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