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r13601: * Remove unused code from pdb_ldap.c
[Samba.git] / source / passdb / pdb_ldap.c
blob89b958e915f6ba5fae5df35d37df6f0a4200c20f
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
10 This program is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 2 of the License, or
13 (at your option) any later version.
14
15 This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
19
20 You should have received a copy of the GNU General Public License
21 along with this program; if not, write to the Free Software
22 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23
24 */
25
26 /* TODO:
27 * persistent connections: if using NSS LDAP, many connections are made
28 * however, using only one within Samba would be nice
29 *
30 * Clean up SSL stuff, compile on OpenLDAP 1.x, 2.x, and Netscape SDK
31 *
32 * Other LDAP based login attributes: accountExpires, etc.
33 * (should be the domain of Samba proper, but the sam_password/struct samu
34 * structures don't have fields for some of these attributes)
35 *
36 * SSL is done, but can't get the certificate based authentication to work
37 * against on my test platform (Linux 2.4, OpenLDAP 2.x)
38 */
39
40 /* NOTE: this will NOT work against an Active Directory server
41 * due to the fact that the two password fields cannot be retrieved
42 * from a server; recommend using security = domain in this situation
43 * and/or winbind
44 */
45
46 #include "includes.h"
47
48 #undef DBGC_CLASS
49 #define DBGC_CLASS DBGC_PASSDB
50
51 #include <lber.h>
52 #include <ldap.h>
53
54 /*
55 * Work around versions of the LDAP client libs that don't have the OIDs
56 * defined, or have them defined under the old name.
57 * This functionality is really a factor of the server, not the client
58 *
59 */
60
61 #if defined(LDAP_EXOP_X_MODIFY_PASSWD) && !defined(LDAP_EXOP_MODIFY_PASSWD)
62 #define LDAP_EXOP_MODIFY_PASSWD LDAP_EXOP_X_MODIFY_PASSWD
63 #elif !defined(LDAP_EXOP_MODIFY_PASSWD)
64 #define LDAP_EXOP_MODIFY_PASSWD "1.3.6.1.4.1.4203.1.11.1"
65 #endif
66
67 #if defined(LDAP_EXOP_X_MODIFY_PASSWD_ID) && !defined(LDAP_EXOP_MODIFY_PASSWD_ID)
68 #define LDAP_TAG_EXOP_MODIFY_PASSWD_ID LDAP_EXOP_X_MODIFY_PASSWD_ID
69 #elif !defined(LDAP_EXOP_MODIFY_PASSWD_ID)
70 #define LDAP_TAG_EXOP_MODIFY_PASSWD_ID ((ber_tag_t) 0x80U)
71 #endif
72
73 #if defined(LDAP_EXOP_X_MODIFY_PASSWD_NEW) && !defined(LDAP_EXOP_MODIFY_PASSWD_NEW)
74 #define LDAP_TAG_EXOP_MODIFY_PASSWD_NEW LDAP_EXOP_X_MODIFY_PASSWD_NEW
75 #elif !defined(LDAP_EXOP_MODIFY_PASSWD_NEW)
76 #define LDAP_TAG_EXOP_MODIFY_PASSWD_NEW ((ber_tag_t) 0x82U)
77 #endif
78
79
80 #include "smbldap.h"
81
82 /**********************************************************************
83 Simple helper function to make stuff better readable
84 **********************************************************************/
85
86 static LDAP *priv2ld(struct ldapsam_privates *priv)
87 {
88 return priv->smbldap_state->ldap_struct;
89 }
90
91 /**********************************************************************
92 Get the attribute name given a user schame version.
93 **********************************************************************/
94
95 static const char* get_userattr_key2string( int schema_ver, int key )
96 {
97 switch ( schema_ver ) {
98 case SCHEMAVER_SAMBAACCOUNT:
99 return get_attr_key2string( attrib_map_v22, key );
100
101 case SCHEMAVER_SAMBASAMACCOUNT:
102 return get_attr_key2string( attrib_map_v30, key );
103
104 default:
105 DEBUG(0,("get_userattr_key2string: unknown schema version specified\n"));
106 break;
107 }
108 return NULL;
109 }
110
111 /**********************************************************************
112 Return the list of attribute names given a user schema version.
113 **********************************************************************/
114
115 const char** get_userattr_list( TALLOC_CTX *mem_ctx, int schema_ver )
116 {
117 switch ( schema_ver ) {
118 case SCHEMAVER_SAMBAACCOUNT:
119 return get_attr_list( mem_ctx, attrib_map_v22 );
120
121 case SCHEMAVER_SAMBASAMACCOUNT:
122 return get_attr_list( mem_ctx, attrib_map_v30 );
123 default:
124 DEBUG(0,("get_userattr_list: unknown schema version specified!\n"));
125 break;
126 }
127
128 return NULL;
129 }
130
131 /**************************************************************************
132 Return the list of attribute names to delete given a user schema version.
133 **************************************************************************/
134
135 static const char** get_userattr_delete_list( TALLOC_CTX *mem_ctx,
136 int schema_ver )
137 {
138 switch ( schema_ver ) {
139 case SCHEMAVER_SAMBAACCOUNT:
140 return get_attr_list( mem_ctx,
141 attrib_map_to_delete_v22 );
142
143 case SCHEMAVER_SAMBASAMACCOUNT:
144 return get_attr_list( mem_ctx,
145 attrib_map_to_delete_v30 );
146 default:
147 DEBUG(0,("get_userattr_delete_list: unknown schema version specified!\n"));
148 break;
149 }
150
151 return NULL;
152 }
153
154
155 /*******************************************************************
156 Generate the LDAP search filter for the objectclass based on the
157 version of the schema we are using.
158 ******************************************************************/
159
160 static const char* get_objclass_filter( int schema_ver )
161 {
162 static fstring objclass_filter;
163
164 switch( schema_ver ) {
165 case SCHEMAVER_SAMBAACCOUNT:
166 fstr_sprintf( objclass_filter, "(objectclass=%s)", LDAP_OBJ_SAMBAACCOUNT );
167 break;
168 case SCHEMAVER_SAMBASAMACCOUNT:
169 fstr_sprintf( objclass_filter, "(objectclass=%s)", LDAP_OBJ_SAMBASAMACCOUNT );
170 break;
171 default:
172 DEBUG(0,("get_objclass_filter: Invalid schema version specified!\n"));
173 break;
174 }
175
176 return objclass_filter;
177 }
178
179 /*****************************************************************
180 Scan a sequence number off OpenLDAP's syncrepl contextCSN
181 ******************************************************************/
182
183 static NTSTATUS ldapsam_get_seq_num(struct pdb_methods *my_methods, time_t *seq_num)
184 {
185 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
186 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
187 LDAPMessage *msg = NULL;
188 LDAPMessage *entry = NULL;
189 TALLOC_CTX *mem_ctx;
190 char **values = NULL;
191 int rc, num_result, num_values, rid;
192 pstring suffix;
193 fstring tok;
194 const char *p;
195 const char **attrs;
196
197 /* Unfortunatly there is no proper way to detect syncrepl-support in
198 * smbldap_connect_system(). The syncrepl OIDs are submitted for publication
199 * but do not show up in the root-DSE yet. Neither we can query the
200 * subschema-context for the syncProviderSubentry or syncConsumerSubentry
201 * objectclass. Currently we require lp_ldap_suffix() to show up as
202 * namingContext. - Guenther
203 */
204
205 if (!lp_parm_bool(-1, "ldapsam", "syncrepl_seqnum", False)) {
206 return ntstatus;
207 }
208
209 if (!seq_num) {
210 DEBUG(3,("ldapsam_get_seq_num: no sequence_number\n"));
211 return ntstatus;
212 }
213
214 if (!smbldap_has_naming_context(ldap_state->smbldap_state, lp_ldap_suffix())) {
215 DEBUG(3,("ldapsam_get_seq_num: DIT not configured to hold %s "
216 "as top-level namingContext\n", lp_ldap_suffix()));
217 return ntstatus;
218 }
219
220 mem_ctx = talloc_init("ldapsam_get_seq_num");
221
222 if (mem_ctx == NULL)
223 return NT_STATUS_NO_MEMORY;
224
225 attrs = TALLOC_ARRAY(mem_ctx, const char *, 2);
226
227 /* if we got a syncrepl-rid (up to three digits long) we speak with a consumer */
228 rid = lp_parm_int(-1, "ldapsam", "syncrepl_rid", -1);
229 if (rid > 0) {
230
231 /* consumer syncreplCookie: */
232 /* csn=20050126161620Z#0000001#00#00000 */
233 attrs[0] = talloc_strdup(mem_ctx, "syncreplCookie");
234 attrs[1] = NULL;
235 pstr_sprintf( suffix, "cn=syncrepl%d,%s", rid, lp_ldap_suffix());
236
237 } else {
238
239 /* provider contextCSN */
240 /* 20050126161620Z#000009#00#000000 */
241 attrs[0] = talloc_strdup(mem_ctx, "contextCSN");
242 attrs[1] = NULL;
243 pstr_sprintf( suffix, "cn=ldapsync,%s", lp_ldap_suffix());
244
245 }
246
247 rc = smbldap_search(ldap_state->smbldap_state, suffix,
248 LDAP_SCOPE_BASE, "(objectclass=*)", attrs, 0, &msg);
249
250 if (rc != LDAP_SUCCESS) {
251 goto done;
252 }
253
254 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg);
255 if (num_result != 1) {
256 DEBUG(3,("ldapsam_get_seq_num: Expected one entry, got %d\n", num_result));
257 goto done;
258 }
259
260 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg);
261 if (entry == NULL) {
262 DEBUG(3,("ldapsam_get_seq_num: Could not retrieve entry\n"));
263 goto done;
264 }
265
266 values = ldap_get_values(ldap_state->smbldap_state->ldap_struct, entry, attrs[0]);
267 if (values == NULL) {
268 DEBUG(3,("ldapsam_get_seq_num: no values\n"));
269 goto done;
270 }
271
272 num_values = ldap_count_values(values);
273 if (num_values == 0) {
274 DEBUG(3,("ldapsam_get_seq_num: not a single value\n"));
275 goto done;
276 }
277
278 p = values[0];
279 if (!next_token(&p, tok, "#", sizeof(tok))) {
280 DEBUG(0,("ldapsam_get_seq_num: failed to parse sequence number\n"));
281 goto done;
282 }
283
284 p = tok;
285 if (!strncmp(p, "csn=", strlen("csn=")))
286 p += strlen("csn=");
287
288 DEBUG(10,("ldapsam_get_seq_num: got %s: %s\n", attrs[0], p));
289
290 *seq_num = generalized_to_unix_time(p);
291
292 /* very basic sanity check */
293 if (*seq_num <= 0) {
294 DEBUG(3,("ldapsam_get_seq_num: invalid sequence number: %d\n",
295 (int)*seq_num));
296 goto done;
297 }
298
299 ntstatus = NT_STATUS_OK;
300
301 done:
302 if (values != NULL)
303 ldap_value_free(values);
304 if (msg != NULL)
305 ldap_msgfree(msg);
306 if (mem_ctx)
307 talloc_destroy(mem_ctx);
308
309 return ntstatus;
310 }
311
312 /*******************************************************************
313 Run the search by name.
314 ******************************************************************/
315
316 int ldapsam_search_suffix_by_name(struct ldapsam_privates *ldap_state,
317 const char *user,
318 LDAPMessage ** result,
319 const char **attr)
320 {
321 pstring filter;
322 char *escape_user = escape_ldap_string_alloc(user);
323
324 if (!escape_user) {
325 return LDAP_NO_MEMORY;
326 }
327
328 /*
329 * in the filter expression, replace %u with the real name
330 * so in ldap filter, %u MUST exist :-)
331 */
332 pstr_sprintf(filter, "(&%s%s)", "(uid=%u)",
333 get_objclass_filter(ldap_state->schema_ver));
334
335 /*
336 * have to use this here because $ is filtered out
337 * in pstring_sub
338 */
339
340
341 all_string_sub(filter, "%u", escape_user, sizeof(pstring));
342 SAFE_FREE(escape_user);
343
344 return smbldap_search_suffix(ldap_state->smbldap_state, filter, attr, result);
345 }
346
347 /*******************************************************************
348 Run the search by rid.
349 ******************************************************************/
350
351 static int ldapsam_search_suffix_by_rid (struct ldapsam_privates *ldap_state,
352 uint32 rid, LDAPMessage ** result,
353 const char **attr)
354 {
355 pstring filter;
356 int rc;
357
358 pstr_sprintf(filter, "(&(rid=%i)%s)", rid,
359 get_objclass_filter(ldap_state->schema_ver));
360
361 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, attr, result);
362
363 return rc;
364 }
365
366 /*******************************************************************
367 Run the search by SID.
368 ******************************************************************/
369
370 static int ldapsam_search_suffix_by_sid (struct ldapsam_privates *ldap_state,
371 const DOM_SID *sid, LDAPMessage ** result,
372 const char **attr)
373 {
374 pstring filter;
375 int rc;
376 fstring sid_string;
377
378 pstr_sprintf(filter, "(&(%s=%s)%s)",
379 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_SID),
380 sid_to_string(sid_string, sid),
381 get_objclass_filter(ldap_state->schema_ver));
382
383 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, attr, result);
384
385 return rc;
386 }
387
388 /*******************************************************************
389 Delete complete object or objectclass and attrs from
390 object found in search_result depending on lp_ldap_delete_dn
391 ******************************************************************/
392
393 static int ldapsam_delete_entry(struct ldapsam_privates *priv,
394 TALLOC_CTX *mem_ctx,
395 LDAPMessage *entry,
396 const char *objectclass,
397 const char **attrs)
398 {
399 LDAPMod **mods = NULL;
400 char *name;
401 const char *dn;
402 BerElement *ptr = NULL;
403
404 dn = smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry);
405 if (dn == NULL) {
406 return LDAP_NO_MEMORY;
407 }
408
409 if (lp_ldap_delete_dn()) {
410 return smbldap_delete(priv->smbldap_state, dn);
411 }
412
413 /* Ok, delete only the SAM attributes */
414
415 for (name = ldap_first_attribute(priv2ld(priv), entry, &ptr);
416 name != NULL;
417 name = ldap_next_attribute(priv2ld(priv), entry, ptr)) {
418 const char **attrib;
419
420 /* We are only allowed to delete the attributes that
421 really exist. */
422
423 for (attrib = attrs; *attrib != NULL; attrib++) {
424 if (strequal(*attrib, name)) {
425 DEBUG(10, ("ldapsam_delete_entry: deleting "
426 "attribute %s\n", name));
427 smbldap_set_mod(&mods, LDAP_MOD_DELETE, name,
428 NULL);
429 }
430 }
431 ldap_memfree(name);
432 }
433
434 if (ptr != NULL) {
435 ber_free(ptr, 0);
436 }
437
438 smbldap_set_mod(&mods, LDAP_MOD_DELETE, "objectClass", objectclass);
439 talloc_autofree_ldapmod(mem_ctx, mods);
440
441 return smbldap_modify(priv->smbldap_state, dn, mods);
442 }
443
444 static time_t ldapsam_get_entry_timestamp( struct ldapsam_privates *ldap_state, LDAPMessage * entry)
445 {
446 pstring temp;
447 struct tm tm;
448
449 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
450 get_userattr_key2string(ldap_state->schema_ver,LDAP_ATTR_MOD_TIMESTAMP),
451 temp))
452 return (time_t) 0;
453
454 strptime(temp, "%Y%m%d%H%M%SZ", &tm);
455 tzset();
456 return timegm(&tm);
457 }
458
459 /**********************************************************************
460 Initialize struct samu from an LDAP query.
461 (Based on init_sam_from_buffer in pdb_tdb.c)
462 *********************************************************************/
463
464 static BOOL init_sam_from_ldap(struct ldapsam_privates *ldap_state,
465 struct samu * sampass,
466 LDAPMessage * entry)
467 {
468 time_t logon_time,
469 logoff_time,
470 kickoff_time,
471 pass_last_set_time,
472 pass_can_change_time,
473 pass_must_change_time,
474 ldap_entry_time,
475 bad_password_time;
476 pstring username,
477 domain,
478 nt_username,
479 fullname,
480 homedir,
481 dir_drive,
482 logon_script,
483 profile_path,
484 acct_desc,
485 workstations;
486 char munged_dial[2048];
487 uint32 user_rid;
488 uint8 smblmpwd[LM_HASH_LEN],
489 smbntpwd[NT_HASH_LEN];
490 BOOL use_samba_attrs = True;
491 uint16 acct_ctrl = 0,
492 logon_divs;
493 uint16 bad_password_count = 0,
494 logon_count = 0;
495 uint32 hours_len;
496 uint8 hours[MAX_HOURS_LEN];
497 pstring temp;
498 LOGIN_CACHE *cache_entry = NULL;
499 uint32 pwHistLen;
500 pstring tmpstring;
501 BOOL expand_explicit = lp_passdb_expand_explicit();
502
503 /*
504 * do a little initialization
505 */
506 username[0] = '\0';
507 domain[0] = '\0';
508 nt_username[0] = '\0';
509 fullname[0] = '\0';
510 homedir[0] = '\0';
511 dir_drive[0] = '\0';
512 logon_script[0] = '\0';
513 profile_path[0] = '\0';
514 acct_desc[0] = '\0';
515 munged_dial[0] = '\0';
516 workstations[0] = '\0';
517
518
519 if (sampass == NULL || ldap_state == NULL || entry == NULL) {
520 DEBUG(0, ("init_sam_from_ldap: NULL parameters found!\n"));
521 return False;
522 }
523
524 if (priv2ld(ldap_state) == NULL) {
525 DEBUG(0, ("init_sam_from_ldap: ldap_state->smbldap_state->"
526 "ldap_struct is NULL!\n"));
527 return False;
528 }
529
530 if (!smbldap_get_single_pstring(priv2ld(ldap_state), entry, "uid",
531 username)) {
532 DEBUG(1, ("init_sam_from_ldap: No uid attribute found for "
533 "this user!\n"));
534 return False;
535 }
536
537 DEBUG(2, ("init_sam_from_ldap: Entry found for user: %s\n", username));
538
539 pstrcpy(nt_username, username);
540
541 pstrcpy(domain, ldap_state->domain_name);
542
543 pdb_set_username(sampass, username, PDB_SET);
544
545 pdb_set_domain(sampass, domain, PDB_DEFAULT);
546 pdb_set_nt_username(sampass, nt_username, PDB_SET);
547
548 /* deal with different attributes between the schema first */
549
550 if ( ldap_state->schema_ver == SCHEMAVER_SAMBASAMACCOUNT ) {
551 if (smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
552 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_SID), temp)) {
553 pdb_set_user_sid_from_string(sampass, temp, PDB_SET);
554 }
555
556 if (smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
557 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PRIMARY_GROUP_SID), temp)) {
558 pdb_set_group_sid_from_string(sampass, temp, PDB_SET);
559 } else {
560 pdb_set_group_sid_from_rid(sampass, DOMAIN_GROUP_RID_USERS, PDB_DEFAULT);
561 }
562 } else {
563 if (smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
564 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_RID), temp)) {
565 user_rid = (uint32)atol(temp);
566 pdb_set_user_sid_from_rid(sampass, user_rid, PDB_SET);
567 }
568
569 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
570 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PRIMARY_GROUP_RID), temp)) {
571 pdb_set_group_sid_from_rid(sampass, DOMAIN_GROUP_RID_USERS, PDB_DEFAULT);
572 } else {
573 uint32 group_rid;
574
575 group_rid = (uint32)atol(temp);
576
577 /* for some reason, we often have 0 as a primary group RID.
578 Make sure that we treat this just as a 'default' value */
579
580 if ( group_rid > 0 )
581 pdb_set_group_sid_from_rid(sampass, group_rid, PDB_SET);
582 else
583 pdb_set_group_sid_from_rid(sampass, DOMAIN_GROUP_RID_USERS, PDB_DEFAULT);
584 }
585 }
586
587 if (pdb_get_init_flags(sampass,PDB_USERSID) == PDB_DEFAULT) {
588 DEBUG(1, ("init_sam_from_ldap: no %s or %s attribute found for this user %s\n",
589 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_SID),
590 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_RID),
591 username));
592 return False;
593 }
594
595 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
596 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_LAST_SET), temp)) {
597 /* leave as default */
598 } else {
599 pass_last_set_time = (time_t) atol(temp);
600 pdb_set_pass_last_set_time(sampass, pass_last_set_time, PDB_SET);
601 }
602
603 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
604 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_TIME), temp)) {
605 /* leave as default */
606 } else {
607 logon_time = (time_t) atol(temp);
608 pdb_set_logon_time(sampass, logon_time, PDB_SET);
609 }
610
611 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
612 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGOFF_TIME), temp)) {
613 /* leave as default */
614 } else {
615 logoff_time = (time_t) atol(temp);
616 pdb_set_logoff_time(sampass, logoff_time, PDB_SET);
617 }
618
619 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
620 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_KICKOFF_TIME), temp)) {
621 /* leave as default */
622 } else {
623 kickoff_time = (time_t) atol(temp);
624 pdb_set_kickoff_time(sampass, kickoff_time, PDB_SET);
625 }
626
627 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
628 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_CAN_CHANGE), temp)) {
629 /* leave as default */
630 } else {
631 pass_can_change_time = (time_t) atol(temp);
632 pdb_set_pass_can_change_time(sampass, pass_can_change_time, PDB_SET);
633 }
634
635 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
636 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_MUST_CHANGE), temp)) {
637 /* leave as default */
638 } else {
639 pass_must_change_time = (time_t) atol(temp);
640 pdb_set_pass_must_change_time(sampass, pass_must_change_time, PDB_SET);
641 }
642
643 /* recommend that 'gecos' and 'displayName' should refer to the same
644 * attribute OID. userFullName depreciated, only used by Samba
645 * primary rules of LDAP: don't make a new attribute when one is already defined
646 * that fits your needs; using cn then displayName rather than 'userFullName'
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_DISPLAY_NAME), fullname)) {
651 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
652 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_CN), fullname)) {
653 /* leave as default */
654 } else {
655 pdb_set_fullname(sampass, fullname, PDB_SET);
656 }
657 } else {
658 pdb_set_fullname(sampass, fullname, PDB_SET);
659 }
660
661 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
662 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_DRIVE), dir_drive))
663 {
664 pdb_set_dir_drive( sampass, lp_logon_drive(), PDB_DEFAULT );
665 } else {
666 pdb_set_dir_drive(sampass, dir_drive, PDB_SET);
667 }
668
669 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
670 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_PATH), homedir))
671 {
672 pdb_set_homedir( sampass,
673 talloc_sub_basic(sampass, username, lp_logon_home()),
674 PDB_DEFAULT );
675 } else {
676 pstrcpy( tmpstring, homedir );
677 if (expand_explicit) {
678 standard_sub_basic( username, tmpstring,
679 sizeof(tmpstring) );
680 }
681 pdb_set_homedir(sampass, tmpstring, PDB_SET);
682 }
683
684 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
685 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_SCRIPT), logon_script))
686 {
687 pdb_set_logon_script( sampass,
688 talloc_sub_basic(sampass, username, lp_logon_script()),
689 PDB_DEFAULT );
690 } else {
691 pstrcpy( tmpstring, logon_script );
692 if (expand_explicit) {
693 standard_sub_basic( username, tmpstring,
694 sizeof(tmpstring) );
695 }
696 pdb_set_logon_script(sampass, tmpstring, PDB_SET);
697 }
698
699 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
700 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PROFILE_PATH), profile_path))
701 {
702 pdb_set_profile_path( sampass,
703 talloc_sub_basic( sampass, username, lp_logon_path()),
704 PDB_DEFAULT );
705 } else {
706 pstrcpy( tmpstring, profile_path );
707 if (expand_explicit) {
708 standard_sub_basic( username, tmpstring,
709 sizeof(tmpstring) );
710 }
711 pdb_set_profile_path(sampass, tmpstring, PDB_SET);
712 }
713
714 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
715 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DESC), acct_desc))
716 {
717 /* leave as default */
718 } else {
719 pdb_set_acct_desc(sampass, acct_desc, PDB_SET);
720 }
721
722 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
723 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_WKS), workstations)) {
724 /* leave as default */;
725 } else {
726 pdb_set_workstations(sampass, workstations, PDB_SET);
727 }
728
729 if (!smbldap_get_single_attribute(ldap_state->smbldap_state->ldap_struct, entry,
730 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_MUNGED_DIAL), munged_dial, sizeof(munged_dial))) {
731 /* leave as default */;
732 } else {
733 pdb_set_munged_dial(sampass, munged_dial, PDB_SET);
734 }
735
736 /* FIXME: hours stuff should be cleaner */
737
738 logon_divs = 168;
739 hours_len = 21;
740 memset(hours, 0xff, hours_len);
741
742 if (ldap_state->is_nds_ldap) {
743 char *user_dn;
744 size_t pwd_len;
745 char clear_text_pw[512];
746
747 /* Make call to Novell eDirectory ldap extension to get clear text password.
748 NOTE: This will only work if we have an SSL connection to eDirectory. */
749 user_dn = smbldap_get_dn(ldap_state->smbldap_state->ldap_struct, entry);
750 if (user_dn != NULL) {
751 DEBUG(3, ("init_sam_from_ldap: smbldap_get_dn(%s) returned '%s'\n", username, user_dn));
752
753 pwd_len = sizeof(clear_text_pw);
754 if (pdb_nds_get_password(ldap_state->smbldap_state, user_dn, &pwd_len, clear_text_pw) == LDAP_SUCCESS) {
755 nt_lm_owf_gen(clear_text_pw, smbntpwd, smblmpwd);
756 if (!pdb_set_lanman_passwd(sampass, smblmpwd, PDB_SET))
757 return False;
758 ZERO_STRUCT(smblmpwd);
759 if (!pdb_set_nt_passwd(sampass, smbntpwd, PDB_SET))
760 return False;
761 ZERO_STRUCT(smbntpwd);
762 use_samba_attrs = False;
763 }
764 } else {
765 DEBUG(0, ("init_sam_from_ldap: failed to get user_dn for '%s'\n", username));
766 }
767 }
768
769 if (use_samba_attrs) {
770 if (!smbldap_get_single_pstring (ldap_state->smbldap_state->ldap_struct, entry,
771 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LMPW), temp)) {
772 /* leave as default */
773 } else {
774 pdb_gethexpwd(temp, smblmpwd);
775 memset((char *)temp, '\0', strlen(temp)+1);
776 if (!pdb_set_lanman_passwd(sampass, smblmpwd, PDB_SET))
777 return False;
778 ZERO_STRUCT(smblmpwd);
779 }
780
781 if (!smbldap_get_single_pstring (ldap_state->smbldap_state->ldap_struct, entry,
782 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_NTPW), temp)) {
783 /* leave as default */
784 } else {
785 pdb_gethexpwd(temp, smbntpwd);
786 memset((char *)temp, '\0', strlen(temp)+1);
787 if (!pdb_set_nt_passwd(sampass, smbntpwd, PDB_SET))
788 return False;
789 ZERO_STRUCT(smbntpwd);
790 }
791 }
792
793 pwHistLen = 0;
794
795 pdb_get_account_policy(AP_PASSWORD_HISTORY, &pwHistLen);
796 if (pwHistLen > 0){
797 uint8 *pwhist = NULL;
798 int i;
799
800 /* We can only store (sizeof(pstring)-1)/64 password history entries. */
801 pwHistLen = MIN(pwHistLen, ((sizeof(temp)-1)/64));
802
803 if ((pwhist = SMB_MALLOC(pwHistLen * PW_HISTORY_ENTRY_LEN)) == NULL){
804 DEBUG(0, ("init_sam_from_ldap: malloc failed!\n"));
805 return False;
806 }
807 memset(pwhist, '\0', pwHistLen * PW_HISTORY_ENTRY_LEN);
808
809 if (!smbldap_get_single_pstring (ldap_state->smbldap_state->ldap_struct, entry,
810 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_HISTORY), temp)) {
811 /* leave as default - zeros */
812 } else {
813 BOOL hex_failed = False;
814 for (i = 0; i < pwHistLen; i++){
815 /* Get the 16 byte salt. */
816 if (!pdb_gethexpwd(&temp[i*64], &pwhist[i*PW_HISTORY_ENTRY_LEN])) {
817 hex_failed = True;
818 break;
819 }
820 /* Get the 16 byte MD5 hash of salt+passwd. */
821 if (!pdb_gethexpwd(&temp[(i*64)+32],
822 &pwhist[(i*PW_HISTORY_ENTRY_LEN)+PW_HISTORY_SALT_LEN])) {
823 hex_failed = True;
824 break;
825 }
826 }
827 if (hex_failed) {
828 DEBUG(0,("init_sam_from_ldap: Failed to get password history for user %s\n",
829 username));
830 memset(pwhist, '\0', pwHistLen * PW_HISTORY_ENTRY_LEN);
831 }
832 }
833 if (!pdb_set_pw_history(sampass, pwhist, pwHistLen, PDB_SET)){
834 SAFE_FREE(pwhist);
835 return False;
836 }
837 SAFE_FREE(pwhist);
838 }
839
840 if (!smbldap_get_single_pstring (ldap_state->smbldap_state->ldap_struct, entry,
841 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_ACB_INFO), temp)) {
842 acct_ctrl |= ACB_NORMAL;
843 } else {
844 acct_ctrl = pdb_decode_acct_ctrl(temp);
845
846 if (acct_ctrl == 0)
847 acct_ctrl |= ACB_NORMAL;
848
849 pdb_set_acct_ctrl(sampass, acct_ctrl, PDB_SET);
850 }
851
852 pdb_set_hours_len(sampass, hours_len, PDB_SET);
853 pdb_set_logon_divs(sampass, logon_divs, PDB_SET);
854
855 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
856 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_BAD_PASSWORD_COUNT), temp)) {
857 /* leave as default */
858 } else {
859 bad_password_count = (uint32) atol(temp);
860 pdb_set_bad_password_count(sampass, bad_password_count, PDB_SET);
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_BAD_PASSWORD_TIME), temp)) {
865 /* leave as default */
866 } else {
867 bad_password_time = (time_t) atol(temp);
868 pdb_set_bad_password_time(sampass, bad_password_time, PDB_SET);
869 }
870
871
872 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
873 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_COUNT), temp)) {
874 /* leave as default */
875 } else {
876 logon_count = (uint32) atol(temp);
877 pdb_set_logon_count(sampass, logon_count, PDB_SET);
878 }
879
880 /* pdb_set_unknown_6(sampass, unknown6, PDB_SET); */
881
882 if(!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
883 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_HOURS), temp)) {
884 /* leave as default */
885 } else {
886 pdb_gethexhours(temp, hours);
887 memset((char *)temp, '\0', strlen(temp) +1);
888 pdb_set_hours(sampass, hours, PDB_SET);
889 ZERO_STRUCT(hours);
890 }
891
892 if (lp_parm_bool(-1, "ldapsam", "trusted", False)) {
893 if (smbldap_get_single_pstring(priv2ld(ldap_state), entry,
894 "uidNumber", temp)) {
895 /* We've got a uid, feed the cache */
896 uid_t uid = strtoul(temp, NULL, 10);
897 store_uid_sid_cache(pdb_get_user_sid(sampass), uid);
898 }
899 }
900
901 /* check the timestamp of the cache vs ldap entry */
902 if (!(ldap_entry_time = ldapsam_get_entry_timestamp(ldap_state,
903 entry)))
904 return True;
905
906 /* see if we have newer updates */
907 if (!(cache_entry = login_cache_read(sampass))) {
908 DEBUG (9, ("No cache entry, bad count = %u, bad time = %u\n",
909 (unsigned int)pdb_get_bad_password_count(sampass),
910 (unsigned int)pdb_get_bad_password_time(sampass)));
911 return True;
912 }
913
914 DEBUG(7, ("ldap time is %u, cache time is %u, bad time = %u\n",
915 (unsigned int)ldap_entry_time, (unsigned int)cache_entry->entry_timestamp,
916 (unsigned int)cache_entry->bad_password_time));
917
918 if (ldap_entry_time > cache_entry->entry_timestamp) {
919 /* cache is older than directory , so
920 we need to delete the entry but allow the
921 fields to be written out */
922 login_cache_delentry(sampass);
923 } else {
924 /* read cache in */
925 pdb_set_acct_ctrl(sampass,
926 pdb_get_acct_ctrl(sampass) |
927 (cache_entry->acct_ctrl & ACB_AUTOLOCK),
928 PDB_SET);
929 pdb_set_bad_password_count(sampass,
930 cache_entry->bad_password_count,
931 PDB_SET);
932 pdb_set_bad_password_time(sampass,
933 cache_entry->bad_password_time,
934 PDB_SET);
935 }
936
937 SAFE_FREE(cache_entry);
938 return True;
939 }
940
941 /**********************************************************************
942 Initialize the ldap db from a struct samu. Called on update.
943 (Based on init_buffer_from_sam in pdb_tdb.c)
944 *********************************************************************/
945
946 static BOOL init_ldap_from_sam (struct ldapsam_privates *ldap_state,
947 LDAPMessage *existing,
948 LDAPMod *** mods, struct samu * sampass,
949 BOOL (*need_update)(const struct samu *,
950 enum pdb_elements))
951 {
952 pstring temp;
953 uint32 rid;
954
955 if (mods == NULL || sampass == NULL) {
956 DEBUG(0, ("init_ldap_from_sam: NULL parameters found!\n"));
957 return False;
958 }
959
960 *mods = NULL;
961
962 /*
963 * took out adding "objectclass: sambaAccount"
964 * do this on a per-mod basis
965 */
966 if (need_update(sampass, PDB_USERNAME))
967 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
968 "uid", pdb_get_username(sampass));
969
970 DEBUG(2, ("init_ldap_from_sam: Setting entry for user: %s\n", pdb_get_username(sampass)));
971
972 /* only update the RID if we actually need to */
973 if (need_update(sampass, PDB_USERSID)) {
974 fstring sid_string;
975 fstring dom_sid_string;
976 const DOM_SID *user_sid = pdb_get_user_sid(sampass);
977
978 switch ( ldap_state->schema_ver ) {
979 case SCHEMAVER_SAMBAACCOUNT:
980 if (!sid_peek_check_rid(&ldap_state->domain_sid, user_sid, &rid)) {
981 DEBUG(1, ("init_ldap_from_sam: User's SID (%s) is not for this domain (%s), cannot add to LDAP!\n",
982 sid_to_string(sid_string, user_sid),
983 sid_to_string(dom_sid_string, &ldap_state->domain_sid)));
984 return False;
985 }
986 slprintf(temp, sizeof(temp) - 1, "%i", rid);
987 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
988 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_RID),
989 temp);
990 break;
991
992 case SCHEMAVER_SAMBASAMACCOUNT:
993 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
994 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_SID),
995 sid_to_string(sid_string, user_sid));
996 break;
997
998 default:
999 DEBUG(0,("init_ldap_from_sam: unknown schema version specified\n"));
1000 break;
1001 }
1002 }
1003
1004 /* we don't need to store the primary group RID - so leaving it
1005 'free' to hang off the unix primary group makes life easier */
1006
1007 if (need_update(sampass, PDB_GROUPSID)) {
1008 fstring sid_string;
1009 fstring dom_sid_string;
1010 const DOM_SID *group_sid = pdb_get_group_sid(sampass);
1011
1012 switch ( ldap_state->schema_ver ) {
1013 case SCHEMAVER_SAMBAACCOUNT:
1014 if (!sid_peek_check_rid(&ldap_state->domain_sid, group_sid, &rid)) {
1015 DEBUG(1, ("init_ldap_from_sam: User's Primary Group SID (%s) is not for this domain (%s), cannot add to LDAP!\n",
1016 sid_to_string(sid_string, group_sid),
1017 sid_to_string(dom_sid_string, &ldap_state->domain_sid)));
1018 return False;
1019 }
1020
1021 slprintf(temp, sizeof(temp) - 1, "%i", rid);
1022 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1023 get_userattr_key2string(ldap_state->schema_ver,
1024 LDAP_ATTR_PRIMARY_GROUP_RID), temp);
1025 break;
1026
1027 case SCHEMAVER_SAMBASAMACCOUNT:
1028 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1029 get_userattr_key2string(ldap_state->schema_ver,
1030 LDAP_ATTR_PRIMARY_GROUP_SID), sid_to_string(sid_string, group_sid));
1031 break;
1032
1033 default:
1034 DEBUG(0,("init_ldap_from_sam: unknown schema version specified\n"));
1035 break;
1036 }
1037
1038 }
1039
1040 /* displayName, cn, and gecos should all be the same
1041 * most easily accomplished by giving them the same OID
1042 * gecos isn't set here b/c it should be handled by the
1043 * add-user script
1044 * We change displayName only and fall back to cn if
1045 * it does not exist.
1046 */
1047
1048 if (need_update(sampass, PDB_FULLNAME))
1049 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1050 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DISPLAY_NAME),
1051 pdb_get_fullname(sampass));
1052
1053 if (need_update(sampass, PDB_ACCTDESC))
1054 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1055 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DESC),
1056 pdb_get_acct_desc(sampass));
1057
1058 if (need_update(sampass, PDB_WORKSTATIONS))
1059 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1060 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_WKS),
1061 pdb_get_workstations(sampass));
1062
1063 if (need_update(sampass, PDB_MUNGEDDIAL))
1064 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1065 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_MUNGED_DIAL),
1066 pdb_get_munged_dial(sampass));
1067
1068 if (need_update(sampass, PDB_SMBHOME))
1069 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1070 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_PATH),
1071 pdb_get_homedir(sampass));
1072
1073 if (need_update(sampass, PDB_DRIVE))
1074 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1075 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_DRIVE),
1076 pdb_get_dir_drive(sampass));
1077
1078 if (need_update(sampass, PDB_LOGONSCRIPT))
1079 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1080 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_SCRIPT),
1081 pdb_get_logon_script(sampass));
1082
1083 if (need_update(sampass, PDB_PROFILE))
1084 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1085 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PROFILE_PATH),
1086 pdb_get_profile_path(sampass));
1087
1088 slprintf(temp, sizeof(temp) - 1, "%li", pdb_get_logon_time(sampass));
1089 if (need_update(sampass, PDB_LOGONTIME))
1090 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1091 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_TIME), temp);
1092
1093 slprintf(temp, sizeof(temp) - 1, "%li", pdb_get_logoff_time(sampass));
1094 if (need_update(sampass, PDB_LOGOFFTIME))
1095 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1096 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGOFF_TIME), temp);
1097
1098 slprintf (temp, sizeof (temp) - 1, "%li", pdb_get_kickoff_time(sampass));
1099 if (need_update(sampass, PDB_KICKOFFTIME))
1100 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1101 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_KICKOFF_TIME), temp);
1102
1103 slprintf (temp, sizeof (temp) - 1, "%li", pdb_get_pass_can_change_time(sampass));
1104 if (need_update(sampass, PDB_CANCHANGETIME))
1105 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1106 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_CAN_CHANGE), temp);
1107
1108 slprintf (temp, sizeof (temp) - 1, "%li", pdb_get_pass_must_change_time(sampass));
1109 if (need_update(sampass, PDB_MUSTCHANGETIME))
1110 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1111 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_MUST_CHANGE), temp);
1112
1113
1114 if ((pdb_get_acct_ctrl(sampass)&(ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST))
1115 || (lp_ldap_passwd_sync()!=LDAP_PASSWD_SYNC_ONLY)) {
1116
1117 if (need_update(sampass, PDB_LMPASSWD)) {
1118 const uchar *lm_pw = pdb_get_lanman_passwd(sampass);
1119 if (lm_pw) {
1120 pdb_sethexpwd(temp, lm_pw,
1121 pdb_get_acct_ctrl(sampass));
1122 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1123 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LMPW),
1124 temp);
1125 } else {
1126 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1127 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LMPW),
1128 NULL);
1129 }
1130 }
1131 if (need_update(sampass, PDB_NTPASSWD)) {
1132 const uchar *nt_pw = pdb_get_nt_passwd(sampass);
1133 if (nt_pw) {
1134 pdb_sethexpwd(temp, nt_pw,
1135 pdb_get_acct_ctrl(sampass));
1136 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1137 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_NTPW),
1138 temp);
1139 } else {
1140 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1141 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_NTPW),
1142 NULL);
1143 }
1144 }
1145
1146 if (need_update(sampass, PDB_PWHISTORY)) {
1147 uint32 pwHistLen = 0;
1148 pdb_get_account_policy(AP_PASSWORD_HISTORY, &pwHistLen);
1149 if (pwHistLen == 0) {
1150 /* Remove any password history from the LDAP store. */
1151 memset(temp, '0', 64); /* NOTE !!!! '0' *NOT '\0' */
1152 temp[64] = '\0';
1153 } else {
1154 int i;
1155 uint32 currHistLen = 0;
1156 const uint8 *pwhist = pdb_get_pw_history(sampass, &currHistLen);
1157 if (pwhist != NULL) {
1158 /* We can only store (sizeof(pstring)-1)/64 password history entries. */
1159 pwHistLen = MIN(pwHistLen, ((sizeof(temp)-1)/64));
1160 for (i=0; i< pwHistLen && i < currHistLen; i++) {
1161 /* Store the salt. */
1162 pdb_sethexpwd(&temp[i*64], &pwhist[i*PW_HISTORY_ENTRY_LEN], 0);
1163 /* Followed by the md5 hash of salt + md4 hash */
1164 pdb_sethexpwd(&temp[(i*64)+32],
1165 &pwhist[(i*PW_HISTORY_ENTRY_LEN)+PW_HISTORY_SALT_LEN], 0);
1166 DEBUG(100, ("temp=%s\n", temp));
1167 }
1168 }
1169 }
1170 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1171 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_HISTORY),
1172 temp);
1173 }
1174
1175 if (need_update(sampass, PDB_PASSLASTSET)) {
1176 slprintf (temp, sizeof (temp) - 1, "%li", pdb_get_pass_last_set_time(sampass));
1177 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1178 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_LAST_SET),
1179 temp);
1180 }
1181 }
1182
1183 if (need_update(sampass, PDB_HOURS)) {
1184 const uint8 *hours = pdb_get_hours(sampass);
1185 if (hours) {
1186 pdb_sethexhours(temp, hours);
1187 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct,
1188 existing,
1189 mods,
1190 get_userattr_key2string(ldap_state->schema_ver,
1191 LDAP_ATTR_LOGON_HOURS),
1192 temp);
1193 }
1194 }
1195
1196 if (need_update(sampass, PDB_ACCTCTRL))
1197 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1198 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_ACB_INFO),
1199 pdb_encode_acct_ctrl (pdb_get_acct_ctrl(sampass), NEW_PW_FORMAT_SPACE_PADDED_LEN));
1200
1201 /* password lockout cache:
1202 - If we are now autolocking or clearing, we write to ldap
1203 - If we are clearing, we delete the cache entry
1204 - If the count is > 0, we update the cache
1205
1206 This even means when autolocking, we cache, just in case the
1207 update doesn't work, and we have to cache the autolock flag */
1208
1209 if (need_update(sampass, PDB_BAD_PASSWORD_COUNT)) /* &&
1210 need_update(sampass, PDB_BAD_PASSWORD_TIME)) */ {
1211 uint16 badcount = pdb_get_bad_password_count(sampass);
1212 time_t badtime = pdb_get_bad_password_time(sampass);
1213 uint32 pol;
1214 pdb_get_account_policy(AP_BAD_ATTEMPT_LOCKOUT, &pol);
1215
1216 DEBUG(3, ("updating bad password fields, policy=%u, count=%u, time=%u\n",
1217 (unsigned int)pol, (unsigned int)badcount, (unsigned int)badtime));
1218
1219 if ((badcount >= pol) || (badcount == 0)) {
1220 DEBUG(7, ("making mods to update ldap, count=%u, time=%u\n",
1221 (unsigned int)badcount, (unsigned int)badtime));
1222 slprintf (temp, sizeof (temp) - 1, "%li", (long)badcount);
1223 smbldap_make_mod(
1224 ldap_state->smbldap_state->ldap_struct,
1225 existing, mods,
1226 get_userattr_key2string(
1227 ldap_state->schema_ver,
1228 LDAP_ATTR_BAD_PASSWORD_COUNT),
1229 temp);
1230
1231 slprintf (temp, sizeof (temp) - 1, "%li", badtime);
1232 smbldap_make_mod(
1233 ldap_state->smbldap_state->ldap_struct,
1234 existing, mods,
1235 get_userattr_key2string(
1236 ldap_state->schema_ver,
1237 LDAP_ATTR_BAD_PASSWORD_TIME),
1238 temp);
1239 }
1240 if (badcount == 0) {
1241 DEBUG(7, ("bad password count is reset, deleting login cache entry for %s\n", pdb_get_nt_username(sampass)));
1242 login_cache_delentry(sampass);
1243 } else {
1244 LOGIN_CACHE cache_entry;
1245
1246 cache_entry.entry_timestamp = time(NULL);
1247 cache_entry.acct_ctrl = pdb_get_acct_ctrl(sampass);
1248 cache_entry.bad_password_count = badcount;
1249 cache_entry.bad_password_time = badtime;
1250
1251 DEBUG(7, ("Updating bad password count and time in login cache\n"));
1252 login_cache_write(sampass, cache_entry);
1253 }
1254 }
1255
1256 return True;
1257 }
1258
1259 /**********************************************************************
1260 Connect to LDAP server for password enumeration.
1261 *********************************************************************/
1262
1263 static NTSTATUS ldapsam_setsampwent(struct pdb_methods *my_methods, BOOL update, uint16 acb_mask)
1264 {
1265 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1266 int rc;
1267 pstring filter, suffix;
1268 const char **attr_list;
1269 BOOL machine_mask = False, user_mask = False;
1270
1271 pstr_sprintf( filter, "(&%s%s)", "(uid=%u)",
1272 get_objclass_filter(ldap_state->schema_ver));
1273 all_string_sub(filter, "%u", "*", sizeof(pstring));
1274
1275 machine_mask = ((acb_mask != 0) && (acb_mask & (ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)));
1276 user_mask = ((acb_mask != 0) && (acb_mask & ACB_NORMAL));
1277
1278 if (machine_mask) {
1279 pstrcpy(suffix, lp_ldap_machine_suffix());
1280 } else if (user_mask) {
1281 pstrcpy(suffix, lp_ldap_user_suffix());
1282 } else {
1283 pstrcpy(suffix, lp_ldap_suffix());
1284 }
1285
1286 DEBUG(10,("ldapsam_setsampwent: LDAP Query for acb_mask 0x%x will use suffix %s\n",
1287 acb_mask, suffix));
1288
1289 attr_list = get_userattr_list(NULL, ldap_state->schema_ver);
1290 rc = smbldap_search(ldap_state->smbldap_state, suffix, LDAP_SCOPE_SUBTREE, filter,
1291 attr_list, 0, &ldap_state->result);
1292 TALLOC_FREE( attr_list );
1293
1294 if (rc != LDAP_SUCCESS) {
1295 DEBUG(0, ("ldapsam_setsampwent: LDAP search failed: %s\n", ldap_err2string(rc)));
1296 DEBUG(3, ("ldapsam_setsampwent: Query was: %s, %s\n", suffix, filter));
1297 ldap_msgfree(ldap_state->result);
1298 ldap_state->result = NULL;
1299 return NT_STATUS_UNSUCCESSFUL;
1300 }
1301
1302 DEBUG(2, ("ldapsam_setsampwent: %d entries in the base %s\n",
1303 ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
1304 ldap_state->result), suffix));
1305
1306 ldap_state->entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
1307 ldap_state->result);
1308 ldap_state->index = 0;
1309
1310 return NT_STATUS_OK;
1311 }
1312
1313 /**********************************************************************
1314 End enumeration of the LDAP password list.
1315 *********************************************************************/
1316
1317 static void ldapsam_endsampwent(struct pdb_methods *my_methods)
1318 {
1319 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1320 if (ldap_state->result) {
1321 ldap_msgfree(ldap_state->result);
1322 ldap_state->result = NULL;
1323 }
1324 }
1325
1326 /**********************************************************************
1327 Get the next entry in the LDAP password database.
1328 *********************************************************************/
1329
1330 static NTSTATUS ldapsam_getsampwent(struct pdb_methods *my_methods,
1331 struct samu *user)
1332 {
1333 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1334 struct ldapsam_privates *ldap_state =
1335 (struct ldapsam_privates *)my_methods->private_data;
1336 BOOL bret = False;
1337
1338 while (!bret) {
1339 if (!ldap_state->entry)
1340 return ret;
1341
1342 ldap_state->index++;
1343 bret = init_sam_from_ldap(ldap_state, user, ldap_state->entry);
1344
1345 ldap_state->entry = ldap_next_entry(priv2ld(ldap_state),
1346 ldap_state->entry);
1347 }
1348
1349 return NT_STATUS_OK;
1350 }
1351
1352 static void append_attr(TALLOC_CTX *mem_ctx, const char ***attr_list,
1353 const char *new_attr)
1354 {
1355 int i;
1356
1357 if (new_attr == NULL) {
1358 return;
1359 }
1360
1361 for (i=0; (*attr_list)[i] != NULL; i++) {
1362 ;
1363 }
1364
1365 (*attr_list) = TALLOC_REALLOC_ARRAY(mem_ctx, (*attr_list),
1366 const char *, i+2);
1367 SMB_ASSERT((*attr_list) != NULL);
1368 (*attr_list)[i] = talloc_strdup((*attr_list), new_attr);
1369 (*attr_list)[i+1] = NULL;
1370 }
1371
1372 /**********************************************************************
1373 Get struct samu entry from LDAP by username.
1374 *********************************************************************/
1375
1376 static NTSTATUS ldapsam_getsampwnam(struct pdb_methods *my_methods, struct samu *user, const char *sname)
1377 {
1378 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1379 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1380 LDAPMessage *result = NULL;
1381 LDAPMessage *entry = NULL;
1382 int count;
1383 const char ** attr_list;
1384 int rc;
1385
1386 attr_list = get_userattr_list( user, ldap_state->schema_ver );
1387 append_attr(user, &attr_list,
1388 get_userattr_key2string(ldap_state->schema_ver,
1389 LDAP_ATTR_MOD_TIMESTAMP));
1390 append_attr(user, &attr_list, "uidNumber");
1391 rc = ldapsam_search_suffix_by_name(ldap_state, sname, &result,
1392 attr_list);
1393 TALLOC_FREE( attr_list );
1394
1395 if ( rc != LDAP_SUCCESS )
1396 return NT_STATUS_NO_SUCH_USER;
1397
1398 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
1399
1400 if (count < 1) {
1401 DEBUG(4, ("ldapsam_getsampwnam: Unable to locate user [%s] count=%d\n", sname, count));
1402 ldap_msgfree(result);
1403 return NT_STATUS_NO_SUCH_USER;
1404 } else if (count > 1) {
1405 DEBUG(1, ("ldapsam_getsampwnam: Duplicate entries for this user [%s] Failing. count=%d\n", sname, count));
1406 ldap_msgfree(result);
1407 return NT_STATUS_NO_SUCH_USER;
1408 }
1409
1410 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1411 if (entry) {
1412 if (!init_sam_from_ldap(ldap_state, user, entry)) {
1413 DEBUG(1,("ldapsam_getsampwnam: init_sam_from_ldap failed for user '%s'!\n", sname));
1414 ldap_msgfree(result);
1415 return NT_STATUS_NO_SUCH_USER;
1416 }
1417 pdb_set_backend_private_data(user, result, NULL,
1418 my_methods, PDB_CHANGED);
1419 talloc_autofree_ldapmsg(user, result);
1420 ret = NT_STATUS_OK;
1421 } else {
1422 ldap_msgfree(result);
1423 }
1424 return ret;
1425 }
1426
1427 static int ldapsam_get_ldap_user_by_sid(struct ldapsam_privates *ldap_state,
1428 const DOM_SID *sid, LDAPMessage **result)
1429 {
1430 int rc = -1;
1431 const char ** attr_list;
1432 uint32 rid;
1433
1434 switch ( ldap_state->schema_ver ) {
1435 case SCHEMAVER_SAMBASAMACCOUNT: {
1436 TALLOC_CTX *tmp_ctx = talloc_new(NULL);
1437 if (tmp_ctx == NULL) {
1438 return LDAP_NO_MEMORY;
1439 }
1440
1441 attr_list = get_userattr_list(tmp_ctx,
1442 ldap_state->schema_ver);
1443 append_attr(tmp_ctx, &attr_list,
1444 get_userattr_key2string(
1445 ldap_state->schema_ver,
1446 LDAP_ATTR_MOD_TIMESTAMP));
1447 append_attr(tmp_ctx, &attr_list, "uidNumber");
1448 rc = ldapsam_search_suffix_by_sid(ldap_state, sid,
1449 result, attr_list);
1450 TALLOC_FREE(tmp_ctx);
1451
1452 if ( rc != LDAP_SUCCESS )
1453 return rc;
1454 break;
1455 }
1456
1457 case SCHEMAVER_SAMBAACCOUNT:
1458 if (!sid_peek_check_rid(&ldap_state->domain_sid, sid, &rid)) {
1459 return rc;
1460 }
1461
1462 attr_list = get_userattr_list(NULL,
1463 ldap_state->schema_ver);
1464 rc = ldapsam_search_suffix_by_rid(ldap_state, rid, result, attr_list );
1465 TALLOC_FREE( attr_list );
1466
1467 if ( rc != LDAP_SUCCESS )
1468 return rc;
1469 break;
1470 }
1471 return rc;
1472 }
1473
1474 /**********************************************************************
1475 Get struct samu entry from LDAP by SID.
1476 *********************************************************************/
1477
1478 static NTSTATUS ldapsam_getsampwsid(struct pdb_methods *my_methods, struct samu * user, const DOM_SID *sid)
1479 {
1480 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1481 LDAPMessage *result = NULL;
1482 LDAPMessage *entry = NULL;
1483 int count;
1484 int rc;
1485 fstring sid_string;
1486
1487 rc = ldapsam_get_ldap_user_by_sid(ldap_state,
1488 sid, &result);
1489 if (rc != LDAP_SUCCESS)
1490 return NT_STATUS_NO_SUCH_USER;
1491
1492 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
1493
1494 if (count < 1) {
1495 DEBUG(4, ("ldapsam_getsampwsid: Unable to locate SID [%s] count=%d\n", sid_to_string(sid_string, sid),
1496 count));
1497 ldap_msgfree(result);
1498 return NT_STATUS_NO_SUCH_USER;
1499 } else if (count > 1) {
1500 DEBUG(1, ("ldapsam_getsampwsid: More than one user with SID [%s]. Failing. count=%d\n", sid_to_string(sid_string, sid),
1501 count));
1502 ldap_msgfree(result);
1503 return NT_STATUS_NO_SUCH_USER;
1504 }
1505
1506 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1507 if (!entry) {
1508 ldap_msgfree(result);
1509 return NT_STATUS_NO_SUCH_USER;
1510 }
1511
1512 if (!init_sam_from_ldap(ldap_state, user, entry)) {
1513 DEBUG(1,("ldapsam_getsampwsid: init_sam_from_ldap failed!\n"));
1514 ldap_msgfree(result);
1515 return NT_STATUS_NO_SUCH_USER;
1516 }
1517
1518 pdb_set_backend_private_data(user, result, NULL,
1519 my_methods, PDB_CHANGED);
1520 talloc_autofree_ldapmsg(user, result);
1521 return NT_STATUS_OK;
1522 }
1523
1524 static BOOL ldapsam_can_pwchange_exop(struct smbldap_state *ldap_state)
1525 {
1526 return smbldap_has_extension(ldap_state, LDAP_EXOP_MODIFY_PASSWD);
1527 }
1528
1529 /********************************************************************
1530 Do the actual modification - also change a plaintext passord if
1531 it it set.
1532 **********************************************************************/
1533
1534 static NTSTATUS ldapsam_modify_entry(struct pdb_methods *my_methods,
1535 struct samu *newpwd, char *dn,
1536 LDAPMod **mods, int ldap_op,
1537 BOOL (*need_update)(const struct samu *, enum pdb_elements))
1538 {
1539 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1540 int rc;
1541
1542 if (!my_methods || !newpwd || !dn) {
1543 return NT_STATUS_INVALID_PARAMETER;
1544 }
1545
1546 if (!mods) {
1547 DEBUG(5,("ldapsam_modify_entry: mods is empty: nothing to modify\n"));
1548 /* may be password change below however */
1549 } else {
1550 switch(ldap_op) {
1551 case LDAP_MOD_ADD:
1552 smbldap_set_mod(&mods, LDAP_MOD_ADD,
1553 "objectclass",
1554 LDAP_OBJ_ACCOUNT);
1555 rc = smbldap_add(ldap_state->smbldap_state,
1556 dn, mods);
1557 break;
1558 case LDAP_MOD_REPLACE:
1559 rc = smbldap_modify(ldap_state->smbldap_state,
1560 dn ,mods);
1561 break;
1562 default:
1563 DEBUG(0,("ldapsam_modify_entry: Wrong LDAP operation type: %d!\n",
1564 ldap_op));
1565 return NT_STATUS_INVALID_PARAMETER;
1566 }
1567
1568 if (rc!=LDAP_SUCCESS) {
1569 return NT_STATUS_UNSUCCESSFUL;
1570 }
1571 }
1572
1573 if (!(pdb_get_acct_ctrl(newpwd)&(ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)) &&
1574 (lp_ldap_passwd_sync() != LDAP_PASSWD_SYNC_OFF) &&
1575 need_update(newpwd, PDB_PLAINTEXT_PW) &&
1576 (pdb_get_plaintext_passwd(newpwd)!=NULL)) {
1577 BerElement *ber;
1578 struct berval *bv;
1579 char *retoid = NULL;
1580 struct berval *retdata = NULL;
1581 char *utf8_password;
1582 char *utf8_dn;
1583
1584 if (!ldap_state->is_nds_ldap) {
1585 if (!ldapsam_can_pwchange_exop(ldap_state->smbldap_state)) {
1586 DEBUG(2, ("ldap password change requested, but LDAP "
1587 "server does not support it -- ignoring\n"));
1588 return NT_STATUS_OK;
1589 }
1590 }
1591
1592 if (push_utf8_allocate(&utf8_password, pdb_get_plaintext_passwd(newpwd)) == (size_t)-1) {
1593 return NT_STATUS_NO_MEMORY;
1594 }
1595
1596 if (push_utf8_allocate(&utf8_dn, dn) == (size_t)-1) {
1597 return NT_STATUS_NO_MEMORY;
1598 }
1599
1600 if ((ber = ber_alloc_t(LBER_USE_DER))==NULL) {
1601 DEBUG(0,("ber_alloc_t returns NULL\n"));
1602 SAFE_FREE(utf8_password);
1603 return NT_STATUS_UNSUCCESSFUL;
1604 }
1605
1606 ber_printf (ber, "{");
1607 ber_printf (ber, "ts", LDAP_TAG_EXOP_MODIFY_PASSWD_ID, utf8_dn);
1608 ber_printf (ber, "ts", LDAP_TAG_EXOP_MODIFY_PASSWD_NEW, utf8_password);
1609 ber_printf (ber, "N}");
1610
1611 if ((rc = ber_flatten (ber, &bv))<0) {
1612 DEBUG(0,("ldapsam_modify_entry: ber_flatten returns a value <0\n"));
1613 ber_free(ber,1);
1614 SAFE_FREE(utf8_dn);
1615 SAFE_FREE(utf8_password);
1616 return NT_STATUS_UNSUCCESSFUL;
1617 }
1618
1619 SAFE_FREE(utf8_dn);
1620 SAFE_FREE(utf8_password);
1621 ber_free(ber, 1);
1622
1623 if (!ldap_state->is_nds_ldap) {
1624 rc = smbldap_extended_operation(ldap_state->smbldap_state,
1625 LDAP_EXOP_MODIFY_PASSWD,
1626 bv, NULL, NULL, &retoid,
1627 &retdata);
1628 } else {
1629 rc = pdb_nds_set_password(ldap_state->smbldap_state, dn,
1630 pdb_get_plaintext_passwd(newpwd));
1631 }
1632 if (rc != LDAP_SUCCESS) {
1633 char *ld_error = NULL;
1634
1635 if (rc == LDAP_OBJECT_CLASS_VIOLATION) {
1636 DEBUG(3, ("Could not set userPassword "
1637 "attribute due to an objectClass "
1638 "violation -- ignoring\n"));
1639 ber_bvfree(bv);
1640 return NT_STATUS_OK;
1641 }
1642
1643 ldap_get_option(ldap_state->smbldap_state->ldap_struct, LDAP_OPT_ERROR_STRING,
1644 &ld_error);
1645 DEBUG(0,("ldapsam_modify_entry: LDAP Password could not be changed for user %s: %s\n\t%s\n",
1646 pdb_get_username(newpwd), ldap_err2string(rc), ld_error?ld_error:"unknown"));
1647 SAFE_FREE(ld_error);
1648 ber_bvfree(bv);
1649 return NT_STATUS_UNSUCCESSFUL;
1650 } else {
1651 DEBUG(3,("ldapsam_modify_entry: LDAP Password changed for user %s\n",pdb_get_username(newpwd)));
1652 #ifdef DEBUG_PASSWORD
1653 DEBUG(100,("ldapsam_modify_entry: LDAP Password changed to %s\n",pdb_get_plaintext_passwd(newpwd)));
1654 #endif
1655 if (retdata)
1656 ber_bvfree(retdata);
1657 if (retoid)
1658 ldap_memfree(retoid);
1659 }
1660 ber_bvfree(bv);
1661 }
1662 return NT_STATUS_OK;
1663 }
1664
1665 /**********************************************************************
1666 Delete entry from LDAP for username.
1667 *********************************************************************/
1668
1669 static NTSTATUS ldapsam_delete_sam_account(struct pdb_methods *my_methods,
1670 struct samu * sam_acct)
1671 {
1672 struct ldapsam_privates *priv =
1673 (struct ldapsam_privates *)my_methods->private_data;
1674 const char *sname;
1675 int rc;
1676 LDAPMessage *msg, *entry;
1677 NTSTATUS result = NT_STATUS_NO_MEMORY;
1678 const char **attr_list;
1679 TALLOC_CTX *mem_ctx;
1680
1681 if (!sam_acct) {
1682 DEBUG(0, ("ldapsam_delete_sam_account: sam_acct was NULL!\n"));
1683 return NT_STATUS_INVALID_PARAMETER;
1684 }
1685
1686 sname = pdb_get_username(sam_acct);
1687
1688 DEBUG(3, ("ldapsam_delete_sam_account: Deleting user %s from "
1689 "LDAP.\n", sname));
1690
1691 mem_ctx = talloc_new(NULL);
1692 if (mem_ctx == NULL) {
1693 DEBUG(0, ("talloc_new failed\n"));
1694 goto done;
1695 }
1696
1697 attr_list = get_userattr_delete_list(mem_ctx, priv->schema_ver );
1698 if (attr_list == NULL) {
1699 goto done;
1700 }
1701
1702 rc = ldapsam_search_suffix_by_name(priv, sname, &msg, attr_list);
1703
1704 if ((rc != LDAP_SUCCESS) ||
1705 (ldap_count_entries(priv2ld(priv), msg) != 1) ||
1706 ((entry = ldap_first_entry(priv2ld(priv), msg)) == NULL)) {
1707 DEBUG(5, ("Could not find user %s\n", sname));
1708 result = NT_STATUS_NO_SUCH_USER;
1709 goto done;
1710 }
1711
1712 rc = ldapsam_delete_entry(
1713 priv, mem_ctx, entry,
1714 priv->schema_ver == SCHEMAVER_SAMBASAMACCOUNT ?
1715 LDAP_OBJ_SAMBASAMACCOUNT : LDAP_OBJ_SAMBAACCOUNT,
1716 attr_list);
1717
1718 result = (rc == LDAP_SUCCESS) ?
1719 NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
1720
1721 done:
1722 TALLOC_FREE(mem_ctx);
1723 return result;
1724 }
1725
1726 /**********************************************************************
1727 Helper function to determine for update_sam_account whether
1728 we need LDAP modification.
1729 *********************************************************************/
1730
1731 static BOOL element_is_changed(const struct samu *sampass,
1732 enum pdb_elements element)
1733 {
1734 return IS_SAM_CHANGED(sampass, element);
1735 }
1736
1737 /**********************************************************************
1738 Update struct samu.
1739 *********************************************************************/
1740
1741 static NTSTATUS ldapsam_update_sam_account(struct pdb_methods *my_methods, struct samu * newpwd)
1742 {
1743 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1744 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1745 int rc = 0;
1746 char *dn;
1747 LDAPMessage *result = NULL;
1748 LDAPMessage *entry = NULL;
1749 LDAPMod **mods = NULL;
1750 const char **attr_list;
1751
1752 result = pdb_get_backend_private_data(newpwd, my_methods);
1753 if (!result) {
1754 attr_list = get_userattr_list(NULL, ldap_state->schema_ver);
1755 rc = ldapsam_search_suffix_by_name(ldap_state, pdb_get_username(newpwd), &result, attr_list );
1756 TALLOC_FREE( attr_list );
1757 if (rc != LDAP_SUCCESS) {
1758 return NT_STATUS_UNSUCCESSFUL;
1759 }
1760 pdb_set_backend_private_data(newpwd, result, NULL,
1761 my_methods, PDB_CHANGED);
1762 talloc_autofree_ldapmsg(newpwd, result);
1763 }
1764
1765 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) == 0) {
1766 DEBUG(0, ("ldapsam_update_sam_account: No user to modify!\n"));
1767 return NT_STATUS_UNSUCCESSFUL;
1768 }
1769
1770 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1771 dn = smbldap_get_dn(ldap_state->smbldap_state->ldap_struct, entry);
1772 if (!dn) {
1773 return NT_STATUS_UNSUCCESSFUL;
1774 }
1775
1776 DEBUG(4, ("ldapsam_update_sam_account: user %s to be modified has dn: %s\n", pdb_get_username(newpwd), dn));
1777
1778 if (!init_ldap_from_sam(ldap_state, entry, &mods, newpwd,
1779 element_is_changed)) {
1780 DEBUG(0, ("ldapsam_update_sam_account: init_ldap_from_sam failed!\n"));
1781 SAFE_FREE(dn);
1782 if (mods != NULL)
1783 ldap_mods_free(mods,True);
1784 return NT_STATUS_UNSUCCESSFUL;
1785 }
1786
1787 if (mods == NULL) {
1788 DEBUG(4,("ldapsam_update_sam_account: mods is empty: nothing to update for user: %s\n",
1789 pdb_get_username(newpwd)));
1790 SAFE_FREE(dn);
1791 return NT_STATUS_OK;
1792 }
1793
1794 ret = ldapsam_modify_entry(my_methods,newpwd,dn,mods,LDAP_MOD_REPLACE, element_is_changed);
1795 ldap_mods_free(mods,True);
1796 SAFE_FREE(dn);
1797
1798 if (!NT_STATUS_IS_OK(ret)) {
1799 return ret;
1800 }
1801
1802 DEBUG(2, ("ldapsam_update_sam_account: successfully modified uid = %s in the LDAP database\n",
1803 pdb_get_username(newpwd)));
1804 return NT_STATUS_OK;
1805 }
1806
1807 /***************************************************************************
1808 Renames a struct samu
1809 - The "rename user script" has full responsibility for changing everything
1810 ***************************************************************************/
1811
1812 static NTSTATUS ldapsam_rename_sam_account(struct pdb_methods *my_methods,
1813 struct samu *old_acct,
1814 const char *newname)
1815 {
1816 const char *oldname;
1817 int rc;
1818 pstring rename_script;
1819
1820 if (!old_acct) {
1821 DEBUG(0, ("ldapsam_rename_sam_account: old_acct was NULL!\n"));
1822 return NT_STATUS_INVALID_PARAMETER;
1823 }
1824 if (!newname) {
1825 DEBUG(0, ("ldapsam_rename_sam_account: newname was NULL!\n"));
1826 return NT_STATUS_INVALID_PARAMETER;
1827 }
1828
1829 oldname = pdb_get_username(old_acct);
1830
1831 /* rename the posix user */
1832 pstrcpy(rename_script, lp_renameuser_script());
1833
1834 if (!(*rename_script))
1835 return NT_STATUS_ACCESS_DENIED;
1836
1837 DEBUG (3, ("ldapsam_rename_sam_account: Renaming user %s to %s.\n",
1838 oldname, newname));
1839
1840 pstring_sub(rename_script, "%unew", newname);
1841 pstring_sub(rename_script, "%uold", oldname);
1842 rc = smbrun(rename_script, NULL);
1843
1844 DEBUG(rc ? 0 : 3,("Running the command `%s' gave %d\n",
1845 rename_script, rc));
1846
1847 if (rc)
1848 return NT_STATUS_UNSUCCESSFUL;
1849
1850 return NT_STATUS_OK;
1851 }
1852
1853 /**********************************************************************
1854 Helper function to determine for update_sam_account whether
1855 we need LDAP modification.
1856 *********************************************************************/
1857
1858 static BOOL element_is_set_or_changed(const struct samu *sampass,
1859 enum pdb_elements element)
1860 {
1861 return (IS_SAM_SET(sampass, element) ||
1862 IS_SAM_CHANGED(sampass, element));
1863 }
1864
1865 /**********************************************************************
1866 Add struct samu to LDAP.
1867 *********************************************************************/
1868
1869 static NTSTATUS ldapsam_add_sam_account(struct pdb_methods *my_methods, struct samu * newpwd)
1870 {
1871 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1872 struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
1873 int rc;
1874 LDAPMessage *result = NULL;
1875 LDAPMessage *entry = NULL;
1876 pstring dn;
1877 LDAPMod **mods = NULL;
1878 int ldap_op = LDAP_MOD_REPLACE;
1879 uint32 num_result;
1880 const char **attr_list;
1881 char *escape_user;
1882 const char *username = pdb_get_username(newpwd);
1883 const DOM_SID *sid = pdb_get_user_sid(newpwd);
1884 pstring filter;
1885 fstring sid_string;
1886
1887 if (!username || !*username) {
1888 DEBUG(0, ("ldapsam_add_sam_account: Cannot add user without a username!\n"));
1889 return NT_STATUS_INVALID_PARAMETER;
1890 }
1891
1892 /* free this list after the second search or in case we exit on failure */
1893 attr_list = get_userattr_list(NULL, ldap_state->schema_ver);
1894
1895 rc = ldapsam_search_suffix_by_name (ldap_state, username, &result, attr_list);
1896
1897 if (rc != LDAP_SUCCESS) {
1898 TALLOC_FREE( attr_list );
1899 return NT_STATUS_UNSUCCESSFUL;
1900 }
1901
1902 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) != 0) {
1903 DEBUG(0,("ldapsam_add_sam_account: User '%s' already in the base, with samba attributes\n",
1904 username));
1905 ldap_msgfree(result);
1906 TALLOC_FREE( attr_list );
1907 return NT_STATUS_UNSUCCESSFUL;
1908 }
1909 ldap_msgfree(result);
1910 result = NULL;
1911
1912 if (element_is_set_or_changed(newpwd, PDB_USERSID)) {
1913 rc = ldapsam_get_ldap_user_by_sid(ldap_state,
1914 sid, &result);
1915 if (rc == LDAP_SUCCESS) {
1916 if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) != 0) {
1917 DEBUG(0,("ldapsam_add_sam_account: SID '%s' already in the base, with samba attributes\n",
1918 sid_to_string(sid_string, sid)));
1919 TALLOC_FREE( attr_list );
1920 ldap_msgfree(result);
1921 return NT_STATUS_UNSUCCESSFUL;
1922 }
1923 ldap_msgfree(result);
1924 }
1925 }
1926
1927 /* does the entry already exist but without a samba attributes?
1928 we need to return the samba attributes here */
1929
1930 escape_user = escape_ldap_string_alloc( username );
1931 pstrcpy( filter, "(uid=%u)" );
1932 all_string_sub( filter, "%u", escape_user, sizeof(filter) );
1933 SAFE_FREE( escape_user );
1934
1935 rc = smbldap_search_suffix(ldap_state->smbldap_state,
1936 filter, attr_list, &result);
1937 if ( rc != LDAP_SUCCESS ) {
1938 TALLOC_FREE( attr_list );
1939 return NT_STATUS_UNSUCCESSFUL;
1940 }
1941
1942 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
1943
1944 if (num_result > 1) {
1945 DEBUG (0, ("ldapsam_add_sam_account: More than one user with that uid exists: bailing out!\n"));
1946 TALLOC_FREE( attr_list );
1947 ldap_msgfree(result);
1948 return NT_STATUS_UNSUCCESSFUL;
1949 }
1950
1951 /* Check if we need to update an existing entry */
1952 if (num_result == 1) {
1953 char *tmp;
1954
1955 DEBUG(3,("ldapsam_add_sam_account: User exists without samba attributes: adding them\n"));
1956 ldap_op = LDAP_MOD_REPLACE;
1957 entry = ldap_first_entry (ldap_state->smbldap_state->ldap_struct, result);
1958 tmp = smbldap_get_dn (ldap_state->smbldap_state->ldap_struct, entry);
1959 if (!tmp) {
1960 TALLOC_FREE( attr_list );
1961 ldap_msgfree(result);
1962 return NT_STATUS_UNSUCCESSFUL;
1963 }
1964 slprintf (dn, sizeof (dn) - 1, "%s", tmp);
1965 SAFE_FREE(tmp);
1966
1967 } else if (ldap_state->schema_ver == SCHEMAVER_SAMBASAMACCOUNT) {
1968
1969 /* There might be a SID for this account already - say an idmap entry */
1970
1971 pstr_sprintf(filter, "(&(%s=%s)(|(objectClass=%s)(objectClass=%s)))",
1972 get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_SID),
1973 sid_to_string(sid_string, sid),
1974 LDAP_OBJ_IDMAP_ENTRY,
1975 LDAP_OBJ_SID_ENTRY);
1976
1977 /* free old result before doing a new search */
1978 if (result != NULL) {
1979 ldap_msgfree(result);
1980 result = NULL;
1981 }
1982 rc = smbldap_search_suffix(ldap_state->smbldap_state,
1983 filter, attr_list, &result);
1984
1985 if ( rc != LDAP_SUCCESS ) {
1986 TALLOC_FREE( attr_list );
1987 return NT_STATUS_UNSUCCESSFUL;
1988 }
1989
1990 num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
1991
1992 if (num_result > 1) {
1993 DEBUG (0, ("ldapsam_add_sam_account: More than one user with that uid exists: bailing out!\n"));
1994 TALLOC_FREE( attr_list );
1995 ldap_msgfree(result);
1996 return NT_STATUS_UNSUCCESSFUL;
1997 }
1998
1999 /* Check if we need to update an existing entry */
2000 if (num_result == 1) {
2001 char *tmp;
2002
2003 DEBUG(3,("ldapsam_add_sam_account: User exists without samba attributes: adding them\n"));
2004 ldap_op = LDAP_MOD_REPLACE;
2005 entry = ldap_first_entry (ldap_state->smbldap_state->ldap_struct, result);
2006 tmp = smbldap_get_dn (ldap_state->smbldap_state->ldap_struct, entry);
2007 if (!tmp) {
2008 TALLOC_FREE( attr_list );
2009 ldap_msgfree(result);
2010 return NT_STATUS_UNSUCCESSFUL;
2011 }
2012 slprintf (dn, sizeof (dn) - 1, "%s", tmp);
2013 SAFE_FREE(tmp);
2014 }
2015 }
2016
2017 TALLOC_FREE( attr_list );
2018
2019 if (num_result == 0) {
2020 /* Check if we need to add an entry */
2021 DEBUG(3,("ldapsam_add_sam_account: Adding new user\n"));
2022 ldap_op = LDAP_MOD_ADD;
2023 if (username[strlen(username)-1] == '$') {
2024 slprintf (dn, sizeof (dn) - 1, "uid=%s,%s", username, lp_ldap_machine_suffix ());
2025 } else {
2026 slprintf (dn, sizeof (dn) - 1, "uid=%s,%s", username, lp_ldap_user_suffix ());
2027 }
2028 }
2029
2030 if (!init_ldap_from_sam(ldap_state, entry, &mods, newpwd,
2031 element_is_set_or_changed)) {
2032 DEBUG(0, ("ldapsam_add_sam_account: init_ldap_from_sam failed!\n"));
2033 ldap_msgfree(result);
2034 if (mods != NULL)
2035 ldap_mods_free(mods,True);
2036 return NT_STATUS_UNSUCCESSFUL;
2037 }
2038
2039 ldap_msgfree(result);
2040
2041 if (mods == NULL) {
2042 DEBUG(0,("ldapsam_add_sam_account: mods is empty: nothing to add for user: %s\n",pdb_get_username(newpwd)));
2043 return NT_STATUS_UNSUCCESSFUL;
2044 }
2045 switch ( ldap_state->schema_ver ) {
2046 case SCHEMAVER_SAMBAACCOUNT:
2047 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_SAMBAACCOUNT);
2048 break;
2049 case SCHEMAVER_SAMBASAMACCOUNT:
2050 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_SAMBASAMACCOUNT);
2051 break;
2052 default:
2053 DEBUG(0,("ldapsam_add_sam_account: invalid schema version specified\n"));
2054 break;
2055 }
2056
2057 ret = ldapsam_modify_entry(my_methods,newpwd,dn,mods,ldap_op, element_is_set_or_changed);
2058 if (!NT_STATUS_IS_OK(ret)) {
2059 DEBUG(0,("ldapsam_add_sam_account: failed to modify/add user with uid = %s (dn = %s)\n",
2060 pdb_get_username(newpwd),dn));
2061 ldap_mods_free(mods, True);
2062 return ret;
2063 }
2064
2065 DEBUG(2,("ldapsam_add_sam_account: added: uid == %s in the LDAP database\n", pdb_get_username(newpwd)));
2066 ldap_mods_free(mods, True);
2067
2068 return NT_STATUS_OK;
2069 }
2070
2071 /**********************************************************************
2072 *********************************************************************/
2073
2074 static int ldapsam_search_one_group (struct ldapsam_privates *ldap_state,
2075 const char *filter,
2076 LDAPMessage ** result)
2077 {
2078 int scope = LDAP_SCOPE_SUBTREE;
2079 int rc;
2080 const char **attr_list;
2081
2082 attr_list = get_attr_list(NULL, groupmap_attr_list);
2083 rc = smbldap_search(ldap_state->smbldap_state,
2084 lp_ldap_group_suffix (), scope,
2085 filter, attr_list, 0, result);
2086 TALLOC_FREE(attr_list);
2087
2088 return rc;
2089 }
2090
2091 /**********************************************************************
2092 *********************************************************************/
2093
2094 static BOOL init_group_from_ldap(struct ldapsam_privates *ldap_state,
2095 GROUP_MAP *map, LDAPMessage *entry)
2096 {
2097 pstring temp;
2098
2099 if (ldap_state == NULL || map == NULL || entry == NULL ||
2100 ldap_state->smbldap_state->ldap_struct == NULL) {
2101 DEBUG(0, ("init_group_from_ldap: NULL parameters found!\n"));
2102 return False;
2103 }
2104
2105 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
2106 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GIDNUMBER), temp)) {
2107 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2108 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GIDNUMBER)));
2109 return False;
2110 }
2111 DEBUG(2, ("init_group_from_ldap: Entry found for group: %s\n", temp));
2112
2113 map->gid = (gid_t)atol(temp);
2114
2115 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
2116 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_SID), temp)) {
2117 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2118 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_SID)));
2119 return False;
2120 }
2121
2122 if (!string_to_sid(&map->sid, temp)) {
2123 DEBUG(1, ("SID string [%s] could not be read as a valid SID\n", temp));
2124 return False;
2125 }
2126
2127 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
2128 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_TYPE), temp)) {
2129 DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2130 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_TYPE)));
2131 return False;
2132 }
2133 map->sid_name_use = (enum SID_NAME_USE)atol(temp);
2134
2135 if ((map->sid_name_use < SID_NAME_USER) ||
2136 (map->sid_name_use > SID_NAME_UNKNOWN)) {
2137 DEBUG(0, ("init_group_from_ldap: Unknown Group type: %d\n", map->sid_name_use));
2138 return False;
2139 }
2140
2141 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
2142 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_DISPLAY_NAME), temp)) {
2143 temp[0] = '\0';
2144 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
2145 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_CN), temp))
2146 {
2147 DEBUG(0, ("init_group_from_ldap: Attributes cn not found either \
2148 for gidNumber(%lu)\n",(unsigned long)map->gid));
2149 return False;
2150 }
2151 }
2152 fstrcpy(map->nt_name, temp);
2153
2154 if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
2155 get_attr_key2string( groupmap_attr_list, LDAP_ATTR_DESC), temp)) {
2156 temp[0] = '\0';
2157 }
2158 fstrcpy(map->comment, temp);
2159
2160 if (lp_parm_bool(-1, "ldapsam", "trusted", False)) {
2161 store_gid_sid_cache(&map->sid, map->gid);
2162 }
2163
2164 return True;
2165 }
2166
2167 /**********************************************************************
2168 *********************************************************************/
2169
2170 static NTSTATUS ldapsam_getgroup(struct pdb_methods *methods,
2171 const char *filter,
2172 GROUP_MAP *map)
2173 {
2174 struct ldapsam_privates *ldap_state =
2175 (struct ldapsam_privates *)methods->private_data;
2176 LDAPMessage *result = NULL;
2177 LDAPMessage *entry = NULL;
2178 int count;
2179
2180 if (ldapsam_search_one_group(ldap_state, filter, &result)
2181 != LDAP_SUCCESS) {
2182 return NT_STATUS_NO_SUCH_GROUP;
2183 }
2184
2185 count = ldap_count_entries(priv2ld(ldap_state), result);
2186
2187 if (count < 1) {
2188 DEBUG(4, ("ldapsam_getgroup: Did not find group\n"));
2189 ldap_msgfree(result);
2190 return NT_STATUS_NO_SUCH_GROUP;
2191 }
2192
2193 if (count > 1) {
2194 DEBUG(1, ("ldapsam_getgroup: Duplicate entries for filter %s: "
2195 "count=%d\n", filter, count));
2196 ldap_msgfree(result);
2197 return NT_STATUS_NO_SUCH_GROUP;
2198 }
2199
2200 entry = ldap_first_entry(priv2ld(ldap_state), result);
2201
2202 if (!entry) {
2203 ldap_msgfree(result);
2204 return NT_STATUS_UNSUCCESSFUL;
2205 }
2206
2207 if (!init_group_from_ldap(ldap_state, map, entry)) {
2208 DEBUG(1, ("ldapsam_getgroup: init_group_from_ldap failed for "
2209 "group filter %s\n", filter));
2210 ldap_msgfree(result);
2211 return NT_STATUS_NO_SUCH_GROUP;
2212 }
2213
2214 ldap_msgfree(result);
2215 return NT_STATUS_OK;
2216 }
2217
2218 /**********************************************************************
2219 *********************************************************************/
2220
2221 static NTSTATUS ldapsam_getgrsid(struct pdb_methods *methods, GROUP_MAP *map,
2222 DOM_SID sid)
2223 {
2224 pstring filter;
2225
2226 pstr_sprintf(filter, "(&(objectClass=%s)(%s=%s))",
2227 LDAP_OBJ_GROUPMAP,
2228 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GROUP_SID),
2229 sid_string_static(&sid));
2230
2231 return ldapsam_getgroup(methods, filter, map);
2232 }
2233
2234 /**********************************************************************
2235 *********************************************************************/
2236
2237 static NTSTATUS ldapsam_getgrgid(struct pdb_methods *methods, GROUP_MAP *map,
2238 gid_t gid)
2239 {
2240 pstring filter;
2241
2242 pstr_sprintf(filter, "(&(objectClass=%s)(%s=%lu))",
2243 LDAP_OBJ_GROUPMAP,
2244 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GIDNUMBER),
2245 (unsigned long)gid);
2246
2247 return ldapsam_getgroup(methods, filter, map);
2248 }
2249
2250 /**********************************************************************
2251 *********************************************************************/
2252
2253 static NTSTATUS ldapsam_getgrnam(struct pdb_methods *methods, GROUP_MAP *map,
2254 const char *name)
2255 {
2256 pstring filter;
2257 char *escape_name = escape_ldap_string_alloc(name);
2258
2259 if (!escape_name) {
2260 return NT_STATUS_NO_MEMORY;
2261 }
2262
2263 pstr_sprintf(filter, "(&(objectClass=%s)(|(%s=%s)(%s=%s)))",
2264 LDAP_OBJ_GROUPMAP,
2265 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_DISPLAY_NAME), escape_name,
2266 get_attr_key2string(groupmap_attr_list, LDAP_ATTR_CN), escape_name);
2267
2268 SAFE_FREE(escape_name);
2269
2270 return ldapsam_getgroup(methods, filter, map);
2271 }
2272
2273 static void add_rid_to_array_unique(TALLOC_CTX *mem_ctx,
2274 uint32 rid, uint32 **pp_rids, size_t *p_num)
2275 {
2276 size_t i;
2277
2278 for (i=0; i<*p_num; i++) {
2279 if ((*pp_rids)[i] == rid)
2280 return;
2281 }
2282
2283 *pp_rids = TALLOC_REALLOC_ARRAY(mem_ctx, *pp_rids, uint32, *p_num+1);
2284
2285 if (*pp_rids == NULL)
2286 return;
2287
2288 (*pp_rids)[*p_num] = rid;
2289 *p_num += 1;
2290 }
2291
2292 static BOOL ldapsam_extract_rid_from_entry(LDAP *ldap_struct,
2293 LDAPMessage *entry,
2294 const DOM_SID *domain_sid,
2295 uint32 *rid)
2296 {
2297 fstring str;
2298 DOM_SID sid;
2299
2300 if (!smbldap_get_single_attribute(ldap_struct, entry, "sambaSID",
2301 str, sizeof(str)-1)) {
2302 DEBUG(10, ("Could not find sambaSID attribute\n"));
2303 return False;
2304 }
2305
2306 if (!string_to_sid(&sid, str)) {
2307 DEBUG(10, ("Could not convert string %s to sid\n", str));
2308 return False;
2309 }
2310
2311 if (sid_compare_domain(&sid, domain_sid) != 0) {
2312 DEBUG(10, ("SID %s is not in expected domain %s\n",
2313 str, sid_string_static(domain_sid)));
2314 return False;
2315 }
2316
2317 if (!sid_peek_rid(&sid, rid)) {
2318 DEBUG(10, ("Could not peek into RID\n"));
2319 return False;
2320 }
2321
2322 return True;
2323 }
2324
2325 static NTSTATUS ldapsam_enum_group_members(struct pdb_methods *methods,
2326 TALLOC_CTX *mem_ctx,
2327 const DOM_SID *group,
2328 uint32 **pp_member_rids,
2329 size_t *p_num_members)
2330 {
2331 struct ldapsam_privates *ldap_state =
2332 (struct ldapsam_privates *)methods->private_data;
2333 struct smbldap_state *conn = ldap_state->smbldap_state;
2334 pstring filter;
2335 int rc, count;
2336 LDAPMessage *msg = NULL;
2337 LDAPMessage *entry;
2338 char **values = NULL;
2339 char **memberuid;
2340 char *sid_filter = NULL;
2341 char *tmp;
2342 NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
2343
2344 *pp_member_rids = NULL;
2345 *p_num_members = 0;
2346
2347 pstr_sprintf(filter,
2348 "(&(objectClass=sambaSamAccount)"
2349 "(sambaPrimaryGroupSid=%s))",
2350 sid_string_static(group));
2351
2352 {
2353 const char *attrs[] = { "sambaSID", NULL };
2354 rc = smbldap_search(conn, lp_ldap_user_suffix(),
2355 LDAP_SCOPE_SUBTREE, filter, attrs, 0,
2356 &msg);
2357 }
2358
2359 if (rc != LDAP_SUCCESS)
2360 goto done;
2361
2362 for (entry = ldap_first_entry(conn->ldap_struct, msg);
2363 entry != NULL;
2364 entry = ldap_next_entry(conn->ldap_struct, entry))
2365 {
2366 uint32 rid;
2367
2368 if (!ldapsam_extract_rid_from_entry(conn->ldap_struct,
2369 entry,
2370 get_global_sam_sid(),
2371 &rid)) {
2372 DEBUG(2, ("Could not find sid from ldap entry\n"));
2373 continue;
2374 }
2375
2376 add_rid_to_array_unique(mem_ctx, rid, pp_member_rids,
2377 p_num_members);
2378 }
2379
2380 if (msg != NULL)
2381 ldap_msgfree(msg);
2382
2383 pstr_sprintf(filter,
2384 "(&(objectClass=sambaGroupMapping)"
2385 "(objectClass=posixGroup)"
2386 "(sambaSID=%s))",
2387 sid_string_static(group));
2388
2389 {
2390 const char *attrs[] = { "memberUid", NULL };
2391 rc = smbldap_search(conn, lp_ldap_user_suffix(),
2392 LDAP_SCOPE_SUBTREE, filter, attrs, 0,
2393 &msg);
2394 }
2395
2396 if (rc != LDAP_SUCCESS)
2397 goto done;
2398
2399 count = ldap_count_entries(conn->ldap_struct, msg);
2400
2401 if (count > 1) {
2402 DEBUG(1, ("Found more than one groupmap entry for %s\n",
2403 sid_string_static(group)));
2404 goto done;
2405 }
2406
2407 if (count == 0) {
2408 result = NT_STATUS_OK;
2409 goto done;
2410 }
2411
2412 entry = ldap_first_entry(conn->ldap_struct, msg);
2413 if (entry == NULL)
2414 goto done;
2415
2416 values = ldap_get_values(conn->ldap_struct, msg, "memberUid");
2417 if (values == NULL) {
2418 result = NT_STATUS_OK;
2419 goto done;
2420 }
2421
2422 sid_filter = SMB_STRDUP("(&(objectClass=sambaSamAccount)(|");
2423 if (sid_filter == NULL) {
2424 result = NT_STATUS_NO_MEMORY;
2425 goto done;
2426 }
2427
2428 for (memberuid = values; *memberuid != NULL; memberuid += 1) {
2429 tmp = sid_filter;
2430 asprintf(&sid_filter, "%s(uid=%s)", tmp, *memberuid);
2431 free(tmp);
2432 if (sid_filter == NULL) {
2433 result = NT_STATUS_NO_MEMORY;
2434 goto done;
2435 }
2436 }
2437
2438 tmp = sid_filter;
2439 asprintf(&sid_filter, "%s))", sid_filter);
2440 free(tmp);
2441 if (sid_filter == NULL) {
2442 result = NT_STATUS_NO_MEMORY;
2443 goto done;
2444 }
2445
2446 {
2447 const char *attrs[] = { "sambaSID", NULL };
2448 rc = smbldap_search(conn, lp_ldap_user_suffix(),
2449 LDAP_SCOPE_SUBTREE, sid_filter, attrs, 0,
2450 &msg);
2451 }
2452
2453 if (rc != LDAP_SUCCESS)
2454 goto done;
2455
2456 for (entry = ldap_first_entry(conn->ldap_struct, msg);
2457 entry != NULL;
2458 entry = ldap_next_entry(conn->ldap_struct, entry))
2459 {
2460 fstring str;
2461 DOM_SID sid;
2462 uint32 rid;
2463
2464 if (!smbldap_get_single_attribute(conn->ldap_struct,
2465 entry, "sambaSID",
2466 str, sizeof(str)-1))
2467 continue;
2468
2469 if (!string_to_sid(&sid, str))
2470 goto done;
2471
2472 if (!sid_check_is_in_our_domain(&sid)) {
2473 DEBUG(1, ("Inconsistent SAM -- group member uid not "
2474 "in our domain\n"));
2475 continue;
2476 }
2477
2478 sid_peek_rid(&sid, &rid);
2479
2480 add_rid_to_array_unique(mem_ctx, rid, pp_member_rids,
2481 p_num_members);
2482 }
2483
2484 result = NT_STATUS_OK;
2485
2486 done:
2487 SAFE_FREE(sid_filter);
2488
2489 if (values != NULL)
2490 ldap_value_free(values);
2491
2492 if (msg != NULL)
2493 ldap_msgfree(msg);
2494
2495 return result;
2496 }
2497
2498 static NTSTATUS ldapsam_enum_group_memberships(struct pdb_methods *methods,
2499 TALLOC_CTX *mem_ctx,
2500 struct samu *user,
2501 DOM_SID **pp_sids,
2502 gid_t **pp_gids,
2503 size_t *p_num_groups)
2504 {
2505 struct ldapsam_privates *ldap_state =
2506 (struct ldapsam_privates *)methods->private_data;
2507 struct smbldap_state *conn = ldap_state->smbldap_state;
2508 pstring filter;
2509 const char *attrs[] = { "gidNumber", "sambaSID", NULL };
2510 char *escape_name;
2511 int rc;
2512 LDAPMessage *msg = NULL;
2513 LDAPMessage *entry;
2514 NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
2515 size_t num_sids, num_gids;
2516 gid_t primary_gid;
2517
2518 *pp_sids = NULL;
2519 num_sids = 0;
2520
2521 if (!sid_to_gid(pdb_get_group_sid(user), &primary_gid)) {
2522 DEBUG(1, ("sid_to_gid failed for user's primary group\n"));
2523 return NT_STATUS_INTERNAL_DB_CORRUPTION;
2524 }
2525
2526 escape_name = escape_ldap_string_alloc(pdb_get_username(user));
2527
2528 if (escape_name == NULL)
2529 return NT_STATUS_NO_MEMORY;
2530
2531 pstr_sprintf(filter, "(&(objectClass=posixGroup)"
2532 "(|(memberUid=%s)(gidNumber=%d)))",
2533 escape_name, primary_gid);
2534
2535 rc = smbldap_search(conn, lp_ldap_group_suffix(),
2536 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &msg);
2537
2538 if (rc != LDAP_SUCCESS)
2539 goto done;
2540
2541 num_gids = 0;
2542 *pp_gids = NULL;
2543
2544 num_sids = 0;
2545 *pp_sids = NULL;
2546
2547 /* We need to add the primary group as the first gid/sid */
2548
2549 add_gid_to_array_unique(mem_ctx, primary_gid, pp_gids, &num_gids);
2550
2551 /* This sid will be replaced later */
2552
2553 add_sid_to_array_unique(mem_ctx, &global_sid_NULL, pp_sids, &num_sids);
2554
2555 for (entry = ldap_first_entry(conn->ldap_struct, msg);
2556 entry != NULL;
2557 entry = ldap_next_entry(conn->ldap_struct, entry))
2558 {
2559 fstring str;
2560 DOM_SID sid;
2561 gid_t gid;
2562 char *end;
2563
2564 if (!smbldap_get_single_attribute(conn->ldap_struct,
2565 entry, "sambaSID",
2566 str, sizeof(str)-1))
2567 continue;
2568
2569 if (!string_to_sid(&sid, str))
2570 goto done;
2571
2572 if (!smbldap_get_single_attribute(conn->ldap_struct,
2573 entry, "gidNumber",
2574 str, sizeof(str)-1))
2575 continue;
2576
2577 gid = strtoul(str, &end, 10);
2578
2579 if (PTR_DIFF(end, str) != strlen(str))
2580 goto done;
2581
2582 if (gid == primary_gid) {
2583 sid_copy(&(*pp_sids)[0], &sid);
2584 } else {
2585 add_gid_to_array_unique(mem_ctx, gid, pp_gids,
2586 &num_gids);
2587 add_sid_to_array_unique(mem_ctx, &sid, pp_sids,
2588 &num_sids);
2589 }
2590 }
2591
2592 if (sid_compare(&global_sid_NULL, &(*pp_sids)[0]) == 0) {
2593 DEBUG(3, ("primary group of [%s] not found\n",
2594 pdb_get_username(user)));
2595 goto done;
2596 }
2597
2598 *p_num_groups = num_sids;
2599
2600 result = NT_STATUS_OK;
2601
2602 done:
2603
2604 SAFE_FREE(escape_name);
2605 if (msg != NULL)
2606 ldap_msgfree(msg);
2607
2608 return result;
2609 }
2610
2611 /**********************************************************************
2612 * Augment a posixGroup object with a sambaGroupMapping domgroup
2613 *********************************************************************/
2614
2615 static NTSTATUS ldapsam_map_posixgroup(TALLOC_CTX *mem_ctx,
2616 struct ldapsam_privates *ldap_state,
2617 GROUP_MAP *map)
2618 {
2619 const char *filter, *dn;
2620 LDAPMessage *msg, *entry;
2621 LDAPMod **mods;
2622 int rc;
2623
2624 filter = talloc_asprintf(mem_ctx,
2625 "(&(objectClass=posixGroup)(gidNumber=%u))",
2626 map->gid);
2627 if (filter == NULL) {
2628 return NT_STATUS_NO_MEMORY;
2629 }
2630
2631 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter,
2632 get_attr_list(mem_ctx, groupmap_attr_list),
2633 &msg);
2634 talloc_autofree_ldapmsg(mem_ctx, msg);
2635
2636 if ((rc != LDAP_SUCCESS) ||
2637 (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) != 1) ||
2638 ((entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg)) == NULL)) {
2639 return NT_STATUS_NO_SUCH_GROUP;
2640 }
2641
2642 dn = smbldap_talloc_dn(mem_ctx, ldap_state->smbldap_state->ldap_struct, entry);
2643 if (dn == NULL) {
2644 return NT_STATUS_NO_MEMORY;
2645 }
2646
2647 mods = NULL;
2648 smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass",
2649 "sambaGroupMapping");
2650 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "sambaSid",
2651 sid_string_static(&map->sid));
2652 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "sambaGroupType",
2653 talloc_asprintf(mem_ctx, "%d", map->sid_name_use));
2654 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "displayName",
2655 map->nt_name);
2656 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "description",
2657 map->comment);
2658 talloc_autofree_ldapmod(mem_ctx, mods);
2659
2660 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
2661 if (rc != LDAP_SUCCESS) {
2662 return NT_STATUS_ACCESS_DENIED;
2663 }
2664
2665 return NT_STATUS_OK;
2666 }
2667
2668 static NTSTATUS ldapsam_add_group_mapping_entry(struct pdb_methods *methods,
2669 GROUP_MAP *map)
2670 {
2671 struct ldapsam_privates *ldap_state =
2672 (struct ldapsam_privates *)methods->private_data;
2673 LDAPMessage *msg = NULL;
2674 LDAPMod **mods = NULL;
2675 const char *attrs[] = { NULL };
2676 char *filter;
2677
2678 char *dn;
2679 TALLOC_CTX *mem_ctx;
2680 NTSTATUS result;
2681
2682 DOM_SID sid;
2683
2684 int rc;
2685
2686 mem_ctx = talloc_new(NULL);
2687 if (mem_ctx == NULL) {
2688 DEBUG(0, ("talloc_new failed\n"));
2689 return NT_STATUS_NO_MEMORY;
2690 }
2691
2692 filter = talloc_asprintf(mem_ctx, "(sambaSid=%s)",
2693 sid_string_static(&map->sid));
2694 if (filter == NULL) {
2695 result = NT_STATUS_NO_MEMORY;
2696 goto done;
2697 }
2698
2699 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_suffix(),
2700 LDAP_SCOPE_SUBTREE, filter, attrs, True, &msg);
2701 talloc_autofree_ldapmsg(mem_ctx, msg);
2702
2703 if ((rc == LDAP_SUCCESS) &&
2704 (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) > 0)) {
2705
2706 DEBUG(3, ("SID %s already present in LDAP, refusing to add "
2707 "group mapping entry\n",
2708 sid_string_static(&map->sid)));
2709 result = NT_STATUS_GROUP_EXISTS;
2710 goto done;
2711 }
2712
2713 switch (map->sid_name_use) {
2714
2715 case SID_NAME_DOM_GRP:
2716 /* To map a domain group we need to have a posix group
2717 to attach to. */
2718 result = ldapsam_map_posixgroup(mem_ctx, ldap_state, map);
2719 goto done;
2720 break;
2721
2722 case SID_NAME_ALIAS:
2723 if (!sid_check_is_in_our_domain(&map->sid)) {
2724 DEBUG(3, ("Refusing to map sid %s as an alias, not "
2725 "in our domain\n",
2726 sid_string_static(&map->sid)));
2727 result = NT_STATUS_INVALID_PARAMETER;
2728 goto done;
2729 }
2730 break;
2731
2732 case SID_NAME_WKN_GRP:
2733 if (!sid_check_is_in_builtin(&map->sid)) {
2734 DEBUG(3, ("Refusing to map sid %s as an alias, not "
2735 "in builtin domain\n",
2736 sid_string_static(&map->sid)));
2737 result = NT_STATUS_INVALID_PARAMETER;
2738 goto done;
2739 }
2740 break;
2741
2742 default:
2743 DEBUG(3, ("Got invalid use '%s' for mapping\n",
2744 sid_type_lookup(map->sid_name_use)));
2745 result = NT_STATUS_INVALID_PARAMETER;
2746 goto done;
2747 }
2748
2749 /* Domain groups have been mapped in a separate routine, we have to
2750 * create an alias now */
2751
2752 if (map->gid == -1) {
2753 DEBUG(10, ("Refusing to map gid==-1\n"));
2754 result = NT_STATUS_INVALID_PARAMETER;
2755 goto done;
2756 }
2757
2758 if (pdb_gid_to_sid(map->gid, &sid)) {
2759 DEBUG(3, ("Gid %d is already mapped to SID %s, refusing to "
2760 "add\n", map->gid, sid_string_static(&sid)));
2761 result = NT_STATUS_GROUP_EXISTS;
2762 goto done;
2763 }
2764
2765 /* Ok, enough checks done. It's still racy to go ahead now, but that's
2766 * the best we can get out of LDAP. */
2767
2768 dn = talloc_asprintf(mem_ctx, "sambaSid=%s,%s",
2769 sid_string_static(&map->sid),
2770 lp_ldap_group_suffix());
2771 if (dn == NULL) {
2772 result = NT_STATUS_NO_MEMORY;
2773 goto done;
2774 }
2775
2776 mods = NULL;
2777
2778 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "objectClass",
2779 "sambaSidEntry");
2780 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "objectClass",
2781 "sambaGroupMapping");
2782
2783 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "sambaSid",
2784 sid_string_static(&map->sid));
2785 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "sambaGroupType",
2786 talloc_asprintf(mem_ctx, "%d", map->sid_name_use));
2787 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "displayName",
2788 map->nt_name);
2789 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "description",
2790 map->comment);
2791 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "gidNumber",
2792 talloc_asprintf(mem_ctx, "%u", map->gid));
2793 talloc_autofree_ldapmod(mem_ctx, mods);
2794
2795 rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
2796
2797 result = (rc == LDAP_SUCCESS) ?
2798 NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
2799
2800 done:
2801 TALLOC_FREE(mem_ctx);
2802 return result;
2803 }
2804
2805 /**********************************************************************
2806 * Update a group mapping entry. We're quite strict about what can be changed:
2807 * Only the description and displayname may be changed. It simply does not
2808 * make any sense to change the SID, gid or the type in a mapping.
2809 *********************************************************************/
2810
2811 static NTSTATUS ldapsam_update_group_mapping_entry(struct pdb_methods *methods,
2812 GROUP_MAP *map)
2813 {
2814 struct ldapsam_privates *ldap_state =
2815 (struct ldapsam_privates *)methods->private_data;
2816 int rc;
2817 const char *filter, *dn;
2818 LDAPMessage *msg = NULL;
2819 LDAPMessage *entry = NULL;
2820 LDAPMod **mods = NULL;
2821 TALLOC_CTX *mem_ctx;
2822 NTSTATUS result;
2823
2824 mem_ctx = talloc_new(NULL);
2825 if (mem_ctx == NULL) {
2826 DEBUG(0, ("talloc_new failed\n"));
2827 return NT_STATUS_NO_MEMORY;
2828 }
2829
2830 /* Make 100% sure that sid, gid and type are not changed by looking up
2831 * exactly the values we're given in LDAP. */
2832
2833 filter = talloc_asprintf(mem_ctx, "(&(objectClass=sambaGroupMapping)"
2834 "(sambaSid=%s)(gidNumber=%u)"
2835 "(sambaGroupType=%d))",
2836 sid_string_static(&map->sid), map->gid,
2837 map->sid_name_use);
2838 if (filter == NULL) {
2839 result = NT_STATUS_NO_MEMORY;
2840 goto done;
2841 }
2842
2843 rc = smbldap_search_suffix(ldap_state->smbldap_state, filter,
2844 get_attr_list(mem_ctx, groupmap_attr_list),
2845 &msg);
2846 talloc_autofree_ldapmsg(mem_ctx, msg);
2847
2848 if ((rc != LDAP_SUCCESS) ||
2849 (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) != 1) ||
2850 ((entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg)) == NULL)) {
2851 result = NT_STATUS_NO_SUCH_GROUP;
2852 goto done;
2853 }
2854
2855 dn = smbldap_talloc_dn(mem_ctx, ldap_state->smbldap_state->ldap_struct, entry);
2856
2857 if (dn == NULL) {
2858 result = NT_STATUS_NO_MEMORY;
2859 goto done;
2860 }
2861
2862 mods = NULL;
2863 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "displayName",
2864 map->nt_name);
2865 smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "description",
2866 map->comment);
2867 talloc_autofree_ldapmod(mem_ctx, mods);
2868
2869 if (mods == NULL) {
2870 DEBUG(4, ("ldapsam_update_group_mapping_entry: mods is empty: "
2871 "nothing to do\n"));
2872 result = NT_STATUS_OK;
2873 goto done;
2874 }
2875
2876 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
2877
2878 if (rc != LDAP_SUCCESS) {
2879 result = NT_STATUS_ACCESS_DENIED;
2880 goto done;
2881 }
2882
2883 DEBUG(2, ("ldapsam_update_group_mapping_entry: successfully modified "
2884 "group %lu in LDAP\n", (unsigned long)map->gid));
2885
2886 result = NT_STATUS_OK;
2887
2888 done:
2889 TALLOC_FREE(mem_ctx);
2890 return result;
2891 }
2892
2893 /**********************************************************************
2894 *********************************************************************/
2895
2896 static NTSTATUS ldapsam_delete_group_mapping_entry(struct pdb_methods *methods,
2897 DOM_SID sid)
2898 {
2899 struct ldapsam_privates *priv =
2900 (struct ldapsam_privates *)methods->private_data;
2901 LDAPMessage *msg, *entry;
2902 int rc;
2903 NTSTATUS result;
2904 TALLOC_CTX *mem_ctx;
2905 char *filter;
2906
2907 mem_ctx = talloc_new(NULL);
2908 if (mem_ctx == NULL) {
2909 DEBUG(0, ("talloc_new failed\n"));
2910 return NT_STATUS_NO_MEMORY;
2911 }
2912
2913 filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)(%s=%s))",
2914 LDAP_OBJ_GROUPMAP, LDAP_ATTRIBUTE_SID,
2915 sid_string_static(&sid));
2916 if (filter == NULL) {
2917 result = NT_STATUS_NO_MEMORY;
2918 goto done;
2919 }
2920 rc = smbldap_search_suffix(priv->smbldap_state, filter,
2921 get_attr_list(mem_ctx, groupmap_attr_list),
2922 &msg);
2923 talloc_autofree_ldapmsg(mem_ctx, msg);
2924
2925 if ((rc != LDAP_SUCCESS) ||
2926 (ldap_count_entries(priv2ld(priv), msg) != 1) ||
2927 ((entry = ldap_first_entry(priv2ld(priv), msg)) == NULL)) {
2928 result = NT_STATUS_NO_SUCH_GROUP;
2929 goto done;
2930 }
2931
2932 rc = ldapsam_delete_entry(priv, mem_ctx, entry, LDAP_OBJ_GROUPMAP,
2933 get_attr_list(mem_ctx,
2934 groupmap_attr_list_to_delete));
2935
2936 if ((rc == LDAP_NAMING_VIOLATION) ||
2937 (rc == LDAP_OBJECT_CLASS_VIOLATION)) {
2938 const char *attrs[] = { "sambaGroupType", "description",
2939 "displayName", "sambaSIDList",
2940 NULL };
2941
2942 /* Second try. Don't delete the sambaSID attribute, this is
2943 for "old" entries that are tacked on a winbind
2944 sambaIdmapEntry. */
2945
2946 rc = ldapsam_delete_entry(priv, mem_ctx, entry,
2947 LDAP_OBJ_GROUPMAP, attrs);
2948 }
2949
2950 if ((rc == LDAP_NAMING_VIOLATION) ||
2951 (rc == LDAP_OBJECT_CLASS_VIOLATION)) {
2952 const char *attrs[] = { "sambaGroupType", "description",
2953 "displayName", "sambaSIDList",
2954 "gidNumber", NULL };
2955
2956 /* Third try. This is a post-3.0.21 alias (containing only
2957 * sambaSidEntry and sambaGroupMapping classes), we also have
2958 * to delete the gidNumber attribute, only the sambaSidEntry
2959 * remains */
2960
2961 rc = ldapsam_delete_entry(priv, mem_ctx, entry,
2962 LDAP_OBJ_GROUPMAP, attrs);
2963 }
2964
2965 result = (rc == LDAP_SUCCESS) ? NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL;
2966
2967 done:
2968 TALLOC_FREE(mem_ctx);
2969 return result;
2970 }
2971
2972 /**********************************************************************
2973 *********************************************************************/
2974
2975 static NTSTATUS ldapsam_setsamgrent(struct pdb_methods *my_methods,
2976 BOOL update)
2977 {
2978 struct ldapsam_privates *ldap_state =
2979 (struct ldapsam_privates *)my_methods->private_data;
2980 fstring filter;
2981 int rc;
2982 const char **attr_list;
2983
2984 pstr_sprintf( filter, "(objectclass=%s)", LDAP_OBJ_GROUPMAP);
2985 attr_list = get_attr_list( NULL, groupmap_attr_list );
2986 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_group_suffix(),
2987 LDAP_SCOPE_SUBTREE, filter,
2988 attr_list, 0, &ldap_state->result);
2989 TALLOC_FREE(attr_list);
2990
2991 if (rc != LDAP_SUCCESS) {
2992 DEBUG(0, ("ldapsam_setsamgrent: LDAP search failed: %s\n",
2993 ldap_err2string(rc)));
2994 DEBUG(3, ("ldapsam_setsamgrent: Query was: %s, %s\n",
2995 lp_ldap_group_suffix(), filter));
2996 ldap_msgfree(ldap_state->result);
2997 ldap_state->result = NULL;
2998 return NT_STATUS_UNSUCCESSFUL;
2999 }
3000
3001 DEBUG(2, ("ldapsam_setsamgrent: %d entries in the base!\n",
3002 ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3003 ldap_state->result)));
3004
3005 ldap_state->entry =
3006 ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3007 ldap_state->result);
3008 ldap_state->index = 0;
3009
3010 return NT_STATUS_OK;
3011 }
3012
3013 /**********************************************************************
3014 *********************************************************************/
3015
3016 static void ldapsam_endsamgrent(struct pdb_methods *my_methods)
3017 {
3018 ldapsam_endsampwent(my_methods);
3019 }
3020
3021 /**********************************************************************
3022 *********************************************************************/
3023
3024 static NTSTATUS ldapsam_getsamgrent(struct pdb_methods *my_methods,
3025 GROUP_MAP *map)
3026 {
3027 NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
3028 struct ldapsam_privates *ldap_state =
3029 (struct ldapsam_privates *)my_methods->private_data;
3030 BOOL bret = False;
3031
3032 while (!bret) {
3033 if (!ldap_state->entry)
3034 return ret;
3035
3036 ldap_state->index++;
3037 bret = init_group_from_ldap(ldap_state, map,
3038 ldap_state->entry);
3039
3040 ldap_state->entry =
3041 ldap_next_entry(ldap_state->smbldap_state->ldap_struct,
3042 ldap_state->entry);
3043 }
3044
3045 return NT_STATUS_OK;
3046 }
3047
3048 /**********************************************************************
3049 *********************************************************************/
3050
3051 static NTSTATUS ldapsam_enum_group_mapping(struct pdb_methods *methods,
3052 enum SID_NAME_USE sid_name_use,
3053 GROUP_MAP **pp_rmap,
3054 size_t *p_num_entries,
3055 BOOL unix_only)
3056 {
3057 GROUP_MAP map;
3058 GROUP_MAP *mapt;
3059 size_t entries = 0;
3060
3061 *p_num_entries = 0;
3062 *pp_rmap = NULL;
3063
3064 if (!NT_STATUS_IS_OK(ldapsam_setsamgrent(methods, False))) {
3065 DEBUG(0, ("ldapsam_enum_group_mapping: Unable to open "
3066 "passdb\n"));
3067 return NT_STATUS_ACCESS_DENIED;
3068 }
3069
3070 while (NT_STATUS_IS_OK(ldapsam_getsamgrent(methods, &map))) {
3071 if (sid_name_use != SID_NAME_UNKNOWN &&
3072 sid_name_use != map.sid_name_use) {
3073 DEBUG(11,("ldapsam_enum_group_mapping: group %s is "
3074 "not of the requested type\n", map.nt_name));
3075 continue;
3076 }
3077 if (unix_only==ENUM_ONLY_MAPPED && map.gid==-1) {
3078 DEBUG(11,("ldapsam_enum_group_mapping: group %s is "
3079 "non mapped\n", map.nt_name));
3080 continue;
3081 }
3082
3083 mapt=SMB_REALLOC_ARRAY((*pp_rmap), GROUP_MAP, entries+1);
3084 if (!mapt) {
3085 DEBUG(0,("ldapsam_enum_group_mapping: Unable to "
3086 "enlarge group map!\n"));
3087 SAFE_FREE(*pp_rmap);
3088 return NT_STATUS_UNSUCCESSFUL;
3089 }
3090 else
3091 (*pp_rmap) = mapt;
3092
3093 mapt[entries] = map;
3094
3095 entries += 1;
3096
3097 }
3098 ldapsam_endsamgrent(methods);
3099
3100 *p_num_entries = entries;
3101
3102 return NT_STATUS_OK;
3103 }
3104
3105 static NTSTATUS ldapsam_modify_aliasmem(struct pdb_methods *methods,
3106 const DOM_SID *alias,
3107 const DOM_SID *member,
3108 int modop)
3109 {
3110 struct ldapsam_privates *ldap_state =
3111 (struct ldapsam_privates *)methods->private_data;
3112 char *dn;
3113 LDAPMessage *result = NULL;
3114 LDAPMessage *entry = NULL;
3115 int count;
3116 LDAPMod **mods = NULL;
3117 int rc;
3118 enum SID_NAME_USE type = SID_NAME_USE_NONE;
3119
3120 pstring filter;
3121
3122 if (sid_check_is_in_builtin(alias)) {
3123 type = SID_NAME_WKN_GRP;
3124 }
3125
3126 if (sid_check_is_in_our_domain(alias)) {
3127 type = SID_NAME_ALIAS;
3128 }
3129
3130 if (type == SID_NAME_USE_NONE) {
3131 DEBUG(5, ("SID %s is neither in builtin nor in our domain!\n",
3132 sid_string_static(alias)));
3133 return NT_STATUS_NO_SUCH_ALIAS;
3134 }
3135
3136 pstr_sprintf(filter,
3137 "(&(objectClass=%s)(sambaSid=%s)(sambaGroupType=%d))",
3138 LDAP_OBJ_GROUPMAP, sid_string_static(alias),
3139 type);
3140
3141 if (ldapsam_search_one_group(ldap_state, filter,
3142 &result) != LDAP_SUCCESS)
3143 return NT_STATUS_NO_SUCH_ALIAS;
3144
3145 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3146 result);
3147
3148 if (count < 1) {
3149 DEBUG(4, ("ldapsam_modify_aliasmem: Did not find alias\n"));
3150 ldap_msgfree(result);
3151 return NT_STATUS_NO_SUCH_ALIAS;
3152 }
3153
3154 if (count > 1) {
3155 DEBUG(1, ("ldapsam_modify_aliasmem: Duplicate entries for "
3156 "filter %s: count=%d\n", filter, count));
3157 ldap_msgfree(result);
3158 return NT_STATUS_NO_SUCH_ALIAS;
3159 }
3160
3161 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3162 result);
3163
3164 if (!entry) {
3165 ldap_msgfree(result);
3166 return NT_STATUS_UNSUCCESSFUL;
3167 }
3168
3169 dn = smbldap_get_dn(ldap_state->smbldap_state->ldap_struct, entry);
3170 if (!dn) {
3171 ldap_msgfree(result);
3172 return NT_STATUS_UNSUCCESSFUL;
3173 }
3174
3175 smbldap_set_mod(&mods, modop,
3176 get_attr_key2string(groupmap_attr_list,
3177 LDAP_ATTR_SID_LIST),
3178 sid_string_static(member));
3179
3180 rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3181
3182 ldap_mods_free(mods, True);
3183 ldap_msgfree(result);
3184 SAFE_FREE(dn);
3185
3186 if (rc == LDAP_TYPE_OR_VALUE_EXISTS) {
3187 return NT_STATUS_MEMBER_IN_ALIAS;
3188 }
3189
3190 if (rc == LDAP_NO_SUCH_ATTRIBUTE) {
3191 return NT_STATUS_MEMBER_NOT_IN_ALIAS;
3192 }
3193
3194 if (rc != LDAP_SUCCESS) {
3195 return NT_STATUS_UNSUCCESSFUL;
3196 }
3197
3198 return NT_STATUS_OK;
3199 }
3200
3201 static NTSTATUS ldapsam_add_aliasmem(struct pdb_methods *methods,
3202 const DOM_SID *alias,
3203 const DOM_SID *member)
3204 {
3205 return ldapsam_modify_aliasmem(methods, alias, member, LDAP_MOD_ADD);
3206 }
3207
3208 static NTSTATUS ldapsam_del_aliasmem(struct pdb_methods *methods,
3209 const DOM_SID *alias,
3210 const DOM_SID *member)
3211 {
3212 return ldapsam_modify_aliasmem(methods, alias, member,
3213 LDAP_MOD_DELETE);
3214 }
3215
3216 static NTSTATUS ldapsam_enum_aliasmem(struct pdb_methods *methods,
3217 const DOM_SID *alias,
3218 DOM_SID **pp_members,
3219 size_t *p_num_members)
3220 {
3221 struct ldapsam_privates *ldap_state =
3222 (struct ldapsam_privates *)methods->private_data;
3223 LDAPMessage *result = NULL;
3224 LDAPMessage *entry = NULL;
3225 int count;
3226 char **values;
3227 int i;
3228 pstring filter;
3229 size_t num_members = 0;
3230 enum SID_NAME_USE type = SID_NAME_USE_NONE;
3231
3232 *pp_members = NULL;
3233 *p_num_members = 0;
3234
3235 if (sid_check_is_in_builtin(alias)) {
3236 type = SID_NAME_WKN_GRP;
3237 }
3238
3239 if (sid_check_is_in_our_domain(alias)) {
3240 type = SID_NAME_ALIAS;
3241 }
3242
3243 if (type == SID_NAME_USE_NONE) {
3244 DEBUG(5, ("SID %s is neither in builtin nor in our domain!\n",
3245 sid_string_static(alias)));
3246 return NT_STATUS_NO_SUCH_ALIAS;
3247 }
3248
3249 pstr_sprintf(filter,
3250 "(&(objectClass=%s)(sambaSid=%s)(sambaGroupType=%d))",
3251 LDAP_OBJ_GROUPMAP, sid_string_static(alias),
3252 type);
3253
3254 if (ldapsam_search_one_group(ldap_state, filter,
3255 &result) != LDAP_SUCCESS)
3256 return NT_STATUS_NO_SUCH_ALIAS;
3257
3258 count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3259 result);
3260
3261 if (count < 1) {
3262 DEBUG(4, ("ldapsam_enum_aliasmem: Did not find alias\n"));
3263 ldap_msgfree(result);
3264 return NT_STATUS_NO_SUCH_ALIAS;
3265 }
3266
3267 if (count > 1) {
3268 DEBUG(1, ("ldapsam_enum_aliasmem: Duplicate entries for "
3269 "filter %s: count=%d\n", filter, count));
3270 ldap_msgfree(result);
3271 return NT_STATUS_NO_SUCH_ALIAS;
3272 }
3273
3274 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3275 result);
3276
3277 if (!entry) {
3278 ldap_msgfree(result);
3279 return NT_STATUS_UNSUCCESSFUL;
3280 }
3281
3282 values = ldap_get_values(ldap_state->smbldap_state->ldap_struct,
3283 entry,
3284 get_attr_key2string(groupmap_attr_list,
3285 LDAP_ATTR_SID_LIST));
3286
3287 if (values == NULL) {
3288 ldap_msgfree(result);
3289 return NT_STATUS_OK;
3290 }
3291
3292 count = ldap_count_values(values);
3293
3294 for (i=0; i<count; i++) {
3295 DOM_SID member;
3296
3297 if (!string_to_sid(&member, values[i]))
3298 continue;
3299
3300 add_sid_to_array(NULL, &member, pp_members, &num_members);
3301 }
3302
3303 *p_num_members = num_members;
3304 ldap_value_free(values);
3305 ldap_msgfree(result);
3306
3307 return NT_STATUS_OK;
3308 }
3309
3310 static NTSTATUS ldapsam_alias_memberships(struct pdb_methods *methods,
3311 TALLOC_CTX *mem_ctx,
3312 const DOM_SID *domain_sid,
3313 const DOM_SID *members,
3314 size_t num_members,
3315 uint32 **pp_alias_rids,
3316 size_t *p_num_alias_rids)
3317 {
3318 struct ldapsam_privates *ldap_state =
3319 (struct ldapsam_privates *)methods->private_data;
3320 LDAP *ldap_struct;
3321
3322 const char *attrs[] = { LDAP_ATTRIBUTE_SID, NULL };
3323
3324 LDAPMessage *result = NULL;
3325 LDAPMessage *entry = NULL;
3326 int i;
3327 int rc;
3328 char *filter;
3329 enum SID_NAME_USE type = SID_NAME_USE_NONE;
3330
3331 if (sid_check_is_builtin(domain_sid)) {
3332 type = SID_NAME_WKN_GRP;
3333 }
3334
3335 if (sid_check_is_domain(domain_sid)) {
3336 type = SID_NAME_ALIAS;
3337 }
3338
3339 if (type == SID_NAME_USE_NONE) {
3340 DEBUG(5, ("SID %s is neither builtin nor domain!\n",
3341 sid_string_static(domain_sid)));
3342 return NT_STATUS_UNSUCCESSFUL;
3343 }
3344
3345 filter = talloc_asprintf(mem_ctx,
3346 "(&(|(objectclass=%s)(sambaGroupType=%d))(|",
3347 LDAP_OBJ_GROUPMAP, type);
3348
3349 for (i=0; i<num_members; i++)
3350 filter = talloc_asprintf(mem_ctx, "%s(sambaSIDList=%s)",
3351 filter,
3352 sid_string_static(&members[i]));
3353
3354 filter = talloc_asprintf(mem_ctx, "%s))", filter);
3355
3356 rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_group_suffix(),
3357 LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
3358
3359 if (rc != LDAP_SUCCESS)
3360 return NT_STATUS_UNSUCCESSFUL;
3361
3362 ldap_struct = ldap_state->smbldap_state->ldap_struct;
3363
3364 for (entry = ldap_first_entry(ldap_struct, result);
3365 entry != NULL;
3366 entry = ldap_next_entry(ldap_struct, entry))
3367 {
3368 fstring sid_str;
3369 DOM_SID sid;
3370 uint32 rid;
3371
3372 if (!smbldap_get_single_attribute(ldap_struct, entry,
3373 LDAP_ATTRIBUTE_SID,
3374 sid_str,
3375 sizeof(sid_str)-1))
3376 continue;
3377
3378 if (!string_to_sid(&sid, sid_str))
3379 continue;
3380
3381 if (!sid_peek_check_rid(domain_sid, &sid, &rid))
3382 continue;
3383
3384 add_rid_to_array_unique(mem_ctx, rid, pp_alias_rids,
3385 p_num_alias_rids);
3386 }
3387
3388 ldap_msgfree(result);
3389 return NT_STATUS_OK;
3390 }
3391
3392 static NTSTATUS ldapsam_set_account_policy_in_ldap(struct pdb_methods *methods,
3393 int policy_index,
3394 uint32 value)
3395 {
3396 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3397 int rc;
3398 LDAPMod **mods = NULL;
3399 fstring value_string;
3400 const char *policy_attr = NULL;
3401
3402 struct ldapsam_privates *ldap_state =
3403 (struct ldapsam_privates *)methods->private_data;
3404
3405 const char *attrs[2];
3406
3407 DEBUG(10,("ldapsam_set_account_policy_in_ldap\n"));
3408
3409 if (!ldap_state->domain_dn) {
3410 return NT_STATUS_INVALID_PARAMETER;
3411 }
3412
3413 policy_attr = get_account_policy_attr(policy_index);
3414 if (policy_attr == NULL) {
3415 DEBUG(0,("ldapsam_set_account_policy_in_ldap: invalid "
3416 "policy\n"));
3417 return ntstatus;
3418 }
3419
3420 attrs[0] = policy_attr;
3421 attrs[1] = NULL;
3422
3423 slprintf(value_string, sizeof(value_string) - 1, "%i", value);
3424
3425 smbldap_set_mod(&mods, LDAP_MOD_REPLACE, policy_attr, value_string);
3426
3427 rc = smbldap_modify(ldap_state->smbldap_state, ldap_state->domain_dn,
3428 mods);
3429
3430 ldap_mods_free(mods, True);
3431
3432 if (rc != LDAP_SUCCESS) {
3433 return ntstatus;
3434 }
3435
3436 if (!cache_account_policy_set(policy_index, value)) {
3437 DEBUG(0,("ldapsam_set_account_policy_in_ldap: failed to "
3438 "update local tdb cache\n"));
3439 return ntstatus;
3440 }
3441
3442 return NT_STATUS_OK;
3443 }
3444
3445 static NTSTATUS ldapsam_set_account_policy(struct pdb_methods *methods,
3446 int policy_index, uint32 value)
3447 {
3448 if (!account_policy_migrated(False)) {
3449 return (account_policy_set(policy_index, value)) ?
3450 NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL;
3451 }
3452
3453 return ldapsam_set_account_policy_in_ldap(methods, policy_index,
3454 value);
3455 }
3456
3457 static NTSTATUS ldapsam_get_account_policy_from_ldap(struct pdb_methods *methods,
3458 int policy_index,
3459 uint32 *value)
3460 {
3461 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3462 LDAPMessage *result = NULL;
3463 LDAPMessage *entry = NULL;
3464 int count;
3465 int rc;
3466 char **vals = NULL;
3467 const char *policy_attr = NULL;
3468
3469 struct ldapsam_privates *ldap_state =
3470 (struct ldapsam_privates *)methods->private_data;
3471
3472 const char *attrs[2];
3473
3474 DEBUG(10,("ldapsam_get_account_policy_from_ldap\n"));
3475
3476 if (!ldap_state->domain_dn) {
3477 return NT_STATUS_INVALID_PARAMETER;
3478 }
3479
3480 policy_attr = get_account_policy_attr(policy_index);
3481 if (!policy_attr) {
3482 DEBUG(0,("ldapsam_get_account_policy_from_ldap: invalid "
3483 "policy index: %d\n", policy_index));
3484 return ntstatus;
3485 }
3486
3487 attrs[0] = policy_attr;
3488 attrs[1] = NULL;
3489
3490 rc = smbldap_search(ldap_state->smbldap_state, ldap_state->domain_dn,
3491 LDAP_SCOPE_BASE, "(objectclass=*)", attrs, 0,
3492 &result);
3493
3494 if (rc != LDAP_SUCCESS) {
3495 return ntstatus;
3496 }
3497
3498 count = ldap_count_entries(priv2ld(ldap_state), result);
3499 if (count < 1) {
3500 goto out;
3501 }
3502
3503 entry = ldap_first_entry(priv2ld(ldap_state), result);
3504 if (entry == NULL) {
3505 goto out;
3506 }
3507
3508 vals = ldap_get_values(priv2ld(ldap_state), entry, policy_attr);
3509 if (vals == NULL) {
3510 goto out;
3511 }
3512
3513 *value = (uint32)atol(vals[0]);
3514
3515 ntstatus = NT_STATUS_OK;
3516
3517 out:
3518 if (vals)
3519 ldap_value_free(vals);
3520 ldap_msgfree(result);
3521
3522 return ntstatus;
3523 }
3524
3525 /* wrapper around ldapsam_get_account_policy_from_ldap(), handles tdb as cache
3526
3527 - if user hasn't decided to use account policies inside LDAP just reuse the
3528 old tdb values
3529
3530 - if there is a valid cache entry, return that
3531 - if there is an LDAP entry, update cache and return
3532 - otherwise set to default, update cache and return
3533
3534 Guenther
3535 */
3536 static NTSTATUS ldapsam_get_account_policy(struct pdb_methods *methods,
3537 int policy_index, uint32 *value)
3538 {
3539 NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3540
3541 if (!account_policy_migrated(False)) {
3542 return (account_policy_get(policy_index, value))
3543 ? NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL;
3544 }
3545
3546 if (cache_account_policy_get(policy_index, value)) {
3547 DEBUG(11,("ldapsam_get_account_policy: got valid value from "
3548 "cache\n"));
3549 return NT_STATUS_OK;
3550 }
3551
3552 ntstatus = ldapsam_get_account_policy_from_ldap(methods, policy_index,
3553 value);
3554 if (NT_STATUS_IS_OK(ntstatus)) {
3555 goto update_cache;
3556 }
3557
3558 DEBUG(10,("ldapsam_get_account_policy: failed to retrieve from "
3559 "ldap\n"));
3560
3561 #if 0
3562 /* should we automagically migrate old tdb value here ? */
3563 if (account_policy_get(policy_index, value))
3564 goto update_ldap;
3565
3566 DEBUG(10,("ldapsam_get_account_policy: no tdb for %d, trying "
3567 "default\n", policy_index));
3568 #endif
3569
3570 if (!account_policy_get_default(policy_index, value)) {
3571 return ntstatus;
3572 }
3573
3574 /* update_ldap: */
3575
3576 ntstatus = ldapsam_set_account_policy(methods, policy_index, *value);
3577 if (!NT_STATUS_IS_OK(ntstatus)) {
3578 return ntstatus;
3579 }
3580
3581 update_cache:
3582
3583 if (!cache_account_policy_set(policy_index, *value)) {
3584 DEBUG(0,("ldapsam_get_account_policy: failed to update local "
3585 "tdb as a cache\n"));
3586 return NT_STATUS_UNSUCCESSFUL;
3587 }
3588
3589 return NT_STATUS_OK;
3590 }
3591
3592 static NTSTATUS ldapsam_lookup_rids(struct pdb_methods *methods,
3593 const DOM_SID *domain_sid,
3594 int num_rids,
3595 uint32 *rids,
3596 const char **names,
3597 uint32 *attrs)
3598 {
3599 struct ldapsam_privates *ldap_state =
3600 (struct ldapsam_privates *)methods->private_data;
3601 LDAPMessage *msg = NULL;
3602 LDAPMessage *entry;
3603 char *allsids = NULL;
3604 int i, rc, num_mapped;
3605 NTSTATUS result = NT_STATUS_NO_MEMORY;
3606 TALLOC_CTX *mem_ctx;
3607 LDAP *ld;
3608 BOOL is_builtin;
3609
3610 mem_ctx = talloc_new(NULL);
3611 if (mem_ctx == NULL) {
3612 DEBUG(0, ("talloc_new failed\n"));
3613 goto done;
3614 }
3615
3616 if (!sid_check_is_builtin(domain_sid) &&
3617 !sid_check_is_domain(domain_sid)) {
3618 result = NT_STATUS_INVALID_PARAMETER;
3619 goto done;
3620 }
3621
3622 for (i=0; i<num_rids; i++)
3623 attrs[i] = SID_NAME_UNKNOWN;
3624
3625 allsids = talloc_strdup(mem_ctx, "");
3626 if (allsids == NULL) {
3627 goto done;
3628 }
3629
3630 for (i=0; i<num_rids; i++) {
3631 DOM_SID sid;
3632 sid_copy(&sid, domain_sid);
3633 sid_append_rid(&sid, rids[i]);
3634 allsids = talloc_asprintf_append(allsids, "(sambaSid=%s)",
3635 sid_string_static(&sid));
3636 if (allsids == NULL) {
3637 goto done;
3638 }
3639 }
3640
3641 /* First look for users */
3642
3643 {
3644 char *filter;
3645 const char *ldap_attrs[] = { "uid", "sambaSid", NULL };
3646
3647 filter = talloc_asprintf(
3648 mem_ctx, ("(&(objectClass=sambaSamAccount)(|%s))"),
3649 allsids);
3650
3651 if (filter == NULL) {
3652 goto done;
3653 }
3654
3655 rc = smbldap_search(ldap_state->smbldap_state,
3656 lp_ldap_user_suffix(),
3657 LDAP_SCOPE_SUBTREE, filter, ldap_attrs, 0,
3658 &msg);
3659 talloc_autofree_ldapmsg(mem_ctx, msg);
3660 }
3661
3662 if (rc != LDAP_SUCCESS)
3663 goto done;
3664
3665 ld = ldap_state->smbldap_state->ldap_struct;
3666 num_mapped = 0;
3667
3668 for (entry = ldap_first_entry(ld, msg);
3669 entry != NULL;
3670 entry = ldap_next_entry(ld, entry)) {
3671 uint32 rid;
3672 int rid_index;
3673 const char *name;
3674
3675 if (!ldapsam_extract_rid_from_entry(ld, entry, domain_sid,
3676 &rid)) {
3677 DEBUG(2, ("Could not find sid from ldap entry\n"));
3678 continue;
3679 }
3680
3681 name = smbldap_talloc_single_attribute(ld, entry, "uid",
3682 names);
3683 if (name == NULL) {
3684 DEBUG(2, ("Could not retrieve uid attribute\n"));
3685 continue;
3686 }
3687
3688 for (rid_index = 0; rid_index < num_rids; rid_index++) {
3689 if (rid == rids[rid_index])
3690 break;
3691 }
3692
3693 if (rid_index == num_rids) {
3694 DEBUG(2, ("Got a RID not asked for: %d\n", rid));
3695 continue;
3696 }
3697
3698 attrs[rid_index] = SID_NAME_USER;
3699 names[rid_index] = name;
3700 num_mapped += 1;
3701 }
3702
3703 if (num_mapped == num_rids) {
3704 /* No need to look for groups anymore -- we're done */
3705 result = NT_STATUS_OK;
3706 goto done;
3707 }
3708
3709 /* Same game for groups */
3710
3711 {
3712 char *filter;
3713 const char *ldap_attrs[] = { "cn", "displayName", "sambaSid",
3714 "sambaGroupType", NULL };
3715
3716 filter = talloc_asprintf(
3717 mem_ctx, "(&(objectClass=sambaGroupMapping)(|%s))",
3718 allsids);
3719 if (filter == NULL) {
3720 goto done;
3721 }
3722
3723 rc = smbldap_search(ldap_state->smbldap_state,
3724 lp_ldap_group_suffix(),
3725 LDAP_SCOPE_SUBTREE, filter, ldap_attrs, 0,
3726 &msg);
3727 talloc_autofree_ldapmsg(mem_ctx, msg);
3728 }
3729
3730 if (rc != LDAP_SUCCESS)
3731 goto done;
3732
3733 /* ldap_struct might have changed due to a reconnect */
3734
3735 ld = ldap_state->smbldap_state->ldap_struct;
3736
3737 /* For consistency checks, we already checked we're only domain or builtin */
3738
3739 is_builtin = sid_check_is_builtin(domain_sid);
3740
3741 for (entry = ldap_first_entry(ld, msg);
3742 entry != NULL;
3743 entry = ldap_next_entry(ld, entry))
3744 {
3745 uint32 rid;
3746 int rid_index;
3747 const char *attr;
3748 enum SID_NAME_USE type;
3749 const char *dn = smbldap_talloc_dn(mem_ctx, ld, entry);
3750
3751 attr = smbldap_talloc_single_attribute(ld, entry, "sambaGroupType",
3752 mem_ctx);
3753 if (attr == NULL) {
3754 DEBUG(2, ("Could not extract type from ldap entry %s\n",
3755 dn));
3756 continue;
3757 }
3758
3759 type = atol(attr);
3760
3761 /* Consistency checks */
3762 if ((is_builtin && (type != SID_NAME_WKN_GRP)) ||
3763 (!is_builtin && ((type != SID_NAME_ALIAS) &&
3764 (type != SID_NAME_DOM_GRP)))) {
3765 DEBUG(2, ("Rejecting invalid group mapping entry %s\n", dn));
3766 }
3767
3768 if (!ldapsam_extract_rid_from_entry(ld, entry, domain_sid,
3769 &rid)) {
3770 DEBUG(2, ("Could not find sid from ldap entry %s\n", dn));
3771 continue;
3772 }
3773
3774 attr = smbldap_talloc_single_attribute(ld, entry, "cn", names);
3775
3776 if (attr == NULL) {
3777 DEBUG(10, ("Could not retrieve 'cn' attribute from %s\n",
3778 dn));
3779 attr = smbldap_talloc_single_attribute(
3780 ld, entry, "displayName", names);
3781 }
3782
3783 if (attr == NULL) {
3784 DEBUG(2, ("Could not retrieve naming attribute from %s\n",
3785 dn));
3786 continue;
3787 }
3788
3789 for (rid_index = 0; rid_index < num_rids; rid_index++) {
3790 if (rid == rids[rid_index])
3791 break;
3792 }
3793
3794 if (rid_index == num_rids) {
3795 DEBUG(2, ("Got a RID not asked for: %d\n", rid));
3796 continue;
3797 }
3798
3799 attrs[rid_index] = type;
3800 names[rid_index] = attr;
3801 num_mapped += 1;
3802 }
3803
3804 result = NT_STATUS_NONE_MAPPED;
3805
3806 if (num_mapped > 0)
3807 result = (num_mapped == num_rids) ?
3808 NT_STATUS_OK : STATUS_SOME_UNMAPPED;
3809 done:
3810 TALLOC_FREE(mem_ctx);
3811 return result;
3812 }
3813
3814 static char *get_ldap_filter(TALLOC_CTX *mem_ctx, const char *username)
3815 {
3816 char *filter = NULL;
3817 char *escaped = NULL;
3818 char *result = NULL;
3819
3820 asprintf(&filter, "(&%s(objectclass=sambaSamAccount))",
3821 "(uid=%u)");
3822 if (filter == NULL) goto done;
3823
3824 escaped = escape_ldap_string_alloc(username);
3825 if (escaped == NULL) goto done;
3826
3827 result = talloc_string_sub(mem_ctx, filter, "%u", username);
3828
3829 done:
3830 SAFE_FREE(filter);
3831 SAFE_FREE(escaped);
3832
3833 return result;
3834 }
3835
3836 const char **talloc_attrs(TALLOC_CTX *mem_ctx, ...)
3837 {
3838 int i, num = 0;
3839 va_list ap;
3840 const char **result;
3841
3842 va_start(ap, mem_ctx);
3843 while (va_arg(ap, const char *) != NULL)
3844 num += 1;
3845 va_end(ap);
3846
3847 result = TALLOC_ARRAY(mem_ctx, const char *, num+1);
3848
3849 va_start(ap, mem_ctx);
3850 for (i=0; i<num; i++)
3851 result[i] = talloc_strdup(mem_ctx, va_arg(ap, const char*));
3852 va_end(ap);
3853
3854 result[num] = NULL;
3855 return result;
3856 }
3857
3858 struct ldap_search_state {
3859 struct smbldap_state *connection;
3860
3861 uint16 acct_flags;
3862 uint16 group_type;
3863
3864 const char *base;
3865 int scope;
3866 const char *filter;
3867 const char **attrs;
3868 int attrsonly;
3869 void *pagedresults_cookie;
3870
3871 LDAPMessage *entries, *current_entry;
3872 BOOL (*ldap2displayentry)(struct ldap_search_state *state,
3873 TALLOC_CTX *mem_ctx,
3874 LDAP *ld, LDAPMessage *entry,
3875 struct samr_displayentry *result);
3876 };
3877
3878 static BOOL ldapsam_search_firstpage(struct pdb_search *search)
3879 {
3880 struct ldap_search_state *state = search->private_data;
3881 LDAP *ld;
3882 int rc = LDAP_OPERATIONS_ERROR;
3883
3884 state->entries = NULL;
3885
3886 if (state->connection->paged_results) {
3887 rc = smbldap_search_paged(state->connection, state->base,
3888 state->scope, state->filter,
3889 state->attrs, state->attrsonly,
3890 lp_ldap_page_size(), &state->entries,
3891 &state->pagedresults_cookie);
3892 }
3893
3894 if ((rc != LDAP_SUCCESS) || (state->entries == NULL)) {
3895
3896 if (state->entries != NULL) {
3897 /* Left over from unsuccessful paged attempt */
3898 ldap_msgfree(state->entries);
3899 state->entries = NULL;
3900 }
3901
3902 rc = smbldap_search(state->connection, state->base,
3903 state->scope, state->filter, state->attrs,
3904 state->attrsonly, &state->entries);
3905
3906 if ((rc != LDAP_SUCCESS) || (state->entries == NULL))
3907 return False;
3908
3909 /* Ok, the server was lying. It told us it could do paged
3910 * searches when it could not. */
3911 state->connection->paged_results = False;
3912 }
3913
3914 ld = state->connection->ldap_struct;
3915 if ( ld == NULL) {
3916 DEBUG(5, ("Don't have an LDAP connection right after a "
3917 "search\n"));
3918 return False;
3919 }
3920 state->current_entry = ldap_first_entry(ld, state->entries);
3921
3922 if (state->current_entry == NULL) {
3923 ldap_msgfree(state->entries);
3924 state->entries = NULL;
3925 }
3926
3927 return True;
3928 }
3929
3930 static BOOL ldapsam_search_nextpage(struct pdb_search *search)
3931 {
3932 struct ldap_search_state *state = search->private_data;
3933 int rc;
3934
3935 if (!state->connection->paged_results) {
3936 /* There is no next page when there are no paged results */
3937 return False;
3938 }
3939
3940 rc = smbldap_search_paged(state->connection, state->base,
3941 state->scope, state->filter, state->attrs,
3942 state->attrsonly, lp_ldap_page_size(),
3943 &state->entries,
3944 &state->pagedresults_cookie);
3945
3946 if ((rc != LDAP_SUCCESS) || (state->entries == NULL))
3947 return False;
3948
3949 state->current_entry = ldap_first_entry(state->connection->ldap_struct, state->entries);
3950
3951 if (state->current_entry == NULL) {
3952 ldap_msgfree(state->entries);
3953 state->entries = NULL;
3954 }
3955
3956 return True;
3957 }
3958
3959 static BOOL ldapsam_search_next_entry(struct pdb_search *search,
3960 struct samr_displayentry *entry)
3961 {
3962 struct ldap_search_state *state = search->private_data;
3963 BOOL result;
3964
3965 retry:
3966 if ((state->entries == NULL) && (state->pagedresults_cookie == NULL))
3967 return False;
3968
3969 if ((state->entries == NULL) &&
3970 !ldapsam_search_nextpage(search))
3971 return False;
3972
3973 result = state->ldap2displayentry(state, search->mem_ctx, state->connection->ldap_struct,
3974 state->current_entry, entry);
3975
3976 if (!result) {
3977 char *dn;
3978 dn = ldap_get_dn(state->connection->ldap_struct, state->current_entry);
3979 DEBUG(5, ("Skipping entry %s\n", dn != NULL ? dn : "<NULL>"));
3980 if (dn != NULL) ldap_memfree(dn);
3981 }
3982
3983 state->current_entry = ldap_next_entry(state->connection->ldap_struct, state->current_entry);
3984
3985 if (state->current_entry == NULL) {
3986 ldap_msgfree(state->entries);
3987 state->entries = NULL;
3988 }
3989
3990 if (!result) goto retry;
3991
3992 return True;
3993 }
3994
3995 static void ldapsam_search_end(struct pdb_search *search)
3996 {
3997 struct ldap_search_state *state = search->private_data;
3998 int rc;
3999
4000 if (state->pagedresults_cookie == NULL)
4001 return;
4002
4003 if (state->entries != NULL)
4004 ldap_msgfree(state->entries);
4005
4006 state->entries = NULL;
4007 state->current_entry = NULL;
4008
4009 if (!state->connection->paged_results)
4010 return;
4011
4012 /* Tell the LDAP server we're not interested in the rest anymore. */
4013
4014 rc = smbldap_search_paged(state->connection, state->base, state->scope,
4015 state->filter, state->attrs,
4016 state->attrsonly, 0, &state->entries,
4017 &state->pagedresults_cookie);
4018
4019 if (rc != LDAP_SUCCESS)
4020 DEBUG(5, ("Could not end search properly\n"));
4021
4022 return;
4023 }
4024
4025 static BOOL ldapuser2displayentry(struct ldap_search_state *state,
4026 TALLOC_CTX *mem_ctx,
4027 LDAP *ld, LDAPMessage *entry,
4028 struct samr_displayentry *result)
4029 {
4030 char **vals;
4031 DOM_SID sid;
4032 uint16 acct_flags;
4033
4034 vals = ldap_get_values(ld, entry, "sambaAcctFlags");
4035 if ((vals == NULL) || (vals[0] == NULL)) {
4036 DEBUG(5, ("\"sambaAcctFlags\" not found\n"));
4037 return False;
4038 }
4039 acct_flags = pdb_decode_acct_ctrl(vals[0]);
4040 ldap_value_free(vals);
4041
4042 if ((state->acct_flags != 0) &&
4043 ((state->acct_flags & acct_flags) == 0))
4044 return False;
4045
4046 result->acct_flags = acct_flags;
4047 result->account_name = "";
4048 result->fullname = "";
4049 result->description = "";
4050
4051 vals = ldap_get_values(ld, entry, "uid");
4052 if ((vals == NULL) || (vals[0] == NULL)) {
4053 DEBUG(5, ("\"uid\" not found\n"));
4054 return False;
4055 }
4056 pull_utf8_talloc(mem_ctx,
4057 CONST_DISCARD(char **, &result->account_name),
4058 vals[0]);
4059 ldap_value_free(vals);
4060
4061 vals = ldap_get_values(ld, entry, "displayName");
4062 if ((vals == NULL) || (vals[0] == NULL))
4063 DEBUG(8, ("\"displayName\" not found\n"));
4064 else
4065 pull_utf8_talloc(mem_ctx,
4066 CONST_DISCARD(char **, &result->fullname),
4067 vals[0]);
4068 ldap_value_free(vals);
4069
4070 vals = ldap_get_values(ld, entry, "description");
4071 if ((vals == NULL) || (vals[0] == NULL))
4072 DEBUG(8, ("\"description\" not found\n"));
4073 else
4074 pull_utf8_talloc(mem_ctx,
4075 CONST_DISCARD(char **, &result->description),
4076 vals[0]);
4077 ldap_value_free(vals);
4078
4079 if ((result->account_name == NULL) ||
4080 (result->fullname == NULL) ||
4081 (result->description == NULL)) {
4082 DEBUG(0, ("talloc failed\n"));
4083 return False;
4084 }
4085
4086 vals = ldap_get_values(ld, entry, "sambaSid");
4087 if ((vals == NULL) || (vals[0] == NULL)) {
4088 DEBUG(0, ("\"objectSid\" not found\n"));
4089 return False;
4090 }
4091
4092 if (!string_to_sid(&sid, vals[0])) {
4093 DEBUG(0, ("Could not convert %s to SID\n", vals[0]));
4094 ldap_value_free(vals);
4095 return False;
4096 }
4097 ldap_value_free(vals);
4098
4099 if (!sid_peek_check_rid(get_global_sam_sid(), &sid, &result->rid)) {
4100 DEBUG(0, ("sid %s does not belong to our domain\n",
4101 sid_string_static(&sid)));
4102 return False;
4103 }
4104
4105 return True;
4106 }
4107
4108
4109 static BOOL ldapsam_search_users(struct pdb_methods *methods,
4110 struct pdb_search *search,
4111 uint16 acct_flags)
4112 {
4113 struct ldapsam_privates *ldap_state = methods->private_data;
4114 struct ldap_search_state *state;
4115
4116 state = TALLOC_P(search->mem_ctx, struct ldap_search_state);
4117 if (state == NULL) {
4118 DEBUG(0, ("talloc failed\n"));
4119 return False;
4120 }
4121
4122 state->connection = ldap_state->smbldap_state;
4123
4124 if ((acct_flags != 0) && ((acct_flags & ACB_NORMAL) != 0))
4125 state->base = lp_ldap_user_suffix();
4126 else if ((acct_flags != 0) &&
4127 ((acct_flags & (ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)) != 0))
4128 state->base = lp_ldap_machine_suffix();
4129 else
4130 state->base = lp_ldap_suffix();
4131
4132 state->acct_flags = acct_flags;
4133 state->base = talloc_strdup(search->mem_ctx, state->base);
4134 state->scope = LDAP_SCOPE_SUBTREE;
4135 state->filter = get_ldap_filter(search->mem_ctx, "*");
4136 state->attrs = talloc_attrs(search->mem_ctx, "uid", "sambaSid",
4137 "displayName", "description",
4138 "sambaAcctFlags", NULL);
4139 state->attrsonly = 0;
4140 state->pagedresults_cookie = NULL;
4141 state->entries = NULL;
4142 state->ldap2displayentry = ldapuser2displayentry;
4143
4144 if ((state->filter == NULL) || (state->attrs == NULL)) {
4145 DEBUG(0, ("talloc failed\n"));
4146 return False;
4147 }
4148
4149 search->private_data = state;
4150 search->next_entry = ldapsam_search_next_entry;
4151 search->search_end = ldapsam_search_end;
4152
4153 return ldapsam_search_firstpage(search);
4154 }
4155
4156 static BOOL ldapgroup2displayentry(struct ldap_search_state *state,
4157 TALLOC_CTX *mem_ctx,
4158 LDAP *ld, LDAPMessage *entry,
4159 struct samr_displayentry *result)
4160 {
4161 char **vals;
4162 DOM_SID sid;
4163 uint16 group_type;
4164
4165 result->account_name = "";
4166 result->fullname = "";
4167 result->description = "";
4168
4169
4170 vals = ldap_get_values(ld, entry, "sambaGroupType");
4171 if ((vals == NULL) || (vals[0] == NULL)) {
4172 DEBUG(5, ("\"sambaGroupType\" not found\n"));
4173 if (vals != NULL) {
4174 ldap_value_free(vals);
4175 }
4176 return False;
4177 }
4178
4179 group_type = atoi(vals[0]);
4180
4181 if ((state->group_type != 0) &&
4182 ((state->group_type != group_type))) {
4183 ldap_value_free(vals);
4184 return False;
4185 }
4186
4187 ldap_value_free(vals);
4188
4189 /* display name is the NT group name */
4190
4191 vals = ldap_get_values(ld, entry, "displayName");
4192 if ((vals == NULL) || (vals[0] == NULL)) {
4193 DEBUG(8, ("\"displayName\" not found\n"));
4194
4195 /* fallback to the 'cn' attribute */
4196 vals = ldap_get_values(ld, entry, "cn");
4197 if ((vals == NULL) || (vals[0] == NULL)) {
4198 DEBUG(5, ("\"cn\" not found\n"));
4199 return False;
4200 }
4201 pull_utf8_talloc(mem_ctx,
4202 CONST_DISCARD(char **, &result->account_name),
4203 vals[0]);
4204 }
4205 else {
4206 pull_utf8_talloc(mem_ctx,
4207 CONST_DISCARD(char **, &result->account_name),
4208 vals[0]);
4209 }
4210
4211 ldap_value_free(vals);
4212
4213 vals = ldap_get_values(ld, entry, "description");
4214 if ((vals == NULL) || (vals[0] == NULL))
4215 DEBUG(8, ("\"description\" not found\n"));
4216 else
4217 pull_utf8_talloc(mem_ctx,
4218 CONST_DISCARD(char **, &result->description),
4219 vals[0]);
4220 ldap_value_free(vals);
4221
4222 if ((result->account_name == NULL) ||
4223 (result->fullname == NULL) ||
4224 (result->description == NULL)) {
4225 DEBUG(0, ("talloc failed\n"));
4226 return False;
4227 }
4228
4229 vals = ldap_get_values(ld, entry, "sambaSid");
4230 if ((vals == NULL) || (vals[0] == NULL)) {
4231 DEBUG(0, ("\"objectSid\" not found\n"));
4232 if (vals != NULL) {
4233 ldap_value_free(vals);
4234 }
4235 return False;
4236 }
4237
4238 if (!string_to_sid(&sid, vals[0])) {
4239 DEBUG(0, ("Could not convert %s to SID\n", vals[0]));
4240 return False;
4241 }
4242
4243 ldap_value_free(vals);
4244
4245 switch (group_type) {
4246 case SID_NAME_DOM_GRP:
4247 case SID_NAME_ALIAS:
4248
4249 if (!sid_peek_check_rid(get_global_sam_sid(), &sid,
4250 &result->rid)) {
4251 DEBUG(0, ("%s is not in our domain\n",
4252 sid_string_static(&sid)));
4253 return False;
4254 }
4255 break;
4256
4257 case SID_NAME_WKN_GRP:
4258
4259 if (!sid_peek_check_rid(&global_sid_Builtin, &sid,
4260 &result->rid)) {
4261
4262 DEBUG(0, ("%s is not in builtin sid\n",
4263 sid_string_static(&sid)));
4264 return False;
4265 }
4266 break;
4267
4268 default:
4269 DEBUG(0,("unkown group type: %d\n", group_type));
4270 return False;
4271 }
4272
4273 return True;
4274 }
4275
4276 static BOOL ldapsam_search_grouptype(struct pdb_methods *methods,
4277 struct pdb_search *search,
4278 enum SID_NAME_USE type)
4279 {
4280 struct ldapsam_privates *ldap_state = methods->private_data;
4281 struct ldap_search_state *state;
4282
4283 state = TALLOC_P(search->mem_ctx, struct ldap_search_state);
4284 if (state == NULL) {
4285 DEBUG(0, ("talloc failed\n"));
4286 return False;
4287 }
4288
4289 state->connection = ldap_state->smbldap_state;
4290
4291 state->base = talloc_strdup(search->mem_ctx, lp_ldap_group_suffix());
4292 state->connection = ldap_state->smbldap_state;
4293 state->scope = LDAP_SCOPE_SUBTREE;
4294 state->filter = talloc_asprintf(search->mem_ctx,
4295 "(&(objectclass=sambaGroupMapping)"
4296 "(sambaGroupType=%d))", type);
4297 state->attrs = talloc_attrs(search->mem_ctx, "cn", "sambaSid",
4298 "displayName", "description",
4299 "sambaGroupType", NULL);
4300 state->attrsonly = 0;
4301 state->pagedresults_cookie = NULL;
4302 state->entries = NULL;
4303 state->group_type = type;
4304 state->ldap2displayentry = ldapgroup2displayentry;
4305
4306 if ((state->filter == NULL) || (state->attrs == NULL)) {
4307 DEBUG(0, ("talloc failed\n"));
4308 return False;
4309 }
4310
4311 search->private_data = state;
4312 search->next_entry = ldapsam_search_next_entry;
4313 search->search_end = ldapsam_search_end;
4314
4315 return ldapsam_search_firstpage(search);
4316 }
4317
4318 static BOOL ldapsam_search_groups(struct pdb_methods *methods,
4319 struct pdb_search *search)
4320 {
4321 return ldapsam_search_grouptype(methods, search, SID_NAME_DOM_GRP);
4322 }
4323
4324 static BOOL ldapsam_search_aliases(struct pdb_methods *methods,
4325 struct pdb_search *search,
4326 const DOM_SID *sid)
4327 {
4328 if (sid_check_is_domain(sid))
4329 return ldapsam_search_grouptype(methods, search,
4330 SID_NAME_ALIAS);
4331
4332 if (sid_check_is_builtin(sid))
4333 return ldapsam_search_grouptype(methods, search,
4334 SID_NAME_WKN_GRP);
4335
4336 DEBUG(5, ("Don't know SID %s\n", sid_string_static(sid)));
4337 return False;
4338 }
4339
4340 static BOOL ldapsam_rid_algorithm(struct pdb_methods *methods)
4341 {
4342 return False;
4343 }
4344
4345 static NTSTATUS ldapsam_get_new_rid(struct ldapsam_privates *priv,
4346 uint32 *rid)
4347 {
4348 struct smbldap_state *smbldap_state = priv->smbldap_state;
4349
4350 LDAPMessage *result = NULL;
4351 LDAPMessage *entry = NULL;
4352 LDAPMod **mods = NULL;
4353 NTSTATUS status;
4354 char *value;
4355 int rc;
4356 uint32 nextRid = 0;
4357
4358 TALLOC_CTX *mem_ctx;
4359
4360 mem_ctx = talloc_new(NULL);
4361 if (mem_ctx == NULL) {
4362 DEBUG(0, ("talloc_new failed\n"));
4363 return NT_STATUS_NO_MEMORY;
4364 }
4365
4366 status = smbldap_search_domain_info(smbldap_state, &result,
4367 get_global_sam_name(), False);
4368 if (!NT_STATUS_IS_OK(status)) {
4369 DEBUG(3, ("Could not get domain info: %s\n",
4370 nt_errstr(status)));
4371 goto done;
4372 }
4373
4374 talloc_autofree_ldapmsg(mem_ctx, result);
4375
4376 entry = ldap_first_entry(priv2ld(priv), result);
4377 if (entry == NULL) {
4378 DEBUG(0, ("Could not get domain info entry\n"));
4379 status = NT_STATUS_INTERNAL_DB_CORRUPTION;
4380 goto done;
4381 }
4382
4383 /* Find the largest of the three attributes "sambaNextRid",
4384 "sambaNextGroupRid" and "sambaNextUserRid". I gave up on the
4385 concept of differentiating between user and group rids, and will
4386 use only "sambaNextRid" in the future. But for compatibility
4387 reasons I look if others have chosen different strategies -- VL */
4388
4389 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4390 "sambaNextRid", mem_ctx);
4391 if (value != NULL) {
4392 uint32 tmp = (uint32)strtoul(value, NULL, 10);
4393 nextRid = MAX(nextRid, tmp);
4394 }
4395
4396 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4397 "sambaNextUserRid", mem_ctx);
4398 if (value != NULL) {
4399 uint32 tmp = (uint32)strtoul(value, NULL, 10);
4400 nextRid = MAX(nextRid, tmp);
4401 }
4402
4403 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4404 "sambaNextGroupRid", mem_ctx);
4405 if (value != NULL) {
4406 uint32 tmp = (uint32)strtoul(value, NULL, 10);
4407 nextRid = MAX(nextRid, tmp);
4408 }
4409
4410 if (nextRid == 0) {
4411 nextRid = BASE_RID-1;
4412 }
4413
4414 nextRid += 1;
4415
4416 smbldap_make_mod(priv2ld(priv), entry, &mods, "sambaNextRid",
4417 talloc_asprintf(mem_ctx, "%d", nextRid));
4418 talloc_autofree_ldapmod(mem_ctx, mods);
4419
4420 rc = smbldap_modify(smbldap_state,
4421 smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry),
4422 mods);
4423
4424 /* ACCESS_DENIED is used as a placeholder for "the modify failed,
4425 * please retry" */
4426
4427 status = (rc == LDAP_SUCCESS) ? NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
4428
4429 done:
4430 if (NT_STATUS_IS_OK(status)) {
4431 *rid = nextRid;
4432 }
4433
4434 TALLOC_FREE(mem_ctx);
4435 return status;
4436 }
4437
4438 static BOOL ldapsam_new_rid(struct pdb_methods *methods, uint32 *rid)
4439 {
4440 int i;
4441
4442 for (i=0; i<10; i++) {
4443 NTSTATUS result = ldapsam_get_new_rid(methods->private_data,
4444 rid);
4445 if (NT_STATUS_IS_OK(result)) {
4446 return True;
4447 }
4448
4449 if (!NT_STATUS_EQUAL(result, NT_STATUS_ACCESS_DENIED)) {
4450 return False;
4451 }
4452
4453 /* The ldap update failed (maybe a race condition), retry */
4454 }
4455
4456 /* Tried 10 times, fail. */
4457 return False;
4458 }
4459
4460 static BOOL ldapsam_sid_to_id(struct pdb_methods *methods,
4461 const DOM_SID *sid,
4462 union unid_t *id, enum SID_NAME_USE *type)
4463 {
4464 struct ldapsam_privates *priv = methods->private_data;
4465 char *filter;
4466 const char *attrs[] = { "sambaGroupType", "gidNumber", "uidNumber",
4467 NULL };
4468 LDAPMessage *result = NULL;
4469 LDAPMessage *entry = NULL;
4470 BOOL ret = False;
4471 char *value;
4472 int rc;
4473
4474 TALLOC_CTX *mem_ctx;
4475
4476 mem_ctx = talloc_new(NULL);
4477 if (mem_ctx == NULL) {
4478 DEBUG(0, ("talloc_new failed\n"));
4479 return False;
4480 }
4481
4482 filter = talloc_asprintf(mem_ctx,
4483 "(&(sambaSid=%s)"
4484 "(|(objectClass=sambaGroupMapping)"
4485 "(objectClass=sambaSamAccount)))",
4486 sid_string_static(sid));
4487 if (filter == NULL) {
4488 DEBUG(5, ("talloc_asprintf failed\n"));
4489 goto done;
4490 }
4491
4492 rc = smbldap_search_suffix(priv->smbldap_state, filter,
4493 attrs, &result);
4494 if (rc != LDAP_SUCCESS) {
4495 goto done;
4496 }
4497 talloc_autofree_ldapmsg(mem_ctx, result);
4498
4499 if (ldap_count_entries(priv2ld(priv), result) != 1) {
4500 DEBUG(10, ("Got %d entries, expected one\n",
4501 ldap_count_entries(priv2ld(priv), result)));
4502 goto done;
4503 }
4504
4505 entry = ldap_first_entry(priv2ld(priv), result);
4506
4507 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4508 "sambaGroupType", mem_ctx);
4509
4510 if (value != NULL) {
4511 const char *gid_str;
4512 /* It's a group */
4513
4514 gid_str = smbldap_talloc_single_attribute(
4515 priv2ld(priv), entry, "gidNumber", mem_ctx);
4516 if (gid_str == NULL) {
4517 DEBUG(1, ("%s has sambaGroupType but no gidNumber\n",
4518 smbldap_talloc_dn(mem_ctx, priv2ld(priv),
4519 entry)));
4520 goto done;
4521 }
4522
4523 id->gid = strtoul(gid_str, NULL, 10);
4524 *type = strtoul(value, NULL, 10);
4525 ret = True;
4526 goto done;
4527 }
4528
4529 /* It must be a user */
4530
4531 value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4532 "uidNumber", mem_ctx);
4533 if (value == NULL) {
4534 DEBUG(1, ("Could not find uidNumber in %s\n",
4535 smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry)));
4536 goto done;
4537 }
4538
4539 id->uid = strtoul(value, NULL, 10);
4540 *type = SID_NAME_USER;
4541
4542 ret = True;
4543 done:
4544 TALLOC_FREE(mem_ctx);
4545 return ret;
4546 }
4547
4548 /**********************************************************************
4549 Housekeeping
4550 *********************************************************************/
4551
4552 static void free_private_data(void **vp)
4553 {
4554 struct ldapsam_privates **ldap_state = (struct ldapsam_privates **)vp;
4555
4556 smbldap_free_struct(&(*ldap_state)->smbldap_state);
4557
4558 if ((*ldap_state)->result != NULL) {
4559 ldap_msgfree((*ldap_state)->result);
4560 (*ldap_state)->result = NULL;
4561 }
4562 if ((*ldap_state)->domain_dn != NULL) {
4563 SAFE_FREE((*ldap_state)->domain_dn);
4564 }
4565
4566 *ldap_state = NULL;
4567
4568 /* No need to free any further, as it is talloc()ed */
4569 }
4570
4571 /*********************************************************************
4572 Intitalise the parts of the pdb_methods structure that are common to
4573 all pdb_ldap modes
4574 *********************************************************************/
4575
4576 static NTSTATUS pdb_init_ldapsam_common(struct pdb_methods **pdb_method, const char *location)
4577 {
4578 NTSTATUS nt_status;
4579 struct ldapsam_privates *ldap_state;
4580
4581 if (!NT_STATUS_IS_OK(nt_status = make_pdb_method( pdb_method ))) {
4582 return nt_status;
4583 }
4584
4585 (*pdb_method)->name = "ldapsam";
4586
4587 (*pdb_method)->setsampwent = ldapsam_setsampwent;
4588 (*pdb_method)->endsampwent = ldapsam_endsampwent;
4589 (*pdb_method)->getsampwent = ldapsam_getsampwent;
4590 (*pdb_method)->getsampwnam = ldapsam_getsampwnam;
4591 (*pdb_method)->getsampwsid = ldapsam_getsampwsid;
4592 (*pdb_method)->add_sam_account = ldapsam_add_sam_account;
4593 (*pdb_method)->update_sam_account = ldapsam_update_sam_account;
4594 (*pdb_method)->delete_sam_account = ldapsam_delete_sam_account;
4595 (*pdb_method)->rename_sam_account = ldapsam_rename_sam_account;
4596
4597 (*pdb_method)->getgrsid = ldapsam_getgrsid;
4598 (*pdb_method)->getgrgid = ldapsam_getgrgid;
4599 (*pdb_method)->getgrnam = ldapsam_getgrnam;
4600 (*pdb_method)->add_group_mapping_entry = ldapsam_add_group_mapping_entry;
4601 (*pdb_method)->update_group_mapping_entry = ldapsam_update_group_mapping_entry;
4602 (*pdb_method)->delete_group_mapping_entry = ldapsam_delete_group_mapping_entry;
4603 (*pdb_method)->enum_group_mapping = ldapsam_enum_group_mapping;
4604
4605 (*pdb_method)->get_account_policy = ldapsam_get_account_policy;
4606 (*pdb_method)->set_account_policy = ldapsam_set_account_policy;
4607
4608 (*pdb_method)->get_seq_num = ldapsam_get_seq_num;
4609
4610 (*pdb_method)->rid_algorithm = ldapsam_rid_algorithm;
4611 (*pdb_method)->new_rid = ldapsam_new_rid;
4612
4613 /* TODO: Setup private data and free */
4614
4615 if ( !(ldap_state = TALLOC_ZERO_P(*pdb_method, struct ldapsam_privates)) ) {
4616 DEBUG(0, ("pdb_init_ldapsam_common: talloc() failed for ldapsam private_data!\n"));
4617 return NT_STATUS_NO_MEMORY;
4618 }
4619
4620 nt_status = smbldap_init(*pdb_method, location, &ldap_state->smbldap_state);
4621
4622 if ( !NT_STATUS_IS_OK(nt_status) ) {
4623 return nt_status;
4624 }
4625
4626 if ( !(ldap_state->domain_name = talloc_strdup(*pdb_method, get_global_sam_name()) ) ) {
4627 return NT_STATUS_NO_MEMORY;
4628 }
4629
4630 (*pdb_method)->private_data = ldap_state;
4631
4632 (*pdb_method)->free_private_data = free_private_data;
4633
4634 return NT_STATUS_OK;
4635 }
4636
4637 /**********************************************************************
4638 Initialise the 'compat' mode for pdb_ldap
4639 *********************************************************************/
4640
4641 NTSTATUS pdb_init_ldapsam_compat(struct pdb_methods **pdb_method, const char *location)
4642 {
4643 NTSTATUS nt_status;
4644 struct ldapsam_privates *ldap_state;
4645 char *uri = talloc_strdup( NULL, location );
4646
4647 #ifdef WITH_LDAP_SAMCONFIG
4648 if (!uri) {
4649 int ldap_port = lp_ldap_port();
4650
4651 /* remap default port if not using SSL (ie clear or TLS) */
4652 if ( (lp_ldap_ssl() != LDAP_SSL_ON) && (ldap_port == 636) ) {
4653 ldap_port = 389;
4654 }
4655
4656 uri = talloc_asprintf(NULL, "%s://%s:%d", lp_ldap_ssl() == LDAP_SSL_ON ? "ldaps" : "ldap", lp_ldap_server(), ldap_port);
4657 if (!uri) {
4658 return NT_STATUS_NO_MEMORY;
4659 }
4660 location = uri;
4661 }
4662 #endif
4663
4664 if (!NT_STATUS_IS_OK(nt_status = pdb_init_ldapsam_common( pdb_method, uri ))) {
4665 return nt_status;
4666 }
4667
4668 /* the module itself stores a copy of the location so throw this one away */
4669
4670 if ( uri )
4671 TALLOC_FREE( uri );
4672
4673 (*pdb_method)->name = "ldapsam_compat";
4674
4675 ldap_state = (*pdb_method)->private_data;
4676 ldap_state->schema_ver = SCHEMAVER_SAMBAACCOUNT;
4677
4678 sid_copy(&ldap_state->domain_sid, get_global_sam_sid());
4679
4680 return NT_STATUS_OK;
4681 }
4682
4683 /**********************************************************************
4684 Initialise the normal mode for pdb_ldap
4685 *********************************************************************/
4686
4687 NTSTATUS pdb_init_ldapsam(struct pdb_methods **pdb_method, const char *location)
4688 {
4689 NTSTATUS nt_status;
4690 struct ldapsam_privates *ldap_state;
4691 uint32 alg_rid_base;
4692 pstring alg_rid_base_string;
4693 LDAPMessage *result = NULL;
4694 LDAPMessage *entry = NULL;
4695 DOM_SID ldap_domain_sid;
4696 DOM_SID secrets_domain_sid;
4697 pstring domain_sid_string;
4698 char *dn;
4699
4700 nt_status = pdb_init_ldapsam_common(pdb_method, location);
4701 if (!NT_STATUS_IS_OK(nt_status)) {
4702 return nt_status;
4703 }
4704
4705 (*pdb_method)->name = "ldapsam";
4706
4707 (*pdb_method)->add_aliasmem = ldapsam_add_aliasmem;
4708 (*pdb_method)->del_aliasmem = ldapsam_del_aliasmem;
4709 (*pdb_method)->enum_aliasmem = ldapsam_enum_aliasmem;
4710 (*pdb_method)->enum_alias_memberships = ldapsam_alias_memberships;
4711 (*pdb_method)->search_users = ldapsam_search_users;
4712 (*pdb_method)->search_groups = ldapsam_search_groups;
4713 (*pdb_method)->search_aliases = ldapsam_search_aliases;
4714
4715 if (lp_parm_bool(-1, "ldapsam", "trusted", False)) {
4716 (*pdb_method)->enum_group_members = ldapsam_enum_group_members;
4717 (*pdb_method)->enum_group_memberships =
4718 ldapsam_enum_group_memberships;
4719 (*pdb_method)->lookup_rids = ldapsam_lookup_rids;
4720 (*pdb_method)->sid_to_id = ldapsam_sid_to_id;
4721 }
4722
4723 ldap_state = (*pdb_method)->private_data;
4724 ldap_state->schema_ver = SCHEMAVER_SAMBASAMACCOUNT;
4725
4726 /* Try to setup the Domain Name, Domain SID, algorithmic rid base */
4727
4728 nt_status = smbldap_search_domain_info(ldap_state->smbldap_state,
4729 &result,
4730 ldap_state->domain_name, True);
4731
4732 if ( !NT_STATUS_IS_OK(nt_status) ) {
4733 DEBUG(2, ("pdb_init_ldapsam: WARNING: Could not get domain "
4734 "info, nor add one to the domain\n"));
4735 DEBUGADD(2, ("pdb_init_ldapsam: Continuing on regardless, "
4736 "will be unable to allocate new users/groups, "
4737 "and will risk BDCs having inconsistant SIDs\n"));
4738 sid_copy(&ldap_state->domain_sid, get_global_sam_sid());
4739 return NT_STATUS_OK;
4740 }
4741
4742 /* Given that the above might fail, everything below this must be
4743 * optional */
4744
4745 entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
4746 result);
4747 if (!entry) {
4748 DEBUG(0, ("pdb_init_ldapsam: Could not get domain info "
4749 "entry\n"));
4750 ldap_msgfree(result);
4751 return NT_STATUS_UNSUCCESSFUL;
4752 }
4753
4754 dn = smbldap_get_dn(ldap_state->smbldap_state->ldap_struct, entry);
4755 if (!dn) {
4756 return NT_STATUS_UNSUCCESSFUL;
4757 }
4758
4759 ldap_state->domain_dn = smb_xstrdup(dn);
4760 ldap_memfree(dn);
4761
4762 if (smbldap_get_single_pstring(
4763 ldap_state->smbldap_state->ldap_struct,
4764 entry,
4765 get_userattr_key2string(ldap_state->schema_ver,
4766 LDAP_ATTR_USER_SID),
4767 domain_sid_string)) {
4768 BOOL found_sid;
4769 if (!string_to_sid(&ldap_domain_sid, domain_sid_string)) {
4770 DEBUG(1, ("pdb_init_ldapsam: SID [%s] could not be "
4771 "read as a valid SID\n", domain_sid_string));
4772 return NT_STATUS_INVALID_PARAMETER;
4773 }
4774 found_sid = secrets_fetch_domain_sid(ldap_state->domain_name,
4775 &secrets_domain_sid);
4776 if (!found_sid || !sid_equal(&secrets_domain_sid,
4777 &ldap_domain_sid)) {
4778 fstring new_sid_str, old_sid_str;
4779 DEBUG(1, ("pdb_init_ldapsam: Resetting SID for domain "
4780 "%s based on pdb_ldap results %s -> %s\n",
4781 ldap_state->domain_name,
4782 sid_to_string(old_sid_str,
4783 &secrets_domain_sid),
4784 sid_to_string(new_sid_str,
4785 &ldap_domain_sid)));
4786
4787 /* reset secrets.tdb sid */
4788 secrets_store_domain_sid(ldap_state->domain_name,
4789 &ldap_domain_sid);
4790 DEBUG(1, ("New global sam SID: %s\n",
4791 sid_to_string(new_sid_str,
4792 get_global_sam_sid())));
4793 }
4794 sid_copy(&ldap_state->domain_sid, &ldap_domain_sid);
4795 }
4796
4797 if (smbldap_get_single_pstring(
4798 ldap_state->smbldap_state->ldap_struct,
4799 entry,
4800 get_attr_key2string( dominfo_attr_list,
4801 LDAP_ATTR_ALGORITHMIC_RID_BASE ),
4802 alg_rid_base_string)) {
4803 alg_rid_base = (uint32)atol(alg_rid_base_string);
4804 if (alg_rid_base != algorithmic_rid_base()) {
4805 DEBUG(0, ("The value of 'algorithmic RID base' has "
4806 "changed since the LDAP\n"
4807 "database was initialised. Aborting. \n"));
4808 ldap_msgfree(result);
4809 return NT_STATUS_UNSUCCESSFUL;
4810 }
4811 }
4812 ldap_msgfree(result);
4813
4814 return NT_STATUS_OK;
4815 }
4816
4817 NTSTATUS pdb_ldap_init(void)
4818 {
4819 NTSTATUS nt_status;
4820 if (!NT_STATUS_IS_OK(nt_status = smb_register_passdb(PASSDB_INTERFACE_VERSION, "ldapsam", pdb_init_ldapsam)))
4821 return nt_status;
4822
4823 if (!NT_STATUS_IS_OK(nt_status = smb_register_passdb(PASSDB_INTERFACE_VERSION, "ldapsam_compat", pdb_init_ldapsam_compat)))
4824 return nt_status;
4825
4826 /* Let pdb_nds register backends */
4827 pdb_nds_init();
4828
4829 return NT_STATUS_OK;
4830 }
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