source3/rpc_server/srv_samr_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) Marc Jacobsen                     1999,
   8  *  Copyright (C) Jeremy Allison                    2001-2008,
   9  *  Copyright (C) Jean François Micouleau           1998-2001,
  10  *  Copyright (C) Jim McDonough <jmcd@us.ibm.com>   2002,
  11  *  Copyright (C) Gerald (Jerry) Carter             2003-2004,
  12  *  Copyright (C) Simo Sorce                        2003.
  13  *  Copyright (C) Volker Lendecke                   2005.
  14  *  Copyright (C) Guenther Deschner                 2008.
  15  *
  16  *  This program is free software; you can redistribute it and/or modify
  17  *  it under the terms of the GNU General Public License as published by
  18  *  the Free Software Foundation; either version 3 of the License, or
  19  *  (at your option) any later version.
  20  *
  21  *  This program is distributed in the hope that it will be useful,
  22  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  23  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  24  *  GNU General Public License for more details.
  25  *
  26  *  You should have received a copy of the GNU General Public License
  27  *  along with this program; if not, see <http://www.gnu.org/licenses/>.
  28  */
  29
  30 /*
  31  * This is the implementation of the SAMR code.
  32  */
  33
  34 #include "includes.h"
  35 #include "../libcli/auth/libcli_auth.h"
  36
  37 #undef DBGC_CLASS
  38 #define DBGC_CLASS DBGC_RPC_SRV
  39
  40 #define SAMR_USR_RIGHTS_WRITE_PW \
  41                 ( READ_CONTROL_ACCESS           | \
  42                   SAMR_USER_ACCESS_CHANGE_PASSWORD      | \
  43                   SAMR_USER_ACCESS_SET_LOC_COM)
  44 #define SAMR_USR_RIGHTS_CANT_WRITE_PW \
  45                 ( READ_CONTROL_ACCESS | SAMR_USER_ACCESS_SET_LOC_COM )
  46
  47 #define DISP_INFO_CACHE_TIMEOUT 10
  48
  49 #define MAX_SAM_ENTRIES_W2K 0x400 /* 1024 */
  50 #define MAX_SAM_ENTRIES_W95 50
  51
  52 struct samr_connect_info {
  53         uint8_t dummy;
  54 };
  55
  56 struct samr_domain_info {
  57         struct dom_sid sid;
  58         struct disp_info *disp_info;
  59 };
  60
  61 struct samr_user_info {
  62         struct dom_sid sid;
  63 };
  64
  65 struct samr_group_info {
  66         struct dom_sid sid;
  67 };
  68
  69 struct samr_alias_info {
  70         struct dom_sid sid;
  71 };
  72
  73 typedef struct disp_info {
  74         DOM_SID sid; /* identify which domain this is. */
  75         struct pdb_search *users; /* querydispinfo 1 and 4 */
  76         struct pdb_search *machines; /* querydispinfo 2 */
  77         struct pdb_search *groups; /* querydispinfo 3 and 5, enumgroups */
  78         struct pdb_search *aliases; /* enumaliases */
  79
  80         uint16 enum_acb_mask;
  81         struct pdb_search *enum_users; /* enumusers with a mask */
  82
  83         struct timed_event *cache_timeout_event; /* cache idle timeout
  84                                                   * handler. */
  85 } DISP_INFO;
  86
  87 static const struct generic_mapping sam_generic_mapping = {
  88         GENERIC_RIGHTS_SAM_READ,
  89         GENERIC_RIGHTS_SAM_WRITE,
  90         GENERIC_RIGHTS_SAM_EXECUTE,
  91         GENERIC_RIGHTS_SAM_ALL_ACCESS};
  92 static const struct generic_mapping dom_generic_mapping = {
  93         GENERIC_RIGHTS_DOMAIN_READ,
  94         GENERIC_RIGHTS_DOMAIN_WRITE,
  95         GENERIC_RIGHTS_DOMAIN_EXECUTE,
  96         GENERIC_RIGHTS_DOMAIN_ALL_ACCESS};
  97 static const struct generic_mapping usr_generic_mapping = {
  98         GENERIC_RIGHTS_USER_READ,
  99         GENERIC_RIGHTS_USER_WRITE,
 100         GENERIC_RIGHTS_USER_EXECUTE,
 101         GENERIC_RIGHTS_USER_ALL_ACCESS};
 102 static const struct generic_mapping usr_nopwchange_generic_mapping = {
 103         GENERIC_RIGHTS_USER_READ,
 104         GENERIC_RIGHTS_USER_WRITE,
 105         GENERIC_RIGHTS_USER_EXECUTE & ~SAMR_USER_ACCESS_CHANGE_PASSWORD,
 106         GENERIC_RIGHTS_USER_ALL_ACCESS};
 107 static const struct generic_mapping grp_generic_mapping = {
 108         GENERIC_RIGHTS_GROUP_READ,
 109         GENERIC_RIGHTS_GROUP_WRITE,
 110         GENERIC_RIGHTS_GROUP_EXECUTE,
 111         GENERIC_RIGHTS_GROUP_ALL_ACCESS};
 112 static const struct generic_mapping ali_generic_mapping = {
 113         GENERIC_RIGHTS_ALIAS_READ,
 114         GENERIC_RIGHTS_ALIAS_WRITE,
 115         GENERIC_RIGHTS_ALIAS_EXECUTE,
 116         GENERIC_RIGHTS_ALIAS_ALL_ACCESS};
 117
 118 /*******************************************************************
 119 *******************************************************************/
 120
 121 static NTSTATUS make_samr_object_sd( TALLOC_CTX *ctx, SEC_DESC **psd, size_t *sd_size,
 122                                      const struct generic_mapping *map,
 123                                      DOM_SID *sid, uint32 sid_access )
 124 {
 125         DOM_SID domadmin_sid;
 126         SEC_ACE ace[5];         /* at most 5 entries */
 127         size_t i = 0;
 128
 129         SEC_ACL *psa = NULL;
 130
 131         /* basic access for Everyone */
 132
 133         init_sec_ace(&ace[i++], &global_sid_World, SEC_ACE_TYPE_ACCESS_ALLOWED,
 134                         map->generic_execute | map->generic_read, 0);
 135
 136         /* add Full Access 'BUILTIN\Administrators' and 'BUILTIN\Account Operators */
 137
 138         init_sec_ace(&ace[i++], &global_sid_Builtin_Administrators,
 139                         SEC_ACE_TYPE_ACCESS_ALLOWED, map->generic_all, 0);
 140         init_sec_ace(&ace[i++], &global_sid_Builtin_Account_Operators,
 141                         SEC_ACE_TYPE_ACCESS_ALLOWED, map->generic_all, 0);
 142
 143         /* Add Full Access for Domain Admins if we are a DC */
 144
 145         if ( IS_DC ) {
 146                 sid_copy( &domadmin_sid, get_global_sam_sid() );
 147                 sid_append_rid( &domadmin_sid, DOMAIN_GROUP_RID_ADMINS );
 148                 init_sec_ace(&ace[i++], &domadmin_sid,
 149                         SEC_ACE_TYPE_ACCESS_ALLOWED, map->generic_all, 0);
 150         }
 151
 152         /* if we have a sid, give it some special access */
 153
 154         if ( sid ) {
 155                 init_sec_ace(&ace[i++], sid, SEC_ACE_TYPE_ACCESS_ALLOWED, sid_access, 0);
 156         }
 157
 158         /* create the security descriptor */
 159
 160         if ((psa = make_sec_acl(ctx, NT4_ACL_REVISION, i, ace)) == NULL)
 161                 return NT_STATUS_NO_MEMORY;
 162
 163         if ((*psd = make_sec_desc(ctx, SECURITY_DESCRIPTOR_REVISION_1,
 164                                   SEC_DESC_SELF_RELATIVE, NULL, NULL, NULL,
 165                                   psa, sd_size)) == NULL)
 166                 return NT_STATUS_NO_MEMORY;
 167
 168         return NT_STATUS_OK;
 169 }
 170
 171 /*******************************************************************
 172  Checks if access to an object should be granted, and returns that
 173  level of access for further checks.
 174 ********************************************************************/
 175
 176 static NTSTATUS access_check_samr_object( SEC_DESC *psd, NT_USER_TOKEN *token,
 177                                           SE_PRIV *rights, uint32 rights_mask,
 178                                           uint32 des_access, uint32 *acc_granted,
 179                                           const char *debug )
 180 {
 181         NTSTATUS status = NT_STATUS_ACCESS_DENIED;
 182         uint32 saved_mask = 0;
 183
 184         /* check privileges; certain SAM access bits should be overridden
 185            by privileges (mostly having to do with creating/modifying/deleting
 186            users and groups) */
 187
 188         if (rights && !se_priv_equal(rights, &se_priv_none) &&
 189                         user_has_any_privilege(token, rights)) {
 190
 191                 saved_mask = (des_access & rights_mask);
 192                 des_access &= ~saved_mask;
 193
 194                 DEBUG(4,("access_check_samr_object: user rights access mask [0x%x]\n",
 195                         rights_mask));
 196         }
 197
 198
 199         /* check the security descriptor first */
 200
 201         status = se_access_check(psd, token, des_access, acc_granted);
 202         if (NT_STATUS_IS_OK(status)) {
 203                 goto done;
 204         }
 205
 206         /* give root a free pass */
 207
 208         if ( geteuid() == sec_initial_uid() ) {
 209
 210                 DEBUG(4,("%s: ACCESS should be DENIED  (requested: %#010x)\n", debug, des_access));
 211                 DEBUGADD(4,("but overritten by euid == sec_initial_uid()\n"));
 212
 213                 *acc_granted = des_access;
 214
 215                 status = NT_STATUS_OK;
 216                 goto done;
 217         }
 218
 219
 220 done:
 221         /* add in any bits saved during the privilege check (only
 222            matters is status is ok) */
 223
 224         *acc_granted |= rights_mask;
 225
 226         DEBUG(4,("%s: access %s (requested: 0x%08x, granted: 0x%08x)\n",
 227                 debug, NT_STATUS_IS_OK(status) ? "GRANTED" : "DENIED",
 228                 des_access, *acc_granted));
 229
 230         return status;
 231 }
 232
 233
 234 /*******************************************************************
 235  Map any MAXIMUM_ALLOWED_ACCESS request to a valid access set.
 236 ********************************************************************/
 237
 238 static void map_max_allowed_access(const NT_USER_TOKEN *token,
 239                                         uint32_t *pacc_requested)
 240 {
 241         if (!((*pacc_requested) & MAXIMUM_ALLOWED_ACCESS)) {
 242                 return;
 243         }
 244         *pacc_requested &= ~MAXIMUM_ALLOWED_ACCESS;
 245
 246         /* At least try for generic read. */
 247         *pacc_requested = GENERIC_READ_ACCESS;
 248
 249         /* root gets anything. */
 250         if (geteuid() == sec_initial_uid()) {
 251                 *pacc_requested |= GENERIC_ALL_ACCESS;
 252                 return;
 253         }
 254
 255         /* Full Access for 'BUILTIN\Administrators' and 'BUILTIN\Account Operators */
 256
 257         if (is_sid_in_token(token, &global_sid_Builtin_Administrators) ||
 258                         is_sid_in_token(token, &global_sid_Builtin_Account_Operators)) {
 259                 *pacc_requested |= GENERIC_ALL_ACCESS;
 260                 return;
 261         }
 262
 263         /* Full access for DOMAIN\Domain Admins. */
 264         if ( IS_DC ) {
 265                 DOM_SID domadmin_sid;
 266                 sid_copy( &domadmin_sid, get_global_sam_sid() );
 267                 sid_append_rid( &domadmin_sid, DOMAIN_GROUP_RID_ADMINS );
 268                 if (is_sid_in_token(token, &domadmin_sid)) {
 269                         *pacc_requested |= GENERIC_ALL_ACCESS;
 270                         return;
 271                 }
 272         }
 273         /* TODO ! Check privileges. */
 274 }
 275
 276 /*******************************************************************
 277  Fetch or create a dispinfo struct.
 278 ********************************************************************/
 279
 280 static DISP_INFO *get_samr_dispinfo_by_sid(const struct dom_sid *psid)
 281 {
 282         /*
 283          * We do a static cache for DISP_INFO's here. Explanation can be found
 284          * in Jeremy's checkin message to r11793:
 285          *
 286          * Fix the SAMR cache so it works across completely insane
 287          * client behaviour (ie.:
 288          * open pipe/open SAMR handle/enumerate 0 - 1024
 289          * close SAMR handle, close pipe.
 290          * open pipe/open SAMR handle/enumerate 1024 - 2048...
 291          * close SAMR handle, close pipe.
 292          * And on ad-nausium. Amazing.... probably object-oriented
 293          * client side programming in action yet again.
 294          * This change should *massively* improve performance when
 295          * enumerating users from an LDAP database.
 296          * Jeremy.
 297          *
 298          * "Our" and the builtin domain are the only ones where we ever
 299          * enumerate stuff, so just cache 2 entries.
 300          */
 301
 302         static struct disp_info *builtin_dispinfo;
 303         static struct disp_info *domain_dispinfo;
 304
 305         /* There are two cases to consider here:
 306            1) The SID is a domain SID and we look for an equality match, or
 307            2) This is an account SID and so we return the DISP_INFO* for our
 308               domain */
 309
 310         if (psid == NULL) {
 311                 return NULL;
 312         }
 313
 314         if (sid_check_is_builtin(psid) || sid_check_is_in_builtin(psid)) {
 315                 /*
 316                  * Necessary only once, but it does not really hurt.
 317                  */
 318                 if (builtin_dispinfo == NULL) {
 319                         builtin_dispinfo = talloc_zero(
 320                                 talloc_autofree_context(), struct disp_info);
 321                         if (builtin_dispinfo == NULL) {
 322                                 return NULL;
 323                         }
 324                 }
 325                 sid_copy(&builtin_dispinfo->sid, &global_sid_Builtin);
 326
 327                 return builtin_dispinfo;
 328         }
 329
 330         if (sid_check_is_domain(psid) || sid_check_is_in_our_domain(psid)) {
 331                 /*
 332                  * Necessary only once, but it does not really hurt.
 333                  */
 334                 if (domain_dispinfo == NULL) {
 335                         domain_dispinfo = talloc_zero(
 336                                 talloc_autofree_context(), struct disp_info);
 337                         if (domain_dispinfo == NULL) {
 338                                 return NULL;
 339                         }
 340                 }
 341                 sid_copy(&domain_dispinfo->sid, get_global_sam_sid());
 342
 343                 return domain_dispinfo;
 344         }
 345
 346         return NULL;
 347 }
 348
 349 /*******************************************************************
 350  Function to free the per SID data.
 351  ********************************************************************/
 352
 353 static void free_samr_cache(DISP_INFO *disp_info)
 354 {
 355         DEBUG(10, ("free_samr_cache: deleting cache for SID %s\n",
 356                    sid_string_dbg(&disp_info->sid)));
 357
 358         /* We need to become root here because the paged search might have to
 359          * tell the LDAP server we're not interested in the rest anymore. */
 360
 361         become_root();
 362
 363         TALLOC_FREE(disp_info->users);
 364         TALLOC_FREE(disp_info->machines);
 365         TALLOC_FREE(disp_info->groups);
 366         TALLOC_FREE(disp_info->aliases);
 367         TALLOC_FREE(disp_info->enum_users);
 368
 369         unbecome_root();
 370 }
 371
 372 /*******************************************************************
 373  Idle event handler. Throw away the disp info cache.
 374  ********************************************************************/
 375
 376 static void disp_info_cache_idle_timeout_handler(struct event_context *ev_ctx,
 377                                                  struct timed_event *te,
 378                                                  struct timeval now,
 379                                                  void *private_data)
 380 {
 381         DISP_INFO *disp_info = (DISP_INFO *)private_data;
 382
 383         TALLOC_FREE(disp_info->cache_timeout_event);
 384
 385         DEBUG(10, ("disp_info_cache_idle_timeout_handler: caching timed "
 386                    "out\n"));
 387         free_samr_cache(disp_info);
 388 }
 389
 390 /*******************************************************************
 391  Setup cache removal idle event handler.
 392  ********************************************************************/
 393
 394 static void set_disp_info_cache_timeout(DISP_INFO *disp_info, time_t secs_fromnow)
 395 {
 396         /* Remove any pending timeout and update. */
 397
 398         TALLOC_FREE(disp_info->cache_timeout_event);
 399
 400         DEBUG(10,("set_disp_info_cache_timeout: caching enumeration for "
 401                   "SID %s for %u seconds\n", sid_string_dbg(&disp_info->sid),
 402                   (unsigned int)secs_fromnow ));
 403
 404         disp_info->cache_timeout_event = event_add_timed(
 405                 smbd_event_context(), NULL,
 406                 timeval_current_ofs(secs_fromnow, 0),
 407                 disp_info_cache_idle_timeout_handler, (void *)disp_info);
 408 }
 409
 410 /*******************************************************************
 411  Force flush any cache. We do this on any samr_set_xxx call.
 412  We must also remove the timeout handler.
 413  ********************************************************************/
 414
 415 static void force_flush_samr_cache(const struct dom_sid *sid)
 416 {
 417         struct disp_info *disp_info = get_samr_dispinfo_by_sid(sid);
 418
 419         if ((disp_info == NULL) || (disp_info->cache_timeout_event == NULL)) {
 420                 return;
 421         }
 422
 423         DEBUG(10,("force_flush_samr_cache: clearing idle event\n"));
 424         TALLOC_FREE(disp_info->cache_timeout_event);
 425         free_samr_cache(disp_info);
 426 }
 427
 428 /*******************************************************************
 429  Ensure password info is never given out. Paranioa... JRA.
 430  ********************************************************************/
 431
 432 static void samr_clear_sam_passwd(struct samu *sam_pass)
 433 {
 434
 435         if (!sam_pass)
 436                 return;
 437
 438         /* These now zero out the old password */
 439
 440         pdb_set_lanman_passwd(sam_pass, NULL, PDB_DEFAULT);
 441         pdb_set_nt_passwd(sam_pass, NULL, PDB_DEFAULT);
 442 }
 443
 444 static uint32 count_sam_users(struct disp_info *info, uint32 acct_flags)
 445 {
 446         struct samr_displayentry *entry;
 447
 448         if (sid_check_is_builtin(&info->sid)) {
 449                 /* No users in builtin. */
 450                 return 0;
 451         }
 452
 453         if (info->users == NULL) {
 454                 info->users = pdb_search_users(info, acct_flags);
 455                 if (info->users == NULL) {
 456                         return 0;
 457                 }
 458         }
 459         /* Fetch the last possible entry, thus trigger an enumeration */
 460         pdb_search_entries(info->users, 0xffffffff, 1, &entry);
 461
 462         /* Ensure we cache this enumeration. */
 463         set_disp_info_cache_timeout(info, DISP_INFO_CACHE_TIMEOUT);
 464
 465         return info->users->num_entries;
 466 }
 467
 468 static uint32 count_sam_groups(struct disp_info *info)
 469 {
 470         struct samr_displayentry *entry;
 471
 472         if (sid_check_is_builtin(&info->sid)) {
 473                 /* No groups in builtin. */
 474                 return 0;
 475         }
 476
 477         if (info->groups == NULL) {
 478                 info->groups = pdb_search_groups(info);
 479                 if (info->groups == NULL) {
 480                         return 0;
 481                 }
 482         }
 483         /* Fetch the last possible entry, thus trigger an enumeration */
 484         pdb_search_entries(info->groups, 0xffffffff, 1, &entry);
 485
 486         /* Ensure we cache this enumeration. */
 487         set_disp_info_cache_timeout(info, DISP_INFO_CACHE_TIMEOUT);
 488
 489         return info->groups->num_entries;
 490 }
 491
 492 static uint32 count_sam_aliases(struct disp_info *info)
 493 {
 494         struct samr_displayentry *entry;
 495
 496         if (info->aliases == NULL) {
 497                 info->aliases = pdb_search_aliases(info, &info->sid);
 498                 if (info->aliases == NULL) {
 499                         return 0;
 500                 }
 501         }
 502         /* Fetch the last possible entry, thus trigger an enumeration */
 503         pdb_search_entries(info->aliases, 0xffffffff, 1, &entry);
 504
 505         /* Ensure we cache this enumeration. */
 506         set_disp_info_cache_timeout(info, DISP_INFO_CACHE_TIMEOUT);
 507
 508         return info->aliases->num_entries;
 509 }
 510
 511 /*******************************************************************
 512  _samr_Close
 513  ********************************************************************/
 514
 515 NTSTATUS _samr_Close(pipes_struct *p, struct samr_Close *r)
 516 {
 517         if (!close_policy_hnd(p, r->in.handle)) {
 518                 return NT_STATUS_INVALID_HANDLE;
 519         }
 520
 521         ZERO_STRUCTP(r->out.handle);
 522
 523         return NT_STATUS_OK;
 524 }
 525
 526 /*******************************************************************
 527  _samr_OpenDomain
 528  ********************************************************************/
 529
 530 NTSTATUS _samr_OpenDomain(pipes_struct *p,
 531                           struct samr_OpenDomain *r)
 532 {
 533         struct samr_connect_info *cinfo;
 534         struct samr_domain_info *dinfo;
 535         SEC_DESC *psd = NULL;
 536         uint32    acc_granted;
 537         uint32    des_access = r->in.access_mask;
 538         NTSTATUS  status;
 539         size_t    sd_size;
 540         SE_PRIV se_rights;
 541
 542         /* find the connection policy handle. */
 543
 544         cinfo = policy_handle_find(p, r->in.connect_handle, 0, NULL,
 545                                    struct samr_connect_info, &status);
 546         if (!NT_STATUS_IS_OK(status)) {
 547                 return status;
 548         }
 549
 550         /*check if access can be granted as requested by client. */
 551         map_max_allowed_access(p->server_info->ptok, &des_access);
 552
 553         make_samr_object_sd( p->mem_ctx, &psd, &sd_size, &dom_generic_mapping, NULL, 0 );
 554         se_map_generic( &des_access, &dom_generic_mapping );
 555
 556         /*
 557          * Users with SeMachineAccount or SeAddUser get additional
 558          * SAMR_DOMAIN_ACCESS_CREATE_USER access, but no more.
 559          */
 560         se_priv_copy( &se_rights, &se_machine_account );
 561         se_priv_add( &se_rights, &se_add_users );
 562
 563         status = access_check_samr_object( psd, p->server_info->ptok,
 564                 &se_rights, SAMR_DOMAIN_ACCESS_CREATE_USER, des_access,
 565                 &acc_granted, "_samr_OpenDomain" );
 566
 567         if ( !NT_STATUS_IS_OK(status) )
 568                 return status;
 569
 570         if (!sid_check_is_domain(r->in.sid) &&
 571             !sid_check_is_builtin(r->in.sid)) {
 572                 return NT_STATUS_NO_SUCH_DOMAIN;
 573         }
 574
 575         dinfo = policy_handle_create(p, r->out.domain_handle, acc_granted,
 576                                      struct samr_domain_info, &status);
 577         if (!NT_STATUS_IS_OK(status)) {
 578                 return status;
 579         }
 580         dinfo->sid = *r->in.sid;
 581         dinfo->disp_info = get_samr_dispinfo_by_sid(r->in.sid);
 582
 583         DEBUG(5,("_samr_OpenDomain: %d\n", __LINE__));
 584
 585         return NT_STATUS_OK;
 586 }
 587
 588 /*******************************************************************
 589  _samr_GetUserPwInfo
 590  ********************************************************************/
 591
 592 NTSTATUS _samr_GetUserPwInfo(pipes_struct *p,
 593                              struct samr_GetUserPwInfo *r)
 594 {
 595         struct samr_user_info *uinfo;
 596         enum lsa_SidType sid_type;
 597         uint32_t min_password_length = 0;
 598         uint32_t password_properties = 0;
 599         bool ret = false;
 600         NTSTATUS status;
 601
 602         DEBUG(5,("_samr_GetUserPwInfo: %d\n", __LINE__));
 603
 604         uinfo = policy_handle_find(p, r->in.user_handle,
 605                                    SAMR_USER_ACCESS_GET_ATTRIBUTES, NULL,
 606                                    struct samr_user_info, &status);
 607         if (!NT_STATUS_IS_OK(status)) {
 608                 return status;
 609         }
 610
 611         if (!sid_check_is_in_our_domain(&uinfo->sid)) {
 612                 return NT_STATUS_OBJECT_TYPE_MISMATCH;
 613         }
 614
 615         become_root();
 616         ret = lookup_sid(p->mem_ctx, &uinfo->sid, NULL, NULL, &sid_type);
 617         unbecome_root();
 618         if (ret == false) {
 619                 return NT_STATUS_NO_SUCH_USER;
 620         }
 621
 622         switch (sid_type) {
 623                 case SID_NAME_USER:
 624                         become_root();
 625                         pdb_get_account_policy(AP_MIN_PASSWORD_LEN,
 626                                                &min_password_length);
 627                         pdb_get_account_policy(AP_USER_MUST_LOGON_TO_CHG_PASS,
 628                                                &password_properties);
 629                         unbecome_root();
 630
 631                         if (lp_check_password_script() && *lp_check_password_script()) {
 632                                 password_properties |= DOMAIN_PASSWORD_COMPLEX;
 633                         }
 634
 635                         break;
 636                 default:
 637                         break;
 638         }
 639
 640         r->out.info->min_password_length = min_password_length;
 641         r->out.info->password_properties = password_properties;
 642
 643         DEBUG(5,("_samr_GetUserPwInfo: %d\n", __LINE__));
 644
 645         return NT_STATUS_OK;
 646 }
 647
 648 /*******************************************************************
 649  _samr_SetSecurity
 650  ********************************************************************/
 651
 652 NTSTATUS _samr_SetSecurity(pipes_struct *p,
 653                            struct samr_SetSecurity *r)
 654 {
 655         struct samr_user_info *uinfo;
 656         uint32 i;
 657         SEC_ACL *dacl;
 658         bool ret;
 659         struct samu *sampass=NULL;
 660         NTSTATUS status;
 661
 662         uinfo = policy_handle_find(p, r->in.handle,
 663                                    SAMR_USER_ACCESS_SET_ATTRIBUTES, NULL,
 664                                    struct samr_user_info, &status);
 665         if (!NT_STATUS_IS_OK(status)) {
 666                 return status;
 667         }
 668
 669         if (!(sampass = samu_new( p->mem_ctx))) {
 670                 DEBUG(0,("No memory!\n"));
 671                 return NT_STATUS_NO_MEMORY;
 672         }
 673
 674         /* get the user record */
 675         become_root();
 676         ret = pdb_getsampwsid(sampass, &uinfo->sid);
 677         unbecome_root();
 678
 679         if (!ret) {
 680                 DEBUG(4, ("User %s not found\n",
 681                           sid_string_dbg(&uinfo->sid)));
 682                 TALLOC_FREE(sampass);
 683                 return NT_STATUS_INVALID_HANDLE;
 684         }
 685
 686         dacl = r->in.sdbuf->sd->dacl;
 687         for (i=0; i < dacl->num_aces; i++) {
 688                 if (sid_equal(&uinfo->sid, &dacl->aces[i].trustee)) {
 689                         ret = pdb_set_pass_can_change(sampass,
 690                                 (dacl->aces[i].access_mask &
 691                                  SAMR_USER_ACCESS_CHANGE_PASSWORD) ?
 692                                                       True: False);
 693                         break;
 694                 }
 695         }
 696
 697         if (!ret) {
 698                 TALLOC_FREE(sampass);
 699                 return NT_STATUS_ACCESS_DENIED;
 700         }
 701
 702         become_root();
 703         status = pdb_update_sam_account(sampass);
 704         unbecome_root();
 705
 706         TALLOC_FREE(sampass);
 707
 708         return status;
 709 }
 710
 711 /*******************************************************************
 712   build correct perms based on policies and password times for _samr_query_sec_obj
 713 *******************************************************************/
 714 static bool check_change_pw_access(TALLOC_CTX *mem_ctx, DOM_SID *user_sid)
 715 {
 716         struct samu *sampass=NULL;
 717         bool ret;
 718
 719         if ( !(sampass = samu_new( mem_ctx )) ) {
 720                 DEBUG(0,("No memory!\n"));
 721                 return False;
 722         }
 723
 724         become_root();
 725         ret = pdb_getsampwsid(sampass, user_sid);
 726         unbecome_root();
 727
 728         if (ret == False) {
 729                 DEBUG(4,("User %s not found\n", sid_string_dbg(user_sid)));
 730                 TALLOC_FREE(sampass);
 731                 return False;
 732         }
 733
 734         DEBUG(3,("User:[%s]\n",  pdb_get_username(sampass) ));
 735
 736         if (pdb_get_pass_can_change(sampass)) {
 737                 TALLOC_FREE(sampass);
 738                 return True;
 739         }
 740         TALLOC_FREE(sampass);
 741         return False;
 742 }
 743
 744
 745 /*******************************************************************
 746  _samr_QuerySecurity
 747  ********************************************************************/
 748
 749 NTSTATUS _samr_QuerySecurity(pipes_struct *p,
 750                              struct samr_QuerySecurity *r)
 751 {
 752         struct samr_connect_info *cinfo;
 753         struct samr_domain_info *dinfo;
 754         struct samr_user_info *uinfo;
 755         struct samr_group_info *ginfo;
 756         struct samr_alias_info *ainfo;
 757         NTSTATUS status;
 758         SEC_DESC * psd = NULL;
 759         size_t sd_size;
 760
 761         cinfo = policy_handle_find(p, r->in.handle,
 762                                    STD_RIGHT_READ_CONTROL_ACCESS, NULL,
 763                                    struct samr_connect_info, &status);
 764         if (NT_STATUS_IS_OK(status)) {
 765                 DEBUG(5,("_samr_QuerySecurity: querying security on SAM\n"));
 766                 status = make_samr_object_sd(p->mem_ctx, &psd, &sd_size,
 767                                              &sam_generic_mapping, NULL, 0);
 768                 goto done;
 769         }
 770
 771         dinfo = policy_handle_find(p, r->in.handle,
 772                                    STD_RIGHT_READ_CONTROL_ACCESS, NULL,
 773                                    struct samr_domain_info, &status);
 774         if (NT_STATUS_IS_OK(status)) {
 775                 DEBUG(5,("_samr_QuerySecurity: querying security on Domain "
 776                          "with SID: %s\n", sid_string_dbg(&dinfo->sid)));
 777                 /*
 778                  * TODO: Builtin probably needs a different SD with restricted
 779                  * write access
 780                  */
 781                 status = make_samr_object_sd(p->mem_ctx, &psd, &sd_size,
 782                                              &dom_generic_mapping, NULL, 0);
 783                 goto done;
 784         }
 785
 786         uinfo = policy_handle_find(p, r->in.handle,
 787                                    STD_RIGHT_READ_CONTROL_ACCESS, NULL,
 788                                    struct samr_user_info, &status);
 789         if (NT_STATUS_IS_OK(status)) {
 790                 DEBUG(10,("_samr_QuerySecurity: querying security on user "
 791                           "Object with SID: %s\n",
 792                           sid_string_dbg(&uinfo->sid)));
 793                 if (check_change_pw_access(p->mem_ctx, &uinfo->sid)) {
 794                         status = make_samr_object_sd(
 795                                 p->mem_ctx, &psd, &sd_size,
 796                                 &usr_generic_mapping,
 797                                 &uinfo->sid, SAMR_USR_RIGHTS_WRITE_PW);
 798                 } else {
 799                         status = make_samr_object_sd(
 800                                 p->mem_ctx, &psd, &sd_size,
 801                                 &usr_nopwchange_generic_mapping,
 802                                 &uinfo->sid, SAMR_USR_RIGHTS_CANT_WRITE_PW);
 803                 }
 804                 goto done;
 805         }
 806
 807         ginfo = policy_handle_find(p, r->in.handle,
 808                                    STD_RIGHT_READ_CONTROL_ACCESS, NULL,
 809                                    struct samr_group_info, &status);
 810         if (NT_STATUS_IS_OK(status)) {
 811                 /*
 812                  * TODO: different SDs have to be generated for aliases groups
 813                  * and users.  Currently all three get a default user SD
 814                  */
 815                 DEBUG(10,("_samr_QuerySecurity: querying security on group "
 816                           "Object with SID: %s\n",
 817                           sid_string_dbg(&ginfo->sid)));
 818                 status = make_samr_object_sd(
 819                         p->mem_ctx, &psd, &sd_size,
 820                         &usr_nopwchange_generic_mapping,
 821                         &ginfo->sid, SAMR_USR_RIGHTS_CANT_WRITE_PW);
 822                 goto done;
 823         }
 824
 825         ainfo = policy_handle_find(p, r->in.handle,
 826                                    STD_RIGHT_READ_CONTROL_ACCESS, NULL,
 827                                    struct samr_alias_info, &status);
 828         if (NT_STATUS_IS_OK(status)) {
 829                 /*
 830                  * TODO: different SDs have to be generated for aliases groups
 831                  * and users.  Currently all three get a default user SD
 832                  */
 833                 DEBUG(10,("_samr_QuerySecurity: querying security on alias "
 834                           "Object with SID: %s\n",
 835                           sid_string_dbg(&ainfo->sid)));
 836                 status = make_samr_object_sd(
 837                         p->mem_ctx, &psd, &sd_size,
 838                         &usr_nopwchange_generic_mapping,
 839                         &ainfo->sid, SAMR_USR_RIGHTS_CANT_WRITE_PW);
 840                 goto done;
 841         }
 842
 843         return NT_STATUS_OBJECT_TYPE_MISMATCH;
 844 done:
 845         if ((*r->out.sdbuf = make_sec_desc_buf(p->mem_ctx, sd_size, psd)) == NULL)
 846                 return NT_STATUS_NO_MEMORY;
 847
 848         return status;
 849 }
 850
 851 /*******************************************************************
 852 makes a SAM_ENTRY / UNISTR2* structure from a user list.
 853 ********************************************************************/
 854
 855 static NTSTATUS make_user_sam_entry_list(TALLOC_CTX *ctx,
 856                                          struct samr_SamEntry **sam_pp,
 857                                          uint32_t num_entries,
 858                                          uint32_t start_idx,
 859                                          struct samr_displayentry *entries)
 860 {
 861         uint32_t i;
 862         struct samr_SamEntry *sam;
 863
 864         *sam_pp = NULL;
 865
 866         if (num_entries == 0) {
 867                 return NT_STATUS_OK;
 868         }
 869
 870         sam = TALLOC_ZERO_ARRAY(ctx, struct samr_SamEntry, num_entries);
 871         if (sam == NULL) {
 872                 DEBUG(0, ("make_user_sam_entry_list: TALLOC_ZERO failed!\n"));
 873                 return NT_STATUS_NO_MEMORY;
 874         }
 875
 876         for (i = 0; i < num_entries; i++) {
 877 #if 0
 878                 /*
 879                  * usrmgr expects a non-NULL terminated string with
 880                  * trust relationships
 881                  */
 882                 if (entries[i].acct_flags & ACB_DOMTRUST) {
 883                         init_unistr2(&uni_temp_name, entries[i].account_name,
 884                                      UNI_FLAGS_NONE);
 885                 } else {
 886                         init_unistr2(&uni_temp_name, entries[i].account_name,
 887                                      UNI_STR_TERMINATE);
 888                 }
 889 #endif
 890                 init_lsa_String(&sam[i].name, entries[i].account_name);
 891                 sam[i].idx = entries[i].rid;
 892         }
 893
 894         *sam_pp = sam;
 895
 896         return NT_STATUS_OK;
 897 }
 898
 899 #define MAX_SAM_ENTRIES MAX_SAM_ENTRIES_W2K
 900
 901 /*******************************************************************
 902  _samr_EnumDomainUsers
 903  ********************************************************************/
 904
 905 NTSTATUS _samr_EnumDomainUsers(pipes_struct *p,
 906                                struct samr_EnumDomainUsers *r)
 907 {
 908         NTSTATUS status;
 909         struct samr_domain_info *dinfo;
 910         int num_account;
 911         uint32 enum_context = *r->in.resume_handle;
 912         enum remote_arch_types ra_type = get_remote_arch();
 913         int max_sam_entries = (ra_type == RA_WIN95) ? MAX_SAM_ENTRIES_W95 : MAX_SAM_ENTRIES_W2K;
 914         uint32 max_entries = max_sam_entries;
 915         struct samr_displayentry *entries = NULL;
 916         struct samr_SamArray *samr_array = NULL;
 917         struct samr_SamEntry *samr_entries = NULL;
 918
 919         DEBUG(5,("_samr_EnumDomainUsers: %d\n", __LINE__));
 920
 921         dinfo = policy_handle_find(p, r->in.domain_handle,
 922                                    SAMR_DOMAIN_ACCESS_ENUM_ACCOUNTS, NULL,
 923                                    struct samr_domain_info, &status);
 924         if (!NT_STATUS_IS_OK(status)) {
 925                 return status;
 926         }
 927
 928         if (sid_check_is_builtin(&dinfo->sid)) {
 929                 /* No users in builtin. */
 930                 *r->out.resume_handle = *r->in.resume_handle;
 931                 DEBUG(5,("_samr_EnumDomainUsers: No users in BUILTIN\n"));
 932                 return status;
 933         }
 934
 935         samr_array = TALLOC_ZERO_P(p->mem_ctx, struct samr_SamArray);
 936         if (!samr_array) {
 937                 return NT_STATUS_NO_MEMORY;
 938         }
 939         *r->out.sam = samr_array;
 940
 941         become_root();
 942
 943         /* AS ROOT !!!! */
 944
 945         if ((dinfo->disp_info->enum_users != NULL) &&
 946             (dinfo->disp_info->enum_acb_mask != r->in.acct_flags)) {
 947                 TALLOC_FREE(dinfo->disp_info->enum_users);
 948         }
 949
 950         if (dinfo->disp_info->enum_users == NULL) {
 951                 dinfo->disp_info->enum_users = pdb_search_users(
 952                         dinfo->disp_info, r->in.acct_flags);
 953                 dinfo->disp_info->enum_acb_mask = r->in.acct_flags;
 954         }
 955
 956         if (dinfo->disp_info->enum_users == NULL) {
 957                 /* END AS ROOT !!!! */
 958                 unbecome_root();
 959                 return NT_STATUS_ACCESS_DENIED;
 960         }
 961
 962         num_account = pdb_search_entries(dinfo->disp_info->enum_users,
 963                                          enum_context, max_entries,
 964                                          &entries);
 965
 966         /* END AS ROOT !!!! */
 967
 968         unbecome_root();
 969
 970         if (num_account == 0) {
 971                 DEBUG(5, ("_samr_EnumDomainUsers: enumeration handle over "
 972                           "total entries\n"));
 973                 *r->out.resume_handle = *r->in.resume_handle;
 974                 return NT_STATUS_OK;
 975         }
 976
 977         status = make_user_sam_entry_list(p->mem_ctx, &samr_entries,
 978                                           num_account, enum_context,
 979                                           entries);
 980         if (!NT_STATUS_IS_OK(status)) {
 981                 return status;
 982         }
 983
 984         if (max_entries <= num_account) {
 985                 status = STATUS_MORE_ENTRIES;
 986         } else {
 987                 status = NT_STATUS_OK;
 988         }
 989
 990         /* Ensure we cache this enumeration. */
 991         set_disp_info_cache_timeout(dinfo->disp_info, DISP_INFO_CACHE_TIMEOUT);
 992
 993         DEBUG(5, ("_samr_EnumDomainUsers: %d\n", __LINE__));
 994
 995         samr_array->count = num_account;
 996         samr_array->entries = samr_entries;
 997
 998         *r->out.resume_handle = *r->in.resume_handle + num_account;
 999         *r->out.num_entries = num_account;
1000
1001         DEBUG(5,("_samr_EnumDomainUsers: %d\n", __LINE__));
1002
1003         return status;
1004 }
1005
1006 /*******************************************************************
1007 makes a SAM_ENTRY / UNISTR2* structure from a group list.
1008 ********************************************************************/
1009
1010 static void make_group_sam_entry_list(TALLOC_CTX *ctx,
1011                                       struct samr_SamEntry **sam_pp,
1012                                       uint32_t num_sam_entries,
1013                                       struct samr_displayentry *entries)
1014 {
1015         struct samr_SamEntry *sam;
1016         uint32_t i;
1017
1018         *sam_pp = NULL;
1019
1020         if (num_sam_entries == 0) {
1021                 return;
1022         }
1023
1024         sam = TALLOC_ZERO_ARRAY(ctx, struct samr_SamEntry, num_sam_entries);
1025         if (sam == NULL) {
1026                 return;
1027         }
1028
1029         for (i = 0; i < num_sam_entries; i++) {
1030                 /*
1031                  * JRA. I think this should include the null. TNG does not.
1032                  */
1033                 init_lsa_String(&sam[i].name, entries[i].account_name);
1034                 sam[i].idx = entries[i].rid;
1035         }
1036
1037         *sam_pp = sam;
1038 }
1039
1040 /*******************************************************************
1041  _samr_EnumDomainGroups
1042  ********************************************************************/
1043
1044 NTSTATUS _samr_EnumDomainGroups(pipes_struct *p,
1045                                 struct samr_EnumDomainGroups *r)
1046 {
1047         NTSTATUS status;
1048         struct samr_domain_info *dinfo;
1049         struct samr_displayentry *groups;
1050         uint32 num_groups;
1051         struct samr_SamArray *samr_array = NULL;
1052         struct samr_SamEntry *samr_entries = NULL;
1053
1054         dinfo = policy_handle_find(p, r->in.domain_handle,
1055                                    SAMR_DOMAIN_ACCESS_ENUM_ACCOUNTS, NULL,
1056                                    struct samr_domain_info, &status);
1057         if (!NT_STATUS_IS_OK(status)) {
1058                 return status;
1059         }
1060
1061         DEBUG(5,("_samr_EnumDomainGroups: %d\n", __LINE__));
1062
1063         if (sid_check_is_builtin(&dinfo->sid)) {
1064                 /* No groups in builtin. */
1065                 *r->out.resume_handle = *r->in.resume_handle;
1066                 DEBUG(5,("_samr_EnumDomainGroups: No groups in BUILTIN\n"));
1067                 return status;
1068         }
1069
1070         samr_array = TALLOC_ZERO_P(p->mem_ctx, struct samr_SamArray);
1071         if (!samr_array) {
1072                 return NT_STATUS_NO_MEMORY;
1073         }
1074
1075         /* the domain group array is being allocated in the function below */
1076
1077         become_root();
1078
1079         if (dinfo->disp_info->groups == NULL) {
1080                 dinfo->disp_info->groups = pdb_search_groups(dinfo->disp_info);
1081
1082                 if (dinfo->disp_info->groups == NULL) {
1083                         unbecome_root();
1084                         return NT_STATUS_ACCESS_DENIED;
1085                 }
1086         }
1087
1088         num_groups = pdb_search_entries(dinfo->disp_info->groups,
1089                                         *r->in.resume_handle,
1090                                         MAX_SAM_ENTRIES, &groups);
1091         unbecome_root();
1092
1093         /* Ensure we cache this enumeration. */
1094         set_disp_info_cache_timeout(dinfo->disp_info, DISP_INFO_CACHE_TIMEOUT);
1095
1096         make_group_sam_entry_list(p->mem_ctx, &samr_entries,
1097                                   num_groups, groups);
1098
1099         samr_array->count = num_groups;
1100         samr_array->entries = samr_entries;
1101
1102         *r->out.sam = samr_array;
1103         *r->out.num_entries = num_groups;
1104         *r->out.resume_handle = num_groups + *r->in.resume_handle;
1105
1106         DEBUG(5,("_samr_EnumDomainGroups: %d\n", __LINE__));
1107
1108         return status;
1109 }
1110
1111 /*******************************************************************
1112  _samr_EnumDomainAliases
1113  ********************************************************************/
1114
1115 NTSTATUS _samr_EnumDomainAliases(pipes_struct *p,
1116                                  struct samr_EnumDomainAliases *r)
1117 {
1118         NTSTATUS status;
1119         struct samr_domain_info *dinfo;
1120         struct samr_displayentry *aliases;
1121         uint32 num_aliases = 0;
1122         struct samr_SamArray *samr_array = NULL;
1123         struct samr_SamEntry *samr_entries = NULL;
1124
1125         dinfo = policy_handle_find(p, r->in.domain_handle,
1126                                    SAMR_DOMAIN_ACCESS_ENUM_ACCOUNTS, NULL,
1127                                    struct samr_domain_info, &status);
1128         if (!NT_STATUS_IS_OK(status)) {
1129                 return status;
1130         }
1131
1132         DEBUG(5,("_samr_EnumDomainAliases: sid %s\n",
1133                  sid_string_dbg(&dinfo->sid)));
1134
1135         samr_array = TALLOC_ZERO_P(p->mem_ctx, struct samr_SamArray);
1136         if (!samr_array) {
1137                 return NT_STATUS_NO_MEMORY;
1138         }
1139
1140         become_root();
1141
1142         if (dinfo->disp_info->aliases == NULL) {
1143                 dinfo->disp_info->aliases = pdb_search_aliases(
1144                         dinfo->disp_info, &dinfo->sid);
1145                 if (dinfo->disp_info->aliases == NULL) {
1146                         unbecome_root();
1147                         return NT_STATUS_ACCESS_DENIED;
1148                 }
1149         }
1150
1151         num_aliases = pdb_search_entries(dinfo->disp_info->aliases,
1152                                          *r->in.resume_handle,
1153                                          MAX_SAM_ENTRIES, &aliases);
1154         unbecome_root();
1155
1156         /* Ensure we cache this enumeration. */
1157         set_disp_info_cache_timeout(dinfo->disp_info, DISP_INFO_CACHE_TIMEOUT);
1158
1159         make_group_sam_entry_list(p->mem_ctx, &samr_entries,
1160                                   num_aliases, aliases);
1161
1162         DEBUG(5,("_samr_EnumDomainAliases: %d\n", __LINE__));
1163
1164         samr_array->count = num_aliases;
1165         samr_array->entries = samr_entries;
1166
1167         *r->out.sam = samr_array;
1168         *r->out.num_entries = num_aliases;
1169         *r->out.resume_handle = num_aliases + *r->in.resume_handle;
1170
1171         return status;
1172 }
1173
1174 /*******************************************************************
1175  inits a samr_DispInfoGeneral structure.
1176 ********************************************************************/
1177
1178 static NTSTATUS init_samr_dispinfo_1(TALLOC_CTX *ctx,
1179                                      struct samr_DispInfoGeneral *r,
1180                                      uint32_t num_entries,
1181                                      uint32_t start_idx,
1182                                      struct samr_displayentry *entries)
1183 {
1184         uint32 i;
1185
1186         DEBUG(10, ("init_samr_dispinfo_1: num_entries: %d\n", num_entries));
1187
1188         if (num_entries == 0) {
1189                 return NT_STATUS_OK;
1190         }
1191
1192         r->count = num_entries;
1193
1194         r->entries = TALLOC_ZERO_ARRAY(ctx, struct samr_DispEntryGeneral, num_entries);
1195         if (!r->entries) {
1196                 return NT_STATUS_NO_MEMORY;
1197         }
1198
1199         for (i = 0; i < num_entries ; i++) {
1200
1201                 init_lsa_String(&r->entries[i].account_name,
1202                                 entries[i].account_name);
1203
1204                 init_lsa_String(&r->entries[i].description,
1205                                 entries[i].description);
1206
1207                 init_lsa_String(&r->entries[i].full_name,
1208                                 entries[i].fullname);
1209
1210                 r->entries[i].rid = entries[i].rid;
1211                 r->entries[i].acct_flags = entries[i].acct_flags;
1212                 r->entries[i].idx = start_idx+i+1;
1213         }
1214
1215         return NT_STATUS_OK;
1216 }
1217
1218 /*******************************************************************
1219  inits a samr_DispInfoFull structure.
1220 ********************************************************************/
1221
1222 static NTSTATUS init_samr_dispinfo_2(TALLOC_CTX *ctx,
1223                                      struct samr_DispInfoFull *r,
1224                                      uint32_t num_entries,
1225                                      uint32_t start_idx,
1226                                      struct samr_displayentry *entries)
1227 {
1228         uint32_t i;
1229
1230         DEBUG(10, ("init_samr_dispinfo_2: num_entries: %d\n", num_entries));
1231
1232         if (num_entries == 0) {
1233                 return NT_STATUS_OK;
1234         }
1235
1236         r->count = num_entries;
1237
1238         r->entries = TALLOC_ZERO_ARRAY(ctx, struct samr_DispEntryFull, num_entries);
1239         if (!r->entries) {
1240                 return NT_STATUS_NO_MEMORY;
1241         }
1242
1243         for (i = 0; i < num_entries ; i++) {
1244
1245                 init_lsa_String(&r->entries[i].account_name,
1246                                 entries[i].account_name);
1247
1248                 init_lsa_String(&r->entries[i].description,
1249                                 entries[i].description);
1250
1251                 r->entries[i].rid = entries[i].rid;
1252                 r->entries[i].acct_flags = entries[i].acct_flags;
1253                 r->entries[i].idx = start_idx+i+1;
1254         }
1255
1256         return NT_STATUS_OK;
1257 }
1258
1259 /*******************************************************************
1260  inits a samr_DispInfoFullGroups structure.
1261 ********************************************************************/
1262
1263 static NTSTATUS init_samr_dispinfo_3(TALLOC_CTX *ctx,
1264                                      struct samr_DispInfoFullGroups *r,
1265                                      uint32_t num_entries,
1266                                      uint32_t start_idx,
1267                                      struct samr_displayentry *entries)
1268 {
1269         uint32_t i;
1270
1271         DEBUG(5, ("init_samr_dispinfo_3: num_entries: %d\n", num_entries));
1272
1273         if (num_entries == 0) {
1274                 return NT_STATUS_OK;
1275         }
1276
1277         r->count = num_entries;
1278
1279         r->entries = TALLOC_ZERO_ARRAY(ctx, struct samr_DispEntryFullGroup, num_entries);
1280         if (!r->entries) {
1281                 return NT_STATUS_NO_MEMORY;
1282         }
1283
1284         for (i = 0; i < num_entries ; i++) {
1285
1286                 init_lsa_String(&r->entries[i].account_name,
1287                                 entries[i].account_name);
1288
1289                 init_lsa_String(&r->entries[i].description,
1290                                 entries[i].description);
1291
1292                 r->entries[i].rid = entries[i].rid;
1293                 r->entries[i].acct_flags = entries[i].acct_flags;
1294                 r->entries[i].idx = start_idx+i+1;
1295         }
1296
1297         return NT_STATUS_OK;
1298 }
1299
1300 /*******************************************************************
1301  inits a samr_DispInfoAscii structure.
1302 ********************************************************************/
1303
1304 static NTSTATUS init_samr_dispinfo_4(TALLOC_CTX *ctx,
1305                                      struct samr_DispInfoAscii *r,
1306                                      uint32_t num_entries,
1307                                      uint32_t start_idx,
1308                                      struct samr_displayentry *entries)
1309 {
1310         uint32_t i;
1311
1312         DEBUG(5, ("init_samr_dispinfo_4: num_entries: %d\n", num_entries));
1313
1314         if (num_entries == 0) {
1315                 return NT_STATUS_OK;
1316         }
1317
1318         r->count = num_entries;
1319
1320         r->entries = TALLOC_ZERO_ARRAY(ctx, struct samr_DispEntryAscii, num_entries);
1321         if (!r->entries) {
1322                 return NT_STATUS_NO_MEMORY;
1323         }
1324
1325         for (i = 0; i < num_entries ; i++) {
1326
1327                 init_lsa_AsciiStringLarge(&r->entries[i].account_name,
1328                                           entries[i].account_name);
1329
1330                 r->entries[i].idx = start_idx+i+1;
1331         }
1332
1333         return NT_STATUS_OK;
1334 }
1335
1336 /*******************************************************************
1337  inits a samr_DispInfoAscii structure.
1338 ********************************************************************/
1339
1340 static NTSTATUS init_samr_dispinfo_5(TALLOC_CTX *ctx,
1341                                      struct samr_DispInfoAscii *r,
1342                                      uint32_t num_entries,
1343                                      uint32_t start_idx,
1344                                      struct samr_displayentry *entries)
1345 {
1346         uint32_t i;
1347
1348         DEBUG(5, ("init_samr_dispinfo_5: num_entries: %d\n", num_entries));
1349
1350         if (num_entries == 0) {
1351                 return NT_STATUS_OK;
1352         }
1353
1354         r->count = num_entries;
1355
1356         r->entries = TALLOC_ZERO_ARRAY(ctx, struct samr_DispEntryAscii, num_entries);
1357         if (!r->entries) {
1358                 return NT_STATUS_NO_MEMORY;
1359         }
1360
1361         for (i = 0; i < num_entries ; i++) {
1362
1363                 init_lsa_AsciiStringLarge(&r->entries[i].account_name,
1364                                           entries[i].account_name);
1365
1366                 r->entries[i].idx = start_idx+i+1;
1367         }
1368
1369         return NT_STATUS_OK;
1370 }
1371
1372 /*******************************************************************
1373  _samr_QueryDisplayInfo
1374  ********************************************************************/
1375
1376 NTSTATUS _samr_QueryDisplayInfo(pipes_struct *p,
1377                                 struct samr_QueryDisplayInfo *r)
1378 {
1379         NTSTATUS status;
1380         struct samr_domain_info *dinfo;
1381         uint32 struct_size=0x20; /* W2K always reply that, client doesn't care */
1382
1383         uint32 max_entries = r->in.max_entries;
1384         uint32 enum_context = r->in.start_idx;
1385         uint32 max_size = r->in.buf_size;
1386
1387         union samr_DispInfo *disp_info = r->out.info;
1388
1389         uint32 temp_size=0, total_data_size=0;
1390         NTSTATUS disp_ret = NT_STATUS_UNSUCCESSFUL;
1391         uint32 num_account = 0;
1392         enum remote_arch_types ra_type = get_remote_arch();
1393         int max_sam_entries = (ra_type == RA_WIN95) ? MAX_SAM_ENTRIES_W95 : MAX_SAM_ENTRIES_W2K;
1394         struct samr_displayentry *entries = NULL;
1395
1396         DEBUG(5,("_samr_QueryDisplayInfo: %d\n", __LINE__));
1397
1398         dinfo = policy_handle_find(p, r->in.domain_handle,
1399                                    SAMR_DOMAIN_ACCESS_ENUM_ACCOUNTS, NULL,
1400                                    struct samr_domain_info, &status);
1401         if (!NT_STATUS_IS_OK(status)) {
1402                 return status;
1403         }
1404
1405         if (sid_check_is_builtin(&dinfo->sid)) {
1406                 DEBUG(5,("_samr_QueryDisplayInfo: no users in BUILTIN\n"));
1407                 return NT_STATUS_OK;
1408         }
1409
1410         /*
1411          * calculate how many entries we will return.
1412          * based on
1413          * - the number of entries the client asked
1414          * - our limit on that
1415          * - the starting point (enumeration context)
1416          * - the buffer size the client will accept
1417          */
1418
1419         /*
1420          * We are a lot more like W2K. Instead of reading the SAM
1421          * each time to find the records we need to send back,
1422          * we read it once and link that copy to the sam handle.
1423          * For large user list (over the MAX_SAM_ENTRIES)
1424          * it's a definitive win.
1425          * second point to notice: between enumerations
1426          * our sam is now the same as it's a snapshoot.
1427          * third point: got rid of the static SAM_USER_21 struct
1428          * no more intermediate.
1429          * con: it uses much more memory, as a full copy is stored
1430          * in memory.
1431          *
1432          * If you want to change it, think twice and think
1433          * of the second point , that's really important.
1434          *
1435          * JFM, 12/20/2001
1436          */
1437
1438         if ((r->in.level < 1) || (r->in.level > 5)) {
1439                 DEBUG(0,("_samr_QueryDisplayInfo: Unknown info level (%u)\n",
1440                          (unsigned int)r->in.level ));
1441                 return NT_STATUS_INVALID_INFO_CLASS;
1442         }
1443
1444         /* first limit the number of entries we will return */
1445         if(max_entries > max_sam_entries) {
1446                 DEBUG(5, ("_samr_QueryDisplayInfo: client requested %d "
1447                           "entries, limiting to %d\n", max_entries,
1448                           max_sam_entries));
1449                 max_entries = max_sam_entries;
1450         }
1451
1452         /* calculate the size and limit on the number of entries we will
1453          * return */
1454
1455         temp_size=max_entries*struct_size;
1456
1457         if (temp_size>max_size) {
1458                 max_entries=MIN((max_size/struct_size),max_entries);;
1459                 DEBUG(5, ("_samr_QueryDisplayInfo: buffer size limits to "
1460                           "only %d entries\n", max_entries));
1461         }
1462
1463         become_root();
1464
1465         /* THe following done as ROOT. Don't return without unbecome_root(). */
1466
1467         switch (r->in.level) {
1468         case 0x1:
1469         case 0x4:
1470                 if (dinfo->disp_info->users == NULL) {
1471                         dinfo->disp_info->users = pdb_search_users(
1472                                 dinfo->disp_info, ACB_NORMAL);
1473                         if (dinfo->disp_info->users == NULL) {
1474                                 unbecome_root();
1475                                 return NT_STATUS_ACCESS_DENIED;
1476                         }
1477                         DEBUG(10,("_samr_QueryDisplayInfo: starting user enumeration at index %u\n",
1478                                 (unsigned  int)enum_context ));
1479                 } else {
1480                         DEBUG(10,("_samr_QueryDisplayInfo: using cached user enumeration at index %u\n",
1481                                 (unsigned  int)enum_context ));
1482                 }
1483
1484                 num_account = pdb_search_entries(dinfo->disp_info->users,
1485                                                  enum_context, max_entries,
1486                                                  &entries);
1487                 break;
1488         case 0x2:
1489                 if (dinfo->disp_info->machines == NULL) {
1490                         dinfo->disp_info->machines = pdb_search_users(
1491                                 dinfo->disp_info, ACB_WSTRUST|ACB_SVRTRUST);
1492                         if (dinfo->disp_info->machines == NULL) {
1493                                 unbecome_root();
1494                                 return NT_STATUS_ACCESS_DENIED;
1495                         }
1496                         DEBUG(10,("_samr_QueryDisplayInfo: starting machine enumeration at index %u\n",
1497                                 (unsigned  int)enum_context ));
1498                 } else {
1499                         DEBUG(10,("_samr_QueryDisplayInfo: using cached machine enumeration at index %u\n",
1500                                 (unsigned  int)enum_context ));
1501                 }
1502
1503                 num_account = pdb_search_entries(dinfo->disp_info->machines,
1504                                                  enum_context, max_entries,
1505                                                  &entries);
1506                 break;
1507         case 0x3:
1508         case 0x5:
1509                 if (dinfo->disp_info->groups == NULL) {
1510                         dinfo->disp_info->groups = pdb_search_groups(
1511                                 dinfo->disp_info);
1512                         if (dinfo->disp_info->groups == NULL) {
1513                                 unbecome_root();
1514                                 return NT_STATUS_ACCESS_DENIED;
1515                         }
1516                         DEBUG(10,("_samr_QueryDisplayInfo: starting group enumeration at index %u\n",
1517                                 (unsigned  int)enum_context ));
1518                 } else {
1519                         DEBUG(10,("_samr_QueryDisplayInfo: using cached group enumeration at index %u\n",
1520                                 (unsigned  int)enum_context ));
1521                 }
1522
1523                 num_account = pdb_search_entries(dinfo->disp_info->groups,
1524                                                  enum_context, max_entries,
1525                                                  &entries);
1526                 break;
1527         default:
1528                 unbecome_root();
1529                 smb_panic("info class changed");
1530                 break;
1531         }
1532         unbecome_root();
1533
1534
1535         /* Now create reply structure */
1536         switch (r->in.level) {
1537         case 0x1:
1538                 disp_ret = init_samr_dispinfo_1(p->mem_ctx, &disp_info->info1,
1539                                                 num_account, enum_context,
1540                                                 entries);
1541                 break;
1542         case 0x2:
1543                 disp_ret = init_samr_dispinfo_2(p->mem_ctx, &disp_info->info2,
1544                                                 num_account, enum_context,
1545                                                 entries);
1546                 break;
1547         case 0x3:
1548                 disp_ret = init_samr_dispinfo_3(p->mem_ctx, &disp_info->info3,
1549                                                 num_account, enum_context,
1550                                                 entries);
1551                 break;
1552         case 0x4:
1553                 disp_ret = init_samr_dispinfo_4(p->mem_ctx, &disp_info->info4,
1554                                                 num_account, enum_context,
1555                                                 entries);
1556                 break;
1557         case 0x5:
1558                 disp_ret = init_samr_dispinfo_5(p->mem_ctx, &disp_info->info5,
1559                                                 num_account, enum_context,
1560                                                 entries);
1561                 break;
1562         default:
1563                 smb_panic("info class changed");
1564                 break;
1565         }
1566
1567         if (!NT_STATUS_IS_OK(disp_ret))
1568                 return disp_ret;
1569
1570         /* calculate the total size */
1571         total_data_size=num_account*struct_size;
1572
1573         if (max_entries <= num_account) {
1574                 status = STATUS_MORE_ENTRIES;
1575         } else {
1576                 status = NT_STATUS_OK;
1577         }
1578
1579         /* Ensure we cache this enumeration. */
1580         set_disp_info_cache_timeout(dinfo->disp_info, DISP_INFO_CACHE_TIMEOUT);
1581
1582         DEBUG(5, ("_samr_QueryDisplayInfo: %d\n", __LINE__));
1583
1584         *r->out.total_size = total_data_size;
1585         *r->out.returned_size = temp_size;
1586
1587         return status;
1588 }
1589
1590 /****************************************************************
1591  _samr_QueryDisplayInfo2
1592 ****************************************************************/
1593
1594 NTSTATUS _samr_QueryDisplayInfo2(pipes_struct *p,
1595                                  struct samr_QueryDisplayInfo2 *r)
1596 {
1597         struct samr_QueryDisplayInfo q;
1598
1599         q.in.domain_handle      = r->in.domain_handle;
1600         q.in.level              = r->in.level;
1601         q.in.start_idx          = r->in.start_idx;
1602         q.in.max_entries        = r->in.max_entries;
1603         q.in.buf_size           = r->in.buf_size;
1604
1605         q.out.total_size        = r->out.total_size;
1606         q.out.returned_size     = r->out.returned_size;
1607         q.out.info              = r->out.info;
1608
1609         return _samr_QueryDisplayInfo(p, &q);
1610 }
1611
1612 /****************************************************************
1613  _samr_QueryDisplayInfo3
1614 ****************************************************************/
1615
1616 NTSTATUS _samr_QueryDisplayInfo3(pipes_struct *p,
1617                                  struct samr_QueryDisplayInfo3 *r)
1618 {
1619         struct samr_QueryDisplayInfo q;
1620
1621         q.in.domain_handle      = r->in.domain_handle;
1622         q.in.level              = r->in.level;
1623         q.in.start_idx          = r->in.start_idx;
1624         q.in.max_entries        = r->in.max_entries;
1625         q.in.buf_size           = r->in.buf_size;
1626
1627         q.out.total_size        = r->out.total_size;
1628         q.out.returned_size     = r->out.returned_size;
1629         q.out.info              = r->out.info;
1630
1631         return _samr_QueryDisplayInfo(p, &q);
1632 }
1633
1634 /*******************************************************************
1635  _samr_QueryAliasInfo
1636  ********************************************************************/
1637
1638 NTSTATUS _samr_QueryAliasInfo(pipes_struct *p,
1639                               struct samr_QueryAliasInfo *r)
1640 {
1641         struct samr_alias_info *ainfo;
1642         struct acct_info info;
1643         NTSTATUS status;
1644         union samr_AliasInfo *alias_info = NULL;
1645         const char *alias_name = NULL;
1646         const char *alias_description = NULL;
1647
1648         DEBUG(5,("_samr_QueryAliasInfo: %d\n", __LINE__));
1649
1650         ainfo = policy_handle_find(p, r->in.alias_handle,
1651                                    SAMR_ALIAS_ACCESS_LOOKUP_INFO, NULL,
1652                                    struct samr_alias_info, &status);
1653         if (!NT_STATUS_IS_OK(status)) {
1654                 return status;
1655         }
1656
1657         alias_info = TALLOC_ZERO_P(p->mem_ctx, union samr_AliasInfo);
1658         if (!alias_info) {
1659                 return NT_STATUS_NO_MEMORY;
1660         }
1661
1662         become_root();
1663         status = pdb_get_aliasinfo(&ainfo->sid, &info);
1664         unbecome_root();
1665
1666         if ( !NT_STATUS_IS_OK(status))
1667                 return status;
1668
1669         /* FIXME: info contains fstrings */
1670         alias_name = talloc_strdup(r, info.acct_name);
1671         alias_description = talloc_strdup(r, info.acct_desc);
1672
1673         switch (r->in.level) {
1674         case ALIASINFOALL:
1675                 alias_info->all.name.string             = alias_name;
1676                 alias_info->all.num_members             = 1; /* ??? */
1677                 alias_info->all.description.string      = alias_description;
1678                 break;
1679         case ALIASINFONAME:
1680                 alias_info->name.string                 = alias_name;
1681                 break;
1682         case ALIASINFODESCRIPTION:
1683                 alias_info->description.string          = alias_description;
1684                 break;
1685         default:
1686                 return NT_STATUS_INVALID_INFO_CLASS;
1687         }
1688
1689         *r->out.info = alias_info;
1690
1691         DEBUG(5,("_samr_QueryAliasInfo: %d\n", __LINE__));
1692
1693         return NT_STATUS_OK;
1694 }
1695
1696 /*******************************************************************
1697  _samr_LookupNames
1698  ********************************************************************/
1699
1700 NTSTATUS _samr_LookupNames(pipes_struct *p,
1701                            struct samr_LookupNames *r)
1702 {
1703         struct samr_domain_info *dinfo;
1704         NTSTATUS status;
1705         uint32 *rid;
1706         enum lsa_SidType *type;
1707         int i;
1708         int num_rids = r->in.num_names;
1709         struct samr_Ids rids, types;
1710         uint32_t num_mapped = 0;
1711
1712         DEBUG(5,("_samr_LookupNames: %d\n", __LINE__));
1713
1714         dinfo = policy_handle_find(p, r->in.domain_handle,
1715                                    0 /* Don't know the acc_bits yet */, NULL,
1716                                    struct samr_domain_info, &status);
1717         if (!NT_STATUS_IS_OK(status)) {
1718                 return status;
1719         }
1720
1721         if (num_rids > MAX_SAM_ENTRIES) {
1722                 num_rids = MAX_SAM_ENTRIES;
1723                 DEBUG(5,("_samr_LookupNames: truncating entries to %d\n", num_rids));
1724         }
1725
1726         rid = talloc_array(p->mem_ctx, uint32, num_rids);
1727         NT_STATUS_HAVE_NO_MEMORY(rid);
1728
1729         type = talloc_array(p->mem_ctx, enum lsa_SidType, num_rids);
1730         NT_STATUS_HAVE_NO_MEMORY(type);
1731
1732         DEBUG(5,("_samr_LookupNames: looking name on SID %s\n",
1733                  sid_string_dbg(&dinfo->sid)));
1734
1735         for (i = 0; i < num_rids; i++) {
1736
1737                 status = NT_STATUS_NONE_MAPPED;
1738                 type[i] = SID_NAME_UNKNOWN;
1739
1740                 rid[i] = 0xffffffff;
1741
1742                 if (sid_check_is_builtin(&dinfo->sid)) {
1743                         if (lookup_builtin_name(r->in.names[i].string,
1744                                                 &rid[i]))
1745                         {
1746                                 type[i] = SID_NAME_ALIAS;
1747                         }
1748                 } else {
1749                         lookup_global_sam_name(r->in.names[i].string, 0,
1750                                                &rid[i], &type[i]);
1751                 }
1752
1753                 if (type[i] != SID_NAME_UNKNOWN) {
1754                         num_mapped++;
1755                 }
1756         }
1757
1758         if (num_mapped == num_rids) {
1759                 status = NT_STATUS_OK;
1760         } else if (num_mapped == 0) {
1761                 status = NT_STATUS_NONE_MAPPED;
1762         } else {
1763                 status = STATUS_SOME_UNMAPPED;
1764         }
1765
1766         rids.count = num_rids;
1767         rids.ids = rid;
1768
1769         types.count = num_rids;
1770         types.ids = type;
1771
1772         *r->out.rids = rids;
1773         *r->out.types = types;
1774
1775         DEBUG(5,("_samr_LookupNames: %d\n", __LINE__));
1776
1777         return status;
1778 }
1779
1780 /****************************************************************
1781  _samr_ChangePasswordUser
1782 ****************************************************************/
1783
1784 NTSTATUS _samr_ChangePasswordUser(pipes_struct *p,
1785                                   struct samr_ChangePasswordUser *r)
1786 {
1787         NTSTATUS status;
1788         bool ret = false;
1789         struct samr_user_info *uinfo;
1790         struct samu *pwd;
1791         struct samr_Password new_lmPwdHash, new_ntPwdHash, checkHash;
1792         struct samr_Password lm_pwd, nt_pwd;
1793
1794         uinfo = policy_handle_find(p, r->in.user_handle,
1795                                    SAMR_USER_ACCESS_SET_PASSWORD, NULL,
1796                                    struct samr_user_info, &status);
1797         if (!NT_STATUS_IS_OK(status)) {
1798                 return status;
1799         }
1800
1801         DEBUG(5,("_samr_ChangePasswordUser: sid:%s\n",
1802                   sid_string_dbg(&uinfo->sid)));
1803
1804         if (!(pwd = samu_new(NULL))) {
1805                 return NT_STATUS_NO_MEMORY;
1806         }
1807
1808         become_root();
1809         ret = pdb_getsampwsid(pwd, &uinfo->sid);
1810         unbecome_root();
1811
1812         if (!ret) {
1813                 TALLOC_FREE(pwd);
1814                 return NT_STATUS_WRONG_PASSWORD;
1815         }
1816
1817         {
1818                 const uint8_t *lm_pass, *nt_pass;
1819
1820                 lm_pass = pdb_get_lanman_passwd(pwd);
1821                 nt_pass = pdb_get_nt_passwd(pwd);
1822
1823                 if (!lm_pass || !nt_pass) {
1824                         status = NT_STATUS_WRONG_PASSWORD;
1825                         goto out;
1826                 }
1827
1828                 memcpy(&lm_pwd.hash, lm_pass, sizeof(lm_pwd.hash));
1829                 memcpy(&nt_pwd.hash, nt_pass, sizeof(nt_pwd.hash));
1830         }
1831
1832         /* basic sanity checking on parameters.  Do this before any database ops */
1833         if (!r->in.lm_present || !r->in.nt_present ||
1834             !r->in.old_lm_crypted || !r->in.new_lm_crypted ||
1835             !r->in.old_nt_crypted || !r->in.new_nt_crypted) {
1836                 /* we should really handle a change with lm not
1837                    present */
1838                 status = NT_STATUS_INVALID_PARAMETER_MIX;
1839                 goto out;
1840         }
1841
1842         /* decrypt and check the new lm hash */
1843         D_P16(lm_pwd.hash, r->in.new_lm_crypted->hash, new_lmPwdHash.hash);
1844         D_P16(new_lmPwdHash.hash, r->in.old_lm_crypted->hash, checkHash.hash);
1845         if (memcmp(checkHash.hash, lm_pwd.hash, 16) != 0) {
1846                 status = NT_STATUS_WRONG_PASSWORD;
1847                 goto out;
1848         }
1849
1850         /* decrypt and check the new nt hash */
1851         D_P16(nt_pwd.hash, r->in.new_nt_crypted->hash, new_ntPwdHash.hash);
1852         D_P16(new_ntPwdHash.hash, r->in.old_nt_crypted->hash, checkHash.hash);
1853         if (memcmp(checkHash.hash, nt_pwd.hash, 16) != 0) {
1854                 status = NT_STATUS_WRONG_PASSWORD;
1855                 goto out;
1856         }
1857
1858         /* The NT Cross is not required by Win2k3 R2, but if present
1859            check the nt cross hash */
1860         if (r->in.cross1_present && r->in.nt_cross) {
1861                 D_P16(lm_pwd.hash, r->in.nt_cross->hash, checkHash.hash);
1862                 if (memcmp(checkHash.hash, new_ntPwdHash.hash, 16) != 0) {
1863                         status = NT_STATUS_WRONG_PASSWORD;
1864                         goto out;
1865                 }
1866         }
1867
1868         /* The LM Cross is not required by Win2k3 R2, but if present
1869            check the lm cross hash */
1870         if (r->in.cross2_present && r->in.lm_cross) {
1871                 D_P16(nt_pwd.hash, r->in.lm_cross->hash, checkHash.hash);
1872                 if (memcmp(checkHash.hash, new_lmPwdHash.hash, 16) != 0) {
1873                         status = NT_STATUS_WRONG_PASSWORD;
1874                         goto out;
1875                 }
1876         }
1877
1878         if (!pdb_set_nt_passwd(pwd, new_ntPwdHash.hash, PDB_CHANGED) ||
1879             !pdb_set_lanman_passwd(pwd, new_lmPwdHash.hash, PDB_CHANGED)) {
1880                 status = NT_STATUS_ACCESS_DENIED;
1881                 goto out;
1882         }
1883
1884         status = pdb_update_sam_account(pwd);
1885  out:
1886         TALLOC_FREE(pwd);
1887
1888         return status;
1889 }
1890
1891 /*******************************************************************
1892  _samr_ChangePasswordUser2
1893  ********************************************************************/
1894
1895 NTSTATUS _samr_ChangePasswordUser2(pipes_struct *p,
1896                                    struct samr_ChangePasswordUser2 *r)
1897 {
1898         NTSTATUS status;
1899         fstring user_name;
1900         fstring wks;
1901
1902         DEBUG(5,("_samr_ChangePasswordUser2: %d\n", __LINE__));
1903
1904         fstrcpy(user_name, r->in.account->string);
1905         fstrcpy(wks, r->in.server->string);
1906
1907         DEBUG(5,("_samr_ChangePasswordUser2: user: %s wks: %s\n", user_name, wks));
1908
1909         /*
1910          * Pass the user through the NT -> unix user mapping
1911          * function.
1912          */
1913
1914         (void)map_username(user_name);
1915
1916         /*
1917          * UNIX username case mangling not required, pass_oem_change
1918          * is case insensitive.
1919          */
1920
1921         status = pass_oem_change(user_name,
1922                                  r->in.lm_password->data,
1923                                  r->in.lm_verifier->hash,
1924                                  r->in.nt_password->data,
1925                                  r->in.nt_verifier->hash,
1926                                  NULL);
1927
1928         DEBUG(5,("_samr_ChangePasswordUser2: %d\n", __LINE__));
1929
1930         if (NT_STATUS_EQUAL(status, NT_STATUS_NO_SUCH_USER)) {
1931                 return NT_STATUS_WRONG_PASSWORD;
1932         }
1933
1934         return status;
1935 }
1936
1937 /****************************************************************
1938  _samr_OemChangePasswordUser2
1939 ****************************************************************/
1940
1941 NTSTATUS _samr_OemChangePasswordUser2(pipes_struct *p,
1942                                       struct samr_OemChangePasswordUser2 *r)
1943 {
1944         NTSTATUS status;
1945         fstring user_name;
1946         const char *wks = NULL;
1947
1948         DEBUG(5,("_samr_OemChangePasswordUser2: %d\n", __LINE__));
1949
1950         fstrcpy(user_name, r->in.account->string);
1951         if (r->in.server && r->in.server->string) {
1952                 wks = r->in.server->string;
1953         }
1954
1955         DEBUG(5,("_samr_OemChangePasswordUser2: user: %s wks: %s\n", user_name, wks));
1956
1957         /*
1958          * Pass the user through the NT -> unix user mapping
1959          * function.
1960          */
1961
1962         (void)map_username(user_name);
1963
1964         /*
1965          * UNIX username case mangling not required, pass_oem_change
1966          * is case insensitive.
1967          */
1968
1969         if (!r->in.hash || !r->in.password) {
1970                 return NT_STATUS_INVALID_PARAMETER;
1971         }
1972
1973         status = pass_oem_change(user_name,
1974                                  r->in.password->data,
1975                                  r->in.hash->hash,
1976                                  0,
1977                                  0,
1978                                  NULL);
1979
1980         if (NT_STATUS_EQUAL(status, NT_STATUS_NO_SUCH_USER)) {
1981                 return NT_STATUS_WRONG_PASSWORD;
1982         }
1983
1984         DEBUG(5,("_samr_OemChangePasswordUser2: %d\n", __LINE__));
1985
1986         return status;
1987 }
1988
1989 /*******************************************************************
1990  _samr_ChangePasswordUser3
1991  ********************************************************************/
1992
1993 NTSTATUS _samr_ChangePasswordUser3(pipes_struct *p,
1994                                    struct samr_ChangePasswordUser3 *r)
1995 {
1996         NTSTATUS status;
1997         fstring user_name;
1998         const char *wks = NULL;
1999         uint32 reject_reason;
2000         struct samr_DomInfo1 *dominfo = NULL;
2001         struct samr_ChangeReject *reject = NULL;
2002         uint32_t tmp;
2003
2004         DEBUG(5,("_samr_ChangePasswordUser3: %d\n", __LINE__));
2005
2006         fstrcpy(user_name, r->in.account->string);
2007         if (r->in.server && r->in.server->string) {
2008                 wks = r->in.server->string;
2009         }
2010
2011         DEBUG(5,("_samr_ChangePasswordUser3: user: %s wks: %s\n", user_name, wks));
2012
2013         /*
2014          * Pass the user through the NT -> unix user mapping
2015          * function.
2016          */
2017
2018         (void)map_username(user_name);
2019
2020         /*
2021          * UNIX username case mangling not required, pass_oem_change
2022          * is case insensitive.
2023          */
2024
2025         status = pass_oem_change(user_name,
2026                                  r->in.lm_password->data,
2027                                  r->in.lm_verifier->hash,
2028                                  r->in.nt_password->data,
2029                                  r->in.nt_verifier->hash,
2030                                  &reject_reason);
2031         if (NT_STATUS_EQUAL(status, NT_STATUS_NO_SUCH_USER)) {
2032                 return NT_STATUS_WRONG_PASSWORD;
2033         }
2034
2035         if (NT_STATUS_EQUAL(status, NT_STATUS_PASSWORD_RESTRICTION) ||
2036             NT_STATUS_EQUAL(status, NT_STATUS_ACCOUNT_RESTRICTION)) {
2037
2038                 time_t u_expire, u_min_age;
2039                 uint32 account_policy_temp;
2040
2041                 dominfo = TALLOC_ZERO_P(p->mem_ctx, struct samr_DomInfo1);
2042                 if (!dominfo) {
2043                         return NT_STATUS_NO_MEMORY;
2044                 }
2045
2046                 reject = TALLOC_ZERO_P(p->mem_ctx, struct samr_ChangeReject);
2047                 if (!reject) {
2048                         return NT_STATUS_NO_MEMORY;
2049                 }
2050
2051                 become_root();
2052
2053                 /* AS ROOT !!! */
2054
2055                 pdb_get_account_policy(AP_MIN_PASSWORD_LEN, &tmp);
2056                 dominfo->min_password_length = tmp;
2057
2058                 pdb_get_account_policy(AP_PASSWORD_HISTORY, &tmp);
2059                 dominfo->password_history_length = tmp;
2060
2061                 pdb_get_account_policy(AP_USER_MUST_LOGON_TO_CHG_PASS,
2062                                        &dominfo->password_properties);
2063
2064                 pdb_get_account_policy(AP_MAX_PASSWORD_AGE, &account_policy_temp);
2065                 u_expire = account_policy_temp;
2066
2067                 pdb_get_account_policy(AP_MIN_PASSWORD_AGE, &account_policy_temp);
2068                 u_min_age = account_policy_temp;
2069
2070                 /* !AS ROOT */
2071
2072                 unbecome_root();
2073
2074                 unix_to_nt_time_abs((NTTIME *)&dominfo->max_password_age, u_expire);
2075                 unix_to_nt_time_abs((NTTIME *)&dominfo->min_password_age, u_min_age);
2076
2077                 if (lp_check_password_script() && *lp_check_password_script()) {
2078                         dominfo->password_properties |= DOMAIN_PASSWORD_COMPLEX;
2079                 }
2080
2081                 reject->reason = reject_reason;
2082
2083                 *r->out.dominfo = dominfo;
2084                 *r->out.reject = reject;
2085         }
2086
2087         DEBUG(5,("_samr_ChangePasswordUser3: %d\n", __LINE__));
2088
2089         return status;
2090 }
2091
2092 /*******************************************************************
2093 makes a SAMR_R_LOOKUP_RIDS structure.
2094 ********************************************************************/
2095
2096 static bool make_samr_lookup_rids(TALLOC_CTX *ctx, uint32 num_names,
2097                                   const char **names,
2098                                   struct lsa_String **lsa_name_array_p)
2099 {
2100         struct lsa_String *lsa_name_array = NULL;
2101         uint32_t i;
2102
2103         *lsa_name_array_p = NULL;
2104
2105         if (num_names != 0) {
2106                 lsa_name_array = TALLOC_ZERO_ARRAY(ctx, struct lsa_String, num_names);
2107                 if (!lsa_name_array) {
2108                         return false;
2109                 }
2110         }
2111
2112         for (i = 0; i < num_names; i++) {
2113                 DEBUG(10, ("names[%d]:%s\n", i, names[i] && *names[i] ? names[i] : ""));
2114                 init_lsa_String(&lsa_name_array[i], names[i]);
2115         }
2116
2117         *lsa_name_array_p = lsa_name_array;
2118
2119         return true;
2120 }
2121
2122 /*******************************************************************
2123  _samr_LookupRids
2124  ********************************************************************/
2125
2126 NTSTATUS _samr_LookupRids(pipes_struct *p,
2127                           struct samr_LookupRids *r)
2128 {
2129         struct samr_domain_info *dinfo;
2130         NTSTATUS status;
2131         const char **names;
2132         enum lsa_SidType *attrs = NULL;
2133         uint32 *wire_attrs = NULL;
2134         int num_rids = (int)r->in.num_rids;
2135         int i;
2136         struct lsa_Strings names_array;
2137         struct samr_Ids types_array;
2138         struct lsa_String *lsa_names = NULL;
2139
2140         DEBUG(5,("_samr_LookupRids: %d\n", __LINE__));
2141
2142         dinfo = policy_handle_find(p, r->in.domain_handle,
2143                                    0 /* Don't know the acc_bits yet */, NULL,
2144                                    struct samr_domain_info, &status);
2145         if (!NT_STATUS_IS_OK(status)) {
2146                 return status;
2147         }
2148
2149         if (num_rids > 1000) {
2150                 DEBUG(0, ("Got asked for %d rids (more than 1000) -- according "
2151                           "to samba4 idl this is not possible\n", num_rids));
2152                 return NT_STATUS_UNSUCCESSFUL;
2153         }
2154
2155         if (num_rids) {
2156                 names = TALLOC_ZERO_ARRAY(p->mem_ctx, const char *, num_rids);
2157                 attrs = TALLOC_ZERO_ARRAY(p->mem_ctx, enum lsa_SidType, num_rids);
2158                 wire_attrs = TALLOC_ZERO_ARRAY(p->mem_ctx, uint32, num_rids);
2159
2160                 if ((names == NULL) || (attrs == NULL) || (wire_attrs==NULL))
2161                         return NT_STATUS_NO_MEMORY;
2162         } else {
2163                 names = NULL;
2164                 attrs = NULL;
2165                 wire_attrs = NULL;
2166         }
2167
2168         become_root();  /* lookup_sid can require root privs */
2169         status = pdb_lookup_rids(&dinfo->sid, num_rids, r->in.rids,
2170                                  names, attrs);
2171         unbecome_root();
2172
2173         if (NT_STATUS_EQUAL(status, NT_STATUS_NONE_MAPPED) && (num_rids == 0)) {
2174                 status = NT_STATUS_OK;
2175         }
2176
2177         if (!make_samr_lookup_rids(p->mem_ctx, num_rids, names,
2178                                    &lsa_names)) {
2179                 return NT_STATUS_NO_MEMORY;
2180         }
2181
2182         /* Convert from enum lsa_SidType to uint32 for wire format. */
2183         for (i = 0; i < num_rids; i++) {
2184                 wire_attrs[i] = (uint32)attrs[i];
2185         }
2186
2187         names_array.count = num_rids;
2188         names_array.names = lsa_names;
2189
2190         types_array.count = num_rids;
2191         types_array.ids = wire_attrs;
2192
2193         *r->out.names = names_array;
2194         *r->out.types = types_array;
2195
2196         DEBUG(5,("_samr_LookupRids: %d\n", __LINE__));
2197
2198         return status;
2199 }
2200
2201 /*******************************************************************
2202  _samr_OpenUser
2203 ********************************************************************/
2204
2205 NTSTATUS _samr_OpenUser(pipes_struct *p,
2206                         struct samr_OpenUser *r)
2207 {
2208         struct samu *sampass=NULL;
2209         DOM_SID sid;
2210         struct samr_domain_info *dinfo;
2211         struct samr_user_info *uinfo;
2212         SEC_DESC *psd = NULL;
2213         uint32    acc_granted;
2214         uint32    des_access = r->in.access_mask;
2215         uint32_t extra_access = 0;
2216         size_t    sd_size;
2217         bool ret;
2218         NTSTATUS nt_status;
2219         SE_PRIV se_rights;
2220         NTSTATUS status;
2221
2222         dinfo = policy_handle_find(p, r->in.domain_handle,
2223                                    SAMR_DOMAIN_ACCESS_OPEN_ACCOUNT, NULL,
2224                                    struct samr_domain_info, &status);
2225         if (!NT_STATUS_IS_OK(status)) {
2226                 return status;
2227         }
2228
2229         if ( !(sampass = samu_new( p->mem_ctx )) ) {
2230                 return NT_STATUS_NO_MEMORY;
2231         }
2232
2233         /* append the user's RID to it */
2234
2235         if (!sid_compose(&sid, &dinfo->sid, r->in.rid))
2236                 return NT_STATUS_NO_SUCH_USER;
2237
2238         /* check if access can be granted as requested by client. */
2239
2240         map_max_allowed_access(p->server_info->ptok, &des_access);
2241
2242         make_samr_object_sd(p->mem_ctx, &psd, &sd_size, &usr_generic_mapping, &sid, SAMR_USR_RIGHTS_WRITE_PW);
2243         se_map_generic(&des_access, &usr_generic_mapping);
2244
2245         /*
2246          * Get the sampass first as we need to check privilages
2247          * based on what kind of user object this is.
2248          * But don't reveal info too early if it didn't exist.
2249          */
2250
2251         become_root();
2252         ret=pdb_getsampwsid(sampass, &sid);
2253         unbecome_root();
2254
2255         se_priv_copy(&se_rights, &se_priv_none);
2256
2257         /*
2258          * We do the override access checks on *open*, not at
2259          * SetUserInfo time.
2260          */
2261         if (ret) {
2262                 uint32_t acb_info = pdb_get_acct_ctrl(sampass);
2263
2264                 if ((acb_info & ACB_WSTRUST) &&
2265                                 user_has_any_privilege(p->server_info->ptok,
2266                                                 &se_machine_account)) {
2267                         /*
2268                          * SeMachineAccount is needed to add
2269                          * GENERIC_RIGHTS_USER_WRITE to a machine
2270                          * account.
2271                          */
2272                         se_priv_add(&se_rights, &se_machine_account);
2273                         DEBUG(10,("_samr_OpenUser: adding machine account "
2274                                 "rights to handle for user %s\n",
2275                                 pdb_get_username(sampass) ));
2276                 }
2277                 if ((acb_info & ACB_NORMAL) &&
2278                                 user_has_any_privilege(p->server_info->ptok,
2279                                                 &se_add_users)) {
2280                         /*
2281                          * SeAddUsers is needed to add
2282                          * GENERIC_RIGHTS_USER_WRITE to a normal
2283                          * account.
2284                          */
2285                         se_priv_add(&se_rights, &se_add_users);
2286                         DEBUG(10,("_samr_OpenUser: adding add user "
2287                                 "rights to handle for user %s\n",
2288                                 pdb_get_username(sampass) ));
2289                 }
2290                 /*
2291                  * Cheat - allow GENERIC_RIGHTS_USER_WRITE if pipe user is
2292                  * in DOMAIN_GROUP_RID_ADMINS. This is almost certainly not
2293                  * what Windows does but is a hack for people who haven't
2294                  * set up privilages on groups in Samba.
2295                  */
2296                 if (acb_info & (ACB_SVRTRUST|ACB_DOMTRUST)) {
2297                         if (lp_enable_privileges() && nt_token_check_domain_rid(p->server_info->ptok,
2298                                                         DOMAIN_GROUP_RID_ADMINS)) {
2299                                 des_access &= ~GENERIC_RIGHTS_USER_WRITE;
2300                                 extra_access = GENERIC_RIGHTS_USER_WRITE;
2301                                 DEBUG(4,("_samr_OpenUser: Allowing "
2302                                         "GENERIC_RIGHTS_USER_WRITE for "
2303                                         "rid admins\n"));
2304                         }
2305                 }
2306         }
2307
2308         TALLOC_FREE(sampass);
2309
2310         nt_status = access_check_samr_object(psd, p->server_info->ptok,
2311                 &se_rights, GENERIC_RIGHTS_USER_WRITE, des_access,
2312                 &acc_granted, "_samr_OpenUser");
2313
2314         if ( !NT_STATUS_IS_OK(nt_status) )
2315                 return nt_status;
2316
2317         /* check that the SID exists in our domain. */
2318         if (ret == False) {
2319                 return NT_STATUS_NO_SUCH_USER;
2320         }
2321
2322         /* If we did the rid admins hack above, allow access. */
2323         acc_granted |= extra_access;
2324
2325         uinfo = policy_handle_create(p, r->out.user_handle, acc_granted,
2326                                      struct samr_user_info, &nt_status);
2327         if (!NT_STATUS_IS_OK(nt_status)) {
2328                 return nt_status;
2329         }
2330         uinfo->sid = sid;
2331
2332         return NT_STATUS_OK;
2333 }
2334
2335 /*************************************************************************
2336  *************************************************************************/
2337
2338 static NTSTATUS init_samr_parameters_string(TALLOC_CTX *mem_ctx,
2339                                             DATA_BLOB *blob,
2340                                             struct lsa_BinaryString **_r)
2341 {
2342         struct lsa_BinaryString *r;
2343
2344         if (!blob || !_r) {
2345                 return NT_STATUS_INVALID_PARAMETER;
2346         }
2347
2348         r = TALLOC_ZERO_P(mem_ctx, struct lsa_BinaryString);
2349         if (!r) {
2350                 return NT_STATUS_NO_MEMORY;
2351         }
2352
2353         r->array = TALLOC_ZERO_ARRAY(mem_ctx, uint16_t, blob->length/2);
2354         if (!r->array) {
2355                 return NT_STATUS_NO_MEMORY;
2356         }
2357         memcpy(r->array, blob->data, blob->length);
2358         r->size = blob->length;
2359         r->length = blob->length;
2360
2361         if (!r->array) {
2362                 return NT_STATUS_NO_MEMORY;
2363         }
2364
2365         *_r = r;
2366
2367         return NT_STATUS_OK;
2368 }
2369
2370 /*************************************************************************
2371  get_user_info_1.
2372  *************************************************************************/
2373
2374 static NTSTATUS get_user_info_1(TALLOC_CTX *mem_ctx,
2375                                 struct samr_UserInfo1 *r,
2376                                 struct samu *pw,
2377                                 DOM_SID *domain_sid)
2378 {
2379         const DOM_SID *sid_group;
2380         uint32_t primary_gid;
2381
2382         become_root();
2383         sid_group = pdb_get_group_sid(pw);
2384         unbecome_root();
2385
2386         if (!sid_peek_check_rid(domain_sid, sid_group, &primary_gid)) {
2387                 DEBUG(0, ("get_user_info_1: User %s has Primary Group SID %s, \n"
2388                           "which conflicts with the domain sid %s.  Failing operation.\n",
2389                           pdb_get_username(pw), sid_string_dbg(sid_group),
2390                           sid_string_dbg(domain_sid)));
2391                 return NT_STATUS_UNSUCCESSFUL;
2392         }
2393
2394         r->account_name.string          = talloc_strdup(mem_ctx, pdb_get_username(pw));
2395         r->full_name.string             = talloc_strdup(mem_ctx, pdb_get_fullname(pw));
2396         r->primary_gid                  = primary_gid;
2397         r->description.string           = talloc_strdup(mem_ctx, pdb_get_acct_desc(pw));
2398         r->comment.string               = talloc_strdup(mem_ctx, pdb_get_comment(pw));
2399
2400         return NT_STATUS_OK;
2401 }
2402
2403 /*************************************************************************
2404  get_user_info_2.
2405  *************************************************************************/
2406
2407 static NTSTATUS get_user_info_2(TALLOC_CTX *mem_ctx,
2408                                 struct samr_UserInfo2 *r,
2409                                 struct samu *pw)
2410 {
2411         r->comment.string               = talloc_strdup(mem_ctx, pdb_get_comment(pw));
2412         r->unknown.string               = NULL;
2413         r->country_code                 = 0;
2414         r->code_page                    = 0;
2415
2416         return NT_STATUS_OK;
2417 }
2418
2419 /*************************************************************************
2420  get_user_info_3.
2421  *************************************************************************/
2422
2423 static NTSTATUS get_user_info_3(TALLOC_CTX *mem_ctx,
2424                                 struct samr_UserInfo3 *r,
2425                                 struct samu *pw,
2426                                 DOM_SID *domain_sid)
2427 {
2428         const DOM_SID *sid_user, *sid_group;
2429         uint32_t rid, primary_gid;
2430
2431         sid_user = pdb_get_user_sid(pw);
2432
2433         if (!sid_peek_check_rid(domain_sid, sid_user, &rid)) {
2434                 DEBUG(0, ("get_user_info_3: User %s has SID %s, \nwhich conflicts with "
2435                           "the domain sid %s.  Failing operation.\n",
2436                           pdb_get_username(pw), sid_string_dbg(sid_user),
2437                           sid_string_dbg(domain_sid)));
2438                 return NT_STATUS_UNSUCCESSFUL;
2439         }
2440
2441         become_root();
2442         sid_group = pdb_get_group_sid(pw);
2443         unbecome_root();
2444
2445         if (!sid_peek_check_rid(domain_sid, sid_group, &primary_gid)) {
2446                 DEBUG(0, ("get_user_info_3: User %s has Primary Group SID %s, \n"
2447                           "which conflicts with the domain sid %s.  Failing operation.\n",
2448                           pdb_get_username(pw), sid_string_dbg(sid_group),
2449                           sid_string_dbg(domain_sid)));
2450                 return NT_STATUS_UNSUCCESSFUL;
2451         }
2452
2453         unix_to_nt_time(&r->last_logon, pdb_get_logon_time(pw));
2454         unix_to_nt_time(&r->last_logoff, pdb_get_logoff_time(pw));
2455         unix_to_nt_time(&r->last_password_change, pdb_get_pass_last_set_time(pw));
2456         unix_to_nt_time(&r->allow_password_change, pdb_get_pass_can_change_time(pw));
2457         unix_to_nt_time(&r->force_password_change, pdb_get_pass_must_change_time(pw));
2458
2459         r->account_name.string  = talloc_strdup(mem_ctx, pdb_get_username(pw));
2460         r->full_name.string     = talloc_strdup(mem_ctx, pdb_get_fullname(pw));
2461         r->home_directory.string= talloc_strdup(mem_ctx, pdb_get_homedir(pw));
2462         r->home_drive.string    = talloc_strdup(mem_ctx, pdb_get_dir_drive(pw));
2463         r->logon_script.string  = talloc_strdup(mem_ctx, pdb_get_logon_script(pw));
2464         r->profile_path.string  = talloc_strdup(mem_ctx, pdb_get_profile_path(pw));
2465         r->workstations.string  = talloc_strdup(mem_ctx, pdb_get_workstations(pw));
2466
2467         r->logon_hours          = get_logon_hours_from_pdb(mem_ctx, pw);
2468         r->rid                  = rid;
2469         r->primary_gid          = primary_gid;
2470         r->acct_flags           = pdb_get_acct_ctrl(pw);
2471         r->bad_password_count   = pdb_get_bad_password_count(pw);
2472         r->logon_count          = pdb_get_logon_count(pw);
2473
2474         return NT_STATUS_OK;
2475 }
2476
2477 /*************************************************************************
2478  get_user_info_4.
2479  *************************************************************************/
2480
2481 static NTSTATUS get_user_info_4(TALLOC_CTX *mem_ctx,
2482                                 struct samr_UserInfo4 *r,
2483                                 struct samu *pw)
2484 {
2485         r->logon_hours          = get_logon_hours_from_pdb(mem_ctx, pw);
2486
2487         return NT_STATUS_OK;
2488 }
2489
2490 /*************************************************************************
2491  get_user_info_5.
2492  *************************************************************************/
2493
2494 static NTSTATUS get_user_info_5(TALLOC_CTX *mem_ctx,
2495                                 struct samr_UserInfo5 *r,
2496                                 struct samu *pw,
2497                                 DOM_SID *domain_sid)
2498 {
2499         const DOM_SID *sid_user, *sid_group;
2500         uint32_t rid, primary_gid;
2501
2502         sid_user = pdb_get_user_sid(pw);
2503
2504         if (!sid_peek_check_rid(domain_sid, sid_user, &rid)) {
2505                 DEBUG(0, ("get_user_info_5: User %s has SID %s, \nwhich conflicts with "
2506                           "the domain sid %s.  Failing operation.\n",
2507                           pdb_get_username(pw), sid_string_dbg(sid_user),
2508                           sid_string_dbg(domain_sid)));
2509                 return NT_STATUS_UNSUCCESSFUL;
2510         }
2511
2512         become_root();
2513         sid_group = pdb_get_group_sid(pw);
2514         unbecome_root();
2515
2516         if (!sid_peek_check_rid(domain_sid, sid_group, &primary_gid)) {
2517                 DEBUG(0, ("get_user_info_5: User %s has Primary Group SID %s, \n"
2518                           "which conflicts with the domain sid %s.  Failing operation.\n",
2519                           pdb_get_username(pw), sid_string_dbg(sid_group),
2520                           sid_string_dbg(domain_sid)));
2521                 return NT_STATUS_UNSUCCESSFUL;
2522         }
2523
2524         unix_to_nt_time(&r->last_logon, pdb_get_logon_time(pw));
2525         unix_to_nt_time(&r->last_logoff, pdb_get_logoff_time(pw));
2526         unix_to_nt_time(&r->acct_expiry, pdb_get_kickoff_time(pw));
2527         unix_to_nt_time(&r->last_password_change, pdb_get_pass_last_set_time(pw));
2528
2529         r->account_name.string  = talloc_strdup(mem_ctx, pdb_get_username(pw));
2530         r->full_name.string     = talloc_strdup(mem_ctx, pdb_get_fullname(pw));
2531         r->home_directory.string= talloc_strdup(mem_ctx, pdb_get_homedir(pw));
2532         r->home_drive.string    = talloc_strdup(mem_ctx, pdb_get_dir_drive(pw));
2533         r->logon_script.string  = talloc_strdup(mem_ctx, pdb_get_logon_script(pw));
2534         r->profile_path.string  = talloc_strdup(mem_ctx, pdb_get_profile_path(pw));
2535         r->description.string   = talloc_strdup(mem_ctx, pdb_get_acct_desc(pw));
2536         r->workstations.string  = talloc_strdup(mem_ctx, pdb_get_workstations(pw));
2537
2538         r->logon_hours          = get_logon_hours_from_pdb(mem_ctx, pw);
2539         r->rid                  = rid;
2540         r->primary_gid          = primary_gid;
2541         r->acct_flags           = pdb_get_acct_ctrl(pw);
2542         r->bad_password_count   = pdb_get_bad_password_count(pw);
2543         r->logon_count          = pdb_get_logon_count(pw);
2544
2545         return NT_STATUS_OK;
2546 }
2547
2548 /*************************************************************************
2549  get_user_info_6.
2550  *************************************************************************/
2551
2552 static NTSTATUS get_user_info_6(TALLOC_CTX *mem_ctx,
2553                                 struct samr_UserInfo6 *r,
2554                                 struct samu *pw)
2555 {
2556         r->account_name.string  = talloc_strdup(mem_ctx, pdb_get_username(pw));
2557         r->full_name.string     = talloc_strdup(mem_ctx, pdb_get_fullname(pw));
2558
2559         return NT_STATUS_OK;
2560 }
2561
2562 /*************************************************************************
2563  get_user_info_7. Safe. Only gives out account_name.
2564  *************************************************************************/
2565
2566 static NTSTATUS get_user_info_7(TALLOC_CTX *mem_ctx,
2567                                 struct samr_UserInfo7 *r,
2568                                 struct samu *smbpass)
2569 {
2570         r->account_name.string = talloc_strdup(mem_ctx, pdb_get_username(smbpass));
2571         if (!r->account_name.string) {
2572                 return NT_STATUS_NO_MEMORY;
2573         }
2574
2575         return NT_STATUS_OK;
2576 }
2577
2578 /*************************************************************************
2579  get_user_info_8.
2580  *************************************************************************/
2581
2582 static NTSTATUS get_user_info_8(TALLOC_CTX *mem_ctx,
2583                                 struct samr_UserInfo8 *r,
2584                                 struct samu *pw)
2585 {
2586         r->full_name.string     = talloc_strdup(mem_ctx, pdb_get_fullname(pw));
2587
2588         return NT_STATUS_OK;
2589 }
2590
2591 /*************************************************************************
2592  get_user_info_9. Only gives out primary group SID.
2593  *************************************************************************/
2594
2595 static NTSTATUS get_user_info_9(TALLOC_CTX *mem_ctx,
2596                                 struct samr_UserInfo9 *r,
2597                                 struct samu *smbpass)
2598 {
2599         r->primary_gid = pdb_get_group_rid(smbpass);
2600
2601         return NT_STATUS_OK;
2602 }
2603
2604 /*************************************************************************
2605  get_user_info_10.
2606  *************************************************************************/
2607
2608 static NTSTATUS get_user_info_10(TALLOC_CTX *mem_ctx,
2609                                  struct samr_UserInfo10 *r,
2610                                  struct samu *pw)
2611 {
2612         r->home_directory.string= talloc_strdup(mem_ctx, pdb_get_homedir(pw));
2613         r->home_drive.string    = talloc_strdup(mem_ctx, pdb_get_dir_drive(pw));
2614
2615         return NT_STATUS_OK;
2616 }
2617
2618 /*************************************************************************
2619  get_user_info_11.
2620  *************************************************************************/
2621
2622 static NTSTATUS get_user_info_11(TALLOC_CTX *mem_ctx,
2623                                  struct samr_UserInfo11 *r,
2624                                  struct samu *pw)
2625 {
2626         r->logon_script.string  = talloc_strdup(mem_ctx, pdb_get_logon_script(pw));
2627
2628         return NT_STATUS_OK;
2629 }
2630
2631 /*************************************************************************
2632  get_user_info_12.
2633  *************************************************************************/
2634
2635 static NTSTATUS get_user_info_12(TALLOC_CTX *mem_ctx,
2636                                  struct samr_UserInfo12 *r,
2637                                  struct samu *pw)
2638 {
2639         r->profile_path.string  = talloc_strdup(mem_ctx, pdb_get_profile_path(pw));
2640
2641         return NT_STATUS_OK;
2642 }
2643
2644 /*************************************************************************
2645  get_user_info_13.
2646  *************************************************************************/
2647
2648 static NTSTATUS get_user_info_13(TALLOC_CTX *mem_ctx,
2649                                  struct samr_UserInfo13 *r,
2650                                  struct samu *pw)
2651 {
2652         r->description.string   = talloc_strdup(mem_ctx, pdb_get_acct_desc(pw));
2653
2654         return NT_STATUS_OK;
2655 }
2656
2657 /*************************************************************************
2658  get_user_info_14.
2659  *************************************************************************/
2660
2661 static NTSTATUS get_user_info_14(TALLOC_CTX *mem_ctx,
2662                                  struct samr_UserInfo14 *r,
2663                                  struct samu *pw)
2664 {
2665         r->workstations.string  = talloc_strdup(mem_ctx, pdb_get_workstations(pw));
2666
2667         return NT_STATUS_OK;
2668 }
2669
2670 /*************************************************************************
2671  get_user_info_16. Safe. Only gives out acb bits.
2672  *************************************************************************/
2673
2674 static NTSTATUS get_user_info_16(TALLOC_CTX *mem_ctx,
2675                                  struct samr_UserInfo16 *r,
2676                                  struct samu *smbpass)
2677 {
2678         r->acct_flags = pdb_get_acct_ctrl(smbpass);
2679
2680         return NT_STATUS_OK;
2681 }
2682
2683 /*************************************************************************
2684  get_user_info_17.
2685  *************************************************************************/
2686
2687 static NTSTATUS get_user_info_17(TALLOC_CTX *mem_ctx,
2688                                  struct samr_UserInfo17 *r,
2689                                  struct samu *pw)
2690 {
2691         unix_to_nt_time(&r->acct_expiry, pdb_get_kickoff_time(pw));
2692
2693         return NT_STATUS_OK;
2694 }
2695
2696 /*************************************************************************
2697  get_user_info_18. OK - this is the killer as it gives out password info.
2698  Ensure that this is only allowed on an encrypted connection with a root
2699  user. JRA.
2700  *************************************************************************/
2701
2702 static NTSTATUS get_user_info_18(pipes_struct *p,
2703                                  TALLOC_CTX *mem_ctx,
2704                                  struct samr_UserInfo18 *r,
2705                                  DOM_SID *user_sid)
2706 {
2707         struct samu *smbpass=NULL;
2708         bool ret;
2709
2710         ZERO_STRUCTP(r);
2711
2712         if (p->auth.auth_type != PIPE_AUTH_TYPE_NTLMSSP || p->auth.auth_type != PIPE_AUTH_TYPE_SPNEGO_NTLMSSP) {
2713                 return NT_STATUS_ACCESS_DENIED;
2714         }
2715
2716         if (p->auth.auth_level != PIPE_AUTH_LEVEL_PRIVACY) {
2717                 return NT_STATUS_ACCESS_DENIED;
2718         }
2719
2720         /*
2721          * Do *NOT* do become_root()/unbecome_root() here ! JRA.
2722          */
2723
2724         if ( !(smbpass = samu_new( mem_ctx )) ) {
2725                 return NT_STATUS_NO_MEMORY;
2726         }
2727
2728         ret = pdb_getsampwsid(smbpass, user_sid);
2729
2730         if (ret == False) {
2731                 DEBUG(4, ("User %s not found\n", sid_string_dbg(user_sid)));
2732                 TALLOC_FREE(smbpass);
2733                 return (geteuid() == sec_initial_uid()) ? NT_STATUS_NO_SUCH_USER : NT_STATUS_ACCESS_DENIED;
2734         }
2735
2736         DEBUG(3,("User:[%s] 0x%x\n", pdb_get_username(smbpass), pdb_get_acct_ctrl(smbpass) ));
2737
2738         if ( pdb_get_acct_ctrl(smbpass) & ACB_DISABLED) {
2739                 TALLOC_FREE(smbpass);
2740                 return NT_STATUS_ACCOUNT_DISABLED;
2741         }
2742
2743         r->lm_pwd_active = true;
2744         r->nt_pwd_active = true;
2745         memcpy(r->lm_pwd.hash, pdb_get_lanman_passwd(smbpass), 16);
2746         memcpy(r->nt_pwd.hash, pdb_get_nt_passwd(smbpass), 16);
2747         r->password_expired = 0; /* FIXME */
2748
2749         TALLOC_FREE(smbpass);
2750
2751         return NT_STATUS_OK;
2752 }
2753
2754 /*************************************************************************
2755  get_user_info_20
2756  *************************************************************************/
2757
2758 static NTSTATUS get_user_info_20(TALLOC_CTX *mem_ctx,
2759                                  struct samr_UserInfo20 *r,
2760                                  struct samu *sampass)
2761 {
2762         const char *munged_dial = NULL;
2763         DATA_BLOB blob;
2764         NTSTATUS status;
2765         struct lsa_BinaryString *parameters = NULL;
2766
2767         ZERO_STRUCTP(r);
2768
2769         munged_dial = pdb_get_munged_dial(sampass);
2770
2771         DEBUG(3,("User:[%s] has [%s] (length: %d)\n", pdb_get_username(sampass),
2772                 munged_dial, (int)strlen(munged_dial)));
2773
2774         if (munged_dial) {
2775                 blob = base64_decode_data_blob(munged_dial);
2776         } else {
2777                 blob = data_blob_string_const_null("");
2778         }
2779
2780         status = init_samr_parameters_string(mem_ctx, &blob, &parameters);
2781         data_blob_free(&blob);
2782         if (!NT_STATUS_IS_OK(status)) {
2783                 return status;
2784         }
2785
2786         r->parameters = *parameters;
2787
2788         return NT_STATUS_OK;
2789 }
2790
2791
2792 /*************************************************************************
2793  get_user_info_21
2794  *************************************************************************/
2795
2796 static NTSTATUS get_user_info_21(TALLOC_CTX *mem_ctx,
2797                                  struct samr_UserInfo21 *r,
2798                                  struct samu *pw,
2799                                  DOM_SID *domain_sid)
2800 {
2801         NTSTATUS status;
2802         const DOM_SID *sid_user, *sid_group;
2803         uint32_t rid, primary_gid;
2804         NTTIME force_password_change;
2805         time_t must_change_time;
2806         struct lsa_BinaryString *parameters = NULL;
2807         const char *munged_dial = NULL;
2808         DATA_BLOB blob;
2809
2810         ZERO_STRUCTP(r);
2811
2812         sid_user = pdb_get_user_sid(pw);
2813
2814         if (!sid_peek_check_rid(domain_sid, sid_user, &rid)) {
2815                 DEBUG(0, ("get_user_info_21: User %s has SID %s, \nwhich conflicts with "
2816                           "the domain sid %s.  Failing operation.\n",
2817                           pdb_get_username(pw), sid_string_dbg(sid_user),
2818                           sid_string_dbg(domain_sid)));
2819                 return NT_STATUS_UNSUCCESSFUL;
2820         }
2821
2822         become_root();
2823         sid_group = pdb_get_group_sid(pw);
2824         unbecome_root();
2825
2826         if (!sid_peek_check_rid(domain_sid, sid_group, &primary_gid)) {
2827                 DEBUG(0, ("get_user_info_21: User %s has Primary Group SID %s, \n"
2828                           "which conflicts with the domain sid %s.  Failing operation.\n",
2829                           pdb_get_username(pw), sid_string_dbg(sid_group),
2830                           sid_string_dbg(domain_sid)));
2831                 return NT_STATUS_UNSUCCESSFUL;
2832         }
2833
2834         unix_to_nt_time(&r->last_logon, pdb_get_logon_time(pw));
2835         unix_to_nt_time(&r->last_logoff, pdb_get_logoff_time(pw));
2836         unix_to_nt_time(&r->acct_expiry, pdb_get_kickoff_time(pw));
2837         unix_to_nt_time(&r->last_password_change, pdb_get_pass_last_set_time(pw));
2838         unix_to_nt_time(&r->allow_password_change, pdb_get_pass_can_change_time(pw));
2839
2840         must_change_time = pdb_get_pass_must_change_time(pw);
2841         if (must_change_time == get_time_t_max()) {
2842                 unix_to_nt_time_abs(&force_password_change, must_change_time);
2843         } else {
2844                 unix_to_nt_time(&force_password_change, must_change_time);
2845         }
2846
2847         munged_dial = pdb_get_munged_dial(pw);
2848         if (munged_dial) {
2849                 blob = base64_decode_data_blob(munged_dial);
2850         } else {
2851                 blob = data_blob_string_const_null("");
2852         }
2853
2854         status = init_samr_parameters_string(mem_ctx, &blob, &parameters);
2855         data_blob_free(&blob);
2856         if (!NT_STATUS_IS_OK(status)) {
2857                 return status;
2858         }
2859
2860         r->force_password_change        = force_password_change;
2861
2862         r->account_name.string          = talloc_strdup(mem_ctx, pdb_get_username(pw));
2863         r->full_name.string             = talloc_strdup(mem_ctx, pdb_get_fullname(pw));
2864         r->home_directory.string        = talloc_strdup(mem_ctx, pdb_get_homedir(pw));
2865         r->home_drive.string            = talloc_strdup(mem_ctx, pdb_get_dir_drive(pw));
2866         r->logon_script.string          = talloc_strdup(mem_ctx, pdb_get_logon_script(pw));
2867         r->profile_path.string          = talloc_strdup(mem_ctx, pdb_get_profile_path(pw));
2868         r->description.string           = talloc_strdup(mem_ctx, pdb_get_acct_desc(pw));
2869         r->workstations.string          = talloc_strdup(mem_ctx, pdb_get_workstations(pw));
2870         r->comment.string               = talloc_strdup(mem_ctx, pdb_get_comment(pw));
2871
2872         r->logon_hours                  = get_logon_hours_from_pdb(mem_ctx, pw);
2873         r->parameters                   = *parameters;
2874         r->rid                          = rid;
2875         r->primary_gid                  = primary_gid;
2876         r->acct_flags                   = pdb_get_acct_ctrl(pw);
2877         r->bad_password_count           = pdb_get_bad_password_count(pw);
2878         r->logon_count                  = pdb_get_logon_count(pw);
2879         r->fields_present               = pdb_build_fields_present(pw);
2880         r->password_expired             = (pdb_get_pass_must_change_time(pw) == 0) ?
2881                                                 PASS_MUST_CHANGE_AT_NEXT_LOGON : 0;
2882         r->country_code                 = 0;
2883         r->code_page                    = 0;
2884         r->lm_password_set              = 0;
2885         r->nt_password_set              = 0;
2886
2887 #if 0
2888
2889         /*
2890           Look at a user on a real NT4 PDC with usrmgr, press
2891           'ok'. Then you will see that fields_present is set to
2892           0x08f827fa. Look at the user immediately after that again,
2893           and you will see that 0x00fffff is returned. This solves
2894           the problem that you get access denied after having looked
2895           at the user.
2896           -- Volker
2897         */
2898
2899 #endif
2900
2901
2902         return NT_STATUS_OK;
2903 }
2904
2905 /*******************************************************************
2906  _samr_QueryUserInfo
2907  ********************************************************************/
2908
2909 NTSTATUS _samr_QueryUserInfo(pipes_struct *p,
2910                              struct samr_QueryUserInfo *r)
2911 {
2912         NTSTATUS status;
2913         union samr_UserInfo *user_info = NULL;
2914         struct samr_user_info *uinfo;
2915         DOM_SID domain_sid;
2916         uint32 rid;
2917         bool ret = false;
2918         struct samu *pwd = NULL;
2919
2920         uinfo = policy_handle_find(p, r->in.user_handle,
2921                                    SAMR_USER_ACCESS_GET_ATTRIBUTES, NULL,
2922                                    struct samr_user_info, &status);
2923         if (!NT_STATUS_IS_OK(status)) {
2924                 return status;
2925         }
2926
2927         domain_sid = uinfo->sid;
2928
2929         sid_split_rid(&domain_sid, &rid);
2930
2931         if (!sid_check_is_in_our_domain(&uinfo->sid))
2932                 return NT_STATUS_OBJECT_TYPE_MISMATCH;
2933
2934         DEBUG(5,("_samr_QueryUserInfo: sid:%s\n",
2935                  sid_string_dbg(&uinfo->sid)));
2936
2937         user_info = TALLOC_ZERO_P(p->mem_ctx, union samr_UserInfo);
2938         if (!user_info) {
2939                 return NT_STATUS_NO_MEMORY;
2940         }
2941
2942         DEBUG(5,("_samr_QueryUserInfo: user info level: %d\n", r->in.level));
2943
2944         if (!(pwd = samu_new(p->mem_ctx))) {
2945                 return NT_STATUS_NO_MEMORY;
2946         }
2947
2948         become_root();
2949         ret = pdb_getsampwsid(pwd, &uinfo->sid);
2950         unbecome_root();
2951
2952         if (ret == false) {
2953                 DEBUG(4,("User %s not found\n", sid_string_dbg(&uinfo->sid)));
2954                 TALLOC_FREE(pwd);
2955                 return NT_STATUS_NO_SUCH_USER;
2956         }
2957
2958         DEBUG(3,("User:[%s]\n", pdb_get_username(pwd)));
2959
2960         samr_clear_sam_passwd(pwd);
2961
2962         switch (r->in.level) {
2963         case 1:
2964                 status = get_user_info_1(p->mem_ctx, &user_info->info1, pwd, &domain_sid);
2965                 break;
2966         case 2:
2967                 status = get_user_info_2(p->mem_ctx, &user_info->info2, pwd);
2968                 break;
2969         case 3:
2970                 status = get_user_info_3(p->mem_ctx, &user_info->info3, pwd, &domain_sid);
2971                 break;
2972         case 4:
2973                 status = get_user_info_4(p->mem_ctx, &user_info->info4, pwd);
2974                 break;
2975         case 5:
2976                 status = get_user_info_5(p->mem_ctx, &user_info->info5, pwd, &domain_sid);
2977                 break;
2978         case 6:
2979                 status = get_user_info_6(p->mem_ctx, &user_info->info6, pwd);
2980                 break;
2981         case 7:
2982                 status = get_user_info_7(p->mem_ctx, &user_info->info7, pwd);
2983                 break;
2984         case 8:
2985                 status = get_user_info_8(p->mem_ctx, &user_info->info8, pwd);
2986                 break;
2987         case 9:
2988                 status = get_user_info_9(p->mem_ctx, &user_info->info9, pwd);
2989                 break;
2990         case 10:
2991                 status = get_user_info_10(p->mem_ctx, &user_info->info10, pwd);
2992                 break;
2993         case 11:
2994                 status = get_user_info_11(p->mem_ctx, &user_info->info11, pwd);
2995                 break;
2996         case 12:
2997                 status = get_user_info_12(p->mem_ctx, &user_info->info12, pwd);
2998                 break;
2999         case 13:
3000                 status = get_user_info_13(p->mem_ctx, &user_info->info13, pwd);
3001                 break;
3002         case 14:
3003                 status = get_user_info_14(p->mem_ctx, &user_info->info14, pwd);
3004                 break;
3005         case 16:
3006                 status = get_user_info_16(p->mem_ctx, &user_info->info16, pwd);
3007                 break;
3008         case 17:
3009                 status = get_user_info_17(p->mem_ctx, &user_info->info17, pwd);
3010                 break;
3011         case 18:
3012                 /* level 18 is special */
3013                 status = get_user_info_18(p, p->mem_ctx, &user_info->info18,
3014                                           &uinfo->sid);
3015                 break;
3016         case 20:
3017                 status = get_user_info_20(p->mem_ctx, &user_info->info20, pwd);
3018                 break;
3019         case 21:
3020                 status = get_user_info_21(p->mem_ctx, &user_info->info21, pwd, &domain_sid);
3021                 break;
3022         default:
3023                 status = NT_STATUS_INVALID_INFO_CLASS;
3024                 break;
3025         }
3026
3027         TALLOC_FREE(pwd);
3028
3029         *r->out.info = user_info;
3030
3031         DEBUG(5,("_samr_QueryUserInfo: %d\n", __LINE__));
3032
3033         return status;
3034 }
3035
3036 /****************************************************************
3037 ****************************************************************/
3038
3039 NTSTATUS _samr_QueryUserInfo2(pipes_struct *p,
3040                               struct samr_QueryUserInfo2 *r)
3041 {
3042         struct samr_QueryUserInfo u;
3043
3044         u.in.user_handle        = r->in.user_handle;
3045         u.in.level              = r->in.level;
3046         u.out.info              = r->out.info;
3047
3048         return _samr_QueryUserInfo(p, &u);
3049 }
3050
3051 /*******************************************************************
3052  _samr_GetGroupsForUser
3053  ********************************************************************/
3054
3055 NTSTATUS _samr_GetGroupsForUser(pipes_struct *p,
3056                                 struct samr_GetGroupsForUser *r)
3057 {
3058         struct samr_user_info *uinfo;
3059         struct samu *sam_pass=NULL;
3060         DOM_SID *sids;
3061         struct samr_RidWithAttribute dom_gid;
3062         struct samr_RidWithAttribute *gids = NULL;
3063         uint32 primary_group_rid;
3064         size_t num_groups = 0;
3065         gid_t *unix_gids;
3066         size_t i, num_gids;
3067         bool ret;
3068         NTSTATUS result;
3069         bool success = False;
3070
3071         struct samr_RidWithAttributeArray *rids = NULL;
3072
3073         /*
3074          * from the SID in the request:
3075          * we should send back the list of DOMAIN GROUPS
3076          * the user is a member of
3077          *
3078          * and only the DOMAIN GROUPS
3079          * no ALIASES !!! neither aliases of the domain
3080          * nor aliases of the builtin SID
3081          *
3082          * JFM, 12/2/2001
3083          */
3084
3085         DEBUG(5,("_samr_GetGroupsForUser: %d\n", __LINE__));
3086
3087         uinfo = policy_handle_find(p, r->in.user_handle,
3088                                    SAMR_USER_ACCESS_GET_GROUPS, NULL,
3089                                    struct samr_user_info, &result);
3090         if (!NT_STATUS_IS_OK(result)) {
3091                 return result;
3092         }
3093
3094         rids = TALLOC_ZERO_P(p->mem_ctx, struct samr_RidWithAttributeArray);
3095         if (!rids) {
3096                 return NT_STATUS_NO_MEMORY;
3097         }
3098
3099         if (!sid_check_is_in_our_domain(&uinfo->sid))
3100                 return NT_STATUS_OBJECT_TYPE_MISMATCH;
3101
3102         if ( !(sam_pass = samu_new( p->mem_ctx )) ) {
3103                 return NT_STATUS_NO_MEMORY;
3104         }
3105
3106         become_root();
3107         ret = pdb_getsampwsid(sam_pass, &uinfo->sid);
3108         unbecome_root();
3109
3110         if (!ret) {
3111                 DEBUG(10, ("pdb_getsampwsid failed for %s\n",
3112                            sid_string_dbg(&uinfo->sid)));
3113                 return NT_STATUS_NO_SUCH_USER;
3114         }
3115
3116         sids = NULL;
3117
3118         /* make both calls inside the root block */
3119         become_root();
3120         result = pdb_enum_group_memberships(p->mem_ctx, sam_pass,
3121                                             &sids, &unix_gids, &num_groups);
3122         if ( NT_STATUS_IS_OK(result) ) {
3123                 success = sid_peek_check_rid(get_global_sam_sid(),
3124                                              pdb_get_group_sid(sam_pass),
3125                                              &primary_group_rid);
3126         }
3127         unbecome_root();
3128
3129         if (!NT_STATUS_IS_OK(result)) {
3130                 DEBUG(10, ("pdb_enum_group_memberships failed for %s\n",
3131                            sid_string_dbg(&uinfo->sid)));
3132                 return result;
3133         }
3134
3135         if ( !success ) {
3136                 DEBUG(5, ("Group sid %s for user %s not in our domain\n",
3137                           sid_string_dbg(pdb_get_group_sid(sam_pass)),
3138                           pdb_get_username(sam_pass)));
3139                 TALLOC_FREE(sam_pass);
3140                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
3141         }
3142
3143         gids = NULL;
3144         num_gids = 0;
3145
3146         dom_gid.attributes = (SE_GROUP_MANDATORY|SE_GROUP_ENABLED_BY_DEFAULT|
3147                               SE_GROUP_ENABLED);
3148         dom_gid.rid = primary_group_rid;
3149         ADD_TO_ARRAY(p->mem_ctx, struct samr_RidWithAttribute, dom_gid, &gids, &num_gids);
3150
3151         for (i=0; i<num_groups; i++) {
3152
3153                 if (!sid_peek_check_rid(get_global_sam_sid(),
3154                                         &(sids[i]), &dom_gid.rid)) {
3155                         DEBUG(10, ("Found sid %s not in our domain\n",
3156                                    sid_string_dbg(&sids[i])));
3157                         continue;
3158                 }
3159
3160                 if (dom_gid.rid == primary_group_rid) {
3161                         /* We added the primary group directly from the
3162                          * sam_account. The other SIDs are unique from
3163                          * enum_group_memberships */
3164                         continue;
3165                 }
3166
3167                 ADD_TO_ARRAY(p->mem_ctx, struct samr_RidWithAttribute, dom_gid, &gids, &num_gids);
3168         }
3169
3170         rids->count = num_gids;
3171         rids->rids = gids;
3172
3173         *r->out.rids = rids;
3174
3175         DEBUG(5,("_samr_GetGroupsForUser: %d\n", __LINE__));
3176
3177         return result;
3178 }
3179
3180 /*******************************************************************
3181  _samr_QueryDomainInfo
3182  ********************************************************************/
3183
3184 NTSTATUS _samr_QueryDomainInfo(pipes_struct *p,
3185                                struct samr_QueryDomainInfo *r)
3186 {
3187         NTSTATUS status = NT_STATUS_OK;
3188         struct samr_domain_info *dinfo;
3189         union samr_DomainInfo *dom_info;
3190         time_t u_expire, u_min_age;
3191
3192         time_t u_lock_duration, u_reset_time;
3193         uint32_t u_logout;
3194
3195         uint32 account_policy_temp;
3196
3197         time_t seq_num;
3198         uint32 server_role;
3199
3200         DEBUG(5,("_samr_QueryDomainInfo: %d\n", __LINE__));
3201
3202         dinfo = policy_handle_find(p, r->in.domain_handle,
3203                                    SAMR_ACCESS_LOOKUP_DOMAIN, NULL,
3204                                    struct samr_domain_info, &status);
3205         if (!NT_STATUS_IS_OK(status)) {
3206                 return status;
3207         }
3208
3209         dom_info = TALLOC_ZERO_P(p->mem_ctx, union samr_DomainInfo);
3210         if (!dom_info) {
3211                 return NT_STATUS_NO_MEMORY;
3212         }
3213
3214         switch (r->in.level) {
3215                 case 0x01:
3216
3217                         become_root();
3218
3219                         /* AS ROOT !!! */
3220
3221                         pdb_get_account_policy(AP_MIN_PASSWORD_LEN,
3222                                                &account_policy_temp);
3223                         dom_info->info1.min_password_length = account_policy_temp;
3224
3225            &