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source: branches/samba-3.0/source/passdb/passdb.c@ 1071

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Last change on this file since 1071 was 39, checked in by Paul Smedley, 18 years ago
Upgrade source to 3.0.25a
File size: 45.5 KB

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1	/*
2	Unix SMB/CIFS implementation.
3	Password and authentication handling
4	Copyright (C) Jeremy Allison 1996-2001
5	Copyright (C) Luke Kenneth Casson Leighton 1996-1998
6	Copyright (C) Gerald (Jerry) Carter 2000-2006
7	Copyright (C) Andrew Bartlett 2001-2002
8	Copyright (C) Simo Sorce 2003
9	Copyright (C) Volker Lendecke 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	#include "includes.h"
27
28	#undef DBGC_CLASS
29	#define DBGC_CLASS DBGC_PASSDB
30
31	/******************************************************************
32	get the default domain/netbios name to be used when
33	testing authentication. For example, if you connect
34	to a Windows member server using a bogus domain name, the
35	Windows box will map the BOGUS\user to DOMAIN\user. A
36	standalone box will map to WKS\user.
37	******************************************************************/
38
39	const char *my_sam_name(void)
40	{
41	/* standalone servers can only use the local netbios name */
42	if ( lp_server_role() == ROLE_STANDALONE )
43	return global_myname();
44
45	/* Windows domain members default to the DOMAIN
46	name when not specified */
47	return lp_workgroup();
48	}
49
50	/**********************************************************************
51	***********************************************************************/
52
53	static int samu_destroy(struct samu *user)
54	{
55	data_blob_clear_free( &user->lm_pw );
56	data_blob_clear_free( &user->nt_pw );
57
58	if ( user->plaintext_pw )
59	memset( user->plaintext_pw, 0x0, strlen(user->plaintext_pw) );
60
61	return 0;
62	}
63
64	/**********************************************************************
65	generate a new struct samuser
66	***********************************************************************/
67
68	struct samu samu_new( TALLOC_CTX ctx )
69	{
70	struct samu *user;
71
72	if ( !(user = TALLOC_ZERO_P( ctx, struct samu )) ) {
73	DEBUG(0,("samuser_new: Talloc failed!\n"));
74	return NULL;
75	}
76
77	talloc_set_destructor( user, samu_destroy );
78
79	/* no initial methods */
80
81	user->methods = NULL;
82
83	/* Don't change these timestamp settings without a good reason.
84	They are important for NT member server compatibility. */
85
86	user->logon_time = (time_t)0;
87	user->pass_last_set_time = (time_t)0;
88	user->pass_can_change_time = (time_t)0;
89	user->logoff_time = get_time_t_max();
90	user->kickoff_time = get_time_t_max();
91	user->pass_must_change_time = get_time_t_max();
92	user->fields_present = 0x00ffffff;
93	user->logon_divs = 168; /* hours per week */
94	user->hours_len = 21; /* 21 times 8 bits = 168 */
95	memset(user->hours, 0xff, user->hours_len); /* available at all hours */
96	user->bad_password_count = 0;
97	user->logon_count = 0;
98	user->unknown_6 = 0x000004ec; /* don't know */
99
100	/* Some parts of samba strlen their pdb_get...() returns,
101	so this keeps the interface unchanged for now. */
102
103	user->username = "";
104	user->domain = "";
105	user->nt_username = "";
106	user->full_name = "";
107	user->home_dir = "";
108	user->logon_script = "";
109	user->profile_path = "";
110	user->acct_desc = "";
111	user->workstations = "";
112	user->comment = "";
113	user->munged_dial = "";
114
115	user->plaintext_pw = NULL;
116
117	/* Unless we know otherwise have a Account Control Bit
118	value of 'normal user'. This helps User Manager, which
119	asks for a filtered list of users. */
120
121	user->acct_ctrl = ACB_NORMAL;
122
123
124	return user;
125	}
126
127	/*********************************************************************
128	Initialize a struct samu from a struct passwd including the user
129	and group SIDs. The *user structure is filled out with the Unix
130	attributes and a user SID.
131	*********************************************************************/
132
133	static NTSTATUS samu_set_unix_internal(struct samu user, const struct passwd pwd, BOOL create)
134	{
135	const char *guest_account = lp_guestaccount();
136	const char *domain = global_myname();
137	uint32 urid;
138
139	if ( !pwd ) {
140	return NT_STATUS_NO_SUCH_USER;
141	}
142
143	/* Basic properties based upon the Unix account information */
144
145	pdb_set_username(user, pwd->pw_name, PDB_SET);
146	pdb_set_fullname(user, pwd->pw_gecos, PDB_SET);
147	pdb_set_domain (user, get_global_sam_name(), PDB_DEFAULT);
148	#if 0
149	/* This can lead to a primary group of S-1-22-2-XX which
150	will be rejected by other parts of the Samba code.
151	Rely on pdb_get_group_sid() to "Do The Right Thing" (TM)
152	--jerry */
153
154	gid_to_sid(&group_sid, pwd->pw_gid);
155	pdb_set_group_sid(user, &group_sid, PDB_SET);
156	#endif
157
158	/* save the password structure for later use */
159
160	user->unix_pw = tcopy_passwd( user, pwd );
161
162	/* Special case for the guest account which must have a RID of 501 */
163
164	if ( strequal( pwd->pw_name, guest_account ) ) {
165	if ( !pdb_set_user_sid_from_rid(user, DOMAIN_USER_RID_GUEST, PDB_DEFAULT)) {
166	return NT_STATUS_NO_SUCH_USER;
167	}
168	return NT_STATUS_OK;
169	}
170
171	/* Non-guest accounts...Check for a workstation or user account */
172
173	if (pwd->pw_name[strlen(pwd->pw_name)-1] == '$') {
174	/* workstation */
175
176	if (!pdb_set_acct_ctrl(user, ACB_WSTRUST, PDB_DEFAULT)) {
177	DEBUG(1, ("Failed to set 'workstation account' flags for user %s.\n",
178	pwd->pw_name));
179	return NT_STATUS_INVALID_COMPUTER_NAME;
180	}
181	}
182	else {
183	/* user */
184
185	if (!pdb_set_acct_ctrl(user, ACB_NORMAL, PDB_DEFAULT)) {
186	DEBUG(1, ("Failed to set 'normal account' flags for user %s.\n",
187	pwd->pw_name));
188	return NT_STATUS_INVALID_ACCOUNT_NAME;
189	}
190
191	/* set some basic attributes */
192
193	pdb_set_profile_path(user, talloc_sub_specified(user,
194	lp_logon_path(), pwd->pw_name, domain, pwd->pw_uid, pwd->pw_gid),
195	PDB_DEFAULT);
196	pdb_set_homedir(user, talloc_sub_specified(user,
197	lp_logon_home(), pwd->pw_name, domain, pwd->pw_uid, pwd->pw_gid),
198	PDB_DEFAULT);
199	pdb_set_dir_drive(user, talloc_sub_specified(user,
200	lp_logon_drive(), pwd->pw_name, domain, pwd->pw_uid, pwd->pw_gid),
201	PDB_DEFAULT);
202	pdb_set_logon_script(user, talloc_sub_specified(user,
203	lp_logon_script(), pwd->pw_name, domain, pwd->pw_uid, pwd->pw_gid),
204	PDB_DEFAULT);
205	}
206
207	/* Now deal with the user SID. If we have a backend that can generate
208	RIDs, then do so. But sometimes the caller just wanted a structure
209	initialized and will fill in these fields later (such as from a
210	NET_USER_INFO_3 structure) */
211
212	if ( create && !pdb_rid_algorithm() ) {
213	uint32 user_rid;
214	DOM_SID user_sid;
215
216	if ( !pdb_new_rid( &user_rid ) ) {
217	DEBUG(3, ("Could not allocate a new RID\n"));
218	return NT_STATUS_ACCESS_DENIED;
219	}
220
221	sid_copy( &user_sid, get_global_sam_sid() );
222	sid_append_rid( &user_sid, user_rid );
223
224	if ( !pdb_set_user_sid(user, &user_sid, PDB_SET) ) {
225	DEBUG(3, ("pdb_set_user_sid failed\n"));
226	return NT_STATUS_INTERNAL_ERROR;
227	}
228
229	return NT_STATUS_OK;
230	}
231
232	/* generate a SID for the user with the RID algorithm */
233
234	urid = algorithmic_pdb_uid_to_user_rid( user->unix_pw->pw_uid );
235
236	if ( !pdb_set_user_sid_from_rid( user, urid, PDB_SET) ) {
237	return NT_STATUS_INTERNAL_ERROR;
238	}
239
240	return NT_STATUS_OK;
241	}
242
243	/********************************************************************
244	Set the Unix user attributes
245	********************************************************************/
246
247	NTSTATUS samu_set_unix(struct samu user, const struct passwd pwd)
248	{
249	return samu_set_unix_internal( user, pwd, False );
250	}
251
252	NTSTATUS samu_alloc_rid_unix(struct samu user, const struct passwd pwd)
253	{
254	return samu_set_unix_internal( user, pwd, True );
255	}
256
257	/**********************************************************
258	Encode the account control bits into a string.
259	length = length of string to encode into (including terminating
260	null). length MUST BE MORE THAN 2 !
261	**********************************************************/
262
263	char *pdb_encode_acct_ctrl(uint32 acct_ctrl, size_t length)
264	{
265	static fstring acct_str;
266
267	size_t i = 0;
268
269	SMB_ASSERT(length <= sizeof(acct_str));
270
271	acct_str[i++] = '[';
272
273	if (acct_ctrl & ACB_PWNOTREQ ) acct_str[i++] = 'N';
274	if (acct_ctrl & ACB_DISABLED ) acct_str[i++] = 'D';
275	if (acct_ctrl & ACB_HOMDIRREQ) acct_str[i++] = 'H';
276	if (acct_ctrl & ACB_TEMPDUP ) acct_str[i++] = 'T';
277	if (acct_ctrl & ACB_NORMAL ) acct_str[i++] = 'U';
278	if (acct_ctrl & ACB_MNS ) acct_str[i++] = 'M';
279	if (acct_ctrl & ACB_WSTRUST ) acct_str[i++] = 'W';
280	if (acct_ctrl & ACB_SVRTRUST ) acct_str[i++] = 'S';
281	if (acct_ctrl & ACB_AUTOLOCK ) acct_str[i++] = 'L';
282	if (acct_ctrl & ACB_PWNOEXP ) acct_str[i++] = 'X';
283	if (acct_ctrl & ACB_DOMTRUST ) acct_str[i++] = 'I';
284
285	for ( ; i < length - 2 ; i++ )
286	acct_str[i] = ' ';
287
288	i = length - 2;
289	acct_str[i++] = ']';
290	acct_str[i++] = '\0';
291
292	return acct_str;
293	}
294
295	/**********************************************************
296	Decode the account control bits from a string.
297	**********************************************************/
298
299	uint32 pdb_decode_acct_ctrl(const char *p)
300	{
301	uint32 acct_ctrl = 0;
302	BOOL finished = False;
303
304	/*
305	* Check if the account type bits have been encoded after the
306	* NT password (in the form [NDHTUWSLXI]).
307	*/
308
309	if (*p != '[')
310	return 0;
311
312	for (p++; *p && !finished; p++) {
313	switch (*p) {
314	case 'N': { acct_ctrl \|= ACB_PWNOTREQ ; break; /* 'N'o password. */ }
315	case 'D': { acct_ctrl \|= ACB_DISABLED ; break; /* 'D'isabled. */ }
316	case 'H': { acct_ctrl \|= ACB_HOMDIRREQ; break; /* 'H'omedir required. */ }
317	case 'T': { acct_ctrl \|= ACB_TEMPDUP ; break; /* 'T'emp account. */ }
318	case 'U': { acct_ctrl \|= ACB_NORMAL ; break; /* 'U'ser account (normal). */ }
319	case 'M': { acct_ctrl \|= ACB_MNS ; break; /* 'M'NS logon user account. What is this ? */ }
320	case 'W': { acct_ctrl \|= ACB_WSTRUST ; break; /* 'W'orkstation account. */ }
321	case 'S': { acct_ctrl \|= ACB_SVRTRUST ; break; /* 'S'erver account. */ }
322	case 'L': { acct_ctrl \|= ACB_AUTOLOCK ; break; /* 'L'ocked account. */ }
323	case 'X': { acct_ctrl \|= ACB_PWNOEXP ; break; /* No 'X'piry on password */ }
324	case 'I': { acct_ctrl \|= ACB_DOMTRUST ; break; /* 'I'nterdomain trust account. */ }
325	case ' ': { break; }
326	case ':':
327	case '\n':
328	case '\0':
329	case ']':
330	default: { finished = True; }
331	}
332	}
333
334	return acct_ctrl;
335	}
336
337	/*************************************************************
338	Routine to set 32 hex password characters from a 16 byte array.
339	**************************************************************/
340
341	void pdb_sethexpwd(char p, const unsigned char pwd, uint32 acct_ctrl)
342	{
343	if (pwd != NULL) {
344	int i;
345	for (i = 0; i < 16; i++)
346	slprintf(&p[i*2], 3, "%02X", pwd[i]);
347	} else {
348	if (acct_ctrl & ACB_PWNOTREQ)
349	safe_strcpy(p, "NO PASSWORDXXXXXXXXXXXXXXXXXXXXX", 32);
350	else
351	safe_strcpy(p, "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX", 32);
352	}
353	}
354
355	/*************************************************************
356	Routine to get the 32 hex characters and turn them
357	into a 16 byte array.
358	**************************************************************/
359
360	BOOL pdb_gethexpwd(const char p, unsigned char pwd)
361	{
362	int i;
363	unsigned char lonybble, hinybble;
364	const char *hexchars = "0123456789ABCDEF";
365	char p1, p2;
366
367	if (!p)
368	return (False);
369
370	for (i = 0; i < 32; i += 2) {
371	hinybble = toupper_ascii(p[i]);
372	lonybble = toupper_ascii(p[i + 1]);
373
374	p1 = strchr(hexchars, hinybble);
375	p2 = strchr(hexchars, lonybble);
376
377	if (!p1 \|\| !p2)
378	return (False);
379
380	hinybble = PTR_DIFF(p1, hexchars);
381	lonybble = PTR_DIFF(p2, hexchars);
382
383	pwd[i / 2] = (hinybble << 4) \| lonybble;
384	}
385	return (True);
386	}
387
388	/*************************************************************
389	Routine to set 42 hex hours characters from a 21 byte array.
390	**************************************************************/
391
392	void pdb_sethexhours(char p, const unsigned char hours)
393	{
394	if (hours != NULL) {
395	int i;
396	for (i = 0; i < 21; i++) {
397	slprintf(&p[i*2], 3, "%02X", hours[i]);
398	}
399	} else {
400	safe_strcpy(p, "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF", 43);
401	}
402	}
403
404	/*************************************************************
405	Routine to get the 42 hex characters and turn them
406	into a 21 byte array.
407	**************************************************************/
408
409	BOOL pdb_gethexhours(const char p, unsigned char hours)
410	{
411	int i;
412	unsigned char lonybble, hinybble;
413	const char *hexchars = "0123456789ABCDEF";
414	char p1, p2;
415
416	if (!p) {
417	return (False);
418	}
419
420	for (i = 0; i < 42; i += 2) {
421	hinybble = toupper_ascii(p[i]);
422	lonybble = toupper_ascii(p[i + 1]);
423
424	p1 = strchr(hexchars, hinybble);
425	p2 = strchr(hexchars, lonybble);
426
427	if (!p1 \|\| !p2) {
428	return (False);
429	}
430
431	hinybble = PTR_DIFF(p1, hexchars);
432	lonybble = PTR_DIFF(p2, hexchars);
433
434	hours[i / 2] = (hinybble << 4) \| lonybble;
435	}
436	return (True);
437	}
438
439	/********************************************************************
440	********************************************************************/
441
442	int algorithmic_rid_base(void)
443	{
444	static int rid_offset = 0;
445
446	if (rid_offset != 0)
447	return rid_offset;
448
449	rid_offset = lp_algorithmic_rid_base();
450
451	if (rid_offset < BASE_RID) {
452	/* Try to prevent admin foot-shooting, we can't put algorithmic
453	rids below 1000, that's the 'well known RIDs' on NT */
454	DEBUG(0, ("'algorithmic rid base' must be equal to or above %ld\n", BASE_RID));
455	rid_offset = BASE_RID;
456	}
457	if (rid_offset & 1) {
458	DEBUG(0, ("algorithmic rid base must be even\n"));
459	rid_offset += 1;
460	}
461	return rid_offset;
462	}
463
464	/*******************************************************************
465	Converts NT user RID to a UNIX uid.
466	********************************************************************/
467
468	uid_t algorithmic_pdb_user_rid_to_uid(uint32 user_rid)
469	{
470	int rid_offset = algorithmic_rid_base();
471	return (uid_t)(((user_rid & (~USER_RID_TYPE)) - rid_offset)/RID_MULTIPLIER);
472	}
473
474	uid_t max_algorithmic_uid(void)
475	{
476	return algorithmic_pdb_user_rid_to_uid(0xfffffffe);
477	}
478
479	/*******************************************************************
480	converts UNIX uid to an NT User RID.
481	********************************************************************/
482
483	uint32 algorithmic_pdb_uid_to_user_rid(uid_t uid)
484	{
485	int rid_offset = algorithmic_rid_base();
486	return (((((uint32)uid)*RID_MULTIPLIER) + rid_offset) \| USER_RID_TYPE);
487	}
488
489	/*******************************************************************
490	Converts NT group RID to a UNIX gid.
491	********************************************************************/
492
493	gid_t pdb_group_rid_to_gid(uint32 group_rid)
494	{
495	int rid_offset = algorithmic_rid_base();
496	return (gid_t)(((group_rid & (~GROUP_RID_TYPE))- rid_offset)/RID_MULTIPLIER);
497	}
498
499	gid_t max_algorithmic_gid(void)
500	{
501	return pdb_group_rid_to_gid(0xffffffff);
502	}
503
504	/*******************************************************************
505	converts NT Group RID to a UNIX uid.
506
507	warning: you must not call that function only
508	you must do a call to the group mapping first.
509	there is not anymore a direct link between the gid and the rid.
510	********************************************************************/
511
512	uint32 algorithmic_pdb_gid_to_group_rid(gid_t gid)
513	{
514	int rid_offset = algorithmic_rid_base();
515	return (((((uint32)gid)*RID_MULTIPLIER) + rid_offset) \| GROUP_RID_TYPE);
516	}
517
518	/*******************************************************************
519	Decides if a RID is a well known RID.
520	********************************************************************/
521
522	static BOOL rid_is_well_known(uint32 rid)
523	{
524	/* Not using rid_offset here, because this is the actual
525	NT fixed value (1000) */
526
527	return (rid < BASE_RID);
528	}
529
530	/*******************************************************************
531	Decides if a RID is a user or group RID.
532	********************************************************************/
533
534	BOOL algorithmic_pdb_rid_is_user(uint32 rid)
535	{
536	if ( rid_is_well_known(rid) ) {
537	/*
538	* The only well known user RIDs are DOMAIN_USER_RID_ADMIN
539	* and DOMAIN_USER_RID_GUEST.
540	*/
541	if(rid == DOMAIN_USER_RID_ADMIN \|\| rid == DOMAIN_USER_RID_GUEST)
542	return True;
543	} else if((rid & RID_TYPE_MASK) == USER_RID_TYPE) {
544	return True;
545	}
546	return False;
547	}
548
549	/*******************************************************************
550	Convert a name into a SID. Used in the lookup name rpc.
551	********************************************************************/
552
553	BOOL lookup_global_sam_name(const char user, int flags, uint32_t rid,
554	enum lsa_SidType *type)
555	{
556	GROUP_MAP map;
557	BOOL ret;
558
559	/* Windows treats "MACHINE\None" as a special name for
560	rid 513 on non-DCs. You cannot create a user or group
561	name "None" on Windows. You will get an error that
562	the group already exists. */
563
564	if ( strequal( user, "None" ) ) {
565	*rid = DOMAIN_GROUP_RID_USERS;
566	*type = SID_NAME_DOM_GRP;
567
568	return True;
569	}
570
571	/* LOOKUP_NAME_GROUP is a hack to allow valid users = @foo to work
572	* correctly in the case where foo also exists as a user. If the flag
573	* is set, don't look for users at all. */
574
575	if ((flags & LOOKUP_NAME_GROUP) == 0) {
576	struct samu *sam_account = NULL;
577	DOM_SID user_sid;
578
579	if ( !(sam_account = samu_new( NULL )) ) {
580	return False;
581	}
582
583	become_root();
584	ret = pdb_getsampwnam(sam_account, user);
585	unbecome_root();
586
587	if (ret) {
588	sid_copy(&user_sid, pdb_get_user_sid(sam_account));
589	}
590
591	TALLOC_FREE(sam_account);
592
593	if (ret) {
594	if (!sid_check_is_in_our_domain(&user_sid)) {
595	DEBUG(0, ("User %s with invalid SID %s in passdb\n",
596	user, sid_string_static(&user_sid)));
597	return False;
598	}
599
600	sid_peek_rid(&user_sid, rid);
601	*type = SID_NAME_USER;
602	return True;
603	}
604	}
605
606	/*
607	* Maybe it is a group ?
608	*/
609
610	become_root();
611	ret = pdb_getgrnam(&map, user);
612	unbecome_root();
613
614	if (!ret) {
615	return False;
616	}
617
618	/* BUILTIN groups are looked up elsewhere */
619	if (!sid_check_is_in_our_domain(&map.sid)) {
620	DEBUG(10, ("Found group %s (%s) not in our domain -- "
621	"ignoring.", user,
622	sid_string_static(&map.sid)));
623	return False;
624	}
625
626	/* yes it's a mapped group */
627	sid_peek_rid(&map.sid, rid);
628	*type = map.sid_name_use;
629	return True;
630	}
631
632	/*************************************************************
633	Change a password entry in the local smbpasswd file.
634	*************************************************************/
635
636	NTSTATUS local_password_change(const char *user_name, int local_flags,
637	const char *new_passwd,
638	char *err_str, size_t err_str_len,
639	char *msg_str, size_t msg_str_len)
640	{
641	struct samu *sam_pass=NULL;
642	uint32 other_acb;
643	NTSTATUS result;
644
645	*err_str = '\0';
646	*msg_str = '\0';
647
648	/* Get the smb passwd entry for this user */
649
650	if ( !(sam_pass = samu_new( NULL )) ) {
651	return NT_STATUS_NO_MEMORY;
652	}
653
654	become_root();
655	if(!pdb_getsampwnam(sam_pass, user_name)) {
656	unbecome_root();
657	TALLOC_FREE(sam_pass);
658
659	if ((local_flags & LOCAL_ADD_USER) \|\| (local_flags & LOCAL_DELETE_USER)) {
660	int tmp_debug = DEBUGLEVEL;
661	struct passwd *pwd;
662
663	/* Might not exist in /etc/passwd. */
664
665	if (tmp_debug < 1) {
666	DEBUGLEVEL = 1;
667	}
668
669	if ( !(pwd = getpwnam_alloc( NULL, user_name)) ) {
670	return NT_STATUS_NO_SUCH_USER;
671	}
672
673	/* create the struct samu and initialize the basic Unix properties */
674
675	if ( !(sam_pass = samu_new( NULL )) ) {
676	return NT_STATUS_NO_MEMORY;
677	}
678
679	result = samu_set_unix( sam_pass, pwd );
680
681	DEBUGLEVEL = tmp_debug;
682
683	TALLOC_FREE( pwd );
684
685	if (NT_STATUS_EQUAL(result, NT_STATUS_INVALID_PRIMARY_GROUP)) {
686	return result;
687	}
688
689	if (!NT_STATUS_IS_OK(result)) {
690	slprintf(err_str, err_str_len-1, "Failed to " "initialize account for user %s: %s\n",
691	user_name, nt_errstr(result));
692	return result;
693	}
694	} else {
695	slprintf(err_str, err_str_len-1,"Failed to find entry for user %s.\n", user_name);
696	return NT_STATUS_NO_SUCH_USER;
697	}
698	} else {
699	unbecome_root();
700	/* the entry already existed */
701	local_flags &= ~LOCAL_ADD_USER;
702	}
703
704	/* the 'other' acb bits not being changed here */
705	other_acb = (pdb_get_acct_ctrl(sam_pass) & (~(ACB_WSTRUST\|ACB_DOMTRUST\|ACB_SVRTRUST\|ACB_NORMAL)));
706	if (local_flags & LOCAL_TRUST_ACCOUNT) {
707	if (!pdb_set_acct_ctrl(sam_pass, ACB_WSTRUST \| other_acb, PDB_CHANGED) ) {
708	slprintf(err_str, err_str_len - 1, "Failed to set 'trusted workstation account' flags for user %s.\n", user_name);
709	TALLOC_FREE(sam_pass);
710	return NT_STATUS_UNSUCCESSFUL;
711	}
712	} else if (local_flags & LOCAL_INTERDOM_ACCOUNT) {
713	if (!pdb_set_acct_ctrl(sam_pass, ACB_DOMTRUST \| other_acb, PDB_CHANGED)) {
714	slprintf(err_str, err_str_len - 1, "Failed to set 'domain trust account' flags for user %s.\n", user_name);
715	TALLOC_FREE(sam_pass);
716	return NT_STATUS_UNSUCCESSFUL;
717	}
718	} else {
719	if (!pdb_set_acct_ctrl(sam_pass, ACB_NORMAL \| other_acb, PDB_CHANGED)) {
720	slprintf(err_str, err_str_len - 1, "Failed to set 'normal account' flags for user %s.\n", user_name);
721	TALLOC_FREE(sam_pass);
722	return NT_STATUS_UNSUCCESSFUL;
723	}
724	}
725
726	/*
727	* We are root - just write the new password
728	* and the valid last change time.
729	*/
730
731	if (local_flags & LOCAL_DISABLE_USER) {
732	if (!pdb_set_acct_ctrl (sam_pass, pdb_get_acct_ctrl(sam_pass)\|ACB_DISABLED, PDB_CHANGED)) {
733	slprintf(err_str, err_str_len-1, "Failed to set 'disabled' flag for user %s.\n", user_name);
734	TALLOC_FREE(sam_pass);
735	return NT_STATUS_UNSUCCESSFUL;
736	}
737	} else if (local_flags & LOCAL_ENABLE_USER) {
738	if (!pdb_set_acct_ctrl (sam_pass, pdb_get_acct_ctrl(sam_pass)&(~ACB_DISABLED), PDB_CHANGED)) {
739	slprintf(err_str, err_str_len-1, "Failed to unset 'disabled' flag for user %s.\n", user_name);
740	TALLOC_FREE(sam_pass);
741	return NT_STATUS_UNSUCCESSFUL;
742	}
743	}
744
745	if (local_flags & LOCAL_SET_NO_PASSWORD) {
746	if (!pdb_set_acct_ctrl (sam_pass, pdb_get_acct_ctrl(sam_pass)\|ACB_PWNOTREQ, PDB_CHANGED)) {
747	slprintf(err_str, err_str_len-1, "Failed to set 'no password required' flag for user %s.\n", user_name);
748	TALLOC_FREE(sam_pass);
749	return NT_STATUS_UNSUCCESSFUL;
750	}
751	} else if (local_flags & LOCAL_SET_PASSWORD) {
752	/*
753	* If we're dealing with setting a completely empty user account
754	* ie. One with a password of 'XXXX', but not set disabled (like
755	* an account created from scratch) then if the old password was
756	* 'XX's then getsmbpwent will have set the ACB_DISABLED flag.
757	* We remove that as we're giving this user their first password
758	* and the decision hasn't really been made to disable them (ie.
759	* don't create them disabled). JRA.
760	*/
761	if ((pdb_get_lanman_passwd(sam_pass)==NULL) && (pdb_get_acct_ctrl(sam_pass)&ACB_DISABLED)) {
762	if (!pdb_set_acct_ctrl (sam_pass, pdb_get_acct_ctrl(sam_pass)&(~ACB_DISABLED), PDB_CHANGED)) {
763	slprintf(err_str, err_str_len-1, "Failed to unset 'disabled' flag for user %s.\n", user_name);
764	TALLOC_FREE(sam_pass);
765	return NT_STATUS_UNSUCCESSFUL;
766	}
767	}
768	if (!pdb_set_acct_ctrl (sam_pass, pdb_get_acct_ctrl(sam_pass)&(~ACB_PWNOTREQ), PDB_CHANGED)) {
769	slprintf(err_str, err_str_len-1, "Failed to unset 'no password required' flag for user %s.\n", user_name);
770	TALLOC_FREE(sam_pass);
771	return NT_STATUS_UNSUCCESSFUL;
772	}
773
774	if (!pdb_set_plaintext_passwd (sam_pass, new_passwd)) {
775	slprintf(err_str, err_str_len-1, "Failed to set password for user %s.\n", user_name);
776	TALLOC_FREE(sam_pass);
777	return NT_STATUS_UNSUCCESSFUL;
778	}
779	}
780
781	if (local_flags & LOCAL_ADD_USER) {
782	if (NT_STATUS_IS_OK(pdb_add_sam_account(sam_pass))) {
783	slprintf(msg_str, msg_str_len-1, "Added user %s.\n", user_name);
784	TALLOC_FREE(sam_pass);
785	return NT_STATUS_OK;
786	} else {
787	slprintf(err_str, err_str_len-1, "Failed to add entry for user %s.\n", user_name);
788	TALLOC_FREE(sam_pass);
789	return NT_STATUS_UNSUCCESSFUL;
790	}
791	} else if (local_flags & LOCAL_DELETE_USER) {
792	if (!NT_STATUS_IS_OK(pdb_delete_sam_account(sam_pass))) {
793	slprintf(err_str,err_str_len-1, "Failed to delete entry for user %s.\n", user_name);
794	TALLOC_FREE(sam_pass);
795	return NT_STATUS_UNSUCCESSFUL;
796	}
797	slprintf(msg_str, msg_str_len-1, "Deleted user %s.\n", user_name);
798	} else {
799	result = pdb_update_sam_account(sam_pass);
800	if(!NT_STATUS_IS_OK(result)) {
801	slprintf(err_str, err_str_len-1, "Failed to modify entry for user %s.\n", user_name);
802	TALLOC_FREE(sam_pass);
803	return result;
804	}
805	if(local_flags & LOCAL_DISABLE_USER)
806	slprintf(msg_str, msg_str_len-1, "Disabled user %s.\n", user_name);
807	else if (local_flags & LOCAL_ENABLE_USER)
808	slprintf(msg_str, msg_str_len-1, "Enabled user %s.\n", user_name);
809	else if (local_flags & LOCAL_SET_NO_PASSWORD)
810	slprintf(msg_str, msg_str_len-1, "User %s password set to none.\n", user_name);
811	}
812
813	TALLOC_FREE(sam_pass);
814	return NT_STATUS_OK;
815	}
816
817	/**********************************************************************
818	Marshall/unmarshall struct samu structs.
819	*********************************************************************/
820
821	#define TDB_FORMAT_STRING_V3 "dddddddBBBBBBBBBBBBddBBBdwdBwwd"
822
823	/*********************************************************************
824	*********************************************************************/
825
826	BOOL init_sam_from_buffer_v3(struct samu sampass, uint8 buf, uint32 buflen)
827	{
828
829	/* times are stored as 32bit integer
830	take care on system with 64bit wide time_t
831	--SSS */
832	uint32 logon_time,
833	logoff_time,
834	kickoff_time,
835	bad_password_time,
836	pass_last_set_time,
837	pass_can_change_time,
838	pass_must_change_time;
839	char *username = NULL;
840	char *domain = NULL;
841	char *nt_username = NULL;
842	char *dir_drive = NULL;
843	char *unknown_str = NULL;
844	char *munged_dial = NULL;
845	char *fullname = NULL;
846	char *homedir = NULL;
847	char *logon_script = NULL;
848	char *profile_path = NULL;
849	char *acct_desc = NULL;
850	char *workstations = NULL;
851	uint32 username_len, domain_len, nt_username_len,
852	dir_drive_len, unknown_str_len, munged_dial_len,
853	fullname_len, homedir_len, logon_script_len,
854	profile_path_len, acct_desc_len, workstations_len;
855
856	uint32 user_rid, group_rid, hours_len, unknown_6, acct_ctrl;
857	uint16 logon_divs;
858	uint16 bad_password_count, logon_count;
859	uint8 *hours = NULL;
860	uint8 lm_pw_ptr = NULL, nt_pw_ptr = NULL, *nt_pw_hist_ptr = NULL;
861	uint32 len = 0;
862	uint32 lm_pw_len, nt_pw_len, nt_pw_hist_len, hourslen;
863	uint32 pwHistLen = 0;
864	BOOL ret = True;
865	fstring tmpstring;
866	BOOL expand_explicit = lp_passdb_expand_explicit();
867
868	if(sampass == NULL \|\| buf == NULL) {
869	DEBUG(0, ("init_sam_from_buffer_v3: NULL parameters found!\n"));
870	return False;
871	}
872
873	/* TDB_FORMAT_STRING_V3 "dddddddBBBBBBBBBBBBddBBBdwdBwwd" */
874
875	/* unpack the buffer into variables */
876	len = tdb_unpack ((char *)buf, buflen, TDB_FORMAT_STRING_V3,
877	&logon_time, /* d */
878	&logoff_time, /* d */
879	&kickoff_time, /* d */
880	&bad_password_time, /* d */
881	&pass_last_set_time, /* d */
882	&pass_can_change_time, /* d */
883	&pass_must_change_time, /* d */
884	&username_len, &username, /* B */
885	&domain_len, &domain, /* B */
886	&nt_username_len, &nt_username, /* B */
887	&fullname_len, &fullname, /* B */
888	&homedir_len, &homedir, /* B */
889	&dir_drive_len, &dir_drive, /* B */
890	&logon_script_len, &logon_script, /* B */
891	&profile_path_len, &profile_path, /* B */
892	&acct_desc_len, &acct_desc, /* B */
893	&workstations_len, &workstations, /* B */
894	&unknown_str_len, &unknown_str, /* B */
895	&munged_dial_len, &munged_dial, /* B */
896	&user_rid, /* d */
897	&group_rid, /* d */
898	&lm_pw_len, &lm_pw_ptr, /* B */
899	&nt_pw_len, &nt_pw_ptr, /* B */
900	/* Change from V1 is addition of password history field. */
901	&nt_pw_hist_len, &nt_pw_hist_ptr, /* B */
902	/* Change from V2 is the uint32 acb_mask */
903	&acct_ctrl, /* d */
904	/* Also "remove_me" field was removed. */
905	&logon_divs, /* w */
906	&hours_len, /* d */
907	&hourslen, &hours, /* B */
908	&bad_password_count, /* w */
909	&logon_count, /* w */
910	&unknown_6); /* d */
911
912	if (len == (uint32) -1) {
913	ret = False;
914	goto done;
915	}
916
917	pdb_set_logon_time(sampass, convert_uint32_to_time_t(logon_time), PDB_SET);
918	pdb_set_logoff_time(sampass, convert_uint32_to_time_t(logoff_time), PDB_SET);
919	pdb_set_kickoff_time(sampass, convert_uint32_to_time_t(kickoff_time), PDB_SET);
920	pdb_set_bad_password_time(sampass, convert_uint32_to_time_t(bad_password_time), PDB_SET);
921	pdb_set_pass_can_change_time(sampass, convert_uint32_to_time_t(pass_can_change_time), PDB_SET);
922	pdb_set_pass_must_change_time(sampass, convert_uint32_to_time_t(pass_must_change_time), PDB_SET);
923	pdb_set_pass_last_set_time(sampass, convert_uint32_to_time_t(pass_last_set_time), PDB_SET);
924
925	pdb_set_username(sampass, username, PDB_SET);
926	pdb_set_domain(sampass, domain, PDB_SET);
927	pdb_set_nt_username(sampass, nt_username, PDB_SET);
928	pdb_set_fullname(sampass, fullname, PDB_SET);
929
930	if (homedir) {
931	fstrcpy( tmpstring, homedir );
932	if (expand_explicit) {
933	standard_sub_basic( username, domain, tmpstring,
934	sizeof(tmpstring) );
935	}
936	pdb_set_homedir(sampass, tmpstring, PDB_SET);
937	}
938	else {
939	pdb_set_homedir(sampass,
940	talloc_sub_basic(sampass, username, domain,
941	lp_logon_home()),
942	PDB_DEFAULT);
943	}
944
945	if (dir_drive)
946	pdb_set_dir_drive(sampass, dir_drive, PDB_SET);
947	else
948	pdb_set_dir_drive(sampass, lp_logon_drive(), PDB_DEFAULT );
949
950	if (logon_script) {
951	fstrcpy( tmpstring, logon_script );
952	if (expand_explicit) {
953	standard_sub_basic( username, domain, tmpstring,
954	sizeof(tmpstring) );
955	}
956	pdb_set_logon_script(sampass, tmpstring, PDB_SET);
957	}
958	else {
959	pdb_set_logon_script(sampass,
960	talloc_sub_basic(sampass, username, domain,
961	lp_logon_script()),
962	PDB_DEFAULT);
963	}
964
965	if (profile_path) {
966	fstrcpy( tmpstring, profile_path );
967	if (expand_explicit) {
968	standard_sub_basic( username, domain, tmpstring,
969	sizeof(tmpstring) );
970	}
971	pdb_set_profile_path(sampass, tmpstring, PDB_SET);
972	}
973	else {
974	pdb_set_profile_path(sampass,
975	talloc_sub_basic(sampass, username, domain, lp_logon_path()),
976	PDB_DEFAULT);
977	}
978
979	pdb_set_acct_desc(sampass, acct_desc, PDB_SET);
980	pdb_set_workstations(sampass, workstations, PDB_SET);
981	pdb_set_munged_dial(sampass, munged_dial, PDB_SET);
982
983	if (lm_pw_ptr && lm_pw_len == LM_HASH_LEN) {
984	if (!pdb_set_lanman_passwd(sampass, lm_pw_ptr, PDB_SET)) {
985	ret = False;
986	goto done;
987	}
988	}
989
990	if (nt_pw_ptr && nt_pw_len == NT_HASH_LEN) {
991	if (!pdb_set_nt_passwd(sampass, nt_pw_ptr, PDB_SET)) {
992	ret = False;
993	goto done;
994	}
995	}
996
997	pdb_get_account_policy(AP_PASSWORD_HISTORY, &pwHistLen);
998	if (pwHistLen) {
999	uint8 pw_hist = (uint8 )SMB_MALLOC(pwHistLen * PW_HISTORY_ENTRY_LEN);
1000	if (!pw_hist) {
1001	ret = False;
1002	goto done;
1003	}
1004	memset(pw_hist, '\0', pwHistLen * PW_HISTORY_ENTRY_LEN);
1005	if (nt_pw_hist_ptr && nt_pw_hist_len) {
1006	int i;
1007	SMB_ASSERT((nt_pw_hist_len % PW_HISTORY_ENTRY_LEN) == 0);
1008	nt_pw_hist_len /= PW_HISTORY_ENTRY_LEN;
1009	for (i = 0; (i < pwHistLen) && (i < nt_pw_hist_len); i++) {
1010	memcpy(&pw_hist[i*PW_HISTORY_ENTRY_LEN],
1011	&nt_pw_hist_ptr[i*PW_HISTORY_ENTRY_LEN],
1012	PW_HISTORY_ENTRY_LEN);
1013	}
1014	}
1015	if (!pdb_set_pw_history(sampass, pw_hist, pwHistLen, PDB_SET)) {
1016	SAFE_FREE(pw_hist);
1017	ret = False;
1018	goto done;
1019	}
1020	SAFE_FREE(pw_hist);
1021	} else {
1022	pdb_set_pw_history(sampass, NULL, 0, PDB_SET);
1023	}
1024
1025	pdb_set_user_sid_from_rid(sampass, user_rid, PDB_SET);
1026	pdb_set_hours_len(sampass, hours_len, PDB_SET);
1027	pdb_set_bad_password_count(sampass, bad_password_count, PDB_SET);
1028	pdb_set_logon_count(sampass, logon_count, PDB_SET);
1029	pdb_set_unknown_6(sampass, unknown_6, PDB_SET);
1030	/* Change from V2 is the uint32 acct_ctrl */
1031	pdb_set_acct_ctrl(sampass, acct_ctrl, PDB_SET);
1032	pdb_set_logon_divs(sampass, logon_divs, PDB_SET);
1033	pdb_set_hours(sampass, hours, PDB_SET);
1034
1035	done:
1036
1037	SAFE_FREE(username);
1038	SAFE_FREE(domain);
1039	SAFE_FREE(nt_username);
1040	SAFE_FREE(fullname);
1041	SAFE_FREE(homedir);
1042	SAFE_FREE(dir_drive);
1043	SAFE_FREE(logon_script);
1044	SAFE_FREE(profile_path);
1045	SAFE_FREE(acct_desc);
1046	SAFE_FREE(workstations);
1047	SAFE_FREE(munged_dial);
1048	SAFE_FREE(unknown_str);
1049	SAFE_FREE(lm_pw_ptr);
1050	SAFE_FREE(nt_pw_ptr);
1051	SAFE_FREE(nt_pw_hist_ptr);
1052	SAFE_FREE(hours);
1053
1054	return ret;
1055	}
1056
1057	/*********************************************************************
1058	*********************************************************************/
1059
1060	uint32 init_buffer_from_sam_v3 (uint8 *buf, struct samu sampass, BOOL size_only)
1061	{
1062	size_t len, buflen;
1063
1064	/* times are stored as 32bit integer
1065	take care on system with 64bit wide time_t
1066	--SSS */
1067	uint32 logon_time,
1068	logoff_time,
1069	kickoff_time,
1070	bad_password_time,
1071	pass_last_set_time,
1072	pass_can_change_time,
1073	pass_must_change_time;
1074
1075	uint32 user_rid, group_rid;
1076
1077	const char *username;
1078	const char *domain;
1079	const char *nt_username;
1080	const char *dir_drive;
1081	const char *unknown_str;
1082	const char *munged_dial;
1083	const char *fullname;
1084	const char *homedir;
1085	const char *logon_script;
1086	const char *profile_path;
1087	const char *acct_desc;
1088	const char *workstations;
1089	uint32 username_len, domain_len, nt_username_len,
1090	dir_drive_len, unknown_str_len, munged_dial_len,
1091	fullname_len, homedir_len, logon_script_len,
1092	profile_path_len, acct_desc_len, workstations_len;
1093
1094	const uint8 *lm_pw;
1095	const uint8 *nt_pw;
1096	const uint8 *nt_pw_hist;
1097	uint32 lm_pw_len = 16;
1098	uint32 nt_pw_len = 16;
1099	uint32 nt_pw_hist_len;
1100	uint32 pwHistLen = 0;
1101
1102	*buf = NULL;
1103	buflen = 0;
1104
1105	logon_time = convert_time_t_to_uint32(pdb_get_logon_time(sampass));
1106	logoff_time = convert_time_t_to_uint32(pdb_get_logoff_time(sampass));
1107	kickoff_time = convert_time_t_to_uint32(pdb_get_kickoff_time(sampass));
1108	bad_password_time = convert_time_t_to_uint32(pdb_get_bad_password_time(sampass));
1109	pass_can_change_time = convert_time_t_to_uint32(pdb_get_pass_can_change_time_noncalc(sampass));
1110	pass_must_change_time = convert_time_t_to_uint32(pdb_get_pass_must_change_time(sampass));
1111	pass_last_set_time = convert_time_t_to_uint32(pdb_get_pass_last_set_time(sampass));
1112
1113	user_rid = pdb_get_user_rid(sampass);
1114	group_rid = pdb_get_group_rid(sampass);
1115
1116	username = pdb_get_username(sampass);
1117	if (username) {
1118	username_len = strlen(username) +1;
1119	} else {
1120	username_len = 0;
1121	}
1122
1123	domain = pdb_get_domain(sampass);
1124	if (domain) {
1125	domain_len = strlen(domain) +1;
1126	} else {
1127	domain_len = 0;
1128	}
1129
1130	nt_username = pdb_get_nt_username(sampass);
1131	if (nt_username) {
1132	nt_username_len = strlen(nt_username) +1;
1133	} else {
1134	nt_username_len = 0;
1135	}
1136
1137	fullname = pdb_get_fullname(sampass);
1138	if (fullname) {
1139	fullname_len = strlen(fullname) +1;
1140	} else {
1141	fullname_len = 0;
1142	}
1143
1144	/*
1145	* Only updates fields which have been set (not defaults from smb.conf)
1146	*/
1147
1148	if (!IS_SAM_DEFAULT(sampass, PDB_DRIVE)) {
1149	dir_drive = pdb_get_dir_drive(sampass);
1150	} else {
1151	dir_drive = NULL;
1152	}
1153	if (dir_drive) {
1154	dir_drive_len = strlen(dir_drive) +1;
1155	} else {
1156	dir_drive_len = 0;
1157	}
1158
1159	if (!IS_SAM_DEFAULT(sampass, PDB_SMBHOME)) {
1160	homedir = pdb_get_homedir(sampass);
1161	} else {
1162	homedir = NULL;
1163	}
1164	if (homedir) {
1165	homedir_len = strlen(homedir) +1;
1166	} else {
1167	homedir_len = 0;
1168	}
1169
1170	if (!IS_SAM_DEFAULT(sampass, PDB_LOGONSCRIPT)) {
1171	logon_script = pdb_get_logon_script(sampass);
1172	} else {
1173	logon_script = NULL;
1174	}
1175	if (logon_script) {
1176	logon_script_len = strlen(logon_script) +1;
1177	} else {
1178	logon_script_len = 0;
1179	}
1180
1181	if (!IS_SAM_DEFAULT(sampass, PDB_PROFILE)) {
1182	profile_path = pdb_get_profile_path(sampass);
1183	} else {
1184	profile_path = NULL;
1185	}
1186	if (profile_path) {
1187	profile_path_len = strlen(profile_path) +1;
1188	} else {
1189	profile_path_len = 0;
1190	}
1191
1192	lm_pw = pdb_get_lanman_passwd(sampass);
1193	if (!lm_pw) {
1194	lm_pw_len = 0;
1195	}
1196
1197	nt_pw = pdb_get_nt_passwd(sampass);
1198	if (!nt_pw) {
1199	nt_pw_len = 0;
1200	}
1201
1202	pdb_get_account_policy(AP_PASSWORD_HISTORY, &pwHistLen);
1203	nt_pw_hist = pdb_get_pw_history(sampass, &nt_pw_hist_len);
1204	if (pwHistLen && nt_pw_hist && nt_pw_hist_len) {
1205	nt_pw_hist_len *= PW_HISTORY_ENTRY_LEN;
1206	} else {
1207	nt_pw_hist_len = 0;
1208	}
1209
1210	acct_desc = pdb_get_acct_desc(sampass);
1211	if (acct_desc) {
1212	acct_desc_len = strlen(acct_desc) +1;
1213	} else {
1214	acct_desc_len = 0;
1215	}
1216
1217	workstations = pdb_get_workstations(sampass);
1218	if (workstations) {
1219	workstations_len = strlen(workstations) +1;
1220	} else {
1221	workstations_len = 0;
1222	}
1223
1224	unknown_str = NULL;
1225	unknown_str_len = 0;
1226
1227	munged_dial = pdb_get_munged_dial(sampass);
1228	if (munged_dial) {
1229	munged_dial_len = strlen(munged_dial) +1;
1230	} else {
1231	munged_dial_len = 0;
1232	}
1233
1234	/* TDB_FORMAT_STRING_V3 "dddddddBBBBBBBBBBBBddBBBdwdBwwd" */
1235
1236	/* one time to get the size needed */
1237	len = tdb_pack(NULL, 0, TDB_FORMAT_STRING_V3,
1238	logon_time, /* d */
1239	logoff_time, /* d */
1240	kickoff_time, /* d */
1241	bad_password_time, /* d */
1242	pass_last_set_time, /* d */
1243	pass_can_change_time, /* d */
1244	pass_must_change_time, /* d */
1245	username_len, username, /* B */
1246	domain_len, domain, /* B */
1247	nt_username_len, nt_username, /* B */
1248	fullname_len, fullname, /* B */
1249	homedir_len, homedir, /* B */
1250	dir_drive_len, dir_drive, /* B */
1251	logon_script_len, logon_script, /* B */
1252	profile_path_len, profile_path, /* B */
1253	acct_desc_len, acct_desc, /* B */
1254	workstations_len, workstations, /* B */
1255	unknown_str_len, unknown_str, /* B */
1256	munged_dial_len, munged_dial, /* B */
1257	user_rid, /* d */
1258	group_rid, /* d */
1259	lm_pw_len, lm_pw, /* B */
1260	nt_pw_len, nt_pw, /* B */
1261	nt_pw_hist_len, nt_pw_hist, /* B */
1262	pdb_get_acct_ctrl(sampass), /* d */
1263	pdb_get_logon_divs(sampass), /* w */
1264	pdb_get_hours_len(sampass), /* d */
1265	MAX_HOURS_LEN, pdb_get_hours(sampass), /* B */
1266	pdb_get_bad_password_count(sampass), /* w */
1267	pdb_get_logon_count(sampass), /* w */
1268	pdb_get_unknown_6(sampass)); /* d */
1269
1270	if (size_only) {
1271	return buflen;
1272	}
1273
1274	/* malloc the space needed */
1275	if ( (buf=(uint8)SMB_MALLOC(len)) == NULL) {
1276	DEBUG(0,("init_buffer_from_sam_v3: Unable to malloc() memory for buffer!\n"));
1277	return (-1);
1278	}
1279
1280	/* now for the real call to tdb_pack() */
1281	buflen = tdb_pack((char )buf, len, TDB_FORMAT_STRING_V3,
1282	logon_time, /* d */
1283	logoff_time, /* d */
1284	kickoff_time, /* d */
1285	bad_password_time, /* d */
1286	pass_last_set_time, /* d */
1287	pass_can_change_time, /* d */
1288	pass_must_change_time, /* d */
1289	username_len, username, /* B */
1290	domain_len, domain, /* B */
1291	nt_username_len, nt_username, /* B */
1292	fullname_len, fullname, /* B */
1293	homedir_len, homedir, /* B */
1294	dir_drive_len, dir_drive, /* B */
1295	logon_script_len, logon_script, /* B */
1296	profile_path_len, profile_path, /* B */
1297	acct_desc_len, acct_desc, /* B */
1298	workstations_len, workstations, /* B */
1299	unknown_str_len, unknown_str, /* B */
1300	munged_dial_len, munged_dial, /* B */
1301	user_rid, /* d */
1302	group_rid, /* d */
1303	lm_pw_len, lm_pw, /* B */
1304	nt_pw_len, nt_pw, /* B */
1305	nt_pw_hist_len, nt_pw_hist, /* B */
1306	pdb_get_acct_ctrl(sampass), /* d */
1307	pdb_get_logon_divs(sampass), /* w */
1308	pdb_get_hours_len(sampass), /* d */
1309	MAX_HOURS_LEN, pdb_get_hours(sampass), /* B */
1310	pdb_get_bad_password_count(sampass), /* w */
1311	pdb_get_logon_count(sampass), /* w */
1312	pdb_get_unknown_6(sampass)); /* d */
1313
1314	/* check to make sure we got it correct */
1315	if (buflen != len) {
1316	DEBUG(0, ("init_buffer_from_sam_v3: somthing odd is going on here: bufflen (%lu) != len (%lu) in tdb_pack operations!\n",
1317	(unsigned long)buflen, (unsigned long)len));
1318	/* error */
1319	SAFE_FREE (*buf);
1320	return (-1);
1321	}
1322
1323	return (buflen);
1324	}
1325
1326
1327	/*********************************************************************
1328	*********************************************************************/
1329
1330	BOOL pdb_copy_sam_account(struct samu dst, struct samu src )
1331	{
1332	uint8 *buf = NULL;
1333	int len;
1334
1335	len = init_buffer_from_sam_v3(&buf, src, False);
1336	if (len == -1 \|\| !buf) {
1337	SAFE_FREE(buf);
1338	return False;
1339	}
1340
1341	if (!init_sam_from_buffer_v3( dst, buf, len )) {
1342	free(buf);
1343	return False;
1344	}
1345
1346	dst->methods = src->methods;
1347
1348	if ( src->unix_pw ) {
1349	dst->unix_pw = tcopy_passwd( dst, src->unix_pw );
1350	if (!dst->unix_pw) {
1351	free(buf);
1352	return False;
1353	}
1354	}
1355
1356	free(buf);
1357	return True;
1358	}
1359
1360	/*********************************************************************
1361	Update the bad password count checking the AP_RESET_COUNT_TIME
1362	*********************************************************************/
1363
1364	BOOL pdb_update_bad_password_count(struct samu sampass, BOOL updated)
1365	{
1366	time_t LastBadPassword;
1367	uint16 BadPasswordCount;
1368	uint32 resettime;
1369	BOOL res;
1370
1371	BadPasswordCount = pdb_get_bad_password_count(sampass);
1372	if (!BadPasswordCount) {
1373	DEBUG(9, ("No bad password attempts.\n"));
1374	return True;
1375	}
1376
1377	become_root();
1378	res = pdb_get_account_policy(AP_RESET_COUNT_TIME, &resettime);
1379	unbecome_root();
1380
1381	if (!res) {
1382	DEBUG(0, ("pdb_update_bad_password_count: pdb_get_account_policy failed.\n"));
1383	return False;
1384	}
1385
1386	/* First, check if there is a reset time to compare */
1387	if ((resettime == (uint32) -1) \|\| (resettime == 0)) {
1388	DEBUG(9, ("No reset time, can't reset bad pw count\n"));
1389	return True;
1390	}
1391
1392	LastBadPassword = pdb_get_bad_password_time(sampass);
1393	DEBUG(7, ("LastBadPassword=%d, resettime=%d, current time=%d.\n",
1394	(uint32) LastBadPassword, resettime, (uint32)time(NULL)));
1395	if (time(NULL) > (LastBadPassword + convert_uint32_to_time_t(resettime)*60)){
1396	pdb_set_bad_password_count(sampass, 0, PDB_CHANGED);
1397	pdb_set_bad_password_time(sampass, 0, PDB_CHANGED);
1398	if (updated) {
1399	*updated = True;
1400	}
1401	}
1402
1403	return True;
1404	}
1405
1406	/*********************************************************************
1407	Update the ACB_AUTOLOCK flag checking the AP_LOCK_ACCOUNT_DURATION
1408	*********************************************************************/
1409
1410	BOOL pdb_update_autolock_flag(struct samu sampass, BOOL updated)
1411	{
1412	uint32 duration;
1413	time_t LastBadPassword;
1414	BOOL res;
1415
1416	if (!(pdb_get_acct_ctrl(sampass) & ACB_AUTOLOCK)) {
1417	DEBUG(9, ("pdb_update_autolock_flag: Account %s not autolocked, no check needed\n",
1418	pdb_get_username(sampass)));
1419	return True;
1420	}
1421
1422	become_root();
1423	res = pdb_get_account_policy(AP_LOCK_ACCOUNT_DURATION, &duration);
1424	unbecome_root();
1425
1426	if (!res) {
1427	DEBUG(0, ("pdb_update_autolock_flag: pdb_get_account_policy failed.\n"));
1428	return False;
1429	}
1430
1431	/* First, check if there is a duration to compare */
1432	if ((duration == (uint32) -1) \|\| (duration == 0)) {
1433	DEBUG(9, ("pdb_update_autolock_flag: No reset duration, can't reset autolock\n"));
1434	return True;
1435	}
1436
1437	LastBadPassword = pdb_get_bad_password_time(sampass);
1438	DEBUG(7, ("pdb_update_autolock_flag: Account %s, LastBadPassword=%d, duration=%d, current time =%d.\n",
1439	pdb_get_username(sampass), (uint32)LastBadPassword, duration*60, (uint32)time(NULL)));
1440
1441	if (LastBadPassword == (time_t)0) {
1442	DEBUG(1,("pdb_update_autolock_flag: Account %s administratively locked out with no \
1443	bad password time. Leaving locked out.\n",
1444	pdb_get_username(sampass) ));
1445	return True;
1446	}
1447
1448	if ((time(NULL) > (LastBadPassword + convert_uint32_to_time_t(duration) * 60))) {
1449	pdb_set_acct_ctrl(sampass,
1450	pdb_get_acct_ctrl(sampass) & ~ACB_AUTOLOCK,
1451	PDB_CHANGED);
1452	pdb_set_bad_password_count(sampass, 0, PDB_CHANGED);
1453	pdb_set_bad_password_time(sampass, 0, PDB_CHANGED);
1454	if (updated) {
1455	*updated = True;
1456	}
1457	}
1458
1459	return True;
1460	}
1461
1462	/*********************************************************************
1463	Increment the bad_password_count
1464	*********************************************************************/
1465
1466	BOOL pdb_increment_bad_password_count(struct samu *sampass)
1467	{
1468	uint32 account_policy_lockout;
1469	BOOL autolock_updated = False, badpw_updated = False;
1470	BOOL ret;
1471
1472	/* Retrieve the account lockout policy */
1473	become_root();
1474	ret = pdb_get_account_policy(AP_BAD_ATTEMPT_LOCKOUT, &account_policy_lockout);
1475	unbecome_root();
1476	if ( !ret ) {
1477	DEBUG(0, ("pdb_increment_bad_password_count: pdb_get_account_policy failed.\n"));
1478	return False;
1479	}
1480
1481	/* If there is no policy, we don't need to continue checking */
1482	if (!account_policy_lockout) {
1483	DEBUG(9, ("No lockout policy, don't track bad passwords\n"));
1484	return True;
1485	}
1486
1487	/* Check if the autolock needs to be cleared */
1488	if (!pdb_update_autolock_flag(sampass, &autolock_updated))
1489	return False;
1490
1491	/* Check if the badpw count needs to be reset */
1492	if (!pdb_update_bad_password_count(sampass, &badpw_updated))
1493	return False;
1494
1495	/*
1496	Ok, now we can assume that any resetting that needs to be
1497	done has been done, and just get on with incrementing
1498	and autolocking if necessary
1499	*/
1500
1501	pdb_set_bad_password_count(sampass,
1502	pdb_get_bad_password_count(sampass)+1,
1503	PDB_CHANGED);
1504	pdb_set_bad_password_time(sampass, time(NULL), PDB_CHANGED);
1505
1506
1507	if (pdb_get_bad_password_count(sampass) < account_policy_lockout)
1508	return True;
1509
1510	if (!pdb_set_acct_ctrl(sampass,
1511	pdb_get_acct_ctrl(sampass) \| ACB_AUTOLOCK,
1512	PDB_CHANGED)) {
1513	DEBUG(1, ("pdb_increment_bad_password_count:failed to set 'autolock' flag. \n"));
1514	return False;
1515	}
1516
1517	return True;
1518	}

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