| 1381 | |
| 1382 | |
| 1383 | NTSTATUS |
| 1384 | Ext2GetReparsePoint (IN PEXT2_IRP_CONTEXT IrpContext) |
| 1385 | { |
| 1386 | PIRP Irp = NULL; |
| 1387 | PIO_STACK_LOCATION IrpSp; |
| 1388 | PEXTENDED_IO_STACK_LOCATION EIrpSp; |
| 1389 | |
| 1390 | PDEVICE_OBJECT DeviceObject; |
| 1391 | |
| 1392 | PEXT2_VCB Vcb = NULL; |
| 1393 | PEXT2_CCB Ccb = NULL; |
| 1394 | PEXT2_MCB Mcb = NULL; |
| 1395 | |
| 1396 | NTSTATUS Status = STATUS_UNSUCCESSFUL; |
| 1397 | BOOLEAN MainResourceAcquired = FALSE; |
| 1398 | |
| 1399 | PVOID OutputBuffer; |
| 1400 | ULONG OutputBufferLength; |
| 1401 | ULONG BytesRead = 0; |
| 1402 | |
| 1403 | PREPARSE_DATA_BUFFER RDB; |
| 1404 | |
| 1405 | UNICODE_STRING UniName; |
| 1406 | OEM_STRING OemName; |
| 1407 | |
| 1408 | PCHAR OemNameBuffer = NULL; |
| 1409 | int OemNameLength = 0, i; |
| 1410 | |
| 1411 | Ccb = IrpContext->Ccb; |
| 1412 | ASSERT(Ccb != NULL); |
| 1413 | ASSERT((Ccb->Identifier.Type == EXT2CCB) && |
| 1414 | (Ccb->Identifier.Size == sizeof(EXT2_CCB))); |
| 1415 | DeviceObject = IrpContext->DeviceObject; |
| 1416 | Vcb = (PEXT2_VCB) DeviceObject->DeviceExtension; |
| 1417 | Mcb = IrpContext->Fcb->Mcb; |
| 1418 | Irp = IrpContext->Irp; |
| 1419 | IrpSp = IoGetCurrentIrpStackLocation(Irp); |
| 1420 | |
| 1421 | __try { |
| 1422 | |
| 1423 | if (!Mcb || !IsInodeSymLink(&Mcb->Inode) || |
| 1424 | !IsFlagOn(Ccb->Flags, CCB_OPEN_REPARSE_POINT)) { |
| 1425 | Status = STATUS_NOT_A_REPARSE_POINT; |
| 1426 | __leave; |
| 1427 | } |
| 1428 | |
| 1429 | OutputBuffer = (PVOID)Irp->AssociatedIrp.SystemBuffer; |
| 1430 | OutputBufferLength = IrpSp->Parameters.FileSystemControl.OutputBufferLength; |
| 1431 | |
| 1432 | RDB = (PREPARSE_DATA_BUFFER)OutputBuffer; |
| 1433 | if (!RDB) { |
| 1434 | Status = STATUS_INVALID_PARAMETER; |
| 1435 | __leave; |
| 1436 | } |
| 1437 | if (OutputBufferLength < sizeof(REPARSE_DATA_BUFFER)) { |
| 1438 | Status = STATUS_BUFFER_OVERFLOW; |
| 1439 | __leave; |
| 1440 | } |
no test coverage detected