source/rpc_server/srv_reg_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) Jeremy Allison                     2001.
   8  *  Copyright (C) Gerald Carter                      2002.
   9  *
  10  *  This program is free software; you can redistribute it and/or modify
  11  *  it under the terms of the GNU General Public License as published by
  12  *  the Free Software Foundation; either version 2 of the License, or
  13  *  (at your option) any later version.
  14  *
  15  *  This program is distributed in the hope that it will be useful,
  16  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  *  GNU General Public License for more details.
  19  *
  20  *  You should have received a copy of the GNU General Public License
  21  *  along with this program; if not, write to the Free Software
  22  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  23  */
  24
  25 /* Implementation of registry functions. */
  26
  27 #include "includes.h"
  28
  29 #undef DBGC_CLASS
  30 #define DBGC_CLASS DBGC_RPC_SRV
  31
  32 #define REGSTR_PRODUCTTYPE              "ProductType"
  33 #define REG_PT_WINNT                    "WinNT"
  34 #define REG_PT_LANMANNT                 "LanmanNT"
  35 #define REG_PT_SERVERNT                 "ServerNT"
  36
  37 #define OUR_HANDLE(hnd) (((hnd)==NULL)?"NULL":(IVAL((hnd)->data5,4)==(uint32)sys_getpid()?"OURS":"OTHER")), \
  38 ((unsigned int)IVAL((hnd)->data5,4)),((unsigned int)sys_getpid())
  39
  40
  41 static REGISTRY_KEY *regkeys_list;
  42
  43
  44 /******************************************************************
  45  free() function for REGISTRY_KEY
  46  *****************************************************************/
  47
  48 static void free_regkey_info(void *ptr)
  49 {
  50         REGISTRY_KEY *info = (REGISTRY_KEY*)ptr;
  51
  52         DLIST_REMOVE(regkeys_list, info);
  53
  54         SAFE_FREE(info);
  55 }
  56
  57 /******************************************************************
  58  Find a registry key handle and return a REGISTRY_KEY
  59  *****************************************************************/
  60
  61 static REGISTRY_KEY *find_regkey_index_by_hnd(pipes_struct *p, POLICY_HND *hnd)
  62 {
  63         REGISTRY_KEY *regkey = NULL;
  64
  65         if(!find_policy_by_hnd(p,hnd,(void **)&regkey)) {
  66                 DEBUG(2,("find_regkey_index_by_hnd: Registry Key not found: "));
  67                 return NULL;
  68         }
  69
  70         return regkey;
  71 }
  72
  73
  74 /*******************************************************************
  75  Function for open a new registry handle and creating a handle
  76  Note that P should be valid & hnd should already have space
  77
  78  When we open a key, we store the full path to the key as
  79  HK[LM|U]\<key>\<key>\...
  80  *******************************************************************/
  81
  82 static NTSTATUS open_registry_key(pipes_struct *p, POLICY_HND *hnd, REGISTRY_KEY *parent,
  83                                 const char *subkeyname, uint32 access_granted  )
  84 {
  85         REGISTRY_KEY    *regkey = NULL;
  86         NTSTATUS        result = NT_STATUS_OK;
  87         REGSUBKEY_CTR   subkeys;
  88         pstring         subkeyname2;
  89         int             subkey_len;
  90
  91         DEBUG(7,("open_registry_key: name = [%s][%s]\n",
  92                 parent ? parent->name : "NULL", subkeyname));
  93
  94         /* strip any trailing '\'s */
  95         pstrcpy( subkeyname2, subkeyname );
  96         subkey_len = strlen ( subkeyname2 );
  97         if ( subkey_len && subkeyname2[subkey_len-1] == '\\' )
  98                 subkeyname2[subkey_len-1] = '\0';
  99
 100         if ((regkey=(REGISTRY_KEY*)malloc(sizeof(REGISTRY_KEY))) == NULL)
 101                 return NT_STATUS_NO_MEMORY;
 102
 103         ZERO_STRUCTP( regkey );
 104
 105         /*
 106          * very crazy, but regedit.exe on Win2k will attempt to call
 107          * REG_OPEN_ENTRY with a keyname of "".  We should return a new
 108          * (second) handle here on the key->name.  regedt32.exe does
 109          * not do this stupidity.   --jerry
 110          */
 111
 112         if ( !subkey_len ) {
 113                 pstrcpy( regkey->name, parent->name );
 114         }
 115         else {
 116                 pstrcpy( regkey->name, "" );
 117                 if ( parent ) {
 118                         pstrcat( regkey->name, parent->name );
 119                         pstrcat( regkey->name, "\\" );
 120                 }
 121                 pstrcat( regkey->name, subkeyname2 );
 122         }
 123
 124         /* Look up the table of registry I/O operations */
 125
 126         if ( !(regkey->hook = reghook_cache_find( regkey->name )) ) {
 127                 DEBUG(0,("open_registry_key: Failed to assigned a REGISTRY_HOOK to [%s]\n",
 128                         regkey->name ));
 129                 return NT_STATUS_OBJECT_PATH_NOT_FOUND;
 130         }
 131
 132         /* check if the path really exists; failed is indicated by -1 */
 133         /* if the subkey count failed, bail out */
 134
 135         ZERO_STRUCTP( &subkeys );
 136
 137         regsubkey_ctr_init( &subkeys );
 138
 139         if ( fetch_reg_keys( regkey, &subkeys ) == -1 )  {
 140
 141                 /* don't really know what to return here */
 142                 result = NT_STATUS_NO_SUCH_FILE;
 143         }
 144         else {
 145                 /*
 146                  * This would previously return NT_STATUS_TOO_MANY_SECRETS
 147                  * that doesn't sound quite right to me  --jerry
 148                  */
 149
 150                 if ( !create_policy_hnd( p, hnd, free_regkey_info, regkey ) )
 151                         result = NT_STATUS_OBJECT_NAME_NOT_FOUND;
 152         }
 153
 154         /* clean up */
 155
 156         regsubkey_ctr_destroy( &subkeys );
 157
 158         if ( ! NT_STATUS_IS_OK(result) )
 159                 SAFE_FREE( regkey );
 160         else
 161                 DLIST_ADD( regkeys_list, regkey );
 162
 163
 164         DEBUG(7,("open_registry_key: exit\n"));
 165
 166         return result;
 167 }
 168
 169 /*******************************************************************
 170  Function for open a new registry handle and creating a handle
 171  Note that P should be valid & hnd should already have space
 172  *******************************************************************/
 173
 174 static BOOL close_registry_key(pipes_struct *p, POLICY_HND *hnd)
 175 {
 176         REGISTRY_KEY *regkey = find_regkey_index_by_hnd(p, hnd);
 177
 178         if ( !regkey ) {
 179                 DEBUG(2,("close_registry_key: Invalid handle (%s:%u:%u)\n", OUR_HANDLE(hnd)));
 180                 return False;
 181         }
 182
 183         close_policy_hnd(p, hnd);
 184
 185         return True;
 186 }
 187
 188 /********************************************************************
 189  retrieve information about the subkeys
 190  *******************************************************************/
 191
 192 static BOOL get_subkey_information( REGISTRY_KEY *key, uint32 *maxnum, uint32 *maxlen )
 193 {
 194         int             num_subkeys, i;
 195         uint32          max_len;
 196         REGSUBKEY_CTR   subkeys;
 197         uint32          len;
 198
 199         if ( !key )
 200                 return False;
 201
 202         ZERO_STRUCTP( &subkeys );
 203
 204         regsubkey_ctr_init( &subkeys );
 205
 206         if ( fetch_reg_keys( key, &subkeys ) == -1 )
 207                 return False;
 208
 209         /* find the longest string */
 210
 211         max_len = 0;
 212         num_subkeys = regsubkey_ctr_numkeys( &subkeys );
 213
 214         for ( i=0; i<num_subkeys; i++ ) {
 215                 len = strlen( regsubkey_ctr_specific_key(&subkeys, i) );
 216                 max_len = MAX(max_len, len);
 217         }
 218
 219         *maxnum = num_subkeys;
 220         *maxlen = max_len*2;
 221
 222         regsubkey_ctr_destroy( &subkeys );
 223
 224         return True;
 225 }
 226
 227 /********************************************************************
 228  retrieve information about the values.  We don't store values
 229  here.  The registry tdb is intended to be a frontend to oether
 230  Samba tdb's (such as ntdrivers.tdb).
 231  *******************************************************************/
 232
 233 static BOOL get_value_information( REGISTRY_KEY *key, uint32 *maxnum,
 234                                     uint32 *maxlen, uint32 *maxsize )
 235 {
 236         REGVAL_CTR      values;
 237         REGISTRY_VALUE  *val;
 238         uint32          sizemax, lenmax;
 239         int             i, num_values;
 240
 241         if ( !key )
 242                 return False;
 243
 244
 245         ZERO_STRUCTP( &values );
 246
 247         regval_ctr_init( &values );
 248
 249         if ( fetch_reg_values( key, &values ) == -1 )
 250                 return False;
 251
 252         lenmax = sizemax = 0;
 253         num_values = regval_ctr_numvals( &values );
 254
 255         val = regval_ctr_specific_value( &values, 0 );
 256
 257         for ( i=0; i<num_values && val; i++ )
 258         {
 259                 lenmax  = MAX(lenmax,  strlen(val->valuename)+1 );
 260                 sizemax = MAX(sizemax, val->size );
 261
 262                 val = regval_ctr_specific_value( &values, i );
 263         }
 264
 265         *maxnum   = num_values;
 266         *maxlen   = lenmax;
 267         *maxsize  = sizemax;
 268
 269         regval_ctr_destroy( &values );
 270
 271         return True;
 272 }
 273
 274
 275 /********************************************************************
 276  reg_close
 277  ********************************************************************/
 278
 279 NTSTATUS _reg_close(pipes_struct *p, REG_Q_CLOSE *q_u, REG_R_CLOSE *r_u)
 280 {
 281         /* set up the REG unknown_1 response */
 282         ZERO_STRUCT(r_u->pol);
 283
 284         /* close the policy handle */
 285         if (!close_registry_key(p, &q_u->pol))
 286                 return NT_STATUS_OBJECT_NAME_INVALID;
 287
 288         return NT_STATUS_OK;
 289 }
 290
 291 /*******************************************************************
 292  ********************************************************************/
 293
 294 NTSTATUS _reg_open_hklm(pipes_struct *p, REG_Q_OPEN_HKLM *q_u, REG_R_OPEN_HKLM *r_u)
 295 {
 296         return open_registry_key( p, &r_u->pol, NULL, KEY_HKLM, 0x0 );
 297 }
 298
 299 /*******************************************************************
 300  ********************************************************************/
 301
 302 NTSTATUS _reg_open_hkcr(pipes_struct *p, REG_Q_OPEN_HKCR *q_u, REG_R_OPEN_HKCR *r_u)
 303 {
 304         return open_registry_key( p, &r_u->pol, NULL, KEY_HKCR, 0x0 );
 305 }
 306
 307 /*******************************************************************
 308  ********************************************************************/
 309
 310 NTSTATUS _reg_open_hku(pipes_struct *p, REG_Q_OPEN_HKU *q_u, REG_R_OPEN_HKU *r_u)
 311 {
 312         return open_registry_key( p, &r_u->pol, NULL, KEY_HKU, 0x0 );
 313 }
 314
 315 /*******************************************************************
 316  reg_reply_open_entry
 317  ********************************************************************/
 318
 319 NTSTATUS _reg_open_entry(pipes_struct *p, REG_Q_OPEN_ENTRY *q_u, REG_R_OPEN_ENTRY *r_u)
 320 {
 321         POLICY_HND pol;
 322         fstring name;
 323         REGISTRY_KEY *key = find_regkey_index_by_hnd(p, &q_u->pol);
 324         NTSTATUS result;
 325
 326         DEBUG(5,("reg_open_entry: Enter\n"));
 327
 328         if ( !key )
 329                 return NT_STATUS_INVALID_HANDLE;
 330
 331         rpcstr_pull(name,q_u->uni_name.buffer,sizeof(name),q_u->uni_name.uni_str_len*2,0);
 332
 333         result = open_registry_key( p, &pol, key, name, 0x0 );
 334
 335         init_reg_r_open_entry( r_u, &pol, result );
 336
 337         DEBUG(5,("reg_open_entry: Exit\n"));
 338
 339         return r_u->status;
 340 }
 341
 342 /*******************************************************************
 343  reg_reply_info
 344  ********************************************************************/
 345
 346 NTSTATUS _reg_info(pipes_struct *p, REG_Q_INFO *q_u, REG_R_INFO *r_u)
 347 {
 348         NTSTATUS                status = NT_STATUS_NO_SUCH_FILE;
 349         fstring                 name;
 350         const char              *value_ascii = "";
 351         fstring                 value;
 352         int                     value_length;
 353         REGISTRY_KEY            *regkey = find_regkey_index_by_hnd( p, &q_u->pol );
 354         REGISTRY_VALUE          *val = NULL;
 355         REGVAL_CTR              regvals;
 356         int                     i;
 357
 358         DEBUG(5,("_reg_info: Enter\n"));
 359
 360         if ( !regkey )
 361                 return NT_STATUS_INVALID_HANDLE;
 362
 363         DEBUG(7,("_reg_info: policy key name = [%s]\n", regkey->name));
 364
 365         rpcstr_pull(name, q_u->uni_type.buffer, sizeof(name), q_u->uni_type.uni_str_len*2, 0);
 366
 367         DEBUG(5,("reg_info: looking up value: [%s]\n", name));
 368
 369         ZERO_STRUCTP( &regvals );
 370
 371         regval_ctr_init( &regvals );
 372
 373         /* couple of hard coded registry values */
 374
 375         if ( strequal(name, "RefusePasswordChange") ) {
 376                 if ( (val = (REGISTRY_VALUE*)malloc(sizeof(REGISTRY_VALUE))) == NULL ) {
 377                         DEBUG(0,("_reg_info: malloc() failed!\n"));
 378                         return NT_STATUS_NO_MEMORY;
 379                 }
 380                 ZERO_STRUCTP( val );
 381
 382                 goto out;
 383         }
 384
 385         if ( strequal(name, REGSTR_PRODUCTTYPE) ) {
 386                 /* This makes the server look like a member server to clients */
 387                 /* which tells clients that we have our own local user and    */
 388                 /* group databases and helps with ACL support.                */
 389
 390                 switch (lp_server_role()) {
 391                         case ROLE_DOMAIN_PDC:
 392                         case ROLE_DOMAIN_BDC:
 393                                 value_ascii = REG_PT_LANMANNT;
 394                                 break;
 395                         case ROLE_STANDALONE:
 396                                 value_ascii = REG_PT_SERVERNT;
 397                                 break;
 398                         case ROLE_DOMAIN_MEMBER:
 399                                 value_ascii = REG_PT_WINNT;
 400                                 break;
 401                 }
 402                 value_length = push_ucs2(value, value, value_ascii,
 403                                          sizeof(value),
 404                                          STR_TERMINATE|STR_NOALIGN);
 405                 regval_ctr_addvalue(&regvals, REGSTR_PRODUCTTYPE, REG_SZ,
 406                                     value, value_length);
 407
 408                 val = dup_registry_value( regval_ctr_specific_value( &regvals, 0 ) );
 409
 410                 status = NT_STATUS_OK;
 411
 412                 goto out;
 413         }
 414
 415         /* else fall back to actually looking up the value */
 416
 417         for ( i=0; fetch_reg_values_specific(regkey, &val, i); i++ )
 418         {
 419                 DEBUG(10,("_reg_info: Testing value [%s]\n", val->valuename));
 420                 if ( StrCaseCmp( val->valuename, name ) == 0 ) {
 421                         DEBUG(10,("_reg_info: Found match for value [%s]\n", name));
 422                         status = NT_STATUS_OK;
 423                         break;
 424                 }
 425
 426                 free_registry_value( val );
 427         }
 428
 429
 430 out:
 431         new_init_reg_r_info(q_u->ptr_buf, r_u, val, status);
 432
 433         regval_ctr_destroy( &regvals );
 434         free_registry_value( val );
 435
 436         DEBUG(5,("_reg_info: Exit\n"));
 437
 438         return status;
 439 }
 440
 441
 442 /*****************************************************************************
 443  Implementation of REG_QUERY_KEY
 444  ****************************************************************************/
 445
 446 NTSTATUS _reg_query_key(pipes_struct *p, REG_Q_QUERY_KEY *q_u, REG_R_QUERY_KEY *r_u)
 447 {
 448         NTSTATUS        status = NT_STATUS_OK;
 449         REGISTRY_KEY    *regkey = find_regkey_index_by_hnd( p, &q_u->pol );
 450
 451         DEBUG(5,("_reg_query_key: Enter\n"));
 452
 453         if ( !regkey )
 454                 return NT_STATUS_INVALID_HANDLE;
 455
 456         if ( !get_subkey_information( regkey, &r_u->num_subkeys, &r_u->max_subkeylen ) )
 457                 return NT_STATUS_ACCESS_DENIED;
 458
 459         if ( !get_value_information( regkey, &r_u->num_values, &r_u->max_valnamelen, &r_u->max_valbufsize ) )
 460                 return NT_STATUS_ACCESS_DENIED;
 461
 462
 463         r_u->sec_desc = 0x00000078;     /* size for key's sec_desc */
 464
 465         /* Win9x set this to 0x0 since it does not keep timestamps.
 466            Doing the same here for simplicity   --jerry */
 467
 468         ZERO_STRUCT(r_u->mod_time);
 469
 470         DEBUG(5,("_reg_query_key: Exit\n"));
 471
 472         return status;
 473 }
 474
 475
 476 /*****************************************************************************
 477  Implementation of REG_UNKNOWN_1A
 478  ****************************************************************************/
 479
 480 NTSTATUS _reg_unknown_1a(pipes_struct *p, REG_Q_UNKNOWN_1A *q_u, REG_R_UNKNOWN_1A *r_u)
 481 {
 482         NTSTATUS        status = NT_STATUS_OK;
 483         REGISTRY_KEY    *regkey = find_regkey_index_by_hnd( p, &q_u->pol );
 484
 485         DEBUG(5,("_reg_unknown_1a: Enter\n"));
 486
 487         if ( !regkey )
 488                 return NT_STATUS_INVALID_HANDLE;
 489
 490         r_u->unknown = 0x00000005;      /* seems to be consistent...no idea what it means */
 491
 492         DEBUG(5,("_reg_unknown_1a: Exit\n"));
 493
 494         return status;
 495 }
 496
 497
 498 /*****************************************************************************
 499  Implementation of REG_ENUM_KEY
 500  ****************************************************************************/
 501
 502 NTSTATUS _reg_enum_key(pipes_struct *p, REG_Q_ENUM_KEY *q_u, REG_R_ENUM_KEY *r_u)
 503 {
 504         NTSTATUS        status = NT_STATUS_OK;
 505         REGISTRY_KEY    *regkey = find_regkey_index_by_hnd( p, &q_u->pol );
 506         char            *subkey = NULL;
 507
 508
 509         DEBUG(5,("_reg_enum_key: Enter\n"));
 510
 511         if ( !regkey )
 512                 return NT_STATUS_INVALID_HANDLE;
 513
 514         DEBUG(8,("_reg_enum_key: enumerating key [%s]\n", regkey->name));
 515
 516         if ( !fetch_reg_keys_specific( regkey, &subkey, q_u->key_index ) )
 517         {
 518                 status = NT_STATUS_NO_MORE_ENTRIES;
 519                 goto done;
 520         }
 521
 522         DEBUG(10,("_reg_enum_key: retrieved subkey named [%s]\n", subkey));
 523
 524         /* subkey has the string name now */
 525
 526         init_reg_r_enum_key( r_u, subkey, q_u->unknown_1, q_u->unknown_2 );
 527
 528         DEBUG(5,("_reg_enum_key: Exit\n"));
 529
 530 done:
 531         SAFE_FREE( subkey );
 532         return status;
 533 }
 534
 535 /*****************************************************************************
 536  Implementation of REG_ENUM_VALUE
 537  ****************************************************************************/
 538
 539 NTSTATUS _reg_enum_value(pipes_struct *p, REG_Q_ENUM_VALUE *q_u, REG_R_ENUM_VALUE *r_u)
 540 {
 541         NTSTATUS        status = NT_STATUS_OK;
 542         REGISTRY_KEY    *regkey = find_regkey_index_by_hnd( p, &q_u->pol );
 543         REGISTRY_VALUE  *val;
 544
 545
 546         DEBUG(5,("_reg_enum_value: Enter\n"));
 547
 548         if ( !regkey )
 549                 return NT_STATUS_INVALID_HANDLE;
 550
 551         DEBUG(8,("_reg_enum_key: enumerating values for key [%s]\n", regkey->name));
 552
 553         if ( !fetch_reg_values_specific( regkey, &val, q_u->val_index ) )
 554         {
 555                 status = NT_STATUS_NO_MORE_ENTRIES;
 556                 goto done;
 557         }
 558
 559         DEBUG(10,("_reg_enum_value: retrieved value named  [%s]\n", val->valuename));
 560
 561         /* subkey has the string name now */
 562
 563         init_reg_r_enum_val( r_u, val );
 564
 565
 566         DEBUG(5,("_reg_enum_value: Exit\n"));
 567
 568 done:
 569         free_registry_value( val );
 570
 571         return status;
 572 }
 573
 574
 575 /*******************************************************************
 576  reg_shutdwon
 577  ********************************************************************/
 578
 579 #define SHUTDOWN_R_STRING "-r"
 580 #define SHUTDOWN_F_STRING "-f"
 581
 582
 583 NTSTATUS _reg_shutdown(pipes_struct *p, REG_Q_SHUTDOWN *q_u, REG_R_SHUTDOWN *r_u)
 584 {
 585         NTSTATUS status = NT_STATUS_OK;
 586         pstring shutdown_script;
 587         UNISTR2 unimsg = q_u->uni_msg;
 588         pstring message;
 589         pstring chkmsg;
 590         fstring timeout;
 591         fstring r;
 592         fstring f;
 593
 594         /* message */
 595         rpcstr_pull (message, unimsg.buffer, sizeof(message), unimsg.uni_str_len*2,0);
 596                 /* security check */
 597         alpha_strcpy (chkmsg, message, NULL, sizeof(message));
 598         /* timeout */
 599         fstr_sprintf(timeout, "%d", q_u->timeout);
 600         /* reboot */
 601         fstr_sprintf(r, (q_u->reboot) ? SHUTDOWN_R_STRING : "");
 602         /* force */
 603         fstr_sprintf(f, (q_u->force) ? SHUTDOWN_F_STRING : "");
 604
 605         pstrcpy(shutdown_script, lp_shutdown_script());
 606
 607         if(*shutdown_script) {
 608                 int shutdown_ret;
 609                 all_string_sub(shutdown_script, "%m", chkmsg, sizeof(shutdown_script));
 610                 all_string_sub(shutdown_script, "%t", timeout, sizeof(shutdown_script));
 611                 all_string_sub(shutdown_script, "%r", r, sizeof(shutdown_script));
 612                 all_string_sub(shutdown_script, "%f", f, sizeof(shutdown_script));
 613                 shutdown_ret = smbrun(shutdown_script,NULL);
 614                 DEBUG(3,("_reg_shutdown: Running the command `%s' gave %d\n",shutdown_script,shutdown_ret));
 615         }
 616
 617         return status;
 618 }
 619
 620 /*******************************************************************
 621  reg_abort_shutdwon
 622  ********************************************************************/
 623
 624 NTSTATUS _reg_abort_shutdown(pipes_struct *p, REG_Q_ABORT_SHUTDOWN *q_u, REG_R_ABORT_SHUTDOWN *r_u)
 625 {
 626         NTSTATUS status = NT_STATUS_OK;
 627         pstring abort_shutdown_script;
 628
 629         pstrcpy(abort_shutdown_script, lp_abort_shutdown_script());
 630
 631         if(*abort_shutdown_script) {
 632                 int abort_shutdown_ret;
 633                 abort_shutdown_ret = smbrun(abort_shutdown_script,NULL);
 634                 DEBUG(3,("_reg_abort_shutdown: Running the command `%s' gave %d\n",abort_shutdown_script,abort_shutdown_ret));
 635         }
 636
 637         return status;
 638 }
 639
 640 /*******************************************************************
 641  REG_SAVE_KEY (0x14)
 642  ********************************************************************/
 643
 644 NTSTATUS _reg_save_key(pipes_struct *p, REG_Q_SAVE_KEY  *q_u, REG_R_SAVE_KEY *r_u)
 645 {
 646         REGISTRY_KEY    *regkey = find_regkey_index_by_hnd( p, &q_u->pol );
 647
 648         DEBUG(5,("_reg_save_key: Enter\n"));
 649
 650         /*
 651          * basically this is a no op function which just gverifies
 652          * that the client gave us a valid registry key handle
 653          */
 654
 655         if ( !regkey )
 656                 return NT_STATUS_INVALID_HANDLE;
 657
 658         DEBUG(8,("_reg_save_key: berifying backup of key [%s]\n", regkey->name));
 659
 660
 661         return NT_STATUS_OK;
 662 }
 663
 664