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s3-samr: try to to fix password_expired flag handling.
[Samba.git] / source3 / rpc_server / srv_samr_nt.c
blobc60d904b18293684f851665e9cfe7f0878c418ff
1 /*
2 * Unix SMB/CIFS implementation.
3 * RPC Pipe client / server routines
4 * Copyright (C) Andrew Tridgell 1992-1997,
5 * Copyright (C) Luke Kenneth Casson Leighton 1996-1997,
6 * Copyright (C) Paul Ashton 1997,
7 * Copyright (C) Marc Jacobsen 1999,
8 * Copyright (C) Jeremy Allison 2001-2008,
9 * Copyright (C) Jean François Micouleau 1998-2001,
10 * Copyright (C) Jim McDonough <jmcd@us.ibm.com> 2002,
11 * Copyright (C) Gerald (Jerry) Carter 2003-2004,
12 * Copyright (C) Simo Sorce 2003.
13 * Copyright (C) Volker Lendecke 2005.
14 * Copyright (C) Guenther Deschner 2008.
15 *
16 * This program is free software; you can redistribute it and/or modify
17 * it under the terms of the GNU General Public License as published by
18 * the Free Software Foundation; either version 3 of the License, or
19 * (at your option) any later version.
20 *
21 * This program is distributed in the hope that it will be useful,
22 * but WITHOUT ANY WARRANTY; without even the implied warranty of
23 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
24 * GNU General Public License for more details.
25 *
26 * You should have received a copy of the GNU General Public License
27 * along with this program; if not, see <http://www.gnu.org/licenses/>.
28 */
29
30 /*
31 * This is the implementation of the SAMR code.
32 */
33
34 #include "includes.h"
35
36 #undef DBGC_CLASS
37 #define DBGC_CLASS DBGC_RPC_SRV
38
39 #define SAMR_USR_RIGHTS_WRITE_PW \
40 ( READ_CONTROL_ACCESS | \
41 SAMR_USER_ACCESS_CHANGE_PASSWORD | \
42 SAMR_USER_ACCESS_SET_LOC_COM)
43 #define SAMR_USR_RIGHTS_CANT_WRITE_PW \
44 ( READ_CONTROL_ACCESS | SAMR_USER_ACCESS_SET_LOC_COM )
45
46 #define DISP_INFO_CACHE_TIMEOUT 10
47
48 #define MAX_SAM_ENTRIES_W2K 0x400 /* 1024 */
49 #define MAX_SAM_ENTRIES_W95 50
50
51 typedef struct disp_info {
52 DOM_SID sid; /* identify which domain this is. */
53 bool builtin_domain; /* Quick flag to check if this is the builtin domain. */
54 struct pdb_search *users; /* querydispinfo 1 and 4 */
55 struct pdb_search *machines; /* querydispinfo 2 */
56 struct pdb_search *groups; /* querydispinfo 3 and 5, enumgroups */
57 struct pdb_search *aliases; /* enumaliases */
58
59 uint16 enum_acb_mask;
60 struct pdb_search *enum_users; /* enumusers with a mask */
61
62 struct timed_event *cache_timeout_event; /* cache idle timeout
63 * handler. */
64 } DISP_INFO;
65
66 /* We keep a static list of these by SID as modern clients close down
67 all resources between each request in a complete enumeration. */
68
69 struct samr_info {
70 /* for use by the \PIPE\samr policy */
71 DOM_SID sid;
72 bool builtin_domain; /* Quick flag to check if this is the builtin domain. */
73 uint32 status; /* some sort of flag. best to record it. comes from opnum 0x39 */
74 uint32 acc_granted;
75 DISP_INFO *disp_info;
76 };
77
78 static const struct generic_mapping sam_generic_mapping = {
79 GENERIC_RIGHTS_SAM_READ,
80 GENERIC_RIGHTS_SAM_WRITE,
81 GENERIC_RIGHTS_SAM_EXECUTE,
82 GENERIC_RIGHTS_SAM_ALL_ACCESS};
83 static const struct generic_mapping dom_generic_mapping = {
84 GENERIC_RIGHTS_DOMAIN_READ,
85 GENERIC_RIGHTS_DOMAIN_WRITE,
86 GENERIC_RIGHTS_DOMAIN_EXECUTE,
87 GENERIC_RIGHTS_DOMAIN_ALL_ACCESS};
88 static const struct generic_mapping usr_generic_mapping = {
89 GENERIC_RIGHTS_USER_READ,
90 GENERIC_RIGHTS_USER_WRITE,
91 GENERIC_RIGHTS_USER_EXECUTE,
92 GENERIC_RIGHTS_USER_ALL_ACCESS};
93 static const struct generic_mapping usr_nopwchange_generic_mapping = {
94 GENERIC_RIGHTS_USER_READ,
95 GENERIC_RIGHTS_USER_WRITE,
96 GENERIC_RIGHTS_USER_EXECUTE & ~SAMR_USER_ACCESS_CHANGE_PASSWORD,
97 GENERIC_RIGHTS_USER_ALL_ACCESS};
98 static const struct generic_mapping grp_generic_mapping = {
99 GENERIC_RIGHTS_GROUP_READ,
100 GENERIC_RIGHTS_GROUP_WRITE,
101 GENERIC_RIGHTS_GROUP_EXECUTE,
102 GENERIC_RIGHTS_GROUP_ALL_ACCESS};
103 static const struct generic_mapping ali_generic_mapping = {
104 GENERIC_RIGHTS_ALIAS_READ,
105 GENERIC_RIGHTS_ALIAS_WRITE,
106 GENERIC_RIGHTS_ALIAS_EXECUTE,
107 GENERIC_RIGHTS_ALIAS_ALL_ACCESS};
108
109 /*******************************************************************
110 *******************************************************************/
111
112 static NTSTATUS make_samr_object_sd( TALLOC_CTX *ctx, SEC_DESC **psd, size_t *sd_size,
113 const struct generic_mapping *map,
114 DOM_SID *sid, uint32 sid_access )
115 {
116 DOM_SID domadmin_sid;
117 SEC_ACE ace[5]; /* at most 5 entries */
118 size_t i = 0;
119
120 SEC_ACL *psa = NULL;
121
122 /* basic access for Everyone */
123
124 init_sec_ace(&ace[i++], &global_sid_World, SEC_ACE_TYPE_ACCESS_ALLOWED,
125 map->generic_execute | map->generic_read, 0);
126
127 /* add Full Access 'BUILTIN\Administrators' and 'BUILTIN\Account Operators */
128
129 init_sec_ace(&ace[i++], &global_sid_Builtin_Administrators,
130 SEC_ACE_TYPE_ACCESS_ALLOWED, map->generic_all, 0);
131 init_sec_ace(&ace[i++], &global_sid_Builtin_Account_Operators,
132 SEC_ACE_TYPE_ACCESS_ALLOWED, map->generic_all, 0);
133
134 /* Add Full Access for Domain Admins if we are a DC */
135
136 if ( IS_DC ) {
137 sid_copy( &domadmin_sid, get_global_sam_sid() );
138 sid_append_rid( &domadmin_sid, DOMAIN_GROUP_RID_ADMINS );
139 init_sec_ace(&ace[i++], &domadmin_sid,
140 SEC_ACE_TYPE_ACCESS_ALLOWED, map->generic_all, 0);
141 }
142
143 /* if we have a sid, give it some special access */
144
145 if ( sid ) {
146 init_sec_ace(&ace[i++], sid, SEC_ACE_TYPE_ACCESS_ALLOWED, sid_access, 0);
147 }
148
149 /* create the security descriptor */
150
151 if ((psa = make_sec_acl(ctx, NT4_ACL_REVISION, i, ace)) == NULL)
152 return NT_STATUS_NO_MEMORY;
153
154 if ((*psd = make_sec_desc(ctx, SECURITY_DESCRIPTOR_REVISION_1,
155 SEC_DESC_SELF_RELATIVE, NULL, NULL, NULL,
156 psa, sd_size)) == NULL)
157 return NT_STATUS_NO_MEMORY;
158
159 return NT_STATUS_OK;
160 }
161
162 /*******************************************************************
163 Checks if access to an object should be granted, and returns that
164 level of access for further checks.
165 ********************************************************************/
166
167 static NTSTATUS access_check_samr_object( SEC_DESC *psd, NT_USER_TOKEN *token,
168 SE_PRIV *rights, uint32 rights_mask,
169 uint32 des_access, uint32 *acc_granted,
170 const char *debug )
171 {
172 NTSTATUS status = NT_STATUS_ACCESS_DENIED;
173 uint32 saved_mask = 0;
174
175 /* check privileges; certain SAM access bits should be overridden
176 by privileges (mostly having to do with creating/modifying/deleting
177 users and groups) */
178
179 if ( rights && user_has_any_privilege( token, rights ) ) {
180
181 saved_mask = (des_access & rights_mask);
182 des_access &= ~saved_mask;
183
184 DEBUG(4,("access_check_samr_object: user rights access mask [0x%x]\n",
185 rights_mask));
186 }
187
188
189 /* check the security descriptor first */
190
191 status = se_access_check(psd, token, des_access, acc_granted);
192 if (NT_STATUS_IS_OK(status)) {
193 goto done;
194 }
195
196 /* give root a free pass */
197
198 if ( geteuid() == sec_initial_uid() ) {
199
200 DEBUG(4,("%s: ACCESS should be DENIED (requested: %#010x)\n", debug, des_access));
201 DEBUGADD(4,("but overritten by euid == sec_initial_uid()\n"));
202
203 *acc_granted = des_access;
204
205 status = NT_STATUS_OK;
206 goto done;
207 }
208
209
210 done:
211 /* add in any bits saved during the privilege check (only
212 matters is status is ok) */
213
214 *acc_granted |= rights_mask;
215
216 DEBUG(4,("%s: access %s (requested: 0x%08x, granted: 0x%08x)\n",
217 debug, NT_STATUS_IS_OK(status) ? "GRANTED" : "DENIED",
218 des_access, *acc_granted));
219
220 return status;
221 }
222
223 /*******************************************************************
224 Checks if access to a function can be granted
225 ********************************************************************/
226
227 static NTSTATUS access_check_samr_function(uint32 acc_granted, uint32 acc_required, const char *debug)
228 {
229 DEBUG(5,("%s: access check ((granted: %#010x; required: %#010x)\n",
230 debug, acc_granted, acc_required));
231
232 /* check the security descriptor first */
233
234 if ( (acc_granted&acc_required) == acc_required )
235 return NT_STATUS_OK;
236
237 /* give root a free pass */
238
239 if (geteuid() == sec_initial_uid()) {
240
241 DEBUG(4,("%s: ACCESS should be DENIED (granted: %#010x; required: %#010x)\n",
242 debug, acc_granted, acc_required));
243 DEBUGADD(4,("but overwritten by euid == 0\n"));
244
245 return NT_STATUS_OK;
246 }
247
248 DEBUG(2,("%s: ACCESS DENIED (granted: %#010x; required: %#010x)\n",
249 debug, acc_granted, acc_required));
250
251 return NT_STATUS_ACCESS_DENIED;
252 }
253
254 /*******************************************************************
255 Map any MAXIMUM_ALLOWED_ACCESS request to a valid access set.
256 ********************************************************************/
257
258 static void map_max_allowed_access(const NT_USER_TOKEN *token,
259 uint32_t *pacc_requested)
260 {
261 if (!((*pacc_requested) & MAXIMUM_ALLOWED_ACCESS)) {
262 return;
263 }
264 *pacc_requested &= ~MAXIMUM_ALLOWED_ACCESS;
265
266 /* At least try for generic read. */
267 *pacc_requested = GENERIC_READ_ACCESS;
268
269 /* root gets anything. */
270 if (geteuid() == sec_initial_uid()) {
271 *pacc_requested |= GENERIC_ALL_ACCESS;
272 return;
273 }
274
275 /* Full Access for 'BUILTIN\Administrators' and 'BUILTIN\Account Operators */
276
277 if (is_sid_in_token(token, &global_sid_Builtin_Administrators) ||
278 is_sid_in_token(token, &global_sid_Builtin_Account_Operators)) {
279 *pacc_requested |= GENERIC_ALL_ACCESS;
280 return;
281 }
282
283 /* Full access for DOMAIN\Domain Admins. */
284 if ( IS_DC ) {
285 DOM_SID domadmin_sid;
286 sid_copy( &domadmin_sid, get_global_sam_sid() );
287 sid_append_rid( &domadmin_sid, DOMAIN_GROUP_RID_ADMINS );
288 if (is_sid_in_token(token, &domadmin_sid)) {
289 *pacc_requested |= GENERIC_ALL_ACCESS;
290 return;
291 }
292 }
293 /* TODO ! Check privileges. */
294 }
295
296 /*******************************************************************
297 Fetch or create a dispinfo struct.
298 ********************************************************************/
299
300 static DISP_INFO *get_samr_dispinfo_by_sid(DOM_SID *psid)
301 {
302 /*
303 * We do a static cache for DISP_INFO's here. Explanation can be found
304 * in Jeremy's checkin message to r11793:
305 *
306 * Fix the SAMR cache so it works across completely insane
307 * client behaviour (ie.:
308 * open pipe/open SAMR handle/enumerate 0 - 1024
309 * close SAMR handle, close pipe.
310 * open pipe/open SAMR handle/enumerate 1024 - 2048...
311 * close SAMR handle, close pipe.
312 * And on ad-nausium. Amazing.... probably object-oriented
313 * client side programming in action yet again.
314 * This change should *massively* improve performance when
315 * enumerating users from an LDAP database.
316 * Jeremy.
317 *
318 * "Our" and the builtin domain are the only ones where we ever
319 * enumerate stuff, so just cache 2 entries.
320 */
321
322 static struct disp_info *builtin_dispinfo;
323 static struct disp_info *domain_dispinfo;
324
325 /* There are two cases to consider here:
326 1) The SID is a domain SID and we look for an equality match, or
327 2) This is an account SID and so we return the DISP_INFO* for our
328 domain */
329
330 if (psid == NULL) {
331 return NULL;
332 }
333
334 if (sid_check_is_builtin(psid) || sid_check_is_in_builtin(psid)) {
335 /*
336 * Necessary only once, but it does not really hurt.
337 */
338 if (builtin_dispinfo == NULL) {
339 builtin_dispinfo = talloc_zero(
340 talloc_autofree_context(), struct disp_info);
341 if (builtin_dispinfo == NULL) {
342 return NULL;
343 }
344 }
345 sid_copy(&builtin_dispinfo->sid, &global_sid_Builtin);
346
347 return builtin_dispinfo;
348 }
349
350 if (sid_check_is_domain(psid) || sid_check_is_in_our_domain(psid)) {
351 /*
352 * Necessary only once, but it does not really hurt.
353 */
354 if (domain_dispinfo == NULL) {
355 domain_dispinfo = talloc_zero(
356 talloc_autofree_context(), struct disp_info);
357 if (domain_dispinfo == NULL) {
358 return NULL;
359 }
360 }
361 sid_copy(&domain_dispinfo->sid, get_global_sam_sid());
362
363 return domain_dispinfo;
364 }
365
366 return NULL;
367 }
368
369 /*******************************************************************
370 Create a samr_info struct.
371 ********************************************************************/
372
373 static int samr_info_destructor(struct samr_info *info);
374
375 static struct samr_info *get_samr_info_by_sid(TALLOC_CTX *mem_ctx,
376 DOM_SID *psid)
377 {
378 struct samr_info *info;
379 fstring sid_str;
380
381 if (psid) {
382 sid_to_fstring(sid_str, psid);
383 } else {
384 fstrcpy(sid_str,"(NULL)");
385 }
386
387 if ((info = TALLOC_ZERO_P(mem_ctx, struct samr_info)) == NULL) {
388 return NULL;
389 }
390 talloc_set_destructor(info, samr_info_destructor);
391
392 DEBUG(10,("get_samr_info_by_sid: created new info for sid %s\n", sid_str));
393 if (psid) {
394 sid_copy( &info->sid, psid);
395 info->builtin_domain = sid_check_is_builtin(psid);
396 } else {
397 DEBUG(10,("get_samr_info_by_sid: created new info for NULL sid.\n"));
398 info->builtin_domain = False;
399 }
400
401 info->disp_info = get_samr_dispinfo_by_sid(psid);
402
403 return info;
404 }
405
406 /*******************************************************************
407 Function to free the per SID data.
408 ********************************************************************/
409
410 static void free_samr_cache(DISP_INFO *disp_info)
411 {
412 DEBUG(10, ("free_samr_cache: deleting cache for SID %s\n",
413 sid_string_dbg(&disp_info->sid)));
414
415 /* We need to become root here because the paged search might have to
416 * tell the LDAP server we're not interested in the rest anymore. */
417
418 become_root();
419
420 TALLOC_FREE(disp_info->users);
421 TALLOC_FREE(disp_info->machines);
422 TALLOC_FREE(disp_info->groups);
423 TALLOC_FREE(disp_info->aliases);
424 TALLOC_FREE(disp_info->enum_users);
425
426 unbecome_root();
427 }
428
429 static int samr_info_destructor(struct samr_info *info)
430 {
431 /* Only free the dispinfo cache if no one bothered to set up
432 a timeout. */
433
434 if (info->disp_info && info->disp_info->cache_timeout_event == NULL) {
435 free_samr_cache(info->disp_info);
436 }
437 return 0;
438 }
439
440 /*******************************************************************
441 Idle event handler. Throw away the disp info cache.
442 ********************************************************************/
443
444 static void disp_info_cache_idle_timeout_handler(struct event_context *ev_ctx,
445 struct timed_event *te,
446 struct timeval now,
447 void *private_data)
448 {
449 DISP_INFO *disp_info = (DISP_INFO *)private_data;
450
451 TALLOC_FREE(disp_info->cache_timeout_event);
452
453 DEBUG(10, ("disp_info_cache_idle_timeout_handler: caching timed "
454 "out\n"));
455 free_samr_cache(disp_info);
456 }
457
458 /*******************************************************************
459 Setup cache removal idle event handler.
460 ********************************************************************/
461
462 static void set_disp_info_cache_timeout(DISP_INFO *disp_info, time_t secs_fromnow)
463 {
464 /* Remove any pending timeout and update. */
465
466 TALLOC_FREE(disp_info->cache_timeout_event);
467
468 DEBUG(10,("set_disp_info_cache_timeout: caching enumeration for "
469 "SID %s for %u seconds\n", sid_string_dbg(&disp_info->sid),
470 (unsigned int)secs_fromnow ));
471
472 disp_info->cache_timeout_event = event_add_timed(
473 smbd_event_context(), NULL,
474 timeval_current_ofs(secs_fromnow, 0),
475 disp_info_cache_idle_timeout_handler, (void *)disp_info);
476 }
477
478 /*******************************************************************
479 Force flush any cache. We do this on any samr_set_xxx call.
480 We must also remove the timeout handler.
481 ********************************************************************/
482
483 static void force_flush_samr_cache(DISP_INFO *disp_info)
484 {
485 if ((disp_info == NULL) || (disp_info->cache_timeout_event == NULL)) {
486 return;
487 }
488
489 DEBUG(10,("force_flush_samr_cache: clearing idle event\n"));
490 TALLOC_FREE(disp_info->cache_timeout_event);
491 free_samr_cache(disp_info);
492 }
493
494 /*******************************************************************
495 Ensure password info is never given out. Paranioa... JRA.
496 ********************************************************************/
497
498 static void samr_clear_sam_passwd(struct samu *sam_pass)
499 {
500
501 if (!sam_pass)
502 return;
503
504 /* These now zero out the old password */
505
506 pdb_set_lanman_passwd(sam_pass, NULL, PDB_DEFAULT);
507 pdb_set_nt_passwd(sam_pass, NULL, PDB_DEFAULT);
508 }
509
510 static uint32 count_sam_users(struct disp_info *info, uint32 acct_flags)
511 {
512 struct samr_displayentry *entry;
513
514 if (info->builtin_domain) {
515 /* No users in builtin. */
516 return 0;
517 }
518
519 if (info->users == NULL) {
520 info->users = pdb_search_users(info, acct_flags);
521 if (info->users == NULL) {
522 return 0;
523 }
524 }
525 /* Fetch the last possible entry, thus trigger an enumeration */
526 pdb_search_entries(info->users, 0xffffffff, 1, &entry);
527
528 /* Ensure we cache this enumeration. */
529 set_disp_info_cache_timeout(info, DISP_INFO_CACHE_TIMEOUT);
530
531 return info->users->num_entries;
532 }
533
534 static uint32 count_sam_groups(struct disp_info *info)
535 {
536 struct samr_displayentry *entry;
537
538 if (info->builtin_domain) {
539 /* No groups in builtin. */
540 return 0;
541 }
542
543 if (info->groups == NULL) {
544 info->groups = pdb_search_groups(info);
545 if (info->groups == NULL) {
546 return 0;
547 }
548 }
549 /* Fetch the last possible entry, thus trigger an enumeration */
550 pdb_search_entries(info->groups, 0xffffffff, 1, &entry);
551
552 /* Ensure we cache this enumeration. */
553 set_disp_info_cache_timeout(info, DISP_INFO_CACHE_TIMEOUT);
554
555 return info->groups->num_entries;
556 }
557
558 static uint32 count_sam_aliases(struct disp_info *info)
559 {
560 struct samr_displayentry *entry;
561
562 if (info->aliases == NULL) {
563 info->aliases = pdb_search_aliases(info, &info->sid);
564 if (info->aliases == NULL) {
565 return 0;
566 }
567 }
568 /* Fetch the last possible entry, thus trigger an enumeration */
569 pdb_search_entries(info->aliases, 0xffffffff, 1, &entry);
570
571 /* Ensure we cache this enumeration. */
572 set_disp_info_cache_timeout(info, DISP_INFO_CACHE_TIMEOUT);
573
574 return info->aliases->num_entries;
575 }
576
577 /*******************************************************************
578 _samr_Close
579 ********************************************************************/
580
581 NTSTATUS _samr_Close(pipes_struct *p, struct samr_Close *r)
582 {
583 if (!close_policy_hnd(p, r->in.handle)) {
584 return NT_STATUS_INVALID_HANDLE;
585 }
586
587 ZERO_STRUCTP(r->out.handle);
588
589 return NT_STATUS_OK;
590 }
591
592 /*******************************************************************
593 _samr_OpenDomain
594 ********************************************************************/
595
596 NTSTATUS _samr_OpenDomain(pipes_struct *p,
597 struct samr_OpenDomain *r)
598 {
599 struct samr_info *info;
600 SEC_DESC *psd = NULL;
601 uint32 acc_granted;
602 uint32 des_access = r->in.access_mask;
603 NTSTATUS status;
604 size_t sd_size;
605 SE_PRIV se_rights;
606
607 /* find the connection policy handle. */
608
609 if ( !find_policy_by_hnd(p, r->in.connect_handle, (void**)(void *)&info) )
610 return NT_STATUS_INVALID_HANDLE;
611
612 status = access_check_samr_function(info->acc_granted,
613 SAMR_ACCESS_OPEN_DOMAIN,
614 "_samr_OpenDomain" );
615
616 if ( !NT_STATUS_IS_OK(status) )
617 return status;
618
619 /*check if access can be granted as requested by client. */
620 map_max_allowed_access(p->server_info->ptok, &des_access);
621
622 make_samr_object_sd( p->mem_ctx, &psd, &sd_size, &dom_generic_mapping, NULL, 0 );
623 se_map_generic( &des_access, &dom_generic_mapping );
624
625 se_priv_copy( &se_rights, &se_machine_account );
626 se_priv_add( &se_rights, &se_add_users );
627
628 status = access_check_samr_object( psd, p->server_info->ptok,
629 &se_rights, GENERIC_RIGHTS_DOMAIN_WRITE, des_access,
630 &acc_granted, "_samr_OpenDomain" );
631
632 if ( !NT_STATUS_IS_OK(status) )
633 return status;
634
635 if (!sid_check_is_domain(r->in.sid) &&
636 !sid_check_is_builtin(r->in.sid)) {
637 return NT_STATUS_NO_SUCH_DOMAIN;
638 }
639
640 /* associate the domain SID with the (unique) handle. */
641 if ((info = get_samr_info_by_sid(p->mem_ctx, r->in.sid))==NULL)
642 return NT_STATUS_NO_MEMORY;
643 info->acc_granted = acc_granted;
644
645 /* get a (unique) handle. open a policy on it. */
646 if (!create_policy_hnd(p, r->out.domain_handle, info))
647 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
648
649 DEBUG(5,("_samr_OpenDomain: %d\n", __LINE__));
650
651 return NT_STATUS_OK;
652 }
653
654 /*******************************************************************
655 _samr_GetUserPwInfo
656 ********************************************************************/
657
658 NTSTATUS _samr_GetUserPwInfo(pipes_struct *p,
659 struct samr_GetUserPwInfo *r)
660 {
661 struct samr_info *info = NULL;
662 enum lsa_SidType sid_type;
663 uint32_t min_password_length = 0;
664 uint32_t password_properties = 0;
665 bool ret = false;
666 NTSTATUS status;
667
668 DEBUG(5,("_samr_GetUserPwInfo: %d\n", __LINE__));
669
670 /* find the policy handle. open a policy on it. */
671 if (!find_policy_by_hnd(p, r->in.user_handle, (void **)(void *)&info)) {
672 return NT_STATUS_INVALID_HANDLE;
673 }
674
675 status = access_check_samr_function(info->acc_granted,
676 SAMR_USER_ACCESS_GET_ATTRIBUTES,
677 "_samr_GetUserPwInfo" );
678 if (!NT_STATUS_IS_OK(status)) {
679 return status;
680 }
681
682 if (!sid_check_is_in_our_domain(&info->sid)) {
683 return NT_STATUS_OBJECT_TYPE_MISMATCH;
684 }
685
686 become_root();
687 ret = lookup_sid(p->mem_ctx, &info->sid, NULL, NULL, &sid_type);
688 unbecome_root();
689 if (ret == false) {
690 return NT_STATUS_NO_SUCH_USER;
691 }
692
693 switch (sid_type) {
694 case SID_NAME_USER:
695 become_root();
696 pdb_get_account_policy(AP_MIN_PASSWORD_LEN,
697 &min_password_length);
698 pdb_get_account_policy(AP_USER_MUST_LOGON_TO_CHG_PASS,
699 &password_properties);
700 unbecome_root();
701
702 if (lp_check_password_script() && *lp_check_password_script()) {
703 password_properties |= DOMAIN_PASSWORD_COMPLEX;
704 }
705
706 break;
707 default:
708 break;
709 }
710
711 r->out.info->min_password_length = min_password_length;
712 r->out.info->password_properties = password_properties;
713
714 DEBUG(5,("_samr_GetUserPwInfo: %d\n", __LINE__));
715
716 return NT_STATUS_OK;
717 }
718
719 /*******************************************************************
720 ********************************************************************/
721
722 static bool get_lsa_policy_samr_sid( pipes_struct *p, struct policy_handle *pol,
723 DOM_SID *sid, uint32 *acc_granted,
724 DISP_INFO **ppdisp_info)
725 {
726 struct samr_info *info = NULL;
727
728 /* find the policy handle. open a policy on it. */
729 if (!find_policy_by_hnd(p, pol, (void **)(void *)&info))
730 return False;
731
732 if (!info)
733 return False;
734
735 *sid = info->sid;
736 *acc_granted = info->acc_granted;
737 if (ppdisp_info) {
738 *ppdisp_info = info->disp_info;
739 }
740
741 return True;
742 }
743
744 /*******************************************************************
745 _samr_SetSecurity
746 ********************************************************************/
747
748 NTSTATUS _samr_SetSecurity(pipes_struct *p,
749 struct samr_SetSecurity *r)
750 {
751 DOM_SID pol_sid;
752 uint32 acc_granted, i;
753 SEC_ACL *dacl;
754 bool ret;
755 struct samu *sampass=NULL;
756 NTSTATUS status;
757
758 if (!get_lsa_policy_samr_sid(p, r->in.handle, &pol_sid, &acc_granted, NULL))
759 return NT_STATUS_INVALID_HANDLE;
760
761 if (!(sampass = samu_new( p->mem_ctx))) {
762 DEBUG(0,("No memory!\n"));
763 return NT_STATUS_NO_MEMORY;
764 }
765
766 /* get the user record */
767 become_root();
768 ret = pdb_getsampwsid(sampass, &pol_sid);
769 unbecome_root();
770
771 if (!ret) {
772 DEBUG(4, ("User %s not found\n", sid_string_dbg(&pol_sid)));
773 TALLOC_FREE(sampass);
774 return NT_STATUS_INVALID_HANDLE;
775 }
776
777 dacl = r->in.sdbuf->sd->dacl;
778 for (i=0; i < dacl->num_aces; i++) {
779 if (sid_equal(&pol_sid, &dacl->aces[i].trustee)) {
780 ret = pdb_set_pass_can_change(sampass,
781 (dacl->aces[i].access_mask &
782 SAMR_USER_ACCESS_CHANGE_PASSWORD) ?
783 True: False);
784 break;
785 }
786 }
787
788 if (!ret) {
789 TALLOC_FREE(sampass);
790 return NT_STATUS_ACCESS_DENIED;
791 }
792
793 status = access_check_samr_function(acc_granted,
794 SAMR_USER_ACCESS_SET_ATTRIBUTES,
795 "_samr_SetSecurity");
796 if (NT_STATUS_IS_OK(status)) {
797 become_root();
798 status = pdb_update_sam_account(sampass);
799 unbecome_root();
800 }
801
802 TALLOC_FREE(sampass);
803
804 return status;
805 }
806
807 /*******************************************************************
808 build correct perms based on policies and password times for _samr_query_sec_obj
809 *******************************************************************/
810 static bool check_change_pw_access(TALLOC_CTX *mem_ctx, DOM_SID *user_sid)
811 {
812 struct samu *sampass=NULL;
813 bool ret;
814
815 if ( !(sampass = samu_new( mem_ctx )) ) {
816 DEBUG(0,("No memory!\n"));
817 return False;
818 }
819
820 become_root();
821 ret = pdb_getsampwsid(sampass, user_sid);
822 unbecome_root();
823
824 if (ret == False) {
825 DEBUG(4,("User %s not found\n", sid_string_dbg(user_sid)));
826 TALLOC_FREE(sampass);
827 return False;
828 }
829
830 DEBUG(3,("User:[%s]\n", pdb_get_username(sampass) ));
831
832 if (pdb_get_pass_can_change(sampass)) {
833 TALLOC_FREE(sampass);
834 return True;
835 }
836 TALLOC_FREE(sampass);
837 return False;
838 }
839
840
841 /*******************************************************************
842 _samr_QuerySecurity
843 ********************************************************************/
844
845 NTSTATUS _samr_QuerySecurity(pipes_struct *p,
846 struct samr_QuerySecurity *r)
847 {
848 NTSTATUS status;
849 DOM_SID pol_sid;
850 SEC_DESC * psd = NULL;
851 uint32 acc_granted;
852 size_t sd_size;
853
854 /* Get the SID. */
855 if (!get_lsa_policy_samr_sid(p, r->in.handle, &pol_sid, &acc_granted, NULL))
856 return NT_STATUS_INVALID_HANDLE;
857
858 DEBUG(10,("_samr_QuerySecurity: querying security on SID: %s\n",
859 sid_string_dbg(&pol_sid)));
860
861 status = access_check_samr_function(acc_granted,
862 STD_RIGHT_READ_CONTROL_ACCESS,
863 "_samr_QuerySecurity");
864 if (!NT_STATUS_IS_OK(status)) {
865 return status;
866 }
867
868 /* Check what typ of SID is beeing queried (e.g Domain SID, User SID, Group SID) */
869
870 /* To query the security of the SAM it self an invalid SID with S-0-0 is passed to this function */
871 if (pol_sid.sid_rev_num == 0) {
872 DEBUG(5,("_samr_QuerySecurity: querying security on SAM\n"));
873 status = make_samr_object_sd(p->mem_ctx, &psd, &sd_size, &sam_generic_mapping, NULL, 0);
874 } else if (sid_equal(&pol_sid,get_global_sam_sid())) {
875 /* check if it is our domain SID */
876 DEBUG(5,("_samr_QuerySecurity: querying security on Domain "
877 "with SID: %s\n", sid_string_dbg(&pol_sid)));
878 status = make_samr_object_sd(p->mem_ctx, &psd, &sd_size, &dom_generic_mapping, NULL, 0);
879 } else if (sid_equal(&pol_sid,&global_sid_Builtin)) {
880 /* check if it is the Builtin Domain */
881 /* TODO: Builtin probably needs a different SD with restricted write access*/
882 DEBUG(5,("_samr_QuerySecurity: querying security on Builtin "
883 "Domain with SID: %s\n", sid_string_dbg(&pol_sid)));
884 status = make_samr_object_sd(p->mem_ctx, &psd, &sd_size, &dom_generic_mapping, NULL, 0);
885 } else if (sid_check_is_in_our_domain(&pol_sid) ||
886 sid_check_is_in_builtin(&pol_sid)) {
887 /* TODO: different SDs have to be generated for aliases groups and users.
888 Currently all three get a default user SD */
889 DEBUG(10,("_samr_QuerySecurity: querying security on Object "
890 "with SID: %s\n", sid_string_dbg(&pol_sid)));
891 if (check_change_pw_access(p->mem_ctx, &pol_sid)) {
892 status = make_samr_object_sd(p->mem_ctx, &psd, &sd_size, &usr_generic_mapping,
893 &pol_sid, SAMR_USR_RIGHTS_WRITE_PW);
894 } else {
895 status = make_samr_object_sd(p->mem_ctx, &psd, &sd_size, &usr_nopwchange_generic_mapping,
896 &pol_sid, SAMR_USR_RIGHTS_CANT_WRITE_PW);
897 }
898 } else {
899 return NT_STATUS_OBJECT_TYPE_MISMATCH;
900 }
901
902 if ((*r->out.sdbuf = make_sec_desc_buf(p->mem_ctx, sd_size, psd)) == NULL)
903 return NT_STATUS_NO_MEMORY;
904
905 return status;
906 }
907
908 /*******************************************************************
909 makes a SAM_ENTRY / UNISTR2* structure from a user list.
910 ********************************************************************/
911
912 static NTSTATUS make_user_sam_entry_list(TALLOC_CTX *ctx,
913 struct samr_SamEntry **sam_pp,
914 uint32_t num_entries,
915 uint32_t start_idx,
916 struct samr_displayentry *entries)
917 {
918 uint32_t i;
919 struct samr_SamEntry *sam;
920
921 *sam_pp = NULL;
922
923 if (num_entries == 0) {
924 return NT_STATUS_OK;
925 }
926
927 sam = TALLOC_ZERO_ARRAY(ctx, struct samr_SamEntry, num_entries);
928 if (sam == NULL) {
929 DEBUG(0, ("make_user_sam_entry_list: TALLOC_ZERO failed!\n"));
930 return NT_STATUS_NO_MEMORY;
931 }
932
933 for (i = 0; i < num_entries; i++) {
934 #if 0
935 /*
936 * usrmgr expects a non-NULL terminated string with
937 * trust relationships
938 */
939 if (entries[i].acct_flags & ACB_DOMTRUST) {
940 init_unistr2(&uni_temp_name, entries[i].account_name,
941 UNI_FLAGS_NONE);
942 } else {
943 init_unistr2(&uni_temp_name, entries[i].account_name,
944 UNI_STR_TERMINATE);
945 }
946 #endif
947 init_lsa_String(&sam[i].name, entries[i].account_name);
948 sam[i].idx = entries[i].rid;
949 }
950
951 *sam_pp = sam;
952
953 return NT_STATUS_OK;
954 }
955
956 #define MAX_SAM_ENTRIES MAX_SAM_ENTRIES_W2K
957
958 /*******************************************************************
959 _samr_EnumDomainUsers
960 ********************************************************************/
961
962 NTSTATUS _samr_EnumDomainUsers(pipes_struct *p,
963 struct samr_EnumDomainUsers *r)
964 {
965 NTSTATUS status;
966 struct samr_info *info = NULL;
967 int num_account;
968 uint32 enum_context = *r->in.resume_handle;
969 enum remote_arch_types ra_type = get_remote_arch();
970 int max_sam_entries = (ra_type == RA_WIN95) ? MAX_SAM_ENTRIES_W95 : MAX_SAM_ENTRIES_W2K;
971 uint32 max_entries = max_sam_entries;
972 struct samr_displayentry *entries = NULL;
973 struct samr_SamArray *samr_array = NULL;
974 struct samr_SamEntry *samr_entries = NULL;
975
976 /* find the policy handle. open a policy on it. */
977 if (!find_policy_by_hnd(p, r->in.domain_handle, (void **)(void *)&info))
978 return NT_STATUS_INVALID_HANDLE;
979
980 status = access_check_samr_function(info->acc_granted,
981 SAMR_DOMAIN_ACCESS_ENUM_ACCOUNTS,
982 "_samr_EnumDomainUsers");
983 if (!NT_STATUS_IS_OK(status)) {
984 return status;
985 }
986
987 DEBUG(5,("_samr_EnumDomainUsers: %d\n", __LINE__));
988
989 if (info->builtin_domain) {
990 /* No users in builtin. */
991 *r->out.resume_handle = *r->in.resume_handle;
992 DEBUG(5,("_samr_EnumDomainUsers: No users in BUILTIN\n"));
993 return status;
994 }
995
996 samr_array = TALLOC_ZERO_P(p->mem_ctx, struct samr_SamArray);
997 if (!samr_array) {
998 return NT_STATUS_NO_MEMORY;
999 }
1000 *r->out.sam = samr_array;
1001
1002 become_root();
1003
1004 /* AS ROOT !!!! */
1005
1006 if ((info->disp_info->enum_users != NULL) &&
1007 (info->disp_info->enum_acb_mask != r->in.acct_flags)) {
1008 TALLOC_FREE(info->disp_info->enum_users);
1009 }
1010
1011 if (info->disp_info->enum_users == NULL) {
1012 info->disp_info->enum_users = pdb_search_users(
1013 info->disp_info, r->in.acct_flags);
1014 info->disp_info->enum_acb_mask = r->in.acct_flags;
1015 }
1016
1017 if (info->disp_info->enum_users == NULL) {
1018 /* END AS ROOT !!!! */
1019 unbecome_root();
1020 return NT_STATUS_ACCESS_DENIED;
1021 }
1022
1023 num_account = pdb_search_entries(info->disp_info->enum_users,
1024 enum_context, max_entries,
1025 &entries);
1026
1027 /* END AS ROOT !!!! */
1028
1029 unbecome_root();
1030
1031 if (num_account == 0) {
1032 DEBUG(5, ("_samr_EnumDomainUsers: enumeration handle over "
1033 "total entries\n"));
1034 *r->out.resume_handle = *r->in.resume_handle;
1035 return NT_STATUS_OK;
1036 }
1037
1038 status = make_user_sam_entry_list(p->mem_ctx, &samr_entries,
1039 num_account, enum_context,
1040 entries);
1041 if (!NT_STATUS_IS_OK(status)) {
1042 return status;
1043 }
1044
1045 if (max_entries <= num_account) {
1046 status = STATUS_MORE_ENTRIES;
1047 } else {
1048 status = NT_STATUS_OK;
1049 }
1050
1051 /* Ensure we cache this enumeration. */
1052 set_disp_info_cache_timeout(info->disp_info, DISP_INFO_CACHE_TIMEOUT);
1053
1054 DEBUG(5, ("_samr_EnumDomainUsers: %d\n", __LINE__));
1055
1056 samr_array->count = num_account;
1057 samr_array->entries = samr_entries;
1058
1059 *r->out.resume_handle = *r->in.resume_handle + num_account;
1060 *r->out.num_entries = num_account;
1061
1062 DEBUG(5,("_samr_EnumDomainUsers: %d\n", __LINE__));
1063
1064 return status;
1065 }
1066
1067 /*******************************************************************
1068 makes a SAM_ENTRY / UNISTR2* structure from a group list.
1069 ********************************************************************/
1070
1071 static void make_group_sam_entry_list(TALLOC_CTX *ctx,
1072 struct samr_SamEntry **sam_pp,
1073 uint32_t num_sam_entries,
1074 struct samr_displayentry *entries)
1075 {
1076 struct samr_SamEntry *sam;
1077 uint32_t i;
1078
1079 *sam_pp = NULL;
1080
1081 if (num_sam_entries == 0) {
1082 return;
1083 }
1084
1085 sam = TALLOC_ZERO_ARRAY(ctx, struct samr_SamEntry, num_sam_entries);
1086 if (sam == NULL) {
1087 return;
1088 }
1089
1090 for (i = 0; i < num_sam_entries; i++) {
1091 /*
1092 * JRA. I think this should include the null. TNG does not.
1093 */
1094 init_lsa_String(&sam[i].name, entries[i].account_name);
1095 sam[i].idx = entries[i].rid;
1096 }
1097
1098 *sam_pp = sam;
1099 }
1100
1101 /*******************************************************************
1102 _samr_EnumDomainGroups
1103 ********************************************************************/
1104
1105 NTSTATUS _samr_EnumDomainGroups(pipes_struct *p,
1106 struct samr_EnumDomainGroups *r)
1107 {
1108 NTSTATUS status;
1109 struct samr_info *info = NULL;
1110 struct samr_displayentry *groups;
1111 uint32 num_groups;
1112 struct samr_SamArray *samr_array = NULL;
1113 struct samr_SamEntry *samr_entries = NULL;
1114
1115 /* find the policy handle. open a policy on it. */
1116 if (!find_policy_by_hnd(p, r->in.domain_handle, (void **)(void *)&info))
1117 return NT_STATUS_INVALID_HANDLE;
1118
1119 status = access_check_samr_function(info->acc_granted,
1120 SAMR_DOMAIN_ACCESS_ENUM_ACCOUNTS,
1121 "_samr_EnumDomainGroups");
1122 if (!NT_STATUS_IS_OK(status)) {
1123 return status;
1124 }
1125
1126 DEBUG(5,("_samr_EnumDomainGroups: %d\n", __LINE__));
1127
1128 if (info->builtin_domain) {
1129 /* No groups in builtin. */
1130 *r->out.resume_handle = *r->in.resume_handle;
1131 DEBUG(5,("_samr_EnumDomainGroups: No groups in BUILTIN\n"));
1132 return status;
1133 }
1134
1135 samr_array = TALLOC_ZERO_P(p->mem_ctx, struct samr_SamArray);
1136 if (!samr_array) {
1137 return NT_STATUS_NO_MEMORY;
1138 }
1139
1140 /* the domain group array is being allocated in the function below */
1141
1142 become_root();
1143
1144 if (info->disp_info->groups == NULL) {
1145 info->disp_info->groups = pdb_search_groups(info->disp_info);
1146
1147 if (info->disp_info->groups == NULL) {
1148 unbecome_root();
1149 return NT_STATUS_ACCESS_DENIED;
1150 }
1151 }
1152
1153 num_groups = pdb_search_entries(info->disp_info->groups,
1154 *r->in.resume_handle,
1155 MAX_SAM_ENTRIES, &groups);
1156 unbecome_root();
1157
1158 /* Ensure we cache this enumeration. */
1159 set_disp_info_cache_timeout(info->disp_info, DISP_INFO_CACHE_TIMEOUT);
1160
1161 make_group_sam_entry_list(p->mem_ctx, &samr_entries,
1162 num_groups, groups);
1163
1164 samr_array->count = num_groups;
1165 samr_array->entries = samr_entries;
1166
1167 *r->out.sam = samr_array;
1168 *r->out.num_entries = num_groups;
1169 *r->out.resume_handle = num_groups + *r->in.resume_handle;
1170
1171 DEBUG(5,("_samr_EnumDomainGroups: %d\n", __LINE__));
1172
1173 return status;
1174 }
1175
1176 /*******************************************************************
1177 _samr_EnumDomainAliases
1178 ********************************************************************/
1179
1180 NTSTATUS _samr_EnumDomainAliases(pipes_struct *p,
1181 struct samr_EnumDomainAliases *r)
1182 {
1183 NTSTATUS status;
1184 struct samr_info *info;
1185 struct samr_displayentry *aliases;
1186 uint32 num_aliases = 0;
1187 struct samr_SamArray *samr_array = NULL;
1188 struct samr_SamEntry *samr_entries = NULL;
1189
1190 /* find the policy handle. open a policy on it. */
1191 if (!find_policy_by_hnd(p, r->in.domain_handle, (void **)(void *)&info))
1192 return NT_STATUS_INVALID_HANDLE;
1193
1194 DEBUG(5,("_samr_EnumDomainAliases: sid %s\n",
1195 sid_string_dbg(&info->sid)));
1196
1197 status = access_check_samr_function(info->acc_granted,
1198 SAMR_DOMAIN_ACCESS_ENUM_ACCOUNTS,
1199 "_samr_EnumDomainAliases");
1200 if (!NT_STATUS_IS_OK(status)) {
1201 return status;
1202 }
1203
1204 samr_array = TALLOC_ZERO_P(p->mem_ctx, struct samr_SamArray);
1205 if (!samr_array) {
1206 return NT_STATUS_NO_MEMORY;
1207 }
1208
1209 become_root();
1210
1211 if (info->disp_info->aliases == NULL) {
1212 info->disp_info->aliases = pdb_search_aliases(
1213 info->disp_info, &info->sid);
1214 if (info->disp_info->aliases == NULL) {
1215 unbecome_root();
1216 return NT_STATUS_ACCESS_DENIED;
1217 }
1218 }
1219
1220 num_aliases = pdb_search_entries(info->disp_info->aliases,
1221 *r->in.resume_handle,
1222 MAX_SAM_ENTRIES, &aliases);
1223 unbecome_root();
1224
1225 /* Ensure we cache this enumeration. */
1226 set_disp_info_cache_timeout(info->disp_info, DISP_INFO_CACHE_TIMEOUT);
1227
1228 make_group_sam_entry_list(p->mem_ctx, &samr_entries,
1229 num_aliases, aliases);
1230
1231 DEBUG(5,("_samr_EnumDomainAliases: %d\n", __LINE__));
1232
1233 samr_array->count = num_aliases;
1234 samr_array->entries = samr_entries;
1235
1236 *r->out.sam = samr_array;
1237 *r->out.num_entries = num_aliases;
1238 *r->out.resume_handle = num_aliases + *r->in.resume_handle;
1239
1240 return status;
1241 }
1242
1243 /*******************************************************************
1244 inits a samr_DispInfoGeneral structure.
1245 ********************************************************************/
1246
1247 static NTSTATUS init_samr_dispinfo_1(TALLOC_CTX *ctx,
1248 struct samr_DispInfoGeneral *r,
1249 uint32_t num_entries,
1250 uint32_t start_idx,
1251 struct samr_displayentry *entries)
1252 {
1253 uint32 i;
1254
1255 DEBUG(10, ("init_samr_dispinfo_1: num_entries: %d\n", num_entries));
1256
1257 if (num_entries == 0) {
1258 return NT_STATUS_OK;
1259 }
1260
1261 r->count = num_entries;
1262
1263 r->entries = TALLOC_ZERO_ARRAY(ctx, struct samr_DispEntryGeneral, num_entries);
1264 if (!r->entries) {
1265 return NT_STATUS_NO_MEMORY;
1266 }
1267
1268 for (i = 0; i < num_entries ; i++) {
1269
1270 init_lsa_String(&r->entries[i].account_name,
1271 entries[i].account_name);
1272
1273 init_lsa_String(&r->entries[i].description,
1274 entries[i].description);
1275
1276 init_lsa_String(&r->entries[i].full_name,
1277 entries[i].fullname);
1278
1279 r->entries[i].rid = entries[i].rid;
1280 r->entries[i].acct_flags = entries[i].acct_flags;
1281 r->entries[i].idx = start_idx+i+1;
1282 }
1283
1284 return NT_STATUS_OK;
1285 }
1286
1287 /*******************************************************************
1288 inits a samr_DispInfoFull structure.
1289 ********************************************************************/
1290
1291 static NTSTATUS init_samr_dispinfo_2(TALLOC_CTX *ctx,
1292 struct samr_DispInfoFull *r,
1293 uint32_t num_entries,
1294 uint32_t start_idx,
1295 struct samr_displayentry *entries)
1296 {
1297 uint32_t i;
1298
1299 DEBUG(10, ("init_samr_dispinfo_2: num_entries: %d\n", num_entries));
1300
1301 if (num_entries == 0) {
1302 return NT_STATUS_OK;
1303 }
1304
1305 r->count = num_entries;
1306
1307 r->entries = TALLOC_ZERO_ARRAY(ctx, struct samr_DispEntryFull, num_entries);
1308 if (!r->entries) {
1309 return NT_STATUS_NO_MEMORY;
1310 }
1311
1312 for (i = 0; i < num_entries ; i++) {
1313
1314 init_lsa_String(&r->entries[i].account_name,
1315 entries[i].account_name);
1316
1317 init_lsa_String(&r->entries[i].description,
1318 entries[i].description);
1319
1320 r->entries[i].rid = entries[i].rid;
1321 r->entries[i].acct_flags = entries[i].acct_flags;
1322 r->entries[i].idx = start_idx+i+1;
1323 }
1324
1325 return NT_STATUS_OK;
1326 }
1327
1328 /*******************************************************************
1329 inits a samr_DispInfoFullGroups structure.
1330 ********************************************************************/
1331
1332 static NTSTATUS init_samr_dispinfo_3(TALLOC_CTX *ctx,
1333 struct samr_DispInfoFullGroups *r,
1334 uint32_t num_entries,
1335 uint32_t start_idx,
1336 struct samr_displayentry *entries)
1337 {
1338 uint32_t i;
1339
1340 DEBUG(5, ("init_samr_dispinfo_3: num_entries: %d\n", num_entries));
1341
1342 if (num_entries == 0) {
1343 return NT_STATUS_OK;
1344 }
1345
1346 r->count = num_entries;
1347
1348 r->entries = TALLOC_ZERO_ARRAY(ctx, struct samr_DispEntryFullGroup, num_entries);
1349 if (!r->entries) {
1350 return NT_STATUS_NO_MEMORY;
1351 }
1352
1353 for (i = 0; i < num_entries ; i++) {
1354
1355 init_lsa_String(&r->entries[i].account_name,
1356 entries[i].account_name);
1357
1358 init_lsa_String(&r->entries[i].description,
1359 entries[i].description);
1360
1361 r->entries[i].rid = entries[i].rid;
1362 r->entries[i].acct_flags = entries[i].acct_flags;
1363 r->entries[i].idx = start_idx+i+1;
1364 }
1365
1366 return NT_STATUS_OK;
1367 }
1368
1369 /*******************************************************************
1370 inits a samr_DispInfoAscii structure.
1371 ********************************************************************/
1372
1373 static NTSTATUS init_samr_dispinfo_4(TALLOC_CTX *ctx,
1374 struct samr_DispInfoAscii *r,
1375 uint32_t num_entries,
1376 uint32_t start_idx,
1377 struct samr_displayentry *entries)
1378 {
1379 uint32_t i;
1380
1381 DEBUG(5, ("init_samr_dispinfo_4: num_entries: %d\n", num_entries));
1382
1383 if (num_entries == 0) {
1384 return NT_STATUS_OK;
1385 }
1386
1387 r->count = num_entries;
1388
1389 r->entries = TALLOC_ZERO_ARRAY(ctx, struct samr_DispEntryAscii, num_entries);
1390 if (!r->entries) {
1391 return NT_STATUS_NO_MEMORY;
1392 }
1393
1394 for (i = 0; i < num_entries ; i++) {
1395
1396 init_lsa_AsciiStringLarge(&r->entries[i].account_name,
1397 entries[i].account_name);
1398
1399 r->entries[i].idx = start_idx+i+1;
1400 }
1401
1402 return NT_STATUS_OK;
1403 }
1404
1405 /*******************************************************************
1406 inits a samr_DispInfoAscii structure.
1407 ********************************************************************/
1408
1409 static NTSTATUS init_samr_dispinfo_5(TALLOC_CTX *ctx,
1410 struct samr_DispInfoAscii *r,
1411 uint32_t num_entries,
1412 uint32_t start_idx,
1413 struct samr_displayentry *entries)
1414 {
1415 uint32_t i;
1416
1417 DEBUG(5, ("init_samr_dispinfo_5: num_entries: %d\n", num_entries));
1418
1419 if (num_entries == 0) {
1420 return NT_STATUS_OK;
1421 }
1422
1423 r->count = num_entries;
1424
1425 r->entries = TALLOC_ZERO_ARRAY(ctx, struct samr_DispEntryAscii, num_entries);
1426 if (!r->entries) {
1427 return NT_STATUS_NO_MEMORY;
1428 }
1429
1430 for (i = 0; i < num_entries ; i++) {
1431
1432 init_lsa_AsciiStringLarge(&r->entries[i].account_name,
1433 entries[i].account_name);
1434
1435 r->entries[i].idx = start_idx+i+1;
1436 }
1437
1438 return NT_STATUS_OK;
1439 }
1440
1441 /*******************************************************************
1442 _samr_QueryDisplayInfo
1443 ********************************************************************/
1444
1445 NTSTATUS _samr_QueryDisplayInfo(pipes_struct *p,
1446 struct samr_QueryDisplayInfo *r)
1447 {
1448 NTSTATUS status;
1449 struct samr_info *info = NULL;
1450 uint32 struct_size=0x20; /* W2K always reply that, client doesn't care */
1451
1452 uint32 max_entries = r->in.max_entries;
1453 uint32 enum_context = r->in.start_idx;
1454 uint32 max_size = r->in.buf_size;
1455
1456 union samr_DispInfo *disp_info = r->out.info;
1457
1458 uint32 temp_size=0, total_data_size=0;
1459 NTSTATUS disp_ret = NT_STATUS_UNSUCCESSFUL;
1460 uint32 num_account = 0;
1461 enum remote_arch_types ra_type = get_remote_arch();
1462 int max_sam_entries = (ra_type == RA_WIN95) ? MAX_SAM_ENTRIES_W95 : MAX_SAM_ENTRIES_W2K;
1463 struct samr_displayentry *entries = NULL;
1464
1465 DEBUG(5,("_samr_QueryDisplayInfo: %d\n", __LINE__));
1466
1467 /* find the policy handle. open a policy on it. */
1468 if (!find_policy_by_hnd(p, r->in.domain_handle, (void **)(void *)&info))
1469 return NT_STATUS_INVALID_HANDLE;
1470
1471 if (info->builtin_domain) {
1472 DEBUG(5,("_samr_QueryDisplayInfo: Nothing in BUILTIN\n"));
1473 return NT_STATUS_OK;
1474 }
1475
1476 status = access_check_samr_function(info->acc_granted,
1477 SAMR_DOMAIN_ACCESS_ENUM_ACCOUNTS,
1478 "_samr_QueryDisplayInfo");
1479 if (!NT_STATUS_IS_OK(status)) {
1480 return status;
1481 }
1482
1483 /*
1484 * calculate how many entries we will return.
1485 * based on
1486 * - the number of entries the client asked
1487 * - our limit on that
1488 * - the starting point (enumeration context)
1489 * - the buffer size the client will accept
1490 */
1491
1492 /*
1493 * We are a lot more like W2K. Instead of reading the SAM
1494 * each time to find the records we need to send back,
1495 * we read it once and link that copy to the sam handle.
1496 * For large user list (over the MAX_SAM_ENTRIES)
1497 * it's a definitive win.
1498 * second point to notice: between enumerations
1499 * our sam is now the same as it's a snapshoot.
1500 * third point: got rid of the static SAM_USER_21 struct
1501 * no more intermediate.
1502 * con: it uses much more memory, as a full copy is stored
1503 * in memory.
1504 *
1505 * If you want to change it, think twice and think
1506 * of the second point , that's really important.
1507 *
1508 * JFM, 12/20/2001
1509 */
1510
1511 if ((r->in.level < 1) || (r->in.level > 5)) {
1512 DEBUG(0,("_samr_QueryDisplayInfo: Unknown info level (%u)\n",
1513 (unsigned int)r->in.level ));
1514 return NT_STATUS_INVALID_INFO_CLASS;
1515 }
1516
1517 /* first limit the number of entries we will return */
1518 if(max_entries > max_sam_entries) {
1519 DEBUG(5, ("_samr_QueryDisplayInfo: client requested %d "
1520 "entries, limiting to %d\n", max_entries,
1521 max_sam_entries));
1522 max_entries = max_sam_entries;
1523 }
1524
1525 /* calculate the size and limit on the number of entries we will
1526 * return */
1527
1528 temp_size=max_entries*struct_size;
1529
1530 if (temp_size>max_size) {
1531 max_entries=MIN((max_size/struct_size),max_entries);;
1532 DEBUG(5, ("_samr_QueryDisplayInfo: buffer size limits to "
1533 "only %d entries\n", max_entries));
1534 }
1535
1536 become_root();
1537
1538 /* THe following done as ROOT. Don't return without unbecome_root(). */
1539
1540 switch (r->in.level) {
1541 case 0x1:
1542 case 0x4:
1543 if (info->disp_info->users == NULL) {
1544 info->disp_info->users = pdb_search_users(
1545 info->disp_info, ACB_NORMAL);
1546 if (info->disp_info->users == NULL) {
1547 unbecome_root();
1548 return NT_STATUS_ACCESS_DENIED;
1549 }
1550 DEBUG(10,("_samr_QueryDisplayInfo: starting user enumeration at index %u\n",
1551 (unsigned int)enum_context ));
1552 } else {
1553 DEBUG(10,("_samr_QueryDisplayInfo: using cached user enumeration at index %u\n",
1554 (unsigned int)enum_context ));
1555 }
1556
1557 num_account = pdb_search_entries(info->disp_info->users,
1558 enum_context, max_entries,
1559 &entries);
1560 break;
1561 case 0x2:
1562 if (info->disp_info->machines == NULL) {
1563 info->disp_info->machines = pdb_search_users(
1564 info->disp_info, ACB_WSTRUST|ACB_SVRTRUST);
1565 if (info->disp_info->machines == NULL) {
1566 unbecome_root();
1567 return NT_STATUS_ACCESS_DENIED;
1568 }
1569 DEBUG(10,("_samr_QueryDisplayInfo: starting machine enumeration at index %u\n",
1570 (unsigned int)enum_context ));
1571 } else {
1572 DEBUG(10,("_samr_QueryDisplayInfo: using cached machine enumeration at index %u\n",
1573 (unsigned int)enum_context ));
1574 }
1575
1576 num_account = pdb_search_entries(info->disp_info->machines,
1577 enum_context, max_entries,
1578 &entries);
1579 break;
1580 case 0x3:
1581 case 0x5:
1582 if (info->disp_info->groups == NULL) {
1583 info->disp_info->groups = pdb_search_groups(
1584 info->disp_info);
1585 if (info->disp_info->groups == NULL) {
1586 unbecome_root();
1587 return NT_STATUS_ACCESS_DENIED;
1588 }
1589 DEBUG(10,("_samr_QueryDisplayInfo: starting group enumeration at index %u\n",
1590 (unsigned int)enum_context ));
1591 } else {
1592 DEBUG(10,("_samr_QueryDisplayInfo: using cached group enumeration at index %u\n",
1593 (unsigned int)enum_context ));
1594 }
1595
1596 num_account = pdb_search_entries(info->disp_info->groups,
1597 enum_context, max_entries,
1598 &entries);
1599 break;
1600 default:
1601 unbecome_root();
1602 smb_panic("info class changed");
1603 break;
1604 }
1605 unbecome_root();
1606
1607
1608 /* Now create reply structure */
1609 switch (r->in.level) {
1610 case 0x1:
1611 disp_ret = init_samr_dispinfo_1(p->mem_ctx, &disp_info->info1,
1612 num_account, enum_context,
1613 entries);
1614 break;
1615 case 0x2:
1616 disp_ret = init_samr_dispinfo_2(p->mem_ctx, &disp_info->info2,
1617 num_account, enum_context,
1618 entries);
1619 break;
1620 case 0x3:
1621 disp_ret = init_samr_dispinfo_3(p->mem_ctx, &disp_info->info3,
1622 num_account, enum_context,
1623 entries);
1624 break;
1625 case 0x4:
1626 disp_ret = init_samr_dispinfo_4(p->mem_ctx, &disp_info->info4,
1627 num_account, enum_context,
1628 entries);
1629 break;
1630 case 0x5:
1631 disp_ret = init_samr_dispinfo_5(p->mem_ctx, &disp_info->info5,
1632 num_account, enum_context,
1633 entries);
1634 break;
1635 default:
1636 smb_panic("info class changed");
1637 break;
1638 }
1639
1640 if (!NT_STATUS_IS_OK(disp_ret))
1641 return disp_ret;
1642
1643 /* calculate the total size */
1644 total_data_size=num_account*struct_size;
1645
1646 if (max_entries <= num_account) {
1647 status = STATUS_MORE_ENTRIES;
1648 } else {
1649 status = NT_STATUS_OK;
1650 }
1651
1652 /* Ensure we cache this enumeration. */
1653 set_disp_info_cache_timeout(info->disp_info, DISP_INFO_CACHE_TIMEOUT);
1654
1655 DEBUG(5, ("_samr_QueryDisplayInfo: %d\n", __LINE__));
1656
1657 *r->out.total_size = total_data_size;
1658 *r->out.returned_size = temp_size;
1659
1660 return status;
1661 }
1662
1663 /****************************************************************
1664 _samr_QueryDisplayInfo2
1665 ****************************************************************/
1666
1667 NTSTATUS _samr_QueryDisplayInfo2(pipes_struct *p,
1668 struct samr_QueryDisplayInfo2 *r)
1669 {
1670 struct samr_QueryDisplayInfo q;
1671
1672 q.in.domain_handle = r->in.domain_handle;
1673 q.in.level = r->in.level;
1674 q.in.start_idx = r->in.start_idx;
1675 q.in.max_entries = r->in.max_entries;
1676 q.in.buf_size = r->in.buf_size;
1677
1678 q.out.total_size = r->out.total_size;
1679 q.out.returned_size = r->out.returned_size;
1680 q.out.info = r->out.info;
1681
1682 return _samr_QueryDisplayInfo(p, &q);
1683 }
1684
1685 /****************************************************************
1686 _samr_QueryDisplayInfo3
1687 ****************************************************************/
1688
1689 NTSTATUS _samr_QueryDisplayInfo3(pipes_struct *p,
1690 struct samr_QueryDisplayInfo3 *r)
1691 {
1692 struct samr_QueryDisplayInfo q;
1693
1694 q.in.domain_handle = r->in.domain_handle;
1695 q.in.level = r->in.level;
1696 q.in.start_idx = r->in.start_idx;
1697 q.in.max_entries = r->in.max_entries;
1698 q.in.buf_size = r->in.buf_size;
1699
1700 q.out.total_size = r->out.total_size;
1701 q.out.returned_size = r->out.returned_size;
1702 q.out.info = r->out.info;
1703
1704 return _samr_QueryDisplayInfo(p, &q);
1705 }
1706
1707 /*******************************************************************
1708 _samr_QueryAliasInfo
1709 ********************************************************************/
1710
1711 NTSTATUS _samr_QueryAliasInfo(pipes_struct *p,
1712 struct samr_QueryAliasInfo *r)
1713 {
1714 DOM_SID sid;
1715 struct acct_info info;
1716 uint32 acc_granted;
1717 NTSTATUS status;
1718 union samr_AliasInfo *alias_info = NULL;
1719 const char *alias_name = NULL;
1720 const char *alias_description = NULL;
1721
1722 DEBUG(5,("_samr_QueryAliasInfo: %d\n", __LINE__));
1723
1724 alias_info = TALLOC_ZERO_P(p->mem_ctx, union samr_AliasInfo);
1725 if (!alias_info) {
1726 return NT_STATUS_NO_MEMORY;
1727 }
1728
1729 /* find the policy handle. open a policy on it. */
1730 if (!get_lsa_policy_samr_sid(p, r->in.alias_handle, &sid, &acc_granted, NULL))
1731 return NT_STATUS_INVALID_HANDLE;
1732
1733 status = access_check_samr_function(acc_granted,
1734 SAMR_ALIAS_ACCESS_LOOKUP_INFO,
1735 "_samr_QueryAliasInfo");
1736 if (!NT_STATUS_IS_OK(status)) {
1737 return status;
1738 }
1739
1740 become_root();
1741 status = pdb_get_aliasinfo(&sid, &info);
1742 unbecome_root();
1743
1744 if ( !NT_STATUS_IS_OK(status))
1745 return status;
1746
1747 /* FIXME: info contains fstrings */
1748 alias_name = talloc_strdup(r, info.acct_name);
1749 alias_description = talloc_strdup(r, info.acct_desc);
1750
1751 switch (r->in.level) {
1752 case ALIASINFOALL:
1753 alias_info->all.name.string = alias_name;
1754 alias_info->all.num_members = 1; /* ??? */
1755 alias_info->all.description.string = alias_description;
1756 break;
1757 case ALIASINFODESCRIPTION:
1758 alias_info->description.string = alias_description;
1759 break;
1760 default:
1761 return NT_STATUS_INVALID_INFO_CLASS;
1762 }
1763
1764 *r->out.info = alias_info;
1765
1766 DEBUG(5,("_samr_QueryAliasInfo: %d\n", __LINE__));
1767
1768 return NT_STATUS_OK;
1769 }
1770
1771 /*******************************************************************
1772 _samr_LookupNames
1773 ********************************************************************/
1774
1775 NTSTATUS _samr_LookupNames(pipes_struct *p,
1776 struct samr_LookupNames *r)
1777 {
1778 NTSTATUS status;
1779 uint32 *rid;
1780 enum lsa_SidType *type;
1781 int i;
1782 int num_rids = r->in.num_names;
1783 DOM_SID pol_sid;
1784 uint32 acc_granted;
1785 struct samr_Ids rids, types;
1786 uint32_t num_mapped = 0;
1787
1788 DEBUG(5,("_samr_LookupNames: %d\n", __LINE__));
1789
1790 if (!get_lsa_policy_samr_sid(p, r->in.domain_handle, &pol_sid, &acc_granted, NULL)) {
1791 return NT_STATUS_OBJECT_TYPE_MISMATCH;
1792 }
1793
1794 status = access_check_samr_function(acc_granted,
1795 0, /* Don't know the acc_bits yet */
1796 "_samr_LookupNames");
1797 if (!NT_STATUS_IS_OK(status)) {
1798 return status;
1799 }
1800
1801 if (num_rids > MAX_SAM_ENTRIES) {
1802 num_rids = MAX_SAM_ENTRIES;
1803 DEBUG(5,("_samr_LookupNames: truncating entries to %d\n", num_rids));
1804 }
1805
1806 rid = talloc_array(p->mem_ctx, uint32, num_rids);
1807 NT_STATUS_HAVE_NO_MEMORY(rid);
1808
1809 type = talloc_array(p->mem_ctx, enum lsa_SidType, num_rids);
1810 NT_STATUS_HAVE_NO_MEMORY(type);
1811
1812 DEBUG(5,("_samr_LookupNames: looking name on SID %s\n",
1813 sid_string_dbg(&pol_sid)));
1814
1815 for (i = 0; i < num_rids; i++) {
1816
1817 status = NT_STATUS_NONE_MAPPED;
1818 type[i] = SID_NAME_UNKNOWN;
1819
1820 rid[i] = 0xffffffff;
1821
1822 if (sid_check_is_builtin(&pol_sid)) {
1823 if (lookup_builtin_name(r->in.names[i].string,
1824 &rid[i]))
1825 {
1826 type[i] = SID_NAME_ALIAS;
1827 }
1828 } else {
1829 lookup_global_sam_name(r->in.names[i].string, 0,
1830 &rid[i], &type[i]);
1831 }
1832
1833 if (type[i] != SID_NAME_UNKNOWN) {
1834 num_mapped++;
1835 }
1836 }
1837
1838 if (num_mapped == num_rids) {
1839 status = NT_STATUS_OK;
1840 } else if (num_mapped == 0) {
1841 status = NT_STATUS_NONE_MAPPED;
1842 } else {
1843 status = STATUS_SOME_UNMAPPED;
1844 }
1845
1846 rids.count = num_rids;
1847 rids.ids = rid;
1848
1849 types.count = num_rids;
1850 types.ids = type;
1851
1852 *r->out.rids = rids;
1853 *r->out.types = types;
1854
1855 DEBUG(5,("_samr_LookupNames: %d\n", __LINE__));
1856
1857 return status;
1858 }
1859
1860 /*******************************************************************
1861 _samr_ChangePasswordUser2
1862 ********************************************************************/
1863
1864 NTSTATUS _samr_ChangePasswordUser2(pipes_struct *p,
1865 struct samr_ChangePasswordUser2 *r)
1866 {
1867 NTSTATUS status;
1868 fstring user_name;
1869 fstring wks;
1870
1871 DEBUG(5,("_samr_ChangePasswordUser2: %d\n", __LINE__));
1872
1873 fstrcpy(user_name, r->in.account->string);
1874 fstrcpy(wks, r->in.server->string);
1875
1876 DEBUG(5,("_samr_ChangePasswordUser2: user: %s wks: %s\n", user_name, wks));
1877
1878 /*
1879 * Pass the user through the NT -> unix user mapping
1880 * function.
1881 */
1882
1883 (void)map_username(user_name);
1884
1885 /*
1886 * UNIX username case mangling not required, pass_oem_change
1887 * is case insensitive.
1888 */
1889
1890 status = pass_oem_change(user_name,
1891 r->in.lm_password->data,
1892 r->in.lm_verifier->hash,
1893 r->in.nt_password->data,
1894 r->in.nt_verifier->hash,
1895 NULL);
1896
1897 DEBUG(5,("_samr_ChangePasswordUser2: %d\n", __LINE__));
1898
1899 return status;
1900 }
1901
1902 /*******************************************************************
1903 _samr_ChangePasswordUser3
1904 ********************************************************************/
1905
1906 NTSTATUS _samr_ChangePasswordUser3(pipes_struct *p,
1907 struct samr_ChangePasswordUser3 *r)
1908 {
1909 NTSTATUS status;
1910 fstring user_name;
1911 const char *wks = NULL;
1912 uint32 reject_reason;
1913 struct samr_DomInfo1 *dominfo = NULL;
1914 struct samr_ChangeReject *reject = NULL;
1915 uint32_t tmp;
1916
1917 DEBUG(5,("_samr_ChangePasswordUser3: %d\n", __LINE__));
1918
1919 fstrcpy(user_name, r->in.account->string);
1920 if (r->in.server && r->in.server->string) {
1921 wks = r->in.server->string;
1922 }
1923
1924 DEBUG(5,("_samr_ChangePasswordUser3: user: %s wks: %s\n", user_name, wks));
1925
1926 /*
1927 * Pass the user through the NT -> unix user mapping
1928 * function.
1929 */
1930
1931 (void)map_username(user_name);
1932
1933 /*
1934 * UNIX username case mangling not required, pass_oem_change
1935 * is case insensitive.
1936 */
1937
1938 status = pass_oem_change(user_name,
1939 r->in.lm_password->data,
1940 r->in.lm_verifier->hash,
1941 r->in.nt_password->data,
1942 r->in.nt_verifier->hash,
1943 &reject_reason);
1944
1945 if (NT_STATUS_EQUAL(status, NT_STATUS_PASSWORD_RESTRICTION) ||
1946 NT_STATUS_EQUAL(status, NT_STATUS_ACCOUNT_RESTRICTION)) {
1947
1948 time_t u_expire, u_min_age;
1949 uint32 account_policy_temp;
1950
1951 dominfo = TALLOC_ZERO_P(p->mem_ctx, struct samr_DomInfo1);
1952 if (!dominfo) {
1953 return NT_STATUS_NO_MEMORY;
1954 }
1955
1956 reject = TALLOC_ZERO_P(p->mem_ctx, struct samr_ChangeReject);
1957 if (!reject) {
1958 return NT_STATUS_NO_MEMORY;
1959 }
1960
1961 become_root();
1962
1963 /* AS ROOT !!! */
1964
1965 pdb_get_account_policy(AP_MIN_PASSWORD_LEN, &tmp);
1966 dominfo->min_password_length = tmp;
1967
1968 pdb_get_account_policy(AP_PASSWORD_HISTORY, &tmp);
1969 dominfo->password_history_length = tmp;
1970
1971 pdb_get_account_policy(AP_USER_MUST_LOGON_TO_CHG_PASS,
1972 &dominfo->password_properties);
1973
1974 pdb_get_account_policy(AP_MAX_PASSWORD_AGE, &account_policy_temp);
1975 u_expire = account_policy_temp;
1976
1977 pdb_get_account_policy(AP_MIN_PASSWORD_AGE, &account_policy_temp);
1978 u_min_age = account_policy_temp;
1979
1980 /* !AS ROOT */
1981
1982 unbecome_root();
1983
1984 unix_to_nt_time_abs((NTTIME *)&dominfo->max_password_age, u_expire);
1985 unix_to_nt_time_abs((NTTIME *)&dominfo->min_password_age, u_min_age);
1986
1987 if (lp_check_password_script() && *lp_check_password_script()) {
1988 dominfo->password_properties |= DOMAIN_PASSWORD_COMPLEX;
1989 }
1990
1991 reject->reason = reject_reason;
1992
1993 *r->out.dominfo = dominfo;
1994 *r->out.reject = reject;
1995 }
1996
1997 DEBUG(5,("_samr_ChangePasswordUser3: %d\n", __LINE__));
1998
1999 return status;
2000 }
2001
2002 /*******************************************************************
2003 makes a SAMR_R_LOOKUP_RIDS structure.
2004 ********************************************************************/
2005
2006 static bool make_samr_lookup_rids(TALLOC_CTX *ctx, uint32 num_names,
2007 const char **names,
2008 struct lsa_String **lsa_name_array_p)
2009 {
2010 struct lsa_String *lsa_name_array = NULL;
2011 uint32_t i;
2012
2013 *lsa_name_array_p = NULL;
2014
2015 if (num_names != 0) {
2016 lsa_name_array = TALLOC_ZERO_ARRAY(ctx, struct lsa_String, num_names);
2017 if (!lsa_name_array) {
2018 return false;
2019 }
2020 }
2021
2022 for (i = 0; i < num_names; i++) {
2023 DEBUG(10, ("names[%d]:%s\n", i, names[i] && *names[i] ? names[i] : ""));
2024 init_lsa_String(&lsa_name_array[i], names[i]);
2025 }
2026
2027 *lsa_name_array_p = lsa_name_array;
2028
2029 return true;
2030 }
2031
2032 /*******************************************************************
2033 _samr_LookupRids
2034 ********************************************************************/
2035
2036 NTSTATUS _samr_LookupRids(pipes_struct *p,
2037 struct samr_LookupRids *r)
2038 {
2039 NTSTATUS status;
2040 const char **names;
2041 enum lsa_SidType *attrs = NULL;
2042 uint32 *wire_attrs = NULL;
2043 DOM_SID pol_sid;
2044 int num_rids = (int)r->in.num_rids;
2045 uint32 acc_granted;
2046 int i;
2047 struct lsa_Strings names_array;
2048 struct samr_Ids types_array;
2049 struct lsa_String *lsa_names = NULL;
2050
2051 DEBUG(5,("_samr_LookupRids: %d\n", __LINE__));
2052
2053 /* find the policy handle. open a policy on it. */
2054 if (!get_lsa_policy_samr_sid(p, r->in.domain_handle, &pol_sid, &acc_granted, NULL))
2055 return NT_STATUS_INVALID_HANDLE;
2056
2057 status = access_check_samr_function(acc_granted,
2058 0, /* Don't know the acc_bits yet */
2059 "_samr_LookupRids");
2060 if (!NT_STATUS_IS_OK(status)) {
2061 return status;
2062 }
2063
2064 if (num_rids > 1000) {
2065 DEBUG(0, ("Got asked for %d rids (more than 1000) -- according "
2066 "to samba4 idl this is not possible\n", num_rids));
2067 return NT_STATUS_UNSUCCESSFUL;
2068 }
2069
2070 if (num_rids) {
2071 names = TALLOC_ZERO_ARRAY(p->mem_ctx, const char *, num_rids);
2072 attrs = TALLOC_ZERO_ARRAY(p->mem_ctx, enum lsa_SidType, num_rids);
2073 wire_attrs = TALLOC_ZERO_ARRAY(p->mem_ctx, uint32, num_rids);
2074
2075 if ((names == NULL) || (attrs == NULL) || (wire_attrs==NULL))
2076 return NT_STATUS_NO_MEMORY;
2077 } else {
2078 names = NULL;
2079 attrs = NULL;
2080 wire_attrs = NULL;
2081 }
2082
2083 become_root(); /* lookup_sid can require root privs */
2084 status = pdb_lookup_rids(&pol_sid, num_rids, r->in.rids,
2085 names, attrs);
2086 unbecome_root();
2087
2088 if (NT_STATUS_EQUAL(status, NT_STATUS_NONE_MAPPED) && (num_rids == 0)) {
2089 status = NT_STATUS_OK;
2090 }
2091
2092 if (!make_samr_lookup_rids(p->mem_ctx, num_rids, names,
2093 &lsa_names)) {
2094 return NT_STATUS_NO_MEMORY;
2095 }
2096
2097 /* Convert from enum lsa_SidType to uint32 for wire format. */
2098 for (i = 0; i < num_rids; i++) {
2099 wire_attrs[i] = (uint32)attrs[i];
2100 }
2101
2102 names_array.count = num_rids;
2103 names_array.names = lsa_names;
2104
2105 types_array.count = num_rids;
2106 types_array.ids = wire_attrs;
2107
2108 *r->out.names = names_array;
2109 *r->out.types = types_array;
2110
2111 DEBUG(5,("_samr_LookupRids: %d\n", __LINE__));
2112
2113 return status;
2114 }
2115
2116 /*******************************************************************
2117 _samr_OpenUser
2118 ********************************************************************/
2119
2120 NTSTATUS _samr_OpenUser(pipes_struct *p,
2121 struct samr_OpenUser *r)
2122 {
2123 struct samu *sampass=NULL;
2124 DOM_SID sid;
2125 struct samr_info *info = NULL;
2126 SEC_DESC *psd = NULL;
2127 uint32 acc_granted;
2128 uint32 des_access = r->in.access_mask;
2129 size_t sd_size;
2130 bool ret;
2131 NTSTATUS nt_status;
2132 SE_PRIV se_rights;
2133
2134 /* find the domain policy handle and get domain SID / access bits in the domain policy. */
2135
2136 if ( !get_lsa_policy_samr_sid(p, r->in.domain_handle, &sid, &acc_granted, NULL) )
2137 return NT_STATUS_INVALID_HANDLE;
2138
2139 nt_status = access_check_samr_function(acc_granted,
2140 SAMR_DOMAIN_ACCESS_OPEN_ACCOUNT,
2141 "_samr_OpenUser" );
2142
2143 if ( !NT_STATUS_IS_OK(nt_status) )
2144 return nt_status;
2145
2146 if ( !(sampass = samu_new( p->mem_ctx )) ) {
2147 return NT_STATUS_NO_MEMORY;
2148 }
2149
2150 /* append the user's RID to it */
2151
2152 if (!sid_append_rid(&sid, r->in.rid))
2153 return NT_STATUS_NO_SUCH_USER;
2154
2155 /* check if access can be granted as requested by client. */
2156
2157 map_max_allowed_access(p->server_info->ptok, &des_access);
2158
2159 make_samr_object_sd(p->mem_ctx, &psd, &sd_size, &usr_generic_mapping, &sid, SAMR_USR_RIGHTS_WRITE_PW);
2160 se_map_generic(&des_access, &usr_generic_mapping);
2161
2162 se_priv_copy( &se_rights, &se_machine_account );
2163 se_priv_add( &se_rights, &se_add_users );
2164
2165 nt_status = access_check_samr_object(psd, p->server_info->ptok,
2166 &se_rights, GENERIC_RIGHTS_USER_WRITE, des_access,
2167 &acc_granted, "_samr_OpenUser");
2168
2169 if ( !NT_STATUS_IS_OK(nt_status) )
2170 return nt_status;
2171
2172 become_root();
2173 ret=pdb_getsampwsid(sampass, &sid);
2174 unbecome_root();
2175
2176 /* check that the SID exists in our domain. */
2177 if (ret == False) {
2178 return NT_STATUS_NO_SUCH_USER;
2179 }
2180
2181 TALLOC_FREE(sampass);
2182
2183 /* associate the user's SID and access bits with the new handle. */
2184 if ((info = get_samr_info_by_sid(p->mem_ctx, &sid)) == NULL)
2185 return NT_STATUS_NO_MEMORY;
2186 info->acc_granted = acc_granted;
2187
2188 /* get a (unique) handle. open a policy on it. */
2189 if (!create_policy_hnd(p, r->out.user_handle, info))
2190 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
2191
2192 return NT_STATUS_OK;
2193 }
2194
2195 /*************************************************************************
2196 *************************************************************************/
2197
2198 static NTSTATUS init_samr_parameters_string(TALLOC_CTX *mem_ctx,
2199 DATA_BLOB *blob,
2200 struct lsa_BinaryString **_r)
2201 {
2202 struct lsa_BinaryString *r;
2203
2204 if (!blob || !_r) {
2205 return NT_STATUS_INVALID_PARAMETER;
2206 }
2207
2208 r = TALLOC_ZERO_P(mem_ctx, struct lsa_BinaryString);
2209 if (!r) {
2210 return NT_STATUS_NO_MEMORY;
2211 }
2212
2213 r->array = TALLOC_ZERO_ARRAY(mem_ctx, uint16_t, blob->length/2);
2214 if (!r->array) {
2215 return NT_STATUS_NO_MEMORY;
2216 }
2217 memcpy(r->array, blob->data, blob->length);
2218 r->size = blob->length;
2219 r->length = blob->length;
2220
2221 if (!r->array) {
2222 return NT_STATUS_NO_MEMORY;
2223 }
2224
2225 *_r = r;
2226
2227 return NT_STATUS_OK;
2228 }
2229
2230 static NTSTATUS get_user_info_5(TALLOC_CTX *mem_ctx,
2231 struct samr_UserInfo5 *r,
2232 struct samu *pw,
2233 DOM_SID *domain_sid)
2234 {
2235 const DOM_SID *sid_user, *sid_group;
2236 uint32_t rid, primary_gid;
2237
2238 sid_user = pdb_get_user_sid(pw);
2239
2240 if (!sid_peek_check_rid(domain_sid, sid_user, &rid)) {
2241 DEBUG(0, ("get_user_info_5: User %s has SID %s, \nwhich conflicts with "
2242 "the domain sid %s. Failing operation.\n",
2243 pdb_get_username(pw), sid_string_dbg(sid_user),
2244 sid_string_dbg(domain_sid)));
2245 return NT_STATUS_UNSUCCESSFUL;
2246 }
2247
2248 become_root();
2249 sid_group = pdb_get_group_sid(pw);
2250 unbecome_root();
2251
2252 if (!sid_peek_check_rid(domain_sid, sid_group, &primary_gid)) {
2253 DEBUG(0, ("get_user_info_5: User %s has Primary Group SID %s, \n"
2254 "which conflicts with the domain sid %s. Failing operation.\n",
2255 pdb_get_username(pw), sid_string_dbg(sid_group),
2256 sid_string_dbg(domain_sid)));
2257 return NT_STATUS_UNSUCCESSFUL;
2258 }
2259
2260 unix_to_nt_time(&r->last_logon, pdb_get_logon_time(pw));
2261 unix_to_nt_time(&r->last_logoff, pdb_get_logoff_time(pw));
2262 unix_to_nt_time(&r->acct_expiry, pdb_get_kickoff_time(pw));
2263 unix_to_nt_time(&r->last_password_change, pdb_get_pass_last_set_time(pw));
2264
2265 r->account_name.string = talloc_strdup(mem_ctx, pdb_get_username(pw));
2266 r->full_name.string = talloc_strdup(mem_ctx, pdb_get_fullname(pw));
2267 r->home_directory.string= talloc_strdup(mem_ctx, pdb_get_homedir(pw));
2268 r->home_drive.string = talloc_strdup(mem_ctx, pdb_get_dir_drive(pw));
2269 r->logon_script.string = talloc_strdup(mem_ctx, pdb_get_logon_script(pw));
2270 r->profile_path.string = talloc_strdup(mem_ctx, pdb_get_profile_path(pw));
2271 r->description.string = talloc_strdup(mem_ctx, pdb_get_acct_desc(pw));
2272 r->workstations.string = talloc_strdup(mem_ctx, pdb_get_workstations(pw));
2273
2274 r->logon_hours = get_logon_hours_from_pdb(mem_ctx, pw);
2275 r->rid = rid;
2276 r->primary_gid = primary_gid;
2277 r->acct_flags = pdb_get_acct_ctrl(pw);
2278 r->bad_password_count = pdb_get_bad_password_count(pw);
2279 r->logon_count = pdb_get_logon_count(pw);
2280
2281 return NT_STATUS_OK;
2282 }
2283
2284 /*************************************************************************
2285 get_user_info_7. Safe. Only gives out account_name.
2286 *************************************************************************/
2287
2288 static NTSTATUS get_user_info_7(TALLOC_CTX *mem_ctx,
2289 struct samr_UserInfo7 *r,
2290 struct samu *smbpass)
2291 {
2292 r->account_name.string = talloc_strdup(mem_ctx, pdb_get_username(smbpass));
2293 if (!r->account_name.string) {
2294 return NT_STATUS_NO_MEMORY;
2295 }
2296
2297 return NT_STATUS_OK;
2298 }
2299
2300 /*************************************************************************
2301 get_user_info_9. Only gives out primary group SID.
2302 *************************************************************************/
2303
2304 static NTSTATUS get_user_info_9(TALLOC_CTX *mem_ctx,
2305 struct samr_UserInfo9 *r,
2306 struct samu *smbpass)
2307 {
2308 r->primary_gid = pdb_get_group_rid(smbpass);
2309
2310 return NT_STATUS_OK;
2311 }
2312
2313 /*************************************************************************
2314 get_user_info_16. Safe. Only gives out acb bits.
2315 *************************************************************************/
2316
2317 static NTSTATUS get_user_info_16(TALLOC_CTX *mem_ctx,
2318 struct samr_UserInfo16 *r,
2319 struct samu *smbpass)
2320 {
2321 r->acct_flags = pdb_get_acct_ctrl(smbpass);
2322
2323 return NT_STATUS_OK;
2324 }
2325
2326 /*************************************************************************
2327 get_user_info_18. OK - this is the killer as it gives out password info.
2328 Ensure that this is only allowed on an encrypted connection with a root
2329 user. JRA.
2330 *************************************************************************/
2331
2332 static NTSTATUS get_user_info_18(pipes_struct *p,
2333 TALLOC_CTX *mem_ctx,
2334 struct samr_UserInfo18 *r,
2335 DOM_SID *user_sid)
2336 {
2337 struct samu *smbpass=NULL;
2338 bool ret;
2339
2340 ZERO_STRUCTP(r);
2341
2342 if (p->auth.auth_type != PIPE_AUTH_TYPE_NTLMSSP || p->auth.auth_type != PIPE_AUTH_TYPE_SPNEGO_NTLMSSP) {
2343 return NT_STATUS_ACCESS_DENIED;
2344 }
2345
2346 if (p->auth.auth_level != PIPE_AUTH_LEVEL_PRIVACY) {
2347 return NT_STATUS_ACCESS_DENIED;
2348 }
2349
2350 /*
2351 * Do *NOT* do become_root()/unbecome_root() here ! JRA.
2352 */
2353
2354 if ( !(smbpass = samu_new( mem_ctx )) ) {
2355 return NT_STATUS_NO_MEMORY;
2356 }
2357
2358 ret = pdb_getsampwsid(smbpass, user_sid);
2359
2360 if (ret == False) {
2361 DEBUG(4, ("User %s not found\n", sid_string_dbg(user_sid)));
2362 TALLOC_FREE(smbpass);
2363 return (geteuid() == (uid_t)0) ? NT_STATUS_NO_SUCH_USER : NT_STATUS_ACCESS_DENIED;
2364 }
2365
2366 DEBUG(3,("User:[%s] 0x%x\n", pdb_get_username(smbpass), pdb_get_acct_ctrl(smbpass) ));
2367
2368 if ( pdb_get_acct_ctrl(smbpass) & ACB_DISABLED) {
2369 TALLOC_FREE(smbpass);
2370 return NT_STATUS_ACCOUNT_DISABLED;
2371 }
2372
2373 r->lm_pwd_active = true;
2374 r->nt_pwd_active = true;
2375 memcpy(r->lm_pwd.hash, pdb_get_lanman_passwd(smbpass), 16);
2376 memcpy(r->nt_pwd.hash, pdb_get_nt_passwd(smbpass), 16);
2377 r->password_expired = 0; /* FIXME */
2378
2379 TALLOC_FREE(smbpass);
2380
2381 return NT_STATUS_OK;
2382 }
2383
2384 /*************************************************************************
2385 get_user_info_20
2386 *************************************************************************/
2387
2388 static NTSTATUS get_user_info_20(TALLOC_CTX *mem_ctx,
2389 struct samr_UserInfo20 *r,
2390 struct samu *sampass)
2391 {
2392 const char *munged_dial = NULL;
2393 DATA_BLOB blob;
2394 NTSTATUS status;
2395 struct lsa_BinaryString *parameters = NULL;
2396
2397 ZERO_STRUCTP(r);
2398
2399 munged_dial = pdb_get_munged_dial(sampass);
2400
2401 DEBUG(3,("User:[%s] has [%s] (length: %d)\n", pdb_get_username(sampass),
2402 munged_dial, (int)strlen(munged_dial)));
2403
2404 if (munged_dial) {
2405 blob = base64_decode_data_blob(munged_dial);
2406 } else {
2407 blob = data_blob_string_const_null("");
2408 }
2409
2410 status = init_samr_parameters_string(mem_ctx, &blob, &parameters);
2411 data_blob_free(&blob);
2412 if (!NT_STATUS_IS_OK(status)) {
2413 return status;
2414 }
2415
2416 r->parameters = *parameters;
2417
2418 return NT_STATUS_OK;
2419 }
2420
2421
2422 /*************************************************************************
2423 get_user_info_21
2424 *************************************************************************/
2425
2426 static NTSTATUS get_user_info_21(TALLOC_CTX *mem_ctx,
2427 struct samr_UserInfo21 *r,
2428 struct samu *pw,
2429 DOM_SID *domain_sid)
2430 {
2431 NTSTATUS status;
2432 const DOM_SID *sid_user, *sid_group;
2433 uint32_t rid, primary_gid;
2434 NTTIME force_password_change;
2435 time_t must_change_time;
2436 struct lsa_BinaryString *parameters = NULL;
2437 const char *munged_dial = NULL;
2438 DATA_BLOB blob;
2439
2440 ZERO_STRUCTP(r);
2441
2442 sid_user = pdb_get_user_sid(pw);
2443
2444 if (!sid_peek_check_rid(domain_sid, sid_user, &rid)) {
2445 DEBUG(0, ("get_user_info_21: User %s has SID %s, \nwhich conflicts with "
2446 "the domain sid %s. Failing operation.\n",
2447 pdb_get_username(pw), sid_string_dbg(sid_user),
2448 sid_string_dbg(domain_sid)));
2449 return NT_STATUS_UNSUCCESSFUL;
2450 }
2451
2452 become_root();
2453 sid_group = pdb_get_group_sid(pw);
2454 unbecome_root();
2455
2456 if (!sid_peek_check_rid(domain_sid, sid_group, &primary_gid)) {
2457 DEBUG(0, ("get_user_info_21: User %s has Primary Group SID %s, \n"
2458 "which conflicts with the domain sid %s. Failing operation.\n",
2459 pdb_get_username(pw), sid_string_dbg(sid_group),
2460 sid_string_dbg(domain_sid)));
2461 return NT_STATUS_UNSUCCESSFUL;
2462 }
2463
2464 unix_to_nt_time(&r->last_logon, pdb_get_logon_time(pw));
2465 unix_to_nt_time(&r->last_logoff, pdb_get_logoff_time(pw));
2466 unix_to_nt_time(&r->acct_expiry, pdb_get_kickoff_time(pw));
2467 unix_to_nt_time(&r->last_password_change, pdb_get_pass_last_set_time(pw));
2468 unix_to_nt_time(&r->allow_password_change, pdb_get_pass_can_change_time(pw));
2469
2470 must_change_time = pdb_get_pass_must_change_time(pw);
2471 if (must_change_time == get_time_t_max()) {
2472 unix_to_nt_time_abs(&force_password_change, must_change_time);
2473 } else {
2474 unix_to_nt_time(&force_password_change, must_change_time);
2475 }
2476
2477 munged_dial = pdb_get_munged_dial(pw);
2478 if (munged_dial) {
2479 blob = base64_decode_data_blob(munged_dial);
2480 } else {
2481 blob = data_blob_string_const_null("");
2482 }
2483
2484 status = init_samr_parameters_string(mem_ctx, &blob, &parameters);
2485 data_blob_free(&blob);
2486 if (!NT_STATUS_IS_OK(status)) {
2487 return status;
2488 }
2489
2490 r->force_password_change = force_password_change;
2491
2492 r->account_name.string = talloc_strdup(mem_ctx, pdb_get_username(pw));
2493 r->full_name.string = talloc_strdup(mem_ctx, pdb_get_fullname(pw));
2494 r->home_directory.string = talloc_strdup(mem_ctx, pdb_get_homedir(pw));
2495 r->home_drive.string = talloc_strdup(mem_ctx, pdb_get_dir_drive(pw));
2496 r->logon_script.string = talloc_strdup(mem_ctx, pdb_get_logon_script(pw));
2497 r->profile_path.string = talloc_strdup(mem_ctx, pdb_get_profile_path(pw));
2498 r->description.string = talloc_strdup(mem_ctx, pdb_get_acct_desc(pw));
2499 r->workstations.string = talloc_strdup(mem_ctx, pdb_get_workstations(pw));
2500 r->comment.string = talloc_strdup(mem_ctx, pdb_get_comment(pw));
2501
2502 r->logon_hours = get_logon_hours_from_pdb(mem_ctx, pw);
2503 r->parameters = *parameters;
2504 r->rid = rid;
2505 r->primary_gid = primary_gid;
2506 r->acct_flags = pdb_get_acct_ctrl(pw);
2507 r->bad_password_count = pdb_get_bad_password_count(pw);
2508 r->logon_count = pdb_get_logon_count(pw);
2509 r->fields_present = pdb_build_fields_present(pw);
2510 r->password_expired = (pdb_get_pass_must_change_time(pw) == 0) ?
2511 PASS_MUST_CHANGE_AT_NEXT_LOGON : 0;
2512 r->country_code = 0;
2513 r->code_page = 0;
2514 r->lm_password_set = 0;
2515 r->nt_password_set = 0;
2516
2517 #if 0
2518
2519 /*
2520 Look at a user on a real NT4 PDC with usrmgr, press
2521 'ok'. Then you will see that fields_present is set to
2522 0x08f827fa. Look at the user immediately after that again,
2523 and you will see that 0x00fffff is returned. This solves
2524 the problem that you get access denied after having looked
2525 at the user.
2526 -- Volker
2527 */
2528
2529 #endif
2530
2531
2532 return NT_STATUS_OK;
2533 }
2534
2535 /*******************************************************************
2536 _samr_QueryUserInfo
2537 ********************************************************************/
2538
2539 NTSTATUS _samr_QueryUserInfo(pipes_struct *p,
2540 struct samr_QueryUserInfo *r)
2541 {
2542 NTSTATUS status;
2543 union samr_UserInfo *user_info = NULL;
2544 struct samr_info *info = NULL;
2545 DOM_SID domain_sid;
2546 uint32 rid;
2547 bool ret = false;
2548 struct samu *pwd = NULL;
2549
2550 /* search for the handle */
2551 if (!find_policy_by_hnd(p, r->in.user_handle, (void **)(void *)&info))
2552 return NT_STATUS_INVALID_HANDLE;
2553
2554 status = access_check_samr_function(info->acc_granted,
2555 SAMR_USER_ACCESS_GET_ATTRIBUTES,
2556 "_samr_QueryUserInfo");
2557 if (!NT_STATUS_IS_OK(status)) {
2558 return status;
2559 }
2560
2561 domain_sid = info->sid;
2562
2563 sid_split_rid(&domain_sid, &rid);
2564
2565 if (!sid_check_is_in_our_domain(&info->sid))
2566 return NT_STATUS_OBJECT_TYPE_MISMATCH;
2567
2568 DEBUG(5,("_samr_QueryUserInfo: sid:%s\n",
2569 sid_string_dbg(&info->sid)));
2570
2571 user_info = TALLOC_ZERO_P(p->mem_ctx, union samr_UserInfo);
2572 if (!user_info) {
2573 return NT_STATUS_NO_MEMORY;
2574 }
2575
2576 DEBUG(5,("_samr_QueryUserInfo: user info level: %d\n", r->in.level));
2577
2578 if (!(pwd = samu_new(p->mem_ctx))) {
2579 return NT_STATUS_NO_MEMORY;
2580 }
2581
2582 become_root();
2583 ret = pdb_getsampwsid(pwd, &info->sid);
2584 unbecome_root();
2585
2586 if (ret == false) {
2587 DEBUG(4,("User %s not found\n", sid_string_dbg(&info->sid)));
2588 TALLOC_FREE(pwd);
2589 return NT_STATUS_NO_SUCH_USER;
2590 }
2591
2592 DEBUG(3,("User:[%s]\n", pdb_get_username(pwd)));
2593
2594 samr_clear_sam_passwd(pwd);
2595
2596 switch (r->in.level) {
2597 case 5:
2598 status = get_user_info_5(p->mem_ctx, &user_info->info5, pwd, &domain_sid);
2599 break;
2600 case 7:
2601 status = get_user_info_7(p->mem_ctx, &user_info->info7, pwd);
2602 break;
2603 case 9:
2604 status = get_user_info_9(p->mem_ctx, &user_info->info9, pwd);
2605 break;
2606 case 16:
2607 status = get_user_info_16(p->mem_ctx, &user_info->info16, pwd);
2608 break;
2609 case 18:
2610 /* level 18 is special */
2611 status = get_user_info_18(p, p->mem_ctx, &user_info->info18, &info->sid);
2612 break;
2613 case 20:
2614 status = get_user_info_20(p->mem_ctx, &user_info->info20, pwd);
2615 break;
2616 case 21:
2617 status = get_user_info_21(p->mem_ctx, &user_info->info21, pwd, &domain_sid);
2618 break;
2619 default:
2620 status = NT_STATUS_INVALID_INFO_CLASS;
2621 break;
2622 }
2623
2624 TALLOC_FREE(pwd);
2625
2626 *r->out.info = user_info;
2627
2628 DEBUG(5,("_samr_QueryUserInfo: %d\n", __LINE__));
2629
2630 return status;
2631 }
2632
2633 /****************************************************************
2634 ****************************************************************/
2635
2636 NTSTATUS _samr_QueryUserInfo2(pipes_struct *p,
2637 struct samr_QueryUserInfo2 *r)
2638 {
2639 struct samr_QueryUserInfo u;
2640
2641 u.in.user_handle = r->in.user_handle;
2642 u.in.level = r->in.level;
2643 u.out.info = r->out.info;
2644
2645 return _samr_QueryUserInfo(p, &u);
2646 }
2647
2648 /*******************************************************************
2649 _samr_GetGroupsForUser
2650 ********************************************************************/
2651
2652 NTSTATUS _samr_GetGroupsForUser(pipes_struct *p,
2653 struct samr_GetGroupsForUser *r)
2654 {
2655 struct samu *sam_pass=NULL;
2656 DOM_SID sid;
2657 DOM_SID *sids;
2658 struct samr_RidWithAttribute dom_gid;
2659 struct samr_RidWithAttribute *gids = NULL;
2660 uint32 primary_group_rid;
2661 size_t num_groups = 0;
2662 gid_t *unix_gids;
2663 size_t i, num_gids;
2664 uint32 acc_granted;
2665 bool ret;
2666 NTSTATUS result;
2667 bool success = False;
2668
2669 struct samr_RidWithAttributeArray *rids = NULL;
2670
2671 /*
2672 * from the SID in the request:
2673 * we should send back the list of DOMAIN GROUPS
2674 * the user is a member of
2675 *
2676 * and only the DOMAIN GROUPS
2677 * no ALIASES !!! neither aliases of the domain
2678 * nor aliases of the builtin SID
2679 *
2680 * JFM, 12/2/2001
2681 */
2682
2683 DEBUG(5,("_samr_GetGroupsForUser: %d\n", __LINE__));
2684
2685 rids = TALLOC_ZERO_P(p->mem_ctx, struct samr_RidWithAttributeArray);
2686 if (!rids) {
2687 return NT_STATUS_NO_MEMORY;
2688 }
2689
2690 /* find the policy handle. open a policy on it. */
2691 if (!get_lsa_policy_samr_sid(p, r->in.user_handle, &sid, &acc_granted, NULL))
2692 return NT_STATUS_INVALID_HANDLE;
2693
2694 result = access_check_samr_function(acc_granted,
2695 SAMR_USER_ACCESS_GET_GROUPS,
2696 "_samr_GetGroupsForUser");
2697 if (!NT_STATUS_IS_OK(result)) {
2698 return result;
2699 }
2700
2701 if (!sid_check_is_in_our_domain(&sid))
2702 return NT_STATUS_OBJECT_TYPE_MISMATCH;
2703
2704 if ( !(sam_pass = samu_new( p->mem_ctx )) ) {
2705 return NT_STATUS_NO_MEMORY;
2706 }
2707
2708 become_root();
2709 ret = pdb_getsampwsid(sam_pass, &sid);
2710 unbecome_root();
2711
2712 if (!ret) {
2713 DEBUG(10, ("pdb_getsampwsid failed for %s\n",
2714 sid_string_dbg(&sid)));
2715 return NT_STATUS_NO_SUCH_USER;
2716 }
2717
2718 sids = NULL;
2719
2720 /* make both calls inside the root block */
2721 become_root();
2722 result = pdb_enum_group_memberships(p->mem_ctx, sam_pass,
2723 &sids, &unix_gids, &num_groups);
2724 if ( NT_STATUS_IS_OK(result) ) {
2725 success = sid_peek_check_rid(get_global_sam_sid(),
2726 pdb_get_group_sid(sam_pass),
2727 &primary_group_rid);
2728 }
2729 unbecome_root();
2730
2731 if (!NT_STATUS_IS_OK(result)) {
2732 DEBUG(10, ("pdb_enum_group_memberships failed for %s\n",
2733 sid_string_dbg(&sid)));
2734 return result;
2735 }
2736
2737 if ( !success ) {
2738 DEBUG(5, ("Group sid %s for user %s not in our domain\n",
2739 sid_string_dbg(pdb_get_group_sid(sam_pass)),
2740 pdb_get_username(sam_pass)));
2741 TALLOC_FREE(sam_pass);
2742 return NT_STATUS_INTERNAL_DB_CORRUPTION;
2743 }
2744
2745 gids = NULL;
2746 num_gids = 0;
2747
2748 dom_gid.attributes = (SE_GROUP_MANDATORY|SE_GROUP_ENABLED_BY_DEFAULT|
2749 SE_GROUP_ENABLED);
2750 dom_gid.rid = primary_group_rid;
2751 ADD_TO_ARRAY(p->mem_ctx, struct samr_RidWithAttribute, dom_gid, &gids, &num_gids);
2752
2753 for (i=0; i<num_groups; i++) {
2754
2755 if (!sid_peek_check_rid(get_global_sam_sid(),
2756 &(sids[i]), &dom_gid.rid)) {
2757 DEBUG(10, ("Found sid %s not in our domain\n",
2758 sid_string_dbg(&sids[i])));
2759 continue;
2760 }
2761
2762 if (dom_gid.rid == primary_group_rid) {
2763 /* We added the primary group directly from the
2764 * sam_account. The other SIDs are unique from
2765 * enum_group_memberships */
2766 continue;
2767 }
2768
2769 ADD_TO_ARRAY(p->mem_ctx, struct samr_RidWithAttribute, dom_gid, &gids, &num_gids);
2770 }
2771
2772 rids->count = num_gids;
2773 rids->rids = gids;
2774
2775 *r->out.rids = rids;
2776
2777 DEBUG(5,("_samr_GetGroupsForUser: %d\n", __LINE__));
2778
2779 return result;
2780 }
2781
2782 /*******************************************************************
2783 _samr_QueryDomainInfo
2784 ********************************************************************/
2785
2786 NTSTATUS _samr_QueryDomainInfo(pipes_struct *p,
2787 struct samr_QueryDomainInfo *r)
2788 {
2789 NTSTATUS status = NT_STATUS_OK;
2790 struct samr_info *info = NULL;
2791 union samr_DomainInfo *dom_info;
2792 time_t u_expire, u_min_age;
2793
2794 time_t u_lock_duration, u_reset_time;
2795 uint32_t u_logout;
2796
2797 uint32 account_policy_temp;
2798
2799 time_t seq_num;
2800 uint32 server_role;
2801
2802 DEBUG(5,("_samr_QueryDomainInfo: %d\n", __LINE__));
2803
2804 dom_info = TALLOC_ZERO_P(p->mem_ctx, union samr_DomainInfo);
2805 if (!dom_info) {
2806 return NT_STATUS_NO_MEMORY;
2807 }
2808
2809 /* find the policy handle. open a policy on it. */
2810 if (!find_policy_by_hnd(p, r->in.domain_handle, (void **)(void *)&info)) {
2811 return NT_STATUS_INVALID_HANDLE;
2812 }
2813
2814 status = access_check_samr_function(info->acc_granted,
2815 SAMR_ACCESS_OPEN_DOMAIN,
2816 "_samr_QueryDomainInfo" );
2817
2818 if ( !NT_STATUS_IS_OK(status) )
2819 return status;
2820
2821 switch (r->in.level) {
2822 case 0x01:
2823
2824 become_root();
2825
2826 /* AS ROOT !!! */
2827
2828 pdb_get_account_policy(AP_MIN_PASSWORD_LEN,
2829 &account_policy_temp);
2830 dom_info->info1.min_password_length = account_policy_temp;
2831
2832 pdb_get_account_policy(AP_PASSWORD_HISTORY, &account_policy_temp);
2833 dom_info->info1.password_history_length = account_policy_temp;
2834
2835 pdb_get_account_policy(AP_USER_MUST_LOGON_TO_CHG_PASS,
2836 &dom_info->info1.password_properties);
2837
2838 pdb_get_account_policy(AP_MAX_PASSWORD_AGE, &account_policy_temp);
2839 u_expire = account_policy_temp;
2840
2841 pdb_get_account_policy(AP_MIN_PASSWORD_AGE, &account_policy_temp);
2842 u_min_age = account_policy_temp;
2843
2844 /* !AS ROOT */
2845
2846 unbecome_root();
2847
2848 unix_to_nt_time_abs((NTTIME *)&dom_info->info1.max_password_age, u_expire);
2849 unix_to_nt_time_abs((NTTIME *)&dom_info->info1.min_password_age, u_min_age);
2850
2851 if (lp_check_password_script() && *lp_check_password_script()) {
2852 dom_info->info1.password_properties |= DOMAIN_PASSWORD_COMPLEX;
2853 }
2854
2855 break;
2856 case 0x02:
2857
2858 become_root();
2859
2860 /* AS ROOT !!! */
2861
2862 dom_info->general.num_users = count_sam_users(info->disp_info, ACB_NORMAL);
2863 dom_info->general.num_groups = count_sam_groups(info->disp_info);
2864 dom_info->general.num_aliases = count_sam_aliases(info->disp_info);
2865
2866 pdb_get_account_policy(AP_TIME_TO_LOGOUT, &u_logout);
2867
2868 unix_to_nt_time_abs(&dom_info->general.force_logoff_time, u_logout);
2869
2870 if (!pdb_get_seq_num(&seq_num))
2871 seq_num = time(NULL);
2872
2873 /* !AS ROOT */
2874
2875 unbecome_root();
2876
2877 server_role = ROLE_DOMAIN_PDC;
2878 if (lp_server_role() == ROLE_DOMAIN_BDC)
2879 server_role = ROLE_DOMAIN_BDC;
2880
2881 dom_info->general.oem_information.string = lp_serverstring();
2882 dom_info->general.domain_name.string = lp_workgroup();
2883 dom_info->general.primary.string = global_myname();
2884 dom_info->general.sequence_num = seq_num;
2885 dom_info->general.domain_server_state = DOMAIN_SERVER_ENABLED;
2886 dom_info->general.role = server_role;
2887 dom_info->general.unknown3 = 1;
2888
2889 break;
2890 case 0x03:
2891
2892 become_root();
2893
2894 /* AS ROOT !!! */
2895
2896 {
2897 uint32 ul;
2898 pdb_get_account_policy(AP_TIME_TO_LOGOUT, &ul);
2899 u_logout = (time_t)ul;
2900 }
2901
2902 /* !AS ROOT */
2903
2904 unbecome_root();
2905
2906 unix_to_nt_time_abs(&dom_info->info3.force_logoff_time, u_logout);
2907
2908 break;
2909 case 0x04:
2910 dom_info->oem.oem_information.string = lp_serverstring();
2911 break;
2912 case 0x05:
2913 dom_info->info5.domain_name.string = get_global_sam_name();
2914 break;
2915 case 0x06:
2916 /* NT returns its own name when a PDC. win2k and later
2917 * only the name of the PDC if itself is a BDC (samba4
2918 * idl) */
2919 dom_info->info6.primary.string = global_myname();
2920 break;
2921 case 0x07:
2922 server_role = ROLE_DOMAIN_PDC;
2923 if (lp_server_role() == ROLE_DOMAIN_BDC)
2924 server_role = ROLE_DOMAIN_BDC;
2925
2926 dom_info->info7.role = server_role;
2927 break;
2928 case 0x08:
2929
2930 become_root();
2931
2932 /* AS ROOT !!! */
2933
2934 if (!pdb_get_seq_num(&seq_num)) {
2935 seq_num = time(NULL);
2936 }
2937
2938 /* !AS ROOT */
2939
2940 unbecome_root();
2941
2942 dom_info->info8.sequence_num = seq_num;
2943 dom_info->info8.domain_create_time = 0;
2944
2945 break;
2946 case 0x0c:
2947
2948 become_root();
2949
2950 /* AS ROOT !!! */
2951
2952 pdb_get_account_policy(AP_LOCK_ACCOUNT_DURATION, &account_policy_temp);
2953 u_lock_duration = account_policy_temp;
2954 if (u_lock_duration != -1) {
2955 u_lock_duration *= 60;
2956 }
2957
2958 pdb_get_account_policy(AP_RESET_COUNT_TIME, &account_policy_temp);
2959 u_reset_time = account_policy_temp * 60;
2960
2961 pdb_get_account_policy(AP_BAD_ATTEMPT_LOCKOUT,
2962 &account_policy_temp);
2963 dom_info->info12.lockout_threshold = account_policy_temp;
2964
2965 /* !AS ROOT */
2966
2967 unbecome_root();
2968
2969 unix_to_nt_time_abs(&dom_info->info12.lockout_duration,
2970 u_lock_duration);
2971 unix_to_nt_time_abs(&dom_info->info12.lockout_window,
2972 u_reset_time);
2973
2974 break;
2975 default:
2976 return NT_STATUS_INVALID_INFO_CLASS;
2977 }
2978
2979 *r->out.info = dom_info;
2980
2981 DEBUG(5,("_samr_QueryDomainInfo: %d\n", __LINE__));
2982
2983 return status;
2984 }
2985
2986 /* W2k3 seems to use the same check for all 3 objects that can be created via
2987 * SAMR, if you try to create for example "Dialup" as an alias it says
2988 * "NT_STATUS_USER_EXISTS". This is racy, but we can't really lock the user
2989 * database. */
2990
2991 static NTSTATUS can_create(TALLOC_CTX *mem_ctx, const char *new_name)
2992 {
2993 enum lsa_SidType type;
2994 bool result;
2995
2996 DEBUG(10, ("Checking whether [%s] can be created\n", new_name));
2997
2998 become_root();
2999 /* Lookup in our local databases (LOOKUP_NAME_REMOTE not set)
3000 * whether the name already exists */
3001 result = lookup_name(mem_ctx, new_name, LOOKUP_NAME_LOCAL,
3002 NULL, NULL, NULL, &type);
3003 unbecome_root();
3004
3005 if (!result) {
3006 DEBUG(10, ("%s does not exist, can create it\n", new_name));
3007 return NT_STATUS_OK;
3008 }
3009
3010 DEBUG(5, ("trying to create %s, exists as %s\n",
3011 new_name, sid_type_lookup(type)));
3012
3013 if (type == SID_NAME_DOM_GRP) {
3014 return NT_STATUS_GROUP_EXISTS;
3015 }
3016 if (type == SID_NAME_ALIAS) {
3017 return NT_STATUS_ALIAS_EXISTS;
3018 }
3019
3020 /* Yes, the default is NT_STATUS_USER_EXISTS */
3021 return NT_STATUS_USER_EXISTS;
3022 }
3023
3024 /*******************************************************************
3025 _samr_CreateUser2
3026 ********************************************************************/
3027
3028 NTSTATUS _samr_CreateUser2(pipes_struct *p,
3029 struct samr_CreateUser2 *r)
3030 {
3031 const char *account = NULL;
3032 DOM_SID sid;
3033 uint32_t acb_info = r->in.acct_flags;
3034 struct samr_info *info = NULL;
3035 NTSTATUS nt_status;
3036 uint32 acc_granted;
3037 SEC_DESC *psd;
3038 size_t sd_size;
3039 /* check this, when giving away 'add computer to domain' privs */
3040 uint32 des_access = GENERIC_RIGHTS_USER_ALL_ACCESS;
3041 bool can_add_account = False;
3042 SE_PRIV se_rights;
3043 DISP_INFO *disp_info = NULL;
3044
3045 /* Get the domain SID stored in the domain policy */
3046 if (!get_lsa_policy_samr_sid(p, r->in.domain_handle, &sid, &acc_granted,
3047 &disp_info))
3048 return NT_STATUS_INVALID_HANDLE;
3049
3050 if (disp_info->builtin_domain) {
3051 DEBUG(5,("_samr_CreateUser2: Refusing user create in BUILTIN\n"));
3052 return NT_STATUS_ACCESS_DENIED;
3053 }
3054
3055 nt_status = access_check_samr_function(acc_granted,
3056 SAMR_DOMAIN_ACCESS_CREATE_USER,
3057 "_samr_CreateUser2");
3058 if (!NT_STATUS_IS_OK(nt_status)) {
3059 return nt_status;
3060 }
3061
3062 if (!(acb_info == ACB_NORMAL || acb_info == ACB_DOMTRUST ||
3063 acb_info == ACB_WSTRUST || acb_info == ACB_SVRTRUST)) {
3064 /* Match Win2k, and return NT_STATUS_INVALID_PARAMETER if
3065 this parameter is not an account type */
3066 return NT_STATUS_INVALID_PARAMETER;
3067 }
3068
3069 account = r->in.account_name->string;
3070 if (account == NULL) {
3071 return NT_STATUS_NO_MEMORY;
3072 }
3073
3074 nt_status = can_create(p->mem_ctx, account);
3075 if (!NT_STATUS_IS_OK(nt_status)) {
3076 return nt_status;
3077 }
3078
3079 /* determine which user right we need to check based on the acb_info */
3080
3081 if ( acb_info & ACB_WSTRUST )
3082 {
3083 se_priv_copy( &se_rights, &se_machine_account );
3084 can_add_account = user_has_privileges(
3085 p->server_info->ptok, &se_rights );
3086 }
3087 /* usrmgr.exe (and net rpc trustdom grant) creates a normal user
3088 account for domain trusts and changes the ACB flags later */
3089 else if ( acb_info & ACB_NORMAL &&
3090 (account[strlen(account)-1] != '$') )
3091 {
3092 se_priv_copy( &se_rights, &se_add_users );
3093 can_add_account = user_has_privileges(
3094 p->server_info->ptok, &se_rights );
3095 }
3096 else /* implicit assumption of a BDC or domain trust account here
3097 * (we already check the flags earlier) */
3098 {
3099 if ( lp_enable_privileges() ) {
3100 /* only Domain Admins can add a BDC or domain trust */
3101 se_priv_copy( &se_rights, &se_priv_none );
3102 can_add_account = nt_token_check_domain_rid(
3103 p->server_info->ptok,
3104 DOMAIN_GROUP_RID_ADMINS );
3105 }
3106 }
3107
3108 DEBUG(5, ("_samr_CreateUser2: %s can add this account : %s\n",
3109 uidtoname(p->server_info->utok.uid),
3110 can_add_account ? "True":"False" ));
3111
3112 /********** BEGIN Admin BLOCK **********/
3113
3114 if ( can_add_account )
3115 become_root();
3116
3117 nt_status = pdb_create_user(p->mem_ctx, account, acb_info,
3118 r->out.rid);
3119
3120 if ( can_add_account )
3121 unbecome_root();
3122
3123 /********** END Admin BLOCK **********/
3124
3125 /* now check for failure */
3126
3127 if ( !NT_STATUS_IS_OK(nt_status) )
3128 return nt_status;
3129
3130 /* Get the user's SID */
3131
3132 sid_compose(&sid, get_global_sam_sid(), *r->out.rid);
3133
3134 map_max_allowed_access(p->server_info->ptok, &des_access);
3135
3136 make_samr_object_sd(p->mem_ctx, &psd, &sd_size, &usr_generic_mapping,
3137 &sid, SAMR_USR_RIGHTS_WRITE_PW);
3138 se_map_generic(&des_access, &usr_generic_mapping);
3139
3140 nt_status = access_check_samr_object(psd, p->server_info->ptok,
3141 &se_rights, GENERIC_RIGHTS_USER_WRITE, des_access,
3142 &acc_granted, "_samr_CreateUser2");
3143
3144 if ( !NT_STATUS_IS_OK(nt_status) ) {
3145 return nt_status;
3146 }
3147
3148 /* associate the user's SID with the new handle. */
3149 if ((info = get_samr_info_by_sid(p->mem_ctx, &sid)) == NULL) {
3150 return NT_STATUS_NO_MEMORY;
3151 }
3152
3153 ZERO_STRUCTP(info);
3154 info->sid = sid;
3155 info->acc_granted = acc_granted;
3156
3157 /* get a (unique) handle. open a policy on it. */
3158 if (!create_policy_hnd(p, r->out.user_handle, info)) {
3159 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
3160 }
3161
3162 /* After a "set" ensure we have no cached display info. */
3163 force_flush_samr_cache(info->disp_info);
3164
3165 *r->out.access_granted = acc_granted;
3166
3167 return NT_STATUS_OK;
3168 }
3169
3170 /****************************************************************
3171 ****************************************************************/
3172
3173 NTSTATUS _samr_CreateUser(pipes_struct *p,
3174 struct samr_CreateUser *r)
3175 {
3176 struct samr_CreateUser2 c;
3177 uint32_t access_granted;
3178
3179 c.in.domain_handle = r->in.domain_handle;
3180 c.in.account_name = r->in.account_name;
3181 c.in.acct_flags = ACB_NORMAL;
3182 c.in.access_mask = r->in.access_mask;
3183 c.out.user_handle = r->out.user_handle;
3184 c.out.access_granted = &access_granted;
3185 c.out.rid = r->out.rid;
3186
3187 return _samr_CreateUser2(p, &c);
3188 }
3189
3190 /*******************************************************************
3191 _samr_Connect
3192 ********************************************************************/
3193
3194 NTSTATUS _samr_Connect(pipes_struct *p,
3195 struct samr_Connect *r)
3196 {
3197 struct samr_info *info = NULL;
3198 uint32 des_access = r->in.access_mask;
3199
3200 /* Access check */
3201
3202 if (!pipe_access_check(p)) {
3203 DEBUG(3, ("access denied to _samr_Connect\n"));
3204 return NT_STATUS_ACCESS_DENIED;
3205 }
3206
3207 /* set up the SAMR connect_anon response */
3208
3209 /* associate the user's SID with the new handle. */
3210 if ((info = get_samr_info_by_sid(p->mem_ctx, NULL)) == NULL)
3211 return NT_STATUS_NO_MEMORY;
3212
3213 /* don't give away the farm but this is probably ok. The SAMR_ACCESS_ENUM_DOMAINS
3214 was observed from a win98 client trying to enumerate users (when configured
3215 user level access control on shares) --jerry */
3216
3217 map_max_allowed_access(p->server_info->ptok, &des_access);
3218
3219 se_map_generic( &des_access, &sam_generic_mapping );
3220 info->acc_granted = des_access & (SAMR_ACCESS_ENUM_DOMAINS|SAMR_ACCESS_OPEN_DOMAIN);
3221
3222 /* get a (unique) handle. open a policy on it. */
3223 if (!create_policy_hnd(p, r->out.connect_handle, info))
3224 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
3225
3226 return NT_STATUS_OK;
3227 }
3228
3229 /*******************************************************************
3230 _samr_Connect2
3231 ********************************************************************/
3232
3233 NTSTATUS _samr_Connect2(pipes_struct *p,
3234 struct samr_Connect2 *r)
3235 {
3236 struct samr_info *info = NULL;
3237 SEC_DESC *psd = NULL;
3238 uint32 acc_granted;
3239 uint32 des_access = r->in.access_mask;
3240 NTSTATUS nt_status;
3241 size_t sd_size;
3242 const char *fn = "_samr_Connect2";
3243
3244 switch (p->hdr_req.opnum) {
3245 case NDR_SAMR_CONNECT2:
3246 fn = "_samr_Connect2";
3247 break;
3248 case NDR_SAMR_CONNECT4:
3249 fn = "_samr_Connect4";
3250 break;
3251 case NDR_SAMR_CONNECT5:
3252 fn = "_samr_Connect5";
3253 break;
3254 }
3255
3256 DEBUG(5,("%s: %d\n", fn, __LINE__));
3257
3258 /* Access check */
3259
3260 if (!pipe_access_check(p)) {
3261 DEBUG(3, ("access denied to %s\n", fn));
3262 return NT_STATUS_ACCESS_DENIED;
3263 }
3264
3265 map_max_allowed_access(p->server_info->ptok, &des_access);
3266
3267 make_samr_object_sd(p->mem_ctx, &psd, &sd_size, &sam_generic_mapping, NULL, 0);
3268 se_map_generic(&des_access, &sam_generic_mapping);
3269
3270 nt_status = access_check_samr_object(psd, p->server_info->ptok,
3271 NULL, 0, des_access, &acc_granted, fn);
3272
3273 if ( !NT_STATUS_IS_OK(nt_status) )
3274 return nt_status;
3275
3276 /* associate the user's SID and access granted with the new handle. */
3277 if ((info = get_samr_info_by_sid(p->mem_ctx, NULL)) == NULL)
3278 return NT_STATUS_NO_MEMORY;
3279
3280 info->acc_granted = acc_granted;
3281 info->status = r->in.access_mask; /* this looks so wrong... - gd */
3282
3283 /* get a (unique) handle. open a policy on it. */
3284 if (!create_policy_hnd(p, r->out.connect_handle, info))
3285 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
3286
3287 DEBUG(5,("%s: %d\n", fn, __LINE__));
3288
3289 return nt_status;
3290 }
3291
3292 /*******************************************************************
3293 _samr_Connect4
3294 ********************************************************************/
3295
3296 NTSTATUS _samr_Connect4(pipes_struct *p,
3297 struct samr_Connect4 *r)
3298 {
3299 struct samr_Connect2 c;
3300
3301 c.in.system_name = r->in.system_name;
3302 c.in.access_mask = r->in.access_mask;
3303 c.out.connect_handle = r->out.connect_handle;
3304
3305 return _samr_Connect2(p, &c);
3306 }
3307
3308 /*******************************************************************
3309 _samr_Connect5
3310 ********************************************************************/
3311
3312 NTSTATUS _samr_Connect5(pipes_struct *p,
3313 struct samr_Connect5 *r)
3314 {
3315 NTSTATUS status;
3316 struct samr_Connect2 c;
3317 struct samr_ConnectInfo1 info1;
3318
3319 info1.client_version = SAMR_CONNECT_AFTER_W2K;
3320 info1.unknown2 = 0;
3321
3322 c.in.system_name = r->in.system_name;
3323 c.in.access_mask = r->in.access_mask;
3324 c.out.connect_handle = r->out.connect_handle;
3325
3326 status = _samr_Connect2(p, &c);
3327 if (!NT_STATUS_IS_OK(status)) {
3328 return status;
3329 }
3330
3331 *r->out.level_out = 1;
3332 r->out.info_out->info1 = info1;
3333
3334 return NT_STATUS_OK;
3335 }
3336
3337 /**********************************************************************
3338 _samr_LookupDomain
3339 **********************************************************************/
3340
3341 NTSTATUS _samr_LookupDomain(pipes_struct *p,
3342 struct samr_LookupDomain *r)
3343 {
3344 NTSTATUS status = NT_STATUS_OK;
3345 struct samr_info *info;
3346 const char *domain_name;
3347 DOM_SID *sid = NULL;
3348
3349 if (!find_policy_by_hnd(p, r->in.connect_handle, (void**)(void *)&info))
3350 return NT_STATUS_INVALID_HANDLE;
3351
3352 /* win9x user manager likes to use SAMR_ACCESS_ENUM_DOMAINS here.
3353 Reverted that change so we will work with RAS servers again */
3354
3355 status = access_check_samr_function(info->acc_granted,
3356 SAMR_ACCESS_OPEN_DOMAIN,
3357 "_samr_LookupDomain");
3358 if (!NT_STATUS_IS_OK(status)) {
3359 return status;
3360 }
3361
3362 domain_name = r->in.domain_name->string;
3363 if (!domain_name) {
3364 return NT_STATUS_INVALID_PARAMETER;
3365 }
3366
3367 sid = TALLOC_ZERO_P(p->mem_ctx, struct dom_sid2);
3368 if (!sid) {
3369 return NT_STATUS_NO_MEMORY;
3370 }
3371
3372 if (strequal(domain_name, builtin_domain_name())) {
3373 sid_copy(sid, &global_sid_Builtin);
3374 } else {
3375 if (!secrets_fetch_domain_sid(domain_name, sid)) {
3376 status = NT_STATUS_NO_SUCH_DOMAIN;
3377 }
3378 }
3379
3380 DEBUG(2,("Returning domain sid for domain %s -> %s\n", domain_name,
3381 sid_string_dbg(sid)));
3382
3383 *r->out.sid = sid;
3384
3385 return status;
3386 }
3387
3388 /**********************************************************************
3389 _samr_EnumDomains
3390 **********************************************************************/
3391
3392 NTSTATUS _samr_EnumDomains(pipes_struct *p,
3393 struct samr_EnumDomains *r)
3394 {
3395 NTSTATUS status;
3396 struct samr_info *info;
3397 uint32_t num_entries = 2;
3398 struct samr_SamEntry *entry_array = NULL;
3399 struct samr_SamArray *sam;
3400
3401 if (!find_policy_by_hnd(p, r->in.connect_handle, (void**)(void *)&info))
3402 return NT_STATUS_INVALID_HANDLE;
3403
3404 status = access_check_samr_function(info->acc_granted,
3405 SAMR_ACCESS_ENUM_DOMAINS,
3406 "_samr_EnumDomains");
3407 if (!NT_STATUS_IS_OK(status)) {
3408 return status;
3409 }
3410
3411 sam = TALLOC_ZERO_P(p->mem_ctx, struct samr_SamArray);
3412 if (!sam) {
3413 return NT_STATUS_NO_MEMORY;
3414 }
3415
3416 entry_array = TALLOC_ZERO_ARRAY(p->mem_ctx,
3417 struct samr_SamEntry,
3418 num_entries);
3419 if (!entry_array) {
3420 return NT_STATUS_NO_MEMORY;
3421 }
3422
3423 entry_array[0].idx = 0;
3424 init_lsa_String(&entry_array[0].name, get_global_sam_name());
3425
3426 entry_array[1].idx = 1;
3427 init_lsa_String(&entry_array[1].name, "Builtin");
3428
3429 sam->count = num_entries;
3430 sam->entries = entry_array;
3431
3432 *r->out.sam = sam;
3433 *r->out.num_entries = num_entries;
3434
3435 return status;
3436 }
3437
3438 /*******************************************************************
3439 _samr_OpenAlias
3440 ********************************************************************/
3441
3442 NTSTATUS _samr_OpenAlias(pipes_struct *p,
3443 struct samr_OpenAlias *r)
3444 {
3445 DOM_SID sid;
3446 uint32 alias_rid = r->in.rid;
3447 struct samr_info *info = NULL;
3448 SEC_DESC *psd = NULL;
3449 uint32 acc_granted;
3450 uint32 des_access = r->in.access_mask;
3451 size_t sd_size;
3452 NTSTATUS status;
3453 SE_PRIV se_rights;
3454
3455 /* find the domain policy and get the SID / access bits stored in the domain policy */
3456
3457 if ( !get_lsa_policy_samr_sid(p, r->in.domain_handle, &sid, &acc_granted, NULL) )
3458 return NT_STATUS_INVALID_HANDLE;
3459
3460 status = access_check_samr_function(acc_granted,
3461 SAMR_DOMAIN_ACCESS_OPEN_ACCOUNT,
3462 "_samr_OpenAlias");
3463
3464 if ( !NT_STATUS_IS_OK(status) )
3465 return status;
3466
3467 /* append the alias' RID to it */
3468
3469 if (!sid_append_rid(&sid, alias_rid))
3470 return NT_STATUS_NO_SUCH_ALIAS;
3471
3472 /*check if access can be granted as requested by client. */
3473
3474 map_max_allowed_access(p->server_info->ptok, &des_access);
3475
3476 make_samr_object_sd(p->mem_ctx, &psd, &sd_size, &ali_generic_mapping, NULL, 0);
3477 se_map_generic(&des_access,&ali_generic_mapping);
3478
3479 se_priv_copy( &se_rights, &se_add_users );
3480
3481
3482 status = access_check_samr_object(psd, p->server_info->ptok,
3483 &se_rights, GENERIC_RIGHTS_ALIAS_WRITE, des_access,
3484 &acc_granted, "_samr_OpenAlias");
3485
3486 if ( !NT_STATUS_IS_OK(status) )
3487 return status;
3488
3489 {
3490 /* Check we actually have the requested alias */
3491 enum lsa_SidType type;
3492 bool result;
3493 gid_t gid;
3494
3495 become_root();
3496 result = lookup_sid(NULL, &sid, NULL, NULL, &type);
3497 unbecome_root();
3498
3499 if (!result || (type != SID_NAME_ALIAS)) {
3500 return NT_STATUS_NO_SUCH_ALIAS;
3501 }
3502
3503 /* make sure there is a mapping */
3504
3505 if ( !sid_to_gid( &sid, &gid ) ) {
3506 return NT_STATUS_NO_SUCH_ALIAS;
3507 }
3508
3509 }
3510
3511 /* associate the alias SID with the new handle. */
3512 if ((info = get_samr_info_by_sid(p->mem_ctx, &sid)) == NULL)
3513 return NT_STATUS_NO_MEMORY;
3514
3515 info->acc_granted = acc_granted;
3516
3517 /* get a (unique) handle. open a policy on it. */
3518 if (!create_policy_hnd(p, r->out.alias_handle, info))
3519 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
3520
3521 return NT_STATUS_OK;
3522 }
3523
3524 /*******************************************************************
3525 set_user_info_7
3526 ********************************************************************/
3527
3528 static NTSTATUS set_user_info_7(TALLOC_CTX *mem_ctx,
3529 struct samr_UserInfo7 *id7,
3530 struct samu *pwd)
3531 {
3532 NTSTATUS rc;
3533
3534 if (id7 == NULL) {
3535 DEBUG(5, ("set_user_info_7: NULL id7\n"));
3536 return NT_STATUS_ACCESS_DENIED;
3537 }
3538
3539 if (!id7->account_name.string) {
3540 DEBUG(5, ("set_user_info_7: failed to get new username\n"));
3541 return NT_STATUS_ACCESS_DENIED;
3542 }
3543
3544 /* check to see if the new username already exists. Note: we can't
3545 reliably lock all backends, so there is potentially the
3546 possibility that a user can be created in between this check and
3547 the rename. The rename should fail, but may not get the
3548 exact same failure status code. I think this is small enough
3549 of a window for this type of operation and the results are
3550 simply that the rename fails with a slightly different status
3551 code (like UNSUCCESSFUL instead of ALREADY_EXISTS). */
3552
3553 rc = can_create(mem_ctx, id7->account_name.string);
3554 if (!NT_STATUS_IS_OK(rc)) {
3555 return rc;
3556 }
3557
3558 rc = pdb_rename_sam_account(pwd, id7->account_name.string);
3559
3560 return rc;
3561 }
3562
3563 /*******************************************************************
3564 set_user_info_16
3565 ********************************************************************/
3566
3567 static bool set_user_info_16(struct samr_UserInfo16 *id16,
3568 struct samu *pwd)
3569 {
3570 if (id16 == NULL) {
3571 DEBUG(5, ("set_user_info_16: NULL id16\n"));
3572 return False;
3573 }
3574
3575 /* FIX ME: check if the value is really changed --metze */
3576 if (!pdb_set_acct_ctrl(pwd, id16->acct_flags, PDB_CHANGED)) {
3577 return False;
3578 }
3579
3580 if(!NT_STATUS_IS_OK(pdb_update_sam_account(pwd))) {
3581 return False;
3582 }
3583
3584 return True;
3585 }
3586
3587 /*******************************************************************
3588 set_user_info_18
3589 ********************************************************************/
3590
3591 static NTSTATUS set_user_info_18(struct samr_UserInfo18 *id18,
3592 TALLOC_CTX *mem_ctx,
3593 DATA_BLOB *session_key,
3594 struct samu *pwd)
3595 {
3596 if (id18 == NULL) {
3597 DEBUG(2, ("set_user_info_18: id18 is NULL\n"));
3598 return NT_STATUS_INVALID_PARAMETER;
3599 }
3600
3601 if (id18->nt_pwd_active || id18->lm_pwd_active) {
3602 if (!session_key->length) {
3603 return NT_STATUS_NO_USER_SESSION_KEY;
3604 }
3605 }
3606
3607 if (id18->nt_pwd_active) {
3608
3609 DATA_BLOB in, out;
3610
3611 in = data_blob_const(id18->nt_pwd.hash, 16);
3612 out = data_blob_talloc_zero(mem_ctx, 16);
3613
3614 sess_crypt_blob(&out, &in, session_key, false);
3615
3616 if (!pdb_set_nt_passwd(pwd, out.data, PDB_CHANGED)) {
3617 return NT_STATUS_ACCESS_DENIED;
3618 }
3619
3620 pdb_set_pass_last_set_time(pwd, time(NULL), PDB_CHANGED);
3621 }
3622
3623 if (id18->lm_pwd_active) {
3624
3625 DATA_BLOB in, out;
3626
3627 in = data_blob_const(id18->lm_pwd.hash, 16);
3628 out = data_blob_talloc_zero(mem_ctx, 16);
3629
3630 sess_crypt_blob(&out, &in, session_key, false);
3631
3632 if (!pdb_set_lanman_passwd(pwd, out.data, PDB_CHANGED)) {
3633 return NT_STATUS_ACCESS_DENIED;
3634 }
3635
3636 pdb_set_pass_last_set_time(pwd, time(NULL), PDB_CHANGED);
3637 }
3638
3639 copy_id18_to_sam_passwd(pwd, id18);
3640
3641 return pdb_update_sam_account(pwd);
3642 }
3643
3644 /*******************************************************************
3645 set_user_info_20
3646 ********************************************************************/
3647
3648 static bool set_user_info_20(struct samr_UserInfo20 *id20,
3649 struct samu *pwd)
3650 {
3651 if (id20 == NULL) {
3652 DEBUG(5, ("set_user_info_20: NULL id20\n"));
3653 return False;
3654 }
3655
3656 copy_id20_to_sam_passwd(pwd, id20);
3657
3658 /* write the change out */
3659 if(!NT_STATUS_IS_OK(pdb_update_sam_account(pwd))) {
3660 return False;
3661 }
3662
3663 return True;
3664 }
3665
3666 /*******************************************************************
3667 set_user_info_21
3668 ********************************************************************/
3669
3670 static NTSTATUS set_user_info_21(TALLOC_CTX *mem_ctx,
3671 struct samr_UserInfo21 *id21,
3672 struct samu *pwd)
3673 {
3674 NTSTATUS status;
3675
3676 if (id21 == NULL) {
3677 DEBUG(5, ("set_user_info_21: NULL id21\n"));
3678 return NT_STATUS_INVALID_PARAMETER;
3679 }
3680
3681 if (id21->fields_present == 0) {
3682 return NT_STATUS_INVALID_PARAMETER;
3683 }
3684
3685 if (id21->fields_present & SAMR_FIELD_LAST_PWD_CHANGE) {
3686 return NT_STATUS_ACCESS_DENIED;
3687 }
3688
3689 /* we need to separately check for an account rename first */
3690
3691 if (id21->account_name.string &&
3692 (!strequal(id21->account_name.string, pdb_get_username(pwd))))
3693 {
3694
3695 /* check to see if the new username already exists. Note: we can't
3696 reliably lock all backends, so there is potentially the
3697 possibility that a user can be created in between this check and
3698 the rename. The rename should fail, but may not get the
3699 exact same failure status code. I think this is small enough
3700 of a window for this type of operation and the results are
3701 simply that the rename fails with a slightly different status
3702 code (like UNSUCCESSFUL instead of ALREADY_EXISTS). */
3703
3704 status = can_create(mem_ctx, id21->account_name.string);
3705 if (!NT_STATUS_IS_OK(status)) {
3706 return status;
3707 }
3708
3709 status = pdb_rename_sam_account(pwd, id21->account_name.string);
3710
3711 if (!NT_STATUS_IS_OK(status)) {
3712 DEBUG(0,("set_user_info_21: failed to rename account: %s\n",
3713 nt_errstr(status)));
3714 return status;
3715 }
3716
3717 /* set the new username so that later
3718 functions can work on the new account */
3719 pdb_set_username(pwd, id21->account_name.string, PDB_SET);
3720 }
3721
3722 copy_id21_to_sam_passwd("INFO_21", pwd, id21);
3723
3724 /*
3725 * The funny part about the previous two calls is
3726 * that pwd still has the password hashes from the
3727 * passdb entry. These have not been updated from
3728 * id21. I don't know if they need to be set. --jerry
3729 */
3730
3731 if ( IS_SAM_CHANGED(pwd, PDB_GROUPSID) ) {
3732 status = pdb_set_unix_primary_group(mem_ctx, pwd);
3733 if ( !NT_STATUS_IS_OK(status) ) {
3734 return status;
3735 }
3736 }
3737
3738 /* Don't worry about writing out the user account since the
3739 primary group SID is generated solely from the user's Unix
3740 primary group. */
3741
3742 /* write the change out */
3743 if(!NT_STATUS_IS_OK(status = pdb_update_sam_account(pwd))) {
3744 return status;
3745 }
3746
3747 return NT_STATUS_OK;
3748 }
3749
3750 /*******************************************************************
3751 set_user_info_23
3752 ********************************************************************/
3753
3754 static NTSTATUS set_user_info_23(TALLOC_CTX *mem_ctx,
3755 struct samr_UserInfo23 *id23,
3756 struct samu *pwd)
3757 {
3758 char *plaintext_buf = NULL;
3759 uint32 len = 0;
3760 uint32_t acct_ctrl;
3761 NTSTATUS status;
3762
3763 if (id23 == NULL) {
3764 DEBUG(5, ("set_user_info_23: NULL id23\n"));
3765 return NT_STATUS_INVALID_PARAMETER;
3766 }
3767
3768 if (id23->info.fields_present == 0) {
3769 return NT_STATUS_INVALID_PARAMETER;
3770 }
3771
3772 if (id23->info.fields_present & SAMR_FIELD_LAST_PWD_CHANGE) {
3773 return NT_STATUS_ACCESS_DENIED;
3774 }
3775
3776 if ((id23->info.fields_present & SAMR_FIELD_NT_PASSWORD_PRESENT) ||
3777 (id23->info.fields_present & SAMR_FIELD_LM_PASSWORD_PRESENT)) {
3778
3779 DEBUG(5, ("Attempting administrator password change (level 23) for user %s\n",
3780 pdb_get_username(pwd)));
3781
3782 if (!decode_pw_buffer(mem_ctx,
3783 id23->password.data,
3784 &plaintext_buf,
3785 &len,
3786 STR_UNICODE)) {
3787 return NT_STATUS_WRONG_PASSWORD;
3788 }
3789
3790 if (!pdb_set_plaintext_passwd (pwd, plaintext_buf)) {
3791 return NT_STATUS_ACCESS_DENIED;
3792 }
3793 }
3794
3795 copy_id23_to_sam_passwd(pwd, id23);
3796
3797 acct_ctrl = pdb_get_acct_ctrl(pwd);
3798
3799 /* if it's a trust account, don't update /etc/passwd */
3800 if ( ( (acct_ctrl & ACB_DOMTRUST) == ACB_DOMTRUST ) ||
3801 ( (acct_ctrl & ACB_WSTRUST) == ACB_WSTRUST) ||
3802 ( (acct_ctrl & ACB_SVRTRUST) == ACB_SVRTRUST) ) {
3803 DEBUG(5, ("Changing trust account. Not updating /etc/passwd\n"));
3804 } else if (plaintext_buf) {
3805 /* update the UNIX password */
3806 if (lp_unix_password_sync() ) {
3807 struct passwd *passwd;
3808 if (pdb_get_username(pwd) == NULL) {
3809 DEBUG(1, ("chgpasswd: User without name???\n"));
3810 return NT_STATUS_ACCESS_DENIED;
3811 }
3812
3813 passwd = Get_Pwnam_alloc(pwd, pdb_get_username(pwd));
3814 if (passwd == NULL) {
3815 DEBUG(1, ("chgpasswd: Username does not exist in system !?!\n"));
3816 }
3817
3818 if(!chgpasswd(pdb_get_username(pwd), passwd, "", plaintext_buf, True)) {
3819 return NT_STATUS_ACCESS_DENIED;
3820 }
3821 TALLOC_FREE(passwd);
3822 }
3823 }
3824
3825 if (plaintext_buf) {
3826 memset(plaintext_buf, '\0', strlen(plaintext_buf));
3827 }
3828
3829 if (IS_SAM_CHANGED(pwd, PDB_GROUPSID) &&
3830 (!NT_STATUS_IS_OK(status = pdb_set_unix_primary_group(mem_ctx,
3831 pwd)))) {
3832 return status;
3833 }
3834
3835 if(!NT_STATUS_IS_OK(status = pdb_update_sam_account(pwd))) {
3836 return status;
3837 }
3838
3839 return NT_STATUS_OK;
3840 }
3841
3842 /*******************************************************************
3843 set_user_info_pw
3844 ********************************************************************/
3845
3846 static bool set_user_info_pw(uint8 *pass, struct samu *pwd)
3847 {
3848 uint32 len = 0;
3849 char *plaintext_buf = NULL;
3850 uint32 acct_ctrl;
3851
3852 DEBUG(5, ("Attempting administrator password change for user %s\n",
3853 pdb_get_username(pwd)));
3854
3855 acct_ctrl = pdb_get_acct_ctrl(pwd);
3856
3857 if (!decode_pw_buffer(talloc_tos(),
3858 pass,
3859 &plaintext_buf,
3860 &len,
3861 STR_UNICODE)) {
3862 return False;
3863 }
3864
3865 if (!pdb_set_plaintext_passwd (pwd, plaintext_buf)) {
3866 return False;
3867 }
3868
3869 /* if it's a trust account, don't update /etc/passwd */
3870 if ( ( (acct_ctrl & ACB_DOMTRUST) == ACB_DOMTRUST ) ||
3871 ( (acct_ctrl & ACB_WSTRUST) == ACB_WSTRUST) ||
3872 ( (acct_ctrl & ACB_SVRTRUST) == ACB_SVRTRUST) ) {
3873 DEBUG(5, ("Changing trust account or non-unix-user password, not updating /etc/passwd\n"));
3874 } else {
3875 /* update the UNIX password */
3876 if (lp_unix_password_sync()) {
3877 struct passwd *passwd;
3878
3879 if (pdb_get_username(pwd) == NULL) {
3880 DEBUG(1, ("chgpasswd: User without name???\n"));
3881 return False;
3882 }
3883
3884 passwd = Get_Pwnam_alloc(pwd, pdb_get_username(pwd));
3885 if (passwd == NULL) {
3886 DEBUG(1, ("chgpasswd: Username does not exist in system !?!\n"));
3887 }
3888
3889 if(!chgpasswd(pdb_get_username(pwd), passwd, "", plaintext_buf, True)) {
3890 return False;
3891 }
3892 TALLOC_FREE(passwd);
3893 }
3894 }
3895
3896 memset(plaintext_buf, '\0', strlen(plaintext_buf));
3897
3898 DEBUG(5,("set_user_info_pw: pdb_update_pwd()\n"));
3899
3900 return True;
3901 }
3902
3903 /*******************************************************************
3904 set_user_info_24
3905 ********************************************************************/
3906
3907 static NTSTATUS set_user_info_24(TALLOC_CTX *mem_ctx,
3908 struct samr_UserInfo24 *id24,
3909 struct samu *pwd)
3910 {
3911 NTSTATUS status;
3912
3913 if (id24 == NULL) {
3914 DEBUG(5, ("set_user_info_24: NULL id24\n"));
3915 return NT_STATUS_INVALID_PARAMETER;
3916 }
3917
3918 if (!set_user_info_pw(id24->password.data, pwd)) {
3919 return NT_STATUS_WRONG_PASSWORD;
3920 }
3921
3922 copy_id24_to_sam_passwd(pwd, id24);
3923
3924 status = pdb_update_sam_account(pwd);
3925 if (!NT_STATUS_IS_OK(status)) {
3926 return status;
3927 }
3928
3929 return NT_STATUS_OK;
3930 }
3931
3932 /*******************************************************************
3933 set_user_info_25
3934 ********************************************************************/
3935
3936 static NTSTATUS set_user_info_25(TALLOC_CTX *mem_ctx,
3937 struct samr_UserInfo25 *id25,
3938 struct samu *pwd)
3939 {
3940 NTSTATUS status;
3941
3942 if (id25 == NULL) {
3943 DEBUG(5, ("set_user_info_25: NULL id25\n"));
3944 return NT_STATUS_INVALID_PARAMETER;
3945 }
3946
3947 if (id25->info.fields_present == 0) {
3948 return NT_STATUS_INVALID_PARAMETER;
3949 }
3950
3951 if (id25->info.fields_present & SAMR_FIELD_LAST_PWD_CHANGE) {
3952 return NT_STATUS_ACCESS_DENIED;
3953 }
3954
3955 if ((id25->info.fields_present & SAMR_FIELD_NT_PASSWORD_PRESENT) ||
3956 (id25->info.fields_present & SAMR_FIELD_LM_PASSWORD_PRESENT)) {
3957
3958 if (!set_user_info_pw(id25->password.data, pwd)) {
3959 return NT_STATUS_WRONG_PASSWORD;
3960 }
3961 }
3962
3963 copy_id25_to_sam_passwd(pwd, id25);
3964
3965 /* write the change out */
3966 if(!NT_STATUS_IS_OK(status = pdb_update_sam_account(pwd))) {
3967 return status;
3968 }
3969
3970 /*
3971 * We need to "pdb_update_sam_account" before the unix primary group
3972 * is set, because the idealx scripts would also change the
3973 * sambaPrimaryGroupSid using the ldap replace method. pdb_ldap uses
3974 * the delete explicit / add explicit, which would then fail to find
3975 * the previous primaryGroupSid value.
3976 */
3977
3978 if ( IS_SAM_CHANGED(pwd, PDB_GROUPSID) ) {
3979 status = pdb_set_unix_primary_group(mem_ctx, pwd);
3980 if ( !NT_STATUS_IS_OK(status) ) {
3981 return status;
3982 }
3983 }
3984
3985 return NT_STATUS_OK;
3986 }
3987
3988 /*******************************************************************
3989 set_user_info_26
3990 ********************************************************************/
3991
3992 static NTSTATUS set_user_info_26(TALLOC_CTX *mem_ctx,
3993 struct samr_UserInfo26 *id26,
3994 struct samu *pwd)
3995 {
3996 NTSTATUS status;
3997
3998 if (id26 == NULL) {
3999 DEBUG(5, ("set_user_info_26: NULL id26\n"));
4000 return NT_STATUS_INVALID_PARAMETER;
4001 }
4002
4003 if (!set_user_info_pw(id26->password.data, pwd)) {
4004 return NT_STATUS_WRONG_PASSWORD;
4005 }
4006
4007 copy_id26_to_sam_passwd(pwd, id26);
4008
4009 status = pdb_update_sam_account(pwd);
4010 if (!NT_STATUS_IS_OK(status)) {
4011 return status;
4012 }
4013
4014 return NT_STATUS_OK;
4015 }
4016
4017
4018 /*******************************************************************
4019 samr_SetUserInfo
4020 ********************************************************************/
4021
4022 NTSTATUS _samr_SetUserInfo(pipes_struct *p,
4023 struct samr_SetUserInfo *r)
4024 {
4025 NTSTATUS status;
4026 struct samu *pwd = NULL;
4027 DOM_SID sid;
4028 union samr_UserInfo *info = r->in.info;
4029 uint16_t switch_value = r->in.level;
4030 uint32_t acc_granted;
4031 uint32_t acc_required;
4032 bool ret;
4033 bool has_enough_rights = False;
4034 uint32_t acb_info;
4035 DISP_INFO *disp_info = NULL;
4036
4037 DEBUG(5,("_samr_SetUserInfo: %d\n", __LINE__));
4038
4039 /* find the policy handle. open a policy on it. */
4040 if (!get_lsa_policy_samr_sid(p, r->in.user_handle, &sid, &acc_granted, &disp_info)) {
4041 return NT_STATUS_INVALID_HANDLE;
4042 }
4043
4044 /* This is tricky. A WinXP domain join sets
4045 (SAMR_USER_ACCESS_SET_PASSWORD|SAMR_USER_ACCESS_SET_ATTRIBUTES|SAMR_USER_ACCESS_GET_ATTRIBUTES)
4046 The MMC lusrmgr plugin includes these perms and more in the SamrOpenUser(). But the
4047 standard Win32 API calls just ask for SAMR_USER_ACCESS_SET_PASSWORD in the SamrOpenUser().
4048 This should be enough for levels 18, 24, 25,& 26. Info level 23 can set more so
4049 we'll use the set from the WinXP join as the basis. */
4050
4051 switch (switch_value) {
4052 case 18:
4053 case 24:
4054 case 25:
4055 case 26:
4056 acc_required = SAMR_USER_ACCESS_SET_PASSWORD;
4057 break;
4058 default:
4059 acc_required = SAMR_USER_ACCESS_SET_PASSWORD |
4060 SAMR_USER_ACCESS_SET_ATTRIBUTES |
4061 SAMR_USER_ACCESS_GET_ATTRIBUTES;
4062 break;
4063 }
4064
4065 status = access_check_samr_function(acc_granted,
4066 acc_required,
4067 "_samr_SetUserInfo");
4068 if (!NT_STATUS_IS_OK(status)) {
4069 return status;
4070 }
4071
4072 DEBUG(5, ("_samr_SetUserInfo: sid:%s, level:%d\n",
4073 sid_string_dbg(&sid), switch_value));
4074
4075 if (info == NULL) {
4076 DEBUG(5, ("_samr_SetUserInfo: NULL info level\n"));
4077 return NT_STATUS_INVALID_INFO_CLASS;
4078 }
4079
4080 if (!(pwd = samu_new(NULL))) {
4081 return NT_STATUS_NO_MEMORY;
4082 }
4083
4084 become_root();
4085 ret = pdb_getsampwsid(pwd, &sid);
4086 unbecome_root();
4087
4088 if (!ret) {
4089 TALLOC_FREE(pwd);
4090 return NT_STATUS_NO_SUCH_USER;
4091 }
4092
4093 /* deal with machine password changes differently from userinfo changes */
4094 /* check to see if we have the sufficient rights */
4095
4096 acb_info = pdb_get_acct_ctrl(pwd);
4097 if (acb_info & ACB_WSTRUST)
4098 has_enough_rights = user_has_privileges(p->server_info->ptok,
4099 &se_machine_account);
4100 else if (acb_info & ACB_NORMAL)
4101 has_enough_rights = user_has_privileges(p->server_info->ptok,
4102 &se_add_users);
4103 else if (acb_info & (ACB_SVRTRUST|ACB_DOMTRUST)) {
4104 if (lp_enable_privileges()) {
4105 has_enough_rights = nt_token_check_domain_rid(p->server_info->ptok,
4106 DOMAIN_GROUP_RID_ADMINS);
4107 }
4108 }
4109
4110 DEBUG(5, ("_samr_SetUserInfo: %s does%s possess sufficient rights\n",
4111 uidtoname(p->server_info->utok.uid),
4112 has_enough_rights ? "" : " not"));
4113
4114 /* ================ BEGIN SeMachineAccountPrivilege BLOCK ================ */
4115
4116 if (has_enough_rights) {
4117 become_root();
4118 }
4119
4120 /* ok! user info levels (lots: see MSDEV help), off we go... */
4121
4122 switch (switch_value) {
4123
4124 case 7:
4125 status = set_user_info_7(p->mem_ctx,
4126 &info->info7, pwd);
4127 break;
4128
4129 case 16:
4130 if (!set_user_info_16(&info->info16, pwd)) {
4131 status = NT_STATUS_ACCESS_DENIED;
4132 }
4133 break;
4134
4135 case 18:
4136 /* Used by AS/U JRA. */
4137 status = set_user_info_18(&info->info18,
4138 p->mem_ctx,
4139 &p->server_info->user_session_key,
4140 pwd);
4141 break;
4142
4143 case 20:
4144 if (!set_user_info_20(&info->info20, pwd)) {
4145 status = NT_STATUS_ACCESS_DENIED;
4146 }
4147 break;
4148
4149 case 21:
4150 status = set_user_info_21(p->mem_ctx,
4151 &info->info21, pwd);
4152 break;
4153
4154 case 23:
4155 if (!p->server_info->user_session_key.length) {
4156 status = NT_STATUS_NO_USER_SESSION_KEY;
4157 }
4158 SamOEMhashBlob(info->info23.password.data, 516,
4159 &p->server_info->user_session_key);
4160
4161 dump_data(100, info->info23.password.data, 516);
4162
4163 status = set_user_info_23(p->mem_ctx,
4164 &info->info23, pwd);
4165 break;
4166
4167 case 24:
4168 if (!p->server_info->user_session_key.length) {
4169 status = NT_STATUS_NO_USER_SESSION_KEY;
4170 }
4171 SamOEMhashBlob(info->info24.password.data,
4172 516,
4173 &p->server_info->user_session_key);
4174
4175 dump_data(100, info->info24.password.data, 516);
4176
4177 status = set_user_info_24(p->mem_ctx,
4178 &info->info24, pwd);
4179 break;
4180
4181 case 25:
4182 if (!p->server_info->user_session_key.length) {
4183 status = NT_STATUS_NO_USER_SESSION_KEY;
4184 }
4185 encode_or_decode_arc4_passwd_buffer(
4186 info->info25.password.data,
4187 &p->server_info->user_session_key);
4188
4189 dump_data(100, info->info25.password.data, 532);
4190
4191 status = set_user_info_25(p->mem_ctx,
4192 &info->info25, pwd);
4193 break;
4194
4195 case 26:
4196 if (!p->server_info->user_session_key.length) {
4197 status = NT_STATUS_NO_USER_SESSION_KEY;
4198 }
4199 encode_or_decode_arc4_passwd_buffer(
4200 info->info26.password.data,
4201 &p->server_info->user_session_key);
4202
4203 dump_data(100, info->info26.password.data, 516);
4204
4205 status = set_user_info_26(p->mem_ctx,
4206 &info->info26, pwd);
4207 break;
4208
4209 default:
4210 status = NT_STATUS_INVALID_INFO_CLASS;
4211 }
4212
4213 TALLOC_FREE(pwd);
4214
4215 if (has_enough_rights) {
4216 unbecome_root();
4217 }
4218
4219 /* ================ END SeMachineAccountPrivilege BLOCK ================ */
4220
4221 if (NT_STATUS_IS_OK(status)) {
4222 force_flush_samr_cache(disp_info);
4223 }
4224
4225 return status;
4226 }
4227
4228 /*******************************************************************
4229 _samr_SetUserInfo2
4230 ********************************************************************/
4231
4232 NTSTATUS _samr_SetUserInfo2(pipes_struct *p,
4233 struct samr_SetUserInfo2 *r)
4234 {
4235 struct samr_SetUserInfo q;
4236
4237 q.in.user_handle = r->in.user_handle;
4238 q.in.level = r->in.level;
4239 q.in.info = r->in.info;
4240
4241 return _samr_SetUserInfo(p, &q);
4242 }
4243
4244 /*********************************************************************
4245 _samr_GetAliasMembership
4246 *********************************************************************/
4247
4248 NTSTATUS _samr_GetAliasMembership(pipes_struct *p,
4249 struct samr_GetAliasMembership *r)
4250 {
4251 size_t num_alias_rids;
4252 uint32 *alias_rids;
4253 struct samr_info *info = NULL;
4254 size_t i;
4255
4256 NTSTATUS ntstatus1;
4257 NTSTATUS ntstatus2;
4258
4259 DOM_SID *members;
4260
4261 DEBUG(5,("_samr_GetAliasMembership: %d\n", __LINE__));
4262
4263 /* find the policy handle. open a policy on it. */
4264 if (!find_policy_by_hnd(p, r->in.domain_handle, (void **)(void *)&info))
4265 return NT_STATUS_INVALID_HANDLE;
4266
4267 ntstatus1 = access_check_samr_function(info->acc_granted,
4268 SAMR_DOMAIN_ACCESS_LOOKUP_ALIAS,
4269 "_samr_GetAliasMembership");
4270 ntstatus2 = access_check_samr_function(info->acc_granted,
4271 SAMR_DOMAIN_ACCESS_OPEN_ACCOUNT,
4272 "_samr_GetAliasMembership");
4273
4274 if (!NT_STATUS_IS_OK(ntstatus1) || !NT_STATUS_IS_OK(ntstatus2)) {
4275 if (!(NT_STATUS_EQUAL(ntstatus1,NT_STATUS_ACCESS_DENIED) && NT_STATUS_IS_OK(ntstatus2)) &&
4276 !(NT_STATUS_EQUAL(ntstatus1,NT_STATUS_ACCESS_DENIED) && NT_STATUS_IS_OK(ntstatus1))) {
4277 return (NT_STATUS_IS_OK(ntstatus1)) ? ntstatus2 : ntstatus1;
4278 }
4279 }
4280
4281 if (!sid_check_is_domain(&info->sid) &&
4282 !sid_check_is_builtin(&info->sid))
4283 return NT_STATUS_OBJECT_TYPE_MISMATCH;
4284
4285 if (r->in.sids->num_sids) {
4286 members = TALLOC_ARRAY(p->mem_ctx, DOM_SID, r->in.sids->num_sids);
4287
4288 if (members == NULL)
4289 return NT_STATUS_NO_MEMORY;
4290 } else {
4291 members = NULL;
4292 }
4293
4294 for (i=0; i<r->in.sids->num_sids; i++)
4295 sid_copy(&members[i], r->in.sids->sids[i].sid);
4296
4297 alias_rids = NULL;
4298 num_alias_rids = 0;
4299
4300 become_root();
4301 ntstatus1 = pdb_enum_alias_memberships(p->mem_ctx, &info->sid, members,
4302 r->in.sids->num_sids,
4303 &alias_rids, &num_alias_rids);
4304 unbecome_root();
4305
4306 if (!NT_STATUS_IS_OK(ntstatus1)) {
4307 return ntstatus1;
4308 }
4309
4310 r->out.rids->count = num_alias_rids;
4311 r->out.rids->ids = alias_rids;
4312
4313 return NT_STATUS_OK;
4314 }
4315
4316 /*********************************************************************
4317 _samr_GetMembersInAlias
4318 *********************************************************************/
4319
4320 NTSTATUS _samr_GetMembersInAlias(pipes_struct *p,
4321 struct samr_GetMembersInAlias *r)
4322 {
4323 NTSTATUS status;
4324 size_t i;
4325 size_t num_sids = 0;
4326 struct lsa_SidPtr *sids = NULL;
4327 DOM_SID *pdb_sids = NULL;
4328
4329 DOM_SID alias_sid;
4330
4331 uint32 acc_granted;
4332
4333 /* find the policy handle. open a policy on it. */
4334 if (!get_lsa_policy_samr_sid(p, r->in.alias_handle, &alias_sid, &acc_granted, NULL))
4335 return NT_STATUS_INVALID_HANDLE;
4336
4337 status = access_check_samr_function(acc_granted,
4338 SAMR_ALIAS_ACCESS_GET_MEMBERS,
4339 "_samr_GetMembersInAlias");
4340 if (!NT_STATUS_IS_OK(status)) {
4341 return status;
4342 }
4343
4344 DEBUG(10, ("sid is %s\n", sid_string_dbg(&alias_sid)));
4345
4346 become_root();
4347 status = pdb_enum_aliasmem(&alias_sid, &pdb_sids, &num_sids);
4348 unbecome_root();
4349
4350 if (!NT_STATUS_IS_OK(status)) {
4351 return status;
4352 }
4353
4354 if (num_sids) {
4355 sids = TALLOC_ZERO_ARRAY(p->mem_ctx, struct lsa_SidPtr, num_sids);
4356 if (sids == NULL) {
4357 TALLOC_FREE(pdb_sids);
4358 return NT_STATUS_NO_MEMORY;
4359 }
4360 }
4361
4362 for (i = 0; i < num_sids; i++) {
4363 sids[i].sid = sid_dup_talloc(p->mem_ctx, &pdb_sids[i]);
4364 if (!sids[i].sid) {
4365 TALLOC_FREE(pdb_sids);
4366 return NT_STATUS_NO_MEMORY;
4367 }
4368 }
4369
4370 r->out.sids->num_sids = num_sids;
4371 r->out.sids->sids = sids;
4372
4373 TALLOC_FREE(pdb_sids);
4374
4375 return NT_STATUS_OK;
4376 }
4377
4378 /*********************************************************************
4379 _samr_QueryGroupMember
4380 *********************************************************************/
4381
4382 NTSTATUS _samr_QueryGroupMember(pipes_struct *p,
4383 struct samr_QueryGroupMember *r)
4384 {
4385 DOM_SID group_sid;
4386 size_t i, num_members;
4387
4388 uint32 *rid=NULL;
4389 uint32 *attr=NULL;
4390
4391 uint32 acc_granted;
4392
4393 NTSTATUS status;
4394 struct samr_RidTypeArray *rids = NULL;
4395
4396 rids = TALLOC_ZERO_P(p->mem_ctx, struct samr_RidTypeArray);
4397 if (!rids) {
4398 return NT_STATUS_NO_MEMORY;
4399 }
4400
4401 /* find the policy handle. open a policy on it. */
4402 if (!get_lsa_policy_samr_sid(p, r->in.group_handle, &group_sid, &acc_granted, NULL))
4403 return NT_STATUS_INVALID_HANDLE;
4404
4405 status = access_check_samr_function(acc_granted,
4406 SAMR_GROUP_ACCESS_GET_MEMBERS,
4407 "_samr_QueryGroupMember");
4408 if (!NT_STATUS_IS_OK(status)) {
4409 return status;
4410 }
4411
4412 DEBUG(10, ("sid is %s\n", sid_string_dbg(&group_sid)));
4413
4414 if (!sid_check_is_in_our_domain(&group_sid)) {
4415 DEBUG(3, ("sid %s is not in our domain\n",
4416 sid_string_dbg(&group_sid)));
4417 return NT_STATUS_NO_SUCH_GROUP;
4418 }
4419
4420 DEBUG(10, ("lookup on Domain SID\n"));
4421
4422 become_root();
4423 status = pdb_enum_group_members(p->mem_ctx, &group_sid,
4424 &rid, &num_members);
4425 unbecome_root();
4426
4427 if (!NT_STATUS_IS_OK(status))
4428 return status;
4429
4430 if (num_members) {
4431 attr=TALLOC_ZERO_ARRAY(p->mem_ctx, uint32, num_members);
4432 if (attr == NULL) {
4433 return NT_STATUS_NO_MEMORY;
4434 }
4435 } else {
4436 attr = NULL;
4437 }
4438
4439 for (i=0; i<num_members; i++)
4440 attr[i] = SID_NAME_USER;
4441
4442 rids->count = num_members;
4443 rids->types = attr;
4444 rids->rids = rid;
4445
4446 *r->out.rids = rids;
4447
4448 return NT_STATUS_OK;
4449 }
4450
4451 /*********************************************************************
4452 _samr_AddAliasMember
4453 *********************************************************************/
4454
4455 NTSTATUS _samr_AddAliasMember(pipes_struct *p,
4456 struct samr_AddAliasMember *r)
4457 {
4458 DOM_SID alias_sid;
4459 uint32 acc_granted;
4460 SE_PRIV se_rights;
4461 bool can_add_accounts;
4462 NTSTATUS status;
4463 DISP_INFO *disp_info = NULL;
4464
4465 /* Find the policy handle. Open a policy on it. */
4466 if (!get_lsa_policy_samr_sid(p, r->in.alias_handle, &alias_sid, &acc_granted, &disp_info))
4467 return NT_STATUS_INVALID_HANDLE;
4468
4469 status = access_check_samr_function(acc_granted,
4470 SAMR_ALIAS_ACCESS_ADD_MEMBER,
4471 "_samr_AddAliasMember");
4472 if (!NT_STATUS_IS_OK(status)) {
4473 return status;
4474 }
4475
4476 DEBUG(10, ("sid is %s\n", sid_string_dbg(&alias_sid)));
4477
4478 se_priv_copy( &se_rights, &se_add_users );
4479 can_add_accounts = user_has_privileges( p->server_info->ptok, &se_rights );
4480
4481 /******** BEGIN SeAddUsers BLOCK *********/
4482
4483 if ( can_add_accounts )
4484 become_root();
4485
4486 status = pdb_add_aliasmem(&alias_sid, r->in.sid);
4487
4488 if ( can_add_accounts )
4489 unbecome_root();
4490
4491 /******** END SeAddUsers BLOCK *********/
4492
4493 if (NT_STATUS_IS_OK(status)) {
4494 force_flush_samr_cache(disp_info);
4495 }
4496
4497 return status;
4498 }
4499
4500 /*********************************************************************
4501 _samr_DeleteAliasMember
4502 *********************************************************************/
4503
4504 NTSTATUS _samr_DeleteAliasMember(pipes_struct *p,
4505 struct samr_DeleteAliasMember *r)
4506 {
4507 DOM_SID alias_sid;
4508 uint32 acc_granted;
4509 SE_PRIV se_rights;
4510 bool can_add_accounts;
4511 NTSTATUS status;
4512 DISP_INFO *disp_info = NULL;
4513
4514 /* Find the policy handle. Open a policy on it. */
4515 if (!get_lsa_policy_samr_sid(p, r->in.alias_handle, &alias_sid, &acc_granted, &disp_info))
4516 return NT_STATUS_INVALID_HANDLE;
4517
4518 status = access_check_samr_function(acc_granted,
4519 SAMR_ALIAS_ACCESS_REMOVE_MEMBER,
4520 "_samr_DeleteAliasMember");
4521 if (!NT_STATUS_IS_OK(status)) {
4522 return status;
4523 }
4524
4525 DEBUG(10, ("_samr_del_aliasmem:sid is %s\n",
4526 sid_string_dbg(&alias_sid)));
4527
4528 se_priv_copy( &se_rights, &se_add_users );
4529 can_add_accounts = user_has_privileges( p->server_info->ptok, &se_rights );
4530
4531 /******** BEGIN SeAddUsers BLOCK *********/
4532
4533 if ( can_add_accounts )
4534 become_root();
4535
4536 status = pdb_del_aliasmem(&alias_sid, r->in.sid);
4537
4538 if ( can_add_accounts )
4539 unbecome_root();
4540
4541 /******** END SeAddUsers BLOCK *********/
4542
4543 if (NT_STATUS_IS_OK(status)) {
4544 force_flush_samr_cache(disp_info);
4545 }
4546
4547 return status;
4548 }
4549
4550 /*********************************************************************
4551 _samr_AddGroupMember
4552 *********************************************************************/
4553
4554 NTSTATUS _samr_AddGroupMember(pipes_struct *p,
4555 struct samr_AddGroupMember *r)
4556 {
4557 NTSTATUS status;
4558 DOM_SID group_sid;
4559 uint32 group_rid;
4560 uint32 acc_granted;
4561 SE_PRIV se_rights;
4562 bool can_add_accounts;
4563 DISP_INFO *disp_info = NULL;
4564
4565 /* Find the policy handle. Open a policy on it. */
4566 if (!get_lsa_policy_samr_sid(p, r->in.group_handle, &group_sid, &acc_granted, &disp_info))
4567 return NT_STATUS_INVALID_HANDLE;
4568
4569 status = access_check_samr_function(acc_granted,
4570 SAMR_GROUP_ACCESS_ADD_MEMBER,
4571 "_samr_AddGroupMember");
4572 if (!NT_STATUS_IS_OK(status)) {
4573 return status;
4574 }
4575
4576 DEBUG(10, ("sid is %s\n", sid_string_dbg(&group_sid)));
4577
4578 if (!sid_peek_check_rid(get_global_sam_sid(), &group_sid,
4579 &group_rid)) {
4580 return NT_STATUS_INVALID_HANDLE;
4581 }
4582
4583 se_priv_copy( &se_rights, &se_add_users );
4584 can_add_accounts = user_has_privileges( p->server_info->ptok, &se_rights );
4585
4586 /******** BEGIN SeAddUsers BLOCK *********/
4587
4588 if ( can_add_accounts )
4589 become_root();
4590
4591 status = pdb_add_groupmem(p->mem_ctx, group_rid, r->in.rid);
4592
4593 if ( can_add_accounts )
4594 unbecome_root();
4595
4596 /******** END SeAddUsers BLOCK *********/
4597
4598 force_flush_samr_cache(disp_info);
4599
4600 return status;
4601 }
4602
4603 /*********************************************************************
4604 _samr_DeleteGroupMember
4605 *********************************************************************/
4606
4607 NTSTATUS _samr_DeleteGroupMember(pipes_struct *p,
4608 struct samr_DeleteGroupMember *r)
4609
4610 {
4611 NTSTATUS status;
4612 DOM_SID group_sid;
4613 uint32 group_rid;
4614 uint32 acc_granted;
4615 SE_PRIV se_rights;
4616 bool can_add_accounts;
4617 DISP_INFO *disp_info = NULL;
4618
4619 /*
4620 * delete the group member named r->in.rid
4621 * who is a member of the sid associated with the handle
4622 * the rid is a user's rid as the group is a domain group.
4623 */
4624
4625 /* Find the policy handle. Open a policy on it. */
4626 if (!get_lsa_policy_samr_sid(p, r->in.group_handle, &group_sid, &acc_granted, &disp_info))
4627 return NT_STATUS_INVALID_HANDLE;
4628
4629 status = access_check_samr_function(acc_granted,
4630 SAMR_GROUP_ACCESS_REMOVE_MEMBER,
4631 "_samr_DeleteGroupMember");
4632 if (!NT_STATUS_IS_OK(status)) {
4633 return status;
4634 }
4635
4636 if (!sid_peek_check_rid(get_global_sam_sid(), &group_sid,
4637 &group_rid)) {
4638 return NT_STATUS_INVALID_HANDLE;
4639 }
4640
4641 se_priv_copy( &se_rights, &se_add_users );
4642 can_add_accounts = user_has_privileges( p->server_info->ptok, &se_rights );
4643
4644 /******** BEGIN SeAddUsers BLOCK *********/
4645
4646 if ( can_add_accounts )
4647 become_root();
4648
4649 status = pdb_del_groupmem(p->mem_ctx, group_rid, r->in.rid);
4650
4651 if ( can_add_accounts )
4652 unbecome_root();
4653
4654 /******** END SeAddUsers BLOCK *********/
4655
4656 force_flush_samr_cache(disp_info);
4657
4658 return status;
4659 }
4660
4661 /*********************************************************************
4662 _samr_DeleteUser
4663 *********************************************************************/
4664
4665 NTSTATUS _samr_DeleteUser(pipes_struct *p,
4666 struct samr_DeleteUser *r)
4667 {
4668 NTSTATUS status;
4669 DOM_SID user_sid;
4670 struct samu *sam_pass=NULL;
4671 uint32 acc_granted;
4672 bool can_add_accounts;
4673 uint32 acb_info;
4674 DISP_INFO *disp_info = NULL;
4675 bool ret;
4676
4677 DEBUG(5, ("_samr_DeleteUser: %d\n", __LINE__));
4678
4679 /* Find the policy handle. Open a policy on it. */
4680 if (!get_lsa_policy_samr_sid(p, r->in.user_handle, &user_sid, &acc_granted, &disp_info))
4681 return NT_STATUS_INVALID_HANDLE;
4682
4683 status = access_check_samr_function(acc_granted,
4684 STD_RIGHT_DELETE_ACCESS,
4685 "_samr_DeleteUser");
4686 if (!NT_STATUS_IS_OK(status)) {
4687 return status;
4688 }
4689
4690 if (!sid_check_is_in_our_domain(&user_sid))
4691 return NT_STATUS_CANNOT_DELETE;
4692
4693 /* check if the user exists before trying to delete */
4694 if ( !(sam_pass = samu_new( NULL )) ) {
4695 return NT_STATUS_NO_MEMORY;
4696 }
4697
4698 become_root();
4699 ret = pdb_getsampwsid(sam_pass, &user_sid);
4700 unbecome_root();
4701
4702 if( !ret ) {
4703 DEBUG(5,("_samr_DeleteUser: User %s doesn't exist.\n",
4704 sid_string_dbg(&user_sid)));
4705 TALLOC_FREE(sam_pass);
4706 return NT_STATUS_NO_SUCH_USER;
4707 }
4708
4709 acb_info = pdb_get_acct_ctrl(sam_pass);
4710
4711 /* For machine accounts it's the SeMachineAccountPrivilege that counts. */
4712 if ( acb_info & ACB_WSTRUST ) {
4713 can_add_accounts = user_has_privileges( p->server_info->ptok, &se_machine_account );
4714 } else {
4715 can_add_accounts = user_has_privileges( p->server_info->ptok, &se_add_users );
4716 }
4717
4718 /******** BEGIN SeAddUsers BLOCK *********/
4719
4720 if ( can_add_accounts )
4721 become_root();
4722
4723 status = pdb_delete_user(p->mem_ctx, sam_pass);
4724
4725 if ( can_add_accounts )
4726 unbecome_root();
4727
4728 /******** END SeAddUsers BLOCK *********/
4729
4730 if ( !NT_STATUS_IS_OK(status) ) {
4731 DEBUG(5,("_samr_DeleteUser: Failed to delete entry for "
4732 "user %s: %s.\n", pdb_get_username(sam_pass),
4733 nt_errstr(status)));
4734 TALLOC_FREE(sam_pass);
4735 return status;
4736 }
4737
4738
4739 TALLOC_FREE(sam_pass);
4740
4741 if (!close_policy_hnd(p, r->in.user_handle))
4742 return NT_STATUS_OBJECT_NAME_INVALID;
4743
4744 ZERO_STRUCTP(r->out.user_handle);
4745
4746 force_flush_samr_cache(disp_info);
4747
4748 return NT_STATUS_OK;
4749 }
4750
4751 /*********************************************************************
4752 _samr_DeleteDomainGroup
4753 *********************************************************************/
4754
4755 NTSTATUS _samr_DeleteDomainGroup(pipes_struct *p,
4756 struct samr_DeleteDomainGroup *r)
4757 {
4758 NTSTATUS status;
4759 DOM_SID group_sid;
4760 uint32 group_rid;
4761 uint32 acc_granted;
4762 SE_PRIV se_rights;
4763 bool can_add_accounts;
4764 DISP_INFO *disp_info = NULL;
4765
4766 DEBUG(5, ("samr_DeleteDomainGroup: %d\n", __LINE__));
4767
4768 /* Find the policy handle. Open a policy on it. */
4769 if (!get_lsa_policy_samr_sid(p, r->in.group_handle, &group_sid, &acc_granted, &disp_info))
4770 return NT_STATUS_INVALID_HANDLE;
4771
4772 status = access_check_samr_function(acc_granted,
4773 STD_RIGHT_DELETE_ACCESS,
4774 "_samr_DeleteDomainGroup");
4775 if (!NT_STATUS_IS_OK(status)) {
4776 return status;
4777 }
4778
4779 DEBUG(10, ("sid is %s\n", sid_string_dbg(&group_sid)));
4780
4781 if (!sid_peek_check_rid(get_global_sam_sid(), &group_sid,
4782 &group_rid)) {
4783 return NT_STATUS_NO_SUCH_GROUP;
4784 }
4785
4786 se_priv_copy( &se_rights, &se_add_users );
4787 can_add_accounts = user_has_privileges( p->server_info->ptok, &se_rights );
4788
4789 /******** BEGIN SeAddUsers BLOCK *********/
4790
4791 if ( can_add_accounts )
4792 become_root();
4793
4794 status = pdb_delete_dom_group(p->mem_ctx, group_rid);
4795
4796 if ( can_add_accounts )
4797 unbecome_root();
4798
4799 /******** END SeAddUsers BLOCK *********/
4800
4801 if ( !NT_STATUS_IS_OK(status) ) {
4802 DEBUG(5,("_samr_DeleteDomainGroup: Failed to delete mapping "
4803 "entry for group %s: %s\n",
4804 sid_string_dbg(&group_sid),
4805 nt_errstr(status)));
4806 return status;
4807 }
4808
4809 if (!close_policy_hnd(p, r->in.group_handle))
4810 return NT_STATUS_OBJECT_NAME_INVALID;
4811
4812 force_flush_samr_cache(disp_info);
4813
4814 return NT_STATUS_OK;
4815 }
4816
4817 /*********************************************************************
4818 _samr_DeleteDomAlias
4819 *********************************************************************/
4820
4821 NTSTATUS _samr_DeleteDomAlias(pipes_struct *p,
4822 struct samr_DeleteDomAlias *r)
4823 {
4824 DOM_SID alias_sid;
4825 uint32 acc_granted;
4826 SE_PRIV se_rights;
4827 bool can_add_accounts;
4828 NTSTATUS status;
4829 DISP_INFO *disp_info = NULL;
4830
4831 DEBUG(5, ("_samr_DeleteDomAlias: %d\n", __LINE__));
4832
4833 /* Find the policy handle. Open a policy on it. */
4834 if (!get_lsa_policy_samr_sid(p, r->in.alias_handle, &alias_sid, &acc_granted, &disp_info))
4835 return NT_STATUS_INVALID_HANDLE;
4836
4837 /* copy the handle to the outgoing reply */
4838
4839 memcpy(r->out.alias_handle, r->in.alias_handle, sizeof(r->out.alias_handle));
4840
4841 status = access_check_samr_function(acc_granted,
4842 STD_RIGHT_DELETE_ACCESS,
4843 "_samr_DeleteDomAlias");
4844 if (!NT_STATUS_IS_OK(status)) {
4845 return status;
4846 }
4847
4848 DEBUG(10, ("sid is %s\n", sid_string_dbg(&alias_sid)));
4849
4850 /* Don't let Windows delete builtin groups */
4851
4852 if ( sid_check_is_in_builtin( &alias_sid ) ) {
4853 return NT_STATUS_SPECIAL_ACCOUNT;
4854 }
4855
4856 if (!sid_check_is_in_our_domain(&alias_sid))
4857 return NT_STATUS_NO_SUCH_ALIAS;
4858
4859 DEBUG(10, ("lookup on Local SID\n"));
4860
4861 se_priv_copy( &se_rights, &se_add_users );
4862 can_add_accounts = user_has_privileges( p->server_info->ptok, &se_rights );
4863
4864 /******** BEGIN SeAddUsers BLOCK *********/
4865
4866 if ( can_add_accounts )
4867 become_root();
4868
4869 /* Have passdb delete the alias */
4870 status = pdb_delete_alias(&alias_sid);
4871
4872 if ( can_add_accounts )
4873 unbecome_root();
4874
4875 /******** END SeAddUsers BLOCK *********/
4876
4877 if ( !NT_STATUS_IS_OK(status))
4878 return status;
4879
4880 if (!close_policy_hnd(p, r->in.alias_handle))
4881 return NT_STATUS_OBJECT_NAME_INVALID;
4882
4883 force_flush_samr_cache(disp_info);
4884
4885 return NT_STATUS_OK;
4886 }
4887
4888 /*********************************************************************
4889 _samr_CreateDomainGroup
4890 *********************************************************************/
4891
4892 NTSTATUS _samr_CreateDomainGroup(pipes_struct *p,
4893 struct samr_CreateDomainGroup *r)
4894
4895 {
4896 NTSTATUS status;
4897 DOM_SID dom_sid;
4898 DOM_SID info_sid;
4899 const char *name;
4900 struct samr_info *info;
4901 uint32 acc_granted;
4902 SE_PRIV se_rights;
4903 bool can_add_accounts;
4904 DISP_INFO *disp_info = NULL;
4905
4906 /* Find the policy handle. Open a policy on it. */
4907 if (!get_lsa_policy_samr_sid(p, r->in.domain_handle, &dom_sid, &acc_granted, &disp_info))
4908 return NT_STATUS_INVALID_HANDLE;
4909
4910 status = access_check_samr_function(acc_granted,
4911 SAMR_DOMAIN_ACCESS_CREATE_GROUP,
4912 "_samr_CreateDomainGroup");
4913 if (!NT_STATUS_IS_OK(status)) {
4914 return status;
4915 }
4916
4917 if (!sid_equal(&dom_sid, get_global_sam_sid()))
4918 return NT_STATUS_ACCESS_DENIED;
4919
4920 name = r->in.name->string;
4921 if (name == NULL) {
4922 return NT_STATUS_NO_MEMORY;
4923 }
4924
4925 status = can_create(p->mem_ctx, name);
4926 if (!NT_STATUS_IS_OK(status)) {
4927 return status;
4928 }
4929
4930 se_priv_copy( &se_rights, &se_add_users );
4931 can_add_accounts = user_has_privileges( p->server_info->ptok, &se_rights );
4932
4933 /******** BEGIN SeAddUsers BLOCK *********/
4934
4935 if ( can_add_accounts )
4936 become_root();
4937
4938 /* check that we successfully create the UNIX group */
4939
4940 status = pdb_create_dom_group(p->mem_ctx, name, r->out.rid);
4941
4942 if ( can_add_accounts )
4943 unbecome_root();
4944
4945 /******** END SeAddUsers BLOCK *********/
4946
4947 /* check if we should bail out here */
4948
4949 if ( !NT_STATUS_IS_OK(status) )
4950 return status;
4951
4952 sid_compose(&info_sid, get_global_sam_sid(), *r->out.rid);
4953
4954 if ((info = get_samr_info_by_sid(p->mem_ctx, &info_sid)) == NULL)
4955 return NT_STATUS_NO_MEMORY;
4956
4957 /* they created it; let the user do what he wants with it */
4958
4959 info->acc_granted = GENERIC_RIGHTS_GROUP_ALL_ACCESS;
4960
4961 /* get a (unique) handle. open a policy on it. */
4962 if (!create_policy_hnd(p, r->out.group_handle, info))
4963 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
4964
4965 force_flush_samr_cache(disp_info);
4966
4967 return NT_STATUS_OK;
4968 }
4969
4970 /*********************************************************************
4971 _samr_CreateDomAlias
4972 *********************************************************************/
4973
4974 NTSTATUS _samr_CreateDomAlias(pipes_struct *p,
4975 struct samr_CreateDomAlias *r)
4976 {
4977 DOM_SID dom_sid;
4978 DOM_SID info_sid;
4979 const char *name = NULL;
4980 struct samr_info *info;
4981 uint32 acc_granted;
4982 gid_t gid;
4983 NTSTATUS result;
4984 SE_PRIV se_rights;
4985 bool can_add_accounts;
4986 DISP_INFO *disp_info = NULL;
4987
4988 /* Find the policy handle. Open a policy on it. */
4989 if (!get_lsa_policy_samr_sid(p, r->in.domain_handle, &dom_sid, &acc_granted, &disp_info))
4990 return NT_STATUS_INVALID_HANDLE;
4991
4992 result = access_check_samr_function(acc_granted,
4993 SAMR_DOMAIN_ACCESS_CREATE_ALIAS,
4994 "_samr_CreateDomAlias");
4995 if (!NT_STATUS_IS_OK(result)) {
4996 return result;
4997 }
4998
4999 if (!sid_equal(&dom_sid, get_global_sam_sid()))
5000 return NT_STATUS_ACCESS_DENIED;
5001
5002 name = r->in.alias_name->string;
5003
5004 se_priv_copy( &se_rights, &se_add_users );
5005 can_add_accounts = user_has_privileges( p->server_info->ptok, &se_rights );
5006
5007 result = can_create(p->mem_ctx, name);
5008 if (!NT_STATUS_IS_OK(result)) {
5009 return result;
5010 }
5011
5012 /******** BEGIN SeAddUsers BLOCK *********/
5013
5014 if ( can_add_accounts )
5015 become_root();
5016
5017 /* Have passdb create the alias */
5018 result = pdb_create_alias(name, r->out.rid);
5019
5020 if ( can_add_accounts )
5021 unbecome_root();
5022
5023 /******** END SeAddUsers BLOCK *********/
5024
5025 if (!NT_STATUS_IS_OK(result)) {
5026 DEBUG(10, ("pdb_create_alias failed: %s\n",
5027 nt_errstr(result)));
5028 return result;
5029 }
5030
5031 sid_copy(&info_sid, get_global_sam_sid());
5032 sid_append_rid(&info_sid, *r->out.rid);
5033
5034 if (!sid_to_gid(&info_sid, &gid)) {
5035 DEBUG(10, ("Could not find alias just created\n"));
5036 return NT_STATUS_ACCESS_DENIED;
5037 }
5038
5039 /* check if the group has been successfully created */
5040 if ( getgrgid(gid) == NULL ) {
5041 DEBUG(10, ("getgrgid(%d) of just created alias failed\n",
5042 gid));
5043 return NT_STATUS_ACCESS_DENIED;
5044 }
5045
5046 if ((info = get_samr_info_by_sid(p->mem_ctx, &info_sid)) == NULL)
5047 return NT_STATUS_NO_MEMORY;
5048
5049 /* they created it; let the user do what he wants with it */
5050
5051 info->acc_granted = GENERIC_RIGHTS_ALIAS_ALL_ACCESS;
5052
5053 /* get a (unique) handle. open a policy on it. */
5054 if (!create_policy_hnd(p, r->out.alias_handle, info))
5055 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
5056
5057 force_flush_samr_cache(disp_info);
5058
5059 return NT_STATUS_OK;
5060 }
5061
5062 /*********************************************************************
5063 _samr_QueryGroupInfo
5064 *********************************************************************/
5065
5066 NTSTATUS _samr_QueryGroupInfo(pipes_struct *p,
5067 struct samr_QueryGroupInfo *r)
5068 {
5069 NTSTATUS status;
5070 DOM_SID group_sid;
5071 GROUP_MAP map;
5072 union samr_GroupInfo *info = NULL;
5073 uint32 acc_granted;
5074 bool ret;
5075 uint32_t attributes = SE_GROUP_MANDATORY |
5076 SE_GROUP_ENABLED_BY_DEFAULT |
5077 SE_GROUP_ENABLED;
5078 const char *group_name = NULL;
5079 const char *group_description = NULL;
5080
5081 if (!get_lsa_policy_samr_sid(p, r->in.group_handle, &group_sid, &acc_granted, NULL))
5082 return NT_STATUS_INVALID_HANDLE;
5083
5084 status = access_check_samr_function(acc_granted,
5085 SAMR_GROUP_ACCESS_LOOKUP_INFO,
5086 "_samr_QueryGroupInfo");
5087 if (!NT_STATUS_IS_OK(status)) {
5088 return status;
5089 }
5090
5091 become_root();
5092 ret = get_domain_group_from_sid(group_sid, &map);
5093 unbecome_root();
5094 if (!ret)
5095 return NT_STATUS_INVALID_HANDLE;
5096
5097 /* FIXME: map contains fstrings */
5098 group_name = talloc_strdup(r, map.nt_name);
5099 group_description = talloc_strdup(r, map.comment);
5100
5101 info = TALLOC_ZERO_P(p->mem_ctx, union samr_GroupInfo);
5102 if (!info) {
5103 return NT_STATUS_NO_MEMORY;
5104 }
5105
5106 switch (r->in.level) {
5107 case 1: {
5108 uint32 *members;
5109 size_t num_members;
5110
5111 become_root();
5112 status = pdb_enum_group_members(
5113 p->mem_ctx, &group_sid, &members, &num_members);
5114 unbecome_root();
5115
5116 if (!NT_STATUS_IS_OK(status)) {
5117 return status;
5118 }
5119
5120 info->all.name.string = group_name;
5121 info->all.attributes = attributes;
5122 info->all.num_members = num_members;
5123 info->all.description.string = group_description;
5124 break;
5125 }
5126 case 2:
5127 info->name.string = group_name;
5128 break;
5129 case 3:
5130 info->attributes.attributes = attributes;
5131 break;
5132 case 4:
5133 info->description.string = group_description;
5134 break;
5135 case 5: {
5136 /*
5137 uint32 *members;
5138 size_t num_members;
5139 */
5140
5141 /*
5142 become_root();
5143 status = pdb_enum_group_members(
5144 p->mem_ctx, &group_sid, &members, &num_members);
5145 unbecome_root();
5146
5147 if (!NT_STATUS_IS_OK(status)) {
5148 return status;
5149 }
5150 */
5151 info->all2.name.string = group_name;
5152 info->all2.attributes = attributes;
5153 info->all2.num_members = 0; /* num_members - in w2k3 this is always 0 */
5154 info->all2.description.string = group_description;
5155
5156 break;
5157 }
5158 default:
5159 return NT_STATUS_INVALID_INFO_CLASS;
5160 }
5161
5162 *r->out.info = info;
5163
5164 return NT_STATUS_OK;
5165 }
5166
5167 /*********************************************************************
5168 _samr_SetGroupInfo
5169 *********************************************************************/
5170
5171 NTSTATUS _samr_SetGroupInfo(pipes_struct *p,
5172 struct samr_SetGroupInfo *r)
5173 {
5174 DOM_SID group_sid;
5175 GROUP_MAP map;
5176 uint32 acc_granted;
5177 NTSTATUS status;
5178 bool ret;
5179 bool can_mod_accounts;
5180 DISP_INFO *disp_info = NULL;
5181
5182 if (!get_lsa_policy_samr_sid(p, r->in.group_handle, &group_sid, &acc_granted, &disp_info))
5183 return NT_STATUS_INVALID_HANDLE;
5184
5185 status = access_check_samr_function(acc_granted,
5186 SAMR_GROUP_ACCESS_SET_INFO,
5187 "_samr_SetGroupInfo");
5188 if (!NT_STATUS_IS_OK(status)) {
5189 return status;
5190 }
5191
5192 become_root();
5193 ret = get_domain_group_from_sid(group_sid, &map);
5194 unbecome_root();
5195 if (!ret)
5196 return NT_STATUS_NO_SUCH_GROUP;
5197
5198 switch (r->in.level) {
5199 case 1:
5200 fstrcpy(map.comment, r->in.info->all.description.string);
5201 break;
5202 case 2:
5203 /* group rename is not supported yet */
5204 return NT_STATUS_NOT_SUPPORTED;
5205 case 4:
5206 fstrcpy(map.comment, r->in.info->description.string);
5207 break;
5208 default:
5209 return NT_STATUS_INVALID_INFO_CLASS;
5210 }
5211
5212 can_mod_accounts = user_has_privileges( p->server_info->ptok, &se_add_users );
5213
5214 /******** BEGIN SeAddUsers BLOCK *********/
5215
5216 if ( can_mod_accounts )
5217 become_root();
5218
5219 status = pdb_update_group_mapping_entry(&map);
5220
5221 if ( can_mod_accounts )
5222 unbecome_root();
5223
5224 /******** End SeAddUsers BLOCK *********/
5225
5226 if (NT_STATUS_IS_OK(status)) {
5227 force_flush_samr_cache(disp_info);
5228 }
5229
5230 return status;
5231 }
5232
5233 /*********************************************************************
5234 _samr_SetAliasInfo
5235 *********************************************************************/
5236
5237 NTSTATUS _samr_SetAliasInfo(pipes_struct *p,
5238 struct samr_SetAliasInfo *r)
5239 {
5240 DOM_SID group_sid;
5241 struct acct_info info;
5242 uint32 acc_granted;
5243 bool can_mod_accounts;
5244 NTSTATUS status;
5245 DISP_INFO *disp_info = NULL;
5246
5247 if (!get_lsa_policy_samr_sid(p, r->in.alias_handle, &group_sid, &acc_granted, &disp_info))
5248 return NT_STATUS_INVALID_HANDLE;
5249
5250 status = access_check_samr_function(acc_granted,
5251 SAMR_ALIAS_ACCESS_SET_INFO,
5252 "_samr_SetAliasInfo");
5253 if (!NT_STATUS_IS_OK(status)) {
5254 return status;
5255 }
5256
5257 /* get the current group information */
5258
5259 become_root();
5260 status = pdb_get_aliasinfo( &group_sid, &info );
5261 unbecome_root();
5262
5263 if ( !NT_STATUS_IS_OK(status))
5264 return status;
5265
5266 switch (r->in.level) {
5267 case ALIASINFONAME:
5268 {
5269 fstring group_name;
5270
5271 /* We currently do not support renaming groups in the
5272 the BUILTIN domain. Refer to util_builtin.c to understand
5273 why. The eventually needs to be fixed to be like Windows
5274 where you can rename builtin groups, just not delete them */
5275
5276 if ( sid_check_is_in_builtin( &group_sid ) ) {
5277 return NT_STATUS_SPECIAL_ACCOUNT;
5278 }
5279
5280 /* There has to be a valid name (and it has to be different) */
5281
5282 if ( !r->in.info->name.string )
5283 return NT_STATUS_INVALID_PARAMETER;
5284
5285 /* If the name is the same just reply "ok". Yes this
5286 doesn't allow you to change the case of a group name. */
5287
5288 if ( strequal( r->in.info->name.string, info.acct_name ) )
5289 return NT_STATUS_OK;
5290
5291 fstrcpy( info.acct_name, r->in.info->name.string);
5292
5293 /* make sure the name doesn't already exist as a user
5294 or local group */
5295
5296 fstr_sprintf( group_name, "%s\\%s", global_myname(), info.acct_name );
5297 status = can_create( p->mem_ctx, group_name );
5298 if ( !NT_STATUS_IS_OK( status ) )
5299 return status;
5300 break;
5301 }
5302 case ALIASINFODESCRIPTION:
5303 if (r->in.info->description.string) {
5304 fstrcpy(info.acct_desc,
5305 r->in.info->description.string);
5306 } else {
5307 fstrcpy( info.acct_desc, "" );
5308 }
5309 break;
5310 default:
5311 return NT_STATUS_INVALID_INFO_CLASS;
5312 }
5313
5314 can_mod_accounts = user_has_privileges( p->server_info->ptok, &se_add_users );
5315
5316 /******** BEGIN SeAddUsers BLOCK *********/
5317
5318 if ( can_mod_accounts )
5319 become_root();
5320
5321 status = pdb_set_aliasinfo( &group_sid, &info );
5322
5323 if ( can_mod_accounts )
5324 unbecome_root();
5325
5326 /******** End SeAddUsers BLOCK *********/
5327
5328 if (NT_STATUS_IS_OK(status))
5329 force_flush_samr_cache(disp_info);
5330
5331 return status;
5332 }
5333
5334 /****************************************************************
5335 _samr_GetDomPwInfo
5336 ****************************************************************/
5337
5338 NTSTATUS _samr_GetDomPwInfo(pipes_struct *p,
5339 struct samr_GetDomPwInfo *r)
5340 {
5341 uint32_t min_password_length = 0;
5342 uint32_t password_properties = 0;
5343
5344 /* Perform access check. Since this rpc does not require a
5345 policy handle it will not be caught by the access checks on
5346 SAMR_CONNECT or SAMR_CONNECT_ANON. */
5347
5348 if (!pipe_access_check(p)) {
5349 DEBUG(3, ("access denied to _samr_GetDomPwInfo\n"));
5350 return NT_STATUS_ACCESS_DENIED;
5351 }
5352
5353 become_root();
5354 pdb_get_account_policy(AP_MIN_PASSWORD_LEN,
5355 &min_password_length);
5356 pdb_get_account_policy(AP_USER_MUST_LOGON_TO_CHG_PASS,
5357 &password_properties);
5358 unbecome_root();
5359
5360 if (lp_check_password_script() && *lp_check_password_script()) {
5361 password_properties |= DOMAIN_PASSWORD_COMPLEX;
5362 }
5363
5364 r->out.info->min_password_length = min_password_length;
5365 r->out.info->password_properties = password_properties;
5366
5367 return NT_STATUS_OK;
5368 }
5369
5370 /*********************************************************************
5371 _samr_OpenGroup
5372 *********************************************************************/
5373
5374 NTSTATUS _samr_OpenGroup(pipes_struct *p,
5375 struct samr_OpenGroup *r)
5376
5377 {
5378 DOM_SID sid;
5379 DOM_SID info_sid;
5380 GROUP_MAP map;
5381 struct samr_info *info;
5382 SEC_DESC *psd = NULL;
5383 uint32 acc_granted;
5384 uint32 des_access = r->in.access_mask;
5385 size_t sd_size;
5386 NTSTATUS status;
5387 fstring sid_string;
5388 bool ret;
5389 SE_PRIV se_rights;
5390
5391 if (!get_lsa_policy_samr_sid(p, r->in.domain_handle, &sid, &acc_granted, NULL))
5392 return NT_STATUS_INVALID_HANDLE;
5393
5394 status = access_check_samr_function(acc_granted,
5395 SAMR_DOMAIN_ACCESS_OPEN_ACCOUNT,
5396 "_samr_OpenGroup");
5397
5398 if ( !NT_STATUS_IS_OK(status) )
5399 return status;
5400
5401 /*check if access can be granted as requested by client. */
5402 map_max_allowed_access(p->server_info->ptok, &des_access);
5403
5404 make_samr_object_sd(p->mem_ctx, &psd, &sd_size, &grp_generic_mapping, NULL, 0);
5405 se_map_generic(&des_access,&grp_generic_mapping);
5406
5407 se_priv_copy( &se_rights, &se_add_users );
5408
5409 status = access_check_samr_object(psd, p->server_info->ptok,
5410 &se_rights, GENERIC_RIGHTS_GROUP_WRITE, des_access,
5411 &acc_granted, "_samr_OpenGroup");
5412
5413 if ( !NT_STATUS_IS_OK(status) )
5414 return status;
5415
5416 /* this should not be hard-coded like this */
5417
5418 if (!sid_equal(&sid, get_global_sam_sid()))
5419 return NT_STATUS_ACCESS_DENIED;
5420
5421 sid_copy(&info_sid, get_global_sam_sid());
5422 sid_append_rid(&info_sid, r->in.rid);
5423 sid_to_fstring(sid_string, &info_sid);
5424
5425 if ((info = get_samr_info_by_sid(p->mem_ctx, &info_sid)) == NULL)
5426 return NT_STATUS_NO_MEMORY;
5427
5428 info->acc_granted = acc_granted;
5429
5430 DEBUG(10, ("_samr_OpenGroup:Opening SID: %s\n", sid_string));
5431
5432 /* check if that group really exists */
5433 become_root();
5434 ret = get_domain_group_from_sid(info->sid, &map);
5435 unbecome_root();
5436 if (!ret)
5437 return NT_STATUS_NO_SUCH_GROUP;
5438
5439 /* get a (unique) handle. open a policy on it. */
5440 if (!create_policy_hnd(p, r->out.group_handle, info))
5441 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
5442
5443 return NT_STATUS_OK;
5444 }
5445
5446 /*********************************************************************
5447 _samr_RemoveMemberFromForeignDomain
5448 *********************************************************************/
5449
5450 NTSTATUS _samr_RemoveMemberFromForeignDomain(pipes_struct *p,
5451 struct samr_RemoveMemberFromForeignDomain *r)
5452 {
5453 DOM_SID delete_sid, domain_sid;
5454 uint32 acc_granted;
5455 NTSTATUS result;
5456 DISP_INFO *disp_info = NULL;
5457
5458 sid_copy( &delete_sid, r->in.sid );
5459
5460 DEBUG(5,("_samr_RemoveMemberFromForeignDomain: removing SID [%s]\n",
5461 sid_string_dbg(&delete_sid)));
5462
5463 /* Find the policy handle. Open a policy on it. */
5464
5465 if (!get_lsa_policy_samr_sid(p, r->in.domain_handle, &domain_sid,
5466 &acc_granted, &disp_info))
5467 return NT_STATUS_INVALID_HANDLE;
5468
5469 result = access_check_samr_function(acc_granted,
5470 STD_RIGHT_DELETE_ACCESS,
5471 "_samr_RemoveMemberFromForeignDomain");
5472
5473 if (!NT_STATUS_IS_OK(result))
5474 return result;
5475
5476 DEBUG(8, ("_samr_RemoveMemberFromForeignDomain: sid is %s\n",
5477 sid_string_dbg(&domain_sid)));
5478
5479 /* we can only delete a user from a group since we don't have
5480 nested groups anyways. So in the latter case, just say OK */
5481
5482 /* TODO: The above comment nowadays is bogus. Since we have nested
5483 * groups now, and aliases members are never reported out of the unix
5484 * group membership, the "just say OK" makes this call a no-op. For
5485 * us. This needs fixing however. */
5486
5487 /* I've only ever seen this in the wild when deleting a user from
5488 * usrmgr.exe. domain_sid is the builtin domain, and the sid to delete
5489 * is the user about to be deleted. I very much suspect this is the
5490 * only application of this call. To verify this, let people report
5491 * other cases. */
5492
5493 if (!sid_check_is_builtin(&domain_sid)) {
5494 DEBUG(1,("_samr_RemoveMemberFromForeignDomain: domain_sid = %s, "
5495 "global_sam_sid() = %s\n",
5496 sid_string_dbg(&domain_sid),
5497 sid_string_dbg(get_global_sam_sid())));
5498 DEBUGADD(1,("please report to samba-technical@samba.org!\n"));
5499 return NT_STATUS_OK;
5500 }
5501
5502 force_flush_samr_cache(disp_info);
5503
5504 result = NT_STATUS_OK;
5505
5506 return result;
5507 }
5508
5509 /*******************************************************************
5510 _samr_QueryDomainInfo2
5511 ********************************************************************/
5512
5513 NTSTATUS _samr_QueryDomainInfo2(pipes_struct *p,
5514 struct samr_QueryDomainInfo2 *r)
5515 {
5516 struct samr_QueryDomainInfo q;
5517
5518 q.in.domain_handle = r->in.domain_handle;
5519 q.in.level = r->in.level;
5520
5521 q.out.info = r->out.info;
5522
5523 return _samr_QueryDomainInfo(p, &q);
5524 }
5525
5526 /*******************************************************************
5527 _samr_SetDomainInfo
5528 ********************************************************************/
5529
5530 NTSTATUS _samr_SetDomainInfo(pipes_struct *p,
5531 struct samr_SetDomainInfo *r)
5532 {
5533 struct samr_info *info = NULL;
5534 time_t u_expire, u_min_age;
5535 time_t u_logout;
5536 time_t u_lock_duration, u_reset_time;
5537 NTSTATUS result;
5538
5539 DEBUG(5,("_samr_SetDomainInfo: %d\n", __LINE__));
5540
5541 /* find the policy handle. open a policy on it. */
5542 if (!find_policy_by_hnd(p, r->in.domain_handle, (void **)(void *)&info))
5543 return NT_STATUS_INVALID_HANDLE;
5544
5545 /* We do have different access bits for info
5546 * levels here, but we're really just looking for
5547 * GENERIC_RIGHTS_DOMAIN_WRITE access. Unfortunately
5548 * this maps to different specific bits. So
5549 * assume if we have SAMR_DOMAIN_ACCESS_SET_INFO_1
5550 * set we are ok. */
5551
5552 result = access_check_samr_function(info->acc_granted,
5553 SAMR_DOMAIN_ACCESS_SET_INFO_1,
5554 "_samr_SetDomainInfo");
5555
5556 if (!NT_STATUS_IS_OK(result))
5557 return result;
5558
5559 DEBUG(5,("_samr_SetDomainInfo: level: %d\n", r->in.level));
5560
5561 switch (r->in.level) {
5562 case 0x01:
5563 u_expire=nt_time_to_unix_abs((NTTIME *)&r->in.info->info1.max_password_age);
5564 u_min_age=nt_time_to_unix_abs((NTTIME *)&r->in.info->info1.min_password_age);
5565 pdb_set_account_policy(AP_MIN_PASSWORD_LEN, (uint32)r->in.info->info1.min_password_length);
5566 pdb_set_account_policy(AP_PASSWORD_HISTORY, (uint32)r->in.info->info1.password_history_length);
5567 pdb_set_account_policy(AP_USER_MUST_LOGON_TO_CHG_PASS, (uint32)r->in.info->info1.password_properties);
5568 pdb_set_account_policy(AP_MAX_PASSWORD_AGE, (int)u_expire);
5569 pdb_set_account_policy(AP_MIN_PASSWORD_AGE, (int)u_min_age);
5570 break;
5571 case 0x02:
5572 break;
5573 case 0x03:
5574 u_logout=nt_time_to_unix_abs((NTTIME *)&r->in.info->info3.force_logoff_time);
5575 pdb_set_account_policy(AP_TIME_TO_LOGOUT, (int)u_logout);
5576 break;
5577 case 0x05:
5578 break;
5579 case 0x06:
5580 break;
5581 case 0x07:
5582 break;
5583 case 0x0c:
5584 u_lock_duration=nt_time_to_unix_abs((NTTIME *)&r->in.info->info12.lockout_duration);
5585 if (u_lock_duration != -1)
5586 u_lock_duration /= 60;
5587
5588 u_reset_time=nt_time_to_unix_abs((NTTIME *)&r->in.info->info12.lockout_window)/60;
5589
5590 pdb_set_account_policy(AP_LOCK_ACCOUNT_DURATION, (int)u_lock_duration);
5591 pdb_set_account_policy(AP_RESET_COUNT_TIME, (int)u_reset_time);
5592 pdb_set_account_policy(AP_BAD_ATTEMPT_LOCKOUT, (uint32)r->in.info->info12.lockout_threshold);
5593 break;
5594 default:
5595 return NT_STATUS_INVALID_INFO_CLASS;
5596 }
5597
5598 DEBUG(5,("_samr_SetDomainInfo: %d\n", __LINE__));
5599
5600 return NT_STATUS_OK;
5601 }
5602
5603 /****************************************************************
5604 _samr_GetDisplayEnumerationIndex
5605 ****************************************************************/
5606
5607 NTSTATUS _samr_GetDisplayEnumerationIndex(pipes_struct *p,
5608 struct samr_GetDisplayEnumerationIndex *r)
5609 {
5610 struct samr_info *info = NULL;
5611 uint32_t max_entries = (uint32_t) -1;
5612 uint32_t enum_context = 0;
5613 int i;
5614 uint32_t num_account = 0;
5615 struct samr_displayentry *entries = NULL;
5616 NTSTATUS status;
5617
5618 DEBUG(5,("_samr_GetDisplayEnumerationIndex: %d\n", __LINE__));
5619
5620 /* find the policy handle. open a policy on it. */
5621 if (!find_policy_by_hnd(p, r->in.domain_handle, (void **)(void *)&info)) {
5622 return NT_STATUS_INVALID_HANDLE;
5623 }
5624
5625 status = access_check_samr_function(info->acc_granted,
5626 SAMR_DOMAIN_ACCESS_ENUM_ACCOUNTS,
5627 "_samr_GetDisplayEnumerationIndex");
5628 if (!NT_STATUS_IS_OK(status)) {
5629 return status;
5630 }
5631
5632 if ((r->in.level < 1) || (r->in.level > 3)) {
5633 DEBUG(0,("_samr_GetDisplayEnumerationIndex: "
5634 "Unknown info level (%u)\n",
5635 r->in.level));
5636 return NT_STATUS_INVALID_INFO_CLASS;
5637 }
5638
5639 become_root();
5640
5641 /* The following done as ROOT. Don't return without unbecome_root(). */
5642
5643 switch (r->in.level) {
5644 case 1:
5645 if (info->disp_info->users == NULL) {
5646 info->disp_info->users = pdb_search_users(
5647 info->disp_info, ACB_NORMAL);
5648 if (info->disp_info->users == NULL) {
5649 unbecome_root();
5650 return NT_STATUS_ACCESS_DENIED;
5651 }
5652 DEBUG(10,("_samr_GetDisplayEnumerationIndex: "
5653 "starting user enumeration at index %u\n",
5654 (unsigned int)enum_context));
5655 } else {
5656 DEBUG(10,("_samr_GetDisplayEnumerationIndex: "
5657 "using cached user enumeration at index %u\n",
5658 (unsigned int)enum_context));
5659 }
5660 num_account = pdb_search_entries(info->disp_info->users,
5661 enum_context, max_entries,
5662 &entries);
5663 break;
5664 case 2:
5665 if (info->disp_info->machines == NULL) {
5666 info->disp_info->machines = pdb_search_users(
5667 info->disp_info, ACB_WSTRUST|ACB_SVRTRUST);
5668 if (info->disp_info->machines == NULL) {
5669 unbecome_root();
5670 return NT_STATUS_ACCESS_DENIED;
5671 }
5672 DEBUG(10,("_samr_GetDisplayEnumerationIndex: "
5673 "starting machine enumeration at index %u\n",
5674 (unsigned int)enum_context));
5675 } else {
5676 DEBUG(10,("_samr_GetDisplayEnumerationIndex: "
5677 "using cached machine enumeration at index %u\n",
5678 (unsigned int)enum_context));
5679 }
5680 num_account = pdb_search_entries(info->disp_info->machines,
5681 enum_context, max_entries,
5682 &entries);
5683 break;
5684 case 3:
5685 if (info->disp_info->groups == NULL) {
5686 info->disp_info->groups = pdb_search_groups(
5687 info->disp_info);
5688 if (info->disp_info->groups == NULL) {
5689 unbecome_root();
5690 return NT_STATUS_ACCESS_DENIED;
5691 }
5692 DEBUG(10,("_samr_GetDisplayEnumerationIndex: "
5693 "starting group enumeration at index %u\n",
5694 (unsigned int)enum_context));
5695 } else {
5696 DEBUG(10,("_samr_GetDisplayEnumerationIndex: "
5697 "using cached group enumeration at index %u\n",
5698 (unsigned int)enum_context));
5699 }
5700 num_account = pdb_search_entries(info->disp_info->groups,
5701 enum_context, max_entries,
5702 &entries);
5703 break;
5704 default:
5705 unbecome_root();
5706 smb_panic("info class changed");
5707 break;
5708 }
5709
5710 unbecome_root();
5711
5712 /* Ensure we cache this enumeration. */
5713 set_disp_info_cache_timeout(info->disp_info, DISP_INFO_CACHE_TIMEOUT);
5714
5715 DEBUG(10,("_samr_GetDisplayEnumerationIndex: looking for :%s\n",
5716 r->in.name->string));
5717
5718 for (i=0; i<num_account; i++) {
5719 if (strequal(entries[i].account_name, r->in.name->string)) {
5720 DEBUG(10,("_samr_GetDisplayEnumerationIndex: "
5721 "found %s at idx %d\n",
5722 r->in.name->string, i));
5723 *r->out.idx = i;
5724 return NT_STATUS_OK;
5725 }
5726 }
5727
5728 /* assuming account_name lives at the very end */
5729 *r->out.idx = num_account;
5730
5731 return NT_STATUS_NO_MORE_ENTRIES;
5732 }
5733
5734 /****************************************************************
5735 _samr_GetDisplayEnumerationIndex2
5736 ****************************************************************/
5737
5738 NTSTATUS _samr_GetDisplayEnumerationIndex2(pipes_struct *p,
5739 struct samr_GetDisplayEnumerationIndex2 *r)
5740 {
5741 struct samr_GetDisplayEnumerationIndex q;
5742
5743 q.in.domain_handle = r->in.domain_handle;
5744 q.in.level = r->in.level;
5745 q.in.name = r->in.name;
5746
5747 q.out.idx = r->out.idx;
5748
5749 return _samr_GetDisplayEnumerationIndex(p, &q);
5750 }
5751
5752 /****************************************************************
5753 ****************************************************************/
5754
5755 NTSTATUS _samr_Shutdown(pipes_struct *p,
5756 struct samr_Shutdown *r)
5757 {
5758 p->rng_fault_state = true;
5759 return NT_STATUS_NOT_IMPLEMENTED;
5760 }
5761
5762 /****************************************************************
5763 ****************************************************************/
5764
5765 NTSTATUS _samr_SetMemberAttributesOfGroup(pipes_struct *p,
5766 struct samr_SetMemberAttributesOfGroup *r)
5767 {
5768 p->rng_fault_state = true;
5769 return NT_STATUS_NOT_IMPLEMENTED;
5770 }
5771
5772 /****************************************************************
5773 ****************************************************************/
5774
5775 NTSTATUS _samr_ChangePasswordUser(pipes_struct *p,
5776 struct samr_ChangePasswordUser *r)
5777 {
5778 p->rng_fault_state = true;
5779 return NT_STATUS_NOT_IMPLEMENTED;
5780 }
5781
5782 /****************************************************************
5783 ****************************************************************/
5784
5785 NTSTATUS _samr_TestPrivateFunctionsDomain(pipes_struct *p,
5786 struct samr_TestPrivateFunctionsDomain *r)
5787 {
5788 p->rng_fault_state = true;
5789 return NT_STATUS_NOT_IMPLEMENTED;
5790 }
5791
5792 /****************************************************************
5793 ****************************************************************/
5794
5795 NTSTATUS _samr_TestPrivateFunctionsUser(pipes_struct *p,
5796 struct samr_TestPrivateFunctionsUser *r)
5797 {
5798 p->rng_fault_state = true;
5799 return NT_STATUS_NOT_IMPLEMENTED;
5800 }
5801
5802 /****************************************************************
5803 ****************************************************************/
5804
5805 NTSTATUS _samr_AddMultipleMembersToAlias(pipes_struct *p,
5806 struct samr_AddMultipleMembersToAlias *r)
5807 {
5808 p->rng_fault_state = true;
5809 return NT_STATUS_NOT_IMPLEMENTED;
5810 }
5811
5812 /****************************************************************
5813 ****************************************************************/
5814
5815 NTSTATUS _samr_RemoveMultipleMembersFromAlias(pipes_struct *p,
5816 struct samr_RemoveMultipleMembersFromAlias *r)
5817 {
5818 p->rng_fault_state = true;
5819 return NT_STATUS_NOT_IMPLEMENTED;
5820 }
5821
5822 /****************************************************************
5823 ****************************************************************/
5824
5825 NTSTATUS _samr_OemChangePasswordUser2(pipes_struct *p,
5826 struct samr_OemChangePasswordUser2 *r)
5827 {
5828 p->rng_fault_state = true;
5829 return NT_STATUS_NOT_IMPLEMENTED;
5830 }
5831
5832 /****************************************************************
5833 ****************************************************************/
5834
5835 NTSTATUS _samr_SetBootKeyInformation(pipes_struct *p,
5836 struct samr_SetBootKeyInformation *r)
5837 {
5838 p->rng_fault_state = true;
5839 return NT_STATUS_NOT_IMPLEMENTED;
5840 }
5841
5842 /****************************************************************
5843 ****************************************************************/
5844
5845 NTSTATUS _samr_GetBootKeyInformation(pipes_struct *p,
5846 struct samr_GetBootKeyInformation *r)
5847 {
5848 p->rng_fault_state = true;
5849 return NT_STATUS_NOT_IMPLEMENTED;
5850 }
5851
5852 /****************************************************************
5853 ****************************************************************/
5854
5855 NTSTATUS _samr_Connect3(pipes_struct *p,
5856 struct samr_Connect3 *r)
5857 {
5858 p->rng_fault_state = true;
5859 return NT_STATUS_NOT_IMPLEMENTED;
5860 }
5861
5862 /****************************************************************
5863 ****************************************************************/
5864
5865 NTSTATUS _samr_RidToSid(pipes_struct *p,
5866 struct samr_RidToSid *r)
5867 {
5868 p->rng_fault_state = true;
5869 return NT_STATUS_NOT_IMPLEMENTED;
5870 }
5871
5872 /****************************************************************
5873 ****************************************************************/
5874
5875 NTSTATUS _samr_SetDsrmPassword(pipes_struct *p,
5876 struct samr_SetDsrmPassword *r)
5877 {
5878 p->rng_fault_state = true;
5879 return NT_STATUS_NOT_IMPLEMENTED;
5880 }
5881
5882 /****************************************************************
5883 ****************************************************************/
5884
5885 NTSTATUS _samr_ValidatePassword(pipes_struct *p,
5886 struct samr_ValidatePassword *r)
5887 {
5888 p->rng_fault_state = true;
5889 return NT_STATUS_NOT_IMPLEMENTED;
5890 }
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