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C++
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#include "udffs.h"
#include "CDRW/scsi_port.h"
#define UDF_CURRENT_BUILD 123456789
// define the file specific bug-check id#ifdef UDF_BUG_CHECK_ID#undef UDF_BUG_CHECK_ID#endif#define UDF_BUG_CHECK_ID UDF_FILE_DEVICE_CONTROL
NTSTATUSUDFGetFileAllocModeFromICB( PtrUDFIrpContext PtrIrpContext, PIRP Irp );
NTSTATUSUDFSetFileAllocModeFromICB( PtrUDFIrpContext IrpContext, PIRP Irp );
NTSTATUSUDFProcessLicenseKey( PtrUDFIrpContext IrpContext, PIRP Irp );
/*#if(_WIN32_WINNT < 0x0400)#define IOCTL_REDIR_QUERY_PATH CTL_CODE(FILE_DEVICE_NETWORK_FILE_SYSTEM, 99, METHOD_NEITHER, FILE_ANY_ACCESS)
typedef struct _QUERY_PATH_REQUEST { ULONG PathNameLength; PIO_SECURITY_CONTEXT SecurityContext; WCHAR FilePathName[1];} QUERY_PATH_REQUEST, *PQUERY_PATH_REQUEST;
typedef struct _QUERY_PATH_RESPONSE { ULONG LengthAccepted;} QUERY_PATH_RESPONSE, *PQUERY_PATH_RESPONSE;
#endif*/
/*************************************************************************** Function: UDFDeviceControl()** Description:* The I/O Manager will invoke this routine to handle a Device IOCTL* request** Expected Interrupt Level (for execution) :** IRQL_PASSIVE_LEVEL (invocation at higher IRQL will cause execution* to be deferred to a worker thread context)** Return Value: STATUS_SUCCESS/Error**************************************************************************/NTSTATUSNTAPIUDFDeviceControl( PDEVICE_OBJECT DeviceObject, // the logical volume device object PIRP Irp) // I/O Request Packet{ NTSTATUS RC = STATUS_SUCCESS; PtrUDFIrpContext PtrIrpContext = NULL; BOOLEAN AreWeTopLevel = FALSE;
TmPrint(("UDFDeviceControl: \n"));
FsRtlEnterFileSystem(); ASSERT(DeviceObject); ASSERT(Irp);
// set the top level context AreWeTopLevel = UDFIsIrpTopLevel(Irp); //ASSERT(!UDFIsFSDevObj(DeviceObject));
_SEH2_TRY {
// get an IRP context structure and issue the request PtrIrpContext = UDFAllocateIrpContext(Irp, DeviceObject); if(PtrIrpContext) { RC = UDFCommonDeviceControl(PtrIrpContext, Irp); } else { RC = STATUS_INSUFFICIENT_RESOURCES; Irp->IoStatus.Status = RC; Irp->IoStatus.Information = 0; // complete the IRP IoCompleteRequest(Irp, IO_DISK_INCREMENT); }
} _SEH2_EXCEPT(UDFExceptionFilter(PtrIrpContext, _SEH2_GetExceptionInformation())) {
RC = UDFExceptionHandler(PtrIrpContext, Irp);
UDFLogEvent(UDF_ERROR_INTERNAL_ERROR, RC); } _SEH2_END;
if (AreWeTopLevel) { IoSetTopLevelIrp(NULL); }
FsRtlExitFileSystem();
return(RC);} // end UDFDeviceControl()
/*************************************************************************** Function: UDFCommonDeviceControl()** Description:* The actual work is performed here. This routine may be invoked in one'* of the two possible contexts:* (a) in the context of a system worker thread* (b) in the context of the original caller** Expected Interrupt Level (for execution) :** IRQL_PASSIVE_LEVEL** Return Value: STATUS_SUCCESS/Error**************************************************************************/NTSTATUSNTAPIUDFCommonDeviceControl( PtrUDFIrpContext PtrIrpContext, PIRP Irp ){ NTSTATUS RC = STATUS_SUCCESS; PIO_STACK_LOCATION IrpSp = NULL;// PIO_STACK_LOCATION PtrNextIoStackLocation = NULL; PFILE_OBJECT FileObject = NULL; PtrUDFFCB Fcb = NULL; PtrUDFCCB Ccb = NULL; PVCB Vcb = NULL; BOOLEAN CompleteIrp = FALSE; ULONG IoControlCode = 0;// PVOID BufferPointer = NULL; BOOLEAN AcquiredVcb = FALSE; BOOLEAN FSDevObj; ULONG TrackNumber; BOOLEAN UnsafeIoctl = TRUE; UCHAR ScsiCommand; PPREVENT_MEDIA_REMOVAL_USER_IN Buf = NULL; // FSD buffer PCDB Cdb; PCHAR CdbData; PCHAR ModeSelectData;
UDFPrint(("UDFCommonDeviceControl\n"));
_SEH2_TRY { // First, get a pointer to the current I/O stack location IrpSp = IoGetCurrentIrpStackLocation(Irp); ASSERT(IrpSp);
// Get the IoControlCode value IoControlCode = IrpSp->Parameters.DeviceIoControl.IoControlCode;
FileObject = IrpSp->FileObject; ASSERT(FileObject);
FSDevObj = UDFIsFSDevObj(PtrIrpContext->TargetDeviceObject);
if(FSDevObj) { switch (IoControlCode) { case IOCTL_UDF_DISABLE_DRIVER: case IOCTL_UDF_INVALIDATE_VOLUMES: case IOCTL_UDF_SET_NOTIFICATION_EVENT:#ifndef UDF_READ_ONLY_BUILD case IOCTL_UDF_SEND_LICENSE_KEY:#endif //UDF_READ_ONLY_BUILD case IOCTL_UDF_REGISTER_AUTOFORMAT: break; default: UDFPrint(("UDFCommonDeviceControl: STATUS_INVALID_PARAMETER %x for FsDevObj\n", IoControlCode)); CompleteIrp = TRUE; try_return(RC = STATUS_INVALID_PARAMETER); } } else { Ccb = (PtrUDFCCB)(FileObject->FsContext2); if(!Ccb) { UDFPrint((" !Ccb\n")); goto ioctl_do_default; } ASSERT(Ccb); Fcb = Ccb->Fcb; ASSERT(Fcb);
// Check if the IOCTL is suitable for this type of File if (Fcb->NodeIdentifier.NodeType == UDF_NODE_TYPE_VCB) { // Everything is acceptable for Volume Vcb = (PVCB)(Fcb); } else { Vcb = Fcb->Vcb; CompleteIrp = TRUE; // For files/disrs only the following are acceptable switch (IoControlCode) { case IOCTL_UDF_GET_RETRIEVAL_POINTERS: case IOCTL_UDF_GET_FILE_ALLOCATION_MODE: case IOCTL_UDF_SET_FILE_ALLOCATION_MODE: break; default: UDFPrint(("UDFCommonDeviceControl: STATUS_INVALID_PARAMETER %x for File/Dir Obj\n", IoControlCode)); try_return(RC = STATUS_INVALID_PARAMETER); } } // check 'safe' IOCTLs switch (IoControlCode) { case IOCTL_CDROM_RAW_READ:
case IOCTL_CDROM_GET_DRIVE_GEOMETRY: case IOCTL_DISK_GET_DRIVE_GEOMETRY: case IOCTL_DISK_GET_PARTITION_INFO: case IOCTL_DISK_GET_DRIVE_LAYOUT:
case IOCTL_CDROM_GET_DRIVE_GEOMETRY_EX: case IOCTL_DISK_GET_PARTITION_INFO_EX: case IOCTL_DISK_GET_DRIVE_LAYOUT_EX: case IOCTL_DISK_GET_DRIVE_GEOMETRY_EX:
case IOCTL_STORAGE_CHECK_VERIFY: case IOCTL_STORAGE_CHECK_VERIFY2: case IOCTL_DISK_CHECK_VERIFY: case IOCTL_CDROM_CHECK_VERIFY:
case IOCTL_CDROM_LOAD_MEDIA: case IOCTL_DISK_LOAD_MEDIA: case IOCTL_STORAGE_LOAD_MEDIA: case IOCTL_STORAGE_LOAD_MEDIA2:
case IOCTL_CDROM_GET_CONFIGURATION: case IOCTL_CDROM_GET_LAST_SESSION: case IOCTL_CDROM_READ_TOC: case IOCTL_CDROM_READ_TOC_EX: case IOCTL_CDROM_PLAY_AUDIO_MSF: case IOCTL_CDROM_READ_Q_CHANNEL: case IOCTL_CDROM_PAUSE_AUDIO: case IOCTL_CDROM_RESUME_AUDIO: case IOCTL_CDROM_SEEK_AUDIO_MSF: case IOCTL_CDROM_STOP_AUDIO: case IOCTL_CDROM_GET_CONTROL: case IOCTL_CDROM_GET_VOLUME: case IOCTL_CDROM_SET_VOLUME:
case IOCTL_CDRW_SET_SPEED: case IOCTL_CDRW_GET_CAPABILITIES: case IOCTL_CDRW_GET_MEDIA_TYPE_EX: case IOCTL_CDRW_GET_MEDIA_TYPE:
case IOCTL_DISK_GET_MEDIA_TYPES: case IOCTL_STORAGE_GET_MEDIA_TYPES: case IOCTL_STORAGE_GET_MEDIA_TYPES_EX:
case IOCTL_DISK_IS_WRITABLE:
case IOCTL_CDRW_GET_WRITE_MODE: case IOCTL_CDRW_READ_TRACK_INFO: case IOCTL_CDRW_READ_DISC_INFO: case IOCTL_CDRW_BUFFER_CAPACITY: case IOCTL_CDRW_GET_SIGNATURE: case IOCTL_CDRW_TEST_UNIT_READY: case IOCTL_CDRW_GET_LAST_ERROR: case IOCTL_CDRW_MODE_SENSE: case IOCTL_CDRW_LL_READ: case IOCTL_CDRW_READ_ATIP: case IOCTL_CDRW_READ_CD_TEXT: case IOCTL_CDRW_READ_TOC_EX: case IOCTL_CDRW_READ_FULL_TOC: case IOCTL_CDRW_READ_PMA: case IOCTL_CDRW_READ_SESSION_INFO: case IOCTL_CDRW_GET_DEVICE_INFO: case IOCTL_CDRW_GET_EVENT:
case IOCTL_DVD_READ_STRUCTURE:
case IOCTL_CDRW_GET_DEVICE_NAME: case IOCTL_MOUNTDEV_QUERY_DEVICE_NAME:
case IOCTL_UDF_GET_RETRIEVAL_POINTERS: case IOCTL_UDF_GET_SPEC_RETRIEVAL_POINTERS: case IOCTL_UDF_GET_FILE_ALLOCATION_MODE: case IOCTL_UDF_GET_VERSION: case IOCTL_UDF_IS_VOLUME_JUST_MOUNTED: case IOCTL_UDF_SET_OPTIONS:// case :
case FSCTL_IS_VOLUME_DIRTY:
UnsafeIoctl = FALSE; break; }
if(IoControlCode != IOCTL_CDROM_DISK_TYPE) { UDFAcquireResourceShared(&(Vcb->VCBResource), TRUE); } else { UDFAcquireResourceExclusive(&(Vcb->VCBResource), TRUE); } AcquiredVcb = TRUE; }
UDFPrint(("UDF Irp %x, ctx %x, DevIoCtl %x\n", Irp, PtrIrpContext, IoControlCode));
// We may wish to allow only volume open operations. switch (IoControlCode) {
case IOCTL_SCSI_PASS_THROUGH_DIRECT: case IOCTL_SCSI_PASS_THROUGH:
if(!Irp->AssociatedIrp.SystemBuffer) goto ioctl_do_default;
if(IoControlCode == IOCTL_SCSI_PASS_THROUGH_DIRECT) { Cdb = (PCDB)&(((PSCSI_PASS_THROUGH_DIRECT)(Irp->AssociatedIrp.SystemBuffer))->Cdb); CdbData = (PCHAR)(((PSCSI_PASS_THROUGH_DIRECT)(Irp->AssociatedIrp.SystemBuffer))->DataBuffer); } else { Cdb = (PCDB)&(((PSCSI_PASS_THROUGH)(Irp->AssociatedIrp.SystemBuffer))->Cdb); if(((PSCSI_PASS_THROUGH)(Irp->AssociatedIrp.SystemBuffer))->DataBufferOffset) { CdbData = ((PCHAR)Cdb) + ((PSCSI_PASS_THROUGH)(Irp->AssociatedIrp.SystemBuffer))->DataBufferOffset; } else { CdbData = NULL; } } ScsiCommand = Cdb->CDB6.OperationCode;
if(ScsiCommand == SCSIOP_WRITE_CD) { UDFPrint(("Write10, LBA %2.2x%2.2x%2.2x%2.2x\n", Cdb->WRITE_CD.LBA[0], Cdb->WRITE_CD.LBA[1], Cdb->WRITE_CD.LBA[2], Cdb->WRITE_CD.LBA[3] )); } else if(ScsiCommand == SCSIOP_WRITE12) { UDFPrint(("Write12, LBA %2.2x%2.2x%2.2x%2.2x\n", Cdb->CDB12READWRITE.LBA[0], Cdb->CDB12READWRITE.LBA[1], Cdb->CDB12READWRITE.LBA[2], Cdb->CDB12READWRITE.LBA[3] )); } else { }
switch(ScsiCommand) { case SCSIOP_MODE_SELECT: {// PMODE_PARAMETER_HEADER ParamHdr = (PMODE_PARAMETER_HEADER)CdbData; ModeSelectData = CdbData+4; switch(ModeSelectData[0]) { case MODE_PAGE_MRW2: case MODE_PAGE_WRITE_PARAMS: case MODE_PAGE_MRW: UDFPrint(("Unsafe MODE_SELECT_6 via pass-through (%2.2x)\n", ModeSelectData[0])); goto unsafe_direct_scsi_cmd; } break; }
case SCSIOP_MODE_SELECT10: {// PMODE_PARAMETER_HEADER10 ParamHdr = (PMODE_PARAMETER_HEADER10)CdbData; ModeSelectData = CdbData+8; switch(ModeSelectData[0]) { case MODE_PAGE_MRW2: case MODE_PAGE_WRITE_PARAMS: case MODE_PAGE_MRW: UDFPrint(("Unsafe MODE_SELECT_10 via pass-through (%2.2x)\n", ModeSelectData[0])); goto unsafe_direct_scsi_cmd; } break; }
case SCSIOP_RESERVE_TRACK: case SCSIOP_SEND_CUE_SHEET: case SCSIOP_SEND_DVD_STRUCTURE: case SCSIOP_CLOSE_TRACK_SESSION: case SCSIOP_FORMAT_UNIT: case SCSIOP_WRITE6: case SCSIOP_WRITE_CD: case SCSIOP_BLANK: case SCSIOP_WRITE12: case SCSIOP_SET_STREAMING: UDFPrint(("UDF Direct media modification via pass-through (%2.2x)\n", ScsiCommand));unsafe_direct_scsi_cmd: if(!(Vcb->VCBFlags & UDF_VCB_FLAGS_VOLUME_MOUNTED)) goto ioctl_do_default;
UDFPrint(("Forget this volume\n")); // Acquire Vcb resource (Shared -> Exclusive) UDFInterlockedIncrement((PLONG)&(Vcb->VCBOpenCount)); UDFReleaseResource(&(Vcb->VCBResource));
if(!(Vcb->VCBFlags & UDF_VCB_FLAGS_RAW_DISK)) { UDFCloseAllSystemDelayedInDir(Vcb, Vcb->RootDirFCB->FileInfo); }#ifdef UDF_DELAYED_CLOSE // Acquire exclusive access to the Vcb. UDFCloseAllDelayed(Vcb);#endif //UDF_DELAYED_CLOSE
// allocate tmp buffer for FSD calls Buf = (PPREVENT_MEDIA_REMOVAL_USER_IN)MyAllocatePool__(NonPagedPool, sizeof(PREVENT_MEDIA_REMOVAL_USER_IN)); if(!Buf) try_return(RC = STATUS_INSUFFICIENT_RESOURCES);
UDFAcquireResourceExclusive(&(Vcb->VCBResource), TRUE); AcquiredVcb = TRUE; UDFInterlockedDecrement((PLONG)&(Vcb->VCBOpenCount));
UDFDoDismountSequence(Vcb, Buf, FALSE); MyFreePool__(Buf); Buf = NULL; Vcb->MediaLockCount = 0;
Vcb->VCBFlags &= ~UDF_VCB_FLAGS_VOLUME_MOUNTED; Vcb->WriteSecurity = FALSE;
// Release the Vcb resource. UDFReleaseResource(&(Vcb->VCBResource)); AcquiredVcb = FALSE; // disable Eject Request Waiter if any UDFStopEjectWaiter(Vcb);
// Make sure, that volume will never be quick-remounted // It is very important for ChkUdf utility and // some CD-recording libraries Vcb->SerialNumber--;
UDFPrint(("Forgotten\n"));
goto notify_media_change;
case SCSIOP_START_STOP_UNIT: case SCSIOP_DOORLOCK: case SCSIOP_DOORUNLOCK: case SCSIOP_MEDIUM_REMOVAL: UDFPrint(("UDF Medium/Tray control IOCTL via pass-through\n")); } goto ioctl_do_default;
case IOCTL_CDRW_BLANK: case IOCTL_CDRW_LL_WRITE: case IOCTL_CDRW_FORMAT_UNIT:
notify_media_change:/* Vcb->VCBFlags |= UDF_VCB_FLAGS_UNSAFE_IOCTL; // Make sure, that volume will never be quick-remounted // It is very important for ChkUdf utility and // some CD-recording libraries Vcb->SerialNumber--;*/ goto ioctl_do_default;
case IOCTL_UDF_REGISTER_AUTOFORMAT: {
UDFPrint(("UDF Register Autoformat\n")); if(UDFGlobalData.AutoFormatCount) { RC = STATUS_SHARING_VIOLATION; } else { UDFGlobalData.AutoFormatCount = FileObject; RC = STATUS_SUCCESS; } CompleteIrp = TRUE; Irp->IoStatus.Information = 0; break; }
case IOCTL_UDF_DISABLE_DRIVER: {
UDFPrint(("UDF Disable driver\n")); IoUnregisterFileSystem(UDFGlobalData.UDFDeviceObject); // Now, delete any device objects, etc. we may have created if (UDFGlobalData.UDFDeviceObject) { IoDeleteDevice(UDFGlobalData.UDFDeviceObject); UDFGlobalData.UDFDeviceObject = NULL; }
// free up any memory we might have reserved for zones/lookaside // lists if (UDFGlobalData.UDFFlags & UDF_DATA_FLAGS_ZONES_INITIALIZED) { UDFDestroyZones(); }
// delete the resource we may have initialized if (UDFGlobalData.UDFFlags & UDF_DATA_FLAGS_RESOURCE_INITIALIZED) { // un-initialize this resource UDFDeleteResource(&(UDFGlobalData.GlobalDataResource)); UDFClearFlag(UDFGlobalData.UDFFlags, UDF_DATA_FLAGS_RESOURCE_INITIALIZED); } RC = STATUS_SUCCESS; CompleteIrp = TRUE; Irp->IoStatus.Information = 0; break; } case IOCTL_UDF_INVALIDATE_VOLUMES: { UDFPrint(("UDF Invaidate volume\n")); if(AcquiredVcb) { UDFReleaseResource(&(Vcb->VCBResource)); AcquiredVcb = FALSE; } RC = UDFInvalidateVolumes( PtrIrpContext, Irp ); CompleteIrp = TRUE; Irp->IoStatus.Information = 0; break; }
case IOCTL_UDF_SET_NOTIFICATION_EVENT: { if (IrpSp->Parameters.DeviceIoControl.InputBufferLength != sizeof(HANDLE)) { RC = STATUS_INVALID_PARAMETER; } else { HANDLE MountEventHandle = *(PHANDLE)Irp->AssociatedIrp.SystemBuffer; if (MountEventHandle) { if (!UDFGlobalData.MountEvent) { RC = ObReferenceObjectByHandle( MountEventHandle, 0, NULL, UserMode, (PVOID *) &UDFGlobalData.MountEvent, NULL);
if (!NT_SUCCESS(RC)) { UDFGlobalData.MountEvent = NULL; } } else { RC = STATUS_INVALID_PARAMETER; } } else { if (!UDFGlobalData.MountEvent) { RC = STATUS_INVALID_PARAMETER; } else { ObDereferenceObject(UDFGlobalData.MountEvent); UDFGlobalData.MountEvent = NULL; } } }
CompleteIrp = TRUE; Irp->IoStatus.Information = 0; break; }
case IOCTL_UDF_IS_VOLUME_JUST_MOUNTED: { if (IrpSp->Parameters.DeviceIoControl.OutputBufferLength < sizeof(BOOLEAN)) { RC = STATUS_INVALID_PARAMETER; } else { *(PBOOLEAN)Irp->AssociatedIrp.SystemBuffer = Vcb->IsVolumeJustMounted; Vcb->IsVolumeJustMounted = FALSE; }
CompleteIrp = TRUE; Irp->IoStatus.Information = 0; break; }
//case FSCTL_GET_RETRIEVAL_POINTERS case IOCTL_UDF_GET_RETRIEVAL_POINTERS: { UDFPrint(("UDF: Get Retrieval Pointers\n")); RC = UDFGetRetrievalPointers( PtrIrpContext, Irp, 0 ); CompleteIrp = TRUE; break; } case IOCTL_UDF_GET_SPEC_RETRIEVAL_POINTERS: { UDFPrint(("UDF: Get Spec Retrieval Pointers\n")); PUDF_GET_SPEC_RETRIEVAL_POINTERS_IN SpecRetrPointer; SpecRetrPointer = (PUDF_GET_SPEC_RETRIEVAL_POINTERS_IN)(Irp->AssociatedIrp.SystemBuffer); RC = UDFGetRetrievalPointers( PtrIrpContext, Irp, SpecRetrPointer->Special ); CompleteIrp = TRUE; break; } case IOCTL_UDF_GET_FILE_ALLOCATION_MODE: { UDFPrint(("UDF: Get File Alloc mode (from ICB)\n")); RC = UDFGetFileAllocModeFromICB( PtrIrpContext, Irp ); CompleteIrp = TRUE; break; }#ifndef UDF_READ_ONLY_BUILD case IOCTL_UDF_SET_FILE_ALLOCATION_MODE: { UDFPrint(("UDF: Set File Alloc mode\n")); RC = UDFSetFileAllocModeFromICB( PtrIrpContext, Irp ); CompleteIrp = TRUE; break; }#endif //UDF_READ_ONLY_BUILD case IOCTL_UDF_LOCK_VOLUME_BY_PID: if(AcquiredVcb) { UDFReleaseResource(&(Vcb->VCBResource)); AcquiredVcb = FALSE; } RC = UDFLockVolume( PtrIrpContext, Irp, GetCurrentPID() ); CompleteIrp = TRUE; break; case IOCTL_UDF_UNLOCK_VOLUME_BY_PID: if(AcquiredVcb) { UDFReleaseResource(&(Vcb->VCBResource)); AcquiredVcb = FALSE; } RC = UDFUnlockVolume( PtrIrpContext, Irp, GetCurrentPID() ); CompleteIrp = TRUE; break;#ifndef UDF_READ_ONLY_BUILD case IOCTL_UDF_SEND_LICENSE_KEY: RC = STATUS_SUCCESS;
Irp->IoStatus.Information = 0; Irp->IoStatus.Status = STATUS_SUCCESS; CompleteIrp = TRUE; break;#endif //UDF_READ_ONLY_BUILD case IOCTL_UDF_GET_VERSION: {
PUDF_GET_VERSION_OUT udf_ver;
UDFPrint(("UDFUserFsCtrlRequest: IOCTL_UDF_GET_VERSION\n"));
Irp->IoStatus.Information = 0; CompleteIrp = TRUE;
if(!IrpSp->Parameters.DeviceIoControl.OutputBufferLength) { UDFPrint(("!OutputBufferLength\n")); try_return(RC = STATUS_SUCCESS); } // Check the size of the output buffer. if(IrpSp->Parameters.DeviceIoControl.OutputBufferLength < sizeof(UDF_GET_VERSION_OUT)) { UDFPrint(("OutputBufferLength < %x\n", sizeof(UDF_GET_VERSION_OUT))); try_return(RC = STATUS_BUFFER_TOO_SMALL); }
udf_ver = (PUDF_GET_VERSION_OUT)(Irp->AssociatedIrp.SystemBuffer); if(!udf_ver) { UDFPrint(("!udf_ver\n")); try_return(RC = STATUS_INVALID_USER_BUFFER); }
RtlZeroMemory(udf_ver, IrpSp->Parameters.DeviceIoControl.OutputBufferLength);
udf_ver->header.Length = sizeof(UDF_GET_VERSION_OUT); udf_ver->header.DriverVersionMj = 0x00010005; udf_ver->header.DriverVersionMn = 0x12; udf_ver->header.DriverVersionBuild = UDF_CURRENT_BUILD;
udf_ver->FSVersionMj = Vcb->CurrentUDFRev >> 8; udf_ver->FSVersionMn = Vcb->CurrentUDFRev & 0xff; udf_ver->FSFlags = Vcb->UserFSFlags; if( ((Vcb->origIntegrityType == INTEGRITY_TYPE_OPEN) && (Vcb->CompatFlags & UDF_VCB_IC_DIRTY_RO)) || (Vcb->VCBFlags & UDF_VCB_FLAGS_VOLUME_READ_ONLY) ) { UDFPrint((" UDF_USER_FS_FLAGS_RO\n")); udf_ver->FSFlags |= UDF_USER_FS_FLAGS_RO; } if(Vcb->VCBFlags & UDF_VCB_FLAGS_OUR_DEVICE_DRIVER) { UDFPrint((" UDF_USER_FS_FLAGS_OUR_DRIVER\n")); udf_ver->FSFlags |= UDF_USER_FS_FLAGS_OUR_DRIVER; } if(Vcb->VCBFlags & UDF_VCB_FLAGS_RAW_DISK) { UDFPrint((" UDF_USER_FS_FLAGS_RAW\n")); udf_ver->FSFlags |= UDF_USER_FS_FLAGS_RAW; } if(Vcb->VCBFlags & UDF_VCB_FLAGS_MEDIA_READ_ONLY) { UDFPrint((" UDF_USER_FS_FLAGS_MEDIA_RO\n")); udf_ver->FSFlags |= UDF_USER_FS_FLAGS_MEDIA_RO; } if(Vcb->FP_disc) { UDFPrint((" UDF_USER_FS_FLAGS_FP\n")); udf_ver->FSFlags |= UDF_USER_FS_FLAGS_FP; } udf_ver->FSCompatFlags = Vcb->CompatFlags;
udf_ver->FSCfgVersion = Vcb->CfgVersion;
Irp->IoStatus.Information = sizeof(UDF_GET_VERSION_OUT); RC = STATUS_SUCCESS; CompleteIrp = TRUE;
break; } case IOCTL_UDF_SET_OPTIONS: {
PUDF_SET_OPTIONS_IN udf_opt; BOOLEAN PrevVerifyOnWrite;
UDFPrint(("UDF: IOCTL_UDF_SET_OPTIONS\n"));
Irp->IoStatus.Information = 0; CompleteIrp = TRUE;
if(IrpSp->Parameters.DeviceIoControl.InputBufferLength < sizeof(UDF_SET_OPTIONS_IN)) { UDFPrint(("InputBufferLength < %x\n", sizeof(UDF_SET_OPTIONS_IN))); try_return(RC = STATUS_BUFFER_TOO_SMALL); }
udf_opt = (PUDF_SET_OPTIONS_IN)(Irp->AssociatedIrp.SystemBuffer); if(!udf_opt) { UDFPrint(("!udf_opt\n")); try_return(RC = STATUS_INVALID_USER_BUFFER); }
if((udf_opt->header.Flags & UDF_SET_OPTIONS_FLAG_MASK) != UDF_SET_OPTIONS_FLAG_TEMPORARY) { UDFPrint(("invalid opt target\n")); try_return(RC = STATUS_INVALID_PARAMETER); }
if(AcquiredVcb) { UDFReleaseResource(&(Vcb->VCBResource)); AcquiredVcb = FALSE; } UDFAcquireResourceExclusive(&(Vcb->VCBResource), TRUE); AcquiredVcb = TRUE;
PrevVerifyOnWrite = Vcb->VerifyOnWrite;
Vcb->Cfg = ((PUCHAR)(udf_opt)) + udf_opt->header.HdrLength; Vcb->CfgLength = IrpSp->Parameters.DeviceIoControl.InputBufferLength - offsetof(UDF_SET_OPTIONS_IN, Data); UDFReadRegKeys(Vcb, TRUE /*update*/, TRUE /*cfg*/); Vcb->Cfg = NULL; Vcb->CfgLength = 0; Vcb->CfgVersion++; //UDFReadRegKeys(Vcb, TRUE /*update*/, TRUE); if(PrevVerifyOnWrite != Vcb->VerifyOnWrite) { if(Vcb->VerifyOnWrite) { UDFVInit(Vcb); } else { WCacheFlushBlocks__(&(Vcb->FastCache), Vcb, 0, Vcb->LastLBA); UDFVFlush(Vcb); UDFVRelease(Vcb); } }
RC = STATUS_SUCCESS; break; }#if 0 case IOCTL_UDF_GET_OPTIONS_VERSION: {
PUDF_GET_OPTIONS_VERSION_OUT udf_opt_ver;
UDFPrint(("UDF: IOCTL_UDF_GET_OPTIONS_VERSION\n"));
Irp->IoStatus.Information = 0; CompleteIrp = TRUE;
if(IrpSp->Parameters.DeviceIoControl.OutputBufferLength < sizeof(UDF_GET_OPTIONS_VERSION_OUT)) { UDFPrint(("OutputBufferLength < %x\n", sizeof(UDF_GET_OPTIONS_VERSION_OUT))); try_return(RC = STATUS_BUFFER_TOO_SMALL); }
udf_opt_ver = (PUDF_GET_OPTIONS_VERSION_OUT)(Irp->AssociatedIrp.SystemBuffer); if(!udf_opt_ver) { UDFPrint(("!udf_opt-ver\n")); try_return(RC = STATUS_INVALID_USER_BUFFER); }/* if(AcquiredVcb) { UDFReleaseResource(&(Vcb->VCBResource)); AcquiredVcb = FALSE; } UDFAcquireResourceShared(&(Vcb->VCBResource), TRUE); AcquiredVcb = TRUE;*/ udf_opt_ver->CfgVersion = Vcb->CfgVersion; Irp->IoStatus.Information = sizeof(UDF_GET_OPTIONS_VERSION_OUT);
RC = STATUS_SUCCESS; break; }#endif //0 case IOCTL_CDRW_RESET_DRIVER:
UDFPrint(("UDF: IOCTL_CDRW_RESET_DRIVER\n")); Vcb->MediaLockCount = 0; Vcb->VCBFlags &= ~UDF_VCB_FLAGS_MEDIA_LOCKED; goto ioctl_do_default;
case FSCTL_ALLOW_EXTENDED_DASD_IO:
UDFPrint(("UDFUserFsCtrlRequest: FSCTL_ALLOW_EXTENDED_DASD_IO\n")); // DASD i/o is always permitted // So, no-op this call RC = STATUS_SUCCESS;
Irp->IoStatus.Information = 0; Irp->IoStatus.Status = STATUS_SUCCESS; CompleteIrp = TRUE; break;
case FSCTL_IS_VOLUME_DIRTY:
UDFPrint(("UDFUserFsCtrlRequest: FSCTL_IS_VOLUME_DIRTY\n")); // DASD i/o is always permitted // So, no-op this call RC = UDFIsVolumeDirty(PtrIrpContext, Irp); CompleteIrp = TRUE; break;
case IOCTL_STORAGE_EJECT_MEDIA: case IOCTL_DISK_EJECT_MEDIA: case IOCTL_CDROM_EJECT_MEDIA: {
UDFPrint(("UDF Reset/Eject request\n"));// PPREVENT_MEDIA_REMOVAL_USER_IN Buf;
if(Vcb->EjectWaiter) { UDFPrint((" Vcb->EjectWaiter present\n")); Irp->IoStatus.Information = 0; Vcb->EjectWaiter->SoftEjectReq = TRUE; Vcb->SoftEjectReq = TRUE; CompleteIrp = TRUE; try_return(RC = STATUS_SUCCESS); } UDFPrint((" !Vcb->EjectWaiter\n")); goto ioctl_do_default;/* Buf = (PPREVENT_MEDIA_REMOVAL_USER_IN)MyAllocatePool__(NonPagedPool, sizeof(PREVENT_MEDIA_REMOVAL_USER_IN)); if(!Buf) try_return(RC = STATUS_INSUFFICIENT_RESOURCES); // Acquire Vcb resource (Shared -> Exclusive) UDFReleaseResource(&(Vcb->VCBResource)); UDFAcquireResourceExclusive(&(Vcb->VCBResource), TRUE);
Vcb->Vpb->RealDevice->Flags |= DO_VERIFY_VOLUME; Vcb->VCBFlags &= ~UDF_VCB_FLAGS_VOLUME_MOUNTED;
UDFDoDismountSequence(Vcb, Buf, IoControlCode == IOCTL_CDROM_EJECT_MEDIA); // disable Eject Request Waiter if any MyFreePool__(Buf); // Release the Vcb resource. UDFReleaseResource(&(Vcb->VCBResource)); AcquiredVcb = FALSE; UDFStopEjectWaiter(Vcb); CompleteIrp = TRUE; RC = STATUS_SUCCESS; break;*/ } case IOCTL_CDROM_DISK_TYPE: {
UDFPrint(("UDF Cdrom Disk Type\n")); CompleteIrp = TRUE; // Verify the Vcb in this case to detect if the volume has changed. Irp->IoStatus.Information = 0; RC = UDFVerifyVcb(PtrIrpContext,Vcb); if(!NT_SUCCESS(RC)) try_return(RC);
// Check the size of the output buffer. if (IrpSp->Parameters.DeviceIoControl.OutputBufferLength < sizeof(CDROM_DISK_DATA_USER_OUT)) try_return(RC = STATUS_BUFFER_TOO_SMALL);
// Copy the data from the Vcb. ((PCDROM_DISK_DATA_USER_OUT)(Irp->AssociatedIrp.SystemBuffer))->DiskData = CDROM_DISK_DATA_TRACK; for(TrackNumber=Vcb->FirstTrackNum; TrackNumber<Vcb->LastTrackNum; TrackNumber++) { if((Vcb->TrackMap[TrackNumber].TrackParam & Trk_QSubChan_Type_Mask) == Trk_QSubChan_Type_Audio) { ((PCDROM_DISK_DATA_USER_OUT)(Irp->AssociatedIrp.SystemBuffer))->DiskData |= CDROM_DISK_AUDIO_TRACK; break; } }
Irp->IoStatus.Information = sizeof(CDROM_DISK_DATA_USER_OUT); RC = STATUS_SUCCESS; break; }
case IOCTL_CDRW_LOCK_DOOR: case IOCTL_STORAGE_MEDIA_REMOVAL: case IOCTL_DISK_MEDIA_REMOVAL: case IOCTL_CDROM_MEDIA_REMOVAL: { UDFPrint(("UDF Lock/Unlock\n")); PPREVENT_MEDIA_REMOVAL_USER_IN buffer; // user supplied buffer buffer = (PPREVENT_MEDIA_REMOVAL_USER_IN)(Irp->AssociatedIrp.SystemBuffer); if(!buffer) { if(!(Vcb->VCBFlags & UDF_VCB_FLAGS_VOLUME_MOUNTED)) { UDFPrint(("!mounted\n")); goto ioctl_do_default; } UDFPrint(("abort\n")); CompleteIrp = TRUE; Irp->IoStatus.Information = 0; UnsafeIoctl = FALSE; RC = STATUS_INVALID_PARAMETER; break; } if(!buffer->PreventMediaRemoval && !Vcb->MediaLockCount) {
UDFPrint(("!locked + unlock req\n")); if(!(Vcb->VCBFlags & UDF_VCB_FLAGS_VOLUME_MOUNTED)) { UDFPrint(("!mounted\n")); goto ioctl_do_default; }#if 0 // allocate tmp buffer for FSD calls Buf = (PPREVENT_MEDIA_REMOVAL_USER_IN)MyAllocatePool__(NonPagedPool, sizeof(PREVENT_MEDIA_REMOVAL_USER_IN)); if(!Buf) try_return(RC = STATUS_INSUFFICIENT_RESOURCES);
// Acquire Vcb resource (Shared -> Exclusive) UDFInterlockedIncrement((PLONG)&(Vcb->VCBOpenCount)); UDFReleaseResource(&(Vcb->VCBResource));
#ifdef UDF_DELAYED_CLOSE // Acquire exclusive access to the Vcb. UDFCloseAllDelayed(Vcb);#endif //UDF_DELAYED_CLOSE
UDFAcquireResourceExclusive(&(Vcb->VCBResource), TRUE); UDFInterlockedDecrement((PLONG)&(Vcb->VCBOpenCount));
UDFDoDismountSequence(Vcb, Buf, FALSE); MyFreePool__(Buf); Buf = NULL; Vcb->MediaLockCount = 0; // Release the Vcb resource. UDFReleaseResource(&(Vcb->VCBResource)); AcquiredVcb = FALSE; // disable Eject Request Waiter if any UDFStopEjectWaiter(Vcb);#else // just ignore#endifignore_lock: UDFPrint(("ignore lock/unlock\n")); CompleteIrp = TRUE; Irp->IoStatus.Information = 0; RC = STATUS_SUCCESS; break; } if(buffer->PreventMediaRemoval) { UDFPrint(("lock req\n")); Vcb->MediaLockCount++; Vcb->VCBFlags |= UDF_VCB_FLAGS_MEDIA_LOCKED; UnsafeIoctl = FALSE; } else { UDFPrint(("unlock req\n")); if(Vcb->MediaLockCount) { UDFPrint(("lock count %d\n", Vcb->MediaLockCount)); UnsafeIoctl = FALSE; Vcb->MediaLockCount--; } } if(!(Vcb->VCBFlags & UDF_VCB_FLAGS_VOLUME_MOUNTED)) { UDFPrint(("!mounted\n")); goto ioctl_do_default; } goto ignore_lock; } default:
UDFPrint(("default processing Irp %x, ctx %x, DevIoCtl %x\n", Irp, PtrIrpContext, IoControlCode));ioctl_do_default:
// make sure volume is Sync'ed BEFORE sending unsafe IOCTL if(Vcb && UnsafeIoctl) { UDFFlushLogicalVolume(NULL, NULL, Vcb, 0); UDFPrint((" sync'ed\n")); } // Invoke the lower level driver in the chain. //PtrNextIoStackLocation = IoGetNextIrpStackLocation(Irp); //*PtrNextIoStackLocation = *IrpSp; IoSkipCurrentIrpStackLocation(Irp);/* // Set a completion routine. IoSetCompletionRoutine(Irp, UDFDevIoctlCompletion, PtrIrpContext, TRUE, TRUE, TRUE); // Send the request.*/ RC = IoCallDriver(Vcb->TargetDeviceObject, Irp); if(!CompleteIrp) { // since now we do not use IoSetCompletionRoutine() UDFReleaseIrpContext(PtrIrpContext); } break; }
if(Vcb && UnsafeIoctl) { UDFPrint((" set UnsafeIoctl\n")); Vcb->VCBFlags |= UDF_VCB_FLAGS_UNSAFE_IOCTL; }
try_exit: NOTHING;
} _SEH2_FINALLY {
if(AcquiredVcb) { UDFReleaseResource(&(Vcb->VCBResource)); AcquiredVcb = FALSE; }
if(Buf) { MyFreePool__(Buf); }
if (!_SEH2_AbnormalTermination() && CompleteIrp) { UDFPrint((" complete Irp %x, ctx %x, status %x, iolen %x\n", Irp, PtrIrpContext, RC, Irp->IoStatus.Information)); Irp->IoStatus.Status = RC; // complete the IRP IoCompleteRequest(Irp, IO_DISK_INCREMENT); // Release the IRP context UDFReleaseIrpContext(PtrIrpContext); } } _SEH2_END;
return(RC);} // end UDFCommonDeviceControl()
/*************************************************************************** Function: UDFDevIoctlCompletion()** Description:* Completion routine.** Expected Interrupt Level (for execution) :** IRQL_PASSIVE_LEVEL** Return Value: STATUS_SUCCESS**************************************************************************/NTSTATUSNTAPIUDFDevIoctlCompletion( PDEVICE_OBJECT PtrDeviceObject, PIRP Irp, VOID *Context){/* PIO_STACK_LOCATION IrpSp = NULL; ULONG IoControlCode = 0;*/ PtrUDFIrpContext PtrIrpContext = (PtrUDFIrpContext)Context;
UDFPrint(("UDFDevIoctlCompletion Irp %x, ctx %x\n", Irp, Context)); if (Irp->PendingReturned) { UDFPrint((" IoMarkIrpPending\n")); IoMarkIrpPending(Irp); }
UDFReleaseIrpContext(PtrIrpContext);/* if(Irp->IoStatus.Status == STATUS_SUCCESS) { IrpSp = IoGetCurrentIrpStackLocation(Irp); IoControlCode = IrpSp->Parameters.DeviceIoControl.IoControlCode;
switch(IoControlCode) { case IOCTL_CDRW_RESET_DRIVER: { Vcb->MediaLockCount = 0; } } }*/
return STATUS_SUCCESS;} // end UDFDevIoctlCompletion()
/*************************************************************************** Function: UDFHandleQueryPath()** Description:* Handle the MUP request.** Expected Interrupt Level (for execution) :** IRQL_PASSIVE_LEVEL** Return Value: STATUS_SUCCESS**************************************************************************//*NTSTATUS UDFHandleQueryPath(VOID *BufferPointer){ NTSTATUS RC = STATUS_SUCCESS; PQUERY_PATH_REQUEST RequestBuffer = (PQUERY_PATH_REQUEST)BufferPointer; PQUERY_PATH_RESPONSE ReplyBuffer = (PQUERY_PATH_RESPONSE)BufferPointer; ULONG LengthOfNameToBeMatched = RequestBuffer->PathNameLength; ULONG LengthOfMatchedName = 0; WCHAR *NameToBeMatched = RequestBuffer->FilePathName;
UDFPrint(("UDFHandleQueryPath\n")); // So here we are. Simply check the name supplied. // We can use whatever algorithm we like to determine whether the // sent in name is acceptable. // The first character in the name is always a "\" // If we like the name sent in (probably, we will like a subset // of the name), set the matching length value in LengthOfMatchedName.
// if (FoundMatch) { // ReplyBuffer->LengthAccepted = LengthOfMatchedName; // } else { // RC = STATUS_OBJECT_NAME_NOT_FOUND; // }
return(RC);}*/
NTSTATUSUDFGetFileAllocModeFromICB( PtrUDFIrpContext IrpContext, PIRP Irp ){ PEXTENDED_IO_STACK_LOCATION IrpSp = (PEXTENDED_IO_STACK_LOCATION)IoGetCurrentIrpStackLocation( Irp );
// PVCB Vcb; PtrUDFFCB Fcb; PtrUDFCCB Ccb; PUDF_GET_FILE_ALLOCATION_MODE_OUT OutputBuffer;
UDFPrint(("UDFGetFileAllocModeFromICB\n"));
// Decode the file object, the only type of opens we accept are // user volume opens. Ccb = (PtrUDFCCB)(IrpSp->FileObject->FsContext2); Fcb = Ccb->Fcb;// Vcb = Fcb->Vcb;
Irp->IoStatus.Information = 0; if(IrpSp->Parameters.FileSystemControl.OutputBufferLength < sizeof(UDF_GET_FILE_ALLOCATION_MODE_OUT)) return STATUS_BUFFER_TOO_SMALL;
OutputBuffer = (PUDF_GET_FILE_ALLOCATION_MODE_OUT)(Irp->AssociatedIrp.SystemBuffer); if(!OutputBuffer) return STATUS_INVALID_USER_BUFFER;
OutputBuffer->AllocMode = UDFGetFileICBAllocMode__(Fcb->FileInfo); Irp->IoStatus.Information = sizeof(UDF_GET_FILE_ALLOCATION_MODE_OUT);
return STATUS_SUCCESS;} // end UDFGetFileAllocModeFromICB()
#ifndef UDF_READ_ONLY_BUILDNTSTATUSUDFSetFileAllocModeFromICB( PtrUDFIrpContext IrpContext, PIRP Irp ){ PEXTENDED_IO_STACK_LOCATION IrpSp = (PEXTENDED_IO_STACK_LOCATION)IoGetCurrentIrpStackLocation( Irp );
PVCB Vcb; PtrUDFFCB Fcb; PtrUDFCCB Ccb; PUDF_SET_FILE_ALLOCATION_MODE_IN InputBuffer; NTSTATUS RC; UCHAR AllocMode;
UDFPrint(("UDFSetFileAllocModeFromICB\n"));
Ccb = (PtrUDFCCB)(IrpSp->FileObject->FsContext2); Fcb = Ccb->Fcb; Vcb = Fcb->Vcb;
Irp->IoStatus.Information = 0; if(IrpSp->Parameters.FileSystemControl.InputBufferLength < sizeof(UDF_SET_FILE_ALLOCATION_MODE_IN)) return STATUS_BUFFER_TOO_SMALL;
InputBuffer = (PUDF_SET_FILE_ALLOCATION_MODE_IN)(Irp->AssociatedIrp.SystemBuffer); if(!InputBuffer) return STATUS_INVALID_USER_BUFFER;
UDFFlushAFile(Fcb, Ccb, &(Irp->IoStatus), 0); RC = Irp->IoStatus.Status; if(!NT_SUCCESS(RC)) return RC;
if(InputBuffer->AllocMode != ICB_FLAG_AD_IN_ICB) { AllocMode = UDFGetFileICBAllocMode__(Fcb->FileInfo); if(AllocMode == ICB_FLAG_AD_IN_ICB) { RC = UDFConvertFEToNonInICB(Vcb, Fcb->FileInfo, InputBuffer->AllocMode); } else if(AllocMode != InputBuffer->AllocMode) { RC = STATUS_INVALID_PARAMETER; } else { RC = STATUS_SUCCESS; } } else { RC = STATUS_INVALID_PARAMETER; }
return STATUS_SUCCESS;} // end UDFSetFileAllocModeFromICB()#endif //UDF_READ_ONLY_BUILD