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                    2001-2005,
   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  *
  15  *  This program is free software; you can redistribute it and/or modify
  16  *  it under the terms of the GNU General Public License as published by
  17  *  the Free Software Foundation; either version 2 of the License, or
  18  *  (at your option) any later version.
  19  *
  20  *  This program is distributed in the hope that it will be useful,
  21  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  22  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  23  *  GNU General Public License for more details.
  24  *
  25  *  You should have received a copy of the GNU General Public License
  26  *  along with this program; if not, write to the Free Software
  27  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  28  */
  29
  30 /*
  31  * This is the implementation of the SAMR code.
  32  */
  33
  34 #include "includes.h"
  35
  36 #undef DBGC_CLASS
  37 #define DBGC_CLASS DBGC_RPC_SRV
  38
  39 #define SAMR_USR_RIGHTS_WRITE_PW \
  40                 ( READ_CONTROL_ACCESS           | \
  41                   SA_RIGHT_USER_CHANGE_PASSWORD | \
  42                   SA_RIGHT_USER_SET_LOC_COM )
  43
  44 #define DISP_INFO_CACHE_TIMEOUT 10
  45
  46 typedef struct disp_info {
  47         struct disp_info *next, *prev;
  48         TALLOC_CTX *mem_ctx;
  49         DOM_SID sid; /* identify which domain this is. */
  50         BOOL builtin_domain; /* Quick flag to check if this is the builtin domain. */
  51         struct pdb_search *users; /* querydispinfo 1 and 4 */
  52         struct pdb_search *machines; /* querydispinfo 2 */
  53         struct pdb_search *groups; /* querydispinfo 3 and 5, enumgroups */
  54         struct pdb_search *aliases; /* enumaliases */
  55
  56         uint16 enum_acb_mask;
  57         struct pdb_search *enum_users; /* enumusers with a mask */
  58
  59
  60         smb_event_id_t di_cache_timeout_event; /* cache idle timeout handler. */
  61 } DISP_INFO;
  62
  63 /* We keep a static list of these by SID as modern clients close down
  64    all resources between each request in a complete enumeration. */
  65
  66 static DISP_INFO *disp_info_list;
  67
  68 struct samr_info {
  69         /* for use by the \PIPE\samr policy */
  70         DOM_SID sid;
  71         BOOL builtin_domain; /* Quick flag to check if this is the builtin domain. */
  72         uint32 status; /* some sort of flag.  best to record it.  comes from opnum 0x39 */
  73         uint32 acc_granted;
  74         DISP_INFO *disp_info;
  75         TALLOC_CTX *mem_ctx;
  76 };
  77
  78 static struct generic_mapping sam_generic_mapping = {
  79         GENERIC_RIGHTS_SAM_READ,
  80         GENERIC_RIGHTS_SAM_WRITE,
  81         GENERIC_RIGHTS_SAM_EXECUTE,
  82         GENERIC_RIGHTS_SAM_ALL_ACCESS};
  83 static struct generic_mapping dom_generic_mapping = {
  84         GENERIC_RIGHTS_DOMAIN_READ,
  85         GENERIC_RIGHTS_DOMAIN_WRITE,
  86         GENERIC_RIGHTS_DOMAIN_EXECUTE,
  87         GENERIC_RIGHTS_DOMAIN_ALL_ACCESS};
  88 static struct generic_mapping usr_generic_mapping = {
  89         GENERIC_RIGHTS_USER_READ,
  90         GENERIC_RIGHTS_USER_WRITE,
  91         GENERIC_RIGHTS_USER_EXECUTE,
  92         GENERIC_RIGHTS_USER_ALL_ACCESS};
  93 static struct generic_mapping grp_generic_mapping = {
  94         GENERIC_RIGHTS_GROUP_READ,
  95         GENERIC_RIGHTS_GROUP_WRITE,
  96         GENERIC_RIGHTS_GROUP_EXECUTE,
  97         GENERIC_RIGHTS_GROUP_ALL_ACCESS};
  98 static struct generic_mapping ali_generic_mapping = {
  99         GENERIC_RIGHTS_ALIAS_READ,
 100         GENERIC_RIGHTS_ALIAS_WRITE,
 101         GENERIC_RIGHTS_ALIAS_EXECUTE,
 102         GENERIC_RIGHTS_ALIAS_ALL_ACCESS};
 103
 104 /*******************************************************************
 105 *******************************************************************/
 106
 107 static NTSTATUS make_samr_object_sd( TALLOC_CTX *ctx, SEC_DESC **psd, size_t *sd_size,
 108                                      struct generic_mapping *map,
 109                                      DOM_SID *sid, uint32 sid_access )
 110 {
 111         DOM_SID domadmin_sid;
 112         SEC_ACE ace[5];         /* at most 5 entries */
 113         SEC_ACCESS mask;
 114         size_t i = 0;
 115
 116         SEC_ACL *psa = NULL;
 117
 118         /* basic access for Everyone */
 119
 120         init_sec_access(&mask, map->generic_execute | map->generic_read );
 121         init_sec_ace(&ace[i++], &global_sid_World, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0);
 122
 123         /* add Full Access 'BUILTIN\Administrators' and 'BUILTIN\Account Operators */
 124
 125         init_sec_access(&mask, map->generic_all);
 126
 127         init_sec_ace(&ace[i++], &global_sid_Builtin_Administrators, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0);
 128         init_sec_ace(&ace[i++], &global_sid_Builtin_Account_Operators, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0);
 129
 130         /* Add Full Access for Domain Admins if we are a DC */
 131
 132         if ( IS_DC ) {
 133                 sid_copy( &domadmin_sid, get_global_sam_sid() );
 134                 sid_append_rid( &domadmin_sid, DOMAIN_GROUP_RID_ADMINS );
 135                 init_sec_ace(&ace[i++], &domadmin_sid, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0);
 136         }
 137
 138         /* if we have a sid, give it some special access */
 139
 140         if ( sid ) {
 141                 init_sec_access( &mask, sid_access );
 142                 init_sec_ace(&ace[i++], sid, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0);
 143         }
 144
 145         /* create the security descriptor */
 146
 147         if ((psa = make_sec_acl(ctx, NT4_ACL_REVISION, i, ace)) == NULL)
 148                 return NT_STATUS_NO_MEMORY;
 149
 150         if ((*psd = make_sec_desc(ctx, SEC_DESC_REVISION, SEC_DESC_SELF_RELATIVE, NULL, NULL, NULL, psa, sd_size)) == NULL)
 151                 return NT_STATUS_NO_MEMORY;
 152
 153         return NT_STATUS_OK;
 154 }
 155
 156 /*******************************************************************
 157  Checks if access to an object should be granted, and returns that
 158  level of access for further checks.
 159 ********************************************************************/
 160
 161 static NTSTATUS access_check_samr_object( SEC_DESC *psd, NT_USER_TOKEN *token,
 162                                           SE_PRIV *rights, uint32 rights_mask,
 163                                           uint32 des_access, uint32 *acc_granted,
 164                                           const char *debug )
 165 {
 166         NTSTATUS status = NT_STATUS_ACCESS_DENIED;
 167         uint32 saved_mask = 0;
 168
 169         /* check privileges; certain SAM access bits should be overridden
 170            by privileges (mostly having to do with creating/modifying/deleting
 171            users and groups) */
 172
 173         if ( rights && user_has_any_privilege( token, rights ) ) {
 174
 175                 saved_mask = (des_access & rights_mask);
 176                 des_access &= ~saved_mask;
 177
 178                 DEBUG(4,("access_check_samr_object: user rights access mask [0x%x]\n",
 179                         rights_mask));
 180         }
 181
 182
 183         /* check the security descriptor first */
 184
 185         if ( se_access_check(psd, token, des_access, acc_granted, &status) )
 186                 goto done;
 187
 188         /* give root a free pass */
 189
 190         if ( geteuid() == sec_initial_uid() ) {
 191
 192                 DEBUG(4,("%s: ACCESS should be DENIED  (requested: %#010x)\n", debug, des_access));
 193                 DEBUGADD(4,("but overritten by euid == sec_initial_uid()\n"));
 194
 195                 *acc_granted = des_access;
 196
 197                 status = NT_STATUS_OK;
 198                 goto done;
 199         }
 200
 201
 202 done:
 203         /* add in any bits saved during the privilege check (only
 204            matters is status is ok) */
 205
 206         *acc_granted |= rights_mask;
 207
 208         DEBUG(4,("%s: access %s (requested: 0x%08x, granted: 0x%08x)\n",
 209                 debug, NT_STATUS_IS_OK(status) ? "GRANTED" : "DENIED",
 210                 des_access, *acc_granted));
 211
 212         return status;
 213 }
 214
 215 /*******************************************************************
 216  Checks if access to a function can be granted
 217 ********************************************************************/
 218
 219 static NTSTATUS access_check_samr_function(uint32 acc_granted, uint32 acc_required, const char *debug)
 220 {
 221         DEBUG(5,("%s: access check ((granted: %#010x;  required: %#010x)\n",
 222                 debug, acc_granted, acc_required));
 223
 224         /* check the security descriptor first */
 225
 226         if ( (acc_granted&acc_required) == acc_required )
 227                 return NT_STATUS_OK;
 228
 229         /* give root a free pass */
 230
 231         if (geteuid() == sec_initial_uid()) {
 232
 233                 DEBUG(4,("%s: ACCESS should be DENIED (granted: %#010x;  required: %#010x)\n",
 234                         debug, acc_granted, acc_required));
 235                 DEBUGADD(4,("but overwritten by euid == 0\n"));
 236
 237                 return NT_STATUS_OK;
 238         }
 239
 240         DEBUG(2,("%s: ACCESS DENIED (granted: %#010x;  required: %#010x)\n",
 241                 debug, acc_granted, acc_required));
 242
 243         return NT_STATUS_ACCESS_DENIED;
 244 }
 245
 246 /*******************************************************************
 247  Fetch or create a dispinfo struct.
 248 ********************************************************************/
 249
 250 static DISP_INFO *get_samr_dispinfo_by_sid(DOM_SID *psid, const char *sid_str)
 251 {
 252         TALLOC_CTX *mem_ctx;
 253         DISP_INFO *dpi;
 254
 255         /* There are two cases to consider here:
 256            1) The SID is a domain SID and we look for an equality match, or
 257            2) This is an account SID and so we return the DISP_INFO* for our
 258               domain */
 259
 260         if ( psid && sid_check_is_in_our_domain( psid ) ) {
 261                 DEBUG(10,("get_samr_dispinfo_by_sid: Replacing %s with our domain SID\n",
 262                         sid_str));
 263                 psid = get_global_sam_sid();
 264         }
 265
 266         for (dpi = disp_info_list; dpi; dpi = dpi->next) {
 267                 if (sid_equal(psid, &dpi->sid)) {
 268                         return dpi;
 269                 }
 270         }
 271
 272         /* This struct is never free'd - I'm using talloc so we
 273            can get a list out of smbd using smbcontrol. There will
 274            be one of these per SID we're authorative for. JRA. */
 275
 276         mem_ctx = talloc_init("DISP_INFO for domain sid %s", sid_str);
 277
 278         if ((dpi = TALLOC_ZERO_P(mem_ctx, DISP_INFO)) == NULL)
 279                 return NULL;
 280
 281         dpi->mem_ctx = mem_ctx;
 282
 283         if (psid) {
 284                 sid_copy( &dpi->sid, psid);
 285                 dpi->builtin_domain = sid_check_is_builtin(psid);
 286         } else {
 287                 dpi->builtin_domain = False;
 288         }
 289
 290         DLIST_ADD(disp_info_list, dpi);
 291
 292         return dpi;
 293 }
 294
 295 /*******************************************************************
 296  Create a samr_info struct.
 297 ********************************************************************/
 298
 299 static struct samr_info *get_samr_info_by_sid(DOM_SID *psid)
 300 {
 301         struct samr_info *info;
 302         fstring sid_str;
 303         TALLOC_CTX *mem_ctx;
 304
 305         if (psid) {
 306                 sid_to_string(sid_str, psid);
 307         } else {
 308                 fstrcpy(sid_str,"(NULL)");
 309         }
 310
 311         mem_ctx = talloc_init("samr_info for domain sid %s", sid_str);
 312
 313         if ((info = TALLOC_ZERO_P(mem_ctx, struct samr_info)) == NULL)
 314                 return NULL;
 315
 316         DEBUG(10,("get_samr_info_by_sid: created new info for sid %s\n", sid_str));
 317         if (psid) {
 318                 sid_copy( &info->sid, psid);
 319                 info->builtin_domain = sid_check_is_builtin(psid);
 320         } else {
 321                 DEBUG(10,("get_samr_info_by_sid: created new info for NULL sid.\n"));
 322                 info->builtin_domain = False;
 323         }
 324         info->mem_ctx = mem_ctx;
 325
 326         info->disp_info = get_samr_dispinfo_by_sid(psid, sid_str);
 327
 328         if (!info->disp_info) {
 329                 talloc_destroy(mem_ctx);
 330                 return NULL;
 331         }
 332
 333         return info;
 334 }
 335
 336 /*******************************************************************
 337  Function to free the per SID data.
 338  ********************************************************************/
 339
 340 static void free_samr_cache(DISP_INFO *disp_info, const char *sid_str)
 341 {
 342         DEBUG(10,("free_samr_cache: deleting cache for SID %s\n", sid_str));
 343
 344         /* We need to become root here because the paged search might have to
 345          * tell the LDAP server we're not interested in the rest anymore. */
 346
 347         become_root();
 348
 349         if (disp_info->users) {
 350                 DEBUG(10,("free_samr_cache: deleting users cache\n"));
 351                 pdb_search_destroy(disp_info->users);
 352                 disp_info->users = NULL;
 353         }
 354         if (disp_info->machines) {
 355                 DEBUG(10,("free_samr_cache: deleting machines cache\n"));
 356                 pdb_search_destroy(disp_info->machines);
 357                 disp_info->machines = NULL;
 358         }
 359         if (disp_info->groups) {
 360                 DEBUG(10,("free_samr_cache: deleting groups cache\n"));
 361                 pdb_search_destroy(disp_info->groups);
 362                 disp_info->groups = NULL;
 363         }
 364         if (disp_info->aliases) {
 365                 DEBUG(10,("free_samr_cache: deleting aliases cache\n"));
 366                 pdb_search_destroy(disp_info->aliases);
 367                 disp_info->aliases = NULL;
 368         }
 369         if (disp_info->enum_users) {
 370                 DEBUG(10,("free_samr_cache: deleting enum_users cache\n"));
 371                 pdb_search_destroy(disp_info->enum_users);
 372                 disp_info->enum_users = NULL;
 373         }
 374         disp_info->enum_acb_mask = 0;
 375
 376         unbecome_root();
 377 }
 378
 379 /*******************************************************************
 380  Function to free the per handle data.
 381  ********************************************************************/
 382
 383 static void free_samr_info(void *ptr)
 384 {
 385         struct samr_info *info=(struct samr_info *) ptr;
 386
 387         /* Only free the dispinfo cache if no one bothered to set up
 388            a timeout. */
 389
 390         if (info->disp_info && info->disp_info->di_cache_timeout_event == (smb_event_id_t)0) {
 391                 fstring sid_str;
 392                 sid_to_string(sid_str, &info->disp_info->sid);
 393                 free_samr_cache(info->disp_info, sid_str);
 394         }
 395
 396         talloc_destroy(info->mem_ctx);
 397 }
 398
 399 /*******************************************************************
 400  Idle event handler. Throw away the disp info cache.
 401  ********************************************************************/
 402
 403 static void disp_info_cache_idle_timeout_handler(void **private_data,
 404                                         time_t *ev_interval,
 405                                         time_t ev_now)
 406 {
 407         fstring sid_str;
 408         DISP_INFO *disp_info = (DISP_INFO *)(*private_data);
 409
 410         sid_to_string(sid_str, &disp_info->sid);
 411
 412         free_samr_cache(disp_info, sid_str);
 413
 414         /* Remove the event. */
 415         smb_unregister_idle_event(disp_info->di_cache_timeout_event);
 416         disp_info->di_cache_timeout_event = (smb_event_id_t)0;
 417
 418         DEBUG(10,("disp_info_cache_idle_timeout_handler: caching timed out for SID %s at %u\n",
 419                 sid_str, (unsigned int)ev_now));
 420 }
 421
 422 /*******************************************************************
 423  Setup cache removal idle event handler.
 424  ********************************************************************/
 425
 426 static void set_disp_info_cache_timeout(DISP_INFO *disp_info, time_t secs_fromnow)
 427 {
 428         fstring sid_str;
 429
 430         sid_to_string(sid_str, &disp_info->sid);
 431
 432         /* Remove any pending timeout and update. */
 433
 434         if (disp_info->di_cache_timeout_event) {
 435                 smb_unregister_idle_event(disp_info->di_cache_timeout_event);
 436                 disp_info->di_cache_timeout_event = (smb_event_id_t)0;
 437         }
 438
 439         DEBUG(10,("set_disp_info_cache_timeout: caching enumeration for SID %s for %u seconds\n",
 440                 sid_str, (unsigned int)secs_fromnow ));
 441
 442         disp_info->di_cache_timeout_event =
 443                 smb_register_idle_event(disp_info_cache_idle_timeout_handler,
 444                                         disp_info,
 445                                         secs_fromnow);
 446 }
 447
 448 /*******************************************************************
 449  Force flush any cache. We do this on any samr_set_xxx call.
 450  We must also remove the timeout handler.
 451  ********************************************************************/
 452
 453 static void force_flush_samr_cache(DISP_INFO *disp_info)
 454 {
 455         if (disp_info) {
 456                 fstring sid_str;
 457
 458                 sid_to_string(sid_str, &disp_info->sid);
 459                 if (disp_info->di_cache_timeout_event) {
 460                         smb_unregister_idle_event(disp_info->di_cache_timeout_event);
 461                         disp_info->di_cache_timeout_event = (smb_event_id_t)0;
 462                         DEBUG(10,("force_flush_samr_cache: clearing idle event for SID %s\n",
 463                                 sid_str));
 464                 }
 465                 free_samr_cache(disp_info, sid_str);
 466         }
 467 }
 468
 469 /*******************************************************************
 470  Ensure password info is never given out. Paranioa... JRA.
 471  ********************************************************************/
 472
 473 static void samr_clear_sam_passwd(struct samu *sam_pass)
 474 {
 475
 476         if (!sam_pass)
 477                 return;
 478
 479         /* These now zero out the old password */
 480
 481         pdb_set_lanman_passwd(sam_pass, NULL, PDB_DEFAULT);
 482         pdb_set_nt_passwd(sam_pass, NULL, PDB_DEFAULT);
 483 }
 484
 485 static uint32 count_sam_users(struct disp_info *info, uint32 acct_flags)
 486 {
 487         struct samr_displayentry *entry;
 488
 489         if (info->builtin_domain) {
 490                 /* No users in builtin. */
 491                 return 0;
 492         }
 493
 494         if (info->users == NULL) {
 495                 info->users = pdb_search_users(acct_flags);
 496                 if (info->users == NULL) {
 497                         return 0;
 498                 }
 499         }
 500         /* Fetch the last possible entry, thus trigger an enumeration */
 501         pdb_search_entries(info->users, 0xffffffff, 1, &entry);
 502
 503         /* Ensure we cache this enumeration. */
 504         set_disp_info_cache_timeout(info, DISP_INFO_CACHE_TIMEOUT);
 505
 506         return info->users->num_entries;
 507 }
 508
 509 static uint32 count_sam_groups(struct disp_info *info)
 510 {
 511         struct samr_displayentry *entry;
 512
 513         if (info->builtin_domain) {
 514                 /* No groups in builtin. */
 515                 return 0;
 516         }
 517
 518         if (info->groups == NULL) {
 519                 info->groups = pdb_search_groups();
 520                 if (info->groups == NULL) {
 521                         return 0;
 522                 }
 523         }
 524         /* Fetch the last possible entry, thus trigger an enumeration */
 525         pdb_search_entries(info->groups, 0xffffffff, 1, &entry);
 526
 527         /* Ensure we cache this enumeration. */
 528         set_disp_info_cache_timeout(info, DISP_INFO_CACHE_TIMEOUT);
 529
 530         return info->groups->num_entries;
 531 }
 532
 533 static uint32 count_sam_aliases(struct disp_info *info)
 534 {
 535         struct samr_displayentry *entry;
 536
 537         if (info->aliases == NULL) {
 538                 info->aliases = pdb_search_aliases(&info->sid);
 539                 if (info->aliases == NULL) {
 540                         return 0;
 541                 }
 542         }
 543         /* Fetch the last possible entry, thus trigger an enumeration */
 544         pdb_search_entries(info->aliases, 0xffffffff, 1, &entry);
 545
 546         /* Ensure we cache this enumeration. */
 547         set_disp_info_cache_timeout(info, DISP_INFO_CACHE_TIMEOUT);
 548
 549         return info->aliases->num_entries;
 550 }
 551
 552 /*******************************************************************
 553  _samr_close_hnd
 554  ********************************************************************/
 555
 556 NTSTATUS _samr_close_hnd(pipes_struct *p, SAMR_Q_CLOSE_HND *q_u, SAMR_R_CLOSE_HND *r_u)
 557 {
 558         r_u->status = NT_STATUS_OK;
 559
 560         /* close the policy handle */
 561         if (!close_policy_hnd(p, &q_u->pol))
 562                 return NT_STATUS_OBJECT_NAME_INVALID;
 563
 564         DEBUG(5,("samr_reply_close_hnd: %d\n", __LINE__));
 565
 566         return r_u->status;
 567 }
 568
 569 /*******************************************************************
 570  samr_reply_open_domain
 571  ********************************************************************/
 572
 573 NTSTATUS _samr_open_domain(pipes_struct *p, SAMR_Q_OPEN_DOMAIN *q_u, SAMR_R_OPEN_DOMAIN *r_u)
 574 {
 575         struct    samr_info *info;
 576         SEC_DESC *psd = NULL;
 577         uint32    acc_granted;
 578         uint32    des_access = q_u->flags;
 579         NTSTATUS  status;
 580         size_t    sd_size;
 581         SE_PRIV se_rights;
 582
 583         r_u->status = NT_STATUS_OK;
 584
 585         /* find the connection policy handle. */
 586
 587         if ( !find_policy_by_hnd(p, &q_u->pol, (void**)(void *)&info) )
 588                 return NT_STATUS_INVALID_HANDLE;
 589
 590         status = access_check_samr_function( info->acc_granted,
 591                 SA_RIGHT_SAM_OPEN_DOMAIN, "_samr_open_domain" );
 592
 593         if ( !NT_STATUS_IS_OK(status) )
 594                 return status;
 595
 596         /*check if access can be granted as requested by client. */
 597
 598         make_samr_object_sd( p->mem_ctx, &psd, &sd_size, &dom_generic_mapping, NULL, 0 );
 599         se_map_generic( &des_access, &dom_generic_mapping );
 600
 601         se_priv_copy( &se_rights, &se_machine_account );
 602         se_priv_add( &se_rights, &se_add_users );
 603
 604         status = access_check_samr_object( psd, p->pipe_user.nt_user_token,
 605                 &se_rights, GENERIC_RIGHTS_DOMAIN_WRITE, des_access,
 606                 &acc_granted, "_samr_open_domain" );
 607
 608         if ( !NT_STATUS_IS_OK(status) )
 609                 return status;
 610
 611         if (!sid_check_is_domain(&q_u->dom_sid.sid) &&
 612             !sid_check_is_builtin(&q_u->dom_sid.sid)) {
 613                 return NT_STATUS_NO_SUCH_DOMAIN;
 614         }
 615
 616         /* associate the domain SID with the (unique) handle. */
 617         if ((info = get_samr_info_by_sid(&q_u->dom_sid.sid))==NULL)
 618                 return NT_STATUS_NO_MEMORY;
 619         info->acc_granted = acc_granted;
 620
 621         /* get a (unique) handle.  open a policy on it. */
 622         if (!create_policy_hnd(p, &r_u->domain_pol, free_samr_info, (void *)info))
 623                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
 624
 625         DEBUG(5,("samr_open_domain: %d\n", __LINE__));
 626
 627         return r_u->status;
 628 }
 629
 630 /*******************************************************************
 631  _samr_get_usrdom_pwinfo
 632  ********************************************************************/
 633
 634 NTSTATUS _samr_get_usrdom_pwinfo(pipes_struct *p, SAMR_Q_GET_USRDOM_PWINFO *q_u, SAMR_R_GET_USRDOM_PWINFO *r_u)
 635 {
 636         struct samr_info *info = NULL;
 637
 638         r_u->status = NT_STATUS_OK;
 639
 640         /* find the policy handle.  open a policy on it. */
 641         if (!find_policy_by_hnd(p, &q_u->user_pol, (void **)(void *)&info))
 642                 return NT_STATUS_INVALID_HANDLE;
 643
 644         if (!sid_check_is_in_our_domain(&info->sid))
 645                 return NT_STATUS_OBJECT_TYPE_MISMATCH;
 646
 647         init_samr_r_get_usrdom_pwinfo(r_u, NT_STATUS_OK);
 648
 649         DEBUG(5,("_samr_get_usrdom_pwinfo: %d\n", __LINE__));
 650
 651         /*
 652          * NT sometimes return NT_STATUS_ACCESS_DENIED
 653          * I don't know yet why.
 654          */
 655
 656         return r_u->status;
 657 }
 658
 659 /*******************************************************************
 660  _samr_set_sec_obj
 661  ********************************************************************/
 662
 663 NTSTATUS _samr_set_sec_obj(pipes_struct *p, SAMR_Q_SET_SEC_OBJ *q_u, SAMR_R_SET_SEC_OBJ *r_u)
 664 {
 665         DEBUG(0,("_samr_set_sec_obj: Not yet implemented!\n"));
 666         return NT_STATUS_NOT_IMPLEMENTED;
 667 }
 668
 669 /*******************************************************************
 670 ********************************************************************/
 671
 672 static BOOL get_lsa_policy_samr_sid( pipes_struct *p, POLICY_HND *pol,
 673                                         DOM_SID *sid, uint32 *acc_granted,
 674                                         DISP_INFO **ppdisp_info)
 675 {
 676         struct samr_info *info = NULL;
 677
 678         /* find the policy handle.  open a policy on it. */
 679         if (!find_policy_by_hnd(p, pol, (void **)(void *)&info))
 680                 return False;
 681
 682         if (!info)
 683                 return False;
 684
 685         *sid = info->sid;
 686         *acc_granted = info->acc_granted;
 687         if (ppdisp_info) {
 688                 *ppdisp_info = info->disp_info;
 689         }
 690
 691         return True;
 692 }
 693
 694 /*******************************************************************
 695  _samr_query_sec_obj
 696  ********************************************************************/
 697
 698 NTSTATUS _samr_query_sec_obj(pipes_struct *p, SAMR_Q_QUERY_SEC_OBJ *q_u, SAMR_R_QUERY_SEC_OBJ *r_u)
 699 {
 700         DOM_SID pol_sid;
 701         fstring str_sid;
 702         SEC_DESC * psd = NULL;
 703         uint32 acc_granted;
 704         size_t sd_size;
 705
 706         r_u->status = NT_STATUS_OK;
 707
 708         /* Get the SID. */
 709         if (!get_lsa_policy_samr_sid(p, &q_u->user_pol, &pol_sid, &acc_granted, NULL))
 710                 return NT_STATUS_INVALID_HANDLE;
 711
 712         DEBUG(10,("_samr_query_sec_obj: querying security on SID: %s\n", sid_to_string(str_sid, &pol_sid)));
 713
 714         /* Check what typ of SID is beeing queried (e.g Domain SID, User SID, Group SID) */
 715
 716         /* To query the security of the SAM it self an invalid SID with S-0-0 is passed to this function */
 717         if (pol_sid.sid_rev_num == 0) {
 718                 DEBUG(5,("_samr_query_sec_obj: querying security on SAM\n"));
 719                 r_u->status = make_samr_object_sd(p->mem_ctx, &psd, &sd_size, &sam_generic_mapping, NULL, 0);
 720         } else if (sid_equal(&pol_sid,get_global_sam_sid())) {
 721                 /* check if it is our domain SID */
 722                 DEBUG(5,("_samr_query_sec_obj: querying security on Domain with SID: %s\n", sid_to_string(str_sid, &pol_sid)));
 723                 r_u->status = make_samr_object_sd(p->mem_ctx, &psd, &sd_size, &dom_generic_mapping, NULL, 0);
 724         } else if (sid_equal(&pol_sid,&global_sid_Builtin)) {
 725                 /* check if it is the Builtin  Domain */
 726                 /* TODO: Builtin probably needs a different SD with restricted write access*/
 727                 DEBUG(5,("_samr_query_sec_obj: querying security on Builtin Domain with SID: %s\n", sid_to_string(str_sid, &pol_sid)));
 728                 r_u->status = make_samr_object_sd(p->mem_ctx, &psd, &sd_size, &dom_generic_mapping, NULL, 0);
 729         } else if (sid_check_is_in_our_domain(&pol_sid) ||
 730                  sid_check_is_in_builtin(&pol_sid)) {
 731                 /* TODO: different SDs have to be generated for aliases groups and users.
 732                          Currently all three get a default user SD  */
 733                 DEBUG(10,("_samr_query_sec_obj: querying security on Object with SID: %s\n", sid_to_string(str_sid, &pol_sid)));
 734                 r_u->status = make_samr_object_sd(p->mem_ctx, &psd, &sd_size, &usr_generic_mapping, &pol_sid, SAMR_USR_RIGHTS_WRITE_PW);
 735         } else {
 736                 return NT_STATUS_OBJECT_TYPE_MISMATCH;
 737         }
 738
 739         if ((r_u->buf = make_sec_desc_buf(p->mem_ctx, sd_size, psd)) == NULL)
 740                 return NT_STATUS_NO_MEMORY;
 741
 742         if (NT_STATUS_IS_OK(r_u->status))
 743                 r_u->ptr = 1;
 744
 745         return r_u->status;
 746 }
 747
 748 /*******************************************************************
 749 makes a SAM_ENTRY / UNISTR2* structure from a user list.
 750 ********************************************************************/
 751
 752 static NTSTATUS make_user_sam_entry_list(TALLOC_CTX *ctx, SAM_ENTRY **sam_pp,
 753                                          UNISTR2 **uni_name_pp,
 754                                          uint32 num_entries, uint32 start_idx,
 755                                          struct samr_displayentry *entries)
 756 {
 757         uint32 i;
 758         SAM_ENTRY *sam;
 759         UNISTR2 *uni_name;
 760
 761         *sam_pp = NULL;
 762         *uni_name_pp = NULL;
 763
 764         if (num_entries == 0)
 765                 return NT_STATUS_OK;
 766
 767         sam = TALLOC_ZERO_ARRAY(ctx, SAM_ENTRY, num_entries);
 768
 769         uni_name = TALLOC_ZERO_ARRAY(ctx, UNISTR2, num_entries);
 770
 771         if (sam == NULL || uni_name == NULL) {
 772                 DEBUG(0, ("make_user_sam_entry_list: talloc_zero failed!\n"));
 773                 return NT_STATUS_NO_MEMORY;
 774         }
 775
 776         for (i = 0; i < num_entries; i++) {
 777                 UNISTR2 uni_temp_name;
 778                 /*
 779                  * usrmgr expects a non-NULL terminated string with
 780                  * trust relationships
 781                  */
 782                 if (entries[i].acct_flags & ACB_DOMTRUST) {
 783                         init_unistr2(&uni_temp_name, entries[i].account_name,
 784                                      UNI_FLAGS_NONE);
 785                 } else {
 786                         init_unistr2(&uni_temp_name, entries[i].account_name,
 787                                      UNI_STR_TERMINATE);
 788                 }
 789
 790                 init_sam_entry(&sam[i], &uni_temp_name, entries[i].rid);
 791                 copy_unistr2(&uni_name[i], &uni_temp_name);
 792         }
 793
 794         *sam_pp = sam;
 795         *uni_name_pp = uni_name;
 796         return NT_STATUS_OK;
 797 }
 798
 799 /*******************************************************************
 800  samr_reply_enum_dom_users
 801  ********************************************************************/
 802
 803 NTSTATUS _samr_enum_dom_users(pipes_struct *p, SAMR_Q_ENUM_DOM_USERS *q_u,
 804                               SAMR_R_ENUM_DOM_USERS *r_u)
 805 {
 806         struct samr_info *info = NULL;
 807         int num_account;
 808         uint32 enum_context=q_u->start_idx;
 809         enum remote_arch_types ra_type = get_remote_arch();
 810         int max_sam_entries = (ra_type == RA_WIN95) ? MAX_SAM_ENTRIES_W95 : MAX_SAM_ENTRIES_W2K;
 811         uint32 max_entries = max_sam_entries;
 812         struct samr_displayentry *entries = NULL;
 813
 814         r_u->status = NT_STATUS_OK;
 815
 816         /* find the policy handle.  open a policy on it. */
 817         if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&info))
 818                 return NT_STATUS_INVALID_HANDLE;
 819
 820         if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(info->acc_granted,
 821                                         SA_RIGHT_DOMAIN_ENUM_ACCOUNTS,
 822                                         "_samr_enum_dom_users"))) {
 823                 return r_u->status;
 824         }
 825
 826         DEBUG(5,("_samr_enum_dom_users: %d\n", __LINE__));
 827
 828         if (info->builtin_domain) {
 829                 /* No users in builtin. */
 830                 init_samr_r_enum_dom_users(r_u, q_u->start_idx, 0);
 831                 DEBUG(5,("_samr_enum_dom_users: No users in BUILTIN\n"));
 832                 return r_u->status;
 833         }
 834
 835         become_root();
 836
 837         /* AS ROOT !!!! */
 838
 839         if ((info->disp_info->enum_users != NULL) &&
 840             (info->disp_info->enum_acb_mask != q_u->acb_mask)) {
 841                 pdb_search_destroy(info->disp_info->enum_users);
 842                 info->disp_info->enum_users = NULL;
 843         }
 844
 845         if (info->disp_info->enum_users == NULL) {
 846                 info->disp_info->enum_users = pdb_search_users(q_u->acb_mask);
 847                 info->disp_info->enum_acb_mask = q_u->acb_mask;
 848         }
 849
 850         if (info->disp_info->enum_users == NULL) {
 851                 /* END AS ROOT !!!! */
 852                 unbecome_root();
 853                 return NT_STATUS_ACCESS_DENIED;
 854         }
 855
 856         num_account = pdb_search_entries(info->disp_info->enum_users,
 857                                          enum_context, max_entries,
 858                                          &entries);
 859
 860         /* END AS ROOT !!!! */
 861
 862         unbecome_root();
 863
 864         if (num_account == 0) {
 865                 DEBUG(5, ("_samr_enum_dom_users: enumeration handle over "
 866                           "total entries\n"));
 867                 return NT_STATUS_OK;
 868         }
 869
 870         r_u->status = make_user_sam_entry_list(p->mem_ctx, &r_u->sam,
 871                                                &r_u->uni_acct_name,
 872                                                num_account, enum_context,
 873                                                entries);
 874
 875         if (!NT_STATUS_IS_OK(r_u->status))
 876                 return r_u->status;
 877
 878         if (max_entries <= num_account) {
 879                 r_u->status = STATUS_MORE_ENTRIES;
 880         } else {
 881                 r_u->status = NT_STATUS_OK;
 882         }
 883
 884         /* Ensure we cache this enumeration. */
 885         set_disp_info_cache_timeout(info->disp_info, DISP_INFO_CACHE_TIMEOUT);
 886
 887         DEBUG(5, ("_samr_enum_dom_users: %d\n", __LINE__));
 888
 889         init_samr_r_enum_dom_users(r_u, q_u->start_idx + num_account,
 890                                    num_account);
 891
 892         DEBUG(5,("_samr_enum_dom_users: %d\n", __LINE__));
 893
 894         return r_u->status;
 895 }
 896
 897 /*******************************************************************
 898 makes a SAM_ENTRY / UNISTR2* structure from a group list.
 899 ********************************************************************/
 900
 901 static void make_group_sam_entry_list(TALLOC_CTX *ctx, SAM_ENTRY **sam_pp,
 902                                       UNISTR2 **uni_name_pp,
 903                                       uint32 num_sam_entries,
 904                                       struct samr_displayentry *entries)
 905 {
 906         uint32 i;
 907         SAM_ENTRY *sam;
 908         UNISTR2 *uni_name;
 909
 910         *sam_pp = NULL;
 911         *uni_name_pp = NULL;
 912
 913         if (num_sam_entries == 0)
 914                 return;
 915
 916         sam = TALLOC_ZERO_ARRAY(ctx, SAM_ENTRY, num_sam_entries);
 917         uni_name = TALLOC_ZERO_ARRAY(ctx, UNISTR2, num_sam_entries);
 918
 919         if (sam == NULL || uni_name == NULL) {
 920                 DEBUG(0, ("NULL pointers in SAMR_R_QUERY_DISPINFO\n"));
 921                 return;
 922         }
 923
 924         for (i = 0; i < num_sam_entries; i++) {
 925                 /*
 926                  * JRA. I think this should include the null. TNG does not.
 927                  */
 928                 init_unistr2(&uni_name[i], entries[i].account_name,
 929                              UNI_STR_TERMINATE);
 930                 init_sam_entry(&sam[i], &uni_name[i], entries[i].rid);
 931         }
 932
 933         *sam_pp = sam;
 934         *uni_name_pp = uni_name;
 935 }
 936
 937 /*******************************************************************
 938  samr_reply_enum_dom_groups
 939  ********************************************************************/
 940
 941 NTSTATUS _samr_enum_dom_groups(pipes_struct *p, SAMR_Q_ENUM_DOM_GROUPS *q_u, SAMR_R_ENUM_DOM_GROUPS *r_u)
 942 {
 943         struct samr_info *info = NULL;
 944         struct samr_displayentry *groups;
 945         uint32 num_groups;
 946
 947         r_u->status = NT_STATUS_OK;
 948
 949         /* find the policy handle.  open a policy on it. */
 950         if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&info))
 951                 return NT_STATUS_INVALID_HANDLE;
 952
 953         r_u->status = access_check_samr_function(info->acc_granted,
 954                                                  SA_RIGHT_DOMAIN_ENUM_ACCOUNTS,
 955                                                  "_samr_enum_dom_groups");
 956         if (!NT_STATUS_IS_OK(r_u->status))
 957                 return r_u->status;
 958
 959         DEBUG(5,("samr_reply_enum_dom_groups: %d\n", __LINE__));
 960
 961         if (info->builtin_domain) {
 962                 /* No groups in builtin. */
 963                 init_samr_r_enum_dom_groups(r_u, q_u->start_idx, 0);
 964                 DEBUG(5,("_samr_enum_dom_users: No groups in BUILTIN\n"));
 965                 return r_u->status;
 966         }
 967
 968         /* the domain group array is being allocated in the function below */
 969
 970         become_root();
 971
 972         if (info->disp_info->groups == NULL) {
 973                 info->disp_info->groups = pdb_search_groups();
 974
 975                 if (info->disp_info->groups == NULL) {
 976                         unbecome_root();
 977                         return NT_STATUS_ACCESS_DENIED;
 978                 }
 979         }
 980
 981         num_groups = pdb_search_entries(info->disp_info->groups, q_u->start_idx,
 982                                         MAX_SAM_ENTRIES, &groups);
 983         unbecome_root();
 984
 985         /* Ensure we cache this enumeration. */
 986         set_disp_info_cache_timeout(info->disp_info, DISP_INFO_CACHE_TIMEOUT);
 987
 988         make_group_sam_entry_list(p->mem_ctx, &r_u->sam, &r_u->uni_grp_name,
 989                                   num_groups, groups);
 990
 991         init_samr_r_enum_dom_groups(r_u, q_u->start_idx, num_groups);
 992
 993         DEBUG(5,("samr_enum_dom_groups: %d\n", __LINE__));
 994
 995         return r_u->status;
 996 }
 997
 998 /*******************************************************************
 999  samr_reply_enum_dom_aliases
1000  ********************************************************************/
1001
1002 NTSTATUS _samr_enum_dom_aliases(pipes_struct *p, SAMR_Q_ENUM_DOM_ALIASES *q_u, SAMR_R_ENUM_DOM_ALIASES *r_u)
1003 {
1004         struct samr_info *info;
1005         struct samr_displayentry *aliases;
1006         uint32 num_aliases = 0;
1007
1008         /* find the policy handle.  open a policy on it. */
1009         if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&info))
1010                 return NT_STATUS_INVALID_HANDLE;
1011
1012         r_u->status = access_check_samr_function(info->acc_granted,
1013                                                  SA_RIGHT_DOMAIN_ENUM_ACCOUNTS,
1014                                                  "_samr_enum_dom_aliases");
1015         if (!NT_STATUS_IS_OK(r_u->status))
1016                 return r_u->status;
1017
1018         DEBUG(5,("samr_reply_enum_dom_aliases: sid %s\n",
1019                  sid_string_static(&info->sid)));
1020
1021         become_root();
1022
1023         if (info->disp_info->aliases == NULL) {
1024                 info->disp_info->aliases = pdb_search_aliases(&info->sid);
1025                 if (info->disp_info->aliases == NULL) {
1026                         unbecome_root();
1027                         return NT_STATUS_ACCESS_DENIED;
1028                 }
1029         }
1030
1031         num_aliases = pdb_search_entries(info->disp_info->aliases, q_u->start_idx,
1032                                          MAX_SAM_ENTRIES, &aliases);
1033         unbecome_root();
1034
1035         /* Ensure we cache this enumeration. */
1036         set_disp_info_cache_timeout(info->disp_info, DISP_INFO_CACHE_TIMEOUT);
1037
1038         make_group_sam_entry_list(p->mem_ctx, &r_u->sam, &r_u->uni_grp_name,
1039                                   num_aliases, aliases);
1040
1041         init_samr_r_enum_dom_aliases(r_u, q_u->start_idx + num_aliases,
1042                                      num_aliases);
1043
1044         DEBUG(5,("samr_enum_dom_aliases: %d\n", __LINE__));
1045
1046         return r_u->status;
1047 }
1048
1049 /*******************************************************************
1050  samr_reply_query_dispinfo
1051  ********************************************************************/
1052
1053 NTSTATUS _samr_query_dispinfo(pipes_struct *p, SAMR_Q_QUERY_DISPINFO *q_u,
1054                               SAMR_R_QUERY_DISPINFO *r_u)
1055 {
1056         struct samr_info *info = NULL;
1057         uint32 struct_size=0x20; /* W2K always reply that, client doesn't care */
1058
1059         uint32 max_entries=q_u->max_entries;
1060         uint32 enum_context=q_u->start_idx;
1061         uint32 max_size=q_u->max_size;
1062
1063         SAM_DISPINFO_CTR *ctr;
1064         uint32 temp_size=0, total_data_size=0;
1065         NTSTATUS disp_ret = NT_STATUS_UNSUCCESSFUL;
1066         uint32 num_account = 0;
1067         enum remote_arch_types ra_type = get_remote_arch();
1068         int max_sam_entries = (ra_type == RA_WIN95) ? MAX_SAM_ENTRIES_W95 : MAX_SAM_ENTRIES_W2K;
1069         struct samr_displayentry *entries = NULL;
1070
1071         DEBUG(5, ("samr_reply_query_dispinfo: %d\n", __LINE__));
1072         r_u->status = NT_STATUS_UNSUCCESSFUL;
1073
1074         /* find the policy handle.  open a policy on it. */
1075         if (!find_policy_by_hnd(p, &q_u->domain_pol, (void **)(void *)&info))
1076                 return NT_STATUS_INVALID_HANDLE;
1077
1078         /*
1079          * calculate how many entries we will return.
1080          * based on
1081          * - the number of entries the client asked
1082          * - our limit on that
1083          * - the starting point (enumeration context)
1084          * - the buffer size the client will accept
1085          */
1086
1087         /*
1088          * We are a lot more like W2K. Instead of reading the SAM
1089          * each time to find the records we need to send back,
1090          * we read it once and link that copy to the sam handle.
1091          * For large user list (over the MAX_SAM_ENTRIES)
1092          * it's a definitive win.
1093          * second point to notice: between enumerations
1094          * our sam is now the same as it's a snapshoot.
1095          * third point: got rid of the static SAM_USER_21 struct
1096          * no more intermediate.
1097          * con: it uses much more memory, as a full copy is stored
1098          * in memory.
1099          *
1100          * If you want to change it, think twice and think
1101          * of the second point , that's really important.
1102          *
1103          * JFM, 12/20/2001
1104          */
1105
1106         if ((q_u->switch_level < 1) || (q_u->switch_level > 5)) {
1107                 DEBUG(0,("_samr_query_dispinfo: Unknown info level (%u)\n",
1108                          (unsigned int)q_u->switch_level ));
1109                 return NT_STATUS_INVALID_INFO_CLASS;
1110         }
1111
1112         /* first limit the number of entries we will return */
1113         if(max_entries > max_sam_entries) {
1114                 DEBUG(5, ("samr_reply_query_dispinfo: client requested %d "
1115                           "entries, limiting to %d\n", max_entries,
1116                           max_sam_entries));
1117                 max_entries = max_sam_entries;
1118         }
1119
1120         /* calculate the size and limit on the number of entries we will
1121          * return */
1122
1123         temp_size=max_entries*struct_size;
1124
1125         if (temp_size>max_size) {
1126                 max_entries=MIN((max_size/struct_size),max_entries);;
1127                 DEBUG(5, ("samr_reply_query_dispinfo: buffer size limits to "
1128                           "only %d entries\n", max_entries));
1129         }
1130
1131         if (!(ctr = TALLOC_ZERO_P(p->mem_ctx,SAM_DISPINFO_CTR)))
1132                 return NT_STATUS_NO_MEMORY;
1133
1134         ZERO_STRUCTP(ctr);
1135
1136         become_root();
1137
1138         /* THe following done as ROOT. Don't return without unbecome_root(). */
1139
1140         switch (q_u->switch_level) {
1141         case 0x1:
1142         case 0x4:
1143                 if (info->disp_info->users == NULL) {
1144                         info->disp_info->users = pdb_search_users(ACB_NORMAL);
1145                         if (info->disp_info->users == NULL) {
1146                                 unbecome_root();
1147                                 return NT_STATUS_ACCESS_DENIED;
1148                         }
1149                         DEBUG(10,("samr_reply_query_dispinfo: starting user enumeration at index %u\n",
1150                                 (unsigned  int)enum_context ));
1151                 } else {
1152                         DEBUG(10,("samr_reply_query_dispinfo: using cached user enumeration at index %u\n",
1153                                 (unsigned  int)enum_context ));
1154                 }
1155
1156                 num_account = pdb_search_entries(info->disp_info->users,
1157                                                  enum_context, max_entries,
1158                                                  &entries);
1159                 break;
1160         case 0x2:
1161                 if (info->disp_info->machines == NULL) {
1162                         info->disp_info->machines =
1163                                 pdb_search_users(ACB_WSTRUST|ACB_SVRTRUST);
1164                         if (info->disp_info->machines == NULL) {
1165                                 unbecome_root();
1166                                 return NT_STATUS_ACCESS_DENIED;
1167                         }
1168                         DEBUG(10,("samr_reply_query_dispinfo: starting machine enumeration at index %u\n",
1169                                 (unsigned  int)enum_context ));
1170                 } else {
1171                         DEBUG(10,("samr_reply_query_dispinfo: using cached machine enumeration at index %u\n",
1172                                 (unsigned  int)enum_context ));
1173                 }
1174
1175                 num_account = pdb_search_entries(info->disp_info->machines,
1176                                                  enum_context, max_entries,
1177                                                  &entries);
1178                 break;
1179         case 0x3:
1180         case 0x5:
1181                 if (info->disp_info->groups == NULL) {
1182                         info->disp_info->groups = pdb_search_groups();
1183                         if (info->disp_info->groups == NULL) {
1184                                 unbecome_root();
1185                                 return NT_STATUS_ACCESS_DENIED;
1186                         }
1187                         DEBUG(10,("samr_reply_query_dispinfo: starting group enumeration at index %u\n",
1188                                 (unsigned  int)enum_context ));
1189                 } else {
1190                         DEBUG(10,("samr_reply_query_dispinfo: using cached group enumeration at index %u\n",
1191                                 (unsigned  int)enum_context ));
1192                 }
1193
1194                 num_account = pdb_search_entries(info->disp_info->groups,
1195                                                  enum_context, max_entries,
1196                                                  &entries);
1197                 break;
1198         default:
1199                 unbecome_root();
1200                 smb_panic("info class changed");
1201                 break;
1202         }
1203         unbecome_root();
1204
1205         /* Now create reply structure */
1206         switch (q_u->switch_level) {
1207         case 0x1:
1208                 disp_ret = init_sam_dispinfo_1(p->mem_ctx, &ctr->sam.info1,
1209                                                num_account, enum_context,
1210                                                entries);
1211                 break;
1212         case 0x2:
1213                 disp_ret = init_sam_dispinfo_2(p->mem_ctx, &ctr->sam.info2,
1214                                                num_account, enum_context,
1215                                                entries);
1216                 break;
1217         case 0x3:
1218                 disp_ret = init_sam_dispinfo_3(p->mem_ctx, &ctr->sam.info3,
1219                                                num_account, enum_context,
1220                                                entries);
1221                 break;
1222         case 0x4:
1223                 disp_ret = init_sam_dispinfo_4(p->mem_ctx, &ctr->sam.info4,
1224                                                num_account, enum_context,
1225                                                entries);
1226                 break;
1227         case 0x5:
1228                 disp_ret = init_sam_dispinfo_5(p->mem_ctx, &ctr->sam.info5,
1229                                                num_account, enum_context,
1230                                                entries);
1231                 break;
1232         default:
1233                 smb_panic("info class changed");
1234                 break;
1235         }
1236
1237         if (!NT_STATUS_IS_OK(disp_ret))
1238                 return disp_ret;
1239
1240         /* calculate the total size */
1241         total_data_size=num_account*struct_size;
1242
1243         if (num_account) {
1244                 r_u->status = STATUS_MORE_ENTRIES;
1245         } else {
1246                 r_u->status = NT_STATUS_OK;
1247         }
1248
1249         /* Ensure we cache this enumeration. */
1250         set_disp_info_cache_timeout(info->disp_info, DISP_INFO_CACHE_TIMEOUT);
1251
1252         DEBUG(5, ("_samr_query_dispinfo: %d\n", __LINE__));
1253
1254         init_samr_r_query_dispinfo(r_u, num_account, total_data_size,
1255                                    temp_size, q_u->switch_level, ctr,
1256                                    r_u->status);
1257
1258         return r_u->status;
1259
1260 }
1261
1262 /*******************************************************************
1263  samr_reply_query_aliasinfo
1264  ********************************************************************/
1265
1266 NTSTATUS _samr_query_aliasinfo(pipes_struct *p, SAMR_Q_QUERY_ALIASINFO *q_u, SAMR_R_QUERY_ALIASINFO *r_u)
1267 {
1268         DOM_SID   sid;
1269         struct acct_info info;
1270         uint32    acc_granted;
1271         BOOL ret;
1272
1273         r_u->status = NT_STATUS_OK;
1274
1275         DEBUG(5,("_samr_query_aliasinfo: %d\n", __LINE__));
1276
1277         /* find the policy handle.  open a policy on it. */
1278         if (!get_lsa_policy_samr_sid(p, &q_u->pol, &sid, &acc_granted, NULL))
1279                 return NT_STATUS_INVALID_HANDLE;
1280         if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, SA_RIGHT_ALIAS_LOOKUP_INFO, "_samr_query_aliasinfo"))) {
1281                 return r_u->status;
1282         }
1283
1284         become_root();
1285         ret = pdb_get_aliasinfo(&sid, &info);
1286         unbecome_root();
1287
1288         if ( !ret )
1289                 return NT_STATUS_NO_SUCH_ALIAS;
1290
1291         if ( !(r_u->ctr = TALLOC_ZERO_P( p->mem_ctx, ALIAS_INFO_CTR )) )
1292                 return NT_STATUS_NO_MEMORY;
1293
1294
1295         switch (q_u->level ) {
1296         case 1:
1297                 r_u->ctr->level = 1;
1298                 init_samr_alias_info1(&r_u->ctr->alias.info1, info.acct_name, 1, info.acct_desc);
1299                 break;
1300         case 3:
1301                 r_u->ctr->level = 3;
1302                 init_samr_alias_info3(&r_u->ctr->alias.info3, info.acct_desc);
1303                 break;
1304         default:
1305                 return NT_STATUS_INVALID_INFO_CLASS;
1306         }
1307
1308         DEBUG(5,("_samr_query_aliasinfo: %d\n", __LINE__));
1309
1310         return r_u->status;
1311 }
1312
1313 #if 0
1314 /*******************************************************************
1315  samr_reply_lookup_ids
1316  ********************************************************************/
1317
1318  uint32 _samr_lookup_ids(pipes_struct *p, SAMR_Q_LOOKUP_IDS *q_u, SAMR_R_LOOKUP_IDS *r_u)
1319 {
1320     uint32 rid[MAX_SAM_ENTRIES];
1321     int num_rids = q_u->num_sids1;
1322
1323     r_u->status = NT_STATUS_OK;
1324
1325     DEBUG(5,("_samr_lookup_ids: %d\n", __LINE__));
1326
1327     if (num_rids > MAX_SAM_ENTRIES) {
1328         num_rids = MAX_SAM_ENTRIES;
1329         DEBUG(5,("_samr_lookup_ids: truncating entries to %d\n", num_rids));
1330     }
1331
1332 #if 0
1333     int i;
1334     SMB_ASSERT_ARRAY(q_u->uni_user_name, num_rids);
1335
1336     for (i = 0; i < num_rids && status == 0; i++)
1337     {
1338         struct sam_passwd *sam_pass;
1339         fstring user_name;
1340
1341
1342         fstrcpy(user_name, unistrn2(q_u->uni_user_name[i].buffer,
1343                                     q_u->uni_user_name[i].uni_str_len));
1344
1345         /* find the user account */
1346         become_root();
1347         sam_pass = get_smb21pwd_entry(user_name, 0);
1348         unbecome_root();
1349
1350         if (sam_pass == NULL)
1351         {
1352             status = 0xC0000000 | NT_STATUS_NO_SUCH_USER;
1353             rid[i] = 0;
1354         }
1355         else
1356         {
1357             rid[i] = sam_pass->user_rid;
1358         }
1359     }
1360 #endif
1361
1362     num_rids = 1;
1363     rid[0] = BUILTIN_ALIAS_RID_USERS;
1364
1365     init_samr_r_lookup_ids(&r_u, num_rids, rid, NT_STATUS_OK);
1366
1367     DEBUG(5,("_samr_lookup_ids: %d\n", __LINE__));
1368
1369     return r_u->status;
1370 }
1371 #endif
1372
1373 /*******************************************************************
1374  _samr_lookup_names
1375  ********************************************************************/
1376
1377 NTSTATUS _samr_lookup_names(pipes_struct *p, SAMR_Q_LOOKUP_NAMES *q_u, SAMR_R_LOOKUP_NAMES *r_u)
1378 {
1379         uint32 rid[MAX_SAM_ENTRIES];
1380         enum SID_NAME_USE type[MAX_SAM_ENTRIES];
1381         int i;
1382         int num_rids = q_u->num_names2;
1383         DOM_SID pol_sid;
1384         fstring sid_str;
1385         uint32  acc_granted;
1386
1387         r_u->status = NT_STATUS_OK;
1388
1389         DEBUG(5,("_samr_lookup_names: %d\n", __LINE__));
1390
1391         ZERO_ARRAY(rid);
1392         ZERO_ARRAY(type);
1393
1394         if (!get_lsa_policy_samr_sid(p, &q_u->pol, &pol_sid, &acc_granted, NULL)) {
1395                 init_samr_r_lookup_names(p->mem_ctx, r_u, 0, NULL, NULL, NT_STATUS_OBJECT_TYPE_MISMATCH);
1396                 return r_u->status;
1397         }
1398
1399         if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, 0, "_samr_lookup_names"))) { /* Don't know the acc_bits yet */
1400                 return r_u->status;
1401         }
1402
1403         if (num_rids > MAX_SAM_ENTRIES) {
1404                 num_rids = MAX_SAM_ENTRIES;
1405                 DEBUG(5,("_samr_lookup_names: truncating entries to %d\n", num_rids));
1406         }
1407
1408         DEBUG(5,("_samr_lookup_names: looking name on SID %s\n", sid_to_string(sid_str, &pol_sid)));
1409
1410         for (i = 0; i < num_rids; i++) {
1411                 fstring name;
1412                 int ret;
1413
1414                 r_u->status = NT_STATUS_NONE_MAPPED;
1415                 type[i] = SID_NAME_UNKNOWN;
1416
1417                 rid [i] = 0xffffffff;
1418
1419                 ret = rpcstr_pull(name, q_u->uni_name[i].buffer, sizeof(name), q_u->uni_name[i].uni_str_len*2, 0);
1420
1421                 if (ret <= 0) {
1422                         continue;
1423                 }
1424
1425                 if (sid_check_is_builtin(&pol_sid)) {
1426                         if (lookup_builtin_name(name, &rid[i])) {
1427                                 type[i] = SID_NAME_ALIAS;
1428                         }
1429                 } else {
1430                         lookup_global_sam_name(name, 0, &rid[i], &type[i]);
1431                 }
1432
1433                 if (type[i] != SID_NAME_UNKNOWN) {
1434                         r_u->status = NT_STATUS_OK;
1435                 }
1436         }
1437
1438         init_samr_r_lookup_names(p->mem_ctx, r_u, num_rids, rid, (uint32 *)type, r_u->status);
1439
1440         DEBUG(5,("_samr_lookup_names: %d\n", __LINE__));
1441
1442         return r_u->status;
1443 }
1444
1445 /*******************************************************************
1446  _samr_chgpasswd_user
1447  ********************************************************************/
1448
1449 NTSTATUS _samr_chgpasswd_user(pipes_struct *p, SAMR_Q_CHGPASSWD_USER *q_u, SAMR_R_CHGPASSWD_USER *r_u)
1450 {
1451         fstring user_name;
1452         fstring wks;
1453
1454         DEBUG(5,("_samr_chgpasswd_user: %d\n", __LINE__));
1455
1456         r_u->status = NT_STATUS_OK;
1457
1458         rpcstr_pull(user_name, q_u->uni_user_name.buffer, sizeof(user_name), q_u->uni_user_name.uni_str_len*2, 0);
1459         rpcstr_pull(wks, q_u->uni_dest_host.buffer, sizeof(wks), q_u->uni_dest_host.uni_str_len*2,0);
1460
1461         DEBUG(5,("samr_chgpasswd_user: user: %s wks: %s\n", user_name, wks));
1462
1463         /*
1464          * Pass the user through the NT -> unix user mapping
1465          * function.
1466          */
1467
1468         (void)map_username(user_name);
1469
1470         /*
1471          * UNIX username case mangling not required, pass_oem_change
1472          * is case insensitive.
1473          */
1474
1475         r_u->status = pass_oem_change(user_name, q_u->lm_newpass.pass, q_u->lm_oldhash.hash,
1476                                 q_u->nt_newpass.pass, q_u->nt_oldhash.hash, NULL);
1477
1478         init_samr_r_chgpasswd_user(r_u, r_u->status);
1479
1480         DEBUG(5,("_samr_chgpasswd_user: %d\n", __LINE__));
1481
1482         return r_u->status;
1483 }
1484
1485 /*******************************************************************
1486  _samr_chgpasswd_user3
1487  ********************************************************************/
1488
1489 NTSTATUS _samr_chgpasswd_user3(pipes_struct *p, SAMR_Q_CHGPASSWD_USER3 *q_u, SAMR_R_CHGPASSWD_USER3 *r_u)
1490 {
1491         fstring user_name;
1492         fstring wks;
1493         uint32 reject_reason;
1494         SAM_UNK_INFO_1 *info = NULL;
1495         SAMR_CHANGE_REJECT *reject = NULL;
1496
1497         DEBUG(5,("_samr_chgpasswd_user3: %d\n", __LINE__));
1498
1499         rpcstr_pull(user_name, q_u->uni_user_name.buffer, sizeof(user_name), q_u->uni_user_name.uni_str_len*2, 0);
1500         rpcstr_pull(wks, q_u->uni_dest_host.buffer, sizeof(wks), q_u->uni_dest_host.uni_str_len*2,0);
1501
1502         DEBUG(5,("_samr_chgpasswd_user3: user: %s wks: %s\n", user_name, wks));
1503
1504         /*
1505          * Pass the user through the NT -> unix user mapping
1506          * function.
1507          */
1508
1509         (void)map_username(user_name);
1510
1511         /*
1512          * UNIX username case mangling not required, pass_oem_change
1513          * is case insensitive.
1514          */
1515
1516         r_u->status = pass_oem_change(user_name, q_u->lm_newpass.pass, q_u->lm_oldhash.hash,
1517                                       q_u->nt_newpass.pass, q_u->nt_oldhash.hash, &reject_reason);
1518
1519         if (NT_STATUS_EQUAL(r_u->status, NT_STATUS_PASSWORD_RESTRICTION) ||
1520             NT_STATUS_EQUAL(r_u->status, NT_STATUS_ACCOUNT_RESTRICTION)) {
1521
1522                 uint32 min_pass_len,pass_hist,password_properties;
1523                 time_t u_expire, u_min_age;
1524                 NTTIME nt_expire, nt_min_age;
1525                 uint32 account_policy_temp;
1526
1527                 if ((info = TALLOC_ZERO_P(p->mem_ctx, SAM_UNK_INFO_1)) == NULL) {
1528                         return NT_STATUS_NO_MEMORY;
1529                 }
1530
1531                 if ((reject = TALLOC_ZERO_P(p->mem_ctx, SAMR_CHANGE_REJECT)) == NULL) {
1532                         return NT_STATUS_NO_MEMORY;
1533                 }
1534
1535                 ZERO_STRUCTP(info);
1536                 ZERO_STRUCTP(reject);
1537
1538                 become_root();
1539
1540                 /* AS ROOT !!! */
1541
1542                 pdb_get_account_policy(AP_MIN_PASSWORD_LEN, &account_policy_temp);
1543                 min_pass_len = account_policy_temp;
1544
1545                 pdb_get_account_policy(AP_PASSWORD_HISTORY, &account_policy_temp);
1546                 pass_hist = account_policy_temp;
1547
1548                 pdb_get_account_policy(AP_USER_MUST_LOGON_TO_CHG_PASS, &account_policy_temp);
1549                 password_properties = account_policy_temp;
1550
1551                 pdb_get_account_policy(AP_MAX_PASSWORD_AGE, &account_policy_temp);
1552                 u_expire = account_policy_temp;
1553
1554                 pdb_get_account_policy(AP_MIN_PASSWORD_AGE, &account_policy_temp);
1555                 u_min_age = account_policy_temp;
1556
1557                 /* !AS ROOT */
1558
1559                 unbecome_root();
1560
1561                 unix_to_nt_time_abs(&nt_expire, u_expire);
1562                 unix_to_nt_time_abs(&nt_min_age, u_min_age);
1563
1564                 init_unk_info1(info, (uint16)min_pass_len, (uint16)pass_hist,
1565                                password_properties, nt_expire, nt_min_age);
1566
1567                 reject->reject_reason = reject_reason;
1568         }
1569
1570         init_samr_r_chgpasswd_user3(r_u, r_u->status, reject, info);
1571
1572         DEBUG(5,("_samr_chgpasswd_user3: %d\n", __LINE__));
1573
1574         return r_u->status;
1575 }
1576
1577 /*******************************************************************
1578 makes a SAMR_R_LOOKUP_RIDS structure.
1579 ********************************************************************/
1580
1581 static BOOL make_samr_lookup_rids(TALLOC_CTX *ctx, uint32 num_names,
1582                                   const char **names, UNIHDR **pp_hdr_name,
1583                                   UNISTR2 **pp_uni_name)
1584 {
1585         uint32 i;
1586         UNIHDR *hdr_name=NULL;
1587         UNISTR2 *uni_name=NULL;
1588
1589         *pp_uni_name = NULL;
1590         *pp_hdr_name = NULL;
1591
1592         if (num_names != 0) {
1593                 hdr_name = TALLOC_ZERO_ARRAY(ctx, UNIHDR, num_names);
1594                 if (hdr_name == NULL)
1595                         return False;
1596
1597                 uni_name = TALLOC_ZERO_ARRAY(ctx,UNISTR2, num_names);
1598                 if (uni_name == NULL)
1599                         return False;
1600         }
1601
1602         for (i = 0; i < num_names; i++) {
1603                 DEBUG(10, ("names[%d]:%s\n", i, names[i] && *names[i] ? names[i] : ""));
1604                 init_unistr2(&uni_name[i], names[i], UNI_FLAGS_NONE);
1605                 init_uni_hdr(&hdr_name[i], &uni_name[i]);
1606         }
1607
1608         *pp_uni_name = uni_name;
1609         *pp_hdr_name = hdr_name;
1610
1611         return True;
1612 }
1613
1614 /*******************************************************************
1615  _samr_lookup_rids
1616  ********************************************************************/
1617
1618 NTSTATUS _samr_lookup_rids(pipes_struct *p, SAMR_Q_LOOKUP_RIDS *q_u, SAMR_R_LOOKUP_RIDS *r_u)
1619 {
1620         const char **names;
1621         uint32 *attrs = NULL;
1622         UNIHDR *hdr_name = NULL;
1623         UNISTR2 *uni_name = NULL;
1624         DOM_SID pol_sid;
1625         int num_rids = q_u->num_rids1;
1626         uint32 acc_granted;
1627
1628         r_u->status = NT_STATUS_OK;
1629
1630         DEBUG(5,("_samr_lookup_rids: %d\n", __LINE__));
1631
1632         /* find the policy handle.  open a policy on it. */
1633         if (!get_lsa_policy_samr_sid(p, &q_u->pol, &pol_sid, &acc_granted, NULL))
1634                 return NT_STATUS_INVALID_HANDLE;
1635
1636         if (num_rids > 1000) {
1637                 DEBUG(0, ("Got asked for %d rids (more than 1000) -- according "
1638                           "to samba4 idl this is not possible\n", num_rids));
1639                 return NT_STATUS_UNSUCCESSFUL;
1640         }
1641
1642         names = TALLOC_ZERO_ARRAY(p->mem_ctx, const char *, num_rids);
1643         attrs = TALLOC_ZERO_ARRAY(p->mem_ctx, uint32, num_rids);
1644
1645         if ((num_rids != 0) && ((names == NULL) || (attrs == NULL)))
1646                 return NT_STATUS_NO_MEMORY;
1647
1648         become_root();  /* lookup_sid can require root privs */
1649         r_u->status = pdb_lookup_rids(&pol_sid, num_rids, q_u->rid,
1650                                       names, attrs);
1651         unbecome_root();
1652
1653         if ( NT_STATUS_EQUAL(r_u->status, NT_STATUS_NONE_MAPPED) && (num_rids == 0) ) {
1654                 r_u->status = NT_STATUS_OK;
1655         }
1656
1657         if(!make_samr_lookup_rids(p->mem_ctx, num_rids, names,
1658                                   &hdr_name, &uni_name))
1659                 return NT_STATUS_NO_MEMORY;
1660
1661         init_samr_r_lookup_rids(r_u, num_rids, hdr_name, uni_name, attrs);
1662
1663         DEBUG(5,("_samr_lookup_rids: %d\n", __LINE__));
1664
1665         return r_u->status;
1666 }
1667
1668 /*******************************************************************
1669  _samr_open_user. Safe - gives out no passwd info.
1670  ********************************************************************/
1671
1672 NTSTATUS _samr_open_user(pipes_struct *p, SAMR_Q_OPEN_USER *q_u, SAMR_R_OPEN_USER *r_u)
1673 {
1674         struct samu *sampass=NULL;
1675         DOM_SID sid;
1676         POLICY_HND domain_pol = q_u->domain_pol;
1677         POLICY_HND *user_pol = &r_u->user_pol;
1678         struct samr_info *info = NULL;
1679         SEC_DESC *psd = NULL;
1680         uint32    acc_granted;
1681         uint32    des_access = q_u->access_mask;
1682         size_t    sd_size;
1683         BOOL ret;
1684         NTSTATUS nt_status;
1685         SE_PRIV se_rights;
1686
1687         r_u->status = NT_STATUS_OK;
1688
1689         /* find the domain policy handle and get domain SID / access bits in the domain policy. */
1690
1691         if ( !get_lsa_policy_samr_sid(p, &domain_pol, &sid, &acc_granted, NULL) )
1692                 return NT_STATUS_INVALID_HANDLE;
1693
1694         nt_status = access_check_samr_function( acc_granted,
1695                 SA_RIGHT_DOMAIN_OPEN_ACCOUNT, "_samr_open_user" );
1696
1697         if ( !NT_STATUS_IS_OK(nt_status) )
1698                 return nt_status;
1699
1700         if ( !(sampass = samu_new( p->mem_ctx )) ) {
1701                 return NT_STATUS_NO_MEMORY;
1702         }
1703
1704         /* append the user's RID to it */
1705
1706         if (!sid_append_rid(&sid, q_u->user_rid))
1707                 return NT_STATUS_NO_SUCH_USER;
1708
1709         /* check if access can be granted as requested by client. */
1710
1711         make_samr_object_sd(p->mem_ctx, &psd, &sd_size, &usr_generic_mapping, &sid, SAMR_USR_RIGHTS_WRITE_PW);
1712         se_map_generic(&des_access, &usr_generic_mapping);
1713
1714         se_priv_copy( &se_rights, &se_machine_account );
1715         se_priv_add( &se_rights, &se_add_users );
1716
1717         nt_status = access_check_samr_object(psd, p->pipe_user.nt_user_token,
1718                 &se_rights, GENERIC_RIGHTS_USER_WRITE, des_access,
1719                 &acc_granted, "_samr_open_user");
1720
1721         if ( !NT_STATUS_IS_OK(nt_status) )
1722                 return nt_status;
1723
1724         become_root();
1725         ret=pdb_getsampwsid(sampass, &sid);
1726         unbecome_root();
1727
1728         /* check that the SID exists in our domain. */
1729         if (ret == False) {
1730                 return NT_STATUS_NO_SUCH_USER;
1731         }
1732
1733         TALLOC_FREE(sampass);
1734
1735         /* associate the user's SID and access bits with the new handle. */
1736         if ((info = get_samr_info_by_sid(&sid)) == NULL)
1737                 return NT_STATUS_NO_MEMORY;
1738         info->acc_granted = acc_granted;
1739
1740         /* get a (unique) handle.  open a policy on it. */
1741         if (!create_policy_hnd(p, user_pol, free_samr_info, (void *)info))
1742                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
1743
1744         return r_u->status;
1745 }
1746
1747 /*************************************************************************
1748  get_user_info_7. Safe. Only gives out account_name.
1749  *************************************************************************/
1750
1751 static NTSTATUS get_user_info_7(TALLOC_CTX *mem_ctx, SAM_USER_INFO_7 *id7, DOM_SID *user_sid)
1752 {
1753         struct samu *smbpass=NULL;
1754         BOOL ret;
1755
1756         if ( !(smbpass = samu_new( mem_ctx )) ) {
1757                 return NT_STATUS_NO_MEMORY;
1758         }
1759
1760         become_root();
1761         ret = pdb_getsampwsid(smbpass, user_sid);
1762         unbecome_root();
1763
1764         if ( !ret ) {
1765                 DEBUG(4,("User %s not found\n", sid_string_static(user_sid)));
1766                 return NT_STATUS_NO_SUCH_USER;
1767         }
1768
1769         DEBUG(3,("User:[%s]\n", pdb_get_username(smbpass) ));
1770
1771         ZERO_STRUCTP(id7);
1772         init_sam_user_info7(id7, pdb_get_username(smbpass) );
1773
1774         TALLOC_FREE(smbpass);
1775
1776         return NT_STATUS_OK;
1777 }
1778
1779 /*************************************************************************
1780  get_user_info_9. Only gives out primary group SID.
1781  *************************************************************************/
1782 static NTSTATUS get_user_info_9(TALLOC_CTX *mem_ctx, SAM_USER_INFO_9 * id9, DOM_SID *user_sid)
1783 {
1784         struct samu *smbpass=NULL;
1785         BOOL ret;
1786
1787         if ( !(smbpass = samu_new( mem_ctx )) ) {
1788                 return NT_STATUS_NO_MEMORY;
1789         }
1790
1791         become_root();
1792         ret = pdb_getsampwsid(smbpass, user_sid);
1793         unbecome_root();
1794
1795         if (ret==False) {
1796                 DEBUG(4,("User %s not found\n", sid_string_static(user_sid)));
1797                 return NT_STATUS_NO_SUCH_USER;
1798         }
1799
1800         DEBUG(3,("User:[%s]\n", pdb_get_username(smbpass) ));
1801
1802         ZERO_STRUCTP(id9);
1803         init_sam_user_info9(id9, pdb_get_group_rid(smbpass) );
1804
1805         TALLOC_FREE(smbpass);
1806
1807         return NT_STATUS_OK;
1808 }
1809
1810 /*************************************************************************
1811  get_user_info_16. Safe. Only gives out acb bits.
1812  *************************************************************************/
1813
1814 static NTSTATUS get_user_info_16(TALLOC_CTX *mem_ctx, SAM_USER_INFO_16 *id16, DOM_SID *user_sid)
1815 {
1816         struct samu *smbpass=NULL;
1817         BOOL ret;
1818
1819         if ( !(smbpass = samu_new( mem_ctx )) ) {
1820                 return NT_STATUS_NO_MEMORY;
1821         }
1822
1823         become_root();
1824         ret = pdb_getsampwsid(smbpass, user_sid);
1825         unbecome_root();
1826
1827         if (ret==False) {
1828                 DEBUG(4,("User %s not found\n", sid_string_static(user_sid)));
1829                 return NT_STATUS_NO_SUCH_USER;
1830         }
1831
1832         DEBUG(3,("User:[%s]\n", pdb_get_username(smbpass) ));
1833
1834         ZERO_STRUCTP(id16);
1835         init_sam_user_info16(id16, pdb_get_acct_ctrl(smbpass) );
1836
1837         TALLOC_FREE(smbpass);
1838
1839         return NT_STATUS_OK;
1840 }
1841
1842 /*************************************************************************
1843  get_user_info_18. OK - this is the killer as it gives out password info.
1844  Ensure that this is only allowed on an encrypted connection with a root
1845  user. JRA.
1846  *************************************************************************/
1847
1848 static NTSTATUS get_user_info_18(pipes_struct *p, TALLOC_CTX *mem_ctx, SAM_USER_INFO_18 * id18, DOM_SID *user_sid)
1849 {
1850         struct samu *smbpass=NULL;
1851         BOOL ret;
1852
1853         if (p->auth.auth_type != PIPE_AUTH_TYPE_NTLMSSP || p->auth.auth_type != PIPE_AUTH_TYPE_SPNEGO_NTLMSSP) {
1854                 return NT_STATUS_ACCESS_DENIED;
1855         }
1856
1857         if (p->auth.auth_level != PIPE_AUTH_LEVEL_PRIVACY) {
1858                 return NT_STATUS_ACCESS_DENIED;
1859         }
1860
1861         /*
1862          * Do *NOT* do become_root()/unbecome_root() here ! JRA.
1863          */
1864
1865         if ( !(smbpass = samu_new( mem_ctx )) ) {
1866                 return NT_STATUS_NO_MEMORY;
1867         }
1868
1869         ret = pdb_getsampwsid(smbpass, user_sid);
1870
1871         if (ret == False) {
1872                 DEBUG(4, ("User %s not found\n", sid_string_static(user_sid)));
1873                 TALLOC_FREE(smbpass);
1874                 return (geteuid() == (uid_t)0) ? NT_STATUS_NO_SUCH_USER : NT_STATUS_ACCESS_DENIED;
1875         }
1876
1877         DEBUG(3,("User:[%s] 0x%x\n", pdb_get_username(smbpass), pdb_get_acct_ctrl(smbpass) ));
1878
1879         if ( pdb_get_acct_ctrl(smbpass) & ACB_DISABLED) {
1880                 TALLOC_FREE(smbpass);
1881                 return NT_STATUS_ACCOUNT_DISABLED;
1882         }
1883
1884         ZERO_STRUCTP(id18);
1885         init_sam_user_info18(id18, pdb_get_lanman_passwd(smbpass), pdb_get_nt_passwd(smbpass));
1886
1887         TALLOC_FREE(smbpass);
1888
1889         return NT_STATUS_OK;
1890 }
1891
1892 /*************************************************************************
1893  get_user_info_20
1894  *************************************************************************/
1895
1896 static NTSTATUS get_user_info_20(TALLOC_CTX *mem_ctx, SAM_USER_INFO_20 *id20, DOM_SID *user_sid)
1897 {
1898         struct samu *sampass=NULL;
1899         BOOL ret;
1900
1901         if ( !(sampass = samu_new( mem_ctx )) ) {
1902                 return NT_STATUS_NO_MEMORY;
1903         }
1904
1905         become_root();
1906         ret = pdb_getsampwsid(sampass, user_sid);
1907         unbecome_root();
1908
1909         if (ret == False) {
1910                 DEBUG(4,("User %s not found\n", sid_string_static(user_sid)));
1911                 return NT_STATUS_NO_SUCH_USER;
1912         }
1913
1914         samr_clear_sam_passwd(sampass);
1915
1916         DEBUG(3,("User:[%s]\n",  pdb_get_username(sampass) ));
1917
1918         ZERO_STRUCTP(id20);
1919         init_sam_user_info20A(id20, sampass);
1920
1921         TALLOC_FREE(sampass);
1922
1923         return NT_STATUS_OK;
1924 }
1925
1926 /*************************************************************************
1927  get_user_info_21
1928  *************************************************************************/
1929
1930 static NTSTATUS get_user_info_21(TALLOC_CTX *mem_ctx, SAM_USER_INFO_21 *id21,
1931                                  DOM_SID *user_sid, DOM_SID *domain_sid)
1932 {
1933         struct samu *sampass=NULL;
1934         BOOL ret;
1935         NTSTATUS nt_status;
1936
1937         if ( !(sampass = samu_new( mem_ctx )) ) {
1938                 return NT_STATUS_NO_MEMORY;
1939         }
1940
1941         become_root();
1942         ret = pdb_getsampwsid(sampass, user_sid);
1943         unbecome_root();
1944
1945         if (ret == False) {
1946                 DEBUG(4,("User %s not found\n", sid_string_static(user_sid)));
1947                 return NT_STATUS_NO_SUCH_USER;
1948         }
1949
1950         samr_clear_sam_passwd(sampass);
1951
1952         DEBUG(3,("User:[%s]\n",  pdb_get_username(sampass) ));
1953
1954         ZERO_STRUCTP(id21);
1955         nt_status = init_sam_user_info21A(id21, sampass, domain_sid);
1956
1957         TALLOC_FREE(sampass);
1958
1959         return NT_STATUS_OK;
1960 }
1961
1962 /*******************************************************************
1963  _samr_query_userinfo
1964  ********************************************************************/
1965
1966 NTSTATUS _samr_query_userinfo(pipes_struct *p, SAMR_Q_QUERY_USERINFO *q_u, SAMR_R_QUERY_USERINFO *r_u)
1967 {
1968         SAM_USERINFO_CTR *ctr;
1969         struct samr_info *info = NULL;
1970         DOM_SID domain_sid;
1971         uint32 rid;
1972
1973         r_u->status=NT_STATUS_OK;
1974
1975         /* search for the handle */
1976         if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&info))
1977                 return NT_STATUS_INVALID_HANDLE;
1978
1979         domain_sid = info->sid;
1980
1981         sid_split_rid(&domain_sid, &rid);
1982
1983         if (!sid_check_is_in_our_domain(&info->sid))
1984                 return NT_STATUS_OBJECT_TYPE_MISMATCH;
1985
1986         DEBUG(5,("_samr_query_userinfo: sid:%s\n", sid_string_static(&info->sid)));
1987
1988         ctr = TALLOC_ZERO_P(p->mem_ctx, SAM_USERINFO_CTR);
1989         if (!ctr)
1990                 return NT_STATUS_NO_MEMORY;
1991
1992         ZERO_STRUCTP(ctr);
1993
1994         /* ok!  user info levels (lots: see MSDEV help), off we go... */
1995         ctr->switch_value = q_u->switch_value;
1996
1997         DEBUG(5,("_samr_query_userinfo: user info level: %d\n", q_u->switch_value));
1998
1999         switch (q_u->switch_value) {
2000         case 7:
2001                 ctr->info.id7 = TALLOC_ZERO_P(p->mem_ctx, SAM_USER_INFO_7);
2002                 if (ctr->info.id7 == NULL)
2003                         return NT_STATUS_NO_MEMORY;
2004
2005                 if (!NT_STATUS_IS_OK(r_u->status = get_user_info_7(p->mem_ctx, ctr->info.id7, &info->sid)))
2006                         return r_u->status;
2007                 break;
2008         case 9:
2009                 ctr->info.id9 = TALLOC_ZERO_P(p->mem_ctx, SAM_USER_INFO_9);
2010                 if (ctr->info.id9 == NULL)
2011                         return NT_STATUS_NO_MEMORY;
2012
2013                 if (!NT_STATUS_IS_OK(r_u->status = get_user_info_9(p->mem_ctx, ctr->info.id9, &info->sid)))
2014                         return r_u->status;
2015                 break;
2016         case 16:
2017                 ctr->info.id16 = TALLOC_ZERO_P(p->mem_ctx, SAM_USER_INFO_16);
2018                 if (ctr->info.id16 == NULL)
2019                         return NT_STATUS_NO_MEMORY;
2020
2021                 if (!NT_STATUS_IS_OK(r_u->status = get_user_info_16(p->mem_ctx, ctr->info.id16, &info->sid)))
2022                         return r_u->status;
2023                 break;
2024
2025         case 18:
2026                 ctr->info.id18 = TALLOC_ZERO_P(p->mem_ctx, SAM_USER_INFO_18);
2027                 if (ctr->info.id18 == NULL)
2028                         return NT_STATUS_NO_MEMORY;
2029
2030                 if (!NT_STATUS_IS_OK(r_u->status = get_user_info_18(p, p->mem_ctx, ctr->info.id18, &info->sid)))
2031                         return r_u->status;
2032                 break;
2033
2034         case 20:
2035                 ctr->info.id20 = TALLOC_ZERO_P(p->mem_ctx,SAM_USER_INFO_20);
2036                 if (ctr->info.id20 == NULL)
2037                         return NT_STATUS_NO_MEMORY;
2038                 if (!NT_STATUS_IS_OK(r_u->status = get_user_info_20(p->mem_ctx, ctr->info.id20, &info->sid)))
2039                         return r_u->status;
2040                 break;
2041
2042         case 21:
2043                 ctr->info.id21 = TALLOC_ZERO_P(p->mem_ctx,SAM_USER_INFO_21);
2044                 if (ctr->info.id21 == NULL)
2045                         return NT_STATUS_NO_MEMORY;
2046                 if (!NT_STATUS_IS_OK(r_u->status = get_user_info_21(p->mem_ctx, ctr->info.id21,
2047                                                                     &info->sid, &domain_sid)))
2048                         return r_u->status;
2049                 break;
2050
2051         default:
2052                 return NT_STATUS_INVALID_INFO_CLASS;
2053         }
2054
2055         init_samr_r_query_userinfo(r_u, ctr, r_u->status);
2056
2057         DEBUG(5,("_samr_query_userinfo: %d\n", __LINE__));
2058
2059         return r_u->status;
2060 }
2061
2062 /*******************************************************************
2063  samr_reply_query_usergroups
2064  ********************************************************************/
2065
2066 NTSTATUS _samr_query_usergroups(pipes_struct *p, SAMR_Q_QUERY_USERGROUPS *q_u, SAMR_R_QUERY_USERGROUPS *r_u)
2067 {
2068         struct samu *sam_pass=NULL;
2069         DOM_SID  sid;
2070         DOM_SID *sids;
2071         DOM_GID dom_gid;
2072         DOM_GID *gids = NULL;
2073         uint32 primary_group_rid;
2074         size_t num_groups = 0;
2075         gid_t *unix_gids;
2076         size_t i, num_gids;
2077         uint32 acc_granted;
2078         BOOL ret;
2079         NTSTATUS result;
2080
2081         /*
2082          * from the SID in the request:
2083          * we should send back the list of DOMAIN GROUPS
2084          * the user is a member of
2085          *
2086          * and only the DOMAIN GROUPS
2087          * no ALIASES !!! neither aliases of the domain
2088          * nor aliases of the builtin SID
2089          *
2090          * JFM, 12/2/2001
2091          */
2092
2093         r_u->status = NT_STATUS_OK;
2094
2095         DEBUG(5,("_samr_query_usergroups: %d\n", __LINE__));
2096
2097         /* find the policy handle.  open a policy on it. */
2098         if (!get_lsa_policy_samr_sid(p, &q_u->pol, &sid, &acc_granted, NULL))
2099                 return NT_STATUS_INVALID_HANDLE;
2100
2101         if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, SA_RIGHT_USER_GET_GROUPS, "_samr_query_usergroups"))) {
2102                 return r_u->status;
2103         }
2104
2105         if (!sid_check_is_in_our_domain(&sid))
2106                 return NT_STATUS_OBJECT_TYPE_MISMATCH;
2107
2108         if ( !(sam_pass = samu_new( p->mem_ctx )) ) {
2109                 return NT_STATUS_NO_MEMORY;
2110         }
2111
2112         become_root();
2113         ret = pdb_getsampwsid(sam_pass, &sid);
2114         unbecome_root();
2115
2116         if (!ret) {
2117                 DEBUG(10, ("pdb_getsampwsid failed for %s\n",
2118                            sid_string_static(&sid)));
2119                 return NT_STATUS_NO_SUCH_USER;
2120         }
2121
2122         sids = NULL;
2123
2124         become_root();
2125         result = pdb_enum_group_memberships(p->mem_ctx, sam_pass,
2126                                             &sids, &unix_gids, &num_groups);
2127         unbecome_root();
2128
2129         if (!NT_STATUS_IS_OK(result)) {
2130                 DEBUG(10, ("pdb_enum_group_memberships failed for %s\n",
2131                            sid_string_static(&sid)));
2132                 return result;
2133         }
2134
2135         gids = NULL;
2136         num_gids = 0;
2137
2138         dom_gid.attr = (SE_GROUP_MANDATORY|SE_GROUP_ENABLED_BY_DEFAULT|
2139                         SE_GROUP_ENABLED);
2140
2141         if (!sid_peek_check_rid(get_global_sam_sid(),
2142                                 pdb_get_group_sid(sam_pass),
2143                                 &primary_group_rid)) {
2144                 DEBUG(5, ("Group sid %s for user %s not in our domain\n",
2145                           sid_string_static(pdb_get_group_sid(sam_pass)),
2146                           pdb_get_username(sam_pass)));
2147                 TALLOC_FREE(sam_pass);
2148                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
2149         }
2150
2151         dom_gid.g_rid = primary_group_rid;
2152
2153         ADD_TO_ARRAY(p->mem_ctx, DOM_GID, dom_gid, &gids, &num_gids);
2154
2155         for (i=0; i<num_groups; i++) {
2156
2157                 if (!sid_peek_check_rid(get_global_sam_sid(),
2158                                         &(sids[i]), &dom_gid.g_rid)) {
2159                         DEBUG(10, ("Found sid %s not in our domain\n",
2160                                    sid_string_static(&sids[i])));
2161                         continue;
2162                 }
2163
2164                 if (dom_gid.g_rid == primary_group_rid) {
2165                         /* We added the primary group directly from the
2166                          * sam_account. The other SIDs are unique from
2167                          * enum_group_memberships */
2168                         continue;
2169                 }
2170
2171                 ADD_TO_ARRAY(p->mem_ctx, DOM_GID, dom_gid, &gids, &num_gids);
2172         }
2173
2174         /* construct the response.  lkclXXXX: gids are not copied! */
2175         init_samr_r_query_usergroups(r_u, num_gids, gids, r_u->status);
2176
2177         DEBUG(5,("_samr_query_usergroups: %d\n", __LINE__));
2178
2179         return r_u->status;
2180 }
2181
2182 /*******************************************************************
2183  _samr_query_domain_info
2184  ********************************************************************/
2185
2186 NTSTATUS _samr_query_domain_info(pipes_struct *p,
2187                                  SAMR_Q_QUERY_DOMAIN_INFO *q_u,
2188                                  SAMR_R_QUERY_DOMAIN_INFO *r_u)
2189 {
2190         struct samr_info *info = NULL;
2191         SAM_UNK_CTR *ctr;
2192         uint32 min_pass_len,pass_hist,password_properties;
2193         time_t u_expire, u_min_age;
2194         NTTIME nt_expire, nt_min_age;
2195
2196         time_t u_lock_duration, u_reset_time;
2197         NTTIME nt_lock_duration, nt_reset_time;
2198         uint32 lockout;
2199         time_t u_logout;
2200         NTTIME nt_logout;
2201
2202         uint32 account_policy_temp;
2203
2204         time_t seq_num;
2205         uint32 server_role;
2206
2207         uint32 num_users=0, num_groups=0, num_aliases=0;
2208
2209         if ((ctr = TALLOC_ZERO_P(p->mem_ctx, SAM_UNK_CTR)) == NULL) {
2210                 return NT_STATUS_NO_MEMORY;
2211         }
2212
2213         ZERO_STRUCTP(ctr);
2214
2215         r_u->status = NT_STATUS_OK;
2216
2217         DEBUG(5,("_samr_query_domain_info: %d\n", __LINE__));
2218
2219         /* find the policy handle.  open a policy on it. */
2220         if (!find_policy_by_hnd(p, &q_u->domain_pol, (void **)(void *)&info)) {
2221                 return NT_STATUS_INVALID_HANDLE;
2222         }
2223
2224         switch (q_u->switch_value) {
2225                 case 0x01:
2226
2227                         become_root();
2228
2229                         /* AS ROOT !!! */
2230
2231                         pdb_get_account_policy(AP_MIN_PASSWORD_LEN, &account_policy_temp);
2232                         min_pass_len = account_policy_temp;
2233
2234                         pdb_get_account_policy(AP_PASSWORD_HISTORY, &account_policy_temp);
2235                         pass_hist = account_policy_temp;
2236
2237                         pdb_get_account_policy(AP_USER_MUST_LOGON_TO_CHG_PASS, &account_policy_temp);
2238                         password_properties = account_policy_temp;
2239
2240                         pdb_get_account_policy(AP_MAX_PASSWORD_AGE, &account_policy_temp);
2241                         u_expire = account_policy_temp;
2242
2243                         pdb_get_account_policy(AP_MIN_PASSWORD_AGE, &account_policy_temp);
2244                         u_min_age = account_policy_temp;
2245
2246                         /* !AS ROOT */
2247
2248                         unbecome_root();
2249
2250                         unix_to_nt_time_abs(&nt_expire, u_expire);
2251                         unix_to_nt_time_abs(&nt_min_age, u_min_age);
2252
2253                         init_unk_info1(&ctr->info.inf1, (uint16)min_pass_len, (uint16)pass_hist,
2254                                        password_properties, nt_expire, nt_min_age);
2255                         break;
2256                 case 0x02:
2257
2258                         become_root();
2259
2260                         /* AS ROOT !!! */
2261
2262                         num_users = count_sam_users(info->disp_info, ACB_NORMAL);
2263                         num_groups = count_sam_groups(info->disp_info);
2264                         num_aliases = count_sam_aliases(info->disp_info);
2265
2266                         pdb_get_account_policy(AP_TIME_TO_LOGOUT, &account_policy_temp);
2267                         u_logout = account_policy_temp;
2268
2269                         unix_to_nt_time_abs(&nt_logout, u_logout);
2270
2271                         if (!pdb_get_seq_num(&seq_num))
2272                                 seq_num = time(NULL);
2273
2274                         /* !AS ROOT */
2275
2276                         unbecome_root();
2277
2278                         server_role = ROLE_DOMAIN_PDC;
2279                         if (lp_server_role() == ROLE_DOMAIN_BDC)
2280                                 server_role = ROLE_DOMAIN_BDC;
2281
2282                         init_unk_info2(&ctr->info.inf2, lp_serverstring(), lp_workgroup(), global_myname(), seq_num,
2283                                        num_users, num_groups, num_aliases, nt_logout, server_role);
2284                         break;
2285                 case 0x03:
2286
2287                         become_root();
2288
2289                         /* AS ROOT !!! */
2290
2291                         {
2292                                 uint32 ul;
2293                                 pdb_get_account_policy(AP_TIME_TO_LOGOUT, &ul);
2294                                 u_logout = (time_t)ul;
2295                         }
2296
2297                         /* !AS ROOT */
2298
2299                         unbecome_root();
2300
2301                         unix_to_nt_time_abs(&nt_logout, u_logout);
2302
2303                         init_unk_info3(&ctr->info.inf3, nt_logout);
2304                         break;
2305                 case 0x04:
2306                         init_unk_info4(&ctr->info.inf4, lp_serverstring());
2307                         break;
2308                 case 0x05:
2309                         init_unk_info5(&ctr->info.inf5, get_global_sam_name());
2310                         break;
2311                 case 0x06:
2312                         /* NT returns its own name when a PDC. win2k and later
2313                          * only the name of the PDC if itself is a BDC (samba4
2314                          * idl) */
2315                         init_unk_info6(&ctr->info.inf6, global_myname());
2316                         break;
2317                 case 0x07:
2318                         server_role = ROLE_DOMAIN_PDC;
2319                         if (lp_server_role() == ROLE_DOMAIN_BDC)
2320                                 server_role = ROLE_DOMAIN_BDC;
2321
2322                         init_unk_info7(&ctr->info.inf7, server_role);
2323                         break;
2324                 case 0x08:
2325
2326                         become_root();
2327
2328                         /* AS ROOT !!! */
2329
2330                         if (!pdb_get_seq_num(&seq_num)) {
2331                                 seq_num = time(NULL);
2332                         }
2333
2334                         /* !AS ROOT */
2335
2336                         unbecome_root();
2337
2338                         init_unk_info8(&ctr->info.inf8, (uint32) seq_num);
2339                         break;
2340                 case 0x0c:
2341
2342                         become_root();
2343
2344                         /* AS ROOT !!! */
2345
2346                         pdb_get_account_policy(AP_LOCK_ACCOUNT_DURATION, &account_policy_temp);
2347                         u_lock_duration = account_policy_temp;
2348                         if (u_lock_duration != -1) {
2349                                 u_lock_duration *= 60;
2350                         }
2351
2352                         pdb_get_account_policy(AP_RESET_COUNT_TIME, &account_policy_temp);
2353                         u_reset_time = account_policy_temp * 60;
2354
2355                         pdb_get_account_policy(AP_BAD_ATTEMPT_LOCKOUT, &account_policy_temp);
2356                         lockout = account_policy_temp;
2357
2358                         /* !AS ROOT */
2359
2360                         unbecome_root();
2361
2362                         unix_to_nt_time_abs(&nt_lock_duration, u_lock_duration);
2363                         unix_to_nt_time_abs(&nt_reset_time, u_reset_time);
2364
2365                         init_unk_info12(&ctr->info.inf12, nt_lock_duration, nt_reset_time, (uint16)lockout);
2366                         break;
2367                 default:
2368                         return NT_STATUS_INVALID_INFO_CLASS;
2369                 }
2370
2371
2372         init_samr_r_query_domain_info(r_u, q_u->switch_value, ctr, NT_STATUS_OK);
2373
2374         DEBUG(5,("_samr_query_domain_info: %d\n", __LINE__));
2375
2376         return r_u->status;
2377 }
2378
2379 /* W2k3 seems to use the same check for all 3 objects that can be created via
2380  * SAMR, if you try to create for example "Dialup" as an alias it says
2381  * "NT_STATUS_USER_EXISTS". This is racy, but we can't really lock the user
2382  * database. */
2383
2384 static NTSTATUS can_create(TALLOC_CTX *mem_ctx, const char *new_name)
2385 {
2386         enum SID_NAME_USE type;
2387         BOOL result;
2388
2389         DEBUG(10, ("Checking whether [%s] can be created\n", new_name));
2390
2391         become_root();
2392         /* Lookup in our local databases (only LOOKUP_NAME_ISOLATED set)
2393          * whether the name already exists */
2394         result = lookup_name(mem_ctx, new_name, LOOKUP_NAME_ISOLATED,
2395                              NULL, NULL, NULL, &type);
2396         unbecome_root();
2397
2398         if (!result) {
2399                 DEBUG(10, ("%s does not exist, can create it\n", new_name));
2400                 return NT_STATUS_OK;
2401         }
2402
2403         DEBUG(5, ("trying to create %s, exists as %s\n",
2404                   new_name, sid_type_lookup(type)));
2405
2406         if (type == SID_NAME_DOM_GRP) {
2407                 return NT_STATUS_GROUP_EXISTS;
2408         }
2409         if (type == SID_NAME_ALIAS) {
2410                 return NT_STATUS_ALIAS_EXISTS;
2411         }
2412
2413         /* Yes, the default is NT_STATUS_USER_EXISTS */
2414         return NT_STATUS_USER_EXISTS;
2415 }
2416
2417 /*******************************************************************
2418  _samr_create_user
2419  Create an account, can be either a normal user or a machine.
2420  This funcion will need to be updated for bdc/domain trusts.
2421  ********************************************************************/
2422
2423 NTSTATUS _samr_create_user(pipes_struct *p, SAMR_Q_CREATE_USER *q_u,
2424                            SAMR_R_CREATE_USER *r_u)
2425 {
2426         char *account;
2427         DOM_SID sid;
2428         POLICY_HND dom_pol = q_u->domain_pol;
2429         uint16 acb_info = q_u->acb_info;
2430         POLICY_HND *user_pol = &r_u->user_pol;
2431         struct samr_info *info = NULL;
2432         NTSTATUS nt_status;
2433         uint32 acc_granted;
2434         SEC_DESC *psd;
2435         size_t    sd_size;
2436         /* check this, when giving away 'add computer to domain' privs */
2437         uint32    des_access = GENERIC_RIGHTS_USER_ALL_ACCESS;
2438         BOOL can_add_account = False;
2439         SE_PRIV se_rights;
2440         DISP_INFO *disp_info = NULL;
2441
2442         /* Get the domain SID stored in the domain policy */
2443         if (!get_lsa_policy_samr_sid(p, &dom_pol, &sid, &acc_granted,
2444                                      &disp_info))
2445                 return NT_STATUS_INVALID_HANDLE;
2446
2447         nt_status = access_check_samr_function(acc_granted,
2448                                                SA_RIGHT_DOMAIN_CREATE_USER,
2449                                                "_samr_create_user");
2450         if (!NT_STATUS_IS_OK(nt_status)) {
2451                 return nt_status;
2452         }
2453
2454         if (!(acb_info == ACB_NORMAL || acb_info == ACB_DOMTRUST ||
2455               acb_info == ACB_WSTRUST || acb_info == ACB_SVRTRUST)) {
2456                 /* Match Win2k, and return NT_STATUS_INVALID_PARAMETER if
2457                    this parameter is not an account type */
2458                 return NT_STATUS_INVALID_PARAMETER;
2459         }
2460
2461         account = rpcstr_pull_unistr2_talloc(p->mem_ctx, &q_u->uni_name);
2462         if (account == NULL) {
2463                 return NT_STATUS_NO_MEMORY;
2464         }
2465
2466         nt_status = can_create(p->mem_ctx, account);
2467         if (!NT_STATUS_IS_OK(nt_status)) {
2468                 return nt_status;
2469         }
2470
2471         /* determine which user right we need to check based on the acb_info */
2472
2473         if ( acb_info & ACB_WSTRUST )
2474         {
2475                 se_priv_copy( &se_rights, &se_machine_account );
2476                 can_add_account = user_has_privileges(
2477                         p->pipe_user.nt_user_token, &se_rights );
2478         }
2479         /* usrmgr.exe (and net rpc trustdom grant) creates a normal user
2480            account for domain trusts and changes the ACB flags later */
2481         else if ( acb_info & ACB_NORMAL &&
2482                   (account[strlen(account)-1] != '$') )
2483         {
2484                 se_priv_copy( &se_rights, &se_add_users );
2485                 can_add_account = user_has_privileges(
2486                         p->pipe_user.nt_user_token, &se_rights );
2487         }
2488         else    /* implicit assumption of a BDC or domain trust account here
2489                  * (we already check the flags earlier) */
2490         {
2491                 if ( lp_enable_privileges() ) {
2492                         /* only Domain Admins can add a BDC or domain trust */
2493                         se_priv_copy( &se_rights, &se_priv_none );
2494                         can_add_account = nt_token_check_domain_rid(
2495                                 p->pipe_user.nt_user_token,
2496                                 DOMAIN_GROUP_RID_ADMINS );
2497                 }
2498         }
2499
2500         DEBUG(5, ("_samr_create_user: %s can add this account : %s\n",
2501                 p->pipe_user_name, can_add_account ? "True":"False" ));
2502
2503         /********** BEGIN Admin BLOCK **********/
2504
2505         if ( can_add_account )
2506                 become_root();
2507
2508         nt_status = pdb_create_user(p->mem_ctx, account, acb_info,
2509                                     &r_u->user_rid);
2510
2511         if ( can_add_account )
2512                 unbecome_root();
2513
2514         /********** END Admin BLOCK **********/
2515
2516         /* now check for failure */
2517
2518         if ( !NT_STATUS_IS_OK(nt_status) )
2519                 return nt_status;
2520
2521         /* Get the user's SID */
2522
2523         sid_compose(&sid, get_global_sam_sid(), r_u->user_rid);
2524
2525         make_samr_object_sd(p->mem_ctx, &psd, &sd_size, &usr_generic_mapping,
2526                             &sid, SAMR_USR_RIGHTS_WRITE_PW);
2527         se_map_generic(&des_access, &usr_generic_mapping);
2528
2529         nt_status = access_check_samr_object(psd, p->pipe_user.nt_user_token,
2530                 &se_rights, GENERIC_RIGHTS_USER_WRITE, des_access,
2531                 &acc_granted, "_samr_create_user");
2532
2533         if ( !NT_STATUS_IS_OK(nt_status) ) {
2534                 return nt_status;
2535         }
2536
2537         /* associate the user's SID with the new handle. */
2538         if ((info = get_samr_info_by_sid(&sid)) == NULL) {
2539                 return NT_STATUS_NO_MEMORY;
2540         }
2541
2542         ZERO_STRUCTP(info);
2543         info->sid = sid;
2544         info->acc_granted = acc_granted;
2545
2546         /* get a (unique) handle.  open a policy on it. */
2547         if (!create_policy_hnd(p, user_pol, free_samr_info, (void *)info)) {
2548                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
2549         }
2550
2551         /* After a "set" ensure we have no cached display info. */
2552         force_flush_samr_cache(info->disp_info);
2553
2554         r_u->access_granted = acc_granted;
2555
2556         return NT_STATUS_OK;
2557 }
2558
2559 /*******************************************************************
2560  samr_reply_connect_anon
2561  ********************************************************************/
2562
2563 NTSTATUS _samr_connect_anon(pipes_struct *p, SAMR_Q_CONNECT_ANON *q_u, SAMR_R_CONNECT_ANON *r_u)
2564 {
2565         struct samr_info *info = NULL;
2566         uint32    des_access = q_u->access_mask;
2567
2568         /* Access check */
2569
2570         if (!pipe_access_check(p)) {
2571                 DEBUG(3, ("access denied to samr_connect_anon\n"));
2572                 r_u->status = NT_STATUS_ACCESS_DENIED;
2573                 return r_u->status;
2574         }
2575
2576         /* set up the SAMR connect_anon response */
2577
2578         r_u->status = NT_STATUS_OK;
2579
2580         /* associate the user's SID with the new handle. */
2581         if ((info = get_samr_info_by_sid(NULL)) == NULL)
2582                 return NT_STATUS_NO_MEMORY;
2583
2584         /* don't give away the farm but this is probably ok.  The SA_RIGHT_SAM_ENUM_DOMAINS
2585            was observed from a win98 client trying to enumerate users (when configured
2586            user level access control on shares)   --jerry */
2587
2588         if (des_access == MAXIMUM_ALLOWED_ACCESS) {
2589                 /* Map to max possible knowing we're filtered below. */
2590                 des_access = GENERIC_ALL_ACCESS;
2591         }
2592
2593         se_map_generic( &des_access, &sam_generic_mapping );
2594         info->acc_granted = des_access & (SA_RIGHT_SAM_ENUM_DOMAINS|SA_RIGHT_SAM_OPEN_DOMAIN);
2595
2596         info->status = q_u->unknown_0;
2597
2598         /* get a (unique) handle.  open a policy on it. */
2599         if (!create_policy_hnd(p, &r_u->connect_pol, free_samr_info, (void *)info))
2600                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
2601
2602         return r_u->status;
2603 }
2604
2605 /*******************************************************************
2606  samr_reply_connect
2607  ********************************************************************/
2608
2609 NTSTATUS _samr_connect(pipes_struct *p, SAMR_Q_CONNECT *q_u, SAMR_R_CONNECT *r_u)
2610 {
2611         struct samr_info *info = NULL;
2612         SEC_DESC *psd = NULL;
2613         uint32    acc_granted;
2614         uint32    des_access = q_u->access_mask;
2615         NTSTATUS  nt_status;
2616         size_t    sd_size;
2617
2618
2619         DEBUG(5,("_samr_connect: %d\n", __LINE__));
2620
2621         /* Access check */
2622
2623         if (!pipe_access_check(p)) {
2624                 DEBUG(3, ("access denied to samr_connect\n"));
2625                 r_u->status = NT_STATUS_ACCESS_DENIED;
2626                 return r_u->status;
2627         }
2628
2629         make_samr_object_sd(p->mem_ctx, &psd, &sd_size, &sam_generic_mapping, NULL, 0);
2630         se_map_generic(&des_access, &sam_generic_mapping);
2631
2632         nt_status = access_check_samr_object(psd, p->pipe_user.nt_user_token,
2633                 NULL, 0, des_access, &acc_granted, "_samr_connect");
2634
2635         if ( !NT_STATUS_IS_OK(nt_status) )
2636                 return nt_status;
2637
2638         r_u->status = NT_STATUS_OK;
2639
2640         /* associate the user's SID and access granted with the new handle. */
2641         if ((info = get_samr_info_by_sid(NULL)) == NULL)
2642                 return NT_STATUS_NO_MEMORY;
2643
2644         info->acc_granted = acc_granted;
2645         info->status = q_u->access_mask;
2646
2647         /* get a (unique) handle.  open a policy on it. */
2648         if (!create_policy_hnd(p, &r_u->connect_pol, free_samr_info, (void *)info))
2649                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
2650
2651         DEBUG(5,("_samr_connect: %d\n", __LINE__));
2652
2653         return r_u->status;
2654 }
2655
2656 /*******************************************************************
2657  samr_connect4
2658  ********************************************************************/
2659
2660 NTSTATUS _samr_connect4(pipes_struct *p, SAMR_Q_CONNECT4 *q_u, SAMR_R_CONNECT4 *r_u)
2661 {
2662         struct samr_info *info = NULL;
2663         SEC_DESC *psd = NULL;
2664         uint32    acc_granted;
2665         uint32    des_access = q_u->access_mask;
2666         NTSTATUS  nt_status;
2667         size_t    sd_size;
2668
2669
2670         DEBUG(5,("_samr_connect4: %d\n", __LINE__));
2671
2672         /* Access check */
2673
2674         if (!pipe_access_check(p)) {
2675                 DEBUG(3, ("access denied to samr_connect4\n"));
2676                 r_u->status = NT_STATUS_ACCESS_DENIED;
2677                 return r_u->status;
2678         }
2679
2680         make_samr_object_sd(p->mem_ctx, &psd, &sd_size, &sam_generic_mapping, NULL, 0);
2681         se_map_generic(&des_access, &sam_generic_mapping);
2682
2683         nt_status = access_check_samr_object(psd, p->pipe_user.nt_user_token,
2684                 NULL, 0, des_access, &acc_granted, "_samr_connect4");
2685
2686         if ( !NT_STATUS_IS_OK(nt_status) )
2687                 return nt_status;
2688
2689         r_u->status = NT_STATUS_OK;
2690
2691         /* associate the user's SID and access granted with the new handle. */
2692         if ((info = get_samr_info_by_sid(NULL)) == NULL)
2693                 return NT_STATUS_NO_MEMORY;
2694
2695         info->acc_granted = acc_granted;
2696         info->status = q_u->access_mask;
2697
2698         /* get a (unique) handle.  open a policy on it. */
2699         if (!create_policy_hnd(p, &r_u->connect_pol, free_samr_info, (void *)info))
2700                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
2701
2702         DEBUG(5,("_samr_connect: %d\n", __LINE__));
2703
2704         return r_u->status;
2705 }
2706
2707 /*******************************************************************
2708  samr_connect5
2709  ********************************************************************/
2710
2711 NTSTATUS _samr_connect5(pipes_struct *p, SAMR_Q_CONNECT5 *q_u, SAMR_R_CONNECT5 *r_u)
2712 {
2713         struct samr_info *info = NULL;
2714         SEC_DESC *psd = NULL;
2715         uint32    acc_granted;
2716         uint32    des_access = q_u->access_mask;
2717         NTSTATUS  nt_status;
2718         POLICY_HND pol;
2719         size_t    sd_size;
2720
2721
2722         DEBUG(5,("_samr_connect5: %d\n", __LINE__));
2723
2724         ZERO_STRUCTP(r_u);
2725
2726         /* Access check */
2727
2728         if (!pipe_access_check(p)) {
2729                 DEBUG(3, ("access denied to samr_connect5\n"));
2730                 r_u->status = NT_STATUS_ACCESS_DENIED;
2731                 return r_u->status;
2732         }
2733
2734         make_samr_object_sd(p->mem_ctx, &psd, &sd_size, &sam_generic_mapping, NULL, 0);
2735         se_map_generic(&des_access, &sam_generic_mapping);
2736
2737         nt_status = access_check_samr_object(psd, p->pipe_user.nt_user_token,
2738                 NULL, 0, des_access, &acc_granted, "_samr_connect5");
2739
2740         if ( !NT_STATUS_IS_OK(nt_status) )
2741                 return nt_status;
2742
2743         /* associate the user's SID and access granted with the new handle. */
2744         if ((info = get_samr_info_by_sid(NULL)) == NULL)
2745                 return NT_STATUS_NO_MEMORY;
2746
2747         info->acc_granted = acc_granted;
2748         info->status = q_u->access_mask;
2749
2750         /* get a (unique) handle.  open a policy on it. */
2751         if (!create_policy_hnd(p, &pol, free_samr_info, (void *)info))
2752                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
2753
2754         DEBUG(5,("_samr_connect: %d\n", __LINE__));
2755
2756         init_samr_r_connect5(r_u, &pol, NT_STATUS_OK);
2757
2758         return r_u->status;
2759 }
2760
2761 /**********************************************************************
2762  api_samr_lookup_domain
2763  **********************************************************************/
2764
2765 NTSTATUS _samr_lookup_domain(pipes_struct *p, SAMR_Q_LOOKUP_DOMAIN *q_u, SAMR_R_LOOKUP_DOMAIN *r_u)
2766 {
2767         struct samr_info *info;
2768         fstring domain_name;
2769         DOM_SID sid;
2770
2771         r_u->status = NT_STATUS_OK;
2772
2773         if (!find_policy_by_hnd(p, &q_u->connect_pol, (void**)(void *)&info))
2774                 return NT_STATUS_INVALID_HANDLE;
2775
2776         /* win9x user manager likes to use SA_RIGHT_SAM_ENUM_DOMAINS here.
2777            Reverted that change so we will work with RAS servers again */
2778
2779         if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(info->acc_granted,
2780                 SA_RIGHT_SAM_OPEN_DOMAIN, "_samr_lookup_domain")))
2781         {
2782                 return r_u->status;
2783         }
2784
2785         rpcstr_pull(domain_name, q_u->uni_domain.buffer, sizeof(domain_name), q_u->uni_domain.uni_str_len*2, 0);
2786
2787         ZERO_STRUCT(sid);
2788
2789         if (strequal(domain_name, builtin_domain_name())) {
2790                 sid_copy(&sid, &global_sid_Builtin);
2791         } else {
2792                 if (!secrets_fetch_domain_sid(domain_name, &sid)) {
2793                         r_u->status = NT_STATUS_NO_SUCH_DOMAIN;
2794                 }
2795         }
2796
2797         DEBUG(2,("Returning domain sid for domain %s -> %s\n", domain_name, sid_string_static(&sid)));
2798
2799         init_samr_r_lookup_domain(r_u, &sid, r_u->status);
2800
2801         return r_u->status;
2802 }
2803
2804 /******************************************************************
2805 makes a SAMR_R_ENUM_DOMAINS structure.
2806 ********************************************************************/
2807
2808 static BOOL make_enum_domains(TALLOC_CTX *ctx, SAM_ENTRY **pp_sam,
2809                         UNISTR2 **pp_uni_name, uint32 num_sam_entries, fstring doms[])
2810 {
2811         uint32 i;
2812         SAM_ENTRY *sam;
2813         UNISTR2 *uni_name;
2814
2815         DEBUG(5, ("make_enum_domains\n"));
2816
2817         *pp_sam = NULL;
2818         *pp_uni_name = NULL;
2819
2820         if (num_sam_entries == 0)
2821                 return True;
2822
2823         sam = TALLOC_ZERO_ARRAY(ctx, SAM_ENTRY, num_sam_entries);
2824         uni_name = TALLOC_ZERO_ARRAY(ctx, UNISTR2, num_sam_entries);
2825
2826         if (sam == NULL || uni_name == NULL)
2827                 return False;
2828
2829         for (i = 0; i < num_sam_entries; i++) {
2830                 init_unistr2(&uni_name[i], doms[i], UNI_FLAGS_NONE);
2831                 init_sam_entry(&sam[i], &uni_name[i], 0);
2832         }
2833
2834         *pp_sam = sam;
2835         *pp_uni_name = uni_name;
2836
2837         return True;
2838 }
2839
2840 /**********************************************************************
2841  api_samr_enum_domains
2842  **********************************************************************/
2843
2844 NTSTATUS _samr_enum_domains(pipes_struct *p, SAMR_Q_ENUM_DOMAINS *q_u, SAMR_R_ENUM_DOMAINS *r_u)
2845 {
2846         struct samr_info *info;
2847         uint32 num_entries = 2;
2848         fstring dom[2];
2849         const char *name;
2850
2851         r_u->status = NT_STATUS_OK;
2852
2853         if (!find_policy_by_hnd(p, &q_u->pol, (void**)(void *)&info))
2854                 return NT_STATUS_INVALID_HANDLE;
2855
2856         if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(info->acc_granted, SA_RIGHT_SAM_ENUM_DOMAINS, "_samr_enum_domains"))) {
2857                 return r_u->status;
2858         }
2859
2860         name = get_global_sam_name();
2861
2862         fstrcpy(dom[0],name);
2863         strupper_m(dom[0]);
2864         fstrcpy(dom[1],"Builtin");
2865
2866         if (!make_enum_domains(p->mem_ctx, &r_u->sam, &r_u->uni_dom_name, num_entries, dom))
2867                 return NT_STATUS_NO_MEMORY;
2868
2869         init_samr_r_enum_domains(r_u, q_u->start_idx + num_entries, num_entries);
2870
2871         return r_u->status;
2872 }
2873
2874 /*******************************************************************
2875  api_samr_open_alias
2876  ********************************************************************/
2877
2878 NTSTATUS _samr_open_alias(pipes_struct *p, SAMR_Q_OPEN_ALIAS *q_u, SAMR_R_OPEN_ALIAS *r_u)
2879 {
2880         DOM_SID sid;
2881         POLICY_HND domain_pol = q_u->dom_pol;
2882         uint32 alias_rid = q_u->rid_alias;
2883         POLICY_HND *alias_pol = &r_u->pol;
2884         struct    samr_info *info = NULL;
2885         SEC_DESC *psd = NULL;
2886         uint32    acc_granted;
2887         uint32    des_access = q_u->access_mask;
2888         size_t    sd_size;
2889         NTSTATUS  status;
2890         SE_PRIV se_rights;
2891
2892         r_u->status = NT_STATUS_OK;
2893
2894         /* find the domain policy and get the SID / access bits stored in the domain policy */
2895
2896         if ( !get_lsa_policy_samr_sid(p, &domain_pol, &sid, &acc_granted, NULL) )
2897                 return NT_STATUS_INVALID_HANDLE;
2898
2899         status = access_check_samr_function(acc_granted,
2900                 SA_RIGHT_DOMAIN_OPEN_ACCOUNT, "_samr_open_alias");
2901
2902         if ( !NT_STATUS_IS_OK(status) )
2903                 return status;
2904
2905         /* append the alias' RID to it */
2906
2907         if (!sid_append_rid(&sid, alias_rid))
2908                 return NT_STATUS_NO_SUCH_ALIAS;
2909
2910         /*check if access can be granted as requested by client. */
2911
2912         make_samr_object_sd(p->mem_ctx, &psd, &sd_size, &ali_generic_mapping, NULL, 0);
2913         se_map_generic(&des_access,&ali_generic_mapping);
2914
2915         se_priv_copy( &se_rights, &se_add_users );
2916
2917
2918         status = access_check_samr_object(psd, p->pipe_user.nt_user_token,
2919                 &se_rights, GENERIC_RIGHTS_ALIAS_WRITE, des_access,
2920                 &acc_granted, "_samr_open_alias");
2921
2922         if ( !NT_STATUS_IS_OK(status) )
2923                 return status;
2924
2925         {
2926                 /* Check we actually have the requested alias */
2927                 enum SID_NAME_USE type;
2928                 BOOL result;
2929                 gid_t gid;
2930
2931                 become_root();
2932                 result = lookup_sid(NULL, &sid, NULL, NULL, &type);
2933                 unbecome_root();
2934
2935                 if (!result || (type != SID_NAME_ALIAS)) {
2936                         return NT_STATUS_NO_SUCH_ALIAS;
2937                 }
2938
2939                 /* make sure there is a mapping */
2940
2941                 if ( !sid_to_gid( &sid, &gid ) ) {
2942                         return NT_STATUS_NO_SUCH_ALIAS;
2943                 }
2944
2945         }
2946
2947         /* associate the alias SID with the new handle. */
2948         if ((info = get_samr_info_by_sid(&sid)) == NULL)
2949                 return NT_STATUS_NO_MEMORY;
2950
2951         info->acc_granted = acc_granted;
2952
2953         /* get a (unique) handle.  open a policy on it. */
2954         if (!create_policy_hnd(p, alias_pol, free_samr_info, (void *)info))
2955                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
2956
2957         return r_u->status;
2958 }
2959
2960 /*******************************************************************
2961  set_user_info_7
2962  ********************************************************************/
2963 static NTSTATUS set_user_info_7(TALLOC_CTX *mem_ctx,
2964                                 const SAM_USER_INFO_7 *id7, struct samu *pwd)
2965 {
2966         fstring new_name;
2967         NTSTATUS rc;
2968
2969         if (id7 == NULL) {
2970                 DEBUG(5, ("set_user_info_7: NULL id7\n"));
2971                 TALLOC_FREE(pwd);
2972                 return NT_STATUS_ACCESS_DENIED;
2973         }
2974
2975         if(!rpcstr_pull(new_name, id7->uni_name.buffer, sizeof(new_name), id7->uni_name.uni_str_len*2, 0)) {
2976                 DEBUG(5, ("set_user_info_7: failed to get new username\n"));
2977                 TALLOC_FREE(pwd);
2978                 return NT_STATUS_ACCESS_DENIED;
2979         }
2980
2981         /* check to see if the new username already exists.  Note: we can't
2982            reliably lock all backends, so there is potentially the
2983            possibility that a user can be created in between this check and
2984            the rename.  The rename should fail, but may not get the
2985            exact same failure status code.  I think this is small enough
2986            of a window for this type of operation and the results are
2987            simply that the rename fails with a slightly different status
2988            code (like UNSUCCESSFUL instead of ALREADY_EXISTS). */
2989
2990         rc = can_create(mem_ctx, new_name);
2991         if (!NT_STATUS_IS_OK(rc)) {
2992                 return rc;
2993         }
2994
2995         rc = pdb_rename_sam_account(pwd, new_name);
2996
2997         TALLOC_FREE(pwd);
2998         return rc;
2999 }
3000
3001 /*******************************************************************
3002  set_user_info_16
3003  ********************************************************************/
3004
3005 static BOOL set_user_info_16(const SAM_USER_INFO_16 *id16, struct samu *pwd)
3006 {
3007         if (id16 == NULL) {
3008                 DEBUG(5, ("set_user_info_16: NULL id16\n"));
3009                 TALLOC_FREE(pwd);
3010                 return False;
3011         }
3012
3013         /* FIX ME: check if the value is really changed --metze */
3014         if (!pdb_set_acct_ctrl(pwd, id16->acb_info, PDB_CHANGED)) {
3015                 TALLOC_FREE(pwd);
3016                 return False;
3017         }
3018
3019         if(!NT_STATUS_IS_OK(pdb_update_sam_account(pwd))) {
3020                 TALLOC_FREE(pwd);
3021                 return False;
3022         }
3023
3024         TALLOC_FREE(pwd);
3025
3026         return True;
3027 }
3028
3029 /*******************************************************************
3030  set_user_info_18
3031  ********************************************************************/
3032
3033 static BOOL set_user_info_18(SAM_USER_INFO_18 *id18, struct samu *pwd)
3034 {
3035
3036         if (id18 == NULL) {
3037                 DEBUG(2, ("set_user_info_18: id18 is NULL\n"));
3038                 TALLOC_FREE(pwd);
3039                 return False;
3040         }
3041
3042         if (!pdb_set_lanman_passwd (pwd, id18->lm_pwd, PDB_CHANGED)) {
3043                 TALLOC_FREE(pwd);
3044                 return False;
3045         }
3046         if (!pdb_set_nt_passwd     (pwd, id18->nt_pwd, PDB_CHANGED)) {
3047                 TALLOC_FREE(pwd);
3048                 return False;
3049         }
3050         if (!pdb_set_pass_changed_now (pwd)) {
3051                 TALLOC_FREE(pwd);
3052                 return False;
3053         }
3054
3055         if(!NT_STATUS_IS_OK(pdb_update_sam_account(pwd))) {
3056                 TALLOC_FREE(pwd);
3057                 return False;
3058         }
3059
3060         TALLOC_FREE(pwd);
3061         return True;
3062 }
3063
3064 /*******************************************************************
3065  set_user_info_20
3066  ********************************************************************/
3067
3068 static BOOL set_user_info_20(SAM_USER_INFO_20 *id20, struct samu *pwd)
3069 {
3070         if (id20 == NULL) {
3071                 DEBUG(5, ("set_user_info_20: NULL id20\n"));
3072                 return False;
3073         }
3074
3075         copy_id20_to_sam_passwd(pwd, id20);
3076
3077         /* write the change out */
3078         if(!NT_STATUS_IS_OK(pdb_update_sam_account(pwd))) {
3079                 TALLOC_FREE(pwd);
3080                 return False;
3081         }
3082
3083         TALLOC_FREE(pwd);
3084
3085         return True;
3086 }
3087 /*******************************************************************
3088  set_user_info_21
3089  ********************************************************************/
3090
3091 static NTSTATUS set_user_info_21(TALLOC_CTX *mem_ctx, SAM_USER_INFO_21 *id21,
3092                                  struct samu *pwd)
3093 {
3094         fstring new_name;
3095         NTSTATUS status;
3096
3097         if (id21 == NULL) {
3098                 DEBUG(5, ("set_user_info_21: NULL id21\n"));
3099                 return NT_STATUS_INVALID_PARAMETER;
3100         }
3101
3102         /* we need to separately check for an account rename first */
3103         if (rpcstr_pull(new_name, id21->uni_user_name.buffer,
3104                         sizeof(new_name), id21->uni_user_name.uni_str_len*2, 0) &&
3105            (!strequal(new_name, pdb_get_username(pwd)))) {
3106
3107                 /* check to see if the new username already exists.  Note: we can't
3108                    reliably lock all backends, so there is potentially the
3109                    possibility that a user can be created in between this check and
3110                    the rename.  The rename should fail, but may not get the
3111                    exact same failure status code.  I think this is small enough
3112                    of a window for this type of operation and the results are
3113                    simply that the rename fails with a slightly different status
3114                    code (like UNSUCCESSFUL instead of ALREADY_EXISTS). */
3115
3116                 status = can_create(mem_ctx, new_name);
3117                 if (!NT_STATUS_IS_OK(status)) {
3118                         return status;
3119                 }
3120
3121                 status = pdb_rename_sam_account(pwd, new_name);
3122
3123                 if (!NT_STATUS_IS_OK(status)) {
3124                         DEBUG(0,("set_user_info_21: failed to rename account: %s\n",
3125                                 nt_errstr(status)));
3126                         TALLOC_FREE(pwd);
3127                         return status;
3128                 }
3129
3130                 /* set the new username so that later
3131                    functions can work on the new account */
3132                 pdb_set_username(pwd, new_name, PDB_SET);
3133         }
3134
3135         copy_id21_to_sam_passwd(pwd, id21);
3136
3137         /*
3138          * The funny part about the previous two calls is
3139          * that pwd still has the password hashes from the
3140          * passdb entry.  These have not been updated from
3141          * id21.  I don't know if they need to be set.    --jerry
3142          */
3143
3144         if ( IS_SAM_CHANGED(pwd, PDB_GROUPSID) ) {
3145                 status = pdb_set_unix_primary_group(mem_ctx, pwd);
3146                 if ( !NT_STATUS_IS_OK(status) ) {
3147                         return status;
3148                 }
3149         }
3150
3151         /* Don't worry about writing out the user account since the
3152            primary group SID is generated solely from the user's Unix
3153            primary group. */
3154
3155         /* write the change out */
3156         if(!NT_STATUS_IS_OK(status = pdb_update_sam_account(pwd))) {
3157                 TALLOC_FREE(pwd);
3158                 return status;
3159         }
3160
3161         TALLOC_FREE(pwd);
3162
3163         return NT_STATUS_OK;
3164 }
3165
3166 /*******************************************************************
3167  set_user_info_23
3168  ********************************************************************/
3169
3170 static NTSTATUS set_user_info_23(TALLOC_CTX *mem_ctx, SAM_USER_INFO_23 *id23,
3171                                  struct samu *pwd)
3172 {
3173         pstring plaintext_buf;
3174         uint32 len;
3175         uint16 acct_ctrl;
3176         NTSTATUS status;
3177
3178         if (id23 == NULL) {
3179                 DEBUG(5, ("set_user_info_23: NULL id23\n"));
3180                 return NT_STATUS_INVALID_PARAMETER;
3181         }
3182
3183         DEBUG(5, ("Attempting administrator password change (level 23) for user %s\n",
3184                   pdb_get_username(pwd)));
3185
3186         acct_ctrl = pdb_get_acct_ctrl(pwd);
3187
3188         if (!decode_pw_buffer(id23->pass, plaintext_buf, 256, &len, STR_UNICODE)) {
3189                 TALLOC_FREE(pwd);
3190                 return NT_STATUS_INVALID_PARAMETER;
3191         }
3192
3193         if (!pdb_set_plaintext_passwd (pwd, plaintext_buf)) {
3194                 TALLOC_FREE(pwd);
3195                 return NT_STATUS_ACCESS_DENIED;
3196         }
3197
3198         copy_id23_to_sam_passwd(pwd, id23);
3199
3200         /* if it's a trust account, don't update /etc/passwd */
3201         if (    ( (acct_ctrl &  ACB_DOMTRUST) == ACB_DOMTRUST ) ||
3202                 ( (acct_ctrl &  ACB_WSTRUST) ==  ACB_WSTRUST) ||
3203                 ( (acct_ctrl &  ACB_SVRTRUST) ==  ACB_SVRTRUST) ) {
3204                 DEBUG(5, ("Changing trust account or non-unix-user password, not updating /etc/passwd\n"));
3205         } else  {
3206                 /* update the UNIX password */
3207                 if (lp_unix_password_sync() ) {
3208                         struct passwd *passwd = Get_Pwnam(pdb_get_username(pwd));
3209                         if (!passwd) {
3210                                 DEBUG(1, ("chgpasswd: Username does not exist in system !?!\n"));
3211                         }
3212
3213                         if(!chgpasswd(pdb_get_username(pwd), passwd, "", plaintext_buf, True)) {
3214                                 TALLOC_FREE(pwd);
3215                                 return NT_STATUS_ACCESS_DENIED;
3216                         }
3217                 }
3218         }
3219
3220         ZERO_STRUCT(plaintext_buf);
3221
3222         if (IS_SAM_CHANGED(pwd, PDB_GROUPSID) &&
3223             (!NT_STATUS_IS_OK(status =  pdb_set_unix_primary_group(mem_ctx,
3224                                                                    pwd)))) {
3225                 TALLOC_FREE(pwd);
3226                 return status;
3227         }
3228
3229         if(!NT_STATUS_IS_OK(status = pdb_update_sam_account(pwd))) {
3230                 TALLOC_FREE(pwd);
3231                 return status;
3232         }
3233
3234         TALLOC_FREE(pwd);
3235
3236         return NT_STATUS_OK;
3237 }
3238
3239 /*******************************************************************
3240  set_user_info_pw
3241  ********************************************************************/
3242
3243 static BOOL set_user_info_pw(uint8 *pass, struct samu *pwd)
3244 {
3245         uint32 len;
3246         pstring plaintext_buf;
3247         uint32 acct_ctrl;
3248
3249         DEBUG(5, ("Attempting administrator password change for user %s\n",
3250                   pdb_get_username(pwd)));
3251
3252         acct_ctrl = pdb_get_acct_ctrl(pwd);
3253
3254         ZERO_STRUCT(plaintext_buf);
3255
3256         if (!decode_pw_buffer(pass, plaintext_buf, 256, &len, STR_UNICODE)) {
3257                 TALLOC_FREE(pwd);
3258                 return False;
3259         }
3260
3261         if (!pdb_set_plaintext_passwd (pwd, plaintext_buf)) {
3262                 TALLOC_FREE(pwd);
3263                 return False;
3264         }
3265
3266         /* if it's a trust account, don't update /etc/passwd */
3267         if ( ( (acct_ctrl &  ACB_DOMTRUST) == ACB_DOMTRUST ) ||
3268                 ( (acct_ctrl &  ACB_WSTRUST) ==  ACB_WSTRUST) ||
3269                 ( (acct_ctrl &  ACB_SVRTRUST) ==  ACB_SVRTRUST) ) {
3270                 DEBUG(5, ("Changing trust account or non-unix-user password, not updating /etc/passwd\n"));
3271         } else {
3272                 /* update the UNIX password */
3273                 if (lp_unix_password_sync()) {
3274                         struct passwd *passwd = Get_Pwnam(pdb_get_username(pwd));
3275                         if (!passwd) {
3276                                 DEBUG(1, ("chgpasswd: Username does not exist in system !?!\n"));
3277                         }
3278
3279                         if(!chgpasswd(pdb_get_username(pwd), passwd, "", plaintext_buf, True)) {
3280                                 TALLOC_FREE(pwd);
3281                                 return False;
3282                         }
3283                 }
3284         }
3285
3286         ZERO_STRUCT(plaintext_buf);
3287
3288         DEBUG(5,("set_user_info_pw: pdb_update_pwd()\n"));
3289
3290         /* update the SAMBA password */
3291         if(!NT_STATUS_IS_OK(pdb_update_sam_account(pwd))) {
3292                 TALLOC_FREE(pwd);
3293                 return False;
3294         }
3295
3296         TALLOC_FREE(pwd);
3297
3298         return True;
3299 }
3300
3301 /*******************************************************************
3302  samr_reply_set_userinfo
3303  ********************************************************************/
3304
3305 NTSTATUS _samr_set_userinfo(pipes_struct *p, SAMR_Q_SET_USERINFO *q_u, SAMR_R_SET_USERINFO *r_u)
3306 {
3307         struct samu *pwd = NULL;
3308         DOM_SID sid;
3309         POLICY_HND *pol = &q_u->pol;
3310         uint16 switch_value = q_u->switch_value;
3311         SAM_USERINFO_CTR *ctr = q_u->ctr;
3312         uint32 acc_granted;
3313         uint32 acc_required;
3314         BOOL ret;
3315         BOOL has_enough_rights = False;
3316         uint32 acb_info;
3317         DISP_INFO *disp_info = NULL;
3318
3319         DEBUG(5, ("_samr_set_userinfo: %d\n", __LINE__));
3320
3321         r_u->status = NT_STATUS_OK;
3322
3323         /* find the policy handle.  open a policy on it. */
3324         if (!get_lsa_policy_samr_sid(p, pol, &sid, &acc_granted, &disp_info))
3325                 return NT_STATUS_INVALID_HANDLE;
3326
3327         /* observed when joining an XP client to a Samba domain */
3328
3329         acc_required = SA_RIGHT_USER_SET_PASSWORD | SA_RIGHT_USER_SET_ATTRIBUTES | SA_RIGHT_USER_ACCT_FLAGS_EXPIRY;
3330
3331         if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, acc_required, "_samr_set_userinfo"))) {
3332                 return r_u->status;
3333         }
3334
3335         DEBUG(5, ("_samr_set_userinfo: sid:%s, level:%d\n", sid_string_static(&sid), switch_value));
3336
3337         if (ctr == NULL) {
3338                 DEBUG(5, ("_samr_set_userinfo: NULL info level\n"));
3339                 return NT_STATUS_INVALID_INFO_CLASS;
3340         }
3341
3342         if ( !(pwd = samu_new( NULL )) ) {
3343                 return NT_STATUS_NO_MEMORY;
3344         }
3345
3346         become_root();
3347         ret = pdb_getsampwsid(pwd, &sid);
3348         unbecome_root();
3349
3350         if ( !ret ) {
3351                 TALLOC_FREE(pwd);
3352                 return NT_STATUS_NO_SUCH_USER;
3353         }
3354
3355         /* deal with machine password changes differently from userinfo changes */
3356         /* check to see if we have the sufficient rights */
3357
3358         acb_info = pdb_get_acct_ctrl(pwd);
3359         if ( acb_info & ACB_WSTRUST )
3360                 has_enough_rights = user_has_privileges( p->pipe_user.nt_user_token, &se_machine_account);
3361         else if ( acb_info & ACB_NORMAL )
3362                 has_enough_rights = user_has_privileges( p->pipe_user.nt_user_token, &se_add_users );
3363         else if ( acb_info & (ACB_SVRTRUST|ACB_DOMTRUST) ) {
3364                 if ( lp_enable_privileges() )
3365                         has_enough_rights = nt_token_check_domain_rid( p->pipe_user.nt_user_token, DOMAIN_GROUP_RID_ADMINS );
3366         }
3367
3368         DEBUG(5, ("_samr_set_userinfo: %s does%s possess sufficient rights\n",
3369                 p->pipe_user_name, has_enough_rights ? "" : " not"));
3370
3371         /* ================ BEGIN SeMachineAccountPrivilege BLOCK ================ */
3372
3373         if ( has_enough_rights )
3374                 become_root();
3375
3376         /* ok!  user info levels (lots: see MSDEV help), off we go... */
3377
3378         switch (switch_value) {
3379                 case 18:
3380                         if (!set_user_info_18(ctr->info.id18, pwd))
3381                                 r_u->status = NT_STATUS_ACCESS_DENIED;
3382                         break;
3383
3384                 case 24:
3385                         if (!p->session_key.length) {
3386                                 r_u->status = NT_STATUS_NO_USER_SESSION_KEY;
3387                         }
3388                         SamOEMhashBlob(ctr->info.id24->pass, 516, &p->session_key);
3389
3390                         dump_data(100, (char *)ctr->info.id24->pass, 516);
3391
3392                         if (!set_user_info_pw(ctr->info.id24->pass, pwd))
3393                                 r_u->status = NT_STATUS_ACCESS_DENIED;
3394                         break;
3395
3396                 case 25:
3397                         if (!p->session_key.length) {
3398                                 r_u->status = NT_STATUS_NO_USER_SESSION_KEY;
3399                         }
3400                         encode_or_decode_arc4_passwd_buffer(ctr->info.id25->pass, &p->session_key);
3401
3402                         dump_data(100, (char *)ctr->info.id25->pass, 532);
3403
3404                         if (!set_user_info_pw(ctr->info.id25->pass, pwd))
3405                                 r_u->status = NT_STATUS_ACCESS_DENIED;
3406                         break;
3407
3408                 case 26:
3409                         if (!p->session_key.length) {
3410                                 r_u->status = NT_STATUS_NO_USER_SESSION_KEY;
3411                         }
3412                         encode_or_decode_arc4_passwd_buffer(ctr->info.id26->pass, &p->session_key);
3413
3414                         dump_data(100, (char *)ctr->info.id26->pass, 516);
3415
3416                         if (!set_user_info_pw(ctr->info.id26->pass, pwd))
3417                                 r_u->status = NT_STATUS_ACCESS_DENIED;
3418                         break;
3419
3420                 case 23:
3421                         if (!p->session_key.length) {
3422                                 r_u->status = NT_STATUS_NO_USER_SESSION_KEY;
3423                         }
3424                         SamOEMhashBlob(ctr->info.id23->pass, 516, &p->session_key);
3425
3426                         dump_data(100, (char *)ctr->info.id23->pass, 516);
3427
3428                         r_u->status = set_user_info_23(p->mem_ctx,
3429                                                        ctr->info.id23, pwd);
3430                         break;
3431
3432                 default:
3433                         r_u->status = NT_STATUS_INVALID_INFO_CLASS;
3434         }
3435
3436
3437         if ( has_enough_rights )
3438                 unbecome_root();
3439
3440         /* ================ END SeMachineAccountPrivilege BLOCK ================ */
3441
3442         if (NT_STATUS_IS_OK(r_u->status)) {
3443                 force_flush_samr_cache(disp_info);
3444         }
3445
3446         return r_u->status;
3447 }
3448
3449 /*******************************************************************
3450  samr_reply_set_userinfo2
3451  ********************************************************************/
3452
3453 NTSTATUS _samr_set_userinfo2(pipes_struct *p, SAMR_Q_SET_USERINFO2 *q_u, SAMR_R_SET_USERINFO2 *r_u)
3454 {
3455         struct samu *pwd = NULL;
3456         DOM_SID sid;
3457         SAM_USERINFO_CTR *ctr = q_u->ctr;
3458         POLICY_HND *pol = &q_u->pol;
3459         uint16 switch_value = q_u->switch_value;
3460         uint32 acc_granted;
3461         uint32 acc_required;
3462         BOOL ret;
3463         BOOL has_enough_rights = False;
3464         uint32 acb_info;
3465         DISP_INFO *disp_info = NULL;
3466
3467         DEBUG(5, ("samr_reply_set_userinfo2: %d\n", __LINE__));
3468
3469         r_u->status = NT_STATUS_OK;
3470
3471         /* find the policy handle.  open a policy on it. */
3472         if (!get_lsa_policy_samr_sid(p, pol, &sid, &acc_granted, &disp_info))
3473                 return NT_STATUS_INVALID_HANDLE;
3474
3475
3476 #if 0   /* this really should be applied on a per info level basis   --jerry */
3477
3478         /* observed when joining XP client to Samba domain */
3479         acc_required = SA_RIGHT_USER_SET_PASSWORD | SA_RIGHT_USER_SET_ATTRIBUTES | SA_RIGHT_USER_ACCT_FLAGS_EXPIRY;
3480 #else
3481         acc_required = SA_RIGHT_USER_SET_ATTRIBUTES;
3482 #endif
3483
3484         if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, acc_required, "_samr_set_userinfo2"))) {
3485                 return r_u->status;
3486         }
3487
3488         DEBUG(5, ("samr_reply_set_userinfo2: sid:%s\n", sid_string_static(&sid)));
3489
3490         if (ctr == NULL) {
3491                 DEBUG(5, ("samr_reply_set_userinfo2: NULL info level\n"));
3492                 return NT_STATUS_INVALID_INFO_CLASS;
3493         }
3494
3495         switch_value=ctr->switch_value;
3496
3497         if ( !(pwd = samu_new( NULL )) ) {
3498                 return NT_STATUS_NO_MEMORY;
3499         }
3500
3501         become_root();
3502         ret = pdb_getsampwsid(pwd, &sid);
3503         unbecome_root();
3504
3505         if ( !ret ) {
3506                 TALLOC_FREE(pwd);
3507                 return NT_STATUS_NO_SUCH_USER;
3508         }
3509
3510         acb_info = pdb_get_acct_ctrl(pwd);
3511         if ( acb_info & ACB_WSTRUST )
3512                 has_enough_rights = user_has_privileges( p->pipe_user.nt_user_token, &se_machine_account);
3513         else if ( acb_info & ACB_NORMAL )
3514                 has_enough_rights = user_has_privileges( p->pipe_user.nt_user_token, &se_add_users );
3515         else if ( acb_info & (ACB_SVRTRUST|ACB_DOMTRUST) ) {
3516                 if ( lp_enable_privileges() )
3517                         has_enough_rights = nt_token_check_domain_rid( p->pipe_user.nt_user_token, DOMAIN_GROUP_RID_ADMINS );
3518         }
3519
3520         DEBUG(5, ("_samr_set_userinfo2: %s does%s possess sufficient rights\n",
3521                 p->pipe_user_name, has_enough_rights ? "" : " not"));
3522
3523         /* ================ BEGIN SeMachineAccountPrivilege BLOCK ================ */
3524
3525         if ( has_enough_rights )
3526                 become_root();
3527
3528         /* ok!  user info levels (lots: see MSDEV help), off we go... */
3529
3530         switch (switch_value) {
3531                 case 7:
3532                         r_u->status = set_user_info_7(p->mem_ctx,
3533                                                       ctr->info.id7, pwd);
3534                         break;
3535                 case 16:
3536                         if (!set_user_info_16(ctr->info.id16, pwd))
3537                                 r_u->status = NT_STATUS_ACCESS_DENIED;
3538                         break;
3539                 case 18:
3540                         /* Used by AS/U JRA. */
3541                         if (!set_user_info_18(ctr->info.id18, pwd))
3542                                 r_u->status = NT_STATUS_ACCESS_DENIED;
3543                         break;
3544                 case 20:
3545                         if (!set_user_info_20(ctr->info.id20, pwd))
3546                                 r_u->status = NT_STATUS_ACCESS_DENIED;
3547                         break;
3548                 case 21:
3549                         r_u->status = set_user_info_21(p->mem_ctx,
3550                                                        ctr->info.id21, pwd);
3551                         break;
3552                 case 23:
3553                         if (!p->session_key.length) {
3554                                 r_u->status = NT_STATUS_NO_USER_SESSION_KEY;
3555                         }
3556                         SamOEMhashBlob(ctr->info.id23->pass, 516, &p->session_key);
3557
3558                         dump_data(100, (char *)ctr->info.id23->pass, 516);
3559
3560                         r_u->status = set_user_info_23(p->mem_ctx,
3561                                                        ctr->info.id23, pwd);
3562                         break;
3563                 case 26:
3564                         if (!p->session_key.length) {
3565                                 r_u->status = NT_STATUS_NO_USER_SESSION_KEY;
3566                         }
3567                         encode_or_decode_arc4_passwd_buffer(ctr->info.id26->pass, &p->session_key);
3568
3569                         dump_data(100, (char *)ctr->info.id26->pass, 516);
3570
3571                         if (!set_user_info_pw(ctr->info.id26->pass, pwd))
3572                                 r_u->status = NT_STATUS_ACCESS_DENIED;
3573                         break;
3574                 default:
3575                         r_u->status = NT_STATUS_INVALID_INFO_CLASS;
3576         }
3577
3578         if ( has_enough_rights )
3579                 unbecome_root();
3580
3581         /* ================ END SeMachineAccountPrivilege BLOCK ================ */
3582
3583         if (NT_STATUS_IS_OK(r_u->status)) {
3584                 force_flush_samr_cache(disp_info);
3585         }
3586
3587         return r_u->status;
3588 }
3589
3590 /*********************************************************************
3591  _samr_query_aliasmem
3592 *********************************************************************/
3593
3594 NTSTATUS _samr_query_useraliases(pipes_struct *p, SAMR_Q_QUERY_USERALIASES *q_u, SAMR_R_QUERY_USERALIASES *r_u)
3595 {
3596         size_t num_alias_rids;
3597         uint32 *alias_rids;
3598         struct samr_info *info = NULL;
3599         size_t i;
3600
3601         NTSTATUS ntstatus1;
3602         NTSTATUS ntstatus2;
3603
3604         DOM_SID *members;
3605
3606         r_u->status = NT_STATUS_OK;
3607
3608         DEBUG(5,("_samr_query_useraliases: %d\n", __LINE__));
3609
3610         /* find the policy handle.  open a policy on it. */
3611         if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&info))
3612                 return NT_STATUS_INVALID_HANDLE;
3613
3614         ntstatus1 = access_check_samr_function(info->acc_granted, SA_RIGHT_DOMAIN_LOOKUP_ALIAS_BY_MEM, "_samr_query_useraliases");
3615         ntstatus2 = access_check_samr_function(info->acc_granted, SA_RIGHT_DOMAIN_OPEN_ACCOUNT, "_samr_query_useraliases");
3616
3617         if (!NT_STATUS_IS_OK(ntstatus1) || !NT_STATUS_IS_OK(ntstatus2)) {
3618                 if (!(NT_STATUS_EQUAL(ntstatus1,NT_STATUS_ACCESS_DENIED) && NT_STATUS_IS_OK(ntstatus2)) &&
3619                     !(NT_STATUS_EQUAL(ntstatus1,NT_STATUS_ACCESS_DENIED) && NT_STATUS_IS_OK(ntstatus1))) {
3620                         return (NT_STATUS_IS_OK(ntstatus1)) ? ntstatus2 : ntstatus1;
3621                 }
3622         }
3623
3624         if (!sid_check_is_domain(&info->sid) &&
3625             !sid_check_is_builtin(&info->sid))
3626                 return NT_STATUS_OBJECT_TYPE_MISMATCH;
3627
3628         members = TALLOC_ARRAY(p->mem_ctx, DOM_SID, q_u->num_sids1);
3629
3630         if (members == NULL)
3631                 return NT_STATUS_NO_MEMORY;
3632
3633         for (i=0; i<q_u->num_sids1; i++)
3634                 sid_copy(&members[i], &q_u->sid[i].sid);
3635
3636         alias_rids = NULL;
3637         num_alias_rids = 0;
3638
3639         become_root();
3640         ntstatus1 = pdb_enum_alias_memberships(p->mem_ctx, &info->sid, members,
3641                                                q_u->num_sids1,
3642                                                &alias_rids, &num_alias_rids);
3643         unbecome_root();
3644
3645         if (!NT_STATUS_IS_OK(ntstatus1)) {
3646                 return ntstatus1;
3647         }
3648
3649         init_samr_r_query_useraliases(r_u, num_alias_rids, alias_rids,
3650                                       NT_STATUS_OK);
3651         return NT_STATUS_OK;
3652 }
3653
3654 /*********************************************************************
3655  _samr_query_aliasmem
3656 *********************************************************************/
3657
3658 NTSTATUS _samr_query_aliasmem(pipes_struct *p, SAMR_Q_QUERY_ALIASMEM *q_u, SAMR_R_QUERY_ALIASMEM *r_u)
3659 {
3660         NTSTATUS status;
3661         size_t i;
3662         size_t num_sids = 0;
3663         DOM_SID2 *sid;
3664         DOM_SID *sids=NULL;
3665
3666         DOM_SID alias_sid;
3667
3668         uint32 acc_granted;
3669
3670         /* find the policy handle.  open a policy on it. */
3671         if (!get_lsa_policy_samr_sid(p, &q_u->alias_pol, &alias_sid, &acc_granted, NULL))
3672                 return NT_STATUS_INVALID_HANDLE;
3673
3674         if (!NT_STATUS_IS_OK(r_u->status =
3675                 access_check_samr_function(acc_granted, SA_RIGHT_ALIAS_GET_MEMBERS, "_samr_query_aliasmem"))) {
3676                 return r_u->status;
3677         }
3678
3679         DEBUG(10, ("sid is %s\n", sid_string_static(&alias_sid)));
3680
3681         status = pdb_enum_aliasmem(&alias_sid, &sids, &num_sids);
3682
3683         if (!NT_STATUS_IS_OK(status)) {
3684                 return status;
3685         }
3686
3687         sid = TALLOC_ZERO_ARRAY(p->mem_ctx, DOM_SID2, num_sids);
3688         if (num_sids!=0 && sid == NULL) {
3689                 SAFE_FREE(sids);
3690                 return NT_STATUS_NO_MEMORY;
3691         }
3692
3693         for (i = 0; i < num_sids; i++) {
3694                 init_dom_sid2(&sid[i], &sids[i]);
3695         }
3696
3697         init_samr_r_query_aliasmem(r_u, num_sids, sid, NT_STATUS_OK);
3698
3699         SAFE_FREE(sids);
3700
3701         return NT_STATUS_OK;
3702 }
3703
3704 /*********************************************************************
3705  _samr_query_groupmem
3706 *********************************************************************/
3707
3708 NTSTATUS _samr_query_groupmem(pipes_struct *p, SAMR_Q_QUERY_GROUPMEM *q_u, SAMR_R_QUERY_GROUPMEM *r_u)
3709 {
3710         DOM_SID group_sid;
3711         fstring group_sid_str;
3712         size_t i, num_members;
3713
3714         uint32 *rid=NULL;
3715         uint32 *attr=NULL;
3716
3717         uint32 acc_granted;
3718
3719         NTSTATUS result;
3720
3721         /* find the policy handle.  open a policy on it. */
3722         if (!get_lsa_policy_samr_sid(p, &q_u->group_pol, &group_sid, &acc_granted, NULL))
3723                 return NT_STATUS_INVALID_HANDLE;
3724
3725         if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, SA_RIGHT_GROUP_GET_MEMBERS, "_samr_query_groupmem"))) {
3726                 return r_u->status;
3727         }
3728
3729         sid_to_string(group_sid_str, &group_sid);
3730         DEBUG(10, ("sid is %s\n", group_sid_str));
3731
3732         if (!sid_check_is_in_our_domain(&group_sid)) {
3733                 DEBUG(3, ("sid %s is not in our domain\n", group_sid_str));
3734                 return NT_STATUS_NO_SUCH_GROUP;
3735         }
3736
3737         DEBUG(10, ("lookup on Domain SID\n"));
3738
3739         become_root();
3740         result = pdb_enum_group_members(p->mem_ctx, &group_sid,
3741                                         &rid, &num_members);
3742         unbecome_root();
3743
3744         if (!NT_STATUS_IS_OK(result))
3745                 return result;
3746
3747         attr=TALLOC_ZERO_ARRAY(p->mem_ctx, uint32, num_members);
3748
3749         if ((num_members!=0) && (rid==NULL))
3750                 return NT_STATUS_NO_MEMORY;
3751
3752         for (i=0; i<num_members; i++)
3753                 attr[i] = SID_NAME_USER;
3754
3755         init_samr_r_query_groupmem(r_u, num_members, rid, attr, NT_STATUS_OK);
3756
3757         return NT_STATUS_OK;
3758 }
3759
3760 /*********************************************************************
3761  _samr_add_aliasmem
3762 *********************************************************************/
3763
3764 NTSTATUS _samr_add_aliasmem(pipes_struct *p, SAMR_Q_ADD_ALIASMEM *q_u, SAMR_R_ADD_ALIASMEM *r_u)
3765 {
3766         DOM_SID alias_sid;
3767         uint32 acc_granted;
3768         SE_PRIV se_rights;
3769         BOOL can_add_accounts;
3770         NTSTATUS ret;
3771         DISP_INFO *disp_info = NULL;
3772
3773         /* Find the policy handle. Open a policy on it. */
3774         if (!get_lsa_policy_samr_sid(p, &q_u->alias_pol, &alias_sid, &acc_granted, &disp_info))
3775                 return NT_STATUS_INVALID_HANDLE;
3776
3777         if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, SA_RIGHT_ALIAS_ADD_MEMBER, "_samr_add_aliasmem"))) {
3778                 return r_u->status;
3779         }
3780
3781         DEBUG(10, ("sid is %s\n", sid_string_static(&alias_sid)));
3782
3783         se_priv_copy( &se_rights, &se_add_users );
3784         can_add_accounts = user_has_privileges( p->pipe_user.nt_user_token, &se_rights );
3785
3786         /******** BEGIN SeAddUsers BLOCK *********/
3787
3788         if ( can_add_accounts )
3789                 become_root();
3790
3791         ret = pdb_add_aliasmem(&alias_sid, &q_u->sid.sid);
3792
3793         if ( can_add_accounts )
3794                 unbecome_root();
3795
3796         /******** END SeAddUsers BLOCK *********/
3797
3798         if (NT_STATUS_IS_OK(ret)) {
3799                 force_flush_samr_cache(disp_info);
3800         }
3801
3802         return ret;
3803 }
3804
3805 /*********************************************************************
3806  _samr_del_aliasmem
3807 *********************************************************************/
3808
3809 NTSTATUS _samr_del_aliasmem(pipes_struct *p, SAMR_Q_DEL_ALIASMEM *q_u, SAMR_R_DEL_ALIASMEM *r_u)
3810 {
3811         DOM_SID alias_sid;
3812         uint32 acc_granted;
3813         SE_PRIV se_rights;
3814         BOOL can_add_accounts;
3815         NTSTATUS ret;
3816         DISP_INFO *disp_info = NULL;
3817
3818         /* Find the policy handle. Open a policy on it. */
3819         if (!get_lsa_policy_samr_sid(p, &q_u->alias_pol, &alias_sid, &acc_granted, &disp_info))
3820                 return NT_STATUS_INVALID_HANDLE;
3821
3822         if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, SA_RIGHT_ALIAS_REMOVE_MEMBER, "_samr_del_aliasmem"))) {
3823                 return r_u->status;
3824         }
3825
3826         DEBUG(10, ("_samr_del_aliasmem:sid is %s\n",
3827                    sid_string_static(&alias_sid)));
3828
3829         se_priv_copy( &se_rights, &se_add_users );
3830         can_add_accounts = user_has_privileges( p->pipe_user.nt_user_token, &se_rights );
3831
3832         /******** BEGIN SeAddUsers BLOCK *********/
3833
3834         if ( can_add_accounts )
3835                 become_root();
3836
3837         ret = pdb_del_aliasmem(&alias_sid, &q_u->sid.sid);
3838
3839         if ( can_add_accounts )
3840                 unbecome_root();
3841
3842         /******** END SeAddUsers BLOCK *********/
3843
3844         if (NT_STATUS_IS_OK(ret)) {
3845                 force_flush_samr_cache(disp_info);
3846         }
3847
3848         return ret;
3849 }
3850
3851 /*********************************************************************
3852  _samr_add_groupmem
3853 *********************************************************************/
3854
3855 NTSTATUS _samr_add_groupmem(pipes_struct *p, SAMR_Q_ADD_GROUPMEM *q_u, SAMR_R_ADD_GROUPMEM *r_u)
3856 {
3857         DOM_SID group_sid;
3858         uint32 group_rid;
3859         uint32 acc_granted;
3860         SE_PRIV se_rights;
3861         BOOL can_add_accounts;
3862         DISP_INFO *disp_info = NULL;
3863
3864         /* Find the policy handle. Open a policy on it. */
3865         if (!get_lsa_policy_samr_sid(p, &q_u->pol, &group_sid, &acc_granted, &disp_info))
3866                 return NT_STATUS_INVALID_HANDLE;
3867
3868         if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, SA_RIGHT_GROUP_ADD_MEMBER, "_samr_add_groupmem"))) {
3869                 return r_u->status;
3870         }
3871
3872         DEBUG(10, ("sid is %s\n", sid_string_static(&group_sid)));
3873
3874         if (!sid_peek_check_rid(get_global_sam_sid(), &group_sid,
3875                                 &group_rid)) {
3876                 return NT_STATUS_INVALID_HANDLE;
3877         }
3878
3879         se_priv_copy( &se_rights, &se_add_users );
3880         can_add_accounts = user_has_privileges( p->pipe_user.nt_user_token, &se_rights );
3881
3882         /******** BEGIN SeAddUsers BLOCK *********/
3883
3884         if ( can_add_accounts )
3885                 become_root();
3886
3887         r_u->status = pdb_add_groupmem(p->mem_ctx, group_rid, q_u->rid);
3888
3889         if ( can_add_accounts )
3890                 unbecome_root();
3891
3892         /******** END SeAddUsers BLOCK *********/
3893
3894         force_flush_samr_cache(disp_info);
3895
3896         return r_u->status;
3897 }
3898
3899 /*********************************************************************
3900  _samr_del_groupmem
3901 *********************************************************************/
3902
3903 NTSTATUS _samr_del_groupmem(pipes_struct *p, SAMR_Q_DEL_GROUPMEM *q_u, SAMR_R_DEL_GROUPMEM *r_u)
3904 {
3905         DOM_SID group_sid;
3906         uint32 group_rid;
3907         uint32 acc_granted;
3908         SE_PRIV se_rights;
3909         BOOL can_add_accounts;
3910         DISP_INFO *disp_info = NULL;
3911
3912         /*
3913          * delete the group member named q_u->rid
3914          * who is a member of the sid associated with the handle
3915          * the rid is a user's rid as the group is a domain group.
3916          */
3917
3918         /* Find the policy handle. Open a policy on it. */
3919         if (!get_lsa_policy_samr_sid(p, &q_u->pol, &group_sid, &acc_granted, &disp_info))
3920                 return NT_STATUS_INVALID_HANDLE;
3921
3922         if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, SA_RIGHT_GROUP_REMOVE_MEMBER, "_samr_del_groupmem"))) {
3923                 return r_u->status;
3924         }
3925
3926         if (!sid_peek_check_rid(get_global_sam_sid(), &group_sid,
3927                                 &group_rid)) {
3928                 return NT_STATUS_INVALID_HANDLE;
3929         }
3930
3931         se_priv_copy( &se_rights, &se_add_users );
3932         can_add_accounts = user_has_privileges( p->pipe_user.nt_user_token, &se_rights );
3933
3934         /******** BEGIN SeAddUsers BLOCK *********/
3935
3936         if ( can_add_accounts )
3937                 become_root();
3938
3939         r_u->status = pdb_del_groupmem(p->mem_ctx, group_rid, q_u->rid);
3940
3941         if ( can_add_accounts )
3942                 unbecome_root();
3943
3944         /******** END SeAddUsers BLOCK *********/
3945
3946         force_flush_samr_cache(disp_info);
3947
3948         return r_u->status;
3949 }
3950
3951 /*********************************************************************
3952  _samr_delete_dom_user
3953 *********************************************************************/
3954
3955 NTSTATUS _samr_delete_dom_user(pipes_struct *p, SAMR_Q_DELETE_DOM_USER *q_u, SAMR_R_DELETE_DOM_USER *r_u )
3956 {
3957         DOM_SID user_sid;
3958         struct samu *sam_pass=NULL;
3959         uint32 acc_granted;
3960         BOOL can_add_accounts;
3961         uint32 acb_info;
3962         DISP_INFO *disp_info = NULL;
3963
3964         DEBUG(5, ("_samr_delete_dom_user: %d\n", __LINE__));
3965
3966         /* Find the policy handle. Open a policy on it. */
3967         if (!get_lsa_policy_samr_sid(p, &q_u->user_pol, &user_sid, &acc_granted, &disp_info))
3968                 return NT_STATUS_INVALID_HANDLE;
3969
3970         if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, STD_RIGHT_DELETE_ACCESS, "_samr_delete_dom_user"))) {
3971                 return r_u->status;
3972         }
3973
3974         if (!sid_check_is_in_our_domain(&user_sid))
3975                 return NT_STATUS_CANNOT_DELETE;
3976
3977         /* check if the user exists before trying to delete */
3978         if ( !(sam_pass = samu_new( NULL )) ) {
3979                 return NT_STATUS_NO_MEMORY;
3980         }
3981
3982         if(!pdb_getsampwsid(sam_pass, &user_sid)) {
3983                 DEBUG(5,("_samr_delete_dom_user:User %s doesn't exist.\n",
3984                         sid_string_static(&user_sid)));
3985                 TALLOC_FREE(sam_pass);
3986                 return NT_STATUS_NO_SUCH_USER;
3987         }
3988
3989         acb_info = pdb_get_acct_ctrl(sam_pass);
3990
3991         /* For machine accounts it's the SeMachineAccountPrivilege that counts. */
3992         if ( acb_info & ACB_WSTRUST ) {
3993                 can_add_accounts = user_has_privileges( p->pipe_user.nt_user_token, &se_machine_account );
3994         } else {
3995                 can_add_accounts = user_has_privileges( p->pipe_user.nt_user_token, &se_add_users );
3996         }
3997
3998         /******** BEGIN SeAddUsers BLOCK *********/
3999
4000         if ( can_add_accounts )
4001                 become_root();
4002
4003         r_u->status = pdb_delete_user(p->mem_ctx, sam_pass);
4004
4005         if ( can_add_accounts )
4006                 unbecome_root();
4007
4008         /******** END SeAddUsers BLOCK *********/
4009
4010         if ( !NT_STATUS_IS_OK(r_u->status) ) {
4011                 DEBUG(5,("_samr_delete_dom_user: Failed to delete entry for "
4012                          "user %s: %s.\n", pdb_get_username(sam_pass),
4013                          nt_errstr(r_u->status)));
4014                 TALLOC_FREE(sam_pass);
4015                 return r_u->status;
4016         }
4017
4018
4019         TALLOC_FREE(sam_pass);
4020
4021         if (!close_policy_hnd(p, &q_u->user_pol))
4022                 return NT_STATUS_OBJECT_NAME_INVALID;
4023
4024         force_flush_samr_cache(disp_info);
4025
4026         return NT_STATUS_OK;
4027 }
4028
4029 /*********************************************************************
4030  _samr_delete_dom_group
4031 *********************************************************************/
4032
4033 NTSTATUS _samr_delete_dom_group(pipes_struct *p, SAMR_Q_DELETE_DOM_GROUP *q_u, SAMR_R_DELETE_DOM_GROUP *r_u)
4034 {
4035         DOM_SID group_sid;
4036         uint32 group_rid;
4037         uint32 acc_granted;
4038         SE_PRIV se_rights;
4039         BOOL can_add_accounts;
4040         DISP_INFO *disp_info = NULL;
4041
4042         DEBUG(5, ("samr_delete_dom_group: %d\n", __LINE__));
4043
4044         /* Find the policy handle. Open a policy on it. */
4045         if (!get_lsa_policy_samr_sid(p, &q_u->group_pol, &group_sid, &acc_granted, &disp_info))
4046                 return NT_STATUS_INVALID_HANDLE;
4047
4048         if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, STD_RIGHT_DELETE_ACCESS, "_samr_delete_dom_group"))) {
4049                 return r_u->status;
4050         }
4051
4052         DEBUG(10, ("sid is %s\n", sid_string_static(&group_sid)));
4053
4054         if (!sid_peek_check_rid(get_global_sam_sid(), &group_sid,
4055                                 &group_rid)) {
4056                 return NT_STATUS_NO_SUCH_GROUP;
4057         }
4058
4059         se_priv_copy( &se_rights, &se_add_users );
4060         can_add_accounts = user_has_privileges( p->pipe_user.nt_user_token, &se_rights );
4061
4062         /******** BEGIN SeAddUsers BLOCK *********/
4063
4064         if ( can_add_accounts )
4065                 become_root();
4066
4067         r_u->status = pdb_delete_dom_group(p->mem_ctx, group_rid);
4068
4069         if ( can_add_accounts )
4070                 unbecome_root();
4071
4072         /******** END SeAddUsers BLOCK *********/
4073
4074         if ( !NT_STATUS_IS_OK(r_u->status) ) {
4075                 DEBUG(5,("_samr_delete_dom_group: Failed to delete mapping "
4076                          "entry for group %s: %s\n",
4077                          sid_string_static(&group_sid),
4078                          nt_errstr(r_u->status)));
4079                 return r_u->status;
4080         }
4081
4082         if (!close_policy_hnd(p, &q_u->group_pol))
4083                 return NT_STATUS_OBJECT_NAME_INVALID;
4084
4085         force_flush_samr_cache(disp_info);
4086
4087         return NT_STATUS_OK;
4088 }
4089
4090 /*********************************************************************
4091  _samr_delete_dom_alias
4092 *********************************************************************/
4093
4094 NTSTATUS _samr_delete_dom_alias(pipes_struct *p, SAMR_Q_DELETE_DOM_ALIAS *q_u, SAMR_R_DELETE_DOM_ALIAS *r_u)
4095 {
4096         DOM_SID alias_sid;
4097         uint32 acc_granted;
4098         SE_PRIV se_rights;
4099         BOOL can_add_accounts;
4100         BOOL ret;
4101         DISP_INFO *disp_info = NULL;
4102
4103         DEBUG(5, ("_samr_delete_dom_alias: %d\n", __LINE__));
4104
4105         /* Find the policy handle. Open a policy on it. */
4106         if (!get_lsa_policy_samr_sid(p, &q_u->alias_pol, &alias_sid, &acc_granted, &disp_info))
4107                 return NT_STATUS_INVALID_HANDLE;
4108
4109         /* copy the handle to the outgoing reply */
4110
4111         memcpy( &r_u->pol, &q_u->alias_pol, sizeof(r_u->pol) );
4112
4113         if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, STD_RIGHT_DELETE_ACCESS, "_samr_delete_dom_alias"))) {
4114                 return r_u->status;
4115         }
4116
4117         DEBUG(10, ("sid is %s\n", sid_string_static(&alias_sid)));
4118
4119         /* Don't let Windows delete builtin groups */
4120
4121         if ( sid_check_is_in_builtin( &alias_sid ) ) {
4122                 return NT_STATUS_SPECIAL_ACCOUNT;
4123         }
4124
4125         if (!sid_check_is_in_our_domain(&alias_sid))
4126                 return NT_STATUS_NO_SUCH_ALIAS;
4127
4128         DEBUG(10, ("lookup on Local SID\n"));
4129
4130         se_priv_copy( &se_rights, &se_add_users );
4131         can_add_accounts = user_has_privileges( p->pipe_user.nt_user_token, &se_rights );
4132
4133         /******** BEGIN SeAddUsers BLOCK *********/
4134
4135         if ( can_add_accounts )
4136                 become_root();
4137
4138         /* Have passdb delete the alias */
4139         ret = pdb_delete_alias(&alias_sid);
4140
4141         if ( can_add_accounts )
4142                 unbecome_root();
4143
4144         /******** END SeAddUsers BLOCK *********/
4145
4146         if ( !ret )
4147                 return NT_STATUS_ACCESS_DENIED;
4148
4149         if (!close_policy_hnd(p, &q_u->alias_pol))
4150                 return NT_STATUS_OBJECT_NAME_INVALID;
4151
4152         force_flush_samr_cache(disp_info);
4153
4154         return NT_STATUS_OK;
4155 }
4156
4157 /*********************************************************************
4158  _samr_create_dom_group
4159 *********************************************************************/
4160
4161 NTSTATUS _samr_create_dom_group(pipes_struct *p, SAMR_Q_CREATE_DOM_GROUP *q_u, SAMR_R_CREATE_DOM_GROUP *r_u)
4162 {
4163         DOM_SID dom_sid;
4164         DOM_SID info_sid;
4165         const char *name;
4166         struct samr_info *info;
4167         uint32 acc_granted;
4168         SE_PRIV se_rights;
4169         BOOL can_add_accounts;
4170         DISP_INFO *disp_info = NULL;
4171
4172         /* Find the policy handle. Open a policy on it. */
4173         if (!get_lsa_policy_samr_sid(p, &q_u->pol, &dom_sid, &acc_granted, &disp_info))
4174                 return NT_STATUS_INVALID_HANDLE;
4175
4176         if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, SA_RIGHT_DOMAIN_CREATE_GROUP, "_samr_create_dom_group"))) {
4177                 return r_u->status;
4178         }
4179
4180         if (!sid_equal(&dom_sid, get_global_sam_sid()))
4181                 return NT_STATUS_ACCESS_DENIED;
4182
4183         name = rpcstr_pull_unistr2_talloc(p->mem_ctx, &q_u->uni_acct_desc);
4184         if (name == NULL) {
4185                 return NT_STATUS_NO_MEMORY;
4186         }
4187
4188         r_u->status = can_create(p->mem_ctx, name);
4189         if (!NT_STATUS_IS_OK(r_u->status)) {
4190                 return r_u->status;
4191         }
4192
4193         se_priv_copy( &se_rights, &se_add_users );
4194         can_add_accounts = user_has_privileges( p->pipe_user.nt_user_token, &se_rights );
4195
4196         /******** BEGIN SeAddUsers BLOCK *********/
4197
4198         if ( can_add_accounts )
4199                 become_root();
4200
4201         /* check that we successfully create the UNIX group */
4202
4203         r_u->status = pdb_create_dom_group(p->mem_ctx, name, &r_u->rid);
4204
4205         if ( can_add_accounts )
4206                 unbecome_root();
4207
4208         /******** END SeAddUsers BLOCK *********/
4209
4210         /* check if we should bail out here */
4211
4212         if ( !NT_STATUS_IS_OK(r_u->status) )
4213                 return r_u->status;
4214
4215         sid_compose(&info_sid, get_global_sam_sid(), r_u->rid);
4216
4217         if ((info = get_samr_info_by_sid(&info_sid)) == NULL)
4218                 return NT_STATUS_NO_MEMORY;
4219
4220         /* they created it; let the user do what he wants with it */
4221
4222         info->acc_granted = GENERIC_RIGHTS_GROUP_ALL_ACCESS;
4223
4224         /* get a (unique) handle.  open a policy on it. */
4225         if (!create_policy_hnd(p, &r_u->pol, free_samr_info, (void *)info))
4226                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
4227
4228         force_flush_samr_cache(disp_info);
4229
4230         return NT_STATUS_OK;
4231 }
4232
4233 /*********************************************************************
4234  _samr_create_dom_alias
4235 *********************************************************************/
4236
4237 NTSTATUS _samr_create_dom_alias(pipes_struct *p, SAMR_Q_CREATE_DOM_ALIAS *q_u, SAMR_R_CREATE_DOM_ALIAS *r_u)
4238 {
4239         DOM_SID dom_sid;
4240         DOM_SID info_sid;
4241         fstring name;
4242         struct samr_info *info;
4243         uint32 acc_granted;
4244         gid_t gid;
4245         NTSTATUS result;
4246         SE_PRIV se_rights;
4247         BOOL can_add_accounts;
4248         DISP_INFO *disp_info = NULL;
4249
4250         /* Find the policy handle. Open a policy on it. */
4251         if (!get_lsa_policy_samr_sid(p, &q_u->dom_pol, &dom_sid, &acc_granted, &disp_info))
4252                 return NT_STATUS_INVALID_HANDLE;
4253
4254         if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, SA_RIGHT_DOMAIN_CREATE_ALIAS, "_samr_create_alias"))) {
4255                 return r_u->status;
4256         }
4257
4258         if (!sid_equal(&dom_sid, get_global_sam_sid()))
4259                 return NT_STATUS_ACCESS_DENIED;
4260
4261         unistr2_to_ascii(name, &q_u->uni_acct_desc, sizeof(name)-1);
4262
4263         se_priv_copy( &se_rights, &se_add_users );
4264         can_add_accounts = user_has_privileges( p->pipe_user.nt_user_token, &se_rights );
4265
4266         result = can_create(p->mem_ctx, name);
4267         if (!NT_STATUS_IS_OK(result)) {
4268                 return result;
4269         }
4270
4271         /******** BEGIN SeAddUsers BLOCK *********/
4272
4273         if ( can_add_accounts )
4274                 become_root();
4275
4276         /* Have passdb create the alias */
4277         result = pdb_create_alias(name, &r_u->rid);
4278
4279         if ( can_add_accounts )
4280                 unbecome_root();
4281
4282         /******** END SeAddUsers BLOCK *********/
4283
4284         if (!NT_STATUS_IS_OK(result)) {
4285                 DEBUG(10, ("pdb_create_alias failed: %s\n",
4286                            nt_errstr(result)));
4287                 return result;
4288         }
4289
4290         sid_copy(&info_sid, get_global_sam_sid());
4291         sid_append_rid(&info_sid, r_u->rid);
4292
4293         if (!sid_to_gid(&info_sid, &gid)) {
4294                 DEBUG(10, ("Could not find alias just created\n"));
4295                 return NT_STATUS_ACCESS_DENIED;
4296         }
4297
4298         /* check if the group has been successfully created */
4299         if ( getgrgid(gid) == NULL ) {
4300                 DEBUG(10, ("getgrgid(%d) of just created alias failed\n",
4301                            gid));
4302                 return NT_STATUS_ACCESS_DENIED;
4303         }
4304
4305         if ((info = get_samr_info_by_sid(&info_sid)) == NULL)
4306                 return NT_STATUS_NO_MEMORY;
4307
4308         /* they created it; let the user do what he wants with it */
4309
4310         info->acc_granted = GENERIC_RIGHTS_ALIAS_ALL_ACCESS;
4311
4312         /* get a (unique) handle.  open a policy on it. */
4313         if (!create_policy_hnd(p, &r_u->alias_pol, free_samr_info, (void *)info))
4314                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
4315
4316         force_flush_samr_cache(disp_info);
4317
4318         return NT_STATUS_OK;
4319 }
4320
4321 /*********************************************************************
4322  _samr_query_groupinfo
4323
4324 sends the name/comment pair of a domain group
4325 level 1 send also the number of users of that group
4326 *********************************************************************/
4327
4328 NTSTATUS _samr_query_groupinfo(pipes_struct *p, SAMR_Q_QUERY_GROUPINFO *q_u, SAMR_R_QUERY_GROUPINFO *r_u)
4329 {
4330         DOM_SID group_sid;
4331         GROUP_MAP map;
4332         GROUP_INFO_CTR *ctr;
4333         uint32 acc_granted;
4334         BOOL ret;
4335
4336         if (!get_lsa_policy_samr_sid(p, &q_u->pol, &group_sid, &acc_granted, NULL))
4337                 return NT_STATUS_INVALID_HANDLE;
4338
4339         if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, SA_RIGHT_GROUP_LOOKUP_INFO, "_samr_query_groupinfo"))) {
4340                 return r_u->status;
4341         }
4342
4343         become_root();
4344         ret = get_domain_group_from_sid(group_sid, &map);
4345         unbecome_root();
4346         if (!ret)
4347                 return NT_STATUS_INVALID_HANDLE;
4348
4349         ctr=TALLOC_ZERO_P(p->mem_ctx, GROUP_INFO_CTR);
4350         if (ctr==NULL)
4351                 return NT_STATUS_NO_MEMORY;
4352
4353         switch (q_u->switch_level) {
4354                 case 1: {
4355                         uint32 *members;
4356                         size_t num_members;
4357
4358                         ctr->switch_value1 = 1;
4359
4360                         become_root();
4361                         r_u->status = pdb_enum_group_members(
4362                                 p->mem_ctx, &group_sid, &members, &num_members);
4363                         unbecome_root();
4364
4365                         if (!NT_STATUS_IS_OK(r_u->status)) {
4366                                 return r_u->status;
4367                         }
4368
4369                         init_samr_group_info1(&ctr->group.info1, map.nt_name,
4370                                       map.comment, num_members);
4371                         break;
4372                 }
4373                 case 2:
4374                         ctr->switch_value1 = 2;
4375                         init_samr_group_info2(&ctr->group.info2, map.nt_name);
4376                         break;
4377                 case 3:
4378                         ctr->switch_value1 = 3;
4379                         init_samr_group_info3(&ctr->group.info3);
4380                         break;
4381                 case 4:
4382                         ctr->switch_value1 = 4;
4383                         init_samr_group_info4(&ctr->group.info4, map.comment);
4384                         break;
4385                 case 5: {
4386                         /*
4387                         uint32 *members;
4388                         size_t num_members;
4389                         */
4390
4391                         ctr->switch_value1 = 5;
4392
4393                         /*
4394                         become_root();
4395                         r_u->status = pdb_enum_group_members(
4396                                 p->mem_ctx, &group_sid, &members, &num_members);
4397                         unbecome_root();
4398
4399                         if (!NT_STATUS_IS_OK(r_u->status)) {
4400                                 return r_u->status;
4401                         }
4402                         */
4403                         init_samr_group_info5(&ctr->group.info5, map.nt_name,
4404                                       map.comment, 0 /* num_members */); /* in w2k3 this is always 0 */
4405                         break;
4406                 }
4407                 default:
4408                         return NT_STATUS_INVALID_INFO_CLASS;
4409         }
4410
4411         init_samr_r_query_groupinfo(r_u, ctr, NT_STATUS_OK);
4412
4413         return NT_STATUS_OK;
4414 }
4415
4416 /*********************************************************************
4417  _samr_set_groupinfo
4418
4419  update a domain group's comment.
4420 *********************************************************************/
4421
4422 NTSTATUS _samr_set_groupinfo(pipes_struct *p, SAMR_Q_SET_GROUPINFO *q_u, SAMR_R_SET_GROUPINFO *r_u)
4423 {
4424         DOM_SID group_sid;
4425         GROUP_MAP map;
4426         GROUP_INFO_CTR *ctr;
4427         uint32 acc_granted;
4428         NTSTATUS ret;
4429         BOOL result;
4430         BOOL can_mod_accounts;
4431         DISP_INFO *disp_info = NULL;
4432
4433         if (!get_lsa_policy_samr_sid(p, &q_u->pol, &group_sid, &acc_granted, &disp_info))
4434                 return NT_STATUS_INVALID_HANDLE;
4435
4436         if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, SA_RIGHT_GROUP_SET_INFO, "_samr_set_groupinfo"))) {
4437                 return r_u->status;
4438         }
4439
4440         become_root();
4441         result = get_domain_group_from_sid(group_sid, &map);
4442         unbecome_root();
4443         if (!result)
4444                 return NT_STATUS_NO_SUCH_GROUP;
4445
4446         ctr=q_u->ctr;
4447
4448         switch (ctr->switch_value1) {
4449                 case 1:
4450                         unistr2_to_ascii(map.comment, &(ctr->group.info1.uni_acct_desc), sizeof(map.comment)-1);
4451                         break;
4452                 case 4:
4453                         unistr2_to_ascii(map.comment, &(ctr->group.info4.uni_acct_desc), sizeof(map.comment)-1);
4454                         break;
4455                 default:
4456                         return NT_STATUS_INVALID_INFO_CLASS;
4457         }
4458
4459         can_mod_accounts = user_has_privileges( p->pipe_user.nt_user_token, &se_add_users );
4460
4461         /******** BEGIN SeAddUsers BLOCK *********/
4462
4463         if ( can_mod_accounts )
4464                 become_root();
4465
4466         ret = pdb_update_group_mapping_entry(&map);
4467
4468         if ( can_mod_accounts )
4469                 unbecome_root();
4470
4471         /******** End SeAddUsers BLOCK *********/
4472
4473         if (NT_STATUS_IS_OK(ret)) {
4474                 force_flush_samr_cache(disp_info);
4475         }
4476
4477         return ret;
4478 }
4479
4480 /*********************************************************************
4481  _samr_set_aliasinfo
4482
4483  update an alias's comment.
4484 *********************************************************************/
4485
4486 NTSTATUS _samr_set_aliasinfo(pipes_struct *p, SAMR_Q_SET_ALIASINFO *q_u, SAMR_R_SET_ALIASINFO *r_u)
4487 {
4488         DOM_SID group_sid;
4489         struct acct_info info;
4490         ALIAS_INFO_CTR *ctr;
4491         uint32 acc_granted;
4492         BOOL ret;
4493         BOOL can_mod_accounts;
4494         DISP_INFO *disp_info = NULL;
4495
4496         if (!get_lsa_policy_samr_sid(p, &q_u->alias_pol, &group_sid, &acc_granted, &disp_info))
4497                 return NT_STATUS_INVALID_HANDLE;
4498
4499         if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, SA_RIGHT_ALIAS_SET_INFO, "_samr_set_aliasinfo"))) {
4500                 return r_u->status;
4501         }
4502
4503         ctr=&q_u->ctr;
4504
4505         /* get the current group information */
4506
4507         if ( !pdb_get_aliasinfo( &group_sid, &info ) ) {
4508                 return NT_STATUS_NO_SUCH_ALIAS;
4509         }
4510
4511         switch (ctr->level) {
4512                 case 2:
4513                         /* We currently do not support renaming groups in the
4514                            the BUILTIN domain.  Refer to util_builtin.c to understand
4515                            why.  The eventually needs to be fixed to be like Windows
4516                            where you can rename builtin groups, just not delete them */
4517
4518                         if ( sid_check_is_in_builtin( &group_sid ) ) {
4519                                 return NT_STATUS_SPECIAL_ACCOUNT;
4520                         }
4521
4522                         if ( ctr->alias.info2.name.string ) {
4523                                 unistr2_to_ascii( info.acct_name, ctr->alias.info2.name.string,
4524                                         sizeof(info.acct_name)-1 );
4525                         }
4526                         else
4527                                 fstrcpy( info.acct_name, "" );
4528                         break;
4529                 case 3:
4530                         if ( ctr->alias.info3.description.string ) {
4531                                 unistr2_to_ascii( info.acct_desc,
4532                                         ctr->alias.info3.description.string,
4533                                         sizeof(info.acct_desc)-1 );
4534                         }
4535                         else
4536                                 fstrcpy( info.acct_desc, "" );
4537                         break;
4538                 default:
4539                         return NT_STATUS_INVALID_INFO_CLASS;
4540         }
4541
4542         can_mod_accounts = user_has_privileges( p->pipe_user.nt_user_token, &se_add_users );
4543
4544         /******** BEGIN SeAddUsers BLOCK *********/
4545
4546         if ( can_mod_accounts )
4547                 become_root();
4548
4549         ret = pdb_set_aliasinfo( &group_sid, &info );
4550
4551         if ( can_mod_accounts )
4552                 unbecome_root();
4553
4554         /******** End SeAddUsers BLOCK *********/
4555
4556         if (ret) {
4557                 force_flush_samr_cache(disp_info);
4558         }
4559
4560         return ret ? NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
4561 }
4562
4563 /*********************************************************************
4564  _samr_get_dom_pwinfo
4565 *********************************************************************/
4566
4567 NTSTATUS _samr_get_dom_pwinfo(pipes_struct *p, SAMR_Q_GET_DOM_PWINFO *q_u, SAMR_R_GET_DOM_PWINFO *r_u)
4568 {
4569         /* Perform access check.  Since this rpc does not require a
4570            policy handle it will not be caught by the access checks on
4571            SAMR_CONNECT or SAMR_CONNECT_ANON. */
4572
4573         if (!pipe_access_check(p)) {
4574                 DEBUG(3, ("access denied to samr_get_dom_pwinfo\n"));
4575                 r_u->status = NT_STATUS_ACCESS_DENIED;
4576                 return r_u->status;
4577         }
4578
4579         /* Actually, returning zeros here works quite well :-). */
4580
4581         return NT_STATUS_OK;
4582 }
4583
4584 /*********************************************************************
4585  _samr_open_group
4586 *********************************************************************/
4587
4588 NTSTATUS _samr_open_group(pipes_struct *p, SAMR_Q_OPEN_GROUP *q_u, SAMR_R_OPEN_GROUP *r_u)
4589 {
4590         DOM_SID sid;
4591         DOM_SID info_sid;
4592         GROUP_MAP map;
4593         struct samr_info *info;
4594         SEC_DESC         *psd = NULL;
4595         uint32            acc_granted;
4596         uint32            des_access = q_u->access_mask;
4597         size_t            sd_size;
4598         NTSTATUS          status;
4599         fstring sid_string;
4600         BOOL ret;
4601         SE_PRIV se_rights;
4602
4603         if (!get_lsa_policy_samr_sid(p, &q_u->domain_pol, &sid, &acc_granted, NULL))
4604                 return NT_STATUS_INVALID_HANDLE;
4605
4606         status = access_check_samr_function(acc_granted,
4607                 SA_RIGHT_DOMAIN_OPEN_ACCOUNT, "_samr_open_group");
4608
4609         if ( !NT_STATUS_IS_OK(status) )
4610                 return status;
4611
4612         /*check if access can be granted as requested by client. */
4613         make_samr_object_sd(p->mem_ctx, &psd, &sd_size, &grp_generic_mapping, NULL, 0);
4614         se_map_generic(&des_access,&grp_generic_mapping);
4615
4616         se_priv_copy( &se_rights, &se_add_users );
4617
4618         status = access_check_samr_object(psd, p->pipe_user.nt_user_token,
4619                 &se_rights, GENERIC_RIGHTS_GROUP_WRITE, des_access,
4620                 &acc_granted, "_samr_open_group");
4621
4622         if ( !NT_STATUS_IS_OK(status) )
4623                 return status;
4624
4625         /* this should not be hard-coded like this */
4626
4627         if (!sid_equal(&sid, get_global_sam_sid()))
4628                 return NT_STATUS_ACCESS_DENIED;
4629
4630         sid_copy(&info_sid, get_global_sam_sid());
4631         sid_append_rid(&info_sid, q_u->rid_group);
4632         sid_to_string(sid_string, &info_sid);
4633
4634         if ((info = get_samr_info_by_sid(&info_sid)) == NULL)
4635                 return NT_STATUS_NO_MEMORY;
4636
4637         info->acc_granted = acc_granted;
4638
4639         DEBUG(10, ("_samr_open_group:Opening SID: %s\n", sid_string));
4640
4641         /* check if that group really exists */
4642         become_root();
4643         ret = get_domain_group_from_sid(info->sid, &map);
4644         unbecome_root();
4645         if (!ret)
4646                 return NT_STATUS_NO_SUCH_GROUP;
4647
4648         /* get a (unique) handle.  open a policy on it. */
4649         if (!create_policy_hnd(p, &r_u->pol, free_samr_info, (void *)info))
4650                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
4651
4652         return NT_STATUS_OK;
4653 }
4654
4655 /*********************************************************************
4656  _samr_remove_sid_foreign_domain
4657 *********************************************************************/
4658
4659 NTSTATUS _samr_remove_sid_foreign_domain(pipes_struct *p,
4660                                           SAMR_Q_REMOVE_SID_FOREIGN_DOMAIN *q_u,
4661                                           SAMR_R_REMOVE_SID_FOREIGN_DOMAIN *r_u)
4662 {
4663         DOM_SID                 delete_sid, domain_sid;
4664         uint32                  acc_granted;
4665         NTSTATUS                result;
4666         DISP_INFO *disp_info = NULL;
4667
4668         sid_copy( &delete_sid, &q_u->sid.sid );
4669
4670         DEBUG(5,("_samr_remove_sid_foreign_domain: removing SID [%s]\n",
4671                 sid_string_static(&delete_sid)));
4672
4673         /* Find the policy handle. Open a policy on it. */
4674
4675         if (!get_lsa_policy_samr_sid(p, &q_u->dom_pol, &domain_sid,
4676                                      &acc_granted, &disp_info))
4677                 return NT_STATUS_INVALID_HANDLE;
4678
4679         result = access_check_samr_function(acc_granted, STD_RIGHT_DELETE_ACCESS,
4680                 "_samr_remove_sid_foreign_domain");
4681
4682         if (!NT_STATUS_IS_OK(result))
4683                 return result;
4684
4685         DEBUG(8, ("_samr_remove_sid_foreign_domain:sid is %s\n",
4686                 sid_string_static(&domain_sid)));
4687
4688         /* we can only delete a user from a group since we don't have
4689            nested groups anyways.  So in the latter case, just say OK */
4690
4691         /* TODO: The above comment nowadays is bogus. Since we have nested
4692          * groups now, and aliases members are never reported out of the unix
4693          * group membership, the "just say OK" makes this call a no-op. For
4694          * us. This needs fixing however. */
4695
4696         /* I've only ever seen this in the wild when deleting a user from
4697          * usrmgr.exe. domain_sid is the builtin domain, and the sid to delete
4698          * is the user about to be deleted. I very much suspect this is the
4699          * only application of this call. To verify this, let people report
4700          * other cases. */
4701
4702         if (!sid_check_is_builtin(&domain_sid)) {
4703                 DEBUG(1,("_samr_remove_sid_foreign_domain: domain_sid = %s, "
4704                          "global_sam_sid() = %s\n",
4705                          sid_string_static(&domain_sid),
4706                          sid_string_static(get_global_sam_sid())));
4707                 DEBUGADD(1,("please report to samba-technical@samba.org!\n"));
4708                 return NT_STATUS_OK;
4709         }
4710
4711         force_flush_samr_cache(disp_info);
4712
4713         result = NT_STATUS_OK;
4714
4715         return result;
4716 }
4717
4718 /*******************************************************************
4719  _samr_query_domain_info2
4720  ********************************************************************/
4721
4722 NTSTATUS _samr_query_domain_info2(pipes_struct *p,
4723                                   SAMR_Q_QUERY_DOMAIN_INFO2 *q_u,
4724                                   SAMR_R_QUERY_DOMAIN_INFO2 *r_u)
4725 {
4726         SAMR_Q_QUERY_DOMAIN_INFO q;
4727         SAMR_R_QUERY_DOMAIN_INFO r;
4728
4729         ZERO_STRUCT(q);
4730         ZERO_STRUCT(r);
4731
4732         DEBUG(5,("_samr_query_domain_info2: %d\n", __LINE__));
4733
4734         q.domain_pol = q_u->domain_pol;
4735         q.switch_value = q_u->switch_value;
4736
4737         r_u->status = _samr_query_domain_info(p, &q, &r);
4738
4739         r_u->ptr_0              = r.ptr_0;
4740         r_u->switch_value       = r.switch_value;
4741         r_u->ctr                = r.ctr;
4742
4743         return r_u->status;
4744 }
4745
4746 /*******************************************************************
4747  _samr_set_dom_info
4748  ********************************************************************/
4749
4750 NTSTATUS _samr_set_dom_info(pipes_struct *p, SAMR_Q_SET_DOMAIN_INFO *q_u, SAMR_R_SET_DOMAIN_INFO *r_u)
4751 {
4752         time_t u_expire, u_min_age;
4753         time_t u_logout;
4754         time_t u_lock_duration, u_reset_time;
4755
4756         r_u->status = NT_STATUS_OK;
4757
4758         DEBUG(5,("_samr_set_dom_info: %d\n", __LINE__));
4759
4760         /* find the policy handle.  open a policy on it. */
4761         if (!find_policy_by_hnd(p, &q_u->domain_pol, NULL))
4762                 return NT_STATUS_INVALID_HANDLE;
4763
4764         DEBUG(5,("_samr_set_dom_info: switch_value: %d\n", q_u->switch_value));
4765
4766         switch (q_u->switch_value) {
4767                 case 0x01:
4768                         u_expire=nt_time_to_unix_abs(&q_u->ctr->info.inf1.expire);
4769                         u_min_age=nt_time_to_unix_abs(&q_u->ctr->info.inf1.min_passwordage);
4770
4771                         pdb_set_account_policy(AP_MIN_PASSWORD_LEN, (uint32)q_u->ctr->info.inf1.min_length_password);
4772                         pdb_set_account_policy(AP_PASSWORD_HISTORY, (uint32)q_u->ctr->info.inf1.password_history);
4773                         pdb_set_account_policy(AP_USER_MUST_LOGON_TO_CHG_PASS, (uint32)q_u->ctr->info.inf1.password_properties);
4774                         pdb_set_account_policy(AP_MAX_PASSWORD_AGE, (int)u_expire);
4775                         pdb_set_account_policy(AP_MIN_PASSWORD_AGE, (int)u_min_age);
4776                         break;
4777                 case 0x02:
4778                         break;
4779                 case 0x03:
4780                         u_logout=nt_time_to_unix_abs(&q_u->ctr->info.inf3.logout);
4781                         pdb_set_account_policy(AP_TIME_TO_LOGOUT, (int)u_logout);
4782                         break;
4783                 case 0x05:
4784                         break;
4785                 case 0x06:
4786                         break;
4787                 case 0x07:
4788                         break;
4789                 case 0x0c:
4790                         u_lock_duration=nt_time_to_unix_abs(&q_u->ctr->info.inf12.duration);
4791                         if (u_lock_duration != -1)
4792                                 u_lock_duration /= 60;
4793
4794                         u_reset_time=nt_time_to_unix_abs(&q_u->ctr->info.inf12.reset_count)/60;
4795
4796                         pdb_set_account_policy(AP_LOCK_ACCOUNT_DURATION, (int)u_lock_duration);
4797                         pdb_set_account_policy(AP_RESET_COUNT_TIME, (int)u_reset_time);
4798                         pdb_set_account_policy(AP_BAD_ATTEMPT_LOCKOUT, (uint32)q_u->ctr->info.inf12.bad_attempt_lockout);
4799                         break;
4800                 default:
4801                         return NT_STATUS_INVALID_INFO_CLASS;
4802         }
4803
4804         init_samr_r_set_domain_info(r_u, NT_STATUS_OK);
4805
4806         DEBUG(5,("_samr_set_dom_info: %d\n", __LINE__));
4807
4808         return r_u->status;
4809 }