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selftest: add a fake root user to nss_wrapper_passwd in s3.
[Samba/gbeck.git] / source3 / rpc_server / srv_samr_nt.c
blob7881ca62eaf02183d1a60521f00fd4013e0b07fd
1 /*
2 * Unix SMB/CIFS implementation.
3 * RPC Pipe client / server routines
4 * Copyright (C) Andrew Tridgell 1992-1997,
5 * Copyright (C) Luke Kenneth Casson Leighton 1996-1997,
6 * Copyright (C) Paul Ashton 1997,
7 * Copyright (C) Marc Jacobsen 1999,
8 * Copyright (C) Jeremy Allison 2001-2008,
9 * Copyright (C) Jean François Micouleau 1998-2001,
10 * Copyright (C) Jim McDonough <jmcd@us.ibm.com> 2002,
11 * Copyright (C) Gerald (Jerry) Carter 2003-2004,
12 * Copyright (C) Simo Sorce 2003.
13 * Copyright (C) Volker Lendecke 2005.
14 * Copyright (C) Guenther Deschner 2008.
15 *
16 * This program is free software; you can redistribute it and/or modify
17 * it under the terms of the GNU General Public License as published by
18 * the Free Software Foundation; either version 3 of the License, or
19 * (at your option) any later version.
20 *
21 * This program is distributed in the hope that it will be useful,
22 * but WITHOUT ANY WARRANTY; without even the implied warranty of
23 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
24 * GNU General Public License for more details.
25 *
26 * You should have received a copy of the GNU General Public License
27 * along with this program; if not, see <http://www.gnu.org/licenses/>.
28 */
29
30 /*
31 * This is the implementation of the SAMR code.
32 */
33
34 #include "includes.h"
35
36 #undef DBGC_CLASS
37 #define DBGC_CLASS DBGC_RPC_SRV
38
39 #define SAMR_USR_RIGHTS_WRITE_PW \
40 ( READ_CONTROL_ACCESS | \
41 SAMR_USER_ACCESS_CHANGE_PASSWORD | \
42 SAMR_USER_ACCESS_SET_LOC_COM)
43 #define SAMR_USR_RIGHTS_CANT_WRITE_PW \
44 ( READ_CONTROL_ACCESS | SAMR_USER_ACCESS_SET_LOC_COM )
45
46 #define DISP_INFO_CACHE_TIMEOUT 10
47
48 #define MAX_SAM_ENTRIES_W2K 0x400 /* 1024 */
49 #define MAX_SAM_ENTRIES_W95 50
50
51 typedef struct disp_info {
52 DOM_SID sid; /* identify which domain this is. */
53 bool builtin_domain; /* Quick flag to check if this is the builtin domain. */
54 struct pdb_search *users; /* querydispinfo 1 and 4 */
55 struct pdb_search *machines; /* querydispinfo 2 */
56 struct pdb_search *groups; /* querydispinfo 3 and 5, enumgroups */
57 struct pdb_search *aliases; /* enumaliases */
58
59 uint16 enum_acb_mask;
60 struct pdb_search *enum_users; /* enumusers with a mask */
61
62 struct timed_event *cache_timeout_event; /* cache idle timeout
63 * handler. */
64 } DISP_INFO;
65
66 /* We keep a static list of these by SID as modern clients close down
67 all resources between each request in a complete enumeration. */
68
69 struct samr_info {
70 /* for use by the \PIPE\samr policy */
71 DOM_SID sid;
72 bool builtin_domain; /* Quick flag to check if this is the builtin domain. */
73 uint32 status; /* some sort of flag. best to record it. comes from opnum 0x39 */
74 uint32 acc_granted;
75 DISP_INFO *disp_info;
76 };
77
78 static const struct generic_mapping sam_generic_mapping = {
79 GENERIC_RIGHTS_SAM_READ,
80 GENERIC_RIGHTS_SAM_WRITE,
81 GENERIC_RIGHTS_SAM_EXECUTE,
82 GENERIC_RIGHTS_SAM_ALL_ACCESS};
83 static const struct generic_mapping dom_generic_mapping = {
84 GENERIC_RIGHTS_DOMAIN_READ,
85 GENERIC_RIGHTS_DOMAIN_WRITE,
86 GENERIC_RIGHTS_DOMAIN_EXECUTE,
87 GENERIC_RIGHTS_DOMAIN_ALL_ACCESS};
88 static const struct generic_mapping usr_generic_mapping = {
89 GENERIC_RIGHTS_USER_READ,
90 GENERIC_RIGHTS_USER_WRITE,
91 GENERIC_RIGHTS_USER_EXECUTE,
92 GENERIC_RIGHTS_USER_ALL_ACCESS};
93 static const struct generic_mapping usr_nopwchange_generic_mapping = {
94 GENERIC_RIGHTS_USER_READ,
95 GENERIC_RIGHTS_USER_WRITE,
96 GENERIC_RIGHTS_USER_EXECUTE & ~SAMR_USER_ACCESS_CHANGE_PASSWORD,
97 GENERIC_RIGHTS_USER_ALL_ACCESS};
98 static const struct generic_mapping grp_generic_mapping = {
99 GENERIC_RIGHTS_GROUP_READ,
100 GENERIC_RIGHTS_GROUP_WRITE,
101 GENERIC_RIGHTS_GROUP_EXECUTE,
102 GENERIC_RIGHTS_GROUP_ALL_ACCESS};
103 static const struct generic_mapping ali_generic_mapping = {
104 GENERIC_RIGHTS_ALIAS_READ,
105 GENERIC_RIGHTS_ALIAS_WRITE,
106 GENERIC_RIGHTS_ALIAS_EXECUTE,
107 GENERIC_RIGHTS_ALIAS_ALL_ACCESS};
108
109 /*******************************************************************
110 *******************************************************************/
111
112 static NTSTATUS make_samr_object_sd( TALLOC_CTX *ctx, SEC_DESC **psd, size_t *sd_size,
113 const struct generic_mapping *map,
114 DOM_SID *sid, uint32 sid_access )
115 {
116 DOM_SID domadmin_sid;
117 SEC_ACE ace[5]; /* at most 5 entries */
118 size_t i = 0;
119
120 SEC_ACL *psa = NULL;
121
122 /* basic access for Everyone */
123
124 init_sec_ace(&ace[i++], &global_sid_World, SEC_ACE_TYPE_ACCESS_ALLOWED,
125 map->generic_execute | map->generic_read, 0);
126
127 /* add Full Access 'BUILTIN\Administrators' and 'BUILTIN\Account Operators */
128
129 init_sec_ace(&ace[i++], &global_sid_Builtin_Administrators,
130 SEC_ACE_TYPE_ACCESS_ALLOWED, map->generic_all, 0);
131 init_sec_ace(&ace[i++], &global_sid_Builtin_Account_Operators,
132 SEC_ACE_TYPE_ACCESS_ALLOWED, map->generic_all, 0);
133
134 /* Add Full Access for Domain Admins if we are a DC */
135
136 if ( IS_DC ) {
137 sid_copy( &domadmin_sid, get_global_sam_sid() );
138 sid_append_rid( &domadmin_sid, DOMAIN_GROUP_RID_ADMINS );
139 init_sec_ace(&ace[i++], &domadmin_sid,
140 SEC_ACE_TYPE_ACCESS_ALLOWED, map->generic_all, 0);
141 }
142
143 /* if we have a sid, give it some special access */
144
145 if ( sid ) {
146 init_sec_ace(&ace[i++], sid, SEC_ACE_TYPE_ACCESS_ALLOWED, sid_access, 0);
147 }
148
149 /* create the security descriptor */
150
151 if ((psa = make_sec_acl(ctx, NT4_ACL_REVISION, i, ace)) == NULL)
152 return NT_STATUS_NO_MEMORY;
153
154 if ((*psd = make_sec_desc(ctx, SECURITY_DESCRIPTOR_REVISION_1,
155 SEC_DESC_SELF_RELATIVE, NULL, NULL, NULL,
156 psa, sd_size)) == NULL)
157 return NT_STATUS_NO_MEMORY;
158
159 return NT_STATUS_OK;
160 }
161
162 /*******************************************************************
163 Checks if access to an object should be granted, and returns that
164 level of access for further checks.
165 ********************************************************************/
166
167 static NTSTATUS access_check_samr_object( SEC_DESC *psd, NT_USER_TOKEN *token,
168 SE_PRIV *rights, uint32 rights_mask,
169 uint32 des_access, uint32 *acc_granted,
170 const char *debug )
171 {
172 NTSTATUS status = NT_STATUS_ACCESS_DENIED;
173 uint32 saved_mask = 0;
174
175 /* check privileges; certain SAM access bits should be overridden
176 by privileges (mostly having to do with creating/modifying/deleting
177 users and groups) */
178
179 if ( rights && user_has_any_privilege( token, rights ) ) {
180
181 saved_mask = (des_access & rights_mask);
182 des_access &= ~saved_mask;
183
184 DEBUG(4,("access_check_samr_object: user rights access mask [0x%x]\n",
185 rights_mask));
186 }
187
188
189 /* check the security descriptor first */
190
191 status = se_access_check(psd, token, des_access, acc_granted);
192 if (NT_STATUS_IS_OK(status)) {
193 goto done;
194 }
195
196 /* give root a free pass */
197
198 if ( geteuid() == sec_initial_uid() ) {
199
200 DEBUG(4,("%s: ACCESS should be DENIED (requested: %#010x)\n", debug, des_access));
201 DEBUGADD(4,("but overritten by euid == sec_initial_uid()\n"));
202
203 *acc_granted = des_access;
204
205 status = NT_STATUS_OK;
206 goto done;
207 }
208
209
210 done:
211 /* add in any bits saved during the privilege check (only
212 matters is status is ok) */
213
214 *acc_granted |= rights_mask;
215
216 DEBUG(4,("%s: access %s (requested: 0x%08x, granted: 0x%08x)\n",
217 debug, NT_STATUS_IS_OK(status) ? "GRANTED" : "DENIED",
218 des_access, *acc_granted));
219
220 return status;
221 }
222
223 /*******************************************************************
224 Checks if access to a function can be granted
225 ********************************************************************/
226
227 static NTSTATUS access_check_samr_function(uint32 acc_granted, uint32 acc_required, const char *debug)
228 {
229 DEBUG(5,("%s: access check ((granted: %#010x; required: %#010x)\n",
230 debug, acc_granted, acc_required));
231
232 /* check the security descriptor first */
233
234 if ( (acc_granted&acc_required) == acc_required )
235 return NT_STATUS_OK;
236
237 /* give root a free pass */
238
239 if (geteuid() == sec_initial_uid()) {
240
241 DEBUG(4,("%s: ACCESS should be DENIED (granted: %#010x; required: %#010x)\n",
242 debug, acc_granted, acc_required));
243 DEBUGADD(4,("but overwritten by euid == 0\n"));
244
245 return NT_STATUS_OK;
246 }
247
248 DEBUG(2,("%s: ACCESS DENIED (granted: %#010x; required: %#010x)\n",
249 debug, acc_granted, acc_required));
250
251 return NT_STATUS_ACCESS_DENIED;
252 }
253
254 /*******************************************************************
255 Map any MAXIMUM_ALLOWED_ACCESS request to a valid access set.
256 ********************************************************************/
257
258 static void map_max_allowed_access(const NT_USER_TOKEN *token,
259 uint32_t *pacc_requested)
260 {
261 if (!((*pacc_requested) & MAXIMUM_ALLOWED_ACCESS)) {
262 return;
263 }
264 *pacc_requested &= ~MAXIMUM_ALLOWED_ACCESS;
265
266 /* At least try for generic read. */
267 *pacc_requested = GENERIC_READ_ACCESS;
268
269 /* root gets anything. */
270 if (geteuid() == sec_initial_uid()) {
271 *pacc_requested |= GENERIC_ALL_ACCESS;
272 return;
273 }
274
275 /* Full Access for 'BUILTIN\Administrators' and 'BUILTIN\Account Operators */
276
277 if (is_sid_in_token(token, &global_sid_Builtin_Administrators) ||
278 is_sid_in_token(token, &global_sid_Builtin_Account_Operators)) {
279 *pacc_requested |= GENERIC_ALL_ACCESS;
280 return;
281 }
282
283 /* Full access for DOMAIN\Domain Admins. */
284 if ( IS_DC ) {
285 DOM_SID domadmin_sid;
286 sid_copy( &domadmin_sid, get_global_sam_sid() );
287 sid_append_rid( &domadmin_sid, DOMAIN_GROUP_RID_ADMINS );
288 if (is_sid_in_token(token, &domadmin_sid)) {
289 *pacc_requested |= GENERIC_ALL_ACCESS;
290 return;
291 }
292 }
293 /* TODO ! Check privileges. */
294 }
295
296 /*******************************************************************
297 Fetch or create a dispinfo struct.
298 ********************************************************************/
299
300 static DISP_INFO *get_samr_dispinfo_by_sid(DOM_SID *psid)
301 {
302 /*
303 * We do a static cache for DISP_INFO's here. Explanation can be found
304 * in Jeremy's checkin message to r11793:
305 *
306 * Fix the SAMR cache so it works across completely insane
307 * client behaviour (ie.:
308 * open pipe/open SAMR handle/enumerate 0 - 1024
309 * close SAMR handle, close pipe.
310 * open pipe/open SAMR handle/enumerate 1024 - 2048...
311 * close SAMR handle, close pipe.
312 * And on ad-nausium. Amazing.... probably object-oriented
313 * client side programming in action yet again.
314 * This change should *massively* improve performance when
315 * enumerating users from an LDAP database.
316 * Jeremy.
317 *
318 * "Our" and the builtin domain are the only ones where we ever
319 * enumerate stuff, so just cache 2 entries.
320 */
321
322 static struct disp_info *builtin_dispinfo;
323 static struct disp_info *domain_dispinfo;
324
325 /* There are two cases to consider here:
326 1) The SID is a domain SID and we look for an equality match, or
327 2) This is an account SID and so we return the DISP_INFO* for our
328 domain */
329
330 if (psid == NULL) {
331 return NULL;
332 }
333
334 if (sid_check_is_builtin(psid) || sid_check_is_in_builtin(psid)) {
335 /*
336 * Necessary only once, but it does not really hurt.
337 */
338 if (builtin_dispinfo == NULL) {
339 builtin_dispinfo = talloc_zero(
340 talloc_autofree_context(), struct disp_info);
341 if (builtin_dispinfo == NULL) {
342 return NULL;
343 }
344 }
345 sid_copy(&builtin_dispinfo->sid, &global_sid_Builtin);
346
347 return builtin_dispinfo;
348 }
349
350 if (sid_check_is_domain(psid) || sid_check_is_in_our_domain(psid)) {
351 /*
352 * Necessary only once, but it does not really hurt.
353 */
354 if (domain_dispinfo == NULL) {
355 domain_dispinfo = talloc_zero(
356 talloc_autofree_context(), struct disp_info);
357 if (domain_dispinfo == NULL) {
358 return NULL;
359 }
360 }
361 sid_copy(&domain_dispinfo->sid, get_global_sam_sid());
362
363 return domain_dispinfo;
364 }
365
366 return NULL;
367 }
368
369 /*******************************************************************
370 Create a samr_info struct.
371 ********************************************************************/
372
373 static int samr_info_destructor(struct samr_info *info);
374
375 static struct samr_info *get_samr_info_by_sid(TALLOC_CTX *mem_ctx,
376 DOM_SID *psid)
377 {
378 struct samr_info *info;
379 fstring sid_str;
380
381 if (psid) {
382 sid_to_fstring(sid_str, psid);
383 } else {
384 fstrcpy(sid_str,"(NULL)");
385 }
386
387 if ((info = TALLOC_ZERO_P(mem_ctx, struct samr_info)) == NULL) {
388 return NULL;
389 }
390 talloc_set_destructor(info, samr_info_destructor);
391
392 DEBUG(10,("get_samr_info_by_sid: created new info for sid %s\n", sid_str));
393 if (psid) {
394 sid_copy( &info->sid, psid);
395 info->builtin_domain = sid_check_is_builtin(psid);
396 } else {
397 DEBUG(10,("get_samr_info_by_sid: created new info for NULL sid.\n"));
398 info->builtin_domain = False;
399 }
400
401 info->disp_info = get_samr_dispinfo_by_sid(psid);
402
403 return info;
404 }
405
406 /*******************************************************************
407 Function to free the per SID data.
408 ********************************************************************/
409
410 static void free_samr_cache(DISP_INFO *disp_info)
411 {
412 DEBUG(10, ("free_samr_cache: deleting cache for SID %s\n",
413 sid_string_dbg(&disp_info->sid)));
414
415 /* We need to become root here because the paged search might have to
416 * tell the LDAP server we're not interested in the rest anymore. */
417
418 become_root();
419
420 TALLOC_FREE(disp_info->users);
421 TALLOC_FREE(disp_info->machines);
422 TALLOC_FREE(disp_info->groups);
423 TALLOC_FREE(disp_info->aliases);
424 TALLOC_FREE(disp_info->enum_users);
425
426 unbecome_root();
427 }
428
429 static int samr_info_destructor(struct samr_info *info)
430 {
431 /* Only free the dispinfo cache if no one bothered to set up
432 a timeout. */
433
434 if (info->disp_info && info->disp_info->cache_timeout_event == NULL) {
435 free_samr_cache(info->disp_info);
436 }
437 return 0;
438 }
439
440 /*******************************************************************
441 Idle event handler. Throw away the disp info cache.
442 ********************************************************************/
443
444 static void disp_info_cache_idle_timeout_handler(struct event_context *ev_ctx,
445 struct timed_event *te,
446 struct timeval now,
447 void *private_data)
448 {
449 DISP_INFO *disp_info = (DISP_INFO *)private_data;
450
451 TALLOC_FREE(disp_info->cache_timeout_event);
452
453 DEBUG(10, ("disp_info_cache_idle_timeout_handler: caching timed "
454 "out\n"));
455 free_samr_cache(disp_info);
456 }
457
458 /*******************************************************************
459 Setup cache removal idle event handler.
460 ********************************************************************/
461
462 static void set_disp_info_cache_timeout(DISP_INFO *disp_info, time_t secs_fromnow)
463 {
464 /* Remove any pending timeout and update. */
465
466 TALLOC_FREE(disp_info->cache_timeout_event);
467
468 DEBUG(10,("set_disp_info_cache_timeout: caching enumeration for "
469 "SID %s for %u seconds\n", sid_string_dbg(&disp_info->sid),
470 (unsigned int)secs_fromnow ));
471
472 disp_info->cache_timeout_event = event_add_timed(
473 smbd_event_context(), NULL,
474 timeval_current_ofs(secs_fromnow, 0),
475 disp_info_cache_idle_timeout_handler, (void *)disp_info);
476 }
477
478 /*******************************************************************
479 Force flush any cache. We do this on any samr_set_xxx call.
480 We must also remove the timeout handler.
481 ********************************************************************/
482
483 static void force_flush_samr_cache(DISP_INFO *disp_info)
484 {
485 if ((disp_info == NULL) || (disp_info->cache_timeout_event == NULL)) {
486 return;
487 }
488
489 DEBUG(10,("force_flush_samr_cache: clearing idle event\n"));
490 TALLOC_FREE(disp_info->cache_timeout_event);
491 free_samr_cache(disp_info);
492 }
493
494 /*******************************************************************
495 Ensure password info is never given out. Paranioa... JRA.
496 ********************************************************************/
497
498 static void samr_clear_sam_passwd(struct samu *sam_pass)
499 {
500
501 if (!sam_pass)
502 return;
503
504 /* These now zero out the old password */
505
506 pdb_set_lanman_passwd(sam_pass, NULL, PDB_DEFAULT);
507 pdb_set_nt_passwd(sam_pass, NULL, PDB_DEFAULT);
508 }
509
510 static uint32 count_sam_users(struct disp_info *info, uint32 acct_flags)
511 {
512 struct samr_displayentry *entry;
513
514 if (info->builtin_domain) {
515 /* No users in builtin. */
516 return 0;
517 }
518
519 if (info->users == NULL) {
520 info->users = pdb_search_users(info, acct_flags);
521 if (info->users == NULL) {
522 return 0;
523 }
524 }
525 /* Fetch the last possible entry, thus trigger an enumeration */
526 pdb_search_entries(info->users, 0xffffffff, 1, &entry);
527
528 /* Ensure we cache this enumeration. */
529 set_disp_info_cache_timeout(info, DISP_INFO_CACHE_TIMEOUT);
530
531 return info->users->num_entries;
532 }
533
534 static uint32 count_sam_groups(struct disp_info *info)
535 {
536 struct samr_displayentry *entry;
537
538 if (info->builtin_domain) {
539 /* No groups in builtin. */
540 return 0;
541 }
542
543 if (info->groups == NULL) {
544 info->groups = pdb_search_groups(info);
545 if (info->groups == NULL) {
546 return 0;
547 }
548 }
549 /* Fetch the last possible entry, thus trigger an enumeration */
550 pdb_search_entries(info->groups, 0xffffffff, 1, &entry);
551
552 /* Ensure we cache this enumeration. */
553 set_disp_info_cache_timeout(info, DISP_INFO_CACHE_TIMEOUT);
554
555 return info->groups->num_entries;
556 }
557
558 static uint32 count_sam_aliases(struct disp_info *info)
559 {
560 struct samr_displayentry *entry;
561
562 if (info->aliases == NULL) {
563 info->aliases = pdb_search_aliases(info, &info->sid);
564 if (info->aliases == NULL) {
565 return 0;
566 }
567 }
568 /* Fetch the last possible entry, thus trigger an enumeration */
569 pdb_search_entries(info->aliases, 0xffffffff, 1, &entry);
570
571 /* Ensure we cache this enumeration. */
572 set_disp_info_cache_timeout(info, DISP_INFO_CACHE_TIMEOUT);
573
574 return info->aliases->num_entries;
575 }
576
577 /*******************************************************************
578 _samr_Close
579 ********************************************************************/
580
581 NTSTATUS _samr_Close(pipes_struct *p, struct samr_Close *r)
582 {
583 if (!close_policy_hnd(p, r->in.handle)) {
584 return NT_STATUS_INVALID_HANDLE;
585 }
586
587 ZERO_STRUCTP(r->out.handle);
588
589 return NT_STATUS_OK;
590 }
591
592 /*******************************************************************
593 _samr_OpenDomain
594 ********************************************************************/
595
596 NTSTATUS _samr_OpenDomain(pipes_struct *p,
597 struct samr_OpenDomain *r)
598 {
599 struct samr_info *info;
600 SEC_DESC *psd = NULL;
601 uint32 acc_granted;
602 uint32 des_access = r->in.access_mask;
603 NTSTATUS status;
604 size_t sd_size;
605 SE_PRIV se_rights;
606
607 /* find the connection policy handle. */
608
609 if ( !find_policy_by_hnd(p, r->in.connect_handle, (void**)(void *)&info) )
610 return NT_STATUS_INVALID_HANDLE;
611
612 status = access_check_samr_function(info->acc_granted,
613 SAMR_ACCESS_OPEN_DOMAIN,
614 "_samr_OpenDomain" );
615
616 if ( !NT_STATUS_IS_OK(status) )
617 return status;
618
619 /*check if access can be granted as requested by client. */
620 map_max_allowed_access(p->server_info->ptok, &des_access);
621
622 make_samr_object_sd( p->mem_ctx, &psd, &sd_size, &dom_generic_mapping, NULL, 0 );
623 se_map_generic( &des_access, &dom_generic_mapping );
624
625 se_priv_copy( &se_rights, &se_machine_account );
626 se_priv_add( &se_rights, &se_add_users );
627
628 status = access_check_samr_object( psd, p->server_info->ptok,
629 &se_rights, GENERIC_RIGHTS_DOMAIN_WRITE, des_access,
630 &acc_granted, "_samr_OpenDomain" );
631
632 if ( !NT_STATUS_IS_OK(status) )
633 return status;
634
635 if (!sid_check_is_domain(r->in.sid) &&
636 !sid_check_is_builtin(r->in.sid)) {
637 return NT_STATUS_NO_SUCH_DOMAIN;
638 }
639
640 /* associate the domain SID with the (unique) handle. */
641 if ((info = get_samr_info_by_sid(p->mem_ctx, r->in.sid))==NULL)
642 return NT_STATUS_NO_MEMORY;
643 info->acc_granted = acc_granted;
644
645 /* get a (unique) handle. open a policy on it. */
646 if (!create_policy_hnd(p, r->out.domain_handle, info))
647 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
648
649 DEBUG(5,("_samr_OpenDomain: %d\n", __LINE__));
650
651 return NT_STATUS_OK;
652 }
653
654 /*******************************************************************
655 _samr_GetUserPwInfo
656 ********************************************************************/
657
658 NTSTATUS _samr_GetUserPwInfo(pipes_struct *p,
659 struct samr_GetUserPwInfo *r)
660 {
661 struct samr_info *info = NULL;
662 enum lsa_SidType sid_type;
663 uint32_t min_password_length = 0;
664 uint32_t password_properties = 0;
665 bool ret = false;
666 NTSTATUS status;
667
668 DEBUG(5,("_samr_GetUserPwInfo: %d\n", __LINE__));
669
670 /* find the policy handle. open a policy on it. */
671 if (!find_policy_by_hnd(p, r->in.user_handle, (void **)(void *)&info)) {
672 return NT_STATUS_INVALID_HANDLE;
673 }
674
675 status = access_check_samr_function(info->acc_granted,
676 SAMR_USER_ACCESS_GET_ATTRIBUTES,
677 "_samr_GetUserPwInfo" );
678 if (!NT_STATUS_IS_OK(status)) {
679 return status;
680 }
681
682 if (!sid_check_is_in_our_domain(&info->sid)) {
683 return NT_STATUS_OBJECT_TYPE_MISMATCH;
684 }
685
686 become_root();
687 ret = lookup_sid(p->mem_ctx, &info->sid, NULL, NULL, &sid_type);
688 unbecome_root();
689 if (ret == false) {
690 return NT_STATUS_NO_SUCH_USER;
691 }
692
693 switch (sid_type) {
694 case SID_NAME_USER:
695 become_root();
696 pdb_get_account_policy(AP_MIN_PASSWORD_LEN,
697 &min_password_length);
698 pdb_get_account_policy(AP_USER_MUST_LOGON_TO_CHG_PASS,
699 &password_properties);
700 unbecome_root();
701
702 if (lp_check_password_script() && *lp_check_password_script()) {
703 password_properties |= DOMAIN_PASSWORD_COMPLEX;
704 }
705
706 break;
707 default:
708 break;
709 }
710
711 r->out.info->min_password_length = min_password_length;
712 r->out.info->password_properties = password_properties;
713
714 DEBUG(5,("_samr_GetUserPwInfo: %d\n", __LINE__));
715
716 return NT_STATUS_OK;
717 }
718
719 /*******************************************************************
720 ********************************************************************/
721
722 static bool get_lsa_policy_samr_sid( pipes_struct *p, struct policy_handle *pol,
723 DOM_SID *sid, uint32 *acc_granted,
724 DISP_INFO **ppdisp_info)
725 {
726 struct samr_info *info = NULL;
727
728 /* find the policy handle. open a policy on it. */
729 if (!find_policy_by_hnd(p, pol, (void **)(void *)&info))
730 return False;
731
732 if (!info)
733 return False;
734
735 *sid = info->sid;
736 *acc_granted = info->acc_granted;
737 if (ppdisp_info) {
738 *ppdisp_info = info->disp_info;
739 }
740
741 return True;
742 }
743
744 /*******************************************************************
745 _samr_SetSecurity
746 ********************************************************************/
747
748 NTSTATUS _samr_SetSecurity(pipes_struct *p,
749 struct samr_SetSecurity *r)
750 {
751 DOM_SID pol_sid;
752 uint32 acc_granted, i;
753 SEC_ACL *dacl;
754 bool ret;
755 struct samu *sampass=NULL;
756 NTSTATUS status;
757
758 if (!get_lsa_policy_samr_sid(p, r->in.handle, &pol_sid, &acc_granted, NULL))
759 return NT_STATUS_INVALID_HANDLE;
760
761 if (!(sampass = samu_new( p->mem_ctx))) {
762 DEBUG(0,("No memory!\n"));
763 return NT_STATUS_NO_MEMORY;
764 }
765
766 /* get the user record */
767 become_root();
768 ret = pdb_getsampwsid(sampass, &pol_sid);
769 unbecome_root();
770
771 if (!ret) {
772 DEBUG(4, ("User %s not found\n", sid_string_dbg(&pol_sid)));
773 TALLOC_FREE(sampass);
774 return NT_STATUS_INVALID_HANDLE;
775 }
776
777 dacl = r->in.sdbuf->sd->dacl;
778 for (i=0; i < dacl->num_aces; i++) {
779 if (sid_equal(&pol_sid, &dacl->aces[i].trustee)) {
780 ret = pdb_set_pass_can_change(sampass,
781 (dacl->aces[i].access_mask &
782 SAMR_USER_ACCESS_CHANGE_PASSWORD) ?
783 True: False);
784 break;
785 }
786 }
787
788 if (!ret) {
789 TALLOC_FREE(sampass);
790 return NT_STATUS_ACCESS_DENIED;
791 }
792
793 status = access_check_samr_function(acc_granted,
794 SAMR_USER_ACCESS_SET_ATTRIBUTES,
795 "_samr_SetSecurity");
796 if (NT_STATUS_IS_OK(status)) {
797 become_root();
798 status = pdb_update_sam_account(sampass);
799 unbecome_root();
800 }
801
802 TALLOC_FREE(sampass);
803
804 return status;
805 }
806
807 /*******************************************************************
808 build correct perms based on policies and password times for _samr_query_sec_obj
809 *******************************************************************/
810 static bool check_change_pw_access(TALLOC_CTX *mem_ctx, DOM_SID *user_sid)
811 {
812 struct samu *sampass=NULL;
813 bool ret;
814
815 if ( !(sampass = samu_new( mem_ctx )) ) {
816 DEBUG(0,("No memory!\n"));
817 return False;
818 }
819
820 become_root();
821 ret = pdb_getsampwsid(sampass, user_sid);
822 unbecome_root();
823
824 if (ret == False) {
825 DEBUG(4,("User %s not found\n", sid_string_dbg(user_sid)));
826 TALLOC_FREE(sampass);
827 return False;
828 }
829
830 DEBUG(3,("User:[%s]\n", pdb_get_username(sampass) ));
831
832 if (pdb_get_pass_can_change(sampass)) {
833 TALLOC_FREE(sampass);
834 return True;
835 }
836 TALLOC_FREE(sampass);
837 return False;
838 }
839
840
841 /*******************************************************************
842 _samr_QuerySecurity
843 ********************************************************************/
844
845 NTSTATUS _samr_QuerySecurity(pipes_struct *p,
846 struct samr_QuerySecurity *r)
847 {
848 NTSTATUS status;
849 DOM_SID pol_sid;
850 SEC_DESC * psd = NULL;
851 uint32 acc_granted;
852 size_t sd_size;
853
854 /* Get the SID. */
855 if (!get_lsa_policy_samr_sid(p, r->in.handle, &pol_sid, &acc_granted, NULL))
856 return NT_STATUS_INVALID_HANDLE;
857
858 DEBUG(10,("_samr_QuerySecurity: querying security on SID: %s\n",
859 sid_string_dbg(&pol_sid)));
860
861 status = access_check_samr_function(acc_granted,
862 STD_RIGHT_READ_CONTROL_ACCESS,
863 "_samr_QuerySecurity");
864 if (!NT_STATUS_IS_OK(status)) {
865 return status;
866 }
867
868 /* Check what typ of SID is beeing queried (e.g Domain SID, User SID, Group SID) */
869
870 /* To query the security of the SAM it self an invalid SID with S-0-0 is passed to this function */
871 if (pol_sid.sid_rev_num == 0) {
872 DEBUG(5,("_samr_QuerySecurity: querying security on SAM\n"));
873 status = make_samr_object_sd(p->mem_ctx, &psd, &sd_size, &sam_generic_mapping, NULL, 0);
874 } else if (sid_equal(&pol_sid,get_global_sam_sid())) {
875 /* check if it is our domain SID */
876 DEBUG(5,("_samr_QuerySecurity: querying security on Domain "
877 "with SID: %s\n", sid_string_dbg(&pol_sid)));
878 status = make_samr_object_sd(p->mem_ctx, &psd, &sd_size, &dom_generic_mapping, NULL, 0);
879 } else if (sid_equal(&pol_sid,&global_sid_Builtin)) {
880 /* check if it is the Builtin Domain */
881 /* TODO: Builtin probably needs a different SD with restricted write access*/
882 DEBUG(5,("_samr_QuerySecurity: querying security on Builtin "
883 "Domain with SID: %s\n", sid_string_dbg(&pol_sid)));
884 status = make_samr_object_sd(p->mem_ctx, &psd, &sd_size, &dom_generic_mapping, NULL, 0);
885 } else if (sid_check_is_in_our_domain(&pol_sid) ||
886 sid_check_is_in_builtin(&pol_sid)) {
887 /* TODO: different SDs have to be generated for aliases groups and users.
888 Currently all three get a default user SD */
889 DEBUG(10,("_samr_QuerySecurity: querying security on Object "
890 "with SID: %s\n", sid_string_dbg(&pol_sid)));
891 if (check_change_pw_access(p->mem_ctx, &pol_sid)) {
892 status = make_samr_object_sd(p->mem_ctx, &psd, &sd_size, &usr_generic_mapping,
893 &pol_sid, SAMR_USR_RIGHTS_WRITE_PW);
894 } else {
895 status = make_samr_object_sd(p->mem_ctx, &psd, &sd_size, &usr_nopwchange_generic_mapping,
896 &pol_sid, SAMR_USR_RIGHTS_CANT_WRITE_PW);
897 }
898 } else {
899 return NT_STATUS_OBJECT_TYPE_MISMATCH;
900 }
901
902 if ((*r->out.sdbuf = make_sec_desc_buf(p->mem_ctx, sd_size, psd)) == NULL)
903 return NT_STATUS_NO_MEMORY;
904
905 return status;
906 }
907
908 /*******************************************************************
909 makes a SAM_ENTRY / UNISTR2* structure from a user list.
910 ********************************************************************/
911
912 static NTSTATUS make_user_sam_entry_list(TALLOC_CTX *ctx,
913 struct samr_SamEntry **sam_pp,
914 uint32_t num_entries,
915 uint32_t start_idx,
916 struct samr_displayentry *entries)
917 {
918 uint32_t i;
919 struct samr_SamEntry *sam;
920
921 *sam_pp = NULL;
922
923 if (num_entries == 0) {
924 return NT_STATUS_OK;
925 }
926
927 sam = TALLOC_ZERO_ARRAY(ctx, struct samr_SamEntry, num_entries);
928 if (sam == NULL) {
929 DEBUG(0, ("make_user_sam_entry_list: TALLOC_ZERO failed!\n"));
930 return NT_STATUS_NO_MEMORY;
931 }
932
933 for (i = 0; i < num_entries; i++) {
934 #if 0
935 /*
936 * usrmgr expects a non-NULL terminated string with
937 * trust relationships
938 */
939 if (entries[i].acct_flags & ACB_DOMTRUST) {
940 init_unistr2(&uni_temp_name, entries[i].account_name,
941 UNI_FLAGS_NONE);
942 } else {
943 init_unistr2(&uni_temp_name, entries[i].account_name,
944 UNI_STR_TERMINATE);
945 }
946 #endif
947 init_lsa_String(&sam[i].name, entries[i].account_name);
948 sam[i].idx = entries[i].rid;
949 }
950
951 *sam_pp = sam;
952
953 return NT_STATUS_OK;
954 }
955
956 #define MAX_SAM_ENTRIES MAX_SAM_ENTRIES_W2K
957
958 /*******************************************************************
959 _samr_EnumDomainUsers
960 ********************************************************************/
961
962 NTSTATUS _samr_EnumDomainUsers(pipes_struct *p,
963 struct samr_EnumDomainUsers *r)
964 {
965 NTSTATUS status;
966 struct samr_info *info = NULL;
967 int num_account;
968 uint32 enum_context = *r->in.resume_handle;
969 enum remote_arch_types ra_type = get_remote_arch();
970 int max_sam_entries = (ra_type == RA_WIN95) ? MAX_SAM_ENTRIES_W95 : MAX_SAM_ENTRIES_W2K;
971 uint32 max_entries = max_sam_entries;
972 struct samr_displayentry *entries = NULL;
973 struct samr_SamArray *samr_array = NULL;
974 struct samr_SamEntry *samr_entries = NULL;
975
976 /* find the policy handle. open a policy on it. */
977 if (!find_policy_by_hnd(p, r->in.domain_handle, (void **)(void *)&info))
978 return NT_STATUS_INVALID_HANDLE;
979
980 status = access_check_samr_function(info->acc_granted,
981 SAMR_DOMAIN_ACCESS_ENUM_ACCOUNTS,
982 "_samr_EnumDomainUsers");
983 if (!NT_STATUS_IS_OK(status)) {
984 return status;
985 }
986
987 DEBUG(5,("_samr_EnumDomainUsers: %d\n", __LINE__));
988
989 if (info->builtin_domain) {
990 /* No users in builtin. */
991 *r->out.resume_handle = *r->in.resume_handle;
992 DEBUG(5,("_samr_EnumDomainUsers: No users in BUILTIN\n"));
993 return status;
994 }
995
996 samr_array = TALLOC_ZERO_P(p->mem_ctx, struct samr_SamArray);
997 if (!samr_array) {
998 return NT_STATUS_NO_MEMORY;
999 }
1000 *r->out.sam = samr_array;
1001
1002 become_root();
1003
1004 /* AS ROOT !!!! */
1005
1006 if ((info->disp_info->enum_users != NULL) &&
1007 (info->disp_info->enum_acb_mask != r->in.acct_flags)) {
1008 TALLOC_FREE(info->disp_info->enum_users);
1009 }
1010
1011 if (info->disp_info->enum_users == NULL) {
1012 info->disp_info->enum_users = pdb_search_users(
1013 info->disp_info, r->in.acct_flags);
1014 info->disp_info->enum_acb_mask = r->in.acct_flags;
1015 }
1016
1017 if (info->disp_info->enum_users == NULL) {
1018 /* END AS ROOT !!!! */
1019 unbecome_root();
1020 return NT_STATUS_ACCESS_DENIED;
1021 }
1022
1023 num_account = pdb_search_entries(info->disp_info->enum_users,
1024 enum_context, max_entries,
1025 &entries);
1026
1027 /* END AS ROOT !!!! */
1028
1029 unbecome_root();
1030
1031 if (num_account == 0) {
1032 DEBUG(5, ("_samr_EnumDomainUsers: enumeration handle over "
1033 "total entries\n"));
1034 *r->out.resume_handle = *r->in.resume_handle;
1035 return NT_STATUS_OK;
1036 }
1037
1038 status = make_user_sam_entry_list(p->mem_ctx, &samr_entries,
1039 num_account, enum_context,
1040 entries);
1041 if (!NT_STATUS_IS_OK(status)) {
1042 return status;
1043 }
1044
1045 if (max_entries <= num_account) {
1046 status = STATUS_MORE_ENTRIES;
1047 } else {
1048 status = NT_STATUS_OK;
1049 }
1050
1051 /* Ensure we cache this enumeration. */
1052 set_disp_info_cache_timeout(info->disp_info, DISP_INFO_CACHE_TIMEOUT);
1053
1054 DEBUG(5, ("_samr_EnumDomainUsers: %d\n", __LINE__));
1055
1056 samr_array->count = num_account;
1057 samr_array->entries = samr_entries;
1058
1059 *r->out.resume_handle = *r->in.resume_handle + num_account;
1060 *r->out.num_entries = num_account;
1061
1062 DEBUG(5,("_samr_EnumDomainUsers: %d\n", __LINE__));
1063
1064 return status;
1065 }
1066
1067 /*******************************************************************
1068 makes a SAM_ENTRY / UNISTR2* structure from a group list.
1069 ********************************************************************/
1070
1071 static void make_group_sam_entry_list(TALLOC_CTX *ctx,
1072 struct samr_SamEntry **sam_pp,
1073 uint32_t num_sam_entries,
1074 struct samr_displayentry *entries)
1075 {
1076 struct samr_SamEntry *sam;
1077 uint32_t i;
1078
1079 *sam_pp = NULL;
1080
1081 if (num_sam_entries == 0) {
1082 return;
1083 }
1084
1085 sam = TALLOC_ZERO_ARRAY(ctx, struct samr_SamEntry, num_sam_entries);
1086 if (sam == NULL) {
1087 return;
1088 }
1089
1090 for (i = 0; i < num_sam_entries; i++) {
1091 /*
1092 * JRA. I think this should include the null. TNG does not.
1093 */
1094 init_lsa_String(&sam[i].name, entries[i].account_name);
1095 sam[i].idx = entries[i].rid;
1096 }
1097
1098 *sam_pp = sam;
1099 }
1100
1101 /*******************************************************************
1102 _samr_EnumDomainGroups
1103 ********************************************************************/
1104
1105 NTSTATUS _samr_EnumDomainGroups(pipes_struct *p,
1106 struct samr_EnumDomainGroups *r)
1107 {
1108 NTSTATUS status;
1109 struct samr_info *info = NULL;
1110 struct samr_displayentry *groups;
1111 uint32 num_groups;
1112 struct samr_SamArray *samr_array = NULL;
1113 struct samr_SamEntry *samr_entries = NULL;
1114
1115 /* find the policy handle. open a policy on it. */
1116 if (!find_policy_by_hnd(p, r->in.domain_handle, (void **)(void *)&info))
1117 return NT_STATUS_INVALID_HANDLE;
1118
1119 status = access_check_samr_function(info->acc_granted,
1120 SAMR_DOMAIN_ACCESS_ENUM_ACCOUNTS,
1121 "_samr_EnumDomainGroups");
1122 if (!NT_STATUS_IS_OK(status)) {
1123 return status;
1124 }
1125
1126 DEBUG(5,("_samr_EnumDomainGroups: %d\n", __LINE__));
1127
1128 if (info->builtin_domain) {
1129 /* No groups in builtin. */
1130 *r->out.resume_handle = *r->in.resume_handle;
1131 DEBUG(5,("_samr_EnumDomainGroups: No groups in BUILTIN\n"));
1132 return status;
1133 }
1134
1135 samr_array = TALLOC_ZERO_P(p->mem_ctx, struct samr_SamArray);
1136 if (!samr_array) {
1137 return NT_STATUS_NO_MEMORY;
1138 }
1139
1140 /* the domain group array is being allocated in the function below */
1141
1142 become_root();
1143
1144 if (info->disp_info->groups == NULL) {
1145 info->disp_info->groups = pdb_search_groups(info->disp_info);
1146
1147 if (info->disp_info->groups == NULL) {
1148 unbecome_root();
1149 return NT_STATUS_ACCESS_DENIED;
1150 }
1151 }
1152
1153 num_groups = pdb_search_entries(info->disp_info->groups,
1154 *r->in.resume_handle,
1155 MAX_SAM_ENTRIES, &groups);
1156 unbecome_root();
1157
1158 /* Ensure we cache this enumeration. */
1159 set_disp_info_cache_timeout(info->disp_info, DISP_INFO_CACHE_TIMEOUT);
1160
1161 make_group_sam_entry_list(p->mem_ctx, &samr_entries,
1162 num_groups, groups);
1163
1164 samr_array->count = num_groups;
1165 samr_array->entries = samr_entries;
1166
1167 *r->out.sam = samr_array;
1168 *r->out.num_entries = num_groups;
1169 *r->out.resume_handle = num_groups + *r->in.resume_handle;
1170
1171 DEBUG(5,("_samr_EnumDomainGroups: %d\n", __LINE__));
1172
1173 return status;
1174 }
1175
1176 /*******************************************************************
1177 _samr_EnumDomainAliases
1178 ********************************************************************/
1179
1180 NTSTATUS _samr_EnumDomainAliases(pipes_struct *p,
1181 struct samr_EnumDomainAliases *r)
1182 {
1183 NTSTATUS status;
1184 struct samr_info *info;
1185 struct samr_displayentry *aliases;
1186 uint32 num_aliases = 0;
1187 struct samr_SamArray *samr_array = NULL;
1188 struct samr_SamEntry *samr_entries = NULL;
1189
1190 /* find the policy handle. open a policy on it. */
1191 if (!find_policy_by_hnd(p, r->in.domain_handle, (void **)(void *)&info))
1192 return NT_STATUS_INVALID_HANDLE;
1193
1194 DEBUG(5,("_samr_EnumDomainAliases: sid %s\n",
1195 sid_string_dbg(&info->sid)));
1196
1197 status = access_check_samr_function(info->acc_granted,
1198 SAMR_DOMAIN_ACCESS_ENUM_ACCOUNTS,
1199 "_samr_EnumDomainAliases");
1200 if (!NT_STATUS_IS_OK(status)) {
1201 return status;
1202 }
1203
1204 samr_array = TALLOC_ZERO_P(p->mem_ctx, struct samr_SamArray);
1205 if (!samr_array) {
1206 return NT_STATUS_NO_MEMORY;
1207 }
1208
1209 become_root();
1210
1211 if (info->disp_info->aliases == NULL) {
1212 info->disp_info->aliases = pdb_search_aliases(
1213 info->disp_info, &info->sid);
1214 if (info->disp_info->aliases == NULL) {
1215 unbecome_root();
1216 return NT_STATUS_ACCESS_DENIED;
1217 }
1218 }
1219
1220 num_aliases = pdb_search_entries(info->disp_info->aliases,
1221 *r->in.resume_handle,
1222 MAX_SAM_ENTRIES, &aliases);
1223 unbecome_root();
1224
1225 /* Ensure we cache this enumeration. */
1226 set_disp_info_cache_timeout(info->disp_info, DISP_INFO_CACHE_TIMEOUT);
1227
1228 make_group_sam_entry_list(p->mem_ctx, &samr_entries,
1229 num_aliases, aliases);
1230
1231 DEBUG(5,("_samr_EnumDomainAliases: %d\n", __LINE__));
1232
1233 samr_array->count = num_aliases;
1234 samr_array->entries = samr_entries;
1235
1236 *r->out.sam = samr_array;
1237 *r->out.num_entries = num_aliases;
1238 *r->out.resume_handle = num_aliases + *r->in.resume_handle;
1239
1240 return status;
1241 }
1242
1243 /*******************************************************************
1244 inits a samr_DispInfoGeneral structure.
1245 ********************************************************************/
1246
1247 static NTSTATUS init_samr_dispinfo_1(TALLOC_CTX *ctx,
1248 struct samr_DispInfoGeneral *r,
1249 uint32_t num_entries,
1250 uint32_t start_idx,
1251 struct samr_displayentry *entries)
1252 {
1253 uint32 i;
1254
1255 DEBUG(10, ("init_samr_dispinfo_1: num_entries: %d\n", num_entries));
1256
1257 if (num_entries == 0) {
1258 return NT_STATUS_OK;
1259 }
1260
1261 r->count = num_entries;
1262
1263 r->entries = TALLOC_ZERO_ARRAY(ctx, struct samr_DispEntryGeneral, num_entries);
1264 if (!r->entries) {
1265 return NT_STATUS_NO_MEMORY;
1266 }
1267
1268 for (i = 0; i < num_entries ; i++) {
1269
1270 init_lsa_String(&r->entries[i].account_name,
1271 entries[i].account_name);
1272
1273 init_lsa_String(&r->entries[i].description,
1274 entries[i].description);
1275
1276 init_lsa_String(&r->entries[i].full_name,
1277 entries[i].fullname);
1278
1279 r->entries[i].rid = entries[i].rid;
1280 r->entries[i].acct_flags = entries[i].acct_flags;
1281 r->entries[i].idx = start_idx+i+1;
1282 }
1283
1284 return NT_STATUS_OK;
1285 }
1286
1287 /*******************************************************************
1288 inits a samr_DispInfoFull structure.
1289 ********************************************************************/
1290
1291 static NTSTATUS init_samr_dispinfo_2(TALLOC_CTX *ctx,
1292 struct samr_DispInfoFull *r,
1293 uint32_t num_entries,
1294 uint32_t start_idx,
1295 struct samr_displayentry *entries)
1296 {
1297 uint32_t i;
1298
1299 DEBUG(10, ("init_samr_dispinfo_2: num_entries: %d\n", num_entries));
1300
1301 if (num_entries == 0) {
1302 return NT_STATUS_OK;
1303 }
1304
1305 r->count = num_entries;
1306
1307 r->entries = TALLOC_ZERO_ARRAY(ctx, struct samr_DispEntryFull, num_entries);
1308 if (!r->entries) {
1309 return NT_STATUS_NO_MEMORY;
1310 }
1311
1312 for (i = 0; i < num_entries ; i++) {
1313
1314 init_lsa_String(&r->entries[i].account_name,
1315 entries[i].account_name);
1316
1317 init_lsa_String(&r->entries[i].description,
1318 entries[i].description);
1319
1320 r->entries[i].rid = entries[i].rid;
1321 r->entries[i].acct_flags = entries[i].acct_flags;
1322 r->entries[i].idx = start_idx+i+1;
1323 }
1324
1325 return NT_STATUS_OK;
1326 }
1327
1328 /*******************************************************************
1329 inits a samr_DispInfoFullGroups structure.
1330 ********************************************************************/
1331
1332 static NTSTATUS init_samr_dispinfo_3(TALLOC_CTX *ctx,
1333 struct samr_DispInfoFullGroups *r,
1334 uint32_t num_entries,
1335 uint32_t start_idx,
1336 struct samr_displayentry *entries)
1337 {
1338 uint32_t i;
1339
1340 DEBUG(5, ("init_samr_dispinfo_3: num_entries: %d\n", num_entries));
1341
1342 if (num_entries == 0) {
1343 return NT_STATUS_OK;
1344 }
1345
1346 r->count = num_entries;
1347
1348 r->entries = TALLOC_ZERO_ARRAY(ctx, struct samr_DispEntryFullGroup, num_entries);
1349 if (!r->entries) {
1350 return NT_STATUS_NO_MEMORY;
1351 }
1352
1353 for (i = 0; i < num_entries ; i++) {
1354
1355 init_lsa_String(&r->entries[i].account_name,
1356 entries[i].account_name);
1357
1358 init_lsa_String(&r->entries[i].description,
1359 entries[i].description);
1360
1361 r->entries[i].rid = entries[i].rid;
1362 r->entries[i].acct_flags = entries[i].acct_flags;
1363 r->entries[i].idx = start_idx+i+1;
1364 }
1365
1366 return NT_STATUS_OK;
1367 }
1368
1369 /*******************************************************************
1370 inits a samr_DispInfoAscii structure.
1371 ********************************************************************/
1372
1373 static NTSTATUS init_samr_dispinfo_4(TALLOC_CTX *ctx,
1374 struct samr_DispInfoAscii *r,
1375 uint32_t num_entries,
1376 uint32_t start_idx,
1377 struct samr_displayentry *entries)
1378 {
1379 uint32_t i;
1380
1381 DEBUG(5, ("init_samr_dispinfo_4: num_entries: %d\n", num_entries));
1382
1383 if (num_entries == 0) {
1384 return NT_STATUS_OK;
1385 }
1386
1387 r->count = num_entries;
1388
1389 r->entries = TALLOC_ZERO_ARRAY(ctx, struct samr_DispEntryAscii, num_entries);
1390 if (!r->entries) {
1391 return NT_STATUS_NO_MEMORY;
1392 }
1393
1394 for (i = 0; i < num_entries ; i++) {
1395
1396 init_lsa_AsciiStringLarge(&r->entries[i].account_name,
1397 entries[i].account_name);
1398
1399 r->entries[i].idx = start_idx+i+1;
1400 }
1401
1402 return NT_STATUS_OK;
1403 }
1404
1405 /*******************************************************************
1406 inits a samr_DispInfoAscii structure.
1407 ********************************************************************/
1408
1409 static NTSTATUS init_samr_dispinfo_5(TALLOC_CTX *ctx,
1410 struct samr_DispInfoAscii *r,
1411 uint32_t num_entries,
1412 uint32_t start_idx,
1413 struct samr_displayentry *entries)
1414 {
1415 uint32_t i;
1416
1417 DEBUG(5, ("init_samr_dispinfo_5: num_entries: %d\n", num_entries));
1418
1419 if (num_entries == 0) {
1420 return NT_STATUS_OK;
1421 }
1422
1423 r->count = num_entries;
1424
1425 r->entries = TALLOC_ZERO_ARRAY(ctx, struct samr_DispEntryAscii, num_entries);
1426 if (!r->entries) {
1427 return NT_STATUS_NO_MEMORY;
1428 }
1429
1430 for (i = 0; i < num_entries ; i++) {
1431
1432 init_lsa_AsciiStringLarge(&r->entries[i].account_name,
1433 entries[i].account_name);
1434
1435 r->entries[i].idx = start_idx+i+1;
1436 }
1437
1438 return NT_STATUS_OK;
1439 }
1440
1441 /*******************************************************************
1442 _samr_QueryDisplayInfo
1443 ********************************************************************/
1444
1445 NTSTATUS _samr_QueryDisplayInfo(pipes_struct *p,
1446 struct samr_QueryDisplayInfo *r)
1447 {
1448 NTSTATUS status;
1449 struct samr_info *info = NULL;
1450 uint32 struct_size=0x20; /* W2K always reply that, client doesn't care */
1451
1452 uint32 max_entries = r->in.max_entries;
1453 uint32 enum_context = r->in.start_idx;
1454 uint32 max_size = r->in.buf_size;
1455
1456 union samr_DispInfo *disp_info = r->out.info;
1457
1458 uint32 temp_size=0, total_data_size=0;
1459 NTSTATUS disp_ret = NT_STATUS_UNSUCCESSFUL;
1460 uint32 num_account = 0;
1461 enum remote_arch_types ra_type = get_remote_arch();
1462 int max_sam_entries = (ra_type == RA_WIN95) ? MAX_SAM_ENTRIES_W95 : MAX_SAM_ENTRIES_W2K;
1463 struct samr_displayentry *entries = NULL;
1464
1465 DEBUG(5,("_samr_QueryDisplayInfo: %d\n", __LINE__));
1466
1467 /* find the policy handle. open a policy on it. */
1468 if (!find_policy_by_hnd(p, r->in.domain_handle, (void **)(void *)&info))
1469 return NT_STATUS_INVALID_HANDLE;
1470
1471 if (info->builtin_domain) {
1472 DEBUG(5,("_samr_QueryDisplayInfo: Nothing in BUILTIN\n"));
1473 return NT_STATUS_OK;
1474 }
1475
1476 status = access_check_samr_function(info->acc_granted,
1477 SAMR_DOMAIN_ACCESS_ENUM_ACCOUNTS,
1478 "_samr_QueryDisplayInfo");
1479 if (!NT_STATUS_IS_OK(status)) {
1480 return status;
1481 }
1482
1483 /*
1484 * calculate how many entries we will return.
1485 * based on
1486 * - the number of entries the client asked
1487 * - our limit on that
1488 * - the starting point (enumeration context)
1489 * - the buffer size the client will accept
1490 */
1491
1492 /*
1493 * We are a lot more like W2K. Instead of reading the SAM
1494 * each time to find the records we need to send back,
1495 * we read it once and link that copy to the sam handle.
1496 * For large user list (over the MAX_SAM_ENTRIES)
1497 * it's a definitive win.
1498 * second point to notice: between enumerations
1499 * our sam is now the same as it's a snapshoot.
1500 * third point: got rid of the static SAM_USER_21 struct
1501 * no more intermediate.
1502 * con: it uses much more memory, as a full copy is stored
1503 * in memory.
1504 *
1505 * If you want to change it, think twice and think
1506 * of the second point , that's really important.
1507 *
1508 * JFM, 12/20/2001
1509 */
1510
1511 if ((r->in.level < 1) || (r->in.level > 5)) {
1512 DEBUG(0,("_samr_QueryDisplayInfo: Unknown info level (%u)\n",
1513 (unsigned int)r->in.level ));
1514 return NT_STATUS_INVALID_INFO_CLASS;
1515 }
1516
1517 /* first limit the number of entries we will return */
1518 if(max_entries > max_sam_entries) {
1519 DEBUG(5, ("_samr_QueryDisplayInfo: client requested %d "
1520 "entries, limiting to %d\n", max_entries,
1521 max_sam_entries));
1522 max_entries = max_sam_entries;
1523 }
1524
1525 /* calculate the size and limit on the number of entries we will
1526 * return */
1527
1528 temp_size=max_entries*struct_size;
1529
1530 if (temp_size>max_size) {
1531 max_entries=MIN((max_size/struct_size),max_entries);;
1532 DEBUG(5, ("_samr_QueryDisplayInfo: buffer size limits to "
1533 "only %d entries\n", max_entries));
1534 }
1535
1536 become_root();
1537
1538 /* THe following done as ROOT. Don't return without unbecome_root(). */
1539
1540 switch (r->in.level) {
1541 case 0x1:
1542 case 0x4:
1543 if (info->disp_info->users == NULL) {
1544 info->disp_info->users = pdb_search_users(
1545 info->disp_info, ACB_NORMAL);
1546 if (info->disp_info->users == NULL) {
1547 unbecome_root();
1548 return NT_STATUS_ACCESS_DENIED;
1549 }
1550 DEBUG(10,("_samr_QueryDisplayInfo: starting user enumeration at index %u\n",
1551 (unsigned int)enum_context ));
1552 } else {
1553 DEBUG(10,("_samr_QueryDisplayInfo: using cached user enumeration at index %u\n",
1554 (unsigned int)enum_context ));
1555 }
1556
1557 num_account = pdb_search_entries(info->disp_info->users,
1558 enum_context, max_entries,
1559 &entries);
1560 break;
1561 case 0x2:
1562 if (info->disp_info->machines == NULL) {
1563 info->disp_info->machines = pdb_search_users(
1564 info->disp_info, ACB_WSTRUST|ACB_SVRTRUST);
1565 if (info->disp_info->machines == NULL) {
1566 unbecome_root();
1567 return NT_STATUS_ACCESS_DENIED;
1568 }
1569 DEBUG(10,("_samr_QueryDisplayInfo: starting machine enumeration at index %u\n",
1570 (unsigned int)enum_context ));
1571 } else {
1572 DEBUG(10,("_samr_QueryDisplayInfo: using cached machine enumeration at index %u\n",
1573 (unsigned int)enum_context ));
1574 }
1575
1576 num_account = pdb_search_entries(info->disp_info->machines,
1577 enum_context, max_entries,
1578 &entries);
1579 break;
1580 case 0x3:
1581 case 0x5:
1582 if (info->disp_info->groups == NULL) {
1583 info->disp_info->groups = pdb_search_groups(
1584 info->disp_info);
1585 if (info->disp_info->groups == NULL) {
1586 unbecome_root();
1587 return NT_STATUS_ACCESS_DENIED;
1588 }
1589 DEBUG(10,("_samr_QueryDisplayInfo: starting group enumeration at index %u\n",
1590 (unsigned int)enum_context ));
1591 } else {
1592 DEBUG(10,("_samr_QueryDisplayInfo: using cached group enumeration at index %u\n",
1593 (unsigned int)enum_context ));
1594 }
1595
1596 num_account = pdb_search_entries(info->disp_info->groups,
1597 enum_context, max_entries,
1598 &entries);
1599 break;
1600 default:
1601 unbecome_root();
1602 smb_panic("info class changed");
1603 break;
1604 }
1605 unbecome_root();
1606
1607
1608 /* Now create reply structure */
1609 switch (r->in.level) {
1610 case 0x1:
1611 disp_ret = init_samr_dispinfo_1(p->mem_ctx, &disp_info->info1,
1612 num_account, enum_context,
1613 entries);
1614 break;
1615 case 0x2:
1616 disp_ret = init_samr_dispinfo_2(p->mem_ctx, &disp_info->info2,
1617 num_account, enum_context,
1618 entries);
1619 break;
1620 case 0x3:
1621 disp_ret = init_samr_dispinfo_3(p->mem_ctx, &disp_info->info3,
1622 num_account, enum_context,
1623 entries);
1624 break;
1625 case 0x4:
1626 disp_ret = init_samr_dispinfo_4(p->mem_ctx, &disp_info->info4,
1627 num_account, enum_context,
1628 entries);
1629 break;
1630 case 0x5:
1631 disp_ret = init_samr_dispinfo_5(p->mem_ctx, &disp_info->info5,
1632 num_account, enum_context,
1633 entries);
1634 break;
1635 default:
1636 smb_panic("info class changed");
1637 break;
1638 }
1639
1640 if (!NT_STATUS_IS_OK(disp_ret))
1641 return disp_ret;
1642
1643 /* calculate the total size */
1644 total_data_size=num_account*struct_size;
1645
1646 if (max_entries <= num_account) {
1647 status = STATUS_MORE_ENTRIES;
1648 } else {
1649 status = NT_STATUS_OK;
1650 }
1651
1652 /* Ensure we cache this enumeration. */
1653 set_disp_info_cache_timeout(info->disp_info, DISP_INFO_CACHE_TIMEOUT);
1654
1655 DEBUG(5, ("_samr_QueryDisplayInfo: %d\n", __LINE__));
1656
1657 *r->out.total_size = total_data_size;
1658 *r->out.returned_size = temp_size;
1659
1660 return status;
1661 }
1662
1663 /****************************************************************
1664 _samr_QueryDisplayInfo2
1665 ****************************************************************/
1666
1667 NTSTATUS _samr_QueryDisplayInfo2(pipes_struct *p,
1668 struct samr_QueryDisplayInfo2 *r)
1669 {
1670 struct samr_QueryDisplayInfo q;
1671
1672 q.in.domain_handle = r->in.domain_handle;
1673 q.in.level = r->in.level;
1674 q.in.start_idx = r->in.start_idx;
1675 q.in.max_entries = r->in.max_entries;
1676 q.in.buf_size = r->in.buf_size;
1677
1678 q.out.total_size = r->out.total_size;
1679 q.out.returned_size = r->out.returned_size;
1680 q.out.info = r->out.info;
1681
1682 return _samr_QueryDisplayInfo(p, &q);
1683 }
1684
1685 /****************************************************************
1686 _samr_QueryDisplayInfo3
1687 ****************************************************************/
1688
1689 NTSTATUS _samr_QueryDisplayInfo3(pipes_struct *p,
1690 struct samr_QueryDisplayInfo3 *r)
1691 {
1692 struct samr_QueryDisplayInfo q;
1693
1694 q.in.domain_handle = r->in.domain_handle;
1695 q.in.level = r->in.level;
1696 q.in.start_idx = r->in.start_idx;
1697 q.in.max_entries = r->in.max_entries;
1698 q.in.buf_size = r->in.buf_size;
1699
1700 q.out.total_size = r->out.total_size;
1701 q.out.returned_size = r->out.returned_size;
1702 q.out.info = r->out.info;
1703
1704 return _samr_QueryDisplayInfo(p, &q);
1705 }
1706
1707 /*******************************************************************
1708 _samr_QueryAliasInfo
1709 ********************************************************************/
1710
1711 NTSTATUS _samr_QueryAliasInfo(pipes_struct *p,
1712 struct samr_QueryAliasInfo *r)
1713 {
1714 DOM_SID sid;
1715 struct acct_info info;
1716 uint32 acc_granted;
1717 NTSTATUS status;
1718 union samr_AliasInfo *alias_info = NULL;
1719 const char *alias_name = NULL;
1720 const char *alias_description = NULL;
1721
1722 DEBUG(5,("_samr_QueryAliasInfo: %d\n", __LINE__));
1723
1724 alias_info = TALLOC_ZERO_P(p->mem_ctx, union samr_AliasInfo);
1725 if (!alias_info) {
1726 return NT_STATUS_NO_MEMORY;
1727 }
1728
1729 /* find the policy handle. open a policy on it. */
1730 if (!get_lsa_policy_samr_sid(p, r->in.alias_handle, &sid, &acc_granted, NULL))
1731 return NT_STATUS_INVALID_HANDLE;
1732
1733 status = access_check_samr_function(acc_granted,
1734 SAMR_ALIAS_ACCESS_LOOKUP_INFO,
1735 "_samr_QueryAliasInfo");
1736 if (!NT_STATUS_IS_OK(status)) {
1737 return status;
1738 }
1739
1740 become_root();
1741 status = pdb_get_aliasinfo(&sid, &info);
1742 unbecome_root();
1743
1744 if ( !NT_STATUS_IS_OK(status))
1745 return status;
1746
1747 /* FIXME: info contains fstrings */
1748 alias_name = talloc_strdup(r, info.acct_name);
1749 alias_description = talloc_strdup(r, info.acct_desc);
1750
1751 switch (r->in.level) {
1752 case ALIASINFOALL:
1753 alias_info->all.name.string = alias_name;
1754 alias_info->all.num_members = 1; /* ??? */
1755 alias_info->all.description.string = alias_description;
1756 break;
1757 case ALIASINFODESCRIPTION:
1758 alias_info->description.string = alias_description;
1759 break;
1760 default:
1761 return NT_STATUS_INVALID_INFO_CLASS;
1762 }
1763
1764 *r->out.info = alias_info;
1765
1766 DEBUG(5,("_samr_QueryAliasInfo: %d\n", __LINE__));
1767
1768 return NT_STATUS_OK;
1769 }
1770
1771 /*******************************************************************
1772 _samr_LookupNames
1773 ********************************************************************/
1774
1775 NTSTATUS _samr_LookupNames(pipes_struct *p,
1776 struct samr_LookupNames *r)
1777 {
1778 NTSTATUS status;
1779 uint32 *rid;
1780 enum lsa_SidType *type;
1781 int i;
1782 int num_rids = r->in.num_names;
1783 DOM_SID pol_sid;
1784 uint32 acc_granted;
1785 struct samr_Ids rids, types;
1786 uint32_t num_mapped = 0;
1787
1788 DEBUG(5,("_samr_LookupNames: %d\n", __LINE__));
1789
1790 if (!get_lsa_policy_samr_sid(p, r->in.domain_handle, &pol_sid, &acc_granted, NULL)) {
1791 return NT_STATUS_OBJECT_TYPE_MISMATCH;
1792 }
1793
1794 status = access_check_samr_function(acc_granted,
1795 0, /* Don't know the acc_bits yet */
1796 "_samr_LookupNames");
1797 if (!NT_STATUS_IS_OK(status)) {
1798 return status;
1799 }
1800
1801 if (num_rids > MAX_SAM_ENTRIES) {
1802 num_rids = MAX_SAM_ENTRIES;
1803 DEBUG(5,("_samr_LookupNames: truncating entries to %d\n", num_rids));
1804 }
1805
1806 rid = talloc_array(p->mem_ctx, uint32, num_rids);
1807 NT_STATUS_HAVE_NO_MEMORY(rid);
1808
1809 type = talloc_array(p->mem_ctx, enum lsa_SidType, num_rids);
1810 NT_STATUS_HAVE_NO_MEMORY(type);
1811
1812 DEBUG(5,("_samr_LookupNames: looking name on SID %s\n",
1813 sid_string_dbg(&pol_sid)));
1814
1815 for (i = 0; i < num_rids; i++) {
1816
1817 status = NT_STATUS_NONE_MAPPED;
1818 type[i] = SID_NAME_UNKNOWN;
1819
1820 rid[i] = 0xffffffff;
1821
1822 if (sid_check_is_builtin(&pol_sid)) {
1823 if (lookup_builtin_name(r->in.names[i].string,
1824 &rid[i]))
1825 {
1826 type[i] = SID_NAME_ALIAS;
1827 }
1828 } else {
1829 lookup_global_sam_name(r->in.names[i].string, 0,
1830 &rid[i], &type[i]);
1831 }
1832
1833 if (type[i] != SID_NAME_UNKNOWN) {
1834 num_mapped++;
1835 }
1836 }
1837
1838 if (num_mapped == num_rids) {
1839 status = NT_STATUS_OK;
1840 } else if (num_mapped == 0) {
1841 status = NT_STATUS_NONE_MAPPED;
1842 } else {
1843 status = STATUS_SOME_UNMAPPED;
1844 }
1845
1846 rids.count = num_rids;
1847 rids.ids = rid;
1848
1849 types.count = num_rids;
1850 types.ids = type;
1851
1852 *r->out.rids = rids;
1853 *r->out.types = types;
1854
1855 DEBUG(5,("_samr_LookupNames: %d\n", __LINE__));
1856
1857 return status;
1858 }
1859
1860 /*******************************************************************
1861 _samr_ChangePasswordUser2
1862 ********************************************************************/
1863
1864 NTSTATUS _samr_ChangePasswordUser2(pipes_struct *p,
1865 struct samr_ChangePasswordUser2 *r)
1866 {
1867 NTSTATUS status;
1868 fstring user_name;
1869 fstring wks;
1870
1871 DEBUG(5,("_samr_ChangePasswordUser2: %d\n", __LINE__));
1872
1873 fstrcpy(user_name, r->in.account->string);
1874 fstrcpy(wks, r->in.server->string);
1875
1876 DEBUG(5,("_samr_ChangePasswordUser2: user: %s wks: %s\n", user_name, wks));
1877
1878 /*
1879 * Pass the user through the NT -> unix user mapping
1880 * function.
1881 */
1882
1883 (void)map_username(user_name);
1884
1885 /*
1886 * UNIX username case mangling not required, pass_oem_change
1887 * is case insensitive.
1888 */
1889
1890 status = pass_oem_change(user_name,
1891 r->in.lm_password->data,
1892 r->in.lm_verifier->hash,
1893 r->in.nt_password->data,
1894 r->in.nt_verifier->hash,
1895 NULL);
1896
1897 DEBUG(5,("_samr_ChangePasswordUser2: %d\n", __LINE__));
1898
1899 return status;
1900 }
1901
1902 /*******************************************************************
1903 _samr_ChangePasswordUser3
1904 ********************************************************************/
1905
1906 NTSTATUS _samr_ChangePasswordUser3(pipes_struct *p,
1907 struct samr_ChangePasswordUser3 *r)
1908 {
1909 NTSTATUS status;
1910 fstring user_name;
1911 const char *wks = NULL;
1912 uint32 reject_reason;
1913 struct samr_DomInfo1 *dominfo = NULL;
1914 struct samr_ChangeReject *reject = NULL;
1915 uint32_t tmp;
1916
1917 DEBUG(5,("_samr_ChangePasswordUser3: %d\n", __LINE__));
1918
1919 fstrcpy(user_name, r->in.account->string);
1920 if (r->in.server && r->in.server->string) {
1921 wks = r->in.server->string;
1922 }
1923
1924 DEBUG(5,("_samr_ChangePasswordUser3: user: %s wks: %s\n", user_name, wks));
1925
1926 /*
1927 * Pass the user through the NT -> unix user mapping
1928 * function.
1929 */
1930
1931 (void)map_username(user_name);
1932
1933 /*
1934 * UNIX username case mangling not required, pass_oem_change
1935 * is case insensitive.
1936 */
1937
1938 status = pass_oem_change(user_name,
1939 r->in.lm_password->data,
1940 r->in.lm_verifier->hash,
1941 r->in.nt_password->data,
1942 r->in.nt_verifier->hash,
1943 &reject_reason);
1944
1945 if (NT_STATUS_EQUAL(status, NT_STATUS_PASSWORD_RESTRICTION) ||
1946 NT_STATUS_EQUAL(status, NT_STATUS_ACCOUNT_RESTRICTION)) {
1947
1948 time_t u_expire, u_min_age;
1949 uint32 account_policy_temp;
1950
1951 dominfo = TALLOC_ZERO_P(p->mem_ctx, struct samr_DomInfo1);
1952 if (!dominfo) {
1953 return NT_STATUS_NO_MEMORY;
1954 }
1955
1956 reject = TALLOC_ZERO_P(p->mem_ctx, struct samr_ChangeReject);
1957 if (!reject) {
1958 return NT_STATUS_NO_MEMORY;
1959 }
1960
1961 become_root();
1962
1963 /* AS ROOT !!! */
1964
1965 pdb_get_account_policy(AP_MIN_PASSWORD_LEN, &tmp);
1966 dominfo->min_password_length = tmp;
1967
1968 pdb_get_account_policy(AP_PASSWORD_HISTORY, &tmp);
1969 dominfo->password_history_length = tmp;
1970
1971 pdb_get_account_policy(AP_USER_MUST_LOGON_TO_CHG_PASS,
1972 &dominfo->password_properties);
1973
1974 pdb_get_account_policy(AP_MAX_PASSWORD_AGE, &account_policy_temp);
1975 u_expire = account_policy_temp;
1976
1977 pdb_get_account_policy(AP_MIN_PASSWORD_AGE, &account_policy_temp);
1978 u_min_age = account_policy_temp;
1979
1980 /* !AS ROOT */
1981
1982 unbecome_root();
1983
1984 unix_to_nt_time_abs((NTTIME *)&dominfo->max_password_age, u_expire);
1985 unix_to_nt_time_abs((NTTIME *)&dominfo->min_password_age, u_min_age);
1986
1987 if (lp_check_password_script() && *lp_check_password_script()) {
1988 dominfo->password_properties |= DOMAIN_PASSWORD_COMPLEX;
1989 }
1990
1991 reject->reason = reject_reason;
1992
1993 *r->out.dominfo = dominfo;
1994 *r->out.reject = reject;
1995 }
1996
1997 DEBUG(5,("_samr_ChangePasswordUser3: %d\n", __LINE__));
1998
1999 return status;
2000 }
2001
2002 /*******************************************************************
2003 makes a SAMR_R_LOOKUP_RIDS structure.
2004 ********************************************************************/
2005
2006 static bool make_samr_lookup_rids(TALLOC_CTX *ctx, uint32 num_names,
2007 const char **names,
2008 struct lsa_String **lsa_name_array_p)
2009 {
2010 struct lsa_String *lsa_name_array = NULL;
2011 uint32_t i;
2012
2013 *lsa_name_array_p = NULL;
2014
2015 if (num_names != 0) {
2016 lsa_name_array = TALLOC_ZERO_ARRAY(ctx, struct lsa_String, num_names);
2017 if (!lsa_name_array) {
2018 return false;
2019 }
2020 }
2021
2022 for (i = 0; i < num_names; i++) {
2023 DEBUG(10, ("names[%d]:%s\n", i, names[i] && *names[i] ? names[i] : ""));
2024 init_lsa_String(&lsa_name_array[i], names[i]);
2025 }
2026
2027 *lsa_name_array_p = lsa_name_array;
2028
2029 return true;
2030 }
2031
2032 /*******************************************************************
2033 _samr_LookupRids
2034 ********************************************************************/
2035
2036 NTSTATUS _samr_LookupRids(pipes_struct *p,
2037 struct samr_LookupRids *r)
2038 {
2039 NTSTATUS status;
2040 const char **names;
2041 enum lsa_SidType *attrs = NULL;
2042 uint32 *wire_attrs = NULL;
2043 DOM_SID pol_sid;
2044 int num_rids = (int)r->in.num_rids;
2045 uint32 acc_granted;
2046 int i;
2047 struct lsa_Strings names_array;
2048 struct samr_Ids types_array;
2049 struct lsa_String *lsa_names = NULL;
2050
2051 DEBUG(5,("_samr_LookupRids: %d\n", __LINE__));
2052
2053 /* find the policy handle. open a policy on it. */
2054 if (!get_lsa_policy_samr_sid(p, r->in.domain_handle, &pol_sid, &acc_granted, NULL))
2055 return NT_STATUS_INVALID_HANDLE;
2056
2057 status = access_check_samr_function(acc_granted,
2058 0, /* Don't know the acc_bits yet */
2059 "_samr_LookupRids");
2060 if (!NT_STATUS_IS_OK(status)) {
2061 return status;
2062 }
2063
2064 if (num_rids > 1000) {
2065 DEBUG(0, ("Got asked for %d rids (more than 1000) -- according "
2066 "to samba4 idl this is not possible\n", num_rids));
2067 return NT_STATUS_UNSUCCESSFUL;
2068 }
2069
2070 if (num_rids) {
2071 names = TALLOC_ZERO_ARRAY(p->mem_ctx, const char *, num_rids);
2072 attrs = TALLOC_ZERO_ARRAY(p->mem_ctx, enum lsa_SidType, num_rids);
2073 wire_attrs = TALLOC_ZERO_ARRAY(p->mem_ctx, uint32, num_rids);
2074
2075 if ((names == NULL) || (attrs == NULL) || (wire_attrs==NULL))
2076 return NT_STATUS_NO_MEMORY;
2077 } else {
2078 names = NULL;
2079 attrs = NULL;
2080 wire_attrs = NULL;
2081 }
2082
2083 become_root(); /* lookup_sid can require root privs */
2084 status = pdb_lookup_rids(&pol_sid, num_rids, r->in.rids,
2085 names, attrs);
2086 unbecome_root();
2087
2088 if (NT_STATUS_EQUAL(status, NT_STATUS_NONE_MAPPED) && (num_rids == 0)) {
2089 status = NT_STATUS_OK;
2090 }
2091
2092 if (!make_samr_lookup_rids(p->mem_ctx, num_rids, names,
2093 &lsa_names)) {
2094 return NT_STATUS_NO_MEMORY;
2095 }
2096
2097 /* Convert from enum lsa_SidType to uint32 for wire format. */
2098 for (i = 0; i < num_rids; i++) {
2099 wire_attrs[i] = (uint32)attrs[i];
2100 }
2101
2102 names_array.count = num_rids;
2103 names_array.names = lsa_names;
2104
2105 types_array.count = num_rids;
2106 types_array.ids = wire_attrs;
2107
2108 *r->out.names = names_array;
2109 *r->out.types = types_array;
2110
2111 DEBUG(5,("_samr_LookupRids: %d\n", __LINE__));
2112
2113 return status;
2114 }
2115
2116 /*******************************************************************
2117 _samr_OpenUser
2118 ********************************************************************/
2119
2120 NTSTATUS _samr_OpenUser(pipes_struct *p,
2121 struct samr_OpenUser *r)
2122 {
2123 struct samu *sampass=NULL;
2124 DOM_SID sid;
2125 struct samr_info *info = NULL;
2126 SEC_DESC *psd = NULL;
2127 uint32 acc_granted;
2128 uint32 des_access = r->in.access_mask;
2129 size_t sd_size;
2130 bool ret;
2131 NTSTATUS nt_status;
2132 SE_PRIV se_rights;
2133
2134 /* find the domain policy handle and get domain SID / access bits in the domain policy. */
2135
2136 if ( !get_lsa_policy_samr_sid(p, r->in.domain_handle, &sid, &acc_granted, NULL) )
2137 return NT_STATUS_INVALID_HANDLE;
2138
2139 nt_status = access_check_samr_function(acc_granted,
2140 SAMR_DOMAIN_ACCESS_OPEN_ACCOUNT,
2141 "_samr_OpenUser" );
2142
2143 if ( !NT_STATUS_IS_OK(nt_status) )
2144 return nt_status;
2145
2146 if ( !(sampass = samu_new( p->mem_ctx )) ) {
2147 return NT_STATUS_NO_MEMORY;
2148 }
2149
2150 /* append the user's RID to it */
2151
2152 if (!sid_append_rid(&sid, r->in.rid))
2153 return NT_STATUS_NO_SUCH_USER;
2154
2155 /* check if access can be granted as requested by client. */
2156
2157 map_max_allowed_access(p->server_info->ptok, &des_access);
2158
2159 make_samr_object_sd(p->mem_ctx, &psd, &sd_size, &usr_generic_mapping, &sid, SAMR_USR_RIGHTS_WRITE_PW);
2160 se_map_generic(&des_access, &usr_generic_mapping);
2161
2162 se_priv_copy( &se_rights, &se_machine_account );
2163 se_priv_add( &se_rights, &se_add_users );
2164
2165 nt_status = access_check_samr_object(psd, p->server_info->ptok,
2166 &se_rights, GENERIC_RIGHTS_USER_WRITE, des_access,
2167 &acc_granted, "_samr_OpenUser");
2168
2169 if ( !NT_STATUS_IS_OK(nt_status) )
2170 return nt_status;
2171
2172 become_root();
2173 ret=pdb_getsampwsid(sampass, &sid);
2174 unbecome_root();
2175
2176 /* check that the SID exists in our domain. */
2177 if (ret == False) {
2178 return NT_STATUS_NO_SUCH_USER;
2179 }
2180
2181 TALLOC_FREE(sampass);
2182
2183 /* associate the user's SID and access bits with the new handle. */
2184 if ((info = get_samr_info_by_sid(p->mem_ctx, &sid)) == NULL)
2185 return NT_STATUS_NO_MEMORY;
2186 info->acc_granted = acc_granted;
2187
2188 /* get a (unique) handle. open a policy on it. */
2189 if (!create_policy_hnd(p, r->out.user_handle, info))
2190 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
2191
2192 return NT_STATUS_OK;
2193 }
2194
2195 /*************************************************************************
2196 *************************************************************************/
2197
2198 static NTSTATUS init_samr_parameters_string(TALLOC_CTX *mem_ctx,
2199 DATA_BLOB *blob,
2200 struct lsa_BinaryString **_r)
2201 {
2202 struct lsa_BinaryString *r;
2203
2204 if (!blob || !_r) {
2205 return NT_STATUS_INVALID_PARAMETER;
2206 }
2207
2208 r = TALLOC_ZERO_P(mem_ctx, struct lsa_BinaryString);
2209 if (!r) {
2210 return NT_STATUS_NO_MEMORY;
2211 }
2212
2213 r->array = TALLOC_ZERO_ARRAY(mem_ctx, uint16_t, blob->length/2);
2214 if (!r->array) {
2215 return NT_STATUS_NO_MEMORY;
2216 }
2217 memcpy(r->array, blob->data, blob->length);
2218 r->size = blob->length;
2219 r->length = blob->length;
2220
2221 if (!r->array) {
2222 return NT_STATUS_NO_MEMORY;
2223 }
2224
2225 *_r = r;
2226
2227 return NT_STATUS_OK;
2228 }
2229
2230 static NTSTATUS get_user_info_5(TALLOC_CTX *mem_ctx,
2231 struct samr_UserInfo5 *r,
2232 struct samu *pw,
2233 DOM_SID *domain_sid)
2234 {
2235 const DOM_SID *sid_user, *sid_group;
2236 uint32_t rid, primary_gid;
2237
2238 sid_user = pdb_get_user_sid(pw);
2239
2240 if (!sid_peek_check_rid(domain_sid, sid_user, &rid)) {
2241 DEBUG(0, ("get_user_info_5: User %s has SID %s, \nwhich conflicts with "
2242 "the domain sid %s. Failing operation.\n",
2243 pdb_get_username(pw), sid_string_dbg(sid_user),
2244 sid_string_dbg(domain_sid)));
2245 return NT_STATUS_UNSUCCESSFUL;
2246 }
2247
2248 become_root();
2249 sid_group = pdb_get_group_sid(pw);
2250 unbecome_root();
2251
2252 if (!sid_peek_check_rid(domain_sid, sid_group, &primary_gid)) {
2253 DEBUG(0, ("get_user_info_5: User %s has Primary Group SID %s, \n"
2254 "which conflicts with the domain sid %s. Failing operation.\n",
2255 pdb_get_username(pw), sid_string_dbg(sid_group),
2256 sid_string_dbg(domain_sid)));
2257 return NT_STATUS_UNSUCCESSFUL;
2258 }
2259
2260 unix_to_nt_time(&r->last_logon, pdb_get_logon_time(pw));
2261 unix_to_nt_time(&r->last_logoff, pdb_get_logoff_time(pw));
2262 unix_to_nt_time(&r->acct_expiry, pdb_get_kickoff_time(pw));
2263 unix_to_nt_time(&r->last_password_change, pdb_get_pass_last_set_time(pw));
2264
2265 r->account_name.string = talloc_strdup(mem_ctx, pdb_get_username(pw));
2266 r->full_name.string = talloc_strdup(mem_ctx, pdb_get_fullname(pw));
2267 r->home_directory.string= talloc_strdup(mem_ctx, pdb_get_homedir(pw));
2268 r->home_drive.string = talloc_strdup(mem_ctx, pdb_get_dir_drive(pw));
2269 r->logon_script.string = talloc_strdup(mem_ctx, pdb_get_logon_script(pw));
2270 r->profile_path.string = talloc_strdup(mem_ctx, pdb_get_profile_path(pw));
2271 r->description.string = talloc_strdup(mem_ctx, pdb_get_acct_desc(pw));
2272 r->workstations.string = talloc_strdup(mem_ctx, pdb_get_workstations(pw));
2273
2274 r->logon_hours = get_logon_hours_from_pdb(mem_ctx, pw);
2275 r->rid = rid;
2276 r->primary_gid = primary_gid;
2277 r->acct_flags = pdb_get_acct_ctrl(pw);
2278 r->bad_password_count = pdb_get_bad_password_count(pw);
2279 r->logon_count = pdb_get_logon_count(pw);
2280
2281 return NT_STATUS_OK;
2282 }
2283
2284 /*************************************************************************
2285 get_user_info_7. Safe. Only gives out account_name.
2286 *************************************************************************/
2287
2288 static NTSTATUS get_user_info_7(TALLOC_CTX *mem_ctx,
2289 struct samr_UserInfo7 *r,
2290 struct samu *smbpass)
2291 {
2292 r->account_name.string = talloc_strdup(mem_ctx, pdb_get_username(smbpass));
2293 if (!r->account_name.string) {
2294 return NT_STATUS_NO_MEMORY;
2295 }
2296
2297 return NT_STATUS_OK;
2298 }
2299
2300 /*************************************************************************
2301 get_user_info_9. Only gives out primary group SID.
2302 *************************************************************************/
2303
2304 static NTSTATUS get_user_info_9(TALLOC_CTX *mem_ctx,
2305 struct samr_UserInfo9 *r,
2306 struct samu *smbpass)
2307 {
2308 r->primary_gid = pdb_get_group_rid(smbpass);
2309
2310 return NT_STATUS_OK;
2311 }
2312
2313 /*************************************************************************
2314 get_user_info_16. Safe. Only gives out acb bits.
2315 *************************************************************************/
2316
2317 static NTSTATUS get_user_info_16(TALLOC_CTX *mem_ctx,
2318 struct samr_UserInfo16 *r,
2319 struct samu *smbpass)
2320 {
2321 r->acct_flags = pdb_get_acct_ctrl(smbpass);
2322
2323 return NT_STATUS_OK;
2324 }
2325
2326 /*************************************************************************
2327 get_user_info_18. OK - this is the killer as it gives out password info.
2328 Ensure that this is only allowed on an encrypted connection with a root
2329 user. JRA.
2330 *************************************************************************/
2331
2332 static NTSTATUS get_user_info_18(pipes_struct *p,
2333 TALLOC_CTX *mem_ctx,
2334 struct samr_UserInfo18 *r,
2335 DOM_SID *user_sid)
2336 {
2337 struct samu *smbpass=NULL;
2338 bool ret;
2339
2340 ZERO_STRUCTP(r);
2341
2342 if (p->auth.auth_type != PIPE_AUTH_TYPE_NTLMSSP || p->auth.auth_type != PIPE_AUTH_TYPE_SPNEGO_NTLMSSP) {
2343 return NT_STATUS_ACCESS_DENIED;
2344 }
2345
2346 if (p->auth.auth_level != PIPE_AUTH_LEVEL_PRIVACY) {
2347 return NT_STATUS_ACCESS_DENIED;
2348 }
2349
2350 /*
2351 * Do *NOT* do become_root()/unbecome_root() here ! JRA.
2352 */
2353
2354 if ( !(smbpass = samu_new( mem_ctx )) ) {
2355 return NT_STATUS_NO_MEMORY;
2356 }
2357
2358 ret = pdb_getsampwsid(smbpass, user_sid);
2359
2360 if (ret == False) {
2361 DEBUG(4, ("User %s not found\n", sid_string_dbg(user_sid)));
2362 TALLOC_FREE(smbpass);
2363 return (geteuid() == (uid_t)0) ? NT_STATUS_NO_SUCH_USER : NT_STATUS_ACCESS_DENIED;
2364 }
2365
2366 DEBUG(3,("User:[%s] 0x%x\n", pdb_get_username(smbpass), pdb_get_acct_ctrl(smbpass) ));
2367
2368 if ( pdb_get_acct_ctrl(smbpass) & ACB_DISABLED) {
2369 TALLOC_FREE(smbpass);
2370 return NT_STATUS_ACCOUNT_DISABLED;
2371 }
2372
2373 r->lm_pwd_active = true;
2374 r->nt_pwd_active = true;
2375 memcpy(r->lm_pwd.hash, pdb_get_lanman_passwd(smbpass), 16);
2376 memcpy(r->nt_pwd.hash, pdb_get_nt_passwd(smbpass), 16);
2377 r->password_expired = 0; /* FIXME */
2378
2379 TALLOC_FREE(smbpass);
2380
2381 return NT_STATUS_OK;
2382 }
2383
2384 /*************************************************************************
2385 get_user_info_20
2386 *************************************************************************/
2387
2388 static NTSTATUS get_user_info_20(TALLOC_CTX *mem_ctx,
2389 struct samr_UserInfo20 *r,
2390 struct samu *sampass)
2391 {
2392 const char *munged_dial = NULL;
2393 DATA_BLOB blob;
2394 NTSTATUS status;
2395 struct lsa_BinaryString *parameters = NULL;
2396
2397 ZERO_STRUCTP(r);
2398
2399 munged_dial = pdb_get_munged_dial(sampass);
2400
2401 DEBUG(3,("User:[%s] has [%s] (length: %d)\n", pdb_get_username(sampass),
2402 munged_dial, (int)strlen(munged_dial)));
2403
2404 if (munged_dial) {
2405 blob = base64_decode_data_blob(munged_dial);
2406 } else {
2407 blob = data_blob_string_const_null("");
2408 }
2409
2410 status = init_samr_parameters_string(mem_ctx, &blob, &parameters);
2411 data_blob_free(&blob);
2412 if (!NT_STATUS_IS_OK(status)) {
2413 return status;
2414 }
2415
2416 r->parameters = *parameters;
2417
2418 return NT_STATUS_OK;
2419 }
2420
2421
2422 /*************************************************************************
2423 get_user_info_21
2424 *************************************************************************/
2425
2426 static NTSTATUS get_user_info_21(TALLOC_CTX *mem_ctx,
2427 struct samr_UserInfo21 *r,
2428 struct samu *pw,
2429 DOM_SID *domain_sid)
2430 {
2431 NTSTATUS status;
2432 const DOM_SID *sid_user, *sid_group;
2433 uint32_t rid, primary_gid;
2434 NTTIME force_password_change;
2435 time_t must_change_time;
2436 struct lsa_BinaryString *parameters = NULL;
2437 const char *munged_dial = NULL;
2438 DATA_BLOB blob;
2439
2440 ZERO_STRUCTP(r);
2441
2442 sid_user = pdb_get_user_sid(pw);
2443
2444 if (!sid_peek_check_rid(domain_sid, sid_user, &rid)) {
2445 DEBUG(0, ("get_user_info_21: User %s has SID %s, \nwhich conflicts with "
2446 "the domain sid %s. Failing operation.\n",
2447 pdb_get_username(pw), sid_string_dbg(sid_user),
2448 sid_string_dbg(domain_sid)));
2449 return NT_STATUS_UNSUCCESSFUL;
2450 }
2451
2452 become_root();
2453 sid_group = pdb_get_group_sid(pw);
2454 unbecome_root();
2455
2456 if (!sid_peek_check_rid(domain_sid, sid_group, &primary_gid)) {
2457 DEBUG(0, ("get_user_info_21: User %s has Primary Group SID %s, \n"
2458 "which conflicts with the domain sid %s. Failing operation.\n",
2459 pdb_get_username(pw), sid_string_dbg(sid_group),
2460 sid_string_dbg(domain_sid)));
2461 return NT_STATUS_UNSUCCESSFUL;
2462 }
2463
2464 unix_to_nt_time(&r->last_logon, pdb_get_logon_time(pw));
2465 unix_to_nt_time(&r->last_logoff, pdb_get_logoff_time(pw));
2466 unix_to_nt_time(&r->acct_expiry, pdb_get_kickoff_time(pw));
2467 unix_to_nt_time(&r->last_password_change, pdb_get_pass_last_set_time(pw));
2468 unix_to_nt_time(&r->allow_password_change, pdb_get_pass_can_change_time(pw));
2469
2470 must_change_time = pdb_get_pass_must_change_time(pw);
2471 if (must_change_time == get_time_t_max()) {
2472 unix_to_nt_time_abs(&force_password_change, must_change_time);
2473 } else {
2474 unix_to_nt_time(&force_password_change, must_change_time);
2475 }
2476
2477 munged_dial = pdb_get_munged_dial(pw);
2478 if (munged_dial) {
2479 blob = base64_decode_data_blob(munged_dial);
2480 } else {
2481 blob = data_blob_string_const_null("");
2482 }
2483
2484 status = init_samr_parameters_string(mem_ctx, &blob, &parameters);
2485 data_blob_free(&blob);
2486 if (!NT_STATUS_IS_OK(status)) {
2487 return status;
2488 }
2489
2490 r->force_password_change = force_password_change;
2491
2492 r->account_name.string = talloc_strdup(mem_ctx, pdb_get_username(pw));
2493 r->full_name.string = talloc_strdup(mem_ctx, pdb_get_fullname(pw));
2494 r->home_directory.string = talloc_strdup(mem_ctx, pdb_get_homedir(pw));
2495 r->home_drive.string = talloc_strdup(mem_ctx, pdb_get_dir_drive(pw));
2496 r->logon_script.string = talloc_strdup(mem_ctx, pdb_get_logon_script(pw));
2497 r->profile_path.string = talloc_strdup(mem_ctx, pdb_get_profile_path(pw));
2498 r->description.string = talloc_strdup(mem_ctx, pdb_get_acct_desc(pw));
2499 r->workstations.string = talloc_strdup(mem_ctx, pdb_get_workstations(pw));
2500 r->comment.string = talloc_strdup(mem_ctx, pdb_get_comment(pw));
2501
2502 r->logon_hours = get_logon_hours_from_pdb(mem_ctx, pw);
2503 r->parameters = *parameters;
2504 r->rid = rid;
2505 r->primary_gid = primary_gid;
2506 r->acct_flags = pdb_get_acct_ctrl(pw);
2507 r->bad_password_count = pdb_get_bad_password_count(pw);
2508 r->logon_count = pdb_get_logon_count(pw);
2509 r->fields_present = pdb_build_fields_present(pw);
2510 r->password_expired = (pdb_get_pass_must_change_time(pw) == 0) ?
2511 PASS_MUST_CHANGE_AT_NEXT_LOGON : 0;
2512 r->country_code = 0;
2513 r->code_page = 0;
2514 r->lm_password_set = 0;
2515 r->nt_password_set = 0;
2516
2517 #if 0
2518
2519 /*
2520 Look at a user on a real NT4 PDC with usrmgr, press
2521 'ok'. Then you will see that fields_present is set to
2522 0x08f827fa. Look at the user immediately after that again,
2523 and you will see that 0x00fffff is returned. This solves
2524 the problem that you get access denied after having looked
2525 at the user.
2526 -- Volker
2527 */
2528
2529 #endif
2530
2531
2532 return NT_STATUS_OK;
2533 }
2534
2535 /*******************************************************************
2536 _samr_QueryUserInfo
2537 ********************************************************************/
2538
2539 NTSTATUS _samr_QueryUserInfo(pipes_struct *p,
2540 struct samr_QueryUserInfo *r)
2541 {
2542 NTSTATUS status;
2543 union samr_UserInfo *user_info = NULL;
2544 struct samr_info *info = NULL;
2545 DOM_SID domain_sid;
2546 uint32 rid;
2547 bool ret = false;
2548 struct samu *pwd = NULL;
2549
2550 /* search for the handle */
2551 if (!find_policy_by_hnd(p, r->in.user_handle, (void **)(void *)&info))
2552 return NT_STATUS_INVALID_HANDLE;
2553
2554 status = access_check_samr_function(info->acc_granted,
2555 SAMR_USER_ACCESS_GET_ATTRIBUTES,
2556 "_samr_QueryUserInfo");
2557 if (!NT_STATUS_IS_OK(status)) {
2558 return status;
2559 }
2560
2561 domain_sid = info->sid;
2562
2563 sid_split_rid(&domain_sid, &rid);
2564
2565 if (!sid_check_is_in_our_domain(&info->sid))
2566 return NT_STATUS_OBJECT_TYPE_MISMATCH;
2567
2568 DEBUG(5,("_samr_QueryUserInfo: sid:%s\n",
2569 sid_string_dbg(&info->sid)));
2570
2571 user_info = TALLOC_ZERO_P(p->mem_ctx, union samr_UserInfo);
2572 if (!user_info) {
2573 return NT_STATUS_NO_MEMORY;
2574 }
2575
2576 DEBUG(5,("_samr_QueryUserInfo: user info level: %d\n", r->in.level));
2577
2578 if (!(pwd = samu_new(p->mem_ctx))) {
2579 return NT_STATUS_NO_MEMORY;
2580 }
2581
2582 become_root();
2583 ret = pdb_getsampwsid(pwd, &info->sid);
2584 unbecome_root();
2585
2586 if (ret == false) {
2587 DEBUG(4,("User %s not found\n", sid_string_dbg(&info->sid)));
2588 TALLOC_FREE(pwd);
2589 return NT_STATUS_NO_SUCH_USER;
2590 }
2591
2592 DEBUG(3,("User:[%s]\n", pdb_get_username(pwd)));
2593
2594 samr_clear_sam_passwd(pwd);
2595
2596 switch (r->in.level) {
2597 case 5:
2598 status = get_user_info_5(p->mem_ctx, &user_info->info5, pwd, &domain_sid);
2599 break;
2600 case 7:
2601 status = get_user_info_7(p->mem_ctx, &user_info->info7, pwd);
2602 break;
2603 case 9:
2604 status = get_user_info_9(p->mem_ctx, &user_info->info9, pwd);
2605 break;
2606 case 16:
2607 status = get_user_info_16(p->mem_ctx, &user_info->info16, pwd);
2608 break;
2609 case 18:
2610 /* level 18 is special */
2611 status = get_user_info_18(p, p->mem_ctx, &user_info->info18, &info->sid);
2612 break;
2613 case 20:
2614 status = get_user_info_20(p->mem_ctx, &user_info->info20, pwd);
2615 break;
2616 case 21:
2617 status = get_user_info_21(p->mem_ctx, &user_info->info21, pwd, &domain_sid);
2618 break;
2619 default:
2620 status = NT_STATUS_INVALID_INFO_CLASS;
2621 break;
2622 }
2623
2624 TALLOC_FREE(pwd);
2625
2626 *r->out.info = user_info;
2627
2628 DEBUG(5,("_samr_QueryUserInfo: %d\n", __LINE__));
2629
2630 return status;
2631 }
2632
2633 /****************************************************************
2634 ****************************************************************/
2635
2636 NTSTATUS _samr_QueryUserInfo2(pipes_struct *p,
2637 struct samr_QueryUserInfo2 *r)
2638 {
2639 struct samr_QueryUserInfo u;
2640
2641 u.in.user_handle = r->in.user_handle;
2642 u.in.level = r->in.level;
2643 u.out.info = r->out.info;
2644
2645 return _samr_QueryUserInfo(p, &u);
2646 }
2647
2648 /*******************************************************************
2649 _samr_GetGroupsForUser
2650 ********************************************************************/
2651
2652 NTSTATUS _samr_GetGroupsForUser(pipes_struct *p,
2653 struct samr_GetGroupsForUser *r)
2654 {
2655 struct samu *sam_pass=NULL;
2656 DOM_SID sid;
2657 DOM_SID *sids;
2658 struct samr_RidWithAttribute dom_gid;
2659 struct samr_RidWithAttribute *gids = NULL;
2660 uint32 primary_group_rid;
2661 size_t num_groups = 0;
2662 gid_t *unix_gids;
2663 size_t i, num_gids;
2664 uint32 acc_granted;
2665 bool ret;
2666 NTSTATUS result;
2667 bool success = False;
2668
2669 struct samr_RidWithAttributeArray *rids = NULL;
2670
2671 /*
2672 * from the SID in the request:
2673 * we should send back the list of DOMAIN GROUPS
2674 * the user is a member of
2675 *
2676 * and only the DOMAIN GROUPS
2677 * no ALIASES !!! neither aliases of the domain
2678 * nor aliases of the builtin SID
2679 *
2680 * JFM, 12/2/2001
2681 */
2682
2683 DEBUG(5,("_samr_GetGroupsForUser: %d\n", __LINE__));
2684
2685 rids = TALLOC_ZERO_P(p->mem_ctx, struct samr_RidWithAttributeArray);
2686 if (!rids) {
2687 return NT_STATUS_NO_MEMORY;
2688 }
2689
2690 /* find the policy handle. open a policy on it. */
2691 if (!get_lsa_policy_samr_sid(p, r->in.user_handle, &sid, &acc_granted, NULL))
2692 return NT_STATUS_INVALID_HANDLE;
2693
2694 result = access_check_samr_function(acc_granted,
2695 SAMR_USER_ACCESS_GET_GROUPS,
2696 "_samr_GetGroupsForUser");
2697 if (!NT_STATUS_IS_OK(result)) {
2698 return result;
2699 }
2700
2701 if (!sid_check_is_in_our_domain(&sid))
2702 return NT_STATUS_OBJECT_TYPE_MISMATCH;
2703
2704 if ( !(sam_pass = samu_new( p->mem_ctx )) ) {
2705 return NT_STATUS_NO_MEMORY;
2706 }
2707
2708 become_root();
2709 ret = pdb_getsampwsid(sam_pass, &sid);
2710 unbecome_root();
2711
2712 if (!ret) {
2713 DEBUG(10, ("pdb_getsampwsid failed for %s\n",
2714 sid_string_dbg(&sid)));
2715 return NT_STATUS_NO_SUCH_USER;
2716 }
2717
2718 sids = NULL;
2719
2720 /* make both calls inside the root block */
2721 become_root();
2722 result = pdb_enum_group_memberships(p->mem_ctx, sam_pass,
2723 &sids, &unix_gids, &num_groups);
2724 if ( NT_STATUS_IS_OK(result) ) {
2725 success = sid_peek_check_rid(get_global_sam_sid(),
2726 pdb_get_group_sid(sam_pass),
2727 &primary_group_rid);
2728 }
2729 unbecome_root();
2730
2731 if (!NT_STATUS_IS_OK(result)) {
2732 DEBUG(10, ("pdb_enum_group_memberships failed for %s\n",
2733 sid_string_dbg(&sid)));
2734 return result;
2735 }
2736
2737 if ( !success ) {
2738 DEBUG(5, ("Group sid %s for user %s not in our domain\n",
2739 sid_string_dbg(pdb_get_group_sid(sam_pass)),
2740 pdb_get_username(sam_pass)));
2741 TALLOC_FREE(sam_pass);
2742 return NT_STATUS_INTERNAL_DB_CORRUPTION;
2743 }
2744
2745 gids = NULL;
2746 num_gids = 0;
2747
2748 dom_gid.attributes = (SE_GROUP_MANDATORY|SE_GROUP_ENABLED_BY_DEFAULT|
2749 SE_GROUP_ENABLED);
2750 dom_gid.rid = primary_group_rid;
2751 ADD_TO_ARRAY(p->mem_ctx, struct samr_RidWithAttribute, dom_gid, &gids, &num_gids);
2752
2753 for (i=0; i<num_groups; i++) {
2754
2755 if (!sid_peek_check_rid(get_global_sam_sid(),
2756 &(sids[i]), &dom_gid.rid)) {
2757 DEBUG(10, ("Found sid %s not in our domain\n",
2758 sid_string_dbg(&sids[i])));
2759 continue;
2760 }
2761
2762 if (dom_gid.rid == primary_group_rid) {
2763 /* We added the primary group directly from the
2764 * sam_account. The other SIDs are unique from
2765 * enum_group_memberships */
2766 continue;
2767 }
2768
2769 ADD_TO_ARRAY(p->mem_ctx, struct samr_RidWithAttribute, dom_gid, &gids, &num_gids);
2770 }
2771
2772 rids->count = num_gids;
2773 rids->rids = gids;
2774
2775 *r->out.rids = rids;
2776
2777 DEBUG(5,("_samr_GetGroupsForUser: %d\n", __LINE__));
2778
2779 return result;
2780 }
2781
2782 /*******************************************************************
2783 _samr_QueryDomainInfo
2784 ********************************************************************/
2785
2786 NTSTATUS _samr_QueryDomainInfo(pipes_struct *p,
2787 struct samr_QueryDomainInfo *r)
2788 {
2789 NTSTATUS status = NT_STATUS_OK;
2790 struct samr_info *info = NULL;
2791 union samr_DomainInfo *dom_info;
2792 time_t u_expire, u_min_age;
2793
2794 time_t u_lock_duration, u_reset_time;
2795 uint32_t u_logout;
2796
2797 uint32 account_policy_temp;
2798
2799 time_t seq_num;
2800 uint32 server_role;
2801
2802 DEBUG(5,("_samr_QueryDomainInfo: %d\n", __LINE__));
2803
2804 dom_info = TALLOC_ZERO_P(p->mem_ctx, union samr_DomainInfo);
2805 if (!dom_info) {
2806 return NT_STATUS_NO_MEMORY;
2807 }
2808
2809 /* find the policy handle. open a policy on it. */
2810 if (!find_policy_by_hnd(p, r->in.domain_handle, (void **)(void *)&info)) {
2811 return NT_STATUS_INVALID_HANDLE;
2812 }
2813
2814 status = access_check_samr_function(info->acc_granted,
2815 SAMR_ACCESS_OPEN_DOMAIN,
2816 "_samr_QueryDomainInfo" );
2817
2818 if ( !NT_STATUS_IS_OK(status) )
2819 return status;
2820
2821 switch (r->in.level) {
2822 case 0x01:
2823
2824 become_root();
2825
2826 /* AS ROOT !!! */
2827
2828 pdb_get_account_policy(AP_MIN_PASSWORD_LEN,
2829 &account_policy_temp);
2830 dom_info->info1.min_password_length = account_policy_temp;
2831
2832 pdb_get_account_policy(AP_PASSWORD_HISTORY, &account_policy_temp);
2833 dom_info->info1.password_history_length = account_policy_temp;
2834
2835 pdb_get_account_policy(AP_USER_MUST_LOGON_TO_CHG_PASS,
2836 &dom_info->info1.password_properties);
2837
2838 pdb_get_account_policy(AP_MAX_PASSWORD_AGE, &account_policy_temp);
2839 u_expire = account_policy_temp;
2840
2841 pdb_get_account_policy(AP_MIN_PASSWORD_AGE, &account_policy_temp);
2842 u_min_age = account_policy_temp;
2843
2844 /* !AS ROOT */
2845
2846 unbecome_root();
2847
2848 unix_to_nt_time_abs((NTTIME *)&dom_info->info1.max_password_age, u_expire);
2849 unix_to_nt_time_abs((NTTIME *)&dom_info->info1.min_password_age, u_min_age);
2850
2851 if (lp_check_password_script() && *lp_check_password_script()) {
2852 dom_info->info1.password_properties |= DOMAIN_PASSWORD_COMPLEX;
2853 }
2854
2855 break;
2856 case 0x02:
2857
2858 become_root();
2859
2860 /* AS ROOT !!! */
2861
2862 dom_info->general.num_users = count_sam_users(info->disp_info, ACB_NORMAL);
2863 dom_info->general.num_groups = count_sam_groups(info->disp_info);
2864 dom_info->general.num_aliases = count_sam_aliases(info->disp_info);
2865
2866 pdb_get_account_policy(AP_TIME_TO_LOGOUT, &u_logout);
2867
2868 unix_to_nt_time_abs(&dom_info->general.force_logoff_time, u_logout);
2869
2870 if (!pdb_get_seq_num(&seq_num))
2871 seq_num = time(NULL);
2872
2873 /* !AS ROOT */
2874
2875 unbecome_root();
2876
2877 server_role = ROLE_DOMAIN_PDC;
2878 if (lp_server_role() == ROLE_DOMAIN_BDC)
2879 server_role = ROLE_DOMAIN_BDC;
2880
2881 dom_info->general.oem_information.string = lp_serverstring();
2882 dom_info->general.domain_name.string = lp_workgroup();
2883 dom_info->general.primary.string = global_myname();
2884 dom_info->general.sequence_num = seq_num;
2885 dom_info->general.domain_server_state = DOMAIN_SERVER_ENABLED;
2886 dom_info->general.role = server_role;
2887 dom_info->general.unknown3 = 1;
2888
2889 break;
2890 case 0x03:
2891
2892 become_root();
2893
2894 /* AS ROOT !!! */
2895
2896 {
2897 uint32 ul;
2898 pdb_get_account_policy(AP_TIME_TO_LOGOUT, &ul);
2899 u_logout = (time_t)ul;
2900 }
2901
2902 /* !AS ROOT */
2903
2904 unbecome_root();
2905
2906 unix_to_nt_time_abs(&dom_info->info3.force_logoff_time, u_logout);
2907
2908 break;
2909 case 0x04:
2910 dom_info->oem.oem_information.string = lp_serverstring();
2911 break;
2912 case 0x05:
2913 dom_info->info5.domain_name.string = get_global_sam_name();
2914 break;
2915 case 0x06:
2916 /* NT returns its own name when a PDC. win2k and later
2917 * only the name of the PDC if itself is a BDC (samba4
2918 * idl) */
2919 dom_info->info6.primary.string = global_myname();
2920 break;
2921 case 0x07:
2922 server_role = ROLE_DOMAIN_PDC;
2923 if (lp_server_role() == ROLE_DOMAIN_BDC)
2924 server_role = ROLE_DOMAIN_BDC;
2925
2926 dom_info->info7.role = server_role;
2927 break;
2928 case 0x08:
2929
2930 become_root();
2931
2932 /* AS ROOT !!! */
2933
2934 if (!pdb_get_seq_num(&seq_num)) {
2935 seq_num = time(NULL);
2936 }
2937
2938 /* !AS ROOT */
2939
2940 unbecome_root();
2941
2942 dom_info->info8.sequence_num = seq_num;
2943 dom_info->info8.domain_create_time = 0;
2944
2945 break;
2946 case 0x0c:
2947
2948 become_root();
2949
2950 /* AS ROOT !!! */
2951
2952 pdb_get_account_policy(AP_LOCK_ACCOUNT_DURATION, &account_policy_temp);
2953 u_lock_duration = account_policy_temp;
2954 if (u_lock_duration != -1) {
2955 u_lock_duration *= 60;
2956 }
2957
2958 pdb_get_account_policy(AP_RESET_COUNT_TIME, &account_policy_temp);
2959 u_reset_time = account_policy_temp * 60;
2960
2961 pdb_get_account_policy(AP_BAD_ATTEMPT_LOCKOUT,
2962 &account_policy_temp);
2963 dom_info->info12.lockout_threshold = account_policy_temp;
2964
2965 /* !AS ROOT */
2966
2967 unbecome_root();
2968
2969 unix_to_nt_time_abs(&dom_info->info12.lockout_duration,
2970 u_lock_duration);
2971 unix_to_nt_time_abs(&dom_info->info12.lockout_window,
2972 u_reset_time);
2973
2974 break;
2975 default:
2976 return NT_STATUS_INVALID_INFO_CLASS;
2977 }
2978
2979 *r->out.info = dom_info;
2980
2981 DEBUG(5,("_samr_QueryDomainInfo: %d\n", __LINE__));
2982
2983 return status;
2984 }
2985
2986 /* W2k3 seems to use the same check for all 3 objects that can be created via
2987 * SAMR, if you try to create for example "Dialup" as an alias it says
2988 * "NT_STATUS_USER_EXISTS". This is racy, but we can't really lock the user
2989 * database. */
2990
2991 static NTSTATUS can_create(TALLOC_CTX *mem_ctx, const char *new_name)
2992 {
2993 enum lsa_SidType type;
2994 bool result;
2995
2996 DEBUG(10, ("Checking whether [%s] can be created\n", new_name));
2997
2998 become_root();
2999 /* Lookup in our local databases (LOOKUP_NAME_REMOTE not set)
3000 * whether the name already exists */
3001 result = lookup_name(mem_ctx, new_name, LOOKUP_NAME_LOCAL,
3002 NULL, NULL, NULL, &type);
3003 unbecome_root();
3004
3005 if (!result) {
3006 DEBUG(10, ("%s does not exist, can create it\n", new_name));
3007 return NT_STATUS_OK;
3008 }
3009
3010 DEBUG(5, ("trying to create %s, exists as %s\n",
3011 new_name, sid_type_lookup(type)));
3012
3013 if (type == SID_NAME_DOM_GRP) {
3014 return NT_STATUS_GROUP_EXISTS;
3015 }
3016 if (type == SID_NAME_ALIAS) {
3017 return NT_STATUS_ALIAS_EXISTS;
3018 }
3019
3020 /* Yes, the default is NT_STATUS_USER_EXISTS */
3021 return NT_STATUS_USER_EXISTS;
3022 }
3023
3024 /*******************************************************************
3025 _samr_CreateUser2
3026 ********************************************************************/
3027
3028 NTSTATUS _samr_CreateUser2(pipes_struct *p,
3029 struct samr_CreateUser2 *r)
3030 {
3031 const char *account = NULL;
3032 DOM_SID sid;
3033 uint32_t acb_info = r->in.acct_flags;
3034 struct samr_info *info = NULL;
3035 NTSTATUS nt_status;
3036 uint32 acc_granted;
3037 SEC_DESC *psd;
3038 size_t sd_size;
3039 /* check this, when giving away 'add computer to domain' privs */
3040 uint32 des_access = GENERIC_RIGHTS_USER_ALL_ACCESS;
3041 bool can_add_account = False;
3042 SE_PRIV se_rights;
3043 DISP_INFO *disp_info = NULL;
3044
3045 /* Get the domain SID stored in the domain policy */
3046 if (!get_lsa_policy_samr_sid(p, r->in.domain_handle, &sid, &acc_granted,
3047 &disp_info))
3048 return NT_STATUS_INVALID_HANDLE;
3049
3050 if (disp_info->builtin_domain) {
3051 DEBUG(5,("_samr_CreateUser2: Refusing user create in BUILTIN\n"));
3052 return NT_STATUS_ACCESS_DENIED;
3053 }
3054
3055 nt_status = access_check_samr_function(acc_granted,
3056 SAMR_DOMAIN_ACCESS_CREATE_USER,
3057 "_samr_CreateUser2");
3058 if (!NT_STATUS_IS_OK(nt_status)) {
3059 return nt_status;
3060 }
3061
3062 if (!(acb_info == ACB_NORMAL || acb_info == ACB_DOMTRUST ||
3063 acb_info == ACB_WSTRUST || acb_info == ACB_SVRTRUST)) {
3064 /* Match Win2k, and return NT_STATUS_INVALID_PARAMETER if
3065 this parameter is not an account type */
3066 return NT_STATUS_INVALID_PARAMETER;
3067 }
3068
3069 account = r->in.account_name->string;
3070 if (account == NULL) {
3071 return NT_STATUS_NO_MEMORY;
3072 }
3073
3074 nt_status = can_create(p->mem_ctx, account);
3075 if (!NT_STATUS_IS_OK(nt_status)) {
3076 return nt_status;
3077 }
3078
3079 /* determine which user right we need to check based on the acb_info */
3080
3081 if ( acb_info & ACB_WSTRUST )
3082 {
3083 se_priv_copy( &se_rights, &se_machine_account );
3084 can_add_account = user_has_privileges(
3085 p->server_info->ptok, &se_rights );
3086 }
3087 /* usrmgr.exe (and net rpc trustdom grant) creates a normal user
3088 account for domain trusts and changes the ACB flags later */
3089 else if ( acb_info & ACB_NORMAL &&
3090 (account[strlen(account)-1] != '$') )
3091 {
3092 se_priv_copy( &se_rights, &se_add_users );
3093 can_add_account = user_has_privileges(
3094 p->server_info->ptok, &se_rights );
3095 }
3096 else /* implicit assumption of a BDC or domain trust account here
3097 * (we already check the flags earlier) */
3098 {
3099 if ( lp_enable_privileges() ) {
3100 /* only Domain Admins can add a BDC or domain trust */
3101 se_priv_copy( &se_rights, &se_priv_none );
3102 can_add_account = nt_token_check_domain_rid(
3103 p->server_info->ptok,
3104 DOMAIN_GROUP_RID_ADMINS );
3105 }
3106 }
3107
3108 DEBUG(5, ("_samr_CreateUser2: %s can add this account : %s\n",
3109 uidtoname(p->server_info->utok.uid),
3110 can_add_account ? "True":"False" ));
3111
3112 /********** BEGIN Admin BLOCK **********/
3113
3114 if ( can_add_account )
3115 become_root();
3116
3117 nt_status = pdb_create_user(p->mem_ctx, account, acb_info,
3118 r->out.rid);
3119
3120 if ( can_add_account )
3121 unbecome_root();
3122
3123 /********** END Admin BLOCK **********/
3124
3125 /* now check for failure */
3126
3127 if ( !NT_STATUS_IS_OK(nt_status) )
3128 return nt_status;
3129
3130 /* Get the user's SID */
3131
3132 sid_compose(&sid, get_global_sam_sid(), *r->out.rid);
3133
3134 map_max_allowed_access(p->server_info->ptok, &des_access);
3135
3136 make_samr_object_sd(p->mem_ctx, &psd, &sd_size, &usr_generic_mapping,
3137 &sid, SAMR_USR_RIGHTS_WRITE_PW);
3138 se_map_generic(&des_access, &usr_generic_mapping);
3139
3140 nt_status = access_check_samr_object(psd, p->server_info->ptok,
3141 &se_rights, GENERIC_RIGHTS_USER_WRITE, des_access,
3142 &acc_granted, "_samr_CreateUser2");
3143
3144 if ( !NT_STATUS_IS_OK(nt_status) ) {
3145 return nt_status;
3146 }
3147
3148 /* associate the user's SID with the new handle. */
3149 if ((info = get_samr_info_by_sid(p->mem_ctx, &sid)) == NULL) {
3150 return NT_STATUS_NO_MEMORY;
3151 }
3152
3153 ZERO_STRUCTP(info);
3154 info->sid = sid;
3155 info->acc_granted = acc_granted;
3156
3157 /* get a (unique) handle. open a policy on it. */
3158 if (!create_policy_hnd(p, r->out.user_handle, info)) {
3159 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
3160 }
3161
3162 /* After a "set" ensure we have no cached display info. */
3163 force_flush_samr_cache(info->disp_info);
3164
3165 *r->out.access_granted = acc_granted;
3166
3167 return NT_STATUS_OK;
3168 }
3169
3170 /****************************************************************
3171 ****************************************************************/
3172
3173 NTSTATUS _samr_CreateUser(pipes_struct *p,
3174 struct samr_CreateUser *r)
3175 {
3176 struct samr_CreateUser2 c;
3177 uint32_t access_granted;
3178
3179 c.in.domain_handle = r->in.domain_handle;
3180 c.in.account_name = r->in.account_name;
3181 c.in.acct_flags = ACB_NORMAL;
3182 c.in.access_mask = r->in.access_mask;
3183 c.out.user_handle = r->out.user_handle;
3184 c.out.access_granted = &access_granted;
3185 c.out.rid = r->out.rid;
3186
3187 return _samr_CreateUser2(p, &c);
3188 }
3189
3190 /*******************************************************************
3191 _samr_Connect
3192 ********************************************************************/
3193
3194 NTSTATUS _samr_Connect(pipes_struct *p,
3195 struct samr_Connect *r)
3196 {
3197 struct samr_info *info = NULL;
3198 uint32 des_access = r->in.access_mask;
3199
3200 /* Access check */
3201
3202 if (!pipe_access_check(p)) {
3203 DEBUG(3, ("access denied to _samr_Connect\n"));
3204 return NT_STATUS_ACCESS_DENIED;
3205 }
3206
3207 /* set up the SAMR connect_anon response */
3208
3209 /* associate the user's SID with the new handle. */
3210 if ((info = get_samr_info_by_sid(p->mem_ctx, NULL)) == NULL)
3211 return NT_STATUS_NO_MEMORY;
3212
3213 /* don't give away the farm but this is probably ok. The SAMR_ACCESS_ENUM_DOMAINS
3214 was observed from a win98 client trying to enumerate users (when configured
3215 user level access control on shares) --jerry */
3216
3217 map_max_allowed_access(p->server_info->ptok, &des_access);
3218
3219 se_map_generic( &des_access, &sam_generic_mapping );
3220 info->acc_granted = des_access & (SAMR_ACCESS_ENUM_DOMAINS|SAMR_ACCESS_OPEN_DOMAIN);
3221
3222 /* get a (unique) handle. open a policy on it. */
3223 if (!create_policy_hnd(p, r->out.connect_handle, info))
3224 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
3225
3226 return NT_STATUS_OK;
3227 }
3228
3229 /*******************************************************************
3230 _samr_Connect2
3231 ********************************************************************/
3232
3233 NTSTATUS _samr_Connect2(pipes_struct *p,
3234 struct samr_Connect2 *r)
3235 {
3236 struct samr_info *info = NULL;
3237 SEC_DESC *psd = NULL;
3238 uint32 acc_granted;
3239 uint32 des_access = r->in.access_mask;
3240 NTSTATUS nt_status;
3241 size_t sd_size;
3242 const char *fn = "_samr_Connect2";
3243
3244 switch (p->hdr_req.opnum) {
3245 case NDR_SAMR_CONNECT2:
3246 fn = "_samr_Connect2";
3247 break;
3248 case NDR_SAMR_CONNECT3:
3249 fn = "_samr_Connect3";
3250 break;
3251 case NDR_SAMR_CONNECT4:
3252 fn = "_samr_Connect4";
3253 break;
3254 case NDR_SAMR_CONNECT5:
3255 fn = "_samr_Connect5";
3256 break;
3257 }
3258
3259 DEBUG(5,("%s: %d\n", fn, __LINE__));
3260
3261 /* Access check */
3262
3263 if (!pipe_access_check(p)) {
3264 DEBUG(3, ("access denied to %s\n", fn));
3265 return NT_STATUS_ACCESS_DENIED;
3266 }
3267
3268 map_max_allowed_access(p->server_info->ptok, &des_access);
3269
3270 make_samr_object_sd(p->mem_ctx, &psd, &sd_size, &sam_generic_mapping, NULL, 0);
3271 se_map_generic(&des_access, &sam_generic_mapping);
3272
3273 nt_status = access_check_samr_object(psd, p->server_info->ptok,
3274 NULL, 0, des_access, &acc_granted, fn);
3275
3276 if ( !NT_STATUS_IS_OK(nt_status) )
3277 return nt_status;
3278
3279 /* associate the user's SID and access granted with the new handle. */
3280 if ((info = get_samr_info_by_sid(p->mem_ctx, NULL)) == NULL)
3281 return NT_STATUS_NO_MEMORY;
3282
3283 info->acc_granted = acc_granted;
3284 info->status = r->in.access_mask; /* this looks so wrong... - gd */
3285
3286 /* get a (unique) handle. open a policy on it. */
3287 if (!create_policy_hnd(p, r->out.connect_handle, info))
3288 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
3289
3290 DEBUG(5,("%s: %d\n", fn, __LINE__));
3291
3292 return nt_status;
3293 }
3294
3295 /****************************************************************
3296 _samr_Connect3
3297 ****************************************************************/
3298
3299 NTSTATUS _samr_Connect3(pipes_struct *p,
3300 struct samr_Connect3 *r)
3301 {
3302 struct samr_Connect2 c;
3303
3304 c.in.system_name = r->in.system_name;
3305 c.in.access_mask = r->in.access_mask;
3306 c.out.connect_handle = r->out.connect_handle;
3307
3308 return _samr_Connect2(p, &c);
3309 }
3310
3311 /*******************************************************************
3312 _samr_Connect4
3313 ********************************************************************/
3314
3315 NTSTATUS _samr_Connect4(pipes_struct *p,
3316 struct samr_Connect4 *r)
3317 {
3318 struct samr_Connect2 c;
3319
3320 c.in.system_name = r->in.system_name;
3321 c.in.access_mask = r->in.access_mask;
3322 c.out.connect_handle = r->out.connect_handle;
3323
3324 return _samr_Connect2(p, &c);
3325 }
3326
3327 /*******************************************************************
3328 _samr_Connect5
3329 ********************************************************************/
3330
3331 NTSTATUS _samr_Connect5(pipes_struct *p,
3332 struct samr_Connect5 *r)
3333 {
3334 NTSTATUS status;
3335 struct samr_Connect2 c;
3336 struct samr_ConnectInfo1 info1;
3337
3338 info1.client_version = SAMR_CONNECT_AFTER_W2K;
3339 info1.unknown2 = 0;
3340
3341 c.in.system_name = r->in.system_name;
3342 c.in.access_mask = r->in.access_mask;
3343 c.out.connect_handle = r->out.connect_handle;
3344
3345 status = _samr_Connect2(p, &c);
3346 if (!NT_STATUS_IS_OK(status)) {
3347 return status;
3348 }
3349
3350 *r->out.level_out = 1;
3351 r->out.info_out->info1 = info1;
3352
3353 return NT_STATUS_OK;
3354 }
3355
3356 /**********************************************************************
3357 _samr_LookupDomain
3358 **********************************************************************/
3359
3360 NTSTATUS _samr_LookupDomain(pipes_struct *p,
3361 struct samr_LookupDomain *r)
3362 {
3363 NTSTATUS status = NT_STATUS_OK;
3364 struct samr_info *info;
3365 const char *domain_name;
3366 DOM_SID *sid = NULL;
3367
3368 if (!find_policy_by_hnd(p, r->in.connect_handle, (void**)(void *)&info))
3369 return NT_STATUS_INVALID_HANDLE;
3370
3371 /* win9x user manager likes to use SAMR_ACCESS_ENUM_DOMAINS here.
3372 Reverted that change so we will work with RAS servers again */
3373
3374 status = access_check_samr_function(info->acc_granted,
3375 SAMR_ACCESS_OPEN_DOMAIN,
3376 "_samr_LookupDomain");
3377 if (!NT_STATUS_IS_OK(status)) {
3378 return status;
3379 }
3380
3381 domain_name = r->in.domain_name->string;
3382 if (!domain_name) {
3383 return NT_STATUS_INVALID_PARAMETER;
3384 }
3385
3386 sid = TALLOC_ZERO_P(p->mem_ctx, struct dom_sid2);
3387 if (!sid) {
3388 return NT_STATUS_NO_MEMORY;
3389 }
3390
3391 if (strequal(domain_name, builtin_domain_name())) {
3392 sid_copy(sid, &global_sid_Builtin);
3393 } else {
3394 if (!secrets_fetch_domain_sid(domain_name, sid)) {
3395 status = NT_STATUS_NO_SUCH_DOMAIN;
3396 }
3397 }
3398
3399 DEBUG(2,("Returning domain sid for domain %s -> %s\n", domain_name,
3400 sid_string_dbg(sid)));
3401
3402 *r->out.sid = sid;
3403
3404 return status;
3405 }
3406
3407 /**********************************************************************
3408 _samr_EnumDomains
3409 **********************************************************************/
3410
3411 NTSTATUS _samr_EnumDomains(pipes_struct *p,
3412 struct samr_EnumDomains *r)
3413 {
3414 NTSTATUS status;
3415 struct samr_info *info;
3416 uint32_t num_entries = 2;
3417 struct samr_SamEntry *entry_array = NULL;
3418 struct samr_SamArray *sam;
3419
3420 if (!find_policy_by_hnd(p, r->in.connect_handle, (void**)(void *)&info))
3421 return NT_STATUS_INVALID_HANDLE;
3422
3423 status = access_check_samr_function(info->acc_granted,
3424 SAMR_ACCESS_ENUM_DOMAINS,
3425 "_samr_EnumDomains");
3426 if (!NT_STATUS_IS_OK(status)) {
3427 return status;
3428 }
3429
3430 sam = TALLOC_ZERO_P(p->mem_ctx, struct samr_SamArray);
3431 if (!sam) {
3432 return NT_STATUS_NO_MEMORY;
3433 }
3434
3435 entry_array = TALLOC_ZERO_ARRAY(p->mem_ctx,
3436 struct samr_SamEntry,
3437 num_entries);
3438 if (!entry_array) {
3439 return NT_STATUS_NO_MEMORY;
3440 }
3441
3442 entry_array[0].idx = 0;
3443 init_lsa_String(&entry_array[0].name, get_global_sam_name());
3444
3445 entry_array[1].idx = 1;
3446 init_lsa_String(&entry_array[1].name, "Builtin");
3447
3448 sam->count = num_entries;
3449 sam->entries = entry_array;
3450
3451 *r->out.sam = sam;
3452 *r->out.num_entries = num_entries;
3453
3454 return status;
3455 }
3456
3457 /*******************************************************************
3458 _samr_OpenAlias
3459 ********************************************************************/
3460
3461 NTSTATUS _samr_OpenAlias(pipes_struct *p,
3462 struct samr_OpenAlias *r)
3463 {
3464 DOM_SID sid;
3465 uint32 alias_rid = r->in.rid;
3466 struct samr_info *info = NULL;
3467 SEC_DESC *psd = NULL;
3468 uint32 acc_granted;
3469 uint32 des_access = r->in.access_mask;
3470 size_t sd_size;
3471 NTSTATUS status;
3472 SE_PRIV se_rights;
3473
3474 /* find the domain policy and get the SID / access bits stored in the domain policy */
3475
3476 if ( !get_lsa_policy_samr_sid(p, r->in.domain_handle, &sid, &acc_granted, NULL) )
3477 return NT_STATUS_INVALID_HANDLE;
3478
3479 status = access_check_samr_function(acc_granted,
3480 SAMR_DOMAIN_ACCESS_OPEN_ACCOUNT,
3481 "_samr_OpenAlias");
3482
3483 if ( !NT_STATUS_IS_OK(status) )
3484 return status;
3485
3486 /* append the alias' RID to it */
3487
3488 if (!sid_append_rid(&sid, alias_rid))
3489 return NT_STATUS_NO_SUCH_ALIAS;
3490
3491 /*check if access can be granted as requested by client. */
3492
3493 map_max_allowed_access(p->server_info->ptok, &des_access);
3494
3495 make_samr_object_sd(p->mem_ctx, &psd, &sd_size, &ali_generic_mapping, NULL, 0);
3496 se_map_generic(&des_access,&ali_generic_mapping);
3497
3498 se_priv_copy( &se_rights, &se_add_users );
3499
3500
3501 status = access_check_samr_object(psd, p->server_info->ptok,
3502 &se_rights, GENERIC_RIGHTS_ALIAS_WRITE, des_access,
3503 &acc_granted, "_samr_OpenAlias");
3504
3505 if ( !NT_STATUS_IS_OK(status) )
3506 return status;
3507
3508 {
3509 /* Check we actually have the requested alias */
3510 enum lsa_SidType type;
3511 bool result;
3512 gid_t gid;
3513
3514 become_root();
3515 result = lookup_sid(NULL, &sid, NULL, NULL, &type);
3516 unbecome_root();
3517
3518 if (!result || (type != SID_NAME_ALIAS)) {
3519 return NT_STATUS_NO_SUCH_ALIAS;
3520 }
3521
3522 /* make sure there is a mapping */
3523
3524 if ( !sid_to_gid( &sid, &gid ) ) {
3525 return NT_STATUS_NO_SUCH_ALIAS;
3526 }
3527
3528 }
3529
3530 /* associate the alias SID with the new handle. */
3531 if ((info = get_samr_info_by_sid(p->mem_ctx, &sid)) == NULL)
3532 return NT_STATUS_NO_MEMORY;
3533
3534 info->acc_granted = acc_granted;
3535
3536 /* get a (unique) handle. open a policy on it. */
3537 if (!create_policy_hnd(p, r->out.alias_handle, info))
3538 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
3539
3540 return NT_STATUS_OK;
3541 }
3542
3543 /*******************************************************************
3544 set_user_info_7
3545 ********************************************************************/
3546
3547 static NTSTATUS set_user_info_7(TALLOC_CTX *mem_ctx,
3548 struct samr_UserInfo7 *id7,
3549 struct samu *pwd)
3550 {
3551 NTSTATUS rc;
3552
3553 if (id7 == NULL) {
3554 DEBUG(5, ("set_user_info_7: NULL id7\n"));
3555 return NT_STATUS_ACCESS_DENIED;
3556 }
3557
3558 if (!id7->account_name.string) {
3559 DEBUG(5, ("set_user_info_7: failed to get new username\n"));
3560 return NT_STATUS_ACCESS_DENIED;
3561 }
3562
3563 /* check to see if the new username already exists. Note: we can't
3564 reliably lock all backends, so there is potentially the
3565 possibility that a user can be created in between this check and
3566 the rename. The rename should fail, but may not get the
3567 exact same failure status code. I think this is small enough
3568 of a window for this type of operation and the results are
3569 simply that the rename fails with a slightly different status
3570 code (like UNSUCCESSFUL instead of ALREADY_EXISTS). */
3571
3572 rc = can_create(mem_ctx, id7->account_name.string);
3573 if (!NT_STATUS_IS_OK(rc)) {
3574 return rc;
3575 }
3576
3577 rc = pdb_rename_sam_account(pwd, id7->account_name.string);
3578
3579 return rc;
3580 }
3581
3582 /*******************************************************************
3583 set_user_info_16
3584 ********************************************************************/
3585
3586 static bool set_user_info_16(struct samr_UserInfo16 *id16,
3587 struct samu *pwd)
3588 {
3589 if (id16 == NULL) {
3590 DEBUG(5, ("set_user_info_16: NULL id16\n"));
3591 return False;
3592 }
3593
3594 /* FIX ME: check if the value is really changed --metze */
3595 if (!pdb_set_acct_ctrl(pwd, id16->acct_flags, PDB_CHANGED)) {
3596 return False;
3597 }
3598
3599 if(!NT_STATUS_IS_OK(pdb_update_sam_account(pwd))) {
3600 return False;
3601 }
3602
3603 return True;
3604 }
3605
3606 /*******************************************************************
3607 set_user_info_18
3608 ********************************************************************/
3609
3610 static NTSTATUS set_user_info_18(struct samr_UserInfo18 *id18,
3611 TALLOC_CTX *mem_ctx,
3612 DATA_BLOB *session_key,
3613 struct samu *pwd)
3614 {
3615 if (id18 == NULL) {
3616 DEBUG(2, ("set_user_info_18: id18 is NULL\n"));
3617 return NT_STATUS_INVALID_PARAMETER;
3618 }
3619
3620 if (id18->nt_pwd_active || id18->lm_pwd_active) {
3621 if (!session_key->length) {
3622 return NT_STATUS_NO_USER_SESSION_KEY;
3623 }
3624 }
3625
3626 if (id18->nt_pwd_active) {
3627
3628 DATA_BLOB in, out;
3629
3630 in = data_blob_const(id18->nt_pwd.hash, 16);
3631 out = data_blob_talloc_zero(mem_ctx, 16);
3632
3633 sess_crypt_blob(&out, &in, session_key, false);
3634
3635 if (!pdb_set_nt_passwd(pwd, out.data, PDB_CHANGED)) {
3636 return NT_STATUS_ACCESS_DENIED;
3637 }
3638
3639 pdb_set_pass_last_set_time(pwd, time(NULL), PDB_CHANGED);
3640 }
3641
3642 if (id18->lm_pwd_active) {
3643
3644 DATA_BLOB in, out;
3645
3646 in = data_blob_const(id18->lm_pwd.hash, 16);
3647 out = data_blob_talloc_zero(mem_ctx, 16);
3648
3649 sess_crypt_blob(&out, &in, session_key, false);
3650
3651 if (!pdb_set_lanman_passwd(pwd, out.data, PDB_CHANGED)) {
3652 return NT_STATUS_ACCESS_DENIED;
3653 }
3654
3655 pdb_set_pass_last_set_time(pwd, time(NULL), PDB_CHANGED);
3656 }
3657
3658 copy_id18_to_sam_passwd(pwd, id18);
3659
3660 return pdb_update_sam_account(pwd);
3661 }
3662
3663 /*******************************************************************
3664 set_user_info_20
3665 ********************************************************************/
3666
3667 static bool set_user_info_20(struct samr_UserInfo20 *id20,
3668 struct samu *pwd)
3669 {
3670 if (id20 == NULL) {
3671 DEBUG(5, ("set_user_info_20: NULL id20\n"));
3672 return False;
3673 }
3674
3675 copy_id20_to_sam_passwd(pwd, id20);
3676
3677 /* write the change out */
3678 if(!NT_STATUS_IS_OK(pdb_update_sam_account(pwd))) {
3679 return False;
3680 }
3681
3682 return True;
3683 }
3684
3685 /*******************************************************************
3686 set_user_info_21
3687 ********************************************************************/
3688
3689 static NTSTATUS set_user_info_21(struct samr_UserInfo21 *id21,
3690 TALLOC_CTX *mem_ctx,
3691 DATA_BLOB *session_key,
3692 struct samu *pwd)
3693 {
3694 NTSTATUS status;
3695
3696 if (id21 == NULL) {
3697 DEBUG(5, ("set_user_info_21: NULL id21\n"));
3698 return NT_STATUS_INVALID_PARAMETER;
3699 }
3700
3701 if (id21->fields_present == 0) {
3702 return NT_STATUS_INVALID_PARAMETER;
3703 }
3704
3705 if (id21->fields_present & SAMR_FIELD_LAST_PWD_CHANGE) {
3706 return NT_STATUS_ACCESS_DENIED;
3707 }
3708
3709 if (id21->fields_present & SAMR_FIELD_NT_PASSWORD_PRESENT) {
3710 if (id21->nt_password_set) {
3711 DATA_BLOB in, out;
3712
3713 if ((id21->nt_owf_password.length != 16) ||
3714 (id21->nt_owf_password.size != 16)) {
3715 return NT_STATUS_INVALID_PARAMETER;
3716 }
3717
3718 if (!session_key->length) {
3719 return NT_STATUS_NO_USER_SESSION_KEY;
3720 }
3721
3722 in = data_blob_const(id21->nt_owf_password.array, 16);
3723 out = data_blob_talloc_zero(mem_ctx, 16);
3724
3725 sess_crypt_blob(&out, &in, session_key, false);
3726
3727 pdb_set_nt_passwd(pwd, out.data, PDB_CHANGED);
3728 pdb_set_pass_last_set_time(pwd, time(NULL), PDB_CHANGED);
3729 }
3730 }
3731
3732 if (id21->fields_present & SAMR_FIELD_LM_PASSWORD_PRESENT) {
3733 if (id21->lm_password_set) {
3734 DATA_BLOB in, out;
3735
3736 if ((id21->lm_owf_password.length != 16) ||
3737 (id21->lm_owf_password.size != 16)) {
3738 return NT_STATUS_INVALID_PARAMETER;
3739 }
3740
3741 if (!session_key->length) {
3742 return NT_STATUS_NO_USER_SESSION_KEY;
3743 }
3744
3745 in = data_blob_const(id21->lm_owf_password.array, 16);
3746 out = data_blob_talloc_zero(mem_ctx, 16);
3747
3748 sess_crypt_blob(&out, &in, session_key, false);
3749
3750 pdb_set_lanman_passwd(pwd, out.data, PDB_CHANGED);
3751 pdb_set_pass_last_set_time(pwd, time(NULL), PDB_CHANGED);
3752 }
3753 }
3754
3755 /* we need to separately check for an account rename first */
3756
3757 if (id21->account_name.string &&
3758 (!strequal(id21->account_name.string, pdb_get_username(pwd))))
3759 {
3760
3761 /* check to see if the new username already exists. Note: we can't
3762 reliably lock all backends, so there is potentially the
3763 possibility that a user can be created in between this check and
3764 the rename. The rename should fail, but may not get the
3765 exact same failure status code. I think this is small enough
3766 of a window for this type of operation and the results are
3767 simply that the rename fails with a slightly different status
3768 code (like UNSUCCESSFUL instead of ALREADY_EXISTS). */
3769
3770 status = can_create(mem_ctx, id21->account_name.string);
3771 if (!NT_STATUS_IS_OK(status)) {
3772 return status;
3773 }
3774
3775 status = pdb_rename_sam_account(pwd, id21->account_name.string);
3776
3777 if (!NT_STATUS_IS_OK(status)) {
3778 DEBUG(0,("set_user_info_21: failed to rename account: %s\n",
3779 nt_errstr(status)));
3780 return status;
3781 }
3782
3783 /* set the new username so that later
3784 functions can work on the new account */
3785 pdb_set_username(pwd, id21->account_name.string, PDB_SET);
3786 }
3787
3788 copy_id21_to_sam_passwd("INFO_21", pwd, id21);
3789
3790 /*
3791 * The funny part about the previous two calls is
3792 * that pwd still has the password hashes from the
3793 * passdb entry. These have not been updated from
3794 * id21. I don't know if they need to be set. --jerry
3795 */
3796
3797 if ( IS_SAM_CHANGED(pwd, PDB_GROUPSID) ) {
3798 status = pdb_set_unix_primary_group(mem_ctx, pwd);
3799 if ( !NT_STATUS_IS_OK(status) ) {
3800 return status;
3801 }
3802 }
3803
3804 /* Don't worry about writing out the user account since the
3805 primary group SID is generated solely from the user's Unix
3806 primary group. */
3807
3808 /* write the change out */
3809 if(!NT_STATUS_IS_OK(status = pdb_update_sam_account(pwd))) {
3810 return status;
3811 }
3812
3813 return NT_STATUS_OK;
3814 }
3815
3816 /*******************************************************************
3817 set_user_info_23
3818 ********************************************************************/
3819
3820 static NTSTATUS set_user_info_23(TALLOC_CTX *mem_ctx,
3821 struct samr_UserInfo23 *id23,
3822 struct samu *pwd)
3823 {
3824 char *plaintext_buf = NULL;
3825 uint32 len = 0;
3826 uint32_t acct_ctrl;
3827 NTSTATUS status;
3828
3829 if (id23 == NULL) {
3830 DEBUG(5, ("set_user_info_23: NULL id23\n"));
3831 return NT_STATUS_INVALID_PARAMETER;
3832 }
3833
3834 if (id23->info.fields_present == 0) {
3835 return NT_STATUS_INVALID_PARAMETER;
3836 }
3837
3838 if (id23->info.fields_present & SAMR_FIELD_LAST_PWD_CHANGE) {
3839 return NT_STATUS_ACCESS_DENIED;
3840 }
3841
3842 if ((id23->info.fields_present & SAMR_FIELD_NT_PASSWORD_PRESENT) ||
3843 (id23->info.fields_present & SAMR_FIELD_LM_PASSWORD_PRESENT)) {
3844
3845 DEBUG(5, ("Attempting administrator password change (level 23) for user %s\n",
3846 pdb_get_username(pwd)));
3847
3848 if (!decode_pw_buffer(mem_ctx,
3849 id23->password.data,
3850 &plaintext_buf,
3851 &len,
3852 STR_UNICODE)) {
3853 return NT_STATUS_WRONG_PASSWORD;
3854 }
3855
3856 if (!pdb_set_plaintext_passwd (pwd, plaintext_buf)) {
3857 return NT_STATUS_ACCESS_DENIED;
3858 }
3859 }
3860
3861 copy_id23_to_sam_passwd(pwd, id23);
3862
3863 acct_ctrl = pdb_get_acct_ctrl(pwd);
3864
3865 /* if it's a trust account, don't update /etc/passwd */
3866 if ( ( (acct_ctrl & ACB_DOMTRUST) == ACB_DOMTRUST ) ||
3867 ( (acct_ctrl & ACB_WSTRUST) == ACB_WSTRUST) ||
3868 ( (acct_ctrl & ACB_SVRTRUST) == ACB_SVRTRUST) ) {
3869 DEBUG(5, ("Changing trust account. Not updating /etc/passwd\n"));
3870 } else if (plaintext_buf) {
3871 /* update the UNIX password */
3872 if (lp_unix_password_sync() ) {
3873 struct passwd *passwd;
3874 if (pdb_get_username(pwd) == NULL) {
3875 DEBUG(1, ("chgpasswd: User without name???\n"));
3876 return NT_STATUS_ACCESS_DENIED;
3877 }
3878
3879 passwd = Get_Pwnam_alloc(pwd, pdb_get_username(pwd));
3880 if (passwd == NULL) {
3881 DEBUG(1, ("chgpasswd: Username does not exist in system !?!\n"));
3882 }
3883
3884 if(!chgpasswd(pdb_get_username(pwd), passwd, "", plaintext_buf, True)) {
3885 return NT_STATUS_ACCESS_DENIED;
3886 }
3887 TALLOC_FREE(passwd);
3888 }
3889 }
3890
3891 if (plaintext_buf) {
3892 memset(plaintext_buf, '\0', strlen(plaintext_buf));
3893 }
3894
3895 if (IS_SAM_CHANGED(pwd, PDB_GROUPSID) &&
3896 (!NT_STATUS_IS_OK(status = pdb_set_unix_primary_group(mem_ctx,
3897 pwd)))) {
3898 return status;
3899 }
3900
3901 if(!NT_STATUS_IS_OK(status = pdb_update_sam_account(pwd))) {
3902 return status;
3903 }
3904
3905 return NT_STATUS_OK;
3906 }
3907
3908 /*******************************************************************
3909 set_user_info_pw
3910 ********************************************************************/
3911
3912 static bool set_user_info_pw(uint8 *pass, struct samu *pwd)
3913 {
3914 uint32 len = 0;
3915 char *plaintext_buf = NULL;
3916 uint32 acct_ctrl;
3917
3918 DEBUG(5, ("Attempting administrator password change for user %s\n",
3919 pdb_get_username(pwd)));
3920
3921 acct_ctrl = pdb_get_acct_ctrl(pwd);
3922
3923 if (!decode_pw_buffer(talloc_tos(),
3924 pass,
3925 &plaintext_buf,
3926 &len,
3927 STR_UNICODE)) {
3928 return False;
3929 }
3930
3931 if (!pdb_set_plaintext_passwd (pwd, plaintext_buf)) {
3932 return False;
3933 }
3934
3935 /* if it's a trust account, don't update /etc/passwd */
3936 if ( ( (acct_ctrl & ACB_DOMTRUST) == ACB_DOMTRUST ) ||
3937 ( (acct_ctrl & ACB_WSTRUST) == ACB_WSTRUST) ||
3938 ( (acct_ctrl & ACB_SVRTRUST) == ACB_SVRTRUST) ) {
3939 DEBUG(5, ("Changing trust account or non-unix-user password, not updating /etc/passwd\n"));
3940 } else {
3941 /* update the UNIX password */
3942 if (lp_unix_password_sync()) {
3943 struct passwd *passwd;
3944
3945 if (pdb_get_username(pwd) == NULL) {
3946 DEBUG(1, ("chgpasswd: User without name???\n"));
3947 return False;
3948 }
3949
3950 passwd = Get_Pwnam_alloc(pwd, pdb_get_username(pwd));
3951 if (passwd == NULL) {
3952 DEBUG(1, ("chgpasswd: Username does not exist in system !?!\n"));
3953 }
3954
3955 if(!chgpasswd(pdb_get_username(pwd), passwd, "", plaintext_buf, True)) {
3956 return False;
3957 }
3958 TALLOC_FREE(passwd);
3959 }
3960 }
3961
3962 memset(plaintext_buf, '\0', strlen(plaintext_buf));
3963
3964 DEBUG(5,("set_user_info_pw: pdb_update_pwd()\n"));
3965
3966 return True;
3967 }
3968
3969 /*******************************************************************
3970 set_user_info_24
3971 ********************************************************************/
3972
3973 static NTSTATUS set_user_info_24(TALLOC_CTX *mem_ctx,
3974 struct samr_UserInfo24 *id24,
3975 struct samu *pwd)
3976 {
3977 NTSTATUS status;
3978
3979 if (id24 == NULL) {
3980 DEBUG(5, ("set_user_info_24: NULL id24\n"));
3981 return NT_STATUS_INVALID_PARAMETER;
3982 }
3983
3984 if (!set_user_info_pw(id24->password.data, pwd)) {
3985 return NT_STATUS_WRONG_PASSWORD;
3986 }
3987
3988 copy_id24_to_sam_passwd(pwd, id24);
3989
3990 status = pdb_update_sam_account(pwd);
3991 if (!NT_STATUS_IS_OK(status)) {
3992 return status;
3993 }
3994
3995 return NT_STATUS_OK;
3996 }
3997
3998 /*******************************************************************
3999 set_user_info_25
4000 ********************************************************************/
4001
4002 static NTSTATUS set_user_info_25(TALLOC_CTX *mem_ctx,
4003 struct samr_UserInfo25 *id25,
4004 struct samu *pwd)
4005 {
4006 NTSTATUS status;
4007
4008 if (id25 == NULL) {
4009 DEBUG(5, ("set_user_info_25: NULL id25\n"));
4010 return NT_STATUS_INVALID_PARAMETER;
4011 }
4012
4013 if (id25->info.fields_present == 0) {
4014 return NT_STATUS_INVALID_PARAMETER;
4015 }
4016
4017 if (id25->info.fields_present & SAMR_FIELD_LAST_PWD_CHANGE) {
4018 return NT_STATUS_ACCESS_DENIED;
4019 }
4020
4021 if ((id25->info.fields_present & SAMR_FIELD_NT_PASSWORD_PRESENT) ||
4022 (id25->info.fields_present & SAMR_FIELD_LM_PASSWORD_PRESENT)) {
4023
4024 if (!set_user_info_pw(id25->password.data, pwd)) {
4025 return NT_STATUS_WRONG_PASSWORD;
4026 }
4027 }
4028
4029 copy_id25_to_sam_passwd(pwd, id25);
4030
4031 /* write the change out */
4032 if(!NT_STATUS_IS_OK(status = pdb_update_sam_account(pwd))) {
4033 return status;
4034 }
4035
4036 /*
4037 * We need to "pdb_update_sam_account" before the unix primary group
4038 * is set, because the idealx scripts would also change the
4039 * sambaPrimaryGroupSid using the ldap replace method. pdb_ldap uses
4040 * the delete explicit / add explicit, which would then fail to find
4041 * the previous primaryGroupSid value.
4042 */
4043
4044 if ( IS_SAM_CHANGED(pwd, PDB_GROUPSID) ) {
4045 status = pdb_set_unix_primary_group(mem_ctx, pwd);
4046 if ( !NT_STATUS_IS_OK(status) ) {
4047 return status;
4048 }
4049 }
4050
4051 return NT_STATUS_OK;
4052 }
4053
4054 /*******************************************************************
4055 set_user_info_26
4056 ********************************************************************/
4057
4058 static NTSTATUS set_user_info_26(TALLOC_CTX *mem_ctx,
4059 struct samr_UserInfo26 *id26,
4060 struct samu *pwd)
4061 {
4062 NTSTATUS status;
4063
4064 if (id26 == NULL) {
4065 DEBUG(5, ("set_user_info_26: NULL id26\n"));
4066 return NT_STATUS_INVALID_PARAMETER;
4067 }
4068
4069 if (!set_user_info_pw(id26->password.data, pwd)) {
4070 return NT_STATUS_WRONG_PASSWORD;
4071 }
4072
4073 copy_id26_to_sam_passwd(pwd, id26);
4074
4075 status = pdb_update_sam_account(pwd);
4076 if (!NT_STATUS_IS_OK(status)) {
4077 return status;
4078 }
4079
4080 return NT_STATUS_OK;
4081 }
4082
4083
4084 /*******************************************************************
4085 samr_SetUserInfo
4086 ********************************************************************/
4087
4088 NTSTATUS _samr_SetUserInfo(pipes_struct *p,
4089 struct samr_SetUserInfo *r)
4090 {
4091 NTSTATUS status;
4092 struct samu *pwd = NULL;
4093 DOM_SID sid;
4094 union samr_UserInfo *info = r->in.info;
4095 uint16_t switch_value = r->in.level;
4096 uint32_t acc_granted;
4097 uint32_t acc_required;
4098 bool ret;
4099 bool has_enough_rights = False;
4100 uint32_t acb_info;
4101 DISP_INFO *disp_info = NULL;
4102
4103 DEBUG(5,("_samr_SetUserInfo: %d\n", __LINE__));
4104
4105 /* find the policy handle. open a policy on it. */
4106 if (!get_lsa_policy_samr_sid(p, r->in.user_handle, &sid, &acc_granted, &disp_info)) {
4107 return NT_STATUS_INVALID_HANDLE;
4108 }
4109
4110 /* This is tricky. A WinXP domain join sets
4111 (SAMR_USER_ACCESS_SET_PASSWORD|SAMR_USER_ACCESS_SET_ATTRIBUTES|SAMR_USER_ACCESS_GET_ATTRIBUTES)
4112 The MMC lusrmgr plugin includes these perms and more in the SamrOpenUser(). But the
4113 standard Win32 API calls just ask for SAMR_USER_ACCESS_SET_PASSWORD in the SamrOpenUser().
4114 This should be enough for levels 18, 24, 25,& 26. Info level 23 can set more so
4115 we'll use the set from the WinXP join as the basis. */
4116
4117 switch (switch_value) {
4118 case 18:
4119 case 24:
4120 case 25:
4121 case 26:
4122 acc_required = SAMR_USER_ACCESS_SET_PASSWORD;
4123 break;
4124 default:
4125 acc_required = SAMR_USER_ACCESS_SET_PASSWORD |
4126 SAMR_USER_ACCESS_SET_ATTRIBUTES |
4127 SAMR_USER_ACCESS_GET_ATTRIBUTES;
4128 break;
4129 }
4130
4131 status = access_check_samr_function(acc_granted,
4132 acc_required,
4133 "_samr_SetUserInfo");
4134 if (!NT_STATUS_IS_OK(status)) {
4135 return status;
4136 }
4137
4138 DEBUG(5, ("_samr_SetUserInfo: sid:%s, level:%d\n",
4139 sid_string_dbg(&sid), switch_value));
4140
4141 if (info == NULL) {
4142 DEBUG(5, ("_samr_SetUserInfo: NULL info level\n"));
4143 return NT_STATUS_INVALID_INFO_CLASS;
4144 }
4145
4146 if (!(pwd = samu_new(NULL))) {
4147 return NT_STATUS_NO_MEMORY;
4148 }
4149
4150 become_root();
4151 ret = pdb_getsampwsid(pwd, &sid);
4152 unbecome_root();
4153
4154 if (!ret) {
4155 TALLOC_FREE(pwd);
4156 return NT_STATUS_NO_SUCH_USER;
4157 }
4158
4159 /* deal with machine password changes differently from userinfo changes */
4160 /* check to see if we have the sufficient rights */
4161
4162 acb_info = pdb_get_acct_ctrl(pwd);
4163 if (acb_info & ACB_WSTRUST)
4164 has_enough_rights = user_has_privileges(p->server_info->ptok,
4165 &se_machine_account);
4166 else if (acb_info & ACB_NORMAL)
4167 has_enough_rights = user_has_privileges(p->server_info->ptok,
4168 &se_add_users);
4169 else if (acb_info & (ACB_SVRTRUST|ACB_DOMTRUST)) {
4170 if (lp_enable_privileges()) {
4171 has_enough_rights = nt_token_check_domain_rid(p->server_info->ptok,
4172 DOMAIN_GROUP_RID_ADMINS);
4173 }
4174 }
4175
4176 DEBUG(5, ("_samr_SetUserInfo: %s does%s possess sufficient rights\n",
4177 uidtoname(p->server_info->utok.uid),
4178 has_enough_rights ? "" : " not"));
4179
4180 /* ================ BEGIN SeMachineAccountPrivilege BLOCK ================ */
4181
4182 if (has_enough_rights) {
4183 become_root();
4184 }
4185
4186 /* ok! user info levels (lots: see MSDEV help), off we go... */
4187
4188 switch (switch_value) {
4189
4190 case 7:
4191 status = set_user_info_7(p->mem_ctx,
4192 &info->info7, pwd);
4193 break;
4194
4195 case 16:
4196 if (!set_user_info_16(&info->info16, pwd)) {
4197 status = NT_STATUS_ACCESS_DENIED;
4198 }
4199 break;
4200
4201 case 18:
4202 /* Used by AS/U JRA. */
4203 status = set_user_info_18(&info->info18,
4204 p->mem_ctx,
4205 &p->server_info->user_session_key,
4206 pwd);
4207 break;
4208
4209 case 20:
4210 if (!set_user_info_20(&info->info20, pwd)) {
4211 status = NT_STATUS_ACCESS_DENIED;
4212 }
4213 break;
4214
4215 case 21:
4216 status = set_user_info_21(&info->info21,
4217 p->mem_ctx,
4218 &p->server_info->user_session_key,
4219 pwd);
4220 break;
4221
4222 case 23:
4223 if (!p->server_info->user_session_key.length) {
4224 status = NT_STATUS_NO_USER_SESSION_KEY;
4225 }
4226 SamOEMhashBlob(info->info23.password.data, 516,
4227 &p->server_info->user_session_key);
4228
4229 dump_data(100, info->info23.password.data, 516);
4230
4231 status = set_user_info_23(p->mem_ctx,
4232 &info->info23, pwd);
4233 break;
4234
4235 case 24:
4236 if (!p->server_info->user_session_key.length) {
4237 status = NT_STATUS_NO_USER_SESSION_KEY;
4238 }
4239 SamOEMhashBlob(info->info24.password.data,
4240 516,
4241 &p->server_info->user_session_key);
4242
4243 dump_data(100, info->info24.password.data, 516);
4244
4245 status = set_user_info_24(p->mem_ctx,
4246 &info->info24, pwd);
4247 break;
4248
4249 case 25:
4250 if (!p->server_info->user_session_key.length) {
4251 status = NT_STATUS_NO_USER_SESSION_KEY;
4252 }
4253 encode_or_decode_arc4_passwd_buffer(
4254 info->info25.password.data,
4255 &p->server_info->user_session_key);
4256
4257 dump_data(100, info->info25.password.data, 532);
4258
4259 status = set_user_info_25(p->mem_ctx,
4260 &info->info25, pwd);
4261 break;
4262
4263 case 26:
4264 if (!p->server_info->user_session_key.length) {
4265 status = NT_STATUS_NO_USER_SESSION_KEY;
4266 }
4267 encode_or_decode_arc4_passwd_buffer(
4268 info->info26.password.data,
4269 &p->server_info->user_session_key);
4270
4271 dump_data(100, info->info26.password.data, 516);
4272
4273 status = set_user_info_26(p->mem_ctx,
4274 &info->info26, pwd);
4275 break;
4276
4277 default:
4278 status = NT_STATUS_INVALID_INFO_CLASS;
4279 }
4280
4281 TALLOC_FREE(pwd);
4282
4283 if (has_enough_rights) {
4284 unbecome_root();
4285 }
4286
4287 /* ================ END SeMachineAccountPrivilege BLOCK ================ */
4288
4289 if (NT_STATUS_IS_OK(status)) {
4290 force_flush_samr_cache(disp_info);
4291 }
4292
4293 return status;
4294 }
4295
4296 /*******************************************************************
4297 _samr_SetUserInfo2
4298 ********************************************************************/
4299
4300 NTSTATUS _samr_SetUserInfo2(pipes_struct *p,
4301 struct samr_SetUserInfo2 *r)
4302 {
4303 struct samr_SetUserInfo q;
4304
4305 q.in.user_handle = r->in.user_handle;
4306 q.in.level = r->in.level;
4307 q.in.info = r->in.info;
4308
4309 return _samr_SetUserInfo(p, &q);
4310 }
4311
4312 /*********************************************************************
4313 _samr_GetAliasMembership
4314 *********************************************************************/
4315
4316 NTSTATUS _samr_GetAliasMembership(pipes_struct *p,
4317 struct samr_GetAliasMembership *r)
4318 {
4319 size_t num_alias_rids;
4320 uint32 *alias_rids;
4321 struct samr_info *info = NULL;
4322 size_t i;
4323
4324 NTSTATUS ntstatus1;
4325 NTSTATUS ntstatus2;
4326
4327 DOM_SID *members;
4328
4329 DEBUG(5,("_samr_GetAliasMembership: %d\n", __LINE__));
4330
4331 /* find the policy handle. open a policy on it. */
4332 if (!find_policy_by_hnd(p, r->in.domain_handle, (void **)(void *)&info))
4333 return NT_STATUS_INVALID_HANDLE;
4334
4335 ntstatus1 = access_check_samr_function(info->acc_granted,
4336 SAMR_DOMAIN_ACCESS_LOOKUP_ALIAS,
4337 "_samr_GetAliasMembership");
4338 ntstatus2 = access_check_samr_function(info->acc_granted,
4339 SAMR_DOMAIN_ACCESS_OPEN_ACCOUNT,
4340 "_samr_GetAliasMembership");
4341
4342 if (!NT_STATUS_IS_OK(ntstatus1) || !NT_STATUS_IS_OK(ntstatus2)) {
4343 if (!(NT_STATUS_EQUAL(ntstatus1,NT_STATUS_ACCESS_DENIED) && NT_STATUS_IS_OK(ntstatus2)) &&
4344 !(NT_STATUS_EQUAL(ntstatus1,NT_STATUS_ACCESS_DENIED) && NT_STATUS_IS_OK(ntstatus1))) {
4345 return (NT_STATUS_IS_OK(ntstatus1)) ? ntstatus2 : ntstatus1;
4346 }
4347 }
4348
4349 if (!sid_check_is_domain(&info->sid) &&
4350 !sid_check_is_builtin(&info->sid))
4351 return NT_STATUS_OBJECT_TYPE_MISMATCH;
4352
4353 if (r->in.sids->num_sids) {
4354 members = TALLOC_ARRAY(p->mem_ctx, DOM_SID, r->in.sids->num_sids);
4355
4356 if (members == NULL)
4357 return NT_STATUS_NO_MEMORY;
4358 } else {
4359 members = NULL;
4360 }
4361
4362 for (i=0; i<r->in.sids->num_sids; i++)
4363 sid_copy(&members[i], r->in.sids->sids[i].sid);
4364
4365 alias_rids = NULL;
4366 num_alias_rids = 0;
4367
4368 become_root();
4369 ntstatus1 = pdb_enum_alias_memberships(p->mem_ctx, &info->sid, members,
4370 r->in.sids->num_sids,
4371 &alias_rids, &num_alias_rids);
4372 unbecome_root();
4373
4374 if (!NT_STATUS_IS_OK(ntstatus1)) {
4375 return ntstatus1;
4376 }
4377
4378 r->out.rids->count = num_alias_rids;
4379 r->out.rids->ids = alias_rids;
4380
4381 return NT_STATUS_OK;
4382 }
4383
4384 /*********************************************************************
4385 _samr_GetMembersInAlias
4386 *********************************************************************/
4387
4388 NTSTATUS _samr_GetMembersInAlias(pipes_struct *p,
4389 struct samr_GetMembersInAlias *r)
4390 {
4391 NTSTATUS status;
4392 size_t i;
4393 size_t num_sids = 0;
4394 struct lsa_SidPtr *sids = NULL;
4395 DOM_SID *pdb_sids = NULL;
4396
4397 DOM_SID alias_sid;
4398
4399 uint32 acc_granted;
4400
4401 /* find the policy handle. open a policy on it. */
4402 if (!get_lsa_policy_samr_sid(p, r->in.alias_handle, &alias_sid, &acc_granted, NULL))
4403 return NT_STATUS_INVALID_HANDLE;
4404
4405 status = access_check_samr_function(acc_granted,
4406 SAMR_ALIAS_ACCESS_GET_MEMBERS,
4407 "_samr_GetMembersInAlias");
4408 if (!NT_STATUS_IS_OK(status)) {
4409 return status;
4410 }
4411
4412 DEBUG(10, ("sid is %s\n", sid_string_dbg(&alias_sid)));
4413
4414 become_root();
4415 status = pdb_enum_aliasmem(&alias_sid, &pdb_sids, &num_sids);
4416 unbecome_root();
4417
4418 if (!NT_STATUS_IS_OK(status)) {
4419 return status;
4420 }
4421
4422 if (num_sids) {
4423 sids = TALLOC_ZERO_ARRAY(p->mem_ctx, struct lsa_SidPtr, num_sids);
4424 if (sids == NULL) {
4425 TALLOC_FREE(pdb_sids);
4426 return NT_STATUS_NO_MEMORY;
4427 }
4428 }
4429
4430 for (i = 0; i < num_sids; i++) {
4431 sids[i].sid = sid_dup_talloc(p->mem_ctx, &pdb_sids[i]);
4432 if (!sids[i].sid) {
4433 TALLOC_FREE(pdb_sids);
4434 return NT_STATUS_NO_MEMORY;
4435 }
4436 }
4437
4438 r->out.sids->num_sids = num_sids;
4439 r->out.sids->sids = sids;
4440
4441 TALLOC_FREE(pdb_sids);
4442
4443 return NT_STATUS_OK;
4444 }
4445
4446 /*********************************************************************
4447 _samr_QueryGroupMember
4448 *********************************************************************/
4449
4450 NTSTATUS _samr_QueryGroupMember(pipes_struct *p,
4451 struct samr_QueryGroupMember *r)
4452 {
4453 DOM_SID group_sid;
4454 size_t i, num_members;
4455
4456 uint32 *rid=NULL;
4457 uint32 *attr=NULL;
4458
4459 uint32 acc_granted;
4460
4461 NTSTATUS status;
4462 struct samr_RidTypeArray *rids = NULL;
4463
4464 rids = TALLOC_ZERO_P(p->mem_ctx, struct samr_RidTypeArray);
4465 if (!rids) {
4466 return NT_STATUS_NO_MEMORY;
4467 }
4468
4469 /* find the policy handle. open a policy on it. */
4470 if (!get_lsa_policy_samr_sid(p, r->in.group_handle, &group_sid, &acc_granted, NULL))
4471 return NT_STATUS_INVALID_HANDLE;
4472
4473 status = access_check_samr_function(acc_granted,
4474 SAMR_GROUP_ACCESS_GET_MEMBERS,
4475 "_samr_QueryGroupMember");
4476 if (!NT_STATUS_IS_OK(status)) {
4477 return status;
4478 }
4479
4480 DEBUG(10, ("sid is %s\n", sid_string_dbg(&group_sid)));
4481
4482 if (!sid_check_is_in_our_domain(&group_sid)) {
4483 DEBUG(3, ("sid %s is not in our domain\n",
4484 sid_string_dbg(&group_sid)));
4485 return NT_STATUS_NO_SUCH_GROUP;
4486 }
4487
4488 DEBUG(10, ("lookup on Domain SID\n"));
4489
4490 become_root();
4491 status = pdb_enum_group_members(p->mem_ctx, &group_sid,
4492 &rid, &num_members);
4493 unbecome_root();
4494
4495 if (!NT_STATUS_IS_OK(status))
4496 return status;
4497
4498 if (num_members) {
4499 attr=TALLOC_ZERO_ARRAY(p->mem_ctx, uint32, num_members);
4500 if (attr == NULL) {
4501 return NT_STATUS_NO_MEMORY;
4502 }
4503 } else {
4504 attr = NULL;
4505 }
4506
4507 for (i=0; i<num_members; i++)
4508 attr[i] = SID_NAME_USER;
4509
4510 rids->count = num_members;
4511 rids->types = attr;
4512 rids->rids = rid;
4513
4514 *r->out.rids = rids;
4515
4516 return NT_STATUS_OK;
4517 }
4518
4519 /*********************************************************************
4520 _samr_AddAliasMember
4521 *********************************************************************/
4522
4523 NTSTATUS _samr_AddAliasMember(pipes_struct *p,
4524 struct samr_AddAliasMember *r)
4525 {
4526 DOM_SID alias_sid;
4527 uint32 acc_granted;
4528 SE_PRIV se_rights;
4529 bool can_add_accounts;
4530 NTSTATUS status;
4531 DISP_INFO *disp_info = NULL;
4532
4533 /* Find the policy handle. Open a policy on it. */
4534 if (!get_lsa_policy_samr_sid(p, r->in.alias_handle, &alias_sid, &acc_granted, &disp_info))
4535 return NT_STATUS_INVALID_HANDLE;
4536
4537 status = access_check_samr_function(acc_granted,
4538 SAMR_ALIAS_ACCESS_ADD_MEMBER,
4539 "_samr_AddAliasMember");
4540 if (!NT_STATUS_IS_OK(status)) {
4541 return status;
4542 }
4543
4544 DEBUG(10, ("sid is %s\n", sid_string_dbg(&alias_sid)));
4545
4546 se_priv_copy( &se_rights, &se_add_users );
4547 can_add_accounts = user_has_privileges( p->server_info->ptok, &se_rights );
4548
4549 /******** BEGIN SeAddUsers BLOCK *********/
4550
4551 if ( can_add_accounts )
4552 become_root();
4553
4554 status = pdb_add_aliasmem(&alias_sid, r->in.sid);
4555
4556 if ( can_add_accounts )
4557 unbecome_root();
4558
4559 /******** END SeAddUsers BLOCK *********/
4560
4561 if (NT_STATUS_IS_OK(status)) {
4562 force_flush_samr_cache(disp_info);
4563 }
4564
4565 return status;
4566 }
4567
4568 /*********************************************************************
4569 _samr_DeleteAliasMember
4570 *********************************************************************/
4571
4572 NTSTATUS _samr_DeleteAliasMember(pipes_struct *p,
4573 struct samr_DeleteAliasMember *r)
4574 {
4575 DOM_SID alias_sid;
4576 uint32 acc_granted;
4577 SE_PRIV se_rights;
4578 bool can_add_accounts;
4579 NTSTATUS status;
4580 DISP_INFO *disp_info = NULL;
4581
4582 /* Find the policy handle. Open a policy on it. */
4583 if (!get_lsa_policy_samr_sid(p, r->in.alias_handle, &alias_sid, &acc_granted, &disp_info))
4584 return NT_STATUS_INVALID_HANDLE;
4585
4586 status = access_check_samr_function(acc_granted,
4587 SAMR_ALIAS_ACCESS_REMOVE_MEMBER,
4588 "_samr_DeleteAliasMember");
4589 if (!NT_STATUS_IS_OK(status)) {
4590 return status;
4591 }
4592
4593 DEBUG(10, ("_samr_del_aliasmem:sid is %s\n",
4594 sid_string_dbg(&alias_sid)));
4595
4596 se_priv_copy( &se_rights, &se_add_users );
4597 can_add_accounts = user_has_privileges( p->server_info->ptok, &se_rights );
4598
4599 /******** BEGIN SeAddUsers BLOCK *********/
4600
4601 if ( can_add_accounts )
4602 become_root();
4603
4604 status = pdb_del_aliasmem(&alias_sid, r->in.sid);
4605
4606 if ( can_add_accounts )
4607 unbecome_root();
4608
4609 /******** END SeAddUsers BLOCK *********/
4610
4611 if (NT_STATUS_IS_OK(status)) {
4612 force_flush_samr_cache(disp_info);
4613 }
4614
4615 return status;
4616 }
4617
4618 /*********************************************************************
4619 _samr_AddGroupMember
4620 *********************************************************************/
4621
4622 NTSTATUS _samr_AddGroupMember(pipes_struct *p,
4623 struct samr_AddGroupMember *r)
4624 {
4625 NTSTATUS status;
4626 DOM_SID group_sid;
4627 uint32 group_rid;
4628 uint32 acc_granted;
4629 SE_PRIV se_rights;
4630 bool can_add_accounts;
4631 DISP_INFO *disp_info = NULL;
4632
4633 /* Find the policy handle. Open a policy on it. */
4634 if (!get_lsa_policy_samr_sid(p, r->in.group_handle, &group_sid, &acc_granted, &disp_info))
4635 return NT_STATUS_INVALID_HANDLE;
4636
4637 status = access_check_samr_function(acc_granted,
4638 SAMR_GROUP_ACCESS_ADD_MEMBER,
4639 "_samr_AddGroupMember");
4640 if (!NT_STATUS_IS_OK(status)) {
4641 return status;
4642 }
4643
4644 DEBUG(10, ("sid is %s\n", sid_string_dbg(&group_sid)));
4645
4646 if (!sid_peek_check_rid(get_global_sam_sid(), &group_sid,
4647 &group_rid)) {
4648 return NT_STATUS_INVALID_HANDLE;
4649 }
4650
4651 se_priv_copy( &se_rights, &se_add_users );
4652 can_add_accounts = user_has_privileges( p->server_info->ptok, &se_rights );
4653
4654 /******** BEGIN SeAddUsers BLOCK *********/
4655
4656 if ( can_add_accounts )
4657 become_root();
4658
4659 status = pdb_add_groupmem(p->mem_ctx, group_rid, r->in.rid);
4660
4661 if ( can_add_accounts )
4662 unbecome_root();
4663
4664 /******** END SeAddUsers BLOCK *********/
4665
4666 force_flush_samr_cache(disp_info);
4667
4668 return status;
4669 }
4670
4671 /*********************************************************************
4672 _samr_DeleteGroupMember
4673 *********************************************************************/
4674
4675 NTSTATUS _samr_DeleteGroupMember(pipes_struct *p,
4676 struct samr_DeleteGroupMember *r)
4677
4678 {
4679 NTSTATUS status;
4680 DOM_SID group_sid;
4681 uint32 group_rid;
4682 uint32 acc_granted;
4683 SE_PRIV se_rights;
4684 bool can_add_accounts;
4685 DISP_INFO *disp_info = NULL;
4686
4687 /*
4688 * delete the group member named r->in.rid
4689 * who is a member of the sid associated with the handle
4690 * the rid is a user's rid as the group is a domain group.
4691 */
4692
4693 /* Find the policy handle. Open a policy on it. */
4694 if (!get_lsa_policy_samr_sid(p, r->in.group_handle, &group_sid, &acc_granted, &disp_info))
4695 return NT_STATUS_INVALID_HANDLE;
4696
4697 status = access_check_samr_function(acc_granted,
4698 SAMR_GROUP_ACCESS_REMOVE_MEMBER,
4699 "_samr_DeleteGroupMember");
4700 if (!NT_STATUS_IS_OK(status)) {
4701 return status;
4702 }
4703
4704 if (!sid_peek_check_rid(get_global_sam_sid(), &group_sid,
4705 &group_rid)) {
4706 return NT_STATUS_INVALID_HANDLE;
4707 }
4708
4709 se_priv_copy( &se_rights, &se_add_users );
4710 can_add_accounts = user_has_privileges( p->server_info->ptok, &se_rights );
4711
4712 /******** BEGIN SeAddUsers BLOCK *********/
4713
4714 if ( can_add_accounts )
4715 become_root();
4716
4717 status = pdb_del_groupmem(p->mem_ctx, group_rid, r->in.rid);
4718
4719 if ( can_add_accounts )
4720 unbecome_root();
4721
4722 /******** END SeAddUsers BLOCK *********/
4723
4724 force_flush_samr_cache(disp_info);
4725
4726 return status;
4727 }
4728
4729 /*********************************************************************
4730 _samr_DeleteUser
4731 *********************************************************************/
4732
4733 NTSTATUS _samr_DeleteUser(pipes_struct *p,
4734 struct samr_DeleteUser *r)
4735 {
4736 NTSTATUS status;
4737 DOM_SID user_sid;
4738 struct samu *sam_pass=NULL;
4739 uint32 acc_granted;
4740 bool can_add_accounts;
4741 uint32 acb_info;
4742 DISP_INFO *disp_info = NULL;
4743 bool ret;
4744
4745 DEBUG(5, ("_samr_DeleteUser: %d\n", __LINE__));
4746
4747 /* Find the policy handle. Open a policy on it. */
4748 if (!get_lsa_policy_samr_sid(p, r->in.user_handle, &user_sid, &acc_granted, &disp_info))
4749 return NT_STATUS_INVALID_HANDLE;
4750
4751 status = access_check_samr_function(acc_granted,
4752 STD_RIGHT_DELETE_ACCESS,
4753 "_samr_DeleteUser");
4754 if (!NT_STATUS_IS_OK(status)) {
4755 return status;
4756 }
4757
4758 if (!sid_check_is_in_our_domain(&user_sid))
4759 return NT_STATUS_CANNOT_DELETE;
4760
4761 /* check if the user exists before trying to delete */
4762 if ( !(sam_pass = samu_new( NULL )) ) {
4763 return NT_STATUS_NO_MEMORY;
4764 }
4765
4766 become_root();
4767 ret = pdb_getsampwsid(sam_pass, &user_sid);
4768 unbecome_root();
4769
4770 if( !ret ) {
4771 DEBUG(5,("_samr_DeleteUser: User %s doesn't exist.\n",
4772 sid_string_dbg(&user_sid)));
4773 TALLOC_FREE(sam_pass);
4774 return NT_STATUS_NO_SUCH_USER;
4775 }
4776
4777 acb_info = pdb_get_acct_ctrl(sam_pass);
4778
4779 /* For machine accounts it's the SeMachineAccountPrivilege that counts. */
4780 if ( acb_info & ACB_WSTRUST ) {
4781 can_add_accounts = user_has_privileges( p->server_info->ptok, &se_machine_account );
4782 } else {
4783 can_add_accounts = user_has_privileges( p->server_info->ptok, &se_add_users );
4784 }
4785
4786 /******** BEGIN SeAddUsers BLOCK *********/
4787
4788 if ( can_add_accounts )
4789 become_root();
4790
4791 status = pdb_delete_user(p->mem_ctx, sam_pass);
4792
4793 if ( can_add_accounts )
4794 unbecome_root();
4795
4796 /******** END SeAddUsers BLOCK *********/
4797
4798 if ( !NT_STATUS_IS_OK(status) ) {
4799 DEBUG(5,("_samr_DeleteUser: Failed to delete entry for "
4800 "user %s: %s.\n", pdb_get_username(sam_pass),
4801 nt_errstr(status)));
4802 TALLOC_FREE(sam_pass);
4803 return status;
4804 }
4805
4806
4807 TALLOC_FREE(sam_pass);
4808
4809 if (!close_policy_hnd(p, r->in.user_handle))
4810 return NT_STATUS_OBJECT_NAME_INVALID;
4811
4812 ZERO_STRUCTP(r->out.user_handle);
4813
4814 force_flush_samr_cache(disp_info);
4815
4816 return NT_STATUS_OK;
4817 }
4818
4819 /*********************************************************************
4820 _samr_DeleteDomainGroup
4821 *********************************************************************/
4822
4823 NTSTATUS _samr_DeleteDomainGroup(pipes_struct *p,
4824 struct samr_DeleteDomainGroup *r)
4825 {
4826 NTSTATUS status;
4827 DOM_SID group_sid;
4828 uint32 group_rid;
4829 uint32 acc_granted;
4830 SE_PRIV se_rights;
4831 bool can_add_accounts;
4832 DISP_INFO *disp_info = NULL;
4833
4834 DEBUG(5, ("samr_DeleteDomainGroup: %d\n", __LINE__));
4835
4836 /* Find the policy handle. Open a policy on it. */
4837 if (!get_lsa_policy_samr_sid(p, r->in.group_handle, &group_sid, &acc_granted, &disp_info))
4838 return NT_STATUS_INVALID_HANDLE;
4839
4840 status = access_check_samr_function(acc_granted,
4841 STD_RIGHT_DELETE_ACCESS,
4842 "_samr_DeleteDomainGroup");
4843 if (!NT_STATUS_IS_OK(status)) {
4844 return status;
4845 }
4846
4847 DEBUG(10, ("sid is %s\n", sid_string_dbg(&group_sid)));
4848
4849 if (!sid_peek_check_rid(get_global_sam_sid(), &group_sid,
4850 &group_rid)) {
4851 return NT_STATUS_NO_SUCH_GROUP;
4852 }
4853
4854 se_priv_copy( &se_rights, &se_add_users );
4855 can_add_accounts = user_has_privileges( p->server_info->ptok, &se_rights );
4856
4857 /******** BEGIN SeAddUsers BLOCK *********/
4858
4859 if ( can_add_accounts )
4860 become_root();
4861
4862 status = pdb_delete_dom_group(p->mem_ctx, group_rid);
4863
4864 if ( can_add_accounts )
4865 unbecome_root();
4866
4867 /******** END SeAddUsers BLOCK *********/
4868
4869 if ( !NT_STATUS_IS_OK(status) ) {
4870 DEBUG(5,("_samr_DeleteDomainGroup: Failed to delete mapping "
4871 "entry for group %s: %s\n",
4872 sid_string_dbg(&group_sid),
4873 nt_errstr(status)));
4874 return status;
4875 }
4876
4877 if (!close_policy_hnd(p, r->in.group_handle))
4878 return NT_STATUS_OBJECT_NAME_INVALID;
4879
4880 force_flush_samr_cache(disp_info);
4881
4882 return NT_STATUS_OK;
4883 }
4884
4885 /*********************************************************************
4886 _samr_DeleteDomAlias
4887 *********************************************************************/
4888
4889 NTSTATUS _samr_DeleteDomAlias(pipes_struct *p,
4890 struct samr_DeleteDomAlias *r)
4891 {
4892 DOM_SID alias_sid;
4893 uint32 acc_granted;
4894 SE_PRIV se_rights;
4895 bool can_add_accounts;
4896 NTSTATUS status;
4897 DISP_INFO *disp_info = NULL;
4898
4899 DEBUG(5, ("_samr_DeleteDomAlias: %d\n", __LINE__));
4900
4901 /* Find the policy handle. Open a policy on it. */
4902 if (!get_lsa_policy_samr_sid(p, r->in.alias_handle, &alias_sid, &acc_granted, &disp_info))
4903 return NT_STATUS_INVALID_HANDLE;
4904
4905 /* copy the handle to the outgoing reply */
4906
4907 memcpy(r->out.alias_handle, r->in.alias_handle, sizeof(r->out.alias_handle));
4908
4909 status = access_check_samr_function(acc_granted,
4910 STD_RIGHT_DELETE_ACCESS,
4911 "_samr_DeleteDomAlias");
4912 if (!NT_STATUS_IS_OK(status)) {
4913 return status;
4914 }
4915
4916 DEBUG(10, ("sid is %s\n", sid_string_dbg(&alias_sid)));
4917
4918 /* Don't let Windows delete builtin groups */
4919
4920 if ( sid_check_is_in_builtin( &alias_sid ) ) {
4921 return NT_STATUS_SPECIAL_ACCOUNT;
4922 }
4923
4924 if (!sid_check_is_in_our_domain(&alias_sid))
4925 return NT_STATUS_NO_SUCH_ALIAS;
4926
4927 DEBUG(10, ("lookup on Local SID\n"));
4928
4929 se_priv_copy( &se_rights, &se_add_users );
4930 can_add_accounts = user_has_privileges( p->server_info->ptok, &se_rights );
4931
4932 /******** BEGIN SeAddUsers BLOCK *********/
4933
4934 if ( can_add_accounts )
4935 become_root();
4936
4937 /* Have passdb delete the alias */
4938 status = pdb_delete_alias(&alias_sid);
4939
4940 if ( can_add_accounts )
4941 unbecome_root();
4942
4943 /******** END SeAddUsers BLOCK *********/
4944
4945 if ( !NT_STATUS_IS_OK(status))
4946 return status;
4947
4948 if (!close_policy_hnd(p, r->in.alias_handle))
4949 return NT_STATUS_OBJECT_NAME_INVALID;
4950
4951 force_flush_samr_cache(disp_info);
4952
4953 return NT_STATUS_OK;
4954 }
4955
4956 /*********************************************************************
4957 _samr_CreateDomainGroup
4958 *********************************************************************/
4959
4960 NTSTATUS _samr_CreateDomainGroup(pipes_struct *p,
4961 struct samr_CreateDomainGroup *r)
4962
4963 {
4964 NTSTATUS status;
4965 DOM_SID dom_sid;
4966 DOM_SID info_sid;
4967 const char *name;
4968 struct samr_info *info;
4969 uint32 acc_granted;
4970 SE_PRIV se_rights;
4971 bool can_add_accounts;
4972 DISP_INFO *disp_info = NULL;
4973
4974 /* Find the policy handle. Open a policy on it. */
4975 if (!get_lsa_policy_samr_sid(p, r->in.domain_handle, &dom_sid, &acc_granted, &disp_info))
4976 return NT_STATUS_INVALID_HANDLE;
4977
4978 status = access_check_samr_function(acc_granted,
4979 SAMR_DOMAIN_ACCESS_CREATE_GROUP,
4980 "_samr_CreateDomainGroup");
4981 if (!NT_STATUS_IS_OK(status)) {
4982 return status;
4983 }
4984
4985 if (!sid_equal(&dom_sid, get_global_sam_sid()))
4986 return NT_STATUS_ACCESS_DENIED;
4987
4988 name = r->in.name->string;
4989 if (name == NULL) {
4990 return NT_STATUS_NO_MEMORY;
4991 }
4992
4993 status = can_create(p->mem_ctx, name);
4994 if (!NT_STATUS_IS_OK(status)) {
4995 return status;
4996 }
4997
4998 se_priv_copy( &se_rights, &se_add_users );
4999 can_add_accounts = user_has_privileges( p->server_info->ptok, &se_rights );
5000
5001 /******** BEGIN SeAddUsers BLOCK *********/
5002
5003 if ( can_add_accounts )
5004 become_root();
5005
5006 /* check that we successfully create the UNIX group */
5007
5008 status = pdb_create_dom_group(p->mem_ctx, name, r->out.rid);
5009
5010 if ( can_add_accounts )
5011 unbecome_root();
5012
5013 /******** END SeAddUsers BLOCK *********/
5014
5015 /* check if we should bail out here */
5016
5017 if ( !NT_STATUS_IS_OK(status) )
5018 return status;
5019
5020 sid_compose(&info_sid, get_global_sam_sid(), *r->out.rid);
5021
5022 if ((info = get_samr_info_by_sid(p->mem_ctx, &info_sid)) == NULL)
5023 return NT_STATUS_NO_MEMORY;
5024
5025 /* they created it; let the user do what he wants with it */
5026
5027 info->acc_granted = GENERIC_RIGHTS_GROUP_ALL_ACCESS;
5028
5029 /* get a (unique) handle. open a policy on it. */
5030 if (!create_policy_hnd(p, r->out.group_handle, info))
5031 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
5032
5033 force_flush_samr_cache(disp_info);
5034
5035 return NT_STATUS_OK;
5036 }
5037
5038 /*********************************************************************
5039 _samr_CreateDomAlias
5040 *********************************************************************/
5041
5042 NTSTATUS _samr_CreateDomAlias(pipes_struct *p,
5043 struct samr_CreateDomAlias *r)
5044 {
5045 DOM_SID dom_sid;
5046 DOM_SID info_sid;
5047 const char *name = NULL;
5048 struct samr_info *info;
5049 uint32 acc_granted;
5050 gid_t gid;
5051 NTSTATUS result;
5052 SE_PRIV se_rights;
5053 bool can_add_accounts;
5054 DISP_INFO *disp_info = NULL;
5055
5056 /* Find the policy handle. Open a policy on it. */
5057 if (!get_lsa_policy_samr_sid(p, r->in.domain_handle, &dom_sid, &acc_granted, &disp_info))
5058 return NT_STATUS_INVALID_HANDLE;
5059
5060 result = access_check_samr_function(acc_granted,
5061 SAMR_DOMAIN_ACCESS_CREATE_ALIAS,
5062 "_samr_CreateDomAlias");
5063 if (!NT_STATUS_IS_OK(result)) {
5064 return result;
5065 }
5066
5067 if (!sid_equal(&dom_sid, get_global_sam_sid()))
5068 return NT_STATUS_ACCESS_DENIED;
5069
5070 name = r->in.alias_name->string;
5071
5072 se_priv_copy( &se_rights, &se_add_users );
5073 can_add_accounts = user_has_privileges( p->server_info->ptok, &se_rights );
5074
5075 result = can_create(p->mem_ctx, name);
5076 if (!NT_STATUS_IS_OK(result)) {
5077 return result;
5078 }
5079
5080 /******** BEGIN SeAddUsers BLOCK *********/
5081
5082 if ( can_add_accounts )
5083 become_root();
5084
5085 /* Have passdb create the alias */
5086 result = pdb_create_alias(name, r->out.rid);
5087
5088 if ( can_add_accounts )
5089 unbecome_root();
5090
5091 /******** END SeAddUsers BLOCK *********/
5092
5093 if (!NT_STATUS_IS_OK(result)) {
5094 DEBUG(10, ("pdb_create_alias failed: %s\n",
5095 nt_errstr(result)));
5096 return result;
5097 }
5098
5099 sid_copy(&info_sid, get_global_sam_sid());
5100 sid_append_rid(&info_sid, *r->out.rid);
5101
5102 if (!sid_to_gid(&info_sid, &gid)) {
5103 DEBUG(10, ("Could not find alias just created\n"));
5104 return NT_STATUS_ACCESS_DENIED;
5105 }
5106
5107 /* check if the group has been successfully created */
5108 if ( getgrgid(gid) == NULL ) {
5109 DEBUG(10, ("getgrgid(%d) of just created alias failed\n",
5110 gid));
5111 return NT_STATUS_ACCESS_DENIED;
5112 }
5113
5114 if ((info = get_samr_info_by_sid(p->mem_ctx, &info_sid)) == NULL)
5115 return NT_STATUS_NO_MEMORY;
5116
5117 /* they created it; let the user do what he wants with it */
5118
5119 info->acc_granted = GENERIC_RIGHTS_ALIAS_ALL_ACCESS;
5120
5121 /* get a (unique) handle. open a policy on it. */
5122 if (!create_policy_hnd(p, r->out.alias_handle, info))
5123 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
5124
5125 force_flush_samr_cache(disp_info);
5126
5127 return NT_STATUS_OK;
5128 }
5129
5130 /*********************************************************************
5131 _samr_QueryGroupInfo
5132 *********************************************************************/
5133
5134 NTSTATUS _samr_QueryGroupInfo(pipes_struct *p,
5135 struct samr_QueryGroupInfo *r)
5136 {
5137 NTSTATUS status;
5138 DOM_SID group_sid;
5139 GROUP_MAP map;
5140 union samr_GroupInfo *info = NULL;
5141 uint32 acc_granted;
5142 bool ret;
5143 uint32_t attributes = SE_GROUP_MANDATORY |
5144 SE_GROUP_ENABLED_BY_DEFAULT |
5145 SE_GROUP_ENABLED;
5146 const char *group_name = NULL;
5147 const char *group_description = NULL;
5148
5149 if (!get_lsa_policy_samr_sid(p, r->in.group_handle, &group_sid, &acc_granted, NULL))
5150 return NT_STATUS_INVALID_HANDLE;
5151
5152 status = access_check_samr_function(acc_granted,
5153 SAMR_GROUP_ACCESS_LOOKUP_INFO,
5154 "_samr_QueryGroupInfo");
5155 if (!NT_STATUS_IS_OK(status)) {
5156 return status;
5157 }
5158
5159 become_root();
5160 ret = get_domain_group_from_sid(group_sid, &map);
5161 unbecome_root();
5162 if (!ret)
5163 return NT_STATUS_INVALID_HANDLE;
5164
5165 /* FIXME: map contains fstrings */
5166 group_name = talloc_strdup(r, map.nt_name);
5167 group_description = talloc_strdup(r, map.comment);
5168
5169 info = TALLOC_ZERO_P(p->mem_ctx, union samr_GroupInfo);
5170 if (!info) {
5171 return NT_STATUS_NO_MEMORY;
5172 }
5173
5174 switch (r->in.level) {
5175 case 1: {
5176 uint32 *members;
5177 size_t num_members;
5178
5179 become_root();
5180 status = pdb_enum_group_members(
5181 p->mem_ctx, &group_sid, &members, &num_members);
5182 unbecome_root();
5183
5184 if (!NT_STATUS_IS_OK(status)) {
5185 return status;
5186 }
5187
5188 info->all.name.string = group_name;
5189 info->all.attributes = attributes;
5190 info->all.num_members = num_members;
5191 info->all.description.string = group_description;
5192 break;
5193 }
5194 case 2:
5195 info->name.string = group_name;
5196 break;
5197 case 3:
5198 info->attributes.attributes = attributes;
5199 break;
5200 case 4:
5201 info->description.string = group_description;
5202 break;
5203 case 5: {
5204 /*
5205 uint32 *members;
5206 size_t num_members;
5207 */
5208
5209 /*
5210 become_root();
5211 status = pdb_enum_group_members(
5212 p->mem_ctx, &group_sid, &members, &num_members);
5213 unbecome_root();
5214
5215 if (!NT_STATUS_IS_OK(status)) {
5216 return status;
5217 }
5218 */
5219 info->all2.name.string = group_name;
5220 info->all2.attributes = attributes;
5221 info->all2.num_members = 0; /* num_members - in w2k3 this is always 0 */
5222 info->all2.description.string = group_description;
5223
5224 break;
5225 }
5226 default:
5227 return NT_STATUS_INVALID_INFO_CLASS;
5228 }
5229
5230 *r->out.info = info;
5231
5232 return NT_STATUS_OK;
5233 }
5234
5235 /*********************************************************************
5236 _samr_SetGroupInfo
5237 *********************************************************************/
5238
5239 NTSTATUS _samr_SetGroupInfo(pipes_struct *p,
5240 struct samr_SetGroupInfo *r)
5241 {
5242 DOM_SID group_sid;
5243 GROUP_MAP map;
5244 uint32 acc_granted;
5245 NTSTATUS status;
5246 bool ret;
5247 bool can_mod_accounts;
5248 DISP_INFO *disp_info = NULL;
5249
5250 if (!get_lsa_policy_samr_sid(p, r->in.group_handle, &group_sid, &acc_granted, &disp_info))
5251 return NT_STATUS_INVALID_HANDLE;
5252
5253 status = access_check_samr_function(acc_granted,
5254 SAMR_GROUP_ACCESS_SET_INFO,
5255 "_samr_SetGroupInfo");
5256 if (!NT_STATUS_IS_OK(status)) {
5257 return status;
5258 }
5259
5260 become_root();
5261 ret = get_domain_group_from_sid(group_sid, &map);
5262 unbecome_root();
5263 if (!ret)
5264 return NT_STATUS_NO_SUCH_GROUP;
5265
5266 switch (r->in.level) {
5267 case 1:
5268 fstrcpy(map.comment, r->in.info->all.description.string);
5269 break;
5270 case 2:
5271 /* group rename is not supported yet */
5272 return NT_STATUS_NOT_SUPPORTED;
5273 case 4:
5274 fstrcpy(map.comment, r->in.info->description.string);
5275 break;
5276 default:
5277 return NT_STATUS_INVALID_INFO_CLASS;
5278 }
5279
5280 can_mod_accounts = user_has_privileges( p->server_info->ptok, &se_add_users );
5281
5282 /******** BEGIN SeAddUsers BLOCK *********/
5283
5284 if ( can_mod_accounts )
5285 become_root();
5286
5287 status = pdb_update_group_mapping_entry(&map);
5288
5289 if ( can_mod_accounts )
5290 unbecome_root();
5291
5292 /******** End SeAddUsers BLOCK *********/
5293
5294 if (NT_STATUS_IS_OK(status)) {
5295 force_flush_samr_cache(disp_info);
5296 }
5297
5298 return status;
5299 }
5300
5301 /*********************************************************************
5302 _samr_SetAliasInfo
5303 *********************************************************************/
5304
5305 NTSTATUS _samr_SetAliasInfo(pipes_struct *p,
5306 struct samr_SetAliasInfo *r)
5307 {
5308 DOM_SID group_sid;
5309 struct acct_info info;
5310 uint32 acc_granted;
5311 bool can_mod_accounts;
5312 NTSTATUS status;
5313 DISP_INFO *disp_info = NULL;
5314
5315 if (!get_lsa_policy_samr_sid(p, r->in.alias_handle, &group_sid, &acc_granted, &disp_info))
5316 return NT_STATUS_INVALID_HANDLE;
5317
5318 status = access_check_samr_function(acc_granted,
5319 SAMR_ALIAS_ACCESS_SET_INFO,
5320 "_samr_SetAliasInfo");
5321 if (!NT_STATUS_IS_OK(status)) {
5322 return status;
5323 }
5324
5325 /* get the current group information */
5326
5327 become_root();
5328 status = pdb_get_aliasinfo( &group_sid, &info );
5329 unbecome_root();
5330
5331 if ( !NT_STATUS_IS_OK(status))
5332 return status;
5333
5334 switch (r->in.level) {
5335 case ALIASINFONAME:
5336 {
5337 fstring group_name;
5338
5339 /* We currently do not support renaming groups in the
5340 the BUILTIN domain. Refer to util_builtin.c to understand
5341 why. The eventually needs to be fixed to be like Windows
5342 where you can rename builtin groups, just not delete them */
5343
5344 if ( sid_check_is_in_builtin( &group_sid ) ) {
5345 return NT_STATUS_SPECIAL_ACCOUNT;
5346 }
5347
5348 /* There has to be a valid name (and it has to be different) */
5349
5350 if ( !r->in.info->name.string )
5351 return NT_STATUS_INVALID_PARAMETER;
5352
5353 /* If the name is the same just reply "ok". Yes this
5354 doesn't allow you to change the case of a group name. */
5355
5356 if ( strequal( r->in.info->name.string, info.acct_name ) )
5357 return NT_STATUS_OK;
5358
5359 fstrcpy( info.acct_name, r->in.info->name.string);
5360
5361 /* make sure the name doesn't already exist as a user
5362 or local group */
5363
5364 fstr_sprintf( group_name, "%s\\%s", global_myname(), info.acct_name );
5365 status = can_create( p->mem_ctx, group_name );
5366 if ( !NT_STATUS_IS_OK( status ) )
5367 return status;
5368 break;
5369 }
5370 case ALIASINFODESCRIPTION:
5371 if (r->in.info->description.string) {
5372 fstrcpy(info.acct_desc,
5373 r->in.info->description.string);
5374 } else {
5375 fstrcpy( info.acct_desc, "" );
5376 }
5377 break;
5378 default:
5379 return NT_STATUS_INVALID_INFO_CLASS;
5380 }
5381
5382 can_mod_accounts = user_has_privileges( p->server_info->ptok, &se_add_users );
5383
5384 /******** BEGIN SeAddUsers BLOCK *********/
5385
5386 if ( can_mod_accounts )
5387 become_root();
5388
5389 status = pdb_set_aliasinfo( &group_sid, &info );
5390
5391 if ( can_mod_accounts )
5392 unbecome_root();
5393
5394 /******** End SeAddUsers BLOCK *********/
5395
5396 if (NT_STATUS_IS_OK(status))
5397 force_flush_samr_cache(disp_info);
5398
5399 return status;
5400 }
5401
5402 /****************************************************************
5403 _samr_GetDomPwInfo
5404 ****************************************************************/
5405
5406 NTSTATUS _samr_GetDomPwInfo(pipes_struct *p,
5407 struct samr_GetDomPwInfo *r)
5408 {
5409 uint32_t min_password_length = 0;
5410 uint32_t password_properties = 0;
5411
5412 /* Perform access check. Since this rpc does not require a
5413 policy handle it will not be caught by the access checks on
5414 SAMR_CONNECT or SAMR_CONNECT_ANON. */
5415
5416 if (!pipe_access_check(p)) {
5417 DEBUG(3, ("access denied to _samr_GetDomPwInfo\n"));
5418 return NT_STATUS_ACCESS_DENIED;
5419 }
5420
5421 become_root();
5422 pdb_get_account_policy(AP_MIN_PASSWORD_LEN,
5423 &min_password_length);
5424 pdb_get_account_policy(AP_USER_MUST_LOGON_TO_CHG_PASS,
5425 &password_properties);
5426 unbecome_root();
5427
5428 if (lp_check_password_script() && *lp_check_password_script()) {
5429 password_properties |= DOMAIN_PASSWORD_COMPLEX;
5430 }
5431
5432 r->out.info->min_password_length = min_password_length;
5433 r->out.info->password_properties = password_properties;
5434
5435 return NT_STATUS_OK;
5436 }
5437
5438 /*********************************************************************
5439 _samr_OpenGroup
5440 *********************************************************************/
5441
5442 NTSTATUS _samr_OpenGroup(pipes_struct *p,
5443 struct samr_OpenGroup *r)
5444
5445 {
5446 DOM_SID sid;
5447 DOM_SID info_sid;
5448 GROUP_MAP map;
5449 struct samr_info *info;
5450 SEC_DESC *psd = NULL;
5451 uint32 acc_granted;
5452 uint32 des_access = r->in.access_mask;
5453 size_t sd_size;
5454 NTSTATUS status;
5455 fstring sid_string;
5456 bool ret;
5457 SE_PRIV se_rights;
5458
5459 if (!get_lsa_policy_samr_sid(p, r->in.domain_handle, &sid, &acc_granted, NULL))
5460 return NT_STATUS_INVALID_HANDLE;
5461
5462 status = access_check_samr_function(acc_granted,
5463 SAMR_DOMAIN_ACCESS_OPEN_ACCOUNT,
5464 "_samr_OpenGroup");
5465
5466 if ( !NT_STATUS_IS_OK(status) )
5467 return status;
5468
5469 /*check if access can be granted as requested by client. */
5470 map_max_allowed_access(p->server_info->ptok, &des_access);
5471
5472 make_samr_object_sd(p->mem_ctx, &psd, &sd_size, &grp_generic_mapping, NULL, 0);
5473 se_map_generic(&des_access,&grp_generic_mapping);
5474
5475 se_priv_copy( &se_rights, &se_add_users );
5476
5477 status = access_check_samr_object(psd, p->server_info->ptok,
5478 &se_rights, GENERIC_RIGHTS_GROUP_WRITE, des_access,
5479 &acc_granted, "_samr_OpenGroup");
5480
5481 if ( !NT_STATUS_IS_OK(status) )
5482 return status;
5483
5484 /* this should not be hard-coded like this */
5485
5486 if (!sid_equal(&sid, get_global_sam_sid()))
5487 return NT_STATUS_ACCESS_DENIED;
5488
5489 sid_copy(&info_sid, get_global_sam_sid());
5490 sid_append_rid(&info_sid, r->in.rid);
5491 sid_to_fstring(sid_string, &info_sid);
5492
5493 if ((info = get_samr_info_by_sid(p->mem_ctx, &info_sid)) == NULL)
5494 return NT_STATUS_NO_MEMORY;
5495
5496 info->acc_granted = acc_granted;
5497
5498 DEBUG(10, ("_samr_OpenGroup:Opening SID: %s\n", sid_string));
5499
5500 /* check if that group really exists */
5501 become_root();
5502 ret = get_domain_group_from_sid(info->sid, &map);
5503 unbecome_root();
5504 if (!ret)
5505 return NT_STATUS_NO_SUCH_GROUP;
5506
5507 /* get a (unique) handle. open a policy on it. */
5508 if (!create_policy_hnd(p, r->out.group_handle, info))
5509 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
5510
5511 return NT_STATUS_OK;
5512 }
5513
5514 /*********************************************************************
5515 _samr_RemoveMemberFromForeignDomain
5516 *********************************************************************/
5517
5518 NTSTATUS _samr_RemoveMemberFromForeignDomain(pipes_struct *p,
5519 struct samr_RemoveMemberFromForeignDomain *r)
5520 {
5521 DOM_SID delete_sid, domain_sid;
5522 uint32 acc_granted;
5523 NTSTATUS result;
5524 DISP_INFO *disp_info = NULL;
5525
5526 sid_copy( &delete_sid, r->in.sid );
5527
5528 DEBUG(5,("_samr_RemoveMemberFromForeignDomain: removing SID [%s]\n",
5529 sid_string_dbg(&delete_sid)));
5530
5531 /* Find the policy handle. Open a policy on it. */
5532
5533 if (!get_lsa_policy_samr_sid(p, r->in.domain_handle, &domain_sid,
5534 &acc_granted, &disp_info))
5535 return NT_STATUS_INVALID_HANDLE;
5536
5537 result = access_check_samr_function(acc_granted,
5538 STD_RIGHT_DELETE_ACCESS,
5539 "_samr_RemoveMemberFromForeignDomain");
5540
5541 if (!NT_STATUS_IS_OK(result))
5542 return result;
5543
5544 DEBUG(8, ("_samr_RemoveMemberFromForeignDomain: sid is %s\n",
5545 sid_string_dbg(&domain_sid)));
5546
5547 /* we can only delete a user from a group since we don't have
5548 nested groups anyways. So in the latter case, just say OK */
5549
5550 /* TODO: The above comment nowadays is bogus. Since we have nested
5551 * groups now, and aliases members are never reported out of the unix
5552 * group membership, the "just say OK" makes this call a no-op. For
5553 * us. This needs fixing however. */
5554
5555 /* I've only ever seen this in the wild when deleting a user from
5556 * usrmgr.exe. domain_sid is the builtin domain, and the sid to delete
5557 * is the user about to be deleted. I very much suspect this is the
5558 * only application of this call. To verify this, let people report
5559 * other cases. */
5560
5561 if (!sid_check_is_builtin(&domain_sid)) {
5562 DEBUG(1,("_samr_RemoveMemberFromForeignDomain: domain_sid = %s, "
5563 "global_sam_sid() = %s\n",
5564 sid_string_dbg(&domain_sid),
5565 sid_string_dbg(get_global_sam_sid())));
5566 DEBUGADD(1,("please report to samba-technical@samba.org!\n"));
5567 return NT_STATUS_OK;
5568 }
5569
5570 force_flush_samr_cache(disp_info);
5571
5572 result = NT_STATUS_OK;
5573
5574 return result;
5575 }
5576
5577 /*******************************************************************
5578 _samr_QueryDomainInfo2
5579 ********************************************************************/
5580
5581 NTSTATUS _samr_QueryDomainInfo2(pipes_struct *p,
5582 struct samr_QueryDomainInfo2 *r)
5583 {
5584 struct samr_QueryDomainInfo q;
5585
5586 q.in.domain_handle = r->in.domain_handle;
5587 q.in.level = r->in.level;
5588
5589 q.out.info = r->out.info;
5590
5591 return _samr_QueryDomainInfo(p, &q);
5592 }
5593
5594 /*******************************************************************
5595 _samr_SetDomainInfo
5596 ********************************************************************/
5597
5598 NTSTATUS _samr_SetDomainInfo(pipes_struct *p,
5599 struct samr_SetDomainInfo *r)
5600 {
5601 struct samr_info *info = NULL;
5602 time_t u_expire, u_min_age;
5603 time_t u_logout;
5604 time_t u_lock_duration, u_reset_time;
5605 NTSTATUS result;
5606
5607 DEBUG(5,("_samr_SetDomainInfo: %d\n", __LINE__));
5608
5609 /* find the policy handle. open a policy on it. */
5610 if (!find_policy_by_hnd(p, r->in.domain_handle, (void **)(void *)&info))
5611 return NT_STATUS_INVALID_HANDLE;
5612
5613 /* We do have different access bits for info
5614 * levels here, but we're really just looking for
5615 * GENERIC_RIGHTS_DOMAIN_WRITE access. Unfortunately
5616 * this maps to different specific bits. So
5617 * assume if we have SAMR_DOMAIN_ACCESS_SET_INFO_1
5618 * set we are ok. */
5619
5620 result = access_check_samr_function(info->acc_granted,
5621 SAMR_DOMAIN_ACCESS_SET_INFO_1,
5622 "_samr_SetDomainInfo");
5623
5624 if (!NT_STATUS_IS_OK(result))
5625 return result;
5626
5627 DEBUG(5,("_samr_SetDomainInfo: level: %d\n", r->in.level));
5628
5629 switch (r->in.level) {
5630 case 0x01:
5631 u_expire=nt_time_to_unix_abs((NTTIME *)&r->in.info->info1.max_password_age);
5632 u_min_age=nt_time_to_unix_abs((NTTIME *)&r->in.info->info1.min_password_age);
5633 pdb_set_account_policy(AP_MIN_PASSWORD_LEN, (uint32)r->in.info->info1.min_password_length);
5634 pdb_set_account_policy(AP_PASSWORD_HISTORY, (uint32)r->in.info->info1.password_history_length);
5635 pdb_set_account_policy(AP_USER_MUST_LOGON_TO_CHG_PASS, (uint32)r->in.info->info1.password_properties);
5636 pdb_set_account_policy(AP_MAX_PASSWORD_AGE, (int)u_expire);
5637 pdb_set_account_policy(AP_MIN_PASSWORD_AGE, (int)u_min_age);
5638 break;
5639 case 0x02:
5640 break;
5641 case 0x03:
5642 u_logout=nt_time_to_unix_abs((NTTIME *)&r->in.info->info3.force_logoff_time);
5643 pdb_set_account_policy(AP_TIME_TO_LOGOUT, (int)u_logout);
5644 break;
5645 case 0x05:
5646 break;
5647 case 0x06:
5648 break;
5649 case 0x07:
5650 break;
5651 case 0x0c:
5652 u_lock_duration=nt_time_to_unix_abs((NTTIME *)&r->in.info->info12.lockout_duration);
5653 if (u_lock_duration != -1)
5654 u_lock_duration /= 60;
5655
5656 u_reset_time=nt_time_to_unix_abs((NTTIME *)&r->in.info->info12.lockout_window)/60;
5657
5658 pdb_set_account_policy(AP_LOCK_ACCOUNT_DURATION, (int)u_lock_duration);
5659 pdb_set_account_policy(AP_RESET_COUNT_TIME, (int)u_reset_time);
5660 pdb_set_account_policy(AP_BAD_ATTEMPT_LOCKOUT, (uint32)r->in.info->info12.lockout_threshold);
5661 break;
5662 default:
5663 return NT_STATUS_INVALID_INFO_CLASS;
5664 }
5665
5666 DEBUG(5,("_samr_SetDomainInfo: %d\n", __LINE__));
5667
5668 return NT_STATUS_OK;
5669 }
5670
5671 /****************************************************************
5672 _samr_GetDisplayEnumerationIndex
5673 ****************************************************************/
5674
5675 NTSTATUS _samr_GetDisplayEnumerationIndex(pipes_struct *p,
5676 struct samr_GetDisplayEnumerationIndex *r)
5677 {
5678 struct samr_info *info = NULL;
5679 uint32_t max_entries = (uint32_t) -1;
5680 uint32_t enum_context = 0;
5681 int i;
5682 uint32_t num_account = 0;
5683 struct samr_displayentry *entries = NULL;
5684 NTSTATUS status;
5685
5686 DEBUG(5,("_samr_GetDisplayEnumerationIndex: %d\n", __LINE__));
5687
5688 /* find the policy handle. open a policy on it. */
5689 if (!find_policy_by_hnd(p, r->in.domain_handle, (void **)(void *)&info)) {
5690 return NT_STATUS_INVALID_HANDLE;
5691 }
5692
5693 status = access_check_samr_function(info->acc_granted,
5694 SAMR_DOMAIN_ACCESS_ENUM_ACCOUNTS,
5695 "_samr_GetDisplayEnumerationIndex");
5696 if (!NT_STATUS_IS_OK(status)) {
5697 return status;
5698 }
5699
5700 if ((r->in.level < 1) || (r->in.level > 3)) {
5701 DEBUG(0,("_samr_GetDisplayEnumerationIndex: "
5702 "Unknown info level (%u)\n",
5703 r->in.level));
5704 return NT_STATUS_INVALID_INFO_CLASS;
5705 }
5706
5707 become_root();
5708
5709 /* The following done as ROOT. Don't return without unbecome_root(). */
5710
5711 switch (r->in.level) {
5712 case 1:
5713 if (info->disp_info->users == NULL) {
5714 info->disp_info->users = pdb_search_users(
5715 info->disp_info, ACB_NORMAL);
5716 if (info->disp_info->users == NULL) {
5717 unbecome_root();
5718 return NT_STATUS_ACCESS_DENIED;
5719 }
5720 DEBUG(10,("_samr_GetDisplayEnumerationIndex: "
5721 "starting user enumeration at index %u\n",
5722 (unsigned int)enum_context));
5723 } else {
5724 DEBUG(10,("_samr_GetDisplayEnumerationIndex: "
5725 "using cached user enumeration at index %u\n",
5726 (unsigned int)enum_context));
5727 }
5728 num_account = pdb_search_entries(info->disp_info->users,
5729 enum_context, max_entries,
5730 &entries);
5731 break;
5732 case 2:
5733 if (info->disp_info->machines == NULL) {
5734 info->disp_info->machines = pdb_search_users(
5735 info->disp_info, ACB_WSTRUST|ACB_SVRTRUST);
5736 if (info->disp_info->machines == NULL) {
5737 unbecome_root();
5738 return NT_STATUS_ACCESS_DENIED;
5739 }
5740 DEBUG(10,("_samr_GetDisplayEnumerationIndex: "
5741 "starting machine enumeration at index %u\n",
5742 (unsigned int)enum_context));
5743 } else {
5744 DEBUG(10,("_samr_GetDisplayEnumerationIndex: "
5745 "using cached machine enumeration at index %u\n",
5746 (unsigned int)enum_context));
5747 }
5748 num_account = pdb_search_entries(info->disp_info->machines,
5749 enum_context, max_entries,
5750 &entries);
5751 break;
5752 case 3:
5753 if (info->disp_info->groups == NULL) {
5754 info->disp_info->groups = pdb_search_groups(
5755 info->disp_info);
5756 if (info->disp_info->groups == NULL) {
5757 unbecome_root();
5758 return NT_STATUS_ACCESS_DENIED;
5759 }
5760 DEBUG(10,("_samr_GetDisplayEnumerationIndex: "
5761 "starting group enumeration at index %u\n",
5762 (unsigned int)enum_context));
5763 } else {
5764 DEBUG(10,("_samr_GetDisplayEnumerationIndex: "
5765 "using cached group enumeration at index %u\n",
5766 (unsigned int)enum_context));
5767 }
5768 num_account = pdb_search_entries(info->disp_info->groups,
5769 enum_context, max_entries,
5770 &entries);
5771 break;
5772 default:
5773 unbecome_root();
5774 smb_panic("info class changed");
5775 break;
5776 }
5777
5778 unbecome_root();
5779
5780 /* Ensure we cache this enumeration. */
5781 set_disp_info_cache_timeout(info->disp_info, DISP_INFO_CACHE_TIMEOUT);
5782
5783 DEBUG(10,("_samr_GetDisplayEnumerationIndex: looking for :%s\n",
5784 r->in.name->string));
5785
5786 for (i=0; i<num_account; i++) {
5787 if (strequal(entries[i].account_name, r->in.name->string)) {
5788 DEBUG(10,("_samr_GetDisplayEnumerationIndex: "
5789 "found %s at idx %d\n",
5790 r->in.name->string, i));
5791 *r->out.idx = i;
5792 return NT_STATUS_OK;
5793 }
5794 }
5795
5796 /* assuming account_name lives at the very end */
5797 *r->out.idx = num_account;
5798
5799 return NT_STATUS_NO_MORE_ENTRIES;
5800 }
5801
5802 /****************************************************************
5803 _samr_GetDisplayEnumerationIndex2
5804 ****************************************************************/
5805
5806 NTSTATUS _samr_GetDisplayEnumerationIndex2(pipes_struct *p,
5807 struct samr_GetDisplayEnumerationIndex2 *r)
5808 {
5809 struct samr_GetDisplayEnumerationIndex q;
5810
5811 q.in.domain_handle = r->in.domain_handle;
5812 q.in.level = r->in.level;
5813 q.in.name = r->in.name;
5814
5815 q.out.idx = r->out.idx;
5816
5817 return _samr_GetDisplayEnumerationIndex(p, &q);
5818 }
5819
5820 /****************************************************************
5821 ****************************************************************/
5822
5823 NTSTATUS _samr_Shutdown(pipes_struct *p,
5824 struct samr_Shutdown *r)
5825 {
5826 p->rng_fault_state = true;
5827 return NT_STATUS_NOT_IMPLEMENTED;
5828 }
5829
5830 /****************************************************************
5831 ****************************************************************/
5832
5833 NTSTATUS _samr_SetMemberAttributesOfGroup(pipes_struct *p,
5834 struct samr_SetMemberAttributesOfGroup *r)
5835 {
5836 p->rng_fault_state = true;
5837 return NT_STATUS_NOT_IMPLEMENTED;
5838 }
5839
5840 /****************************************************************
5841 ****************************************************************/
5842
5843 NTSTATUS _samr_ChangePasswordUser(pipes_struct *p,
5844 struct samr_ChangePasswordUser *r)
5845 {
5846 p->rng_fault_state = true;
5847 return NT_STATUS_NOT_IMPLEMENTED;
5848 }
5849
5850 /****************************************************************
5851 ****************************************************************/
5852
5853 NTSTATUS _samr_TestPrivateFunctionsDomain(pipes_struct *p,
5854 struct samr_TestPrivateFunctionsDomain *r)
5855 {
5856 p->rng_fault_state = true;
5857 return NT_STATUS_NOT_IMPLEMENTED;
5858 }
5859
5860 /****************************************************************
5861 ****************************************************************/
5862
5863 NTSTATUS _samr_TestPrivateFunctionsUser(pipes_struct *p,
5864 struct samr_TestPrivateFunctionsUser *r)
5865 {
5866 p->rng_fault_state = true;
5867 return NT_STATUS_NOT_IMPLEMENTED;
5868 }
5869
5870 /****************************************************************
5871 ****************************************************************/
5872
5873 NTSTATUS _samr_AddMultipleMembersToAlias(pipes_struct *p,
5874 struct samr_AddMultipleMembersToAlias *r)
5875 {
5876 p->rng_fault_state = true;
5877 return NT_STATUS_NOT_IMPLEMENTED;
5878 }
5879
5880 /****************************************************************
5881 ****************************************************************/
5882
5883 NTSTATUS _samr_RemoveMultipleMembersFromAlias(pipes_struct *p,
5884 struct samr_RemoveMultipleMembersFromAlias *r)
5885 {
5886 p->rng_fault_state = true;
5887 return NT_STATUS_NOT_IMPLEMENTED;
5888 }
5889
5890 /****************************************************************
5891 ****************************************************************/
5892
5893 NTSTATUS _samr_OemChangePasswordUser2(pipes_struct *p,
5894 struct samr_OemChangePasswordUser2 *r)
5895 {
5896 p->rng_fault_state = true;
5897 return NT_STATUS_NOT_IMPLEMENTED;
5898 }
5899
5900 /****************************************************************
5901 ****************************************************************/
5902
5903 NTSTATUS _samr_SetBootKeyInformation(pipes_struct *p,
5904 struct samr_SetBootKeyInformation *r)
5905 {
5906 p->rng_fault_state = true;
5907 return NT_STATUS_NOT_IMPLEMENTED;
5908 }
5909
5910 /****************************************************************
5911 ****************************************************************/
5912
5913 NTSTATUS _samr_GetBootKeyInformation(pipes_struct *p,
5914 struct samr_GetBootKeyInformation *r)
5915 {
5916 p->rng_fault_state = true;
5917 return NT_STATUS_NOT_IMPLEMENTED;
5918 }
5919
5920 /****************************************************************
5921 ****************************************************************/
5922
5923 NTSTATUS _samr_RidToSid(pipes_struct *p,
5924 struct samr_RidToSid *r)
5925 {
5926 p->rng_fault_state = true;
5927 return NT_STATUS_NOT_IMPLEMENTED;
5928 }
5929
5930 /****************************************************************
5931 ****************************************************************/
5932
5933 NTSTATUS _samr_SetDsrmPassword(pipes_struct *p,
5934 struct samr_SetDsrmPassword *r)
5935 {
5936 p->rng_fault_state = true;
5937 return NT_STATUS_NOT_IMPLEMENTED;
5938 }
5939
5940 /****************************************************************
5941 ****************************************************************/
5942
5943 NTSTATUS _samr_ValidatePassword(pipes_struct *p,
5944 struct samr_ValidatePassword *r)
5945 {
5946 p->rng_fault_state = true;
5947 return NT_STATUS_NOT_IMPLEMENTED;
5948 }
WIP