src/WINNT/afsrdr/kernel/lib/AFSFileInfo.cpp

   1 /*
   2  * Copyright (c) 2008, 2009, 2010, 2011 Kernel Drivers, LLC.
   3  * Copyright (c) 2009, 2010, 2011 Your File System, Inc.
   4  * All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  *
  10  * - Redistributions of source code must retain the above copyright notice,
  11  *   this list of conditions and the following disclaimer.
  12  * - Redistributions in binary form must reproduce the above copyright
  13  *   notice,
  14  *   this list of conditions and the following disclaimer in the
  15  *   documentation
  16  *   and/or other materials provided with the distribution.
  17  * - Neither the names of Kernel Drivers, LLC and Your File System, Inc.
  18  *   nor the names of their contributors may be used to endorse or promote
  19  *   products derived from this software without specific prior written
  20  *   permission from Kernel Drivers, LLC and Your File System, Inc.
  21  *
  22  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  23  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  24  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
  25  * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
  26  * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  27  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  28  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  29  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  30  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  31  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  32  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  33  */
  34
  35 //
  36 // File: AFSFileInfo.cpp
  37 //
  38
  39 #include "AFSCommon.h"
  40
  41 //
  42 // Function: AFSQueryFileInfo
  43 //
  44 // Description:
  45 //
  46 //      This function is the dispatch handler for the IRP_MJ_QUERY_FILE_INFORMATION request
  47 //
  48 // Return:
  49 //
  50 //      A status is returned for the function
  51 //
  52
  53 NTSTATUS
  54 AFSQueryFileInfo( IN PDEVICE_OBJECT LibDeviceObject,
  55                   IN PIRP Irp)
  56 {
  57
  58     UNREFERENCED_PARAMETER(LibDeviceObject);
  59     NTSTATUS ntStatus = STATUS_SUCCESS;
  60     IO_STACK_LOCATION *pIrpSp = IoGetCurrentIrpStackLocation( Irp);
  61     AFSFcb *pFcb = NULL;
  62     AFSCcb *pCcb = NULL;
  63     BOOLEAN bReleaseMain = FALSE;
  64     LONG lLength = 0;
  65     FILE_INFORMATION_CLASS stFileInformationClass;
  66     GUID stAuthGroup;
  67     PVOID pBuffer;
  68
  69     __try
  70     {
  71
  72         //
  73         // Determine the type of request this request is
  74         //
  75
  76         pFcb = (AFSFcb *)pIrpSp->FileObject->FsContext;
  77
  78         pCcb = (AFSCcb *)pIrpSp->FileObject->FsContext2;
  79
  80         if( pFcb == NULL)
  81         {
  82
  83             AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
  84                           AFS_TRACE_LEVEL_ERROR,
  85                           "AFSQueryFileInfo Attempted access (%p) when pFcb == NULL\n",
  86                           Irp));
  87
  88             try_return( ntStatus = STATUS_INVALID_DEVICE_REQUEST);
  89         }
  90
  91         lLength = (LONG)pIrpSp->Parameters.QueryFile.Length;
  92         stFileInformationClass = pIrpSp->Parameters.QueryFile.FileInformationClass;
  93         pBuffer = Irp->AssociatedIrp.SystemBuffer;
  94
  95         if ( BooleanFlagOn( pFcb->ObjectInformation->Flags, AFS_OBJECT_FLAGS_VERIFY))
  96         {
  97
  98             RtlZeroMemory( &stAuthGroup,
  99                            sizeof( GUID));
 100
 101             AFSRetrieveAuthGroupFnc( (ULONGLONG)PsGetCurrentProcessId(),
 102                                      (ULONGLONG)PsGetCurrentThreadId(),
 103                                      &stAuthGroup);
 104
 105             ntStatus = AFSVerifyEntry( &stAuthGroup,
 106                                        pCcb->DirectoryCB);
 107
 108             if ( NT_SUCCESS( ntStatus))
 109             {
 110
 111                 ClearFlag( pFcb->ObjectInformation->Flags, AFS_OBJECT_FLAGS_VERIFY);
 112             }
 113             else
 114             {
 115
 116                 ntStatus = STATUS_SUCCESS;
 117             }
 118         }
 119
 120         //
 121         // Grab the main shared right off the bat
 122         //
 123
 124         AFSDbgTrace(( AFS_SUBSYSTEM_LOCK_PROCESSING,
 125                       AFS_TRACE_LEVEL_VERBOSE,
 126                       "AFSQueryFileInfo Acquiring Fcb lock %p SHARED %08lX\n",
 127                       &pFcb->NPFcb->Resource,
 128                       PsGetCurrentThread()));
 129
 130         AFSAcquireShared( &pFcb->NPFcb->Resource,
 131                           TRUE);
 132
 133         bReleaseMain = TRUE;
 134
 135         //
 136         // Don't allow requests against IOCtl nodes
 137         //
 138
 139         if( pFcb->Header.NodeTypeCode == AFS_SPECIAL_SHARE_FCB)
 140         {
 141
 142             AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
 143                           AFS_TRACE_LEVEL_VERBOSE,
 144                           "AFSQueryFileInfo Processing request against SpecialShare Fcb\n"));
 145
 146             ntStatus = AFSProcessShareQueryInfo( Irp,
 147                                                  pFcb,
 148                                                  pCcb);
 149
 150             try_return( ntStatus);
 151         }
 152         else if( pFcb->Header.NodeTypeCode == AFS_IOCTL_FCB)
 153         {
 154             AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
 155                           AFS_TRACE_LEVEL_VERBOSE,
 156                           "AFSQueryFileInfo request against PIOCtl Fcb\n"));
 157
 158             ntStatus = AFSProcessPIOCtlQueryInfo( Irp,
 159                                                   pFcb,
 160                                                   pCcb,
 161                                                   &lLength);
 162
 163             try_return( ntStatus);
 164         }
 165
 166         else if( pFcb->Header.NodeTypeCode == AFS_INVALID_FCB)
 167         {
 168             AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
 169                           AFS_TRACE_LEVEL_VERBOSE,
 170                           "AFSQueryFileInfo request against Invalid Fcb\n"));
 171
 172             try_return( ntStatus = STATUS_ACCESS_DENIED);
 173         }
 174
 175         //
 176         // Process the request
 177         //
 178
 179         switch( stFileInformationClass)
 180         {
 181
 182             case FileAllInformation:
 183             {
 184
 185                 PFILE_ALL_INFORMATION pAllInfo;
 186
 187                 //
 188                 //  For the all information class we'll typecast a local
 189                 //  pointer to the output buffer and then call the
 190                 //  individual routines to fill in the buffer.
 191                 //
 192
 193                 pAllInfo = (PFILE_ALL_INFORMATION)pBuffer;
 194
 195                 ntStatus = AFSQueryBasicInfo( Irp,
 196                                               pCcb->DirectoryCB,
 197                                               &pAllInfo->BasicInformation,
 198                                               &lLength);
 199
 200                 if( !NT_SUCCESS( ntStatus))
 201                 {
 202
 203                     try_return( ntStatus);
 204                 }
 205
 206                 ntStatus = AFSQueryStandardInfo( Irp,
 207                                                  pCcb->DirectoryCB,
 208                                                  &pAllInfo->StandardInformation,
 209                                                  &lLength);
 210
 211                 if( !NT_SUCCESS( ntStatus))
 212                 {
 213
 214                     try_return( ntStatus);
 215                 }
 216
 217                 ntStatus = AFSQueryInternalInfo( Irp,
 218                                                  pFcb,
 219                                                  &pAllInfo->InternalInformation,
 220                                                  &lLength);
 221
 222                 if( !NT_SUCCESS( ntStatus))
 223                 {
 224
 225                     try_return( ntStatus);
 226                 }
 227
 228                 ntStatus = AFSQueryEaInfo( Irp,
 229                                            pCcb->DirectoryCB,
 230                                            &pAllInfo->EaInformation,
 231                                            &lLength);
 232
 233                 if( !NT_SUCCESS( ntStatus))
 234                 {
 235
 236                     try_return( ntStatus);
 237                 }
 238
 239                 ntStatus = AFSQueryAccess( Irp,
 240                                            pFcb,
 241                                            &pAllInfo->AccessInformation,
 242                                            &lLength);
 243
 244                 if( !NT_SUCCESS( ntStatus))
 245                 {
 246
 247                     try_return( ntStatus);
 248                 }
 249
 250                 ntStatus = AFSQueryPositionInfo( Irp,
 251                                                  pFcb,
 252                                                  &pAllInfo->PositionInformation,
 253                                                  &lLength);
 254
 255                 if( !NT_SUCCESS( ntStatus))
 256                 {
 257
 258                     try_return( ntStatus);
 259                 }
 260
 261                 ntStatus = AFSQueryMode( Irp,
 262                                          pFcb,
 263                                          &pAllInfo->ModeInformation,
 264                                          &lLength);
 265
 266                 if( !NT_SUCCESS( ntStatus))
 267                 {
 268
 269                     try_return( ntStatus);
 270                 }
 271
 272                 ntStatus = AFSQueryAlignment( Irp,
 273                                               pFcb,
 274                                               &pAllInfo->AlignmentInformation,
 275                                               &lLength);
 276
 277                 if( !NT_SUCCESS( ntStatus))
 278                 {
 279
 280                     try_return( ntStatus);
 281                 }
 282
 283                 ntStatus = AFSQueryNameInfo( Irp,
 284                                              pCcb->DirectoryCB,
 285                                              &pAllInfo->NameInformation,
 286                                              &lLength);
 287
 288                 if( !NT_SUCCESS( ntStatus))
 289                 {
 290
 291                     try_return( ntStatus);
 292                 }
 293
 294                 break;
 295             }
 296
 297             case FileBasicInformation:
 298             {
 299
 300                 ntStatus = AFSQueryBasicInfo( Irp,
 301                                               pCcb->DirectoryCB,
 302                                               (PFILE_BASIC_INFORMATION)pBuffer,
 303                                               &lLength);
 304
 305                 break;
 306             }
 307
 308             case FileStandardInformation:
 309             {
 310
 311                 ntStatus = AFSQueryStandardInfo( Irp,
 312                                                  pCcb->DirectoryCB,
 313                                                  (PFILE_STANDARD_INFORMATION)pBuffer,
 314                                                  &lLength);
 315
 316                 break;
 317             }
 318
 319             case FileInternalInformation:
 320             {
 321
 322                 ntStatus = AFSQueryInternalInfo( Irp,
 323                                                  pFcb,
 324                                                  (PFILE_INTERNAL_INFORMATION)pBuffer,
 325                                                  &lLength);
 326
 327                 break;
 328             }
 329
 330             case FileEaInformation:
 331             {
 332
 333                 ntStatus = AFSQueryEaInfo( Irp,
 334                                            pCcb->DirectoryCB,
 335                                            (PFILE_EA_INFORMATION)pBuffer,
 336                                            &lLength);
 337
 338                 break;
 339             }
 340
 341             case FilePositionInformation:
 342             {
 343
 344                 ntStatus = AFSQueryPositionInfo( Irp,
 345                                       pFcb,
 346                                       (PFILE_POSITION_INFORMATION)pBuffer,
 347                                       &lLength);
 348
 349                 break;
 350             }
 351
 352             case FileNormalizedNameInformation:
 353             case FileNameInformation:
 354             {
 355
 356                 ntStatus = AFSQueryNameInfo( Irp,
 357                                   pCcb->DirectoryCB,
 358                                   (PFILE_NAME_INFORMATION)pBuffer,
 359                                   &lLength);
 360
 361                 break;
 362             }
 363
 364             case FileAlternateNameInformation:
 365             {
 366
 367                 ntStatus = AFSQueryShortNameInfo( Irp,
 368                                        pCcb->DirectoryCB,
 369                                        (PFILE_NAME_INFORMATION)pBuffer,
 370                                        &lLength);
 371
 372                 break;
 373             }
 374
 375             case FileNetworkOpenInformation:
 376             {
 377
 378                 ntStatus = AFSQueryNetworkInfo( Irp,
 379                                      pCcb->DirectoryCB,
 380                                      (PFILE_NETWORK_OPEN_INFORMATION)pBuffer,
 381                                      &lLength);
 382
 383                 break;
 384             }
 385
 386             case FileStreamInformation:
 387             {
 388
 389                 ntStatus = AFSQueryStreamInfo( Irp,
 390                                                pCcb->DirectoryCB,
 391                                                (FILE_STREAM_INFORMATION *)pBuffer,
 392                                                &lLength);
 393
 394                 break;
 395             }
 396
 397
 398             case FileAttributeTagInformation:
 399             {
 400
 401                 ntStatus = AFSQueryAttribTagInfo( Irp,
 402                                                   pCcb->DirectoryCB,
 403                                                   (FILE_ATTRIBUTE_TAG_INFORMATION *)pBuffer,
 404                                                   &lLength);
 405
 406                 break;
 407             }
 408
 409             case FileRemoteProtocolInformation:
 410             {
 411
 412                     ntStatus = AFSQueryRemoteProtocolInfo( Irp,
 413                                                            pCcb->DirectoryCB,
 414                                                            (FILE_REMOTE_PROTOCOL_INFORMATION *)pBuffer,
 415                                                            &lLength);
 416
 417                 break;
 418             }
 419
 420             case FileNetworkPhysicalNameInformation:
 421             {
 422
 423                 ntStatus = AFSQueryPhysicalNameInfo( Irp,
 424                                                      pCcb->DirectoryCB,
 425                                                      (FILE_NETWORK_PHYSICAL_NAME_INFORMATION *)pBuffer,
 426                                                      &lLength);
 427
 428                 break;
 429             }
 430
 431             default:
 432             {
 433                 ntStatus = STATUS_INVALID_PARAMETER;
 434                 break;
 435             }
 436         }
 437
 438 try_exit:
 439
 440         Irp->IoStatus.Information = pIrpSp->Parameters.QueryFile.Length - lLength;
 441
 442         if( bReleaseMain)
 443         {
 444
 445             AFSReleaseResource( &pFcb->NPFcb->Resource);
 446         }
 447
 448         if( !NT_SUCCESS( ntStatus) &&
 449             ntStatus != STATUS_INVALID_PARAMETER &&
 450             ntStatus != STATUS_BUFFER_OVERFLOW)
 451         {
 452
 453             if( pCcb != NULL &&
 454                 pCcb->DirectoryCB != NULL)
 455             {
 456
 457                 AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
 458                               AFS_TRACE_LEVEL_ERROR,
 459                               "AFSQueryFileInfo Failed to process request for %wZ FID %08lX-%08lX-%08lX-%08lX Status %08lX\n",
 460                               &pCcb->DirectoryCB->NameInformation.FileName,
 461                               pFcb->ObjectInformation->FileId.Cell,
 462                               pFcb->ObjectInformation->FileId.Volume,
 463                               pFcb->ObjectInformation->FileId.Vnode,
 464                               pFcb->ObjectInformation->FileId.Unique,
 465                               ntStatus));
 466             }
 467         }
 468     }
 469     __except( AFSExceptionFilter( __FUNCTION__, GetExceptionCode(), GetExceptionInformation()) )
 470     {
 471
 472         AFSDbgTrace(( 0,
 473                       0,
 474                       "EXCEPTION - AFSQueryFileInfo\n"));
 475
 476         AFSDumpTraceFilesFnc();
 477
 478         ntStatus = STATUS_UNSUCCESSFUL;
 479
 480         if( bReleaseMain)
 481         {
 482
 483             AFSReleaseResource( &pFcb->NPFcb->Resource);
 484         }
 485     }
 486
 487     AFSCompleteRequest( Irp,
 488                         ntStatus);
 489
 490     return ntStatus;
 491 }
 492
 493 //
 494 // Function: AFSSetFileInfo
 495 //
 496 // Description:
 497 //
 498 //      This function is the dispatch handler for the IRP_MJ_SET_FILE_INFORMATION request
 499 //
 500 // Return:
 501 //
 502 //      A status is returned for the function
 503 //
 504
 505 NTSTATUS
 506 AFSSetFileInfo( IN PDEVICE_OBJECT LibDeviceObject,
 507                 IN PIRP Irp)
 508 {
 509
 510     UNREFERENCED_PARAMETER(LibDeviceObject);
 511     NTSTATUS ntStatus = STATUS_SUCCESS;
 512     IO_STACK_LOCATION *pIrpSp = IoGetCurrentIrpStackLocation( Irp);
 513     AFSFcb *pFcb = NULL;
 514     AFSCcb *pCcb = NULL;
 515     FILE_INFORMATION_CLASS FileInformationClass;
 516     BOOLEAN bCanQueueRequest = FALSE;
 517     PFILE_OBJECT pFileObject = NULL;
 518     BOOLEAN bReleaseMain = FALSE;
 519     BOOLEAN bUpdateFileInfo = FALSE;
 520     AFSFileID stParentFileId;
 521
 522     __try
 523     {
 524
 525         pFileObject = pIrpSp->FileObject;
 526
 527         pFcb = (AFSFcb *)pFileObject->FsContext;
 528         pCcb = (AFSCcb *)pFileObject->FsContext2;
 529
 530         if( pFcb == NULL)
 531         {
 532
 533             AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
 534                           AFS_TRACE_LEVEL_ERROR,
 535                           "AFSSetFileInfo Attempted access (%p) when pFcb == NULL\n",
 536                           Irp));
 537
 538             try_return( ntStatus = STATUS_INVALID_DEVICE_REQUEST);
 539         }
 540
 541         bCanQueueRequest = !(IoIsOperationSynchronous( Irp) | (KeGetCurrentIrql() != PASSIVE_LEVEL));
 542         FileInformationClass = pIrpSp->Parameters.SetFile.FileInformationClass;
 543
 544         //
 545         // Grab the Fcb EXCL
 546         //
 547
 548         AFSDbgTrace(( AFS_SUBSYSTEM_LOCK_PROCESSING,
 549                       AFS_TRACE_LEVEL_VERBOSE,
 550                       "AFSSetFileInfo Acquiring Fcb lock %p EXCL %08lX\n",
 551                       &pFcb->NPFcb->Resource,
 552                       PsGetCurrentThread()));
 553
 554         AFSAcquireExcl( &pFcb->NPFcb->Resource,
 555                         TRUE);
 556
 557         bReleaseMain = TRUE;
 558
 559         //
 560         // Don't allow requests against IOCtl nodes
 561         //
 562
 563         if( pFcb->Header.NodeTypeCode == AFS_IOCTL_FCB)
 564         {
 565
 566             AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
 567                           AFS_TRACE_LEVEL_ERROR,
 568                           "AFSSetFileInfo Failing request against PIOCtl Fcb\n"));
 569
 570             try_return( ntStatus = STATUS_INVALID_DEVICE_REQUEST);
 571         }
 572         else if( pFcb->Header.NodeTypeCode == AFS_SPECIAL_SHARE_FCB)
 573         {
 574
 575             AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
 576                           AFS_TRACE_LEVEL_VERBOSE,
 577                           "AFSSetFileInfo Processing request against SpecialShare Fcb\n"));
 578
 579             ntStatus = AFSProcessShareSetInfo( Irp,
 580                                                pFcb,
 581                                                pCcb);
 582
 583             try_return( ntStatus);
 584         }
 585
 586         if( BooleanFlagOn( pFcb->ObjectInformation->VolumeCB->VolumeInformation.FileSystemAttributes, FILE_READ_ONLY_VOLUME))
 587         {
 588
 589             AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
 590                           AFS_TRACE_LEVEL_ERROR,
 591                           "AFSSetFileInfo Request failed due to read only volume\n",
 592                           Irp));
 593
 594             try_return( ntStatus = STATUS_MEDIA_WRITE_PROTECTED);
 595         }
 596
 597         if( pFcb->Header.NodeTypeCode == AFS_INVALID_FCB &&
 598             FileInformationClass != FileDispositionInformation)
 599         {
 600             AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
 601                           AFS_TRACE_LEVEL_VERBOSE,
 602                           "AFSSetFileInfo request against Invalid Fcb\n"));
 603
 604             try_return( ntStatus = STATUS_ACCESS_DENIED);
 605         }
 606
 607         //
 608         // Ensure rename operations are synchronous
 609         //
 610
 611         if( FileInformationClass == FileRenameInformation)
 612         {
 613
 614             bCanQueueRequest = FALSE;
 615         }
 616
 617         //
 618         // Store away the parent fid
 619         //
 620
 621         RtlZeroMemory( &stParentFileId,
 622                        sizeof( AFSFileID));
 623
 624         if( BooleanFlagOn( pFcb->ObjectInformation->Flags, AFS_OBJECT_FLAGS_PARENT_FID))
 625         {
 626
 627             stParentFileId = pFcb->ObjectInformation->ParentFileId;
 628         }
 629
 630         //
 631         // Process the request
 632         //
 633
 634         switch( FileInformationClass)
 635         {
 636
 637             case FileBasicInformation:
 638             {
 639
 640                 bUpdateFileInfo = TRUE;
 641
 642                 ntStatus = AFSSetBasicInfo( Irp,
 643                                             pCcb->DirectoryCB);
 644
 645                 break;
 646             }
 647
 648             case FileDispositionInformation:
 649             {
 650
 651                 ntStatus = AFSSetDispositionInfo( Irp,
 652                                                   pCcb->DirectoryCB);
 653
 654                 break;
 655             }
 656
 657             case FileRenameInformation:
 658             {
 659
 660                 ntStatus = AFSSetRenameInfo( Irp);
 661
 662                 break;
 663             }
 664
 665             case FilePositionInformation:
 666             {
 667
 668                 ntStatus = AFSSetPositionInfo( Irp,
 669                                                pCcb->DirectoryCB);
 670
 671                 break;
 672             }
 673
 674             case FileLinkInformation:
 675             {
 676
 677                 ntStatus = AFSSetFileLinkInfo( Irp);
 678
 679                 break;
 680             }
 681
 682             case FileAllocationInformation:
 683             {
 684
 685                 ntStatus = AFSSetAllocationInfo( Irp,
 686                                                  pCcb->DirectoryCB);
 687
 688                 break;
 689             }
 690
 691             case FileEndOfFileInformation:
 692             {
 693
 694                 ntStatus = AFSSetEndOfFileInfo( Irp,
 695                                                 pCcb->DirectoryCB);
 696
 697                 break;
 698             }
 699
 700             default:
 701
 702                 ntStatus = STATUS_INVALID_PARAMETER;
 703
 704                 break;
 705         }
 706
 707 try_exit:
 708
 709         if( bReleaseMain)
 710         {
 711
 712             AFSReleaseResource( &pFcb->NPFcb->Resource);
 713         }
 714
 715         if( NT_SUCCESS( ntStatus) &&
 716             bUpdateFileInfo)
 717         {
 718
 719             ntStatus = AFSUpdateFileInformation( &stParentFileId,
 720                                                  pFcb->ObjectInformation,
 721                                                  &pCcb->AuthGroup);
 722
 723             if( !NT_SUCCESS( ntStatus))
 724             {
 725
 726                 AFSAcquireExcl( &pFcb->NPFcb->Resource,
 727                                 TRUE);
 728
 729                 //
 730                 // Unwind the update and fail the request
 731                 //
 732
 733                 AFSUnwindFileInfo( pFcb,
 734                                    pCcb);
 735
 736                 AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
 737                               AFS_TRACE_LEVEL_ERROR,
 738                               "AFSSetFileInfo Failed to send file info update to service request for %wZ FID %08lX-%08lX-%08lX-%08lX Status %08lX\n",
 739                               &pCcb->DirectoryCB->NameInformation.FileName,
 740                               pFcb->ObjectInformation->FileId.Cell,
 741                               pFcb->ObjectInformation->FileId.Volume,
 742                               pFcb->ObjectInformation->FileId.Vnode,
 743                               pFcb->ObjectInformation->FileId.Unique,
 744                               ntStatus));
 745
 746                 AFSReleaseResource( &pFcb->NPFcb->Resource);
 747             }
 748         }
 749
 750         if( !NT_SUCCESS( ntStatus))
 751         {
 752
 753             if( pCcb != NULL &&
 754                 pCcb->DirectoryCB != NULL)
 755             {
 756
 757                 AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
 758                               AFS_TRACE_LEVEL_ERROR,
 759                               "AFSSetFileInfo Failed to process request for %wZ FID %08lX-%08lX-%08lX-%08lX Status %08lX\n",
 760                               &pCcb->DirectoryCB->NameInformation.FileName,
 761                               pFcb->ObjectInformation->FileId.Cell,
 762                               pFcb->ObjectInformation->FileId.Volume,
 763                               pFcb->ObjectInformation->FileId.Vnode,
 764                               pFcb->ObjectInformation->FileId.Unique,
 765                               ntStatus));
 766             }
 767         }
 768     }
 769     __except( AFSExceptionFilter( __FUNCTION__, GetExceptionCode(), GetExceptionInformation()) )
 770     {
 771
 772         AFSDbgTrace(( 0,
 773                       0,
 774                       "EXCEPTION - AFSSetFileInfo\n"));
 775
 776         AFSDumpTraceFilesFnc();
 777
 778         ntStatus = STATUS_UNSUCCESSFUL;
 779
 780         if( bReleaseMain)
 781         {
 782
 783             AFSReleaseResource( &pFcb->NPFcb->Resource);
 784         }
 785     }
 786
 787     AFSCompleteRequest( Irp,
 788                         ntStatus);
 789
 790     return ntStatus;
 791 }
 792
 793 //
 794 // Function: AFSQueryBasicInfo
 795 //
 796 // Description:
 797 //
 798 //      This function is the handler for the query basic information request
 799 //
 800 // Return:
 801 //
 802 //      A status is returned for the function
 803 //
 804
 805 NTSTATUS
 806 AFSQueryBasicInfo( IN PIRP Irp,
 807                    IN AFSDirectoryCB *DirectoryCB,
 808                    IN OUT PFILE_BASIC_INFORMATION Buffer,
 809                    IN OUT PLONG Length)
 810 {
 811     NTSTATUS ntStatus = STATUS_SUCCESS;
 812     AFSDeviceExt *pDeviceExt = (AFSDeviceExt *)AFSRDRDeviceObject->DeviceExtension;
 813     ULONG ulFileAttribs = 0;
 814     AFSFcb *pFcb = NULL;
 815     AFSCcb *pCcb = NULL;
 816     IO_STACK_LOCATION *pIrpSp = IoGetCurrentIrpStackLocation( Irp);
 817     AFSFileInfoCB stFileInfo;
 818     AFSDirectoryCB *pParentDirectoryCB = NULL;
 819     UNICODE_STRING uniParentPath;
 820
 821     if( *Length >= sizeof( FILE_BASIC_INFORMATION))
 822     {
 823
 824         RtlZeroMemory( Buffer,
 825                        *Length);
 826
 827         ulFileAttribs = DirectoryCB->ObjectInformation->FileAttributes;
 828
 829         pFcb = (AFSFcb *)pIrpSp->FileObject->FsContext;
 830         pCcb = (AFSCcb *)pIrpSp->FileObject->FsContext2;
 831
 832         if( DirectoryCB->ObjectInformation->FileType == AFS_FILE_TYPE_SYMLINK)
 833         {
 834
 835             pParentDirectoryCB = AFSGetParentEntry( pCcb->NameArray);
 836
 837             AFSRetrieveParentPath( &pCcb->FullFileName,
 838                                    &uniParentPath);
 839
 840             RtlZeroMemory( &stFileInfo,
 841                            sizeof( AFSFileInfoCB));
 842
 843             //
 844             // Can't hold the Fcb while evaluating the path, leads to lock inversion
 845             //
 846
 847             AFSReleaseResource( &pFcb->NPFcb->Resource);
 848
 849             //
 850             // Its a reparse point regardless of whether the file attributes
 851             // can be retrieved for the target.
 852             //
 853
 854             if ( ulFileAttribs == FILE_ATTRIBUTE_NORMAL)
 855             {
 856
 857                 ulFileAttribs = FILE_ATTRIBUTE_REPARSE_POINT;
 858             }
 859             else
 860             {
 861
 862                 ulFileAttribs |= FILE_ATTRIBUTE_REPARSE_POINT;
 863             }
 864
 865             if( NT_SUCCESS( AFSRetrieveFileAttributes( pParentDirectoryCB,
 866                                                        DirectoryCB,
 867                                                        &uniParentPath,
 868                                                        pCcb->NameArray,
 869                                                        &pCcb->AuthGroup,
 870                                                        &stFileInfo)))
 871             {
 872
 873                 if ( stFileInfo.FileAttributes & FILE_ATTRIBUTE_DIRECTORY)
 874                 {
 875
 876                     ulFileAttribs |= FILE_ATTRIBUTE_DIRECTORY;
 877                 }
 878             }
 879
 880             AFSAcquireShared( &pFcb->NPFcb->Resource,
 881                               TRUE);
 882         }
 883
 884
 885         AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
 886                       AFS_TRACE_LEVEL_VERBOSE_2,
 887                       "AFSQueryBasicInfo %wZ Type 0x%x Attrib 0x%x -> 0x%x\n",
 888                       &pCcb->DirectoryCB->NameInformation.FileName,
 889                       pFcb->ObjectInformation->FileType,
 890                       pFcb->ObjectInformation->FileAttributes,
 891                       ulFileAttribs));
 892
 893         Buffer->CreationTime = DirectoryCB->ObjectInformation->CreationTime;
 894         Buffer->LastAccessTime = DirectoryCB->ObjectInformation->LastAccessTime;
 895         Buffer->LastWriteTime = DirectoryCB->ObjectInformation->LastWriteTime;
 896         Buffer->ChangeTime = DirectoryCB->ObjectInformation->ChangeTime;
 897         Buffer->FileAttributes = ulFileAttribs;
 898
 899         if( DirectoryCB->NameInformation.FileName.Buffer[ 0] == L'.' &&
 900             BooleanFlagOn( pDeviceExt->DeviceFlags, AFS_DEVICE_FLAG_HIDE_DOT_NAMES))
 901         {
 902
 903             if ( Buffer->FileAttributes != FILE_ATTRIBUTE_NORMAL)
 904             {
 905                 Buffer->FileAttributes |= FILE_ATTRIBUTE_HIDDEN;
 906             }
 907             else
 908             {
 909                 Buffer->FileAttributes = FILE_ATTRIBUTE_HIDDEN;
 910             }
 911         }
 912
 913         *Length -= sizeof( FILE_BASIC_INFORMATION);
 914     }
 915     else
 916     {
 917
 918         ntStatus = STATUS_BUFFER_TOO_SMALL;
 919     }
 920
 921     return ntStatus;
 922 }
 923
 924 NTSTATUS
 925 AFSQueryStandardInfo( IN PIRP Irp,
 926                       IN AFSDirectoryCB *DirectoryCB,
 927                       IN OUT PFILE_STANDARD_INFORMATION Buffer,
 928                       IN OUT PLONG Length)
 929 {
 930
 931     NTSTATUS ntStatus = STATUS_SUCCESS;
 932     AFSFcb *pFcb = NULL;
 933     AFSCcb *pCcb = NULL;
 934     PIO_STACK_LOCATION pIrpSp = IoGetCurrentIrpStackLocation( Irp);
 935     AFSFileInfoCB stFileInfo;
 936     AFSDirectoryCB *pParentDirectoryCB = NULL;
 937     UNICODE_STRING uniParentPath;
 938     ULONG ulFileAttribs = 0;
 939
 940     if( *Length >= sizeof( FILE_STANDARD_INFORMATION))
 941     {
 942
 943         pFcb = (AFSFcb *)pIrpSp->FileObject->FsContext;
 944         pCcb = (AFSCcb *)pIrpSp->FileObject->FsContext2;
 945
 946         RtlZeroMemory( Buffer,
 947                        *Length);
 948
 949         Buffer->NumberOfLinks = 1;
 950         Buffer->DeletePending = BooleanFlagOn( pCcb->DirectoryCB->Flags, AFS_DIR_ENTRY_PENDING_DELETE);
 951
 952         Buffer->AllocationSize.QuadPart = (ULONGLONG)((DirectoryCB->ObjectInformation->AllocationSize.QuadPart/PAGE_SIZE) + 1) * PAGE_SIZE;
 953
 954         Buffer->EndOfFile = DirectoryCB->ObjectInformation->EndOfFile;
 955
 956         ulFileAttribs = DirectoryCB->ObjectInformation->FileAttributes;
 957
 958         if( DirectoryCB->ObjectInformation->FileType == AFS_FILE_TYPE_SYMLINK)
 959         {
 960
 961             pParentDirectoryCB = AFSGetParentEntry( pCcb->NameArray);
 962
 963             AFSRetrieveParentPath( &pCcb->FullFileName,
 964                                    &uniParentPath);
 965
 966             RtlZeroMemory( &stFileInfo,
 967                            sizeof( AFSFileInfoCB));
 968
 969             //
 970             // Can't hold the Fcb while evaluating the path, leads to lock inversion
 971             //
 972
 973             AFSReleaseResource( &pFcb->NPFcb->Resource);
 974
 975             //
 976             // Its a reparse point regardless of whether or not the
 977             // file attributes can be retrieved.
 978             //
 979
 980             if ( ulFileAttribs == FILE_ATTRIBUTE_NORMAL)
 981             {
 982
 983                 ulFileAttribs = FILE_ATTRIBUTE_REPARSE_POINT;
 984             }
 985             else
 986             {
 987
 988                 ulFileAttribs |= FILE_ATTRIBUTE_REPARSE_POINT;
 989             }
 990
 991             if( NT_SUCCESS( AFSRetrieveFileAttributes( pParentDirectoryCB,
 992                                                        DirectoryCB,
 993                                                        &uniParentPath,
 994                                                        pCcb->NameArray,
 995                                                        &pCcb->AuthGroup,
 996                                                        &stFileInfo)))
 997             {
 998
 999                 if ( stFileInfo.FileAttributes & FILE_ATTRIBUTE_DIRECTORY)
1000                 {
1001
1002                     ulFileAttribs |= FILE_ATTRIBUTE_DIRECTORY;
1003                 }
1004             }
1005
1006             AFSAcquireShared( &pFcb->NPFcb->Resource,
1007                               TRUE);
1008         }
1009
1010         AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
1011                       AFS_TRACE_LEVEL_VERBOSE_2,
1012                       "AFSQueryStandardInfo %wZ Type 0x%x Attrib 0x%x -> 0x%x\n",
1013                       &pCcb->DirectoryCB->NameInformation.FileName,
1014                       pFcb->ObjectInformation->FileType,
1015                       pFcb->ObjectInformation->FileAttributes,
1016                       ulFileAttribs));
1017
1018         Buffer->Directory = BooleanFlagOn( ulFileAttribs, FILE_ATTRIBUTE_DIRECTORY);
1019
1020         *Length -= sizeof( FILE_STANDARD_INFORMATION);
1021     }
1022     else
1023     {
1024
1025         ntStatus = STATUS_BUFFER_TOO_SMALL;
1026     }
1027
1028     return ntStatus;
1029 }
1030
1031 NTSTATUS
1032 AFSQueryInternalInfo( IN PIRP Irp,
1033                       IN AFSFcb *Fcb,
1034                       IN OUT PFILE_INTERNAL_INFORMATION Buffer,
1035                       IN OUT PLONG Length)
1036 {
1037
1038     UNREFERENCED_PARAMETER(Irp);
1039     NTSTATUS ntStatus = STATUS_SUCCESS;
1040
1041     if( *Length >= sizeof( FILE_INTERNAL_INFORMATION))
1042     {
1043
1044         Buffer->IndexNumber.HighPart = Fcb->ObjectInformation->FileId.Vnode;
1045
1046         Buffer->IndexNumber.LowPart = Fcb->ObjectInformation->FileId.Unique;
1047
1048         *Length -= sizeof( FILE_INTERNAL_INFORMATION);
1049     }
1050     else
1051     {
1052
1053         ntStatus = STATUS_BUFFER_TOO_SMALL;
1054     }
1055
1056     return ntStatus;
1057 }
1058
1059 NTSTATUS
1060 AFSQueryEaInfo( IN PIRP Irp,
1061                 IN AFSDirectoryCB *DirectoryCB,
1062                 IN OUT PFILE_EA_INFORMATION Buffer,
1063                 IN OUT PLONG Length)
1064 {
1065
1066     UNREFERENCED_PARAMETER(Irp);
1067     UNREFERENCED_PARAMETER(DirectoryCB);
1068     NTSTATUS ntStatus = STATUS_SUCCESS;
1069
1070     RtlZeroMemory( Buffer,
1071                    *Length);
1072
1073     if( *Length >= sizeof( FILE_EA_INFORMATION))
1074     {
1075
1076         Buffer->EaSize = 0;
1077
1078         *Length -= sizeof( FILE_EA_INFORMATION);
1079     }
1080     else
1081     {
1082
1083         ntStatus = STATUS_BUFFER_TOO_SMALL;
1084     }
1085
1086     return ntStatus;
1087 }
1088
1089 NTSTATUS
1090 AFSQueryPositionInfo( IN PIRP Irp,
1091                       IN AFSFcb *Fcb,
1092                       IN OUT PFILE_POSITION_INFORMATION Buffer,
1093                       IN OUT PLONG Length)
1094 {
1095
1096     UNREFERENCED_PARAMETER(Fcb);
1097     NTSTATUS ntStatus = STATUS_SUCCESS;
1098     PIO_STACK_LOCATION pIrpSp = IoGetCurrentIrpStackLocation( Irp);
1099
1100     if( *Length >= sizeof( FILE_POSITION_INFORMATION))
1101     {
1102
1103         RtlZeroMemory( Buffer,
1104                        *Length);
1105
1106         Buffer->CurrentByteOffset.QuadPart = pIrpSp->FileObject->CurrentByteOffset.QuadPart;
1107
1108         *Length -= sizeof( FILE_POSITION_INFORMATION);
1109     }
1110     else
1111     {
1112
1113         ntStatus = STATUS_BUFFER_TOO_SMALL;
1114     }
1115
1116     return ntStatus;
1117 }
1118
1119 NTSTATUS
1120 AFSQueryAccess( IN PIRP Irp,
1121                 IN AFSFcb *Fcb,
1122                 IN OUT PFILE_ACCESS_INFORMATION Buffer,
1123                 IN OUT PLONG Length)
1124 {
1125
1126     UNREFERENCED_PARAMETER(Irp);
1127     UNREFERENCED_PARAMETER(Fcb);
1128     NTSTATUS ntStatus = STATUS_SUCCESS;
1129
1130     if( *Length >= sizeof( FILE_ACCESS_INFORMATION))
1131     {
1132
1133         RtlZeroMemory( Buffer,
1134                        *Length);
1135
1136         Buffer->AccessFlags = 0;
1137
1138         *Length -= sizeof( FILE_ACCESS_INFORMATION);
1139     }
1140     else
1141     {
1142
1143         ntStatus = STATUS_BUFFER_TOO_SMALL;
1144     }
1145
1146     return ntStatus;
1147 }
1148
1149 NTSTATUS
1150 AFSQueryMode( IN PIRP Irp,
1151               IN AFSFcb *Fcb,
1152               IN OUT PFILE_MODE_INFORMATION Buffer,
1153               IN OUT PLONG Length)
1154 {
1155
1156     UNREFERENCED_PARAMETER(Irp);
1157     UNREFERENCED_PARAMETER(Fcb);
1158     NTSTATUS ntStatus = STATUS_SUCCESS;
1159
1160     if( *Length >= sizeof( FILE_MODE_INFORMATION))
1161     {
1162
1163         RtlZeroMemory( Buffer,
1164                        *Length);
1165
1166         Buffer->Mode = 0;
1167
1168         *Length -= sizeof( FILE_MODE_INFORMATION);
1169     }
1170     else
1171     {
1172
1173         ntStatus = STATUS_BUFFER_TOO_SMALL;
1174     }
1175
1176     return ntStatus;
1177 }
1178
1179 NTSTATUS
1180 AFSQueryAlignment( IN PIRP Irp,
1181                    IN AFSFcb *Fcb,
1182                    IN OUT PFILE_ALIGNMENT_INFORMATION Buffer,
1183                    IN OUT PLONG Length)
1184 {
1185
1186     UNREFERENCED_PARAMETER(Irp);
1187     UNREFERENCED_PARAMETER(Fcb);
1188     NTSTATUS ntStatus = STATUS_SUCCESS;
1189
1190     if( *Length >= sizeof( FILE_ALIGNMENT_INFORMATION))
1191     {
1192
1193         RtlZeroMemory( Buffer,
1194                        *Length);
1195
1196         Buffer->AlignmentRequirement = 1;
1197
1198         *Length -= sizeof( FILE_ALIGNMENT_INFORMATION);
1199     }
1200     else
1201     {
1202
1203         ntStatus = STATUS_BUFFER_TOO_SMALL;
1204     }
1205
1206     return ntStatus;
1207 }
1208
1209 NTSTATUS
1210 AFSQueryNameInfo( IN PIRP Irp,
1211                   IN AFSDirectoryCB *DirectoryCB,
1212                   IN OUT PFILE_NAME_INFORMATION Buffer,
1213                   IN OUT PLONG Length)
1214 {
1215
1216     UNREFERENCED_PARAMETER(DirectoryCB);
1217     NTSTATUS ntStatus = STATUS_SUCCESS;
1218     ULONG ulCopyLength = 0;
1219     ULONG cchCopied = 0;
1220     AFSFcb *pFcb = NULL;
1221     AFSCcb *pCcb = NULL;
1222     IO_STACK_LOCATION *pIrpSp = IoGetCurrentIrpStackLocation( Irp);
1223     BOOLEAN bAddLeadingSlash = FALSE;
1224     BOOLEAN bAddTrailingSlash = FALSE;
1225     USHORT usFullNameLength = 0;
1226
1227     pFcb = (AFSFcb *)pIrpSp->FileObject->FsContext;
1228
1229     pCcb = (AFSCcb *)pIrpSp->FileObject->FsContext2;
1230
1231     if( *Length >= FIELD_OFFSET( FILE_NAME_INFORMATION, FileName))
1232     {
1233
1234         RtlZeroMemory( Buffer,
1235                        *Length);
1236
1237         if( pCcb->FullFileName.Length == 0 ||
1238             pCcb->FullFileName.Buffer[ 0] != L'\\')
1239         {
1240             bAddLeadingSlash = TRUE;
1241         }
1242
1243         if( pFcb->ObjectInformation->FileType == AFS_FILE_TYPE_DIRECTORY &&
1244             pCcb->FullFileName.Length > 0 &&
1245             pCcb->FullFileName.Buffer[ (pCcb->FullFileName.Length/sizeof( WCHAR)) - 1] != L'\\')
1246         {
1247             bAddTrailingSlash = TRUE;
1248         }
1249
1250         usFullNameLength = sizeof( WCHAR) +
1251                                     AFSServerName.Length +
1252                                     pCcb->FullFileName.Length;
1253
1254         if( bAddLeadingSlash)
1255         {
1256             usFullNameLength += sizeof( WCHAR);
1257         }
1258
1259         if( bAddTrailingSlash)
1260         {
1261             usFullNameLength += sizeof( WCHAR);
1262         }
1263
1264         if( *Length >= (LONG)(FIELD_OFFSET( FILE_NAME_INFORMATION, FileName) + (LONG)usFullNameLength))
1265         {
1266
1267             ulCopyLength = (LONG)usFullNameLength;
1268         }
1269         else
1270         {
1271
1272             ulCopyLength = *Length - FIELD_OFFSET( FILE_NAME_INFORMATION, FileName);
1273
1274             ntStatus = STATUS_BUFFER_OVERFLOW;
1275         }
1276
1277         Buffer->FileNameLength = (ULONG)usFullNameLength;
1278
1279         *Length -= FIELD_OFFSET( FILE_NAME_INFORMATION, FileName);
1280
1281         if( ulCopyLength > 0)
1282         {
1283
1284             Buffer->FileName[ 0] = L'\\';
1285             ulCopyLength -= sizeof( WCHAR);
1286
1287             *Length -= sizeof( WCHAR);
1288             cchCopied += 1;
1289
1290             if( ulCopyLength >= AFSServerName.Length)
1291             {
1292
1293                 RtlCopyMemory( &Buffer->FileName[ 1],
1294                                AFSServerName.Buffer,
1295                                AFSServerName.Length);
1296
1297                 ulCopyLength -= AFSServerName.Length;
1298                 *Length -= AFSServerName.Length;
1299                 cchCopied += AFSServerName.Length/sizeof( WCHAR);
1300
1301                 if ( ulCopyLength > 0 &&
1302                      bAddLeadingSlash)
1303                 {
1304
1305                     Buffer->FileName[ cchCopied] = L'\\';
1306
1307                     ulCopyLength -= sizeof( WCHAR);
1308                     *Length -= sizeof( WCHAR);
1309                     cchCopied++;
1310                 }
1311
1312                 if( ulCopyLength >= pCcb->FullFileName.Length)
1313                 {
1314
1315                     RtlCopyMemory( &Buffer->FileName[ cchCopied],
1316                                    pCcb->FullFileName.Buffer,
1317                                    pCcb->FullFileName.Length);
1318
1319                     ulCopyLength -= pCcb->FullFileName.Length;
1320                     *Length -= pCcb->FullFileName.Length;
1321                     cchCopied += pCcb->FullFileName.Length/sizeof( WCHAR);
1322
1323                     if( ulCopyLength > 0 &&
1324                         bAddTrailingSlash)
1325                     {
1326                         Buffer->FileName[ cchCopied] = L'\\';
1327
1328                         *Length -= sizeof( WCHAR);
1329                     }
1330                 }
1331                 else
1332                 {
1333
1334                     RtlCopyMemory( &Buffer->FileName[ cchCopied],
1335                                    pCcb->FullFileName.Buffer,
1336                                    ulCopyLength);
1337
1338                     *Length -= ulCopyLength;
1339                 }
1340             }
1341         }
1342     }
1343     else
1344     {
1345
1346         ntStatus = STATUS_BUFFER_TOO_SMALL;
1347     }
1348
1349     return ntStatus;
1350 }
1351
1352 NTSTATUS
1353 AFSQueryShortNameInfo( IN PIRP Irp,
1354                        IN AFSDirectoryCB *DirectoryCB,
1355                        IN OUT PFILE_NAME_INFORMATION Buffer,
1356                        IN OUT PLONG Length)
1357 {
1358
1359     UNREFERENCED_PARAMETER(Irp);
1360     NTSTATUS ntStatus = STATUS_BUFFER_TOO_SMALL;
1361     ULONG ulCopyLength = 0;
1362
1363     RtlZeroMemory( Buffer,
1364                    *Length);
1365
1366     if( DirectoryCB->NameInformation.ShortNameLength == 0)
1367     {
1368
1369         //
1370         // The short name IS the long name
1371         //
1372
1373         if( *Length >= (LONG)FIELD_OFFSET( FILE_NAME_INFORMATION, FileName))
1374         {
1375
1376             if( *Length >= (LONG)(FIELD_OFFSET( FILE_NAME_INFORMATION, FileName) + (LONG)DirectoryCB->NameInformation.FileName.Length))
1377             {
1378
1379                 ulCopyLength = (LONG)DirectoryCB->NameInformation.FileName.Length;
1380
1381                 ntStatus = STATUS_SUCCESS;
1382             }
1383             else
1384             {
1385
1386                 ulCopyLength = *Length - FIELD_OFFSET( FILE_NAME_INFORMATION, FileName);
1387
1388                 ntStatus = STATUS_BUFFER_OVERFLOW;
1389             }
1390
1391             Buffer->FileNameLength = DirectoryCB->NameInformation.FileName.Length;
1392
1393             *Length -= FIELD_OFFSET( FILE_NAME_INFORMATION, FileName);
1394
1395             if( ulCopyLength > 0)
1396             {
1397
1398                 RtlCopyMemory( Buffer->FileName,
1399                                DirectoryCB->NameInformation.FileName.Buffer,
1400                                ulCopyLength);
1401
1402                 *Length -= ulCopyLength;
1403             }
1404         }
1405     }
1406     else
1407     {
1408
1409         if( *Length >= (LONG)FIELD_OFFSET( FILE_NAME_INFORMATION, FileName))
1410         {
1411
1412             if( *Length >= (LONG)(FIELD_OFFSET( FILE_NAME_INFORMATION, FileName) + (LONG)DirectoryCB->NameInformation.FileName.Length))
1413             {
1414
1415                 ulCopyLength = (LONG)DirectoryCB->NameInformation.ShortNameLength;
1416
1417                 ntStatus = STATUS_SUCCESS;
1418             }
1419             else
1420             {
1421
1422                 ulCopyLength = *Length - FIELD_OFFSET( FILE_NAME_INFORMATION, FileName);
1423
1424                 ntStatus = STATUS_BUFFER_OVERFLOW;
1425             }
1426
1427             Buffer->FileNameLength = DirectoryCB->NameInformation.ShortNameLength;
1428
1429             *Length -= FIELD_OFFSET( FILE_NAME_INFORMATION, FileName);
1430
1431             if( ulCopyLength > 0)
1432             {
1433
1434                 RtlCopyMemory( Buffer->FileName,
1435                                DirectoryCB->NameInformation.ShortName,
1436                                Buffer->FileNameLength);
1437
1438                 *Length -= ulCopyLength;
1439             }
1440         }
1441     }
1442
1443     return ntStatus;
1444 }
1445
1446 NTSTATUS
1447 AFSQueryNetworkInfo( IN PIRP Irp,
1448                      IN AFSDirectoryCB *DirectoryCB,
1449                      IN OUT PFILE_NETWORK_OPEN_INFORMATION Buffer,
1450                      IN OUT PLONG Length)
1451 {
1452
1453     NTSTATUS ntStatus = STATUS_SUCCESS;
1454     AFSDeviceExt *pDeviceExt = (AFSDeviceExt *)AFSRDRDeviceObject->DeviceExtension;
1455     AFSFcb *pFcb = NULL;
1456     AFSCcb *pCcb = NULL;
1457     PIO_STACK_LOCATION pIrpSp = IoGetCurrentIrpStackLocation( Irp);
1458     AFSFileInfoCB stFileInfo;
1459     AFSDirectoryCB *pParentDirectoryCB = NULL;
1460     UNICODE_STRING uniParentPath;
1461     ULONG ulFileAttribs = 0;
1462
1463     RtlZeroMemory( Buffer,
1464                    *Length);
1465
1466     if( *Length >= sizeof( FILE_NETWORK_OPEN_INFORMATION))
1467     {
1468
1469         ulFileAttribs = DirectoryCB->ObjectInformation->FileAttributes;
1470
1471         pFcb = (AFSFcb *)pIrpSp->FileObject->FsContext;
1472         pCcb = (AFSCcb *)pIrpSp->FileObject->FsContext2;
1473
1474         if( DirectoryCB->ObjectInformation->FileType == AFS_FILE_TYPE_SYMLINK)
1475         {
1476
1477             pParentDirectoryCB = AFSGetParentEntry( pCcb->NameArray);
1478
1479             AFSRetrieveParentPath( &pCcb->FullFileName,
1480                                    &uniParentPath);
1481
1482             RtlZeroMemory( &stFileInfo,
1483                            sizeof( AFSFileInfoCB));
1484
1485             //
1486             // Can't hold the Fcb while evaluating the path, leads to lock inversion
1487             //
1488
1489             AFSReleaseResource( &pFcb->NPFcb->Resource);
1490
1491             //
1492             // Its a reparse point regardless of whether the file attributes
1493             // can be retrieved for the target.
1494             //
1495
1496             if ( ulFileAttribs == FILE_ATTRIBUTE_NORMAL)
1497             {
1498
1499                 ulFileAttribs = FILE_ATTRIBUTE_REPARSE_POINT;
1500             }
1501             else
1502             {
1503
1504                 ulFileAttribs |= FILE_ATTRIBUTE_REPARSE_POINT;
1505             }
1506
1507             if( NT_SUCCESS( AFSRetrieveFileAttributes( pParentDirectoryCB,
1508                                                        DirectoryCB,
1509                                                        &uniParentPath,
1510                                                        pCcb->NameArray,
1511                                                        &pCcb->AuthGroup,
1512                                                        &stFileInfo)))
1513             {
1514
1515                 if ( stFileInfo.FileAttributes & FILE_ATTRIBUTE_DIRECTORY)
1516                 {
1517
1518                     ulFileAttribs |= FILE_ATTRIBUTE_DIRECTORY;
1519                 }
1520             }
1521
1522             AFSAcquireShared( &pFcb->NPFcb->Resource,
1523                               TRUE);
1524         }
1525
1526         AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
1527                       AFS_TRACE_LEVEL_VERBOSE_2,
1528                       "AFSQueryNetworkInfo %wZ Type 0x%x Attrib 0x%x -> 0x%x\n",
1529                       &pCcb->DirectoryCB->NameInformation.FileName,
1530                       pFcb->ObjectInformation->FileType,
1531                       pFcb->ObjectInformation->FileAttributes,
1532                       ulFileAttribs));
1533
1534         Buffer->CreationTime.QuadPart = DirectoryCB->ObjectInformation->CreationTime.QuadPart;
1535         Buffer->LastAccessTime.QuadPart = DirectoryCB->ObjectInformation->LastAccessTime.QuadPart;
1536         Buffer->LastWriteTime.QuadPart = DirectoryCB->ObjectInformation->LastWriteTime.QuadPart;
1537         Buffer->ChangeTime.QuadPart = DirectoryCB->ObjectInformation->ChangeTime.QuadPart;
1538
1539         Buffer->AllocationSize.QuadPart = DirectoryCB->ObjectInformation->AllocationSize.QuadPart;
1540         Buffer->EndOfFile.QuadPart = DirectoryCB->ObjectInformation->EndOfFile.QuadPart;
1541
1542         Buffer->FileAttributes = ulFileAttribs;
1543
1544         if( DirectoryCB->NameInformation.FileName.Buffer[ 0] == L'.' &&
1545             BooleanFlagOn( pDeviceExt->DeviceFlags, AFS_DEVICE_FLAG_HIDE_DOT_NAMES))
1546         {
1547
1548             if ( Buffer->FileAttributes != FILE_ATTRIBUTE_NORMAL)
1549             {
1550
1551                 Buffer->FileAttributes |= FILE_ATTRIBUTE_HIDDEN;
1552             }
1553             else
1554             {
1555
1556                 Buffer->FileAttributes = FILE_ATTRIBUTE_HIDDEN;
1557             }
1558         }
1559
1560         *Length -= sizeof( FILE_NETWORK_OPEN_INFORMATION);
1561     }
1562     else
1563     {
1564
1565         ntStatus = STATUS_BUFFER_TOO_SMALL;
1566     }
1567
1568     return ntStatus;
1569 }
1570
1571 NTSTATUS
1572 AFSQueryStreamInfo( IN PIRP Irp,
1573                     IN AFSDirectoryCB *DirectoryCB,
1574                     IN OUT FILE_STREAM_INFORMATION *Buffer,
1575                     IN OUT PLONG Length)
1576 {
1577
1578     UNREFERENCED_PARAMETER(Irp);
1579     NTSTATUS ntStatus = STATUS_BUFFER_TOO_SMALL;
1580     ULONG ulCopyLength = 0;
1581
1582     if( *Length >= FIELD_OFFSET( FILE_STREAM_INFORMATION, StreamName))
1583     {
1584
1585         RtlZeroMemory( Buffer,
1586                        *Length);
1587
1588         Buffer->NextEntryOffset = 0;
1589
1590
1591         if( !BooleanFlagOn( DirectoryCB->ObjectInformation->FileAttributes, FILE_ATTRIBUTE_DIRECTORY))
1592         {
1593
1594             if( *Length >= (LONG)(FIELD_OFFSET( FILE_STREAM_INFORMATION, StreamName) + 14))  // ::$DATA
1595             {
1596
1597                 ulCopyLength = 14;
1598
1599                 ntStatus = STATUS_SUCCESS;
1600             }
1601             else
1602             {
1603
1604                 ulCopyLength = *Length - FIELD_OFFSET( FILE_STREAM_INFORMATION, StreamName);
1605
1606                 ntStatus = STATUS_BUFFER_OVERFLOW;
1607             }
1608
1609             Buffer->StreamNameLength = 14; // ::$DATA
1610
1611             Buffer->StreamSize.QuadPart = DirectoryCB->ObjectInformation->EndOfFile.QuadPart;
1612
1613             Buffer->StreamAllocationSize.QuadPart = DirectoryCB->ObjectInformation->AllocationSize.QuadPart;
1614
1615             *Length -= FIELD_OFFSET( FILE_STREAM_INFORMATION, StreamName);
1616
1617             if( ulCopyLength > 0)
1618             {
1619
1620                 RtlCopyMemory( Buffer->StreamName,
1621                                L"::$DATA",
1622                                ulCopyLength);
1623
1624                 *Length -= ulCopyLength;
1625             }
1626         }
1627         else
1628         {
1629
1630             Buffer->StreamNameLength = 0;       // No stream for a directory
1631
1632             // The response size is zero
1633
1634             ntStatus = STATUS_SUCCESS;
1635         }
1636     }
1637
1638     return ntStatus;
1639 }
1640
1641 NTSTATUS
1642 AFSQueryAttribTagInfo( IN PIRP Irp,
1643                        IN AFSDirectoryCB *DirectoryCB,
1644                        IN OUT FILE_ATTRIBUTE_TAG_INFORMATION *Buffer,
1645                        IN OUT PLONG Length)
1646 {
1647
1648     NTSTATUS ntStatus = STATUS_BUFFER_TOO_SMALL;
1649     AFSDeviceExt *pDeviceExt = (AFSDeviceExt *)AFSRDRDeviceObject->DeviceExtension;
1650     AFSFcb *pFcb = NULL;
1651     AFSCcb *pCcb = NULL;
1652     PIO_STACK_LOCATION pIrpSp = IoGetCurrentIrpStackLocation( Irp);
1653     AFSFileInfoCB stFileInfo;
1654     AFSDirectoryCB *pParentDirectoryCB = NULL;
1655     UNICODE_STRING uniParentPath;
1656     ULONG ulFileAttribs = 0;
1657
1658     if( *Length >= sizeof( FILE_ATTRIBUTE_TAG_INFORMATION))
1659     {
1660
1661         RtlZeroMemory( Buffer,
1662                        *Length);
1663
1664         ulFileAttribs = DirectoryCB->ObjectInformation->FileAttributes;
1665
1666         pFcb = (AFSFcb *)pIrpSp->FileObject->FsContext;
1667         pCcb = (AFSCcb *)pIrpSp->FileObject->FsContext2;
1668
1669         if( DirectoryCB->ObjectInformation->FileType == AFS_FILE_TYPE_SYMLINK)
1670         {
1671
1672             pParentDirectoryCB = AFSGetParentEntry( pCcb->NameArray);
1673
1674             AFSRetrieveParentPath( &pCcb->FullFileName,
1675                                    &uniParentPath);
1676
1677             RtlZeroMemory( &stFileInfo,
1678                            sizeof( AFSFileInfoCB));
1679
1680             //
1681             // Can't hold the Fcb while evaluating the path, leads to lock inversion
1682             //
1683
1684             AFSReleaseResource( &pFcb->NPFcb->Resource);
1685
1686             //
1687             // Its a reparse point regardless of whether the file attributes
1688             // can be retrieved for the target.
1689             //
1690
1691             if ( ulFileAttribs == FILE_ATTRIBUTE_NORMAL)
1692             {
1693
1694                 ulFileAttribs = FILE_ATTRIBUTE_REPARSE_POINT;
1695             }
1696             else
1697             {
1698
1699                 ulFileAttribs |= FILE_ATTRIBUTE_REPARSE_POINT;
1700             }
1701
1702             if( NT_SUCCESS( AFSRetrieveFileAttributes( pParentDirectoryCB,
1703                                                        DirectoryCB,
1704                                                        &uniParentPath,
1705                                                        pCcb->NameArray,
1706                                                        &pCcb->AuthGroup,
1707                                                        &stFileInfo)))
1708             {
1709
1710                 if ( stFileInfo.FileAttributes & FILE_ATTRIBUTE_DIRECTORY)
1711                 {
1712
1713                     ulFileAttribs |= FILE_ATTRIBUTE_DIRECTORY;
1714                 }
1715             }
1716
1717             AFSAcquireShared( &pFcb->NPFcb->Resource,
1718                               TRUE);
1719         }
1720
1721         AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
1722                       AFS_TRACE_LEVEL_VERBOSE_2,
1723                       "AFSAttribTagInfo %wZ Type 0x%x Attrib 0x%x -> 0x%x\n",
1724                       &pCcb->DirectoryCB->NameInformation.FileName,
1725                       pFcb->ObjectInformation->FileType,
1726                       pFcb->ObjectInformation->FileAttributes,
1727                       ulFileAttribs));
1728
1729         Buffer->FileAttributes = ulFileAttribs;
1730
1731         if( DirectoryCB->NameInformation.FileName.Buffer[ 0] == L'.' &&
1732             BooleanFlagOn( pDeviceExt->DeviceFlags, AFS_DEVICE_FLAG_HIDE_DOT_NAMES))
1733         {
1734
1735             if ( Buffer->FileAttributes != FILE_ATTRIBUTE_NORMAL)
1736             {
1737
1738                 Buffer->FileAttributes |= FILE_ATTRIBUTE_HIDDEN;
1739             }
1740             else
1741             {
1742
1743                 Buffer->FileAttributes = FILE_ATTRIBUTE_HIDDEN;
1744             }
1745         }
1746
1747         if ( DirectoryCB->ObjectInformation->FileType == AFS_FILE_TYPE_MOUNTPOINT)
1748         {
1749
1750             Buffer->ReparseTag = IO_REPARSE_TAG_SURROGATE|IO_REPARSE_TAG_OPENAFS_DFS;
1751         }
1752         else if( BooleanFlagOn( DirectoryCB->ObjectInformation->FileAttributes, FILE_ATTRIBUTE_REPARSE_POINT))
1753         {
1754
1755             Buffer->ReparseTag = IO_REPARSE_TAG_SYMLINK;
1756         }
1757
1758         *Length -= sizeof( FILE_ATTRIBUTE_TAG_INFORMATION);
1759
1760         ntStatus = STATUS_SUCCESS;
1761     }
1762
1763     return ntStatus;
1764 }
1765
1766 NTSTATUS
1767 AFSQueryRemoteProtocolInfo( IN PIRP Irp,
1768                             IN AFSDirectoryCB *DirectoryCB,
1769                             IN OUT FILE_REMOTE_PROTOCOL_INFORMATION *Buffer,
1770                             IN OUT PLONG Length)
1771 {
1772
1773     UNREFERENCED_PARAMETER(Irp);
1774     UNREFERENCED_PARAMETER(DirectoryCB);
1775     NTSTATUS ntStatus = STATUS_BUFFER_TOO_SMALL;
1776
1777     if( *Length >= sizeof( FILE_REMOTE_PROTOCOL_INFORMATION))
1778     {
1779
1780         RtlZeroMemory( Buffer,
1781                        *Length);
1782
1783         Buffer->StructureVersion = 1;
1784
1785         Buffer->StructureSize = sizeof(FILE_REMOTE_PROTOCOL_INFORMATION);
1786
1787         Buffer->Protocol = WNNC_NET_OPENAFS;
1788
1789         Buffer->ProtocolMajorVersion = 3;
1790
1791         Buffer->ProtocolMinorVersion = 0;
1792
1793         Buffer->ProtocolRevision = 0;
1794
1795         *Length -= sizeof( FILE_REMOTE_PROTOCOL_INFORMATION);
1796
1797         ntStatus = STATUS_SUCCESS;
1798     }
1799
1800     return ntStatus;
1801 }
1802
1803 NTSTATUS
1804 AFSQueryPhysicalNameInfo( IN PIRP Irp,
1805                           IN AFSDirectoryCB *DirectoryCB,
1806                           IN OUT PFILE_NETWORK_PHYSICAL_NAME_INFORMATION Buffer,
1807                           IN OUT PLONG Length)
1808 {
1809
1810     UNREFERENCED_PARAMETER(DirectoryCB);
1811     NTSTATUS ntStatus = STATUS_SUCCESS;
1812     ULONG ulCopyLength = 0;
1813     ULONG cchCopied = 0;
1814     AFSFcb *pFcb = NULL;
1815     AFSCcb *pCcb = NULL;
1816     IO_STACK_LOCATION *pIrpSp = IoGetCurrentIrpStackLocation( Irp);
1817     BOOLEAN bAddLeadingSlash = FALSE;
1818     USHORT usFullNameLength = 0;
1819
1820     pFcb = (AFSFcb *)pIrpSp->FileObject->FsContext;
1821
1822     pCcb = (AFSCcb *)pIrpSp->FileObject->FsContext2;
1823
1824     if( *Length >= FIELD_OFFSET( FILE_NETWORK_PHYSICAL_NAME_INFORMATION, FileName))
1825     {
1826
1827         RtlZeroMemory( Buffer,
1828                        *Length);
1829
1830         if( pCcb->FullFileName.Length == 0 ||
1831             pCcb->FullFileName.Buffer[ 0] != L'\\')
1832         {
1833             bAddLeadingSlash = TRUE;
1834         }
1835
1836         usFullNameLength = pCcb->FullFileName.Length;
1837
1838         if( bAddLeadingSlash)
1839         {
1840             usFullNameLength += sizeof( WCHAR);
1841         }
1842
1843         if( *Length >= (LONG)(FIELD_OFFSET( FILE_NETWORK_PHYSICAL_NAME_INFORMATION, FileName) + (LONG)usFullNameLength))
1844         {
1845             ulCopyLength = (LONG)usFullNameLength;
1846         }
1847         else
1848         {
1849
1850             ulCopyLength = *Length - FIELD_OFFSET( FILE_NETWORK_PHYSICAL_NAME_INFORMATION, FileName);
1851
1852             ntStatus = STATUS_BUFFER_OVERFLOW;
1853         }
1854
1855         Buffer->FileNameLength = (ULONG)usFullNameLength;
1856
1857         *Length -= FIELD_OFFSET( FILE_NETWORK_PHYSICAL_NAME_INFORMATION, FileName);
1858
1859         if( ulCopyLength > 0)
1860         {
1861
1862             if( bAddLeadingSlash)
1863             {
1864
1865                 Buffer->FileName[ cchCopied] = L'\\';
1866
1867                 ulCopyLength -= sizeof( WCHAR);
1868                 *Length -= sizeof( WCHAR);
1869                 cchCopied++;
1870             }
1871
1872             if( ulCopyLength >= pCcb->FullFileName.Length)
1873             {
1874
1875                 RtlCopyMemory( &Buffer->FileName[ cchCopied],
1876                                pCcb->FullFileName.Buffer,
1877                                pCcb->FullFileName.Length);
1878
1879                 ulCopyLength -= pCcb->FullFileName.Length;
1880                 *Length -= pCcb->FullFileName.Length;
1881                 cchCopied += pCcb->FullFileName.Length/sizeof( WCHAR);
1882             }
1883             else
1884             {
1885
1886                 RtlCopyMemory( &Buffer->FileName[ cchCopied],
1887                                pCcb->FullFileName.Buffer,
1888                                ulCopyLength);
1889
1890                 *Length -= ulCopyLength;
1891             }
1892         }
1893     }
1894     else
1895     {
1896
1897         ntStatus = STATUS_BUFFER_TOO_SMALL;
1898     }
1899
1900     return ntStatus;
1901 }
1902
1903 NTSTATUS
1904 AFSSetBasicInfo( IN PIRP Irp,
1905                  IN AFSDirectoryCB *DirectoryCB)
1906 {
1907     NTSTATUS ntStatus = STATUS_SUCCESS;
1908     PFILE_BASIC_INFORMATION pBuffer;
1909     PIO_STACK_LOCATION pIrpSp = IoGetCurrentIrpStackLocation( Irp);
1910     ULONG ulNotifyFilter = 0;
1911     AFSCcb *pCcb = NULL;
1912
1913     __Enter
1914     {
1915
1916         pCcb = (AFSCcb *)pIrpSp->FileObject->FsContext2;
1917
1918         pBuffer = (PFILE_BASIC_INFORMATION)Irp->AssociatedIrp.SystemBuffer;
1919
1920         pCcb->FileUnwindInfo.FileAttributes = (ULONG)-1;
1921
1922         if( pBuffer->FileAttributes != (ULONGLONG)0)
1923         {
1924
1925             if( DirectoryCB->ObjectInformation->Fcb->Header.NodeTypeCode == AFS_FILE_FCB &&
1926                 BooleanFlagOn( pBuffer->FileAttributes, FILE_ATTRIBUTE_DIRECTORY))
1927             {
1928
1929                 try_return( ntStatus = STATUS_INVALID_PARAMETER);
1930             }
1931
1932             if( DirectoryCB->ObjectInformation->Fcb->Header.NodeTypeCode == AFS_DIRECTORY_FCB)
1933             {
1934
1935                 pBuffer->FileAttributes |= FILE_ATTRIBUTE_DIRECTORY;
1936             }
1937
1938             pCcb->FileUnwindInfo.FileAttributes = DirectoryCB->ObjectInformation->FileAttributes;
1939
1940             DirectoryCB->ObjectInformation->FileAttributes = pBuffer->FileAttributes;
1941
1942             ulNotifyFilter |= FILE_NOTIFY_CHANGE_ATTRIBUTES;
1943
1944             SetFlag( DirectoryCB->ObjectInformation->Fcb->Flags, AFS_FCB_FLAG_FILE_MODIFIED);
1945         }
1946
1947         pCcb->FileUnwindInfo.CreationTime.QuadPart = (ULONGLONG)-1;
1948
1949         if( pBuffer->CreationTime.QuadPart != (ULONGLONG)-1 &&
1950             pBuffer->CreationTime.QuadPart != (ULONGLONG)0)
1951         {
1952
1953             pCcb->FileUnwindInfo.CreationTime.QuadPart = DirectoryCB->ObjectInformation->CreationTime.QuadPart;
1954
1955             DirectoryCB->ObjectInformation->CreationTime.QuadPart = pBuffer->CreationTime.QuadPart;
1956
1957             ulNotifyFilter |= FILE_NOTIFY_CHANGE_CREATION;
1958
1959             SetFlag( DirectoryCB->ObjectInformation->Fcb->Flags, AFS_FCB_FLAG_FILE_MODIFIED | AFS_FCB_FLAG_UPDATE_CREATE_TIME);
1960         }
1961
1962         pCcb->FileUnwindInfo.LastAccessTime.QuadPart = (ULONGLONG)-1;
1963
1964         if( pBuffer->LastAccessTime.QuadPart != (ULONGLONG)-1 &&
1965             pBuffer->LastAccessTime.QuadPart != (ULONGLONG)0)
1966         {
1967
1968             pCcb->FileUnwindInfo.LastAccessTime.QuadPart = DirectoryCB->ObjectInformation->LastAccessTime.QuadPart;
1969
1970             DirectoryCB->ObjectInformation->LastAccessTime.QuadPart = pBuffer->LastAccessTime.QuadPart;
1971
1972             ulNotifyFilter |= FILE_NOTIFY_CHANGE_LAST_ACCESS;
1973
1974             SetFlag( DirectoryCB->ObjectInformation->Fcb->Flags, AFS_FCB_FLAG_FILE_MODIFIED | AFS_FCB_FLAG_UPDATE_ACCESS_TIME);
1975         }
1976
1977         pCcb->FileUnwindInfo.LastWriteTime.QuadPart = (ULONGLONG)-1;
1978
1979         if( pBuffer->LastWriteTime.QuadPart != (ULONGLONG)-1 &&
1980             pBuffer->LastWriteTime.QuadPart != (ULONGLONG)0)
1981         {
1982
1983             pCcb->FileUnwindInfo.LastWriteTime.QuadPart = DirectoryCB->ObjectInformation->LastWriteTime.QuadPart;
1984
1985             DirectoryCB->ObjectInformation->LastWriteTime.QuadPart = pBuffer->LastWriteTime.QuadPart;
1986
1987             ulNotifyFilter |= FILE_NOTIFY_CHANGE_LAST_WRITE;
1988
1989             SetFlag( DirectoryCB->ObjectInformation->Fcb->Flags, AFS_FCB_FLAG_FILE_MODIFIED | AFS_FCB_FLAG_UPDATE_LAST_WRITE_TIME);
1990         }
1991
1992         pCcb->FileUnwindInfo.ChangeTime.QuadPart = (ULONGLONG)-1;
1993
1994         if( pBuffer->ChangeTime.QuadPart != (ULONGLONG)-1 &&
1995             pBuffer->ChangeTime.QuadPart != (ULONGLONG)0)
1996         {
1997
1998             pCcb->FileUnwindInfo.ChangeTime.QuadPart = DirectoryCB->ObjectInformation->ChangeTime.QuadPart;
1999
2000             DirectoryCB->ObjectInformation->ChangeTime.QuadPart = pBuffer->ChangeTime.QuadPart;
2001
2002             ulNotifyFilter |= FILE_NOTIFY_CHANGE_LAST_ACCESS;
2003
2004             SetFlag( DirectoryCB->ObjectInformation->Fcb->Flags, AFS_FCB_FLAG_FILE_MODIFIED | AFS_FCB_FLAG_UPDATE_CHANGE_TIME);
2005         }
2006
2007         if( ulNotifyFilter > 0)
2008         {
2009
2010             if( BooleanFlagOn( DirectoryCB->ObjectInformation->Flags, AFS_OBJECT_FLAGS_PARENT_FID))
2011             {
2012
2013                 AFSObjectInfoCB * pParentObjectInfo = AFSFindObjectInfo( DirectoryCB->ObjectInformation->VolumeCB,
2014                                                                          &DirectoryCB->ObjectInformation->ParentFileId,
2015                                                                          TRUE);
2016
2017                 if ( pParentObjectInfo != NULL)
2018                 {
2019                     AFSFsRtlNotifyFullReportChange( pParentObjectInfo,
2020                                                     pCcb,
2021                                                     (ULONG)ulNotifyFilter,
2022                                                     (ULONG)FILE_ACTION_MODIFIED);
2023
2024                     AFSReleaseObjectInfo( &pParentObjectInfo);
2025                 }
2026             }
2027         }
2028
2029 try_exit:
2030
2031         NOTHING;
2032     }
2033
2034     return ntStatus;
2035 }
2036
2037 NTSTATUS
2038 AFSSetDispositionInfo( IN PIRP Irp,
2039                        IN AFSDirectoryCB *DirectoryCB)
2040 {
2041     NTSTATUS ntStatus = STATUS_SUCCESS;
2042     PFILE_DISPOSITION_INFORMATION pBuffer;
2043     PIO_STACK_LOCATION pIrpSp = IoGetCurrentIrpStackLocation( Irp);
2044     AFSFcb *pFcb = NULL;
2045     AFSCcb *pCcb = NULL;
2046
2047     __Enter
2048     {
2049
2050         pBuffer = (PFILE_DISPOSITION_INFORMATION)Irp->AssociatedIrp.SystemBuffer;
2051
2052         pFcb = (AFSFcb *)pIrpSp->FileObject->FsContext;
2053
2054         pCcb = (AFSCcb *)pIrpSp->FileObject->FsContext2;
2055
2056         //
2057         // Can't delete the root
2058         //
2059
2060         if( pFcb->Header.NodeTypeCode == AFS_ROOT_FCB)
2061         {
2062
2063             AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
2064                           AFS_TRACE_LEVEL_ERROR,
2065                           "AFSSetDispositionInfo Attempt to delete root entry\n"));
2066
2067             try_return( ntStatus = STATUS_CANNOT_DELETE);
2068         }
2069
2070         //
2071         // If the file is read only then do not allow the delete
2072         //
2073
2074         if( BooleanFlagOn( DirectoryCB->ObjectInformation->FileAttributes, FILE_ATTRIBUTE_READONLY))
2075         {
2076
2077             AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
2078                           AFS_TRACE_LEVEL_ERROR,
2079                           "AFSSetDispositionInfo Attempt to delete read only entry %wZ\n",
2080                           &DirectoryCB->NameInformation.FileName));
2081
2082             try_return( ntStatus = STATUS_CANNOT_DELETE);
2083         }
2084
2085         if( pBuffer->DeleteFile)
2086         {
2087
2088             //
2089             // Check if the caller can delete the file
2090             //
2091
2092             ntStatus = AFSNotifyDelete( DirectoryCB,
2093                                         &pCcb->AuthGroup,
2094                                         TRUE);
2095
2096             if( !NT_SUCCESS( ntStatus))
2097             {
2098
2099                 AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
2100                               AFS_TRACE_LEVEL_ERROR,
2101                               "AFSSetDispositionInfo Cannot delete entry %wZ Status %08lX\n",
2102                               &DirectoryCB->NameInformation.FileName,
2103                               ntStatus));
2104
2105                 try_return( ntStatus);
2106             }
2107
2108             if( pFcb->Header.NodeTypeCode == AFS_DIRECTORY_FCB)
2109             {
2110
2111                 //
2112                 // Reduce the Link count in the object information block
2113                 // to correspond with the deletion of the directory entry.
2114                 //
2115
2116                 pFcb->ObjectInformation->Links--;
2117
2118                 //
2119                 // Check if this is a directory that there are not currently other opens
2120                 //
2121
2122                 if( pFcb->ObjectInformation->Specific.Directory.ChildOpenHandleCount > 0)
2123                 {
2124
2125                     AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
2126                                   AFS_TRACE_LEVEL_ERROR,
2127                                   "AFSSetDispositionInfo Attempt to delete directory %wZ with open %u handles\n",
2128                                   &DirectoryCB->NameInformation.FileName,
2129                                   pFcb->ObjectInformation->Specific.Directory.ChildOpenHandleCount));
2130
2131                     try_return( ntStatus = STATUS_DIRECTORY_NOT_EMPTY);
2132                 }
2133
2134                 //
2135                 // Make sure the directory is enumerated before checking to see if it is empty.
2136                 //
2137
2138                 if( !BooleanFlagOn( pFcb->ObjectInformation->Flags, AFS_OBJECT_FLAGS_DIRECTORY_ENUMERATED))
2139                 {
2140
2141                     AFSAcquireExcl( pFcb->ObjectInformation->Specific.Directory.DirectoryNodeHdr.TreeLock,
2142                                     TRUE);
2143
2144                     if( !BooleanFlagOn( pFcb->ObjectInformation->Flags, AFS_OBJECT_FLAGS_DIRECTORY_ENUMERATED))
2145                     {
2146
2147                         AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
2148                                       AFS_TRACE_LEVEL_VERBOSE,
2149                                       "AFSSetDispositionInfo Enumerating parent FID %08lX-%08lX-%08lX-%08lX\n",
2150                                       pFcb->ObjectInformation->FileId.Cell,
2151                                       pFcb->ObjectInformation->FileId.Volume,
2152                                       pFcb->ObjectInformation->FileId.Vnode,
2153                                       pFcb->ObjectInformation->FileId.Unique));
2154
2155                         ntStatus = AFSEnumerateDirectory( &pCcb->AuthGroup,
2156                                                           pFcb->ObjectInformation,
2157                                                           TRUE);
2158
2159                         if( !NT_SUCCESS( ntStatus))
2160                         {
2161
2162                             AFSReleaseResource( pFcb->ObjectInformation->Specific.Directory.DirectoryNodeHdr.TreeLock);
2163
2164                             AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
2165                                           AFS_TRACE_LEVEL_ERROR,
2166                                           "AFSSetDispositionInfo Failed to enumerate parent FID %08lX-%08lX-%08lX-%08lX Status %08lX\n",
2167                                           pFcb->ObjectInformation->FileId.Cell,
2168                                           pFcb->ObjectInformation->FileId.Volume,
2169                                           pFcb->ObjectInformation->FileId.Vnode,
2170                                           pFcb->ObjectInformation->FileId.Unique,
2171                                           ntStatus));
2172
2173                             try_return( ntStatus);
2174                         }
2175                     }
2176
2177                     AFSReleaseResource( pFcb->ObjectInformation->Specific.Directory.DirectoryNodeHdr.TreeLock);
2178                 }
2179
2180                 if( !AFSIsDirectoryEmptyForDelete( pFcb))
2181                 {
2182
2183                     AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
2184                                   AFS_TRACE_LEVEL_ERROR,
2185                                   "AFSSetDispositionInfo Attempt to delete non-empty directory %wZ\n",
2186                                   &DirectoryCB->NameInformation.FileName));
2187
2188                     try_return( ntStatus = STATUS_DIRECTORY_NOT_EMPTY);
2189                 }
2190
2191                 AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
2192                               AFS_TRACE_LEVEL_VERBOSE,
2193                               "AFSSetDispositionInfo Setting PENDING_DELETE on DirEntry  %p Name %wZ\n",
2194                               DirectoryCB,
2195                               &DirectoryCB->NameInformation.FileName));
2196
2197                 SetFlag( pCcb->DirectoryCB->Flags, AFS_DIR_ENTRY_PENDING_DELETE);
2198             }
2199             else if( pFcb->Header.NodeTypeCode == AFS_FILE_FCB)
2200             {
2201                 BOOLEAN bMmFlushed;
2202
2203                 AFSDbgTrace(( AFS_SUBSYSTEM_LOCK_PROCESSING,
2204                               AFS_TRACE_LEVEL_VERBOSE,
2205                               "AFSSetDispositionInfo Acquiring Fcb SectionObject lock %p EXCL %08lX\n",
2206                               &pFcb->NPFcb->SectionObjectResource,
2207                               PsGetCurrentThread()));
2208
2209                 AFSAcquireExcl( &pFcb->NPFcb->SectionObjectResource,
2210                                 TRUE);
2211
2212                 //
2213                 // Attempt to flush any outstanding data
2214                 //
2215
2216                 bMmFlushed = MmFlushImageSection( &pFcb->NPFcb->SectionObjectPointers,
2217                                                   MmFlushForDelete);
2218
2219                 if ( bMmFlushed)
2220                 {
2221
2222                     //
2223                     // Set PENDING_DELETE before CcPurgeCacheSection to avoid a
2224                     // deadlock with Trend Micro's Enterprise anti-virus product
2225                     // which attempts to open the file which is being deleted.
2226                     //
2227
2228                     AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
2229                                   AFS_TRACE_LEVEL_VERBOSE,
2230                                   "AFSSetDispositionInfo Setting PENDING_DELETE on DirEntry %p Name %wZ\n",
2231                                   DirectoryCB,
2232                                   &DirectoryCB->NameInformation.FileName));
2233
2234                     SetFlag( pCcb->DirectoryCB->Flags, AFS_DIR_ENTRY_PENDING_DELETE);
2235
2236                     //
2237                     // Purge the cache as well
2238                     //
2239
2240                     if( pFcb->NPFcb->SectionObjectPointers.DataSectionObject != NULL)
2241                     {
2242
2243                         if ( !CcPurgeCacheSection( &pFcb->NPFcb->SectionObjectPointers,
2244                                                    NULL,
2245                                                    0,
2246                                                    TRUE))
2247                         {
2248
2249                             SetFlag( pFcb->Flags, AFS_FCB_FLAG_PURGE_ON_CLOSE);
2250                         }
2251                     }
2252                 }
2253
2254                 AFSDbgTrace(( AFS_SUBSYSTEM_LOCK_PROCESSING,
2255                               AFS_TRACE_LEVEL_VERBOSE,
2256                               "AFSSetDispositionInfo Releasing Fcb SectionObject lock %p EXCL %08lX\n",
2257                               &pFcb->NPFcb->SectionObjectResource,
2258                               PsGetCurrentThread()));
2259
2260                 AFSReleaseResource( &pFcb->NPFcb->SectionObjectResource);
2261
2262                 if ( !bMmFlushed)
2263                 {
2264
2265                     AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
2266                                   AFS_TRACE_LEVEL_ERROR,
2267                                   "AFSSetDispositionInfo Failed to flush image section for delete Entry %wZ\n",
2268                                   &DirectoryCB->NameInformation.FileName));
2269
2270                     try_return( ntStatus = STATUS_CANNOT_DELETE);
2271                 }
2272             }
2273             else if( pFcb->Header.NodeTypeCode == AFS_SYMBOLIC_LINK_FCB ||
2274                      pFcb->Header.NodeTypeCode == AFS_MOUNT_POINT_FCB ||
2275                      pFcb->Header.NodeTypeCode == AFS_DFS_LINK_FCB ||
2276                      pFcb->Header.NodeTypeCode == AFS_INVALID_FCB)
2277             {
2278
2279                 AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
2280                               AFS_TRACE_LEVEL_VERBOSE,
2281                               "AFSSetDispositionInfo Setting PENDING_DELETE on DirEntry %p Name %wZ\n",
2282                               DirectoryCB,
2283                               &DirectoryCB->NameInformation.FileName));
2284
2285                 SetFlag( pCcb->DirectoryCB->Flags, AFS_DIR_ENTRY_PENDING_DELETE);
2286             }
2287         }
2288         else
2289         {
2290
2291             ClearFlag( pCcb->DirectoryCB->Flags, AFS_DIR_ENTRY_PENDING_DELETE);
2292         }
2293
2294         //
2295         // OK, should be good to go, set the flag in the file object
2296         //
2297
2298         pIrpSp->FileObject->DeletePending = pBuffer->DeleteFile;
2299
2300 try_exit:
2301
2302         NOTHING;
2303     }
2304
2305     return ntStatus;
2306 }
2307
2308 NTSTATUS
2309 AFSSetFileLinkInfo( IN PIRP Irp)
2310 {
2311
2312     NTSTATUS ntStatus = STATUS_SUCCESS;
2313     AFSDeviceExt *pDeviceExt = (AFSDeviceExt *)AFSRDRDeviceObject->DeviceExtension;
2314     PIO_STACK_LOCATION pIrpSp = IoGetCurrentIrpStackLocation( Irp);
2315     PFILE_LINK_INFORMATION pFileLinkInfo = NULL;
2316     PFILE_OBJECT pSrcFileObj = NULL;
2317     PFILE_OBJECT pTargetFileObj = pIrpSp->Parameters.SetFile.FileObject;
2318     AFSFcb *pSrcFcb = NULL, *pTargetDcb = NULL;
2319     AFSCcb *pSrcCcb = NULL, *pTargetDirCcb = NULL;
2320     AFSObjectInfoCB *pSrcObject = NULL;
2321     AFSObjectInfoCB *pSrcParentObject = NULL, *pTargetParentObject = NULL;
2322     UNICODE_STRING uniSourceName, uniTargetName;
2323     UNICODE_STRING uniFullTargetName, uniTargetParentName;
2324     BOOLEAN bCommonParent = FALSE;
2325     AFSDirectoryCB *pTargetDirEntry = NULL;
2326     AFSDirectoryCB *pNewTargetDirEntry = NULL;
2327     ULONG ulTargetCRC;
2328     BOOLEAN bTargetEntryExists = FALSE;
2329     LONG lCount;
2330     BOOLEAN bReleaseTargetDirLock = FALSE;
2331     ULONG ulNotificationAction = 0, ulNotifyFilter = 0;
2332
2333     __Enter
2334     {
2335
2336         pSrcFileObj = pIrpSp->FileObject;
2337
2338         pSrcFcb = (AFSFcb *)pSrcFileObj->FsContext;
2339         pSrcCcb = (AFSCcb *)pSrcFileObj->FsContext2;
2340
2341         pSrcObject = pSrcFcb->ObjectInformation;
2342
2343         if ( BooleanFlagOn( pSrcObject->Flags, AFS_OBJECT_FLAGS_PARENT_FID))
2344         {
2345
2346             pSrcParentObject = AFSFindObjectInfo( pSrcObject->VolumeCB,
2347                                                   &pSrcObject->ParentFileId,
2348                                                   TRUE);
2349         }
2350
2351         if( pSrcParentObject == NULL)
2352         {
2353
2354             AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
2355                           AFS_TRACE_LEVEL_ERROR,
2356                           "AFSSetFileLinkInfo Unable to resolve SrcParentObject (INVALID_PARAMETER)\n"));
2357
2358             ASSERT( FALSE);
2359
2360             try_return( ntStatus = STATUS_INVALID_PARAMETER);
2361         }
2362
2363         pFileLinkInfo = (PFILE_LINK_INFORMATION)Irp->AssociatedIrp.SystemBuffer;
2364
2365         //
2366         // Perform some basic checks to ensure FS integrity
2367         //
2368
2369         if( pSrcFcb->Header.NodeTypeCode != AFS_FILE_FCB)
2370         {
2371
2372             AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
2373                           AFS_TRACE_LEVEL_ERROR,
2374                           "AFSSetFileLinkInfo Attempt to non-file (INVALID_PARAMETER)\n"));
2375
2376             try_return( ntStatus = STATUS_INVALID_PARAMETER);
2377         }
2378
2379         if( pTargetFileObj == NULL)
2380         {
2381
2382             if ( pFileLinkInfo->RootDirectory)
2383             {
2384
2385                 //
2386                 // The target directory is provided by HANDLE
2387                 // RootDirectory is only set when the target directory is not the same
2388                 // as the source directory.
2389                 //
2390                 // AFS only supports hard links within a single directory.
2391                 //
2392                 // The IOManager should translate any Handle to a FileObject for us.
2393                 // However, the failure to receive a FileObject is treated as a fatal
2394                 // error.
2395                 //
2396
2397                 AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
2398                               AFS_TRACE_LEVEL_ERROR,
2399                               "AFSSetFileLinkInfo Attempt to link %wZ to alternate directory by handle INVALID_PARAMETER\n",
2400                               &pSrcCcb->DirectoryCB->NameInformation.FileName));
2401
2402                 try_return( ntStatus = STATUS_INVALID_PARAMETER);
2403             }
2404             else
2405             {
2406
2407                 uniFullTargetName.Length = (USHORT)pFileLinkInfo->FileNameLength;
2408
2409                 uniFullTargetName.Buffer = (PWSTR)&pFileLinkInfo->FileName;
2410
2411                 AFSRetrieveFinalComponent( &uniFullTargetName,
2412                                            &uniTargetName);
2413
2414                 AFSRetrieveParentPath( &uniFullTargetName,
2415                                        &uniTargetParentName);
2416
2417                 if ( uniTargetParentName.Length == 0)
2418                 {
2419
2420                     //
2421                     // This is a simple rename. Here the target directory is the same as the source parent directory
2422                     // and the name is retrieved from the system buffer information
2423                     //
2424
2425                     pTargetParentObject = pSrcParentObject;
2426                 }
2427                 else
2428                 {
2429                     //
2430                     // uniTargetParentName contains the directory the renamed object
2431                     // will be moved to.  Must obtain the TargetParentObject.
2432                     //
2433
2434                     AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
2435                                   AFS_TRACE_LEVEL_ERROR,
2436                                   "AFSSetFileLinkInfo Attempt to link  %wZ to alternate directory %wZ (NOT_SAME_DEVICE)\n",
2437                                   &pSrcCcb->DirectoryCB->NameInformation.FileName,
2438                                   &uniFullTargetName));
2439
2440                     try_return( ntStatus = STATUS_NOT_SAME_DEVICE);
2441                 }
2442             }
2443
2444             pTargetDcb = pTargetParentObject->Fcb;
2445         }
2446         else
2447         {
2448
2449             //
2450             // So here we have the target directory taken from the targetfile object
2451             //
2452
2453             pTargetDcb = (AFSFcb *)pTargetFileObj->FsContext;
2454
2455             pTargetDirCcb = (AFSCcb *)pTargetFileObj->FsContext2;
2456
2457             pTargetParentObject = (AFSObjectInfoCB *)pTargetDcb->ObjectInformation;
2458
2459             //
2460             // Grab the target name which we setup in the IRP_MJ_CREATE handler. By how we set this up
2461             // it is only the target component of the rename operation
2462             //
2463
2464             uniTargetName = *((PUNICODE_STRING)&pTargetFileObj->FileName);
2465         }
2466
2467         //
2468         // The quick check to see if they are self linking.
2469         // Do the names match? Only do this where the parent directories are
2470         // the same
2471         //
2472
2473         if( pTargetParentObject == pSrcParentObject)
2474         {
2475
2476             if( FsRtlAreNamesEqual( &uniTargetName,
2477                                     &uniSourceName,
2478                                     FALSE,
2479                                     NULL))
2480             {
2481                 try_return( ntStatus = STATUS_SUCCESS);
2482             }
2483
2484             bCommonParent = TRUE;
2485         }
2486         else
2487         {
2488
2489             //
2490             // We do not allow cross-volume hard links
2491             //
2492
2493             if( pTargetParentObject->VolumeCB != pSrcObject->VolumeCB)
2494             {
2495
2496                 AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
2497                               AFS_TRACE_LEVEL_ERROR,
2498                               "AFSSetFileLinkInfo Attempt to link to different volume %wZ\n",
2499                               &pSrcCcb->DirectoryCB->NameInformation.FileName));
2500
2501                 try_return( ntStatus = STATUS_NOT_SAME_DEVICE);
2502             }
2503         }
2504
2505         ulTargetCRC = AFSGenerateCRC( &uniTargetName,
2506                                       FALSE);
2507
2508         AFSAcquireExcl( pTargetParentObject->Specific.Directory.DirectoryNodeHdr.TreeLock,
2509                         TRUE);
2510
2511         bReleaseTargetDirLock = TRUE;
2512
2513         AFSLocateCaseSensitiveDirEntry( pTargetParentObject->Specific.Directory.DirectoryNodeHdr.CaseSensitiveTreeHead,
2514                                         ulTargetCRC,
2515                                         &pTargetDirEntry);
2516
2517         if( pTargetDirEntry == NULL)
2518         {
2519
2520             //
2521             // Missed so perform a case insensitive lookup
2522             //
2523
2524             ulTargetCRC = AFSGenerateCRC( &uniTargetName,
2525                                           TRUE);
2526
2527             AFSLocateCaseInsensitiveDirEntry( pTargetParentObject->Specific.Directory.DirectoryNodeHdr.CaseInsensitiveTreeHead,
2528                                               ulTargetCRC,
2529                                               &pTargetDirEntry);
2530         }
2531
2532         if ( !BooleanFlagOn( pDeviceExt->DeviceFlags, AFS_DEVICE_FLAG_DISABLE_SHORTNAMES) &&
2533              pTargetDirEntry == NULL && RtlIsNameLegalDOS8Dot3( &uniTargetName,
2534                                                                 NULL,
2535                                                                 NULL))
2536         {
2537             //
2538             // Try the short name
2539             //
2540             AFSLocateShortNameDirEntry( pTargetParentObject->Specific.Directory.ShortNameTree,
2541                                         ulTargetCRC,
2542                                         &pTargetDirEntry);
2543         }
2544
2545         //
2546         // Increment our ref count on the dir entry
2547         //
2548
2549         if( pTargetDirEntry != NULL)
2550         {
2551
2552             ASSERT( BooleanFlagOn( pTargetDirEntry->ObjectInformation->Flags, AFS_OBJECT_FLAGS_PARENT_FID) &&
2553                     AFSIsEqualFID( &pTargetParentObject->FileId, &pTargetDirEntry->ObjectInformation->ParentFileId));
2554
2555             lCount = InterlockedIncrement( &pTargetDirEntry->DirOpenReferenceCount);
2556
2557             AFSDbgTrace(( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
2558                           AFS_TRACE_LEVEL_VERBOSE,
2559                           "AFSSetFileLinkInfo Increment count on %wZ DE %p Ccb %p Cnt %d\n",
2560                           &pTargetDirEntry->NameInformation.FileName,
2561                           pTargetDirEntry,
2562                           pSrcCcb,
2563                           lCount));
2564
2565             ASSERT( lCount >= 0);
2566
2567             if( !pFileLinkInfo->ReplaceIfExists)
2568             {
2569
2570                 AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
2571                               AFS_TRACE_LEVEL_ERROR,
2572                               "AFSSetFileLinkInfo Attempt to link with target collision %wZ Target %wZ\n",
2573                               &pSrcCcb->DirectoryCB->NameInformation.FileName,
2574                               &pTargetDirEntry->NameInformation.FileName));
2575
2576                 try_return( ntStatus = STATUS_OBJECT_NAME_COLLISION);
2577             }
2578
2579             AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING | AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
2580                           AFS_TRACE_LEVEL_ERROR,
2581                           "AFSSetFileLinkInfo Target %wZ exists DE %p Count %d, performing delete of target\n",
2582                           &pTargetDirEntry->NameInformation.FileName,
2583                           pTargetDirEntry,
2584                           lCount));
2585
2586             //
2587             // Pull the directory entry from the parent
2588             //
2589
2590             AFSRemoveDirNodeFromParent( pTargetParentObject,
2591                                         pTargetDirEntry,
2592                                         FALSE);
2593
2594             bTargetEntryExists = TRUE;
2595         }
2596         else
2597         {
2598             AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
2599                           AFS_TRACE_LEVEL_VERBOSE,
2600                           "AFSSetFileLinkInfo Target does NOT exist, normal linking\n"));
2601         }
2602
2603         //
2604         // OK, this is a simple rename. Issue the rename
2605         // request to the service.
2606         //
2607
2608         ntStatus = AFSNotifyHardLink( pSrcObject,
2609                                       &pSrcCcb->AuthGroup,
2610                                       pSrcParentObject,
2611                                       pTargetDcb->ObjectInformation,
2612                                       pSrcCcb->DirectoryCB,
2613                                       &uniTargetName,
2614                                       pFileLinkInfo->ReplaceIfExists,
2615                                       &pNewTargetDirEntry);
2616
2617         if( ntStatus != STATUS_REPARSE &&
2618             !NT_SUCCESS( ntStatus))
2619         {
2620
2621             AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
2622                           AFS_TRACE_LEVEL_ERROR,
2623                           "AFSSetFileLinkInfo Failed link of %wZ to target %wZ Status %08lX\n",
2624                           &pSrcCcb->DirectoryCB->NameInformation.FileName,
2625                           &uniTargetName,
2626                           ntStatus));
2627
2628             try_return( ntStatus);
2629         }
2630
2631         if ( ntStatus != STATUS_REPARSE)
2632         {
2633
2634             AFSInsertDirectoryNode( pTargetDcb->ObjectInformation,
2635                                     pNewTargetDirEntry,
2636                                     TRUE);
2637         }
2638
2639         //
2640         // Send notification for the target link file
2641         //
2642
2643         if( bTargetEntryExists || pNewTargetDirEntry)
2644         {
2645
2646             ulNotificationAction = FILE_ACTION_MODIFIED;
2647         }
2648         else
2649         {
2650
2651             ulNotificationAction = FILE_ACTION_ADDED;
2652         }
2653
2654         AFSFsRtlNotifyFullReportChange( pTargetParentObject,
2655                                         pSrcCcb,
2656                                         (ULONG)ulNotifyFilter,
2657                                         (ULONG)ulNotificationAction);
2658
2659       try_exit:
2660
2661         if( !NT_SUCCESS( ntStatus))
2662         {
2663
2664             if( bTargetEntryExists)
2665             {
2666
2667                 AFSInsertDirectoryNode( pTargetParentObject,
2668                                         pTargetDirEntry,
2669                                         FALSE);
2670             }
2671         }
2672
2673         if( pTargetDirEntry != NULL)
2674         {
2675
2676             //
2677             // Release DirOpenReferenceCount obtained above
2678             //
2679
2680             lCount = InterlockedDecrement( &pTargetDirEntry->DirOpenReferenceCount);
2681
2682             AFSDbgTrace(( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
2683                           AFS_TRACE_LEVEL_VERBOSE,
2684                           "AFSSetFileLinkInfo Decrement count on %wZ DE %p Ccb %p Cnt %d\n",
2685                           &pTargetDirEntry->NameInformation.FileName,
2686                           pTargetDirEntry,
2687                           pSrcCcb,
2688                           lCount));
2689
2690             ASSERT( lCount >= 0);
2691         }
2692
2693         if( pNewTargetDirEntry != NULL)
2694         {
2695
2696             //
2697             // Release DirOpenReferenceCount obtained from AFSNotifyHardLink
2698             //
2699
2700             lCount = InterlockedDecrement( &pNewTargetDirEntry->DirOpenReferenceCount);
2701
2702             AFSDbgTrace(( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
2703                           AFS_TRACE_LEVEL_VERBOSE,
2704                           "AFSSetFileLinkInfo Decrement count on %wZ DE %p Ccb %p Cnt %d\n",
2705                           &pNewTargetDirEntry->NameInformation.FileName,
2706                           pNewTargetDirEntry,
2707                           pSrcCcb,
2708                           lCount));
2709
2710             ASSERT( lCount >= 0);
2711         }
2712
2713         if( bReleaseTargetDirLock)
2714         {
2715
2716             AFSReleaseResource( pTargetParentObject->Specific.Directory.DirectoryNodeHdr.TreeLock);
2717         }
2718
2719         if ( pSrcParentObject != NULL)
2720         {
2721
2722             AFSReleaseObjectInfo( &pSrcParentObject);
2723         }
2724
2725         //
2726         // No need to release pTargetParentObject as it is either a copy of pSrcParentObject
2727         // or (AFSFcb *)pTargetFileObj->FsContext->ObjectInformation
2728         //
2729
2730         pTargetParentObject = NULL;
2731     }
2732
2733     return ntStatus;
2734 }
2735
2736 NTSTATUS
2737 AFSSetRenameInfo( IN PIRP Irp)
2738 {
2739
2740     NTSTATUS ntStatus = STATUS_SUCCESS;
2741     AFSDeviceExt *pDeviceExt = (AFSDeviceExt *)AFSRDRDeviceObject->DeviceExtension;
2742     PIO_STACK_LOCATION pIrpSp = IoGetCurrentIrpStackLocation( Irp);
2743     AFSFcb *pSrcFcb = NULL, *pTargetDcb = NULL, *pTargetFcb = NULL;
2744     AFSCcb *pSrcCcb = NULL, *pTargetDirCcb = NULL;
2745     PFILE_OBJECT pSrcFileObj = pIrpSp->FileObject;
2746     PFILE_OBJECT pTargetFileObj = pIrpSp->Parameters.SetFile.FileObject;
2747     PFILE_OBJECT pTargetParentFileObj = NULL;
2748     PFILE_RENAME_INFORMATION pRenameInfo = NULL;
2749     UNICODE_STRING uniTargetName, uniSourceName, uniTargetParentName;
2750     BOOLEAN bReplaceIfExists = FALSE;
2751     UNICODE_STRING uniShortName;
2752     AFSDirectoryCB *pTargetDirEntry = NULL;
2753     ULONG ulTargetCRC = 0;
2754     BOOLEAN bTargetEntryExists = FALSE;
2755     AFSObjectInfoCB *pSrcObject = NULL;
2756     AFSObjectInfoCB *pSrcParentObject = NULL, *pTargetParentObject = NULL;
2757     AFSFileID stNewFid;
2758     ULONG ulNotificationAction = 0, ulNotifyFilter = 0;
2759     UNICODE_STRING uniFullTargetName;
2760     BOOLEAN bCommonParent = FALSE;
2761     BOOLEAN bReleaseTargetDirLock = FALSE;
2762     BOOLEAN bReleaseSourceDirLock = FALSE;
2763     BOOLEAN bDereferenceTargetParentObject = FALSE;
2764     PERESOURCE  pSourceDirLock = NULL;
2765     LONG lCount;
2766
2767     __Enter
2768     {
2769
2770         bReplaceIfExists = pIrpSp->Parameters.SetFile.ReplaceIfExists;
2771
2772         pRenameInfo = (PFILE_RENAME_INFORMATION)Irp->AssociatedIrp.SystemBuffer;
2773
2774         pSrcFcb = (AFSFcb *)pSrcFileObj->FsContext;
2775         pSrcCcb = (AFSCcb *)pSrcFileObj->FsContext2;
2776
2777         pSrcObject = pSrcFcb->ObjectInformation;
2778
2779         if ( BooleanFlagOn( pSrcObject->Flags, AFS_OBJECT_FLAGS_PARENT_FID))
2780         {
2781
2782             pSrcParentObject = AFSFindObjectInfo( pSrcObject->VolumeCB,
2783                                                   &pSrcObject->ParentFileId,
2784                                                   TRUE);
2785         }
2786
2787         if( pSrcParentObject == NULL)
2788         {
2789
2790             AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
2791                           AFS_TRACE_LEVEL_ERROR,
2792                           "AFSSetRenameInfo Unable to resolve SrcParentObject (INVALID_PARAMETER)\n"));
2793
2794             ASSERT( FALSE);
2795
2796             try_return( ntStatus = STATUS_INVALID_PARAMETER);
2797         }
2798
2799         //
2800         // Perform some basic checks to ensure FS integrity
2801         //
2802
2803         if( pSrcFcb->Header.NodeTypeCode == AFS_ROOT_FCB)
2804         {
2805
2806             //
2807             // Can't rename the root directory
2808             //
2809
2810             AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
2811                           AFS_TRACE_LEVEL_ERROR,
2812                           "AFSSetRenameInfo Attempt to rename root entry\n"));
2813
2814             try_return( ntStatus = STATUS_INVALID_PARAMETER);
2815         }
2816
2817         if( pSrcFcb->Header.NodeTypeCode == AFS_DIRECTORY_FCB)
2818         {
2819
2820             //
2821             // If there are any open children then fail the rename
2822             //
2823
2824             if( pSrcObject->Specific.Directory.ChildOpenHandleCount > 0)
2825             {
2826
2827                 AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
2828                               AFS_TRACE_LEVEL_ERROR,
2829                               "AFSSetRenameInfo Attempt to rename directory with open children %wZ\n",
2830                               &pSrcCcb->DirectoryCB->NameInformation.FileName));
2831
2832                 try_return( ntStatus = STATUS_ACCESS_DENIED);
2833             }
2834         }
2835
2836
2837         //
2838         // Extract off the final component name from the Fcb
2839         //
2840
2841         uniSourceName.Length = (USHORT)pSrcCcb->DirectoryCB->NameInformation.FileName.Length;
2842         uniSourceName.MaximumLength = uniSourceName.Length;
2843
2844         uniSourceName.Buffer = pSrcCcb->DirectoryCB->NameInformation.FileName.Buffer;
2845
2846         //
2847         // Resolve the target fileobject
2848         //
2849
2850         if( pTargetFileObj == NULL)
2851         {
2852
2853             if ( pRenameInfo->RootDirectory)
2854             {
2855
2856                 AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
2857                               AFS_TRACE_LEVEL_ERROR,
2858                               "AFSSetRenameInfo Handle provided but no FileObject ntStatus INVALID_PARAMETER\n"));
2859
2860                 try_return( ntStatus = STATUS_INVALID_PARAMETER);
2861             }
2862             else
2863             {
2864
2865                 uniFullTargetName.Length = (USHORT)pRenameInfo->FileNameLength;
2866
2867                 uniFullTargetName.Buffer = (PWSTR)&pRenameInfo->FileName;
2868
2869                 AFSRetrieveFinalComponent( &uniFullTargetName,
2870                                            &uniTargetName);
2871
2872                 AFSRetrieveParentPath( &uniFullTargetName,
2873                                        &uniTargetParentName);
2874
2875                 if ( uniTargetParentName.Length == 0)
2876                 {
2877
2878                     //
2879                     // This is a simple rename. Here the target directory is the same as the source parent directory
2880                     // and the name is retrieved from the system buffer information
2881                     //
2882
2883                     pTargetParentObject = pSrcParentObject;
2884                 }
2885                 else
2886                 {
2887                     //
2888                     // uniTargetParentName contains the directory the renamed object
2889                     // will be moved to.  Must obtain the TargetParentObject.
2890                     //
2891
2892                     AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
2893                                   AFS_TRACE_LEVEL_ERROR,
2894                                   "AFSSetRenameInfo Attempt to move %wZ to %wZ -- not yet supported (NOT_SAME_DEVICE)\n",
2895                                   &pSrcCcb->DirectoryCB->NameInformation.FileName,
2896                                   &uniFullTargetName));
2897
2898                     try_return( ntStatus = STATUS_NOT_SAME_DEVICE);
2899                 }
2900             }
2901
2902             pTargetDcb = pTargetParentObject->Fcb;
2903         }
2904         else
2905         {
2906
2907             //
2908             // So here we have the target directory taken from the targetfile object
2909             //
2910
2911             pTargetDcb = (AFSFcb *)pTargetFileObj->FsContext;
2912
2913             pTargetDirCcb = (AFSCcb *)pTargetFileObj->FsContext2;
2914
2915             pTargetParentObject = (AFSObjectInfoCB *)pTargetDcb->ObjectInformation;
2916
2917             //
2918             // Grab the target name which we setup in the IRP_MJ_CREATE handler. By how we set this up
2919             // it is only the target component of the rename operation
2920             //
2921
2922             uniTargetName = *((PUNICODE_STRING)&pTargetFileObj->FileName);
2923         }
2924
2925         //
2926         // The quick check to see if they are not really performing a rename
2927         // Do the names match? Only do this where the parent directories are
2928         // the same
2929         //
2930
2931         if( pTargetParentObject == pSrcParentObject)
2932         {
2933
2934             if( FsRtlAreNamesEqual( &uniTargetName,
2935                                     &uniSourceName,
2936                                     FALSE,
2937                                     NULL))
2938             {
2939                 try_return( ntStatus = STATUS_SUCCESS);
2940             }
2941
2942             bCommonParent = TRUE;
2943         }
2944         else
2945         {
2946
2947             bCommonParent = FALSE;
2948         }
2949
2950         //
2951         // We do not allow cross-volume renames to occur
2952         //
2953
2954         if( pTargetParentObject->VolumeCB != pSrcObject->VolumeCB)
2955         {
2956
2957             AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
2958                           AFS_TRACE_LEVEL_ERROR,
2959                           "AFSSetRenameInfo Attempt to rename directory to different volume %wZ\n",
2960                           &pSrcCcb->DirectoryCB->NameInformation.FileName));
2961
2962             try_return( ntStatus = STATUS_NOT_SAME_DEVICE);
2963         }
2964
2965         ulTargetCRC = AFSGenerateCRC( &uniTargetName,
2966                                       FALSE);
2967
2968         AFSAcquireExcl( pTargetParentObject->Specific.Directory.DirectoryNodeHdr.TreeLock,
2969                         TRUE);
2970
2971         bReleaseTargetDirLock = TRUE;
2972
2973         if( pTargetParentObject != pSrcParentObject)
2974         {
2975             AFSAcquireExcl( pSrcParentObject->Specific.Directory.DirectoryNodeHdr.TreeLock,
2976                             TRUE);
2977
2978             bReleaseSourceDirLock = TRUE;
2979
2980             pSourceDirLock = pSrcParentObject->Specific.Directory.DirectoryNodeHdr.TreeLock;
2981         }
2982
2983         AFSLocateCaseSensitiveDirEntry( pTargetParentObject->Specific.Directory.DirectoryNodeHdr.CaseSensitiveTreeHead,
2984                                         ulTargetCRC,
2985                                         &pTargetDirEntry);
2986
2987         if( pTargetDirEntry == NULL)
2988         {
2989
2990             //
2991             // Missed so perform a case insensitive lookup
2992             //
2993
2994             ulTargetCRC = AFSGenerateCRC( &uniTargetName,
2995                                           TRUE);
2996
2997             AFSLocateCaseInsensitiveDirEntry( pTargetParentObject->Specific.Directory.DirectoryNodeHdr.CaseInsensitiveTreeHead,
2998                                               ulTargetCRC,
2999                                               &pTargetDirEntry);
3000         }
3001
3002         if ( !BooleanFlagOn( pDeviceExt->DeviceFlags, AFS_DEVICE_FLAG_DISABLE_SHORTNAMES) &&
3003              pTargetDirEntry == NULL && RtlIsNameLegalDOS8Dot3( &uniTargetName,
3004                                                                NULL,
3005                                                                NULL))
3006         {
3007             //
3008             // Try the short name
3009             //
3010             AFSLocateShortNameDirEntry( pTargetParentObject->Specific.Directory.ShortNameTree,
3011                                         ulTargetCRC,
3012                                         &pTargetDirEntry);
3013         }
3014
3015         //
3016         // Increment our ref count on the dir entry
3017         //
3018
3019         if( pTargetDirEntry != NULL)
3020         {
3021
3022             ASSERT( BooleanFlagOn( pTargetDirEntry->ObjectInformation->Flags, AFS_OBJECT_FLAGS_PARENT_FID) &&
3023                     AFSIsEqualFID( &pTargetParentObject->FileId, &pTargetDirEntry->ObjectInformation->ParentFileId));
3024
3025             lCount = InterlockedIncrement( &pTargetDirEntry->DirOpenReferenceCount);
3026
3027             AFSDbgTrace(( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
3028                           AFS_TRACE_LEVEL_VERBOSE,
3029                           "AFSSetRenameInfo Increment count on %wZ DE %p Ccb %p Cnt %d\n",
3030                           &pTargetDirEntry->NameInformation.FileName,
3031                           pTargetDirEntry,
3032                           pSrcCcb,
3033                           lCount));
3034
3035             ASSERT( lCount >= 0);
3036
3037             if( !bReplaceIfExists)
3038             {
3039
3040                 AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
3041                               AFS_TRACE_LEVEL_ERROR,
3042                               "AFSSetRenameInfo Attempt to rename directory with target collision %wZ Target %wZ\n",
3043                               &pSrcCcb->DirectoryCB->NameInformation.FileName,
3044                               &pTargetDirEntry->NameInformation.FileName));
3045
3046                 try_return( ntStatus = STATUS_OBJECT_NAME_COLLISION);
3047             }
3048
3049             AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING | AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
3050                           AFS_TRACE_LEVEL_ERROR,
3051                           "AFSSetRenameInfo Target %wZ exists DE %p Count %d, performing delete of target\n",
3052                           &pTargetDirEntry->NameInformation.FileName,
3053                           pTargetDirEntry,
3054                           lCount));
3055
3056             //
3057             // Pull the directory entry from the parent
3058             //
3059
3060             AFSRemoveDirNodeFromParent( pTargetParentObject,
3061                                         pTargetDirEntry,
3062                                         FALSE);
3063
3064             bTargetEntryExists = TRUE;
3065         }
3066         else
3067         {
3068             AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
3069                           AFS_TRACE_LEVEL_VERBOSE,
3070                           "AFSSetRenameInfo Target does NOT exist, normal rename\n"));
3071         }
3072
3073         //
3074         // We need to remove the DirEntry from the parent node, update the index
3075         // and reinsert it into the parent tree. Note that for entries with the
3076         // same parent we do not pull the node from the enumeration list
3077         //
3078
3079         AFSRemoveDirNodeFromParent( pSrcParentObject,
3080                                     pSrcCcb->DirectoryCB,
3081                                     !bCommonParent);
3082
3083         //
3084         // OK, this is a simple rename. Issue the rename
3085         // request to the service.
3086         //
3087
3088         ntStatus = AFSNotifyRename( pSrcObject,
3089                                     &pSrcCcb->AuthGroup,
3090                                     pSrcParentObject,
3091                                     pTargetDcb->ObjectInformation,
3092                                     pSrcCcb->DirectoryCB,
3093                                     &uniTargetName,
3094                                     &stNewFid);
3095
3096         if( !NT_SUCCESS( ntStatus))
3097         {
3098
3099             //
3100             // Attempt to re-insert the directory entry
3101             //
3102
3103             AFSInsertDirectoryNode( pSrcParentObject,
3104                                     pSrcCcb->DirectoryCB,
3105                                     !bCommonParent);
3106
3107             AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
3108                           AFS_TRACE_LEVEL_ERROR,
3109                           "AFSSetRenameInfo Failed rename of %wZ to target %wZ Status %08lX\n",
3110                           &pSrcCcb->DirectoryCB->NameInformation.FileName,
3111                           &uniTargetName,
3112                           ntStatus));
3113
3114             try_return( ntStatus);
3115         }
3116
3117         //
3118         // Set the notification up for the source file
3119         //
3120
3121         if( pSrcParentObject == pTargetParentObject &&
3122             !bTargetEntryExists)
3123         {
3124
3125             ulNotificationAction = FILE_ACTION_RENAMED_OLD_NAME;
3126         }
3127         else
3128         {
3129
3130             ulNotificationAction = FILE_ACTION_REMOVED;
3131         }
3132
3133         if( pSrcObject->FileType == AFS_FILE_TYPE_DIRECTORY)
3134         {
3135
3136             ulNotifyFilter = FILE_NOTIFY_CHANGE_DIR_NAME;
3137         }
3138         else
3139         {
3140
3141             ulNotifyFilter = FILE_NOTIFY_CHANGE_FILE_NAME;
3142         }
3143
3144         AFSFsRtlNotifyFullReportChange( pSrcParentObject,
3145                                         pSrcCcb,
3146                                         (ULONG)ulNotifyFilter,
3147                                         (ULONG)ulNotificationAction);
3148
3149         //
3150         // Update the name in the dir entry.
3151         //
3152
3153         ntStatus = AFSUpdateDirEntryName( pSrcCcb->DirectoryCB,
3154                                           &uniTargetName);
3155
3156         if( !NT_SUCCESS( ntStatus))
3157         {
3158
3159             //
3160             // Attempt to re-insert the directory entry
3161             //
3162
3163             AFSInsertDirectoryNode( pSrcParentObject,
3164                                     pSrcCcb->DirectoryCB,
3165                                     !bCommonParent);
3166
3167             AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
3168                           AFS_TRACE_LEVEL_ERROR,
3169                           "AFSSetRenameInfo Failed update of dir entry %wZ to target %wZ Status %08lX\n",
3170                           &pSrcCcb->DirectoryCB->NameInformation.FileName,
3171                           &uniTargetName,
3172                           ntStatus));
3173
3174             try_return( ntStatus);
3175         }
3176
3177         //
3178         // Update the object information block, if needed
3179         //
3180
3181         if( !AFSIsEqualFID( &pSrcObject->FileId,
3182                             &stNewFid))
3183         {
3184
3185             AFSAcquireExcl( pSrcObject->VolumeCB->ObjectInfoTree.TreeLock,
3186                             TRUE);
3187
3188             //
3189             // Remove the old information entry
3190             //
3191
3192             AFSRemoveHashEntry( &pSrcObject->VolumeCB->ObjectInfoTree.TreeHead,
3193                                 &pSrcObject->TreeEntry);
3194
3195             RtlCopyMemory( &pSrcObject->FileId,
3196                            &stNewFid,
3197                            sizeof( AFSFileID));
3198
3199             //
3200             // Insert the entry into the new object table.
3201             //
3202
3203             pSrcObject->TreeEntry.HashIndex = AFSCreateLowIndex( &pSrcObject->FileId);
3204
3205             if( pSrcObject->VolumeCB->ObjectInfoTree.TreeHead == NULL)
3206             {
3207
3208                 pSrcObject->VolumeCB->ObjectInfoTree.TreeHead = &pSrcObject->TreeEntry;
3209             }
3210             else
3211             {
3212
3213                 if ( !NT_SUCCESS( AFSInsertHashEntry( pSrcObject->VolumeCB->ObjectInfoTree.TreeHead,
3214                                                      &pSrcObject->TreeEntry)))
3215                 {
3216
3217                     //
3218                     // Lost a race, an ObjectInfo object already exists for this FID.
3219                     // Let this copy be garbage collected.
3220                     //
3221
3222                     ClearFlag( pSrcObject->Flags, AFS_OBJECT_INSERTED_HASH_TREE);
3223                 }
3224             }
3225
3226             AFSReleaseResource( pSrcObject->VolumeCB->ObjectInfoTree.TreeLock);
3227         }
3228
3229         //
3230         // Update the hash values for the name trees.
3231         //
3232
3233         pSrcCcb->DirectoryCB->CaseSensitiveTreeEntry.HashIndex = AFSGenerateCRC( &pSrcCcb->DirectoryCB->NameInformation.FileName,
3234                                                                                  FALSE);
3235
3236         pSrcCcb->DirectoryCB->CaseInsensitiveTreeEntry.HashIndex = AFSGenerateCRC( &pSrcCcb->DirectoryCB->NameInformation.FileName,
3237                                                                                    TRUE);
3238
3239         if( !BooleanFlagOn( pDeviceExt->DeviceFlags, AFS_DEVICE_FLAG_DISABLE_SHORTNAMES) &&
3240             pSrcCcb->DirectoryCB->NameInformation.ShortNameLength > 0 &&
3241             !RtlIsNameLegalDOS8Dot3( &pSrcCcb->DirectoryCB->NameInformation.FileName,
3242                                      NULL,
3243                                      NULL))
3244         {
3245
3246             uniShortName.Length = pSrcCcb->DirectoryCB->NameInformation.ShortNameLength;
3247             uniShortName.MaximumLength = uniShortName.Length;
3248             uniShortName.Buffer = pSrcCcb->DirectoryCB->NameInformation.ShortName;
3249
3250             pSrcCcb->DirectoryCB->Type.Data.ShortNameTreeEntry.HashIndex = AFSGenerateCRC( &uniShortName,
3251                                                                                            TRUE);
3252
3253             AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
3254                           AFS_TRACE_LEVEL_VERBOSE,
3255                           "AFSSetRenameInfo Initialized short name hash for %wZ longname %wZ\n",
3256                           &uniShortName,
3257                           &pSrcCcb->DirectoryCB->NameInformation.FileName));
3258         }
3259         else
3260         {
3261
3262             pSrcCcb->DirectoryCB->Type.Data.ShortNameTreeEntry.HashIndex = 0;
3263         }
3264
3265         if( !bCommonParent)
3266         {
3267
3268             //
3269             // Update the file index for the object in the new parent
3270             //
3271
3272             pSrcCcb->DirectoryCB->FileIndex = (ULONG)InterlockedIncrement( &pTargetParentObject->Specific.Directory.DirectoryNodeHdr.ContentIndex);
3273         }
3274
3275         //
3276         // Re-insert the directory entry
3277         //
3278
3279         AFSInsertDirectoryNode( pTargetParentObject,
3280                                 pSrcCcb->DirectoryCB,
3281                                 !bCommonParent);
3282
3283         //
3284         // Update the parent pointer in the source object if they are different
3285         //
3286
3287         if( pSrcParentObject != pTargetParentObject)
3288         {
3289
3290             lCount = InterlockedDecrement( &pSrcParentObject->Specific.Directory.ChildOpenHandleCount);
3291
3292             lCount = InterlockedDecrement( &pSrcParentObject->Specific.Directory.ChildOpenReferenceCount);
3293
3294             lCount = InterlockedIncrement( &pTargetParentObject->Specific.Directory.ChildOpenHandleCount);
3295
3296             lCount = InterlockedIncrement( &pTargetParentObject->Specific.Directory.ChildOpenReferenceCount);
3297
3298
3299             //
3300             // Guaranteed to be in the same volume
3301             //
3302
3303             AFSAcquireExcl( pSrcParentObject->VolumeCB->ObjectInfoTree.TreeLock,
3304                             TRUE);
3305
3306             lCount = AFSObjectInfoIncrement( pTargetParentObject,
3307                                              AFS_OBJECT_REFERENCE_CHILD);
3308
3309             AFSDbgTrace(( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
3310                           AFS_TRACE_LEVEL_VERBOSE,
3311                           "AFSSetRenameInfo Increment count on parent object %p Cnt %d\n",
3312                           pTargetParentObject,
3313                           lCount));
3314
3315             lCount = AFSObjectInfoDecrement( pSrcParentObject,
3316                                              AFS_OBJECT_REFERENCE_CHILD);
3317
3318             AFSDbgTrace(( AFS_SUBSYSTEM_OBJECT_REF_COUNTING,
3319                           AFS_TRACE_LEVEL_VERBOSE,
3320                           "AFSSetRenameInfo Decrement count on parent object %p Cnt %d\n",
3321                           pSrcParentObject,
3322                           lCount));
3323
3324             pSrcObject->ParentFileId = pTargetParentObject->FileId;
3325
3326             SetFlag( pSrcObject->Flags, AFS_OBJECT_FLAGS_PARENT_FID);
3327
3328             AFSReleaseResource( pSrcParentObject->VolumeCB->ObjectInfoTree.TreeLock);
3329
3330             ulNotificationAction = FILE_ACTION_ADDED;
3331         }
3332         else
3333         {
3334
3335             ulNotificationAction = FILE_ACTION_RENAMED_NEW_NAME;
3336         }
3337
3338         //
3339         // Now update the notification for the target file
3340         //
3341
3342         AFSFsRtlNotifyFullReportChange( pTargetParentObject,
3343                                         pSrcCcb,
3344                                         (ULONG)ulNotifyFilter,
3345                                         (ULONG)ulNotificationAction);
3346
3347         //
3348         // If we performed the rename of the target because it existed, we now need to
3349         // delete the tmp target we created above
3350         //
3351
3352         if( bTargetEntryExists)
3353         {
3354
3355             AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
3356                           AFS_TRACE_LEVEL_VERBOSE,
3357                           "AFSSetRenameInfo Setting DELETE flag in dir entry %p name %wZ\n",
3358                           pTargetDirEntry,
3359                           &pTargetDirEntry->NameInformation.FileName));
3360
3361             SetFlag( pTargetDirEntry->Flags, AFS_DIR_ENTRY_DELETED);
3362
3363             //
3364             // Try and purge the cache map if this is a file
3365             //
3366
3367             if( pTargetDirEntry->ObjectInformation->FileType == AFS_FILE_TYPE_FILE &&
3368                 pTargetDirEntry->ObjectInformation->Fcb != NULL &&
3369                 pTargetDirEntry->DirOpenReferenceCount > 1)
3370             {
3371
3372                 pTargetFcb = pTargetDirEntry->ObjectInformation->Fcb;
3373             }
3374
3375             ASSERT( pTargetDirEntry->DirOpenReferenceCount > 0);
3376
3377             lCount = InterlockedDecrement( &pTargetDirEntry->DirOpenReferenceCount); // The count we added above
3378
3379             AFSDbgTrace(( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
3380                           AFS_TRACE_LEVEL_VERBOSE,
3381                           "AFSSetRenameInfo Decrement count on %wZ DE %p Ccb %p Cnt %d\n",
3382                           &pTargetDirEntry->NameInformation.FileName,
3383                           pTargetDirEntry,
3384                           pSrcCcb,
3385                           lCount));
3386
3387             ASSERT( lCount >= 0);
3388
3389             if( lCount == 0 &&
3390                 pTargetDirEntry->NameArrayReferenceCount <= 0)
3391             {
3392
3393                 AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
3394                               AFS_TRACE_LEVEL_VERBOSE,
3395                               "AFSSetRenameInfo Deleting dir entry %p name %wZ\n",
3396                               pTargetDirEntry,
3397                               &pTargetDirEntry->NameInformation.FileName));
3398
3399                 AFSDeleteDirEntry( pTargetParentObject,
3400                                    &pTargetDirEntry);
3401             }
3402
3403             pTargetDirEntry = NULL;
3404
3405             if ( pTargetFcb != NULL)
3406             {
3407
3408                 //
3409                 // Do not hold TreeLocks across the MmForceSectionClosed() call as
3410                 // it can deadlock with Trend Micro's TmPreFlt!TmpQueryFullName
3411                 //
3412
3413                 if( bReleaseTargetDirLock)
3414                 {
3415                     AFSReleaseResource( pTargetParentObject->Specific.Directory.DirectoryNodeHdr.TreeLock);
3416
3417                     bReleaseTargetDirLock = FALSE;
3418                 }
3419
3420                 if( bReleaseSourceDirLock)
3421                 {
3422
3423                     AFSReleaseResource( pSourceDirLock);
3424
3425                     bReleaseSourceDirLock = FALSE;
3426                 }
3427
3428                 //
3429                 // MmForceSectionClosed() can eventually call back into AFSCleanup
3430                 // which will need to acquire Fcb->Resource exclusively.  Failure
3431                 // to obtain it here before holding the SectionObjectResource will
3432                 // permit the locks to be obtained out of order risking a deadlock.
3433                 //
3434
3435                 AFSDbgTrace(( AFS_SUBSYSTEM_LOCK_PROCESSING,
3436                               AFS_TRACE_LEVEL_VERBOSE,
3437                               "AFSSetRenameInfo Acquiring Fcb lock %p EXCL %08lX\n",
3438                               &pTargetFcb->NPFcb->Resource,
3439                               PsGetCurrentThread()));
3440
3441                 AFSAcquireExcl( &pTargetFcb->NPFcb->Resource,
3442                                 TRUE);
3443
3444                 AFSDbgTrace(( AFS_SUBSYSTEM_LOCK_PROCESSING,
3445                               AFS_TRACE_LEVEL_VERBOSE,
3446                               "AFSSetRenameInfo Acquiring Fcb SectionObject lock %p EXCL %08lX\n",
3447                               &pTargetFcb->NPFcb->SectionObjectResource,
3448                               PsGetCurrentThread()));
3449
3450                 AFSAcquireExcl( &pTargetFcb->NPFcb->SectionObjectResource,
3451                                 TRUE);
3452
3453                 //
3454                 // Close the section in the event it was mapped
3455                 //
3456
3457                 if( !MmForceSectionClosed( &pTargetFcb->NPFcb->SectionObjectPointers,
3458                                            TRUE))
3459                 {
3460
3461                     AFSDbgTrace(( AFS_SUBSYSTEM_FILE_PROCESSING,
3462                                   AFS_TRACE_LEVEL_ERROR,
3463                                   "AFSSetRenameInfo Failed to delete section for target file %wZ\n",
3464                                   &uniTargetName));
3465                 }
3466
3467                 AFSDbgTrace(( AFS_SUBSYSTEM_LOCK_PROCESSING,
3468                               AFS_TRACE_LEVEL_VERBOSE,
3469                               "AFSSetRenameInfo Releasing Fcb SectionObject lock %p EXCL %08lX\n",
3470                               &pTargetFcb->NPFcb->SectionObjectResource,
3471                               PsGetCurrentThread()));
3472
3473                 AFSReleaseResource( &pTargetFcb->NPFcb->SectionObjectResource);
3474
3475                 AFSDbgTrace(( AFS_SUBSYSTEM_LOCK_PROCESSING,
3476                               AFS_TRACE_LEVEL_VERBOSE,
3477                               "AFSSetRenameInfo Releasing Fcb lock %p EXCL %08lX\n",
3478                               &pTargetFcb->NPFcb->Resource,
3479                               PsGetCurrentThread()));
3480
3481                 AFSReleaseResource( &pTargetFcb->NPFcb->Resource);
3482             }
3483         }
3484
3485 try_exit:
3486
3487         if( !NT_SUCCESS( ntStatus))
3488         {
3489
3490             if( bTargetEntryExists)
3491             {
3492
3493                 ASSERT( pTargetParentObject != NULL);
3494
3495                 AFSInsertDirectoryNode( pTargetParentObject,
3496                                         pTargetDirEntry,
3497                                         FALSE);
3498             }
3499         }
3500
3501         if( pTargetDirEntry != NULL)
3502         {
3503
3504             lCount = InterlockedDecrement( &pTargetDirEntry->DirOpenReferenceCount);
3505
3506             AFSDbgTrace(( AFS_SUBSYSTEM_DIRENTRY_REF_COUNTING,
3507                           AFS_TRACE_LEVEL_VERBOSE,
3508                           "AFSSetRenameInfo Decrement2 count on %wZ DE %p Ccb %p Cnt %d\n",
3509                           &pTargetDirEntry->NameInformation.FileName,
3510                           pTargetDirEntry,
3511                           pSrcCcb,
3512                           lCount));
3513
3514             ASSERT( lCount >= 0);
3515         }
3516
3517         if( bReleaseTargetDirLock)
3518         {
3519
3520             AFSReleaseResource( pTargetParentObject->Specific.Directory.DirectoryNodeHdr.TreeLock);
3521         }
3522
3523         if( bReleaseSourceDirLock)
3524         {
3525
3526             AFSReleaseResource( pSourceDirLock);
3527         }
3528
3529         if ( bDereferenceTargetParentObject)
3530         {
3531
3532             ObDereferenceObject( pTargetParentFileObj);
3533         }
3534
3535         if ( pSrcParentObject != NULL)
3536         {
3537
3538             AFSReleaseObjectInfo( &pSrcParentObject);
3539         }
3540
3541         //
3542         // No need to release pTargetParentObject as it is either a copy of pSrcParentObject
3543         // or (AFSFcb *)pTargetFileObj->FsContext->ObjectInformation
3544         //
3545
3546         pTargetParentObject = NULL;
3547     }
3548
3549     return ntStatus;
3550 }
3551
3552 NTSTATUS
3553 AFSSetPositionInfo( IN PIRP Irp,
3554                     IN AFSDirectoryCB *DirectoryCB)
3555 {
3556     UNREFERENCED_PARAMETER(DirectoryCB);
3557     NTSTATUS ntStatus = STATUS_SUCCESS;
3558     PFILE_POSITION_INFORMATION pBuffer;
3559     PIO_STACK_LOCATION pIrpSp = IoGetCurrentIrpStackLocation( Irp);
3560
3561     pBuffer = (PFILE_POSITION_INFORMATION)Irp->AssociatedIrp.SystemBuffer;
3562
3563     pIrpSp->FileObject->CurrentByteOffset.QuadPart = pBuffer->CurrentByteOffset.QuadPart;
3564
3565     return ntStatus;
3566 }
3567
3568 NTSTATUS
3569 AFSSetAllocationInfo( IN PIRP Irp,
3570                       IN AFSDirectoryCB *DirectoryCB)
3571 {
3572     UNREFERENCED_PARAMETER(DirectoryCB);
3573     NTSTATUS ntStatus = STATUS_SUCCESS;
3574     PFILE_ALLOCATION_INFORMATION pBuffer;
3575     BOOLEAN bReleasePaging = FALSE;
3576     BOOLEAN bTellCc = FALSE;
3577     BOOLEAN bTellService = FALSE;
3578     BOOLEAN bUserMapped = FALSE;
3579     PIO_STACK_LOCATION pIrpSp = IoGetCurrentIrpStackLocation( Irp);
3580     PFILE_OBJECT pFileObject = pIrpSp->FileObject;
3581     AFSFcb *pFcb = NULL;
3582     AFSCcb *pCcb = NULL;
3583     LARGE_INTEGER liSaveAlloc;
3584     LARGE_INTEGER liSaveFileSize;
3585     LARGE_INTEGER liSaveVDL;
3586
3587     pBuffer = (PFILE_ALLOCATION_INFORMATION)Irp->AssociatedIrp.SystemBuffer;
3588
3589     pFcb = (AFSFcb *)pIrpSp->FileObject->FsContext;
3590
3591     pCcb = (AFSCcb *)pIrpSp->FileObject->FsContext2;
3592
3593     //
3594     // save values to put back
3595     //
3596     liSaveAlloc = pFcb->Header.AllocationSize;
3597     liSaveFileSize = pFcb->Header.FileSize;
3598     liSaveVDL = pFcb->Header.ValidDataLength;
3599
3600     if( pFcb->Header.AllocationSize.QuadPart == pBuffer->AllocationSize.QuadPart ||
3601         pIrpSp->Parameters.SetFile.AdvanceOnly)
3602     {
3603         return STATUS_SUCCESS ;
3604     }
3605
3606     if( pFcb->Header.AllocationSize.QuadPart > pBuffer->AllocationSize.QuadPart)
3607     {
3608
3609         AFSDbgTrace(( AFS_SUBSYSTEM_LOCK_PROCESSING,
3610                       AFS_TRACE_LEVEL_VERBOSE,
3611                       "AFSSetAllocationInfo Acquiring Fcb SectionObject lock %p EXCL %08lX\n",
3612                       &pFcb->NPFcb->SectionObjectResource,
3613                       PsGetCurrentThread()));
3614
3615         AFSAcquireExcl( &pFcb->NPFcb->SectionObjectResource,
3616                         TRUE);
3617
3618         bUserMapped = !MmCanFileBeTruncated( pFileObject->SectionObjectPointer,
3619                                              &pBuffer->AllocationSize);
3620
3621         AFSDbgTrace(( AFS_SUBSYSTEM_LOCK_PROCESSING,
3622                       AFS_TRACE_LEVEL_VERBOSE,
3623                       "AFSSetAllocationInfo Releasing Fcb SectionObject lock %p EXCL %08lX\n",
3624                       &pFcb->NPFcb->SectionObjectResource,
3625                       PsGetCurrentThread()));
3626
3627         AFSReleaseResource( &pFcb->NPFcb->SectionObjectResource);
3628
3629         //
3630         // Truncating the file
3631         //
3632         if ( bUserMapped)
3633         {
3634
3635             ntStatus = STATUS_USER_MAPPED_FILE ;
3636         }
3637         else
3638         {
3639
3640             //
3641             // If this is a truncation we need to grab the paging IO resource.
3642             //
3643
3644             AFSDbgTrace(( AFS_SUBSYSTEM_LOCK_PROCESSING,
3645                           AFS_TRACE_LEVEL_VERBOSE,
3646                           "AFSSetAllocationInfo Acquiring Fcb PagingIo lock %p EXCL %08lX\n",
3647                           &pFcb->NPFcb->PagingResource,
3648                           PsGetCurrentThread()));
3649
3650             AFSAcquireExcl( &pFcb->NPFcb->PagingResource,
3651                             TRUE);
3652
3653             bReleasePaging = TRUE;
3654
3655             //
3656             // Must drop the Fcb Resource.  When changing the file size
3657             // a deadlock can occur with Trend Micro's filter if the file
3658             // size is set to zero.
3659             //
3660
3661             AFSReleaseResource( &pFcb->NPFcb->Resource);
3662
3663             pFcb->Header.AllocationSize = pBuffer->AllocationSize;
3664
3665             pFcb->ObjectInformation->AllocationSize = pBuffer->AllocationSize;
3666
3667             //
3668             // Tell Cc that Allocation is moved.
3669             //
3670             bTellCc = TRUE;
3671
3672             if( pFcb->Header.FileSize.QuadPart > pBuffer->AllocationSize.QuadPart)
3673             {
3674                 //
3675                 // We are pulling the EOF back as well so we need to tell
3676                 // the service.
3677                 //
3678                 bTellService = TRUE;
3679
3680                 pFcb->Header.FileSize = pBuffer->AllocationSize;
3681
3682                 pFcb->ObjectInformation->EndOfFile = pBuffer->AllocationSize;
3683             }
3684
3685         }
3686     }
3687     else
3688     {
3689         //
3690         // Tell Cc if allocation is increased.
3691         //
3692
3693         AFSDbgTrace(( AFS_SUBSYSTEM_LOCK_PROCESSING,
3694                       AFS_TRACE_LEVEL_VERBOSE,
3695                       "AFSSetAllocationInfo Acquiring Fcb PagingIo lock %p EXCL %08lX\n",
3696                       &pFcb->NPFcb->PagingResource,
3697                       PsGetCurrentThread()));
3698
3699         AFSAcquireExcl( &pFcb->NPFcb->PagingResource,
3700                         TRUE);
3701
3702         bReleasePaging = TRUE;
3703
3704         //
3705         // Must drop the Fcb Resource.  When changing the file size
3706         // a deadlock can occur with Trend Micro's filter if the file
3707         // size is set to zero.
3708         //
3709
3710         AFSReleaseResource( &pFcb->NPFcb->Resource);
3711
3712         bTellCc = pBuffer->AllocationSize.QuadPart > pFcb->Header.AllocationSize.QuadPart;
3713
3714         pFcb->Header.AllocationSize = pBuffer->AllocationSize;
3715
3716         pFcb->ObjectInformation->AllocationSize = pBuffer->AllocationSize;
3717     }
3718
3719     //
3720     // Now Tell the server if we have to
3721     //
3722     if (bTellService)
3723     {
3724
3725         ASSERT( BooleanFlagOn( pFcb->ObjectInformation->Flags, AFS_OBJECT_FLAGS_PARENT_FID));
3726
3727         ntStatus = AFSUpdateFileInformation( &pFcb->ObjectInformation->ParentFileId,
3728                                              pFcb->ObjectInformation,
3729                                              &pCcb->AuthGroup);
3730     }
3731
3732     if (NT_SUCCESS(ntStatus))
3733     {
3734         //
3735         // Trim extents if we told the service - the update has done an implicit
3736         // trim at the service.
3737         //
3738         if (bTellService)
3739         {
3740             AFSTrimExtents( pFcb,
3741                             &pFcb->Header.FileSize);
3742         }
3743
3744         KeQuerySystemTime( &pFcb->ObjectInformation->ChangeTime);
3745
3746         SetFlag( pFcb->Flags, AFS_FCB_FLAG_FILE_MODIFIED | AFS_FCB_FLAG_UPDATE_CHANGE_TIME);
3747
3748         if (bTellCc &&
3749             CcIsFileCached( pFileObject))
3750         {
3751             CcSetFileSizes( pFileObject,
3752                             (PCC_FILE_SIZES)&pFcb->Header.AllocationSize);
3753         }
3754     }
3755     else
3756     {
3757         //
3758         // Put the saved values back
3759         //
3760         pFcb->Header.ValidDataLength = liSaveVDL;
3761         pFcb->Header.FileSize = liSaveFileSize;
3762         pFcb->Header.AllocationSize = liSaveAlloc;
3763         pFcb->ObjectInformation->EndOfFile = liSaveFileSize;
3764         pFcb->ObjectInformation->AllocationSize = liSaveAlloc;
3765     }
3766
3767     if( bReleasePaging)
3768     {
3769
3770         AFSReleaseResource( &pFcb->NPFcb->PagingResource);
3771
3772         AFSAcquireExcl( &pFcb->NPFcb->Resource,
3773                         TRUE);
3774     }
3775
3776     return ntStatus;
3777 }
3778
3779 NTSTATUS
3780 AFSSetEndOfFileInfo( IN PIRP Irp,
3781                      IN AFSDirectoryCB *DirectoryCB)
3782 {
3783     UNREFERENCED_PARAMETER(DirectoryCB);
3784     NTSTATUS ntStatus = STATUS_SUCCESS;
3785     PFILE_END_OF_FILE_INFORMATION pBuffer;
3786     PIO_STACK_LOCATION pIrpSp = IoGetCurrentIrpStackLocation( Irp);
3787     PFILE_OBJECT pFileObject = pIrpSp->FileObject;
3788     LARGE_INTEGER liSaveSize;
3789     LARGE_INTEGER liSaveVDL;
3790     LARGE_INTEGER liSaveAlloc;
3791     BOOLEAN bModified = FALSE;
3792     BOOLEAN bReleasePaging = FALSE;
3793     BOOLEAN bTruncated = FALSE;
3794     BOOLEAN bUserMapped = FALSE;
3795     AFSFcb *pFcb = NULL;
3796     AFSCcb *pCcb = NULL;
3797
3798     pFcb = (AFSFcb *)pIrpSp->FileObject->FsContext;
3799
3800     pCcb = (AFSCcb *)pIrpSp->FileObject->FsContext2;
3801
3802     pBuffer = (PFILE_END_OF_FILE_INFORMATION)Irp->AssociatedIrp.SystemBuffer;
3803
3804     liSaveSize = pFcb->Header.FileSize;
3805     liSaveAlloc = pFcb->Header.AllocationSize;
3806     liSaveVDL = pFcb->Header.ValidDataLength;
3807
3808     if( pFcb->Header.FileSize.QuadPart != pBuffer->EndOfFile.QuadPart &&
3809         !pIrpSp->Parameters.SetFile.AdvanceOnly)
3810     {
3811
3812         if( pBuffer->EndOfFile.QuadPart < pFcb->Header.FileSize.QuadPart)
3813         {
3814
3815             AFSDbgTrace(( AFS_SUBSYSTEM_LOCK_PROCESSING,
3816                           AFS_TRACE_LEVEL_VERBOSE,
3817                           "AFSSetEndOfFileInfo Acquiring Fcb SectionObject lock %p EXCL %08lX\n",
3818                           &pFcb->NPFcb->SectionObjectResource,
3819                           PsGetCurrentThread()));
3820
3821             AFSAcquireExcl( &pFcb->NPFcb->SectionObjectResource,
3822                             TRUE);
3823
3824             bUserMapped = !MmCanFileBeTruncated( pFileObject->SectionObjectPointer,
3825                                                  &pBuffer->EndOfFile);
3826
3827             AFSDbgTrace(( AFS_SUBSYSTEM_LOCK_PROCESSING,
3828                           AFS_TRACE_LEVEL_VERBOSE,
3829                           "AFSSetEndOfFileInfo Releasing Fcb SectionObject lock %p EXCL %08lX\n",
3830                           &pFcb->NPFcb->SectionObjectResource,
3831                           PsGetCurrentThread()));
3832
3833             AFSReleaseResource( &pFcb->NPFcb->SectionObjectResource);
3834
3835             // Truncating the file
3836             if ( bUserMapped)
3837             {
3838
3839                 ntStatus = STATUS_USER_MAPPED_FILE;
3840             }
3841             else
3842             {
3843
3844                 //
3845                 // If this is a truncation we need to grab the paging
3846                 // IO resource.
3847                 //
3848                 AFSDbgTrace(( AFS_SUBSYSTEM_LOCK_PROCESSING,
3849                               AFS_TRACE_LEVEL_VERBOSE,
3850                               "AFSSetAllocationInfo Acquiring Fcb PagingIo lock %p EXCL %08lX\n",
3851                               &pFcb->NPFcb->PagingResource,
3852                               PsGetCurrentThread()));
3853
3854                 AFSAcquireExcl( &pFcb->NPFcb->PagingResource,
3855                                 TRUE);
3856
3857                 bReleasePaging = TRUE;
3858
3859                 //
3860                 // Must drop the Fcb Resource.  When changing the file size
3861                 // a deadlock can occur with Trend Micro's filter if the file
3862                 // size is set to zero.
3863                 //
3864
3865                 AFSReleaseResource( &pFcb->NPFcb->Resource);
3866
3867                 pFcb->Header.AllocationSize = pBuffer->EndOfFile;
3868
3869                 pFcb->Header.FileSize = pBuffer->EndOfFile;
3870
3871                 pFcb->ObjectInformation->EndOfFile = pBuffer->EndOfFile;
3872
3873                 pFcb->ObjectInformation->AllocationSize = pBuffer->EndOfFile;
3874
3875                 if( pFcb->Header.ValidDataLength.QuadPart > pFcb->Header.FileSize.QuadPart)
3876                 {
3877
3878                     pFcb->Header.ValidDataLength = pFcb->Header.FileSize;
3879                 }
3880
3881                 bTruncated = TRUE;
3882
3883                 bModified = TRUE;
3884             }
3885         }
3886         else
3887         {
3888
3889             //
3890             // extending the file, move EOF
3891             //
3892
3893             //
3894             // If this is a truncation we need to grab the paging
3895             // IO resource.
3896             //
3897             AFSDbgTrace(( AFS_SUBSYSTEM_LOCK_PROCESSING,
3898                           AFS_TRACE_LEVEL_VERBOSE,
3899                           "AFSSetAllocationInfo Acquiring Fcb PagingIo lock %p EXCL %08lX\n",
3900                           &pFcb->NPFcb->PagingResource,
3901                           PsGetCurrentThread()));
3902
3903             AFSAcquireExcl( &pFcb->NPFcb->PagingResource,
3904                             TRUE);
3905
3906             bReleasePaging = TRUE;
3907
3908             //
3909             // Must drop the Fcb Resource.  When changing the file size
3910             // a deadlock can occur with Trend Micro's filter if the file
3911             // size is set to zero.
3912             //
3913
3914             AFSReleaseResource( &pFcb->NPFcb->Resource);
3915
3916             pFcb->Header.FileSize = pBuffer->EndOfFile;
3917
3918             pFcb->ObjectInformation->EndOfFile = pBuffer->EndOfFile;
3919
3920             if (pFcb->Header.FileSize.QuadPart > pFcb->Header.AllocationSize.QuadPart)
3921             {
3922                 //
3923                 // And Allocation as needed.
3924                 //
3925                 pFcb->Header.AllocationSize = pBuffer->EndOfFile;
3926
3927                 pFcb->ObjectInformation->AllocationSize = pBuffer->EndOfFile;
3928             }
3929
3930             bModified = TRUE;
3931         }
3932     }
3933
3934     if (bModified)
3935     {
3936
3937         KeQuerySystemTime( &pFcb->ObjectInformation->ChangeTime);
3938
3939         SetFlag( pFcb->Flags, AFS_FCB_FLAG_FILE_MODIFIED | AFS_FCB_FLAG_UPDATE_CHANGE_TIME);
3940
3941         //
3942         // Tell the server
3943         //
3944
3945         ASSERT( BooleanFlagOn( pFcb->ObjectInformation->Flags, AFS_OBJECT_FLAGS_PARENT_FID));
3946
3947         ntStatus = AFSUpdateFileInformation( &pFcb->ObjectInformation->ParentFileId,
3948                                              pFcb->ObjectInformation,
3949                                              &pCcb->AuthGroup);
3950
3951         if( NT_SUCCESS(ntStatus))
3952         {
3953             //
3954             // We are now good to go so tell CC.
3955             //
3956             CcSetFileSizes( pFileObject,
3957                             (PCC_FILE_SIZES)&pFcb->Header.AllocationSize);
3958
3959             //
3960             // And give up those extents
3961             //
3962             if( bTruncated)
3963             {
3964
3965                 AFSTrimExtents( pFcb,
3966                                 &pFcb->Header.FileSize);
3967             }
3968         }
3969         else
3970         {
3971             pFcb->Header.ValidDataLength = liSaveVDL;
3972             pFcb->Header.FileSize = liSaveSize;
3973             pFcb->Header.AllocationSize = liSaveAlloc;
3974             pFcb->ObjectInformation->EndOfFile = liSaveSize;
3975             pFcb->ObjectInformation->AllocationSize = liSaveAlloc;
3976         }
3977     }
3978
3979     if( bReleasePaging)
3980     {
3981
3982         AFSReleaseResource( &pFcb->NPFcb->PagingResource);
3983
3984         AFSAcquireExcl( &pFcb->NPFcb->Resource,
3985                         TRUE);
3986     }
3987
3988     return ntStatus;
3989 }
3990
3991 NTSTATUS
3992 AFSProcessShareSetInfo( IN IRP *Irp,
3993                         IN AFSFcb *Fcb,
3994                         IN AFSCcb *Ccb)
3995 {
3996
3997     UNREFERENCED_PARAMETER(Fcb);
3998     NTSTATUS ntStatus = STATUS_SUCCESS;
3999     PIO_STACK_LOCATION pIrpSp = IoGetCurrentIrpStackLocation( Irp);
4000     FILE_INFORMATION_CLASS ulFileInformationClass;
4001     void *pPipeInfo = NULL;
4002
4003     __Enter
4004     {
4005         ulFileInformationClass = pIrpSp->Parameters.SetFile.FileInformationClass;
4006
4007         AFSDbgTrace(( AFS_SUBSYSTEM_PIPE_PROCESSING,
4008                       AFS_TRACE_LEVEL_VERBOSE,
4009                       "AFSProcessShareSetInfo On pipe %wZ Class %08lX\n",
4010                       &Ccb->DirectoryCB->NameInformation.FileName,
4011                       ulFileInformationClass));
4012
4013         pPipeInfo = AFSLockSystemBuffer( Irp,
4014                                          pIrpSp->Parameters.SetFile.Length);
4015
4016         if( pPipeInfo == NULL)
4017         {
4018
4019             AFSDbgTrace(( AFS_SUBSYSTEM_PIPE_PROCESSING,
4020                           AFS_TRACE_LEVEL_ERROR,
4021                           "AFSProcessShareSetInfo Failed to lock buffer on pipe %wZ\n",
4022                           &Ccb->DirectoryCB->NameInformation.FileName));
4023
4024             try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
4025         }
4026
4027         //
4028         // Send the request to the service
4029         //
4030
4031         ntStatus = AFSNotifySetPipeInfo( Ccb,
4032                                          (ULONG)ulFileInformationClass,
4033                                          pIrpSp->Parameters.SetFile.Length,
4034                                          pPipeInfo);
4035
4036         if( !NT_SUCCESS( ntStatus))
4037         {
4038
4039             AFSDbgTrace(( AFS_SUBSYSTEM_PIPE_PROCESSING,
4040                           AFS_TRACE_LEVEL_ERROR,
4041                           "AFSProcessShareSetInfo Failed to send request to service on pipe %wZ Status %08lX\n",
4042                           &Ccb->DirectoryCB->NameInformation.FileName,
4043                           ntStatus));
4044
4045             try_return( ntStatus);
4046         }
4047
4048         AFSDbgTrace(( AFS_SUBSYSTEM_PIPE_PROCESSING,
4049                       AFS_TRACE_LEVEL_VERBOSE,
4050                       "AFSProcessShareSetInfo Completed request on pipe %wZ Class %08lX\n",
4051                       &Ccb->DirectoryCB->NameInformation.FileName,
4052                       ulFileInformationClass));
4053
4054 try_exit:
4055
4056         NOTHING;
4057     }
4058
4059     return ntStatus;
4060 }
4061
4062 NTSTATUS
4063 AFSProcessShareQueryInfo( IN IRP *Irp,
4064                           IN AFSFcb *Fcb,
4065                           IN AFSCcb *Ccb)
4066 {
4067
4068     UNREFERENCED_PARAMETER(Fcb);
4069     NTSTATUS ntStatus = STATUS_SUCCESS;
4070     PIO_STACK_LOCATION pIrpSp = IoGetCurrentIrpStackLocation( Irp);
4071     FILE_INFORMATION_CLASS ulFileInformationClass;
4072     void *pPipeInfo = NULL;
4073
4074     __Enter
4075     {
4076
4077         ulFileInformationClass = pIrpSp->Parameters.QueryFile.FileInformationClass;
4078
4079         AFSDbgTrace(( AFS_SUBSYSTEM_PIPE_PROCESSING,
4080                       AFS_TRACE_LEVEL_VERBOSE,
4081                       "AFSProcessShareQueryInfo On pipe %wZ Class %08lX\n",
4082                       &Ccb->DirectoryCB->NameInformation.FileName,
4083                       ulFileInformationClass));
4084
4085         pPipeInfo = AFSLockSystemBuffer( Irp,
4086                                          pIrpSp->Parameters.QueryFile.Length);
4087
4088         if( pPipeInfo == NULL)
4089         {
4090
4091             AFSDbgTrace(( AFS_SUBSYSTEM_PIPE_PROCESSING,
4092                           AFS_TRACE_LEVEL_ERROR,
4093                           "AFSProcessShareQueryInfo Failed to lock buffer on pipe %wZ\n",
4094                           &Ccb->DirectoryCB->NameInformation.FileName));
4095
4096             try_return( ntStatus = STATUS_INSUFFICIENT_RESOURCES);
4097         }
4098
4099         //
4100         // Send the request to the service
4101         //
4102
4103         ntStatus = AFSNotifyQueryPipeInfo( Ccb,
4104                                            (ULONG)ulFileInformationClass,
4105                                            pIrpSp->Parameters.QueryFile.Length,
4106                                            pPipeInfo,
4107                                            (ULONG *)&Irp->IoStatus.Information);
4108
4109         if( !NT_SUCCESS( ntStatus))
4110         {
4111
4112             AFSDbgTrace(( AFS_SUBSYSTEM_PIPE_PROCESSING,
4113                           AFS_TRACE_LEVEL_ERROR,
4114                           "AFSProcessShareQueryInfo Failed to send request to service on pipe %wZ Status %08lX\n",
4115                           &Ccb->DirectoryCB->NameInformation.FileName,
4116                           ntStatus));
4117
4118             try_return( ntStatus);
4119         }
4120
4121         AFSDbgTrace(( AFS_SUBSYSTEM_PIPE_PROCESSING,
4122                       AFS_TRACE_LEVEL_VERBOSE,
4123                       "AFSProcessShareQueryInfo Completed request on pipe %wZ Class %08lX\n",
4124                       &Ccb->DirectoryCB->NameInformation.FileName,
4125                       ulFileInformationClass));
4126
4127 try_exit:
4128
4129         NOTHING;
4130     }
4131
4132     return ntStatus;
4133 }
4134
4135 NTSTATUS
4136 AFSProcessPIOCtlQueryInfo( IN IRP *Irp,
4137                            IN AFSFcb *Fcb,
4138                            IN AFSCcb *Ccb,
4139                            IN OUT LONG *Length)
4140 {
4141
4142     UNREFERENCED_PARAMETER(Fcb);
4143     UNREFERENCED_PARAMETER(Ccb);
4144     NTSTATUS ntStatus = STATUS_SUCCESS;
4145     PIO_STACK_LOCATION pIrpSp = IoGetCurrentIrpStackLocation( Irp);
4146     FILE_INFORMATION_CLASS ulFileInformationClass;
4147
4148     __Enter
4149     {
4150
4151         ulFileInformationClass = pIrpSp->Parameters.QueryFile.FileInformationClass;
4152
4153         switch( ulFileInformationClass)
4154         {
4155
4156             case FileBasicInformation:
4157             {
4158
4159                 AFSDbgTrace(( AFS_SUBSYSTEM_PIOCTL_PROCESSING,
4160                               AFS_TRACE_LEVEL_VERBOSE,
4161                               "AFSProcessPIOCtlQueryInfo (FileBasicInformation)\n"));
4162
4163                 if ( *Length >= sizeof( FILE_BASIC_INFORMATION))
4164                 {
4165                     PFILE_BASIC_INFORMATION pBasic = (PFILE_BASIC_INFORMATION)Irp->AssociatedIrp.SystemBuffer;
4166
4167                     pBasic->CreationTime.QuadPart = 0;
4168                     pBasic->LastAccessTime.QuadPart = 0;
4169                     pBasic->ChangeTime.QuadPart = 0;
4170                     pBasic->LastWriteTime.QuadPart = 0;
4171                     pBasic->FileAttributes = FILE_ATTRIBUTE_HIDDEN | FILE_ATTRIBUTE_SYSTEM;
4172
4173                     *Length -= sizeof( FILE_BASIC_INFORMATION);
4174                 }
4175                 else
4176                 {
4177                     ntStatus = STATUS_BUFFER_TOO_SMALL;
4178                 }
4179
4180                 break;
4181             }
4182
4183             case FileStandardInformation:
4184             {
4185
4186                 AFSDbgTrace(( AFS_SUBSYSTEM_PIOCTL_PROCESSING,
4187                               AFS_TRACE_LEVEL_VERBOSE,
4188                               "AFSProcessPIOCtlQueryInfo (FileStandardInformation)\n"));
4189
4190                 if ( *Length >= sizeof( FILE_STANDARD_INFORMATION))
4191                 {
4192                     PFILE_STANDARD_INFORMATION pStandard = (PFILE_STANDARD_INFORMATION)Irp->AssociatedIrp.SystemBuffer;
4193
4194                     pStandard->NumberOfLinks = 1;
4195                     pStandard->DeletePending = 0;
4196                     pStandard->AllocationSize.QuadPart = 0;
4197                     pStandard->EndOfFile.QuadPart = 0;
4198                     pStandard->Directory = 0;
4199
4200                     *Length -= sizeof( FILE_STANDARD_INFORMATION);
4201                 }
4202                 else
4203                 {
4204                     ntStatus = STATUS_BUFFER_TOO_SMALL;
4205                 }
4206
4207                 break;
4208             }
4209
4210             case FileNormalizedNameInformation:
4211             case FileNameInformation:
4212             {
4213
4214                 ULONG ulCopyLength = 0;
4215                 AFSFcb *pFcb = NULL;
4216                 AFSCcb *pCcb = NULL;
4217                 USHORT usFullNameLength = 0;
4218                 PFILE_NAME_INFORMATION pNameInfo = (PFILE_NAME_INFORMATION)Irp->AssociatedIrp.SystemBuffer;
4219                 UNICODE_STRING uniName;
4220
4221                 AFSDbgTrace(( AFS_SUBSYSTEM_PIOCTL_PROCESSING,
4222                               AFS_TRACE_LEVEL_VERBOSE,
4223                               "AFSProcessPIOCtlQueryInfo (FileNameInformation)\n"));
4224
4225                 pFcb = (AFSFcb *)pIrpSp->FileObject->FsContext;
4226                 pCcb = (AFSCcb *)pIrpSp->FileObject->FsContext2;
4227
4228                 if( *Length < FIELD_OFFSET( FILE_NAME_INFORMATION, FileName))
4229                 {
4230                     ntStatus = STATUS_BUFFER_TOO_SMALL;
4231                     break;
4232                 }
4233
4234                 RtlZeroMemory( pNameInfo,
4235                                *Length);
4236
4237                 usFullNameLength = sizeof( WCHAR) +
4238                                             AFSServerName.Length +
4239                                             pCcb->FullFileName.Length;
4240
4241                 if( *Length >= (LONG)(FIELD_OFFSET( FILE_NAME_INFORMATION, FileName) + (LONG)usFullNameLength))
4242                 {
4243                     ulCopyLength = (LONG)usFullNameLength;
4244                 }
4245                 else
4246                 {
4247                     ulCopyLength = *Length - FIELD_OFFSET( FILE_NAME_INFORMATION, FileName);
4248                     ntStatus = STATUS_BUFFER_OVERFLOW;
4249                 }
4250
4251                 pNameInfo->FileNameLength = (ULONG)usFullNameLength;
4252
4253                 *Length -= FIELD_OFFSET( FILE_NAME_INFORMATION, FileName);
4254
4255                 if( ulCopyLength > 0)
4256                 {
4257
4258                     pNameInfo->FileName[ 0] = L'\\';
4259                     ulCopyLength -= sizeof( WCHAR);
4260
4261                     *Length -= sizeof( WCHAR);
4262
4263                     if( ulCopyLength >= AFSServerName.Length)
4264                     {
4265
4266                         RtlCopyMemory( &pNameInfo->FileName[ 1],
4267                                        AFSServerName.Buffer,
4268                                        AFSServerName.Length);
4269
4270                         ulCopyLength -= AFSServerName.Length;
4271                         *Length -= AFSServerName.Length;
4272
4273                         if( ulCopyLength >= pCcb->FullFileName.Length)
4274                         {
4275
4276                             RtlCopyMemory( &pNameInfo->FileName[ 1 + (AFSServerName.Length/sizeof( WCHAR))],
4277                                            pCcb->FullFileName.Buffer,
4278                                            pCcb->FullFileName.Length);
4279
4280                             ulCopyLength -= pCcb->FullFileName.Length;
4281                             *Length -= pCcb->FullFileName.Length;
4282
4283                             uniName.Length = (USHORT)pNameInfo->FileNameLength;
4284                             uniName.MaximumLength = uniName.Length;
4285                             uniName.Buffer = pNameInfo->FileName;
4286                         }
4287                         else
4288                         {
4289
4290                             RtlCopyMemory( &pNameInfo->FileName[ 1 + (AFSServerName.Length/sizeof( WCHAR))],
4291                                            pCcb->FullFileName.Buffer,
4292                                            ulCopyLength);
4293
4294                             *Length -= ulCopyLength;
4295
4296                             uniName.Length = (USHORT)(sizeof( WCHAR) + AFSServerName.Length + ulCopyLength);
4297                             uniName.MaximumLength = uniName.Length;
4298                             uniName.Buffer = pNameInfo->FileName;
4299                         }
4300
4301                         AFSDbgTrace(( AFS_SUBSYSTEM_PIOCTL_PROCESSING,
4302                                       AFS_TRACE_LEVEL_VERBOSE,
4303                                       "AFSProcessPIOCtlQueryInfo (FileNameInformation) Returning %wZ\n",
4304                                       &uniName));
4305                     }
4306                 }
4307
4308                 break;
4309             }
4310
4311             case FileInternalInformation:
4312             {
4313
4314                 PFILE_INTERNAL_INFORMATION pInternalInfo = (PFILE_INTERNAL_INFORMATION)Irp->AssociatedIrp.SystemBuffer;
4315
4316                 AFSDbgTrace(( AFS_SUBSYSTEM_PIOCTL_PROCESSING,
4317                               AFS_TRACE_LEVEL_VERBOSE,
4318                               "AFSProcessPIOCtlQueryInfo (FileInternalInformation)\n"));
4319
4320                 if( *Length >= sizeof( FILE_INTERNAL_INFORMATION))
4321                 {
4322
4323                     pInternalInfo->IndexNumber.HighPart = 0;
4324
4325                     pInternalInfo->IndexNumber.LowPart = 0;
4326
4327                     *Length -= sizeof( FILE_INTERNAL_INFORMATION);
4328                 }
4329                 else
4330                 {
4331
4332                     ntStatus = STATUS_BUFFER_TOO_SMALL;
4333                 }
4334
4335                 break;
4336             }
4337
4338             case FileAllInformation:
4339             {
4340                 ntStatus = STATUS_INVALID_PARAMETER;
4341
4342                 AFSDbgTrace(( AFS_SUBSYSTEM_PIOCTL_PROCESSING,
4343                               AFS_TRACE_LEVEL_WARNING,
4344                               "AFSProcessPIOCtlQueryInfo (FileAllInformation) Not Implemented\n"));
4345
4346                 break;
4347             }
4348
4349             case FileEaInformation:
4350             {
4351                 ntStatus = STATUS_INVALID_PARAMETER;
4352
4353                 AFSDbgTrace(( AFS_SUBSYSTEM_PIOCTL_PROCESSING,
4354                               AFS_TRACE_LEVEL_WARNING,
4355                               "AFSProcessPIOCtlQueryInfo (FileEaInformation) Not Implemented\n"));
4356
4357                 break;
4358             }
4359
4360             case FilePositionInformation:
4361             {
4362                 ntStatus = STATUS_INVALID_PARAMETER;
4363
4364                 AFSDbgTrace(( AFS_SUBSYSTEM_PIOCTL_PROCESSING,
4365                               AFS_TRACE_LEVEL_WARNING,
4366                               "AFSProcessPIOCtlQueryInfo (FilePositionInformation) Not Implemented\n"));
4367
4368                 break;
4369             }
4370
4371             case FileAlternateNameInformation:
4372             {
4373                 ntStatus = STATUS_INVALID_PARAMETER;
4374
4375                 AFSDbgTrace(( AFS_SUBSYSTEM_PIOCTL_PROCESSING,
4376                               AFS_TRACE_LEVEL_WARNING,
4377                               "AFSProcessPIOCtlQueryInfo (FileAlternateNameInformation) Not Implemented\n"));
4378
4379                 break;
4380             }
4381
4382             case FileNetworkOpenInformation:
4383             {
4384                 ntStatus = STATUS_INVALID_PARAMETER;
4385
4386                 AFSDbgTrace(( AFS_SUBSYSTEM_PIOCTL_PROCESSING,
4387                               AFS_TRACE_LEVEL_WARNING,
4388                               "AFSProcessPIOCtlQueryInfo (FileNetworkOpenInformation) Not Implemented\n"));
4389
4390                 break;
4391             }
4392
4393             case FileStreamInformation:
4394             {
4395                 ntStatus = STATUS_INVALID_PARAMETER;
4396
4397                 AFSDbgTrace(( AFS_SUBSYSTEM_PIOCTL_PROCESSING,
4398                               AFS_TRACE_LEVEL_WARNING,
4399                               "AFSProcessPIOCtlQueryInfo (FileStreamInformation) Not Implemented\n"));
4400
4401                 break;
4402             }
4403
4404             case FileAttributeTagInformation:
4405             {
4406                 ntStatus = STATUS_INVALID_PARAMETER;
4407
4408                 AFSDbgTrace(( AFS_SUBSYSTEM_PIOCTL_PROCESSING,
4409                               AFS_TRACE_LEVEL_WARNING,
4410                               "AFSProcessPIOCtlQueryInfo (FileAttributeTagInformation) Not Implemented\n"));
4411
4412                 break;
4413             }
4414
4415             case FileRemoteProtocolInformation:
4416             {
4417                 ntStatus = STATUS_INVALID_PARAMETER;
4418
4419                 AFSDbgTrace(( AFS_SUBSYSTEM_PIOCTL_PROCESSING,
4420                               AFS_TRACE_LEVEL_WARNING,
4421                               "AFSProcessPIOCtlQueryInfo (FileRemoteProtocolInformation) Not Implemented\n"));
4422
4423                 break;
4424             }
4425
4426             case FileNetworkPhysicalNameInformation:
4427             {
4428                 ntStatus = STATUS_INVALID_PARAMETER;
4429
4430                 AFSDbgTrace(( AFS_SUBSYSTEM_PIOCTL_PROCESSING,
4431                               AFS_TRACE_LEVEL_WARNING,
4432                               "AFSProcessPIOCtlQueryInfo (FileNetworkPhysicalNameInformation) Not Implemented\n"));
4433
4434                 break;
4435             }
4436
4437             default:
4438             {
4439                 ntStatus = STATUS_INVALID_PARAMETER;
4440
4441                 AFSDbgTrace(( AFS_SUBSYSTEM_PIOCTL_PROCESSING,
4442                               AFS_TRACE_LEVEL_WARNING,
4443                               "AFSProcessPIOCtlQueryInfo Not handling request %08lX\n",
4444                               ulFileInformationClass));
4445
4446                 break;
4447             }
4448         }
4449     }
4450
4451     AFSDbgTrace(( AFS_SUBSYSTEM_PIOCTL_PROCESSING,
4452                   AFS_TRACE_LEVEL_VERBOSE,
4453                   "AFSProcessPIOCtlQueryInfo ntStatus %08lX\n",
4454                   ntStatus));
4455
4456     return ntStatus;
4457 }
4458