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 && user_has_any_privilege( token, rights ) ) {
 189
 190                 saved_mask = (des_access & rights_mask);
 191                 des_access &= ~saved_mask;
 192
 193                 DEBUG(4,("access_check_samr_object: user rights access mask [0x%x]\n",
 194                         rights_mask));
 195         }
 196
 197
 198         /* check the security descriptor first */
 199
 200         status = se_access_check(psd, token, des_access, acc_granted);
 201         if (NT_STATUS_IS_OK(status)) {
 202                 goto done;
 203         }
 204
 205         /* give root a free pass */
 206
 207         if ( geteuid() == sec_initial_uid() ) {
 208
 209                 DEBUG(4,("%s: ACCESS should be DENIED  (requested: %#010x)\n", debug, des_access));
 210                 DEBUGADD(4,("but overritten by euid == sec_initial_uid()\n"));
 211
 212                 *acc_granted = des_access;
 213
 214                 status = NT_STATUS_OK;
 215                 goto done;
 216         }
 217
 218
 219 done:
 220         /* add in any bits saved during the privilege check (only
 221            matters is status is ok) */
 222
 223         *acc_granted |= rights_mask;
 224
 225         DEBUG(4,("%s: access %s (requested: 0x%08x, granted: 0x%08x)\n",
 226                 debug, NT_STATUS_IS_OK(status) ? "GRANTED" : "DENIED",
 227                 des_access, *acc_granted));
 228
 229         return status;
 230 }
 231
 232
 233 /*******************************************************************
 234  Map any MAXIMUM_ALLOWED_ACCESS request to a valid access set.
 235 ********************************************************************/
 236
 237 static void map_max_allowed_access(const NT_USER_TOKEN *token,
 238                                         uint32_t *pacc_requested)
 239 {
 240         if (!((*pacc_requested) & MAXIMUM_ALLOWED_ACCESS)) {
 241                 return;
 242         }
 243         *pacc_requested &= ~MAXIMUM_ALLOWED_ACCESS;
 244
 245         /* At least try for generic read. */
 246         *pacc_requested = GENERIC_READ_ACCESS;
 247
 248         /* root gets anything. */
 249         if (geteuid() == sec_initial_uid()) {
 250                 *pacc_requested |= GENERIC_ALL_ACCESS;
 251                 return;
 252         }
 253
 254         /* Full Access for 'BUILTIN\Administrators' and 'BUILTIN\Account Operators */
 255
 256         if (is_sid_in_token(token, &global_sid_Builtin_Administrators) ||
 257                         is_sid_in_token(token, &global_sid_Builtin_Account_Operators)) {
 258                 *pacc_requested |= GENERIC_ALL_ACCESS;
 259                 return;
 260         }
 261
 262         /* Full access for DOMAIN\Domain Admins. */
 263         if ( IS_DC ) {
 264                 DOM_SID domadmin_sid;
 265                 sid_copy( &domadmin_sid, get_global_sam_sid() );
 266                 sid_append_rid( &domadmin_sid, DOMAIN_GROUP_RID_ADMINS );
 267                 if (is_sid_in_token(token, &domadmin_sid)) {
 268                         *pacc_requested |= GENERIC_ALL_ACCESS;
 269                         return;
 270                 }
 271         }
 272         /* TODO ! Check privileges. */
 273 }
 274
 275 /*******************************************************************
 276  Fetch or create a dispinfo struct.
 277 ********************************************************************/
 278
 279 static DISP_INFO *get_samr_dispinfo_by_sid(const struct dom_sid *psid)
 280 {
 281         /*
 282          * We do a static cache for DISP_INFO's here. Explanation can be found
 283          * in Jeremy's checkin message to r11793:
 284          *
 285          * Fix the SAMR cache so it works across completely insane
 286          * client behaviour (ie.:
 287          * open pipe/open SAMR handle/enumerate 0 - 1024
 288          * close SAMR handle, close pipe.
 289          * open pipe/open SAMR handle/enumerate 1024 - 2048...
 290          * close SAMR handle, close pipe.
 291          * And on ad-nausium. Amazing.... probably object-oriented
 292          * client side programming in action yet again.
 293          * This change should *massively* improve performance when
 294          * enumerating users from an LDAP database.
 295          * Jeremy.
 296          *
 297          * "Our" and the builtin domain are the only ones where we ever
 298          * enumerate stuff, so just cache 2 entries.
 299          */
 300
 301         static struct disp_info *builtin_dispinfo;
 302         static struct disp_info *domain_dispinfo;
 303
 304         /* There are two cases to consider here:
 305            1) The SID is a domain SID and we look for an equality match, or
 306            2) This is an account SID and so we return the DISP_INFO* for our
 307               domain */
 308
 309         if (psid == NULL) {
 310                 return NULL;
 311         }
 312
 313         if (sid_check_is_builtin(psid) || sid_check_is_in_builtin(psid)) {
 314                 /*
 315                  * Necessary only once, but it does not really hurt.
 316                  */
 317                 if (builtin_dispinfo == NULL) {
 318                         builtin_dispinfo = talloc_zero(
 319                                 talloc_autofree_context(), struct disp_info);
 320                         if (builtin_dispinfo == NULL) {
 321                                 return NULL;
 322                         }
 323                 }
 324                 sid_copy(&builtin_dispinfo->sid, &global_sid_Builtin);
 325
 326                 return builtin_dispinfo;
 327         }
 328
 329         if (sid_check_is_domain(psid) || sid_check_is_in_our_domain(psid)) {
 330                 /*
 331                  * Necessary only once, but it does not really hurt.
 332                  */
 333                 if (domain_dispinfo == NULL) {
 334                         domain_dispinfo = talloc_zero(
 335                                 talloc_autofree_context(), struct disp_info);
 336                         if (domain_dispinfo == NULL) {
 337                                 return NULL;
 338                         }
 339                 }
 340                 sid_copy(&domain_dispinfo->sid, get_global_sam_sid());
 341
 342                 return domain_dispinfo;
 343         }
 344
 345         return NULL;
 346 }
 347
 348 /*******************************************************************
 349  Function to free the per SID data.
 350  ********************************************************************/
 351
 352 static void free_samr_cache(DISP_INFO *disp_info)
 353 {
 354         DEBUG(10, ("free_samr_cache: deleting cache for SID %s\n",
 355                    sid_string_dbg(&disp_info->sid)));
 356
 357         /* We need to become root here because the paged search might have to
 358          * tell the LDAP server we're not interested in the rest anymore. */
 359
 360         become_root();
 361
 362         TALLOC_FREE(disp_info->users);
 363         TALLOC_FREE(disp_info->machines);
 364         TALLOC_FREE(disp_info->groups);
 365         TALLOC_FREE(disp_info->aliases);
 366         TALLOC_FREE(disp_info->enum_users);
 367
 368         unbecome_root();
 369 }
 370
 371 /*******************************************************************
 372  Idle event handler. Throw away the disp info cache.
 373  ********************************************************************/
 374
 375 static void disp_info_cache_idle_timeout_handler(struct event_context *ev_ctx,
 376                                                  struct timed_event *te,
 377                                                  struct timeval now,
 378                                                  void *private_data)
 379 {
 380         DISP_INFO *disp_info = (DISP_INFO *)private_data;
 381
 382         TALLOC_FREE(disp_info->cache_timeout_event);
 383
 384         DEBUG(10, ("disp_info_cache_idle_timeout_handler: caching timed "
 385                    "out\n"));
 386         free_samr_cache(disp_info);
 387 }
 388
 389 /*******************************************************************
 390  Setup cache removal idle event handler.
 391  ********************************************************************/
 392
 393 static void set_disp_info_cache_timeout(DISP_INFO *disp_info, time_t secs_fromnow)
 394 {
 395         /* Remove any pending timeout and update. */
 396
 397         TALLOC_FREE(disp_info->cache_timeout_event);
 398
 399         DEBUG(10,("set_disp_info_cache_timeout: caching enumeration for "
 400                   "SID %s for %u seconds\n", sid_string_dbg(&disp_info->sid),
 401                   (unsigned int)secs_fromnow ));
 402
 403         disp_info->cache_timeout_event = event_add_timed(
 404                 smbd_event_context(), NULL,
 405                 timeval_current_ofs(secs_fromnow, 0),
 406                 disp_info_cache_idle_timeout_handler, (void *)disp_info);
 407 }
 408
 409 /*******************************************************************
 410  Force flush any cache. We do this on any samr_set_xxx call.
 411  We must also remove the timeout handler.
 412  ********************************************************************/
 413
 414 static void force_flush_samr_cache(const struct dom_sid *sid)
 415 {
 416         struct disp_info *disp_info = get_samr_dispinfo_by_sid(sid);
 417
 418         if ((disp_info == NULL) || (disp_info->cache_timeout_event == NULL)) {
 419                 return;
 420         }
 421
 422         DEBUG(10,("force_flush_samr_cache: clearing idle event\n"));
 423         TALLOC_FREE(disp_info->cache_timeout_event);
 424         free_samr_cache(disp_info);
 425 }
 426
 427 /*******************************************************************
 428  Ensure password info is never given out. Paranioa... JRA.
 429  ********************************************************************/
 430
 431 static void samr_clear_sam_passwd(struct samu *sam_pass)
 432 {
 433
 434         if (!sam_pass)
 435                 return;
 436
 437         /* These now zero out the old password */
 438
 439         pdb_set_lanman_passwd(sam_pass, NULL, PDB_DEFAULT);
 440         pdb_set_nt_passwd(sam_pass, NULL, PDB_DEFAULT);
 441 }
 442
 443 static uint32 count_sam_users(struct disp_info *info, uint32 acct_flags)
 444 {
 445         struct samr_displayentry *entry;
 446
 447         if (sid_check_is_builtin(&info->sid)) {
 448                 /* No users in builtin. */
 449                 return 0;
 450         }
 451
 452         if (info->users == NULL) {
 453                 info->users = pdb_search_users(info, acct_flags);
 454                 if (info->users == NULL) {
 455                         return 0;
 456                 }
 457         }
 458         /* Fetch the last possible entry, thus trigger an enumeration */
 459         pdb_search_entries(info->users, 0xffffffff, 1, &entry);
 460
 461         /* Ensure we cache this enumeration. */
 462         set_disp_info_cache_timeout(info, DISP_INFO_CACHE_TIMEOUT);
 463
 464         return info->users->num_entries;
 465 }
 466
 467 static uint32 count_sam_groups(struct disp_info *info)
 468 {
 469         struct samr_displayentry *entry;
 470
 471         if (sid_check_is_builtin(&info->sid)) {
 472                 /* No groups in builtin. */
 473                 return 0;
 474         }
 475
 476         if (info->groups == NULL) {
 477                 info->groups = pdb_search_groups(info);
 478                 if (info->groups == NULL) {
 479                         return 0;
 480                 }
 481         }
 482         /* Fetch the last possible entry, thus trigger an enumeration */
 483         pdb_search_entries(info->groups, 0xffffffff, 1, &entry);
 484
 485         /* Ensure we cache this enumeration. */
 486         set_disp_info_cache_timeout(info, DISP_INFO_CACHE_TIMEOUT);
 487
 488         return info->groups->num_entries;
 489 }
 490
 491 static uint32 count_sam_aliases(struct disp_info *info)
 492 {
 493         struct samr_displayentry *entry;
 494
 495         if (info->aliases == NULL) {
 496                 info->aliases = pdb_search_aliases(info, &info->sid);
 497                 if (info->aliases == NULL) {
 498                         return 0;
 499                 }
 500         }
 501         /* Fetch the last possible entry, thus trigger an enumeration */
 502         pdb_search_entries(info->aliases, 0xffffffff, 1, &entry);
 503
 504         /* Ensure we cache this enumeration. */
 505         set_disp_info_cache_timeout(info, DISP_INFO_CACHE_TIMEOUT);
 506
 507         return info->aliases->num_entries;
 508 }
 509
 510 /*******************************************************************
 511  _samr_Close
 512  ********************************************************************/
 513
 514 NTSTATUS _samr_Close(pipes_struct *p, struct samr_Close *r)
 515 {
 516         if (!close_policy_hnd(p, r->in.handle)) {
 517                 return NT_STATUS_INVALID_HANDLE;
 518         }
 519
 520         ZERO_STRUCTP(r->out.handle);
 521
 522         return NT_STATUS_OK;
 523 }
 524
 525 /*******************************************************************
 526  _samr_OpenDomain
 527  ********************************************************************/
 528
 529 NTSTATUS _samr_OpenDomain(pipes_struct *p,
 530                           struct samr_OpenDomain *r)
 531 {
 532         struct samr_connect_info *cinfo;
 533         struct samr_domain_info *dinfo;
 534         SEC_DESC *psd = NULL;
 535         uint32    acc_granted;
 536         uint32    des_access = r->in.access_mask;
 537         NTSTATUS  status;
 538         size_t    sd_size;
 539         SE_PRIV se_rights;
 540
 541         /* find the connection policy handle. */
 542
 543         cinfo = policy_handle_find(p, r->in.connect_handle, 0, NULL,
 544                                    struct samr_connect_info, &status);
 545         if (!NT_STATUS_IS_OK(status)) {
 546                 return status;
 547         }
 548
 549         /*check if access can be granted as requested by client. */
 550         map_max_allowed_access(p->server_info->ptok, &des_access);
 551
 552         make_samr_object_sd( p->mem_ctx, &psd, &sd_size, &dom_generic_mapping, NULL, 0 );
 553         se_map_generic( &des_access, &dom_generic_mapping );
 554
 555         se_priv_copy( &se_rights, &se_machine_account );
 556         se_priv_add( &se_rights, &se_add_users );
 557
 558         status = access_check_samr_object( psd, p->server_info->ptok,
 559                 &se_rights, GENERIC_RIGHTS_DOMAIN_WRITE, des_access,
 560                 &acc_granted, "_samr_OpenDomain" );
 561
 562         if ( !NT_STATUS_IS_OK(status) )
 563                 return status;
 564
 565         if (!sid_check_is_domain(r->in.sid) &&
 566             !sid_check_is_builtin(r->in.sid)) {
 567                 return NT_STATUS_NO_SUCH_DOMAIN;
 568         }
 569
 570         dinfo = policy_handle_create(p, r->out.domain_handle, acc_granted,
 571                                      struct samr_domain_info, &status);
 572         if (!NT_STATUS_IS_OK(status)) {
 573                 return status;
 574         }
 575         dinfo->sid = *r->in.sid;
 576         dinfo->disp_info = get_samr_dispinfo_by_sid(r->in.sid);
 577
 578         DEBUG(5,("_samr_OpenDomain: %d\n", __LINE__));
 579
 580         return NT_STATUS_OK;
 581 }
 582
 583 /*******************************************************************
 584  _samr_GetUserPwInfo
 585  ********************************************************************/
 586
 587 NTSTATUS _samr_GetUserPwInfo(pipes_struct *p,
 588                              struct samr_GetUserPwInfo *r)
 589 {
 590         struct samr_user_info *uinfo;
 591         enum lsa_SidType sid_type;
 592         uint32_t min_password_length = 0;
 593         uint32_t password_properties = 0;
 594         bool ret = false;
 595         NTSTATUS status;
 596
 597         DEBUG(5,("_samr_GetUserPwInfo: %d\n", __LINE__));
 598
 599         uinfo = policy_handle_find(p, r->in.user_handle,
 600                                    SAMR_USER_ACCESS_GET_ATTRIBUTES, NULL,
 601                                    struct samr_user_info, &status);
 602         if (!NT_STATUS_IS_OK(status)) {
 603                 return status;
 604         }
 605
 606         if (!sid_check_is_in_our_domain(&uinfo->sid)) {
 607                 return NT_STATUS_OBJECT_TYPE_MISMATCH;
 608         }
 609
 610         become_root();
 611         ret = lookup_sid(p->mem_ctx, &uinfo->sid, NULL, NULL, &sid_type);
 612         unbecome_root();
 613         if (ret == false) {
 614                 return NT_STATUS_NO_SUCH_USER;
 615         }
 616
 617         switch (sid_type) {
 618                 case SID_NAME_USER:
 619                         become_root();
 620                         pdb_get_account_policy(AP_MIN_PASSWORD_LEN,
 621                                                &min_password_length);
 622                         pdb_get_account_policy(AP_USER_MUST_LOGON_TO_CHG_PASS,
 623                                                &password_properties);
 624                         unbecome_root();
 625
 626                         if (lp_check_password_script() && *lp_check_password_script()) {
 627                                 password_properties |= DOMAIN_PASSWORD_COMPLEX;
 628                         }
 629
 630                         break;
 631                 default:
 632                         break;
 633         }
 634
 635         r->out.info->min_password_length = min_password_length;
 636         r->out.info->password_properties = password_properties;
 637
 638         DEBUG(5,("_samr_GetUserPwInfo: %d\n", __LINE__));
 639
 640         return NT_STATUS_OK;
 641 }
 642
 643 /*******************************************************************
 644  _samr_SetSecurity
 645  ********************************************************************/
 646
 647 NTSTATUS _samr_SetSecurity(pipes_struct *p,
 648                            struct samr_SetSecurity *r)
 649 {
 650         struct samr_user_info *uinfo;
 651         uint32 i;
 652         SEC_ACL *dacl;
 653         bool ret;
 654         struct samu *sampass=NULL;
 655         NTSTATUS status;
 656
 657         uinfo = policy_handle_find(p, r->in.handle,
 658                                    SAMR_USER_ACCESS_SET_ATTRIBUTES, NULL,
 659                                    struct samr_user_info, &status);
 660         if (!NT_STATUS_IS_OK(status)) {
 661                 return status;
 662         }
 663
 664         if (!(sampass = samu_new( p->mem_ctx))) {
 665                 DEBUG(0,("No memory!\n"));
 666                 return NT_STATUS_NO_MEMORY;
 667         }
 668
 669         /* get the user record */
 670         become_root();
 671         ret = pdb_getsampwsid(sampass, &uinfo->sid);
 672         unbecome_root();
 673
 674         if (!ret) {
 675                 DEBUG(4, ("User %s not found\n",
 676                           sid_string_dbg(&uinfo->sid)));
 677                 TALLOC_FREE(sampass);
 678                 return NT_STATUS_INVALID_HANDLE;
 679         }
 680
 681         dacl = r->in.sdbuf->sd->dacl;
 682         for (i=0; i < dacl->num_aces; i++) {
 683                 if (sid_equal(&uinfo->sid, &dacl->aces[i].trustee)) {
 684                         ret = pdb_set_pass_can_change(sampass,
 685                                 (dacl->aces[i].access_mask &
 686                                  SAMR_USER_ACCESS_CHANGE_PASSWORD) ?
 687                                                       True: False);
 688                         break;
 689                 }
 690         }
 691
 692         if (!ret) {
 693                 TALLOC_FREE(sampass);
 694                 return NT_STATUS_ACCESS_DENIED;
 695         }
 696
 697         become_root();
 698         status = pdb_update_sam_account(sampass);
 699         unbecome_root();
 700
 701         TALLOC_FREE(sampass);
 702
 703         return status;
 704 }
 705
 706 /*******************************************************************
 707   build correct perms based on policies and password times for _samr_query_sec_obj
 708 *******************************************************************/
 709 static bool check_change_pw_access(TALLOC_CTX *mem_ctx, DOM_SID *user_sid)
 710 {
 711         struct samu *sampass=NULL;
 712         bool ret;
 713
 714         if ( !(sampass = samu_new( mem_ctx )) ) {
 715                 DEBUG(0,("No memory!\n"));
 716                 return False;
 717         }
 718
 719         become_root();
 720         ret = pdb_getsampwsid(sampass, user_sid);
 721         unbecome_root();
 722
 723         if (ret == False) {
 724                 DEBUG(4,("User %s not found\n", sid_string_dbg(user_sid)));
 725                 TALLOC_FREE(sampass);
 726                 return False;
 727         }
 728
 729         DEBUG(3,("User:[%s]\n",  pdb_get_username(sampass) ));
 730
 731         if (pdb_get_pass_can_change(sampass)) {
 732                 TALLOC_FREE(sampass);
 733                 return True;
 734         }
 735         TALLOC_FREE(sampass);
 736         return False;
 737 }
 738
 739
 740 /*******************************************************************
 741  _samr_QuerySecurity
 742  ********************************************************************/
 743
 744 NTSTATUS _samr_QuerySecurity(pipes_struct *p,
 745                              struct samr_QuerySecurity *r)
 746 {
 747         struct samr_connect_info *cinfo;
 748         struct samr_domain_info *dinfo;
 749         struct samr_user_info *uinfo;
 750         struct samr_group_info *ginfo;
 751         struct samr_alias_info *ainfo;
 752         NTSTATUS status;
 753         SEC_DESC * psd = NULL;
 754         size_t sd_size;
 755
 756         cinfo = policy_handle_find(p, r->in.handle,
 757                                    STD_RIGHT_READ_CONTROL_ACCESS, NULL,
 758                                    struct samr_connect_info, &status);
 759         if (NT_STATUS_IS_OK(status)) {
 760                 DEBUG(5,("_samr_QuerySecurity: querying security on SAM\n"));
 761                 status = make_samr_object_sd(p->mem_ctx, &psd, &sd_size,
 762                                              &sam_generic_mapping, NULL, 0);
 763                 goto done;
 764         }
 765
 766         dinfo = policy_handle_find(p, r->in.handle,
 767                                    STD_RIGHT_READ_CONTROL_ACCESS, NULL,
 768                                    struct samr_domain_info, &status);
 769         if (NT_STATUS_IS_OK(status)) {
 770                 DEBUG(5,("_samr_QuerySecurity: querying security on Domain "
 771                          "with SID: %s\n", sid_string_dbg(&dinfo->sid)));
 772                 /*
 773                  * TODO: Builtin probably needs a different SD with restricted
 774                  * write access
 775                  */
 776                 status = make_samr_object_sd(p->mem_ctx, &psd, &sd_size,
 777                                              &dom_generic_mapping, NULL, 0);
 778                 goto done;
 779         }
 780
 781         uinfo = policy_handle_find(p, r->in.handle,
 782                                    STD_RIGHT_READ_CONTROL_ACCESS, NULL,
 783                                    struct samr_user_info, &status);
 784         if (NT_STATUS_IS_OK(status)) {
 785                 DEBUG(10,("_samr_QuerySecurity: querying security on user "
 786                           "Object with SID: %s\n",
 787                           sid_string_dbg(&uinfo->sid)));
 788                 if (check_change_pw_access(p->mem_ctx, &uinfo->sid)) {
 789                         status = make_samr_object_sd(
 790                                 p->mem_ctx, &psd, &sd_size,
 791                                 &usr_generic_mapping,
 792                                 &uinfo->sid, SAMR_USR_RIGHTS_WRITE_PW);
 793                 } else {
 794                         status = make_samr_object_sd(
 795                                 p->mem_ctx, &psd, &sd_size,
 796                                 &usr_nopwchange_generic_mapping,
 797                                 &uinfo->sid, SAMR_USR_RIGHTS_CANT_WRITE_PW);
 798                 }
 799                 goto done;
 800         }
 801
 802         ginfo = policy_handle_find(p, r->in.handle,
 803                                    STD_RIGHT_READ_CONTROL_ACCESS, NULL,
 804                                    struct samr_group_info, &status);
 805         if (NT_STATUS_IS_OK(status)) {
 806                 /*
 807                  * TODO: different SDs have to be generated for aliases groups
 808                  * and users.  Currently all three get a default user SD
 809                  */
 810                 DEBUG(10,("_samr_QuerySecurity: querying security on group "
 811                           "Object with SID: %s\n",
 812                           sid_string_dbg(&ginfo->sid)));
 813                 status = make_samr_object_sd(
 814                         p->mem_ctx, &psd, &sd_size,
 815                         &usr_nopwchange_generic_mapping,
 816                         &ginfo->sid, SAMR_USR_RIGHTS_CANT_WRITE_PW);
 817                 goto done;
 818         }
 819
 820         ainfo = policy_handle_find(p, r->in.handle,
 821                                    STD_RIGHT_READ_CONTROL_ACCESS, NULL,
 822                                    struct samr_alias_info, &status);
 823         if (NT_STATUS_IS_OK(status)) {
 824                 /*
 825                  * TODO: different SDs have to be generated for aliases groups
 826                  * and users.  Currently all three get a default user SD
 827                  */
 828                 DEBUG(10,("_samr_QuerySecurity: querying security on alias "
 829                           "Object with SID: %s\n",
 830                           sid_string_dbg(&ainfo->sid)));
 831                 status = make_samr_object_sd(
 832                         p->mem_ctx, &psd, &sd_size,
 833                         &usr_nopwchange_generic_mapping,
 834                         &ainfo->sid, SAMR_USR_RIGHTS_CANT_WRITE_PW);
 835                 goto done;
 836         }
 837
 838         return NT_STATUS_OBJECT_TYPE_MISMATCH;
 839 done:
 840         if ((*r->out.sdbuf = make_sec_desc_buf(p->mem_ctx, sd_size, psd)) == NULL)
 841                 return NT_STATUS_NO_MEMORY;
 842
 843         return status;
 844 }
 845
 846 /*******************************************************************
 847 makes a SAM_ENTRY / UNISTR2* structure from a user list.
 848 ********************************************************************/
 849
 850 static NTSTATUS make_user_sam_entry_list(TALLOC_CTX *ctx,
 851                                          struct samr_SamEntry **sam_pp,
 852                                          uint32_t num_entries,
 853                                          uint32_t start_idx,
 854                                          struct samr_displayentry *entries)
 855 {
 856         uint32_t i;
 857         struct samr_SamEntry *sam;
 858
 859         *sam_pp = NULL;
 860
 861         if (num_entries == 0) {
 862                 return NT_STATUS_OK;
 863         }
 864
 865         sam = TALLOC_ZERO_ARRAY(ctx, struct samr_SamEntry, num_entries);
 866         if (sam == NULL) {
 867                 DEBUG(0, ("make_user_sam_entry_list: TALLOC_ZERO failed!\n"));
 868                 return NT_STATUS_NO_MEMORY;
 869         }
 870
 871         for (i = 0; i < num_entries; i++) {
 872 #if 0
 873                 /*
 874                  * usrmgr expects a non-NULL terminated string with
 875                  * trust relationships
 876                  */
 877                 if (entries[i].acct_flags & ACB_DOMTRUST) {
 878                         init_unistr2(&uni_temp_name, entries[i].account_name,
 879                                      UNI_FLAGS_NONE);
 880                 } else {
 881                         init_unistr2(&uni_temp_name, entries[i].account_name,
 882                                      UNI_STR_TERMINATE);
 883                 }
 884 #endif
 885                 init_lsa_String(&sam[i].name, entries[i].account_name);
 886                 sam[i].idx = entries[i].rid;
 887         }
 888
 889         *sam_pp = sam;
 890
 891         return NT_STATUS_OK;
 892 }
 893
 894 #define MAX_SAM_ENTRIES MAX_SAM_ENTRIES_W2K
 895
 896 /*******************************************************************
 897  _samr_EnumDomainUsers
 898  ********************************************************************/
 899
 900 NTSTATUS _samr_EnumDomainUsers(pipes_struct *p,
 901                                struct samr_EnumDomainUsers *r)
 902 {
 903         NTSTATUS status;
 904         struct samr_domain_info *dinfo;
 905         int num_account;
 906         uint32 enum_context = *r->in.resume_handle;
 907         enum remote_arch_types ra_type = get_remote_arch();
 908         int max_sam_entries = (ra_type == RA_WIN95) ? MAX_SAM_ENTRIES_W95 : MAX_SAM_ENTRIES_W2K;
 909         uint32 max_entries = max_sam_entries;
 910         struct samr_displayentry *entries = NULL;
 911         struct samr_SamArray *samr_array = NULL;
 912         struct samr_SamEntry *samr_entries = NULL;
 913
 914         DEBUG(5,("_samr_EnumDomainUsers: %d\n", __LINE__));
 915
 916         dinfo = policy_handle_find(p, r->in.domain_handle,
 917                                    SAMR_DOMAIN_ACCESS_ENUM_ACCOUNTS, NULL,
 918                                    struct samr_domain_info, &status);
 919         if (!NT_STATUS_IS_OK(status)) {
 920                 return status;
 921         }
 922
 923         if (sid_check_is_builtin(&dinfo->sid)) {
 924                 /* No users in builtin. */
 925                 *r->out.resume_handle = *r->in.resume_handle;
 926                 DEBUG(5,("_samr_EnumDomainUsers: No users in BUILTIN\n"));
 927                 return status;
 928         }
 929
 930         samr_array = TALLOC_ZERO_P(p->mem_ctx, struct samr_SamArray);
 931         if (!samr_array) {
 932                 return NT_STATUS_NO_MEMORY;
 933         }
 934         *r->out.sam = samr_array;
 935
 936         become_root();
 937
 938         /* AS ROOT !!!! */
 939
 940         if ((dinfo->disp_info->enum_users != NULL) &&
 941             (dinfo->disp_info->enum_acb_mask != r->in.acct_flags)) {
 942                 TALLOC_FREE(dinfo->disp_info->enum_users);
 943         }
 944
 945         if (dinfo->disp_info->enum_users == NULL) {
 946                 dinfo->disp_info->enum_users = pdb_search_users(
 947                         dinfo->disp_info, r->in.acct_flags);
 948                 dinfo->disp_info->enum_acb_mask = r->in.acct_flags;
 949         }
 950
 951         if (dinfo->disp_info->enum_users == NULL) {
 952                 /* END AS ROOT !!!! */
 953                 unbecome_root();
 954                 return NT_STATUS_ACCESS_DENIED;
 955         }
 956
 957         num_account = pdb_search_entries(dinfo->disp_info->enum_users,
 958                                          enum_context, max_entries,
 959                                          &entries);
 960
 961         /* END AS ROOT !!!! */
 962
 963         unbecome_root();
 964
 965         if (num_account == 0) {
 966                 DEBUG(5, ("_samr_EnumDomainUsers: enumeration handle over "
 967                           "total entries\n"));
 968                 *r->out.resume_handle = *r->in.resume_handle;
 969                 return NT_STATUS_OK;
 970         }
 971
 972         status = make_user_sam_entry_list(p->mem_ctx, &samr_entries,
 973                                           num_account, enum_context,
 974                                           entries);
 975         if (!NT_STATUS_IS_OK(status)) {
 976                 return status;
 977         }
 978
 979         if (max_entries <= num_account) {
 980                 status = STATUS_MORE_ENTRIES;
 981         } else {
 982                 status = NT_STATUS_OK;
 983         }
 984
 985         /* Ensure we cache this enumeration. */
 986         set_disp_info_cache_timeout(dinfo->disp_info, DISP_INFO_CACHE_TIMEOUT);
 987
 988         DEBUG(5, ("_samr_EnumDomainUsers: %d\n", __LINE__));
 989
 990         samr_array->count = num_account;
 991         samr_array->entries = samr_entries;
 992
 993         *r->out.resume_handle = *r->in.resume_handle + num_account;
 994         *r->out.num_entries = num_account;
 995
 996         DEBUG(5,("_samr_EnumDomainUsers: %d\n", __LINE__));
 997
 998         return status;
 999 }
1000
1001 /*******************************************************************
1002 makes a SAM_ENTRY / UNISTR2* structure from a group list.
1003 ********************************************************************/
1004
1005 static void make_group_sam_entry_list(TALLOC_CTX *ctx,
1006                                       struct samr_SamEntry **sam_pp,
1007                                       uint32_t num_sam_entries,
1008                                       struct samr_displayentry *entries)
1009 {
1010         struct samr_SamEntry *sam;
1011         uint32_t i;
1012
1013         *sam_pp = NULL;
1014
1015         if (num_sam_entries == 0) {
1016                 return;
1017         }
1018
1019         sam = TALLOC_ZERO_ARRAY(ctx, struct samr_SamEntry, num_sam_entries);
1020         if (sam == NULL) {
1021                 return;
1022         }
1023
1024         for (i = 0; i < num_sam_entries; i++) {
1025                 /*
1026                  * JRA. I think this should include the null. TNG does not.
1027                  */
1028                 init_lsa_String(&sam[i].name, entries[i].account_name);
1029                 sam[i].idx = entries[i].rid;
1030         }
1031
1032         *sam_pp = sam;
1033 }
1034
1035 /*******************************************************************
1036  _samr_EnumDomainGroups
1037  ********************************************************************/
1038
1039 NTSTATUS _samr_EnumDomainGroups(pipes_struct *p,
1040                                 struct samr_EnumDomainGroups *r)
1041 {
1042         NTSTATUS status;
1043         struct samr_domain_info *dinfo;
1044         struct samr_displayentry *groups;
1045         uint32 num_groups;
1046         struct samr_SamArray *samr_array = NULL;
1047         struct samr_SamEntry *samr_entries = NULL;
1048
1049         dinfo = policy_handle_find(p, r->in.domain_handle,
1050                                    SAMR_DOMAIN_ACCESS_ENUM_ACCOUNTS, NULL,
1051                                    struct samr_domain_info, &status);
1052         if (!NT_STATUS_IS_OK(status)) {
1053                 return status;
1054         }
1055
1056         DEBUG(5,("_samr_EnumDomainGroups: %d\n", __LINE__));
1057
1058         if (sid_check_is_builtin(&dinfo->sid)) {
1059                 /* No groups in builtin. */
1060                 *r->out.resume_handle = *r->in.resume_handle;
1061                 DEBUG(5,("_samr_EnumDomainGroups: No groups in BUILTIN\n"));
1062                 return status;
1063         }
1064
1065         samr_array = TALLOC_ZERO_P(p->mem_ctx, struct samr_SamArray);
1066         if (!samr_array) {
1067                 return NT_STATUS_NO_MEMORY;
1068         }
1069
1070         /* the domain group array is being allocated in the function below */
1071
1072         become_root();
1073
1074         if (dinfo->disp_info->groups == NULL) {
1075                 dinfo->disp_info->groups = pdb_search_groups(dinfo->disp_info);
1076
1077                 if (dinfo->disp_info->groups == NULL) {
1078                         unbecome_root();
1079                         return NT_STATUS_ACCESS_DENIED;
1080                 }
1081         }
1082
1083         num_groups = pdb_search_entries(dinfo->disp_info->groups,
1084                                         *r->in.resume_handle,
1085                                         MAX_SAM_ENTRIES, &groups);
1086         unbecome_root();
1087
1088         /* Ensure we cache this enumeration. */
1089         set_disp_info_cache_timeout(dinfo->disp_info, DISP_INFO_CACHE_TIMEOUT);
1090
1091         make_group_sam_entry_list(p->mem_ctx, &samr_entries,
1092                                   num_groups, groups);
1093
1094         samr_array->count = num_groups;
1095         samr_array->entries = samr_entries;
1096
1097         *r->out.sam = samr_array;
1098         *r->out.num_entries = num_groups;
1099         *r->out.resume_handle = num_groups + *r->in.resume_handle;
1100
1101         DEBUG(5,("_samr_EnumDomainGroups: %d\n", __LINE__));
1102
1103         return status;
1104 }
1105
1106 /*******************************************************************
1107  _samr_EnumDomainAliases
1108  ********************************************************************/
1109
1110 NTSTATUS _samr_EnumDomainAliases(pipes_struct *p,
1111                                  struct samr_EnumDomainAliases *r)
1112 {
1113         NTSTATUS status;
1114         struct samr_domain_info *dinfo;
1115         struct samr_displayentry *aliases;
1116         uint32 num_aliases = 0;
1117         struct samr_SamArray *samr_array = NULL;
1118         struct samr_SamEntry *samr_entries = NULL;
1119
1120         dinfo = policy_handle_find(p, r->in.domain_handle,
1121                                    SAMR_DOMAIN_ACCESS_ENUM_ACCOUNTS, NULL,
1122                                    struct samr_domain_info, &status);
1123         if (!NT_STATUS_IS_OK(status)) {
1124                 return status;
1125         }
1126
1127         DEBUG(5,("_samr_EnumDomainAliases: sid %s\n",
1128                  sid_string_dbg(&dinfo->sid)));
1129
1130         samr_array = TALLOC_ZERO_P(p->mem_ctx, struct samr_SamArray);
1131         if (!samr_array) {
1132                 return NT_STATUS_NO_MEMORY;
1133         }
1134
1135         become_root();
1136
1137         if (dinfo->disp_info->aliases == NULL) {
1138                 dinfo->disp_info->aliases = pdb_search_aliases(
1139                         dinfo->disp_info, &dinfo->sid);
1140                 if (dinfo->disp_info->aliases == NULL) {
1141                         unbecome_root();
1142                         return NT_STATUS_ACCESS_DENIED;
1143                 }
1144         }
1145
1146         num_aliases = pdb_search_entries(dinfo->disp_info->aliases,
1147                                          *r->in.resume_handle,
1148                                          MAX_SAM_ENTRIES, &aliases);
1149         unbecome_root();
1150
1151         /* Ensure we cache this enumeration. */
1152         set_disp_info_cache_timeout(dinfo->disp_info, DISP_INFO_CACHE_TIMEOUT);
1153
1154         make_group_sam_entry_list(p->mem_ctx, &samr_entries,
1155                                   num_aliases, aliases);
1156
1157         DEBUG(5,("_samr_EnumDomainAliases: %d\n", __LINE__));
1158
1159         samr_array->count = num_aliases;
1160         samr_array->entries = samr_entries;
1161
1162         *r->out.sam = samr_array;
1163         *r->out.num_entries = num_aliases;
1164         *r->out.resume_handle = num_aliases + *r->in.resume_handle;
1165
1166         return status;
1167 }
1168
1169 /*******************************************************************
1170  inits a samr_DispInfoGeneral structure.
1171 ********************************************************************/
1172
1173 static NTSTATUS init_samr_dispinfo_1(TALLOC_CTX *ctx,
1174                                      struct samr_DispInfoGeneral *r,
1175                                      uint32_t num_entries,
1176                                      uint32_t start_idx,
1177                                      struct samr_displayentry *entries)
1178 {
1179         uint32 i;
1180
1181         DEBUG(10, ("init_samr_dispinfo_1: num_entries: %d\n", num_entries));
1182
1183         if (num_entries == 0) {
1184                 return NT_STATUS_OK;
1185         }
1186
1187         r->count = num_entries;
1188
1189         r->entries = TALLOC_ZERO_ARRAY(ctx, struct samr_DispEntryGeneral, num_entries);
1190         if (!r->entries) {
1191                 return NT_STATUS_NO_MEMORY;
1192         }
1193
1194         for (i = 0; i < num_entries ; i++) {
1195
1196                 init_lsa_String(&r->entries[i].account_name,
1197                                 entries[i].account_name);
1198
1199                 init_lsa_String(&r->entries[i].description,
1200                                 entries[i].description);
1201
1202                 init_lsa_String(&r->entries[i].full_name,
1203                                 entries[i].fullname);
1204
1205                 r->entries[i].rid = entries[i].rid;
1206                 r->entries[i].acct_flags = entries[i].acct_flags;
1207                 r->entries[i].idx = start_idx+i+1;
1208         }
1209
1210         return NT_STATUS_OK;
1211 }
1212
1213 /*******************************************************************
1214  inits a samr_DispInfoFull structure.
1215 ********************************************************************/
1216
1217 static NTSTATUS init_samr_dispinfo_2(TALLOC_CTX *ctx,
1218                                      struct samr_DispInfoFull *r,
1219                                      uint32_t num_entries,
1220                                      uint32_t start_idx,
1221                                      struct samr_displayentry *entries)
1222 {
1223         uint32_t i;
1224
1225         DEBUG(10, ("init_samr_dispinfo_2: num_entries: %d\n", num_entries));
1226
1227         if (num_entries == 0) {
1228                 return NT_STATUS_OK;
1229         }
1230
1231         r->count = num_entries;
1232
1233         r->entries = TALLOC_ZERO_ARRAY(ctx, struct samr_DispEntryFull, num_entries);
1234         if (!r->entries) {
1235                 return NT_STATUS_NO_MEMORY;
1236         }
1237
1238         for (i = 0; i < num_entries ; i++) {
1239
1240                 init_lsa_String(&r->entries[i].account_name,
1241                                 entries[i].account_name);
1242
1243                 init_lsa_String(&r->entries[i].description,
1244                                 entries[i].description);
1245
1246                 r->entries[i].rid = entries[i].rid;
1247                 r->entries[i].acct_flags = entries[i].acct_flags;
1248                 r->entries[i].idx = start_idx+i+1;
1249         }
1250
1251         return NT_STATUS_OK;
1252 }
1253
1254 /*******************************************************************
1255  inits a samr_DispInfoFullGroups structure.
1256 ********************************************************************/
1257
1258 static NTSTATUS init_samr_dispinfo_3(TALLOC_CTX *ctx,
1259                                      struct samr_DispInfoFullGroups *r,
1260                                      uint32_t num_entries,
1261                                      uint32_t start_idx,
1262                                      struct samr_displayentry *entries)
1263 {
1264         uint32_t i;
1265
1266         DEBUG(5, ("init_samr_dispinfo_3: num_entries: %d\n", num_entries));
1267
1268         if (num_entries == 0) {
1269                 return NT_STATUS_OK;
1270         }
1271
1272         r->count = num_entries;
1273
1274         r->entries = TALLOC_ZERO_ARRAY(ctx, struct samr_DispEntryFullGroup, num_entries);
1275         if (!r->entries) {
1276                 return NT_STATUS_NO_MEMORY;
1277         }
1278
1279         for (i = 0; i < num_entries ; i++) {
1280
1281                 init_lsa_String(&r->entries[i].account_name,
1282                                 entries[i].account_name);
1283
1284                 init_lsa_String(&r->entries[i].description,
1285                                 entries[i].description);
1286
1287                 r->entries[i].rid = entries[i].rid;
1288                 r->entries[i].acct_flags = entries[i].acct_flags;
1289                 r->entries[i].idx = start_idx+i+1;
1290         }
1291
1292         return NT_STATUS_OK;
1293 }
1294
1295 /*******************************************************************
1296  inits a samr_DispInfoAscii structure.
1297 ********************************************************************/
1298
1299 static NTSTATUS init_samr_dispinfo_4(TALLOC_CTX *ctx,
1300                                      struct samr_DispInfoAscii *r,
1301                                      uint32_t num_entries,
1302                                      uint32_t start_idx,
1303                                      struct samr_displayentry *entries)
1304 {
1305         uint32_t i;
1306
1307         DEBUG(5, ("init_samr_dispinfo_4: num_entries: %d\n", num_entries));
1308
1309         if (num_entries == 0) {
1310                 return NT_STATUS_OK;
1311         }
1312
1313         r->count = num_entries;
1314
1315         r->entries = TALLOC_ZERO_ARRAY(ctx, struct samr_DispEntryAscii, num_entries);
1316         if (!r->entries) {
1317                 return NT_STATUS_NO_MEMORY;
1318         }
1319
1320         for (i = 0; i < num_entries ; i++) {
1321
1322                 init_lsa_AsciiStringLarge(&r->entries[i].account_name,
1323                                           entries[i].account_name);
1324
1325                 r->entries[i].idx = start_idx+i+1;
1326         }
1327
1328         return NT_STATUS_OK;
1329 }
1330
1331 /*******************************************************************
1332  inits a samr_DispInfoAscii structure.
1333 ********************************************************************/
1334
1335 static NTSTATUS init_samr_dispinfo_5(TALLOC_CTX *ctx,
1336                                      struct samr_DispInfoAscii *r,
1337                                      uint32_t num_entries,
1338                                      uint32_t start_idx,
1339                                      struct samr_displayentry *entries)
1340 {
1341         uint32_t i;
1342
1343         DEBUG(5, ("init_samr_dispinfo_5: num_entries: %d\n", num_entries));
1344
1345         if (num_entries == 0) {
1346                 return NT_STATUS_OK;
1347         }
1348
1349         r->count = num_entries;
1350
1351         r->entries = TALLOC_ZERO_ARRAY(ctx, struct samr_DispEntryAscii, num_entries);
1352         if (!r->entries) {
1353                 return NT_STATUS_NO_MEMORY;
1354         }
1355
1356         for (i = 0; i < num_entries ; i++) {
1357
1358                 init_lsa_AsciiStringLarge(&r->entries[i].account_name,
1359                                           entries[i].account_name);
1360
1361                 r->entries[i].idx = start_idx+i+1;
1362         }
1363
1364         return NT_STATUS_OK;
1365 }
1366
1367 /*******************************************************************
1368  _samr_QueryDisplayInfo
1369  ********************************************************************/
1370
1371 NTSTATUS _samr_QueryDisplayInfo(pipes_struct *p,
1372                                 struct samr_QueryDisplayInfo *r)
1373 {
1374         NTSTATUS status;
1375         struct samr_domain_info *dinfo;
1376         uint32 struct_size=0x20; /* W2K always reply that, client doesn't care */
1377
1378         uint32 max_entries = r->in.max_entries;
1379         uint32 enum_context = r->in.start_idx;
1380         uint32 max_size = r->in.buf_size;
1381
1382         union samr_DispInfo *disp_info = r->out.info;
1383
1384         uint32 temp_size=0, total_data_size=0;
1385         NTSTATUS disp_ret = NT_STATUS_UNSUCCESSFUL;
1386         uint32 num_account = 0;
1387         enum remote_arch_types ra_type = get_remote_arch();
1388         int max_sam_entries = (ra_type == RA_WIN95) ? MAX_SAM_ENTRIES_W95 : MAX_SAM_ENTRIES_W2K;
1389         struct samr_displayentry *entries = NULL;
1390
1391         DEBUG(5,("_samr_QueryDisplayInfo: %d\n", __LINE__));
1392
1393         dinfo = policy_handle_find(p, r->in.domain_handle,
1394                                    SAMR_DOMAIN_ACCESS_ENUM_ACCOUNTS, NULL,
1395                                    struct samr_domain_info, &status);
1396         if (!NT_STATUS_IS_OK(status)) {
1397                 return status;
1398         }
1399
1400         if (sid_check_is_builtin(&dinfo->sid)) {
1401                 DEBUG(5,("_samr_QueryDisplayInfo: no users in BUILTIN\n"));
1402                 return NT_STATUS_OK;
1403         }
1404
1405         /*
1406          * calculate how many entries we will return.
1407          * based on
1408          * - the number of entries the client asked
1409          * - our limit on that
1410          * - the starting point (enumeration context)
1411          * - the buffer size the client will accept
1412          */
1413
1414         /*
1415          * We are a lot more like W2K. Instead of reading the SAM
1416          * each time to find the records we need to send back,
1417          * we read it once and link that copy to the sam handle.
1418          * For large user list (over the MAX_SAM_ENTRIES)
1419          * it's a definitive win.
1420          * second point to notice: between enumerations
1421          * our sam is now the same as it's a snapshoot.
1422          * third point: got rid of the static SAM_USER_21 struct
1423          * no more intermediate.
1424          * con: it uses much more memory, as a full copy is stored
1425          * in memory.
1426          *
1427          * If you want to change it, think twice and think
1428          * of the second point , that's really important.
1429          *
1430          * JFM, 12/20/2001
1431          */
1432
1433         if ((r->in.level < 1) || (r->in.level > 5)) {
1434                 DEBUG(0,("_samr_QueryDisplayInfo: Unknown info level (%u)\n",
1435                          (unsigned int)r->in.level ));
1436                 return NT_STATUS_INVALID_INFO_CLASS;
1437         }
1438
1439         /* first limit the number of entries we will return */
1440         if(max_entries > max_sam_entries) {
1441                 DEBUG(5, ("_samr_QueryDisplayInfo: client requested %d "
1442                           "entries, limiting to %d\n", max_entries,
1443                           max_sam_entries));
1444                 max_entries = max_sam_entries;
1445         }
1446
1447         /* calculate the size and limit on the number of entries we will
1448          * return */
1449
1450         temp_size=max_entries*struct_size;
1451
1452         if (temp_size>max_size) {
1453                 max_entries=MIN((max_size/struct_size),max_entries);;
1454                 DEBUG(5, ("_samr_QueryDisplayInfo: buffer size limits to "
1455                           "only %d entries\n", max_entries));
1456         }
1457
1458         become_root();
1459
1460         /* THe following done as ROOT. Don't return without unbecome_root(). */
1461
1462         switch (r->in.level) {
1463         case 0x1:
1464         case 0x4:
1465                 if (dinfo->disp_info->users == NULL) {
1466                         dinfo->disp_info->users = pdb_search_users(
1467                                 dinfo->disp_info, ACB_NORMAL);
1468                         if (dinfo->disp_info->users == NULL) {
1469                                 unbecome_root();
1470                                 return NT_STATUS_ACCESS_DENIED;
1471                         }
1472                         DEBUG(10,("_samr_QueryDisplayInfo: starting user enumeration at index %u\n",
1473                                 (unsigned  int)enum_context ));
1474                 } else {
1475                         DEBUG(10,("_samr_QueryDisplayInfo: using cached user enumeration at index %u\n",
1476                                 (unsigned  int)enum_context ));
1477                 }
1478
1479                 num_account = pdb_search_entries(dinfo->disp_info->users,
1480                                                  enum_context, max_entries,
1481                                                  &entries);
1482                 break;
1483         case 0x2:
1484                 if (dinfo->disp_info->machines == NULL) {
1485                         dinfo->disp_info->machines = pdb_search_users(
1486                                 dinfo->disp_info, ACB_WSTRUST|ACB_SVRTRUST);
1487                         if (dinfo->disp_info->machines == NULL) {
1488                                 unbecome_root();
1489                                 return NT_STATUS_ACCESS_DENIED;
1490                         }
1491                         DEBUG(10,("_samr_QueryDisplayInfo: starting machine enumeration at index %u\n",
1492                                 (unsigned  int)enum_context ));
1493                 } else {
1494                         DEBUG(10,("_samr_QueryDisplayInfo: using cached machine enumeration at index %u\n",
1495                                 (unsigned  int)enum_context ));
1496                 }
1497
1498                 num_account = pdb_search_entries(dinfo->disp_info->machines,
1499                                                  enum_context, max_entries,
1500                                                  &entries);
1501                 break;
1502         case 0x3:
1503         case 0x5:
1504                 if (dinfo->disp_info->groups == NULL) {
1505                         dinfo->disp_info->groups = pdb_search_groups(
1506                                 dinfo->disp_info);
1507                         if (dinfo->disp_info->groups == NULL) {
1508                                 unbecome_root();
1509                                 return NT_STATUS_ACCESS_DENIED;
1510                         }
1511                         DEBUG(10,("_samr_QueryDisplayInfo: starting group enumeration at index %u\n",
1512                                 (unsigned  int)enum_context ));
1513                 } else {
1514                         DEBUG(10,("_samr_QueryDisplayInfo: using cached group enumeration at index %u\n",
1515                                 (unsigned  int)enum_context ));
1516                 }
1517
1518                 num_account = pdb_search_entries(dinfo->disp_info->groups,
1519                                                  enum_context, max_entries,
1520                                                  &entries);
1521                 break;
1522         default:
1523                 unbecome_root();
1524                 smb_panic("info class changed");
1525                 break;
1526         }
1527         unbecome_root();
1528
1529
1530         /* Now create reply structure */
1531         switch (r->in.level) {
1532         case 0x1:
1533                 disp_ret = init_samr_dispinfo_1(p->mem_ctx, &disp_info->info1,
1534                                                 num_account, enum_context,
1535                                                 entries);
1536                 break;
1537         case 0x2:
1538                 disp_ret = init_samr_dispinfo_2(p->mem_ctx, &disp_info->info2,
1539                                                 num_account, enum_context,
1540                                                 entries);
1541                 break;
1542         case 0x3:
1543                 disp_ret = init_samr_dispinfo_3(p->mem_ctx, &disp_info->info3,
1544                                                 num_account, enum_context,
1545                                                 entries);
1546                 break;
1547         case 0x4:
1548                 disp_ret = init_samr_dispinfo_4(p->mem_ctx, &disp_info->info4,
1549                                                 num_account, enum_context,
1550                                                 entries);
1551                 break;
1552         case 0x5:
1553                 disp_ret = init_samr_dispinfo_5(p->mem_ctx, &disp_info->info5,
1554                                                 num_account, enum_context,
1555                                                 entries);
1556                 break;
1557         default:
1558                 smb_panic("info class changed");
1559                 break;
1560         }
1561
1562         if (!NT_STATUS_IS_OK(disp_ret))
1563                 return disp_ret;
1564
1565         /* calculate the total size */
1566         total_data_size=num_account*struct_size;
1567
1568         if (max_entries <= num_account) {
1569                 status = STATUS_MORE_ENTRIES;
1570         } else {
1571                 status = NT_STATUS_OK;
1572         }
1573
1574         /* Ensure we cache this enumeration. */
1575         set_disp_info_cache_timeout(dinfo->disp_info, DISP_INFO_CACHE_TIMEOUT);
1576
1577         DEBUG(5, ("_samr_QueryDisplayInfo: %d\n", __LINE__));
1578
1579         *r->out.total_size = total_data_size;
1580         *r->out.returned_size = temp_size;
1581
1582         return status;
1583 }
1584
1585 /****************************************************************
1586  _samr_QueryDisplayInfo2
1587 ****************************************************************/
1588
1589 NTSTATUS _samr_QueryDisplayInfo2(pipes_struct *p,
1590                                  struct samr_QueryDisplayInfo2 *r)
1591 {
1592         struct samr_QueryDisplayInfo q;
1593
1594         q.in.domain_handle      = r->in.domain_handle;
1595         q.in.level              = r->in.level;
1596         q.in.start_idx          = r->in.start_idx;
1597         q.in.max_entries        = r->in.max_entries;
1598         q.in.buf_size           = r->in.buf_size;
1599
1600         q.out.total_size        = r->out.total_size;
1601         q.out.returned_size     = r->out.returned_size;
1602         q.out.info              = r->out.info;
1603
1604         return _samr_QueryDisplayInfo(p, &q);
1605 }
1606
1607 /****************************************************************
1608  _samr_QueryDisplayInfo3
1609 ****************************************************************/
1610
1611 NTSTATUS _samr_QueryDisplayInfo3(pipes_struct *p,
1612                                  struct samr_QueryDisplayInfo3 *r)
1613 {
1614         struct samr_QueryDisplayInfo q;
1615
1616         q.in.domain_handle      = r->in.domain_handle;
1617         q.in.level              = r->in.level;
1618         q.in.start_idx          = r->in.start_idx;
1619         q.in.max_entries        = r->in.max_entries;
1620         q.in.buf_size           = r->in.buf_size;
1621
1622         q.out.total_size        = r->out.total_size;
1623         q.out.returned_size     = r->out.returned_size;
1624         q.out.info              = r->out.info;
1625
1626         return _samr_QueryDisplayInfo(p, &q);
1627 }
1628
1629 /*******************************************************************
1630  _samr_QueryAliasInfo
1631  ********************************************************************/
1632
1633 NTSTATUS _samr_QueryAliasInfo(pipes_struct *p,
1634                               struct samr_QueryAliasInfo *r)
1635 {
1636         struct samr_alias_info *ainfo;
1637         struct acct_info info;
1638         NTSTATUS status;
1639         union samr_AliasInfo *alias_info = NULL;
1640         const char *alias_name = NULL;
1641         const char *alias_description = NULL;
1642
1643         DEBUG(5,("_samr_QueryAliasInfo: %d\n", __LINE__));
1644
1645         ainfo = policy_handle_find(p, r->in.alias_handle,
1646                                    SAMR_ALIAS_ACCESS_LOOKUP_INFO, NULL,
1647                                    struct samr_alias_info, &status);
1648         if (!NT_STATUS_IS_OK(status)) {
1649                 return status;
1650         }
1651
1652         alias_info = TALLOC_ZERO_P(p->mem_ctx, union samr_AliasInfo);
1653         if (!alias_info) {
1654                 return NT_STATUS_NO_MEMORY;
1655         }
1656
1657         become_root();
1658         status = pdb_get_aliasinfo(&ainfo->sid, &info);
1659         unbecome_root();
1660
1661         if ( !NT_STATUS_IS_OK(status))
1662                 return status;
1663
1664         /* FIXME: info contains fstrings */
1665         alias_name = talloc_strdup(r, info.acct_name);
1666         alias_description = talloc_strdup(r, info.acct_desc);
1667
1668         switch (r->in.level) {
1669         case ALIASINFOALL:
1670                 alias_info->all.name.string             = alias_name;
1671                 alias_info->all.num_members             = 1; /* ??? */
1672                 alias_info->all.description.string      = alias_description;
1673                 break;
1674         case ALIASINFONAME:
1675                 alias_info->name.string                 = alias_name;
1676                 break;
1677         case ALIASINFODESCRIPTION:
1678                 alias_info->description.string          = alias_description;
1679                 break;
1680         default:
1681                 return NT_STATUS_INVALID_INFO_CLASS;
1682         }
1683
1684         *r->out.info = alias_info;
1685
1686         DEBUG(5,("_samr_QueryAliasInfo: %d\n", __LINE__));
1687
1688         return NT_STATUS_OK;
1689 }
1690
1691 /*******************************************************************
1692  _samr_LookupNames
1693  ********************************************************************/
1694
1695 NTSTATUS _samr_LookupNames(pipes_struct *p,
1696                            struct samr_LookupNames *r)
1697 {
1698         struct samr_domain_info *dinfo;
1699         NTSTATUS status;
1700         uint32 *rid;
1701         enum lsa_SidType *type;
1702         int i;
1703         int num_rids = r->in.num_names;
1704         struct samr_Ids rids, types;
1705         uint32_t num_mapped = 0;
1706
1707         DEBUG(5,("_samr_LookupNames: %d\n", __LINE__));
1708
1709         dinfo = policy_handle_find(p, r->in.domain_handle,
1710                                    0 /* Don't know the acc_bits yet */, NULL,
1711                                    struct samr_domain_info, &status);
1712         if (!NT_STATUS_IS_OK(status)) {
1713                 return status;
1714         }
1715
1716         if (num_rids > MAX_SAM_ENTRIES) {
1717                 num_rids = MAX_SAM_ENTRIES;
1718                 DEBUG(5,("_samr_LookupNames: truncating entries to %d\n", num_rids));
1719         }
1720
1721         rid = talloc_array(p->mem_ctx, uint32, num_rids);
1722         NT_STATUS_HAVE_NO_MEMORY(rid);
1723
1724         type = talloc_array(p->mem_ctx, enum lsa_SidType, num_rids);
1725         NT_STATUS_HAVE_NO_MEMORY(type);
1726
1727         DEBUG(5,("_samr_LookupNames: looking name on SID %s\n",
1728                  sid_string_dbg(&dinfo->sid)));
1729
1730         for (i = 0; i < num_rids; i++) {
1731
1732                 status = NT_STATUS_NONE_MAPPED;
1733                 type[i] = SID_NAME_UNKNOWN;
1734
1735                 rid[i] = 0xffffffff;
1736
1737                 if (sid_check_is_builtin(&dinfo->sid)) {
1738                         if (lookup_builtin_name(r->in.names[i].string,
1739                                                 &rid[i]))
1740                         {
1741                                 type[i] = SID_NAME_ALIAS;
1742                         }
1743                 } else {
1744                         lookup_global_sam_name(r->in.names[i].string, 0,
1745                                                &rid[i], &type[i]);
1746                 }
1747
1748                 if (type[i] != SID_NAME_UNKNOWN) {
1749                         num_mapped++;
1750                 }
1751         }
1752
1753         if (num_mapped == num_rids) {
1754                 status = NT_STATUS_OK;
1755         } else if (num_mapped == 0) {
1756                 status = NT_STATUS_NONE_MAPPED;
1757         } else {
1758                 status = STATUS_SOME_UNMAPPED;
1759         }
1760
1761         rids.count = num_rids;
1762         rids.ids = rid;
1763
1764         types.count = num_rids;
1765         types.ids = type;
1766
1767         *r->out.rids = rids;
1768         *r->out.types = types;
1769
1770         DEBUG(5,("_samr_LookupNames: %d\n", __LINE__));
1771
1772         return status;
1773 }
1774
1775 /****************************************************************
1776  _samr_ChangePasswordUser
1777 ****************************************************************/
1778
1779 NTSTATUS _samr_ChangePasswordUser(pipes_struct *p,
1780                                   struct samr_ChangePasswordUser *r)
1781 {
1782         NTSTATUS status;
1783         bool ret = false;
1784         struct samr_user_info *uinfo;
1785         struct samu *pwd;
1786         struct samr_Password new_lmPwdHash, new_ntPwdHash, checkHash;
1787         struct samr_Password lm_pwd, nt_pwd;
1788
1789         uinfo = policy_handle_find(p, r->in.user_handle,
1790                                    SAMR_USER_ACCESS_SET_PASSWORD, NULL,
1791                                    struct samr_user_info, &status);
1792         if (!NT_STATUS_IS_OK(status)) {
1793                 return status;
1794         }
1795
1796         DEBUG(5,("_samr_ChangePasswordUser: sid:%s\n",
1797                   sid_string_dbg(&uinfo->sid)));
1798
1799         if (!(pwd = samu_new(NULL))) {
1800                 return NT_STATUS_NO_MEMORY;
1801         }
1802
1803         become_root();
1804         ret = pdb_getsampwsid(pwd, &uinfo->sid);
1805         unbecome_root();
1806
1807         if (!ret) {
1808                 TALLOC_FREE(pwd);
1809                 return NT_STATUS_WRONG_PASSWORD;
1810         }
1811
1812         {
1813                 const uint8_t *lm_pass, *nt_pass;
1814
1815                 lm_pass = pdb_get_lanman_passwd(pwd);
1816                 nt_pass = pdb_get_nt_passwd(pwd);
1817
1818                 if (!lm_pass || !nt_pass) {
1819                         status = NT_STATUS_WRONG_PASSWORD;
1820                         goto out;
1821                 }
1822
1823                 memcpy(&lm_pwd.hash, lm_pass, sizeof(lm_pwd.hash));
1824                 memcpy(&nt_pwd.hash, nt_pass, sizeof(nt_pwd.hash));
1825         }
1826
1827         /* basic sanity checking on parameters.  Do this before any database ops */
1828         if (!r->in.lm_present || !r->in.nt_present ||
1829             !r->in.old_lm_crypted || !r->in.new_lm_crypted ||
1830             !r->in.old_nt_crypted || !r->in.new_nt_crypted) {
1831                 /* we should really handle a change with lm not
1832                    present */
1833                 status = NT_STATUS_INVALID_PARAMETER_MIX;
1834                 goto out;
1835         }
1836
1837         /* decrypt and check the new lm hash */
1838         D_P16(lm_pwd.hash, r->in.new_lm_crypted->hash, new_lmPwdHash.hash);
1839         D_P16(new_lmPwdHash.hash, r->in.old_lm_crypted->hash, checkHash.hash);
1840         if (memcmp(checkHash.hash, lm_pwd.hash, 16) != 0) {
1841                 status = NT_STATUS_WRONG_PASSWORD;
1842                 goto out;
1843         }
1844
1845         /* decrypt and check the new nt hash */
1846         D_P16(nt_pwd.hash, r->in.new_nt_crypted->hash, new_ntPwdHash.hash);
1847         D_P16(new_ntPwdHash.hash, r->in.old_nt_crypted->hash, checkHash.hash);
1848         if (memcmp(checkHash.hash, nt_pwd.hash, 16) != 0) {
1849                 status = NT_STATUS_WRONG_PASSWORD;
1850                 goto out;
1851         }
1852
1853         /* The NT Cross is not required by Win2k3 R2, but if present
1854            check the nt cross hash */
1855         if (r->in.cross1_present && r->in.nt_cross) {
1856                 D_P16(lm_pwd.hash, r->in.nt_cross->hash, checkHash.hash);
1857                 if (memcmp(checkHash.hash, new_ntPwdHash.hash, 16) != 0) {
1858                         status = NT_STATUS_WRONG_PASSWORD;
1859                         goto out;
1860                 }
1861         }
1862
1863         /* The LM Cross is not required by Win2k3 R2, but if present
1864            check the lm cross hash */
1865         if (r->in.cross2_present && r->in.lm_cross) {
1866                 D_P16(nt_pwd.hash, r->in.lm_cross->hash, checkHash.hash);
1867                 if (memcmp(checkHash.hash, new_lmPwdHash.hash, 16) != 0) {
1868                         status = NT_STATUS_WRONG_PASSWORD;
1869                         goto out;
1870                 }
1871         }
1872
1873         if (!pdb_set_nt_passwd(pwd, new_ntPwdHash.hash, PDB_CHANGED) ||
1874             !pdb_set_lanman_passwd(pwd, new_lmPwdHash.hash, PDB_CHANGED)) {
1875                 status = NT_STATUS_ACCESS_DENIED;
1876                 goto out;
1877         }
1878
1879         status = pdb_update_sam_account(pwd);
1880  out:
1881         TALLOC_FREE(pwd);
1882
1883         return status;
1884 }
1885
1886 /*******************************************************************
1887  _samr_ChangePasswordUser2
1888  ********************************************************************/
1889
1890 NTSTATUS _samr_ChangePasswordUser2(pipes_struct *p,
1891                                    struct samr_ChangePasswordUser2 *r)
1892 {
1893         NTSTATUS status;
1894         fstring user_name;
1895         fstring wks;
1896
1897         DEBUG(5,("_samr_ChangePasswordUser2: %d\n", __LINE__));
1898
1899         fstrcpy(user_name, r->in.account->string);
1900         fstrcpy(wks, r->in.server->string);
1901
1902         DEBUG(5,("_samr_ChangePasswordUser2: user: %s wks: %s\n", user_name, wks));
1903
1904         /*
1905          * Pass the user through the NT -> unix user mapping
1906          * function.
1907          */
1908
1909         (void)map_username(user_name);
1910
1911         /*
1912          * UNIX username case mangling not required, pass_oem_change
1913          * is case insensitive.
1914          */
1915
1916         status = pass_oem_change(user_name,
1917                                  r->in.lm_password->data,
1918                                  r->in.lm_verifier->hash,
1919                                  r->in.nt_password->data,
1920                                  r->in.nt_verifier->hash,
1921                                  NULL);
1922
1923         DEBUG(5,("_samr_ChangePasswordUser2: %d\n", __LINE__));
1924
1925         if (NT_STATUS_EQUAL(status, NT_STATUS_NO_SUCH_USER)) {
1926                 return NT_STATUS_WRONG_PASSWORD;
1927         }
1928
1929         return status;
1930 }
1931
1932 /****************************************************************
1933  _samr_OemChangePasswordUser2
1934 ****************************************************************/
1935
1936 NTSTATUS _samr_OemChangePasswordUser2(pipes_struct *p,
1937                                       struct samr_OemChangePasswordUser2 *r)
1938 {
1939         NTSTATUS status;
1940         fstring user_name;
1941         const char *wks = NULL;
1942
1943         DEBUG(5,("_samr_OemChangePasswordUser2: %d\n", __LINE__));
1944
1945         fstrcpy(user_name, r->in.account->string);
1946         if (r->in.server && r->in.server->string) {
1947                 wks = r->in.server->string;
1948         }
1949
1950         DEBUG(5,("_samr_OemChangePasswordUser2: user: %s wks: %s\n", user_name, wks));
1951
1952         /*
1953          * Pass the user through the NT -> unix user mapping
1954          * function.
1955          */
1956
1957         (void)map_username(user_name);
1958
1959         /*
1960          * UNIX username case mangling not required, pass_oem_change
1961          * is case insensitive.
1962          */
1963
1964         if (!r->in.hash || !r->in.password) {
1965                 return NT_STATUS_INVALID_PARAMETER;
1966         }
1967
1968         status = pass_oem_change(user_name,
1969                                  r->in.password->data,
1970                                  r->in.hash->hash,
1971                                  0,
1972                                  0,
1973                                  NULL);
1974
1975         if (NT_STATUS_EQUAL(status, NT_STATUS_NO_SUCH_USER)) {
1976                 return NT_STATUS_WRONG_PASSWORD;
1977         }
1978
1979         DEBUG(5,("_samr_OemChangePasswordUser2: %d\n", __LINE__));
1980
1981         return status;
1982 }
1983
1984 /*******************************************************************
1985  _samr_ChangePasswordUser3
1986  ********************************************************************/
1987
1988 NTSTATUS _samr_ChangePasswordUser3(pipes_struct *p,
1989                                    struct samr_ChangePasswordUser3 *r)
1990 {
1991         NTSTATUS status;
1992         fstring user_name;
1993         const char *wks = NULL;
1994         uint32 reject_reason;
1995         struct samr_DomInfo1 *dominfo = NULL;
1996         struct samr_ChangeReject *reject = NULL;
1997         uint32_t tmp;
1998
1999         DEBUG(5,("_samr_ChangePasswordUser3: %d\n", __LINE__));
2000
2001         fstrcpy(user_name, r->in.account->string);
2002         if (r->in.server && r->in.server->string) {
2003                 wks = r->in.server->string;
2004         }
2005
2006         DEBUG(5,("_samr_ChangePasswordUser3: user: %s wks: %s\n", user_name, wks));
2007
2008         /*
2009          * Pass the user through the NT -> unix user mapping
2010          * function.
2011          */
2012
2013         (void)map_username(user_name);
2014
2015         /*
2016          * UNIX username case mangling not required, pass_oem_change
2017          * is case insensitive.
2018          */
2019
2020         status = pass_oem_change(user_name,
2021                                  r->in.lm_password->data,
2022                                  r->in.lm_verifier->hash,
2023                                  r->in.nt_password->data,
2024                                  r->in.nt_verifier->hash,
2025                                  &reject_reason);
2026         if (NT_STATUS_EQUAL(status, NT_STATUS_NO_SUCH_USER)) {
2027                 return NT_STATUS_WRONG_PASSWORD;
2028         }
2029
2030         if (NT_STATUS_EQUAL(status, NT_STATUS_PASSWORD_RESTRICTION) ||
2031             NT_STATUS_EQUAL(status, NT_STATUS_ACCOUNT_RESTRICTION)) {
2032
2033                 time_t u_expire, u_min_age;
2034                 uint32 account_policy_temp;
2035
2036                 dominfo = TALLOC_ZERO_P(p->mem_ctx, struct samr_DomInfo1);
2037                 if (!dominfo) {
2038                         return NT_STATUS_NO_MEMORY;
2039                 }
2040
2041                 reject = TALLOC_ZERO_P(p->mem_ctx, struct samr_ChangeReject);
2042                 if (!reject) {
2043                         return NT_STATUS_NO_MEMORY;
2044                 }
2045
2046                 become_root();
2047
2048                 /* AS ROOT !!! */
2049
2050                 pdb_get_account_policy(AP_MIN_PASSWORD_LEN, &tmp);
2051                 dominfo->min_password_length = tmp;
2052
2053                 pdb_get_account_policy(AP_PASSWORD_HISTORY, &tmp);
2054                 dominfo->password_history_length = tmp;
2055
2056                 pdb_get_account_policy(AP_USER_MUST_LOGON_TO_CHG_PASS,
2057                                        &dominfo->password_properties);
2058
2059                 pdb_get_account_policy(AP_MAX_PASSWORD_AGE, &account_policy_temp);
2060                 u_expire = account_policy_temp;
2061
2062                 pdb_get_account_policy(AP_MIN_PASSWORD_AGE, &account_policy_temp);
2063                 u_min_age = account_policy_temp;
2064
2065                 /* !AS ROOT */
2066
2067                 unbecome_root();
2068
2069                 unix_to_nt_time_abs((NTTIME *)&dominfo->max_password_age, u_expire);
2070                 unix_to_nt_time_abs((NTTIME *)&dominfo->min_password_age, u_min_age);
2071
2072                 if (lp_check_password_script() && *lp_check_password_script()) {
2073                         dominfo->password_properties |= DOMAIN_PASSWORD_COMPLEX;
2074                 }
2075
2076                 reject->reason = reject_reason;
2077
2078                 *r->out.dominfo = dominfo;
2079                 *r->out.reject = reject;
2080         }
2081
2082         DEBUG(5,("_samr_ChangePasswordUser3: %d\n", __LINE__));
2083
2084         return status;
2085 }
2086
2087 /*******************************************************************
2088 makes a SAMR_R_LOOKUP_RIDS structure.
2089 ********************************************************************/
2090
2091 static bool make_samr_lookup_rids(TALLOC_CTX *ctx, uint32 num_names,
2092                                   const char **names,
2093                                   struct lsa_String **lsa_name_array_p)
2094 {
2095         struct lsa_String *lsa_name_array = NULL;
2096         uint32_t i;
2097
2098         *lsa_name_array_p = NULL;
2099
2100         if (num_names != 0) {
2101                 lsa_name_array = TALLOC_ZERO_ARRAY(ctx, struct lsa_String, num_names);
2102                 if (!lsa_name_array) {
2103                         return false;
2104                 }
2105         }
2106
2107         for (i = 0; i < num_names; i++) {
2108                 DEBUG(10, ("names[%d]:%s\n", i, names[i] && *names[i] ? names[i] : ""));
2109                 init_lsa_String(&lsa_name_array[i], names[i]);
2110         }
2111
2112         *lsa_name_array_p = lsa_name_array;
2113
2114         return true;
2115 }
2116
2117 /*******************************************************************
2118  _samr_LookupRids
2119  ********************************************************************/
2120
2121 NTSTATUS _samr_LookupRids(pipes_struct *p,
2122                           struct samr_LookupRids *r)
2123 {
2124         struct samr_domain_info *dinfo;
2125         NTSTATUS status;
2126         const char **names;
2127         enum lsa_SidType *attrs = NULL;
2128         uint32 *wire_attrs = NULL;
2129         int num_rids = (int)r->in.num_rids;
2130         int i;
2131         struct lsa_Strings names_array;
2132         struct samr_Ids types_array;
2133         struct lsa_String *lsa_names = NULL;
2134
2135         DEBUG(5,("_samr_LookupRids: %d\n", __LINE__));
2136
2137         dinfo = policy_handle_find(p, r->in.domain_handle,
2138                                    0 /* Don't know the acc_bits yet */, NULL,
2139                                    struct samr_domain_info, &status);
2140         if (!NT_STATUS_IS_OK(status)) {
2141                 return status;
2142         }
2143
2144         if (num_rids > 1000) {
2145                 DEBUG(0, ("Got asked for %d rids (more than 1000) -- according "
2146                           "to samba4 idl this is not possible\n", num_rids));
2147                 return NT_STATUS_UNSUCCESSFUL;
2148         }
2149
2150         if (num_rids) {
2151                 names = TALLOC_ZERO_ARRAY(p->mem_ctx, const char *, num_rids);
2152                 attrs = TALLOC_ZERO_ARRAY(p->mem_ctx, enum lsa_SidType, num_rids);
2153                 wire_attrs = TALLOC_ZERO_ARRAY(p->mem_ctx, uint32, num_rids);
2154
2155                 if ((names == NULL) || (attrs == NULL) || (wire_attrs==NULL))
2156                         return NT_STATUS_NO_MEMORY;
2157         } else {
2158                 names = NULL;
2159                 attrs = NULL;
2160                 wire_attrs = NULL;
2161         }
2162
2163         become_root();  /* lookup_sid can require root privs */
2164         status = pdb_lookup_rids(&dinfo->sid, num_rids, r->in.rids,
2165                                  names, attrs);
2166         unbecome_root();
2167
2168         if (NT_STATUS_EQUAL(status, NT_STATUS_NONE_MAPPED) && (num_rids == 0)) {
2169                 status = NT_STATUS_OK;
2170         }
2171
2172         if (!make_samr_lookup_rids(p->mem_ctx, num_rids, names,
2173                                    &lsa_names)) {
2174                 return NT_STATUS_NO_MEMORY;
2175         }
2176
2177         /* Convert from enum lsa_SidType to uint32 for wire format. */
2178         for (i = 0; i < num_rids; i++) {
2179                 wire_attrs[i] = (uint32)attrs[i];
2180         }
2181
2182         names_array.count = num_rids;
2183         names_array.names = lsa_names;
2184
2185         types_array.count = num_rids;
2186         types_array.ids = wire_attrs;
2187
2188         *r->out.names = names_array;
2189         *r->out.types = types_array;
2190
2191         DEBUG(5,("_samr_LookupRids: %d\n", __LINE__));
2192
2193         return status;
2194 }
2195
2196 /*******************************************************************
2197  _samr_OpenUser
2198 ********************************************************************/
2199
2200 NTSTATUS _samr_OpenUser(pipes_struct *p,
2201                         struct samr_OpenUser *r)
2202 {
2203         struct samu *sampass=NULL;
2204         DOM_SID sid;
2205         struct samr_domain_info *dinfo;
2206         struct samr_user_info *uinfo;
2207         SEC_DESC *psd = NULL;
2208         uint32    acc_granted;
2209         uint32    des_access = r->in.access_mask;
2210         size_t    sd_size;
2211         bool ret;
2212         NTSTATUS nt_status;
2213         SE_PRIV se_rights;
2214         NTSTATUS status;
2215
2216         dinfo = policy_handle_find(p, r->in.domain_handle,
2217                                    SAMR_DOMAIN_ACCESS_OPEN_ACCOUNT, NULL,
2218                                    struct samr_domain_info, &status);
2219         if (!NT_STATUS_IS_OK(status)) {
2220                 return status;
2221         }
2222
2223         if ( !(sampass = samu_new( p->mem_ctx )) ) {
2224                 return NT_STATUS_NO_MEMORY;
2225         }
2226
2227         /* append the user's RID to it */
2228
2229         if (!sid_compose(&sid, &dinfo->sid, r->in.rid))
2230                 return NT_STATUS_NO_SUCH_USER;
2231
2232         /* check if access can be granted as requested by client. */
2233
2234         map_max_allowed_access(p->server_info->ptok, &des_access);
2235
2236         make_samr_object_sd(p->mem_ctx, &psd, &sd_size, &usr_generic_mapping, &sid, SAMR_USR_RIGHTS_WRITE_PW);
2237         se_map_generic(&des_access, &usr_generic_mapping);
2238
2239         se_priv_copy( &se_rights, &se_machine_account );
2240         se_priv_add( &se_rights, &se_add_users );
2241
2242         nt_status = access_check_samr_object(psd, p->server_info->ptok,
2243                 &se_rights, GENERIC_RIGHTS_USER_WRITE, des_access,
2244                 &acc_granted, "_samr_OpenUser");
2245
2246         if ( !NT_STATUS_IS_OK(nt_status) )
2247                 return nt_status;
2248
2249         become_root();
2250         ret=pdb_getsampwsid(sampass, &sid);
2251         unbecome_root();
2252
2253         /* check that the SID exists in our domain. */
2254         if (ret == False) {
2255                 return NT_STATUS_NO_SUCH_USER;
2256         }
2257
2258         TALLOC_FREE(sampass);
2259
2260         uinfo = policy_handle_create(p, r->out.user_handle, acc_granted,
2261                                      struct samr_user_info, &nt_status);
2262         if (!NT_STATUS_IS_OK(nt_status)) {
2263                 return nt_status;
2264         }
2265         uinfo->sid = sid;
2266
2267         return NT_STATUS_OK;
2268 }
2269
2270 /*************************************************************************
2271  *************************************************************************/
2272
2273 static NTSTATUS init_samr_parameters_string(TALLOC_CTX *mem_ctx,
2274                                             DATA_BLOB *blob,
2275                                             struct lsa_BinaryString **_r)
2276 {
2277         struct lsa_BinaryString *r;
2278
2279         if (!blob || !_r) {
2280                 return NT_STATUS_INVALID_PARAMETER;
2281         }
2282
2283         r = TALLOC_ZERO_P(mem_ctx, struct lsa_BinaryString);
2284         if (!r) {
2285                 return NT_STATUS_NO_MEMORY;
2286         }
2287
2288         r->array = TALLOC_ZERO_ARRAY(mem_ctx, uint16_t, blob->length/2);
2289         if (!r->array) {
2290                 return NT_STATUS_NO_MEMORY;
2291         }
2292         memcpy(r->array, blob->data, blob->length);
2293         r->size = blob->length;
2294         r->length = blob->length;
2295
2296         if (!r->array) {
2297                 return NT_STATUS_NO_MEMORY;
2298         }
2299
2300         *_r = r;
2301
2302         return NT_STATUS_OK;
2303 }
2304
2305 /*************************************************************************
2306  get_user_info_1.
2307  *************************************************************************/
2308
2309 static NTSTATUS get_user_info_1(TALLOC_CTX *mem_ctx,
2310                                 struct samr_UserInfo1 *r,
2311                                 struct samu *pw,
2312                                 DOM_SID *domain_sid)
2313 {
2314         const DOM_SID *sid_group;
2315         uint32_t primary_gid;
2316
2317         become_root();
2318         sid_group = pdb_get_group_sid(pw);
2319         unbecome_root();
2320
2321         if (!sid_peek_check_rid(domain_sid, sid_group, &primary_gid)) {
2322                 DEBUG(0, ("get_user_info_1: User %s has Primary Group SID %s, \n"
2323                           "which conflicts with the domain sid %s.  Failing operation.\n",
2324                           pdb_get_username(pw), sid_string_dbg(sid_group),
2325                           sid_string_dbg(domain_sid)));
2326                 return NT_STATUS_UNSUCCESSFUL;
2327         }
2328
2329         r->account_name.string          = talloc_strdup(mem_ctx, pdb_get_username(pw));
2330         r->full_name.string             = talloc_strdup(mem_ctx, pdb_get_fullname(pw));
2331         r->primary_gid                  = primary_gid;
2332         r->description.string           = talloc_strdup(mem_ctx, pdb_get_acct_desc(pw));
2333         r->comment.string               = talloc_strdup(mem_ctx, pdb_get_comment(pw));
2334
2335         return NT_STATUS_OK;
2336 }
2337
2338 /*************************************************************************
2339  get_user_info_2.
2340  *************************************************************************/
2341
2342 static NTSTATUS get_user_info_2(TALLOC_CTX *mem_ctx,
2343                                 struct samr_UserInfo2 *r,
2344                                 struct samu *pw)
2345 {
2346         r->comment.string               = talloc_strdup(mem_ctx, pdb_get_comment(pw));
2347         r->unknown.string               = NULL;
2348         r->country_code                 = 0;
2349         r->code_page                    = 0;
2350
2351         return NT_STATUS_OK;
2352 }
2353
2354 /*************************************************************************
2355  get_user_info_3.
2356  *************************************************************************/
2357
2358 static NTSTATUS get_user_info_3(TALLOC_CTX *mem_ctx,
2359                                 struct samr_UserInfo3 *r,
2360                                 struct samu *pw,
2361                                 DOM_SID *domain_sid)
2362 {
2363         const DOM_SID *sid_user, *sid_group;
2364         uint32_t rid, primary_gid;
2365
2366         sid_user = pdb_get_user_sid(pw);
2367
2368         if (!sid_peek_check_rid(domain_sid, sid_user, &rid)) {
2369                 DEBUG(0, ("get_user_info_3: User %s has SID %s, \nwhich conflicts with "
2370                           "the domain sid %s.  Failing operation.\n",
2371                           pdb_get_username(pw), sid_string_dbg(sid_user),
2372                           sid_string_dbg(domain_sid)));
2373                 return NT_STATUS_UNSUCCESSFUL;
2374         }
2375
2376         become_root();
2377         sid_group = pdb_get_group_sid(pw);
2378         unbecome_root();
2379
2380         if (!sid_peek_check_rid(domain_sid, sid_group, &primary_gid)) {
2381                 DEBUG(0, ("get_user_info_3: User %s has Primary Group SID %s, \n"
2382                           "which conflicts with the domain sid %s.  Failing operation.\n",
2383                           pdb_get_username(pw), sid_string_dbg(sid_group),
2384                           sid_string_dbg(domain_sid)));
2385                 return NT_STATUS_UNSUCCESSFUL;
2386         }
2387
2388         unix_to_nt_time(&r->last_logon, pdb_get_logon_time(pw));
2389         unix_to_nt_time(&r->last_logoff, pdb_get_logoff_time(pw));
2390         unix_to_nt_time(&r->last_password_change, pdb_get_pass_last_set_time(pw));
2391         unix_to_nt_time(&r->allow_password_change, pdb_get_pass_can_change_time(pw));
2392         unix_to_nt_time(&r->force_password_change, pdb_get_pass_must_change_time(pw));
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->home_directory.string= talloc_strdup(mem_ctx, pdb_get_homedir(pw));
2397         r->home_drive.string    = talloc_strdup(mem_ctx, pdb_get_dir_drive(pw));
2398         r->logon_script.string  = talloc_strdup(mem_ctx, pdb_get_logon_script(pw));
2399         r->profile_path.string  = talloc_strdup(mem_ctx, pdb_get_profile_path(pw));
2400         r->workstations.string  = talloc_strdup(mem_ctx, pdb_get_workstations(pw));
2401
2402         r->logon_hours          = get_logon_hours_from_pdb(mem_ctx, pw);
2403         r->rid                  = rid;
2404         r->primary_gid          = primary_gid;
2405         r->acct_flags           = pdb_get_acct_ctrl(pw);
2406         r->bad_password_count   = pdb_get_bad_password_count(pw);
2407         r->logon_count          = pdb_get_logon_count(pw);
2408
2409         return NT_STATUS_OK;
2410 }
2411
2412 /*************************************************************************
2413  get_user_info_4.
2414  *************************************************************************/
2415
2416 static NTSTATUS get_user_info_4(TALLOC_CTX *mem_ctx,
2417                                 struct samr_UserInfo4 *r,
2418                                 struct samu *pw)
2419 {
2420         r->logon_hours          = get_logon_hours_from_pdb(mem_ctx, pw);
2421
2422         return NT_STATUS_OK;
2423 }
2424
2425 /*************************************************************************
2426  get_user_info_5.
2427  *************************************************************************/
2428
2429 static NTSTATUS get_user_info_5(TALLOC_CTX *mem_ctx,
2430                                 struct samr_UserInfo5 *r,
2431                                 struct samu *pw,
2432                                 DOM_SID *domain_sid)
2433 {
2434         const DOM_SID *sid_user, *sid_group;
2435         uint32_t rid, primary_gid;
2436
2437         sid_user = pdb_get_user_sid(pw);
2438
2439         if (!sid_peek_check_rid(domain_sid, sid_user, &rid)) {
2440                 DEBUG(0, ("get_user_info_5: User %s has SID %s, \nwhich conflicts with "
2441                           "the domain sid %s.  Failing operation.\n",
2442                           pdb_get_username(pw), sid_string_dbg(sid_user),
2443                           sid_string_dbg(domain_sid)));
2444                 return NT_STATUS_UNSUCCESSFUL;
2445         }
2446
2447         become_root();
2448         sid_group = pdb_get_group_sid(pw);
2449         unbecome_root();
2450
2451         if (!sid_peek_check_rid(domain_sid, sid_group, &primary_gid)) {
2452                 DEBUG(0, ("get_user_info_5: User %s has Primary Group SID %s, \n"
2453                           "which conflicts with the domain sid %s.  Failing operation.\n",
2454                           pdb_get_username(pw), sid_string_dbg(sid_group),
2455                           sid_string_dbg(domain_sid)));
2456                 return NT_STATUS_UNSUCCESSFUL;
2457         }
2458
2459         unix_to_nt_time(&r->last_logon, pdb_get_logon_time(pw));
2460         unix_to_nt_time(&r->last_logoff, pdb_get_logoff_time(pw));
2461         unix_to_nt_time(&r->acct_expiry, pdb_get_kickoff_time(pw));
2462         unix_to_nt_time(&r->last_password_change, pdb_get_pass_last_set_time(pw));
2463
2464         r->account_name.string  = talloc_strdup(mem_ctx, pdb_get_username(pw));
2465         r->full_name.string     = talloc_strdup(mem_ctx, pdb_get_fullname(pw));
2466         r->home_directory.string= talloc_strdup(mem_ctx, pdb_get_homedir(pw));
2467         r->home_drive.string    = talloc_strdup(mem_ctx, pdb_get_dir_drive(pw));
2468         r->logon_script.string  = talloc_strdup(mem_ctx, pdb_get_logon_script(pw));
2469         r->profile_path.string  = talloc_strdup(mem_ctx, pdb_get_profile_path(pw));
2470         r->description.string   = talloc_strdup(mem_ctx, pdb_get_acct_desc(pw));
2471         r->workstations.string  = talloc_strdup(mem_ctx, pdb_get_workstations(pw));
2472
2473         r->logon_hours          = get_logon_hours_from_pdb(mem_ctx, pw);
2474         r->rid                  = rid;
2475         r->primary_gid          = primary_gid;
2476         r->acct_flags           = pdb_get_acct_ctrl(pw);
2477         r->bad_password_count   = pdb_get_bad_password_count(pw);
2478         r->logon_count          = pdb_get_logon_count(pw);
2479
2480         return NT_STATUS_OK;
2481 }
2482
2483 /*************************************************************************
2484  get_user_info_6.
2485  *************************************************************************/
2486
2487 static NTSTATUS get_user_info_6(TALLOC_CTX *mem_ctx,
2488                                 struct samr_UserInfo6 *r,
2489                                 struct samu *pw)
2490 {
2491         r->account_name.string  = talloc_strdup(mem_ctx, pdb_get_username(pw));
2492         r->full_name.string     = talloc_strdup(mem_ctx, pdb_get_fullname(pw));
2493
2494         return NT_STATUS_OK;
2495 }
2496
2497 /*************************************************************************
2498  get_user_info_7. Safe. Only gives out account_name.
2499  *************************************************************************/
2500
2501 static NTSTATUS get_user_info_7(TALLOC_CTX *mem_ctx,
2502                                 struct samr_UserInfo7 *r,
2503                                 struct samu *smbpass)
2504 {
2505         r->account_name.string = talloc_strdup(mem_ctx, pdb_get_username(smbpass));
2506         if (!r->account_name.string) {
2507                 return NT_STATUS_NO_MEMORY;
2508         }
2509
2510         return NT_STATUS_OK;
2511 }
2512
2513 /*************************************************************************
2514  get_user_info_8.
2515  *************************************************************************/
2516
2517 static NTSTATUS get_user_info_8(TALLOC_CTX *mem_ctx,
2518                                 struct samr_UserInfo8 *r,
2519                                 struct samu *pw)
2520 {
2521         r->full_name.string     = talloc_strdup(mem_ctx, pdb_get_fullname(pw));
2522
2523         return NT_STATUS_OK;
2524 }
2525
2526 /*************************************************************************
2527  get_user_info_9. Only gives out primary group SID.
2528  *************************************************************************/
2529
2530 static NTSTATUS get_user_info_9(TALLOC_CTX *mem_ctx,
2531                                 struct samr_UserInfo9 *r,
2532                                 struct samu *smbpass)
2533 {
2534         r->primary_gid = pdb_get_group_rid(smbpass);
2535
2536         return NT_STATUS_OK;
2537 }
2538
2539 /*************************************************************************
2540  get_user_info_10.
2541  *************************************************************************/
2542
2543 static NTSTATUS get_user_info_10(TALLOC_CTX *mem_ctx,
2544                                  struct samr_UserInfo10 *r,
2545                                  struct samu *pw)
2546 {
2547         r->home_directory.string= talloc_strdup(mem_ctx, pdb_get_homedir(pw));
2548         r->home_drive.string    = talloc_strdup(mem_ctx, pdb_get_dir_drive(pw));
2549
2550         return NT_STATUS_OK;
2551 }
2552
2553 /*************************************************************************
2554  get_user_info_11.
2555  *************************************************************************/
2556
2557 static NTSTATUS get_user_info_11(TALLOC_CTX *mem_ctx,
2558                                  struct samr_UserInfo11 *r,
2559                                  struct samu *pw)
2560 {
2561         r->logon_script.string  = talloc_strdup(mem_ctx, pdb_get_logon_script(pw));
2562
2563         return NT_STATUS_OK;
2564 }
2565
2566 /*************************************************************************
2567  get_user_info_12.
2568  *************************************************************************/
2569
2570 static NTSTATUS get_user_info_12(TALLOC_CTX *mem_ctx,
2571                                  struct samr_UserInfo12 *r,
2572                                  struct samu *pw)
2573 {
2574         r->profile_path.string  = talloc_strdup(mem_ctx, pdb_get_profile_path(pw));
2575
2576         return NT_STATUS_OK;
2577 }
2578
2579 /*************************************************************************
2580  get_user_info_13.
2581  *************************************************************************/
2582
2583 static NTSTATUS get_user_info_13(TALLOC_CTX *mem_ctx,
2584                                  struct samr_UserInfo13 *r,
2585                                  struct samu *pw)
2586 {
2587         r->description.string   = talloc_strdup(mem_ctx, pdb_get_acct_desc(pw));
2588
2589         return NT_STATUS_OK;
2590 }
2591
2592 /*************************************************************************
2593  get_user_info_14.
2594  *************************************************************************/
2595
2596 static NTSTATUS get_user_info_14(TALLOC_CTX *mem_ctx,
2597                                  struct samr_UserInfo14 *r,
2598                                  struct samu *pw)
2599 {
2600         r->workstations.string  = talloc_strdup(mem_ctx, pdb_get_workstations(pw));
2601
2602         return NT_STATUS_OK;
2603 }
2604
2605 /*************************************************************************
2606  get_user_info_16. Safe. Only gives out acb bits.
2607  *************************************************************************/
2608
2609 static NTSTATUS get_user_info_16(TALLOC_CTX *mem_ctx,
2610                                  struct samr_UserInfo16 *r,
2611                                  struct samu *smbpass)
2612 {
2613         r->acct_flags = pdb_get_acct_ctrl(smbpass);
2614
2615         return NT_STATUS_OK;
2616 }
2617
2618 /*************************************************************************
2619  get_user_info_17.
2620  *************************************************************************/
2621
2622 static NTSTATUS get_user_info_17(TALLOC_CTX *mem_ctx,
2623                                  struct samr_UserInfo17 *r,
2624                                  struct samu *pw)
2625 {
2626         unix_to_nt_time(&r->acct_expiry, pdb_get_kickoff_time(pw));
2627
2628         return NT_STATUS_OK;
2629 }
2630
2631 /*************************************************************************
2632  get_user_info_18. OK - this is the killer as it gives out password info.
2633  Ensure that this is only allowed on an encrypted connection with a root
2634  user. JRA.
2635  *************************************************************************/
2636
2637 static NTSTATUS get_user_info_18(pipes_struct *p,
2638                                  TALLOC_CTX *mem_ctx,
2639                                  struct samr_UserInfo18 *r,
2640                                  DOM_SID *user_sid)
2641 {
2642         struct samu *smbpass=NULL;
2643         bool ret;
2644
2645         ZERO_STRUCTP(r);
2646
2647         if (p->auth.auth_type != PIPE_AUTH_TYPE_NTLMSSP || p->auth.auth_type != PIPE_AUTH_TYPE_SPNEGO_NTLMSSP) {
2648                 return NT_STATUS_ACCESS_DENIED;
2649         }
2650
2651         if (p->auth.auth_level != PIPE_AUTH_LEVEL_PRIVACY) {
2652                 return NT_STATUS_ACCESS_DENIED;
2653         }
2654
2655         /*
2656          * Do *NOT* do become_root()/unbecome_root() here ! JRA.
2657          */
2658
2659         if ( !(smbpass = samu_new( mem_ctx )) ) {
2660                 return NT_STATUS_NO_MEMORY;
2661         }
2662
2663         ret = pdb_getsampwsid(smbpass, user_sid);
2664
2665         if (ret == False) {
2666                 DEBUG(4, ("User %s not found\n", sid_string_dbg(user_sid)));
2667                 TALLOC_FREE(smbpass);
2668                 return (geteuid() == (uid_t)0) ? NT_STATUS_NO_SUCH_USER : NT_STATUS_ACCESS_DENIED;
2669         }
2670
2671         DEBUG(3,("User:[%s] 0x%x\n", pdb_get_username(smbpass), pdb_get_acct_ctrl(smbpass) ));
2672
2673         if ( pdb_get_acct_ctrl(smbpass) & ACB_DISABLED) {
2674                 TALLOC_FREE(smbpass);
2675                 return NT_STATUS_ACCOUNT_DISABLED;
2676         }
2677
2678         r->lm_pwd_active = true;
2679         r->nt_pwd_active = true;
2680         memcpy(r->lm_pwd.hash, pdb_get_lanman_passwd(smbpass), 16);
2681         memcpy(r->nt_pwd.hash, pdb_get_nt_passwd(smbpass), 16);
2682         r->password_expired = 0; /* FIXME */
2683
2684         TALLOC_FREE(smbpass);
2685
2686         return NT_STATUS_OK;
2687 }
2688
2689 /*************************************************************************
2690  get_user_info_20
2691  *************************************************************************/
2692
2693 static NTSTATUS get_user_info_20(TALLOC_CTX *mem_ctx,
2694                                  struct samr_UserInfo20 *r,
2695                                  struct samu *sampass)
2696 {
2697         const char *munged_dial = NULL;
2698         DATA_BLOB blob;
2699         NTSTATUS status;
2700         struct lsa_BinaryString *parameters = NULL;
2701
2702         ZERO_STRUCTP(r);
2703
2704         munged_dial = pdb_get_munged_dial(sampass);
2705
2706         DEBUG(3,("User:[%s] has [%s] (length: %d)\n", pdb_get_username(sampass),
2707                 munged_dial, (int)strlen(munged_dial)));
2708
2709         if (munged_dial) {
2710                 blob = base64_decode_data_blob(munged_dial);
2711         } else {
2712                 blob = data_blob_string_const_null("");
2713         }
2714
2715         status = init_samr_parameters_string(mem_ctx, &blob, &parameters);
2716         data_blob_free(&blob);
2717         if (!NT_STATUS_IS_OK(status)) {
2718                 return status;
2719         }
2720
2721         r->parameters = *parameters;
2722
2723         return NT_STATUS_OK;
2724 }
2725
2726
2727 /*************************************************************************
2728  get_user_info_21
2729  *************************************************************************/
2730
2731 static NTSTATUS get_user_info_21(TALLOC_CTX *mem_ctx,
2732                                  struct samr_UserInfo21 *r,
2733                                  struct samu *pw,
2734                                  DOM_SID *domain_sid)
2735 {
2736         NTSTATUS status;
2737         const DOM_SID *sid_user, *sid_group;
2738         uint32_t rid, primary_gid;
2739         NTTIME force_password_change;
2740         time_t must_change_time;
2741         struct lsa_BinaryString *parameters = NULL;
2742         const char *munged_dial = NULL;
2743         DATA_BLOB blob;
2744
2745         ZERO_STRUCTP(r);
2746
2747         sid_user = pdb_get_user_sid(pw);
2748
2749         if (!sid_peek_check_rid(domain_sid, sid_user, &rid)) {
2750                 DEBUG(0, ("get_user_info_21: User %s has SID %s, \nwhich conflicts with "
2751                           "the domain sid %s.  Failing operation.\n",
2752                           pdb_get_username(pw), sid_string_dbg(sid_user),
2753                           sid_string_dbg(domain_sid)));
2754                 return NT_STATUS_UNSUCCESSFUL;
2755         }
2756
2757         become_root();
2758         sid_group = pdb_get_group_sid(pw);
2759         unbecome_root();
2760
2761         if (!sid_peek_check_rid(domain_sid, sid_group, &primary_gid)) {
2762                 DEBUG(0, ("get_user_info_21: User %s has Primary Group SID %s, \n"
2763                           "which conflicts with the domain sid %s.  Failing operation.\n",
2764                           pdb_get_username(pw), sid_string_dbg(sid_group),
2765                           sid_string_dbg(domain_sid)));
2766                 return NT_STATUS_UNSUCCESSFUL;
2767         }
2768
2769         unix_to_nt_time(&r->last_logon, pdb_get_logon_time(pw));
2770         unix_to_nt_time(&r->last_logoff, pdb_get_logoff_time(pw));
2771         unix_to_nt_time(&r->acct_expiry, pdb_get_kickoff_time(pw));
2772         unix_to_nt_time(&r->last_password_change, pdb_get_pass_last_set_time(pw));
2773         unix_to_nt_time(&r->allow_password_change, pdb_get_pass_can_change_time(pw));
2774
2775         must_change_time = pdb_get_pass_must_change_time(pw);
2776         if (must_change_time == get_time_t_max()) {
2777                 unix_to_nt_time_abs(&force_password_change, must_change_time);
2778         } else {
2779                 unix_to_nt_time(&force_password_change, must_change_time);
2780         }
2781
2782         munged_dial = pdb_get_munged_dial(pw);
2783         if (munged_dial) {
2784                 blob = base64_decode_data_blob(munged_dial);
2785         } else {
2786                 blob = data_blob_string_const_null("");
2787         }
2788
2789         status = init_samr_parameters_string(mem_ctx, &blob, &parameters);
2790         data_blob_free(&blob);
2791         if (!NT_STATUS_IS_OK(status)) {
2792                 return status;
2793         }
2794
2795         r->force_password_change        = force_password_change;
2796
2797         r->account_name.string          = talloc_strdup(mem_ctx, pdb_get_username(pw));
2798         r->full_name.string             = talloc_strdup(mem_ctx, pdb_get_fullname(pw));
2799         r->home_directory.string        = talloc_strdup(mem_ctx, pdb_get_homedir(pw));
2800         r->home_drive.string            = talloc_strdup(mem_ctx, pdb_get_dir_drive(pw));
2801         r->logon_script.string          = talloc_strdup(mem_ctx, pdb_get_logon_script(pw));
2802         r->profile_path.string          = talloc_strdup(mem_ctx, pdb_get_profile_path(pw));
2803         r->description.string           = talloc_strdup(mem_ctx, pdb_get_acct_desc(pw));
2804         r->workstations.string          = talloc_strdup(mem_ctx, pdb_get_workstations(pw));
2805         r->comment.string               = talloc_strdup(mem_ctx, pdb_get_comment(pw));
2806
2807         r->logon_hours                  = get_logon_hours_from_pdb(mem_ctx, pw);
2808         r->parameters                   = *parameters;
2809         r->rid                          = rid;
2810         r->primary_gid                  = primary_gid;
2811         r->acct_flags                   = pdb_get_acct_ctrl(pw);
2812         r->bad_password_count           = pdb_get_bad_password_count(pw);
2813         r->logon_count                  = pdb_get_logon_count(pw);
2814         r->fields_present               = pdb_build_fields_present(pw);
2815         r->password_expired             = (pdb_get_pass_must_change_time(pw) == 0) ?
2816                                                 PASS_MUST_CHANGE_AT_NEXT_LOGON : 0;
2817         r->country_code                 = 0;
2818         r->code_page                    = 0;
2819         r->lm_password_set              = 0;
2820         r->nt_password_set              = 0;
2821
2822 #if 0
2823
2824         /*
2825           Look at a user on a real NT4 PDC with usrmgr, press
2826           'ok'. Then you will see that fields_present is set to
2827           0x08f827fa. Look at the user immediately after that again,
2828           and you will see that 0x00fffff is returned. This solves
2829           the problem that you get access denied after having looked
2830           at the user.
2831           -- Volker
2832         */
2833
2834 #endif
2835
2836
2837         return NT_STATUS_OK;
2838 }
2839
2840 /*******************************************************************
2841  _samr_QueryUserInfo
2842  ********************************************************************/
2843
2844 NTSTATUS _samr_QueryUserInfo(pipes_struct *p,
2845                              struct samr_QueryUserInfo *r)
2846 {
2847         NTSTATUS status;
2848         union samr_UserInfo *user_info = NULL;
2849         struct samr_user_info *uinfo;
2850         DOM_SID domain_sid;
2851         uint32 rid;
2852         bool ret = false;
2853         struct samu *pwd = NULL;
2854
2855         uinfo = policy_handle_find(p, r->in.user_handle,
2856                                    SAMR_USER_ACCESS_GET_ATTRIBUTES, NULL,
2857                                    struct samr_user_info, &status);
2858         if (!NT_STATUS_IS_OK(status)) {
2859                 return status;
2860         }
2861
2862         domain_sid = uinfo->sid;
2863
2864         sid_split_rid(&domain_sid, &rid);
2865
2866         if (!sid_check_is_in_our_domain(&uinfo->sid))
2867                 return NT_STATUS_OBJECT_TYPE_MISMATCH;
2868
2869         DEBUG(5,("_samr_QueryUserInfo: sid:%s\n",
2870                  sid_string_dbg(&uinfo->sid)));
2871
2872         user_info = TALLOC_ZERO_P(p->mem_ctx, union samr_UserInfo);
2873         if (!user_info) {
2874                 return NT_STATUS_NO_MEMORY;
2875         }
2876
2877         DEBUG(5,("_samr_QueryUserInfo: user info level: %d\n", r->in.level));
2878
2879         if (!(pwd = samu_new(p->mem_ctx))) {
2880                 return NT_STATUS_NO_MEMORY;
2881         }
2882
2883         become_root();
2884         ret = pdb_getsampwsid(pwd, &uinfo->sid);
2885         unbecome_root();
2886
2887         if (ret == false) {
2888                 DEBUG(4,("User %s not found\n", sid_string_dbg(&uinfo->sid)));
2889                 TALLOC_FREE(pwd);
2890                 return NT_STATUS_NO_SUCH_USER;
2891         }
2892
2893         DEBUG(3,("User:[%s]\n", pdb_get_username(pwd)));
2894
2895         samr_clear_sam_passwd(pwd);
2896
2897         switch (r->in.level) {
2898         case 1:
2899                 status = get_user_info_1(p->mem_ctx, &user_info->info1, pwd, &domain_sid);
2900                 break;
2901         case 2:
2902                 status = get_user_info_2(p->mem_ctx, &user_info->info2, pwd);
2903                 break;
2904         case 3:
2905                 status = get_user_info_3(p->mem_ctx, &user_info->info3, pwd, &domain_sid);
2906                 break;
2907         case 4:
2908                 status = get_user_info_4(p->mem_ctx, &user_info->info4, pwd);
2909                 break;
2910         case 5:
2911                 status = get_user_info_5(p->mem_ctx, &user_info->info5, pwd, &domain_sid);
2912                 break;
2913         case 6:
2914                 status = get_user_info_6(p->mem_ctx, &user_info->info6, pwd);
2915                 break;
2916         case 7:
2917                 status = get_user_info_7(p->mem_ctx, &user_info->info7, pwd);
2918                 break;
2919         case 8:
2920                 status = get_user_info_8(p->mem_ctx, &user_info->info8, pwd);
2921                 break;
2922         case 9:
2923                 status = get_user_info_9(p->mem_ctx, &user_info->info9, pwd);
2924                 break;
2925         case 10:
2926                 status = get_user_info_10(p->mem_ctx, &user_info->info10, pwd);
2927                 break;
2928         case 11:
2929                 status = get_user_info_11(p->mem_ctx, &user_info->info11, pwd);
2930                 break;
2931         case 12:
2932                 status = get_user_info_12(p->mem_ctx, &user_info->info12, pwd);
2933                 break;
2934         case 13:
2935                 status = get_user_info_13(p->mem_ctx, &user_info->info13, pwd);
2936                 break;
2937         case 14:
2938                 status = get_user_info_14(p->mem_ctx, &user_info->info14, pwd);
2939                 break;
2940         case 16:
2941                 status = get_user_info_16(p->mem_ctx, &user_info->info16, pwd);
2942                 break;
2943         case 17:
2944                 status = get_user_info_17(p->mem_ctx, &user_info->info17, pwd);
2945                 break;
2946         case 18:
2947                 /* level 18 is special */
2948                 status = get_user_info_18(p, p->mem_ctx, &user_info->info18,
2949                                           &uinfo->sid);
2950                 break;
2951         case 20:
2952                 status = get_user_info_20(p->mem_ctx, &user_info->info20, pwd);
2953                 break;
2954         case 21:
2955                 status = get_user_info_21(p->mem_ctx, &user_info->info21, pwd, &domain_sid);
2956                 break;
2957         default:
2958                 status = NT_STATUS_INVALID_INFO_CLASS;
2959                 break;
2960         }
2961
2962         TALLOC_FREE(pwd);
2963
2964         *r->out.info = user_info;
2965
2966         DEBUG(5,("_samr_QueryUserInfo: %d\n", __LINE__));
2967
2968         return status;
2969 }
2970
2971 /****************************************************************
2972 ****************************************************************/
2973
2974 NTSTATUS _samr_QueryUserInfo2(pipes_struct *p,
2975                               struct samr_QueryUserInfo2 *r)
2976 {
2977         struct samr_QueryUserInfo u;
2978
2979         u.in.user_handle        = r->in.user_handle;
2980         u.in.level              = r->in.level;
2981         u.out.info              = r->out.info;
2982
2983         return _samr_QueryUserInfo(p, &u);
2984 }
2985
2986 /*******************************************************************
2987  _samr_GetGroupsForUser
2988  ********************************************************************/
2989
2990 NTSTATUS _samr_GetGroupsForUser(pipes_struct *p,
2991                                 struct samr_GetGroupsForUser *r)
2992 {
2993         struct samr_user_info *uinfo;
2994         struct samu *sam_pass=NULL;
2995         DOM_SID *sids;
2996         struct samr_RidWithAttribute dom_gid;
2997         struct samr_RidWithAttribute *gids = NULL;
2998         uint32 primary_group_rid;
2999         size_t num_groups = 0;
3000         gid_t *unix_gids;
3001         size_t i, num_gids;
3002         bool ret;
3003         NTSTATUS result;
3004         bool success = False;
3005
3006         struct samr_RidWithAttributeArray *rids = NULL;
3007
3008         /*
3009          * from the SID in the request:
3010          * we should send back the list of DOMAIN GROUPS
3011          * the user is a member of
3012          *
3013          * and only the DOMAIN GROUPS
3014          * no ALIASES !!! neither aliases of the domain
3015          * nor aliases of the builtin SID
3016          *
3017          * JFM, 12/2/2001
3018          */
3019
3020         DEBUG(5,("_samr_GetGroupsForUser: %d\n", __LINE__));
3021
3022         uinfo = policy_handle_find(p, r->in.user_handle,
3023                                    SAMR_USER_ACCESS_GET_GROUPS, NULL,
3024                                    struct samr_user_info, &result);
3025         if (!NT_STATUS_IS_OK(result)) {
3026                 return result;
3027         }
3028
3029         rids = TALLOC_ZERO_P(p->mem_ctx, struct samr_RidWithAttributeArray);
3030         if (!rids) {
3031                 return NT_STATUS_NO_MEMORY;
3032         }
3033
3034         if (!sid_check_is_in_our_domain(&uinfo->sid))
3035                 return NT_STATUS_OBJECT_TYPE_MISMATCH;
3036
3037         if ( !(sam_pass = samu_new( p->mem_ctx )) ) {
3038                 return NT_STATUS_NO_MEMORY;
3039         }
3040
3041         become_root();
3042         ret = pdb_getsampwsid(sam_pass, &uinfo->sid);
3043         unbecome_root();
3044
3045         if (!ret) {
3046                 DEBUG(10, ("pdb_getsampwsid failed for %s\n",
3047                            sid_string_dbg(&uinfo->sid)));
3048                 return NT_STATUS_NO_SUCH_USER;
3049         }
3050
3051         sids = NULL;
3052
3053         /* make both calls inside the root block */
3054         become_root();
3055         result = pdb_enum_group_memberships(p->mem_ctx, sam_pass,
3056                                             &sids, &unix_gids, &num_groups);
3057         if ( NT_STATUS_IS_OK(result) ) {
3058                 success = sid_peek_check_rid(get_global_sam_sid(),
3059                                              pdb_get_group_sid(sam_pass),
3060                                              &primary_group_rid);
3061         }
3062         unbecome_root();
3063
3064         if (!NT_STATUS_IS_OK(result)) {
3065                 DEBUG(10, ("pdb_enum_group_memberships failed for %s\n",
3066                            sid_string_dbg(&uinfo->sid)));
3067                 return result;
3068         }
3069
3070         if ( !success ) {
3071                 DEBUG(5, ("Group sid %s for user %s not in our domain\n",
3072                           sid_string_dbg(pdb_get_group_sid(sam_pass)),
3073                           pdb_get_username(sam_pass)));
3074                 TALLOC_FREE(sam_pass);
3075                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
3076         }
3077
3078         gids = NULL;
3079         num_gids = 0;
3080
3081         dom_gid.attributes = (SE_GROUP_MANDATORY|SE_GROUP_ENABLED_BY_DEFAULT|
3082                               SE_GROUP_ENABLED);
3083         dom_gid.rid = primary_group_rid;
3084         ADD_TO_ARRAY(p->mem_ctx, struct samr_RidWithAttribute, dom_gid, &gids, &num_gids);
3085
3086         for (i=0; i<num_groups; i++) {
3087
3088                 if (!sid_peek_check_rid(get_global_sam_sid(),
3089                                         &(sids[i]), &dom_gid.rid)) {
3090                         DEBUG(10, ("Found sid %s not in our domain\n",
3091                                    sid_string_dbg(&sids[i])));
3092                         continue;
3093                 }
3094
3095                 if (dom_gid.rid == primary_group_rid) {
3096                         /* We added the primary group directly from the
3097                          * sam_account. The other SIDs are unique from
3098                          * enum_group_memberships */
3099                         continue;
3100                 }
3101
3102                 ADD_TO_ARRAY(p->mem_ctx, struct samr_RidWithAttribute, dom_gid, &gids, &num_gids);
3103         }
3104
3105         rids->count = num_gids;
3106         rids->rids = gids;
3107
3108         *r->out.rids = rids;
3109
3110         DEBUG(5,("_samr_GetGroupsForUser: %d\n", __LINE__));
3111
3112         return result;
3113 }
3114
3115 /*******************************************************************
3116  _samr_QueryDomainInfo
3117  ********************************************************************/
3118
3119 NTSTATUS _samr_QueryDomainInfo(pipes_struct *p,
3120                                struct samr_QueryDomainInfo *r)
3121 {
3122         NTSTATUS status = NT_STATUS_OK;
3123         struct samr_domain_info *dinfo;
3124         union samr_DomainInfo *dom_info;
3125         time_t u_expire, u_min_age;
3126
3127         time_t u_lock_duration, u_reset_time;
3128         uint32_t u_logout;
3129
3130         uint32 account_policy_temp;
3131
3132         time_t seq_num;
3133         uint32 server_role;
3134
3135         DEBUG(5,("_samr_QueryDomainInfo: %d\n", __LINE__));
3136
3137         dinfo = policy_handle_find(p, r->in.domain_handle,
3138                                    SAMR_ACCESS_LOOKUP_DOMAIN, NULL,
3139                                    struct samr_domain_info, &status);
3140         if (!NT_STATUS_IS_OK(status)) {
3141                 return status;
3142         }
3143
3144         dom_info = TALLOC_ZERO_P(p->mem_ctx, union samr_DomainInfo);
3145         if (!dom_info) {
3146                 return NT_STATUS_NO_MEMORY;
3147         }
3148
3149         switch (r->in.level) {
3150                 case 0x01:
3151
3152                         become_root();
3153
3154                         /* AS ROOT !!! */
3155
3156                         pdb_get_account_policy(AP_MIN_PASSWORD_LEN,
3157                                                &account_policy_temp);
3158                         dom_info->info1.min_password_length = account_policy_temp;
3159
3160                         pdb_get_account_policy(AP_PASSWORD_HISTORY, &account_policy_temp);
3161                         dom_info->info1.password_history_length = account_policy_temp;
3162
3163                         pdb_get_account_policy(AP_USER_MUST_LOGON_TO_CHG_PASS,
3164                                 &dom_info->info1.password_properties);
3165
3166                         pdb_get_account_policy(AP_MAX_PASSWORD_AGE, &account_policy_temp);
3167                         u_expire = account_policy_temp;
3168
3169                         pdb_get_account_policy(AP_MIN_PASSWORD_AGE, &account_policy_temp);
3170                         u_min_age = account_policy_temp;
3171
3172                         /* !AS ROOT */
3173
3174                         unbecome_root();
3175
3176                         unix_to_nt_time_abs((NTTIME *)&dom_info->info1.max_password_age, u_expire);
3177                         unix_to_nt_time_abs((NTTIME *)&dom_info->info1.min_password_age, u_min_age);
3178
3179                         if (lp_check_password_script() && *lp_check_password_script()) {
3180                                 dom_info->info1.password_properties |= DOMAIN_PASSWORD_COMPLEX;
3181                         }
3182
3183                         break;
3184                 case 0x02:
3185
3186                         become_root();
3187
3188                         /* AS ROOT !!! */
3189
3190                         dom_info->general.num_users     = count_sam_users(
3191                                 dinfo->disp_info, ACB_NORMAL);
3192                         dom_info->general.num_groups    = count_sam_groups(
3193                                 dinfo->disp_info);
3194                         dom_info->general.num_aliases   = count_sam_aliases(
3195                                 dinfo->disp_info);
3196
3197                         pdb_get_account_policy(AP_TIME_TO_LOGOUT, &u_logout);
3198
3199                         unix_to_nt_time_abs(&dom_info->general.force_logoff_time, u_logout);
3200
3201                         if (!pdb_get_seq_num(&seq_num))
3202                                 seq_num = time(NULL);
3203
3204                         /* !AS ROOT */
3205
3206                         unbecome_root();
3207
3208                         server_role = ROLE_DOMAIN_PDC;
3209                         if (lp_server_role() == ROLE_DOMAIN_BDC)
3210                                 server_role = ROLE_DOMAIN_BDC;
3211
3212                         dom_info->general.oem_information.string        = lp_serverstring();
3213                         dom_info->general.domain_name.string            = lp_workgroup();
3214                         dom_info->general.primary.string                = global_myname();
3215                         dom_info->general.sequence_num                  = seq_num;
3216                         dom_info->general.domain_server_state           = DOMAIN_SERVER_ENABLED;
3217                         dom_info->general.role                          = server_role;
3218                         dom_info->general.unknown3                      = 1;
3219
3220                         break;
3221                 case 0x03:
3222
3223                         become_root();
3224
3225                         /* AS ROOT !!! */
3226
3227                         {
3228                                 uint32 ul;
3229                                 pdb_get_account_policy(AP_TIME_TO_LOGOUT, &ul);
3230                                 u_logout = (time_t)ul;
3231                         }
3232
3233                         /* !AS ROOT */
3234
3235                         unbecome_root();
3236
3237                         unix_to_nt_time_abs(&dom_info->info3.force_logoff_time, u_logout);
3238
3239                         break;
3240                 case 0x04:
3241                         dom_info->oem.oem_information.string = lp_serverstring();
3242                         break;
3243                 case 0x05:
3244                         dom_info->info5.domain_name.string = get_global_sam_name();
3245                         break;
3246                 case 0x06:
3247                         /* NT returns its own name when a PDC. win2k and later
3248                          * only the name of the PDC if itself is a BDC (samba4
3249                          * idl) */
3250                         dom_info->info6.primary.string = global_myname();
3251                         break;
3252                 case 0x07:
3253                         server_role = ROLE_DOMAIN_PDC;
3254                         if (lp_server_role() == ROLE_DOMAIN_BDC)
3255                                 server_role = ROLE_DOMAIN_BDC;
3256
3257                         dom_info->info7.role = server_role;
3258                         break;
3259                 case 0x08:
3260
3261                         become_root();
3262
3263                         /* AS ROOT !!! */
3264
3265                         if (!pdb_get_seq_num(&seq_num)) {
3266                                 seq_num = time(NULL);
3267                         }
3268
3269                         /* !AS ROOT */
3270
3271                         unbecome_root();
3272
3273                         dom_info->info8.sequence_num = seq_num;
3274                         dom_info->info8.domain_create_time = 0;
3275
3276                         break;
3277                 case 0x09:
3278
3279                         dom_info->info9.domain_server_state             = DOMAIN_SERVER_ENABLED;
3280
3281                         break;
3282                 case 0x0b:
3283
3284                         /* AS ROOT !!! */
3285
3286                         become_root();
3287
3288                         dom_info->general2.general.num_users    = count_sam_users(
3289                                 dinfo->disp_info, ACB_NORMAL);
3290                         dom_info->general2.general.num_groups   = count_sam_groups(
3291                                 dinfo->disp_info);
3292                         dom_info->general2.general.num_aliases  = count_sam_aliases(
3293                                 dinfo->disp_info);
3294
3295                         pdb_get_account_policy(AP_TIME_TO_LOGOUT, &u_logout);
3296
3297                         unix_to_nt_time_abs(&dom_info->general2.general.force_logoff_time, u_logout);
3298
3299                         if (!pdb_get_seq_num(&seq_num))
3300                                 seq_num = time(NULL);
3301
3302                         pdb_get_account_policy(AP_LOCK_ACCOUNT_DURATION, &account_policy_temp);
3303                         u_lock_duration = account_policy_temp;
3304                         if (u_lock_duration != -1) {
3305                                 u_lock_duration *= 60;
3306                         }
3307
3308                         pdb_get_account_policy(AP_RESET_COUNT_TIME, &account_policy_temp);
3309                         u_reset_time = account_policy_temp * 60;
3310
3311                         pdb_get_account_policy(AP_BAD_ATTEMPT_LOCKOUT,
3312                                                &account_policy_temp);
3313                         dom_info->general2.lockout_threshold = account_policy_temp;
3314
3315                         /* !AS ROOT */
3316
3317                         unbecome_root();
3318
3319                         server_role = ROLE_DOMAIN_PDC;
3320                         if (lp_server_role() == ROLE_DOMAIN_BDC)
3321                                 server_role = ROLE_DOMAIN_BDC;
3322
3323                         dom_info->general2.general.oem_information.string       = lp_serverstring();
3324                         dom_info->general2.general.domain_name.string           = lp_workgroup();
3325                         dom_info->general2.general.primary.string               = global_myname();
3326                         dom_info->general2.general.sequence_num                 = seq_num;
3327                         dom_info->general2.general.domain_server_state          = DOMAIN_SERVER_ENABLED;
3328                         dom_info->general2.general.role                         = server_role;
3329                         dom_info->general2.general.unknown3                     = 1;
3330
3331                         unix_to_nt_time_abs(&dom_info->general2.lockout_duration,
3332                                             u_lock_duration);
3333                         unix_to_nt_time_abs(&dom_info->general2.lockout_window,
3334                                             u_reset_time);
3335
3336                         break;
3337                 case 0x0c:
3338
3339                         become_root();
3340
3341                         /* AS ROOT !!! */
3342
3343                         pdb_get_account_policy(AP_LOCK_ACCOUNT_DURATION, &account_policy_temp);
3344                         u_lock_duration = account_policy_temp;
3345                         if (u_lock_duration != -1) {
3346                                 u_lock_duration *= 60;
3347                         }
3348
3349                         pdb_get_account_policy(AP_RESET_COUNT_TIME, &account_policy_temp);
3350                         u_reset_time = account_policy_temp * 60;
3351
3352                         pdb_get_account_policy(AP_BAD_ATTEMPT_LOCKOUT,
3353                                                &account_policy_temp);
3354                         dom_info->info12.lockout_threshold = account_policy_temp;
3355
3356                         /* !AS ROOT */
3357
3358                         unbecome_root();
3359
3360                         unix_to_nt_time_abs(&dom_info->info12.lockout_duration,
3361                                             u_lock_duration);
3362                         unix_to_nt_time_abs(&dom_info->info12.lockout_window,
3363                                             u_reset_time);
3364
3365                         break;
3366                 case 0x0d:
3367
3368                         become_root();
3369
3370                         /* AS ROOT !!! */
3371
3372                         if (!pdb_get_seq_num(&seq_num)) {
3373                                 seq_num = time(NULL);
3374                         }
3375
3376                         /* !AS ROOT */
3377
3378                         unbecome_root();
3379
3380                         dom_info->info13.sequence_num = seq_num;
3381                         dom_info->info13.domain_create_time = 0;
3382                         dom_info->info13.modified_count_at_last_promotion = 0;
3383
3384                         break;
3385                 default:
3386                         return NT_STATUS_INVALID_INFO_CLASS;
3387         }
3388
3389         *r->out.info = dom_info;
3390
3391         DEBUG(5,("_samr_QueryDomainInfo: %d\n", __LINE__));
3392
3393         return status;
3394 }
3395
3396 /* W2k3 seems to use the same check for all 3 objects that can be created via
3397  * SAMR, if you try to create for example "Dialup" as an alias it says
3398  * "NT_STATUS_USER_EXISTS". This is racy, but we can't really lock the user
3399  * database. */
3400
3401 static NTSTATUS can_create(TALLOC_CTX *mem_ctx, const char *new_name)
3402 {
3403         enum lsa_SidType type;
3404         bool result;
3405
3406         DEBUG(10, ("Checking whether [%s] can be created\n", new_name));
3407
3408         become_root();
3409         /* Lookup in our local databases (LOOKUP_NAME_REMOTE not set)
3410          * whether the name already exists */
3411         result = lookup_name(mem_ctx, new_name, LOOKUP_NAME_LOCAL,
3412                              NULL, NULL, NULL, &type);
3413         unbecome_root();
3414
3415         if (!result) {
3416                 DEBUG(10, ("%s does not exist, can create it\n", new_name));
3417                 return NT_STATUS_OK;
3418         }
3419
3420         DEBUG(5, ("trying to create %s, exists as %s\n",
3421                   new_name, sid_type_lookup(type)));
3422
3423         if (type == SID_NAME_DOM_GRP) {
3424                 return NT_STATUS_GROUP_EXISTS;
3425         }
3426         if (type == SID_NAME_ALIAS) {
3427                 return NT_STATUS_ALIAS_EXISTS;
3428         }
3429
3430         /* Yes, the default is NT_STATUS_USER_EXISTS */
3431         return NT_STATUS_USER_EXISTS;
3432 }
3433
3434 /*******************************************************************
3435  _samr_CreateUser2
3436  ********************************************************************/
3437
3438 NTSTATUS _samr_CreateUser2(pipes_struct *p,
3439                            struct samr_CreateUser2 *r)
3440 {
3441         const char *account = NULL;
3442         DOM_SID sid;
3443         uint32_t acb_info = r->in.acct_flags;
3444         struct samr_domain_info *dinfo;
3445         struct samr_user_info *uinfo;
3446         NTSTATUS nt_status;
3447         uint32 acc_granted;
3448         SEC_DESC *psd;
3449         size_t    sd_size;
3450         /* check this, when giving away 'add computer to domain' privs */
3451         uint32    des_access = GENERIC_RIGHTS_USER_ALL_ACCESS;
3452         bool can_add_account = False;
3453         SE_PRIV se_rights;
3454
3455         dinfo = policy_handle_find(p, r->in.domain_handle,
3456                                    SAMR_DOMAIN_ACCESS_CREATE_USER, NULL,
3457                                    struct samr_domain_info, &nt_status);
3458         if (!NT_STATUS_IS_OK(nt_status)) {
3459                 return nt_status;
3460         }
3461
3462         if (sid_check_is_builtin(&dinfo->sid)) {
3463                 DEBUG(5,("_samr_CreateUser2: Refusing user create in BUILTIN\n"));
3464                 return NT_STATUS_ACCESS_DENIED;
3465         }
3466
3467         if (!(acb_info == ACB_NORMAL || acb_info == ACB_DOMTRUST ||
3468               acb_info == ACB_WSTRUST || acb_info == ACB_SVRTRUST)) {
3469                 /* Match Win2k, and return NT_STATUS_INVALID_PARAMETER if
3470                    this parameter is not an account type */
3471                 return NT_STATUS_INVALID_PARAMETER;
3472         }
3473
3474         account = r->in.account_name->string;
3475         if (account == NULL) {
3476                 return NT_STATUS_NO_MEMORY;
3477         }
3478
3479         nt_status = can_create(p->mem_ctx, account);
3480         if (!NT_STATUS_IS_OK(nt_status)) {
3481                 return nt_status;
3482         }
3483
3484         /* determine which user right we need to check based on the acb_info */
3485
3486         if ( acb_info & ACB_WSTRUST )
3487         {
3488                 se_priv_copy( &se_rights, &se_machine_account );
3489                 can_add_account = user_has_privileges(
3490                         p->server_info->ptok, &se_rights );
3491         }
3492         /* usrmgr.exe (and net rpc trustdom grant) creates a normal user
3493            account for domain trusts and changes the ACB flags later */
3494         else if ( acb_info & ACB_NORMAL &&
3495                   (account[strlen(account)-1] != '$') )
3496         {
3497                 se_priv_copy( &se_rights, &se_add_users );
3498                 can_add_account = user_has_privileges(
3499                         p->server_info->ptok, &se_rights );
3500         }
3501         else    /* implicit assumption of a BDC or domain trust account here
3502                  * (we already check the flags earlier) */
3503         {
3504                 if ( lp_enable_privileges() ) {
3505                         /* only Domain Admins can add a BDC or domain trust */
3506                         se_priv_copy( &se_rights, &se_priv_none );
3507                         can_add_account = nt_token_check_domain_rid(
3508                                 p->server_info->ptok,
3509                                 DOMAIN_GROUP_RID_ADMINS );
3510                 }
3511         }
3512
3513         DEBUG(5, ("_samr_CreateUser2: %s can add this account : %s\n",
3514                   uidtoname(p->server_info->utok.uid),
3515                   can_add_account ? "True":"False" ));
3516
3517         /********** BEGIN Admin BLOCK **********/
3518
3519         if ( can_add_account )
3520                 become_root();
3521
3522         nt_status = pdb_create_user(p->mem_ctx, account, acb_info,
3523                                     r->out.rid);
3524
3525         if ( can_add_account )
3526                 unbecome_root();
3527
3528         /********** END Admin BLOCK **********/
3529
3530         /* now check for failure */
3531
3532         if ( !NT_STATUS_IS_OK(nt_status) )
3533                 return nt_status;
3534
3535         /* Get the user's SID */
3536
3537         sid_compose(&sid, get_global_sam_sid(), *r->out.rid);
3538
3539         map_max_allowed_access(p->server_info->ptok, &des_access);
3540
3541         make_samr_object_sd(p->mem_ctx, &psd, &sd_size, &usr_generic_mapping,
3542                             &sid, SAMR_USR_RIGHTS_WRITE_PW);
3543         se_map_generic(&des_access, &usr_generic_mapping);
3544
3545         nt_status = access_check_samr_object(psd, p->server_info->ptok,
3546                 &se_rights, GENERIC_RIGHTS_USER_WRITE, des_access,
3547                 &acc_granted, "_samr_CreateUser2");
3548
3549         if ( !NT_STATUS_IS_OK(nt_status) ) {
3550                 return nt_status;
3551         }
3552
3553         uinfo = policy_handle_create(p, r->out.user_handle, acc_granted,
3554                                      struct samr_user_info, &nt_status);
3555         if (!NT_STATUS_IS_OK(nt_status)) {
3556                 return nt_status;
3557         }
3558         uinfo->sid = sid;
3559
3560         /* After a "set" ensure we have no cached display info. */
3561         force_flush_samr_cache(&sid);
3562
3563         *r->out.access_granted = acc_granted;
3564
3565         return NT_STATUS_OK;
3566 }
3567
3568 /****************************************************************
3569 ****************************************************************/
3570
3571 NTSTATUS _samr_CreateUser(pipes_struct *p,
3572                           struct samr_CreateUser *r)
3573 {
3574         struct samr_CreateUser2 c;
3575         uint32_t access_granted;
3576
3577         c.in.domain_handle      = r->in.domain_handle;
3578         c.in.account_name       = r->in.account_name;
3579         c.in.acct_flags         = ACB_NORMAL;
3580         c.in.access_mask        = r->in.access_mask;
3581         c.out.user_handle       = r->out.user_handle;
3582         c.out.access_granted    = &access_granted;
3583         c.out.rid               = r->out.rid;
3584
3585         return _samr_CreateUser2(p, &c);
3586 }
3587
3588 /*******************************************************************
3589  _samr_Connect
3590  ********************************************************************/
3591
3592 NTSTATUS _samr_Connect(pipes_struct *p,
3593                        struct samr_Connect *r)
3594 {
3595         struct samr_connect_info *info;
3596         uint32_t acc_granted;
3597         struct policy_handle hnd;
3598         uint32    des_access = r->in.access_mask;
3599         NTSTATUS status;
3600
3601         /* Access check */
3602
3603         if (!pipe_access_check(p)) {
3604                 DEBUG(3, ("access denied to _samr_Connect\n"));
3605                 return NT_STATUS_ACCESS_DENIED;
3606         }
3607
3608         /* don't give away the farm but this is probably ok.  The SAMR_ACCESS_ENUM_DOMAINS
3609            was observed from a win98 client trying to enumerate users (when configured
3610            user level access control on shares)   --jerry */
3611
3612         map_max_allowed_access(p->server_info->ptok, &des_access);
3613
3614         se_map_generic( &des_access, &sam_generic_mapping );
3615
3616         acc_granted = des_access & (SAMR_ACCESS_ENUM_DOMAINS
3617                                     |SAMR_ACCESS_LOOKUP_DOMAIN);
3618
3619         /* set up the SAMR connect_anon response */
3620
3621         info = policy_handle_create(p, &hnd, acc_granted,
3622                                     struct samr_connect_info,
3623                                     &status);
3624         if (!NT_STATUS_IS_OK(status)) {
3625                 return status;
3626         }
3627
3628         *r->out.connect_handle = hnd;
3629         return NT_STATUS_OK;
3630 }
3631
3632 /*******************************************************************
3633  _samr_Connect2
3634  ********************************************************************/
3635
3636 NTSTATUS _samr_Connect2(pipes_struct *p,
3637                         struct samr_Connect2 *r)
3638 {
3639         struct samr_connect_info *info = NULL;
3640         struct policy_handle hnd;
3641         SEC_DESC *psd = NULL;
3642         uint32    acc_granted;
3643         uint32    des_access = r->in.access_mask;
3644         NTSTATUS  nt_status;
3645         size_t    sd_size;
3646         const char *fn = "_samr_Connect2";
3647
3648         switch (p->hdr_req.opnum) {
3649         case NDR_SAMR_CONNECT2:
3650                 fn = "_samr_Connect2";
3651                 break;
3652         case NDR_SAMR_CONNECT3:
3653                 fn = "_samr_Connect3";
3654                 break;
3655         case NDR_SAMR_CONNECT4:
3656                 fn = "_samr_Connect4";
3657                 break;
3658         case NDR_SAMR_CONNECT5:
3659                 fn = "_samr_Connect5";
3660                 break;
3661         }
3662
3663         DEBUG(5,("%s: %d\n", fn, __LINE__));
3664
3665         /* Access check */
3666
3667         if (!pipe_access_check(p)) {
3668                 DEBUG(3, ("access denied to %s\n", fn));
3669                 return NT_STATUS_ACCESS_DENIED;
3670         }
3671
3672         map_max_allowed_access(p->server_info->ptok, &des_access);
3673
3674         make_samr_object_sd(p->mem_ctx, &psd, &sd_size, &sam_generic_mapping, NULL, 0);
3675         se_map_generic(&des_access, &sam_generic_mapping);
3676
3677         nt_status = access_check_samr_object(psd, p->server_info->ptok,
3678                 NULL, 0, des_access, &acc_granted, fn);
3679
3680         if ( !NT_STATUS_IS_OK(nt_status) )
3681                 return nt_status;
3682
3683         info = policy_handle_create(p, &hnd, acc_granted,
3684                                     struct samr_connect_info, &nt_status);
3685         if (!NT_STATUS_IS_OK(nt_status)) {
3686                 return nt_status;
3687         }
3688
3689         DEBUG(5,("%s: %d\n", fn, __LINE__));
3690
3691         *r->out.connect_handle = hnd;
3692         return NT_STATUS_OK;
3693 }
3694
3695 /****************************************************************
3696  _samr_Connect3
3697 ****************************************************************/
3698
3699 NTSTATUS _samr_Connect3(pipes_struct *p,
3700                         struct samr_Connect3 *r)
3701 {
3702         struct samr_Connect2 c;
3703
3704         c.in.system_name        = r->in.system_name;
3705         c.in.access_mask        = r->in.access_mask;
3706         c.out.connect_handle    = r->out.connect_handle;
3707
3708         return _samr_Connect2(p, &c);
3709 }
3710
3711 /*******************************************************************
3712  _samr_Connect4
3713  ********************************************************************/
3714
3715 NTSTATUS _samr_Connect4(pipes_struct *p,
3716                         struct samr_Connect4 *r)
3717 {
3718         struct samr_Connect2 c;
3719
3720         c.in.system_name        = r->in.system_name;
3721         c.in.access_mask        = r->in.access_mask;
3722         c.out.connect_handle    = r->out.connect_handle;
3723
3724         return _samr_Connect2(p, &c);
3725 }
3726
3727 /*******************************************************************
3728  _samr_Connect5
3729  ********************************************************************/
3730
3731 NTSTATUS _samr_Connect5(pipes_struct *p,
3732                         struct samr_Connect5 *r)
3733 {
3734         NTSTATUS status;
3735         struct samr_Connect2 c;
3736         struct samr_ConnectInfo1 info1;
3737
3738         info1.client_version = SAMR_CONNECT_AFTER_W2K;
3739         info1.unknown2 = 0;
3740
3741         c.in.system_name        = r->in.system_name;
3742         c.in.access_mask        = r->in.access_mask;
3743         c.out.connect_handle    = r->out.connect_handle;
3744
3745         *r->out.level_out = 1;
3746
3747         status = _samr_Connect2(p, &c);
3748         if (!NT_STATUS_IS_OK(status)) {
3749                 return status;
3750         }
3751
3752         r->out.info_out->info1 = info1;
3753
3754         return NT_STATUS_OK;
3755 }
3756
3757 /**********************************************************************
3758  _samr_LookupDomain
3759  **********************************************************************/
3760
3761 NTSTATUS _samr_LookupDomain(pipes_struct *p,
3762                             struct samr_LookupDomain *r)
3763 {
3764         NTSTATUS status;
3765         struct samr_connect_info *info;
3766         const char *domain_name;
3767         DOM_SID *sid = NULL;
3768
3769         /* win9x user manager likes to use SAMR_ACCESS_ENUM_DOMAINS here.
3770            Reverted that change so we will work with RAS servers again */
3771
3772         info = policy_handle_find(p, r->in.connect_handle,
3773                                   SAMR_ACCESS_LOOKUP_DOMAIN, NULL,
3774                                   struct samr_connect_info,
3775                                   &status);
3776         if (!NT_STATUS_IS_OK(status)) {
3777                 return status;
3778         }
3779
3780         domain_name = r->in.domain_name->string;
3781         if (!domain_name) {
3782                 return NT_STATUS_INVALID_PARAMETER;
3783         }
3784
3785         sid = TALLOC_ZERO_P(p->mem_ctx, struct dom_sid2);
3786         if (!sid) {
3787                 return NT_STATUS_NO_MEMORY;
3788         }
3789
3790         if (strequal(domain_name, builtin_domain_name())) {
3791                 sid_copy(sid, &global_sid_Builtin);
3792         } else {
3793                 if (!secrets_fetch_domain_sid(domain_name, sid)) {
3794                         status = NT_STATUS_NO_SUCH_DOMAIN;
3795                 }
3796         }
3797
3798         DEBUG(2,("Returning domain sid for domain %s -> %s\n", domain_name,
3799                  sid_string_dbg(sid)));
3800
3801         *r->out.sid = sid;
3802
3803         return status;
3804 }
3805
3806 /**********************************************************************
3807  _samr_EnumDomains
3808  **********************************************************************/
3809
3810 NTSTATUS _samr_EnumDomains(pipes_struct *p,
3811                            struct samr_EnumDomains *r)
3812 {
3813         NTSTATUS status;
3814         struct samr_connect_info *info;
3815         uint32_t num_entries = 2;
3816         struct samr_SamEntry *entry_array = NULL;
3817         struct samr_SamArray *sam;
3818
3819         info = policy_handle_find(p, r->in.connect_handle,
3820                                   SAMR_ACCESS_ENUM_DOMAINS, NULL,
3821                                   struct samr_connect_info, &status);
3822         if (!NT_STATUS_IS_OK(status)) {
3823                 return status;
3824         }
3825
3826         sam = TALLOC_ZERO_P(p->mem_ctx, struct samr_SamArray);
3827         if (!sam) {
3828                 return NT_STATUS_NO_MEMORY;
3829         }
3830
3831         entry_array = TALLOC_ZERO_ARRAY(p->mem_ctx,
3832                                         struct samr_SamEntry,
3833                                         num_entries);
3834         if (!entry_array) {
3835                 return NT_STATUS_NO_MEMORY;
3836         }
3837
3838         entry_array[0].idx = 0;
3839         init_lsa_String(&entry_array[0].name, get_global_sam_name());
3840
3841         entry_array[1].idx = 1;
3842         init_lsa_String(&entry_array[1].name, "Builtin");
3843
3844         sam->count = num_entries;
3845         sam->entries = entry_array;
3846
3847         *r->out.sam = sam;
3848         *r->out.num_entries = num_entries;
3849
3850         return status;
3851 }
3852
3853 /*******************************************************************
3854  _samr_OpenAlias
3855  ********************************************************************/
3856
3857 NTSTATUS _samr_OpenAlias(pipes_struct *p,
3858                          struct samr_OpenAlias *r)
3859 {
3860         DOM_SID sid;
3861         uint32 alias_rid = r->in.rid;
3862         struct samr_alias_info *ainfo;
3863         struct samr_domain_info *dinfo;
3864         SEC_DESC *psd = NULL;
3865         uint32    acc_granted;
3866         uint32    des_access = r->in.access_mask;
3867         size_t    sd_size;
3868         NTSTATUS  status;
3869         SE_PRIV se_rights;
3870
3871         dinfo = policy_handle_find(p, r->in.domain_handle,
3872                                    SAMR_DOMAIN_ACCESS_OPEN_ACCOUNT, NULL,
3873                                    struct samr_domain_info, &status);
3874         if (!NT_STATUS_IS_OK(status)) {
3875                 return status;
3876         }
3877
3878         /* append the alias' RID to it */
3879
3880         if (!sid_compose(&sid, &dinfo->sid, alias_rid))
3881                 return NT_STATUS_NO_SUCH_ALIAS;
3882
3883         /*check if access can be granted as requested by client. */
3884
3885         map_max_allowed_access(p->server_info->ptok, &des_access);
3886
3887         make_samr_object_sd(p->mem_ctx, &psd, &sd_size, &ali_generic_mapping, NULL, 0);
3888         se_map_generic(&des_access,&ali_generic_mapping);
3889
3890         se_priv_copy( &se_rights, &se_add_users );
3891
3892
3893         status = access_check_samr_object(psd, p->server_info->ptok,
3894                 &se_rights, GENERIC_RIGHTS_ALIAS_WRITE, des_access,
3895                 &acc_granted, "_samr_OpenAlias");
3896
3897         if ( !NT_STATUS_IS_OK(status) )
3898                 return status;
3899
3900         {
3901                 /* Check we actually have the requested alias */
3902                 enum lsa_SidType type;
3903                 bool result;
3904                 gid_t gid;
3905
3906                 become_root();
3907                 result = lookup_sid(NULL, &sid, NULL, NULL, &type);
3908                 unbecome_root();
3909
3910                 if (!result || (type != SID_NAME_ALIAS)) {
3911                         return NT_STATUS_NO_SUCH_ALIAS;
3912                 }
3913
3914                 /* make sure there is a mapping */
3915
3916                 if ( !sid_to_gid( &sid, &gid ) ) {
3917                         return NT_STATUS_NO_SUCH_ALIAS;
3918                 }
3919
3920         }
3921
3922         ainfo = policy_handle_create(p, r->out.alias_handle, acc_granted,
3923                                      struct samr_alias_info, &status);
3924         if (!NT_STATUS_IS_OK(status)) {
3925                 return status;
3926         }
3927         ainfo->sid = sid;
3928
3929         return NT_STATUS_OK;
3930 }
3931
3932 /*******************************************************************
3933  set_user_info_2
3934  ********************************************************************/
3935
3936 static NTSTATUS set_user_info_2(TALLOC_CTX *mem_ctx,
3937                                 struct samr_UserInfo2 *id2,
3938                                 struct samu *pwd)
3939 {
3940         if (id2 == NULL) {
3941                 DEBUG(5,("set_user_info_2: NULL id2\n"));
3942                 return NT_STATUS_ACCESS_DENIED;
3943         }
3944
3945         copy_id2_to_sam_passwd(pwd, id2);
3946
3947         return pdb_update_sam_account(pwd);
3948 }
3949
3950 /*******************************************************************
3951  set_user_info_4
3952  ********************************************************************/
3953
3954 static NTSTATUS set_user_info_4(TALLOC_CTX *mem_ctx,
3955                                 struct samr_UserInfo4 *id4,
3956                                 struct samu *pwd)
3957 {
3958         if (id4 == NULL) {
3959                 DEBUG(5,("set_user_info_2: NULL id4\n"));
3960                 return NT_STATUS_ACCESS_DENIED;
3961         }
3962
3963         copy_id4_to_sam_passwd(pwd, id4);
3964
3965         return pdb_update_sam_account(pwd);
3966 }
3967
3968 /*******************************************************************
3969  set_user_info_6
3970  ********************************************************************/
3971
3972 static NTSTATUS set_user_info_6(TALLOC_CTX *mem_ctx,
3973                                 struct samr_UserInfo6 *id6,
3974                                 struct samu *pwd)
3975 {
3976         if (id6 == NULL) {
3977                 DEBUG(5,("set_user_info_6: NULL id6\n"));
3978                 return NT_STATUS_ACCESS_DENIED;
3979         }
3980
3981         copy_id6_to_sam_passwd(pwd, id6);
3982
3983         return pdb_update_sam_account(pwd);
3984 }
3985
3986 /*******************************************************************
3987  set_user_info_7
3988  ********************************************************************/
3989
3990 static NTSTATUS set_user_info_7(TALLOC_CTX *mem_ctx,
3991                                 struct samr_UserInfo7 *id7,
3992                                 struct samu *pwd)
3993 {
3994         NTSTATUS rc;
3995
3996         if (id7 == NULL) {
3997                 DEBUG(5, ("set_user_info_7: NULL id7\n"));
3998                 return NT_STATUS_ACCESS_DENIED;
3999         }
4000
4001         if (!id7->account_name.string) {
4002                 DEBUG(5, ("set_user_info_7: failed to get new username\n"));
4003                 return NT_STATUS_ACCESS_DENIED;
4004         }
4005
4006         /* check to see if the new username already exists.  Note: we can't
4007            reliably lock all backends, so there is potentially the
4008            possibility that a user can be created in between this check and
4009            the rename.  The rename should fail, but may not get the
4010            exact same failure status code.  I think this is small enough
4011            of a window for this type of operation and the results are
4012            simply that the rename fails with a slightly different status
4013            code (like UNSUCCESSFUL instead of ALREADY_EXISTS). */
4014
4015         rc = can_create(mem_ctx, id7->account_name.string);
4016
4017         /* when there is nothing to change, we're done here */
4018         if (NT_STATUS_EQUAL(rc, NT_STATUS_USER_EXISTS) &&
4019             strequal(id7->account_name.string, pdb_get_username(pwd))) {
4020                 return NT_STATUS_OK;
4021         }
4022         if (!NT_STATUS_IS_OK(rc)) {
4023                 return rc;
4024         }
4025
4026         rc = pdb_rename_sam_account(pwd, id7->account_name.string);
4027
4028         return rc;
4029 }
4030
4031 /*******************************************************************
4032  set_user_info_8
4033  ********************************************************************/
4034
4035 static NTSTATUS set_user_info_8(TALLOC_CTX *mem_ctx,
4036                                 struct samr_UserInfo8 *id8,
4037                                 struct samu *pwd)
4038 {
4039         if (id8 == NULL) {
4040                 DEBUG(5,("set_user_info_8: NULL id8\n"));
4041                 return NT_STATUS_ACCESS_DENIED;
4042         }
4043
4044         copy_id8_to_sam_passwd(pwd, id8);
4045
4046         return pdb_update_sam_account(pwd);
4047 }
4048
4049 /*******************************************************************
4050  set_user_info_10
4051  ********************************************************************/
4052
4053 static NTSTATUS set_user_info_10(TALLOC_CTX *mem_ctx,
4054                                  struct samr_UserInfo10 *id10,
4055                                  struct samu *pwd)
4056 {
4057         if (id10 == NULL) {
4058                 DEBUG(5,("set_user_info_8: NULL id10\n"));
4059                 return NT_STATUS_ACCESS_DENIED;
4060         }
4061
4062         copy_id10_to_sam_passwd(pwd, id10);
4063
4064         return pdb_update_sam_account(pwd);
4065 }
4066
4067 /*******************************************************************
4068  set_user_info_11
4069  ********************************************************************/
4070
4071 static NTSTATUS set_user_info_11(TALLOC_CTX *mem_ctx,
4072                                  struct samr_UserInfo11 *id11,
4073                                  struct samu *pwd)
4074 {
4075         if (id11 == NULL) {
4076                 DEBUG(5,("set_user_info_11: NULL id11\n"));
4077                 return NT_STATUS_ACCESS_DENIED;
4078         }
4079
4080         copy_id11_to_sam_passwd(pwd, id11);
4081
4082         return pdb_update_sam_account(pwd);
4083 }
4084
4085 /*******************************************************************
4086  set_user_info_12
4087  ********************************************************************/
4088
4089 static NTSTATUS set_user_info_12(TALLOC_CTX *mem_ctx,
4090                                  struct samr_UserInfo12 *id12,
4091                                  struct samu *pwd)
4092 {
4093         if (id12 == NULL) {
4094                 DEBUG(5,("set_user_info_12: NULL id12\n"));
4095                 return NT_STATUS_ACCESS_DENIED;
4096         }
4097
4098         copy_id12_to_sam_passwd(pwd, id12);
4099
4100         return pdb_update_sam_account(pwd);
4101 }
4102
4103 /*******************************************************************
4104  set_user_info_13
4105  ********************************************************************/
4106
4107 static NTSTATUS set_user_info_13(TALLOC_CTX *mem_ctx,
4108                                  struct samr_UserInfo13 *id13,
4109                                  struct samu *pwd)
4110 {
4111         if (id13 == NULL) {
4112                 DEBUG(5,("set_user_info_13: NULL id13\n"));
4113                 return NT_STATUS_ACCESS_DENIED;
4114         }
4115
4116         copy_id13_to_sam_passwd(pwd, id13);
4117
4118         return pdb_update_sam_account(pwd);
4119 }
4120
4121 /*******************************************************************
4122  set_user_info_14
4123  ********************************************************************/
4124
4125 static NTSTATUS set_user_info_14(TALLOC_CTX *mem_ctx,
4126                                  struct samr_UserInfo14 *id14,
4127                                  struct samu *pwd)
4128 {
4129         if (id14 == NULL) {
4130                 DEBUG(5,("set_user_info_14: NULL id14\n"));
4131                 return NT_STATUS_ACCESS_DENIED;
4132         }
4133
4134         copy_id14_to_sam_passwd(pwd, id14);
4135
4136         return pdb_update_sam_account(pwd);
4137 }
4138
4139 /*******************************************************************
4140  set_user_info_16
4141  ********************************************************************/
4142
4143 static NTSTATUS set_user_info_16(TALLOC_CTX *mem_ctx,
4144                                  struct samr_UserInfo16 *id16,
4145                                  struct samu *pwd)
4146 {
4147         if (id16 == NULL) {
4148                 DEBUG(5,("set_user_info_16: NULL id16\n"));
4149                 return NT_STATUS_ACCESS_DENIED;
4150         }
4151
4152         copy_id16_to_sam_passwd(pwd, id16);
4153
4154         return pdb_update_sam_account(pwd);
4155 }
4156
4157 /*******************************************************************
4158  set_user_info_17
4159  ********************************************************************/
4160
4161 static NTSTATUS set_user_info_17(TALLOC_CTX *mem_ctx,
4162                                  struct samr_UserInfo17 *id17,
4163                                  struct samu *pwd)
4164 {
4165         if (id17 == NULL) {
4166                 DEBUG(5,("set_user_info_17: NULL id17\n"));
4167                 return NT_STATUS_ACCESS_DENIED;
4168         }
4169
4170         copy_id17_to_sam_passwd(pwd, id17);
4171
4172         return pdb_update_sam_account(pwd);
4173 }
4174
4175 /*******************************************************************
4176  set_user_info_18
4177  ********************************************************************/
4178
4179 static NTSTATUS set_user_info_18(struct samr_UserInfo18 *id18,
4180                                  TALLOC_CTX *mem_ctx,
4181                                  DATA_BLOB *session_key,
4182                                  struct samu *pwd)
4183 {
4184         if (id18 == NULL) {
4185                 DEBUG(2, ("set_user_info_18: id18 is NULL\n"));
4186                 return NT_STATUS_INVALID_PARAMETER;
4187         }
4188
4189         if (id18->nt_pwd_active || id18->lm_pwd_active) {
4190                 if (!session_key->length) {
4191                         return NT_STATUS_NO_USER_SESSION_KEY;
4192                 }
4193         }
4194
4195         if (id18->nt_pwd_active) {
4196
4197                 DATA_BLOB in, out;
4198
4199                 in = data_blob_const(id18->nt_pwd.hash, 16);
4200                 out = data_blob_talloc_zero(mem_ctx, 16);
4201
4202                 sess_crypt_blob(&out, &in, session_key, false);
4203
4204                 if (!pdb_set_nt_passwd(pwd, out.data, PDB_CHANGED)) {
4205                         return NT_STATUS_ACCESS_DENIED;
4206                 }
4207
4208                 pdb_set_pass_last_set_time(pwd, time(NULL), PDB_CHANGED);
4209         }
4210
4211         if (id18->lm_pwd_active) {
4212
4213                 DATA_BLOB in, out;
4214
4215                 in = data_blob_const(id18->lm_pwd.hash, 16);
4216                 out = data_blob_talloc_zero(mem_ctx, 16);
4217
4218                 sess_crypt_blob(&out, &in, session_key, false);
4219
4220                 if (!pdb_set_lanman_passwd(pwd, out.data, PDB_CHANGED)) {
4221                         return NT_STATUS_ACCESS_DENIED;
4222                 }
4223
4224                 pdb_set_pass_last_set_time(pwd, time(NULL), PDB_CHANGED);
4225         }
4226
4227         copy_id18_to_sam_passwd(pwd, id18);
4228
4229         return pdb_update_sam_account(pwd);
4230 }
4231
4232 /*******************************************************************
4233  set_user_info_20
4234  ********************************************************************/
4235
4236 static NTSTATUS set_user_info_20(TALLOC_CTX *mem_ctx,
4237                                  struct samr_UserInfo20 *id20,
4238                                  struct samu *pwd)
4239 {
4240         if (id20 == NULL) {
4241                 DEBUG(5,("set_user_info_20: NULL id20\n"));
4242                 return NT_STATUS_ACCESS_DENIED;
4243         }
4244
4245         copy_id20_to_sam_passwd(pwd, id20);
4246
4247         return pdb_update_sam_account(pwd);
4248 }
4249
4250 /*******************************************************************
4251  set_user_info_21
4252  ********************************************************************/
4253
4254 static NTSTATUS set_user_info_21(struct samr_UserInfo21 *id21,
4255                                  TALLOC_CTX *mem_ctx,
4256                                  DATA_BLOB *session_key,
4257                                  struct samu *pwd)
4258 {
4259         NTSTATUS status;
4260
4261         if (id21 == NULL) {
4262                 DEBUG(5, ("set_user_info_21: NULL id21\n"));
4263                 return NT_STATUS_INVALID_PARAMETER;
4264         }
4265
4266         if (id21->fields_present == 0) {
4267                 return NT_STATUS_INVALID_PARAMETER;
4268         }
4269
4270         if (id21->fields_present & SAMR_FIELD_LAST_PWD_CHANGE) {
4271                 return NT_STATUS_ACCESS_DENIED;
4272         }
4273
4274         if (id21->fields_present & SAMR_FIELD_NT_PASSWORD_PRESENT) {
4275                 if (id21->nt_password_set) {
4276                         DATA_BLOB in, out;
4277
4278                         if ((id21->nt_owf_password.length != 16) ||
4279                             (id21->nt_owf_password.size != 16)) {
4280                                 return NT_STATUS_INVALID_PARAMETER;
4281                         }
4282
4283                         if (!session_key->length) {
4284                                 return NT_STATUS_NO_USER_SESSION_KEY;
4285                         }
4286
4287                         in = data_blob_const(id21->nt_owf_password.array, 16);
4288                         out = data_blob_talloc_zero(mem_ctx, 16);
4289
4290                         sess_crypt_blob(&out, &in, session_key, false);
4291
4292                         pdb_set_nt_passwd(pwd, out.data, PDB_CHANGED);
4293                         pdb_set_pass_last_set_time(pwd, time(NULL), PDB_CHANGED);
4294                 }
4295         }
4296
4297         if (id21->fields_present & SAMR_FIELD_LM_PASSWORD_PRESENT) {
4298                 if (id21->lm_password_set) {
4299                         DATA_BLOB in, out;
4300
4301                         if ((id21->lm_owf_password.length != 16) ||
4302                             (id21->lm_owf_password.size != 16)) {
4303                                 return NT_STATUS_INVALID_PARAMETER;
4304                         }
4305
4306                         if (!session_key->length) {
4307                                 return NT_STATUS_NO_USER_SESSION_KEY;
4308                         }
4309
4310                         in = data_blob_const(id21->lm_owf_password.array, 16);
4311                         out = data_blob_talloc_zero(mem_ctx, 16);
4312
4313                         sess_crypt_blob(&out, &in, session_key, false);
4314
4315                         pdb_set_lanman_passwd(pwd, out.data, PDB_CHANGED);
4316                         pdb_set_pass_last_set_time(pwd, time(NULL), PDB_CHANGED);
4317                 }
4318         }
4319
4320         /* we need to separately check for an account rename first */
4321
4322         if (id21->account_name.string &&
4323             (!strequal(id21->account_name.string, pdb_get_username(pwd))))
4324         {
4325
4326                 /* check to see if the new username already exists.  Note: we can't
4327                    reliably lock all backends, so there is potentially the
4328                    possibility that a user can be created in between this check and
4329                    the rename.  The rename should fail, but may not get the
4330                    exact same failure status code.  I think this is small enough
4331                    of a window for this type of operation and the results are
4332                    simply that the rename fails with a slightly different status
4333                    code (like UNSUCCESSFUL instead of ALREADY_EXISTS). */
4334
4335                 status = can_create(mem_ctx, id21->account_name.string);
4336                 if (!NT_STATUS_IS_OK(status)) {
4337                         return status;
4338                 }
4339
4340                 status = pdb_rename_sam_account(pwd, id21->account_name.string);
4341
4342                 if (!NT_STATUS_IS_OK(status)) {
4343                         DEBUG(0,("set_user_info_21: failed to rename account: %s\n",
4344                                 nt_errstr(status)));
4345                         return status;
4346                 }
4347
4348                 /* set the new username so that later
4349                    functions can work on the new account */
4350                 pdb_set_username(pwd, id21->account_name.string, PDB_SET);
4351         }
4352
4353         copy_id21_to_sam_passwd("INFO_21", pwd, id21);
4354
4355         /*
4356          * The funny part about the previous two calls is
4357          * that pwd still has the password hashes from the
4358          * passdb entry.  These have not been updated from
4359          * id21.  I don't know if they need to be set.    --jerry
4360          */
4361
4362         if ( IS_SAM_CHANGED(pwd, PDB_GROUPSID) ) {
4363                 status = pdb_set_unix_primary_group(mem_ctx, pwd);
4364                 if ( !NT_STATUS_IS_OK(status) ) {
4365                         return status;
4366                 }
4367         }
4368
4369         /* Don't worry about writing out the user account since the
4370            primary group SID is generated solely from the user's Unix
4371            primary group. */
4372
4373         /* write the change out */
4374         if(!NT_STATUS_IS_OK(status = pdb_update_sam_account(pwd))) {
4375                 return status;
4376         }
4377
4378         return NT_STATUS_OK;
4379 }
4380
4381 /*******************************************************************
4382  set_user_info_23
4383  ********************************************************************/
4384
4385 static NTSTATUS set_user_info_23(TALLOC_CTX *mem_ctx,
4386                                  struct samr_UserInfo23 *id23,
4387                                  struct samu *pwd)
4388 {
4389         char *plaintext_buf = NULL;
4390         size_t len = 0;
4391         uint32_t acct_ctrl;
4392         NTSTATUS status;
4393
4394         if (id23 == NULL) {
4395                 DEBUG(5, ("set_user_info_23: NULL id23\n"));
4396                 return NT_STATUS_INVALID_PARAMETER;
4397         }
4398
4399         if (id23->info.fields_present == 0) {
4400                 return NT_STATUS_INVALID_PARAMETER;
4401         }
4402
4403         if (id23->info.fields_present & SAMR_FIELD_LAST_PWD_CHANGE) {
4404                 return NT_STATUS_ACCESS_DENIED;
4405         }
4406
4407         if ((id23->info.fields_present & SAMR_FIELD_NT_PASSWORD_PRESENT) ||
4408             (id23->info.fields_present & SAMR_FIELD_LM_PASSWORD_PRESENT)) {
4409
4410                 DEBUG(5, ("Attempting administrator password change (level 23) for user %s\n",
4411                           pdb_get_username(pwd)));
4412
4413                 if (!decode_pw_buffer(mem_ctx,
4414                                       id23->password.data,
4415                                       &plaintext_buf,
4416                                       &len,
4417                                       CH_UTF16)) {
4418                         return NT_STATUS_WRONG_PASSWORD;
4419                 }
4420
4421                 if (!pdb_set_plaintext_passwd (pwd, plaintext_buf)) {
4422                         return NT_STATUS_ACCESS_DENIED;
4423                 }
4424         }
4425
4426         copy_id23_to_sam_passwd(pwd, id23);
4427
4428         acct_ctrl = pdb_get_acct_ctrl(pwd);
4429
4430         /* if it's a trust account, don't update /etc/passwd */
4431         if (    ( (acct_ctrl &  ACB_DOMTRUST) == ACB_DOMTRUST ) ||
4432                 ( (acct_ctrl &  ACB_WSTRUST) ==  ACB_WSTRUST) ||
4433                 ( (acct_ctrl &  ACB_SVRTRUST) ==  ACB_SVRTRUST) ) {
4434                 DEBUG(5, ("Changing trust account.  Not updating /etc/passwd\n"));
4435         } else if (plaintext_buf) {
4436                 /* update the UNIX password */
4437                 if (lp_unix_password_sync() ) {
4438                         struct passwd *passwd;
4439                         if (pdb_get_username(pwd) == NULL) {
4440                                 DEBUG(1, ("chgpasswd: User without name???\n"));
4441                                 return NT_STATUS_ACCESS_DENIED;
4442                         }
4443
4444                         passwd = Get_Pwnam_alloc(pwd, pdb_get_username(pwd));
4445                         if (passwd == NULL) {
4446                                 DEBUG(1, ("chgpasswd: Username does not exist in system !?!\n"));
4447                         }
4448
4449                         if(!chgpasswd(pdb_get_username(pwd), passwd, "", plaintext_buf, True)) {
4450                                 return NT_STATUS_ACCESS_DENIED;
4451                         }
4452                         TALLOC_FREE(passwd);
4453                 }
4454         }
4455
4456         if (plaintext_buf) {
4457                 memset(plaintext_buf, '\0', strlen(plaintext_buf));
4458         }
4459
4460         if (IS_SAM_CHANGED(pwd, PDB_GROUPSID) &&
4461             (!NT_STATUS_IS_OK(status =  pdb_set_unix_primary_group(mem_ctx,
4462                                                                    pwd)))) {
4463                 return status;
4464         }
4465
4466         if(!NT_STATUS_IS_OK(status = pdb_update_sam_account(pwd))) {
4467                 return status;
4468         }
4469
4470         return NT_STATUS_OK;
4471 }
4472
4473 /*******************************************************************
4474  set_user_info_pw
4475  ********************************************************************/
4476
4477 static bool set_user_info_pw(uint8 *pass, struct samu *pwd)
4478 {
4479         size_t len = 0;
4480         char *plaintext_buf = NULL;
4481         uint32 acct_ctrl;
4482
4483         DEBUG(5, ("Attempting administrator password change for user %s\n",
4484                   pdb_get_username(pwd)));
4485
4486         acct_ctrl = pdb_get_acct_ctrl(pwd);
4487
4488         if (!decode_pw_buffer(talloc_tos(),
4489                                 pass,
4490                                 &plaintext_buf,
4491                                 &len,
4492                                 CH_UTF16)) {
4493                 return False;
4494         }
4495
4496         if (!pdb_set_plaintext_passwd (pwd, plaintext_buf)) {
4497                 return False;
4498         }
4499
4500         /* if it's a trust account, don't update /etc/passwd */
4501         if ( ( (acct_ctrl &  ACB_DOMTRUST) == ACB_DOMTRUST ) ||
4502                 ( (acct_ctrl &  ACB_WSTRUST) ==  ACB_WSTRUST) ||
4503                 ( (acct_ctrl &  ACB_SVRTRUST) ==  ACB_SVRTRUST) ) {
4504                 DEBUG(5, ("Changing trust account or non-unix-user password, not updating /etc/passwd\n"));
4505         } else {
4506                 /* update the UNIX password */
4507                 if (lp_unix_password_sync()) {
4508                         struct passwd *passwd;
4509
4510                         if (pdb_get_username(pwd) == NULL) {
4511                                 DEBUG(1, ("chgpasswd: User without name???\n"));
4512                                 return False;
4513                         }
4514
4515                         passwd = Get_Pwnam_alloc(pwd, pdb_get_username(pwd));
4516                         if (passwd == NULL) {
4517                                 DEBUG(1, ("chgpasswd: Username does not exist in system !?!\n"));
4518                         }
4519
4520                         if(!chgpasswd(pdb_get_username(pwd), passwd, "", plaintext_buf, True)) {
4521                                 return False;
4522                         }
4523                         TALLOC_FREE(passwd);
4524                 }
4525         }
4526
4527         memset(plaintext_buf, '\0', strlen(plaintext_buf));
4528
4529         DEBUG(5,("set_user_info_pw: pdb_update_pwd()\n"));
4530
4531         return True;
4532 }
4533
4534 /*******************************************************************
4535  set_user_info_24
4536  ********************************************************************/
4537
4538 static NTSTATUS set_user_info_24(TALLOC_CTX *mem_ctx,
4539                                  struct samr_UserInfo24 *id24,
4540                                  struct samu *pwd)
4541 {
4542         NTSTATUS status;
4543
4544         if (id24 == NULL) {
4545                 DEBUG(5, ("set_user_info_24: NULL id24\n"));
4546                 return NT_STATUS_INVALID_PARAMETER;
4547         }
4548
4549         if (!set_user_info_pw(id24->password.data, pwd)) {
4550                 return NT_STATUS_WRONG_PASSWORD;
4551         }
4552
4553         copy_id24_to_sam_passwd(pwd, id24);
4554
4555         status = pdb_update_sam_account(pwd);
4556         if (!NT_STATUS_IS_OK(status)) {
4557                 return status;
4558         }
4559
4560         return NT_STATUS_OK;
4561 }
4562
4563 /*******************************************************************
4564  set_user_info_25
4565  ********************************************************************/
4566
4567 static NTSTATUS set_user_info_25(TALLOC_CTX *mem_ctx,
4568                                  struct samr_UserInfo25 *id25,
4569                                  struct samu *pwd)
4570 {
4571         NTSTATUS status;
4572
4573         if (id25 == NULL) {
4574                 DEBUG(5, ("set_user_info_25: NULL id25\n"));
4575                 return NT_STATUS_INVALID_PARAMETER;
4576         }
4577
4578         if (id25->info.fields_present == 0) {
4579                 return NT_STATUS_INVALID_PARAMETER;
4580         }
4581
4582         if (id25->info.fields_present & SAMR_FIELD_LAST_PWD_CHANGE) {
4583                 return NT_STATUS_ACCESS_DENIED;
4584         }
4585
4586         if ((id25->info.fields_present & SAMR_FIELD_NT_PASSWORD_PRESENT) ||
4587             (id25->info.fields_present & SAMR_FIELD_LM_PASSWORD_PRESENT)) {
4588
4589                 if (!set_user_info_pw(id25->password.data, pwd)) {
4590                         return NT_STATUS_WRONG_PASSWORD;
4591                 }
4592         }
4593
4594         copy_id25_to_sam_passwd(pwd, id25);
4595
4596         /* write the change out */
4597         if(!NT_STATUS_IS_OK(status = pdb_update_sam_account(pwd))) {
4598                 return status;
4599         }
4600
4601         /*
4602          * We need to "pdb_update_sam_account" before the unix primary group
4603          * is set, because the idealx scripts would also change the
4604          * sambaPrimaryGroupSid using the ldap replace method. pdb_ldap uses
4605          * the delete explicit / add explicit, which would then fail to find
4606          * the previous primaryGroupSid value.
4607          */
4608
4609         if ( IS_SAM_CHANGED(pwd, PDB_GROUPSID) ) {
4610                 status = pdb_set_unix_primary_group(mem_ctx, pwd);
4611                 if ( !NT_STATUS_IS_OK(status) ) {
4612                         return status;
4613                 }
4614         }
4615
4616         return NT_STATUS_OK;
4617 }
4618
4619 /*******************************************************************
4620  set_user_info_26
4621  ********************************************************************/
4622
4623 static NTSTATUS set_user_info_26(TALLOC_CTX *mem_ctx,
4624                                  struct samr_UserInfo26 *id26,
4625                                  struct samu *pwd)
4626 {
4627         NTSTATUS status;
4628
4629         if (id26 == NULL) {
4630                 DEBUG(5, ("set_user_info_26: NULL id26\n"));
4631                 return NT_STATUS_INVALID_PARAMETER;
4632         }
4633
4634         if (!set_user_info_pw(id26->password.data, pwd)) {
4635                 return NT_STATUS_WRONG_PASSWORD;
4636         }
4637
4638         copy_id26_to_sam_passwd(pwd, id26);
4639
4640         status = pdb_update_sam_account(pwd);
4641         if (!NT_STATUS_IS_OK(status)) {
4642                 return status;
4643         }
4644
4645         return NT_STATUS_OK;
4646 }
4647
4648
4649 /*******************************************************************
4650  samr_SetUserInfo
4651  ********************************************************************/
4652
4653 NTSTATUS _samr_SetUserInfo(pipes_struct *p,
4654                            struct samr_SetUserInfo *r)
4655 {
4656         struct samr_user_info *uinfo;
4657         NTSTATUS status;
4658         struct samu *pwd = NULL;
4659         union samr_UserInfo *info = r->in.info;
4660         uint16_t switch_value = r->in.level;
4661         uint32_t acc_required;
4662         bool ret;
4663         bool has_enough_rights = False;
4664         uint32_t acb_info;
4665
4666         DEBUG(5,("_samr_SetUserInfo: %d\n", __LINE__));
4667
4668         /* This is tricky.  A WinXP domain join sets
4669           (SAMR_USER_ACCESS_SET_PASSWORD|SAMR_USER_ACCESS_SET_ATTRIBUTES|SAMR_USER_ACCESS_GET_ATTRIBUTES)
4670           The MMC lusrmgr plugin includes these perms and more in the SamrOpenUser().  But the
4671           standard Win32 API calls just ask for SAMR_USER_ACCESS_SET_PASSWORD in the SamrOpenUser().
4672           This should be enough for levels 18, 24, 25,& 26.  Info level 23 can set more so
4673           we'll use the set from the WinXP join as the basis. */
4674
4675         switch (switch_value) {
4676         case 18:
4677         case 24:
4678         case 25:
4679         case 26:
4680                 acc_required = SAMR_USER_ACCESS_SET_PASSWORD;
4681                 break;
4682         default:
4683                 acc_required = SAMR_USER_ACCESS_SET_PASSWORD |
4684                                SAMR_USER_ACCESS_SET_ATTRIBUTES |
4685                                SAMR_USER_ACCESS_GET_ATTRIBUTES;
4686                 break;
4687         }
4688
4689         uinfo = policy_handle_find(p, r->in.user_handle, acc_required, NULL,
4690                                    struct samr_user_info, &status);
4691         if (!NT_STATUS_IS_OK(status)) {
4692                 return status;
4693         }
4694
4695         DEBUG(5, ("_samr_SetUserInfo: sid:%s, level:%d\n",
4696                   sid_string_dbg(&uinfo->sid), switch_value));
4697
4698         if (info == NULL) {
4699                 DEBUG(5, ("_samr_SetUserInfo: NULL info level\n"));
4700                 return NT_STATUS_INVALID_INFO_CLASS;
4701         }
4702
4703         if (!(pwd = samu_new(NULL))) {
4704                 return NT_STATUS_NO_MEMORY;
4705         }
4706
4707         become_root();
4708         ret = pdb_getsampwsid(pwd, &uinfo->sid);
4709         unbecome_root();
4710
4711         if (!ret) {
4712                 TALLOC_FREE(pwd);
4713                 return NT_STATUS_NO_SUCH_USER;
4714         }
4715
4716         /* deal with machine password changes differently from userinfo changes */
4717         /* check to see if we have the sufficient rights */
4718
4719         acb_info = pdb_get_acct_ctrl(pwd);
4720         if (acb_info & ACB_WSTRUST)
4721                 has_enough_rights = user_has_privileges(p->server_info->ptok,
4722                                                         &se_machine_account);
4723         else if (acb_info & ACB_NORMAL)
4724                 has_enough_rights = user_has_privileges(p->server_info->ptok,
4725                                                         &se_add_users);
4726         else if (acb_info & (ACB_SVRTRUST|ACB_DOMTRUST)) {
4727                 if (lp_enable_privileges()) {
4728                         has_enough_rights = nt_token_check_domain_rid(p->server_info->ptok,
4729                                                                       DOMAIN_GROUP_RID_ADMINS);
4730                 }
4731         }
4732
4733         DEBUG(5, ("_samr_SetUserInfo: %s does%s possess sufficient rights\n",
4734                   uidtoname(p->server_info->utok.uid),
4735                   has_enough_rights ? "" : " not"));
4736
4737         /* ================ BEGIN SeMachineAccountPrivilege BLOCK ================ */
4738
4739         if (has_enough_rights) {
4740                 become_root();
4741         }
4742
4743         /* ok!  user info levels (lots: see MSDEV help), off we go... */
4744
4745         switch (switch_value) {
4746
4747                 case 2:
4748                         status = set_user_info_2(p->mem_ctx,
4749                                                  &info->info2, pwd);
4750                         break;
4751
4752                 case 4:
4753                         status = set_user_info_4(p->mem_ctx,
4754                                                  &info->info4, pwd);
4755                         break;
4756
4757                 case 6:
4758                         status = set_user_info_6(p->mem_ctx,
4759                                                  &info->info6, pwd);
4760                         break;
4761
4762                 case 7:
4763                         status = set_user_info_7(p->mem_ctx,
4764                                                  &info->info7, pwd);
4765                         break;
4766
4767                 case 8:
4768                         status = set_user_info_8(p->mem_ctx,
4769                                                  &info->info8, pwd);
4770                         break;
4771
4772                 case 10:
4773                         status = set_user_info_10(p->mem_ctx,
4774                                                   &info->info10, pwd);
4775                         break;
4776
4777                 case 11:
4778                         status = set_user_info_11(p->mem_ctx,
4779                                                   &info->info11, pwd);
4780                         break;
4781
4782                 case 12:
4783                         status = set_user_info_12(p->mem_ctx,
4784                                                   &info->info12, pwd);
4785                         break;
4786
4787                 case 13:
4788                         status = set_user_info_13(p->mem_ctx,
4789                                                   &info->info13, pwd);
4790                         break;
4791
4792                 case 14:
4793                         status = set_user_info_14(p->mem_ctx,
4794                                                   &info->info14, pwd);
4795                         break;
4796
4797                 case 16:
4798                         status = set_user_info_16(p->mem_ctx,
4799                                                   &info->info16, pwd);
4800                         break;
4801
4802                 case 17:
4803                         status = set_user_info_17(p->mem_ctx,
4804                                                   &info->info17, pwd);
4805                         break;
4806
4807                 case 18:
4808                         /* Used by AS/U JRA. */
4809                         status = set_user_info_18(&info->info18,
4810                                                   p->mem_ctx,
4811                                                   &p->server_info->user_session_key,
4812                                                   pwd);
4813                         break;
4814
4815                 case 20:
4816                         status = set_user_info_20(p->mem_ctx,
4817                                                   &info->info20, pwd);
4818                         break;
4819
4820                 case 21:
4821                         status = set_user_info_21(&info->info21,
4822                                                   p->mem_ctx,
4823                                                   &p->server_info->user_session_key,
4824                                                   pwd);
4825                         break;
4826
4827                 case 23:
4828                         if (!p->server_info->user_session_key.length) {
4829                                 status = NT_STATUS_NO_USER_SESSION_KEY;
4830                         }
4831                         arcfour_crypt_blob(info->info23.password.data, 516,
4832                                            &p->server_info->user_session_key);
4833
4834                         dump_data(100, info->info23.password.data, 516);
4835
4836                         status = set_user_info_23(p->mem_ctx,
4837                                                   &info->info23, pwd);
4838                         break;
4839
4840                 case 24:
4841                         if (!p->server_info->user_session_key.length) {
4842                                 status = NT_STATUS_NO_USER_SESSION_KEY;
4843                         }
4844                         arcfour_crypt_blob(info->info24.password.data,
4845                                            516,
4846                                            &p->server_info->user_session_key);
4847
4848                         dump_data(100, info->info24.password.data, 516);
4849
4850                         status = set_user_info_24(p->mem_ctx,
4851                                                   &info->info24, pwd);
4852                         break;
4853
4854                 case 25:
4855                         if (!p->server_info->user_session_key.length) {
4856                                 status = NT_STATUS_NO_USER_SESSION_KEY;
4857                         }
4858                         encode_or_decode_arc4_passwd_buffer(
4859                                 info->info25.password.data,
4860                                 &p->server_info->user_session_key);
4861
4862                         dump_data(100, info->info25.password.data, 532);
4863
4864                         status = set_user_info_25(p->mem_ctx,
4865                                                   &info->info25, pwd);
4866                         break;
4867
4868                 case 26:
4869                         if (!p->server_info->user_session_key.length) {
4870                                 status = NT_STATUS_NO_USER_SESSION_KEY;
4871                         }
4872                         encode_or_decode_arc4_passwd_buffer(
4873                                 info->info26.password.data,
4874                                 &p->server_info->user_session_key);
4875
4876                         dump_data(100, info->info26.password.data, 516);
4877
4878                         status = set_user_info_26(p->mem_ctx,
4879                                                   &info->info26, pwd);
4880                         break;
4881
4882                 default:
4883                         status = NT_STATUS_INVALID_INFO_CLASS;
4884         }
4885
4886         TALLOC_FREE(pwd);
4887
4888         if (has_enough_rights) {
4889                 unbecome_root();
4890         }
4891
4892         /* ================ END SeMachineAccountPrivilege BLOCK ================ */
4893
4894         if (NT_STATUS_IS_OK(status)) {
4895                 force_flush_samr_cache(&uinfo->sid);
4896         }
4897
4898         return status;
4899 }
4900
4901 /*******************************************************************
4902  _samr_SetUserInfo2
4903  ********************************************************************/
4904
4905 NTSTATUS _samr_SetUserInfo2(pipes_struct *p,
4906                             struct samr_SetUserInfo2 *r)
4907 {
4908         struct samr_SetUserInfo q;
4909
4910         q.in.user_handle        = r->in.user_handle;
4911         q.in.level              = r->in.level;
4912         q.in.info               = r->in.info;
4913
4914         return _samr_SetUserInfo(p, &q);
4915 }
4916
4917 /*********************************************************************
4918  _samr_GetAliasMembership
4919 *********************************************************************/
4920
4921 NTSTATUS _samr_GetAliasMembership(pipes_struct *p,
4922                                   struct samr_GetAliasMembership *r)
4923 {
4924         size_t num_alias_rids;
4925         uint32 *alias_rids;
4926         struct samr_domain_info *dinfo;
4927         size_t i;
4928
4929         NTSTATUS status;
4930
4931         DOM_SID *members;
4932
4933         DEBUG(5,("_samr_GetAliasMembership: %d\n", __LINE__));
4934
4935         dinfo = policy_handle_find(p, r->in.domain_handle,
4936                                    SAMR_DOMAIN_ACCESS_LOOKUP_ALIAS
4937                                    | SAMR_DOMAIN_ACCESS_OPEN_ACCOUNT, NULL,
4938                                    struct samr_domain_info, &status);
4939         if (!NT_STATUS_IS_OK(status)) {
4940                 return status;
4941         }
4942
4943         if (!sid_check_is_domain(&dinfo->sid) &&
4944             !sid_check_is_builtin(&dinfo->sid))
4945                 return NT_STATUS_OBJECT_TYPE_MISMATCH;
4946
4947         if (r->in.sids->num_sids) {
4948                 members = TALLOC_ARRAY(p->mem_ctx, DOM_SID, r->in.sids->num_sids);
4949
4950                 if (members == NULL)
4951                         return NT_STATUS_NO_MEMORY;
4952         } else {
4953                 members = NULL;
4954         }
4955
4956         for (i=0; i<r->in.sids->num_sids; i++)
4957                 sid_copy(&members[i], r->in.sids->sids[i].sid);
4958
4959         alias_rids = NULL;
4960         num_alias_rids = 0;
4961
4962         become_root();
4963         status = pdb_enum_alias_memberships(p->mem_ctx, &dinfo->sid, members,
4964                                             r->in.sids->num_sids,
4965                                             &alias_rids, &num_alias_rids);
4966         unbecome_root();
4967
4968         if (!NT_STATUS_IS_OK(status)) {
4969                 return status;
4970         }
4971
4972         r->out.rids->count = num_alias_rids;
4973         r->out.rids->ids = alias_rids;
4974
4975         return NT_STATUS_OK;
4976 }
4977
4978 /*********************************************************************
4979  _samr_GetMembersInAlias
4980 *********************************************************************/
4981
4982 NTSTATUS _samr_GetMembersInAlias(pipes_struct *p,
4983                                  struct samr_GetMembersInAlias *r)
4984 {
4985         struct samr_alias_info *ainfo;
4986         NTSTATUS status;
4987         size_t i;
4988         size_t num_sids = 0;
4989         struct lsa_SidPtr *sids = NULL;
4990         DOM_SID *pdb_sids = NULL;
4991
4992         ainfo = policy_handle_find(p, r->in.alias_handle,
4993                                    SAMR_ALIAS_ACCESS_GET_MEMBERS, NULL,
4994                                    struct samr_alias_info, &status);
4995         if (!NT_STATUS_IS_OK(status)) {
4996                 return status;
4997         }
4998
4999         DEBUG(10, ("sid is %s\n", sid_string_dbg(&ainfo->sid)));
5000
5001         become_root();
5002         status = pdb_enum_aliasmem(&ainfo->sid, &pdb_sids, &num_sids);
5003         unbecome_root();
5004
5005         if (!NT_STATUS_IS_OK(status)) {
5006                 return status;
5007         }
5008
5009         if (num_sids) {
5010                 sids = TALLOC_ZERO_ARRAY(p->mem_ctx, struct lsa_SidPtr, num_sids);
5011                 if (sids == NULL) {
5012                         TALLOC_FREE(pdb_sids);
5013                         return NT_STATUS_NO_MEMORY;
5014                 }
5015         }
5016
5017         for (i = 0; i < num_sids; i++) {
5018                 sids[i].sid = sid_dup_talloc(p->mem_ctx, &pdb_sids[i]);
5019                 if (!sids[i].sid) {
5020                         TALLOC_FREE(pdb_sids);
5021                         return NT_STATUS_NO_MEMORY;
5022                 }
5023         }
5024
5025         r->out.sids->num_sids = num_sids;
5026         r->out.sids->sids = sids;
5027
5028         TALLOC_FREE(pdb_sids);
5029
5030         return NT_STATUS_OK;
5031 }
5032
5033 /*********************************************************************
5034  _samr_QueryGroupMember
5035 *********************************************************************/
5036
5037 NTSTATUS _samr_QueryGroupMember(pipes_struct *p,
5038                                 struct samr_QueryGroupMember *r)
5039 {
5040         struct samr_group_info *ginfo;
5041         size_t i, num_members;
5042
5043         uint32 *rid=NULL;
5044         uint32 *attr=NULL;
5045
5046         NTSTATUS status;
5047         struct samr_RidTypeArray *rids = NULL;
5048
5049         ginfo = policy_handle_find(p, r->in.group_handle,
5050                                    SAMR_GROUP_ACCESS_GET_MEMBERS, NULL,
5051                                    struct samr_group_info, &status);
5052         if (!NT_STATUS_IS_OK(status)) {
5053                 return status;
5054         }
5055
5056         rids = TALLOC_ZERO_P(p->mem_ctx, struct samr_RidTypeArray);
5057         if (!rids) {
5058                 return NT_STATUS_NO_MEMORY;
5059         }
5060
5061         DEBUG(10, ("sid is %s\n", sid_string_dbg(&ginfo->sid)));
5062
5063         if (!sid_check_is_in_our_domain(&ginfo->sid)) {
5064                 DEBUG(3, ("sid %s is not in our domain\n",
5065                           sid_string_dbg(&ginfo->sid)));
5066                 return NT_STATUS_NO_SUCH_GROUP;
5067         }
5068
5069         DEBUG(10, ("lookup on Domain SID\n"));
5070
5071         become_root();
5072         status = pdb_enum_group_members(p->mem_ctx, &ginfo->sid,
5073                                         &rid, &num_members);
5074         unbecome_root();
5075
5076         if (!NT_STATUS_IS_OK(status))
5077                 return status;
5078
5079         if (num_members) {
5080                 attr=TALLOC_ZERO_ARRAY(p->mem_ctx, uint32, num_members);
5081                 if (attr == NULL) {
5082                         return NT_STATUS_NO_MEMORY;
5083                 }
5084         } else {
5085                 attr = NULL;
5086         }
5087
5088         for (i=0; i<num_members; i++)
5089                 attr[i] = SID_NAME_USER;
5090
5091         rids->count = num_members;
5092         rids->types = attr;
5093         rids->rids = rid;
5094
5095         *r->out.rids = rids;
5096
5097         return NT_STATUS_OK;
5098 }
5099
5100 /*********************************************************************
5101  _samr_AddAliasMember
5102 *********************************************************************/
5103
5104 NTSTATUS _samr_AddAliasMember(pipes_struct *p,
5105                               struct samr_AddAliasMember *r)
5106 {
5107         struct samr_alias_info *ainfo;
5108         SE_PRIV se_rights;
5109         bool can_add_accounts;
5110         NTSTATUS status;
5111
5112         ainfo = policy_handle_find(p, r->in.alias_handle,
5113                                    SAMR_ALIAS_ACCESS_ADD_MEMBER, NULL,
5114                                    struct samr_alias_info, &status);
5115         if (!NT_STATUS_IS_OK(status)) {
5116                 return status;
5117         }
5118
5119         DEBUG(10, ("sid is %s\n", sid_string_dbg(&ainfo->sid)));
5120
5121         se_priv_copy( &se_rights, &se_add_users );
5122         can_add_accounts = user_has_privileges( p->server_info->ptok, &se_rights );
5123
5124         /******** BEGIN SeAddUsers BLOCK *********/
5125
5126         if ( can_add_accounts )
5127                 become_root();
5128
5129         status = pdb_add_aliasmem(&ainfo->sid, r->in.sid);
5130
5131         if ( can_add_accounts )
5132                 unbecome_root();
5133
5134         /******** END SeAddUsers BLOCK *********/
5135
5136         if (NT_STATUS_IS_OK(status)) {
5137                 force_flush_samr_cache(&ainfo->sid);
5138         }
5139
5140         return status;
5141 }
5142
5143 /*********************************************************************
5144  _samr_DeleteAliasMember
5145 *********************************************************************/
5146
5147 NTSTATUS _samr_DeleteAliasMember(pipes_struct *p,
5148                                  struct samr_DeleteAliasMember *r)
5149 {
5150         struct samr_alias_info *ainfo;
5151         SE_PRIV se_rights;
5152         bool can_add_accounts;
5153         NTSTATUS status;
5154
5155         ainfo = policy_handle_find(p, r->in.alias_handle,
5156                                    SAMR_ALIAS_ACCESS_REMOVE_MEMBER, NULL,
5157                                    struct samr_alias_info, &status);
5158         if (!NT_STATUS_IS_OK(status)) {
5159                 return status;
5160         }
5161
5162         DEBUG(10, ("_samr_del_aliasmem:sid is %s\n",
5163                    sid_string_dbg(&ainfo->sid)));
5164
5165         se_priv_copy( &se_rights, &se_add_users );
5166         can_add_accounts = user_has_privileges( p->server_info->ptok, &se_rights );
5167
5168         /******** BEGIN SeAddUsers BLOCK *********/
5169
5170         if ( can_add_accounts )
5171                 become_root();
5172
5173         status = pdb_del_aliasmem(&ainfo->sid, r->in.sid);
5174
5175         if ( can_add_accounts )
5176                 unbecome_root();
5177
5178         /******** END SeAddUsers BLOCK *********/
5179
5180         if (NT_STATUS_IS_OK(status)) {
5181                 force_flush_samr_cache(&ainfo->sid);
5182         }
5183
5184         return status;
5185 }
5186
5187 /*********************************************************************
5188  _samr_AddGroupMember
5189 *********************************************************************/
5190
5191 NTSTATUS _samr_AddGroupMember(pipes_struct *p,
5192                               struct samr_AddGroupMember *r)
5193 {
5194         struct samr_group_info *ginfo;
5195         NTSTATUS status;
5196         uint32 group_rid;
5197         SE_PRIV se_rights;
5198         bool can_add_accounts;
5199
5200         ginfo = policy_handle_find(p, r->in.group_handle,
5201                                    SAMR_GROUP_ACCESS_ADD_MEMBER, NULL,
5202                                    struct samr_group_info, &status);
5203         if (!NT_STATUS_IS_OK(status)) {
5204                 return status;
5205         }
5206
5207         DEBUG(10, ("sid is %s\n", sid_string_dbg(&ginfo->sid)));
5208
5209         if (!sid_peek_check_rid(get_global_sam_sid(), &ginfo->sid,
5210                                 &group_rid)) {
5211                 return NT_STATUS_INVALID_HANDLE;
5212         }
5213
5214         se_priv_copy( &se_rights, &se_add_users );
5215         can_add_accounts = user_has_privileges( p->server_info->ptok, &se_rights );
5216
5217         /******** BEGIN SeAddUsers BLOCK *********/
5218
5219         if ( can_add_accounts )
5220                 become_root();
5221
5222         status = pdb_add_groupmem(p->mem_ctx, group_rid, r->in.rid);
5223
5224         if ( can_add_accounts )
5225                 unbecome_root();
5226
5227         /******** END SeAddUsers BLOCK *********/
5228
5229         force_flush_samr_cache(&ginfo->sid);
5230
5231         return status;
5232 }
5233
5234 /*********************************************************************
5235  _samr_DeleteGroupMember
5236 *********************************************************************/
5237
5238 NTSTATUS _samr_DeleteGroupMember(pipes_struct *p,
5239                                  struct samr_DeleteGroupMember *r)
5240
5241 {
5242         struct samr_group_info *ginfo;
5243         NTSTATUS status;
5244         uint32 group_rid;
5245         SE_PRIV se_rights;
5246         bool can_add_accounts;
5247
5248         /*
5249          * delete the group member named r->in.rid
5250          * who is a member of the sid associated with the handle
5251          * the rid is a user's rid as the group is a domain group.
5252          */
5253
5254         ginfo = policy_handle_find(p, r->in.group_handle,
5255                                    SAMR_GROUP_ACCESS_REMOVE_MEMBER, NULL,
5256                                    struct samr_group_info, &status);
5257         if (!NT_STATUS_IS_OK(status)) {
5258                 return status;
5259         }
5260
5261         if (!sid_peek_check_rid(get_global_sam_sid(), &ginfo->sid,
5262                                 &group_rid)) {
5263                 return NT_STATUS_INVALID_HANDLE;
5264         }
5265
5266         se_priv_copy( &se_rights, &se_add_users );
5267         can_add_accounts = user_has_privileges( p->server_info->ptok, &se_rights );
5268
5269         /******** BEGIN SeAddUsers BLOCK *********/
5270
5271         if ( can_add_accounts )
5272                 become_root();
5273
5274         status = pdb_del_groupmem(p->mem_ctx, group_rid, r->in.rid);
5275
5276         if ( can_add_accounts )
5277                 unbecome_root();
5278
5279         /******** END SeAddUsers BLOCK *********/
5280
5281         force_flush_samr_cache(&ginfo->sid);
5282
5283         return status;
5284 }
5285
5286 /*********************************************************************
5287  _samr_DeleteUser
5288 *********************************************************************/
5289
5290 NTSTATUS _samr_DeleteUser(pipes_struct *p,
5291                           struct samr_DeleteUser *r)
5292 {
5293         struct samr_user_info *uinfo;
5294         NTSTATUS status;
5295         struct samu *sam_pass=NULL;
5296         bool can_add_accounts;
5297         uint32 acb_info;
5298         bool ret;
5299
5300         DEBUG(5, ("_samr_DeleteUser: %d\n", __LINE__));
5301
5302         uinfo = policy_handle_find(p, r->in.user_handle,
5303                                    STD_RIGHT_DELETE_ACCESS, NULL,
5304                                    struct samr_user_info, &status);
5305         if (!NT_STATUS_IS_OK(status)) {
5306                 return status;
5307         }
5308
5309         if (!sid_check_is_in_our_domain(&uinfo->sid))
5310                 return NT_STATUS_CANNOT_DELETE;
5311
5312         /* check if the user exists before trying to delete */
5313         if ( !(sam_pass = samu_new( NULL )) ) {
5314                 return NT_STATUS_NO_MEMORY;
5315         }
5316
5317         become_root();
5318         ret = pdb_getsampwsid(sam_pass, &uinfo->sid);
5319         unbecome_root();
5320
5321         if( !ret ) {
5322                 DEBUG(5,("_samr_DeleteUser: User %s doesn't exist.\n",
5323                         sid_string_dbg(&uinfo->sid)));
5324                 TALLOC_FREE(sam_pass);
5325                 return NT_STATUS_NO_SUCH_USER;
5326         }
5327
5328         acb_info = pdb_get_acct_ctrl(sam_pass);
5329
5330         /* For machine accounts it's the SeMachineAccountPrivilege that counts. */
5331         if ( acb_info & ACB_WSTRUST ) {
5332                 can_add_accounts = user_has_privileges( p->server_info->ptok, &se_machine_account );
5333         } else {
5334                 can_add_accounts = user_has_privileges( p->server_info->ptok, &se_add_users );
5335         }
5336
5337         /******** BEGIN SeAddUsers BLOCK *********/
5338
5339         if ( can_add_accounts )
5340                 become_root();
5341
5342         status = pdb_delete_user(p->mem_ctx, sam_pass);
5343
5344         if ( can_add_accounts )
5345                 unbecome_root();
5346
5347         /******** END SeAddUsers BLOCK *********/
5348
5349         if ( !NT_STATUS_IS_OK(status) ) {
5350                 DEBUG(5,("_samr_DeleteUser: Failed to delete entry for "
5351                          "user %s: %s.\n", pdb_get_username(sam_pass),
5352                          nt_errstr(status)));
5353                 TALLOC_FREE(sam_pass);
5354                 return status;
5355         }
5356
5357
5358         TALLOC_FREE(sam_pass);
5359
5360         if (!close_policy_hnd(p, r->in.user_handle))
5361                 return NT_STATUS_OBJECT_NAME_INVALID;
5362
5363         ZERO_STRUCTP(r->out.user_handle);
5364
5365         force_flush_samr_cache(&uinfo->sid);
5366
5367         return NT_STATUS_OK;
5368 }
5369
5370 /*********************************************************************
5371  _samr_DeleteDomainGroup
5372 *********************************************************************/
5373
5374 NTSTATUS _samr_DeleteDomainGroup(pipes_struct *p,
5375                                  struct samr_DeleteDomainGroup *r)
5376 {
5377         struct samr_group_info *ginfo;
5378         NTSTATUS status;
5379         uint32 group_rid;
5380         SE_PRIV se_rights;
5381         bool can_add_accounts;
5382
5383         DEBUG(5, ("samr_DeleteDomainGroup: %d\n", __LINE__));
5384
5385         ginfo = policy_handle_find(p, r->in.group_handle,
5386                                    STD_RIGHT_DELETE_ACCESS, NULL,
5387                                    struct samr_group_info, &status);
5388         if (!NT_STATUS_IS_OK(status)) {
5389                 return status;
5390         }
5391
5392         DEBUG(10, ("sid is %s\n", sid_string_dbg(&ginfo->sid)));
5393
5394         if (!sid_peek_check_rid(get_global_sam_sid(), &ginfo->sid,
5395                                 &group_rid)) {
5396                 return NT_STATUS_NO_SUCH_GROUP;
5397         }
5398
5399         se_priv_copy( &se_rights, &se_add_users );
5400         can_add_accounts = user_has_privileges( p->server_info->ptok, &se_rights );
5401
5402         /******** BEGIN SeAddUsers BLOCK *********/
5403
5404         if ( can_add_accounts )
5405                 become_root();
5406
5407         status = pdb_delete_dom_group(p->mem_ctx, group_rid);
5408
5409         if ( can_add_accounts )
5410                 unbecome_root();
5411
5412         /******** END SeAddUsers BLOCK *********/
5413
5414         if ( !NT_STATUS_IS_OK(status) ) {
5415                 DEBUG(5,("_samr_DeleteDomainGroup: Failed to delete mapping "
5416                          "entry for group %s: %s\n",
5417                          sid_string_dbg(&ginfo->sid),
5418                          nt_errstr(status)));
5419                 return status;
5420         }
5421
5422         if (!close_policy_hnd(p, r->in.group_handle))
5423                 return NT_STATUS_OBJECT_NAME_INVALID;
5424
5425         force_flush_samr_cache(&ginfo->sid);
5426
5427         return NT_STATUS_OK;
5428 }
5429
5430 /*********************************************************************
5431  _samr_DeleteDomAlias
5432 *********************************************************************/
5433
5434 NTSTATUS _samr_DeleteDomAlias(pipes_struct *p,
5435                               struct samr_DeleteDomAlias *r)
5436 {
5437         struct samr_alias_info *ainfo;
5438         SE_PRIV se_rights;
5439         bool can_add_accounts;
5440         NTSTATUS status;
5441
5442         DEBUG(5, ("_samr_DeleteDomAlias: %d\n", __LINE__));
5443
5444         ainfo = policy_handle_find(p, r->in.alias_handle,
5445                                    STD_RIGHT_DELETE_ACCESS, NULL,
5446                                    struct samr_alias_info, &status);
5447         if (!NT_STATUS_IS_OK(status)) {
5448                 return status;
5449         }
5450
5451         DEBUG(10, ("sid is %s\n", sid_string_dbg(&ainfo->sid)));
5452
5453         /* Don't let Windows delete builtin groups */
5454
5455         if ( sid_check_is_in_builtin( &ainfo->sid ) ) {
5456                 return NT_STATUS_SPECIAL_ACCOUNT;
5457         }
5458
5459         if (!sid_check_is_in_our_domain(&ainfo->sid))
5460                 return NT_STATUS_NO_SUCH_ALIAS;
5461
5462         DEBUG(10, ("lookup on Local SID\n"));
5463
5464         se_priv_copy( &se_rights, &se_add_users );
5465         can_add_accounts = user_has_privileges( p->server_info->ptok, &se_rights );
5466
5467         /******** BEGIN SeAddUsers BLOCK *********/
5468
5469         if ( can_add_accounts )
5470                 become_root();
5471
5472         /* Have passdb delete the alias */
5473         status = pdb_delete_alias(&ainfo->sid);
5474
5475         if ( can_add_accounts )
5476                 unbecome_root();
5477
5478         /******** END SeAddUsers BLOCK *********/
5479
5480         if ( !NT_STATUS_IS_OK(status))
5481                 return status;
5482
5483         if (!close_policy_hnd(p, r->in.alias_handle))
5484                 return NT_STATUS_OBJECT_NAME_INVALID;
5485
5486         force_flush_samr_cache(&ainfo->sid);
5487
5488         return NT_STATUS_OK;
5489 }
5490
5491 /*********************************************************************
5492  _samr_CreateDomainGroup
5493 *********************************************************************/
5494
5495 NTSTATUS _samr_CreateDomainGroup(pipes_struct *p,
5496                                  struct samr_CreateDomainGroup *r)
5497
5498 {
5499         NTSTATUS status;
5500         const char *name;
5501         struct samr_domain_info *dinfo;
5502         struct samr_group_info *ginfo;
5503         SE_PRIV se_rights;
5504         bool can_add_accounts;
5505
5506         dinfo = policy_handle_find(p, r->in.domain_handle,
5507                                    SAMR_DOMAIN_ACCESS_CREATE_GROUP, NULL,
5508                                    struct samr_domain_info, &status);
5509         if (!NT_STATUS_IS_OK(status)) {
5510                 return status;
5511         }
5512
5513         if (!sid_equal(&dinfo->sid, get_global_sam_sid()))
5514                 return NT_STATUS_ACCESS_DENIED;
5515
5516         name = r->in.name->string;
5517         if (name == NULL) {
5518                 return NT_STATUS_NO_MEMORY;
5519         }
5520
5521         status = can_create(p->mem_ctx, name);
5522         if (!NT_STATUS_IS_OK(status)) {
5523                 return status;
5524         }
5525
5526         se_priv_copy( &se_rights, &se_add_users );
5527         can_add_accounts = user_has_privileges( p->server_info->ptok, &se_rights );
5528
5529         /******** BEGIN SeAddUsers BLOCK *********/
5530
5531         if ( can_add_accounts )
5532                 become_root();
5533
5534         /* check that we successfully create the UNIX group */
5535
5536         status = pdb_create_dom_group(p->mem_ctx, name, r->out.rid);
5537
5538         if ( can_add_accounts )
5539                 unbecome_root();
5540
5541         /******** END SeAddUsers BLOCK *********/
5542
5543         /* check if we should bail out here */
5544
5545         if ( !NT_STATUS_IS_OK(status) )
5546                 return status;
5547
5548         ginfo = policy_handle_create(p, r->out.group_handle,
5549                                      GENERIC_RIGHTS_GROUP_ALL_ACCESS,
5550                                      struct samr_group_info, &status);
5551         if (!NT_STATUS_IS_OK(status)) {
5552                 return status;
5553         }
5554         sid_compose(&ginfo->sid, &dinfo->sid, *r->out.rid);
5555
5556         force_flush_samr_cache(&dinfo->sid);
5557
5558         return NT_STATUS_OK;
5559 }
5560
5561 /*********************************************************************
5562  _samr_CreateDomAlias
5563 *********************************************************************/
5564
5565 NTSTATUS _samr_CreateDomAlias(pipes_struct *p,
5566                               struct samr_CreateDomAlias *r)
5567 {
5568         DOM_SID info_sid;
5569         const char *name = NULL;
5570         struct samr_domain_info *dinfo;
5571         struct samr_alias_info *ainfo;
5572         gid_t gid;
5573         NTSTATUS result;
5574         SE_PRIV se_rights;
5575         bool can_add_accounts;
5576
5577         dinfo = policy_handle_find(p, r->in.domain_handle,
5578                                    SAMR_DOMAIN_ACCESS_CREATE_ALIAS, NULL,
5579                                    struct samr_domain_info, &result);
5580         if (!NT_STATUS_IS_OK(result)) {
5581                 return result;
5582         }
5583
5584         if (!sid_equal(&dinfo->sid, get_global_sam_sid()))
5585                 return NT_STATUS_ACCESS_DENIED;
5586
5587         name = r->in.alias_name->string;
5588
5589         se_priv_copy( &se_rights, &se_add_users );
5590         can_add_accounts = user_has_privileges( p->server_info->ptok, &se_rights );
5591
5592         result = can_create(p->mem_ctx, name);
5593         if (!NT_STATUS_IS_OK(result)) {
5594                 return result;
5595         }
5596
5597         /******** BEGIN SeAddUsers BLOCK *********/
5598
5599         if ( can_add_accounts )
5600                 become_root();
5601
5602         /* Have passdb create the alias */
5603         result = pdb_create_alias(name, r->out.rid);
5604
5605         if ( can_add_accounts )
5606                 unbecome_root();
5607
5608         /******** END SeAddUsers BLOCK *********/
5609
5610         if (!NT_STATUS_IS_OK(result)) {
5611                 DEBUG(10, ("pdb_create_alias failed: %s\n",
5612                            nt_errstr(result)));
5613                 return result;
5614         }
5615
5616         sid_compose(&info_sid, &dinfo->sid, *r->out.rid);
5617
5618         if (!sid_to_gid(&info_sid, &gid)) {
5619                 DEBUG(10, ("Could not find alias just created\n"));
5620                 return NT_STATUS_ACCESS_DENIED;
5621         }
5622
5623         /* check if the group has been successfully created */
5624         if ( getgrgid(gid) == NULL ) {
5625                 DEBUG(10, ("getgrgid(%d) of just created alias failed\n",
5626                            gid));
5627                 return NT_STATUS_ACCESS_DENIED;
5628         }
5629
5630         ainfo = policy_handle_create(p, r->out.alias_handle,
5631                                      GENERIC_RIGHTS_ALIAS_ALL_ACCESS,
5632                                      struct samr_alias_info, &result);
5633         if (!NT_STATUS_IS_OK(result)) {
5634                 return result;
5635         }
5636         ainfo->sid = info_sid;
5637
5638         force_flush_samr_cache(&info_sid);
5639
5640         return NT_STATUS_OK;
5641 }
5642
5643 /*********************************************************************
5644  _samr_QueryGroupInfo
5645 *********************************************************************/
5646
5647 NTSTATUS _samr_QueryGroupInfo(pipes_struct *p,
5648                               struct samr_QueryGroupInfo *r)
5649 {
5650         struct samr_group_info *ginfo;
5651         NTSTATUS status;
5652         GROUP_MAP map;
5653         union samr_GroupInfo *info = NULL;
5654         bool ret;
5655         uint32_t attributes = SE_GROUP_MANDATORY |
5656                               SE_GROUP_ENABLED_BY_DEFAULT |
5657                               SE_GROUP_ENABLED;
5658         const char *group_name = NULL;
5659         const char *group_description = NULL;
5660
5661         ginfo = policy_handle_find(p, r->in.group_handle,
5662                                    SAMR_GROUP_ACCESS_LOOKUP_INFO, NULL,
5663                                    struct samr_group_info, &status);
5664         if (!NT_STATUS_IS_OK(status)) {
5665                 return status;
5666         }
5667
5668         become_root();
5669         ret = get_domain_group_from_sid(ginfo->sid, &map);
5670         unbecome_root();
5671         if (!ret)
5672                 return NT_STATUS_INVALID_HANDLE;
5673
5674         /* FIXME: map contains fstrings */
5675         group_name = talloc_strdup(r, map.nt_name);
5676         group_description = talloc_strdup(r, map.comment);
5677
5678         info = TALLOC_ZERO_P(p->mem_ctx, union samr_GroupInfo);
5679         if (!info) {
5680                 return NT_STATUS_NO_MEMORY;
5681         }
5682
5683         switch (r->in.level) {
5684                 case 1: {
5685                         uint32 *members;
5686                         size_t num_members;
5687
5688                         become_root();
5689                         status = pdb_enum_group_members(
5690                                 p->mem_ctx, &ginfo->sid, &members,
5691                                 &num_members);
5692                         unbecome_root();
5693
5694                         if (!NT_STATUS_IS_OK(status)) {
5695                                 return status;
5696                         }
5697
5698                         info->all.name.string           = group_name;
5699                         info->all.attributes            = attributes;
5700                         info->all.num_members           = num_members;
5701                         info->all.description.string    = group_description;
5702                         break;
5703                 }
5704                 case 2:
5705                         info->name.string = group_name;
5706                         break;
5707                 case 3:
5708                         info->attributes.attributes = attributes;
5709                         break;
5710                 case 4:
5711                         info->description.string = group_description;
5712                         break;
5713                 case 5: {
5714                         /*
5715                         uint32 *members;
5716                         size_t num_members;
5717                         */
5718
5719                         /*
5720                         become_root();
5721                         status = pdb_enum_group_members(
5722                                 p->mem_ctx, &ginfo->sid, &members,
5723                                 &num_members);
5724                         unbecome_root();
5725
5726                         if (!NT_STATUS_IS_OK(status)) {
5727                                 return status;
5728                         }
5729                         */
5730                         info->all2.name.string          = group_name;
5731                         info->all2.attributes           = attributes;
5732                         info->all2.num_members          = 0; /* num_members - in w2k3 this is always 0 */
5733                         info->all2.description.string   = group_description;
5734
5735                         break;
5736                 }
5737                 default:
5738                         return NT_STATUS_INVALID_INFO_CLASS;
5739         }
5740
5741         *r->out.info = info;
5742
5743         return NT_STATUS_OK;
5744 }
5745
5746 /*********************************************************************
5747  _samr_SetGroupInfo
5748 *********************************************************************/
5749
5750 NTSTATUS _samr_SetGroupInfo(pipes_struct *p,
5751                             struct samr_SetGroupInfo *r)
5752 {
5753         struct samr_group_info *ginfo;
5754         GROUP_MAP map;
5755         NTSTATUS status;
5756         bool ret;
5757         bool can_mod_accounts;
5758
5759         ginfo = policy_handle_find(p, r->in.group_handle,
5760                                    SAMR_GROUP_ACCESS_SET_INFO, NULL,
5761                                    struct samr_group_info, &status);
5762         if (!NT_STATUS_IS_OK(status)) {
5763                 return status;
5764         }
5765
5766         become_root();
5767         ret = get_domain_group_from_sid(ginfo->sid, &map);
5768         unbecome_root();
5769         if (!ret)
5770                 return NT_STATUS_NO_SUCH_GROUP;
5771
5772         switch (r->in.level) {
5773                 case 1:
5774                         fstrcpy(map.comment, r->in.info->all.description.string);
5775                         break;
5776                 case 2:
5777                         /* group rename is not supported yet */
5778                         return NT_STATUS_NOT_SUPPORTED;
5779                 case 4:
5780                         fstrcpy(map.comment, r->in.info->description.string);
5781                         break;
5782                 default:
5783                         return NT_STATUS_INVALID_INFO_CLASS;
5784         }
5785
5786         can_mod_accounts = user_has_privileges( p->server_info->ptok, &se_add_users );
5787
5788         /******** BEGIN SeAddUsers BLOCK *********/
5789
5790         if ( can_mod_accounts )
5791                 become_root();
5792
5793         status = pdb_update_group_mapping_entry(&map);
5794
5795         if ( can_mod_accounts )
5796                 unbecome_root();
5797
5798         /******** End SeAddUsers BLOCK *********/
5799
5800         if (NT_STATUS_IS_OK(status)) {
5801                 force_flush_samr_cache(&ginfo->sid);
5802         }
5803
5804         return status;
5805 }
5806
5807 /*********************************************************************
5808  _samr_SetAliasInfo
5809 *********************************************************************/
5810
5811 NTSTATUS _samr_SetAliasInfo(pipes_struct *p,
5812                             struct samr_SetAliasInfo *r)
5813 {
5814         struct samr_alias_info *ainfo;
5815         struct acct_info info;
5816         bool can_mod_accounts;
5817         NTSTATUS status;
5818
5819         ainfo = policy_handle_find(p, r->in.alias_handle,
5820                                    SAMR_ALIAS_ACCESS_SET_INFO, NULL,
5821                                    struct samr_alias_info, &status);
5822         if (!NT_STATUS_IS_OK(status)) {
5823                 return status;
5824         }
5825
5826         /* get the current group information */
5827
5828         become_root();
5829         status = pdb_get_aliasinfo( &ainfo->sid, &info );
5830         unbecome_root();
5831
5832         if ( !NT_STATUS_IS_OK(status))
5833                 return status;
5834
5835         switch (r->in.level) {
5836                 case ALIASINFONAME:
5837                 {
5838                         fstring group_name;
5839
5840                         /* We currently do not support renaming groups in the
5841                            the BUILTIN domain.  Refer to util_builtin.c to understand
5842                            why.  The eventually needs to be fixed to be like Windows
5843                            where you can rename builtin groups, just not delete them */
5844
5845                         if ( sid_check_is_in_builtin( &ainfo->sid ) ) {
5846                                 return NT_STATUS_SPECIAL_ACCOUNT;
5847                         }
5848
5849                         /* There has to be a valid name (and it has to be different) */
5850
5851                         if ( !r->in.info->name.string )
5852                                 return NT_STATUS_INVALID_PARAMETER;
5853
5854                         /* If the name is the same just reply "ok".  Yes this
5855                            doesn't allow you to change the case of a group name. */
5856
5857                         if ( strequal( r->in.info->name.string, info.acct_name ) )
5858                                 return NT_STATUS_OK;
5859
5860                         fstrcpy( info.acct_name, r->in.info->name.string);
5861
5862                         /* make sure the name doesn't already exist as a user
5863                            or local group */
5864
5865                         fstr_sprintf( group_name, "%s\\%s", global_myname(), info.acct_name );
5866                         status = can_create( p->mem_ctx, group_name );
5867                         if ( !NT_STATUS_IS_OK( status ) )
5868                                 return status;
5869                         break;
5870                 }
5871                 case ALIASINFODESCRIPTION:
5872                         if (r->in.info->description.string) {
5873                                 fstrcpy(info.acct_desc,
5874                                         r->in.info->description.string);
5875                         } else {
5876                                 fstrcpy( info.acct_desc, "" );
5877                         }
5878                         break;
5879                 default:
5880                         return NT_STATUS_INVALID_INFO_CLASS;
5881         }
5882
5883         can_mod_accounts = user_has_privileges( p->server_info->ptok, &se_add_users );
5884
5885         /******** BEGIN SeAddUsers BLOCK *********/
5886
5887         if ( can_mod_accounts )
5888                 become_root();
5889
5890         status = pdb_set_aliasinfo( &ainfo->sid, &info );
5891
5892         if ( can_mod_accounts )
5893                 unbecome_root();
5894
5895         /******** End SeAddUsers BLOCK *********/
5896
5897         if (NT_STATUS_IS_OK(status))
5898                 force_flush_samr_cache(&ainfo->sid);
5899
5900         return status;
5901 }
5902
5903 /****************************************************************
5904  _samr_GetDomPwInfo
5905 ****************************************************************/
5906
5907 NTSTATUS _samr_GetDomPwInfo(pipes_struct *p,
5908                             struct samr_GetDomPwInfo *r)
5909 {
5910         uint32_t min_password_length = 0;
5911         uint32_t password_properties = 0;
5912
5913         /* Perform access check.  Since this rpc does not require a
5914            policy handle it will not be caught by the access checks on
5915            SAMR_CONNECT or SAMR_CONNECT_ANON. */
5916
5917         if (!pipe_access_check(p)) {
5918                 DEBUG(3, ("access denied to _samr_GetDomPwInfo\n"));
5919                 return NT_STATUS_ACCESS_DENIED;
5920         }
5921
5922         become_root();
5923         pdb_get_account_policy(AP_MIN_PASSWORD_LEN,
5924                                &min_password_length);
5925         pdb_get_account_policy(AP_USER_MUST_LOGON_TO_CHG_PASS,
5926                                &password_properties);
5927         unbecome_root();
5928
5929         if (lp_check_password_script() && *lp_check_password_script()) {
5930                 password_properties |= DOMAIN_PASSWORD_COMPLEX;
5931         }
5932
5933         r->out.info->min_password_length = min_password_length;
5934         r->out.info->password_properties = password_properties;
5935
5936         return NT_STATUS_OK;
5937 }
5938
5939 /*********************************************************************
5940  _samr_OpenGroup
5941 *********************************************************************/
5942
5943 NTSTATUS _samr_OpenGroup(pipes_struct *p,
5944                          struct samr_OpenGroup *r)
5945
5946 {
5947         DOM_SID info_sid;
5948         GROUP_MAP map;
5949         struct samr_domain_info *dinfo;
5950         struct samr_group_info *ginfo;
5951         SEC_DESC         *psd = NULL;
5952         uint32            acc_granted;
5953         uint32            des_access = r->in.access_mask;
5954         size_t            sd_size;
5955         NTSTATUS          status;
5956         bool ret;
5957         SE_PRIV se_rights;
5958
5959         dinfo = policy_handle_find(p, r->in.domain_handle,
5960                                    SAMR_DOMAIN_ACCESS_OPEN_ACCOUNT, NULL,
5961                                    struct samr_domain_info, &status);
5962         if (!NT_STATUS_IS_OK(status)) {
5963                 return status;
5964         }
5965
5966         /*check if access can be granted as requested by client. */
5967         map_max_allowed_access(p->server_info->ptok, &des_access);
5968
5969         make_samr_object_sd(p->mem_ctx, &psd, &sd_size, &grp_generic_mapping, NULL, 0);
5970         se_map_generic(&des_access,&grp_generic_mapping);
5971
5972         se_priv_copy( &se_rights, &se_add_users );
5973
5974         status = access_check_samr_object(psd, p->server_info->ptok,
5975                 &se_rights, GENERIC_RIGHTS_GROUP_WRITE, des_access,
5976                 &acc_granted, "_samr_OpenGroup");
5977
5978         if ( !NT_STATUS_IS_OK(status) )
5979                 return status;
5980
5981         /* this should not be hard-coded like this */
5982
5983         if (!sid_equal(&dinfo->sid, get_global_sam_sid()))
5984                 return NT_STATUS_ACCESS_DENIED;
5985
5986         sid_compose(&info_sid, &dinfo->sid, r->in.rid);
5987
5988         DEBUG(10, ("_samr_OpenGroup:Opening SID: %s\n",
5989                    sid_string_dbg(&info_sid)));
5990
5991         /* check if that group really exists */
5992         become_root();
5993         ret = get_domain_group_from_sid(info_sid, &map);
5994         unbecome_root();
5995         if (!ret)
5996                 return NT_STATUS_NO_SUCH_GROUP;
5997
5998         ginfo = policy_handle_create(p, r->out.group_handle,
5999                                      GENERIC_RIGHTS_GROUP_ALL_ACCESS,
6000                                      struct samr_group_info, &status);
6001         if (!NT_STATUS_IS_OK(status)) {
6002                 return status;
6003         }
6004         ginfo->sid = info_sid;
6005
6006         return NT_STATUS_OK;
6007 }
6008
6009 /*********************************************************************
6010  _samr_RemoveMemberFromForeignDomain
6011 *********************************************************************/
6012
6013 NTSTATUS _samr_RemoveMemberFromForeignDomain(pipes_struct *p,
6014                                              struct samr_RemoveMemberFromForeignDomain *r)
6015 {
6016         struct samr_domain_info *dinfo;
6017         NTSTATUS                result;
6018
6019         DEBUG(5,("_samr_RemoveMemberFromForeignDomain: removing SID [%s]\n",
6020                  sid_string_dbg(r->in.sid)));
6021
6022         /* Find the policy handle. Open a policy on it. */
6023
6024         dinfo = policy_handle_find(p, r->in.domain_handle,
6025                                    STD_RIGHT_DELETE_ACCESS, NULL,
6026                                    struct samr_domain_info, &result);
6027         if (!NT_STATUS_IS_OK(result)) {
6028                 return result;
6029         }
6030
6031         DEBUG(8, ("_samr_RemoveMemberFromForeignDomain: sid is %s\n",
6032                   sid_string_dbg(&dinfo->sid)));
6033
6034         /* we can only delete a user from a group since we don't have
6035            nested groups anyways.  So in the latter case, just say OK */
6036
6037         /* TODO: The above comment nowadays is bogus. Since we have nested
6038          * groups now, and aliases members are never reported out of the unix
6039          * group membership, the "just say OK" makes this call a no-op. For
6040          * us. This needs fixing however. */
6041
6042         /* I've only ever seen this in the wild when deleting a user from
6043          * usrmgr.exe. domain_sid is the builtin domain, and the sid to delete
6044          * is the user about to be deleted. I very much suspect this is the
6045          * only application of this call. To verify this, let people report
6046          * other cases. */
6047
6048         if (!sid_check_is_builtin(&dinfo->sid)) {
6049                 DEBUG(1,("_samr_RemoveMemberFromForeignDomain: domain_sid = %s, "
6050                          "global_sam_sid() = %s\n",
6051                          sid_string_dbg(&dinfo->sid),
6052                          sid_string_dbg(get_global_sam_sid())));
6053                 DEBUGADD(1,("please report to samba-technical@samba.org!\n"));
6054                 return NT_STATUS_OK;
6055         }
6056
6057         force_flush_samr_cache(&dinfo->sid);
6058
6059         result = NT_STATUS_OK;
6060
6061         return result;
6062 }
6063
6064 /*******************************************************************
6065  _samr_QueryDomainInfo2
6066  ********************************************************************/
6067
6068 NTSTATUS _samr_QueryDomainInfo2(pipes_struct *p,
6069                                 struct samr_QueryDomainInfo2 *r)
6070 {
6071         struct samr_QueryDomainInfo q;
6072
6073         q.in.domain_handle      = r->in.domain_handle;
6074         q.in.level              = r->in.level;
6075
6076         q.out.info              = r->out.info;
6077
6078         return _samr_QueryDomainInfo(p, &q);
6079 }
6080
6081 /*******************************************************************
6082  _samr_SetDomainInfo
6083  ********************************************************************/
6084
6085 NTSTATUS _samr_SetDomainInfo(pipes_struct *p,
6086                              struct samr_SetDomainInfo *r)
6087 {
6088         struct samr_domain_info *dinfo;
6089         time_t u_expire, u_min_age;
6090         time_t u_logout;
6091         time_t u_lock_duration, u_reset_time;
6092         NTSTATUS result;
6093
6094         DEBUG(5,("_samr_SetDomainInfo: %d\n", __LINE__));
6095
6096         /* We do have different access bits for info
6097          * levels here, but we're really just looking for
6098          * GENERIC_RIGHTS_DOMAIN_WRITE access. Unfortunately
6099          * this maps to different specific bits. So
6100          * assume if we have SAMR_DOMAIN_ACCESS_SET_INFO_1
6101          * set we are ok. */
6102
6103         dinfo = policy_handle_find(p, r->in.domain_handle,
6104                                    SAMR_DOMAIN_ACCESS_SET_INFO_1, NULL,
6105                                    struct samr_domain_info, &result);
6106         if (!NT_STATUS_IS_OK(result)) {
6107                 return result;
6108         }
6109
6110         DEBUG(5,("_samr_SetDomainInfo: level: %d\n", r->in.level));
6111
6112         switch (r->in.level) {
6113                 case 0x01:
6114                         u_expire=nt_time_to_unix_abs((NTTIME *)&r->in.info->info1.max_password_age);
6115                         u_min_age=nt_time_to_unix_abs((NTTIME *)&r->in.info->info1.min_password_age);
6116                         pdb_set_account_policy(AP_MIN_PASSWORD_LEN, (uint32)r->in.info->info1.min_password_length);
6117                         pdb_set_account_policy(AP_PASSWORD_HISTORY, (uint32)r->in.info->info1.password_history_length);
6118                         pdb_set_account_policy(AP_USER_MUST_LOGON_TO_CHG_PASS, (uint32)r->in.info->info1.password_properties);
6119                         pdb_set_account_policy(AP_MAX_PASSWORD_AGE, (int)u_expire);
6120                         pdb_set_account_policy(AP_MIN_PASSWORD_AGE, (int)u_min_age);
6121                         break;
6122                 case 0x03:
6123                         u_logout=nt_time_to_unix_abs((NTTIME *)&r->in.info->info3.force_logoff_time);
6124                         pdb_set_account_policy(AP_TIME_TO_LOGOUT, (int)u_logout);
6125                         break;
6126                 case 0x04:
6127                         break;
6128                 case 0x06:
6129                         break;
6130                 case 0x07:
6131                         break;
6132                 case 0x09:
6133                         break;
6134                 case 0x0c:
6135                         u_lock_duration=nt_time_to_unix_abs((NTTIME *)&r->in.info->info12.lockout_duration);
6136                         if (u_lock_duration != -1)
6137                                 u_lock_duration /= 60;
6138
6139                         u_reset_time=nt_time_to_unix_abs((NTTIME *)&r->in.info->info12.lockout_window)/60;
6140
6141                         pdb_set_account_policy(AP_LOCK_ACCOUNT_DURATION, (int)u_lock_duration);
6142                         pdb_set_account_policy(AP_RESET_COUNT_TIME, (int)u_reset_time);
6143                         pdb_set_account_policy(AP_BAD_ATTEMPT_LOCKOUT, (uint32)r->in.info->info12.lockout_threshold);
6144                         break;
6145                 default:
6146                         return NT_STATUS_INVALID_INFO_CLASS;
6147         }
6148
6149         DEBUG(5,("_samr_SetDomainInfo: %d\n", __LINE__));
6150
6151         return NT_STATUS_OK;
6152 }
6153
6154 /****************************************************************
6155  _samr_GetDisplayEnumerationIndex
6156 ****************************************************************/
6157
6158 NTSTATUS _samr_GetDisplayEnumerationIndex(pipes_struct *p,
6159                                           struct samr_GetDisplayEnumerationIndex *r)
6160 {
6161         struct samr_domain_info *dinfo;
6162         uint32_t max_entries = (uint32_t) -1;
6163         uint32_t enum_context = 0;
6164         int i;
6165         uint32_t num_account = 0;
6166         struct samr_displayentry *entries = NULL;
6167         NTSTATUS status;
6168
6169         DEBUG(5,("_samr_GetDisplayEnumerationIndex: %d\n", __LINE__));
6170
6171         dinfo = policy_handle_find(p, r->in.domain_handle,
6172                                    SAMR_DOMAIN_ACCESS_ENUM_ACCOUNTS, NULL,
6173                                    struct samr_domain_info, &status);
6174         if (!NT_STATUS_IS_OK(status)) {
6175                 return status;
6176         }
6177
6178         if ((r->in.level < 1) || (r->in.level > 3)) {
6179                 DEBUG(0,("_samr_GetDisplayEnumerationIndex: "
6180                         "Unknown info level (%u)\n",
6181                         r->in.level));
6182                 return NT_STATUS_INVALID_INFO_CLASS;
6183         }
6184
6185         become_root();
6186
6187         /* The following done as ROOT. Don't return without unbecome_root(). */
6188
6189         switch (r->in.level) {
6190         case 1:
6191                 if (dinfo->disp_info->users == NULL) {
6192                         dinfo->disp_info->users = pdb_search_users(
6193                                 dinfo->disp_info, ACB_NORMAL);
6194                         if (dinfo->disp_info->users == NULL) {
6195                                 unbecome_root();
6196                                 return NT_STATUS_ACCESS_DENIED;
6197                         }
6198                         DEBUG(10,("_samr_GetDisplayEnumerationIndex: "
6199                                 "starting user enumeration at index %u\n",
6200                                 (unsigned int)enum_context));
6201                 } else {
6202                         DEBUG(10,("_samr_GetDisplayEnumerationIndex: "
6203                                 "using cached user enumeration at index %u\n",
6204                                 (unsigned int)enum_context));
6205                 }
6206                 num_account = pdb_search_entries(dinfo->disp_info->users,
6207                                                  enum_context, max_entries,
6208                                                  &entries);
6209                 break;
6210         case 2:
6211                 if (dinfo->disp_info->machines == NULL) {
6212                         dinfo->disp_info->machines = pdb_search_users(
6213                                 dinfo->disp_info, ACB_WSTRUST|ACB_SVRTRUST);
6214                         if (dinfo->disp_info->machines == NULL) {
6215                                 unbecome_root();
6216                                 return NT_STATUS_ACCESS_DENIED;
6217                         }
6218                         DEBUG(10,("_samr_GetDisplayEnumerationIndex: "
6219                                 "starting machine enumeration at index %u\n",
6220                                 (unsigned int)enum_context));
6221                 } else {
6222                         DEBUG(10,("_samr_GetDisplayEnumerationIndex: "
6223                                 "using cached machine enumeration at index %u\n",
6224                                 (unsigned int)enum_context));
6225                 }
6226                 num_account = pdb_search_entries(dinfo->disp_info->machines,
6227                                                  enum_context, max_entries,
6228                                                  &entries);
6229                 break;
6230         case 3:
6231                 if (dinfo->disp_info->groups == NULL) {
6232                         dinfo->disp_info->groups = pdb_search_groups(
6233                                 dinfo->disp_info);
6234                         if (dinfo->disp_info->groups == NULL) {
6235                                 unbecome_root();
6236                                 return NT_STATUS_ACCESS_DENIED;
6237                         }
6238                         DEBUG(10,("_samr_GetDisplayEnumerationIndex: "
6239                                 "starting group enumeration at index %u\n",
6240                                 (unsigned int)enum_context));
6241                 } else {
6242                         DEBUG(10,("_samr_GetDisplayEnumerationIndex: "
6243                                 "using cached group enumeration at index %u\n",
6244                                 (unsigned int)enum_context));
6245                 }
6246                 num_account = pdb_search_entries(dinfo->disp_info->groups,
6247                                                  enum_context, max_entries,
6248                                                  &entries);
6249                 break;
6250         default:
6251                 unbecome_root();
6252                 smb_panic("info class changed");
6253                 break;
6254         }
6255
6256         unbecome_root();
6257
6258         /* Ensure we cache this enumeration. */
6259         set_disp_info_cache_timeout(dinfo->disp_info, DISP_INFO_CACHE_TIMEOUT);
6260
6261         DEBUG(10,("_samr_GetDisplayEnumerationIndex: looking for :%s\n",
6262                 r->in.name->string));
6263
6264         for (i=0; i<num_account; i++) {
6265                 if (strequal(entries[i].account_name, r->in.name->string)) {
6266                         DEBUG(10,("_samr_GetDisplayEnumerationIndex: "
6267                                 "found %s at idx %d\n",
6268                                 r->in.name->string, i));
6269                         *r->out.idx = i;
6270                         return NT_STATUS_OK;
6271                 }
6272         }
6273
6274         /* assuming account_name lives at the very end */
6275         *r->out.idx = num_account;
6276
6277         return NT_STATUS_NO_MORE_ENTRIES;
6278 }
6279
6280 /****************************************************************
6281  _samr_GetDisplayEnumerationIndex2
6282 ****************************************************************/
6283
6284 NTSTATUS _samr_GetDisplayEnumerationIndex2(pipes_struct *p,
6285                                            struct samr_GetDisplayEnumerationIndex2 *r)
6286 {
6287         struct samr_GetDisplayEnumerationIndex q;
6288
6289         q.in.domain_handle      = r->in.domain_handle;
6290         q.in.level              = r->in.level;
6291         q.in.name               = r->in.name;
6292
6293         q.out.idx               = r->out.idx;
6294
6295         return _samr_GetDisplayEnumerationIndex(p, &q);
6296 }
6297
6298 /****************************************************************
6299 ****************************************************************/
6300
6301 NTSTATUS _samr_Shutdown(pipes_struct *p,
6302                         struct samr_Shutdown *r)
6303 {
6304         p->rng_fault_state = true;
6305         return NT_STATUS_NOT_IMPLEMENTED;
6306 }
6307
6308 /****************************************************************
6309 ****************************************************************/
6310
6311 NTSTATUS _samr_SetMemberAttributesOfGroup(pipes_struct *p,
6312                                           struct samr_SetMemberAttributesOfGroup *r)
6313 {
6314         p->rng_fault_state = true;
6315         return NT_STATUS_NOT_IMPLEMENTED;
6316 }
6317
6318 /****************************************************************
6319 ****************************************************************/
6320
6321 NTSTATUS _samr_TestPrivateFunctionsDomain(pipes_struct *p,
6322                                           struct samr_TestPrivateFunctionsDomain *r)
6323 {
6324         p->rng_fault_state = true;
6325         return NT_STATUS_NOT_IMPLEMENTED;
6326 }
6327
6328 /****************************************************************
6329 ****************************************************************/
6330
6331 NTSTATUS _samr_TestPrivateFunctionsUser(pipes_struct *p,
6332                                         struct samr_TestPrivateFunctionsUser *r)
6333 {
6334         return NT_STATUS_NOT_IMPLEMENTED;
6335 }
6336
6337 /****************************************************************
6338 ****************************************************************/
6339
6340 NTSTATUS _samr_AddMultipleMembersToAlias(pipes_struct *p,
6341                                          struct samr_AddMultipleMembersToAlias *r)
6342 {
6343         p->rng_fault_state = true;
6344         return NT_STATUS_NOT_IMPLEMENTED;
6345 }
6346
6347 /****************************************************************
6348 ****************************************************************/
6349
6350 NTSTATUS _samr_RemoveMultipleMembersFromAlias(pipes_struct *p,
6351                                               struct samr_RemoveMultipleMembersFromAlias *r)
6352 {
6353         p->rng_fault_state = true;
6354         return NT_STATUS_NOT_IMPLEMENTED;
6355 }
6356
6357 /****************************************************************
6358 ****************************************************************/
6359
6360 NTSTATUS _samr_SetBootKeyInformation(pipes_struct *p,
6361                                      struct samr_SetBootKeyInformation *r)
6362 {
6363         p->rng_fault_state = true;
6364         return NT_STATUS_NOT_IMPLEMENTED;
6365 }
6366
6367 /****************************************************************
6368 ****************************************************************/
6369
6370 NTSTATUS _samr_GetBootKeyInformation(pipes_struct *p,
6371                                      struct samr_GetBootKeyInformation *r)
6372 {
6373         p->rng_fault_state = true;
6374         return NT_STATUS_NOT_IMPLEMENTED;
6375 }
6376
6377 /****************************************************************
6378 ****************************************************************/
6379
6380 NTSTATUS _samr_RidToSid(pipes_struct *p,
6381                         struct samr_RidToSid *r)
6382 {
6383         p->rng_fault_state = true;
6384         return NT_STATUS_NOT_IMPLEMENTED;
6385 }
6386
6387 /****************************************************************
6388 ****************************************************************/
6389
6390 NTSTATUS _samr_SetDsrmPassword(pipes_struct *p,
6391                                struct samr_SetDsrmPassword *r)
6392 {
6393         p->rng_fault_state = true;
6394         return NT_STATUS_NOT_IMPLEMENTED;
6395 }
6396
6397 /****************************************************************
6398 ****************************************************************/
6399
6400 NTSTATUS _samr_ValidatePassword(pipes_struct *p,
6401                                 struct samr_ValidatePassword *r)
6402 {
6403         p->rng_fault_state = true;
6404         return NT_STATUS_NOT_IMPLEMENTED;
6405 }