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trying to get HEAD building again. If you want the code
[Samba.git] / source / passdb / passdb.c
blob9a99e07d8289c5ec1ab19866010b9c8053221647
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 2000-2001
7 Copyright (C) Andrew Bartlett 2001-2002
8 Copyright (C) Simo Sorce 2003
9
10 This program is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 2 of the License, or
13 (at your option) any later version.
14
15 This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
19
20 You should have received a copy of the GNU General Public License
21 along with this program; if not, write to the Free Software
22 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23 */
24
25 #include "includes.h"
26
27 #undef DBGC_CLASS
28 #define DBGC_CLASS DBGC_PASSDB
29
30 /******************************************************************
31 get the default domain/netbios name to be used when
32 testing authentication. For example, if you connect
33 to a Windows member server using a bogus domain name, the
34 Windows box will map the BOGUS\user to DOMAIN\user. A
35 standalone box will map to WKS\user.
36 ******************************************************************/
37
38 const char *get_default_sam_name(void)
39 {
40 /* standalone servers can only use the local netbios name */
41 if ( lp_server_role() == ROLE_STANDALONE )
42 return global_myname();
43
44 /* Windows domain members default to the DOMAIN
45 name when not specified */
46 return lp_workgroup();
47 }
48
49 /******************************************************************
50 get the default domain/netbios name to be used when dealing
51 with our passdb list of accounts
52 ******************************************************************/
53
54 const char *get_global_sam_name(void)
55 {
56 if ((lp_server_role() == ROLE_DOMAIN_PDC) || (lp_server_role() == ROLE_DOMAIN_BDC)) {
57 return lp_workgroup();
58 }
59 return global_myname();
60 }
61
62 /************************************************************
63 Fill the SAM_ACCOUNT with default values.
64 ***********************************************************/
65
66 void pdb_fill_default_sam(SAM_ACCOUNT *user)
67 {
68 ZERO_STRUCT(user->private); /* Don't touch the talloc context */
69
70 /* no initial methods */
71 user->methods = NULL;
72
73 /* Don't change these timestamp settings without a good reason.
74 They are important for NT member server compatibility. */
75
76 user->private.logon_time = (time_t)0;
77 user->private.pass_last_set_time = (time_t)0;
78 user->private.pass_can_change_time = (time_t)0;
79 user->private.logoff_time =
80 user->private.kickoff_time =
81 user->private.pass_must_change_time = get_time_t_max();
82 user->private.unknown_3 = 0x00ffffff; /* don't know */
83 user->private.logon_divs = 168; /* hours per week */
84 user->private.hours_len = 21; /* 21 times 8 bits = 168 */
85 memset(user->private.hours, 0xff, user->private.hours_len); /* available at all hours */
86 user->private.unknown_5 = 0x00000000; /* don't know */
87 user->private.unknown_6 = 0x000004ec; /* don't know */
88
89 /* Some parts of samba strlen their pdb_get...() returns,
90 so this keeps the interface unchanged for now. */
91
92 user->private.username = "";
93 user->private.domain = "";
94 user->private.nt_username = "";
95 user->private.full_name = "";
96 user->private.home_dir = "";
97 user->private.logon_script = "";
98 user->private.profile_path = "";
99 user->private.acct_desc = "";
100 user->private.workstations = "";
101 user->private.unknown_str = "";
102 user->private.munged_dial = "";
103
104 user->private.plaintext_pw = NULL;
105
106 }
107
108 static void destroy_pdb_talloc(SAM_ACCOUNT **user)
109 {
110 if (*user) {
111 data_blob_clear_free(&((*user)->private.lm_pw));
112 data_blob_clear_free(&((*user)->private.nt_pw));
113
114 if((*user)->private.plaintext_pw!=NULL)
115 memset((*user)->private.plaintext_pw,'\0',strlen((*user)->private.plaintext_pw));
116 talloc_destroy((*user)->mem_ctx);
117 *user = NULL;
118 }
119 }
120
121
122 /**********************************************************************
123 Alloc memory and initialises a struct sam_passwd on supplied mem_ctx.
124 ***********************************************************************/
125
126 NTSTATUS pdb_init_sam_talloc(TALLOC_CTX *mem_ctx, SAM_ACCOUNT **user)
127 {
128 if (*user != NULL) {
129 DEBUG(0,("pdb_init_sam_talloc: SAM_ACCOUNT was non NULL\n"));
130 #if 0
131 smb_panic("non-NULL pointer passed to pdb_init_sam\n");
132 #endif
133 return NT_STATUS_UNSUCCESSFUL;
134 }
135
136 if (!mem_ctx) {
137 DEBUG(0,("pdb_init_sam_talloc: mem_ctx was NULL!\n"));
138 return NT_STATUS_UNSUCCESSFUL;
139 }
140
141 *user=(SAM_ACCOUNT *)talloc(mem_ctx, sizeof(SAM_ACCOUNT));
142
143 if (*user==NULL) {
144 DEBUG(0,("pdb_init_sam_talloc: error while allocating memory\n"));
145 return NT_STATUS_NO_MEMORY;
146 }
147
148 (*user)->mem_ctx = mem_ctx;
149
150 (*user)->free_fn = NULL;
151
152 pdb_fill_default_sam(*user);
153
154 return NT_STATUS_OK;
155 }
156
157
158 /*************************************************************
159 Alloc memory and initialises a struct sam_passwd.
160 ************************************************************/
161
162 NTSTATUS pdb_init_sam(SAM_ACCOUNT **user)
163 {
164 TALLOC_CTX *mem_ctx;
165 NTSTATUS nt_status;
166
167 mem_ctx = talloc_init("passdb internal SAM_ACCOUNT allocation");
168
169 if (!mem_ctx) {
170 DEBUG(0,("pdb_init_sam: error while doing talloc_init()\n"));
171 return NT_STATUS_NO_MEMORY;
172 }
173
174 if (!NT_STATUS_IS_OK(nt_status = pdb_init_sam_talloc(mem_ctx, user))) {
175 talloc_destroy(mem_ctx);
176 return nt_status;
177 }
178
179 (*user)->free_fn = destroy_pdb_talloc;
180
181 return NT_STATUS_OK;
182 }
183
184
185 /*************************************************************
186 Initialises a struct sam_passwd with sane values.
187 ************************************************************/
188
189 NTSTATUS pdb_fill_sam_pw(SAM_ACCOUNT *sam_account, const struct passwd *pwd)
190 {
191 NTSTATUS ret;
192
193 if (!pwd) {
194 return NT_STATUS_UNSUCCESSFUL;
195 }
196
197 pdb_fill_default_sam(sam_account);
198
199 pdb_set_username(sam_account, pwd->pw_name, PDB_SET);
200 pdb_set_fullname(sam_account, pwd->pw_gecos, PDB_SET);
201
202 pdb_set_unix_homedir(sam_account, pwd->pw_dir, PDB_SET);
203
204 pdb_set_domain (sam_account, get_global_sam_name(), PDB_DEFAULT);
205
206 /* When we get a proper uid -> SID and SID -> uid allocation
207 mechinism, we should call it here.
208
209 We can't just set this to 0 or allow it only to be filled
210 in when added to the backend, because the user's SID
211 may already be in security descriptors etc.
212
213 -- abartlet 11-May-02
214 */
215
216 ret = pdb_set_sam_sids(sam_account, pwd);
217 if (!NT_STATUS_IS_OK(ret)) return ret;
218
219 /* check if this is a user account or a machine account */
220 if (pwd->pw_name[strlen(pwd->pw_name)-1] != '$')
221 {
222 pdb_set_profile_path(sam_account,
223 talloc_sub_specified((sam_account)->mem_ctx,
224 lp_logon_path(),
225 pwd->pw_name, global_myname(),
226 pwd->pw_uid, pwd->pw_gid),
227 PDB_DEFAULT);
228
229 pdb_set_homedir(sam_account,
230 talloc_sub_specified((sam_account)->mem_ctx,
231 lp_logon_home(),
232 pwd->pw_name, global_myname(),
233 pwd->pw_uid, pwd->pw_gid),
234 PDB_DEFAULT);
235
236 pdb_set_dir_drive(sam_account,
237 talloc_sub_specified((sam_account)->mem_ctx,
238 lp_logon_drive(),
239 pwd->pw_name, global_myname(),
240 pwd->pw_uid, pwd->pw_gid),
241 PDB_DEFAULT);
242
243 pdb_set_logon_script(sam_account,
244 talloc_sub_specified((sam_account)->mem_ctx,
245 lp_logon_script(),
246 pwd->pw_name, global_myname(),
247 pwd->pw_uid, pwd->pw_gid),
248 PDB_DEFAULT);
249 if (!pdb_set_acct_ctrl(sam_account, ACB_NORMAL, PDB_DEFAULT)) {
250 DEBUG(1, ("Failed to set 'normal account' flags for user %s.\n", pwd->pw_name));
251 return NT_STATUS_UNSUCCESSFUL;
252 }
253 } else {
254 if (!pdb_set_acct_ctrl(sam_account, ACB_WSTRUST, PDB_DEFAULT)) {
255 DEBUG(1, ("Failed to set 'trusted workstation account' flags for user %s.\n", pwd->pw_name));
256 return NT_STATUS_UNSUCCESSFUL;
257 }
258 }
259 return NT_STATUS_OK;
260 }
261
262
263 /*************************************************************
264 Initialises a struct sam_passwd with sane values.
265 ************************************************************/
266
267 NTSTATUS pdb_init_sam_pw(SAM_ACCOUNT **new_sam_acct, const struct passwd *pwd)
268 {
269 NTSTATUS nt_status;
270
271 if (!pwd) {
272 new_sam_acct = NULL;
273 return NT_STATUS_INVALID_PARAMETER;
274 }
275
276 if (!NT_STATUS_IS_OK(nt_status = pdb_init_sam(new_sam_acct))) {
277 new_sam_acct = NULL;
278 return nt_status;
279 }
280
281 if (!NT_STATUS_IS_OK(nt_status = pdb_fill_sam_pw(*new_sam_acct, pwd))) {
282 pdb_free_sam(new_sam_acct);
283 new_sam_acct = NULL;
284 return nt_status;
285 }
286
287 return NT_STATUS_OK;
288 }
289
290
291 /*************************************************************
292 Initialises a SAM_ACCOUNT ready to add a new account, based
293 on the UNIX user. Pass in a RID if you have one
294 ************************************************************/
295
296 NTSTATUS pdb_init_sam_new(SAM_ACCOUNT **new_sam_acct, const char *username,
297 uint32 rid)
298 {
299 NTSTATUS nt_status = NT_STATUS_NO_MEMORY;
300 struct passwd *pwd;
301 BOOL ret;
302
303 pwd = Get_Pwnam(username);
304
305 if (!pwd)
306 return NT_STATUS_NO_SUCH_USER;
307
308 if (!NT_STATUS_IS_OK(nt_status = pdb_init_sam_pw(new_sam_acct, pwd))) {
309 *new_sam_acct = NULL;
310 return nt_status;
311 }
312
313 /* see if we need to generate a new rid using the 2.2 algorithm */
314 if ( rid == 0 && lp_enable_rid_algorithm() ) {
315 DEBUG(10,("pdb_init_sam_new: no RID specified. Generating one via old algorithm\n"));
316 rid = fallback_pdb_uid_to_user_rid(pwd->pw_uid);
317 }
318
319 /* set the new SID */
320
321 ret = pdb_set_user_sid_from_rid( *new_sam_acct, rid, PDB_SET );
322
323 return (ret ? NT_STATUS_OK : NT_STATUS_NO_SUCH_USER);
324 }
325
326
327 /**
328 * Free the contets of the SAM_ACCOUNT, but not the structure.
329 *
330 * Also wipes the LM and NT hashes and plaintext password from
331 * memory.
332 *
333 * @param user SAM_ACCOUNT to free members of.
334 **/
335
336 static void pdb_free_sam_contents(SAM_ACCOUNT *user)
337 {
338
339 /* Kill off sensitive data. Free()ed by the
340 talloc mechinism */
341
342 data_blob_clear_free(&(user->private.lm_pw));
343 data_blob_clear_free(&(user->private.nt_pw));
344 if (user->private.plaintext_pw!=NULL)
345 memset(user->private.plaintext_pw,'\0',strlen(user->private.plaintext_pw));
346
347 if (user->private.backend_private_data && user->private.backend_private_data_free_fn) {
348 user->private.backend_private_data_free_fn(&user->private.backend_private_data);
349 }
350 }
351
352
353 /************************************************************
354 Reset the SAM_ACCOUNT and free the NT/LM hashes.
355 ***********************************************************/
356
357 NTSTATUS pdb_reset_sam(SAM_ACCOUNT *user)
358 {
359 if (user == NULL) {
360 DEBUG(0,("pdb_reset_sam: SAM_ACCOUNT was NULL\n"));
361 #if 0
362 smb_panic("NULL pointer passed to pdb_free_sam\n");
363 #endif
364 return NT_STATUS_UNSUCCESSFUL;
365 }
366
367 pdb_free_sam_contents(user);
368
369 pdb_fill_default_sam(user);
370
371 return NT_STATUS_OK;
372 }
373
374
375 /************************************************************
376 Free the SAM_ACCOUNT and the member pointers.
377 ***********************************************************/
378
379 NTSTATUS pdb_free_sam(SAM_ACCOUNT **user)
380 {
381 if (*user == NULL) {
382 DEBUG(0,("pdb_free_sam: SAM_ACCOUNT was NULL\n"));
383 #if 0
384 smb_panic("NULL pointer passed to pdb_free_sam\n");
385 #endif
386 return NT_STATUS_UNSUCCESSFUL;
387 }
388
389 pdb_free_sam_contents(*user);
390
391 if ((*user)->free_fn) {
392 (*user)->free_fn(user);
393 }
394
395 return NT_STATUS_OK;
396 }
397
398 /**************************************************************************
399 * This function will take care of all the steps needed to correctly
400 * allocate and set the user SID, please do use this function to create new
401 * users, messing with SIDs is not good.
402 *
403 * account_data must be provided initialized, pwd may be null.
404 * SSS
405 ***************************************************************************/
406
407 NTSTATUS pdb_set_sam_sids(SAM_ACCOUNT *account_data, const struct passwd *pwd)
408 {
409 const char *guest_account = lp_guestaccount();
410 GROUP_MAP map;
411
412 if (!account_data || !pwd) {
413 return NT_STATUS_INVALID_PARAMETER;
414 }
415
416 /* this is a hack this thing should not be set
417 this way --SSS */
418 if (!(guest_account && *guest_account)) {
419 DEBUG(1, ("NULL guest account!?!?\n"));
420 return NT_STATUS_UNSUCCESSFUL;
421 } else {
422 /* Ensure this *must* be set right */
423 if (strcmp(pwd->pw_name, guest_account) == 0) {
424 if (!pdb_set_user_sid_from_rid(account_data, DOMAIN_USER_RID_GUEST, PDB_DEFAULT)) {
425 return NT_STATUS_UNSUCCESSFUL;
426 }
427 if (!pdb_set_group_sid_from_rid(account_data, DOMAIN_GROUP_RID_GUESTS, PDB_DEFAULT)) {
428 return NT_STATUS_UNSUCCESSFUL;
429 }
430 return NT_STATUS_OK;
431 }
432 }
433
434 if (!pdb_set_user_sid_from_rid(account_data, fallback_pdb_uid_to_user_rid(pwd->pw_uid), PDB_SET)) {
435 DEBUG(0,("Can't set User SID from RID!\n"));
436 return NT_STATUS_INVALID_PARAMETER;
437 }
438
439 /* call the mapping code here */
440 if(pdb_getgrgid(&map, pwd->pw_gid)) {
441 if (!pdb_set_group_sid(account_data, &map.sid, PDB_SET)){
442 DEBUG(0,("Can't set Group SID!\n"));
443 return NT_STATUS_INVALID_PARAMETER;
444 }
445 }
446 else {
447 if (!pdb_set_group_sid_from_rid(account_data, pdb_gid_to_group_rid(pwd->pw_gid), PDB_SET)) {
448 DEBUG(0,("Can't set Group SID\n"));
449 return NT_STATUS_INVALID_PARAMETER;
450 }
451 }
452
453 return NT_STATUS_OK;
454 }
455
456 /**********************************************************
457 Encode the account control bits into a string.
458 length = length of string to encode into (including terminating
459 null). length *MUST BE MORE THAN 2* !
460 **********************************************************/
461
462 char *pdb_encode_acct_ctrl(uint16 acct_ctrl, size_t length)
463 {
464 static fstring acct_str;
465 size_t i = 0;
466
467 acct_str[i++] = '[';
468
469 if (acct_ctrl & ACB_PWNOTREQ ) acct_str[i++] = 'N';
470 if (acct_ctrl & ACB_DISABLED ) acct_str[i++] = 'D';
471 if (acct_ctrl & ACB_HOMDIRREQ) acct_str[i++] = 'H';
472 if (acct_ctrl & ACB_TEMPDUP ) acct_str[i++] = 'T';
473 if (acct_ctrl & ACB_NORMAL ) acct_str[i++] = 'U';
474 if (acct_ctrl & ACB_MNS ) acct_str[i++] = 'M';
475 if (acct_ctrl & ACB_WSTRUST ) acct_str[i++] = 'W';
476 if (acct_ctrl & ACB_SVRTRUST ) acct_str[i++] = 'S';
477 if (acct_ctrl & ACB_AUTOLOCK ) acct_str[i++] = 'L';
478 if (acct_ctrl & ACB_PWNOEXP ) acct_str[i++] = 'X';
479 if (acct_ctrl & ACB_DOMTRUST ) acct_str[i++] = 'I';
480
481 for ( ; i < length - 2 ; i++ )
482 acct_str[i] = ' ';
483
484 i = length - 2;
485 acct_str[i++] = ']';
486 acct_str[i++] = '\0';
487
488 return acct_str;
489 }
490
491 /**********************************************************
492 Decode the account control bits from a string.
493 **********************************************************/
494
495 uint16 pdb_decode_acct_ctrl(const char *p)
496 {
497 uint16 acct_ctrl = 0;
498 BOOL finished = False;
499
500 /*
501 * Check if the account type bits have been encoded after the
502 * NT password (in the form [NDHTUWSLXI]).
503 */
504
505 if (*p != '[')
506 return 0;
507
508 for (p++; *p && !finished; p++) {
509 switch (*p) {
510 case 'N': { acct_ctrl |= ACB_PWNOTREQ ; break; /* 'N'o password. */ }
511 case 'D': { acct_ctrl |= ACB_DISABLED ; break; /* 'D'isabled. */ }
512 case 'H': { acct_ctrl |= ACB_HOMDIRREQ; break; /* 'H'omedir required. */ }
513 case 'T': { acct_ctrl |= ACB_TEMPDUP ; break; /* 'T'emp account. */ }
514 case 'U': { acct_ctrl |= ACB_NORMAL ; break; /* 'U'ser account (normal). */ }
515 case 'M': { acct_ctrl |= ACB_MNS ; break; /* 'M'NS logon user account. What is this ? */ }
516 case 'W': { acct_ctrl |= ACB_WSTRUST ; break; /* 'W'orkstation account. */ }
517 case 'S': { acct_ctrl |= ACB_SVRTRUST ; break; /* 'S'erver account. */ }
518 case 'L': { acct_ctrl |= ACB_AUTOLOCK ; break; /* 'L'ocked account. */ }
519 case 'X': { acct_ctrl |= ACB_PWNOEXP ; break; /* No 'X'piry on password */ }
520 case 'I': { acct_ctrl |= ACB_DOMTRUST ; break; /* 'I'nterdomain trust account. */ }
521 case ' ': { break; }
522 case ':':
523 case '\n':
524 case '\0':
525 case ']':
526 default: { finished = True; }
527 }
528 }
529
530 return acct_ctrl;
531 }
532
533 /*************************************************************
534 Routine to set 32 hex password characters from a 16 byte array.
535 **************************************************************/
536
537 void pdb_sethexpwd(char *p, const unsigned char *pwd, uint16 acct_ctrl)
538 {
539 if (pwd != NULL) {
540 int i;
541 for (i = 0; i < 16; i++)
542 slprintf(&p[i*2], 3, "%02X", pwd[i]);
543 } else {
544 if (acct_ctrl & ACB_PWNOTREQ)
545 safe_strcpy(p, "NO PASSWORDXXXXXXXXXXXXXXXXXXXXX", 33);
546 else
547 safe_strcpy(p, "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX", 33);
548 }
549 }
550
551 /*************************************************************
552 Routine to get the 32 hex characters and turn them
553 into a 16 byte array.
554 **************************************************************/
555
556 BOOL pdb_gethexpwd(const char *p, unsigned char *pwd)
557 {
558 int i;
559 unsigned char lonybble, hinybble;
560 const char *hexchars = "0123456789ABCDEF";
561 char *p1, *p2;
562
563 if (!p)
564 return (False);
565
566 for (i = 0; i < 32; i += 2) {
567 hinybble = toupper(p[i]);
568 lonybble = toupper(p[i + 1]);
569
570 p1 = strchr(hexchars, hinybble);
571 p2 = strchr(hexchars, lonybble);
572
573 if (!p1 || !p2)
574 return (False);
575
576 hinybble = PTR_DIFF(p1, hexchars);
577 lonybble = PTR_DIFF(p2, hexchars);
578
579 pwd[i / 2] = (hinybble << 4) | lonybble;
580 }
581 return (True);
582 }
583
584 int algorithmic_rid_base(void)
585 {
586 static int rid_offset = 0;
587
588 if (rid_offset != 0)
589 return rid_offset;
590
591 rid_offset = lp_algorithmic_rid_base();
592
593 if (rid_offset < BASE_RID) {
594 /* Try to prevent admin foot-shooting, we can't put algorithmic
595 rids below 1000, that's the 'well known RIDs' on NT */
596 DEBUG(0, ("'algorithmic rid base' must be equal to or above %ld\n", BASE_RID));
597 rid_offset = BASE_RID;
598 }
599 if (rid_offset & 1) {
600 DEBUG(0, ("algorithmic rid base must be even\n"));
601 rid_offset += 1;
602 }
603 return rid_offset;
604 }
605
606 /*******************************************************************
607 Converts NT user RID to a UNIX uid.
608 ********************************************************************/
609
610 uid_t fallback_pdb_user_rid_to_uid(uint32 user_rid)
611 {
612 int rid_offset = algorithmic_rid_base();
613 return (uid_t)(((user_rid & (~USER_RID_TYPE)) - rid_offset)/RID_MULTIPLIER);
614 }
615
616 /*******************************************************************
617 converts UNIX uid to an NT User RID.
618 ********************************************************************/
619
620 uint32 fallback_pdb_uid_to_user_rid(uid_t uid)
621 {
622 int rid_offset = algorithmic_rid_base();
623 return (((((uint32)uid)*RID_MULTIPLIER) + rid_offset) | USER_RID_TYPE);
624 }
625
626 /*******************************************************************
627 Converts NT group RID to a UNIX gid.
628 ********************************************************************/
629
630 gid_t pdb_group_rid_to_gid(uint32 group_rid)
631 {
632 int rid_offset = algorithmic_rid_base();
633 return (gid_t)(((group_rid & (~GROUP_RID_TYPE))- rid_offset)/RID_MULTIPLIER);
634 }
635
636 /*******************************************************************
637 converts NT Group RID to a UNIX uid.
638
639 warning: you must not call that function only
640 you must do a call to the group mapping first.
641 there is not anymore a direct link between the gid and the rid.
642 ********************************************************************/
643
644 uint32 pdb_gid_to_group_rid(gid_t gid)
645 {
646 int rid_offset = algorithmic_rid_base();
647 return (((((uint32)gid)*RID_MULTIPLIER) + rid_offset) | GROUP_RID_TYPE);
648 }
649
650 /*******************************************************************
651 Decides if a RID is a well known RID.
652 ********************************************************************/
653
654 static BOOL pdb_rid_is_well_known(uint32 rid)
655 {
656 /* Not using rid_offset here, because this is the actual
657 NT fixed value (1000) */
658
659 return (rid < BASE_RID);
660 }
661
662 /*******************************************************************
663 Decides if a RID is a user or group RID.
664 ********************************************************************/
665
666 BOOL fallback_pdb_rid_is_user(uint32 rid)
667 {
668 /* lkcl i understand that NT attaches an enumeration to a RID
669 * such that it can be identified as either a user, group etc
670 * type. there are 5 such categories, and they are documented.
671 */
672 /* However, they are not in the RID, just somthing you can query
673 seperatly. Sorry luke :-) */
674
675 if(pdb_rid_is_well_known(rid)) {
676 /*
677 * The only well known user RIDs are DOMAIN_USER_RID_ADMIN
678 * and DOMAIN_USER_RID_GUEST.
679 */
680 if(rid == DOMAIN_USER_RID_ADMIN || rid == DOMAIN_USER_RID_GUEST)
681 return True;
682 } else if((rid & RID_TYPE_MASK) == USER_RID_TYPE) {
683 return True;
684 }
685 return False;
686 }
687
688 /*******************************************************************
689 Convert a rid into a name. Used in the lookup SID rpc.
690 ********************************************************************/
691
692 BOOL local_lookup_sid(DOM_SID *sid, char *name, enum SID_NAME_USE *psid_name_use)
693 {
694 uint32 rid;
695 SAM_ACCOUNT *sam_account = NULL;
696 GROUP_MAP map;
697
698 if (!sid_peek_check_rid(get_global_sam_sid(), sid, &rid)){
699 DEBUG(0,("local_lookup_sid: sid_peek_check_rid return False! SID: %s\n",
700 sid_string_static(&map.sid)));
701 return False;
702 }
703 *psid_name_use = SID_NAME_UNKNOWN;
704
705 DEBUG(5,("local_lookup_sid: looking up RID %u.\n", (unsigned int)rid));
706
707 if (rid == DOMAIN_USER_RID_ADMIN) {
708 const char **admin_list = lp_admin_users(-1);
709 *psid_name_use = SID_NAME_USER;
710 if (admin_list) {
711 const char *p = *admin_list;
712 if(!next_token(&p, name, NULL, sizeof(fstring)))
713 fstrcpy(name, "Administrator");
714 } else {
715 fstrcpy(name, "Administrator");
716 }
717 return True;
718 }
719
720 /*
721 * Don't try to convert the rid to a name if
722 * running in appliance mode
723 */
724
725 if (lp_hide_local_users())
726 return False;
727
728 if (!NT_STATUS_IS_OK(pdb_init_sam(&sam_account))) {
729 return False;
730 }
731
732 /* see if the passdb can help us with the name of the user */
733
734 become_root();
735 if (pdb_getsampwsid(sam_account, sid)) {
736 unbecome_root();
737 fstrcpy(name, pdb_get_username(sam_account));
738 *psid_name_use = SID_NAME_USER;
739
740 pdb_free_sam(&sam_account);
741
742 return True;
743 }
744 unbecome_root();
745 pdb_free_sam(&sam_account);
746
747 if (pdb_getgrsid(&map, *sid)) {
748 if (map.gid!=(gid_t)-1) {
749 DEBUG(5,("local_lookup_sid: mapped group %s to gid %u\n", map.nt_name, (unsigned int)map.gid));
750 } else {
751 DEBUG(5,("local_lookup_sid: mapped group %s to no unix gid. Returning name.\n", map.nt_name));
752 }
753
754 fstrcpy(name, map.nt_name);
755 *psid_name_use = map.sid_name_use;
756 return True;
757 }
758
759 if (fallback_pdb_rid_is_user(rid)) {
760 uid_t uid;
761
762 DEBUG(5, ("assuming RID %u is a user\n", (unsigned)rid));
763
764 uid = fallback_pdb_user_rid_to_uid(rid);
765 slprintf(name, sizeof(fstring)-1, "unix_user.%u", (unsigned int)uid);
766
767 return False; /* Indicates that this user was 'not mapped' */
768 } else {
769 gid_t gid;
770 struct group *gr;
771
772 DEBUG(5, ("assuming RID %u is a group\n", (unsigned)rid));
773
774 gid = pdb_group_rid_to_gid(rid);
775 gr = getgrgid(gid);
776
777 *psid_name_use = SID_NAME_ALIAS;
778
779 DEBUG(5,("local_lookup_sid: looking up gid %u %s\n", (unsigned int)gid,
780 gr ? "succeeded" : "failed" ));
781
782 if(!gr) {
783 slprintf(name, sizeof(fstring)-1, "unix_group.%u", (unsigned int)gid);
784 return False; /* Indicates that this group was 'not mapped' */
785 }
786
787 fstrcpy( name, gr->gr_name);
788
789 DEBUG(5,("local_lookup_sid: found group %s for rid %u\n", name,
790 (unsigned int)rid ));
791 return True;
792 }
793 }
794
795 /*******************************************************************
796 Convert a name into a SID. Used in the lookup name rpc.
797 ********************************************************************/
798
799 BOOL local_lookup_name(const char *c_user, DOM_SID *psid, enum SID_NAME_USE *psid_name_use)
800 {
801 extern DOM_SID global_sid_World_Domain;
802 DOM_SID local_sid;
803 fstring user;
804 SAM_ACCOUNT *sam_account = NULL;
805 struct group *grp;
806 GROUP_MAP map;
807
808 *psid_name_use = SID_NAME_UNKNOWN;
809
810 /*
811 * user may be quoted a const string, and map_username and
812 * friends can modify it. Make a modifiable copy. JRA.
813 */
814
815 fstrcpy(user, c_user);
816
817 sid_copy(&local_sid, get_global_sam_sid());
818
819 /*
820 * Special case for MACHINE\Everyone. Map to the world_sid.
821 */
822
823 if(strequal(user, "Everyone")) {
824 sid_copy( psid, &global_sid_World_Domain);
825 sid_append_rid(psid, 0);
826 *psid_name_use = SID_NAME_ALIAS;
827 return True;
828 }
829
830 /*
831 * Don't lookup local unix users if running in appliance mode
832 */
833 if (lp_hide_local_users())
834 return False;
835
836 (void)map_username(user);
837
838 if (!NT_STATUS_IS_OK(pdb_init_sam(&sam_account))) {
839 return False;
840 }
841
842 become_root();
843 if (pdb_getsampwnam(sam_account, user)) {
844 unbecome_root();
845 sid_copy(psid, pdb_get_user_sid(sam_account));
846 *psid_name_use = SID_NAME_USER;
847
848 pdb_free_sam(&sam_account);
849 return True;
850 }
851 unbecome_root();
852
853 pdb_free_sam(&sam_account);
854
855 /*
856 * Maybe it was a group ?
857 */
858
859 /* check if it's a mapped group */
860 if (pdb_getgrnam(&map, user)) {
861 /* yes it's a mapped group */
862 sid_copy(&local_sid, &map.sid);
863 *psid_name_use = map.sid_name_use;
864 } else {
865 /* it's not a mapped group */
866 grp = getgrnam(user);
867 if(!grp)
868 return False;
869
870 /*
871 *check if it's mapped, if it is reply it doesn't exist
872 *
873 * that's to prevent this case:
874 *
875 * unix group ug is mapped to nt group ng
876 * someone does a lookup on ug
877 * we must not reply as it doesn't "exist" anymore
878 * for NT. For NT only ng exists.
879 * JFM, 30/11/2001
880 */
881
882 if (pdb_getgrgid(&map, grp->gr_gid)){
883 return False;
884 }
885
886 sid_append_rid( &local_sid, pdb_gid_to_group_rid(grp->gr_gid));
887 *psid_name_use = SID_NAME_ALIAS;
888 }
889
890 sid_copy( psid, &local_sid);
891
892 return True;
893 }
894
895 /*************************************************************
896 Change a password entry in the local smbpasswd file.
897 *************************************************************/
898
899 BOOL local_password_change(const char *user_name, int local_flags,
900 const char *new_passwd,
901 char *err_str, size_t err_str_len,
902 char *msg_str, size_t msg_str_len)
903 {
904 SAM_ACCOUNT *sam_pass=NULL;
905 uint16 other_acb;
906
907 *err_str = '\0';
908 *msg_str = '\0';
909
910 /* Get the smb passwd entry for this user */
911 pdb_init_sam(&sam_pass);
912
913 become_root();
914 if(!pdb_getsampwnam(sam_pass, user_name)) {
915 unbecome_root();
916 pdb_free_sam(&sam_pass);
917
918 if ((local_flags & LOCAL_ADD_USER) || (local_flags & LOCAL_DELETE_USER)) {
919 /* Might not exist in /etc/passwd. Use rid algorithm here */
920 if (!NT_STATUS_IS_OK(pdb_init_sam_new(&sam_pass, user_name, 0))) {
921 slprintf(err_str, err_str_len-1, "Failed initialise SAM_ACCOUNT for user %s.\n", user_name);
922 return False;
923 }
924 } else {
925 slprintf(err_str, err_str_len-1,"Failed to find entry for user %s.\n", user_name);
926 return False;
927 }
928 } else {
929 unbecome_root();
930 /* the entry already existed */
931 local_flags &= ~LOCAL_ADD_USER;
932 }
933
934 /* the 'other' acb bits not being changed here */
935 other_acb = (pdb_get_acct_ctrl(sam_pass) & (!(ACB_WSTRUST|ACB_DOMTRUST|ACB_SVRTRUST|ACB_NORMAL)));
936 if (local_flags & LOCAL_TRUST_ACCOUNT) {
937 if (!pdb_set_acct_ctrl(sam_pass, ACB_WSTRUST | other_acb, PDB_CHANGED) ) {
938 slprintf(err_str, err_str_len - 1, "Failed to set 'trusted workstation account' flags for user %s.\n", user_name);
939 pdb_free_sam(&sam_pass);
940 return False;
941 }
942 } else if (local_flags & LOCAL_INTERDOM_ACCOUNT) {
943 if (!pdb_set_acct_ctrl(sam_pass, ACB_DOMTRUST | other_acb, PDB_CHANGED)) {
944 slprintf(err_str, err_str_len - 1, "Failed to set 'domain trust account' flags for user %s.\n", user_name);
945 pdb_free_sam(&sam_pass);
946 return False;
947 }
948 } else {
949 if (!pdb_set_acct_ctrl(sam_pass, ACB_NORMAL | other_acb, PDB_CHANGED)) {
950 slprintf(err_str, err_str_len - 1, "Failed to set 'normal account' flags for user %s.\n", user_name);
951 pdb_free_sam(&sam_pass);
952 return False;
953 }
954 }
955
956 /*
957 * We are root - just write the new password
958 * and the valid last change time.
959 */
960
961 if (local_flags & LOCAL_DISABLE_USER) {
962 if (!pdb_set_acct_ctrl (sam_pass, pdb_get_acct_ctrl(sam_pass)|ACB_DISABLED, PDB_CHANGED)) {
963 slprintf(err_str, err_str_len-1, "Failed to set 'disabled' flag for user %s.\n", user_name);
964 pdb_free_sam(&sam_pass);
965 return False;
966 }
967 } else if (local_flags & LOCAL_ENABLE_USER) {
968 if (!pdb_set_acct_ctrl (sam_pass, pdb_get_acct_ctrl(sam_pass)&(~ACB_DISABLED), PDB_CHANGED)) {
969 slprintf(err_str, err_str_len-1, "Failed to unset 'disabled' flag for user %s.\n", user_name);
970 pdb_free_sam(&sam_pass);
971 return False;
972 }
973 }
974
975 if (local_flags & LOCAL_SET_NO_PASSWORD) {
976 if (!pdb_set_acct_ctrl (sam_pass, pdb_get_acct_ctrl(sam_pass)|ACB_PWNOTREQ, PDB_CHANGED)) {
977 slprintf(err_str, err_str_len-1, "Failed to set 'no password required' flag for user %s.\n", user_name);
978 pdb_free_sam(&sam_pass);
979 return False;
980 }
981 } else if (local_flags & LOCAL_SET_PASSWORD) {
982 /*
983 * If we're dealing with setting a completely empty user account
984 * ie. One with a password of 'XXXX', but not set disabled (like
985 * an account created from scratch) then if the old password was
986 * 'XX's then getsmbpwent will have set the ACB_DISABLED flag.
987 * We remove that as we're giving this user their first password
988 * and the decision hasn't really been made to disable them (ie.
989 * don't create them disabled). JRA.
990 */
991 if ((pdb_get_lanman_passwd(sam_pass)==NULL) && (pdb_get_acct_ctrl(sam_pass)&ACB_DISABLED)) {
992 if (!pdb_set_acct_ctrl (sam_pass, pdb_get_acct_ctrl(sam_pass)&(~ACB_DISABLED), PDB_CHANGED)) {
993 slprintf(err_str, err_str_len-1, "Failed to unset 'disabled' flag for user %s.\n", user_name);
994 pdb_free_sam(&sam_pass);
995 return False;
996 }
997 }
998 if (!pdb_set_acct_ctrl (sam_pass, pdb_get_acct_ctrl(sam_pass)&(~ACB_PWNOTREQ), PDB_CHANGED)) {
999 slprintf(err_str, err_str_len-1, "Failed to unset 'no password required' flag for user %s.\n", user_name);
1000 pdb_free_sam(&sam_pass);
1001 return False;
1002 }
1003
1004 if (!pdb_set_plaintext_passwd (sam_pass, new_passwd)) {
1005 slprintf(err_str, err_str_len-1, "Failed to set password for user %s.\n", user_name);
1006 pdb_free_sam(&sam_pass);
1007 return False;
1008 }
1009 }
1010
1011 if (local_flags & LOCAL_ADD_USER) {
1012 if (pdb_add_sam_account(sam_pass)) {
1013 slprintf(msg_str, msg_str_len-1, "Added user %s.\n", user_name);
1014 pdb_free_sam(&sam_pass);
1015 return True;
1016 } else {
1017 slprintf(err_str, err_str_len-1, "Failed to add entry for user %s.\n", user_name);
1018 pdb_free_sam(&sam_pass);
1019 return False;
1020 }
1021 } else if (local_flags & LOCAL_DELETE_USER) {
1022 if (!pdb_delete_sam_account(sam_pass)) {
1023 slprintf(err_str,err_str_len-1, "Failed to delete entry for user %s.\n", user_name);
1024 pdb_free_sam(&sam_pass);
1025 return False;
1026 }
1027 slprintf(msg_str, msg_str_len-1, "Deleted user %s.\n", user_name);
1028 } else {
1029 if(!pdb_update_sam_account(sam_pass)) {
1030 slprintf(err_str, err_str_len-1, "Failed to modify entry for user %s.\n", user_name);
1031 pdb_free_sam(&sam_pass);
1032 return False;
1033 }
1034 if(local_flags & LOCAL_DISABLE_USER)
1035 slprintf(msg_str, msg_str_len-1, "Disabled user %s.\n", user_name);
1036 else if (local_flags & LOCAL_ENABLE_USER)
1037 slprintf(msg_str, msg_str_len-1, "Enabled user %s.\n", user_name);
1038 else if (local_flags & LOCAL_SET_NO_PASSWORD)
1039 slprintf(msg_str, msg_str_len-1, "User %s password set to none.\n", user_name);
1040 }
1041
1042 pdb_free_sam(&sam_pass);
1043 return True;
1044 }
1045
1046 /****************************************************************************
1047 Convert a uid to SID - locally.
1048 ****************************************************************************/
1049
1050 DOM_SID *local_uid_to_sid(DOM_SID *psid, uid_t uid)
1051 {
1052 SAM_ACCOUNT *sampw = NULL;
1053 struct passwd *unix_pw;
1054 BOOL ret;
1055
1056 unix_pw = sys_getpwuid( uid );
1057
1058 if ( !unix_pw ) {
1059 DEBUG(4,("local_uid_to_sid: host has know idea of uid %d\n", uid));
1060 return NULL;
1061 }
1062
1063 if ( !NT_STATUS_IS_OK(pdb_init_sam(&sampw)) ) {
1064 DEBUG(0,("local_uid_to_sid: failed to allocate SAM_ACCOUNT object\n"));
1065 return NULL;
1066 }
1067
1068 become_root();
1069 ret = pdb_getsampwnam( sampw, unix_pw->pw_name );
1070 unbecome_root();
1071
1072 if ( ret )
1073 sid_copy( psid, pdb_get_user_sid(sampw) );
1074 else {
1075 DEBUG(4,("local_uid_to_sid: User %s [uid == %d] has no samba account\n",
1076 unix_pw->pw_name, uid));
1077
1078 if ( !lp_enable_rid_algorithm() )
1079 return NULL;
1080
1081 DEBUG(8,("local_uid_to_sid: falling back to RID algorithm\n"));
1082
1083 sid_copy( psid, get_global_sam_sid() );
1084 sid_append_rid( psid, fallback_pdb_uid_to_user_rid(uid) );
1085 }
1086
1087
1088 DEBUG(10,("local_uid_to_sid: uid (%d) -> SID %s (%s).\n",
1089 (unsigned int)uid, sid_string_static(psid), unix_pw->pw_name));
1090
1091 return psid;
1092 }
1093
1094 /****************************************************************************
1095 Convert a SID to uid - locally.
1096 ****************************************************************************/
1097
1098 BOOL local_sid_to_uid(uid_t *puid, const DOM_SID *psid, enum SID_NAME_USE *name_type)
1099 {
1100 SAM_ACCOUNT *sampw = NULL;
1101 struct passwd *unix_pw;
1102 const char *user_name;
1103
1104 *name_type = SID_NAME_UNKNOWN;
1105
1106 /*
1107 * We can only convert to a uid if this is our local
1108 * Domain SID (ie. we are the controling authority).
1109 */
1110 if (!sid_check_is_in_our_domain(psid) ) {
1111 DEBUG(5,("local_sid_to_uid: this SID (%s) is not from our domain\n", sid_string_static(psid)));
1112 return False;
1113 }
1114
1115 /* lookup the user account */
1116
1117 if ( !NT_STATUS_IS_OK(pdb_init_sam(&sampw)) ) {
1118 DEBUG(0,("local_sid_to_uid: Failed to allocate memory for SAM_ACCOUNT object\n"));
1119 return False;
1120 }
1121
1122 become_root();
1123 if ( !pdb_getsampwsid(sampw, psid) ) {
1124 unbecome_root();
1125 DEBUG(8,("local_sid_to_uid: Could not find SID %s in passdb\n",
1126 sid_string_static(psid)));
1127 return False;
1128 }
1129 unbecome_root();
1130
1131 user_name = pdb_get_username(sampw);
1132
1133 unix_pw = sys_getpwnam( user_name );
1134
1135 if ( !unix_pw ) {
1136 DEBUG(0,("local_sid_to_uid: %s found in passdb but getpwnam() return NULL!\n",
1137 user_name));
1138 pdb_free_sam( &sampw );
1139 return False;
1140 }
1141
1142 *puid = unix_pw->pw_uid;
1143
1144 DEBUG(10,("local_sid_to_uid: SID %s -> uid (%u) (%s).\n", sid_string_static(psid),
1145 (unsigned int)*puid, user_name ));
1146
1147 *name_type = SID_NAME_USER;
1148
1149 return True;
1150 }
1151
1152 /****************************************************************************
1153 Convert a gid to SID - locally.
1154 ****************************************************************************/
1155
1156 DOM_SID *local_gid_to_sid(DOM_SID *psid, gid_t gid)
1157 {
1158 GROUP_MAP group;
1159
1160 /* we don't need to disable winbindd since the gid is stored in
1161 the GROUP_MAP object */
1162
1163 if ( !pdb_getgrgid( &group, gid ) ) {
1164
1165 /* fallback to rid mapping if enabled */
1166
1167 if ( lp_enable_rid_algorithm() ) {
1168 sid_copy(psid, get_global_sam_sid());
1169 sid_append_rid(psid, pdb_gid_to_group_rid(gid));
1170
1171 DEBUG(10,("local_gid_to_sid: Fall back to algorithmic mapping: %u -> %s\n",
1172 (unsigned int)gid, sid_string_static(psid)));
1173
1174 return psid;
1175 }
1176 else
1177 return NULL;
1178 }
1179
1180 sid_copy( psid, &group.sid );
1181
1182 DEBUG(10,("local_gid_to_sid: gid (%d) -> SID %s.\n",
1183 (unsigned int)gid, sid_string_static(psid)));
1184
1185 return psid;
1186 }
1187
1188 /****************************************************************************
1189 Convert a SID to gid - locally.
1190 ****************************************************************************/
1191
1192 BOOL local_sid_to_gid(gid_t *pgid, const DOM_SID *psid, enum SID_NAME_USE *name_type)
1193 {
1194 uint32 rid;
1195 GROUP_MAP group;
1196
1197 *name_type = SID_NAME_UNKNOWN;
1198
1199 /* This call can enumerate group mappings for foreign sids as well.
1200 So don't check for a match against our domain SID */
1201
1202 /* we don't need to disable winbindd since the gid is stored in
1203 the GROUP_MAP object */
1204
1205 if ( !pdb_getgrsid(&group, *psid) ) {
1206
1207 /* fallback to rid mapping if enabled */
1208
1209 if ( lp_enable_rid_algorithm() ) {
1210
1211 if (!sid_check_is_in_our_domain(psid) ) {
1212 DEBUG(5,("local_sid_to_gid: RID algorithm only supported for our domain (%s is not)\n", sid_string_static(psid)));
1213 return False;
1214 }
1215
1216 if (!sid_peek_rid(psid, &rid)) {
1217 DEBUG(10,("local_sid_to_uid: invalid SID!\n"));
1218 return False;
1219 }
1220
1221 DEBUG(10,("local_sid_to_gid: Fall back to algorithmic mapping\n"));
1222
1223 if (fallback_pdb_rid_is_user(rid)) {
1224 DEBUG(3, ("local_sid_to_gid: SID %s is *NOT* a group\n", sid_string_static(psid)));
1225 return False;
1226 } else {
1227 *pgid = pdb_group_rid_to_gid(rid);
1228 DEBUG(10,("local_sid_to_gid: mapping: %s -> %u\n", sid_string_static(psid), (unsigned int)(*pgid)));
1229 return True;
1230 }
1231 }
1232
1233 return False;
1234 }
1235
1236 *pgid = group.gid;
1237
1238 DEBUG(10,("local_sid_to_gid: SID %s -> gid (%u)\n", sid_string_static(psid),
1239 (unsigned int)*pgid));
1240
1241 return True;
1242 }
1243
1244 /**********************************************************************
1245 Marshall/unmarshall SAM_ACCOUNT structs.
1246 *********************************************************************/
1247
1248 #define TDB_FORMAT_STRING "ddddddBBBBBBBBBBBBddBBwdwdBdd"
1249
1250 /**********************************************************************
1251 Intialize a SAM_ACCOUNT struct from a BYTE buffer of size len
1252 *********************************************************************/
1253
1254 BOOL init_sam_from_buffer(SAM_ACCOUNT *sampass, uint8 *buf, uint32 buflen)
1255 {
1256
1257 /* times are stored as 32bit integer
1258 take care on system with 64bit wide time_t
1259 --SSS */
1260 uint32 logon_time,
1261 logoff_time,
1262 kickoff_time,
1263 pass_last_set_time,
1264 pass_can_change_time,
1265 pass_must_change_time;
1266 char *username;
1267 char *domain;
1268 char *nt_username;
1269 char *dir_drive;
1270 char *unknown_str;
1271 char *munged_dial;
1272 char *fullname;
1273 char *homedir;
1274 char *logon_script;
1275 char *profile_path;
1276 char *acct_desc;
1277 char *workstations;
1278 uint32 username_len, domain_len, nt_username_len,
1279 dir_drive_len, unknown_str_len, munged_dial_len,
1280 fullname_len, homedir_len, logon_script_len,
1281 profile_path_len, acct_desc_len, workstations_len;
1282
1283 uint32 user_rid, group_rid, unknown_3, hours_len, unknown_5, unknown_6;
1284 uint16 acct_ctrl, logon_divs;
1285 uint8 *hours;
1286 static uint8 *lm_pw_ptr, *nt_pw_ptr;
1287 uint32 len = 0;
1288 uint32 lm_pw_len, nt_pw_len, hourslen;
1289 BOOL ret = True;
1290 uid_t uid = -1;
1291 gid_t gid = -1;
1292
1293 if(sampass == NULL || buf == NULL) {
1294 DEBUG(0, ("init_sam_from_buffer: NULL parameters found!\n"));
1295 return False;
1296 }
1297
1298 /* unpack the buffer into variables */
1299 len = tdb_unpack (buf, buflen, TDB_FORMAT_STRING,
1300 &logon_time,
1301 &logoff_time,
1302 &kickoff_time,
1303 &pass_last_set_time,
1304 &pass_can_change_time,
1305 &pass_must_change_time,
1306 &username_len, &username,
1307 &domain_len, &domain,
1308 &nt_username_len, &nt_username,
1309 &fullname_len, &fullname,
1310 &homedir_len, &homedir,
1311 &dir_drive_len, &dir_drive,
1312 &logon_script_len, &logon_script,
1313 &profile_path_len, &profile_path,
1314 &acct_desc_len, &acct_desc,
1315 &workstations_len, &workstations,
1316 &unknown_str_len, &unknown_str,
1317 &munged_dial_len, &munged_dial,
1318 &user_rid,
1319 &group_rid,
1320 &lm_pw_len, &lm_pw_ptr,
1321 &nt_pw_len, &nt_pw_ptr,
1322 &acct_ctrl,
1323 &unknown_3,
1324 &logon_divs,
1325 &hours_len,
1326 &hourslen, &hours,
1327 &unknown_5,
1328 &unknown_6);
1329
1330 if (len == -1) {
1331 ret = False;
1332 goto done;
1333 }
1334
1335 pdb_set_logon_time(sampass, logon_time, PDB_SET);
1336 pdb_set_logoff_time(sampass, logoff_time, PDB_SET);
1337 pdb_set_kickoff_time(sampass, kickoff_time, PDB_SET);
1338 pdb_set_pass_can_change_time(sampass, pass_can_change_time, PDB_SET);
1339 pdb_set_pass_must_change_time(sampass, pass_must_change_time, PDB_SET);
1340 pdb_set_pass_last_set_time(sampass, pass_last_set_time, PDB_SET);
1341
1342 pdb_set_username(sampass, username, PDB_SET);
1343 pdb_set_domain(sampass, domain, PDB_SET);
1344 pdb_set_nt_username(sampass, nt_username, PDB_SET);
1345 pdb_set_fullname(sampass, fullname, PDB_SET);
1346
1347 if (homedir) {
1348 pdb_set_homedir(sampass, homedir, PDB_SET);
1349 }
1350 else {
1351 pdb_set_homedir(sampass,
1352 talloc_sub_specified(sampass->mem_ctx,
1353 lp_logon_home(),
1354 username, domain,
1355 uid, gid),
1356 PDB_DEFAULT);
1357 }
1358
1359 if (dir_drive)
1360 pdb_set_dir_drive(sampass, dir_drive, PDB_SET);
1361 else {
1362 pdb_set_dir_drive(sampass,
1363 talloc_sub_specified(sampass->mem_ctx,
1364 lp_logon_drive(),
1365 username, domain,
1366 uid, gid),
1367 PDB_DEFAULT);
1368 }
1369
1370 if (logon_script)
1371 pdb_set_logon_script(sampass, logon_script, PDB_SET);
1372 else {
1373 pdb_set_logon_script(sampass,
1374 talloc_sub_specified(sampass->mem_ctx,
1375 lp_logon_script(),
1376 username, domain,
1377 uid, gid),
1378 PDB_DEFAULT);
1379 }
1380
1381 if (profile_path) {
1382 pdb_set_profile_path(sampass, profile_path, PDB_SET);
1383 } else {
1384 pdb_set_profile_path(sampass,
1385 talloc_sub_specified(sampass->mem_ctx,
1386 lp_logon_path(),
1387 username, domain,
1388 uid, gid),
1389 PDB_DEFAULT);
1390 }
1391
1392 pdb_set_acct_desc(sampass, acct_desc, PDB_SET);
1393 pdb_set_workstations(sampass, workstations, PDB_SET);
1394 pdb_set_munged_dial(sampass, munged_dial, PDB_SET);
1395
1396 if (lm_pw_ptr && lm_pw_len == LM_HASH_LEN) {
1397 if (!pdb_set_lanman_passwd(sampass, lm_pw_ptr, PDB_SET)) {
1398 ret = False;
1399 goto done;
1400 }
1401 }
1402
1403 if (nt_pw_ptr && nt_pw_len == NT_HASH_LEN) {
1404 if (!pdb_set_nt_passwd(sampass, nt_pw_ptr, PDB_SET)) {
1405 ret = False;
1406 goto done;
1407 }
1408 }
1409
1410 pdb_set_user_sid_from_rid(sampass, user_rid, PDB_SET);
1411 pdb_set_group_sid_from_rid(sampass, group_rid, PDB_SET);
1412 pdb_set_unknown_3(sampass, unknown_3, PDB_SET);
1413 pdb_set_hours_len(sampass, hours_len, PDB_SET);
1414 pdb_set_unknown_5(sampass, unknown_5, PDB_SET);
1415 pdb_set_unknown_6(sampass, unknown_6, PDB_SET);
1416 pdb_set_acct_ctrl(sampass, acct_ctrl, PDB_SET);
1417 pdb_set_logon_divs(sampass, logon_divs, PDB_SET);
1418 pdb_set_hours(sampass, hours, PDB_SET);
1419
1420 done:
1421
1422 SAFE_FREE(username);
1423 SAFE_FREE(domain);
1424 SAFE_FREE(nt_username);
1425 SAFE_FREE(fullname);
1426 SAFE_FREE(homedir);
1427 SAFE_FREE(dir_drive);
1428 SAFE_FREE(logon_script);
1429 SAFE_FREE(profile_path);
1430 SAFE_FREE(acct_desc);
1431 SAFE_FREE(workstations);
1432 SAFE_FREE(munged_dial);
1433 SAFE_FREE(unknown_str);
1434 SAFE_FREE(hours);
1435
1436 return ret;
1437 }
1438
1439 /**********************************************************************
1440 Intialize a BYTE buffer from a SAM_ACCOUNT struct
1441 *********************************************************************/
1442
1443 uint32 init_buffer_from_sam (uint8 **buf, const SAM_ACCOUNT *sampass, BOOL size_only)
1444 {
1445 size_t len, buflen;
1446
1447 /* times are stored as 32bit integer
1448 take care on system with 64bit wide time_t
1449 --SSS */
1450 uint32 logon_time,
1451 logoff_time,
1452 kickoff_time,
1453 pass_last_set_time,
1454 pass_can_change_time,
1455 pass_must_change_time;
1456
1457 uint32 user_rid, group_rid;
1458
1459 const char *username;
1460 const char *domain;
1461 const char *nt_username;
1462 const char *dir_drive;
1463 const char *unknown_str;
1464 const char *munged_dial;
1465 const char *fullname;
1466 const char *homedir;
1467 const char *logon_script;
1468 const char *profile_path;
1469 const char *acct_desc;
1470 const char *workstations;
1471 uint32 username_len, domain_len, nt_username_len,
1472 dir_drive_len, unknown_str_len, munged_dial_len,
1473 fullname_len, homedir_len, logon_script_len,
1474 profile_path_len, acct_desc_len, workstations_len;
1475
1476 const uint8 *lm_pw;
1477 const uint8 *nt_pw;
1478 uint32 lm_pw_len = 16;
1479 uint32 nt_pw_len = 16;
1480
1481 /* do we have a valid SAM_ACCOUNT pointer? */
1482 if (sampass == NULL) {
1483 DEBUG(0, ("init_buffer_from_sam: SAM_ACCOUNT is NULL!\n"));
1484 return -1;
1485 }
1486
1487 *buf = NULL;
1488 buflen = 0;
1489
1490 logon_time = (uint32)pdb_get_logon_time(sampass);
1491 logoff_time = (uint32)pdb_get_logoff_time(sampass);
1492 kickoff_time = (uint32)pdb_get_kickoff_time(sampass);
1493 pass_can_change_time = (uint32)pdb_get_pass_can_change_time(sampass);
1494 pass_must_change_time = (uint32)pdb_get_pass_must_change_time(sampass);
1495 pass_last_set_time = (uint32)pdb_get_pass_last_set_time(sampass);
1496
1497 user_rid = pdb_get_user_rid(sampass);
1498 group_rid = pdb_get_group_rid(sampass);
1499
1500 username = pdb_get_username(sampass);
1501 if (username)
1502 username_len = strlen(username) +1;
1503 else
1504 username_len = 0;
1505
1506 domain = pdb_get_domain(sampass);
1507 if (domain)
1508 domain_len = strlen(domain) +1;
1509 else
1510 domain_len = 0;
1511
1512 nt_username = pdb_get_nt_username(sampass);
1513 if (nt_username)
1514 nt_username_len = strlen(nt_username) +1;
1515 else
1516 nt_username_len = 0;
1517
1518 fullname = pdb_get_fullname(sampass);
1519 if (fullname)
1520 fullname_len = strlen(fullname) +1;
1521 else
1522 fullname_len = 0;
1523
1524 /*
1525 * Only updates fields which have been set (not defaults from smb.conf)
1526 */
1527
1528 if (!IS_SAM_DEFAULT(sampass, PDB_DRIVE))
1529 dir_drive = pdb_get_dir_drive(sampass);
1530 else
1531 dir_drive = NULL;
1532 if (dir_drive)
1533 dir_drive_len = strlen(dir_drive) +1;
1534 else
1535 dir_drive_len = 0;
1536
1537 if (!IS_SAM_DEFAULT(sampass, PDB_SMBHOME))
1538 homedir = pdb_get_homedir(sampass);
1539 else
1540 homedir = NULL;
1541 if (homedir)
1542 homedir_len = strlen(homedir) +1;
1543 else
1544 homedir_len = 0;
1545
1546 if (!IS_SAM_DEFAULT(sampass, PDB_LOGONSCRIPT))
1547 logon_script = pdb_get_logon_script(sampass);
1548 else
1549 logon_script = NULL;
1550 if (logon_script)
1551 logon_script_len = strlen(logon_script) +1;
1552 else
1553 logon_script_len = 0;
1554
1555 if (!IS_SAM_DEFAULT(sampass, PDB_PROFILE))
1556 profile_path = pdb_get_profile_path(sampass);
1557 else
1558 profile_path = NULL;
1559 if (profile_path)
1560 profile_path_len = strlen(profile_path) +1;
1561 else
1562 profile_path_len = 0;
1563
1564 lm_pw = pdb_get_lanman_passwd(sampass);
1565 if (!lm_pw)
1566 lm_pw_len = 0;
1567
1568 nt_pw = pdb_get_nt_passwd(sampass);
1569 if (!nt_pw)
1570 nt_pw_len = 0;
1571
1572 acct_desc = pdb_get_acct_desc(sampass);
1573 if (acct_desc)
1574 acct_desc_len = strlen(acct_desc) +1;
1575 else
1576 acct_desc_len = 0;
1577
1578 workstations = pdb_get_workstations(sampass);
1579 if (workstations)
1580 workstations_len = strlen(workstations) +1;
1581 else
1582 workstations_len = 0;
1583
1584 unknown_str = NULL;
1585 unknown_str_len = 0;
1586
1587 munged_dial = pdb_get_munged_dial(sampass);
1588 if (munged_dial)
1589 munged_dial_len = strlen(munged_dial) +1;
1590 else
1591 munged_dial_len = 0;
1592
1593 /* one time to get the size needed */
1594 len = tdb_pack(NULL, 0, TDB_FORMAT_STRING,
1595 logon_time,
1596 logoff_time,
1597 kickoff_time,
1598 pass_last_set_time,
1599 pass_can_change_time,
1600 pass_must_change_time,
1601 username_len, username,
1602 domain_len, domain,
1603 nt_username_len, nt_username,
1604 fullname_len, fullname,
1605 homedir_len, homedir,
1606 dir_drive_len, dir_drive,
1607 logon_script_len, logon_script,
1608 profile_path_len, profile_path,
1609 acct_desc_len, acct_desc,
1610 workstations_len, workstations,
1611 unknown_str_len, unknown_str,
1612 munged_dial_len, munged_dial,
1613 user_rid,
1614 group_rid,
1615 lm_pw_len, lm_pw,
1616 nt_pw_len, nt_pw,
1617 pdb_get_acct_ctrl(sampass),
1618 pdb_get_unknown_3(sampass),
1619 pdb_get_logon_divs(sampass),
1620 pdb_get_hours_len(sampass),
1621 MAX_HOURS_LEN, pdb_get_hours(sampass),
1622 pdb_get_unknown_5(sampass),
1623 pdb_get_unknown_6(sampass));
1624
1625
1626 if (size_only)
1627 return buflen;
1628
1629 /* malloc the space needed */
1630 if ( (*buf=(uint8*)malloc(len)) == NULL) {
1631 DEBUG(0,("init_buffer_from_sam: Unable to malloc() memory for buffer!\n"));
1632 return (-1);
1633 }
1634
1635 /* now for the real call to tdb_pack() */
1636 buflen = tdb_pack(*buf, len, TDB_FORMAT_STRING,
1637 logon_time,
1638 logoff_time,
1639 kickoff_time,
1640 pass_last_set_time,
1641 pass_can_change_time,
1642 pass_must_change_time,
1643 username_len, username,
1644 domain_len, domain,
1645 nt_username_len, nt_username,
1646 fullname_len, fullname,
1647 homedir_len, homedir,
1648 dir_drive_len, dir_drive,
1649 logon_script_len, logon_script,
1650 profile_path_len, profile_path,
1651 acct_desc_len, acct_desc,
1652 workstations_len, workstations,
1653 unknown_str_len, unknown_str,
1654 munged_dial_len, munged_dial,
1655 user_rid,
1656 group_rid,
1657 lm_pw_len, lm_pw,
1658 nt_pw_len, nt_pw,
1659 pdb_get_acct_ctrl(sampass),
1660 pdb_get_unknown_3(sampass),
1661 pdb_get_logon_divs(sampass),
1662 pdb_get_hours_len(sampass),
1663 MAX_HOURS_LEN, pdb_get_hours(sampass),
1664 pdb_get_unknown_5(sampass),
1665 pdb_get_unknown_6(sampass));
1666
1667
1668 /* check to make sure we got it correct */
1669 if (buflen != len) {
1670 DEBUG(0, ("init_buffer_from_sam: somthing odd is going on here: bufflen (%d) != len (%d) in tdb_pack operations!\n",
1671 buflen, len));
1672 /* error */
1673 SAFE_FREE (*buf);
1674 return (-1);
1675 }
1676
1677 return (buflen);
1678 }
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