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Fix usrmgr opening a user object as non-root.
[Samba/bb.git] / source / rpc_server / srv_samr_nt.c
blob4ee3ed6dd55010bb390f04f6ebb248d1a5bdd7ee
1 /*
2 * Unix SMB/CIFS implementation.
3 * RPC Pipe client / server routines
4 * Copyright (C) Andrew Tridgell 1992-1997,
5 * Copyright (C) Luke Kenneth Casson Leighton 1996-1997,
6 * Copyright (C) Paul Ashton 1997,
7 * Copyright (C) Marc Jacobsen 1999,
8 * Copyright (C) Jeremy Allison 2001-2008,
9 * Copyright (C) Jean François Micouleau 1998-2001,
10 * Copyright (C) Jim McDonough <jmcd@us.ibm.com> 2002,
11 * Copyright (C) Gerald (Jerry) Carter 2003-2004,
12 * Copyright (C) Simo Sorce 2003.
13 * Copyright (C) Volker Lendecke 2005.
14 * Copyright (C) Guenther Deschner 2008.
15 *
16 * This program is free software; you can redistribute it and/or modify
17 * it under the terms of the GNU General Public License as published by
18 * the Free Software Foundation; either version 3 of the License, or
19 * (at your option) any later version.
20 *
21 * This program is distributed in the hope that it will be useful,
22 * but WITHOUT ANY WARRANTY; without even the implied warranty of
23 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
24 * GNU General Public License for more details.
25 *
26 * You should have received a copy of the GNU General Public License
27 * along with this program; if not, see <http://www.gnu.org/licenses/>.
28 */
29
30 /*
31 * This is the implementation of the SAMR code.
32 */
33
34 #include "includes.h"
35
36 #undef DBGC_CLASS
37 #define DBGC_CLASS DBGC_RPC_SRV
38
39 #define SAMR_USR_RIGHTS_WRITE_PW \
40 ( READ_CONTROL_ACCESS | \
41 SAMR_USER_ACCESS_CHANGE_PASSWORD | \
42 SAMR_USER_ACCESS_SET_LOC_COM)
43 #define SAMR_USR_RIGHTS_CANT_WRITE_PW \
44 ( READ_CONTROL_ACCESS | SAMR_USER_ACCESS_SET_LOC_COM )
45
46 #define DISP_INFO_CACHE_TIMEOUT 10
47
48 typedef struct disp_info {
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 struct timed_event *cache_timeout_event; /* cache idle timeout
60 * 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 struct samr_info {
67 /* for use by the \PIPE\samr policy */
68 DOM_SID sid;
69 bool builtin_domain; /* Quick flag to check if this is the builtin domain. */
70 uint32 status; /* some sort of flag. best to record it. comes from opnum 0x39 */
71 uint32 acc_granted;
72 DISP_INFO *disp_info;
73 TALLOC_CTX *mem_ctx;
74 };
75
76 static const struct generic_mapping sam_generic_mapping = {
77 GENERIC_RIGHTS_SAM_READ,
78 GENERIC_RIGHTS_SAM_WRITE,
79 GENERIC_RIGHTS_SAM_EXECUTE,
80 GENERIC_RIGHTS_SAM_ALL_ACCESS};
81 static const struct generic_mapping dom_generic_mapping = {
82 GENERIC_RIGHTS_DOMAIN_READ,
83 GENERIC_RIGHTS_DOMAIN_WRITE,
84 GENERIC_RIGHTS_DOMAIN_EXECUTE,
85 GENERIC_RIGHTS_DOMAIN_ALL_ACCESS};
86 static const struct generic_mapping usr_generic_mapping = {
87 GENERIC_RIGHTS_USER_READ,
88 GENERIC_RIGHTS_USER_WRITE,
89 GENERIC_RIGHTS_USER_EXECUTE,
90 GENERIC_RIGHTS_USER_ALL_ACCESS};
91 static const struct generic_mapping usr_nopwchange_generic_mapping = {
92 GENERIC_RIGHTS_USER_READ,
93 GENERIC_RIGHTS_USER_WRITE,
94 GENERIC_RIGHTS_USER_EXECUTE & ~SAMR_USER_ACCESS_CHANGE_PASSWORD,
95 GENERIC_RIGHTS_USER_ALL_ACCESS};
96 static const struct generic_mapping grp_generic_mapping = {
97 GENERIC_RIGHTS_GROUP_READ,
98 GENERIC_RIGHTS_GROUP_WRITE,
99 GENERIC_RIGHTS_GROUP_EXECUTE,
100 GENERIC_RIGHTS_GROUP_ALL_ACCESS};
101 static const struct generic_mapping ali_generic_mapping = {
102 GENERIC_RIGHTS_ALIAS_READ,
103 GENERIC_RIGHTS_ALIAS_WRITE,
104 GENERIC_RIGHTS_ALIAS_EXECUTE,
105 GENERIC_RIGHTS_ALIAS_ALL_ACCESS};
106
107 /*******************************************************************
108 *******************************************************************/
109
110 static NTSTATUS make_samr_object_sd( TALLOC_CTX *ctx, SEC_DESC **psd, size_t *sd_size,
111 const struct generic_mapping *map,
112 DOM_SID *sid, uint32 sid_access )
113 {
114 DOM_SID domadmin_sid;
115 SEC_ACE ace[5]; /* at most 5 entries */
116 size_t i = 0;
117
118 SEC_ACL *psa = NULL;
119
120 /* basic access for Everyone */
121
122 init_sec_ace(&ace[i++], &global_sid_World, SEC_ACE_TYPE_ACCESS_ALLOWED,
123 map->generic_execute | map->generic_read, 0);
124
125 /* add Full Access 'BUILTIN\Administrators' and 'BUILTIN\Account Operators */
126
127 init_sec_ace(&ace[i++], &global_sid_Builtin_Administrators,
128 SEC_ACE_TYPE_ACCESS_ALLOWED, map->generic_all, 0);
129 init_sec_ace(&ace[i++], &global_sid_Builtin_Account_Operators,
130 SEC_ACE_TYPE_ACCESS_ALLOWED, map->generic_all, 0);
131
132 /* Add Full Access for Domain Admins if we are a DC */
133
134 if ( IS_DC ) {
135 sid_copy( &domadmin_sid, get_global_sam_sid() );
136 sid_append_rid( &domadmin_sid, DOMAIN_GROUP_RID_ADMINS );
137 init_sec_ace(&ace[i++], &domadmin_sid,
138 SEC_ACE_TYPE_ACCESS_ALLOWED, map->generic_all, 0);
139 }
140
141 /* if we have a sid, give it some special access */
142
143 if ( sid ) {
144 init_sec_ace(&ace[i++], sid, SEC_ACE_TYPE_ACCESS_ALLOWED, sid_access, 0);
145 }
146
147 /* create the security descriptor */
148
149 if ((psa = make_sec_acl(ctx, NT4_ACL_REVISION, i, ace)) == NULL)
150 return NT_STATUS_NO_MEMORY;
151
152 if ((*psd = make_sec_desc(ctx, SECURITY_DESCRIPTOR_REVISION_1,
153 SEC_DESC_SELF_RELATIVE, NULL, NULL, NULL,
154 psa, sd_size)) == NULL)
155 return NT_STATUS_NO_MEMORY;
156
157 return NT_STATUS_OK;
158 }
159
160 /*******************************************************************
161 Checks if access to an object should be granted, and returns that
162 level of access for further checks.
163 ********************************************************************/
164
165 static NTSTATUS access_check_samr_object( SEC_DESC *psd, NT_USER_TOKEN *token,
166 SE_PRIV *rights, uint32 rights_mask,
167 uint32 des_access, uint32 *acc_granted,
168 const char *debug )
169 {
170 NTSTATUS status = NT_STATUS_ACCESS_DENIED;
171 uint32 saved_mask = 0;
172
173 /* check privileges; certain SAM access bits should be overridden
174 by privileges (mostly having to do with creating/modifying/deleting
175 users and groups) */
176
177 if ( rights && user_has_any_privilege( token, rights ) ) {
178
179 saved_mask = (des_access & rights_mask);
180 des_access &= ~saved_mask;
181
182 DEBUG(4,("access_check_samr_object: user rights access mask [0x%x]\n",
183 rights_mask));
184 }
185
186
187 /* check the security descriptor first */
188
189 status = se_access_check(psd, token, des_access, acc_granted);
190 if (NT_STATUS_IS_OK(status)) {
191 goto done;
192 }
193
194 /* give root a free pass */
195
196 if ( geteuid() == sec_initial_uid() ) {
197
198 DEBUG(4,("%s: ACCESS should be DENIED (requested: %#010x)\n", debug, des_access));
199 DEBUGADD(4,("but overritten by euid == sec_initial_uid()\n"));
200
201 *acc_granted = des_access;
202
203 status = NT_STATUS_OK;
204 goto done;
205 }
206
207
208 done:
209 /* add in any bits saved during the privilege check (only
210 matters is status is ok) */
211
212 *acc_granted |= rights_mask;
213
214 DEBUG(4,("%s: access %s (requested: 0x%08x, granted: 0x%08x)\n",
215 debug, NT_STATUS_IS_OK(status) ? "GRANTED" : "DENIED",
216 des_access, *acc_granted));
217
218 return status;
219 }
220
221 /*******************************************************************
222 Checks if access to a function can be granted
223 ********************************************************************/
224
225 static NTSTATUS access_check_samr_function(uint32 acc_granted, uint32 acc_required, const char *debug)
226 {
227 DEBUG(5,("%s: access check ((granted: %#010x; required: %#010x)\n",
228 debug, acc_granted, acc_required));
229
230 /* check the security descriptor first */
231
232 if ( (acc_granted&acc_required) == acc_required )
233 return NT_STATUS_OK;
234
235 /* give root a free pass */
236
237 if (geteuid() == sec_initial_uid()) {
238
239 DEBUG(4,("%s: ACCESS should be DENIED (granted: %#010x; required: %#010x)\n",
240 debug, acc_granted, acc_required));
241 DEBUGADD(4,("but overwritten by euid == 0\n"));
242
243 return NT_STATUS_OK;
244 }
245
246 DEBUG(2,("%s: ACCESS DENIED (granted: %#010x; required: %#010x)\n",
247 debug, acc_granted, acc_required));
248
249 return NT_STATUS_ACCESS_DENIED;
250 }
251
252 /*******************************************************************
253 Map any MAXIMUM_ALLOWED_ACCESS request to a valid access set.
254 ********************************************************************/
255
256 static void map_max_allowed_access(const NT_USER_TOKEN *token,
257 uint32_t *pacc_requested)
258 {
259 if (!((*pacc_requested) & MAXIMUM_ALLOWED_ACCESS)) {
260 return;
261 }
262 *pacc_requested &= ~MAXIMUM_ALLOWED_ACCESS;
263
264 /* At least try for generic read. */
265 *pacc_requested = GENERIC_READ_ACCESS;
266
267 /* root gets anything. */
268 if (geteuid() == sec_initial_uid()) {
269 *pacc_requested |= GENERIC_ALL_ACCESS;
270 return;
271 }
272
273 /* Full Access for 'BUILTIN\Administrators' and 'BUILTIN\Account Operators */
274
275 if (is_sid_in_token(token, &global_sid_Builtin_Administrators) ||
276 is_sid_in_token(token, &global_sid_Builtin_Account_Operators)) {
277 *pacc_requested |= GENERIC_ALL_ACCESS;
278 return;
279 }
280
281 /* Full access for DOMAIN\Domain Admins. */
282 if ( IS_DC ) {
283 DOM_SID domadmin_sid;
284 sid_copy( &domadmin_sid, get_global_sam_sid() );
285 sid_append_rid( &domadmin_sid, DOMAIN_GROUP_RID_ADMINS );
286 if (is_sid_in_token(token, &domadmin_sid)) {
287 *pacc_requested |= GENERIC_ALL_ACCESS;
288 return;
289 }
290 }
291 /* TODO ! Check privileges. */
292 }
293
294 /*******************************************************************
295 Fetch or create a dispinfo struct.
296 ********************************************************************/
297
298 static DISP_INFO *get_samr_dispinfo_by_sid(DOM_SID *psid)
299 {
300 /*
301 * We do a static cache for DISP_INFO's here. Explanation can be found
302 * in Jeremy's checkin message to r11793:
303 *
304 * Fix the SAMR cache so it works across completely insane
305 * client behaviour (ie.:
306 * open pipe/open SAMR handle/enumerate 0 - 1024
307 * close SAMR handle, close pipe.
308 * open pipe/open SAMR handle/enumerate 1024 - 2048...
309 * close SAMR handle, close pipe.
310 * And on ad-nausium. Amazing.... probably object-oriented
311 * client side programming in action yet again.
312 * This change should *massively* improve performance when
313 * enumerating users from an LDAP database.
314 * Jeremy.
315 *
316 * "Our" and the builtin domain are the only ones where we ever
317 * enumerate stuff, so just cache 2 entries.
318 */
319
320 static struct disp_info builtin_dispinfo;
321 static struct disp_info domain_dispinfo;
322
323 /* There are two cases to consider here:
324 1) The SID is a domain SID and we look for an equality match, or
325 2) This is an account SID and so we return the DISP_INFO* for our
326 domain */
327
328 if (psid == NULL) {
329 return NULL;
330 }
331
332 if (sid_check_is_builtin(psid) || sid_check_is_in_builtin(psid)) {
333 /*
334 * Necessary only once, but it does not really hurt.
335 */
336 sid_copy(&builtin_dispinfo.sid, &global_sid_Builtin);
337
338 return &builtin_dispinfo;
339 }
340
341 if (sid_check_is_domain(psid) || sid_check_is_in_our_domain(psid)) {
342 /*
343 * Necessary only once, but it does not really hurt.
344 */
345 sid_copy(&domain_dispinfo.sid, get_global_sam_sid());
346
347 return &domain_dispinfo;
348 }
349
350 return NULL;
351 }
352
353 /*******************************************************************
354 Create a samr_info struct.
355 ********************************************************************/
356
357 static struct samr_info *get_samr_info_by_sid(DOM_SID *psid)
358 {
359 struct samr_info *info;
360 fstring sid_str;
361 TALLOC_CTX *mem_ctx;
362
363 if (psid) {
364 sid_to_fstring(sid_str, psid);
365 } else {
366 fstrcpy(sid_str,"(NULL)");
367 }
368
369 mem_ctx = talloc_init("samr_info for domain sid %s", sid_str);
370
371 if ((info = TALLOC_ZERO_P(mem_ctx, struct samr_info)) == NULL)
372 return NULL;
373
374 DEBUG(10,("get_samr_info_by_sid: created new info for sid %s\n", sid_str));
375 if (psid) {
376 sid_copy( &info->sid, psid);
377 info->builtin_domain = sid_check_is_builtin(psid);
378 } else {
379 DEBUG(10,("get_samr_info_by_sid: created new info for NULL sid.\n"));
380 info->builtin_domain = False;
381 }
382 info->mem_ctx = mem_ctx;
383
384 info->disp_info = get_samr_dispinfo_by_sid(psid);
385
386 return info;
387 }
388
389 /*******************************************************************
390 Function to free the per SID data.
391 ********************************************************************/
392
393 static void free_samr_cache(DISP_INFO *disp_info)
394 {
395 DEBUG(10, ("free_samr_cache: deleting cache for SID %s\n",
396 sid_string_dbg(&disp_info->sid)));
397
398 /* We need to become root here because the paged search might have to
399 * tell the LDAP server we're not interested in the rest anymore. */
400
401 become_root();
402
403 if (disp_info->users) {
404 DEBUG(10,("free_samr_cache: deleting users cache\n"));
405 pdb_search_destroy(disp_info->users);
406 disp_info->users = NULL;
407 }
408 if (disp_info->machines) {
409 DEBUG(10,("free_samr_cache: deleting machines cache\n"));
410 pdb_search_destroy(disp_info->machines);
411 disp_info->machines = NULL;
412 }
413 if (disp_info->groups) {
414 DEBUG(10,("free_samr_cache: deleting groups cache\n"));
415 pdb_search_destroy(disp_info->groups);
416 disp_info->groups = NULL;
417 }
418 if (disp_info->aliases) {
419 DEBUG(10,("free_samr_cache: deleting aliases cache\n"));
420 pdb_search_destroy(disp_info->aliases);
421 disp_info->aliases = NULL;
422 }
423 if (disp_info->enum_users) {
424 DEBUG(10,("free_samr_cache: deleting enum_users cache\n"));
425 pdb_search_destroy(disp_info->enum_users);
426 disp_info->enum_users = NULL;
427 }
428 disp_info->enum_acb_mask = 0;
429
430 unbecome_root();
431 }
432
433 /*******************************************************************
434 Function to free the per handle data.
435 ********************************************************************/
436
437 static void free_samr_info(void *ptr)
438 {
439 struct samr_info *info=(struct samr_info *) ptr;
440
441 /* Only free the dispinfo cache if no one bothered to set up
442 a timeout. */
443
444 if (info->disp_info && info->disp_info->cache_timeout_event == NULL) {
445 free_samr_cache(info->disp_info);
446 }
447
448 talloc_destroy(info->mem_ctx);
449 }
450
451 /*******************************************************************
452 Idle event handler. Throw away the disp info cache.
453 ********************************************************************/
454
455 static void disp_info_cache_idle_timeout_handler(struct event_context *ev_ctx,
456 struct timed_event *te,
457 const struct timeval *now,
458 void *private_data)
459 {
460 DISP_INFO *disp_info = (DISP_INFO *)private_data;
461
462 TALLOC_FREE(disp_info->cache_timeout_event);
463
464 DEBUG(10, ("disp_info_cache_idle_timeout_handler: caching timed "
465 "out\n"));
466 free_samr_cache(disp_info);
467 }
468
469 /*******************************************************************
470 Setup cache removal idle event handler.
471 ********************************************************************/
472
473 static void set_disp_info_cache_timeout(DISP_INFO *disp_info, time_t secs_fromnow)
474 {
475 /* Remove any pending timeout and update. */
476
477 TALLOC_FREE(disp_info->cache_timeout_event);
478
479 DEBUG(10,("set_disp_info_cache_timeout: caching enumeration for "
480 "SID %s for %u seconds\n", sid_string_dbg(&disp_info->sid),
481 (unsigned int)secs_fromnow ));
482
483 disp_info->cache_timeout_event = event_add_timed(
484 smbd_event_context(), NULL,
485 timeval_current_ofs(secs_fromnow, 0),
486 "disp_info_cache_idle_timeout_handler",
487 disp_info_cache_idle_timeout_handler, (void *)disp_info);
488 }
489
490 /*******************************************************************
491 Force flush any cache. We do this on any samr_set_xxx call.
492 We must also remove the timeout handler.
493 ********************************************************************/
494
495 static void force_flush_samr_cache(DISP_INFO *disp_info)
496 {
497 if ((disp_info == NULL) || (disp_info->cache_timeout_event == NULL)) {
498 return;
499 }
500
501 DEBUG(10,("force_flush_samr_cache: clearing idle event\n"));
502 TALLOC_FREE(disp_info->cache_timeout_event);
503 free_samr_cache(disp_info);
504 }
505
506 /*******************************************************************
507 Ensure password info is never given out. Paranioa... JRA.
508 ********************************************************************/
509
510 static void samr_clear_sam_passwd(struct samu *sam_pass)
511 {
512
513 if (!sam_pass)
514 return;
515
516 /* These now zero out the old password */
517
518 pdb_set_lanman_passwd(sam_pass, NULL, PDB_DEFAULT);
519 pdb_set_nt_passwd(sam_pass, NULL, PDB_DEFAULT);
520 }
521
522 static uint32 count_sam_users(struct disp_info *info, uint32 acct_flags)
523 {
524 struct samr_displayentry *entry;
525
526 if (info->builtin_domain) {
527 /* No users in builtin. */
528 return 0;
529 }
530
531 if (info->users == NULL) {
532 info->users = pdb_search_users(acct_flags);
533 if (info->users == NULL) {
534 return 0;
535 }
536 }
537 /* Fetch the last possible entry, thus trigger an enumeration */
538 pdb_search_entries(info->users, 0xffffffff, 1, &entry);
539
540 /* Ensure we cache this enumeration. */
541 set_disp_info_cache_timeout(info, DISP_INFO_CACHE_TIMEOUT);
542
543 return info->users->num_entries;
544 }
545
546 static uint32 count_sam_groups(struct disp_info *info)
547 {
548 struct samr_displayentry *entry;
549
550 if (info->builtin_domain) {
551 /* No groups in builtin. */
552 return 0;
553 }
554
555 if (info->groups == NULL) {
556 info->groups = pdb_search_groups();
557 if (info->groups == NULL) {
558 return 0;
559 }
560 }
561 /* Fetch the last possible entry, thus trigger an enumeration */
562 pdb_search_entries(info->groups, 0xffffffff, 1, &entry);
563
564 /* Ensure we cache this enumeration. */
565 set_disp_info_cache_timeout(info, DISP_INFO_CACHE_TIMEOUT);
566
567 return info->groups->num_entries;
568 }
569
570 static uint32 count_sam_aliases(struct disp_info *info)
571 {
572 struct samr_displayentry *entry;
573
574 if (info->aliases == NULL) {
575 info->aliases = pdb_search_aliases(&info->sid);
576 if (info->aliases == NULL) {
577 return 0;
578 }
579 }
580 /* Fetch the last possible entry, thus trigger an enumeration */
581 pdb_search_entries(info->aliases, 0xffffffff, 1, &entry);
582
583 /* Ensure we cache this enumeration. */
584 set_disp_info_cache_timeout(info, DISP_INFO_CACHE_TIMEOUT);
585
586 return info->aliases->num_entries;
587 }
588
589 /*******************************************************************
590 _samr_Close
591 ********************************************************************/
592
593 NTSTATUS _samr_Close(pipes_struct *p, struct samr_Close *r)
594 {
595 if (!close_policy_hnd(p, r->in.handle)) {
596 return NT_STATUS_INVALID_HANDLE;
597 }
598
599 ZERO_STRUCTP(r->out.handle);
600
601 return NT_STATUS_OK;
602 }
603
604 /*******************************************************************
605 _samr_OpenDomain
606 ********************************************************************/
607
608 NTSTATUS _samr_OpenDomain(pipes_struct *p,
609 struct samr_OpenDomain *r)
610 {
611 struct samr_info *info;
612 SEC_DESC *psd = NULL;
613 uint32 acc_granted;
614 uint32 des_access = r->in.access_mask;
615 NTSTATUS status;
616 size_t sd_size;
617 SE_PRIV se_rights;
618
619 /* find the connection policy handle. */
620
621 if ( !find_policy_by_hnd(p, r->in.connect_handle, (void**)(void *)&info) )
622 return NT_STATUS_INVALID_HANDLE;
623
624 status = access_check_samr_function(info->acc_granted,
625 SAMR_ACCESS_OPEN_DOMAIN,
626 "_samr_OpenDomain" );
627
628 if ( !NT_STATUS_IS_OK(status) )
629 return status;
630
631 /*check if access can be granted as requested by client. */
632 map_max_allowed_access(p->pipe_user.nt_user_token, &des_access);
633
634 make_samr_object_sd( p->mem_ctx, &psd, &sd_size, &dom_generic_mapping, NULL, 0 );
635 se_map_generic( &des_access, &dom_generic_mapping );
636
637 se_priv_copy( &se_rights, &se_machine_account );
638 se_priv_add( &se_rights, &se_add_users );
639
640 status = access_check_samr_object( psd, p->pipe_user.nt_user_token,
641 &se_rights, GENERIC_RIGHTS_DOMAIN_WRITE, des_access,
642 &acc_granted, "_samr_OpenDomain" );
643
644 if ( !NT_STATUS_IS_OK(status) )
645 return status;
646
647 if (!sid_check_is_domain(r->in.sid) &&
648 !sid_check_is_builtin(r->in.sid)) {
649 return NT_STATUS_NO_SUCH_DOMAIN;
650 }
651
652 /* associate the domain SID with the (unique) handle. */
653 if ((info = get_samr_info_by_sid(r->in.sid))==NULL)
654 return NT_STATUS_NO_MEMORY;
655 info->acc_granted = acc_granted;
656
657 /* get a (unique) handle. open a policy on it. */
658 if (!create_policy_hnd(p, r->out.domain_handle, free_samr_info, (void *)info))
659 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
660
661 DEBUG(5,("_samr_OpenDomain: %d\n", __LINE__));
662
663 return NT_STATUS_OK;
664 }
665
666 /*******************************************************************
667 _samr_GetUserPwInfo
668 ********************************************************************/
669
670 NTSTATUS _samr_GetUserPwInfo(pipes_struct *p,
671 struct samr_GetUserPwInfo *r)
672 {
673 struct samr_info *info = NULL;
674 enum lsa_SidType sid_type;
675 uint32_t min_password_length = 0;
676 uint32_t password_properties = 0;
677 bool ret = false;
678 NTSTATUS status;
679
680 DEBUG(5,("_samr_GetUserPwInfo: %d\n", __LINE__));
681
682 /* find the policy handle. open a policy on it. */
683 if (!find_policy_by_hnd(p, r->in.user_handle, (void **)(void *)&info)) {
684 return NT_STATUS_INVALID_HANDLE;
685 }
686
687 status = access_check_samr_function(info->acc_granted,
688 SAMR_USER_ACCESS_GET_ATTRIBUTES,
689 "_samr_GetUserPwInfo" );
690 if (!NT_STATUS_IS_OK(status)) {
691 return status;
692 }
693
694 if (!sid_check_is_in_our_domain(&info->sid)) {
695 return NT_STATUS_OBJECT_TYPE_MISMATCH;
696 }
697
698 become_root();
699 ret = lookup_sid(p->mem_ctx, &info->sid, NULL, NULL, &sid_type);
700 unbecome_root();
701 if (ret == false) {
702 return NT_STATUS_NO_SUCH_USER;
703 }
704
705 switch (sid_type) {
706 case SID_NAME_USER:
707 become_root();
708 pdb_get_account_policy(AP_MIN_PASSWORD_LEN,
709 &min_password_length);
710 pdb_get_account_policy(AP_USER_MUST_LOGON_TO_CHG_PASS,
711 &password_properties);
712 unbecome_root();
713
714 if (lp_check_password_script() && *lp_check_password_script()) {
715 password_properties |= DOMAIN_PASSWORD_COMPLEX;
716 }
717
718 break;
719 default:
720 break;
721 }
722
723 r->out.info->min_password_length = min_password_length;
724 r->out.info->password_properties = password_properties;
725
726 DEBUG(5,("_samr_GetUserPwInfo: %d\n", __LINE__));
727
728 return NT_STATUS_OK;
729 }
730
731 /*******************************************************************
732 ********************************************************************/
733
734 static bool get_lsa_policy_samr_sid( pipes_struct *p, POLICY_HND *pol,
735 DOM_SID *sid, uint32 *acc_granted,
736 DISP_INFO **ppdisp_info)
737 {
738 struct samr_info *info = NULL;
739
740 /* find the policy handle. open a policy on it. */
741 if (!find_policy_by_hnd(p, pol, (void **)(void *)&info))
742 return False;
743
744 if (!info)
745 return False;
746
747 *sid = info->sid;
748 *acc_granted = info->acc_granted;
749 if (ppdisp_info) {
750 *ppdisp_info = info->disp_info;
751 }
752
753 return True;
754 }
755
756 /*******************************************************************
757 _samr_SetSecurity
758 ********************************************************************/
759
760 NTSTATUS _samr_SetSecurity(pipes_struct *p,
761 struct samr_SetSecurity *r)
762 {
763 DOM_SID pol_sid;
764 uint32 acc_granted, i;
765 SEC_ACL *dacl;
766 bool ret;
767 struct samu *sampass=NULL;
768 NTSTATUS status;
769
770 if (!get_lsa_policy_samr_sid(p, r->in.handle, &pol_sid, &acc_granted, NULL))
771 return NT_STATUS_INVALID_HANDLE;
772
773 if (!(sampass = samu_new( p->mem_ctx))) {
774 DEBUG(0,("No memory!\n"));
775 return NT_STATUS_NO_MEMORY;
776 }
777
778 /* get the user record */
779 become_root();
780 ret = pdb_getsampwsid(sampass, &pol_sid);
781 unbecome_root();
782
783 if (!ret) {
784 DEBUG(4, ("User %s not found\n", sid_string_dbg(&pol_sid)));
785 TALLOC_FREE(sampass);
786 return NT_STATUS_INVALID_HANDLE;
787 }
788
789 dacl = r->in.sdbuf->sd->dacl;
790 for (i=0; i < dacl->num_aces; i++) {
791 if (sid_equal(&pol_sid, &dacl->aces[i].trustee)) {
792 ret = pdb_set_pass_can_change(sampass,
793 (dacl->aces[i].access_mask &
794 SAMR_USER_ACCESS_CHANGE_PASSWORD) ?
795 True: False);
796 break;
797 }
798 }
799
800 if (!ret) {
801 TALLOC_FREE(sampass);
802 return NT_STATUS_ACCESS_DENIED;
803 }
804
805 status = access_check_samr_function(acc_granted,
806 SAMR_USER_ACCESS_SET_ATTRIBUTES,
807 "_samr_SetSecurity");
808 if (NT_STATUS_IS_OK(status)) {
809 become_root();
810 status = pdb_update_sam_account(sampass);
811 unbecome_root();
812 }
813
814 TALLOC_FREE(sampass);
815
816 return status;
817 }
818
819 /*******************************************************************
820 build correct perms based on policies and password times for _samr_query_sec_obj
821 *******************************************************************/
822 static bool check_change_pw_access(TALLOC_CTX *mem_ctx, DOM_SID *user_sid)
823 {
824 struct samu *sampass=NULL;
825 bool ret;
826
827 if ( !(sampass = samu_new( mem_ctx )) ) {
828 DEBUG(0,("No memory!\n"));
829 return False;
830 }
831
832 become_root();
833 ret = pdb_getsampwsid(sampass, user_sid);
834 unbecome_root();
835
836 if (ret == False) {
837 DEBUG(4,("User %s not found\n", sid_string_dbg(user_sid)));
838 TALLOC_FREE(sampass);
839 return False;
840 }
841
842 DEBUG(3,("User:[%s]\n", pdb_get_username(sampass) ));
843
844 if (pdb_get_pass_can_change(sampass)) {
845 TALLOC_FREE(sampass);
846 return True;
847 }
848 TALLOC_FREE(sampass);
849 return False;
850 }
851
852
853 /*******************************************************************
854 _samr_QuerySecurity
855 ********************************************************************/
856
857 NTSTATUS _samr_QuerySecurity(pipes_struct *p,
858 struct samr_QuerySecurity *r)
859 {
860 NTSTATUS status;
861 DOM_SID pol_sid;
862 SEC_DESC * psd = NULL;
863 uint32 acc_granted;
864 size_t sd_size;
865
866 /* Get the SID. */
867 if (!get_lsa_policy_samr_sid(p, r->in.handle, &pol_sid, &acc_granted, NULL))
868 return NT_STATUS_INVALID_HANDLE;
869
870 DEBUG(10,("_samr_QuerySecurity: querying security on SID: %s\n",
871 sid_string_dbg(&pol_sid)));
872
873 status = access_check_samr_function(acc_granted,
874 STD_RIGHT_READ_CONTROL_ACCESS,
875 "_samr_QuerySecurity");
876 if (!NT_STATUS_IS_OK(status)) {
877 return status;
878 }
879
880 /* Check what typ of SID is beeing queried (e.g Domain SID, User SID, Group SID) */
881
882 /* To query the security of the SAM it self an invalid SID with S-0-0 is passed to this function */
883 if (pol_sid.sid_rev_num == 0) {
884 DEBUG(5,("_samr_QuerySecurity: querying security on SAM\n"));
885 status = make_samr_object_sd(p->mem_ctx, &psd, &sd_size, &sam_generic_mapping, NULL, 0);
886 } else if (sid_equal(&pol_sid,get_global_sam_sid())) {
887 /* check if it is our domain SID */
888 DEBUG(5,("_samr_QuerySecurity: querying security on Domain "
889 "with SID: %s\n", sid_string_dbg(&pol_sid)));
890 status = make_samr_object_sd(p->mem_ctx, &psd, &sd_size, &dom_generic_mapping, NULL, 0);
891 } else if (sid_equal(&pol_sid,&global_sid_Builtin)) {
892 /* check if it is the Builtin Domain */
893 /* TODO: Builtin probably needs a different SD with restricted write access*/
894 DEBUG(5,("_samr_QuerySecurity: querying security on Builtin "
895 "Domain with SID: %s\n", sid_string_dbg(&pol_sid)));
896 status = make_samr_object_sd(p->mem_ctx, &psd, &sd_size, &dom_generic_mapping, NULL, 0);
897 } else if (sid_check_is_in_our_domain(&pol_sid) ||
898 sid_check_is_in_builtin(&pol_sid)) {
899 /* TODO: different SDs have to be generated for aliases groups and users.
900 Currently all three get a default user SD */
901 DEBUG(10,("_samr_QuerySecurity: querying security on Object "
902 "with SID: %s\n", sid_string_dbg(&pol_sid)));
903 if (check_change_pw_access(p->mem_ctx, &pol_sid)) {
904 status = make_samr_object_sd(p->mem_ctx, &psd, &sd_size, &usr_generic_mapping,
905 &pol_sid, SAMR_USR_RIGHTS_WRITE_PW);
906 } else {
907 status = make_samr_object_sd(p->mem_ctx, &psd, &sd_size, &usr_nopwchange_generic_mapping,
908 &pol_sid, SAMR_USR_RIGHTS_CANT_WRITE_PW);
909 }
910 } else {
911 return NT_STATUS_OBJECT_TYPE_MISMATCH;
912 }
913
914 if ((*r->out.sdbuf = make_sec_desc_buf(p->mem_ctx, sd_size, psd)) == NULL)
915 return NT_STATUS_NO_MEMORY;
916
917 return status;
918 }
919
920 /*******************************************************************
921 makes a SAM_ENTRY / UNISTR2* structure from a user list.
922 ********************************************************************/
923
924 static NTSTATUS make_user_sam_entry_list(TALLOC_CTX *ctx,
925 struct samr_SamEntry **sam_pp,
926 uint32_t num_entries,
927 uint32_t start_idx,
928 struct samr_displayentry *entries)
929 {
930 uint32_t i;
931 struct samr_SamEntry *sam;
932
933 *sam_pp = NULL;
934
935 if (num_entries == 0) {
936 return NT_STATUS_OK;
937 }
938
939 sam = TALLOC_ZERO_ARRAY(ctx, struct samr_SamEntry, num_entries);
940 if (sam == NULL) {
941 DEBUG(0, ("make_user_sam_entry_list: TALLOC_ZERO failed!\n"));
942 return NT_STATUS_NO_MEMORY;
943 }
944
945 for (i = 0; i < num_entries; i++) {
946 #if 0
947 /*
948 * usrmgr expects a non-NULL terminated string with
949 * trust relationships
950 */
951 if (entries[i].acct_flags & ACB_DOMTRUST) {
952 init_unistr2(&uni_temp_name, entries[i].account_name,
953 UNI_FLAGS_NONE);
954 } else {
955 init_unistr2(&uni_temp_name, entries[i].account_name,
956 UNI_STR_TERMINATE);
957 }
958 #endif
959 init_lsa_String(&sam[i].name, entries[i].account_name);
960 sam[i].idx = entries[i].rid;
961 }
962
963 *sam_pp = sam;
964
965 return NT_STATUS_OK;
966 }
967
968 #define MAX_SAM_ENTRIES MAX_SAM_ENTRIES_W2K
969
970 /*******************************************************************
971 _samr_EnumDomainUsers
972 ********************************************************************/
973
974 NTSTATUS _samr_EnumDomainUsers(pipes_struct *p,
975 struct samr_EnumDomainUsers *r)
976 {
977 NTSTATUS status;
978 struct samr_info *info = NULL;
979 int num_account;
980 uint32 enum_context = *r->in.resume_handle;
981 enum remote_arch_types ra_type = get_remote_arch();
982 int max_sam_entries = (ra_type == RA_WIN95) ? MAX_SAM_ENTRIES_W95 : MAX_SAM_ENTRIES_W2K;
983 uint32 max_entries = max_sam_entries;
984 struct samr_displayentry *entries = NULL;
985 struct samr_SamArray *samr_array = NULL;
986 struct samr_SamEntry *samr_entries = NULL;
987
988 /* find the policy handle. open a policy on it. */
989 if (!find_policy_by_hnd(p, r->in.domain_handle, (void **)(void *)&info))
990 return NT_STATUS_INVALID_HANDLE;
991
992 status = access_check_samr_function(info->acc_granted,
993 SAMR_DOMAIN_ACCESS_ENUM_ACCOUNTS,
994 "_samr_EnumDomainUsers");
995 if (!NT_STATUS_IS_OK(status)) {
996 return status;
997 }
998
999 DEBUG(5,("_samr_EnumDomainUsers: %d\n", __LINE__));
1000
1001 if (info->builtin_domain) {
1002 /* No users in builtin. */
1003 *r->out.resume_handle = *r->in.resume_handle;
1004 DEBUG(5,("_samr_EnumDomainUsers: No users in BUILTIN\n"));
1005 return status;
1006 }
1007
1008 samr_array = TALLOC_ZERO_P(p->mem_ctx, struct samr_SamArray);
1009 if (!samr_array) {
1010 return NT_STATUS_NO_MEMORY;
1011 }
1012
1013 become_root();
1014
1015 /* AS ROOT !!!! */
1016
1017 if ((info->disp_info->enum_users != NULL) &&
1018 (info->disp_info->enum_acb_mask != r->in.acct_flags)) {
1019 pdb_search_destroy(info->disp_info->enum_users);
1020 info->disp_info->enum_users = NULL;
1021 }
1022
1023 if (info->disp_info->enum_users == NULL) {
1024 info->disp_info->enum_users = pdb_search_users(r->in.acct_flags);
1025 info->disp_info->enum_acb_mask = r->in.acct_flags;
1026 }
1027
1028 if (info->disp_info->enum_users == NULL) {
1029 /* END AS ROOT !!!! */
1030 unbecome_root();
1031 return NT_STATUS_ACCESS_DENIED;
1032 }
1033
1034 num_account = pdb_search_entries(info->disp_info->enum_users,
1035 enum_context, max_entries,
1036 &entries);
1037
1038 /* END AS ROOT !!!! */
1039
1040 unbecome_root();
1041
1042 if (num_account == 0) {
1043 DEBUG(5, ("_samr_EnumDomainUsers: enumeration handle over "
1044 "total entries\n"));
1045 *r->out.resume_handle = *r->in.resume_handle;
1046 return NT_STATUS_OK;
1047 }
1048
1049 status = make_user_sam_entry_list(p->mem_ctx, &samr_entries,
1050 num_account, enum_context,
1051 entries);
1052 if (!NT_STATUS_IS_OK(status)) {
1053 return status;
1054 }
1055
1056 if (max_entries <= num_account) {
1057 status = STATUS_MORE_ENTRIES;
1058 } else {
1059 status = NT_STATUS_OK;
1060 }
1061
1062 /* Ensure we cache this enumeration. */
1063 set_disp_info_cache_timeout(info->disp_info, DISP_INFO_CACHE_TIMEOUT);
1064
1065 DEBUG(5, ("_samr_EnumDomainUsers: %d\n", __LINE__));
1066
1067 samr_array->count = num_account;
1068 samr_array->entries = samr_entries;
1069
1070 *r->out.resume_handle = *r->in.resume_handle + num_account;
1071 *r->out.sam = samr_array;
1072 *r->out.num_entries = num_account;
1073
1074 DEBUG(5,("_samr_EnumDomainUsers: %d\n", __LINE__));
1075
1076 return status;
1077 }
1078
1079 /*******************************************************************
1080 makes a SAM_ENTRY / UNISTR2* structure from a group list.
1081 ********************************************************************/
1082
1083 static void make_group_sam_entry_list(TALLOC_CTX *ctx,
1084 struct samr_SamEntry **sam_pp,
1085 uint32_t num_sam_entries,
1086 struct samr_displayentry *entries)
1087 {
1088 struct samr_SamEntry *sam;
1089 uint32_t i;
1090
1091 *sam_pp = NULL;
1092
1093 if (num_sam_entries == 0) {
1094 return;
1095 }
1096
1097 sam = TALLOC_ZERO_ARRAY(ctx, struct samr_SamEntry, num_sam_entries);
1098 if (sam == NULL) {
1099 return;
1100 }
1101
1102 for (i = 0; i < num_sam_entries; i++) {
1103 /*
1104 * JRA. I think this should include the null. TNG does not.
1105 */
1106 init_lsa_String(&sam[i].name, entries[i].account_name);
1107 sam[i].idx = entries[i].rid;
1108 }
1109
1110 *sam_pp = sam;
1111 }
1112
1113 /*******************************************************************
1114 _samr_EnumDomainGroups
1115 ********************************************************************/
1116
1117 NTSTATUS _samr_EnumDomainGroups(pipes_struct *p,
1118 struct samr_EnumDomainGroups *r)
1119 {
1120 NTSTATUS status;
1121 struct samr_info *info = NULL;
1122 struct samr_displayentry *groups;
1123 uint32 num_groups;
1124 struct samr_SamArray *samr_array = NULL;
1125 struct samr_SamEntry *samr_entries = NULL;
1126
1127 /* find the policy handle. open a policy on it. */
1128 if (!find_policy_by_hnd(p, r->in.domain_handle, (void **)(void *)&info))
1129 return NT_STATUS_INVALID_HANDLE;
1130
1131 status = access_check_samr_function(info->acc_granted,
1132 SAMR_DOMAIN_ACCESS_ENUM_ACCOUNTS,
1133 "_samr_EnumDomainGroups");
1134 if (!NT_STATUS_IS_OK(status)) {
1135 return status;
1136 }
1137
1138 DEBUG(5,("_samr_EnumDomainGroups: %d\n", __LINE__));
1139
1140 if (info->builtin_domain) {
1141 /* No groups in builtin. */
1142 *r->out.resume_handle = *r->in.resume_handle;
1143 DEBUG(5,("_samr_EnumDomainGroups: No groups in BUILTIN\n"));
1144 return status;
1145 }
1146
1147 samr_array = TALLOC_ZERO_P(p->mem_ctx, struct samr_SamArray);
1148 if (!samr_array) {
1149 return NT_STATUS_NO_MEMORY;
1150 }
1151
1152 /* the domain group array is being allocated in the function below */
1153
1154 become_root();
1155
1156 if (info->disp_info->groups == NULL) {
1157 info->disp_info->groups = pdb_search_groups();
1158
1159 if (info->disp_info->groups == NULL) {
1160 unbecome_root();
1161 return NT_STATUS_ACCESS_DENIED;
1162 }
1163 }
1164
1165 num_groups = pdb_search_entries(info->disp_info->groups,
1166 *r->in.resume_handle,
1167 MAX_SAM_ENTRIES, &groups);
1168 unbecome_root();
1169
1170 /* Ensure we cache this enumeration. */
1171 set_disp_info_cache_timeout(info->disp_info, DISP_INFO_CACHE_TIMEOUT);
1172
1173 make_group_sam_entry_list(p->mem_ctx, &samr_entries,
1174 num_groups, groups);
1175
1176 samr_array->count = num_groups;
1177 samr_array->entries = samr_entries;
1178
1179 *r->out.sam = samr_array;
1180 *r->out.num_entries = num_groups;
1181 /* this was missing, IMHO:
1182 *r->out.resume_handle = num_groups + *r->in.resume_handle;
1183 */
1184
1185 DEBUG(5,("_samr_EnumDomainGroups: %d\n", __LINE__));
1186
1187 return status;
1188 }
1189
1190 /*******************************************************************
1191 _samr_EnumDomainAliases
1192 ********************************************************************/
1193
1194 NTSTATUS _samr_EnumDomainAliases(pipes_struct *p,
1195 struct samr_EnumDomainAliases *r)
1196 {
1197 NTSTATUS status;
1198 struct samr_info *info;
1199 struct samr_displayentry *aliases;
1200 uint32 num_aliases = 0;
1201 struct samr_SamArray *samr_array = NULL;
1202 struct samr_SamEntry *samr_entries = NULL;
1203
1204 /* find the policy handle. open a policy on it. */
1205 if (!find_policy_by_hnd(p, r->in.domain_handle, (void **)(void *)&info))
1206 return NT_STATUS_INVALID_HANDLE;
1207
1208 DEBUG(5,("_samr_EnumDomainAliases: sid %s\n",
1209 sid_string_dbg(&info->sid)));
1210
1211 status = access_check_samr_function(info->acc_granted,
1212 SAMR_DOMAIN_ACCESS_ENUM_ACCOUNTS,
1213 "_samr_EnumDomainAliases");
1214 if (!NT_STATUS_IS_OK(status)) {
1215 return status;
1216 }
1217
1218 samr_array = TALLOC_ZERO_P(p->mem_ctx, struct samr_SamArray);
1219 if (!samr_array) {
1220 return NT_STATUS_NO_MEMORY;
1221 }
1222
1223 become_root();
1224
1225 if (info->disp_info->aliases == NULL) {
1226 info->disp_info->aliases = pdb_search_aliases(&info->sid);
1227 if (info->disp_info->aliases == NULL) {
1228 unbecome_root();
1229 return NT_STATUS_ACCESS_DENIED;
1230 }
1231 }
1232
1233 num_aliases = pdb_search_entries(info->disp_info->aliases,
1234 *r->in.resume_handle,
1235 MAX_SAM_ENTRIES, &aliases);
1236 unbecome_root();
1237
1238 /* Ensure we cache this enumeration. */
1239 set_disp_info_cache_timeout(info->disp_info, DISP_INFO_CACHE_TIMEOUT);
1240
1241 make_group_sam_entry_list(p->mem_ctx, &samr_entries,
1242 num_aliases, aliases);
1243
1244 DEBUG(5,("_samr_EnumDomainAliases: %d\n", __LINE__));
1245
1246 samr_array->count = num_aliases;
1247 samr_array->entries = samr_entries;
1248
1249 *r->out.sam = samr_array;
1250 *r->out.num_entries = num_aliases;
1251 *r->out.resume_handle = num_aliases + *r->in.resume_handle;
1252
1253 return status;
1254 }
1255
1256 /*******************************************************************
1257 inits a samr_DispInfoGeneral structure.
1258 ********************************************************************/
1259
1260 static NTSTATUS init_samr_dispinfo_1(TALLOC_CTX *ctx,
1261 struct samr_DispInfoGeneral *r,
1262 uint32_t num_entries,
1263 uint32_t start_idx,
1264 struct samr_displayentry *entries)
1265 {
1266 uint32 i;
1267
1268 DEBUG(10, ("init_samr_dispinfo_1: num_entries: %d\n", num_entries));
1269
1270 if (num_entries == 0) {
1271 return NT_STATUS_OK;
1272 }
1273
1274 r->count = num_entries;
1275
1276 r->entries = TALLOC_ZERO_ARRAY(ctx, struct samr_DispEntryGeneral, num_entries);
1277 if (!r->entries) {
1278 return NT_STATUS_NO_MEMORY;
1279 }
1280
1281 for (i = 0; i < num_entries ; i++) {
1282
1283 init_lsa_String(&r->entries[i].account_name,
1284 entries[i].account_name);
1285
1286 init_lsa_String(&r->entries[i].description,
1287 entries[i].description);
1288
1289 init_lsa_String(&r->entries[i].full_name,
1290 entries[i].fullname);
1291
1292 r->entries[i].rid = entries[i].rid;
1293 r->entries[i].acct_flags = entries[i].acct_flags;
1294 r->entries[i].idx = start_idx+i+1;
1295 }
1296
1297 return NT_STATUS_OK;
1298 }
1299
1300 /*******************************************************************
1301 inits a samr_DispInfoFull structure.
1302 ********************************************************************/
1303
1304 static NTSTATUS init_samr_dispinfo_2(TALLOC_CTX *ctx,
1305 struct samr_DispInfoFull *r,
1306 uint32_t num_entries,
1307 uint32_t start_idx,
1308 struct samr_displayentry *entries)
1309 {
1310 uint32_t i;
1311
1312 DEBUG(10, ("init_samr_dispinfo_2: num_entries: %d\n", num_entries));
1313
1314 if (num_entries == 0) {
1315 return NT_STATUS_OK;
1316 }
1317
1318 r->count = num_entries;
1319
1320 r->entries = TALLOC_ZERO_ARRAY(ctx, struct samr_DispEntryFull, num_entries);
1321 if (!r->entries) {
1322 return NT_STATUS_NO_MEMORY;
1323 }
1324
1325 for (i = 0; i < num_entries ; i++) {
1326
1327 init_lsa_String(&r->entries[i].account_name,
1328 entries[i].account_name);
1329
1330 init_lsa_String(&r->entries[i].description,
1331 entries[i].description);
1332
1333 r->entries[i].rid = entries[i].rid;
1334 r->entries[i].acct_flags = entries[i].acct_flags;
1335 r->entries[i].idx = start_idx+i+1;
1336 }
1337
1338 return NT_STATUS_OK;
1339 }
1340
1341 /*******************************************************************
1342 inits a samr_DispInfoFullGroups structure.
1343 ********************************************************************/
1344
1345 static NTSTATUS init_samr_dispinfo_3(TALLOC_CTX *ctx,
1346 struct samr_DispInfoFullGroups *r,
1347 uint32_t num_entries,
1348 uint32_t start_idx,
1349 struct samr_displayentry *entries)
1350 {
1351 uint32_t i;
1352
1353 DEBUG(5, ("init_samr_dispinfo_3: num_entries: %d\n", num_entries));
1354
1355 if (num_entries == 0) {
1356 return NT_STATUS_OK;
1357 }
1358
1359 r->count = num_entries;
1360
1361 r->entries = TALLOC_ZERO_ARRAY(ctx, struct samr_DispEntryFullGroup, num_entries);
1362 if (!r->entries) {
1363 return NT_STATUS_NO_MEMORY;
1364 }
1365
1366 for (i = 0; i < num_entries ; i++) {
1367
1368 init_lsa_String(&r->entries[i].account_name,
1369 entries[i].account_name);
1370
1371 init_lsa_String(&r->entries[i].description,
1372 entries[i].description);
1373
1374 r->entries[i].rid = entries[i].rid;
1375 r->entries[i].acct_flags = entries[i].acct_flags;
1376 r->entries[i].idx = start_idx+i+1;
1377 }
1378
1379 return NT_STATUS_OK;
1380 }
1381
1382 /*******************************************************************
1383 inits a samr_DispInfoAscii structure.
1384 ********************************************************************/
1385
1386 static NTSTATUS init_samr_dispinfo_4(TALLOC_CTX *ctx,
1387 struct samr_DispInfoAscii *r,
1388 uint32_t num_entries,
1389 uint32_t start_idx,
1390 struct samr_displayentry *entries)
1391 {
1392 uint32_t i;
1393
1394 DEBUG(5, ("init_samr_dispinfo_4: num_entries: %d\n", num_entries));
1395
1396 if (num_entries == 0) {
1397 return NT_STATUS_OK;
1398 }
1399
1400 r->count = num_entries;
1401
1402 r->entries = TALLOC_ZERO_ARRAY(ctx, struct samr_DispEntryAscii, num_entries);
1403 if (!r->entries) {
1404 return NT_STATUS_NO_MEMORY;
1405 }
1406
1407 for (i = 0; i < num_entries ; i++) {
1408
1409 init_lsa_AsciiStringLarge(&r->entries[i].account_name,
1410 entries[i].account_name);
1411
1412 r->entries[i].idx = start_idx+i+1;
1413 }
1414
1415 return NT_STATUS_OK;
1416 }
1417
1418 /*******************************************************************
1419 inits a samr_DispInfoAscii structure.
1420 ********************************************************************/
1421
1422 static NTSTATUS init_samr_dispinfo_5(TALLOC_CTX *ctx,
1423 struct samr_DispInfoAscii *r,
1424 uint32_t num_entries,
1425 uint32_t start_idx,
1426 struct samr_displayentry *entries)
1427 {
1428 uint32_t i;
1429
1430 DEBUG(5, ("init_samr_dispinfo_5: num_entries: %d\n", num_entries));
1431
1432 if (num_entries == 0) {
1433 return NT_STATUS_OK;
1434 }
1435
1436 r->count = num_entries;
1437
1438 r->entries = TALLOC_ZERO_ARRAY(ctx, struct samr_DispEntryAscii, num_entries);
1439 if (!r->entries) {
1440 return NT_STATUS_NO_MEMORY;
1441 }
1442
1443 for (i = 0; i < num_entries ; i++) {
1444
1445 init_lsa_AsciiStringLarge(&r->entries[i].account_name,
1446 entries[i].account_name);
1447
1448 r->entries[i].idx = start_idx+i+1;
1449 }
1450
1451 return NT_STATUS_OK;
1452 }
1453
1454 /*******************************************************************
1455 _samr_QueryDisplayInfo
1456 ********************************************************************/
1457
1458 NTSTATUS _samr_QueryDisplayInfo(pipes_struct *p,
1459 struct samr_QueryDisplayInfo *r)
1460 {
1461 NTSTATUS status;
1462 struct samr_info *info = NULL;
1463 uint32 struct_size=0x20; /* W2K always reply that, client doesn't care */
1464
1465 uint32 max_entries = r->in.max_entries;
1466 uint32 enum_context = r->in.start_idx;
1467 uint32 max_size = r->in.buf_size;
1468
1469 union samr_DispInfo *disp_info = r->out.info;
1470
1471 uint32 temp_size=0, total_data_size=0;
1472 NTSTATUS disp_ret = NT_STATUS_UNSUCCESSFUL;
1473 uint32 num_account = 0;
1474 enum remote_arch_types ra_type = get_remote_arch();
1475 int max_sam_entries = (ra_type == RA_WIN95) ? MAX_SAM_ENTRIES_W95 : MAX_SAM_ENTRIES_W2K;
1476 struct samr_displayentry *entries = NULL;
1477
1478 DEBUG(5,("_samr_QueryDisplayInfo: %d\n", __LINE__));
1479
1480 /* find the policy handle. open a policy on it. */
1481 if (!find_policy_by_hnd(p, r->in.domain_handle, (void **)(void *)&info))
1482 return NT_STATUS_INVALID_HANDLE;
1483
1484 status = access_check_samr_function(info->acc_granted,
1485 SAMR_DOMAIN_ACCESS_ENUM_ACCOUNTS,
1486 "_samr_QueryDisplayInfo");
1487 if (!NT_STATUS_IS_OK(status)) {
1488 return status;
1489 }
1490
1491 /*
1492 * calculate how many entries we will return.
1493 * based on
1494 * - the number of entries the client asked
1495 * - our limit on that
1496 * - the starting point (enumeration context)
1497 * - the buffer size the client will accept
1498 */
1499
1500 /*
1501 * We are a lot more like W2K. Instead of reading the SAM
1502 * each time to find the records we need to send back,
1503 * we read it once and link that copy to the sam handle.
1504 * For large user list (over the MAX_SAM_ENTRIES)
1505 * it's a definitive win.
1506 * second point to notice: between enumerations
1507 * our sam is now the same as it's a snapshoot.
1508 * third point: got rid of the static SAM_USER_21 struct
1509 * no more intermediate.
1510 * con: it uses much more memory, as a full copy is stored
1511 * in memory.
1512 *
1513 * If you want to change it, think twice and think
1514 * of the second point , that's really important.
1515 *
1516 * JFM, 12/20/2001
1517 */
1518
1519 if ((r->in.level < 1) || (r->in.level > 5)) {
1520 DEBUG(0,("_samr_QueryDisplayInfo: Unknown info level (%u)\n",
1521 (unsigned int)r->in.level ));
1522 return NT_STATUS_INVALID_INFO_CLASS;
1523 }
1524
1525 /* first limit the number of entries we will return */
1526 if(max_entries > max_sam_entries) {
1527 DEBUG(5, ("_samr_QueryDisplayInfo: client requested %d "
1528 "entries, limiting to %d\n", max_entries,
1529 max_sam_entries));
1530 max_entries = max_sam_entries;
1531 }
1532
1533 /* calculate the size and limit on the number of entries we will
1534 * return */
1535
1536 temp_size=max_entries*struct_size;
1537
1538 if (temp_size>max_size) {
1539 max_entries=MIN((max_size/struct_size),max_entries);;
1540 DEBUG(5, ("_samr_QueryDisplayInfo: buffer size limits to "
1541 "only %d entries\n", max_entries));
1542 }
1543
1544 become_root();
1545
1546 /* THe following done as ROOT. Don't return without unbecome_root(). */
1547
1548 switch (r->in.level) {
1549 case 0x1:
1550 case 0x4:
1551 if (info->disp_info->users == NULL) {
1552 info->disp_info->users = pdb_search_users(ACB_NORMAL);
1553 if (info->disp_info->users == NULL) {
1554 unbecome_root();
1555 return NT_STATUS_ACCESS_DENIED;
1556 }
1557 DEBUG(10,("_samr_QueryDisplayInfo: starting user enumeration at index %u\n",
1558 (unsigned int)enum_context ));
1559 } else {
1560 DEBUG(10,("_samr_QueryDisplayInfo: using cached user enumeration at index %u\n",
1561 (unsigned int)enum_context ));
1562 }
1563
1564 num_account = pdb_search_entries(info->disp_info->users,
1565 enum_context, max_entries,
1566 &entries);
1567 break;
1568 case 0x2:
1569 if (info->disp_info->machines == NULL) {
1570 info->disp_info->machines =
1571 pdb_search_users(ACB_WSTRUST|ACB_SVRTRUST);
1572 if (info->disp_info->machines == NULL) {
1573 unbecome_root();
1574 return NT_STATUS_ACCESS_DENIED;
1575 }
1576 DEBUG(10,("_samr_QueryDisplayInfo: starting machine enumeration at index %u\n",
1577 (unsigned int)enum_context ));
1578 } else {
1579 DEBUG(10,("_samr_QueryDisplayInfo: using cached machine enumeration at index %u\n",
1580 (unsigned int)enum_context ));
1581 }
1582
1583 num_account = pdb_search_entries(info->disp_info->machines,
1584 enum_context, max_entries,
1585 &entries);
1586 break;
1587 case 0x3:
1588 case 0x5:
1589 if (info->disp_info->groups == NULL) {
1590 info->disp_info->groups = pdb_search_groups();
1591 if (info->disp_info->groups == NULL) {
1592 unbecome_root();
1593 return NT_STATUS_ACCESS_DENIED;
1594 }
1595 DEBUG(10,("_samr_QueryDisplayInfo: starting group enumeration at index %u\n",
1596 (unsigned int)enum_context ));
1597 } else {
1598 DEBUG(10,("_samr_QueryDisplayInfo: using cached group enumeration at index %u\n",
1599 (unsigned int)enum_context ));
1600 }
1601
1602 num_account = pdb_search_entries(info->disp_info->groups,
1603 enum_context, max_entries,
1604 &entries);
1605 break;
1606 default:
1607 unbecome_root();
1608 smb_panic("info class changed");
1609 break;
1610 }
1611 unbecome_root();
1612
1613
1614 /* Now create reply structure */
1615 switch (r->in.level) {
1616 case 0x1:
1617 disp_ret = init_samr_dispinfo_1(p->mem_ctx, &disp_info->info1,
1618 num_account, enum_context,
1619 entries);
1620 break;
1621 case 0x2:
1622 disp_ret = init_samr_dispinfo_2(p->mem_ctx, &disp_info->info2,
1623 num_account, enum_context,
1624 entries);
1625 break;
1626 case 0x3:
1627 disp_ret = init_samr_dispinfo_3(p->mem_ctx, &disp_info->info3,
1628 num_account, enum_context,
1629 entries);
1630 break;
1631 case 0x4:
1632 disp_ret = init_samr_dispinfo_4(p->mem_ctx, &disp_info->info4,
1633 num_account, enum_context,
1634 entries);
1635 break;
1636 case 0x5:
1637 disp_ret = init_samr_dispinfo_5(p->mem_ctx, &disp_info->info5,
1638 num_account, enum_context,
1639 entries);
1640 break;
1641 default:
1642 smb_panic("info class changed");
1643 break;
1644 }
1645
1646 if (!NT_STATUS_IS_OK(disp_ret))
1647 return disp_ret;
1648
1649 /* calculate the total size */
1650 total_data_size=num_account*struct_size;
1651
1652 if (max_entries <= num_account) {
1653 status = STATUS_MORE_ENTRIES;
1654 } else {
1655 status = NT_STATUS_OK;
1656 }
1657
1658 /* Ensure we cache this enumeration. */
1659 set_disp_info_cache_timeout(info->disp_info, DISP_INFO_CACHE_TIMEOUT);
1660
1661 DEBUG(5, ("_samr_QueryDisplayInfo: %d\n", __LINE__));
1662
1663 *r->out.total_size = total_data_size;
1664 *r->out.returned_size = temp_size;
1665
1666 return status;
1667 }
1668
1669 /****************************************************************
1670 _samr_QueryDisplayInfo2
1671 ****************************************************************/
1672
1673 NTSTATUS _samr_QueryDisplayInfo2(pipes_struct *p,
1674 struct samr_QueryDisplayInfo2 *r)
1675 {
1676 struct samr_QueryDisplayInfo q;
1677
1678 q.in.domain_handle = r->in.domain_handle;
1679 q.in.level = r->in.level;
1680 q.in.start_idx = r->in.start_idx;
1681 q.in.max_entries = r->in.max_entries;
1682 q.in.buf_size = r->in.buf_size;
1683
1684 q.out.total_size = r->out.total_size;
1685 q.out.returned_size = r->out.returned_size;
1686 q.out.info = r->out.info;
1687
1688 return _samr_QueryDisplayInfo(p, &q);
1689 }
1690
1691 /****************************************************************
1692 _samr_QueryDisplayInfo3
1693 ****************************************************************/
1694
1695 NTSTATUS _samr_QueryDisplayInfo3(pipes_struct *p,
1696 struct samr_QueryDisplayInfo3 *r)
1697 {
1698 struct samr_QueryDisplayInfo q;
1699
1700 q.in.domain_handle = r->in.domain_handle;
1701 q.in.level = r->in.level;
1702 q.in.start_idx = r->in.start_idx;
1703 q.in.max_entries = r->in.max_entries;
1704 q.in.buf_size = r->in.buf_size;
1705
1706 q.out.total_size = r->out.total_size;
1707 q.out.returned_size = r->out.returned_size;
1708 q.out.info = r->out.info;
1709
1710 return _samr_QueryDisplayInfo(p, &q);
1711 }
1712
1713 /*******************************************************************
1714 _samr_QueryAliasInfo
1715 ********************************************************************/
1716
1717 NTSTATUS _samr_QueryAliasInfo(pipes_struct *p,
1718 struct samr_QueryAliasInfo *r)
1719 {
1720 DOM_SID sid;
1721 struct acct_info info;
1722 uint32 acc_granted;
1723 NTSTATUS status;
1724 union samr_AliasInfo *alias_info = NULL;
1725 const char *alias_name = NULL;
1726 const char *alias_description = NULL;
1727
1728 DEBUG(5,("_samr_QueryAliasInfo: %d\n", __LINE__));
1729
1730 alias_info = TALLOC_ZERO_P(p->mem_ctx, union samr_AliasInfo);
1731 if (!alias_info) {
1732 return NT_STATUS_NO_MEMORY;
1733 }
1734
1735 /* find the policy handle. open a policy on it. */
1736 if (!get_lsa_policy_samr_sid(p, r->in.alias_handle, &sid, &acc_granted, NULL))
1737 return NT_STATUS_INVALID_HANDLE;
1738
1739 status = access_check_samr_function(acc_granted,
1740 SAMR_ALIAS_ACCESS_LOOKUP_INFO,
1741 "_samr_QueryAliasInfo");
1742 if (!NT_STATUS_IS_OK(status)) {
1743 return status;
1744 }
1745
1746 become_root();
1747 status = pdb_get_aliasinfo(&sid, &info);
1748 unbecome_root();
1749
1750 if ( !NT_STATUS_IS_OK(status))
1751 return status;
1752
1753 /* FIXME: info contains fstrings */
1754 alias_name = talloc_strdup(r, info.acct_name);
1755 alias_description = talloc_strdup(r, info.acct_desc);
1756
1757 switch (r->in.level) {
1758 case ALIASINFOALL:
1759 init_samr_alias_info1(&alias_info->all,
1760 alias_name,
1761 1,
1762 alias_description);
1763 break;
1764 case ALIASINFODESCRIPTION:
1765 init_samr_alias_info3(&alias_info->description,
1766 alias_description);
1767 break;
1768 default:
1769 return NT_STATUS_INVALID_INFO_CLASS;
1770 }
1771
1772 *r->out.info = alias_info;
1773
1774 DEBUG(5,("_samr_QueryAliasInfo: %d\n", __LINE__));
1775
1776 return NT_STATUS_OK;
1777 }
1778
1779 #if 0
1780 /*******************************************************************
1781 samr_reply_lookup_ids
1782 ********************************************************************/
1783
1784 uint32 _samr_lookup_ids(pipes_struct *p, SAMR_Q_LOOKUP_IDS *q_u, SAMR_R_LOOKUP_IDS *r_u)
1785 {
1786 uint32 rid[MAX_SAM_ENTRIES];
1787 int num_rids = q_u->num_sids1;
1788
1789 r_u->status = NT_STATUS_OK;
1790
1791 DEBUG(5,("_samr_lookup_ids: %d\n", __LINE__));
1792
1793 if (num_rids > MAX_SAM_ENTRIES) {
1794 num_rids = MAX_SAM_ENTRIES;
1795 DEBUG(5,("_samr_lookup_ids: truncating entries to %d\n", num_rids));
1796 }
1797
1798 #if 0
1799 int i;
1800 SMB_ASSERT_ARRAY(q_u->uni_user_name, num_rids);
1801
1802 for (i = 0; i < num_rids && status == 0; i++)
1803 {
1804 struct sam_passwd *sam_pass;
1805 fstring user_name;
1806
1807
1808 fstrcpy(user_name, unistrn2(q_u->uni_user_name[i].buffer,
1809 q_u->uni_user_name[i].uni_str_len));
1810
1811 /* find the user account */
1812 become_root();
1813 sam_pass = get_smb21pwd_entry(user_name, 0);
1814 unbecome_root();
1815
1816 if (sam_pass == NULL)
1817 {
1818 status = 0xC0000000 | NT_STATUS_NO_SUCH_USER;
1819 rid[i] = 0;
1820 }
1821 else
1822 {
1823 rid[i] = sam_pass->user_rid;
1824 }
1825 }
1826 #endif
1827
1828 num_rids = 1;
1829 rid[0] = BUILTIN_ALIAS_RID_USERS;
1830
1831 init_samr_r_lookup_ids(&r_u, num_rids, rid, NT_STATUS_OK);
1832
1833 DEBUG(5,("_samr_lookup_ids: %d\n", __LINE__));
1834
1835 return r_u->status;
1836 }
1837 #endif
1838
1839 /*******************************************************************
1840 _samr_LookupNames
1841 ********************************************************************/
1842
1843 NTSTATUS _samr_LookupNames(pipes_struct *p,
1844 struct samr_LookupNames *r)
1845 {
1846 NTSTATUS status;
1847 uint32 *rid;
1848 enum lsa_SidType *type;
1849 int i;
1850 int num_rids = r->in.num_names;
1851 DOM_SID pol_sid;
1852 uint32 acc_granted;
1853 struct samr_Ids rids, types;
1854 uint32_t num_mapped = 0;
1855
1856 DEBUG(5,("_samr_LookupNames: %d\n", __LINE__));
1857
1858 if (!get_lsa_policy_samr_sid(p, r->in.domain_handle, &pol_sid, &acc_granted, NULL)) {
1859 return NT_STATUS_OBJECT_TYPE_MISMATCH;
1860 }
1861
1862 status = access_check_samr_function(acc_granted,
1863 0, /* Don't know the acc_bits yet */
1864 "_samr_LookupNames");
1865 if (!NT_STATUS_IS_OK(status)) {
1866 return status;
1867 }
1868
1869 if (num_rids > MAX_SAM_ENTRIES) {
1870 num_rids = MAX_SAM_ENTRIES;
1871 DEBUG(5,("_samr_LookupNames: truncating entries to %d\n", num_rids));
1872 }
1873
1874 rid = talloc_array(p->mem_ctx, uint32, num_rids);
1875 NT_STATUS_HAVE_NO_MEMORY(rid);
1876
1877 type = talloc_array(p->mem_ctx, enum lsa_SidType, num_rids);
1878 NT_STATUS_HAVE_NO_MEMORY(type);
1879
1880 DEBUG(5,("_samr_LookupNames: looking name on SID %s\n",
1881 sid_string_dbg(&pol_sid)));
1882
1883 for (i = 0; i < num_rids; i++) {
1884
1885 status = NT_STATUS_NONE_MAPPED;
1886 type[i] = SID_NAME_UNKNOWN;
1887
1888 rid[i] = 0xffffffff;
1889
1890 if (sid_check_is_builtin(&pol_sid)) {
1891 if (lookup_builtin_name(r->in.names[i].string,
1892 &rid[i]))
1893 {
1894 type[i] = SID_NAME_ALIAS;
1895 }
1896 } else {
1897 lookup_global_sam_name(r->in.names[i].string, 0,
1898 &rid[i], &type[i]);
1899 }
1900
1901 if (type[i] != SID_NAME_UNKNOWN) {
1902 num_mapped++;
1903 }
1904 }
1905
1906 if (num_mapped == num_rids) {
1907 status = NT_STATUS_OK;
1908 } else if (num_mapped == 0) {
1909 status = NT_STATUS_NONE_MAPPED;
1910 } else {
1911 status = STATUS_SOME_UNMAPPED;
1912 }
1913
1914 rids.count = num_rids;
1915 rids.ids = rid;
1916
1917 types.count = num_rids;
1918 types.ids = type;
1919
1920 *r->out.rids = rids;
1921 *r->out.types = types;
1922
1923 DEBUG(5,("_samr_LookupNames: %d\n", __LINE__));
1924
1925 return status;
1926 }
1927
1928 /*******************************************************************
1929 _samr_ChangePasswordUser2
1930 ********************************************************************/
1931
1932 NTSTATUS _samr_ChangePasswordUser2(pipes_struct *p,
1933 struct samr_ChangePasswordUser2 *r)
1934 {
1935 NTSTATUS status;
1936 fstring user_name;
1937 fstring wks;
1938
1939 DEBUG(5,("_samr_ChangePasswordUser2: %d\n", __LINE__));
1940
1941 fstrcpy(user_name, r->in.account->string);
1942 fstrcpy(wks, r->in.server->string);
1943
1944 DEBUG(5,("_samr_ChangePasswordUser2: user: %s wks: %s\n", user_name, wks));
1945
1946 /*
1947 * Pass the user through the NT -> unix user mapping
1948 * function.
1949 */
1950
1951 (void)map_username(user_name);
1952
1953 /*
1954 * UNIX username case mangling not required, pass_oem_change
1955 * is case insensitive.
1956 */
1957
1958 status = pass_oem_change(user_name,
1959 r->in.lm_password->data,
1960 r->in.lm_verifier->hash,
1961 r->in.nt_password->data,
1962 r->in.nt_verifier->hash,
1963 NULL);
1964
1965 DEBUG(5,("_samr_ChangePasswordUser2: %d\n", __LINE__));
1966
1967 return status;
1968 }
1969
1970 /*******************************************************************
1971 _samr_ChangePasswordUser3
1972 ********************************************************************/
1973
1974 NTSTATUS _samr_ChangePasswordUser3(pipes_struct *p,
1975 struct samr_ChangePasswordUser3 *r)
1976 {
1977 NTSTATUS status;
1978 fstring user_name;
1979 const char *wks = NULL;
1980 uint32 reject_reason;
1981 struct samr_DomInfo1 *dominfo = NULL;
1982 struct samr_ChangeReject *reject = NULL;
1983
1984 DEBUG(5,("_samr_ChangePasswordUser3: %d\n", __LINE__));
1985
1986 fstrcpy(user_name, r->in.account->string);
1987 if (r->in.server && r->in.server->string) {
1988 wks = r->in.server->string;
1989 }
1990
1991 DEBUG(5,("_samr_ChangePasswordUser3: user: %s wks: %s\n", user_name, wks));
1992
1993 /*
1994 * Pass the user through the NT -> unix user mapping
1995 * function.
1996 */
1997
1998 (void)map_username(user_name);
1999
2000 /*
2001 * UNIX username case mangling not required, pass_oem_change
2002 * is case insensitive.
2003 */
2004
2005 status = pass_oem_change(user_name,
2006 r->in.lm_password->data,
2007 r->in.lm_verifier->hash,
2008 r->in.nt_password->data,
2009 r->in.nt_verifier->hash,
2010 &reject_reason);
2011
2012 if (NT_STATUS_EQUAL(status, NT_STATUS_PASSWORD_RESTRICTION) ||
2013 NT_STATUS_EQUAL(status, NT_STATUS_ACCOUNT_RESTRICTION)) {
2014
2015 uint32 min_pass_len,pass_hist,password_properties;
2016 time_t u_expire, u_min_age;
2017 NTTIME nt_expire, nt_min_age;
2018 uint32 account_policy_temp;
2019
2020 dominfo = TALLOC_ZERO_P(p->mem_ctx, struct samr_DomInfo1);
2021 if (!dominfo) {
2022 return NT_STATUS_NO_MEMORY;
2023 }
2024
2025 reject = TALLOC_ZERO_P(p->mem_ctx, struct samr_ChangeReject);
2026 if (!reject) {
2027 return NT_STATUS_NO_MEMORY;
2028 }
2029
2030 become_root();
2031
2032 /* AS ROOT !!! */
2033
2034 pdb_get_account_policy(AP_MIN_PASSWORD_LEN, &account_policy_temp);
2035 min_pass_len = account_policy_temp;
2036
2037 pdb_get_account_policy(AP_PASSWORD_HISTORY, &account_policy_temp);
2038 pass_hist = account_policy_temp;
2039
2040 pdb_get_account_policy(AP_USER_MUST_LOGON_TO_CHG_PASS, &account_policy_temp);
2041 password_properties = account_policy_temp;
2042
2043 pdb_get_account_policy(AP_MAX_PASSWORD_AGE, &account_policy_temp);
2044 u_expire = account_policy_temp;
2045
2046 pdb_get_account_policy(AP_MIN_PASSWORD_AGE, &account_policy_temp);
2047 u_min_age = account_policy_temp;
2048
2049 /* !AS ROOT */
2050
2051 unbecome_root();
2052
2053 unix_to_nt_time_abs(&nt_expire, u_expire);
2054 unix_to_nt_time_abs(&nt_min_age, u_min_age);
2055
2056 if (lp_check_password_script() && *lp_check_password_script()) {
2057 password_properties |= DOMAIN_PASSWORD_COMPLEX;
2058 }
2059
2060 init_samr_DomInfo1(dominfo,
2061 min_pass_len,
2062 pass_hist,
2063 password_properties,
2064 u_expire,
2065 u_min_age);
2066
2067 reject->reason = reject_reason;
2068
2069 *r->out.dominfo = dominfo;
2070 *r->out.reject = reject;
2071 }
2072
2073 DEBUG(5,("_samr_ChangePasswordUser3: %d\n", __LINE__));
2074
2075 return status;
2076 }
2077
2078 /*******************************************************************
2079 makes a SAMR_R_LOOKUP_RIDS structure.
2080 ********************************************************************/
2081
2082 static bool make_samr_lookup_rids(TALLOC_CTX *ctx, uint32 num_names,
2083 const char **names,
2084 struct lsa_String **lsa_name_array_p)
2085 {
2086 struct lsa_String *lsa_name_array = NULL;
2087 uint32_t i;
2088
2089 *lsa_name_array_p = NULL;
2090
2091 if (num_names != 0) {
2092 lsa_name_array = TALLOC_ZERO_ARRAY(ctx, struct lsa_String, num_names);
2093 if (!lsa_name_array) {
2094 return false;
2095 }
2096 }
2097
2098 for (i = 0; i < num_names; i++) {
2099 DEBUG(10, ("names[%d]:%s\n", i, names[i] && *names[i] ? names[i] : ""));
2100 init_lsa_String(&lsa_name_array[i], names[i]);
2101 }
2102
2103 *lsa_name_array_p = lsa_name_array;
2104
2105 return true;
2106 }
2107
2108 /*******************************************************************
2109 _samr_LookupRids
2110 ********************************************************************/
2111
2112 NTSTATUS _samr_LookupRids(pipes_struct *p,
2113 struct samr_LookupRids *r)
2114 {
2115 NTSTATUS status;
2116 const char **names;
2117 enum lsa_SidType *attrs = NULL;
2118 uint32 *wire_attrs = NULL;
2119 DOM_SID pol_sid;
2120 int num_rids = (int)r->in.num_rids;
2121 uint32 acc_granted;
2122 int i;
2123 struct lsa_Strings names_array;
2124 struct samr_Ids types_array;
2125 struct lsa_String *lsa_names = NULL;
2126
2127 DEBUG(5,("_samr_LookupRids: %d\n", __LINE__));
2128
2129 /* find the policy handle. open a policy on it. */
2130 if (!get_lsa_policy_samr_sid(p, r->in.domain_handle, &pol_sid, &acc_granted, NULL))
2131 return NT_STATUS_INVALID_HANDLE;
2132
2133 status = access_check_samr_function(acc_granted,
2134 SAMR_DOMAIN_ACCESS_ENUM_ACCOUNTS,
2135 "_samr_LookupRids");
2136 if (!NT_STATUS_IS_OK(status)) {
2137 return status;
2138 }
2139
2140 if (num_rids > 1000) {
2141 DEBUG(0, ("Got asked for %d rids (more than 1000) -- according "
2142 "to samba4 idl this is not possible\n", num_rids));
2143 return NT_STATUS_UNSUCCESSFUL;
2144 }
2145
2146 if (num_rids) {
2147 names = TALLOC_ZERO_ARRAY(p->mem_ctx, const char *, num_rids);
2148 attrs = TALLOC_ZERO_ARRAY(p->mem_ctx, enum lsa_SidType, num_rids);
2149 wire_attrs = TALLOC_ZERO_ARRAY(p->mem_ctx, uint32, num_rids);
2150
2151 if ((names == NULL) || (attrs == NULL) || (wire_attrs==NULL))
2152 return NT_STATUS_NO_MEMORY;
2153 } else {
2154 names = NULL;
2155 attrs = NULL;
2156 wire_attrs = NULL;
2157 }
2158
2159 become_root(); /* lookup_sid can require root privs */
2160 status = pdb_lookup_rids(&pol_sid, num_rids, r->in.rids,
2161 names, attrs);
2162 unbecome_root();
2163
2164 if (NT_STATUS_EQUAL(status, NT_STATUS_NONE_MAPPED) && (num_rids == 0)) {
2165 status = NT_STATUS_OK;
2166 }
2167
2168 if (!make_samr_lookup_rids(p->mem_ctx, num_rids, names,
2169 &lsa_names)) {
2170 return NT_STATUS_NO_MEMORY;
2171 }
2172
2173 /* Convert from enum lsa_SidType to uint32 for wire format. */
2174 for (i = 0; i < num_rids; i++) {
2175 wire_attrs[i] = (uint32)attrs[i];
2176 }
2177
2178 names_array.count = num_rids;
2179 names_array.names = lsa_names;
2180
2181 types_array.count = num_rids;
2182 types_array.ids = wire_attrs;
2183
2184 *r->out.names = names_array;
2185 *r->out.types = types_array;
2186
2187 DEBUG(5,("_samr_LookupRids: %d\n", __LINE__));
2188
2189 return status;
2190 }
2191
2192 /*******************************************************************
2193 _samr_OpenUser
2194 ********************************************************************/
2195
2196 NTSTATUS _samr_OpenUser(pipes_struct *p,
2197 struct samr_OpenUser *r)
2198 {
2199 struct samu *sampass=NULL;
2200 DOM_SID sid;
2201 POLICY_HND domain_pol = *r->in.domain_handle;
2202 POLICY_HND *user_pol = r->out.user_handle;
2203 struct samr_info *info = NULL;
2204 SEC_DESC *psd = NULL;
2205 uint32 acc_granted;
2206 uint32 des_access = r->in.access_mask;
2207 size_t sd_size;
2208 bool ret;
2209 NTSTATUS nt_status;
2210 SE_PRIV se_rights;
2211
2212 /* find the domain policy handle and get domain SID / access bits in the domain policy. */
2213
2214 if ( !get_lsa_policy_samr_sid(p, &domain_pol, &sid, &acc_granted, NULL) )
2215 return NT_STATUS_INVALID_HANDLE;
2216
2217 nt_status = access_check_samr_function(acc_granted,
2218 SAMR_DOMAIN_ACCESS_OPEN_ACCOUNT,
2219 "_samr_OpenUser" );
2220
2221 if ( !NT_STATUS_IS_OK(nt_status) )
2222 return nt_status;
2223
2224 if ( !(sampass = samu_new( p->mem_ctx )) ) {
2225 return NT_STATUS_NO_MEMORY;
2226 }
2227
2228 /* append the user's RID to it */
2229
2230 if (!sid_append_rid(&sid, r->in.rid))
2231 return NT_STATUS_NO_SUCH_USER;
2232
2233 /* check if access can be granted as requested by client. */
2234
2235 map_max_allowed_access(p->pipe_user.nt_user_token, &des_access);
2236
2237 make_samr_object_sd(p->mem_ctx, &psd, &sd_size, &usr_generic_mapping, &sid, SAMR_USR_RIGHTS_WRITE_PW);
2238 se_map_generic(&des_access, &usr_generic_mapping);
2239
2240 se_priv_copy( &se_rights, &se_machine_account );
2241 se_priv_add( &se_rights, &se_add_users );
2242
2243 nt_status = access_check_samr_object(psd, p->pipe_user.nt_user_token,
2244 &se_rights, GENERIC_RIGHTS_USER_WRITE, des_access,
2245 &acc_granted, "_samr_OpenUser");
2246
2247 if ( !NT_STATUS_IS_OK(nt_status) )
2248 return nt_status;
2249
2250 become_root();
2251 ret=pdb_getsampwsid(sampass, &sid);
2252 unbecome_root();
2253
2254 /* check that the SID exists in our domain. */
2255 if (ret == False) {
2256 return NT_STATUS_NO_SUCH_USER;
2257 }
2258
2259 TALLOC_FREE(sampass);
2260
2261 /* associate the user's SID and access bits with the new handle. */
2262 if ((info = get_samr_info_by_sid(&sid)) == NULL)
2263 return NT_STATUS_NO_MEMORY;
2264 info->acc_granted = acc_granted;
2265
2266 /* get a (unique) handle. open a policy on it. */
2267 if (!create_policy_hnd(p, user_pol, free_samr_info, (void *)info))
2268 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
2269
2270 return NT_STATUS_OK;
2271 }
2272
2273 /*************************************************************************
2274 *************************************************************************/
2275
2276 static NTSTATUS init_samr_parameters_string(TALLOC_CTX *mem_ctx,
2277 DATA_BLOB *blob,
2278 struct lsa_BinaryString **_r)
2279 {
2280 struct lsa_BinaryString *r;
2281
2282 if (!blob || !_r) {
2283 return NT_STATUS_INVALID_PARAMETER;
2284 }
2285
2286 r = TALLOC_ZERO_P(mem_ctx, struct lsa_BinaryString);
2287 if (!r) {
2288 return NT_STATUS_NO_MEMORY;
2289 }
2290
2291 r->array = TALLOC_ZERO_ARRAY(mem_ctx, uint16_t, blob->length/2);
2292 if (!r->array) {
2293 return NT_STATUS_NO_MEMORY;
2294 }
2295 memcpy(r->array, blob->data, blob->length);
2296 r->size = blob->length;
2297 r->length = blob->length;
2298
2299 if (!r->array) {
2300 return NT_STATUS_NO_MEMORY;
2301 }
2302
2303 *_r = r;
2304
2305 return NT_STATUS_OK;
2306 }
2307
2308 /*************************************************************************
2309 get_user_info_7. Safe. Only gives out account_name.
2310 *************************************************************************/
2311
2312 static NTSTATUS get_user_info_7(TALLOC_CTX *mem_ctx,
2313 struct samr_UserInfo7 *r,
2314 DOM_SID *user_sid)
2315 {
2316 struct samu *smbpass=NULL;
2317 bool ret;
2318 const char *account_name = NULL;
2319
2320 ZERO_STRUCTP(r);
2321
2322 if ( !(smbpass = samu_new( mem_ctx )) ) {
2323 return NT_STATUS_NO_MEMORY;
2324 }
2325
2326 become_root();
2327 ret = pdb_getsampwsid(smbpass, user_sid);
2328 unbecome_root();
2329
2330 if ( !ret ) {
2331 DEBUG(4,("User %s not found\n", sid_string_dbg(user_sid)));
2332 return NT_STATUS_NO_SUCH_USER;
2333 }
2334
2335 account_name = talloc_strdup(mem_ctx, pdb_get_username(smbpass));
2336 if (!account_name) {
2337 TALLOC_FREE(smbpass);
2338 return NT_STATUS_NO_MEMORY;
2339 }
2340 TALLOC_FREE(smbpass);
2341
2342 DEBUG(3,("User:[%s]\n", account_name));
2343
2344 init_samr_user_info7(r, account_name);
2345
2346 return NT_STATUS_OK;
2347 }
2348
2349 /*************************************************************************
2350 get_user_info_9. Only gives out primary group SID.
2351 *************************************************************************/
2352
2353 static NTSTATUS get_user_info_9(TALLOC_CTX *mem_ctx,
2354 struct samr_UserInfo9 *r,
2355 DOM_SID *user_sid)
2356 {
2357 struct samu *smbpass=NULL;
2358 bool ret;
2359
2360 ZERO_STRUCTP(r);
2361
2362 if ( !(smbpass = samu_new( mem_ctx )) ) {
2363 return NT_STATUS_NO_MEMORY;
2364 }
2365
2366 become_root();
2367 ret = pdb_getsampwsid(smbpass, user_sid);
2368 unbecome_root();
2369
2370 if (ret==False) {
2371 DEBUG(4,("User %s not found\n", sid_string_dbg(user_sid)));
2372 TALLOC_FREE(smbpass);
2373 return NT_STATUS_NO_SUCH_USER;
2374 }
2375
2376 DEBUG(3,("User:[%s]\n", pdb_get_username(smbpass) ));
2377
2378 init_samr_user_info9(r, pdb_get_group_rid(smbpass));
2379
2380 TALLOC_FREE(smbpass);
2381
2382 return NT_STATUS_OK;
2383 }
2384
2385 /*************************************************************************
2386 get_user_info_16. Safe. Only gives out acb bits.
2387 *************************************************************************/
2388
2389 static NTSTATUS get_user_info_16(TALLOC_CTX *mem_ctx,
2390 struct samr_UserInfo16 *r,
2391 DOM_SID *user_sid)
2392 {
2393 struct samu *smbpass=NULL;
2394 bool ret;
2395
2396 ZERO_STRUCTP(r);
2397
2398 if ( !(smbpass = samu_new( mem_ctx )) ) {
2399 return NT_STATUS_NO_MEMORY;
2400 }
2401
2402 become_root();
2403 ret = pdb_getsampwsid(smbpass, user_sid);
2404 unbecome_root();
2405
2406 if (ret==False) {
2407 DEBUG(4,("User %s not found\n", sid_string_dbg(user_sid)));
2408 TALLOC_FREE(smbpass);
2409 return NT_STATUS_NO_SUCH_USER;
2410 }
2411
2412 DEBUG(3,("User:[%s]\n", pdb_get_username(smbpass) ));
2413
2414 init_samr_user_info16(r, pdb_get_acct_ctrl(smbpass));
2415
2416 TALLOC_FREE(smbpass);
2417
2418 return NT_STATUS_OK;
2419 }
2420
2421 /*************************************************************************
2422 get_user_info_18. OK - this is the killer as it gives out password info.
2423 Ensure that this is only allowed on an encrypted connection with a root
2424 user. JRA.
2425 *************************************************************************/
2426
2427 static NTSTATUS get_user_info_18(pipes_struct *p,
2428 TALLOC_CTX *mem_ctx,
2429 struct samr_UserInfo18 *r,
2430 DOM_SID *user_sid)
2431 {
2432 struct samu *smbpass=NULL;
2433 bool ret;
2434
2435 ZERO_STRUCTP(r);
2436
2437 if (p->auth.auth_type != PIPE_AUTH_TYPE_NTLMSSP || p->auth.auth_type != PIPE_AUTH_TYPE_SPNEGO_NTLMSSP) {
2438 return NT_STATUS_ACCESS_DENIED;
2439 }
2440
2441 if (p->auth.auth_level != PIPE_AUTH_LEVEL_PRIVACY) {
2442 return NT_STATUS_ACCESS_DENIED;
2443 }
2444
2445 /*
2446 * Do *NOT* do become_root()/unbecome_root() here ! JRA.
2447 */
2448
2449 if ( !(smbpass = samu_new( mem_ctx )) ) {
2450 return NT_STATUS_NO_MEMORY;
2451 }
2452
2453 ret = pdb_getsampwsid(smbpass, user_sid);
2454
2455 if (ret == False) {
2456 DEBUG(4, ("User %s not found\n", sid_string_dbg(user_sid)));
2457 TALLOC_FREE(smbpass);
2458 return (geteuid() == (uid_t)0) ? NT_STATUS_NO_SUCH_USER : NT_STATUS_ACCESS_DENIED;
2459 }
2460
2461 DEBUG(3,("User:[%s] 0x%x\n", pdb_get_username(smbpass), pdb_get_acct_ctrl(smbpass) ));
2462
2463 if ( pdb_get_acct_ctrl(smbpass) & ACB_DISABLED) {
2464 TALLOC_FREE(smbpass);
2465 return NT_STATUS_ACCOUNT_DISABLED;
2466 }
2467
2468 init_samr_user_info18(r, pdb_get_lanman_passwd(smbpass),
2469 pdb_get_nt_passwd(smbpass));
2470
2471 TALLOC_FREE(smbpass);
2472
2473 return NT_STATUS_OK;
2474 }
2475
2476 /*************************************************************************
2477 get_user_info_20
2478 *************************************************************************/
2479
2480 static NTSTATUS get_user_info_20(TALLOC_CTX *mem_ctx,
2481 struct samr_UserInfo20 *r,
2482 DOM_SID *user_sid)
2483 {
2484 struct samu *sampass=NULL;
2485 bool ret;
2486 const char *munged_dial = NULL;
2487 DATA_BLOB blob;
2488 NTSTATUS status;
2489 struct lsa_BinaryString *parameters = NULL;
2490
2491 ZERO_STRUCTP(r);
2492
2493 if ( !(sampass = samu_new( mem_ctx )) ) {
2494 return NT_STATUS_NO_MEMORY;
2495 }
2496
2497 become_root();
2498 ret = pdb_getsampwsid(sampass, user_sid);
2499 unbecome_root();
2500
2501 if (ret == False) {
2502 DEBUG(4,("User %s not found\n", sid_string_dbg(user_sid)));
2503 TALLOC_FREE(sampass);
2504 return NT_STATUS_NO_SUCH_USER;
2505 }
2506
2507 munged_dial = pdb_get_munged_dial(sampass);
2508
2509 samr_clear_sam_passwd(sampass);
2510
2511 DEBUG(3,("User:[%s] has [%s] (length: %d)\n", pdb_get_username(sampass),
2512 munged_dial, (int)strlen(munged_dial)));
2513
2514 if (munged_dial) {
2515 blob = base64_decode_data_blob(munged_dial);
2516 } else {
2517 blob = data_blob_string_const("");
2518 }
2519
2520 status = init_samr_parameters_string(mem_ctx, &blob, &parameters);
2521 data_blob_free(&blob);
2522 TALLOC_FREE(sampass);
2523 if (!NT_STATUS_IS_OK(status)) {
2524 return status;
2525 }
2526
2527 init_samr_user_info20(r, parameters);
2528
2529 return NT_STATUS_OK;
2530 }
2531
2532
2533 /*************************************************************************
2534 get_user_info_21
2535 *************************************************************************/
2536
2537 static NTSTATUS get_user_info_21(TALLOC_CTX *mem_ctx,
2538 struct samr_UserInfo21 *r,
2539 DOM_SID *user_sid,
2540 DOM_SID *domain_sid)
2541 {
2542 NTSTATUS status;
2543 struct samu *pw = NULL;
2544 bool ret;
2545 const DOM_SID *sid_user, *sid_group;
2546 uint32_t rid, primary_gid;
2547 NTTIME last_logon, last_logoff, last_password_change,
2548 acct_expiry, allow_password_change, force_password_change;
2549 time_t must_change_time;
2550 uint8_t password_expired;
2551 const char *account_name, *full_name, *home_directory, *home_drive,
2552 *logon_script, *profile_path, *description,
2553 *workstations, *comment;
2554 struct samr_LogonHours logon_hours;
2555 struct lsa_BinaryString *parameters = NULL;
2556 const char *munged_dial = NULL;
2557 DATA_BLOB blob;
2558
2559 ZERO_STRUCTP(r);
2560
2561 if (!(pw = samu_new(mem_ctx))) {
2562 return NT_STATUS_NO_MEMORY;
2563 }
2564
2565 become_root();
2566 ret = pdb_getsampwsid(pw, user_sid);
2567 unbecome_root();
2568
2569 if (ret == False) {
2570 DEBUG(4,("User %s not found\n", sid_string_dbg(user_sid)));
2571 TALLOC_FREE(pw);
2572 return NT_STATUS_NO_SUCH_USER;
2573 }
2574
2575 samr_clear_sam_passwd(pw);
2576
2577 DEBUG(3,("User:[%s]\n", pdb_get_username(pw)));
2578
2579 sid_user = pdb_get_user_sid(pw);
2580
2581 if (!sid_peek_check_rid(domain_sid, sid_user, &rid)) {
2582 DEBUG(0, ("get_user_info_21: User %s has SID %s, \nwhich conflicts with "
2583 "the domain sid %s. Failing operation.\n",
2584 pdb_get_username(pw), sid_string_dbg(sid_user),
2585 sid_string_dbg(domain_sid)));
2586 TALLOC_FREE(pw);
2587 return NT_STATUS_UNSUCCESSFUL;
2588 }
2589
2590 become_root();
2591 sid_group = pdb_get_group_sid(pw);
2592 unbecome_root();
2593
2594 if (!sid_peek_check_rid(domain_sid, sid_group, &primary_gid)) {
2595 DEBUG(0, ("get_user_info_21: User %s has Primary Group SID %s, \n"
2596 "which conflicts with the domain sid %s. Failing operation.\n",
2597 pdb_get_username(pw), sid_string_dbg(sid_group),
2598 sid_string_dbg(domain_sid)));
2599 TALLOC_FREE(pw);
2600 return NT_STATUS_UNSUCCESSFUL;
2601 }
2602
2603 unix_to_nt_time(&last_logon, pdb_get_logon_time(pw));
2604 unix_to_nt_time(&last_logoff, pdb_get_logoff_time(pw));
2605 unix_to_nt_time(&acct_expiry, pdb_get_kickoff_time(pw));
2606 unix_to_nt_time(&last_password_change, pdb_get_pass_last_set_time(pw));
2607 unix_to_nt_time(&allow_password_change, pdb_get_pass_can_change_time(pw));
2608
2609 must_change_time = pdb_get_pass_must_change_time(pw);
2610 if (must_change_time == get_time_t_max()) {
2611 unix_to_nt_time_abs(&force_password_change, must_change_time);
2612 } else {
2613 unix_to_nt_time(&force_password_change, must_change_time);
2614 }
2615
2616 if (pdb_get_pass_must_change_time(pw) == 0) {
2617 password_expired = PASS_MUST_CHANGE_AT_NEXT_LOGON;
2618 } else {
2619 password_expired = 0;
2620 }
2621
2622 munged_dial = pdb_get_munged_dial(pw);
2623 if (munged_dial) {
2624 blob = base64_decode_data_blob(munged_dial);
2625 } else {
2626 blob = data_blob_string_const("");
2627 }
2628
2629 status = init_samr_parameters_string(mem_ctx, &blob, &parameters);
2630 data_blob_free(&blob);
2631 if (!NT_STATUS_IS_OK(status)) {
2632 TALLOC_FREE(pw);
2633 return status;
2634 }
2635
2636 account_name = talloc_strdup(mem_ctx, pdb_get_username(pw));
2637 full_name = talloc_strdup(mem_ctx, pdb_get_fullname(pw));
2638 home_directory = talloc_strdup(mem_ctx, pdb_get_homedir(pw));
2639 home_drive = talloc_strdup(mem_ctx, pdb_get_dir_drive(pw));
2640 logon_script = talloc_strdup(mem_ctx, pdb_get_logon_script(pw));
2641 profile_path = talloc_strdup(mem_ctx, pdb_get_profile_path(pw));
2642 description = talloc_strdup(mem_ctx, pdb_get_acct_desc(pw));
2643 workstations = talloc_strdup(mem_ctx, pdb_get_workstations(pw));
2644 comment = talloc_strdup(mem_ctx, pdb_get_comment(pw));
2645
2646 logon_hours = get_logon_hours_from_pdb(mem_ctx, pw);
2647 #if 0
2648
2649 /*
2650 Look at a user on a real NT4 PDC with usrmgr, press
2651 'ok'. Then you will see that fields_present is set to
2652 0x08f827fa. Look at the user immediately after that again,
2653 and you will see that 0x00fffff is returned. This solves
2654 the problem that you get access denied after having looked
2655 at the user.
2656 -- Volker
2657 */
2658
2659 #endif
2660
2661 init_samr_user_info21(r,
2662 last_logon,
2663 last_logoff,
2664 last_password_change,
2665 acct_expiry,
2666 allow_password_change,
2667 force_password_change,
2668 account_name,
2669 full_name,
2670 home_directory,
2671 home_drive,
2672 logon_script,
2673 profile_path,
2674 description,
2675 workstations,
2676 comment,
2677 parameters,
2678 rid,
2679 primary_gid,
2680 pdb_get_acct_ctrl(pw),
2681 pdb_build_fields_present(pw),
2682 logon_hours,
2683 pdb_get_bad_password_count(pw),
2684 pdb_get_logon_count(pw),
2685 0, /* country_code */
2686 0, /* code_page */
2687 0, /* nt_password_set */
2688 0, /* lm_password_set */
2689 password_expired);
2690 TALLOC_FREE(pw);
2691
2692 return NT_STATUS_OK;
2693 }
2694
2695 /*******************************************************************
2696 _samr_QueryUserInfo
2697 ********************************************************************/
2698
2699 NTSTATUS _samr_QueryUserInfo(pipes_struct *p,
2700 struct samr_QueryUserInfo *r)
2701 {
2702 NTSTATUS status;
2703 union samr_UserInfo *user_info = NULL;
2704 struct samr_info *info = NULL;
2705 DOM_SID domain_sid;
2706 uint32 rid;
2707
2708 /* search for the handle */
2709 if (!find_policy_by_hnd(p, r->in.user_handle, (void **)(void *)&info))
2710 return NT_STATUS_INVALID_HANDLE;
2711
2712 status = access_check_samr_function(info->acc_granted,
2713 SAMR_USER_ACCESS_GET_ATTRIBUTES,
2714 "_samr_QueryUserInfo");
2715 if (!NT_STATUS_IS_OK(status)) {
2716 return status;
2717 }
2718
2719 domain_sid = info->sid;
2720
2721 sid_split_rid(&domain_sid, &rid);
2722
2723 if (!sid_check_is_in_our_domain(&info->sid))
2724 return NT_STATUS_OBJECT_TYPE_MISMATCH;
2725
2726 DEBUG(5,("_samr_QueryUserInfo: sid:%s\n",
2727 sid_string_dbg(&info->sid)));
2728
2729 user_info = TALLOC_ZERO_P(p->mem_ctx, union samr_UserInfo);
2730 if (!user_info) {
2731 return NT_STATUS_NO_MEMORY;
2732 }
2733
2734 DEBUG(5,("_samr_QueryUserInfo: user info level: %d\n", r->in.level));
2735
2736 switch (r->in.level) {
2737 case 7:
2738 status = get_user_info_7(p->mem_ctx, &user_info->info7, &info->sid);
2739 if (!NT_STATUS_IS_OK(status)) {
2740 return status;
2741 }
2742 break;
2743 case 9:
2744 status = get_user_info_9(p->mem_ctx, &user_info->info9, &info->sid);
2745 if (!NT_STATUS_IS_OK(status)) {
2746 return status;
2747 }
2748 break;
2749 case 16:
2750 status = get_user_info_16(p->mem_ctx, &user_info->info16, &info->sid);
2751 if (!NT_STATUS_IS_OK(status)) {
2752 return status;
2753 }
2754 break;
2755
2756 case 18:
2757 status = get_user_info_18(p, p->mem_ctx, &user_info->info18, &info->sid);
2758 if (!NT_STATUS_IS_OK(status)) {
2759 return status;
2760 }
2761 break;
2762
2763 case 20:
2764 status = get_user_info_20(p->mem_ctx, &user_info->info20, &info->sid);
2765 if (!NT_STATUS_IS_OK(status)) {
2766 return status;
2767 }
2768 break;
2769
2770 case 21:
2771 status = get_user_info_21(p->mem_ctx, &user_info->info21,
2772 &info->sid, &domain_sid);
2773 if (!NT_STATUS_IS_OK(status)) {
2774 return status;
2775 }
2776 break;
2777
2778 default:
2779 return NT_STATUS_INVALID_INFO_CLASS;
2780 }
2781
2782 *r->out.info = user_info;
2783
2784 DEBUG(5,("_samr_QueryUserInfo: %d\n", __LINE__));
2785
2786 return status;
2787 }
2788
2789 /*******************************************************************
2790 _samr_GetGroupsForUser
2791 ********************************************************************/
2792
2793 NTSTATUS _samr_GetGroupsForUser(pipes_struct *p,
2794 struct samr_GetGroupsForUser *r)
2795 {
2796 struct samu *sam_pass=NULL;
2797 DOM_SID sid;
2798 DOM_SID *sids;
2799 struct samr_RidWithAttribute dom_gid;
2800 struct samr_RidWithAttribute *gids = NULL;
2801 uint32 primary_group_rid;
2802 size_t num_groups = 0;
2803 gid_t *unix_gids;
2804 size_t i, num_gids;
2805 uint32 acc_granted;
2806 bool ret;
2807 NTSTATUS result;
2808 bool success = False;
2809
2810 struct samr_RidWithAttributeArray *rids = NULL;
2811
2812 /*
2813 * from the SID in the request:
2814 * we should send back the list of DOMAIN GROUPS
2815 * the user is a member of
2816 *
2817 * and only the DOMAIN GROUPS
2818 * no ALIASES !!! neither aliases of the domain
2819 * nor aliases of the builtin SID
2820 *
2821 * JFM, 12/2/2001
2822 */
2823
2824 DEBUG(5,("_samr_GetGroupsForUser: %d\n", __LINE__));
2825
2826 rids = TALLOC_ZERO_P(p->mem_ctx, struct samr_RidWithAttributeArray);
2827 if (!rids) {
2828 return NT_STATUS_NO_MEMORY;
2829 }
2830
2831 /* find the policy handle. open a policy on it. */
2832 if (!get_lsa_policy_samr_sid(p, r->in.user_handle, &sid, &acc_granted, NULL))
2833 return NT_STATUS_INVALID_HANDLE;
2834
2835 result = access_check_samr_function(acc_granted,
2836 SAMR_USER_ACCESS_GET_GROUPS,
2837 "_samr_GetGroupsForUser");
2838 if (!NT_STATUS_IS_OK(result)) {
2839 return result;
2840 }
2841
2842 if (!sid_check_is_in_our_domain(&sid))
2843 return NT_STATUS_OBJECT_TYPE_MISMATCH;
2844
2845 if ( !(sam_pass = samu_new( p->mem_ctx )) ) {
2846 return NT_STATUS_NO_MEMORY;
2847 }
2848
2849 become_root();
2850 ret = pdb_getsampwsid(sam_pass, &sid);
2851 unbecome_root();
2852
2853 if (!ret) {
2854 DEBUG(10, ("pdb_getsampwsid failed for %s\n",
2855 sid_string_dbg(&sid)));
2856 return NT_STATUS_NO_SUCH_USER;
2857 }
2858
2859 sids = NULL;
2860
2861 /* make both calls inside the root block */
2862 become_root();
2863 result = pdb_enum_group_memberships(p->mem_ctx, sam_pass,
2864 &sids, &unix_gids, &num_groups);
2865 if ( NT_STATUS_IS_OK(result) ) {
2866 success = sid_peek_check_rid(get_global_sam_sid(),
2867 pdb_get_group_sid(sam_pass),
2868 &primary_group_rid);
2869 }
2870 unbecome_root();
2871
2872 if (!NT_STATUS_IS_OK(result)) {
2873 DEBUG(10, ("pdb_enum_group_memberships failed for %s\n",
2874 sid_string_dbg(&sid)));
2875 return result;
2876 }
2877
2878 if ( !success ) {
2879 DEBUG(5, ("Group sid %s for user %s not in our domain\n",
2880 sid_string_dbg(pdb_get_group_sid(sam_pass)),
2881 pdb_get_username(sam_pass)));
2882 TALLOC_FREE(sam_pass);
2883 return NT_STATUS_INTERNAL_DB_CORRUPTION;
2884 }
2885
2886 gids = NULL;
2887 num_gids = 0;
2888
2889 dom_gid.attributes = (SE_GROUP_MANDATORY|SE_GROUP_ENABLED_BY_DEFAULT|
2890 SE_GROUP_ENABLED);
2891 dom_gid.rid = primary_group_rid;
2892 ADD_TO_ARRAY(p->mem_ctx, struct samr_RidWithAttribute, dom_gid, &gids, &num_gids);
2893
2894 for (i=0; i<num_groups; i++) {
2895
2896 if (!sid_peek_check_rid(get_global_sam_sid(),
2897 &(sids[i]), &dom_gid.rid)) {
2898 DEBUG(10, ("Found sid %s not in our domain\n",
2899 sid_string_dbg(&sids[i])));
2900 continue;
2901 }
2902
2903 if (dom_gid.rid == primary_group_rid) {
2904 /* We added the primary group directly from the
2905 * sam_account. The other SIDs are unique from
2906 * enum_group_memberships */
2907 continue;
2908 }
2909
2910 ADD_TO_ARRAY(p->mem_ctx, struct samr_RidWithAttribute, dom_gid, &gids, &num_gids);
2911 }
2912
2913 rids->count = num_gids;
2914 rids->rids = gids;
2915
2916 *r->out.rids = rids;
2917
2918 DEBUG(5,("_samr_GetGroupsForUser: %d\n", __LINE__));
2919
2920 return result;
2921 }
2922
2923 /*******************************************************************
2924 _samr_QueryDomainInfo
2925 ********************************************************************/
2926
2927 NTSTATUS _samr_QueryDomainInfo(pipes_struct *p,
2928 struct samr_QueryDomainInfo *r)
2929 {
2930 NTSTATUS status = NT_STATUS_OK;
2931 struct samr_info *info = NULL;
2932 union samr_DomainInfo *dom_info;
2933 uint32 min_pass_len,pass_hist,password_properties;
2934 time_t u_expire, u_min_age;
2935 NTTIME nt_expire, nt_min_age;
2936
2937 time_t u_lock_duration, u_reset_time;
2938 NTTIME nt_lock_duration, nt_reset_time;
2939 uint32 lockout;
2940 time_t u_logout;
2941 NTTIME nt_logout;
2942
2943 uint32 account_policy_temp;
2944
2945 time_t seq_num;
2946 uint32 server_role;
2947
2948 uint32 num_users=0, num_groups=0, num_aliases=0;
2949
2950 DEBUG(5,("_samr_QueryDomainInfo: %d\n", __LINE__));
2951
2952 dom_info = TALLOC_ZERO_P(p->mem_ctx, union samr_DomainInfo);
2953 if (!dom_info) {
2954 return NT_STATUS_NO_MEMORY;
2955 }
2956
2957 /* find the policy handle. open a policy on it. */
2958 if (!find_policy_by_hnd(p, r->in.domain_handle, (void **)(void *)&info)) {
2959 return NT_STATUS_INVALID_HANDLE;
2960 }
2961
2962 status = access_check_samr_function(info->acc_granted,
2963 SAMR_ACCESS_OPEN_DOMAIN,
2964 "_samr_QueryDomainInfo" );
2965
2966 if ( !NT_STATUS_IS_OK(status) )
2967 return status;
2968
2969 switch (r->in.level) {
2970 case 0x01:
2971
2972 become_root();
2973
2974 /* AS ROOT !!! */
2975
2976 pdb_get_account_policy(AP_MIN_PASSWORD_LEN, &account_policy_temp);
2977 min_pass_len = account_policy_temp;
2978
2979 pdb_get_account_policy(AP_PASSWORD_HISTORY, &account_policy_temp);
2980 pass_hist = account_policy_temp;
2981
2982 pdb_get_account_policy(AP_USER_MUST_LOGON_TO_CHG_PASS, &account_policy_temp);
2983 password_properties = account_policy_temp;
2984
2985 pdb_get_account_policy(AP_MAX_PASSWORD_AGE, &account_policy_temp);
2986 u_expire = account_policy_temp;
2987
2988 pdb_get_account_policy(AP_MIN_PASSWORD_AGE, &account_policy_temp);
2989 u_min_age = account_policy_temp;
2990
2991 /* !AS ROOT */
2992
2993 unbecome_root();
2994
2995 unix_to_nt_time_abs(&nt_expire, u_expire);
2996 unix_to_nt_time_abs(&nt_min_age, u_min_age);
2997
2998 if (lp_check_password_script() && *lp_check_password_script()) {
2999 password_properties |= DOMAIN_PASSWORD_COMPLEX;
3000 }
3001
3002 init_samr_DomInfo1(&dom_info->info1,
3003 (uint16)min_pass_len,
3004 (uint16)pass_hist,
3005 password_properties,
3006 nt_expire,
3007 nt_min_age);
3008 break;
3009 case 0x02:
3010
3011 become_root();
3012
3013 /* AS ROOT !!! */
3014
3015 num_users = count_sam_users(info->disp_info, ACB_NORMAL);
3016 num_groups = count_sam_groups(info->disp_info);
3017 num_aliases = count_sam_aliases(info->disp_info);
3018
3019 pdb_get_account_policy(AP_TIME_TO_LOGOUT, &account_policy_temp);
3020 u_logout = account_policy_temp;
3021
3022 unix_to_nt_time_abs(&nt_logout, u_logout);
3023
3024 if (!pdb_get_seq_num(&seq_num))
3025 seq_num = time(NULL);
3026
3027 /* !AS ROOT */
3028
3029 unbecome_root();
3030
3031 server_role = ROLE_DOMAIN_PDC;
3032 if (lp_server_role() == ROLE_DOMAIN_BDC)
3033 server_role = ROLE_DOMAIN_BDC;
3034
3035 init_samr_DomInfo2(&dom_info->info2,
3036 nt_logout,
3037 lp_serverstring(),
3038 lp_workgroup(),
3039 global_myname(),
3040 seq_num,
3041 1,
3042 server_role,
3043 1,
3044 num_users,
3045 num_groups,
3046 num_aliases);
3047 break;
3048 case 0x03:
3049
3050 become_root();
3051
3052 /* AS ROOT !!! */
3053
3054 {
3055 uint32 ul;
3056 pdb_get_account_policy(AP_TIME_TO_LOGOUT, &ul);
3057 u_logout = (time_t)ul;
3058 }
3059
3060 /* !AS ROOT */
3061
3062 unbecome_root();
3063
3064 unix_to_nt_time_abs(&nt_logout, u_logout);
3065
3066 init_samr_DomInfo3(&dom_info->info3,
3067 nt_logout);
3068
3069 break;
3070 case 0x04:
3071 init_samr_DomInfo4(&dom_info->info4,
3072 lp_serverstring());
3073 break;
3074 case 0x05:
3075 init_samr_DomInfo5(&dom_info->info5,
3076 get_global_sam_name());
3077 break;
3078 case 0x06:
3079 /* NT returns its own name when a PDC. win2k and later
3080 * only the name of the PDC if itself is a BDC (samba4
3081 * idl) */
3082 init_samr_DomInfo6(&dom_info->info6,
3083 global_myname());
3084 break;
3085 case 0x07:
3086 server_role = ROLE_DOMAIN_PDC;
3087 if (lp_server_role() == ROLE_DOMAIN_BDC)
3088 server_role = ROLE_DOMAIN_BDC;
3089
3090 init_samr_DomInfo7(&dom_info->info7,
3091 server_role);
3092 break;
3093 case 0x08:
3094
3095 become_root();
3096
3097 /* AS ROOT !!! */
3098
3099 if (!pdb_get_seq_num(&seq_num)) {
3100 seq_num = time(NULL);
3101 }
3102
3103 /* !AS ROOT */
3104
3105 unbecome_root();
3106
3107 init_samr_DomInfo8(&dom_info->info8,
3108 seq_num,
3109 0);
3110 break;
3111 case 0x0c:
3112
3113 become_root();
3114
3115 /* AS ROOT !!! */
3116
3117 pdb_get_account_policy(AP_LOCK_ACCOUNT_DURATION, &account_policy_temp);
3118 u_lock_duration = account_policy_temp;
3119 if (u_lock_duration != -1) {
3120 u_lock_duration *= 60;
3121 }
3122
3123 pdb_get_account_policy(AP_RESET_COUNT_TIME, &account_policy_temp);
3124 u_reset_time = account_policy_temp * 60;
3125
3126 pdb_get_account_policy(AP_BAD_ATTEMPT_LOCKOUT, &account_policy_temp);
3127 lockout = account_policy_temp;
3128
3129 /* !AS ROOT */
3130
3131 unbecome_root();
3132
3133 unix_to_nt_time_abs(&nt_lock_duration, u_lock_duration);
3134 unix_to_nt_time_abs(&nt_reset_time, u_reset_time);
3135
3136 init_samr_DomInfo12(&dom_info->info12,
3137 nt_lock_duration,
3138 nt_reset_time,
3139 (uint16)lockout);
3140 break;
3141 default:
3142 return NT_STATUS_INVALID_INFO_CLASS;
3143 }
3144
3145 *r->out.info = dom_info;
3146
3147 DEBUG(5,("_samr_QueryDomainInfo: %d\n", __LINE__));
3148
3149 return status;
3150 }
3151
3152 /* W2k3 seems to use the same check for all 3 objects that can be created via
3153 * SAMR, if you try to create for example "Dialup" as an alias it says
3154 * "NT_STATUS_USER_EXISTS". This is racy, but we can't really lock the user
3155 * database. */
3156
3157 static NTSTATUS can_create(TALLOC_CTX *mem_ctx, const char *new_name)
3158 {
3159 enum lsa_SidType type;
3160 bool result;
3161
3162 DEBUG(10, ("Checking whether [%s] can be created\n", new_name));
3163
3164 become_root();
3165 /* Lookup in our local databases (LOOKUP_NAME_REMOTE not set)
3166 * whether the name already exists */
3167 result = lookup_name(mem_ctx, new_name, LOOKUP_NAME_LOCAL,
3168 NULL, NULL, NULL, &type);
3169 unbecome_root();
3170
3171 if (!result) {
3172 DEBUG(10, ("%s does not exist, can create it\n", new_name));
3173 return NT_STATUS_OK;
3174 }
3175
3176 DEBUG(5, ("trying to create %s, exists as %s\n",
3177 new_name, sid_type_lookup(type)));
3178
3179 if (type == SID_NAME_DOM_GRP) {
3180 return NT_STATUS_GROUP_EXISTS;
3181 }
3182 if (type == SID_NAME_ALIAS) {
3183 return NT_STATUS_ALIAS_EXISTS;
3184 }
3185
3186 /* Yes, the default is NT_STATUS_USER_EXISTS */
3187 return NT_STATUS_USER_EXISTS;
3188 }
3189
3190 /*******************************************************************
3191 _samr_CreateUser2
3192 ********************************************************************/
3193
3194 NTSTATUS _samr_CreateUser2(pipes_struct *p,
3195 struct samr_CreateUser2 *r)
3196 {
3197 const char *account = NULL;
3198 DOM_SID sid;
3199 POLICY_HND dom_pol = *r->in.domain_handle;
3200 uint32_t acb_info = r->in.acct_flags;
3201 POLICY_HND *user_pol = r->out.user_handle;
3202 struct samr_info *info = NULL;
3203 NTSTATUS nt_status;
3204 uint32 acc_granted;
3205 SEC_DESC *psd;
3206 size_t sd_size;
3207 /* check this, when giving away 'add computer to domain' privs */
3208 uint32 des_access = GENERIC_RIGHTS_USER_ALL_ACCESS;
3209 bool can_add_account = False;
3210 SE_PRIV se_rights;
3211 DISP_INFO *disp_info = NULL;
3212
3213 /* Get the domain SID stored in the domain policy */
3214 if (!get_lsa_policy_samr_sid(p, &dom_pol, &sid, &acc_granted,
3215 &disp_info))
3216 return NT_STATUS_INVALID_HANDLE;
3217
3218 nt_status = access_check_samr_function(acc_granted,
3219 SAMR_DOMAIN_ACCESS_CREATE_USER,
3220 "_samr_CreateUser2");
3221 if (!NT_STATUS_IS_OK(nt_status)) {
3222 return nt_status;
3223 }
3224
3225 if (!(acb_info == ACB_NORMAL || acb_info == ACB_DOMTRUST ||
3226 acb_info == ACB_WSTRUST || acb_info == ACB_SVRTRUST)) {
3227 /* Match Win2k, and return NT_STATUS_INVALID_PARAMETER if
3228 this parameter is not an account type */
3229 return NT_STATUS_INVALID_PARAMETER;
3230 }
3231
3232 account = r->in.account_name->string;
3233 if (account == NULL) {
3234 return NT_STATUS_NO_MEMORY;
3235 }
3236
3237 nt_status = can_create(p->mem_ctx, account);
3238 if (!NT_STATUS_IS_OK(nt_status)) {
3239 return nt_status;
3240 }
3241
3242 /* determine which user right we need to check based on the acb_info */
3243
3244 if ( acb_info & ACB_WSTRUST )
3245 {
3246 se_priv_copy( &se_rights, &se_machine_account );
3247 can_add_account = user_has_privileges(
3248 p->pipe_user.nt_user_token, &se_rights );
3249 }
3250 /* usrmgr.exe (and net rpc trustdom grant) creates a normal user
3251 account for domain trusts and changes the ACB flags later */
3252 else if ( acb_info & ACB_NORMAL &&
3253 (account[strlen(account)-1] != '$') )
3254 {
3255 se_priv_copy( &se_rights, &se_add_users );
3256 can_add_account = user_has_privileges(
3257 p->pipe_user.nt_user_token, &se_rights );
3258 }
3259 else /* implicit assumption of a BDC or domain trust account here
3260 * (we already check the flags earlier) */
3261 {
3262 if ( lp_enable_privileges() ) {
3263 /* only Domain Admins can add a BDC or domain trust */
3264 se_priv_copy( &se_rights, &se_priv_none );
3265 can_add_account = nt_token_check_domain_rid(
3266 p->pipe_user.nt_user_token,
3267 DOMAIN_GROUP_RID_ADMINS );
3268 }
3269 }
3270
3271 DEBUG(5, ("_samr_CreateUser2: %s can add this account : %s\n",
3272 uidtoname(p->pipe_user.ut.uid),
3273 can_add_account ? "True":"False" ));
3274
3275 /********** BEGIN Admin BLOCK **********/
3276
3277 if ( can_add_account )
3278 become_root();
3279
3280 nt_status = pdb_create_user(p->mem_ctx, account, acb_info,
3281 r->out.rid);
3282
3283 if ( can_add_account )
3284 unbecome_root();
3285
3286 /********** END Admin BLOCK **********/
3287
3288 /* now check for failure */
3289
3290 if ( !NT_STATUS_IS_OK(nt_status) )
3291 return nt_status;
3292
3293 /* Get the user's SID */
3294
3295 sid_compose(&sid, get_global_sam_sid(), *r->out.rid);
3296
3297 map_max_allowed_access(p->pipe_user.nt_user_token, &des_access);
3298
3299 make_samr_object_sd(p->mem_ctx, &psd, &sd_size, &usr_generic_mapping,
3300 &sid, SAMR_USR_RIGHTS_WRITE_PW);
3301 se_map_generic(&des_access, &usr_generic_mapping);
3302
3303 nt_status = access_check_samr_object(psd, p->pipe_user.nt_user_token,
3304 &se_rights, GENERIC_RIGHTS_USER_WRITE, des_access,
3305 &acc_granted, "_samr_CreateUser2");
3306
3307 if ( !NT_STATUS_IS_OK(nt_status) ) {
3308 return nt_status;
3309 }
3310
3311 /* associate the user's SID with the new handle. */
3312 if ((info = get_samr_info_by_sid(&sid)) == NULL) {
3313 return NT_STATUS_NO_MEMORY;
3314 }
3315
3316 ZERO_STRUCTP(info);
3317 info->sid = sid;
3318 info->acc_granted = acc_granted;
3319
3320 /* get a (unique) handle. open a policy on it. */
3321 if (!create_policy_hnd(p, user_pol, free_samr_info, (void *)info)) {
3322 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
3323 }
3324
3325 /* After a "set" ensure we have no cached display info. */
3326 force_flush_samr_cache(info->disp_info);
3327
3328 *r->out.access_granted = acc_granted;
3329
3330 return NT_STATUS_OK;
3331 }
3332
3333 /*******************************************************************
3334 _samr_Connect
3335 ********************************************************************/
3336
3337 NTSTATUS _samr_Connect(pipes_struct *p,
3338 struct samr_Connect *r)
3339 {
3340 struct samr_info *info = NULL;
3341 uint32 des_access = r->in.access_mask;
3342
3343 /* Access check */
3344
3345 if (!pipe_access_check(p)) {
3346 DEBUG(3, ("access denied to _samr_Connect\n"));
3347 return NT_STATUS_ACCESS_DENIED;
3348 }
3349
3350 /* set up the SAMR connect_anon response */
3351
3352 /* associate the user's SID with the new handle. */
3353 if ((info = get_samr_info_by_sid(NULL)) == NULL)
3354 return NT_STATUS_NO_MEMORY;
3355
3356 /* don't give away the farm but this is probably ok. The SAMR_ACCESS_ENUM_DOMAINS
3357 was observed from a win98 client trying to enumerate users (when configured
3358 user level access control on shares) --jerry */
3359
3360 map_max_allowed_access(p->pipe_user.nt_user_token, &des_access);
3361
3362 se_map_generic( &des_access, &sam_generic_mapping );
3363 info->acc_granted = des_access & (SAMR_ACCESS_ENUM_DOMAINS|SAMR_ACCESS_OPEN_DOMAIN);
3364
3365 /* get a (unique) handle. open a policy on it. */
3366 if (!create_policy_hnd(p, r->out.connect_handle, free_samr_info, (void *)info))
3367 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
3368
3369 return NT_STATUS_OK;
3370 }
3371
3372 /*******************************************************************
3373 _samr_Connect2
3374 ********************************************************************/
3375
3376 NTSTATUS _samr_Connect2(pipes_struct *p,
3377 struct samr_Connect2 *r)
3378 {
3379 struct samr_info *info = NULL;
3380 SEC_DESC *psd = NULL;
3381 uint32 acc_granted;
3382 uint32 des_access = r->in.access_mask;
3383 NTSTATUS nt_status;
3384 size_t sd_size;
3385
3386
3387 DEBUG(5,("_samr_Connect2: %d\n", __LINE__));
3388
3389 /* Access check */
3390
3391 if (!pipe_access_check(p)) {
3392 DEBUG(3, ("access denied to _samr_Connect2\n"));
3393 return NT_STATUS_ACCESS_DENIED;
3394 }
3395
3396 map_max_allowed_access(p->pipe_user.nt_user_token, &des_access);
3397
3398 make_samr_object_sd(p->mem_ctx, &psd, &sd_size, &sam_generic_mapping, NULL, 0);
3399 se_map_generic(&des_access, &sam_generic_mapping);
3400
3401 nt_status = access_check_samr_object(psd, p->pipe_user.nt_user_token,
3402 NULL, 0, des_access, &acc_granted, "_samr_Connect2");
3403
3404 if ( !NT_STATUS_IS_OK(nt_status) )
3405 return nt_status;
3406
3407 /* associate the user's SID and access granted with the new handle. */
3408 if ((info = get_samr_info_by_sid(NULL)) == NULL)
3409 return NT_STATUS_NO_MEMORY;
3410
3411 info->acc_granted = acc_granted;
3412 info->status = r->in.access_mask; /* this looks so wrong... - gd */
3413
3414 /* get a (unique) handle. open a policy on it. */
3415 if (!create_policy_hnd(p, r->out.connect_handle, free_samr_info, (void *)info))
3416 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
3417
3418 DEBUG(5,("_samr_Connect2: %d\n", __LINE__));
3419
3420 return nt_status;
3421 }
3422
3423 /*******************************************************************
3424 _samr_Connect4
3425 ********************************************************************/
3426
3427 NTSTATUS _samr_Connect4(pipes_struct *p,
3428 struct samr_Connect4 *r)
3429 {
3430 struct samr_info *info = NULL;
3431 SEC_DESC *psd = NULL;
3432 uint32 acc_granted;
3433 uint32 des_access = r->in.access_mask;
3434 NTSTATUS nt_status;
3435 size_t sd_size;
3436
3437
3438 DEBUG(5,("_samr_Connect4: %d\n", __LINE__));
3439
3440 /* Access check */
3441
3442 if (!pipe_access_check(p)) {
3443 DEBUG(3, ("access denied to samr_Connect4\n"));
3444 return NT_STATUS_ACCESS_DENIED;
3445 }
3446
3447 map_max_allowed_access(p->pipe_user.nt_user_token, &des_access);
3448
3449 make_samr_object_sd(p->mem_ctx, &psd, &sd_size, &sam_generic_mapping, NULL, 0);
3450 se_map_generic(&des_access, &sam_generic_mapping);
3451
3452 nt_status = access_check_samr_object(psd, p->pipe_user.nt_user_token,
3453 NULL, 0, des_access, &acc_granted, "_samr_Connect4");
3454
3455 if ( !NT_STATUS_IS_OK(nt_status) )
3456 return nt_status;
3457
3458 /* associate the user's SID and access granted with the new handle. */
3459 if ((info = get_samr_info_by_sid(NULL)) == NULL)
3460 return NT_STATUS_NO_MEMORY;
3461
3462 info->acc_granted = acc_granted;
3463 info->status = r->in.access_mask; /* ??? */
3464
3465 /* get a (unique) handle. open a policy on it. */
3466 if (!create_policy_hnd(p, r->out.connect_handle, free_samr_info, (void *)info))
3467 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
3468
3469 DEBUG(5,("_samr_Connect4: %d\n", __LINE__));
3470
3471 return NT_STATUS_OK;
3472 }
3473
3474 /*******************************************************************
3475 _samr_Connect5
3476 ********************************************************************/
3477
3478 NTSTATUS _samr_Connect5(pipes_struct *p,
3479 struct samr_Connect5 *r)
3480 {
3481 struct samr_info *info = NULL;
3482 SEC_DESC *psd = NULL;
3483 uint32 acc_granted;
3484 uint32 des_access = r->in.access_mask;
3485 NTSTATUS nt_status;
3486 size_t sd_size;
3487 struct samr_ConnectInfo1 info1;
3488
3489 DEBUG(5,("_samr_Connect5: %d\n", __LINE__));
3490
3491 /* Access check */
3492
3493 if (!pipe_access_check(p)) {
3494 DEBUG(3, ("access denied to samr_Connect5\n"));
3495 return NT_STATUS_ACCESS_DENIED;
3496 }
3497
3498 map_max_allowed_access(p->pipe_user.nt_user_token, &des_access);
3499
3500 make_samr_object_sd(p->mem_ctx, &psd, &sd_size, &sam_generic_mapping, NULL, 0);
3501 se_map_generic(&des_access, &sam_generic_mapping);
3502
3503 nt_status = access_check_samr_object(psd, p->pipe_user.nt_user_token,
3504 NULL, 0, des_access, &acc_granted, "_samr_Connect5");
3505
3506 if ( !NT_STATUS_IS_OK(nt_status) )
3507 return nt_status;
3508
3509 /* associate the user's SID and access granted with the new handle. */
3510 if ((info = get_samr_info_by_sid(NULL)) == NULL)
3511 return NT_STATUS_NO_MEMORY;
3512
3513 info->acc_granted = acc_granted;
3514 info->status = r->in.access_mask; /* ??? */
3515
3516 /* get a (unique) handle. open a policy on it. */
3517 if (!create_policy_hnd(p, r->out.connect_handle, free_samr_info, (void *)info))
3518 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
3519
3520 DEBUG(5,("_samr_Connect5: %d\n", __LINE__));
3521
3522 info1.client_version = SAMR_CONNECT_AFTER_W2K;
3523 info1.unknown2 = 0;
3524
3525 *r->out.level_out = 1;
3526 r->out.info_out->info1 = info1;
3527
3528 return NT_STATUS_OK;
3529 }
3530
3531 /**********************************************************************
3532 _samr_LookupDomain
3533 **********************************************************************/
3534
3535 NTSTATUS _samr_LookupDomain(pipes_struct *p,
3536 struct samr_LookupDomain *r)
3537 {
3538 NTSTATUS status = NT_STATUS_OK;
3539 struct samr_info *info;
3540 const char *domain_name;
3541 DOM_SID *sid = NULL;
3542
3543 if (!find_policy_by_hnd(p, r->in.connect_handle, (void**)(void *)&info))
3544 return NT_STATUS_INVALID_HANDLE;
3545
3546 /* win9x user manager likes to use SAMR_ACCESS_ENUM_DOMAINS here.
3547 Reverted that change so we will work with RAS servers again */
3548
3549 status = access_check_samr_function(info->acc_granted,
3550 SAMR_ACCESS_OPEN_DOMAIN,
3551 "_samr_LookupDomain");
3552 if (!NT_STATUS_IS_OK(status)) {
3553 return status;
3554 }
3555
3556 domain_name = r->in.domain_name->string;
3557
3558 sid = TALLOC_ZERO_P(p->mem_ctx, struct dom_sid2);
3559 if (!sid) {
3560 return NT_STATUS_NO_MEMORY;
3561 }
3562
3563 if (strequal(domain_name, builtin_domain_name())) {
3564 sid_copy(sid, &global_sid_Builtin);
3565 } else {
3566 if (!secrets_fetch_domain_sid(domain_name, sid)) {
3567 status = NT_STATUS_NO_SUCH_DOMAIN;
3568 }
3569 }
3570
3571 DEBUG(2,("Returning domain sid for domain %s -> %s\n", domain_name,
3572 sid_string_dbg(sid)));
3573
3574 *r->out.sid = sid;
3575
3576 return status;
3577 }
3578
3579 /**********************************************************************
3580 _samr_EnumDomains
3581 **********************************************************************/
3582
3583 NTSTATUS _samr_EnumDomains(pipes_struct *p,
3584 struct samr_EnumDomains *r)
3585 {
3586 NTSTATUS status;
3587 struct samr_info *info;
3588 uint32_t num_entries = 2;
3589 struct samr_SamEntry *entry_array = NULL;
3590 struct samr_SamArray *sam;
3591
3592 if (!find_policy_by_hnd(p, r->in.connect_handle, (void**)(void *)&info))
3593 return NT_STATUS_INVALID_HANDLE;
3594
3595 status = access_check_samr_function(info->acc_granted,
3596 SAMR_ACCESS_ENUM_DOMAINS,
3597 "_samr_EnumDomains");
3598 if (!NT_STATUS_IS_OK(status)) {
3599 return status;
3600 }
3601
3602 sam = TALLOC_ZERO_P(p->mem_ctx, struct samr_SamArray);
3603 if (!sam) {
3604 return NT_STATUS_NO_MEMORY;
3605 }
3606
3607 entry_array = TALLOC_ZERO_ARRAY(p->mem_ctx,
3608 struct samr_SamEntry,
3609 num_entries);
3610 if (!entry_array) {
3611 return NT_STATUS_NO_MEMORY;
3612 }
3613
3614 entry_array[0].idx = 0;
3615 init_lsa_String(&entry_array[0].name, get_global_sam_name());
3616
3617 entry_array[1].idx = 1;
3618 init_lsa_String(&entry_array[1].name, "Builtin");
3619
3620 sam->count = num_entries;
3621 sam->entries = entry_array;
3622
3623 *r->out.sam = sam;
3624 *r->out.num_entries = num_entries;
3625
3626 return status;
3627 }
3628
3629 /*******************************************************************
3630 _samr_OpenAlias
3631 ********************************************************************/
3632
3633 NTSTATUS _samr_OpenAlias(pipes_struct *p,
3634 struct samr_OpenAlias *r)
3635 {
3636 DOM_SID sid;
3637 POLICY_HND domain_pol = *r->in.domain_handle;
3638 uint32 alias_rid = r->in.rid;
3639 POLICY_HND *alias_pol = r->out.alias_handle;
3640 struct samr_info *info = NULL;
3641 SEC_DESC *psd = NULL;
3642 uint32 acc_granted;
3643 uint32 des_access = r->in.access_mask;
3644 size_t sd_size;
3645 NTSTATUS status;
3646 SE_PRIV se_rights;
3647
3648 /* find the domain policy and get the SID / access bits stored in the domain policy */
3649
3650 if ( !get_lsa_policy_samr_sid(p, &domain_pol, &sid, &acc_granted, NULL) )
3651 return NT_STATUS_INVALID_HANDLE;
3652
3653 status = access_check_samr_function(acc_granted,
3654 SAMR_DOMAIN_ACCESS_OPEN_ACCOUNT,
3655 "_samr_OpenAlias");
3656
3657 if ( !NT_STATUS_IS_OK(status) )
3658 return status;
3659
3660 /* append the alias' RID to it */
3661
3662 if (!sid_append_rid(&sid, alias_rid))
3663 return NT_STATUS_NO_SUCH_ALIAS;
3664
3665 /*check if access can be granted as requested by client. */
3666
3667 map_max_allowed_access(p->pipe_user.nt_user_token, &des_access);
3668
3669 make_samr_object_sd(p->mem_ctx, &psd, &sd_size, &ali_generic_mapping, NULL, 0);
3670 se_map_generic(&des_access,&ali_generic_mapping);
3671
3672 se_priv_copy( &se_rights, &se_add_users );
3673
3674
3675 status = access_check_samr_object(psd, p->pipe_user.nt_user_token,
3676 &se_rights, GENERIC_RIGHTS_ALIAS_WRITE, des_access,
3677 &acc_granted, "_samr_OpenAlias");
3678
3679 if ( !NT_STATUS_IS_OK(status) )
3680 return status;
3681
3682 {
3683 /* Check we actually have the requested alias */
3684 enum lsa_SidType type;
3685 bool result;
3686 gid_t gid;
3687
3688 become_root();
3689 result = lookup_sid(NULL, &sid, NULL, NULL, &type);
3690 unbecome_root();
3691
3692 if (!result || (type != SID_NAME_ALIAS)) {
3693 return NT_STATUS_NO_SUCH_ALIAS;
3694 }
3695
3696 /* make sure there is a mapping */
3697
3698 if ( !sid_to_gid( &sid, &gid ) ) {
3699 return NT_STATUS_NO_SUCH_ALIAS;
3700 }
3701
3702 }
3703
3704 /* associate the alias SID with the new handle. */
3705 if ((info = get_samr_info_by_sid(&sid)) == NULL)
3706 return NT_STATUS_NO_MEMORY;
3707
3708 info->acc_granted = acc_granted;
3709
3710 /* get a (unique) handle. open a policy on it. */
3711 if (!create_policy_hnd(p, alias_pol, free_samr_info, (void *)info))
3712 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
3713
3714 return NT_STATUS_OK;
3715 }
3716
3717 /*******************************************************************
3718 set_user_info_7
3719 ********************************************************************/
3720
3721 static NTSTATUS set_user_info_7(TALLOC_CTX *mem_ctx,
3722 struct samr_UserInfo7 *id7,
3723 struct samu *pwd)
3724 {
3725 NTSTATUS rc;
3726
3727 if (id7 == NULL) {
3728 DEBUG(5, ("set_user_info_7: NULL id7\n"));
3729 return NT_STATUS_ACCESS_DENIED;
3730 }
3731
3732 if (!id7->account_name.string) {
3733 DEBUG(5, ("set_user_info_7: failed to get new username\n"));
3734 return NT_STATUS_ACCESS_DENIED;
3735 }
3736
3737 /* check to see if the new username already exists. Note: we can't
3738 reliably lock all backends, so there is potentially the
3739 possibility that a user can be created in between this check and
3740 the rename. The rename should fail, but may not get the
3741 exact same failure status code. I think this is small enough
3742 of a window for this type of operation and the results are
3743 simply that the rename fails with a slightly different status
3744 code (like UNSUCCESSFUL instead of ALREADY_EXISTS). */
3745
3746 rc = can_create(mem_ctx, id7->account_name.string);
3747 if (!NT_STATUS_IS_OK(rc)) {
3748 return rc;
3749 }
3750
3751 rc = pdb_rename_sam_account(pwd, id7->account_name.string);
3752
3753 return rc;
3754 }
3755
3756 /*******************************************************************
3757 set_user_info_16
3758 ********************************************************************/
3759
3760 static bool set_user_info_16(struct samr_UserInfo16 *id16,
3761 struct samu *pwd)
3762 {
3763 if (id16 == NULL) {
3764 DEBUG(5, ("set_user_info_16: NULL id16\n"));
3765 return False;
3766 }
3767
3768 /* FIX ME: check if the value is really changed --metze */
3769 if (!pdb_set_acct_ctrl(pwd, id16->acct_flags, PDB_CHANGED)) {
3770 return False;
3771 }
3772
3773 if(!NT_STATUS_IS_OK(pdb_update_sam_account(pwd))) {
3774 return False;
3775 }
3776
3777 return True;
3778 }
3779
3780 /*******************************************************************
3781 set_user_info_18
3782 ********************************************************************/
3783
3784 static bool set_user_info_18(struct samr_UserInfo18 *id18,
3785 struct samu *pwd)
3786 {
3787 if (id18 == NULL) {
3788 DEBUG(2, ("set_user_info_18: id18 is NULL\n"));
3789 return False;
3790 }
3791
3792 if (!pdb_set_lanman_passwd (pwd, id18->lm_pwd.hash, PDB_CHANGED)) {
3793 return False;
3794 }
3795 if (!pdb_set_nt_passwd (pwd, id18->nt_pwd.hash, PDB_CHANGED)) {
3796 return False;
3797 }
3798 if (!pdb_set_pass_last_set_time (pwd, time(NULL), PDB_CHANGED)) {
3799 return False;
3800 }
3801
3802 if(!NT_STATUS_IS_OK(pdb_update_sam_account(pwd))) {
3803 return False;
3804 }
3805
3806 return True;
3807 }
3808
3809 /*******************************************************************
3810 set_user_info_20
3811 ********************************************************************/
3812
3813 static bool set_user_info_20(struct samr_UserInfo20 *id20,
3814 struct samu *pwd)
3815 {
3816 if (id20 == NULL) {
3817 DEBUG(5, ("set_user_info_20: NULL id20\n"));
3818 return False;
3819 }
3820
3821 copy_id20_to_sam_passwd(pwd, id20);
3822
3823 /* write the change out */
3824 if(!NT_STATUS_IS_OK(pdb_update_sam_account(pwd))) {
3825 return False;
3826 }
3827
3828 return True;
3829 }
3830
3831 /*******************************************************************
3832 set_user_info_21
3833 ********************************************************************/
3834
3835 static NTSTATUS set_user_info_21(TALLOC_CTX *mem_ctx,
3836 struct samr_UserInfo21 *id21,
3837 struct samu *pwd)
3838 {
3839 NTSTATUS status;
3840
3841 if (id21 == NULL) {
3842 DEBUG(5, ("set_user_info_21: NULL id21\n"));
3843 return NT_STATUS_INVALID_PARAMETER;
3844 }
3845
3846 if (id21->fields_present & SAMR_FIELD_LAST_PWD_CHANGE) {
3847 return NT_STATUS_ACCESS_DENIED;
3848 }
3849
3850 /* we need to separately check for an account rename first */
3851
3852 if (id21->account_name.string &&
3853 (!strequal(id21->account_name.string, pdb_get_username(pwd))))
3854 {
3855
3856 /* check to see if the new username already exists. Note: we can't
3857 reliably lock all backends, so there is potentially the
3858 possibility that a user can be created in between this check and
3859 the rename. The rename should fail, but may not get the
3860 exact same failure status code. I think this is small enough
3861 of a window for this type of operation and the results are
3862 simply that the rename fails with a slightly different status
3863 code (like UNSUCCESSFUL instead of ALREADY_EXISTS). */
3864
3865 status = can_create(mem_ctx, id21->account_name.string);
3866 if (!NT_STATUS_IS_OK(status)) {
3867 return status;
3868 }
3869
3870 status = pdb_rename_sam_account(pwd, id21->account_name.string);
3871
3872 if (!NT_STATUS_IS_OK(status)) {
3873 DEBUG(0,("set_user_info_21: failed to rename account: %s\n",
3874 nt_errstr(status)));
3875 return status;
3876 }
3877
3878 /* set the new username so that later
3879 functions can work on the new account */
3880 pdb_set_username(pwd, id21->account_name.string, PDB_SET);
3881 }
3882
3883 copy_id21_to_sam_passwd("INFO_21", pwd, id21);
3884
3885 /*
3886 * The funny part about the previous two calls is
3887 * that pwd still has the password hashes from the
3888 * passdb entry. These have not been updated from
3889 * id21. I don't know if they need to be set. --jerry
3890 */
3891
3892 if ( IS_SAM_CHANGED(pwd, PDB_GROUPSID) ) {
3893 status = pdb_set_unix_primary_group(mem_ctx, pwd);
3894 if ( !NT_STATUS_IS_OK(status) ) {
3895 return status;
3896 }
3897 }
3898
3899 /* Don't worry about writing out the user account since the
3900 primary group SID is generated solely from the user's Unix
3901 primary group. */
3902
3903 /* write the change out */
3904 if(!NT_STATUS_IS_OK(status = pdb_update_sam_account(pwd))) {
3905 return status;
3906 }
3907
3908 return NT_STATUS_OK;
3909 }
3910
3911 /*******************************************************************
3912 set_user_info_23
3913 ********************************************************************/
3914
3915 static NTSTATUS set_user_info_23(TALLOC_CTX *mem_ctx,
3916 struct samr_UserInfo23 *id23,
3917 struct samu *pwd)
3918 {
3919 char *plaintext_buf = NULL;
3920 uint32 len = 0;
3921 uint16 acct_ctrl;
3922 NTSTATUS status;
3923
3924 if (id23 == NULL) {
3925 DEBUG(5, ("set_user_info_23: NULL id23\n"));
3926 return NT_STATUS_INVALID_PARAMETER;
3927 }
3928
3929 if (id23->info.fields_present & SAMR_FIELD_LAST_PWD_CHANGE) {
3930 return NT_STATUS_ACCESS_DENIED;
3931 }
3932
3933
3934 DEBUG(5, ("Attempting administrator password change (level 23) for user %s\n",
3935 pdb_get_username(pwd)));
3936
3937 acct_ctrl = pdb_get_acct_ctrl(pwd);
3938
3939 if (!decode_pw_buffer(mem_ctx,
3940 id23->password.data,
3941 &plaintext_buf,
3942 &len,
3943 STR_UNICODE)) {
3944 return NT_STATUS_WRONG_PASSWORD;
3945 }
3946
3947 if (!pdb_set_plaintext_passwd (pwd, plaintext_buf)) {
3948 return NT_STATUS_ACCESS_DENIED;
3949 }
3950
3951 copy_id23_to_sam_passwd(pwd, id23);
3952
3953 /* if it's a trust account, don't update /etc/passwd */
3954 if ( ( (acct_ctrl & ACB_DOMTRUST) == ACB_DOMTRUST ) ||
3955 ( (acct_ctrl & ACB_WSTRUST) == ACB_WSTRUST) ||
3956 ( (acct_ctrl & ACB_SVRTRUST) == ACB_SVRTRUST) ) {
3957 DEBUG(5, ("Changing trust account. Not updating /etc/passwd\n"));
3958 } else {
3959 /* update the UNIX password */
3960 if (lp_unix_password_sync() ) {
3961 struct passwd *passwd;
3962 if (pdb_get_username(pwd) == NULL) {
3963 DEBUG(1, ("chgpasswd: User without name???\n"));
3964 return NT_STATUS_ACCESS_DENIED;
3965 }
3966
3967 passwd = Get_Pwnam_alloc(pwd, pdb_get_username(pwd));
3968 if (passwd == NULL) {
3969 DEBUG(1, ("chgpasswd: Username does not exist in system !?!\n"));
3970 }
3971
3972 if(!chgpasswd(pdb_get_username(pwd), passwd, "", plaintext_buf, True)) {
3973 return NT_STATUS_ACCESS_DENIED;
3974 }
3975 TALLOC_FREE(passwd);
3976 }
3977 }
3978
3979 memset(plaintext_buf, '\0', strlen(plaintext_buf));
3980
3981 if (IS_SAM_CHANGED(pwd, PDB_GROUPSID) &&
3982 (!NT_STATUS_IS_OK(status = pdb_set_unix_primary_group(mem_ctx,
3983 pwd)))) {
3984 return status;
3985 }
3986
3987 if(!NT_STATUS_IS_OK(status = pdb_update_sam_account(pwd))) {
3988 return status;
3989 }
3990
3991 return NT_STATUS_OK;
3992 }
3993
3994 /*******************************************************************
3995 set_user_info_pw
3996 ********************************************************************/
3997
3998 static bool set_user_info_pw(uint8 *pass, struct samu *pwd,
3999 int level)
4000 {
4001 uint32 len = 0;
4002 char *plaintext_buf = NULL;
4003 uint32 acct_ctrl;
4004 time_t last_set_time;
4005 enum pdb_value_state last_set_state;
4006
4007 DEBUG(5, ("Attempting administrator password change for user %s\n",
4008 pdb_get_username(pwd)));
4009
4010 acct_ctrl = pdb_get_acct_ctrl(pwd);
4011 /* we need to know if it's expired, because this is an admin change, not a
4012 user change, so it's still expired when we're done */
4013 last_set_state = pdb_get_init_flags(pwd, PDB_PASSLASTSET);
4014 last_set_time = pdb_get_pass_last_set_time(pwd);
4015
4016 if (!decode_pw_buffer(talloc_tos(),
4017 pass,
4018 &plaintext_buf,
4019 &len,
4020 STR_UNICODE)) {
4021 return False;
4022 }
4023
4024 if (!pdb_set_plaintext_passwd (pwd, plaintext_buf)) {
4025 return False;
4026 }
4027
4028 /* if it's a trust account, don't update /etc/passwd */
4029 if ( ( (acct_ctrl & ACB_DOMTRUST) == ACB_DOMTRUST ) ||
4030 ( (acct_ctrl & ACB_WSTRUST) == ACB_WSTRUST) ||
4031 ( (acct_ctrl & ACB_SVRTRUST) == ACB_SVRTRUST) ) {
4032 DEBUG(5, ("Changing trust account or non-unix-user password, not updating /etc/passwd\n"));
4033 } else {
4034 /* update the UNIX password */
4035 if (lp_unix_password_sync()) {
4036 struct passwd *passwd;
4037
4038 if (pdb_get_username(pwd) == NULL) {
4039 DEBUG(1, ("chgpasswd: User without name???\n"));
4040 return False;
4041 }
4042
4043 passwd = Get_Pwnam_alloc(pwd, pdb_get_username(pwd));
4044 if (passwd == NULL) {
4045 DEBUG(1, ("chgpasswd: Username does not exist in system !?!\n"));
4046 }
4047
4048 if(!chgpasswd(pdb_get_username(pwd), passwd, "", plaintext_buf, True)) {
4049 return False;
4050 }
4051 TALLOC_FREE(passwd);
4052 }
4053 }
4054
4055 memset(plaintext_buf, '\0', strlen(plaintext_buf));
4056
4057 /*
4058 * A level 25 change does reset the pwdlastset field, a level 24
4059 * change does not. I know this is probably not the full story, but
4060 * it is needed to make XP join LDAP correctly, without it the later
4061 * auth2 check can fail with PWD_MUST_CHANGE.
4062 */
4063 if (level != 25) {
4064 /*
4065 * restore last set time as this is an admin change, not a
4066 * user pw change
4067 */
4068 pdb_set_pass_last_set_time (pwd, last_set_time,
4069 last_set_state);
4070 }
4071
4072 DEBUG(5,("set_user_info_pw: pdb_update_pwd()\n"));
4073
4074 /* update the SAMBA password */
4075 if(!NT_STATUS_IS_OK(pdb_update_sam_account(pwd))) {
4076 return False;
4077 }
4078
4079 return True;
4080 }
4081
4082 /*******************************************************************
4083 set_user_info_25
4084 ********************************************************************/
4085
4086 static NTSTATUS set_user_info_25(TALLOC_CTX *mem_ctx,
4087 struct samr_UserInfo25 *id25,
4088 struct samu *pwd)
4089 {
4090 NTSTATUS status;
4091
4092 if (id25 == NULL) {
4093 DEBUG(5, ("set_user_info_25: NULL id25\n"));
4094 return NT_STATUS_INVALID_PARAMETER;
4095 }
4096
4097 if (id25->info.fields_present & SAMR_FIELD_LAST_PWD_CHANGE) {
4098 return NT_STATUS_ACCESS_DENIED;
4099 }
4100
4101 copy_id25_to_sam_passwd(pwd, id25);
4102
4103 /* write the change out */
4104 if(!NT_STATUS_IS_OK(status = pdb_update_sam_account(pwd))) {
4105 return status;
4106 }
4107
4108 /*
4109 * We need to "pdb_update_sam_account" before the unix primary group
4110 * is set, because the idealx scripts would also change the
4111 * sambaPrimaryGroupSid using the ldap replace method. pdb_ldap uses
4112 * the delete explicit / add explicit, which would then fail to find
4113 * the previous primaryGroupSid value.
4114 */
4115
4116 if ( IS_SAM_CHANGED(pwd, PDB_GROUPSID) ) {
4117 status = pdb_set_unix_primary_group(mem_ctx, pwd);
4118 if ( !NT_STATUS_IS_OK(status) ) {
4119 return status;
4120 }
4121 }
4122
4123 return NT_STATUS_OK;
4124 }
4125
4126 /*******************************************************************
4127 samr_SetUserInfo
4128 ********************************************************************/
4129
4130 NTSTATUS _samr_SetUserInfo(pipes_struct *p,
4131 struct samr_SetUserInfo *r)
4132 {
4133 NTSTATUS status;
4134 struct samu *pwd = NULL;
4135 DOM_SID sid;
4136 POLICY_HND *pol = r->in.user_handle;
4137 union samr_UserInfo *info = r->in.info;
4138 uint16_t switch_value = r->in.level;
4139 uint32_t acc_granted;
4140 uint32_t acc_required;
4141 bool ret;
4142 bool has_enough_rights = False;
4143 uint32_t acb_info;
4144 DISP_INFO *disp_info = NULL;
4145
4146 DEBUG(5,("_samr_SetUserInfo: %d\n", __LINE__));
4147
4148 /* find the policy handle. open a policy on it. */
4149 if (!get_lsa_policy_samr_sid(p, pol, &sid, &acc_granted, &disp_info)) {
4150 return NT_STATUS_INVALID_HANDLE;
4151 }
4152
4153 /* This is tricky. A WinXP domain join sets
4154 (SAMR_USER_ACCESS_SET_PASSWORD|SAMR_USER_ACCESS_SET_ATTRIBUTES|SAMR_USER_ACCESS_GET_ATTRIBUTES)
4155 The MMC lusrmgr plugin includes these perms and more in the SamrOpenUser(). But the
4156 standard Win32 API calls just ask for SAMR_USER_ACCESS_SET_PASSWORD in the SamrOpenUser().
4157 This should be enough for levels 18, 24, 25,& 26. Info level 23 can set more so
4158 we'll use the set from the WinXP join as the basis. */
4159
4160 switch (switch_value) {
4161 case 18:
4162 case 24:
4163 case 25:
4164 case 26:
4165 acc_required = SAMR_USER_ACCESS_SET_PASSWORD;
4166 break;
4167 default:
4168 acc_required = SAMR_USER_ACCESS_SET_PASSWORD |
4169 SAMR_USER_ACCESS_SET_ATTRIBUTES |
4170 SAMR_USER_ACCESS_GET_ATTRIBUTES;
4171 break;
4172 }
4173
4174 status = access_check_samr_function(acc_granted,
4175 acc_required,
4176 "_samr_SetUserInfo");
4177 if (!NT_STATUS_IS_OK(status)) {
4178 return status;
4179 }
4180
4181 DEBUG(5, ("_samr_SetUserInfo: sid:%s, level:%d\n",
4182 sid_string_dbg(&sid), switch_value));
4183
4184 if (info == NULL) {
4185 DEBUG(5, ("_samr_SetUserInfo: NULL info level\n"));
4186 return NT_STATUS_INVALID_INFO_CLASS;
4187 }
4188
4189 if (!(pwd = samu_new(NULL))) {
4190 return NT_STATUS_NO_MEMORY;
4191 }
4192
4193 become_root();
4194 ret = pdb_getsampwsid(pwd, &sid);
4195 unbecome_root();
4196
4197 if (!ret) {
4198 TALLOC_FREE(pwd);
4199 return NT_STATUS_NO_SUCH_USER;
4200 }
4201
4202 /* deal with machine password changes differently from userinfo changes */
4203 /* check to see if we have the sufficient rights */
4204
4205 acb_info = pdb_get_acct_ctrl(pwd);
4206 if (acb_info & ACB_WSTRUST)
4207 has_enough_rights = user_has_privileges(p->pipe_user.nt_user_token,
4208 &se_machine_account);
4209 else if (acb_info & ACB_NORMAL)
4210 has_enough_rights = user_has_privileges(p->pipe_user.nt_user_token,
4211 &se_add_users);
4212 else if (acb_info & (ACB_SVRTRUST|ACB_DOMTRUST)) {
4213 if (lp_enable_privileges()) {
4214 has_enough_rights = nt_token_check_domain_rid(p->pipe_user.nt_user_token,
4215 DOMAIN_GROUP_RID_ADMINS);
4216 }
4217 }
4218
4219 DEBUG(5, ("_samr_SetUserInfo: %s does%s possess sufficient rights\n",
4220 uidtoname(p->pipe_user.ut.uid),
4221 has_enough_rights ? "" : " not"));
4222
4223 /* ================ BEGIN SeMachineAccountPrivilege BLOCK ================ */
4224
4225 if (has_enough_rights) {
4226 become_root();
4227 }
4228
4229 /* ok! user info levels (lots: see MSDEV help), off we go... */
4230
4231 switch (switch_value) {
4232
4233 case 7:
4234 status = set_user_info_7(p->mem_ctx,
4235 &info->info7, pwd);
4236 break;
4237
4238 case 16:
4239 if (!set_user_info_16(&info->info16, pwd)) {
4240 status = NT_STATUS_ACCESS_DENIED;
4241 }
4242 break;
4243
4244 case 18:
4245 /* Used by AS/U JRA. */
4246 if (!set_user_info_18(&info->info18, pwd)) {
4247 status = NT_STATUS_ACCESS_DENIED;
4248 }
4249 break;
4250
4251 case 20:
4252 if (!set_user_info_20(&info->info20, pwd)) {
4253 status = NT_STATUS_ACCESS_DENIED;
4254 }
4255 break;
4256
4257 case 21:
4258 status = set_user_info_21(p->mem_ctx,
4259 &info->info21, pwd);
4260 break;
4261
4262 case 23:
4263 if (!p->server_info->user_session_key.length) {
4264 status = NT_STATUS_NO_USER_SESSION_KEY;
4265 }
4266 SamOEMhashBlob(info->info23.password.data, 516,
4267 &p->server_info->user_session_key);
4268
4269 dump_data(100, info->info23.password.data, 516);
4270
4271 status = set_user_info_23(p->mem_ctx,
4272 &info->info23, pwd);
4273 break;
4274
4275 case 24:
4276 if (!p->server_info->user_session_key.length) {
4277 status = NT_STATUS_NO_USER_SESSION_KEY;
4278 }
4279 SamOEMhashBlob(info->info24.password.data,
4280 516,
4281 &p->server_info->user_session_key);
4282
4283 dump_data(100, info->info24.password.data, 516);
4284
4285 if (!set_user_info_pw(info->info24.password.data, pwd,
4286 switch_value)) {
4287 status = NT_STATUS_WRONG_PASSWORD;
4288 }
4289 break;
4290
4291 case 25:
4292 if (!p->server_info->user_session_key.length) {
4293 status = NT_STATUS_NO_USER_SESSION_KEY;
4294 }
4295 encode_or_decode_arc4_passwd_buffer(
4296 info->info25.password.data,
4297 &p->server_info->user_session_key);
4298
4299 dump_data(100, info->info25.password.data, 532);
4300
4301 status = set_user_info_25(p->mem_ctx,
4302 &info->info25, pwd);
4303 if (!NT_STATUS_IS_OK(status)) {
4304 goto done;
4305 }
4306 if (!set_user_info_pw(info->info25.password.data, pwd,
4307 switch_value)) {
4308 status = NT_STATUS_WRONG_PASSWORD;
4309 }
4310 break;
4311
4312 case 26:
4313 if (!p->server_info->user_session_key.length) {
4314 status = NT_STATUS_NO_USER_SESSION_KEY;
4315 }
4316 encode_or_decode_arc4_passwd_buffer(
4317 info->info26.password.data,
4318 &p->server_info->user_session_key);
4319
4320 dump_data(100, info->info26.password.data, 516);
4321
4322 if (!set_user_info_pw(info->info26.password.data, pwd,
4323 switch_value)) {
4324 status = NT_STATUS_WRONG_PASSWORD;
4325 }
4326 break;
4327
4328 default:
4329 status = NT_STATUS_INVALID_INFO_CLASS;
4330 }
4331
4332 done:
4333
4334 TALLOC_FREE(pwd);
4335
4336 if (has_enough_rights) {
4337 unbecome_root();
4338 }
4339
4340 /* ================ END SeMachineAccountPrivilege BLOCK ================ */
4341
4342 if (NT_STATUS_IS_OK(status)) {
4343 force_flush_samr_cache(disp_info);
4344 }
4345
4346 return status;
4347 }
4348
4349 /*******************************************************************
4350 _samr_SetUserInfo2
4351 ********************************************************************/
4352
4353 NTSTATUS _samr_SetUserInfo2(pipes_struct *p,
4354 struct samr_SetUserInfo2 *r)
4355 {
4356 struct samr_SetUserInfo q;
4357
4358 q.in.user_handle = r->in.user_handle;
4359 q.in.level = r->in.level;
4360 q.in.info = r->in.info;
4361
4362 return _samr_SetUserInfo(p, &q);
4363 }
4364
4365 /*********************************************************************
4366 _samr_GetAliasMembership
4367 *********************************************************************/
4368
4369 NTSTATUS _samr_GetAliasMembership(pipes_struct *p,
4370 struct samr_GetAliasMembership *r)
4371 {
4372 size_t num_alias_rids;
4373 uint32 *alias_rids;
4374 struct samr_info *info = NULL;
4375 size_t i;
4376
4377 NTSTATUS ntstatus1;
4378 NTSTATUS ntstatus2;
4379
4380 DOM_SID *members;
4381
4382 DEBUG(5,("_samr_GetAliasMembership: %d\n", __LINE__));
4383
4384 /* find the policy handle. open a policy on it. */
4385 if (!find_policy_by_hnd(p, r->in.domain_handle, (void **)(void *)&info))
4386 return NT_STATUS_INVALID_HANDLE;
4387
4388 ntstatus1 = access_check_samr_function(info->acc_granted,
4389 SAMR_DOMAIN_ACCESS_LOOKUP_ALIAS,
4390 "_samr_GetAliasMembership");
4391 ntstatus2 = access_check_samr_function(info->acc_granted,
4392 SAMR_DOMAIN_ACCESS_OPEN_ACCOUNT,
4393 "_samr_GetAliasMembership");
4394
4395 if (!NT_STATUS_IS_OK(ntstatus1) || !NT_STATUS_IS_OK(ntstatus2)) {
4396 if (!(NT_STATUS_EQUAL(ntstatus1,NT_STATUS_ACCESS_DENIED) && NT_STATUS_IS_OK(ntstatus2)) &&
4397 !(NT_STATUS_EQUAL(ntstatus1,NT_STATUS_ACCESS_DENIED) && NT_STATUS_IS_OK(ntstatus1))) {
4398 return (NT_STATUS_IS_OK(ntstatus1)) ? ntstatus2 : ntstatus1;
4399 }
4400 }
4401
4402 if (!sid_check_is_domain(&info->sid) &&
4403 !sid_check_is_builtin(&info->sid))
4404 return NT_STATUS_OBJECT_TYPE_MISMATCH;
4405
4406 if (r->in.sids->num_sids) {
4407 members = TALLOC_ARRAY(p->mem_ctx, DOM_SID, r->in.sids->num_sids);
4408
4409 if (members == NULL)
4410 return NT_STATUS_NO_MEMORY;
4411 } else {
4412 members = NULL;
4413 }
4414
4415 for (i=0; i<r->in.sids->num_sids; i++)
4416 sid_copy(&members[i], r->in.sids->sids[i].sid);
4417
4418 alias_rids = NULL;
4419 num_alias_rids = 0;
4420
4421 become_root();
4422 ntstatus1 = pdb_enum_alias_memberships(p->mem_ctx, &info->sid, members,
4423 r->in.sids->num_sids,
4424 &alias_rids, &num_alias_rids);
4425 unbecome_root();
4426
4427 if (!NT_STATUS_IS_OK(ntstatus1)) {
4428 return ntstatus1;
4429 }
4430
4431 r->out.rids->count = num_alias_rids;
4432 r->out.rids->ids = alias_rids;
4433
4434 return NT_STATUS_OK;
4435 }
4436
4437 /*********************************************************************
4438 _samr_GetMembersInAlias
4439 *********************************************************************/
4440
4441 NTSTATUS _samr_GetMembersInAlias(pipes_struct *p,
4442 struct samr_GetMembersInAlias *r)
4443 {
4444 NTSTATUS status;
4445 size_t i;
4446 size_t num_sids = 0;
4447 struct lsa_SidPtr *sids = NULL;
4448 DOM_SID *pdb_sids = NULL;
4449
4450 DOM_SID alias_sid;
4451
4452 uint32 acc_granted;
4453
4454 /* find the policy handle. open a policy on it. */
4455 if (!get_lsa_policy_samr_sid(p, r->in.alias_handle, &alias_sid, &acc_granted, NULL))
4456 return NT_STATUS_INVALID_HANDLE;
4457
4458 status = access_check_samr_function(acc_granted,
4459 SAMR_ALIAS_ACCESS_GET_MEMBERS,
4460 "_samr_GetMembersInAlias");
4461 if (!NT_STATUS_IS_OK(status)) {
4462 return status;
4463 }
4464
4465 DEBUG(10, ("sid is %s\n", sid_string_dbg(&alias_sid)));
4466
4467 become_root();
4468 status = pdb_enum_aliasmem(&alias_sid, &pdb_sids, &num_sids);
4469 unbecome_root();
4470
4471 if (!NT_STATUS_IS_OK(status)) {
4472 return status;
4473 }
4474
4475 if (num_sids) {
4476 sids = TALLOC_ZERO_ARRAY(p->mem_ctx, struct lsa_SidPtr, num_sids);
4477 if (sids == NULL) {
4478 TALLOC_FREE(pdb_sids);
4479 return NT_STATUS_NO_MEMORY;
4480 }
4481 }
4482
4483 for (i = 0; i < num_sids; i++) {
4484 sids[i].sid = sid_dup_talloc(p->mem_ctx, &pdb_sids[i]);
4485 if (!sids[i].sid) {
4486 TALLOC_FREE(pdb_sids);
4487 return NT_STATUS_NO_MEMORY;
4488 }
4489 }
4490
4491 r->out.sids->num_sids = num_sids;
4492 r->out.sids->sids = sids;
4493
4494 TALLOC_FREE(pdb_sids);
4495
4496 return NT_STATUS_OK;
4497 }
4498
4499 /*********************************************************************
4500 _samr_QueryGroupMember
4501 *********************************************************************/
4502
4503 NTSTATUS _samr_QueryGroupMember(pipes_struct *p,
4504 struct samr_QueryGroupMember *r)
4505 {
4506 DOM_SID group_sid;
4507 size_t i, num_members;
4508
4509 uint32 *rid=NULL;
4510 uint32 *attr=NULL;
4511
4512 uint32 acc_granted;
4513
4514 NTSTATUS status;
4515 struct samr_RidTypeArray *rids = NULL;
4516
4517 rids = TALLOC_ZERO_P(p->mem_ctx, struct samr_RidTypeArray);
4518 if (!rids) {
4519 return NT_STATUS_NO_MEMORY;
4520 }
4521
4522 /* find the policy handle. open a policy on it. */
4523 if (!get_lsa_policy_samr_sid(p, r->in.group_handle, &group_sid, &acc_granted, NULL))
4524 return NT_STATUS_INVALID_HANDLE;
4525
4526 status = access_check_samr_function(acc_granted,
4527 SAMR_GROUP_ACCESS_GET_MEMBERS,
4528 "_samr_QueryGroupMember");
4529 if (!NT_STATUS_IS_OK(status)) {
4530 return status;
4531 }
4532
4533 DEBUG(10, ("sid is %s\n", sid_string_dbg(&group_sid)));
4534
4535 if (!sid_check_is_in_our_domain(&group_sid)) {
4536 DEBUG(3, ("sid %s is not in our domain\n",
4537 sid_string_dbg(&group_sid)));
4538 return NT_STATUS_NO_SUCH_GROUP;
4539 }
4540
4541 DEBUG(10, ("lookup on Domain SID\n"));
4542
4543 become_root();
4544 status = pdb_enum_group_members(p->mem_ctx, &group_sid,
4545 &rid, &num_members);
4546 unbecome_root();
4547
4548 if (!NT_STATUS_IS_OK(status))
4549 return status;
4550
4551 if (num_members) {
4552 attr=TALLOC_ZERO_ARRAY(p->mem_ctx, uint32, num_members);
4553 if (attr == NULL) {
4554 return NT_STATUS_NO_MEMORY;
4555 }
4556 } else {
4557 attr = NULL;
4558 }
4559
4560 for (i=0; i<num_members; i++)
4561 attr[i] = SID_NAME_USER;
4562
4563 rids->count = num_members;
4564 rids->types = attr;
4565 rids->rids = rid;
4566
4567 *r->out.rids = rids;
4568
4569 return NT_STATUS_OK;
4570 }
4571
4572 /*********************************************************************
4573 _samr_AddAliasMember
4574 *********************************************************************/
4575
4576 NTSTATUS _samr_AddAliasMember(pipes_struct *p,
4577 struct samr_AddAliasMember *r)
4578 {
4579 DOM_SID alias_sid;
4580 uint32 acc_granted;
4581 SE_PRIV se_rights;
4582 bool can_add_accounts;
4583 NTSTATUS status;
4584 DISP_INFO *disp_info = NULL;
4585
4586 /* Find the policy handle. Open a policy on it. */
4587 if (!get_lsa_policy_samr_sid(p, r->in.alias_handle, &alias_sid, &acc_granted, &disp_info))
4588 return NT_STATUS_INVALID_HANDLE;
4589
4590 status = access_check_samr_function(acc_granted,
4591 SAMR_ALIAS_ACCESS_ADD_MEMBER,
4592 "_samr_AddAliasMember");
4593 if (!NT_STATUS_IS_OK(status)) {
4594 return status;
4595 }
4596
4597 DEBUG(10, ("sid is %s\n", sid_string_dbg(&alias_sid)));
4598
4599 se_priv_copy( &se_rights, &se_add_users );
4600 can_add_accounts = user_has_privileges( p->pipe_user.nt_user_token, &se_rights );
4601
4602 /******** BEGIN SeAddUsers BLOCK *********/
4603
4604 if ( can_add_accounts )
4605 become_root();
4606
4607 status = pdb_add_aliasmem(&alias_sid, r->in.sid);
4608
4609 if ( can_add_accounts )
4610 unbecome_root();
4611
4612 /******** END SeAddUsers BLOCK *********/
4613
4614 if (NT_STATUS_IS_OK(status)) {
4615 force_flush_samr_cache(disp_info);
4616 }
4617
4618 return status;
4619 }
4620
4621 /*********************************************************************
4622 _samr_DeleteAliasMember
4623 *********************************************************************/
4624
4625 NTSTATUS _samr_DeleteAliasMember(pipes_struct *p,
4626 struct samr_DeleteAliasMember *r)
4627 {
4628 DOM_SID alias_sid;
4629 uint32 acc_granted;
4630 SE_PRIV se_rights;
4631 bool can_add_accounts;
4632 NTSTATUS status;
4633 DISP_INFO *disp_info = NULL;
4634
4635 /* Find the policy handle. Open a policy on it. */
4636 if (!get_lsa_policy_samr_sid(p, r->in.alias_handle, &alias_sid, &acc_granted, &disp_info))
4637 return NT_STATUS_INVALID_HANDLE;
4638
4639 status = access_check_samr_function(acc_granted,
4640 SAMR_ALIAS_ACCESS_REMOVE_MEMBER,
4641 "_samr_DeleteAliasMember");
4642 if (!NT_STATUS_IS_OK(status)) {
4643 return status;
4644 }
4645
4646 DEBUG(10, ("_samr_del_aliasmem:sid is %s\n",
4647 sid_string_dbg(&alias_sid)));
4648
4649 se_priv_copy( &se_rights, &se_add_users );
4650 can_add_accounts = user_has_privileges( p->pipe_user.nt_user_token, &se_rights );
4651
4652 /******** BEGIN SeAddUsers BLOCK *********/
4653
4654 if ( can_add_accounts )
4655 become_root();
4656
4657 status = pdb_del_aliasmem(&alias_sid, r->in.sid);
4658
4659 if ( can_add_accounts )
4660 unbecome_root();
4661
4662 /******** END SeAddUsers BLOCK *********/
4663
4664 if (NT_STATUS_IS_OK(status)) {
4665 force_flush_samr_cache(disp_info);
4666 }
4667
4668 return status;
4669 }
4670
4671 /*********************************************************************
4672 _samr_AddGroupMember
4673 *********************************************************************/
4674
4675 NTSTATUS _samr_AddGroupMember(pipes_struct *p,
4676 struct samr_AddGroupMember *r)
4677 {
4678 NTSTATUS status;
4679 DOM_SID group_sid;
4680 uint32 group_rid;
4681 uint32 acc_granted;
4682 SE_PRIV se_rights;
4683 bool can_add_accounts;
4684 DISP_INFO *disp_info = NULL;
4685
4686 /* Find the policy handle. Open a policy on it. */
4687 if (!get_lsa_policy_samr_sid(p, r->in.group_handle, &group_sid, &acc_granted, &disp_info))
4688 return NT_STATUS_INVALID_HANDLE;
4689
4690 status = access_check_samr_function(acc_granted,
4691 SAMR_GROUP_ACCESS_ADD_MEMBER,
4692 "_samr_AddGroupMember");
4693 if (!NT_STATUS_IS_OK(status)) {
4694 return status;
4695 }
4696
4697 DEBUG(10, ("sid is %s\n", sid_string_dbg(&group_sid)));
4698
4699 if (!sid_peek_check_rid(get_global_sam_sid(), &group_sid,
4700 &group_rid)) {
4701 return NT_STATUS_INVALID_HANDLE;
4702 }
4703
4704 se_priv_copy( &se_rights, &se_add_users );
4705 can_add_accounts = user_has_privileges( p->pipe_user.nt_user_token, &se_rights );
4706
4707 /******** BEGIN SeAddUsers BLOCK *********/
4708
4709 if ( can_add_accounts )
4710 become_root();
4711
4712 status = pdb_add_groupmem(p->mem_ctx, group_rid, r->in.rid);
4713
4714 if ( can_add_accounts )
4715 unbecome_root();
4716
4717 /******** END SeAddUsers BLOCK *********/
4718
4719 force_flush_samr_cache(disp_info);
4720
4721 return status;
4722 }
4723
4724 /*********************************************************************
4725 _samr_DeleteGroupMember
4726 *********************************************************************/
4727
4728 NTSTATUS _samr_DeleteGroupMember(pipes_struct *p,
4729 struct samr_DeleteGroupMember *r)
4730
4731 {
4732 NTSTATUS status;
4733 DOM_SID group_sid;
4734 uint32 group_rid;
4735 uint32 acc_granted;
4736 SE_PRIV se_rights;
4737 bool can_add_accounts;
4738 DISP_INFO *disp_info = NULL;
4739
4740 /*
4741 * delete the group member named r->in.rid
4742 * who is a member of the sid associated with the handle
4743 * the rid is a user's rid as the group is a domain group.
4744 */
4745
4746 /* Find the policy handle. Open a policy on it. */
4747 if (!get_lsa_policy_samr_sid(p, r->in.group_handle, &group_sid, &acc_granted, &disp_info))
4748 return NT_STATUS_INVALID_HANDLE;
4749
4750 status = access_check_samr_function(acc_granted,
4751 SAMR_GROUP_ACCESS_REMOVE_MEMBER,
4752 "_samr_DeleteGroupMember");
4753 if (!NT_STATUS_IS_OK(status)) {
4754 return status;
4755 }
4756
4757 if (!sid_peek_check_rid(get_global_sam_sid(), &group_sid,
4758 &group_rid)) {
4759 return NT_STATUS_INVALID_HANDLE;
4760 }
4761
4762 se_priv_copy( &se_rights, &se_add_users );
4763 can_add_accounts = user_has_privileges( p->pipe_user.nt_user_token, &se_rights );
4764
4765 /******** BEGIN SeAddUsers BLOCK *********/
4766
4767 if ( can_add_accounts )
4768 become_root();
4769
4770 status = pdb_del_groupmem(p->mem_ctx, group_rid, r->in.rid);
4771
4772 if ( can_add_accounts )
4773 unbecome_root();
4774
4775 /******** END SeAddUsers BLOCK *********/
4776
4777 force_flush_samr_cache(disp_info);
4778
4779 return status;
4780 }
4781
4782 /*********************************************************************
4783 _samr_DeleteUser
4784 *********************************************************************/
4785
4786 NTSTATUS _samr_DeleteUser(pipes_struct *p,
4787 struct samr_DeleteUser *r)
4788 {
4789 NTSTATUS status;
4790 DOM_SID user_sid;
4791 struct samu *sam_pass=NULL;
4792 uint32 acc_granted;
4793 bool can_add_accounts;
4794 uint32 acb_info;
4795 DISP_INFO *disp_info = NULL;
4796 bool ret;
4797
4798 DEBUG(5, ("_samr_DeleteUser: %d\n", __LINE__));
4799
4800 /* Find the policy handle. Open a policy on it. */
4801 if (!get_lsa_policy_samr_sid(p, r->in.user_handle, &user_sid, &acc_granted, &disp_info))
4802 return NT_STATUS_INVALID_HANDLE;
4803
4804 status = access_check_samr_function(acc_granted,
4805 STD_RIGHT_DELETE_ACCESS,
4806 "_samr_DeleteUser");
4807 if (!NT_STATUS_IS_OK(status)) {
4808 return status;
4809 }
4810
4811 if (!sid_check_is_in_our_domain(&user_sid))
4812 return NT_STATUS_CANNOT_DELETE;
4813
4814 /* check if the user exists before trying to delete */
4815 if ( !(sam_pass = samu_new( NULL )) ) {
4816 return NT_STATUS_NO_MEMORY;
4817 }
4818
4819 become_root();
4820 ret = pdb_getsampwsid(sam_pass, &user_sid);
4821 unbecome_root();
4822
4823 if( !ret ) {
4824 DEBUG(5,("_samr_DeleteUser: User %s doesn't exist.\n",
4825 sid_string_dbg(&user_sid)));
4826 TALLOC_FREE(sam_pass);
4827 return NT_STATUS_NO_SUCH_USER;
4828 }
4829
4830 acb_info = pdb_get_acct_ctrl(sam_pass);
4831
4832 /* For machine accounts it's the SeMachineAccountPrivilege that counts. */
4833 if ( acb_info & ACB_WSTRUST ) {
4834 can_add_accounts = user_has_privileges( p->pipe_user.nt_user_token, &se_machine_account );
4835 } else {
4836 can_add_accounts = user_has_privileges( p->pipe_user.nt_user_token, &se_add_users );
4837 }
4838
4839 /******** BEGIN SeAddUsers BLOCK *********/
4840
4841 if ( can_add_accounts )
4842 become_root();
4843
4844 status = pdb_delete_user(p->mem_ctx, sam_pass);
4845
4846 if ( can_add_accounts )
4847 unbecome_root();
4848
4849 /******** END SeAddUsers BLOCK *********/
4850
4851 if ( !NT_STATUS_IS_OK(status) ) {
4852 DEBUG(5,("_samr_DeleteUser: Failed to delete entry for "
4853 "user %s: %s.\n", pdb_get_username(sam_pass),
4854 nt_errstr(status)));
4855 TALLOC_FREE(sam_pass);
4856 return status;
4857 }
4858
4859
4860 TALLOC_FREE(sam_pass);
4861
4862 if (!close_policy_hnd(p, r->in.user_handle))
4863 return NT_STATUS_OBJECT_NAME_INVALID;
4864
4865 ZERO_STRUCTP(r->out.user_handle);
4866
4867 force_flush_samr_cache(disp_info);
4868
4869 return NT_STATUS_OK;
4870 }
4871
4872 /*********************************************************************
4873 _samr_DeleteDomainGroup
4874 *********************************************************************/
4875
4876 NTSTATUS _samr_DeleteDomainGroup(pipes_struct *p,
4877 struct samr_DeleteDomainGroup *r)
4878 {
4879 NTSTATUS status;
4880 DOM_SID group_sid;
4881 uint32 group_rid;
4882 uint32 acc_granted;
4883 SE_PRIV se_rights;
4884 bool can_add_accounts;
4885 DISP_INFO *disp_info = NULL;
4886
4887 DEBUG(5, ("samr_DeleteDomainGroup: %d\n", __LINE__));
4888
4889 /* Find the policy handle. Open a policy on it. */
4890 if (!get_lsa_policy_samr_sid(p, r->in.group_handle, &group_sid, &acc_granted, &disp_info))
4891 return NT_STATUS_INVALID_HANDLE;
4892
4893 status = access_check_samr_function(acc_granted,
4894 STD_RIGHT_DELETE_ACCESS,
4895 "_samr_DeleteDomainGroup");
4896 if (!NT_STATUS_IS_OK(status)) {
4897 return status;
4898 }
4899
4900 DEBUG(10, ("sid is %s\n", sid_string_dbg(&group_sid)));
4901
4902 if (!sid_peek_check_rid(get_global_sam_sid(), &group_sid,
4903 &group_rid)) {
4904 return NT_STATUS_NO_SUCH_GROUP;
4905 }
4906
4907 se_priv_copy( &se_rights, &se_add_users );
4908 can_add_accounts = user_has_privileges( p->pipe_user.nt_user_token, &se_rights );
4909
4910 /******** BEGIN SeAddUsers BLOCK *********/
4911
4912 if ( can_add_accounts )
4913 become_root();
4914
4915 status = pdb_delete_dom_group(p->mem_ctx, group_rid);
4916
4917 if ( can_add_accounts )
4918 unbecome_root();
4919
4920 /******** END SeAddUsers BLOCK *********/
4921
4922 if ( !NT_STATUS_IS_OK(status) ) {
4923 DEBUG(5,("_samr_DeleteDomainGroup: Failed to delete mapping "
4924 "entry for group %s: %s\n",
4925 sid_string_dbg(&group_sid),
4926 nt_errstr(status)));
4927 return status;
4928 }
4929
4930 if (!close_policy_hnd(p, r->in.group_handle))
4931 return NT_STATUS_OBJECT_NAME_INVALID;
4932
4933 force_flush_samr_cache(disp_info);
4934
4935 return NT_STATUS_OK;
4936 }
4937
4938 /*********************************************************************
4939 _samr_DeleteDomAlias
4940 *********************************************************************/
4941
4942 NTSTATUS _samr_DeleteDomAlias(pipes_struct *p,
4943 struct samr_DeleteDomAlias *r)
4944 {
4945 DOM_SID alias_sid;
4946 uint32 acc_granted;
4947 SE_PRIV se_rights;
4948 bool can_add_accounts;
4949 NTSTATUS status;
4950 DISP_INFO *disp_info = NULL;
4951
4952 DEBUG(5, ("_samr_DeleteDomAlias: %d\n", __LINE__));
4953
4954 /* Find the policy handle. Open a policy on it. */
4955 if (!get_lsa_policy_samr_sid(p, r->in.alias_handle, &alias_sid, &acc_granted, &disp_info))
4956 return NT_STATUS_INVALID_HANDLE;
4957
4958 /* copy the handle to the outgoing reply */
4959
4960 memcpy(r->out.alias_handle, r->in.alias_handle, sizeof(r->out.alias_handle));
4961
4962 status = access_check_samr_function(acc_granted,
4963 STD_RIGHT_DELETE_ACCESS,
4964 "_samr_DeleteDomAlias");
4965 if (!NT_STATUS_IS_OK(status)) {
4966 return status;
4967 }
4968
4969 DEBUG(10, ("sid is %s\n", sid_string_dbg(&alias_sid)));
4970
4971 /* Don't let Windows delete builtin groups */
4972
4973 if ( sid_check_is_in_builtin( &alias_sid ) ) {
4974 return NT_STATUS_SPECIAL_ACCOUNT;
4975 }
4976
4977 if (!sid_check_is_in_our_domain(&alias_sid))
4978 return NT_STATUS_NO_SUCH_ALIAS;
4979
4980 DEBUG(10, ("lookup on Local SID\n"));
4981
4982 se_priv_copy( &se_rights, &se_add_users );
4983 can_add_accounts = user_has_privileges( p->pipe_user.nt_user_token, &se_rights );
4984
4985 /******** BEGIN SeAddUsers BLOCK *********/
4986
4987 if ( can_add_accounts )
4988 become_root();
4989
4990 /* Have passdb delete the alias */
4991 status = pdb_delete_alias(&alias_sid);
4992
4993 if ( can_add_accounts )
4994 unbecome_root();
4995
4996 /******** END SeAddUsers BLOCK *********/
4997
4998 if ( !NT_STATUS_IS_OK(status))
4999 return status;
5000
5001 if (!close_policy_hnd(p, r->in.alias_handle))
5002 return NT_STATUS_OBJECT_NAME_INVALID;
5003
5004 force_flush_samr_cache(disp_info);
5005
5006 return NT_STATUS_OK;
5007 }
5008
5009 /*********************************************************************
5010 _samr_CreateDomainGroup
5011 *********************************************************************/
5012
5013 NTSTATUS _samr_CreateDomainGroup(pipes_struct *p,
5014 struct samr_CreateDomainGroup *r)
5015
5016 {
5017 NTSTATUS status;
5018 DOM_SID dom_sid;
5019 DOM_SID info_sid;
5020 const char *name;
5021 struct samr_info *info;
5022 uint32 acc_granted;
5023 SE_PRIV se_rights;
5024 bool can_add_accounts;
5025 DISP_INFO *disp_info = NULL;
5026
5027 /* Find the policy handle. Open a policy on it. */
5028 if (!get_lsa_policy_samr_sid(p, r->in.domain_handle, &dom_sid, &acc_granted, &disp_info))
5029 return NT_STATUS_INVALID_HANDLE;
5030
5031 status = access_check_samr_function(acc_granted,
5032 SAMR_DOMAIN_ACCESS_CREATE_GROUP,
5033 "_samr_CreateDomainGroup");
5034 if (!NT_STATUS_IS_OK(status)) {
5035 return status;
5036 }
5037
5038 if (!sid_equal(&dom_sid, get_global_sam_sid()))
5039 return NT_STATUS_ACCESS_DENIED;
5040
5041 name = r->in.name->string;
5042 if (name == NULL) {
5043 return NT_STATUS_NO_MEMORY;
5044 }
5045
5046 status = can_create(p->mem_ctx, name);
5047 if (!NT_STATUS_IS_OK(status)) {
5048 return status;
5049 }
5050
5051 se_priv_copy( &se_rights, &se_add_users );
5052 can_add_accounts = user_has_privileges( p->pipe_user.nt_user_token, &se_rights );
5053
5054 /******** BEGIN SeAddUsers BLOCK *********/
5055
5056 if ( can_add_accounts )
5057 become_root();
5058
5059 /* check that we successfully create the UNIX group */
5060
5061 status = pdb_create_dom_group(p->mem_ctx, name, r->out.rid);
5062
5063 if ( can_add_accounts )
5064 unbecome_root();
5065
5066 /******** END SeAddUsers BLOCK *********/
5067
5068 /* check if we should bail out here */
5069
5070 if ( !NT_STATUS_IS_OK(status) )
5071 return status;
5072
5073 sid_compose(&info_sid, get_global_sam_sid(), *r->out.rid);
5074
5075 if ((info = get_samr_info_by_sid(&info_sid)) == NULL)
5076 return NT_STATUS_NO_MEMORY;
5077
5078 /* they created it; let the user do what he wants with it */
5079
5080 info->acc_granted = GENERIC_RIGHTS_GROUP_ALL_ACCESS;
5081
5082 /* get a (unique) handle. open a policy on it. */
5083 if (!create_policy_hnd(p, r->out.group_handle, free_samr_info, (void *)info))
5084 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
5085
5086 force_flush_samr_cache(disp_info);
5087
5088 return NT_STATUS_OK;
5089 }
5090
5091 /*********************************************************************
5092 _samr_CreateDomAlias
5093 *********************************************************************/
5094
5095 NTSTATUS _samr_CreateDomAlias(pipes_struct *p,
5096 struct samr_CreateDomAlias *r)
5097 {
5098 DOM_SID dom_sid;
5099 DOM_SID info_sid;
5100 const char *name = NULL;
5101 struct samr_info *info;
5102 uint32 acc_granted;
5103 gid_t gid;
5104 NTSTATUS result;
5105 SE_PRIV se_rights;
5106 bool can_add_accounts;
5107 DISP_INFO *disp_info = NULL;
5108
5109 /* Find the policy handle. Open a policy on it. */
5110 if (!get_lsa_policy_samr_sid(p, r->in.domain_handle, &dom_sid, &acc_granted, &disp_info))
5111 return NT_STATUS_INVALID_HANDLE;
5112
5113 result = access_check_samr_function(acc_granted,
5114 SAMR_DOMAIN_ACCESS_CREATE_ALIAS,
5115 "_samr_CreateDomAlias");
5116 if (!NT_STATUS_IS_OK(result)) {
5117 return result;
5118 }
5119
5120 if (!sid_equal(&dom_sid, get_global_sam_sid()))
5121 return NT_STATUS_ACCESS_DENIED;
5122
5123 name = r->in.alias_name->string;
5124
5125 se_priv_copy( &se_rights, &se_add_users );
5126 can_add_accounts = user_has_privileges( p->pipe_user.nt_user_token, &se_rights );
5127
5128 result = can_create(p->mem_ctx, name);
5129 if (!NT_STATUS_IS_OK(result)) {
5130 return result;
5131 }
5132
5133 /******** BEGIN SeAddUsers BLOCK *********/
5134
5135 if ( can_add_accounts )
5136 become_root();
5137
5138 /* Have passdb create the alias */
5139 result = pdb_create_alias(name, r->out.rid);
5140
5141 if ( can_add_accounts )
5142 unbecome_root();
5143
5144 /******** END SeAddUsers BLOCK *********/
5145
5146 if (!NT_STATUS_IS_OK(result)) {
5147 DEBUG(10, ("pdb_create_alias failed: %s\n",
5148 nt_errstr(result)));
5149 return result;
5150 }
5151
5152 sid_copy(&info_sid, get_global_sam_sid());
5153 sid_append_rid(&info_sid, *r->out.rid);
5154
5155 if (!sid_to_gid(&info_sid, &gid)) {
5156 DEBUG(10, ("Could not find alias just created\n"));
5157 return NT_STATUS_ACCESS_DENIED;
5158 }
5159
5160 /* check if the group has been successfully created */
5161 if ( getgrgid(gid) == NULL ) {
5162 DEBUG(10, ("getgrgid(%d) of just created alias failed\n",
5163 gid));
5164 return NT_STATUS_ACCESS_DENIED;
5165 }
5166
5167 if ((info = get_samr_info_by_sid(&info_sid)) == NULL)
5168 return NT_STATUS_NO_MEMORY;
5169
5170 /* they created it; let the user do what he wants with it */
5171
5172 info->acc_granted = GENERIC_RIGHTS_ALIAS_ALL_ACCESS;
5173
5174 /* get a (unique) handle. open a policy on it. */
5175 if (!create_policy_hnd(p, r->out.alias_handle, free_samr_info, (void *)info))
5176 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
5177
5178 force_flush_samr_cache(disp_info);
5179
5180 return NT_STATUS_OK;
5181 }
5182
5183 /*********************************************************************
5184 _samr_QueryGroupInfo
5185 *********************************************************************/
5186
5187 NTSTATUS _samr_QueryGroupInfo(pipes_struct *p,
5188 struct samr_QueryGroupInfo *r)
5189 {
5190 NTSTATUS status;
5191 DOM_SID group_sid;
5192 GROUP_MAP map;
5193 union samr_GroupInfo *info = NULL;
5194 uint32 acc_granted;
5195 bool ret;
5196 uint32_t attributes = SE_GROUP_MANDATORY |
5197 SE_GROUP_ENABLED_BY_DEFAULT |
5198 SE_GROUP_ENABLED;
5199 const char *group_name = NULL;
5200 const char *group_description = NULL;
5201
5202 if (!get_lsa_policy_samr_sid(p, r->in.group_handle, &group_sid, &acc_granted, NULL))
5203 return NT_STATUS_INVALID_HANDLE;
5204
5205 status = access_check_samr_function(acc_granted,
5206 SAMR_GROUP_ACCESS_LOOKUP_INFO,
5207 "_samr_QueryGroupInfo");
5208 if (!NT_STATUS_IS_OK(status)) {
5209 return status;
5210 }
5211
5212 become_root();
5213 ret = get_domain_group_from_sid(group_sid, &map);
5214 unbecome_root();
5215 if (!ret)
5216 return NT_STATUS_INVALID_HANDLE;
5217
5218 /* FIXME: map contains fstrings */
5219 group_name = talloc_strdup(r, map.nt_name);
5220 group_description = talloc_strdup(r, map.comment);
5221
5222 info = TALLOC_ZERO_P(p->mem_ctx, union samr_GroupInfo);
5223 if (!info) {
5224 return NT_STATUS_NO_MEMORY;
5225 }
5226
5227 switch (r->in.level) {
5228 case 1: {
5229 uint32 *members;
5230 size_t num_members;
5231
5232 become_root();
5233 status = pdb_enum_group_members(
5234 p->mem_ctx, &group_sid, &members, &num_members);
5235 unbecome_root();
5236
5237 if (!NT_STATUS_IS_OK(status)) {
5238 return status;
5239 }
5240
5241 init_samr_group_info1(&info->all,
5242 group_name,
5243 attributes,
5244 num_members,
5245 group_description);
5246 break;
5247 }
5248 case 2:
5249 init_samr_group_info2(&info->name,
5250 group_name);
5251 break;
5252 case 3:
5253 init_samr_group_info3(&info->attributes,
5254 attributes);
5255 break;
5256 case 4:
5257 init_samr_group_info4(&info->description,
5258 group_description);
5259 break;
5260 case 5: {
5261 /*
5262 uint32 *members;
5263 size_t num_members;
5264 */
5265
5266 /*
5267 become_root();
5268 status = pdb_enum_group_members(
5269 p->mem_ctx, &group_sid, &members, &num_members);
5270 unbecome_root();
5271
5272 if (!NT_STATUS_IS_OK(status)) {
5273 return status;
5274 }
5275 */
5276 init_samr_group_info5(&info->all2,
5277 group_name,
5278 attributes,
5279 0, /* num_members - in w2k3 this is always 0 */
5280 group_description);
5281
5282 break;
5283 }
5284 default:
5285 return NT_STATUS_INVALID_INFO_CLASS;
5286 }
5287
5288 *r->out.info = info;
5289
5290 return NT_STATUS_OK;
5291 }
5292
5293 /*********************************************************************
5294 _samr_SetGroupInfo
5295 *********************************************************************/
5296
5297 NTSTATUS _samr_SetGroupInfo(pipes_struct *p,
5298 struct samr_SetGroupInfo *r)
5299 {
5300 DOM_SID group_sid;
5301 GROUP_MAP map;
5302 uint32 acc_granted;
5303 NTSTATUS status;
5304 bool ret;
5305 bool can_mod_accounts;
5306 DISP_INFO *disp_info = NULL;
5307
5308 if (!get_lsa_policy_samr_sid(p, r->in.group_handle, &group_sid, &acc_granted, &disp_info))
5309 return NT_STATUS_INVALID_HANDLE;
5310
5311 status = access_check_samr_function(acc_granted,
5312 SAMR_GROUP_ACCESS_SET_INFO,
5313 "_samr_SetGroupInfo");
5314 if (!NT_STATUS_IS_OK(status)) {
5315 return status;
5316 }
5317
5318 become_root();
5319 ret = get_domain_group_from_sid(group_sid, &map);
5320 unbecome_root();
5321 if (!ret)
5322 return NT_STATUS_NO_SUCH_GROUP;
5323
5324 switch (r->in.level) {
5325 case 1:
5326 fstrcpy(map.comment, r->in.info->all.description.string);
5327 break;
5328 case 4:
5329 fstrcpy(map.comment, r->in.info->description.string);
5330 break;
5331 default:
5332 return NT_STATUS_INVALID_INFO_CLASS;
5333 }
5334
5335 can_mod_accounts = user_has_privileges( p->pipe_user.nt_user_token, &se_add_users );
5336
5337 /******** BEGIN SeAddUsers BLOCK *********/
5338
5339 if ( can_mod_accounts )
5340 become_root();
5341
5342 status = pdb_update_group_mapping_entry(&map);
5343
5344 if ( can_mod_accounts )
5345 unbecome_root();
5346
5347 /******** End SeAddUsers BLOCK *********/
5348
5349 if (NT_STATUS_IS_OK(status)) {
5350 force_flush_samr_cache(disp_info);
5351 }
5352
5353 return status;
5354 }
5355
5356 /*********************************************************************
5357 _samr_SetAliasInfo
5358 *********************************************************************/
5359
5360 NTSTATUS _samr_SetAliasInfo(pipes_struct *p,
5361 struct samr_SetAliasInfo *r)
5362 {
5363 DOM_SID group_sid;
5364 struct acct_info info;
5365 uint32 acc_granted;
5366 bool can_mod_accounts;
5367 NTSTATUS status;
5368 DISP_INFO *disp_info = NULL;
5369
5370 if (!get_lsa_policy_samr_sid(p, r->in.alias_handle, &group_sid, &acc_granted, &disp_info))
5371 return NT_STATUS_INVALID_HANDLE;
5372
5373 status = access_check_samr_function(acc_granted,
5374 SAMR_ALIAS_ACCESS_SET_INFO,
5375 "_samr_SetAliasInfo");
5376 if (!NT_STATUS_IS_OK(status)) {
5377 return status;
5378 }
5379
5380 /* get the current group information */
5381
5382 become_root();
5383 status = pdb_get_aliasinfo( &group_sid, &info );
5384 unbecome_root();
5385
5386 if ( !NT_STATUS_IS_OK(status))
5387 return status;
5388
5389 switch (r->in.level) {
5390 case ALIASINFONAME:
5391 {
5392 fstring group_name;
5393
5394 /* We currently do not support renaming groups in the
5395 the BUILTIN domain. Refer to util_builtin.c to understand
5396 why. The eventually needs to be fixed to be like Windows
5397 where you can rename builtin groups, just not delete them */
5398
5399 if ( sid_check_is_in_builtin( &group_sid ) ) {
5400 return NT_STATUS_SPECIAL_ACCOUNT;
5401 }
5402
5403 /* There has to be a valid name (and it has to be different) */
5404
5405 if ( !r->in.info->name.string )
5406 return NT_STATUS_INVALID_PARAMETER;
5407
5408 /* If the name is the same just reply "ok". Yes this
5409 doesn't allow you to change the case of a group name. */
5410
5411 if ( strequal( r->in.info->name.string, info.acct_name ) )
5412 return NT_STATUS_OK;
5413
5414 fstrcpy( info.acct_name, r->in.info->name.string);
5415
5416 /* make sure the name doesn't already exist as a user
5417 or local group */
5418
5419 fstr_sprintf( group_name, "%s\\%s", global_myname(), info.acct_name );
5420 status = can_create( p->mem_ctx, group_name );
5421 if ( !NT_STATUS_IS_OK( status ) )
5422 return status;
5423 break;
5424 }
5425 case ALIASINFODESCRIPTION:
5426 if (r->in.info->description.string) {
5427 fstrcpy(info.acct_desc,
5428 r->in.info->description.string);
5429 } else {
5430 fstrcpy( info.acct_desc, "" );
5431 }
5432 break;
5433 default:
5434 return NT_STATUS_INVALID_INFO_CLASS;
5435 }
5436
5437 can_mod_accounts = user_has_privileges( p->pipe_user.nt_user_token, &se_add_users );
5438
5439 /******** BEGIN SeAddUsers BLOCK *********/
5440
5441 if ( can_mod_accounts )
5442 become_root();
5443
5444 status = pdb_set_aliasinfo( &group_sid, &info );
5445
5446 if ( can_mod_accounts )
5447 unbecome_root();
5448
5449 /******** End SeAddUsers BLOCK *********/
5450
5451 if (NT_STATUS_IS_OK(status))
5452 force_flush_samr_cache(disp_info);
5453
5454 return status;
5455 }
5456
5457 /****************************************************************
5458 _samr_GetDomPwInfo
5459 ****************************************************************/
5460
5461 NTSTATUS _samr_GetDomPwInfo(pipes_struct *p,
5462 struct samr_GetDomPwInfo *r)
5463 {
5464 uint32_t min_password_length = 0;
5465 uint32_t password_properties = 0;
5466
5467 /* Perform access check. Since this rpc does not require a
5468 policy handle it will not be caught by the access checks on
5469 SAMR_CONNECT or SAMR_CONNECT_ANON. */
5470
5471 if (!pipe_access_check(p)) {
5472 DEBUG(3, ("access denied to _samr_GetDomPwInfo\n"));
5473 return NT_STATUS_ACCESS_DENIED;
5474 }
5475
5476 become_root();
5477 pdb_get_account_policy(AP_MIN_PASSWORD_LEN,
5478 &min_password_length);
5479 pdb_get_account_policy(AP_USER_MUST_LOGON_TO_CHG_PASS,
5480 &password_properties);
5481 unbecome_root();
5482
5483 if (lp_check_password_script() && *lp_check_password_script()) {
5484 password_properties |= DOMAIN_PASSWORD_COMPLEX;
5485 }
5486
5487 r->out.info->min_password_length = min_password_length;
5488 r->out.info->password_properties = password_properties;
5489
5490 return NT_STATUS_OK;
5491 }
5492
5493 /*********************************************************************
5494 _samr_OpenGroup
5495 *********************************************************************/
5496
5497 NTSTATUS _samr_OpenGroup(pipes_struct *p,
5498 struct samr_OpenGroup *r)
5499
5500 {
5501 DOM_SID sid;
5502 DOM_SID info_sid;
5503 GROUP_MAP map;
5504 struct samr_info *info;
5505 SEC_DESC *psd = NULL;
5506 uint32 acc_granted;
5507 uint32 des_access = r->in.access_mask;
5508 size_t sd_size;
5509 NTSTATUS status;
5510 fstring sid_string;
5511 bool ret;
5512 SE_PRIV se_rights;
5513
5514 if (!get_lsa_policy_samr_sid(p, r->in.domain_handle, &sid, &acc_granted, NULL))
5515 return NT_STATUS_INVALID_HANDLE;
5516
5517 status = access_check_samr_function(acc_granted,
5518 SAMR_DOMAIN_ACCESS_OPEN_ACCOUNT,
5519 "_samr_OpenGroup");
5520
5521 if ( !NT_STATUS_IS_OK(status) )
5522 return status;
5523
5524 /*check if access can be granted as requested by client. */
5525 map_max_allowed_access(p->pipe_user.nt_user_token, &des_access);
5526
5527 make_samr_object_sd(p->mem_ctx, &psd, &sd_size, &grp_generic_mapping, NULL, 0);
5528 se_map_generic(&des_access,&grp_generic_mapping);
5529
5530 se_priv_copy( &se_rights, &se_add_users );
5531
5532 status = access_check_samr_object(psd, p->pipe_user.nt_user_token,
5533 &se_rights, GENERIC_RIGHTS_GROUP_WRITE, des_access,
5534 &acc_granted, "_samr_OpenGroup");
5535
5536 if ( !NT_STATUS_IS_OK(status) )
5537 return status;
5538
5539 /* this should not be hard-coded like this */
5540
5541 if (!sid_equal(&sid, get_global_sam_sid()))
5542 return NT_STATUS_ACCESS_DENIED;
5543
5544 sid_copy(&info_sid, get_global_sam_sid());
5545 sid_append_rid(&info_sid, r->in.rid);
5546 sid_to_fstring(sid_string, &info_sid);
5547
5548 if ((info = get_samr_info_by_sid(&info_sid)) == NULL)
5549 return NT_STATUS_NO_MEMORY;
5550
5551 info->acc_granted = acc_granted;
5552
5553 DEBUG(10, ("_samr_OpenGroup:Opening SID: %s\n", sid_string));
5554
5555 /* check if that group really exists */
5556 become_root();
5557 ret = get_domain_group_from_sid(info->sid, &map);
5558 unbecome_root();
5559 if (!ret)
5560 return NT_STATUS_NO_SUCH_GROUP;
5561
5562 /* get a (unique) handle. open a policy on it. */
5563 if (!create_policy_hnd(p, r->out.group_handle, free_samr_info, (void *)info))
5564 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
5565
5566 return NT_STATUS_OK;
5567 }
5568
5569 /*********************************************************************
5570 _samr_RemoveMemberFromForeignDomain
5571 *********************************************************************/
5572
5573 NTSTATUS _samr_RemoveMemberFromForeignDomain(pipes_struct *p,
5574 struct samr_RemoveMemberFromForeignDomain *r)
5575 {
5576 DOM_SID delete_sid, domain_sid;
5577 uint32 acc_granted;
5578 NTSTATUS result;
5579 DISP_INFO *disp_info = NULL;
5580
5581 sid_copy( &delete_sid, r->in.sid );
5582
5583 DEBUG(5,("_samr_RemoveMemberFromForeignDomain: removing SID [%s]\n",
5584 sid_string_dbg(&delete_sid)));
5585
5586 /* Find the policy handle. Open a policy on it. */
5587
5588 if (!get_lsa_policy_samr_sid(p, r->in.domain_handle, &domain_sid,
5589 &acc_granted, &disp_info))
5590 return NT_STATUS_INVALID_HANDLE;
5591
5592 result = access_check_samr_function(acc_granted,
5593 STD_RIGHT_DELETE_ACCESS,
5594 "_samr_RemoveMemberFromForeignDomain");
5595
5596 if (!NT_STATUS_IS_OK(result))
5597 return result;
5598
5599 DEBUG(8, ("_samr_RemoveMemberFromForeignDomain: sid is %s\n",
5600 sid_string_dbg(&domain_sid)));
5601
5602 /* we can only delete a user from a group since we don't have
5603 nested groups anyways. So in the latter case, just say OK */
5604
5605 /* TODO: The above comment nowadays is bogus. Since we have nested
5606 * groups now, and aliases members are never reported out of the unix
5607 * group membership, the "just say OK" makes this call a no-op. For
5608 * us. This needs fixing however. */
5609
5610 /* I've only ever seen this in the wild when deleting a user from
5611 * usrmgr.exe. domain_sid is the builtin domain, and the sid to delete
5612 * is the user about to be deleted. I very much suspect this is the
5613 * only application of this call. To verify this, let people report
5614 * other cases. */
5615
5616 if (!sid_check_is_builtin(&domain_sid)) {
5617 DEBUG(1,("_samr_RemoveMemberFromForeignDomain: domain_sid = %s, "
5618 "global_sam_sid() = %s\n",
5619 sid_string_dbg(&domain_sid),
5620 sid_string_dbg(get_global_sam_sid())));
5621 DEBUGADD(1,("please report to samba-technical@samba.org!\n"));
5622 return NT_STATUS_OK;
5623 }
5624
5625 force_flush_samr_cache(disp_info);
5626
5627 result = NT_STATUS_OK;
5628
5629 return result;
5630 }
5631
5632 /*******************************************************************
5633 _samr_QueryDomainInfo2
5634 ********************************************************************/
5635
5636 NTSTATUS _samr_QueryDomainInfo2(pipes_struct *p,
5637 struct samr_QueryDomainInfo2 *r)
5638 {
5639 struct samr_QueryDomainInfo q;
5640
5641 q.in.domain_handle = r->in.domain_handle;
5642 q.in.level = r->in.level;
5643
5644 q.out.info = r->out.info;
5645
5646 return _samr_QueryDomainInfo(p, &q);
5647 }
5648
5649 /*******************************************************************
5650 _samr_SetDomainInfo
5651 ********************************************************************/
5652
5653 NTSTATUS _samr_SetDomainInfo(pipes_struct *p,
5654 struct samr_SetDomainInfo *r)
5655 {
5656 struct samr_info *info = NULL;
5657 time_t u_expire, u_min_age;
5658 time_t u_logout;
5659 time_t u_lock_duration, u_reset_time;
5660 NTSTATUS result;
5661
5662 DEBUG(5,("_samr_SetDomainInfo: %d\n", __LINE__));
5663
5664 /* find the policy handle. open a policy on it. */
5665 if (!find_policy_by_hnd(p, r->in.domain_handle, (void **)(void *)&info))
5666 return NT_STATUS_INVALID_HANDLE;
5667
5668 /* We do have different access bits for info
5669 * levels here, but we're really just looking for
5670 * GENERIC_RIGHTS_DOMAIN_WRITE access. Unfortunately
5671 * this maps to different specific bits. So
5672 * assume if we have SAMR_DOMAIN_ACCESS_SET_INFO_1
5673 * set we are ok. */
5674
5675 result = access_check_samr_function(info->acc_granted,
5676 SAMR_DOMAIN_ACCESS_SET_INFO_1,
5677 "_samr_SetDomainInfo");
5678
5679 if (!NT_STATUS_IS_OK(result))
5680 return result;
5681
5682 DEBUG(5,("_samr_SetDomainInfo: level: %d\n", r->in.level));
5683
5684 switch (r->in.level) {
5685 case 0x01:
5686 u_expire=nt_time_to_unix_abs((NTTIME *)&r->in.info->info1.max_password_age);
5687 u_min_age=nt_time_to_unix_abs((NTTIME *)&r->in.info->info1.min_password_age);
5688 pdb_set_account_policy(AP_MIN_PASSWORD_LEN, (uint32)r->in.info->info1.min_password_length);
5689 pdb_set_account_policy(AP_PASSWORD_HISTORY, (uint32)r->in.info->info1.password_history_length);
5690 pdb_set_account_policy(AP_USER_MUST_LOGON_TO_CHG_PASS, (uint32)r->in.info->info1.password_properties);
5691 pdb_set_account_policy(AP_MAX_PASSWORD_AGE, (int)u_expire);
5692 pdb_set_account_policy(AP_MIN_PASSWORD_AGE, (int)u_min_age);
5693 break;
5694 case 0x02:
5695 break;
5696 case 0x03:
5697 u_logout=nt_time_to_unix_abs((NTTIME *)&r->in.info->info3.force_logoff_time);
5698 pdb_set_account_policy(AP_TIME_TO_LOGOUT, (int)u_logout);
5699 break;
5700 case 0x05:
5701 break;
5702 case 0x06:
5703 break;
5704 case 0x07:
5705 break;
5706 case 0x0c:
5707 u_lock_duration=nt_time_to_unix_abs((NTTIME *)&r->in.info->info12.lockout_duration);
5708 if (u_lock_duration != -1)
5709 u_lock_duration /= 60;
5710
5711 u_reset_time=nt_time_to_unix_abs((NTTIME *)&r->in.info->info12.lockout_window)/60;
5712
5713 pdb_set_account_policy(AP_LOCK_ACCOUNT_DURATION, (int)u_lock_duration);
5714 pdb_set_account_policy(AP_RESET_COUNT_TIME, (int)u_reset_time);
5715 pdb_set_account_policy(AP_BAD_ATTEMPT_LOCKOUT, (uint32)r->in.info->info12.lockout_threshold);
5716 break;
5717 default:
5718 return NT_STATUS_INVALID_INFO_CLASS;
5719 }
5720
5721 DEBUG(5,("_samr_SetDomainInfo: %d\n", __LINE__));
5722
5723 return NT_STATUS_OK;
5724 }
5725
5726 /****************************************************************
5727 _samr_GetDisplayEnumerationIndex
5728 ****************************************************************/
5729
5730 NTSTATUS _samr_GetDisplayEnumerationIndex(pipes_struct *p,
5731 struct samr_GetDisplayEnumerationIndex *r)
5732 {
5733 struct samr_info *info = NULL;
5734 uint32_t max_entries = (uint32_t) -1;
5735 uint32_t enum_context = 0;
5736 int i;
5737 uint32_t num_account = 0;
5738 struct samr_displayentry *entries = NULL;
5739 NTSTATUS status;
5740
5741 DEBUG(5,("_samr_GetDisplayEnumerationIndex: %d\n", __LINE__));
5742
5743 /* find the policy handle. open a policy on it. */
5744 if (!find_policy_by_hnd(p, r->in.domain_handle, (void **)(void *)&info)) {
5745 return NT_STATUS_INVALID_HANDLE;
5746 }
5747
5748 status = access_check_samr_function(info->acc_granted,
5749 SAMR_DOMAIN_ACCESS_ENUM_ACCOUNTS,
5750 "_samr_GetDisplayEnumerationIndex");
5751 if (!NT_STATUS_IS_OK(status)) {
5752 return status;
5753 }
5754
5755 if ((r->in.level < 1) || (r->in.level > 3)) {
5756 DEBUG(0,("_samr_GetDisplayEnumerationIndex: "
5757 "Unknown info level (%u)\n",
5758 r->in.level));
5759 return NT_STATUS_INVALID_INFO_CLASS;
5760 }
5761
5762 become_root();
5763
5764 /* The following done as ROOT. Don't return without unbecome_root(). */
5765
5766 switch (r->in.level) {
5767 case 1:
5768 if (info->disp_info->users == NULL) {
5769 info->disp_info->users = pdb_search_users(ACB_NORMAL);
5770 if (info->disp_info->users == NULL) {
5771 unbecome_root();
5772 return NT_STATUS_ACCESS_DENIED;
5773 }
5774 DEBUG(10,("_samr_GetDisplayEnumerationIndex: "
5775 "starting user enumeration at index %u\n",
5776 (unsigned int)enum_context));
5777 } else {
5778 DEBUG(10,("_samr_GetDisplayEnumerationIndex: "
5779 "using cached user enumeration at index %u\n",
5780 (unsigned int)enum_context));
5781 }
5782 num_account = pdb_search_entries(info->disp_info->users,
5783 enum_context, max_entries,
5784 &entries);
5785 break;
5786 case 2:
5787 if (info->disp_info->machines == NULL) {
5788 info->disp_info->machines =
5789 pdb_search_users(ACB_WSTRUST|ACB_SVRTRUST);
5790 if (info->disp_info->machines == NULL) {
5791 unbecome_root();
5792 return NT_STATUS_ACCESS_DENIED;
5793 }
5794 DEBUG(10,("_samr_GetDisplayEnumerationIndex: "
5795 "starting machine enumeration at index %u\n",
5796 (unsigned int)enum_context));
5797 } else {
5798 DEBUG(10,("_samr_GetDisplayEnumerationIndex: "
5799 "using cached machine enumeration at index %u\n",
5800 (unsigned int)enum_context));
5801 }
5802 num_account = pdb_search_entries(info->disp_info->machines,
5803 enum_context, max_entries,
5804 &entries);
5805 break;
5806 case 3:
5807 if (info->disp_info->groups == NULL) {
5808 info->disp_info->groups = pdb_search_groups();
5809 if (info->disp_info->groups == NULL) {
5810 unbecome_root();
5811 return NT_STATUS_ACCESS_DENIED;
5812 }
5813 DEBUG(10,("_samr_GetDisplayEnumerationIndex: "
5814 "starting group enumeration at index %u\n",
5815 (unsigned int)enum_context));
5816 } else {
5817 DEBUG(10,("_samr_GetDisplayEnumerationIndex: "
5818 "using cached group enumeration at index %u\n",
5819 (unsigned int)enum_context));
5820 }
5821 num_account = pdb_search_entries(info->disp_info->groups,
5822 enum_context, max_entries,
5823 &entries);
5824 break;
5825 default:
5826 unbecome_root();
5827 smb_panic("info class changed");
5828 break;
5829 }
5830
5831 unbecome_root();
5832
5833 /* Ensure we cache this enumeration. */
5834 set_disp_info_cache_timeout(info->disp_info, DISP_INFO_CACHE_TIMEOUT);
5835
5836 DEBUG(10,("_samr_GetDisplayEnumerationIndex: looking for :%s\n",
5837 r->in.name->string));
5838
5839 for (i=0; i<num_account; i++) {
5840 if (strequal(entries[i].account_name, r->in.name->string)) {
5841 DEBUG(10,("_samr_GetDisplayEnumerationIndex: "
5842 "found %s at idx %d\n",
5843 r->in.name->string, i));
5844 *r->out.idx = i;
5845 return NT_STATUS_OK;
5846 }
5847 }
5848
5849 /* assuming account_name lives at the very end */
5850 *r->out.idx = num_account;
5851
5852 return NT_STATUS_NO_MORE_ENTRIES;
5853 }
5854
5855 /****************************************************************
5856 _samr_GetDisplayEnumerationIndex2
5857 ****************************************************************/
5858
5859 NTSTATUS _samr_GetDisplayEnumerationIndex2(pipes_struct *p,
5860 struct samr_GetDisplayEnumerationIndex2 *r)
5861 {
5862 struct samr_GetDisplayEnumerationIndex q;
5863
5864 q.in.domain_handle = r->in.domain_handle;
5865 q.in.level = r->in.level;
5866 q.in.name = r->in.name;
5867
5868 q.out.idx = r->out.idx;
5869
5870 return _samr_GetDisplayEnumerationIndex(p, &q);
5871 }
5872
5873 /****************************************************************
5874 ****************************************************************/
5875
5876 NTSTATUS _samr_Shutdown(pipes_struct *p,
5877 struct samr_Shutdown *r)
5878 {
5879 p->rng_fault_state = true;
5880 return NT_STATUS_NOT_IMPLEMENTED;
5881 }
5882
5883 /****************************************************************
5884 ****************************************************************/
5885
5886 NTSTATUS _samr_CreateUser(pipes_struct *p,
5887 struct samr_CreateUser *r)
5888 {
5889 p->rng_fault_state = true;
5890 return NT_STATUS_NOT_IMPLEMENTED;
5891 }
5892
5893 /****************************************************************
5894 ****************************************************************/
5895
5896 NTSTATUS _samr_SetMemberAttributesOfGroup(pipes_struct *p,
5897 struct samr_SetMemberAttributesOfGroup *r)
5898 {
5899 p->rng_fault_state = true;
5900 return NT_STATUS_NOT_IMPLEMENTED;
5901 }
5902
5903 /****************************************************************
5904 ****************************************************************/
5905
5906 NTSTATUS _samr_ChangePasswordUser(pipes_struct *p,
5907 struct samr_ChangePasswordUser *r)
5908 {
5909 p->rng_fault_state = true;
5910 return NT_STATUS_NOT_IMPLEMENTED;
5911 }
5912
5913 /****************************************************************
5914 ****************************************************************/
5915
5916 NTSTATUS _samr_TestPrivateFunctionsDomain(pipes_struct *p,
5917 struct samr_TestPrivateFunctionsDomain *r)
5918 {
5919 p->rng_fault_state = true;
5920 return NT_STATUS_NOT_IMPLEMENTED;
5921 }
5922
5923 /****************************************************************
5924 ****************************************************************/
5925
5926 NTSTATUS _samr_TestPrivateFunctionsUser(pipes_struct *p,
5927 struct samr_TestPrivateFunctionsUser *r)
5928 {
5929 p->rng_fault_state = true;
5930 return NT_STATUS_NOT_IMPLEMENTED;
5931 }
5932
5933 /****************************************************************
5934 ****************************************************************/
5935
5936 NTSTATUS _samr_QueryUserInfo2(pipes_struct *p,
5937 struct samr_QueryUserInfo2 *r)
5938 {
5939 p->rng_fault_state = true;
5940 return NT_STATUS_NOT_IMPLEMENTED;
5941 }
5942
5943 /****************************************************************
5944 ****************************************************************/
5945
5946 NTSTATUS _samr_AddMultipleMembersToAlias(pipes_struct *p,
5947 struct samr_AddMultipleMembersToAlias *r)
5948 {
5949 p->rng_fault_state = true;
5950 return NT_STATUS_NOT_IMPLEMENTED;
5951 }
5952
5953 /****************************************************************
5954 ****************************************************************/
5955
5956 NTSTATUS _samr_RemoveMultipleMembersFromAlias(pipes_struct *p,
5957 struct samr_RemoveMultipleMembersFromAlias *r)
5958 {
5959 p->rng_fault_state = true;
5960 return NT_STATUS_NOT_IMPLEMENTED;
5961 }
5962
5963 /****************************************************************
5964 ****************************************************************/
5965
5966 NTSTATUS _samr_OemChangePasswordUser2(pipes_struct *p,
5967 struct samr_OemChangePasswordUser2 *r)
5968 {
5969 p->rng_fault_state = true;
5970 return NT_STATUS_NOT_IMPLEMENTED;
5971 }
5972
5973 /****************************************************************
5974 ****************************************************************/
5975
5976 NTSTATUS _samr_SetBootKeyInformation(pipes_struct *p,
5977 struct samr_SetBootKeyInformation *r)
5978 {
5979 p->rng_fault_state = true;
5980 return NT_STATUS_NOT_IMPLEMENTED;
5981 }
5982
5983 /****************************************************************
5984 ****************************************************************/
5985
5986 NTSTATUS _samr_GetBootKeyInformation(pipes_struct *p,
5987 struct samr_GetBootKeyInformation *r)
5988 {
5989 p->rng_fault_state = true;
5990 return NT_STATUS_NOT_IMPLEMENTED;
5991 }
5992
5993 /****************************************************************
5994 ****************************************************************/
5995
5996 NTSTATUS _samr_Connect3(pipes_struct *p,
5997 struct samr_Connect3 *r)
5998 {
5999 p->rng_fault_state = true;
6000 return NT_STATUS_NOT_IMPLEMENTED;
6001 }
6002
6003 /****************************************************************
6004 ****************************************************************/
6005
6006 NTSTATUS _samr_RidToSid(pipes_struct *p,
6007 struct samr_RidToSid *r)
6008 {
6009 p->rng_fault_state = true;
6010 return NT_STATUS_NOT_IMPLEMENTED;
6011 }
6012
6013 /****************************************************************
6014 ****************************************************************/
6015
6016 NTSTATUS _samr_SetDsrmPassword(pipes_struct *p,
6017 struct samr_SetDsrmPassword *r)
6018 {
6019 p->rng_fault_state = true;
6020 return NT_STATUS_NOT_IMPLEMENTED;
6021 }
6022
6023 /****************************************************************
6024 ****************************************************************/
6025
6026 NTSTATUS _samr_ValidatePassword(pipes_struct *p,
6027 struct samr_ValidatePassword *r)
6028 {
6029 p->rng_fault_state = true;
6030 return NT_STATUS_NOT_IMPLEMENTED;
6031 }