source/libmsrpc/cac_winreg.c

   1
   2 /*
   3  *  Unix SMB/CIFS implementation.
   4  *  MS-RPC client library implementation (WINREG pipe)
   5  *  Copyright (C) Chris Nicholls              2005.
   6  *
   7  *  This program is free software; you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License as published by
   9  *  the Free Software Foundation; either version 3 of the License, or
  10  *  (at your option) any later version.
  11  *
  12  *  This program is distributed in the hope that it will be useful,
  13  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  *  GNU General Public License for more details.
  16  *
  17  *  You should have received a copy of the GNU General Public License
  18  *  along with this program; if not, see <http://www.gnu.org/licenses/>.
  19  */
  20
  21 #include "libmsrpc.h"
  22 #include "libmsrpc_internal.h"
  23
  24 NTSTATUS cac_delete_subkeys_recursive(struct rpc_pipe_client * pipe_hnd,
  25                                       TALLOC_CTX * mem_ctx, POLICY_HND * key);
  26
  27 int cac_RegConnect( CacServerHandle * hnd, TALLOC_CTX * mem_ctx,
  28                     struct RegConnect *op )
  29 {
  30         SMBCSRV *srv = NULL;
  31         struct rpc_pipe_client *pipe_hnd = NULL;
  32         POLICY_HND *key = NULL;
  33
  34         if ( !hnd )
  35                 return CAC_FAILURE;
  36
  37         if ( !hnd->_internal.ctx ) {
  38                 hnd->status = NT_STATUS_INVALID_HANDLE;
  39                 return CAC_FAILURE;
  40         }
  41
  42         if ( !op || !op->in.root || !mem_ctx ) {
  43                 hnd->status = NT_STATUS_INVALID_PARAMETER;
  44                 return CAC_FAILURE;
  45         }
  46
  47         srv = cac_GetServer( hnd );
  48         if ( !srv ) {
  49                 hnd->status = NT_STATUS_INVALID_CONNECTION;
  50                 return CAC_FAILURE;
  51         }
  52
  53         /*initialize for winreg pipe if we have to */
  54         if ( !hnd->_internal.pipes[PI_WINREG] ) {
  55                 if ( !
  56                      ( pipe_hnd =
  57                        cli_rpc_pipe_open_noauth( srv->cli, PI_WINREG,
  58                                                  &hnd->status ) ) ) {
  59                         return CAC_FAILURE;
  60                 }
  61
  62                 hnd->_internal.pipes[PI_WINREG] = True;
  63         }
  64
  65         pipe_hnd = cac_GetPipe( hnd, PI_WINREG );
  66         if ( !pipe_hnd ) {
  67                 hnd->status = NT_STATUS_INVALID_HANDLE;
  68                 return CAC_FAILURE;
  69         }
  70
  71         key = talloc( mem_ctx, POLICY_HND );
  72         if ( !key ) {
  73                 hnd->status = NT_STATUS_NO_MEMORY;
  74                 return CAC_FAILURE;
  75         }
  76
  77         hnd->status =
  78                 rpccli_winreg_Connect( pipe_hnd, mem_ctx, op->in.root,
  79                                        op->in.access, key );
  80
  81         if ( !NT_STATUS_IS_OK( hnd->status ) ) {
  82                 return CAC_FAILURE;
  83         }
  84
  85         op->out.key = key;
  86
  87         return CAC_SUCCESS;
  88 }
  89
  90 int cac_RegClose( CacServerHandle * hnd, TALLOC_CTX * mem_ctx,
  91                   POLICY_HND * key )
  92 {
  93         struct rpc_pipe_client *pipe_hnd = NULL;
  94
  95         if ( !hnd )
  96                 return CAC_FAILURE;
  97
  98         if ( !hnd->_internal.ctx || !hnd->_internal.pipes[PI_WINREG] ) {
  99                 hnd->status = NT_STATUS_INVALID_HANDLE;
 100                 return CAC_FAILURE;
 101         }
 102
 103         if ( !key || !mem_ctx ) {
 104                 hnd->status = NT_STATUS_INVALID_PARAMETER;
 105                 return CAC_FAILURE;
 106         }
 107
 108         pipe_hnd = cac_GetPipe( hnd, PI_WINREG );
 109         if ( !pipe_hnd ) {
 110                 hnd->status = NT_STATUS_INVALID_HANDLE;
 111                 return CAC_FAILURE;
 112         }
 113
 114         hnd->status = rpccli_winreg_CloseKey( pipe_hnd, mem_ctx, key );
 115
 116         if ( !NT_STATUS_IS_OK( hnd->status ) ) {
 117                 return CAC_FAILURE;
 118         }
 119
 120         return CAC_SUCCESS;
 121 }
 122
 123 int cac_RegOpenKey( CacServerHandle * hnd, TALLOC_CTX * mem_ctx,
 124                     struct RegOpenKey *op )
 125 {
 126         struct rpc_pipe_client *pipe_hnd = NULL;
 127         struct winreg_String key_string;
 128
 129         POLICY_HND *key_out;
 130         POLICY_HND *parent_key;
 131
 132         char *key_name = NULL;
 133         uint32 reg_type = 0;
 134
 135         struct RegConnect rc;
 136
 137         if ( !hnd )
 138                 return CAC_FAILURE;
 139
 140         if ( !hnd->_internal.ctx ) {
 141                 hnd->status = NT_STATUS_INVALID_HANDLE;
 142                 return CAC_FAILURE;
 143         }
 144
 145         if ( !op || !op->in.name || !mem_ctx ) {
 146                 hnd->status = NT_STATUS_INVALID_PARAMETER;
 147                 return CAC_FAILURE;
 148         }
 149
 150
 151         key_out = talloc( mem_ctx, POLICY_HND );
 152         if ( !key_out ) {
 153                 hnd->status = NT_STATUS_NO_MEMORY;
 154                 return CAC_FAILURE;
 155         }
 156
 157         if ( !op->in.parent_key ) {
 158                 /*then we need to connect to the registry */
 159                 if ( !cac_ParseRegPath( op->in.name, &reg_type, &key_name ) ) {
 160                         hnd->status = NT_STATUS_INVALID_PARAMETER;
 161                         return CAC_FAILURE;
 162                 }
 163
 164                 /*use cac_RegConnect because it handles the session setup */
 165                 ZERO_STRUCT( rc );
 166
 167                 rc.in.access = op->in.access;
 168                 rc.in.root = reg_type;
 169
 170                 if ( !cac_RegConnect( hnd, mem_ctx, &rc ) ) {
 171                         return CAC_FAILURE;
 172                 }
 173
 174       /**if they only specified the root key, return the key we just opened*/
 175                 if ( key_name == NULL ) {
 176                         op->out.key = rc.out.key;
 177                         return CAC_SUCCESS;
 178                 }
 179
 180                 parent_key = rc.out.key;
 181         } else {
 182                 parent_key = op->in.parent_key;
 183                 key_name = op->in.name;
 184         }
 185
 186         pipe_hnd = cac_GetPipe( hnd, PI_WINREG );
 187         if ( !pipe_hnd ) {
 188                 hnd->status = NT_STATUS_INVALID_HANDLE;
 189                 return CAC_FAILURE;
 190         }
 191
 192         key_string.name = key_name;
 193         hnd->status =
 194                 rpccli_winreg_OpenKey( pipe_hnd, mem_ctx, parent_key,
 195                                        key_string, 0, op->in.access,
 196                                        key_out );
 197
 198         if ( !NT_STATUS_IS_OK( hnd->status ) ) {
 199                 return CAC_FAILURE;
 200         }
 201
 202         if ( !op->in.parent_key ) {
 203                 /*then close the one that we opened above */
 204                 hnd->status =
 205                         rpccli_winreg_CloseKey( pipe_hnd, mem_ctx,
 206                                                 parent_key );
 207
 208                 if ( !NT_STATUS_IS_OK( hnd->status ) ) {
 209                         return CAC_FAILURE;
 210                 }
 211         }
 212
 213         op->out.key = key_out;
 214
 215         return CAC_SUCCESS;
 216 }
 217
 218 int cac_RegEnumKeys( CacServerHandle * hnd, TALLOC_CTX * mem_ctx,
 219                      struct RegEnumKeys *op )
 220 {
 221         struct rpc_pipe_client *pipe_hnd = NULL;
 222
 223         /*buffers for rpccli_reg_enum_key call */
 224         fstring key_name_in;
 225         fstring class_name_in;
 226
 227         /*output buffers */
 228         char **key_names_out = NULL;
 229         char **class_names_out = NULL;
 230         time_t *mod_times_out = NULL;
 231         uint32 num_keys_out = 0;
 232         uint32 resume_idx = 0;
 233
 234         if ( !hnd )
 235                 return CAC_FAILURE;
 236
 237         /* This is to avoid useless rpc calls, if the last call
 238            exhausted all the keys, then we don't need to go
 239            through everything again */
 240
 241         if ( NT_STATUS_V( hnd->status ) ==
 242              NT_STATUS_V( NT_STATUS_GUIDS_EXHAUSTED ) )
 243                 return CAC_FAILURE;
 244
 245         if ( !hnd->_internal.ctx || !hnd->_internal.pipes[PI_WINREG] ) {
 246                 hnd->status = NT_STATUS_INVALID_HANDLE;
 247                 return CAC_FAILURE;
 248         }
 249
 250         if ( !op || op->in.max_keys == 0 || !mem_ctx ) {
 251                 hnd->status = NT_STATUS_INVALID_PARAMETER;
 252                 return CAC_FAILURE;
 253         }
 254
 255         pipe_hnd = cac_GetPipe( hnd, PI_WINREG );
 256         if ( !pipe_hnd ) {
 257                 hnd->status = NT_STATUS_INVALID_HANDLE;
 258                 return CAC_FAILURE;
 259         }
 260
 261         /* The only way to know how many keys to expect is to
 262            assume max_keys keys will be found */
 263
 264         key_names_out = TALLOC_ARRAY( mem_ctx, char *, op->in.max_keys );
 265         if ( !key_names_out ) {
 266                 hnd->status = NT_STATUS_NO_MEMORY;
 267                 return CAC_FAILURE;
 268         }
 269
 270         class_names_out = TALLOC_ARRAY( mem_ctx, char *, op->in.max_keys );
 271         if ( !class_names_out ) {
 272                 hnd->status = NT_STATUS_NO_MEMORY;
 273                 TALLOC_FREE( key_names_out );
 274                 return CAC_FAILURE;
 275         }
 276
 277         mod_times_out = TALLOC_ARRAY( mem_ctx, time_t, op->in.max_keys );
 278         if ( !mod_times_out ) {
 279                 hnd->status = NT_STATUS_NO_MEMORY;
 280                 TALLOC_FREE( key_names_out );
 281                 TALLOC_FREE( class_names_out );
 282
 283                 return CAC_FAILURE;
 284         }
 285
 286         resume_idx = op->out.resume_idx;
 287
 288         do {
 289 #if 0
 290                 hnd->status =
 291                         rpccli_winreg_EnumKey( pipe_hnd, mem_ctx, op->in.key,
 292                                                 resume_idx, key_name_in,
 293                                                 class_name_in,
 294                                                 &mod_times_out );
 295 #endif
 296
 297                 if ( !NT_STATUS_IS_OK( hnd->status ) ) {
 298                         /*don't increment any values */
 299                         break;
 300                 }
 301
 302                 key_names_out[num_keys_out] =
 303                         talloc_strdup( mem_ctx, key_name_in );
 304
 305                 class_names_out[num_keys_out] =
 306                         talloc_strdup( mem_ctx, class_name_in );
 307
 308                 if ( !key_names_out[num_keys_out]
 309                      || !class_names_out[num_keys_out] ) {
 310                         hnd->status = NT_STATUS_NO_MEMORY;
 311                         break;
 312                 }
 313
 314                 resume_idx++;
 315                 num_keys_out++;
 316         } while ( num_keys_out < op->in.max_keys );
 317
 318         if ( CAC_OP_FAILED( hnd->status ) ) {
 319                 op->out.num_keys = 0;
 320                 return CAC_FAILURE;
 321         }
 322
 323         op->out.resume_idx = resume_idx;
 324         op->out.num_keys = num_keys_out;
 325         op->out.key_names = key_names_out;
 326         op->out.class_names = class_names_out;
 327         op->out.mod_times = mod_times_out;
 328
 329         return CAC_SUCCESS;
 330 }
 331
 332 int cac_RegCreateKey( CacServerHandle * hnd, TALLOC_CTX * mem_ctx,
 333                       struct RegCreateKey *op )
 334 {
 335         struct rpc_pipe_client *pipe_hnd = NULL;
 336         POLICY_HND *key_out;
 337         struct RegOpenKey rok;
 338         struct winreg_String key_string, class_string;
 339         enum winreg_CreateAction action = 0;
 340
 341         if ( !hnd )
 342                 return CAC_FAILURE;
 343
 344         if ( !hnd->_internal.ctx ) {
 345                 hnd->status = NT_STATUS_INVALID_HANDLE;
 346                 return CAC_FAILURE;
 347         }
 348
 349         if ( !op || !op->in.parent_key || !op->in.key_name || !mem_ctx ) {
 350                 hnd->status = NT_STATUS_INVALID_PARAMETER;
 351                 return CAC_FAILURE;
 352         }
 353
 354         /*first try to open the key - we use cac_RegOpenKey(). this doubles as a way to ensure the winreg pipe is initialized */
 355         ZERO_STRUCT( rok );
 356
 357         rok.in.name = op->in.key_name;
 358         rok.in.access = op->in.access;
 359         rok.in.parent_key = op->in.parent_key;
 360
 361         if ( cac_RegOpenKey( hnd, mem_ctx, &rok ) ) {
 362                 /*then we got the key, return */
 363                 op->out.key = rok.out.key;
 364                 return CAC_SUCCESS;
 365         }
 366
 367         /*just be ultra-safe */
 368         pipe_hnd = cac_GetPipe( hnd, PI_WINREG );
 369         if ( !pipe_hnd ) {
 370                 hnd->status = NT_STATUS_INVALID_HANDLE;
 371                 return CAC_FAILURE;
 372         }
 373
 374         key_out = talloc( mem_ctx, POLICY_HND );
 375         if ( !key_out ) {
 376                 hnd->status = NT_STATUS_NO_MEMORY;
 377                 return CAC_FAILURE;
 378         }
 379
 380         key_string.name = op->in.key_name;
 381         class_string.name = op->in.class_name;
 382         hnd->status =
 383                 rpccli_winreg_CreateKey( pipe_hnd, mem_ctx, op->in.parent_key,
 384                                          key_string, class_string, 0,
 385                                          op->in.access, NULL, key_out,
 386                                          &action );
 387
 388         if ( !NT_STATUS_IS_OK( hnd->status ) ) {
 389                 return CAC_FAILURE;
 390         }
 391
 392         op->out.key = key_out;
 393
 394         return CAC_SUCCESS;
 395
 396 }
 397
 398 NTSTATUS cac_delete_subkeys_recursive( struct rpc_pipe_client * pipe_hnd,
 399                                      TALLOC_CTX * mem_ctx, POLICY_HND * key )
 400 {
 401         POLICY_HND subkey;
 402         fstring subkey_name;
 403         int cur_key = 0;
 404         NTSTATUS status;
 405         uint32 num_subkeys, max_subkeylen, max_classlen;
 406         uint32 num_values, max_valnamelen, maxvalbufsize;
 407         char *name_buffer;
 408         struct winreg_String class_string;
 409
 410         NTTIME modtime;
 411         uint32 secdescsize;
 412
 413         /* First get the max subkey name length */
 414
 415         class_string.name = NULL;
 416         status = rpccli_winreg_QueryInfoKey( pipe_hnd, mem_ctx, key,
 417                                              &class_string, &num_subkeys,
 418                                              &max_subkeylen, &max_classlen,
 419                                              &num_values, &max_valnamelen,
 420                                              &maxvalbufsize, &secdescsize,
 421                                              &modtime );
 422
 423
 424         if ( !NT_STATUS_IS_OK( status ) ) {
 425                 return status;
 426         }
 427
 428         if ( (name_buffer = TALLOC_ARRAY( mem_ctx, char, max_subkeylen )) == NULL ) {
 429                 d_fprintf(stderr, "Memory allocation error.\n");
 430                 return NT_STATUS_NO_MEMORY;
 431         }
 432
 433
 434         while ( NT_STATUS_IS_OK( status ) ) {
 435                 struct winreg_String key_string;
 436                 struct winreg_StringBuf subkey_string;
 437                 fstring subkeyname;
 438
 439                 memset( name_buffer, 0x0, max_subkeylen );
 440                 subkey_string.name = name_buffer;
 441                 subkey_string.length = 0;
 442                 subkey_string.size = max_subkeylen;
 443
 444                 status = rpccli_winreg_EnumKey(pipe_hnd, mem_ctx, key, cur_key,
 445                         &subkey_string, NULL, NULL);
 446
 447                 if ( !NT_STATUS_IS_OK( status ) )
 448                         break;
 449
 450                 /* copy the keyname and add the terminating NULL */
 451
 452                 StrnCpy( subkeyname, subkey_string.name,
 453                          MIN(subkey_string.length, sizeof(subkeyname)-1) );
 454                 subkeyname[MIN(subkey_string.length, sizeof(subkeyname)-1)] = '\0';
 455
 456                 /*try to open the key with full access */
 457
 458                 key_string.name = subkeyname;
 459                 status = rpccli_winreg_OpenKey( pipe_hnd, mem_ctx, key,
 460                                                 key_string, 0, REG_KEY_ALL,
 461                                                 &subkey );
 462
 463                 if ( !NT_STATUS_IS_OK( status ) )
 464                         break;
 465
 466                 status = cac_delete_subkeys_recursive( pipe_hnd, mem_ctx,
 467                                                     &subkey );
 468
 469                 if ( !W_ERROR_EQUAL( ntstatus_to_werror(status), WERR_NO_MORE_ITEMS )
 470                      && !NT_STATUS_IS_OK( status ) )
 471                         break;
 472
 473                 /*flush the key just to be safe */
 474                 rpccli_winreg_FlushKey( pipe_hnd, mem_ctx, key );
 475
 476                 /*close the key that we opened */
 477                 rpccli_winreg_CloseKey( pipe_hnd, mem_ctx, &subkey );
 478
 479                 /*now we delete the subkey */
 480                 key_string.name = subkey_name;
 481                 status = rpccli_winreg_DeleteKey( pipe_hnd, mem_ctx, key,
 482                                                   key_string );
 483
 484                 cur_key++;
 485         }
 486
 487
 488         return status;
 489 }
 490
 491
 492
 493 int cac_RegDeleteKey( CacServerHandle * hnd, TALLOC_CTX * mem_ctx,
 494                       struct RegDeleteKey *op )
 495 {
 496         struct rpc_pipe_client *pipe_hnd = NULL;
 497         struct winreg_String key_string;
 498
 499         if ( !hnd )
 500                 return CAC_FAILURE;
 501
 502         if ( !hnd->_internal.ctx || !hnd->_internal.pipes[PI_WINREG] ) {
 503                 hnd->status = NT_STATUS_INVALID_HANDLE;
 504                 return CAC_FAILURE;
 505         }
 506
 507         if ( !op || !op->in.parent_key || !op->in.name || !mem_ctx ) {
 508                 hnd->status = NT_STATUS_INVALID_PARAMETER;
 509                 return CAC_FAILURE;
 510         }
 511
 512         pipe_hnd = cac_GetPipe( hnd, PI_WINREG );
 513         if ( !pipe_hnd ) {
 514                 hnd->status = NT_STATUS_INVALID_HANDLE;
 515                 return CAC_FAILURE;
 516         }
 517
 518         if ( op->in.recursive ) {
 519
 520                 /* first open the key, and then delete all of
 521                    it's subkeys recursively */
 522
 523                 struct RegOpenKey rok;
 524
 525                 ZERO_STRUCT( rok );
 526
 527                 rok.in.parent_key = op->in.parent_key;
 528                 rok.in.name = op->in.name;
 529                 rok.in.access = REG_KEY_ALL;
 530
 531                 if ( !cac_RegOpenKey( hnd, mem_ctx, &rok ) )
 532                         return CAC_FAILURE;
 533
 534                 hnd->status = cac_delete_subkeys_recursive( pipe_hnd, mem_ctx,
 535                                                     rok.out.key );
 536
 537                 /*close the key that we opened */
 538                 cac_RegClose( hnd, mem_ctx, rok.out.key );
 539
 540                 if ( NT_STATUS_V( hnd->status ) !=
 541                      NT_STATUS_V( NT_STATUS_GUIDS_EXHAUSTED )
 542                      && !NT_STATUS_IS_OK( hnd->status ) )
 543                         return CAC_FAILURE;
 544
 545                 /*now go on to actually delete the key */
 546         }
 547
 548         key_string.name = op->in.name;
 549         hnd->status =
 550                 rpccli_winreg_DeleteKey( pipe_hnd, mem_ctx, op->in.parent_key,
 551                                          key_string );
 552
 553         if ( !NT_STATUS_IS_OK( hnd->status ) ) {
 554                 return CAC_FAILURE;
 555         }
 556
 557         return CAC_SUCCESS;
 558 }
 559
 560 int cac_RegDeleteValue( CacServerHandle * hnd, TALLOC_CTX * mem_ctx,
 561                         struct RegDeleteValue *op )
 562 {
 563         struct rpc_pipe_client *pipe_hnd = NULL;
 564         struct winreg_String value_string;
 565
 566         if ( !hnd )
 567                 return CAC_FAILURE;
 568
 569         if ( !hnd->_internal.ctx || !hnd->_internal.pipes[PI_WINREG] ) {
 570                 hnd->status = NT_STATUS_INVALID_HANDLE;
 571                 return CAC_FAILURE;
 572         }
 573
 574         if ( !op || !op->in.parent_key || !op->in.name || !mem_ctx ) {
 575                 hnd->status = NT_STATUS_INVALID_PARAMETER;
 576                 return CAC_FAILURE;
 577         }
 578
 579         pipe_hnd = cac_GetPipe( hnd, PI_WINREG );
 580         if ( !pipe_hnd ) {
 581                 hnd->status = NT_STATUS_INVALID_HANDLE;
 582                 return CAC_FAILURE;
 583         }
 584
 585         value_string.name = op->in.name;
 586         hnd->status =
 587                 rpccli_winreg_DeleteValue( pipe_hnd, mem_ctx,
 588                                            op->in.parent_key, value_string );
 589
 590         if ( !NT_STATUS_IS_OK( hnd->status ) ) {
 591                 return CAC_FAILURE;
 592         }
 593
 594         return CAC_SUCCESS;
 595 }
 596
 597 int cac_RegQueryKeyInfo( CacServerHandle * hnd, TALLOC_CTX * mem_ctx,
 598                          struct RegQueryKeyInfo *op )
 599 {
 600         struct rpc_pipe_client *pipe_hnd = NULL;
 601         uint32 num_subkeys_out = 0;
 602         uint32 long_subkey_out = 0;
 603         uint32 long_class_out = 0;
 604         uint32 num_values_out = 0;
 605         uint32 long_value_out = 0;
 606         uint32 long_data_out = 0;
 607         uint32 secdesc_size = 0;
 608         NTTIME mod_time;
 609         struct winreg_String class_string;
 610
 611         if ( !hnd )
 612                 return CAC_FAILURE;
 613
 614         if ( !hnd->_internal.ctx || !hnd->_internal.pipes[PI_WINREG] ) {
 615                 hnd->status = NT_STATUS_INVALID_HANDLE;
 616                 return CAC_FAILURE;
 617         }
 618
 619         if ( !op || !op->in.key || !mem_ctx ) {
 620                 hnd->status = NT_STATUS_INVALID_PARAMETER;
 621                 return CAC_FAILURE;
 622         }
 623
 624         pipe_hnd = cac_GetPipe( hnd, PI_WINREG );
 625         if ( !pipe_hnd ) {
 626                 hnd->status = NT_STATUS_INVALID_HANDLE;
 627                 return CAC_FAILURE;
 628         }
 629
 630         hnd->status = rpccli_winreg_QueryInfoKey( pipe_hnd, mem_ctx,
 631                                                   op->in.key,
 632                                                   &class_string,
 633                                                   &num_subkeys_out,
 634                                                   &long_subkey_out,
 635                                                   &long_class_out,
 636                                                   &num_values_out,
 637                                                   &long_value_out,
 638                                                   &long_data_out,
 639                                                   &secdesc_size, &mod_time );
 640
 641         if ( !NT_STATUS_IS_OK( hnd->status ) )
 642                 return CAC_FAILURE;
 643
 644         if ( !class_string.name ) {
 645                 op->out.class_name = talloc_strdup( mem_ctx, "" );
 646         } else {
 647                 op->out.class_name = talloc_strdup( mem_ctx, class_string.name );
 648         }
 649
 650         if ( !op->out.class_name ) {
 651                 hnd->status = NT_STATUS_NO_MEMORY;
 652                 return CAC_FAILURE;
 653         }
 654
 655         op->out.num_subkeys = num_subkeys_out;
 656         op->out.longest_subkey = long_subkey_out;
 657         op->out.longest_class = long_class_out;
 658         op->out.num_values = num_values_out;
 659         op->out.longest_value_name = long_value_out;
 660         op->out.longest_value_data = long_data_out;
 661         op->out.security_desc_size = secdesc_size;
 662         op->out.last_write_time = nt_time_to_unix( mod_time );
 663
 664         return CAC_FAILURE;
 665 }
 666
 667 int cac_RegQueryValue( CacServerHandle * hnd, TALLOC_CTX * mem_ctx,
 668                        struct RegQueryValue *op )
 669 {
 670         struct rpc_pipe_client *pipe_hnd = NULL;
 671         struct winreg_String value_string;
 672         REGVAL_BUFFER buffer;
 673         REG_VALUE_DATA *data_out = NULL;
 674         enum winreg_Type val_type;
 675         uint8 *buf;
 676         uint32 buf_size = 4096;
 677         uint32 length = 0;
 678
 679         if ( !hnd )
 680                 return CAC_FAILURE;
 681
 682         if ( !hnd->_internal.ctx || !hnd->_internal.pipes[PI_WINREG] ) {
 683                 hnd->status = NT_STATUS_INVALID_HANDLE;
 684                 return CAC_FAILURE;
 685         }
 686
 687         if ( !op || !op->in.key || !op->in.val_name || !mem_ctx ) {
 688                 hnd->status = NT_STATUS_INVALID_PARAMETER;
 689                 return CAC_FAILURE;
 690         }
 691
 692         pipe_hnd = cac_GetPipe( hnd, PI_WINREG );
 693         if ( !pipe_hnd ) {
 694                 hnd->status = NT_STATUS_INVALID_HANDLE;
 695                 return CAC_FAILURE;
 696         }
 697
 698         value_string.name = op->in.val_name;
 699
 700         if ( ( buf = TALLOC_ARRAY( mem_ctx, uint8, buf_size ) ) == NULL ) {
 701                 hnd->status = NT_STATUS_NO_MEMORY;
 702                 return CAC_FAILURE;
 703         }
 704
 705         hnd->status = rpccli_winreg_QueryValue( pipe_hnd, mem_ctx, op->in.key,
 706                                                 value_string, &val_type, buf,
 707                                                 &buf_size, &length );
 708
 709         if ( !NT_STATUS_IS_OK( hnd->status ) )
 710                 return CAC_FAILURE;
 711
 712         init_regval_buffer( &buffer, buf, length );
 713
 714         data_out = cac_MakeRegValueData( mem_ctx, val_type, buffer );
 715         if ( !data_out ) {
 716                 if ( errno == ENOMEM )
 717                         hnd->status = NT_STATUS_NO_MEMORY;
 718                 else
 719                         hnd->status = NT_STATUS_INVALID_PARAMETER;
 720
 721                 return CAC_FAILURE;
 722         }
 723
 724         op->out.type = val_type;
 725         op->out.data = data_out;
 726
 727         return CAC_SUCCESS;
 728 }
 729
 730
 731 int cac_RegEnumValues( CacServerHandle * hnd, TALLOC_CTX * mem_ctx,
 732                        struct RegEnumValues *op )
 733 {
 734         struct rpc_pipe_client *pipe_hnd = NULL;
 735         char *name_buffer;
 736         REGVAL_BUFFER val_buf;
 737         uint32 *types_out = NULL;
 738         REG_VALUE_DATA **values_out = NULL;
 739         char **val_names_out = NULL;
 740         uint32 num_values_out = 0;
 741         uint32 resume_idx = 0;
 742         uint32 num_subkeys, max_subkeylen, max_classlen;
 743         uint32 num_values, max_valnamelen, maxvalbufsize;
 744         struct winreg_String class_string;
 745         NTTIME modtime;
 746         uint32 secdescsize;
 747         uint8 *buffer;
 748
 749         if ( !hnd )
 750                 return CAC_FAILURE;
 751
 752         /* This is to avoid useless rpc calls, if the last
 753            call exhausted all the keys, then we don't need
 754            to go through everything again */
 755
 756         if ( NT_STATUS_V( hnd->status ) ==
 757              NT_STATUS_V( NT_STATUS_GUIDS_EXHAUSTED ) )
 758                 return CAC_FAILURE;
 759
 760         if ( !hnd->_internal.ctx || !hnd->_internal.pipes[PI_WINREG] ) {
 761                 hnd->status = NT_STATUS_INVALID_HANDLE;
 762                 return CAC_FAILURE;
 763         }
 764
 765         if ( !op || !op->in.key || op->in.max_values == 0 || !mem_ctx ) {
 766                 hnd->status = NT_STATUS_INVALID_PARAMETER;
 767                 return CAC_FAILURE;
 768         }
 769
 770         pipe_hnd = cac_GetPipe( hnd, PI_WINREG );
 771         if ( !pipe_hnd ) {
 772                 hnd->status = NT_STATUS_INVALID_HANDLE;
 773                 return CAC_FAILURE;
 774         }
 775
 776         /*we need to assume that the max number of values will be enumerated */
 777         types_out = TALLOC_ARRAY( mem_ctx, uint32, op->in.max_values );
 778
 779         if ( !types_out ) {
 780                 hnd->status = NT_STATUS_NO_MEMORY;
 781                 return CAC_FAILURE;
 782         }
 783
 784         values_out = TALLOC_ARRAY( mem_ctx, REG_VALUE_DATA *,
 785                                    op->in.max_values );
 786
 787         if ( !values_out ) {
 788                 TALLOC_FREE( types_out );
 789                 hnd->status = NT_STATUS_NO_MEMORY;
 790                 return CAC_FAILURE;
 791         }
 792
 793         val_names_out = TALLOC_ARRAY( mem_ctx, char *, op->in.max_values );
 794
 795         if ( !val_names_out ) {
 796                 TALLOC_FREE( types_out );
 797                 TALLOC_FREE( values_out );
 798                 hnd->status = NT_STATUS_NO_MEMORY;
 799                 return CAC_FAILURE;
 800         }
 801
 802         resume_idx = op->out.resume_idx;
 803
 804         class_string.name = NULL;
 805         hnd->status = rpccli_winreg_QueryInfoKey( pipe_hnd, mem_ctx, op->in.key,
 806                                              &class_string, &num_subkeys,
 807                                              &max_subkeylen, &max_classlen,
 808                                              &num_values, &max_valnamelen,
 809                                              &maxvalbufsize, &secdescsize,
 810                                              &modtime );
 811
 812         if ( !NT_STATUS_IS_OK(hnd->status) ) {
 813                 TALLOC_FREE( types_out );
 814                 TALLOC_FREE( values_out );
 815
 816                 return CAC_FAILURE;
 817         }
 818
 819         if ( (buffer = TALLOC_ARRAY( mem_ctx, uint8, maxvalbufsize )) == NULL ) {
 820                 TALLOC_FREE( types_out );
 821                 TALLOC_FREE( values_out );
 822                 hnd->status = NT_STATUS_NO_MEMORY;
 823
 824                 return CAC_FAILURE;
 825         }
 826
 827         if ( (name_buffer = TALLOC_ARRAY(mem_ctx, char, max_valnamelen)) == NULL ) {
 828                 TALLOC_FREE( types_out );
 829                 TALLOC_FREE( values_out );
 830                 TALLOC_FREE( buffer );
 831                 hnd->status = NT_STATUS_NO_MEMORY;
 832
 833                 return CAC_FAILURE;
 834         }
 835
 836         do {
 837                 uint32 data_size = maxvalbufsize;
 838                 uint32 data_length = 0;
 839                 struct winreg_ValNameBuf name_buf;
 840
 841                 memset( name_buffer, 0x0, max_valnamelen );
 842                 name_buf.name = name_buffer;
 843                 name_buf.size = max_valnamelen;
 844                 name_buf.length = 0;
 845
 846                 hnd->status = rpccli_winreg_EnumValue( pipe_hnd, mem_ctx,
 847                                                        op->in.key,
 848                                                        resume_idx, &name_buf,
 849                                                        &types_out[num_values_out], buffer,
 850                                                        &data_size,
 851                                                        &data_length );
 852
 853                 if ( !NT_STATUS_IS_OK( hnd->status ) )
 854                         break;
 855
 856                 ZERO_STRUCT( val_buf );
 857                 init_regval_buffer(  &val_buf, buffer, data_length );
 858
 859                 values_out[num_values_out] = cac_MakeRegValueData( mem_ctx,
 860                                                                    types_out[num_values_out],
 861                                                                    val_buf );
 862                 val_names_out[num_values_out] = TALLOC_ARRAY( mem_ctx, char, name_buf.length+1 );
 863
 864                 if ( !val_names_out[num_values_out]
 865                      || !values_out[num_values_out] ) {
 866                         hnd->status = NT_STATUS_NO_MEMORY;
 867                         break;
 868                 }
 869
 870                 StrnCpy( val_names_out[num_values_out], name_buf.name, name_buf.length );
 871                 (val_names_out[num_values_out])[name_buf.length] = '\0';
 872
 873                 num_values_out++;
 874                 resume_idx++;
 875         } while ( num_values_out < op->in.max_values );
 876
 877         if ( CAC_OP_FAILED( hnd->status ) )
 878                 return CAC_FAILURE;
 879
 880         op->out.types = types_out;
 881         op->out.num_values = num_values_out;
 882         op->out.value_names = val_names_out;
 883         op->out.values = values_out;
 884         op->out.resume_idx = resume_idx;
 885
 886         return CAC_SUCCESS;
 887 }
 888
 889 int cac_RegSetValue( CacServerHandle * hnd, TALLOC_CTX * mem_ctx,
 890                      struct RegSetValue *op )
 891 {
 892         struct rpc_pipe_client *pipe_hnd = NULL;
 893         struct winreg_String value_string;
 894
 895         RPC_DATA_BLOB *buffer;
 896
 897         if ( !hnd )
 898                 return CAC_FAILURE;
 899
 900         if ( !hnd->_internal.ctx || !hnd->_internal.pipes[PI_WINREG] ) {
 901                 hnd->status = NT_STATUS_INVALID_HANDLE;
 902                 return CAC_FAILURE;
 903         }
 904
 905         if ( !op || !op->in.key || !op->in.val_name || !mem_ctx ) {
 906                 hnd->status = NT_STATUS_INVALID_PARAMETER;
 907                 return CAC_FAILURE;
 908         }
 909
 910         pipe_hnd = cac_GetPipe( hnd, PI_WINREG );
 911         if ( !pipe_hnd ) {
 912                 hnd->status = NT_STATUS_INVALID_HANDLE;
 913                 return CAC_FAILURE;
 914         }
 915
 916         buffer = cac_MakeRpcDataBlob( mem_ctx, op->in.type, op->in.value );
 917
 918         if ( !buffer ) {
 919                 if ( errno == ENOMEM )
 920                         hnd->status = NT_STATUS_NO_MEMORY;
 921                 else
 922                         hnd->status = NT_STATUS_INVALID_PARAMETER;
 923
 924                 return CAC_FAILURE;
 925         }
 926
 927         value_string.name = op->in.val_name;
 928         hnd->status =
 929                 rpccli_winreg_SetValue( pipe_hnd, mem_ctx, op->in.key,
 930                                         value_string, op->in.type,
 931                                         buffer->buffer, buffer->buf_len );
 932
 933         if ( !NT_STATUS_IS_OK( hnd->status ) )
 934                 return CAC_FAILURE;
 935
 936         /*flush */
 937         hnd->status = rpccli_winreg_FlushKey( pipe_hnd, mem_ctx, op->in.key );
 938
 939         if ( !NT_STATUS_IS_OK( hnd->status ) )
 940                 return CAC_FAILURE;
 941
 942         return CAC_SUCCESS;
 943 }
 944
 945
 946
 947 int cac_RegGetVersion( CacServerHandle * hnd, TALLOC_CTX * mem_ctx,
 948                        struct RegGetVersion *op )
 949 {
 950         struct rpc_pipe_client *pipe_hnd = NULL;
 951         uint32 version_out;
 952
 953         if ( !hnd )
 954                 return CAC_FAILURE;
 955
 956         if ( !hnd->_internal.ctx || !hnd->_internal.pipes[PI_WINREG] ) {
 957                 hnd->status = NT_STATUS_INVALID_HANDLE;
 958                 return CAC_FAILURE;
 959         }
 960
 961         if ( !op || !op->in.key || !mem_ctx ) {
 962                 hnd->status = NT_STATUS_INVALID_PARAMETER;
 963                 return CAC_FAILURE;
 964         }
 965
 966         pipe_hnd = cac_GetPipe( hnd, PI_WINREG );
 967         if ( !pipe_hnd ) {
 968                 hnd->status = NT_STATUS_INVALID_HANDLE;
 969                 return CAC_FAILURE;
 970         }
 971
 972         hnd->status =
 973                 rpccli_winreg_GetVersion( pipe_hnd, mem_ctx, op->in.key,
 974                                           &version_out );
 975
 976         if ( !NT_STATUS_IS_OK( hnd->status ) )
 977                 return CAC_FAILURE;
 978
 979         op->out.version = version_out;
 980
 981         return CAC_SUCCESS;
 982 }
 983
 984 int cac_RegGetKeySecurity( CacServerHandle * hnd, TALLOC_CTX * mem_ctx,
 985                            struct RegGetKeySecurity *op )
 986 {
 987         struct rpc_pipe_client *pipe_hnd = NULL;
 988         struct KeySecurityData keysec;
 989
 990         ZERO_STRUCT( keysec );
 991
 992         if ( !hnd )
 993                 return CAC_FAILURE;
 994
 995         if ( !hnd->_internal.ctx || !hnd->_internal.pipes[PI_WINREG] ) {
 996                 hnd->status = NT_STATUS_INVALID_HANDLE;
 997                 return CAC_FAILURE;
 998         }
 999
1000         if ( !op || !op->in.key || op->in.info_type == 0 || !mem_ctx ) {
1001                 hnd->status = NT_STATUS_INVALID_PARAMETER;
1002                 return CAC_FAILURE;
1003         }
1004
1005         pipe_hnd = cac_GetPipe( hnd, PI_WINREG );
1006         if ( !pipe_hnd ) {
1007                 hnd->status = NT_STATUS_INVALID_HANDLE;
1008                 return CAC_FAILURE;
1009         }
1010
1011         hnd->status =
1012                 rpccli_winreg_GetKeySecurity( pipe_hnd, mem_ctx, op->in.key,
1013                                               op->in.info_type, &keysec );
1014
1015         if ( !NT_STATUS_IS_OK( hnd->status ) ) {
1016                 return CAC_FAILURE;
1017         }
1018
1019 #if 0   /* FIX ME!!!!  unmarshall the security descriptor */
1020         op->out.size = buf.sd_size;
1021         op->out.descriptor = dup_sec_desc( mem_ctx, buf.sd );
1022 #endif
1023
1024         if ( op->out.descriptor == NULL ) {
1025                 return CAC_FAILURE;
1026         }
1027
1028         return CAC_SUCCESS;
1029 }
1030
1031 int cac_RegSetKeySecurity( CacServerHandle * hnd, TALLOC_CTX * mem_ctx,
1032                            struct RegSetKeySecurity *op )
1033 {
1034         struct rpc_pipe_client *pipe_hnd = NULL;
1035         struct KeySecurityData keysec;
1036
1037         ZERO_STRUCT( keysec );
1038
1039         if ( !hnd )
1040                 return CAC_FAILURE;
1041
1042         if ( !hnd->_internal.ctx || !hnd->_internal.pipes[PI_WINREG] ) {
1043                 hnd->status = NT_STATUS_INVALID_HANDLE;
1044                 return CAC_FAILURE;
1045         }
1046
1047         if ( !op || !op->in.key || op->in.info_type == 0 || op->in.size == 0
1048              || !op->in.descriptor || !mem_ctx ) {
1049                 hnd->status = NT_STATUS_INVALID_PARAMETER;
1050                 return CAC_FAILURE;
1051         }
1052
1053         pipe_hnd = cac_GetPipe( hnd, PI_WINREG );
1054         if ( !pipe_hnd ) {
1055                 hnd->status = NT_STATUS_INVALID_HANDLE;
1056                 return CAC_FAILURE;
1057         }
1058
1059         /* FIXME!!! Marshall in the input sec_desc to struct KeySecurityData */
1060         hnd->status =
1061                 rpccli_winreg_SetKeySecurity( pipe_hnd, mem_ctx, op->in.key,
1062                                               op->in.info_type, &keysec );
1063
1064         if ( !NT_STATUS_IS_OK( hnd->status ) ) {
1065                 return CAC_FAILURE;
1066         }
1067
1068         return CAC_SUCCESS;
1069 }
1070
1071 int cac_Shutdown( CacServerHandle * hnd, TALLOC_CTX * mem_ctx,
1072                   struct Shutdown *op )
1073 {
1074         SMBCSRV *srv = NULL;
1075         struct rpc_pipe_client *pipe_hnd = NULL;
1076         struct initshutdown_String msg_string;
1077         struct initshutdown_String_sub s;
1078
1079         char *msg;
1080
1081         if ( !hnd )
1082                 return CAC_FAILURE;
1083
1084         if ( !hnd->_internal.ctx ) {
1085                 hnd->status = NT_STATUS_INVALID_HANDLE;
1086                 return CAC_FAILURE;
1087         }
1088
1089         if ( !op || !mem_ctx ) {
1090                 hnd->status = NT_STATUS_INVALID_PARAMETER;
1091                 return CAC_FAILURE;
1092         }
1093
1094         srv = cac_GetServer( hnd );
1095         if ( !srv ) {
1096                 hnd->status = NT_STATUS_INVALID_HANDLE;
1097                 return CAC_FAILURE;
1098         }
1099
1100         /*initialize for winreg pipe if we have to */
1101         if ( !hnd->_internal.pipes[PI_INITSHUTDOWN] ) {
1102                 if ( !
1103                      ( pipe_hnd =
1104                        cli_rpc_pipe_open_noauth( srv->cli, PI_INITSHUTDOWN,
1105                                                  &( hnd->status ) ) ) ) {
1106                         return CAC_FAILURE;
1107                 }
1108
1109                 hnd->_internal.pipes[PI_INITSHUTDOWN] = True;
1110         }
1111
1112         pipe_hnd = cac_GetPipe( hnd, PI_INITSHUTDOWN );
1113         if ( !pipe_hnd ) {
1114                 hnd->status = NT_STATUS_INVALID_HANDLE;
1115                 return CAC_FAILURE;
1116         }
1117
1118         msg = ( op->in.message !=
1119                 NULL ) ? op->in.message : talloc_strdup( mem_ctx, "" );
1120         msg_string.name = &s;
1121         msg_string.name->name = msg;
1122
1123         hnd->status = NT_STATUS_OK;
1124
1125         if ( hnd->_internal.srv_level > SRV_WIN_NT4 ) {
1126                 hnd->status =
1127                         rpccli_initshutdown_InitEx( pipe_hnd, mem_ctx, NULL,
1128                                                     &msg_string,
1129                                                     op->in.timeout,
1130                                                     op->in.reboot,
1131                                                     op->in.force,
1132                                                     op->in.reason );
1133         }
1134
1135         if ( hnd->_internal.srv_level < SRV_WIN_2K
1136              || !NT_STATUS_IS_OK( hnd->status ) ) {
1137                 hnd->status =
1138                         rpccli_initshutdown_Init( pipe_hnd, mem_ctx, NULL,
1139                                                   &msg_string, op->in.timeout,
1140                                                   op->in.reboot,
1141                                                   op->in.force );
1142
1143                 hnd->_internal.srv_level = SRV_WIN_NT4;
1144         }
1145
1146         if ( !NT_STATUS_IS_OK( hnd->status ) ) {
1147                 return CAC_FAILURE;
1148         }
1149
1150         return CAC_SUCCESS;
1151 }
1152
1153 int cac_AbortShutdown( CacServerHandle * hnd, TALLOC_CTX * mem_ctx )
1154 {
1155         struct rpc_pipe_client *pipe_hnd = NULL;
1156
1157         if ( !hnd )
1158                 return CAC_FAILURE;
1159
1160         if ( !hnd->_internal.ctx || !hnd->_internal.pipes[PI_INITSHUTDOWN] ) {
1161                 hnd->status = NT_STATUS_INVALID_HANDLE;
1162                 return CAC_FAILURE;
1163         }
1164
1165         pipe_hnd = cac_GetPipe( hnd, PI_INITSHUTDOWN );
1166         if ( !pipe_hnd ) {
1167                 hnd->status = NT_STATUS_INVALID_HANDLE;
1168                 return CAC_FAILURE;
1169         }
1170
1171         hnd->status = rpccli_initshutdown_Abort( pipe_hnd, mem_ctx, NULL );
1172
1173         if ( !NT_STATUS_IS_OK( hnd->status ) )
1174                 return CAC_FAILURE;
1175
1176         return CAC_SUCCESS;
1177 }