source/rpc_server/srv_lsa_nt.c

   1 /*
   2  *  Unix SMB/CIFS implementation.
   3  *  RPC Pipe client / server routines
   4  *  Copyright (C) Andrew Tridgell              1992-1997,
   5  *  Copyright (C) Luke Kenneth Casson Leighton 1996-1997,
   6  *  Copyright (C) Paul Ashton                       1997,
   7  *  Copyright (C) Jeremy Allison                    2001,
   8  *  Copyright (C) Rafal Szczesniak                  2002,
   9  *  Copyright (C) Jim McDonough <jmcd@us.ibm.com>   2002,
  10  *  Copyright (C) Simo Sorce                        2003.
  11  *  Copyright (C) Gerald (Jerry) Carter             2005.
  12  *  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(DOM_QUERY *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_ref - adds a domain if it's not already in, returns the index.
  98 ***************************************************************************/
  99
 100 static int init_dom_ref(DOM_R_REF *ref, const char *dom_name, DOM_SID *dom_sid)
 101 {
 102         int num = 0;
 103
 104         if (dom_name != NULL) {
 105                 for (num = 0; num < ref->num_ref_doms_1; num++) {
 106                         if (sid_equal(dom_sid, &ref->ref_dom[num].ref_dom.sid))
 107                                 return num;
 108                 }
 109         } else {
 110                 num = ref->num_ref_doms_1;
 111         }
 112
 113         if (num >= MAX_REF_DOMAINS) {
 114                 /* index not found, already at maximum domain limit */
 115                 return -1;
 116         }
 117
 118         ref->num_ref_doms_1 = num+1;
 119         ref->ptr_ref_dom  = 1;
 120         ref->max_entries = MAX_REF_DOMAINS;
 121         ref->num_ref_doms_2 = num+1;
 122
 123         ref->hdr_ref_dom[num].ptr_dom_sid = dom_sid != NULL ? 1 : 0;
 124
 125         init_unistr2(&ref->ref_dom[num].uni_dom_name, dom_name, UNI_FLAGS_NONE);
 126         init_uni_hdr(&ref->hdr_ref_dom[num].hdr_dom_name, &ref->ref_dom[num].uni_dom_name);
 127
 128         init_dom_sid2(&ref->ref_dom[num].ref_dom, dom_sid );
 129
 130         return num;
 131 }
 132
 133 /***************************************************************************
 134  init_lsa_rids
 135  ***************************************************************************/
 136
 137 static int init_lsa_rids(TALLOC_CTX *mem_ctx,
 138                           DOM_R_REF *ref, DOM_RID *prid,
 139                           int num_entries, UNISTR2 *name,
 140                           int flags)
 141 {
 142         int mapped_count, i;
 143
 144         SMB_ASSERT(num_entries <= MAX_LOOKUP_SIDS);
 145
 146         mapped_count = 0;
 147
 148         become_root(); /* lookup_name can require root privs */
 149
 150         for (i = 0; i < num_entries; i++) {
 151                 DOM_SID sid;
 152                 uint32 rid;
 153                 int dom_idx;
 154                 char *full_name;
 155                 const char *domain;
 156                 enum SID_NAME_USE type = SID_NAME_UNKNOWN;
 157
 158                 /* Split name into domain and user component */
 159
 160                 full_name = rpcstr_pull_unistr2_talloc(mem_ctx, &name[i]);
 161                 if (full_name == NULL) {
 162                         DEBUG(0, ("pull_ucs2_talloc failed\n"));
 163                         return 0;
 164                 }
 165
 166                 DEBUG(5, ("init_lsa_rids: looking up name %s\n", full_name));
 167
 168                 /* We can ignore the result of lookup_name, it will not touch
 169                    "type" if it's not successful */
 170
 171                 lookup_name(mem_ctx, full_name, flags, &domain, NULL,
 172                             &sid, &type);
 173
 174
 175                 switch (type) {
 176                 case SID_NAME_USER:
 177                 case SID_NAME_DOM_GRP:
 178                 case SID_NAME_DOMAIN:
 179                 case SID_NAME_ALIAS:
 180                 case SID_NAME_WKN_GRP:
 181                         DEBUG(5, ("init_lsa_rids: %s found\n", full_name));
 182                         /* Leave these unchanged */
 183                         break;
 184                 default:
 185                         /* Don't hand out anything but the list above */
 186                         DEBUG(5, ("init_lsa_rids: %s not found\n", full_name));
 187                         type = SID_NAME_UNKNOWN;
 188                         break;
 189                 }
 190
 191                 rid = 0;
 192                 dom_idx = -1;
 193
 194                 if (type != SID_NAME_UNKNOWN) {
 195                         sid_split_rid(&sid, &rid);
 196                         dom_idx = init_dom_ref(ref, domain, &sid);
 197                         mapped_count++;
 198                 }
 199
 200                 init_dom_rid(&prid[i], rid, type, dom_idx);
 201         }
 202
 203         unbecome_root();
 204
 205         return mapped_count;
 206 }
 207
 208 /***************************************************************************
 209  init_reply_lookup_names
 210  ***************************************************************************/
 211
 212 static void init_reply_lookup_names(LSA_R_LOOKUP_NAMES *r_l,
 213                 DOM_R_REF *ref, uint32 num_entries,
 214                 DOM_RID *rid, uint32 mapped_count)
 215 {
 216         r_l->ptr_dom_ref  = 1;
 217         r_l->dom_ref      = ref;
 218
 219         r_l->num_entries  = num_entries;
 220         r_l->ptr_entries  = 1;
 221         r_l->num_entries2 = num_entries;
 222         r_l->dom_rid      = rid;
 223
 224         r_l->mapped_count = mapped_count;
 225 }
 226
 227 /***************************************************************************
 228  Init_reply_lookup_sids.
 229  ***************************************************************************/
 230
 231 static void init_reply_lookup_sids2(LSA_R_LOOKUP_SIDS2 *r_l,
 232                                 DOM_R_REF *ref,
 233                                 LSA_TRANS_NAME_ENUM2 *names,
 234                                 uint32 mapped_count)
 235 {
 236         r_l->ptr_dom_ref  = ref ? 1 : 0;
 237         r_l->dom_ref      = ref;
 238         r_l->names        = names;
 239         r_l->mapped_count = mapped_count;
 240 }
 241
 242 /***************************************************************************
 243  Init_reply_lookup_sids.
 244  ***************************************************************************/
 245
 246 static void init_reply_lookup_sids3(LSA_R_LOOKUP_SIDS3 *r_l,
 247                                 DOM_R_REF *ref,
 248                                 LSA_TRANS_NAME_ENUM2 *names,
 249                                 uint32 mapped_count)
 250 {
 251         r_l->ptr_dom_ref  = ref ? 1 : 0;
 252         r_l->dom_ref      = ref;
 253         r_l->names        = names;
 254         r_l->mapped_count = mapped_count;
 255 }
 256
 257 /***************************************************************************
 258  Init_reply_lookup_sids.
 259  ***************************************************************************/
 260
 261 static NTSTATUS init_reply_lookup_sids(TALLOC_CTX *mem_ctx,
 262                                 LSA_R_LOOKUP_SIDS *r_l,
 263                                 DOM_R_REF *ref,
 264                                 LSA_TRANS_NAME_ENUM2 *names,
 265                                 uint32 mapped_count)
 266 {
 267         LSA_TRANS_NAME_ENUM *oldnames = TALLOC_ZERO_P(mem_ctx, LSA_TRANS_NAME_ENUM);
 268
 269         if (!oldnames) {
 270                 return NT_STATUS_NO_MEMORY;
 271         }
 272
 273         oldnames->num_entries = names->num_entries;
 274         oldnames->ptr_trans_names = names->ptr_trans_names;
 275         oldnames->num_entries2 = names->num_entries2;
 276         oldnames->uni_name = names->uni_name;
 277
 278         if (names->num_entries) {
 279                 int i;
 280
 281                 oldnames->name = TALLOC_ARRAY(oldnames, LSA_TRANS_NAME, names->num_entries);
 282
 283                 if (!oldnames->name) {
 284                         return NT_STATUS_NO_MEMORY;
 285                 }
 286                 for (i = 0; i < names->num_entries; i++) {
 287                         oldnames->name[i].sid_name_use = names->name[i].sid_name_use;
 288                         oldnames->name[i].hdr_name = names->name[i].hdr_name;
 289                         oldnames->name[i].domain_idx = names->name[i].domain_idx;
 290                 }
 291         }
 292
 293         r_l->ptr_dom_ref  = ref ? 1 : 0;
 294         r_l->dom_ref      = ref;
 295         r_l->names        = oldnames;
 296         r_l->mapped_count = mapped_count;
 297         return NT_STATUS_OK;
 298 }
 299
 300 static NTSTATUS lsa_get_generic_sd(TALLOC_CTX *mem_ctx, SEC_DESC **sd, size_t *sd_size)
 301 {
 302         DOM_SID local_adm_sid;
 303         DOM_SID adm_sid;
 304
 305         SEC_ACE ace[3];
 306         SEC_ACCESS mask;
 307
 308         SEC_ACL *psa = NULL;
 309
 310         init_sec_access(&mask, POLICY_EXECUTE);
 311         init_sec_ace(&ace[0], &global_sid_World, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0);
 312
 313         sid_copy(&adm_sid, get_global_sam_sid());
 314         sid_append_rid(&adm_sid, DOMAIN_GROUP_RID_ADMINS);
 315         init_sec_access(&mask, POLICY_ALL_ACCESS);
 316         init_sec_ace(&ace[1], &adm_sid, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0);
 317
 318         sid_copy(&local_adm_sid, &global_sid_Builtin);
 319         sid_append_rid(&local_adm_sid, BUILTIN_ALIAS_RID_ADMINS);
 320         init_sec_access(&mask, POLICY_ALL_ACCESS);
 321         init_sec_ace(&ace[2], &local_adm_sid, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0);
 322
 323         if((psa = make_sec_acl(mem_ctx, NT4_ACL_REVISION, 3, ace)) == NULL)
 324                 return NT_STATUS_NO_MEMORY;
 325
 326         if((*sd = make_sec_desc(mem_ctx, SEC_DESC_REVISION, SEC_DESC_SELF_RELATIVE, &adm_sid, NULL, NULL, psa, sd_size)) == NULL)
 327                 return NT_STATUS_NO_MEMORY;
 328
 329         return NT_STATUS_OK;
 330 }
 331
 332 #if 0   /* AD DC work in ongoing in Samba 4 */
 333
 334 /***************************************************************************
 335  Init_dns_dom_info.
 336 ***************************************************************************/
 337
 338 static void init_dns_dom_info(LSA_DNS_DOM_INFO *r_l, const char *nb_name,
 339                               const char *dns_name, const char *forest_name,
 340                               struct uuid *dom_guid, DOM_SID *dom_sid)
 341 {
 342         if (nb_name && *nb_name) {
 343                 init_unistr2(&r_l->uni_nb_dom_name, nb_name, UNI_FLAGS_NONE);
 344                 init_uni_hdr(&r_l->hdr_nb_dom_name, &r_l->uni_nb_dom_name);
 345                 r_l->hdr_nb_dom_name.uni_max_len += 2;
 346                 r_l->uni_nb_dom_name.uni_max_len += 1;
 347         }
 348
 349         if (dns_name && *dns_name) {
 350                 init_unistr2(&r_l->uni_dns_dom_name, dns_name, UNI_FLAGS_NONE);
 351                 init_uni_hdr(&r_l->hdr_dns_dom_name, &r_l->uni_dns_dom_name);
 352                 r_l->hdr_dns_dom_name.uni_max_len += 2;
 353                 r_l->uni_dns_dom_name.uni_max_len += 1;
 354         }
 355
 356         if (forest_name && *forest_name) {
 357                 init_unistr2(&r_l->uni_forest_name, forest_name, UNI_FLAGS_NONE);
 358                 init_uni_hdr(&r_l->hdr_forest_name, &r_l->uni_forest_name);
 359                 r_l->hdr_forest_name.uni_max_len += 2;
 360                 r_l->uni_forest_name.uni_max_len += 1;
 361         }
 362
 363         /* how do we init the guid ? probably should write an init fn */
 364         if (dom_guid) {
 365                 memcpy(&r_l->dom_guid, dom_guid, sizeof(struct uuid));
 366         }
 367
 368         if (dom_sid) {
 369                 r_l->ptr_dom_sid = 1;
 370                 init_dom_sid2(&r_l->dom_sid, dom_sid);
 371         }
 372 }
 373 #endif  /* AD DC work in ongoing in Samba 4 */
 374
 375
 376 /***************************************************************************
 377  _lsa_open_policy2.
 378  ***************************************************************************/
 379
 380 NTSTATUS _lsa_open_policy2(pipes_struct *p, LSA_Q_OPEN_POL2 *q_u, LSA_R_OPEN_POL2 *r_u)
 381 {
 382         struct lsa_info *info;
 383         SEC_DESC *psd = NULL;
 384         size_t sd_size;
 385         uint32 des_access=q_u->des_access;
 386         uint32 acc_granted;
 387         NTSTATUS status;
 388
 389
 390         /* map the generic bits to the lsa policy ones */
 391         se_map_generic(&des_access, &lsa_generic_mapping);
 392
 393         /* get the generic lsa policy SD until we store it */
 394         lsa_get_generic_sd(p->mem_ctx, &psd, &sd_size);
 395
 396         if(!se_access_check(psd, p->pipe_user.nt_user_token, des_access, &acc_granted, &status)) {
 397                 if (geteuid() != 0) {
 398                         return status;
 399                 }
 400                 DEBUG(4,("ACCESS should be DENIED (granted: %#010x;  required: %#010x)\n",
 401                          acc_granted, des_access));
 402                 DEBUGADD(4,("but overwritten by euid == 0\n"));
 403         }
 404
 405         /* This is needed for lsa_open_account and rpcclient .... :-) */
 406
 407         if (geteuid() == 0)
 408                 acc_granted = POLICY_ALL_ACCESS;
 409
 410         /* associate the domain SID with the (unique) handle. */
 411         if ((info = SMB_MALLOC_P(struct lsa_info)) == NULL)
 412                 return NT_STATUS_NO_MEMORY;
 413
 414         ZERO_STRUCTP(info);
 415         sid_copy(&info->sid,get_global_sam_sid());
 416         info->access = acc_granted;
 417
 418         /* set up the LSA QUERY INFO response */
 419         if (!create_policy_hnd(p, &r_u->pol, free_lsa_info, (void *)info))
 420                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
 421
 422         return NT_STATUS_OK;
 423 }
 424
 425 /***************************************************************************
 426  _lsa_open_policy
 427  ***************************************************************************/
 428
 429 NTSTATUS _lsa_open_policy(pipes_struct *p, LSA_Q_OPEN_POL *q_u, LSA_R_OPEN_POL *r_u)
 430 {
 431         struct lsa_info *info;
 432         SEC_DESC *psd = NULL;
 433         size_t sd_size;
 434         uint32 des_access=q_u->des_access;
 435         uint32 acc_granted;
 436         NTSTATUS status;
 437
 438
 439         /* map the generic bits to the lsa policy ones */
 440         se_map_generic(&des_access, &lsa_generic_mapping);
 441
 442         /* get the generic lsa policy SD until we store it */
 443         lsa_get_generic_sd(p->mem_ctx, &psd, &sd_size);
 444
 445         if(!se_access_check(psd, p->pipe_user.nt_user_token, des_access, &acc_granted, &status)) {
 446                 if (geteuid() != 0) {
 447                         return status;
 448                 }
 449                 DEBUG(4,("ACCESS should be DENIED (granted: %#010x;  required: %#010x)\n",
 450                          acc_granted, des_access));
 451                 DEBUGADD(4,("but overwritten by euid == 0\n"));
 452                 acc_granted = des_access;
 453         }
 454
 455         /* associate the domain SID with the (unique) handle. */
 456         if ((info = SMB_MALLOC_P(struct lsa_info)) == NULL)
 457                 return NT_STATUS_NO_MEMORY;
 458
 459         ZERO_STRUCTP(info);
 460         sid_copy(&info->sid,get_global_sam_sid());
 461         info->access = acc_granted;
 462
 463         /* set up the LSA QUERY INFO response */
 464         if (!create_policy_hnd(p, &r_u->pol, free_lsa_info, (void *)info))
 465                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
 466
 467         return NT_STATUS_OK;
 468 }
 469
 470 /***************************************************************************
 471  _lsa_enum_trust_dom - this needs fixing to do more than return NULL ! JRA.
 472  ufff, done :)  mimir
 473  ***************************************************************************/
 474
 475 NTSTATUS _lsa_enum_trust_dom(pipes_struct *p, LSA_Q_ENUM_TRUST_DOM *q_u,
 476                              LSA_R_ENUM_TRUST_DOM *r_u)
 477 {
 478         struct lsa_info *info;
 479         uint32 next_idx;
 480         struct trustdom_info **domains;
 481
 482         /*
 483          * preferred length is set to 5 as a "our" preferred length
 484          * nt sets this parameter to 2
 485          * update (20.08.2002): it's not preferred length, but preferred size!
 486          * it needs further investigation how to optimally choose this value
 487          */
 488         uint32 max_num_domains =
 489                 q_u->preferred_len < 5 ? q_u->preferred_len : 10;
 490         uint32 num_domains;
 491         NTSTATUS nt_status;
 492         uint32 num_thistime;
 493
 494         if (!find_policy_by_hnd(p, &q_u->pol, (void **)(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_trusted_domains(p->mem_ctx, &num_domains,
 502                                             &domains);
 503
 504         if (!NT_STATUS_IS_OK(nt_status)) {
 505                 return nt_status;
 506         }
 507
 508         if (q_u->enum_context < num_domains) {
 509                 num_thistime = MIN(num_domains, max_num_domains);
 510
 511                 r_u->status = STATUS_MORE_ENTRIES;
 512
 513                 if (q_u->enum_context + num_thistime > num_domains) {
 514                         num_thistime = num_domains - q_u->enum_context;
 515                         r_u->status = NT_STATUS_OK;
 516                 }
 517
 518                 next_idx = q_u->enum_context + num_thistime;
 519         } else {
 520                 num_thistime = 0;
 521                 next_idx = 0xffffffff;
 522                 r_u->status = NT_STATUS_NO_MORE_ENTRIES;
 523         }
 524
 525         /* set up the lsa_enum_trust_dom response */
 526
 527         init_r_enum_trust_dom(p->mem_ctx, r_u, next_idx,
 528                               num_thistime, domains+q_u->enum_context);
 529
 530         return r_u->status;
 531 }
 532
 533 /***************************************************************************
 534  _lsa_query_info. See the POLICY_INFOMATION_CLASS docs at msdn.
 535  ***************************************************************************/
 536
 537 NTSTATUS _lsa_query_info(pipes_struct *p, LSA_Q_QUERY_INFO *q_u, LSA_R_QUERY_INFO *r_u)
 538 {
 539         struct lsa_info *handle;
 540         LSA_INFO_UNION *info = &r_u->dom;
 541         DOM_SID domain_sid;
 542         const char *name;
 543         DOM_SID *sid = NULL;
 544
 545         r_u->status = NT_STATUS_OK;
 546
 547         if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&handle))
 548                 return NT_STATUS_INVALID_HANDLE;
 549
 550         switch (q_u->info_class) {
 551         case 0x02:
 552                 {
 553                 unsigned int i;
 554                 /* check if the user have enough rights */
 555                 if (!(handle->access & POLICY_VIEW_AUDIT_INFORMATION))
 556                         return NT_STATUS_ACCESS_DENIED;
 557
 558                 /* fake info: We audit everything. ;) */
 559                 info->id2.auditing_enabled = 1;
 560                 info->id2.count1 = 7;
 561                 info->id2.count2 = 7;
 562                 if ((info->id2.auditsettings = TALLOC_ARRAY(p->mem_ctx,uint32, 7)) == NULL)
 563                         return NT_STATUS_NO_MEMORY;
 564                 for (i = 0; i < 7; i++)
 565                         info->id2.auditsettings[i] = 3;
 566                 break;
 567                 }
 568         case 0x03:
 569                 /* check if the user have enough rights */
 570                 if (!(handle->access & POLICY_VIEW_LOCAL_INFORMATION))
 571                         return NT_STATUS_ACCESS_DENIED;
 572
 573                 /* Request PolicyPrimaryDomainInformation. */
 574                 switch (lp_server_role()) {
 575                         case ROLE_DOMAIN_PDC:
 576                         case ROLE_DOMAIN_BDC:
 577                                 name = get_global_sam_name();
 578                                 sid = get_global_sam_sid();
 579                                 break;
 580                         case ROLE_DOMAIN_MEMBER:
 581                                 name = lp_workgroup();
 582                                 /* We need to return the Domain SID here. */
 583                                 if (secrets_fetch_domain_sid(lp_workgroup(), &domain_sid))
 584                                         sid = &domain_sid;
 585                                 else
 586                                         return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
 587                                 break;
 588                         case ROLE_STANDALONE:
 589                                 name = lp_workgroup();
 590                                 sid = NULL;
 591                                 break;
 592                         default:
 593                                 return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
 594                 }
 595                 init_dom_query(&r_u->dom.id3, name, sid);
 596                 break;
 597         case 0x05:
 598                 /* check if the user have enough rights */
 599                 if (!(handle->access & POLICY_VIEW_LOCAL_INFORMATION))
 600                         return NT_STATUS_ACCESS_DENIED;
 601
 602                 /* Request PolicyAccountDomainInformation. */
 603                 name = get_global_sam_name();
 604                 sid = get_global_sam_sid();
 605                 init_dom_query(&r_u->dom.id5, name, sid);
 606                 break;
 607         case 0x06:
 608                 /* check if the user have enough rights */
 609                 if (!(handle->access & POLICY_VIEW_LOCAL_INFORMATION))
 610                         return NT_STATUS_ACCESS_DENIED;
 611
 612                 switch (lp_server_role()) {
 613                         case ROLE_DOMAIN_BDC:
 614                                 /*
 615                                  * only a BDC is a backup controller
 616                                  * of the domain, it controls.
 617                                  */
 618                                 info->id6.server_role = 2;
 619                                 break;
 620                         default:
 621                                 /*
 622                                  * any other role is a primary
 623                                  * of the domain, it controls.
 624                                  */
 625                                 info->id6.server_role = 3;
 626                                 break;
 627                 }
 628                 break;
 629         default:
 630                 DEBUG(0,("_lsa_query_info: unknown info level in Lsa Query: %d\n", q_u->info_class));
 631                 r_u->status = NT_STATUS_INVALID_INFO_CLASS;
 632                 break;
 633         }
 634
 635         if (NT_STATUS_IS_OK(r_u->status)) {
 636                 r_u->undoc_buffer = 0x22000000; /* bizarre */
 637                 r_u->info_class = q_u->info_class;
 638         }
 639
 640         return r_u->status;
 641 }
 642
 643 /***************************************************************************
 644  _lsa_lookup_sids_internal
 645  ***************************************************************************/
 646
 647 static NTSTATUS _lsa_lookup_sids_internal(pipes_struct *p,
 648                                 uint16 level,                           /* input */
 649                                 int num_sids,                           /* input */
 650                                 const DOM_SID2 *sid,                    /* input */
 651                                 DOM_R_REF **pp_ref,                     /* output */
 652                                 LSA_TRANS_NAME_ENUM2 **pp_names,        /* output */
 653                                 uint32 *pp_mapped_count)
 654 {
 655         NTSTATUS status;
 656         int i;
 657         const DOM_SID **sids = NULL;
 658         LSA_TRANS_NAME_ENUM2 *names = NULL;
 659         DOM_R_REF *ref = NULL;
 660         uint32 mapped_count = 0;
 661         struct lsa_dom_info *dom_infos = NULL;
 662         struct lsa_name_info *name_infos = NULL;
 663
 664         *pp_mapped_count = 0;
 665         *pp_ref = NULL;
 666         *pp_names = NULL;
 667
 668         names = TALLOC_ZERO_P(p->mem_ctx, LSA_TRANS_NAME_ENUM2);
 669         sids = TALLOC_ARRAY(p->mem_ctx, const DOM_SID *, num_sids);
 670         ref = TALLOC_ZERO_P(p->mem_ctx, DOM_R_REF);
 671
 672         if (sids == NULL || names == NULL || ref == NULL) {
 673                 return NT_STATUS_NO_MEMORY;
 674         }
 675
 676         for (i=0; i<num_sids; i++) {
 677                 sids[i] = &sid[i].sid;
 678         }
 679
 680         status = lookup_sids(p->mem_ctx, num_sids, sids, level,
 681                                   &dom_infos, &name_infos);
 682
 683         if (!NT_STATUS_IS_OK(status)) {
 684                 return status;
 685         }
 686
 687         if (num_sids > 0) {
 688                 names->name = TALLOC_ARRAY(names, LSA_TRANS_NAME2, num_sids);
 689                 names->uni_name = TALLOC_ARRAY(names, UNISTR2, num_sids);
 690                 if ((names->name == NULL) || (names->uni_name == NULL)) {
 691                         return NT_STATUS_NO_MEMORY;
 692                 }
 693         }
 694
 695         for (i=0; i<MAX_REF_DOMAINS; i++) {
 696
 697                 if (!dom_infos[i].valid) {
 698                         break;
 699                 }
 700
 701                 if (init_dom_ref(ref, dom_infos[i].name,
 702                                  &dom_infos[i].sid) != i) {
 703                         DEBUG(0, ("Domain %s mentioned twice??\n",
 704                                   dom_infos[i].name));
 705                         return NT_STATUS_INTERNAL_ERROR;
 706                 }
 707         }
 708
 709         for (i=0; i<num_sids; i++) {
 710                 struct lsa_name_info *name = &name_infos[i];
 711
 712                 if (name->type == SID_NAME_UNKNOWN) {
 713                         name->dom_idx = -1;
 714                         name->name = talloc_asprintf(p->mem_ctx, "%8.8x",
 715                                                      name->rid);
 716                         if (name->name == NULL) {
 717                                 return NT_STATUS_NO_MEMORY;
 718                         }
 719                 } else {
 720                         mapped_count += 1;
 721                 }
 722                 init_lsa_trans_name2(&names->name[i], &names->uni_name[i],
 723                                     name->type, name->name, name->dom_idx);
 724         }
 725
 726         names->num_entries = num_sids;
 727         names->ptr_trans_names = 1;
 728         names->num_entries2 = num_sids;
 729
 730         status = NT_STATUS_NONE_MAPPED;
 731         if (mapped_count > 0) {
 732                 status = (mapped_count < num_sids) ?
 733                         STATUS_SOME_UNMAPPED : NT_STATUS_OK;
 734         }
 735
 736         DEBUG(10, ("num_sids %d, mapped_count %d, status %s\n",
 737                    num_sids, mapped_count, nt_errstr(status)));
 738
 739         *pp_mapped_count = mapped_count;
 740         *pp_ref = ref;
 741         *pp_names = names;
 742
 743         return status;
 744 }
 745
 746 /***************************************************************************
 747  _lsa_lookup_sids
 748  ***************************************************************************/
 749
 750 NTSTATUS _lsa_lookup_sids(pipes_struct *p,
 751                           LSA_Q_LOOKUP_SIDS *q_u,
 752                           LSA_R_LOOKUP_SIDS *r_u)
 753 {
 754         struct lsa_info *handle;
 755         int num_sids = q_u->sids.num_entries;
 756         uint32 mapped_count = 0;
 757         DOM_R_REF *ref = NULL;
 758         LSA_TRANS_NAME_ENUM2 *names = NULL;
 759         NTSTATUS status;
 760
 761         if ((q_u->level < 1) || (q_u->level > 6)) {
 762                 return NT_STATUS_INVALID_PARAMETER;
 763         }
 764
 765         if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&handle)) {
 766                 return NT_STATUS_INVALID_HANDLE;
 767         }
 768
 769         /* check if the user has enough rights */
 770         if (!(handle->access & POLICY_LOOKUP_NAMES)) {
 771                 return NT_STATUS_ACCESS_DENIED;
 772         }
 773
 774         if (num_sids >  MAX_LOOKUP_SIDS) {
 775                 DEBUG(5,("_lsa_lookup_sids: limit of %d exceeded, requested %d\n",
 776                          MAX_LOOKUP_SIDS, num_sids));
 777                 return NT_STATUS_NONE_MAPPED;
 778         }
 779
 780         r_u->status = _lsa_lookup_sids_internal(p,
 781                                                 q_u->level,
 782                                                 num_sids,
 783                                                 q_u->sids.sid,
 784                                                 &ref,
 785                                                 &names,
 786                                                 &mapped_count);
 787
 788         /* Convert from LSA_TRANS_NAME_ENUM2 to LSA_TRANS_NAME_ENUM */
 789
 790         status = init_reply_lookup_sids(p->mem_ctx, r_u, ref, names, mapped_count);
 791         if (!NT_STATUS_IS_OK(status)) {
 792                 return status;
 793         }
 794         return r_u->status;
 795 }
 796
 797 /***************************************************************************
 798  _lsa_lookup_sids2
 799  ***************************************************************************/
 800
 801 NTSTATUS _lsa_lookup_sids2(pipes_struct *p,
 802                           LSA_Q_LOOKUP_SIDS2 *q_u,
 803                           LSA_R_LOOKUP_SIDS2 *r_u)
 804 {
 805         struct lsa_info *handle;
 806         int num_sids = q_u->sids.num_entries;
 807         uint32 mapped_count = 0;
 808         DOM_R_REF *ref = NULL;
 809         LSA_TRANS_NAME_ENUM2 *names = NULL;
 810
 811         if ((q_u->level < 1) || (q_u->level > 6)) {
 812                 return NT_STATUS_INVALID_PARAMETER;
 813         }
 814
 815         if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&handle)) {
 816                 return NT_STATUS_INVALID_HANDLE;
 817         }
 818
 819         /* check if the user have enough rights */
 820         if (!(handle->access & POLICY_LOOKUP_NAMES)) {
 821                 return NT_STATUS_ACCESS_DENIED;
 822         }
 823
 824         if (num_sids >  MAX_LOOKUP_SIDS) {
 825                 DEBUG(5,("_lsa_lookup_sids2: limit of %d exceeded, requested %d\n",
 826                          MAX_LOOKUP_SIDS, num_sids));
 827                 return NT_STATUS_NONE_MAPPED;
 828         }
 829
 830         r_u->status = _lsa_lookup_sids_internal(p,
 831                                                 q_u->level,
 832                                                 num_sids,
 833                                                 q_u->sids.sid,
 834                                                 &ref,
 835                                                 &names,
 836                                                 &mapped_count);
 837
 838         init_reply_lookup_sids2(r_u, ref, names, mapped_count);
 839         return r_u->status;
 840 }
 841
 842 /***************************************************************************
 843  _lsa_lookup_sida3
 844  ***************************************************************************/
 845
 846 NTSTATUS _lsa_lookup_sids3(pipes_struct *p,
 847                           LSA_Q_LOOKUP_SIDS3 *q_u,
 848                           LSA_R_LOOKUP_SIDS3 *r_u)
 849 {
 850         int num_sids = q_u->sids.num_entries;
 851         uint32 mapped_count = 0;
 852         DOM_R_REF *ref = NULL;
 853         LSA_TRANS_NAME_ENUM2 *names = NULL;
 854
 855         if ((q_u->level < 1) || (q_u->level > 6)) {
 856                 return NT_STATUS_INVALID_PARAMETER;
 857         }
 858
 859         /* No policy handle on this call. Restrict to crypto connections. */
 860         if (p->auth.auth_type != PIPE_AUTH_TYPE_SCHANNEL) {
 861                 DEBUG(0,("_lsa_lookup_sids3: client %s not using schannel for netlogon\n",
 862                         get_remote_machine_name() ));
 863                 return NT_STATUS_INVALID_PARAMETER;
 864         }
 865
 866         if (num_sids >  MAX_LOOKUP_SIDS) {
 867                 DEBUG(5,("_lsa_lookup_sids3: limit of %d exceeded, requested %d\n",
 868                          MAX_LOOKUP_SIDS, num_sids));
 869                 return NT_STATUS_NONE_MAPPED;
 870         }
 871
 872         r_u->status = _lsa_lookup_sids_internal(p,
 873                                                 q_u->level,
 874                                                 num_sids,
 875                                                 q_u->sids.sid,
 876                                                 &ref,
 877                                                 &names,
 878                                                 &mapped_count);
 879
 880         init_reply_lookup_sids3(r_u, ref, names, mapped_count);
 881         return r_u->status;
 882 }
 883
 884 /***************************************************************************
 885 lsa_reply_lookup_names
 886  ***************************************************************************/
 887
 888 NTSTATUS _lsa_lookup_names(pipes_struct *p,LSA_Q_LOOKUP_NAMES *q_u, LSA_R_LOOKUP_NAMES *r_u)
 889 {
 890         struct lsa_info *handle;
 891         UNISTR2 *names = q_u->uni_name;
 892         int num_entries = q_u->num_entries;
 893         DOM_R_REF *ref;
 894         DOM_RID *rids;
 895         uint32 mapped_count = 0;
 896         int flags = 0;
 897
 898         if (num_entries >  MAX_LOOKUP_SIDS) {
 899                 num_entries = MAX_LOOKUP_SIDS;
 900                 DEBUG(5,("_lsa_lookup_names: truncating name lookup list to %d\n", num_entries));
 901         }
 902
 903         /* Probably the lookup_level is some sort of bitmask. */
 904         if (q_u->lookup_level == 1) {
 905                 flags = LOOKUP_NAME_ALL;
 906         }
 907
 908         ref = TALLOC_ZERO_P(p->mem_ctx, DOM_R_REF);
 909         rids = TALLOC_ZERO_ARRAY(p->mem_ctx, DOM_RID, num_entries);
 910
 911         if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&handle)) {
 912                 r_u->status = NT_STATUS_INVALID_HANDLE;
 913                 goto done;
 914         }
 915
 916         /* check if the user have enough rights */
 917         if (!(handle->access & POLICY_LOOKUP_NAMES)) {
 918                 r_u->status = NT_STATUS_ACCESS_DENIED;
 919                 goto done;
 920         }
 921
 922         if (!ref || !rids)
 923                 return NT_STATUS_NO_MEMORY;
 924
 925         /* set up the LSA Lookup RIDs response */
 926         mapped_count = init_lsa_rids(p->mem_ctx, ref, rids, num_entries,
 927                                       names, flags);
 928 done:
 929
 930         if (NT_STATUS_IS_OK(r_u->status)) {
 931                 if (mapped_count == 0)
 932                         r_u->status = NT_STATUS_NONE_MAPPED;
 933                 else if (mapped_count != num_entries)
 934                         r_u->status = STATUS_SOME_UNMAPPED;
 935         }
 936         init_reply_lookup_names(r_u, ref, num_entries, rids, mapped_count);
 937
 938         return r_u->status;
 939 }
 940
 941 /***************************************************************************
 942  _lsa_close. Also weird - needs to check if lsa handle is correct. JRA.
 943  ***************************************************************************/
 944
 945 NTSTATUS _lsa_close(pipes_struct *p, LSA_Q_CLOSE *q_u, LSA_R_CLOSE *r_u)
 946 {
 947         if (!find_policy_by_hnd(p, &q_u->pol, NULL))
 948                 return NT_STATUS_INVALID_HANDLE;
 949
 950         close_policy_hnd(p, &q_u->pol);
 951         return NT_STATUS_OK;
 952 }
 953
 954 /***************************************************************************
 955  ***************************************************************************/
 956
 957 NTSTATUS _lsa_open_secret(pipes_struct *p, LSA_Q_OPEN_SECRET *q_u, LSA_R_OPEN_SECRET *r_u)
 958 {
 959         return NT_STATUS_OBJECT_NAME_NOT_FOUND;
 960 }
 961
 962 /***************************************************************************
 963  ***************************************************************************/
 964
 965 NTSTATUS _lsa_open_trusted_domain(pipes_struct *p, LSA_Q_OPEN_TRUSTED_DOMAIN *q_u, LSA_R_OPEN_TRUSTED_DOMAIN *r_u)
 966 {
 967         return NT_STATUS_OBJECT_NAME_NOT_FOUND;
 968 }
 969
 970 /***************************************************************************
 971  ***************************************************************************/
 972
 973 NTSTATUS _lsa_create_trusted_domain(pipes_struct *p, LSA_Q_CREATE_TRUSTED_DOMAIN *q_u, LSA_R_CREATE_TRUSTED_DOMAIN *r_u)
 974 {
 975         return NT_STATUS_ACCESS_DENIED;
 976 }
 977
 978 /***************************************************************************
 979  ***************************************************************************/
 980
 981 NTSTATUS _lsa_create_secret(pipes_struct *p, LSA_Q_CREATE_SECRET *q_u, LSA_R_CREATE_SECRET *r_u)
 982 {
 983         return NT_STATUS_ACCESS_DENIED;
 984 }
 985
 986 /***************************************************************************
 987  ***************************************************************************/
 988
 989 NTSTATUS _lsa_set_secret(pipes_struct *p, LSA_Q_SET_SECRET *q_u, LSA_R_SET_SECRET *r_u)
 990 {
 991         return NT_STATUS_ACCESS_DENIED;
 992 }
 993
 994 /***************************************************************************
 995  ***************************************************************************/
 996
 997 NTSTATUS _lsa_delete_object(pipes_struct *p, LSA_Q_DELETE_OBJECT *q_u, LSA_R_DELETE_OBJECT *r_u)
 998 {
 999         return NT_STATUS_ACCESS_DENIED;
1000 }
1001
1002 /***************************************************************************
1003 _lsa_enum_privs.
1004  ***************************************************************************/
1005
1006 NTSTATUS _lsa_enum_privs(pipes_struct *p, LSA_Q_ENUM_PRIVS *q_u, LSA_R_ENUM_PRIVS *r_u)
1007 {
1008         struct lsa_info *handle;
1009         uint32 i;
1010         uint32 enum_context = q_u->enum_context;
1011         int num_privs = count_all_privileges();
1012         LSA_PRIV_ENTRY *entries = NULL;
1013         LUID_ATTR luid;
1014
1015         /* remember that the enum_context starts at 0 and not 1 */
1016
1017         if ( enum_context >= num_privs )
1018                 return NT_STATUS_NO_MORE_ENTRIES;
1019
1020         DEBUG(10,("_lsa_enum_privs: enum_context:%d total entries:%d\n",
1021                 enum_context, num_privs));
1022
1023         if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&handle))
1024                 return NT_STATUS_INVALID_HANDLE;
1025
1026         /* check if the user have enough rights
1027            I don't know if it's the right one. not documented.  */
1028
1029         if (!(handle->access & POLICY_VIEW_LOCAL_INFORMATION))
1030                 return NT_STATUS_ACCESS_DENIED;
1031
1032         if ( !(entries = TALLOC_ZERO_ARRAY(p->mem_ctx, LSA_PRIV_ENTRY, num_privs )) )
1033                 return NT_STATUS_NO_MEMORY;
1034
1035         for (i = 0; i < num_privs; i++) {
1036                 if( i < enum_context) {
1037                         init_unistr2(&entries[i].name, NULL, UNI_FLAGS_NONE);
1038                         init_uni_hdr(&entries[i].hdr_name, &entries[i].name);
1039
1040                         entries[i].luid_low = 0;
1041                         entries[i].luid_high = 0;
1042                 } else {
1043                         init_unistr2(&entries[i].name, privs[i].name, UNI_FLAGS_NONE);
1044                         init_uni_hdr(&entries[i].hdr_name, &entries[i].name);
1045
1046                         luid = get_privilege_luid( &privs[i].se_priv );
1047
1048                         entries[i].luid_low = luid.luid.low;
1049                         entries[i].luid_high = luid.luid.high;
1050                 }
1051         }
1052
1053         enum_context = num_privs;
1054
1055         init_lsa_r_enum_privs(r_u, enum_context, num_privs, entries);
1056
1057         return NT_STATUS_OK;
1058 }
1059
1060 /***************************************************************************
1061 _lsa_priv_get_dispname.
1062  ***************************************************************************/
1063
1064 NTSTATUS _lsa_priv_get_dispname(pipes_struct *p, LSA_Q_PRIV_GET_DISPNAME *q_u, LSA_R_PRIV_GET_DISPNAME *r_u)
1065 {
1066         struct lsa_info *handle;
1067         fstring name_asc;
1068         const char *description;
1069
1070         if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&handle))
1071                 return NT_STATUS_INVALID_HANDLE;
1072
1073         /* check if the user have enough rights */
1074
1075         /*
1076          * I don't know if it's the right one. not documented.
1077          */
1078         if (!(handle->access & POLICY_VIEW_LOCAL_INFORMATION))
1079                 return NT_STATUS_ACCESS_DENIED;
1080
1081         unistr2_to_ascii(name_asc, &q_u->name, sizeof(name_asc));
1082
1083         DEBUG(10,("_lsa_priv_get_dispname: name = %s\n", name_asc));
1084
1085         description = get_privilege_dispname( name_asc );
1086
1087         if ( description ) {
1088                 DEBUG(10,("_lsa_priv_get_dispname: display name = %s\n", description));
1089
1090                 init_unistr2(&r_u->desc, description, UNI_FLAGS_NONE);
1091                 init_uni_hdr(&r_u->hdr_desc, &r_u->desc);
1092
1093                 r_u->ptr_info = 0xdeadbeef;
1094                 r_u->lang_id = q_u->lang_id;
1095
1096                 return NT_STATUS_OK;
1097         } else {
1098                 DEBUG(10,("_lsa_priv_get_dispname: doesn't exist\n"));
1099
1100                 r_u->ptr_info = 0;
1101
1102                 return NT_STATUS_NO_SUCH_PRIVILEGE;
1103         }
1104 }
1105
1106 /***************************************************************************
1107 _lsa_enum_accounts.
1108  ***************************************************************************/
1109
1110 NTSTATUS _lsa_enum_accounts(pipes_struct *p, LSA_Q_ENUM_ACCOUNTS *q_u, LSA_R_ENUM_ACCOUNTS *r_u)
1111 {
1112         struct lsa_info *handle;
1113         DOM_SID *sid_list;
1114         int i, j, num_entries;
1115         LSA_SID_ENUM *sids=&r_u->sids;
1116         NTSTATUS ret;
1117
1118         if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&handle))
1119                 return NT_STATUS_INVALID_HANDLE;
1120
1121         if (!(handle->access & POLICY_VIEW_LOCAL_INFORMATION))
1122                 return NT_STATUS_ACCESS_DENIED;
1123
1124         sid_list = NULL;
1125         num_entries = 0;
1126
1127         /* The only way we can currently find out all the SIDs that have been
1128            privileged is to scan all privileges */
1129
1130         if (!NT_STATUS_IS_OK(ret = privilege_enumerate_accounts(&sid_list, &num_entries))) {
1131                 return ret;
1132         }
1133
1134         if (q_u->enum_context >= num_entries)
1135                 return NT_STATUS_NO_MORE_ENTRIES;
1136
1137         sids->ptr_sid = TALLOC_ZERO_ARRAY(p->mem_ctx, uint32, num_entries-q_u->enum_context);
1138         sids->sid = TALLOC_ZERO_ARRAY(p->mem_ctx, DOM_SID2, num_entries-q_u->enum_context);
1139
1140         if (sids->ptr_sid==NULL || sids->sid==NULL) {
1141                 SAFE_FREE(sid_list);
1142                 return NT_STATUS_NO_MEMORY;
1143         }
1144
1145         for (i = q_u->enum_context, j = 0; i < num_entries; i++, j++) {
1146                 init_dom_sid2(&(*sids).sid[j], &sid_list[i]);
1147                 (*sids).ptr_sid[j] = 1;
1148         }
1149
1150         SAFE_FREE(sid_list);
1151
1152         init_lsa_r_enum_accounts(r_u, num_entries);
1153
1154         return NT_STATUS_OK;
1155 }
1156
1157
1158 NTSTATUS _lsa_unk_get_connuser(pipes_struct *p, LSA_Q_UNK_GET_CONNUSER *q_u, LSA_R_UNK_GET_CONNUSER *r_u)
1159 {
1160         fstring username, domname;
1161         user_struct *vuser = get_valid_user_struct(p->vuid);
1162
1163         if (vuser == NULL)
1164                 return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
1165
1166         fstrcpy(username, vuser->user.smb_name);
1167         fstrcpy(domname, vuser->user.domain);
1168
1169         r_u->ptr_user_name = 1;
1170         init_unistr2(&r_u->uni2_user_name, username, UNI_STR_TERMINATE);
1171         init_uni_hdr(&r_u->hdr_user_name, &r_u->uni2_user_name);
1172
1173         r_u->unk1 = 1;
1174
1175         r_u->ptr_dom_name = 1;
1176         init_unistr2(&r_u->uni2_dom_name, domname,  UNI_STR_TERMINATE);
1177         init_uni_hdr(&r_u->hdr_dom_name, &r_u->uni2_dom_name);
1178
1179         r_u->status = NT_STATUS_OK;
1180
1181         return r_u->status;
1182 }
1183
1184 /***************************************************************************
1185  Lsa Create Account
1186  ***************************************************************************/
1187
1188 NTSTATUS _lsa_create_account(pipes_struct *p, LSA_Q_CREATEACCOUNT *q_u, LSA_R_CREATEACCOUNT *r_u)
1189 {
1190         struct lsa_info *handle;
1191         struct lsa_info *info;
1192
1193         /* find the connection policy handle. */
1194         if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&handle))
1195                 return NT_STATUS_INVALID_HANDLE;
1196
1197         /* check if the user have enough rights */
1198
1199         /*
1200          * I don't know if it's the right one. not documented.
1201          * but guessed with rpcclient.
1202          */
1203         if (!(handle->access & POLICY_GET_PRIVATE_INFORMATION))
1204                 return NT_STATUS_ACCESS_DENIED;
1205
1206         /* check to see if the pipe_user is a Domain Admin since
1207            account_pol.tdb was already opened as root, this is all we have */
1208
1209         if ( !nt_token_check_domain_rid( p->pipe_user.nt_user_token, DOMAIN_GROUP_RID_ADMINS ) )
1210                 return NT_STATUS_ACCESS_DENIED;
1211
1212         if ( is_privileged_sid( &q_u->sid.sid ) )
1213                 return NT_STATUS_OBJECT_NAME_COLLISION;
1214
1215         /* associate the user/group SID with the (unique) handle. */
1216
1217         if ((info = SMB_MALLOC_P(struct lsa_info)) == NULL)
1218                 return NT_STATUS_NO_MEMORY;
1219
1220         ZERO_STRUCTP(info);
1221         info->sid = q_u->sid.sid;
1222         info->access = q_u->access;
1223
1224         /* get a (unique) handle.  open a policy on it. */
1225         if (!create_policy_hnd(p, &r_u->pol, free_lsa_info, (void *)info))
1226                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
1227
1228         return privilege_create_account( &info->sid );
1229 }
1230
1231
1232 /***************************************************************************
1233  Lsa Open Account
1234  ***************************************************************************/
1235
1236 NTSTATUS _lsa_open_account(pipes_struct *p, LSA_Q_OPENACCOUNT *q_u, LSA_R_OPENACCOUNT *r_u)
1237 {
1238         struct lsa_info *handle;
1239         struct lsa_info *info;
1240
1241         /* find the connection policy handle. */
1242         if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&handle))
1243                 return NT_STATUS_INVALID_HANDLE;
1244
1245         /* check if the user have enough rights */
1246
1247         /*
1248          * I don't know if it's the right one. not documented.
1249          * but guessed with rpcclient.
1250          */
1251         if (!(handle->access & POLICY_GET_PRIVATE_INFORMATION))
1252                 return NT_STATUS_ACCESS_DENIED;
1253
1254         /* TODO: Fis the parsing routine before reenabling this check! */
1255         #if 0
1256         if (!lookup_sid(&handle->sid, dom_name, name, &type))
1257                 return NT_STATUS_ACCESS_DENIED;
1258         #endif
1259         /* associate the user/group SID with the (unique) handle. */
1260         if ((info = SMB_MALLOC_P(struct lsa_info)) == NULL)
1261                 return NT_STATUS_NO_MEMORY;
1262
1263         ZERO_STRUCTP(info);
1264         info->sid = q_u->sid.sid;
1265         info->access = q_u->access;
1266
1267         /* get a (unique) handle.  open a policy on it. */
1268         if (!create_policy_hnd(p, &r_u->pol, free_lsa_info, (void *)info))
1269                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
1270
1271         return NT_STATUS_OK;
1272 }
1273
1274 /***************************************************************************
1275  For a given SID, enumerate all the privilege this account has.
1276  ***************************************************************************/
1277
1278 NTSTATUS _lsa_enum_privsaccount(pipes_struct *p, prs_struct *ps, LSA_Q_ENUMPRIVSACCOUNT *q_u, LSA_R_ENUMPRIVSACCOUNT *r_u)
1279 {
1280         struct lsa_info *info=NULL;
1281         SE_PRIV mask;
1282         PRIVILEGE_SET privileges;
1283
1284         /* find the connection policy handle. */
1285         if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&info))
1286                 return NT_STATUS_INVALID_HANDLE;
1287
1288         if ( !get_privileges_for_sids( &mask, &info->sid, 1 ) )
1289                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
1290
1291         privilege_set_init( &privileges );
1292
1293         if ( se_priv_to_privilege_set( &privileges, &mask ) ) {
1294
1295                 DEBUG(10,("_lsa_enum_privsaccount: %s has %d privileges\n",
1296                         sid_string_static(&info->sid), privileges.count));
1297
1298                 r_u->status = init_lsa_r_enum_privsaccount(ps->mem_ctx, r_u, privileges.set, privileges.count, 0);
1299         }
1300         else
1301                 r_u->status = NT_STATUS_NO_SUCH_PRIVILEGE;
1302
1303         privilege_set_free( &privileges );
1304
1305         return r_u->status;
1306 }
1307
1308 /***************************************************************************
1309
1310  ***************************************************************************/
1311
1312 NTSTATUS _lsa_getsystemaccount(pipes_struct *p, LSA_Q_GETSYSTEMACCOUNT *q_u, LSA_R_GETSYSTEMACCOUNT *r_u)
1313 {
1314         struct lsa_info *info=NULL;
1315
1316         /* find the connection policy handle. */
1317
1318         if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&info))
1319                 return NT_STATUS_INVALID_HANDLE;
1320
1321         if (!lookup_sid(p->mem_ctx, &info->sid, NULL, NULL, NULL))
1322                 return NT_STATUS_ACCESS_DENIED;
1323
1324         /*
1325           0x01 -> Log on locally
1326           0x02 -> Access this computer from network
1327           0x04 -> Log on as a batch job
1328           0x10 -> Log on as a service
1329
1330           they can be ORed together
1331         */
1332
1333         r_u->access = PR_LOG_ON_LOCALLY | PR_ACCESS_FROM_NETWORK;
1334
1335         return NT_STATUS_OK;
1336 }
1337
1338 /***************************************************************************
1339   update the systemaccount information
1340  ***************************************************************************/
1341
1342 NTSTATUS _lsa_setsystemaccount(pipes_struct *p, LSA_Q_SETSYSTEMACCOUNT *q_u, LSA_R_SETSYSTEMACCOUNT *r_u)
1343 {
1344         struct lsa_info *info=NULL;
1345         GROUP_MAP map;
1346         r_u->status = NT_STATUS_OK;
1347
1348         /* find the connection policy handle. */
1349         if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&info))
1350                 return NT_STATUS_INVALID_HANDLE;
1351
1352         /* check to see if the pipe_user is a Domain Admin since
1353            account_pol.tdb was already opened as root, this is all we have */
1354
1355         if ( !nt_token_check_domain_rid( p->pipe_user.nt_user_token, DOMAIN_GROUP_RID_ADMINS ) )
1356                 return NT_STATUS_ACCESS_DENIED;
1357
1358         if (!pdb_getgrsid(&map, info->sid))
1359                 return NT_STATUS_NO_SUCH_GROUP;
1360
1361         return pdb_update_group_mapping_entry(&map);
1362 }
1363
1364 /***************************************************************************
1365  For a given SID, add some privileges.
1366  ***************************************************************************/
1367
1368 NTSTATUS _lsa_addprivs(pipes_struct *p, LSA_Q_ADDPRIVS *q_u, LSA_R_ADDPRIVS *r_u)
1369 {
1370         struct lsa_info *info = NULL;
1371         SE_PRIV mask;
1372         PRIVILEGE_SET *set = NULL;
1373         struct current_user user;
1374
1375         /* find the connection policy handle. */
1376         if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&info))
1377                 return NT_STATUS_INVALID_HANDLE;
1378
1379         /* check to see if the pipe_user is root or a Domain Admin since
1380            account_pol.tdb was already opened as root, this is all we have */
1381
1382         get_current_user( &user, p );
1383         if ( user.ut.uid != sec_initial_uid()
1384                 && !nt_token_check_domain_rid( p->pipe_user.nt_user_token, DOMAIN_GROUP_RID_ADMINS ) )
1385         {
1386                 return NT_STATUS_ACCESS_DENIED;
1387         }
1388
1389         set = &q_u->set;
1390
1391         if ( !privilege_set_to_se_priv( &mask, set ) )
1392                 return NT_STATUS_NO_SUCH_PRIVILEGE;
1393
1394         if ( !grant_privilege( &info->sid, &mask ) ) {
1395                 DEBUG(3,("_lsa_addprivs: grant_privilege(%s) failed!\n",
1396                         sid_string_static(&info->sid) ));
1397                 DEBUG(3,("Privilege mask:\n"));
1398                 dump_se_priv( DBGC_ALL, 3, &mask );
1399                 return NT_STATUS_NO_SUCH_PRIVILEGE;
1400         }
1401
1402         return NT_STATUS_OK;
1403 }
1404
1405 /***************************************************************************
1406  For a given SID, remove some privileges.
1407  ***************************************************************************/
1408
1409 NTSTATUS _lsa_removeprivs(pipes_struct *p, LSA_Q_REMOVEPRIVS *q_u, LSA_R_REMOVEPRIVS *r_u)
1410 {
1411         struct lsa_info *info = NULL;
1412         SE_PRIV mask;
1413         PRIVILEGE_SET *set = NULL;
1414         struct current_user user;
1415
1416         /* find the connection policy handle. */
1417         if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&info))
1418                 return NT_STATUS_INVALID_HANDLE;
1419
1420         /* check to see if the pipe_user is root or a Domain Admin since
1421            account_pol.tdb was already opened as root, this is all we have */
1422
1423         get_current_user( &user, p );
1424         if ( user.ut.uid != sec_initial_uid()
1425                 && !nt_token_check_domain_rid( p->pipe_user.nt_user_token, DOMAIN_GROUP_RID_ADMINS ) )
1426         {
1427                 return NT_STATUS_ACCESS_DENIED;
1428         }
1429
1430         set = &q_u->set;
1431
1432         if ( !privilege_set_to_se_priv( &mask, set ) )
1433                 return NT_STATUS_NO_SUCH_PRIVILEGE;
1434
1435         if ( !revoke_privilege( &info->sid, &mask ) ) {
1436                 DEBUG(3,("_lsa_removeprivs: revoke_privilege(%s) failed!\n",
1437                         sid_string_static(&info->sid) ));
1438                 DEBUG(3,("Privilege mask:\n"));
1439                 dump_se_priv( DBGC_ALL, 3, &mask );
1440                 return NT_STATUS_NO_SUCH_PRIVILEGE;
1441         }
1442
1443         return NT_STATUS_OK;
1444 }
1445
1446 /***************************************************************************
1447  For a given SID, remove some privileges.
1448  ***************************************************************************/
1449
1450 NTSTATUS _lsa_query_secobj(pipes_struct *p, LSA_Q_QUERY_SEC_OBJ *q_u, LSA_R_QUERY_SEC_OBJ *r_u)
1451 {
1452         struct lsa_info *handle=NULL;
1453         SEC_DESC *psd = NULL;
1454         size_t sd_size;
1455         NTSTATUS status;
1456
1457         r_u->status = NT_STATUS_OK;
1458
1459         /* find the connection policy handle. */
1460         if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&handle))
1461                 return NT_STATUS_INVALID_HANDLE;
1462
1463         /* check if the user have enough rights */
1464         if (!(handle->access & POLICY_VIEW_LOCAL_INFORMATION))
1465                 return NT_STATUS_ACCESS_DENIED;
1466
1467
1468         switch (q_u->sec_info) {
1469         case 1:
1470                 /* SD contains only the owner */
1471
1472                 status=lsa_get_generic_sd(p->mem_ctx, &psd, &sd_size);
1473                 if(!NT_STATUS_IS_OK(status))
1474                         return NT_STATUS_NO_MEMORY;
1475
1476
1477                 if((r_u->buf = make_sec_desc_buf(p->mem_ctx, sd_size, psd)) == NULL)
1478                         return NT_STATUS_NO_MEMORY;
1479                 break;
1480         case 4:
1481                 /* SD contains only the ACL */
1482
1483                 status=lsa_get_generic_sd(p->mem_ctx, &psd, &sd_size);
1484                 if(!NT_STATUS_IS_OK(status))
1485                         return NT_STATUS_NO_MEMORY;
1486
1487                 if((r_u->buf = make_sec_desc_buf(p->mem_ctx, sd_size, psd)) == NULL)
1488                         return NT_STATUS_NO_MEMORY;
1489                 break;
1490         default:
1491                 return NT_STATUS_INVALID_LEVEL;
1492         }
1493
1494         r_u->ptr=1;
1495
1496         return r_u->status;
1497 }
1498
1499 #if 0   /* AD DC work in ongoing in Samba 4 */
1500
1501 /***************************************************************************
1502  ***************************************************************************/
1503
1504 NTSTATUS _lsa_query_info2(pipes_struct *p, LSA_Q_QUERY_INFO2 *q_u, LSA_R_QUERY_INFO2 *r_u)
1505 {
1506         struct lsa_info *handle;
1507         const char *nb_name;
1508         char *dns_name = NULL;
1509         char *forest_name = NULL;
1510         DOM_SID *sid = NULL;
1511         struct uuid guid;
1512         fstring dnsdomname;
1513
1514         ZERO_STRUCT(guid);
1515         r_u->status = NT_STATUS_OK;
1516
1517         if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&handle))
1518                 return NT_STATUS_INVALID_HANDLE;
1519
1520         switch (q_u->info_class) {
1521         case 0x0c:
1522                 /* check if the user have enough rights */
1523                 if (!(handle->access & POLICY_VIEW_LOCAL_INFORMATION))
1524                         return NT_STATUS_ACCESS_DENIED;
1525
1526                 /* Request PolicyPrimaryDomainInformation. */
1527                 switch (lp_server_role()) {
1528                         case ROLE_DOMAIN_PDC:
1529                         case ROLE_DOMAIN_BDC:
1530                                 nb_name = get_global_sam_name();
1531                                 /* ugly temp hack for these next two */
1532
1533                                 /* This should be a 'netbios domain -> DNS domain' mapping */
1534                                 dnsdomname[0] = '\0';
1535                                 get_mydnsdomname(dnsdomname);
1536                                 strlower_m(dnsdomname);
1537
1538                                 dns_name = dnsdomname;
1539                                 forest_name = dnsdomname;
1540
1541                                 sid = get_global_sam_sid();
1542                                 secrets_fetch_domain_guid(lp_workgroup(), &guid);
1543                                 break;
1544                         default:
1545                                 return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
1546                 }
1547                 init_dns_dom_info(&r_u->info.dns_dom_info, nb_name, dns_name,
1548                                   forest_name,&guid,sid);
1549                 break;
1550         default:
1551                 DEBUG(0,("_lsa_query_info2: unknown info level in Lsa Query: %d\n", q_u->info_class));
1552                 r_u->status = NT_STATUS_INVALID_INFO_CLASS;
1553                 break;
1554         }
1555
1556         if (NT_STATUS_IS_OK(r_u->status)) {
1557                 r_u->ptr = 0x1;
1558                 r_u->info_class = q_u->info_class;
1559         }
1560
1561         return r_u->status;
1562 }
1563 #endif  /* AD DC work in ongoing in Samba 4 */
1564
1565 /***************************************************************************
1566  ***************************************************************************/
1567
1568 NTSTATUS _lsa_add_acct_rights(pipes_struct *p, LSA_Q_ADD_ACCT_RIGHTS *q_u, LSA_R_ADD_ACCT_RIGHTS *r_u)
1569 {
1570         struct lsa_info *info = NULL;
1571         int i = 0;
1572         DOM_SID sid;
1573         fstring privname;
1574         UNISTR4_ARRAY *uni_privnames = q_u->rights;
1575         struct current_user user;
1576
1577
1578         /* find the connection policy handle. */
1579         if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&info))
1580                 return NT_STATUS_INVALID_HANDLE;
1581
1582         /* check to see if the pipe_user is a Domain Admin since
1583            account_pol.tdb was already opened as root, this is all we have */
1584
1585         get_current_user( &user, p );
1586         if ( user.ut.uid != sec_initial_uid()
1587                 && !nt_token_check_domain_rid( p->pipe_user.nt_user_token, DOMAIN_GROUP_RID_ADMINS ) )
1588         {
1589                 return NT_STATUS_ACCESS_DENIED;
1590         }
1591
1592         /* according to an NT4 PDC, you can add privileges to SIDs even without
1593            call_lsa_create_account() first.  And you can use any arbitrary SID. */
1594
1595         sid_copy( &sid, &q_u->sid.sid );
1596
1597         /* just a little sanity check */
1598
1599         if ( q_u->count != uni_privnames->count ) {
1600                 DEBUG(0,("_lsa_add_acct_rights: count != number of UNISTR2 elements!\n"));
1601                 return NT_STATUS_INVALID_HANDLE;
1602         }
1603
1604         for ( i=0; i<q_u->count; i++ ) {
1605                 UNISTR4 *uni4_str = &uni_privnames->strings[i];
1606
1607                 /* only try to add non-null strings */
1608
1609                 if ( !uni4_str->string )
1610                         continue;
1611
1612                 rpcstr_pull( privname, uni4_str->string->buffer, sizeof(privname), -1, STR_TERMINATE );
1613
1614                 if ( !grant_privilege_by_name( &sid, privname ) ) {
1615                         DEBUG(2,("_lsa_add_acct_rights: Failed to add privilege [%s]\n", privname ));
1616                         return NT_STATUS_NO_SUCH_PRIVILEGE;
1617                 }
1618         }
1619
1620         return NT_STATUS_OK;
1621 }
1622
1623 /***************************************************************************
1624  ***************************************************************************/
1625
1626 NTSTATUS _lsa_remove_acct_rights(pipes_struct *p, LSA_Q_REMOVE_ACCT_RIGHTS *q_u, LSA_R_REMOVE_ACCT_RIGHTS *r_u)
1627 {
1628         struct lsa_info *info = NULL;
1629         int i = 0;
1630         DOM_SID sid;
1631         fstring privname;
1632         UNISTR4_ARRAY *uni_privnames = q_u->rights;
1633         struct current_user user;
1634
1635
1636         /* find the connection policy handle. */
1637         if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&info))
1638                 return NT_STATUS_INVALID_HANDLE;
1639
1640         /* check to see if the pipe_user is a Domain Admin since
1641            account_pol.tdb was already opened as root, this is all we have */
1642
1643         get_current_user( &user, p );
1644         if ( user.ut.uid != sec_initial_uid()
1645                 && !nt_token_check_domain_rid( p->pipe_user.nt_user_token, DOMAIN_GROUP_RID_ADMINS ) )
1646         {
1647                 return NT_STATUS_ACCESS_DENIED;
1648         }
1649
1650         sid_copy( &sid, &q_u->sid.sid );
1651
1652         if ( q_u->removeall ) {
1653                 if ( !revoke_all_privileges( &sid ) )
1654                         return NT_STATUS_ACCESS_DENIED;
1655
1656                 return NT_STATUS_OK;
1657         }
1658
1659         /* just a little sanity check */
1660
1661         if ( q_u->count != uni_privnames->count ) {
1662                 DEBUG(0,("_lsa_add_acct_rights: count != number of UNISTR2 elements!\n"));
1663                 return NT_STATUS_INVALID_HANDLE;
1664         }
1665
1666         for ( i=0; i<q_u->count; i++ ) {
1667                 UNISTR4 *uni4_str = &uni_privnames->strings[i];
1668
1669                 /* only try to add non-null strings */
1670
1671                 if ( !uni4_str->string )
1672                         continue;
1673
1674                 rpcstr_pull( privname, uni4_str->string->buffer, sizeof(privname), -1, STR_TERMINATE );
1675
1676                 if ( !revoke_privilege_by_name( &sid, privname ) ) {
1677                         DEBUG(2,("_lsa_remove_acct_rights: Failed to revoke privilege [%s]\n", privname ));
1678                         return NT_STATUS_NO_SUCH_PRIVILEGE;
1679                 }
1680         }
1681
1682         return NT_STATUS_OK;
1683 }
1684
1685
1686 /***************************************************************************
1687  ***************************************************************************/
1688
1689 NTSTATUS _lsa_enum_acct_rights(pipes_struct *p, LSA_Q_ENUM_ACCT_RIGHTS *q_u, LSA_R_ENUM_ACCT_RIGHTS *r_u)
1690 {
1691         struct lsa_info *info = NULL;
1692         DOM_SID sid;
1693         PRIVILEGE_SET privileges;
1694         SE_PRIV mask;
1695
1696
1697         /* find the connection policy handle. */
1698
1699         if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&info))
1700                 return NT_STATUS_INVALID_HANDLE;
1701
1702         /* according to an NT4 PDC, you can add privileges to SIDs even without
1703            call_lsa_create_account() first.  And you can use any arbitrary SID. */
1704
1705         sid_copy( &sid, &q_u->sid.sid );
1706
1707         if ( !get_privileges_for_sids( &mask, &sid, 1 ) )
1708                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
1709
1710         privilege_set_init( &privileges );
1711
1712         if ( se_priv_to_privilege_set( &privileges, &mask ) ) {
1713
1714                 DEBUG(10,("_lsa_enum_acct_rights: %s has %d privileges\n",
1715                         sid_string_static(&sid), privileges.count));
1716
1717                 r_u->status = init_r_enum_acct_rights( r_u, &privileges );
1718         }
1719         else
1720                 r_u->status = NT_STATUS_NO_SUCH_PRIVILEGE;
1721
1722         privilege_set_free( &privileges );
1723
1724         return r_u->status;
1725 }
1726
1727
1728 /***************************************************************************
1729  ***************************************************************************/
1730
1731 NTSTATUS _lsa_lookup_priv_value(pipes_struct *p, LSA_Q_LOOKUP_PRIV_VALUE *q_u, LSA_R_LOOKUP_PRIV_VALUE *r_u)
1732 {
1733         struct lsa_info *info = NULL;
1734         fstring name;
1735         LUID_ATTR priv_luid;
1736         SE_PRIV mask;
1737
1738         /* find the connection policy handle. */
1739
1740         if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&info))
1741                 return NT_STATUS_INVALID_HANDLE;
1742
1743         unistr2_to_ascii(name, &q_u->privname.unistring, sizeof(name));
1744
1745         DEBUG(10,("_lsa_lookup_priv_value: name = %s\n", name));
1746
1747         if ( !se_priv_from_name( name, &mask ) )
1748                 return NT_STATUS_NO_SUCH_PRIVILEGE;
1749
1750         priv_luid = get_privilege_luid( &mask );
1751
1752         r_u->luid.low  = priv_luid.luid.low;
1753         r_u->luid.high = priv_luid.luid.high;
1754
1755
1756         return NT_STATUS_OK;
1757 }