source/rpc_server/srv_lsa_nt.c

   1 /*
   2  *  Unix SMB/CIFS implementation.
   3  *  RPC Pipe client / server routines
   4  *  Copyright (C) Andrew Tridgell              1992-1997,
   5  *  Copyright (C) Luke Kenneth Casson Leighton 1996-1997,
   6  *  Copyright (C) Paul Ashton                       1997,
   7  *  Copyright (C) Jeremy Allison                    2001, 2006.
   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  *  Copyright (C) Volker Lendecke                   2005.
  13  *
  14  *  This program is free software; you can redistribute it and/or modify
  15  *  it under the terms of the GNU General Public License as published by
  16  *  the Free Software Foundation; either version 2 of the License, or
  17  *  (at your option) any later version.
  18  *
  19  *  This program is distributed in the hope that it will be useful,
  20  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  21  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  22  *  GNU General Public License for more details.
  23  *
  24  *  You should have received a copy of the GNU General Public License
  25  *  along with this program; if not, write to the Free Software
  26  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  27  */
  28
  29 /* This is the implementation of the lsa server code. */
  30
  31 #include "includes.h"
  32
  33 #undef DBGC_CLASS
  34 #define DBGC_CLASS DBGC_RPC_SRV
  35
  36 extern PRIVS privs[];
  37
  38 struct lsa_info {
  39         DOM_SID sid;
  40         uint32 access;
  41 };
  42
  43 struct generic_mapping lsa_generic_mapping = {
  44         POLICY_READ,
  45         POLICY_WRITE,
  46         POLICY_EXECUTE,
  47         POLICY_ALL_ACCESS
  48 };
  49
  50 /*******************************************************************
  51  Function to free the per handle data.
  52  ********************************************************************/
  53
  54 static void free_lsa_info(void *ptr)
  55 {
  56         struct lsa_info *lsa = (struct lsa_info *)ptr;
  57
  58         SAFE_FREE(lsa);
  59 }
  60
  61 /***************************************************************************
  62 Init dom_query
  63  ***************************************************************************/
  64
  65 static void init_dom_query_3(DOM_QUERY_3 *d_q, const char *dom_name, DOM_SID *dom_sid)
  66 {
  67         d_q->buffer_dom_name = (dom_name != NULL) ? 1 : 0; /* domain buffer pointer */
  68         d_q->buffer_dom_sid = (dom_sid != NULL) ? 1 : 0;  /* domain sid pointer */
  69
  70         /* this string is supposed to be non-null terminated. */
  71         /* But the maxlen in this UNISTR2 must include the terminating null. */
  72         init_unistr2(&d_q->uni_domain_name, dom_name, UNI_BROKEN_NON_NULL);
  73
  74         /*
  75          * I'm not sure why this really odd combination of length
  76          * values works, but it does appear to. I need to look at
  77          * this *much* more closely - but at the moment leave alone
  78          * until it's understood. This allows a W2k client to join
  79          * a domain with both odd and even length names... JRA.
  80          */
  81
  82         /*
  83          * IMPORTANT NOTE !!!!
  84          * The two fields below probably are reversed in meaning, ie.
  85          * the first field is probably the str_len, the second the max
  86          * len. Both are measured in bytes anyway.
  87          */
  88
  89         d_q->uni_dom_str_len = d_q->uni_domain_name.uni_max_len * 2;
  90         d_q->uni_dom_max_len = d_q->uni_domain_name.uni_str_len * 2;
  91
  92         if (dom_sid != NULL)
  93                 init_dom_sid2(&d_q->dom_sid, dom_sid);
  94 }
  95
  96 /***************************************************************************
  97 Init dom_query
  98  ***************************************************************************/
  99
 100 static void init_dom_query_5(DOM_QUERY_5 *d_q, const char *dom_name, DOM_SID *dom_sid)
 101 {
 102         init_dom_query_3(d_q, dom_name, dom_sid);
 103 }
 104
 105 /***************************************************************************
 106  init_dom_ref - adds a domain if it's not already in, returns the index.
 107 ***************************************************************************/
 108
 109 static int init_dom_ref(DOM_R_REF *ref, const char *dom_name, DOM_SID *dom_sid)
 110 {
 111         int num = 0;
 112
 113         if (dom_name != NULL) {
 114                 for (num = 0; num < ref->num_ref_doms_1; num++) {
 115                         if (sid_equal(dom_sid, &ref->ref_dom[num].ref_dom.sid))
 116                                 return num;
 117                 }
 118         } else {
 119                 num = ref->num_ref_doms_1;
 120         }
 121
 122         if (num >= MAX_REF_DOMAINS) {
 123                 /* index not found, already at maximum domain limit */
 124                 return -1;
 125         }
 126
 127         ref->num_ref_doms_1 = num+1;
 128         ref->ptr_ref_dom  = 1;
 129         ref->max_entries = MAX_REF_DOMAINS;
 130         ref->num_ref_doms_2 = num+1;
 131
 132         ref->hdr_ref_dom[num].ptr_dom_sid = 1; /* dom sid cannot be NULL. */
 133
 134         init_unistr2(&ref->ref_dom[num].uni_dom_name, dom_name, UNI_FLAGS_NONE);
 135         init_uni_hdr(&ref->hdr_ref_dom[num].hdr_dom_name, &ref->ref_dom[num].uni_dom_name);
 136
 137         init_dom_sid2(&ref->ref_dom[num].ref_dom, dom_sid );
 138
 139         return num;
 140 }
 141
 142 /***************************************************************************
 143  lookup_lsa_rids. Must be called as root for lookup_name to work.
 144  ***************************************************************************/
 145
 146 static NTSTATUS lookup_lsa_rids(TALLOC_CTX *mem_ctx,
 147                         DOM_R_REF *ref,
 148                         DOM_RID *prid,
 149                         uint32 num_entries,
 150                         const UNISTR2 *name,
 151                         int flags,
 152                         uint32 *pmapped_count)
 153 {
 154         uint32 mapped_count, i;
 155
 156         SMB_ASSERT(num_entries <= MAX_LOOKUP_SIDS);
 157
 158         mapped_count = 0;
 159         *pmapped_count = 0;
 160
 161         for (i = 0; i < num_entries; i++) {
 162                 DOM_SID sid;
 163                 uint32 rid;
 164                 int dom_idx;
 165                 char *full_name;
 166                 const char *domain;
 167                 enum SID_NAME_USE type = SID_NAME_UNKNOWN;
 168
 169                 /* Split name into domain and user component */
 170
 171                 full_name = rpcstr_pull_unistr2_talloc(mem_ctx, &name[i]);
 172                 if (full_name == NULL) {
 173                         DEBUG(0, ("pull_ucs2_talloc failed\n"));
 174                         return NT_STATUS_NO_MEMORY;
 175                 }
 176
 177                 DEBUG(5, ("lookup_lsa_rids: looking up name %s\n", full_name));
 178
 179                 /* We can ignore the result of lookup_name, it will not touch
 180                    "type" if it's not successful */
 181
 182                 lookup_name(mem_ctx, full_name, flags, &domain, NULL,
 183                             &sid, &type);
 184
 185                 switch (type) {
 186                 case SID_NAME_USER:
 187                 case SID_NAME_DOM_GRP:
 188                 case SID_NAME_DOMAIN:
 189                 case SID_NAME_ALIAS:
 190                 case SID_NAME_WKN_GRP:
 191                         DEBUG(5, ("init_lsa_rids: %s found\n", full_name));
 192                         /* Leave these unchanged */
 193                         break;
 194                 default:
 195                         /* Don't hand out anything but the list above */
 196                         DEBUG(5, ("init_lsa_rids: %s not found\n", full_name));
 197                         type = SID_NAME_UNKNOWN;
 198                         break;
 199                 }
 200
 201                 rid = 0;
 202                 dom_idx = -1;
 203
 204                 if (type != SID_NAME_UNKNOWN) {
 205                         sid_split_rid(&sid, &rid);
 206                         dom_idx = init_dom_ref(ref, domain, &sid);
 207                         mapped_count++;
 208                 }
 209
 210                 init_dom_rid(&prid[i], rid, type, dom_idx);
 211         }
 212
 213         *pmapped_count = mapped_count;
 214         return NT_STATUS_OK;
 215 }
 216
 217 /***************************************************************************
 218  lookup_lsa_sids. Must be called as root for lookup_name to work.
 219  ***************************************************************************/
 220
 221 static NTSTATUS lookup_lsa_sids(TALLOC_CTX *mem_ctx,
 222                         DOM_R_REF *ref,
 223                         LSA_TRANSLATED_SID3 *trans_sids,
 224                         uint32 num_entries,
 225                         const UNISTR2 *name,
 226                         int flags,
 227                         uint32 *pmapped_count)
 228 {
 229         uint32 mapped_count, i;
 230
 231         SMB_ASSERT(num_entries <= MAX_LOOKUP_SIDS);
 232
 233         mapped_count = 0;
 234         *pmapped_count = 0;
 235
 236         for (i = 0; i < num_entries; i++) {
 237                 DOM_SID sid;
 238                 uint32 rid;
 239                 int dom_idx;
 240                 char *full_name;
 241                 const char *domain;
 242                 enum SID_NAME_USE type = SID_NAME_UNKNOWN;
 243
 244                 /* Split name into domain and user component */
 245
 246                 full_name = rpcstr_pull_unistr2_talloc(mem_ctx, &name[i]);
 247                 if (full_name == NULL) {
 248                         DEBUG(0, ("pull_ucs2_talloc failed\n"));
 249                         return NT_STATUS_NO_MEMORY;
 250                 }
 251
 252                 DEBUG(5, ("init_lsa_sids: looking up name %s\n", full_name));
 253
 254                 /* We can ignore the result of lookup_name, it will not touch
 255                    "type" if it's not successful */
 256
 257                 lookup_name(mem_ctx, full_name, flags, &domain, NULL,
 258                             &sid, &type);
 259
 260                 switch (type) {
 261                 case SID_NAME_USER:
 262                 case SID_NAME_DOM_GRP:
 263                 case SID_NAME_DOMAIN:
 264                 case SID_NAME_ALIAS:
 265                 case SID_NAME_WKN_GRP:
 266                         DEBUG(5, ("init_lsa_sids: %s found\n", full_name));
 267                         /* Leave these unchanged */
 268                         break;
 269                 default:
 270                         /* Don't hand out anything but the list above */
 271                         DEBUG(5, ("init_lsa_sids: %s not found\n", full_name));
 272                         type = SID_NAME_UNKNOWN;
 273                         break;
 274                 }
 275
 276                 rid = 0;
 277                 dom_idx = -1;
 278
 279                 if (type != SID_NAME_UNKNOWN) {
 280                         DOM_SID domain_sid;
 281                         sid_copy(&domain_sid, &sid);
 282                         sid_split_rid(&domain_sid, &rid);
 283                         dom_idx = init_dom_ref(ref, domain, &domain_sid);
 284                         mapped_count++;
 285                 }
 286
 287                 /* Initialize the LSA_TRANSLATED_SID3 return. */
 288                 trans_sids[i].sid_type = type;
 289                 trans_sids[i].sid2 = TALLOC_P(mem_ctx, DOM_SID2);
 290                 if (trans_sids[i].sid2 == NULL) {
 291                         return NT_STATUS_NO_MEMORY;
 292                 }
 293                 init_dom_sid2(trans_sids[i].sid2, &sid);
 294                 trans_sids[i].sid_idx = dom_idx;
 295         }
 296
 297         *pmapped_count = mapped_count;
 298         return NT_STATUS_OK;
 299 }
 300
 301 /***************************************************************************
 302  init_reply_lookup_names
 303  ***************************************************************************/
 304
 305 static void init_reply_lookup_names(LSA_R_LOOKUP_NAMES *r_l,
 306                 DOM_R_REF *ref, uint32 num_entries,
 307                 DOM_RID *rid, uint32 mapped_count)
 308 {
 309         r_l->ptr_dom_ref  = 1;
 310         r_l->dom_ref      = ref;
 311
 312         r_l->num_entries  = num_entries;
 313         r_l->ptr_entries  = 1;
 314         r_l->num_entries2 = num_entries;
 315         r_l->dom_rid      = rid;
 316
 317         r_l->mapped_count = mapped_count;
 318 }
 319
 320 /***************************************************************************
 321  init_reply_lookup_names2
 322  ***************************************************************************/
 323
 324 static void init_reply_lookup_names2(LSA_R_LOOKUP_NAMES2 *r_l,
 325                 DOM_R_REF *ref, uint32 num_entries,
 326                 DOM_RID2 *rid, uint32 mapped_count)
 327 {
 328         r_l->ptr_dom_ref  = 1;
 329         r_l->dom_ref      = ref;
 330
 331         r_l->num_entries  = num_entries;
 332         r_l->ptr_entries  = 1;
 333         r_l->num_entries2 = num_entries;
 334         r_l->dom_rid      = rid;
 335
 336         r_l->mapped_count = mapped_count;
 337 }
 338
 339 /***************************************************************************
 340  init_reply_lookup_names3
 341  ***************************************************************************/
 342
 343 static void init_reply_lookup_names3(LSA_R_LOOKUP_NAMES3 *r_l,
 344                 DOM_R_REF *ref, uint32 num_entries,
 345                 LSA_TRANSLATED_SID3 *trans_sids, uint32 mapped_count)
 346 {
 347         r_l->ptr_dom_ref  = 1;
 348         r_l->dom_ref      = ref;
 349
 350         r_l->num_entries  = num_entries;
 351         r_l->ptr_entries  = 1;
 352         r_l->num_entries2 = num_entries;
 353         r_l->trans_sids   = trans_sids;
 354
 355         r_l->mapped_count = mapped_count;
 356 }
 357
 358 /***************************************************************************
 359  init_reply_lookup_names4
 360  ***************************************************************************/
 361
 362 static void init_reply_lookup_names4(LSA_R_LOOKUP_NAMES4 *r_l,
 363                 DOM_R_REF *ref, uint32 num_entries,
 364                 LSA_TRANSLATED_SID3 *trans_sids, uint32 mapped_count)
 365 {
 366         r_l->ptr_dom_ref  = 1;
 367         r_l->dom_ref      = ref;
 368
 369         r_l->num_entries  = num_entries;
 370         r_l->ptr_entries  = 1;
 371         r_l->num_entries2 = num_entries;
 372         r_l->trans_sids   = trans_sids;
 373
 374         r_l->mapped_count = mapped_count;
 375 }
 376
 377 /***************************************************************************
 378  Init_reply_lookup_sids.
 379  ***************************************************************************/
 380
 381 static void init_reply_lookup_sids2(LSA_R_LOOKUP_SIDS2 *r_l,
 382                                 DOM_R_REF *ref,
 383                                 LSA_TRANS_NAME_ENUM2 *names,
 384                                 uint32 mapped_count)
 385 {
 386         r_l->ptr_dom_ref  = ref ? 1 : 0;
 387         r_l->dom_ref      = ref;
 388         r_l->names        = names;
 389         r_l->mapped_count = mapped_count;
 390 }
 391
 392 /***************************************************************************
 393  Init_reply_lookup_sids.
 394  ***************************************************************************/
 395
 396 static void init_reply_lookup_sids3(LSA_R_LOOKUP_SIDS3 *r_l,
 397                                 DOM_R_REF *ref,
 398                                 LSA_TRANS_NAME_ENUM2 *names,
 399                                 uint32 mapped_count)
 400 {
 401         r_l->ptr_dom_ref  = ref ? 1 : 0;
 402         r_l->dom_ref      = ref;
 403         r_l->names        = names;
 404         r_l->mapped_count = mapped_count;
 405 }
 406
 407 /***************************************************************************
 408  Init_reply_lookup_sids.
 409  ***************************************************************************/
 410
 411 static NTSTATUS init_reply_lookup_sids(TALLOC_CTX *mem_ctx,
 412                                 LSA_R_LOOKUP_SIDS *r_l,
 413                                 DOM_R_REF *ref,
 414                                 LSA_TRANS_NAME_ENUM2 *names,
 415                                 uint32 mapped_count)
 416 {
 417         LSA_TRANS_NAME_ENUM *oldnames = TALLOC_ZERO_P(mem_ctx, LSA_TRANS_NAME_ENUM);
 418
 419         if (!oldnames) {
 420                 return NT_STATUS_NO_MEMORY;
 421         }
 422
 423         oldnames->num_entries = names->num_entries;
 424         oldnames->ptr_trans_names = names->ptr_trans_names;
 425         oldnames->num_entries2 = names->num_entries2;
 426         oldnames->uni_name = names->uni_name;
 427
 428         if (names->num_entries) {
 429                 int i;
 430
 431                 oldnames->name = TALLOC_ARRAY(oldnames, LSA_TRANS_NAME, names->num_entries);
 432
 433                 if (!oldnames->name) {
 434                         return NT_STATUS_NO_MEMORY;
 435                 }
 436                 for (i = 0; i < names->num_entries; i++) {
 437                         oldnames->name[i].sid_name_use = names->name[i].sid_name_use;
 438                         oldnames->name[i].hdr_name = names->name[i].hdr_name;
 439                         oldnames->name[i].domain_idx = names->name[i].domain_idx;
 440                 }
 441         }
 442
 443         r_l->ptr_dom_ref  = ref ? 1 : 0;
 444         r_l->dom_ref      = ref;
 445         r_l->names        = oldnames;
 446         r_l->mapped_count = mapped_count;
 447         return NT_STATUS_OK;
 448 }
 449
 450 static NTSTATUS lsa_get_generic_sd(TALLOC_CTX *mem_ctx, SEC_DESC **sd, size_t *sd_size)
 451 {
 452         DOM_SID local_adm_sid;
 453         DOM_SID adm_sid;
 454
 455         SEC_ACE ace[3];
 456         SEC_ACCESS mask;
 457
 458         SEC_ACL *psa = NULL;
 459
 460         init_sec_access(&mask, POLICY_EXECUTE);
 461         init_sec_ace(&ace[0], &global_sid_World, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0);
 462
 463         sid_copy(&adm_sid, get_global_sam_sid());
 464         sid_append_rid(&adm_sid, DOMAIN_GROUP_RID_ADMINS);
 465         init_sec_access(&mask, POLICY_ALL_ACCESS);
 466         init_sec_ace(&ace[1], &adm_sid, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0);
 467
 468         sid_copy(&local_adm_sid, &global_sid_Builtin);
 469         sid_append_rid(&local_adm_sid, BUILTIN_ALIAS_RID_ADMINS);
 470         init_sec_access(&mask, POLICY_ALL_ACCESS);
 471         init_sec_ace(&ace[2], &local_adm_sid, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0);
 472
 473         if((psa = make_sec_acl(mem_ctx, NT4_ACL_REVISION, 3, ace)) == NULL)
 474                 return NT_STATUS_NO_MEMORY;
 475
 476         if((*sd = make_sec_desc(mem_ctx, SEC_DESC_REVISION, SEC_DESC_SELF_RELATIVE, &adm_sid, NULL, NULL, psa, sd_size)) == NULL)
 477                 return NT_STATUS_NO_MEMORY;
 478
 479         return NT_STATUS_OK;
 480 }
 481
 482 #if 0   /* AD DC work in ongoing in Samba 4 */
 483
 484 /***************************************************************************
 485  Init_dns_dom_info.
 486 ***************************************************************************/
 487
 488 static void init_dns_dom_info(LSA_DNS_DOM_INFO *r_l, const char *nb_name,
 489                               const char *dns_name, const char *forest_name,
 490                               struct uuid *dom_guid, DOM_SID *dom_sid)
 491 {
 492         if (nb_name && *nb_name) {
 493                 init_unistr2(&r_l->uni_nb_dom_name, nb_name, UNI_FLAGS_NONE);
 494                 init_uni_hdr(&r_l->hdr_nb_dom_name, &r_l->uni_nb_dom_name);
 495                 r_l->hdr_nb_dom_name.uni_max_len += 2;
 496                 r_l->uni_nb_dom_name.uni_max_len += 1;
 497         }
 498
 499         if (dns_name && *dns_name) {
 500                 init_unistr2(&r_l->uni_dns_dom_name, dns_name, UNI_FLAGS_NONE);
 501                 init_uni_hdr(&r_l->hdr_dns_dom_name, &r_l->uni_dns_dom_name);
 502                 r_l->hdr_dns_dom_name.uni_max_len += 2;
 503                 r_l->uni_dns_dom_name.uni_max_len += 1;
 504         }
 505
 506         if (forest_name && *forest_name) {
 507                 init_unistr2(&r_l->uni_forest_name, forest_name, UNI_FLAGS_NONE);
 508                 init_uni_hdr(&r_l->hdr_forest_name, &r_l->uni_forest_name);
 509                 r_l->hdr_forest_name.uni_max_len += 2;
 510                 r_l->uni_forest_name.uni_max_len += 1;
 511         }
 512
 513         /* how do we init the guid ? probably should write an init fn */
 514         if (dom_guid) {
 515                 memcpy(&r_l->dom_guid, dom_guid, sizeof(struct uuid));
 516         }
 517
 518         if (dom_sid) {
 519                 r_l->ptr_dom_sid = 1;
 520                 init_dom_sid2(&r_l->dom_sid, dom_sid);
 521         }
 522 }
 523 #endif  /* AD DC work in ongoing in Samba 4 */
 524
 525
 526 /***************************************************************************
 527  _lsa_open_policy2.
 528  ***************************************************************************/
 529
 530 NTSTATUS _lsa_open_policy2(pipes_struct *p, LSA_Q_OPEN_POL2 *q_u, LSA_R_OPEN_POL2 *r_u)
 531 {
 532         struct lsa_info *info;
 533         SEC_DESC *psd = NULL;
 534         size_t sd_size;
 535         uint32 des_access=q_u->des_access;
 536         uint32 acc_granted;
 537         NTSTATUS status;
 538
 539
 540         /* map the generic bits to the lsa policy ones */
 541         se_map_generic(&des_access, &lsa_generic_mapping);
 542
 543         /* get the generic lsa policy SD until we store it */
 544         lsa_get_generic_sd(p->mem_ctx, &psd, &sd_size);
 545
 546         if(!se_access_check(psd, p->pipe_user.nt_user_token, des_access, &acc_granted, &status)) {
 547                 if (p->pipe_user.ut.uid != sec_initial_uid()) {
 548                         return status;
 549                 }
 550                 DEBUG(4,("ACCESS should be DENIED (granted: %#010x;  required: %#010x)\n",
 551                          acc_granted, des_access));
 552                 DEBUGADD(4,("but overwritten by euid == 0\n"));
 553         }
 554
 555         /* This is needed for lsa_open_account and rpcclient .... :-) */
 556
 557         if (p->pipe_user.ut.uid == sec_initial_uid())
 558                 acc_granted = POLICY_ALL_ACCESS;
 559
 560         /* associate the domain SID with the (unique) handle. */
 561         if ((info = SMB_MALLOC_P(struct lsa_info)) == NULL)
 562                 return NT_STATUS_NO_MEMORY;
 563
 564         ZERO_STRUCTP(info);
 565         sid_copy(&info->sid,get_global_sam_sid());
 566         info->access = acc_granted;
 567
 568         /* set up the LSA QUERY INFO response */
 569         if (!create_policy_hnd(p, &r_u->pol, free_lsa_info, (void *)info))
 570                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
 571
 572         return NT_STATUS_OK;
 573 }
 574
 575 /***************************************************************************
 576  _lsa_open_policy
 577  ***************************************************************************/
 578
 579 NTSTATUS _lsa_open_policy(pipes_struct *p, LSA_Q_OPEN_POL *q_u, LSA_R_OPEN_POL *r_u)
 580 {
 581         struct lsa_info *info;
 582         SEC_DESC *psd = NULL;
 583         size_t sd_size;
 584         uint32 des_access=q_u->des_access;
 585         uint32 acc_granted;
 586         NTSTATUS status;
 587
 588
 589         /* map the generic bits to the lsa policy ones */
 590         se_map_generic(&des_access, &lsa_generic_mapping);
 591
 592         /* get the generic lsa policy SD until we store it */
 593         lsa_get_generic_sd(p->mem_ctx, &psd, &sd_size);
 594
 595         if(!se_access_check(psd, p->pipe_user.nt_user_token, des_access, &acc_granted, &status)) {
 596                 if (geteuid() != 0) {
 597                         return status;
 598                 }
 599                 DEBUG(4,("ACCESS should be DENIED (granted: %#010x;  required: %#010x)\n",
 600                          acc_granted, des_access));
 601                 DEBUGADD(4,("but overwritten by euid == 0\n"));
 602                 acc_granted = des_access;
 603         }
 604
 605         /* associate the domain SID with the (unique) handle. */
 606         if ((info = SMB_MALLOC_P(struct lsa_info)) == NULL)
 607                 return NT_STATUS_NO_MEMORY;
 608
 609         ZERO_STRUCTP(info);
 610         sid_copy(&info->sid,get_global_sam_sid());
 611         info->access = acc_granted;
 612
 613         /* set up the LSA QUERY INFO response */
 614         if (!create_policy_hnd(p, &r_u->pol, free_lsa_info, (void *)info))
 615                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
 616
 617         return NT_STATUS_OK;
 618 }
 619
 620 /***************************************************************************
 621  _lsa_enum_trust_dom - this needs fixing to do more than return NULL ! JRA.
 622  ufff, done :)  mimir
 623  ***************************************************************************/
 624
 625 NTSTATUS _lsa_enum_trust_dom(pipes_struct *p, LSA_Q_ENUM_TRUST_DOM *q_u,
 626                              LSA_R_ENUM_TRUST_DOM *r_u)
 627 {
 628         struct lsa_info *info;
 629         uint32 next_idx;
 630         struct trustdom_info **domains;
 631
 632         /*
 633          * preferred length is set to 5 as a "our" preferred length
 634          * nt sets this parameter to 2
 635          * update (20.08.2002): it's not preferred length, but preferred size!
 636          * it needs further investigation how to optimally choose this value
 637          */
 638         uint32 max_num_domains =
 639                 q_u->preferred_len < 5 ? q_u->preferred_len : 10;
 640         uint32 num_domains;
 641         NTSTATUS nt_status;
 642         uint32 num_thistime;
 643
 644         if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&info))
 645                 return NT_STATUS_INVALID_HANDLE;
 646
 647         /* check if the user have enough rights */
 648         if (!(info->access & POLICY_VIEW_LOCAL_INFORMATION))
 649                 return NT_STATUS_ACCESS_DENIED;
 650
 651         nt_status = secrets_trusted_domains(p->mem_ctx, &num_domains,
 652                                             &domains);
 653
 654         if (!NT_STATUS_IS_OK(nt_status)) {
 655                 return nt_status;
 656         }
 657
 658         if (q_u->enum_context < num_domains) {
 659                 num_thistime = MIN(num_domains, max_num_domains);
 660
 661                 r_u->status = STATUS_MORE_ENTRIES;
 662
 663                 if (q_u->enum_context + num_thistime > num_domains) {
 664                         num_thistime = num_domains - q_u->enum_context;
 665                         r_u->status = NT_STATUS_OK;
 666                 }
 667
 668                 next_idx = q_u->enum_context + num_thistime;
 669         } else {
 670                 num_thistime = 0;
 671                 next_idx = 0xffffffff;
 672                 r_u->status = NT_STATUS_NO_MORE_ENTRIES;
 673         }
 674
 675         /* set up the lsa_enum_trust_dom response */
 676
 677         init_r_enum_trust_dom(p->mem_ctx, r_u, next_idx,
 678                               num_thistime, domains+q_u->enum_context);
 679
 680         return r_u->status;
 681 }
 682
 683 /***************************************************************************
 684  _lsa_query_info. See the POLICY_INFOMATION_CLASS docs at msdn.
 685  ***************************************************************************/
 686
 687 NTSTATUS _lsa_query_info(pipes_struct *p, LSA_Q_QUERY_INFO *q_u, LSA_R_QUERY_INFO *r_u)
 688 {
 689         struct lsa_info *handle;
 690         LSA_INFO_CTR *ctr = &r_u->ctr;
 691         DOM_SID domain_sid;
 692         const char *name;
 693         DOM_SID *sid = NULL;
 694
 695         r_u->status = NT_STATUS_OK;
 696
 697         if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&handle))
 698                 return NT_STATUS_INVALID_HANDLE;
 699
 700         switch (q_u->info_class) {
 701         case 0x02:
 702                 {
 703
 704                 uint32 policy_def = LSA_AUDIT_POLICY_ALL;
 705
 706                 /* check if the user have enough rights */
 707                 if (!(handle->access & POLICY_VIEW_AUDIT_INFORMATION)) {
 708                         DEBUG(10,("_lsa_query_info: insufficient access rights\n"));
 709                         return NT_STATUS_ACCESS_DENIED;
 710                 }
 711
 712                 /* fake info: We audit everything. ;) */
 713                 ctr->info.id2.ptr = 1;
 714                 ctr->info.id2.auditing_enabled = True;
 715                 ctr->info.id2.count1 = ctr->info.id2.count2 = LSA_AUDIT_NUM_CATEGORIES;
 716
 717                 if ((ctr->info.id2.auditsettings = TALLOC_ZERO_ARRAY(p->mem_ctx, uint32, LSA_AUDIT_NUM_CATEGORIES)) == NULL)
 718                         return NT_STATUS_NO_MEMORY;
 719
 720                 ctr->info.id2.auditsettings[LSA_AUDIT_CATEGORY_ACCOUNT_MANAGEMENT] = policy_def;
 721                 ctr->info.id2.auditsettings[LSA_AUDIT_CATEGORY_FILE_AND_OBJECT_ACCESS] = policy_def;
 722                 ctr->info.id2.auditsettings[LSA_AUDIT_CATEGORY_LOGON] = policy_def;
 723                 ctr->info.id2.auditsettings[LSA_AUDIT_CATEGORY_PROCCESS_TRACKING] = policy_def;
 724                 ctr->info.id2.auditsettings[LSA_AUDIT_CATEGORY_SECURITY_POLICY_CHANGES] = policy_def;
 725                 ctr->info.id2.auditsettings[LSA_AUDIT_CATEGORY_SYSTEM] = policy_def;
 726                 ctr->info.id2.auditsettings[LSA_AUDIT_CATEGORY_USE_OF_USER_RIGHTS] = policy_def;
 727
 728                 break;
 729                 }
 730         case 0x03:
 731                 /* check if the user have enough rights */
 732                 if (!(handle->access & POLICY_VIEW_LOCAL_INFORMATION))
 733                         return NT_STATUS_ACCESS_DENIED;
 734
 735                 /* Request PolicyPrimaryDomainInformation. */
 736                 switch (lp_server_role()) {
 737                         case ROLE_DOMAIN_PDC:
 738                         case ROLE_DOMAIN_BDC:
 739                                 name = get_global_sam_name();
 740                                 sid = get_global_sam_sid();
 741                                 break;
 742                         case ROLE_DOMAIN_MEMBER:
 743                                 name = lp_workgroup();
 744                                 /* We need to return the Domain SID here. */
 745                                 if (secrets_fetch_domain_sid(lp_workgroup(), &domain_sid))
 746                                         sid = &domain_sid;
 747                                 else
 748                                         return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
 749                                 break;
 750                         case ROLE_STANDALONE:
 751                                 name = lp_workgroup();
 752                                 sid = NULL;
 753                                 break;
 754                         default:
 755                                 return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
 756                 }
 757                 init_dom_query_3(&r_u->ctr.info.id3, name, sid);
 758                 break;
 759         case 0x05:
 760                 /* check if the user have enough rights */
 761                 if (!(handle->access & POLICY_VIEW_LOCAL_INFORMATION))
 762                         return NT_STATUS_ACCESS_DENIED;
 763
 764                 /* Request PolicyAccountDomainInformation. */
 765                 name = get_global_sam_name();
 766                 sid = get_global_sam_sid();
 767                 init_dom_query_5(&r_u->ctr.info.id5, name, sid);
 768                 break;
 769         case 0x06:
 770                 /* check if the user have enough rights */
 771                 if (!(handle->access & POLICY_VIEW_LOCAL_INFORMATION))
 772                         return NT_STATUS_ACCESS_DENIED;
 773
 774                 switch (lp_server_role()) {
 775                         case ROLE_DOMAIN_BDC:
 776                                 /*
 777                                  * only a BDC is a backup controller
 778                                  * of the domain, it controls.
 779                                  */
 780                                 ctr->info.id6.server_role = 2;
 781                                 break;
 782                         default:
 783                                 /*
 784                                  * any other role is a primary
 785                                  * of the domain, it controls.
 786                                  */
 787                                 ctr->info.id6.server_role = 3;
 788                                 break;
 789                 }
 790                 break;
 791         default:
 792                 DEBUG(0,("_lsa_query_info: unknown info level in Lsa Query: %d\n", q_u->info_class));
 793                 r_u->status = NT_STATUS_INVALID_INFO_CLASS;
 794                 break;
 795         }
 796
 797         if (NT_STATUS_IS_OK(r_u->status)) {
 798                 r_u->dom_ptr = 0x22000000; /* bizarre */
 799                 ctr->info_class = q_u->info_class;
 800         }
 801
 802         return r_u->status;
 803 }
 804
 805 /***************************************************************************
 806  _lsa_lookup_sids_internal
 807  ***************************************************************************/
 808
 809 static NTSTATUS _lsa_lookup_sids_internal(pipes_struct *p,
 810                                 uint16 level,                           /* input */
 811                                 int num_sids,                           /* input */
 812                                 const DOM_SID2 *sid,                    /* input */
 813                                 DOM_R_REF **pp_ref,                     /* output */
 814                                 LSA_TRANS_NAME_ENUM2 **pp_names,        /* output */
 815                                 uint32 *pp_mapped_count)
 816 {
 817         NTSTATUS status;
 818         int i;
 819         const DOM_SID **sids = NULL;
 820         LSA_TRANS_NAME_ENUM2 *names = NULL;
 821         DOM_R_REF *ref = NULL;
 822         uint32 mapped_count = 0;
 823         struct lsa_dom_info *dom_infos = NULL;
 824         struct lsa_name_info *name_infos = NULL;
 825
 826         *pp_mapped_count = 0;
 827         *pp_ref = NULL;
 828         *pp_names = NULL;
 829
 830         names = TALLOC_ZERO_P(p->mem_ctx, LSA_TRANS_NAME_ENUM2);
 831         sids = TALLOC_ARRAY(p->mem_ctx, const DOM_SID *, num_sids);
 832         ref = TALLOC_ZERO_P(p->mem_ctx, DOM_R_REF);
 833
 834         if (sids == NULL || names == NULL || ref == NULL) {
 835                 return NT_STATUS_NO_MEMORY;
 836         }
 837
 838         for (i=0; i<num_sids; i++) {
 839                 sids[i] = &sid[i].sid;
 840         }
 841
 842         status = lookup_sids(p->mem_ctx, num_sids, sids, level,
 843                                   &dom_infos, &name_infos);
 844
 845         if (!NT_STATUS_IS_OK(status)) {
 846                 return status;
 847         }
 848
 849         if (num_sids > 0) {
 850                 names->name = TALLOC_ARRAY(names, LSA_TRANS_NAME2, num_sids);
 851                 names->uni_name = TALLOC_ARRAY(names, UNISTR2, num_sids);
 852                 if ((names->name == NULL) || (names->uni_name == NULL)) {
 853                         return NT_STATUS_NO_MEMORY;
 854                 }
 855         }
 856
 857         for (i=0; i<MAX_REF_DOMAINS; i++) {
 858
 859                 if (!dom_infos[i].valid) {
 860                         break;
 861                 }
 862
 863                 if (init_dom_ref(ref, dom_infos[i].name,
 864                                  &dom_infos[i].sid) != i) {
 865                         DEBUG(0, ("Domain %s mentioned twice??\n",
 866                                   dom_infos[i].name));
 867                         return NT_STATUS_INTERNAL_ERROR;
 868                 }
 869         }
 870
 871         for (i=0; i<num_sids; i++) {
 872                 struct lsa_name_info *name = &name_infos[i];
 873
 874                 if (name->type == SID_NAME_UNKNOWN) {
 875                         name->dom_idx = -1;
 876                         /* unknown sids should return the string representation of the SID */
 877                         name->name = talloc_asprintf(p->mem_ctx, "%s",
 878                                                      sid_string_static(sids[i]));
 879                         if (name->name == NULL) {
 880                                 return NT_STATUS_NO_MEMORY;
 881                         }
 882                 } else {
 883                         mapped_count += 1;
 884                 }
 885                 init_lsa_trans_name2(&names->name[i], &names->uni_name[i],
 886                                     name->type, name->name, name->dom_idx);
 887         }
 888
 889         names->num_entries = num_sids;
 890         names->ptr_trans_names = 1;
 891         names->num_entries2 = num_sids;
 892
 893         status = NT_STATUS_NONE_MAPPED;
 894         if (mapped_count > 0) {
 895                 status = (mapped_count < num_sids) ?
 896                         STATUS_SOME_UNMAPPED : NT_STATUS_OK;
 897         }
 898
 899         DEBUG(10, ("num_sids %d, mapped_count %d, status %s\n",
 900                    num_sids, mapped_count, nt_errstr(status)));
 901
 902         *pp_mapped_count = mapped_count;
 903         *pp_ref = ref;
 904         *pp_names = names;
 905
 906         return status;
 907 }
 908
 909 /***************************************************************************
 910  _lsa_lookup_sids
 911  ***************************************************************************/
 912
 913 NTSTATUS _lsa_lookup_sids(pipes_struct *p,
 914                           LSA_Q_LOOKUP_SIDS *q_u,
 915                           LSA_R_LOOKUP_SIDS *r_u)
 916 {
 917         struct lsa_info *handle;
 918         int num_sids = q_u->sids.num_entries;
 919         uint32 mapped_count = 0;
 920         DOM_R_REF *ref = NULL;
 921         LSA_TRANS_NAME_ENUM2 *names = NULL;
 922         NTSTATUS status;
 923
 924         if ((q_u->level < 1) || (q_u->level > 6)) {
 925                 return NT_STATUS_INVALID_PARAMETER;
 926         }
 927
 928         if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&handle)) {
 929                 return NT_STATUS_INVALID_HANDLE;
 930         }
 931
 932         /* check if the user has enough rights */
 933         if (!(handle->access & POLICY_LOOKUP_NAMES)) {
 934                 return NT_STATUS_ACCESS_DENIED;
 935         }
 936
 937         if (num_sids >  MAX_LOOKUP_SIDS) {
 938                 DEBUG(5,("_lsa_lookup_sids: limit of %d exceeded, requested %d\n",
 939                          MAX_LOOKUP_SIDS, num_sids));
 940                 return NT_STATUS_NONE_MAPPED;
 941         }
 942
 943         r_u->status = _lsa_lookup_sids_internal(p,
 944                                                 q_u->level,
 945                                                 num_sids,
 946                                                 q_u->sids.sid,
 947                                                 &ref,
 948                                                 &names,
 949                                                 &mapped_count);
 950
 951         /* Convert from LSA_TRANS_NAME_ENUM2 to LSA_TRANS_NAME_ENUM */
 952
 953         status = init_reply_lookup_sids(p->mem_ctx, r_u, ref, names, mapped_count);
 954         if (!NT_STATUS_IS_OK(status)) {
 955                 return status;
 956         }
 957         return r_u->status;
 958 }
 959
 960 /***************************************************************************
 961  _lsa_lookup_sids2
 962  ***************************************************************************/
 963
 964 NTSTATUS _lsa_lookup_sids2(pipes_struct *p,
 965                           LSA_Q_LOOKUP_SIDS2 *q_u,
 966                           LSA_R_LOOKUP_SIDS2 *r_u)
 967 {
 968         struct lsa_info *handle;
 969         int num_sids = q_u->sids.num_entries;
 970         uint32 mapped_count = 0;
 971         DOM_R_REF *ref = NULL;
 972         LSA_TRANS_NAME_ENUM2 *names = NULL;
 973
 974         if ((q_u->level < 1) || (q_u->level > 6)) {
 975                 return NT_STATUS_INVALID_PARAMETER;
 976         }
 977
 978         if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&handle)) {
 979                 return NT_STATUS_INVALID_HANDLE;
 980         }
 981
 982         /* check if the user have enough rights */
 983         if (!(handle->access & POLICY_LOOKUP_NAMES)) {
 984                 return NT_STATUS_ACCESS_DENIED;
 985         }
 986
 987         if (num_sids >  MAX_LOOKUP_SIDS) {
 988                 DEBUG(5,("_lsa_lookup_sids2: limit of %d exceeded, requested %d\n",
 989                          MAX_LOOKUP_SIDS, num_sids));
 990                 return NT_STATUS_NONE_MAPPED;
 991         }
 992
 993         r_u->status = _lsa_lookup_sids_internal(p,
 994                                                 q_u->level,
 995                                                 num_sids,
 996                                                 q_u->sids.sid,
 997                                                 &ref,
 998                                                 &names,
 999                                                 &mapped_count);
1000
1001         init_reply_lookup_sids2(r_u, ref, names, mapped_count);
1002         return r_u->status;
1003 }
1004
1005 /***************************************************************************
1006  _lsa_lookup_sida3
1007
1008  Before someone actually re-activates this, please present a sniff showing
1009  this call against some Windows server. I (vl) could not make it work against
1010  w2k3 at all.
1011  ***************************************************************************/
1012
1013 NTSTATUS _lsa_lookup_sids3(pipes_struct *p,
1014                           LSA_Q_LOOKUP_SIDS3 *q_u,
1015                           LSA_R_LOOKUP_SIDS3 *r_u)
1016 {
1017         uint32 mapped_count = 0;
1018         DOM_R_REF *ref;
1019         LSA_TRANS_NAME_ENUM2 *names;
1020
1021         if ((q_u->level < 1) || (q_u->level > 6)) {
1022                 return NT_STATUS_INVALID_PARAMETER;
1023         }
1024
1025         r_u->status = NT_STATUS_RPC_PROTSEQ_NOT_SUPPORTED;
1026
1027         ref = TALLOC_ZERO_P(p->mem_ctx, DOM_R_REF);
1028         names = TALLOC_ZERO_P(p->mem_ctx, LSA_TRANS_NAME_ENUM2);
1029
1030         if ((ref == NULL) || (names == NULL)) {
1031                 /* We would segfault later on in lsa_io_r_lookup_sids3 anyway,
1032                  * so do a planned exit here. We NEEEED pidl! */
1033                 smb_panic("talloc failed");
1034         }
1035
1036         init_reply_lookup_sids3(r_u, ref, names, mapped_count);
1037         return r_u->status;
1038 }
1039
1040 /***************************************************************************
1041 lsa_reply_lookup_names
1042  ***************************************************************************/
1043
1044 NTSTATUS _lsa_lookup_names(pipes_struct *p,LSA_Q_LOOKUP_NAMES *q_u, LSA_R_LOOKUP_NAMES *r_u)
1045 {
1046         struct lsa_info *handle;
1047         UNISTR2 *names = q_u->uni_name;
1048         uint32 num_entries = q_u->num_entries;
1049         DOM_R_REF *ref;
1050         DOM_RID *rids;
1051         uint32 mapped_count = 0;
1052         int flags = 0;
1053
1054         if (num_entries >  MAX_LOOKUP_SIDS) {
1055                 num_entries = MAX_LOOKUP_SIDS;
1056                 DEBUG(5,("_lsa_lookup_names: truncating name lookup list to %d\n", num_entries));
1057         }
1058
1059         /* Probably the lookup_level is some sort of bitmask. */
1060         if (q_u->lookup_level == 1) {
1061                 flags = LOOKUP_NAME_ALL;
1062         }
1063
1064         ref = TALLOC_ZERO_P(p->mem_ctx, DOM_R_REF);
1065         rids = TALLOC_ZERO_ARRAY(p->mem_ctx, DOM_RID, num_entries);
1066
1067         if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&handle)) {
1068                 r_u->status = NT_STATUS_INVALID_HANDLE;
1069                 goto done;
1070         }
1071
1072         /* check if the user have enough rights */
1073         if (!(handle->access & POLICY_LOOKUP_NAMES)) {
1074                 r_u->status = NT_STATUS_ACCESS_DENIED;
1075                 goto done;
1076         }
1077
1078         if (!ref || !rids)
1079                 return NT_STATUS_NO_MEMORY;
1080
1081         /* set up the LSA Lookup RIDs response */
1082         become_root(); /* lookup_name can require root privs */
1083         r_u->status = lookup_lsa_rids(p->mem_ctx, ref, rids, num_entries,
1084                                       names, flags, &mapped_count);
1085         unbecome_root();
1086
1087 done:
1088
1089         if (NT_STATUS_IS_OK(r_u->status) && (num_entries != 0) ) {
1090                 if (mapped_count == 0)
1091                         r_u->status = NT_STATUS_NONE_MAPPED;
1092                 else if (mapped_count != num_entries)
1093                         r_u->status = STATUS_SOME_UNMAPPED;
1094         }
1095
1096         init_reply_lookup_names(r_u, ref, num_entries, rids, mapped_count);
1097         return r_u->status;
1098 }
1099
1100 /***************************************************************************
1101 lsa_reply_lookup_names2
1102  ***************************************************************************/
1103
1104 NTSTATUS _lsa_lookup_names2(pipes_struct *p, LSA_Q_LOOKUP_NAMES2 *q_u, LSA_R_LOOKUP_NAMES2 *r_u)
1105 {
1106         struct lsa_info *handle;
1107         UNISTR2 *names = q_u->uni_name;
1108         uint32 num_entries = q_u->num_entries;
1109         DOM_R_REF *ref;
1110         DOM_RID *rids;
1111         DOM_RID2 *rids2;
1112         int i;
1113         uint32 mapped_count = 0;
1114         int flags = 0;
1115
1116         if (num_entries >  MAX_LOOKUP_SIDS) {
1117                 num_entries = MAX_LOOKUP_SIDS;
1118                 DEBUG(5,("_lsa_lookup_names2: truncating name lookup list to %d\n", num_entries));
1119         }
1120
1121         /* Probably the lookup_level is some sort of bitmask. */
1122         if (q_u->lookup_level == 1) {
1123                 flags = LOOKUP_NAME_ALL;
1124         }
1125
1126         ref = TALLOC_ZERO_P(p->mem_ctx, DOM_R_REF);
1127         rids = TALLOC_ZERO_ARRAY(p->mem_ctx, DOM_RID, num_entries);
1128         rids2 = TALLOC_ZERO_ARRAY(p->mem_ctx, DOM_RID2, num_entries);
1129
1130         if ((ref == NULL) || (rids == NULL) || (rids2 == NULL)) {
1131                 r_u->status = NT_STATUS_NO_MEMORY;
1132                 return NT_STATUS_NO_MEMORY;
1133         }
1134
1135         if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&handle)) {
1136                 r_u->status = NT_STATUS_INVALID_HANDLE;
1137                 goto done;
1138         }
1139
1140         /* check if the user have enough rights */
1141         if (!(handle->access & POLICY_LOOKUP_NAMES)) {
1142                 r_u->status = NT_STATUS_ACCESS_DENIED;
1143                 goto done;
1144         }
1145
1146         /* set up the LSA Lookup RIDs response */
1147         become_root(); /* lookup_name can require root privs */
1148         r_u->status = lookup_lsa_rids(p->mem_ctx, ref, rids, num_entries,
1149                                       names, flags, &mapped_count);
1150         unbecome_root();
1151
1152 done:
1153
1154         if (NT_STATUS_IS_OK(r_u->status)) {
1155                 if (mapped_count == 0) {
1156                         r_u->status = NT_STATUS_NONE_MAPPED;
1157                 } else if (mapped_count != num_entries) {
1158                         r_u->status = STATUS_SOME_UNMAPPED;
1159                 }
1160         }
1161
1162         /* Convert the rids array to rids2. */
1163         for (i = 0; i < num_entries; i++) {
1164                 rids2[i].type = rids[i].type;
1165                 rids2[i].rid = rids[i].rid;
1166                 rids2[i].rid_idx = rids[i].rid_idx;
1167                 rids2[i].unknown = 0;
1168         }
1169
1170         init_reply_lookup_names2(r_u, ref, num_entries, rids2, mapped_count);
1171         return r_u->status;
1172 }
1173
1174 /***************************************************************************
1175 lsa_reply_lookup_names3.
1176  ***************************************************************************/
1177
1178 NTSTATUS _lsa_lookup_names3(pipes_struct *p, LSA_Q_LOOKUP_NAMES3 *q_u, LSA_R_LOOKUP_NAMES3 *r_u)
1179 {
1180         struct lsa_info *handle;
1181         UNISTR2 *names = q_u->uni_name;
1182         uint32 num_entries = q_u->num_entries;
1183         DOM_R_REF *ref = NULL;
1184         LSA_TRANSLATED_SID3 *trans_sids = NULL;
1185         uint32 mapped_count = 0;
1186         int flags = 0;
1187
1188         if (num_entries >  MAX_LOOKUP_SIDS) {
1189                 num_entries = MAX_LOOKUP_SIDS;
1190                 DEBUG(5,("_lsa_lookup_names3: truncating name lookup list to %d\n", num_entries));
1191         }
1192
1193         /* Probably the lookup_level is some sort of bitmask. */
1194         if (q_u->lookup_level == 1) {
1195                 flags = LOOKUP_NAME_ALL;
1196         }
1197
1198         ref = TALLOC_ZERO_P(p->mem_ctx, DOM_R_REF);
1199         trans_sids = TALLOC_ZERO_ARRAY(p->mem_ctx, LSA_TRANSLATED_SID3, num_entries);
1200
1201         if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&handle)) {
1202                 r_u->status = NT_STATUS_INVALID_HANDLE;
1203                 goto done;
1204         }
1205
1206         /* check if the user have enough rights */
1207         if (!(handle->access & POLICY_LOOKUP_NAMES)) {
1208                 r_u->status = NT_STATUS_ACCESS_DENIED;
1209                 goto done;
1210         }
1211
1212         if (!ref || !trans_sids) {
1213                 return NT_STATUS_NO_MEMORY;
1214         }
1215
1216         /* set up the LSA Lookup SIDs response */
1217         become_root(); /* lookup_name can require root privs */
1218         r_u->status = lookup_lsa_sids(p->mem_ctx, ref, trans_sids, num_entries,
1219                                       names, flags, &mapped_count);
1220         unbecome_root();
1221
1222 done:
1223
1224         if (NT_STATUS_IS_OK(r_u->status)) {
1225                 if (mapped_count == 0) {
1226                         r_u->status = NT_STATUS_NONE_MAPPED;
1227                 } else if (mapped_count != num_entries) {
1228                         r_u->status = STATUS_SOME_UNMAPPED;
1229                 }
1230         }
1231
1232         init_reply_lookup_names3(r_u, ref, num_entries, trans_sids, mapped_count);
1233         return r_u->status;
1234 }
1235
1236 /***************************************************************************
1237 lsa_reply_lookup_names4.
1238  ***************************************************************************/
1239
1240 NTSTATUS _lsa_lookup_names4(pipes_struct *p, LSA_Q_LOOKUP_NAMES4 *q_u, LSA_R_LOOKUP_NAMES4 *r_u)
1241 {
1242         UNISTR2 *names = q_u->uni_name;
1243         uint32 num_entries = q_u->num_entries;
1244         DOM_R_REF *ref = NULL;
1245         LSA_TRANSLATED_SID3 *trans_sids = NULL;
1246         uint32 mapped_count = 0;
1247         int flags = 0;
1248
1249         if (num_entries >  MAX_LOOKUP_SIDS) {
1250                 num_entries = MAX_LOOKUP_SIDS;
1251                 DEBUG(5,("_lsa_lookup_names4: truncating name lookup list to %d\n", num_entries));
1252         }
1253
1254         /* Probably the lookup_level is some sort of bitmask. */
1255         if (q_u->lookup_level == 1) {
1256                 flags = LOOKUP_NAME_ALL;
1257         }
1258
1259         /* No policy handle on this call. Restrict to crypto connections. */
1260         if (p->auth.auth_type != PIPE_AUTH_TYPE_SCHANNEL) {
1261                 DEBUG(0,("_lsa_lookup_names4: client %s not using schannel for netlogon\n",
1262                         get_remote_machine_name() ));
1263                 return NT_STATUS_INVALID_PARAMETER;
1264         }
1265
1266         ref = TALLOC_ZERO_P(p->mem_ctx, DOM_R_REF);
1267         trans_sids = TALLOC_ZERO_ARRAY(p->mem_ctx, LSA_TRANSLATED_SID3, num_entries);
1268
1269         if (!ref || !trans_sids) {
1270                 return NT_STATUS_NO_MEMORY;
1271         }
1272
1273         /* set up the LSA Lookup SIDs response */
1274         become_root(); /* lookup_name can require root privs */
1275         r_u->status = lookup_lsa_sids(p->mem_ctx, ref, trans_sids, num_entries,
1276                                       names, flags, &mapped_count);
1277         unbecome_root();
1278
1279         if (NT_STATUS_IS_OK(r_u->status)) {
1280                 if (mapped_count == 0) {
1281                         r_u->status = NT_STATUS_NONE_MAPPED;
1282                 } else if (mapped_count != num_entries) {
1283                         r_u->status = STATUS_SOME_UNMAPPED;
1284                 }
1285         }
1286
1287         init_reply_lookup_names4(r_u, ref, num_entries, trans_sids, mapped_count);
1288         return r_u->status;
1289 }
1290
1291 /***************************************************************************
1292  _lsa_close. Also weird - needs to check if lsa handle is correct. JRA.
1293  ***************************************************************************/
1294
1295 NTSTATUS _lsa_close(pipes_struct *p, LSA_Q_CLOSE *q_u, LSA_R_CLOSE *r_u)
1296 {
1297         if (!find_policy_by_hnd(p, &q_u->pol, NULL)) {
1298                 return NT_STATUS_INVALID_HANDLE;
1299         }
1300
1301         close_policy_hnd(p, &q_u->pol);
1302         return NT_STATUS_OK;
1303 }
1304
1305 /***************************************************************************
1306  ***************************************************************************/
1307
1308 NTSTATUS _lsa_open_secret(pipes_struct *p, LSA_Q_OPEN_SECRET *q_u, LSA_R_OPEN_SECRET *r_u)
1309 {
1310         return NT_STATUS_OBJECT_NAME_NOT_FOUND;
1311 }
1312
1313 /***************************************************************************
1314  ***************************************************************************/
1315
1316 NTSTATUS _lsa_open_trusted_domain(pipes_struct *p, LSA_Q_OPEN_TRUSTED_DOMAIN *q_u, LSA_R_OPEN_TRUSTED_DOMAIN *r_u)
1317 {
1318         return NT_STATUS_OBJECT_NAME_NOT_FOUND;
1319 }
1320
1321 /***************************************************************************
1322  ***************************************************************************/
1323
1324 NTSTATUS _lsa_create_trusted_domain(pipes_struct *p, LSA_Q_CREATE_TRUSTED_DOMAIN *q_u, LSA_R_CREATE_TRUSTED_DOMAIN *r_u)
1325 {
1326         return NT_STATUS_ACCESS_DENIED;
1327 }
1328
1329 /***************************************************************************
1330  ***************************************************************************/
1331
1332 NTSTATUS _lsa_create_secret(pipes_struct *p, LSA_Q_CREATE_SECRET *q_u, LSA_R_CREATE_SECRET *r_u)
1333 {
1334         return NT_STATUS_ACCESS_DENIED;
1335 }
1336
1337 /***************************************************************************
1338  ***************************************************************************/
1339
1340 NTSTATUS _lsa_set_secret(pipes_struct *p, LSA_Q_SET_SECRET *q_u, LSA_R_SET_SECRET *r_u)
1341 {
1342         return NT_STATUS_ACCESS_DENIED;
1343 }
1344
1345 /***************************************************************************
1346  ***************************************************************************/
1347
1348 NTSTATUS _lsa_delete_object(pipes_struct *p, LSA_Q_DELETE_OBJECT *q_u, LSA_R_DELETE_OBJECT *r_u)
1349 {
1350         return NT_STATUS_ACCESS_DENIED;
1351 }
1352
1353 /***************************************************************************
1354 _lsa_enum_privs.
1355  ***************************************************************************/
1356
1357 NTSTATUS _lsa_enum_privs(pipes_struct *p, LSA_Q_ENUM_PRIVS *q_u, LSA_R_ENUM_PRIVS *r_u)
1358 {
1359         struct lsa_info *handle;
1360         uint32 i;
1361         uint32 enum_context = q_u->enum_context;
1362         int num_privs = count_all_privileges();
1363         LSA_PRIV_ENTRY *entries = NULL;
1364         LUID_ATTR luid;
1365
1366         /* remember that the enum_context starts at 0 and not 1 */
1367
1368         if ( enum_context >= num_privs )
1369                 return NT_STATUS_NO_MORE_ENTRIES;
1370
1371         DEBUG(10,("_lsa_enum_privs: enum_context:%d total entries:%d\n",
1372                 enum_context, num_privs));
1373
1374         if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&handle))
1375                 return NT_STATUS_INVALID_HANDLE;
1376
1377         /* check if the user have enough rights
1378            I don't know if it's the right one. not documented.  */
1379
1380         if (!(handle->access & POLICY_VIEW_LOCAL_INFORMATION))
1381                 return NT_STATUS_ACCESS_DENIED;
1382
1383         if ( !(entries = TALLOC_ZERO_ARRAY(p->mem_ctx, LSA_PRIV_ENTRY, num_privs )) )
1384                 return NT_STATUS_NO_MEMORY;
1385
1386         for (i = 0; i < num_privs; i++) {
1387                 if( i < enum_context) {
1388                         init_unistr2(&entries[i].name, NULL, UNI_FLAGS_NONE);
1389                         init_uni_hdr(&entries[i].hdr_name, &entries[i].name);
1390
1391                         entries[i].luid_low = 0;
1392                         entries[i].luid_high = 0;
1393                 } else {
1394                         init_unistr2(&entries[i].name, privs[i].name, UNI_FLAGS_NONE);
1395                         init_uni_hdr(&entries[i].hdr_name, &entries[i].name);
1396
1397                         luid = get_privilege_luid( &privs[i].se_priv );
1398
1399                         entries[i].luid_low = luid.luid.low;
1400                         entries[i].luid_high = luid.luid.high;
1401                 }
1402         }
1403
1404         enum_context = num_privs;
1405
1406         init_lsa_r_enum_privs(r_u, enum_context, num_privs, entries);
1407
1408         return NT_STATUS_OK;
1409 }
1410
1411 /***************************************************************************
1412 _lsa_priv_get_dispname.
1413  ***************************************************************************/
1414
1415 NTSTATUS _lsa_priv_get_dispname(pipes_struct *p, LSA_Q_PRIV_GET_DISPNAME *q_u, LSA_R_PRIV_GET_DISPNAME *r_u)
1416 {
1417         struct lsa_info *handle;
1418         fstring name_asc;
1419         const char *description;
1420
1421         if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&handle))
1422                 return NT_STATUS_INVALID_HANDLE;
1423
1424         /* check if the user have enough rights */
1425
1426         /*
1427          * I don't know if it's the right one. not documented.
1428          */
1429         if (!(handle->access & POLICY_VIEW_LOCAL_INFORMATION))
1430                 return NT_STATUS_ACCESS_DENIED;
1431
1432         unistr2_to_ascii(name_asc, &q_u->name, sizeof(name_asc));
1433
1434         DEBUG(10,("_lsa_priv_get_dispname: name = %s\n", name_asc));
1435
1436         description = get_privilege_dispname( name_asc );
1437
1438         if ( description ) {
1439                 DEBUG(10,("_lsa_priv_get_dispname: display name = %s\n", description));
1440
1441                 init_unistr2(&r_u->desc, description, UNI_FLAGS_NONE);
1442                 init_uni_hdr(&r_u->hdr_desc, &r_u->desc);
1443
1444                 r_u->ptr_info = 0xdeadbeef;
1445                 r_u->lang_id = q_u->lang_id;
1446
1447                 return NT_STATUS_OK;
1448         } else {
1449                 DEBUG(10,("_lsa_priv_get_dispname: doesn't exist\n"));
1450
1451                 r_u->ptr_info = 0;
1452
1453                 return NT_STATUS_NO_SUCH_PRIVILEGE;
1454         }
1455 }
1456
1457 /***************************************************************************
1458 _lsa_enum_accounts.
1459  ***************************************************************************/
1460
1461 NTSTATUS _lsa_enum_accounts(pipes_struct *p, LSA_Q_ENUM_ACCOUNTS *q_u, LSA_R_ENUM_ACCOUNTS *r_u)
1462 {
1463         struct lsa_info *handle;
1464         DOM_SID *sid_list;
1465         int i, j, num_entries;
1466         LSA_SID_ENUM *sids=&r_u->sids;
1467         NTSTATUS ret;
1468
1469         if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&handle))
1470                 return NT_STATUS_INVALID_HANDLE;
1471
1472         if (!(handle->access & POLICY_VIEW_LOCAL_INFORMATION))
1473                 return NT_STATUS_ACCESS_DENIED;
1474
1475         sid_list = NULL;
1476         num_entries = 0;
1477
1478         /* The only way we can currently find out all the SIDs that have been
1479            privileged is to scan all privileges */
1480
1481         if (!NT_STATUS_IS_OK(ret = privilege_enumerate_accounts(&sid_list, &num_entries))) {
1482                 return ret;
1483         }
1484
1485         if (q_u->enum_context >= num_entries)
1486                 return NT_STATUS_NO_MORE_ENTRIES;
1487
1488         sids->ptr_sid = TALLOC_ZERO_ARRAY(p->mem_ctx, uint32, num_entries-q_u->enum_context);
1489         sids->sid = TALLOC_ZERO_ARRAY(p->mem_ctx, DOM_SID2, num_entries-q_u->enum_context);
1490
1491         if (sids->ptr_sid==NULL || sids->sid==NULL) {
1492                 SAFE_FREE(sid_list);
1493                 return NT_STATUS_NO_MEMORY;
1494         }
1495
1496         for (i = q_u->enum_context, j = 0; i < num_entries; i++, j++) {
1497                 init_dom_sid2(&(*sids).sid[j], &sid_list[i]);
1498                 (*sids).ptr_sid[j] = 1;
1499         }
1500
1501         SAFE_FREE(sid_list);
1502
1503         init_lsa_r_enum_accounts(r_u, num_entries);
1504
1505         return NT_STATUS_OK;
1506 }
1507
1508
1509 NTSTATUS _lsa_unk_get_connuser(pipes_struct *p, LSA_Q_UNK_GET_CONNUSER *q_u, LSA_R_UNK_GET_CONNUSER *r_u)
1510 {
1511         const char *username, *domname;
1512         user_struct *vuser = get_valid_user_struct(p->vuid);
1513
1514         if (vuser == NULL)
1515                 return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
1516
1517         if (vuser->guest) {
1518                 /*
1519                  * I'm 99% sure this is not the right place to do this,
1520                  * global_sid_Anonymous should probably be put into the token
1521                  * instead of the guest id -- vl
1522                  */
1523                 if (!lookup_sid(p->mem_ctx, &global_sid_Anonymous,
1524                                 &domname, &username, NULL)) {
1525                         return NT_STATUS_NO_MEMORY;
1526                 }
1527         } else {
1528                 username = vuser->user.smb_name;
1529                 domname = vuser->user.domain;
1530         }
1531
1532         r_u->ptr_user_name = 1;
1533         init_unistr2(&r_u->uni2_user_name, username, UNI_STR_TERMINATE);
1534         init_uni_hdr(&r_u->hdr_user_name, &r_u->uni2_user_name);
1535
1536         r_u->unk1 = 1;
1537
1538         r_u->ptr_dom_name = 1;
1539         init_unistr2(&r_u->uni2_dom_name, domname,  UNI_STR_TERMINATE);
1540         init_uni_hdr(&r_u->hdr_dom_name, &r_u->uni2_dom_name);
1541
1542         r_u->status = NT_STATUS_OK;
1543
1544         return r_u->status;
1545 }
1546
1547 /***************************************************************************
1548  Lsa Create Account
1549  ***************************************************************************/
1550
1551 NTSTATUS _lsa_create_account(pipes_struct *p, LSA_Q_CREATEACCOUNT *q_u, LSA_R_CREATEACCOUNT *r_u)
1552 {
1553         struct lsa_info *handle;
1554         struct lsa_info *info;
1555
1556         /* find the connection policy handle. */
1557         if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&handle))
1558                 return NT_STATUS_INVALID_HANDLE;
1559
1560         /* check if the user have enough rights */
1561
1562         /*
1563          * I don't know if it's the right one. not documented.
1564          * but guessed with rpcclient.
1565          */
1566         if (!(handle->access & POLICY_GET_PRIVATE_INFORMATION)) {
1567                 DEBUG(10, ("_lsa_create_account: No POLICY_GET_PRIVATE_INFORMATION access right!\n"));
1568                 return NT_STATUS_ACCESS_DENIED;
1569         }
1570
1571         /* check to see if the pipe_user is a Domain Admin since
1572            account_pol.tdb was already opened as root, this is all we have */
1573
1574         if ( !nt_token_check_domain_rid( p->pipe_user.nt_user_token, DOMAIN_GROUP_RID_ADMINS ) ) {
1575                 DEBUG(10, ("_lsa_create_account: The use is not a Domain Admin, deny access!\n"));
1576                 return NT_STATUS_ACCESS_DENIED;
1577         }
1578
1579         if ( is_privileged_sid( &q_u->sid.sid ) ) {
1580                 DEBUG(10, ("_lsa_create_account: Policy account already exists!\n"));
1581                 return NT_STATUS_OBJECT_NAME_COLLISION;
1582         }
1583
1584         /* associate the user/group SID with the (unique) handle. */
1585
1586         if ((info = SMB_MALLOC_P(struct lsa_info)) == NULL)
1587                 return NT_STATUS_NO_MEMORY;
1588
1589         ZERO_STRUCTP(info);
1590         info->sid = q_u->sid.sid;
1591         info->access = q_u->access;
1592
1593         /* get a (unique) handle.  open a policy on it. */
1594         if (!create_policy_hnd(p, &r_u->pol, free_lsa_info, (void *)info))
1595                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
1596
1597         DEBUG(10, ("_lsa_create_account: call privileges code to create an account\n"));
1598         return privilege_create_account( &info->sid );
1599 }
1600
1601
1602 /***************************************************************************
1603  Lsa Open Account
1604  ***************************************************************************/
1605
1606 NTSTATUS _lsa_open_account(pipes_struct *p, LSA_Q_OPENACCOUNT *q_u, LSA_R_OPENACCOUNT *r_u)
1607 {
1608         struct lsa_info *handle;
1609         struct lsa_info *info;
1610
1611         /* find the connection policy handle. */
1612         if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&handle))
1613                 return NT_STATUS_INVALID_HANDLE;
1614
1615         /* check if the user have enough rights */
1616
1617         /*
1618          * I don't know if it's the right one. not documented.
1619          * but guessed with rpcclient.
1620          */
1621         if (!(handle->access & POLICY_GET_PRIVATE_INFORMATION))
1622                 return NT_STATUS_ACCESS_DENIED;
1623
1624         /* TODO: Fis the parsing routine before reenabling this check! */
1625         #if 0
1626         if (!lookup_sid(&handle->sid, dom_name, name, &type))
1627                 return NT_STATUS_ACCESS_DENIED;
1628         #endif
1629         /* associate the user/group SID with the (unique) handle. */
1630         if ((info = SMB_MALLOC_P(struct lsa_info)) == NULL)
1631                 return NT_STATUS_NO_MEMORY;
1632
1633         ZERO_STRUCTP(info);
1634         info->sid = q_u->sid.sid;
1635         info->access = q_u->access;
1636
1637         /* get a (unique) handle.  open a policy on it. */
1638         if (!create_policy_hnd(p, &r_u->pol, free_lsa_info, (void *)info))
1639                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
1640
1641         return NT_STATUS_OK;
1642 }
1643
1644 /***************************************************************************
1645  For a given SID, enumerate all the privilege this account has.
1646  ***************************************************************************/
1647
1648 NTSTATUS _lsa_enum_privsaccount(pipes_struct *p, prs_struct *ps, LSA_Q_ENUMPRIVSACCOUNT *q_u, LSA_R_ENUMPRIVSACCOUNT *r_u)
1649 {
1650         struct lsa_info *info=NULL;
1651         SE_PRIV mask;
1652         PRIVILEGE_SET privileges;
1653
1654         /* find the connection policy handle. */
1655         if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&info))
1656                 return NT_STATUS_INVALID_HANDLE;
1657
1658         if ( !get_privileges_for_sids( &mask, &info->sid, 1 ) )
1659                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
1660
1661         privilege_set_init( &privileges );
1662
1663         if ( se_priv_to_privilege_set( &privileges, &mask ) ) {
1664
1665                 DEBUG(10,("_lsa_enum_privsaccount: %s has %d privileges\n",
1666                         sid_string_static(&info->sid), privileges.count));
1667
1668                 r_u->status = init_lsa_r_enum_privsaccount(ps->mem_ctx, r_u, privileges.set, privileges.count, 0);
1669         }
1670         else
1671                 r_u->status = NT_STATUS_NO_SUCH_PRIVILEGE;
1672
1673         privilege_set_free( &privileges );
1674
1675         return r_u->status;
1676 }
1677
1678 /***************************************************************************
1679
1680  ***************************************************************************/
1681
1682 NTSTATUS _lsa_getsystemaccount(pipes_struct *p, LSA_Q_GETSYSTEMACCOUNT *q_u, LSA_R_GETSYSTEMACCOUNT *r_u)
1683 {
1684         struct lsa_info *info=NULL;
1685
1686         /* find the connection policy handle. */
1687
1688         if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&info))
1689                 return NT_STATUS_INVALID_HANDLE;
1690
1691         if (!lookup_sid(p->mem_ctx, &info->sid, NULL, NULL, NULL))
1692                 return NT_STATUS_OK;
1693
1694         /*
1695           0x01 -> Log on locally
1696           0x02 -> Access this computer from network
1697           0x04 -> Log on as a batch job
1698           0x10 -> Log on as a service
1699
1700           they can be ORed together
1701         */
1702
1703         r_u->access = PR_LOG_ON_LOCALLY | PR_ACCESS_FROM_NETWORK;
1704
1705         return NT_STATUS_OK;
1706 }
1707
1708 /***************************************************************************
1709   update the systemaccount information
1710  ***************************************************************************/
1711
1712 NTSTATUS _lsa_setsystemaccount(pipes_struct *p, LSA_Q_SETSYSTEMACCOUNT *q_u, LSA_R_SETSYSTEMACCOUNT *r_u)
1713 {
1714         struct lsa_info *info=NULL;
1715         GROUP_MAP map;
1716         r_u->status = NT_STATUS_OK;
1717
1718         /* find the connection policy handle. */
1719         if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&info))
1720                 return NT_STATUS_INVALID_HANDLE;
1721
1722         /* check to see if the pipe_user is a Domain Admin since
1723            account_pol.tdb was already opened as root, this is all we have */
1724
1725         if ( !nt_token_check_domain_rid( p->pipe_user.nt_user_token, DOMAIN_GROUP_RID_ADMINS ) )
1726                 return NT_STATUS_ACCESS_DENIED;
1727
1728         if (!pdb_getgrsid(&map, info->sid))
1729                 return NT_STATUS_NO_SUCH_GROUP;
1730
1731         return pdb_update_group_mapping_entry(&map);
1732 }
1733
1734 /***************************************************************************
1735  For a given SID, add some privileges.
1736  ***************************************************************************/
1737
1738 NTSTATUS _lsa_addprivs(pipes_struct *p, LSA_Q_ADDPRIVS *q_u, LSA_R_ADDPRIVS *r_u)
1739 {
1740         struct lsa_info *info = NULL;
1741         SE_PRIV mask;
1742         PRIVILEGE_SET *set = NULL;
1743
1744         /* find the connection policy handle. */
1745         if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&info))
1746                 return NT_STATUS_INVALID_HANDLE;
1747
1748         /* check to see if the pipe_user is root or a Domain Admin since
1749            account_pol.tdb was already opened as root, this is all we have */
1750
1751         if ( p->pipe_user.ut.uid != sec_initial_uid()
1752                 && !nt_token_check_domain_rid( p->pipe_user.nt_user_token, DOMAIN_GROUP_RID_ADMINS ) )
1753         {
1754                 return NT_STATUS_ACCESS_DENIED;
1755         }
1756
1757         set = &q_u->set;
1758
1759         if ( !privilege_set_to_se_priv( &mask, set ) )
1760                 return NT_STATUS_NO_SUCH_PRIVILEGE;
1761
1762         if ( !grant_privilege( &info->sid, &mask ) ) {
1763                 DEBUG(3,("_lsa_addprivs: grant_privilege(%s) failed!\n",
1764                         sid_string_static(&info->sid) ));
1765                 DEBUG(3,("Privilege mask:\n"));
1766                 dump_se_priv( DBGC_ALL, 3, &mask );
1767                 return NT_STATUS_NO_SUCH_PRIVILEGE;
1768         }
1769
1770         return NT_STATUS_OK;
1771 }
1772
1773 /***************************************************************************
1774  For a given SID, remove some privileges.
1775  ***************************************************************************/
1776
1777 NTSTATUS _lsa_removeprivs(pipes_struct *p, LSA_Q_REMOVEPRIVS *q_u, LSA_R_REMOVEPRIVS *r_u)
1778 {
1779         struct lsa_info *info = NULL;
1780         SE_PRIV mask;
1781         PRIVILEGE_SET *set = NULL;
1782
1783         /* find the connection policy handle. */
1784         if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&info))
1785                 return NT_STATUS_INVALID_HANDLE;
1786
1787         /* check to see if the pipe_user is root or a Domain Admin since
1788            account_pol.tdb was already opened as root, this is all we have */
1789
1790         if ( p->pipe_user.ut.uid != sec_initial_uid()
1791                 && !nt_token_check_domain_rid( p->pipe_user.nt_user_token, DOMAIN_GROUP_RID_ADMINS ) )
1792         {
1793                 return NT_STATUS_ACCESS_DENIED;
1794         }
1795
1796         set = &q_u->set;
1797
1798         if ( !privilege_set_to_se_priv( &mask, set ) )
1799                 return NT_STATUS_NO_SUCH_PRIVILEGE;
1800
1801         if ( !revoke_privilege( &info->sid, &mask ) ) {
1802                 DEBUG(3,("_lsa_removeprivs: revoke_privilege(%s) failed!\n",
1803                         sid_string_static(&info->sid) ));
1804                 DEBUG(3,("Privilege mask:\n"));
1805                 dump_se_priv( DBGC_ALL, 3, &mask );
1806                 return NT_STATUS_NO_SUCH_PRIVILEGE;
1807         }
1808
1809         return NT_STATUS_OK;
1810 }
1811
1812 /***************************************************************************
1813  For a given SID, remove some privileges.
1814  ***************************************************************************/
1815
1816 NTSTATUS _lsa_query_secobj(pipes_struct *p, LSA_Q_QUERY_SEC_OBJ *q_u, LSA_R_QUERY_SEC_OBJ *r_u)
1817 {
1818         struct lsa_info *handle=NULL;
1819         SEC_DESC *psd = NULL;
1820         size_t sd_size;
1821         NTSTATUS status;
1822
1823         r_u->status = NT_STATUS_OK;
1824
1825         /* find the connection policy handle. */
1826         if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&handle))
1827                 return NT_STATUS_INVALID_HANDLE;
1828
1829         /* check if the user have enough rights */
1830         if (!(handle->access & POLICY_VIEW_LOCAL_INFORMATION))
1831                 return NT_STATUS_ACCESS_DENIED;
1832
1833
1834         switch (q_u->sec_info) {
1835         case 1:
1836                 /* SD contains only the owner */
1837
1838                 status=lsa_get_generic_sd(p->mem_ctx, &psd, &sd_size);
1839                 if(!NT_STATUS_IS_OK(status))
1840                         return NT_STATUS_NO_MEMORY;
1841
1842
1843                 if((r_u->buf = make_sec_desc_buf(p->mem_ctx, sd_size, psd)) == NULL)
1844                         return NT_STATUS_NO_MEMORY;
1845                 break;
1846         case 4:
1847                 /* SD contains only the ACL */
1848
1849                 status=lsa_get_generic_sd(p->mem_ctx, &psd, &sd_size);
1850                 if(!NT_STATUS_IS_OK(status))
1851                         return NT_STATUS_NO_MEMORY;
1852
1853                 if((r_u->buf = make_sec_desc_buf(p->mem_ctx, sd_size, psd)) == NULL)
1854                         return NT_STATUS_NO_MEMORY;
1855                 break;
1856         default:
1857                 return NT_STATUS_INVALID_LEVEL;
1858         }
1859
1860         r_u->ptr=1;
1861
1862         return r_u->status;
1863 }
1864
1865 #if 0   /* AD DC work in ongoing in Samba 4 */
1866
1867 /***************************************************************************
1868  ***************************************************************************/
1869
1870 NTSTATUS _lsa_query_info2(pipes_struct *p, LSA_Q_QUERY_INFO2 *q_u, LSA_R_QUERY_INFO2 *r_u)
1871 {
1872         struct lsa_info *handle;
1873         const char *nb_name;
1874         char *dns_name = NULL;
1875         char *forest_name = NULL;
1876         DOM_SID *sid = NULL;
1877         struct uuid guid;
1878         fstring dnsdomname;
1879
1880         ZERO_STRUCT(guid);
1881         r_u->status = NT_STATUS_OK;
1882
1883         if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&handle))
1884                 return NT_STATUS_INVALID_HANDLE;
1885
1886         switch (q_u->info_class) {
1887         case 0x0c:
1888                 /* check if the user have enough rights */
1889                 if (!(handle->access & POLICY_VIEW_LOCAL_INFORMATION))
1890                         return NT_STATUS_ACCESS_DENIED;
1891
1892                 /* Request PolicyPrimaryDomainInformation. */
1893                 switch (lp_server_role()) {
1894                         case ROLE_DOMAIN_PDC:
1895                         case ROLE_DOMAIN_BDC:
1896                                 nb_name = get_global_sam_name();
1897                                 /* ugly temp hack for these next two */
1898
1899                                 /* This should be a 'netbios domain -> DNS domain' mapping */
1900                                 dnsdomname[0] = '\0';
1901                                 get_mydnsdomname(dnsdomname);
1902                                 strlower_m(dnsdomname);
1903
1904                                 dns_name = dnsdomname;
1905                                 forest_name = dnsdomname;
1906
1907                                 sid = get_global_sam_sid();
1908                                 secrets_fetch_domain_guid(lp_workgroup(), &guid);
1909                                 break;
1910                         default:
1911                                 return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
1912                 }
1913                 init_dns_dom_info(&r_u->info.dns_dom_info, nb_name, dns_name,
1914                                   forest_name,&guid,sid);
1915                 break;
1916         default:
1917                 DEBUG(0,("_lsa_query_info2: unknown info level in Lsa Query: %d\n", q_u->info_class));
1918                 r_u->status = NT_STATUS_INVALID_INFO_CLASS;
1919                 break;
1920         }
1921
1922         if (NT_STATUS_IS_OK(r_u->status)) {
1923                 r_u->ptr = 0x1;
1924                 r_u->info_class = q_u->info_class;
1925         }
1926
1927         return r_u->status;
1928 }
1929 #endif  /* AD DC work in ongoing in Samba 4 */
1930
1931 /***************************************************************************
1932  ***************************************************************************/
1933
1934 NTSTATUS _lsa_add_acct_rights(pipes_struct *p, LSA_Q_ADD_ACCT_RIGHTS *q_u, LSA_R_ADD_ACCT_RIGHTS *r_u)
1935 {
1936         struct lsa_info *info = NULL;
1937         int i = 0;
1938         DOM_SID sid;
1939         fstring privname;
1940         UNISTR4_ARRAY *uni_privnames = q_u->rights;
1941
1942
1943         /* find the connection policy handle. */
1944         if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&info))
1945                 return NT_STATUS_INVALID_HANDLE;
1946
1947         /* check to see if the pipe_user is a Domain Admin since
1948            account_pol.tdb was already opened as root, this is all we have */
1949
1950         if ( p->pipe_user.ut.uid != sec_initial_uid()
1951                 && !nt_token_check_domain_rid( p->pipe_user.nt_user_token, DOMAIN_GROUP_RID_ADMINS ) )
1952         {
1953                 return NT_STATUS_ACCESS_DENIED;
1954         }
1955
1956         /* according to an NT4 PDC, you can add privileges to SIDs even without
1957            call_lsa_create_account() first.  And you can use any arbitrary SID. */
1958
1959         sid_copy( &sid, &q_u->sid.sid );
1960
1961         /* just a little sanity check */
1962
1963         if ( q_u->count != uni_privnames->count ) {
1964                 DEBUG(0,("_lsa_add_acct_rights: count != number of UNISTR2 elements!\n"));
1965                 return NT_STATUS_INVALID_HANDLE;
1966         }
1967
1968         for ( i=0; i<q_u->count; i++ ) {
1969                 UNISTR4 *uni4_str = &uni_privnames->strings[i];
1970
1971                 /* only try to add non-null strings */
1972
1973                 if ( !uni4_str->string )
1974                         continue;
1975
1976                 rpcstr_pull( privname, uni4_str->string->buffer, sizeof(privname), -1, STR_TERMINATE );
1977
1978                 if ( !grant_privilege_by_name( &sid, privname ) ) {
1979                         DEBUG(2,("_lsa_add_acct_rights: Failed to add privilege [%s]\n", privname ));
1980                         return NT_STATUS_NO_SUCH_PRIVILEGE;
1981                 }
1982         }
1983
1984         return NT_STATUS_OK;
1985 }
1986
1987 /***************************************************************************
1988  ***************************************************************************/
1989
1990 NTSTATUS _lsa_remove_acct_rights(pipes_struct *p, LSA_Q_REMOVE_ACCT_RIGHTS *q_u, LSA_R_REMOVE_ACCT_RIGHTS *r_u)
1991 {
1992         struct lsa_info *info = NULL;
1993         int i = 0;
1994         DOM_SID sid;
1995         fstring privname;
1996         UNISTR4_ARRAY *uni_privnames = q_u->rights;
1997
1998
1999         /* find the connection policy handle. */
2000         if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&info))
2001                 return NT_STATUS_INVALID_HANDLE;
2002
2003         /* check to see if the pipe_user is a Domain Admin since
2004            account_pol.tdb was already opened as root, this is all we have */
2005
2006         if ( p->pipe_user.ut.uid != sec_initial_uid()
2007                 && !nt_token_check_domain_rid( p->pipe_user.nt_user_token, DOMAIN_GROUP_RID_ADMINS ) )
2008         {
2009                 return NT_STATUS_ACCESS_DENIED;
2010         }
2011
2012         sid_copy( &sid, &q_u->sid.sid );
2013
2014         if ( q_u->removeall ) {
2015                 if ( !revoke_all_privileges( &sid ) )
2016                         return NT_STATUS_ACCESS_DENIED;
2017
2018                 return NT_STATUS_OK;
2019         }
2020
2021         /* just a little sanity check */
2022
2023         if ( q_u->count != uni_privnames->count ) {
2024                 DEBUG(0,("_lsa_add_acct_rights: count != number of UNISTR2 elements!\n"));
2025                 return NT_STATUS_INVALID_HANDLE;
2026         }
2027
2028         for ( i=0; i<q_u->count; i++ ) {
2029                 UNISTR4 *uni4_str = &uni_privnames->strings[i];
2030
2031                 /* only try to add non-null strings */
2032
2033                 if ( !uni4_str->string )
2034                         continue;
2035
2036                 rpcstr_pull( privname, uni4_str->string->buffer, sizeof(privname), -1, STR_TERMINATE );
2037
2038                 if ( !revoke_privilege_by_name( &sid, privname ) ) {
2039                         DEBUG(2,("_lsa_remove_acct_rights: Failed to revoke privilege [%s]\n", privname ));
2040                         return NT_STATUS_NO_SUCH_PRIVILEGE;
2041                 }
2042         }
2043
2044         return NT_STATUS_OK;
2045 }
2046
2047
2048 /***************************************************************************
2049  ***************************************************************************/
2050
2051 NTSTATUS _lsa_enum_acct_rights(pipes_struct *p, LSA_Q_ENUM_ACCT_RIGHTS *q_u, LSA_R_ENUM_ACCT_RIGHTS *r_u)
2052 {
2053         struct lsa_info *info = NULL;
2054         DOM_SID sid;
2055         PRIVILEGE_SET privileges;
2056         SE_PRIV mask;
2057
2058
2059         /* find the connection policy handle. */
2060
2061         if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&info))
2062                 return NT_STATUS_INVALID_HANDLE;
2063
2064         /* according to an NT4 PDC, you can add privileges to SIDs even without
2065            call_lsa_create_account() first.  And you can use any arbitrary SID. */
2066
2067         sid_copy( &sid, &q_u->sid.sid );
2068
2069         if ( !get_privileges_for_sids( &mask, &sid, 1 ) )
2070                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
2071
2072         privilege_set_init( &privileges );
2073
2074         if ( se_priv_to_privilege_set( &privileges, &mask ) ) {
2075
2076                 DEBUG(10,("_lsa_enum_acct_rights: %s has %d privileges\n",
2077                         sid_string_static(&sid), privileges.count));
2078
2079                 r_u->status = init_r_enum_acct_rights( r_u, &privileges );
2080         }
2081         else
2082                 r_u->status = NT_STATUS_NO_SUCH_PRIVILEGE;
2083
2084         privilege_set_free( &privileges );
2085
2086         return r_u->status;
2087 }
2088
2089
2090 /***************************************************************************
2091  ***************************************************************************/
2092
2093 NTSTATUS _lsa_lookup_priv_value(pipes_struct *p, LSA_Q_LOOKUP_PRIV_VALUE *q_u, LSA_R_LOOKUP_PRIV_VALUE *r_u)
2094 {
2095         struct lsa_info *info = NULL;
2096         fstring name;
2097         LUID_ATTR priv_luid;
2098         SE_PRIV mask;
2099
2100         /* find the connection policy handle. */
2101
2102         if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&info))
2103                 return NT_STATUS_INVALID_HANDLE;
2104
2105         unistr2_to_ascii(name, &q_u->privname.unistring, sizeof(name));
2106
2107         DEBUG(10,("_lsa_lookup_priv_value: name = %s\n", name));
2108
2109         if ( !se_priv_from_name( name, &mask ) )
2110                 return NT_STATUS_NO_SUCH_PRIVILEGE;
2111
2112         priv_luid = get_privilege_luid( &mask );
2113
2114         r_u->luid.low  = priv_luid.luid.low;
2115         r_u->luid.high = priv_luid.luid.high;
2116
2117
2118         return NT_STATUS_OK;
2119 }