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[CDFS_NEW] Replace old driver with a Ms-PL licensed version straight out of the driver samples github repository.
This commit is contained in:
David Quintana
Pierre Schweitzer
parent
87d276f05d
commit
fd34548263
38 changed files with 5298 additions and 2802 deletions
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@ -17,7 +17,7 @@ Abstract:
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--*/
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#include "cdprocs.h"
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#include "CdProcs.h"
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#ifdef CD_SANITY
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BOOLEAN CdTestTopLevel = TRUE;
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@ -178,16 +178,42 @@ LONG CdXAFileHeader[] = {
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-44 // <CD-XA Raw Sectors> ADJUST
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};
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#ifdef CDFS_TELEMETRY_DATA
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//
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// Telemetry Data for reporting
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//
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CDFS_TELEMETRY_DATA_CONTEXT CdTelemetryData;
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#endif // CDFS_TELEMETRY_DATA
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#ifdef ALLOC_PRAGMA
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#pragma alloc_text(PAGE, CdFastIoCheckIfPossible)
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#pragma alloc_text(PAGE, CdSerial32)
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#pragma alloc_text(PAGE, CdSetThreadContext)
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#endif
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_IRQL_requires_max_(APC_LEVEL)
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__drv_dispatchType(DRIVER_DISPATCH)
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__drv_dispatchType(IRP_MJ_CREATE)
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__drv_dispatchType(IRP_MJ_CLOSE)
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__drv_dispatchType(IRP_MJ_READ)
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__drv_dispatchType(IRP_MJ_WRITE)
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__drv_dispatchType(IRP_MJ_QUERY_INFORMATION)
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__drv_dispatchType(IRP_MJ_SET_INFORMATION)
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__drv_dispatchType(IRP_MJ_QUERY_VOLUME_INFORMATION)
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__drv_dispatchType(IRP_MJ_DIRECTORY_CONTROL)
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__drv_dispatchType(IRP_MJ_FILE_SYSTEM_CONTROL)
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__drv_dispatchType(IRP_MJ_DEVICE_CONTROL)
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__drv_dispatchType(IRP_MJ_LOCK_CONTROL)
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__drv_dispatchType(IRP_MJ_CLEANUP)
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__drv_dispatchType(IRP_MJ_PNP)
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__drv_dispatchType(IRP_MJ_SHUTDOWN)
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NTSTATUS
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CdFsdDispatch (
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IN PVOLUME_DEVICE_OBJECT VolumeDeviceObject,
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IN PIRP Irp
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_In_ PDEVICE_OBJECT DeviceObject,
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_Inout_ PIRP Irp
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)
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/*++
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@ -214,7 +240,7 @@ Routine Description:
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Arguments:
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VolumeDeviceObject - Supplies the volume device object for this request
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DeviceObject - Supplies the volume device object for this request
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Irp - Supplies the Irp being processed
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@ -225,7 +251,7 @@ Return Value:
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--*/
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{
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THREAD_CONTEXT ThreadContext;
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THREAD_CONTEXT ThreadContext = {0};
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PIRP_CONTEXT IrpContext = NULL;
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BOOLEAN Wait;
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@ -243,6 +269,8 @@ Return Value:
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ASSERT_OPTIONAL_IRP( Irp );
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UNREFERENCED_PARAMETER( DeviceObject );
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FsRtlEnterFileSystem();
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#ifdef CD_SANITY
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@ -259,7 +287,7 @@ Return Value:
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// Use a try-except to handle the exception cases.
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//
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_SEH2_TRY {
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try {
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//
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// If the IrpContext is NULL then this is the first pass through
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@ -293,7 +321,7 @@ Return Value:
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CdSetThreadContext( IrpContext, &ThreadContext );
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#ifdef CD_SANITY
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ASSERT( !CdTestTopLevel ||
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NT_ASSERT( !CdTestTopLevel ||
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SafeNodeType( IrpContext->TopLevel ) == CDFS_NTC_IRP_CONTEXT );
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#endif
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@ -347,6 +375,11 @@ Return Value:
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break;
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case IRP_MJ_WRITE :
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Status = CdCommonWrite( IrpContext, Irp );
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break;
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case IRP_MJ_QUERY_INFORMATION :
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Status = CdCommonQueryInfo( IrpContext, Irp );
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@ -392,40 +425,46 @@ Return Value:
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Status = CdCommonPnp( IrpContext, Irp );
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break;
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case IRP_MJ_SHUTDOWN :
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Status = CdCommonShutdown( IrpContext, Irp );
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break;
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default :
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Status = STATUS_INVALID_DEVICE_REQUEST;
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CdCompleteRequest( IrpContext, Irp, Status );
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}
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} _SEH2_EXCEPT( CdExceptionFilter( IrpContext, _SEH2_GetExceptionInformation() )) {
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} except( CdExceptionFilter( IrpContext, GetExceptionInformation() )) {
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Status = CdProcessException( IrpContext, Irp, _SEH2_GetExceptionCode() );
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} _SEH2_END;
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Status = CdProcessException( IrpContext, Irp, GetExceptionCode() );
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}
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} while (Status == STATUS_CANT_WAIT);
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#ifdef CD_SANITY
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ASSERT( !CdTestTopLevel ||
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NT_ASSERT( !CdTestTopLevel ||
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(PreviousTopLevel == IoGetTopLevelIrp()) );
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#endif
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FsRtlExitFileSystem();
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ASSERT( SaveIrql == KeGetCurrentIrql( ));
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NT_ASSERT( SaveIrql == KeGetCurrentIrql( ));
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return Status;
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}
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#ifdef CD_SANITY
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VOID
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CdRaiseStatusEx(
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IN PIRP_CONTEXT IrpContext,
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IN NTSTATUS Status,
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IN BOOLEAN NormalizeStatus,
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IN OPTIONAL ULONG FileId,
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IN OPTIONAL ULONG Line
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CdRaiseStatusEx (
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_In_ PIRP_CONTEXT IrpContext,
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_In_ NTSTATUS Status,
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_In_ BOOLEAN NormalizeStatus,
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_In_opt_ ULONG FileId,
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_In_opt_ ULONG Line
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)
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{
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BOOLEAN BreakIn = FALSE;
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@ -461,7 +500,7 @@ CdRaiseStatusEx(
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DbgPrint( "CDFS: Contact CDFS.SYS component owner for triage.\n");
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DbgPrint( "CDFS: 'eb %p 0;eb %p 0' to disable this alert.\n", &CdTestRaisedStatus, &CdBreakOnAnyRaise);
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DbgBreakPoint();
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NT_ASSERT(FALSE);
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}
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if (NormalizeStatus) {
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@ -480,10 +519,11 @@ CdRaiseStatusEx(
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#endif
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LONG
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CdExceptionFilter (
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IN PIRP_CONTEXT IrpContext,
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IN PEXCEPTION_POINTERS ExceptionPointer
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_Inout_ PIRP_CONTEXT IrpContext,
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_In_ PEXCEPTION_POINTERS ExceptionPointer
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)
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/*++
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@ -557,6 +597,7 @@ Return Value:
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if (TestStatus && !FsRtlIsNtstatusExpected( ExceptionCode )) {
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#pragma prefast( suppress: __WARNING_USE_OTHER_FUNCTION, "We're corrupted." )
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CdBugCheck( (ULONG_PTR) ExceptionPointer->ExceptionRecord,
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(ULONG_PTR) ExceptionPointer->ContextRecord,
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(ULONG_PTR) ExceptionPointer->ExceptionRecord->ExceptionAddress );
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@ -567,11 +608,13 @@ Return Value:
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}
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_Requires_lock_held_(_Global_critical_region_)
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NTSTATUS
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CdProcessException (
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IN PIRP_CONTEXT IrpContext OPTIONAL,
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IN PIRP Irp,
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IN NTSTATUS ExceptionCode
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_In_opt_ PIRP_CONTEXT IrpContext,
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_Inout_ PIRP Irp,
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_In_ NTSTATUS ExceptionCode
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)
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/*++
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@ -601,7 +644,7 @@ Return Value:
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--*/
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{
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PDEVICE_OBJECT Device;
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PDEVICE_OBJECT Device = NULL;
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PVPB Vpb;
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PETHREAD Thread;
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@ -625,17 +668,6 @@ Return Value:
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ExceptionCode = IrpContext->ExceptionStatus;
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//
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// If we are not a top level request then we just complete the request
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// with the current status code.
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//
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if (!FlagOn( IrpContext->Flags, IRP_CONTEXT_FLAG_TOP_LEVEL )) {
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CdCompleteRequest( IrpContext, Irp, ExceptionCode );
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return ExceptionCode;
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}
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//
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// Check if we are posting this request. One of the following must be true
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// if we are to post a request.
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@ -644,7 +676,8 @@ Return Value:
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// or we are forcing this to be posted.
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//
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// - Status code is STATUS_VERIFY_REQUIRED and we are at APC level
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// or higher. Can't wait for IO in the verify path in this case.
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// or higher, or within a guarded region. Can't wait for IO in
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// the verify path in this case.
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//
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// Set the MORE_PROCESSING flag in the IrpContext to keep if from being
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// deleted if this is a retryable condition.
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@ -653,27 +686,26 @@ Return Value:
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// Note that (children of) CdFsdPostRequest can raise (Mdl allocation).
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//
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_SEH2_TRY {
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try {
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if (ExceptionCode == STATUS_CANT_WAIT) {
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if (FlagOn( IrpContext->Flags, IRP_CONTEXT_FLAG_FORCE_POST )) {
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ExceptionCode = CdFsdPostRequest( IrpContext, Irp );
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}
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} else if (ExceptionCode == STATUS_VERIFY_REQUIRED) {
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if (KeGetCurrentIrql() >= APC_LEVEL) {
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ExceptionCode = CdFsdPostRequest( IrpContext, Irp );
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}
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}
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else if ((ExceptionCode == STATUS_VERIFY_REQUIRED) &&
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FlagOn( IrpContext->Flags, IRP_CONTEXT_FLAG_TOP_LEVEL ) &&
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KeAreAllApcsDisabled()) {
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ExceptionCode = CdFsdPostRequest( IrpContext, Irp );
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}
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}
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_SEH2_EXCEPT( CdExceptionFilter( IrpContext, _SEH2_GetExceptionInformation() )) {
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except( CdExceptionFilter( IrpContext, GetExceptionInformation() )) {
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ExceptionCode = _SEH2_GetExceptionCode();
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} _SEH2_END;
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ExceptionCode = GetExceptionCode();
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}
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//
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// If we posted the request or our caller will retry then just return here.
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@ -687,6 +719,17 @@ Return Value:
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ClearFlag( IrpContext->Flags, IRP_CONTEXT_FLAG_MORE_PROCESSING );
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//
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// If we are not a top level request then we just complete the request
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// with the current status code.
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//
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if (!FlagOn( IrpContext->Flags, IRP_CONTEXT_FLAG_TOP_LEVEL )) {
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CdCompleteRequest( IrpContext, Irp, ExceptionCode );
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return ExceptionCode;
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}
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//
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// Store this error into the Irp for posting back to the Io system.
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//
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@ -722,20 +765,34 @@ Return Value:
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Device = IoGetDeviceToVerify( PsGetCurrentThread() );
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IoSetDeviceToVerify( PsGetCurrentThread(), NULL );
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ASSERT( Device != NULL );
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NT_ASSERT( Device != NULL );
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//
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// Let's not BugCheck just because the driver messes up.
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//
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}
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if (Device == NULL) {
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//
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// It turns out some storage drivers really do set invalid non-NULL device
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// objects to verify.
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//
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// To work around this, completely ignore the device to verify in the thread,
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// and just use our real device object instead.
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//
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ExceptionCode = STATUS_DRIVER_INTERNAL_ERROR;
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if (IrpContext->Vcb) {
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CdCompleteRequest( IrpContext, Irp, ExceptionCode );
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Device = IrpContext->Vcb->Vpb->RealDevice;
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}
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return ExceptionCode;
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}
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//
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// Let's not BugCheck just because the device to verify is somehow still NULL.
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//
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if (Device == NULL) {
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ExceptionCode = STATUS_DRIVER_INTERNAL_ERROR;
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CdCompleteRequest( IrpContext, Irp, ExceptionCode );
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return ExceptionCode;
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}
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//
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@ -773,6 +830,7 @@ Return Value:
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Vpb = NULL;
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}
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//
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// The device to verify is either in my thread local storage
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// or that of the thread that owns the Irp.
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@ -786,18 +844,31 @@ Return Value:
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Thread = PsGetCurrentThread();
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Device = IoGetDeviceToVerify( Thread );
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ASSERT( Device != NULL );
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NT_ASSERT( Device != NULL );
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}
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//
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// Let's not BugCheck just because the driver messes up.
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//
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//
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// It turns out some storage drivers really do set invalid non-NULL device
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// objects to verify.
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//
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// To work around this, completely ignore the device to verify in the thread,
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// and just use our real device object instead.
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//
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if (Device == NULL) {
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if (IrpContext->Vcb) {
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CdCompleteRequest( IrpContext, Irp, ExceptionCode );
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Device = IrpContext->Vcb->Vpb->RealDevice;
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}
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return ExceptionCode;
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}
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//
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// Let's not BugCheck just because the device to verify is somehow still NULL.
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//
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if (Device == NULL) {
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CdCompleteRequest( IrpContext, Irp, ExceptionCode );
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return ExceptionCode;
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}
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//
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@ -839,9 +910,9 @@ Return Value:
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VOID
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CdCompleteRequest (
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IN PIRP_CONTEXT IrpContext OPTIONAL,
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IN PIRP Irp OPTIONAL,
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IN NTSTATUS Status
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_Inout_opt_ PIRP_CONTEXT IrpContext,
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_Inout_opt_ PIRP Irp,
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_In_ NTSTATUS Status
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)
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/*++
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@ -906,8 +977,8 @@ Return Value:
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VOID
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CdSetThreadContext (
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IN PIRP_CONTEXT IrpContext,
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IN PTHREAD_CONTEXT ThreadContext
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_Inout_ PIRP_CONTEXT IrpContext,
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_In_ PTHREAD_CONTEXT ThreadContext
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)
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/*++
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@ -938,8 +1009,6 @@ Return Value:
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{
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PTHREAD_CONTEXT CurrentThreadContext;
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ULONG_PTR StackTop;
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ULONG_PTR StackBottom;
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PAGED_CODE();
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@ -971,12 +1040,9 @@ Return Value:
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// If this is not a valid Cdfs context then use the input thread
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// context and store it in the top level context.
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//
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IoGetStackLimits( &StackTop, &StackBottom);
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#pragma warning(suppress: 6011) // Bug in PREFast around bitflag operations
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if (FlagOn( IrpContext->Flags, IRP_CONTEXT_FLAG_TOP_LEVEL ) ||
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(((ULONG_PTR) CurrentThreadContext > StackBottom - sizeof( THREAD_CONTEXT )) ||
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((ULONG_PTR) CurrentThreadContext <= StackTop) ||
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(!IoWithinStackLimits( (ULONG_PTR)CurrentThreadContext, sizeof( THREAD_CONTEXT ) ) ||
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FlagOn( (ULONG_PTR) CurrentThreadContext, 0x3 ) ||
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(CurrentThreadContext->Cdfs != 0x53464443))) {
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@ -1002,18 +1068,23 @@ Return Value:
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return;
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}
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_Function_class_(FAST_IO_CHECK_IF_POSSIBLE)
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_IRQL_requires_same_
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_Success_(return != FALSE)
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BOOLEAN
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NTAPI /* ReactOS Change: GCC Does not support STDCALL by default */
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CdFastIoCheckIfPossible (
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IN PFILE_OBJECT FileObject,
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IN PLARGE_INTEGER FileOffset,
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IN ULONG Length,
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IN BOOLEAN Wait,
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IN ULONG LockKey,
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IN BOOLEAN CheckForReadOperation,
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OUT PIO_STATUS_BLOCK IoStatus,
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IN PDEVICE_OBJECT DeviceObject
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_In_ PFILE_OBJECT FileObject,
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_In_ PLARGE_INTEGER FileOffset,
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_In_ ULONG Length,
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_In_ BOOLEAN Wait,
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_In_ ULONG LockKey,
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_In_ BOOLEAN CheckForReadOperation,
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_Pre_notnull_
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_When_(return != FALSE, _Post_equal_to_(_Old_(IoStatus)))
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_When_(return == FALSE, _Post_valid_)
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PIO_STATUS_BLOCK IoStatus,
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_In_ PDEVICE_OBJECT DeviceObject
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)
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/*++
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|
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@ -1054,6 +1125,9 @@ Return Value:
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PAGED_CODE();
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UNREFERENCED_PARAMETER( Wait );
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UNREFERENCED_PARAMETER( DeviceObject );
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//
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// Decode the type of file object we're being asked to process and
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// make sure that is is only a user file open.
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|
|
@ -1090,8 +1164,8 @@ Return Value:
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ULONG
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CdSerial32 (
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IN PCHAR Buffer,
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IN ULONG ByteCount
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_In_reads_bytes_(ByteCount) PCHAR Buffer,
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_In_ ULONG ByteCount
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)
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/*++
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|
|||
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Reference in a new issue