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r16674: After removing each individual post-3.0.23rc3 change:
[Samba.git] / source / rpc_server / srv_samr_nt.c
blobda2bb8c3b561882c5331ce25e40e4f6b34acd352
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 2001-2005,
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 *
15 * This program is free software; you can redistribute it and/or modify
16 * it under the terms of the GNU General Public License as published by
17 * the Free Software Foundation; either version 2 of the License, or
18 * (at your option) any later version.
19 *
20 * This program is distributed in the hope that it will be useful,
21 * but WITHOUT ANY WARRANTY; without even the implied warranty of
22 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
23 * GNU General Public License for more details.
24 *
25 * You should have received a copy of the GNU General Public License
26 * along with this program; if not, write to the Free Software
27 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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 SA_RIGHT_USER_CHANGE_PASSWORD | \
42 SA_RIGHT_USER_SET_LOC_COM )
43
44 #define DISP_INFO_CACHE_TIMEOUT 10
45
46 typedef struct disp_info {
47 struct disp_info *next, *prev;
48 TALLOC_CTX *mem_ctx;
49 DOM_SID sid; /* identify which domain this is. */
50 BOOL builtin_domain; /* Quick flag to check if this is the builtin domain. */
51 struct pdb_search *users; /* querydispinfo 1 and 4 */
52 struct pdb_search *machines; /* querydispinfo 2 */
53 struct pdb_search *groups; /* querydispinfo 3 and 5, enumgroups */
54 struct pdb_search *aliases; /* enumaliases */
55
56 uint16 enum_acb_mask;
57 struct pdb_search *enum_users; /* enumusers with a mask */
58
59
60 smb_event_id_t di_cache_timeout_event; /* cache idle timeout handler. */
61 } DISP_INFO;
62
63 /* We keep a static list of these by SID as modern clients close down
64 all resources between each request in a complete enumeration. */
65
66 static DISP_INFO *disp_info_list;
67
68 struct samr_info {
69 /* for use by the \PIPE\samr policy */
70 DOM_SID sid;
71 BOOL builtin_domain; /* Quick flag to check if this is the builtin domain. */
72 uint32 status; /* some sort of flag. best to record it. comes from opnum 0x39 */
73 uint32 acc_granted;
74 DISP_INFO *disp_info;
75 TALLOC_CTX *mem_ctx;
76 };
77
78 static 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 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 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 struct generic_mapping grp_generic_mapping = {
94 GENERIC_RIGHTS_GROUP_READ,
95 GENERIC_RIGHTS_GROUP_WRITE,
96 GENERIC_RIGHTS_GROUP_EXECUTE,
97 GENERIC_RIGHTS_GROUP_ALL_ACCESS};
98 static struct generic_mapping ali_generic_mapping = {
99 GENERIC_RIGHTS_ALIAS_READ,
100 GENERIC_RIGHTS_ALIAS_WRITE,
101 GENERIC_RIGHTS_ALIAS_EXECUTE,
102 GENERIC_RIGHTS_ALIAS_ALL_ACCESS};
103
104 /*******************************************************************
105 *******************************************************************/
106
107 static NTSTATUS make_samr_object_sd( TALLOC_CTX *ctx, SEC_DESC **psd, size_t *sd_size,
108 struct generic_mapping *map,
109 DOM_SID *sid, uint32 sid_access )
110 {
111 DOM_SID domadmin_sid;
112 SEC_ACE ace[5]; /* at most 5 entries */
113 SEC_ACCESS mask;
114 size_t i = 0;
115
116 SEC_ACL *psa = NULL;
117
118 /* basic access for Everyone */
119
120 init_sec_access(&mask, map->generic_execute | map->generic_read );
121 init_sec_ace(&ace[i++], &global_sid_World, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0);
122
123 /* add Full Access 'BUILTIN\Administrators' and 'BUILTIN\Account Operators */
124
125 init_sec_access(&mask, map->generic_all);
126
127 init_sec_ace(&ace[i++], &global_sid_Builtin_Administrators, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0);
128 init_sec_ace(&ace[i++], &global_sid_Builtin_Account_Operators, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0);
129
130 /* Add Full Access for Domain Admins if we are a DC */
131
132 if ( IS_DC ) {
133 sid_copy( &domadmin_sid, get_global_sam_sid() );
134 sid_append_rid( &domadmin_sid, DOMAIN_GROUP_RID_ADMINS );
135 init_sec_ace(&ace[i++], &domadmin_sid, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0);
136 }
137
138 /* if we have a sid, give it some special access */
139
140 if ( sid ) {
141 init_sec_access( &mask, sid_access );
142 init_sec_ace(&ace[i++], sid, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0);
143 }
144
145 /* create the security descriptor */
146
147 if ((psa = make_sec_acl(ctx, NT4_ACL_REVISION, i, ace)) == NULL)
148 return NT_STATUS_NO_MEMORY;
149
150 if ((*psd = make_sec_desc(ctx, SEC_DESC_REVISION, SEC_DESC_SELF_RELATIVE, NULL, NULL, NULL, psa, sd_size)) == NULL)
151 return NT_STATUS_NO_MEMORY;
152
153 return NT_STATUS_OK;
154 }
155
156 /*******************************************************************
157 Checks if access to an object should be granted, and returns that
158 level of access for further checks.
159 ********************************************************************/
160
161 static NTSTATUS access_check_samr_object( SEC_DESC *psd, NT_USER_TOKEN *token,
162 SE_PRIV *rights, uint32 rights_mask,
163 uint32 des_access, uint32 *acc_granted,
164 const char *debug )
165 {
166 NTSTATUS status = NT_STATUS_ACCESS_DENIED;
167 uint32 saved_mask = 0;
168
169 /* check privileges; certain SAM access bits should be overridden
170 by privileges (mostly having to do with creating/modifying/deleting
171 users and groups) */
172
173 if ( rights && user_has_any_privilege( token, rights ) ) {
174
175 saved_mask = (des_access & rights_mask);
176 des_access &= ~saved_mask;
177
178 DEBUG(4,("access_check_samr_object: user rights access mask [0x%x]\n",
179 rights_mask));
180 }
181
182
183 /* check the security descriptor first */
184
185 if ( se_access_check(psd, token, des_access, acc_granted, &status) )
186 goto done;
187
188 /* give root a free pass */
189
190 if ( geteuid() == sec_initial_uid() ) {
191
192 DEBUG(4,("%s: ACCESS should be DENIED (requested: %#010x)\n", debug, des_access));
193 DEBUGADD(4,("but overritten by euid == sec_initial_uid()\n"));
194
195 *acc_granted = des_access;
196
197 status = NT_STATUS_OK;
198 goto done;
199 }
200
201
202 done:
203 /* add in any bits saved during the privilege check (only
204 matters is status is ok) */
205
206 *acc_granted |= rights_mask;
207
208 DEBUG(4,("%s: access %s (requested: 0x%08x, granted: 0x%08x)\n",
209 debug, NT_STATUS_IS_OK(status) ? "GRANTED" : "DENIED",
210 des_access, *acc_granted));
211
212 return status;
213 }
214
215 /*******************************************************************
216 Checks if access to a function can be granted
217 ********************************************************************/
218
219 static NTSTATUS access_check_samr_function(uint32 acc_granted, uint32 acc_required, const char *debug)
220 {
221 DEBUG(5,("%s: access check ((granted: %#010x; required: %#010x)\n",
222 debug, acc_granted, acc_required));
223
224 /* check the security descriptor first */
225
226 if ( (acc_granted&acc_required) == acc_required )
227 return NT_STATUS_OK;
228
229 /* give root a free pass */
230
231 if (geteuid() == sec_initial_uid()) {
232
233 DEBUG(4,("%s: ACCESS should be DENIED (granted: %#010x; required: %#010x)\n",
234 debug, acc_granted, acc_required));
235 DEBUGADD(4,("but overwritten by euid == 0\n"));
236
237 return NT_STATUS_OK;
238 }
239
240 DEBUG(2,("%s: ACCESS DENIED (granted: %#010x; required: %#010x)\n",
241 debug, acc_granted, acc_required));
242
243 return NT_STATUS_ACCESS_DENIED;
244 }
245
246 /*******************************************************************
247 Fetch or create a dispinfo struct.
248 ********************************************************************/
249
250 static DISP_INFO *get_samr_dispinfo_by_sid(DOM_SID *psid, const char *sid_str)
251 {
252 TALLOC_CTX *mem_ctx;
253 DISP_INFO *dpi;
254
255 /* There are two cases to consider here:
256 1) The SID is a domain SID and we look for an equality match, or
257 2) This is an account SID and so we return the DISP_INFO* for our
258 domain */
259
260 if ( psid && sid_check_is_in_our_domain( psid ) ) {
261 DEBUG(10,("get_samr_dispinfo_by_sid: Replacing %s with our domain SID\n",
262 sid_str));
263 psid = get_global_sam_sid();
264 }
265
266 for (dpi = disp_info_list; dpi; dpi = dpi->next) {
267 if (sid_equal(psid, &dpi->sid)) {
268 return dpi;
269 }
270 }
271
272 /* This struct is never free'd - I'm using talloc so we
273 can get a list out of smbd using smbcontrol. There will
274 be one of these per SID we're authorative for. JRA. */
275
276 mem_ctx = talloc_init("DISP_INFO for domain sid %s", sid_str);
277
278 if ((dpi = TALLOC_ZERO_P(mem_ctx, DISP_INFO)) == NULL)
279 return NULL;
280
281 dpi->mem_ctx = mem_ctx;
282
283 if (psid) {
284 sid_copy( &dpi->sid, psid);
285 dpi->builtin_domain = sid_check_is_builtin(psid);
286 } else {
287 dpi->builtin_domain = False;
288 }
289
290 DLIST_ADD(disp_info_list, dpi);
291
292 return dpi;
293 }
294
295 /*******************************************************************
296 Create a samr_info struct.
297 ********************************************************************/
298
299 static struct samr_info *get_samr_info_by_sid(DOM_SID *psid)
300 {
301 struct samr_info *info;
302 fstring sid_str;
303 TALLOC_CTX *mem_ctx;
304
305 if (psid) {
306 sid_to_string(sid_str, psid);
307 } else {
308 fstrcpy(sid_str,"(NULL)");
309 }
310
311 mem_ctx = talloc_init("samr_info for domain sid %s", sid_str);
312
313 if ((info = TALLOC_ZERO_P(mem_ctx, struct samr_info)) == NULL)
314 return NULL;
315
316 DEBUG(10,("get_samr_info_by_sid: created new info for sid %s\n", sid_str));
317 if (psid) {
318 sid_copy( &info->sid, psid);
319 info->builtin_domain = sid_check_is_builtin(psid);
320 } else {
321 DEBUG(10,("get_samr_info_by_sid: created new info for NULL sid.\n"));
322 info->builtin_domain = False;
323 }
324 info->mem_ctx = mem_ctx;
325
326 info->disp_info = get_samr_dispinfo_by_sid(psid, sid_str);
327
328 if (!info->disp_info) {
329 talloc_destroy(mem_ctx);
330 return NULL;
331 }
332
333 return info;
334 }
335
336 /*******************************************************************
337 Function to free the per SID data.
338 ********************************************************************/
339
340 static void free_samr_cache(DISP_INFO *disp_info, const char *sid_str)
341 {
342 DEBUG(10,("free_samr_cache: deleting cache for SID %s\n", sid_str));
343
344 /* We need to become root here because the paged search might have to
345 * tell the LDAP server we're not interested in the rest anymore. */
346
347 become_root();
348
349 if (disp_info->users) {
350 DEBUG(10,("free_samr_cache: deleting users cache\n"));
351 pdb_search_destroy(disp_info->users);
352 disp_info->users = NULL;
353 }
354 if (disp_info->machines) {
355 DEBUG(10,("free_samr_cache: deleting machines cache\n"));
356 pdb_search_destroy(disp_info->machines);
357 disp_info->machines = NULL;
358 }
359 if (disp_info->groups) {
360 DEBUG(10,("free_samr_cache: deleting groups cache\n"));
361 pdb_search_destroy(disp_info->groups);
362 disp_info->groups = NULL;
363 }
364 if (disp_info->aliases) {
365 DEBUG(10,("free_samr_cache: deleting aliases cache\n"));
366 pdb_search_destroy(disp_info->aliases);
367 disp_info->aliases = NULL;
368 }
369 if (disp_info->enum_users) {
370 DEBUG(10,("free_samr_cache: deleting enum_users cache\n"));
371 pdb_search_destroy(disp_info->enum_users);
372 disp_info->enum_users = NULL;
373 }
374 disp_info->enum_acb_mask = 0;
375
376 unbecome_root();
377 }
378
379 /*******************************************************************
380 Function to free the per handle data.
381 ********************************************************************/
382
383 static void free_samr_info(void *ptr)
384 {
385 struct samr_info *info=(struct samr_info *) ptr;
386
387 /* Only free the dispinfo cache if no one bothered to set up
388 a timeout. */
389
390 if (info->disp_info && info->disp_info->di_cache_timeout_event == (smb_event_id_t)0) {
391 fstring sid_str;
392 sid_to_string(sid_str, &info->disp_info->sid);
393 free_samr_cache(info->disp_info, sid_str);
394 }
395
396 talloc_destroy(info->mem_ctx);
397 }
398
399 /*******************************************************************
400 Idle event handler. Throw away the disp info cache.
401 ********************************************************************/
402
403 static void disp_info_cache_idle_timeout_handler(void **private_data,
404 time_t *ev_interval,
405 time_t ev_now)
406 {
407 fstring sid_str;
408 DISP_INFO *disp_info = (DISP_INFO *)(*private_data);
409
410 sid_to_string(sid_str, &disp_info->sid);
411
412 free_samr_cache(disp_info, sid_str);
413
414 /* Remove the event. */
415 smb_unregister_idle_event(disp_info->di_cache_timeout_event);
416 disp_info->di_cache_timeout_event = (smb_event_id_t)0;
417
418 DEBUG(10,("disp_info_cache_idle_timeout_handler: caching timed out for SID %s at %u\n",
419 sid_str, (unsigned int)ev_now));
420 }
421
422 /*******************************************************************
423 Setup cache removal idle event handler.
424 ********************************************************************/
425
426 static void set_disp_info_cache_timeout(DISP_INFO *disp_info, time_t secs_fromnow)
427 {
428 fstring sid_str;
429
430 sid_to_string(sid_str, &disp_info->sid);
431
432 /* Remove any pending timeout and update. */
433
434 if (disp_info->di_cache_timeout_event) {
435 smb_unregister_idle_event(disp_info->di_cache_timeout_event);
436 disp_info->di_cache_timeout_event = (smb_event_id_t)0;
437 }
438
439 DEBUG(10,("set_disp_info_cache_timeout: caching enumeration for SID %s for %u seconds\n",
440 sid_str, (unsigned int)secs_fromnow ));
441
442 disp_info->di_cache_timeout_event =
443 smb_register_idle_event(disp_info_cache_idle_timeout_handler,
444 disp_info,
445 secs_fromnow);
446 }
447
448 /*******************************************************************
449 Force flush any cache. We do this on any samr_set_xxx call.
450 We must also remove the timeout handler.
451 ********************************************************************/
452
453 static void force_flush_samr_cache(DISP_INFO *disp_info)
454 {
455 if (disp_info) {
456 fstring sid_str;
457
458 sid_to_string(sid_str, &disp_info->sid);
459 if (disp_info->di_cache_timeout_event) {
460 smb_unregister_idle_event(disp_info->di_cache_timeout_event);
461 disp_info->di_cache_timeout_event = (smb_event_id_t)0;
462 DEBUG(10,("force_flush_samr_cache: clearing idle event for SID %s\n",
463 sid_str));
464 }
465 free_samr_cache(disp_info, sid_str);
466 }
467 }
468
469 /*******************************************************************
470 Ensure password info is never given out. Paranioa... JRA.
471 ********************************************************************/
472
473 static void samr_clear_sam_passwd(struct samu *sam_pass)
474 {
475
476 if (!sam_pass)
477 return;
478
479 /* These now zero out the old password */
480
481 pdb_set_lanman_passwd(sam_pass, NULL, PDB_DEFAULT);
482 pdb_set_nt_passwd(sam_pass, NULL, PDB_DEFAULT);
483 }
484
485 static uint32 count_sam_users(struct disp_info *info, uint32 acct_flags)
486 {
487 struct samr_displayentry *entry;
488
489 if (info->builtin_domain) {
490 /* No users in builtin. */
491 return 0;
492 }
493
494 if (info->users == NULL) {
495 info->users = pdb_search_users(acct_flags);
496 if (info->users == NULL) {
497 return 0;
498 }
499 }
500 /* Fetch the last possible entry, thus trigger an enumeration */
501 pdb_search_entries(info->users, 0xffffffff, 1, &entry);
502
503 /* Ensure we cache this enumeration. */
504 set_disp_info_cache_timeout(info, DISP_INFO_CACHE_TIMEOUT);
505
506 return info->users->num_entries;
507 }
508
509 static uint32 count_sam_groups(struct disp_info *info)
510 {
511 struct samr_displayentry *entry;
512
513 if (info->builtin_domain) {
514 /* No groups in builtin. */
515 return 0;
516 }
517
518 if (info->groups == NULL) {
519 info->groups = pdb_search_groups();
520 if (info->groups == NULL) {
521 return 0;
522 }
523 }
524 /* Fetch the last possible entry, thus trigger an enumeration */
525 pdb_search_entries(info->groups, 0xffffffff, 1, &entry);
526
527 /* Ensure we cache this enumeration. */
528 set_disp_info_cache_timeout(info, DISP_INFO_CACHE_TIMEOUT);
529
530 return info->groups->num_entries;
531 }
532
533 static uint32 count_sam_aliases(struct disp_info *info)
534 {
535 struct samr_displayentry *entry;
536
537 if (info->aliases == NULL) {
538 info->aliases = pdb_search_aliases(&info->sid);
539 if (info->aliases == NULL) {
540 return 0;
541 }
542 }
543 /* Fetch the last possible entry, thus trigger an enumeration */
544 pdb_search_entries(info->aliases, 0xffffffff, 1, &entry);
545
546 /* Ensure we cache this enumeration. */
547 set_disp_info_cache_timeout(info, DISP_INFO_CACHE_TIMEOUT);
548
549 return info->aliases->num_entries;
550 }
551
552 /*******************************************************************
553 _samr_close_hnd
554 ********************************************************************/
555
556 NTSTATUS _samr_close_hnd(pipes_struct *p, SAMR_Q_CLOSE_HND *q_u, SAMR_R_CLOSE_HND *r_u)
557 {
558 r_u->status = NT_STATUS_OK;
559
560 /* close the policy handle */
561 if (!close_policy_hnd(p, &q_u->pol))
562 return NT_STATUS_OBJECT_NAME_INVALID;
563
564 DEBUG(5,("samr_reply_close_hnd: %d\n", __LINE__));
565
566 return r_u->status;
567 }
568
569 /*******************************************************************
570 samr_reply_open_domain
571 ********************************************************************/
572
573 NTSTATUS _samr_open_domain(pipes_struct *p, SAMR_Q_OPEN_DOMAIN *q_u, SAMR_R_OPEN_DOMAIN *r_u)
574 {
575 struct samr_info *info;
576 SEC_DESC *psd = NULL;
577 uint32 acc_granted;
578 uint32 des_access = q_u->flags;
579 NTSTATUS status;
580 size_t sd_size;
581 SE_PRIV se_rights;
582
583 r_u->status = NT_STATUS_OK;
584
585 /* find the connection policy handle. */
586
587 if ( !find_policy_by_hnd(p, &q_u->pol, (void**)(void *)&info) )
588 return NT_STATUS_INVALID_HANDLE;
589
590 status = access_check_samr_function( info->acc_granted,
591 SA_RIGHT_SAM_OPEN_DOMAIN, "_samr_open_domain" );
592
593 if ( !NT_STATUS_IS_OK(status) )
594 return status;
595
596 /*check if access can be granted as requested by client. */
597
598 make_samr_object_sd( p->mem_ctx, &psd, &sd_size, &dom_generic_mapping, NULL, 0 );
599 se_map_generic( &des_access, &dom_generic_mapping );
600
601 se_priv_copy( &se_rights, &se_machine_account );
602 se_priv_add( &se_rights, &se_add_users );
603
604 status = access_check_samr_object( psd, p->pipe_user.nt_user_token,
605 &se_rights, GENERIC_RIGHTS_DOMAIN_WRITE, des_access,
606 &acc_granted, "_samr_open_domain" );
607
608 if ( !NT_STATUS_IS_OK(status) )
609 return status;
610
611 if (!sid_check_is_domain(&q_u->dom_sid.sid) &&
612 !sid_check_is_builtin(&q_u->dom_sid.sid)) {
613 return NT_STATUS_NO_SUCH_DOMAIN;
614 }
615
616 /* associate the domain SID with the (unique) handle. */
617 if ((info = get_samr_info_by_sid(&q_u->dom_sid.sid))==NULL)
618 return NT_STATUS_NO_MEMORY;
619 info->acc_granted = acc_granted;
620
621 /* get a (unique) handle. open a policy on it. */
622 if (!create_policy_hnd(p, &r_u->domain_pol, free_samr_info, (void *)info))
623 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
624
625 DEBUG(5,("samr_open_domain: %d\n", __LINE__));
626
627 return r_u->status;
628 }
629
630 /*******************************************************************
631 _samr_get_usrdom_pwinfo
632 ********************************************************************/
633
634 NTSTATUS _samr_get_usrdom_pwinfo(pipes_struct *p, SAMR_Q_GET_USRDOM_PWINFO *q_u, SAMR_R_GET_USRDOM_PWINFO *r_u)
635 {
636 struct samr_info *info = NULL;
637
638 r_u->status = NT_STATUS_OK;
639
640 /* find the policy handle. open a policy on it. */
641 if (!find_policy_by_hnd(p, &q_u->user_pol, (void **)(void *)&info))
642 return NT_STATUS_INVALID_HANDLE;
643
644 if (!sid_check_is_in_our_domain(&info->sid))
645 return NT_STATUS_OBJECT_TYPE_MISMATCH;
646
647 init_samr_r_get_usrdom_pwinfo(r_u, NT_STATUS_OK);
648
649 DEBUG(5,("_samr_get_usrdom_pwinfo: %d\n", __LINE__));
650
651 /*
652 * NT sometimes return NT_STATUS_ACCESS_DENIED
653 * I don't know yet why.
654 */
655
656 return r_u->status;
657 }
658
659 /*******************************************************************
660 _samr_set_sec_obj
661 ********************************************************************/
662
663 NTSTATUS _samr_set_sec_obj(pipes_struct *p, SAMR_Q_SET_SEC_OBJ *q_u, SAMR_R_SET_SEC_OBJ *r_u)
664 {
665 DEBUG(0,("_samr_set_sec_obj: Not yet implemented!\n"));
666 return NT_STATUS_NOT_IMPLEMENTED;
667 }
668
669 /*******************************************************************
670 ********************************************************************/
671
672 static BOOL get_lsa_policy_samr_sid( pipes_struct *p, POLICY_HND *pol,
673 DOM_SID *sid, uint32 *acc_granted,
674 DISP_INFO **ppdisp_info)
675 {
676 struct samr_info *info = NULL;
677
678 /* find the policy handle. open a policy on it. */
679 if (!find_policy_by_hnd(p, pol, (void **)(void *)&info))
680 return False;
681
682 if (!info)
683 return False;
684
685 *sid = info->sid;
686 *acc_granted = info->acc_granted;
687 if (ppdisp_info) {
688 *ppdisp_info = info->disp_info;
689 }
690
691 return True;
692 }
693
694 /*******************************************************************
695 _samr_query_sec_obj
696 ********************************************************************/
697
698 NTSTATUS _samr_query_sec_obj(pipes_struct *p, SAMR_Q_QUERY_SEC_OBJ *q_u, SAMR_R_QUERY_SEC_OBJ *r_u)
699 {
700 DOM_SID pol_sid;
701 fstring str_sid;
702 SEC_DESC * psd = NULL;
703 uint32 acc_granted;
704 size_t sd_size;
705
706 r_u->status = NT_STATUS_OK;
707
708 /* Get the SID. */
709 if (!get_lsa_policy_samr_sid(p, &q_u->user_pol, &pol_sid, &acc_granted, NULL))
710 return NT_STATUS_INVALID_HANDLE;
711
712 DEBUG(10,("_samr_query_sec_obj: querying security on SID: %s\n", sid_to_string(str_sid, &pol_sid)));
713
714 /* Check what typ of SID is beeing queried (e.g Domain SID, User SID, Group SID) */
715
716 /* To query the security of the SAM it self an invalid SID with S-0-0 is passed to this function */
717 if (pol_sid.sid_rev_num == 0) {
718 DEBUG(5,("_samr_query_sec_obj: querying security on SAM\n"));
719 r_u->status = make_samr_object_sd(p->mem_ctx, &psd, &sd_size, &sam_generic_mapping, NULL, 0);
720 } else if (sid_equal(&pol_sid,get_global_sam_sid())) {
721 /* check if it is our domain SID */
722 DEBUG(5,("_samr_query_sec_obj: querying security on Domain with SID: %s\n", sid_to_string(str_sid, &pol_sid)));
723 r_u->status = make_samr_object_sd(p->mem_ctx, &psd, &sd_size, &dom_generic_mapping, NULL, 0);
724 } else if (sid_equal(&pol_sid,&global_sid_Builtin)) {
725 /* check if it is the Builtin Domain */
726 /* TODO: Builtin probably needs a different SD with restricted write access*/
727 DEBUG(5,("_samr_query_sec_obj: querying security on Builtin Domain with SID: %s\n", sid_to_string(str_sid, &pol_sid)));
728 r_u->status = make_samr_object_sd(p->mem_ctx, &psd, &sd_size, &dom_generic_mapping, NULL, 0);
729 } else if (sid_check_is_in_our_domain(&pol_sid) ||
730 sid_check_is_in_builtin(&pol_sid)) {
731 /* TODO: different SDs have to be generated for aliases groups and users.
732 Currently all three get a default user SD */
733 DEBUG(10,("_samr_query_sec_obj: querying security on Object with SID: %s\n", sid_to_string(str_sid, &pol_sid)));
734 r_u->status = make_samr_object_sd(p->mem_ctx, &psd, &sd_size, &usr_generic_mapping, &pol_sid, SAMR_USR_RIGHTS_WRITE_PW);
735 } else {
736 return NT_STATUS_OBJECT_TYPE_MISMATCH;
737 }
738
739 if ((r_u->buf = make_sec_desc_buf(p->mem_ctx, sd_size, psd)) == NULL)
740 return NT_STATUS_NO_MEMORY;
741
742 if (NT_STATUS_IS_OK(r_u->status))
743 r_u->ptr = 1;
744
745 return r_u->status;
746 }
747
748 /*******************************************************************
749 makes a SAM_ENTRY / UNISTR2* structure from a user list.
750 ********************************************************************/
751
752 static NTSTATUS make_user_sam_entry_list(TALLOC_CTX *ctx, SAM_ENTRY **sam_pp,
753 UNISTR2 **uni_name_pp,
754 uint32 num_entries, uint32 start_idx,
755 struct samr_displayentry *entries)
756 {
757 uint32 i;
758 SAM_ENTRY *sam;
759 UNISTR2 *uni_name;
760
761 *sam_pp = NULL;
762 *uni_name_pp = NULL;
763
764 if (num_entries == 0)
765 return NT_STATUS_OK;
766
767 sam = TALLOC_ZERO_ARRAY(ctx, SAM_ENTRY, num_entries);
768
769 uni_name = TALLOC_ZERO_ARRAY(ctx, UNISTR2, num_entries);
770
771 if (sam == NULL || uni_name == NULL) {
772 DEBUG(0, ("make_user_sam_entry_list: talloc_zero failed!\n"));
773 return NT_STATUS_NO_MEMORY;
774 }
775
776 for (i = 0; i < num_entries; i++) {
777 UNISTR2 uni_temp_name;
778 /*
779 * usrmgr expects a non-NULL terminated string with
780 * trust relationships
781 */
782 if (entries[i].acct_flags & ACB_DOMTRUST) {
783 init_unistr2(&uni_temp_name, entries[i].account_name,
784 UNI_FLAGS_NONE);
785 } else {
786 init_unistr2(&uni_temp_name, entries[i].account_name,
787 UNI_STR_TERMINATE);
788 }
789
790 init_sam_entry(&sam[i], &uni_temp_name, entries[i].rid);
791 copy_unistr2(&uni_name[i], &uni_temp_name);
792 }
793
794 *sam_pp = sam;
795 *uni_name_pp = uni_name;
796 return NT_STATUS_OK;
797 }
798
799 /*******************************************************************
800 samr_reply_enum_dom_users
801 ********************************************************************/
802
803 NTSTATUS _samr_enum_dom_users(pipes_struct *p, SAMR_Q_ENUM_DOM_USERS *q_u,
804 SAMR_R_ENUM_DOM_USERS *r_u)
805 {
806 struct samr_info *info = NULL;
807 int num_account;
808 uint32 enum_context=q_u->start_idx;
809 enum remote_arch_types ra_type = get_remote_arch();
810 int max_sam_entries = (ra_type == RA_WIN95) ? MAX_SAM_ENTRIES_W95 : MAX_SAM_ENTRIES_W2K;
811 uint32 max_entries = max_sam_entries;
812 struct samr_displayentry *entries = NULL;
813
814 r_u->status = NT_STATUS_OK;
815
816 /* find the policy handle. open a policy on it. */
817 if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&info))
818 return NT_STATUS_INVALID_HANDLE;
819
820 if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(info->acc_granted,
821 SA_RIGHT_DOMAIN_ENUM_ACCOUNTS,
822 "_samr_enum_dom_users"))) {
823 return r_u->status;
824 }
825
826 DEBUG(5,("_samr_enum_dom_users: %d\n", __LINE__));
827
828 if (info->builtin_domain) {
829 /* No users in builtin. */
830 init_samr_r_enum_dom_users(r_u, q_u->start_idx, 0);
831 DEBUG(5,("_samr_enum_dom_users: No users in BUILTIN\n"));
832 return r_u->status;
833 }
834
835 become_root();
836
837 /* AS ROOT !!!! */
838
839 if ((info->disp_info->enum_users != NULL) &&
840 (info->disp_info->enum_acb_mask != q_u->acb_mask)) {
841 pdb_search_destroy(info->disp_info->enum_users);
842 info->disp_info->enum_users = NULL;
843 }
844
845 if (info->disp_info->enum_users == NULL) {
846 info->disp_info->enum_users = pdb_search_users(q_u->acb_mask);
847 info->disp_info->enum_acb_mask = q_u->acb_mask;
848 }
849
850 if (info->disp_info->enum_users == NULL) {
851 /* END AS ROOT !!!! */
852 unbecome_root();
853 return NT_STATUS_ACCESS_DENIED;
854 }
855
856 num_account = pdb_search_entries(info->disp_info->enum_users,
857 enum_context, max_entries,
858 &entries);
859
860 /* END AS ROOT !!!! */
861
862 unbecome_root();
863
864 if (num_account == 0) {
865 DEBUG(5, ("_samr_enum_dom_users: enumeration handle over "
866 "total entries\n"));
867 return NT_STATUS_OK;
868 }
869
870 r_u->status = make_user_sam_entry_list(p->mem_ctx, &r_u->sam,
871 &r_u->uni_acct_name,
872 num_account, enum_context,
873 entries);
874
875 if (!NT_STATUS_IS_OK(r_u->status))
876 return r_u->status;
877
878 if (max_entries <= num_account) {
879 r_u->status = STATUS_MORE_ENTRIES;
880 } else {
881 r_u->status = NT_STATUS_OK;
882 }
883
884 /* Ensure we cache this enumeration. */
885 set_disp_info_cache_timeout(info->disp_info, DISP_INFO_CACHE_TIMEOUT);
886
887 DEBUG(5, ("_samr_enum_dom_users: %d\n", __LINE__));
888
889 init_samr_r_enum_dom_users(r_u, q_u->start_idx + num_account,
890 num_account);
891
892 DEBUG(5,("_samr_enum_dom_users: %d\n", __LINE__));
893
894 return r_u->status;
895 }
896
897 /*******************************************************************
898 makes a SAM_ENTRY / UNISTR2* structure from a group list.
899 ********************************************************************/
900
901 static void make_group_sam_entry_list(TALLOC_CTX *ctx, SAM_ENTRY **sam_pp,
902 UNISTR2 **uni_name_pp,
903 uint32 num_sam_entries,
904 struct samr_displayentry *entries)
905 {
906 uint32 i;
907 SAM_ENTRY *sam;
908 UNISTR2 *uni_name;
909
910 *sam_pp = NULL;
911 *uni_name_pp = NULL;
912
913 if (num_sam_entries == 0)
914 return;
915
916 sam = TALLOC_ZERO_ARRAY(ctx, SAM_ENTRY, num_sam_entries);
917 uni_name = TALLOC_ZERO_ARRAY(ctx, UNISTR2, num_sam_entries);
918
919 if (sam == NULL || uni_name == NULL) {
920 DEBUG(0, ("NULL pointers in SAMR_R_QUERY_DISPINFO\n"));
921 return;
922 }
923
924 for (i = 0; i < num_sam_entries; i++) {
925 /*
926 * JRA. I think this should include the null. TNG does not.
927 */
928 init_unistr2(&uni_name[i], entries[i].account_name,
929 UNI_STR_TERMINATE);
930 init_sam_entry(&sam[i], &uni_name[i], entries[i].rid);
931 }
932
933 *sam_pp = sam;
934 *uni_name_pp = uni_name;
935 }
936
937 /*******************************************************************
938 samr_reply_enum_dom_groups
939 ********************************************************************/
940
941 NTSTATUS _samr_enum_dom_groups(pipes_struct *p, SAMR_Q_ENUM_DOM_GROUPS *q_u, SAMR_R_ENUM_DOM_GROUPS *r_u)
942 {
943 struct samr_info *info = NULL;
944 struct samr_displayentry *groups;
945 uint32 num_groups;
946
947 r_u->status = NT_STATUS_OK;
948
949 /* find the policy handle. open a policy on it. */
950 if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&info))
951 return NT_STATUS_INVALID_HANDLE;
952
953 r_u->status = access_check_samr_function(info->acc_granted,
954 SA_RIGHT_DOMAIN_ENUM_ACCOUNTS,
955 "_samr_enum_dom_groups");
956 if (!NT_STATUS_IS_OK(r_u->status))
957 return r_u->status;
958
959 DEBUG(5,("samr_reply_enum_dom_groups: %d\n", __LINE__));
960
961 if (info->builtin_domain) {
962 /* No groups in builtin. */
963 init_samr_r_enum_dom_groups(r_u, q_u->start_idx, 0);
964 DEBUG(5,("_samr_enum_dom_users: No groups in BUILTIN\n"));
965 return r_u->status;
966 }
967
968 /* the domain group array is being allocated in the function below */
969
970 become_root();
971
972 if (info->disp_info->groups == NULL) {
973 info->disp_info->groups = pdb_search_groups();
974
975 if (info->disp_info->groups == NULL) {
976 unbecome_root();
977 return NT_STATUS_ACCESS_DENIED;
978 }
979 }
980
981 num_groups = pdb_search_entries(info->disp_info->groups, q_u->start_idx,
982 MAX_SAM_ENTRIES, &groups);
983 unbecome_root();
984
985 /* Ensure we cache this enumeration. */
986 set_disp_info_cache_timeout(info->disp_info, DISP_INFO_CACHE_TIMEOUT);
987
988 make_group_sam_entry_list(p->mem_ctx, &r_u->sam, &r_u->uni_grp_name,
989 num_groups, groups);
990
991 init_samr_r_enum_dom_groups(r_u, q_u->start_idx, num_groups);
992
993 DEBUG(5,("samr_enum_dom_groups: %d\n", __LINE__));
994
995 return r_u->status;
996 }
997
998 /*******************************************************************
999 samr_reply_enum_dom_aliases
1000 ********************************************************************/
1001
1002 NTSTATUS _samr_enum_dom_aliases(pipes_struct *p, SAMR_Q_ENUM_DOM_ALIASES *q_u, SAMR_R_ENUM_DOM_ALIASES *r_u)
1003 {
1004 struct samr_info *info;
1005 struct samr_displayentry *aliases;
1006 uint32 num_aliases = 0;
1007
1008 /* find the policy handle. open a policy on it. */
1009 if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&info))
1010 return NT_STATUS_INVALID_HANDLE;
1011
1012 r_u->status = access_check_samr_function(info->acc_granted,
1013 SA_RIGHT_DOMAIN_ENUM_ACCOUNTS,
1014 "_samr_enum_dom_aliases");
1015 if (!NT_STATUS_IS_OK(r_u->status))
1016 return r_u->status;
1017
1018 DEBUG(5,("samr_reply_enum_dom_aliases: sid %s\n",
1019 sid_string_static(&info->sid)));
1020
1021 become_root();
1022
1023 if (info->disp_info->aliases == NULL) {
1024 info->disp_info->aliases = pdb_search_aliases(&info->sid);
1025 if (info->disp_info->aliases == NULL) {
1026 unbecome_root();
1027 return NT_STATUS_ACCESS_DENIED;
1028 }
1029 }
1030
1031 num_aliases = pdb_search_entries(info->disp_info->aliases, q_u->start_idx,
1032 MAX_SAM_ENTRIES, &aliases);
1033 unbecome_root();
1034
1035 /* Ensure we cache this enumeration. */
1036 set_disp_info_cache_timeout(info->disp_info, DISP_INFO_CACHE_TIMEOUT);
1037
1038 make_group_sam_entry_list(p->mem_ctx, &r_u->sam, &r_u->uni_grp_name,
1039 num_aliases, aliases);
1040
1041 init_samr_r_enum_dom_aliases(r_u, q_u->start_idx + num_aliases,
1042 num_aliases);
1043
1044 DEBUG(5,("samr_enum_dom_aliases: %d\n", __LINE__));
1045
1046 return r_u->status;
1047 }
1048
1049 /*******************************************************************
1050 samr_reply_query_dispinfo
1051 ********************************************************************/
1052
1053 NTSTATUS _samr_query_dispinfo(pipes_struct *p, SAMR_Q_QUERY_DISPINFO *q_u,
1054 SAMR_R_QUERY_DISPINFO *r_u)
1055 {
1056 struct samr_info *info = NULL;
1057 uint32 struct_size=0x20; /* W2K always reply that, client doesn't care */
1058
1059 uint32 max_entries=q_u->max_entries;
1060 uint32 enum_context=q_u->start_idx;
1061 uint32 max_size=q_u->max_size;
1062
1063 SAM_DISPINFO_CTR *ctr;
1064 uint32 temp_size=0, total_data_size=0;
1065 NTSTATUS disp_ret = NT_STATUS_UNSUCCESSFUL;
1066 uint32 num_account = 0;
1067 enum remote_arch_types ra_type = get_remote_arch();
1068 int max_sam_entries = (ra_type == RA_WIN95) ? MAX_SAM_ENTRIES_W95 : MAX_SAM_ENTRIES_W2K;
1069 struct samr_displayentry *entries = NULL;
1070
1071 DEBUG(5, ("samr_reply_query_dispinfo: %d\n", __LINE__));
1072 r_u->status = NT_STATUS_UNSUCCESSFUL;
1073
1074 /* find the policy handle. open a policy on it. */
1075 if (!find_policy_by_hnd(p, &q_u->domain_pol, (void **)(void *)&info))
1076 return NT_STATUS_INVALID_HANDLE;
1077
1078 /*
1079 * calculate how many entries we will return.
1080 * based on
1081 * - the number of entries the client asked
1082 * - our limit on that
1083 * - the starting point (enumeration context)
1084 * - the buffer size the client will accept
1085 */
1086
1087 /*
1088 * We are a lot more like W2K. Instead of reading the SAM
1089 * each time to find the records we need to send back,
1090 * we read it once and link that copy to the sam handle.
1091 * For large user list (over the MAX_SAM_ENTRIES)
1092 * it's a definitive win.
1093 * second point to notice: between enumerations
1094 * our sam is now the same as it's a snapshoot.
1095 * third point: got rid of the static SAM_USER_21 struct
1096 * no more intermediate.
1097 * con: it uses much more memory, as a full copy is stored
1098 * in memory.
1099 *
1100 * If you want to change it, think twice and think
1101 * of the second point , that's really important.
1102 *
1103 * JFM, 12/20/2001
1104 */
1105
1106 if ((q_u->switch_level < 1) || (q_u->switch_level > 5)) {
1107 DEBUG(0,("_samr_query_dispinfo: Unknown info level (%u)\n",
1108 (unsigned int)q_u->switch_level ));
1109 return NT_STATUS_INVALID_INFO_CLASS;
1110 }
1111
1112 /* first limit the number of entries we will return */
1113 if(max_entries > max_sam_entries) {
1114 DEBUG(5, ("samr_reply_query_dispinfo: client requested %d "
1115 "entries, limiting to %d\n", max_entries,
1116 max_sam_entries));
1117 max_entries = max_sam_entries;
1118 }
1119
1120 /* calculate the size and limit on the number of entries we will
1121 * return */
1122
1123 temp_size=max_entries*struct_size;
1124
1125 if (temp_size>max_size) {
1126 max_entries=MIN((max_size/struct_size),max_entries);;
1127 DEBUG(5, ("samr_reply_query_dispinfo: buffer size limits to "
1128 "only %d entries\n", max_entries));
1129 }
1130
1131 if (!(ctr = TALLOC_ZERO_P(p->mem_ctx,SAM_DISPINFO_CTR)))
1132 return NT_STATUS_NO_MEMORY;
1133
1134 ZERO_STRUCTP(ctr);
1135
1136 become_root();
1137
1138 /* THe following done as ROOT. Don't return without unbecome_root(). */
1139
1140 switch (q_u->switch_level) {
1141 case 0x1:
1142 case 0x4:
1143 if (info->disp_info->users == NULL) {
1144 info->disp_info->users = pdb_search_users(ACB_NORMAL);
1145 if (info->disp_info->users == NULL) {
1146 unbecome_root();
1147 return NT_STATUS_ACCESS_DENIED;
1148 }
1149 DEBUG(10,("samr_reply_query_dispinfo: starting user enumeration at index %u\n",
1150 (unsigned int)enum_context ));
1151 } else {
1152 DEBUG(10,("samr_reply_query_dispinfo: using cached user enumeration at index %u\n",
1153 (unsigned int)enum_context ));
1154 }
1155
1156 num_account = pdb_search_entries(info->disp_info->users,
1157 enum_context, max_entries,
1158 &entries);
1159 break;
1160 case 0x2:
1161 if (info->disp_info->machines == NULL) {
1162 info->disp_info->machines =
1163 pdb_search_users(ACB_WSTRUST|ACB_SVRTRUST);
1164 if (info->disp_info->machines == NULL) {
1165 unbecome_root();
1166 return NT_STATUS_ACCESS_DENIED;
1167 }
1168 DEBUG(10,("samr_reply_query_dispinfo: starting machine enumeration at index %u\n",
1169 (unsigned int)enum_context ));
1170 } else {
1171 DEBUG(10,("samr_reply_query_dispinfo: using cached machine enumeration at index %u\n",
1172 (unsigned int)enum_context ));
1173 }
1174
1175 num_account = pdb_search_entries(info->disp_info->machines,
1176 enum_context, max_entries,
1177 &entries);
1178 break;
1179 case 0x3:
1180 case 0x5:
1181 if (info->disp_info->groups == NULL) {
1182 info->disp_info->groups = pdb_search_groups();
1183 if (info->disp_info->groups == NULL) {
1184 unbecome_root();
1185 return NT_STATUS_ACCESS_DENIED;
1186 }
1187 DEBUG(10,("samr_reply_query_dispinfo: starting group enumeration at index %u\n",
1188 (unsigned int)enum_context ));
1189 } else {
1190 DEBUG(10,("samr_reply_query_dispinfo: using cached group enumeration at index %u\n",
1191 (unsigned int)enum_context ));
1192 }
1193
1194 num_account = pdb_search_entries(info->disp_info->groups,
1195 enum_context, max_entries,
1196 &entries);
1197 break;
1198 default:
1199 unbecome_root();
1200 smb_panic("info class changed");
1201 break;
1202 }
1203 unbecome_root();
1204
1205 /* Now create reply structure */
1206 switch (q_u->switch_level) {
1207 case 0x1:
1208 disp_ret = init_sam_dispinfo_1(p->mem_ctx, &ctr->sam.info1,
1209 num_account, enum_context,
1210 entries);
1211 break;
1212 case 0x2:
1213 disp_ret = init_sam_dispinfo_2(p->mem_ctx, &ctr->sam.info2,
1214 num_account, enum_context,
1215 entries);
1216 break;
1217 case 0x3:
1218 disp_ret = init_sam_dispinfo_3(p->mem_ctx, &ctr->sam.info3,
1219 num_account, enum_context,
1220 entries);
1221 break;
1222 case 0x4:
1223 disp_ret = init_sam_dispinfo_4(p->mem_ctx, &ctr->sam.info4,
1224 num_account, enum_context,
1225 entries);
1226 break;
1227 case 0x5:
1228 disp_ret = init_sam_dispinfo_5(p->mem_ctx, &ctr->sam.info5,
1229 num_account, enum_context,
1230 entries);
1231 break;
1232 default:
1233 smb_panic("info class changed");
1234 break;
1235 }
1236
1237 if (!NT_STATUS_IS_OK(disp_ret))
1238 return disp_ret;
1239
1240 /* calculate the total size */
1241 total_data_size=num_account*struct_size;
1242
1243 if (num_account) {
1244 r_u->status = STATUS_MORE_ENTRIES;
1245 } else {
1246 r_u->status = NT_STATUS_OK;
1247 }
1248
1249 /* Ensure we cache this enumeration. */
1250 set_disp_info_cache_timeout(info->disp_info, DISP_INFO_CACHE_TIMEOUT);
1251
1252 DEBUG(5, ("_samr_query_dispinfo: %d\n", __LINE__));
1253
1254 init_samr_r_query_dispinfo(r_u, num_account, total_data_size,
1255 temp_size, q_u->switch_level, ctr,
1256 r_u->status);
1257
1258 return r_u->status;
1259
1260 }
1261
1262 /*******************************************************************
1263 samr_reply_query_aliasinfo
1264 ********************************************************************/
1265
1266 NTSTATUS _samr_query_aliasinfo(pipes_struct *p, SAMR_Q_QUERY_ALIASINFO *q_u, SAMR_R_QUERY_ALIASINFO *r_u)
1267 {
1268 DOM_SID sid;
1269 struct acct_info info;
1270 uint32 acc_granted;
1271 BOOL ret;
1272
1273 r_u->status = NT_STATUS_OK;
1274
1275 DEBUG(5,("_samr_query_aliasinfo: %d\n", __LINE__));
1276
1277 /* find the policy handle. open a policy on it. */
1278 if (!get_lsa_policy_samr_sid(p, &q_u->pol, &sid, &acc_granted, NULL))
1279 return NT_STATUS_INVALID_HANDLE;
1280 if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, SA_RIGHT_ALIAS_LOOKUP_INFO, "_samr_query_aliasinfo"))) {
1281 return r_u->status;
1282 }
1283
1284 become_root();
1285 ret = pdb_get_aliasinfo(&sid, &info);
1286 unbecome_root();
1287
1288 if ( !ret )
1289 return NT_STATUS_NO_SUCH_ALIAS;
1290
1291 if ( !(r_u->ctr = TALLOC_ZERO_P( p->mem_ctx, ALIAS_INFO_CTR )) )
1292 return NT_STATUS_NO_MEMORY;
1293
1294
1295 switch (q_u->level ) {
1296 case 1:
1297 r_u->ctr->level = 1;
1298 init_samr_alias_info1(&r_u->ctr->alias.info1, info.acct_name, 1, info.acct_desc);
1299 break;
1300 case 3:
1301 r_u->ctr->level = 3;
1302 init_samr_alias_info3(&r_u->ctr->alias.info3, info.acct_desc);
1303 break;
1304 default:
1305 return NT_STATUS_INVALID_INFO_CLASS;
1306 }
1307
1308 DEBUG(5,("_samr_query_aliasinfo: %d\n", __LINE__));
1309
1310 return r_u->status;
1311 }
1312
1313 #if 0
1314 /*******************************************************************
1315 samr_reply_lookup_ids
1316 ********************************************************************/
1317
1318 uint32 _samr_lookup_ids(pipes_struct *p, SAMR_Q_LOOKUP_IDS *q_u, SAMR_R_LOOKUP_IDS *r_u)
1319 {
1320 uint32 rid[MAX_SAM_ENTRIES];
1321 int num_rids = q_u->num_sids1;
1322
1323 r_u->status = NT_STATUS_OK;
1324
1325 DEBUG(5,("_samr_lookup_ids: %d\n", __LINE__));
1326
1327 if (num_rids > MAX_SAM_ENTRIES) {
1328 num_rids = MAX_SAM_ENTRIES;
1329 DEBUG(5,("_samr_lookup_ids: truncating entries to %d\n", num_rids));
1330 }
1331
1332 #if 0
1333 int i;
1334 SMB_ASSERT_ARRAY(q_u->uni_user_name, num_rids);
1335
1336 for (i = 0; i < num_rids && status == 0; i++)
1337 {
1338 struct sam_passwd *sam_pass;
1339 fstring user_name;
1340
1341
1342 fstrcpy(user_name, unistrn2(q_u->uni_user_name[i].buffer,
1343 q_u->uni_user_name[i].uni_str_len));
1344
1345 /* find the user account */
1346 become_root();
1347 sam_pass = get_smb21pwd_entry(user_name, 0);
1348 unbecome_root();
1349
1350 if (sam_pass == NULL)
1351 {
1352 status = 0xC0000000 | NT_STATUS_NO_SUCH_USER;
1353 rid[i] = 0;
1354 }
1355 else
1356 {
1357 rid[i] = sam_pass->user_rid;
1358 }
1359 }
1360 #endif
1361
1362 num_rids = 1;
1363 rid[0] = BUILTIN_ALIAS_RID_USERS;
1364
1365 init_samr_r_lookup_ids(&r_u, num_rids, rid, NT_STATUS_OK);
1366
1367 DEBUG(5,("_samr_lookup_ids: %d\n", __LINE__));
1368
1369 return r_u->status;
1370 }
1371 #endif
1372
1373 /*******************************************************************
1374 _samr_lookup_names
1375 ********************************************************************/
1376
1377 NTSTATUS _samr_lookup_names(pipes_struct *p, SAMR_Q_LOOKUP_NAMES *q_u, SAMR_R_LOOKUP_NAMES *r_u)
1378 {
1379 uint32 rid[MAX_SAM_ENTRIES];
1380 enum SID_NAME_USE type[MAX_SAM_ENTRIES];
1381 int i;
1382 int num_rids = q_u->num_names2;
1383 DOM_SID pol_sid;
1384 fstring sid_str;
1385 uint32 acc_granted;
1386
1387 r_u->status = NT_STATUS_OK;
1388
1389 DEBUG(5,("_samr_lookup_names: %d\n", __LINE__));
1390
1391 ZERO_ARRAY(rid);
1392 ZERO_ARRAY(type);
1393
1394 if (!get_lsa_policy_samr_sid(p, &q_u->pol, &pol_sid, &acc_granted, NULL)) {
1395 init_samr_r_lookup_names(p->mem_ctx, r_u, 0, NULL, NULL, NT_STATUS_OBJECT_TYPE_MISMATCH);
1396 return r_u->status;
1397 }
1398
1399 if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, 0, "_samr_lookup_names"))) { /* Don't know the acc_bits yet */
1400 return r_u->status;
1401 }
1402
1403 if (num_rids > MAX_SAM_ENTRIES) {
1404 num_rids = MAX_SAM_ENTRIES;
1405 DEBUG(5,("_samr_lookup_names: truncating entries to %d\n", num_rids));
1406 }
1407
1408 DEBUG(5,("_samr_lookup_names: looking name on SID %s\n", sid_to_string(sid_str, &pol_sid)));
1409
1410 for (i = 0; i < num_rids; i++) {
1411 fstring name;
1412 int ret;
1413
1414 r_u->status = NT_STATUS_NONE_MAPPED;
1415 type[i] = SID_NAME_UNKNOWN;
1416
1417 rid [i] = 0xffffffff;
1418
1419 ret = rpcstr_pull(name, q_u->uni_name[i].buffer, sizeof(name), q_u->uni_name[i].uni_str_len*2, 0);
1420
1421 if (ret <= 0) {
1422 continue;
1423 }
1424
1425 if (sid_check_is_builtin(&pol_sid)) {
1426 if (lookup_builtin_name(name, &rid[i])) {
1427 type[i] = SID_NAME_ALIAS;
1428 }
1429 } else {
1430 lookup_global_sam_name(name, 0, &rid[i], &type[i]);
1431 }
1432
1433 if (type[i] != SID_NAME_UNKNOWN) {
1434 r_u->status = NT_STATUS_OK;
1435 }
1436 }
1437
1438 init_samr_r_lookup_names(p->mem_ctx, r_u, num_rids, rid, (uint32 *)type, r_u->status);
1439
1440 DEBUG(5,("_samr_lookup_names: %d\n", __LINE__));
1441
1442 return r_u->status;
1443 }
1444
1445 /*******************************************************************
1446 _samr_chgpasswd_user
1447 ********************************************************************/
1448
1449 NTSTATUS _samr_chgpasswd_user(pipes_struct *p, SAMR_Q_CHGPASSWD_USER *q_u, SAMR_R_CHGPASSWD_USER *r_u)
1450 {
1451 fstring user_name;
1452 fstring wks;
1453
1454 DEBUG(5,("_samr_chgpasswd_user: %d\n", __LINE__));
1455
1456 r_u->status = NT_STATUS_OK;
1457
1458 rpcstr_pull(user_name, q_u->uni_user_name.buffer, sizeof(user_name), q_u->uni_user_name.uni_str_len*2, 0);
1459 rpcstr_pull(wks, q_u->uni_dest_host.buffer, sizeof(wks), q_u->uni_dest_host.uni_str_len*2,0);
1460
1461 DEBUG(5,("samr_chgpasswd_user: user: %s wks: %s\n", user_name, wks));
1462
1463 /*
1464 * Pass the user through the NT -> unix user mapping
1465 * function.
1466 */
1467
1468 (void)map_username(user_name);
1469
1470 /*
1471 * UNIX username case mangling not required, pass_oem_change
1472 * is case insensitive.
1473 */
1474
1475 r_u->status = pass_oem_change(user_name, q_u->lm_newpass.pass, q_u->lm_oldhash.hash,
1476 q_u->nt_newpass.pass, q_u->nt_oldhash.hash, NULL);
1477
1478 init_samr_r_chgpasswd_user(r_u, r_u->status);
1479
1480 DEBUG(5,("_samr_chgpasswd_user: %d\n", __LINE__));
1481
1482 return r_u->status;
1483 }
1484
1485 /*******************************************************************
1486 _samr_chgpasswd_user3
1487 ********************************************************************/
1488
1489 NTSTATUS _samr_chgpasswd_user3(pipes_struct *p, SAMR_Q_CHGPASSWD_USER3 *q_u, SAMR_R_CHGPASSWD_USER3 *r_u)
1490 {
1491 fstring user_name;
1492 fstring wks;
1493 uint32 reject_reason;
1494 SAM_UNK_INFO_1 *info = NULL;
1495 SAMR_CHANGE_REJECT *reject = NULL;
1496
1497 DEBUG(5,("_samr_chgpasswd_user3: %d\n", __LINE__));
1498
1499 rpcstr_pull(user_name, q_u->uni_user_name.buffer, sizeof(user_name), q_u->uni_user_name.uni_str_len*2, 0);
1500 rpcstr_pull(wks, q_u->uni_dest_host.buffer, sizeof(wks), q_u->uni_dest_host.uni_str_len*2,0);
1501
1502 DEBUG(5,("_samr_chgpasswd_user3: user: %s wks: %s\n", user_name, wks));
1503
1504 /*
1505 * Pass the user through the NT -> unix user mapping
1506 * function.
1507 */
1508
1509 (void)map_username(user_name);
1510
1511 /*
1512 * UNIX username case mangling not required, pass_oem_change
1513 * is case insensitive.
1514 */
1515
1516 r_u->status = pass_oem_change(user_name, q_u->lm_newpass.pass, q_u->lm_oldhash.hash,
1517 q_u->nt_newpass.pass, q_u->nt_oldhash.hash, &reject_reason);
1518
1519 if (NT_STATUS_EQUAL(r_u->status, NT_STATUS_PASSWORD_RESTRICTION) ||
1520 NT_STATUS_EQUAL(r_u->status, NT_STATUS_ACCOUNT_RESTRICTION)) {
1521
1522 uint32 min_pass_len,pass_hist,password_properties;
1523 time_t u_expire, u_min_age;
1524 NTTIME nt_expire, nt_min_age;
1525 uint32 account_policy_temp;
1526
1527 if ((info = TALLOC_ZERO_P(p->mem_ctx, SAM_UNK_INFO_1)) == NULL) {
1528 return NT_STATUS_NO_MEMORY;
1529 }
1530
1531 if ((reject = TALLOC_ZERO_P(p->mem_ctx, SAMR_CHANGE_REJECT)) == NULL) {
1532 return NT_STATUS_NO_MEMORY;
1533 }
1534
1535 ZERO_STRUCTP(info);
1536 ZERO_STRUCTP(reject);
1537
1538 become_root();
1539
1540 /* AS ROOT !!! */
1541
1542 pdb_get_account_policy(AP_MIN_PASSWORD_LEN, &account_policy_temp);
1543 min_pass_len = account_policy_temp;
1544
1545 pdb_get_account_policy(AP_PASSWORD_HISTORY, &account_policy_temp);
1546 pass_hist = account_policy_temp;
1547
1548 pdb_get_account_policy(AP_USER_MUST_LOGON_TO_CHG_PASS, &account_policy_temp);
1549 password_properties = account_policy_temp;
1550
1551 pdb_get_account_policy(AP_MAX_PASSWORD_AGE, &account_policy_temp);
1552 u_expire = account_policy_temp;
1553
1554 pdb_get_account_policy(AP_MIN_PASSWORD_AGE, &account_policy_temp);
1555 u_min_age = account_policy_temp;
1556
1557 /* !AS ROOT */
1558
1559 unbecome_root();
1560
1561 unix_to_nt_time_abs(&nt_expire, u_expire);
1562 unix_to_nt_time_abs(&nt_min_age, u_min_age);
1563
1564 init_unk_info1(info, (uint16)min_pass_len, (uint16)pass_hist,
1565 password_properties, nt_expire, nt_min_age);
1566
1567 reject->reject_reason = reject_reason;
1568 }
1569
1570 init_samr_r_chgpasswd_user3(r_u, r_u->status, reject, info);
1571
1572 DEBUG(5,("_samr_chgpasswd_user3: %d\n", __LINE__));
1573
1574 return r_u->status;
1575 }
1576
1577 /*******************************************************************
1578 makes a SAMR_R_LOOKUP_RIDS structure.
1579 ********************************************************************/
1580
1581 static BOOL make_samr_lookup_rids(TALLOC_CTX *ctx, uint32 num_names,
1582 const char **names, UNIHDR **pp_hdr_name,
1583 UNISTR2 **pp_uni_name)
1584 {
1585 uint32 i;
1586 UNIHDR *hdr_name=NULL;
1587 UNISTR2 *uni_name=NULL;
1588
1589 *pp_uni_name = NULL;
1590 *pp_hdr_name = NULL;
1591
1592 if (num_names != 0) {
1593 hdr_name = TALLOC_ZERO_ARRAY(ctx, UNIHDR, num_names);
1594 if (hdr_name == NULL)
1595 return False;
1596
1597 uni_name = TALLOC_ZERO_ARRAY(ctx,UNISTR2, num_names);
1598 if (uni_name == NULL)
1599 return False;
1600 }
1601
1602 for (i = 0; i < num_names; i++) {
1603 DEBUG(10, ("names[%d]:%s\n", i, names[i] && *names[i] ? names[i] : ""));
1604 init_unistr2(&uni_name[i], names[i], UNI_FLAGS_NONE);
1605 init_uni_hdr(&hdr_name[i], &uni_name[i]);
1606 }
1607
1608 *pp_uni_name = uni_name;
1609 *pp_hdr_name = hdr_name;
1610
1611 return True;
1612 }
1613
1614 /*******************************************************************
1615 _samr_lookup_rids
1616 ********************************************************************/
1617
1618 NTSTATUS _samr_lookup_rids(pipes_struct *p, SAMR_Q_LOOKUP_RIDS *q_u, SAMR_R_LOOKUP_RIDS *r_u)
1619 {
1620 const char **names;
1621 uint32 *attrs = NULL;
1622 UNIHDR *hdr_name = NULL;
1623 UNISTR2 *uni_name = NULL;
1624 DOM_SID pol_sid;
1625 int num_rids = q_u->num_rids1;
1626 uint32 acc_granted;
1627
1628 r_u->status = NT_STATUS_OK;
1629
1630 DEBUG(5,("_samr_lookup_rids: %d\n", __LINE__));
1631
1632 /* find the policy handle. open a policy on it. */
1633 if (!get_lsa_policy_samr_sid(p, &q_u->pol, &pol_sid, &acc_granted, NULL))
1634 return NT_STATUS_INVALID_HANDLE;
1635
1636 if (num_rids > 1000) {
1637 DEBUG(0, ("Got asked for %d rids (more than 1000) -- according "
1638 "to samba4 idl this is not possible\n", num_rids));
1639 return NT_STATUS_UNSUCCESSFUL;
1640 }
1641
1642 names = TALLOC_ZERO_ARRAY(p->mem_ctx, const char *, num_rids);
1643 attrs = TALLOC_ZERO_ARRAY(p->mem_ctx, uint32, num_rids);
1644
1645 if ((num_rids != 0) && ((names == NULL) || (attrs == NULL)))
1646 return NT_STATUS_NO_MEMORY;
1647
1648 become_root(); /* lookup_sid can require root privs */
1649 r_u->status = pdb_lookup_rids(&pol_sid, num_rids, q_u->rid,
1650 names, attrs);
1651 unbecome_root();
1652
1653 if ( NT_STATUS_EQUAL(r_u->status, NT_STATUS_NONE_MAPPED) && (num_rids == 0) ) {
1654 r_u->status = NT_STATUS_OK;
1655 }
1656
1657 if(!make_samr_lookup_rids(p->mem_ctx, num_rids, names,
1658 &hdr_name, &uni_name))
1659 return NT_STATUS_NO_MEMORY;
1660
1661 init_samr_r_lookup_rids(r_u, num_rids, hdr_name, uni_name, attrs);
1662
1663 DEBUG(5,("_samr_lookup_rids: %d\n", __LINE__));
1664
1665 return r_u->status;
1666 }
1667
1668 /*******************************************************************
1669 _samr_open_user. Safe - gives out no passwd info.
1670 ********************************************************************/
1671
1672 NTSTATUS _samr_open_user(pipes_struct *p, SAMR_Q_OPEN_USER *q_u, SAMR_R_OPEN_USER *r_u)
1673 {
1674 struct samu *sampass=NULL;
1675 DOM_SID sid;
1676 POLICY_HND domain_pol = q_u->domain_pol;
1677 POLICY_HND *user_pol = &r_u->user_pol;
1678 struct samr_info *info = NULL;
1679 SEC_DESC *psd = NULL;
1680 uint32 acc_granted;
1681 uint32 des_access = q_u->access_mask;
1682 size_t sd_size;
1683 BOOL ret;
1684 NTSTATUS nt_status;
1685 SE_PRIV se_rights;
1686
1687 r_u->status = NT_STATUS_OK;
1688
1689 /* find the domain policy handle and get domain SID / access bits in the domain policy. */
1690
1691 if ( !get_lsa_policy_samr_sid(p, &domain_pol, &sid, &acc_granted, NULL) )
1692 return NT_STATUS_INVALID_HANDLE;
1693
1694 nt_status = access_check_samr_function( acc_granted,
1695 SA_RIGHT_DOMAIN_OPEN_ACCOUNT, "_samr_open_user" );
1696
1697 if ( !NT_STATUS_IS_OK(nt_status) )
1698 return nt_status;
1699
1700 if ( !(sampass = samu_new( p->mem_ctx )) ) {
1701 return NT_STATUS_NO_MEMORY;
1702 }
1703
1704 /* append the user's RID to it */
1705
1706 if (!sid_append_rid(&sid, q_u->user_rid))
1707 return NT_STATUS_NO_SUCH_USER;
1708
1709 /* check if access can be granted as requested by client. */
1710
1711 make_samr_object_sd(p->mem_ctx, &psd, &sd_size, &usr_generic_mapping, &sid, SAMR_USR_RIGHTS_WRITE_PW);
1712 se_map_generic(&des_access, &usr_generic_mapping);
1713
1714 se_priv_copy( &se_rights, &se_machine_account );
1715 se_priv_add( &se_rights, &se_add_users );
1716
1717 nt_status = access_check_samr_object(psd, p->pipe_user.nt_user_token,
1718 &se_rights, GENERIC_RIGHTS_USER_WRITE, des_access,
1719 &acc_granted, "_samr_open_user");
1720
1721 if ( !NT_STATUS_IS_OK(nt_status) )
1722 return nt_status;
1723
1724 become_root();
1725 ret=pdb_getsampwsid(sampass, &sid);
1726 unbecome_root();
1727
1728 /* check that the SID exists in our domain. */
1729 if (ret == False) {
1730 return NT_STATUS_NO_SUCH_USER;
1731 }
1732
1733 TALLOC_FREE(sampass);
1734
1735 /* associate the user's SID and access bits with the new handle. */
1736 if ((info = get_samr_info_by_sid(&sid)) == NULL)
1737 return NT_STATUS_NO_MEMORY;
1738 info->acc_granted = acc_granted;
1739
1740 /* get a (unique) handle. open a policy on it. */
1741 if (!create_policy_hnd(p, user_pol, free_samr_info, (void *)info))
1742 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
1743
1744 return r_u->status;
1745 }
1746
1747 /*************************************************************************
1748 get_user_info_7. Safe. Only gives out account_name.
1749 *************************************************************************/
1750
1751 static NTSTATUS get_user_info_7(TALLOC_CTX *mem_ctx, SAM_USER_INFO_7 *id7, DOM_SID *user_sid)
1752 {
1753 struct samu *smbpass=NULL;
1754 BOOL ret;
1755
1756 if ( !(smbpass = samu_new( mem_ctx )) ) {
1757 return NT_STATUS_NO_MEMORY;
1758 }
1759
1760 become_root();
1761 ret = pdb_getsampwsid(smbpass, user_sid);
1762 unbecome_root();
1763
1764 if ( !ret ) {
1765 DEBUG(4,("User %s not found\n", sid_string_static(user_sid)));
1766 return NT_STATUS_NO_SUCH_USER;
1767 }
1768
1769 DEBUG(3,("User:[%s]\n", pdb_get_username(smbpass) ));
1770
1771 ZERO_STRUCTP(id7);
1772 init_sam_user_info7(id7, pdb_get_username(smbpass) );
1773
1774 TALLOC_FREE(smbpass);
1775
1776 return NT_STATUS_OK;
1777 }
1778
1779 /*************************************************************************
1780 get_user_info_9. Only gives out primary group SID.
1781 *************************************************************************/
1782 static NTSTATUS get_user_info_9(TALLOC_CTX *mem_ctx, SAM_USER_INFO_9 * id9, DOM_SID *user_sid)
1783 {
1784 struct samu *smbpass=NULL;
1785 BOOL ret;
1786
1787 if ( !(smbpass = samu_new( mem_ctx )) ) {
1788 return NT_STATUS_NO_MEMORY;
1789 }
1790
1791 become_root();
1792 ret = pdb_getsampwsid(smbpass, user_sid);
1793 unbecome_root();
1794
1795 if (ret==False) {
1796 DEBUG(4,("User %s not found\n", sid_string_static(user_sid)));
1797 return NT_STATUS_NO_SUCH_USER;
1798 }
1799
1800 DEBUG(3,("User:[%s]\n", pdb_get_username(smbpass) ));
1801
1802 ZERO_STRUCTP(id9);
1803 init_sam_user_info9(id9, pdb_get_group_rid(smbpass) );
1804
1805 TALLOC_FREE(smbpass);
1806
1807 return NT_STATUS_OK;
1808 }
1809
1810 /*************************************************************************
1811 get_user_info_16. Safe. Only gives out acb bits.
1812 *************************************************************************/
1813
1814 static NTSTATUS get_user_info_16(TALLOC_CTX *mem_ctx, SAM_USER_INFO_16 *id16, DOM_SID *user_sid)
1815 {
1816 struct samu *smbpass=NULL;
1817 BOOL ret;
1818
1819 if ( !(smbpass = samu_new( mem_ctx )) ) {
1820 return NT_STATUS_NO_MEMORY;
1821 }
1822
1823 become_root();
1824 ret = pdb_getsampwsid(smbpass, user_sid);
1825 unbecome_root();
1826
1827 if (ret==False) {
1828 DEBUG(4,("User %s not found\n", sid_string_static(user_sid)));
1829 return NT_STATUS_NO_SUCH_USER;
1830 }
1831
1832 DEBUG(3,("User:[%s]\n", pdb_get_username(smbpass) ));
1833
1834 ZERO_STRUCTP(id16);
1835 init_sam_user_info16(id16, pdb_get_acct_ctrl(smbpass) );
1836
1837 TALLOC_FREE(smbpass);
1838
1839 return NT_STATUS_OK;
1840 }
1841
1842 /*************************************************************************
1843 get_user_info_18. OK - this is the killer as it gives out password info.
1844 Ensure that this is only allowed on an encrypted connection with a root
1845 user. JRA.
1846 *************************************************************************/
1847
1848 static NTSTATUS get_user_info_18(pipes_struct *p, TALLOC_CTX *mem_ctx, SAM_USER_INFO_18 * id18, DOM_SID *user_sid)
1849 {
1850 struct samu *smbpass=NULL;
1851 BOOL ret;
1852
1853 if (p->auth.auth_type != PIPE_AUTH_TYPE_NTLMSSP || p->auth.auth_type != PIPE_AUTH_TYPE_SPNEGO_NTLMSSP) {
1854 return NT_STATUS_ACCESS_DENIED;
1855 }
1856
1857 if (p->auth.auth_level != PIPE_AUTH_LEVEL_PRIVACY) {
1858 return NT_STATUS_ACCESS_DENIED;
1859 }
1860
1861 /*
1862 * Do *NOT* do become_root()/unbecome_root() here ! JRA.
1863 */
1864
1865 if ( !(smbpass = samu_new( mem_ctx )) ) {
1866 return NT_STATUS_NO_MEMORY;
1867 }
1868
1869 ret = pdb_getsampwsid(smbpass, user_sid);
1870
1871 if (ret == False) {
1872 DEBUG(4, ("User %s not found\n", sid_string_static(user_sid)));
1873 TALLOC_FREE(smbpass);
1874 return (geteuid() == (uid_t)0) ? NT_STATUS_NO_SUCH_USER : NT_STATUS_ACCESS_DENIED;
1875 }
1876
1877 DEBUG(3,("User:[%s] 0x%x\n", pdb_get_username(smbpass), pdb_get_acct_ctrl(smbpass) ));
1878
1879 if ( pdb_get_acct_ctrl(smbpass) & ACB_DISABLED) {
1880 TALLOC_FREE(smbpass);
1881 return NT_STATUS_ACCOUNT_DISABLED;
1882 }
1883
1884 ZERO_STRUCTP(id18);
1885 init_sam_user_info18(id18, pdb_get_lanman_passwd(smbpass), pdb_get_nt_passwd(smbpass));
1886
1887 TALLOC_FREE(smbpass);
1888
1889 return NT_STATUS_OK;
1890 }
1891
1892 /*************************************************************************
1893 get_user_info_20
1894 *************************************************************************/
1895
1896 static NTSTATUS get_user_info_20(TALLOC_CTX *mem_ctx, SAM_USER_INFO_20 *id20, DOM_SID *user_sid)
1897 {
1898 struct samu *sampass=NULL;
1899 BOOL ret;
1900
1901 if ( !(sampass = samu_new( mem_ctx )) ) {
1902 return NT_STATUS_NO_MEMORY;
1903 }
1904
1905 become_root();
1906 ret = pdb_getsampwsid(sampass, user_sid);
1907 unbecome_root();
1908
1909 if (ret == False) {
1910 DEBUG(4,("User %s not found\n", sid_string_static(user_sid)));
1911 return NT_STATUS_NO_SUCH_USER;
1912 }
1913
1914 samr_clear_sam_passwd(sampass);
1915
1916 DEBUG(3,("User:[%s]\n", pdb_get_username(sampass) ));
1917
1918 ZERO_STRUCTP(id20);
1919 init_sam_user_info20A(id20, sampass);
1920
1921 TALLOC_FREE(sampass);
1922
1923 return NT_STATUS_OK;
1924 }
1925
1926 /*************************************************************************
1927 get_user_info_21
1928 *************************************************************************/
1929
1930 static NTSTATUS get_user_info_21(TALLOC_CTX *mem_ctx, SAM_USER_INFO_21 *id21,
1931 DOM_SID *user_sid, DOM_SID *domain_sid)
1932 {
1933 struct samu *sampass=NULL;
1934 BOOL ret;
1935 NTSTATUS nt_status;
1936
1937 if ( !(sampass = samu_new( mem_ctx )) ) {
1938 return NT_STATUS_NO_MEMORY;
1939 }
1940
1941 become_root();
1942 ret = pdb_getsampwsid(sampass, user_sid);
1943 unbecome_root();
1944
1945 if (ret == False) {
1946 DEBUG(4,("User %s not found\n", sid_string_static(user_sid)));
1947 return NT_STATUS_NO_SUCH_USER;
1948 }
1949
1950 samr_clear_sam_passwd(sampass);
1951
1952 DEBUG(3,("User:[%s]\n", pdb_get_username(sampass) ));
1953
1954 ZERO_STRUCTP(id21);
1955 nt_status = init_sam_user_info21A(id21, sampass, domain_sid);
1956
1957 TALLOC_FREE(sampass);
1958
1959 return nt_status;
1960 }
1961
1962 /*******************************************************************
1963 _samr_query_userinfo
1964 ********************************************************************/
1965
1966 NTSTATUS _samr_query_userinfo(pipes_struct *p, SAMR_Q_QUERY_USERINFO *q_u, SAMR_R_QUERY_USERINFO *r_u)
1967 {
1968 SAM_USERINFO_CTR *ctr;
1969 struct samr_info *info = NULL;
1970 DOM_SID domain_sid;
1971 uint32 rid;
1972
1973 r_u->status=NT_STATUS_OK;
1974
1975 /* search for the handle */
1976 if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&info))
1977 return NT_STATUS_INVALID_HANDLE;
1978
1979 domain_sid = info->sid;
1980
1981 sid_split_rid(&domain_sid, &rid);
1982
1983 if (!sid_check_is_in_our_domain(&info->sid))
1984 return NT_STATUS_OBJECT_TYPE_MISMATCH;
1985
1986 DEBUG(5,("_samr_query_userinfo: sid:%s\n", sid_string_static(&info->sid)));
1987
1988 ctr = TALLOC_ZERO_P(p->mem_ctx, SAM_USERINFO_CTR);
1989 if (!ctr)
1990 return NT_STATUS_NO_MEMORY;
1991
1992 ZERO_STRUCTP(ctr);
1993
1994 /* ok! user info levels (lots: see MSDEV help), off we go... */
1995 ctr->switch_value = q_u->switch_value;
1996
1997 DEBUG(5,("_samr_query_userinfo: user info level: %d\n", q_u->switch_value));
1998
1999 switch (q_u->switch_value) {
2000 case 7:
2001 ctr->info.id7 = TALLOC_ZERO_P(p->mem_ctx, SAM_USER_INFO_7);
2002 if (ctr->info.id7 == NULL)
2003 return NT_STATUS_NO_MEMORY;
2004
2005 if (!NT_STATUS_IS_OK(r_u->status = get_user_info_7(p->mem_ctx, ctr->info.id7, &info->sid)))
2006 return r_u->status;
2007 break;
2008 case 9:
2009 ctr->info.id9 = TALLOC_ZERO_P(p->mem_ctx, SAM_USER_INFO_9);
2010 if (ctr->info.id9 == NULL)
2011 return NT_STATUS_NO_MEMORY;
2012
2013 if (!NT_STATUS_IS_OK(r_u->status = get_user_info_9(p->mem_ctx, ctr->info.id9, &info->sid)))
2014 return r_u->status;
2015 break;
2016 case 16:
2017 ctr->info.id16 = TALLOC_ZERO_P(p->mem_ctx, SAM_USER_INFO_16);
2018 if (ctr->info.id16 == NULL)
2019 return NT_STATUS_NO_MEMORY;
2020
2021 if (!NT_STATUS_IS_OK(r_u->status = get_user_info_16(p->mem_ctx, ctr->info.id16, &info->sid)))
2022 return r_u->status;
2023 break;
2024
2025 case 18:
2026 ctr->info.id18 = TALLOC_ZERO_P(p->mem_ctx, SAM_USER_INFO_18);
2027 if (ctr->info.id18 == NULL)
2028 return NT_STATUS_NO_MEMORY;
2029
2030 if (!NT_STATUS_IS_OK(r_u->status = get_user_info_18(p, p->mem_ctx, ctr->info.id18, &info->sid)))
2031 return r_u->status;
2032 break;
2033
2034 case 20:
2035 ctr->info.id20 = TALLOC_ZERO_P(p->mem_ctx,SAM_USER_INFO_20);
2036 if (ctr->info.id20 == NULL)
2037 return NT_STATUS_NO_MEMORY;
2038 if (!NT_STATUS_IS_OK(r_u->status = get_user_info_20(p->mem_ctx, ctr->info.id20, &info->sid)))
2039 return r_u->status;
2040 break;
2041
2042 case 21:
2043 ctr->info.id21 = TALLOC_ZERO_P(p->mem_ctx,SAM_USER_INFO_21);
2044 if (ctr->info.id21 == NULL)
2045 return NT_STATUS_NO_MEMORY;
2046 if (!NT_STATUS_IS_OK(r_u->status = get_user_info_21(p->mem_ctx, ctr->info.id21,
2047 &info->sid, &domain_sid)))
2048 return r_u->status;
2049 break;
2050
2051 default:
2052 return NT_STATUS_INVALID_INFO_CLASS;
2053 }
2054
2055 init_samr_r_query_userinfo(r_u, ctr, r_u->status);
2056
2057 DEBUG(5,("_samr_query_userinfo: %d\n", __LINE__));
2058
2059 return r_u->status;
2060 }
2061
2062 /*******************************************************************
2063 samr_reply_query_usergroups
2064 ********************************************************************/
2065
2066 NTSTATUS _samr_query_usergroups(pipes_struct *p, SAMR_Q_QUERY_USERGROUPS *q_u, SAMR_R_QUERY_USERGROUPS *r_u)
2067 {
2068 struct samu *sam_pass=NULL;
2069 DOM_SID sid;
2070 DOM_SID *sids;
2071 DOM_GID dom_gid;
2072 DOM_GID *gids = NULL;
2073 uint32 primary_group_rid;
2074 size_t num_groups = 0;
2075 gid_t *unix_gids;
2076 size_t i, num_gids;
2077 uint32 acc_granted;
2078 BOOL ret;
2079 NTSTATUS result;
2080
2081 /*
2082 * from the SID in the request:
2083 * we should send back the list of DOMAIN GROUPS
2084 * the user is a member of
2085 *
2086 * and only the DOMAIN GROUPS
2087 * no ALIASES !!! neither aliases of the domain
2088 * nor aliases of the builtin SID
2089 *
2090 * JFM, 12/2/2001
2091 */
2092
2093 r_u->status = NT_STATUS_OK;
2094
2095 DEBUG(5,("_samr_query_usergroups: %d\n", __LINE__));
2096
2097 /* find the policy handle. open a policy on it. */
2098 if (!get_lsa_policy_samr_sid(p, &q_u->pol, &sid, &acc_granted, NULL))
2099 return NT_STATUS_INVALID_HANDLE;
2100
2101 if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, SA_RIGHT_USER_GET_GROUPS, "_samr_query_usergroups"))) {
2102 return r_u->status;
2103 }
2104
2105 if (!sid_check_is_in_our_domain(&sid))
2106 return NT_STATUS_OBJECT_TYPE_MISMATCH;
2107
2108 if ( !(sam_pass = samu_new( p->mem_ctx )) ) {
2109 return NT_STATUS_NO_MEMORY;
2110 }
2111
2112 become_root();
2113 ret = pdb_getsampwsid(sam_pass, &sid);
2114 unbecome_root();
2115
2116 if (!ret) {
2117 DEBUG(10, ("pdb_getsampwsid failed for %s\n",
2118 sid_string_static(&sid)));
2119 return NT_STATUS_NO_SUCH_USER;
2120 }
2121
2122 sids = NULL;
2123
2124 become_root();
2125 result = pdb_enum_group_memberships(p->mem_ctx, sam_pass,
2126 &sids, &unix_gids, &num_groups);
2127 unbecome_root();
2128
2129 if (!NT_STATUS_IS_OK(result)) {
2130 DEBUG(10, ("pdb_enum_group_memberships failed for %s\n",
2131 sid_string_static(&sid)));
2132 return result;
2133 }
2134
2135 gids = NULL;
2136 num_gids = 0;
2137
2138 dom_gid.attr = (SE_GROUP_MANDATORY|SE_GROUP_ENABLED_BY_DEFAULT|
2139 SE_GROUP_ENABLED);
2140
2141 if (!sid_peek_check_rid(get_global_sam_sid(),
2142 pdb_get_group_sid(sam_pass),
2143 &primary_group_rid)) {
2144 DEBUG(5, ("Group sid %s for user %s not in our domain\n",
2145 sid_string_static(pdb_get_group_sid(sam_pass)),
2146 pdb_get_username(sam_pass)));
2147 TALLOC_FREE(sam_pass);
2148 return NT_STATUS_INTERNAL_DB_CORRUPTION;
2149 }
2150
2151 dom_gid.g_rid = primary_group_rid;
2152
2153 ADD_TO_ARRAY(p->mem_ctx, DOM_GID, dom_gid, &gids, &num_gids);
2154
2155 for (i=0; i<num_groups; i++) {
2156
2157 if (!sid_peek_check_rid(get_global_sam_sid(),
2158 &(sids[i]), &dom_gid.g_rid)) {
2159 DEBUG(10, ("Found sid %s not in our domain\n",
2160 sid_string_static(&sids[i])));
2161 continue;
2162 }
2163
2164 if (dom_gid.g_rid == primary_group_rid) {
2165 /* We added the primary group directly from the
2166 * sam_account. The other SIDs are unique from
2167 * enum_group_memberships */
2168 continue;
2169 }
2170
2171 ADD_TO_ARRAY(p->mem_ctx, DOM_GID, dom_gid, &gids, &num_gids);
2172 }
2173
2174 /* construct the response. lkclXXXX: gids are not copied! */
2175 init_samr_r_query_usergroups(r_u, num_gids, gids, r_u->status);
2176
2177 DEBUG(5,("_samr_query_usergroups: %d\n", __LINE__));
2178
2179 return r_u->status;
2180 }
2181
2182 /*******************************************************************
2183 _samr_query_domain_info
2184 ********************************************************************/
2185
2186 NTSTATUS _samr_query_domain_info(pipes_struct *p,
2187 SAMR_Q_QUERY_DOMAIN_INFO *q_u,
2188 SAMR_R_QUERY_DOMAIN_INFO *r_u)
2189 {
2190 struct samr_info *info = NULL;
2191 SAM_UNK_CTR *ctr;
2192 uint32 min_pass_len,pass_hist,password_properties;
2193 time_t u_expire, u_min_age;
2194 NTTIME nt_expire, nt_min_age;
2195
2196 time_t u_lock_duration, u_reset_time;
2197 NTTIME nt_lock_duration, nt_reset_time;
2198 uint32 lockout;
2199 time_t u_logout;
2200 NTTIME nt_logout;
2201
2202 uint32 account_policy_temp;
2203
2204 time_t seq_num;
2205 uint32 server_role;
2206
2207 uint32 num_users=0, num_groups=0, num_aliases=0;
2208
2209 if ((ctr = TALLOC_ZERO_P(p->mem_ctx, SAM_UNK_CTR)) == NULL) {
2210 return NT_STATUS_NO_MEMORY;
2211 }
2212
2213 ZERO_STRUCTP(ctr);
2214
2215 r_u->status = NT_STATUS_OK;
2216
2217 DEBUG(5,("_samr_query_domain_info: %d\n", __LINE__));
2218
2219 /* find the policy handle. open a policy on it. */
2220 if (!find_policy_by_hnd(p, &q_u->domain_pol, (void **)(void *)&info)) {
2221 return NT_STATUS_INVALID_HANDLE;
2222 }
2223
2224 switch (q_u->switch_value) {
2225 case 0x01:
2226
2227 become_root();
2228
2229 /* AS ROOT !!! */
2230
2231 pdb_get_account_policy(AP_MIN_PASSWORD_LEN, &account_policy_temp);
2232 min_pass_len = account_policy_temp;
2233
2234 pdb_get_account_policy(AP_PASSWORD_HISTORY, &account_policy_temp);
2235 pass_hist = account_policy_temp;
2236
2237 pdb_get_account_policy(AP_USER_MUST_LOGON_TO_CHG_PASS, &account_policy_temp);
2238 password_properties = account_policy_temp;
2239
2240 pdb_get_account_policy(AP_MAX_PASSWORD_AGE, &account_policy_temp);
2241 u_expire = account_policy_temp;
2242
2243 pdb_get_account_policy(AP_MIN_PASSWORD_AGE, &account_policy_temp);
2244 u_min_age = account_policy_temp;
2245
2246 /* !AS ROOT */
2247
2248 unbecome_root();
2249
2250 unix_to_nt_time_abs(&nt_expire, u_expire);
2251 unix_to_nt_time_abs(&nt_min_age, u_min_age);
2252
2253 init_unk_info1(&ctr->info.inf1, (uint16)min_pass_len, (uint16)pass_hist,
2254 password_properties, nt_expire, nt_min_age);
2255 break;
2256 case 0x02:
2257
2258 become_root();
2259
2260 /* AS ROOT !!! */
2261
2262 num_users = count_sam_users(info->disp_info, ACB_NORMAL);
2263 num_groups = count_sam_groups(info->disp_info);
2264 num_aliases = count_sam_aliases(info->disp_info);
2265
2266 pdb_get_account_policy(AP_TIME_TO_LOGOUT, &account_policy_temp);
2267 u_logout = account_policy_temp;
2268
2269 unix_to_nt_time_abs(&nt_logout, u_logout);
2270
2271 if (!pdb_get_seq_num(&seq_num))
2272 seq_num = time(NULL);
2273
2274 /* !AS ROOT */
2275
2276 unbecome_root();
2277
2278 server_role = ROLE_DOMAIN_PDC;
2279 if (lp_server_role() == ROLE_DOMAIN_BDC)
2280 server_role = ROLE_DOMAIN_BDC;
2281
2282 init_unk_info2(&ctr->info.inf2, lp_serverstring(), lp_workgroup(), global_myname(), seq_num,
2283 num_users, num_groups, num_aliases, nt_logout, server_role);
2284 break;
2285 case 0x03:
2286
2287 become_root();
2288
2289 /* AS ROOT !!! */
2290
2291 {
2292 uint32 ul;
2293 pdb_get_account_policy(AP_TIME_TO_LOGOUT, &ul);
2294 u_logout = (time_t)ul;
2295 }
2296
2297 /* !AS ROOT */
2298
2299 unbecome_root();
2300
2301 unix_to_nt_time_abs(&nt_logout, u_logout);
2302
2303 init_unk_info3(&ctr->info.inf3, nt_logout);
2304 break;
2305 case 0x04:
2306 init_unk_info4(&ctr->info.inf4, lp_serverstring());
2307 break;
2308 case 0x05:
2309 init_unk_info5(&ctr->info.inf5, get_global_sam_name());
2310 break;
2311 case 0x06:
2312 /* NT returns its own name when a PDC. win2k and later
2313 * only the name of the PDC if itself is a BDC (samba4
2314 * idl) */
2315 init_unk_info6(&ctr->info.inf6, global_myname());
2316 break;
2317 case 0x07:
2318 server_role = ROLE_DOMAIN_PDC;
2319 if (lp_server_role() == ROLE_DOMAIN_BDC)
2320 server_role = ROLE_DOMAIN_BDC;
2321
2322 init_unk_info7(&ctr->info.inf7, server_role);
2323 break;
2324 case 0x08:
2325
2326 become_root();
2327
2328 /* AS ROOT !!! */
2329
2330 if (!pdb_get_seq_num(&seq_num)) {
2331 seq_num = time(NULL);
2332 }
2333
2334 /* !AS ROOT */
2335
2336 unbecome_root();
2337
2338 init_unk_info8(&ctr->info.inf8, (uint32) seq_num);
2339 break;
2340 case 0x0c:
2341
2342 become_root();
2343
2344 /* AS ROOT !!! */
2345
2346 pdb_get_account_policy(AP_LOCK_ACCOUNT_DURATION, &account_policy_temp);
2347 u_lock_duration = account_policy_temp;
2348 if (u_lock_duration != -1) {
2349 u_lock_duration *= 60;
2350 }
2351
2352 pdb_get_account_policy(AP_RESET_COUNT_TIME, &account_policy_temp);
2353 u_reset_time = account_policy_temp * 60;
2354
2355 pdb_get_account_policy(AP_BAD_ATTEMPT_LOCKOUT, &account_policy_temp);
2356 lockout = account_policy_temp;
2357
2358 /* !AS ROOT */
2359
2360 unbecome_root();
2361
2362 unix_to_nt_time_abs(&nt_lock_duration, u_lock_duration);
2363 unix_to_nt_time_abs(&nt_reset_time, u_reset_time);
2364
2365 init_unk_info12(&ctr->info.inf12, nt_lock_duration, nt_reset_time, (uint16)lockout);
2366 break;
2367 default:
2368 return NT_STATUS_INVALID_INFO_CLASS;
2369 }
2370
2371
2372 init_samr_r_query_domain_info(r_u, q_u->switch_value, ctr, NT_STATUS_OK);
2373
2374 DEBUG(5,("_samr_query_domain_info: %d\n", __LINE__));
2375
2376 return r_u->status;
2377 }
2378
2379 /* W2k3 seems to use the same check for all 3 objects that can be created via
2380 * SAMR, if you try to create for example "Dialup" as an alias it says
2381 * "NT_STATUS_USER_EXISTS". This is racy, but we can't really lock the user
2382 * database. */
2383
2384 static NTSTATUS can_create(TALLOC_CTX *mem_ctx, const char *new_name)
2385 {
2386 enum SID_NAME_USE type;
2387 BOOL result;
2388
2389 DEBUG(10, ("Checking whether [%s] can be created\n", new_name));
2390
2391 become_root();
2392 /* Lookup in our local databases (only LOOKUP_NAME_ISOLATED set)
2393 * whether the name already exists */
2394 result = lookup_name(mem_ctx, new_name, LOOKUP_NAME_ISOLATED,
2395 NULL, NULL, NULL, &type);
2396 unbecome_root();
2397
2398 if (!result) {
2399 DEBUG(10, ("%s does not exist, can create it\n", new_name));
2400 return NT_STATUS_OK;
2401 }
2402
2403 DEBUG(5, ("trying to create %s, exists as %s\n",
2404 new_name, sid_type_lookup(type)));
2405
2406 if (type == SID_NAME_DOM_GRP) {
2407 return NT_STATUS_GROUP_EXISTS;
2408 }
2409 if (type == SID_NAME_ALIAS) {
2410 return NT_STATUS_ALIAS_EXISTS;
2411 }
2412
2413 /* Yes, the default is NT_STATUS_USER_EXISTS */
2414 return NT_STATUS_USER_EXISTS;
2415 }
2416
2417 /*******************************************************************
2418 _samr_create_user
2419 Create an account, can be either a normal user or a machine.
2420 This funcion will need to be updated for bdc/domain trusts.
2421 ********************************************************************/
2422
2423 NTSTATUS _samr_create_user(pipes_struct *p, SAMR_Q_CREATE_USER *q_u,
2424 SAMR_R_CREATE_USER *r_u)
2425 {
2426 char *account;
2427 DOM_SID sid;
2428 POLICY_HND dom_pol = q_u->domain_pol;
2429 uint16 acb_info = q_u->acb_info;
2430 POLICY_HND *user_pol = &r_u->user_pol;
2431 struct samr_info *info = NULL;
2432 NTSTATUS nt_status;
2433 uint32 acc_granted;
2434 SEC_DESC *psd;
2435 size_t sd_size;
2436 /* check this, when giving away 'add computer to domain' privs */
2437 uint32 des_access = GENERIC_RIGHTS_USER_ALL_ACCESS;
2438 BOOL can_add_account = False;
2439 SE_PRIV se_rights;
2440 DISP_INFO *disp_info = NULL;
2441
2442 /* Get the domain SID stored in the domain policy */
2443 if (!get_lsa_policy_samr_sid(p, &dom_pol, &sid, &acc_granted,
2444 &disp_info))
2445 return NT_STATUS_INVALID_HANDLE;
2446
2447 nt_status = access_check_samr_function(acc_granted,
2448 SA_RIGHT_DOMAIN_CREATE_USER,
2449 "_samr_create_user");
2450 if (!NT_STATUS_IS_OK(nt_status)) {
2451 return nt_status;
2452 }
2453
2454 if (!(acb_info == ACB_NORMAL || acb_info == ACB_DOMTRUST ||
2455 acb_info == ACB_WSTRUST || acb_info == ACB_SVRTRUST)) {
2456 /* Match Win2k, and return NT_STATUS_INVALID_PARAMETER if
2457 this parameter is not an account type */
2458 return NT_STATUS_INVALID_PARAMETER;
2459 }
2460
2461 account = rpcstr_pull_unistr2_talloc(p->mem_ctx, &q_u->uni_name);
2462 if (account == NULL) {
2463 return NT_STATUS_NO_MEMORY;
2464 }
2465
2466 strlower_m(account);
2467
2468 nt_status = can_create(p->mem_ctx, account);
2469 if (!NT_STATUS_IS_OK(nt_status)) {
2470 return nt_status;
2471 }
2472
2473 /* determine which user right we need to check based on the acb_info */
2474
2475 if ( acb_info & ACB_WSTRUST )
2476 {
2477 se_priv_copy( &se_rights, &se_machine_account );
2478 can_add_account = user_has_privileges(
2479 p->pipe_user.nt_user_token, &se_rights );
2480 }
2481 /* usrmgr.exe (and net rpc trustdom grant) creates a normal user
2482 account for domain trusts and changes the ACB flags later */
2483 else if ( acb_info & ACB_NORMAL &&
2484 (account[strlen(account)-1] != '$') )
2485 {
2486 se_priv_copy( &se_rights, &se_add_users );
2487 can_add_account = user_has_privileges(
2488 p->pipe_user.nt_user_token, &se_rights );
2489 }
2490 else /* implicit assumption of a BDC or domain trust account here
2491 * (we already check the flags earlier) */
2492 {
2493 if ( lp_enable_privileges() ) {
2494 /* only Domain Admins can add a BDC or domain trust */
2495 se_priv_copy( &se_rights, &se_priv_none );
2496 can_add_account = nt_token_check_domain_rid(
2497 p->pipe_user.nt_user_token,
2498 DOMAIN_GROUP_RID_ADMINS );
2499 }
2500 }
2501
2502 DEBUG(5, ("_samr_create_user: %s can add this account : %s\n",
2503 p->pipe_user_name, can_add_account ? "True":"False" ));
2504
2505 /********** BEGIN Admin BLOCK **********/
2506
2507 if ( can_add_account )
2508 become_root();
2509
2510 nt_status = pdb_create_user(p->mem_ctx, account, acb_info,
2511 &r_u->user_rid);
2512
2513 if ( can_add_account )
2514 unbecome_root();
2515
2516 /********** END Admin BLOCK **********/
2517
2518 /* now check for failure */
2519
2520 if ( !NT_STATUS_IS_OK(nt_status) )
2521 return nt_status;
2522
2523 /* Get the user's SID */
2524
2525 sid_compose(&sid, get_global_sam_sid(), r_u->user_rid);
2526
2527 make_samr_object_sd(p->mem_ctx, &psd, &sd_size, &usr_generic_mapping,
2528 &sid, SAMR_USR_RIGHTS_WRITE_PW);
2529 se_map_generic(&des_access, &usr_generic_mapping);
2530
2531 nt_status = access_check_samr_object(psd, p->pipe_user.nt_user_token,
2532 &se_rights, GENERIC_RIGHTS_USER_WRITE, des_access,
2533 &acc_granted, "_samr_create_user");
2534
2535 if ( !NT_STATUS_IS_OK(nt_status) ) {
2536 return nt_status;
2537 }
2538
2539 /* associate the user's SID with the new handle. */
2540 if ((info = get_samr_info_by_sid(&sid)) == NULL) {
2541 return NT_STATUS_NO_MEMORY;
2542 }
2543
2544 ZERO_STRUCTP(info);
2545 info->sid = sid;
2546 info->acc_granted = acc_granted;
2547
2548 /* get a (unique) handle. open a policy on it. */
2549 if (!create_policy_hnd(p, user_pol, free_samr_info, (void *)info)) {
2550 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
2551 }
2552
2553 /* After a "set" ensure we have no cached display info. */
2554 force_flush_samr_cache(info->disp_info);
2555
2556 r_u->access_granted = acc_granted;
2557
2558 return NT_STATUS_OK;
2559 }
2560
2561 /*******************************************************************
2562 samr_reply_connect_anon
2563 ********************************************************************/
2564
2565 NTSTATUS _samr_connect_anon(pipes_struct *p, SAMR_Q_CONNECT_ANON *q_u, SAMR_R_CONNECT_ANON *r_u)
2566 {
2567 struct samr_info *info = NULL;
2568 uint32 des_access = q_u->access_mask;
2569
2570 /* Access check */
2571
2572 if (!pipe_access_check(p)) {
2573 DEBUG(3, ("access denied to samr_connect_anon\n"));
2574 r_u->status = NT_STATUS_ACCESS_DENIED;
2575 return r_u->status;
2576 }
2577
2578 /* set up the SAMR connect_anon response */
2579
2580 r_u->status = NT_STATUS_OK;
2581
2582 /* associate the user's SID with the new handle. */
2583 if ((info = get_samr_info_by_sid(NULL)) == NULL)
2584 return NT_STATUS_NO_MEMORY;
2585
2586 /* don't give away the farm but this is probably ok. The SA_RIGHT_SAM_ENUM_DOMAINS
2587 was observed from a win98 client trying to enumerate users (when configured
2588 user level access control on shares) --jerry */
2589
2590 if (des_access == MAXIMUM_ALLOWED_ACCESS) {
2591 /* Map to max possible knowing we're filtered below. */
2592 des_access = GENERIC_ALL_ACCESS;
2593 }
2594
2595 se_map_generic( &des_access, &sam_generic_mapping );
2596 info->acc_granted = des_access & (SA_RIGHT_SAM_ENUM_DOMAINS|SA_RIGHT_SAM_OPEN_DOMAIN);
2597
2598 info->status = q_u->unknown_0;
2599
2600 /* get a (unique) handle. open a policy on it. */
2601 if (!create_policy_hnd(p, &r_u->connect_pol, free_samr_info, (void *)info))
2602 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
2603
2604 return r_u->status;
2605 }
2606
2607 /*******************************************************************
2608 samr_reply_connect
2609 ********************************************************************/
2610
2611 NTSTATUS _samr_connect(pipes_struct *p, SAMR_Q_CONNECT *q_u, SAMR_R_CONNECT *r_u)
2612 {
2613 struct samr_info *info = NULL;
2614 SEC_DESC *psd = NULL;
2615 uint32 acc_granted;
2616 uint32 des_access = q_u->access_mask;
2617 NTSTATUS nt_status;
2618 size_t sd_size;
2619
2620
2621 DEBUG(5,("_samr_connect: %d\n", __LINE__));
2622
2623 /* Access check */
2624
2625 if (!pipe_access_check(p)) {
2626 DEBUG(3, ("access denied to samr_connect\n"));
2627 r_u->status = NT_STATUS_ACCESS_DENIED;
2628 return r_u->status;
2629 }
2630
2631 make_samr_object_sd(p->mem_ctx, &psd, &sd_size, &sam_generic_mapping, NULL, 0);
2632 se_map_generic(&des_access, &sam_generic_mapping);
2633
2634 nt_status = access_check_samr_object(psd, p->pipe_user.nt_user_token,
2635 NULL, 0, des_access, &acc_granted, "_samr_connect");
2636
2637 if ( !NT_STATUS_IS_OK(nt_status) )
2638 return nt_status;
2639
2640 r_u->status = NT_STATUS_OK;
2641
2642 /* associate the user's SID and access granted with the new handle. */
2643 if ((info = get_samr_info_by_sid(NULL)) == NULL)
2644 return NT_STATUS_NO_MEMORY;
2645
2646 info->acc_granted = acc_granted;
2647 info->status = q_u->access_mask;
2648
2649 /* get a (unique) handle. open a policy on it. */
2650 if (!create_policy_hnd(p, &r_u->connect_pol, free_samr_info, (void *)info))
2651 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
2652
2653 DEBUG(5,("_samr_connect: %d\n", __LINE__));
2654
2655 return r_u->status;
2656 }
2657
2658 /*******************************************************************
2659 samr_connect4
2660 ********************************************************************/
2661
2662 NTSTATUS _samr_connect4(pipes_struct *p, SAMR_Q_CONNECT4 *q_u, SAMR_R_CONNECT4 *r_u)
2663 {
2664 struct samr_info *info = NULL;
2665 SEC_DESC *psd = NULL;
2666 uint32 acc_granted;
2667 uint32 des_access = q_u->access_mask;
2668 NTSTATUS nt_status;
2669 size_t sd_size;
2670
2671
2672 DEBUG(5,("_samr_connect4: %d\n", __LINE__));
2673
2674 /* Access check */
2675
2676 if (!pipe_access_check(p)) {
2677 DEBUG(3, ("access denied to samr_connect4\n"));
2678 r_u->status = NT_STATUS_ACCESS_DENIED;
2679 return r_u->status;
2680 }
2681
2682 make_samr_object_sd(p->mem_ctx, &psd, &sd_size, &sam_generic_mapping, NULL, 0);
2683 se_map_generic(&des_access, &sam_generic_mapping);
2684
2685 nt_status = access_check_samr_object(psd, p->pipe_user.nt_user_token,
2686 NULL, 0, des_access, &acc_granted, "_samr_connect4");
2687
2688 if ( !NT_STATUS_IS_OK(nt_status) )
2689 return nt_status;
2690
2691 r_u->status = NT_STATUS_OK;
2692
2693 /* associate the user's SID and access granted with the new handle. */
2694 if ((info = get_samr_info_by_sid(NULL)) == NULL)
2695 return NT_STATUS_NO_MEMORY;
2696
2697 info->acc_granted = acc_granted;
2698 info->status = q_u->access_mask;
2699
2700 /* get a (unique) handle. open a policy on it. */
2701 if (!create_policy_hnd(p, &r_u->connect_pol, free_samr_info, (void *)info))
2702 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
2703
2704 DEBUG(5,("_samr_connect: %d\n", __LINE__));
2705
2706 return r_u->status;
2707 }
2708
2709 /*******************************************************************
2710 samr_connect5
2711 ********************************************************************/
2712
2713 NTSTATUS _samr_connect5(pipes_struct *p, SAMR_Q_CONNECT5 *q_u, SAMR_R_CONNECT5 *r_u)
2714 {
2715 struct samr_info *info = NULL;
2716 SEC_DESC *psd = NULL;
2717 uint32 acc_granted;
2718 uint32 des_access = q_u->access_mask;
2719 NTSTATUS nt_status;
2720 POLICY_HND pol;
2721 size_t sd_size;
2722
2723
2724 DEBUG(5,("_samr_connect5: %d\n", __LINE__));
2725
2726 ZERO_STRUCTP(r_u);
2727
2728 /* Access check */
2729
2730 if (!pipe_access_check(p)) {
2731 DEBUG(3, ("access denied to samr_connect5\n"));
2732 r_u->status = NT_STATUS_ACCESS_DENIED;
2733 return r_u->status;
2734 }
2735
2736 make_samr_object_sd(p->mem_ctx, &psd, &sd_size, &sam_generic_mapping, NULL, 0);
2737 se_map_generic(&des_access, &sam_generic_mapping);
2738
2739 nt_status = access_check_samr_object(psd, p->pipe_user.nt_user_token,
2740 NULL, 0, des_access, &acc_granted, "_samr_connect5");
2741
2742 if ( !NT_STATUS_IS_OK(nt_status) )
2743 return nt_status;
2744
2745 /* associate the user's SID and access granted with the new handle. */
2746 if ((info = get_samr_info_by_sid(NULL)) == NULL)
2747 return NT_STATUS_NO_MEMORY;
2748
2749 info->acc_granted = acc_granted;
2750 info->status = q_u->access_mask;
2751
2752 /* get a (unique) handle. open a policy on it. */
2753 if (!create_policy_hnd(p, &pol, free_samr_info, (void *)info))
2754 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
2755
2756 DEBUG(5,("_samr_connect: %d\n", __LINE__));
2757
2758 init_samr_r_connect5(r_u, &pol, NT_STATUS_OK);
2759
2760 return r_u->status;
2761 }
2762
2763 /**********************************************************************
2764 api_samr_lookup_domain
2765 **********************************************************************/
2766
2767 NTSTATUS _samr_lookup_domain(pipes_struct *p, SAMR_Q_LOOKUP_DOMAIN *q_u, SAMR_R_LOOKUP_DOMAIN *r_u)
2768 {
2769 struct samr_info *info;
2770 fstring domain_name;
2771 DOM_SID sid;
2772
2773 r_u->status = NT_STATUS_OK;
2774
2775 if (!find_policy_by_hnd(p, &q_u->connect_pol, (void**)(void *)&info))
2776 return NT_STATUS_INVALID_HANDLE;
2777
2778 /* win9x user manager likes to use SA_RIGHT_SAM_ENUM_DOMAINS here.
2779 Reverted that change so we will work with RAS servers again */
2780
2781 if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(info->acc_granted,
2782 SA_RIGHT_SAM_OPEN_DOMAIN, "_samr_lookup_domain")))
2783 {
2784 return r_u->status;
2785 }
2786
2787 rpcstr_pull(domain_name, q_u->uni_domain.buffer, sizeof(domain_name), q_u->uni_domain.uni_str_len*2, 0);
2788
2789 ZERO_STRUCT(sid);
2790
2791 if (strequal(domain_name, builtin_domain_name())) {
2792 sid_copy(&sid, &global_sid_Builtin);
2793 } else {
2794 if (!secrets_fetch_domain_sid(domain_name, &sid)) {
2795 r_u->status = NT_STATUS_NO_SUCH_DOMAIN;
2796 }
2797 }
2798
2799 DEBUG(2,("Returning domain sid for domain %s -> %s\n", domain_name, sid_string_static(&sid)));
2800
2801 init_samr_r_lookup_domain(r_u, &sid, r_u->status);
2802
2803 return r_u->status;
2804 }
2805
2806 /******************************************************************
2807 makes a SAMR_R_ENUM_DOMAINS structure.
2808 ********************************************************************/
2809
2810 static BOOL make_enum_domains(TALLOC_CTX *ctx, SAM_ENTRY **pp_sam,
2811 UNISTR2 **pp_uni_name, uint32 num_sam_entries, fstring doms[])
2812 {
2813 uint32 i;
2814 SAM_ENTRY *sam;
2815 UNISTR2 *uni_name;
2816
2817 DEBUG(5, ("make_enum_domains\n"));
2818
2819 *pp_sam = NULL;
2820 *pp_uni_name = NULL;
2821
2822 if (num_sam_entries == 0)
2823 return True;
2824
2825 sam = TALLOC_ZERO_ARRAY(ctx, SAM_ENTRY, num_sam_entries);
2826 uni_name = TALLOC_ZERO_ARRAY(ctx, UNISTR2, num_sam_entries);
2827
2828 if (sam == NULL || uni_name == NULL)
2829 return False;
2830
2831 for (i = 0; i < num_sam_entries; i++) {
2832 init_unistr2(&uni_name[i], doms[i], UNI_FLAGS_NONE);
2833 init_sam_entry(&sam[i], &uni_name[i], 0);
2834 }
2835
2836 *pp_sam = sam;
2837 *pp_uni_name = uni_name;
2838
2839 return True;
2840 }
2841
2842 /**********************************************************************
2843 api_samr_enum_domains
2844 **********************************************************************/
2845
2846 NTSTATUS _samr_enum_domains(pipes_struct *p, SAMR_Q_ENUM_DOMAINS *q_u, SAMR_R_ENUM_DOMAINS *r_u)
2847 {
2848 struct samr_info *info;
2849 uint32 num_entries = 2;
2850 fstring dom[2];
2851 const char *name;
2852
2853 r_u->status = NT_STATUS_OK;
2854
2855 if (!find_policy_by_hnd(p, &q_u->pol, (void**)(void *)&info))
2856 return NT_STATUS_INVALID_HANDLE;
2857
2858 if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(info->acc_granted, SA_RIGHT_SAM_ENUM_DOMAINS, "_samr_enum_domains"))) {
2859 return r_u->status;
2860 }
2861
2862 name = get_global_sam_name();
2863
2864 fstrcpy(dom[0],name);
2865 strupper_m(dom[0]);
2866 fstrcpy(dom[1],"Builtin");
2867
2868 if (!make_enum_domains(p->mem_ctx, &r_u->sam, &r_u->uni_dom_name, num_entries, dom))
2869 return NT_STATUS_NO_MEMORY;
2870
2871 init_samr_r_enum_domains(r_u, q_u->start_idx + num_entries, num_entries);
2872
2873 return r_u->status;
2874 }
2875
2876 /*******************************************************************
2877 api_samr_open_alias
2878 ********************************************************************/
2879
2880 NTSTATUS _samr_open_alias(pipes_struct *p, SAMR_Q_OPEN_ALIAS *q_u, SAMR_R_OPEN_ALIAS *r_u)
2881 {
2882 DOM_SID sid;
2883 POLICY_HND domain_pol = q_u->dom_pol;
2884 uint32 alias_rid = q_u->rid_alias;
2885 POLICY_HND *alias_pol = &r_u->pol;
2886 struct samr_info *info = NULL;
2887 SEC_DESC *psd = NULL;
2888 uint32 acc_granted;
2889 uint32 des_access = q_u->access_mask;
2890 size_t sd_size;
2891 NTSTATUS status;
2892 SE_PRIV se_rights;
2893
2894 r_u->status = NT_STATUS_OK;
2895
2896 /* find the domain policy and get the SID / access bits stored in the domain policy */
2897
2898 if ( !get_lsa_policy_samr_sid(p, &domain_pol, &sid, &acc_granted, NULL) )
2899 return NT_STATUS_INVALID_HANDLE;
2900
2901 status = access_check_samr_function(acc_granted,
2902 SA_RIGHT_DOMAIN_OPEN_ACCOUNT, "_samr_open_alias");
2903
2904 if ( !NT_STATUS_IS_OK(status) )
2905 return status;
2906
2907 /* append the alias' RID to it */
2908
2909 if (!sid_append_rid(&sid, alias_rid))
2910 return NT_STATUS_NO_SUCH_ALIAS;
2911
2912 /*check if access can be granted as requested by client. */
2913
2914 make_samr_object_sd(p->mem_ctx, &psd, &sd_size, &ali_generic_mapping, NULL, 0);
2915 se_map_generic(&des_access,&ali_generic_mapping);
2916
2917 se_priv_copy( &se_rights, &se_add_users );
2918
2919
2920 status = access_check_samr_object(psd, p->pipe_user.nt_user_token,
2921 &se_rights, GENERIC_RIGHTS_ALIAS_WRITE, des_access,
2922 &acc_granted, "_samr_open_alias");
2923
2924 if ( !NT_STATUS_IS_OK(status) )
2925 return status;
2926
2927 {
2928 /* Check we actually have the requested alias */
2929 enum SID_NAME_USE type;
2930 BOOL result;
2931 gid_t gid;
2932
2933 become_root();
2934 result = lookup_sid(NULL, &sid, NULL, NULL, &type);
2935 unbecome_root();
2936
2937 if (!result || (type != SID_NAME_ALIAS)) {
2938 return NT_STATUS_NO_SUCH_ALIAS;
2939 }
2940
2941 /* make sure there is a mapping */
2942
2943 if ( !sid_to_gid( &sid, &gid ) ) {
2944 return NT_STATUS_NO_SUCH_ALIAS;
2945 }
2946
2947 }
2948
2949 /* associate the alias SID with the new handle. */
2950 if ((info = get_samr_info_by_sid(&sid)) == NULL)
2951 return NT_STATUS_NO_MEMORY;
2952
2953 info->acc_granted = acc_granted;
2954
2955 /* get a (unique) handle. open a policy on it. */
2956 if (!create_policy_hnd(p, alias_pol, free_samr_info, (void *)info))
2957 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
2958
2959 return r_u->status;
2960 }
2961
2962 /*******************************************************************
2963 set_user_info_7
2964 ********************************************************************/
2965 static NTSTATUS set_user_info_7(TALLOC_CTX *mem_ctx,
2966 const SAM_USER_INFO_7 *id7, struct samu *pwd)
2967 {
2968 fstring new_name;
2969 NTSTATUS rc;
2970
2971 if (id7 == NULL) {
2972 DEBUG(5, ("set_user_info_7: NULL id7\n"));
2973 TALLOC_FREE(pwd);
2974 return NT_STATUS_ACCESS_DENIED;
2975 }
2976
2977 if(!rpcstr_pull(new_name, id7->uni_name.buffer, sizeof(new_name), id7->uni_name.uni_str_len*2, 0)) {
2978 DEBUG(5, ("set_user_info_7: failed to get new username\n"));
2979 TALLOC_FREE(pwd);
2980 return NT_STATUS_ACCESS_DENIED;
2981 }
2982
2983 /* check to see if the new username already exists. Note: we can't
2984 reliably lock all backends, so there is potentially the
2985 possibility that a user can be created in between this check and
2986 the rename. The rename should fail, but may not get the
2987 exact same failure status code. I think this is small enough
2988 of a window for this type of operation and the results are
2989 simply that the rename fails with a slightly different status
2990 code (like UNSUCCESSFUL instead of ALREADY_EXISTS). */
2991
2992 rc = can_create(mem_ctx, new_name);
2993 if (!NT_STATUS_IS_OK(rc)) {
2994 return rc;
2995 }
2996
2997 rc = pdb_rename_sam_account(pwd, new_name);
2998
2999 TALLOC_FREE(pwd);
3000 return rc;
3001 }
3002
3003 /*******************************************************************
3004 set_user_info_16
3005 ********************************************************************/
3006
3007 static BOOL set_user_info_16(const SAM_USER_INFO_16 *id16, struct samu *pwd)
3008 {
3009 if (id16 == NULL) {
3010 DEBUG(5, ("set_user_info_16: NULL id16\n"));
3011 TALLOC_FREE(pwd);
3012 return False;
3013 }
3014
3015 /* FIX ME: check if the value is really changed --metze */
3016 if (!pdb_set_acct_ctrl(pwd, id16->acb_info, PDB_CHANGED)) {
3017 TALLOC_FREE(pwd);
3018 return False;
3019 }
3020
3021 if(!NT_STATUS_IS_OK(pdb_update_sam_account(pwd))) {
3022 TALLOC_FREE(pwd);
3023 return False;
3024 }
3025
3026 TALLOC_FREE(pwd);
3027
3028 return True;
3029 }
3030
3031 /*******************************************************************
3032 set_user_info_18
3033 ********************************************************************/
3034
3035 static BOOL set_user_info_18(SAM_USER_INFO_18 *id18, struct samu *pwd)
3036 {
3037
3038 if (id18 == NULL) {
3039 DEBUG(2, ("set_user_info_18: id18 is NULL\n"));
3040 TALLOC_FREE(pwd);
3041 return False;
3042 }
3043
3044 if (!pdb_set_lanman_passwd (pwd, id18->lm_pwd, PDB_CHANGED)) {
3045 TALLOC_FREE(pwd);
3046 return False;
3047 }
3048 if (!pdb_set_nt_passwd (pwd, id18->nt_pwd, PDB_CHANGED)) {
3049 TALLOC_FREE(pwd);
3050 return False;
3051 }
3052 if (!pdb_set_pass_changed_now (pwd)) {
3053 TALLOC_FREE(pwd);
3054 return False;
3055 }
3056
3057 if(!NT_STATUS_IS_OK(pdb_update_sam_account(pwd))) {
3058 TALLOC_FREE(pwd);
3059 return False;
3060 }
3061
3062 TALLOC_FREE(pwd);
3063 return True;
3064 }
3065
3066 /*******************************************************************
3067 set_user_info_20
3068 ********************************************************************/
3069
3070 static BOOL set_user_info_20(SAM_USER_INFO_20 *id20, struct samu *pwd)
3071 {
3072 if (id20 == NULL) {
3073 DEBUG(5, ("set_user_info_20: NULL id20\n"));
3074 return False;
3075 }
3076
3077 copy_id20_to_sam_passwd(pwd, id20);
3078
3079 /* write the change out */
3080 if(!NT_STATUS_IS_OK(pdb_update_sam_account(pwd))) {
3081 TALLOC_FREE(pwd);
3082 return False;
3083 }
3084
3085 TALLOC_FREE(pwd);
3086
3087 return True;
3088 }
3089 /*******************************************************************
3090 set_user_info_21
3091 ********************************************************************/
3092
3093 static NTSTATUS set_user_info_21(TALLOC_CTX *mem_ctx, SAM_USER_INFO_21 *id21,
3094 struct samu *pwd)
3095 {
3096 fstring new_name;
3097 NTSTATUS status;
3098
3099 if (id21 == NULL) {
3100 DEBUG(5, ("set_user_info_21: NULL id21\n"));
3101 return NT_STATUS_INVALID_PARAMETER;
3102 }
3103
3104 /* we need to separately check for an account rename first */
3105 if (rpcstr_pull(new_name, id21->uni_user_name.buffer,
3106 sizeof(new_name), id21->uni_user_name.uni_str_len*2, 0) &&
3107 (!strequal(new_name, pdb_get_username(pwd)))) {
3108
3109 /* check to see if the new username already exists. Note: we can't
3110 reliably lock all backends, so there is potentially the
3111 possibility that a user can be created in between this check and
3112 the rename. The rename should fail, but may not get the
3113 exact same failure status code. I think this is small enough
3114 of a window for this type of operation and the results are
3115 simply that the rename fails with a slightly different status
3116 code (like UNSUCCESSFUL instead of ALREADY_EXISTS). */
3117
3118 status = can_create(mem_ctx, new_name);
3119 if (!NT_STATUS_IS_OK(status)) {
3120 return status;
3121 }
3122
3123 status = pdb_rename_sam_account(pwd, new_name);
3124
3125 if (!NT_STATUS_IS_OK(status)) {
3126 DEBUG(0,("set_user_info_21: failed to rename account: %s\n",
3127 nt_errstr(status)));
3128 TALLOC_FREE(pwd);
3129 return status;
3130 }
3131
3132 /* set the new username so that later
3133 functions can work on the new account */
3134 pdb_set_username(pwd, new_name, PDB_SET);
3135 }
3136
3137 copy_id21_to_sam_passwd(pwd, id21);
3138
3139 /*
3140 * The funny part about the previous two calls is
3141 * that pwd still has the password hashes from the
3142 * passdb entry. These have not been updated from
3143 * id21. I don't know if they need to be set. --jerry
3144 */
3145
3146 if ( IS_SAM_CHANGED(pwd, PDB_GROUPSID) ) {
3147 status = pdb_set_unix_primary_group(mem_ctx, pwd);
3148 if ( !NT_STATUS_IS_OK(status) ) {
3149 return status;
3150 }
3151 }
3152
3153 /* Don't worry about writing out the user account since the
3154 primary group SID is generated solely from the user's Unix
3155 primary group. */
3156
3157 /* write the change out */
3158 if(!NT_STATUS_IS_OK(status = pdb_update_sam_account(pwd))) {
3159 TALLOC_FREE(pwd);
3160 return status;
3161 }
3162
3163 TALLOC_FREE(pwd);
3164
3165 return NT_STATUS_OK;
3166 }
3167
3168 /*******************************************************************
3169 set_user_info_23
3170 ********************************************************************/
3171
3172 static NTSTATUS set_user_info_23(TALLOC_CTX *mem_ctx, SAM_USER_INFO_23 *id23,
3173 struct samu *pwd)
3174 {
3175 pstring plaintext_buf;
3176 uint32 len;
3177 uint16 acct_ctrl;
3178 NTSTATUS status;
3179
3180 if (id23 == NULL) {
3181 DEBUG(5, ("set_user_info_23: NULL id23\n"));
3182 return NT_STATUS_INVALID_PARAMETER;
3183 }
3184
3185 DEBUG(5, ("Attempting administrator password change (level 23) for user %s\n",
3186 pdb_get_username(pwd)));
3187
3188 acct_ctrl = pdb_get_acct_ctrl(pwd);
3189
3190 if (!decode_pw_buffer(id23->pass, plaintext_buf, 256, &len, STR_UNICODE)) {
3191 TALLOC_FREE(pwd);
3192 return NT_STATUS_INVALID_PARAMETER;
3193 }
3194
3195 if (!pdb_set_plaintext_passwd (pwd, plaintext_buf)) {
3196 TALLOC_FREE(pwd);
3197 return NT_STATUS_ACCESS_DENIED;
3198 }
3199
3200 copy_id23_to_sam_passwd(pwd, id23);
3201
3202 /* if it's a trust account, don't update /etc/passwd */
3203 if ( ( (acct_ctrl & ACB_DOMTRUST) == ACB_DOMTRUST ) ||
3204 ( (acct_ctrl & ACB_WSTRUST) == ACB_WSTRUST) ||
3205 ( (acct_ctrl & ACB_SVRTRUST) == ACB_SVRTRUST) ) {
3206 DEBUG(5, ("Changing trust account or non-unix-user password, not updating /etc/passwd\n"));
3207 } else {
3208 /* update the UNIX password */
3209 if (lp_unix_password_sync() ) {
3210 struct passwd *passwd;
3211 if (pdb_get_username(pwd) == NULL) {
3212 DEBUG(1, ("chgpasswd: User without name???\n"));
3213 TALLOC_FREE(pwd);
3214 return NT_STATUS_ACCESS_DENIED;
3215 }
3216
3217 if ((passwd = Get_Pwnam(pdb_get_username(pwd))) == NULL) {
3218 DEBUG(1, ("chgpasswd: Username does not exist in system !?!\n"));
3219 }
3220
3221 if(!chgpasswd(pdb_get_username(pwd), passwd, "", plaintext_buf, True)) {
3222 TALLOC_FREE(pwd);
3223 return NT_STATUS_ACCESS_DENIED;
3224 }
3225 }
3226 }
3227
3228 ZERO_STRUCT(plaintext_buf);
3229
3230 if (IS_SAM_CHANGED(pwd, PDB_GROUPSID) &&
3231 (!NT_STATUS_IS_OK(status = pdb_set_unix_primary_group(mem_ctx,
3232 pwd)))) {
3233 TALLOC_FREE(pwd);
3234 return status;
3235 }
3236
3237 if(!NT_STATUS_IS_OK(status = pdb_update_sam_account(pwd))) {
3238 TALLOC_FREE(pwd);
3239 return status;
3240 }
3241
3242 TALLOC_FREE(pwd);
3243
3244 return NT_STATUS_OK;
3245 }
3246
3247 /*******************************************************************
3248 set_user_info_pw
3249 ********************************************************************/
3250
3251 static BOOL set_user_info_pw(uint8 *pass, struct samu *pwd)
3252 {
3253 uint32 len;
3254 pstring plaintext_buf;
3255 uint32 acct_ctrl;
3256
3257 DEBUG(5, ("Attempting administrator password change for user %s\n",
3258 pdb_get_username(pwd)));
3259
3260 acct_ctrl = pdb_get_acct_ctrl(pwd);
3261
3262 ZERO_STRUCT(plaintext_buf);
3263
3264 if (!decode_pw_buffer(pass, plaintext_buf, 256, &len, STR_UNICODE)) {
3265 TALLOC_FREE(pwd);
3266 return False;
3267 }
3268
3269 if (!pdb_set_plaintext_passwd (pwd, plaintext_buf)) {
3270 TALLOC_FREE(pwd);
3271 return False;
3272 }
3273
3274 /* if it's a trust account, don't update /etc/passwd */
3275 if ( ( (acct_ctrl & ACB_DOMTRUST) == ACB_DOMTRUST ) ||
3276 ( (acct_ctrl & ACB_WSTRUST) == ACB_WSTRUST) ||
3277 ( (acct_ctrl & ACB_SVRTRUST) == ACB_SVRTRUST) ) {
3278 DEBUG(5, ("Changing trust account or non-unix-user password, not updating /etc/passwd\n"));
3279 } else {
3280 /* update the UNIX password */
3281 if (lp_unix_password_sync()) {
3282 struct passwd *passwd;
3283
3284 if (pdb_get_username(pwd) == NULL) {
3285 DEBUG(1, ("chgpasswd: User without name???\n"));
3286 TALLOC_FREE(pwd);
3287 return False;
3288 }
3289
3290 if ((passwd = Get_Pwnam(pdb_get_username(pwd))) == NULL) {
3291 DEBUG(1, ("chgpasswd: Username does not exist in system !?!\n"));
3292 }
3293
3294 if(!chgpasswd(pdb_get_username(pwd), passwd, "", plaintext_buf, True)) {
3295 TALLOC_FREE(pwd);
3296 return False;
3297 }
3298 }
3299 }
3300
3301 ZERO_STRUCT(plaintext_buf);
3302
3303 DEBUG(5,("set_user_info_pw: pdb_update_pwd()\n"));
3304
3305 /* update the SAMBA password */
3306 if(!NT_STATUS_IS_OK(pdb_update_sam_account(pwd))) {
3307 TALLOC_FREE(pwd);
3308 return False;
3309 }
3310
3311 TALLOC_FREE(pwd);
3312
3313 return True;
3314 }
3315
3316 /*******************************************************************
3317 set_user_info_25
3318 ********************************************************************/
3319
3320 static NTSTATUS set_user_info_25(TALLOC_CTX *mem_ctx, SAM_USER_INFO_25 *id25,
3321 struct samu *pwd)
3322 {
3323 NTSTATUS status;
3324
3325 if (id25 == NULL) {
3326 DEBUG(5, ("set_user_info_25: NULL id25\n"));
3327 return NT_STATUS_INVALID_PARAMETER;
3328 }
3329
3330 copy_id25_to_sam_passwd(pwd, id25);
3331
3332 /*
3333 * The funny part about the previous two calls is
3334 * that pwd still has the password hashes from the
3335 * passdb entry. These have not been updated from
3336 * id21. I don't know if they need to be set. --jerry
3337 */
3338
3339 if ( IS_SAM_CHANGED(pwd, PDB_GROUPSID) ) {
3340 status = pdb_set_unix_primary_group(mem_ctx, pwd);
3341 if ( !NT_STATUS_IS_OK(status) ) {
3342 return status;
3343 }
3344 }
3345
3346 /* Don't worry about writing out the user account since the
3347 primary group SID is generated solely from the user's Unix
3348 primary group. */
3349
3350 /* write the change out */
3351 if(!NT_STATUS_IS_OK(status = pdb_update_sam_account(pwd))) {
3352 TALLOC_FREE(pwd);
3353 return status;
3354 }
3355
3356 /* WARNING: No TALLOC_FREE(pwd), we are about to set the password
3357 * hereafter! */
3358
3359 return NT_STATUS_OK;
3360 }
3361
3362 /*******************************************************************
3363 samr_reply_set_userinfo
3364 ********************************************************************/
3365
3366 NTSTATUS _samr_set_userinfo(pipes_struct *p, SAMR_Q_SET_USERINFO *q_u, SAMR_R_SET_USERINFO *r_u)
3367 {
3368 struct samu *pwd = NULL;
3369 DOM_SID sid;
3370 POLICY_HND *pol = &q_u->pol;
3371 uint16 switch_value = q_u->switch_value;
3372 SAM_USERINFO_CTR *ctr = q_u->ctr;
3373 uint32 acc_granted;
3374 uint32 acc_required;
3375 BOOL ret;
3376 BOOL has_enough_rights = False;
3377 uint32 acb_info;
3378 DISP_INFO *disp_info = NULL;
3379
3380 DEBUG(5, ("_samr_set_userinfo: %d\n", __LINE__));
3381
3382 r_u->status = NT_STATUS_OK;
3383
3384 /* find the policy handle. open a policy on it. */
3385 if (!get_lsa_policy_samr_sid(p, pol, &sid, &acc_granted, &disp_info))
3386 return NT_STATUS_INVALID_HANDLE;
3387
3388 /* observed when joining an XP client to a Samba domain */
3389
3390 acc_required = SA_RIGHT_USER_SET_PASSWORD | SA_RIGHT_USER_SET_ATTRIBUTES | SA_RIGHT_USER_ACCT_FLAGS_EXPIRY;
3391
3392 if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, acc_required, "_samr_set_userinfo"))) {
3393 return r_u->status;
3394 }
3395
3396 DEBUG(5, ("_samr_set_userinfo: sid:%s, level:%d\n", sid_string_static(&sid), switch_value));
3397
3398 if (ctr == NULL) {
3399 DEBUG(5, ("_samr_set_userinfo: NULL info level\n"));
3400 return NT_STATUS_INVALID_INFO_CLASS;
3401 }
3402
3403 if ( !(pwd = samu_new( NULL )) ) {
3404 return NT_STATUS_NO_MEMORY;
3405 }
3406
3407 become_root();
3408 ret = pdb_getsampwsid(pwd, &sid);
3409 unbecome_root();
3410
3411 if ( !ret ) {
3412 TALLOC_FREE(pwd);
3413 return NT_STATUS_NO_SUCH_USER;
3414 }
3415
3416 /* deal with machine password changes differently from userinfo changes */
3417 /* check to see if we have the sufficient rights */
3418
3419 acb_info = pdb_get_acct_ctrl(pwd);
3420 if ( acb_info & ACB_WSTRUST )
3421 has_enough_rights = user_has_privileges( p->pipe_user.nt_user_token, &se_machine_account);
3422 else if ( acb_info & ACB_NORMAL )
3423 has_enough_rights = user_has_privileges( p->pipe_user.nt_user_token, &se_add_users );
3424 else if ( acb_info & (ACB_SVRTRUST|ACB_DOMTRUST) ) {
3425 if ( lp_enable_privileges() )
3426 has_enough_rights = nt_token_check_domain_rid( p->pipe_user.nt_user_token, DOMAIN_GROUP_RID_ADMINS );
3427 }
3428
3429 DEBUG(5, ("_samr_set_userinfo: %s does%s possess sufficient rights\n",
3430 p->pipe_user_name, has_enough_rights ? "" : " not"));
3431
3432 /* ================ BEGIN SeMachineAccountPrivilege BLOCK ================ */
3433
3434 if ( has_enough_rights )
3435 become_root();
3436
3437 /* ok! user info levels (lots: see MSDEV help), off we go... */
3438
3439 switch (switch_value) {
3440 case 18:
3441 if (!set_user_info_18(ctr->info.id18, pwd))
3442 r_u->status = NT_STATUS_ACCESS_DENIED;
3443 break;
3444
3445 case 24:
3446 if (!p->session_key.length) {
3447 r_u->status = NT_STATUS_NO_USER_SESSION_KEY;
3448 }
3449 SamOEMhashBlob(ctr->info.id24->pass, 516, &p->session_key);
3450
3451 dump_data(100, (char *)ctr->info.id24->pass, 516);
3452
3453 if (!set_user_info_pw(ctr->info.id24->pass, pwd))
3454 r_u->status = NT_STATUS_ACCESS_DENIED;
3455 break;
3456
3457 case 25:
3458 if (!p->session_key.length) {
3459 r_u->status = NT_STATUS_NO_USER_SESSION_KEY;
3460 }
3461 encode_or_decode_arc4_passwd_buffer(ctr->info.id25->pass, &p->session_key);
3462
3463 dump_data(100, (char *)ctr->info.id25->pass, 532);
3464
3465 r_u->status = set_user_info_25(p->mem_ctx,
3466 ctr->info.id25, pwd);
3467 if (!NT_STATUS_IS_OK(r_u->status)) {
3468 goto done;
3469 }
3470 if (!set_user_info_pw(ctr->info.id25->pass, pwd))
3471 r_u->status = NT_STATUS_ACCESS_DENIED;
3472 break;
3473
3474 case 26:
3475 if (!p->session_key.length) {
3476 r_u->status = NT_STATUS_NO_USER_SESSION_KEY;
3477 }
3478 encode_or_decode_arc4_passwd_buffer(ctr->info.id26->pass, &p->session_key);
3479
3480 dump_data(100, (char *)ctr->info.id26->pass, 516);
3481
3482 if (!set_user_info_pw(ctr->info.id26->pass, pwd))
3483 r_u->status = NT_STATUS_ACCESS_DENIED;
3484 break;
3485
3486 case 23:
3487 if (!p->session_key.length) {
3488 r_u->status = NT_STATUS_NO_USER_SESSION_KEY;
3489 }
3490 SamOEMhashBlob(ctr->info.id23->pass, 516, &p->session_key);
3491
3492 dump_data(100, (char *)ctr->info.id23->pass, 516);
3493
3494 r_u->status = set_user_info_23(p->mem_ctx,
3495 ctr->info.id23, pwd);
3496 break;
3497
3498 default:
3499 r_u->status = NT_STATUS_INVALID_INFO_CLASS;
3500 }
3501
3502 done:
3503
3504 if ( has_enough_rights )
3505 unbecome_root();
3506
3507 /* ================ END SeMachineAccountPrivilege BLOCK ================ */
3508
3509 if (NT_STATUS_IS_OK(r_u->status)) {
3510 force_flush_samr_cache(disp_info);
3511 }
3512
3513 return r_u->status;
3514 }
3515
3516 /*******************************************************************
3517 samr_reply_set_userinfo2
3518 ********************************************************************/
3519
3520 NTSTATUS _samr_set_userinfo2(pipes_struct *p, SAMR_Q_SET_USERINFO2 *q_u, SAMR_R_SET_USERINFO2 *r_u)
3521 {
3522 struct samu *pwd = NULL;
3523 DOM_SID sid;
3524 SAM_USERINFO_CTR *ctr = q_u->ctr;
3525 POLICY_HND *pol = &q_u->pol;
3526 uint16 switch_value = q_u->switch_value;
3527 uint32 acc_granted;
3528 uint32 acc_required;
3529 BOOL ret;
3530 BOOL has_enough_rights = False;
3531 uint32 acb_info;
3532 DISP_INFO *disp_info = NULL;
3533
3534 DEBUG(5, ("samr_reply_set_userinfo2: %d\n", __LINE__));
3535
3536 r_u->status = NT_STATUS_OK;
3537
3538 /* find the policy handle. open a policy on it. */
3539 if (!get_lsa_policy_samr_sid(p, pol, &sid, &acc_granted, &disp_info))
3540 return NT_STATUS_INVALID_HANDLE;
3541
3542
3543 #if 0 /* this really should be applied on a per info level basis --jerry */
3544
3545 /* observed when joining XP client to Samba domain */
3546 acc_required = SA_RIGHT_USER_SET_PASSWORD | SA_RIGHT_USER_SET_ATTRIBUTES | SA_RIGHT_USER_ACCT_FLAGS_EXPIRY;
3547 #else
3548 acc_required = SA_RIGHT_USER_SET_ATTRIBUTES;
3549 #endif
3550
3551 if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, acc_required, "_samr_set_userinfo2"))) {
3552 return r_u->status;
3553 }
3554
3555 DEBUG(5, ("samr_reply_set_userinfo2: sid:%s\n", sid_string_static(&sid)));
3556
3557 if (ctr == NULL) {
3558 DEBUG(5, ("samr_reply_set_userinfo2: NULL info level\n"));
3559 return NT_STATUS_INVALID_INFO_CLASS;
3560 }
3561
3562 switch_value=ctr->switch_value;
3563
3564 if ( !(pwd = samu_new( NULL )) ) {
3565 return NT_STATUS_NO_MEMORY;
3566 }
3567
3568 become_root();
3569 ret = pdb_getsampwsid(pwd, &sid);
3570 unbecome_root();
3571
3572 if ( !ret ) {
3573 TALLOC_FREE(pwd);
3574 return NT_STATUS_NO_SUCH_USER;
3575 }
3576
3577 acb_info = pdb_get_acct_ctrl(pwd);
3578 if ( acb_info & ACB_WSTRUST )
3579 has_enough_rights = user_has_privileges( p->pipe_user.nt_user_token, &se_machine_account);
3580 else if ( acb_info & ACB_NORMAL )
3581 has_enough_rights = user_has_privileges( p->pipe_user.nt_user_token, &se_add_users );
3582 else if ( acb_info & (ACB_SVRTRUST|ACB_DOMTRUST) ) {
3583 if ( lp_enable_privileges() )
3584 has_enough_rights = nt_token_check_domain_rid( p->pipe_user.nt_user_token, DOMAIN_GROUP_RID_ADMINS );
3585 }
3586
3587 DEBUG(5, ("_samr_set_userinfo2: %s does%s possess sufficient rights\n",
3588 p->pipe_user_name, has_enough_rights ? "" : " not"));
3589
3590 /* ================ BEGIN SeMachineAccountPrivilege BLOCK ================ */
3591
3592 if ( has_enough_rights )
3593 become_root();
3594
3595 /* ok! user info levels (lots: see MSDEV help), off we go... */
3596
3597 switch (switch_value) {
3598 case 7:
3599 r_u->status = set_user_info_7(p->mem_ctx,
3600 ctr->info.id7, pwd);
3601 break;
3602 case 16:
3603 if (!set_user_info_16(ctr->info.id16, pwd))
3604 r_u->status = NT_STATUS_ACCESS_DENIED;
3605 break;
3606 case 18:
3607 /* Used by AS/U JRA. */
3608 if (!set_user_info_18(ctr->info.id18, pwd))
3609 r_u->status = NT_STATUS_ACCESS_DENIED;
3610 break;
3611 case 20:
3612 if (!set_user_info_20(ctr->info.id20, pwd))
3613 r_u->status = NT_STATUS_ACCESS_DENIED;
3614 break;
3615 case 21:
3616 r_u->status = set_user_info_21(p->mem_ctx,
3617 ctr->info.id21, pwd);
3618 break;
3619 case 23:
3620 if (!p->session_key.length) {
3621 r_u->status = NT_STATUS_NO_USER_SESSION_KEY;
3622 }
3623 SamOEMhashBlob(ctr->info.id23->pass, 516, &p->session_key);
3624
3625 dump_data(100, (char *)ctr->info.id23->pass, 516);
3626
3627 r_u->status = set_user_info_23(p->mem_ctx,
3628 ctr->info.id23, pwd);
3629 break;
3630 case 26:
3631 if (!p->session_key.length) {
3632 r_u->status = NT_STATUS_NO_USER_SESSION_KEY;
3633 }
3634 encode_or_decode_arc4_passwd_buffer(ctr->info.id26->pass, &p->session_key);
3635
3636 dump_data(100, (char *)ctr->info.id26->pass, 516);
3637
3638 if (!set_user_info_pw(ctr->info.id26->pass, pwd))
3639 r_u->status = NT_STATUS_ACCESS_DENIED;
3640 break;
3641 default:
3642 r_u->status = NT_STATUS_INVALID_INFO_CLASS;
3643 }
3644
3645 if ( has_enough_rights )
3646 unbecome_root();
3647
3648 /* ================ END SeMachineAccountPrivilege BLOCK ================ */
3649
3650 if (NT_STATUS_IS_OK(r_u->status)) {
3651 force_flush_samr_cache(disp_info);
3652 }
3653
3654 return r_u->status;
3655 }
3656
3657 /*********************************************************************
3658 _samr_query_aliasmem
3659 *********************************************************************/
3660
3661 NTSTATUS _samr_query_useraliases(pipes_struct *p, SAMR_Q_QUERY_USERALIASES *q_u, SAMR_R_QUERY_USERALIASES *r_u)
3662 {
3663 size_t num_alias_rids;
3664 uint32 *alias_rids;
3665 struct samr_info *info = NULL;
3666 size_t i;
3667
3668 NTSTATUS ntstatus1;
3669 NTSTATUS ntstatus2;
3670
3671 DOM_SID *members;
3672
3673 r_u->status = NT_STATUS_OK;
3674
3675 DEBUG(5,("_samr_query_useraliases: %d\n", __LINE__));
3676
3677 /* find the policy handle. open a policy on it. */
3678 if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&info))
3679 return NT_STATUS_INVALID_HANDLE;
3680
3681 ntstatus1 = access_check_samr_function(info->acc_granted, SA_RIGHT_DOMAIN_LOOKUP_ALIAS_BY_MEM, "_samr_query_useraliases");
3682 ntstatus2 = access_check_samr_function(info->acc_granted, SA_RIGHT_DOMAIN_OPEN_ACCOUNT, "_samr_query_useraliases");
3683
3684 if (!NT_STATUS_IS_OK(ntstatus1) || !NT_STATUS_IS_OK(ntstatus2)) {
3685 if (!(NT_STATUS_EQUAL(ntstatus1,NT_STATUS_ACCESS_DENIED) && NT_STATUS_IS_OK(ntstatus2)) &&
3686 !(NT_STATUS_EQUAL(ntstatus1,NT_STATUS_ACCESS_DENIED) && NT_STATUS_IS_OK(ntstatus1))) {
3687 return (NT_STATUS_IS_OK(ntstatus1)) ? ntstatus2 : ntstatus1;
3688 }
3689 }
3690
3691 if (!sid_check_is_domain(&info->sid) &&
3692 !sid_check_is_builtin(&info->sid))
3693 return NT_STATUS_OBJECT_TYPE_MISMATCH;
3694
3695 members = TALLOC_ARRAY(p->mem_ctx, DOM_SID, q_u->num_sids1);
3696
3697 if (members == NULL)
3698 return NT_STATUS_NO_MEMORY;
3699
3700 for (i=0; i<q_u->num_sids1; i++)
3701 sid_copy(&members[i], &q_u->sid[i].sid);
3702
3703 alias_rids = NULL;
3704 num_alias_rids = 0;
3705
3706 become_root();
3707 ntstatus1 = pdb_enum_alias_memberships(p->mem_ctx, &info->sid, members,
3708 q_u->num_sids1,
3709 &alias_rids, &num_alias_rids);
3710 unbecome_root();
3711
3712 if (!NT_STATUS_IS_OK(ntstatus1)) {
3713 return ntstatus1;
3714 }
3715
3716 init_samr_r_query_useraliases(r_u, num_alias_rids, alias_rids,
3717 NT_STATUS_OK);
3718 return NT_STATUS_OK;
3719 }
3720
3721 /*********************************************************************
3722 _samr_query_aliasmem
3723 *********************************************************************/
3724
3725 NTSTATUS _samr_query_aliasmem(pipes_struct *p, SAMR_Q_QUERY_ALIASMEM *q_u, SAMR_R_QUERY_ALIASMEM *r_u)
3726 {
3727 NTSTATUS status;
3728 size_t i;
3729 size_t num_sids = 0;
3730 DOM_SID2 *sid;
3731 DOM_SID *sids=NULL;
3732
3733 DOM_SID alias_sid;
3734
3735 uint32 acc_granted;
3736
3737 /* find the policy handle. open a policy on it. */
3738 if (!get_lsa_policy_samr_sid(p, &q_u->alias_pol, &alias_sid, &acc_granted, NULL))
3739 return NT_STATUS_INVALID_HANDLE;
3740
3741 if (!NT_STATUS_IS_OK(r_u->status =
3742 access_check_samr_function(acc_granted, SA_RIGHT_ALIAS_GET_MEMBERS, "_samr_query_aliasmem"))) {
3743 return r_u->status;
3744 }
3745
3746 DEBUG(10, ("sid is %s\n", sid_string_static(&alias_sid)));
3747
3748 status = pdb_enum_aliasmem(&alias_sid, &sids, &num_sids);
3749
3750 if (!NT_STATUS_IS_OK(status)) {
3751 return status;
3752 }
3753
3754 sid = TALLOC_ZERO_ARRAY(p->mem_ctx, DOM_SID2, num_sids);
3755 if (num_sids!=0 && sid == NULL) {
3756 SAFE_FREE(sids);
3757 return NT_STATUS_NO_MEMORY;
3758 }
3759
3760 for (i = 0; i < num_sids; i++) {
3761 init_dom_sid2(&sid[i], &sids[i]);
3762 }
3763
3764 init_samr_r_query_aliasmem(r_u, num_sids, sid, NT_STATUS_OK);
3765
3766 SAFE_FREE(sids);
3767
3768 return NT_STATUS_OK;
3769 }
3770
3771 /*********************************************************************
3772 _samr_query_groupmem
3773 *********************************************************************/
3774
3775 NTSTATUS _samr_query_groupmem(pipes_struct *p, SAMR_Q_QUERY_GROUPMEM *q_u, SAMR_R_QUERY_GROUPMEM *r_u)
3776 {
3777 DOM_SID group_sid;
3778 fstring group_sid_str;
3779 size_t i, num_members;
3780
3781 uint32 *rid=NULL;
3782 uint32 *attr=NULL;
3783
3784 uint32 acc_granted;
3785
3786 NTSTATUS result;
3787
3788 /* find the policy handle. open a policy on it. */
3789 if (!get_lsa_policy_samr_sid(p, &q_u->group_pol, &group_sid, &acc_granted, NULL))
3790 return NT_STATUS_INVALID_HANDLE;
3791
3792 if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, SA_RIGHT_GROUP_GET_MEMBERS, "_samr_query_groupmem"))) {
3793 return r_u->status;
3794 }
3795
3796 sid_to_string(group_sid_str, &group_sid);
3797 DEBUG(10, ("sid is %s\n", group_sid_str));
3798
3799 if (!sid_check_is_in_our_domain(&group_sid)) {
3800 DEBUG(3, ("sid %s is not in our domain\n", group_sid_str));
3801 return NT_STATUS_NO_SUCH_GROUP;
3802 }
3803
3804 DEBUG(10, ("lookup on Domain SID\n"));
3805
3806 become_root();
3807 result = pdb_enum_group_members(p->mem_ctx, &group_sid,
3808 &rid, &num_members);
3809 unbecome_root();
3810
3811 if (!NT_STATUS_IS_OK(result))
3812 return result;
3813
3814 attr=TALLOC_ZERO_ARRAY(p->mem_ctx, uint32, num_members);
3815
3816 if ((num_members!=0) && (attr==NULL))
3817 return NT_STATUS_NO_MEMORY;
3818
3819 for (i=0; i<num_members; i++)
3820 attr[i] = SID_NAME_USER;
3821
3822 init_samr_r_query_groupmem(r_u, num_members, rid, attr, NT_STATUS_OK);
3823
3824 return NT_STATUS_OK;
3825 }
3826
3827 /*********************************************************************
3828 _samr_add_aliasmem
3829 *********************************************************************/
3830
3831 NTSTATUS _samr_add_aliasmem(pipes_struct *p, SAMR_Q_ADD_ALIASMEM *q_u, SAMR_R_ADD_ALIASMEM *r_u)
3832 {
3833 DOM_SID alias_sid;
3834 uint32 acc_granted;
3835 SE_PRIV se_rights;
3836 BOOL can_add_accounts;
3837 NTSTATUS ret;
3838 DISP_INFO *disp_info = NULL;
3839
3840 /* Find the policy handle. Open a policy on it. */
3841 if (!get_lsa_policy_samr_sid(p, &q_u->alias_pol, &alias_sid, &acc_granted, &disp_info))
3842 return NT_STATUS_INVALID_HANDLE;
3843
3844 if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, SA_RIGHT_ALIAS_ADD_MEMBER, "_samr_add_aliasmem"))) {
3845 return r_u->status;
3846 }
3847
3848 DEBUG(10, ("sid is %s\n", sid_string_static(&alias_sid)));
3849
3850 se_priv_copy( &se_rights, &se_add_users );
3851 can_add_accounts = user_has_privileges( p->pipe_user.nt_user_token, &se_rights );
3852
3853 /******** BEGIN SeAddUsers BLOCK *********/
3854
3855 if ( can_add_accounts )
3856 become_root();
3857
3858 ret = pdb_add_aliasmem(&alias_sid, &q_u->sid.sid);
3859
3860 if ( can_add_accounts )
3861 unbecome_root();
3862
3863 /******** END SeAddUsers BLOCK *********/
3864
3865 if (NT_STATUS_IS_OK(ret)) {
3866 force_flush_samr_cache(disp_info);
3867 }
3868
3869 return ret;
3870 }
3871
3872 /*********************************************************************
3873 _samr_del_aliasmem
3874 *********************************************************************/
3875
3876 NTSTATUS _samr_del_aliasmem(pipes_struct *p, SAMR_Q_DEL_ALIASMEM *q_u, SAMR_R_DEL_ALIASMEM *r_u)
3877 {
3878 DOM_SID alias_sid;
3879 uint32 acc_granted;
3880 SE_PRIV se_rights;
3881 BOOL can_add_accounts;
3882 NTSTATUS ret;
3883 DISP_INFO *disp_info = NULL;
3884
3885 /* Find the policy handle. Open a policy on it. */
3886 if (!get_lsa_policy_samr_sid(p, &q_u->alias_pol, &alias_sid, &acc_granted, &disp_info))
3887 return NT_STATUS_INVALID_HANDLE;
3888
3889 if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, SA_RIGHT_ALIAS_REMOVE_MEMBER, "_samr_del_aliasmem"))) {
3890 return r_u->status;
3891 }
3892
3893 DEBUG(10, ("_samr_del_aliasmem:sid is %s\n",
3894 sid_string_static(&alias_sid)));
3895
3896 se_priv_copy( &se_rights, &se_add_users );
3897 can_add_accounts = user_has_privileges( p->pipe_user.nt_user_token, &se_rights );
3898
3899 /******** BEGIN SeAddUsers BLOCK *********/
3900
3901 if ( can_add_accounts )
3902 become_root();
3903
3904 ret = pdb_del_aliasmem(&alias_sid, &q_u->sid.sid);
3905
3906 if ( can_add_accounts )
3907 unbecome_root();
3908
3909 /******** END SeAddUsers BLOCK *********/
3910
3911 if (NT_STATUS_IS_OK(ret)) {
3912 force_flush_samr_cache(disp_info);
3913 }
3914
3915 return ret;
3916 }
3917
3918 /*********************************************************************
3919 _samr_add_groupmem
3920 *********************************************************************/
3921
3922 NTSTATUS _samr_add_groupmem(pipes_struct *p, SAMR_Q_ADD_GROUPMEM *q_u, SAMR_R_ADD_GROUPMEM *r_u)
3923 {
3924 DOM_SID group_sid;
3925 uint32 group_rid;
3926 uint32 acc_granted;
3927 SE_PRIV se_rights;
3928 BOOL can_add_accounts;
3929 DISP_INFO *disp_info = NULL;
3930
3931 /* Find the policy handle. Open a policy on it. */
3932 if (!get_lsa_policy_samr_sid(p, &q_u->pol, &group_sid, &acc_granted, &disp_info))
3933 return NT_STATUS_INVALID_HANDLE;
3934
3935 if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, SA_RIGHT_GROUP_ADD_MEMBER, "_samr_add_groupmem"))) {
3936 return r_u->status;
3937 }
3938
3939 DEBUG(10, ("sid is %s\n", sid_string_static(&group_sid)));
3940
3941 if (!sid_peek_check_rid(get_global_sam_sid(), &group_sid,
3942 &group_rid)) {
3943 return NT_STATUS_INVALID_HANDLE;
3944 }
3945
3946 se_priv_copy( &se_rights, &se_add_users );
3947 can_add_accounts = user_has_privileges( p->pipe_user.nt_user_token, &se_rights );
3948
3949 /******** BEGIN SeAddUsers BLOCK *********/
3950
3951 if ( can_add_accounts )
3952 become_root();
3953
3954 r_u->status = pdb_add_groupmem(p->mem_ctx, group_rid, q_u->rid);
3955
3956 if ( can_add_accounts )
3957 unbecome_root();
3958
3959 /******** END SeAddUsers BLOCK *********/
3960
3961 force_flush_samr_cache(disp_info);
3962
3963 return r_u->status;
3964 }
3965
3966 /*********************************************************************
3967 _samr_del_groupmem
3968 *********************************************************************/
3969
3970 NTSTATUS _samr_del_groupmem(pipes_struct *p, SAMR_Q_DEL_GROUPMEM *q_u, SAMR_R_DEL_GROUPMEM *r_u)
3971 {
3972 DOM_SID group_sid;
3973 uint32 group_rid;
3974 uint32 acc_granted;
3975 SE_PRIV se_rights;
3976 BOOL can_add_accounts;
3977 DISP_INFO *disp_info = NULL;
3978
3979 /*
3980 * delete the group member named q_u->rid
3981 * who is a member of the sid associated with the handle
3982 * the rid is a user's rid as the group is a domain group.
3983 */
3984
3985 /* Find the policy handle. Open a policy on it. */
3986 if (!get_lsa_policy_samr_sid(p, &q_u->pol, &group_sid, &acc_granted, &disp_info))
3987 return NT_STATUS_INVALID_HANDLE;
3988
3989 if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, SA_RIGHT_GROUP_REMOVE_MEMBER, "_samr_del_groupmem"))) {
3990 return r_u->status;
3991 }
3992
3993 if (!sid_peek_check_rid(get_global_sam_sid(), &group_sid,
3994 &group_rid)) {
3995 return NT_STATUS_INVALID_HANDLE;
3996 }
3997
3998 se_priv_copy( &se_rights, &se_add_users );
3999 can_add_accounts = user_has_privileges( p->pipe_user.nt_user_token, &se_rights );
4000
4001 /******** BEGIN SeAddUsers BLOCK *********/
4002
4003 if ( can_add_accounts )
4004 become_root();
4005
4006 r_u->status = pdb_del_groupmem(p->mem_ctx, group_rid, q_u->rid);
4007
4008 if ( can_add_accounts )
4009 unbecome_root();
4010
4011 /******** END SeAddUsers BLOCK *********/
4012
4013 force_flush_samr_cache(disp_info);
4014
4015 return r_u->status;
4016 }
4017
4018 /*********************************************************************
4019 _samr_delete_dom_user
4020 *********************************************************************/
4021
4022 NTSTATUS _samr_delete_dom_user(pipes_struct *p, SAMR_Q_DELETE_DOM_USER *q_u, SAMR_R_DELETE_DOM_USER *r_u )
4023 {
4024 DOM_SID user_sid;
4025 struct samu *sam_pass=NULL;
4026 uint32 acc_granted;
4027 BOOL can_add_accounts;
4028 uint32 acb_info;
4029 DISP_INFO *disp_info = NULL;
4030
4031 DEBUG(5, ("_samr_delete_dom_user: %d\n", __LINE__));
4032
4033 /* Find the policy handle. Open a policy on it. */
4034 if (!get_lsa_policy_samr_sid(p, &q_u->user_pol, &user_sid, &acc_granted, &disp_info))
4035 return NT_STATUS_INVALID_HANDLE;
4036
4037 if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, STD_RIGHT_DELETE_ACCESS, "_samr_delete_dom_user"))) {
4038 return r_u->status;
4039 }
4040
4041 if (!sid_check_is_in_our_domain(&user_sid))
4042 return NT_STATUS_CANNOT_DELETE;
4043
4044 /* check if the user exists before trying to delete */
4045 if ( !(sam_pass = samu_new( NULL )) ) {
4046 return NT_STATUS_NO_MEMORY;
4047 }
4048
4049 if(!pdb_getsampwsid(sam_pass, &user_sid)) {
4050 DEBUG(5,("_samr_delete_dom_user:User %s doesn't exist.\n",
4051 sid_string_static(&user_sid)));
4052 TALLOC_FREE(sam_pass);
4053 return NT_STATUS_NO_SUCH_USER;
4054 }
4055
4056 acb_info = pdb_get_acct_ctrl(sam_pass);
4057
4058 /* For machine accounts it's the SeMachineAccountPrivilege that counts. */
4059 if ( acb_info & ACB_WSTRUST ) {
4060 can_add_accounts = user_has_privileges( p->pipe_user.nt_user_token, &se_machine_account );
4061 } else {
4062 can_add_accounts = user_has_privileges( p->pipe_user.nt_user_token, &se_add_users );
4063 }
4064
4065 /******** BEGIN SeAddUsers BLOCK *********/
4066
4067 if ( can_add_accounts )
4068 become_root();
4069
4070 r_u->status = pdb_delete_user(p->mem_ctx, sam_pass);
4071
4072 if ( can_add_accounts )
4073 unbecome_root();
4074
4075 /******** END SeAddUsers BLOCK *********/
4076
4077 if ( !NT_STATUS_IS_OK(r_u->status) ) {
4078 DEBUG(5,("_samr_delete_dom_user: Failed to delete entry for "
4079 "user %s: %s.\n", pdb_get_username(sam_pass),
4080 nt_errstr(r_u->status)));
4081 TALLOC_FREE(sam_pass);
4082 return r_u->status;
4083 }
4084
4085
4086 TALLOC_FREE(sam_pass);
4087
4088 if (!close_policy_hnd(p, &q_u->user_pol))
4089 return NT_STATUS_OBJECT_NAME_INVALID;
4090
4091 force_flush_samr_cache(disp_info);
4092
4093 return NT_STATUS_OK;
4094 }
4095
4096 /*********************************************************************
4097 _samr_delete_dom_group
4098 *********************************************************************/
4099
4100 NTSTATUS _samr_delete_dom_group(pipes_struct *p, SAMR_Q_DELETE_DOM_GROUP *q_u, SAMR_R_DELETE_DOM_GROUP *r_u)
4101 {
4102 DOM_SID group_sid;
4103 uint32 group_rid;
4104 uint32 acc_granted;
4105 SE_PRIV se_rights;
4106 BOOL can_add_accounts;
4107 DISP_INFO *disp_info = NULL;
4108
4109 DEBUG(5, ("samr_delete_dom_group: %d\n", __LINE__));
4110
4111 /* Find the policy handle. Open a policy on it. */
4112 if (!get_lsa_policy_samr_sid(p, &q_u->group_pol, &group_sid, &acc_granted, &disp_info))
4113 return NT_STATUS_INVALID_HANDLE;
4114
4115 if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, STD_RIGHT_DELETE_ACCESS, "_samr_delete_dom_group"))) {
4116 return r_u->status;
4117 }
4118
4119 DEBUG(10, ("sid is %s\n", sid_string_static(&group_sid)));
4120
4121 if (!sid_peek_check_rid(get_global_sam_sid(), &group_sid,
4122 &group_rid)) {
4123 return NT_STATUS_NO_SUCH_GROUP;
4124 }
4125
4126 se_priv_copy( &se_rights, &se_add_users );
4127 can_add_accounts = user_has_privileges( p->pipe_user.nt_user_token, &se_rights );
4128
4129 /******** BEGIN SeAddUsers BLOCK *********/
4130
4131 if ( can_add_accounts )
4132 become_root();
4133
4134 r_u->status = pdb_delete_dom_group(p->mem_ctx, group_rid);
4135
4136 if ( can_add_accounts )
4137 unbecome_root();
4138
4139 /******** END SeAddUsers BLOCK *********/
4140
4141 if ( !NT_STATUS_IS_OK(r_u->status) ) {
4142 DEBUG(5,("_samr_delete_dom_group: Failed to delete mapping "
4143 "entry for group %s: %s\n",
4144 sid_string_static(&group_sid),
4145 nt_errstr(r_u->status)));
4146 return r_u->status;
4147 }
4148
4149 if (!close_policy_hnd(p, &q_u->group_pol))
4150 return NT_STATUS_OBJECT_NAME_INVALID;
4151
4152 force_flush_samr_cache(disp_info);
4153
4154 return NT_STATUS_OK;
4155 }
4156
4157 /*********************************************************************
4158 _samr_delete_dom_alias
4159 *********************************************************************/
4160
4161 NTSTATUS _samr_delete_dom_alias(pipes_struct *p, SAMR_Q_DELETE_DOM_ALIAS *q_u, SAMR_R_DELETE_DOM_ALIAS *r_u)
4162 {
4163 DOM_SID alias_sid;
4164 uint32 acc_granted;
4165 SE_PRIV se_rights;
4166 BOOL can_add_accounts;
4167 BOOL ret;
4168 DISP_INFO *disp_info = NULL;
4169
4170 DEBUG(5, ("_samr_delete_dom_alias: %d\n", __LINE__));
4171
4172 /* Find the policy handle. Open a policy on it. */
4173 if (!get_lsa_policy_samr_sid(p, &q_u->alias_pol, &alias_sid, &acc_granted, &disp_info))
4174 return NT_STATUS_INVALID_HANDLE;
4175
4176 /* copy the handle to the outgoing reply */
4177
4178 memcpy( &r_u->pol, &q_u->alias_pol, sizeof(r_u->pol) );
4179
4180 if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, STD_RIGHT_DELETE_ACCESS, "_samr_delete_dom_alias"))) {
4181 return r_u->status;
4182 }
4183
4184 DEBUG(10, ("sid is %s\n", sid_string_static(&alias_sid)));
4185
4186 /* Don't let Windows delete builtin groups */
4187
4188 if ( sid_check_is_in_builtin( &alias_sid ) ) {
4189 return NT_STATUS_SPECIAL_ACCOUNT;
4190 }
4191
4192 if (!sid_check_is_in_our_domain(&alias_sid))
4193 return NT_STATUS_NO_SUCH_ALIAS;
4194
4195 DEBUG(10, ("lookup on Local SID\n"));
4196
4197 se_priv_copy( &se_rights, &se_add_users );
4198 can_add_accounts = user_has_privileges( p->pipe_user.nt_user_token, &se_rights );
4199
4200 /******** BEGIN SeAddUsers BLOCK *********/
4201
4202 if ( can_add_accounts )
4203 become_root();
4204
4205 /* Have passdb delete the alias */
4206 ret = pdb_delete_alias(&alias_sid);
4207
4208 if ( can_add_accounts )
4209 unbecome_root();
4210
4211 /******** END SeAddUsers BLOCK *********/
4212
4213 if ( !ret )
4214 return NT_STATUS_ACCESS_DENIED;
4215
4216 if (!close_policy_hnd(p, &q_u->alias_pol))
4217 return NT_STATUS_OBJECT_NAME_INVALID;
4218
4219 force_flush_samr_cache(disp_info);
4220
4221 return NT_STATUS_OK;
4222 }
4223
4224 /*********************************************************************
4225 _samr_create_dom_group
4226 *********************************************************************/
4227
4228 NTSTATUS _samr_create_dom_group(pipes_struct *p, SAMR_Q_CREATE_DOM_GROUP *q_u, SAMR_R_CREATE_DOM_GROUP *r_u)
4229 {
4230 DOM_SID dom_sid;
4231 DOM_SID info_sid;
4232 const char *name;
4233 struct samr_info *info;
4234 uint32 acc_granted;
4235 SE_PRIV se_rights;
4236 BOOL can_add_accounts;
4237 DISP_INFO *disp_info = NULL;
4238
4239 /* Find the policy handle. Open a policy on it. */
4240 if (!get_lsa_policy_samr_sid(p, &q_u->pol, &dom_sid, &acc_granted, &disp_info))
4241 return NT_STATUS_INVALID_HANDLE;
4242
4243 if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, SA_RIGHT_DOMAIN_CREATE_GROUP, "_samr_create_dom_group"))) {
4244 return r_u->status;
4245 }
4246
4247 if (!sid_equal(&dom_sid, get_global_sam_sid()))
4248 return NT_STATUS_ACCESS_DENIED;
4249
4250 name = rpcstr_pull_unistr2_talloc(p->mem_ctx, &q_u->uni_acct_desc);
4251 if (name == NULL) {
4252 return NT_STATUS_NO_MEMORY;
4253 }
4254
4255 r_u->status = can_create(p->mem_ctx, name);
4256 if (!NT_STATUS_IS_OK(r_u->status)) {
4257 return r_u->status;
4258 }
4259
4260 se_priv_copy( &se_rights, &se_add_users );
4261 can_add_accounts = user_has_privileges( p->pipe_user.nt_user_token, &se_rights );
4262
4263 /******** BEGIN SeAddUsers BLOCK *********/
4264
4265 if ( can_add_accounts )
4266 become_root();
4267
4268 /* check that we successfully create the UNIX group */
4269
4270 r_u->status = pdb_create_dom_group(p->mem_ctx, name, &r_u->rid);
4271
4272 if ( can_add_accounts )
4273 unbecome_root();
4274
4275 /******** END SeAddUsers BLOCK *********/
4276
4277 /* check if we should bail out here */
4278
4279 if ( !NT_STATUS_IS_OK(r_u->status) )
4280 return r_u->status;
4281
4282 sid_compose(&info_sid, get_global_sam_sid(), r_u->rid);
4283
4284 if ((info = get_samr_info_by_sid(&info_sid)) == NULL)
4285 return NT_STATUS_NO_MEMORY;
4286
4287 /* they created it; let the user do what he wants with it */
4288
4289 info->acc_granted = GENERIC_RIGHTS_GROUP_ALL_ACCESS;
4290
4291 /* get a (unique) handle. open a policy on it. */
4292 if (!create_policy_hnd(p, &r_u->pol, free_samr_info, (void *)info))
4293 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
4294
4295 force_flush_samr_cache(disp_info);
4296
4297 return NT_STATUS_OK;
4298 }
4299
4300 /*********************************************************************
4301 _samr_create_dom_alias
4302 *********************************************************************/
4303
4304 NTSTATUS _samr_create_dom_alias(pipes_struct *p, SAMR_Q_CREATE_DOM_ALIAS *q_u, SAMR_R_CREATE_DOM_ALIAS *r_u)
4305 {
4306 DOM_SID dom_sid;
4307 DOM_SID info_sid;
4308 fstring name;
4309 struct samr_info *info;
4310 uint32 acc_granted;
4311 gid_t gid;
4312 NTSTATUS result;
4313 SE_PRIV se_rights;
4314 BOOL can_add_accounts;
4315 DISP_INFO *disp_info = NULL;
4316
4317 /* Find the policy handle. Open a policy on it. */
4318 if (!get_lsa_policy_samr_sid(p, &q_u->dom_pol, &dom_sid, &acc_granted, &disp_info))
4319 return NT_STATUS_INVALID_HANDLE;
4320
4321 if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, SA_RIGHT_DOMAIN_CREATE_ALIAS, "_samr_create_alias"))) {
4322 return r_u->status;
4323 }
4324
4325 if (!sid_equal(&dom_sid, get_global_sam_sid()))
4326 return NT_STATUS_ACCESS_DENIED;
4327
4328 unistr2_to_ascii(name, &q_u->uni_acct_desc, sizeof(name)-1);
4329
4330 se_priv_copy( &se_rights, &se_add_users );
4331 can_add_accounts = user_has_privileges( p->pipe_user.nt_user_token, &se_rights );
4332
4333 result = can_create(p->mem_ctx, name);
4334 if (!NT_STATUS_IS_OK(result)) {
4335 return result;
4336 }
4337
4338 /******** BEGIN SeAddUsers BLOCK *********/
4339
4340 if ( can_add_accounts )
4341 become_root();
4342
4343 /* Have passdb create the alias */
4344 result = pdb_create_alias(name, &r_u->rid);
4345
4346 if ( can_add_accounts )
4347 unbecome_root();
4348
4349 /******** END SeAddUsers BLOCK *********/
4350
4351 if (!NT_STATUS_IS_OK(result)) {
4352 DEBUG(10, ("pdb_create_alias failed: %s\n",
4353 nt_errstr(result)));
4354 return result;
4355 }
4356
4357 sid_copy(&info_sid, get_global_sam_sid());
4358 sid_append_rid(&info_sid, r_u->rid);
4359
4360 if (!sid_to_gid(&info_sid, &gid)) {
4361 DEBUG(10, ("Could not find alias just created\n"));
4362 return NT_STATUS_ACCESS_DENIED;
4363 }
4364
4365 /* check if the group has been successfully created */
4366 if ( getgrgid(gid) == NULL ) {
4367 DEBUG(10, ("getgrgid(%d) of just created alias failed\n",
4368 gid));
4369 return NT_STATUS_ACCESS_DENIED;
4370 }
4371
4372 if ((info = get_samr_info_by_sid(&info_sid)) == NULL)
4373 return NT_STATUS_NO_MEMORY;
4374
4375 /* they created it; let the user do what he wants with it */
4376
4377 info->acc_granted = GENERIC_RIGHTS_ALIAS_ALL_ACCESS;
4378
4379 /* get a (unique) handle. open a policy on it. */
4380 if (!create_policy_hnd(p, &r_u->alias_pol, free_samr_info, (void *)info))
4381 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
4382
4383 force_flush_samr_cache(disp_info);
4384
4385 return NT_STATUS_OK;
4386 }
4387
4388 /*********************************************************************
4389 _samr_query_groupinfo
4390
4391 sends the name/comment pair of a domain group
4392 level 1 send also the number of users of that group
4393 *********************************************************************/
4394
4395 NTSTATUS _samr_query_groupinfo(pipes_struct *p, SAMR_Q_QUERY_GROUPINFO *q_u, SAMR_R_QUERY_GROUPINFO *r_u)
4396 {
4397 DOM_SID group_sid;
4398 GROUP_MAP map;
4399 GROUP_INFO_CTR *ctr;
4400 uint32 acc_granted;
4401 BOOL ret;
4402
4403 if (!get_lsa_policy_samr_sid(p, &q_u->pol, &group_sid, &acc_granted, NULL))
4404 return NT_STATUS_INVALID_HANDLE;
4405
4406 if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, SA_RIGHT_GROUP_LOOKUP_INFO, "_samr_query_groupinfo"))) {
4407 return r_u->status;
4408 }
4409
4410 become_root();
4411 ret = get_domain_group_from_sid(group_sid, &map);
4412 unbecome_root();
4413 if (!ret)
4414 return NT_STATUS_INVALID_HANDLE;
4415
4416 ctr=TALLOC_ZERO_P(p->mem_ctx, GROUP_INFO_CTR);
4417 if (ctr==NULL)
4418 return NT_STATUS_NO_MEMORY;
4419
4420 switch (q_u->switch_level) {
4421 case 1: {
4422 uint32 *members;
4423 size_t num_members;
4424
4425 ctr->switch_value1 = 1;
4426
4427 become_root();
4428 r_u->status = pdb_enum_group_members(
4429 p->mem_ctx, &group_sid, &members, &num_members);
4430 unbecome_root();
4431
4432 if (!NT_STATUS_IS_OK(r_u->status)) {
4433 return r_u->status;
4434 }
4435
4436 init_samr_group_info1(&ctr->group.info1, map.nt_name,
4437 map.comment, num_members);
4438 break;
4439 }
4440 case 2:
4441 ctr->switch_value1 = 2;
4442 init_samr_group_info2(&ctr->group.info2, map.nt_name);
4443 break;
4444 case 3:
4445 ctr->switch_value1 = 3;
4446 init_samr_group_info3(&ctr->group.info3);
4447 break;
4448 case 4:
4449 ctr->switch_value1 = 4;
4450 init_samr_group_info4(&ctr->group.info4, map.comment);
4451 break;
4452 case 5: {
4453 /*
4454 uint32 *members;
4455 size_t num_members;
4456 */
4457
4458 ctr->switch_value1 = 5;
4459
4460 /*
4461 become_root();
4462 r_u->status = pdb_enum_group_members(
4463 p->mem_ctx, &group_sid, &members, &num_members);
4464 unbecome_root();
4465
4466 if (!NT_STATUS_IS_OK(r_u->status)) {
4467 return r_u->status;
4468 }
4469 */
4470 init_samr_group_info5(&ctr->group.info5, map.nt_name,
4471 map.comment, 0 /* num_members */); /* in w2k3 this is always 0 */
4472 break;
4473 }
4474 default:
4475 return NT_STATUS_INVALID_INFO_CLASS;
4476 }
4477
4478 init_samr_r_query_groupinfo(r_u, ctr, NT_STATUS_OK);
4479
4480 return NT_STATUS_OK;
4481 }
4482
4483 /*********************************************************************
4484 _samr_set_groupinfo
4485
4486 update a domain group's comment.
4487 *********************************************************************/
4488
4489 NTSTATUS _samr_set_groupinfo(pipes_struct *p, SAMR_Q_SET_GROUPINFO *q_u, SAMR_R_SET_GROUPINFO *r_u)
4490 {
4491 DOM_SID group_sid;
4492 GROUP_MAP map;
4493 GROUP_INFO_CTR *ctr;
4494 uint32 acc_granted;
4495 NTSTATUS ret;
4496 BOOL result;
4497 BOOL can_mod_accounts;
4498 DISP_INFO *disp_info = NULL;
4499
4500 if (!get_lsa_policy_samr_sid(p, &q_u->pol, &group_sid, &acc_granted, &disp_info))
4501 return NT_STATUS_INVALID_HANDLE;
4502
4503 if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, SA_RIGHT_GROUP_SET_INFO, "_samr_set_groupinfo"))) {
4504 return r_u->status;
4505 }
4506
4507 become_root();
4508 result = get_domain_group_from_sid(group_sid, &map);
4509 unbecome_root();
4510 if (!result)
4511 return NT_STATUS_NO_SUCH_GROUP;
4512
4513 ctr=q_u->ctr;
4514
4515 switch (ctr->switch_value1) {
4516 case 1:
4517 unistr2_to_ascii(map.comment, &(ctr->group.info1.uni_acct_desc), sizeof(map.comment)-1);
4518 break;
4519 case 4:
4520 unistr2_to_ascii(map.comment, &(ctr->group.info4.uni_acct_desc), sizeof(map.comment)-1);
4521 break;
4522 default:
4523 return NT_STATUS_INVALID_INFO_CLASS;
4524 }
4525
4526 can_mod_accounts = user_has_privileges( p->pipe_user.nt_user_token, &se_add_users );
4527
4528 /******** BEGIN SeAddUsers BLOCK *********/
4529
4530 if ( can_mod_accounts )
4531 become_root();
4532
4533 ret = pdb_update_group_mapping_entry(&map);
4534
4535 if ( can_mod_accounts )
4536 unbecome_root();
4537
4538 /******** End SeAddUsers BLOCK *********/
4539
4540 if (NT_STATUS_IS_OK(ret)) {
4541 force_flush_samr_cache(disp_info);
4542 }
4543
4544 return ret;
4545 }
4546
4547 /*********************************************************************
4548 _samr_set_aliasinfo
4549
4550 update an alias's comment.
4551 *********************************************************************/
4552
4553 NTSTATUS _samr_set_aliasinfo(pipes_struct *p, SAMR_Q_SET_ALIASINFO *q_u, SAMR_R_SET_ALIASINFO *r_u)
4554 {
4555 DOM_SID group_sid;
4556 struct acct_info info;
4557 ALIAS_INFO_CTR *ctr;
4558 uint32 acc_granted;
4559 BOOL ret;
4560 BOOL can_mod_accounts;
4561 DISP_INFO *disp_info = NULL;
4562
4563 if (!get_lsa_policy_samr_sid(p, &q_u->alias_pol, &group_sid, &acc_granted, &disp_info))
4564 return NT_STATUS_INVALID_HANDLE;
4565
4566 if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, SA_RIGHT_ALIAS_SET_INFO, "_samr_set_aliasinfo"))) {
4567 return r_u->status;
4568 }
4569
4570 ctr=&q_u->ctr;
4571
4572 /* get the current group information */
4573
4574 if ( !pdb_get_aliasinfo( &group_sid, &info ) ) {
4575 return NT_STATUS_NO_SUCH_ALIAS;
4576 }
4577
4578 switch (ctr->level) {
4579 case 2:
4580 /* We currently do not support renaming groups in the
4581 the BUILTIN domain. Refer to util_builtin.c to understand
4582 why. The eventually needs to be fixed to be like Windows
4583 where you can rename builtin groups, just not delete them */
4584
4585 if ( sid_check_is_in_builtin( &group_sid ) ) {
4586 return NT_STATUS_SPECIAL_ACCOUNT;
4587 }
4588
4589 if ( ctr->alias.info2.name.string ) {
4590 unistr2_to_ascii( info.acct_name, ctr->alias.info2.name.string,
4591 sizeof(info.acct_name)-1 );
4592 }
4593 else
4594 fstrcpy( info.acct_name, "" );
4595 break;
4596 case 3:
4597 if ( ctr->alias.info3.description.string ) {
4598 unistr2_to_ascii( info.acct_desc,
4599 ctr->alias.info3.description.string,
4600 sizeof(info.acct_desc)-1 );
4601 }
4602 else
4603 fstrcpy( info.acct_desc, "" );
4604 break;
4605 default:
4606 return NT_STATUS_INVALID_INFO_CLASS;
4607 }
4608
4609 can_mod_accounts = user_has_privileges( p->pipe_user.nt_user_token, &se_add_users );
4610
4611 /******** BEGIN SeAddUsers BLOCK *********/
4612
4613 if ( can_mod_accounts )
4614 become_root();
4615
4616 ret = pdb_set_aliasinfo( &group_sid, &info );
4617
4618 if ( can_mod_accounts )
4619 unbecome_root();
4620
4621 /******** End SeAddUsers BLOCK *********/
4622
4623 if (ret) {
4624 force_flush_samr_cache(disp_info);
4625 }
4626
4627 return ret ? NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
4628 }
4629
4630 /*********************************************************************
4631 _samr_get_dom_pwinfo
4632 *********************************************************************/
4633
4634 NTSTATUS _samr_get_dom_pwinfo(pipes_struct *p, SAMR_Q_GET_DOM_PWINFO *q_u, SAMR_R_GET_DOM_PWINFO *r_u)
4635 {
4636 /* Perform access check. Since this rpc does not require a
4637 policy handle it will not be caught by the access checks on
4638 SAMR_CONNECT or SAMR_CONNECT_ANON. */
4639
4640 if (!pipe_access_check(p)) {
4641 DEBUG(3, ("access denied to samr_get_dom_pwinfo\n"));
4642 r_u->status = NT_STATUS_ACCESS_DENIED;
4643 return r_u->status;
4644 }
4645
4646 /* Actually, returning zeros here works quite well :-). */
4647
4648 return NT_STATUS_OK;
4649 }
4650
4651 /*********************************************************************
4652 _samr_open_group
4653 *********************************************************************/
4654
4655 NTSTATUS _samr_open_group(pipes_struct *p, SAMR_Q_OPEN_GROUP *q_u, SAMR_R_OPEN_GROUP *r_u)
4656 {
4657 DOM_SID sid;
4658 DOM_SID info_sid;
4659 GROUP_MAP map;
4660 struct samr_info *info;
4661 SEC_DESC *psd = NULL;
4662 uint32 acc_granted;
4663 uint32 des_access = q_u->access_mask;
4664 size_t sd_size;
4665 NTSTATUS status;
4666 fstring sid_string;
4667 BOOL ret;
4668 SE_PRIV se_rights;
4669
4670 if (!get_lsa_policy_samr_sid(p, &q_u->domain_pol, &sid, &acc_granted, NULL))
4671 return NT_STATUS_INVALID_HANDLE;
4672
4673 status = access_check_samr_function(acc_granted,
4674 SA_RIGHT_DOMAIN_OPEN_ACCOUNT, "_samr_open_group");
4675
4676 if ( !NT_STATUS_IS_OK(status) )
4677 return status;
4678
4679 /*check if access can be granted as requested by client. */
4680 make_samr_object_sd(p->mem_ctx, &psd, &sd_size, &grp_generic_mapping, NULL, 0);
4681 se_map_generic(&des_access,&grp_generic_mapping);
4682
4683 se_priv_copy( &se_rights, &se_add_users );
4684
4685 status = access_check_samr_object(psd, p->pipe_user.nt_user_token,
4686 &se_rights, GENERIC_RIGHTS_GROUP_WRITE, des_access,
4687 &acc_granted, "_samr_open_group");
4688
4689 if ( !NT_STATUS_IS_OK(status) )
4690 return status;
4691
4692 /* this should not be hard-coded like this */
4693
4694 if (!sid_equal(&sid, get_global_sam_sid()))
4695 return NT_STATUS_ACCESS_DENIED;
4696
4697 sid_copy(&info_sid, get_global_sam_sid());
4698 sid_append_rid(&info_sid, q_u->rid_group);
4699 sid_to_string(sid_string, &info_sid);
4700
4701 if ((info = get_samr_info_by_sid(&info_sid)) == NULL)
4702 return NT_STATUS_NO_MEMORY;
4703
4704 info->acc_granted = acc_granted;
4705
4706 DEBUG(10, ("_samr_open_group:Opening SID: %s\n", sid_string));
4707
4708 /* check if that group really exists */
4709 become_root();
4710 ret = get_domain_group_from_sid(info->sid, &map);
4711 unbecome_root();
4712 if (!ret)
4713 return NT_STATUS_NO_SUCH_GROUP;
4714
4715 /* get a (unique) handle. open a policy on it. */
4716 if (!create_policy_hnd(p, &r_u->pol, free_samr_info, (void *)info))
4717 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
4718
4719 return NT_STATUS_OK;
4720 }
4721
4722 /*********************************************************************
4723 _samr_remove_sid_foreign_domain
4724 *********************************************************************/
4725
4726 NTSTATUS _samr_remove_sid_foreign_domain(pipes_struct *p,
4727 SAMR_Q_REMOVE_SID_FOREIGN_DOMAIN *q_u,
4728 SAMR_R_REMOVE_SID_FOREIGN_DOMAIN *r_u)
4729 {
4730 DOM_SID delete_sid, domain_sid;
4731 uint32 acc_granted;
4732 NTSTATUS result;
4733 DISP_INFO *disp_info = NULL;
4734
4735 sid_copy( &delete_sid, &q_u->sid.sid );
4736
4737 DEBUG(5,("_samr_remove_sid_foreign_domain: removing SID [%s]\n",
4738 sid_string_static(&delete_sid)));
4739
4740 /* Find the policy handle. Open a policy on it. */
4741
4742 if (!get_lsa_policy_samr_sid(p, &q_u->dom_pol, &domain_sid,
4743 &acc_granted, &disp_info))
4744 return NT_STATUS_INVALID_HANDLE;
4745
4746 result = access_check_samr_function(acc_granted, STD_RIGHT_DELETE_ACCESS,
4747 "_samr_remove_sid_foreign_domain");
4748
4749 if (!NT_STATUS_IS_OK(result))
4750 return result;
4751
4752 DEBUG(8, ("_samr_remove_sid_foreign_domain:sid is %s\n",
4753 sid_string_static(&domain_sid)));
4754
4755 /* we can only delete a user from a group since we don't have
4756 nested groups anyways. So in the latter case, just say OK */
4757
4758 /* TODO: The above comment nowadays is bogus. Since we have nested
4759 * groups now, and aliases members are never reported out of the unix
4760 * group membership, the "just say OK" makes this call a no-op. For
4761 * us. This needs fixing however. */
4762
4763 /* I've only ever seen this in the wild when deleting a user from
4764 * usrmgr.exe. domain_sid is the builtin domain, and the sid to delete
4765 * is the user about to be deleted. I very much suspect this is the
4766 * only application of this call. To verify this, let people report
4767 * other cases. */
4768
4769 if (!sid_check_is_builtin(&domain_sid)) {
4770 DEBUG(1,("_samr_remove_sid_foreign_domain: domain_sid = %s, "
4771 "global_sam_sid() = %s\n",
4772 sid_string_static(&domain_sid),
4773 sid_string_static(get_global_sam_sid())));
4774 DEBUGADD(1,("please report to samba-technical@samba.org!\n"));
4775 return NT_STATUS_OK;
4776 }
4777
4778 force_flush_samr_cache(disp_info);
4779
4780 result = NT_STATUS_OK;
4781
4782 return result;
4783 }
4784
4785 /*******************************************************************
4786 _samr_query_domain_info2
4787 ********************************************************************/
4788
4789 NTSTATUS _samr_query_domain_info2(pipes_struct *p,
4790 SAMR_Q_QUERY_DOMAIN_INFO2 *q_u,
4791 SAMR_R_QUERY_DOMAIN_INFO2 *r_u)
4792 {
4793 SAMR_Q_QUERY_DOMAIN_INFO q;
4794 SAMR_R_QUERY_DOMAIN_INFO r;
4795
4796 ZERO_STRUCT(q);
4797 ZERO_STRUCT(r);
4798
4799 DEBUG(5,("_samr_query_domain_info2: %d\n", __LINE__));
4800
4801 q.domain_pol = q_u->domain_pol;
4802 q.switch_value = q_u->switch_value;
4803
4804 r_u->status = _samr_query_domain_info(p, &q, &r);
4805
4806 r_u->ptr_0 = r.ptr_0;
4807 r_u->switch_value = r.switch_value;
4808 r_u->ctr = r.ctr;
4809
4810 return r_u->status;
4811 }
4812
4813 /*******************************************************************
4814 _samr_set_dom_info
4815 ********************************************************************/
4816
4817 NTSTATUS _samr_set_dom_info(pipes_struct *p, SAMR_Q_SET_DOMAIN_INFO *q_u, SAMR_R_SET_DOMAIN_INFO *r_u)
4818 {
4819 time_t u_expire, u_min_age;
4820 time_t u_logout;
4821 time_t u_lock_duration, u_reset_time;
4822
4823 r_u->status = NT_STATUS_OK;
4824
4825 DEBUG(5,("_samr_set_dom_info: %d\n", __LINE__));
4826
4827 /* find the policy handle. open a policy on it. */
4828 if (!find_policy_by_hnd(p, &q_u->domain_pol, NULL))
4829 return NT_STATUS_INVALID_HANDLE;
4830
4831 DEBUG(5,("_samr_set_dom_info: switch_value: %d\n", q_u->switch_value));
4832
4833 switch (q_u->switch_value) {
4834 case 0x01:
4835 u_expire=nt_time_to_unix_abs(&q_u->ctr->info.inf1.expire);
4836 u_min_age=nt_time_to_unix_abs(&q_u->ctr->info.inf1.min_passwordage);
4837
4838 pdb_set_account_policy(AP_MIN_PASSWORD_LEN, (uint32)q_u->ctr->info.inf1.min_length_password);
4839 pdb_set_account_policy(AP_PASSWORD_HISTORY, (uint32)q_u->ctr->info.inf1.password_history);
4840 pdb_set_account_policy(AP_USER_MUST_LOGON_TO_CHG_PASS, (uint32)q_u->ctr->info.inf1.password_properties);
4841 pdb_set_account_policy(AP_MAX_PASSWORD_AGE, (int)u_expire);
4842 pdb_set_account_policy(AP_MIN_PASSWORD_AGE, (int)u_min_age);
4843 break;
4844 case 0x02:
4845 break;
4846 case 0x03:
4847 u_logout=nt_time_to_unix_abs(&q_u->ctr->info.inf3.logout);
4848 pdb_set_account_policy(AP_TIME_TO_LOGOUT, (int)u_logout);
4849 break;
4850 case 0x05:
4851 break;
4852 case 0x06:
4853 break;
4854 case 0x07:
4855 break;
4856 case 0x0c:
4857 u_lock_duration=nt_time_to_unix_abs(&q_u->ctr->info.inf12.duration);
4858 if (u_lock_duration != -1)
4859 u_lock_duration /= 60;
4860
4861 u_reset_time=nt_time_to_unix_abs(&q_u->ctr->info.inf12.reset_count)/60;
4862
4863 pdb_set_account_policy(AP_LOCK_ACCOUNT_DURATION, (int)u_lock_duration);
4864 pdb_set_account_policy(AP_RESET_COUNT_TIME, (int)u_reset_time);
4865 pdb_set_account_policy(AP_BAD_ATTEMPT_LOCKOUT, (uint32)q_u->ctr->info.inf12.bad_attempt_lockout);
4866 break;
4867 default:
4868 return NT_STATUS_INVALID_INFO_CLASS;
4869 }
4870
4871 init_samr_r_set_domain_info(r_u, NT_STATUS_OK);
4872
4873 DEBUG(5,("_samr_set_dom_info: %d\n", __LINE__));
4874
4875 return r_u->status;
4876 }
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