Line data Source code
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 3 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, see <http://www.gnu.org/licenses/>.
23 : */
24 :
25 : #include "includes.h"
26 : #include "passdb.h"
27 : #include "system/passwd.h"
28 : #include "../libcli/auth/libcli_auth.h"
29 : #include "secrets.h"
30 : #include "../libcli/security/security.h"
31 : #include "../lib/util/util_pw.h"
32 : #include "util_tdb.h"
33 : #include "auth/credentials/credentials.h"
34 : #include "lib/param/param.h"
35 : #include "lib/util/string_wrappers.h"
36 : #include "source3/lib/substitute.h"
37 :
38 : #undef DBGC_CLASS
39 : #define DBGC_CLASS DBGC_PASSDB
40 :
41 : /**********************************************************************
42 : ***********************************************************************/
43 :
44 106210 : static int samu_destroy(struct samu *user)
45 : {
46 106210 : data_blob_clear_free( &user->lm_pw );
47 106210 : data_blob_clear_free( &user->nt_pw );
48 :
49 106210 : if ( user->plaintext_pw )
50 576 : BURN_STR(user->plaintext_pw);
51 :
52 106210 : return 0;
53 : }
54 :
55 : /**********************************************************************
56 : generate a new struct samuser
57 : ***********************************************************************/
58 :
59 106217 : struct samu *samu_new( TALLOC_CTX *ctx )
60 : {
61 329 : struct samu *user;
62 :
63 106217 : if ( !(user = talloc_zero( ctx, struct samu )) ) {
64 0 : DEBUG(0,("samuser_new: Talloc failed!\n"));
65 0 : return NULL;
66 : }
67 :
68 106217 : talloc_set_destructor( user, samu_destroy );
69 :
70 : /* no initial methods */
71 :
72 106217 : user->methods = NULL;
73 :
74 : /* Don't change these timestamp settings without a good reason.
75 : They are important for NT member server compatibility. */
76 :
77 106217 : user->logon_time = (time_t)0;
78 106217 : user->pass_last_set_time = (time_t)0;
79 106217 : user->pass_can_change_time = (time_t)0;
80 106217 : user->logoff_time = get_time_t_max();
81 106217 : user->kickoff_time = get_time_t_max();
82 106217 : user->fields_present = 0x00ffffff;
83 106217 : user->logon_divs = 168; /* hours per week */
84 106217 : user->hours_len = 21; /* 21 times 8 bits = 168 */
85 106217 : memset(user->hours, 0xff, user->hours_len); /* available at all hours */
86 106217 : user->bad_password_count = 0;
87 106217 : user->logon_count = 0;
88 106217 : user->unknown_6 = 0x000004ec; /* don't know */
89 :
90 : /* Some parts of samba strlen their pdb_get...() returns,
91 : so this keeps the interface unchanged for now. */
92 :
93 106217 : user->username = "";
94 106217 : user->domain = "";
95 106217 : user->nt_username = "";
96 106217 : user->full_name = "";
97 106217 : user->home_dir = "";
98 106217 : user->logon_script = "";
99 106217 : user->profile_path = "";
100 106217 : user->acct_desc = "";
101 106217 : user->workstations = "";
102 106217 : user->comment = "";
103 106217 : user->munged_dial = "";
104 :
105 106217 : user->plaintext_pw = NULL;
106 :
107 : /* Unless we know otherwise have a Account Control Bit
108 : value of 'normal user'. This helps User Manager, which
109 : asks for a filtered list of users. */
110 :
111 106217 : user->acct_ctrl = ACB_NORMAL;
112 :
113 106217 : return user;
114 : }
115 :
116 2875 : static int count_commas(const char *str)
117 : {
118 2875 : int num_commas = 0;
119 2875 : const char *comma = str;
120 :
121 2875 : while ((comma = strchr(comma, ',')) != NULL) {
122 0 : comma += 1;
123 0 : num_commas += 1;
124 : }
125 2875 : return num_commas;
126 : }
127 :
128 : /*********************************************************************
129 : Initialize a struct samu from a struct passwd including the user
130 : and group SIDs. The *user structure is filled out with the Unix
131 : attributes and a user SID.
132 : *********************************************************************/
133 :
134 2875 : static NTSTATUS samu_set_unix_internal(struct pdb_methods *methods,
135 : struct samu *user, const struct passwd *pwd, bool create)
136 : {
137 2875 : const char *guest_account = lp_guest_account();
138 2875 : const char *domain = lp_netbios_name();
139 0 : char *fullname;
140 0 : uint32_t urid;
141 0 : bool ok;
142 :
143 2875 : if ( !pwd ) {
144 0 : return NT_STATUS_NO_SUCH_USER;
145 : }
146 :
147 : /* Basic properties based upon the Unix account information */
148 :
149 2875 : ok = pdb_set_username(user, pwd->pw_name, PDB_SET);
150 2875 : if (!ok) {
151 0 : return NT_STATUS_NO_MEMORY;
152 : }
153 :
154 2875 : fullname = NULL;
155 :
156 2875 : if (count_commas(pwd->pw_gecos) == 3) {
157 : /*
158 : * Heuristic: This seems to be a gecos field that has been
159 : * edited by chfn(1). Only use the part before the first
160 : * comma. Fixes bug 5198.
161 : */
162 0 : fullname = talloc_strndup(
163 0 : talloc_tos(), pwd->pw_gecos,
164 0 : strchr(pwd->pw_gecos, ',') - pwd->pw_gecos);
165 0 : if (fullname == NULL) {
166 0 : return NT_STATUS_NO_MEMORY;
167 : }
168 : }
169 :
170 2875 : if (fullname != NULL) {
171 0 : ok = pdb_set_fullname(user, fullname, PDB_SET);
172 : } else {
173 2875 : ok = pdb_set_fullname(user, pwd->pw_gecos, PDB_SET);
174 : }
175 2875 : TALLOC_FREE(fullname);
176 :
177 2875 : if (!ok) {
178 0 : return NT_STATUS_NO_MEMORY;
179 : }
180 :
181 2875 : ok = pdb_set_domain(user, get_global_sam_name(), PDB_DEFAULT);
182 2875 : if (!ok) {
183 0 : return NT_STATUS_NO_MEMORY;
184 : }
185 : #if 0
186 : /* This can lead to a primary group of S-1-22-2-XX which
187 : will be rejected by other parts of the Samba code.
188 : Rely on pdb_get_group_sid() to "Do The Right Thing" (TM)
189 : --jerry */
190 :
191 : gid_to_sid(&group_sid, pwd->pw_gid);
192 : pdb_set_group_sid(user, &group_sid, PDB_SET);
193 : #endif
194 :
195 : /* save the password structure for later use */
196 :
197 2875 : user->unix_pw = tcopy_passwd( user, pwd );
198 2875 : if (user->unix_pw == NULL) {
199 0 : return NT_STATUS_NO_MEMORY;
200 : }
201 :
202 : /* Special case for the guest account which must have a RID of 501 */
203 :
204 2875 : if ( strequal( pwd->pw_name, guest_account ) ) {
205 96 : if ( !pdb_set_user_sid_from_rid(user, DOMAIN_RID_GUEST, PDB_DEFAULT)) {
206 0 : return NT_STATUS_NO_SUCH_USER;
207 : }
208 96 : return NT_STATUS_OK;
209 : }
210 :
211 : /* Non-guest accounts...Check for a workstation or user account */
212 :
213 2779 : if (pwd->pw_name[strlen(pwd->pw_name)-1] == '$') {
214 : /* workstation */
215 :
216 42 : if (!pdb_set_acct_ctrl(user, ACB_WSTRUST, PDB_DEFAULT)) {
217 0 : DEBUG(1, ("Failed to set 'workstation account' flags for user %s.\n",
218 : pwd->pw_name));
219 0 : return NT_STATUS_INVALID_COMPUTER_NAME;
220 : }
221 : }
222 : else {
223 : /* user */
224 :
225 2737 : if (!pdb_set_acct_ctrl(user, ACB_NORMAL, PDB_DEFAULT)) {
226 0 : DEBUG(1, ("Failed to set 'normal account' flags for user %s.\n",
227 : pwd->pw_name));
228 0 : return NT_STATUS_INVALID_ACCOUNT_NAME;
229 : }
230 :
231 : /* set some basic attributes */
232 :
233 2737 : ok = pdb_set_profile_path(
234 : user,
235 2737 : talloc_sub_specified(
236 : user,
237 : lp_logon_path(),
238 2737 : pwd->pw_name,
239 : NULL,
240 : domain,
241 2737 : pwd->pw_uid,
242 2737 : pwd->pw_gid),
243 : PDB_DEFAULT);
244 2737 : ok &= pdb_set_homedir(
245 : user,
246 2737 : talloc_sub_specified(
247 : user,
248 : lp_logon_home(),
249 2737 : pwd->pw_name,
250 : NULL,
251 : domain,
252 2737 : pwd->pw_uid,
253 2737 : pwd->pw_gid),
254 : PDB_DEFAULT);
255 2737 : ok &= pdb_set_dir_drive(
256 : user,
257 2737 : talloc_sub_specified(
258 : user,
259 : lp_logon_drive(),
260 2737 : pwd->pw_name,
261 : NULL,
262 : domain,
263 2737 : pwd->pw_uid,
264 2737 : pwd->pw_gid),
265 : PDB_DEFAULT);
266 2737 : ok &= pdb_set_logon_script(
267 : user,
268 2737 : talloc_sub_specified(
269 : user,
270 : lp_logon_script(),
271 2737 : pwd->pw_name,
272 : NULL,
273 : domain,
274 2737 : pwd->pw_uid,
275 2737 : pwd->pw_gid),
276 : PDB_DEFAULT);
277 2737 : if (!ok) {
278 0 : return NT_STATUS_NO_MEMORY;
279 : }
280 : }
281 :
282 : /* Now deal with the user SID. If we have a backend that can generate
283 : RIDs, then do so. But sometimes the caller just wanted a structure
284 : initialized and will fill in these fields later (such as from a
285 : netr_SamInfo3 structure) */
286 :
287 2779 : if ( create && (methods->capabilities(methods) & PDB_CAP_STORE_RIDS)) {
288 0 : uint32_t user_rid;
289 0 : struct dom_sid user_sid;
290 :
291 552 : if ( !methods->new_rid(methods, &user_rid) ) {
292 0 : DEBUG(3, ("Could not allocate a new RID\n"));
293 0 : return NT_STATUS_ACCESS_DENIED;
294 : }
295 :
296 552 : sid_compose(&user_sid, get_global_sam_sid(), user_rid);
297 :
298 552 : if ( !pdb_set_user_sid(user, &user_sid, PDB_SET) ) {
299 0 : DEBUG(3, ("pdb_set_user_sid failed\n"));
300 0 : return NT_STATUS_INTERNAL_ERROR;
301 : }
302 :
303 552 : return NT_STATUS_OK;
304 : }
305 :
306 : /* generate a SID for the user with the RID algorithm */
307 :
308 2227 : urid = algorithmic_pdb_uid_to_user_rid( user->unix_pw->pw_uid );
309 :
310 2227 : if ( !pdb_set_user_sid_from_rid( user, urid, PDB_SET) ) {
311 0 : return NT_STATUS_INTERNAL_ERROR;
312 : }
313 :
314 2227 : return NT_STATUS_OK;
315 : }
316 :
317 : /********************************************************************
318 : Set the Unix user attributes
319 : ********************************************************************/
320 :
321 2323 : NTSTATUS samu_set_unix(struct samu *user, const struct passwd *pwd)
322 : {
323 2323 : return samu_set_unix_internal( NULL, user, pwd, False );
324 : }
325 :
326 552 : NTSTATUS samu_alloc_rid_unix(struct pdb_methods *methods,
327 : struct samu *user, const struct passwd *pwd)
328 : {
329 552 : return samu_set_unix_internal( methods, user, pwd, True );
330 : }
331 :
332 : /**********************************************************
333 : Encode the account control bits into a string.
334 : length = length of string to encode into (including terminating
335 : null). length *MUST BE MORE THAN 2* !
336 : **********************************************************/
337 :
338 9 : char *pdb_encode_acct_ctrl(uint32_t acct_ctrl, size_t length)
339 : {
340 0 : fstring acct_str;
341 0 : char *result;
342 :
343 9 : size_t i = 0;
344 :
345 9 : SMB_ASSERT(length <= sizeof(acct_str));
346 :
347 9 : acct_str[i++] = '[';
348 :
349 9 : if (acct_ctrl & ACB_PWNOTREQ ) acct_str[i++] = 'N';
350 9 : if (acct_ctrl & ACB_DISABLED ) acct_str[i++] = 'D';
351 9 : if (acct_ctrl & ACB_HOMDIRREQ) acct_str[i++] = 'H';
352 9 : if (acct_ctrl & ACB_TEMPDUP ) acct_str[i++] = 'T';
353 9 : if (acct_ctrl & ACB_NORMAL ) acct_str[i++] = 'U';
354 9 : if (acct_ctrl & ACB_MNS ) acct_str[i++] = 'M';
355 9 : if (acct_ctrl & ACB_WSTRUST ) acct_str[i++] = 'W';
356 9 : if (acct_ctrl & ACB_SVRTRUST ) acct_str[i++] = 'S';
357 9 : if (acct_ctrl & ACB_AUTOLOCK ) acct_str[i++] = 'L';
358 9 : if (acct_ctrl & ACB_PWNOEXP ) acct_str[i++] = 'X';
359 9 : if (acct_ctrl & ACB_DOMTRUST ) acct_str[i++] = 'I';
360 :
361 96 : for ( ; i < length - 2 ; i++ )
362 87 : acct_str[i] = ' ';
363 :
364 9 : i = length - 2;
365 9 : acct_str[i++] = ']';
366 9 : acct_str[i++] = '\0';
367 :
368 9 : result = talloc_strdup(talloc_tos(), acct_str);
369 9 : SMB_ASSERT(result != NULL);
370 9 : return result;
371 : }
372 :
373 : /**********************************************************
374 : Decode the account control bits from a string.
375 : **********************************************************/
376 :
377 0 : uint32_t pdb_decode_acct_ctrl(const char *p)
378 : {
379 0 : uint32_t acct_ctrl = 0;
380 0 : bool finished = false;
381 :
382 : /*
383 : * Check if the account type bits have been encoded after the
384 : * NT password (in the form [NDHTUWSLXI]).
385 : */
386 :
387 0 : if (*p != '[')
388 0 : return 0;
389 :
390 0 : for (p++; *p && !finished; p++) {
391 0 : switch (*p) {
392 0 : case 'N': { acct_ctrl |= ACB_PWNOTREQ ; break; /* 'N'o password. */ }
393 0 : case 'D': { acct_ctrl |= ACB_DISABLED ; break; /* 'D'isabled. */ }
394 0 : case 'H': { acct_ctrl |= ACB_HOMDIRREQ; break; /* 'H'omedir required. */ }
395 0 : case 'T': { acct_ctrl |= ACB_TEMPDUP ; break; /* 'T'emp account. */ }
396 0 : case 'U': { acct_ctrl |= ACB_NORMAL ; break; /* 'U'ser account (normal). */ }
397 0 : case 'M': { acct_ctrl |= ACB_MNS ; break; /* 'M'NS logon user account. What is this ? */ }
398 0 : case 'W': { acct_ctrl |= ACB_WSTRUST ; break; /* 'W'orkstation account. */ }
399 0 : case 'S': { acct_ctrl |= ACB_SVRTRUST ; break; /* 'S'erver account. */ }
400 0 : case 'L': { acct_ctrl |= ACB_AUTOLOCK ; break; /* 'L'ocked account. */ }
401 0 : case 'X': { acct_ctrl |= ACB_PWNOEXP ; break; /* No 'X'piry on password */ }
402 0 : case 'I': { acct_ctrl |= ACB_DOMTRUST ; break; /* 'I'nterdomain trust account. */ }
403 0 : case ' ': { break; }
404 0 : case ':':
405 : case '\n':
406 : case '\0':
407 : case ']':
408 0 : default: { finished = true; }
409 : }
410 : }
411 :
412 0 : return acct_ctrl;
413 : }
414 :
415 : /*************************************************************
416 : Routine to set 32 hex password characters from a 16 byte array.
417 : **************************************************************/
418 :
419 6 : void pdb_sethexpwd(char p[33], const unsigned char *pwd, uint32_t acct_ctrl)
420 : {
421 6 : if (pwd != NULL) {
422 5 : hex_encode_buf(p, pwd, 16);
423 : } else {
424 1 : if (acct_ctrl & ACB_PWNOTREQ)
425 0 : strlcpy(p, "NO PASSWORDXXXXXXXXXXXXXXXXXXXXX", 33);
426 : else
427 1 : strlcpy(p, "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX", 33);
428 : }
429 6 : }
430 :
431 : /*************************************************************
432 : Routine to get the 32 hex characters and turn them
433 : into a 16 byte array.
434 : **************************************************************/
435 :
436 3 : bool pdb_gethexpwd(const char *p, unsigned char *pwd)
437 : {
438 0 : int i;
439 0 : unsigned char lonybble, hinybble;
440 3 : const char *hexchars = "0123456789ABCDEF";
441 0 : char *p1, *p2;
442 :
443 3 : if (!p)
444 0 : return false;
445 :
446 51 : for (i = 0; i < 32; i += 2) {
447 48 : hinybble = toupper_m(p[i]);
448 48 : lonybble = toupper_m(p[i + 1]);
449 :
450 48 : p1 = strchr(hexchars, hinybble);
451 48 : p2 = strchr(hexchars, lonybble);
452 :
453 48 : if (!p1 || !p2)
454 0 : return false;
455 :
456 48 : hinybble = PTR_DIFF(p1, hexchars);
457 48 : lonybble = PTR_DIFF(p2, hexchars);
458 :
459 48 : pwd[i / 2] = (hinybble << 4) | lonybble;
460 : }
461 3 : return true;
462 : }
463 :
464 : /*************************************************************
465 : Routine to set 42 hex hours characters from a 21 byte array.
466 : **************************************************************/
467 :
468 13 : void pdb_sethexhours(char *p, const unsigned char *hours)
469 : {
470 13 : if (hours != NULL) {
471 13 : hex_encode_buf(p, hours, 21);
472 : } else {
473 0 : strlcpy(p, "FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF", 44);
474 : }
475 13 : }
476 :
477 : /*************************************************************
478 : Routine to get the 42 hex characters and turn them
479 : into a 21 byte array.
480 : **************************************************************/
481 :
482 0 : bool pdb_gethexhours(const char *p, unsigned char *hours)
483 : {
484 0 : int i;
485 0 : unsigned char lonybble, hinybble;
486 0 : const char *hexchars = "0123456789ABCDEF";
487 0 : char *p1, *p2;
488 :
489 0 : if (!p) {
490 0 : return (False);
491 : }
492 :
493 0 : for (i = 0; i < 42; i += 2) {
494 0 : hinybble = toupper_m(p[i]);
495 0 : lonybble = toupper_m(p[i + 1]);
496 :
497 0 : p1 = strchr(hexchars, hinybble);
498 0 : p2 = strchr(hexchars, lonybble);
499 :
500 0 : if (!p1 || !p2) {
501 0 : return (False);
502 : }
503 :
504 0 : hinybble = PTR_DIFF(p1, hexchars);
505 0 : lonybble = PTR_DIFF(p2, hexchars);
506 :
507 0 : hours[i / 2] = (hinybble << 4) | lonybble;
508 : }
509 0 : return (True);
510 : }
511 :
512 : /********************************************************************
513 : ********************************************************************/
514 :
515 2831 : int algorithmic_rid_base(void)
516 : {
517 0 : int rid_offset;
518 :
519 2831 : rid_offset = lp_algorithmic_rid_base();
520 :
521 2831 : if (rid_offset < BASE_RID) {
522 : /* Try to prevent admin foot-shooting, we can't put algorithmic
523 : rids below 1000, that's the 'well known RIDs' on NT */
524 0 : DEBUG(0, ("'algorithmic rid base' must be equal to or above %ld\n", BASE_RID));
525 0 : rid_offset = BASE_RID;
526 : }
527 2831 : if (rid_offset & 1) {
528 0 : DEBUG(0, ("algorithmic rid base must be even\n"));
529 0 : rid_offset += 1;
530 : }
531 2831 : return rid_offset;
532 : }
533 :
534 : /*******************************************************************
535 : Converts NT user RID to a UNIX uid.
536 : ********************************************************************/
537 :
538 0 : uid_t algorithmic_pdb_user_rid_to_uid(uint32_t user_rid)
539 : {
540 0 : int rid_offset = algorithmic_rid_base();
541 0 : return (uid_t)(((user_rid & (~USER_RID_TYPE)) - rid_offset)/RID_MULTIPLIER);
542 : }
543 :
544 0 : uid_t max_algorithmic_uid(void)
545 : {
546 0 : return algorithmic_pdb_user_rid_to_uid(0xfffffffe);
547 : }
548 :
549 : /*******************************************************************
550 : converts UNIX uid to an NT User RID.
551 : ********************************************************************/
552 :
553 2227 : uint32_t algorithmic_pdb_uid_to_user_rid(uid_t uid)
554 : {
555 2227 : int rid_offset = algorithmic_rid_base();
556 2227 : return (((((uint32_t)uid)*RID_MULTIPLIER) + rid_offset) | USER_RID_TYPE);
557 : }
558 :
559 : /*******************************************************************
560 : Converts NT group RID to a UNIX gid.
561 : ********************************************************************/
562 :
563 0 : gid_t pdb_group_rid_to_gid(uint32_t group_rid)
564 : {
565 0 : int rid_offset = algorithmic_rid_base();
566 0 : return (gid_t)(((group_rid & (~GROUP_RID_TYPE))- rid_offset)/RID_MULTIPLIER);
567 : }
568 :
569 0 : gid_t max_algorithmic_gid(void)
570 : {
571 0 : return pdb_group_rid_to_gid(0xffffffff);
572 : }
573 :
574 : /*******************************************************************
575 : converts NT Group RID to a UNIX uid.
576 :
577 : warning: you must not call that function only
578 : you must do a call to the group mapping first.
579 : there is not anymore a direct link between the gid and the rid.
580 : ********************************************************************/
581 :
582 0 : uint32_t algorithmic_pdb_gid_to_group_rid(gid_t gid)
583 : {
584 0 : int rid_offset = algorithmic_rid_base();
585 0 : return (((((uint32_t)gid)*RID_MULTIPLIER) + rid_offset) | GROUP_RID_TYPE);
586 : }
587 :
588 : /*******************************************************************
589 : Decides if a RID is a well known RID.
590 : ********************************************************************/
591 :
592 0 : static bool rid_is_well_known(uint32_t rid)
593 : {
594 : /* Not using rid_offset here, because this is the actual
595 : NT fixed value (1000) */
596 :
597 0 : return (rid < BASE_RID);
598 : }
599 :
600 : /*******************************************************************
601 : Decides if a RID is a user or group RID.
602 : ********************************************************************/
603 :
604 0 : bool algorithmic_pdb_rid_is_user(uint32_t rid)
605 : {
606 0 : if ( rid_is_well_known(rid) ) {
607 : /*
608 : * The only well known user RIDs are DOMAIN_RID_ADMINISTRATOR
609 : * and DOMAIN_RID_GUEST.
610 : */
611 0 : if(rid == DOMAIN_RID_ADMINISTRATOR || rid == DOMAIN_RID_GUEST)
612 0 : return True;
613 0 : } else if((rid & RID_TYPE_MASK) == USER_RID_TYPE) {
614 0 : return True;
615 : }
616 0 : return False;
617 : }
618 :
619 : /*******************************************************************
620 : Convert a name into a SID. Used in the lookup name rpc.
621 : ********************************************************************/
622 :
623 2940 : bool lookup_global_sam_name(const char *name, int flags, uint32_t *rid,
624 : enum lsa_SidType *type)
625 : {
626 0 : GROUP_MAP *map;
627 0 : bool ret;
628 :
629 : /* Windows treats "MACHINE\None" as a special name for
630 : rid 513 on non-DCs. You cannot create a user or group
631 : name "None" on Windows. You will get an error that
632 : the group already exists. */
633 :
634 2940 : if ( strequal( name, "None" ) ) {
635 0 : *rid = DOMAIN_RID_USERS;
636 0 : *type = SID_NAME_DOM_GRP;
637 :
638 0 : return True;
639 : }
640 :
641 : /* LOOKUP_NAME_GROUP is a hack to allow valid users = @foo to work
642 : * correctly in the case where foo also exists as a user. If the flag
643 : * is set, don't look for users at all. */
644 :
645 2940 : if ((flags & LOOKUP_NAME_GROUP) == 0) {
646 2794 : struct samu *sam_account = NULL;
647 0 : struct dom_sid user_sid;
648 :
649 2794 : if ( !(sam_account = samu_new( NULL )) ) {
650 943 : return False;
651 : }
652 :
653 2794 : become_root();
654 2794 : ret = pdb_getsampwnam(sam_account, name);
655 2794 : unbecome_root();
656 :
657 2794 : if (ret) {
658 943 : sid_copy(&user_sid, pdb_get_user_sid(sam_account));
659 : }
660 :
661 2794 : TALLOC_FREE(sam_account);
662 :
663 2794 : if (ret) {
664 943 : if (!sid_check_is_in_our_sam(&user_sid)) {
665 0 : struct dom_sid_buf buf;
666 0 : DBG_ERR("User %s with invalid SID %s"
667 : " in passdb\n",
668 : name,
669 : dom_sid_str_buf(&user_sid, &buf));
670 0 : return False;
671 : }
672 :
673 943 : sid_peek_rid(&user_sid, rid);
674 943 : *type = SID_NAME_USER;
675 943 : return True;
676 : }
677 : }
678 :
679 : /*
680 : * Maybe it is a group ?
681 : */
682 :
683 1997 : map = talloc_zero(NULL, GROUP_MAP);
684 1997 : if (!map) {
685 0 : return false;
686 : }
687 :
688 1997 : become_root();
689 1997 : ret = pdb_getgrnam(map, name);
690 1997 : unbecome_root();
691 :
692 1997 : if (!ret) {
693 1945 : TALLOC_FREE(map);
694 1945 : return False;
695 : }
696 :
697 : /* BUILTIN groups are looked up elsewhere */
698 52 : if (!sid_check_is_in_our_sam(&map->sid)) {
699 0 : struct dom_sid_buf buf;
700 2 : DEBUG(10, ("Found group %s (%s) not in our domain -- "
701 : "ignoring.\n",
702 : name,
703 : dom_sid_str_buf(&map->sid, &buf)));
704 2 : TALLOC_FREE(map);
705 2 : return False;
706 : }
707 :
708 : /* yes it's a mapped group */
709 50 : sid_peek_rid(&map->sid, rid);
710 50 : *type = map->sid_name_use;
711 50 : TALLOC_FREE(map);
712 50 : return True;
713 : }
714 :
715 : /*************************************************************
716 : Change a password entry in the local passdb backend.
717 :
718 : Assumptions:
719 : - always called as root
720 : - ignores the account type except when adding a new account
721 : - will create/delete the unix account if the relative
722 : add/delete user script is configured
723 :
724 : *************************************************************/
725 :
726 508 : NTSTATUS local_password_change(const char *user_name,
727 : int local_flags,
728 : const char *new_passwd,
729 : char **pp_err_str,
730 : char **pp_msg_str)
731 : {
732 0 : TALLOC_CTX *tosctx;
733 0 : struct samu *sam_pass;
734 0 : uint32_t acb;
735 0 : uint32_t rid;
736 0 : NTSTATUS result;
737 0 : bool user_exists;
738 508 : int ret = -1;
739 :
740 508 : *pp_err_str = NULL;
741 508 : *pp_msg_str = NULL;
742 :
743 508 : tosctx = talloc_tos();
744 :
745 508 : sam_pass = samu_new(tosctx);
746 508 : if (!sam_pass) {
747 0 : result = NT_STATUS_NO_MEMORY;
748 0 : goto done;
749 : }
750 :
751 : /* Get the smb passwd entry for this user */
752 508 : user_exists = pdb_getsampwnam(sam_pass, user_name);
753 :
754 : /* Check delete first, we don't need to do anything else if we
755 : * are going to delete the account */
756 508 : if (user_exists && (local_flags & LOCAL_DELETE_USER)) {
757 :
758 4 : result = pdb_delete_user(tosctx, sam_pass);
759 4 : if (!NT_STATUS_IS_OK(result)) {
760 0 : ret = asprintf(pp_err_str,
761 : "Failed to delete entry for user %s.\n",
762 : user_name);
763 0 : if (ret < 0) {
764 0 : *pp_err_str = NULL;
765 : }
766 0 : result = NT_STATUS_UNSUCCESSFUL;
767 : } else {
768 4 : ret = asprintf(pp_msg_str,
769 : "Deleted user %s.\n",
770 : user_name);
771 4 : if (ret < 0) {
772 0 : *pp_msg_str = NULL;
773 : }
774 : }
775 4 : goto done;
776 : }
777 :
778 504 : if (user_exists && (local_flags & LOCAL_ADD_USER)) {
779 : /* the entry already existed */
780 0 : local_flags &= ~LOCAL_ADD_USER;
781 : }
782 :
783 504 : if (!user_exists && !(local_flags & LOCAL_ADD_USER)) {
784 0 : ret = asprintf(pp_err_str,
785 : "Failed to find entry for user %s.\n",
786 : user_name);
787 0 : if (ret < 0) {
788 0 : *pp_err_str = NULL;
789 : }
790 0 : result = NT_STATUS_NO_SUCH_USER;
791 0 : goto done;
792 : }
793 :
794 : /* First thing add the new user if we are required to do so */
795 504 : if (local_flags & LOCAL_ADD_USER) {
796 :
797 499 : if (local_flags & LOCAL_TRUST_ACCOUNT) {
798 2 : acb = ACB_WSTRUST;
799 497 : } else if (local_flags & LOCAL_INTERDOM_ACCOUNT) {
800 0 : acb = ACB_DOMTRUST;
801 : } else {
802 497 : acb = ACB_NORMAL;
803 : }
804 :
805 499 : result = pdb_create_user(tosctx, user_name, acb, &rid);
806 499 : if (!NT_STATUS_IS_OK(result)) {
807 0 : ret = asprintf(pp_err_str,
808 : "Failed to add entry for user %s.\n",
809 : user_name);
810 0 : if (ret < 0) {
811 0 : *pp_err_str = NULL;
812 : }
813 0 : result = NT_STATUS_UNSUCCESSFUL;
814 0 : goto done;
815 : }
816 :
817 499 : sam_pass = samu_new(tosctx);
818 499 : if (!sam_pass) {
819 0 : result = NT_STATUS_NO_MEMORY;
820 0 : goto done;
821 : }
822 :
823 : /* Now get back the smb passwd entry for this new user */
824 499 : user_exists = pdb_getsampwnam(sam_pass, user_name);
825 499 : if (!user_exists) {
826 0 : ret = asprintf(pp_err_str,
827 : "Failed to add entry for user %s.\n",
828 : user_name);
829 0 : if (ret < 0) {
830 0 : *pp_err_str = NULL;
831 : }
832 0 : result = NT_STATUS_UNSUCCESSFUL;
833 0 : goto done;
834 : }
835 : }
836 :
837 504 : acb = pdb_get_acct_ctrl(sam_pass);
838 :
839 : /*
840 : * We are root - just write the new password
841 : * and the valid last change time.
842 : */
843 504 : if ((local_flags & LOCAL_SET_NO_PASSWORD) && !(acb & ACB_PWNOTREQ)) {
844 0 : acb |= ACB_PWNOTREQ;
845 0 : if (!pdb_set_acct_ctrl(sam_pass, acb, PDB_CHANGED)) {
846 0 : ret = asprintf(pp_err_str,
847 : "Failed to set 'no password required' "
848 : "flag for user %s.\n", user_name);
849 0 : if (ret < 0) {
850 0 : *pp_err_str = NULL;
851 : }
852 0 : result = NT_STATUS_UNSUCCESSFUL;
853 0 : goto done;
854 : }
855 : }
856 :
857 504 : if (local_flags & LOCAL_SET_PASSWORD) {
858 : /*
859 : * If we're dealing with setting a completely empty user account
860 : * ie. One with a password of 'XXXX', but not set disabled (like
861 : * an account created from scratch) then if the old password was
862 : * 'XX's then getsmbpwent will have set the ACB_DISABLED flag.
863 : * We remove that as we're giving this user their first password
864 : * and the decision hasn't really been made to disable them (ie.
865 : * don't create them disabled). JRA.
866 : */
867 504 : if ((pdb_get_lanman_passwd(sam_pass) == NULL) &&
868 502 : (acb & ACB_DISABLED)) {
869 499 : acb &= (~ACB_DISABLED);
870 499 : if (!pdb_set_acct_ctrl(sam_pass, acb, PDB_CHANGED)) {
871 0 : ret = asprintf(pp_err_str,
872 : "Failed to unset 'disabled' "
873 : "flag for user %s.\n",
874 : user_name);
875 0 : if (ret < 0) {
876 0 : *pp_err_str = NULL;
877 : }
878 0 : result = NT_STATUS_UNSUCCESSFUL;
879 0 : goto done;
880 : }
881 : }
882 :
883 504 : acb &= (~ACB_PWNOTREQ);
884 504 : if (!pdb_set_acct_ctrl(sam_pass, acb, PDB_CHANGED)) {
885 0 : ret = asprintf(pp_err_str,
886 : "Failed to unset 'no password required'"
887 : " flag for user %s.\n", user_name);
888 0 : if (ret < 0) {
889 0 : *pp_err_str = NULL;
890 : }
891 0 : result = NT_STATUS_UNSUCCESSFUL;
892 0 : goto done;
893 : }
894 :
895 504 : if (!pdb_set_plaintext_passwd(sam_pass, new_passwd)) {
896 0 : ret = asprintf(pp_err_str,
897 : "Failed to set password for "
898 : "user %s.\n", user_name);
899 0 : if (ret < 0) {
900 0 : *pp_err_str = NULL;
901 : }
902 0 : result = NT_STATUS_UNSUCCESSFUL;
903 0 : goto done;
904 : }
905 : }
906 :
907 504 : if ((local_flags & LOCAL_DISABLE_USER) && !(acb & ACB_DISABLED)) {
908 0 : acb |= ACB_DISABLED;
909 0 : if (!pdb_set_acct_ctrl(sam_pass, acb, PDB_CHANGED)) {
910 0 : ret = asprintf(pp_err_str,
911 : "Failed to set 'disabled' flag for "
912 : "user %s.\n", user_name);
913 0 : if (ret < 0) {
914 0 : *pp_err_str = NULL;
915 : }
916 0 : result = NT_STATUS_UNSUCCESSFUL;
917 0 : goto done;
918 : }
919 : }
920 :
921 504 : if ((local_flags & LOCAL_ENABLE_USER) && (acb & ACB_DISABLED)) {
922 0 : acb &= (~ACB_DISABLED);
923 0 : if (!pdb_set_acct_ctrl(sam_pass, acb, PDB_CHANGED)) {
924 0 : ret = asprintf(pp_err_str,
925 : "Failed to unset 'disabled' flag for "
926 : "user %s.\n", user_name);
927 0 : if (ret < 0) {
928 0 : *pp_err_str = NULL;
929 : }
930 0 : result = NT_STATUS_UNSUCCESSFUL;
931 0 : goto done;
932 : }
933 : }
934 :
935 : /* now commit changes if any */
936 504 : result = pdb_update_sam_account(sam_pass);
937 504 : if (!NT_STATUS_IS_OK(result)) {
938 0 : ret = asprintf(pp_err_str,
939 : "Failed to modify entry for user %s.\n",
940 : user_name);
941 0 : if (ret < 0) {
942 0 : *pp_err_str = NULL;
943 : }
944 0 : goto done;
945 : }
946 :
947 504 : if (local_flags & LOCAL_ADD_USER) {
948 499 : ret = asprintf(pp_msg_str, "Added user %s.\n", user_name);
949 5 : } else if (local_flags & LOCAL_DISABLE_USER) {
950 0 : ret = asprintf(pp_msg_str, "Disabled user %s.\n", user_name);
951 5 : } else if (local_flags & LOCAL_ENABLE_USER) {
952 0 : ret = asprintf(pp_msg_str, "Enabled user %s.\n", user_name);
953 5 : } else if (local_flags & LOCAL_SET_NO_PASSWORD) {
954 0 : ret = asprintf(pp_msg_str,
955 : "User %s password set to none.\n", user_name);
956 : }
957 :
958 504 : if (ret < 0) {
959 5 : *pp_msg_str = NULL;
960 : }
961 :
962 504 : result = NT_STATUS_OK;
963 :
964 508 : done:
965 508 : TALLOC_FREE(sam_pass);
966 508 : return result;
967 : }
968 :
969 : /**********************************************************************
970 : Marshall/unmarshall struct samu structs.
971 : *********************************************************************/
972 :
973 : #define SAMU_BUFFER_FORMAT_V0 "ddddddBBBBBBBBBBBBddBBwdwdBwwd"
974 : #define SAMU_BUFFER_FORMAT_V1 "dddddddBBBBBBBBBBBBddBBwdwdBwwd"
975 : #define SAMU_BUFFER_FORMAT_V2 "dddddddBBBBBBBBBBBBddBBBwwdBwwd"
976 : #define SAMU_BUFFER_FORMAT_V3 "dddddddBBBBBBBBBBBBddBBBdwdBwwd"
977 : /* nothing changed between V3 and V4 */
978 :
979 : /*********************************************************************
980 : *********************************************************************/
981 :
982 0 : static bool init_samu_from_buffer_v0(struct samu *sampass, uint8_t *buf, uint32_t buflen)
983 : {
984 :
985 : /* times are stored as 32bit integer
986 : take care on system with 64bit wide time_t
987 : --SSS */
988 0 : uint32_t logon_time,
989 : logoff_time,
990 : kickoff_time,
991 : pass_last_set_time,
992 : pass_can_change_time,
993 : pass_must_change_time;
994 0 : char *username = NULL;
995 0 : char *domain = NULL;
996 0 : char *nt_username = NULL;
997 0 : char *dir_drive = NULL;
998 0 : char *unknown_str = NULL;
999 0 : char *munged_dial = NULL;
1000 0 : char *fullname = NULL;
1001 0 : char *homedir = NULL;
1002 0 : char *logon_script = NULL;
1003 0 : char *profile_path = NULL;
1004 0 : char *acct_desc = NULL;
1005 0 : char *workstations = NULL;
1006 0 : uint32_t username_len, domain_len, nt_username_len,
1007 : dir_drive_len, unknown_str_len, munged_dial_len,
1008 : fullname_len, homedir_len, logon_script_len,
1009 : profile_path_len, acct_desc_len, workstations_len;
1010 :
1011 0 : uint32_t user_rid, group_rid, remove_me, hours_len, unknown_6;
1012 0 : uint16_t acct_ctrl, logon_divs;
1013 0 : uint16_t bad_password_count, logon_count;
1014 0 : uint8_t *hours = NULL;
1015 0 : uint8_t *lm_pw_ptr = NULL, *nt_pw_ptr = NULL;
1016 0 : uint32_t len = 0;
1017 0 : uint32_t lm_pw_len, nt_pw_len, hourslen;
1018 0 : bool ret = True;
1019 :
1020 0 : if(sampass == NULL || buf == NULL) {
1021 0 : DEBUG(0, ("init_samu_from_buffer_v0: NULL parameters found!\n"));
1022 0 : return False;
1023 : }
1024 :
1025 : /* SAMU_BUFFER_FORMAT_V0 "ddddddBBBBBBBBBBBBddBBwdwdBwwd" */
1026 :
1027 : /* unpack the buffer into variables */
1028 0 : len = tdb_unpack (buf, buflen, SAMU_BUFFER_FORMAT_V0,
1029 : &logon_time, /* d */
1030 : &logoff_time, /* d */
1031 : &kickoff_time, /* d */
1032 : &pass_last_set_time, /* d */
1033 : &pass_can_change_time, /* d */
1034 : &pass_must_change_time, /* d */
1035 : &username_len, &username, /* B */
1036 : &domain_len, &domain, /* B */
1037 : &nt_username_len, &nt_username, /* B */
1038 : &fullname_len, &fullname, /* B */
1039 : &homedir_len, &homedir, /* B */
1040 : &dir_drive_len, &dir_drive, /* B */
1041 : &logon_script_len, &logon_script, /* B */
1042 : &profile_path_len, &profile_path, /* B */
1043 : &acct_desc_len, &acct_desc, /* B */
1044 : &workstations_len, &workstations, /* B */
1045 : &unknown_str_len, &unknown_str, /* B */
1046 : &munged_dial_len, &munged_dial, /* B */
1047 : &user_rid, /* d */
1048 : &group_rid, /* d */
1049 : &lm_pw_len, &lm_pw_ptr, /* B */
1050 : &nt_pw_len, &nt_pw_ptr, /* B */
1051 : &acct_ctrl, /* w */
1052 : &remove_me, /* remove on the next TDB_FORMAT upgrade */ /* d */
1053 : &logon_divs, /* w */
1054 : &hours_len, /* d */
1055 : &hourslen, &hours, /* B */
1056 : &bad_password_count, /* w */
1057 : &logon_count, /* w */
1058 : &unknown_6); /* d */
1059 :
1060 0 : if (len == (uint32_t) -1) {
1061 0 : ret = False;
1062 0 : goto done;
1063 : }
1064 :
1065 0 : pdb_set_logon_time(sampass, logon_time, PDB_SET);
1066 0 : pdb_set_logoff_time(sampass, logoff_time, PDB_SET);
1067 0 : pdb_set_kickoff_time(sampass, kickoff_time, PDB_SET);
1068 0 : pdb_set_pass_can_change_time(sampass, pass_can_change_time, PDB_SET);
1069 0 : pdb_set_pass_last_set_time(sampass, pass_last_set_time, PDB_SET);
1070 :
1071 0 : pdb_set_username(sampass, username, PDB_SET);
1072 0 : pdb_set_domain(sampass, domain, PDB_SET);
1073 0 : pdb_set_nt_username(sampass, nt_username, PDB_SET);
1074 0 : pdb_set_fullname(sampass, fullname, PDB_SET);
1075 :
1076 0 : if (homedir) {
1077 0 : pdb_set_homedir(sampass, homedir, PDB_SET);
1078 : }
1079 : else {
1080 0 : pdb_set_homedir(sampass,
1081 0 : talloc_sub_basic(sampass, username, domain,
1082 : lp_logon_home()),
1083 : PDB_DEFAULT);
1084 : }
1085 :
1086 0 : if (dir_drive)
1087 0 : pdb_set_dir_drive(sampass, dir_drive, PDB_SET);
1088 : else {
1089 0 : pdb_set_dir_drive(sampass,
1090 0 : talloc_sub_basic(sampass, username, domain,
1091 : lp_logon_drive()),
1092 : PDB_DEFAULT);
1093 : }
1094 :
1095 0 : if (logon_script)
1096 0 : pdb_set_logon_script(sampass, logon_script, PDB_SET);
1097 : else {
1098 0 : pdb_set_logon_script(sampass,
1099 0 : talloc_sub_basic(sampass, username, domain,
1100 : lp_logon_script()),
1101 : PDB_DEFAULT);
1102 : }
1103 :
1104 0 : if (profile_path) {
1105 0 : pdb_set_profile_path(sampass, profile_path, PDB_SET);
1106 : } else {
1107 0 : pdb_set_profile_path(sampass,
1108 0 : talloc_sub_basic(sampass, username, domain,
1109 : lp_logon_path()),
1110 : PDB_DEFAULT);
1111 : }
1112 :
1113 0 : pdb_set_acct_desc(sampass, acct_desc, PDB_SET);
1114 0 : pdb_set_workstations(sampass, workstations, PDB_SET);
1115 0 : pdb_set_munged_dial(sampass, munged_dial, PDB_SET);
1116 :
1117 0 : if (lm_pw_ptr && lm_pw_len == LM_HASH_LEN) {
1118 0 : if (!pdb_set_lanman_passwd(sampass, lm_pw_ptr, PDB_SET)) {
1119 0 : ret = False;
1120 0 : goto done;
1121 : }
1122 : }
1123 :
1124 0 : if (nt_pw_ptr && nt_pw_len == NT_HASH_LEN) {
1125 0 : if (!pdb_set_nt_passwd(sampass, nt_pw_ptr, PDB_SET)) {
1126 0 : ret = False;
1127 0 : goto done;
1128 : }
1129 : }
1130 :
1131 0 : pdb_set_pw_history(sampass, NULL, 0, PDB_SET);
1132 0 : pdb_set_user_sid_from_rid(sampass, user_rid, PDB_SET);
1133 0 : pdb_set_group_sid_from_rid(sampass, group_rid, PDB_SET);
1134 0 : pdb_set_hours_len(sampass, hours_len, PDB_SET);
1135 0 : pdb_set_bad_password_count(sampass, bad_password_count, PDB_SET);
1136 0 : pdb_set_logon_count(sampass, logon_count, PDB_SET);
1137 0 : pdb_set_unknown_6(sampass, unknown_6, PDB_SET);
1138 0 : pdb_set_acct_ctrl(sampass, acct_ctrl, PDB_SET);
1139 0 : pdb_set_logon_divs(sampass, logon_divs, PDB_SET);
1140 0 : pdb_set_hours(sampass, hours, hours_len, PDB_SET);
1141 :
1142 0 : done:
1143 :
1144 0 : SAFE_FREE(username);
1145 0 : SAFE_FREE(domain);
1146 0 : SAFE_FREE(nt_username);
1147 0 : SAFE_FREE(fullname);
1148 0 : SAFE_FREE(homedir);
1149 0 : SAFE_FREE(dir_drive);
1150 0 : SAFE_FREE(logon_script);
1151 0 : SAFE_FREE(profile_path);
1152 0 : SAFE_FREE(acct_desc);
1153 0 : SAFE_FREE(workstations);
1154 0 : SAFE_FREE(munged_dial);
1155 0 : SAFE_FREE(unknown_str);
1156 0 : SAFE_FREE(lm_pw_ptr);
1157 0 : SAFE_FREE(nt_pw_ptr);
1158 0 : SAFE_FREE(hours);
1159 :
1160 0 : return ret;
1161 : }
1162 :
1163 : /*********************************************************************
1164 : *********************************************************************/
1165 :
1166 0 : static bool init_samu_from_buffer_v1(struct samu *sampass, uint8_t *buf, uint32_t buflen)
1167 : {
1168 :
1169 : /* times are stored as 32bit integer
1170 : take care on system with 64bit wide time_t
1171 : --SSS */
1172 0 : uint32_t logon_time,
1173 : logoff_time,
1174 : kickoff_time,
1175 : bad_password_time,
1176 : pass_last_set_time,
1177 : pass_can_change_time,
1178 : pass_must_change_time;
1179 0 : char *username = NULL;
1180 0 : char *domain = NULL;
1181 0 : char *nt_username = NULL;
1182 0 : char *dir_drive = NULL;
1183 0 : char *unknown_str = NULL;
1184 0 : char *munged_dial = NULL;
1185 0 : char *fullname = NULL;
1186 0 : char *homedir = NULL;
1187 0 : char *logon_script = NULL;
1188 0 : char *profile_path = NULL;
1189 0 : char *acct_desc = NULL;
1190 0 : char *workstations = NULL;
1191 0 : uint32_t username_len, domain_len, nt_username_len,
1192 : dir_drive_len, unknown_str_len, munged_dial_len,
1193 : fullname_len, homedir_len, logon_script_len,
1194 : profile_path_len, acct_desc_len, workstations_len;
1195 :
1196 0 : uint32_t user_rid, group_rid, remove_me, hours_len, unknown_6;
1197 0 : uint16_t acct_ctrl, logon_divs;
1198 0 : uint16_t bad_password_count, logon_count;
1199 0 : uint8_t *hours = NULL;
1200 0 : uint8_t *lm_pw_ptr = NULL, *nt_pw_ptr = NULL;
1201 0 : uint32_t len = 0;
1202 0 : uint32_t lm_pw_len, nt_pw_len, hourslen;
1203 0 : bool ret = True;
1204 :
1205 0 : if(sampass == NULL || buf == NULL) {
1206 0 : DEBUG(0, ("init_samu_from_buffer_v1: NULL parameters found!\n"));
1207 0 : return False;
1208 : }
1209 :
1210 : /* SAMU_BUFFER_FORMAT_V1 "dddddddBBBBBBBBBBBBddBBwdwdBwwd" */
1211 :
1212 : /* unpack the buffer into variables */
1213 0 : len = tdb_unpack (buf, buflen, SAMU_BUFFER_FORMAT_V1,
1214 : &logon_time, /* d */
1215 : &logoff_time, /* d */
1216 : &kickoff_time, /* d */
1217 : /* Change from V0 is addition of bad_password_time field. */
1218 : &bad_password_time, /* d */
1219 : &pass_last_set_time, /* d */
1220 : &pass_can_change_time, /* d */
1221 : &pass_must_change_time, /* d */
1222 : &username_len, &username, /* B */
1223 : &domain_len, &domain, /* B */
1224 : &nt_username_len, &nt_username, /* B */
1225 : &fullname_len, &fullname, /* B */
1226 : &homedir_len, &homedir, /* B */
1227 : &dir_drive_len, &dir_drive, /* B */
1228 : &logon_script_len, &logon_script, /* B */
1229 : &profile_path_len, &profile_path, /* B */
1230 : &acct_desc_len, &acct_desc, /* B */
1231 : &workstations_len, &workstations, /* B */
1232 : &unknown_str_len, &unknown_str, /* B */
1233 : &munged_dial_len, &munged_dial, /* B */
1234 : &user_rid, /* d */
1235 : &group_rid, /* d */
1236 : &lm_pw_len, &lm_pw_ptr, /* B */
1237 : &nt_pw_len, &nt_pw_ptr, /* B */
1238 : &acct_ctrl, /* w */
1239 : &remove_me, /* d */
1240 : &logon_divs, /* w */
1241 : &hours_len, /* d */
1242 : &hourslen, &hours, /* B */
1243 : &bad_password_count, /* w */
1244 : &logon_count, /* w */
1245 : &unknown_6); /* d */
1246 :
1247 0 : if (len == (uint32_t) -1) {
1248 0 : ret = False;
1249 0 : goto done;
1250 : }
1251 :
1252 0 : pdb_set_logon_time(sampass, logon_time, PDB_SET);
1253 0 : pdb_set_logoff_time(sampass, logoff_time, PDB_SET);
1254 0 : pdb_set_kickoff_time(sampass, kickoff_time, PDB_SET);
1255 :
1256 : /* Change from V0 is addition of bad_password_time field. */
1257 0 : pdb_set_bad_password_time(sampass, bad_password_time, PDB_SET);
1258 0 : pdb_set_pass_can_change_time(sampass, pass_can_change_time, PDB_SET);
1259 0 : pdb_set_pass_last_set_time(sampass, pass_last_set_time, PDB_SET);
1260 :
1261 0 : pdb_set_username(sampass, username, PDB_SET);
1262 0 : pdb_set_domain(sampass, domain, PDB_SET);
1263 0 : pdb_set_nt_username(sampass, nt_username, PDB_SET);
1264 0 : pdb_set_fullname(sampass, fullname, PDB_SET);
1265 :
1266 0 : if (homedir) {
1267 0 : pdb_set_homedir(sampass, homedir, PDB_SET);
1268 : }
1269 : else {
1270 0 : pdb_set_homedir(sampass,
1271 0 : talloc_sub_basic(sampass, username, domain,
1272 : lp_logon_home()),
1273 : PDB_DEFAULT);
1274 : }
1275 :
1276 0 : if (dir_drive)
1277 0 : pdb_set_dir_drive(sampass, dir_drive, PDB_SET);
1278 : else {
1279 0 : pdb_set_dir_drive(sampass,
1280 0 : talloc_sub_basic(sampass, username, domain,
1281 : lp_logon_drive()),
1282 : PDB_DEFAULT);
1283 : }
1284 :
1285 0 : if (logon_script)
1286 0 : pdb_set_logon_script(sampass, logon_script, PDB_SET);
1287 : else {
1288 0 : pdb_set_logon_script(sampass,
1289 0 : talloc_sub_basic(sampass, username, domain,
1290 : lp_logon_script()),
1291 : PDB_DEFAULT);
1292 : }
1293 :
1294 0 : if (profile_path) {
1295 0 : pdb_set_profile_path(sampass, profile_path, PDB_SET);
1296 : } else {
1297 0 : pdb_set_profile_path(sampass,
1298 0 : talloc_sub_basic(sampass, username, domain,
1299 : lp_logon_path()),
1300 : PDB_DEFAULT);
1301 : }
1302 :
1303 0 : pdb_set_acct_desc(sampass, acct_desc, PDB_SET);
1304 0 : pdb_set_workstations(sampass, workstations, PDB_SET);
1305 0 : pdb_set_munged_dial(sampass, munged_dial, PDB_SET);
1306 :
1307 0 : if (lm_pw_ptr && lm_pw_len == LM_HASH_LEN) {
1308 0 : if (!pdb_set_lanman_passwd(sampass, lm_pw_ptr, PDB_SET)) {
1309 0 : ret = False;
1310 0 : goto done;
1311 : }
1312 : }
1313 :
1314 0 : if (nt_pw_ptr && nt_pw_len == NT_HASH_LEN) {
1315 0 : if (!pdb_set_nt_passwd(sampass, nt_pw_ptr, PDB_SET)) {
1316 0 : ret = False;
1317 0 : goto done;
1318 : }
1319 : }
1320 :
1321 0 : pdb_set_pw_history(sampass, NULL, 0, PDB_SET);
1322 :
1323 0 : pdb_set_user_sid_from_rid(sampass, user_rid, PDB_SET);
1324 0 : pdb_set_group_sid_from_rid(sampass, group_rid, PDB_SET);
1325 0 : pdb_set_hours_len(sampass, hours_len, PDB_SET);
1326 0 : pdb_set_bad_password_count(sampass, bad_password_count, PDB_SET);
1327 0 : pdb_set_logon_count(sampass, logon_count, PDB_SET);
1328 0 : pdb_set_unknown_6(sampass, unknown_6, PDB_SET);
1329 0 : pdb_set_acct_ctrl(sampass, acct_ctrl, PDB_SET);
1330 0 : pdb_set_logon_divs(sampass, logon_divs, PDB_SET);
1331 0 : pdb_set_hours(sampass, hours, hours_len, PDB_SET);
1332 :
1333 0 : done:
1334 :
1335 0 : SAFE_FREE(username);
1336 0 : SAFE_FREE(domain);
1337 0 : SAFE_FREE(nt_username);
1338 0 : SAFE_FREE(fullname);
1339 0 : SAFE_FREE(homedir);
1340 0 : SAFE_FREE(dir_drive);
1341 0 : SAFE_FREE(logon_script);
1342 0 : SAFE_FREE(profile_path);
1343 0 : SAFE_FREE(acct_desc);
1344 0 : SAFE_FREE(workstations);
1345 0 : SAFE_FREE(munged_dial);
1346 0 : SAFE_FREE(unknown_str);
1347 0 : SAFE_FREE(lm_pw_ptr);
1348 0 : SAFE_FREE(nt_pw_ptr);
1349 0 : SAFE_FREE(hours);
1350 :
1351 0 : return ret;
1352 : }
1353 :
1354 6 : static bool init_samu_from_buffer_v2(struct samu *sampass, uint8_t *buf, uint32_t buflen)
1355 : {
1356 :
1357 : /* times are stored as 32bit integer
1358 : take care on system with 64bit wide time_t
1359 : --SSS */
1360 6 : uint32_t logon_time,
1361 : logoff_time,
1362 : kickoff_time,
1363 : bad_password_time,
1364 : pass_last_set_time,
1365 : pass_can_change_time,
1366 : pass_must_change_time;
1367 6 : char *username = NULL;
1368 6 : char *domain = NULL;
1369 6 : char *nt_username = NULL;
1370 6 : char *dir_drive = NULL;
1371 6 : char *unknown_str = NULL;
1372 6 : char *munged_dial = NULL;
1373 6 : char *fullname = NULL;
1374 6 : char *homedir = NULL;
1375 6 : char *logon_script = NULL;
1376 6 : char *profile_path = NULL;
1377 6 : char *acct_desc = NULL;
1378 6 : char *workstations = NULL;
1379 6 : uint32_t username_len, domain_len, nt_username_len,
1380 : dir_drive_len, unknown_str_len, munged_dial_len,
1381 : fullname_len, homedir_len, logon_script_len,
1382 : profile_path_len, acct_desc_len, workstations_len;
1383 :
1384 6 : uint32_t user_rid, group_rid, hours_len, unknown_6;
1385 6 : uint16_t acct_ctrl, logon_divs;
1386 6 : uint16_t bad_password_count, logon_count;
1387 6 : uint8_t *hours = NULL;
1388 6 : uint8_t *lm_pw_ptr = NULL, *nt_pw_ptr = NULL, *nt_pw_hist_ptr = NULL;
1389 6 : uint32_t len = 0;
1390 6 : uint32_t lm_pw_len, nt_pw_len, nt_pw_hist_len, hourslen;
1391 6 : uint32_t pwHistLen = 0;
1392 6 : bool ret = True;
1393 6 : fstring tmp_string;
1394 6 : bool expand_explicit = lp_passdb_expand_explicit();
1395 :
1396 6 : if(sampass == NULL || buf == NULL) {
1397 0 : DEBUG(0, ("init_samu_from_buffer_v2: NULL parameters found!\n"));
1398 0 : return False;
1399 : }
1400 :
1401 : /* SAMU_BUFFER_FORMAT_V2 "dddddddBBBBBBBBBBBBddBBBwwdBwwd" */
1402 :
1403 : /* unpack the buffer into variables */
1404 6 : len = tdb_unpack (buf, buflen, SAMU_BUFFER_FORMAT_V2,
1405 : &logon_time, /* d */
1406 : &logoff_time, /* d */
1407 : &kickoff_time, /* d */
1408 : &bad_password_time, /* d */
1409 : &pass_last_set_time, /* d */
1410 : &pass_can_change_time, /* d */
1411 : &pass_must_change_time, /* d */
1412 : &username_len, &username, /* B */
1413 : &domain_len, &domain, /* B */
1414 : &nt_username_len, &nt_username, /* B */
1415 : &fullname_len, &fullname, /* B */
1416 : &homedir_len, &homedir, /* B */
1417 : &dir_drive_len, &dir_drive, /* B */
1418 : &logon_script_len, &logon_script, /* B */
1419 : &profile_path_len, &profile_path, /* B */
1420 : &acct_desc_len, &acct_desc, /* B */
1421 : &workstations_len, &workstations, /* B */
1422 : &unknown_str_len, &unknown_str, /* B */
1423 : &munged_dial_len, &munged_dial, /* B */
1424 : &user_rid, /* d */
1425 : &group_rid, /* d */
1426 : &lm_pw_len, &lm_pw_ptr, /* B */
1427 : &nt_pw_len, &nt_pw_ptr, /* B */
1428 : /* Change from V1 is addition of password history field. */
1429 : &nt_pw_hist_len, &nt_pw_hist_ptr, /* B */
1430 : &acct_ctrl, /* w */
1431 : /* Also "remove_me" field was removed. */
1432 : &logon_divs, /* w */
1433 : &hours_len, /* d */
1434 : &hourslen, &hours, /* B */
1435 : &bad_password_count, /* w */
1436 : &logon_count, /* w */
1437 : &unknown_6); /* d */
1438 :
1439 6 : if (len == (uint32_t) -1) {
1440 0 : ret = False;
1441 0 : goto done;
1442 : }
1443 :
1444 6 : pdb_set_logon_time(sampass, logon_time, PDB_SET);
1445 6 : pdb_set_logoff_time(sampass, logoff_time, PDB_SET);
1446 6 : pdb_set_kickoff_time(sampass, kickoff_time, PDB_SET);
1447 6 : pdb_set_bad_password_time(sampass, bad_password_time, PDB_SET);
1448 6 : pdb_set_pass_can_change_time(sampass, pass_can_change_time, PDB_SET);
1449 6 : pdb_set_pass_last_set_time(sampass, pass_last_set_time, PDB_SET);
1450 :
1451 6 : pdb_set_username(sampass, username, PDB_SET);
1452 6 : pdb_set_domain(sampass, domain, PDB_SET);
1453 6 : pdb_set_nt_username(sampass, nt_username, PDB_SET);
1454 6 : pdb_set_fullname(sampass, fullname, PDB_SET);
1455 :
1456 6 : if (homedir) {
1457 0 : fstrcpy( tmp_string, homedir );
1458 0 : if (expand_explicit) {
1459 0 : standard_sub_basic( username, domain, tmp_string,
1460 : sizeof(tmp_string) );
1461 : }
1462 0 : pdb_set_homedir(sampass, tmp_string, PDB_SET);
1463 : }
1464 : else {
1465 6 : pdb_set_homedir(sampass,
1466 6 : talloc_sub_basic(sampass, username, domain,
1467 : lp_logon_home()),
1468 : PDB_DEFAULT);
1469 : }
1470 :
1471 6 : if (dir_drive)
1472 0 : pdb_set_dir_drive(sampass, dir_drive, PDB_SET);
1473 : else
1474 6 : pdb_set_dir_drive(sampass, lp_logon_drive(), PDB_DEFAULT );
1475 :
1476 6 : if (logon_script) {
1477 0 : fstrcpy( tmp_string, logon_script );
1478 0 : if (expand_explicit) {
1479 0 : standard_sub_basic( username, domain, tmp_string,
1480 : sizeof(tmp_string) );
1481 : }
1482 0 : pdb_set_logon_script(sampass, tmp_string, PDB_SET);
1483 : }
1484 : else {
1485 6 : pdb_set_logon_script(sampass,
1486 6 : talloc_sub_basic(sampass, username, domain,
1487 : lp_logon_script()),
1488 : PDB_DEFAULT);
1489 : }
1490 :
1491 6 : if (profile_path) {
1492 0 : fstrcpy( tmp_string, profile_path );
1493 0 : if (expand_explicit) {
1494 0 : standard_sub_basic( username, domain, tmp_string,
1495 : sizeof(tmp_string) );
1496 : }
1497 0 : pdb_set_profile_path(sampass, tmp_string, PDB_SET);
1498 : }
1499 : else {
1500 6 : pdb_set_profile_path(sampass,
1501 6 : talloc_sub_basic(sampass, username, domain,
1502 : lp_logon_path()),
1503 : PDB_DEFAULT);
1504 : }
1505 :
1506 6 : pdb_set_acct_desc(sampass, acct_desc, PDB_SET);
1507 6 : pdb_set_workstations(sampass, workstations, PDB_SET);
1508 6 : pdb_set_munged_dial(sampass, munged_dial, PDB_SET);
1509 :
1510 6 : if (lm_pw_ptr && lm_pw_len == LM_HASH_LEN) {
1511 6 : if (!pdb_set_lanman_passwd(sampass, lm_pw_ptr, PDB_SET)) {
1512 0 : ret = False;
1513 0 : goto done;
1514 : }
1515 : }
1516 :
1517 6 : if (nt_pw_ptr && nt_pw_len == NT_HASH_LEN) {
1518 6 : if (!pdb_set_nt_passwd(sampass, nt_pw_ptr, PDB_SET)) {
1519 0 : ret = False;
1520 0 : goto done;
1521 : }
1522 : }
1523 :
1524 : /* Change from V1 is addition of password history field. */
1525 6 : pdb_get_account_policy(PDB_POLICY_PASSWORD_HISTORY, &pwHistLen);
1526 6 : if (pwHistLen) {
1527 0 : uint8_t *pw_hist = SMB_MALLOC_ARRAY(uint8_t, pwHistLen * PW_HISTORY_ENTRY_LEN);
1528 0 : if (!pw_hist) {
1529 0 : ret = False;
1530 0 : goto done;
1531 : }
1532 0 : memset(pw_hist, '\0', pwHistLen * PW_HISTORY_ENTRY_LEN);
1533 0 : if (nt_pw_hist_ptr && nt_pw_hist_len) {
1534 0 : int i;
1535 0 : SMB_ASSERT((nt_pw_hist_len % PW_HISTORY_ENTRY_LEN) == 0);
1536 0 : nt_pw_hist_len /= PW_HISTORY_ENTRY_LEN;
1537 0 : for (i = 0; (i < pwHistLen) && (i < nt_pw_hist_len); i++) {
1538 0 : memcpy(&pw_hist[i*PW_HISTORY_ENTRY_LEN],
1539 0 : &nt_pw_hist_ptr[i*PW_HISTORY_ENTRY_LEN],
1540 : PW_HISTORY_ENTRY_LEN);
1541 : }
1542 : }
1543 0 : if (!pdb_set_pw_history(sampass, pw_hist, pwHistLen, PDB_SET)) {
1544 0 : SAFE_FREE(pw_hist);
1545 0 : ret = False;
1546 0 : goto done;
1547 : }
1548 0 : SAFE_FREE(pw_hist);
1549 : } else {
1550 6 : pdb_set_pw_history(sampass, NULL, 0, PDB_SET);
1551 : }
1552 :
1553 6 : pdb_set_user_sid_from_rid(sampass, user_rid, PDB_SET);
1554 6 : pdb_set_group_sid_from_rid(sampass, group_rid, PDB_SET);
1555 6 : pdb_set_hours_len(sampass, hours_len, PDB_SET);
1556 6 : pdb_set_bad_password_count(sampass, bad_password_count, PDB_SET);
1557 6 : pdb_set_logon_count(sampass, logon_count, PDB_SET);
1558 6 : pdb_set_unknown_6(sampass, unknown_6, PDB_SET);
1559 6 : pdb_set_acct_ctrl(sampass, acct_ctrl, PDB_SET);
1560 6 : pdb_set_logon_divs(sampass, logon_divs, PDB_SET);
1561 6 : pdb_set_hours(sampass, hours, hours_len, PDB_SET);
1562 :
1563 6 : done:
1564 :
1565 6 : SAFE_FREE(username);
1566 6 : SAFE_FREE(domain);
1567 6 : SAFE_FREE(nt_username);
1568 6 : SAFE_FREE(fullname);
1569 6 : SAFE_FREE(homedir);
1570 6 : SAFE_FREE(dir_drive);
1571 6 : SAFE_FREE(logon_script);
1572 6 : SAFE_FREE(profile_path);
1573 6 : SAFE_FREE(acct_desc);
1574 6 : SAFE_FREE(workstations);
1575 6 : SAFE_FREE(munged_dial);
1576 6 : SAFE_FREE(unknown_str);
1577 6 : SAFE_FREE(lm_pw_ptr);
1578 6 : SAFE_FREE(nt_pw_ptr);
1579 6 : SAFE_FREE(nt_pw_hist_ptr);
1580 6 : SAFE_FREE(hours);
1581 :
1582 0 : return ret;
1583 : }
1584 :
1585 : /*********************************************************************
1586 : *********************************************************************/
1587 :
1588 93984 : static bool init_samu_from_buffer_v3(struct samu *sampass, uint8_t *buf, uint32_t buflen)
1589 : {
1590 :
1591 : /* times are stored as 32bit integer
1592 : take care on system with 64bit wide time_t
1593 : --SSS */
1594 34 : uint32_t logon_time,
1595 : logoff_time,
1596 : kickoff_time,
1597 : bad_password_time,
1598 : pass_last_set_time,
1599 : pass_can_change_time,
1600 : pass_must_change_time;
1601 93984 : char *username = NULL;
1602 93984 : char *domain = NULL;
1603 93984 : char *nt_username = NULL;
1604 93984 : char *dir_drive = NULL;
1605 93984 : char *comment = NULL;
1606 93984 : char *munged_dial = NULL;
1607 93984 : char *fullname = NULL;
1608 93984 : char *homedir = NULL;
1609 93984 : char *logon_script = NULL;
1610 93984 : char *profile_path = NULL;
1611 93984 : char *acct_desc = NULL;
1612 93984 : char *workstations = NULL;
1613 34 : uint32_t username_len, domain_len, nt_username_len,
1614 : dir_drive_len, comment_len, munged_dial_len,
1615 : fullname_len, homedir_len, logon_script_len,
1616 : profile_path_len, acct_desc_len, workstations_len;
1617 :
1618 34 : uint32_t user_rid, group_rid, hours_len, unknown_6, acct_ctrl;
1619 34 : uint16_t logon_divs;
1620 34 : uint16_t bad_password_count, logon_count;
1621 93984 : uint8_t *hours = NULL;
1622 93984 : uint8_t *lm_pw_ptr = NULL, *nt_pw_ptr = NULL, *nt_pw_hist_ptr = NULL;
1623 93984 : uint32_t len = 0;
1624 34 : uint32_t lm_pw_len, nt_pw_len, nt_pw_hist_len, hourslen;
1625 93984 : uint32_t pwHistLen = 0;
1626 93984 : bool ret = True;
1627 34 : fstring tmp_string;
1628 93984 : bool expand_explicit = lp_passdb_expand_explicit();
1629 :
1630 93984 : if(sampass == NULL || buf == NULL) {
1631 0 : DEBUG(0, ("init_samu_from_buffer_v3: NULL parameters found!\n"));
1632 0 : return False;
1633 : }
1634 :
1635 : /* SAMU_BUFFER_FORMAT_V3 "dddddddBBBBBBBBBBBBddBBBdwdBwwd" */
1636 :
1637 : /* unpack the buffer into variables */
1638 93984 : len = tdb_unpack (buf, buflen, SAMU_BUFFER_FORMAT_V3,
1639 : &logon_time, /* d */
1640 : &logoff_time, /* d */
1641 : &kickoff_time, /* d */
1642 : &bad_password_time, /* d */
1643 : &pass_last_set_time, /* d */
1644 : &pass_can_change_time, /* d */
1645 : &pass_must_change_time, /* d */
1646 : &username_len, &username, /* B */
1647 : &domain_len, &domain, /* B */
1648 : &nt_username_len, &nt_username, /* B */
1649 : &fullname_len, &fullname, /* B */
1650 : &homedir_len, &homedir, /* B */
1651 : &dir_drive_len, &dir_drive, /* B */
1652 : &logon_script_len, &logon_script, /* B */
1653 : &profile_path_len, &profile_path, /* B */
1654 : &acct_desc_len, &acct_desc, /* B */
1655 : &workstations_len, &workstations, /* B */
1656 : &comment_len, &comment, /* B */
1657 : &munged_dial_len, &munged_dial, /* B */
1658 : &user_rid, /* d */
1659 : &group_rid, /* d */
1660 : &lm_pw_len, &lm_pw_ptr, /* B */
1661 : &nt_pw_len, &nt_pw_ptr, /* B */
1662 : /* Change from V1 is addition of password history field. */
1663 : &nt_pw_hist_len, &nt_pw_hist_ptr, /* B */
1664 : /* Change from V2 is the uint32_t acb_mask */
1665 : &acct_ctrl, /* d */
1666 : /* Also "remove_me" field was removed. */
1667 : &logon_divs, /* w */
1668 : &hours_len, /* d */
1669 : &hourslen, &hours, /* B */
1670 : &bad_password_count, /* w */
1671 : &logon_count, /* w */
1672 : &unknown_6); /* d */
1673 :
1674 93984 : if (len == (uint32_t) -1) {
1675 0 : ret = False;
1676 0 : goto done;
1677 : }
1678 :
1679 93984 : pdb_set_logon_time(sampass, convert_uint32_t_to_time_t(logon_time), PDB_SET);
1680 93984 : pdb_set_logoff_time(sampass, convert_uint32_t_to_time_t(logoff_time), PDB_SET);
1681 93984 : pdb_set_kickoff_time(sampass, convert_uint32_t_to_time_t(kickoff_time), PDB_SET);
1682 93984 : pdb_set_bad_password_time(sampass, convert_uint32_t_to_time_t(bad_password_time), PDB_SET);
1683 93984 : pdb_set_pass_can_change_time(sampass, convert_uint32_t_to_time_t(pass_can_change_time), PDB_SET);
1684 93984 : pdb_set_pass_last_set_time(sampass, convert_uint32_t_to_time_t(pass_last_set_time), PDB_SET);
1685 :
1686 93984 : pdb_set_username(sampass, username, PDB_SET);
1687 93984 : pdb_set_domain(sampass, domain, PDB_SET);
1688 93984 : pdb_set_nt_username(sampass, nt_username, PDB_SET);
1689 93984 : pdb_set_fullname(sampass, fullname, PDB_SET);
1690 :
1691 93984 : if (homedir) {
1692 20 : fstrcpy( tmp_string, homedir );
1693 20 : if (expand_explicit) {
1694 0 : standard_sub_basic( username, domain, tmp_string,
1695 : sizeof(tmp_string) );
1696 : }
1697 20 : pdb_set_homedir(sampass, tmp_string, PDB_SET);
1698 : }
1699 : else {
1700 93964 : pdb_set_homedir(sampass,
1701 93964 : talloc_sub_basic(sampass, username, domain,
1702 : lp_logon_home()),
1703 : PDB_DEFAULT);
1704 : }
1705 :
1706 93984 : if (dir_drive)
1707 105 : pdb_set_dir_drive(sampass, dir_drive, PDB_SET);
1708 : else
1709 93879 : pdb_set_dir_drive(sampass, lp_logon_drive(), PDB_DEFAULT );
1710 :
1711 93984 : if (logon_script) {
1712 20 : fstrcpy( tmp_string, logon_script );
1713 20 : if (expand_explicit) {
1714 0 : standard_sub_basic( username, domain, tmp_string,
1715 : sizeof(tmp_string) );
1716 : }
1717 20 : pdb_set_logon_script(sampass, tmp_string, PDB_SET);
1718 : }
1719 : else {
1720 93964 : pdb_set_logon_script(sampass,
1721 93964 : talloc_sub_basic(sampass, username, domain,
1722 : lp_logon_script()),
1723 : PDB_DEFAULT);
1724 : }
1725 :
1726 93984 : if (profile_path) {
1727 20 : fstrcpy( tmp_string, profile_path );
1728 20 : if (expand_explicit) {
1729 0 : standard_sub_basic( username, domain, tmp_string,
1730 : sizeof(tmp_string) );
1731 : }
1732 20 : pdb_set_profile_path(sampass, tmp_string, PDB_SET);
1733 : }
1734 : else {
1735 93964 : pdb_set_profile_path(sampass,
1736 93964 : talloc_sub_basic(sampass, username, domain, lp_logon_path()),
1737 : PDB_DEFAULT);
1738 : }
1739 :
1740 93984 : pdb_set_acct_desc(sampass, acct_desc, PDB_SET);
1741 93984 : pdb_set_comment(sampass, comment, PDB_SET);
1742 93984 : pdb_set_workstations(sampass, workstations, PDB_SET);
1743 93984 : pdb_set_munged_dial(sampass, munged_dial, PDB_SET);
1744 :
1745 93984 : if (lm_pw_ptr && lm_pw_len == LM_HASH_LEN) {
1746 35263 : if (!pdb_set_lanman_passwd(sampass, lm_pw_ptr, PDB_SET)) {
1747 0 : ret = False;
1748 0 : goto done;
1749 : }
1750 : }
1751 :
1752 93984 : if (nt_pw_ptr && nt_pw_len == NT_HASH_LEN) {
1753 86895 : if (!pdb_set_nt_passwd(sampass, nt_pw_ptr, PDB_SET)) {
1754 0 : ret = False;
1755 0 : goto done;
1756 : }
1757 : }
1758 :
1759 93984 : pdb_get_account_policy(PDB_POLICY_PASSWORD_HISTORY, &pwHistLen);
1760 93984 : if (pwHistLen) {
1761 0 : uint8_t *pw_hist = (uint8_t *)SMB_MALLOC(pwHistLen * PW_HISTORY_ENTRY_LEN);
1762 0 : if (!pw_hist) {
1763 0 : ret = False;
1764 0 : goto done;
1765 : }
1766 0 : memset(pw_hist, '\0', pwHistLen * PW_HISTORY_ENTRY_LEN);
1767 0 : if (nt_pw_hist_ptr && nt_pw_hist_len) {
1768 0 : int i;
1769 0 : SMB_ASSERT((nt_pw_hist_len % PW_HISTORY_ENTRY_LEN) == 0);
1770 0 : nt_pw_hist_len /= PW_HISTORY_ENTRY_LEN;
1771 0 : for (i = 0; (i < pwHistLen) && (i < nt_pw_hist_len); i++) {
1772 0 : memcpy(&pw_hist[i*PW_HISTORY_ENTRY_LEN],
1773 0 : &nt_pw_hist_ptr[i*PW_HISTORY_ENTRY_LEN],
1774 : PW_HISTORY_ENTRY_LEN);
1775 : }
1776 : }
1777 0 : if (!pdb_set_pw_history(sampass, pw_hist, pwHistLen, PDB_SET)) {
1778 0 : SAFE_FREE(pw_hist);
1779 0 : ret = False;
1780 0 : goto done;
1781 : }
1782 0 : SAFE_FREE(pw_hist);
1783 : } else {
1784 93984 : pdb_set_pw_history(sampass, NULL, 0, PDB_SET);
1785 : }
1786 :
1787 93984 : pdb_set_user_sid_from_rid(sampass, user_rid, PDB_SET);
1788 93984 : pdb_set_hours_len(sampass, hours_len, PDB_SET);
1789 93984 : pdb_set_bad_password_count(sampass, bad_password_count, PDB_SET);
1790 93984 : pdb_set_logon_count(sampass, logon_count, PDB_SET);
1791 93984 : pdb_set_unknown_6(sampass, unknown_6, PDB_SET);
1792 : /* Change from V2 is the uint32_t acct_ctrl */
1793 93984 : pdb_set_acct_ctrl(sampass, acct_ctrl, PDB_SET);
1794 93984 : pdb_set_logon_divs(sampass, logon_divs, PDB_SET);
1795 93984 : pdb_set_hours(sampass, hours, hours_len, PDB_SET);
1796 :
1797 93984 : done:
1798 :
1799 93984 : SAFE_FREE(username);
1800 93984 : SAFE_FREE(domain);
1801 93984 : SAFE_FREE(nt_username);
1802 93984 : SAFE_FREE(fullname);
1803 93984 : SAFE_FREE(homedir);
1804 93984 : SAFE_FREE(dir_drive);
1805 93984 : SAFE_FREE(logon_script);
1806 93984 : SAFE_FREE(profile_path);
1807 93984 : SAFE_FREE(acct_desc);
1808 93984 : SAFE_FREE(workstations);
1809 93984 : SAFE_FREE(munged_dial);
1810 93984 : SAFE_FREE(comment);
1811 93984 : SAFE_FREE(lm_pw_ptr);
1812 93984 : SAFE_FREE(nt_pw_ptr);
1813 93984 : SAFE_FREE(nt_pw_hist_ptr);
1814 93984 : SAFE_FREE(hours);
1815 :
1816 93950 : return ret;
1817 : }
1818 :
1819 : /*********************************************************************
1820 : *********************************************************************/
1821 :
1822 44418 : static uint32_t init_buffer_from_samu_v3 (uint8_t **buf, struct samu *sampass, bool size_only)
1823 : {
1824 6 : size_t len, buflen;
1825 :
1826 : /* times are stored as 32bit integer
1827 : take care on system with 64bit wide time_t
1828 : --SSS */
1829 6 : uint32_t logon_time,
1830 : logoff_time,
1831 : kickoff_time,
1832 : bad_password_time,
1833 : pass_last_set_time,
1834 : pass_can_change_time,
1835 : pass_must_change_time;
1836 :
1837 6 : uint32_t user_rid, group_rid;
1838 :
1839 6 : const char *username;
1840 6 : const char *domain;
1841 6 : const char *nt_username;
1842 6 : const char *dir_drive;
1843 6 : const char *comment;
1844 6 : const char *munged_dial;
1845 6 : const char *fullname;
1846 6 : const char *homedir;
1847 6 : const char *logon_script;
1848 6 : const char *profile_path;
1849 6 : const char *acct_desc;
1850 6 : const char *workstations;
1851 6 : uint32_t username_len, domain_len, nt_username_len,
1852 : dir_drive_len, comment_len, munged_dial_len,
1853 : fullname_len, homedir_len, logon_script_len,
1854 : profile_path_len, acct_desc_len, workstations_len;
1855 :
1856 6 : const uint8_t *lm_pw;
1857 6 : const uint8_t *nt_pw;
1858 6 : const uint8_t *nt_pw_hist;
1859 44418 : uint32_t lm_pw_len = 16;
1860 44418 : uint32_t nt_pw_len = 16;
1861 6 : uint32_t nt_pw_hist_len;
1862 44418 : uint32_t pwHistLen = 0;
1863 :
1864 44418 : *buf = NULL;
1865 44418 : buflen = 0;
1866 :
1867 44418 : logon_time = convert_time_t_to_uint32_t(pdb_get_logon_time(sampass));
1868 44418 : logoff_time = convert_time_t_to_uint32_t(pdb_get_logoff_time(sampass));
1869 44418 : kickoff_time = convert_time_t_to_uint32_t(pdb_get_kickoff_time(sampass));
1870 44418 : bad_password_time = convert_time_t_to_uint32_t(pdb_get_bad_password_time(sampass));
1871 44418 : pass_can_change_time = convert_time_t_to_uint32_t(pdb_get_pass_can_change_time_noncalc(sampass));
1872 44418 : pass_must_change_time = convert_time_t_to_uint32_t(pdb_get_pass_must_change_time(sampass));
1873 44418 : pass_last_set_time = convert_time_t_to_uint32_t(pdb_get_pass_last_set_time(sampass));
1874 :
1875 44418 : user_rid = pdb_get_user_rid(sampass);
1876 44418 : group_rid = pdb_get_group_rid(sampass);
1877 :
1878 44418 : username = pdb_get_username(sampass);
1879 44418 : if (username) {
1880 44418 : username_len = strlen(username) +1;
1881 : } else {
1882 0 : username_len = 0;
1883 : }
1884 :
1885 44418 : domain = pdb_get_domain(sampass);
1886 44418 : if (domain) {
1887 44418 : domain_len = strlen(domain) +1;
1888 : } else {
1889 0 : domain_len = 0;
1890 : }
1891 :
1892 44418 : nt_username = pdb_get_nt_username(sampass);
1893 44418 : if (nt_username) {
1894 44418 : nt_username_len = strlen(nt_username) +1;
1895 : } else {
1896 0 : nt_username_len = 0;
1897 : }
1898 :
1899 44418 : fullname = pdb_get_fullname(sampass);
1900 44418 : if (fullname) {
1901 44418 : fullname_len = strlen(fullname) +1;
1902 : } else {
1903 0 : fullname_len = 0;
1904 : }
1905 :
1906 : /*
1907 : * Only updates fields which have been set (not defaults from smb.conf)
1908 : */
1909 :
1910 44418 : if (!IS_SAM_DEFAULT(sampass, PDB_DRIVE)) {
1911 61 : dir_drive = pdb_get_dir_drive(sampass);
1912 : } else {
1913 44351 : dir_drive = NULL;
1914 : }
1915 44412 : if (dir_drive) {
1916 61 : dir_drive_len = strlen(dir_drive) +1;
1917 : } else {
1918 44351 : dir_drive_len = 0;
1919 : }
1920 :
1921 44418 : if (!IS_SAM_DEFAULT(sampass, PDB_SMBHOME)) {
1922 12 : homedir = pdb_get_homedir(sampass);
1923 : } else {
1924 44400 : homedir = NULL;
1925 : }
1926 44412 : if (homedir) {
1927 12 : homedir_len = strlen(homedir) +1;
1928 : } else {
1929 44400 : homedir_len = 0;
1930 : }
1931 :
1932 44418 : if (!IS_SAM_DEFAULT(sampass, PDB_LOGONSCRIPT)) {
1933 12 : logon_script = pdb_get_logon_script(sampass);
1934 : } else {
1935 44400 : logon_script = NULL;
1936 : }
1937 44412 : if (logon_script) {
1938 12 : logon_script_len = strlen(logon_script) +1;
1939 : } else {
1940 44400 : logon_script_len = 0;
1941 : }
1942 :
1943 44418 : if (!IS_SAM_DEFAULT(sampass, PDB_PROFILE)) {
1944 12 : profile_path = pdb_get_profile_path(sampass);
1945 : } else {
1946 44400 : profile_path = NULL;
1947 : }
1948 44412 : if (profile_path) {
1949 12 : profile_path_len = strlen(profile_path) +1;
1950 : } else {
1951 44400 : profile_path_len = 0;
1952 : }
1953 :
1954 44418 : lm_pw = pdb_get_lanman_passwd(sampass);
1955 44418 : if (!lm_pw) {
1956 26892 : lm_pw_len = 0;
1957 : }
1958 :
1959 44418 : nt_pw = pdb_get_nt_passwd(sampass);
1960 44418 : if (!nt_pw) {
1961 1051 : nt_pw_len = 0;
1962 : }
1963 :
1964 44418 : pdb_get_account_policy(PDB_POLICY_PASSWORD_HISTORY, &pwHistLen);
1965 44418 : nt_pw_hist = pdb_get_pw_history(sampass, &nt_pw_hist_len);
1966 44418 : if (pwHistLen && nt_pw_hist && nt_pw_hist_len) {
1967 0 : nt_pw_hist_len *= PW_HISTORY_ENTRY_LEN;
1968 : } else {
1969 44418 : nt_pw_hist_len = 0;
1970 : }
1971 :
1972 44418 : acct_desc = pdb_get_acct_desc(sampass);
1973 44418 : if (acct_desc) {
1974 44418 : acct_desc_len = strlen(acct_desc) +1;
1975 : } else {
1976 0 : acct_desc_len = 0;
1977 : }
1978 :
1979 44418 : workstations = pdb_get_workstations(sampass);
1980 44418 : if (workstations) {
1981 44418 : workstations_len = strlen(workstations) +1;
1982 : } else {
1983 0 : workstations_len = 0;
1984 : }
1985 :
1986 44418 : comment = pdb_get_comment(sampass);
1987 44418 : if (comment) {
1988 44418 : comment_len = strlen(comment) +1;
1989 : } else {
1990 0 : comment_len = 0;
1991 : }
1992 :
1993 44418 : munged_dial = pdb_get_munged_dial(sampass);
1994 44418 : if (munged_dial) {
1995 44418 : munged_dial_len = strlen(munged_dial) +1;
1996 : } else {
1997 0 : munged_dial_len = 0;
1998 : }
1999 :
2000 : /* SAMU_BUFFER_FORMAT_V3 "dddddddBBBBBBBBBBBBddBBBdwdBwwd" */
2001 :
2002 : /* one time to get the size needed */
2003 133254 : len = tdb_pack(NULL, 0, SAMU_BUFFER_FORMAT_V3,
2004 : logon_time, /* d */
2005 : logoff_time, /* d */
2006 : kickoff_time, /* d */
2007 : bad_password_time, /* d */
2008 : pass_last_set_time, /* d */
2009 : pass_can_change_time, /* d */
2010 : pass_must_change_time, /* d */
2011 : username_len, username, /* B */
2012 : domain_len, domain, /* B */
2013 : nt_username_len, nt_username, /* B */
2014 : fullname_len, fullname, /* B */
2015 : homedir_len, homedir, /* B */
2016 : dir_drive_len, dir_drive, /* B */
2017 : logon_script_len, logon_script, /* B */
2018 : profile_path_len, profile_path, /* B */
2019 : acct_desc_len, acct_desc, /* B */
2020 : workstations_len, workstations, /* B */
2021 : comment_len, comment, /* B */
2022 : munged_dial_len, munged_dial, /* B */
2023 : user_rid, /* d */
2024 : group_rid, /* d */
2025 : lm_pw_len, lm_pw, /* B */
2026 : nt_pw_len, nt_pw, /* B */
2027 : nt_pw_hist_len, nt_pw_hist, /* B */
2028 : pdb_get_acct_ctrl(sampass), /* d */
2029 44418 : pdb_get_logon_divs(sampass), /* w */
2030 : pdb_get_hours_len(sampass), /* d */
2031 : MAX_HOURS_LEN, pdb_get_hours(sampass), /* B */
2032 44418 : pdb_get_bad_password_count(sampass), /* w */
2033 44418 : pdb_get_logon_count(sampass), /* w */
2034 : pdb_get_unknown_6(sampass)); /* d */
2035 :
2036 44418 : if (size_only) {
2037 0 : return buflen;
2038 : }
2039 :
2040 : /* malloc the space needed */
2041 44418 : if ( (*buf=(uint8_t*)SMB_MALLOC(len)) == NULL) {
2042 0 : DEBUG(0,("init_buffer_from_samu_v3: Unable to malloc() memory for buffer!\n"));
2043 0 : return (-1);
2044 : }
2045 :
2046 : /* now for the real call to tdb_pack() */
2047 133254 : buflen = tdb_pack(*buf, len, SAMU_BUFFER_FORMAT_V3,
2048 : logon_time, /* d */
2049 : logoff_time, /* d */
2050 : kickoff_time, /* d */
2051 : bad_password_time, /* d */
2052 : pass_last_set_time, /* d */
2053 : pass_can_change_time, /* d */
2054 : pass_must_change_time, /* d */
2055 : username_len, username, /* B */
2056 : domain_len, domain, /* B */
2057 : nt_username_len, nt_username, /* B */
2058 : fullname_len, fullname, /* B */
2059 : homedir_len, homedir, /* B */
2060 : dir_drive_len, dir_drive, /* B */
2061 : logon_script_len, logon_script, /* B */
2062 : profile_path_len, profile_path, /* B */
2063 : acct_desc_len, acct_desc, /* B */
2064 : workstations_len, workstations, /* B */
2065 : comment_len, comment, /* B */
2066 : munged_dial_len, munged_dial, /* B */
2067 : user_rid, /* d */
2068 : group_rid, /* d */
2069 : lm_pw_len, lm_pw, /* B */
2070 : nt_pw_len, nt_pw, /* B */
2071 : nt_pw_hist_len, nt_pw_hist, /* B */
2072 : pdb_get_acct_ctrl(sampass), /* d */
2073 44418 : pdb_get_logon_divs(sampass), /* w */
2074 : pdb_get_hours_len(sampass), /* d */
2075 : MAX_HOURS_LEN, pdb_get_hours(sampass), /* B */
2076 44418 : pdb_get_bad_password_count(sampass), /* w */
2077 44418 : pdb_get_logon_count(sampass), /* w */
2078 : pdb_get_unknown_6(sampass)); /* d */
2079 :
2080 : /* check to make sure we got it correct */
2081 44418 : if (buflen != len) {
2082 0 : DEBUG(0, ("init_buffer_from_samu_v3: something odd is going on here: bufflen (%lu) != len (%lu) in tdb_pack operations!\n",
2083 : (unsigned long)buflen, (unsigned long)len));
2084 : /* error */
2085 0 : SAFE_FREE (*buf);
2086 0 : return (-1);
2087 : }
2088 :
2089 44418 : return (buflen);
2090 : }
2091 :
2092 93984 : static bool init_samu_from_buffer_v4(struct samu *sampass, uint8_t *buf, uint32_t buflen)
2093 : {
2094 : /* nothing changed between V3 and V4 */
2095 93984 : return init_samu_from_buffer_v3(sampass, buf, buflen);
2096 : }
2097 :
2098 44418 : static uint32_t init_buffer_from_samu_v4(uint8_t **buf, struct samu *sampass, bool size_only)
2099 : {
2100 : /* nothing changed between V3 and V4 */
2101 44418 : return init_buffer_from_samu_v3(buf, sampass, size_only);
2102 : }
2103 :
2104 : /**********************************************************************
2105 : Initialize a struct samu struct from a BYTE buffer of size len
2106 : *********************************************************************/
2107 :
2108 93990 : bool init_samu_from_buffer(struct samu *sampass, uint32_t level,
2109 : uint8_t *buf, uint32_t buflen)
2110 : {
2111 93990 : switch (level) {
2112 0 : case SAMU_BUFFER_V0:
2113 0 : return init_samu_from_buffer_v0(sampass, buf, buflen);
2114 0 : case SAMU_BUFFER_V1:
2115 0 : return init_samu_from_buffer_v1(sampass, buf, buflen);
2116 6 : case SAMU_BUFFER_V2:
2117 6 : return init_samu_from_buffer_v2(sampass, buf, buflen);
2118 0 : case SAMU_BUFFER_V3:
2119 0 : return init_samu_from_buffer_v3(sampass, buf, buflen);
2120 93950 : case SAMU_BUFFER_V4:
2121 93984 : return init_samu_from_buffer_v4(sampass, buf, buflen);
2122 : }
2123 :
2124 0 : return false;
2125 : }
2126 :
2127 : /**********************************************************************
2128 : Initialize a BYTE buffer from a struct samu struct
2129 : *********************************************************************/
2130 :
2131 44418 : uint32_t init_buffer_from_samu (uint8_t **buf, struct samu *sampass, bool size_only)
2132 : {
2133 44418 : return init_buffer_from_samu_v4(buf, sampass, size_only);
2134 : }
2135 :
2136 : /*********************************************************************
2137 : *********************************************************************/
2138 :
2139 43058 : bool pdb_copy_sam_account(struct samu *dst, struct samu *src )
2140 : {
2141 43058 : uint8_t *buf = NULL;
2142 0 : int len;
2143 :
2144 43058 : len = init_buffer_from_samu(&buf, src, False);
2145 43058 : if (len == -1 || !buf) {
2146 0 : SAFE_FREE(buf);
2147 0 : return False;
2148 : }
2149 :
2150 43058 : if (!init_samu_from_buffer( dst, SAMU_BUFFER_LATEST, buf, len )) {
2151 0 : free(buf);
2152 0 : return False;
2153 : }
2154 :
2155 43058 : dst->methods = src->methods;
2156 :
2157 43058 : if ( src->unix_pw ) {
2158 43041 : dst->unix_pw = tcopy_passwd( dst, src->unix_pw );
2159 43041 : if (!dst->unix_pw) {
2160 0 : free(buf);
2161 0 : return False;
2162 : }
2163 : }
2164 :
2165 43058 : if (src->group_sid) {
2166 43058 : pdb_set_group_sid(dst, src->group_sid, PDB_SET);
2167 : }
2168 :
2169 43058 : free(buf);
2170 43058 : return True;
2171 : }
2172 :
2173 : /*********************************************************************
2174 : Update the bad password count checking the PDB_POLICY_RESET_COUNT_TIME
2175 : *********************************************************************/
2176 :
2177 11 : bool pdb_update_bad_password_count(struct samu *sampass, bool *updated)
2178 : {
2179 0 : time_t LastBadPassword;
2180 0 : uint16_t BadPasswordCount;
2181 0 : uint32_t resettime;
2182 0 : bool res;
2183 :
2184 11 : BadPasswordCount = pdb_get_bad_password_count(sampass);
2185 11 : if (!BadPasswordCount) {
2186 11 : DEBUG(9, ("No bad password attempts.\n"));
2187 11 : return True;
2188 : }
2189 :
2190 0 : become_root();
2191 0 : res = pdb_get_account_policy(PDB_POLICY_RESET_COUNT_TIME, &resettime);
2192 0 : unbecome_root();
2193 :
2194 0 : if (!res) {
2195 0 : DEBUG(0, ("pdb_update_bad_password_count: pdb_get_account_policy failed.\n"));
2196 0 : return False;
2197 : }
2198 :
2199 : /* First, check if there is a reset time to compare */
2200 0 : if ((resettime == (uint32_t) -1) || (resettime == 0)) {
2201 0 : DEBUG(9, ("No reset time, can't reset bad pw count\n"));
2202 0 : return True;
2203 : }
2204 :
2205 0 : LastBadPassword = pdb_get_bad_password_time(sampass);
2206 0 : DEBUG(7, ("LastBadPassword=%d, resettime=%d, current time=%d.\n",
2207 : (uint32_t) LastBadPassword, resettime, (uint32_t)time(NULL)));
2208 0 : if (time(NULL) > (LastBadPassword + convert_uint32_t_to_time_t(resettime)*60)){
2209 0 : pdb_set_bad_password_count(sampass, 0, PDB_CHANGED);
2210 0 : pdb_set_bad_password_time(sampass, 0, PDB_CHANGED);
2211 0 : if (updated) {
2212 0 : *updated = True;
2213 : }
2214 : }
2215 :
2216 0 : return True;
2217 : }
2218 :
2219 : /*********************************************************************
2220 : Update the ACB_AUTOLOCK flag checking the PDB_POLICY_LOCK_ACCOUNT_DURATION
2221 : *********************************************************************/
2222 :
2223 6 : bool pdb_update_autolock_flag(struct samu *sampass, bool *updated)
2224 : {
2225 0 : uint32_t duration;
2226 0 : time_t LastBadPassword;
2227 0 : bool res;
2228 :
2229 6 : if (!(pdb_get_acct_ctrl(sampass) & ACB_AUTOLOCK)) {
2230 6 : DEBUG(9, ("pdb_update_autolock_flag: Account %s not autolocked, no check needed\n",
2231 : pdb_get_username(sampass)));
2232 6 : return True;
2233 : }
2234 :
2235 0 : become_root();
2236 0 : res = pdb_get_account_policy(PDB_POLICY_LOCK_ACCOUNT_DURATION, &duration);
2237 0 : unbecome_root();
2238 :
2239 0 : if (!res) {
2240 0 : DEBUG(0, ("pdb_update_autolock_flag: pdb_get_account_policy failed.\n"));
2241 0 : return False;
2242 : }
2243 :
2244 : /* First, check if there is a duration to compare */
2245 0 : if ((duration == (uint32_t) -1) || (duration == 0)) {
2246 0 : DEBUG(9, ("pdb_update_autolock_flag: No reset duration, can't reset autolock\n"));
2247 0 : return True;
2248 : }
2249 :
2250 0 : LastBadPassword = pdb_get_bad_password_time(sampass);
2251 0 : DEBUG(7, ("pdb_update_autolock_flag: Account %s, LastBadPassword=%d, duration=%d, current time =%d.\n",
2252 : pdb_get_username(sampass), (uint32_t)LastBadPassword, duration*60, (uint32_t)time(NULL)));
2253 :
2254 0 : if (LastBadPassword == (time_t)0) {
2255 0 : DEBUG(1,("pdb_update_autolock_flag: Account %s "
2256 : "administratively locked out with no bad password "
2257 : "time. Leaving locked out.\n",
2258 : pdb_get_username(sampass) ));
2259 0 : return True;
2260 : }
2261 :
2262 0 : if ((time(NULL) > (LastBadPassword + convert_uint32_t_to_time_t(duration) * 60))) {
2263 0 : pdb_set_acct_ctrl(sampass,
2264 0 : pdb_get_acct_ctrl(sampass) & ~ACB_AUTOLOCK,
2265 : PDB_CHANGED);
2266 0 : pdb_set_bad_password_count(sampass, 0, PDB_CHANGED);
2267 0 : pdb_set_bad_password_time(sampass, 0, PDB_CHANGED);
2268 0 : if (updated) {
2269 0 : *updated = True;
2270 : }
2271 : }
2272 :
2273 0 : return True;
2274 : }
2275 :
2276 : /*********************************************************************
2277 : Increment the bad_password_count
2278 : *********************************************************************/
2279 :
2280 152 : bool pdb_increment_bad_password_count(struct samu *sampass)
2281 : {
2282 0 : uint32_t account_policy_lockout;
2283 152 : bool autolock_updated = False, badpw_updated = False;
2284 0 : bool ret;
2285 :
2286 : /* Retrieve the account lockout policy */
2287 152 : become_root();
2288 152 : ret = pdb_get_account_policy(PDB_POLICY_BAD_ATTEMPT_LOCKOUT, &account_policy_lockout);
2289 152 : unbecome_root();
2290 152 : if ( !ret ) {
2291 0 : DEBUG(0, ("pdb_increment_bad_password_count: pdb_get_account_policy failed.\n"));
2292 0 : return False;
2293 : }
2294 :
2295 : /* If there is no policy, we don't need to continue checking */
2296 152 : if (!account_policy_lockout) {
2297 152 : DEBUG(9, ("No lockout policy, don't track bad passwords\n"));
2298 152 : return True;
2299 : }
2300 :
2301 : /* Check if the autolock needs to be cleared */
2302 0 : if (!pdb_update_autolock_flag(sampass, &autolock_updated))
2303 0 : return False;
2304 :
2305 : /* Check if the badpw count needs to be reset */
2306 0 : if (!pdb_update_bad_password_count(sampass, &badpw_updated))
2307 0 : return False;
2308 :
2309 : /*
2310 : Ok, now we can assume that any resetting that needs to be
2311 : done has been done, and just get on with incrementing
2312 : and autolocking if necessary
2313 : */
2314 :
2315 0 : pdb_set_bad_password_count(sampass,
2316 0 : pdb_get_bad_password_count(sampass)+1,
2317 : PDB_CHANGED);
2318 0 : pdb_set_bad_password_time(sampass, time(NULL), PDB_CHANGED);
2319 :
2320 :
2321 0 : if (pdb_get_bad_password_count(sampass) < account_policy_lockout)
2322 0 : return True;
2323 :
2324 0 : if (!pdb_set_acct_ctrl(sampass,
2325 0 : pdb_get_acct_ctrl(sampass) | ACB_AUTOLOCK,
2326 : PDB_CHANGED)) {
2327 0 : DEBUG(1, ("pdb_increment_bad_password_count:failed to set 'autolock' flag. \n"));
2328 0 : return False;
2329 : }
2330 :
2331 0 : return True;
2332 : }
2333 :
2334 0 : bool is_dc_trusted_domain_situation(const char *domain_name)
2335 : {
2336 0 : return IS_DC && !strequal(domain_name, lp_workgroup());
2337 : }
2338 :
2339 : /*******************************************************************
2340 : Wrapper around retrieving the clear text trust account password.
2341 : appropriate account name is stored in account_name.
2342 : Caller must free password, but not account_name.
2343 : *******************************************************************/
2344 :
2345 0 : static bool get_trust_pw_clear2(const char *domain,
2346 : const char **account_name,
2347 : enum netr_SchannelType *channel,
2348 : char **cur_pw,
2349 : time_t *_last_set_time,
2350 : char **prev_pw)
2351 : {
2352 0 : char *pwd;
2353 0 : time_t last_set_time;
2354 :
2355 0 : if (cur_pw != NULL) {
2356 0 : *cur_pw = NULL;
2357 : }
2358 0 : if (_last_set_time != NULL) {
2359 0 : *_last_set_time = 0;
2360 : }
2361 0 : if (prev_pw != NULL) {
2362 0 : *prev_pw = NULL;
2363 : }
2364 :
2365 : /* if we are a DC and this is not our domain, then lookup an account
2366 : * for the domain trust */
2367 :
2368 0 : if (is_dc_trusted_domain_situation(domain)) {
2369 0 : if (!lp_allow_trusted_domains()) {
2370 0 : return false;
2371 : }
2372 :
2373 0 : if (!pdb_get_trusteddom_pw(domain, cur_pw, NULL,
2374 : &last_set_time))
2375 : {
2376 0 : DEBUG(0, ("get_trust_pw: could not fetch trust "
2377 : "account password for trusted domain %s\n",
2378 : domain));
2379 0 : return false;
2380 : }
2381 :
2382 0 : if (channel != NULL) {
2383 0 : *channel = SEC_CHAN_DOMAIN;
2384 : }
2385 :
2386 0 : if (account_name != NULL) {
2387 0 : *account_name = lp_workgroup();
2388 : }
2389 :
2390 0 : if (_last_set_time != NULL) {
2391 0 : *_last_set_time = last_set_time;
2392 : }
2393 :
2394 0 : return true;
2395 : }
2396 :
2397 : /*
2398 : * Since we can only be member of one single domain, we are now
2399 : * in a member situation:
2400 : *
2401 : * - Either we are a DC (selfjoined) and the domain is our
2402 : * own domain.
2403 : * - Or we are on a member and the domain is our own or some
2404 : * other (potentially trusted) domain.
2405 : *
2406 : * In both cases, we can only get the machine account password
2407 : * for our own domain to connect to our own dc. (For a member,
2408 : * request to trusted domains are performed through our dc.)
2409 : *
2410 : * So we simply use our own domain name to retrieve the
2411 : * machine account password and ignore the request domain here.
2412 : */
2413 :
2414 0 : pwd = secrets_fetch_machine_password(lp_workgroup(), &last_set_time, channel);
2415 :
2416 0 : if (pwd != NULL) {
2417 0 : struct timeval expire;
2418 :
2419 0 : *cur_pw = pwd;
2420 :
2421 0 : if (account_name != NULL) {
2422 0 : *account_name = lp_netbios_name();
2423 : }
2424 :
2425 0 : if (_last_set_time != NULL) {
2426 0 : *_last_set_time = last_set_time;
2427 : }
2428 :
2429 0 : if (prev_pw == NULL) {
2430 0 : return true;
2431 : }
2432 :
2433 0 : ZERO_STRUCT(expire);
2434 0 : expire.tv_sec = lp_machine_password_timeout();
2435 0 : expire.tv_sec /= 2;
2436 0 : expire.tv_sec += last_set_time;
2437 0 : if (timeval_expired(&expire)) {
2438 0 : return true;
2439 : }
2440 :
2441 0 : pwd = secrets_fetch_prev_machine_password(lp_workgroup());
2442 0 : if (pwd != NULL) {
2443 0 : *prev_pw = pwd;
2444 : }
2445 :
2446 0 : return true;
2447 : }
2448 :
2449 0 : DEBUG(5, ("get_trust_pw_clear2: could not fetch clear text trust "
2450 : "account password for domain %s\n", domain));
2451 0 : return false;
2452 : }
2453 :
2454 0 : bool get_trust_pw_clear(const char *domain, char **ret_pwd,
2455 : const char **account_name,
2456 : enum netr_SchannelType *channel)
2457 : {
2458 0 : return get_trust_pw_clear2(domain,
2459 : account_name,
2460 : channel,
2461 : ret_pwd,
2462 : NULL,
2463 : NULL);
2464 : }
2465 :
2466 : /*******************************************************************
2467 : Wrapper around retrieving the trust account password.
2468 : appropriate account name is stored in account_name.
2469 : *******************************************************************/
2470 :
2471 0 : static bool get_trust_pw_hash2(const char *domain,
2472 : const char **account_name,
2473 : enum netr_SchannelType *channel,
2474 : struct samr_Password *current_nt_hash,
2475 : time_t *last_set_time,
2476 : struct samr_Password **_previous_nt_hash)
2477 : {
2478 0 : char *cur_pw = NULL;
2479 0 : char *prev_pw = NULL;
2480 0 : char **_prev_pw = NULL;
2481 0 : bool ok;
2482 :
2483 0 : if (_previous_nt_hash != NULL) {
2484 0 : *_previous_nt_hash = NULL;
2485 0 : _prev_pw = &prev_pw;
2486 : }
2487 :
2488 0 : ok = get_trust_pw_clear2(domain, account_name, channel,
2489 : &cur_pw, last_set_time, _prev_pw);
2490 0 : if (ok) {
2491 0 : struct samr_Password *previous_nt_hash = NULL;
2492 :
2493 0 : E_md4hash(cur_pw, current_nt_hash->hash);
2494 0 : BURN_FREE_STR(cur_pw);
2495 :
2496 0 : if (prev_pw == NULL) {
2497 0 : return true;
2498 : }
2499 :
2500 0 : previous_nt_hash = SMB_MALLOC_P(struct samr_Password);
2501 0 : if (previous_nt_hash == NULL) {
2502 0 : return false;
2503 : }
2504 :
2505 0 : E_md4hash(prev_pw, previous_nt_hash->hash);
2506 0 : BURN_FREE_STR(prev_pw);
2507 :
2508 0 : *_previous_nt_hash = previous_nt_hash;
2509 0 : return true;
2510 0 : } else if (is_dc_trusted_domain_situation(domain)) {
2511 0 : return false;
2512 : }
2513 :
2514 : /* as a fallback, try to get the hashed pwd directly from the tdb... */
2515 :
2516 0 : if (secrets_fetch_trust_account_password_legacy(domain,
2517 0 : current_nt_hash->hash,
2518 : last_set_time,
2519 : channel))
2520 : {
2521 0 : if (account_name != NULL) {
2522 0 : *account_name = lp_netbios_name();
2523 : }
2524 :
2525 0 : return true;
2526 : }
2527 :
2528 0 : DEBUG(5, ("get_trust_pw_hash: could not fetch trust account "
2529 : "password for domain %s\n", domain));
2530 0 : return False;
2531 : }
2532 :
2533 0 : bool get_trust_pw_hash(const char *domain, uint8_t ret_pwd[16],
2534 : const char **account_name,
2535 : enum netr_SchannelType *channel)
2536 : {
2537 0 : struct samr_Password current_nt_hash;
2538 0 : bool ok;
2539 :
2540 0 : ok = get_trust_pw_hash2(domain, account_name, channel,
2541 : ¤t_nt_hash, NULL, NULL);
2542 0 : if (!ok) {
2543 0 : return false;
2544 : }
2545 :
2546 0 : memcpy(ret_pwd, current_nt_hash.hash, sizeof(current_nt_hash.hash));
2547 0 : return true;
2548 : }
2549 :
2550 129 : NTSTATUS pdb_get_trust_credentials(const char *netbios_domain,
2551 : const char *dns_domain, /* optional */
2552 : TALLOC_CTX *mem_ctx,
2553 : struct cli_credentials **_creds)
2554 : {
2555 129 : TALLOC_CTX *frame = talloc_stackframe();
2556 0 : NTSTATUS status;
2557 0 : struct loadparm_context *lp_ctx;
2558 0 : enum netr_SchannelType channel;
2559 0 : time_t last_set_time;
2560 0 : const char *_account_name;
2561 0 : const char *account_name;
2562 129 : char *cur_pw = NULL;
2563 129 : char *prev_pw = NULL;
2564 0 : struct samr_Password cur_nt_hash;
2565 129 : struct cli_credentials *creds = NULL;
2566 0 : bool ok;
2567 :
2568 : /*
2569 : * If this is our primary trust relationship, use the common
2570 : * code to read the secrets.ldb or secrets.tdb file.
2571 : */
2572 129 : if (strequal(netbios_domain, lp_workgroup())) {
2573 129 : struct db_context *db_ctx = secrets_db_ctx();
2574 129 : if (db_ctx == NULL) {
2575 0 : DEBUG(1, ("failed to open secrets.tdb to obtain our trust credentials for %s\n",
2576 : netbios_domain));
2577 0 : status = NT_STATUS_INTERNAL_ERROR;
2578 0 : goto fail;
2579 : }
2580 :
2581 129 : lp_ctx = loadparm_init_s3(frame, loadparm_s3_helpers());
2582 129 : if (lp_ctx == NULL) {
2583 0 : DEBUG(1, ("loadparm_init_s3 failed\n"));
2584 0 : status = NT_STATUS_INTERNAL_ERROR;
2585 0 : goto fail;
2586 : }
2587 :
2588 129 : creds = cli_credentials_init(mem_ctx);
2589 129 : if (creds == NULL) {
2590 0 : status = NT_STATUS_NO_MEMORY;
2591 0 : goto fail;
2592 : }
2593 :
2594 129 : ok = cli_credentials_set_conf(creds, lp_ctx);
2595 129 : if (!ok) {
2596 0 : status = NT_STATUS_INTERNAL_ERROR;
2597 0 : goto fail;
2598 : }
2599 :
2600 129 : ok = cli_credentials_set_domain(creds, netbios_domain, CRED_SPECIFIED);
2601 129 : if (!ok) {
2602 0 : status = NT_STATUS_NO_MEMORY;
2603 0 : goto fail;
2604 : }
2605 :
2606 129 : status = cli_credentials_set_machine_account_db_ctx(creds,
2607 : lp_ctx,
2608 : db_ctx);
2609 129 : if (!NT_STATUS_IS_OK(status)) {
2610 0 : goto fail;
2611 : }
2612 129 : goto done;
2613 0 : } else if (!IS_DC) {
2614 0 : DEBUG(1, ("Refusing to get trust account info for %s, "
2615 : "which is not our primary domain %s, "
2616 : "as we are not a DC\n",
2617 : netbios_domain, lp_workgroup()));
2618 0 : status = NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
2619 0 : goto fail;
2620 : }
2621 :
2622 0 : status = pdb_get_trusteddom_creds(netbios_domain, mem_ctx, &creds);
2623 0 : if (NT_STATUS_IS_OK(status)) {
2624 0 : goto done;
2625 : }
2626 0 : if (!NT_STATUS_EQUAL(status, NT_STATUS_NOT_IMPLEMENTED)) {
2627 0 : goto fail;
2628 : }
2629 :
2630 0 : ok = get_trust_pw_clear2(netbios_domain,
2631 : &_account_name,
2632 : &channel,
2633 : &cur_pw,
2634 : &last_set_time,
2635 : &prev_pw);
2636 0 : if (!ok) {
2637 0 : ok = get_trust_pw_hash2(netbios_domain,
2638 : &_account_name,
2639 : &channel,
2640 : &cur_nt_hash,
2641 : &last_set_time,
2642 : NULL);
2643 0 : if (!ok) {
2644 0 : DEBUG(1, ("get_trust_pw_*2 failed for domain[%s]\n",
2645 : netbios_domain));
2646 0 : status = NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
2647 0 : goto fail;
2648 : }
2649 : }
2650 :
2651 0 : account_name = talloc_asprintf(frame, "%s$", _account_name);
2652 0 : if (account_name == NULL) {
2653 0 : status = NT_STATUS_NO_MEMORY;
2654 0 : goto fail;
2655 : }
2656 :
2657 0 : lp_ctx = loadparm_init_s3(frame, loadparm_s3_helpers());
2658 0 : if (lp_ctx == NULL) {
2659 0 : DEBUG(1, ("loadparm_init_s3 failed\n"));
2660 0 : status = NT_STATUS_INTERNAL_ERROR;
2661 0 : goto fail;
2662 : }
2663 :
2664 0 : creds = cli_credentials_init(mem_ctx);
2665 0 : if (creds == NULL) {
2666 0 : status = NT_STATUS_NO_MEMORY;
2667 0 : goto fail;
2668 : }
2669 :
2670 0 : ok = cli_credentials_set_conf(creds, lp_ctx);
2671 0 : if (!ok) {
2672 0 : status = NT_STATUS_INTERNAL_ERROR;
2673 0 : goto fail;
2674 : }
2675 :
2676 0 : cli_credentials_set_secure_channel_type(creds, channel);
2677 0 : cli_credentials_set_password_last_changed_time(creds, last_set_time);
2678 :
2679 0 : ok = cli_credentials_set_domain(creds, netbios_domain, CRED_SPECIFIED);
2680 0 : if (!ok) {
2681 0 : status = NT_STATUS_NO_MEMORY;
2682 0 : goto fail;
2683 : }
2684 :
2685 0 : if (dns_domain != NULL) {
2686 0 : ok = cli_credentials_set_realm(creds, dns_domain, CRED_SPECIFIED);
2687 0 : if (!ok) {
2688 0 : status = NT_STATUS_NO_MEMORY;
2689 0 : goto fail;
2690 : }
2691 :
2692 : /*
2693 : * It's not possible to use NTLMSSP with a domain trust account.
2694 : */
2695 0 : cli_credentials_set_kerberos_state(creds,
2696 : CRED_USE_KERBEROS_REQUIRED,
2697 : CRED_SPECIFIED);
2698 : } else {
2699 : /*
2700 : * We can't use kerberos against an NT4 domain.
2701 : *
2702 : * We should have a mode that also disallows NTLMSSP here,
2703 : * as only NETLOGON SCHANNEL is possible.
2704 : */
2705 0 : cli_credentials_set_kerberos_state(creds,
2706 : CRED_USE_KERBEROS_DISABLED,
2707 : CRED_SPECIFIED);
2708 : }
2709 :
2710 0 : ok = cli_credentials_set_username(creds, account_name, CRED_SPECIFIED);
2711 0 : if (!ok) {
2712 0 : status = NT_STATUS_NO_MEMORY;
2713 0 : goto fail;
2714 : }
2715 :
2716 0 : if (cur_pw == NULL) {
2717 0 : ok = cli_credentials_set_nt_hash(creds, &cur_nt_hash, CRED_SPECIFIED);
2718 0 : if (!ok) {
2719 0 : status = NT_STATUS_NO_MEMORY;
2720 0 : goto fail;
2721 : }
2722 : /*
2723 : * We currently can't do kerberos just with an NTHASH.
2724 : */
2725 0 : cli_credentials_set_kerberos_state(creds,
2726 : CRED_USE_KERBEROS_DISABLED,
2727 : CRED_SPECIFIED);
2728 0 : goto done;
2729 : }
2730 :
2731 0 : ok = cli_credentials_set_password(creds, cur_pw, CRED_SPECIFIED);
2732 0 : if (!ok) {
2733 0 : status = NT_STATUS_NO_MEMORY;
2734 0 : goto fail;
2735 : }
2736 :
2737 0 : if (prev_pw != NULL) {
2738 0 : ok = cli_credentials_set_old_password(creds, prev_pw, CRED_SPECIFIED);
2739 0 : if (!ok) {
2740 0 : status = NT_STATUS_NO_MEMORY;
2741 0 : goto fail;
2742 : }
2743 : }
2744 :
2745 0 : done:
2746 129 : *_creds = creds;
2747 129 : creds = NULL;
2748 129 : status = NT_STATUS_OK;
2749 129 : fail:
2750 129 : TALLOC_FREE(creds);
2751 129 : SAFE_FREE(cur_pw);
2752 129 : SAFE_FREE(prev_pw);
2753 129 : TALLOC_FREE(frame);
2754 129 : return status;
2755 : }
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