Line data Source code
1 : /*
2 : Unix SMB/CIFS implementation.
3 : Password and authentication handling
4 : Copyright (C) Andrew Tridgell 1992-2000
5 : Copyright (C) Luke Kenneth Casson Leighton 1996-2000
6 : Copyright (C) Andrew Bartlett 2001-2003
7 : Copyright (C) Gerald Carter 2003
8 :
9 : This program is free software; you can redistribute it and/or modify
10 : it under the terms of the GNU General Public License as published by
11 : the Free Software Foundation; either version 3 of the License, or
12 : (at your option) any later version.
13 :
14 : This program is distributed in the hope that it will be useful,
15 : but WITHOUT ANY WARRANTY; without even the implied warranty of
16 : MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 : GNU General Public License for more details.
18 :
19 : You should have received a copy of the GNU General Public License
20 : along with this program. If not, see <http://www.gnu.org/licenses/>.
21 : */
22 :
23 : #include "includes.h"
24 : #include "auth.h"
25 : #include "../libcli/auth/libcli_auth.h"
26 : #include "passdb.h"
27 : #include "lib/util/memcache.h"
28 :
29 : #undef DBGC_CLASS
30 : #define DBGC_CLASS DBGC_AUTH
31 :
32 : /****************************************************************************
33 : Do a specific test for an smb password being correct, given a smb_password and
34 : the lanman and NT responses.
35 : ****************************************************************************/
36 :
37 21241 : static NTSTATUS sam_password_ok(TALLOC_CTX *mem_ctx,
38 : const char *username,
39 : uint32_t acct_ctrl,
40 : const DATA_BLOB *challenge,
41 : const uint8_t *lm_pw,
42 : const uint8_t *nt_pw,
43 : const struct auth_usersupplied_info *user_info,
44 : DATA_BLOB *user_sess_key,
45 : DATA_BLOB *lm_sess_key)
46 : {
47 0 : NTSTATUS status;
48 0 : struct samr_Password _lm_hash, _nt_hash;
49 21241 : struct samr_Password *lm_hash = NULL;
50 21241 : struct samr_Password *nt_hash = NULL;
51 :
52 21241 : *user_sess_key = data_blob_null;
53 21241 : *lm_sess_key = data_blob_null;
54 :
55 21241 : if (acct_ctrl & ACB_PWNOTREQ) {
56 0 : if (lp_null_passwords()) {
57 0 : DEBUG(3,("Account for user '%s' has no password and null passwords are allowed.\n", username));
58 0 : return NT_STATUS_OK;
59 : } else {
60 0 : DEBUG(3,("Account for user '%s' has no password and null passwords are NOT allowed.\n", username));
61 0 : return NT_STATUS_LOGON_FAILURE;
62 : }
63 : }
64 :
65 21241 : if (lm_pw) {
66 8910 : memcpy(_lm_hash.hash, lm_pw, sizeof(_lm_hash.hash));
67 8910 : lm_hash = &_lm_hash;
68 : }
69 21241 : if (nt_pw) {
70 21241 : memcpy(_nt_hash.hash, nt_pw, sizeof(_nt_hash.hash));
71 21241 : nt_hash = &_nt_hash;
72 : }
73 21241 : switch (user_info->password_state) {
74 74 : case AUTH_PASSWORD_HASH:
75 74 : status = hash_password_check(mem_ctx, lp_lanman_auth(),
76 74 : lp_ntlm_auth(),
77 74 : user_info->password.hash.lanman,
78 74 : user_info->password.hash.nt,
79 : username,
80 : lm_hash,
81 : nt_hash);
82 74 : if (NT_STATUS_IS_OK(status)) {
83 40 : if (nt_pw) {
84 40 : *user_sess_key = data_blob_talloc(mem_ctx, NULL, 16);
85 40 : if (!user_sess_key->data) {
86 0 : status = NT_STATUS_NO_MEMORY;
87 0 : goto done;
88 : }
89 40 : SMBsesskeygen_ntv1(nt_pw, user_sess_key->data);
90 : }
91 : }
92 21241 : break;
93 :
94 : /* Eventually we should test plaintext passwords in their own
95 : * function, not assuming the caller has done a
96 : * mapping */
97 21167 : case AUTH_PASSWORD_PLAIN:
98 : case AUTH_PASSWORD_RESPONSE:
99 21167 : status = ntlm_password_check(mem_ctx, lp_lanman_auth(),
100 21167 : lp_ntlm_auth(),
101 21167 : user_info->logon_parameters,
102 : challenge,
103 : &user_info->password.response.lanman, &user_info->password.response.nt,
104 : username,
105 21167 : user_info->client.account_name,
106 21167 : user_info->client.domain_name,
107 : lm_hash,
108 : nt_hash,
109 : user_sess_key, lm_sess_key);
110 21167 : break;
111 0 : default:
112 0 : DEBUG(0,("user_info constructed for user '%s' was invalid - password_state=%u invalid.\n", username, user_info->password_state));
113 0 : status = NT_STATUS_INTERNAL_ERROR;
114 : }
115 21241 : done:
116 21241 : ZERO_STRUCTP(lm_hash);
117 21241 : ZERO_STRUCTP(nt_hash);
118 21241 : return status;
119 : }
120 :
121 : /****************************************************************************
122 : Check if a user is allowed to logon at this time. Note this is the
123 : servers local time, as logon hours are just specified as a weekly
124 : bitmask.
125 : ****************************************************************************/
126 :
127 20888 : static bool logon_hours_ok(struct samu *sampass)
128 : {
129 : /* In logon hours first bit is Sunday from 12AM to 1AM */
130 0 : const uint8_t *hours;
131 0 : struct tm *utctime;
132 0 : time_t lasttime;
133 0 : const char *asct;
134 0 : uint8_t bitmask, bitpos;
135 :
136 20888 : hours = pdb_get_hours(sampass);
137 20888 : if (!hours) {
138 0 : DEBUG(5,("logon_hours_ok: No hours restrictions for user %s\n",pdb_get_username(sampass)));
139 0 : return True;
140 : }
141 :
142 20888 : lasttime = time(NULL);
143 20888 : utctime = gmtime(&lasttime);
144 20888 : if (!utctime) {
145 0 : DEBUG(1, ("logon_hours_ok: failed to get gmtime. Failing logon for user %s\n",
146 : pdb_get_username(sampass) ));
147 0 : return False;
148 : }
149 :
150 : /* find the corresponding byte and bit */
151 20888 : bitpos = (utctime->tm_wday * 24 + utctime->tm_hour) % 168;
152 20888 : bitmask = 1 << (bitpos % 8);
153 :
154 20888 : if (! (hours[bitpos/8] & bitmask)) {
155 0 : struct tm *t = localtime(&lasttime);
156 0 : if (!t) {
157 0 : asct = "INVALID TIME";
158 : } else {
159 0 : asct = asctime(t);
160 0 : if (!asct) {
161 0 : asct = "INVALID TIME";
162 : }
163 : }
164 :
165 0 : DEBUG(1, ("logon_hours_ok: Account for user %s not allowed to "
166 : "logon at this time (%s).\n",
167 : pdb_get_username(sampass), asct ));
168 0 : return False;
169 : }
170 :
171 20888 : asct = asctime(utctime);
172 20888 : DEBUG(5,("logon_hours_ok: user %s allowed to logon at this time (%s)\n",
173 : pdb_get_username(sampass), asct ? asct : "UNKNOWN TIME" ));
174 :
175 20888 : return True;
176 : }
177 :
178 : /****************************************************************************
179 : Do a specific test for a struct samu being valid for this connection
180 : (ie not disabled, expired and the like).
181 : ****************************************************************************/
182 :
183 20951 : static NTSTATUS sam_account_ok(TALLOC_CTX *mem_ctx,
184 : struct samu *sampass,
185 : const struct auth_usersupplied_info *user_info)
186 : {
187 20951 : uint32_t acct_ctrl = pdb_get_acct_ctrl(sampass);
188 0 : char *workstation_list;
189 0 : time_t kickoff_time;
190 :
191 20951 : DEBUG(4,("sam_account_ok: Checking SMB password for user %s\n",pdb_get_username(sampass)));
192 :
193 : /* Quit if the account was disabled. */
194 20951 : if (acct_ctrl & ACB_DISABLED) {
195 63 : DEBUG(1,("sam_account_ok: Account for user '%s' was disabled.\n", pdb_get_username(sampass)));
196 63 : return NT_STATUS_ACCOUNT_DISABLED;
197 : }
198 :
199 : /* Quit if the account was locked out. */
200 20888 : if (acct_ctrl & ACB_AUTOLOCK) {
201 0 : DEBUG(1,("sam_account_ok: Account for user %s was locked out.\n", pdb_get_username(sampass)));
202 0 : return NT_STATUS_ACCOUNT_LOCKED_OUT;
203 : }
204 :
205 : /* Quit if the account is not allowed to logon at this time. */
206 20888 : if (! logon_hours_ok(sampass)) {
207 0 : return NT_STATUS_INVALID_LOGON_HOURS;
208 : }
209 :
210 : /* Test account expire time */
211 :
212 20888 : kickoff_time = pdb_get_kickoff_time(sampass);
213 20888 : if (kickoff_time != 0 && time(NULL) > kickoff_time) {
214 0 : DEBUG(1,("sam_account_ok: Account for user '%s' has expired.\n", pdb_get_username(sampass)));
215 0 : DEBUG(3,("sam_account_ok: Account expired at '%ld' unix time.\n", (long)kickoff_time));
216 0 : return NT_STATUS_ACCOUNT_EXPIRED;
217 : }
218 :
219 20888 : if (!(pdb_get_acct_ctrl(sampass) & ACB_PWNOEXP) && !(pdb_get_acct_ctrl(sampass) & ACB_PWNOTREQ)) {
220 20843 : time_t must_change_time = pdb_get_pass_must_change_time(sampass);
221 20843 : time_t last_set_time = pdb_get_pass_last_set_time(sampass);
222 :
223 : /* check for immediate expiry "must change at next logon"
224 : * for a user account. */
225 20843 : if (((acct_ctrl & (ACB_WSTRUST|ACB_SVRTRUST)) == 0) && (last_set_time == 0)) {
226 0 : DEBUG(1,("sam_account_ok: Account for user '%s' password must change!\n", pdb_get_username(sampass)));
227 0 : return NT_STATUS_PASSWORD_MUST_CHANGE;
228 : }
229 :
230 : /* check for expired password */
231 20843 : if (must_change_time < time(NULL) && must_change_time != 0) {
232 0 : DEBUG(1,("sam_account_ok: Account for user '%s' password expired!\n", pdb_get_username(sampass)));
233 0 : DEBUG(1,("sam_account_ok: Password expired at '%s' (%ld) unix time.\n", http_timestring(talloc_tos(), must_change_time), (long)must_change_time));
234 0 : return NT_STATUS_PASSWORD_EXPIRED;
235 : }
236 : }
237 :
238 : /* Test workstation. Workstation list is comma separated. */
239 :
240 20888 : workstation_list = talloc_strdup(mem_ctx, pdb_get_workstations(sampass));
241 20888 : if (!workstation_list)
242 0 : return NT_STATUS_NO_MEMORY;
243 :
244 20888 : if (*workstation_list) {
245 0 : bool invalid_ws = True;
246 0 : char *tok = NULL;
247 0 : const char *s = workstation_list;
248 0 : char *machine_name = talloc_asprintf(mem_ctx, "%s$", user_info->workstation_name);
249 :
250 0 : if (machine_name == NULL)
251 0 : return NT_STATUS_NO_MEMORY;
252 :
253 0 : while (next_token_talloc(mem_ctx, &s, &tok, ",")) {
254 0 : DEBUG(10,("sam_account_ok: checking for workstation match %s and %s\n",
255 : tok, user_info->workstation_name));
256 0 : if(strequal(tok, user_info->workstation_name)) {
257 0 : invalid_ws = False;
258 0 : break;
259 : }
260 0 : if (tok[0] == '+') {
261 0 : DEBUG(10,("sam_account_ok: checking for workstation %s in group: %s\n",
262 : machine_name, tok + 1));
263 0 : if (user_in_group(machine_name, tok + 1)) {
264 0 : invalid_ws = False;
265 0 : break;
266 : }
267 : }
268 0 : TALLOC_FREE(tok);
269 : }
270 0 : TALLOC_FREE(tok);
271 0 : TALLOC_FREE(machine_name);
272 :
273 0 : if (invalid_ws)
274 0 : return NT_STATUS_INVALID_WORKSTATION;
275 : }
276 :
277 20888 : if (acct_ctrl & ACB_DOMTRUST) {
278 0 : DEBUG(2,("sam_account_ok: Domain trust account %s denied by server\n", pdb_get_username(sampass)));
279 0 : return NT_STATUS_NOLOGON_INTERDOMAIN_TRUST_ACCOUNT;
280 : }
281 :
282 20888 : if (acct_ctrl & ACB_SVRTRUST) {
283 92 : if (!(user_info->logon_parameters & MSV1_0_ALLOW_SERVER_TRUST_ACCOUNT)) {
284 0 : DEBUG(2,("sam_account_ok: Server trust account %s denied by server\n", pdb_get_username(sampass)));
285 0 : return NT_STATUS_NOLOGON_SERVER_TRUST_ACCOUNT;
286 : }
287 : }
288 :
289 20888 : if (acct_ctrl & ACB_WSTRUST) {
290 89 : if (!(user_info->logon_parameters & MSV1_0_ALLOW_WORKSTATION_TRUST_ACCOUNT)) {
291 0 : DEBUG(2,("sam_account_ok: Wksta trust account %s denied by server\n", pdb_get_username(sampass)));
292 0 : return NT_STATUS_NOLOGON_WORKSTATION_TRUST_ACCOUNT;
293 : }
294 : }
295 20888 : return NT_STATUS_OK;
296 : }
297 :
298 : /**
299 : * Check whether the given password is one of the last two
300 : * password history entries. If so, the bad pwcount should
301 : * not be incremented even though the actual password check
302 : * failed.
303 : */
304 218 : static bool need_to_increment_bad_pw_count(
305 : const DATA_BLOB *challenge,
306 : struct samu* sampass,
307 : const struct auth_usersupplied_info *user_info)
308 : {
309 0 : uint8_t i;
310 0 : const uint8_t *pwhistory;
311 0 : uint32_t pwhistory_len;
312 0 : uint32_t policy_pwhistory_len;
313 0 : uint32_t acct_ctrl;
314 0 : const char *username;
315 218 : TALLOC_CTX *mem_ctx = talloc_stackframe();
316 218 : bool result = true;
317 :
318 218 : pdb_get_account_policy(PDB_POLICY_PASSWORD_HISTORY,
319 : &policy_pwhistory_len);
320 218 : if (policy_pwhistory_len == 0) {
321 182 : goto done;
322 : }
323 :
324 36 : pwhistory = pdb_get_pw_history(sampass, &pwhistory_len);
325 36 : if (!pwhistory || pwhistory_len == 0) {
326 0 : goto done;
327 : }
328 :
329 36 : acct_ctrl = pdb_get_acct_ctrl(sampass);
330 36 : username = pdb_get_username(sampass);
331 :
332 99 : for (i=1; i < MIN(MIN(3, policy_pwhistory_len), pwhistory_len); i++) {
333 0 : const uint8_t *salt;
334 0 : const uint8_t *nt_pw;
335 0 : NTSTATUS status;
336 69 : DATA_BLOB user_sess_key = data_blob_null;
337 69 : DATA_BLOB lm_sess_key = data_blob_null;
338 :
339 69 : salt = &pwhistory[i*PW_HISTORY_ENTRY_LEN];
340 69 : nt_pw = salt + PW_HISTORY_SALT_LEN;
341 :
342 69 : if (all_zero(nt_pw, NT_HASH_LEN)) {
343 : /* skip zero password hash */
344 0 : continue;
345 : }
346 :
347 69 : if (!all_zero(salt, PW_HISTORY_SALT_LEN)) {
348 : /* skip nonzero salt (old format entry) */
349 0 : continue;
350 : }
351 :
352 69 : status = sam_password_ok(mem_ctx,
353 : username, acct_ctrl,
354 : challenge,
355 : NULL, nt_pw,
356 : user_info, &user_sess_key, &lm_sess_key);
357 69 : if (NT_STATUS_IS_OK(status)) {
358 6 : result = false;
359 6 : break;
360 : }
361 : }
362 :
363 30 : done:
364 218 : TALLOC_FREE(mem_ctx);
365 218 : return result;
366 : }
367 :
368 : /****************************************************************************
369 : check if a username/password is OK assuming the password is a 24 byte
370 : SMB hash supplied in the user_info structure
371 : return an NT_STATUS constant.
372 : ****************************************************************************/
373 :
374 24388 : NTSTATUS check_sam_security(const DATA_BLOB *challenge,
375 : TALLOC_CTX *mem_ctx,
376 : const struct auth_usersupplied_info *user_info,
377 : struct auth_serversupplied_info **server_info)
378 : {
379 24388 : struct samu *sampass=NULL;
380 0 : bool ret;
381 0 : NTSTATUS nt_status;
382 0 : NTSTATUS update_login_attempts_status;
383 24388 : DATA_BLOB user_sess_key = data_blob_null;
384 24388 : DATA_BLOB lm_sess_key = data_blob_null;
385 24388 : bool updated_badpw = False;
386 0 : const char *username;
387 0 : const uint8_t *nt_pw;
388 0 : const uint8_t *lm_pw;
389 0 : uint32_t acct_ctrl;
390 24388 : char *mutex_name_by_user = NULL;
391 24388 : struct named_mutex *mtx = NULL;
392 :
393 : /* the returned struct gets kept on the server_info, by means
394 : of a steal further down */
395 :
396 24388 : sampass = samu_new(mem_ctx);
397 24388 : if (sampass == NULL) {
398 0 : return NT_STATUS_NO_MEMORY;
399 : }
400 :
401 : /* get the account information */
402 :
403 24388 : become_root();
404 24388 : ret = pdb_getsampwnam(sampass, user_info->mapped.account_name);
405 24388 : unbecome_root();
406 :
407 24388 : if (!ret) {
408 3214 : DEBUG(3,("check_sam_security: Couldn't find user '%s' in "
409 : "passdb.\n", user_info->mapped.account_name));
410 3214 : TALLOC_FREE(sampass);
411 3214 : return NT_STATUS_NO_SUCH_USER;
412 : }
413 :
414 21174 : acct_ctrl = pdb_get_acct_ctrl(sampass);
415 21174 : username = pdb_get_username(sampass);
416 21174 : nt_pw = pdb_get_nt_passwd(sampass);
417 21174 : lm_pw = pdb_get_lanman_passwd(sampass);
418 :
419 : /* Quit if the account was locked out. */
420 21174 : if (acct_ctrl & ACB_AUTOLOCK) {
421 2 : DEBUG(3,("check_sam_security: Account for user %s was locked out.\n", username));
422 2 : TALLOC_FREE(sampass);
423 2 : return NT_STATUS_ACCOUNT_LOCKED_OUT;
424 : }
425 :
426 21172 : nt_status = sam_password_ok(mem_ctx,
427 : username, acct_ctrl,
428 : challenge, lm_pw, nt_pw,
429 : user_info, &user_sess_key, &lm_sess_key);
430 :
431 : /*
432 : * We must re-load the sam account information under a mutex
433 : * lock to ensure we don't miss any concurrent account lockout
434 : * changes.
435 : */
436 :
437 : /* Clear out old sampass info. */
438 21172 : TALLOC_FREE(sampass);
439 21172 : acct_ctrl = 0;
440 21172 : username = NULL;
441 21172 : nt_pw = NULL;
442 21172 : lm_pw = NULL;
443 :
444 21172 : sampass = samu_new(mem_ctx);
445 21172 : if (sampass == NULL) {
446 0 : return NT_STATUS_NO_MEMORY;
447 : }
448 :
449 21172 : mutex_name_by_user = talloc_asprintf(mem_ctx,
450 : "check_sam_security_mutex_%s",
451 21172 : user_info->mapped.account_name);
452 21172 : if (mutex_name_by_user == NULL) {
453 0 : nt_status = NT_STATUS_NO_MEMORY;
454 0 : goto done;
455 : }
456 :
457 : /* Grab the named mutex under root with 30 second timeout. */
458 21172 : become_root();
459 21172 : mtx = grab_named_mutex(mem_ctx, mutex_name_by_user, 30);
460 21172 : if (mtx != NULL) {
461 : /* Re-load the account information if we got the mutex. */
462 21172 : ret = pdb_getsampwnam(sampass, user_info->mapped.account_name);
463 : }
464 21172 : unbecome_root();
465 :
466 : /* Everything from here on until mtx is freed is done under the mutex.*/
467 :
468 21172 : if (mtx == NULL) {
469 0 : DBG_ERR("Acquisition of mutex %s failed "
470 : "for user %s\n",
471 : mutex_name_by_user,
472 : user_info->mapped.account_name);
473 0 : nt_status = NT_STATUS_INTERNAL_ERROR;
474 0 : goto done;
475 : }
476 :
477 21172 : if (!ret) {
478 : /*
479 : * Re-load of account failed. This could only happen if the
480 : * user was deleted in the meantime.
481 : */
482 0 : DBG_NOTICE("reload of user '%s' in passdb failed.\n",
483 : user_info->mapped.account_name);
484 0 : nt_status = NT_STATUS_NO_SUCH_USER;
485 0 : goto done;
486 : }
487 :
488 : /* Re-load the account control info. */
489 21172 : acct_ctrl = pdb_get_acct_ctrl(sampass);
490 21172 : username = pdb_get_username(sampass);
491 :
492 : /*
493 : * Check if the account is now locked out - now under the mutex.
494 : * This can happen if the server is under
495 : * a password guess attack and the ACB_AUTOLOCK is set by
496 : * another process.
497 : */
498 21172 : if (acct_ctrl & ACB_AUTOLOCK) {
499 0 : DBG_NOTICE("Account for user %s was locked out.\n", username);
500 0 : nt_status = NT_STATUS_ACCOUNT_LOCKED_OUT;
501 0 : goto done;
502 : }
503 :
504 : /* Notify passdb backend of login success/failure. If not
505 : NT_STATUS_OK the backend doesn't like the login */
506 :
507 21172 : update_login_attempts_status = pdb_update_login_attempts(sampass, NT_STATUS_IS_OK(nt_status));
508 :
509 21172 : if (!NT_STATUS_IS_OK(nt_status)) {
510 221 : bool increment_bad_pw_count = false;
511 :
512 221 : if (NT_STATUS_EQUAL(nt_status,NT_STATUS_WRONG_PASSWORD) &&
513 218 : (acct_ctrl & ACB_NORMAL) &&
514 218 : NT_STATUS_IS_OK(update_login_attempts_status))
515 : {
516 0 : increment_bad_pw_count =
517 218 : need_to_increment_bad_pw_count(
518 : challenge, sampass, user_info);
519 : }
520 :
521 221 : if (increment_bad_pw_count) {
522 212 : pdb_increment_bad_password_count(sampass);
523 212 : updated_badpw = True;
524 : } else {
525 9 : pdb_update_bad_password_count(sampass,
526 : &updated_badpw);
527 : }
528 221 : if (updated_badpw){
529 0 : NTSTATUS status;
530 :
531 212 : become_root();
532 212 : status = pdb_update_sam_account(sampass);
533 212 : unbecome_root();
534 :
535 212 : if (!NT_STATUS_IS_OK(status)) {
536 0 : DEBUG(1, ("Failed to modify entry: %s\n",
537 : nt_errstr(status)));
538 : }
539 : }
540 221 : goto done;
541 : }
542 :
543 : /*
544 : * We must only reset the bad password count if the login was
545 : * successful, including checking account policies
546 : */
547 20951 : nt_status = sam_account_ok(mem_ctx, sampass, user_info);
548 20951 : if (!NT_STATUS_IS_OK(nt_status)) {
549 63 : goto done;
550 : }
551 :
552 41595 : if ((acct_ctrl & ACB_NORMAL) &&
553 20707 : (pdb_get_bad_password_count(sampass) > 0)){
554 0 : NTSTATUS status;
555 :
556 5 : pdb_set_bad_password_count(sampass, 0, PDB_CHANGED);
557 5 : pdb_set_bad_password_time(sampass, 0, PDB_CHANGED);
558 :
559 5 : become_root();
560 5 : status = pdb_update_sam_account(sampass);
561 5 : unbecome_root();
562 :
563 5 : if (!NT_STATUS_IS_OK(status)) {
564 0 : DEBUG(1, ("Failed to modify entry: %s\n",
565 : nt_errstr(status)));
566 : }
567 : }
568 :
569 20888 : become_root();
570 20888 : nt_status = make_server_info_sam(mem_ctx, sampass, server_info);
571 20888 : unbecome_root();
572 :
573 20888 : if (!NT_STATUS_IS_OK(nt_status)) {
574 0 : DEBUG(0,("check_sam_security: make_server_info_sam() failed with '%s'\n", nt_errstr(nt_status)));
575 0 : goto done;
576 : }
577 :
578 20888 : (*server_info)->session_key =
579 20888 : data_blob_talloc(*server_info, user_sess_key.data,
580 : user_sess_key.length);
581 20888 : data_blob_free(&user_sess_key);
582 :
583 20888 : (*server_info)->lm_session_key =
584 20888 : data_blob_talloc(*server_info, lm_sess_key.data,
585 : lm_sess_key.length);
586 20888 : data_blob_free(&lm_sess_key);
587 :
588 20888 : (*server_info)->nss_token |= user_info->was_mapped;
589 :
590 21172 : done:
591 : /*
592 : * Always flush the getpwsid cache or this will grow indefinitely for
593 : * each NTLM auththentication.
594 : */
595 21172 : memcache_flush(NULL, PDB_GETPWSID_CACHE);
596 21172 : TALLOC_FREE(sampass);
597 21172 : data_blob_free(&user_sess_key);
598 21172 : data_blob_free(&lm_sess_key);
599 21172 : TALLOC_FREE(mutex_name_by_user);
600 21172 : TALLOC_FREE(mtx);
601 21172 : return nt_status;
602 : }
603 :
604 : /* This helper function for winbindd returns a very similar value to
605 : * what a NETLOGON call would give, without the indirection */
606 3 : NTSTATUS check_sam_security_info3(const DATA_BLOB *challenge,
607 : TALLOC_CTX *mem_ctx,
608 : const struct auth_usersupplied_info *user_info,
609 : struct netr_SamInfo3 **pinfo3)
610 : {
611 3 : struct auth_serversupplied_info *server_info = NULL;
612 0 : struct netr_SamInfo3 *info3;
613 0 : NTSTATUS status;
614 3 : TALLOC_CTX *frame = talloc_stackframe();
615 :
616 3 : status = check_sam_security(challenge, talloc_tos(), user_info,
617 : &server_info);
618 3 : if (!NT_STATUS_IS_OK(status)) {
619 0 : DEBUG(10, ("check_sam_security failed: %s\n",
620 : nt_errstr(status)));
621 0 : goto done;
622 : }
623 :
624 3 : info3 = talloc_zero(mem_ctx, struct netr_SamInfo3);
625 3 : if (info3 == NULL) {
626 0 : status = NT_STATUS_NO_MEMORY;
627 0 : goto done;
628 : }
629 :
630 3 : status = serverinfo_to_SamInfo3(server_info, info3);
631 3 : if (!NT_STATUS_IS_OK(status)) {
632 0 : DEBUG(10, ("serverinfo_to_SamInfo3 failed: %s\n",
633 : nt_errstr(status)));
634 0 : goto done;
635 : }
636 3 : *pinfo3 = info3;
637 3 : status = NT_STATUS_OK;
638 3 : done:
639 3 : TALLOC_FREE(frame);
640 3 : return status;
641 : }
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