source3/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 int init_lsa_rid2s(TALLOC_CTX *mem_ctx,
 139                           DOM_R_REF *ref, DOM_RID2 *rid2,
 140                           int num_entries, UNISTR2 *name,
 141                           int flags)
 142 {
 143         int mapped_count, i;
 144
 145         SMB_ASSERT(num_entries <= MAX_LOOKUP_SIDS);
 146
 147         mapped_count = 0;
 148
 149         become_root(); /* lookup_name can require root privs */
 150
 151         for (i = 0; i < num_entries; i++) {
 152                 BOOL status = False;
 153                 DOM_SID sid;
 154                 uint32 rid;
 155                 int dom_idx;
 156                 char *full_name, *domain;
 157                 enum SID_NAME_USE type = SID_NAME_UNKNOWN;
 158
 159                 /* Split name into domain and user component */
 160
 161                 if (rpcstr_pull_unistr2_talloc(mem_ctx, &full_name,
 162                                                &name[i]) < 0) {
 163                         DEBUG(0, ("pull_ucs2_talloc failed\n"));
 164                         return 0;
 165                 }
 166
 167                 DEBUG(5, ("init_lsa_rid2s: looking up name %s\n", full_name));
 168
 169                 /* We can ignore the result of lookup_name, it will not touch
 170                    "type" if it's not successful */
 171
 172                 lookup_name(mem_ctx, full_name, flags, &domain, NULL,
 173                             &sid, &type);
 174
 175                 DEBUG(5, ("init_lsa_rid2s: %s\n", status ? "found" :
 176                           "not found"));
 177
 178                 switch (type) {
 179                 case SID_NAME_USER:
 180                 case SID_NAME_DOM_GRP:
 181                 case SID_NAME_DOMAIN:
 182                 case SID_NAME_ALIAS:
 183                 case SID_NAME_WKN_GRP:
 184                         /* Leave these unchanged */
 185                         break;
 186                 default:
 187                         /* Don't hand out anything but the list above */
 188                         type = SID_NAME_UNKNOWN;
 189                         break;
 190                 }
 191
 192                 rid = 0;
 193                 dom_idx = -1;
 194
 195                 if (type != SID_NAME_UNKNOWN) {
 196                         sid_split_rid(&sid, &rid);
 197                         dom_idx = init_dom_ref(ref, domain, &sid);
 198                         mapped_count++;
 199                 }
 200
 201                 init_dom_rid2(&rid2[i], rid, type, dom_idx);
 202         }
 203
 204         unbecome_root();
 205
 206         return mapped_count;
 207 }
 208
 209 /***************************************************************************
 210  init_reply_lookup_names
 211  ***************************************************************************/
 212
 213 static void init_reply_lookup_names(LSA_R_LOOKUP_NAMES *r_l,
 214                 DOM_R_REF *ref, uint32 num_entries,
 215                 DOM_RID2 *rid2, uint32 mapped_count)
 216 {
 217         r_l->ptr_dom_ref  = 1;
 218         r_l->dom_ref      = ref;
 219
 220         r_l->num_entries  = num_entries;
 221         r_l->ptr_entries  = 1;
 222         r_l->num_entries2 = num_entries;
 223         r_l->dom_rid      = rid2;
 224
 225         r_l->mapped_count = mapped_count;
 226 }
 227
 228 /***************************************************************************
 229  Init lsa_trans_names.
 230  ***************************************************************************/
 231
 232 static void init_lsa_trans_names(TALLOC_CTX *ctx, DOM_R_REF *ref, LSA_TRANS_NAME_ENUM *trn,
 233                                  int num_entries, DOM_SID2 *sid,
 234                                  uint32 *mapped_count)
 235 {
 236         int i;
 237         int total = 0;
 238         *mapped_count = 0;
 239
 240         /* Allocate memory for list of names */
 241
 242         if (num_entries > 0) {
 243                 if (!(trn->name = TALLOC_ARRAY(ctx, LSA_TRANS_NAME, num_entries))) {
 244                         DEBUG(0, ("init_lsa_trans_names(): out of memory\n"));
 245                         return;
 246                 }
 247
 248                 if (!(trn->uni_name = TALLOC_ARRAY(ctx, UNISTR2, num_entries))) {
 249                         DEBUG(0, ("init_lsa_trans_names(): out of memory\n"));
 250                         return;
 251                 }
 252         }
 253
 254         become_root(); /* Need root to get to passdb to for local sids */
 255
 256         for (i = 0; i < num_entries; i++) {
 257                 BOOL status = False;
 258                 DOM_SID find_sid = sid[i].sid;
 259                 uint32 rid = 0xffffffff;
 260                 int dom_idx = -1;
 261                 char *name, *domain;
 262                 enum SID_NAME_USE type = SID_NAME_UNKNOWN;
 263
 264                 DEBUG(5, ("init_lsa_trans_names: looking up sid %s\n",
 265                           sid_string_static(&find_sid)));
 266
 267                 /* Lookup sid from winbindd */
 268
 269                 status = lookup_sid(ctx, &find_sid, &domain, &name, &type);
 270
 271                 DEBUG(5, ("init_lsa_trans_names: %s\n", status ? "found" :
 272                           "not found"));
 273
 274                 if (!status) {
 275                         type = SID_NAME_UNKNOWN;
 276                         domain = talloc_strdup(ctx, "");
 277                         name = talloc_strdup(ctx,
 278                                              sid_string_static(&find_sid));
 279                         dom_idx = -1;
 280
 281                         DEBUG(10,("init_lsa_trans_names: added unknown user "
 282                                   "'%s' to referenced list.\n", name ));
 283                 } else {
 284                         (*mapped_count)++;
 285                         /* Store domain sid in ref array */
 286                         if (find_sid.num_auths == 5) {
 287                                 sid_split_rid(&find_sid, &rid);
 288                         }
 289                         dom_idx = init_dom_ref(ref, domain, &find_sid);
 290
 291                         DEBUG(10,("init_lsa_trans_names: added %s '%s\\%s' "
 292                                   "(%d) to referenced list.\n",
 293                                   sid_type_lookup(type), domain, name, type));
 294
 295                 }
 296
 297                 init_lsa_trans_name(&trn->name[total], &trn->uni_name[total],
 298                                     type, name, dom_idx);
 299                 total++;
 300         }
 301
 302         unbecome_root();
 303
 304         trn->num_entries = total;
 305         trn->ptr_trans_names = 1;
 306         trn->num_entries2 = total;
 307 }
 308
 309 /***************************************************************************
 310  Init_reply_lookup_sids.
 311  ***************************************************************************/
 312
 313 static void init_reply_lookup_sids(LSA_R_LOOKUP_SIDS *r_l,
 314                 DOM_R_REF *ref, LSA_TRANS_NAME_ENUM *names,
 315                 uint32 mapped_count)
 316 {
 317         r_l->ptr_dom_ref  = 1;
 318         r_l->dom_ref      = ref;
 319         r_l->names        = names;
 320         r_l->mapped_count = mapped_count;
 321 }
 322
 323 static NTSTATUS lsa_get_generic_sd(TALLOC_CTX *mem_ctx, SEC_DESC **sd, size_t *sd_size)
 324 {
 325         DOM_SID local_adm_sid;
 326         DOM_SID adm_sid;
 327
 328         SEC_ACE ace[3];
 329         SEC_ACCESS mask;
 330
 331         SEC_ACL *psa = NULL;
 332
 333         init_sec_access(&mask, POLICY_EXECUTE);
 334         init_sec_ace(&ace[0], &global_sid_World, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0);
 335
 336         sid_copy(&adm_sid, get_global_sam_sid());
 337         sid_append_rid(&adm_sid, DOMAIN_GROUP_RID_ADMINS);
 338         init_sec_access(&mask, POLICY_ALL_ACCESS);
 339         init_sec_ace(&ace[1], &adm_sid, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0);
 340
 341         sid_copy(&local_adm_sid, &global_sid_Builtin);
 342         sid_append_rid(&local_adm_sid, BUILTIN_ALIAS_RID_ADMINS);
 343         init_sec_access(&mask, POLICY_ALL_ACCESS);
 344         init_sec_ace(&ace[2], &local_adm_sid, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0);
 345
 346         if((psa = make_sec_acl(mem_ctx, NT4_ACL_REVISION, 3, ace)) == NULL)
 347                 return NT_STATUS_NO_MEMORY;
 348
 349         if((*sd = make_sec_desc(mem_ctx, SEC_DESC_REVISION, SEC_DESC_SELF_RELATIVE, &adm_sid, NULL, NULL, psa, sd_size)) == NULL)
 350                 return NT_STATUS_NO_MEMORY;
 351
 352         return NT_STATUS_OK;
 353 }
 354
 355 #if 0   /* AD DC work in ongoing in Samba 4 */
 356
 357 /***************************************************************************
 358  Init_dns_dom_info.
 359 ***************************************************************************/
 360
 361 static void init_dns_dom_info(LSA_DNS_DOM_INFO *r_l, const char *nb_name,
 362                               const char *dns_name, const char *forest_name,
 363                               struct uuid *dom_guid, DOM_SID *dom_sid)
 364 {
 365         if (nb_name && *nb_name) {
 366                 init_unistr2(&r_l->uni_nb_dom_name, nb_name, UNI_FLAGS_NONE);
 367                 init_uni_hdr(&r_l->hdr_nb_dom_name, &r_l->uni_nb_dom_name);
 368                 r_l->hdr_nb_dom_name.uni_max_len += 2;
 369                 r_l->uni_nb_dom_name.uni_max_len += 1;
 370         }
 371
 372         if (dns_name && *dns_name) {
 373                 init_unistr2(&r_l->uni_dns_dom_name, dns_name, UNI_FLAGS_NONE);
 374                 init_uni_hdr(&r_l->hdr_dns_dom_name, &r_l->uni_dns_dom_name);
 375                 r_l->hdr_dns_dom_name.uni_max_len += 2;
 376                 r_l->uni_dns_dom_name.uni_max_len += 1;
 377         }
 378
 379         if (forest_name && *forest_name) {
 380                 init_unistr2(&r_l->uni_forest_name, forest_name, UNI_FLAGS_NONE);
 381                 init_uni_hdr(&r_l->hdr_forest_name, &r_l->uni_forest_name);
 382                 r_l->hdr_forest_name.uni_max_len += 2;
 383                 r_l->uni_forest_name.uni_max_len += 1;
 384         }
 385
 386         /* how do we init the guid ? probably should write an init fn */
 387         if (dom_guid) {
 388                 memcpy(&r_l->dom_guid, dom_guid, sizeof(struct uuid));
 389         }
 390
 391         if (dom_sid) {
 392                 r_l->ptr_dom_sid = 1;
 393                 init_dom_sid2(&r_l->dom_sid, dom_sid);
 394         }
 395 }
 396 #endif  /* AD DC work in ongoing in Samba 4 */
 397
 398
 399 /***************************************************************************
 400  _lsa_open_policy2.
 401  ***************************************************************************/
 402
 403 NTSTATUS _lsa_open_policy2(pipes_struct *p, LSA_Q_OPEN_POL2 *q_u, LSA_R_OPEN_POL2 *r_u)
 404 {
 405         struct lsa_info *info;
 406         SEC_DESC *psd = NULL;
 407         size_t sd_size;
 408         uint32 des_access=q_u->des_access;
 409         uint32 acc_granted;
 410         NTSTATUS status;
 411
 412
 413         /* map the generic bits to the lsa policy ones */
 414         se_map_generic(&des_access, &lsa_generic_mapping);
 415
 416         /* get the generic lsa policy SD until we store it */
 417         lsa_get_generic_sd(p->mem_ctx, &psd, &sd_size);
 418
 419         if(!se_access_check(psd, p->pipe_user.nt_user_token, des_access, &acc_granted, &status)) {
 420                 if (geteuid() != 0) {
 421                         return status;
 422                 }
 423                 DEBUG(4,("ACCESS should be DENIED (granted: %#010x;  required: %#010x)\n",
 424                          acc_granted, des_access));
 425                 DEBUGADD(4,("but overwritten by euid == 0\n"));
 426         }
 427
 428         /* This is needed for lsa_open_account and rpcclient .... :-) */
 429
 430         if (geteuid() == 0)
 431                 acc_granted = POLICY_ALL_ACCESS;
 432
 433         /* associate the domain SID with the (unique) handle. */
 434         if ((info = SMB_MALLOC_P(struct lsa_info)) == NULL)
 435                 return NT_STATUS_NO_MEMORY;
 436
 437         ZERO_STRUCTP(info);
 438         sid_copy(&info->sid,get_global_sam_sid());
 439         info->access = acc_granted;
 440
 441         /* set up the LSA QUERY INFO response */
 442         if (!create_policy_hnd(p, &r_u->pol, free_lsa_info, (void *)info))
 443                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
 444
 445         return NT_STATUS_OK;
 446 }
 447
 448 /***************************************************************************
 449  _lsa_open_policy
 450  ***************************************************************************/
 451
 452 NTSTATUS _lsa_open_policy(pipes_struct *p, LSA_Q_OPEN_POL *q_u, LSA_R_OPEN_POL *r_u)
 453 {
 454         struct lsa_info *info;
 455         SEC_DESC *psd = NULL;
 456         size_t sd_size;
 457         uint32 des_access=q_u->des_access;
 458         uint32 acc_granted;
 459         NTSTATUS status;
 460
 461
 462         /* map the generic bits to the lsa policy ones */
 463         se_map_generic(&des_access, &lsa_generic_mapping);
 464
 465         /* get the generic lsa policy SD until we store it */
 466         lsa_get_generic_sd(p->mem_ctx, &psd, &sd_size);
 467
 468         if(!se_access_check(psd, p->pipe_user.nt_user_token, des_access, &acc_granted, &status)) {
 469                 if (geteuid() != 0) {
 470                         return status;
 471                 }
 472                 DEBUG(4,("ACCESS should be DENIED (granted: %#010x;  required: %#010x)\n",
 473                          acc_granted, des_access));
 474                 DEBUGADD(4,("but overwritten by euid == 0\n"));
 475                 acc_granted = des_access;
 476         }
 477
 478         /* associate the domain SID with the (unique) handle. */
 479         if ((info = SMB_MALLOC_P(struct lsa_info)) == NULL)
 480                 return NT_STATUS_NO_MEMORY;
 481
 482         ZERO_STRUCTP(info);
 483         sid_copy(&info->sid,get_global_sam_sid());
 484         info->access = acc_granted;
 485
 486         /* set up the LSA QUERY INFO response */
 487         if (!create_policy_hnd(p, &r_u->pol, free_lsa_info, (void *)info))
 488                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
 489
 490         return NT_STATUS_OK;
 491 }
 492
 493 /***************************************************************************
 494  _lsa_enum_trust_dom - this needs fixing to do more than return NULL ! JRA.
 495  ufff, done :)  mimir
 496  ***************************************************************************/
 497
 498 NTSTATUS _lsa_enum_trust_dom(pipes_struct *p, LSA_Q_ENUM_TRUST_DOM *q_u, LSA_R_ENUM_TRUST_DOM *r_u)
 499 {
 500         struct lsa_info *info;
 501         uint32 enum_context = q_u->enum_context;
 502
 503         /*
 504          * preferred length is set to 5 as a "our" preferred length
 505          * nt sets this parameter to 2
 506          * update (20.08.2002): it's not preferred length, but preferred size!
 507          * it needs further investigation how to optimally choose this value
 508          */
 509         uint32 max_num_domains = q_u->preferred_len < 5 ? q_u->preferred_len : 10;
 510         TRUSTDOM **trust_doms;
 511         uint32 num_domains;
 512         NTSTATUS nt_status;
 513
 514         if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&info))
 515                 return NT_STATUS_INVALID_HANDLE;
 516
 517         /* check if the user have enough rights */
 518         if (!(info->access & POLICY_VIEW_LOCAL_INFORMATION))
 519                 return NT_STATUS_ACCESS_DENIED;
 520
 521         nt_status = secrets_get_trusted_domains(p->mem_ctx, (int *)&enum_context, max_num_domains, (int *)&num_domains, &trust_doms);
 522
 523         if (!NT_STATUS_IS_OK(nt_status) &&
 524             !NT_STATUS_EQUAL(nt_status, STATUS_MORE_ENTRIES) &&
 525             !NT_STATUS_EQUAL(nt_status, NT_STATUS_NO_MORE_ENTRIES)) {
 526                 return nt_status;
 527         } else {
 528                 r_u->status = nt_status;
 529         }
 530
 531         /* set up the lsa_enum_trust_dom response */
 532
 533         init_r_enum_trust_dom(p->mem_ctx, r_u, enum_context, max_num_domains, num_domains, trust_doms);
 534
 535         return r_u->status;
 536 }
 537
 538 /***************************************************************************
 539  _lsa_query_info. See the POLICY_INFOMATION_CLASS docs at msdn.
 540  ***************************************************************************/
 541
 542 NTSTATUS _lsa_query_info(pipes_struct *p, LSA_Q_QUERY_INFO *q_u, LSA_R_QUERY_INFO *r_u)
 543 {
 544         struct lsa_info *handle;
 545         LSA_INFO_UNION *info = &r_u->dom;
 546         DOM_SID domain_sid;
 547         const char *name;
 548         DOM_SID *sid = NULL;
 549
 550         r_u->status = NT_STATUS_OK;
 551
 552         if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&handle))
 553                 return NT_STATUS_INVALID_HANDLE;
 554
 555         switch (q_u->info_class) {
 556         case 0x02:
 557                 {
 558                 unsigned int i;
 559                 /* check if the user have enough rights */
 560                 if (!(handle->access & POLICY_VIEW_AUDIT_INFORMATION))
 561                         return NT_STATUS_ACCESS_DENIED;
 562
 563                 /* fake info: We audit everything. ;) */
 564                 info->id2.auditing_enabled = 1;
 565                 info->id2.count1 = 7;
 566                 info->id2.count2 = 7;
 567                 if ((info->id2.auditsettings = TALLOC_ARRAY(p->mem_ctx,uint32, 7)) == NULL)
 568                         return NT_STATUS_NO_MEMORY;
 569                 for (i = 0; i < 7; i++)
 570                         info->id2.auditsettings[i] = 3;
 571                 break;
 572                 }
 573         case 0x03:
 574                 /* check if the user have enough rights */
 575                 if (!(handle->access & POLICY_VIEW_LOCAL_INFORMATION))
 576                         return NT_STATUS_ACCESS_DENIED;
 577
 578                 /* Request PolicyPrimaryDomainInformation. */
 579                 switch (lp_server_role()) {
 580                         case ROLE_DOMAIN_PDC:
 581                         case ROLE_DOMAIN_BDC:
 582                                 name = get_global_sam_name();
 583                                 sid = get_global_sam_sid();
 584                                 break;
 585                         case ROLE_DOMAIN_MEMBER:
 586                                 name = lp_workgroup();
 587                                 /* We need to return the Domain SID here. */
 588                                 if (secrets_fetch_domain_sid(lp_workgroup(), &domain_sid))
 589                                         sid = &domain_sid;
 590                                 else
 591                                         return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
 592                                 break;
 593                         case ROLE_STANDALONE:
 594                                 name = lp_workgroup();
 595                                 sid = NULL;
 596                                 break;
 597                         default:
 598                                 return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
 599                 }
 600                 init_dom_query(&r_u->dom.id3, name, sid);
 601                 break;
 602         case 0x05:
 603                 /* check if the user have enough rights */
 604                 if (!(handle->access & POLICY_VIEW_LOCAL_INFORMATION))
 605                         return NT_STATUS_ACCESS_DENIED;
 606
 607                 /* Request PolicyAccountDomainInformation. */
 608                 name = get_global_sam_name();
 609                 sid = get_global_sam_sid();
 610                 init_dom_query(&r_u->dom.id5, name, sid);
 611                 break;
 612         case 0x06:
 613                 /* check if the user have enough rights */
 614                 if (!(handle->access & POLICY_VIEW_LOCAL_INFORMATION))
 615                         return NT_STATUS_ACCESS_DENIED;
 616
 617                 switch (lp_server_role()) {
 618                         case ROLE_DOMAIN_BDC:
 619                                 /*
 620                                  * only a BDC is a backup controller
 621                                  * of the domain, it controls.
 622                                  */
 623                                 info->id6.server_role = 2;
 624                                 break;
 625                         default:
 626                                 /*
 627                                  * any other role is a primary
 628                                  * of the domain, it controls.
 629                                  */
 630                                 info->id6.server_role = 3;
 631                                 break;
 632                 }
 633                 break;
 634         default:
 635                 DEBUG(0,("_lsa_query_info: unknown info level in Lsa Query: %d\n", q_u->info_class));
 636                 r_u->status = NT_STATUS_INVALID_INFO_CLASS;
 637                 break;
 638         }
 639
 640         if (NT_STATUS_IS_OK(r_u->status)) {
 641                 r_u->undoc_buffer = 0x22000000; /* bizarre */
 642                 r_u->info_class = q_u->info_class;
 643         }
 644
 645         return r_u->status;
 646 }
 647
 648 /***************************************************************************
 649  _lsa_lookup_sids
 650  ***************************************************************************/
 651
 652 NTSTATUS _lsa_lookup_sids(pipes_struct *p, LSA_Q_LOOKUP_SIDS *q_u, LSA_R_LOOKUP_SIDS *r_u)
 653 {
 654         struct lsa_info *handle;
 655         DOM_SID2 *sid = q_u->sids.sid;
 656         int num_entries = q_u->sids.num_entries;
 657         DOM_R_REF *ref = NULL;
 658         LSA_TRANS_NAME_ENUM *names = NULL;
 659         uint32 mapped_count = 0;
 660
 661         if (num_entries >  MAX_LOOKUP_SIDS) {
 662                 num_entries = 0;
 663                 DEBUG(5,("_lsa_lookup_sids: limit of %d exceeded, truncating SID lookup list to %d\n", MAX_LOOKUP_SIDS, num_entries));
 664                 r_u->status = NT_STATUS_NONE_MAPPED;
 665         }
 666
 667         ref = TALLOC_ZERO_P(p->mem_ctx, DOM_R_REF);
 668         names = TALLOC_ZERO_P(p->mem_ctx, LSA_TRANS_NAME_ENUM);
 669
 670         if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&handle)) {
 671                 r_u->status = NT_STATUS_INVALID_HANDLE;
 672                 goto done;
 673         }
 674
 675         /* check if the user have enough rights */
 676         if (!(handle->access & POLICY_LOOKUP_NAMES)) {
 677                 r_u->status = NT_STATUS_ACCESS_DENIED;
 678                 goto done;
 679         }
 680         if (!ref || !names)
 681                 return NT_STATUS_NO_MEMORY;
 682
 683 done:
 684
 685         /* set up the LSA Lookup SIDs response */
 686         init_lsa_trans_names(p->mem_ctx, ref, names, num_entries, sid, &mapped_count);
 687         if (NT_STATUS_IS_OK(r_u->status)) {
 688                 if (mapped_count == 0)
 689                         r_u->status = NT_STATUS_NONE_MAPPED;
 690                 else if (mapped_count != num_entries)
 691                         r_u->status = STATUS_SOME_UNMAPPED;
 692         }
 693         init_reply_lookup_sids(r_u, ref, names, mapped_count);
 694
 695         return r_u->status;
 696 }
 697
 698 /***************************************************************************
 699 lsa_reply_lookup_names
 700  ***************************************************************************/
 701
 702 NTSTATUS _lsa_lookup_names(pipes_struct *p,LSA_Q_LOOKUP_NAMES *q_u, LSA_R_LOOKUP_NAMES *r_u)
 703 {
 704         struct lsa_info *handle;
 705         UNISTR2 *names = q_u->uni_name;
 706         int num_entries = q_u->num_entries;
 707         DOM_R_REF *ref;
 708         DOM_RID2 *rids;
 709         uint32 mapped_count = 0;
 710         int flags = 0;
 711
 712         if (num_entries >  MAX_LOOKUP_SIDS) {
 713                 num_entries = MAX_LOOKUP_SIDS;
 714                 DEBUG(5,("_lsa_lookup_names: truncating name lookup list to %d\n", num_entries));
 715         }
 716
 717         /* Probably the lookup_level is some sort of bitmask. */
 718         if (q_u->lookup_level == 1) {
 719                 flags = LOOKUP_NAME_ALL;
 720         }
 721
 722         ref = TALLOC_ZERO_P(p->mem_ctx, DOM_R_REF);
 723         rids = TALLOC_ZERO_ARRAY(p->mem_ctx, DOM_RID2, num_entries);
 724
 725         if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&handle)) {
 726                 r_u->status = NT_STATUS_INVALID_HANDLE;
 727                 goto done;
 728         }
 729
 730         /* check if the user have enough rights */
 731         if (!(handle->access & POLICY_LOOKUP_NAMES)) {
 732                 r_u->status = NT_STATUS_ACCESS_DENIED;
 733                 goto done;
 734         }
 735
 736         if (!ref || !rids)
 737                 return NT_STATUS_NO_MEMORY;
 738
 739         /* set up the LSA Lookup RIDs response */
 740         mapped_count = init_lsa_rid2s(p->mem_ctx, ref, rids, num_entries,
 741                                       names, flags);
 742 done:
 743
 744         if (NT_STATUS_IS_OK(r_u->status)) {
 745                 if (mapped_count == 0)
 746                         r_u->status = NT_STATUS_NONE_MAPPED;
 747                 else if (mapped_count != num_entries)
 748                         r_u->status = STATUS_SOME_UNMAPPED;
 749         }
 750         init_reply_lookup_names(r_u, ref, num_entries, rids, mapped_count);
 751
 752         return r_u->status;
 753 }
 754
 755 /***************************************************************************
 756  _lsa_close. Also weird - needs to check if lsa handle is correct. JRA.
 757  ***************************************************************************/
 758
 759 NTSTATUS _lsa_close(pipes_struct *p, LSA_Q_CLOSE *q_u, LSA_R_CLOSE *r_u)
 760 {
 761         if (!find_policy_by_hnd(p, &q_u->pol, NULL))
 762                 return NT_STATUS_INVALID_HANDLE;
 763
 764         close_policy_hnd(p, &q_u->pol);
 765         return NT_STATUS_OK;
 766 }
 767
 768 /***************************************************************************
 769  ***************************************************************************/
 770
 771 NTSTATUS _lsa_open_secret(pipes_struct *p, LSA_Q_OPEN_SECRET *q_u, LSA_R_OPEN_SECRET *r_u)
 772 {
 773         return NT_STATUS_OBJECT_NAME_NOT_FOUND;
 774 }
 775
 776 /***************************************************************************
 777  ***************************************************************************/
 778
 779 NTSTATUS _lsa_open_trusted_domain(pipes_struct *p, LSA_Q_OPEN_TRUSTED_DOMAIN *q_u, LSA_R_OPEN_TRUSTED_DOMAIN *r_u)
 780 {
 781         return NT_STATUS_OBJECT_NAME_NOT_FOUND;
 782 }
 783
 784 /***************************************************************************
 785  ***************************************************************************/
 786
 787 NTSTATUS _lsa_create_trusted_domain(pipes_struct *p, LSA_Q_CREATE_TRUSTED_DOMAIN *q_u, LSA_R_CREATE_TRUSTED_DOMAIN *r_u)
 788 {
 789         return NT_STATUS_ACCESS_DENIED;
 790 }
 791
 792 /***************************************************************************
 793  ***************************************************************************/
 794
 795 NTSTATUS _lsa_create_secret(pipes_struct *p, LSA_Q_CREATE_SECRET *q_u, LSA_R_CREATE_SECRET *r_u)
 796 {
 797         return NT_STATUS_ACCESS_DENIED;
 798 }
 799
 800 /***************************************************************************
 801  ***************************************************************************/
 802
 803 NTSTATUS _lsa_set_secret(pipes_struct *p, LSA_Q_SET_SECRET *q_u, LSA_R_SET_SECRET *r_u)
 804 {
 805         return NT_STATUS_ACCESS_DENIED;
 806 }
 807
 808 /***************************************************************************
 809  ***************************************************************************/
 810
 811 NTSTATUS _lsa_delete_object(pipes_struct *p, LSA_Q_DELETE_OBJECT *q_u, LSA_R_DELETE_OBJECT *r_u)
 812 {
 813         return NT_STATUS_ACCESS_DENIED;
 814 }
 815
 816 /***************************************************************************
 817 _lsa_enum_privs.
 818  ***************************************************************************/
 819
 820 NTSTATUS _lsa_enum_privs(pipes_struct *p, LSA_Q_ENUM_PRIVS *q_u, LSA_R_ENUM_PRIVS *r_u)
 821 {
 822         struct lsa_info *handle;
 823         uint32 i;
 824         uint32 enum_context = q_u->enum_context;
 825         int num_privs = count_all_privileges();
 826         LSA_PRIV_ENTRY *entries = NULL;
 827         LUID_ATTR luid;
 828
 829         /* remember that the enum_context starts at 0 and not 1 */
 830
 831         if ( enum_context >= num_privs )
 832                 return NT_STATUS_NO_MORE_ENTRIES;
 833
 834         DEBUG(10,("_lsa_enum_privs: enum_context:%d total entries:%d\n",
 835                 enum_context, num_privs));
 836
 837         if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&handle))
 838                 return NT_STATUS_INVALID_HANDLE;
 839
 840         /* check if the user have enough rights
 841            I don't know if it's the right one. not documented.  */
 842
 843         if (!(handle->access & POLICY_VIEW_LOCAL_INFORMATION))
 844                 return NT_STATUS_ACCESS_DENIED;
 845
 846         if ( !(entries = TALLOC_ZERO_ARRAY(p->mem_ctx, LSA_PRIV_ENTRY, num_privs )) )
 847                 return NT_STATUS_NO_MEMORY;
 848
 849         for (i = 0; i < num_privs; i++) {
 850                 if( i < enum_context) {
 851                         init_unistr2(&entries[i].name, NULL, UNI_FLAGS_NONE);
 852                         init_uni_hdr(&entries[i].hdr_name, &entries[i].name);
 853
 854                         entries[i].luid_low = 0;
 855                         entries[i].luid_high = 0;
 856                 } else {
 857                         init_unistr2(&entries[i].name, privs[i].name, UNI_FLAGS_NONE);
 858                         init_uni_hdr(&entries[i].hdr_name, &entries[i].name);
 859
 860                         luid = get_privilege_luid( &privs[i].se_priv );
 861
 862                         entries[i].luid_low = luid.luid.low;
 863                         entries[i].luid_high = luid.luid.high;
 864                 }
 865         }
 866
 867         enum_context = num_privs;
 868
 869         init_lsa_r_enum_privs(r_u, enum_context, num_privs, entries);
 870
 871         return NT_STATUS_OK;
 872 }
 873
 874 /***************************************************************************
 875 _lsa_priv_get_dispname.
 876  ***************************************************************************/
 877
 878 NTSTATUS _lsa_priv_get_dispname(pipes_struct *p, LSA_Q_PRIV_GET_DISPNAME *q_u, LSA_R_PRIV_GET_DISPNAME *r_u)
 879 {
 880         struct lsa_info *handle;
 881         fstring name_asc;
 882         const char *description;
 883
 884         if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&handle))
 885                 return NT_STATUS_INVALID_HANDLE;
 886
 887         /* check if the user have enough rights */
 888
 889         /*
 890          * I don't know if it's the right one. not documented.
 891          */
 892         if (!(handle->access & POLICY_VIEW_LOCAL_INFORMATION))
 893                 return NT_STATUS_ACCESS_DENIED;
 894
 895         unistr2_to_ascii(name_asc, &q_u->name, sizeof(name_asc));
 896
 897         DEBUG(10,("_lsa_priv_get_dispname: name = %s\n", name_asc));
 898
 899         description = get_privilege_dispname( name_asc );
 900
 901         if ( description ) {
 902                 DEBUG(10,("_lsa_priv_get_dispname: display name = %s\n", description));
 903
 904                 init_unistr2(&r_u->desc, description, UNI_FLAGS_NONE);
 905                 init_uni_hdr(&r_u->hdr_desc, &r_u->desc);
 906
 907                 r_u->ptr_info = 0xdeadbeef;
 908                 r_u->lang_id = q_u->lang_id;
 909
 910                 return NT_STATUS_OK;
 911         } else {
 912                 DEBUG(10,("_lsa_priv_get_dispname: doesn't exist\n"));
 913
 914                 r_u->ptr_info = 0;
 915
 916                 return NT_STATUS_NO_SUCH_PRIVILEGE;
 917         }
 918 }
 919
 920 /***************************************************************************
 921 _lsa_enum_accounts.
 922  ***************************************************************************/
 923
 924 NTSTATUS _lsa_enum_accounts(pipes_struct *p, LSA_Q_ENUM_ACCOUNTS *q_u, LSA_R_ENUM_ACCOUNTS *r_u)
 925 {
 926         struct lsa_info *handle;
 927         DOM_SID *sid_list;
 928         int i, j, num_entries;
 929         LSA_SID_ENUM *sids=&r_u->sids;
 930         NTSTATUS ret;
 931
 932         if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&handle))
 933                 return NT_STATUS_INVALID_HANDLE;
 934
 935         if (!(handle->access & POLICY_VIEW_LOCAL_INFORMATION))
 936                 return NT_STATUS_ACCESS_DENIED;
 937
 938         sid_list = NULL;
 939         num_entries = 0;
 940
 941         /* The only way we can currently find out all the SIDs that have been
 942            privileged is to scan all privileges */
 943
 944         if (!NT_STATUS_IS_OK(ret = privilege_enumerate_accounts(&sid_list, &num_entries))) {
 945                 return ret;
 946         }
 947
 948         if (q_u->enum_context >= num_entries)
 949                 return NT_STATUS_NO_MORE_ENTRIES;
 950
 951         sids->ptr_sid = TALLOC_ZERO_ARRAY(p->mem_ctx, uint32, num_entries-q_u->enum_context);
 952         sids->sid = TALLOC_ZERO_ARRAY(p->mem_ctx, DOM_SID2, num_entries-q_u->enum_context);
 953
 954         if (sids->ptr_sid==NULL || sids->sid==NULL) {
 955                 SAFE_FREE(sid_list);
 956                 return NT_STATUS_NO_MEMORY;
 957         }
 958
 959         for (i = q_u->enum_context, j = 0; i < num_entries; i++, j++) {
 960                 init_dom_sid2(&(*sids).sid[j], &sid_list[i]);
 961                 (*sids).ptr_sid[j] = 1;
 962         }
 963
 964         SAFE_FREE(sid_list);
 965
 966         init_lsa_r_enum_accounts(r_u, num_entries);
 967
 968         return NT_STATUS_OK;
 969 }
 970
 971
 972 NTSTATUS _lsa_unk_get_connuser(pipes_struct *p, LSA_Q_UNK_GET_CONNUSER *q_u, LSA_R_UNK_GET_CONNUSER *r_u)
 973 {
 974         fstring username, domname;
 975         user_struct *vuser = get_valid_user_struct(p->vuid);
 976
 977         if (vuser == NULL)
 978                 return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
 979
 980         fstrcpy(username, vuser->user.smb_name);
 981         fstrcpy(domname, vuser->user.domain);
 982
 983         r_u->ptr_user_name = 1;
 984         init_unistr2(&r_u->uni2_user_name, username, UNI_STR_TERMINATE);
 985         init_uni_hdr(&r_u->hdr_user_name, &r_u->uni2_user_name);
 986
 987         r_u->unk1 = 1;
 988
 989         r_u->ptr_dom_name = 1;
 990         init_unistr2(&r_u->uni2_dom_name, domname,  UNI_STR_TERMINATE);
 991         init_uni_hdr(&r_u->hdr_dom_name, &r_u->uni2_dom_name);
 992
 993         r_u->status = NT_STATUS_OK;
 994
 995         return r_u->status;
 996 }
 997
 998 /***************************************************************************
 999  Lsa Create Account
1000  ***************************************************************************/
1001
1002 NTSTATUS _lsa_create_account(pipes_struct *p, LSA_Q_CREATEACCOUNT *q_u, LSA_R_CREATEACCOUNT *r_u)
1003 {
1004         struct lsa_info *handle;
1005         struct lsa_info *info;
1006
1007         /* find the connection policy handle. */
1008         if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&handle))
1009                 return NT_STATUS_INVALID_HANDLE;
1010
1011         /* check if the user have enough rights */
1012
1013         /*
1014          * I don't know if it's the right one. not documented.
1015          * but guessed with rpcclient.
1016          */
1017         if (!(handle->access & POLICY_GET_PRIVATE_INFORMATION))
1018                 return NT_STATUS_ACCESS_DENIED;
1019
1020         /* check to see if the pipe_user is a Domain Admin since
1021            account_pol.tdb was already opened as root, this is all we have */
1022
1023         if ( !nt_token_check_domain_rid( p->pipe_user.nt_user_token, DOMAIN_GROUP_RID_ADMINS ) )
1024                 return NT_STATUS_ACCESS_DENIED;
1025
1026         if ( is_privileged_sid( &q_u->sid.sid ) )
1027                 return NT_STATUS_OBJECT_NAME_COLLISION;
1028
1029         /* associate the user/group SID with the (unique) handle. */
1030
1031         if ((info = SMB_MALLOC_P(struct lsa_info)) == NULL)
1032                 return NT_STATUS_NO_MEMORY;
1033
1034         ZERO_STRUCTP(info);
1035         info->sid = q_u->sid.sid;
1036         info->access = q_u->access;
1037
1038         /* get a (unique) handle.  open a policy on it. */
1039         if (!create_policy_hnd(p, &r_u->pol, free_lsa_info, (void *)info))
1040                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
1041
1042         return privilege_create_account( &info->sid );
1043 }
1044
1045
1046 /***************************************************************************
1047  Lsa Open Account
1048  ***************************************************************************/
1049
1050 NTSTATUS _lsa_open_account(pipes_struct *p, LSA_Q_OPENACCOUNT *q_u, LSA_R_OPENACCOUNT *r_u)
1051 {
1052         struct lsa_info *handle;
1053         struct lsa_info *info;
1054
1055         /* find the connection policy handle. */
1056         if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&handle))
1057                 return NT_STATUS_INVALID_HANDLE;
1058
1059         /* check if the user have enough rights */
1060
1061         /*
1062          * I don't know if it's the right one. not documented.
1063          * but guessed with rpcclient.
1064          */
1065         if (!(handle->access & POLICY_GET_PRIVATE_INFORMATION))
1066                 return NT_STATUS_ACCESS_DENIED;
1067
1068         /* TODO: Fis the parsing routine before reenabling this check! */
1069         #if 0
1070         if (!lookup_sid(&handle->sid, dom_name, name, &type))
1071                 return NT_STATUS_ACCESS_DENIED;
1072         #endif
1073         /* associate the user/group SID with the (unique) handle. */
1074         if ((info = SMB_MALLOC_P(struct lsa_info)) == NULL)
1075                 return NT_STATUS_NO_MEMORY;
1076
1077         ZERO_STRUCTP(info);
1078         info->sid = q_u->sid.sid;
1079         info->access = q_u->access;
1080
1081         /* get a (unique) handle.  open a policy on it. */
1082         if (!create_policy_hnd(p, &r_u->pol, free_lsa_info, (void *)info))
1083                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
1084
1085         return NT_STATUS_OK;
1086 }
1087
1088 /***************************************************************************
1089  For a given SID, enumerate all the privilege this account has.
1090  ***************************************************************************/
1091
1092 NTSTATUS _lsa_enum_privsaccount(pipes_struct *p, prs_struct *ps, LSA_Q_ENUMPRIVSACCOUNT *q_u, LSA_R_ENUMPRIVSACCOUNT *r_u)
1093 {
1094         struct lsa_info *info=NULL;
1095         SE_PRIV mask;
1096         PRIVILEGE_SET privileges;
1097
1098         /* find the connection policy handle. */
1099         if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&info))
1100                 return NT_STATUS_INVALID_HANDLE;
1101
1102         if ( !get_privileges_for_sids( &mask, &info->sid, 1 ) )
1103                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
1104
1105         privilege_set_init( &privileges );
1106
1107         if ( se_priv_to_privilege_set( &privileges, &mask ) ) {
1108
1109                 DEBUG(10,("_lsa_enum_privsaccount: %s has %d privileges\n",
1110                         sid_string_static(&info->sid), privileges.count));
1111
1112                 r_u->status = init_lsa_r_enum_privsaccount(ps->mem_ctx, r_u, privileges.set, privileges.count, 0);
1113         }
1114         else
1115                 r_u->status = NT_STATUS_NO_SUCH_PRIVILEGE;
1116
1117         privilege_set_free( &privileges );
1118
1119         return r_u->status;
1120 }
1121
1122 /***************************************************************************
1123
1124  ***************************************************************************/
1125
1126 NTSTATUS _lsa_getsystemaccount(pipes_struct *p, LSA_Q_GETSYSTEMACCOUNT *q_u, LSA_R_GETSYSTEMACCOUNT *r_u)
1127 {
1128         struct lsa_info *info=NULL;
1129
1130         /* find the connection policy handle. */
1131
1132         if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&info))
1133                 return NT_STATUS_INVALID_HANDLE;
1134
1135         if (!lookup_sid(p->mem_ctx, &info->sid, NULL, NULL, NULL))
1136                 return NT_STATUS_ACCESS_DENIED;
1137
1138         /*
1139           0x01 -> Log on locally
1140           0x02 -> Access this computer from network
1141           0x04 -> Log on as a batch job
1142           0x10 -> Log on as a service
1143
1144           they can be ORed together
1145         */
1146
1147         r_u->access = PR_LOG_ON_LOCALLY | PR_ACCESS_FROM_NETWORK;
1148
1149         return NT_STATUS_OK;
1150 }
1151
1152 /***************************************************************************
1153   update the systemaccount information
1154  ***************************************************************************/
1155
1156 NTSTATUS _lsa_setsystemaccount(pipes_struct *p, LSA_Q_SETSYSTEMACCOUNT *q_u, LSA_R_SETSYSTEMACCOUNT *r_u)
1157 {
1158         struct lsa_info *info=NULL;
1159         GROUP_MAP map;
1160         r_u->status = NT_STATUS_OK;
1161
1162         /* find the connection policy handle. */
1163         if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&info))
1164                 return NT_STATUS_INVALID_HANDLE;
1165
1166         /* check to see if the pipe_user is a Domain Admin since
1167            account_pol.tdb was already opened as root, this is all we have */
1168
1169         if ( !nt_token_check_domain_rid( p->pipe_user.nt_user_token, DOMAIN_GROUP_RID_ADMINS ) )
1170                 return NT_STATUS_ACCESS_DENIED;
1171
1172         if (!pdb_getgrsid(&map, info->sid))
1173                 return NT_STATUS_NO_SUCH_GROUP;
1174
1175         if(!pdb_update_group_mapping_entry(&map))
1176                 return NT_STATUS_NO_SUCH_GROUP;
1177
1178         return r_u->status;
1179 }
1180
1181 /***************************************************************************
1182  For a given SID, add some privileges.
1183  ***************************************************************************/
1184
1185 NTSTATUS _lsa_addprivs(pipes_struct *p, LSA_Q_ADDPRIVS *q_u, LSA_R_ADDPRIVS *r_u)
1186 {
1187         struct lsa_info *info = NULL;
1188         SE_PRIV mask;
1189         PRIVILEGE_SET *set = NULL;
1190         struct current_user user;
1191
1192         /* find the connection policy handle. */
1193         if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&info))
1194                 return NT_STATUS_INVALID_HANDLE;
1195
1196         /* check to see if the pipe_user is root or a Domain Admin since
1197            account_pol.tdb was already opened as root, this is all we have */
1198
1199         get_current_user( &user, p );
1200         if ( user.uid != sec_initial_uid()
1201                 && !nt_token_check_domain_rid( p->pipe_user.nt_user_token, DOMAIN_GROUP_RID_ADMINS ) )
1202         {
1203                 return NT_STATUS_ACCESS_DENIED;
1204         }
1205
1206         set = &q_u->set;
1207
1208         if ( !privilege_set_to_se_priv( &mask, set ) )
1209                 return NT_STATUS_NO_SUCH_PRIVILEGE;
1210
1211         if ( !grant_privilege( &info->sid, &mask ) ) {
1212                 DEBUG(3,("_lsa_addprivs: grant_privilege(%s) failed!\n",
1213                         sid_string_static(&info->sid) ));
1214                 DEBUG(3,("Privilege mask:\n"));
1215                 dump_se_priv( DBGC_ALL, 3, &mask );
1216                 return NT_STATUS_NO_SUCH_PRIVILEGE;
1217         }
1218
1219         return NT_STATUS_OK;
1220 }
1221
1222 /***************************************************************************
1223  For a given SID, remove some privileges.
1224  ***************************************************************************/
1225
1226 NTSTATUS _lsa_removeprivs(pipes_struct *p, LSA_Q_REMOVEPRIVS *q_u, LSA_R_REMOVEPRIVS *r_u)
1227 {
1228         struct lsa_info *info = NULL;
1229         SE_PRIV mask;
1230         PRIVILEGE_SET *set = NULL;
1231         struct current_user user;
1232
1233         /* find the connection policy handle. */
1234         if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&info))
1235                 return NT_STATUS_INVALID_HANDLE;
1236
1237         /* check to see if the pipe_user is root or a Domain Admin since
1238            account_pol.tdb was already opened as root, this is all we have */
1239
1240         get_current_user( &user, p );
1241         if ( user.uid != sec_initial_uid()
1242                 && !nt_token_check_domain_rid( p->pipe_user.nt_user_token, DOMAIN_GROUP_RID_ADMINS ) )
1243         {
1244                 return NT_STATUS_ACCESS_DENIED;
1245         }
1246
1247         set = &q_u->set;
1248
1249         if ( !privilege_set_to_se_priv( &mask, set ) )
1250                 return NT_STATUS_NO_SUCH_PRIVILEGE;
1251
1252         if ( !revoke_privilege( &info->sid, &mask ) ) {
1253                 DEBUG(3,("_lsa_removeprivs: revoke_privilege(%s) failed!\n",
1254                         sid_string_static(&info->sid) ));
1255                 DEBUG(3,("Privilege mask:\n"));
1256                 dump_se_priv( DBGC_ALL, 3, &mask );
1257                 return NT_STATUS_NO_SUCH_PRIVILEGE;
1258         }
1259
1260         return NT_STATUS_OK;
1261 }
1262
1263 /***************************************************************************
1264  For a given SID, remove some privileges.
1265  ***************************************************************************/
1266
1267 NTSTATUS _lsa_query_secobj(pipes_struct *p, LSA_Q_QUERY_SEC_OBJ *q_u, LSA_R_QUERY_SEC_OBJ *r_u)
1268 {
1269         struct lsa_info *handle=NULL;
1270         SEC_DESC *psd = NULL;
1271         size_t sd_size;
1272         NTSTATUS status;
1273
1274         r_u->status = NT_STATUS_OK;
1275
1276         /* find the connection policy handle. */
1277         if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&handle))
1278                 return NT_STATUS_INVALID_HANDLE;
1279
1280         /* check if the user have enough rights */
1281         if (!(handle->access & POLICY_VIEW_LOCAL_INFORMATION))
1282                 return NT_STATUS_ACCESS_DENIED;
1283
1284
1285         switch (q_u->sec_info) {
1286         case 1:
1287                 /* SD contains only the owner */
1288
1289                 status=lsa_get_generic_sd(p->mem_ctx, &psd, &sd_size);
1290                 if(!NT_STATUS_IS_OK(status))
1291                         return NT_STATUS_NO_MEMORY;
1292
1293
1294                 if((r_u->buf = make_sec_desc_buf(p->mem_ctx, sd_size, psd)) == NULL)
1295                         return NT_STATUS_NO_MEMORY;
1296                 break;
1297         case 4:
1298                 /* SD contains only the ACL */
1299
1300                 status=lsa_get_generic_sd(p->mem_ctx, &psd, &sd_size);
1301                 if(!NT_STATUS_IS_OK(status))
1302                         return NT_STATUS_NO_MEMORY;
1303
1304                 if((r_u->buf = make_sec_desc_buf(p->mem_ctx, sd_size, psd)) == NULL)
1305                         return NT_STATUS_NO_MEMORY;
1306                 break;
1307         default:
1308                 return NT_STATUS_INVALID_LEVEL;
1309         }
1310
1311         r_u->ptr=1;
1312
1313         return r_u->status;
1314 }
1315
1316 #if 0   /* AD DC work in ongoing in Samba 4 */
1317
1318 /***************************************************************************
1319  ***************************************************************************/
1320
1321 NTSTATUS _lsa_query_info2(pipes_struct *p, LSA_Q_QUERY_INFO2 *q_u, LSA_R_QUERY_INFO2 *r_u)
1322 {
1323         struct lsa_info *handle;
1324         const char *nb_name;
1325         char *dns_name = NULL;
1326         char *forest_name = NULL;
1327         DOM_SID *sid = NULL;
1328         struct uuid guid;
1329         fstring dnsdomname;
1330
1331         ZERO_STRUCT(guid);
1332         r_u->status = NT_STATUS_OK;
1333
1334         if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&handle))
1335                 return NT_STATUS_INVALID_HANDLE;
1336
1337         switch (q_u->info_class) {
1338         case 0x0c:
1339                 /* check if the user have enough rights */
1340                 if (!(handle->access & POLICY_VIEW_LOCAL_INFORMATION))
1341                         return NT_STATUS_ACCESS_DENIED;
1342
1343                 /* Request PolicyPrimaryDomainInformation. */
1344                 switch (lp_server_role()) {
1345                         case ROLE_DOMAIN_PDC:
1346                         case ROLE_DOMAIN_BDC:
1347                                 nb_name = get_global_sam_name();
1348                                 /* ugly temp hack for these next two */
1349
1350                                 /* This should be a 'netbios domain -> DNS domain' mapping */
1351                                 dnsdomname[0] = '\0';
1352                                 get_mydnsdomname(dnsdomname);
1353                                 strlower_m(dnsdomname);
1354
1355                                 dns_name = dnsdomname;
1356                                 forest_name = dnsdomname;
1357
1358                                 sid = get_global_sam_sid();
1359                                 secrets_fetch_domain_guid(lp_workgroup(), &guid);
1360                                 break;
1361                         default:
1362                                 return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
1363                 }
1364                 init_dns_dom_info(&r_u->info.dns_dom_info, nb_name, dns_name,
1365                                   forest_name,&guid,sid);
1366                 break;
1367         default:
1368                 DEBUG(0,("_lsa_query_info2: unknown info level in Lsa Query: %d\n", q_u->info_class));
1369                 r_u->status = NT_STATUS_INVALID_INFO_CLASS;
1370                 break;
1371         }
1372
1373         if (NT_STATUS_IS_OK(r_u->status)) {
1374                 r_u->ptr = 0x1;
1375                 r_u->info_class = q_u->info_class;
1376         }
1377
1378         return r_u->status;
1379 }
1380 #endif  /* AD DC work in ongoing in Samba 4 */
1381
1382 /***************************************************************************
1383  ***************************************************************************/
1384
1385 NTSTATUS _lsa_add_acct_rights(pipes_struct *p, LSA_Q_ADD_ACCT_RIGHTS *q_u, LSA_R_ADD_ACCT_RIGHTS *r_u)
1386 {
1387         struct lsa_info *info = NULL;
1388         int i = 0;
1389         DOM_SID sid;
1390         fstring privname;
1391         UNISTR4_ARRAY *uni_privnames = q_u->rights;
1392         struct current_user user;
1393
1394
1395         /* find the connection policy handle. */
1396         if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&info))
1397                 return NT_STATUS_INVALID_HANDLE;
1398
1399         /* check to see if the pipe_user is a Domain Admin since
1400            account_pol.tdb was already opened as root, this is all we have */
1401
1402         get_current_user( &user, p );
1403         if ( user.uid != sec_initial_uid()
1404                 && !nt_token_check_domain_rid( p->pipe_user.nt_user_token, DOMAIN_GROUP_RID_ADMINS ) )
1405         {
1406                 return NT_STATUS_ACCESS_DENIED;
1407         }
1408
1409         /* according to an NT4 PDC, you can add privileges to SIDs even without
1410            call_lsa_create_account() first.  And you can use any arbitrary SID. */
1411
1412         sid_copy( &sid, &q_u->sid.sid );
1413
1414         /* just a little sanity check */
1415
1416         if ( q_u->count != uni_privnames->count ) {
1417                 DEBUG(0,("_lsa_add_acct_rights: count != number of UNISTR2 elements!\n"));
1418                 return NT_STATUS_INVALID_HANDLE;
1419         }
1420
1421         for ( i=0; i<q_u->count; i++ ) {
1422                 UNISTR4 *uni4_str = &uni_privnames->strings[i];
1423
1424                 /* only try to add non-null strings */
1425
1426                 if ( !uni4_str->string )
1427                         continue;
1428
1429                 rpcstr_pull( privname, uni4_str->string->buffer, sizeof(privname), -1, STR_TERMINATE );
1430
1431                 if ( !grant_privilege_by_name( &sid, privname ) ) {
1432                         DEBUG(2,("_lsa_add_acct_rights: Failed to add privilege [%s]\n", privname ));
1433                         return NT_STATUS_NO_SUCH_PRIVILEGE;
1434                 }
1435         }
1436
1437         return NT_STATUS_OK;
1438 }
1439
1440 /***************************************************************************
1441  ***************************************************************************/
1442
1443 NTSTATUS _lsa_remove_acct_rights(pipes_struct *p, LSA_Q_REMOVE_ACCT_RIGHTS *q_u, LSA_R_REMOVE_ACCT_RIGHTS *r_u)
1444 {
1445         struct lsa_info *info = NULL;
1446         int i = 0;
1447         DOM_SID sid;
1448         fstring privname;
1449         UNISTR4_ARRAY *uni_privnames = q_u->rights;
1450         struct current_user user;
1451
1452
1453         /* find the connection policy handle. */
1454         if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&info))
1455                 return NT_STATUS_INVALID_HANDLE;
1456
1457         /* check to see if the pipe_user is a Domain Admin since
1458            account_pol.tdb was already opened as root, this is all we have */
1459
1460         get_current_user( &user, p );
1461         if ( user.uid != sec_initial_uid()
1462                 && !nt_token_check_domain_rid( p->pipe_user.nt_user_token, DOMAIN_GROUP_RID_ADMINS ) )
1463         {
1464                 return NT_STATUS_ACCESS_DENIED;
1465         }
1466
1467         sid_copy( &sid, &q_u->sid.sid );
1468
1469         if ( q_u->removeall ) {
1470                 if ( !revoke_all_privileges( &sid ) )
1471                         return NT_STATUS_ACCESS_DENIED;
1472
1473                 return NT_STATUS_OK;
1474         }
1475
1476         /* just a little sanity check */
1477
1478         if ( q_u->count != uni_privnames->count ) {
1479                 DEBUG(0,("_lsa_add_acct_rights: count != number of UNISTR2 elements!\n"));
1480                 return NT_STATUS_INVALID_HANDLE;
1481         }
1482
1483         for ( i=0; i<q_u->count; i++ ) {
1484                 UNISTR4 *uni4_str = &uni_privnames->strings[i];
1485
1486                 /* only try to add non-null strings */
1487
1488                 if ( !uni4_str->string )
1489                         continue;
1490
1491                 rpcstr_pull( privname, uni4_str->string->buffer, sizeof(privname), -1, STR_TERMINATE );
1492
1493                 if ( !revoke_privilege_by_name( &sid, privname ) ) {
1494                         DEBUG(2,("_lsa_remove_acct_rights: Failed to revoke privilege [%s]\n", privname ));
1495                         return NT_STATUS_NO_SUCH_PRIVILEGE;
1496                 }
1497         }
1498
1499         return NT_STATUS_OK;
1500 }
1501
1502
1503 /***************************************************************************
1504  ***************************************************************************/
1505
1506 NTSTATUS _lsa_enum_acct_rights(pipes_struct *p, LSA_Q_ENUM_ACCT_RIGHTS *q_u, LSA_R_ENUM_ACCT_RIGHTS *r_u)
1507 {
1508         struct lsa_info *info = NULL;
1509         DOM_SID sid;
1510         PRIVILEGE_SET privileges;
1511         SE_PRIV mask;
1512
1513
1514         /* find the connection policy handle. */
1515
1516         if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&info))
1517                 return NT_STATUS_INVALID_HANDLE;
1518
1519         /* according to an NT4 PDC, you can add privileges to SIDs even without
1520            call_lsa_create_account() first.  And you can use any arbitrary SID. */
1521
1522         sid_copy( &sid, &q_u->sid.sid );
1523
1524         if ( !get_privileges_for_sids( &mask, &sid, 1 ) )
1525                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
1526
1527         privilege_set_init( &privileges );
1528
1529         if ( se_priv_to_privilege_set( &privileges, &mask ) ) {
1530
1531                 DEBUG(10,("_lsa_enum_acct_rights: %s has %d privileges\n",
1532                         sid_string_static(&sid), privileges.count));
1533
1534                 r_u->status = init_r_enum_acct_rights( r_u, &privileges );
1535         }
1536         else
1537                 r_u->status = NT_STATUS_NO_SUCH_PRIVILEGE;
1538
1539         privilege_set_free( &privileges );
1540
1541         return r_u->status;
1542 }
1543
1544
1545 /***************************************************************************
1546  ***************************************************************************/
1547
1548 NTSTATUS _lsa_lookup_priv_value(pipes_struct *p, LSA_Q_LOOKUP_PRIV_VALUE *q_u, LSA_R_LOOKUP_PRIV_VALUE *r_u)
1549 {
1550         struct lsa_info *info = NULL;
1551         fstring name;
1552         LUID_ATTR priv_luid;
1553         SE_PRIV mask;
1554
1555         /* find the connection policy handle. */
1556
1557         if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&info))
1558                 return NT_STATUS_INVALID_HANDLE;
1559
1560         unistr2_to_ascii(name, &q_u->privname.unistring, sizeof(name));
1561
1562         DEBUG(10,("_lsa_lookup_priv_value: name = %s\n", name));
1563
1564         if ( !se_priv_from_name( name, &mask ) )
1565                 return NT_STATUS_NO_SUCH_PRIVILEGE;
1566
1567         priv_luid = get_privilege_luid( &mask );
1568
1569         r_u->luid.low  = priv_luid.luid.low;
1570         r_u->luid.high = priv_luid.luid.high;
1571
1572
1573         return NT_STATUS_OK;
1574 }
1575