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source: trunk-3.0/source/passdb/pdb_ldap.c@ 103

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Last change on this file since 103 was 62, checked in by Paul Smedley, 18 years ago
Update source to 3.0.25c level
File size: 167.9 KB

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1	/*
2	Unix SMB/CIFS implementation.
3	LDAP protocol helper functions for SAMBA
4	Copyright (C) Jean François Micouleau 1998
5	Copyright (C) Gerald Carter 2001-2003
6	Copyright (C) Shahms King 2001
7	Copyright (C) Andrew Bartlett 2002-2003
8	Copyright (C) Stefan (metze) Metzmacher 2002-2003
9	Copyright (C) Simo Sorce 2006
10
11	This program is free software; you can redistribute it and/or modify
12	it under the terms of the GNU General Public License as published by
13	the Free Software Foundation; either version 2 of the License, or
14	(at your option) any later version.
15
16	This program is distributed in the hope that it will be useful,
17	but WITHOUT ANY WARRANTY; without even the implied warranty of
18	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19	GNU General Public License for more details.
20
21	You should have received a copy of the GNU General Public License
22	along with this program; if not, write to the Free Software
23	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24
25	*/
26
27	/* TODO:
28	* persistent connections: if using NSS LDAP, many connections are made
29	* however, using only one within Samba would be nice
30	*
31	* Clean up SSL stuff, compile on OpenLDAP 1.x, 2.x, and Netscape SDK
32	*
33	* Other LDAP based login attributes: accountExpires, etc.
34	* (should be the domain of Samba proper, but the sam_password/struct samu
35	* structures don't have fields for some of these attributes)
36	*
37	* SSL is done, but can't get the certificate based authentication to work
38	* against on my test platform (Linux 2.4, OpenLDAP 2.x)
39	*/
40
41	/* NOTE: this will NOT work against an Active Directory server
42	* due to the fact that the two password fields cannot be retrieved
43	* from a server; recommend using security = domain in this situation
44	* and/or winbind
45	*/
46
47	#include "includes.h"
48
49	#undef DBGC_CLASS
50	#define DBGC_CLASS DBGC_PASSDB
51
52	#include <lber.h>
53	#include <ldap.h>
54
55	/*
56	* Work around versions of the LDAP client libs that don't have the OIDs
57	* defined, or have them defined under the old name.
58	* This functionality is really a factor of the server, not the client
59	*
60	*/
61
62	#if defined(LDAP_EXOP_X_MODIFY_PASSWD) && !defined(LDAP_EXOP_MODIFY_PASSWD)
63	#define LDAP_EXOP_MODIFY_PASSWD LDAP_EXOP_X_MODIFY_PASSWD
64	#elif !defined(LDAP_EXOP_MODIFY_PASSWD)
65	#define LDAP_EXOP_MODIFY_PASSWD "1.3.6.1.4.1.4203.1.11.1"
66	#endif
67
68	#if defined(LDAP_EXOP_X_MODIFY_PASSWD_ID) && !defined(LDAP_EXOP_MODIFY_PASSWD_ID)
69	#define LDAP_TAG_EXOP_MODIFY_PASSWD_ID LDAP_EXOP_X_MODIFY_PASSWD_ID
70	#elif !defined(LDAP_EXOP_MODIFY_PASSWD_ID)
71	#define LDAP_TAG_EXOP_MODIFY_PASSWD_ID ((ber_tag_t) 0x80U)
72	#endif
73
74	#if defined(LDAP_EXOP_X_MODIFY_PASSWD_NEW) && !defined(LDAP_EXOP_MODIFY_PASSWD_NEW)
75	#define LDAP_TAG_EXOP_MODIFY_PASSWD_NEW LDAP_EXOP_X_MODIFY_PASSWD_NEW
76	#elif !defined(LDAP_EXOP_MODIFY_PASSWD_NEW)
77	#define LDAP_TAG_EXOP_MODIFY_PASSWD_NEW ((ber_tag_t) 0x82U)
78	#endif
79
80
81	#include "smbldap.h"
82
83	/**********************************************************************
84	Simple helper function to make stuff better readable
85	**********************************************************************/
86
87	static LDAP priv2ld(struct ldapsam_privates priv)
88	{
89	return priv->smbldap_state->ldap_struct;
90	}
91
92	/**********************************************************************
93	Get the attribute name given a user schame version.
94	**********************************************************************/
95
96	static const char* get_userattr_key2string( int schema_ver, int key )
97	{
98	switch ( schema_ver ) {
99	case SCHEMAVER_SAMBAACCOUNT:
100	return get_attr_key2string( attrib_map_v22, key );
101
102	case SCHEMAVER_SAMBASAMACCOUNT:
103	return get_attr_key2string( attrib_map_v30, key );
104
105	default:
106	DEBUG(0,("get_userattr_key2string: unknown schema version specified\n"));
107	break;
108	}
109	return NULL;
110	}
111
112	/**********************************************************************
113	Return the list of attribute names given a user schema version.
114	**********************************************************************/
115
116	const char** get_userattr_list( TALLOC_CTX *mem_ctx, int schema_ver )
117	{
118	switch ( schema_ver ) {
119	case SCHEMAVER_SAMBAACCOUNT:
120	return get_attr_list( mem_ctx, attrib_map_v22 );
121
122	case SCHEMAVER_SAMBASAMACCOUNT:
123	return get_attr_list( mem_ctx, attrib_map_v30 );
124	default:
125	DEBUG(0,("get_userattr_list: unknown schema version specified!\n"));
126	break;
127	}
128
129	return NULL;
130	}
131
132	/**************************************************************************
133	Return the list of attribute names to delete given a user schema version.
134	**************************************************************************/
135
136	static const char** get_userattr_delete_list( TALLOC_CTX *mem_ctx,
137	int schema_ver )
138	{
139	switch ( schema_ver ) {
140	case SCHEMAVER_SAMBAACCOUNT:
141	return get_attr_list( mem_ctx,
142	attrib_map_to_delete_v22 );
143
144	case SCHEMAVER_SAMBASAMACCOUNT:
145	return get_attr_list( mem_ctx,
146	attrib_map_to_delete_v30 );
147	default:
148	DEBUG(0,("get_userattr_delete_list: unknown schema version specified!\n"));
149	break;
150	}
151
152	return NULL;
153	}
154
155
156	/*******************************************************************
157	Generate the LDAP search filter for the objectclass based on the
158	version of the schema we are using.
159	******************************************************************/
160
161	static const char* get_objclass_filter( int schema_ver )
162	{
163	static fstring objclass_filter;
164
165	switch( schema_ver ) {
166	case SCHEMAVER_SAMBAACCOUNT:
167	fstr_sprintf( objclass_filter, "(objectclass=%s)", LDAP_OBJ_SAMBAACCOUNT );
168	break;
169	case SCHEMAVER_SAMBASAMACCOUNT:
170	fstr_sprintf( objclass_filter, "(objectclass=%s)", LDAP_OBJ_SAMBASAMACCOUNT );
171	break;
172	default:
173	DEBUG(0,("get_objclass_filter: Invalid schema version specified!\n"));
174	break;
175	}
176
177	return objclass_filter;
178	}
179
180	/*****************************************************************
181	Scan a sequence number off OpenLDAP's syncrepl contextCSN
182	******************************************************************/
183
184	static NTSTATUS ldapsam_get_seq_num(struct pdb_methods my_methods, time_t seq_num)
185	{
186	struct ldapsam_privates ldap_state = (struct ldapsam_privates )my_methods->private_data;
187	NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
188	LDAPMessage *msg = NULL;
189	LDAPMessage *entry = NULL;
190	TALLOC_CTX *mem_ctx;
191	char **values = NULL;
192	int rc, num_result, num_values, rid;
193	pstring suffix;
194	fstring tok;
195	const char *p;
196	const char **attrs;
197
198	/* Unfortunatly there is no proper way to detect syncrepl-support in
199	* smbldap_connect_system(). The syncrepl OIDs are submitted for publication
200	* but do not show up in the root-DSE yet. Neither we can query the
201	* subschema-context for the syncProviderSubentry or syncConsumerSubentry
202	* objectclass. Currently we require lp_ldap_suffix() to show up as
203	* namingContext. - Guenther
204	*/
205
206	if (!lp_parm_bool(-1, "ldapsam", "syncrepl_seqnum", False)) {
207	return ntstatus;
208	}
209
210	if (!seq_num) {
211	DEBUG(3,("ldapsam_get_seq_num: no sequence_number\n"));
212	return ntstatus;
213	}
214
215	if (!smbldap_has_naming_context(ldap_state->smbldap_state->ldap_struct, lp_ldap_suffix())) {
216	DEBUG(3,("ldapsam_get_seq_num: DIT not configured to hold %s "
217	"as top-level namingContext\n", lp_ldap_suffix()));
218	return ntstatus;
219	}
220
221	mem_ctx = talloc_init("ldapsam_get_seq_num");
222
223	if (mem_ctx == NULL)
224	return NT_STATUS_NO_MEMORY;
225
226	if ((attrs = TALLOC_ARRAY(mem_ctx, const char *, 2)) == NULL) {
227	ntstatus = NT_STATUS_NO_MEMORY;
228	goto done;
229	}
230
231	/* if we got a syncrepl-rid (up to three digits long) we speak with a consumer */
232	rid = lp_parm_int(-1, "ldapsam", "syncrepl_rid", -1);
233	if (rid > 0) {
234
235	/* consumer syncreplCookie: */
236	/* csn=20050126161620Z#0000001#00#00000 */
237	attrs[0] = talloc_strdup(mem_ctx, "syncreplCookie");
238	attrs[1] = NULL;
239	pstr_sprintf( suffix, "cn=syncrepl%d,%s", rid, lp_ldap_suffix());
240
241	} else {
242
243	/* provider contextCSN */
244	/* 20050126161620Z#000009#00#000000 */
245	attrs[0] = talloc_strdup(mem_ctx, "contextCSN");
246	attrs[1] = NULL;
247	pstr_sprintf( suffix, "cn=ldapsync,%s", lp_ldap_suffix());
248
249	}
250
251	rc = smbldap_search(ldap_state->smbldap_state, suffix,
252	LDAP_SCOPE_BASE, "(objectclass=*)", attrs, 0, &msg);
253
254	if (rc != LDAP_SUCCESS) {
255	goto done;
256	}
257
258	num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg);
259	if (num_result != 1) {
260	DEBUG(3,("ldapsam_get_seq_num: Expected one entry, got %d\n", num_result));
261	goto done;
262	}
263
264	entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg);
265	if (entry == NULL) {
266	DEBUG(3,("ldapsam_get_seq_num: Could not retrieve entry\n"));
267	goto done;
268	}
269
270	values = ldap_get_values(ldap_state->smbldap_state->ldap_struct, entry, attrs[0]);
271	if (values == NULL) {
272	DEBUG(3,("ldapsam_get_seq_num: no values\n"));
273	goto done;
274	}
275
276	num_values = ldap_count_values(values);
277	if (num_values == 0) {
278	DEBUG(3,("ldapsam_get_seq_num: not a single value\n"));
279	goto done;
280	}
281
282	p = values[0];
283	if (!next_token(&p, tok, "#", sizeof(tok))) {
284	DEBUG(0,("ldapsam_get_seq_num: failed to parse sequence number\n"));
285	goto done;
286	}
287
288	p = tok;
289	if (!strncmp(p, "csn=", strlen("csn=")))
290	p += strlen("csn=");
291
292	DEBUG(10,("ldapsam_get_seq_num: got %s: %s\n", attrs[0], p));
293
294	*seq_num = generalized_to_unix_time(p);
295
296	/* very basic sanity check */
297	if (*seq_num <= 0) {
298	DEBUG(3,("ldapsam_get_seq_num: invalid sequence number: %d\n",
299	(int)*seq_num));
300	goto done;
301	}
302
303	ntstatus = NT_STATUS_OK;
304
305	done:
306	if (values != NULL)
307	ldap_value_free(values);
308	if (msg != NULL)
309	ldap_msgfree(msg);
310	if (mem_ctx)
311	talloc_destroy(mem_ctx);
312
313	return ntstatus;
314	}
315
316	/*******************************************************************
317	Run the search by name.
318	******************************************************************/
319
320	int ldapsam_search_suffix_by_name(struct ldapsam_privates *ldap_state,
321	const char *user,
322	LDAPMessage ** result,
323	const char **attr)
324	{
325	pstring filter;
326	char *escape_user = escape_ldap_string_alloc(user);
327
328	if (!escape_user) {
329	return LDAP_NO_MEMORY;
330	}
331
332	/*
333	* in the filter expression, replace %u with the real name
334	* so in ldap filter, %u MUST exist :-)
335	*/
336	pstr_sprintf(filter, "(&%s%s)", "(uid=%u)",
337	get_objclass_filter(ldap_state->schema_ver));
338
339	/*
340	* have to use this here because $ is filtered out
341	* in pstring_sub
342	*/
343
344
345	all_string_sub(filter, "%u", escape_user, sizeof(pstring));
346	SAFE_FREE(escape_user);
347
348	return smbldap_search_suffix(ldap_state->smbldap_state, filter, attr, result);
349	}
350
351	/*******************************************************************
352	Run the search by rid.
353	******************************************************************/
354
355	static int ldapsam_search_suffix_by_rid (struct ldapsam_privates *ldap_state,
356	uint32 rid, LDAPMessage ** result,
357	const char **attr)
358	{
359	pstring filter;
360	int rc;
361
362	pstr_sprintf(filter, "(&(rid=%i)%s)", rid,
363	get_objclass_filter(ldap_state->schema_ver));
364
365	rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, attr, result);
366
367	return rc;
368	}
369
370	/*******************************************************************
371	Run the search by SID.
372	******************************************************************/
373
374	static int ldapsam_search_suffix_by_sid (struct ldapsam_privates *ldap_state,
375	const DOM_SID sid, LDAPMessage * result,
376	const char **attr)
377	{
378	pstring filter;
379	int rc;
380	fstring sid_string;
381
382	pstr_sprintf(filter, "(&(%s=%s)%s)",
383	get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_SID),
384	sid_to_string(sid_string, sid),
385	get_objclass_filter(ldap_state->schema_ver));
386
387	rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, attr, result);
388
389	return rc;
390	}
391
392	/*******************************************************************
393	Delete complete object or objectclass and attrs from
394	object found in search_result depending on lp_ldap_delete_dn
395	******************************************************************/
396
397	static int ldapsam_delete_entry(struct ldapsam_privates *priv,
398	TALLOC_CTX *mem_ctx,
399	LDAPMessage *entry,
400	const char *objectclass,
401	const char **attrs)
402	{
403	LDAPMod **mods = NULL;
404	char *name;
405	const char *dn;
406	BerElement *ptr = NULL;
407
408	dn = smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry);
409	if (dn == NULL) {
410	return LDAP_NO_MEMORY;
411	}
412
413	if (lp_ldap_delete_dn()) {
414	return smbldap_delete(priv->smbldap_state, dn);
415	}
416
417	/* Ok, delete only the SAM attributes */
418
419	for (name = ldap_first_attribute(priv2ld(priv), entry, &ptr);
420	name != NULL;
421	name = ldap_next_attribute(priv2ld(priv), entry, ptr)) {
422	const char **attrib;
423
424	/* We are only allowed to delete the attributes that
425	really exist. */
426
427	for (attrib = attrs; *attrib != NULL; attrib++) {
428	if (strequal(*attrib, name)) {
429	DEBUG(10, ("ldapsam_delete_entry: deleting "
430	"attribute %s\n", name));
431	smbldap_set_mod(&mods, LDAP_MOD_DELETE, name,
432	NULL);
433	}
434	}
435	ldap_memfree(name);
436	}
437
438	if (ptr != NULL) {
439	ber_free(ptr, 0);
440	}
441
442	smbldap_set_mod(&mods, LDAP_MOD_DELETE, "objectClass", objectclass);
443	talloc_autofree_ldapmod(mem_ctx, mods);
444
445	return smbldap_modify(priv->smbldap_state, dn, mods);
446	}
447
448	static time_t ldapsam_get_entry_timestamp( struct ldapsam_privates ldap_state, LDAPMessage entry)
449	{
450	pstring temp;
451	struct tm tm;
452
453	if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
454	get_userattr_key2string(ldap_state->schema_ver,LDAP_ATTR_MOD_TIMESTAMP),
455	temp))
456	return (time_t) 0;
457
458	if ( !strptime(temp, "%Y%m%d%H%M%SZ", &tm)) {
459	DEBUG(2,("ldapsam_get_entry_timestamp: strptime failed on: %s\n",
460	(char*)temp));
461	return (time_t) 0;
462	}
463	tzset();
464	return timegm(&tm);
465	}
466
467	/**********************************************************************
468	Initialize struct samu from an LDAP query.
469	(Based on init_sam_from_buffer in pdb_tdb.c)
470	*********************************************************************/
471
472	static BOOL init_sam_from_ldap(struct ldapsam_privates *ldap_state,
473	struct samu * sampass,
474	LDAPMessage * entry)
475	{
476	time_t logon_time,
477	logoff_time,
478	kickoff_time,
479	pass_last_set_time,
480	pass_can_change_time,
481	pass_must_change_time,
482	ldap_entry_time,
483	bad_password_time;
484	pstring username,
485	domain,
486	nt_username,
487	fullname,
488	homedir,
489	dir_drive,
490	logon_script,
491	profile_path,
492	acct_desc,
493	workstations;
494	char munged_dial[2048];
495	uint32 user_rid;
496	uint8 smblmpwd[LM_HASH_LEN],
497	smbntpwd[NT_HASH_LEN];
498	BOOL use_samba_attrs = True;
499	uint32 acct_ctrl = 0;
500	uint16 logon_divs;
501	uint16 bad_password_count = 0,
502	logon_count = 0;
503	uint32 hours_len;
504	uint8 hours[MAX_HOURS_LEN];
505	pstring temp;
506	LOGIN_CACHE *cache_entry = NULL;
507	uint32 pwHistLen;
508	pstring tmpstring;
509	BOOL expand_explicit = lp_passdb_expand_explicit();
510
511	/*
512	* do a little initialization
513	*/
514	username[0] = '\0';
515	domain[0] = '\0';
516	nt_username[0] = '\0';
517	fullname[0] = '\0';
518	homedir[0] = '\0';
519	dir_drive[0] = '\0';
520	logon_script[0] = '\0';
521	profile_path[0] = '\0';
522	acct_desc[0] = '\0';
523	munged_dial[0] = '\0';
524	workstations[0] = '\0';
525
526
527	if (sampass == NULL \|\| ldap_state == NULL \|\| entry == NULL) {
528	DEBUG(0, ("init_sam_from_ldap: NULL parameters found!\n"));
529	return False;
530	}
531
532	if (priv2ld(ldap_state) == NULL) {
533	DEBUG(0, ("init_sam_from_ldap: ldap_state->smbldap_state->"
534	"ldap_struct is NULL!\n"));
535	return False;
536	}
537
538	if (!smbldap_get_single_pstring(priv2ld(ldap_state), entry, "uid",
539	username)) {
540	DEBUG(1, ("init_sam_from_ldap: No uid attribute found for "
541	"this user!\n"));
542	return False;
543	}
544
545	DEBUG(2, ("init_sam_from_ldap: Entry found for user: %s\n", username));
546
547	pstrcpy(nt_username, username);
548
549	pstrcpy(domain, ldap_state->domain_name);
550
551	pdb_set_username(sampass, username, PDB_SET);
552
553	pdb_set_domain(sampass, domain, PDB_DEFAULT);
554	pdb_set_nt_username(sampass, nt_username, PDB_SET);
555
556	/* deal with different attributes between the schema first */
557
558	if ( ldap_state->schema_ver == SCHEMAVER_SAMBASAMACCOUNT ) {
559	if (smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
560	get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_SID), temp)) {
561	pdb_set_user_sid_from_string(sampass, temp, PDB_SET);
562	}
563	} else {
564	if (smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
565	get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_RID), temp)) {
566	user_rid = (uint32)atol(temp);
567	pdb_set_user_sid_from_rid(sampass, user_rid, PDB_SET);
568	}
569	}
570
571	if (pdb_get_init_flags(sampass,PDB_USERSID) == PDB_DEFAULT) {
572	DEBUG(1, ("init_sam_from_ldap: no %s or %s attribute found for this user %s\n",
573	get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_SID),
574	get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_RID),
575	username));
576	return False;
577	}
578
579	if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
580	get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_LAST_SET), temp)) {
581	/* leave as default */
582	} else {
583	pass_last_set_time = (time_t) atol(temp);
584	pdb_set_pass_last_set_time(sampass, pass_last_set_time, PDB_SET);
585	}
586
587	if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
588	get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_TIME), temp)) {
589	/* leave as default */
590	} else {
591	logon_time = (time_t) atol(temp);
592	pdb_set_logon_time(sampass, logon_time, PDB_SET);
593	}
594
595	if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
596	get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGOFF_TIME), temp)) {
597	/* leave as default */
598	} else {
599	logoff_time = (time_t) atol(temp);
600	pdb_set_logoff_time(sampass, logoff_time, PDB_SET);
601	}
602
603	if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
604	get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_KICKOFF_TIME), temp)) {
605	/* leave as default */
606	} else {
607	kickoff_time = (time_t) atol(temp);
608	pdb_set_kickoff_time(sampass, kickoff_time, PDB_SET);
609	}
610
611	if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
612	get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_CAN_CHANGE), temp)) {
613	/* leave as default */
614	} else {
615	pass_can_change_time = (time_t) atol(temp);
616	pdb_set_pass_can_change_time(sampass, pass_can_change_time, PDB_SET);
617	}
618
619	if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
620	get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_MUST_CHANGE), temp)) {
621	/* leave as default */
622	} else {
623	pass_must_change_time = (time_t) atol(temp);
624	pdb_set_pass_must_change_time(sampass, pass_must_change_time, PDB_SET);
625	}
626
627	/* recommend that 'gecos' and 'displayName' should refer to the same
628	* attribute OID. userFullName depreciated, only used by Samba
629	* primary rules of LDAP: don't make a new attribute when one is already defined
630	* that fits your needs; using cn then displayName rather than 'userFullName'
631	*/
632
633	if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
634	get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DISPLAY_NAME), fullname)) {
635	if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
636	get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_CN), fullname)) {
637	/* leave as default */
638	} else {
639	pdb_set_fullname(sampass, fullname, PDB_SET);
640	}
641	} else {
642	pdb_set_fullname(sampass, fullname, PDB_SET);
643	}
644
645	if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
646	get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_DRIVE), dir_drive))
647	{
648	pdb_set_dir_drive( sampass, lp_logon_drive(), PDB_DEFAULT );
649	} else {
650	pdb_set_dir_drive(sampass, dir_drive, PDB_SET);
651	}
652
653	if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
654	get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_PATH), homedir))
655	{
656	pdb_set_homedir( sampass,
657	talloc_sub_basic(sampass, username, domain,
658	lp_logon_home()),
659	PDB_DEFAULT );
660	} else {
661	pstrcpy( tmpstring, homedir );
662	if (expand_explicit) {
663	standard_sub_basic( username, domain, tmpstring,
664	sizeof(tmpstring) );
665	}
666	pdb_set_homedir(sampass, tmpstring, PDB_SET);
667	}
668
669	if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
670	get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_SCRIPT), logon_script))
671	{
672	pdb_set_logon_script( sampass,
673	talloc_sub_basic(sampass, username, domain,
674	lp_logon_script()),
675	PDB_DEFAULT );
676	} else {
677	pstrcpy( tmpstring, logon_script );
678	if (expand_explicit) {
679	standard_sub_basic( username, domain, tmpstring,
680	sizeof(tmpstring) );
681	}
682	pdb_set_logon_script(sampass, tmpstring, PDB_SET);
683	}
684
685	if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
686	get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PROFILE_PATH), profile_path))
687	{
688	pdb_set_profile_path( sampass,
689	talloc_sub_basic( sampass, username, domain,
690	lp_logon_path()),
691	PDB_DEFAULT );
692	} else {
693	pstrcpy( tmpstring, profile_path );
694	if (expand_explicit) {
695	standard_sub_basic( username, domain, tmpstring,
696	sizeof(tmpstring) );
697	}
698	pdb_set_profile_path(sampass, tmpstring, PDB_SET);
699	}
700
701	if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
702	get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DESC), acct_desc))
703	{
704	/* leave as default */
705	} else {
706	pdb_set_acct_desc(sampass, acct_desc, PDB_SET);
707	}
708
709	if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
710	get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_WKS), workstations)) {
711	/* leave as default */;
712	} else {
713	pdb_set_workstations(sampass, workstations, PDB_SET);
714	}
715
716	if (!smbldap_get_single_attribute(ldap_state->smbldap_state->ldap_struct, entry,
717	get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_MUNGED_DIAL), munged_dial, sizeof(munged_dial))) {
718	/* leave as default */;
719	} else {
720	pdb_set_munged_dial(sampass, munged_dial, PDB_SET);
721	}
722
723	/* FIXME: hours stuff should be cleaner */
724
725	logon_divs = 168;
726	hours_len = 21;
727	memset(hours, 0xff, hours_len);
728
729	if (ldap_state->is_nds_ldap) {
730	char *user_dn;
731	size_t pwd_len;
732	char clear_text_pw[512];
733
734	/* Make call to Novell eDirectory ldap extension to get clear text password.
735	NOTE: This will only work if we have an SSL connection to eDirectory. */
736	user_dn = smbldap_get_dn(ldap_state->smbldap_state->ldap_struct, entry);
737	if (user_dn != NULL) {
738	DEBUG(3, ("init_sam_from_ldap: smbldap_get_dn(%s) returned '%s'\n", username, user_dn));
739
740	pwd_len = sizeof(clear_text_pw);
741	if (pdb_nds_get_password(ldap_state->smbldap_state, user_dn, &pwd_len, clear_text_pw) == LDAP_SUCCESS) {
742	nt_lm_owf_gen(clear_text_pw, smbntpwd, smblmpwd);
743	if (!pdb_set_lanman_passwd(sampass, smblmpwd, PDB_SET)) {
744	SAFE_FREE(user_dn);
745	return False;
746	}
747	ZERO_STRUCT(smblmpwd);
748	if (!pdb_set_nt_passwd(sampass, smbntpwd, PDB_SET)) {
749	SAFE_FREE(user_dn);
750	return False;
751	}
752	ZERO_STRUCT(smbntpwd);
753	use_samba_attrs = False;
754	}
755
756	SAFE_FREE(user_dn);
757
758	} else {
759	DEBUG(0, ("init_sam_from_ldap: failed to get user_dn for '%s'\n", username));
760	}
761	}
762
763	if (use_samba_attrs) {
764	if (!smbldap_get_single_pstring (ldap_state->smbldap_state->ldap_struct, entry,
765	get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LMPW), temp)) {
766	/* leave as default */
767	} else {
768	pdb_gethexpwd(temp, smblmpwd);
769	memset((char *)temp, '\0', strlen(temp)+1);
770	if (!pdb_set_lanman_passwd(sampass, smblmpwd, PDB_SET))
771	return False;
772	ZERO_STRUCT(smblmpwd);
773	}
774
775	if (!smbldap_get_single_pstring (ldap_state->smbldap_state->ldap_struct, entry,
776	get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_NTPW), temp)) {
777	/* leave as default */
778	} else {
779	pdb_gethexpwd(temp, smbntpwd);
780	memset((char *)temp, '\0', strlen(temp)+1);
781	if (!pdb_set_nt_passwd(sampass, smbntpwd, PDB_SET))
782	return False;
783	ZERO_STRUCT(smbntpwd);
784	}
785	}
786
787	pwHistLen = 0;
788
789	pdb_get_account_policy(AP_PASSWORD_HISTORY, &pwHistLen);
790	if (pwHistLen > 0){
791	uint8 *pwhist = NULL;
792	int i;
793	char history_string[MAX_PW_HISTORY_LEN*64];
794
795	pwHistLen = MIN(pwHistLen, MAX_PW_HISTORY_LEN);
796
797	if ((pwhist = SMB_MALLOC_ARRAY(uint8, pwHistLen * PW_HISTORY_ENTRY_LEN)) == NULL){
798	DEBUG(0, ("init_sam_from_ldap: malloc failed!\n"));
799	return False;
800	}
801	memset(pwhist, '\0', pwHistLen * PW_HISTORY_ENTRY_LEN);
802
803	if (!smbldap_get_single_attribute(ldap_state->smbldap_state->ldap_struct, entry,
804	get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_HISTORY),
805	history_string, sizeof(history_string))) {
806	/* leave as default - zeros */
807	} else {
808	BOOL hex_failed = False;
809	for (i = 0; i < pwHistLen; i++){
810	/* Get the 16 byte salt. */
811	if (!pdb_gethexpwd(&history_string[i64], &pwhist[iPW_HISTORY_ENTRY_LEN])) {
812	hex_failed = True;
813	break;
814	}
815	/* Get the 16 byte MD5 hash of salt+passwd. */
816	if (!pdb_gethexpwd(&history_string[(i*64)+32],
817	&pwhist[(i*PW_HISTORY_ENTRY_LEN)+PW_HISTORY_SALT_LEN])) {
818	hex_failed = True;
819	break;
820	}
821	}
822	if (hex_failed) {
823	DEBUG(0,("init_sam_from_ldap: Failed to get password history for user %s\n",
824	username));
825	memset(pwhist, '\0', pwHistLen * PW_HISTORY_ENTRY_LEN);
826	}
827	}
828	if (!pdb_set_pw_history(sampass, pwhist, pwHistLen, PDB_SET)){
829	SAFE_FREE(pwhist);
830	return False;
831	}
832	SAFE_FREE(pwhist);
833	}
834
835	if (!smbldap_get_single_pstring (ldap_state->smbldap_state->ldap_struct, entry,
836	get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_ACB_INFO), temp)) {
837	acct_ctrl \|= ACB_NORMAL;
838	} else {
839	acct_ctrl = pdb_decode_acct_ctrl(temp);
840
841	if (acct_ctrl == 0)
842	acct_ctrl \|= ACB_NORMAL;
843
844	pdb_set_acct_ctrl(sampass, acct_ctrl, PDB_SET);
845	}
846
847	pdb_set_hours_len(sampass, hours_len, PDB_SET);
848	pdb_set_logon_divs(sampass, logon_divs, PDB_SET);
849
850	if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
851	get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_BAD_PASSWORD_COUNT), temp)) {
852	/* leave as default */
853	} else {
854	bad_password_count = (uint32) atol(temp);
855	pdb_set_bad_password_count(sampass, bad_password_count, PDB_SET);
856	}
857
858	if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
859	get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_BAD_PASSWORD_TIME), temp)) {
860	/* leave as default */
861	} else {
862	bad_password_time = (time_t) atol(temp);
863	pdb_set_bad_password_time(sampass, bad_password_time, PDB_SET);
864	}
865
866
867	if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
868	get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_COUNT), temp)) {
869	/* leave as default */
870	} else {
871	logon_count = (uint32) atol(temp);
872	pdb_set_logon_count(sampass, logon_count, PDB_SET);
873	}
874
875	/* pdb_set_unknown_6(sampass, unknown6, PDB_SET); */
876
877	if(!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
878	get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_HOURS), temp)) {
879	/* leave as default */
880	} else {
881	pdb_gethexhours(temp, hours);
882	memset((char *)temp, '\0', strlen(temp) +1);
883	pdb_set_hours(sampass, hours, PDB_SET);
884	ZERO_STRUCT(hours);
885	}
886
887	if (lp_parm_bool(-1, "ldapsam", "trusted", False)) {
888	if (smbldap_get_single_pstring(priv2ld(ldap_state), entry,
889	"uidNumber", temp)) {
890	/* We've got a uid, feed the cache */
891	uid_t uid = strtoul(temp, NULL, 10);
892	store_uid_sid_cache(pdb_get_user_sid(sampass), uid);
893	}
894	}
895
896	/* check the timestamp of the cache vs ldap entry */
897	if (!(ldap_entry_time = ldapsam_get_entry_timestamp(ldap_state,
898	entry)))
899	return True;
900
901	/* see if we have newer updates */
902	if (!(cache_entry = login_cache_read(sampass))) {
903	DEBUG (9, ("No cache entry, bad count = %u, bad time = %u\n",
904	(unsigned int)pdb_get_bad_password_count(sampass),
905	(unsigned int)pdb_get_bad_password_time(sampass)));
906	return True;
907	}
908
909	DEBUG(7, ("ldap time is %u, cache time is %u, bad time = %u\n",
910	(unsigned int)ldap_entry_time, (unsigned int)cache_entry->entry_timestamp,
911	(unsigned int)cache_entry->bad_password_time));
912
913	if (ldap_entry_time > cache_entry->entry_timestamp) {
914	/* cache is older than directory , so
915	we need to delete the entry but allow the
916	fields to be written out */
917	login_cache_delentry(sampass);
918	} else {
919	/* read cache in */
920	pdb_set_acct_ctrl(sampass,
921	pdb_get_acct_ctrl(sampass) \|
922	(cache_entry->acct_ctrl & ACB_AUTOLOCK),
923	PDB_SET);
924	pdb_set_bad_password_count(sampass,
925	cache_entry->bad_password_count,
926	PDB_SET);
927	pdb_set_bad_password_time(sampass,
928	cache_entry->bad_password_time,
929	PDB_SET);
930	}
931
932	SAFE_FREE(cache_entry);
933	return True;
934	}
935
936	/**********************************************************************
937	Initialize the ldap db from a struct samu. Called on update.
938	(Based on init_buffer_from_sam in pdb_tdb.c)
939	*********************************************************************/
940
941	static BOOL init_ldap_from_sam (struct ldapsam_privates *ldap_state,
942	LDAPMessage *existing,
943	LDAPMod *** mods, struct samu * sampass,
944	BOOL (need_update)(const struct samu ,
945	enum pdb_elements))
946	{
947	pstring temp;
948	uint32 rid;
949
950	if (mods == NULL \|\| sampass == NULL) {
951	DEBUG(0, ("init_ldap_from_sam: NULL parameters found!\n"));
952	return False;
953	}
954
955	*mods = NULL;
956
957	/*
958	* took out adding "objectclass: sambaAccount"
959	* do this on a per-mod basis
960	*/
961	if (need_update(sampass, PDB_USERNAME)) {
962	smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
963	"uid", pdb_get_username(sampass));
964	if (ldap_state->is_nds_ldap) {
965	smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
966	"cn", pdb_get_username(sampass));
967	smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
968	"sn", pdb_get_username(sampass));
969	}
970	}
971
972	DEBUG(2, ("init_ldap_from_sam: Setting entry for user: %s\n", pdb_get_username(sampass)));
973
974	/* only update the RID if we actually need to */
975	if (need_update(sampass, PDB_USERSID)) {
976	fstring sid_string;
977	const DOM_SID *user_sid = pdb_get_user_sid(sampass);
978
979	switch ( ldap_state->schema_ver ) {
980	case SCHEMAVER_SAMBAACCOUNT:
981	if (!sid_peek_check_rid(&ldap_state->domain_sid, user_sid, &rid)) {
982	DEBUG(1, ("init_ldap_from_sam: User's SID (%s) is not for this domain (%s), cannot add to LDAP!\n",
983	sid_string_static(user_sid),
984	sid_string_static(&ldap_state->domain_sid)));
985	return False;
986	}
987	slprintf(temp, sizeof(temp) - 1, "%i", rid);
988	smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
989	get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_RID),
990	temp);
991	break;
992
993	case SCHEMAVER_SAMBASAMACCOUNT:
994	smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
995	get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_SID),
996	sid_to_string(sid_string, user_sid));
997	break;
998
999	default:
1000	DEBUG(0,("init_ldap_from_sam: unknown schema version specified\n"));
1001	break;
1002	}
1003	}
1004
1005	/* we don't need to store the primary group RID - so leaving it
1006	'free' to hang off the unix primary group makes life easier */
1007
1008	if (need_update(sampass, PDB_GROUPSID)) {
1009	fstring sid_string;
1010	const DOM_SID *group_sid = pdb_get_group_sid(sampass);
1011
1012	switch ( ldap_state->schema_ver ) {
1013	case SCHEMAVER_SAMBAACCOUNT:
1014	if (!sid_peek_check_rid(&ldap_state->domain_sid, group_sid, &rid)) {
1015	DEBUG(1, ("init_ldap_from_sam: User's Primary Group SID (%s) is not for this domain (%s), cannot add to LDAP!\n",
1016	sid_string_static(group_sid),
1017	sid_string_static(&ldap_state->domain_sid)));
1018	return False;
1019	}
1020
1021	slprintf(temp, sizeof(temp) - 1, "%i", rid);
1022	smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1023	get_userattr_key2string(ldap_state->schema_ver,
1024	LDAP_ATTR_PRIMARY_GROUP_RID), temp);
1025	break;
1026
1027	case SCHEMAVER_SAMBASAMACCOUNT:
1028	smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1029	get_userattr_key2string(ldap_state->schema_ver,
1030	LDAP_ATTR_PRIMARY_GROUP_SID), sid_to_string(sid_string, group_sid));
1031	break;
1032
1033	default:
1034	DEBUG(0,("init_ldap_from_sam: unknown schema version specified\n"));
1035	break;
1036	}
1037
1038	}
1039
1040	/* displayName, cn, and gecos should all be the same
1041	* most easily accomplished by giving them the same OID
1042	* gecos isn't set here b/c it should be handled by the
1043	* add-user script
1044	* We change displayName only and fall back to cn if
1045	* it does not exist.
1046	*/
1047
1048	if (need_update(sampass, PDB_FULLNAME))
1049	smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1050	get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DISPLAY_NAME),
1051	pdb_get_fullname(sampass));
1052
1053	if (need_update(sampass, PDB_ACCTDESC))
1054	smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1055	get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DESC),
1056	pdb_get_acct_desc(sampass));
1057
1058	if (need_update(sampass, PDB_WORKSTATIONS))
1059	smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1060	get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_WKS),
1061	pdb_get_workstations(sampass));
1062
1063	if (need_update(sampass, PDB_MUNGEDDIAL))
1064	smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1065	get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_MUNGED_DIAL),
1066	pdb_get_munged_dial(sampass));
1067
1068	if (need_update(sampass, PDB_SMBHOME))
1069	smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1070	get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_PATH),
1071	pdb_get_homedir(sampass));
1072
1073	if (need_update(sampass, PDB_DRIVE))
1074	smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1075	get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_DRIVE),
1076	pdb_get_dir_drive(sampass));
1077
1078	if (need_update(sampass, PDB_LOGONSCRIPT))
1079	smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1080	get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_SCRIPT),
1081	pdb_get_logon_script(sampass));
1082
1083	if (need_update(sampass, PDB_PROFILE))
1084	smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1085	get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PROFILE_PATH),
1086	pdb_get_profile_path(sampass));
1087
1088	slprintf(temp, sizeof(temp) - 1, "%li", pdb_get_logon_time(sampass));
1089	if (need_update(sampass, PDB_LOGONTIME))
1090	smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1091	get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_TIME), temp);
1092
1093	slprintf(temp, sizeof(temp) - 1, "%li", pdb_get_logoff_time(sampass));
1094	if (need_update(sampass, PDB_LOGOFFTIME))
1095	smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1096	get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGOFF_TIME), temp);
1097
1098	slprintf (temp, sizeof (temp) - 1, "%li", pdb_get_kickoff_time(sampass));
1099	if (need_update(sampass, PDB_KICKOFFTIME))
1100	smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1101	get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_KICKOFF_TIME), temp);
1102
1103	slprintf (temp, sizeof (temp) - 1, "%li", pdb_get_pass_can_change_time_noncalc(sampass));
1104	if (need_update(sampass, PDB_CANCHANGETIME))
1105	smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1106	get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_CAN_CHANGE), temp);
1107
1108	slprintf (temp, sizeof (temp) - 1, "%li", pdb_get_pass_must_change_time(sampass));
1109	if (need_update(sampass, PDB_MUSTCHANGETIME))
1110	smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1111	get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_MUST_CHANGE), temp);
1112
1113
1114	if ((pdb_get_acct_ctrl(sampass)&(ACB_WSTRUST\|ACB_SVRTRUST\|ACB_DOMTRUST))
1115	\|\| (lp_ldap_passwd_sync()!=LDAP_PASSWD_SYNC_ONLY)) {
1116
1117	if (need_update(sampass, PDB_LMPASSWD)) {
1118	const uchar *lm_pw = pdb_get_lanman_passwd(sampass);
1119	if (lm_pw) {
1120	pdb_sethexpwd(temp, lm_pw,
1121	pdb_get_acct_ctrl(sampass));
1122	smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1123	get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LMPW),
1124	temp);
1125	} else {
1126	smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1127	get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LMPW),
1128	NULL);
1129	}
1130	}
1131	if (need_update(sampass, PDB_NTPASSWD)) {
1132	const uchar *nt_pw = pdb_get_nt_passwd(sampass);
1133	if (nt_pw) {
1134	pdb_sethexpwd(temp, nt_pw,
1135	pdb_get_acct_ctrl(sampass));
1136	smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1137	get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_NTPW),
1138	temp);
1139	} else {
1140	smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1141	get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_NTPW),
1142	NULL);
1143	}
1144	}
1145
1146	if (need_update(sampass, PDB_PWHISTORY)) {
1147	uint32 pwHistLen = 0;
1148	pdb_get_account_policy(AP_PASSWORD_HISTORY, &pwHistLen);
1149	if (pwHistLen == 0) {
1150	/* Remove any password history from the LDAP store. */
1151	memset(temp, '0', 64); /* NOTE !!!! '0' NOT '\0' /
1152	temp[64] = '\0';
1153	} else {
1154	int i;
1155	uint32 currHistLen = 0;
1156	const uint8 *pwhist = pdb_get_pw_history(sampass, &currHistLen);
1157	if (pwhist != NULL) {
1158	/* We can only store (sizeof(pstring)-1)/64 password history entries. */
1159	pwHistLen = MIN(pwHistLen, ((sizeof(temp)-1)/64));
1160	for (i=0; i< pwHistLen && i < currHistLen; i++) {
1161	/* Store the salt. */
1162	pdb_sethexpwd(&temp[i64], &pwhist[iPW_HISTORY_ENTRY_LEN], 0);
1163	/* Followed by the md5 hash of salt + md4 hash */
1164	pdb_sethexpwd(&temp[(i*64)+32],
1165	&pwhist[(i*PW_HISTORY_ENTRY_LEN)+PW_HISTORY_SALT_LEN], 0);
1166	DEBUG(100, ("temp=%s\n", temp));
1167	}
1168	}
1169	}
1170	smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1171	get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_HISTORY),
1172	temp);
1173	}
1174
1175	if (need_update(sampass, PDB_PASSLASTSET)) {
1176	slprintf (temp, sizeof (temp) - 1, "%li", pdb_get_pass_last_set_time(sampass));
1177	smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1178	get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_LAST_SET),
1179	temp);
1180	}
1181	}
1182
1183	if (need_update(sampass, PDB_HOURS)) {
1184	const uint8 *hours = pdb_get_hours(sampass);
1185	if (hours) {
1186	pdb_sethexhours(temp, hours);
1187	smbldap_make_mod(ldap_state->smbldap_state->ldap_struct,
1188	existing,
1189	mods,
1190	get_userattr_key2string(ldap_state->schema_ver,
1191	LDAP_ATTR_LOGON_HOURS),
1192	temp);
1193	}
1194	}
1195
1196	if (need_update(sampass, PDB_ACCTCTRL))
1197	smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
1198	get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_ACB_INFO),
1199	pdb_encode_acct_ctrl (pdb_get_acct_ctrl(sampass), NEW_PW_FORMAT_SPACE_PADDED_LEN));
1200
1201	/* password lockout cache:
1202	- If we are now autolocking or clearing, we write to ldap
1203	- If we are clearing, we delete the cache entry
1204	- If the count is > 0, we update the cache
1205
1206	This even means when autolocking, we cache, just in case the
1207	update doesn't work, and we have to cache the autolock flag */
1208
1209	if (need_update(sampass, PDB_BAD_PASSWORD_COUNT)) /* &&
1210	need_update(sampass, PDB_BAD_PASSWORD_TIME)) */ {
1211	uint16 badcount = pdb_get_bad_password_count(sampass);
1212	time_t badtime = pdb_get_bad_password_time(sampass);
1213	uint32 pol;
1214	pdb_get_account_policy(AP_BAD_ATTEMPT_LOCKOUT, &pol);
1215
1216	DEBUG(3, ("updating bad password fields, policy=%u, count=%u, time=%u\n",
1217	(unsigned int)pol, (unsigned int)badcount, (unsigned int)badtime));
1218
1219	if ((badcount >= pol) \|\| (badcount == 0)) {
1220	DEBUG(7, ("making mods to update ldap, count=%u, time=%u\n",
1221	(unsigned int)badcount, (unsigned int)badtime));
1222	slprintf (temp, sizeof (temp) - 1, "%li", (long)badcount);
1223	smbldap_make_mod(
1224	ldap_state->smbldap_state->ldap_struct,
1225	existing, mods,
1226	get_userattr_key2string(
1227	ldap_state->schema_ver,
1228	LDAP_ATTR_BAD_PASSWORD_COUNT),
1229	temp);
1230
1231	slprintf (temp, sizeof (temp) - 1, "%li", badtime);
1232	smbldap_make_mod(
1233	ldap_state->smbldap_state->ldap_struct,
1234	existing, mods,
1235	get_userattr_key2string(
1236	ldap_state->schema_ver,
1237	LDAP_ATTR_BAD_PASSWORD_TIME),
1238	temp);
1239	}
1240	if (badcount == 0) {
1241	DEBUG(7, ("bad password count is reset, deleting login cache entry for %s\n", pdb_get_nt_username(sampass)));
1242	login_cache_delentry(sampass);
1243	} else {
1244	LOGIN_CACHE cache_entry;
1245
1246	cache_entry.entry_timestamp = time(NULL);
1247	cache_entry.acct_ctrl = pdb_get_acct_ctrl(sampass);
1248	cache_entry.bad_password_count = badcount;
1249	cache_entry.bad_password_time = badtime;
1250
1251	DEBUG(7, ("Updating bad password count and time in login cache\n"));
1252	login_cache_write(sampass, cache_entry);
1253	}
1254	}
1255
1256	return True;
1257	}
1258
1259	/**********************************************************************
1260	Connect to LDAP server for password enumeration.
1261	*********************************************************************/
1262
1263	static NTSTATUS ldapsam_setsampwent(struct pdb_methods *my_methods, BOOL update, uint32 acb_mask)
1264	{
1265	struct ldapsam_privates ldap_state = (struct ldapsam_privates )my_methods->private_data;
1266	int rc;
1267	pstring filter, suffix;
1268	const char **attr_list;
1269	BOOL machine_mask = False, user_mask = False;
1270
1271	pstr_sprintf( filter, "(&%s%s)", "(uid=%u)",
1272	get_objclass_filter(ldap_state->schema_ver));
1273	all_string_sub(filter, "%u", "*", sizeof(pstring));
1274
1275	machine_mask = ((acb_mask != 0) && (acb_mask & (ACB_WSTRUST\|ACB_SVRTRUST\|ACB_DOMTRUST)));
1276	user_mask = ((acb_mask != 0) && (acb_mask & ACB_NORMAL));
1277
1278	if (machine_mask) {
1279	pstrcpy(suffix, lp_ldap_machine_suffix());
1280	} else if (user_mask) {
1281	pstrcpy(suffix, lp_ldap_user_suffix());
1282	} else {
1283	pstrcpy(suffix, lp_ldap_suffix());
1284	}
1285
1286	DEBUG(10,("ldapsam_setsampwent: LDAP Query for acb_mask 0x%x will use suffix %s\n",
1287	acb_mask, suffix));
1288
1289	attr_list = get_userattr_list(NULL, ldap_state->schema_ver);
1290	rc = smbldap_search(ldap_state->smbldap_state, suffix, LDAP_SCOPE_SUBTREE, filter,
1291	attr_list, 0, &ldap_state->result);
1292	TALLOC_FREE( attr_list );
1293
1294	if (rc != LDAP_SUCCESS) {
1295	DEBUG(0, ("ldapsam_setsampwent: LDAP search failed: %s\n", ldap_err2string(rc)));
1296	DEBUG(3, ("ldapsam_setsampwent: Query was: %s, %s\n", suffix, filter));
1297	ldap_msgfree(ldap_state->result);
1298	ldap_state->result = NULL;
1299	return NT_STATUS_UNSUCCESSFUL;
1300	}
1301
1302	DEBUG(2, ("ldapsam_setsampwent: %d entries in the base %s\n",
1303	ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
1304	ldap_state->result), suffix));
1305
1306	ldap_state->entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
1307	ldap_state->result);
1308	ldap_state->index = 0;
1309
1310	return NT_STATUS_OK;
1311	}
1312
1313	/**********************************************************************
1314	End enumeration of the LDAP password list.
1315	*********************************************************************/
1316
1317	static void ldapsam_endsampwent(struct pdb_methods *my_methods)
1318	{
1319	struct ldapsam_privates ldap_state = (struct ldapsam_privates )my_methods->private_data;
1320	if (ldap_state->result) {
1321	ldap_msgfree(ldap_state->result);
1322	ldap_state->result = NULL;
1323	}
1324	}
1325
1326	/**********************************************************************
1327	Get the next entry in the LDAP password database.
1328	*********************************************************************/
1329
1330	static NTSTATUS ldapsam_getsampwent(struct pdb_methods *my_methods,
1331	struct samu *user)
1332	{
1333	NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1334	struct ldapsam_privates *ldap_state =
1335	(struct ldapsam_privates *)my_methods->private_data;
1336	BOOL bret = False;
1337
1338	while (!bret) {
1339	if (!ldap_state->entry)
1340	return ret;
1341
1342	ldap_state->index++;
1343	bret = init_sam_from_ldap(ldap_state, user, ldap_state->entry);
1344
1345	ldap_state->entry = ldap_next_entry(priv2ld(ldap_state),
1346	ldap_state->entry);
1347	}
1348
1349	return NT_STATUS_OK;
1350	}
1351
1352	static void append_attr(TALLOC_CTX mem_ctx, const char **attr_list,
1353	const char *new_attr)
1354	{
1355	int i;
1356
1357	if (new_attr == NULL) {
1358	return;
1359	}
1360
1361	for (i=0; (*attr_list)[i] != NULL; i++) {
1362	;
1363	}
1364
1365	(attr_list) = TALLOC_REALLOC_ARRAY(mem_ctx, (attr_list),
1366	const char *, i+2);
1367	SMB_ASSERT((*attr_list) != NULL);
1368	(attr_list)[i] = talloc_strdup((attr_list), new_attr);
1369	(*attr_list)[i+1] = NULL;
1370	}
1371
1372	/**********************************************************************
1373	Get struct samu entry from LDAP by username.
1374	*********************************************************************/
1375
1376	static NTSTATUS ldapsam_getsampwnam(struct pdb_methods my_methods, struct samu user, const char *sname)
1377	{
1378	NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1379	struct ldapsam_privates ldap_state = (struct ldapsam_privates )my_methods->private_data;
1380	LDAPMessage *result = NULL;
1381	LDAPMessage *entry = NULL;
1382	int count;
1383	const char ** attr_list;
1384	int rc;
1385
1386	attr_list = get_userattr_list( user, ldap_state->schema_ver );
1387	append_attr(user, &attr_list,
1388	get_userattr_key2string(ldap_state->schema_ver,
1389	LDAP_ATTR_MOD_TIMESTAMP));
1390	append_attr(user, &attr_list, "uidNumber");
1391	rc = ldapsam_search_suffix_by_name(ldap_state, sname, &result,
1392	attr_list);
1393	TALLOC_FREE( attr_list );
1394
1395	if ( rc != LDAP_SUCCESS )
1396	return NT_STATUS_NO_SUCH_USER;
1397
1398	count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
1399
1400	if (count < 1) {
1401	DEBUG(4, ("ldapsam_getsampwnam: Unable to locate user [%s] count=%d\n", sname, count));
1402	ldap_msgfree(result);
1403	return NT_STATUS_NO_SUCH_USER;
1404	} else if (count > 1) {
1405	DEBUG(1, ("ldapsam_getsampwnam: Duplicate entries for this user [%s] Failing. count=%d\n", sname, count));
1406	ldap_msgfree(result);
1407	return NT_STATUS_NO_SUCH_USER;
1408	}
1409
1410	entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1411	if (entry) {
1412	if (!init_sam_from_ldap(ldap_state, user, entry)) {
1413	DEBUG(1,("ldapsam_getsampwnam: init_sam_from_ldap failed for user '%s'!\n", sname));
1414	ldap_msgfree(result);
1415	return NT_STATUS_NO_SUCH_USER;
1416	}
1417	pdb_set_backend_private_data(user, result, NULL,
1418	my_methods, PDB_CHANGED);
1419	talloc_autofree_ldapmsg(user, result);
1420	ret = NT_STATUS_OK;
1421	} else {
1422	ldap_msgfree(result);
1423	}
1424	return ret;
1425	}
1426
1427	static int ldapsam_get_ldap_user_by_sid(struct ldapsam_privates *ldap_state,
1428	const DOM_SID sid, LDAPMessage *result)
1429	{
1430	int rc = -1;
1431	const char ** attr_list;
1432	uint32 rid;
1433
1434	switch ( ldap_state->schema_ver ) {
1435	case SCHEMAVER_SAMBASAMACCOUNT: {
1436	TALLOC_CTX *tmp_ctx = talloc_new(NULL);
1437	if (tmp_ctx == NULL) {
1438	return LDAP_NO_MEMORY;
1439	}
1440
1441	attr_list = get_userattr_list(tmp_ctx,
1442	ldap_state->schema_ver);
1443	append_attr(tmp_ctx, &attr_list,
1444	get_userattr_key2string(
1445	ldap_state->schema_ver,
1446	LDAP_ATTR_MOD_TIMESTAMP));
1447	append_attr(tmp_ctx, &attr_list, "uidNumber");
1448	rc = ldapsam_search_suffix_by_sid(ldap_state, sid,
1449	result, attr_list);
1450	TALLOC_FREE(tmp_ctx);
1451
1452	if ( rc != LDAP_SUCCESS )
1453	return rc;
1454	break;
1455	}
1456
1457	case SCHEMAVER_SAMBAACCOUNT:
1458	if (!sid_peek_check_rid(&ldap_state->domain_sid, sid, &rid)) {
1459	return rc;
1460	}
1461
1462	attr_list = get_userattr_list(NULL,
1463	ldap_state->schema_ver);
1464	rc = ldapsam_search_suffix_by_rid(ldap_state, rid, result, attr_list );
1465	TALLOC_FREE( attr_list );
1466
1467	if ( rc != LDAP_SUCCESS )
1468	return rc;
1469	break;
1470	}
1471	return rc;
1472	}
1473
1474	/**********************************************************************
1475	Get struct samu entry from LDAP by SID.
1476	*********************************************************************/
1477
1478	static NTSTATUS ldapsam_getsampwsid(struct pdb_methods my_methods, struct samu user, const DOM_SID *sid)
1479	{
1480	struct ldapsam_privates ldap_state = (struct ldapsam_privates )my_methods->private_data;
1481	LDAPMessage *result = NULL;
1482	LDAPMessage *entry = NULL;
1483	int count;
1484	int rc;
1485	fstring sid_string;
1486
1487	rc = ldapsam_get_ldap_user_by_sid(ldap_state,
1488	sid, &result);
1489	if (rc != LDAP_SUCCESS)
1490	return NT_STATUS_NO_SUCH_USER;
1491
1492	count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
1493
1494	if (count < 1) {
1495	DEBUG(4, ("ldapsam_getsampwsid: Unable to locate SID [%s] count=%d\n", sid_to_string(sid_string, sid),
1496	count));
1497	ldap_msgfree(result);
1498	return NT_STATUS_NO_SUCH_USER;
1499	} else if (count > 1) {
1500	DEBUG(1, ("ldapsam_getsampwsid: More than one user with SID [%s]. Failing. count=%d\n", sid_to_string(sid_string, sid),
1501	count));
1502	ldap_msgfree(result);
1503	return NT_STATUS_NO_SUCH_USER;
1504	}
1505
1506	entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1507	if (!entry) {
1508	ldap_msgfree(result);
1509	return NT_STATUS_NO_SUCH_USER;
1510	}
1511
1512	if (!init_sam_from_ldap(ldap_state, user, entry)) {
1513	DEBUG(1,("ldapsam_getsampwsid: init_sam_from_ldap failed!\n"));
1514	ldap_msgfree(result);
1515	return NT_STATUS_NO_SUCH_USER;
1516	}
1517
1518	pdb_set_backend_private_data(user, result, NULL,
1519	my_methods, PDB_CHANGED);
1520	talloc_autofree_ldapmsg(user, result);
1521	return NT_STATUS_OK;
1522	}
1523
1524	/********************************************************************
1525	Do the actual modification - also change a plaintext passord if
1526	it it set.
1527	**********************************************************************/
1528
1529	static NTSTATUS ldapsam_modify_entry(struct pdb_methods *my_methods,
1530	struct samu newpwd, char dn,
1531	LDAPMod **mods, int ldap_op,
1532	BOOL (need_update)(const struct samu , enum pdb_elements))
1533	{
1534	struct ldapsam_privates ldap_state = (struct ldapsam_privates )my_methods->private_data;
1535	int rc;
1536
1537	if (!newpwd \|\| !dn) {
1538	return NT_STATUS_INVALID_PARAMETER;
1539	}
1540
1541	if (!mods) {
1542	DEBUG(5,("ldapsam_modify_entry: mods is empty: nothing to modify\n"));
1543	/* may be password change below however */
1544	} else {
1545	switch(ldap_op) {
1546	case LDAP_MOD_ADD:
1547	if (ldap_state->is_nds_ldap) {
1548	smbldap_set_mod(&mods, LDAP_MOD_ADD,
1549	"objectclass",
1550	"inetOrgPerson");
1551	} else {
1552	smbldap_set_mod(&mods, LDAP_MOD_ADD,
1553	"objectclass",
1554	LDAP_OBJ_ACCOUNT);
1555	}
1556	rc = smbldap_add(ldap_state->smbldap_state,
1557	dn, mods);
1558	break;
1559	case LDAP_MOD_REPLACE:
1560	rc = smbldap_modify(ldap_state->smbldap_state,
1561	dn ,mods);
1562	break;
1563	default:
1564	DEBUG(0,("ldapsam_modify_entry: Wrong LDAP operation type: %d!\n",
1565	ldap_op));
1566	return NT_STATUS_INVALID_PARAMETER;
1567	}
1568
1569	if (rc!=LDAP_SUCCESS) {
1570	return NT_STATUS_UNSUCCESSFUL;
1571	}
1572	}
1573
1574	if (!(pdb_get_acct_ctrl(newpwd)&(ACB_WSTRUST\|ACB_SVRTRUST\|ACB_DOMTRUST)) &&
1575	(lp_ldap_passwd_sync() != LDAP_PASSWD_SYNC_OFF) &&
1576	need_update(newpwd, PDB_PLAINTEXT_PW) &&
1577	(pdb_get_plaintext_passwd(newpwd)!=NULL)) {
1578	BerElement *ber;
1579	struct berval *bv;
1580	char *retoid = NULL;
1581	struct berval *retdata = NULL;
1582	char *utf8_password;
1583	char *utf8_dn;
1584
1585	if (!ldap_state->is_nds_ldap) {
1586
1587	if (!smbldap_has_extension(ldap_state->smbldap_state->ldap_struct,
1588	LDAP_EXOP_MODIFY_PASSWD)) {
1589	DEBUG(2, ("ldap password change requested, but LDAP "
1590	"server does not support it -- ignoring\n"));
1591	return NT_STATUS_OK;
1592	}
1593	}
1594
1595	if (push_utf8_allocate(&utf8_password, pdb_get_plaintext_passwd(newpwd)) == (size_t)-1) {
1596	return NT_STATUS_NO_MEMORY;
1597	}
1598
1599	if (push_utf8_allocate(&utf8_dn, dn) == (size_t)-1) {
1600	SAFE_FREE(utf8_password);
1601	return NT_STATUS_NO_MEMORY;
1602	}
1603
1604	if ((ber = ber_alloc_t(LBER_USE_DER))==NULL) {
1605	DEBUG(0,("ber_alloc_t returns NULL\n"));
1606	SAFE_FREE(utf8_password);
1607	SAFE_FREE(utf8_dn);
1608	return NT_STATUS_UNSUCCESSFUL;
1609	}
1610
1611	ber_printf (ber, "{");
1612	ber_printf (ber, "ts", LDAP_TAG_EXOP_MODIFY_PASSWD_ID, utf8_dn);
1613	ber_printf (ber, "ts", LDAP_TAG_EXOP_MODIFY_PASSWD_NEW, utf8_password);
1614	ber_printf (ber, "n}");
1615
1616	if ((rc = ber_flatten (ber, &bv))<0) {
1617	DEBUG(0,("ldapsam_modify_entry: ber_flatten returns a value <0\n"));
1618	ber_free(ber,1);
1619	SAFE_FREE(utf8_dn);
1620	SAFE_FREE(utf8_password);
1621	return NT_STATUS_UNSUCCESSFUL;
1622	}
1623
1624	SAFE_FREE(utf8_dn);
1625	SAFE_FREE(utf8_password);
1626	ber_free(ber, 1);
1627
1628	if (!ldap_state->is_nds_ldap) {
1629	rc = smbldap_extended_operation(ldap_state->smbldap_state,
1630	LDAP_EXOP_MODIFY_PASSWD,
1631	bv, NULL, NULL, &retoid,
1632	&retdata);
1633	} else {
1634	rc = pdb_nds_set_password(ldap_state->smbldap_state, dn,
1635	pdb_get_plaintext_passwd(newpwd));
1636	}
1637	if (rc != LDAP_SUCCESS) {
1638	char *ld_error = NULL;
1639
1640	if (rc == LDAP_OBJECT_CLASS_VIOLATION) {
1641	DEBUG(3, ("Could not set userPassword "
1642	"attribute due to an objectClass "
1643	"violation -- ignoring\n"));
1644	ber_bvfree(bv);
1645	return NT_STATUS_OK;
1646	}
1647
1648	ldap_get_option(ldap_state->smbldap_state->ldap_struct, LDAP_OPT_ERROR_STRING,
1649	&ld_error);
1650	DEBUG(0,("ldapsam_modify_entry: LDAP Password could not be changed for user %s: %s\n\t%s\n",
1651	pdb_get_username(newpwd), ldap_err2string(rc), ld_error?ld_error:"unknown"));
1652	SAFE_FREE(ld_error);
1653	ber_bvfree(bv);
1654	return NT_STATUS_UNSUCCESSFUL;
1655	} else {
1656	DEBUG(3,("ldapsam_modify_entry: LDAP Password changed for user %s\n",pdb_get_username(newpwd)));
1657	#ifdef DEBUG_PASSWORD
1658	DEBUG(100,("ldapsam_modify_entry: LDAP Password changed to %s\n",pdb_get_plaintext_passwd(newpwd)));
1659	#endif
1660	if (retdata)
1661	ber_bvfree(retdata);
1662	if (retoid)
1663	ldap_memfree(retoid);
1664	}
1665	ber_bvfree(bv);
1666	}
1667	return NT_STATUS_OK;
1668	}
1669
1670	/**********************************************************************
1671	Delete entry from LDAP for username.
1672	*********************************************************************/
1673
1674	static NTSTATUS ldapsam_delete_sam_account(struct pdb_methods *my_methods,
1675	struct samu * sam_acct)
1676	{
1677	struct ldapsam_privates *priv =
1678	(struct ldapsam_privates *)my_methods->private_data;
1679	const char *sname;
1680	int rc;
1681	LDAPMessage msg, entry;
1682	NTSTATUS result = NT_STATUS_NO_MEMORY;
1683	const char **attr_list;
1684	TALLOC_CTX *mem_ctx;
1685
1686	if (!sam_acct) {
1687	DEBUG(0, ("ldapsam_delete_sam_account: sam_acct was NULL!\n"));
1688	return NT_STATUS_INVALID_PARAMETER;
1689	}
1690
1691	sname = pdb_get_username(sam_acct);
1692
1693	DEBUG(3, ("ldapsam_delete_sam_account: Deleting user %s from "
1694	"LDAP.\n", sname));
1695
1696	mem_ctx = talloc_new(NULL);
1697	if (mem_ctx == NULL) {
1698	DEBUG(0, ("talloc_new failed\n"));
1699	goto done;
1700	}
1701
1702	attr_list = get_userattr_delete_list(mem_ctx, priv->schema_ver );
1703	if (attr_list == NULL) {
1704	goto done;
1705	}
1706
1707	rc = ldapsam_search_suffix_by_name(priv, sname, &msg, attr_list);
1708
1709	if ((rc != LDAP_SUCCESS) \|\|
1710	(ldap_count_entries(priv2ld(priv), msg) != 1) \|\|
1711	((entry = ldap_first_entry(priv2ld(priv), msg)) == NULL)) {
1712	DEBUG(5, ("Could not find user %s\n", sname));
1713	result = NT_STATUS_NO_SUCH_USER;
1714	goto done;
1715	}
1716
1717	rc = ldapsam_delete_entry(
1718	priv, mem_ctx, entry,
1719	priv->schema_ver == SCHEMAVER_SAMBASAMACCOUNT ?
1720	LDAP_OBJ_SAMBASAMACCOUNT : LDAP_OBJ_SAMBAACCOUNT,
1721	attr_list);
1722
1723	result = (rc == LDAP_SUCCESS) ?
1724	NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
1725
1726	done:
1727	TALLOC_FREE(mem_ctx);
1728	return result;
1729	}
1730
1731	/**********************************************************************
1732	Helper function to determine for update_sam_account whether
1733	we need LDAP modification.
1734	*********************************************************************/
1735
1736	static BOOL element_is_changed(const struct samu *sampass,
1737	enum pdb_elements element)
1738	{
1739	return IS_SAM_CHANGED(sampass, element);
1740	}
1741
1742	/**********************************************************************
1743	Update struct samu.
1744	*********************************************************************/
1745
1746	static NTSTATUS ldapsam_update_sam_account(struct pdb_methods my_methods, struct samu newpwd)
1747	{
1748	NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1749	struct ldapsam_privates ldap_state = (struct ldapsam_privates )my_methods->private_data;
1750	int rc = 0;
1751	char *dn;
1752	LDAPMessage *result = NULL;
1753	LDAPMessage *entry = NULL;
1754	LDAPMod **mods = NULL;
1755	const char **attr_list;
1756
1757	result = (LDAPMessage *)pdb_get_backend_private_data(newpwd, my_methods);
1758	if (!result) {
1759	attr_list = get_userattr_list(NULL, ldap_state->schema_ver);
1760	if (pdb_get_username(newpwd) == NULL) {
1761	return NT_STATUS_INVALID_PARAMETER;
1762	}
1763	rc = ldapsam_search_suffix_by_name(ldap_state, pdb_get_username(newpwd), &result, attr_list );
1764	TALLOC_FREE( attr_list );
1765	if (rc != LDAP_SUCCESS) {
1766	return NT_STATUS_UNSUCCESSFUL;
1767	}
1768	pdb_set_backend_private_data(newpwd, result, NULL,
1769	my_methods, PDB_CHANGED);
1770	talloc_autofree_ldapmsg(newpwd, result);
1771	}
1772
1773	if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) == 0) {
1774	DEBUG(0, ("ldapsam_update_sam_account: No user to modify!\n"));
1775	return NT_STATUS_UNSUCCESSFUL;
1776	}
1777
1778	entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
1779	dn = smbldap_get_dn(ldap_state->smbldap_state->ldap_struct, entry);
1780	if (!dn) {
1781	return NT_STATUS_UNSUCCESSFUL;
1782	}
1783
1784	DEBUG(4, ("ldapsam_update_sam_account: user %s to be modified has dn: %s\n", pdb_get_username(newpwd), dn));
1785
1786	if (!init_ldap_from_sam(ldap_state, entry, &mods, newpwd,
1787	element_is_changed)) {
1788	DEBUG(0, ("ldapsam_update_sam_account: init_ldap_from_sam failed!\n"));
1789	SAFE_FREE(dn);
1790	if (mods != NULL)
1791	ldap_mods_free(mods,True);
1792	return NT_STATUS_UNSUCCESSFUL;
1793	}
1794
1795	if (mods == NULL) {
1796	DEBUG(4,("ldapsam_update_sam_account: mods is empty: nothing to update for user: %s\n",
1797	pdb_get_username(newpwd)));
1798	SAFE_FREE(dn);
1799	return NT_STATUS_OK;
1800	}
1801
1802	ret = ldapsam_modify_entry(my_methods,newpwd,dn,mods,LDAP_MOD_REPLACE, element_is_changed);
1803	ldap_mods_free(mods,True);
1804	SAFE_FREE(dn);
1805
1806	/*
1807	* We need to set the backend private data to NULL here. For example
1808	* setuserinfo level 25 does a pdb_update_sam_account twice on the
1809	* same one, and with the explicit delete / add logic for attribute
1810	* values the second time we would use the wrong "old" value which
1811	* does not exist in LDAP anymore. Thus the LDAP server would refuse
1812	* the update.
1813	* The existing LDAPMessage is still being auto-freed by the
1814	* destructor.
1815	*/
1816	pdb_set_backend_private_data(newpwd, NULL, NULL, my_methods,
1817	PDB_CHANGED);
1818
1819	if (!NT_STATUS_IS_OK(ret)) {
1820	return ret;
1821	}
1822
1823	DEBUG(2, ("ldapsam_update_sam_account: successfully modified uid = %s in the LDAP database\n",
1824	pdb_get_username(newpwd)));
1825	return NT_STATUS_OK;
1826	}
1827
1828	/***************************************************************************
1829	Renames a struct samu
1830	- The "rename user script" has full responsibility for changing everything
1831	***************************************************************************/
1832
1833	static NTSTATUS ldapsam_rename_sam_account(struct pdb_methods *my_methods,
1834	struct samu *old_acct,
1835	const char *newname)
1836	{
1837	const char *oldname;
1838	int rc;
1839	pstring rename_script;
1840	fstring oldname_lower, newname_lower;
1841
1842	if (!old_acct) {
1843	DEBUG(0, ("ldapsam_rename_sam_account: old_acct was NULL!\n"));
1844	return NT_STATUS_INVALID_PARAMETER;
1845	}
1846	if (!newname) {
1847	DEBUG(0, ("ldapsam_rename_sam_account: newname was NULL!\n"));
1848	return NT_STATUS_INVALID_PARAMETER;
1849	}
1850
1851	oldname = pdb_get_username(old_acct);
1852
1853	/* rename the posix user */
1854	pstrcpy(rename_script, lp_renameuser_script());
1855
1856	if (!(*rename_script))
1857	return NT_STATUS_ACCESS_DENIED;
1858
1859	DEBUG (3, ("ldapsam_rename_sam_account: Renaming user %s to %s.\n",
1860	oldname, newname));
1861
1862	/* We have to allow the account name to end with a '$'.
1863	Also, follow the semantics in _samr_create_user() and lower case the
1864	posix name but preserve the case in passdb */
1865
1866	fstrcpy( oldname_lower, oldname );
1867	strlower_m( oldname_lower );
1868	fstrcpy( newname_lower, newname );
1869	strlower_m( newname_lower );
1870	string_sub2(rename_script, "%unew", newname_lower, sizeof(pstring),
1871	True, False, True);
1872	string_sub2(rename_script, "%uold", oldname_lower, sizeof(pstring),
1873	True, False, True);
1874	rc = smbrun(rename_script, NULL);
1875
1876	DEBUG(rc ? 0 : 3,("Running the command `%s' gave %d\n",
1877	rename_script, rc));
1878
1879	if (rc == 0) {
1880	smb_nscd_flush_user_cache();
1881	}
1882
1883	if (rc)
1884	return NT_STATUS_UNSUCCESSFUL;
1885
1886	return NT_STATUS_OK;
1887	}
1888
1889	/**********************************************************************
1890	Helper function to determine for update_sam_account whether
1891	we need LDAP modification.
1892	*********************************************************************/
1893
1894	static BOOL element_is_set_or_changed(const struct samu *sampass,
1895	enum pdb_elements element)
1896	{
1897	return (IS_SAM_SET(sampass, element) \|\|
1898	IS_SAM_CHANGED(sampass, element));
1899	}
1900
1901	/**********************************************************************
1902	Add struct samu to LDAP.
1903	*********************************************************************/
1904
1905	static NTSTATUS ldapsam_add_sam_account(struct pdb_methods my_methods, struct samu newpwd)
1906	{
1907	NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
1908	struct ldapsam_privates ldap_state = (struct ldapsam_privates )my_methods->private_data;
1909	int rc;
1910	LDAPMessage *result = NULL;
1911	LDAPMessage *entry = NULL;
1912	pstring dn;
1913	LDAPMod **mods = NULL;
1914	int ldap_op = LDAP_MOD_REPLACE;
1915	uint32 num_result;
1916	const char **attr_list;
1917	char *escape_user;
1918	const char *username = pdb_get_username(newpwd);
1919	const DOM_SID *sid = pdb_get_user_sid(newpwd);
1920	pstring filter;
1921	fstring sid_string;
1922
1923	if (!username \|\| !*username) {
1924	DEBUG(0, ("ldapsam_add_sam_account: Cannot add user without a username!\n"));
1925	return NT_STATUS_INVALID_PARAMETER;
1926	}
1927
1928	/* free this list after the second search or in case we exit on failure */
1929	attr_list = get_userattr_list(NULL, ldap_state->schema_ver);
1930
1931	rc = ldapsam_search_suffix_by_name (ldap_state, username, &result, attr_list);
1932
1933	if (rc != LDAP_SUCCESS) {
1934	TALLOC_FREE( attr_list );
1935	return NT_STATUS_UNSUCCESSFUL;
1936	}
1937
1938	if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) != 0) {
1939	DEBUG(0,("ldapsam_add_sam_account: User '%s' already in the base, with samba attributes\n",
1940	username));
1941	ldap_msgfree(result);
1942	TALLOC_FREE( attr_list );
1943	return NT_STATUS_UNSUCCESSFUL;
1944	}
1945	ldap_msgfree(result);
1946	result = NULL;
1947
1948	if (element_is_set_or_changed(newpwd, PDB_USERSID)) {
1949	rc = ldapsam_get_ldap_user_by_sid(ldap_state,
1950	sid, &result);
1951	if (rc == LDAP_SUCCESS) {
1952	if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) != 0) {
1953	DEBUG(0,("ldapsam_add_sam_account: SID '%s' already in the base, with samba attributes\n",
1954	sid_to_string(sid_string, sid)));
1955	TALLOC_FREE( attr_list );
1956	ldap_msgfree(result);
1957	return NT_STATUS_UNSUCCESSFUL;
1958	}
1959	ldap_msgfree(result);
1960	}
1961	}
1962
1963	/* does the entry already exist but without a samba attributes?
1964	we need to return the samba attributes here */
1965
1966	escape_user = escape_ldap_string_alloc( username );
1967	pstrcpy( filter, "(uid=%u)" );
1968	all_string_sub( filter, "%u", escape_user, sizeof(filter) );
1969	SAFE_FREE( escape_user );
1970
1971	rc = smbldap_search_suffix(ldap_state->smbldap_state,
1972	filter, attr_list, &result);
1973	if ( rc != LDAP_SUCCESS ) {
1974	TALLOC_FREE( attr_list );
1975	return NT_STATUS_UNSUCCESSFUL;
1976	}
1977
1978	num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
1979
1980	if (num_result > 1) {
1981	DEBUG (0, ("ldapsam_add_sam_account: More than one user with that uid exists: bailing out!\n"));
1982	TALLOC_FREE( attr_list );
1983	ldap_msgfree(result);
1984	return NT_STATUS_UNSUCCESSFUL;
1985	}
1986
1987	/* Check if we need to update an existing entry */
1988	if (num_result == 1) {
1989	char *tmp;
1990
1991	DEBUG(3,("ldapsam_add_sam_account: User exists without samba attributes: adding them\n"));
1992	ldap_op = LDAP_MOD_REPLACE;
1993	entry = ldap_first_entry (ldap_state->smbldap_state->ldap_struct, result);
1994	tmp = smbldap_get_dn (ldap_state->smbldap_state->ldap_struct, entry);
1995	if (!tmp) {
1996	TALLOC_FREE( attr_list );
1997	ldap_msgfree(result);
1998	return NT_STATUS_UNSUCCESSFUL;
1999	}
2000	slprintf (dn, sizeof (dn) - 1, "%s", tmp);
2001	SAFE_FREE(tmp);
2002
2003	} else if (ldap_state->schema_ver == SCHEMAVER_SAMBASAMACCOUNT) {
2004
2005	/* There might be a SID for this account already - say an idmap entry */
2006
2007	pstr_sprintf(filter, "(&(%s=%s)(\|(objectClass=%s)(objectClass=%s)))",
2008	get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_SID),
2009	sid_to_string(sid_string, sid),
2010	LDAP_OBJ_IDMAP_ENTRY,
2011	LDAP_OBJ_SID_ENTRY);
2012
2013	/* free old result before doing a new search */
2014	if (result != NULL) {
2015	ldap_msgfree(result);
2016	result = NULL;
2017	}
2018	rc = smbldap_search_suffix(ldap_state->smbldap_state,
2019	filter, attr_list, &result);
2020
2021	if ( rc != LDAP_SUCCESS ) {
2022	TALLOC_FREE( attr_list );
2023	return NT_STATUS_UNSUCCESSFUL;
2024	}
2025
2026	num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
2027
2028	if (num_result > 1) {
2029	DEBUG (0, ("ldapsam_add_sam_account: More than one user with specified Sid exists: bailing out!\n"));
2030	TALLOC_FREE( attr_list );
2031	ldap_msgfree(result);
2032	return NT_STATUS_UNSUCCESSFUL;
2033	}
2034
2035	/* Check if we need to update an existing entry */
2036	if (num_result == 1) {
2037	char *tmp;
2038
2039	DEBUG(3,("ldapsam_add_sam_account: User exists without samba attributes: adding them\n"));
2040	ldap_op = LDAP_MOD_REPLACE;
2041	entry = ldap_first_entry (ldap_state->smbldap_state->ldap_struct, result);
2042	tmp = smbldap_get_dn (ldap_state->smbldap_state->ldap_struct, entry);
2043	if (!tmp) {
2044	TALLOC_FREE( attr_list );
2045	ldap_msgfree(result);
2046	return NT_STATUS_UNSUCCESSFUL;
2047	}
2048	slprintf (dn, sizeof (dn) - 1, "%s", tmp);
2049	SAFE_FREE(tmp);
2050	}
2051	}
2052
2053	TALLOC_FREE( attr_list );
2054
2055	if (num_result == 0) {
2056	char *escape_username;
2057	/* Check if we need to add an entry */
2058	DEBUG(3,("ldapsam_add_sam_account: Adding new user\n"));
2059	ldap_op = LDAP_MOD_ADD;
2060
2061	escape_username = escape_rdn_val_string_alloc(username);
2062	if (!escape_username) {
2063	DEBUG(0, ("Out of memory!\n"));
2064	ldap_msgfree(result);
2065	return NT_STATUS_NO_MEMORY;
2066	}
2067
2068	if (username[strlen(username)-1] == '$') {
2069	slprintf (dn, sizeof (dn) - 1, "uid=%s,%s", escape_username, lp_ldap_machine_suffix ());
2070	} else {
2071	slprintf (dn, sizeof (dn) - 1, "uid=%s,%s", escape_username, lp_ldap_user_suffix ());
2072	}
2073
2074	SAFE_FREE(escape_username);
2075	}
2076
2077	if (!init_ldap_from_sam(ldap_state, entry, &mods, newpwd,
2078	element_is_set_or_changed)) {
2079	DEBUG(0, ("ldapsam_add_sam_account: init_ldap_from_sam failed!\n"));
2080	ldap_msgfree(result);
2081	if (mods != NULL)
2082	ldap_mods_free(mods,True);
2083	return NT_STATUS_UNSUCCESSFUL;
2084	}
2085
2086	ldap_msgfree(result);
2087
2088	if (mods == NULL) {
2089	DEBUG(0,("ldapsam_add_sam_account: mods is empty: nothing to add for user: %s\n",pdb_get_username(newpwd)));
2090	return NT_STATUS_UNSUCCESSFUL;
2091	}
2092	switch ( ldap_state->schema_ver ) {
2093	case SCHEMAVER_SAMBAACCOUNT:
2094	smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_SAMBAACCOUNT);
2095	break;
2096	case SCHEMAVER_SAMBASAMACCOUNT:
2097	smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_SAMBASAMACCOUNT);
2098	break;
2099	default:
2100	DEBUG(0,("ldapsam_add_sam_account: invalid schema version specified\n"));
2101	break;
2102	}
2103
2104	ret = ldapsam_modify_entry(my_methods,newpwd,dn,mods,ldap_op, element_is_set_or_changed);
2105	if (!NT_STATUS_IS_OK(ret)) {
2106	DEBUG(0,("ldapsam_add_sam_account: failed to modify/add user with uid = %s (dn = %s)\n",
2107	pdb_get_username(newpwd),dn));
2108	ldap_mods_free(mods, True);
2109	return ret;
2110	}
2111
2112	DEBUG(2,("ldapsam_add_sam_account: added: uid == %s in the LDAP database\n", pdb_get_username(newpwd)));
2113	ldap_mods_free(mods, True);
2114
2115	return NT_STATUS_OK;
2116	}
2117
2118	/**********************************************************************
2119	*********************************************************************/
2120
2121	static int ldapsam_search_one_group (struct ldapsam_privates *ldap_state,
2122	const char *filter,
2123	LDAPMessage ** result)
2124	{
2125	int scope = LDAP_SCOPE_SUBTREE;
2126	int rc;
2127	const char **attr_list;
2128
2129	attr_list = get_attr_list(NULL, groupmap_attr_list);
2130	rc = smbldap_search(ldap_state->smbldap_state,
2131	lp_ldap_group_suffix (), scope,
2132	filter, attr_list, 0, result);
2133	TALLOC_FREE(attr_list);
2134
2135	return rc;
2136	}
2137
2138	/**********************************************************************
2139	*********************************************************************/
2140
2141	static BOOL init_group_from_ldap(struct ldapsam_privates *ldap_state,
2142	GROUP_MAP map, LDAPMessage entry)
2143	{
2144	pstring temp;
2145
2146	if (ldap_state == NULL \|\| map == NULL \|\| entry == NULL \|\|
2147	ldap_state->smbldap_state->ldap_struct == NULL) {
2148	DEBUG(0, ("init_group_from_ldap: NULL parameters found!\n"));
2149	return False;
2150	}
2151
2152	if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
2153	get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GIDNUMBER), temp)) {
2154	DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2155	get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GIDNUMBER)));
2156	return False;
2157	}
2158	DEBUG(2, ("init_group_from_ldap: Entry found for group: %s\n", temp));
2159
2160	map->gid = (gid_t)atol(temp);
2161
2162	if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
2163	get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_SID), temp)) {
2164	DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2165	get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_SID)));
2166	return False;
2167	}
2168
2169	if (!string_to_sid(&map->sid, temp)) {
2170	DEBUG(1, ("SID string [%s] could not be read as a valid SID\n", temp));
2171	return False;
2172	}
2173
2174	if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
2175	get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_TYPE), temp)) {
2176	DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
2177	get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_TYPE)));
2178	return False;
2179	}
2180	map->sid_name_use = (enum lsa_SidType)atol(temp);
2181
2182	if ((map->sid_name_use < SID_NAME_USER) \|\|
2183	(map->sid_name_use > SID_NAME_UNKNOWN)) {
2184	DEBUG(0, ("init_group_from_ldap: Unknown Group type: %d\n", map->sid_name_use));
2185	return False;
2186	}
2187
2188	if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
2189	get_attr_key2string( groupmap_attr_list, LDAP_ATTR_DISPLAY_NAME), temp)) {
2190	temp[0] = '\0';
2191	if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
2192	get_attr_key2string( groupmap_attr_list, LDAP_ATTR_CN), temp))
2193	{
2194	DEBUG(0, ("init_group_from_ldap: Attributes cn not found either \
2195	for gidNumber(%lu)\n",(unsigned long)map->gid));
2196	return False;
2197	}
2198	}
2199	fstrcpy(map->nt_name, temp);
2200
2201	if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
2202	get_attr_key2string( groupmap_attr_list, LDAP_ATTR_DESC), temp)) {
2203	temp[0] = '\0';
2204	}
2205	fstrcpy(map->comment, temp);
2206
2207	if (lp_parm_bool(-1, "ldapsam", "trusted", False)) {
2208	store_gid_sid_cache(&map->sid, map->gid);
2209	}
2210
2211	return True;
2212	}
2213
2214	/**********************************************************************
2215	*********************************************************************/
2216
2217	static NTSTATUS ldapsam_getgroup(struct pdb_methods *methods,
2218	const char *filter,
2219	GROUP_MAP *map)
2220	{
2221	struct ldapsam_privates *ldap_state =
2222	(struct ldapsam_privates *)methods->private_data;
2223	LDAPMessage *result = NULL;
2224	LDAPMessage *entry = NULL;
2225	int count;
2226
2227	if (ldapsam_search_one_group(ldap_state, filter, &result)
2228	!= LDAP_SUCCESS) {
2229	return NT_STATUS_NO_SUCH_GROUP;
2230	}
2231
2232	count = ldap_count_entries(priv2ld(ldap_state), result);
2233
2234	if (count < 1) {
2235	DEBUG(4, ("ldapsam_getgroup: Did not find group\n"));
2236	ldap_msgfree(result);
2237	return NT_STATUS_NO_SUCH_GROUP;
2238	}
2239
2240	if (count > 1) {
2241	DEBUG(1, ("ldapsam_getgroup: Duplicate entries for filter %s: "
2242	"count=%d\n", filter, count));
2243	ldap_msgfree(result);
2244	return NT_STATUS_NO_SUCH_GROUP;
2245	}
2246
2247	entry = ldap_first_entry(priv2ld(ldap_state), result);
2248
2249	if (!entry) {
2250	ldap_msgfree(result);
2251	return NT_STATUS_UNSUCCESSFUL;
2252	}
2253
2254	if (!init_group_from_ldap(ldap_state, map, entry)) {
2255	DEBUG(1, ("ldapsam_getgroup: init_group_from_ldap failed for "
2256	"group filter %s\n", filter));
2257	ldap_msgfree(result);
2258	return NT_STATUS_NO_SUCH_GROUP;
2259	}
2260
2261	ldap_msgfree(result);
2262	return NT_STATUS_OK;
2263	}
2264
2265	/**********************************************************************
2266	*********************************************************************/
2267
2268	static NTSTATUS ldapsam_getgrsid(struct pdb_methods methods, GROUP_MAP map,
2269	DOM_SID sid)
2270	{
2271	pstring filter;
2272
2273	pstr_sprintf(filter, "(&(objectClass=%s)(%s=%s))",
2274	LDAP_OBJ_GROUPMAP,
2275	get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GROUP_SID),
2276	sid_string_static(&sid));
2277
2278	return ldapsam_getgroup(methods, filter, map);
2279	}
2280
2281	/**********************************************************************
2282	*********************************************************************/
2283
2284	static NTSTATUS ldapsam_getgrgid(struct pdb_methods methods, GROUP_MAP map,
2285	gid_t gid)
2286	{
2287	pstring filter;
2288
2289	pstr_sprintf(filter, "(&(objectClass=%s)(%s=%lu))",
2290	LDAP_OBJ_GROUPMAP,
2291	get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GIDNUMBER),
2292	(unsigned long)gid);
2293
2294	return ldapsam_getgroup(methods, filter, map);
2295	}
2296
2297	/**********************************************************************
2298	*********************************************************************/
2299
2300	static NTSTATUS ldapsam_getgrnam(struct pdb_methods methods, GROUP_MAP map,
2301	const char *name)
2302	{
2303	pstring filter;
2304	char *escape_name = escape_ldap_string_alloc(name);
2305
2306	if (!escape_name) {
2307	return NT_STATUS_NO_MEMORY;
2308	}
2309
2310	pstr_sprintf(filter, "(&(objectClass=%s)(\|(%s=%s)(%s=%s)))",
2311	LDAP_OBJ_GROUPMAP,
2312	get_attr_key2string(groupmap_attr_list, LDAP_ATTR_DISPLAY_NAME), escape_name,
2313	get_attr_key2string(groupmap_attr_list, LDAP_ATTR_CN), escape_name);
2314
2315	SAFE_FREE(escape_name);
2316
2317	return ldapsam_getgroup(methods, filter, map);
2318	}
2319
2320	static BOOL ldapsam_extract_rid_from_entry(LDAP *ldap_struct,
2321	LDAPMessage *entry,
2322	const DOM_SID *domain_sid,
2323	uint32 *rid)
2324	{
2325	fstring str;
2326	DOM_SID sid;
2327
2328	if (!smbldap_get_single_attribute(ldap_struct, entry, "sambaSID",
2329	str, sizeof(str)-1)) {
2330	DEBUG(10, ("Could not find sambaSID attribute\n"));
2331	return False;
2332	}
2333
2334	if (!string_to_sid(&sid, str)) {
2335	DEBUG(10, ("Could not convert string %s to sid\n", str));
2336	return False;
2337	}
2338
2339	if (sid_compare_domain(&sid, domain_sid) != 0) {
2340	DEBUG(10, ("SID %s is not in expected domain %s\n",
2341	str, sid_string_static(domain_sid)));
2342	return False;
2343	}
2344
2345	if (!sid_peek_rid(&sid, rid)) {
2346	DEBUG(10, ("Could not peek into RID\n"));
2347	return False;
2348	}
2349
2350	return True;
2351	}
2352
2353	static NTSTATUS ldapsam_enum_group_members(struct pdb_methods *methods,
2354	TALLOC_CTX *mem_ctx,
2355	const DOM_SID *group,
2356	uint32 **pp_member_rids,
2357	size_t *p_num_members)
2358	{
2359	struct ldapsam_privates *ldap_state =
2360	(struct ldapsam_privates *)methods->private_data;
2361	struct smbldap_state *conn = ldap_state->smbldap_state;
2362	const char *id_attrs[] = { "memberUid", "gidNumber", NULL };
2363	const char *sid_attrs[] = { "sambaSID", NULL };
2364	NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2365	LDAPMessage *result = NULL;
2366	LDAPMessage *entry;
2367	char *filter;
2368	char **values = NULL;
2369	char **memberuid;
2370	char *gidstr;
2371	int rc, count;
2372
2373	*pp_member_rids = NULL;
2374	*p_num_members = 0;
2375
2376	filter = talloc_asprintf(mem_ctx,
2377	"(&(objectClass=%s)"
2378	"(objectClass=%s)"
2379	"(sambaSID=%s))",
2380	LDAP_OBJ_POSIXGROUP,
2381	LDAP_OBJ_GROUPMAP,
2382	sid_string_static(group));
2383	if (filter == NULL) {
2384	ret = NT_STATUS_NO_MEMORY;
2385	goto done;
2386	}
2387
2388	rc = smbldap_search(conn, lp_ldap_group_suffix(),
2389	LDAP_SCOPE_SUBTREE, filter, id_attrs, 0,
2390	&result);
2391
2392	if (rc != LDAP_SUCCESS)
2393	goto done;
2394
2395	talloc_autofree_ldapmsg(mem_ctx, result);
2396
2397	count = ldap_count_entries(conn->ldap_struct, result);
2398
2399	if (count > 1) {
2400	DEBUG(1, ("Found more than one groupmap entry for %s\n",
2401	sid_string_static(group)));
2402	ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2403	goto done;
2404	}
2405
2406	if (count == 0) {
2407	ret = NT_STATUS_NO_SUCH_GROUP;
2408	goto done;
2409	}
2410
2411	entry = ldap_first_entry(conn->ldap_struct, result);
2412	if (entry == NULL)
2413	goto done;
2414
2415	gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", mem_ctx);
2416	if (!gidstr) {
2417	DEBUG (0, ("ldapsam_enum_group_members: Unable to find the group's gid!\n"));
2418	ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2419	goto done;
2420	}
2421
2422	values = ldap_get_values(conn->ldap_struct, entry, "memberUid");
2423
2424	if (values) {
2425
2426	filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)(\|", LDAP_OBJ_SAMBASAMACCOUNT);
2427	if (filter == NULL) {
2428	ret = NT_STATUS_NO_MEMORY;
2429	goto done;
2430	}
2431
2432	for (memberuid = values; *memberuid != NULL; memberuid += 1) {
2433	char *escape_memberuid;
2434
2435	escape_memberuid = escape_ldap_string_alloc(*memberuid);
2436	if (escape_memberuid == NULL) {
2437	ret = NT_STATUS_NO_MEMORY;
2438	goto done;
2439	}
2440
2441	filter = talloc_asprintf_append(filter, "(uid=%s)", escape_memberuid);
2442	if (filter == NULL) {
2443	SAFE_FREE(escape_memberuid);
2444	ret = NT_STATUS_NO_MEMORY;
2445	goto done;
2446	}
2447
2448	SAFE_FREE(escape_memberuid);
2449	}
2450
2451	filter = talloc_asprintf_append(filter, "))");
2452	if (filter == NULL) {
2453	ret = NT_STATUS_NO_MEMORY;
2454	goto done;
2455	}
2456
2457	rc = smbldap_search(conn, lp_ldap_user_suffix(),
2458	LDAP_SCOPE_SUBTREE, filter, sid_attrs, 0,
2459	&result);
2460
2461	if (rc != LDAP_SUCCESS)
2462	goto done;
2463
2464	count = ldap_count_entries(conn->ldap_struct, result);
2465	DEBUG(10,("ldapsam_enum_group_members: found %d accounts\n", count));
2466
2467	talloc_autofree_ldapmsg(mem_ctx, result);
2468
2469	for (entry = ldap_first_entry(conn->ldap_struct, result);
2470	entry != NULL;
2471	entry = ldap_next_entry(conn->ldap_struct, entry))
2472	{
2473	char *sidstr;
2474	DOM_SID sid;
2475	uint32 rid;
2476
2477	sidstr = smbldap_talloc_single_attribute(conn->ldap_struct,
2478	entry, "sambaSID",
2479	mem_ctx);
2480	if (!sidstr) {
2481	DEBUG(0, ("Severe DB error, sambaSamAccount can't miss "
2482	"the sambaSID attribute\n"));
2483	ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2484	goto done;
2485	}
2486
2487	if (!string_to_sid(&sid, sidstr))
2488	goto done;
2489
2490	if (!sid_check_is_in_our_domain(&sid)) {
2491	DEBUG(0, ("Inconsistent SAM -- group member uid not "
2492	"in our domain\n"));
2493	ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2494	goto done;
2495	}
2496
2497	sid_peek_rid(&sid, &rid);
2498
2499	if (!add_rid_to_array_unique(mem_ctx, rid, pp_member_rids,
2500	p_num_members)) {
2501	ret = NT_STATUS_NO_MEMORY;
2502	goto done;
2503	}
2504	}
2505	}
2506
2507	filter = talloc_asprintf(mem_ctx,
2508	"(&(objectClass=%s)"
2509	"(gidNumber=%s))",
2510	LDAP_OBJ_SAMBASAMACCOUNT,
2511	gidstr);
2512
2513	rc = smbldap_search(conn, lp_ldap_user_suffix(),
2514	LDAP_SCOPE_SUBTREE, filter, sid_attrs, 0,
2515	&result);
2516
2517	if (rc != LDAP_SUCCESS)
2518	goto done;
2519
2520	talloc_autofree_ldapmsg(mem_ctx, result);
2521
2522	for (entry = ldap_first_entry(conn->ldap_struct, result);
2523	entry != NULL;
2524	entry = ldap_next_entry(conn->ldap_struct, entry))
2525	{
2526	uint32 rid;
2527
2528	if (!ldapsam_extract_rid_from_entry(conn->ldap_struct,
2529	entry,
2530	get_global_sam_sid(),
2531	&rid)) {
2532	DEBUG(0, ("Severe DB error, sambaSamAccount can't miss "
2533	"the sambaSID attribute\n"));
2534	ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2535	goto done;
2536	}
2537
2538	if (!add_rid_to_array_unique(mem_ctx, rid, pp_member_rids,
2539	p_num_members)) {
2540	ret = NT_STATUS_NO_MEMORY;
2541	goto done;
2542	}
2543	}
2544
2545	ret = NT_STATUS_OK;
2546
2547	done:
2548
2549	if (values)
2550	ldap_value_free(values);
2551
2552	return ret;
2553	}
2554
2555	static NTSTATUS ldapsam_enum_group_memberships(struct pdb_methods *methods,
2556	TALLOC_CTX *mem_ctx,
2557	struct samu *user,
2558	DOM_SID **pp_sids,
2559	gid_t **pp_gids,
2560	size_t *p_num_groups)
2561	{
2562	struct ldapsam_privates *ldap_state =
2563	(struct ldapsam_privates *)methods->private_data;
2564	struct smbldap_state *conn = ldap_state->smbldap_state;
2565	char *filter;
2566	const char *attrs[] = { "gidNumber", "sambaSID", NULL };
2567	char *escape_name;
2568	int rc, count;
2569	LDAPMessage *result = NULL;
2570	LDAPMessage *entry;
2571	NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
2572	size_t num_sids, num_gids;
2573	char *gidstr;
2574	gid_t primary_gid = -1;
2575
2576	*pp_sids = NULL;
2577	num_sids = 0;
2578
2579	if (pdb_get_username(user) == NULL) {
2580	return NT_STATUS_INVALID_PARAMETER;
2581	}
2582
2583	escape_name = escape_ldap_string_alloc(pdb_get_username(user));
2584	if (escape_name == NULL)
2585	return NT_STATUS_NO_MEMORY;
2586
2587	/* retrieve the users primary gid */
2588	filter = talloc_asprintf(mem_ctx,
2589	"(&(objectClass=%s)(uid=%s))",
2590	LDAP_OBJ_SAMBASAMACCOUNT,
2591	escape_name);
2592	if (filter == NULL) {
2593	ret = NT_STATUS_NO_MEMORY;
2594	goto done;
2595	}
2596
2597	rc = smbldap_search(conn, lp_ldap_user_suffix(),
2598	LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
2599
2600	if (rc != LDAP_SUCCESS)
2601	goto done;
2602
2603	talloc_autofree_ldapmsg(mem_ctx, result);
2604
2605	count = ldap_count_entries(priv2ld(ldap_state), result);
2606
2607	switch (count) {
2608	case 0:
2609	DEBUG(1, ("User account [%s] not found!\n", pdb_get_username(user)));
2610	ret = NT_STATUS_NO_SUCH_USER;
2611	goto done;
2612	case 1:
2613	entry = ldap_first_entry(priv2ld(ldap_state), result);
2614
2615	gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", mem_ctx);
2616	if (!gidstr) {
2617	DEBUG (1, ("Unable to find the member's gid!\n"));
2618	ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2619	goto done;
2620	}
2621	primary_gid = strtoul(gidstr, NULL, 10);
2622	break;
2623	default:
2624	DEBUG(1, ("found more than one account with the same user name ?!\n"));
2625	ret = NT_STATUS_INTERNAL_DB_CORRUPTION;
2626	goto done;
2627	}
2628
2629	filter = talloc_asprintf(mem_ctx,
2630	"(&(objectClass=%s)(\|(memberUid=%s)(gidNumber=%d)))",
2631	LDAP_OBJ_POSIXGROUP, escape_name, primary_gid);
2632	if (filter == NULL) {
2633	ret = NT_STATUS_NO_MEMORY;
2634	goto done;
2635	}
2636
2637	rc = smbldap_search(conn, lp_ldap_group_suffix(),
2638	LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
2639
2640	if (rc != LDAP_SUCCESS)
2641	goto done;
2642
2643	talloc_autofree_ldapmsg(mem_ctx, result);
2644
2645	num_gids = 0;
2646	*pp_gids = NULL;
2647
2648	num_sids = 0;
2649	*pp_sids = NULL;
2650
2651	/* We need to add the primary group as the first gid/sid */
2652
2653	if (!add_gid_to_array_unique(mem_ctx, primary_gid, pp_gids, &num_gids)) {
2654	ret = NT_STATUS_NO_MEMORY;
2655	goto done;
2656	}
2657
2658	/* This sid will be replaced later */
2659
2660	if (!add_sid_to_array_unique(mem_ctx, &global_sid_NULL, pp_sids, &num_sids)) {
2661	ret = NT_STATUS_NO_MEMORY;
2662	goto done;
2663	}
2664
2665	for (entry = ldap_first_entry(conn->ldap_struct, result);
2666	entry != NULL;
2667	entry = ldap_next_entry(conn->ldap_struct, entry))
2668	{
2669	fstring str;
2670	DOM_SID sid;
2671	gid_t gid;
2672	char *end;
2673
2674	if (!smbldap_get_single_attribute(conn->ldap_struct,
2675	entry, "sambaSID",
2676	str, sizeof(str)-1))
2677	continue;
2678
2679	if (!string_to_sid(&sid, str))
2680	goto done;
2681
2682	if (!smbldap_get_single_attribute(conn->ldap_struct,
2683	entry, "gidNumber",
2684	str, sizeof(str)-1))
2685	continue;
2686
2687	gid = strtoul(str, &end, 10);
2688
2689	if (PTR_DIFF(end, str) != strlen(str))
2690	goto done;
2691
2692	if (gid == primary_gid) {
2693	sid_copy(&(*pp_sids)[0], &sid);
2694	} else {
2695	if (!add_gid_to_array_unique(mem_ctx, gid, pp_gids,
2696	&num_gids)) {
2697	ret = NT_STATUS_NO_MEMORY;
2698	goto done;
2699	}
2700	if (!add_sid_to_array_unique(mem_ctx, &sid, pp_sids,
2701	&num_sids)) {
2702	ret = NT_STATUS_NO_MEMORY;
2703	goto done;
2704	}
2705	}
2706	}
2707
2708	if (sid_compare(&global_sid_NULL, &(*pp_sids)[0]) == 0) {
2709	DEBUG(3, ("primary group of [%s] not found\n",
2710	pdb_get_username(user)));
2711	goto done;
2712	}
2713
2714	*p_num_groups = num_sids;
2715
2716	ret = NT_STATUS_OK;
2717
2718	done:
2719
2720	SAFE_FREE(escape_name);
2721	return ret;
2722	}
2723
2724	/**********************************************************************
2725	* Augment a posixGroup object with a sambaGroupMapping domgroup
2726	*********************************************************************/
2727
2728	static NTSTATUS ldapsam_map_posixgroup(TALLOC_CTX *mem_ctx,
2729	struct ldapsam_privates *ldap_state,
2730	GROUP_MAP *map)
2731	{
2732	const char filter, dn;
2733	LDAPMessage msg, entry;
2734	LDAPMod **mods;
2735	int rc;
2736
2737	filter = talloc_asprintf(mem_ctx,
2738	"(&(objectClass=posixGroup)(gidNumber=%u))",
2739	map->gid);
2740	if (filter == NULL) {
2741	return NT_STATUS_NO_MEMORY;
2742	}
2743
2744	rc = smbldap_search_suffix(ldap_state->smbldap_state, filter,
2745	get_attr_list(mem_ctx, groupmap_attr_list),
2746	&msg);
2747	talloc_autofree_ldapmsg(mem_ctx, msg);
2748
2749	if ((rc != LDAP_SUCCESS) \|\|
2750	(ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) != 1) \|\|
2751	((entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg)) == NULL)) {
2752	return NT_STATUS_NO_SUCH_GROUP;
2753	}
2754
2755	dn = smbldap_talloc_dn(mem_ctx, ldap_state->smbldap_state->ldap_struct, entry);
2756	if (dn == NULL) {
2757	return NT_STATUS_NO_MEMORY;
2758	}
2759
2760	mods = NULL;
2761	smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass",
2762	"sambaGroupMapping");
2763	smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "sambaSid",
2764	sid_string_static(&map->sid));
2765	smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "sambaGroupType",
2766	talloc_asprintf(mem_ctx, "%d", map->sid_name_use));
2767	smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "displayName",
2768	map->nt_name);
2769	smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "description",
2770	map->comment);
2771	talloc_autofree_ldapmod(mem_ctx, mods);
2772
2773	rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
2774	if (rc != LDAP_SUCCESS) {
2775	return NT_STATUS_ACCESS_DENIED;
2776	}
2777
2778	return NT_STATUS_OK;
2779	}
2780
2781	static NTSTATUS ldapsam_add_group_mapping_entry(struct pdb_methods *methods,
2782	GROUP_MAP *map)
2783	{
2784	struct ldapsam_privates *ldap_state =
2785	(struct ldapsam_privates *)methods->private_data;
2786	LDAPMessage *msg = NULL;
2787	LDAPMod **mods = NULL;
2788	const char *attrs[] = { NULL };
2789	char *filter;
2790
2791	char *dn;
2792	TALLOC_CTX *mem_ctx;
2793	NTSTATUS result;
2794
2795	DOM_SID sid;
2796
2797	int rc;
2798
2799	mem_ctx = talloc_new(NULL);
2800	if (mem_ctx == NULL) {
2801	DEBUG(0, ("talloc_new failed\n"));
2802	return NT_STATUS_NO_MEMORY;
2803	}
2804
2805	filter = talloc_asprintf(mem_ctx, "(sambaSid=%s)",
2806	sid_string_static(&map->sid));
2807	if (filter == NULL) {
2808	result = NT_STATUS_NO_MEMORY;
2809	goto done;
2810	}
2811
2812	rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_suffix(),
2813	LDAP_SCOPE_SUBTREE, filter, attrs, True, &msg);
2814	talloc_autofree_ldapmsg(mem_ctx, msg);
2815
2816	if ((rc == LDAP_SUCCESS) &&
2817	(ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) > 0)) {
2818
2819	DEBUG(3, ("SID %s already present in LDAP, refusing to add "
2820	"group mapping entry\n",
2821	sid_string_static(&map->sid)));
2822	result = NT_STATUS_GROUP_EXISTS;
2823	goto done;
2824	}
2825
2826	switch (map->sid_name_use) {
2827
2828	case SID_NAME_DOM_GRP:
2829	/* To map a domain group we need to have a posix group
2830	to attach to. */
2831	result = ldapsam_map_posixgroup(mem_ctx, ldap_state, map);
2832	goto done;
2833	break;
2834
2835	case SID_NAME_ALIAS:
2836	if (!sid_check_is_in_our_domain(&map->sid)
2837	&& !sid_check_is_in_builtin(&map->sid) )
2838	{
2839	DEBUG(3, ("Refusing to map sid %s as an alias, not in our domain\n",
2840	sid_string_static(&map->sid)));
2841	result = NT_STATUS_INVALID_PARAMETER;
2842	goto done;
2843	}
2844	break;
2845
2846	default:
2847	DEBUG(3, ("Got invalid use '%s' for mapping\n",
2848	sid_type_lookup(map->sid_name_use)));
2849	result = NT_STATUS_INVALID_PARAMETER;
2850	goto done;
2851	}
2852
2853	/* Domain groups have been mapped in a separate routine, we have to
2854	* create an alias now */
2855
2856	if (map->gid == -1) {
2857	DEBUG(10, ("Refusing to map gid==-1\n"));
2858	result = NT_STATUS_INVALID_PARAMETER;
2859	goto done;
2860	}
2861
2862	if (pdb_gid_to_sid(map->gid, &sid)) {
2863	DEBUG(3, ("Gid %d is already mapped to SID %s, refusing to "
2864	"add\n", map->gid, sid_string_static(&sid)));
2865	result = NT_STATUS_GROUP_EXISTS;
2866	goto done;
2867	}
2868
2869	/* Ok, enough checks done. It's still racy to go ahead now, but that's
2870	* the best we can get out of LDAP. */
2871
2872	dn = talloc_asprintf(mem_ctx, "sambaSid=%s,%s",
2873	sid_string_static(&map->sid),
2874	lp_ldap_group_suffix());
2875	if (dn == NULL) {
2876	result = NT_STATUS_NO_MEMORY;
2877	goto done;
2878	}
2879
2880	mods = NULL;
2881
2882	smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "objectClass",
2883	"sambaSidEntry");
2884	smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "objectClass",
2885	"sambaGroupMapping");
2886
2887	smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "sambaSid",
2888	sid_string_static(&map->sid));
2889	smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "sambaGroupType",
2890	talloc_asprintf(mem_ctx, "%d", map->sid_name_use));
2891	smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "displayName",
2892	map->nt_name);
2893	smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "description",
2894	map->comment);
2895	smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, NULL, &mods, "gidNumber",
2896	talloc_asprintf(mem_ctx, "%u", map->gid));
2897	talloc_autofree_ldapmod(mem_ctx, mods);
2898
2899	rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
2900
2901	result = (rc == LDAP_SUCCESS) ?
2902	NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
2903
2904	done:
2905	TALLOC_FREE(mem_ctx);
2906	return result;
2907	}
2908
2909	/**********************************************************************
2910	* Update a group mapping entry. We're quite strict about what can be changed:
2911	* Only the description and displayname may be changed. It simply does not
2912	* make any sense to change the SID, gid or the type in a mapping.
2913	*********************************************************************/
2914
2915	static NTSTATUS ldapsam_update_group_mapping_entry(struct pdb_methods *methods,
2916	GROUP_MAP *map)
2917	{
2918	struct ldapsam_privates *ldap_state =
2919	(struct ldapsam_privates *)methods->private_data;
2920	int rc;
2921	const char filter, dn;
2922	LDAPMessage *msg = NULL;
2923	LDAPMessage *entry = NULL;
2924	LDAPMod **mods = NULL;
2925	TALLOC_CTX *mem_ctx;
2926	NTSTATUS result;
2927
2928	mem_ctx = talloc_new(NULL);
2929	if (mem_ctx == NULL) {
2930	DEBUG(0, ("talloc_new failed\n"));
2931	return NT_STATUS_NO_MEMORY;
2932	}
2933
2934	/* Make 100% sure that sid, gid and type are not changed by looking up
2935	* exactly the values we're given in LDAP. */
2936
2937	filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)"
2938	"(sambaSid=%s)(gidNumber=%u)"
2939	"(sambaGroupType=%d))",
2940	LDAP_OBJ_GROUPMAP,
2941	sid_string_static(&map->sid), map->gid,
2942	map->sid_name_use);
2943	if (filter == NULL) {
2944	result = NT_STATUS_NO_MEMORY;
2945	goto done;
2946	}
2947
2948	rc = smbldap_search_suffix(ldap_state->smbldap_state, filter,
2949	get_attr_list(mem_ctx, groupmap_attr_list),
2950	&msg);
2951	talloc_autofree_ldapmsg(mem_ctx, msg);
2952
2953	if ((rc != LDAP_SUCCESS) \|\|
2954	(ldap_count_entries(ldap_state->smbldap_state->ldap_struct, msg) != 1) \|\|
2955	((entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, msg)) == NULL)) {
2956	result = NT_STATUS_NO_SUCH_GROUP;
2957	goto done;
2958	}
2959
2960	dn = smbldap_talloc_dn(mem_ctx, ldap_state->smbldap_state->ldap_struct, entry);
2961
2962	if (dn == NULL) {
2963	result = NT_STATUS_NO_MEMORY;
2964	goto done;
2965	}
2966
2967	mods = NULL;
2968	smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "displayName",
2969	map->nt_name);
2970	smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, entry, &mods, "description",
2971	map->comment);
2972	talloc_autofree_ldapmod(mem_ctx, mods);
2973
2974	if (mods == NULL) {
2975	DEBUG(4, ("ldapsam_update_group_mapping_entry: mods is empty: "
2976	"nothing to do\n"));
2977	result = NT_STATUS_OK;
2978	goto done;
2979	}
2980
2981	rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
2982
2983	if (rc != LDAP_SUCCESS) {
2984	result = NT_STATUS_ACCESS_DENIED;
2985	goto done;
2986	}
2987
2988	DEBUG(2, ("ldapsam_update_group_mapping_entry: successfully modified "
2989	"group %lu in LDAP\n", (unsigned long)map->gid));
2990
2991	result = NT_STATUS_OK;
2992
2993	done:
2994	TALLOC_FREE(mem_ctx);
2995	return result;
2996	}
2997
2998	/**********************************************************************
2999	*********************************************************************/
3000
3001	static NTSTATUS ldapsam_delete_group_mapping_entry(struct pdb_methods *methods,
3002	DOM_SID sid)
3003	{
3004	struct ldapsam_privates *priv =
3005	(struct ldapsam_privates *)methods->private_data;
3006	LDAPMessage msg, entry;
3007	int rc;
3008	NTSTATUS result;
3009	TALLOC_CTX *mem_ctx;
3010	char *filter;
3011
3012	mem_ctx = talloc_new(NULL);
3013	if (mem_ctx == NULL) {
3014	DEBUG(0, ("talloc_new failed\n"));
3015	return NT_STATUS_NO_MEMORY;
3016	}
3017
3018	filter = talloc_asprintf(mem_ctx, "(&(objectClass=%s)(%s=%s))",
3019	LDAP_OBJ_GROUPMAP, LDAP_ATTRIBUTE_SID,
3020	sid_string_static(&sid));
3021	if (filter == NULL) {
3022	result = NT_STATUS_NO_MEMORY;
3023	goto done;
3024	}
3025	rc = smbldap_search_suffix(priv->smbldap_state, filter,
3026	get_attr_list(mem_ctx, groupmap_attr_list),
3027	&msg);
3028	talloc_autofree_ldapmsg(mem_ctx, msg);
3029
3030	if ((rc != LDAP_SUCCESS) \|\|
3031	(ldap_count_entries(priv2ld(priv), msg) != 1) \|\|
3032	((entry = ldap_first_entry(priv2ld(priv), msg)) == NULL)) {
3033	result = NT_STATUS_NO_SUCH_GROUP;
3034	goto done;
3035	}
3036
3037	rc = ldapsam_delete_entry(priv, mem_ctx, entry, LDAP_OBJ_GROUPMAP,
3038	get_attr_list(mem_ctx,
3039	groupmap_attr_list_to_delete));
3040
3041	if ((rc == LDAP_NAMING_VIOLATION) \|\|
3042	(rc == LDAP_OBJECT_CLASS_VIOLATION)) {
3043	const char *attrs[] = { "sambaGroupType", "description",
3044	"displayName", "sambaSIDList",
3045	NULL };
3046
3047	/* Second try. Don't delete the sambaSID attribute, this is
3048	for "old" entries that are tacked on a winbind
3049	sambaIdmapEntry. */
3050
3051	rc = ldapsam_delete_entry(priv, mem_ctx, entry,
3052	LDAP_OBJ_GROUPMAP, attrs);
3053	}
3054
3055	if ((rc == LDAP_NAMING_VIOLATION) \|\|
3056	(rc == LDAP_OBJECT_CLASS_VIOLATION)) {
3057	const char *attrs[] = { "sambaGroupType", "description",
3058	"displayName", "sambaSIDList",
3059	"gidNumber", NULL };
3060
3061	/* Third try. This is a post-3.0.21 alias (containing only
3062	* sambaSidEntry and sambaGroupMapping classes), we also have
3063	* to delete the gidNumber attribute, only the sambaSidEntry
3064	* remains */
3065
3066	rc = ldapsam_delete_entry(priv, mem_ctx, entry,
3067	LDAP_OBJ_GROUPMAP, attrs);
3068	}
3069
3070	result = (rc == LDAP_SUCCESS) ? NT_STATUS_OK : NT_STATUS_UNSUCCESSFUL;
3071
3072	done:
3073	TALLOC_FREE(mem_ctx);
3074	return result;
3075	}
3076
3077	/**********************************************************************
3078	*********************************************************************/
3079
3080	static NTSTATUS ldapsam_setsamgrent(struct pdb_methods *my_methods,
3081	BOOL update)
3082	{
3083	struct ldapsam_privates *ldap_state =
3084	(struct ldapsam_privates *)my_methods->private_data;
3085	fstring filter;
3086	int rc;
3087	const char **attr_list;
3088
3089	pstr_sprintf( filter, "(objectclass=%s)", LDAP_OBJ_GROUPMAP);
3090	attr_list = get_attr_list( NULL, groupmap_attr_list );
3091	rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_group_suffix(),
3092	LDAP_SCOPE_SUBTREE, filter,
3093	attr_list, 0, &ldap_state->result);
3094	TALLOC_FREE(attr_list);
3095
3096	if (rc != LDAP_SUCCESS) {
3097	DEBUG(0, ("ldapsam_setsamgrent: LDAP search failed: %s\n",
3098	ldap_err2string(rc)));
3099	DEBUG(3, ("ldapsam_setsamgrent: Query was: %s, %s\n",
3100	lp_ldap_group_suffix(), filter));
3101	ldap_msgfree(ldap_state->result);
3102	ldap_state->result = NULL;
3103	return NT_STATUS_UNSUCCESSFUL;
3104	}
3105
3106	DEBUG(2, ("ldapsam_setsamgrent: %d entries in the base!\n",
3107	ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3108	ldap_state->result)));
3109
3110	ldap_state->entry =
3111	ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3112	ldap_state->result);
3113	ldap_state->index = 0;
3114
3115	return NT_STATUS_OK;
3116	}
3117
3118	/**********************************************************************
3119	*********************************************************************/
3120
3121	static void ldapsam_endsamgrent(struct pdb_methods *my_methods)
3122	{
3123	ldapsam_endsampwent(my_methods);
3124	}
3125
3126	/**********************************************************************
3127	*********************************************************************/
3128
3129	static NTSTATUS ldapsam_getsamgrent(struct pdb_methods *my_methods,
3130	GROUP_MAP *map)
3131	{
3132	NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
3133	struct ldapsam_privates *ldap_state =
3134	(struct ldapsam_privates *)my_methods->private_data;
3135	BOOL bret = False;
3136
3137	while (!bret) {
3138	if (!ldap_state->entry)
3139	return ret;
3140
3141	ldap_state->index++;
3142	bret = init_group_from_ldap(ldap_state, map,
3143	ldap_state->entry);
3144
3145	ldap_state->entry =
3146	ldap_next_entry(ldap_state->smbldap_state->ldap_struct,
3147	ldap_state->entry);
3148	}
3149
3150	return NT_STATUS_OK;
3151	}
3152
3153	/**********************************************************************
3154	*********************************************************************/
3155
3156	static NTSTATUS ldapsam_enum_group_mapping(struct pdb_methods *methods,
3157	const DOM_SID *domsid, enum lsa_SidType sid_name_use,
3158	GROUP_MAP **pp_rmap,
3159	size_t *p_num_entries,
3160	BOOL unix_only)
3161	{
3162	GROUP_MAP map;
3163	size_t entries = 0;
3164
3165	*p_num_entries = 0;
3166	*pp_rmap = NULL;
3167
3168	if (!NT_STATUS_IS_OK(ldapsam_setsamgrent(methods, False))) {
3169	DEBUG(0, ("ldapsam_enum_group_mapping: Unable to open "
3170	"passdb\n"));
3171	return NT_STATUS_ACCESS_DENIED;
3172	}
3173
3174	while (NT_STATUS_IS_OK(ldapsam_getsamgrent(methods, &map))) {
3175	if (sid_name_use != SID_NAME_UNKNOWN &&
3176	sid_name_use != map.sid_name_use) {
3177	DEBUG(11,("ldapsam_enum_group_mapping: group %s is "
3178	"not of the requested type\n", map.nt_name));
3179	continue;
3180	}
3181	if (unix_only==ENUM_ONLY_MAPPED && map.gid==-1) {
3182	DEBUG(11,("ldapsam_enum_group_mapping: group %s is "
3183	"non mapped\n", map.nt_name));
3184	continue;
3185	}
3186
3187	(pp_rmap)=SMB_REALLOC_ARRAY((pp_rmap), GROUP_MAP, entries+1);
3188	if (!(*pp_rmap)) {
3189	DEBUG(0,("ldapsam_enum_group_mapping: Unable to "
3190	"enlarge group map!\n"));
3191	return NT_STATUS_UNSUCCESSFUL;
3192	}
3193
3194	(*pp_rmap)[entries] = map;
3195
3196	entries += 1;
3197
3198	}
3199	ldapsam_endsamgrent(methods);
3200
3201	*p_num_entries = entries;
3202
3203	return NT_STATUS_OK;
3204	}
3205
3206	static NTSTATUS ldapsam_modify_aliasmem(struct pdb_methods *methods,
3207	const DOM_SID *alias,
3208	const DOM_SID *member,
3209	int modop)
3210	{
3211	struct ldapsam_privates *ldap_state =
3212	(struct ldapsam_privates *)methods->private_data;
3213	char *dn;
3214	LDAPMessage *result = NULL;
3215	LDAPMessage *entry = NULL;
3216	int count;
3217	LDAPMod **mods = NULL;
3218	int rc;
3219	enum lsa_SidType type = SID_NAME_USE_NONE;
3220
3221	pstring filter;
3222
3223	if (sid_check_is_in_builtin(alias)) {
3224	type = SID_NAME_ALIAS;
3225	}
3226
3227	if (sid_check_is_in_our_domain(alias)) {
3228	type = SID_NAME_ALIAS;
3229	}
3230
3231	if (type == SID_NAME_USE_NONE) {
3232	DEBUG(5, ("SID %s is neither in builtin nor in our domain!\n",
3233	sid_string_static(alias)));
3234	return NT_STATUS_NO_SUCH_ALIAS;
3235	}
3236
3237	pstr_sprintf(filter,
3238	"(&(objectClass=%s)(sambaSid=%s)(sambaGroupType=%d))",
3239	LDAP_OBJ_GROUPMAP, sid_string_static(alias),
3240	type);
3241
3242	if (ldapsam_search_one_group(ldap_state, filter,
3243	&result) != LDAP_SUCCESS)
3244	return NT_STATUS_NO_SUCH_ALIAS;
3245
3246	count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3247	result);
3248
3249	if (count < 1) {
3250	DEBUG(4, ("ldapsam_modify_aliasmem: Did not find alias\n"));
3251	ldap_msgfree(result);
3252	return NT_STATUS_NO_SUCH_ALIAS;
3253	}
3254
3255	if (count > 1) {
3256	DEBUG(1, ("ldapsam_modify_aliasmem: Duplicate entries for "
3257	"filter %s: count=%d\n", filter, count));
3258	ldap_msgfree(result);
3259	return NT_STATUS_NO_SUCH_ALIAS;
3260	}
3261
3262	entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3263	result);
3264
3265	if (!entry) {
3266	ldap_msgfree(result);
3267	return NT_STATUS_UNSUCCESSFUL;
3268	}
3269
3270	dn = smbldap_get_dn(ldap_state->smbldap_state->ldap_struct, entry);
3271	if (!dn) {
3272	ldap_msgfree(result);
3273	return NT_STATUS_UNSUCCESSFUL;
3274	}
3275
3276	smbldap_set_mod(&mods, modop,
3277	get_attr_key2string(groupmap_attr_list,
3278	LDAP_ATTR_SID_LIST),
3279	sid_string_static(member));
3280
3281	rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
3282
3283	ldap_mods_free(mods, True);
3284	ldap_msgfree(result);
3285	SAFE_FREE(dn);
3286
3287	if (rc == LDAP_TYPE_OR_VALUE_EXISTS) {
3288	return NT_STATUS_MEMBER_IN_ALIAS;
3289	}
3290
3291	if (rc == LDAP_NO_SUCH_ATTRIBUTE) {
3292	return NT_STATUS_MEMBER_NOT_IN_ALIAS;
3293	}
3294
3295	if (rc != LDAP_SUCCESS) {
3296	return NT_STATUS_UNSUCCESSFUL;
3297	}
3298
3299	return NT_STATUS_OK;
3300	}
3301
3302	static NTSTATUS ldapsam_add_aliasmem(struct pdb_methods *methods,
3303	const DOM_SID *alias,
3304	const DOM_SID *member)
3305	{
3306	return ldapsam_modify_aliasmem(methods, alias, member, LDAP_MOD_ADD);
3307	}
3308
3309	static NTSTATUS ldapsam_del_aliasmem(struct pdb_methods *methods,
3310	const DOM_SID *alias,
3311	const DOM_SID *member)
3312	{
3313	return ldapsam_modify_aliasmem(methods, alias, member,
3314	LDAP_MOD_DELETE);
3315	}
3316
3317	static NTSTATUS ldapsam_enum_aliasmem(struct pdb_methods *methods,
3318	const DOM_SID *alias,
3319	DOM_SID **pp_members,
3320	size_t *p_num_members)
3321	{
3322	struct ldapsam_privates *ldap_state =
3323	(struct ldapsam_privates *)methods->private_data;
3324	LDAPMessage *result = NULL;
3325	LDAPMessage *entry = NULL;
3326	int count;
3327	char **values;
3328	int i;
3329	pstring filter;
3330	size_t num_members = 0;
3331	enum lsa_SidType type = SID_NAME_USE_NONE;
3332
3333	*pp_members = NULL;
3334	*p_num_members = 0;
3335
3336	if (sid_check_is_in_builtin(alias)) {
3337	type = SID_NAME_ALIAS;
3338	}
3339
3340	if (sid_check_is_in_our_domain(alias)) {
3341	type = SID_NAME_ALIAS;
3342	}
3343
3344	if (type == SID_NAME_USE_NONE) {
3345	DEBUG(5, ("SID %s is neither in builtin nor in our domain!\n",
3346	sid_string_static(alias)));
3347	return NT_STATUS_NO_SUCH_ALIAS;
3348	}
3349
3350	pstr_sprintf(filter,
3351	"(&(objectClass=%s)(sambaSid=%s)(sambaGroupType=%d))",
3352	LDAP_OBJ_GROUPMAP, sid_string_static(alias),
3353	type);
3354
3355	if (ldapsam_search_one_group(ldap_state, filter,
3356	&result) != LDAP_SUCCESS)
3357	return NT_STATUS_NO_SUCH_ALIAS;
3358
3359	count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
3360	result);
3361
3362	if (count < 1) {
3363	DEBUG(4, ("ldapsam_enum_aliasmem: Did not find alias\n"));
3364	ldap_msgfree(result);
3365	return NT_STATUS_NO_SUCH_ALIAS;
3366	}
3367
3368	if (count > 1) {
3369	DEBUG(1, ("ldapsam_enum_aliasmem: Duplicate entries for "
3370	"filter %s: count=%d\n", filter, count));
3371	ldap_msgfree(result);
3372	return NT_STATUS_NO_SUCH_ALIAS;
3373	}
3374
3375	entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
3376	result);
3377
3378	if (!entry) {
3379	ldap_msgfree(result);
3380	return NT_STATUS_UNSUCCESSFUL;
3381	}
3382
3383	values = ldap_get_values(ldap_state->smbldap_state->ldap_struct,
3384	entry,
3385	get_attr_key2string(groupmap_attr_list,
3386	LDAP_ATTR_SID_LIST));
3387
3388	if (values == NULL) {
3389	ldap_msgfree(result);
3390	return NT_STATUS_OK;
3391	}
3392
3393	count = ldap_count_values(values);
3394
3395	for (i=0; i<count; i++) {
3396	DOM_SID member;
3397
3398	if (!string_to_sid(&member, values[i]))
3399	continue;
3400
3401	if (!add_sid_to_array(NULL, &member, pp_members, &num_members)) {
3402	ldap_value_free(values);
3403	ldap_msgfree(result);
3404	return NT_STATUS_NO_MEMORY;
3405	}
3406	}
3407
3408	*p_num_members = num_members;
3409	ldap_value_free(values);
3410	ldap_msgfree(result);
3411
3412	return NT_STATUS_OK;
3413	}
3414
3415	static NTSTATUS ldapsam_alias_memberships(struct pdb_methods *methods,
3416	TALLOC_CTX *mem_ctx,
3417	const DOM_SID *domain_sid,
3418	const DOM_SID *members,
3419	size_t num_members,
3420	uint32 **pp_alias_rids,
3421	size_t *p_num_alias_rids)
3422	{
3423	struct ldapsam_privates *ldap_state =
3424	(struct ldapsam_privates *)methods->private_data;
3425	LDAP *ldap_struct;
3426
3427	const char *attrs[] = { LDAP_ATTRIBUTE_SID, NULL };
3428
3429	LDAPMessage *result = NULL;
3430	LDAPMessage *entry = NULL;
3431	int i;
3432	int rc;
3433	char *filter;
3434	enum lsa_SidType type = SID_NAME_USE_NONE;
3435
3436	if (sid_check_is_builtin(domain_sid)) {
3437	type = SID_NAME_ALIAS;
3438	}
3439
3440	if (sid_check_is_domain(domain_sid)) {
3441	type = SID_NAME_ALIAS;
3442	}
3443
3444	if (type == SID_NAME_USE_NONE) {
3445	DEBUG(5, ("SID %s is neither builtin nor domain!\n",
3446	sid_string_static(domain_sid)));
3447	return NT_STATUS_UNSUCCESSFUL;
3448	}
3449
3450	filter = talloc_asprintf(mem_ctx,
3451	"(&(\|(objectclass=%s)(sambaGroupType=%d))(\|",
3452	LDAP_OBJ_GROUPMAP, type);
3453
3454	for (i=0; i<num_members; i++)
3455	filter = talloc_asprintf(mem_ctx, "%s(sambaSIDList=%s)",
3456	filter,
3457	sid_string_static(&members[i]));
3458
3459	filter = talloc_asprintf(mem_ctx, "%s))", filter);
3460
3461	if (filter == NULL) {
3462	return NT_STATUS_NO_MEMORY;
3463	}
3464
3465	rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_group_suffix(),
3466	LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
3467
3468	if (rc != LDAP_SUCCESS)
3469	return NT_STATUS_UNSUCCESSFUL;
3470
3471	ldap_struct = ldap_state->smbldap_state->ldap_struct;
3472
3473	for (entry = ldap_first_entry(ldap_struct, result);
3474	entry != NULL;
3475	entry = ldap_next_entry(ldap_struct, entry))
3476	{
3477	fstring sid_str;
3478	DOM_SID sid;
3479	uint32 rid;
3480
3481	if (!smbldap_get_single_attribute(ldap_struct, entry,
3482	LDAP_ATTRIBUTE_SID,
3483	sid_str,
3484	sizeof(sid_str)-1))
3485	continue;
3486
3487	if (!string_to_sid(&sid, sid_str))
3488	continue;
3489
3490	if (!sid_peek_check_rid(domain_sid, &sid, &rid))
3491	continue;
3492
3493	if (!add_rid_to_array_unique(mem_ctx, rid, pp_alias_rids,
3494	p_num_alias_rids)) {
3495	ldap_msgfree(result);
3496	return NT_STATUS_NO_MEMORY;
3497	}
3498	}
3499
3500	ldap_msgfree(result);
3501	return NT_STATUS_OK;
3502	}
3503
3504	static NTSTATUS ldapsam_set_account_policy_in_ldap(struct pdb_methods *methods,
3505	int policy_index,
3506	uint32 value)
3507	{
3508	NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3509	int rc;
3510	LDAPMod **mods = NULL;
3511	fstring value_string;
3512	const char *policy_attr = NULL;
3513
3514	struct ldapsam_privates *ldap_state =
3515	(struct ldapsam_privates *)methods->private_data;
3516
3517	DEBUG(10,("ldapsam_set_account_policy_in_ldap\n"));
3518
3519	if (!ldap_state->domain_dn) {
3520	return NT_STATUS_INVALID_PARAMETER;
3521	}
3522
3523	policy_attr = get_account_policy_attr(policy_index);
3524	if (policy_attr == NULL) {
3525	DEBUG(0,("ldapsam_set_account_policy_in_ldap: invalid "
3526	"policy\n"));
3527	return ntstatus;
3528	}
3529
3530	slprintf(value_string, sizeof(value_string) - 1, "%i", value);
3531
3532	smbldap_set_mod(&mods, LDAP_MOD_REPLACE, policy_attr, value_string);
3533
3534	rc = smbldap_modify(ldap_state->smbldap_state, ldap_state->domain_dn,
3535	mods);
3536
3537	ldap_mods_free(mods, True);
3538
3539	if (rc != LDAP_SUCCESS) {
3540	return ntstatus;
3541	}
3542
3543	if (!cache_account_policy_set(policy_index, value)) {
3544	DEBUG(0,("ldapsam_set_account_policy_in_ldap: failed to "
3545	"update local tdb cache\n"));
3546	return ntstatus;
3547	}
3548
3549	return NT_STATUS_OK;
3550	}
3551
3552	static NTSTATUS ldapsam_set_account_policy(struct pdb_methods *methods,
3553	int policy_index, uint32 value)
3554	{
3555	return ldapsam_set_account_policy_in_ldap(methods, policy_index,
3556	value);
3557	}
3558
3559	static NTSTATUS ldapsam_get_account_policy_from_ldap(struct pdb_methods *methods,
3560	int policy_index,
3561	uint32 *value)
3562	{
3563	NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3564	LDAPMessage *result = NULL;
3565	LDAPMessage *entry = NULL;
3566	int count;
3567	int rc;
3568	char **vals = NULL;
3569	const char *policy_attr = NULL;
3570
3571	struct ldapsam_privates *ldap_state =
3572	(struct ldapsam_privates *)methods->private_data;
3573
3574	const char *attrs[2];
3575
3576	DEBUG(10,("ldapsam_get_account_policy_from_ldap\n"));
3577
3578	if (!ldap_state->domain_dn) {
3579	return NT_STATUS_INVALID_PARAMETER;
3580	}
3581
3582	policy_attr = get_account_policy_attr(policy_index);
3583	if (!policy_attr) {
3584	DEBUG(0,("ldapsam_get_account_policy_from_ldap: invalid "
3585	"policy index: %d\n", policy_index));
3586	return ntstatus;
3587	}
3588
3589	attrs[0] = policy_attr;
3590	attrs[1] = NULL;
3591
3592	rc = smbldap_search(ldap_state->smbldap_state, ldap_state->domain_dn,
3593	LDAP_SCOPE_BASE, "(objectclass=*)", attrs, 0,
3594	&result);
3595
3596	if (rc != LDAP_SUCCESS) {
3597	return ntstatus;
3598	}
3599
3600	count = ldap_count_entries(priv2ld(ldap_state), result);
3601	if (count < 1) {
3602	goto out;
3603	}
3604
3605	entry = ldap_first_entry(priv2ld(ldap_state), result);
3606	if (entry == NULL) {
3607	goto out;
3608	}
3609
3610	vals = ldap_get_values(priv2ld(ldap_state), entry, policy_attr);
3611	if (vals == NULL) {
3612	goto out;
3613	}
3614
3615	*value = (uint32)atol(vals[0]);
3616
3617	ntstatus = NT_STATUS_OK;
3618
3619	out:
3620	if (vals)
3621	ldap_value_free(vals);
3622	ldap_msgfree(result);
3623
3624	return ntstatus;
3625	}
3626
3627	/* wrapper around ldapsam_get_account_policy_from_ldap(), handles tdb as cache
3628
3629	- if user hasn't decided to use account policies inside LDAP just reuse the
3630	old tdb values
3631
3632	- if there is a valid cache entry, return that
3633	- if there is an LDAP entry, update cache and return
3634	- otherwise set to default, update cache and return
3635
3636	Guenther
3637	*/
3638	static NTSTATUS ldapsam_get_account_policy(struct pdb_methods *methods,
3639	int policy_index, uint32 *value)
3640	{
3641	NTSTATUS ntstatus = NT_STATUS_UNSUCCESSFUL;
3642
3643	if (cache_account_policy_get(policy_index, value)) {
3644	DEBUG(11,("ldapsam_get_account_policy: got valid value from "
3645	"cache\n"));
3646	return NT_STATUS_OK;
3647	}
3648
3649	ntstatus = ldapsam_get_account_policy_from_ldap(methods, policy_index,
3650	value);
3651	if (NT_STATUS_IS_OK(ntstatus)) {
3652	goto update_cache;
3653	}
3654
3655	DEBUG(10,("ldapsam_get_account_policy: failed to retrieve from "
3656	"ldap\n"));
3657
3658	#if 0
3659	/* should we automagically migrate old tdb value here ? */
3660	if (account_policy_get(policy_index, value))
3661	goto update_ldap;
3662
3663	DEBUG(10,("ldapsam_get_account_policy: no tdb for %d, trying "
3664	"default\n", policy_index));
3665	#endif
3666
3667	if (!account_policy_get_default(policy_index, value)) {
3668	return ntstatus;
3669	}
3670
3671	/* update_ldap: */
3672
3673	ntstatus = ldapsam_set_account_policy(methods, policy_index, *value);
3674	if (!NT_STATUS_IS_OK(ntstatus)) {
3675	return ntstatus;
3676	}
3677
3678	update_cache:
3679
3680	if (!cache_account_policy_set(policy_index, *value)) {
3681	DEBUG(0,("ldapsam_get_account_policy: failed to update local "
3682	"tdb as a cache\n"));
3683	return NT_STATUS_UNSUCCESSFUL;
3684	}
3685
3686	return NT_STATUS_OK;
3687	}
3688
3689	static NTSTATUS ldapsam_lookup_rids(struct pdb_methods *methods,
3690	const DOM_SID *domain_sid,
3691	int num_rids,
3692	uint32 *rids,
3693	const char **names,
3694	enum lsa_SidType *attrs)
3695	{
3696	struct ldapsam_privates *ldap_state =
3697	(struct ldapsam_privates *)methods->private_data;
3698	LDAPMessage *msg = NULL;
3699	LDAPMessage *entry;
3700	char *allsids = NULL;
3701	int i, rc, num_mapped;
3702	NTSTATUS result = NT_STATUS_NO_MEMORY;
3703	TALLOC_CTX *mem_ctx;
3704	LDAP *ld;
3705	BOOL is_builtin;
3706
3707	mem_ctx = talloc_new(NULL);
3708	if (mem_ctx == NULL) {
3709	DEBUG(0, ("talloc_new failed\n"));
3710	goto done;
3711	}
3712
3713	if (!sid_check_is_builtin(domain_sid) &&
3714	!sid_check_is_domain(domain_sid)) {
3715	result = NT_STATUS_INVALID_PARAMETER;
3716	goto done;
3717	}
3718
3719	for (i=0; i<num_rids; i++)
3720	attrs[i] = SID_NAME_UNKNOWN;
3721
3722	allsids = talloc_strdup(mem_ctx, "");
3723	if (allsids == NULL) {
3724	goto done;
3725	}
3726
3727	for (i=0; i<num_rids; i++) {
3728	DOM_SID sid;
3729	sid_compose(&sid, domain_sid, rids[i]);
3730	allsids = talloc_asprintf_append(allsids, "(sambaSid=%s)",
3731	sid_string_static(&sid));
3732	if (allsids == NULL) {
3733	goto done;
3734	}
3735	}
3736
3737	/* First look for users */
3738
3739	{
3740	char *filter;
3741	const char *ldap_attrs[] = { "uid", "sambaSid", NULL };
3742
3743	filter = talloc_asprintf(
3744	mem_ctx, ("(&(objectClass=%s)(\|%s))"),
3745	LDAP_OBJ_SAMBASAMACCOUNT, allsids);
3746
3747	if (filter == NULL) {
3748	goto done;
3749	}
3750
3751	rc = smbldap_search(ldap_state->smbldap_state,
3752	lp_ldap_user_suffix(),
3753	LDAP_SCOPE_SUBTREE, filter, ldap_attrs, 0,
3754	&msg);
3755	talloc_autofree_ldapmsg(mem_ctx, msg);
3756	}
3757
3758	if (rc != LDAP_SUCCESS)
3759	goto done;
3760
3761	ld = ldap_state->smbldap_state->ldap_struct;
3762	num_mapped = 0;
3763
3764	for (entry = ldap_first_entry(ld, msg);
3765	entry != NULL;
3766	entry = ldap_next_entry(ld, entry)) {
3767	uint32 rid;
3768	int rid_index;
3769	const char *name;
3770
3771	if (!ldapsam_extract_rid_from_entry(ld, entry, domain_sid,
3772	&rid)) {
3773	DEBUG(2, ("Could not find sid from ldap entry\n"));
3774	continue;
3775	}
3776
3777	name = smbldap_talloc_single_attribute(ld, entry, "uid",
3778	names);
3779	if (name == NULL) {
3780	DEBUG(2, ("Could not retrieve uid attribute\n"));
3781	continue;
3782	}
3783
3784	for (rid_index = 0; rid_index < num_rids; rid_index++) {
3785	if (rid == rids[rid_index])
3786	break;
3787	}
3788
3789	if (rid_index == num_rids) {
3790	DEBUG(2, ("Got a RID not asked for: %d\n", rid));
3791	continue;
3792	}
3793
3794	attrs[rid_index] = SID_NAME_USER;
3795	names[rid_index] = name;
3796	num_mapped += 1;
3797	}
3798
3799	if (num_mapped == num_rids) {
3800	/* No need to look for groups anymore -- we're done */
3801	result = NT_STATUS_OK;
3802	goto done;
3803	}
3804
3805	/* Same game for groups */
3806
3807	{
3808	char *filter;
3809	const char *ldap_attrs[] = { "cn", "displayName", "sambaSid",
3810	"sambaGroupType", NULL };
3811
3812	filter = talloc_asprintf(
3813	mem_ctx, "(&(objectClass=%s)(\|%s))",
3814	LDAP_OBJ_GROUPMAP, allsids);
3815	if (filter == NULL) {
3816	goto done;
3817	}
3818
3819	rc = smbldap_search(ldap_state->smbldap_state,
3820	lp_ldap_group_suffix(),
3821	LDAP_SCOPE_SUBTREE, filter, ldap_attrs, 0,
3822	&msg);
3823	talloc_autofree_ldapmsg(mem_ctx, msg);
3824	}
3825
3826	if (rc != LDAP_SUCCESS)
3827	goto done;
3828
3829	/* ldap_struct might have changed due to a reconnect */
3830
3831	ld = ldap_state->smbldap_state->ldap_struct;
3832
3833	/* For consistency checks, we already checked we're only domain or builtin */
3834
3835	is_builtin = sid_check_is_builtin(domain_sid);
3836
3837	for (entry = ldap_first_entry(ld, msg);
3838	entry != NULL;
3839	entry = ldap_next_entry(ld, entry))
3840	{
3841	uint32 rid;
3842	int rid_index;
3843	const char *attr;
3844	enum lsa_SidType type;
3845	const char *dn = smbldap_talloc_dn(mem_ctx, ld, entry);
3846
3847	attr = smbldap_talloc_single_attribute(ld, entry, "sambaGroupType",
3848	mem_ctx);
3849	if (attr == NULL) {
3850	DEBUG(2, ("Could not extract type from ldap entry %s\n",
3851	dn));
3852	continue;
3853	}
3854
3855	type = (enum lsa_SidType)atol(attr);
3856
3857	/* Consistency checks */
3858	if ((is_builtin && (type != SID_NAME_ALIAS)) \|\|
3859	(!is_builtin && ((type != SID_NAME_ALIAS) &&
3860	(type != SID_NAME_DOM_GRP)))) {
3861	DEBUG(2, ("Rejecting invalid group mapping entry %s\n", dn));
3862	}
3863
3864	if (!ldapsam_extract_rid_from_entry(ld, entry, domain_sid,
3865	&rid)) {
3866	DEBUG(2, ("Could not find sid from ldap entry %s\n", dn));
3867	continue;
3868	}
3869
3870	attr = smbldap_talloc_single_attribute(ld, entry, "displayName", names);
3871
3872	if (attr == NULL) {
3873	DEBUG(10, ("Could not retrieve 'displayName' attribute from %s\n",
3874	dn));
3875	attr = smbldap_talloc_single_attribute(ld, entry, "cn", names);
3876	}
3877
3878	if (attr == NULL) {
3879	DEBUG(2, ("Could not retrieve naming attribute from %s\n",
3880	dn));
3881	continue;
3882	}
3883
3884	for (rid_index = 0; rid_index < num_rids; rid_index++) {
3885	if (rid == rids[rid_index])
3886	break;
3887	}
3888
3889	if (rid_index == num_rids) {
3890	DEBUG(2, ("Got a RID not asked for: %d\n", rid));
3891	continue;
3892	}
3893
3894	attrs[rid_index] = type;
3895	names[rid_index] = attr;
3896	num_mapped += 1;
3897	}
3898
3899	result = NT_STATUS_NONE_MAPPED;
3900
3901	if (num_mapped > 0)
3902	result = (num_mapped == num_rids) ?
3903	NT_STATUS_OK : STATUS_SOME_UNMAPPED;
3904	done:
3905	TALLOC_FREE(mem_ctx);
3906	return result;
3907	}
3908
3909	static char get_ldap_filter(TALLOC_CTX mem_ctx, const char *username)
3910	{
3911	char *filter = NULL;
3912	char *escaped = NULL;
3913	char *result = NULL;
3914
3915	asprintf(&filter, "(&%s(objectclass=sambaSamAccount))",
3916	"(uid=%u)");
3917	if (filter == NULL) goto done;
3918
3919	escaped = escape_ldap_string_alloc(username);
3920	if (escaped == NULL) goto done;
3921
3922	result = talloc_string_sub(mem_ctx, filter, "%u", username);
3923
3924	done:
3925	SAFE_FREE(filter);
3926	SAFE_FREE(escaped);
3927
3928	return result;
3929	}
3930
3931	const char *talloc_attrs(TALLOC_CTX mem_ctx, ...)
3932	{
3933	int i, num = 0;
3934	va_list ap;
3935	const char **result;
3936
3937	va_start(ap, mem_ctx);
3938	while (va_arg(ap, const char *) != NULL)
3939	num += 1;
3940	va_end(ap);
3941
3942	if ((result = TALLOC_ARRAY(mem_ctx, const char *, num+1)) == NULL) {
3943	return NULL;
3944	}
3945
3946	va_start(ap, mem_ctx);
3947	for (i=0; i<num; i++) {
3948	result[i] = talloc_strdup(result, va_arg(ap, const char*));
3949	if (result[i] == NULL) {
3950	talloc_free(result);
3951	return NULL;
3952	}
3953	}
3954	va_end(ap);
3955
3956	result[num] = NULL;
3957	return result;
3958	}
3959
3960	struct ldap_search_state {
3961	struct smbldap_state *connection;
3962
3963	uint32 acct_flags;
3964	uint16 group_type;
3965
3966	const char *base;
3967	int scope;
3968	const char *filter;
3969	const char **attrs;
3970	int attrsonly;
3971	void *pagedresults_cookie;
3972
3973	LDAPMessage entries, current_entry;
3974	BOOL (ldap2displayentry)(struct ldap_search_state state,
3975	TALLOC_CTX *mem_ctx,
3976	LDAP ld, LDAPMessage entry,
3977	struct samr_displayentry *result);
3978	};
3979
3980	static BOOL ldapsam_search_firstpage(struct pdb_search *search)
3981	{
3982	struct ldap_search_state *state =
3983	(struct ldap_search_state *)search->private_data;
3984	LDAP *ld;
3985	int rc = LDAP_OPERATIONS_ERROR;
3986
3987	state->entries = NULL;
3988
3989	if (state->connection->paged_results) {
3990	rc = smbldap_search_paged(state->connection, state->base,
3991	state->scope, state->filter,
3992	state->attrs, state->attrsonly,
3993	lp_ldap_page_size(), &state->entries,
3994	&state->pagedresults_cookie);
3995	}
3996
3997	if ((rc != LDAP_SUCCESS) \|\| (state->entries == NULL)) {
3998
3999	if (state->entries != NULL) {
4000	/* Left over from unsuccessful paged attempt */
4001	ldap_msgfree(state->entries);
4002	state->entries = NULL;
4003	}
4004
4005	rc = smbldap_search(state->connection, state->base,
4006	state->scope, state->filter, state->attrs,
4007	state->attrsonly, &state->entries);
4008
4009	if ((rc != LDAP_SUCCESS) \|\| (state->entries == NULL))
4010	return False;
4011
4012	/* Ok, the server was lying. It told us it could do paged
4013	* searches when it could not. */
4014	state->connection->paged_results = False;
4015	}
4016
4017	ld = state->connection->ldap_struct;
4018	if ( ld == NULL) {
4019	DEBUG(5, ("Don't have an LDAP connection right after a "
4020	"search\n"));
4021	return False;
4022	}
4023	state->current_entry = ldap_first_entry(ld, state->entries);
4024
4025	if (state->current_entry == NULL) {
4026	ldap_msgfree(state->entries);
4027	state->entries = NULL;
4028	}
4029
4030	return True;
4031	}
4032
4033	static BOOL ldapsam_search_nextpage(struct pdb_search *search)
4034	{
4035	struct ldap_search_state *state =
4036	(struct ldap_search_state *)search->private_data;
4037	int rc;
4038
4039	if (!state->connection->paged_results) {
4040	/* There is no next page when there are no paged results */
4041	return False;
4042	}
4043
4044	rc = smbldap_search_paged(state->connection, state->base,
4045	state->scope, state->filter, state->attrs,
4046	state->attrsonly, lp_ldap_page_size(),
4047	&state->entries,
4048	&state->pagedresults_cookie);
4049
4050	if ((rc != LDAP_SUCCESS) \|\| (state->entries == NULL))
4051	return False;
4052
4053	state->current_entry = ldap_first_entry(state->connection->ldap_struct, state->entries);
4054
4055	if (state->current_entry == NULL) {
4056	ldap_msgfree(state->entries);
4057	state->entries = NULL;
4058	}
4059
4060	return True;
4061	}
4062
4063	static BOOL ldapsam_search_next_entry(struct pdb_search *search,
4064	struct samr_displayentry *entry)
4065	{
4066	struct ldap_search_state *state =
4067	(struct ldap_search_state *)search->private_data;
4068	BOOL result;
4069
4070	retry:
4071	if ((state->entries == NULL) && (state->pagedresults_cookie == NULL))
4072	return False;
4073
4074	if ((state->entries == NULL) &&
4075	!ldapsam_search_nextpage(search))
4076	return False;
4077
4078	result = state->ldap2displayentry(state, search->mem_ctx, state->connection->ldap_struct,
4079	state->current_entry, entry);
4080
4081	if (!result) {
4082	char *dn;
4083	dn = ldap_get_dn(state->connection->ldap_struct, state->current_entry);
4084	DEBUG(5, ("Skipping entry %s\n", dn != NULL ? dn : "<NULL>"));
4085	if (dn != NULL) ldap_memfree(dn);
4086	}
4087
4088	state->current_entry = ldap_next_entry(state->connection->ldap_struct, state->current_entry);
4089
4090	if (state->current_entry == NULL) {
4091	ldap_msgfree(state->entries);
4092	state->entries = NULL;
4093	}
4094
4095	if (!result) goto retry;
4096
4097	return True;
4098	}
4099
4100	static void ldapsam_search_end(struct pdb_search *search)
4101	{
4102	struct ldap_search_state *state =
4103	(struct ldap_search_state *)search->private_data;
4104	int rc;
4105
4106	if (state->pagedresults_cookie == NULL)
4107	return;
4108
4109	if (state->entries != NULL)
4110	ldap_msgfree(state->entries);
4111
4112	state->entries = NULL;
4113	state->current_entry = NULL;
4114
4115	if (!state->connection->paged_results)
4116	return;
4117
4118	/* Tell the LDAP server we're not interested in the rest anymore. */
4119
4120	rc = smbldap_search_paged(state->connection, state->base, state->scope,
4121	state->filter, state->attrs,
4122	state->attrsonly, 0, &state->entries,
4123	&state->pagedresults_cookie);
4124
4125	if (rc != LDAP_SUCCESS)
4126	DEBUG(5, ("Could not end search properly\n"));
4127
4128	return;
4129	}
4130
4131	static BOOL ldapuser2displayentry(struct ldap_search_state *state,
4132	TALLOC_CTX *mem_ctx,
4133	LDAP ld, LDAPMessage entry,
4134	struct samr_displayentry *result)
4135	{
4136	char **vals;
4137	DOM_SID sid;
4138	uint32 acct_flags;
4139
4140	vals = ldap_get_values(ld, entry, "sambaAcctFlags");
4141	if ((vals == NULL) \|\| (vals[0] == NULL)) {
4142	DEBUG(5, ("\"sambaAcctFlags\" not found\n"));
4143	return False;
4144	}
4145	acct_flags = pdb_decode_acct_ctrl(vals[0]);
4146	ldap_value_free(vals);
4147
4148	if ((state->acct_flags != 0) &&
4149	((state->acct_flags & acct_flags) == 0))
4150	return False;
4151
4152	result->acct_flags = acct_flags;
4153	result->account_name = "";
4154	result->fullname = "";
4155	result->description = "";
4156
4157	vals = ldap_get_values(ld, entry, "uid");
4158	if ((vals == NULL) \|\| (vals[0] == NULL)) {
4159	DEBUG(5, ("\"uid\" not found\n"));
4160	return False;
4161	}
4162	pull_utf8_talloc(mem_ctx,
4163	CONST_DISCARD(char **, &result->account_name),
4164	vals[0]);
4165	ldap_value_free(vals);
4166
4167	vals = ldap_get_values(ld, entry, "displayName");
4168	if ((vals == NULL) \|\| (vals[0] == NULL))
4169	DEBUG(8, ("\"displayName\" not found\n"));
4170	else
4171	pull_utf8_talloc(mem_ctx,
4172	CONST_DISCARD(char **, &result->fullname),
4173	vals[0]);
4174	ldap_value_free(vals);
4175
4176	vals = ldap_get_values(ld, entry, "description");
4177	if ((vals == NULL) \|\| (vals[0] == NULL))
4178	DEBUG(8, ("\"description\" not found\n"));
4179	else
4180	pull_utf8_talloc(mem_ctx,
4181	CONST_DISCARD(char **, &result->description),
4182	vals[0]);
4183	ldap_value_free(vals);
4184
4185	if ((result->account_name == NULL) \|\|
4186	(result->fullname == NULL) \|\|
4187	(result->description == NULL)) {
4188	DEBUG(0, ("talloc failed\n"));
4189	return False;
4190	}
4191
4192	vals = ldap_get_values(ld, entry, "sambaSid");
4193	if ((vals == NULL) \|\| (vals[0] == NULL)) {
4194	DEBUG(0, ("\"objectSid\" not found\n"));
4195	return False;
4196	}
4197
4198	if (!string_to_sid(&sid, vals[0])) {
4199	DEBUG(0, ("Could not convert %s to SID\n", vals[0]));
4200	ldap_value_free(vals);
4201	return False;
4202	}
4203	ldap_value_free(vals);
4204
4205	if (!sid_peek_check_rid(get_global_sam_sid(), &sid, &result->rid)) {
4206	DEBUG(0, ("sid %s does not belong to our domain\n",
4207	sid_string_static(&sid)));
4208	return False;
4209	}
4210
4211	return True;
4212	}
4213
4214
4215	static BOOL ldapsam_search_users(struct pdb_methods *methods,
4216	struct pdb_search *search,
4217	uint32 acct_flags)
4218	{
4219	struct ldapsam_privates *ldap_state =
4220	(struct ldapsam_privates *)methods->private_data;
4221	struct ldap_search_state *state;
4222
4223	state = TALLOC_P(search->mem_ctx, struct ldap_search_state);
4224	if (state == NULL) {
4225	DEBUG(0, ("talloc failed\n"));
4226	return False;
4227	}
4228
4229	state->connection = ldap_state->smbldap_state;
4230
4231	if ((acct_flags != 0) && ((acct_flags & ACB_NORMAL) != 0))
4232	state->base = lp_ldap_user_suffix();
4233	else if ((acct_flags != 0) &&
4234	((acct_flags & (ACB_WSTRUST\|ACB_SVRTRUST\|ACB_DOMTRUST)) != 0))
4235	state->base = lp_ldap_machine_suffix();
4236	else
4237	state->base = lp_ldap_suffix();
4238
4239	state->acct_flags = acct_flags;
4240	state->base = talloc_strdup(search->mem_ctx, state->base);
4241	state->scope = LDAP_SCOPE_SUBTREE;
4242	state->filter = get_ldap_filter(search->mem_ctx, "*");
4243	state->attrs = talloc_attrs(search->mem_ctx, "uid", "sambaSid",
4244	"displayName", "description",
4245	"sambaAcctFlags", NULL);
4246	state->attrsonly = 0;
4247	state->pagedresults_cookie = NULL;
4248	state->entries = NULL;
4249	state->ldap2displayentry = ldapuser2displayentry;
4250
4251	if ((state->filter == NULL) \|\| (state->attrs == NULL)) {
4252	DEBUG(0, ("talloc failed\n"));
4253	return False;
4254	}
4255
4256	search->private_data = state;
4257	search->next_entry = ldapsam_search_next_entry;
4258	search->search_end = ldapsam_search_end;
4259
4260	return ldapsam_search_firstpage(search);
4261	}
4262
4263	static BOOL ldapgroup2displayentry(struct ldap_search_state *state,
4264	TALLOC_CTX *mem_ctx,
4265	LDAP ld, LDAPMessage entry,
4266	struct samr_displayentry *result)
4267	{
4268	char **vals;
4269	DOM_SID sid;
4270	uint16 group_type;
4271
4272	result->account_name = "";
4273	result->fullname = "";
4274	result->description = "";
4275
4276
4277	vals = ldap_get_values(ld, entry, "sambaGroupType");
4278	if ((vals == NULL) \|\| (vals[0] == NULL)) {
4279	DEBUG(5, ("\"sambaGroupType\" not found\n"));
4280	if (vals != NULL) {
4281	ldap_value_free(vals);
4282	}
4283	return False;
4284	}
4285
4286	group_type = atoi(vals[0]);
4287
4288	if ((state->group_type != 0) &&
4289	((state->group_type != group_type))) {
4290	ldap_value_free(vals);
4291	return False;
4292	}
4293
4294	ldap_value_free(vals);
4295
4296	/* display name is the NT group name */
4297
4298	vals = ldap_get_values(ld, entry, "displayName");
4299	if ((vals == NULL) \|\| (vals[0] == NULL)) {
4300	DEBUG(8, ("\"displayName\" not found\n"));
4301
4302	/* fallback to the 'cn' attribute */
4303	vals = ldap_get_values(ld, entry, "cn");
4304	if ((vals == NULL) \|\| (vals[0] == NULL)) {
4305	DEBUG(5, ("\"cn\" not found\n"));
4306	return False;
4307	}
4308	pull_utf8_talloc(mem_ctx,
4309	CONST_DISCARD(char **, &result->account_name),
4310	vals[0]);
4311	}
4312	else {
4313	pull_utf8_talloc(mem_ctx,
4314	CONST_DISCARD(char **, &result->account_name),
4315	vals[0]);
4316	}
4317
4318	ldap_value_free(vals);
4319
4320	vals = ldap_get_values(ld, entry, "description");
4321	if ((vals == NULL) \|\| (vals[0] == NULL))
4322	DEBUG(8, ("\"description\" not found\n"));
4323	else
4324	pull_utf8_talloc(mem_ctx,
4325	CONST_DISCARD(char **, &result->description),
4326	vals[0]);
4327	ldap_value_free(vals);
4328
4329	if ((result->account_name == NULL) \|\|
4330	(result->fullname == NULL) \|\|
4331	(result->description == NULL)) {
4332	DEBUG(0, ("talloc failed\n"));
4333	return False;
4334	}
4335
4336	vals = ldap_get_values(ld, entry, "sambaSid");
4337	if ((vals == NULL) \|\| (vals[0] == NULL)) {
4338	DEBUG(0, ("\"objectSid\" not found\n"));
4339	if (vals != NULL) {
4340	ldap_value_free(vals);
4341	}
4342	return False;
4343	}
4344
4345	if (!string_to_sid(&sid, vals[0])) {
4346	DEBUG(0, ("Could not convert %s to SID\n", vals[0]));
4347	return False;
4348	}
4349
4350	ldap_value_free(vals);
4351
4352	switch (group_type) {
4353	case SID_NAME_DOM_GRP:
4354	case SID_NAME_ALIAS:
4355
4356	if (!sid_peek_check_rid(get_global_sam_sid(), &sid, &result->rid)
4357	&& !sid_peek_check_rid(&global_sid_Builtin, &sid, &result->rid))
4358	{
4359	DEBUG(0, ("%s is not in our domain\n",
4360	sid_string_static(&sid)));
4361	return False;
4362	}
4363	break;
4364
4365	default:
4366	DEBUG(0,("unkown group type: %d\n", group_type));
4367	return False;
4368	}
4369
4370	return True;
4371	}
4372
4373	static BOOL ldapsam_search_grouptype(struct pdb_methods *methods,
4374	struct pdb_search *search,
4375	const DOM_SID *sid,
4376	enum lsa_SidType type)
4377	{
4378	struct ldapsam_privates *ldap_state =
4379	(struct ldapsam_privates *)methods->private_data;
4380	struct ldap_search_state *state;
4381
4382	state = TALLOC_P(search->mem_ctx, struct ldap_search_state);
4383	if (state == NULL) {
4384	DEBUG(0, ("talloc failed\n"));
4385	return False;
4386	}
4387
4388	state->connection = ldap_state->smbldap_state;
4389
4390	state->base = talloc_strdup(search->mem_ctx, lp_ldap_group_suffix());
4391	state->connection = ldap_state->smbldap_state;
4392	state->scope = LDAP_SCOPE_SUBTREE;
4393	state->filter = talloc_asprintf(search->mem_ctx,
4394	"(&(objectclass=sambaGroupMapping)"
4395	"(sambaGroupType=%d)(sambaSID=%s*))",
4396	type, sid_string_static(sid));
4397	state->attrs = talloc_attrs(search->mem_ctx, "cn", "sambaSid",
4398	"displayName", "description",
4399	"sambaGroupType", NULL);
4400	state->attrsonly = 0;
4401	state->pagedresults_cookie = NULL;
4402	state->entries = NULL;
4403	state->group_type = type;
4404	state->ldap2displayentry = ldapgroup2displayentry;
4405
4406	if ((state->filter == NULL) \|\| (state->attrs == NULL)) {
4407	DEBUG(0, ("talloc failed\n"));
4408	return False;
4409	}
4410
4411	search->private_data = state;
4412	search->next_entry = ldapsam_search_next_entry;
4413	search->search_end = ldapsam_search_end;
4414
4415	return ldapsam_search_firstpage(search);
4416	}
4417
4418	static BOOL ldapsam_search_groups(struct pdb_methods *methods,
4419	struct pdb_search *search)
4420	{
4421	return ldapsam_search_grouptype(methods, search, get_global_sam_sid(), SID_NAME_DOM_GRP);
4422	}
4423
4424	static BOOL ldapsam_search_aliases(struct pdb_methods *methods,
4425	struct pdb_search *search,
4426	const DOM_SID *sid)
4427	{
4428	return ldapsam_search_grouptype(methods, search, sid, SID_NAME_ALIAS);
4429	}
4430
4431	static BOOL ldapsam_rid_algorithm(struct pdb_methods *methods)
4432	{
4433	return False;
4434	}
4435
4436	static NTSTATUS ldapsam_get_new_rid(struct ldapsam_privates *priv,
4437	uint32 *rid)
4438	{
4439	struct smbldap_state *smbldap_state = priv->smbldap_state;
4440
4441	LDAPMessage *result = NULL;
4442	LDAPMessage *entry = NULL;
4443	LDAPMod **mods = NULL;
4444	NTSTATUS status;
4445	char *value;
4446	int rc;
4447	uint32 nextRid = 0;
4448	const char *dn;
4449
4450	TALLOC_CTX *mem_ctx;
4451
4452	mem_ctx = talloc_new(NULL);
4453	if (mem_ctx == NULL) {
4454	DEBUG(0, ("talloc_new failed\n"));
4455	return NT_STATUS_NO_MEMORY;
4456	}
4457
4458	status = smbldap_search_domain_info(smbldap_state, &result,
4459	get_global_sam_name(), False);
4460	if (!NT_STATUS_IS_OK(status)) {
4461	DEBUG(3, ("Could not get domain info: %s\n",
4462	nt_errstr(status)));
4463	goto done;
4464	}
4465
4466	talloc_autofree_ldapmsg(mem_ctx, result);
4467
4468	entry = ldap_first_entry(priv2ld(priv), result);
4469	if (entry == NULL) {
4470	DEBUG(0, ("Could not get domain info entry\n"));
4471	status = NT_STATUS_INTERNAL_DB_CORRUPTION;
4472	goto done;
4473	}
4474
4475	/* Find the largest of the three attributes "sambaNextRid",
4476	"sambaNextGroupRid" and "sambaNextUserRid". I gave up on the
4477	concept of differentiating between user and group rids, and will
4478	use only "sambaNextRid" in the future. But for compatibility
4479	reasons I look if others have chosen different strategies -- VL */
4480
4481	value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4482	"sambaNextRid", mem_ctx);
4483	if (value != NULL) {
4484	uint32 tmp = (uint32)strtoul(value, NULL, 10);
4485	nextRid = MAX(nextRid, tmp);
4486	}
4487
4488	value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4489	"sambaNextUserRid", mem_ctx);
4490	if (value != NULL) {
4491	uint32 tmp = (uint32)strtoul(value, NULL, 10);
4492	nextRid = MAX(nextRid, tmp);
4493	}
4494
4495	value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4496	"sambaNextGroupRid", mem_ctx);
4497	if (value != NULL) {
4498	uint32 tmp = (uint32)strtoul(value, NULL, 10);
4499	nextRid = MAX(nextRid, tmp);
4500	}
4501
4502	if (nextRid == 0) {
4503	nextRid = BASE_RID-1;
4504	}
4505
4506	nextRid += 1;
4507
4508	smbldap_make_mod(priv2ld(priv), entry, &mods, "sambaNextRid",
4509	talloc_asprintf(mem_ctx, "%d", nextRid));
4510	talloc_autofree_ldapmod(mem_ctx, mods);
4511
4512	if ((dn = smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry)) == NULL) {
4513	status = NT_STATUS_NO_MEMORY;
4514	goto done;
4515	}
4516
4517	rc = smbldap_modify(smbldap_state, dn, mods);
4518
4519	/* ACCESS_DENIED is used as a placeholder for "the modify failed,
4520	* please retry" */
4521
4522	status = (rc == LDAP_SUCCESS) ? NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
4523
4524	done:
4525	if (NT_STATUS_IS_OK(status)) {
4526	*rid = nextRid;
4527	}
4528
4529	TALLOC_FREE(mem_ctx);
4530	return status;
4531	}
4532
4533	static NTSTATUS ldapsam_new_rid_internal(struct pdb_methods methods, uint32 rid)
4534	{
4535	int i;
4536
4537	for (i=0; i<10; i++) {
4538	NTSTATUS result = ldapsam_get_new_rid(
4539	(struct ldapsam_privates *)methods->private_data, rid);
4540	if (NT_STATUS_IS_OK(result)) {
4541	return result;
4542	}
4543
4544	if (!NT_STATUS_EQUAL(result, NT_STATUS_ACCESS_DENIED)) {
4545	return result;
4546	}
4547
4548	/* The ldap update failed (maybe a race condition), retry */
4549	}
4550
4551	/* Tried 10 times, fail. */
4552	return NT_STATUS_ACCESS_DENIED;
4553	}
4554
4555	static BOOL ldapsam_new_rid(struct pdb_methods methods, uint32 rid)
4556	{
4557	NTSTATUS result = ldapsam_new_rid_internal(methods, rid);
4558	return NT_STATUS_IS_OK(result) ? True : False;
4559	}
4560
4561	static BOOL ldapsam_sid_to_id(struct pdb_methods *methods,
4562	const DOM_SID *sid,
4563	union unid_t id, enum lsa_SidType type)
4564	{
4565	struct ldapsam_privates *priv =
4566	(struct ldapsam_privates *)methods->private_data;
4567	char *filter;
4568	const char *attrs[] = { "sambaGroupType", "gidNumber", "uidNumber",
4569	NULL };
4570	LDAPMessage *result = NULL;
4571	LDAPMessage *entry = NULL;
4572	BOOL ret = False;
4573	char *value;
4574	int rc;
4575
4576	TALLOC_CTX *mem_ctx;
4577
4578	mem_ctx = talloc_new(NULL);
4579	if (mem_ctx == NULL) {
4580	DEBUG(0, ("talloc_new failed\n"));
4581	return False;
4582	}
4583
4584	filter = talloc_asprintf(mem_ctx,
4585	"(&(sambaSid=%s)"
4586	"(\|(objectClass=%s)(objectClass=%s)))",
4587	sid_string_static(sid),
4588	LDAP_OBJ_GROUPMAP, LDAP_OBJ_SAMBASAMACCOUNT);
4589	if (filter == NULL) {
4590	DEBUG(5, ("talloc_asprintf failed\n"));
4591	goto done;
4592	}
4593
4594	rc = smbldap_search_suffix(priv->smbldap_state, filter,
4595	attrs, &result);
4596	if (rc != LDAP_SUCCESS) {
4597	goto done;
4598	}
4599	talloc_autofree_ldapmsg(mem_ctx, result);
4600
4601	if (ldap_count_entries(priv2ld(priv), result) != 1) {
4602	DEBUG(10, ("Got %d entries, expected one\n",
4603	ldap_count_entries(priv2ld(priv), result)));
4604	goto done;
4605	}
4606
4607	entry = ldap_first_entry(priv2ld(priv), result);
4608
4609	value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4610	"sambaGroupType", mem_ctx);
4611
4612	if (value != NULL) {
4613	const char *gid_str;
4614	/* It's a group */
4615
4616	gid_str = smbldap_talloc_single_attribute(
4617	priv2ld(priv), entry, "gidNumber", mem_ctx);
4618	if (gid_str == NULL) {
4619	DEBUG(1, ("%s has sambaGroupType but no gidNumber\n",
4620	smbldap_talloc_dn(mem_ctx, priv2ld(priv),
4621	entry)));
4622	goto done;
4623	}
4624
4625	id->gid = strtoul(gid_str, NULL, 10);
4626	*type = (enum lsa_SidType)strtoul(value, NULL, 10);
4627	ret = True;
4628	goto done;
4629	}
4630
4631	/* It must be a user */
4632
4633	value = smbldap_talloc_single_attribute(priv2ld(priv), entry,
4634	"uidNumber", mem_ctx);
4635	if (value == NULL) {
4636	DEBUG(1, ("Could not find uidNumber in %s\n",
4637	smbldap_talloc_dn(mem_ctx, priv2ld(priv), entry)));
4638	goto done;
4639	}
4640
4641	id->uid = strtoul(value, NULL, 10);
4642	*type = SID_NAME_USER;
4643
4644	ret = True;
4645	done:
4646	TALLOC_FREE(mem_ctx);
4647	return ret;
4648	}
4649
4650	/*
4651	* The following functions is called only if
4652	* ldapsam:trusted and ldapsam:editposix are
4653	* set to true
4654	*/
4655
4656	/*
4657	* ldapsam_create_user creates a new
4658	* posixAccount and sambaSamAccount object
4659	* in the ldap users subtree
4660	*
4661	* The uid is allocated by winbindd.
4662	*/
4663
4664	static NTSTATUS ldapsam_create_user(struct pdb_methods *my_methods,
4665	TALLOC_CTX tmp_ctx, const char name,
4666	uint32 acb_info, uint32 *rid)
4667	{
4668	struct ldapsam_privates ldap_state = (struct ldapsam_privates )my_methods->private_data;
4669	LDAPMessage *entry = NULL;
4670	LDAPMessage *result = NULL;
4671	uint32 num_result;
4672	BOOL is_machine = False;
4673	BOOL add_posix = False;
4674	LDAPMod **mods = NULL;
4675	struct samu *user;
4676	char *filter;
4677	char *username;
4678	char *homedir;
4679	char *gidstr;
4680	char *uidstr;
4681	char *shell;
4682	const char *dn = NULL;
4683	DOM_SID group_sid;
4684	DOM_SID user_sid;
4685	gid_t gid = -1;
4686	uid_t uid = -1;
4687	NTSTATUS ret;
4688	int rc;
4689
4690	if (((acb_info & ACB_NORMAL) && name[strlen(name)-1] == '$') \|\|
4691	acb_info & ACB_WSTRUST \|\|
4692	acb_info & ACB_SVRTRUST \|\|
4693	acb_info & ACB_DOMTRUST) {
4694	is_machine = True;
4695	}
4696
4697	username = escape_ldap_string_alloc(name);
4698	filter = talloc_asprintf(tmp_ctx, "(&(uid=%s)(objectClass=%s))",
4699	username, LDAP_OBJ_POSIXACCOUNT);
4700	SAFE_FREE(username);
4701
4702	rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
4703	if (rc != LDAP_SUCCESS) {
4704	DEBUG(0,("ldapsam_create_user: ldap search failed!\n"));
4705	return NT_STATUS_UNSUCCESSFUL;
4706	}
4707	talloc_autofree_ldapmsg(tmp_ctx, result);
4708
4709	num_result = ldap_count_entries(priv2ld(ldap_state), result);
4710
4711	if (num_result > 1) {
4712	DEBUG (0, ("ldapsam_create_user: More than one user with name [%s] ?!\n", name));
4713	return NT_STATUS_INTERNAL_DB_CORRUPTION;
4714	}
4715
4716	if (num_result == 1) {
4717	char *tmp;
4718	/* check if it is just a posix account.
4719	* or if there is a sid attached to this entry
4720	*/
4721
4722	entry = ldap_first_entry(priv2ld(ldap_state), result);
4723	if (!entry) {
4724	return NT_STATUS_UNSUCCESSFUL;
4725	}
4726
4727	tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "sambaSID", tmp_ctx);
4728	if (tmp) {
4729	DEBUG (1, ("ldapsam_create_user: The user [%s] already exist!\n", name));
4730	return NT_STATUS_USER_EXISTS;
4731	}
4732
4733	/* it is just a posix account, retrieve the dn for later use */
4734	dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
4735	if (!dn) {
4736	DEBUG(0,("ldapsam_create_user: Out of memory!\n"));
4737	return NT_STATUS_NO_MEMORY;
4738	}
4739	}
4740
4741	if (num_result == 0) {
4742	add_posix = True;
4743	}
4744
4745	/* Create the basic samu structure and generate the mods for the ldap commit */
4746	if (!NT_STATUS_IS_OK((ret = ldapsam_new_rid_internal(my_methods, rid)))) {
4747	DEBUG(1, ("ldapsam_create_user: Could not allocate a new RID\n"));
4748	return ret;
4749	}
4750
4751	sid_compose(&user_sid, get_global_sam_sid(), *rid);
4752
4753	user = samu_new(tmp_ctx);
4754	if (!user) {
4755	DEBUG(1,("ldapsam_create_user: Unable to allocate user struct\n"));
4756	return NT_STATUS_NO_MEMORY;
4757	}
4758
4759	if (!pdb_set_username(user, name, PDB_SET)) {
4760	DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
4761	return NT_STATUS_UNSUCCESSFUL;
4762	}
4763	if (!pdb_set_domain(user, get_global_sam_name(), PDB_SET)) {
4764	DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
4765	return NT_STATUS_UNSUCCESSFUL;
4766	}
4767	if (is_machine) {
4768	if (acb_info & ACB_NORMAL) {
4769	if (!pdb_set_acct_ctrl(user, ACB_WSTRUST, PDB_SET)) {
4770	DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
4771	return NT_STATUS_UNSUCCESSFUL;
4772	}
4773	} else {
4774	if (!pdb_set_acct_ctrl(user, acb_info, PDB_SET)) {
4775	DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
4776	return NT_STATUS_UNSUCCESSFUL;
4777	}
4778	}
4779	} else {
4780	if (!pdb_set_acct_ctrl(user, ACB_NORMAL \| ACB_DISABLED, PDB_SET)) {
4781	DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
4782	return NT_STATUS_UNSUCCESSFUL;
4783	}
4784	}
4785
4786	if (!pdb_set_user_sid(user, &user_sid, PDB_SET)) {
4787	DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
4788	return NT_STATUS_UNSUCCESSFUL;
4789	}
4790
4791	if (!init_ldap_from_sam(ldap_state, NULL, &mods, user, element_is_set_or_changed)) {
4792	DEBUG(1,("ldapsam_create_user: Unable to fill user structs\n"));
4793	return NT_STATUS_UNSUCCESSFUL;
4794	}
4795
4796	if (ldap_state->schema_ver != SCHEMAVER_SAMBASAMACCOUNT) {
4797	DEBUG(1,("ldapsam_create_user: Unsupported schema version\n"));
4798	}
4799	smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_SAMBASAMACCOUNT);
4800
4801	if (add_posix) {
4802	char *escape_name;
4803
4804	DEBUG(3,("ldapsam_create_user: Creating new posix user\n"));
4805
4806	/* retrieve the Domain Users group gid */
4807	if (!sid_compose(&group_sid, get_global_sam_sid(), DOMAIN_GROUP_RID_USERS) \|\|
4808	!sid_to_gid(&group_sid, &gid)) {
4809	DEBUG (0, ("ldapsam_create_user: Unable to get the Domain Users gid: bailing out!\n"));
4810	return NT_STATUS_INVALID_PRIMARY_GROUP;
4811	}
4812
4813	/* lets allocate a new userid for this user */
4814	if (!winbind_allocate_uid(&uid)) {
4815	DEBUG (0, ("ldapsam_create_user: Unable to allocate a new user id: bailing out!\n"));
4816	return NT_STATUS_UNSUCCESSFUL;
4817	}
4818
4819
4820	if (is_machine) {
4821	/* TODO: choose a more appropriate default for machines */
4822	homedir = talloc_sub_specified(tmp_ctx, lp_template_homedir(), "SMB_workstations_home", ldap_state->domain_name, uid, gid);
4823	shell = talloc_strdup(tmp_ctx, "/bin/false");
4824	} else {
4825	homedir = talloc_sub_specified(tmp_ctx, lp_template_homedir(), name, ldap_state->domain_name, uid, gid);
4826	shell = talloc_sub_specified(tmp_ctx, lp_template_shell(), name, ldap_state->domain_name, uid, gid);
4827	}
4828	uidstr = talloc_asprintf(tmp_ctx, "%d", uid);
4829	gidstr = talloc_asprintf(tmp_ctx, "%d", gid);
4830
4831	escape_name = escape_rdn_val_string_alloc(name);
4832	if (!escape_name) {
4833	DEBUG (0, ("ldapsam_create_user: Out of memory!\n"));
4834	return NT_STATUS_NO_MEMORY;
4835	}
4836
4837	if (is_machine) {
4838	dn = talloc_asprintf(tmp_ctx, "uid=%s,%s", escape_name, lp_ldap_machine_suffix ());
4839	} else {
4840	dn = talloc_asprintf(tmp_ctx, "uid=%s,%s", escape_name, lp_ldap_user_suffix ());
4841	}
4842
4843	SAFE_FREE(escape_name);
4844
4845	if (!homedir \|\| !shell \|\| !uidstr \|\| !gidstr \|\| !dn) {
4846	DEBUG (0, ("ldapsam_create_user: Out of memory!\n"));
4847	return NT_STATUS_NO_MEMORY;
4848	}
4849
4850	smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_ACCOUNT);
4851	smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_POSIXACCOUNT);
4852	smbldap_set_mod(&mods, LDAP_MOD_ADD, "cn", name);
4853	smbldap_set_mod(&mods, LDAP_MOD_ADD, "uidNumber", uidstr);
4854	smbldap_set_mod(&mods, LDAP_MOD_ADD, "gidNumber", gidstr);
4855	smbldap_set_mod(&mods, LDAP_MOD_ADD, "homeDirectory", homedir);
4856	smbldap_set_mod(&mods, LDAP_MOD_ADD, "loginShell", shell);
4857	}
4858
4859	talloc_autofree_ldapmod(tmp_ctx, mods);
4860
4861	if (add_posix) {
4862	rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
4863	} else {
4864	rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
4865	}
4866
4867	if (rc != LDAP_SUCCESS) {
4868	DEBUG(0,("ldapsam_create_user: failed to create a new user [%s] (dn = %s)\n", name ,dn));
4869	return NT_STATUS_UNSUCCESSFUL;
4870	}
4871
4872	DEBUG(2,("ldapsam_create_user: added account [%s] in the LDAP database\n", name));
4873
4874	flush_pwnam_cache();
4875
4876	return NT_STATUS_OK;
4877	}
4878
4879	static NTSTATUS ldapsam_delete_user(struct pdb_methods my_methods, TALLOC_CTX tmp_ctx, struct samu *sam_acct)
4880	{
4881	struct ldapsam_privates ldap_state = (struct ldapsam_privates )my_methods->private_data;
4882	LDAPMessage *result = NULL;
4883	LDAPMessage *entry = NULL;
4884	int num_result;
4885	const char *dn;
4886	char *filter;
4887	int rc;
4888
4889	DEBUG(0,("ldapsam_delete_user: Attempt to delete user [%s]\n", pdb_get_username(sam_acct)));
4890
4891	filter = talloc_asprintf(tmp_ctx,
4892	"(&(uid=%s)"
4893	"(objectClass=%s)"
4894	"(objectClass=%s))",
4895	pdb_get_username(sam_acct),
4896	LDAP_OBJ_POSIXACCOUNT,
4897	LDAP_OBJ_SAMBASAMACCOUNT);
4898	if (filter == NULL) {
4899	return NT_STATUS_NO_MEMORY;
4900	}
4901
4902	rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
4903	if (rc != LDAP_SUCCESS) {
4904	DEBUG(0,("ldapsam_delete_user: user search failed!\n"));
4905	return NT_STATUS_UNSUCCESSFUL;
4906	}
4907	talloc_autofree_ldapmsg(tmp_ctx, result);
4908
4909	num_result = ldap_count_entries(priv2ld(ldap_state), result);
4910
4911	if (num_result == 0) {
4912	DEBUG(0,("ldapsam_delete_user: user not found!\n"));
4913	return NT_STATUS_NO_SUCH_USER;
4914	}
4915
4916	if (num_result > 1) {
4917	DEBUG (0, ("ldapsam_delete_user: More than one user with name [%s] ?!\n", pdb_get_username(sam_acct)));
4918	return NT_STATUS_INTERNAL_DB_CORRUPTION;
4919	}
4920
4921	entry = ldap_first_entry(priv2ld(ldap_state), result);
4922	if (!entry) {
4923	return NT_STATUS_UNSUCCESSFUL;
4924	}
4925
4926	/* it is just a posix account, retrieve the dn for later use */
4927	dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
4928	if (!dn) {
4929	DEBUG(0,("ldapsam_delete_user: Out of memory!\n"));
4930	return NT_STATUS_NO_MEMORY;
4931	}
4932
4933	rc = smbldap_delete(ldap_state->smbldap_state, dn);
4934	if (rc != LDAP_SUCCESS) {
4935	return NT_STATUS_UNSUCCESSFUL;
4936	}
4937
4938	flush_pwnam_cache();
4939
4940	return NT_STATUS_OK;
4941	}
4942
4943	/*
4944	* ldapsam_create_group creates a new
4945	* posixGroup and sambaGroupMapping object
4946	* in the ldap groups subtree
4947	*
4948	* The gid is allocated by winbindd.
4949	*/
4950
4951	static NTSTATUS ldapsam_create_dom_group(struct pdb_methods *my_methods,
4952	TALLOC_CTX *tmp_ctx,
4953	const char *name,
4954	uint32 *rid)
4955	{
4956	struct ldapsam_privates ldap_state = (struct ldapsam_privates )my_methods->private_data;
4957	NTSTATUS ret;
4958	LDAPMessage *entry = NULL;
4959	LDAPMessage *result = NULL;
4960	uint32 num_result;
4961	BOOL is_new_entry = False;
4962	LDAPMod **mods = NULL;
4963	char *filter;
4964	char *groupsidstr;
4965	char *groupname;
4966	char *grouptype;
4967	char *gidstr;
4968	const char *dn = NULL;
4969	DOM_SID group_sid;
4970	gid_t gid = -1;
4971	int rc;
4972
4973	groupname = escape_ldap_string_alloc(name);
4974	filter = talloc_asprintf(tmp_ctx, "(&(cn=%s)(objectClass=%s))",
4975	groupname, LDAP_OBJ_POSIXGROUP);
4976	SAFE_FREE(groupname);
4977
4978	rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
4979	if (rc != LDAP_SUCCESS) {
4980	DEBUG(0,("ldapsam_create_group: ldap search failed!\n"));
4981	return NT_STATUS_UNSUCCESSFUL;
4982	}
4983	talloc_autofree_ldapmsg(tmp_ctx, result);
4984
4985	num_result = ldap_count_entries(priv2ld(ldap_state), result);
4986
4987	if (num_result > 1) {
4988	DEBUG (0, ("ldapsam_create_group: There exists more than one group with name [%s]: bailing out!\n", name));
4989	return NT_STATUS_INTERNAL_DB_CORRUPTION;
4990	}
4991
4992	if (num_result == 1) {
4993	char *tmp;
4994	/* check if it is just a posix group.
4995	* or if there is a sid attached to this entry
4996	*/
4997
4998	entry = ldap_first_entry(priv2ld(ldap_state), result);
4999	if (!entry) {
5000	return NT_STATUS_UNSUCCESSFUL;
5001	}
5002
5003	tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "sambaSID", tmp_ctx);
5004	if (tmp) {
5005	DEBUG (1, ("ldapsam_create_group: The group [%s] already exist!\n", name));
5006	return NT_STATUS_GROUP_EXISTS;
5007	}
5008
5009	/* it is just a posix group, retrieve the gid and the dn for later use */
5010	tmp = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5011	if (!tmp) {
5012	DEBUG (1, ("ldapsam_create_group: Couldn't retrieve the gidNumber for [%s]?!?!\n", name));
5013	return NT_STATUS_INTERNAL_DB_CORRUPTION;
5014	}
5015
5016	gid = strtoul(tmp, NULL, 10);
5017
5018	dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5019	if (!dn) {
5020	DEBUG(0,("ldapsam_create_group: Out of memory!\n"));
5021	return NT_STATUS_NO_MEMORY;
5022	}
5023	}
5024
5025	if (num_result == 0) {
5026	char *escape_name;
5027
5028	DEBUG(3,("ldapsam_create_user: Creating new posix group\n"));
5029
5030	is_new_entry = True;
5031
5032	/* lets allocate a new groupid for this group */
5033	if (!winbind_allocate_gid(&gid)) {
5034	DEBUG (0, ("ldapsam_create_group: Unable to allocate a new group id: bailing out!\n"));
5035	return NT_STATUS_UNSUCCESSFUL;
5036	}
5037
5038	gidstr = talloc_asprintf(tmp_ctx, "%d", gid);
5039
5040	escape_name = escape_rdn_val_string_alloc(name);
5041	if (!escape_name) {
5042	DEBUG (0, ("ldapsam_create_group: Out of memory!\n"));
5043	return NT_STATUS_NO_MEMORY;
5044	}
5045
5046	dn = talloc_asprintf(tmp_ctx, "cn=%s,%s", escape_name, lp_ldap_group_suffix());
5047
5048	SAFE_FREE(escape_name);
5049
5050	if (!gidstr \|\| !dn) {
5051	DEBUG (0, ("ldapsam_create_group: Out of memory!\n"));
5052	return NT_STATUS_NO_MEMORY;
5053	}
5054
5055	smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_POSIXGROUP);
5056	smbldap_set_mod(&mods, LDAP_MOD_ADD, "cn", name);
5057	smbldap_set_mod(&mods, LDAP_MOD_ADD, "gidNumber", gidstr);
5058	}
5059
5060	if (!NT_STATUS_IS_OK((ret = ldapsam_new_rid_internal(my_methods, rid)))) {
5061	DEBUG(1, ("ldapsam_create_group: Could not allocate a new RID\n"));
5062	return ret;
5063	}
5064
5065	sid_compose(&group_sid, get_global_sam_sid(), *rid);
5066
5067	groupsidstr = talloc_strdup(tmp_ctx, sid_string_static(&group_sid));
5068	grouptype = talloc_asprintf(tmp_ctx, "%d", SID_NAME_DOM_GRP);
5069
5070	if (!groupsidstr \|\| !grouptype) {
5071	DEBUG(0,("ldapsam_create_group: Out of memory!\n"));
5072	return NT_STATUS_NO_MEMORY;
5073	}
5074
5075	smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_GROUPMAP);
5076	smbldap_set_mod(&mods, LDAP_MOD_ADD, "sambaSid", groupsidstr);
5077	smbldap_set_mod(&mods, LDAP_MOD_ADD, "sambaGroupType", grouptype);
5078	smbldap_set_mod(&mods, LDAP_MOD_ADD, "displayName", name);
5079	talloc_autofree_ldapmod(tmp_ctx, mods);
5080
5081	if (is_new_entry) {
5082	rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5083	#if 0
5084	if (rc == LDAP_OBJECT_CLASS_VIOLATION) {
5085	/* This call may fail with rfc2307bis schema */
5086	/* Retry adding a structural class */
5087	smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", "????");
5088	rc = smbldap_add(ldap_state->smbldap_state, dn, mods);
5089	}
5090	#endif
5091	} else {
5092	rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5093	}
5094
5095	if (rc != LDAP_SUCCESS) {
5096	DEBUG(0,("ldapsam_create_group: failed to create a new group [%s] (dn = %s)\n", name ,dn));
5097	return NT_STATUS_UNSUCCESSFUL;
5098	}
5099
5100	DEBUG(2,("ldapsam_create_group: added group [%s] in the LDAP database\n", name));
5101
5102	return NT_STATUS_OK;
5103	}
5104
5105	static NTSTATUS ldapsam_delete_dom_group(struct pdb_methods my_methods, TALLOC_CTX tmp_ctx, uint32 rid)
5106	{
5107	struct ldapsam_privates ldap_state = (struct ldapsam_privates )my_methods->private_data;
5108	LDAPMessage *result = NULL;
5109	LDAPMessage *entry = NULL;
5110	int num_result;
5111	const char *dn;
5112	char *gidstr;
5113	char *filter;
5114	DOM_SID group_sid;
5115	int rc;
5116
5117	/* get the group sid */
5118	sid_compose(&group_sid, get_global_sam_sid(), rid);
5119
5120	filter = talloc_asprintf(tmp_ctx,
5121	"(&(sambaSID=%s)"
5122	"(objectClass=%s)"
5123	"(objectClass=%s))",
5124	sid_string_static(&group_sid),
5125	LDAP_OBJ_POSIXGROUP,
5126	LDAP_OBJ_GROUPMAP);
5127	if (filter == NULL) {
5128	return NT_STATUS_NO_MEMORY;
5129	}
5130
5131	rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5132	if (rc != LDAP_SUCCESS) {
5133	DEBUG(1,("ldapsam_delete_dom_group: group search failed!\n"));
5134	return NT_STATUS_UNSUCCESSFUL;
5135	}
5136	talloc_autofree_ldapmsg(tmp_ctx, result);
5137
5138	num_result = ldap_count_entries(priv2ld(ldap_state), result);
5139
5140	if (num_result == 0) {
5141	DEBUG(1,("ldapsam_delete_dom_group: group not found!\n"));
5142	return NT_STATUS_NO_SUCH_GROUP;
5143	}
5144
5145	if (num_result > 1) {
5146	DEBUG (0, ("ldapsam_delete_dom_group: More than one group with the same SID ?!\n"));
5147	return NT_STATUS_INTERNAL_DB_CORRUPTION;
5148	}
5149
5150	entry = ldap_first_entry(priv2ld(ldap_state), result);
5151	if (!entry) {
5152	return NT_STATUS_UNSUCCESSFUL;
5153	}
5154
5155	/* here it is, retrieve the dn for later use */
5156	dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5157	if (!dn) {
5158	DEBUG(0,("ldapsam_delete_dom_group: Out of memory!\n"));
5159	return NT_STATUS_NO_MEMORY;
5160	}
5161
5162	gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5163	if (!gidstr) {
5164	DEBUG (0, ("ldapsam_delete_dom_group: Unable to find the group's gid!\n"));
5165	return NT_STATUS_INTERNAL_DB_CORRUPTION;
5166	}
5167
5168	/* check no user have this group marked as primary group */
5169	filter = talloc_asprintf(tmp_ctx,
5170	"(&(gidNumber=%s)"
5171	"(objectClass=%s)"
5172	"(objectClass=%s))",
5173	gidstr,
5174	LDAP_OBJ_POSIXACCOUNT,
5175	LDAP_OBJ_SAMBASAMACCOUNT);
5176
5177	rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5178	if (rc != LDAP_SUCCESS) {
5179	DEBUG(1,("ldapsam_delete_dom_group: accounts search failed!\n"));
5180	return NT_STATUS_UNSUCCESSFUL;
5181	}
5182	talloc_autofree_ldapmsg(tmp_ctx, result);
5183
5184	num_result = ldap_count_entries(priv2ld(ldap_state), result);
5185
5186	if (num_result != 0) {
5187	DEBUG(3,("ldapsam_delete_dom_group: Can't delete group, it is a primary group for %d users\n", num_result));
5188	return NT_STATUS_MEMBERS_PRIMARY_GROUP;
5189	}
5190
5191	rc = smbldap_delete(ldap_state->smbldap_state, dn);
5192	if (rc != LDAP_SUCCESS) {
5193	return NT_STATUS_UNSUCCESSFUL;
5194	}
5195
5196	return NT_STATUS_OK;
5197	}
5198
5199	static NTSTATUS ldapsam_change_groupmem(struct pdb_methods *my_methods,
5200	TALLOC_CTX *tmp_ctx,
5201	uint32 group_rid,
5202	uint32 member_rid,
5203	int modop)
5204	{
5205	struct ldapsam_privates ldap_state = (struct ldapsam_privates )my_methods->private_data;
5206	LDAPMessage *entry = NULL;
5207	LDAPMessage *result = NULL;
5208	uint32 num_result;
5209	LDAPMod **mods = NULL;
5210	char *filter;
5211	char *uidstr;
5212	const char *dn = NULL;
5213	DOM_SID group_sid;
5214	DOM_SID member_sid;
5215	int rc;
5216
5217	switch (modop) {
5218	case LDAP_MOD_ADD:
5219	DEBUG(1,("ldapsam_change_groupmem: add new member(rid=%d) to a domain group(rid=%d)", member_rid, group_rid));
5220	break;
5221	case LDAP_MOD_DELETE:
5222	DEBUG(1,("ldapsam_change_groupmem: delete member(rid=%d) from a domain group(rid=%d)", member_rid, group_rid));
5223	break;
5224	default:
5225	return NT_STATUS_UNSUCCESSFUL;
5226	}
5227
5228	/* get member sid */
5229	sid_compose(&member_sid, get_global_sam_sid(), member_rid);
5230
5231	/* get the group sid */
5232	sid_compose(&group_sid, get_global_sam_sid(), group_rid);
5233
5234	filter = talloc_asprintf(tmp_ctx,
5235	"(&(sambaSID=%s)"
5236	"(objectClass=%s)"
5237	"(objectClass=%s))",
5238	sid_string_static(&member_sid),
5239	LDAP_OBJ_POSIXACCOUNT,
5240	LDAP_OBJ_SAMBASAMACCOUNT);
5241	if (filter == NULL) {
5242	return NT_STATUS_NO_MEMORY;
5243	}
5244
5245	/* get the member uid */
5246	rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5247	if (rc != LDAP_SUCCESS) {
5248	DEBUG(1,("ldapsam_change_groupmem: member search failed!\n"));
5249	return NT_STATUS_UNSUCCESSFUL;
5250	}
5251	talloc_autofree_ldapmsg(tmp_ctx, result);
5252
5253	num_result = ldap_count_entries(priv2ld(ldap_state), result);
5254
5255	if (num_result == 0) {
5256	DEBUG(1,("ldapsam_change_groupmem: member not found!\n"));
5257	return NT_STATUS_NO_SUCH_MEMBER;
5258	}
5259
5260	if (num_result > 1) {
5261	DEBUG (0, ("ldapsam_change_groupmem: More than one account with the same SID ?!\n"));
5262	return NT_STATUS_INTERNAL_DB_CORRUPTION;
5263	}
5264
5265	entry = ldap_first_entry(priv2ld(ldap_state), result);
5266	if (!entry) {
5267	return NT_STATUS_UNSUCCESSFUL;
5268	}
5269
5270	if (modop == LDAP_MOD_DELETE) {
5271	/* check if we are trying to remove the member from his primary group */
5272	char *gidstr;
5273	gid_t user_gid, group_gid;
5274
5275	gidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "gidNumber", tmp_ctx);
5276	if (!gidstr) {
5277	DEBUG (0, ("ldapsam_change_groupmem: Unable to find the member's gid!\n"));
5278	return NT_STATUS_INTERNAL_DB_CORRUPTION;
5279	}
5280
5281	user_gid = strtoul(gidstr, NULL, 10);
5282
5283	if (!sid_to_gid(&group_sid, &group_gid)) {
5284	DEBUG (0, ("ldapsam_change_groupmem: Unable to get group gid from SID!\n"));
5285	return NT_STATUS_UNSUCCESSFUL;
5286	}
5287
5288	if (user_gid == group_gid) {
5289	DEBUG (3, ("ldapsam_change_groupmem: can't remove user from it's own primary group!\n"));
5290	return NT_STATUS_MEMBERS_PRIMARY_GROUP;
5291	}
5292	}
5293
5294	/* here it is, retrieve the uid for later use */
5295	uidstr = smbldap_talloc_single_attribute(priv2ld(ldap_state), entry, "uid", tmp_ctx);
5296	if (!uidstr) {
5297	DEBUG (0, ("ldapsam_change_groupmem: Unable to find the member's name!\n"));
5298	return NT_STATUS_INTERNAL_DB_CORRUPTION;
5299	}
5300
5301	filter = talloc_asprintf(tmp_ctx,
5302	"(&(sambaSID=%s)"
5303	"(objectClass=%s)"
5304	"(objectClass=%s))",
5305	sid_string_static(&group_sid),
5306	LDAP_OBJ_POSIXGROUP,
5307	LDAP_OBJ_GROUPMAP);
5308
5309	/* get the group */
5310	rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5311	if (rc != LDAP_SUCCESS) {
5312	DEBUG(1,("ldapsam_change_groupmem: group search failed!\n"));
5313	return NT_STATUS_UNSUCCESSFUL;
5314	}
5315	talloc_autofree_ldapmsg(tmp_ctx, result);
5316
5317	num_result = ldap_count_entries(priv2ld(ldap_state), result);
5318
5319	if (num_result == 0) {
5320	DEBUG(1,("ldapsam_change_groupmem: group not found!\n"));
5321	return NT_STATUS_NO_SUCH_GROUP;
5322	}
5323
5324	if (num_result > 1) {
5325	DEBUG (0, ("ldapsam_change_groupmem: More than one group with the same SID ?!\n"));
5326	return NT_STATUS_INTERNAL_DB_CORRUPTION;
5327	}
5328
5329	entry = ldap_first_entry(priv2ld(ldap_state), result);
5330	if (!entry) {
5331	return NT_STATUS_UNSUCCESSFUL;
5332	}
5333
5334	/* here it is, retrieve the dn for later use */
5335	dn = smbldap_talloc_dn(tmp_ctx, priv2ld(ldap_state), entry);
5336	if (!dn) {
5337	DEBUG(0,("ldapsam_change_groupmem: Out of memory!\n"));
5338	return NT_STATUS_NO_MEMORY;
5339	}
5340
5341	smbldap_set_mod(&mods, modop, "memberUid", uidstr);
5342
5343	talloc_autofree_ldapmod(tmp_ctx, mods);
5344
5345	rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5346	if (rc != LDAP_SUCCESS) {
5347	if (rc == LDAP_TYPE_OR_VALUE_EXISTS && modop == LDAP_MOD_ADD) {
5348	DEBUG(1,("ldapsam_change_groupmem: member is already in group, add failed!\n"));
5349	return NT_STATUS_MEMBER_IN_GROUP;
5350	}
5351	if (rc == LDAP_NO_SUCH_ATTRIBUTE && modop == LDAP_MOD_DELETE) {
5352	DEBUG(1,("ldapsam_change_groupmem: member is not in group, delete failed!\n"));
5353	return NT_STATUS_MEMBER_NOT_IN_GROUP;
5354	}
5355	return NT_STATUS_UNSUCCESSFUL;
5356	}
5357
5358	return NT_STATUS_OK;
5359	}
5360
5361	static NTSTATUS ldapsam_add_groupmem(struct pdb_methods *my_methods,
5362	TALLOC_CTX *tmp_ctx,
5363	uint32 group_rid,
5364	uint32 member_rid)
5365	{
5366	return ldapsam_change_groupmem(my_methods, tmp_ctx, group_rid, member_rid, LDAP_MOD_ADD);
5367	}
5368	static NTSTATUS ldapsam_del_groupmem(struct pdb_methods *my_methods,
5369	TALLOC_CTX *tmp_ctx,
5370	uint32 group_rid,
5371	uint32 member_rid)
5372	{
5373	return ldapsam_change_groupmem(my_methods, tmp_ctx, group_rid, member_rid, LDAP_MOD_DELETE);
5374	}
5375
5376	static NTSTATUS ldapsam_set_primary_group(struct pdb_methods *my_methods,
5377	TALLOC_CTX *mem_ctx,
5378	struct samu *sampass)
5379	{
5380	struct ldapsam_privates ldap_state = (struct ldapsam_privates )my_methods->private_data;
5381	LDAPMessage *entry = NULL;
5382	LDAPMessage *result = NULL;
5383	uint32 num_result;
5384	LDAPMod **mods = NULL;
5385	char *filter;
5386	char *escape_username;
5387	char *gidstr;
5388	const char *dn = NULL;
5389	gid_t gid;
5390	int rc;
5391
5392	DEBUG(0,("ldapsam_set_primary_group: Attempt to set primary group for user [%s]\n", pdb_get_username(sampass)));
5393
5394	if (!sid_to_gid(pdb_get_group_sid(sampass), &gid)) {
5395	DEBUG(0,("ldapsam_set_primary_group: failed to retieve gid from user's group SID!\n"));
5396	return NT_STATUS_UNSUCCESSFUL;
5397	}
5398	gidstr = talloc_asprintf(mem_ctx, "%d", gid);
5399	if (!gidstr) {
5400	DEBUG(0,("ldapsam_set_primary_group: Out of Memory!\n"));
5401	return NT_STATUS_NO_MEMORY;
5402	}
5403
5404	escape_username = escape_ldap_string_alloc(pdb_get_username(sampass));
5405	if (escape_username== NULL) {
5406	return NT_STATUS_NO_MEMORY;
5407	}
5408
5409	filter = talloc_asprintf(mem_ctx,
5410	"(&(uid=%s)"
5411	"(objectClass=%s)"
5412	"(objectClass=%s))",
5413	escape_username,
5414	LDAP_OBJ_POSIXACCOUNT,
5415	LDAP_OBJ_SAMBASAMACCOUNT);
5416
5417	SAFE_FREE(escape_username);
5418
5419	if (filter == NULL) {
5420	return NT_STATUS_NO_MEMORY;
5421	}
5422
5423	rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, NULL, &result);
5424	if (rc != LDAP_SUCCESS) {
5425	DEBUG(0,("ldapsam_set_primary_group: user search failed!\n"));
5426	return NT_STATUS_UNSUCCESSFUL;
5427	}
5428	talloc_autofree_ldapmsg(mem_ctx, result);
5429
5430	num_result = ldap_count_entries(priv2ld(ldap_state), result);
5431
5432	if (num_result == 0) {
5433	DEBUG(0,("ldapsam_set_primary_group: user not found!\n"));
5434	return NT_STATUS_NO_SUCH_USER;
5435	}
5436
5437	if (num_result > 1) {
5438	DEBUG (0, ("ldapsam_set_primary_group: More than one user with name [%s] ?!\n", pdb_get_username(sampass)));
5439	return NT_STATUS_INTERNAL_DB_CORRUPTION;
5440	}
5441
5442	entry = ldap_first_entry(priv2ld(ldap_state), result);
5443	if (!entry) {
5444	return NT_STATUS_UNSUCCESSFUL;
5445	}
5446
5447	/* retrieve the dn for later use */
5448	dn = smbldap_talloc_dn(mem_ctx, priv2ld(ldap_state), entry);
5449	if (!dn) {
5450	DEBUG(0,("ldapsam_set_primary_group: Out of memory!\n"));
5451	return NT_STATUS_NO_MEMORY;
5452	}
5453
5454	/* remove the old one, and add the new one, this way we do not risk races */
5455	smbldap_make_mod(priv2ld(ldap_state), entry, &mods, "gidNumber", gidstr);
5456
5457	if (mods == NULL) {
5458	return NT_STATUS_OK;
5459	}
5460
5461	rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
5462
5463	if (rc != LDAP_SUCCESS) {
5464	DEBUG(0,("ldapsam_set_primary_group: failed to modify [%s] primary group to [%s]\n",
5465	pdb_get_username(sampass), gidstr));
5466	return NT_STATUS_UNSUCCESSFUL;
5467	}
5468
5469	flush_pwnam_cache();
5470
5471	return NT_STATUS_OK;
5472	}
5473
5474	/**********************************************************************
5475	Housekeeping
5476	*********************************************************************/
5477
5478	static void free_private_data(void **vp)
5479	{
5480	struct ldapsam_privates ldap_state = (struct ldapsam_privates )vp;
5481
5482	smbldap_free_struct(&(*ldap_state)->smbldap_state);
5483
5484	if ((*ldap_state)->result != NULL) {
5485	ldap_msgfree((*ldap_state)->result);
5486	(*ldap_state)->result = NULL;
5487	}
5488	if ((*ldap_state)->domain_dn != NULL) {
5489	SAFE_FREE((*ldap_state)->domain_dn);
5490	}
5491
5492	*ldap_state = NULL;
5493
5494	/* No need to free any further, as it is talloc()ed */
5495	}
5496
5497	/*********************************************************************
5498	Intitalise the parts of the pdb_methods structure that are common to
5499	all pdb_ldap modes
5500	*********************************************************************/
5501
5502	static NTSTATUS pdb_init_ldapsam_common(struct pdb_methods *pdb_method, const char location)
5503	{
5504	NTSTATUS nt_status;
5505	struct ldapsam_privates *ldap_state;
5506
5507	if (!NT_STATUS_IS_OK(nt_status = make_pdb_method( pdb_method ))) {
5508	return nt_status;
5509	}
5510
5511	(*pdb_method)->name = "ldapsam";
5512
5513	(*pdb_method)->setsampwent = ldapsam_setsampwent;
5514	(*pdb_method)->endsampwent = ldapsam_endsampwent;
5515	(*pdb_method)->getsampwent = ldapsam_getsampwent;
5516	(*pdb_method)->getsampwnam = ldapsam_getsampwnam;
5517	(*pdb_method)->getsampwsid = ldapsam_getsampwsid;
5518	(*pdb_method)->add_sam_account = ldapsam_add_sam_account;
5519	(*pdb_method)->update_sam_account = ldapsam_update_sam_account;
5520	(*pdb_method)->delete_sam_account = ldapsam_delete_sam_account;
5521	(*pdb_method)->rename_sam_account = ldapsam_rename_sam_account;
5522
5523	(*pdb_method)->getgrsid = ldapsam_getgrsid;
5524	(*pdb_method)->getgrgid = ldapsam_getgrgid;
5525	(*pdb_method)->getgrnam = ldapsam_getgrnam;
5526	(*pdb_method)->add_group_mapping_entry = ldapsam_add_group_mapping_entry;
5527	(*pdb_method)->update_group_mapping_entry = ldapsam_update_group_mapping_entry;
5528	(*pdb_method)->delete_group_mapping_entry = ldapsam_delete_group_mapping_entry;
5529	(*pdb_method)->enum_group_mapping = ldapsam_enum_group_mapping;
5530
5531	(*pdb_method)->get_account_policy = ldapsam_get_account_policy;
5532	(*pdb_method)->set_account_policy = ldapsam_set_account_policy;
5533
5534	(*pdb_method)->get_seq_num = ldapsam_get_seq_num;
5535
5536	(*pdb_method)->rid_algorithm = ldapsam_rid_algorithm;
5537	(*pdb_method)->new_rid = ldapsam_new_rid;
5538
5539	/* TODO: Setup private data and free */
5540
5541	if ( !(ldap_state = TALLOC_ZERO_P(*pdb_method, struct ldapsam_privates)) ) {
5542	DEBUG(0, ("pdb_init_ldapsam_common: talloc() failed for ldapsam private_data!\n"));
5543	return NT_STATUS_NO_MEMORY;
5544	}
5545
5546	nt_status = smbldap_init(*pdb_method, location, &ldap_state->smbldap_state);
5547
5548	if ( !NT_STATUS_IS_OK(nt_status) ) {
5549	return nt_status;
5550	}
5551
5552	if ( !(ldap_state->domain_name = talloc_strdup(*pdb_method, get_global_sam_name()) ) ) {
5553	return NT_STATUS_NO_MEMORY;
5554	}
5555
5556	(*pdb_method)->private_data = ldap_state;
5557
5558	(*pdb_method)->free_private_data = free_private_data;
5559
5560	return NT_STATUS_OK;
5561	}
5562
5563	/**********************************************************************
5564	Initialise the 'compat' mode for pdb_ldap
5565	*********************************************************************/
5566
5567	NTSTATUS pdb_init_ldapsam_compat(struct pdb_methods *pdb_method, const char location)
5568	{
5569	NTSTATUS nt_status;
5570	struct ldapsam_privates *ldap_state;
5571	char *uri = talloc_strdup( NULL, location );
5572
5573	trim_char( uri, '\"', '\"' );
5574	nt_status = pdb_init_ldapsam_common( pdb_method, uri );
5575	if ( uri )
5576	TALLOC_FREE( uri );
5577
5578	if ( !NT_STATUS_IS_OK(nt_status) ) {
5579	return nt_status;
5580	}
5581
5582	(*pdb_method)->name = "ldapsam_compat";
5583
5584	ldap_state = (struct ldapsam_privates )((pdb_method)->private_data);
5585	ldap_state->schema_ver = SCHEMAVER_SAMBAACCOUNT;
5586
5587	sid_copy(&ldap_state->domain_sid, get_global_sam_sid());
5588
5589	return NT_STATUS_OK;
5590	}
5591
5592	/**********************************************************************
5593	Initialise the normal mode for pdb_ldap
5594	*********************************************************************/
5595
5596	NTSTATUS pdb_init_ldapsam(struct pdb_methods *pdb_method, const char location)
5597	{
5598	NTSTATUS nt_status;
5599	struct ldapsam_privates *ldap_state;
5600	uint32 alg_rid_base;
5601	pstring alg_rid_base_string;
5602	LDAPMessage *result = NULL;
5603	LDAPMessage *entry = NULL;
5604	DOM_SID ldap_domain_sid;
5605	DOM_SID secrets_domain_sid;
5606	pstring domain_sid_string;
5607	char *dn;
5608	char *uri = talloc_strdup( NULL, location );
5609
5610	trim_char( uri, '\"', '\"' );
5611	nt_status = pdb_init_ldapsam_common(pdb_method, uri);
5612	if ( uri )
5613	TALLOC_FREE( uri );
5614
5615	if (!NT_STATUS_IS_OK(nt_status)) {
5616	return nt_status;
5617	}
5618
5619	(*pdb_method)->name = "ldapsam";
5620
5621	(*pdb_method)->add_aliasmem = ldapsam_add_aliasmem;
5622	(*pdb_method)->del_aliasmem = ldapsam_del_aliasmem;
5623	(*pdb_method)->enum_aliasmem = ldapsam_enum_aliasmem;
5624	(*pdb_method)->enum_alias_memberships = ldapsam_alias_memberships;
5625	(*pdb_method)->search_users = ldapsam_search_users;
5626	(*pdb_method)->search_groups = ldapsam_search_groups;
5627	(*pdb_method)->search_aliases = ldapsam_search_aliases;
5628
5629	if (lp_parm_bool(-1, "ldapsam", "trusted", False)) {
5630	(*pdb_method)->enum_group_members = ldapsam_enum_group_members;
5631	(*pdb_method)->enum_group_memberships =
5632	ldapsam_enum_group_memberships;
5633	(*pdb_method)->lookup_rids = ldapsam_lookup_rids;
5634	(*pdb_method)->sid_to_id = ldapsam_sid_to_id;
5635
5636	if (lp_parm_bool(-1, "ldapsam", "editposix", False)) {
5637	(*pdb_method)->create_user = ldapsam_create_user;
5638	(*pdb_method)->delete_user = ldapsam_delete_user;
5639	(*pdb_method)->create_dom_group = ldapsam_create_dom_group;
5640	(*pdb_method)->delete_dom_group = ldapsam_delete_dom_group;
5641	(*pdb_method)->add_groupmem = ldapsam_add_groupmem;
5642	(*pdb_method)->del_groupmem = ldapsam_del_groupmem;
5643	(*pdb_method)->set_unix_primary_group = ldapsam_set_primary_group;
5644	}
5645	}
5646
5647	ldap_state = (struct ldapsam_privates )((pdb_method)->private_data);
5648	ldap_state->schema_ver = SCHEMAVER_SAMBASAMACCOUNT;
5649
5650	/* Try to setup the Domain Name, Domain SID, algorithmic rid base */
5651
5652	nt_status = smbldap_search_domain_info(ldap_state->smbldap_state,
5653	&result,
5654	ldap_state->domain_name, True);
5655
5656	if ( !NT_STATUS_IS_OK(nt_status) ) {
5657	DEBUG(2, ("pdb_init_ldapsam: WARNING: Could not get domain "
5658	"info, nor add one to the domain\n"));
5659	DEBUGADD(2, ("pdb_init_ldapsam: Continuing on regardless, "
5660	"will be unable to allocate new users/groups, "
5661	"and will risk BDCs having inconsistant SIDs\n"));
5662	sid_copy(&ldap_state->domain_sid, get_global_sam_sid());
5663	return NT_STATUS_OK;
5664	}
5665
5666	/* Given that the above might fail, everything below this must be
5667	* optional */
5668
5669	entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
5670	result);
5671	if (!entry) {
5672	DEBUG(0, ("pdb_init_ldapsam: Could not get domain info "
5673	"entry\n"));
5674	ldap_msgfree(result);
5675	return NT_STATUS_UNSUCCESSFUL;
5676	}
5677
5678	dn = smbldap_get_dn(ldap_state->smbldap_state->ldap_struct, entry);
5679	if (!dn) {
5680	ldap_msgfree(result);
5681	return NT_STATUS_UNSUCCESSFUL;
5682	}
5683
5684	ldap_state->domain_dn = smb_xstrdup(dn);
5685	ldap_memfree(dn);
5686
5687	if (smbldap_get_single_pstring(
5688	ldap_state->smbldap_state->ldap_struct,
5689	entry,
5690	get_userattr_key2string(ldap_state->schema_ver,
5691	LDAP_ATTR_USER_SID),
5692	domain_sid_string)) {
5693	BOOL found_sid;
5694	if (!string_to_sid(&ldap_domain_sid, domain_sid_string)) {
5695	DEBUG(1, ("pdb_init_ldapsam: SID [%s] could not be "
5696	"read as a valid SID\n", domain_sid_string));
5697	ldap_msgfree(result);
5698	return NT_STATUS_INVALID_PARAMETER;
5699	}
5700	found_sid = secrets_fetch_domain_sid(ldap_state->domain_name,
5701	&secrets_domain_sid);
5702	if (!found_sid \|\| !sid_equal(&secrets_domain_sid,
5703	&ldap_domain_sid)) {
5704	fstring new_sid_str, old_sid_str;
5705	DEBUG(1, ("pdb_init_ldapsam: Resetting SID for domain "
5706	"%s based on pdb_ldap results %s -> %s\n",
5707	ldap_state->domain_name,
5708	sid_to_string(old_sid_str,
5709	&secrets_domain_sid),
5710	sid_to_string(new_sid_str,
5711	&ldap_domain_sid)));
5712
5713	/* reset secrets.tdb sid */
5714	secrets_store_domain_sid(ldap_state->domain_name,
5715	&ldap_domain_sid);
5716	DEBUG(1, ("New global sam SID: %s\n",
5717	sid_to_string(new_sid_str,
5718	get_global_sam_sid())));
5719	}
5720	sid_copy(&ldap_state->domain_sid, &ldap_domain_sid);
5721	}
5722
5723	if (smbldap_get_single_pstring(
5724	ldap_state->smbldap_state->ldap_struct,
5725	entry,
5726	get_attr_key2string( dominfo_attr_list,
5727	LDAP_ATTR_ALGORITHMIC_RID_BASE ),
5728	alg_rid_base_string)) {
5729	alg_rid_base = (uint32)atol(alg_rid_base_string);
5730	if (alg_rid_base != algorithmic_rid_base()) {
5731	DEBUG(0, ("The value of 'algorithmic RID base' has "
5732	"changed since the LDAP\n"
5733	"database was initialised. Aborting. \n"));
5734	ldap_msgfree(result);
5735	return NT_STATUS_UNSUCCESSFUL;
5736	}
5737	}
5738	ldap_msgfree(result);
5739
5740	return NT_STATUS_OK;
5741	}
5742
5743	NTSTATUS pdb_ldap_init(void)
5744	{
5745	NTSTATUS nt_status;
5746	if (!NT_STATUS_IS_OK(nt_status = smb_register_passdb(PASSDB_INTERFACE_VERSION, "ldapsam", pdb_init_ldapsam)))
5747	return nt_status;
5748
5749	if (!NT_STATUS_IS_OK(nt_status = smb_register_passdb(PASSDB_INTERFACE_VERSION, "ldapsam_compat", pdb_init_ldapsam_compat)))
5750	return nt_status;
5751
5752	/* Let pdb_nds register backends */
5753	pdb_nds_init();
5754
5755	return NT_STATUS_OK;
5756	}

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