source/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(!make_samr_lookup_rids(p->mem_ctx, num_rids, names,
1654                                   &hdr_name, &uni_name))
1655                 return NT_STATUS_NO_MEMORY;
1656
1657         init_samr_r_lookup_rids(r_u, num_rids, hdr_name, uni_name, attrs);
1658
1659         DEBUG(5,("_samr_lookup_rids: %d\n", __LINE__));
1660
1661         return r_u->status;
1662 }
1663
1664 /*******************************************************************
1665  _samr_open_user. Safe - gives out no passwd info.
1666  ********************************************************************/
1667
1668 NTSTATUS _samr_open_user(pipes_struct *p, SAMR_Q_OPEN_USER *q_u, SAMR_R_OPEN_USER *r_u)
1669 {
1670         struct samu *sampass=NULL;
1671         DOM_SID sid;
1672         POLICY_HND domain_pol = q_u->domain_pol;
1673         POLICY_HND *user_pol = &r_u->user_pol;
1674         struct samr_info *info = NULL;
1675         SEC_DESC *psd = NULL;
1676         uint32    acc_granted;
1677         uint32    des_access = q_u->access_mask;
1678         size_t    sd_size;
1679         BOOL ret;
1680         NTSTATUS nt_status;
1681         SE_PRIV se_rights;
1682
1683         r_u->status = NT_STATUS_OK;
1684
1685         /* find the domain policy handle and get domain SID / access bits in the domain policy. */
1686
1687         if ( !get_lsa_policy_samr_sid(p, &domain_pol, &sid, &acc_granted, NULL) )
1688                 return NT_STATUS_INVALID_HANDLE;
1689
1690         nt_status = access_check_samr_function( acc_granted,
1691                 SA_RIGHT_DOMAIN_OPEN_ACCOUNT, "_samr_open_user" );
1692
1693         if ( !NT_STATUS_IS_OK(nt_status) )
1694                 return nt_status;
1695
1696         if ( !(sampass = samu_new( p->mem_ctx )) ) {
1697                 return NT_STATUS_NO_MEMORY;
1698         }
1699
1700         /* append the user's RID to it */
1701
1702         if (!sid_append_rid(&sid, q_u->user_rid))
1703                 return NT_STATUS_NO_SUCH_USER;
1704
1705         /* check if access can be granted as requested by client. */
1706
1707         make_samr_object_sd(p->mem_ctx, &psd, &sd_size, &usr_generic_mapping, &sid, SAMR_USR_RIGHTS_WRITE_PW);
1708         se_map_generic(&des_access, &usr_generic_mapping);
1709
1710         se_priv_copy( &se_rights, &se_machine_account );
1711         se_priv_add( &se_rights, &se_add_users );
1712
1713         nt_status = access_check_samr_object(psd, p->pipe_user.nt_user_token,
1714                 &se_rights, GENERIC_RIGHTS_USER_WRITE, des_access,
1715                 &acc_granted, "_samr_open_user");
1716
1717         if ( !NT_STATUS_IS_OK(nt_status) )
1718                 return nt_status;
1719
1720         become_root();
1721         ret=pdb_getsampwsid(sampass, &sid);
1722         unbecome_root();
1723
1724         /* check that the SID exists in our domain. */
1725         if (ret == False) {
1726                 return NT_STATUS_NO_SUCH_USER;
1727         }
1728
1729         TALLOC_FREE(sampass);
1730
1731         /* associate the user's SID and access bits with the new handle. */
1732         if ((info = get_samr_info_by_sid(&sid)) == NULL)
1733                 return NT_STATUS_NO_MEMORY;
1734         info->acc_granted = acc_granted;
1735
1736         /* get a (unique) handle.  open a policy on it. */
1737         if (!create_policy_hnd(p, user_pol, free_samr_info, (void *)info))
1738                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
1739
1740         return r_u->status;
1741 }
1742
1743 /*************************************************************************
1744  get_user_info_7. Safe. Only gives out account_name.
1745  *************************************************************************/
1746
1747 static NTSTATUS get_user_info_7(TALLOC_CTX *mem_ctx, SAM_USER_INFO_7 *id7, DOM_SID *user_sid)
1748 {
1749         struct samu *smbpass=NULL;
1750         BOOL ret;
1751
1752         if ( !(smbpass = samu_new( mem_ctx )) ) {
1753                 return NT_STATUS_NO_MEMORY;
1754         }
1755
1756         become_root();
1757         ret = pdb_getsampwsid(smbpass, user_sid);
1758         unbecome_root();
1759
1760         if ( !ret ) {
1761                 DEBUG(4,("User %s not found\n", sid_string_static(user_sid)));
1762                 return NT_STATUS_NO_SUCH_USER;
1763         }
1764
1765         DEBUG(3,("User:[%s]\n", pdb_get_username(smbpass) ));
1766
1767         ZERO_STRUCTP(id7);
1768         init_sam_user_info7(id7, pdb_get_username(smbpass) );
1769
1770         TALLOC_FREE(smbpass);
1771
1772         return NT_STATUS_OK;
1773 }
1774
1775 /*************************************************************************
1776  get_user_info_9. Only gives out primary group SID.
1777  *************************************************************************/
1778 static NTSTATUS get_user_info_9(TALLOC_CTX *mem_ctx, SAM_USER_INFO_9 * id9, DOM_SID *user_sid)
1779 {
1780         struct samu *smbpass=NULL;
1781         BOOL ret;
1782
1783         if ( !(smbpass = samu_new( mem_ctx )) ) {
1784                 return NT_STATUS_NO_MEMORY;
1785         }
1786
1787         become_root();
1788         ret = pdb_getsampwsid(smbpass, user_sid);
1789         unbecome_root();
1790
1791         if (ret==False) {
1792                 DEBUG(4,("User %s not found\n", sid_string_static(user_sid)));
1793                 return NT_STATUS_NO_SUCH_USER;
1794         }
1795
1796         DEBUG(3,("User:[%s]\n", pdb_get_username(smbpass) ));
1797
1798         ZERO_STRUCTP(id9);
1799         init_sam_user_info9(id9, pdb_get_group_rid(smbpass) );
1800
1801         TALLOC_FREE(smbpass);
1802
1803         return NT_STATUS_OK;
1804 }
1805
1806 /*************************************************************************
1807  get_user_info_16. Safe. Only gives out acb bits.
1808  *************************************************************************/
1809
1810 static NTSTATUS get_user_info_16(TALLOC_CTX *mem_ctx, SAM_USER_INFO_16 *id16, DOM_SID *user_sid)
1811 {
1812         struct samu *smbpass=NULL;
1813         BOOL ret;
1814
1815         if ( !(smbpass = samu_new( mem_ctx )) ) {
1816                 return NT_STATUS_NO_MEMORY;
1817         }
1818
1819         become_root();
1820         ret = pdb_getsampwsid(smbpass, user_sid);
1821         unbecome_root();
1822
1823         if (ret==False) {
1824                 DEBUG(4,("User %s not found\n", sid_string_static(user_sid)));
1825                 return NT_STATUS_NO_SUCH_USER;
1826         }
1827
1828         DEBUG(3,("User:[%s]\n", pdb_get_username(smbpass) ));
1829
1830         ZERO_STRUCTP(id16);
1831         init_sam_user_info16(id16, pdb_get_acct_ctrl(smbpass) );
1832
1833         TALLOC_FREE(smbpass);
1834
1835         return NT_STATUS_OK;
1836 }
1837
1838 /*************************************************************************
1839  get_user_info_18. OK - this is the killer as it gives out password info.
1840  Ensure that this is only allowed on an encrypted connection with a root
1841  user. JRA.
1842  *************************************************************************/
1843
1844 static NTSTATUS get_user_info_18(pipes_struct *p, TALLOC_CTX *mem_ctx, SAM_USER_INFO_18 * id18, DOM_SID *user_sid)
1845 {
1846         struct samu *smbpass=NULL;
1847         BOOL ret;
1848
1849         if (p->auth.auth_type != PIPE_AUTH_TYPE_NTLMSSP || p->auth.auth_type != PIPE_AUTH_TYPE_SPNEGO_NTLMSSP) {
1850                 return NT_STATUS_ACCESS_DENIED;
1851         }
1852
1853         if (p->auth.auth_level != PIPE_AUTH_LEVEL_PRIVACY) {
1854                 return NT_STATUS_ACCESS_DENIED;
1855         }
1856
1857         /*
1858          * Do *NOT* do become_root()/unbecome_root() here ! JRA.
1859          */
1860
1861         if ( !(smbpass = samu_new( mem_ctx )) ) {
1862                 return NT_STATUS_NO_MEMORY;
1863         }
1864
1865         ret = pdb_getsampwsid(smbpass, user_sid);
1866
1867         if (ret == False) {
1868                 DEBUG(4, ("User %s not found\n", sid_string_static(user_sid)));
1869                 TALLOC_FREE(smbpass);
1870                 return (geteuid() == (uid_t)0) ? NT_STATUS_NO_SUCH_USER : NT_STATUS_ACCESS_DENIED;
1871         }
1872
1873         DEBUG(3,("User:[%s] 0x%x\n", pdb_get_username(smbpass), pdb_get_acct_ctrl(smbpass) ));
1874
1875         if ( pdb_get_acct_ctrl(smbpass) & ACB_DISABLED) {
1876                 TALLOC_FREE(smbpass);
1877                 return NT_STATUS_ACCOUNT_DISABLED;
1878         }
1879
1880         ZERO_STRUCTP(id18);
1881         init_sam_user_info18(id18, pdb_get_lanman_passwd(smbpass), pdb_get_nt_passwd(smbpass));
1882
1883         TALLOC_FREE(smbpass);
1884
1885         return NT_STATUS_OK;
1886 }
1887
1888 /*************************************************************************
1889  get_user_info_20
1890  *************************************************************************/
1891
1892 static NTSTATUS get_user_info_20(TALLOC_CTX *mem_ctx, SAM_USER_INFO_20 *id20, DOM_SID *user_sid)
1893 {
1894         struct samu *sampass=NULL;
1895         BOOL ret;
1896
1897         if ( !(sampass = samu_new( mem_ctx )) ) {
1898                 return NT_STATUS_NO_MEMORY;
1899         }
1900
1901         become_root();
1902         ret = pdb_getsampwsid(sampass, user_sid);
1903         unbecome_root();
1904
1905         if (ret == False) {
1906                 DEBUG(4,("User %s not found\n", sid_string_static(user_sid)));
1907                 return NT_STATUS_NO_SUCH_USER;
1908         }
1909
1910         samr_clear_sam_passwd(sampass);
1911
1912         DEBUG(3,("User:[%s]\n",  pdb_get_username(sampass) ));
1913
1914         ZERO_STRUCTP(id20);
1915         init_sam_user_info20A(id20, sampass);
1916
1917         TALLOC_FREE(sampass);
1918
1919         return NT_STATUS_OK;
1920 }
1921
1922 /*************************************************************************
1923  get_user_info_21
1924  *************************************************************************/
1925
1926 static NTSTATUS get_user_info_21(TALLOC_CTX *mem_ctx, SAM_USER_INFO_21 *id21,
1927                                  DOM_SID *user_sid, DOM_SID *domain_sid)
1928 {
1929         struct samu *sampass=NULL;
1930         BOOL ret;
1931         NTSTATUS nt_status;
1932
1933         if ( !(sampass = samu_new( mem_ctx )) ) {
1934                 return NT_STATUS_NO_MEMORY;
1935         }
1936
1937         become_root();
1938         ret = pdb_getsampwsid(sampass, user_sid);
1939         unbecome_root();
1940
1941         if (ret == False) {
1942                 DEBUG(4,("User %s not found\n", sid_string_static(user_sid)));
1943                 return NT_STATUS_NO_SUCH_USER;
1944         }
1945
1946         samr_clear_sam_passwd(sampass);
1947
1948         DEBUG(3,("User:[%s]\n",  pdb_get_username(sampass) ));
1949
1950         ZERO_STRUCTP(id21);
1951         nt_status = init_sam_user_info21A(id21, sampass, domain_sid);
1952
1953         TALLOC_FREE(sampass);
1954
1955         return NT_STATUS_OK;
1956 }
1957
1958 /*******************************************************************
1959  _samr_query_userinfo
1960  ********************************************************************/
1961
1962 NTSTATUS _samr_query_userinfo(pipes_struct *p, SAMR_Q_QUERY_USERINFO *q_u, SAMR_R_QUERY_USERINFO *r_u)
1963 {
1964         SAM_USERINFO_CTR *ctr;
1965         struct samr_info *info = NULL;
1966         DOM_SID domain_sid;
1967         uint32 rid;
1968
1969         r_u->status=NT_STATUS_OK;
1970
1971         /* search for the handle */
1972         if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&info))
1973                 return NT_STATUS_INVALID_HANDLE;
1974
1975         domain_sid = info->sid;
1976
1977         sid_split_rid(&domain_sid, &rid);
1978
1979         if (!sid_check_is_in_our_domain(&info->sid))
1980                 return NT_STATUS_OBJECT_TYPE_MISMATCH;
1981
1982         DEBUG(5,("_samr_query_userinfo: sid:%s\n", sid_string_static(&info->sid)));
1983
1984         ctr = TALLOC_ZERO_P(p->mem_ctx, SAM_USERINFO_CTR);
1985         if (!ctr)
1986                 return NT_STATUS_NO_MEMORY;
1987
1988         ZERO_STRUCTP(ctr);
1989
1990         /* ok!  user info levels (lots: see MSDEV help), off we go... */
1991         ctr->switch_value = q_u->switch_value;
1992
1993         DEBUG(5,("_samr_query_userinfo: user info level: %d\n", q_u->switch_value));
1994
1995         switch (q_u->switch_value) {
1996         case 7:
1997                 ctr->info.id7 = TALLOC_ZERO_P(p->mem_ctx, SAM_USER_INFO_7);
1998                 if (ctr->info.id7 == NULL)
1999                         return NT_STATUS_NO_MEMORY;
2000
2001                 if (!NT_STATUS_IS_OK(r_u->status = get_user_info_7(p->mem_ctx, ctr->info.id7, &info->sid)))
2002                         return r_u->status;
2003                 break;
2004         case 9:
2005                 ctr->info.id9 = TALLOC_ZERO_P(p->mem_ctx, SAM_USER_INFO_9);
2006                 if (ctr->info.id9 == NULL)
2007                         return NT_STATUS_NO_MEMORY;
2008
2009                 if (!NT_STATUS_IS_OK(r_u->status = get_user_info_9(p->mem_ctx, ctr->info.id9, &info->sid)))
2010                         return r_u->status;
2011                 break;
2012         case 16:
2013                 ctr->info.id16 = TALLOC_ZERO_P(p->mem_ctx, SAM_USER_INFO_16);
2014                 if (ctr->info.id16 == NULL)
2015                         return NT_STATUS_NO_MEMORY;
2016
2017                 if (!NT_STATUS_IS_OK(r_u->status = get_user_info_16(p->mem_ctx, ctr->info.id16, &info->sid)))
2018                         return r_u->status;
2019                 break;
2020
2021         case 18:
2022                 ctr->info.id18 = TALLOC_ZERO_P(p->mem_ctx, SAM_USER_INFO_18);
2023                 if (ctr->info.id18 == NULL)
2024                         return NT_STATUS_NO_MEMORY;
2025
2026                 if (!NT_STATUS_IS_OK(r_u->status = get_user_info_18(p, p->mem_ctx, ctr->info.id18, &info->sid)))
2027                         return r_u->status;
2028                 break;
2029
2030         case 20:
2031                 ctr->info.id20 = TALLOC_ZERO_P(p->mem_ctx,SAM_USER_INFO_20);
2032                 if (ctr->info.id20 == NULL)
2033                         return NT_STATUS_NO_MEMORY;
2034                 if (!NT_STATUS_IS_OK(r_u->status = get_user_info_20(p->mem_ctx, ctr->info.id20, &info->sid)))
2035                         return r_u->status;
2036                 break;
2037
2038         case 21:
2039                 ctr->info.id21 = TALLOC_ZERO_P(p->mem_ctx,SAM_USER_INFO_21);
2040                 if (ctr->info.id21 == NULL)
2041                         return NT_STATUS_NO_MEMORY;
2042                 if (!NT_STATUS_IS_OK(r_u->status = get_user_info_21(p->mem_ctx, ctr->info.id21,
2043                                                                     &info->sid, &domain_sid)))
2044                         return r_u->status;
2045                 break;
2046
2047         default:
2048                 return NT_STATUS_INVALID_INFO_CLASS;
2049         }
2050
2051         init_samr_r_query_userinfo(r_u, ctr, r_u->status);
2052
2053         DEBUG(5,("_samr_query_userinfo: %d\n", __LINE__));
2054
2055         return r_u->status;
2056 }
2057
2058 /*******************************************************************
2059  samr_reply_query_usergroups
2060  ********************************************************************/
2061
2062 NTSTATUS _samr_query_usergroups(pipes_struct *p, SAMR_Q_QUERY_USERGROUPS *q_u, SAMR_R_QUERY_USERGROUPS *r_u)
2063 {
2064         struct samu *sam_pass=NULL;
2065         DOM_SID  sid;
2066         DOM_SID *sids;
2067         DOM_GID dom_gid;
2068         DOM_GID *gids = NULL;
2069         uint32 primary_group_rid;
2070         size_t num_groups = 0;
2071         gid_t *unix_gids;
2072         size_t i, num_gids;
2073         uint32 acc_granted;
2074         BOOL ret;
2075         NTSTATUS result;
2076
2077         /*
2078          * from the SID in the request:
2079          * we should send back the list of DOMAIN GROUPS
2080          * the user is a member of
2081          *
2082          * and only the DOMAIN GROUPS
2083          * no ALIASES !!! neither aliases of the domain
2084          * nor aliases of the builtin SID
2085          *
2086          * JFM, 12/2/2001
2087          */
2088
2089         r_u->status = NT_STATUS_OK;
2090
2091         DEBUG(5,("_samr_query_usergroups: %d\n", __LINE__));
2092
2093         /* find the policy handle.  open a policy on it. */
2094         if (!get_lsa_policy_samr_sid(p, &q_u->pol, &sid, &acc_granted, NULL))
2095                 return NT_STATUS_INVALID_HANDLE;
2096
2097         if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, SA_RIGHT_USER_GET_GROUPS, "_samr_query_usergroups"))) {
2098                 return r_u->status;
2099         }
2100
2101         if (!sid_check_is_in_our_domain(&sid))
2102                 return NT_STATUS_OBJECT_TYPE_MISMATCH;
2103
2104         if ( !(sam_pass = samu_new( p->mem_ctx )) ) {
2105                 return NT_STATUS_NO_MEMORY;
2106         }
2107
2108         become_root();
2109         ret = pdb_getsampwsid(sam_pass, &sid);
2110         unbecome_root();
2111
2112         if (!ret) {
2113                 DEBUG(10, ("pdb_getsampwsid failed for %s\n",
2114                            sid_string_static(&sid)));
2115                 return NT_STATUS_NO_SUCH_USER;
2116         }
2117
2118         sids = NULL;
2119
2120         become_root();
2121         result = pdb_enum_group_memberships(p->mem_ctx, sam_pass,
2122                                             &sids, &unix_gids, &num_groups);
2123         unbecome_root();
2124
2125         if (!NT_STATUS_IS_OK(result)) {
2126                 DEBUG(10, ("pdb_enum_group_memberships failed for %s\n",
2127                            sid_string_static(&sid)));
2128                 return result;
2129         }
2130
2131         gids = NULL;
2132         num_gids = 0;
2133
2134         dom_gid.attr = (SE_GROUP_MANDATORY|SE_GROUP_ENABLED_BY_DEFAULT|
2135                         SE_GROUP_ENABLED);
2136
2137         if (!sid_peek_check_rid(get_global_sam_sid(),
2138                                 pdb_get_group_sid(sam_pass),
2139                                 &primary_group_rid)) {
2140                 DEBUG(5, ("Group sid %s for user %s not in our domain\n",
2141                           sid_string_static(pdb_get_group_sid(sam_pass)),
2142                           pdb_get_username(sam_pass)));
2143                 TALLOC_FREE(sam_pass);
2144                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
2145         }
2146
2147         dom_gid.g_rid = primary_group_rid;
2148
2149         ADD_TO_ARRAY(p->mem_ctx, DOM_GID, dom_gid, &gids, &num_gids);
2150
2151         for (i=0; i<num_groups; i++) {
2152
2153                 if (!sid_peek_check_rid(get_global_sam_sid(),
2154                                         &(sids[i]), &dom_gid.g_rid)) {
2155                         DEBUG(10, ("Found sid %s not in our domain\n",
2156                                    sid_string_static(&sids[i])));
2157                         continue;
2158                 }
2159
2160                 if (dom_gid.g_rid == primary_group_rid) {
2161                         /* We added the primary group directly from the
2162                          * sam_account. The other SIDs are unique from
2163                          * enum_group_memberships */
2164                         continue;
2165                 }
2166
2167                 ADD_TO_ARRAY(p->mem_ctx, DOM_GID, dom_gid, &gids, &num_gids);
2168         }
2169
2170         /* construct the response.  lkclXXXX: gids are not copied! */
2171         init_samr_r_query_usergroups(r_u, num_gids, gids, r_u->status);
2172
2173         DEBUG(5,("_samr_query_usergroups: %d\n", __LINE__));
2174
2175         return r_u->status;
2176 }
2177
2178 /*******************************************************************
2179  _samr_query_dom_info
2180  ********************************************************************/
2181
2182 NTSTATUS _samr_query_dom_info(pipes_struct *p, SAMR_Q_QUERY_DOMAIN_INFO *q_u, SAMR_R_QUERY_DOMAIN_INFO *r_u)
2183 {
2184         struct samr_info *info = NULL;
2185         SAM_UNK_CTR *ctr;
2186         uint32 min_pass_len,pass_hist,password_properties;
2187         time_t u_expire, u_min_age;
2188         NTTIME nt_expire, nt_min_age;
2189
2190         time_t u_lock_duration, u_reset_time;
2191         NTTIME nt_lock_duration, nt_reset_time;
2192         uint32 lockout;
2193         time_t u_logout;
2194         NTTIME nt_logout;
2195
2196         uint32 account_policy_temp;
2197
2198         time_t seq_num;
2199         uint32 server_role;
2200
2201         uint32 num_users=0, num_groups=0, num_aliases=0;
2202
2203         if ((ctr = TALLOC_ZERO_P(p->mem_ctx, SAM_UNK_CTR)) == NULL) {
2204                 return NT_STATUS_NO_MEMORY;
2205         }
2206
2207         ZERO_STRUCTP(ctr);
2208
2209         r_u->status = NT_STATUS_OK;
2210
2211         DEBUG(5,("_samr_query_dom_info: %d\n", __LINE__));
2212
2213         /* find the policy handle.  open a policy on it. */
2214         if (!find_policy_by_hnd(p, &q_u->domain_pol, (void **)(void *)&info)) {
2215                 return NT_STATUS_INVALID_HANDLE;
2216         }
2217
2218         switch (q_u->switch_value) {
2219                 case 0x01:
2220
2221                         become_root();
2222
2223                         /* AS ROOT !!! */
2224
2225                         pdb_get_account_policy(AP_MIN_PASSWORD_LEN, &account_policy_temp);
2226                         min_pass_len = account_policy_temp;
2227
2228                         pdb_get_account_policy(AP_PASSWORD_HISTORY, &account_policy_temp);
2229                         pass_hist = account_policy_temp;
2230
2231                         pdb_get_account_policy(AP_USER_MUST_LOGON_TO_CHG_PASS, &account_policy_temp);
2232                         password_properties = account_policy_temp;
2233
2234                         pdb_get_account_policy(AP_MAX_PASSWORD_AGE, &account_policy_temp);
2235                         u_expire = account_policy_temp;
2236
2237                         pdb_get_account_policy(AP_MIN_PASSWORD_AGE, &account_policy_temp);
2238                         u_min_age = account_policy_temp;
2239
2240                         /* !AS ROOT */
2241
2242                         unbecome_root();
2243
2244                         unix_to_nt_time_abs(&nt_expire, u_expire);
2245                         unix_to_nt_time_abs(&nt_min_age, u_min_age);
2246
2247                         init_unk_info1(&ctr->info.inf1, (uint16)min_pass_len, (uint16)pass_hist,
2248                                        password_properties, nt_expire, nt_min_age);
2249                         break;
2250                 case 0x02:
2251
2252                         become_root();
2253
2254                         /* AS ROOT !!! */
2255
2256                         num_users = count_sam_users(info->disp_info, ACB_NORMAL);
2257                         num_groups = count_sam_groups(info->disp_info);
2258                         num_aliases = count_sam_aliases(info->disp_info);
2259
2260                         pdb_get_account_policy(AP_TIME_TO_LOGOUT, &account_policy_temp);
2261                         u_logout = account_policy_temp;
2262
2263                         unix_to_nt_time_abs(&nt_logout, u_logout);
2264
2265                         if (!pdb_get_seq_num(&seq_num))
2266                                 seq_num = time(NULL);
2267
2268                         /* !AS ROOT */
2269
2270                         unbecome_root();
2271
2272                         server_role = ROLE_DOMAIN_PDC;
2273                         if (lp_server_role() == ROLE_DOMAIN_BDC)
2274                                 server_role = ROLE_DOMAIN_BDC;
2275
2276                         init_unk_info2(&ctr->info.inf2, lp_serverstring(), lp_workgroup(), global_myname(), seq_num,
2277                                        num_users, num_groups, num_aliases, nt_logout, server_role);
2278                         break;
2279                 case 0x03:
2280
2281                         become_root();
2282
2283                         /* AS ROOT !!! */
2284
2285                         {
2286                                 uint32 ul;
2287                                 pdb_get_account_policy(AP_TIME_TO_LOGOUT, &ul);
2288                                 u_logout = (time_t)ul;
2289                         }
2290
2291                         /* !AS ROOT */
2292
2293                         unbecome_root();
2294
2295                         unix_to_nt_time_abs(&nt_logout, u_logout);
2296
2297                         init_unk_info3(&ctr->info.inf3, nt_logout);
2298                         break;
2299                 case 0x05:
2300                         init_unk_info5(&ctr->info.inf5, global_myname());
2301                         break;
2302                 case 0x06:
2303                         init_unk_info6(&ctr->info.inf6);
2304                         break;
2305                 case 0x07:
2306                         server_role = ROLE_DOMAIN_PDC;
2307                         if (lp_server_role() == ROLE_DOMAIN_BDC)
2308                                 server_role = ROLE_DOMAIN_BDC;
2309
2310                         init_unk_info7(&ctr->info.inf7, server_role);
2311                         break;
2312                 case 0x08:
2313
2314                         become_root();
2315
2316                         /* AS ROOT !!! */
2317
2318                         if (!pdb_get_seq_num(&seq_num)) {
2319                                 seq_num = time(NULL);
2320                         }
2321
2322                         /* !AS ROOT */
2323
2324                         unbecome_root();
2325
2326                         init_unk_info8(&ctr->info.inf8, (uint32) seq_num);
2327                         break;
2328                 case 0x0c:
2329
2330                         become_root();
2331
2332                         /* AS ROOT !!! */
2333
2334                         pdb_get_account_policy(AP_LOCK_ACCOUNT_DURATION, &account_policy_temp);
2335                         u_lock_duration = account_policy_temp;
2336                         if (u_lock_duration != -1) {
2337                                 u_lock_duration *= 60;
2338                         }
2339
2340                         pdb_get_account_policy(AP_RESET_COUNT_TIME, &account_policy_temp);
2341                         u_reset_time = account_policy_temp * 60;
2342
2343                         pdb_get_account_policy(AP_BAD_ATTEMPT_LOCKOUT, &account_policy_temp);
2344                         lockout = account_policy_temp;
2345
2346                         /* !AS ROOT */
2347
2348                         unbecome_root();
2349
2350                         unix_to_nt_time_abs(&nt_lock_duration, u_lock_duration);
2351                         unix_to_nt_time_abs(&nt_reset_time, u_reset_time);
2352
2353                         init_unk_info12(&ctr->info.inf12, nt_lock_duration, nt_reset_time, (uint16)lockout);
2354                         break;
2355                 default:
2356                         return NT_STATUS_INVALID_INFO_CLASS;
2357                 }
2358
2359
2360         init_samr_r_query_dom_info(r_u, q_u->switch_value, ctr, NT_STATUS_OK);
2361
2362         DEBUG(5,("_samr_query_dom_info: %d\n", __LINE__));
2363
2364         return r_u->status;
2365 }
2366
2367 /* W2k3 seems to use the same check for all 3 objects that can be created via
2368  * SAMR, if you try to create for example "Dialup" as an alias it says
2369  * "NT_STATUS_USER_EXISTS". This is racy, but we can't really lock the user
2370  * database. */
2371
2372 static NTSTATUS can_create(TALLOC_CTX *mem_ctx, const char *new_name)
2373 {
2374         enum SID_NAME_USE type;
2375         BOOL result;
2376
2377         DEBUG(10, ("Checking whether [%s] can be created\n", new_name));
2378
2379         become_root();
2380         /* Lookup in our local databases (only LOOKUP_NAME_ISOLATED set)
2381          * whether the name already exists */
2382         result = lookup_name(mem_ctx, new_name, LOOKUP_NAME_ISOLATED,
2383                              NULL, NULL, NULL, &type);
2384         unbecome_root();
2385
2386         if (!result) {
2387                 DEBUG(10, ("%s does not exist, can create it\n", new_name));
2388                 return NT_STATUS_OK;
2389         }
2390
2391         DEBUG(5, ("trying to create %s, exists as %s\n",
2392                   new_name, sid_type_lookup(type)));
2393
2394         if (type == SID_NAME_DOM_GRP) {
2395                 return NT_STATUS_GROUP_EXISTS;
2396         }
2397         if (type == SID_NAME_ALIAS) {
2398                 return NT_STATUS_ALIAS_EXISTS;
2399         }
2400
2401         /* Yes, the default is NT_STATUS_USER_EXISTS */
2402         return NT_STATUS_USER_EXISTS;
2403 }
2404
2405 /*******************************************************************
2406  _samr_create_user
2407  Create an account, can be either a normal user or a machine.
2408  This funcion will need to be updated for bdc/domain trusts.
2409  ********************************************************************/
2410
2411 NTSTATUS _samr_create_user(pipes_struct *p, SAMR_Q_CREATE_USER *q_u,
2412                            SAMR_R_CREATE_USER *r_u)
2413 {
2414         char *account;
2415         DOM_SID sid;
2416         POLICY_HND dom_pol = q_u->domain_pol;
2417         uint16 acb_info = q_u->acb_info;
2418         POLICY_HND *user_pol = &r_u->user_pol;
2419         struct samr_info *info = NULL;
2420         NTSTATUS nt_status;
2421         uint32 acc_granted;
2422         SEC_DESC *psd;
2423         size_t    sd_size;
2424         /* check this, when giving away 'add computer to domain' privs */
2425         uint32    des_access = GENERIC_RIGHTS_USER_ALL_ACCESS;
2426         BOOL can_add_account = False;
2427         SE_PRIV se_rights;
2428         DISP_INFO *disp_info = NULL;
2429
2430         /* Get the domain SID stored in the domain policy */
2431         if (!get_lsa_policy_samr_sid(p, &dom_pol, &sid, &acc_granted,
2432                                      &disp_info))
2433                 return NT_STATUS_INVALID_HANDLE;
2434
2435         nt_status = access_check_samr_function(acc_granted,
2436                                                SA_RIGHT_DOMAIN_CREATE_USER,
2437                                                "_samr_create_user");
2438         if (!NT_STATUS_IS_OK(nt_status)) {
2439                 return nt_status;
2440         }
2441
2442         if (!(acb_info == ACB_NORMAL || acb_info == ACB_DOMTRUST ||
2443               acb_info == ACB_WSTRUST || acb_info == ACB_SVRTRUST)) {
2444                 /* Match Win2k, and return NT_STATUS_INVALID_PARAMETER if
2445                    this parameter is not an account type */
2446                 return NT_STATUS_INVALID_PARAMETER;
2447         }
2448
2449         account = rpcstr_pull_unistr2_talloc(p->mem_ctx, &q_u->uni_name);
2450         if (account == NULL) {
2451                 return NT_STATUS_NO_MEMORY;
2452         }
2453
2454         nt_status = can_create(p->mem_ctx, account);
2455         if (!NT_STATUS_IS_OK(nt_status)) {
2456                 return nt_status;
2457         }
2458
2459         /* determine which user right we need to check based on the acb_info */
2460
2461         if ( acb_info & ACB_WSTRUST )
2462         {
2463                 se_priv_copy( &se_rights, &se_machine_account );
2464                 can_add_account = user_has_privileges(
2465                         p->pipe_user.nt_user_token, &se_rights );
2466         }
2467         /* usrmgr.exe (and net rpc trustdom grant) creates a normal user
2468            account for domain trusts and changes the ACB flags later */
2469         else if ( acb_info & ACB_NORMAL &&
2470                   (account[strlen(account)-1] != '$') )
2471         {
2472                 se_priv_copy( &se_rights, &se_add_users );
2473                 can_add_account = user_has_privileges(
2474                         p->pipe_user.nt_user_token, &se_rights );
2475         }
2476         else    /* implicit assumption of a BDC or domain trust account here
2477                  * (we already check the flags earlier) */
2478         {
2479                 if ( lp_enable_privileges() ) {
2480                         /* only Domain Admins can add a BDC or domain trust */
2481                         se_priv_copy( &se_rights, &se_priv_none );
2482                         can_add_account = nt_token_check_domain_rid(
2483                                 p->pipe_user.nt_user_token,
2484                                 DOMAIN_GROUP_RID_ADMINS );
2485                 }
2486         }
2487
2488         DEBUG(5, ("_samr_create_user: %s can add this account : %s\n",
2489                 p->pipe_user_name, can_add_account ? "True":"False" ));
2490
2491         /********** BEGIN Admin BLOCK **********/
2492
2493         if ( can_add_account )
2494                 become_root();
2495
2496         nt_status = pdb_create_user(p->mem_ctx, account, acb_info,
2497                                     &r_u->user_rid);
2498
2499         if ( can_add_account )
2500                 unbecome_root();
2501
2502         /********** END Admin BLOCK **********/
2503
2504         /* now check for failure */
2505
2506         if ( !NT_STATUS_IS_OK(nt_status) )
2507                 return nt_status;
2508
2509         /* Get the user's SID */
2510
2511         sid_compose(&sid, get_global_sam_sid(), r_u->user_rid);
2512
2513         make_samr_object_sd(p->mem_ctx, &psd, &sd_size, &usr_generic_mapping,
2514                             &sid, SAMR_USR_RIGHTS_WRITE_PW);
2515         se_map_generic(&des_access, &usr_generic_mapping);
2516
2517         nt_status = access_check_samr_object(psd, p->pipe_user.nt_user_token,
2518                 &se_rights, GENERIC_RIGHTS_USER_WRITE, des_access,
2519                 &acc_granted, "_samr_create_user");
2520
2521         if ( !NT_STATUS_IS_OK(nt_status) ) {
2522                 return nt_status;
2523         }
2524
2525         /* associate the user's SID with the new handle. */
2526         if ((info = get_samr_info_by_sid(&sid)) == NULL) {
2527                 return NT_STATUS_NO_MEMORY;
2528         }
2529
2530         ZERO_STRUCTP(info);
2531         info->sid = sid;
2532         info->acc_granted = acc_granted;
2533
2534         /* get a (unique) handle.  open a policy on it. */
2535         if (!create_policy_hnd(p, user_pol, free_samr_info, (void *)info)) {
2536                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
2537         }
2538
2539         /* After a "set" ensure we have no cached display info. */
2540         force_flush_samr_cache(info->disp_info);
2541
2542         r_u->access_granted = acc_granted;
2543
2544         return NT_STATUS_OK;
2545 }
2546
2547 /*******************************************************************
2548  samr_reply_connect_anon
2549  ********************************************************************/
2550
2551 NTSTATUS _samr_connect_anon(pipes_struct *p, SAMR_Q_CONNECT_ANON *q_u, SAMR_R_CONNECT_ANON *r_u)
2552 {
2553         struct samr_info *info = NULL;
2554         uint32    des_access = q_u->access_mask;
2555
2556         /* Access check */
2557
2558         if (!pipe_access_check(p)) {
2559                 DEBUG(3, ("access denied to samr_connect_anon\n"));
2560                 r_u->status = NT_STATUS_ACCESS_DENIED;
2561                 return r_u->status;
2562         }
2563
2564         /* set up the SAMR connect_anon response */
2565
2566         r_u->status = NT_STATUS_OK;
2567
2568         /* associate the user's SID with the new handle. */
2569         if ((info = get_samr_info_by_sid(NULL)) == NULL)
2570                 return NT_STATUS_NO_MEMORY;
2571
2572         /* don't give away the farm but this is probably ok.  The SA_RIGHT_SAM_ENUM_DOMAINS
2573            was observed from a win98 client trying to enumerate users (when configured
2574            user level access control on shares)   --jerry */
2575
2576         if (des_access == MAXIMUM_ALLOWED_ACCESS) {
2577                 /* Map to max possible knowing we're filtered below. */
2578                 des_access = GENERIC_ALL_ACCESS;
2579         }
2580
2581         se_map_generic( &des_access, &sam_generic_mapping );
2582         info->acc_granted = des_access & (SA_RIGHT_SAM_ENUM_DOMAINS|SA_RIGHT_SAM_OPEN_DOMAIN);
2583
2584         info->status = q_u->unknown_0;
2585
2586         /* get a (unique) handle.  open a policy on it. */
2587         if (!create_policy_hnd(p, &r_u->connect_pol, free_samr_info, (void *)info))
2588                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
2589
2590         return r_u->status;
2591 }
2592
2593 /*******************************************************************
2594  samr_reply_connect
2595  ********************************************************************/
2596
2597 NTSTATUS _samr_connect(pipes_struct *p, SAMR_Q_CONNECT *q_u, SAMR_R_CONNECT *r_u)
2598 {
2599         struct samr_info *info = NULL;
2600         SEC_DESC *psd = NULL;
2601         uint32    acc_granted;
2602         uint32    des_access = q_u->access_mask;
2603         NTSTATUS  nt_status;
2604         size_t    sd_size;
2605
2606
2607         DEBUG(5,("_samr_connect: %d\n", __LINE__));
2608
2609         /* Access check */
2610
2611         if (!pipe_access_check(p)) {
2612                 DEBUG(3, ("access denied to samr_connect\n"));
2613                 r_u->status = NT_STATUS_ACCESS_DENIED;
2614                 return r_u->status;
2615         }
2616
2617         make_samr_object_sd(p->mem_ctx, &psd, &sd_size, &sam_generic_mapping, NULL, 0);
2618         se_map_generic(&des_access, &sam_generic_mapping);
2619
2620         nt_status = access_check_samr_object(psd, p->pipe_user.nt_user_token,
2621                 NULL, 0, des_access, &acc_granted, "_samr_connect");
2622
2623         if ( !NT_STATUS_IS_OK(nt_status) )
2624                 return nt_status;
2625
2626         r_u->status = NT_STATUS_OK;
2627
2628         /* associate the user's SID and access granted with the new handle. */
2629         if ((info = get_samr_info_by_sid(NULL)) == NULL)
2630                 return NT_STATUS_NO_MEMORY;
2631
2632         info->acc_granted = acc_granted;
2633         info->status = q_u->access_mask;
2634
2635         /* get a (unique) handle.  open a policy on it. */
2636         if (!create_policy_hnd(p, &r_u->connect_pol, free_samr_info, (void *)info))
2637                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
2638
2639         DEBUG(5,("_samr_connect: %d\n", __LINE__));
2640
2641         return r_u->status;
2642 }
2643
2644 /*******************************************************************
2645  samr_connect4
2646  ********************************************************************/
2647
2648 NTSTATUS _samr_connect4(pipes_struct *p, SAMR_Q_CONNECT4 *q_u, SAMR_R_CONNECT4 *r_u)
2649 {
2650         struct samr_info *info = NULL;
2651         SEC_DESC *psd = NULL;
2652         uint32    acc_granted;
2653         uint32    des_access = q_u->access_mask;
2654         NTSTATUS  nt_status;
2655         size_t    sd_size;
2656
2657
2658         DEBUG(5,("_samr_connect4: %d\n", __LINE__));
2659
2660         /* Access check */
2661
2662         if (!pipe_access_check(p)) {
2663                 DEBUG(3, ("access denied to samr_connect4\n"));
2664                 r_u->status = NT_STATUS_ACCESS_DENIED;
2665                 return r_u->status;
2666         }
2667
2668         make_samr_object_sd(p->mem_ctx, &psd, &sd_size, &sam_generic_mapping, NULL, 0);
2669         se_map_generic(&des_access, &sam_generic_mapping);
2670
2671         nt_status = access_check_samr_object(psd, p->pipe_user.nt_user_token,
2672                 NULL, 0, des_access, &acc_granted, "_samr_connect4");
2673
2674         if ( !NT_STATUS_IS_OK(nt_status) )
2675                 return nt_status;
2676
2677         r_u->status = NT_STATUS_OK;
2678
2679         /* associate the user's SID and access granted with the new handle. */
2680         if ((info = get_samr_info_by_sid(NULL)) == NULL)
2681                 return NT_STATUS_NO_MEMORY;
2682
2683         info->acc_granted = acc_granted;
2684         info->status = q_u->access_mask;
2685
2686         /* get a (unique) handle.  open a policy on it. */
2687         if (!create_policy_hnd(p, &r_u->connect_pol, free_samr_info, (void *)info))
2688                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
2689
2690         DEBUG(5,("_samr_connect: %d\n", __LINE__));
2691
2692         return r_u->status;
2693 }
2694
2695 /*******************************************************************
2696  samr_connect5
2697  ********************************************************************/
2698
2699 NTSTATUS _samr_connect5(pipes_struct *p, SAMR_Q_CONNECT5 *q_u, SAMR_R_CONNECT5 *r_u)
2700 {
2701         struct samr_info *info = NULL;
2702         SEC_DESC *psd = NULL;
2703         uint32    acc_granted;
2704         uint32    des_access = q_u->access_mask;
2705         NTSTATUS  nt_status;
2706         POLICY_HND pol;
2707         size_t    sd_size;
2708
2709
2710         DEBUG(5,("_samr_connect5: %d\n", __LINE__));
2711
2712         ZERO_STRUCTP(r_u);
2713
2714         /* Access check */
2715
2716         if (!pipe_access_check(p)) {
2717                 DEBUG(3, ("access denied to samr_connect5\n"));
2718                 r_u->status = NT_STATUS_ACCESS_DENIED;
2719                 return r_u->status;
2720         }
2721
2722         make_samr_object_sd(p->mem_ctx, &psd, &sd_size, &sam_generic_mapping, NULL, 0);
2723         se_map_generic(&des_access, &sam_generic_mapping);
2724
2725         nt_status = access_check_samr_object(psd, p->pipe_user.nt_user_token,
2726                 NULL, 0, des_access, &acc_granted, "_samr_connect5");
2727
2728         if ( !NT_STATUS_IS_OK(nt_status) )
2729                 return nt_status;
2730
2731         /* associate the user's SID and access granted with the new handle. */
2732         if ((info = get_samr_info_by_sid(NULL)) == NULL)
2733                 return NT_STATUS_NO_MEMORY;
2734
2735         info->acc_granted = acc_granted;
2736         info->status = q_u->access_mask;
2737
2738         /* get a (unique) handle.  open a policy on it. */
2739         if (!create_policy_hnd(p, &pol, free_samr_info, (void *)info))
2740                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
2741
2742         DEBUG(5,("_samr_connect: %d\n", __LINE__));
2743
2744         init_samr_r_connect5(r_u, &pol, NT_STATUS_OK);
2745
2746         return r_u->status;
2747 }
2748
2749 /**********************************************************************
2750  api_samr_lookup_domain
2751  **********************************************************************/
2752
2753 NTSTATUS _samr_lookup_domain(pipes_struct *p, SAMR_Q_LOOKUP_DOMAIN *q_u, SAMR_R_LOOKUP_DOMAIN *r_u)
2754 {
2755         struct samr_info *info;
2756         fstring domain_name;
2757         DOM_SID sid;
2758
2759         r_u->status = NT_STATUS_OK;
2760
2761         if (!find_policy_by_hnd(p, &q_u->connect_pol, (void**)(void *)&info))
2762                 return NT_STATUS_INVALID_HANDLE;
2763
2764         /* win9x user manager likes to use SA_RIGHT_SAM_ENUM_DOMAINS here.
2765            Reverted that change so we will work with RAS servers again */
2766
2767         if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(info->acc_granted,
2768                 SA_RIGHT_SAM_OPEN_DOMAIN, "_samr_lookup_domain")))
2769         {
2770                 return r_u->status;
2771         }
2772
2773         rpcstr_pull(domain_name, q_u->uni_domain.buffer, sizeof(domain_name), q_u->uni_domain.uni_str_len*2, 0);
2774
2775         ZERO_STRUCT(sid);
2776
2777         if (strequal(domain_name, builtin_domain_name())) {
2778                 sid_copy(&sid, &global_sid_Builtin);
2779         } else {
2780                 if (!secrets_fetch_domain_sid(domain_name, &sid)) {
2781                         r_u->status = NT_STATUS_NO_SUCH_DOMAIN;
2782                 }
2783         }
2784
2785         DEBUG(2,("Returning domain sid for domain %s -> %s\n", domain_name, sid_string_static(&sid)));
2786
2787         init_samr_r_lookup_domain(r_u, &sid, r_u->status);
2788
2789         return r_u->status;
2790 }
2791
2792 /******************************************************************
2793 makes a SAMR_R_ENUM_DOMAINS structure.
2794 ********************************************************************/
2795
2796 static BOOL make_enum_domains(TALLOC_CTX *ctx, SAM_ENTRY **pp_sam,
2797                         UNISTR2 **pp_uni_name, uint32 num_sam_entries, fstring doms[])
2798 {
2799         uint32 i;
2800         SAM_ENTRY *sam;
2801         UNISTR2 *uni_name;
2802
2803         DEBUG(5, ("make_enum_domains\n"));
2804
2805         *pp_sam = NULL;
2806         *pp_uni_name = NULL;
2807
2808         if (num_sam_entries == 0)
2809                 return True;
2810
2811         sam = TALLOC_ZERO_ARRAY(ctx, SAM_ENTRY, num_sam_entries);
2812         uni_name = TALLOC_ZERO_ARRAY(ctx, UNISTR2, num_sam_entries);
2813
2814         if (sam == NULL || uni_name == NULL)
2815                 return False;
2816
2817         for (i = 0; i < num_sam_entries; i++) {
2818                 init_unistr2(&uni_name[i], doms[i], UNI_FLAGS_NONE);
2819                 init_sam_entry(&sam[i], &uni_name[i], 0);
2820         }
2821
2822         *pp_sam = sam;
2823         *pp_uni_name = uni_name;
2824
2825         return True;
2826 }
2827
2828 /**********************************************************************
2829  api_samr_enum_domains
2830  **********************************************************************/
2831
2832 NTSTATUS _samr_enum_domains(pipes_struct *p, SAMR_Q_ENUM_DOMAINS *q_u, SAMR_R_ENUM_DOMAINS *r_u)
2833 {
2834         struct samr_info *info;
2835         uint32 num_entries = 2;
2836         fstring dom[2];
2837         const char *name;
2838
2839         r_u->status = NT_STATUS_OK;
2840
2841         if (!find_policy_by_hnd(p, &q_u->pol, (void**)(void *)&info))
2842                 return NT_STATUS_INVALID_HANDLE;
2843
2844         if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(info->acc_granted, SA_RIGHT_SAM_ENUM_DOMAINS, "_samr_enum_domains"))) {
2845                 return r_u->status;
2846         }
2847
2848         name = get_global_sam_name();
2849
2850         fstrcpy(dom[0],name);
2851         strupper_m(dom[0]);
2852         fstrcpy(dom[1],"Builtin");
2853
2854         if (!make_enum_domains(p->mem_ctx, &r_u->sam, &r_u->uni_dom_name, num_entries, dom))
2855                 return NT_STATUS_NO_MEMORY;
2856
2857         init_samr_r_enum_domains(r_u, q_u->start_idx + num_entries, num_entries);
2858
2859         return r_u->status;
2860 }
2861
2862 /*******************************************************************
2863  api_samr_open_alias
2864  ********************************************************************/
2865
2866 NTSTATUS _samr_open_alias(pipes_struct *p, SAMR_Q_OPEN_ALIAS *q_u, SAMR_R_OPEN_ALIAS *r_u)
2867 {
2868         DOM_SID sid;
2869         POLICY_HND domain_pol = q_u->dom_pol;
2870         uint32 alias_rid = q_u->rid_alias;
2871         POLICY_HND *alias_pol = &r_u->pol;
2872         struct    samr_info *info = NULL;
2873         SEC_DESC *psd = NULL;
2874         uint32    acc_granted;
2875         uint32    des_access = q_u->access_mask;
2876         size_t    sd_size;
2877         NTSTATUS  status;
2878         SE_PRIV se_rights;
2879
2880         r_u->status = NT_STATUS_OK;
2881
2882         /* find the domain policy and get the SID / access bits stored in the domain policy */
2883
2884         if ( !get_lsa_policy_samr_sid(p, &domain_pol, &sid, &acc_granted, NULL) )
2885                 return NT_STATUS_INVALID_HANDLE;
2886
2887         status = access_check_samr_function(acc_granted,
2888                 SA_RIGHT_DOMAIN_OPEN_ACCOUNT, "_samr_open_alias");
2889
2890         if ( !NT_STATUS_IS_OK(status) )
2891                 return status;
2892
2893         /* append the alias' RID to it */
2894
2895         if (!sid_append_rid(&sid, alias_rid))
2896                 return NT_STATUS_NO_SUCH_ALIAS;
2897
2898         /*check if access can be granted as requested by client. */
2899
2900         make_samr_object_sd(p->mem_ctx, &psd, &sd_size, &ali_generic_mapping, NULL, 0);
2901         se_map_generic(&des_access,&ali_generic_mapping);
2902
2903         se_priv_copy( &se_rights, &se_add_users );
2904
2905
2906         status = access_check_samr_object(psd, p->pipe_user.nt_user_token,
2907                 &se_rights, GENERIC_RIGHTS_ALIAS_WRITE, des_access,
2908                 &acc_granted, "_samr_open_alias");
2909
2910         if ( !NT_STATUS_IS_OK(status) )
2911                 return status;
2912
2913         {
2914                 /* Check we actually have the requested alias */
2915                 enum SID_NAME_USE type;
2916                 BOOL result;
2917
2918                 become_root();
2919                 result = lookup_sid(NULL, &sid, NULL, NULL, &type);
2920                 unbecome_root();
2921
2922                 if (!result || (type != SID_NAME_ALIAS)) {
2923                         return NT_STATUS_NO_SUCH_ALIAS;
2924                 }
2925         }
2926
2927         /* associate the alias SID with the new handle. */
2928         if ((info = get_samr_info_by_sid(&sid)) == NULL)
2929                 return NT_STATUS_NO_MEMORY;
2930
2931         info->acc_granted = acc_granted;
2932
2933         /* get a (unique) handle.  open a policy on it. */
2934         if (!create_policy_hnd(p, alias_pol, free_samr_info, (void *)info))
2935                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
2936
2937         return r_u->status;
2938 }
2939
2940 /*******************************************************************
2941  set_user_info_7
2942  ********************************************************************/
2943 static NTSTATUS set_user_info_7(TALLOC_CTX *mem_ctx,
2944                                 const SAM_USER_INFO_7 *id7, struct samu *pwd)
2945 {
2946         fstring new_name;
2947         NTSTATUS rc;
2948
2949         if (id7 == NULL) {
2950                 DEBUG(5, ("set_user_info_7: NULL id7\n"));
2951                 TALLOC_FREE(pwd);
2952                 return NT_STATUS_ACCESS_DENIED;
2953         }
2954
2955         if(!rpcstr_pull(new_name, id7->uni_name.buffer, sizeof(new_name), id7->uni_name.uni_str_len*2, 0)) {
2956                 DEBUG(5, ("set_user_info_7: failed to get new username\n"));
2957                 TALLOC_FREE(pwd);
2958                 return NT_STATUS_ACCESS_DENIED;
2959         }
2960
2961         /* check to see if the new username already exists.  Note: we can't
2962            reliably lock all backends, so there is potentially the
2963            possibility that a user can be created in between this check and
2964            the rename.  The rename should fail, but may not get the
2965            exact same failure status code.  I think this is small enough
2966            of a window for this type of operation and the results are
2967            simply that the rename fails with a slightly different status
2968            code (like UNSUCCESSFUL instead of ALREADY_EXISTS). */
2969
2970         rc = can_create(mem_ctx, new_name);
2971         if (!NT_STATUS_IS_OK(rc)) {
2972                 return rc;
2973         }
2974
2975         rc = pdb_rename_sam_account(pwd, new_name);
2976
2977         TALLOC_FREE(pwd);
2978         return rc;
2979 }
2980
2981 /*******************************************************************
2982  set_user_info_16
2983  ********************************************************************/
2984
2985 static BOOL set_user_info_16(const SAM_USER_INFO_16 *id16, struct samu *pwd)
2986 {
2987         if (id16 == NULL) {
2988                 DEBUG(5, ("set_user_info_16: NULL id16\n"));
2989                 TALLOC_FREE(pwd);
2990                 return False;
2991         }
2992
2993         /* FIX ME: check if the value is really changed --metze */
2994         if (!pdb_set_acct_ctrl(pwd, id16->acb_info, PDB_CHANGED)) {
2995                 TALLOC_FREE(pwd);
2996                 return False;
2997         }
2998
2999         if(!NT_STATUS_IS_OK(pdb_update_sam_account(pwd))) {
3000                 TALLOC_FREE(pwd);
3001                 return False;
3002         }
3003
3004         TALLOC_FREE(pwd);
3005
3006         return True;
3007 }
3008
3009 /*******************************************************************
3010  set_user_info_18
3011  ********************************************************************/
3012
3013 static BOOL set_user_info_18(SAM_USER_INFO_18 *id18, struct samu *pwd)
3014 {
3015
3016         if (id18 == NULL) {
3017                 DEBUG(2, ("set_user_info_18: id18 is NULL\n"));
3018                 TALLOC_FREE(pwd);
3019                 return False;
3020         }
3021
3022         if (!pdb_set_lanman_passwd (pwd, id18->lm_pwd, PDB_CHANGED)) {
3023                 TALLOC_FREE(pwd);
3024                 return False;
3025         }
3026         if (!pdb_set_nt_passwd     (pwd, id18->nt_pwd, PDB_CHANGED)) {
3027                 TALLOC_FREE(pwd);
3028                 return False;
3029         }
3030         if (!pdb_set_pass_changed_now (pwd)) {
3031                 TALLOC_FREE(pwd);
3032                 return False;
3033         }
3034
3035         if(!NT_STATUS_IS_OK(pdb_update_sam_account(pwd))) {
3036                 TALLOC_FREE(pwd);
3037                 return False;
3038         }
3039
3040         TALLOC_FREE(pwd);
3041         return True;
3042 }
3043
3044 /*******************************************************************
3045  set_user_info_20
3046  ********************************************************************/
3047
3048 static BOOL set_user_info_20(SAM_USER_INFO_20 *id20, struct samu *pwd)
3049 {
3050         if (id20 == NULL) {
3051                 DEBUG(5, ("set_user_info_20: NULL id20\n"));
3052                 return False;
3053         }
3054
3055         copy_id20_to_sam_passwd(pwd, id20);
3056
3057         /* write the change out */
3058         if(!NT_STATUS_IS_OK(pdb_update_sam_account(pwd))) {
3059                 TALLOC_FREE(pwd);
3060                 return False;
3061         }
3062
3063         TALLOC_FREE(pwd);
3064
3065         return True;
3066 }
3067 /*******************************************************************
3068  set_user_info_21
3069  ********************************************************************/
3070
3071 static NTSTATUS set_user_info_21(TALLOC_CTX *mem_ctx, SAM_USER_INFO_21 *id21,
3072                                  struct samu *pwd)
3073 {
3074         fstring new_name;
3075         NTSTATUS status;
3076
3077         if (id21 == NULL) {
3078                 DEBUG(5, ("set_user_info_21: NULL id21\n"));
3079                 return NT_STATUS_INVALID_PARAMETER;
3080         }
3081
3082         /* we need to separately check for an account rename first */
3083         if (rpcstr_pull(new_name, id21->uni_user_name.buffer,
3084                         sizeof(new_name), id21->uni_user_name.uni_str_len*2, 0) &&
3085            (!strequal(new_name, pdb_get_username(pwd)))) {
3086
3087                 /* check to see if the new username already exists.  Note: we can't
3088                    reliably lock all backends, so there is potentially the
3089                    possibility that a user can be created in between this check and
3090                    the rename.  The rename should fail, but may not get the
3091                    exact same failure status code.  I think this is small enough
3092                    of a window for this type of operation and the results are
3093                    simply that the rename fails with a slightly different status
3094                    code (like UNSUCCESSFUL instead of ALREADY_EXISTS). */
3095
3096                 status = can_create(mem_ctx, new_name);
3097                 if (!NT_STATUS_IS_OK(status)) {
3098                         return status;
3099                 }
3100
3101                 status = pdb_rename_sam_account(pwd, new_name);
3102
3103                 if (!NT_STATUS_IS_OK(status)) {
3104                         DEBUG(0,("set_user_info_21: failed to rename account: %s\n",
3105                                 nt_errstr(status)));
3106                         TALLOC_FREE(pwd);
3107                         return status;
3108                 }
3109
3110                 /* set the new username so that later
3111                    functions can work on the new account */
3112                 pdb_set_username(pwd, new_name, PDB_SET);
3113         }
3114
3115         copy_id21_to_sam_passwd(pwd, id21);
3116
3117         /*
3118          * The funny part about the previous two calls is
3119          * that pwd still has the password hashes from the
3120          * passdb entry.  These have not been updated from
3121          * id21.  I don't know if they need to be set.    --jerry
3122          */
3123
3124         if ( IS_SAM_CHANGED(pwd, PDB_GROUPSID) ) {
3125                 status = pdb_set_unix_primary_group(mem_ctx, pwd);
3126                 if ( !NT_STATUS_IS_OK(status) ) {
3127                         return status;
3128                 }
3129         }
3130
3131         /* Don't worry about writing out the user account since the
3132            primary group SID is generated solely from the user's Unix
3133            primary group. */
3134
3135         TALLOC_FREE(pwd);
3136
3137         return NT_STATUS_OK;
3138 }
3139
3140 /*******************************************************************
3141  set_user_info_23
3142  ********************************************************************/
3143
3144 static NTSTATUS set_user_info_23(TALLOC_CTX *mem_ctx, SAM_USER_INFO_23 *id23,
3145                                  struct samu *pwd)
3146 {
3147         pstring plaintext_buf;
3148         uint32 len;
3149         uint16 acct_ctrl;
3150         NTSTATUS status;
3151
3152         if (id23 == NULL) {
3153                 DEBUG(5, ("set_user_info_23: NULL id23\n"));
3154                 return NT_STATUS_INVALID_PARAMETER;
3155         }
3156
3157         DEBUG(5, ("Attempting administrator password change (level 23) for user %s\n",
3158                   pdb_get_username(pwd)));
3159
3160         acct_ctrl = pdb_get_acct_ctrl(pwd);
3161
3162         if (!decode_pw_buffer(id23->pass, plaintext_buf, 256, &len, STR_UNICODE)) {
3163                 TALLOC_FREE(pwd);
3164                 return NT_STATUS_INVALID_PARAMETER;
3165         }
3166
3167         if (!pdb_set_plaintext_passwd (pwd, plaintext_buf)) {
3168                 TALLOC_FREE(pwd);
3169                 return NT_STATUS_ACCESS_DENIED;
3170         }
3171
3172         copy_id23_to_sam_passwd(pwd, id23);
3173
3174         /* if it's a trust account, don't update /etc/passwd */
3175         if (    ( (acct_ctrl &  ACB_DOMTRUST) == ACB_DOMTRUST ) ||
3176                 ( (acct_ctrl &  ACB_WSTRUST) ==  ACB_WSTRUST) ||
3177                 ( (acct_ctrl &  ACB_SVRTRUST) ==  ACB_SVRTRUST) ) {
3178                 DEBUG(5, ("Changing trust account or non-unix-user password, not updating /etc/passwd\n"));
3179         } else  {
3180                 /* update the UNIX password */
3181                 if (lp_unix_password_sync() ) {
3182                         struct passwd *passwd = Get_Pwnam(pdb_get_username(pwd));
3183                         if (!passwd) {
3184                                 DEBUG(1, ("chgpasswd: Username does not exist in system !?!\n"));
3185                         }
3186
3187                         if(!chgpasswd(pdb_get_username(pwd), passwd, "", plaintext_buf, True)) {
3188                                 TALLOC_FREE(pwd);
3189                                 return NT_STATUS_ACCESS_DENIED;
3190                         }
3191                 }
3192         }
3193
3194         ZERO_STRUCT(plaintext_buf);
3195
3196         if (IS_SAM_CHANGED(pwd, PDB_GROUPSID) &&
3197             (!NT_STATUS_IS_OK(status =  pdb_set_unix_primary_group(mem_ctx,
3198                                                                    pwd)))) {
3199                 TALLOC_FREE(pwd);
3200                 return status;
3201         }
3202
3203         if(!NT_STATUS_IS_OK(status = pdb_update_sam_account(pwd))) {
3204                 TALLOC_FREE(pwd);
3205                 return status;
3206         }
3207
3208         TALLOC_FREE(pwd);
3209
3210         return NT_STATUS_OK;
3211 }
3212
3213 /*******************************************************************
3214  set_user_info_pw
3215  ********************************************************************/
3216
3217 static BOOL set_user_info_pw(uint8 *pass, struct samu *pwd)
3218 {
3219         uint32 len;
3220         pstring plaintext_buf;
3221         uint32 acct_ctrl;
3222
3223         DEBUG(5, ("Attempting administrator password change for user %s\n",
3224                   pdb_get_username(pwd)));
3225
3226         acct_ctrl = pdb_get_acct_ctrl(pwd);
3227
3228         ZERO_STRUCT(plaintext_buf);
3229
3230         if (!decode_pw_buffer(pass, plaintext_buf, 256, &len, STR_UNICODE)) {
3231                 TALLOC_FREE(pwd);
3232                 return False;
3233         }
3234
3235         if (!pdb_set_plaintext_passwd (pwd, plaintext_buf)) {
3236                 TALLOC_FREE(pwd);
3237                 return False;
3238         }
3239
3240         /* if it's a trust account, don't update /etc/passwd */
3241         if ( ( (acct_ctrl &  ACB_DOMTRUST) == ACB_DOMTRUST ) ||
3242                 ( (acct_ctrl &  ACB_WSTRUST) ==  ACB_WSTRUST) ||
3243                 ( (acct_ctrl &  ACB_SVRTRUST) ==  ACB_SVRTRUST) ) {
3244                 DEBUG(5, ("Changing trust account or non-unix-user password, not updating /etc/passwd\n"));
3245         } else {
3246                 /* update the UNIX password */
3247                 if (lp_unix_password_sync()) {
3248                         struct passwd *passwd = Get_Pwnam(pdb_get_username(pwd));
3249                         if (!passwd) {
3250                                 DEBUG(1, ("chgpasswd: Username does not exist in system !?!\n"));
3251                         }
3252
3253                         if(!chgpasswd(pdb_get_username(pwd), passwd, "", plaintext_buf, True)) {
3254                                 TALLOC_FREE(pwd);
3255                                 return False;
3256                         }
3257                 }
3258         }
3259
3260         ZERO_STRUCT(plaintext_buf);
3261
3262         DEBUG(5,("set_user_info_pw: pdb_update_pwd()\n"));
3263
3264         /* update the SAMBA password */
3265         if(!NT_STATUS_IS_OK(pdb_update_sam_account(pwd))) {
3266                 TALLOC_FREE(pwd);
3267                 return False;
3268         }
3269
3270         TALLOC_FREE(pwd);
3271
3272         return True;
3273 }
3274
3275 /*******************************************************************
3276  samr_reply_set_userinfo
3277  ********************************************************************/
3278
3279 NTSTATUS _samr_set_userinfo(pipes_struct *p, SAMR_Q_SET_USERINFO *q_u, SAMR_R_SET_USERINFO *r_u)
3280 {
3281         struct samu *pwd = NULL;
3282         DOM_SID sid;
3283         POLICY_HND *pol = &q_u->pol;
3284         uint16 switch_value = q_u->switch_value;
3285         SAM_USERINFO_CTR *ctr = q_u->ctr;
3286         uint32 acc_granted;
3287         uint32 acc_required;
3288         BOOL ret;
3289         BOOL has_enough_rights = False;
3290         uint32 acb_info;
3291         DISP_INFO *disp_info = NULL;
3292
3293         DEBUG(5, ("_samr_set_userinfo: %d\n", __LINE__));
3294
3295         r_u->status = NT_STATUS_OK;
3296
3297         /* find the policy handle.  open a policy on it. */
3298         if (!get_lsa_policy_samr_sid(p, pol, &sid, &acc_granted, &disp_info))
3299                 return NT_STATUS_INVALID_HANDLE;
3300
3301         /* observed when joining an XP client to a Samba domain */
3302
3303         acc_required = SA_RIGHT_USER_SET_PASSWORD | SA_RIGHT_USER_SET_ATTRIBUTES | SA_RIGHT_USER_ACCT_FLAGS_EXPIRY;
3304
3305         if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, acc_required, "_samr_set_userinfo"))) {
3306                 return r_u->status;
3307         }
3308
3309         DEBUG(5, ("_samr_set_userinfo: sid:%s, level:%d\n", sid_string_static(&sid), switch_value));
3310
3311         if (ctr == NULL) {
3312                 DEBUG(5, ("_samr_set_userinfo: NULL info level\n"));
3313                 return NT_STATUS_INVALID_INFO_CLASS;
3314         }
3315
3316         if ( !(pwd = samu_new( NULL )) ) {
3317                 return NT_STATUS_NO_MEMORY;
3318         }
3319
3320         become_root();
3321         ret = pdb_getsampwsid(pwd, &sid);
3322         unbecome_root();
3323
3324         if ( !ret ) {
3325                 TALLOC_FREE(pwd);
3326                 return NT_STATUS_NO_SUCH_USER;
3327         }
3328
3329         /* deal with machine password changes differently from userinfo changes */
3330         /* check to see if we have the sufficient rights */
3331
3332         acb_info = pdb_get_acct_ctrl(pwd);
3333         if ( acb_info & ACB_WSTRUST )
3334                 has_enough_rights = user_has_privileges( p->pipe_user.nt_user_token, &se_machine_account);
3335         else if ( acb_info & ACB_NORMAL )
3336                 has_enough_rights = user_has_privileges( p->pipe_user.nt_user_token, &se_add_users );
3337         else if ( acb_info & (ACB_SVRTRUST|ACB_DOMTRUST) ) {
3338                 if ( lp_enable_privileges() )
3339                         has_enough_rights = nt_token_check_domain_rid( p->pipe_user.nt_user_token, DOMAIN_GROUP_RID_ADMINS );
3340         }
3341
3342         DEBUG(5, ("_samr_set_userinfo: %s does%s possess sufficient rights\n",
3343                 p->pipe_user_name, has_enough_rights ? "" : " not"));
3344
3345         /* ================ BEGIN SeMachineAccountPrivilege BLOCK ================ */
3346
3347         if ( has_enough_rights )
3348                 become_root();
3349
3350         /* ok!  user info levels (lots: see MSDEV help), off we go... */
3351
3352         switch (switch_value) {
3353                 case 18:
3354                         if (!set_user_info_18(ctr->info.id18, pwd))
3355                                 r_u->status = NT_STATUS_ACCESS_DENIED;
3356                         break;
3357
3358                 case 24:
3359                         if (!p->session_key.length) {
3360                                 r_u->status = NT_STATUS_NO_USER_SESSION_KEY;
3361                         }
3362                         SamOEMhashBlob(ctr->info.id24->pass, 516, &p->session_key);
3363
3364                         dump_data(100, (char *)ctr->info.id24->pass, 516);
3365
3366                         if (!set_user_info_pw(ctr->info.id24->pass, pwd))
3367                                 r_u->status = NT_STATUS_ACCESS_DENIED;
3368                         break;
3369
3370                 case 25:
3371                         if (!p->session_key.length) {
3372                                 r_u->status = NT_STATUS_NO_USER_SESSION_KEY;
3373                         }
3374                         encode_or_decode_arc4_passwd_buffer(ctr->info.id25->pass, &p->session_key);
3375
3376                         dump_data(100, (char *)ctr->info.id25->pass, 532);
3377
3378                         if (!set_user_info_pw(ctr->info.id25->pass, pwd))
3379                                 r_u->status = NT_STATUS_ACCESS_DENIED;
3380                         break;
3381
3382                 case 26:
3383                         if (!p->session_key.length) {
3384                                 r_u->status = NT_STATUS_NO_USER_SESSION_KEY;
3385                         }
3386                         encode_or_decode_arc4_passwd_buffer(ctr->info.id26->pass, &p->session_key);
3387
3388                         dump_data(100, (char *)ctr->info.id26->pass, 516);
3389
3390                         if (!set_user_info_pw(ctr->info.id26->pass, pwd))
3391                                 r_u->status = NT_STATUS_ACCESS_DENIED;
3392                         break;
3393
3394                 case 23:
3395                         if (!p->session_key.length) {
3396                                 r_u->status = NT_STATUS_NO_USER_SESSION_KEY;
3397                         }
3398                         SamOEMhashBlob(ctr->info.id23->pass, 516, &p->session_key);
3399
3400                         dump_data(100, (char *)ctr->info.id23->pass, 516);
3401
3402                         r_u->status = set_user_info_23(p->mem_ctx,
3403                                                        ctr->info.id23, pwd);
3404                         break;
3405
3406                 default:
3407                         r_u->status = NT_STATUS_INVALID_INFO_CLASS;
3408         }
3409
3410
3411         if ( has_enough_rights )
3412                 unbecome_root();
3413
3414         /* ================ END SeMachineAccountPrivilege BLOCK ================ */
3415
3416         if (NT_STATUS_IS_OK(r_u->status)) {
3417                 force_flush_samr_cache(disp_info);
3418         }
3419
3420         return r_u->status;
3421 }
3422
3423 /*******************************************************************
3424  samr_reply_set_userinfo2
3425  ********************************************************************/
3426
3427 NTSTATUS _samr_set_userinfo2(pipes_struct *p, SAMR_Q_SET_USERINFO2 *q_u, SAMR_R_SET_USERINFO2 *r_u)
3428 {
3429         struct samu *pwd = NULL;
3430         DOM_SID sid;
3431         SAM_USERINFO_CTR *ctr = q_u->ctr;
3432         POLICY_HND *pol = &q_u->pol;
3433         uint16 switch_value = q_u->switch_value;
3434         uint32 acc_granted;
3435         uint32 acc_required;
3436         BOOL ret;
3437         BOOL has_enough_rights = False;
3438         uint32 acb_info;
3439         DISP_INFO *disp_info = NULL;
3440
3441         DEBUG(5, ("samr_reply_set_userinfo2: %d\n", __LINE__));
3442
3443         r_u->status = NT_STATUS_OK;
3444
3445         /* find the policy handle.  open a policy on it. */
3446         if (!get_lsa_policy_samr_sid(p, pol, &sid, &acc_granted, &disp_info))
3447                 return NT_STATUS_INVALID_HANDLE;
3448
3449         /* observed when joining XP client to Samba domain */
3450
3451         acc_required = SA_RIGHT_USER_SET_PASSWORD | SA_RIGHT_USER_SET_ATTRIBUTES | SA_RIGHT_USER_ACCT_FLAGS_EXPIRY;
3452
3453         if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, acc_required, "_samr_set_userinfo2"))) {
3454                 return r_u->status;
3455         }
3456
3457         DEBUG(5, ("samr_reply_set_userinfo2: sid:%s\n", sid_string_static(&sid)));
3458
3459         if (ctr == NULL) {
3460                 DEBUG(5, ("samr_reply_set_userinfo2: NULL info level\n"));
3461                 return NT_STATUS_INVALID_INFO_CLASS;
3462         }
3463
3464         switch_value=ctr->switch_value;
3465
3466         if ( !(pwd = samu_new( NULL )) ) {
3467                 return NT_STATUS_NO_MEMORY;
3468         }
3469
3470         become_root();
3471         ret = pdb_getsampwsid(pwd, &sid);
3472         unbecome_root();
3473
3474         if ( !ret ) {
3475                 TALLOC_FREE(pwd);
3476                 return NT_STATUS_NO_SUCH_USER;
3477         }
3478
3479         acb_info = pdb_get_acct_ctrl(pwd);
3480         if ( acb_info & ACB_WSTRUST )
3481                 has_enough_rights = user_has_privileges( p->pipe_user.nt_user_token, &se_machine_account);
3482         else if ( acb_info & ACB_NORMAL )
3483                 has_enough_rights = user_has_privileges( p->pipe_user.nt_user_token, &se_add_users );
3484         else if ( acb_info & (ACB_SVRTRUST|ACB_DOMTRUST) ) {
3485                 if ( lp_enable_privileges() )
3486                         has_enough_rights = nt_token_check_domain_rid( p->pipe_user.nt_user_token, DOMAIN_GROUP_RID_ADMINS );
3487         }
3488
3489         DEBUG(5, ("_samr_set_userinfo2: %s does%s possess sufficient rights\n",
3490                 p->pipe_user_name, has_enough_rights ? "" : " not"));
3491
3492         /* ================ BEGIN SeMachineAccountPrivilege BLOCK ================ */
3493
3494         if ( has_enough_rights )
3495                 become_root();
3496
3497         /* ok!  user info levels (lots: see MSDEV help), off we go... */
3498
3499         switch (switch_value) {
3500                 case 7:
3501                         r_u->status = set_user_info_7(p->mem_ctx,
3502                                                       ctr->info.id7, pwd);
3503                         break;
3504                 case 16:
3505                         if (!set_user_info_16(ctr->info.id16, pwd))
3506                                 r_u->status = NT_STATUS_ACCESS_DENIED;
3507                         break;
3508                 case 18:
3509                         /* Used by AS/U JRA. */
3510                         if (!set_user_info_18(ctr->info.id18, pwd))
3511                                 r_u->status = NT_STATUS_ACCESS_DENIED;
3512                         break;
3513                 case 20:
3514                         if (!set_user_info_20(ctr->info.id20, pwd))
3515                                 r_u->status = NT_STATUS_ACCESS_DENIED;
3516                         break;
3517                 case 21:
3518                         r_u->status = set_user_info_21(p->mem_ctx,
3519                                                        ctr->info.id21, pwd);
3520                         break;
3521                 case 23:
3522                         if (!p->session_key.length) {
3523                                 r_u->status = NT_STATUS_NO_USER_SESSION_KEY;
3524                         }
3525                         SamOEMhashBlob(ctr->info.id23->pass, 516, &p->session_key);
3526
3527                         dump_data(100, (char *)ctr->info.id23->pass, 516);
3528
3529                         r_u->status = set_user_info_23(p->mem_ctx,
3530                                                        ctr->info.id23, pwd);
3531                         break;
3532                 case 26:
3533                         if (!p->session_key.length) {
3534                                 r_u->status = NT_STATUS_NO_USER_SESSION_KEY;
3535                         }
3536                         encode_or_decode_arc4_passwd_buffer(ctr->info.id26->pass, &p->session_key);
3537
3538                         dump_data(100, (char *)ctr->info.id26->pass, 516);
3539
3540                         if (!set_user_info_pw(ctr->info.id26->pass, pwd))
3541                                 r_u->status = NT_STATUS_ACCESS_DENIED;
3542                         break;
3543                 default:
3544                         r_u->status = NT_STATUS_INVALID_INFO_CLASS;
3545         }
3546
3547         if ( has_enough_rights )
3548                 unbecome_root();
3549
3550         /* ================ END SeMachineAccountPrivilege BLOCK ================ */
3551
3552         if (NT_STATUS_IS_OK(r_u->status)) {
3553                 force_flush_samr_cache(disp_info);
3554         }
3555
3556         return r_u->status;
3557 }
3558
3559 /*********************************************************************
3560  _samr_query_aliasmem
3561 *********************************************************************/
3562
3563 NTSTATUS _samr_query_useraliases(pipes_struct *p, SAMR_Q_QUERY_USERALIASES *q_u, SAMR_R_QUERY_USERALIASES *r_u)
3564 {
3565         size_t num_alias_rids;
3566         uint32 *alias_rids;
3567         struct samr_info *info = NULL;
3568         size_t i;
3569
3570         NTSTATUS ntstatus1;
3571         NTSTATUS ntstatus2;
3572
3573         DOM_SID *members;
3574
3575         r_u->status = NT_STATUS_OK;
3576
3577         DEBUG(5,("_samr_query_useraliases: %d\n", __LINE__));
3578
3579         /* find the policy handle.  open a policy on it. */
3580         if (!find_policy_by_hnd(p, &q_u->pol, (void **)(void *)&info))
3581                 return NT_STATUS_INVALID_HANDLE;
3582
3583         ntstatus1 = access_check_samr_function(info->acc_granted, SA_RIGHT_DOMAIN_LOOKUP_ALIAS_BY_MEM, "_samr_query_useraliases");
3584         ntstatus2 = access_check_samr_function(info->acc_granted, SA_RIGHT_DOMAIN_OPEN_ACCOUNT, "_samr_query_useraliases");
3585
3586         if (!NT_STATUS_IS_OK(ntstatus1) || !NT_STATUS_IS_OK(ntstatus2)) {
3587                 if (!(NT_STATUS_EQUAL(ntstatus1,NT_STATUS_ACCESS_DENIED) && NT_STATUS_IS_OK(ntstatus2)) &&
3588                     !(NT_STATUS_EQUAL(ntstatus1,NT_STATUS_ACCESS_DENIED) && NT_STATUS_IS_OK(ntstatus1))) {
3589                         return (NT_STATUS_IS_OK(ntstatus1)) ? ntstatus2 : ntstatus1;
3590                 }
3591         }
3592
3593         if (!sid_check_is_domain(&info->sid) &&
3594             !sid_check_is_builtin(&info->sid))
3595                 return NT_STATUS_OBJECT_TYPE_MISMATCH;
3596
3597         members = TALLOC_ARRAY(p->mem_ctx, DOM_SID, q_u->num_sids1);
3598
3599         if (members == NULL)
3600                 return NT_STATUS_NO_MEMORY;
3601
3602         for (i=0; i<q_u->num_sids1; i++)
3603                 sid_copy(&members[i], &q_u->sid[i].sid);
3604
3605         alias_rids = NULL;
3606         num_alias_rids = 0;
3607
3608         become_root();
3609         ntstatus1 = pdb_enum_alias_memberships(p->mem_ctx, &info->sid, members,
3610                                                q_u->num_sids1,
3611                                                &alias_rids, &num_alias_rids);
3612         unbecome_root();
3613
3614         if (!NT_STATUS_IS_OK(ntstatus1)) {
3615                 return ntstatus1;
3616         }
3617
3618         init_samr_r_query_useraliases(r_u, num_alias_rids, alias_rids,
3619                                       NT_STATUS_OK);
3620         return NT_STATUS_OK;
3621 }
3622
3623 /*********************************************************************
3624  _samr_query_aliasmem
3625 *********************************************************************/
3626
3627 NTSTATUS _samr_query_aliasmem(pipes_struct *p, SAMR_Q_QUERY_ALIASMEM *q_u, SAMR_R_QUERY_ALIASMEM *r_u)
3628 {
3629         NTSTATUS status;
3630         size_t i;
3631         size_t num_sids = 0;
3632         DOM_SID2 *sid;
3633         DOM_SID *sids=NULL;
3634
3635         DOM_SID alias_sid;
3636
3637         uint32 acc_granted;
3638
3639         /* find the policy handle.  open a policy on it. */
3640         if (!get_lsa_policy_samr_sid(p, &q_u->alias_pol, &alias_sid, &acc_granted, NULL))
3641                 return NT_STATUS_INVALID_HANDLE;
3642
3643         if (!NT_STATUS_IS_OK(r_u->status =
3644                 access_check_samr_function(acc_granted, SA_RIGHT_ALIAS_GET_MEMBERS, "_samr_query_aliasmem"))) {
3645                 return r_u->status;
3646         }
3647
3648         DEBUG(10, ("sid is %s\n", sid_string_static(&alias_sid)));
3649
3650         status = pdb_enum_aliasmem(&alias_sid, &sids, &num_sids);
3651
3652         if (!NT_STATUS_IS_OK(status)) {
3653                 return status;
3654         }
3655
3656         sid = TALLOC_ZERO_ARRAY(p->mem_ctx, DOM_SID2, num_sids);
3657         if (num_sids!=0 && sid == NULL) {
3658                 SAFE_FREE(sids);
3659                 return NT_STATUS_NO_MEMORY;
3660         }
3661
3662         for (i = 0; i < num_sids; i++) {
3663                 init_dom_sid2(&sid[i], &sids[i]);
3664         }
3665
3666         init_samr_r_query_aliasmem(r_u, num_sids, sid, NT_STATUS_OK);
3667
3668         SAFE_FREE(sids);
3669
3670         return NT_STATUS_OK;
3671 }
3672
3673 /*********************************************************************
3674  _samr_query_groupmem
3675 *********************************************************************/
3676
3677 NTSTATUS _samr_query_groupmem(pipes_struct *p, SAMR_Q_QUERY_GROUPMEM *q_u, SAMR_R_QUERY_GROUPMEM *r_u)
3678 {
3679         DOM_SID group_sid;
3680         fstring group_sid_str;
3681         size_t i, num_members;
3682
3683         uint32 *rid=NULL;
3684         uint32 *attr=NULL;
3685
3686         uint32 acc_granted;
3687
3688         NTSTATUS result;
3689
3690         /* find the policy handle.  open a policy on it. */
3691         if (!get_lsa_policy_samr_sid(p, &q_u->group_pol, &group_sid, &acc_granted, NULL))
3692                 return NT_STATUS_INVALID_HANDLE;
3693
3694         if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, SA_RIGHT_GROUP_GET_MEMBERS, "_samr_query_groupmem"))) {
3695                 return r_u->status;
3696         }
3697
3698         sid_to_string(group_sid_str, &group_sid);
3699         DEBUG(10, ("sid is %s\n", group_sid_str));
3700
3701         if (!sid_check_is_in_our_domain(&group_sid)) {
3702                 DEBUG(3, ("sid %s is not in our domain\n", group_sid_str));
3703                 return NT_STATUS_NO_SUCH_GROUP;
3704         }
3705
3706         DEBUG(10, ("lookup on Domain SID\n"));
3707
3708         become_root();
3709         result = pdb_enum_group_members(p->mem_ctx, &group_sid,
3710                                         &rid, &num_members);
3711         unbecome_root();
3712
3713         if (!NT_STATUS_IS_OK(result))
3714                 return result;
3715
3716         attr=TALLOC_ZERO_ARRAY(p->mem_ctx, uint32, num_members);
3717
3718         if ((num_members!=0) && (rid==NULL))
3719                 return NT_STATUS_NO_MEMORY;
3720
3721         for (i=0; i<num_members; i++)
3722                 attr[i] = SID_NAME_USER;
3723
3724         init_samr_r_query_groupmem(r_u, num_members, rid, attr, NT_STATUS_OK);
3725
3726         return NT_STATUS_OK;
3727 }
3728
3729 /*********************************************************************
3730  _samr_add_aliasmem
3731 *********************************************************************/
3732
3733 NTSTATUS _samr_add_aliasmem(pipes_struct *p, SAMR_Q_ADD_ALIASMEM *q_u, SAMR_R_ADD_ALIASMEM *r_u)
3734 {
3735         DOM_SID alias_sid;
3736         uint32 acc_granted;
3737         SE_PRIV se_rights;
3738         BOOL can_add_accounts;
3739         NTSTATUS ret;
3740         DISP_INFO *disp_info = NULL;
3741
3742         /* Find the policy handle. Open a policy on it. */
3743         if (!get_lsa_policy_samr_sid(p, &q_u->alias_pol, &alias_sid, &acc_granted, &disp_info))
3744                 return NT_STATUS_INVALID_HANDLE;
3745
3746         if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, SA_RIGHT_ALIAS_ADD_MEMBER, "_samr_add_aliasmem"))) {
3747                 return r_u->status;
3748         }
3749
3750         DEBUG(10, ("sid is %s\n", sid_string_static(&alias_sid)));
3751
3752         se_priv_copy( &se_rights, &se_add_users );
3753         can_add_accounts = user_has_privileges( p->pipe_user.nt_user_token, &se_rights );
3754
3755         /******** BEGIN SeAddUsers BLOCK *********/
3756
3757         if ( can_add_accounts )
3758                 become_root();
3759
3760         ret = pdb_add_aliasmem(&alias_sid, &q_u->sid.sid);
3761
3762         if ( can_add_accounts )
3763                 unbecome_root();
3764
3765         /******** END SeAddUsers BLOCK *********/
3766
3767         if (NT_STATUS_IS_OK(ret)) {
3768                 force_flush_samr_cache(disp_info);
3769         }
3770
3771         return ret;
3772 }
3773
3774 /*********************************************************************
3775  _samr_del_aliasmem
3776 *********************************************************************/
3777
3778 NTSTATUS _samr_del_aliasmem(pipes_struct *p, SAMR_Q_DEL_ALIASMEM *q_u, SAMR_R_DEL_ALIASMEM *r_u)
3779 {
3780         DOM_SID alias_sid;
3781         uint32 acc_granted;
3782         SE_PRIV se_rights;
3783         BOOL can_add_accounts;
3784         NTSTATUS ret;
3785         DISP_INFO *disp_info = NULL;
3786
3787         /* Find the policy handle. Open a policy on it. */
3788         if (!get_lsa_policy_samr_sid(p, &q_u->alias_pol, &alias_sid, &acc_granted, &disp_info))
3789                 return NT_STATUS_INVALID_HANDLE;
3790
3791         if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, SA_RIGHT_ALIAS_REMOVE_MEMBER, "_samr_del_aliasmem"))) {
3792                 return r_u->status;
3793         }
3794
3795         DEBUG(10, ("_samr_del_aliasmem:sid is %s\n",
3796                    sid_string_static(&alias_sid)));
3797
3798         se_priv_copy( &se_rights, &se_add_users );
3799         can_add_accounts = user_has_privileges( p->pipe_user.nt_user_token, &se_rights );
3800
3801         /******** BEGIN SeAddUsers BLOCK *********/
3802
3803         if ( can_add_accounts )
3804                 become_root();
3805
3806         ret = pdb_del_aliasmem(&alias_sid, &q_u->sid.sid);
3807
3808         if ( can_add_accounts )
3809                 unbecome_root();
3810
3811         /******** END SeAddUsers BLOCK *********/
3812
3813         if (NT_STATUS_IS_OK(ret)) {
3814                 force_flush_samr_cache(disp_info);
3815         }
3816
3817         return ret;
3818 }
3819
3820 /*********************************************************************
3821  _samr_add_groupmem
3822 *********************************************************************/
3823
3824 NTSTATUS _samr_add_groupmem(pipes_struct *p, SAMR_Q_ADD_GROUPMEM *q_u, SAMR_R_ADD_GROUPMEM *r_u)
3825 {
3826         DOM_SID group_sid;
3827         uint32 group_rid;
3828         uint32 acc_granted;
3829         SE_PRIV se_rights;
3830         BOOL can_add_accounts;
3831         DISP_INFO *disp_info = NULL;
3832
3833         /* Find the policy handle. Open a policy on it. */
3834         if (!get_lsa_policy_samr_sid(p, &q_u->pol, &group_sid, &acc_granted, &disp_info))
3835                 return NT_STATUS_INVALID_HANDLE;
3836
3837         if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, SA_RIGHT_GROUP_ADD_MEMBER, "_samr_add_groupmem"))) {
3838                 return r_u->status;
3839         }
3840
3841         DEBUG(10, ("sid is %s\n", sid_string_static(&group_sid)));
3842
3843         if (!sid_peek_check_rid(get_global_sam_sid(), &group_sid,
3844                                 &group_rid)) {
3845                 return NT_STATUS_INVALID_HANDLE;
3846         }
3847
3848         se_priv_copy( &se_rights, &se_add_users );
3849         can_add_accounts = user_has_privileges( p->pipe_user.nt_user_token, &se_rights );
3850
3851         /******** BEGIN SeAddUsers BLOCK *********/
3852
3853         if ( can_add_accounts )
3854                 become_root();
3855
3856         r_u->status = pdb_add_groupmem(p->mem_ctx, group_rid, q_u->rid);
3857
3858         if ( can_add_accounts )
3859                 unbecome_root();
3860
3861         /******** END SeAddUsers BLOCK *********/
3862
3863         force_flush_samr_cache(disp_info);
3864
3865         return r_u->status;
3866 }
3867
3868 /*********************************************************************
3869  _samr_del_groupmem
3870 *********************************************************************/
3871
3872 NTSTATUS _samr_del_groupmem(pipes_struct *p, SAMR_Q_DEL_GROUPMEM *q_u, SAMR_R_DEL_GROUPMEM *r_u)
3873 {
3874         DOM_SID group_sid;
3875         uint32 group_rid;
3876         uint32 acc_granted;
3877         SE_PRIV se_rights;
3878         BOOL can_add_accounts;
3879         DISP_INFO *disp_info = NULL;
3880
3881         /*
3882          * delete the group member named q_u->rid
3883          * who is a member of the sid associated with the handle
3884          * the rid is a user's rid as the group is a domain group.
3885          */
3886
3887         /* Find the policy handle. Open a policy on it. */
3888         if (!get_lsa_policy_samr_sid(p, &q_u->pol, &group_sid, &acc_granted, &disp_info))
3889                 return NT_STATUS_INVALID_HANDLE;
3890
3891         if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, SA_RIGHT_GROUP_REMOVE_MEMBER, "_samr_del_groupmem"))) {
3892                 return r_u->status;
3893         }
3894
3895         if (!sid_peek_check_rid(get_global_sam_sid(), &group_sid,
3896                                 &group_rid)) {
3897                 return NT_STATUS_INVALID_HANDLE;
3898         }
3899
3900         se_priv_copy( &se_rights, &se_add_users );
3901         can_add_accounts = user_has_privileges( p->pipe_user.nt_user_token, &se_rights );
3902
3903         /******** BEGIN SeAddUsers BLOCK *********/
3904
3905         if ( can_add_accounts )
3906                 become_root();
3907
3908         r_u->status = pdb_del_groupmem(p->mem_ctx, group_rid, q_u->rid);
3909
3910         if ( can_add_accounts )
3911                 unbecome_root();
3912
3913         /******** END SeAddUsers BLOCK *********/
3914
3915         force_flush_samr_cache(disp_info);
3916
3917         return r_u->status;
3918 }
3919
3920 /*********************************************************************
3921  _samr_delete_dom_user
3922 *********************************************************************/
3923
3924 NTSTATUS _samr_delete_dom_user(pipes_struct *p, SAMR_Q_DELETE_DOM_USER *q_u, SAMR_R_DELETE_DOM_USER *r_u )
3925 {
3926         DOM_SID user_sid;
3927         struct samu *sam_pass=NULL;
3928         uint32 acc_granted;
3929         BOOL can_add_accounts;
3930         DISP_INFO *disp_info = NULL;
3931
3932         DEBUG(5, ("_samr_delete_dom_user: %d\n", __LINE__));
3933
3934         /* Find the policy handle. Open a policy on it. */
3935         if (!get_lsa_policy_samr_sid(p, &q_u->user_pol, &user_sid, &acc_granted, &disp_info))
3936                 return NT_STATUS_INVALID_HANDLE;
3937
3938         if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, STD_RIGHT_DELETE_ACCESS, "_samr_delete_dom_user"))) {
3939                 return r_u->status;
3940         }
3941
3942         if (!sid_check_is_in_our_domain(&user_sid))
3943                 return NT_STATUS_CANNOT_DELETE;
3944
3945         /* check if the user exists before trying to delete */
3946         if ( !(sam_pass = samu_new( NULL )) ) {
3947                 return NT_STATUS_NO_MEMORY;
3948         }
3949
3950         if(!pdb_getsampwsid(sam_pass, &user_sid)) {
3951                 DEBUG(5,("_samr_delete_dom_user:User %s doesn't exist.\n",
3952                         sid_string_static(&user_sid)));
3953                 TALLOC_FREE(sam_pass);
3954                 return NT_STATUS_NO_SUCH_USER;
3955         }
3956
3957         can_add_accounts = user_has_privileges( p->pipe_user.nt_user_token, &se_add_users );
3958
3959         /******** BEGIN SeAddUsers BLOCK *********/
3960
3961         if ( can_add_accounts )
3962                 become_root();
3963
3964         r_u->status = pdb_delete_user(p->mem_ctx, sam_pass);
3965
3966         if ( can_add_accounts )
3967                 unbecome_root();
3968
3969         /******** END SeAddUsers BLOCK *********/
3970
3971         if ( !NT_STATUS_IS_OK(r_u->status) ) {
3972                 DEBUG(5,("_samr_delete_dom_user: Failed to delete entry for "
3973                          "user %s: %s.\n", pdb_get_username(sam_pass),
3974                          nt_errstr(r_u->status)));
3975                 TALLOC_FREE(sam_pass);
3976                 return r_u->status;
3977         }
3978
3979
3980         TALLOC_FREE(sam_pass);
3981
3982         if (!close_policy_hnd(p, &q_u->user_pol))
3983                 return NT_STATUS_OBJECT_NAME_INVALID;
3984
3985         force_flush_samr_cache(disp_info);
3986
3987         return NT_STATUS_OK;
3988 }
3989
3990 /*********************************************************************
3991  _samr_delete_dom_group
3992 *********************************************************************/
3993
3994 NTSTATUS _samr_delete_dom_group(pipes_struct *p, SAMR_Q_DELETE_DOM_GROUP *q_u, SAMR_R_DELETE_DOM_GROUP *r_u)
3995 {
3996         DOM_SID group_sid;
3997         uint32 group_rid;
3998         uint32 acc_granted;
3999         SE_PRIV se_rights;
4000         BOOL can_add_accounts;
4001         DISP_INFO *disp_info = NULL;
4002
4003         DEBUG(5, ("samr_delete_dom_group: %d\n", __LINE__));
4004
4005         /* Find the policy handle. Open a policy on it. */
4006         if (!get_lsa_policy_samr_sid(p, &q_u->group_pol, &group_sid, &acc_granted, &disp_info))
4007                 return NT_STATUS_INVALID_HANDLE;
4008
4009         if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, STD_RIGHT_DELETE_ACCESS, "_samr_delete_dom_group"))) {
4010                 return r_u->status;
4011         }
4012
4013         DEBUG(10, ("sid is %s\n", sid_string_static(&group_sid)));
4014
4015         if (!sid_peek_check_rid(get_global_sam_sid(), &group_sid,
4016                                 &group_rid)) {
4017                 return NT_STATUS_NO_SUCH_GROUP;
4018         }
4019
4020         se_priv_copy( &se_rights, &se_add_users );
4021         can_add_accounts = user_has_privileges( p->pipe_user.nt_user_token, &se_rights );
4022
4023         /******** BEGIN SeAddUsers BLOCK *********/
4024
4025         if ( can_add_accounts )
4026                 become_root();
4027
4028         r_u->status = pdb_delete_dom_group(p->mem_ctx, group_rid);
4029
4030         if ( can_add_accounts )
4031                 unbecome_root();
4032
4033         /******** END SeAddUsers BLOCK *********/
4034
4035         if ( !NT_STATUS_IS_OK(r_u->status) ) {
4036                 DEBUG(5,("_samr_delete_dom_group: Failed to delete mapping "
4037                          "entry for group %s: %s\n",
4038                          sid_string_static(&group_sid),
4039                          nt_errstr(r_u->status)));
4040                 return r_u->status;
4041         }
4042
4043         if (!close_policy_hnd(p, &q_u->group_pol))
4044                 return NT_STATUS_OBJECT_NAME_INVALID;
4045
4046         force_flush_samr_cache(disp_info);
4047
4048         return NT_STATUS_OK;
4049 }
4050
4051 /*********************************************************************
4052  _samr_delete_dom_alias
4053 *********************************************************************/
4054
4055 NTSTATUS _samr_delete_dom_alias(pipes_struct *p, SAMR_Q_DELETE_DOM_ALIAS *q_u, SAMR_R_DELETE_DOM_ALIAS *r_u)
4056 {
4057         DOM_SID alias_sid;
4058         uint32 acc_granted;
4059         SE_PRIV se_rights;
4060         BOOL can_add_accounts;
4061         BOOL ret;
4062         DISP_INFO *disp_info = NULL;
4063
4064         DEBUG(5, ("_samr_delete_dom_alias: %d\n", __LINE__));
4065
4066         /* Find the policy handle. Open a policy on it. */
4067         if (!get_lsa_policy_samr_sid(p, &q_u->alias_pol, &alias_sid, &acc_granted, &disp_info))
4068                 return NT_STATUS_INVALID_HANDLE;
4069
4070         if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, STD_RIGHT_DELETE_ACCESS, "_samr_delete_dom_alias"))) {
4071                 return r_u->status;
4072         }
4073
4074         DEBUG(10, ("sid is %s\n", sid_string_static(&alias_sid)));
4075
4076         if (!sid_check_is_in_our_domain(&alias_sid))
4077                 return NT_STATUS_NO_SUCH_ALIAS;
4078
4079         DEBUG(10, ("lookup on Local SID\n"));
4080
4081         se_priv_copy( &se_rights, &se_add_users );
4082         can_add_accounts = user_has_privileges( p->pipe_user.nt_user_token, &se_rights );
4083
4084         /******** BEGIN SeAddUsers BLOCK *********/
4085
4086         if ( can_add_accounts )
4087                 become_root();
4088
4089         /* Have passdb delete the alias */
4090         ret = pdb_delete_alias(&alias_sid);
4091
4092         if ( can_add_accounts )
4093                 unbecome_root();
4094
4095         /******** END SeAddUsers BLOCK *********/
4096
4097         if ( !ret )
4098                 return NT_STATUS_ACCESS_DENIED;
4099
4100         if (!close_policy_hnd(p, &q_u->alias_pol))
4101                 return NT_STATUS_OBJECT_NAME_INVALID;
4102
4103         force_flush_samr_cache(disp_info);
4104
4105         return NT_STATUS_OK;
4106 }
4107
4108 /*********************************************************************
4109  _samr_create_dom_group
4110 *********************************************************************/
4111
4112 NTSTATUS _samr_create_dom_group(pipes_struct *p, SAMR_Q_CREATE_DOM_GROUP *q_u, SAMR_R_CREATE_DOM_GROUP *r_u)
4113 {
4114         DOM_SID dom_sid;
4115         DOM_SID info_sid;
4116         const char *name;
4117         struct samr_info *info;
4118         uint32 acc_granted;
4119         SE_PRIV se_rights;
4120         BOOL can_add_accounts;
4121         DISP_INFO *disp_info = NULL;
4122
4123         /* Find the policy handle. Open a policy on it. */
4124         if (!get_lsa_policy_samr_sid(p, &q_u->pol, &dom_sid, &acc_granted, &disp_info))
4125                 return NT_STATUS_INVALID_HANDLE;
4126
4127         if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, SA_RIGHT_DOMAIN_CREATE_GROUP, "_samr_create_dom_group"))) {
4128                 return r_u->status;
4129         }
4130
4131         if (!sid_equal(&dom_sid, get_global_sam_sid()))
4132                 return NT_STATUS_ACCESS_DENIED;
4133
4134         name = rpcstr_pull_unistr2_talloc(p->mem_ctx, &q_u->uni_acct_desc);
4135         if (name == NULL) {
4136                 return NT_STATUS_NO_MEMORY;
4137         }
4138
4139         r_u->status = can_create(p->mem_ctx, name);
4140         if (!NT_STATUS_IS_OK(r_u->status)) {
4141                 return r_u->status;
4142         }
4143
4144         se_priv_copy( &se_rights, &se_add_users );
4145         can_add_accounts = user_has_privileges( p->pipe_user.nt_user_token, &se_rights );
4146
4147         /******** BEGIN SeAddUsers BLOCK *********/
4148
4149         if ( can_add_accounts )
4150                 become_root();
4151
4152         /* check that we successfully create the UNIX group */
4153
4154         r_u->status = pdb_create_dom_group(p->mem_ctx, name, &r_u->rid);
4155
4156         if ( can_add_accounts )
4157                 unbecome_root();
4158
4159         /******** END SeAddUsers BLOCK *********/
4160
4161         /* check if we should bail out here */
4162
4163         if ( !NT_STATUS_IS_OK(r_u->status) )
4164                 return r_u->status;
4165
4166         sid_compose(&info_sid, get_global_sam_sid(), r_u->rid);
4167
4168         if ((info = get_samr_info_by_sid(&info_sid)) == NULL)
4169                 return NT_STATUS_NO_MEMORY;
4170
4171         /* they created it; let the user do what he wants with it */
4172
4173         info->acc_granted = GENERIC_RIGHTS_GROUP_ALL_ACCESS;
4174
4175         /* get a (unique) handle.  open a policy on it. */
4176         if (!create_policy_hnd(p, &r_u->pol, free_samr_info, (void *)info))
4177                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
4178
4179         force_flush_samr_cache(disp_info);
4180
4181         return NT_STATUS_OK;
4182 }
4183
4184 /*********************************************************************
4185  _samr_create_dom_alias
4186 *********************************************************************/
4187
4188 NTSTATUS _samr_create_dom_alias(pipes_struct *p, SAMR_Q_CREATE_DOM_ALIAS *q_u, SAMR_R_CREATE_DOM_ALIAS *r_u)
4189 {
4190         DOM_SID dom_sid;
4191         DOM_SID info_sid;
4192         fstring name;
4193         struct samr_info *info;
4194         uint32 acc_granted;
4195         gid_t gid;
4196         NTSTATUS result;
4197         SE_PRIV se_rights;
4198         BOOL can_add_accounts;
4199         DISP_INFO *disp_info = NULL;
4200
4201         /* Find the policy handle. Open a policy on it. */
4202         if (!get_lsa_policy_samr_sid(p, &q_u->dom_pol, &dom_sid, &acc_granted, &disp_info))
4203                 return NT_STATUS_INVALID_HANDLE;
4204
4205         if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, SA_RIGHT_DOMAIN_CREATE_ALIAS, "_samr_create_alias"))) {
4206                 return r_u->status;
4207         }
4208
4209         if (!sid_equal(&dom_sid, get_global_sam_sid()))
4210                 return NT_STATUS_ACCESS_DENIED;
4211
4212         unistr2_to_ascii(name, &q_u->uni_acct_desc, sizeof(name)-1);
4213
4214         se_priv_copy( &se_rights, &se_add_users );
4215         can_add_accounts = user_has_privileges( p->pipe_user.nt_user_token, &se_rights );
4216
4217         result = can_create(p->mem_ctx, name);
4218         if (!NT_STATUS_IS_OK(result)) {
4219                 return result;
4220         }
4221
4222         /******** BEGIN SeAddUsers BLOCK *********/
4223
4224         if ( can_add_accounts )
4225                 become_root();
4226
4227         /* Have passdb create the alias */
4228         result = pdb_create_alias(name, &r_u->rid);
4229
4230         if ( can_add_accounts )
4231                 unbecome_root();
4232
4233         /******** END SeAddUsers BLOCK *********/
4234
4235         if (!NT_STATUS_IS_OK(result)) {
4236                 DEBUG(10, ("pdb_create_alias failed: %s\n",
4237                            nt_errstr(result)));
4238                 return result;
4239         }
4240
4241         sid_copy(&info_sid, get_global_sam_sid());
4242         sid_append_rid(&info_sid, r_u->rid);
4243
4244         if (!sid_to_gid(&info_sid, &gid)) {
4245                 DEBUG(10, ("Could not find alias just created\n"));
4246                 return NT_STATUS_ACCESS_DENIED;
4247         }
4248
4249         /* check if the group has been successfully created */
4250         if ( getgrgid(gid) == NULL ) {
4251                 DEBUG(10, ("getgrgid(%d) of just created alias failed\n",
4252                            gid));
4253                 return NT_STATUS_ACCESS_DENIED;
4254         }
4255
4256         if ((info = get_samr_info_by_sid(&info_sid)) == NULL)
4257                 return NT_STATUS_NO_MEMORY;
4258
4259         /* they created it; let the user do what he wants with it */
4260
4261         info->acc_granted = GENERIC_RIGHTS_ALIAS_ALL_ACCESS;
4262
4263         /* get a (unique) handle.  open a policy on it. */
4264         if (!create_policy_hnd(p, &r_u->alias_pol, free_samr_info, (void *)info))
4265                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
4266
4267         force_flush_samr_cache(disp_info);
4268
4269         return NT_STATUS_OK;
4270 }
4271
4272 /*********************************************************************
4273  _samr_query_groupinfo
4274
4275 sends the name/comment pair of a domain group
4276 level 1 send also the number of users of that group
4277 *********************************************************************/
4278
4279 NTSTATUS _samr_query_groupinfo(pipes_struct *p, SAMR_Q_QUERY_GROUPINFO *q_u, SAMR_R_QUERY_GROUPINFO *r_u)
4280 {
4281         DOM_SID group_sid;
4282         GROUP_MAP map;
4283         GROUP_INFO_CTR *ctr;
4284         uint32 acc_granted;
4285         BOOL ret;
4286
4287         if (!get_lsa_policy_samr_sid(p, &q_u->pol, &group_sid, &acc_granted, NULL))
4288                 return NT_STATUS_INVALID_HANDLE;
4289
4290         if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, SA_RIGHT_GROUP_LOOKUP_INFO, "_samr_query_groupinfo"))) {
4291                 return r_u->status;
4292         }
4293
4294         become_root();
4295         ret = get_domain_group_from_sid(group_sid, &map);
4296         unbecome_root();
4297         if (!ret)
4298                 return NT_STATUS_INVALID_HANDLE;
4299
4300         ctr=TALLOC_ZERO_P(p->mem_ctx, GROUP_INFO_CTR);
4301         if (ctr==NULL)
4302                 return NT_STATUS_NO_MEMORY;
4303
4304         switch (q_u->switch_level) {
4305                 case 1: {
4306                         uint32 *members;
4307                         size_t num_members;
4308
4309                         ctr->switch_value1 = 1;
4310
4311                         become_root();
4312                         r_u->status = pdb_enum_group_members(
4313                                 p->mem_ctx, &group_sid, &members, &num_members);
4314                         unbecome_root();
4315
4316                         if (!NT_STATUS_IS_OK(r_u->status)) {
4317                                 return r_u->status;
4318                         }
4319
4320                         init_samr_group_info1(&ctr->group.info1, map.nt_name,
4321                                       map.comment, num_members);
4322                         break;
4323                 }
4324                 case 3:
4325                         ctr->switch_value1 = 3;
4326                         init_samr_group_info3(&ctr->group.info3);
4327                         break;
4328                 case 4:
4329                         ctr->switch_value1 = 4;
4330                         init_samr_group_info4(&ctr->group.info4, map.comment);
4331                         break;
4332                 default:
4333                         return NT_STATUS_INVALID_INFO_CLASS;
4334         }
4335
4336         init_samr_r_query_groupinfo(r_u, ctr, NT_STATUS_OK);
4337
4338         return NT_STATUS_OK;
4339 }
4340
4341 /*********************************************************************
4342  _samr_set_groupinfo
4343
4344  update a domain group's comment.
4345 *********************************************************************/
4346
4347 NTSTATUS _samr_set_groupinfo(pipes_struct *p, SAMR_Q_SET_GROUPINFO *q_u, SAMR_R_SET_GROUPINFO *r_u)
4348 {
4349         DOM_SID group_sid;
4350         GROUP_MAP map;
4351         GROUP_INFO_CTR *ctr;
4352         uint32 acc_granted;
4353         NTSTATUS ret;
4354         BOOL result;
4355         BOOL can_mod_accounts;
4356         DISP_INFO *disp_info = NULL;
4357
4358         if (!get_lsa_policy_samr_sid(p, &q_u->pol, &group_sid, &acc_granted, &disp_info))
4359                 return NT_STATUS_INVALID_HANDLE;
4360
4361         if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, SA_RIGHT_GROUP_SET_INFO, "_samr_set_groupinfo"))) {
4362                 return r_u->status;
4363         }
4364
4365         become_root();
4366         result = get_domain_group_from_sid(group_sid, &map);
4367         unbecome_root();
4368         if (!result)
4369                 return NT_STATUS_NO_SUCH_GROUP;
4370
4371         ctr=q_u->ctr;
4372
4373         switch (ctr->switch_value1) {
4374                 case 1:
4375                         unistr2_to_ascii(map.comment, &(ctr->group.info1.uni_acct_desc), sizeof(map.comment)-1);
4376                         break;
4377                 case 4:
4378                         unistr2_to_ascii(map.comment, &(ctr->group.info4.uni_acct_desc), sizeof(map.comment)-1);
4379                         break;
4380                 default:
4381                         return NT_STATUS_INVALID_INFO_CLASS;
4382         }
4383
4384         can_mod_accounts = user_has_privileges( p->pipe_user.nt_user_token, &se_add_users );
4385
4386         /******** BEGIN SeAddUsers BLOCK *********/
4387
4388         if ( can_mod_accounts )
4389                 become_root();
4390
4391         ret = pdb_update_group_mapping_entry(&map);
4392
4393         if ( can_mod_accounts )
4394                 unbecome_root();
4395
4396         /******** End SeAddUsers BLOCK *********/
4397
4398         if (NT_STATUS_IS_OK(ret)) {
4399                 force_flush_samr_cache(disp_info);
4400         }
4401
4402         return ret;
4403 }
4404
4405 /*********************************************************************
4406  _samr_set_aliasinfo
4407
4408  update an alias's comment.
4409 *********************************************************************/
4410
4411 NTSTATUS _samr_set_aliasinfo(pipes_struct *p, SAMR_Q_SET_ALIASINFO *q_u, SAMR_R_SET_ALIASINFO *r_u)
4412 {
4413         DOM_SID group_sid;
4414         struct acct_info info;
4415         ALIAS_INFO_CTR *ctr;
4416         uint32 acc_granted;
4417         BOOL ret;
4418         BOOL can_mod_accounts;
4419         DISP_INFO *disp_info = NULL;
4420
4421         if (!get_lsa_policy_samr_sid(p, &q_u->alias_pol, &group_sid, &acc_granted, &disp_info))
4422                 return NT_STATUS_INVALID_HANDLE;
4423
4424         if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, SA_RIGHT_ALIAS_SET_INFO, "_samr_set_aliasinfo"))) {
4425                 return r_u->status;
4426         }
4427
4428         ctr=&q_u->ctr;
4429
4430         switch (ctr->level) {
4431                 case 3:
4432                         if ( ctr->alias.info3.description.string ) {
4433                                 unistr2_to_ascii( info.acct_desc,
4434                                         ctr->alias.info3.description.string,
4435                                         sizeof(info.acct_desc)-1 );
4436                         }
4437                         else
4438                                 fstrcpy( info.acct_desc, "" );
4439                         break;
4440                 default:
4441                         return NT_STATUS_INVALID_INFO_CLASS;
4442         }
4443
4444         can_mod_accounts = user_has_privileges( p->pipe_user.nt_user_token, &se_add_users );
4445
4446         /******** BEGIN SeAddUsers BLOCK *********/
4447
4448         if ( can_mod_accounts )
4449                 become_root();
4450
4451         ret = pdb_set_aliasinfo( &group_sid, &info );
4452
4453         if ( can_mod_accounts )
4454                 unbecome_root();
4455
4456         /******** End SeAddUsers BLOCK *********/
4457
4458         if (ret) {
4459                 force_flush_samr_cache(disp_info);
4460         }
4461
4462         return ret ? NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
4463 }
4464
4465 /*********************************************************************
4466  _samr_get_dom_pwinfo
4467 *********************************************************************/
4468
4469 NTSTATUS _samr_get_dom_pwinfo(pipes_struct *p, SAMR_Q_GET_DOM_PWINFO *q_u, SAMR_R_GET_DOM_PWINFO *r_u)
4470 {
4471         /* Perform access check.  Since this rpc does not require a
4472            policy handle it will not be caught by the access checks on
4473            SAMR_CONNECT or SAMR_CONNECT_ANON. */
4474
4475         if (!pipe_access_check(p)) {
4476                 DEBUG(3, ("access denied to samr_get_dom_pwinfo\n"));
4477                 r_u->status = NT_STATUS_ACCESS_DENIED;
4478                 return r_u->status;
4479         }
4480
4481         /* Actually, returning zeros here works quite well :-). */
4482
4483         return NT_STATUS_OK;
4484 }
4485
4486 /*********************************************************************
4487  _samr_open_group
4488 *********************************************************************/
4489
4490 NTSTATUS _samr_open_group(pipes_struct *p, SAMR_Q_OPEN_GROUP *q_u, SAMR_R_OPEN_GROUP *r_u)
4491 {
4492         DOM_SID sid;
4493         DOM_SID info_sid;
4494         GROUP_MAP map;
4495         struct samr_info *info;
4496         SEC_DESC         *psd = NULL;
4497         uint32            acc_granted;
4498         uint32            des_access = q_u->access_mask;
4499         size_t            sd_size;
4500         NTSTATUS          status;
4501         fstring sid_string;
4502         BOOL ret;
4503         SE_PRIV se_rights;
4504
4505         if (!get_lsa_policy_samr_sid(p, &q_u->domain_pol, &sid, &acc_granted, NULL))
4506                 return NT_STATUS_INVALID_HANDLE;
4507
4508         status = access_check_samr_function(acc_granted,
4509                 SA_RIGHT_DOMAIN_OPEN_ACCOUNT, "_samr_open_group");
4510
4511         if ( !NT_STATUS_IS_OK(status) )
4512                 return status;
4513
4514         /*check if access can be granted as requested by client. */
4515         make_samr_object_sd(p->mem_ctx, &psd, &sd_size, &grp_generic_mapping, NULL, 0);
4516         se_map_generic(&des_access,&grp_generic_mapping);
4517
4518         se_priv_copy( &se_rights, &se_add_users );
4519
4520         status = access_check_samr_object(psd, p->pipe_user.nt_user_token,
4521                 &se_rights, GENERIC_RIGHTS_GROUP_WRITE, des_access,
4522                 &acc_granted, "_samr_open_group");
4523
4524         if ( !NT_STATUS_IS_OK(status) )
4525                 return status;
4526
4527         /* this should not be hard-coded like this */
4528
4529         if (!sid_equal(&sid, get_global_sam_sid()))
4530                 return NT_STATUS_ACCESS_DENIED;
4531
4532         sid_copy(&info_sid, get_global_sam_sid());
4533         sid_append_rid(&info_sid, q_u->rid_group);
4534         sid_to_string(sid_string, &info_sid);
4535
4536         if ((info = get_samr_info_by_sid(&info_sid)) == NULL)
4537                 return NT_STATUS_NO_MEMORY;
4538
4539         info->acc_granted = acc_granted;
4540
4541         DEBUG(10, ("_samr_open_group:Opening SID: %s\n", sid_string));
4542
4543         /* check if that group really exists */
4544         become_root();
4545         ret = get_domain_group_from_sid(info->sid, &map);
4546         unbecome_root();
4547         if (!ret)
4548                 return NT_STATUS_NO_SUCH_GROUP;
4549
4550         /* get a (unique) handle.  open a policy on it. */
4551         if (!create_policy_hnd(p, &r_u->pol, free_samr_info, (void *)info))
4552                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
4553
4554         return NT_STATUS_OK;
4555 }
4556
4557 /*********************************************************************
4558  _samr_remove_sid_foreign_domain
4559 *********************************************************************/
4560
4561 NTSTATUS _samr_remove_sid_foreign_domain(pipes_struct *p,
4562                                           SAMR_Q_REMOVE_SID_FOREIGN_DOMAIN *q_u,
4563                                           SAMR_R_REMOVE_SID_FOREIGN_DOMAIN *r_u)
4564 {
4565         DOM_SID                 delete_sid, domain_sid;
4566         uint32                  acc_granted;
4567         NTSTATUS                result;
4568         DISP_INFO *disp_info = NULL;
4569
4570         sid_copy( &delete_sid, &q_u->sid.sid );
4571
4572         DEBUG(5,("_samr_remove_sid_foreign_domain: removing SID [%s]\n",
4573                 sid_string_static(&delete_sid)));
4574
4575         /* Find the policy handle. Open a policy on it. */
4576
4577         if (!get_lsa_policy_samr_sid(p, &q_u->dom_pol, &domain_sid,
4578                                      &acc_granted, &disp_info))
4579                 return NT_STATUS_INVALID_HANDLE;
4580
4581         result = access_check_samr_function(acc_granted, STD_RIGHT_DELETE_ACCESS,
4582                 "_samr_remove_sid_foreign_domain");
4583
4584         if (!NT_STATUS_IS_OK(result))
4585                 return result;
4586
4587         DEBUG(8, ("_samr_remove_sid_foreign_domain:sid is %s\n",
4588                 sid_string_static(&domain_sid)));
4589
4590         /* we can only delete a user from a group since we don't have
4591            nested groups anyways.  So in the latter case, just say OK */
4592
4593         /* TODO: The above comment nowadays is bogus. Since we have nested
4594          * groups now, and aliases members are never reported out of the unix
4595          * group membership, the "just say OK" makes this call a no-op. For
4596          * us. This needs fixing however. */
4597
4598         /* I've only ever seen this in the wild when deleting a user from
4599          * usrmgr.exe. domain_sid is the builtin domain, and the sid to delete
4600          * is the user about to be deleted. I very much suspect this is the
4601          * only application of this call. To verify this, let people report
4602          * other cases. */
4603
4604         if (!sid_check_is_builtin(&domain_sid)) {
4605                 DEBUG(1,("_samr_remove_sid_foreign_domain: domain_sid = %s, "
4606                          "global_sam_sid() = %s\n",
4607                          sid_string_static(&domain_sid),
4608                          sid_string_static(get_global_sam_sid())));
4609                 DEBUGADD(1,("please report to samba-technical@samba.org!\n"));
4610                 return NT_STATUS_OK;
4611         }
4612
4613         force_flush_samr_cache(disp_info);
4614
4615         result = NT_STATUS_OK;
4616
4617         return result;
4618 }
4619
4620 /*******************************************************************
4621  _samr_query_domain_info2
4622  ********************************************************************/
4623
4624 NTSTATUS _samr_query_domain_info2(pipes_struct *p,
4625                 SAMR_Q_QUERY_DOMAIN_INFO2 *q_u,
4626                 SAMR_R_QUERY_DOMAIN_INFO2 *r_u)
4627 {
4628         struct samr_info *info = NULL;
4629         SAM_UNK_CTR *ctr;
4630         uint32 min_pass_len,pass_hist,password_properties;
4631         time_t u_expire, u_min_age;
4632         NTTIME nt_expire, nt_min_age;
4633
4634         time_t u_lock_duration, u_reset_time;
4635         NTTIME nt_lock_duration, nt_reset_time;
4636         uint32 lockout;
4637
4638         time_t u_logout;
4639         NTTIME nt_logout;
4640
4641         uint32 num_users=0, num_groups=0, num_aliases=0;
4642
4643         uint32 account_policy_temp;
4644
4645         time_t seq_num;
4646         uint32 server_role;
4647
4648         if ((ctr = TALLOC_ZERO_P(p->mem_ctx, SAM_UNK_CTR)) == NULL)
4649                 return NT_STATUS_NO_MEMORY;
4650
4651         ZERO_STRUCTP(ctr);
4652
4653         r_u->status = NT_STATUS_OK;
4654
4655         DEBUG(5,("_samr_query_domain_info2: %d\n", __LINE__));
4656
4657         /* find the policy handle.  open a policy on it. */
4658         if (!find_policy_by_hnd(p, &q_u->domain_pol, (void **)(void *)&info))
4659                 return NT_STATUS_INVALID_HANDLE;
4660
4661         switch (q_u->switch_value) {
4662                 case 0x01:
4663                         pdb_get_account_policy(AP_MIN_PASSWORD_LEN, &account_policy_temp);
4664                         min_pass_len = account_policy_temp;
4665
4666                         pdb_get_account_policy(AP_PASSWORD_HISTORY, &account_policy_temp);
4667                         pass_hist = account_policy_temp;
4668
4669                         pdb_get_account_policy(AP_USER_MUST_LOGON_TO_CHG_PASS, &account_policy_temp);
4670                         password_properties = account_policy_temp;
4671
4672                         pdb_get_account_policy(AP_MAX_PASSWORD_AGE, &account_policy_temp);
4673                         u_expire = account_policy_temp;
4674
4675                         pdb_get_account_policy(AP_MIN_PASSWORD_AGE, &account_policy_temp);
4676                         u_min_age = account_policy_temp;
4677
4678                         unix_to_nt_time_abs(&nt_expire, u_expire);
4679                         unix_to_nt_time_abs(&nt_min_age, u_min_age);
4680
4681                         init_unk_info1(&ctr->info.inf1, (uint16)min_pass_len, (uint16)pass_hist,
4682                                        password_properties, nt_expire, nt_min_age);
4683                         break;
4684                 case 0x02:
4685                         become_root();
4686                         num_users = count_sam_users(info->disp_info, ACB_NORMAL);
4687                         num_groups = count_sam_groups(info->disp_info);
4688                         num_aliases = count_sam_aliases(info->disp_info);
4689                         unbecome_root();
4690
4691                         pdb_get_account_policy(AP_TIME_TO_LOGOUT, &account_policy_temp);
4692                         u_logout = account_policy_temp;
4693
4694                         unix_to_nt_time_abs(&nt_logout, u_logout);
4695
4696                         if (!pdb_get_seq_num(&seq_num))
4697                                 seq_num = time(NULL);
4698
4699                         server_role = ROLE_DOMAIN_PDC;
4700                         if (lp_server_role() == ROLE_DOMAIN_BDC)
4701                                 server_role = ROLE_DOMAIN_BDC;
4702
4703                         init_unk_info2(&ctr->info.inf2, lp_serverstring(), lp_workgroup(), global_myname(), seq_num,
4704                                        num_users, num_groups, num_aliases, nt_logout, server_role);
4705                         break;
4706                 case 0x03:
4707                         pdb_get_account_policy(AP_TIME_TO_LOGOUT, &account_policy_temp);
4708                         u_logout = account_policy_temp;
4709
4710                         unix_to_nt_time_abs(&nt_logout, u_logout);
4711
4712                         init_unk_info3(&ctr->info.inf3, nt_logout);
4713                         break;
4714                 case 0x05:
4715                         init_unk_info5(&ctr->info.inf5, global_myname());
4716                         break;
4717                 case 0x06:
4718                         init_unk_info6(&ctr->info.inf6);
4719                         break;
4720                 case 0x07:
4721                         server_role = ROLE_DOMAIN_PDC;
4722                         if (lp_server_role() == ROLE_DOMAIN_BDC)
4723                                 server_role = ROLE_DOMAIN_BDC;
4724
4725                         init_unk_info7(&ctr->info.inf7, server_role);
4726                         break;
4727                 case 0x08:
4728                         if (!pdb_get_seq_num(&seq_num))
4729                                 seq_num = time(NULL);
4730
4731                         init_unk_info8(&ctr->info.inf8, (uint32) seq_num);
4732                         break;
4733                 case 0x0c:
4734                         pdb_get_account_policy(AP_LOCK_ACCOUNT_DURATION, &account_policy_temp);
4735                         u_lock_duration = account_policy_temp;
4736                         if (u_lock_duration != -1)
4737                                 u_lock_duration *= 60;
4738
4739                         pdb_get_account_policy(AP_RESET_COUNT_TIME, &account_policy_temp);
4740                         u_reset_time = account_policy_temp * 60;
4741
4742                         pdb_get_account_policy(AP_BAD_ATTEMPT_LOCKOUT, &account_policy_temp);
4743                         lockout = account_policy_temp;
4744
4745                         unix_to_nt_time_abs(&nt_lock_duration, u_lock_duration);
4746                         unix_to_nt_time_abs(&nt_reset_time, u_reset_time);
4747
4748                         init_unk_info12(&ctr->info.inf12, nt_lock_duration, nt_reset_time, (uint16)lockout);
4749                         break;
4750                 default:
4751                         return NT_STATUS_INVALID_INFO_CLASS;
4752         }
4753
4754         init_samr_r_samr_query_domain_info2(r_u, q_u->switch_value, ctr, NT_STATUS_OK);
4755
4756         DEBUG(5,("_samr_query_domain_info2: %d\n", __LINE__));
4757
4758         return r_u->status;
4759 }
4760
4761 /*******************************************************************
4762  _samr_
4763  ********************************************************************/
4764
4765 NTSTATUS _samr_set_dom_info(pipes_struct *p, SAMR_Q_SET_DOMAIN_INFO *q_u, SAMR_R_SET_DOMAIN_INFO *r_u)
4766 {
4767         time_t u_expire, u_min_age;
4768         time_t u_logout;
4769         time_t u_lock_duration, u_reset_time;
4770
4771         r_u->status = NT_STATUS_OK;
4772
4773         DEBUG(5,("_samr_set_dom_info: %d\n", __LINE__));
4774
4775         /* find the policy handle.  open a policy on it. */
4776         if (!find_policy_by_hnd(p, &q_u->domain_pol, NULL))
4777                 return NT_STATUS_INVALID_HANDLE;
4778
4779         DEBUG(5,("_samr_set_dom_info: switch_value: %d\n", q_u->switch_value));
4780
4781         switch (q_u->switch_value) {
4782                 case 0x01:
4783                         u_expire=nt_time_to_unix_abs(&q_u->ctr->info.inf1.expire);
4784                         u_min_age=nt_time_to_unix_abs(&q_u->ctr->info.inf1.min_passwordage);
4785
4786                         pdb_set_account_policy(AP_MIN_PASSWORD_LEN, (uint32)q_u->ctr->info.inf1.min_length_password);
4787                         pdb_set_account_policy(AP_PASSWORD_HISTORY, (uint32)q_u->ctr->info.inf1.password_history);
4788                         pdb_set_account_policy(AP_USER_MUST_LOGON_TO_CHG_PASS, (uint32)q_u->ctr->info.inf1.password_properties);
4789                         pdb_set_account_policy(AP_MAX_PASSWORD_AGE, (int)u_expire);
4790                         pdb_set_account_policy(AP_MIN_PASSWORD_AGE, (int)u_min_age);
4791                         break;
4792                 case 0x02:
4793                         break;
4794                 case 0x03:
4795                         u_logout=nt_time_to_unix_abs(&q_u->ctr->info.inf3.logout);
4796                         pdb_set_account_policy(AP_TIME_TO_LOGOUT, (int)u_logout);
4797                         break;
4798                 case 0x05:
4799                         break;
4800                 case 0x06:
4801                         break;
4802                 case 0x07:
4803                         break;
4804                 case 0x0c:
4805                         u_lock_duration=nt_time_to_unix_abs(&q_u->ctr->info.inf12.duration);
4806                         if (u_lock_duration != -1)
4807                                 u_lock_duration /= 60;
4808
4809                         u_reset_time=nt_time_to_unix_abs(&q_u->ctr->info.inf12.reset_count)/60;
4810
4811                         pdb_set_account_policy(AP_LOCK_ACCOUNT_DURATION, (int)u_lock_duration);
4812                         pdb_set_account_policy(AP_RESET_COUNT_TIME, (int)u_reset_time);
4813                         pdb_set_account_policy(AP_BAD_ATTEMPT_LOCKOUT, (uint32)q_u->ctr->info.inf12.bad_attempt_lockout);
4814                         break;
4815                 default:
4816                         return NT_STATUS_INVALID_INFO_CLASS;
4817         }
4818
4819         init_samr_r_set_domain_info(r_u, NT_STATUS_OK);
4820
4821         DEBUG(5,("_samr_set_dom_info: %d\n", __LINE__));
4822
4823         return r_u->status;
4824 }