMORY;
2548
2549 /* retrieve the users primary gid */
2550 filter = talloc_asprintf(mem_ctx,
2551 "(&(objectClass=%s)(uid=%s))",
2552 LDAP_OBJ_SAMBASAMACCOUNT,
2553 escape_name);
2554 if (filter == NULL) {
2555 ret = NT_STATUS_NO_MEMORY;
2556 goto done;
2557 }
2558
2559 rc = smbldap_search(conn, lp_ldap_user_suffix(),
2560 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
2561
2562 if (rc != LDAP_SUCCESS)
2563 goto done;
2564
2565 talloc_autofree_ldapmsg(mem_ctx, result);
2566
2567 count = ldap_count_entries(priv2ld(ldap_state), result);
2568
2569 switch (count) {
2570 case 0:
2571 DEBUG(1, ("User account [%s] not found!\n", pdb_get_username(user)));
2572 ret = NT_STATUS_NO_SUCH_USER;
2573 goto done;
2574 case 1:
2575 entry = ldap_first_entry(priv2ld(ldap_state), result);
2576
2577 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", mem_ctx);
2578 if (!gidstr) {
2579 DEBUG (1, ("Unable to find the member's gid!\n"));
2580 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2581 goto done;
2582 }
2583 primary_gid = strtoul(gidstr, NULL, 10);
2584 break;
2585 default:
2586 DEBUG(1, ("found more than one accoutn with the same user name ?!\n"));
2587 ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2588 goto done;
2589 }
2590
2591 filter = talloc_asprintf(mem_ctx,
2592 "(&(objectClass=%s)(|(memberUid=%s)(gidNumber=%d)))",
2593 LDAP_OBJ_POSIXGROUP, escape_name, primary_gid);
2594 if (filter == NULL) {
2595 ret = NT_STATUS_NO_MEMORY;
2596 goto done;
2597 }
2598
2599 rc = smbldap_search(conn, lp_ldap_group_suffix(),
2600 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
2601
2602 if (rc != LDAP_SUCCESS)
2603 goto done;
2604
2605 talloc_autofree_ldapmsg(mem_ctx, result);
2606
2607 num_gids = 0;
2608 *pp_gids = NULL;
2609
2610 num_sids = 0;
2611 *pp_sids = NULL;
2612
2613 /* We need to add the primary group as the first gid/sid */
2614
2615 add_gid_to_array_unique(mem_ctx, primary_gid, pp_gids, &num_gids);
2616
2617 /* This sid will be replaced later */
2618
2619 add_sid_to_array_unique(mem_ctx, &global_sid_NULL, pp_sids, &num_sids);
2620
2621 for (entry = ldap_first_entry(conn->ldap_struct, result);
2622 entry != NULL;
2623 entry = ldap_next_entry(conn->ldap_struct, entry))
2624 {
2625 fstring str;
2626 DOM_SID sid;
2627 gid_t gid;
2628 char *end;
2629
2630 if (!smbldap_get_single_attribute(conn->ldap_struct,
2631 entry, "sambaSID",
2632 str, sizeof(str)-1))
2633 continue;
2634
2635 if (!string_to_sid(&sid, str))
2636 goto done;
2637
2638 if (!smbldap_get_single_attribute(conn->ldap_struct,
2639 entry, "gidNumber",
2640 str, sizeof(str)-1))
2641 continue;
2642
2643 gid = strtoul(str, &end, 10);
2644
2645 if (PTR_DIFF(end, str) != strlen(str))
2646 goto done;
2647
2648 if (gid == primary_gid) {
2649 sid_copy(&(*pp_sids)[0], &sid);
2650 } else {
2651 add_gid_to_array_unique(mem_ctx, gid, pp_gids,
2652 &num_gids);
2653 add_sid_to_array_unique(mem_ctx, &sid, pp_sids,
2654 &num_sids);
2655 }
2656 }
2657
2658 if (sid_compare(&global_sid_NULL, &(*pp_sids)[0]) == 0) {
2659 DEBUG(3, ("primary group of [%s] not found\n",
2660 pdb_get_username(user)));
2661 goto done;
2662 }
2663
2664 *p_num_groups = num_sids;
2665
2666 ret = NT_STATUS_OK;
2667
2668 done:
2669
2670 SAFE_FREE(escape_name);
2671 return ret;
2672 }
2673
2674 /**********************************************************************
2675 * Augment a posixGroup object with a sambaGroupMapping domgroup
2676 *********************************************************************/
2677
2678 static NTSTATUS ldapsam_map_posixgroup(TALLOC_CTX *mem_ctx,
2679 struct ldapsam_privates *ldap_state,
2680 GROUP_MAP *map)
2681 {
2682 const char *filter, *dn;
2683 LDAPMessage *msg, *entry;
2684 LDAPMod **mods;
2685 int rc;
2686
2687 filter = talloc_asprintf(mem_ctx,
2688 "(&(objectClass=posixGroup)(gidNumber=%u))",
2689 map->gid);
2690 if (filter == NULL) {
2691 return NT_STATUS_NO_MEMORY;
2692 }
2693
2694 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter,
2695 get_attr_list(mem_ctx, groupmap_attr_list),
2696 &msg);
2697 talloc_autofree_ldapmsg(mem_ctx, msg);
2698
2699 if ((rc != LDAP_SUCCESS) ||
2700 (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) != 1) ||
2701 ((entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg)) == NULL)) {
2702 return NT_STATUS_NO_SUCH_GROUP;
2703 }
2704
2705 dn = smbldap_talloc_dn(mem_ctx, ldap_state->smbldap_state->ldap_struct, entry);
2706 if (dn == NULL) {
2707 return NT_STATUS_NO_MEMORY;
2708 }
2709
2710 mods = NULL;
2711 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass",
2712 "sambaGroupMapping");
2713 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "sambaSid",
2714 sid_string_static(&map->sid));
2715 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "sambaGroupType",
2716 talloc_asprintf(mem_ctx, "%d", map->sid_name_use));
2717 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "displayName",
2718 map->nt_name);
2719 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "description",
2720 map->comment);
2721 talloc_autofree_ldapmod(mem_ctx, mods);
2722
2723 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
2724 if (rc != LDAP_SUCCESS) {
2725 return NT_STATUS_ACCESS_DENIED;
2726 }
2727
2728 return NT_STATUS_OK;
2729 }
2730
2731 static NTSTATUS ldapsam_add_group_mapping_entry(struct pdb_methods *methods,
2732 GROUP_MAP *map)
2733 {
2734 struct ldapsam_privates *ldap_state =
2735 (struct ldapsam_privates *)methods->private_data;
2736 LDAPMessage *msg = NULL;
2737 LDAPMod **mods = NULL;
2738 const char *attrs[] = { NULL };
2739 char *filter;
2740
2741 char *dn;
2742 TALLOC_CTX *mem_ctx;
2743 NTSTATUS result;
2744
2745 DOM_SID sid;
2746
2747 int rc;
2748
2749 mem_ctx = talloc_new(NULL);
2750 if (mem_ctx == NULL) {
2751 DEBUG(0, ("talloc_new failed\n"));
2752 return NT_STATUS_NO_MEMORY;
2753 }
2754
2755 filter = talloc_asprintf(mem_ctx, "(sambaSid=%s)",
2756 sid_string_static(&map->sid));
2757 if (filter == NULL) {
2758 result = NT_STATUS_NO_MEMORY;
2759 goto done;
2760 }
2761
2762 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_suffix(),
2763 LDAP_SCOPE_SUBTREE, filter, attrs, True, &msg);
2764 talloc_autofree_ldapmsg(mem_ctx, msg);
2765
2766 if ((rc == LDAP_SUCCESS) &&
2767 (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) > 0)) {
2768
2769 DEBUG(3, ("SID %s already present in LDAP, refusing to add "
2770 "group mapping entry\n",
2771 sid_string_static(&map->sid)));
2772 result = NT_STATUS_GROUP_EXISTS;
2773 goto done;
2774 }
2775
2776 switch (map->sid_name_use) {
2777
2778 case SID_NAME_DOM_GRP:
2779 /* To map a domain group we need to have a posix group
2780 to attach to. */
2781 result = ldapsam_map_posixgroup(mem_ctx, ldap_state, map);
2782 goto done;
2783 break;
2784
2785 case SID_NAME_ALIAS:
2786 if (!sid_check_is_in_our_domain(&map->sid)
2787 && !sid_check_is_in_builtin(&map->sid) )
2788 {
2789 DEBUG(3, ("Refusing to map sid %s as an alias, not in our domain\n",
2790 sid_string_static(&map->sid)));
2791 result = NT_STATUS_INVALID_PARAMETER;
2792 goto done;
2793 }
2794 break;
2795
2796 default:
2797 DEBUG(3, ("Got invalid use '%s' for mapping\n",
2798 sid_type_lookup(map->sid_name_use)));
2799 result = NT_STATUS_INVALID_PARAMETER;
2800 goto done;
2801 }
2802
2803 /* Domain groups have been mapped in a separate routine, we have to
2804 * create an alias now */
2805
2806 if (map->gid == -1) {
2807 DEBUG(10, ("Refusing to map gid==-1\n"));
2808 result = NT_STATUS_INVALID_PARAMETER;
2809 goto done;
2810 }
2811
2812 if (pdb_gid_to_sid(map->gid, &sid)) {
2813 DEBUG(3, ("Gid %d is already mapped to SID %s, refusing to "
2814 "add\n", map->gid, sid_string_static(&sid)));
2815 result = NT_STATUS_GROUP_EXISTS;
2816 goto done;
2817 }
2818
2819 /* Ok, enough checks done. It's still racy to go ahead now, but that's
2820 * the best we can get out of LDAP. */
2821
2822 dn = talloc_asprintf(mem_ctx, "sambaSid=%s,%s",
2823 sid_string_static(&map->sid),
2824 lp_ldap_group_suffix());
2825 if (dn == NULL) {
2826 result = NT_STATUS_NO_MEMORY;
2827 goto done;
2828 }
2829
2830 mods = NULL;
2831
2832 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "objectClass",
2833 "sambaSidEntry");
2834 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "objectClass",
2835 "sambaGroupMapping");
2836
2837 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "sambaSid",
2838 sid_string_static(&map->sid));
2839 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "sambaGroupType",
2840 talloc_asprintf(mem_ctx, "%d", map->sid_name_use));
2841 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "displayName",
2842 map->nt_name);
2843 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "description",
2844 map->comment);
2845 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "gidNumber",
2846 talloc_asprintf(mem_ctx, "%u", map->gid));
2847 talloc_autofree_ldapmod(mem_ctx, mods);
2848
2849 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
2850
2851 result = (rc == LDAP_SUCCESS) ?
2852 NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
2853
2854 done:
2855 TALLOC_FREE(mem_ctx);
2856 return result;
2857 }
2858
2859 /**********************************************************************
2860 * Update a group mapping entry. We're quite strict about what can be changed:
2861 * Only the description and displayname may be changed. It simply does not
2862 * make any sense to change the SID, gid or the type in a mapping.
2863 *********************************************************************/
2864
2865 static NTSTATUS ldapsam_update_group_mapping_entry(struct pdb_methods *methods,
2866 GROUP_MAP *map)
2867 {
2868 struct ldapsam_privates *ldap_state =
2869 (struct ldapsam_privates *)methods->private_data;
2870 int rc;
2871 const char *filter, *dn;
2872 LDAPMessage *msg = NULL;
2873 LDAPMessage *entry = NULL;
2874 LDAPMod **mods = NULL;
2875 TALLOC_CTX *mem_ctx;
2876 NTSTATUS result;
2877
2878 mem_ctx = talloc_new(NULL);
2879 if (mem_ctx == NULL) {
2880 DEBUG(0, ("talloc_new failed\n"));
2881 return NT_STATUS_NO_MEMORY;
2882 }
2883
2884 /* Make 100% sure that sid, gid and type are not changed by looking up
2885 * exactly the values we're given in LDAP. */
2886
2887 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)"
2888 "(sambaSid=%s)(gidNumber=%u)"
2889 "(sambaGroupType=%d))",
2890 LDAP_OBJ_GROUPMAP,
2891 sid_string_static(&map->sid), map->gid,
2892 map->sid_name_use);
2893 if (filter == NULL) {
2894 result = NT_STATUS_NO_MEMORY;
2895 goto done;
2896 }
2897
2898 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter,
2899 get_attr_list(mem_ctx, groupmap_attr_list),
2900 &msg);
2901 talloc_autofree_ldapmsg(mem_ctx, msg);
2902
2903 if ((rc != LDAP_SUCCESS) ||
2904 (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) != 1) ||
2905 ((entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg)) == NULL)) {
2906 result = NT_STATUS_NO_SUCH_GROUP;
2907 goto done;
2908 }
2909
2910 dn = smbldap_talloc_dn(mem_ctx, ldap_state->smbldap_state->ldap_struct, entry);
2911
2912 if (dn == NULL) {
2913 result = NT_STATUS_NO_MEMORY;
2914 goto done;
2915 }
2916
2917 mods = NULL;
2918 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "displayName",
2919 map->nt_name);
2920 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "description",
2921 map->comment);
2922 talloc_autofree_ldapmod(mem_ctx, mods);
2923
2924 if (mods == NULL) {
2925 DEBUG(4, ("ldapsam_update_group_mapping_entry: mods is empty: "
2926 "nothing to do\n"));
2927 result = NT_STATUS_OK;
2928 goto done;
2929 }
2930
2931 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
2932
2933 if (rc != LDAP_SUCCESS) {
2934 result = NT_STATUS_ACCESS_DENIED;
2935 goto done;
2936 }
2937
2938 DEBUG(2, ("ldapsam_update_group_mapping_entry: successfully modified "
2939 "group %lu in LDAP\n", (unsigned long)map->gid));
2940
2941 result = NT_STATUS_OK;
2942
2943 done:
2944 TALLOC_FREE(mem_ctx);
2945 return result;
2946 }
2947
2948 /**********************************************************************
2949 *********************************************************************/
2950
2951 static NTSTATUS ldapsam_delete_group_mapping_entry(struct pdb_methods *methods,
2952 DOM_SID sid)
2953 {
2954 struct ldapsam_privates *priv =
2955 (struct ldapsam_privates *)methods->private_data;
2956 LDAPMessage *msg, *entry;
2957 int rc;
2958 NTSTATUS result;
2959 TALLOC_CTX *mem_ctx;
2960 char *filter;
2961
2962 mem_ctx = talloc_new(NULL);
2963 if (mem_ctx == NULL) {
2964 DEBUG(0, ("talloc_new failed\n"));
2965 return NT_STATUS_NO_MEMORY;
2966 }
2967
2968 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)(%s=%s))",
2969 LDAP_OBJ_GROUPMAP, LDAP_ATTRIBUTE_SID,
2970 sid_string_static(&sid));
2971 if (filter == NULL) {
2972 result = NT_STATUS_NO_MEMORY;
2973 goto done;
2974 }
2975 rc = smbldap_search_suffix(priv->smbldap_state, filter,
2976 get_attr_list(mem_ctx, groupmap_attr_list),
2977 &msg);
2978 talloc_autofree_ldapmsg(mem_ctx, msg);
2979
2980 if ((rc != LDAP_SUCCESS) ||
2981 (ldap_count_entries(priv2ld(priv), msg) != 1) ||
2982 ((entry = ldap_first_entry(priv2ld(priv), msg)) == NULL)) {
2983 result = NT_STATUS_NO_SUCH_GROUP;
2984 goto done;
2985 }
2986
2987 rc = ldapsam_delete_entry(priv, mem_ctx, entry, LDAP_OBJ_GROUPMAP,
2988 get_attr_list(mem_ctx,
2989 groupmap_attr_list_to_delete));
2990
2991 if ((rc == LDAP_NAMING_VIOLATION) ||
2992 (rc == LDAP_OBJECT_CLASS_VIOLATION)) {
2993 const char *attrs[] = { "sambaGroupType", "description",
2994 "displayName", "sambaSIDList",
2995 NULL };
2996
2997 /* Second try. Don't delete the sambaSID attribute, this is
2998 for "old" entries that are tacked on a winbind
2999 sambaIdmapEntry. */
3000
3001 rc = ldapsam_delete_entry(priv, mem_ctx, entry,
3002 LDAP_OBJ_GROUPMAP, attrs);
3003 }
3004
3005 if ((rc == LDAP_NAMING_VIOLATION) ||
3006 (rc == LDAP_OBJECT_CLASS_VIOLATION)) {
3007 const char *attrs[] = { "sambaGroupType", "description",
3008 "displayName", "sambaSIDList",
3009 "gidNumber", NULL };
3010
3011 /* Third try. This is a post-3.0.21 alias (containing only
3012 * sambaSidEntry and sambaGroupMapping classes), we also have
3013 * to delete the gidNumber attribute, only the sambaSidEntry
3014 * remains */
3015
3016 rc = ldapsam_delete_entry(priv, mem_ctx, entry,
3017 LDAP_OBJ_GROUPMAP, attrs);
3018 }
3019
3020 result = (rc == LDAP_SUCCESS) ? NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL;
3021
3022 done:
3023 TALLOC_FREE(mem_ctx);
3024 return result;
3025 }
3026
3027 /**********************************************************************
3028 *********************************************************************/
3029
3030 static NTSTATUS ldapsam_setsamgrent(struct pdb_methods *my_methods,
3031 BOOL update)
3032 {
3033 struct ldapsam_privates *ldap_state =
3034 (struct ldapsam_privates *)my_methods->private_data;
3035 fstring filter;
3036 int rc;
3037 const char **attr_list;
3038
3039 pstr_sprintf( filter, "(objectclass=%s)", LDAP_OBJ_GROUPMAP);
3040 attr_list = get_attr_list( NULL, groupmap_attr_list );
3041 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_group_suffix(),
3042 LDAP_SCOPE_SUBTREE, filter,
3043 attr_list, 0, &ldap_state->result);
3044 TALLOC_FREE(attr_list);
3045
3046 if (rc != LDAP_SUCCESS) {
3047 DEBUG(0, ("ldapsam_setsamgrent: LDAP search failed: %s\n",
3048 ldap_err2string(rc)));
3049 DEBUG(3, ("ldapsam_setsamgrent: Query was: %s, %s\n",
3050 lp_ldap_group_suffix(), filter));
3051 ldap_msgfree(ldap_state->result);
3052 ldap_state->result = NULL;
3053 return NT_STATUS_UNSUCCESSFUL;
3054 }
3055
3056 DEBUG(2, ("ldapsam_setsamgrent: %d entries in the base!\n",
3057 ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3058 ldap_state->result)));
3059
3060 ldap_state->entry =
3061 ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3062 ldap_state->result);
3063 ldap_state->index = 0;
3064
3065 return NT_STATUS_OK;
3066 }
3067
3068 /**********************************************************************
3069 *********************************************************************/
3070
3071 static void ldapsam_endsamgrent(struct pdb_methods *my_methods)
3072 {
3073 ldapsam_endsampwent(my_methods);
3074 }
3075
3076 /**********************************************************************
3077 *********************************************************************/
3078
3079 static NTSTATUS ldapsam_getsamgrent(struct pdb_methods *my_methods,
3080 GROUP_MAP *map)
3081 {
3082 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
3083 struct ldapsam_privates *ldap_state =
3084 (struct ldapsam_privates *)my_methods->private_data;
3085 BOOL bret = False;
3086
3087 while (!bret) {
3088 if (!ldap_state->entry)
3089 return ret;
3090
3091 ldap_state->index++;
3092 bret = init_group_from_ldap(ldap_state, map,
3093 ldap_state->entry);
3094
3095 ldap_state->entry =
3096 ldap_next_entry(ldap_state->smbldap_state->ldap_struct,
3097 ldap_state->entry);
3098 }
3099
3100 return NT_STATUS_OK;
3101 }
3102
3103 /**********************************************************************
3104 *********************************************************************/
3105
3106 static NTSTATUS ldapsam_enum_group_mapping(struct pdb_methods *methods,
3107 const DOM_SID *domsid, enum SID_NAME_USE sid_name_use,
3108 GROUP_MAP **pp_rmap,
3109 size_t *p_num_entries,
3110 BOOL unix_only)
3111 {
3112 GROUP_MAP map;
3113 size_t entries = 0;
3114
3115 *p_num_entries = 0;
3116 *pp_rmap = NULL;
3117
3118 if (!NT_STATUS_IS_OK(ldapsam_setsamgrent(methods, False))) {
3119 DEBUG(0, ("ldapsam_enum_group_mapping: Unable to open "
3120 "passdb\n"));
3121 return NT_STATUS_ACCESS_DENIED;
3122 }
3123
3124 while (NT_STATUS_IS_OK(ldapsam_getsamgrent(methods, &map))) {
3125 if (sid_name_use != SID_NAME_UNKNOWN &&
3126 sid_name_use != map.sid_name_use) {
3127 DEBUG(11,("ldapsam_enum_group_mapping: group %s is "
3128 "not of the requested type\n", map.nt_name));
3129 continue;
3130 }
3131 if (unix_only==ENUM_ONLY_MAPPED && map.gid==-1) {
3132 DEBUG(11,("ldapsam_enum_group_mapping: group %s is "
3133 "non mapped\n", map.nt_name));
3134 continue;
3135 }
3136
3137 (*pp_rmap)=SMB_REALLOC_ARRAY((*pp_rmap), GROUP_MAP, entries+1);
3138 if (!(*pp_rmap)) {
3139 DEBUG(0,("ldapsam_enum_group_mapping: Unable to "
3140 "enlarge group map!\n"));
3141 return NT_STATUS_UNSUCCESSFUL;
3142 }
3143
3144 (*pp_rmap)[entries] = map;
3145
3146 entries += 1;
3147
3148 }
3149 ldapsam_endsamgrent(methods);
3150
3151 *p_num_entries = entries;
3152
3153 return NT_STATUS_OK;
3154 }
3155
3156 static NTSTATUS ldapsam_modify_aliasmem(struct pdb_methods *methods,
3157 const DOM_SID *alias,
3158 const DOM_SID *member,
3159 int modop)
3160 {
3161 struct ldapsam_privates *ldap_state =
3162 (struct ldapsam_privates *)methods->private_data;
3163 char *dn;
3164 LDAPMessage *result = NULL;
3165 LDAPMessage *entry = NULL;
3166 int count;
3167 LDAPMod **mods = NULL;
3168 int rc;
3169 enum SID_NAME_USE type = SID_NAME_USE_NONE;
3170
3171 pstring filter;
3172
3173 if (sid_check_is_in_builtin(alias)) {
3174 type = SID_NAME_ALIAS;
3175 }
3176
3177 if (sid_check_is_in_our_domain(alias)) {
3178 type = SID_NAME_ALIAS;
3179 }
3180
3181 if (type == SID_NAME_USE_NONE) {
3182 DEBUG(5, ("SID %s is neither in builtin nor in our domain!\n",
3183 sid_string_static(alias)));
3184 return NT_STATUS_NO_SUCH_ALIAS;
3185 }
3186
3187 pstr_sprintf(filter,
3188 "(&(objectClass=%s)(sambaSid=%s)(sambaGroupType=%d))",
3189 LDAP_OBJ_GROUPMAP, sid_string_static(alias),
3190 type);
3191
3192 if (ldapsam_search_one_group(ldap_state, filter,
3193 &result) != LDAP_SUCCESS)
3194 return NT_STATUS_NO_SUCH_ALIAS;
3195
3196 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3197 result);
3198
3199 if (count < 1) {
3200 DEBUG(4, ("ldapsam_modify_aliasmem: Did not find alias\n"));
3201 ldap_msgfree(result);
3202 return NT_STATUS_NO_SUCH_ALIAS;
3203 }
3204
3205 if (count > 1) {
3206 DEBUG(1, ("ldapsam_modify_aliasmem: Duplicate entries for "
3207 "filter %s: count=%d\n", filter, count));
3208 ldap_msgfree(result);
3209 return NT_STATUS_NO_SUCH_ALIAS;
3210 }
3211
3212 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3213 result);
3214
3215 if (!entry) {
3216 ldap_msgfree(result);
3217 return NT_STATUS_UNSUCCESSFUL;
3218 }
3219
3220 dn = smbldap_get_dn(ldap_state->smbldap_state->ldap_struct, entry);
3221 if (!dn) {
3222 ldap_msgfree(result);
3223 return NT_STATUS_UNSUCCESSFUL;
3224 }
3225
3226 smbldap_set_mod(&mods, modop,
3227 get_attr_key2string(groupmap_attr_list,
3228 LDAP_ATTR_SID_LIST),
3229 sid_string_static(member));
3230
3231 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3232
3233 ldap_mods_free(mods, True);
3234 ldap_msgfree(result);
3235 SAFE_FREE(dn);
3236
3237 if (rc == LDAP_TYPE_OR_VALUE_EXISTS) {
3238 return NT_STATUS_MEMBER_IN_ALIAS;
3239 }
3240
3241 if (rc == LDAP_NO_SUCH_ATTRIBUTE) {
3242 return NT_STATUS_MEMBER_NOT_IN_ALIAS;
3243 }
3244
3245 if (rc != LDAP_SUCCESS) {
3246 return NT_STATUS_UNSUCCESSFUL;
3247 }
3248
3249 return NT_STATUS_OK;
3250 }
3251
3252 static NTSTATUS ldapsam_add_aliasmem(struct pdb_methods *methods,
3253 const DOM_SID *alias,
3254 const DOM_SID *member)
3255 {
3256 return ldapsam_modify_aliasmem(methods, alias, member, LDAP_MOD_ADD);
3257 }
3258
3259 static NTSTATUS ldapsam_del_aliasmem(struct pdb_methods *methods,
3260 const DOM_SID *alias,
3261 const DOM_SID *member)
3262 {
3263 return ldapsam_modify_aliasmem(methods, alias, member,
3264 LDAP_MOD_DELETE);
3265 }
3266
3267 static NTSTATUS ldapsam_enum_aliasmem(struct pdb_methods *methods,
3268 const DOM_SID *alias,
3269 DOM_SID **pp_members,
3270 size_t *p_num_members)
3271 {
3272 struct ldapsam_privates *ldap_state =
3273 (struct ldapsam_privates *)methods->private_data;
3274 LDAPMessage *result = NULL;
3275 LDAPMessage *entry = NULL;
3276 int count;
3277 char **values;
3278 int i;
3279 pstring filter;
3280 size_t num_members = 0;
3281 enum SID_NAME_USE type = SID_NAME_USE_NONE;
3282
3283 *pp_members = NULL;
3284 *p_num_members = 0;
3285
3286 if (sid_check_is_in_builtin(alias)) {
3287 type = SID_NAME_ALIAS;
3288 }
3289
3290 if (sid_check_is_in_our_domain(alias)) {
3291 type = SID_NAME_ALIAS;
3292 }
3293
3294 if (type == SID_NAME_USE_NONE) {
3295 DEBUG(5, ("SID %s is neither in builtin nor in our domain!\n",
3296 sid_string_static(alias)));
3297 return NT_STATUS_NO_SUCH_ALIAS;
3298 }
3299
3300 pstr_sprintf(filter,
3301 "(&(objectClass=%s)(sambaSid=%s)(sambaGroupType=%d))",
3302 LDAP_OBJ_GROUPMAP, sid_string_static(alias),
3303 type);
3304
3305 if (ldapsam_search_one_group(ldap_state, filter,
3306 &result) != LDAP_SUCCESS)
3307 return NT_STATUS_NO_SUCH_ALIAS;
3308
3309 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3310 result);
3311
3312 if (count < 1) {
3313 DEBUG(4, ("ldapsam_enum_aliasmem: Did not find alias\n"));
3314 ldap_msgfree(result);
3315 return NT_STATUS_NO_SUCH_ALIAS;
3316 }
3317
3318 if (count > 1) {
3319 DEBUG(1, ("ldapsam_enum_aliasmem: Duplicate entries for "
3320 "filter %s: count=%d\n", filter, count));
3321 ldap_msgfree(result);
3322 return NT_STATUS_NO_SUCH_ALIAS;
3323 }
3324
3325 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3326 result);
3327
3328 if (!entry) {
3329 ldap_msgfree(result);
3330 return NT_STATUS_UNSUCCESSFUL;
3331 }
3332
3333 values = ldap_get_values(ldap_state->smbldap_state->ldap_struct,
3334 entry,
3335 get_attr_key2string(groupmap_attr_list,
3336 LDAP_ATTR_SID_LIST));
3337
3338 if (values == NULL) {
3339 ldap_msgfree(result);
3340 return NT_STATUS_OK;
3341 }
3342
3343 count = ldap_count_values(values);
3344
3345 for (i=0; i<count; i++) {
3346 DOM_SID member;
3347
3348 if (!string_to_sid(&member, values[i]))
3349 continue;
3350
3351 add_sid_to_array(NULL, &member, pp_members, &num_members);
3352 }
3353
3354 *p_num_members = num_members;
3355 ldap_value_free(values);
3356 ldap_msgfree(result);
3357
3358 return NT_STATUS_OK;
3359 }
3360
3361 static NTSTATUS ldapsam_alias_memberships(struct pdb_methods *methods,
3362 TALLOC_CTX *mem_ctx,
3363 const DOM_SID *domain_sid,
3364 const DOM_SID *members,
3365 size_t num_members,
3366 uint32 **pp_alias_rids,
3367 size_t *p_num_alias_rids)
3368 {
3369 struct ldapsam_privates *ldap_state =
3370 (struct ldapsam_privates *)methods->private_data;
3371 LDAP *ldap_struct;
3372
3373 const char *attrs[] = { LDAP_ATTRIBUTE_SID, NULL };
3374
3375 LDAPMessage *result = NULL;
3376 LDAPMessage *entry = NULL;
3377 int i;
3378 int rc;
3379 char *filter;
3380 enum SID_NAME_USE type = SID_NAME_USE_NONE;
3381
3382 if (sid_check_is_builtin(domain_sid)) {
3383 type = SID_NAME_ALIAS;
3384 }
3385
3386 if (sid_check_is_domain(domain_sid)) {
3387 type = SID_NAME_ALIAS;
3388 }
3389
3390 if (type == SID_NAME_USE_NONE) {
3391 DEBUG(5, ("SID %s is neither builtin nor domain!\n",
3392 sid_string_static(domain_sid)));
3393 return NT_STATUS_UNSUCCESSFUL;
3394 }
3395
3396 filter = talloc_asprintf(mem_ctx,
3397 "(&(|(objectclass=%s)(sambaGroupType=%d))(|",
3398 LDAP_OBJ_GROUPMAP, type);
3399
3400 for (i=0; i<num_members; i++)
3401 filter = talloc_asprintf(mem_ctx, "%s(sambaSIDList=%s)",
3402 filter,
3403 sid_string_static(&members[i]));
3404
3405 filter = talloc_asprintf(mem_ctx, "%s))", filter);
3406
3407 if (filter == NULL) {
3408 return NT_STATUS_NO_MEMORY;
3409 }
3410
3411 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_group_suffix(),
3412 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
3413
3414 if (rc != LDAP_SUCCESS)
3415 return NT_STATUS_UNSUCCESSFUL;
3416
3417 ldap_struct = ldap_state->smbldap_state->ldap_struct;
3418
3419 for (entry = ldap_first_entry(ldap_struct, result);
3420 entry != NULL;
3421 entry = ldap_next_entry(ldap_struct, entry))
3422 {
3423 fstring sid_str;
3424 DOM_SID sid;
3425 uint32 rid;
3426
3427 if (!smbldap_get_single_attribute(ldap_struct, entry,
3428 LDAP_ATTRIBUTE_SID,
3429 sid_str,
3430 sizeof(sid_str)-1))
3431 continue;
3432
3433 if (!string_to_sid(&sid, sid_str))
3434 continue;
3435
3436 if (!sid_peek_check_rid(domain_sid, &sid, &rid))
3437 continue;
3438
3439 add_rid_to_array_unique(mem_ctx, rid, pp_alias_rids,
3440 p_num_alias_rids);
3441 }
3442
3443 ldap_msgfree(result);
3444 return NT_STATUS_OK;
3445 }
3446
3447 static NTSTATUS ldapsam_set_account_policy_in_ldap(struct pdb_methods *methods,
3448 int policy_index,
3449 uint32 value)
3450 {
3451 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3452 int rc;
3453 LDAPMod **mods = NULL;
3454 fstring value_string;
3455 const char *policy_attr = NULL;
3456
3457 struct ldapsam_privates *ldap_state =
3458 (struct ldapsam_privates *)methods->private_data;
3459
3460 DEBUG(10,("ldapsam_set_account_policy_in_ldap\n"));
3461
3462 if (!ldap_state->domain_dn) {
3463 return NT_STATUS_INVALID_PARAMETER;
3464 }
3465
3466 policy_attr = get_account_policy_attr(policy_index);
3467 if (policy_attr == NULL) {
3468 DEBUG(0,("ldapsam_set_account_policy_in_ldap: invalid "
3469 "policy\n"));
3470 return ntstatus;
3471 }
3472
3473 slprintf(value_string, sizeof(value_string) - 1, "%i", value);
3474
3475 smbldap_set_mod(&mods, LDAP_MOD_REPLACE, policy_attr, value_string);
3476
3477 rc = smbldap_modify(ldap_state->smbldap_state, ldap_state->domain_dn,
3478 mods);
3479
3480 ldap_mods_free(mods, True);
3481
3482 if (rc != LDAP_SUCCESS) {
3483 return ntstatus;
3484 }
3485
3486 if (!cache_account_policy_set(policy_index, value)) {
3487 DEBUG(0,("ldapsam_set_account_policy_in_ldap: failed to "
3488 "update local tdb cache\n"));
3489 return ntstatus;
3490 }
3491
3492 return NT_STATUS_OK;
3493 }
3494
3495 static NTSTATUS ldapsam_set_account_policy(struct pdb_methods *methods,
3496 int policy_index, uint32 value)
3497 {
3498 if (!account_policy_migrated(False)) {
3499 return (account_policy_set(policy_index, value)) ?
3500 NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL;
3501 }
3502
3503 return ldapsam_set_account_policy_in_ldap(methods, policy_index,
3504 value);
3505 }
3506
3507 static NTSTATUS ldapsam_get_account_policy_from_ldap(struct pdb_methods *methods,
3508 int policy_index,
3509 uint32 *value)
3510 {
3511 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3512 LDAPMessage *result = NULL;
3513 LDAPMessage *entry = NULL;
3514 int count;
3515 int rc;
3516 char **vals = NULL;
3517 const char *policy_attr = NULL;
3518
3519 struct ldapsam_privates *ldap_state =
3520 (struct ldapsam_privates *)methods->private_data;
3521
3522 const char *attrs[2];
3523
3524 DEBUG(10,("ldapsam_get_account_policy_from_ldap\n"));
3525
3526 if (!ldap_state->domain_dn) {
3527 return NT_STATUS_INVALID_PARAMETER;
3528 }
3529
3530 policy_attr = get_account_policy_attr(policy_index);
3531 if (!policy_attr) {
3532 DEBUG(0,("ldapsam_get_account_policy_from_ldap: invalid "
3533 "policy index: %d\n", policy_index));
3534 return ntstatus;
3535 }
3536
3537 attrs[0] = policy_attr;
3538 attrs[1] = NULL;
3539
3540 rc = smbldap_search(ldap_state->smbldap_state, ldap_state->domain_dn,
3541 LDAP_SCOPE_BASE, "(objectclass=*)", attrs, 0,
3542 &result);
3543
3544 if (rc != LDAP_SUCCESS) {
3545 return ntstatus;
3546 }
3547
3548 count = ldap_count_entries(priv2ld(ldap_state), result);
3549 if (count < 1) {
3550 goto out;
3551 }
3552
3553 entry = ldap_first_entry(priv2ld(ldap_state), result);
3554 if (entry == NULL) {
3555 goto out;
3556 }
3557
3558 vals = ldap_get_values(priv2ld(ldap_state), entry, policy_attr);
3559 if (vals == NULL) {
3560 goto out;
3561 }
3562
3563 *value = (uint32)atol(vals[0]);
3564
3565 ntstatus = NT_STATUS_OK;
3566
3567 out:
3568 if (vals)
3569 ldap_value_free(vals);
3570 ldap_msgfree(result);
3571
3572 return ntstatus;
3573 }
3574
3575 /* wrapper around ldapsam_get_account_policy_from_ldap(), handles tdb as cache
3576
3577 - if user hasn't decided to use account policies inside LDAP just reuse the
3578 old tdb values
3579
3580 - if there is a valid cache entry, return that
3581 - if there is an LDAP entry, update cache and return
3582 - otherwise set to default, update cache and return
3583
3584 Guenther
3585 */
3586 static NTSTATUS ldapsam_get_account_policy(struct pdb_methods *methods,
3587 int policy_index, uint32 *value)
3588 {
3589 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3590
3591 if (!account_policy_migrated(False)) {
3592 return (account_policy_get(policy_index, value))
3593 ? NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL;
3594 }
3595
3596 if (cache_account_policy_get(policy_index, value)) {
3597 DEBUG(11,("ldapsam_get_account_policy: got valid value from "
3598 "cache\n"));
3599 return NT_STATUS_OK;
3600 }
3601
3602 ntstatus = ldapsam_get_account_policy_from_ldap(methods, policy_index,
3603 value);
3604 if (NT_STATUS_IS_OK(ntstatus)) {
3605 goto update_cache;
3606 }
3607
3608 DEBUG(10,("ldapsam_get_account_policy: failed to retrieve from "
3609 "ldap\n"));
3610
3611 #if 0
3612 /* should we automagically migrate old tdb value here ? */
3613 if (account_policy_get(policy_index, value))
3614 goto update_ldap;
3615
3616 DEBUG(10,("ldapsam_get_account_policy: no tdb for %d, trying "
3617 "default\n", policy_index));
3618 #endif
3619
3620 if (!account_policy_get_default(policy_index, value)) {
3621 return ntstatus;
3622 }
3623
3624 /* update_ldap: */
3625
3626 ntstatus = ldapsam_set_account_policy(methods, policy_index, *value);
3627 if (!NT_STATUS_IS_OK(ntstatus)) {
3628 return ntstatus;
3629 }
3630
3631 update_cache:
3632
3633 if (!cache_account_policy_set(policy_index, *value)) {
3634 DEBUG(0,("ldapsam_get_account_policy: failed to update local "
3635 "tdb as a cache\n"));
3636 return NT_STATUS_UNSUCCESSFUL;
3637 }
3638
3639 return NT_STATUS_OK;
3640 }
3641
3642 static NTSTATUS ldapsam_lookup_rids(struct pdb_methods *methods,
3643 const DOM_SID *domain_sid,
3644 int num_rids,
3645 uint32 *rids,
3646 const char **names,
3647 enum SID_NAME_USE *attrs)
3648 {
3649 struct ldapsam_privates *ldap_state =
3650 (struct ldapsam_privates *)methods->private_data;
3651 LDAPMessage *msg = NULL;
3652 LDAPMessage *entry;
3653 char *allsids = NULL;
3654 int i, rc, num_mapped;
3655 NTSTATUS result = NT_STATUS_NO_MEMORY;
3656 TALLOC_CTX *mem_ctx;
3657 LDAP *ld;
3658 BOOL is_builtin;
3659
3660 mem_ctx = talloc_new(NULL);
3661 if (mem_ctx == NULL) {
3662 DEBUG(0, ("talloc_new failed\n"));
3663 goto done;
3664 }
3665
3666 if (!sid_check_is_builtin(domain_sid) &&
3667 !sid_check_is_domain(domain_sid)) {
3668 result = NT_STATUS_INVALID_PARAMETER;
3669 goto done;
3670 }
3671
3672 for (i=0; i<num_rids; i++)
3673 attrs[i] = SID_NAME_UNKNOWN;
3674
3675 allsids = talloc_strdup(mem_ctx, "");
3676 if (allsids == NULL) {
3677 goto done;
3678 }
3679
3680 for (i=0; i<num_rids; i++) {
3681 DOM_SID sid;
3682 sid_compose(&sid, domain_sid, rids[i]);
3683 allsids = talloc_asprintf_append(allsids, "(sambaSid=%s)",
3684 sid_string_static(&sid));
3685 if (allsids == NULL) {
3686 goto done;
3687 }
3688 }
3689
3690 /* First look for users */
3691
3692 {
3693 char *filter;
3694 const char *ldap_attrs[] = { "uid", "sambaSid", NULL };
3695
3696 filter = talloc_asprintf(
3697 mem_ctx, ("(&(objectClass=%s)(|%s))"),
3698 LDAP_OBJ_SAMBASAMACCOUNT, allsids);
3699
3700 if (filter == NULL) {
3701 goto done;
3702 }
3703
3704 rc = smbldap_search(ldap_state->smbldap_state,
3705 lp_ldap_user_suffix(),
3706 LDAP_SCOPE_SUBTREE, filter, ldap_attrs, 0,
3707 &msg);
3708 talloc_autofree_ldapmsg(mem_ctx, msg);
3709 }
3710
3711 if (rc != LDAP_SUCCESS)
3712 goto done;
3713
3714 ld = ldap_state->smbldap_state->ldap_struct;
3715 num_mapped = 0;
3716
3717 for (entry = ldap_first_entry(ld, msg);
3718 entry != NULL;
3719 entry = ldap_next_entry(ld, entry)) {
3720 uint32 rid;
3721 int rid_index;
3722 const char *name;
3723
3724 if (!ldapsam_extract_rid_from_entry(ld, entry, domain_sid,
3725 &rid)) {
3726 DEBUG(2, ("Could not find sid from ldap entry\n"));
3727 continue;
3728 }
3729
3730 name = smbldap_talloc_single_attribute(ld, entry, "uid",
3731 names);
3732 if (name == NULL) {
3733 DEBUG(2, ("Could not retrieve uid attribute\n"));
3734 continue;
3735 }
3736
3737 for (rid_index = 0; rid_index < num_rids; rid_index++) {
3738 if (rid == rids[rid_index])
3739 break;
3740 }
3741
3742 if (rid_index == num_rids) {
3743 DEBUG(2, ("Got a RID not asked for: %d\n", rid));
3744 continue;
3745 }
3746
3747 attrs[rid_index] = SID_NAME_USER;
3748 names[rid_index] = name;
3749 num_mapped += 1;
3750 }
3751
3752 if (num_mapped == num_rids) {
3753 /* No need to look for groups anymore -- we're done */
3754 result = NT_STATUS_OK;
3755 goto done;
3756 }
3757
3758 /* Same game for groups */
3759
3760 {
3761 char *filter;
3762 const char *ldap_attrs[] = { "cn", "displayName", "sambaSid",
3763 "sambaGroupType", NULL };
3764
3765 filter = talloc_asprintf(
3766 mem_ctx, "(&(objectClass=%s)(|%s))",
3767 LDAP_OBJ_GROUPMAP, allsids);
3768 if (filter == NULL) {
3769 goto done;
3770 }
3771
3772 rc = smbldap_search(ldap_state->smbldap_state,
3773 lp_ldap_group_suffix(),
3774 LDAP_SCOPE_SUBTREE, filter, ldap_attrs, 0,
3775 &msg);
3776 talloc_autofree_ldapmsg(mem_ctx, msg);
3777 }
3778
3779 if (rc != LDAP_SUCCESS)
3780 goto done;
3781
3782 /* ldap_struct might have changed due to a reconnect */
3783
3784 ld = ldap_state->smbldap_state->ldap_struct;
3785
3786 /* For consistency checks, we already checked we're only domain or builtin */
3787
3788 is_builtin = sid_check_is_builtin(domain_sid);
3789
3790 for (entry = ldap_first_entry(ld, msg);
3791 entry != NULL;
3792 entry = ldap_next_entry(ld, entry))
3793 {
3794 uint32 rid;
3795 int rid_index;
3796 const char *attr;
3797 enum SID_NAME_USE type;
3798 const char *dn = smbldap_talloc_dn(mem_ctx, ld, entry);
3799
3800 attr = smbldap_talloc_single_attribute(ld, entry, "sambaGroupType",
3801 mem_ctx);
3802 if (attr == NULL) {
3803 DEBUG(2, ("Could not extract type from ldap entry %s\n",
3804 dn));
3805 continue;
3806 }
3807
3808 type = (enum SID_NAME_USE)atol(attr);
3809
3810 /* Consistency checks */
3811 if ((is_builtin && (type != SID_NAME_ALIAS)) ||
3812 (!is_builtin && ((type != SID_NAME_ALIAS) &&
3813 (type != SID_NAME_DOM_GRP)))) {
3814 DEBUG(2, ("Rejecting invalid group mapping entry %s\n", dn));
3815 }
3816
3817 if (!ldapsam_extract_rid_from_entry(ld, entry, domain_sid,
3818 &rid)) {
3819 DEBUG(2, ("Could not find sid from ldap entry %s\n", dn));
3820 continue;
3821 }
3822
3823 attr = smbldap_talloc_single_attribute(ld, entry, "displayName", names);
3824
3825 if (attr == NULL) {
3826 DEBUG(10, ("Could not retrieve 'displayName' attribute from %s\n",
3827 dn));
3828 attr = smbldap_talloc_single_attribute(ld, entry, "cn", names);
3829 }
3830
3831 if (attr == NULL) {
3832 DEBUG(2, ("Could not retrieve naming attribute from %s\n",
3833 dn));
3834 continue;
3835 }
3836
3837 for (rid_index = 0; rid_index < num_rids; rid_index++) {
3838 if (rid == rids[rid_index])
3839 break;
3840 }
3841
3842 if (rid_index == num_rids) {
3843 DEBUG(2, ("Got a RID not asked for: %d\n", rid));
3844 continue;
3845 }
3846
3847 attrs[rid_index] = type;
3848 names[rid_index] = attr;
3849 num_mapped += 1;
3850 }
3851
3852 result = NT_STATUS_NONE_MAPPED;
3853
3854 if (num_mapped > 0)
3855 result = (num_mapped == num_rids) ?
3856 NT_STATUS_OK : STATUS_SOME_UNMAPPED;
3857 done:
3858 TALLOC_FREE(mem_ctx);
3859 return result;
3860 }
3861
3862 static char *get_ldap_filter(TALLOC_CTX *mem_ctx, const char *username)
3863 {
3864 char *filter = NULL;
3865 char *escaped = NULL;
3866 char *result = NULL;
3867
3868 asprintf(&filter, "(&%s(objectclass=sambaSamAccount))",
3869 "(uid=%u)");
3870 if (filter == NULL) goto done;
3871
3872 escaped = escape_ldap_string_alloc(username);
3873 if (escaped == NULL) goto done;
3874
3875 result = talloc_string_sub(mem_ctx, filter, "%u", username);
3876
3877 done:
3878 SAFE_FREE(filter);
3879 SAFE_FREE(escaped);
3880
3881 return result;
3882 }
3883
3884 const char **talloc_attrs(TALLOC_CTX *mem_ctx, ...)
3885 {
3886 int i, num = 0;
3887 va_list ap;
3888 const char **result;
3889
3890 va_start(ap, mem_ctx);
3891 while (va_arg(ap, const char *) != NULL)
3892 num += 1;
3893 va_end(ap);
3894
3895 if ((result = TALLOC_ARRAY(mem_ctx, const char *, num+1)) == NULL) {
3896 return NULL;
3897 }
3898
3899 va_start(ap, mem_ctx);
3900 for (i=0; i<num; i++) {
3901 result[i] = talloc_strdup(result, va_arg(ap, const char*));
3902 if (result[i] == NULL) {
3903 talloc_free(result);
3904 return NULL;
3905 }
3906 }
3907 va_end(ap);
3908
3909 result[num] = NULL;
3910 return result;
3911 }
3912
3913 struct ldap_search_state {
3914 struct smbldap_state *connection;
3915
3916 uint32 acct_flags;
3917 uint16 group_type;
3918
3919 const char *base;
3920 int scope;
3921 const char *filter;
3922 const char **attrs;
3923 int attrsonly;
3924 void *pagedresults_cookie;
3925
3926 LDAPMessage *entries, *current_entry;
3927 BOOL (*ldap2displayentry)(struct ldap_search_state *state,
3928 TALLOC_CTX *mem_ctx,
3929 LDAP *ld, LDAPMessage *entry,
3930 struct samr_displayentry *result);
3931 };
3932
3933 static BOOL ldapsam_search_firstpage(struct pdb_search *search)
3934 {
3935 struct ldap_search_state *state =
3936 (struct ldap_search_state *)search->private_data;
3937 LDAP *ld;
3938 int rc = LDAP_OPERATIONS_ERROR;
3939
3940 state->entries = NULL;
3941
3942 if (state->connection->paged_results) {
3943 rc = smbldap_search_paged(state->connection, state->base,
3944 state->scope, state->filter,
3945 state->attrs, state->attrsonly,
3946 lp_ldap_page_size(), &state->entries,
3947 &state->pagedresults_cookie);
3948 }
3949
3950 if ((rc != LDAP_SUCCESS) || (state->entries == NULL)) {
3951
3952 if (state->entries != NULL) {
3953 /* Left over from unsuccessful paged attempt */
3954 ldap_msgfree(state->entries);
3955 state->entries = NULL;
3956 }
3957
3958 rc = smbldap_search(state->connection, state->base,
3959 state->scope, state->filter, state->attrs,
3960 state->attrsonly, &state->entries);
3961
3962 if ((rc != LDAP_SUCCESS) || (state->entries == NULL))
3963 return False;
3964
3965 /* Ok, the server was lying. It told us it could do paged
3966 * searches when it could not. */
3967 state->connection->paged_results = False;
3968 }
3969
3970 ld = state->connection->ldap_struct;
3971 if ( ld == NULL) {
3972 DEBUG(5, ("Don't have an LDAP connection right after a "
3973 "search\n"));
3974 return False;
3975 }
3976 state->current_entry = ldap_first_entry(ld, state->entries);
3977
3978 if (state->current_entry == NULL) {
3979 ldap_msgfree(state->entries);
3980 state->entries = NULL;
3981 }
3982
3983 return True;
3984 }
3985
3986 static BOOL ldapsam_search_nextpage(struct pdb_search *search)
3987 {
3988 struct ldap_search_state *state =
3989 (struct ldap_search_state *)search->private_data;
3990 int rc;
3991
3992 if (!state->connection->paged_results) {
3993 /* There is no next page when there are no paged results */
3994 return False;
3995 }
3996
3997 rc = smbldap_search_paged(state->connection, state->base,
3998 state->scope, state->filter, state->attrs,
3999 state->attrsonly, lp_ldap_page_size(),
4000 &state->entries,
4001 &state->pagedresults_cookie);
4002
4003 if ((rc != LDAP_SUCCESS) || (state->entries == NULL))
4004 return False;
4005
4006 state->current_entry = ldap_first_entry(state->connection->ldap_struct, state->entries);
4007
4008 if (state->current_entry == NULL) {
4009 ldap_msgfree(state->entries);
4010 state->entries = NULL;
4011 }
4012
4013 return True;
4014 }
4015
4016 static BOOL ldapsam_search_next_entry(struct pdb_search *search,
4017 struct samr_displayentry *entry)
4018 {
4019 struct ldap_search_state *state =
4020 (struct ldap_search_state *)search->private_data;
4021 BOOL result;
4022
4023 retry:
4024 if ((state->entries == NULL) && (state->pagedresults_cookie == NULL))
4025 return False;
4026
4027 if ((state->entries == NULL) &&
4028 !ldapsam_search_nextpage(search))
4029 return False;
4030
4031 result = state->ldap2displayentry(state, search->mem_ctx, state->connection->ldap_struct,
4032 state->current_entry, entry);
4033
4034 if (!result) {
4035 char *dn;
4036 dn = ldap_get_dn(state->connection->ldap_struct, state->current_entry);
4037 DEBUG(5, ("Skipping entry %s\n", dn != NULL ? dn : "<NULL>"));
4038 if (dn != NULL) ldap_memfree(dn);
4039 }
4040
4041 state->current_entry = ldap_next_entry(state->connection->ldap_struct, state->current_entry);
4042
4043 if (state->current_entry == NULL) {
4044 ldap_msgfree(state->entries);
4045 state->entries = NULL;
4046 }
4047
4048 if (!result) goto retry;
4049
4050 return True;
4051 }
4052
4053 static void ldapsam_search_end(struct pdb_search *search)
4054 {
4055 struct ldap_search_state *state =
4056 (struct ldap_search_state *)search->private_data;
4057 int rc;
4058
4059 if (state->pagedresults_cookie == NULL)
4060 return;
4061
4062 if (state->entries != NULL)
4063 ldap_msgfree(state->entries);
4064
4065 state->entries = NULL;
4066 state->current_entry = NULL;
4067
4068 if (!state->connection->paged_results)
4069 return;
4070
4071 /* Tell the LDAP server we're not interested in the rest anymore. */
4072
4073 rc = smbldap_search_paged(state->connection, state->base, state->scope,
4074 state->filter, state->attrs,
4075 state->attrsonly, 0, &state->entries,
4076 &state->pagedresults_cookie);
4077
4078 if (rc != LDAP_SUCCESS)
4079 DEBUG(5, ("Could not end search properly\n"));
4080
4081 return;
4082 }
4083
4084 static BOOL ldapuser2displayentry(struct ldap_search_state *state,
4085 TALLOC_CTX *mem_ctx,
4086 LDAP *ld, LDAPMessage *entry,
4087 struct samr_displayentry *result)
4088 {
4089 char **vals;
4090 DOM_SID sid;
4091 uint32 acct_flags;
4092
4093 vals = ldap_get_values(ld, entry, "sambaAcctFlags");
4094 if ((vals == NULL) || (vals[0] == NULL)) {
4095 DEBUG(5, ("\"sambaAcctFlags\" not found\n"));
4096 return False;
4097 }
4098 acct_flags = pdb_decode_acct_ctrl(vals[0]);
4099 ldap_value_free(vals);
4100
4101 if ((state->acct_flags != 0) &&
4102 ((state->acct_flags & acct_flags) == 0))
4103 return False;
4104
4105 result->acct_flags = acct_flags;
4106 result->account_name = "";
4107 result->fullname = "";
4108 result->description = "";
4109
4110 vals = ldap_get_values(ld, entry, "uid");
4111 if ((vals == NULL) || (vals[0] == NULL)) {
4112 DEBUG(5, ("\"uid\" not found\n"));
4113 return False;
4114 }
4115 pull_utf8_talloc(mem_ctx,
4116 CONST_DISCARD(char **, &result->account_name),
4117 vals[0]);
4118 ldap_value_free(vals);
4119
4120 vals = ldap_get_values(ld, entry, "displayName");
4121 if ((vals == NULL) || (vals[0] == NULL))
4122 DEBUG(8, ("\"displayName\" not found\n"));
4123 else
4124 pull_utf8_talloc(mem_ctx,
4125 CONST_DISCARD(char **, &result->fullname),
4126 vals[0]);
4127 ldap_value_free(vals);
4128
4129 vals = ldap_get_values(ld, entry, "description");
4130 if ((vals == NULL) || (vals[0] == NULL))
4131 DEBUG(8, ("\"description\" not found\n"));
4132 else
4133 pull_utf8_talloc(mem_ctx,
4134 CONST_DISCARD(char **, &result->description),
4135 vals[0]);
4136 ldap_value_free(vals);
4137
4138 if ((result->account_name == NULL) ||
4139 (result->fullname == NULL) ||
4140 (result->description == NULL)) {
4141 DEBUG(0, ("talloc failed\n"));
4142 return False;
4143 }
4144
4145 vals = ldap_get_values(ld, entry, "sambaSid");
4146 if ((vals == NULL) || (vals[0] == NULL)) {
4147 DEBUG(0, ("\"objectSid\" not found\n"));
4148 return False;
4149 }
4150
4151 if (!string_to_sid(&sid, vals[0])) {
4152 DEBUG(0, ("Could not convert %s to SID\n", vals[0]));
4153 ldap_value_free(vals);
4154 return False;
4155 }
4156 ldap_value_free(vals);
4157
4158 if (!sid_peek_check_rid(get_global_sam_sid(), &sid, &result->rid)) {
4159 DEBUG(0, ("sid %s does not belong to our domain\n",
4160 sid_string_static(&sid)));
4161 return False;
4162 }
4163
4164 return True;
4165 }
4166
4167
4168 static BOOL ldapsam_search_users(struct pdb_methods *methods,
4169 struct pdb_search *search,
4170 uint32 acct_flags)
4171 {
4172 struct ldapsam_privates *ldap_state =
4173 (struct ldapsam_privates *)methods->private_data;
4174 struct ldap_search_state *state;
4175
4176 state = TALLOC_P(search->mem_ctx, struct ldap_search_state);
4177 if (state == NULL) {
4178 DEBUG(0, ("talloc failed\n"));
4179 return False;
4180 }
4181
4182 state->connection = ldap_state->smbldap_state;
4183
4184 if ((acct_flags != 0) && ((acct_flags & ACB_NORMAL) != 0))
4185 state->base = lp_ldap_user_suffix();
4186 else if ((acct_flags != 0) &&
4187 ((acct_flags & (ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)) != 0))
4188 state->base = lp_ldap_machine_suffix();
4189 else
4190 state->base = lp_ldap_suffix();
4191
4192 state->acct_flags = acct_flags;
4193 state->base = talloc_strdup(search->mem_ctx, state->base);
4194 state->scope = LDAP_SCOPE_SUBTREE;
4195 state->filter = get_ldap_filter(search->mem_ctx, "*");
4196 state->attrs = talloc_attrs(search->mem_ctx, "uid", "sambaSid",
4197 "displayName", "description",
4198 "sambaAcctFlags", NULL);
4199 state->attrsonly = 0;
4200 state->pagedresults_cookie = NULL;
4201 state->entries = NULL;
4202 state->ldap2displayentry = ldapuser2displayentry;
4203
4204 if ((state->filter == NULL) || (state->attrs == NULL)) {
4205 DEBUG(0, ("talloc failed\n"));
4206 return False;
4207 }
4208
4209 search->private_data = state;
4210 search->next_entry = ldapsam_search_next_entry;
4211 search->search_end = ldapsam_search_end;
4212
4213 return ldapsam_search_firstpage(search);
4214 }
4215
4216 static BOOL ldapgroup2displayentry(struct ldap_search_state *state,
4217 TALLOC_CTX *mem_ctx,
4218 LDAP *ld, LDAPMessage *entry,
4219 struct samr_displayentry *result)
4220 {
4221 char **vals;
4222 DOM_SID sid;
4223 uint16 group_type;
4224
4225 result->account_name = "";
4226 result->fullname = "";
4227 result->description = "";
4228
4229
4230 vals = ldap_get_values(ld, entry, "sambaGroupType");
4231 if ((vals == NULL) || (vals[0] == NULL)) {
4232 DEBUG(5, ("\"sambaGroupType\" not found\n"));
4233 if (vals != NULL) {
4234 ldap_value_free(vals);
4235 }
4236 return False;
4237 }
4238
4239 group_type = atoi(vals[0]);
4240
4241 if ((state->group_type != 0) &&
4242 ((state->group_type != group_type))) {
4243 ldap_value_free(vals);
4244 return False;
4245 }
4246
4247 ldap_value_free(vals);
4248
4249 /* display name is the NT group name */
4250
4251 vals = ldap_get_values(ld, entry, "displayName");
4252 if ((vals == NULL) || (vals[0] == NULL)) {
4253 DEBUG(8, ("\"displayName\" not found\n"));
4254
4255 /* fallback to the 'cn' attribute */
4256 vals = ldap_get_values(ld, entry, "cn");
4257 if ((vals == NULL) || (vals[0] == NULL)) {
4258 DEBUG(5, ("\"cn\" not found\n"));
4259 return False;
4260 }
4261 pull_utf8_talloc(mem_ctx,
4262 CONST_DISCARD(char **, &result->account_name),
4263 vals[0]);
4264 }
4265 else {
4266 pull_utf8_talloc(mem_ctx,
4267 CONST_DISCARD(char **, &result->account_name),
4268 vals[0]);
4269 }
4270
4271 ldap_value_free(vals);
4272
4273 vals = ldap_get_values(ld, entry, "description");
4274 if ((vals == NULL) || (vals[0] == NULL))
4275 DEBUG(8, ("\"description\" not found\n"));
4276 else
4277 pull_utf8_talloc(mem_ctx,
4278 CONST_DISCARD(char **, &result->description),
4279 vals[0]);
4280 ldap_value_free(vals);
4281
4282 if ((result->account_name == NULL) ||
4283 (result->fullname == NULL) ||
4284 (result->description == NULL)) {
4285 DEBUG(0, ("talloc failed\n"));
4286 return False;
4287 }
4288
4289 vals = ldap_get_values(ld, entry, "sambaSid");
4290 if ((vals == NULL) || (vals[0] == NULL)) {
4291 DEBUG(0, ("\"objectSid\" not found\n"));
4292 if (vals != NULL) {
4293 ldap_value_free(vals);
4294 }
4295 return False;
4296 }
4297
4298 if (!string_to_sid(&sid, vals[0])) {
4299 DEBUG(0, ("Could not convert %s to SID\n", vals[0]));
4300 return False;
4301 }
4302
4303 ldap_value_free(vals);
4304
4305 switch (group_type) {
4306 case SID_NAME_DOM_GRP:
4307 case SID_NAME_ALIAS:
4308
4309 if (!sid_peek_check_rid(get_global_sam_sid(), &sid, &result->rid)
4310 && !sid_peek_check_rid(&global_sid_Builtin, &sid, &result->rid))
4311 {
4312 DEBUG(0, ("%s is not in our domain\n",
4313 sid_string_static(&sid)));
4314 return False;
4315 }
4316 break;
4317
4318 default:
4319 DEBUG(0,("unkown group type: %d\n", group_type));
4320 return False;
4321 }
4322
4323 return True;
4324 }
4325
4326 static BOOL ldapsam_search_grouptype(struct pdb_methods *methods,
4327 struct pdb_search *search,
4328 const DOM_SID *sid,
4329 enum SID_NAME_USE type)
4330 {
4331 struct ldapsam_privates *ldap_state =
4332 (struct ldapsam_privates *)methods->private_data;
4333 struct ldap_search_state *state;
4334
4335 state = TALLOC_P(search->mem_ctx, struct ldap_search_state);
4336 if (state == NULL) {
4337 DEBUG(0, ("talloc failed\n"));
4338 return False;
4339 }
4340
4341 state->connection = ldap_state->smbldap_state;
4342
4343 state->base = talloc_strdup(search->mem_ctx, lp_ldap_group_suffix());
4344 state->connection = ldap_state->smbldap_state;
4345 state->scope = LDAP_SCOPE_SUBTREE;
4346 state->filter = talloc_asprintf(search->mem_ctx,
4347 "(&(objectclass=sambaGroupMapping)"
4348 "(sambaGroupType=%d)(sambaSID=%s*))",
4349 type, sid_string_static(sid));
4350 state->attrs = talloc_attrs(search->mem_ctx, "cn", "sambaSid",
4351 "displayName", "description",
4352 "sambaGroupType", NULL);
4353 state->attrsonly = 0;
4354 state->pagedresults_cookie = NULL;
4355 state->entries = NULL;
4356 state->group_type = type;
4357 state->ldap2displayentry = ldapgroup2displayentry;
4358
4359 if ((state->filter == NULL) || (state->attrs == NULL)) {
4360 DEBUG(0, ("talloc failed\n"));
4361 return False;
4362 }
4363
4364 search->private_data = state;
4365 search->next_entry = ldapsam_search_next_entry;
4366 search->search_end = ldapsam_search_end;
4367
4368 return ldapsam_search_firstpage(search);
4369 }
4370
4371 static BOOL ldapsam_search_groups(struct pdb_methods *methods,
4372 struct pdb_search *search)
4373 {
4374 return ldapsam_search_grouptype(methods, search, get_global_sam_sid(), SID_NAME_DOM_GRP);
4375 }
4376
4377 static BOOL ldapsam_search_aliases(struct pdb_methods *methods,
4378 struct pdb_search *search,
4379 const DOM_SID *sid)
4380 {
4381 return ldapsam_search_grouptype(methods, search, sid, SID_NAME_ALIAS);
4382 }
4383
4384 static BOOL ldapsam_rid_algorithm(struct pdb_methods *methods)
4385 {
4386 return False;
4387 }
4388
4389 static NTSTATUS ldapsam_get_new_rid(struct ldapsam_privates *priv,
4390 uint32 *rid)
4391 {
4392 struct smbldap_state *smbldap_state = priv->smbldap_state;
4393
4394 LDAPMessage *result = NULL;
4395 LDAPMessage *entry = NULL;
4396 LDAPMod **mods = NULL;
4397 NTSTATUS status;
4398 char *value;
4399 int rc;
4400 uint32 nextRid = 0;
4401 const char *dn;
4402
4403 TALLOC_CTX *mem_ctx;
4404
4405 mem_ctx = talloc_new(NULL);
4406 if (mem_ctx == NULL) {
4407 DEBUG(0, ("talloc_new failed\n"));
4408 return NT_STATUS_NO_MEMORY;
4409 }
4410
4411 status = smbldap_search_domain_info(smbldap_state, &result,
4412 get_global_sam_name(), False);
4413 if (!NT_STATUS_IS_OK(status)) {
4414 DEBUG(3, ("Could not get domain info: %s\n",
4415 nt_errstr(status)));
4416 goto done;
4417 }
4418
4419 talloc_autofree_ldapmsg(mem_ctx, result);
4420
4421 entry = ldap_first_entry(priv2ld(priv), result);
4422 if (entry == NULL) {
4423 DEBUG(0, ("Could not get domain info entry\n"));
4424 status = NT_STATUS_INTERNAL_DB_CORRUPTION;
4425 goto done;
4426 }
4427
4428 /* Find the largest of the three attributes "sambaNextRid",
4429 "sambaNextGroupRid" and "sambaNextUserRid". I gave up on the
4430 concept of differentiating between user and group rids, and will
4431 use only "sambaNextRid" in the future. But for compatibility
4432 reasons I look if others have chosen different strategies -- VL */
4433
4434 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4435 "sambaNextRid", mem_ctx);
4436 if (value != NULL) {
4437 uint32 tmp = (uint32)strtoul(value, NULL, 10);
4438 nextRid = MAX(nextRid, tmp);
4439 }
4440
4441 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4442 "sambaNextUserRid", mem_ctx);
4443 if (value != NULL) {
4444 uint32 tmp = (uint32)strtoul(value, NULL, 10);
4445 nextRid = MAX(nextRid, tmp);
4446 }
4447
4448 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4449 "sambaNextGroupRid", mem_ctx);
4450 if (value != NULL) {
4451 uint32 tmp = (uint32)strtoul(value, NULL, 10);
4452 nextRid = MAX(nextRid, tmp);
4453 }
4454
4455 if (nextRid == 0) {
4456 nextRid = BASE_RID-1;
4457 }
4458
4459 nextRid += 1;
4460
4461 smbldap_make_mod(priv2ld(priv), entry, &mods, "sambaNextRid",
4462 talloc_asprintf(mem_ctx, "%d", nextRid));
4463 talloc_autofree_ldapmod(mem_ctx, mods);
4464
4465 if ((dn = smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry)) == NULL) {
4466 status = NT_STATUS_NO_MEMORY;
4467 goto done;
4468 }
4469
4470 rc = smbldap_modify(smbldap_state, dn, mods);
4471
4472 /* ACCESS_DENIED is used as a placeholder for "the modify failed,
4473 * please retry" */
4474
4475 status = (rc == LDAP_SUCCESS) ? NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
4476
4477 done:
4478 if (NT_STATUS_IS_OK(status)) {
4479 *rid = nextRid;
4480 }
4481
4482 TALLOC_FREE(mem_ctx);
4483 return status;
4484 }
4485
4486 static NTSTATUS ldapsam_new_rid_internal(struct pdb_methods *methods, uint32 *rid)
4487 {
4488 int i;
4489
4490 for (i=0; i<10; i++) {
4491 NTSTATUS result = ldapsam_get_new_rid(
4492 (struct ldapsam_privates *)methods->private_data, rid);
4493 if (NT_STATUS_IS_OK(result)) {
4494 return result;
4495 }
4496
4497 if (!NT_STATUS_EQUAL(result, NT_STATUS_ACCESS_DENIED)) {
4498 return result;
4499 }
4500
4501 /* The ldap update failed (maybe a race condition), retry */
4502 }
4503
4504 /* Tried 10 times, fail. */
4505 return NT_STATUS_ACCESS_DENIED;
4506 }
4507
4508 static BOOL ldapsam_new_rid(struct pdb_methods *methods, uint32 *rid)
4509 {
4510 NTSTATUS result = ldapsam_new_rid_internal(methods, rid);
4511 return NT_STATUS_IS_OK(result) ? True : False;
4512 }
4513
4514 static BOOL ldapsam_sid_to_id(struct pdb_methods *methods,
4515 const DOM_SID *sid,
4516 union unid_t *id, enum SID_NAME_USE *type)
4517 {
4518 struct ldapsam_privates *priv =
4519 (struct ldapsam_privates *)methods->private_data;
4520 char *filter;
4521 const char *attrs[] = { "sambaGroupType", "gidNumber", "uidNumber",
4522 NULL };
4523 LDAPMessage *result = NULL;
4524 LDAPMessage *entry = NULL;
4525 BOOL ret = False;
4526 char *value;
4527 int rc;
4528
4529 TALLOC_CTX *mem_ctx;
4530
4531 mem_ctx = talloc_new(NULL);
4532 if (mem_ctx == NULL) {
4533 DEBUG(0, ("talloc_new failed\n"));
4534 return False;
4535 }
4536
4537 filter = talloc_asprintf(mem_ctx,
4538 "(&(sambaSid=%s)"
4539 "(|(objectClass=%s)(objectClass=%s)))",
4540 sid_string_static(sid),
4541 LDAP_OBJ_GROUPMAP, LDAP_OBJ_SAMBASAMACCOUNT);
4542 if (filter == NULL) {
4543 DEBUG(5, ("talloc_asprintf failed\n"));
4544 goto done;
4545 }
4546
4547 rc = smbldap_search_suffix(priv->smbldap_state, filter,
4548 attrs, &result);
4549 if (rc != LDAP_SUCCESS) {
4550 goto done;
4551 }
4552 talloc_autofree_ldapmsg(mem_ctx, result);
4553
4554 if (ldap_count_entries(priv2ld(priv), result) != 1) {
4555 DEBUG(10, ("Got %d entries, expected one\n",
4556 ldap_count_entries(priv2ld(priv), result)));
4557 goto done;
4558 }
4559
4560 entry = ldap_first_entry(priv2ld(priv), result);
4561
4562 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4563 "sambaGroupType", mem_ctx);
4564
4565 if (value != NULL) {
4566 const char *gid_str;
4567 /* It's a group */
4568
4569 gid_str = smbldap_talloc_single_attribute(
4570 priv2ld(priv), entry, "gidNumber", mem_ctx);
4571 if (gid_str == NULL) {
4572 DEBUG(1, ("%s has sambaGroupType but no gidNumber\n",
4573 smbldap_talloc_dn(mem_ctx, priv2ld(priv),
4574 entry)));
4575 goto done;
4576 }
4577
4578 id->gid = strtoul(gid_str, NULL, 10);
4579 *type = (enum SID_NAME_USE)strtoul(value, NULL, 10);
4580 ret = True;
4581 goto done;
4582 }
4583
4584 /* It must be a user */
4585
4586 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4587 "uidNumber", mem_ctx);
4588 if (value == NULL) {
4589 DEBUG(1, ("Could not find uidNumber in %s\n",
4590 smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry)));
4591 goto done;
4592 }
4593
4594 id->uid = strtoul(value, NULL, 10);
4595 *type = SID_NAME_USER;
4596
4597 ret = True;
4598 done:
4599 TALLOC_FREE(mem_ctx);
4600 return ret;
4601 }
4602
4603 /*
4604 * The following functions is called only if
4605 * ldapsam:trusted and ldapsam:editposix are
4606 * set to true
4607 */
4608
4609 /*
4610 * ldapsam_create_user creates a new
4611 * posixAccount and sambaSamAccount object
4612 * in the ldap users subtree
4613 *
4614 * The uid is allocated by winbindd.
4615 */
4616
4617 static NTSTATUS ldapsam_create_user(struct pdb_methods *my_methods,
4618 TALLOC_CTX *tmp_ctx, const char *name,
4619 uint32 acb_info, uint32 *rid)
4620 {
4621 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
4622 LDAPMessage *entry = NULL;
4623 LDAPMessage *result = NULL;
4624 uint32 num_result;
4625 BOOL is_machine = False;
4626 BOOL add_posix = False;
4627 LDAPMod **mods = NULL;
4628 struct samu *user;
4629 char *filter;
4630 char *username;
4631 char *homedir;
4632 char *gidstr;
4633 char *uidstr;
4634 char *shell;
4635 const char *dn = NULL;
4636 DOM_SID group_sid;
4637 DOM_SID user_sid;
4638 gid_t gid = -1;
4639 uid_t uid = -1;
4640 NTSTATUS ret;
4641 int rc;
4642
4643 if (((acb_info & ACB_NORMAL) && name[strlen(name)-1] == '$') ||
4644 acb_info & ACB_WSTRUST ||
4645 acb_info & ACB_SVRTRUST ||
4646 acb_info & ACB_DOMTRUST) {
4647 is_machine = True;
4648 }
4649
4650 username = escape_ldap_string_alloc(name);
4651 filter = talloc_asprintf(tmp_ctx, "(&(uid=%s)(objectClass=%s))",
4652 username, LDAP_OBJ_POSIXACCOUNT);
4653 SAFE_FREE(username);
4654
4655 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
4656 if (rc != LDAP_SUCCESS) {
4657 DEBUG(0,("ldapsam_create_user: ldap search failed!\n"));
4658 return NT_STATUS_UNSUCCESSFUL;
4659 }
4660 talloc_autofree_ldapmsg(tmp_ctx, result);
4661
4662 num_result = ldap_count_entries(priv2ld(ldap_state), result);
4663
4664 if (num_result > 1) {
4665 DEBUG (0, ("ldapsam_create_user: More than one user with name [%s] ?!\n", name));
4666 return NT_STATUS_INTERNAL_DB_CORRUPTION;
4667 }
4668
4669 if (num_result == 1) {
4670 char *tmp;
4671 /* check if it is just a posix account.
4672 * or if there is a sid attached to this entry
4673 */
4674
4675 entry = ldap_first_entry(priv2ld(ldap_state), result);
4676 if (!entry) {
4677 return NT_STATUS_UNSUCCESSFUL;
4678 }
4679
4680 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "sambaSID", tmp_ctx);
4681 if (tmp) {
4682 DEBUG (1, ("ldapsam_create_user: The user [%s] already exist!\n", name));
4683 return NT_STATUS_USER_EXISTS;
4684 }
4685
4686 /* it is just a posix account, retrieve the dn for later use */
4687 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
4688 if (!dn) {
4689 DEBUG(0,("ldapsam_create_user: Out of memory!\n"));
4690 return NT_STATUS_NO_MEMORY;
4691 }
4692 }
4693
4694 if (num_result == 0) {
4695 add_posix = True;
4696 }
4697
4698 /* Create the basic samu structure and generate the mods for the ldap commit */
4699 if (!NT_STATUS_IS_OK((ret = ldapsam_new_rid_internal(my_methods, rid)))) {
4700 DEBUG(1, ("ldapsam_create_user: Could not allocate a new RID\n"));
4701 return ret;
4702 }
4703
4704 sid_compose(&user_sid, get_global_sam_sid(), *rid);
4705
4706 user = samu_new(tmp_ctx);
4707 if (!user) {
4708 DEBUG(1,("ldapsam_create_user: Unable to allocate user struct\n"));
4709 return NT_STATUS_NO_MEMORY;
4710 }
4711
4712 if (!pdb_set_username(user, name, PDB_SET)) {
4713 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
4714 return NT_STATUS_UNSUCCESSFUL;
4715 }
4716 if (!pdb_set_domain(user, get_global_sam_name(), PDB_SET)) {
4717 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
4718 return NT_STATUS_UNSUCCESSFUL;
4719 }
4720 if (is_machine) {
4721 if (acb_info & ACB_NORMAL) {
4722 if (!pdb_set_acct_ctrl(user, ACB_WSTRUST, PDB_SET)) {
4723 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
4724 return NT_STATUS_UNSUCCESSFUL;
4725 }
4726 } else {
4727 if (!pdb_set_acct_ctrl(user, acb_info, PDB_SET)) {
4728 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
4729 return NT_STATUS_UNSUCCESSFUL;
4730 }
4731 }
4732 } else {
4733 if (!pdb_set_acct_ctrl(user, ACB_NORMAL | ACB_DISABLED, PDB_SET)) {
4734 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
4735 return NT_STATUS_UNSUCCESSFUL;
4736 }
4737 }
4738
4739 if (!pdb_set_user_sid(user, &user_sid, PDB_SET)) {
4740 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
4741 return NT_STATUS_UNSUCCESSFUL;
4742 }
4743
4744 if (!init_ldap_from_sam(ldap_state, NULL, &mods, user, element_is_set_or_changed)) {
4745 DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
4746 return NT_STATUS_UNSUCCESSFUL;
4747 }
4748
4749 if (ldap_state->schema_ver != SCHEMAVER_SAMBASAMACCOUNT) {
4750 DEBUG(1,("ldapsam_create_user: Unsupported schema version\n"));
4751 }
4752 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_SAMBASAMACCOUNT);
4753
4754 if (add_posix) {
4755 DEBUG(3,("ldapsam_create_user: Creating new posix user\n"));
4756
4757 /* retrieve the Domain Users group gid */
4758 if (!sid_compose(&group_sid, get_global_sam_sid(), DOMAIN_GROUP_RID_USERS) ||
4759 !sid_to_gid(&group_sid, &gid)) {
4760 DEBUG (0, ("ldapsam_create_user: Unable to get the Domain Users gid: bailing out!\n"));
4761 return NT_STATUS_INVALID_PRIMARY_GROUP;
4762 }
4763
4764 /* lets allocate a new userid for this user */
4765 if (!winbind_allocate_uid(&uid)) {
4766 DEBUG (0, ("ldapsam_create_user: Unable to allocate a new user id: bailing out!\n"));
4767 return NT_STATUS_UNSUCCESSFUL;
4768 }
4769
4770
4771 if (is_machine) {
4772 /* TODO: choose a more appropriate default for machines */
4773 homedir = talloc_sub_specified(tmp_ctx, lp_template_homedir(), "SMB_workstations_home", ldap_state->domain_name, uid, gid);
4774 shell = talloc_strdup(tmp_ctx, "/bin/false");
4775 } else {
4776 homedir = talloc_sub_specified(tmp_ctx, lp_template_homedir(), name, ldap_state->domain_name, uid, gid);
4777 shell = talloc_sub_specified(tmp_ctx, lp_template_shell(), name, ldap_state->domain_name, uid, gid);
4778 }
4779 uidstr = talloc_asprintf(tmp_ctx, "%d", uid);
4780 gidstr = talloc_asprintf(tmp_ctx, "%d", gid);
4781 if (is_machine) {
4782 dn = talloc_asprintf(tmp_ctx, "uid=%s,%s", name, lp_ldap_machine_suffix ());
4783 } else {
4784 dn = talloc_asprintf(tmp_ctx, "uid=%s,%s", name, lp_ldap_user_suffix ());
4785 }
4786
4787 if (!homedir || !shell || !uidstr || !gidstr || !dn) {
4788 DEBUG (0, ("ldapsam_create_user: Out of memory!\n"));
4789 return NT_STATUS_NO_MEMORY;
4790 }
4791
4792 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_ACCOUNT);
4793 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_POSIXACCOUNT);
4794 smbldap_set_mod(&mods, LDAP_MOD_ADD, "cn", name);
4795 smbldap_set_mod(&mods, LDAP_MOD_ADD, "uidNumber", uidstr);
4796 smbldap_set_mod(&mods, LDAP_MOD_ADD, "gidNumber", gidstr);
4797 smbldap_set_mod(&mods, LDAP_MOD_ADD, "homeDirectory", homedir);
4798 smbldap_set_mod(&mods, LDAP_MOD_ADD, "loginShell", shell);
4799 }
4800
4801 talloc_autofree_ldapmod(tmp_ctx, mods);
4802
4803 if (add_posix) {
4804 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
4805 } else {
4806 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
4807 }
4808
4809 if (rc != LDAP_SUCCESS) {
4810 DEBUG(0,("ldapsam_create_user: failed to create a new user [%s] (dn = %s)\n", name ,dn));
4811 return NT_STATUS_UNSUCCESSFUL;
4812 }
4813
4814 DEBUG(2,("ldapsam_create_user: added account [%s] in the LDAP database\n", name));
4815
4816 flush_pwnam_cache();
4817
4818 return NT_STATUS_OK;
4819 }
4820
4821 static NTSTATUS ldapsam_delete_user(struct pdb_methods *my_methods, TALLOC_CTX *tmp_ctx, struct samu *sam_acct)
4822 {
4823 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
4824 LDAPMessage *result = NULL;
4825 LDAPMessage *entry = NULL;
4826 int num_result;
4827 const char *dn;
4828 char *filter;
4829 int rc;
4830
4831 DEBUG(0,("ldapsam_delete_user: Attempt to delete user [%s]\n", pdb_get_username(sam_acct)));
4832
4833 filter = talloc_asprintf(tmp_ctx,
4834 "(&(uid=%s)"
4835 "(objectClass=%s)"
4836 "(objectClass=%s))",
4837 pdb_get_username(sam_acct),
4838 LDAP_OBJ_POSIXACCOUNT,
4839 LDAP_OBJ_SAMBASAMACCOUNT);
4840 if (filter == NULL) {
4841 return NT_STATUS_NO_MEMORY;
4842 }
4843
4844 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
4845 if (rc != LDAP_SUCCESS) {
4846 DEBUG(0,("ldapsam_delete_user: user search failed!\n"));
4847 return NT_STATUS_UNSUCCESSFUL;
4848 }
4849 talloc_autofree_ldapmsg(tmp_ctx, result);
4850
4851 num_result = ldap_count_entries(priv2ld(ldap_state), result);
4852
4853 if (num_result == 0) {
4854 DEBUG(0,("ldapsam_delete_user: user not found!\n"));
4855 return NT_STATUS_NO_SUCH_USER;
4856 }
4857
4858 if (num_result > 1) {
4859 DEBUG (0, ("ldapsam_delete_user: More than one user with name [%s] ?!\n", pdb_get_username(sam_acct)));
4860 return NT_STATUS_INTERNAL_DB_CORRUPTION;
4861 }
4862
4863 entry = ldap_first_entry(priv2ld(ldap_state), result);
4864 if (!entry) {
4865 return NT_STATUS_UNSUCCESSFUL;
4866 }
4867
4868 /* it is just a posix account, retrieve the dn for later use */
4869 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
4870 if (!dn) {
4871 DEBUG(0,("ldapsam_delete_user: Out of memory!\n"));
4872 return NT_STATUS_NO_MEMORY;
4873 }
4874
4875 rc = smbldap_delete(ldap_state->smbldap_state, dn);
4876 if (rc != LDAP_SUCCESS) {
4877 return NT_STATUS_UNSUCCESSFUL;
4878 }
4879
4880 flush_pwnam_cache();
4881
4882 return NT_STATUS_OK;
4883 }
4884
4885 /*
4886 * ldapsam_create_group creates a new
4887 * posixGroup and sambaGroupMapping object
4888 * in the ldap groups subtree
4889 *
4890 * The gid is allocated by winbindd.
4891 */
4892
4893 static NTSTATUS ldapsam_create_dom_group(struct pdb_methods *my_methods,
4894 TALLOC_CTX *tmp_ctx,
4895 const char *name,
4896 uint32 *rid)
4897 {
4898 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
4899 NTSTATUS ret;
4900 LDAPMessage *entry = NULL;
4901 LDAPMessage *result = NULL;
4902 uint32 num_result;
4903 BOOL is_new_entry = False;
4904 LDAPMod **mods = NULL;
4905 char *filter;
4906 char *groupsidstr;
4907 char *groupname;
4908 char *grouptype;
4909 char *gidstr;
4910 const char *dn = NULL;
4911 DOM_SID group_sid;
4912 gid_t gid = -1;
4913 int rc;
4914
4915 groupname = escape_ldap_string_alloc(name);
4916 filter = talloc_asprintf(tmp_ctx, "(&(cn=%s)(objectClass=%s))",
4917 groupname, LDAP_OBJ_POSIXGROUP);
4918 SAFE_FREE(groupname);
4919
4920 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
4921 if (rc != LDAP_SUCCESS) {
4922 DEBUG(0,("ldapsam_create_group: ldap search failed!\n"));
4923 return NT_STATUS_UNSUCCESSFUL;
4924 }
4925 talloc_autofree_ldapmsg(tmp_ctx, result);
4926
4927 num_result = ldap_count_entries(priv2ld(ldap_state), result);
4928
4929 if (num_result > 1) {
4930 DEBUG (0, ("ldapsam_create_group: There exists more than one group with name [%s]: bailing out!\n", name));
4931 return NT_STATUS_INTERNAL_DB_CORRUPTION;
4932 }
4933
4934 if (num_result == 1) {
4935 char *tmp;
4936 /* check if it is just a posix group.
4937 * or if there is a sid attached to this entry
4938 */
4939
4940 entry = ldap_first_entry(priv2ld(ldap_state), result);
4941 if (!entry) {
4942 return NT_STATUS_UNSUCCESSFUL;
4943 }
4944
4945 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "sambaSID", tmp_ctx);
4946 if (tmp) {
4947 DEBUG (1, ("ldapsam_create_group: The group [%s] already exist!\n", name));
4948 return NT_STATUS_GROUP_EXISTS;
4949 }
4950
4951 /* it is just a posix group, retrieve the gid and the dn for later use */
4952 tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
4953 if (!tmp) {
4954 DEBUG (1, ("ldapsam_create_group: Couldn't retrieve the gidNumber for [%s]?!?!\n", name));
4955 return NT_STATUS_INTERNAL_DB_CORRUPTION;
4956 }
4957
4958 gid = strtoul(tmp, NULL, 10);
4959
4960 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
4961 if (!dn) {
4962 DEBUG(0,("ldapsam_create_group: Out of memory!\n"));
4963 return NT_STATUS_NO_MEMORY;
4964 }
4965 }
4966
4967 if (num_result == 0) {
4968 DEBUG(3,("ldapsam_create_user: Creating new posix group\n"));
4969
4970 is_new_entry = True;
4971
4972 /* lets allocate a new groupid for this group */
4973 if (!winbind_allocate_gid(&gid)) {
4974 DEBUG (0, ("ldapsam_create_group: Unable to allocate a new group id: bailing out!\n"));
4975 return NT_STATUS_UNSUCCESSFUL;
4976 }
4977
4978 gidstr = talloc_asprintf(tmp_ctx, "%d", gid);
4979 dn = talloc_asprintf(tmp_ctx, "cn=%s,%s", name, lp_ldap_group_suffix());
4980
4981 if (!gidstr || !dn) {
4982 DEBUG (0, ("ldapsam_create_group: Out of memory!\n"));
4983 return NT_STATUS_NO_MEMORY;
4984 }
4985
4986 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_POSIXGROUP);
4987 smbldap_set_mod(&mods, LDAP_MOD_ADD, "cn", name);
4988 smbldap_set_mod(&mods, LDAP_MOD_ADD, "gidNumber", gidstr);
4989 }
4990
4991 if (!NT_STATUS_IS_OK((ret = ldapsam_new_rid_internal(my_methods, rid)))) {
4992 DEBUG(1, ("ldapsam_create_group: Could not allocate a new RID\n"));
4993 return ret;
4994 }
4995
4996 sid_compose(&group_sid, get_global_sam_sid(), *rid);
4997
4998 groupsidstr = talloc_strdup(tmp_ctx, sid_string_static(&group_sid));
4999 grouptype = talloc_asprintf(tmp_ctx, "%d", SID_NAME_DOM_GRP);
5000
5001 if (!groupsidstr || !grouptype) {
5002 DEBUG(0,("ldapsam_create_group: Out of memory!\n"));
5003 return NT_STATUS_NO_MEMORY;
5004 }
5005
5006 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_GROUPMAP);
5007 smbldap_set_mod(&mods, LDAP_MOD_ADD, "sambaSid", groupsidstr);
5008 smbldap_set_mod(&mods, LDAP_MOD_ADD, "sambaGroupType", grouptype);
5009 smbldap_set_mod(&mods, LDAP_MOD_ADD, "displayName", name);
5010 talloc_autofree_ldapmod(tmp_ctx, mods);
5011
5012 if (is_new_entry) {
5013 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5014 #if 0
5015 if (rc == LDAP_OBJECT_CLASS_VIOLATION) {
5016 /* This call may fail with rfc2307bis schema */
5017 /* Retry adding a structural class */
5018 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", "????");
5019 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5020 }
5021 #endif
5022 } else {
5023 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5024 }
5025
5026 if (rc != LDAP_SUCCESS) {
5027 DEBUG(0,("ldapsam_create_group: failed to create a new group [%s] (dn = %s)\n", name ,dn));
5028 return NT_STATUS_UNSUCCESSFUL;
5029 }
5030
5031 DEBUG(2,("ldapsam_create_group: added group [%s] in the LDAP database\n", name));
5032
5033 return NT_STATUS_OK;
5034 }
5035
5036 static NTSTATUS ldapsam_delete_dom_group(struct pdb_methods *my_methods, TALLOC_CTX *tmp_ctx, uint32 rid)
5037 {
5038 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5039 LDAPMessage *result = NULL;
5040 LDAPMessage *entry = NULL;
5041 int num_result;
5042 const char *dn;
5043 char *gidstr;
5044 char *filter;
5045 DOM_SID group_sid;
5046 int rc;
5047
5048 /* get the group sid */
5049 sid_compose(&group_sid, get_global_sam_sid(), rid);
5050
5051 filter = talloc_asprintf(tmp_ctx,
5052 "(&(sambaSID=%s)"
5053 "(objectClass=%s)"
5054 "(objectClass=%s))",
5055 sid_string_static(&group_sid),
5056 LDAP_OBJ_POSIXGROUP,
5057 LDAP_OBJ_GROUPMAP);
5058 if (filter == NULL) {
5059 return NT_STATUS_NO_MEMORY;
5060 }
5061
5062 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5063 if (rc != LDAP_SUCCESS) {
5064 DEBUG(1,("ldapsam_delete_dom_group: group search failed!\n"));
5065 return NT_STATUS_UNSUCCESSFUL;
5066 }
5067 talloc_autofree_ldapmsg(tmp_ctx, result);
5068
5069 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5070
5071 if (num_result == 0) {
5072 DEBUG(1,("ldapsam_delete_dom_group: group not found!\n"));
5073 return NT_STATUS_NO_SUCH_GROUP;
5074 }
5075
5076 if (num_result > 1) {
5077 DEBUG (0, ("ldapsam_delete_dom_group: More than one group with the same SID ?!\n"));
5078 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5079 }
5080
5081 entry = ldap_first_entry(priv2ld(ldap_state), result);
5082 if (!entry) {
5083 return NT_STATUS_UNSUCCESSFUL;
5084 }
5085
5086 /* here it is, retrieve the dn for later use */
5087 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5088 if (!dn) {
5089 DEBUG(0,("ldapsam_delete_dom_group: Out of memory!\n"));
5090 return NT_STATUS_NO_MEMORY;
5091 }
5092
5093 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5094 if (!gidstr) {
5095 DEBUG (0, ("ldapsam_delete_dom_group: Unable to find the group's gid!\n"));
5096 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5097 }
5098
5099 /* check no user have this group marked as primary group */
5100 filter = talloc_asprintf(tmp_ctx,
5101 "(&(gidNumber=%s)"
5102 "(objectClass=%s)"
5103 "(objectClass=%s))",
5104 gidstr,
5105 LDAP_OBJ_POSIXACCOUNT,
5106 LDAP_OBJ_SAMBASAMACCOUNT);
5107
5108 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5109 if (rc != LDAP_SUCCESS) {
5110 DEBUG(1,("ldapsam_delete_dom_group: accounts search failed!\n"));
5111 return NT_STATUS_UNSUCCESSFUL;
5112 }
5113 talloc_autofree_ldapmsg(tmp_ctx, result);
5114
5115 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5116
5117 if (num_result != 0) {
5118 DEBUG(3,("ldapsam_delete_dom_group: Can't delete group, it is a primary group for %d users\n", num_result));
5119 return NT_STATUS_MEMBERS_PRIMARY_GROUP;
5120 }
5121
5122 rc = smbldap_delete(ldap_state->smbldap_state, dn);
5123 if (rc != LDAP_SUCCESS) {
5124 return NT_STATUS_UNSUCCESSFUL;
5125 }
5126
5127 return NT_STATUS_OK;
5128 }
5129
5130 static NTSTATUS ldapsam_change_groupmem(struct pdb_methods *my_methods,
5131 TALLOC_CTX *tmp_ctx,
5132 uint32 group_rid,
5133 uint32 member_rid,
5134 int modop)
5135 {
5136 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5137 LDAPMessage *entry = NULL;
5138 LDAPMessage *result = NULL;
5139 uint32 num_result;
5140 LDAPMod **mods = NULL;
5141 char *filter;
5142 char *uidstr;
5143 const char *dn = NULL;
5144 DOM_SID group_sid;
5145 DOM_SID member_sid;
5146 int rc;
5147
5148 switch (modop) {
5149 case LDAP_MOD_ADD:
5150 DEBUG(1,("ldapsam_change_groupmem: add new member(rid=%d) to a domain group(rid=%d)", member_rid, group_rid));
5151 break;
5152 case LDAP_MOD_DELETE:
5153 DEBUG(1,("ldapsam_change_groupmem: delete member(rid=%d) from a domain group(rid=%d)", member_rid, group_rid));
5154 break;
5155 default:
5156 return NT_STATUS_UNSUCCESSFUL;
5157 }
5158
5159 /* get member sid */
5160 sid_compose(&member_sid, get_global_sam_sid(), member_rid);
5161
5162 /* get the group sid */
5163 sid_compose(&group_sid, get_global_sam_sid(), group_rid);
5164
5165 filter = talloc_asprintf(tmp_ctx,
5166 "(&(sambaSID=%s)"
5167 "(objectClass=%s)"
5168 "(objectClass=%s))",
5169 sid_string_static(&member_sid),
5170 LDAP_OBJ_POSIXACCOUNT,
5171 LDAP_OBJ_SAMBASAMACCOUNT);
5172 if (filter == NULL) {
5173 return NT_STATUS_NO_MEMORY;
5174 }
5175
5176 /* get the member uid */
5177 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5178 if (rc != LDAP_SUCCESS) {
5179 DEBUG(1,("ldapsam_change_groupmem: member search failed!\n"));
5180 return NT_STATUS_UNSUCCESSFUL;
5181 }
5182 talloc_autofree_ldapmsg(tmp_ctx, result);
5183
5184 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5185
5186 if (num_result == 0) {
5187 DEBUG(1,("ldapsam_change_groupmem: member not found!\n"));
5188 return NT_STATUS_NO_SUCH_MEMBER;
5189 }
5190
5191 if (num_result > 1) {
5192 DEBUG (0, ("ldapsam_change_groupmem: More than one account with the same SID ?!\n"));
5193 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5194 }
5195
5196 entry = ldap_first_entry(priv2ld(ldap_state), result);
5197 if (!entry) {
5198 return NT_STATUS_UNSUCCESSFUL;
5199 }
5200
5201 if (modop == LDAP_MOD_DELETE) {
5202 /* check if we are trying to remove the member from his primary group */
5203 char *gidstr;
5204 gid_t user_gid, group_gid;
5205
5206 gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5207 if (!gidstr) {
5208 DEBUG (0, ("ldapsam_change_groupmem: Unable to find the member's gid!\n"));
5209 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5210 }
5211
5212 user_gid = strtoul(gidstr, NULL, 10);
5213
5214 if (!sid_to_gid(&group_sid, &group_gid)) {
5215 DEBUG (0, ("ldapsam_change_groupmem: Unable to get group gid from SID!\n"));
5216 return NT_STATUS_UNSUCCESSFUL;
5217 }
5218
5219 if (user_gid == group_gid) {
5220 DEBUG (3, ("ldapsam_change_groupmem: can't remove user from it's own primary group!\n"));
5221 return NT_STATUS_MEMBERS_PRIMARY_GROUP;
5222 }
5223 }
5224
5225 /* here it is, retrieve the uid for later use */
5226 uidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "uid", tmp_ctx);
5227 if (!uidstr) {
5228 DEBUG (0, ("ldapsam_change_groupmem: Unable to find the member's name!\n"));
5229 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5230 }
5231
5232 filter = talloc_asprintf(tmp_ctx,
5233 "(&(sambaSID=%s)"
5234 "(objectClass=%s)"
5235 "(objectClass=%s))",
5236 sid_string_static(&group_sid),
5237 LDAP_OBJ_POSIXGROUP,
5238 LDAP_OBJ_GROUPMAP);
5239
5240 /* get the group */
5241 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5242 if (rc != LDAP_SUCCESS) {
5243 DEBUG(1,("ldapsam_change_groupmem: group search failed!\n"));
5244 return NT_STATUS_UNSUCCESSFUL;
5245 }
5246 talloc_autofree_ldapmsg(tmp_ctx, result);
5247
5248 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5249
5250 if (num_result == 0) {
5251 DEBUG(1,("ldapsam_change_groupmem: group not found!\n"));
5252 return NT_STATUS_NO_SUCH_GROUP;
5253 }
5254
5255 if (num_result > 1) {
5256 DEBUG (0, ("ldapsam_change_groupmem: More than one group with the same SID ?!\n"));
5257 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5258 }
5259
5260 entry = ldap_first_entry(priv2ld(ldap_state), result);
5261 if (!entry) {
5262 return NT_STATUS_UNSUCCESSFUL;
5263 }
5264
5265 /* here it is, retrieve the dn for later use */
5266 dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5267 if (!dn) {
5268 DEBUG(0,("ldapsam_change_groupmem: Out of memory!\n"));
5269 return NT_STATUS_NO_MEMORY;
5270 }
5271
5272 smbldap_set_mod(&mods, modop, "memberUid", uidstr);
5273
5274 talloc_autofree_ldapmod(tmp_ctx, mods);
5275
5276 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5277 if (rc != LDAP_SUCCESS) {
5278 if (rc == LDAP_TYPE_OR_VALUE_EXISTS && modop == LDAP_MOD_ADD) {
5279 DEBUG(1,("ldapsam_change_groupmem: member is already in group, add failed!\n"));
5280 return NT_STATUS_MEMBER_IN_GROUP;
5281 }
5282 if (rc == LDAP_NO_SUCH_ATTRIBUTE && modop == LDAP_MOD_DELETE) {
5283 DEBUG(1,("ldapsam_change_groupmem: member is not in group, delete failed!\n"));
5284 return NT_STATUS_MEMBER_NOT_IN_GROUP;
5285 }
5286 return NT_STATUS_UNSUCCESSFUL;
5287 }
5288
5289 return NT_STATUS_OK;
5290 }
5291
5292 static NTSTATUS ldapsam_add_groupmem(struct pdb_methods *my_methods,
5293 TALLOC_CTX *tmp_ctx,
5294 uint32 group_rid,
5295 uint32 member_rid)
5296 {
5297 return ldapsam_change_groupmem(my_methods, tmp_ctx, group_rid, member_rid, LDAP_MOD_ADD);
5298 }
5299 static NTSTATUS ldapsam_del_groupmem(struct pdb_methods *my_methods,
5300 TALLOC_CTX *tmp_ctx,
5301 uint32 group_rid,
5302 uint32 member_rid)
5303 {
5304 return ldapsam_change_groupmem(my_methods, tmp_ctx, group_rid, member_rid, LDAP_MOD_DELETE);
5305 }
5306
5307 static NTSTATUS ldapsam_set_primary_group(struct pdb_methods *my_methods,
5308 TALLOC_CTX *mem_ctx,
5309 struct samu *sampass)
5310 {
5311 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
5312 LDAPMessage *entry = NULL;
5313 LDAPMessage *result = NULL;
5314 uint32 num_result;
5315 LDAPMod **mods = NULL;
5316 char *filter;
5317 char *gidstr;
5318 const char *dn = NULL;
5319 gid_t gid;
5320 int rc;
5321
5322 DEBUG(0,("ldapsam_set_primary_group: Attempt to set primary group for user [%s]\n", pdb_get_username(sampass)));
5323
5324 if (!sid_to_gid(pdb_get_group_sid(sampass), &gid)) {
5325 DEBUG(0,("ldapsam_set_primary_group: failed to retieve gid from user's group SID!\n"));
5326 return NT_STATUS_UNSUCCESSFUL;
5327 }
5328 gidstr = talloc_asprintf(mem_ctx, "%d", gid);
5329 if (!gidstr) {
5330 DEBUG(0,("ldapsam_set_primary_group: Out of Memory!\n"));
5331 return NT_STATUS_NO_MEMORY;
5332 }
5333
5334 filter = talloc_asprintf(mem_ctx,
5335 "(&(uid=%s)"
5336 "(objectClass=%s)"
5337 "(objectClass=%s))",
5338 pdb_get_username(sampass),
5339 LDAP_OBJ_POSIXACCOUNT,
5340 LDAP_OBJ_SAMBASAMACCOUNT);
5341 if (filter == NULL) {
5342 return NT_STATUS_NO_MEMORY;
5343 }
5344
5345 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5346 if (rc != LDAP_SUCCESS) {
5347 DEBUG(0,("ldapsam_set_primary_group: user search failed!\n"));
5348 return NT_STATUS_UNSUCCESSFUL;
5349 }
5350 talloc_autofree_ldapmsg(mem_ctx, result);
5351
5352 num_result = ldap_count_entries(priv2ld(ldap_state), result);
5353
5354 if (num_result == 0) {
5355 DEBUG(0,("ldapsam_set_primary_group: user not found!\n"));
5356 return NT_STATUS_NO_SUCH_USER;
5357 }
5358
5359 if (num_result > 1) {
5360 DEBUG (0, ("ldapsam_set_primary_group: More than one user with name [%s] ?!\n", pdb_get_username(sampass)));
5361 return NT_STATUS_INTERNAL_DB_CORRUPTION;
5362 }
5363
5364 entry = ldap_first_entry(priv2ld(ldap_state), result);
5365 if (!entry) {
5366 return NT_STATUS_UNSUCCESSFUL;
5367 }
5368
5369 /* retrieve the dn for later use */
5370 dn = smbldap_talloc_dn(mem_ctx, priv2ld(ldap_state), entry);
5371 if (!dn) {
5372 DEBUG(0,("ldapsam_set_primary_group: Out of memory!\n"));
5373 return NT_STATUS_NO_MEMORY;
5374 }
5375
5376 /* remove the old one, and add the new one, this way we do not risk races */
5377 smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "gidNumber", gidstr);
5378
5379 if (mods == NULL) {
5380 return NT_STATUS_OK;
5381 }
5382
5383 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5384
5385 if (rc != LDAP_SUCCESS) {
5386 DEBUG(0,("ldapsam_set_primary_group: failed to modify [%s] primary group to [%s]\n",
5387 pdb_get_username(sampass), gidstr));
5388 return NT_STATUS_UNSUCCESSFUL;
5389 }
5390
5391 flush_pwnam_cache();
5392
5393 return NT_STATUS_OK;
5394 }
5395
5396 /**********************************************************************
5397 Housekeeping
5398 *********************************************************************/
5399
5400 static void free_private_data(void **vp)
5401 {
5402 struct ldapsam_privates **ldap_state = (struct ldapsam_privates **)vp;
5403
5404 smbldap_free_struct(&(*ldap_state)->smbldap_state);
5405
5406 if ((*ldap_state)->result != NULL) {
5407 ldap_msgfree((*ldap_state)->result);
5408 (*ldap_state)->result = NULL;
5409 }
5410 if ((*ldap_state)->domain_dn != NULL) {
5411 SAFE_FREE((*ldap_state)->domain_dn);
5412 }
5413
5414 *ldap_state = NULL;
5415
5416 /* No need to free any further, as it is talloc()ed */
5417 }
5418
5419 /*********************************************************************
5420 Intitalise the parts of the pdb_methods structure that are common to
5421 all pdb_ldap modes
5422 *********************************************************************/
5423
5424 static NTSTATUS pdb_init_ldapsam_common(struct pdb_methods **pdb_method, const char *location)
5425 {
5426 NTSTATUS nt_status;
5427 struct ldapsam_privates *ldap_state;
5428
5429 if (!NT_STATUS_IS_OK(nt_status = make_pdb_method( pdb_method ))) {
5430 return nt_status;
5431 }
5432
5433 (*pdb_method)->name = "ldapsam";
5434
5435 (*pdb_method)->setsampwent = ldapsam_setsampwent;
5436 (*pdb_method)->endsampwent = ldapsam_endsampwent;
5437 (*pdb_method)->getsampwent = ldapsam_getsampwent;
5438 (*pdb_method)->getsampwnam = ldapsam_getsampwnam;
5439 (*pdb_method)->getsampwsid = ldapsam_getsampwsid;
5440 (*pdb_method)->add_sam_account = ldapsam_add_sam_account;
5441 (*pdb_method)->update_sam_account = ldapsam_update_sam_account;
5442 (*pdb_method)->delete_sam_account = ldapsam_delete_sam_account;
5443 (*pdb_method)->rename_sam_account = ldapsam_rename_sam_account;
5444
5445 (*pdb_method)->getgrsid = ldapsam_getgrsid;
5446 (*pdb_method)->getgrgid = ldapsam_getgrgid;
5447 (*pdb_method)->getgrnam = ldapsam_getgrnam;
5448 (*pdb_method)->add_group_mapping_entry = ldapsam_add_group_mapping_entry;
5449 (*pdb_method)->update_group_mapping_entry = ldapsam_update_group_mapping_entry;
5450 (*pdb_method)->delete_group_mapping_entry = ldapsam_delete_group_mapping_entry;
5451 (*pdb_method)->enum_group_mapping = ldapsam_enum_group_mapping;
5452
5453 (*pdb_method)->get_account_policy = ldapsam_get_account_policy;
5454 (*pdb_method)->set_account_policy = ldapsam_set_account_policy;
5455
5456 (*pdb_method)->get_seq_num = ldapsam_get_seq_num;
5457
5458 (*pdb_method)->rid_algorithm = ldapsam_rid_algorithm;
5459 (*pdb_method)->new_rid = ldapsam_new_rid;
5460
5461 /* TODO: Setup private data and free */
5462
5463 if ( !(ldap_state = TALLOC_ZERO_P(*pdb_method, struct ldapsam_privates)) ) {
5464 DEBUG(0, ("pdb_init_ldapsam_common: talloc() failed for ldapsam private_data!\n"));
5465 return NT_STATUS_NO_MEMORY;
5466 }
5467
5468 nt_status = smbldap_init(*pdb_method, location, &ldap_state->smbldap_state);
5469
5470 if ( !NT_STATUS_IS_OK(nt_status) ) {
5471 return nt_status;
5472 }
5473
5474 if ( !(ldap_state->domain_name = talloc_strdup(*pdb_method, get_global_sam_name()) ) ) {
5475 return NT_STATUS_NO_MEMORY;
5476 }
5477
5478 (*pdb_method)->private_data = ldap_state;
5479
5480 (*pdb_method)->free_private_data = free_private_data;
5481
5482 return NT_STATUS_OK;
5483 }
5484
5485 /**********************************************************************
5486 Initialise the 'compat' mode for pdb_ldap
5487 *********************************************************************/
5488
5489 NTSTATUS pdb_init_ldapsam_compat(struct pdb_methods **pdb_method, const char *location)
5490 {
5491 NTSTATUS nt_status;
5492 struct ldapsam_privates *ldap_state;
5493 char *uri = talloc_strdup( NULL, location );
5494
5495 trim_char( uri, '\"', '\"' );
5496 nt_status = pdb_init_ldapsam_common( pdb_method, uri );
5497 if ( uri )
5498 TALLOC_FREE( uri );
5499
5500 if ( !NT_STATUS_IS_OK(nt_status) ) {
5501 return nt_status;
5502 }
5503
5504 (*pdb_method)->name = "ldapsam_compat";
5505
5506 ldap_state = (struct ldapsam_privates *)((*pdb_method)->private_data);
5507 ldap_state->schema_ver = SCHEMAVER_SAMBAACCOUNT;
5508
5509 sid_copy(&ldap_state->domain_sid, get_global_sam_sid());
5510
5511 return NT_STATUS_OK;
5512 }
5513
5514 /**********************************************************************
5515 Initialise the normal mode for pdb_ldap
5516 *********************************************************************/
5517
5518 NTSTATUS pdb_init_ldapsam(struct pdb_methods **pdb_method, const char *location)
5519 {
5520 NTSTATUS nt_status;
5521 struct ldapsam_privates *ldap_state;
5522 uint32 alg_rid_base;
5523 pstring alg_rid_base_string;
5524 LDAPMessage *result = NULL;
5525 LDAPMessage *entry = NULL;
5526 DOM_SID ldap_domain_sid;
5527 DOM_SID secrets_domain_sid;
5528 pstring domain_sid_string;
5529 char *dn;
5530 char *uri = talloc_strdup( NULL, location );
5531
5532 trim_char( uri, '\"', '\"' );
5533 nt_status = pdb_init_ldapsam_common(pdb_method, uri);
5534 if ( uri )
5535 TALLOC_FREE( uri );
5536
5537 if (!NT_STATUS_IS_OK(nt_status)) {
5538 return nt_status;
5539 }
5540
5541 (*pdb_method)->name = "ldapsam";
5542
5543 (*pdb_method)->add_aliasmem = ldapsam_add_aliasmem;
5544 (*pdb_method)->del_aliasmem = ldapsam_del_aliasmem;
5545 (*pdb_method)->enum_aliasmem = ldapsam_enum_aliasmem;
5546 (*pdb_method)->enum_alias_memberships = ldapsam_alias_memberships;
5547 (*pdb_method)->search_users = ldapsam_search_users;
5548 (*pdb_method)->search_groups = ldapsam_search_groups;
5549 (*pdb_method)->search_aliases = ldapsam_search_aliases;
5550
5551 if (lp_parm_bool(-1, "ldapsam", "trusted", False)) {
5552 (*pdb_method)->enum_group_members = ldapsam_enum_group_members;
5553 (*pdb_method)->enum_group_memberships =
5554 ldapsam_enum_group_memberships;
5555 (*pdb_method)->lookup_rids = ldapsam_lookup_rids;
5556 (*pdb_method)->sid_to_id = ldapsam_sid_to_id;
5557
5558 if (lp_parm_bool(-1, "ldapsam", "editposix", False)) {
5559 (*pdb_method)->create_user = ldapsam_create_user;
5560 (*pdb_method)->delete_user = ldapsam_delete_user;
5561 (*pdb_method)->create_dom_group = ldapsam_create_dom_group;
5562 (*pdb_method)->delete_dom_group = ldapsam_delete_dom_group;
5563 (*pdb_method)->add_groupmem = ldapsam_add_groupmem;
5564 (*pdb_method)->del_groupmem = ldapsam_del_groupmem;
5565 (*pdb_method)->set_unix_primary_group = ldapsam_set_primary_group;
5566 }
5567 }
5568
5569 ldap_state = (struct ldapsam_privates *)((*pdb_method)->private_data);
5570 ldap_state->schema_ver = SCHEMAVER_SAMBASAMACCOUNT;
5571
5572 /* Try to setup the Domain Name, Domain SID, algorithmic rid base */
5573
5574 nt_status = smbldap_search_domain_info(ldap_state->smbldap_state,
5575 &result,
5576 ldap_state->domain_name, True);
5577
5578 if ( !NT_STATUS_IS_OK(nt_status) ) {
5579 DEBUG(2, ("pdb_init_ldapsam: WARNING: Could not get domain "
5580 "info, nor add one to the domain\n"));
5581 DEBUGADD(2, ("pdb_init_ldapsam: Continuing on regardless, "
5582 "will be unable to allocate new users/groups, "
5583 "and will risk BDCs having inconsistant SIDs\n"));
5584 sid_copy(&ldap_state->domain_sid, get_global_sam_sid());
5585 return NT_STATUS_OK;
5586 }
5587
5588 /* Given that the above might fail, everything below this must be
5589 * optional */
5590
5591 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
5592 result);
5593 if (!entry) {
5594 DEBUG(0, ("pdb_init_ldapsam: Could not get domain info "
5595 "entry\n"));
5596 ldap_msgfree(result);
5597 return NT_STATUS_UNSUCCESSFUL;
5598 }
5599
5600 dn = smbldap_get_dn(ldap_state->smbldap_state->ldap_struct, entry);
5601 if (!dn) {
5602 return NT_STATUS_UNSUCCESSFUL;
5603 }
5604
5605 ldap_state->domain_dn = smb_xstrdup(dn);
5606 ldap_memfree(dn);
5607
5608 if (smbldap_get_single_pstring(
5609 ldap_state->smbldap_state->ldap_struct,
5610 entry,
5611 get_userattr_key2string(ldap_state->schema_ver,
5612 LDAP_ATTR_USER_SID),
5613 domain_sid_string)) {
5614 BOOL found_sid;
5615 if (!string_to_sid(&ldap_domain_sid, domain_sid_string)) {
5616 DEBUG(1, ("pdb_init_ldapsam: SID [%s] could not be "
5617 "read as a valid SID\n", domain_sid_string));
5618 return NT_STATUS_INVALID_PARAMETER;
5619 }
5620 found_sid = secrets_fetch_domain_sid(ldap_state->domain_name,
5621 &secrets_domain_sid);
5622 if (!found_sid || !sid_equal(&secrets_domain_sid,
5623 &ldap_domain_sid)) {
5624 fstring new_sid_str, old_sid_str;
5625 DEBUG(1, ("pdb_init_ldapsam: Resetting SID for domain "
5626 "%s based on pdb_ldap results %s -> %s\n",
5627 ldap_state->domain_name,
5628 sid_to_string(old_sid_str,
5629 &secrets_domain_sid),
5630 sid_to_string(new_sid_str,
5631 &ldap_domain_sid)));
5632
5633 /* reset secrets.tdb sid */
5634 secrets_store_domain_sid(ldap_state->domain_name,
5635 &ldap_domain_sid);
5636 DEBUG(1, ("New global sam SID: %s\n",
5637 sid_to_string(new_sid_str,
5638 get_global_sam_sid())));
5639 }
5640 sid_copy(&ldap_state->domain_sid, &ldap_domain_sid);
5641 }
5642
5643 if (smbldap_get_single_pstring(
5644 ldap_state->smbldap_state->ldap_struct,
5645 entry,
5646 get_attr_key2string( dominfo_attr_list,
5647 LDAP_ATTR_ALGORITHMIC_RID_BASE ),
5648 alg_rid_base_string)) {
5649 alg_rid_base = (uint32)atol(alg_rid_base_string);
5650 if (alg_rid_base != algorithmic_rid_base()) {
5651 DEBUG(0, ("The value of 'algorithmic RID base' has "
5652 "changed since the LDAP\n"
5653 "database was initialised. Aborting. \n"));
5654 ldap_msgfree(result);
5655 return NT_STATUS_UNSUCCESSFUL;
5656 }
5657 }
5658 ldap_msgfree(result);
5659
5660 return NT_STATUS_OK;
5661 }
5662
5663 NTSTATUS pdb_ldap_init(void)
5664 {
5665 NTSTATUS nt_status;
5666 if (!NT_STATUS_IS_OK(nt_status = smb_register_passdb(PASSDB_INTERFACE_VERSION, "ldapsam", pdb_init_ldapsam)))
5667 return nt_status;
5668
5669 if (!NT_STATUS_IS_OK(nt_status = smb_register_passdb(PASSDB_INTERFACE_VERSION, "ldapsam_compat", pdb_init_ldapsam_compat)))
5670 return nt_status;
5671
5672 /* Let pdb_nds register backends */
5673 pdb_nds_init();
5674
5675 return NT_STATUS_OK;
5676 }