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only supporting the Net::LDAP module now
[Samba.git] / source / rpc_server / srv_lsa_nt.c
blobfc51d7ef2fcaac29081ee6ae83d5e35a0d1a19ce
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) Jeremy Allison 2001,
8 * Copyright (C) Rafal Szczesniak 2002,
9 * Copyright (C) Jim McDonough 2002.
10 *
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
15 *
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
20 *
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 */
25
26 /* This is the implementation of the lsa server code. */
27
28 #include "includes.h"
29
30 #undef DBGC_CLASS
31 #define DBGC_CLASS DBGC_RPC_SRV
32
33 extern PRIVS privs[];
34
35 struct lsa_info {
36 DOM_SID sid;
37 uint32 access;
38 };
39
40 struct generic_mapping lsa_generic_mapping = {
41 POLICY_READ,
42 POLICY_WRITE,
43 POLICY_EXECUTE,
44 POLICY_ALL_ACCESS
45 };
46
47 /*******************************************************************
48 Function to free the per handle data.
49 ********************************************************************/
50
51 static void free_lsa_info(void *ptr)
52 {
53 struct lsa_info *lsa = (struct lsa_info *)ptr;
54
55 SAFE_FREE(lsa);
56 }
57
58 /***************************************************************************
59 Init dom_query
60 ***************************************************************************/
61
62 static void init_dom_query(DOM_QUERY *d_q, const char *dom_name, DOM_SID *dom_sid)
63 {
64 int domlen = (dom_name != NULL) ? strlen(dom_name) : 0;
65
66 /*
67 * I'm not sure why this really odd combination of length
68 * values works, but it does appear to. I need to look at
69 * this *much* more closely - but at the moment leave alone
70 * until it's understood. This allows a W2k client to join
71 * a domain with both odd and even length names... JRA.
72 */
73
74 d_q->uni_dom_str_len = domlen ? ((domlen + 1) * 2) : 0;
75 d_q->uni_dom_max_len = domlen * 2;
76 d_q->buffer_dom_name = domlen != 0 ? 1 : 0; /* domain buffer pointer */
77 d_q->buffer_dom_sid = dom_sid != NULL ? 1 : 0; /* domain sid pointer */
78
79 /* this string is supposed to be character short */
80 init_unistr2(&d_q->uni_domain_name, dom_name, domlen);
81 d_q->uni_domain_name.uni_max_len++;
82
83 if (dom_sid != NULL)
84 init_dom_sid2(&d_q->dom_sid, dom_sid);
85 }
86
87 /***************************************************************************
88 init_dom_ref - adds a domain if it's not already in, returns the index.
89 ***************************************************************************/
90
91 static int init_dom_ref(DOM_R_REF *ref, char *dom_name, DOM_SID *dom_sid)
92 {
93 int num = 0;
94 int len;
95
96 if (dom_name != NULL) {
97 for (num = 0; num < ref->num_ref_doms_1; num++) {
98 fstring domname;
99 rpcstr_pull(domname, &ref->ref_dom[num].uni_dom_name, sizeof(domname), -1, 0);
100 if (strequal(domname, dom_name))
101 return num;
102 }
103 } else {
104 num = ref->num_ref_doms_1;
105 }
106
107 if (num >= MAX_REF_DOMAINS) {
108 /* index not found, already at maximum domain limit */
109 return -1;
110 }
111
112 ref->num_ref_doms_1 = num+1;
113 ref->ptr_ref_dom = 1;
114 ref->max_entries = MAX_REF_DOMAINS;
115 ref->num_ref_doms_2 = num+1;
116
117 len = (dom_name != NULL) ? strlen(dom_name) : 0;
118 if(dom_name != NULL && len == 0)
119 len = 1;
120
121 init_uni_hdr(&ref->hdr_ref_dom[num].hdr_dom_name, len);
122 ref->hdr_ref_dom[num].ptr_dom_sid = dom_sid != NULL ? 1 : 0;
123
124 init_unistr2(&ref->ref_dom[num].uni_dom_name, dom_name, len);
125 init_dom_sid2(&ref->ref_dom[num].ref_dom, dom_sid );
126
127 return num;
128 }
129
130 /***************************************************************************
131 init_lsa_rid2s
132 ***************************************************************************/
133
134 static void init_lsa_rid2s(DOM_R_REF *ref, DOM_RID2 *rid2,
135 int num_entries, UNISTR2 *name,
136 uint32 *mapped_count, BOOL endian)
137 {
138 int i;
139 int total = 0;
140 *mapped_count = 0;
141
142 SMB_ASSERT(num_entries <= MAX_LOOKUP_SIDS);
143
144 become_root(); /* lookup_name can require root privs */
145
146 for (i = 0; i < num_entries; i++) {
147 BOOL status = False;
148 DOM_SID sid;
149 uint32 rid = 0xffffffff;
150 int dom_idx = -1;
151 pstring full_name;
152 fstring dom_name, user;
153 enum SID_NAME_USE name_type = SID_NAME_UNKNOWN;
154
155 /* Split name into domain and user component */
156
157 unistr2_to_ascii(full_name, &name[i], sizeof(full_name));
158 split_domain_name(full_name, dom_name, user);
159
160 /* Lookup name */
161
162 DEBUG(5, ("init_lsa_rid2s: looking up name %s\n", full_name));
163
164 status = lookup_name(dom_name, user, &sid, &name_type);
165
166 DEBUG(5, ("init_lsa_rid2s: %s\n", status ? "found" :
167 "not found"));
168
169 if (status && name_type != SID_NAME_UNKNOWN) {
170 sid_split_rid(&sid, &rid);
171 dom_idx = init_dom_ref(ref, dom_name, &sid);
172 (*mapped_count)++;
173 } else {
174 dom_idx = -1;
175 rid = 0xffffffff;
176 name_type = SID_NAME_UNKNOWN;
177 }
178
179 init_dom_rid2(&rid2[total], rid, name_type, dom_idx);
180 total++;
181 }
182
183 unbecome_root();
184 }
185
186 /***************************************************************************
187 init_reply_lookup_names
188 ***************************************************************************/
189
190 static void init_reply_lookup_names(LSA_R_LOOKUP_NAMES *r_l,
191 DOM_R_REF *ref, uint32 num_entries,
192 DOM_RID2 *rid2, uint32 mapped_count)
193 {
194 r_l->ptr_dom_ref = 1;
195 r_l->dom_ref = ref;
196
197 r_l->num_entries = num_entries;
198 r_l->ptr_entries = 1;
199 r_l->num_entries2 = num_entries;
200 r_l->dom_rid = rid2;
201
202 r_l->mapped_count = mapped_count;
203
204 if (mapped_count == 0)
205 r_l->status = NT_STATUS_NONE_MAPPED;
206 else
207 r_l->status = NT_STATUS_OK;
208 }
209
210 /***************************************************************************
211 Init lsa_trans_names.
212 ***************************************************************************/
213
214 static void init_lsa_trans_names(TALLOC_CTX *ctx, DOM_R_REF *ref, LSA_TRANS_NAME_ENUM *trn,
215 int num_entries, DOM_SID2 *sid,
216 uint32 *mapped_count)
217 {
218 int i;
219 int total = 0;
220 *mapped_count = 0;
221
222 /* Allocate memory for list of names */
223
224 if (num_entries > 0) {
225 if (!(trn->name = (LSA_TRANS_NAME *)talloc(ctx, sizeof(LSA_TRANS_NAME) *
226 num_entries))) {
227 DEBUG(0, ("init_lsa_trans_names(): out of memory\n"));
228 return;
229 }
230
231 if (!(trn->uni_name = (UNISTR2 *)talloc(ctx, sizeof(UNISTR2) *
232 num_entries))) {
233 DEBUG(0, ("init_lsa_trans_names(): out of memory\n"));
234 return;
235 }
236 }
237
238 become_root(); /* Need root to get to passdb to for local sids */
239
240 for (i = 0; i < num_entries; i++) {
241 BOOL status = False;
242 DOM_SID find_sid = sid[i].sid;
243 uint32 rid = 0xffffffff;
244 int dom_idx = -1;
245 fstring name, dom_name;
246 enum SID_NAME_USE sid_name_use = (enum SID_NAME_USE)0;
247
248 sid_to_string(name, &find_sid);
249 DEBUG(5, ("init_lsa_trans_names: looking up sid %s\n", name));
250
251 /* Lookup sid from winbindd */
252
253 memset(dom_name, '\0', sizeof(dom_name));
254 memset(name, '\0', sizeof(name));
255
256 status = lookup_sid(&find_sid, dom_name, name, &sid_name_use);
257
258 DEBUG(5, ("init_lsa_trans_names: %s\n", status ? "found" :
259 "not found"));
260
261 if (!status) {
262 sid_name_use = SID_NAME_UNKNOWN;
263 } else {
264 (*mapped_count)++;
265 }
266
267 /* Store domain sid in ref array */
268
269 if (find_sid.num_auths == 5) {
270 sid_split_rid(&find_sid, &rid);
271 }
272
273 dom_idx = init_dom_ref(ref, dom_name, &find_sid);
274
275 DEBUG(10,("init_lsa_trans_names: added user '%s\\%s' to "
276 "referenced list.\n", dom_name, name ));
277
278 init_lsa_trans_name(&trn->name[total], &trn->uni_name[total],
279 sid_name_use, name, dom_idx);
280 total++;
281 }
282
283 unbecome_root();
284
285 trn->num_entries = total;
286 trn->ptr_trans_names = 1;
287 trn->num_entries2 = total;
288 }
289
290 /***************************************************************************
291 Init_reply_lookup_sids.
292 ***************************************************************************/
293
294 static void init_reply_lookup_sids(LSA_R_LOOKUP_SIDS *r_l,
295 DOM_R_REF *ref, LSA_TRANS_NAME_ENUM *names,
296 uint32 mapped_count)
297 {
298 r_l->ptr_dom_ref = 1;
299 r_l->dom_ref = ref;
300 r_l->names = names;
301 r_l->mapped_count = mapped_count;
302
303 if (mapped_count == 0)
304 r_l->status = NT_STATUS_NONE_MAPPED;
305 else
306 r_l->status = NT_STATUS_OK;
307 }
308
309 static NTSTATUS lsa_get_generic_sd(TALLOC_CTX *mem_ctx, SEC_DESC **sd, size_t *sd_size)
310 {
311 extern DOM_SID global_sid_World;
312 extern DOM_SID global_sid_Builtin;
313 DOM_SID local_adm_sid;
314 DOM_SID adm_sid;
315
316 SEC_ACE ace[3];
317 SEC_ACCESS mask;
318
319 SEC_ACL *psa = NULL;
320
321 init_sec_access(&mask, POLICY_EXECUTE);
322 init_sec_ace(&ace[0], &global_sid_World, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0);
323
324 sid_copy(&adm_sid, get_global_sam_sid());
325 sid_append_rid(&adm_sid, DOMAIN_GROUP_RID_ADMINS);
326 init_sec_access(&mask, POLICY_ALL_ACCESS);
327 init_sec_ace(&ace[1], &adm_sid, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0);
328
329 sid_copy(&local_adm_sid, &global_sid_Builtin);
330 sid_append_rid(&local_adm_sid, BUILTIN_ALIAS_RID_ADMINS);
331 init_sec_access(&mask, POLICY_ALL_ACCESS);
332 init_sec_ace(&ace[2], &local_adm_sid, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0);
333
334 if((psa = make_sec_acl(mem_ctx, NT4_ACL_REVISION, 3, ace)) == NULL)
335 return NT_STATUS_NO_MEMORY;
336
337 if((*sd = make_sec_desc(mem_ctx, SEC_DESC_REVISION, &adm_sid, NULL, NULL, psa, sd_size)) == NULL)
338 return NT_STATUS_NO_MEMORY;
339
340 return NT_STATUS_OK;
341 }
342
343 /***************************************************************************
344 Init_dns_dom_info.
345 ***************************************************************************/
346
347 static void init_dns_dom_info(LSA_DNS_DOM_INFO *r_l, const char *nb_name,
348 const char *dns_name, const char *forest_name,
349 GUID *dom_guid, DOM_SID *dom_sid)
350 {
351 if (nb_name && *nb_name) {
352 init_uni_hdr(&r_l->hdr_nb_dom_name, strlen(nb_name));
353 init_unistr2(&r_l->uni_nb_dom_name, nb_name,
354 strlen(nb_name));
355 r_l->hdr_nb_dom_name.uni_max_len += 2;
356 r_l->uni_nb_dom_name.uni_max_len += 1;
357 }
358
359 if (dns_name && *dns_name) {
360 init_uni_hdr(&r_l->hdr_dns_dom_name, strlen(dns_name));
361 init_unistr2(&r_l->uni_dns_dom_name, dns_name,
362 strlen(dns_name));
363 r_l->hdr_dns_dom_name.uni_max_len += 2;
364 r_l->uni_dns_dom_name.uni_max_len += 1;
365 }
366
367 if (forest_name && *forest_name) {
368 init_uni_hdr(&r_l->hdr_forest_name, strlen(forest_name));
369 init_unistr2(&r_l->uni_forest_name, forest_name,
370 strlen(forest_name));
371 r_l->hdr_forest_name.uni_max_len += 2;
372 r_l->uni_forest_name.uni_max_len += 1;
373 }
374
375 /* how do we init the guid ? probably should write an init fn */
376 if (dom_guid) {
377 memcpy(&r_l->dom_guid, dom_guid, sizeof(GUID));
378 }
379
380 if (dom_sid) {
381 r_l->ptr_dom_sid = 1;
382 init_dom_sid2(&r_l->dom_sid, dom_sid);
383 }
384 }
385
386 /***************************************************************************
387 _lsa_open_policy2.
388 ***************************************************************************/
389
390 NTSTATUS _lsa_open_policy2(pipes_struct *p, LSA_Q_OPEN_POL2 *q_u, LSA_R_OPEN_POL2 *r_u)
391 {
392 struct lsa_info *info;
393 SEC_DESC *psd = NULL;
394 size_t sd_size;
395 uint32 des_access=q_u->des_access;
396 uint32 acc_granted;
397 NTSTATUS status;
398
399
400 /* map the generic bits to the lsa policy ones */
401 se_map_generic(&des_access, &lsa_generic_mapping);
402
403 /* get the generic lsa policy SD until we store it */
404 lsa_get_generic_sd(p->mem_ctx, &psd, &sd_size);
405
406 if(!se_access_check(psd, p->pipe_user.nt_user_token, des_access, &acc_granted, &status))
407 return status;
408
409 /* associate the domain SID with the (unique) handle. */
410 if ((info = (struct lsa_info *)malloc(sizeof(struct lsa_info))) == NULL)
411 return NT_STATUS_NO_MEMORY;
412
413 ZERO_STRUCTP(info);
414 sid_copy(&info->sid,get_global_sam_sid());
415 info->access = acc_granted;
416
417 /* set up the LSA QUERY INFO response */
418 if (!create_policy_hnd(p, &r_u->pol, free_lsa_info, (void *)info))
419 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
420
421 return NT_STATUS_OK;
422 }
423
424 /***************************************************************************
425 _lsa_open_policy
426 ***************************************************************************/
427
428 NTSTATUS _lsa_open_policy(pipes_struct *p, LSA_Q_OPEN_POL *q_u, LSA_R_OPEN_POL *r_u)
429 {
430 struct lsa_info *info;
431 SEC_DESC *psd = NULL;
432 size_t sd_size;
433 uint32 des_access=q_u->des_access;
434 uint32 acc_granted;
435 NTSTATUS status;
436
437
438 /* map the generic bits to the lsa policy ones */
439 se_map_generic(&des_access, &lsa_generic_mapping);
440
441 /* get the generic lsa policy SD until we store it */
442 lsa_get_generic_sd(p->mem_ctx, &psd, &sd_size);
443
444 if(!se_access_check(psd, p->pipe_user.nt_user_token, des_access, &acc_granted, &status))
445 return status;
446
447 /* associate the domain SID with the (unique) handle. */
448 if ((info = (struct lsa_info *)malloc(sizeof(struct lsa_info))) == NULL)
449 return NT_STATUS_NO_MEMORY;
450
451 ZERO_STRUCTP(info);
452 sid_copy(&info->sid,get_global_sam_sid());
453 info->access = acc_granted;
454
455 /* set up the LSA QUERY INFO response */
456 if (!create_policy_hnd(p, &r_u->pol, free_lsa_info, (void *)info))
457 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
458
459 return NT_STATUS_OK;
460 }
461
462 /***************************************************************************
463 _lsa_enum_trust_dom - this needs fixing to do more than return NULL ! JRA.
464 ufff, done :) mimir
465 ***************************************************************************/
466
467 NTSTATUS _lsa_enum_trust_dom(pipes_struct *p, LSA_Q_ENUM_TRUST_DOM *q_u, LSA_R_ENUM_TRUST_DOM *r_u)
468 {
469 struct lsa_info *info;
470 uint32 enum_context = q_u->enum_context;
471
472 /*
473 * preferred length is set to 5 as a "our" preferred length
474 * nt sets this parameter to 2
475 * update (20.08.2002): it's not preferred length, but preferred size!
476 * it needs further investigation how to optimally choose this value
477 */
478 uint32 max_num_domains = q_u->preferred_len < 5 ? q_u->preferred_len : 10;
479 TRUSTDOM **trust_doms;
480 uint32 num_domains;
481 NTSTATUS nt_status;
482
483 if (!find_policy_by_hnd(p, &q_u->pol, (void **)&info))
484 return NT_STATUS_INVALID_HANDLE;
485
486 /* check if the user have enough rights */
487 if (!(info->access & POLICY_VIEW_LOCAL_INFORMATION))
488 return NT_STATUS_ACCESS_DENIED;
489
490 nt_status = secrets_get_trusted_domains(p->mem_ctx, &enum_context, max_num_domains, &num_domains, &trust_doms);
491
492 if (!NT_STATUS_IS_OK(nt_status) &&
493 !NT_STATUS_EQUAL(nt_status, STATUS_MORE_ENTRIES) &&
494 !NT_STATUS_EQUAL(nt_status, NT_STATUS_NO_MORE_ENTRIES)) {
495 return nt_status;
496 } else {
497 r_u->status = nt_status;
498 }
499
500 /* set up the lsa_enum_trust_dom response */
501 init_r_enum_trust_dom(p->mem_ctx, r_u, enum_context, max_num_domains, num_domains, trust_doms);
502
503 return r_u->status;
504 }
505
506 /***************************************************************************
507 _lsa_query_info. See the POLICY_INFOMATION_CLASS docs at msdn.
508 ***************************************************************************/
509
510 NTSTATUS _lsa_query_info(pipes_struct *p, LSA_Q_QUERY_INFO *q_u, LSA_R_QUERY_INFO *r_u)
511 {
512 struct lsa_info *handle;
513 LSA_INFO_UNION *info = &r_u->dom;
514 DOM_SID domain_sid;
515 const char *name;
516 DOM_SID *sid = NULL;
517
518 r_u->status = NT_STATUS_OK;
519
520 if (!find_policy_by_hnd(p, &q_u->pol, (void **)&handle))
521 return NT_STATUS_INVALID_HANDLE;
522
523 switch (q_u->info_class) {
524 case 0x02:
525 {
526 unsigned int i;
527 /* check if the user have enough rights */
528 if (!(handle->access & POLICY_VIEW_AUDIT_INFORMATION))
529 return NT_STATUS_ACCESS_DENIED;
530
531 /* fake info: We audit everything. ;) */
532 info->id2.auditing_enabled = 1;
533 info->id2.count1 = 7;
534 info->id2.count2 = 7;
535 if ((info->id2.auditsettings = (uint32 *)talloc(p->mem_ctx,7*sizeof(uint32))) == NULL)
536 return NT_STATUS_NO_MEMORY;
537 for (i = 0; i < 7; i++)
538 info->id2.auditsettings[i] = 3;
539 break;
540 }
541 case 0x03:
542 /* check if the user have enough rights */
543 if (!(handle->access & POLICY_VIEW_LOCAL_INFORMATION))
544 return NT_STATUS_ACCESS_DENIED;
545
546 /* Request PolicyPrimaryDomainInformation. */
547 switch (lp_server_role()) {
548 case ROLE_DOMAIN_PDC:
549 case ROLE_DOMAIN_BDC:
550 name = lp_workgroup();
551 sid = get_global_sam_sid();
552 break;
553 case ROLE_DOMAIN_MEMBER:
554 name = lp_workgroup();
555 /* We need to return the Domain SID here. */
556 if (secrets_fetch_domain_sid(lp_workgroup(), &domain_sid))
557 sid = &domain_sid;
558 else
559 return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
560 break;
561 case ROLE_STANDALONE:
562 name = lp_workgroup();
563 sid = NULL;
564 break;
565 default:
566 return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
567 }
568 init_dom_query(&r_u->dom.id3, name, sid);
569 break;
570 case 0x05:
571 /* check if the user have enough rights */
572 if (!(handle->access & POLICY_VIEW_LOCAL_INFORMATION))
573 return NT_STATUS_ACCESS_DENIED;
574
575 /* Request PolicyAccountDomainInformation. */
576 switch (lp_server_role()) {
577 case ROLE_DOMAIN_PDC:
578 case ROLE_DOMAIN_BDC:
579 name = lp_workgroup();
580 sid = get_global_sam_sid();
581 break;
582 case ROLE_DOMAIN_MEMBER:
583 name = global_myname();
584 sid = get_global_sam_sid();
585 break;
586 case ROLE_STANDALONE:
587 name = global_myname();
588 sid = get_global_sam_sid();
589 break;
590 default:
591 return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
592 }
593 init_dom_query(&r_u->dom.id5, name, sid);
594 break;
595 case 0x06:
596 /* check if the user have enough rights */
597 if (!(handle->access & POLICY_VIEW_LOCAL_INFORMATION))
598 return NT_STATUS_ACCESS_DENIED;
599
600 switch (lp_server_role()) {
601 case ROLE_DOMAIN_BDC:
602 /*
603 * only a BDC is a backup controller
604 * of the domain, it controls.
605 */
606 info->id6.server_role = 2;
607 break;
608 default:
609 /*
610 * any other role is a primary
611 * of the domain, it controls.
612 */
613 info->id6.server_role = 3;
614 break;
615 }
616 break;
617 default:
618 DEBUG(0,("_lsa_query_info: unknown info level in Lsa Query: %d\n", q_u->info_class));
619 r_u->status = NT_STATUS_INVALID_INFO_CLASS;
620 break;
621 }
622
623 if (NT_STATUS_IS_OK(r_u->status)) {
624 r_u->undoc_buffer = 0x22000000; /* bizarre */
625 r_u->info_class = q_u->info_class;
626 }
627
628 return r_u->status;
629 }
630
631 /***************************************************************************
632 _lsa_lookup_sids
633 ***************************************************************************/
634
635 NTSTATUS _lsa_lookup_sids(pipes_struct *p, LSA_Q_LOOKUP_SIDS *q_u, LSA_R_LOOKUP_SIDS *r_u)
636 {
637 struct lsa_info *handle;
638 DOM_SID2 *sid = q_u->sids.sid;
639 int num_entries = q_u->sids.num_entries;
640 DOM_R_REF *ref = NULL;
641 LSA_TRANS_NAME_ENUM *names = NULL;
642 uint32 mapped_count = 0;
643
644 ref = (DOM_R_REF *)talloc_zero(p->mem_ctx, sizeof(DOM_R_REF));
645 names = (LSA_TRANS_NAME_ENUM *)talloc_zero(p->mem_ctx, sizeof(LSA_TRANS_NAME_ENUM));
646
647 if (!find_policy_by_hnd(p, &q_u->pol, (void **)&handle)) {
648 r_u->status = NT_STATUS_INVALID_HANDLE;
649 goto done;
650 }
651
652 /* check if the user have enough rights */
653 if (!(handle->access & POLICY_LOOKUP_NAMES)) {
654 r_u->status = NT_STATUS_ACCESS_DENIED;
655 goto done;
656 }
657 if (!ref || !names)
658 return NT_STATUS_NO_MEMORY;
659
660 done:
661
662 /* set up the LSA Lookup SIDs response */
663 init_lsa_trans_names(p->mem_ctx, ref, names, num_entries, sid, &mapped_count);
664 init_reply_lookup_sids(r_u, ref, names, mapped_count);
665
666 return r_u->status;
667 }
668
669 /***************************************************************************
670 lsa_reply_lookup_names
671 ***************************************************************************/
672
673 NTSTATUS _lsa_lookup_names(pipes_struct *p,LSA_Q_LOOKUP_NAMES *q_u, LSA_R_LOOKUP_NAMES *r_u)
674 {
675 struct lsa_info *handle;
676 UNISTR2 *names = q_u->uni_name;
677 int num_entries = q_u->num_entries;
678 DOM_R_REF *ref;
679 DOM_RID2 *rids;
680 uint32 mapped_count = 0;
681
682 if (num_entries > MAX_LOOKUP_SIDS) {
683 num_entries = MAX_LOOKUP_SIDS;
684 DEBUG(5,("_lsa_lookup_names: truncating name lookup list to %d\n", num_entries));
685 }
686
687 ref = (DOM_R_REF *)talloc_zero(p->mem_ctx, sizeof(DOM_R_REF));
688 rids = (DOM_RID2 *)talloc_zero(p->mem_ctx, sizeof(DOM_RID2)*num_entries);
689
690 if (!find_policy_by_hnd(p, &q_u->pol, (void **)&handle)) {
691 r_u->status = NT_STATUS_INVALID_HANDLE;
692 goto done;
693 }
694
695 /* check if the user have enough rights */
696 if (!(handle->access & POLICY_LOOKUP_NAMES)) {
697 r_u->status = NT_STATUS_ACCESS_DENIED;
698 goto done;
699 }
700
701 if (!ref || !rids)
702 return NT_STATUS_NO_MEMORY;
703
704 done:
705
706 /* set up the LSA Lookup RIDs response */
707 init_lsa_rid2s(ref, rids, num_entries, names, &mapped_count, p->endian);
708 init_reply_lookup_names(r_u, ref, num_entries, rids, mapped_count);
709
710 return r_u->status;
711 }
712
713 /***************************************************************************
714 _lsa_close. Also weird - needs to check if lsa handle is correct. JRA.
715 ***************************************************************************/
716
717 NTSTATUS _lsa_close(pipes_struct *p, LSA_Q_CLOSE *q_u, LSA_R_CLOSE *r_u)
718 {
719 if (!find_policy_by_hnd(p, &q_u->pol, NULL))
720 return NT_STATUS_INVALID_HANDLE;
721
722 close_policy_hnd(p, &q_u->pol);
723 return NT_STATUS_OK;
724 }
725
726 /***************************************************************************
727 "No more secrets Marty...." :-).
728 ***************************************************************************/
729
730 NTSTATUS _lsa_open_secret(pipes_struct *p, LSA_Q_OPEN_SECRET *q_u, LSA_R_OPEN_SECRET *r_u)
731 {
732 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
733 }
734
735 /***************************************************************************
736 _lsa_enum_privs.
737 ***************************************************************************/
738
739 NTSTATUS _lsa_enum_privs(pipes_struct *p, LSA_Q_ENUM_PRIVS *q_u, LSA_R_ENUM_PRIVS *r_u)
740 {
741 struct lsa_info *handle;
742 uint32 i;
743
744 uint32 enum_context=q_u->enum_context;
745 LSA_PRIV_ENTRY *entry;
746 LSA_PRIV_ENTRY *entries=NULL;
747
748 if (enum_context >= PRIV_ALL_INDEX)
749 return NT_STATUS_NO_MORE_ENTRIES;
750
751 entries = (LSA_PRIV_ENTRY *)talloc_zero(p->mem_ctx, sizeof(LSA_PRIV_ENTRY) * (PRIV_ALL_INDEX));
752 if (entries==NULL)
753 return NT_STATUS_NO_MEMORY;
754
755 if (!find_policy_by_hnd(p, &q_u->pol, (void **)&handle))
756 return NT_STATUS_INVALID_HANDLE;
757
758 /* check if the user have enough rights */
759
760 /*
761 * I don't know if it's the right one. not documented.
762 */
763 if (!(handle->access & POLICY_VIEW_LOCAL_INFORMATION))
764 return NT_STATUS_ACCESS_DENIED;
765
766 entry = entries;
767
768 DEBUG(10,("_lsa_enum_privs: enum_context:%d total entries:%d\n", enum_context, PRIV_ALL_INDEX));
769
770 for (i = 0; i < PRIV_ALL_INDEX; i++, entry++) {
771 if( i<enum_context) {
772 init_uni_hdr(&entry->hdr_name, 0);
773 init_unistr2(&entry->name, NULL, 0 );
774 entry->luid_low = 0;
775 entry->luid_high = 0;
776 } else {
777 init_uni_hdr(&entry->hdr_name, strlen(privs[i+1].priv));
778 init_unistr2(&entry->name, privs[i+1].priv, strlen(privs[i+1].priv) );
779 entry->luid_low = privs[i+1].se_priv;
780 entry->luid_high = 0;
781 }
782 }
783
784 enum_context = PRIV_ALL_INDEX;
785 init_lsa_r_enum_privs(r_u, enum_context, PRIV_ALL_INDEX, entries);
786
787 return NT_STATUS_OK;
788 }
789
790 /***************************************************************************
791 _lsa_priv_get_dispname.
792 ***************************************************************************/
793
794 NTSTATUS _lsa_priv_get_dispname(pipes_struct *p, LSA_Q_PRIV_GET_DISPNAME *q_u, LSA_R_PRIV_GET_DISPNAME *r_u)
795 {
796 struct lsa_info *handle;
797 fstring name_asc;
798 int i=1;
799
800 if (!find_policy_by_hnd(p, &q_u->pol, (void **)&handle))
801 return NT_STATUS_INVALID_HANDLE;
802
803 /* check if the user have enough rights */
804
805 /*
806 * I don't know if it's the right one. not documented.
807 */
808 if (!(handle->access & POLICY_VIEW_LOCAL_INFORMATION))
809 return NT_STATUS_ACCESS_DENIED;
810
811 unistr2_to_ascii(name_asc, &q_u->name, sizeof(name_asc));
812
813 DEBUG(10,("_lsa_priv_get_dispname: %s", name_asc));
814
815 while (privs[i].se_priv!=SE_PRIV_ALL && strcmp(name_asc, privs[i].priv))
816 i++;
817
818 if (privs[i].se_priv!=SE_PRIV_ALL) {
819 DEBUG(10,(": %s\n", privs[i].description));
820 init_uni_hdr(&r_u->hdr_desc, strlen(privs[i].description));
821 init_unistr2(&r_u->desc, privs[i].description, strlen(privs[i].description) );
822
823 r_u->ptr_info=0xdeadbeef;
824 r_u->lang_id=q_u->lang_id;
825 return NT_STATUS_OK;
826 } else {
827 DEBUG(10,("_lsa_priv_get_dispname: doesn't exist\n"));
828 r_u->ptr_info=0;
829 return NT_STATUS_NO_SUCH_PRIVILEGE;
830 }
831 }
832
833 /***************************************************************************
834 _lsa_enum_accounts.
835 ***************************************************************************/
836
837 NTSTATUS _lsa_enum_accounts(pipes_struct *p, LSA_Q_ENUM_ACCOUNTS *q_u, LSA_R_ENUM_ACCOUNTS *r_u)
838 {
839 struct lsa_info *handle;
840 GROUP_MAP *map=NULL;
841 int num_entries=0;
842 LSA_SID_ENUM *sids=&r_u->sids;
843 int i=0,j=0;
844
845 if (!find_policy_by_hnd(p, &q_u->pol, (void **)&handle))
846 return NT_STATUS_INVALID_HANDLE;
847
848 /* check if the user have enough rights */
849
850 /*
851 * I don't know if it's the right one. not documented.
852 */
853 if (!(handle->access & POLICY_VIEW_LOCAL_INFORMATION))
854 return NT_STATUS_ACCESS_DENIED;
855
856 /* get the list of mapped groups (domain, local, builtin) */
857 if(!pdb_enum_group_mapping(SID_NAME_UNKNOWN, &map, &num_entries, ENUM_ONLY_MAPPED, MAPPING_WITHOUT_PRIV))
858 return NT_STATUS_OK;
859
860 if (q_u->enum_context >= num_entries)
861 return NT_STATUS_NO_MORE_ENTRIES;
862
863 sids->ptr_sid = (uint32 *)talloc_zero(p->mem_ctx, (num_entries-q_u->enum_context)*sizeof(uint32));
864 sids->sid = (DOM_SID2 *)talloc_zero(p->mem_ctx, (num_entries-q_u->enum_context)*sizeof(DOM_SID2));
865
866 if (sids->ptr_sid==NULL || sids->sid==NULL) {
867 SAFE_FREE(map);
868 return NT_STATUS_NO_MEMORY;
869 }
870
871 for (i=q_u->enum_context, j=0; i<num_entries; i++) {
872 init_dom_sid2( &(*sids).sid[j], &map[i].sid);
873 (*sids).ptr_sid[j]=1;
874 j++;
875 }
876
877 SAFE_FREE(map);
878
879 init_lsa_r_enum_accounts(r_u, j);
880
881 return NT_STATUS_OK;
882 }
883
884
885 NTSTATUS _lsa_unk_get_connuser(pipes_struct *p, LSA_Q_UNK_GET_CONNUSER *q_u, LSA_R_UNK_GET_CONNUSER *r_u)
886 {
887 fstring username, domname;
888 int ulen, dlen;
889 user_struct *vuser = get_valid_user_struct(p->vuid);
890
891 if (vuser == NULL)
892 return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
893
894 fstrcpy(username, vuser->user.smb_name);
895 fstrcpy(domname, vuser->user.domain);
896
897 ulen = strlen(username) + 1;
898 dlen = strlen(domname) + 1;
899
900 init_uni_hdr(&r_u->hdr_user_name, ulen);
901 r_u->ptr_user_name = 1;
902 init_unistr2(&r_u->uni2_user_name, username, ulen);
903
904 r_u->unk1 = 1;
905
906 init_uni_hdr(&r_u->hdr_dom_name, dlen);
907 r_u->ptr_dom_name = 1;
908 init_unistr2(&r_u->uni2_dom_name, domname, dlen);
909
910 r_u->status = NT_STATUS_OK;
911
912 return r_u->status;
913 }
914
915 /***************************************************************************
916
917 ***************************************************************************/
918
919 NTSTATUS _lsa_open_account(pipes_struct *p, LSA_Q_OPENACCOUNT *q_u, LSA_R_OPENACCOUNT *r_u)
920 {
921 struct lsa_info *handle;
922 struct lsa_info *info;
923
924 r_u->status = NT_STATUS_OK;
925
926 /* find the connection policy handle. */
927 if (!find_policy_by_hnd(p, &q_u->pol, (void **)&handle))
928 return NT_STATUS_INVALID_HANDLE;
929
930 /* check if the user have enough rights */
931
932 /*
933 * I don't know if it's the right one. not documented.
934 * but guessed with rpcclient.
935 */
936 if (!(handle->access & POLICY_GET_PRIVATE_INFORMATION))
937 return NT_STATUS_ACCESS_DENIED;
938
939 /* associate the user/group SID with the (unique) handle. */
940 if ((info = (struct lsa_info *)malloc(sizeof(struct lsa_info))) == NULL)
941 return NT_STATUS_NO_MEMORY;
942
943 ZERO_STRUCTP(info);
944 info->sid = q_u->sid.sid;
945 info->access = q_u->access;
946
947 /* get a (unique) handle. open a policy on it. */
948 if (!create_policy_hnd(p, &r_u->pol, free_lsa_info, (void *)info))
949 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
950
951 return r_u->status;
952 }
953
954 /***************************************************************************
955 For a given SID, enumerate all the privilege this account has.
956 ***************************************************************************/
957
958 NTSTATUS _lsa_enum_privsaccount(pipes_struct *p, LSA_Q_ENUMPRIVSACCOUNT *q_u, LSA_R_ENUMPRIVSACCOUNT *r_u)
959 {
960 struct lsa_info *info=NULL;
961 GROUP_MAP map;
962 int i=0;
963
964 LUID_ATTR *set=NULL;
965
966 r_u->status = NT_STATUS_OK;
967
968 /* find the connection policy handle. */
969 if (!find_policy_by_hnd(p, &q_u->pol, (void **)&info))
970 return NT_STATUS_INVALID_HANDLE;
971
972 if (!pdb_getgrsid(&map, info->sid, MAPPING_WITH_PRIV))
973 return NT_STATUS_NO_SUCH_GROUP;
974
975 DEBUG(10,("_lsa_enum_privsaccount: %d privileges\n", map.priv_set.count));
976 if (map.priv_set.count!=0) {
977
978 set=(LUID_ATTR *)talloc(p->mem_ctx, map.priv_set.count*sizeof(LUID_ATTR));
979 if (set == NULL) {
980 free_privilege(&map.priv_set);
981 return NT_STATUS_NO_MEMORY;
982 }
983
984 for (i=0; i<map.priv_set.count; i++) {
985 set[i].luid.low=map.priv_set.set[i].luid.low;
986 set[i].luid.high=map.priv_set.set[i].luid.high;
987 set[i].attr=map.priv_set.set[i].attr;
988 DEBUG(10,("_lsa_enum_privsaccount: priv %d: %d:%d:%d\n", i,
989 set[i].luid.high, set[i].luid.low, set[i].attr));
990 }
991 }
992
993 init_lsa_r_enum_privsaccount(r_u, set, map.priv_set.count, 0);
994 free_privilege(&map.priv_set);
995
996 return r_u->status;
997 }
998
999 /***************************************************************************
1000
1001 ***************************************************************************/
1002
1003 NTSTATUS _lsa_getsystemaccount(pipes_struct *p, LSA_Q_GETSYSTEMACCOUNT *q_u, LSA_R_GETSYSTEMACCOUNT *r_u)
1004 {
1005 struct lsa_info *info=NULL;
1006 GROUP_MAP map;
1007 r_u->status = NT_STATUS_OK;
1008
1009 /* find the connection policy handle. */
1010 if (!find_policy_by_hnd(p, &q_u->pol, (void **)&info))
1011 return NT_STATUS_INVALID_HANDLE;
1012
1013 if (!pdb_getgrsid(&map, info->sid, MAPPING_WITHOUT_PRIV))
1014 return NT_STATUS_NO_SUCH_GROUP;
1015
1016 /*
1017 0x01 -> Log on locally
1018 0x02 -> Access this computer from network
1019 0x04 -> Log on as a batch job
1020 0x10 -> Log on as a service
1021
1022 they can be ORed together
1023 */
1024
1025 r_u->access=map.systemaccount;
1026
1027 return r_u->status;
1028 }
1029
1030 /***************************************************************************
1031 update the systemaccount information
1032 ***************************************************************************/
1033
1034 NTSTATUS _lsa_setsystemaccount(pipes_struct *p, LSA_Q_SETSYSTEMACCOUNT *q_u, LSA_R_SETSYSTEMACCOUNT *r_u)
1035 {
1036 struct lsa_info *info=NULL;
1037 GROUP_MAP map;
1038 r_u->status = NT_STATUS_OK;
1039
1040 /* find the connection policy handle. */
1041 if (!find_policy_by_hnd(p, &q_u->pol, (void **)&info))
1042 return NT_STATUS_INVALID_HANDLE;
1043
1044 if (!pdb_getgrsid(&map, info->sid, MAPPING_WITH_PRIV))
1045 return NT_STATUS_NO_SUCH_GROUP;
1046
1047 map.systemaccount=q_u->access;
1048
1049 if(!pdb_update_group_mapping_entry(&map))
1050 return NT_STATUS_NO_SUCH_GROUP;
1051
1052 free_privilege(&map.priv_set);
1053
1054 return r_u->status;
1055 }
1056
1057 /***************************************************************************
1058 For a given SID, add some privileges.
1059 ***************************************************************************/
1060
1061 NTSTATUS _lsa_addprivs(pipes_struct *p, LSA_Q_ADDPRIVS *q_u, LSA_R_ADDPRIVS *r_u)
1062 {
1063 struct lsa_info *info=NULL;
1064 GROUP_MAP map;
1065 int i=0;
1066
1067 LUID_ATTR *luid_attr=NULL;
1068 PRIVILEGE_SET *set=NULL;
1069
1070 r_u->status = NT_STATUS_OK;
1071
1072 /* find the connection policy handle. */
1073 if (!find_policy_by_hnd(p, &q_u->pol, (void **)&info))
1074 return NT_STATUS_INVALID_HANDLE;
1075
1076 if (!pdb_getgrsid(&map, info->sid, MAPPING_WITH_PRIV))
1077 return NT_STATUS_NO_SUCH_GROUP;
1078
1079 set=&q_u->set;
1080
1081 for (i=0; i<set->count; i++) {
1082 luid_attr=&set->set[i];
1083
1084 /* check if the privilege is already there */
1085 if (check_priv_in_privilege(&map.priv_set, *luid_attr)){
1086 free_privilege(&map.priv_set);
1087 return NT_STATUS_NO_SUCH_PRIVILEGE;
1088 }
1089
1090 add_privilege(&map.priv_set, *luid_attr);
1091 }
1092
1093 if(!pdb_update_group_mapping_entry(&map))
1094 return NT_STATUS_NO_SUCH_GROUP;
1095
1096 free_privilege(&map.priv_set);
1097
1098 return r_u->status;
1099 }
1100
1101 /***************************************************************************
1102 For a given SID, remove some privileges.
1103 ***************************************************************************/
1104
1105 NTSTATUS _lsa_removeprivs(pipes_struct *p, LSA_Q_REMOVEPRIVS *q_u, LSA_R_REMOVEPRIVS *r_u)
1106 {
1107 struct lsa_info *info=NULL;
1108 GROUP_MAP map;
1109 int i=0;
1110
1111 LUID_ATTR *luid_attr=NULL;
1112 PRIVILEGE_SET *set=NULL;
1113
1114 r_u->status = NT_STATUS_OK;
1115
1116 /* find the connection policy handle. */
1117 if (!find_policy_by_hnd(p, &q_u->pol, (void **)&info))
1118 return NT_STATUS_INVALID_HANDLE;
1119
1120 if (!pdb_getgrsid(&map, info->sid, MAPPING_WITH_PRIV))
1121 return NT_STATUS_NO_SUCH_GROUP;
1122
1123 if (q_u->allrights!=0) {
1124 /* log it and return, until I see one myself don't do anything */
1125 DEBUG(5,("_lsa_removeprivs: trying to remove all privileges ?\n"));
1126 return NT_STATUS_OK;
1127 }
1128
1129 if (q_u->ptr==0) {
1130 /* log it and return, until I see one myself don't do anything */
1131 DEBUG(5,("_lsa_removeprivs: no privileges to remove ?\n"));
1132 return NT_STATUS_OK;
1133 }
1134
1135 set=&q_u->set;
1136
1137 for (i=0; i<set->count; i++) {
1138 luid_attr=&set->set[i];
1139
1140 /* if we don't have the privilege, we're trying to remove, give up */
1141 /* what else can we do ??? JFM. */
1142 if (!check_priv_in_privilege(&map.priv_set, *luid_attr)){
1143 free_privilege(&map.priv_set);
1144 return NT_STATUS_NO_SUCH_PRIVILEGE;
1145 }
1146
1147 remove_privilege(&map.priv_set, *luid_attr);
1148 }
1149
1150 if(!pdb_update_group_mapping_entry(&map))
1151 return NT_STATUS_NO_SUCH_GROUP;
1152
1153 free_privilege(&map.priv_set);
1154
1155 return r_u->status;
1156 }
1157
1158 /***************************************************************************
1159 For a given SID, remove some privileges.
1160 ***************************************************************************/
1161
1162 NTSTATUS _lsa_query_secobj(pipes_struct *p, LSA_Q_QUERY_SEC_OBJ *q_u, LSA_R_QUERY_SEC_OBJ *r_u)
1163 {
1164 struct lsa_info *handle=NULL;
1165 SEC_DESC *psd = NULL;
1166 size_t sd_size;
1167 NTSTATUS status;
1168
1169 r_u->status = NT_STATUS_OK;
1170
1171 /* find the connection policy handle. */
1172 if (!find_policy_by_hnd(p, &q_u->pol, (void **)&handle))
1173 return NT_STATUS_INVALID_HANDLE;
1174
1175 /* check if the user have enough rights */
1176 if (!(handle->access & POLICY_VIEW_LOCAL_INFORMATION))
1177 return NT_STATUS_ACCESS_DENIED;
1178
1179
1180 switch (q_u->sec_info) {
1181 case 1:
1182 /* SD contains only the owner */
1183
1184 status=lsa_get_generic_sd(p->mem_ctx, &psd, &sd_size);
1185 if(!NT_STATUS_IS_OK(status))
1186 return NT_STATUS_NO_MEMORY;
1187
1188
1189 if((r_u->buf = make_sec_desc_buf(p->mem_ctx, sd_size, psd)) == NULL)
1190 return NT_STATUS_NO_MEMORY;
1191 break;
1192 case 4:
1193 /* SD contains only the ACL */
1194
1195 status=lsa_get_generic_sd(p->mem_ctx, &psd, &sd_size);
1196 if(!NT_STATUS_IS_OK(status))
1197 return NT_STATUS_NO_MEMORY;
1198
1199 if((r_u->buf = make_sec_desc_buf(p->mem_ctx, sd_size, psd)) == NULL)
1200 return NT_STATUS_NO_MEMORY;
1201 break;
1202 default:
1203 return NT_STATUS_INVALID_LEVEL;
1204 }
1205
1206 r_u->ptr=1;
1207
1208 return r_u->status;
1209 }
1210
1211
1212 NTSTATUS _lsa_query_info2(pipes_struct *p, LSA_Q_QUERY_INFO2 *q_u, LSA_R_QUERY_INFO2 *r_u)
1213 {
1214 struct lsa_info *handle;
1215 const char *nb_name;
1216 char *dns_name = NULL;
1217 char *forest_name = NULL;
1218 DOM_SID *sid = NULL;
1219 GUID guid;
1220
1221 ZERO_STRUCT(guid);
1222 r_u->status = NT_STATUS_OK;
1223
1224 if (!find_policy_by_hnd(p, &q_u->pol, (void **)&handle))
1225 return NT_STATUS_INVALID_HANDLE;
1226
1227 switch (q_u->info_class) {
1228 case 0x0c:
1229 /* check if the user have enough rights */
1230 if (!(handle->access & POLICY_VIEW_LOCAL_INFORMATION))
1231 return NT_STATUS_ACCESS_DENIED;
1232
1233 /* Request PolicyPrimaryDomainInformation. */
1234 switch (lp_server_role()) {
1235 case ROLE_DOMAIN_PDC:
1236 case ROLE_DOMAIN_BDC:
1237 nb_name = lp_workgroup();
1238 /* ugly temp hack for these next two */
1239 dns_name = lp_realm();
1240 forest_name = lp_realm();
1241 sid = get_global_sam_sid();
1242 secrets_fetch_domain_guid(lp_workgroup(), &guid);
1243 break;
1244 default:
1245 return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
1246 }
1247 init_dns_dom_info(&r_u->info.dns_dom_info, nb_name, dns_name,
1248 forest_name,&guid,sid);
1249 break;
1250 default:
1251 DEBUG(0,("_lsa_query_info2: unknown info level in Lsa Query: %d\n", q_u->info_class));
1252 r_u->status = NT_STATUS_INVALID_INFO_CLASS;
1253 break;
1254 }
1255
1256 if (NT_STATUS_IS_OK(r_u->status)) {
1257 r_u->ptr = 0x1;
1258 r_u->info_class = q_u->info_class;
1259 }
1260
1261 return r_u->status;
1262 }
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