debug.c

ext2 file system driver for win nt

/*
 * COPYRIGHT:		 See COPYRIGHT.TXT
 * PROJECT:          Ext2 File System for NT
 * FILE:             Debug.c
 * PROGRAMMER:       Matt Wu <[e-mail]>
 * HOMEPAGE:		 http://ext2.yeah.net
 * UPDATE HISTORY: 
 */

#ifndef _EXT2_DEBUG_
#define _EXT2_DEBUG_

/* INCLUDES *****************************************************************/

#include "ntifs.h"
#include "ext2fs.h"

/* GLOBALS ***************************************************************/

#if DBG

extern PEXT2_GLOBAL	Ext2Global;

static PUCHAR IrpMjStrings[] = {
    "IRP_MJ_CREATE",
    "IRP_MJ_CREATE_NAMED_PIPE",
    "IRP_MJ_CLOSE",
    "IRP_MJ_READ",
    "IRP_MJ_WRITE",
    "IRP_MJ_QUERY_INFORMATION",
    "IRP_MJ_SET_INFORMATION",
    "IRP_MJ_QUERY_EA",
    "IRP_MJ_SET_EA",
    "IRP_MJ_FLUSH_BUFFERS",
    "IRP_MJ_QUERY_VOLUME_INFORMATION",
    "IRP_MJ_SET_VOLUME_INFORMATION",
    "IRP_MJ_DIRECTORY_CONTROL",
    "IRP_MJ_FILE_SYSTEM_CONTROL",
    "IRP_MJ_DEVICE_CONTROL",
    "IRP_MJ_INTERNAL_DEVICE_CONTROL",
    "IRP_MJ_SHUTDOWN",
    "IRP_MJ_LOCK_CONTROL",
    "IRP_MJ_CLEANUP",
    "IRP_MJ_CREATE_MAILSLOT",
    "IRP_MJ_QUERY_SECURITY",
    "IRP_MJ_SET_SECURITY",
    "IRP_MJ_POWER",
    "IRP_MJ_SYSTEM_CONTROL",
    "IRP_MJ_DEVICE_CHANGE",
    "IRP_MJ_QUERY_QUOTA",
    "IRP_MJ_SET_QUOTA",
    "IRP_MJ_PNP"
};

static PUCHAR FileInformationClassStrings[] = {
    "Unknown FileInformationClass 0",
    "FileDirectoryInformation",
    "FileFullDirectoryInformation",
    "FileBothDirectoryInformation",
    "FileBasicInformation",
    "FileStandardInformation",
    "FileInternalInformation",
    "FileEaInformation",
    "FileAccessInformation",
    "FileNameInformation",
    "FileRenameInformation",
    "FileLinkInformation",
    "FileNamesInformation",
    "FileDispositionInformation",
    "FilePositionInformation",
    "FileFullEaInformation",
    "FileModeInformation",
    "FileAlignmentInformation",
    "FileAllInformation",
    "FileAllocationInformation",
    "FileEndOfFileInformation",
    "FileAlternateNameInformation",
    "FileStreamInformation",
    "FilePipeInformation",
    "FilePipeLocalInformation",
    "FilePipeRemoteInformation",
    "FileMailslotQueryInformation",
    "FileMailslotSetInformation",
    "FileCompressionInformation",
    "FileObjectIdInformation",
    "FileCompletionInformation",
    "FileMoveClusterInformation",
    "FileQuotaInformation",
    "FileReparsePointInformation",
    "FileNetworkOpenInformation",
    "FileAttributeTagInformation",
    "FileTrackingInformation"
};

static PUCHAR FsInformationClassStrings[] = {
    "Unknown FsInformationClass 0",
    "FileFsVolumeInformation",
    "FileFsLabelInformation",
    "FileFsSizeInformation",
    "FileFsDeviceInformation",
    "FileFsAttributeInformation",
    "FileFsControlInformation",
    "FileFsFullSizeInformation",
    "FileFsObjectIdInformation"
};

/* FUNCTIONS ***************************************************************/

VOID
Ext2DbgPrintCall (IN PDEVICE_OBJECT   DeviceObject,
		  IN PIRP             Irp )
{
    PIO_STACK_LOCATION      IoStackLocation;
    PFILE_OBJECT            FileObject;
    PUCHAR                  FileName;
    PEXT2_FCB               Fcb;
    FILE_INFORMATION_CLASS  FileInformationClass;
    FS_INFORMATION_CLASS    FsInformationClass;

    IoStackLocation = IoGetCurrentIrpStackLocation(Irp);

    FileObject = IoStackLocation->FileObject;

    FileName = "Unknown";

    if (DeviceObject == Ext2Global->DeviceObject)
    {
        FileName = "\\" DRIVER_NAME;
    }
    else if (FileObject && FileObject->FsContext)
    {
        Fcb = (PEXT2_FCB) FileObject->FsContext;

        if (Fcb->Identifier.Type == VCB)
        {
            FileName = "\\Volume";
        }
        else if (Fcb->Identifier.Type == FCB && Fcb->DbgFileName)
        {
            FileName = Fcb->DbgFileName;
        }
    }

    switch (IoStackLocation->MajorFunction)
    {
    case IRP_MJ_CREATE:

        FileName = NULL;

        if (DeviceObject == Ext2Global->DeviceObject)
        {
            FileName = "\\" DRIVER_NAME;
        }
        else if (IoStackLocation->FileObject->FileName.Length == 0)
        {
            FileName = "\\Volume";
        }

        if (FileName)
        {
            KdPrint((
                DRIVER_NAME ": %16.16s %s %s\n",
                PsGetCurrentProcess()->ImageFileName,
                IrpMjStrings[IoStackLocation->MajorFunction],
                FileName
            ));
        }
        else if (IoStackLocation->FileObject->FileName.Buffer)
        {
            KdPrint((
                DRIVER_NAME ": %16.16s %s %S\n",
                PsGetCurrentProcess()->ImageFileName,
                IrpMjStrings[IoStackLocation->MajorFunction],
                IoStackLocation->FileObject->FileName.Buffer
            ));
        }
        else
        {
            KdPrint((
                DRIVER_NAME ": %16.16s %s %s\n",
                PsGetCurrentProcess()->ImageFileName,
                IrpMjStrings[IoStackLocation->MajorFunction],
                "Unknown"
            ));
        }

        break;

    case IRP_MJ_CLOSE:

        KdPrint((
            DRIVER_NAME ": %16.16s %s %s\n",
            PsGetCurrentProcess()->ImageFileName,
            IrpMjStrings[IoStackLocation->MajorFunction],
            FileName
            ));

        break;

    case IRP_MJ_READ:

        if (IoStackLocation->MinorFunction & IRP_MN_COMPLETE)
        {
            KdPrint((
                DRIVER_NAME ": %-16.16s %-31s %s IRP_MN_COMPLETE\n",
                PsGetCurrentProcess()->ImageFileName,
                IrpMjStrings[IoStackLocation->MajorFunction],
                FileName
                ));
        }
        else
        {
            KdPrint((
                DRIVER_NAME ": %-16.16s %-31s %s\n",
                PsGetCurrentProcess()->ImageFileName,
                IrpMjStrings[IoStackLocation->MajorFunction],
                FileName
                ));
/*
            KdPrint((
                DRIVER_NAME ": %-16.16s Offset: %I64u Length: %u %s%s%s%s%s%s\n",
                PsGetCurrentProcess()->ImageFileName,
                IoStackLocation->Parameters.Read.ByteOffset.QuadPart,
                IoStackLocation->Parameters.Read.Length,
                (IoStackLocation->MinorFunction & IRP_MN_DPC ? "IRP_MN_DPC " : " "),
                (IoStackLocation->MinorFunction & IRP_MN_MDL ? "IRP_MN_MDL " : " "),
                (IoStackLocation->MinorFunction & IRP_MN_COMPRESSED ? "IRP_MN_COMPRESSED " : " "),
                (Irp->Flags & IRP_PAGING_IO ? "IRP_PAGING_IO " : " "),
                (Irp->Flags & IRP_NOCACHE ? "IRP_NOCACHE " : " "),
                (FileObject->Flags & FO_SYNCHRONOUS_IO ? "FO_SYNCHRONOUS_IO " : " ")
                ));
*/
        }

        break;

    case IRP_MJ_QUERY_INFORMATION:

        FileInformationClass =
            IoStackLocation->Parameters.QueryFile.FileInformationClass;

        if (FileInformationClass <= FileMaximumInformation)
        {
            KdPrint((
                DRIVER_NAME ": %-16.16s %-31s %s %s\n",
                PsGetCurrentProcess()->ImageFileName,
                IrpMjStrings[IoStackLocation->MajorFunction],
                FileName,
                FileInformationClassStrings[FileInformationClass]
                ));
        }
        else
        {
            KdPrint((
                DRIVER_NAME
                ": %-16.16s %-31s %s Unknown FileInformationClass %u\n",
                PsGetCurrentProcess()->ImageFileName,
                IrpMjStrings[IoStackLocation->MajorFunction],
                FileName,
                FileInformationClass
                ));
        }

        break;

    case IRP_MJ_SET_INFORMATION:

        FileInformationClass =
            IoStackLocation->Parameters.SetFile.FileInformationClass;

        if (FileInformationClass <= FileMaximumInformation)
        {
            KdPrint((
                DRIVER_NAME ": %-16.16s %-31s %s %s\n",
                PsGetCurrentProcess()->ImageFileName,
                IrpMjStrings[IoStackLocation->MajorFunction],
                FileName,
                FileInformationClassStrings[FileInformationClass]
                ));
        }
        else
        {