Initial import
[samba] / source / rpc_server / srv_lsa_nt.c
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 <jmcd@us.ibm.com>   2002,
10  *  Copyright (C) Simo Sorce                        2003.
11  *  Copyright (C) Gerald (Jerry) Carter             2005.
12  *
13  *  This program is free software; you can redistribute it and/or modify
14  *  it under the terms of the GNU General Public License as published by
15  *  the Free Software Foundation; either version 2 of the License, or
16  *  (at your option) any later version.
17  *  
18  *  This program is distributed in the hope that it will be useful,
19  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
20  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
21  *  GNU General Public License for more details.
22  *  
23  *  You should have received a copy of the GNU General Public License
24  *  along with this program; if not, write to the Free Software
25  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
26  */
27
28 /* This is the implementation of the lsa server code. */
29
30 #include "includes.h"
31
32 #undef DBGC_CLASS
33 #define DBGC_CLASS DBGC_RPC_SRV
34
35 extern PRIVS privs[];
36
37 struct lsa_info {
38         DOM_SID sid;
39         uint32 access;
40 };
41
42 struct generic_mapping lsa_generic_mapping = {
43         POLICY_READ,
44         POLICY_WRITE,
45         POLICY_EXECUTE,
46         POLICY_ALL_ACCESS
47 };
48
49 /*******************************************************************
50  Function to free the per handle data.
51  ********************************************************************/
52
53 static void free_lsa_info(void *ptr)
54 {
55         struct lsa_info *lsa = (struct lsa_info *)ptr;
56
57         SAFE_FREE(lsa);
58 }
59
60 /***************************************************************************
61 Init dom_query
62  ***************************************************************************/
63
64 static void init_dom_query(DOM_QUERY *d_q, const char *dom_name, DOM_SID *dom_sid)
65 {
66         d_q->buffer_dom_name = (dom_name != NULL) ? 1 : 0; /* domain buffer pointer */
67         d_q->buffer_dom_sid = (dom_sid != NULL) ? 1 : 0;  /* domain sid pointer */
68
69         /* this string is supposed to be non-null terminated. */
70         /* But the maxlen in this UNISTR2 must include the terminating null. */
71         init_unistr2(&d_q->uni_domain_name, dom_name, UNI_BROKEN_NON_NULL);
72
73         /*
74          * I'm not sure why this really odd combination of length
75          * values works, but it does appear to. I need to look at
76          * this *much* more closely - but at the moment leave alone
77          * until it's understood. This allows a W2k client to join
78          * a domain with both odd and even length names... JRA.
79          */
80
81         /*
82          * IMPORTANT NOTE !!!!
83          * The two fields below probably are reversed in meaning, ie.
84          * the first field is probably the str_len, the second the max
85          * len. Both are measured in bytes anyway.
86          */
87
88         d_q->uni_dom_str_len = d_q->uni_domain_name.uni_max_len * 2;
89         d_q->uni_dom_max_len = d_q->uni_domain_name.uni_str_len * 2;
90
91         if (dom_sid != NULL)
92                 init_dom_sid2(&d_q->dom_sid, dom_sid);
93 }
94
95 /***************************************************************************
96  init_dom_ref - adds a domain if it's not already in, returns the index.
97 ***************************************************************************/
98
99 static int init_dom_ref(DOM_R_REF *ref, char *dom_name, DOM_SID *dom_sid)
100 {
101         int num = 0;
102
103         if (dom_name != NULL) {
104                 for (num = 0; num < ref->num_ref_doms_1; num++) {
105                         fstring domname;
106                         rpcstr_pull(domname, ref->ref_dom[num].uni_dom_name.buffer, sizeof(domname), -1, 0);
107                         if (strequal(domname, dom_name))
108                                 return num;
109                 }
110         } else {
111                 num = ref->num_ref_doms_1;
112         }
113
114         if (num >= MAX_REF_DOMAINS) {
115                 /* index not found, already at maximum domain limit */
116                 return -1;
117         }
118
119         ref->num_ref_doms_1 = num+1;
120         ref->ptr_ref_dom  = 1;
121         ref->max_entries = MAX_REF_DOMAINS;
122         ref->num_ref_doms_2 = num+1;
123
124         ref->hdr_ref_dom[num].ptr_dom_sid = dom_sid != NULL ? 1 : 0;
125
126         init_unistr2(&ref->ref_dom[num].uni_dom_name, dom_name, UNI_FLAGS_NONE);
127         init_uni_hdr(&ref->hdr_ref_dom[num].hdr_dom_name, &ref->ref_dom[num].uni_dom_name);
128
129         init_dom_sid2(&ref->ref_dom[num].ref_dom, dom_sid );
130
131         return num;
132 }
133
134 /***************************************************************************
135  init_lsa_rid2s
136  ***************************************************************************/
137
138 static void init_lsa_rid2s(DOM_R_REF *ref, DOM_RID2 *rid2,
139                                 int num_entries, UNISTR2 *name,
140                                 uint32 *mapped_count, BOOL endian)
141 {
142         int i;
143         int total = 0;
144         *mapped_count = 0;
145
146         SMB_ASSERT(num_entries <= MAX_LOOKUP_SIDS);
147
148         become_root(); /* lookup_name can require root privs */
149
150         for (i = 0; i < num_entries; i++) {
151                 BOOL status = False;
152                 DOM_SID sid;
153                 uint32 rid = 0xffffffff;
154                 int dom_idx = -1;
155                 pstring full_name;
156                 fstring dom_name, user;
157                 enum SID_NAME_USE name_type = SID_NAME_UNKNOWN;
158
159                 /* Split name into domain and user component */
160
161                 unistr2_to_ascii(full_name, &name[i], sizeof(full_name));
162                 split_domain_name(full_name, dom_name, user);
163
164                 /* Lookup name */
165
166                 DEBUG(5, ("init_lsa_rid2s: looking up name %s\n", full_name));
167
168                 status = lookup_name(dom_name, user, &sid, &name_type);
169
170                 if((name_type == SID_NAME_UNKNOWN) && (lp_server_role() == ROLE_DOMAIN_MEMBER)  && (strncmp(dom_name, full_name, strlen(dom_name)) != 0)) {
171                         DEBUG(5, ("init_lsa_rid2s: domain name not provided and local account not found, using member domain\n"));
172                         fstrcpy(dom_name, lp_workgroup());
173                         status = lookup_name(dom_name, user, &sid, &name_type);
174                 }
175
176                 if (name_type == SID_NAME_WKN_GRP) {
177                         /* BUILTIN aliases are still aliases :-) */
178                         name_type = SID_NAME_ALIAS;
179                 }
180
181                 DEBUG(5, ("init_lsa_rid2s: %s\n", status ? "found" : 
182                           "not found"));
183
184                 if (status && name_type != SID_NAME_UNKNOWN) {
185                         sid_split_rid(&sid, &rid);
186                         dom_idx = init_dom_ref(ref, dom_name, &sid);
187                         (*mapped_count)++;
188                 } else {
189                         dom_idx = -1;
190                         rid = 0;
191                         name_type = SID_NAME_UNKNOWN;
192                 }
193
194                 init_dom_rid2(&rid2[total], rid, name_type, dom_idx);
195                 total++;
196         }
197
198         unbecome_root();
199 }
200
201 /***************************************************************************
202  init_reply_lookup_names
203  ***************************************************************************/
204
205 static void init_reply_lookup_names(LSA_R_LOOKUP_NAMES *r_l,
206                 DOM_R_REF *ref, uint32 num_entries,
207                 DOM_RID2 *rid2, uint32 mapped_count)
208 {
209         r_l->ptr_dom_ref  = 1;
210         r_l->dom_ref      = ref;
211
212         r_l->num_entries  = num_entries;
213         r_l->ptr_entries  = 1;
214         r_l->num_entries2 = num_entries;
215         r_l->dom_rid      = rid2;
216
217         r_l->mapped_count = mapped_count;
218 }
219
220 /***************************************************************************
221  Init lsa_trans_names.
222  ***************************************************************************/
223
224 static void init_lsa_trans_names(TALLOC_CTX *ctx, DOM_R_REF *ref, LSA_TRANS_NAME_ENUM *trn,
225                                  int num_entries, DOM_SID2 *sid,
226                                  uint32 *mapped_count)
227 {
228         int i;
229         int total = 0;
230         *mapped_count = 0;
231
232         /* Allocate memory for list of names */
233
234         if (num_entries > 0) {
235                 if (!(trn->name = TALLOC_ARRAY(ctx, LSA_TRANS_NAME, num_entries))) {
236                         DEBUG(0, ("init_lsa_trans_names(): out of memory\n"));
237                         return;
238                 }
239
240                 if (!(trn->uni_name = TALLOC_ARRAY(ctx, UNISTR2, num_entries))) {
241                         DEBUG(0, ("init_lsa_trans_names(): out of memory\n"));
242                         return;
243                 }
244         }
245
246         become_root(); /* Need root to get to passdb to for local sids */
247
248         for (i = 0; i < num_entries; i++) {
249                 BOOL status = False;
250                 DOM_SID find_sid = sid[i].sid;
251                 uint32 rid = 0xffffffff;
252                 int dom_idx = -1;
253                 fstring name, dom_name;
254                 enum SID_NAME_USE sid_name_use = (enum SID_NAME_USE)0;
255
256                 sid_to_string(name, &find_sid);
257                 DEBUG(5, ("init_lsa_trans_names: looking up sid %s\n", name));
258
259                 /* Lookup sid from winbindd */
260
261                 status = lookup_sid(&find_sid, dom_name, name, &sid_name_use);
262
263                 DEBUG(5, ("init_lsa_trans_names: %s\n", status ? "found" : 
264                           "not found"));
265
266                 if (!status) {
267                         sid_name_use = SID_NAME_UNKNOWN;
268                         memset(dom_name, '\0', sizeof(dom_name));
269                         sid_to_string(name, &find_sid);
270                         dom_idx = -1;
271
272                         DEBUG(10,("init_lsa_trans_names: added unknown user '%s' to "
273                                   "referenced list.\n", name ));
274                 } else {
275                         (*mapped_count)++;
276                         /* Store domain sid in ref array */
277                         if (find_sid.num_auths == 5) {
278                                 sid_split_rid(&find_sid, &rid);
279                         }
280                         dom_idx = init_dom_ref(ref, dom_name, &find_sid);
281
282                         DEBUG(10,("init_lsa_trans_names: added %s '%s\\%s' (%d) to referenced list.\n", 
283                                 sid_type_lookup(sid_name_use), dom_name, name, sid_name_use ));
284
285                 }
286
287                 init_lsa_trans_name(&trn->name[total], &trn->uni_name[total],
288                                         sid_name_use, name, dom_idx);
289                 total++;
290         }
291
292         unbecome_root();
293
294         trn->num_entries = total;
295         trn->ptr_trans_names = 1;
296         trn->num_entries2 = total;
297 }
298
299 /***************************************************************************
300  Init_reply_lookup_sids.
301  ***************************************************************************/
302
303 static void init_reply_lookup_sids(LSA_R_LOOKUP_SIDS *r_l,
304                 DOM_R_REF *ref, LSA_TRANS_NAME_ENUM *names,
305                 uint32 mapped_count)
306 {
307         r_l->ptr_dom_ref  = 1;
308         r_l->dom_ref      = ref;
309         r_l->names        = names;
310         r_l->mapped_count = mapped_count;
311 }
312
313 static NTSTATUS lsa_get_generic_sd(TALLOC_CTX *mem_ctx, SEC_DESC **sd, size_t *sd_size)
314 {
315         DOM_SID local_adm_sid;
316         DOM_SID adm_sid;
317
318         SEC_ACE ace[3];
319         SEC_ACCESS mask;
320
321         SEC_ACL *psa = NULL;
322
323         init_sec_access(&mask, POLICY_EXECUTE);
324         init_sec_ace(&ace[0], &global_sid_World, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0);
325
326         sid_copy(&adm_sid, get_global_sam_sid());
327         sid_append_rid(&adm_sid, DOMAIN_GROUP_RID_ADMINS);
328         init_sec_access(&mask, POLICY_ALL_ACCESS);
329         init_sec_ace(&ace[1], &adm_sid, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0);
330
331         sid_copy(&local_adm_sid, &global_sid_Builtin);
332         sid_append_rid(&local_adm_sid, BUILTIN_ALIAS_RID_ADMINS);
333         init_sec_access(&mask, POLICY_ALL_ACCESS);
334         init_sec_ace(&ace[2], &local_adm_sid, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0);
335
336         if((psa = make_sec_acl(mem_ctx, NT4_ACL_REVISION, 3, ace)) == NULL)
337                 return NT_STATUS_NO_MEMORY;
338
339         if((*sd = make_sec_desc(mem_ctx, SEC_DESC_REVISION, SEC_DESC_SELF_RELATIVE, &adm_sid, NULL, NULL, psa, sd_size)) == NULL)
340                 return NT_STATUS_NO_MEMORY;
341
342         return NT_STATUS_OK;
343 }
344
345 #if 0   /* AD DC work in ongoing in Samba 4 */
346
347 /***************************************************************************
348  Init_dns_dom_info.
349 ***************************************************************************/
350
351 static void init_dns_dom_info(LSA_DNS_DOM_INFO *r_l, const char *nb_name,
352                               const char *dns_name, const char *forest_name,
353                               struct uuid *dom_guid, DOM_SID *dom_sid)
354 {
355         if (nb_name && *nb_name) {
356                 init_unistr2(&r_l->uni_nb_dom_name, nb_name, UNI_FLAGS_NONE);
357                 init_uni_hdr(&r_l->hdr_nb_dom_name, &r_l->uni_nb_dom_name);
358                 r_l->hdr_nb_dom_name.uni_max_len += 2;
359                 r_l->uni_nb_dom_name.uni_max_len += 1;
360         }
361         
362         if (dns_name && *dns_name) {
363                 init_unistr2(&r_l->uni_dns_dom_name, dns_name, UNI_FLAGS_NONE);
364                 init_uni_hdr(&r_l->hdr_dns_dom_name, &r_l->uni_dns_dom_name);
365                 r_l->hdr_dns_dom_name.uni_max_len += 2;
366                 r_l->uni_dns_dom_name.uni_max_len += 1;
367         }
368
369         if (forest_name && *forest_name) {
370                 init_unistr2(&r_l->uni_forest_name, forest_name, UNI_FLAGS_NONE);
371                 init_uni_hdr(&r_l->hdr_forest_name, &r_l->uni_forest_name);
372                 r_l->hdr_forest_name.uni_max_len += 2;
373                 r_l->uni_forest_name.uni_max_len += 1;
374         }
375
376         /* how do we init the guid ? probably should write an init fn */
377         if (dom_guid) {
378                 memcpy(&r_l->dom_guid, dom_guid, sizeof(struct uuid));
379         }
380         
381         if (dom_sid) {
382                 r_l->ptr_dom_sid = 1;
383                 init_dom_sid2(&r_l->dom_sid, dom_sid);
384         }
385 }
386 #endif  /* AD DC work in ongoing in Samba 4 */
387
388
389 /***************************************************************************
390  _lsa_open_policy2.
391  ***************************************************************************/
392
393 NTSTATUS _lsa_open_policy2(pipes_struct *p, LSA_Q_OPEN_POL2 *q_u, LSA_R_OPEN_POL2 *r_u)
394 {
395         struct lsa_info *info;
396         SEC_DESC *psd = NULL;
397         size_t sd_size;
398         uint32 des_access=q_u->des_access;
399         uint32 acc_granted;
400         NTSTATUS status;
401
402
403         /* map the generic bits to the lsa policy ones */
404         se_map_generic(&des_access, &lsa_generic_mapping);
405
406         /* get the generic lsa policy SD until we store it */
407         lsa_get_generic_sd(p->mem_ctx, &psd, &sd_size);
408
409         if(!se_access_check(psd, p->pipe_user.nt_user_token, des_access, &acc_granted, &status)) {
410                 if (geteuid() != 0) {
411                         return status;
412                 }
413                 DEBUG(4,("ACCESS should be DENIED (granted: %#010x;  required: %#010x)\n",
414                          acc_granted, des_access));
415                 DEBUGADD(4,("but overwritten by euid == 0\n"));
416         }
417
418         /* This is needed for lsa_open_account and rpcclient .... :-) */
419
420         if (geteuid() == 0)
421                 acc_granted = POLICY_ALL_ACCESS;
422
423         /* associate the domain SID with the (unique) handle. */
424         if ((info = SMB_MALLOC_P(struct lsa_info)) == NULL)
425                 return NT_STATUS_NO_MEMORY;
426
427         ZERO_STRUCTP(info);
428         sid_copy(&info->sid,get_global_sam_sid());
429         info->access = acc_granted;
430
431         /* set up the LSA QUERY INFO response */
432         if (!create_policy_hnd(p, &r_u->pol, free_lsa_info, (void *)info))
433                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
434
435         return NT_STATUS_OK;
436 }
437
438 /***************************************************************************
439  _lsa_open_policy
440  ***************************************************************************/
441
442 NTSTATUS _lsa_open_policy(pipes_struct *p, LSA_Q_OPEN_POL *q_u, LSA_R_OPEN_POL *r_u)
443 {
444         struct lsa_info *info;
445         SEC_DESC *psd = NULL;
446         size_t sd_size;
447         uint32 des_access=q_u->des_access;
448         uint32 acc_granted;
449         NTSTATUS status;
450
451
452         /* map the generic bits to the lsa policy ones */
453         se_map_generic(&des_access, &lsa_generic_mapping);
454
455         /* get the generic lsa policy SD until we store it */
456         lsa_get_generic_sd(p->mem_ctx, &psd, &sd_size);
457
458         if(!se_access_check(psd, p->pipe_user.nt_user_token, des_access, &acc_granted, &status)) {
459                 if (geteuid() != 0) {
460                         return status;
461                 }
462                 DEBUG(4,("ACCESS should be DENIED (granted: %#010x;  required: %#010x)\n",
463                          acc_granted, des_access));
464                 DEBUGADD(4,("but overwritten by euid == 0\n"));
465                 acc_granted = des_access;
466         }
467
468         /* associate the domain SID with the (unique) handle. */
469         if ((info = SMB_MALLOC_P(struct lsa_info)) == NULL)
470                 return NT_STATUS_NO_MEMORY;
471
472         ZERO_STRUCTP(info);
473         sid_copy(&info->sid,get_global_sam_sid());
474         info->access = acc_granted;
475
476         /* set up the LSA QUERY INFO response */
477         if (!create_policy_hnd(p, &r_u->pol, free_lsa_info, (void *)info))
478                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
479
480         return NT_STATUS_OK;
481 }
482
483 /***************************************************************************
484  _lsa_enum_trust_dom - this needs fixing to do more than return NULL ! JRA.
485  ufff, done :)  mimir
486  ***************************************************************************/
487
488 NTSTATUS _lsa_enum_trust_dom(pipes_struct *p, LSA_Q_ENUM_TRUST_DOM *q_u, LSA_R_ENUM_TRUST_DOM *r_u)
489 {
490         struct lsa_info *info;
491         uint32 enum_context = q_u->enum_context;
492
493         /*
494          * preferred length is set to 5 as a "our" preferred length
495          * nt sets this parameter to 2
496          * update (20.08.2002): it's not preferred length, but preferred size!
497          * it needs further investigation how to optimally choose this value
498          */
499         uint32 max_num_domains = q_u->preferred_len < 5 ? q_u->preferred_len : 10;
500         TRUSTDOM **trust_doms;
501         uint32 num_domains;
502         NTSTATUS nt_status;
503
504         if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&info))
505                 return NT_STATUS_INVALID_HANDLE;
506
507         /* check if the user have enough rights */
508         if (!(info->access & POLICY_VIEW_LOCAL_INFORMATION))
509                 return NT_STATUS_ACCESS_DENIED;
510
511         nt_status = secrets_get_trusted_domains(p->mem_ctx, (int *)&enum_context, max_num_domains, (int *)&num_domains, &trust_doms);
512
513         if (!NT_STATUS_IS_OK(nt_status) &&
514             !NT_STATUS_EQUAL(nt_status, STATUS_MORE_ENTRIES) &&
515             !NT_STATUS_EQUAL(nt_status, NT_STATUS_NO_MORE_ENTRIES)) {
516                 return nt_status;
517         } else {
518                 r_u->status = nt_status;
519         }
520
521         /* set up the lsa_enum_trust_dom response */
522
523         init_r_enum_trust_dom(p->mem_ctx, r_u, enum_context, max_num_domains, num_domains, trust_doms);
524
525         return r_u->status;
526 }
527
528 /***************************************************************************
529  _lsa_query_info. See the POLICY_INFOMATION_CLASS docs at msdn.
530  ***************************************************************************/
531
532 NTSTATUS _lsa_query_info(pipes_struct *p, LSA_Q_QUERY_INFO *q_u, LSA_R_QUERY_INFO *r_u)
533 {
534         struct lsa_info *handle;
535         LSA_INFO_UNION *info = &r_u->dom;
536         DOM_SID domain_sid;
537         const char *name;
538         DOM_SID *sid = NULL;
539
540         r_u->status = NT_STATUS_OK;
541
542         if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&handle))
543                 return NT_STATUS_INVALID_HANDLE;
544
545         switch (q_u->info_class) {
546         case 0x02:
547                 {
548                 unsigned int i;
549                 /* check if the user have enough rights */
550                 if (!(handle->access & POLICY_VIEW_AUDIT_INFORMATION))
551                         return NT_STATUS_ACCESS_DENIED;
552
553                 /* fake info: We audit everything. ;) */
554                 info->id2.auditing_enabled = 1;
555                 info->id2.count1 = 7;
556                 info->id2.count2 = 7;
557                 if ((info->id2.auditsettings = TALLOC_ARRAY(p->mem_ctx,uint32, 7)) == NULL)
558                         return NT_STATUS_NO_MEMORY;
559                 for (i = 0; i < 7; i++)
560                         info->id2.auditsettings[i] = 3;
561                 break;
562                 }
563         case 0x03:
564                 /* check if the user have enough rights */
565                 if (!(handle->access & POLICY_VIEW_LOCAL_INFORMATION))
566                         return NT_STATUS_ACCESS_DENIED;
567
568                 /* Request PolicyPrimaryDomainInformation. */
569                 switch (lp_server_role()) {
570                         case ROLE_DOMAIN_PDC:
571                         case ROLE_DOMAIN_BDC:
572                                 name = get_global_sam_name();
573                                 sid = get_global_sam_sid();
574                                 break;
575                         case ROLE_DOMAIN_MEMBER:
576                                 name = lp_workgroup();
577                                 /* We need to return the Domain SID here. */
578                                 if (secrets_fetch_domain_sid(lp_workgroup(), &domain_sid))
579                                         sid = &domain_sid;
580                                 else
581                                         return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
582                                 break;
583                         case ROLE_STANDALONE:
584                                 name = lp_workgroup();
585                                 sid = NULL;
586                                 break;
587                         default:
588                                 return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
589                 }
590                 init_dom_query(&r_u->dom.id3, name, sid);
591                 break;
592         case 0x05:
593                 /* check if the user have enough rights */
594                 if (!(handle->access & POLICY_VIEW_LOCAL_INFORMATION))
595                         return NT_STATUS_ACCESS_DENIED;
596
597                 /* Request PolicyAccountDomainInformation. */
598                 name = get_global_sam_name();
599                 sid = get_global_sam_sid();
600                 init_dom_query(&r_u->dom.id5, name, sid);
601                 break;
602         case 0x06:
603                 /* check if the user have enough rights */
604                 if (!(handle->access & POLICY_VIEW_LOCAL_INFORMATION))
605                         return NT_STATUS_ACCESS_DENIED;
606
607                 switch (lp_server_role()) {
608                         case ROLE_DOMAIN_BDC:
609                                 /*
610                                  * only a BDC is a backup controller
611                                  * of the domain, it controls.
612                                  */
613                                 info->id6.server_role = 2;
614                                 break;
615                         default:
616                                 /*
617                                  * any other role is a primary
618                                  * of the domain, it controls.
619                                  */
620                                 info->id6.server_role = 3;
621                                 break; 
622                 }
623                 break;
624         default:
625                 DEBUG(0,("_lsa_query_info: unknown info level in Lsa Query: %d\n", q_u->info_class));
626                 r_u->status = NT_STATUS_INVALID_INFO_CLASS;
627                 break;
628         }
629
630         if (NT_STATUS_IS_OK(r_u->status)) {
631                 r_u->undoc_buffer = 0x22000000; /* bizarre */
632                 r_u->info_class = q_u->info_class;
633         }
634
635         return r_u->status;
636 }
637
638 /***************************************************************************
639  _lsa_lookup_sids
640  ***************************************************************************/
641
642 NTSTATUS _lsa_lookup_sids(pipes_struct *p, LSA_Q_LOOKUP_SIDS *q_u, LSA_R_LOOKUP_SIDS *r_u)
643 {
644         struct lsa_info *handle;
645         DOM_SID2 *sid = q_u->sids.sid;
646         int num_entries = q_u->sids.num_entries;
647         DOM_R_REF *ref = NULL;
648         LSA_TRANS_NAME_ENUM *names = NULL;
649         uint32 mapped_count = 0;
650
651         if (num_entries >  MAX_LOOKUP_SIDS) {
652                 num_entries = 0;
653                 DEBUG(5,("_lsa_lookup_sids: limit of %d exceeded, truncating SID lookup list to %d\n", MAX_LOOKUP_SIDS, num_entries));
654                 r_u->status = NT_STATUS_NONE_MAPPED;
655         }
656
657         ref = TALLOC_ZERO_P(p->mem_ctx, DOM_R_REF);
658         names = TALLOC_ZERO_P(p->mem_ctx, LSA_TRANS_NAME_ENUM);
659
660         if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&handle)) {
661                 r_u->status = NT_STATUS_INVALID_HANDLE;
662                 goto done;
663         }
664
665         /* check if the user have enough rights */
666         if (!(handle->access & POLICY_LOOKUP_NAMES)) {
667                 r_u->status = NT_STATUS_ACCESS_DENIED;
668                 goto done;
669         }
670         if (!ref || !names)
671                 return NT_STATUS_NO_MEMORY;
672
673 done:
674
675         /* set up the LSA Lookup SIDs response */
676         init_lsa_trans_names(p->mem_ctx, ref, names, num_entries, sid, &mapped_count);
677         if (NT_STATUS_IS_OK(r_u->status)) {
678                 if (mapped_count == 0)
679                         r_u->status = NT_STATUS_NONE_MAPPED;
680                 else if (mapped_count != num_entries)
681                         r_u->status = STATUS_SOME_UNMAPPED;
682         }
683         init_reply_lookup_sids(r_u, ref, names, mapped_count);
684
685         return r_u->status;
686 }
687
688 /***************************************************************************
689 lsa_reply_lookup_names
690  ***************************************************************************/
691
692 NTSTATUS _lsa_lookup_names(pipes_struct *p,LSA_Q_LOOKUP_NAMES *q_u, LSA_R_LOOKUP_NAMES *r_u)
693 {
694         struct lsa_info *handle;
695         UNISTR2 *names = q_u->uni_name;
696         int num_entries = q_u->num_entries;
697         DOM_R_REF *ref;
698         DOM_RID2 *rids;
699         uint32 mapped_count = 0;
700
701         if (num_entries >  MAX_LOOKUP_SIDS) {
702                 num_entries = MAX_LOOKUP_SIDS;
703                 DEBUG(5,("_lsa_lookup_names: truncating name lookup list to %d\n", num_entries));
704         }
705                 
706         ref = TALLOC_ZERO_P(p->mem_ctx, DOM_R_REF);
707         rids = TALLOC_ZERO_ARRAY(p->mem_ctx, DOM_RID2, num_entries);
708
709         if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&handle)) {
710                 r_u->status = NT_STATUS_INVALID_HANDLE;
711                 goto done;
712         }
713
714         /* check if the user have enough rights */
715         if (!(handle->access & POLICY_LOOKUP_NAMES)) {
716                 r_u->status = NT_STATUS_ACCESS_DENIED;
717                 goto done;
718         }
719
720         if (!ref || !rids)
721                 return NT_STATUS_NO_MEMORY;
722
723 done:
724
725         /* set up the LSA Lookup RIDs response */
726         init_lsa_rid2s(ref, rids, num_entries, names, &mapped_count, p->endian);
727         if (NT_STATUS_IS_OK(r_u->status)) {
728                 if (mapped_count == 0)
729                         r_u->status = NT_STATUS_NONE_MAPPED;
730                 else if (mapped_count != num_entries)
731                         r_u->status = STATUS_SOME_UNMAPPED;
732         }
733         init_reply_lookup_names(r_u, ref, num_entries, rids, mapped_count);
734
735         return r_u->status;
736 }
737
738 /***************************************************************************
739  _lsa_close. Also weird - needs to check if lsa handle is correct. JRA.
740  ***************************************************************************/
741
742 NTSTATUS _lsa_close(pipes_struct *p, LSA_Q_CLOSE *q_u, LSA_R_CLOSE *r_u)
743 {
744         if (!find_policy_by_hnd(p, &q_u->pol, NULL))
745                 return NT_STATUS_INVALID_HANDLE;
746
747         close_policy_hnd(p, &q_u->pol);
748         return NT_STATUS_OK;
749 }
750
751 /***************************************************************************
752  ***************************************************************************/
753
754 NTSTATUS _lsa_open_secret(pipes_struct *p, LSA_Q_OPEN_SECRET *q_u, LSA_R_OPEN_SECRET *r_u)
755 {
756         return NT_STATUS_OBJECT_NAME_NOT_FOUND;
757 }
758
759 /***************************************************************************
760  ***************************************************************************/
761
762 NTSTATUS _lsa_open_trusted_domain(pipes_struct *p, LSA_Q_OPEN_TRUSTED_DOMAIN *q_u, LSA_R_OPEN_TRUSTED_DOMAIN *r_u)
763 {
764         return NT_STATUS_OBJECT_NAME_NOT_FOUND;
765 }
766
767 /***************************************************************************
768  ***************************************************************************/
769
770 NTSTATUS _lsa_create_trusted_domain(pipes_struct *p, LSA_Q_CREATE_TRUSTED_DOMAIN *q_u, LSA_R_CREATE_TRUSTED_DOMAIN *r_u)
771 {
772         return NT_STATUS_ACCESS_DENIED;
773 }
774
775 /***************************************************************************
776  ***************************************************************************/
777
778 NTSTATUS _lsa_create_secret(pipes_struct *p, LSA_Q_CREATE_SECRET *q_u, LSA_R_CREATE_SECRET *r_u)
779 {
780         return NT_STATUS_ACCESS_DENIED;
781 }
782
783 /***************************************************************************
784  ***************************************************************************/
785
786 NTSTATUS _lsa_set_secret(pipes_struct *p, LSA_Q_SET_SECRET *q_u, LSA_R_SET_SECRET *r_u)
787 {
788         return NT_STATUS_ACCESS_DENIED;
789 }
790
791 /***************************************************************************
792  ***************************************************************************/
793
794 NTSTATUS _lsa_delete_object(pipes_struct *p, LSA_Q_DELETE_OBJECT *q_u, LSA_R_DELETE_OBJECT *r_u)
795 {
796         return NT_STATUS_ACCESS_DENIED;
797 }
798
799 /***************************************************************************
800 _lsa_enum_privs.
801  ***************************************************************************/
802
803 NTSTATUS _lsa_enum_privs(pipes_struct *p, LSA_Q_ENUM_PRIVS *q_u, LSA_R_ENUM_PRIVS *r_u)
804 {
805         struct lsa_info *handle;
806         uint32 i;
807         uint32 enum_context = q_u->enum_context;
808         int num_privs = count_all_privileges();
809         LSA_PRIV_ENTRY *entries = NULL;
810         LUID_ATTR luid;
811
812         /* remember that the enum_context starts at 0 and not 1 */
813
814         if ( enum_context >= num_privs )
815                 return NT_STATUS_NO_MORE_ENTRIES;
816                 
817         DEBUG(10,("_lsa_enum_privs: enum_context:%d total entries:%d\n", 
818                 enum_context, num_privs));
819         
820         if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&handle))
821                 return NT_STATUS_INVALID_HANDLE;
822
823         /* check if the user have enough rights
824            I don't know if it's the right one. not documented.  */
825
826         if (!(handle->access & POLICY_VIEW_LOCAL_INFORMATION))
827                 return NT_STATUS_ACCESS_DENIED;
828
829         if ( !(entries = TALLOC_ZERO_ARRAY(p->mem_ctx, LSA_PRIV_ENTRY, num_privs )) )
830                 return NT_STATUS_NO_MEMORY;
831
832         for (i = 0; i < num_privs; i++) {
833                 if( i < enum_context) {
834                         init_unistr2(&entries[i].name, NULL, UNI_FLAGS_NONE);
835                         init_uni_hdr(&entries[i].hdr_name, &entries[i].name);
836                         
837                         entries[i].luid_low = 0;
838                         entries[i].luid_high = 0;
839                 } else {
840                         init_unistr2(&entries[i].name, privs[i].name, UNI_FLAGS_NONE);
841                         init_uni_hdr(&entries[i].hdr_name, &entries[i].name);
842                         
843                         luid = get_privilege_luid( &privs[i].se_priv );
844                         
845                         entries[i].luid_low = luid.luid.low;
846                         entries[i].luid_high = luid.luid.high;
847                 }
848         }
849
850         enum_context = num_privs;
851         
852         init_lsa_r_enum_privs(r_u, enum_context, num_privs, entries);
853
854         return NT_STATUS_OK;
855 }
856
857 /***************************************************************************
858 _lsa_priv_get_dispname.
859  ***************************************************************************/
860
861 NTSTATUS _lsa_priv_get_dispname(pipes_struct *p, LSA_Q_PRIV_GET_DISPNAME *q_u, LSA_R_PRIV_GET_DISPNAME *r_u)
862 {
863         struct lsa_info *handle;
864         fstring name_asc;
865         const char *description;
866
867         if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&handle))
868                 return NT_STATUS_INVALID_HANDLE;
869
870         /* check if the user have enough rights */
871
872         /*
873          * I don't know if it's the right one. not documented.
874          */
875         if (!(handle->access & POLICY_VIEW_LOCAL_INFORMATION))
876                 return NT_STATUS_ACCESS_DENIED;
877
878         unistr2_to_ascii(name_asc, &q_u->name, sizeof(name_asc));
879
880         DEBUG(10,("_lsa_priv_get_dispname: name = %s\n", name_asc));
881
882         description = get_privilege_dispname( name_asc );
883         
884         if ( description ) {
885                 DEBUG(10,("_lsa_priv_get_dispname: display name = %s\n", description));
886                 
887                 init_unistr2(&r_u->desc, description, UNI_FLAGS_NONE);
888                 init_uni_hdr(&r_u->hdr_desc, &r_u->desc);
889
890                 r_u->ptr_info = 0xdeadbeef;
891                 r_u->lang_id = q_u->lang_id;
892                 
893                 return NT_STATUS_OK;
894         } else {
895                 DEBUG(10,("_lsa_priv_get_dispname: doesn't exist\n"));
896                 
897                 r_u->ptr_info = 0;
898                 
899                 return NT_STATUS_NO_SUCH_PRIVILEGE;
900         }
901 }
902
903 /***************************************************************************
904 _lsa_enum_accounts.
905  ***************************************************************************/
906
907 NTSTATUS _lsa_enum_accounts(pipes_struct *p, LSA_Q_ENUM_ACCOUNTS *q_u, LSA_R_ENUM_ACCOUNTS *r_u)
908 {
909         struct lsa_info *handle;
910         DOM_SID *sid_list;
911         int i, j, num_entries;
912         LSA_SID_ENUM *sids=&r_u->sids;
913         NTSTATUS ret;
914
915         if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&handle))
916                 return NT_STATUS_INVALID_HANDLE;
917
918         if (!(handle->access & POLICY_VIEW_LOCAL_INFORMATION))
919                 return NT_STATUS_ACCESS_DENIED;
920
921         sid_list = NULL;
922         num_entries = 0;
923
924         /* The only way we can currently find out all the SIDs that have been
925            privileged is to scan all privileges */
926
927         if (!NT_STATUS_IS_OK(ret = privilege_enumerate_accounts(&sid_list, &num_entries))) {
928                 return ret;
929         }
930
931         if (q_u->enum_context >= num_entries)
932                 return NT_STATUS_NO_MORE_ENTRIES;
933
934         sids->ptr_sid = TALLOC_ZERO_ARRAY(p->mem_ctx, uint32, num_entries-q_u->enum_context);
935         sids->sid = TALLOC_ZERO_ARRAY(p->mem_ctx, DOM_SID2, num_entries-q_u->enum_context);
936
937         if (sids->ptr_sid==NULL || sids->sid==NULL) {
938                 SAFE_FREE(sid_list);
939                 return NT_STATUS_NO_MEMORY;
940         }
941
942         for (i = q_u->enum_context, j = 0; i < num_entries; i++, j++) {
943                 init_dom_sid2(&(*sids).sid[j], &sid_list[i]);
944                 (*sids).ptr_sid[j] = 1;
945         }
946
947         SAFE_FREE(sid_list);
948
949         init_lsa_r_enum_accounts(r_u, num_entries);
950
951         return NT_STATUS_OK;
952 }
953
954
955 NTSTATUS _lsa_unk_get_connuser(pipes_struct *p, LSA_Q_UNK_GET_CONNUSER *q_u, LSA_R_UNK_GET_CONNUSER *r_u)
956 {
957         fstring username, domname;
958         user_struct *vuser = get_valid_user_struct(p->vuid);
959   
960         if (vuser == NULL)
961                 return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
962   
963         fstrcpy(username, vuser->user.smb_name);
964         fstrcpy(domname, vuser->user.domain);
965   
966         r_u->ptr_user_name = 1;
967         init_unistr2(&r_u->uni2_user_name, username, UNI_STR_TERMINATE);
968         init_uni_hdr(&r_u->hdr_user_name, &r_u->uni2_user_name);
969
970         r_u->unk1 = 1;
971   
972         r_u->ptr_dom_name = 1;
973         init_unistr2(&r_u->uni2_dom_name, domname,  UNI_STR_TERMINATE);
974         init_uni_hdr(&r_u->hdr_dom_name, &r_u->uni2_dom_name);
975
976         r_u->status = NT_STATUS_OK;
977   
978         return r_u->status;
979 }
980
981 /***************************************************************************
982  Lsa Create Account 
983  ***************************************************************************/
984
985 NTSTATUS _lsa_create_account(pipes_struct *p, LSA_Q_CREATEACCOUNT *q_u, LSA_R_CREATEACCOUNT *r_u)
986 {
987         struct lsa_info *handle;
988         struct lsa_info *info;
989
990         /* find the connection policy handle. */
991         if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&handle))
992                 return NT_STATUS_INVALID_HANDLE;
993
994         /* check if the user have enough rights */
995
996         /*
997          * I don't know if it's the right one. not documented.
998          * but guessed with rpcclient.
999          */
1000         if (!(handle->access & POLICY_GET_PRIVATE_INFORMATION))
1001                 return NT_STATUS_ACCESS_DENIED;
1002
1003         /* check to see if the pipe_user is a Domain Admin since 
1004            account_pol.tdb was already opened as root, this is all we have */
1005            
1006         if ( !nt_token_check_domain_rid( p->pipe_user.nt_user_token, DOMAIN_GROUP_RID_ADMINS ) )
1007                 return NT_STATUS_ACCESS_DENIED;
1008                 
1009         if ( is_privileged_sid( &q_u->sid.sid ) )
1010                 return NT_STATUS_OBJECT_NAME_COLLISION;
1011
1012         /* associate the user/group SID with the (unique) handle. */
1013         
1014         if ((info = SMB_MALLOC_P(struct lsa_info)) == NULL)
1015                 return NT_STATUS_NO_MEMORY;
1016
1017         ZERO_STRUCTP(info);
1018         info->sid = q_u->sid.sid;
1019         info->access = q_u->access;
1020
1021         /* get a (unique) handle.  open a policy on it. */
1022         if (!create_policy_hnd(p, &r_u->pol, free_lsa_info, (void *)info))
1023                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
1024
1025         return privilege_create_account( &info->sid );
1026 }
1027
1028
1029 /***************************************************************************
1030  Lsa Open Account
1031  ***************************************************************************/
1032
1033 NTSTATUS _lsa_open_account(pipes_struct *p, LSA_Q_OPENACCOUNT *q_u, LSA_R_OPENACCOUNT *r_u)
1034 {
1035         struct lsa_info *handle;
1036         struct lsa_info *info;
1037
1038         /* find the connection policy handle. */
1039         if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&handle))
1040                 return NT_STATUS_INVALID_HANDLE;
1041
1042         /* check if the user have enough rights */
1043
1044         /*
1045          * I don't know if it's the right one. not documented.
1046          * but guessed with rpcclient.
1047          */
1048         if (!(handle->access & POLICY_GET_PRIVATE_INFORMATION))
1049                 return NT_STATUS_ACCESS_DENIED;
1050
1051         /* TODO: Fis the parsing routine before reenabling this check! */
1052         #if 0
1053         if (!lookup_sid(&handle->sid, dom_name, name, &type))
1054                 return NT_STATUS_ACCESS_DENIED;
1055         #endif
1056         /* associate the user/group SID with the (unique) handle. */
1057         if ((info = SMB_MALLOC_P(struct lsa_info)) == NULL)
1058                 return NT_STATUS_NO_MEMORY;
1059
1060         ZERO_STRUCTP(info);
1061         info->sid = q_u->sid.sid;
1062         info->access = q_u->access;
1063
1064         /* get a (unique) handle.  open a policy on it. */
1065         if (!create_policy_hnd(p, &r_u->pol, free_lsa_info, (void *)info))
1066                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
1067
1068         return NT_STATUS_OK;
1069 }
1070
1071 /***************************************************************************
1072  For a given SID, enumerate all the privilege this account has.
1073  ***************************************************************************/
1074
1075 NTSTATUS _lsa_enum_privsaccount(pipes_struct *p, prs_struct *ps, LSA_Q_ENUMPRIVSACCOUNT *q_u, LSA_R_ENUMPRIVSACCOUNT *r_u)
1076 {
1077         struct lsa_info *info=NULL;
1078         SE_PRIV mask;
1079         PRIVILEGE_SET privileges;
1080
1081         /* find the connection policy handle. */
1082         if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&info))
1083                 return NT_STATUS_INVALID_HANDLE;
1084
1085         if ( !get_privileges_for_sids( &mask, &info->sid, 1 ) ) 
1086                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
1087
1088         privilege_set_init( &privileges );
1089
1090         if ( se_priv_to_privilege_set( &privileges, &mask ) ) {
1091
1092                 DEBUG(10,("_lsa_enum_privsaccount: %s has %d privileges\n", 
1093                         sid_string_static(&info->sid), privileges.count));
1094
1095                 r_u->status = init_lsa_r_enum_privsaccount(ps->mem_ctx, r_u, privileges.set, privileges.count, 0);
1096         }
1097         else
1098                 r_u->status = NT_STATUS_NO_SUCH_PRIVILEGE;
1099
1100         privilege_set_free( &privileges );
1101
1102         return r_u->status;
1103 }
1104
1105 /***************************************************************************
1106  
1107  ***************************************************************************/
1108
1109 NTSTATUS _lsa_getsystemaccount(pipes_struct *p, LSA_Q_GETSYSTEMACCOUNT *q_u, LSA_R_GETSYSTEMACCOUNT *r_u)
1110 {
1111         struct lsa_info *info=NULL;
1112         fstring name, dom_name;
1113         enum SID_NAME_USE type;
1114
1115         /* find the connection policy handle. */
1116
1117         if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&info))
1118                 return NT_STATUS_INVALID_HANDLE;
1119
1120         if (!lookup_sid(&info->sid, dom_name, name, &type))
1121                 return NT_STATUS_ACCESS_DENIED;
1122
1123         /*
1124           0x01 -> Log on locally
1125           0x02 -> Access this computer from network
1126           0x04 -> Log on as a batch job
1127           0x10 -> Log on as a service
1128           
1129           they can be ORed together
1130         */
1131
1132         r_u->access = PR_LOG_ON_LOCALLY | PR_ACCESS_FROM_NETWORK;
1133
1134         return NT_STATUS_OK;
1135 }
1136
1137 /***************************************************************************
1138   update the systemaccount information
1139  ***************************************************************************/
1140
1141 NTSTATUS _lsa_setsystemaccount(pipes_struct *p, LSA_Q_SETSYSTEMACCOUNT *q_u, LSA_R_SETSYSTEMACCOUNT *r_u)
1142 {
1143         struct lsa_info *info=NULL;
1144         GROUP_MAP map;
1145         r_u->status = NT_STATUS_OK;
1146
1147         /* find the connection policy handle. */
1148         if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&info))
1149                 return NT_STATUS_INVALID_HANDLE;
1150
1151         /* check to see if the pipe_user is a Domain Admin since 
1152            account_pol.tdb was already opened as root, this is all we have */
1153            
1154         if ( !nt_token_check_domain_rid( p->pipe_user.nt_user_token, DOMAIN_GROUP_RID_ADMINS ) )
1155                 return NT_STATUS_ACCESS_DENIED;
1156
1157         if (!pdb_getgrsid(&map, info->sid))
1158                 return NT_STATUS_NO_SUCH_GROUP;
1159
1160         if(!pdb_update_group_mapping_entry(&map))
1161                 return NT_STATUS_NO_SUCH_GROUP;
1162
1163         return r_u->status;
1164 }
1165
1166 /***************************************************************************
1167  For a given SID, add some privileges.
1168  ***************************************************************************/
1169
1170 NTSTATUS _lsa_addprivs(pipes_struct *p, LSA_Q_ADDPRIVS *q_u, LSA_R_ADDPRIVS *r_u)
1171 {
1172         struct lsa_info *info = NULL;
1173         SE_PRIV mask;
1174         PRIVILEGE_SET *set = NULL;
1175         struct current_user user;
1176
1177         /* find the connection policy handle. */
1178         if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&info))
1179                 return NT_STATUS_INVALID_HANDLE;
1180                 
1181         /* check to see if the pipe_user is root or a Domain Admin since 
1182            account_pol.tdb was already opened as root, this is all we have */
1183            
1184         get_current_user( &user, p );
1185         if ( user.uid != sec_initial_uid() 
1186                 && !nt_token_check_domain_rid( p->pipe_user.nt_user_token, DOMAIN_GROUP_RID_ADMINS ) )
1187         {
1188                 return NT_STATUS_ACCESS_DENIED;
1189         }
1190
1191         set = &q_u->set;
1192
1193         if ( !privilege_set_to_se_priv( &mask, set ) )
1194                 return NT_STATUS_NO_SUCH_PRIVILEGE;
1195
1196         if ( !grant_privilege( &info->sid, &mask ) ) {
1197                 DEBUG(3,("_lsa_addprivs: grant_privilege(%s) failed!\n",
1198                         sid_string_static(&info->sid) ));
1199                 DEBUG(3,("Privilege mask:\n"));
1200                 dump_se_priv( DBGC_ALL, 3, &mask );
1201                 return NT_STATUS_NO_SUCH_PRIVILEGE;
1202         }
1203
1204         return NT_STATUS_OK;
1205 }
1206
1207 /***************************************************************************
1208  For a given SID, remove some privileges.
1209  ***************************************************************************/
1210
1211 NTSTATUS _lsa_removeprivs(pipes_struct *p, LSA_Q_REMOVEPRIVS *q_u, LSA_R_REMOVEPRIVS *r_u)
1212 {
1213         struct lsa_info *info = NULL;
1214         SE_PRIV mask;
1215         PRIVILEGE_SET *set = NULL;
1216         struct current_user user;
1217
1218         /* find the connection policy handle. */
1219         if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&info))
1220                 return NT_STATUS_INVALID_HANDLE;
1221
1222         /* check to see if the pipe_user is root or a Domain Admin since 
1223            account_pol.tdb was already opened as root, this is all we have */
1224            
1225         get_current_user( &user, p );
1226         if ( user.uid != sec_initial_uid()
1227                 && !nt_token_check_domain_rid( p->pipe_user.nt_user_token, DOMAIN_GROUP_RID_ADMINS ) ) 
1228         {
1229                 return NT_STATUS_ACCESS_DENIED;
1230         }
1231
1232         set = &q_u->set;
1233
1234         if ( !privilege_set_to_se_priv( &mask, set ) )
1235                 return NT_STATUS_NO_SUCH_PRIVILEGE;
1236
1237         if ( !revoke_privilege( &info->sid, &mask ) ) {
1238                 DEBUG(3,("_lsa_removeprivs: revoke_privilege(%s) failed!\n",
1239                         sid_string_static(&info->sid) ));
1240                 DEBUG(3,("Privilege mask:\n"));
1241                 dump_se_priv( DBGC_ALL, 3, &mask );
1242                 return NT_STATUS_NO_SUCH_PRIVILEGE;
1243         }
1244
1245         return NT_STATUS_OK;
1246 }
1247
1248 /***************************************************************************
1249  For a given SID, remove some privileges.
1250  ***************************************************************************/
1251
1252 NTSTATUS _lsa_query_secobj(pipes_struct *p, LSA_Q_QUERY_SEC_OBJ *q_u, LSA_R_QUERY_SEC_OBJ *r_u)
1253 {
1254         struct lsa_info *handle=NULL;
1255         SEC_DESC *psd = NULL;
1256         size_t sd_size;
1257         NTSTATUS status;
1258
1259         r_u->status = NT_STATUS_OK;
1260
1261         /* find the connection policy handle. */
1262         if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&handle))
1263                 return NT_STATUS_INVALID_HANDLE;
1264
1265         /* check if the user have enough rights */
1266         if (!(handle->access & POLICY_VIEW_LOCAL_INFORMATION))
1267                 return NT_STATUS_ACCESS_DENIED;
1268
1269
1270         switch (q_u->sec_info) {
1271         case 1:
1272                 /* SD contains only the owner */
1273
1274                 status=lsa_get_generic_sd(p->mem_ctx, &psd, &sd_size);
1275                 if(!NT_STATUS_IS_OK(status))
1276                         return NT_STATUS_NO_MEMORY;
1277
1278
1279                 if((r_u->buf = make_sec_desc_buf(p->mem_ctx, sd_size, psd)) == NULL)
1280                         return NT_STATUS_NO_MEMORY;
1281                 break;
1282         case 4:
1283                 /* SD contains only the ACL */
1284
1285                 status=lsa_get_generic_sd(p->mem_ctx, &psd, &sd_size);
1286                 if(!NT_STATUS_IS_OK(status))
1287                         return NT_STATUS_NO_MEMORY;
1288
1289                 if((r_u->buf = make_sec_desc_buf(p->mem_ctx, sd_size, psd)) == NULL)
1290                         return NT_STATUS_NO_MEMORY;
1291                 break;
1292         default:
1293                 return NT_STATUS_INVALID_LEVEL;
1294         }
1295
1296         r_u->ptr=1;
1297
1298         return r_u->status;
1299 }
1300
1301 #if 0   /* AD DC work in ongoing in Samba 4 */
1302
1303 /***************************************************************************
1304  ***************************************************************************/
1305
1306 NTSTATUS _lsa_query_info2(pipes_struct *p, LSA_Q_QUERY_INFO2 *q_u, LSA_R_QUERY_INFO2 *r_u)
1307 {
1308         struct lsa_info *handle;
1309         const char *nb_name;
1310         char *dns_name = NULL;
1311         char *forest_name = NULL;
1312         DOM_SID *sid = NULL;
1313         struct uuid guid;
1314         fstring dnsdomname;
1315
1316         ZERO_STRUCT(guid);
1317         r_u->status = NT_STATUS_OK;
1318
1319         if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&handle))
1320                 return NT_STATUS_INVALID_HANDLE;
1321
1322         switch (q_u->info_class) {
1323         case 0x0c:
1324                 /* check if the user have enough rights */
1325                 if (!(handle->access & POLICY_VIEW_LOCAL_INFORMATION))
1326                         return NT_STATUS_ACCESS_DENIED;
1327
1328                 /* Request PolicyPrimaryDomainInformation. */
1329                 switch (lp_server_role()) {
1330                         case ROLE_DOMAIN_PDC:
1331                         case ROLE_DOMAIN_BDC:
1332                                 nb_name = get_global_sam_name();
1333                                 /* ugly temp hack for these next two */
1334
1335                                 /* This should be a 'netbios domain -> DNS domain' mapping */
1336                                 dnsdomname[0] = '\0';
1337                                 get_mydnsdomname(dnsdomname);
1338                                 strlower_m(dnsdomname);
1339                                 
1340                                 dns_name = dnsdomname;
1341                                 forest_name = dnsdomname;
1342
1343                                 sid = get_global_sam_sid();
1344                                 secrets_fetch_domain_guid(lp_workgroup(), &guid);
1345                                 break;
1346                         default:
1347                                 return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
1348                 }
1349                 init_dns_dom_info(&r_u->info.dns_dom_info, nb_name, dns_name, 
1350                                   forest_name,&guid,sid);
1351                 break;
1352         default:
1353                 DEBUG(0,("_lsa_query_info2: unknown info level in Lsa Query: %d\n", q_u->info_class));
1354                 r_u->status = NT_STATUS_INVALID_INFO_CLASS;
1355                 break;
1356         }
1357
1358         if (NT_STATUS_IS_OK(r_u->status)) {
1359                 r_u->ptr = 0x1;
1360                 r_u->info_class = q_u->info_class;
1361         }
1362
1363         return r_u->status;
1364 }
1365 #endif  /* AD DC work in ongoing in Samba 4 */
1366
1367 /***************************************************************************
1368  ***************************************************************************/
1369
1370 NTSTATUS _lsa_add_acct_rights(pipes_struct *p, LSA_Q_ADD_ACCT_RIGHTS *q_u, LSA_R_ADD_ACCT_RIGHTS *r_u)
1371 {
1372         struct lsa_info *info = NULL;
1373         int i = 0;
1374         DOM_SID sid;
1375         fstring privname;
1376         UNISTR4_ARRAY *uni_privnames = q_u->rights;
1377         struct current_user user;
1378         
1379
1380         /* find the connection policy handle. */
1381         if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&info))
1382                 return NT_STATUS_INVALID_HANDLE;
1383                 
1384         /* check to see if the pipe_user is a Domain Admin since 
1385            account_pol.tdb was already opened as root, this is all we have */
1386            
1387         get_current_user( &user, p );
1388         if ( user.uid != sec_initial_uid()
1389                 && !nt_token_check_domain_rid( p->pipe_user.nt_user_token, DOMAIN_GROUP_RID_ADMINS ) ) 
1390         {
1391                 return NT_STATUS_ACCESS_DENIED;
1392         }
1393
1394         /* according to an NT4 PDC, you can add privileges to SIDs even without
1395            call_lsa_create_account() first.  And you can use any arbitrary SID. */
1396            
1397         sid_copy( &sid, &q_u->sid.sid );
1398         
1399         /* just a little sanity check */
1400         
1401         if ( q_u->count != uni_privnames->count ) {
1402                 DEBUG(0,("_lsa_add_acct_rights: count != number of UNISTR2 elements!\n"));
1403                 return NT_STATUS_INVALID_HANDLE;        
1404         }
1405                 
1406         for ( i=0; i<q_u->count; i++ ) {
1407                 UNISTR4 *uni4_str = &uni_privnames->strings[i];
1408
1409                 /* only try to add non-null strings */
1410
1411                 if ( !uni4_str->string )
1412                         continue;
1413
1414                 rpcstr_pull( privname, uni4_str->string->buffer, sizeof(privname), -1, STR_TERMINATE );
1415                 
1416                 if ( !grant_privilege_by_name( &sid, privname ) ) {
1417                         DEBUG(2,("_lsa_add_acct_rights: Failed to add privilege [%s]\n", privname ));
1418                         return NT_STATUS_NO_SUCH_PRIVILEGE;
1419                 }
1420         }
1421
1422         return NT_STATUS_OK;
1423 }
1424
1425 /***************************************************************************
1426  ***************************************************************************/
1427
1428 NTSTATUS _lsa_remove_acct_rights(pipes_struct *p, LSA_Q_REMOVE_ACCT_RIGHTS *q_u, LSA_R_REMOVE_ACCT_RIGHTS *r_u)
1429 {
1430         struct lsa_info *info = NULL;
1431         int i = 0;
1432         DOM_SID sid;
1433         fstring privname;
1434         UNISTR4_ARRAY *uni_privnames = q_u->rights;
1435         struct current_user user;
1436         
1437
1438         /* find the connection policy handle. */
1439         if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&info))
1440                 return NT_STATUS_INVALID_HANDLE;
1441                 
1442         /* check to see if the pipe_user is a Domain Admin since 
1443            account_pol.tdb was already opened as root, this is all we have */
1444            
1445         get_current_user( &user, p );
1446         if ( user.uid != sec_initial_uid()
1447                 && !nt_token_check_domain_rid( p->pipe_user.nt_user_token, DOMAIN_GROUP_RID_ADMINS ) )
1448         {
1449                 return NT_STATUS_ACCESS_DENIED;
1450         }
1451
1452         sid_copy( &sid, &q_u->sid.sid );
1453
1454         if ( q_u->removeall ) {
1455                 if ( !revoke_all_privileges( &sid ) ) 
1456                         return NT_STATUS_ACCESS_DENIED;
1457         
1458                 return NT_STATUS_OK;
1459         }
1460         
1461         /* just a little sanity check */
1462         
1463         if ( q_u->count != uni_privnames->count ) {
1464                 DEBUG(0,("_lsa_add_acct_rights: count != number of UNISTR2 elements!\n"));
1465                 return NT_STATUS_INVALID_HANDLE;        
1466         }
1467                 
1468         for ( i=0; i<q_u->count; i++ ) {
1469                 UNISTR4 *uni4_str = &uni_privnames->strings[i];
1470
1471                 /* only try to add non-null strings */
1472
1473                 if ( !uni4_str->string )
1474                         continue;
1475
1476                 rpcstr_pull( privname, uni4_str->string->buffer, sizeof(privname), -1, STR_TERMINATE );
1477                 
1478                 if ( !revoke_privilege_by_name( &sid, privname ) ) {
1479                         DEBUG(2,("_lsa_remove_acct_rights: Failed to revoke privilege [%s]\n", privname ));
1480                         return NT_STATUS_NO_SUCH_PRIVILEGE;
1481                 }
1482         }
1483
1484         return NT_STATUS_OK;
1485 }
1486
1487
1488 /***************************************************************************
1489  ***************************************************************************/
1490
1491 NTSTATUS _lsa_enum_acct_rights(pipes_struct *p, LSA_Q_ENUM_ACCT_RIGHTS *q_u, LSA_R_ENUM_ACCT_RIGHTS *r_u)
1492 {
1493         struct lsa_info *info = NULL;
1494         DOM_SID sid;
1495         PRIVILEGE_SET privileges;
1496         SE_PRIV mask;
1497         
1498
1499         /* find the connection policy handle. */
1500         
1501         if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&info))
1502                 return NT_STATUS_INVALID_HANDLE;
1503                 
1504         /* according to an NT4 PDC, you can add privileges to SIDs even without
1505            call_lsa_create_account() first.  And you can use any arbitrary SID. */
1506            
1507         sid_copy( &sid, &q_u->sid.sid );
1508         
1509         if ( !get_privileges_for_sids( &mask, &sid, 1 ) )
1510                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
1511
1512         privilege_set_init( &privileges );
1513
1514         if ( se_priv_to_privilege_set( &privileges, &mask ) ) {
1515
1516                 DEBUG(10,("_lsa_enum_acct_rights: %s has %d privileges\n", 
1517                         sid_string_static(&sid), privileges.count));
1518
1519                 r_u->status = init_r_enum_acct_rights( r_u, &privileges );
1520         }
1521         else 
1522                 r_u->status = NT_STATUS_NO_SUCH_PRIVILEGE;
1523
1524         privilege_set_free( &privileges );
1525
1526         return r_u->status;
1527 }
1528
1529
1530 /***************************************************************************
1531  ***************************************************************************/
1532
1533 NTSTATUS _lsa_lookup_priv_value(pipes_struct *p, LSA_Q_LOOKUP_PRIV_VALUE *q_u, LSA_R_LOOKUP_PRIV_VALUE *r_u)
1534 {
1535         struct lsa_info *info = NULL;
1536         fstring name;
1537         LUID_ATTR priv_luid;
1538         SE_PRIV mask;
1539         
1540         /* find the connection policy handle. */
1541         
1542         if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&info))
1543                 return NT_STATUS_INVALID_HANDLE;
1544                 
1545         unistr2_to_ascii(name, &q_u->privname.unistring, sizeof(name));
1546         
1547         DEBUG(10,("_lsa_lookup_priv_value: name = %s\n", name));
1548
1549         if ( !se_priv_from_name( name, &mask ) )
1550                 return NT_STATUS_NO_SUCH_PRIVILEGE;
1551
1552         priv_luid = get_privilege_luid( &mask );
1553
1554         r_u->luid.low  = priv_luid.luid.low;
1555         r_u->luid.high = priv_luid.luid.high;
1556                 
1557
1558         return NT_STATUS_OK;
1559 }
1560