source3/rpc_server/srv_samr_nt.c

   1 /*
   2  *  Unix SMB/CIFS implementation.
   3  *  RPC Pipe client / server routines
   4  *  Copyright (C) Andrew Tridgell              1992-1997,
   5  *  Copyright (C) Luke Kenneth Casson Leighton 1996-1997,
   6  *  Copyright (C) Paul Ashton                       1997,
   7  *  Copyright (C) Marc Jacobsen                     1999,
   8  *  Copyright (C) Jeremy Allison               2001-2002,
   9  *  Copyright (C) Jean François Micouleau      1998-2001,
  10  *  Copyright (C) Anthony Liguori                   2002,
  11  *  Copyright (C) Jim McDonough                     2002.
  12  *
  13  *  This program is free software; you can redistribute it and/or modify
  14  *  it under the terms of the GNU General Public License as published by
  15  *  the Free Software Foundation; either version 2 of the License, or
  16  *  (at your option) any later version.
  17  *
  18  *  This program is distributed in the hope that it will be useful,
  19  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  20  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21  *  GNU General Public License for more details.
  22  *
  23  *  You should have received a copy of the GNU General Public License
  24  *  along with this program; if not, write to the Free Software
  25  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  26  */
  27
  28 /*
  29  * This is the implementation of the SAMR code.
  30  */
  31
  32 #include "includes.h"
  33
  34 #undef DBGC_CLASS
  35 #define DBGC_CLASS DBGC_RPC_SRV
  36
  37 extern DOM_SID global_sid_Builtin;
  38
  39 extern rid_name domain_group_rids[];
  40 extern rid_name domain_alias_rids[];
  41 extern rid_name builtin_alias_rids[];
  42
  43
  44 typedef struct _disp_info {
  45         BOOL user_dbloaded;
  46         uint32 num_user_account;
  47         DISP_USER_INFO *disp_user_info;
  48         BOOL group_dbloaded;
  49         uint32 num_group_account;
  50         DISP_GROUP_INFO *disp_group_info;
  51 } DISP_INFO;
  52
  53 struct samr_info {
  54         /* for use by the \PIPE\samr policy */
  55         DOM_SID sid;
  56         uint32 status; /* some sort of flag.  best to record it.  comes from opnum 0x39 */
  57         uint32 acc_granted;
  58         uint16 acb_mask;
  59         BOOL all_machines;
  60         DISP_INFO disp_info;
  61
  62         TALLOC_CTX *mem_ctx;
  63 };
  64
  65 struct generic_mapping sam_generic_mapping = {GENERIC_RIGHTS_SAM_READ, GENERIC_RIGHTS_SAM_WRITE, GENERIC_RIGHTS_SAM_EXECUTE, GENERIC_RIGHTS_SAM_ALL_ACCESS};
  66 struct generic_mapping dom_generic_mapping = {GENERIC_RIGHTS_DOMAIN_READ, GENERIC_RIGHTS_DOMAIN_WRITE, GENERIC_RIGHTS_DOMAIN_EXECUTE, GENERIC_RIGHTS_DOMAIN_ALL_ACCESS};
  67 struct generic_mapping usr_generic_mapping = {GENERIC_RIGHTS_USER_READ, GENERIC_RIGHTS_USER_WRITE, GENERIC_RIGHTS_USER_EXECUTE, GENERIC_RIGHTS_USER_ALL_ACCESS};
  68 struct generic_mapping grp_generic_mapping = {GENERIC_RIGHTS_GROUP_READ, GENERIC_RIGHTS_GROUP_WRITE, GENERIC_RIGHTS_GROUP_EXECUTE, GENERIC_RIGHTS_GROUP_ALL_ACCESS};
  69 struct generic_mapping ali_generic_mapping = {GENERIC_RIGHTS_ALIAS_READ, GENERIC_RIGHTS_ALIAS_WRITE, GENERIC_RIGHTS_ALIAS_EXECUTE, GENERIC_RIGHTS_ALIAS_ALL_ACCESS};
  70
  71 static NTSTATUS samr_make_dom_obj_sd(TALLOC_CTX *ctx, SEC_DESC **psd, size_t *sd_size);
  72
  73 /*******************************************************************
  74  Checks if access to an object should be granted, and returns that
  75  level of access for further checks.
  76 ********************************************************************/
  77
  78 NTSTATUS access_check_samr_object(SEC_DESC *psd, NT_USER_TOKEN *nt_user_token, uint32 des_access,
  79                                   uint32 *acc_granted, const char *debug)
  80 {
  81         NTSTATUS status = NT_STATUS_ACCESS_DENIED;
  82
  83         if (!se_access_check(psd, nt_user_token, des_access, acc_granted, &status)) {
  84                 *acc_granted = des_access;
  85                 if (geteuid() == sec_initial_uid()) {
  86                         DEBUG(4,("%s: ACCESS should be DENIED  (requested: %#010x)\n",
  87                                 debug, des_access));
  88                         DEBUGADD(4,("but overritten by euid == sec_initial_uid()\n"));
  89                         status = NT_STATUS_OK;
  90                 }
  91                 else {
  92                         DEBUG(2,("%s: ACCESS DENIED  (requested: %#010x)\n",
  93                                 debug, des_access));
  94                 }
  95         }
  96         return status;
  97 }
  98
  99 /*******************************************************************
 100  Checks if access to a function can be granted
 101 ********************************************************************/
 102
 103 NTSTATUS access_check_samr_function(uint32 acc_granted, uint32 acc_required, const char *debug)
 104 {
 105         DEBUG(5,("%s: access check ((granted: %#010x;  required: %#010x)\n",
 106                         debug, acc_granted, acc_required));
 107         if ((acc_granted & acc_required) != acc_required) {
 108                 if (geteuid() == sec_initial_uid()) {
 109                         DEBUG(4,("%s: ACCESS should be DENIED (granted: %#010x;  required: %#010x)\n",
 110                                 debug, acc_granted, acc_required));
 111                         DEBUGADD(4,("but overwritten by euid == 0\n"));
 112                         return NT_STATUS_OK;
 113                 }
 114                 DEBUG(2,("%s: ACCESS DENIED (granted: %#010x;  required: %#010x)\n",
 115                         debug, acc_granted, acc_required));
 116                 return NT_STATUS_ACCESS_DENIED;
 117         }
 118         return NT_STATUS_OK;
 119 }
 120
 121
 122 /*******************************************************************
 123  Create a samr_info struct.
 124 ********************************************************************/
 125
 126 static struct samr_info *get_samr_info_by_sid(DOM_SID *psid)
 127 {
 128         struct samr_info *info;
 129         fstring sid_str;
 130         TALLOC_CTX *mem_ctx;
 131
 132         if (psid) {
 133                 sid_to_string(sid_str, psid);
 134         } else {
 135                 fstrcpy(sid_str,"(NULL)");
 136         }
 137
 138         mem_ctx = talloc_init("samr_info for domain sid %s", sid_str);
 139
 140         if ((info = (struct samr_info *)talloc(mem_ctx, sizeof(struct samr_info))) == NULL)
 141                 return NULL;
 142
 143         ZERO_STRUCTP(info);
 144         DEBUG(10,("get_samr_info_by_sid: created new info for sid %s\n", sid_str));
 145         if (psid) {
 146                 sid_copy( &info->sid, psid);
 147         } else {
 148                 DEBUG(10,("get_samr_info_by_sid: created new info for NULL sid.\n"));
 149         }
 150         info->mem_ctx = mem_ctx;
 151         return info;
 152 }
 153
 154
 155 /*******************************************************************
 156  Function to free the per handle data.
 157  ********************************************************************/
 158 static void free_samr_users(struct samr_info *info)
 159 {
 160         int i;
 161
 162         if (info->disp_info.user_dbloaded){
 163                 for (i=0; i<info->disp_info.num_user_account; i++) {
 164                         /* Not really a free, actually a 'clear' */
 165                         pdb_free_sam(&info->disp_info.disp_user_info[i].sam);
 166                 }
 167         }
 168         info->disp_info.user_dbloaded=False;
 169         info->disp_info.num_user_account=0;
 170 }
 171
 172
 173 /*******************************************************************
 174  Function to free the per handle data.
 175  ********************************************************************/
 176 static void free_samr_db(struct samr_info *info)
 177 {
 178         /* Groups are talloced */
 179
 180         free_samr_users(info);
 181
 182         info->disp_info.group_dbloaded=False;
 183         info->disp_info.num_group_account=0;
 184 }
 185
 186
 187 static void free_samr_info(void *ptr)
 188 {
 189         struct samr_info *info=(struct samr_info *) ptr;
 190
 191         free_samr_db(info);
 192         talloc_destroy(info->mem_ctx);
 193 }
 194
 195 /*******************************************************************
 196  Ensure password info is never given out. Paranioa... JRA.
 197  ********************************************************************/
 198
 199 static void samr_clear_sam_passwd(SAM_ACCOUNT *sam_pass)
 200 {
 201
 202         if (!sam_pass)
 203                 return;
 204
 205         /* These now zero out the old password */
 206
 207         pdb_set_lanman_passwd(sam_pass, NULL, PDB_DEFAULT);
 208         pdb_set_nt_passwd(sam_pass, NULL, PDB_DEFAULT);
 209 }
 210
 211
 212 static NTSTATUS load_sampwd_entries(struct samr_info *info, uint16 acb_mask, BOOL all_machines)
 213 {
 214         SAM_ACCOUNT *pwd = NULL;
 215         DISP_USER_INFO *pwd_array = NULL;
 216         NTSTATUS nt_status = NT_STATUS_OK;
 217         TALLOC_CTX *mem_ctx = info->mem_ctx;
 218
 219         DEBUG(10,("load_sampwd_entries\n"));
 220
 221         /* if the snapshoot is already loaded, return */
 222         if ((info->disp_info.user_dbloaded==True)
 223             && (info->acb_mask == acb_mask)
 224             && (info->all_machines == all_machines)) {
 225                 DEBUG(10,("load_sampwd_entries: already in memory\n"));
 226                 return NT_STATUS_OK;
 227         }
 228
 229         free_samr_users(info);
 230
 231         if (!pdb_setsampwent(False)) {
 232                 DEBUG(0, ("load_sampwd_entries: Unable to open passdb.\n"));
 233                 return NT_STATUS_ACCESS_DENIED;
 234         }
 235
 236         for (; (NT_STATUS_IS_OK(nt_status = pdb_init_sam_talloc(mem_ctx, &pwd)))
 237                      && pdb_getsampwent(pwd) == True; pwd=NULL) {
 238
 239                 if (all_machines) {
 240                         if (!((pdb_get_acct_ctrl(pwd) & ACB_WSTRUST)
 241                               || (pdb_get_acct_ctrl(pwd) & ACB_SVRTRUST))) {
 242                                 DEBUG(5,("load_sampwd_entries: '%s' is not a machine account - ACB: %x - skipping\n", pdb_get_username(pwd), acb_mask));
 243                                 pdb_free_sam(&pwd);
 244                                 continue;
 245                         }
 246                 } else {
 247                         if (acb_mask != 0 && !(pdb_get_acct_ctrl(pwd) & acb_mask)) {
 248                                 pdb_free_sam(&pwd);
 249                                 DEBUG(5,(" acb_mask %x reject\n", acb_mask));
 250                                 continue;
 251                         }
 252                 }
 253
 254                 /* Realloc some memory for the array of ptr to the SAM_ACCOUNT structs */
 255                 if (info->disp_info.num_user_account % MAX_SAM_ENTRIES == 0) {
 256
 257                         DEBUG(10,("load_sampwd_entries: allocating more memory\n"));
 258                         pwd_array=(DISP_USER_INFO *)talloc_realloc(mem_ctx, info->disp_info.disp_user_info,
 259                                           (info->disp_info.num_user_account+MAX_SAM_ENTRIES)*sizeof(DISP_USER_INFO));
 260
 261                         if (pwd_array==NULL)
 262                                 return NT_STATUS_NO_MEMORY;
 263
 264                         info->disp_info.disp_user_info=pwd_array;
 265                 }
 266
 267                 /* link the SAM_ACCOUNT to the array */
 268                 info->disp_info.disp_user_info[info->disp_info.num_user_account].sam=pwd;
 269
 270                 DEBUG(10,("load_sampwd_entries: entry: %d\n", info->disp_info.num_user_account));
 271
 272                 info->disp_info.num_user_account++;
 273         }
 274
 275         pdb_endsampwent();
 276
 277         /* the snapshoot is in memory, we're ready to enumerate fast */
 278
 279         info->acb_mask = acb_mask;
 280         info->all_machines = all_machines;
 281         info->disp_info.user_dbloaded=True;
 282
 283         DEBUG(10,("load_sampwd_entries: done\n"));
 284
 285         return nt_status;
 286 }
 287
 288 static NTSTATUS load_group_domain_entries(struct samr_info *info, DOM_SID *sid)
 289 {
 290         GROUP_MAP *map=NULL;
 291         DISP_GROUP_INFO *grp_array = NULL;
 292         uint32 group_entries = 0;
 293         uint32 i;
 294         TALLOC_CTX *mem_ctx = info->mem_ctx;
 295
 296         DEBUG(10,("load_group_domain_entries\n"));
 297
 298         /* if the snapshoot is already loaded, return */
 299         if (info->disp_info.group_dbloaded==True) {
 300                 DEBUG(10,("load_group_domain_entries: already in memory\n"));
 301                 return NT_STATUS_OK;
 302         }
 303
 304
 305         become_root();
 306
 307         if (!pdb_enum_group_mapping(SID_NAME_DOM_GRP, &map, (int *)&group_entries, ENUM_ONLY_MAPPED, MAPPING_WITHOUT_PRIV)) {
 308                 DEBUG(1, ("load_group_domain_entries: pdb_enum_group_mapping() failed!\n"));
 309                 return NT_STATUS_NO_MEMORY;
 310         }
 311
 312         unbecome_root();
 313
 314         info->disp_info.num_group_account=group_entries;
 315
 316         grp_array=(DISP_GROUP_INFO *)talloc(mem_ctx, info->disp_info.num_group_account*sizeof(DISP_GROUP_INFO));
 317
 318         if (group_entries!=0 && grp_array==NULL) {
 319                 DEBUG(1, ("load_group_domain_entries: talloc() failed for grp_array!\n"));
 320                 SAFE_FREE(map);
 321                 return NT_STATUS_NO_MEMORY;
 322         }
 323
 324         info->disp_info.disp_group_info=grp_array;
 325
 326         for (i=0; i<group_entries; i++) {
 327
 328                 grp_array[i].grp=(DOMAIN_GRP *)talloc(mem_ctx, sizeof(DOMAIN_GRP));
 329
 330                 fstrcpy(grp_array[i].grp->name, map[i].nt_name);
 331                 fstrcpy(grp_array[i].grp->comment, map[i].comment);
 332                 sid_split_rid(&map[i].sid, &grp_array[i].grp->rid);
 333                 grp_array[i].grp->attr=SID_NAME_DOM_GRP;
 334         }
 335
 336         SAFE_FREE(map);
 337
 338         /* the snapshoot is in memory, we're ready to enumerate fast */
 339
 340         info->disp_info.group_dbloaded=True;
 341
 342         DEBUG(10,("load_group_domain_entries: done\n"));
 343
 344         return NT_STATUS_OK;
 345 }
 346
 347
 348 /*******************************************************************
 349  _samr_close_hnd
 350  ********************************************************************/
 351
 352 NTSTATUS _samr_close_hnd(pipes_struct *p, SAMR_Q_CLOSE_HND *q_u, SAMR_R_CLOSE_HND *r_u)
 353 {
 354         r_u->status = NT_STATUS_OK;
 355
 356         /* close the policy handle */
 357         if (!close_policy_hnd(p, &q_u->pol))
 358                 return NT_STATUS_OBJECT_NAME_INVALID;
 359
 360         DEBUG(5,("samr_reply_close_hnd: %d\n", __LINE__));
 361
 362         return r_u->status;
 363 }
 364
 365 /*******************************************************************
 366  samr_reply_open_domain
 367  ********************************************************************/
 368
 369 NTSTATUS _samr_open_domain(pipes_struct *p, SAMR_Q_OPEN_DOMAIN *q_u, SAMR_R_OPEN_DOMAIN *r_u)
 370 {
 371         struct    samr_info *info;
 372         SEC_DESC *psd = NULL;
 373         uint32    acc_granted;
 374         uint32    des_access = q_u->flags;
 375         size_t    sd_size;
 376         NTSTATUS  status;
 377
 378         r_u->status = NT_STATUS_OK;
 379
 380         /* find the connection policy handle. */
 381         if (!find_policy_by_hnd(p, &q_u->pol, (void**)&info))
 382                 return NT_STATUS_INVALID_HANDLE;
 383
 384         if (!NT_STATUS_IS_OK(status = access_check_samr_function(info->acc_granted, SA_RIGHT_SAM_OPEN_DOMAIN,"_samr_open_domain"))) {
 385                 return status;
 386         }
 387
 388         /*check if access can be granted as requested by client. */
 389         samr_make_dom_obj_sd(p->mem_ctx, &psd, &sd_size);
 390         se_map_generic(&des_access,&dom_generic_mapping);
 391
 392         if (!NT_STATUS_IS_OK(status =
 393                              access_check_samr_object(psd, p->pipe_user.nt_user_token,
 394                                                       des_access, &acc_granted, "_samr_open_domain"))) {
 395                 return status;
 396         }
 397
 398         /* associate the domain SID with the (unique) handle. */
 399         if ((info = get_samr_info_by_sid(&q_u->dom_sid.sid))==NULL)
 400                 return NT_STATUS_NO_MEMORY;
 401         info->acc_granted = acc_granted;
 402
 403         /* get a (unique) handle.  open a policy on it. */
 404         if (!create_policy_hnd(p, &r_u->domain_pol, free_samr_info, (void *)info))
 405                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
 406
 407         DEBUG(5,("samr_open_domain: %d\n", __LINE__));
 408
 409         return r_u->status;
 410 }
 411
 412 /*******************************************************************
 413  _samr_get_usrdom_pwinfo
 414  ********************************************************************/
 415
 416 NTSTATUS _samr_get_usrdom_pwinfo(pipes_struct *p, SAMR_Q_GET_USRDOM_PWINFO *q_u, SAMR_R_GET_USRDOM_PWINFO *r_u)
 417 {
 418         struct samr_info *info = NULL;
 419
 420         r_u->status = NT_STATUS_OK;
 421
 422         /* find the policy handle.  open a policy on it. */
 423         if (!find_policy_by_hnd(p, &q_u->user_pol, (void **)&info))
 424                 return NT_STATUS_INVALID_HANDLE;
 425
 426         if (!sid_check_is_in_our_domain(&info->sid))
 427                 return NT_STATUS_OBJECT_TYPE_MISMATCH;
 428
 429         init_samr_r_get_usrdom_pwinfo(r_u, NT_STATUS_OK);
 430
 431         DEBUG(5,("_samr_get_usrdom_pwinfo: %d\n", __LINE__));
 432
 433         /*
 434          * NT sometimes return NT_STATUS_ACCESS_DENIED
 435          * I don't know yet why.
 436          */
 437
 438         return r_u->status;
 439 }
 440
 441 /*******************************************************************
 442  samr_make_dom_obj_sd
 443  ********************************************************************/
 444
 445 static NTSTATUS samr_make_dom_obj_sd(TALLOC_CTX *ctx, SEC_DESC **psd, size_t *sd_size)
 446 {
 447         extern DOM_SID global_sid_World;
 448         DOM_SID adm_sid;
 449         DOM_SID act_sid;
 450
 451         SEC_ACE ace[3];
 452         SEC_ACCESS mask;
 453
 454         SEC_ACL *psa = NULL;
 455
 456         sid_copy(&adm_sid, &global_sid_Builtin);
 457         sid_append_rid(&adm_sid, BUILTIN_ALIAS_RID_ADMINS);
 458
 459         sid_copy(&act_sid, &global_sid_Builtin);
 460         sid_append_rid(&act_sid, BUILTIN_ALIAS_RID_ACCOUNT_OPS);
 461
 462         /*basic access for every one*/
 463         init_sec_access(&mask, GENERIC_RIGHTS_DOMAIN_EXECUTE | GENERIC_RIGHTS_DOMAIN_READ);
 464         init_sec_ace(&ace[0], &global_sid_World, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0);
 465
 466         /*full access for builtin aliases Administrators and Account Operators*/
 467         init_sec_access(&mask, GENERIC_RIGHTS_DOMAIN_ALL_ACCESS);
 468         init_sec_ace(&ace[1], &adm_sid, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0);
 469         init_sec_ace(&ace[2], &act_sid, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0);
 470
 471         if ((psa = make_sec_acl(ctx, NT4_ACL_REVISION, 3, ace)) == NULL)
 472                 return NT_STATUS_NO_MEMORY;
 473
 474         if ((*psd = make_sec_desc(ctx, SEC_DESC_REVISION, NULL, NULL, NULL, psa, sd_size)) == NULL)
 475                 return NT_STATUS_NO_MEMORY;
 476
 477         return NT_STATUS_OK;
 478 }
 479
 480 /*******************************************************************
 481  samr_make_usr_obj_sd
 482  ********************************************************************/
 483
 484 static NTSTATUS samr_make_usr_obj_sd(TALLOC_CTX *ctx, SEC_DESC **psd, size_t *sd_size, DOM_SID *usr_sid)
 485 {
 486         extern DOM_SID global_sid_World;
 487         DOM_SID adm_sid;
 488         DOM_SID act_sid;
 489
 490         SEC_ACE ace[4];
 491         SEC_ACCESS mask;
 492
 493         SEC_ACL *psa = NULL;
 494
 495         sid_copy(&adm_sid, &global_sid_Builtin);
 496         sid_append_rid(&adm_sid, BUILTIN_ALIAS_RID_ADMINS);
 497
 498         sid_copy(&act_sid, &global_sid_Builtin);
 499         sid_append_rid(&act_sid, BUILTIN_ALIAS_RID_ACCOUNT_OPS);
 500
 501         /*basic access for every one*/
 502         init_sec_access(&mask, GENERIC_RIGHTS_USER_EXECUTE | GENERIC_RIGHTS_USER_READ);
 503         init_sec_ace(&ace[0], &global_sid_World, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0);
 504
 505         /*full access for builtin aliases Administrators and Account Operators*/
 506         init_sec_access(&mask, GENERIC_RIGHTS_USER_ALL_ACCESS);
 507         init_sec_ace(&ace[1], &adm_sid, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0);
 508         init_sec_ace(&ace[2], &act_sid, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0);
 509
 510         /*extended access for the user*/
 511         init_sec_access(&mask,READ_CONTROL_ACCESS | SA_RIGHT_USER_CHANGE_PASSWORD | SA_RIGHT_USER_SET_LOC_COM);
 512         init_sec_ace(&ace[3], usr_sid, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0);
 513
 514         if ((psa = make_sec_acl(ctx, NT4_ACL_REVISION, 4, ace)) == NULL)
 515                 return NT_STATUS_NO_MEMORY;
 516
 517         if ((*psd = make_sec_desc(ctx, SEC_DESC_REVISION, NULL, NULL, NULL, psa, sd_size)) == NULL)
 518                 return NT_STATUS_NO_MEMORY;
 519
 520         return NT_STATUS_OK;
 521 }
 522
 523 /*******************************************************************
 524  samr_make_grp_obj_sd
 525  ********************************************************************/
 526
 527 static NTSTATUS samr_make_grp_obj_sd(TALLOC_CTX *ctx, SEC_DESC **psd, size_t *sd_size)
 528 {
 529         extern DOM_SID global_sid_World;
 530         DOM_SID adm_sid;
 531         DOM_SID act_sid;
 532
 533         SEC_ACE ace[3];
 534         SEC_ACCESS mask;
 535
 536         SEC_ACL *psa = NULL;
 537
 538         sid_copy(&adm_sid, &global_sid_Builtin);
 539         sid_append_rid(&adm_sid, BUILTIN_ALIAS_RID_ADMINS);
 540
 541         sid_copy(&act_sid, &global_sid_Builtin);
 542         sid_append_rid(&act_sid, BUILTIN_ALIAS_RID_ACCOUNT_OPS);
 543
 544         /*basic access for every one*/
 545         init_sec_access(&mask, GENERIC_RIGHTS_GROUP_EXECUTE | GENERIC_RIGHTS_GROUP_READ);
 546         init_sec_ace(&ace[0], &global_sid_World, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0);
 547
 548         /*full access for builtin aliases Administrators and Account Operators*/
 549         init_sec_access(&mask, GENERIC_RIGHTS_GROUP_ALL_ACCESS);
 550         init_sec_ace(&ace[1], &adm_sid, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0);
 551         init_sec_ace(&ace[2], &act_sid, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0);
 552
 553         if ((psa = make_sec_acl(ctx, NT4_ACL_REVISION, 3, ace)) == NULL)
 554                 return NT_STATUS_NO_MEMORY;
 555
 556         if ((*psd = make_sec_desc(ctx, SEC_DESC_REVISION, NULL, NULL, NULL, psa, sd_size)) == NULL)
 557                 return NT_STATUS_NO_MEMORY;
 558
 559         return NT_STATUS_OK;
 560 }
 561
 562 /*******************************************************************
 563  samr_make_ali_obj_sd
 564  ********************************************************************/
 565
 566 static NTSTATUS samr_make_ali_obj_sd(TALLOC_CTX *ctx, SEC_DESC **psd, size_t *sd_size)
 567 {
 568         extern DOM_SID global_sid_World;
 569         DOM_SID adm_sid;
 570         DOM_SID act_sid;
 571
 572         SEC_ACE ace[3];
 573         SEC_ACCESS mask;
 574
 575         SEC_ACL *psa = NULL;
 576
 577         sid_copy(&adm_sid, &global_sid_Builtin);
 578         sid_append_rid(&adm_sid, BUILTIN_ALIAS_RID_ADMINS);
 579
 580         sid_copy(&act_sid, &global_sid_Builtin);
 581         sid_append_rid(&act_sid, BUILTIN_ALIAS_RID_ACCOUNT_OPS);
 582
 583         /*basic access for every one*/
 584         init_sec_access(&mask, GENERIC_RIGHTS_ALIAS_EXECUTE | GENERIC_RIGHTS_ALIAS_READ);
 585         init_sec_ace(&ace[0], &global_sid_World, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0);
 586
 587         /*full access for builtin aliases Administrators and Account Operators*/
 588         init_sec_access(&mask, GENERIC_RIGHTS_ALIAS_ALL_ACCESS);
 589         init_sec_ace(&ace[1], &adm_sid, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0);
 590         init_sec_ace(&ace[2], &act_sid, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0);
 591
 592         if ((psa = make_sec_acl(ctx, NT4_ACL_REVISION, 3, ace)) == NULL)
 593                 return NT_STATUS_NO_MEMORY;
 594
 595         if ((*psd = make_sec_desc(ctx, SEC_DESC_REVISION, NULL, NULL, NULL, psa, sd_size)) == NULL)
 596                 return NT_STATUS_NO_MEMORY;
 597
 598         return NT_STATUS_OK;
 599 }
 600
 601 static BOOL get_lsa_policy_samr_sid(pipes_struct *p, POLICY_HND *pol, DOM_SID *sid, uint32 *acc_granted)
 602 {
 603         struct samr_info *info = NULL;
 604
 605         /* find the policy handle.  open a policy on it. */
 606         if (!find_policy_by_hnd(p, pol, (void **)&info))
 607                 return False;
 608
 609         if (!info)
 610                 return False;
 611
 612         *sid = info->sid;
 613         *acc_granted = info->acc_granted;
 614         return True;
 615 }
 616
 617 /*******************************************************************
 618  _samr_set_sec_obj
 619  ********************************************************************/
 620
 621 NTSTATUS _samr_set_sec_obj(pipes_struct *p, SAMR_Q_SET_SEC_OBJ *q_u, SAMR_R_SET_SEC_OBJ *r_u)
 622 {
 623         DEBUG(0,("_samr_set_sec_obj: Not yet implemented!\n"));
 624         return NT_STATUS_NOT_IMPLEMENTED;
 625 }
 626
 627
 628 /*******************************************************************
 629  _samr_query_sec_obj
 630  ********************************************************************/
 631
 632 NTSTATUS _samr_query_sec_obj(pipes_struct *p, SAMR_Q_QUERY_SEC_OBJ *q_u, SAMR_R_QUERY_SEC_OBJ *r_u)
 633 {
 634         DOM_SID pol_sid;
 635         fstring str_sid;
 636         SEC_DESC * psd = NULL;
 637         size_t sd_size;
 638         uint32 acc_granted;
 639
 640         r_u->status = NT_STATUS_OK;
 641
 642         /* Get the SID. */
 643         if (!get_lsa_policy_samr_sid(p, &q_u->user_pol, &pol_sid, &acc_granted))
 644                 return NT_STATUS_INVALID_HANDLE;
 645
 646
 647
 648         DEBUG(10,("_samr_query_sec_obj: querying security on SID: %s\n", sid_to_string(str_sid, &pol_sid)));
 649
 650         /* Check what typ of SID is beeing queried (e.g Domain SID, User SID, Group SID) */
 651
 652         /* To query the security of the SAM it self an invalid SID with S-0-0 is passed to this function */
 653         if (pol_sid.sid_rev_num == 0)
 654         {
 655                 DEBUG(5,("_samr_query_sec_obj: querying security on SAM\n"));
 656                 r_u->status = samr_make_sam_obj_sd(p->mem_ctx, &psd, &sd_size);
 657         }
 658         else if (sid_equal(&pol_sid,get_global_sam_sid()))  /* check if it is our domain SID */
 659
 660         {
 661                 DEBUG(5,("_samr_query_sec_obj: querying security on Domain with SID: %s\n", sid_to_string(str_sid, &pol_sid)));
 662                 r_u->status = samr_make_dom_obj_sd(p->mem_ctx, &psd, &sd_size);
 663         }
 664         else if (sid_equal(&pol_sid,&global_sid_Builtin)) /* check if it is the Builtin  Domain */
 665         {
 666                 /* TODO: Builtin probably needs a different SD with restricted write access*/
 667                 DEBUG(5,("_samr_query_sec_obj: querying security on Builtin Domain with SID: %s\n", sid_to_string(str_sid, &pol_sid)));
 668                 r_u->status = samr_make_dom_obj_sd(p->mem_ctx, &psd, &sd_size);
 669         }
 670         else if (sid_check_is_in_our_domain(&pol_sid) ||
 671                  sid_check_is_in_builtin(&pol_sid))
 672         {
 673                 /* TODO: different SDs have to be generated for aliases groups and users.
 674                          Currently all three get a default user SD  */
 675                 DEBUG(10,("_samr_query_sec_obj: querying security on Object with SID: %s\n", sid_to_string(str_sid, &pol_sid)));
 676                 r_u->status = samr_make_usr_obj_sd(p->mem_ctx, &psd,&sd_size, &pol_sid);
 677         }
 678         else return NT_STATUS_OBJECT_TYPE_MISMATCH;
 679
 680         if ((r_u->buf = make_sec_desc_buf(p->mem_ctx, sd_size, psd)) == NULL)
 681                 return NT_STATUS_NO_MEMORY;
 682
 683         if (NT_STATUS_IS_OK(r_u->status))
 684                 r_u->ptr = 1;
 685
 686         return r_u->status;
 687 }
 688
 689 /*******************************************************************
 690 makes a SAM_ENTRY / UNISTR2* structure from a user list.
 691 ********************************************************************/
 692
 693 static NTSTATUS make_user_sam_entry_list(TALLOC_CTX *ctx, SAM_ENTRY **sam_pp, UNISTR2 **uni_name_pp,
 694                                          uint32 num_entries, uint32 start_idx, DISP_USER_INFO *disp_user_info,
 695                                          DOM_SID *domain_sid)
 696 {
 697         uint32 i;
 698         SAM_ENTRY *sam;
 699         UNISTR2 *uni_name;
 700         SAM_ACCOUNT *pwd = NULL;
 701         UNISTR2 uni_temp_name;
 702         const char *temp_name;
 703         const DOM_SID *user_sid;
 704         uint32 user_rid;
 705         fstring user_sid_string;
 706         fstring domain_sid_string;
 707
 708         *sam_pp = NULL;
 709         *uni_name_pp = NULL;
 710
 711         if (num_entries == 0)
 712                 return NT_STATUS_OK;
 713
 714         sam = (SAM_ENTRY *)talloc_zero(ctx, sizeof(SAM_ENTRY)*num_entries);
 715
 716         uni_name = (UNISTR2 *)talloc_zero(ctx, sizeof(UNISTR2)*num_entries);
 717
 718         if (sam == NULL || uni_name == NULL) {
 719                 DEBUG(0, ("make_user_sam_entry_list: talloc_zero failed!\n"));
 720                 return NT_STATUS_NO_MEMORY;
 721         }
 722
 723         for (i = 0; i < num_entries; i++) {
 724                 pwd = disp_user_info[i+start_idx].sam;
 725                 temp_name = pdb_get_username(pwd);
 726                 init_unistr2(&uni_temp_name, temp_name, strlen(temp_name)+1);
 727                 user_sid = pdb_get_user_sid(pwd);
 728
 729                 if (!sid_peek_check_rid(domain_sid, user_sid, &user_rid)) {
 730                         DEBUG(0, ("make_user_sam_entry_list: User %s has SID %s, which conflicts with "
 731                                   "the domain sid %s.  Failing operation.\n",
 732                                   temp_name,
 733                                   sid_to_string(user_sid_string, user_sid),
 734                                   sid_to_string(domain_sid_string, domain_sid)));
 735                         return NT_STATUS_UNSUCCESSFUL;
 736                 }
 737
 738                 init_sam_entry(&sam[i], uni_temp_name.uni_str_len, user_rid);
 739                 copy_unistr2(&uni_name[i], &uni_temp_name);
 740         }
 741
 742         *sam_pp = sam;
 743         *uni_name_pp = uni_name;
 744         return NT_STATUS_OK;
 745 }
 746
 747 /*******************************************************************
 748  samr_reply_enum_dom_users
 749  ********************************************************************/
 750
 751 NTSTATUS _samr_enum_dom_users(pipes_struct *p, SAMR_Q_ENUM_DOM_USERS *q_u,
 752                               SAMR_R_ENUM_DOM_USERS *r_u)
 753 {
 754         struct samr_info *info = NULL;
 755         uint32 struct_size=0x20; /* W2K always reply that, client doesn't care */
 756         int num_account;
 757         uint32 enum_context=q_u->start_idx;
 758         uint32 max_size=q_u->max_size;
 759         uint32 temp_size;
 760         enum remote_arch_types ra_type = get_remote_arch();
 761         int max_sam_entries = (ra_type == RA_WIN95) ? MAX_SAM_ENTRIES_W95 : MAX_SAM_ENTRIES_W2K;
 762         uint32 max_entries = max_sam_entries;
 763         DOM_SID domain_sid;
 764
 765         r_u->status = NT_STATUS_OK;
 766
 767         /* find the policy handle.  open a policy on it. */
 768         if (!find_policy_by_hnd(p, &q_u->pol, (void **)&info))
 769                 return NT_STATUS_INVALID_HANDLE;
 770
 771         domain_sid = info->sid;
 772
 773         if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(info->acc_granted,
 774                                         SA_RIGHT_DOMAIN_ENUM_ACCOUNTS,
 775                                         "_samr_enum_dom_users"))) {
 776                 return r_u->status;
 777         }
 778
 779         DEBUG(5,("_samr_enum_dom_users: %d\n", __LINE__));
 780
 781         become_root();
 782         r_u->status=load_sampwd_entries(info, q_u->acb_mask, False);
 783         unbecome_root();
 784
 785         if (!NT_STATUS_IS_OK(r_u->status))
 786                 return r_u->status;
 787
 788         num_account = info->disp_info.num_user_account;
 789
 790         if (enum_context > num_account) {
 791                 DEBUG(5, ("_samr_enum_dom_users: enumeration handle over total entries\n"));
 792                 return NT_STATUS_OK;
 793         }
 794
 795         /* verify we won't overflow */
 796         if (max_entries > num_account-enum_context) {
 797                 max_entries = num_account-enum_context;
 798                 DEBUG(5, ("_samr_enum_dom_users: only %d entries to return\n", max_entries));
 799         }
 800
 801         /* calculate the size and limit on the number of entries we will return */
 802         temp_size=max_entries*struct_size;
 803
 804         if (temp_size>max_size) {
 805                 max_entries=MIN((max_size/struct_size),max_entries);;
 806                 DEBUG(5, ("_samr_enum_dom_users: buffer size limits to only %d entries\n", max_entries));
 807         }
 808
 809         /*
 810          * Note from JRA. total_entries is not being used here. Currently if there is a
 811          * large user base then it looks like NT will enumerate until get_sampwd_entries
 812          * returns False due to num_entries being zero. This will cause an access denied
 813          * return. I don't think this is right and needs further investigation. Note that
 814          * this is also the same in the TNG code (I don't think that has been tested with
 815          * a very large user list as MAX_SAM_ENTRIES is set to 600).
 816          *
 817          * I also think that one of the 'num_entries' return parameters is probably
 818          * the "max entries" parameter - but in the TNG code they're all currently set to the same
 819          * value (again I think this is wrong).
 820          */
 821
 822         r_u->status = make_user_sam_entry_list(p->mem_ctx, &r_u->sam, &r_u->uni_acct_name,
 823                                                max_entries, enum_context,
 824                                                info->disp_info.disp_user_info,
 825                                                &domain_sid);
 826
 827         if (!NT_STATUS_IS_OK(r_u->status))
 828                 return r_u->status;
 829
 830         if (enum_context+max_entries < num_account)
 831                 r_u->status = STATUS_MORE_ENTRIES;
 832
 833         DEBUG(5, ("_samr_enum_dom_users: %d\n", __LINE__));
 834
 835         init_samr_r_enum_dom_users(r_u, q_u->start_idx + max_entries, max_entries);
 836
 837         DEBUG(5,("_samr_enum_dom_users: %d\n", __LINE__));
 838
 839         return r_u->status;
 840 }
 841
 842 /*******************************************************************
 843 makes a SAM_ENTRY / UNISTR2* structure from a group list.
 844 ********************************************************************/
 845
 846 static void make_group_sam_entry_list(TALLOC_CTX *ctx, SAM_ENTRY **sam_pp, UNISTR2 **uni_name_pp,
 847                 uint32 num_sam_entries, DOMAIN_GRP *grp)
 848 {
 849         uint32 i;
 850         SAM_ENTRY *sam;
 851         UNISTR2 *uni_name;
 852
 853         *sam_pp = NULL;
 854         *uni_name_pp = NULL;
 855
 856         if (num_sam_entries == 0)
 857                 return;
 858
 859         sam = (SAM_ENTRY *)talloc_zero(ctx, sizeof(SAM_ENTRY)*num_sam_entries);
 860
 861         uni_name = (UNISTR2 *)talloc_zero(ctx, sizeof(UNISTR2)*num_sam_entries);
 862
 863         if (sam == NULL || uni_name == NULL) {
 864                 DEBUG(0, ("NULL pointers in SAMR_R_QUERY_DISPINFO\n"));
 865                 return;
 866         }
 867
 868         for (i = 0; i < num_sam_entries; i++) {
 869                 /*
 870                  * JRA. I think this should include the null. TNG does not.
 871                  */
 872                 int len = strlen(grp[i].name)+1;
 873
 874                 init_sam_entry(&sam[i], len, grp[i].rid);
 875                 init_unistr2(&uni_name[i], grp[i].name, len);
 876         }
 877
 878         *sam_pp = sam;
 879         *uni_name_pp = uni_name;
 880 }
 881
 882 /*******************************************************************
 883  Get the group entries - similar to get_sampwd_entries().
 884  ********************************************************************/
 885
 886 static NTSTATUS get_group_alias_entries(TALLOC_CTX *ctx, DOMAIN_GRP **d_grp, DOM_SID *sid, uint32 start_idx,
 887                                     uint32 *p_num_entries, uint32 max_entries)
 888 {
 889         fstring sid_str;
 890         uint32 num_entries = 0;
 891         int i;
 892         GROUP_MAP smap;
 893         GROUP_MAP *map = NULL;
 894
 895         sid_to_string(sid_str, sid);
 896         DEBUG(5, ("get_group_alias_entries: enumerating aliases on SID: %s\n", sid_str));
 897
 898         *p_num_entries = 0;
 899
 900         /* well-known aliases */
 901         if (sid_equal(sid, &global_sid_Builtin) && !lp_hide_local_users()) {
 902
 903                 pdb_enum_group_mapping(SID_NAME_WKN_GRP, &map, (int *)&num_entries, ENUM_ONLY_MAPPED, MAPPING_WITHOUT_PRIV);
 904
 905                 if (num_entries != 0) {
 906                         *d_grp=(DOMAIN_GRP *)talloc_zero(ctx, num_entries*sizeof(DOMAIN_GRP));
 907                         if (*d_grp==NULL)
 908                                 return NT_STATUS_NO_MEMORY;
 909
 910                         for(i=0; i<num_entries && i<max_entries; i++) {
 911                                 fstrcpy((*d_grp)[i].name, map[i+start_idx].nt_name);
 912                                 sid_split_rid(&map[i+start_idx].sid, &(*d_grp)[i].rid);
 913
 914                         }
 915                 }
 916                 SAFE_FREE(map);
 917
 918         } else if (sid_equal(sid, get_global_sam_sid()) && !lp_hide_local_users()) {
 919                 struct sys_grent *glist;
 920                 struct sys_grent *grp;
 921                 struct passwd *pw;
 922                 gid_t winbind_gid_low, winbind_gid_high;
 923                 BOOL winbind_groups_exist = lp_winbind_gid(&winbind_gid_low, &winbind_gid_high);
 924
 925                 /* local aliases */
 926                 /* we return the UNIX groups here.  This seems to be the right */
 927                 /* thing to do, since NT member servers return their local     */
 928                 /* groups in the same situation.                               */
 929
 930                 /* use getgrent_list() to retrieve the list of groups to avoid
 931                  * problems with getgrent possible infinite loop by internal
 932                  * libc grent structures overwrites by called functions */
 933                 grp = glist = getgrent_list();
 934                 if (grp == NULL)
 935                         return NT_STATUS_NO_MEMORY;
 936
 937                 for (; (num_entries < max_entries) && (grp != NULL); grp = grp->next) {
 938                         uint32 trid;
 939
 940                         if(!pdb_getgrgid(&smap, grp->gr_gid, MAPPING_WITHOUT_PRIV))
 941                                 continue;
 942
 943                         if (smap.sid_name_use!=SID_NAME_ALIAS) {
 944                                 continue;
 945                         }
 946
 947                         sid_split_rid(&smap.sid, &trid);
 948
 949                         if (!sid_equal(sid, &smap.sid))
 950                                 continue;
 951
 952                         /* Don't return winbind groups as they are not local! */
 953                         if (winbind_groups_exist && (grp->gr_gid >= winbind_gid_low)&&(grp->gr_gid <= winbind_gid_high)) {
 954                                 DEBUG(10,("get_group_alias_entries: not returing %s, not local.\n", smap.nt_name ));
 955                                 continue;
 956                         }
 957
 958                         /* Don't return user private groups... */
 959
 960                         if ((pw = Get_Pwnam(smap.nt_name)) != 0) {
 961                                 DEBUG(10,("get_group_alias_entries: not returing %s, clashes with user.\n", smap.nt_name ));
 962                                 continue;
 963                         }
 964
 965                         for( i = 0; i < num_entries; i++)
 966                                 if ( (*d_grp)[i].rid == trid )
 967                                         break;
 968
 969                         if ( i < num_entries ) {
 970                                 continue; /* rid was there, dup! */
 971                         }
 972
 973                         /* JRA - added this for large group db enumeration... */
 974
 975                         if (start_idx > 0) {
 976                                 /* skip the requested number of entries.
 977                                         not very efficient, but hey...
 978                                 */
 979                                 start_idx--;
 980                                 continue;
 981                         }
 982
 983                         *d_grp=talloc_realloc(ctx,*d_grp, (num_entries+1)*sizeof(DOMAIN_GRP));
 984                         if (*d_grp==NULL) {
 985                                 grent_free(glist);
 986                                 return NT_STATUS_NO_MEMORY;
 987                         }
 988
 989                         fstrcpy((*d_grp)[num_entries].name, smap.nt_name);
 990                         (*d_grp)[num_entries].rid = trid;
 991                         num_entries++;
 992                         DEBUG(10,("get_group_alias_entries: added entry %d, rid:%d\n", num_entries, trid));
 993                 }
 994
 995                 grent_free(glist);
 996         }
 997
 998         *p_num_entries = num_entries;
 999
1000         DEBUG(10,("get_group_alias_entries: returning %d entries\n", *p_num_entries));
1001
1002         if (num_entries >= max_entries)
1003                 return STATUS_MORE_ENTRIES;
1004         return NT_STATUS_OK;
1005 }
1006
1007 /*******************************************************************
1008  Get the group entries - similar to get_sampwd_entries().
1009  ********************************************************************/
1010
1011 static NTSTATUS get_group_domain_entries(TALLOC_CTX *ctx, DOMAIN_GRP **d_grp, DOM_SID *sid, uint32 start_idx,
1012                                      uint32 *p_num_entries, uint32 max_entries)
1013 {
1014         GROUP_MAP *map=NULL;
1015         int i;
1016         uint32 group_entries = 0;
1017         uint32 num_entries = 0;
1018
1019         *p_num_entries = 0;
1020
1021         pdb_enum_group_mapping(SID_NAME_DOM_GRP, &map, (int *)&group_entries, ENUM_ONLY_MAPPED, MAPPING_WITHOUT_PRIV);
1022
1023         num_entries=group_entries-start_idx;
1024
1025         /* limit the number of entries */
1026         if (num_entries>max_entries) {
1027                 DEBUG(5,("Limiting to %d entries\n", max_entries));
1028                 num_entries=max_entries;
1029         }
1030
1031         *d_grp=(DOMAIN_GRP *)talloc_zero(ctx, num_entries*sizeof(DOMAIN_GRP));
1032         if (num_entries!=0 && *d_grp==NULL){
1033                 SAFE_FREE(map);
1034                 return NT_STATUS_NO_MEMORY;
1035         }
1036
1037         for (i=0; i<num_entries; i++) {
1038                 fstrcpy((*d_grp)[i].name, map[i+start_idx].nt_name);
1039                 fstrcpy((*d_grp)[i].comment, map[i+start_idx].comment);
1040                 sid_split_rid(&map[i+start_idx].sid, &(*d_grp)[i].rid);
1041                 (*d_grp)[i].attr=SID_NAME_DOM_GRP;
1042         }
1043
1044         SAFE_FREE(map);
1045
1046         *p_num_entries = num_entries;
1047
1048         return NT_STATUS_OK;
1049 }
1050
1051 /*******************************************************************
1052  samr_reply_enum_dom_groups
1053  ********************************************************************/
1054
1055 NTSTATUS _samr_enum_dom_groups(pipes_struct *p, SAMR_Q_ENUM_DOM_GROUPS *q_u, SAMR_R_ENUM_DOM_GROUPS *r_u)
1056 {
1057         DOMAIN_GRP *grp=NULL;
1058         uint32 num_entries;
1059         DOM_SID sid;
1060         uint32 acc_granted;
1061
1062         r_u->status = NT_STATUS_OK;
1063
1064         if (!get_lsa_policy_samr_sid(p, &q_u->pol, &sid, &acc_granted))
1065                 return NT_STATUS_INVALID_HANDLE;
1066
1067         if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, SA_RIGHT_DOMAIN_ENUM_ACCOUNTS, "_samr_enum_dom_groups"))) {
1068                 return r_u->status;
1069         }
1070
1071         DEBUG(5,("samr_reply_enum_dom_groups: %d\n", __LINE__));
1072
1073         /* the domain group array is being allocated in the function below */
1074         if (!NT_STATUS_IS_OK(r_u->status = get_group_domain_entries(p->mem_ctx, &grp, &sid, q_u->start_idx, &num_entries, MAX_SAM_ENTRIES))) {
1075                 return r_u->status;
1076         }
1077
1078         make_group_sam_entry_list(p->mem_ctx, &r_u->sam, &r_u->uni_grp_name, num_entries, grp);
1079
1080         init_samr_r_enum_dom_groups(r_u, q_u->start_idx, num_entries);
1081
1082         DEBUG(5,("samr_enum_dom_groups: %d\n", __LINE__));
1083
1084         return r_u->status;
1085 }
1086
1087
1088 /*******************************************************************
1089  samr_reply_enum_dom_aliases
1090  ********************************************************************/
1091
1092 NTSTATUS _samr_enum_dom_aliases(pipes_struct *p, SAMR_Q_ENUM_DOM_ALIASES *q_u, SAMR_R_ENUM_DOM_ALIASES *r_u)
1093 {
1094         DOMAIN_GRP *grp=NULL;
1095         uint32 num_entries = 0;
1096         fstring sid_str;
1097         DOM_SID sid;
1098         NTSTATUS status;
1099         uint32  acc_granted;
1100
1101         r_u->status = NT_STATUS_OK;
1102
1103         if (!get_lsa_policy_samr_sid(p, &q_u->pol, &sid, &acc_granted))
1104                 return NT_STATUS_INVALID_HANDLE;
1105
1106         if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, SA_RIGHT_DOMAIN_ENUM_ACCOUNTS, "_samr_enum_dom_aliases"))) {
1107                 return r_u->status;
1108         }
1109
1110         sid_to_string(sid_str, &sid);
1111         DEBUG(5,("samr_reply_enum_dom_aliases: sid %s\n", sid_str));
1112
1113         status = get_group_alias_entries(p->mem_ctx, &grp, &sid, q_u->start_idx,
1114                                          &num_entries, MAX_SAM_ENTRIES);
1115         if (NT_STATUS_IS_ERR(status)) return status;
1116
1117         make_group_sam_entry_list(p->mem_ctx, &r_u->sam, &r_u->uni_grp_name, num_entries, grp);
1118
1119         /*safe_free(grp);*/
1120
1121         init_samr_r_enum_dom_aliases(r_u, q_u->start_idx + num_entries, num_entries);
1122
1123         DEBUG(5,("samr_enum_dom_aliases: %d\n", __LINE__));
1124
1125         return r_u->status;
1126 }
1127
1128 /*******************************************************************
1129  samr_reply_query_dispinfo
1130  ********************************************************************/
1131 NTSTATUS _samr_query_dispinfo(pipes_struct *p, SAMR_Q_QUERY_DISPINFO *q_u,
1132                               SAMR_R_QUERY_DISPINFO *r_u)
1133 {
1134         struct samr_info *info = NULL;
1135         uint32 struct_size=0x20; /* W2K always reply that, client doesn't care */
1136
1137         uint32 max_entries=q_u->max_entries;
1138         uint32 enum_context=q_u->start_idx;
1139         uint32 max_size=q_u->max_size;
1140
1141         SAM_DISPINFO_CTR *ctr;
1142         uint32 temp_size=0, total_data_size=0;
1143         NTSTATUS disp_ret;
1144         uint32 num_account = 0;
1145         enum remote_arch_types ra_type = get_remote_arch();
1146         int max_sam_entries = (ra_type == RA_WIN95) ? MAX_SAM_ENTRIES_W95 : MAX_SAM_ENTRIES_W2K;
1147         DOM_SID domain_sid;
1148
1149         DEBUG(5, ("samr_reply_query_dispinfo: %d\n", __LINE__));
1150         r_u->status = NT_STATUS_OK;
1151
1152         /* find the policy handle.  open a policy on it. */
1153         if (!find_policy_by_hnd(p, &q_u->domain_pol, (void **)&info))
1154                 return NT_STATUS_INVALID_HANDLE;
1155
1156         domain_sid = info->sid;
1157
1158         /*
1159          * calculate how many entries we will return.
1160          * based on
1161          * - the number of entries the client asked
1162          * - our limit on that
1163          * - the starting point (enumeration context)
1164          * - the buffer size the client will accept
1165          */
1166
1167         /*
1168          * We are a lot more like W2K. Instead of reading the SAM
1169          * each time to find the records we need to send back,
1170          * we read it once and link that copy to the sam handle.
1171          * For large user list (over the MAX_SAM_ENTRIES)
1172          * it's a definitive win.
1173          * second point to notice: between enumerations
1174          * our sam is now the same as it's a snapshoot.
1175          * third point: got rid of the static SAM_USER_21 struct
1176          * no more intermediate.
1177          * con: it uses much more memory, as a full copy is stored
1178          * in memory.
1179          *
1180          * If you want to change it, think twice and think
1181          * of the second point , that's really important.
1182          *
1183          * JFM, 12/20/2001
1184          */
1185
1186         /* Get what we need from the password database */
1187         switch (q_u->switch_level) {
1188                 case 0x1:
1189                         /* When playing with usrmgr, this is necessary
1190                            if you want immediate refresh after editing
1191                            a user. I would like to do this after the
1192                            setuserinfo2, but we do not have access to
1193                            the domain handle in that call, only to the
1194                            user handle. Where else does this hurt?
1195                            -- Volker
1196                         */
1197 #if 0
1198                         /* We cannot do this here - it kills performace. JRA. */
1199                         free_samr_users(info);
1200 #endif
1201                 case 0x2:
1202                 case 0x4:
1203                         become_root();
1204                         /* Level 2 is for all machines, otherwise only 'normal' users */
1205                         r_u->status=load_sampwd_entries(info, ACB_NORMAL, q_u->switch_level==2);
1206                         unbecome_root();
1207                         if (!NT_STATUS_IS_OK(r_u->status)) {
1208                                 DEBUG(5, ("_samr_query_dispinfo: load_sampwd_entries failed\n"));
1209                                 return r_u->status;
1210                         }
1211                         num_account = info->disp_info.num_user_account;
1212                         break;
1213                 case 0x3:
1214                 case 0x5:
1215                         r_u->status = load_group_domain_entries(info, &info->sid);
1216                         if (!NT_STATUS_IS_OK(r_u->status))
1217                                 return r_u->status;
1218                         num_account = info->disp_info.num_group_account;
1219                         break;
1220                 default:
1221                         DEBUG(0,("_samr_query_dispinfo: Unknown info level (%u)\n", (unsigned int)q_u->switch_level ));
1222                         return NT_STATUS_INVALID_INFO_CLASS;
1223         }
1224
1225         /* first limit the number of entries we will return */
1226         if(max_entries > max_sam_entries) {
1227                 DEBUG(5, ("samr_reply_query_dispinfo: client requested %d entries, limiting to %d\n", max_entries, max_sam_entries));
1228                 max_entries = max_sam_entries;
1229         }
1230
1231         if (enum_context > num_account) {
1232                 DEBUG(5, ("samr_reply_query_dispinfo: enumeration handle over total entries\n"));
1233                 return NT_STATUS_NO_MORE_ENTRIES;
1234         }
1235
1236         /* verify we won't overflow */
1237         if (max_entries > num_account-enum_context) {
1238                 max_entries = num_account-enum_context;
1239                 DEBUG(5, ("samr_reply_query_dispinfo: only %d entries to return\n", max_entries));
1240         }
1241
1242         /* calculate the size and limit on the number of entries we will return */
1243         temp_size=max_entries*struct_size;
1244
1245         if (temp_size>max_size) {
1246                 max_entries=MIN((max_size/struct_size),max_entries);;
1247                 DEBUG(5, ("samr_reply_query_dispinfo: buffer size limits to only %d entries\n", max_entries));
1248         }
1249
1250         if (!(ctr = (SAM_DISPINFO_CTR *)talloc_zero(p->mem_ctx,sizeof(SAM_DISPINFO_CTR))))
1251                 return NT_STATUS_NO_MEMORY;
1252
1253         ZERO_STRUCTP(ctr);
1254
1255         /* Now create reply structure */
1256         switch (q_u->switch_level) {
1257         case 0x1:
1258                 if (max_entries) {
1259                         if (!(ctr->sam.info1 = (SAM_DISPINFO_1 *)talloc_zero(p->mem_ctx,max_entries*sizeof(SAM_DISPINFO_1))))
1260                                 return NT_STATUS_NO_MEMORY;
1261                 }
1262                 disp_ret = init_sam_dispinfo_1(p->mem_ctx, ctr->sam.info1, max_entries, enum_context,
1263                                                info->disp_info.disp_user_info, &domain_sid);
1264                 if (!NT_STATUS_IS_OK(disp_ret))
1265                         return disp_ret;
1266                 break;
1267         case 0x2:
1268                 if (max_entries) {
1269                         if (!(ctr->sam.info2 = (SAM_DISPINFO_2 *)talloc_zero(p->mem_ctx,max_entries*sizeof(SAM_DISPINFO_2))))
1270                                 return NT_STATUS_NO_MEMORY;
1271                 }
1272                 disp_ret = init_sam_dispinfo_2(p->mem_ctx, ctr->sam.info2, max_entries, enum_context,
1273                                                info->disp_info.disp_user_info, &domain_sid);
1274                 if (!NT_STATUS_IS_OK(disp_ret))
1275                         return disp_ret;
1276                 break;
1277         case 0x3:
1278                 if (max_entries) {
1279                         if (!(ctr->sam.info3 = (SAM_DISPINFO_3 *)talloc_zero(p->mem_ctx,max_entries*sizeof(SAM_DISPINFO_3))))
1280                                 return NT_STATUS_NO_MEMORY;
1281                 }
1282                 disp_ret = init_sam_dispinfo_3(p->mem_ctx, ctr->sam.info3, max_entries, enum_context, info->disp_info.disp_group_info);
1283                 if (!NT_STATUS_IS_OK(disp_ret))
1284                         return disp_ret;
1285                 break;
1286         case 0x4:
1287                 if (max_entries) {
1288                         if (!(ctr->sam.info4 = (SAM_DISPINFO_4 *)talloc_zero(p->mem_ctx,max_entries*sizeof(SAM_DISPINFO_4))))
1289                                 return NT_STATUS_NO_MEMORY;
1290                 }
1291                 disp_ret = init_sam_dispinfo_4(p->mem_ctx, ctr->sam.info4, max_entries, enum_context, info->disp_info.disp_user_info);
1292                 if (!NT_STATUS_IS_OK(disp_ret))
1293                         return disp_ret;
1294                 break;
1295         case 0x5:
1296                 if (max_entries) {
1297                         if (!(ctr->sam.info5 = (SAM_DISPINFO_5 *)talloc_zero(p->mem_ctx,max_entries*sizeof(SAM_DISPINFO_5))))
1298                                 return NT_STATUS_NO_MEMORY;
1299                 }
1300                 disp_ret = init_sam_dispinfo_5(p->mem_ctx, ctr->sam.info5, max_entries, enum_context, info->disp_info.disp_group_info);
1301                 if (!NT_STATUS_IS_OK(disp_ret))
1302                         return disp_ret;
1303                 break;
1304
1305         default:
1306                 ctr->sam.info = NULL;
1307                 return NT_STATUS_INVALID_INFO_CLASS;
1308         }
1309
1310         /* calculate the total size */
1311         total_data_size=num_account*struct_size;
1312
1313         if (enum_context+max_entries < num_account)
1314                 r_u->status = STATUS_MORE_ENTRIES;
1315
1316         DEBUG(5, ("_samr_query_dispinfo: %d\n", __LINE__));
1317
1318         init_samr_r_query_dispinfo(r_u, max_entries, total_data_size, temp_size, q_u->switch_level, ctr, r_u->status);
1319
1320         return r_u->status;
1321
1322 }
1323
1324 /*******************************************************************
1325  samr_reply_query_aliasinfo
1326  ********************************************************************/
1327
1328 NTSTATUS _samr_query_aliasinfo(pipes_struct *p, SAMR_Q_QUERY_ALIASINFO *q_u, SAMR_R_QUERY_ALIASINFO *r_u)
1329 {
1330         DOM_SID   sid;
1331         GROUP_MAP map;
1332         uint32    acc_granted;
1333
1334         r_u->status = NT_STATUS_OK;
1335
1336         DEBUG(5,("_samr_query_aliasinfo: %d\n", __LINE__));
1337
1338         /* find the policy handle.  open a policy on it. */
1339         if (!get_lsa_policy_samr_sid(p, &q_u->pol, &sid, &acc_granted))
1340                 return NT_STATUS_INVALID_HANDLE;
1341         if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, SA_RIGHT_ALIAS_LOOKUP_INFO, "_samr_query_aliasinfo"))) {
1342                 return r_u->status;
1343         }
1344
1345         if (!sid_check_is_in_our_domain(&sid) &&
1346             !sid_check_is_in_builtin(&sid))
1347                 return NT_STATUS_OBJECT_TYPE_MISMATCH;
1348
1349         if (!pdb_getgrsid(&map, sid, MAPPING_WITHOUT_PRIV))
1350                 return NT_STATUS_NO_SUCH_ALIAS;
1351
1352         switch (q_u->switch_level) {
1353         case 1:
1354                 r_u->ptr = 1;
1355                 r_u->ctr.switch_value1 = 1;
1356                 init_samr_alias_info1(&r_u->ctr.alias.info1, map.nt_name, 1, map.comment);
1357                 break;
1358         case 3:
1359                 r_u->ptr = 1;
1360                 r_u->ctr.switch_value1 = 3;
1361                 init_samr_alias_info3(&r_u->ctr.alias.info3, map.comment);
1362                 break;
1363         default:
1364                 return NT_STATUS_INVALID_INFO_CLASS;
1365         }
1366
1367         DEBUG(5,("_samr_query_aliasinfo: %d\n", __LINE__));
1368
1369         return r_u->status;
1370 }
1371
1372 #if 0
1373 /*******************************************************************
1374  samr_reply_lookup_ids
1375  ********************************************************************/
1376
1377  uint32 _samr_lookup_ids(pipes_struct *p, SAMR_Q_LOOKUP_IDS *q_u, SAMR_R_LOOKUP_IDS *r_u)
1378 {
1379     uint32 rid[MAX_SAM_ENTRIES];
1380     int num_rids = q_u->num_sids1;
1381
1382     r_u->status = NT_STATUS_OK;
1383
1384     DEBUG(5,("_samr_lookup_ids: %d\n", __LINE__));
1385
1386     if (num_rids > MAX_SAM_ENTRIES) {
1387         num_rids = MAX_SAM_ENTRIES;
1388         DEBUG(5,("_samr_lookup_ids: truncating entries to %d\n", num_rids));
1389     }
1390
1391 #if 0
1392     int i;
1393     SMB_ASSERT_ARRAY(q_u->uni_user_name, num_rids);
1394
1395     for (i = 0; i < num_rids && status == 0; i++)
1396     {
1397         struct sam_passwd *sam_pass;
1398         fstring user_name;
1399
1400
1401         fstrcpy(user_name, unistrn2(q_u->uni_user_name[i].buffer,
1402                                     q_u->uni_user_name[i].uni_str_len));
1403
1404         /* find the user account */
1405         become_root();
1406         sam_pass = get_smb21pwd_entry(user_name, 0);
1407         unbecome_root();
1408
1409         if (sam_pass == NULL)
1410         {
1411             status = 0xC0000000 | NT_STATUS_NO_SUCH_USER;
1412             rid[i] = 0;
1413         }
1414         else
1415         {
1416             rid[i] = sam_pass->user_rid;
1417         }
1418     }
1419 #endif
1420
1421     num_rids = 1;
1422     rid[0] = BUILTIN_ALIAS_RID_USERS;
1423
1424     init_samr_r_lookup_ids(&r_u, num_rids, rid, NT_STATUS_OK);
1425
1426     DEBUG(5,("_samr_lookup_ids: %d\n", __LINE__));
1427
1428     return r_u->status;
1429 }
1430 #endif
1431
1432 /*******************************************************************
1433  _samr_lookup_names
1434  ********************************************************************/
1435
1436 NTSTATUS _samr_lookup_names(pipes_struct *p, SAMR_Q_LOOKUP_NAMES *q_u, SAMR_R_LOOKUP_NAMES *r_u)
1437 {
1438         uint32 rid[MAX_SAM_ENTRIES];
1439         uint32 local_rid;
1440         enum SID_NAME_USE type[MAX_SAM_ENTRIES];
1441         enum SID_NAME_USE local_type;
1442         int i;
1443         int num_rids = q_u->num_names2;
1444         DOM_SID pol_sid;
1445         fstring sid_str;
1446         uint32  acc_granted;
1447
1448         r_u->status = NT_STATUS_OK;
1449
1450         DEBUG(5,("_samr_lookup_names: %d\n", __LINE__));
1451
1452         ZERO_ARRAY(rid);
1453         ZERO_ARRAY(type);
1454
1455         if (!get_lsa_policy_samr_sid(p, &q_u->pol, &pol_sid, &acc_granted)) {
1456                 init_samr_r_lookup_names(p->mem_ctx, r_u, 0, NULL, NULL, NT_STATUS_OBJECT_TYPE_MISMATCH);
1457                 return r_u->status;
1458         }
1459
1460         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 */
1461                 return r_u->status;
1462         }
1463
1464         if (num_rids > MAX_SAM_ENTRIES) {
1465                 num_rids = MAX_SAM_ENTRIES;
1466                 DEBUG(5,("_samr_lookup_names: truncating entries to %d\n", num_rids));
1467         }
1468
1469         DEBUG(5,("_samr_lookup_names: looking name on SID %s\n", sid_to_string(sid_str, &pol_sid)));
1470
1471         become_root(); /* local_lookup_name can require root privs */
1472
1473         for (i = 0; i < num_rids; i++) {
1474                 fstring name;
1475                 DOM_SID sid;
1476                 int ret;
1477
1478                 r_u->status = NT_STATUS_NONE_MAPPED;
1479
1480                 rid [i] = 0xffffffff;
1481                 type[i] = SID_NAME_UNKNOWN;
1482
1483                 ret = rpcstr_pull(name, q_u->uni_name[i].buffer, sizeof(name), q_u->uni_name[i].uni_str_len*2, 0);
1484
1485                 /*
1486                  * we are only looking for a name
1487                  * the SID we get back can be outside
1488                  * the scope of the pol_sid
1489                  *
1490                  * in clear: it prevents to reply to domain\group: yes
1491                  * when only builtin\group exists.
1492                  *
1493                  * a cleaner code is to add the sid of the domain we're looking in
1494                  * to the local_lookup_name function.
1495                  */
1496
1497                 if ((ret > 0) && local_lookup_name(name, &sid, &local_type)) {
1498                         sid_split_rid(&sid, &local_rid);
1499
1500                         if (sid_equal(&sid, &pol_sid)) {
1501                                 rid[i]=local_rid;
1502                                 type[i]=local_type;
1503                                 r_u->status = NT_STATUS_OK;
1504                         }
1505                 }
1506         }
1507
1508         unbecome_root();
1509
1510         init_samr_r_lookup_names(p->mem_ctx, r_u, num_rids, rid, (uint32 *)type, r_u->status);
1511
1512         DEBUG(5,("_samr_lookup_names: %d\n", __LINE__));
1513
1514         return r_u->status;
1515 }
1516
1517 /*******************************************************************
1518  _samr_chgpasswd_user
1519  ********************************************************************/
1520
1521 NTSTATUS _samr_chgpasswd_user(pipes_struct *p, SAMR_Q_CHGPASSWD_USER *q_u, SAMR_R_CHGPASSWD_USER *r_u)
1522 {
1523     fstring user_name;
1524     fstring wks;
1525
1526     DEBUG(5,("_samr_chgpasswd_user: %d\n", __LINE__));
1527
1528     r_u->status = NT_STATUS_OK;
1529
1530     rpcstr_pull(user_name, q_u->uni_user_name.buffer, sizeof(user_name), q_u->uni_user_name.uni_str_len*2, 0);
1531     rpcstr_pull(wks, q_u->uni_dest_host.buffer, sizeof(wks), q_u->uni_dest_host.uni_str_len*2,0);
1532
1533     DEBUG(5,("samr_chgpasswd_user: user: %s wks: %s\n", user_name, wks));
1534
1535         /*
1536          * Pass the user through the NT -> unix user mapping
1537          * function.
1538          */
1539
1540         (void)map_username(user_name);
1541
1542         /*
1543          * UNIX username case mangling not required, pass_oem_change
1544          * is case insensitive.
1545          */
1546
1547     r_u->status = pass_oem_change(user_name, q_u->lm_newpass.pass, q_u->lm_oldhash.hash,
1548                                   q_u->nt_newpass.pass, q_u->nt_oldhash.hash);
1549
1550     init_samr_r_chgpasswd_user(r_u, r_u->status);
1551
1552     DEBUG(5,("_samr_chgpasswd_user: %d\n", __LINE__));
1553
1554     return r_u->status;
1555 }
1556
1557 /*******************************************************************
1558 makes a SAMR_R_LOOKUP_RIDS structure.
1559 ********************************************************************/
1560
1561 static BOOL make_samr_lookup_rids(TALLOC_CTX *ctx, uint32 num_names, fstring names[],
1562             UNIHDR **pp_hdr_name, UNISTR2 **pp_uni_name)
1563 {
1564         uint32 i;
1565         UNIHDR *hdr_name=NULL;
1566         UNISTR2 *uni_name=NULL;
1567
1568         *pp_uni_name = NULL;
1569         *pp_hdr_name = NULL;
1570
1571         if (num_names != 0) {
1572                 hdr_name = (UNIHDR *)talloc_zero(ctx, sizeof(UNIHDR)*num_names);
1573                 if (hdr_name == NULL)
1574                         return False;
1575
1576                 uni_name = (UNISTR2 *)talloc_zero(ctx,sizeof(UNISTR2)*num_names);
1577                 if (uni_name == NULL)
1578                         return False;
1579         }
1580
1581         for (i = 0; i < num_names; i++) {
1582                 int len = names[i] != NULL ? strlen(names[i]) : 0;
1583                 DEBUG(10, ("names[%d]:%s\n", i, names[i]));
1584                 init_uni_hdr(&hdr_name[i], len);
1585                 init_unistr2(&uni_name[i], names[i], len);
1586         }
1587
1588         *pp_uni_name = uni_name;
1589         *pp_hdr_name = hdr_name;
1590
1591         return True;
1592 }
1593
1594 /*******************************************************************
1595  _samr_lookup_rids
1596  ********************************************************************/
1597
1598 NTSTATUS _samr_lookup_rids(pipes_struct *p, SAMR_Q_LOOKUP_RIDS *q_u, SAMR_R_LOOKUP_RIDS *r_u)
1599 {
1600         fstring group_names[MAX_SAM_ENTRIES];
1601         uint32 *group_attrs = NULL;
1602         UNIHDR *hdr_name = NULL;
1603         UNISTR2 *uni_name = NULL;
1604         DOM_SID pol_sid;
1605         int num_rids = q_u->num_rids1;
1606         int i;
1607         uint32 acc_granted;
1608
1609         r_u->status = NT_STATUS_OK;
1610
1611         DEBUG(5,("_samr_lookup_rids: %d\n", __LINE__));
1612
1613         /* find the policy handle.  open a policy on it. */
1614         if (!get_lsa_policy_samr_sid(p, &q_u->pol, &pol_sid, &acc_granted))
1615                 return NT_STATUS_INVALID_HANDLE;
1616
1617         if (num_rids > MAX_SAM_ENTRIES) {
1618                 num_rids = MAX_SAM_ENTRIES;
1619                 DEBUG(5,("_samr_lookup_rids: truncating entries to %d\n", num_rids));
1620         }
1621
1622         if (num_rids) {
1623                 if ((group_attrs = (uint32 *)talloc_zero(p->mem_ctx, num_rids * sizeof(uint32))) == NULL)
1624                         return NT_STATUS_NO_MEMORY;
1625         }
1626
1627         r_u->status = NT_STATUS_NONE_MAPPED;
1628
1629         become_root();  /* lookup_sid can require root privs */
1630
1631         for (i = 0; i < num_rids; i++) {
1632                 fstring tmpname;
1633                 fstring domname;
1634                 DOM_SID sid;
1635                 enum SID_NAME_USE type;
1636
1637                 group_attrs[i] = SID_NAME_UNKNOWN;
1638                 *group_names[i] = '\0';
1639
1640                 if (sid_equal(&pol_sid, get_global_sam_sid())) {
1641                         sid_copy(&sid, &pol_sid);
1642                         sid_append_rid(&sid, q_u->rid[i]);
1643
1644                         if (lookup_sid(&sid, domname, tmpname, &type)) {
1645                                 r_u->status = NT_STATUS_OK;
1646                                 group_attrs[i] = (uint32)type;
1647                                 fstrcpy(group_names[i],tmpname);
1648                                 DEBUG(5,("_samr_lookup_rids: %s:%d\n", group_names[i], group_attrs[i]));
1649                         }
1650                 }
1651         }
1652
1653         unbecome_root();
1654
1655         if(!make_samr_lookup_rids(p->mem_ctx, num_rids, group_names, &hdr_name, &uni_name))
1656                 return NT_STATUS_NO_MEMORY;
1657
1658         init_samr_r_lookup_rids(r_u, num_rids, hdr_name, uni_name, group_attrs);
1659
1660         DEBUG(5,("_samr_lookup_rids: %d\n", __LINE__));
1661
1662         return r_u->status;
1663 }
1664
1665 /*******************************************************************
1666  _api_samr_open_user. Safe - gives out no passwd info.
1667  ********************************************************************/
1668
1669 NTSTATUS _api_samr_open_user(pipes_struct *p, SAMR_Q_OPEN_USER *q_u, SAMR_R_OPEN_USER *r_u)
1670 {
1671         SAM_ACCOUNT *sampass=NULL;
1672         DOM_SID sid;
1673         POLICY_HND domain_pol = q_u->domain_pol;
1674         POLICY_HND *user_pol = &r_u->user_pol;
1675         struct samr_info *info = NULL;
1676         SEC_DESC *psd = NULL;
1677         uint32    acc_granted;
1678         uint32    des_access = q_u->access_mask;
1679         size_t    sd_size;
1680         BOOL ret;
1681         NTSTATUS nt_status;
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         if (!get_lsa_policy_samr_sid(p, &domain_pol, &sid, &acc_granted))
1687                 return NT_STATUS_INVALID_HANDLE;
1688
1689         if (!NT_STATUS_IS_OK(nt_status = access_check_samr_function(acc_granted, SA_RIGHT_DOMAIN_OPEN_ACCOUNT, "_samr_open_user"))) {
1690                 return nt_status;
1691         }
1692
1693         nt_status = pdb_init_sam_talloc(p->mem_ctx, &sampass);
1694         if (!NT_STATUS_IS_OK(nt_status)) {
1695                 return nt_status;
1696         }
1697
1698         /* append the user's RID to it */
1699         if (!sid_append_rid(&sid, q_u->user_rid))
1700                 return NT_STATUS_NO_SUCH_USER;
1701
1702         /* check if access can be granted as requested by client. */
1703         samr_make_usr_obj_sd(p->mem_ctx, &psd, &sd_size, &sid);
1704         se_map_generic(&des_access, &usr_generic_mapping);
1705         if (!NT_STATUS_IS_OK(nt_status =
1706                              access_check_samr_object(psd, p->pipe_user.nt_user_token,
1707                                                       des_access, &acc_granted, "_samr_open_user"))) {
1708                 return nt_status;
1709         }
1710
1711         become_root();
1712         ret=pdb_getsampwsid(sampass, &sid);
1713         unbecome_root();
1714
1715         /* check that the SID exists in our domain. */
1716         if (ret == False) {
1717                 return NT_STATUS_NO_SUCH_USER;
1718         }
1719
1720         pdb_free_sam(&sampass);
1721
1722         /* associate the user's SID and access bits with the new handle. */
1723         if ((info = get_samr_info_by_sid(&sid)) == NULL)
1724                 return NT_STATUS_NO_MEMORY;
1725         info->acc_granted = acc_granted;
1726
1727         /* get a (unique) handle.  open a policy on it. */
1728         if (!create_policy_hnd(p, user_pol, free_samr_info, (void *)info))
1729                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
1730
1731         return r_u->status;
1732 }
1733
1734 /*************************************************************************
1735  get_user_info_10. Safe. Only gives out acb bits.
1736  *************************************************************************/
1737
1738 static NTSTATUS get_user_info_10(TALLOC_CTX *mem_ctx, SAM_USER_INFO_10 *id10, DOM_SID *user_sid)
1739 {
1740         SAM_ACCOUNT *smbpass=NULL;
1741         BOOL ret;
1742         NTSTATUS nt_status;
1743
1744         nt_status = pdb_init_sam_talloc(mem_ctx, &smbpass);
1745
1746         if (!NT_STATUS_IS_OK(nt_status)) {
1747                 return nt_status;
1748         }
1749
1750         become_root();
1751         ret = pdb_getsampwsid(smbpass, user_sid);
1752         unbecome_root();
1753
1754         if (ret==False) {
1755                 DEBUG(4,("User %s not found\n", sid_string_static(user_sid)));
1756                 return NT_STATUS_NO_SUCH_USER;
1757         }
1758
1759         DEBUG(3,("User:[%s]\n", pdb_get_username(smbpass) ));
1760
1761         ZERO_STRUCTP(id10);
1762         init_sam_user_info10(id10, pdb_get_acct_ctrl(smbpass) );
1763
1764         pdb_free_sam(&smbpass);
1765
1766         return NT_STATUS_OK;
1767 }
1768
1769 /*************************************************************************
1770  get_user_info_12. OK - this is the killer as it gives out password info.
1771  Ensure that this is only allowed on an encrypted connection with a root
1772  user. JRA.
1773  *************************************************************************/
1774
1775 static NTSTATUS get_user_info_12(pipes_struct *p, TALLOC_CTX *mem_ctx, SAM_USER_INFO_12 * id12, DOM_SID *user_sid)
1776 {
1777         SAM_ACCOUNT *smbpass=NULL;
1778         BOOL ret;
1779         NTSTATUS nt_status;
1780
1781         if (!p->ntlmssp_auth_validated)
1782                 return NT_STATUS_ACCESS_DENIED;
1783
1784         if (!(p->ntlmssp_chal_flags & NTLMSSP_NEGOTIATE_SIGN) || !(p->ntlmssp_chal_flags & NTLMSSP_NEGOTIATE_SEAL))
1785                 return NT_STATUS_ACCESS_DENIED;
1786
1787         /*
1788          * Do *NOT* do become_root()/unbecome_root() here ! JRA.
1789          */
1790
1791         nt_status = pdb_init_sam_talloc(mem_ctx, &smbpass);
1792
1793         if (!NT_STATUS_IS_OK(nt_status)) {
1794                 return nt_status;
1795         }
1796
1797         ret = pdb_getsampwsid(smbpass, user_sid);
1798
1799         if (ret == False) {
1800                 DEBUG(4, ("User %s not found\n", sid_string_static(user_sid)));
1801                 pdb_free_sam(&smbpass);
1802                 return (geteuid() == (uid_t)0) ? NT_STATUS_NO_SUCH_USER : NT_STATUS_ACCESS_DENIED;
1803         }
1804
1805         DEBUG(3,("User:[%s] 0x%x\n", pdb_get_username(smbpass), pdb_get_acct_ctrl(smbpass) ));
1806
1807         if ( pdb_get_acct_ctrl(smbpass) & ACB_DISABLED) {
1808                 pdb_free_sam(&smbpass);
1809                 return NT_STATUS_ACCOUNT_DISABLED;
1810         }
1811
1812         ZERO_STRUCTP(id12);
1813         init_sam_user_info12(id12, pdb_get_lanman_passwd(smbpass), pdb_get_nt_passwd(smbpass));
1814
1815         pdb_free_sam(&smbpass);
1816
1817         return NT_STATUS_OK;
1818 }
1819
1820 /*************************************************************************
1821  get_user_info_20
1822  *************************************************************************/
1823
1824 static NTSTATUS get_user_info_20(TALLOC_CTX *mem_ctx, SAM_USER_INFO_20 *id20, DOM_SID *user_sid)
1825 {
1826         SAM_ACCOUNT *sampass=NULL;
1827         BOOL ret;
1828
1829         pdb_init_sam_talloc(mem_ctx, &sampass);
1830
1831         become_root();
1832         ret = pdb_getsampwsid(sampass, user_sid);
1833         unbecome_root();
1834
1835         if (ret == False) {
1836                 DEBUG(4,("User %s not found\n", sid_string_static(user_sid)));
1837                 return NT_STATUS_NO_SUCH_USER;
1838         }
1839
1840         samr_clear_sam_passwd(sampass);
1841
1842         DEBUG(3,("User:[%s]\n",  pdb_get_username(sampass) ));
1843
1844         ZERO_STRUCTP(id20);
1845         init_sam_user_info20A(id20, sampass);
1846
1847         pdb_free_sam(&sampass);
1848
1849         return NT_STATUS_OK;
1850 }
1851
1852 /*************************************************************************
1853  get_user_info_21
1854  *************************************************************************/
1855
1856 static NTSTATUS get_user_info_21(TALLOC_CTX *mem_ctx, SAM_USER_INFO_21 *id21,
1857                                  DOM_SID *user_sid, DOM_SID *domain_sid)
1858 {
1859         SAM_ACCOUNT *sampass=NULL;
1860         BOOL ret;
1861         NTSTATUS nt_status;
1862
1863         nt_status = pdb_init_sam_talloc(mem_ctx, &sampass);
1864         if (!NT_STATUS_IS_OK(nt_status)) {
1865                 return nt_status;
1866         }
1867
1868         become_root();
1869         ret = pdb_getsampwsid(sampass, user_sid);
1870         unbecome_root();
1871
1872         if (ret == False) {
1873                 DEBUG(4,("User %s not found\n", sid_string_static(user_sid)));
1874                 return NT_STATUS_NO_SUCH_USER;
1875         }
1876
1877         samr_clear_sam_passwd(sampass);
1878
1879         DEBUG(3,("User:[%s]\n",  pdb_get_username(sampass) ));
1880
1881         ZERO_STRUCTP(id21);
1882         nt_status = init_sam_user_info21A(id21, sampass, domain_sid);
1883
1884         pdb_free_sam(&sampass);
1885
1886         return NT_STATUS_OK;
1887 }
1888
1889 /*******************************************************************
1890  _samr_query_userinfo
1891  ********************************************************************/
1892
1893 NTSTATUS _samr_query_userinfo(pipes_struct *p, SAMR_Q_QUERY_USERINFO *q_u, SAMR_R_QUERY_USERINFO *r_u)
1894 {
1895         SAM_USERINFO_CTR *ctr;
1896         struct samr_info *info = NULL;
1897         DOM_SID domain_sid;
1898         uint32 rid;
1899
1900         r_u->status=NT_STATUS_OK;
1901
1902         /* search for the handle */
1903         if (!find_policy_by_hnd(p, &q_u->pol, (void **)&info))
1904                 return NT_STATUS_INVALID_HANDLE;
1905
1906         domain_sid = info->sid;
1907
1908         sid_split_rid(&domain_sid, &rid);
1909
1910         if (!sid_check_is_in_our_domain(&info->sid))
1911                 return NT_STATUS_OBJECT_TYPE_MISMATCH;
1912
1913         DEBUG(5,("_samr_query_userinfo: sid:%s\n", sid_string_static(&info->sid)));
1914
1915         ctr = (SAM_USERINFO_CTR *)talloc_zero(p->mem_ctx, sizeof(SAM_USERINFO_CTR));
1916         if (!ctr)
1917                 return NT_STATUS_NO_MEMORY;
1918
1919         ZERO_STRUCTP(ctr);
1920
1921         /* ok!  user info levels (lots: see MSDEV help), off we go... */
1922         ctr->switch_value = q_u->switch_value;
1923
1924         switch (q_u->switch_value) {
1925         case 0x10:
1926                 ctr->info.id10 = (SAM_USER_INFO_10 *)talloc_zero(p->mem_ctx, sizeof(SAM_USER_INFO_10));
1927                 if (ctr->info.id10 == NULL)
1928                         return NT_STATUS_NO_MEMORY;
1929
1930                 if (!NT_STATUS_IS_OK(r_u->status = get_user_info_10(p->mem_ctx, ctr->info.id10, &info->sid)))
1931                         return r_u->status;
1932                 break;
1933
1934 #if 0
1935 /* whoops - got this wrong.  i think.  or don't understand what's happening. */
1936         case 0x11:
1937         {
1938             NTTIME expire;
1939             info = (void *)&id11;
1940
1941             expire.low = 0xffffffff;
1942             expire.high = 0x7fffffff;
1943
1944             ctr->info.id = (SAM_USER_INFO_11 *)talloc_zero(p->mem_ctx,
1945                                     sizeof
1946                                     (*ctr->
1947                                      info.
1948                                      id11));
1949             ZERO_STRUCTP(ctr->info.id11);
1950             init_sam_user_info11(ctr->info.id11, &expire,
1951                          "BROOKFIELDS$",    /* name */
1952                          0x03ef,    /* user rid */
1953                          0x201, /* group rid */
1954                          0x0080);   /* acb info */
1955
1956             break;
1957         }
1958 #endif
1959
1960         case 0x12:
1961                 ctr->info.id12 = (SAM_USER_INFO_12 *)talloc_zero(p->mem_ctx, sizeof(SAM_USER_INFO_12));
1962                 if (ctr->info.id12 == NULL)
1963                         return NT_STATUS_NO_MEMORY;
1964
1965                 if (!NT_STATUS_IS_OK(r_u->status = get_user_info_12(p, p->mem_ctx, ctr->info.id12, &info->sid)))
1966                         return r_u->status;
1967                 break;
1968
1969         case 20:
1970                 ctr->info.id20 = (SAM_USER_INFO_20 *)talloc_zero(p->mem_ctx,sizeof(SAM_USER_INFO_20));
1971                 if (ctr->info.id20 == NULL)
1972                         return NT_STATUS_NO_MEMORY;
1973                 if (!NT_STATUS_IS_OK(r_u->status = get_user_info_20(p->mem_ctx, ctr->info.id20, &info->sid)))
1974                         return r_u->status;
1975                 break;
1976
1977         case 21:
1978                 ctr->info.id21 = (SAM_USER_INFO_21 *)talloc_zero(p->mem_ctx,sizeof(SAM_USER_INFO_21));
1979                 if (ctr->info.id21 == NULL)
1980                         return NT_STATUS_NO_MEMORY;
1981                 if (!NT_STATUS_IS_OK(r_u->status = get_user_info_21(p->mem_ctx, ctr->info.id21,
1982                                                                     &info->sid, &domain_sid)))
1983                         return r_u->status;
1984                 break;
1985
1986         default:
1987                 return NT_STATUS_INVALID_INFO_CLASS;
1988         }
1989
1990         init_samr_r_query_userinfo(r_u, ctr, r_u->status);
1991
1992         DEBUG(5,("_samr_query_userinfo: %d\n", __LINE__));
1993
1994         return r_u->status;
1995 }
1996
1997 /*******************************************************************
1998  samr_reply_query_usergroups
1999  ********************************************************************/
2000
2001 NTSTATUS _samr_query_usergroups(pipes_struct *p, SAMR_Q_QUERY_USERGROUPS *q_u, SAMR_R_QUERY_USERGROUPS *r_u)
2002 {
2003         SAM_ACCOUNT *sam_pass=NULL;
2004         DOM_SID  sid;
2005         DOM_GID *gids = NULL;
2006         int num_groups = 0;
2007         uint32 acc_granted;
2008         BOOL ret;
2009
2010         /*
2011          * from the SID in the request:
2012          * we should send back the list of DOMAIN GROUPS
2013          * the user is a member of
2014          *
2015          * and only the DOMAIN GROUPS
2016          * no ALIASES !!! neither aliases of the domain
2017          * nor aliases of the builtin SID
2018          *
2019          * JFM, 12/2/2001
2020          */
2021
2022         r_u->status = NT_STATUS_OK;
2023
2024         DEBUG(5,("_samr_query_usergroups: %d\n", __LINE__));
2025
2026         /* find the policy handle.  open a policy on it. */
2027         if (!get_lsa_policy_samr_sid(p, &q_u->pol, &sid, &acc_granted))
2028                 return NT_STATUS_INVALID_HANDLE;
2029
2030         if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, SA_RIGHT_USER_GET_GROUPS, "_samr_query_usergroups"))) {
2031                 return r_u->status;
2032         }
2033
2034         if (!sid_check_is_in_our_domain(&sid))
2035                 return NT_STATUS_OBJECT_TYPE_MISMATCH;
2036
2037         pdb_init_sam(&sam_pass);
2038
2039         become_root();
2040         ret = pdb_getsampwsid(sam_pass, &sid);
2041         unbecome_root();
2042
2043         if (ret == False) {
2044                 pdb_free_sam(&sam_pass);
2045                 return NT_STATUS_NO_SUCH_USER;
2046         }
2047
2048         if(!get_domain_user_groups(p->mem_ctx, &num_groups, &gids, sam_pass)) {
2049                 pdb_free_sam(&sam_pass);
2050                 return NT_STATUS_NO_SUCH_GROUP;
2051         }
2052
2053         /* construct the response.  lkclXXXX: gids are not copied! */
2054         init_samr_r_query_usergroups(r_u, num_groups, gids, r_u->status);
2055
2056         DEBUG(5,("_samr_query_usergroups: %d\n", __LINE__));
2057
2058         pdb_free_sam(&sam_pass);
2059
2060         return r_u->status;
2061 }
2062
2063 /*******************************************************************
2064  _samr_query_dom_info
2065  ********************************************************************/
2066
2067 NTSTATUS _samr_query_dom_info(pipes_struct *p, SAMR_Q_QUERY_DOMAIN_INFO *q_u, SAMR_R_QUERY_DOMAIN_INFO *r_u)
2068 {
2069         struct samr_info *info = NULL;
2070         SAM_UNK_CTR *ctr;
2071         uint32 min_pass_len,pass_hist,flag;
2072         time_t u_expire, u_min_age;
2073         NTTIME nt_expire, nt_min_age;
2074
2075         time_t u_lock_duration, u_reset_time;
2076         NTTIME nt_lock_duration, nt_reset_time;
2077         uint32 lockout;
2078
2079         time_t u_logout;
2080         NTTIME nt_logout;
2081
2082         uint32 account_policy_temp;
2083
2084         uint32 num_users=0, num_groups=0, num_aliases=0;
2085
2086         if ((ctr = (SAM_UNK_CTR *)talloc_zero(p->mem_ctx, sizeof(SAM_UNK_CTR))) == NULL)
2087                 return NT_STATUS_NO_MEMORY;
2088
2089         ZERO_STRUCTP(ctr);
2090
2091         r_u->status = NT_STATUS_OK;
2092
2093         DEBUG(5,("_samr_query_dom_info: %d\n", __LINE__));
2094
2095         /* find the policy handle.  open a policy on it. */
2096         if (!find_policy_by_hnd(p, &q_u->domain_pol, (void **)&info))
2097                 return NT_STATUS_INVALID_HANDLE;
2098
2099         switch (q_u->switch_value) {
2100                 case 0x01:
2101
2102                         account_policy_get(AP_MIN_PASSWORD_LEN, &account_policy_temp);
2103                         min_pass_len = account_policy_temp;
2104
2105                         account_policy_get(AP_PASSWORD_HISTORY, &account_policy_temp);
2106                         pass_hist = account_policy_temp;
2107
2108                         account_policy_get(AP_USER_MUST_LOGON_TO_CHG_PASS, &account_policy_temp);
2109                         flag = account_policy_temp;
2110
2111                         account_policy_get(AP_MAX_PASSWORD_AGE, &account_policy_temp);
2112                         u_expire = account_policy_temp;
2113
2114                         account_policy_get(AP_MIN_PASSWORD_AGE, &account_policy_temp);
2115                         u_min_age = account_policy_temp;
2116
2117                         unix_to_nt_time_abs(&nt_expire, u_expire);
2118                         unix_to_nt_time_abs(&nt_min_age, u_min_age);
2119
2120                         init_unk_info1(&ctr->info.inf1, (uint16)min_pass_len, (uint16)pass_hist,
2121                                        flag, nt_expire, nt_min_age);
2122                         break;
2123                 case 0x02:
2124                         become_root();
2125                         r_u->status=load_sampwd_entries(info, ACB_NORMAL, False);
2126                         unbecome_root();
2127                         if (!NT_STATUS_IS_OK(r_u->status)) {
2128                                 DEBUG(5, ("_samr_query_dispinfo: load_sampwd_entries failed\n"));
2129                                 return r_u->status;
2130                         }
2131                         num_users=info->disp_info.num_user_account;
2132                         free_samr_db(info);
2133
2134                         r_u->status=load_group_domain_entries(info, get_global_sam_sid());
2135                         if (!NT_STATUS_IS_OK(r_u->status)) {
2136                                 DEBUG(5, ("_samr_query_dispinfo: load_group_domain_entries failed\n"));
2137                                 return r_u->status;
2138                         }
2139                         num_groups=info->disp_info.num_group_account;
2140                         free_samr_db(info);
2141
2142                         /* The time call below is to get a sequence number for the sam. FIXME !!! JRA. */
2143                         init_unk_info2(&ctr->info.inf2, lp_workgroup(), global_myname(), (uint32) time(NULL),
2144                                        num_users, num_groups, num_aliases);
2145                         break;
2146                 case 0x03:
2147                         account_policy_get(AP_TIME_TO_LOGOUT, (int *)&u_logout);
2148                         unix_to_nt_time_abs(&nt_logout, u_logout);
2149
2150                         init_unk_info3(&ctr->info.inf3, nt_logout);
2151                         break;
2152                 case 0x05:
2153                         init_unk_info5(&ctr->info.inf5, global_myname());
2154                         break;
2155                 case 0x06:
2156                         init_unk_info6(&ctr->info.inf6);
2157                         break;
2158                 case 0x07:
2159                         init_unk_info7(&ctr->info.inf7);
2160                         break;
2161                 case 0x0c:
2162                         account_policy_get(AP_LOCK_ACCOUNT_DURATION, &account_policy_temp);
2163                         u_lock_duration = account_policy_temp;
2164
2165                         account_policy_get(AP_RESET_COUNT_TIME, &account_policy_temp);
2166                         u_reset_time = account_policy_temp;
2167
2168                         account_policy_get(AP_BAD_ATTEMPT_LOCKOUT, &account_policy_temp);
2169                         lockout = account_policy_temp;
2170
2171                         unix_to_nt_time_abs(&nt_lock_duration, u_lock_duration);
2172                         unix_to_nt_time_abs(&nt_reset_time, u_reset_time);
2173
2174                         init_unk_info12(&ctr->info.inf12, nt_lock_duration, nt_reset_time, (uint16)lockout);
2175                         break;
2176                 default:
2177                         return NT_STATUS_INVALID_INFO_CLASS;
2178                 }
2179
2180         init_samr_r_query_dom_info(r_u, q_u->switch_value, ctr, NT_STATUS_OK);
2181
2182         DEBUG(5,("_samr_query_dom_info: %d\n", __LINE__));
2183
2184         return r_u->status;
2185 }
2186
2187 /*******************************************************************
2188  _api_samr_create_user
2189  Create an account, can be either a normal user or a machine.
2190  This funcion will need to be updated for bdc/domain trusts.
2191  ********************************************************************/
2192
2193 NTSTATUS _api_samr_create_user(pipes_struct *p, SAMR_Q_CREATE_USER *q_u, SAMR_R_CREATE_USER *r_u)
2194 {
2195         SAM_ACCOUNT *sam_pass=NULL;
2196         fstring account;
2197         DOM_SID sid;
2198         pstring add_script;
2199         POLICY_HND dom_pol = q_u->domain_pol;
2200         UNISTR2 user_account = q_u->uni_name;
2201         uint16 acb_info = q_u->acb_info;
2202         POLICY_HND *user_pol = &r_u->user_pol;
2203         struct samr_info *info = NULL;
2204         BOOL ret;
2205         NTSTATUS nt_status;
2206         struct passwd *pw;
2207         uint32 acc_granted;
2208         SEC_DESC *psd;
2209         size_t    sd_size;
2210         /* check this, when giving away 'add computer to domain' privs */
2211         uint32    des_access = GENERIC_RIGHTS_USER_ALL_ACCESS;
2212
2213         /* Get the domain SID stored in the domain policy */
2214         if (!get_lsa_policy_samr_sid(p, &dom_pol, &sid, &acc_granted))
2215                 return NT_STATUS_INVALID_HANDLE;
2216
2217         if (!NT_STATUS_IS_OK(nt_status = access_check_samr_function(acc_granted, SA_RIGHT_DOMAIN_CREATE_USER, "_samr_create_user"))) {
2218                 return nt_status;
2219         }
2220
2221         /* find the account: tell the caller if it exists.
2222           lkclXXXX i have *no* idea if this is a problem or not
2223           or even if you are supposed to construct a different
2224           reply if the account already exists...
2225          */
2226
2227         rpcstr_pull(account, user_account.buffer, sizeof(account), user_account.uni_str_len*2, 0);
2228         strlower(account);
2229
2230         pdb_init_sam(&sam_pass);
2231
2232         become_root();
2233         ret = pdb_getsampwnam(sam_pass, account);
2234         unbecome_root();
2235         if (ret == True) {
2236                 /* this account exists: say so */
2237                 pdb_free_sam(&sam_pass);
2238                 return NT_STATUS_USER_EXISTS;
2239         }
2240
2241         pdb_free_sam(&sam_pass);
2242
2243         /*
2244          * NB. VERY IMPORTANT ! This call must be done as the current pipe user,
2245          * *NOT* surrounded by a become_root()/unbecome_root() call. This ensures
2246          * that only people with write access to the smbpasswd file will be able
2247          * to create a user. JRA.
2248          */
2249
2250         /*
2251          * add the user in the /etc/passwd file or the unix authority system.
2252          * We don't check if the smb_create_user() function succed or not for 2 reasons:
2253          * a) local_password_change() checks for us if the /etc/passwd account really exists
2254          * b) smb_create_user() would return an error if the account already exists
2255          * and as it could return an error also if it can't create the account, it would be tricky.
2256          *
2257          * So we go the easy way, only check after if the account exists.
2258          * JFM (2/3/2001), to clear any possible bad understanding (-:
2259          *
2260          * We now have seperate script paramaters for adding users/machines so we
2261          * now have some sainity-checking to match.
2262          */
2263
2264         DEBUG(10,("checking account %s at pos %d for $ termination\n",account, strlen(account)-1));
2265 #if 0
2266         if ((acb_info & ACB_WSTRUST) && (account[strlen(account)-1] == '$')) {
2267                 pstrcpy(add_script, lp_addmachine_script());
2268         } else if ((!(acb_info & ACB_WSTRUST)) && (account[strlen(account)-1] != '$')) {
2269                 pstrcpy(add_script, lp_adduser_script());
2270         } else {
2271                 DEBUG(0, ("_api_samr_create_user: mismatch between trust flags and $ termination\n"));
2272                 pdb_free_sam(&sam_pass);
2273                 return NT_STATUS_UNSUCCESSFUL;
2274         }
2275 #endif
2276
2277         /* the passdb lookup has failed; check to see if we need to run the
2278            add user/machine script */
2279
2280         pw = Get_Pwnam(account);
2281
2282         if ( !pw ) {
2283                 /*
2284                  * we can't check both the ending $ and the acb_info.
2285                  *
2286                  * UserManager creates trust accounts (ending in $,
2287                  * normal that hidden accounts) with the acb_info equals to ACB_NORMAL.
2288                  * JFM, 11/29/2001
2289                  */
2290                 if (account[strlen(account)-1] == '$')
2291                         pstrcpy(add_script, lp_addmachine_script());
2292                 else
2293                         pstrcpy(add_script, lp_adduser_script());
2294
2295                 if (*add_script) {
2296                         int add_ret;
2297                         all_string_sub(add_script, "%u", account, sizeof(account));
2298                         add_ret = smbrun(add_script,NULL);
2299                         DEBUG(3,("_api_samr_create_user: Running the command `%s' gave %d\n", add_script, add_ret));
2300                 }
2301
2302         }
2303
2304         nt_status = pdb_init_sam_new(&sam_pass, account);
2305         if (!NT_STATUS_IS_OK(nt_status))
2306                 return nt_status;
2307
2308         pdb_set_acct_ctrl(sam_pass, acb_info, PDB_CHANGED);
2309
2310         if (!pdb_add_sam_account(sam_pass)) {
2311                 pdb_free_sam(&sam_pass);
2312                 DEBUG(0, ("could not add user/computer %s to passdb.  Check permissions?\n",
2313                           account));
2314                 return NT_STATUS_ACCESS_DENIED;
2315         }
2316
2317         /* Get the user's SID */
2318         sid_copy(&sid, pdb_get_user_sid(sam_pass));
2319
2320         samr_make_usr_obj_sd(p->mem_ctx, &psd, &sd_size, &sid);
2321         se_map_generic(&des_access, &usr_generic_mapping);
2322         if (!NT_STATUS_IS_OK(nt_status =
2323                              access_check_samr_object(psd, p->pipe_user.nt_user_token,
2324                                                       des_access, &acc_granted, "_samr_create_user"))) {
2325                 return nt_status;
2326         }
2327
2328         /* associate the user's SID with the new handle. */
2329         if ((info = get_samr_info_by_sid(&sid)) == NULL) {
2330                 pdb_free_sam(&sam_pass);
2331                 return NT_STATUS_NO_MEMORY;
2332         }
2333
2334         ZERO_STRUCTP(info);
2335         info->sid = sid;
2336         info->acc_granted = acc_granted;
2337
2338         /* get a (unique) handle.  open a policy on it. */
2339         if (!create_policy_hnd(p, user_pol, free_samr_info, (void *)info)) {
2340                 pdb_free_sam(&sam_pass);
2341                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
2342         }
2343
2344         r_u->user_rid=pdb_get_user_rid(sam_pass);
2345
2346         r_u->access_granted = acc_granted;
2347
2348         pdb_free_sam(&sam_pass);
2349
2350         return NT_STATUS_OK;
2351 }
2352
2353 /*******************************************************************
2354  samr_reply_connect_anon
2355  ********************************************************************/
2356
2357 NTSTATUS _samr_connect_anon(pipes_struct *p, SAMR_Q_CONNECT_ANON *q_u, SAMR_R_CONNECT_ANON *r_u)
2358 {
2359         struct samr_info *info = NULL;
2360
2361         /* Access check */
2362
2363         if (!pipe_access_check(p)) {
2364                 DEBUG(3, ("access denied to samr_connect_anon\n"));
2365                 r_u->status = NT_STATUS_ACCESS_DENIED;
2366                 return r_u->status;
2367         }
2368
2369         /* set up the SAMR connect_anon response */
2370
2371         r_u->status = NT_STATUS_OK;
2372
2373         /* associate the user's SID with the new handle. */
2374         if ((info = get_samr_info_by_sid(NULL)) == NULL)
2375                 return NT_STATUS_NO_MEMORY;
2376
2377         info->status = q_u->unknown_0;
2378
2379         /* get a (unique) handle.  open a policy on it. */
2380         if (!create_policy_hnd(p, &r_u->connect_pol, free_samr_info, (void *)info))
2381                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
2382
2383         return r_u->status;
2384 }
2385
2386 /*******************************************************************
2387  samr_reply_connect
2388  ********************************************************************/
2389
2390 NTSTATUS _samr_connect(pipes_struct *p, SAMR_Q_CONNECT *q_u, SAMR_R_CONNECT *r_u)
2391 {
2392         struct samr_info *info = NULL;
2393         SEC_DESC *psd = NULL;
2394         uint32    acc_granted;
2395         uint32    des_access = q_u->access_mask;
2396         size_t    sd_size;
2397         NTSTATUS  nt_status;
2398
2399
2400         DEBUG(5,("_samr_connect: %d\n", __LINE__));
2401
2402         /* Access check */
2403
2404         if (!pipe_access_check(p)) {
2405                 DEBUG(3, ("access denied to samr_connect\n"));
2406                 r_u->status = NT_STATUS_ACCESS_DENIED;
2407                 return r_u->status;
2408         }
2409
2410         samr_make_sam_obj_sd(p->mem_ctx, &psd, &sd_size);
2411         se_map_generic(&des_access, &sam_generic_mapping);
2412         if (!NT_STATUS_IS_OK(nt_status =
2413                              access_check_samr_object(psd, p->pipe_user.nt_user_token,
2414                                                       des_access, &acc_granted, "_samr_connect"))) {
2415                 return nt_status;
2416         }
2417
2418         r_u->status = NT_STATUS_OK;
2419
2420         /* associate the user's SID and access granted with the new handle. */
2421         if ((info = get_samr_info_by_sid(NULL)) == NULL)
2422                 return NT_STATUS_NO_MEMORY;
2423
2424         info->acc_granted = acc_granted;
2425         info->status = q_u->access_mask;
2426
2427         /* get a (unique) handle.  open a policy on it. */
2428         if (!create_policy_hnd(p, &r_u->connect_pol, free_samr_info, (void *)info))
2429                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
2430
2431         DEBUG(5,("_samr_connect: %d\n", __LINE__));
2432
2433         return r_u->status;
2434 }
2435
2436 /*******************************************************************
2437  samr_connect4
2438  ********************************************************************/
2439
2440 NTSTATUS _samr_connect4(pipes_struct *p, SAMR_Q_CONNECT4 *q_u, SAMR_R_CONNECT4 *r_u)
2441 {
2442         struct samr_info *info = NULL;
2443         SEC_DESC *psd = NULL;
2444         uint32    acc_granted;
2445         uint32    des_access = q_u->access_mask;
2446         size_t    sd_size;
2447         NTSTATUS  nt_status;
2448
2449
2450         DEBUG(5,("_samr_connect4: %d\n", __LINE__));
2451
2452         /* Access check */
2453
2454         if (!pipe_access_check(p)) {
2455                 DEBUG(3, ("access denied to samr_connect4\n"));
2456                 r_u->status = NT_STATUS_ACCESS_DENIED;
2457                 return r_u->status;
2458         }
2459
2460         samr_make_sam_obj_sd(p->mem_ctx, &psd, &sd_size);
2461         se_map_generic(&des_access, &sam_generic_mapping);
2462         if (!NT_STATUS_IS_OK(nt_status =
2463                              access_check_samr_object(psd, p->pipe_user.nt_user_token,
2464                                                       des_access, &acc_granted, "_samr_connect"))) {
2465                 return nt_status;
2466         }
2467
2468         r_u->status = NT_STATUS_OK;
2469
2470         /* associate the user's SID and access granted with the new handle. */
2471         if ((info = get_samr_info_by_sid(NULL)) == NULL)
2472                 return NT_STATUS_NO_MEMORY;
2473
2474         info->acc_granted = acc_granted;
2475         info->status = q_u->access_mask;
2476
2477         /* get a (unique) handle.  open a policy on it. */
2478         if (!create_policy_hnd(p, &r_u->connect_pol, free_samr_info, (void *)info))
2479                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
2480
2481         DEBUG(5,("_samr_connect: %d\n", __LINE__));
2482
2483         return r_u->status;
2484 }
2485
2486 /**********************************************************************
2487  api_samr_lookup_domain
2488  **********************************************************************/
2489
2490 NTSTATUS _samr_lookup_domain(pipes_struct *p, SAMR_Q_LOOKUP_DOMAIN *q_u, SAMR_R_LOOKUP_DOMAIN *r_u)
2491 {
2492         struct samr_info *info;
2493         fstring domain_name;
2494         DOM_SID sid;
2495
2496         r_u->status = NT_STATUS_OK;
2497
2498         if (!find_policy_by_hnd(p, &q_u->connect_pol, (void**)&info))
2499                 return NT_STATUS_INVALID_HANDLE;
2500
2501         if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(info->acc_granted, SA_RIGHT_SAM_OPEN_DOMAIN, "_samr_lookup_domain"))) {
2502                 return r_u->status;
2503         }
2504
2505         rpcstr_pull(domain_name, q_u->uni_domain.buffer, sizeof(domain_name), q_u->uni_domain.uni_str_len*2, 0);
2506
2507         ZERO_STRUCT(sid);
2508
2509         if (!secrets_fetch_domain_sid(domain_name, &sid)) {
2510                 r_u->status = NT_STATUS_NO_SUCH_DOMAIN;
2511         }
2512
2513         DEBUG(2,("Returning domain sid for domain %s -> %s\n", domain_name, sid_string_static(&sid)));
2514
2515         init_samr_r_lookup_domain(r_u, &sid, r_u->status);
2516
2517         return r_u->status;
2518 }
2519
2520 /******************************************************************
2521 makes a SAMR_R_ENUM_DOMAINS structure.
2522 ********************************************************************/
2523
2524 static BOOL make_enum_domains(TALLOC_CTX *ctx, SAM_ENTRY **pp_sam,
2525                         UNISTR2 **pp_uni_name, uint32 num_sam_entries, fstring doms[])
2526 {
2527         uint32 i;
2528         SAM_ENTRY *sam;
2529         UNISTR2 *uni_name;
2530
2531         DEBUG(5, ("make_enum_domains\n"));
2532
2533         *pp_sam = NULL;
2534         *pp_uni_name = NULL;
2535
2536         if (num_sam_entries == 0)
2537                 return True;
2538
2539         sam = (SAM_ENTRY *)talloc_zero(ctx, sizeof(SAM_ENTRY)*num_sam_entries);
2540         uni_name = (UNISTR2 *)talloc_zero(ctx, sizeof(UNISTR2)*num_sam_entries);
2541
2542         if (sam == NULL || uni_name == NULL)
2543                 return False;
2544
2545         for (i = 0; i < num_sam_entries; i++) {
2546                 int len = doms[i] != NULL ? strlen(doms[i]) : 0;
2547
2548                 init_sam_entry(&sam[i], len, 0);
2549                 init_unistr2(&uni_name[i], doms[i], len);
2550         }
2551
2552         *pp_sam = sam;
2553         *pp_uni_name = uni_name;
2554
2555         return True;
2556 }
2557
2558 /**********************************************************************
2559  api_samr_enum_domains
2560  **********************************************************************/
2561
2562 NTSTATUS _samr_enum_domains(pipes_struct *p, SAMR_Q_ENUM_DOMAINS *q_u, SAMR_R_ENUM_DOMAINS *r_u)
2563 {
2564         struct samr_info *info;
2565         uint32 num_entries = 2;
2566         fstring dom[2];
2567         const char *name;
2568
2569         r_u->status = NT_STATUS_OK;
2570
2571         if (!find_policy_by_hnd(p, &q_u->pol, (void**)&info))
2572                 return NT_STATUS_INVALID_HANDLE;
2573
2574         if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(info->acc_granted, SA_RIGHT_SAM_ENUM_DOMAINS, "_samr_enum_domains"))) {
2575                 return r_u->status;
2576         }
2577
2578         switch (lp_server_role()) {
2579         case ROLE_DOMAIN_PDC:
2580         case ROLE_DOMAIN_BDC:
2581                 name = lp_workgroup();
2582                 break;
2583         default:
2584                 name = global_myname();
2585         }
2586
2587         fstrcpy(dom[0],name);
2588         strupper(dom[0]);
2589         fstrcpy(dom[1],"Builtin");
2590
2591         if (!make_enum_domains(p->mem_ctx, &r_u->sam, &r_u->uni_dom_name, num_entries, dom))
2592                 return NT_STATUS_NO_MEMORY;
2593
2594         init_samr_r_enum_domains(r_u, q_u->start_idx + num_entries, num_entries);
2595
2596         return r_u->status;
2597 }
2598
2599 /*******************************************************************
2600  api_samr_open_alias
2601  ********************************************************************/
2602
2603 NTSTATUS _api_samr_open_alias(pipes_struct *p, SAMR_Q_OPEN_ALIAS *q_u, SAMR_R_OPEN_ALIAS *r_u)
2604 {
2605         DOM_SID sid;
2606         POLICY_HND domain_pol = q_u->dom_pol;
2607         uint32 alias_rid = q_u->rid_alias;
2608         POLICY_HND *alias_pol = &r_u->pol;
2609         struct    samr_info *info = NULL;
2610         SEC_DESC *psd = NULL;
2611         uint32    acc_granted;
2612         uint32    des_access = q_u->access_mask;
2613         size_t    sd_size;
2614         NTSTATUS  status;
2615
2616         r_u->status = NT_STATUS_OK;
2617
2618         /* find the domain policy and get the SID / access bits stored in the domain policy */
2619         if (!get_lsa_policy_samr_sid(p, &domain_pol, &sid, &acc_granted))
2620                 return NT_STATUS_INVALID_HANDLE;
2621
2622         if (!NT_STATUS_IS_OK(status = access_check_samr_function(acc_granted, SA_RIGHT_DOMAIN_OPEN_ACCOUNT, "_samr_open_alias"))) {
2623                 return status;
2624         }
2625
2626         /* append the alias' RID to it */
2627         if (!sid_append_rid(&sid, alias_rid))
2628                 return NT_STATUS_NO_SUCH_USER;
2629
2630         /*check if access can be granted as requested by client. */
2631         samr_make_ali_obj_sd(p->mem_ctx, &psd, &sd_size);
2632         se_map_generic(&des_access,&ali_generic_mapping);
2633         if (!NT_STATUS_IS_OK(status =
2634                              access_check_samr_object(psd, p->pipe_user.nt_user_token,
2635                                                       des_access, &acc_granted, "_samr_open_alias"))) {
2636                 return status;
2637         }
2638
2639         /*
2640          * we should check if the rid really exist !!!
2641          * JFM.
2642          */
2643
2644         /* associate the user's SID with the new handle. */
2645         if ((info = get_samr_info_by_sid(&sid)) == NULL)
2646                 return NT_STATUS_NO_MEMORY;
2647
2648         info->acc_granted = acc_granted;
2649
2650         /* get a (unique) handle.  open a policy on it. */
2651         if (!create_policy_hnd(p, alias_pol, free_samr_info, (void *)info))
2652                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
2653
2654         return r_u->status;
2655 }
2656
2657 /*******************************************************************
2658  set_user_info_10
2659  ********************************************************************/
2660
2661 static BOOL set_user_info_10(const SAM_USER_INFO_10 *id10, DOM_SID *sid)
2662 {
2663         SAM_ACCOUNT *pwd =NULL;
2664         BOOL ret;
2665
2666         pdb_init_sam(&pwd);
2667
2668         ret = pdb_getsampwsid(pwd, sid);
2669
2670         if(ret==False) {
2671                 pdb_free_sam(&pwd);
2672                 return False;
2673         }
2674
2675         if (id10 == NULL) {
2676                 DEBUG(5, ("set_user_info_10: NULL id10\n"));
2677                 pdb_free_sam(&pwd);
2678                 return False;
2679         }
2680
2681         /* FIX ME: check if the value is really changed --metze */
2682         if (!pdb_set_acct_ctrl(pwd, id10->acb_info, PDB_CHANGED)) {
2683                 pdb_free_sam(&pwd);
2684                 return False;
2685         }
2686
2687         if(!pdb_update_sam_account(pwd)) {
2688                 pdb_free_sam(&pwd);
2689                 return False;
2690         }
2691
2692         pdb_free_sam(&pwd);
2693
2694         return True;
2695 }
2696
2697 /*******************************************************************
2698  set_user_info_12
2699  ********************************************************************/
2700
2701 static BOOL set_user_info_12(SAM_USER_INFO_12 *id12, DOM_SID *sid)
2702 {
2703         SAM_ACCOUNT *pwd = NULL;
2704
2705         pdb_init_sam(&pwd);
2706
2707         if(!pdb_getsampwsid(pwd, sid)) {
2708                 pdb_free_sam(&pwd);
2709                 return False;
2710         }
2711
2712         if (id12 == NULL) {
2713                 DEBUG(2, ("set_user_info_12: id12 is NULL\n"));
2714                 pdb_free_sam(&pwd);
2715                 return False;
2716         }
2717
2718         if (!pdb_set_lanman_passwd (pwd, id12->lm_pwd, PDB_CHANGED)) {
2719                 pdb_free_sam(&pwd);
2720                 return False;
2721         }
2722         if (!pdb_set_nt_passwd     (pwd, id12->nt_pwd, PDB_CHANGED)) {
2723                 pdb_free_sam(&pwd);
2724                 return False;
2725         }
2726         if (!pdb_set_pass_changed_now (pwd)) {
2727                 pdb_free_sam(&pwd);
2728                 return False;
2729         }
2730
2731         if(!pdb_update_sam_account(pwd)) {
2732                 pdb_free_sam(&pwd);
2733                 return False;
2734         }
2735
2736         pdb_free_sam(&pwd);
2737         return True;
2738 }
2739
2740 /*******************************************************************
2741  set_user_info_21
2742  ********************************************************************/
2743
2744 static BOOL set_user_info_21(SAM_USER_INFO_21 *id21, DOM_SID *sid)
2745 {
2746         SAM_ACCOUNT *pwd = NULL;
2747
2748         if (id21 == NULL) {
2749                 DEBUG(5, ("set_user_info_21: NULL id21\n"));
2750                 return False;
2751         }
2752
2753         pdb_init_sam(&pwd);
2754
2755         if (!pdb_getsampwsid(pwd, sid)) {
2756                 pdb_free_sam(&pwd);
2757                 return False;
2758         }
2759
2760         copy_id21_to_sam_passwd(pwd, id21);
2761
2762         /*
2763          * The funny part about the previous two calls is
2764          * that pwd still has the password hashes from the
2765          * passdb entry.  These have not been updated from
2766          * id21.  I don't know if they need to be set.    --jerry
2767          */
2768
2769         /* write the change out */
2770         if(!pdb_update_sam_account(pwd)) {
2771                 pdb_free_sam(&pwd);
2772                 return False;
2773         }
2774
2775         pdb_free_sam(&pwd);
2776
2777         return True;
2778 }
2779
2780 /*******************************************************************
2781  set_user_info_23
2782  ********************************************************************/
2783
2784 static BOOL set_user_info_23(SAM_USER_INFO_23 *id23, DOM_SID *sid)
2785 {
2786         SAM_ACCOUNT *pwd = NULL;
2787         pstring plaintext_buf;
2788         uint32 len;
2789         uint16 acct_ctrl;
2790
2791         if (id23 == NULL) {
2792                 DEBUG(5, ("set_user_info_23: NULL id23\n"));
2793                 return False;
2794         }
2795
2796         pdb_init_sam(&pwd);
2797
2798         if (!pdb_getsampwsid(pwd, sid)) {
2799                 pdb_free_sam(&pwd);
2800                 return False;
2801         }
2802
2803         DEBUG(5, ("Attempting administrator password change (level 23) for user %s\n",
2804                   pdb_get_username(pwd)));
2805
2806         acct_ctrl = pdb_get_acct_ctrl(pwd);
2807
2808         if (!decode_pw_buffer((char*)id23->pass, plaintext_buf, 256, &len)) {
2809                 pdb_free_sam(&pwd);
2810                 return False;
2811         }
2812
2813         if (!pdb_set_plaintext_passwd (pwd, plaintext_buf)) {
2814                 pdb_free_sam(&pwd);
2815                 return False;
2816         }
2817
2818         copy_id23_to_sam_passwd(pwd, id23);
2819
2820         /* if it's a trust account, don't update /etc/passwd */
2821         if ( (!IS_SAM_UNIX_USER(pwd)) ||
2822                 ( (acct_ctrl &  ACB_DOMTRUST) == ACB_DOMTRUST ) ||
2823                 ( (acct_ctrl &  ACB_WSTRUST) ==  ACB_WSTRUST) ||
2824                 ( (acct_ctrl &  ACB_SVRTRUST) ==  ACB_SVRTRUST) ) {
2825                 DEBUG(5, ("Changing trust account or non-unix-user password, not updating /etc/passwd\n"));
2826         } else  {
2827                 /* update the UNIX password */
2828                 if (lp_unix_password_sync() )
2829                         if(!chgpasswd(pdb_get_username(pwd), "", plaintext_buf, True)) {
2830                                 pdb_free_sam(&pwd);
2831                                 return False;
2832                         }
2833         }
2834
2835         ZERO_STRUCT(plaintext_buf);
2836
2837         if(!pdb_update_sam_account(pwd)) {
2838                 pdb_free_sam(&pwd);
2839                 return False;
2840         }
2841
2842         pdb_free_sam(&pwd);
2843
2844         return True;
2845 }
2846
2847 /*******************************************************************
2848  set_user_info_pw
2849  ********************************************************************/
2850
2851 static BOOL set_user_info_pw(char *pass, DOM_SID *sid)
2852 {
2853         SAM_ACCOUNT *pwd = NULL;
2854         uint32 len;
2855         pstring plaintext_buf;
2856         uint16 acct_ctrl;
2857
2858         pdb_init_sam(&pwd);
2859
2860         if (!pdb_getsampwsid(pwd, sid)) {
2861                 pdb_free_sam(&pwd);
2862                 return False;
2863         }
2864
2865         DEBUG(5, ("Attempting administrator password change for user %s\n",
2866                   pdb_get_username(pwd)));
2867
2868         acct_ctrl = pdb_get_acct_ctrl(pwd);
2869
2870         ZERO_STRUCT(plaintext_buf);
2871
2872         if (!decode_pw_buffer(pass, plaintext_buf, 256, &len)) {
2873                 pdb_free_sam(&pwd);
2874                 return False;
2875         }
2876
2877         if (!pdb_set_plaintext_passwd (pwd, plaintext_buf)) {
2878                 pdb_free_sam(&pwd);
2879                 return False;
2880         }
2881
2882         /* if it's a trust account, don't update /etc/passwd */
2883         if ( (!IS_SAM_UNIX_USER(pwd)) ||
2884                 ( (acct_ctrl &  ACB_DOMTRUST) == ACB_DOMTRUST ) ||
2885                 ( (acct_ctrl &  ACB_WSTRUST) ==  ACB_WSTRUST) ||
2886                 ( (acct_ctrl &  ACB_SVRTRUST) ==  ACB_SVRTRUST) ) {
2887                 DEBUG(5, ("Changing trust account or non-unix-user password, not updating /etc/passwd\n"));
2888         } else {
2889                 /* update the UNIX password */
2890                 if (lp_unix_password_sync()) {
2891                         if(!chgpasswd(pdb_get_username(pwd), "", plaintext_buf, True)) {
2892                                 pdb_free_sam(&pwd);
2893                                 return False;
2894                         }
2895                 }
2896         }
2897
2898         ZERO_STRUCT(plaintext_buf);
2899
2900         DEBUG(5,("set_user_info_pw: pdb_update_pwd()\n"));
2901
2902         /* update the SAMBA password */
2903         if(!pdb_update_sam_account(pwd)) {
2904                 pdb_free_sam(&pwd);
2905                 return False;
2906         }
2907
2908         pdb_free_sam(&pwd);
2909
2910         return True;
2911 }
2912
2913 /*******************************************************************
2914  samr_reply_set_userinfo
2915  ********************************************************************/
2916
2917 NTSTATUS _samr_set_userinfo(pipes_struct *p, SAMR_Q_SET_USERINFO *q_u, SAMR_R_SET_USERINFO *r_u)
2918 {
2919         DOM_SID sid;
2920         POLICY_HND *pol = &q_u->pol;
2921         uint16 switch_value = q_u->switch_value;
2922         SAM_USERINFO_CTR *ctr = q_u->ctr;
2923         uint32 acc_granted;
2924         uint32 acc_required;
2925
2926         DEBUG(5, ("_samr_set_userinfo: %d\n", __LINE__));
2927
2928         r_u->status = NT_STATUS_OK;
2929
2930         /* find the policy handle.  open a policy on it. */
2931         if (!get_lsa_policy_samr_sid(p, pol, &sid, &acc_granted))
2932                 return NT_STATUS_INVALID_HANDLE;
2933
2934         acc_required = SA_RIGHT_USER_SET_LOC_COM | SA_RIGHT_USER_SET_ATTRIBUTES; /* This is probably wrong */
2935         if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, acc_required, "_samr_set_userinfo"))) {
2936                 return r_u->status;
2937         }
2938
2939         DEBUG(5, ("_samr_set_userinfo: sid:%s, level:%d\n", sid_string_static(&sid), switch_value));
2940
2941         if (ctr == NULL) {
2942                 DEBUG(5, ("_samr_set_userinfo: NULL info level\n"));
2943                 return NT_STATUS_INVALID_INFO_CLASS;
2944         }
2945
2946         /* ok!  user info levels (lots: see MSDEV help), off we go... */
2947         switch (switch_value) {
2948                 case 0x12:
2949                         if (!set_user_info_12(ctr->info.id12, &sid))
2950                                 return NT_STATUS_ACCESS_DENIED;
2951                         break;
2952
2953                 case 24:
2954                         SamOEMhash(ctr->info.id24->pass, p->session_key, 516);
2955
2956                         dump_data(100, (char *)ctr->info.id24->pass, 516);
2957
2958                         if (!set_user_info_pw((char *)ctr->info.id24->pass, &sid))
2959                                 return NT_STATUS_ACCESS_DENIED;
2960                         break;
2961
2962                 case 25:
2963 #if 0
2964                         /*
2965                          * Currently we don't really know how to unmarshall
2966                          * the level 25 struct, and the password encryption
2967                          * is different. This is a placeholder for when we
2968                          * do understand it. In the meantime just return INVALID
2969                          * info level and W2K SP2 drops down to level 23... JRA.
2970                          */
2971
2972                         SamOEMhash(ctr->info.id25->pass, p->session_key, 532);
2973
2974                         dump_data(100, (char *)ctr->info.id25->pass, 532);
2975
2976                         if (!set_user_info_pw(ctr->info.id25->pass, &sid))
2977                                 return NT_STATUS_ACCESS_DENIED;
2978                         break;
2979 #endif
2980                         return NT_STATUS_INVALID_INFO_CLASS;
2981
2982                 case 23:
2983                         SamOEMhash(ctr->info.id23->pass, p->session_key, 516);
2984
2985                         dump_data(100, (char *)ctr->info.id23->pass, 516);
2986
2987                         if (!set_user_info_23(ctr->info.id23, &sid))
2988                                 return NT_STATUS_ACCESS_DENIED;
2989                         break;
2990
2991                 default:
2992                         return NT_STATUS_INVALID_INFO_CLASS;
2993         }
2994
2995         return r_u->status;
2996 }
2997
2998 /*******************************************************************
2999  samr_reply_set_userinfo2
3000  ********************************************************************/
3001
3002 NTSTATUS _samr_set_userinfo2(pipes_struct *p, SAMR_Q_SET_USERINFO2 *q_u, SAMR_R_SET_USERINFO2 *r_u)
3003 {
3004         DOM_SID sid;
3005         SAM_USERINFO_CTR *ctr = q_u->ctr;
3006         POLICY_HND *pol = &q_u->pol;
3007         uint16 switch_value = q_u->switch_value;
3008         uint32 acc_granted;
3009         uint32 acc_required;
3010
3011         DEBUG(5, ("samr_reply_set_userinfo2: %d\n", __LINE__));
3012
3013         r_u->status = NT_STATUS_OK;
3014
3015         /* find the policy handle.  open a policy on it. */
3016         if (!get_lsa_policy_samr_sid(p, pol, &sid, &acc_granted))
3017                 return NT_STATUS_INVALID_HANDLE;
3018
3019         acc_required = SA_RIGHT_USER_SET_LOC_COM | SA_RIGHT_USER_SET_ATTRIBUTES; /* This is probably wrong */
3020         if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, acc_required, "_samr_set_userinfo2"))) {
3021                 return r_u->status;
3022         }
3023
3024         DEBUG(5, ("samr_reply_set_userinfo2: sid:%s\n", sid_string_static(&sid)));
3025
3026         if (ctr == NULL) {
3027                 DEBUG(5, ("samr_reply_set_userinfo2: NULL info level\n"));
3028                 return NT_STATUS_INVALID_INFO_CLASS;
3029         }
3030
3031         switch_value=ctr->switch_value;
3032
3033         /* ok!  user info levels (lots: see MSDEV help), off we go... */
3034         switch (switch_value) {
3035                 case 21:
3036                         if (!set_user_info_21(ctr->info.id21, &sid))
3037                                 return NT_STATUS_ACCESS_DENIED;
3038                         break;
3039                 case 16:
3040                         if (!set_user_info_10(ctr->info.id10, &sid))
3041                                 return NT_STATUS_ACCESS_DENIED;
3042                         break;
3043                 case 18:
3044                         /* Used by AS/U JRA. */
3045                         if (!set_user_info_12(ctr->info.id12, &sid))
3046                                 return NT_STATUS_ACCESS_DENIED;
3047                         break;
3048                 default:
3049                         return NT_STATUS_INVALID_INFO_CLASS;
3050         }
3051
3052         return r_u->status;
3053 }
3054
3055 /*********************************************************************
3056  _samr_query_aliasmem
3057 *********************************************************************/
3058
3059 NTSTATUS _samr_query_useraliases(pipes_struct *p, SAMR_Q_QUERY_USERALIASES *q_u, SAMR_R_QUERY_USERALIASES *r_u)
3060 {
3061         int num_groups = 0, tmp_num_groups=0;
3062         uint32 *rids=NULL, *new_rids=NULL, *tmp_rids=NULL;
3063         struct samr_info *info = NULL;
3064         int i,j;
3065
3066         NTSTATUS ntstatus1;
3067         NTSTATUS ntstatus2;
3068
3069         /* until i see a real useraliases query, we fack one up */
3070
3071         /* I have seen one, JFM 2/12/2001 */
3072         /*
3073          * Explanation of what this call does:
3074          * for all the SID given in the request:
3075          * return a list of alias (local groups)
3076          * that have those SID as members.
3077          *
3078          * and that's the alias in the domain specified
3079          * in the policy_handle
3080          *
3081          * if the policy handle is on an incorrect sid
3082          * for example a user's sid
3083          * we should reply NT_STATUS_OBJECT_TYPE_MISMATCH
3084          */
3085
3086         r_u->status = NT_STATUS_OK;
3087
3088         DEBUG(5,("_samr_query_useraliases: %d\n", __LINE__));
3089
3090         /* find the policy handle.  open a policy on it. */
3091         if (!find_policy_by_hnd(p, &q_u->pol, (void **)&info))
3092                 return NT_STATUS_INVALID_HANDLE;
3093
3094         ntstatus1 = access_check_samr_function(info->acc_granted, SA_RIGHT_DOMAIN_LOOKUP_ALIAS_BY_MEM, "_samr_query_useraliases");
3095         ntstatus2 = access_check_samr_function(info->acc_granted, SA_RIGHT_DOMAIN_OPEN_ACCOUNT, "_samr_query_useraliases");
3096
3097         if (!NT_STATUS_IS_OK(ntstatus1) || !NT_STATUS_IS_OK(ntstatus2)) {
3098                 if (!(NT_STATUS_EQUAL(ntstatus1,NT_STATUS_ACCESS_DENIED) && NT_STATUS_IS_OK(ntstatus2)) &&
3099                     !(NT_STATUS_EQUAL(ntstatus1,NT_STATUS_ACCESS_DENIED) && NT_STATUS_IS_OK(ntstatus1))) {
3100                         return (NT_STATUS_IS_OK(ntstatus1)) ? ntstatus2 : ntstatus1;
3101                 }
3102         }
3103
3104         if (!sid_check_is_domain(&info->sid) &&
3105             !sid_check_is_builtin(&info->sid))
3106                 return NT_STATUS_OBJECT_TYPE_MISMATCH;
3107
3108
3109         for (i=0; i<q_u->num_sids1; i++) {
3110
3111                 r_u->status=get_alias_user_groups(p->mem_ctx, &info->sid, &tmp_num_groups, &tmp_rids, &(q_u->sid[i].sid));
3112
3113                 /*
3114                  * if there is an error, we just continue as
3115                  * it can be an unfound user or group
3116                  */
3117                 if (!NT_STATUS_IS_OK(r_u->status)) {
3118                         DEBUG(10,("_samr_query_useraliases: an error occured while getting groups\n"));
3119                         continue;
3120                 }
3121
3122                 if (tmp_num_groups==0) {
3123                         DEBUG(10,("_samr_query_useraliases: no groups found\n"));
3124                         continue;
3125                 }
3126
3127                 new_rids=(uint32 *)talloc_realloc(p->mem_ctx, rids, (num_groups+tmp_num_groups)*sizeof(uint32));
3128                 if (new_rids==NULL) {
3129                         DEBUG(0,("_samr_query_useraliases: could not realloc memory\n"));
3130                         return NT_STATUS_NO_MEMORY;
3131                 }
3132                 rids=new_rids;
3133
3134                 for (j=0; j<tmp_num_groups; j++)
3135                         rids[j+num_groups]=tmp_rids[j];
3136
3137                 safe_free(tmp_rids);
3138
3139                 num_groups+=tmp_num_groups;
3140         }
3141
3142         init_samr_r_query_useraliases(r_u, num_groups, rids, NT_STATUS_OK);
3143         return NT_STATUS_OK;
3144 }
3145
3146 /*********************************************************************
3147  _samr_query_aliasmem
3148 *********************************************************************/
3149
3150 NTSTATUS _samr_query_aliasmem(pipes_struct *p, SAMR_Q_QUERY_ALIASMEM *q_u, SAMR_R_QUERY_ALIASMEM *r_u)
3151 {
3152         int i;
3153
3154         GROUP_MAP map;
3155         int num_uids = 0;
3156         DOM_SID2 *sid;
3157         uid_t *uid=NULL;
3158
3159         DOM_SID alias_sid;
3160         DOM_SID als_sid;
3161         uint32 alias_rid;
3162         fstring alias_sid_str;
3163         DOM_SID temp_sid;
3164
3165         SAM_ACCOUNT *sam_user = NULL;
3166         BOOL check;
3167         uint32 acc_granted;
3168
3169         /* find the policy handle.  open a policy on it. */
3170         if (!get_lsa_policy_samr_sid(p, &q_u->alias_pol, &alias_sid, &acc_granted))
3171                 return NT_STATUS_INVALID_HANDLE;
3172
3173         if (!NT_STATUS_IS_OK(r_u->status =
3174                 access_check_samr_function(acc_granted, SA_RIGHT_ALIAS_GET_MEMBERS, "_samr_query_aliasmem"))) {
3175                 return r_u->status;
3176         }
3177
3178         sid_copy(&als_sid, &alias_sid);
3179         sid_to_string(alias_sid_str, &alias_sid);
3180         sid_split_rid(&alias_sid, &alias_rid);
3181
3182         DEBUG(10, ("sid is %s\n", alias_sid_str));
3183
3184         if (sid_equal(&alias_sid, &global_sid_Builtin)) {
3185                 DEBUG(10, ("lookup on Builtin SID (S-1-5-32)\n"));
3186                 if(!get_builtin_group_from_sid(als_sid, &map, MAPPING_WITHOUT_PRIV))
3187                         return NT_STATUS_NO_SUCH_ALIAS;
3188         } else {
3189                 if (sid_equal(&alias_sid, get_global_sam_sid())) {
3190                         DEBUG(10, ("lookup on Server SID\n"));
3191                         if(!get_local_group_from_sid(als_sid, &map, MAPPING_WITHOUT_PRIV))
3192                                 return NT_STATUS_NO_SUCH_ALIAS;
3193                 }
3194         }
3195
3196         if(!get_uid_list_of_group(map.gid, &uid, &num_uids))
3197                 return NT_STATUS_NO_SUCH_ALIAS;
3198
3199         DEBUG(10, ("sid is %s\n", alias_sid_str));
3200         sid = (DOM_SID2 *)talloc_zero(p->mem_ctx, sizeof(DOM_SID2) * num_uids);
3201         if (num_uids!=0 && sid == NULL)
3202                 return NT_STATUS_NO_MEMORY;
3203
3204         for (i = 0; i < num_uids; i++) {
3205                 struct passwd *pass;
3206                 uint32 rid;
3207
3208                 sid_copy(&temp_sid, get_global_sam_sid());
3209
3210                 pass = getpwuid_alloc(uid[i]);
3211                 if (!pass) continue;
3212
3213                 if (!NT_STATUS_IS_OK(pdb_init_sam(&sam_user))) {
3214                         passwd_free(&pass);
3215                         continue;
3216                 }
3217
3218                 become_root();
3219                 check = pdb_getsampwnam(sam_user, pass->pw_name);
3220                 unbecome_root();
3221
3222                 if (check != True) {
3223                         pdb_free_sam(&sam_user);
3224                         passwd_free(&pass);
3225                         continue;
3226                 }
3227
3228                 rid = pdb_get_user_rid(sam_user);
3229                 if (rid == 0) {
3230                         pdb_free_sam(&sam_user);
3231                         passwd_free(&pass);
3232                         continue;
3233                 }
3234
3235                 pdb_free_sam(&sam_user);
3236                 passwd_free(&pass);
3237
3238                 sid_append_rid(&temp_sid, rid);
3239
3240                 init_dom_sid2(&sid[i], &temp_sid);
3241         }
3242
3243         DEBUG(10, ("sid is %s\n", alias_sid_str));
3244         init_samr_r_query_aliasmem(r_u, num_uids, sid, NT_STATUS_OK);
3245
3246         return NT_STATUS_OK;
3247 }
3248
3249 /*********************************************************************
3250  _samr_query_groupmem
3251 *********************************************************************/
3252
3253 NTSTATUS _samr_query_groupmem(pipes_struct *p, SAMR_Q_QUERY_GROUPMEM *q_u, SAMR_R_QUERY_GROUPMEM *r_u)
3254 {
3255         int num_uids = 0;
3256         int i;
3257         DOM_SID group_sid;
3258         uint32 group_rid;
3259         fstring group_sid_str;
3260         uid_t *uid=NULL;
3261
3262         GROUP_MAP map;
3263
3264         uint32 *rid=NULL;
3265         uint32 *attr=NULL;
3266
3267         SAM_ACCOUNT *sam_user = NULL;
3268         BOOL check;
3269         uint32 acc_granted;
3270
3271         /* find the policy handle.  open a policy on it. */
3272         if (!get_lsa_policy_samr_sid(p, &q_u->group_pol, &group_sid, &acc_granted))
3273                 return NT_STATUS_INVALID_HANDLE;
3274
3275         if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, SA_RIGHT_GROUP_GET_MEMBERS, "_samr_query_groupmem"))) {
3276                 return r_u->status;
3277         }
3278
3279         /* todo: change to use sid_compare_front */
3280
3281         sid_split_rid(&group_sid, &group_rid);
3282         sid_to_string(group_sid_str, &group_sid);
3283         DEBUG(10, ("sid is %s\n", group_sid_str));
3284
3285         /* can we get a query for an SID outside our domain ? */
3286         if (!sid_equal(&group_sid, get_global_sam_sid()))
3287                 return NT_STATUS_NO_SUCH_GROUP;
3288
3289         sid_append_rid(&group_sid, group_rid);
3290         DEBUG(10, ("lookup on Domain SID\n"));
3291
3292         if(!get_domain_group_from_sid(group_sid, &map, MAPPING_WITHOUT_PRIV))
3293                 return NT_STATUS_NO_SUCH_GROUP;
3294
3295         if(!get_uid_list_of_group(map.gid, &uid, &num_uids))
3296                 return NT_STATUS_NO_SUCH_GROUP;
3297
3298         rid=talloc_zero(p->mem_ctx, sizeof(uint32)*num_uids);
3299         attr=talloc_zero(p->mem_ctx, sizeof(uint32)*num_uids);
3300
3301         if (num_uids!=0 && (rid==NULL || attr==NULL))
3302                 return NT_STATUS_NO_MEMORY;
3303
3304         for (i=0; i<num_uids; i++) {
3305                 struct passwd *pass;
3306                 uint32 urid;
3307
3308                 pass = getpwuid_alloc(uid[i]);
3309                 if (!pass) continue;
3310
3311                 if (!NT_STATUS_IS_OK(pdb_init_sam(&sam_user))) {
3312                         passwd_free(&pass);
3313                         continue;
3314                 }
3315
3316                 become_root();
3317                 check = pdb_getsampwnam(sam_user, pass->pw_name);
3318                 unbecome_root();
3319
3320                 if (check != True) {
3321                         pdb_free_sam(&sam_user);
3322                         passwd_free(&pass);
3323                         continue;
3324                 }
3325
3326                 urid = pdb_get_user_rid(sam_user);
3327                 if (urid == 0) {
3328                         pdb_free_sam(&sam_user);
3329                         passwd_free(&pass);
3330                         continue;
3331                 }
3332
3333                 pdb_free_sam(&sam_user);
3334                 passwd_free(&pass);
3335
3336                 rid[i] = urid;
3337                 attr[i] = SID_NAME_USER;
3338         }
3339
3340         init_samr_r_query_groupmem(r_u, num_uids, rid, attr, NT_STATUS_OK);
3341
3342         return NT_STATUS_OK;
3343 }
3344
3345 /*********************************************************************
3346  _samr_add_aliasmem
3347 *********************************************************************/
3348
3349 NTSTATUS _samr_add_aliasmem(pipes_struct *p, SAMR_Q_ADD_ALIASMEM *q_u, SAMR_R_ADD_ALIASMEM *r_u)
3350 {
3351         DOM_SID alias_sid;
3352         fstring alias_sid_str;
3353         uid_t uid;
3354         struct passwd *pwd;
3355         struct group *grp;
3356         fstring grp_name;
3357         GROUP_MAP map;
3358         NTSTATUS ret;
3359         SAM_ACCOUNT *sam_user = NULL;
3360         BOOL check;
3361         uint32 acc_granted;
3362
3363         /* Find the policy handle. Open a policy on it. */
3364         if (!get_lsa_policy_samr_sid(p, &q_u->alias_pol, &alias_sid, &acc_granted))
3365                 return NT_STATUS_INVALID_HANDLE;
3366
3367         if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, SA_RIGHT_ALIAS_ADD_MEMBER, "_samr_add_aliasmem"))) {
3368                 return r_u->status;
3369         }
3370
3371         sid_to_string(alias_sid_str, &alias_sid);
3372         DEBUG(10, ("sid is %s\n", alias_sid_str));
3373
3374         if (sid_compare(&alias_sid, get_global_sam_sid())>0) {
3375                 DEBUG(10, ("adding member on Server SID\n"));
3376                 if(!get_local_group_from_sid(alias_sid, &map, MAPPING_WITHOUT_PRIV))
3377                         return NT_STATUS_NO_SUCH_ALIAS;
3378
3379         } else {
3380                 if (sid_compare(&alias_sid, &global_sid_Builtin)>0) {
3381                         DEBUG(10, ("adding member on BUILTIN SID\n"));
3382                         if( !get_local_group_from_sid(alias_sid, &map, MAPPING_WITHOUT_PRIV))
3383                                 return NT_STATUS_NO_SUCH_ALIAS;
3384
3385                 } else
3386                         return NT_STATUS_NO_SUCH_ALIAS;
3387         }
3388
3389         ret = pdb_init_sam(&sam_user);
3390         if (!NT_STATUS_IS_OK(ret))
3391                 return ret;
3392
3393         check = pdb_getsampwsid(sam_user, &q_u->sid.sid);
3394
3395         if (check != True) {
3396                 pdb_free_sam(&sam_user);
3397                 return NT_STATUS_NO_SUCH_USER;
3398         }
3399
3400         uid = pdb_get_uid(sam_user);
3401         if (uid == -1) {
3402                 pdb_free_sam(&sam_user);
3403                 return NT_STATUS_NO_SUCH_USER;
3404         }
3405
3406         pdb_free_sam(&sam_user);
3407
3408         if ((pwd=getpwuid_alloc(uid)) == NULL) {
3409                 return NT_STATUS_NO_SUCH_USER;
3410         }
3411
3412         if ((grp=getgrgid(map.gid)) == NULL) {
3413                 passwd_free(&pwd);
3414                 return NT_STATUS_NO_SUCH_ALIAS;
3415         }
3416
3417         /* we need to copy the name otherwise it's overloaded in user_in_group_list */
3418         fstrcpy(grp_name, grp->gr_name);
3419
3420         /* if the user is already in the group */
3421         if(user_in_unix_group_list(pwd->pw_name, grp_name)) {
3422                 passwd_free(&pwd);
3423                 return NT_STATUS_MEMBER_IN_ALIAS;
3424         }
3425
3426         /*
3427          * ok, the group exist, the user exist, the user is not in the group,
3428          * we can (finally) add it to the group !
3429          */
3430         smb_add_user_group(grp_name, pwd->pw_name);
3431
3432         /* check if the user has been added then ... */
3433         if(!user_in_unix_group_list(pwd->pw_name, grp_name)) {
3434                 passwd_free(&pwd);
3435                 return NT_STATUS_MEMBER_NOT_IN_ALIAS;   /* don't know what to reply else */
3436         }
3437
3438         passwd_free(&pwd);
3439         return NT_STATUS_OK;
3440 }
3441
3442 /*********************************************************************
3443  _samr_del_aliasmem
3444 *********************************************************************/
3445
3446 NTSTATUS _samr_del_aliasmem(pipes_struct *p, SAMR_Q_DEL_ALIASMEM *q_u, SAMR_R_DEL_ALIASMEM *r_u)
3447 {
3448         DOM_SID alias_sid;
3449         fstring alias_sid_str;
3450         struct group *grp;
3451         fstring grp_name;
3452         GROUP_MAP map;
3453         SAM_ACCOUNT *sam_pass=NULL;
3454         uint32 acc_granted;
3455
3456         /* Find the policy handle. Open a policy on it. */
3457         if (!get_lsa_policy_samr_sid(p, &q_u->alias_pol, &alias_sid, &acc_granted))
3458                 return NT_STATUS_INVALID_HANDLE;
3459
3460         if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, SA_RIGHT_ALIAS_REMOVE_MEMBER, "_samr_del_aliasmem"))) {
3461                 return r_u->status;
3462         }
3463
3464         sid_to_string(alias_sid_str, &alias_sid);
3465         DEBUG(10, ("_samr_del_aliasmem:sid is %s\n", alias_sid_str));
3466
3467         if (!sid_check_is_in_our_domain(&alias_sid) &&
3468             !sid_check_is_in_builtin(&alias_sid)) {
3469                 DEBUG(10, ("_samr_del_aliasmem:invalid alias group\n"));
3470                 return NT_STATUS_NO_SUCH_ALIAS;
3471         }
3472
3473         if( !get_local_group_from_sid(alias_sid, &map, MAPPING_WITHOUT_PRIV))
3474                 return NT_STATUS_NO_SUCH_ALIAS;
3475
3476         if ((grp=getgrgid(map.gid)) == NULL)
3477                 return NT_STATUS_NO_SUCH_ALIAS;
3478
3479         /* we need to copy the name otherwise it's overloaded in user_in_unix_group_list */
3480         fstrcpy(grp_name, grp->gr_name);
3481
3482         /* check if the user exists before trying to remove it from the group */
3483         pdb_init_sam(&sam_pass);
3484         if(!pdb_getsampwsid(sam_pass, &q_u->sid.sid)) {
3485                 DEBUG(5,("_samr_del_aliasmem:User %s doesn't exist.\n", pdb_get_username(sam_pass)));
3486                 pdb_free_sam(&sam_pass);
3487                 return NT_STATUS_NO_SUCH_USER;
3488         }
3489
3490         /* if the user is not in the group */
3491         if(!user_in_unix_group_list(pdb_get_username(sam_pass), grp_name)) {
3492                 pdb_free_sam(&sam_pass);
3493                 return NT_STATUS_MEMBER_IN_ALIAS;
3494         }
3495
3496         smb_delete_user_group(grp_name, pdb_get_username(sam_pass));
3497
3498         /* check if the user has been removed then ... */
3499         if(user_in_unix_group_list(pdb_get_username(sam_pass), grp_name)) {
3500                 pdb_free_sam(&sam_pass);
3501                 return NT_STATUS_MEMBER_NOT_IN_ALIAS;   /* don't know what to reply else */
3502         }
3503
3504         pdb_free_sam(&sam_pass);
3505         return NT_STATUS_OK;
3506 }
3507
3508 /*********************************************************************
3509  _samr_add_groupmem
3510 *********************************************************************/
3511
3512 NTSTATUS _samr_add_groupmem(pipes_struct *p, SAMR_Q_ADD_GROUPMEM *q_u, SAMR_R_ADD_GROUPMEM *r_u)
3513 {
3514         DOM_SID group_sid;
3515         DOM_SID user_sid;
3516         fstring group_sid_str;
3517         struct passwd *pwd;
3518         struct group *grp;
3519         fstring grp_name;
3520         GROUP_MAP map;
3521         uid_t uid;
3522         NTSTATUS ret;
3523         SAM_ACCOUNT *sam_user=NULL;
3524         BOOL check;
3525         uint32 acc_granted;
3526
3527         /* Find the policy handle. Open a policy on it. */
3528         if (!get_lsa_policy_samr_sid(p, &q_u->pol, &group_sid, &acc_granted))
3529                 return NT_STATUS_INVALID_HANDLE;
3530
3531         if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, SA_RIGHT_GROUP_ADD_MEMBER, "_samr_add_groupmem"))) {
3532                 return r_u->status;
3533         }
3534
3535         sid_to_string(group_sid_str, &group_sid);
3536         DEBUG(10, ("sid is %s\n", group_sid_str));
3537
3538         if (sid_compare(&group_sid, get_global_sam_sid())<=0)
3539                 return NT_STATUS_NO_SUCH_GROUP;
3540
3541         DEBUG(10, ("lookup on Domain SID\n"));
3542
3543         if(!get_domain_group_from_sid(group_sid, &map, MAPPING_WITHOUT_PRIV))
3544                 return NT_STATUS_NO_SUCH_GROUP;
3545
3546         sid_copy(&user_sid, get_global_sam_sid());
3547         sid_append_rid(&user_sid, q_u->rid);
3548
3549         ret = pdb_init_sam(&sam_user);
3550         if (!NT_STATUS_IS_OK(ret))
3551                 return ret;
3552
3553         check = pdb_getsampwsid(sam_user, &user_sid);
3554
3555         if (check != True) {
3556                 pdb_free_sam(&sam_user);
3557                 return NT_STATUS_NO_SUCH_USER;
3558         }
3559
3560         uid = pdb_get_uid(sam_user);
3561         if (uid == -1) {
3562                 pdb_free_sam(&sam_user);
3563                 return NT_STATUS_NO_SUCH_USER;
3564         }
3565
3566         pdb_free_sam(&sam_user);
3567
3568         if ((pwd=getpwuid_alloc(uid)) == NULL) {
3569                 return NT_STATUS_NO_SUCH_USER;
3570         }
3571
3572         if ((grp=getgrgid(map.gid)) == NULL) {
3573                 passwd_free(&pwd);
3574                 return NT_STATUS_NO_SUCH_GROUP;
3575         }
3576
3577         /* we need to copy the name otherwise it's overloaded in user_in_unix_group_list */
3578         fstrcpy(grp_name, grp->gr_name);
3579
3580         /* if the user is already in the group */
3581         if(user_in_unix_group_list(pwd->pw_name, grp_name)) {
3582                 passwd_free(&pwd);
3583                 return NT_STATUS_MEMBER_IN_GROUP;
3584         }
3585
3586         /*
3587          * ok, the group exist, the user exist, the user is not in the group,
3588          *
3589          * we can (finally) add it to the group !
3590          */
3591
3592         smb_add_user_group(grp_name, pwd->pw_name);
3593
3594         /* check if the user has been added then ... */
3595         if(!user_in_unix_group_list(pwd->pw_name, grp_name)) {
3596                 passwd_free(&pwd);
3597                 return NT_STATUS_MEMBER_NOT_IN_GROUP;           /* don't know what to reply else */
3598         }
3599
3600         passwd_free(&pwd);
3601         return NT_STATUS_OK;
3602 }
3603
3604 /*********************************************************************
3605  _samr_del_groupmem
3606 *********************************************************************/
3607
3608 NTSTATUS _samr_del_groupmem(pipes_struct *p, SAMR_Q_DEL_GROUPMEM *q_u, SAMR_R_DEL_GROUPMEM *r_u)
3609 {
3610         DOM_SID group_sid;
3611         DOM_SID user_sid;
3612         SAM_ACCOUNT *sam_pass=NULL;
3613         GROUP_MAP map;
3614         fstring grp_name;
3615         struct group *grp;
3616         uint32 acc_granted;
3617
3618         /*
3619          * delete the group member named q_u->rid
3620          * who is a member of the sid associated with the handle
3621          * the rid is a user's rid as the group is a domain group.
3622          */
3623
3624         /* Find the policy handle. Open a policy on it. */
3625         if (!get_lsa_policy_samr_sid(p, &q_u->pol, &group_sid, &acc_granted))
3626                 return NT_STATUS_INVALID_HANDLE;
3627
3628         if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, SA_RIGHT_GROUP_REMOVE_MEMBER, "_samr_del_groupmem"))) {
3629                 return r_u->status;
3630         }
3631
3632         if (!sid_check_is_in_our_domain(&group_sid))
3633                 return NT_STATUS_NO_SUCH_GROUP;
3634
3635         sid_copy(&user_sid, get_global_sam_sid());
3636         sid_append_rid(&user_sid, q_u->rid);
3637
3638         if (!get_domain_group_from_sid(group_sid, &map, MAPPING_WITHOUT_PRIV))
3639                 return NT_STATUS_NO_SUCH_GROUP;
3640
3641         if ((grp=getgrgid(map.gid)) == NULL)
3642                 return NT_STATUS_NO_SUCH_GROUP;
3643
3644         /* we need to copy the name otherwise it's overloaded in user_in_group_list */
3645         fstrcpy(grp_name, grp->gr_name);
3646
3647         /* check if the user exists before trying to remove it from the group */
3648         pdb_init_sam(&sam_pass);
3649         if (!pdb_getsampwsid(sam_pass, &user_sid)) {
3650                 DEBUG(5,("User %s doesn't exist.\n", pdb_get_username(sam_pass)));
3651                 pdb_free_sam(&sam_pass);
3652                 return NT_STATUS_NO_SUCH_USER;
3653         }
3654
3655         /* if the user is not in the group */
3656         if (!user_in_unix_group_list(pdb_get_username(sam_pass), grp_name)) {
3657                 pdb_free_sam(&sam_pass);
3658                 return NT_STATUS_MEMBER_NOT_IN_GROUP;
3659         }
3660
3661         smb_delete_user_group(grp_name, pdb_get_username(sam_pass));
3662
3663         /* check if the user has been removed then ... */
3664         if (user_in_unix_group_list(pdb_get_username(sam_pass), grp_name)) {
3665                 pdb_free_sam(&sam_pass);
3666                 return NT_STATUS_ACCESS_DENIED;         /* don't know what to reply else */
3667         }
3668
3669         pdb_free_sam(&sam_pass);
3670         return NT_STATUS_OK;
3671
3672 }
3673
3674 /****************************************************************************
3675  Delete a UNIX user on demand.
3676 ****************************************************************************/
3677
3678 static int smb_delete_user(const char *unix_user)
3679 {
3680         pstring del_script;
3681         int ret;
3682
3683         pstrcpy(del_script, lp_deluser_script());
3684         if (! *del_script)
3685                 return -1;
3686         all_string_sub(del_script, "%u", unix_user, sizeof(pstring));
3687         ret = smbrun(del_script,NULL);
3688         DEBUG(3,("smb_delete_user: Running the command `%s' gave %d\n",del_script,ret));
3689         return ret;
3690 }
3691
3692 /*********************************************************************
3693  _samr_delete_dom_user
3694 *********************************************************************/
3695
3696 NTSTATUS _samr_delete_dom_user(pipes_struct *p, SAMR_Q_DELETE_DOM_USER *q_u, SAMR_R_DELETE_DOM_USER *r_u )
3697 {
3698         DOM_SID user_sid;
3699         SAM_ACCOUNT *sam_pass=NULL;
3700         uint32 acc_granted;
3701
3702         DEBUG(5, ("_samr_delete_dom_user: %d\n", __LINE__));
3703
3704         /* Find the policy handle. Open a policy on it. */
3705         if (!get_lsa_policy_samr_sid(p, &q_u->user_pol, &user_sid, &acc_granted))
3706                 return NT_STATUS_INVALID_HANDLE;
3707
3708         if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, STD_RIGHT_DELETE_ACCESS, "_samr_delete_dom_user"))) {
3709                 return r_u->status;
3710         }
3711
3712         if (!sid_check_is_in_our_domain(&user_sid))
3713                 return NT_STATUS_CANNOT_DELETE;
3714
3715         /* check if the user exists before trying to delete */
3716         pdb_init_sam(&sam_pass);
3717         if(!pdb_getsampwsid(sam_pass, &user_sid)) {
3718                 DEBUG(5,("_samr_delete_dom_user:User %s doesn't exist.\n", pdb_get_username(sam_pass)));
3719                 pdb_free_sam(&sam_pass);
3720                 return NT_STATUS_NO_SUCH_USER;
3721         }
3722
3723         /* delete the unix side */
3724         /*
3725          * note: we don't check if the delete really happened
3726          * as the script is not necessary present
3727          * and maybe the sysadmin doesn't want to delete the unix side
3728          */
3729         smb_delete_user(pdb_get_username(sam_pass));
3730
3731         /* and delete the samba side */
3732         if (!pdb_delete_sam_account(sam_pass)) {
3733                 DEBUG(5,("_samr_delete_dom_user:Failed to delete entry for user %s.\n", pdb_get_username(sam_pass)));
3734                 pdb_free_sam(&sam_pass);
3735                 return NT_STATUS_CANNOT_DELETE;
3736         }
3737
3738         pdb_free_sam(&sam_pass);
3739
3740         if (!close_policy_hnd(p, &q_u->user_pol))
3741                 return NT_STATUS_OBJECT_NAME_INVALID;
3742
3743         return NT_STATUS_OK;
3744 }
3745
3746 /*********************************************************************
3747  _samr_delete_dom_group
3748 *********************************************************************/
3749
3750 NTSTATUS _samr_delete_dom_group(pipes_struct *p, SAMR_Q_DELETE_DOM_GROUP *q_u, SAMR_R_DELETE_DOM_GROUP *r_u)
3751 {
3752         DOM_SID group_sid;
3753         DOM_SID dom_sid;
3754         uint32 group_rid;
3755         fstring group_sid_str;
3756         gid_t gid;
3757         struct group *grp;
3758         GROUP_MAP map;
3759         uint32 acc_granted;
3760
3761         DEBUG(5, ("samr_delete_dom_group: %d\n", __LINE__));
3762
3763         /* Find the policy handle. Open a policy on it. */
3764         if (!get_lsa_policy_samr_sid(p, &q_u->group_pol, &group_sid, &acc_granted))
3765                 return NT_STATUS_INVALID_HANDLE;
3766
3767         if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, STD_RIGHT_DELETE_ACCESS, "_samr_delete_dom_group"))) {
3768                 return r_u->status;
3769         }
3770
3771         sid_copy(&dom_sid, &group_sid);
3772         sid_to_string(group_sid_str, &dom_sid);
3773         sid_split_rid(&dom_sid, &group_rid);
3774
3775         DEBUG(10, ("sid is %s\n", group_sid_str));
3776
3777         /* we check if it's our SID before deleting */
3778         if (!sid_equal(&dom_sid, get_global_sam_sid()))
3779                 return NT_STATUS_NO_SUCH_GROUP;
3780
3781         DEBUG(10, ("lookup on Domain SID\n"));
3782
3783         if(!get_domain_group_from_sid(group_sid, &map, MAPPING_WITHOUT_PRIV))
3784                 return NT_STATUS_NO_SUCH_GROUP;
3785
3786         gid=map.gid;
3787
3788         /* check if group really exists */
3789         if ( (grp=getgrgid(gid)) == NULL)
3790                 return NT_STATUS_NO_SUCH_GROUP;
3791
3792         /* we can delete the UNIX group */
3793         smb_delete_group(grp->gr_name);
3794
3795         /* check if the group has been successfully deleted */
3796         if ( (grp=getgrgid(gid)) != NULL)
3797                 return NT_STATUS_ACCESS_DENIED;
3798
3799         if(!pdb_delete_group_mapping_entry(group_sid))
3800                 return NT_STATUS_ACCESS_DENIED;
3801
3802         if (!close_policy_hnd(p, &q_u->group_pol))
3803                 return NT_STATUS_OBJECT_NAME_INVALID;
3804
3805         return NT_STATUS_OK;
3806 }
3807
3808 /*********************************************************************
3809  _samr_delete_dom_alias
3810 *********************************************************************/
3811
3812 NTSTATUS _samr_delete_dom_alias(pipes_struct *p, SAMR_Q_DELETE_DOM_ALIAS *q_u, SAMR_R_DELETE_DOM_ALIAS *r_u)
3813 {
3814         DOM_SID alias_sid;
3815         DOM_SID dom_sid;
3816         uint32 alias_rid;
3817         fstring alias_sid_str;
3818         gid_t gid;
3819         struct group *grp;
3820         GROUP_MAP map;
3821         uint32 acc_granted;
3822
3823         DEBUG(5, ("_samr_delete_dom_alias: %d\n", __LINE__));
3824
3825         /* Find the policy handle. Open a policy on it. */
3826         if (!get_lsa_policy_samr_sid(p, &q_u->alias_pol, &alias_sid, &acc_granted))
3827                 return NT_STATUS_INVALID_HANDLE;
3828
3829         if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, STD_RIGHT_DELETE_ACCESS, "_samr_delete_dom_alias"))) {
3830                 return r_u->status;
3831         }
3832
3833         sid_copy(&dom_sid, &alias_sid);
3834         sid_to_string(alias_sid_str, &dom_sid);
3835         sid_split_rid(&dom_sid, &alias_rid);
3836
3837         DEBUG(10, ("sid is %s\n", alias_sid_str));
3838
3839         /* we check if it's our SID before deleting */
3840         if (!sid_equal(&dom_sid, get_global_sam_sid()))
3841                 return NT_STATUS_NO_SUCH_ALIAS;
3842
3843         DEBUG(10, ("lookup on Local SID\n"));
3844
3845         if(!get_local_group_from_sid(alias_sid, &map, MAPPING_WITHOUT_PRIV))
3846                 return NT_STATUS_NO_SUCH_ALIAS;
3847
3848         gid=map.gid;
3849
3850         /* check if group really exists */
3851         if ( (grp=getgrgid(gid)) == NULL)
3852                 return NT_STATUS_NO_SUCH_ALIAS;
3853
3854         /* we can delete the UNIX group */
3855         smb_delete_group(grp->gr_name);
3856
3857         /* check if the group has been successfully deleted */
3858         if ( (grp=getgrgid(gid)) != NULL)
3859                 return NT_STATUS_ACCESS_DENIED;
3860
3861         /* don't check if we removed it as it could be an un-mapped group */
3862         pdb_delete_group_mapping_entry(alias_sid);
3863
3864         if (!close_policy_hnd(p, &q_u->alias_pol))
3865                 return NT_STATUS_OBJECT_NAME_INVALID;
3866
3867         return NT_STATUS_OK;
3868 }
3869
3870 /*********************************************************************
3871  _samr_create_dom_group
3872 *********************************************************************/
3873
3874 NTSTATUS _samr_create_dom_group(pipes_struct *p, SAMR_Q_CREATE_DOM_GROUP *q_u, SAMR_R_CREATE_DOM_GROUP *r_u)
3875 {
3876         DOM_SID dom_sid;
3877         DOM_SID info_sid;
3878         fstring name;
3879         fstring sid_string;
3880         struct group *grp;
3881         struct samr_info *info;
3882         PRIVILEGE_SET priv_set;
3883         uint32 acc_granted;
3884         gid_t gid;
3885
3886         init_privilege(&priv_set);
3887
3888         /* Find the policy handle. Open a policy on it. */
3889         if (!get_lsa_policy_samr_sid(p, &q_u->pol, &dom_sid, &acc_granted))
3890                 return NT_STATUS_INVALID_HANDLE;
3891
3892         if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, SA_RIGHT_DOMAIN_CREATE_GROUP, "_samr_create_dom_group"))) {
3893                 return r_u->status;
3894         }
3895
3896         if (!sid_equal(&dom_sid, get_global_sam_sid()))
3897                 return NT_STATUS_ACCESS_DENIED;
3898
3899         /* TODO: check if allowed to create group and add a become_root/unbecome_root pair.*/
3900
3901         unistr2_to_ascii(name, &q_u->uni_acct_desc, sizeof(name)-1);
3902
3903         /* check if group already exist */
3904         if ((grp=getgrnam(name)) != NULL)
3905                 return NT_STATUS_GROUP_EXISTS;
3906
3907         /* we can create the UNIX group */
3908         if (smb_create_group(name, &gid) != 0)
3909                 return NT_STATUS_ACCESS_DENIED;
3910
3911         /* check if the group has been successfully created */
3912         if ((grp=getgrgid(gid)) == NULL)
3913                 return NT_STATUS_ACCESS_DENIED;
3914
3915         r_u->rid=pdb_gid_to_group_rid(grp->gr_gid);
3916
3917         /* add the group to the mapping table */
3918         sid_copy(&info_sid, get_global_sam_sid());
3919         sid_append_rid(&info_sid, r_u->rid);
3920         sid_to_string(sid_string, &info_sid);
3921
3922         if(!add_initial_entry(grp->gr_gid, sid_string, SID_NAME_DOM_GRP, name, NULL, priv_set, PR_ACCESS_FROM_NETWORK))
3923                 return NT_STATUS_ACCESS_DENIED;
3924
3925         if ((info = get_samr_info_by_sid(&info_sid)) == NULL)
3926                 return NT_STATUS_NO_MEMORY;
3927
3928         /* get a (unique) handle.  open a policy on it. */
3929         if (!create_policy_hnd(p, &r_u->pol, free_samr_info, (void *)info))
3930                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
3931
3932         return NT_STATUS_OK;
3933 }
3934
3935 /*********************************************************************
3936  _samr_create_dom_alias
3937 *********************************************************************/
3938
3939 NTSTATUS _samr_create_dom_alias(pipes_struct *p, SAMR_Q_CREATE_DOM_ALIAS *q_u, SAMR_R_CREATE_DOM_ALIAS *r_u)
3940 {
3941         DOM_SID dom_sid;
3942         DOM_SID info_sid;
3943         fstring name;
3944         fstring sid_string;
3945         struct group *grp;
3946         struct samr_info *info;
3947         PRIVILEGE_SET priv_set;
3948         uint32 acc_granted;
3949         gid_t gid;
3950
3951         init_privilege(&priv_set);
3952
3953         /* Find the policy handle. Open a policy on it. */
3954         if (!get_lsa_policy_samr_sid(p, &q_u->dom_pol, &dom_sid, &acc_granted))
3955                 return NT_STATUS_INVALID_HANDLE;
3956
3957         if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, SA_RIGHT_DOMAIN_CREATE_ALIAS, "_samr_create_alias"))) {
3958                 return r_u->status;
3959         }
3960
3961         if (!sid_equal(&dom_sid, get_global_sam_sid()))
3962                 return NT_STATUS_ACCESS_DENIED;
3963
3964         /* TODO: check if allowed to create group  and add a become_root/unbecome_root pair.*/
3965
3966         unistr2_to_ascii(name, &q_u->uni_acct_desc, sizeof(name)-1);
3967
3968         /* check if group already exists */
3969         if ( (grp=getgrnam(name)) != NULL)
3970                 return NT_STATUS_GROUP_EXISTS;
3971
3972         /* we can create the UNIX group */
3973         if (smb_create_group(name, &gid) != 0)
3974                 return NT_STATUS_ACCESS_DENIED;
3975
3976         /* check if the group has been successfully created */
3977         if ((grp=getgrgid(gid)) == NULL)
3978                 return NT_STATUS_ACCESS_DENIED;
3979
3980         r_u->rid=pdb_gid_to_group_rid(grp->gr_gid);
3981
3982         sid_copy(&info_sid, get_global_sam_sid());
3983         sid_append_rid(&info_sid, r_u->rid);
3984         sid_to_string(sid_string, &info_sid);
3985
3986         /* add the group to the mapping table */
3987         if(!add_initial_entry(grp->gr_gid, sid_string, SID_NAME_ALIAS, name, NULL, priv_set, PR_ACCESS_FROM_NETWORK))
3988                 return NT_STATUS_ACCESS_DENIED;
3989
3990         if ((info = get_samr_info_by_sid(&info_sid)) == NULL)
3991                 return NT_STATUS_NO_MEMORY;
3992
3993         /* get a (unique) handle.  open a policy on it. */
3994         if (!create_policy_hnd(p, &r_u->alias_pol, free_samr_info, (void *)info))
3995                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
3996
3997         return NT_STATUS_OK;
3998 }
3999
4000 /*********************************************************************
4001  _samr_query_groupinfo
4002
4003 sends the name/comment pair of a domain group
4004 level 1 send also the number of users of that group
4005 *********************************************************************/
4006
4007 NTSTATUS _samr_query_groupinfo(pipes_struct *p, SAMR_Q_QUERY_GROUPINFO *q_u, SAMR_R_QUERY_GROUPINFO *r_u)
4008 {
4009         DOM_SID group_sid;
4010         GROUP_MAP map;
4011         uid_t *uid=NULL;
4012         int num_uids=0;
4013         GROUP_INFO_CTR *ctr;
4014         uint32 acc_granted;
4015
4016         if (!get_lsa_policy_samr_sid(p, &q_u->pol, &group_sid, &acc_granted))
4017                 return NT_STATUS_INVALID_HANDLE;
4018
4019         if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, SA_RIGHT_GROUP_LOOKUP_INFO, "_samr_query_groupinfo"))) {
4020                 return r_u->status;
4021         }
4022
4023         if (!get_domain_group_from_sid(group_sid, &map, MAPPING_WITHOUT_PRIV))
4024                 return NT_STATUS_INVALID_HANDLE;
4025
4026         ctr=(GROUP_INFO_CTR *)talloc_zero(p->mem_ctx, sizeof(GROUP_INFO_CTR));
4027         if (ctr==NULL)
4028                 return NT_STATUS_NO_MEMORY;
4029
4030         switch (q_u->switch_level) {
4031                 case 1:
4032                         ctr->switch_value1 = 1;
4033                         if(!get_uid_list_of_group(map.gid, &uid, &num_uids))
4034                                 return NT_STATUS_NO_SUCH_GROUP;
4035                         init_samr_group_info1(&ctr->group.info1, map.nt_name, map.comment, num_uids);
4036                         SAFE_FREE(uid);
4037                         break;
4038                 case 3:
4039                         ctr->switch_value1 = 3;
4040                         init_samr_group_info3(&ctr->group.info3);
4041                         break;
4042                 case 4:
4043                         ctr->switch_value1 = 4;
4044                         init_samr_group_info4(&ctr->group.info4, map.comment);
4045                         break;
4046                 default:
4047                         return NT_STATUS_INVALID_INFO_CLASS;
4048         }
4049
4050         init_samr_r_query_groupinfo(r_u, ctr, NT_STATUS_OK);
4051
4052         return NT_STATUS_OK;
4053 }
4054
4055 /*********************************************************************
4056  _samr_set_groupinfo
4057
4058  update a domain group's comment.
4059 *********************************************************************/
4060
4061 NTSTATUS _samr_set_groupinfo(pipes_struct *p, SAMR_Q_SET_GROUPINFO *q_u, SAMR_R_SET_GROUPINFO *r_u)
4062 {
4063         DOM_SID group_sid;
4064         GROUP_MAP map;
4065         GROUP_INFO_CTR *ctr;
4066         uint32 acc_granted;
4067
4068         if (!get_lsa_policy_samr_sid(p, &q_u->pol, &group_sid, &acc_granted))
4069                 return NT_STATUS_INVALID_HANDLE;
4070
4071         if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, SA_RIGHT_GROUP_SET_INFO, "_samr_set_groupinfo"))) {
4072                 return r_u->status;
4073         }
4074
4075         if (!get_domain_group_from_sid(group_sid, &map, MAPPING_WITH_PRIV))
4076                 return NT_STATUS_NO_SUCH_GROUP;
4077
4078         ctr=q_u->ctr;
4079
4080         switch (ctr->switch_value1) {
4081                 case 1:
4082                         unistr2_to_ascii(map.comment, &(ctr->group.info1.uni_acct_desc), sizeof(map.comment)-1);
4083                         break;
4084                 case 4:
4085                         unistr2_to_ascii(map.comment, &(ctr->group.info4.uni_acct_desc), sizeof(map.comment)-1);
4086                         break;
4087                 default:
4088                         free_privilege(&map.priv_set);
4089                         return NT_STATUS_INVALID_INFO_CLASS;
4090         }
4091
4092         if(!pdb_update_group_mapping_entry(&map)) {
4093                 free_privilege(&map.priv_set);
4094                 return NT_STATUS_NO_SUCH_GROUP;
4095         }
4096
4097         free_privilege(&map.priv_set);
4098
4099         return NT_STATUS_OK;
4100 }
4101
4102 /*********************************************************************
4103  _samr_set_aliasinfo
4104
4105  update an alias's comment.
4106 *********************************************************************/
4107
4108 NTSTATUS _samr_set_aliasinfo(pipes_struct *p, SAMR_Q_SET_ALIASINFO *q_u, SAMR_R_SET_ALIASINFO *r_u)
4109 {
4110         DOM_SID group_sid;
4111         GROUP_MAP map;
4112         ALIAS_INFO_CTR *ctr;
4113         uint32 acc_granted;
4114
4115         if (!get_lsa_policy_samr_sid(p, &q_u->alias_pol, &group_sid, &acc_granted))
4116                 return NT_STATUS_INVALID_HANDLE;
4117
4118         if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, SA_RIGHT_ALIAS_SET_INFO, "_samr_set_aliasinfo"))) {
4119                 return r_u->status;
4120         }
4121
4122         if (!get_local_group_from_sid(group_sid, &map, MAPPING_WITH_PRIV))
4123                 return NT_STATUS_NO_SUCH_GROUP;
4124
4125         ctr=&q_u->ctr;
4126
4127         switch (ctr->switch_value1) {
4128                 case 3:
4129                         unistr2_to_ascii(map.comment, &(ctr->alias.info3.uni_acct_desc), sizeof(map.comment)-1);
4130                         break;
4131                 default:
4132                         free_privilege(&map.priv_set);
4133                         return NT_STATUS_INVALID_INFO_CLASS;
4134         }
4135
4136         if(!pdb_update_group_mapping_entry(&map)) {
4137                 free_privilege(&map.priv_set);
4138                 return NT_STATUS_NO_SUCH_GROUP;
4139         }
4140
4141         free_privilege(&map.priv_set);
4142
4143         return NT_STATUS_OK;
4144 }
4145
4146 /*********************************************************************
4147  _samr_get_dom_pwinfo
4148 *********************************************************************/
4149
4150 NTSTATUS _samr_get_dom_pwinfo(pipes_struct *p, SAMR_Q_GET_DOM_PWINFO *q_u, SAMR_R_GET_DOM_PWINFO *r_u)
4151 {
4152         /* Perform access check.  Since this rpc does not require a
4153            policy handle it will not be caught by the access checks on
4154            SAMR_CONNECT or SAMR_CONNECT_ANON. */
4155
4156         if (!pipe_access_check(p)) {
4157                 DEBUG(3, ("access denied to samr_get_dom_pwinfo\n"));
4158                 r_u->status = NT_STATUS_ACCESS_DENIED;
4159                 return r_u->status;
4160         }
4161
4162         /* Actually, returning zeros here works quite well :-). */
4163
4164         return NT_STATUS_OK;
4165 }
4166
4167 /*********************************************************************
4168  _samr_open_group
4169 *********************************************************************/
4170
4171 NTSTATUS _samr_open_group(pipes_struct *p, SAMR_Q_OPEN_GROUP *q_u, SAMR_R_OPEN_GROUP *r_u)
4172 {
4173         DOM_SID sid;
4174         DOM_SID info_sid;
4175         GROUP_MAP map;
4176         struct samr_info *info;
4177         SEC_DESC         *psd = NULL;
4178         uint32            acc_granted;
4179         uint32            des_access;
4180         size_t            sd_size;
4181         NTSTATUS          status;
4182         fstring sid_string;
4183
4184         if (!get_lsa_policy_samr_sid(p, &q_u->domain_pol, &sid, &acc_granted))
4185                 return NT_STATUS_INVALID_HANDLE;
4186
4187         if (!NT_STATUS_IS_OK(status = access_check_samr_function(acc_granted, SA_RIGHT_DOMAIN_OPEN_ACCOUNT, "_samr_open_group"))) {
4188                 return status;
4189         }
4190
4191         /*check if access can be granted as requested by client. */
4192         samr_make_grp_obj_sd(p->mem_ctx, &psd, &sd_size);
4193         se_map_generic(&des_access,&grp_generic_mapping);
4194         if (!NT_STATUS_IS_OK(status =
4195                              access_check_samr_object(psd, p->pipe_user.nt_user_token,
4196                                                       des_access, &acc_granted, "_samr_open_group"))) {
4197                 return status;
4198         }
4199
4200
4201         /* this should not be hard-coded like this */
4202         if (!sid_equal(&sid, get_global_sam_sid()))
4203                 return NT_STATUS_ACCESS_DENIED;
4204
4205         sid_copy(&info_sid, get_global_sam_sid());
4206         sid_append_rid(&info_sid, q_u->rid_group);
4207         sid_to_string(sid_string, &info_sid);
4208
4209         if ((info = get_samr_info_by_sid(&info_sid)) == NULL)
4210                 return NT_STATUS_NO_MEMORY;
4211
4212         info->acc_granted = acc_granted;
4213
4214         DEBUG(10, ("_samr_open_group:Opening SID: %s\n", sid_string));
4215
4216         /* check if that group really exists */
4217         if (!get_domain_group_from_sid(info->sid, &map, MAPPING_WITHOUT_PRIV))
4218                 return NT_STATUS_NO_SUCH_GROUP;
4219
4220         /* get a (unique) handle.  open a policy on it. */
4221         if (!create_policy_hnd(p, &r_u->pol, free_samr_info, (void *)info))
4222                 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
4223
4224         return NT_STATUS_OK;
4225 }
4226
4227 /*********************************************************************
4228  _samr_unknown_2d
4229 *********************************************************************/
4230
4231 NTSTATUS _samr_unknown_2d(pipes_struct *p, SAMR_Q_UNKNOWN_2D *q_u, SAMR_R_UNKNOWN_2D *r_u)
4232 {
4233         DEBUG(0,("_samr_unknown_2d: Not yet implemented.\n"));
4234         return NT_STATUS_NOT_IMPLEMENTED;
4235 }
4236
4237 /*******************************************************************
4238  _samr_unknown_2e
4239  ********************************************************************/
4240
4241 NTSTATUS _samr_unknown_2e(pipes_struct *p, SAMR_Q_UNKNOWN_2E *q_u, SAMR_R_UNKNOWN_2E *r_u)
4242 {
4243         struct samr_info *info = NULL;
4244         SAM_UNK_CTR *ctr;
4245         uint32 min_pass_len,pass_hist,flag;
4246         time_t u_expire, u_min_age;
4247         NTTIME nt_expire, nt_min_age;
4248
4249         time_t u_lock_duration, u_reset_time;
4250         NTTIME nt_lock_duration, nt_reset_time;
4251         uint32 lockout;
4252
4253         time_t u_logout;
4254         NTTIME nt_logout;
4255
4256         uint32 num_users=0, num_groups=0, num_aliases=0;
4257
4258         uint32 account_policy_temp;
4259
4260         if ((ctr = (SAM_UNK_CTR *)talloc_zero(p->mem_ctx, sizeof(SAM_UNK_CTR))) == NULL)
4261                 return NT_STATUS_NO_MEMORY;
4262
4263         ZERO_STRUCTP(ctr);
4264
4265         r_u->status = NT_STATUS_OK;
4266
4267         DEBUG(5,("_samr_unknown_2e: %d\n", __LINE__));
4268
4269         /* find the policy handle.  open a policy on it. */
4270         if (!find_policy_by_hnd(p, &q_u->domain_pol, (void **)&info))
4271                 return NT_STATUS_INVALID_HANDLE;
4272
4273         switch (q_u->switch_value) {
4274                 case 0x01:
4275                         account_policy_get(AP_MIN_PASSWORD_LEN, &account_policy_temp);
4276                         min_pass_len = account_policy_temp;
4277
4278                         account_policy_get(AP_PASSWORD_HISTORY, &account_policy_temp);
4279                         pass_hist = account_policy_temp;
4280
4281                         account_policy_get(AP_USER_MUST_LOGON_TO_CHG_PASS, &account_policy_temp);
4282                         flag = account_policy_temp;
4283
4284                         account_policy_get(AP_MAX_PASSWORD_AGE, &account_policy_temp);
4285                         u_expire = account_policy_temp;
4286
4287                         account_policy_get(AP_MIN_PASSWORD_AGE, &account_policy_temp);
4288                         u_min_age = account_policy_temp;
4289
4290                         unix_to_nt_time_abs(&nt_expire, u_expire);
4291                         unix_to_nt_time_abs(&nt_min_age, u_min_age);
4292
4293                         init_unk_info1(&ctr->info.inf1, (uint16)min_pass_len, (uint16)pass_hist,
4294                                        flag, nt_expire, nt_min_age);
4295                         break;
4296                 case 0x02:
4297                         become_root();
4298                         r_u->status=load_sampwd_entries(info, ACB_NORMAL, False);
4299                         unbecome_root();
4300                         if (!NT_STATUS_IS_OK(r_u->status)) {
4301                                 DEBUG(5, ("_samr_unknown_2e: load_sampwd_entries failed\n"));
4302                                 return r_u->status;
4303                         }
4304                         num_users=info->disp_info.num_user_account;
4305                         free_samr_db(info);
4306
4307                         r_u->status=load_group_domain_entries(info, get_global_sam_sid());
4308                         if (NT_STATUS_IS_ERR(r_u->status)) {
4309                                 DEBUG(5, ("_samr_unknown_2e: load_group_domain_entries failed\n"));
4310                                 return r_u->status;
4311                         }
4312                         num_groups=info->disp_info.num_group_account;
4313                         free_samr_db(info);
4314
4315                         /* The time call below is to get a sequence number for the sam. FIXME !!! JRA. */
4316                         init_unk_info2(&ctr->info.inf2, lp_workgroup(), global_myname(), (uint32) time(NULL),
4317                                        num_users, num_groups, num_aliases);
4318                         break;
4319                 case 0x03:
4320                         account_policy_get(AP_TIME_TO_LOGOUT, &account_policy_temp);
4321                         u_logout = account_policy_temp;
4322
4323                         unix_to_nt_time_abs(&nt_logout, u_logout);
4324
4325                         init_unk_info3(&ctr->info.inf3, nt_logout);
4326                         break;
4327                 case 0x05:
4328                         init_unk_info5(&ctr->info.inf5, global_myname());
4329                         break;
4330                 case 0x06:
4331                         init_unk_info6(&ctr->info.inf6);
4332                         break;
4333                 case 0x07:
4334                         init_unk_info7(&ctr->info.inf7);
4335                         break;
4336                 case 0x0c:
4337                         account_policy_get(AP_LOCK_ACCOUNT_DURATION, &account_policy_temp);
4338                         u_lock_duration = account_policy_temp;
4339
4340                         account_policy_get(AP_RESET_COUNT_TIME, &account_policy_temp);
4341                         u_reset_time = account_policy_temp;
4342
4343                         account_policy_get(AP_BAD_ATTEMPT_LOCKOUT, &account_policy_temp);
4344                         lockout = account_policy_temp;
4345
4346                         unix_to_nt_time_abs(&nt_lock_duration, u_lock_duration);
4347                         unix_to_nt_time_abs(&nt_reset_time, u_reset_time);
4348
4349                         init_unk_info12(&ctr->info.inf12, nt_lock_duration, nt_reset_time, (uint16)lockout);
4350                         break;
4351                 default:
4352                         return NT_STATUS_INVALID_INFO_CLASS;
4353         }
4354
4355         init_samr_r_samr_unknown_2e(r_u, q_u->switch_value, ctr, NT_STATUS_OK);
4356
4357         DEBUG(5,("_samr_unknown_2e: %d\n", __LINE__));
4358
4359         return r_u->status;
4360 }
4361
4362 /*******************************************************************
4363  _samr_
4364  ********************************************************************/
4365
4366 NTSTATUS _samr_set_dom_info(pipes_struct *p, SAMR_Q_SET_DOMAIN_INFO *q_u, SAMR_R_SET_DOMAIN_INFO *r_u)
4367 {
4368         time_t u_expire, u_min_age;
4369         time_t u_logout;
4370         time_t u_lock_duration, u_reset_time;
4371
4372         r_u->status = NT_STATUS_OK;
4373
4374         DEBUG(5,("_samr_set_dom_info: %d\n", __LINE__));
4375
4376         /* find the policy handle.  open a policy on it. */
4377         if (!find_policy_by_hnd(p, &q_u->domain_pol, NULL))
4378                 return NT_STATUS_INVALID_HANDLE;
4379
4380         DEBUG(5,("_samr_set_dom_info: switch_value: %d\n", q_u->switch_value));
4381
4382         switch (q_u->switch_value) {
4383                 case 0x01:
4384                         u_expire=nt_time_to_unix_abs(&q_u->ctr->info.inf1.expire);
4385                         u_min_age=nt_time_to_unix_abs(&q_u->ctr->info.inf1.min_passwordage);
4386
4387                         account_policy_set(AP_MIN_PASSWORD_LEN, (uint32)q_u->ctr->info.inf1.min_length_password);
4388                         account_policy_set(AP_PASSWORD_HISTORY, (uint32)q_u->ctr->info.inf1.password_history);
4389                         account_policy_set(AP_USER_MUST_LOGON_TO_CHG_PASS, (uint32)q_u->ctr->info.inf1.flag);
4390                         account_policy_set(AP_MAX_PASSWORD_AGE, (int)u_expire);
4391                         account_policy_set(AP_MIN_PASSWORD_AGE, (int)u_min_age);
4392                         break;
4393                 case 0x02:
4394                         break;
4395                 case 0x03:
4396                         u_logout=nt_time_to_unix_abs(&q_u->ctr->info.inf3.logout);
4397                         account_policy_set(AP_TIME_TO_LOGOUT, (int)u_logout);
4398                         break;
4399                 case 0x05:
4400                         break;
4401                 case 0x06:
4402                         break;
4403                 case 0x07:
4404                         break;
4405                 case 0x0c:
4406                         u_lock_duration=nt_time_to_unix_abs(&q_u->ctr->info.inf12.duration);
4407                         u_reset_time=nt_time_to_unix_abs(&q_u->ctr->info.inf12.reset_count);
4408
4409                         account_policy_set(AP_LOCK_ACCOUNT_DURATION, (int)u_lock_duration);
4410                         account_policy_set(AP_RESET_COUNT_TIME, (int)u_reset_time);
4411                         account_policy_set(AP_BAD_ATTEMPT_LOCKOUT, (uint32)q_u->ctr->info.inf12.bad_attempt_lockout);
4412                         break;
4413                 default:
4414                         return NT_STATUS_INVALID_INFO_CLASS;
4415         }
4416
4417         init_samr_r_set_domain_info(r_u, NT_STATUS_OK);
4418
4419         DEBUG(5,("_samr_set_dom_info: %d\n", __LINE__));
4420
4421         return r_u->status;
4422 }
4423