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8b1baf11a2c4998e2e49791229a647cd2bc7c961
Ext4Fsd/Ext2Mgr/enumDisk.cpp
Bo Brantén 7b368ccf09 Ext4Fsd master
2020-01-19 19:08:53 +01:00

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139 KiB
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#include "stdafx.h"
#include "mountmgr.h"
/* global management information */
BOOL g_bAutoMount = 0;
ULONG g_nFlps = 0;
ULONG g_nDisks = 0;
ULONG g_nCdroms = 0;
ULONG g_nVols = 0;
EXT2_LETTER drvLetters[26];
EXT2_LETTER drvDigits[10];
ULONGLONG Ext2DrvLetters[2] = {-1, -1};
PEXT2_DISK gDisks = NULL;
PEXT2_CDROM gCdroms = NULL;
PEXT2_VOLUME gVols = NULL;
/* information string array */
typedef struct {
int PartitionType;
char *type;
} PARTITION_LIST;
typedef struct {
UINT DriveType;
char *type;
} DRIVE_LIST;
typedef struct {
DEVICE_TYPE DeviceType;
char *type;
} DEVICE_LIST;
typedef struct {
STORAGE_BUS_TYPE BusType;
char *type;
} BUSTYPE_LIST;
CHAR *
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"
};
CHAR *
PerfStatStrings[] = {
"IRP_CONTEXT",
"VCB",
"FCB",
"CCB",
"MCB",
"EXTENT",
"RW_CONTEXT",
"VPB",
"FCB_NAME",
"MCB_NAME",
"FILE_NAME",
"DIR_ENTRY",
"DIR_PATTERN",
"DISK_EVENT",
"DISK_BUFFER",
"BLOCK_DATA",
"inode",
"dentry",
"buffer head",
NULL
};
PARTITION_LIST PartitionList[] = {
{PARTITION_ENTRY_UNUSED , "Empty"},
{PARTITION_FAT_12 , "FAT12"}, /* 01 */
{PARTITION_XENIX_1 , "Xenix-1"}, /* 02 */
{PARTITION_XENIX_2 , "Xenix-2"},
{PARTITION_FAT_16 , "FAT16"}, /* 04 */
{PARTITION_EXTENDED , "Extended"},
{PARTITION_HUGE , "FAT16 HUGE"}, /* 06*/
{PARTITION_IFS , "HPFS/NTFS"}, /* 07 */
{PARTITION_OS2BOOTMGR, "OS/2"}, /* 0A */
{PARTITION_FAT32 , "FAT32"}, /* 0B */
{PARTITION_FAT32_XINT13 , "FAT32X"}, /* 0C*/
{PARTITION_XINT13 , "XINT13"}, /* 0E */
{PARTITION_XINT13_EXTENDED ,"EXINT13"}, /* 0F */
{0x11 , "Hidden FAT12"},
{0x14 , "Hidden FAT16"},
{0x16 , "Hidden FAT16"},
{0x17 , "Hidden HPFS/NTFS"},
{0x1B , "Hidden FAT32"},
{0x1C , "Hidden FAT32X"},
{PARTITION_PREP , "OS/2"}, /* 41 */
{PARTITION_LDM , "LDM"}, /* 42 */
{0x52 , "CP/M"},
{PARTITION_UNIX , "UNIX"}, /* 63 */
{PARTITION_NTFT , "NTFT"}, /* 80 */
{0x81, "Minix"},
{0x82, "Linux swap"},
{0x83, "Linux"},
{0x85, "Linux extend"},
{0x8e, "Linux LVM"},
{0xa5, "FreeBSD"},
{0xa6, "OpenBSD"},
{0xa8, "Darwin UFS"},
{0xa9, "NetBSD"},
{0xbe, "Solaris Boot"},
{0xbf, "Solaris"},
{VALID_NTFT , "VNTFT"}, /* C0 */
{-1 ,"UNKNOWN"}
};
DRIVE_LIST DriveList[] = {
{DRIVE_UNKNOWN, "Unkown"},
{DRIVE_NO_ROOT_DIR, "NoRoot"},
{DRIVE_REMOVABLE, "Removable"},
{DRIVE_FIXED, "Fixed"},
{DRIVE_REMOTE, "Remote"},
{DRIVE_CDROM, "CDROM"},
{DRIVE_RAMDISK, "RAMdisk"},
{(UINT)-1, "Invalid"}
};
BUSTYPE_LIST BusTypeList[] = {
{BusTypeUnknown, "Unkown"},
{BusTypeScsi, "SCSI"},
{BusTypeAtapi, "ATAPI"},
{BusTypeAta, "ATA"},
{BusType1394, "1394"},
{BusTypeSsa, "Ssa"},
{BusTypeFibre, "Fibre"},
{BusTypeUsb, "USB"},
{BusTypeRAID, "RAID"},
{(STORAGE_BUS_TYPE)-1, "Invalid"}
};
DEVICE_LIST DeviceList[] = {
{FILE_DEVICE_8042_PORT ,"8042_PORT"},
{FILE_DEVICE_ACPI ,"ACPI"},
{FILE_DEVICE_BATTERY ,"BATTERY"},
{FILE_DEVICE_BEEP ,"BEEP"},
{FILE_DEVICE_BUS_EXTENDER ,"BUS_EXTENDER"},
{FILE_DEVICE_CD_ROM ,"CD_ROM"},
{FILE_DEVICE_CD_ROM_FILE_SYSTEM ,"CD_ROM_FILE_SYSTEM"},
{FILE_DEVICE_CHANGER ,"CHANGER"},
{FILE_DEVICE_CONTROLLER ,"CONTROLLER"},
{FILE_DEVICE_DATALINK ,"DATALINK"},
{FILE_DEVICE_DFS ,"DFS"},
{FILE_DEVICE_DFS_FILE_SYSTEM ,"DFS_FILE_SYSTEM"},
{FILE_DEVICE_DFS_VOLUME ,"DFS_VOLUME"},
{FILE_DEVICE_DISK ,"DISK"},
{FILE_DEVICE_DISK_FILE_SYSTEM ,"DISK_FILE_SYSTEM"},
{FILE_DEVICE_DVD ,"DVD"},
{FILE_DEVICE_FILE_SYSTEM ,"FILE_SYSTEM"},
{0x0000003a /*FILE_DEVICE_FIPS*/ ,"FIPS"},
{FILE_DEVICE_FULLSCREEN_VIDEO ,"FULLSCREEN_VIDEO"},
{FILE_DEVICE_INPORT_PORT ,"INPORT_PORT"},
{FILE_DEVICE_KEYBOARD ,"KEYBOARD"},
{FILE_DEVICE_KS ,"KS"},
{FILE_DEVICE_KSEC ,"KSEC"},
{FILE_DEVICE_MAILSLOT ,"MAILSLOT"},
{FILE_DEVICE_MASS_STORAGE ,"MASS_STORAGE"},
{FILE_DEVICE_MIDI_IN ,"MIDI_IN"},
{FILE_DEVICE_MIDI_OUT ,"MIDI_OUT"},
{FILE_DEVICE_MODEM ,"MODEM"},
{FILE_DEVICE_MOUSE ,"MOUSE"},
{FILE_DEVICE_MULTI_UNC_PROVIDER ,"MULTI_UNC_PROVIDER"},
{FILE_DEVICE_NAMED_PIPE ,"NAMED_PIPE"},
{FILE_DEVICE_NETWORK ,"NETWORK"},
{FILE_DEVICE_NETWORK_BROWSER ,"NETWORK_BROWSER"},
{FILE_DEVICE_NETWORK_FILE_SYSTEM,"NETWORK_FILE_SYSTEM"},
{FILE_DEVICE_NETWORK_REDIRECTOR ,"NETWORK_REDIRECTOR"},
{FILE_DEVICE_NULL ,"NULL"},
{FILE_DEVICE_PARALLEL_PORT ,"PARALLEL_PORT"},
{FILE_DEVICE_PHYSICAL_NETCARD ,"PHYSICAL_NETCARD"},
{FILE_DEVICE_PRINTER ,"PRINTER"},
{FILE_DEVICE_SCANNER ,"SCANNER"},
{FILE_DEVICE_SCREEN ,"SCREEN"},
{FILE_DEVICE_SERENUM ,"SERENUM"},
{FILE_DEVICE_SERIAL_MOUSE_PORT ,"SERIAL_MOUSE_PORT"},
{FILE_DEVICE_SERIAL_PORT ,"SERIAL_PORT"},
{FILE_DEVICE_SMARTCARD ,"SMARTCARD"},
{FILE_DEVICE_SMB ,"SMB"},
{FILE_DEVICE_SOUND ,"SOUND"},
{FILE_DEVICE_STREAMS ,"STREAMS"},
{FILE_DEVICE_TAPE ,"TAPE"},
{FILE_DEVICE_TAPE_FILE_SYSTEM ,"TAPE_FILE_SYSTEM"},
{FILE_DEVICE_TERMSRV ,"TERMSRV"},
{FILE_DEVICE_TRANSPORT ,"TRANSPORT"},
{FILE_DEVICE_UNKNOWN ,"UNKNOWN"},
{FILE_DEVICE_VDM ,"VDM"},
{FILE_DEVICE_VIDEO ,"VIDEO"},
{FILE_DEVICE_VIRTUAL_DISK ,"VIRTUAL_DISK"},
{FILE_DEVICE_WAVE_IN ,"WAVE_IN"},
{FILE_DEVICE_WAVE_OUT ,"WAVE_OUT"},
{(DEVICE_TYPE)-1 ,"UNKNOWN"}
};
char *PartitionString(int type)
{
PARTITION_LIST *p = PartitionList;
while ( p->PartitionType != -1 ) {
if ( type == p->PartitionType ) {
return p->type;
}
p++;
}
return p->type;
}
char *DriveTypeString(UINT media)
{
DRIVE_LIST *p = DriveList;
while ( p->DriveType != (UINT)-1 ) {
if ( media == p->DriveType ) {
return p->type;
}
p++;
}
return p->type;
}
char *DeviceTypeString(DEVICE_TYPE media)
{
DEVICE_LIST *p = DeviceList;
while ( p->DeviceType != (DEVICE_TYPE)-1 ) {
if ( media == p->DeviceType ) {
return p->type;
}
p++;
}
return p->type;
}
char *BusTypeString(STORAGE_BUS_TYPE BusType)
{
BUSTYPE_LIST *p = BusTypeList;
while ( p->BusType != (STORAGE_BUS_TYPE)-1 ) {
if ( BusType == p->BusType ) {
return p->type;
}
p++;
}
return p->type;
}
/* Ext2Fsd supported codepages */
CHAR * gCodepages[] =
{
"default",
"cp936",
"gb2312",
"utf8",
"cp1251",
"cp1255",
"cp437",
"cp737",
"cp775",
"cp850",
"cp852",
"cp855",
"cp857",
"cp860",
"cp861",
"cp862",
"cp863",
"cp864",
"cp865",
"cp866",
"cp869",
"cp874",
"tis-620",
"cp932",
"euc-jp",
"sjis",
"cp949",
"euc-kr",
"cp950",
"big5",
"iso8859-1",
"iso8859-13",
"iso8859-14",
"iso8859-15",
"iso8859-2",
"iso8859-3",
"iso8859-4",
"iso8859-5",
"iso8859-6",
"iso8859-7",
"iso8859-8",
"iso8859-9",
"koi8-r",
"koi8-u",
"koi8-ru",
"cp1250",
"acsii",
NULL
};
/* routines */
BOOL g_isWow64 = FALSE;
BOOL g_isX64 = FALSE;
#define PROCESSOR_ARCHITECTURE_AMD64 9
typedef BOOL (WINAPI *LPFN_ISWOW64PROCESS) (HANDLE, PBOOL);
LPFN_ISWOW64PROCESS fnIsWow64Process = NULL;
typedef void (WINAPI *LPFN_GETNATIVESYSINFO)(
LPSYSTEM_INFO lpSystemInfo);
LPFN_GETNATIVESYSINFO fnGetNativeSystemInfo = NULL;
BOOL Ext2IsWow64()
{
if (NULL != fnIsWow64Process) {
if (!fnIsWow64Process(GetCurrentProcess(), &g_isWow64)) {
}
}
return g_isWow64;
}
BOOL Ext2IsX64System()
{
SYSTEM_INFO sysInfo;
fnIsWow64Process = (LPFN_ISWOW64PROCESS)GetProcAddress(
GetModuleHandle("kernel32"), "IsWow64Process");
fnGetNativeSystemInfo = (LPFN_GETNATIVESYSINFO)GetProcAddress(
GetModuleHandle("kernel32"), "GetNativeSystemInfo");
if (fnGetNativeSystemInfo) {
fnGetNativeSystemInfo(&sysInfo);
if (sysInfo.wProcessorArchitecture == PROCESSOR_ARCHITECTURE_AMD64 &&
Ext2IsWow64()) {
g_isWow64 = TRUE;
return TRUE;
}
}
return FALSE;
}
BOOL IsVistaOrAbove()
{
OSVERSIONINFO OsVerInfo;
OsVerInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
if (GetVersionEx(&OsVerInfo)) {
if (OsVerInfo.dwMajorVersion == 6 && OsVerInfo.dwBuildNumber > 3790)
return TRUE;
if (OsVerInfo.dwMajorVersion > 6)
return TRUE;
}
return FALSE;
}
BOOL CanDoLocalMount()
{
return !IsWindowsVistaOrGreater();
}
BOOL
IsWindows2000()
{
OSVERSIONINFO OsVer;
memset(&OsVer, 0, sizeof(OsVer));
OsVer.dwOSVersionInfoSize = sizeof(OsVer);
if (GetVersionEx(&OsVer)) {
if (OsVer.dwPlatformId == VER_PLATFORM_WIN32_NT &&
OsVer.dwMajorVersion <= 5 &&
OsVer.dwMinorVersion == 0) {
return TRUE;
}
} else {
return TRUE;
}
return FALSE;
}
BOOL Ext2DismountVolume(CHAR *voldev)
{
HANDLE device;
ULONG bytes;
BOOL rc = FALSE;
device = CreateFile(voldev, GENERIC_READ | GENERIC_WRITE,
FILE_SHARE_READ | FILE_SHARE_WRITE, NULL,
OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
if (device == INVALID_HANDLE_VALUE) {
goto errorout;
}
if (!DeviceIoControl(device, FSCTL_LOCK_VOLUME, NULL, 0, NULL, 0,
&bytes, NULL)) {
}
rc = DeviceIoControl(device, FSCTL_DISMOUNT_VOLUME, NULL, 0, NULL, 0,
&bytes, NULL);
CloseHandle(device);
errorout:
return rc;
}
/*
* Ext2LockVolume
* Lock the volume ...
*
* ARGUMENTS:
* VolumeHandle: Volume handle.
*
* RETURNS:
* Success or Fail
*
* NOTES:
* N/A
*/
NT::NTSTATUS
Ext2LockVolume(HANDLE Handle)
{
NT::NTSTATUS status;
NT::IO_STATUS_BLOCK ioSb;
status = NT::ZwFsControlFile(
Handle, NULL, NULL, NULL, &ioSb,
FSCTL_LOCK_VOLUME, NULL, 0, NULL, 0);
return status;
}
NT::NTSTATUS
Ext2UnLockVolume(HANDLE Handle)
{
NT::NTSTATUS status;
NT::IO_STATUS_BLOCK ioSb;
status = NT::ZwFsControlFile(
Handle, NULL, NULL, NULL, &ioSb,
FSCTL_UNLOCK_VOLUME, NULL, 0, NULL, 0);
return status;
}
NT::NTSTATUS
Ext2DisMountVolume(HANDLE Handle)
{
NT::NTSTATUS status;
NT::IO_STATUS_BLOCK ioSb;
status = NT::ZwFsControlFile(
Handle, NULL, NULL, NULL, &ioSb,
FSCTL_DISMOUNT_VOLUME, NULL, 0, NULL, 0);
return status;
}
PDRIVE_LAYOUT_INFORMATION_EXT
Ext2QueryDriveLayout(
HANDLE Handle,
PUCHAR NumOfParts
)
{
NT::IO_STATUS_BLOCK ioSb;
NT::NTSTATUS status;
PDRIVE_LAYOUT_INFORMATION_EXT driveLayout = NULL;
ULONG dataSize = 512;
ULONG retSize = 0;
QueryDrive:
status = STATUS_SUCCESS;
driveLayout = (PDRIVE_LAYOUT_INFORMATION_EXT) malloc(dataSize);
if(!driveLayout) {
goto errorout;
}
memset(driveLayout, 0, dataSize);
if (IsWindows2000()) {
PDRIVE_LAYOUT_INFORMATION oldLayout =
(PDRIVE_LAYOUT_INFORMATION ) malloc(dataSize);
if (!oldLayout) {
goto errorout;
}
status = NT::ZwDeviceIoControlFile(
Handle, NULL, NULL, NULL, &ioSb,
IOCTL_DISK_GET_DRIVE_LAYOUT,
NULL, 0, (PVOID)oldLayout, dataSize
);
if (NT_SUCCESS(status)) {
ULONG newLayoutSize = FIELD_OFFSET(DRIVE_LAYOUT_INFORMATION_EX, PartitionEntry);
newLayoutSize += sizeof(PARTITION_INFORMATION_EX) * oldLayout->PartitionCount;
if (dataSize >= newLayoutSize) {
driveLayout->PartitionStyle = PARTITION_STYLE_MBR;
driveLayout->PartitionCount = oldLayout->PartitionCount;
driveLayout->Mbr.Signature = oldLayout->Signature;
for (DWORD i=0; i < oldLayout->PartitionCount; i++) {
driveLayout->PartitionEntry[i].PartitionStyle = PARTITION_STYLE_MBR;
driveLayout->PartitionEntry[i].StartingOffset =
oldLayout->PartitionEntry[i].StartingOffset;
driveLayout->PartitionEntry[i].PartitionLength =
oldLayout->PartitionEntry[i].PartitionLength;
driveLayout->PartitionEntry[i].PartitionNumber =
oldLayout->PartitionEntry[i].PartitionNumber;
driveLayout->PartitionEntry[i].RewritePartition =
oldLayout->PartitionEntry[i].RewritePartition;
driveLayout->PartitionEntry[i].Mbr.PartitionType =
oldLayout->PartitionEntry[i].PartitionType;
driveLayout->PartitionEntry[i].Mbr.BootIndicator =
oldLayout->PartitionEntry[i].BootIndicator;
driveLayout->PartitionEntry[i].Mbr.RecognizedPartition =
oldLayout->PartitionEntry[i].RecognizedPartition;
driveLayout->PartitionEntry[i].Mbr.HiddenSectors =
oldLayout->PartitionEntry[i].HiddenSectors;
}
} else {
dataSize = newLayoutSize;
status = STATUS_BUFFER_TOO_SMALL;
}
}
free(oldLayout);
} else {
status = NT::ZwDeviceIoControlFile(
Handle, NULL, NULL, NULL, &ioSb,
IOCTL_DISK_GET_DRIVE_LAYOUT_EXT,
NULL, 0, (PVOID)driveLayout, dataSize
);
}
if (status == STATUS_BUFFER_TOO_SMALL) {
free(driveLayout); driveLayout = NULL;
dataSize *= 2;
goto QueryDrive;
}
if (!NT_SUCCESS(status)) {
free(driveLayout); driveLayout = NULL;
goto errorout;
}
retSize = FIELD_OFFSET(DRIVE_LAYOUT_INFORMATION_EXT, PartitionEntry);
retSize += sizeof(PARTITION_INFORMATION) * driveLayout->PartitionCount;
if (driveLayout->PartitionStyle == PARTITION_STYLE_MBR) {
PPARTITION_INFORMATION_EXT Part;
UCHAR i = 0, cnt = 0;
/* Now walk the Drive_Layout to count the partitions */
while (i < (UCHAR)driveLayout->PartitionCount) {
Part = &driveLayout->PartitionEntry[i++];
if (Part->Mbr.PartitionType != PARTITION_ENTRY_UNUSED &&
Part->Mbr.PartitionType != PARTITION_EXTENDED &&
Part->Mbr.PartitionType != PARTITION_XINT13_EXTENDED) {
cnt++;
}
}
*NumOfParts = cnt;
} else if (driveLayout->PartitionStyle == PARTITION_STYLE_GPT) {
*NumOfParts = (UCHAR)driveLayout->PartitionCount;
} else {
*NumOfParts = 0;
free(driveLayout); driveLayout = NULL;
}
if (*NumOfParts == 0) {
free(driveLayout); driveLayout = NULL;
}
errorout:
return driveLayout;
}
NT::NTSTATUS
Ext2SetDriveLayout(
HANDLE Handle,
PDRIVE_LAYOUT_INFORMATION_EXT Layout
)
{
NT::IO_STATUS_BLOCK ioSb;
NT::NTSTATUS status = STATUS_SUCCESS;
ULONG dataSize;
dataSize = FIELD_OFFSET(DRIVE_LAYOUT_INFORMATION_EXT, PartitionEntry);
dataSize += sizeof(PARTITION_INFORMATION_EXT) * Layout->PartitionCount;
if (IsWindows2000()) {
if (Layout->PartitionStyle != PARTITION_STYLE_MBR) {
return STATUS_UNSUCCESSFUL;
}
ULONG newLayoutSize = FIELD_OFFSET(DRIVE_LAYOUT_INFORMATION, PartitionEntry);
newLayoutSize += sizeof(PARTITION_INFORMATION) * Layout->PartitionCount;
PDRIVE_LAYOUT_INFORMATION oldLayout =
(PDRIVE_LAYOUT_INFORMATION ) malloc(newLayoutSize);
if (!oldLayout) {
goto errorout;
}
oldLayout->PartitionCount = Layout->PartitionCount;
oldLayout->Signature = Layout->Mbr.Signature;
for (DWORD i=0; i < oldLayout->PartitionCount; i++) {
oldLayout->PartitionEntry[i].StartingOffset =
Layout->PartitionEntry[i].StartingOffset;
oldLayout->PartitionEntry[i].PartitionLength =
Layout->PartitionEntry[i].PartitionLength;
oldLayout->PartitionEntry[i].PartitionNumber =
Layout->PartitionEntry[i].PartitionNumber;
oldLayout->PartitionEntry[i].RewritePartition =
Layout->PartitionEntry[i].RewritePartition;
oldLayout->PartitionEntry[i].PartitionType =
Layout->PartitionEntry[i].Mbr.PartitionType;
oldLayout->PartitionEntry[i].BootIndicator =
Layout->PartitionEntry[i].Mbr.BootIndicator;
oldLayout->PartitionEntry[i].RecognizedPartition =
Layout->PartitionEntry[i].Mbr.RecognizedPartition;
oldLayout->PartitionEntry[i].HiddenSectors =
Layout->PartitionEntry[i].Mbr.HiddenSectors;
}
status = NT::ZwDeviceIoControlFile(
Handle, NULL, NULL, NULL, &ioSb,
IOCTL_DISK_SET_DRIVE_LAYOUT,
(PVOID)oldLayout, newLayoutSize,
NULL, 0
);
free(oldLayout);
} else {
status = NT::ZwDeviceIoControlFile(
Handle, NULL, NULL, NULL, &ioSb,
IOCTL_DISK_SET_DRIVE_LAYOUT_EXT,
(PVOID)Layout, dataSize,NULL, 0
);
}
return status;
errorout:
return STATUS_UNSUCCESSFUL;
}
BOOL
Ext2IsDeviceValid(CHAR *Device)
{
HANDLE handle = NULL;
NT::NTSTATUS status;
status = Ext2Open(Device, &handle, EXT2_DESIRED_ACCESS);
if (!NT_SUCCESS(status)) {
goto errorout;
}
errorout:
if (handle) {
Ext2Close(&handle);
}
return NT_SUCCESS(status);
}
BOOL
Ext2SetPartitionType(
PEXT2_PARTITION Part,
BYTE Type
)
{
BOOL rc = FALSE;
HANDLE Handle = NULL;
NT::NTSTATUS status;
UCHAR NumParts = 0;
PDRIVE_LAYOUT_INFORMATION_EXT Layout = NULL;
DWORD i;
status = Ext2Open(Part->Disk->Name, &Handle,
EXT2_DESIRED_ACCESS | GENERIC_WRITE);
if (!NT_SUCCESS(status)) {
goto errorout;
}
Layout = Part->Disk->Layout;
if (!Layout) {
goto errorout;
}
if (Layout->PartitionStyle != PARTITION_STYLE_MBR) {
goto errorout;
}
for (i=0; i < Layout->PartitionCount; i++) {
if ((Layout->PartitionEntry[i].StartingOffset.QuadPart ==
Part->Entry->StartingOffset.QuadPart) &&
(Layout->PartitionEntry[i].PartitionLength.QuadPart ==
Part->Entry->PartitionLength.QuadPart) &&
(Layout->PartitionEntry[i].PartitionNumber ==
Part->Entry->PartitionNumber) ) {
Layout->PartitionEntry[i].Mbr.PartitionType = Type;
Layout->PartitionEntry[i].RewritePartition = TRUE;
rc = TRUE;
break;
}
}
if (!rc) {
goto errorout;
}
status = Ext2SetDriveLayout(Handle, Layout);
rc = NT_SUCCESS(status);
errorout:
Ext2Close(&Handle);
return rc;
}
BOOL
Ext2FlushVolume(CHAR *Device)
{
HANDLE handle = NULL;
NT::NTSTATUS status;
NT::IO_STATUS_BLOCK iosb;
status = Ext2Open(Device, &handle, EXT2_DESIRED_ACCESS | GENERIC_WRITE);
if (!NT_SUCCESS(status)) {
goto errorout;
}
status = NT::ZwFlushBuffersFile(handle, &iosb);
errorout:
if (handle) {
Ext2Close(&handle);
}
return NT_SUCCESS(status);
}
PEXT2_PARTITION
Ext2QueryVolumePartition(
PEXT2_VOLUME Volume
)
{
PEXT2_PARTITION Part = NULL;
DWORD i, j;
for (i=0; i < g_nDisks; i++) {
for (j=0; j < (int)gDisks[i].NumParts; j++) {
if (gDisks[i].DataParts[j].Volume == Volume) {
Part = &gDisks[i].DataParts[j];
break;
}
}
}
return Part;
}
NT::NTSTATUS
Ext2QueryProperty(
HANDLE Handle,
STORAGE_PROPERTY_ID Id,
PVOID DescBuf,
ULONG DescSize
)
{
STORAGE_PROPERTY_QUERY SPQ;
NT::NTSTATUS status;
NT::IO_STATUS_BLOCK ioSb;
SPQ.PropertyId = Id;
SPQ.QueryType = PropertyStandardQuery;
memset(DescBuf, 0, DescSize);
status = NT::ZwDeviceIoControlFile(
Handle, NULL, NULL, NULL, &ioSb,
IOCTL_STORAGE_QUERY_PROPERTY,
&SPQ, sizeof(STORAGE_PROPERTY_QUERY),
DescBuf, DescSize
);
return status;
}
/*
* Ext2QueryDisk
* Get volume gemmetry information ...
*
* ARGUMENTS:
* VolumeHandle: Volume handle.
*
* RETURNS:
* Success or Fail
*
* NOTES:
* N/A
*/
NT::NTSTATUS
Ext2QueryDisk(
HANDLE Handle,
PDISK_GEOMETRY DiskGeometry
)
{
NT::NTSTATUS status;
NT::IO_STATUS_BLOCK ioSb;
status = NT::ZwDeviceIoControlFile(
Handle, NULL, NULL, NULL, &ioSb,
IOCTL_DISK_GET_DRIVE_GEOMETRY,
DiskGeometry, sizeof(DISK_GEOMETRY),
DiskGeometry, sizeof(DISK_GEOMETRY));
if (!NT_SUCCESS(status)) {
goto errorout;
}
errorout:
return status;
}
PVOLUME_DISK_EXTENTS
Ext2QueryVolumeExtents(HANDLE hVolume)
{
ULONG dataSize = 1024;
PVOLUME_DISK_EXTENTS dskExtents = NULL;
NT::NTSTATUS status;
NT::IO_STATUS_BLOCK ioSb;
QueryExtent:
dskExtents = (PVOLUME_DISK_EXTENTS)malloc(dataSize);
if (NULL == dskExtents) {
goto errorout;
}
status = NT::ZwDeviceIoControlFile(
hVolume, NULL, NULL, NULL, &ioSb,
IOCTL_VOLUME_GET_VOLUME_DISK_EXTENTS,
NULL, 0, dskExtents, dataSize );
if (status == STATUS_BUFFER_TOO_SMALL) {
free(dskExtents); dskExtents = NULL;
dataSize += 1024;
goto QueryExtent;
}
if (!NT_SUCCESS(status)) {
free(dskExtents); dskExtents = NULL;
goto errorout;
}
errorout:
return dskExtents;
}
PSTORAGE_DEVICE_NUMBER
Ext2QueryDeviceNumber(HANDLE hVolume)
{
ULONG dataSize;
PSTORAGE_DEVICE_NUMBER SDN = NULL;
NT::NTSTATUS status;
NT::IO_STATUS_BLOCK ioSb;
dataSize = sizeof(STORAGE_DEVICE_NUMBER);
QuerySDN:
SDN = (PSTORAGE_DEVICE_NUMBER)malloc(dataSize);
if (NULL == SDN) {
goto errorout;
}
memset(SDN, 0, dataSize);
status = NT::ZwDeviceIoControlFile(
hVolume, NULL, NULL, NULL, &ioSb,
IOCTL_STORAGE_GET_DEVICE_NUMBER,
NULL, 0, SDN, dataSize );
if (status == STATUS_BUFFER_TOO_SMALL) {
free(SDN); SDN = NULL;
dataSize += sizeof(STORAGE_DEVICE_NUMBER);
goto QuerySDN;
}
if (!NT_SUCCESS(status)) {
free(SDN); SDN = NULL;
goto errorout;
}
errorout:
return SDN;
}
BOOL
Ext2QueryDrvLetter(
PEXT2_LETTER drvLetter
)
{
HANDLE hVolume;
NT::NTSTATUS status = STATUS_SUCCESS;
DWORD rc = 0;
drvLetter->DrvType = Ext2QueryDrive(drvLetter->Letter,
drvLetter->SymLink);
if (drvLetter->DrvType == DRIVE_NO_ROOT_DIR) {
drvLetter->bUsed = FALSE;
goto errorout;
} else {
drvLetter->bUsed = TRUE;
}
if (drvLetter->Letter == 'A' ||
drvLetter->Letter == 'B' ) {
drvLetter->bUsed = TRUE;
goto errorout;
}
if (drvLetter->DrvType == DRIVE_REMOVABLE ||
drvLetter->DrvType == DRIVE_FIXED) {
status = Ext2Open(drvLetter->SymLink, &hVolume, EXT2_DESIRED_ACCESS);
if (!NT_SUCCESS(status) && status != STATUS_ACCESS_DENIED) {
drvLetter->bInvalid = TRUE;
goto errorout;
}
drvLetter->Extent = Ext2QueryVolumeExtents(hVolume);
if (drvLetter->DrvType == DRIVE_REMOVABLE) {
drvLetter->SDN = Ext2QueryDeviceNumber(hVolume);
}
Ext2Close(&hVolume);
}
errorout:
return NT_SUCCESS(status);
}
PEXT2_LETTER Ext2GetFirstUnusedDrvLetter()
{
PEXT2_LETTER drvLetter = NULL;
CHAR devPath[] = "C:";
int i;
for (i = 5; i < 24; i++) {
drvLetter = &drvLetters[i];
if (drvLetter->DrvType == DRIVE_NO_ROOT_DIR) {
drvLetter->DrvType = Ext2QueryDrive(drvLetter->Letter,
drvLetter->SymLink);
if (drvLetter->DrvType == DRIVE_NO_ROOT_DIR) {
/* we got it */
break;
} else {
/* we need do a new refresh */
}
}
drvLetter = NULL;
}
return drvLetter;
}
CHAR Ext2MountVolume(CHAR *voldev)
{
PEXT2_LETTER drvLetter;
CHAR rc = 0;
/* query drive letter to check whether it's mounted */
drvLetter = Ext2GetFirstUnusedDrvLetter();
if (!drvLetter) {
goto errorout;
}
if (Ext2AssignDrvLetter(drvLetter, voldev, FALSE)) {
rc = drvLetter->Letter;
}
errorout:
return rc;
}
CHAR Ext2MountVolumeAs(CHAR *voldev, CHAR DrvLetter)
{
PEXT2_LETTER drvLetter;
CHAR rc = 0;
if (DrvLetter >= '0' && DrvLetter <= '9') {
drvLetter = &drvDigits[DrvLetter - '0'];
} else if (DrvLetter >= 'A' && DrvLetter <= 'Z') {
drvLetter = &drvLetters[DrvLetter - 'A'];
} else if (DrvLetter >= 'a' && DrvLetter <= 'z') {
drvLetter = &drvLetters[DrvLetter - 'a'];
}
if (!drvLetter || drvLetter->bUsed) {
goto errorout;
}
if (Ext2AssignDrvLetter(drvLetter, voldev, FALSE)) {
rc = drvLetter->Letter;
}
errorout:
return rc;
}
NT::NTSTATUS
Ext2QueryMediaType(
HANDLE Handle,
PDWORD MediaType
)
{
NT::NTSTATUS status;
NT::IO_STATUS_BLOCK ioSb;
PGET_MEDIA_TYPES mediaTypes;
UCHAR buffer[1024];
status = NT::ZwDeviceIoControlFile(
Handle, NULL, NULL, NULL, &ioSb,
IOCTL_STORAGE_GET_MEDIA_TYPES_EX,
NULL, 0, buffer, 1024 );
if (!NT_SUCCESS(status)) {
goto errorout;
}
mediaTypes = (PGET_MEDIA_TYPES) buffer;
*MediaType = mediaTypes->DeviceType;
errorout:
return status;
}
/*
* Ext2Read
* Read data from disk or file ...
*
* ARGUMENTS:
* VolumeHandle: Volume Handle
* Offset : Disk Offset
* Length : Data Length to be read
* Buffer : ...
*
* RETURNS:
* Success: STATUS_SUCCESS
* Fail: ...
*
* NOTES:
* Both Length and Offset should be SECTOR_SIZE aligned.
*/
NT::NTSTATUS
Ext2Read(
IN HANDLE Handle,
IN BOOL IsFile,
IN ULONG SectorSize,
IN ULONGLONG Offset,
IN ULONG Length,
IN PVOID Buffer
)
{
NT::NTSTATUS status;
NT::IO_STATUS_BLOCK ioSb;
LARGE_INTEGER address;
ULONG aLength = 0;
PVOID aBuffer = NULL;
if (SectorSize == 0 || SectorSize == 1)
IsFile = TRUE;
ASSERT(Buffer != NULL);
if (IsFile) {
address.QuadPart = Offset;
status = NT::ZwReadFile(
Handle, 0, NULL, NULL, &ioSb,
Buffer, Length, &address, NULL
);
} else {
address.QuadPart = Offset & (~((ULONGLONG)SectorSize - 1));
aLength = (Length + SectorSize - 1)&(~(SectorSize - 1));
aLength += ((ULONG)(Offset - address.QuadPart) + SectorSize - 1)
& (~(SectorSize - 1));
aBuffer = malloc(aLength);
if (!aBuffer) {
status = STATUS_INSUFFICIENT_RESOURCES;
goto errorout;
}
status = NT::ZwReadFile(
Handle, 0, NULL, NULL, &ioSb,
aBuffer, aLength, &address, NULL
);
if (!NT_SUCCESS(status)) {
goto errorout;
}
memmove( Buffer, (PUCHAR)aBuffer +
(ULONG)(Offset - address.QuadPart), Length);
}
errorout:
if (aBuffer)
free(aBuffer);
return status;
}
/*
* Ext2Write
* Write data to disk or file ...
*
* ARGUMENTS:
* VolumeHandle: Volume Handle
* Offset : Disk Offset
* Length : Data Length to be written
* Buffer : Data to be written ...
*
* RETURNS:
* Success: STATUS_SUCCESS
* Fail: ...
*
* NOTES:
* Both Length and Offset should be SECTOR_SIZE aligned.
*/
NT::NTSTATUS
Ext2WriteDisk(
HANDLE Handle,
BOOL IsFile,
ULONG SectorSize,
ULONGLONG Offset,
ULONG Length,
PVOID Buffer
)
{
LARGE_INTEGER address;
NT::NTSTATUS status;
NT::IO_STATUS_BLOCK ioSb;
ULONG aLength = 0;
PVOID aBuffer = NULL;
if (SectorSize == 0 || SectorSize == 1)
IsFile = TRUE;
ASSERT(Buffer != NULL);
if (IsFile) {
address.QuadPart = Offset;
status = NT::ZwWriteFile(
Handle, 0, NULL, NULL, &ioSb,
Buffer, Length, &address, NULL
);
} else {
address.QuadPart = Offset & (~((ULONGLONG)SectorSize - 1));
aLength = (Length + SectorSize - 1)&(~(SectorSize - 1));
aLength += ((ULONG)(Offset - address.QuadPart) + SectorSize - 1)
& (~(SectorSize - 1));
aBuffer = malloc(aLength);
if (!aBuffer) {
status = STATUS_INSUFFICIENT_RESOURCES;
goto errorout;
}
if ( (aLength != Length) ||
(address.QuadPart != (LONGLONG)Offset)) {
status = NT::ZwReadFile(
Handle, 0, NULL, NULL, &ioSb,
aBuffer, aLength, &address, NULL
);
if (!NT_SUCCESS(status)) {
goto errorout;
}
}
memmove((PUCHAR)aBuffer + (ULONG)(Offset - address.QuadPart),
Buffer, Length);
status = NT::ZwWriteFile(
Handle, 0, NULL, NULL, &ioSb,
aBuffer, aLength, &address, NULL
);
}
errorout:
if (aBuffer)
free(aBuffer);
return status;
}
NT::NTSTATUS
Ext2Open(
PCHAR FileName,
PHANDLE Handle,
ULONG DesiredAccess
)
{
NT::IO_STATUS_BLOCK iosb;
NT::NTSTATUS status;
NT::ANSI_STRING AnsiFilespec;
NT::UNICODE_STRING UnicodeFilespec;
NT::OBJECT_ATTRIBUTES ObjectAttributes;
SHORT UnicodeName[MAX_PATH];
CHAR AnsiName[MAX_PATH];
USHORT NameLength = 0;
memset(UnicodeName, 0, sizeof(SHORT) * MAX_PATH);
memset(AnsiName, 0, sizeof(UCHAR) * MAX_PATH);
NameLength = strlen(FileName);
ASSERT(NameLength < MAX_PATH);
if (FileName[0] == '\\') {
memmove(AnsiName, FileName, NameLength);
} else {
memmove(&AnsiName[0], "\\DosDevices\\", 12);
memmove(&AnsiName[12], FileName, NameLength);
NameLength += 12;
}
AnsiFilespec.MaximumLength = AnsiFilespec.Length = NameLength;
AnsiFilespec.Buffer = AnsiName;
UnicodeFilespec.MaximumLength = MAX_PATH * 2;
UnicodeFilespec.Length = 0;
UnicodeFilespec.Buffer = (PWSTR)UnicodeName;
NT::RtlAnsiStringToUnicodeString(&UnicodeFilespec, &AnsiFilespec, FALSE);
//
// Setup the name in an object attributes structure.
// Note that we create a name that is case INsensitive
//
ObjectAttributes.Length = sizeof(NT::OBJECT_ATTRIBUTES);
ObjectAttributes.RootDirectory = NULL;
ObjectAttributes.Attributes = 0; /*OBJ_CASE_INSENSITIVE;*/
ObjectAttributes.ObjectName = &UnicodeFilespec;
ObjectAttributes.SecurityDescriptor = NULL;
ObjectAttributes.SecurityQualityOfService = NULL;
//
// Do the create. In this particular case, we'll have the I/O Manager
// make our write requests syncrhonous for our convenience.
//
status = NT::ZwCreateFile(
Handle, // returned file handle
(DesiredAccess | SYNCHRONIZE), // desired access
&ObjectAttributes, // ptr to object attributes
&iosb, // ptr to I/O status block
0, // allocation size
FILE_ATTRIBUTE_NORMAL, // file attributes
FILE_SHARE_WRITE | FILE_SHARE_READ, // share access
FILE_OPEN /*FILE_SUPERSEDE*/, // create disposition
FILE_SYNCHRONOUS_IO_NONALERT | // create options
((DesiredAccess & GENERIC_WRITE) ?
FILE_NO_INTERMEDIATE_BUFFERING : 0),
NULL, // ptr to extended attributes
0); // length of ea buffer
//
// Check the system service status
//
if (!NT_SUCCESS(status)) {
return status;
}
//
// Check the returned status too...
//
if (!NT_SUCCESS(iosb.Status)) {
return iosb.Status;
}
return status;
}
VOID
Ext2Close(HANDLE * Handle)
{
NT::NTSTATUS status = 0;
if (Handle != NULL && *Handle != 0 && *Handle != INVALID_HANDLE_VALUE) {
status = NT::ZwClose(*Handle);
if (NT_SUCCESS(status)) {
*Handle = 0;
} else {
::MessageBox(NULL, "Failed to close handle", "Ext2Close", MB_OK);
}
}
}
BOOL
Ext2QuerySysConfig()
{
NT::NTSTATUS status;
NT::_SYSTEM_CONFIGURATION_INFORMATION ConfigInfo;
status = NT::ZwQuerySystemInformation(
NT::SystemConfigurationInformation,
&ConfigInfo, sizeof(ConfigInfo), 0);
if (NT_SUCCESS(status)) {
g_nDisks = ConfigInfo.DiskCount;
g_nFlps = ConfigInfo.FloppyCount;
g_nCdroms = ConfigInfo.CdRomCount;
return TRUE;
}
return FALSE;
}
BOOL
Ext2LoadDisks()
{
ULONG i = 0, j = 0;
NT::NTSTATUS status;
CHAR drvName[MAX_PATH];
if (g_nDisks == 0) {
return FALSE;
}
gDisks = (PEXT2_DISK) malloc(sizeof(EXT2_DISK) * g_nDisks);
if (gDisks == NULL) {
return FALSE;
}
memset(gDisks, 0, sizeof(EXT2_DISK) * g_nDisks);
while (i < g_nDisks && j < 256) {
HANDLE Handle = NULL;
gDisks[i].Magic = EXT2_DISK_MAGIC;
gDisks[i].Null = EXT2_DISK_NULL_MAGIC;
gDisks[i].OrderNo = (UCHAR) j;
gDisks[i].bLoaded = FALSE;
sprintf(drvName, "PhysicalDrive%d\0", j);
if (QueryDosDevice(drvName, gDisks[i].Name, MAX_PATH) == 0) {
sprintf(gDisks[i].Name, "\\DosDevices\\PhysicalDrive%d\0", j);
}
j++;
status = Ext2Open(gDisks[i].Name, &Handle, EXT2_DESIRED_ACCESS);
if (!NT_SUCCESS(status)) {
continue;
}
status = Ext2QueryDisk(Handle, &gDisks[i].DiskGeometry);
if (NT_SUCCESS(status)) {
gDisks[i].bEjected = FALSE;
} else {
if (STATUS_NO_MEDIA_IN_DEVICE == status) {
gDisks[i].bEjected = TRUE;
} else {
goto Next;
}
}
status = Ext2QueryProperty( Handle, StorageDeviceProperty,
(PVOID)&gDisks[i].SDD,
sizeof(STORAGE_DEVICE_DESCRIPTOR)
);
if (!NT_SUCCESS(status)) {
goto Next;
}
status = Ext2QueryProperty( Handle, StorageAdapterProperty,
(PVOID)&gDisks[i].SAD,
sizeof(STORAGE_ADAPTER_DESCRIPTOR)
);
if (!NT_SUCCESS(status)) {
goto Next;
}
if (!gDisks[i].bEjected) {
gDisks[i].Layout = Ext2QueryDriveLayout(
Handle, &gDisks[i].NumParts);
}
gDisks[i].bLoaded = TRUE;
Next:
Ext2Close(&Handle);
i++;
}
g_nDisks = i;
return TRUE;
}
CString
Ext2PartInformation(PEXT2_PARTITION part)
{
CString s, ret="";
s.Format("\r\n Partition No: %d\r\n\r\n", part->Number);
if (!part->Entry) {
return ret;
}
s = " Partition Type: ";
if (part->Entry->PartitionStyle == PARTITION_STYLE_MBR) {
s += PartitionString(part->Entry->Mbr.PartitionType);
} else if (part->Entry->PartitionStyle == PARTITION_STYLE_GPT){
s += "GPT";
if (part->Entry->Gpt.Name && wcslen(part->Entry->Gpt.Name)) {
s += ":";
for (size_t i = 0; i < wcslen(part->Entry->Gpt.Name); i++)
s += (CHAR)part->Entry->Gpt.Name[i];
}
} else {
s += "GPT";
}
ret += s;
ret += "\r\n";
s.Format(" StartingOffset: %I64u\r\n", part->Entry->StartingOffset.QuadPart);
ret += s;
s.Format(" PartitionLength: %I64u\r\n", part->Entry->PartitionLength.QuadPart);
ret += s;
/* mount points */
ret += " MountPoints: ";
ret += Ext2QueryVolumeLetterStrings(part->DrvLetters, NULL);
ret += "\r\n";
if (!part->Volume) {
return ret;
}
if (part->Volume->bRecognized) {
ULONGLONG totalSize, freeSize;
s.Format(" Filesystem: %s\r\n", part->Volume->FileSystem);
ret += s;
if ((part->Volume->EVP.bExt2 || part->Volume->EVP.bExt3)) {
s = " codepage:";
s += part->Volume->EVP.Codepage;
if (part->Volume->EVP.bReadonly) {
s += ",Readonly";
}
}
ret += s;
ret += "\r\n";
totalSize = part->Volume->FssInfo.TotalAllocationUnits.QuadPart;
freeSize = part->Volume->FssInfo.AvailableAllocationUnits.QuadPart;
totalSize = totalSize * part->Volume->FssInfo.BytesPerSector *
part->Volume->FssInfo.SectorsPerAllocationUnit;
freeSize = freeSize * part->Volume->FssInfo.BytesPerSector *
part->Volume->FssInfo.SectorsPerAllocationUnit;
s.Format(" Size: %I64u\r\n", totalSize);
ret += s;
s.Format(" Free: %I64u\r\n", freeSize);
ret += s;
}
return ret;
}
CString
Ext2DiskInformation(PEXT2_DISK disk)
{
CString s, ret="";
s.Format("\r\nDisk %d: %s\r\n\r\n", disk->OrderNo, disk->Name);
ret += s;
if (disk->SDD.VendorIdOffset) {
ret += "\r\n VendorId: ";
ret += (PCHAR)&disk->SDD + disk->SDD.VendorIdOffset;
ret += "\r\n";
}
if (disk->SDD.ProductIdOffset) {
ret += " ProductId: ";
ret += (PCHAR)&disk->SDD + disk->SDD.ProductIdOffset;
ret += "\r\n";
}
if (disk->SDD.SerialNumberOffset) {
ret += " SerialNumber: ";
ret += (PCHAR)&disk->SDD + disk->SDD.SerialNumberOffset;
ret += "\r\n";
}
ret += " BusType: ";
ret += BusTypeString(disk->SDD.BusType);
ret += "\r\n";
ret += " Media Type: ";
if (disk->SDD.RemovableMedia) {
ret += " Removable\r\n";
} else {
s = "RAW";
if (disk->Layout) {
if (disk->Layout->PartitionStyle == PARTITION_STYLE_MBR) {
if (disk->Layout->PartitionEntry->Mbr.PartitionType
== PARTITION_LDM) {
s.LoadString(IDS_DISK_TYPE_DYN);
} else {
s.LoadString(IDS_DISK_TYPE_BASIC);
}
} else if (disk->Layout->PartitionStyle == PARTITION_STYLE_GPT) {
s = "GPT";
}
}
s += "\r\n";
ret += s;
}
if (disk->bEjected) {
ret += " No media\r\n";
} else {
/* geometry information */
ret += " DiskGeometry Layout:\r\n";
s.Format(" BytesPerSector = %u\r\n", disk->DiskGeometry.BytesPerSector);
ret += s;
s.Format(" SectorsPerTrack = %u\r\n", disk->DiskGeometry.SectorsPerTrack);
ret += s;
s.Format(" TracksPerCylinder = %u\r\n", disk->DiskGeometry.TracksPerCylinder);
ret += s;
s.Format(" Cylinderst = %I64u\r\n", disk->DiskGeometry.Cylinders.QuadPart);
ret += s;
switch (disk->DiskGeometry.MediaType) {
case FixedMedia: s="Fixed"; break;
case RemovableMedia: s="Removable"; break;
case CD_ROM: s="CDROM"; break;
case CD_R: s="CDR"; break;
case CD_RW: s="CDRW"; break;
case DVD_ROM: s="DVD"; break;
case DVD_R: s="DVDR"; break;
case DVD_RW: s="DVDRW"; break;
default: s="Unkown";
}
ret += " MediaType: ";
ret += s;
ret += "\r\n";
}
ret += "\r\n";
if (disk->Layout) {
s.Format(" Partition Numbers: %d\r\n", disk->NumParts);
ret += s;
for (UCHAR i=0; i < disk->NumParts; i++) {
ret += Ext2PartInformation(&disk->DataParts[i]);
ret += "\r\n";
}
}
return ret;
}
CString
Ext2CdromInformation(PEXT2_CDROM cdrom)
{
CString s, ret="";
s.Format("\r\nCdrom %d: %s\r\n\r\n", cdrom->OrderNo, cdrom->Name);
ret += s;
if (cdrom->SDD.VendorIdOffset) {
ret += " VendorId: ";
ret += (PCHAR)&cdrom->SDD + cdrom->SDD.VendorIdOffset;
ret += "\r\n";
}
if (cdrom->SDD.ProductIdOffset) {
ret += " ProductId: ";
ret += (PCHAR)&cdrom->SDD + cdrom->SDD.ProductIdOffset;
ret += "\r\n";
}
if (cdrom->SDD.SerialNumberOffset) {
ret += " SerialNumber: ";
ret += (PCHAR)&cdrom->SDD + cdrom->SDD.SerialNumberOffset;
ret += "\r\n";
}
ret += " BusType: ";
ret += BusTypeString(cdrom->SDD.BusType);
ret += "\r\n";
if (cdrom->bLoaded) {
ret += " Media Type: ";
if (cdrom->bIsDVD) {
s = "DVD\r\n";
} else {
s = "CDROM\r\n";
}
ret += s;
ret += " DiskGeometry Layout:\r\n";
s.Format(" BytesPerSector = %u\r\n", cdrom->DiskGeometry.BytesPerSector);
ret += s;
s.Format(" SectorsPerTrack = %u\r\n", cdrom->DiskGeometry.SectorsPerTrack);
ret += s;
s.Format(" TracksPerCylinder = %u\r\n", cdrom->DiskGeometry.TracksPerCylinder);
ret += s;
s.Format(" Cylinderst = %I64u\r\n", cdrom->DiskGeometry.Cylinders.QuadPart);
ret += s;
} else {
s = " No media\r\n";
ret += s;
}
if (cdrom->bLoaded) {
if (cdrom->bEjected) {
ret += " Media ejected\r\n";
} else {
ret += " File system: ";
if (cdrom->EVP.bExt2) {
s = "EXT";
s += (CHAR)('2' + cdrom->EVP.bExt3);
} else {
s = "CDFS";
}
ret += s;
ret += "\r\n";
s = " Online,";
switch (cdrom->DiskGeometry.MediaType) {
case FixedMedia: s +="Fixed"; break;
case RemovableMedia: s += "Media Removable"; break;
case CD_ROM: s +=" CDROM"; break;
case CD_R: s += "CDR"; break;
case CD_RW: s += "CDRW"; break;
case DVD_ROM: s += "DVD"; break;
case DVD_R: s += "DVDR"; break;
case DVD_RW: s += "DVDRW"; break;
default: s += "Unkown";
}
ret += s;
ret += "\r\n";
}
} else {
ret += " Device stopped\r\n";
}
ret += " Mountpoints: ";
ret += Ext2QueryVolumeLetterStrings(cdrom->DrvLetters, NULL);
ret += "\r\n";
return ret;
}
CString
Ext2VolumeInformation(PEXT2_VOLUME vol)
{
CString s, ret = "";
s.Format("\r\nVolume: %s:\r\n\r\n", vol->Name);
ret += s;
ret += " Filesystem: ";
ret += vol->FileSystem;
ret += "\r\n";
/* mount points */
ret += " Mountpoints: ";
ret += Ext2QueryVolumeLetterStrings(vol->DrvLetters, NULL);
ret += "\r\n";
/* set volume status */
s = " Volume status: Online";
if (vol->bRecognized && (vol->EVP.bExt2 || vol->EVP.bExt3)) {
s += ",codepage:";
s += vol->EVP.Codepage;
if (vol->EVP.bReadonly) {
s += ",Readonly";
}
}
ret += s;
ret += "\r\n";
{
ULONGLONG totalSize, freeSize;
totalSize = vol->FssInfo.TotalAllocationUnits.QuadPart;
freeSize = vol->FssInfo.AvailableAllocationUnits.QuadPart;
totalSize = totalSize * vol->FssInfo.BytesPerSector *
vol->FssInfo.SectorsPerAllocationUnit;
freeSize = freeSize * vol->FssInfo.BytesPerSector *
vol->FssInfo.SectorsPerAllocationUnit;
s.Format(" size: %I64u\r\n", totalSize);
ret += s;
s.Format(" free space: %I64u\r\n", freeSize);
ret += s;
}
if (vol->Extent) {
for (DWORD i=0; i < vol->Extent->NumberOfDiskExtents; i++) {
s.Format(" Extent: %d\r\n", i);
ret += s;
s.Format(" DiskNumber: %d\r\n", vol->Extent->Extents[i].DiskNumber);
ret += s;
s.Format(" StartingOffset: %I64u\r\n", vol->Extent->Extents[i].StartingOffset.QuadPart);
ret += s;
s.Format(" ExtentLength: %I64u\r\n", vol->Extent->Extents[i].ExtentLength.QuadPart);
ret += s;
}
}
return ret;
}
CString
Ext2SysInformation()
{
ULONG i = 0;
CString s;
PEXT2_VOLUME chain = gVols;
s = "\r\nDisk devices:\r\n";
for (i=0; i < g_nDisks; i++) {
s += Ext2DiskInformation(&gDisks[i]);
}
s += "\r\nCdrom/DVD devices:\r\n";
for (i=0; i < g_nCdroms; i++) {
s += Ext2CdromInformation(&gCdroms[i]);
}
while (chain) {
s += Ext2VolumeInformation(chain);
chain = chain->Next;
}
return s;
}
VOID
Ext2CleanupDisks()
{
ULONG i = 0;
for (i=0; i < g_nDisks; i++) {
if (gDisks[i].bLoaded) {
if (gDisks[i].Layout) {
free(gDisks[i].Layout);
gDisks[i].Layout = NULL;
}
gDisks[i].bLoaded = FALSE;
if (gDisks[i].DataParts) {
free(gDisks[i].DataParts);
}
}
}
g_nDisks = 0;
if (gDisks) {
free(gDisks); gDisks = NULL;
}
}
BOOL
Ext2LoadCdroms()
{
ULONG i = 0, j = 0;
NT::NTSTATUS status;
DWORD mediaType;
if (g_nCdroms == 0) {
return TRUE;
}
gCdroms = (PEXT2_CDROM) malloc(sizeof(EXT2_CDROM) * g_nCdroms);
if (gCdroms == NULL) {
return FALSE;
}
memset(gCdroms, 0, sizeof(EXT2_CDROM) * g_nCdroms);
while (i < g_nCdroms && j < 256) {
HANDLE Handle = NULL;
gCdroms[i].Magic[0] = EXT2_CDROM_DEVICE_MAGIC;
gCdroms[i].Magic[1] = EXT2_CDROM_VOLUME_MAGIC;
gCdroms[i].OrderNo = (UCHAR) j;
gCdroms[i].bLoaded = FALSE;
sprintf(gCdroms[i].Name, "\\Device\\Cdrom%d\0", j);
j++;
status = Ext2Open(gCdroms[i].Name, &Handle, EXT2_DESIRED_ACCESS);
if (!NT_SUCCESS(status)) {
continue;
}
status = Ext2QueryProperty( Handle, StorageDeviceProperty,
(PVOID)&gCdroms[i].SDD,
sizeof(STORAGE_DEVICE_DESCRIPTOR)
);
if (!NT_SUCCESS(status)) {
goto Next;
}
status = Ext2QueryProperty( Handle, StorageAdapterProperty,
(PVOID)&gCdroms[i].SAD,
sizeof(STORAGE_ADAPTER_DESCRIPTOR)
);
if (!NT_SUCCESS(status)) {
goto Next;
}
status = Ext2QueryDisk(Handle, &gCdroms[i].DiskGeometry);
if (NT_SUCCESS(status)) {
gCdroms[i].bEjected = FALSE;
} else {
// (status == STATUS_NO_MEDIA_IN_DEVICE) {
gCdroms[i].bEjected = TRUE;
}
status = Ext2QueryMediaType(Handle, &mediaType);
if (NT_SUCCESS(status) && mediaType == FILE_DEVICE_DVD) {
gCdroms[i].bIsDVD = TRUE;
} else {
gCdroms[i].bIsDVD = FALSE;
}
if (!gCdroms[i].bEjected) {
Ext2QueryExt2Property(Handle, &gCdroms[i].EVP);
}
gCdroms[i].bLoaded = TRUE;
Next:
Ext2Close(&Handle);
i++;
}
g_nCdroms = i;
return TRUE;
}
VOID
Ext2LoadCdromDrvLetters()
{
for (ULONG i = 0; i < g_nCdroms; i++) {
gCdroms[i].DrvLetters = Ext2QueryCdromDrvLetters(&gCdroms[i]);
}
}
VOID
Ext2CleanupCdroms()
{
ULONG i = 0;
for (i=0; i < g_nCdroms; i++) {
if (gCdroms[i].bLoaded) {
gCdroms[i].bLoaded = FALSE;
}
}
g_nCdroms = 0;
if (gCdroms) {
free(gCdroms); gCdroms = NULL;
}
}
BOOL
Ext2CompareExtents(
PVOLUME_DISK_EXTENTS ext1,
PVOLUME_DISK_EXTENTS ext2
)
{
DWORD nExt;
if (ext1->NumberOfDiskExtents != ext2->NumberOfDiskExtents) {
return FALSE;
}
for (nExt = 0; nExt < ext1->NumberOfDiskExtents; nExt++) {
if ((ext1->Extents[nExt].DiskNumber != ext2->Extents[nExt].DiskNumber) ||
(ext1->Extents[nExt].StartingOffset.QuadPart != ext2->Extents[nExt].StartingOffset.QuadPart) ||
(ext1->Extents[nExt].ExtentLength.QuadPart != ext2->Extents[nExt].ExtentLength.QuadPart) ) {
return FALSE;
}
}
return TRUE;
}
ULONGLONG
Ext2EjectedDiskLetters(
PEXT2_DISK Disk
)
{
ULONGLONG letters = 0;
int i;
/* checking the digits ltters */
for (i=0; i < 10; i++) {
if (drvDigits[i].bUsed && drvDigits[i].SDN) {
if (drvDigits[i].SDN->DeviceNumber == Disk->OrderNo) {
letters |= (((ULONGLONG) 1) << (32 + i));
}
}
}
for (i=0; i <26; i++) {
if (drvLetters[i].bUsed && drvLetters[i].SDN) {
if (drvLetters[i].SDN->DeviceNumber == Disk->OrderNo) {
letters |= (((ULONGLONG) 1) << i);
}
}
}
return letters;
}
ULONGLONG
Ext2QueryVolumeDrvLetters(PEXT2_VOLUME Volume)
{
ULONGLONG letters = 0;
int i;
UCHAR drvChar = Ext2QueryMountPoint(Volume->Name);
if (drvChar) {
letters |= (((ULONGLONG) 1) << (drvChar - 'A'));
}
if (!Volume->Extent) {
goto errorout;
}
/* checking the digits ltters */
for (i=0; i < 10; i++) {
if (drvDigits[i].bUsed && drvDigits[i].Extent) {
if (Ext2CompareExtents(drvDigits[i].Extent, Volume->Extent)) {
letters |= (((ULONGLONG) 1) << (32 + i));
if (drvChar != drvDigits[i].Letter) {
drvDigits[i].bTemporary = TRUE;
}
}
}
}
for (i=0; i <26; i++) {
if (drvLetters[i].bUsed && drvLetters[i].Extent) {
if (Ext2CompareExtents(drvLetters[i].Extent, Volume->Extent)) {
letters |= (((ULONGLONG) 1) << i);
if (drvChar != drvLetters[i].Letter) {
drvLetters[i].bTemporary = TRUE;
}
}
}
}
errorout:
return letters;
}
ULONGLONG
Ext2QueryCdromDrvLetters(PEXT2_CDROM Cdrom)
{
ULONGLONG letters = 0;
UCHAR drvChar;
int i;
if (!Cdrom) {
goto errorout;
}
drvChar = Ext2QueryMountPoint(Cdrom->Name);
if (drvChar) {
letters |= (((ULONGLONG) 1) << (drvChar - 'A'));
}
/* checking the digits ltters */
for (i=0; i < 10; i++) {
if (drvDigits[i].bUsed && drvDigits[i].DrvType == DRIVE_CDROM) {
if (!_stricmp(drvDigits[i].SymLink, Cdrom->Name)) {
letters |= (((ULONGLONG) 1) << (i + 32));
}
}
}
for (i=0; i <26; i++) {
if (drvLetters[i].bUsed && drvLetters[i].DrvType == DRIVE_CDROM) {
if (!_stricmp(drvLetters[i].SymLink, Cdrom->Name)) {
letters |= (((ULONGLONG) 1) << i);
}
}
}
errorout:
return letters;
}
BOOL
Ext2QueryVolumeFS(
HANDLE Handle,
PEXT2_VOLUME volume
)
{
struct ext2_super_block *sb = NULL;
union swap_header* swap = NULL;
PUCHAR buffer = NULL;
NT::NTSTATUS status;
buffer = (PUCHAR)malloc(PAGE_SIZE);
if (!buffer) {
return FALSE;
}
swap = (union swap_header*)&buffer[SWAP_HEADER_OFFSET];
sb = (struct ext2_super_block *)&buffer[SUPER_BLOCK_OFFSET];
status = Ext2Read( Handle, FALSE, volume->FssInfo.BytesPerSector,
(ULONGLONG)0,PAGE_SIZE, (PUCHAR) buffer);
if (!NT_SUCCESS(status)) {
free(buffer);
return FALSE;
}
if (sb->s_magic == EXT2_SUPER_MAGIC) {
volume->FsaInfo.FileSystemNameLength = 8;
volume->FsaInfo.FileSystemName[0] = (WCHAR)'E';
volume->FsaInfo.FileSystemName[1] = (WCHAR)'X';
volume->FsaInfo.FileSystemName[2] = (WCHAR)'T';
volume->FsaInfo.FileSystemName[4] = 0;
if ((sb->s_feature_incompat & EXT3_FEATURE_INCOMPAT_JOURNAL_DEV) ||
(sb->s_feature_incompat & EXT3_FEATURE_INCOMPAT_RECOVER) ||
(sb->s_feature_compat & EXT3_FEATURE_COMPAT_HAS_JOURNAL) ) {
volume->FsaInfo.FileSystemName[3] = (WCHAR)'3';
volume->EVP.bExt3 = TRUE;
} else {
volume->FsaInfo.FileSystemName[3] = (WCHAR)'2';
volume->EVP.bExt2 = TRUE;
}
memcpy(&volume->EVP.UUID[0], &sb->s_uuid[0], 16);
goto errorout;
}
if ((memcmp(swap->magic.magic, SWAP_HEADER_MAGIC_V1, 10) == 0) ||
(memcmp(swap->magic.magic, SWAP_HEADER_MAGIC_V2, 10) == 0)) {
volume->FsaInfo.FileSystemNameLength = 8;
volume->FsaInfo.FileSystemName[0] = (WCHAR)'S';
volume->FsaInfo.FileSystemName[1] = (WCHAR)'W';
volume->FsaInfo.FileSystemName[2] = (WCHAR)'A';
volume->FsaInfo.FileSystemName[3] = (WCHAR)'P';
volume->FsaInfo.FileSystemName[4] = 0;
}
errorout:
free(buffer);
return (volume->EVP.bExt2 || volume->EVP.bExt3);
}
BOOL
Ext2QueryExt2Property (
HANDLE Handle,
PEXT2_VOLUME_PROPERTY3 EVP
)
{
NT::NTSTATUS status;
NT::IO_STATUS_BLOCK iosb;
BOOLEAN bExt2, bExt3;
CHAR UUID[16];
if (!Ext2IsServiceStarted()) {
return FALSE;
}
bExt2 = EVP->bExt2;
bExt3 = EVP->bExt3;
memcpy(&UUID[0], &EVP->UUID[0], 16);
memset(EVP, 0, sizeof(EXT2_VOLUME_PROPERTY2));
memcpy(&EVP->UUID[0], &UUID[0], 16);
EVP->bExt2 = bExt2;
EVP->bExt3 = bExt3;
EVP->Magic = EXT2_VOLUME_PROPERTY_MAGIC;
EVP->Command = APP_CMD_QUERY_PROPERTY3;
status = NT::ZwDeviceIoControlFile(
Handle, NULL, NULL, NULL, &iosb,
IOCTL_APP_VOLUME_PROPERTY,
EVP, sizeof(EXT2_VOLUME_PROPERTY3),
EVP, sizeof(EXT2_VOLUME_PROPERTY3)
);
return NT_SUCCESS(status);
}
BOOL
Ext2QueryPerfStat (
HANDLE Handle,
PEXT2_QUERY_PERFSTAT Stat,
PEXT2_PERF_STATISTICS_V1 *PerfV1,
PEXT2_PERF_STATISTICS_V2 *PerfV2
)
{
NT::NTSTATUS status;
NT::IO_STATUS_BLOCK iosb;
memset(Stat, 0, sizeof(EXT2_QUERY_PERFSTAT));
Stat->Magic = EXT2_VOLUME_PROPERTY_MAGIC;
Stat->Command = IOCTL_APP_QUERY_PERFSTAT;
*PerfV1 = NULL;
*PerfV2 = NULL;
status = NT::ZwDeviceIoControlFile(
Handle, NULL, NULL, NULL, &iosb,
IOCTL_APP_QUERY_PERFSTAT,
Stat, sizeof(EXT2_QUERY_PERFSTAT),
Stat, sizeof(EXT2_QUERY_PERFSTAT)
);
if (!NT_SUCCESS(!status))
return FALSE;
if (iosb.Information == EXT2_QUERY_PERFSTAT_SZV2 &&
(Stat->Flags & EXT2_QUERY_PERFSTAT_VER2) != 0) {
if (Stat->PerfStatV2.Magic == EXT2_PERF_STAT_MAGIC &&
Stat->PerfStatV2.Length == sizeof(EXT2_PERF_STATISTICS_V2) &&
Stat->PerfStatV2.Version == EXT2_PERF_STAT_VER2) {
*PerfV2 = &Stat->PerfStatV2;
}
} else if (iosb.Information >= EXT2_QUERY_PERFSTAT_SZV1) {
*PerfV1 = &Stat->PerfStatV1;
}
if (PerfV1 || PerfV2)
return TRUE;
return FALSE;
}
VOID
Ext2StorePropertyinRegistry(PEXT2_VOLUME_PROPERTY3 EVP)
{
CHAR UUID[50], ID[16];
HKEY hKey;
CHAR keyPath[MAX_PATH];
LONG status;
CString data = "";
int i;
int len = 0;
memset(UUID, 0, 50);
for (i=0; i < 16; i++) {
if (i == 0) {
sprintf(&UUID[len], "{%2.2X", EVP->UUID[i]);
len += 3;
} else if (i == 15) {
sprintf(&UUID[len], "-%2.2X}", EVP->UUID[i]);
len +=4;
} else {
sprintf(&UUID[len], "-%2.2X", EVP->UUID[i]);
len += 3;
}
}
/* Create or open ext2fsd volumes key */
strcpy (keyPath, "SYSTEM\\CurrentControlSet\\Services\\Ext2Fsd\\Volumes") ;
status = ::RegCreateKeyEx (HKEY_LOCAL_MACHINE,
keyPath,
0,
0,
REG_OPTION_NON_VOLATILE,
KEY_ALL_ACCESS,
NULL,
&hKey,
NULL);
if (status != ERROR_SUCCESS) {
return;
}
#define READING_ONLY "Readonly"
#define WRITING_SUPPORT "WritingSupport"
#define EXT3_FORCEWRITING "Ext3ForceWriting"
#define CODEPAGE_NAME "CodePage"
#define HIDING_PREFIX "HidingPrefix"
#define HIDING_SUFFIX "HidingSuffix"
#define MOUNT_POINT "MountPoint"
#define UID "uid"
#define GID "gid"
#define EUID "euid"
#define EGID "egid"
if (EVP->bReadonly) {
data += READING_ONLY";";
} else if (EVP->bExt3 && EVP->bExt3Writable) {
data += EXT3_FORCEWRITING";";
}
if (EVP->DrvLetter) {
if ((EVP->DrvLetter & 0x7F) == 0 || EVP->DrvLetter == 0xFF) {
data += MOUNT_POINT";";
} else {
data += MOUNT_POINT"=";
data += (CHAR)(EVP->DrvLetter & 0x7F);
data += ":;";
}
}
if (strlen((CHAR*)EVP->Codepage) > 0) {
data += CODEPAGE_NAME"=";
data += &EVP->Codepage[0];
data += ";";
}
if (EVP->bHidingPrefix) {
data += HIDING_PREFIX"=";
data += EVP->sHidingPrefix;
data += ";";
}
if (EVP->bHidingSuffix) {
data += HIDING_SUFFIX"=";
data += EVP->sHidingSuffix;
data += ";";
}
if (EVP->Flags2 & EXT2_VPROP3_USERIDS) {
sprintf(ID, "%u", EVP->uid);
data += UID"=";
data += ID;
data += ";";
sprintf(ID, "%u", EVP->gid);
data += GID"=";
data += ID;
data += ";";
if (EVP->EIDS) {
sprintf(ID, "%u", EVP->euid);
data += EUID"=";
data += ID;
data += ";";
}
}
/* set volume parameters */
status = RegSetValueEx( hKey, UUID, 0, REG_SZ, (BYTE *)
data.GetBuffer(data.GetLength()),
data.GetLength());
RegCloseKey(hKey);
}
BOOL Ext2IsNullUuid (__u8 * uuid)
{
int i;
for (i = 0; i < 16; i++) {
if (uuid[i]) {
break;
}
}
return (i >= 16);
}
BOOL
Ext2CheckVolumeRegistryProperty(PEXT2_VOLUME_PROPERTY3 EVP)
{
CHAR UUID[50];
HKEY hKey;
CHAR keyPath[MAX_PATH];
CHAR content[MAX_PATH];
LONG status, type = 0;
int i;
int len = 0;
BOOL rc = TRUE;
if (Ext2IsNullUuid(&EVP->UUID[0])) {
return TRUE;
}
memset(UUID, 0, 50);
for (i=0; i < 16; i++) {
if (i == 0) {
sprintf(&UUID[len], "{%2.2X", EVP->UUID[i]);
len += 3;
} else if (i == 15) {
sprintf(&UUID[len], "-%2.2X}", EVP->UUID[i]);
len +=4;
} else {
sprintf(&UUID[len], "-%2.2X", EVP->UUID[i]);
len += 3;
}
}
/* Create or open ext2fsd volumes key */
strcpy (keyPath, "SYSTEM\\CurrentControlSet\\Services\\Ext2Fsd\\Volumes") ;
status = ::RegOpenKeyEx (HKEY_LOCAL_MACHINE,
keyPath,
0,
KEY_ALL_ACCESS,
&hKey) ;
if (status != ERROR_SUCCESS) {
rc = FALSE;
goto errorout;
}
/* Query volume parameters */
len = MAX_PATH;
status = RegQueryValueEx(hKey,
&UUID[0],
0,
(LPDWORD)&type,
(BYTE *)&content[0],
(LPDWORD)&len);
if (status != ERROR_SUCCESS) {
rc = FALSE;
}
RegCloseKey(hKey);
errorout:
return rc;
}
VOID
Ext2SetDefaultVolumeRegistryProperty(PEXT2_VOLUME_PROPERTY3 EVP)
{
ULONG StartMode;
BOOL AutoMount = 0;
if (Ext2IsNullUuid(&EVP->UUID[0])) {
return;
}
/* query global parameters */
Ext2QueryGlobalProperty(
&StartMode,
(BOOL *)&EVP->bReadonly,
(BOOL *)&EVP->bExt3Writable,
(CHAR *)EVP->Codepage,
(CHAR *)NULL,
(CHAR *)NULL,
(BOOL *)&AutoMount
);
if (EVP->bExt3 && !EVP->bExt3Writable)
EVP->bReadonly = TRUE;
EVP->DrvLetter = 0x80;
EVP->Flags2 |= EXT2_VPROP3_AUTOMOUNT;
Ext2StorePropertyinRegistry(EVP);
}
BOOL
Ext2SetExt2Property (
HANDLE Handle,
PEXT2_VOLUME_PROPERTY3 EVP
)
{
NT::NTSTATUS status;
NT::IO_STATUS_BLOCK iosb;
ASSERT(EVP->Magic == EXT2_VOLUME_PROPERTY_MAGIC);
EVP->Command = APP_CMD_SET_PROPERTY3;
status = NT::ZwDeviceIoControlFile(
Handle, NULL, NULL, NULL, &iosb,
IOCTL_APP_VOLUME_PROPERTY,
EVP, sizeof(EXT2_VOLUME_PROPERTY3),
EVP, sizeof(EXT2_VOLUME_PROPERTY3)
);
if (NT_SUCCESS(status)) {
return TRUE;
} else {
CString s;
s.Format("Status = %xh\n", status);
AfxMessageBox(s);
}
return FALSE;
}
BOOL
Ext2QueryGlobalProperty(
ULONG * ulStartup,
BOOL * bReadonly,
BOOL * bExt3Writable,
CHAR * Codepage,
CHAR * sPrefix,
CHAR * sSuffix,
BOOL * bAutoMount
)
{
int rc = TRUE;
HKEY hKey;
CHAR keyPath[MAX_PATH];
DWORD data = 0;
LONG status, type, len;
/* Open ext2fsd sevice key */
strcpy (keyPath, "SYSTEM\\CurrentControlSet\\Services\\Ext2Fsd") ;
status = ::RegOpenKeyEx (HKEY_LOCAL_MACHINE,
keyPath,
0,
KEY_ALL_ACCESS,
&hKey) ;
if (status != ERROR_SUCCESS) {
rc = FALSE;
goto errorout;
}
/* Query Start type */
len = sizeof(DWORD);
status = RegQueryValueEx( hKey,
"Start",
0,
(LPDWORD)&type,
(BYTE *)&data,
(LPDWORD)&len);
if (status == ERROR_SUCCESS) {
*ulStartup = data;
}
RegCloseKey(hKey);
/* Open ext2fsd parameters key */
strcpy (keyPath, "SYSTEM\\CurrentControlSet\\Services\\Ext2Fsd\\Parameters") ;
status = ::RegOpenKeyEx (HKEY_LOCAL_MACHINE,
keyPath,
0,
KEY_ALL_ACCESS,
&hKey) ;
if (status != ERROR_SUCCESS) {
rc = FALSE;
goto errorout;
}
/* Query WritingSupport */
len = sizeof(DWORD);
status = RegQueryValueEx( hKey,
"WritingSupport",
0,
(LPDWORD)&type,
(BYTE *)&data,
(LPDWORD)&len);
if (status == ERROR_SUCCESS) {
*bReadonly = (data == 0);
}
/* query Ext3ForceWriting */
len = sizeof(DWORD);
status = RegQueryValueEx( hKey,
"Ext3ForceWriting",
0,
(LPDWORD)&type,
(BYTE *)&data,
(LPDWORD)&len);
if (status == ERROR_SUCCESS) {
*bExt3Writable = (data != 0);
}
/* query AutoMount */
len = sizeof(DWORD);
status = RegQueryValueEx( hKey,
"AutoMount",
0,
(LPDWORD)&type,
(BYTE *)&data,
(LPDWORD)&len);
if (status == ERROR_SUCCESS) {
*bAutoMount = (data != 0);
}
if (Codepage) {
/* query codepage */
len = CODEPAGE_MAXLEN;
status = RegQueryValueEx( hKey,
"CodePage",
0,
(LPDWORD)&type,
(BYTE *)Codepage,
(LPDWORD)&len);
}
if (sPrefix) {
/* querying hidding filter patterns */
len = CODEPAGE_MAXLEN;
status = RegQueryValueEx( hKey,
"HidingPrefix",
0,
(LPDWORD)&type,
(BYTE *)sPrefix,
(LPDWORD)&len);
}
if (sSuffix) {
len = CODEPAGE_MAXLEN;
status = RegQueryValueEx( hKey,
"HidingSuffix",
0,
(LPDWORD)&type,
(BYTE *)sSuffix,
(LPDWORD)&len);
}
RegCloseKey(hKey);
errorout:
return rc;
}
INT
Ext2QueryDrvVersion(
CHAR * Version,
CHAR * Date,
CHAR * Time
)
{
EXT2_VOLUME_PROPERTY_VERSION EVPV;
NT::NTSTATUS status;
HANDLE handle = NULL;
NT::IO_STATUS_BLOCK iosb;
INT rc = 0;
memset(&EVPV, 0, sizeof(EXT2_VOLUME_PROPERTY_VERSION));
EVPV.Magic = EXT2_VOLUME_PROPERTY_MAGIC;
EVPV.Command = APP_CMD_QUERY_VERSION;
EVPV.Flags |= EXT2_FLAG_VP_SET_GLOBAL;
status = Ext2Open("\\DosDevices\\Ext2Fsd",
&handle, EXT2_DESIRED_ACCESS);
if (!NT_SUCCESS(status)) {
rc = -1;
goto errorout;
}
status = NT::ZwDeviceIoControlFile(
handle, NULL, NULL, NULL, &iosb,
IOCTL_APP_VOLUME_PROPERTY,
&EVPV, sizeof(EXT2_VOLUME_PROPERTY_VERSION),
&EVPV, sizeof(EXT2_VOLUME_PROPERTY_VERSION)
);
if (NT_SUCCESS(status)) {
strncpy(Version, EVPV.Version, 0x1B);
strncpy(Date, EVPV.Date, 0x1F);
strncpy(Time, EVPV.Time, 0x1F);
}
rc = NT_SUCCESS(status);
errorout:
Ext2Close(&handle);
return rc;
}
BOOL
Ext2SetGlobalProperty (
ULONG ulStartup,
BOOLEAN bReadonly,
BOOLEAN bExt3Writable,
CHAR * Codepage,
CHAR * sPrefix,
CHAR * sSuffix,
BOOL bAutoMount
)
{
EXT2_VOLUME_PROPERTY3 EVP;
NT::NTSTATUS status;
HANDLE Handle = NULL;
int rc = TRUE;
HKEY hKey;
CHAR keyPath[MAX_PATH] ;
ULONG data = 0;
memset(&EVP, 0, sizeof(EXT2_VOLUME_PROPERTY3));
EVP.Magic = EXT2_VOLUME_PROPERTY_MAGIC;
EVP.Command = APP_CMD_SET_PROPERTY3;
EVP.Flags |= EXT2_FLAG_VP_SET_GLOBAL;
EVP.bReadonly = bReadonly;
EVP.bExt3Writable = bExt3Writable;
strcpy((CHAR *)EVP.Codepage, Codepage);
if (strlen(sPrefix)) {
strcpy(EVP.sHidingPrefix, sPrefix);
EVP.bHidingPrefix = TRUE;
}
if (strlen(sSuffix)) {
strcpy(EVP.sHidingSuffix, sSuffix);
EVP.bHidingSuffix = TRUE;
}
strcpy (keyPath, "SYSTEM\\CurrentControlSet\\Services\\Ext2Fsd") ;
status = ::RegOpenKeyEx (HKEY_LOCAL_MACHINE,
keyPath,
0,
KEY_ALL_ACCESS,
&hKey) ;
if (status != ERROR_SUCCESS) {
rc = FALSE;
goto errorout;
}
/* set Start type */
status = RegSetValueEx( hKey,
"Start",
0,
REG_DWORD,
(BYTE *)&ulStartup,
sizeof(DWORD));
RegCloseKey(hKey);
strcpy (keyPath, "SYSTEM\\CurrentControlSet\\Services\\Ext2Fsd\\Parameters") ;
status = ::RegOpenKeyEx (HKEY_LOCAL_MACHINE,
keyPath,
0,
KEY_ALL_ACCESS,
&hKey) ;
if (status != ERROR_SUCCESS) {
rc = FALSE;
goto errorout;
}
/* set WritingSupport */
data = !bReadonly;
status = RegSetValueEx( hKey,
"WritingSupport",
0,
REG_DWORD,
(BYTE *)&data,
sizeof(ULONG));
/* set Ext3ForceWriting */
data = bExt3Writable;
status = RegSetValueEx( hKey,
"Ext3ForceWriting",
0,
REG_DWORD,
(BYTE *)&data,
sizeof(ULONG));
/* set AutoMount */
data = bAutoMount;
status = RegSetValueEx( hKey,
"AutoMount",
0,
REG_DWORD,
(BYTE *)&data,
sizeof(ULONG));
/* set codepage */
status = RegSetValueEx( hKey,
"CodePage",
0,
REG_SZ,
(BYTE *)Codepage,
strlen(Codepage));
/* set hiding filter patterns */
status = RegSetValueEx( hKey,
"HidingPrefix",
0,
REG_SZ,
(BYTE *)sPrefix,
strlen(sPrefix));
status = RegSetValueEx( hKey,
"HidingSuffix",
0,
REG_SZ,
(BYTE *)sSuffix,
strlen(sSuffix));
RegCloseKey(hKey);
status = Ext2Open("\\DosDevices\\Ext2Fsd", &Handle, EXT2_DESIRED_ACCESS);
if (!NT_SUCCESS(status)) {
goto errorout;
}
EVP.Flags2 = EXT2_VPROP3_AUTOMOUNT;
EVP.AutoMount = g_bAutoMount;
rc = Ext2SetExt2Property(Handle, &EVP);
if (!rc) {
}
errorout:
Ext2Close(&Handle);
return rc;
}
BOOL
Ext2SetService(PCHAR Target, PCHAR Name, PCHAR Desc, BOOL bInstall)
{
SC_HANDLE hService;
SC_HANDLE hManager;
// open Service Control Manager
hManager = OpenSCManager(NULL, NULL, SC_MANAGER_ALL_ACCESS);
if (hManager == NULL) {
// AfxMessageBox("Ext2Mgr: cannot open Service Control Manager",
// MB_ICONEXCLAMATION | MB_OK);
return FALSE;
}
if (bInstall) {
// now create service entry
hService = CreateService(
hManager, // SCManager database
Name, // name of service
Desc, // name to display
SERVICE_ALL_ACCESS, // desired access
SERVICE_WIN32_OWN_PROCESS | SERVICE_INTERACTIVE_PROCESS,
// service type
SERVICE_AUTO_START, // start type
SERVICE_ERROR_NORMAL, // error control type
Target, // service's binary
NULL, // no load ordering group
NULL, // no tag identifier
NULL, // dependencies
NULL, // LocalSystem account
NULL); // no password
if (hService == NULL) {
DWORD error = GetLastError();
if (error == ERROR_SERVICE_EXISTS) {
// AfxMessageBox("Service is already registered.",
// MB_ICONEXCLAMATION | MB_OK);
} else {
// AfxMessageBox("Service couldn't be registered.",
// MB_ICONEXCLAMATION | MB_OK);
}
} else {
CloseServiceHandle(hService);
}
} else {
/* open the service */
hService = OpenService(
hManager,
Name,
SERVICE_ALL_ACCESS
);
if (hService != NULL) {
// remove the service from the SCM
if (DeleteService(hService)) {
} else {
DWORD error = GetLastError();
if (error == ERROR_SERVICE_MARKED_FOR_DELETE) {
// AfxMessageBox("Service is already unregistered",
// MB_ICONEXCLAMATION | MB_OK);
} else {
// AfxMessageBox("Service could not be unregistered",
// MB_ICONEXCLAMATION | MB_OK);
}
}
CloseServiceHandle(hService);
}
}
CloseServiceHandle(hManager);
return TRUE;
}
BOOL ExtSaveResourceToFile(UINT id, CHAR *target)
{
HANDLE handle;
ULONG bytes = 0;
BOOL rc = FALSE;
HRSRC hr = FindResource(NULL, MAKEINTRESOURCE(id), RT_RCDATA);
ULONG size = SizeofResource(NULL, hr);
HGLOBAL hg = LoadResource(NULL, hr);
PVOID data = LockResource(hg);
if (!data)
goto errorout;
handle = CreateFile(target, GENERIC_READ | GENERIC_WRITE,
FILE_SHARE_READ | FILE_SHARE_WRITE, NULL,
CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
if (handle == INVALID_HANDLE_VALUE) {
goto errorout;
}
rc = WriteFile(handle, data, size, &bytes, NULL);
if (rc)
rc = (bytes == size);
CloseHandle(handle);
errorout:
return rc;
}
TCHAR *Ext2StrLastA(TCHAR *t, TCHAR *s);
BOOL Ext2InstallExt2Srv()
{
TCHAR cmd[512] = {0}, *p;
BOOL rc = FALSE;
if (GetWindowsDirectory(cmd, 512)) {
if (g_isWow64)
strcat(cmd, "\\SysWOW64\\Ext2Srv.EXE");
else
strcat(cmd, "\\System32\\Ext2Srv.EXE");
rc = ExtSaveResourceToFile(IDR_RCDAT_SRV, cmd);
}
if (!rc) {
GetModuleFileName(NULL, cmd, 510);
p = Ext2StrLastA(cmd, ".EXE");
if (p && p > &cmd[3]) {
p[-3] = 'S';
p[-2] = 'r';
p[-1] = 'v';
} else {
strcat(cmd, "-Srv.EXE");
}
rc = ExtSaveResourceToFile(IDR_RCDAT_SRV, cmd);
}
if (!rc) {
GetTempPath(50, cmd);
strcat(cmd, "\\Ext2Srv.EXE");
rc = ExtSaveResourceToFile(IDR_RCDAT_SRV, cmd);
}
if (!rc) {
return rc;
}
rc = Ext2SetService(cmd, "Ext2Srv", "Ext2Fsd Service Manager", TRUE);
if (!rc) {
return rc;
}
return Ext2StartService("Ext2Srv");
}
BOOL
Ext2StartService(CHAR *service)
{
BOOL rc = FALSE;
SC_HANDLE scmHandle = NULL;
SC_HANDLE drvHandle = NULL;
scmHandle = OpenSCManager(NULL, NULL, SC_MANAGER_ALL_ACCESS);
if (!scmHandle) {
goto errorout;
}
drvHandle = OpenService(scmHandle,
service,
SERVICE_ALL_ACCESS);
if (!drvHandle) {
goto errorout;
}
rc = (0 != StartService(drvHandle, 0, NULL));
errorout:
if (drvHandle)
CloseServiceHandle(drvHandle);
if (scmHandle) {
CloseServiceHandle(scmHandle);
}
return rc;
}
BOOL
Ext2StartExt2Srv()
{
BOOL rc = Ext2StartService("Ext2Srv");
if (!rc)
rc = Ext2InstallExt2Srv();
return rc;
}
BOOL
Ext2StartExt2Fsd()
{
if (Ext2IsServiceStarted()) {
return TRUE;
}
return Ext2StartService("ext2fsd");
}
BOOL
Ext2IsServiceStarted()
{
NT::NTSTATUS status;
HANDLE Handle = NULL;
status = Ext2Open("\\DosDevices\\Ext2Fsd",
&Handle, EXT2_DESIRED_ACCESS);
Ext2Close(&Handle);
if (NT_SUCCESS(status)) {
return TRUE;
}
return FALSE;
}
BOOL
Ext2IsRemovable(PEXT2_VOLUME volume)
{
STORAGE_BUS_TYPE busType = BusTypeAta;
BOOL bRemovableMedia = FALSE;
if (volume && volume->Part) {
busType = volume->Part->Disk->SDD.BusType;
bRemovableMedia = volume->Part->Disk->SDD.RemovableMedia;
}
if (busType == BusType1394 ||
busType == BusTypeUsb ||
bRemovableMedia ) {
return TRUE;
}
return FALSE;
}
BOOL
Ext2RemoveDriveLetter(CHAR DrvLetter)
{
PEXT2_LETTER drvLetter = NULL;
BOOL rc = FALSE;
if (DrvLetter >= '0' && DrvLetter <= '9') {
drvLetter = &drvDigits[DrvLetter - '0'];
} else if (DrvLetter >= 'A' && DrvLetter <= 'Z') {
drvLetter = &drvLetters[DrvLetter - 'A'];
} else if (DrvLetter >= 'a' && DrvLetter <= 'z') {
drvLetter = &drvLetters[DrvLetter - 'a'];
}
if (drvLetter && drvLetter->bUsed) {
rc = Ext2RemoveDrvLetter(drvLetter);
}
return rc;
}
BOOL
Ext2InitializeVolume(
PCHAR NameString,
PEXT2_VOLUME * Volume
)
{
BOOL rc = FALSE;
HANDLE hVolume = NULL;
NT::NTSTATUS status;
NT::IO_STATUS_BLOCK ioSb;
PEXT2_VOLUME volume = NULL;
volume = (PEXT2_VOLUME) malloc(sizeof(EXT2_VOLUME));
if (!volume) {
goto errorout;
}
status = Ext2Open(NameString, &hVolume, EXT2_DESIRED_ACCESS);
if (!NT_SUCCESS(status)) {
free(volume); volume = NULL;
goto errorout;
}
memset(volume, 0, sizeof(EXT2_VOLUME));
volume->Magic = EXT2_VOLUME_MAGIC;
strcpy(volume->Name, NameString);
status = NT::ZwQueryVolumeInformationFile(
hVolume, &ioSb, &volume->FsaInfo,
MAX_PATH, NT::FileFsAttributeInformation
);
if (NT_SUCCESS(status)) {
NT::UNICODE_STRING uniString;
NT::ANSI_STRING aniString;
NT::ZwQueryVolumeInformationFile(
hVolume, &ioSb, &volume->FsdInfo,
sizeof(NT::FILE_FS_DEVICE_INFORMATION),
NT::FileFsDeviceInformation
);
NT::ZwQueryVolumeInformationFile(
hVolume, &ioSb, &volume->FssInfo,
sizeof(NT::FILE_FS_SIZE_INFORMATION),
NT::FileFsSizeInformation
);
if (volume->FsaInfo.FileSystemNameLength == 6 &&
(volume->FsaInfo.FileSystemName[0] == (WCHAR)'R' ||
volume->FsaInfo.FileSystemName[0] == (WCHAR)'r') &&
(volume->FsaInfo.FileSystemName[1] == (WCHAR)'A' ||
volume->FsaInfo.FileSystemName[1] == (WCHAR)'a') &&
(volume->FsaInfo.FileSystemName[2] == (WCHAR)'W' ||
volume->FsaInfo.FileSystemName[2] == (WCHAR)'w')) {
if (!Ext2QueryVolumeFS(hVolume, volume)) {
/* memcpy(volume->Codepage, "N/A", 3); */
}
} else {
if (Ext2QueryExt2Property(hVolume, &volume->EVP)) {
volume->bRecognized = TRUE;
}
}
/* convert the unicode file system name to mbs */
uniString.MaximumLength = uniString.Length =
(USHORT)volume->FsaInfo.FileSystemNameLength;
uniString.Buffer = volume->FsaInfo.FileSystemName;
aniString.Buffer = volume->FileSystem;
aniString.Length = 0;
aniString.MaximumLength = 64;
memset(volume->FileSystem, 0, 64);
NT::RtlUnicodeStringToAnsiString(&aniString, &uniString, FALSE);
}
volume->Extent = Ext2QueryVolumeExtents(hVolume);
if (!volume->Extent) {
free(volume); volume = NULL;
goto errorout;
}
*Volume = volume; rc = TRUE;
errorout:
Ext2Close(&hVolume);
return rc;
}
CHAR
Ext2ProcessExt2Property(PEXT2_VOLUME volume)
{
HANDLE hVolume = NULL;
NT::NTSTATUS status;
CHAR rc = 0;
status = Ext2Open(volume->Name, &hVolume, EXT2_DESIRED_ACCESS);
if (!NT_SUCCESS(status)) {
goto errorout;
}
if (Ext2QueryExt2Property(hVolume, &volume->EVP)) {
if (volume->DrvLetters == 0 && volume->EVP.DrvLetter) {
CHAR DrvLetter = volume->EVP.DrvLetter & 0x7F;
if (DrvLetter && Ext2IsDrvLetterAvailable(DrvLetter)) {
rc = Ext2MountVolumeAs(volume->Name, DrvLetter);
} else {
rc = volume->EVP.DrvLetter = Ext2MountVolume(volume->Name);
volume->EVP.DrvLetter |= 0x80;
}
}
}
errorout:
Ext2Close(&hVolume);
return rc;
}
BOOL Ext2ProcessExt2Volumes()
{
PEXT2_VOLUME volume = gVols;
BOOL rc = FALSE;
while (volume) {
if (Ext2ProcessExt2Property(volume)) {
rc = TRUE;
}
volume = volume->Next;
}
return rc;
}
BOOL
Ext2IsPartitionExtent(
ULONG disk,
PPARTITION_INFORMATION_EXT part,
PVOLUME_DISK_EXTENTS extent
)
{
DWORD nExt = 0;
for (nExt = 0; nExt < extent->NumberOfDiskExtents; nExt++) {
if ((extent->Extents[nExt].DiskNumber == disk) &&
(extent->Extents[nExt].StartingOffset.QuadPart ==
part->StartingOffset.QuadPart ) &&
(extent->Extents[nExt].ExtentLength.QuadPart ==
part->PartitionLength.QuadPart)) {
return TRUE;
}
}
return FALSE;
}
/* should be called after volumes' initiaization */
BOOL
Ext2LoadDiskPartitions(PEXT2_DISK Disk)
{
UCHAR i = 0, cnt = 0;
ULONG j = 0;
BOOL bDynamic = FALSE;
if (Disk->NumParts == 0) {
Disk->NumParts = 1;
}
Disk->DataParts = (PEXT2_PARTITION) malloc(
sizeof(EXT2_PARTITION) * Disk->NumParts);
if (!Disk->DataParts) {
return FALSE;
}
memset(Disk->DataParts, 0, sizeof(EXT2_PARTITION) * Disk->NumParts);
if (Disk->Layout) {
if (Disk->Layout->PartitionStyle == PARTITION_STYLE_MBR &&
Disk->Layout->PartitionEntry->Mbr.PartitionType == PARTITION_LDM) {
bDynamic = TRUE;
}
/* Now walk through driveLayout and pack partitions */
for (i = 0; (Disk->Layout != NULL) &&
(i < (UCHAR)Disk->Layout->PartitionCount); i++) {
PPARTITION_INFORMATION_EXT Part;
Part = &Disk->Layout->PartitionEntry[i];
if (Disk->Layout->PartitionStyle == PARTITION_STYLE_MBR) {
if (Part->Mbr.PartitionType == PARTITION_ENTRY_UNUSED ||
Part->Mbr.PartitionType == PARTITION_EXTENDED ||
Part->Mbr.PartitionType == PARTITION_XINT13_EXTENDED) {
continue;
}
}
sprintf(&Disk->DataParts[cnt].Name[0],
"\\Device\\Harddisk%u\\Partition%u",
Disk->OrderNo, cnt + 1);
Disk->DataParts[cnt].Magic = EXT2_PART_MAGIC;
Disk->DataParts[cnt].PartType = Disk->Layout->PartitionStyle;
Disk->DataParts[cnt].Disk = Disk;
Disk->DataParts[cnt].Number = cnt + 1;
Disk->DataParts[cnt++].Entry = Part;
}
/* Search the volumes of the partition */
for (i=0; i < cnt; i++) {
PEXT2_VOLUME volume = gVols;
for (j=0; (ULONG)j < g_nVols; j++) {
if (Ext2IsPartitionExtent(Disk->OrderNo,
Disk->DataParts[i].Entry,
volume->Extent )) {
volume->bDynamic = bDynamic;
if (volume->Extent->NumberOfDiskExtents == 1) {
volume->Part = &Disk->DataParts[i];
}
Disk->DataParts[i].Volume = volume;
Disk->DataParts[i].DrvLetters = volume->DrvLetters;
break;
}
volume = volume->Next;
}
}
} else {
Disk->DataParts[cnt].Magic = EXT2_PART_MAGIC;
Disk->DataParts[cnt].Disk = Disk;
Disk->DataParts[cnt].Number = cnt + 1;
Disk->DataParts[cnt].DrvLetters = Ext2EjectedDiskLetters(Disk);
}
return TRUE;
}
VOID
Ext2LoadAllDiskPartitions()
{
for (ULONG i=0; i < g_nDisks; i++) {
Ext2LoadDiskPartitions(&gDisks[i]);
}
}
VOID
Ext2MountingVolumes()
{
PEXT2_VOLUME volume = gVols;
int j;
if (!Ext2IsServiceStarted()) {
return;
}
for (j=0; (ULONG)j < g_nVols; j++) {
if ((volume->EVP.bExt2 || volume->EVP.bExt3) && !volume->bRecognized) {
if (Ext2IsRemovable(volume) || (volume->DrvLetters != 0) || g_bAutoMount) {
if (!Ext2CheckVolumeRegistryProperty(&volume->EVP)) {
Ext2SetDefaultVolumeRegistryProperty(&volume->EVP);
}
Ext2NotifyVolumePoint(volume, 0);
}
}
volume = volume->Next;
}
}
/*
* Must initialize driver letter before loading volumes
*/
BOOL
Ext2LoadVolumes()
{
ULONG rc = TRUE;
TCHAR *nameString = NULL;
ULONG nameLen = REGSTR_VAL_MAX_HCID_LEN;
HMACHINE hMachine = NULL;
DEVNODE dnRoot, dnFirst;
DEVINSTID devIds[] = {
"ROOT\\FTDISK\\0000",
"ROOT\\DMIO\\0000",
NULL,
"ROOT\\VOLMGR\\0000",
NULL
};
int i = 0;
if (IsVistaOrAbove()) {
i = 3;
}
nameString = new TCHAR [nameLen];
if (nameString == NULL) {
goto errorout;
}
while (devIds[i] != NULL) {
rc = CM_Locate_DevNode_Ex(&dnRoot, devIds[i],
CM_LOCATE_DEVNODE_NORMAL , hMachine);
if (rc != CR_SUCCESS) {
break;
}
rc = CM_Get_Child_Ex(&dnFirst, dnRoot, 0, hMachine);
if (rc != CR_SUCCESS) {
goto errorout;
}
while (TRUE) {
PEXT2_VOLUME volume = NULL;
nameLen = REGSTR_VAL_MAX_HCID_LEN;
memset(nameString, 0, nameLen);
rc = CM_Get_DevNode_Registry_Property_Ex(
dnFirst, CM_DRP_PHYSICAL_DEVICE_OBJECT_NAME,
NULL, nameString, &nameLen, 0, hMachine);
if (rc != CR_SUCCESS) {
break;
}
if (Ext2InitializeVolume(nameString, &volume)) {
volume->bDynamic = 0;
/* attach the volume to global list */
if (gVols) {
PEXT2_VOLUME chain = gVols;
while (chain->Next) {
chain = chain->Next;
}
chain->Next = volume;
} else {
gVols = volume;
}
g_nVols++;
}
rc = CM_Get_Sibling_Ex(&dnFirst, dnFirst, 0, hMachine);
if (rc != CR_SUCCESS) {
break;
}
}
i++;
}
errorout:
if (nameString) {
delete []nameString;
}
return TRUE;
}
BOOL
Ext2LoadRemovableVolumes()
{
BOOL rc = FALSE;
HDEVINFO devInfo = INVALID_HANDLE_VALUE;
PSP_DEVICE_INTERFACE_DETAIL_DATA ifDetail = NULL;
SP_DEVICE_INTERFACE_DATA ifData;
PCHAR nameString;
int nInterface = 0;
if (IsVistaOrAbove()) {
return TRUE;
}
nameString = (PCHAR)malloc(REGSTR_VAL_MAX_HCID_LEN);
if (nameString == NULL) {
goto errorout;
}
ifDetail = (PSP_DEVICE_INTERFACE_DETAIL_DATA)malloc(PAGE_SIZE);
if (ifDetail == NULL) {
goto errorout;
}
devInfo = SetupDiGetClassDevs(
&VolumeClassGuid, NULL, NULL,
DIGCF_PRESENT | DIGCF_DEVICEINTERFACE
);
if (devInfo == INVALID_HANDLE_VALUE) {
goto errorout;
}
while (TRUE) {
BOOL bFound = FALSE;
ifData.cbSize = sizeof(SP_DEVICE_INTERFACE_DATA);
bFound = SetupDiEnumDeviceInterfaces(
devInfo,
NULL,
&VolumeClassGuid,
(ULONG)nInterface++,
&ifData);
if (!bFound) {
break;
}
memset(ifDetail, 0, PAGE_SIZE);
ifDetail->cbSize = sizeof(SP_DEVICE_INTERFACE_DETAIL_DATA);
if (SetupDiGetInterfaceDeviceDetail(
devInfo,
&ifData,
ifDetail,
PAGE_SIZE,
NULL,
NULL)) {
PEXT2_VOLUME volume = NULL;
memset(nameString, 0, REGSTR_VAL_MAX_HCID_LEN);
QueryDosDevice(&ifDetail->DevicePath[4], nameString, REGSTR_VAL_MAX_HCID_LEN);
if (Ext2InitializeVolume(nameString, &volume)) {
if (volume->FsdInfo.Characteristics & FILE_REMOVABLE_MEDIA) {
/* attach the volume to global list */
if (gVols) {
PEXT2_VOLUME chain = gVols;
while (chain->Next) {
chain = chain->Next;
}
chain->Next = volume;
} else {
gVols = volume;
}
g_nVols++;
} else {
if (volume->Extent) {
free(volume->Extent);
}
free(volume);
}
}
}
}
rc = TRUE;
errorout:
if (nameString) {
free(nameString);
}
if (ifDetail) {
free(ifDetail);
}
if (devInfo != INVALID_HANDLE_VALUE) {
SetupDiDestroyDeviceInfoList(devInfo);
}
return rc;
}
VOID
Ext2LoadAllVolumeDrvLetters()
{
PEXT2_VOLUME volume = gVols;
BOOL started = Ext2IsServiceStarted();
// Ext2DrvLetters[0] = Ext2DrvLetters[1];
// Ext2DrvLetters[1] = 0;
while (volume) {
volume->DrvLetters = Ext2QueryVolumeDrvLetters(volume);
if ( started && volume->bRecognized &&
(volume->EVP.bExt2 || volume->EVP.bExt3)) {
Ext2DrvLetters[1] |= volume->DrvLetters;
}
volume = volume->Next;
}
}
CString
Ext2QueryVolumeLetterStrings(
ULONGLONG letters,
PEXT2_LETTER * first
)
{
CHAR drvName[] = "C:\0";
CString str;
int i = 0;
BOOL bInserted = FALSE;
ULONGLONG drive = 0;
str.Empty();
for (i=0; i < 10; i++) {
drive = ((ULONGLONG) 1) << (i + 32);
if (letters & drive) {
if (bInserted) {
str += ",";
} else {
str = "(";
if (first) {
*first = &drvDigits[i];
}
}
drvName[0] = '0' + i;
str += drvName;
bInserted = TRUE;
}
}
for (i=0; i < 26; i++) {
drive = ((ULONGLONG) 1) << (i);
if (letters & drive) {
if (bInserted) {
str += ",";
} else {
str = "(";
if (first) {
*first = &drvLetters[i];
}
}
drvName[0] = 'A' + i;
str += drvName;
bInserted = TRUE;
}
}
if (bInserted) {
str += ")";
}
return str;
}
VOID
Ext2RefreshVLVI(
CListCtrl *List,
PEXT2_VOLUME chain,
int nItem
)
{
ULONGLONG totalSize, usedSize;
CString sSize, sUnit, s;
PEXT2_LETTER first = NULL;
CString Letters = Ext2QueryVolumeLetterStrings(
chain->DrvLetters, &first);
List->SetItem( nItem, 1, LVIF_TEXT, (LPCSTR)Letters, 0, 0, 0,0);
if (chain->bDynamic) {
s.LoadString(IDS_DISK_TYPE_DYN);
} else {
s.LoadString(IDS_DISK_TYPE_BASIC);
}
List->SetItem(nItem, 2, LVIF_TEXT, (LPCSTR)s, 0, 0, 0,0);
List->SetItem(nItem, 3, LVIF_TEXT, (LPCSTR)chain->FileSystem, 0, 0, 0,0);
totalSize = chain->FssInfo.TotalAllocationUnits.QuadPart;
usedSize = totalSize - chain->FssInfo.AvailableAllocationUnits.QuadPart;
totalSize = totalSize * chain->FssInfo.BytesPerSector *
chain->FssInfo.SectorsPerAllocationUnit;
usedSize = usedSize * chain->FssInfo.BytesPerSector *
chain->FssInfo.SectorsPerAllocationUnit;
if (totalSize > (ULONGLONG) 10 * 1024 * 1024 * 1024) {
totalSize = totalSize / ((ULONG)1024 * 1024 * 1024);
usedSize = usedSize / ((ULONG)1024 * 1024 * 1024);
sUnit = " GB";
} else if (totalSize > 10 * 1024 * 1024){
totalSize = totalSize / (1024 * 1024);
usedSize = usedSize / (1024 * 1024);
sUnit = " MB";
} else if (totalSize > 10 * 1024){
totalSize = totalSize / (1024);
usedSize = usedSize / (1024);
sUnit = " KB";
} else {
sUnit = " B";
}
sSize.Format("%I64u", totalSize);
sSize += sUnit;
List->SetItem(nItem, 4, LVIF_TEXT, (LPCSTR)sSize, 0, 0, 0,0);
if (chain->bRecognized) {
sSize.Format("%I64u", usedSize);
sSize += sUnit;
}
List->SetItem(nItem, 5, LVIF_TEXT, (LPCSTR)sSize, 0, 0, 0,0);
List->SetItem(nItem, 6, LVIF_TEXT, (LPCSTR)chain->EVP.Codepage, 0, 0, 0,0);
List->SetItem(nItem, 7, LVIF_TEXT, (LPCSTR)chain->Name, 0, 0, 0,0);
/*
List->SetItemState( nItem, LVIS_SELECTED | LVIS_FOCUSED ,
LVIS_SELECTED | LVIS_FOCUSED);
*/
}
VOID
Ext2InsertVolume(
CListCtrl *List,
PEXT2_VOLUME chain
)
{
int nItem = 0, nImage = 0;
nItem = List->GetItemCount();
nImage = 0;
if (chain->FsdInfo.Characteristics & FILE_VIRTUAL_VOLUME) {
nImage = IDI_DYNAMIC - IDI_FLOPPY;
} else if (chain->FsdInfo.Characteristics & FILE_REMOVABLE_MEDIA) {
nImage = IDI_FLOPPY - IDI_FLOPPY;
} else {
nImage = IDI_DISK - IDI_FLOPPY;
}
nItem = List->InsertItem( LVIF_PARAM|LVIF_IMAGE, nItem, NULL,
0, 0, nImage, (LPARAM)chain);
Ext2RefreshVLVI(List, chain, nItem);
}
VOID
Ext2RefreshVLCD(
CListCtrl *List,
PEXT2_CDROM Cdrom,
int nItem
)
{
ULONGLONG totalSize;
CString sSize, sUnit, s;
PEXT2_LETTER first = NULL;
CString Letters = Ext2QueryVolumeLetterStrings(
Cdrom->DrvLetters, &first);
List->SetItem( nItem, 1, LVIF_TEXT, (LPCSTR)Letters, 0, 0, 0,0);
s.LoadString(IDS_DISK_TYPE_BASIC);
List->SetItem(nItem, 2, LVIF_TEXT, (LPCSTR)s, 0, 0, 0,0);
List->SetItem(nItem, 3, LVIF_TEXT, (LPCSTR)"CDFS", 0, 0, 0,0);
totalSize = (ULONGLONG)Cdrom->DiskGeometry.Cylinders.QuadPart;
totalSize = totalSize * Cdrom->DiskGeometry.TracksPerCylinder *
Cdrom->DiskGeometry.SectorsPerTrack *
Cdrom->DiskGeometry.BytesPerSector;
if (totalSize > 1024 * 1024 * 1024) {
totalSize = totalSize / (1024 * 1024 * 1024);
sUnit = " GB";
} else if (totalSize > 1024 * 1024){
totalSize = totalSize / (1024 * 1024);
sUnit = " MB";
} else if (totalSize > 1024){
totalSize = totalSize / (1024);
sUnit = " KB";
} else {
sUnit = " B";
}
sSize.Format("%I64u", totalSize);
sSize += sUnit;
List->SetItem(nItem, 4, LVIF_TEXT, (LPCSTR)sSize, 0, 0, 0,0);
sSize.Format("%I64u", totalSize);
sSize += sUnit;
List->SetItem(nItem, 5, LVIF_TEXT, (LPCSTR)sSize, 0, 0, 0,0);
List->SetItem(nItem, 8, LVIF_TEXT, (LPCSTR)Cdrom->Name, 0, 0, 0,0);
}
VOID
Ext2InsertCdromAsVolume(
CListCtrl *List,
PEXT2_CDROM Cdrom
)
{
int nItem = 0, nImage = 0;
nItem = List->GetItemCount();
nImage = 0;
if (Cdrom->bIsDVD) {
nImage = IDI_DVD - IDI_FLOPPY;
} else {
nImage = IDI_CDROM - IDI_FLOPPY;
}
nItem = List->InsertItem( LVIF_PARAM|LVIF_IMAGE, nItem, NULL,
0, 0, nImage, (LPARAM)Cdrom);
Ext2RefreshVLCD(List, Cdrom, nItem);
}
VOID
Ext2RefreshVolumeList(CListCtrl *List)
{
List->DeleteAllItems();
PEXT2_VOLUME chain = gVols;
/* adding disk volumes */
while (chain) {
Ext2InsertVolume(List, chain);
chain = chain->Next;
}
/* adding cdroms */
ULONG i = 0;
for (i=0; i < g_nCdroms; i++) {
if (!gCdroms[i].bLoaded || gCdroms[i].bEjected) {
continue;
}
Ext2InsertCdromAsVolume(List, &gCdroms[i]);
}
}
VOID
Ext2RefreshDVPT(
CListCtrl* List,
PEXT2_PARTITION Part,
int nItem
)
{
ULONGLONG totalSize, usedSize;
CString sSize, sUnit, s;
PEXT2_LETTER first = NULL;
PEXT2_VOLUME chain = NULL;
CString Letters = Ext2QueryVolumeLetterStrings(
Part->DrvLetters, &first);
List->SetItem( nItem, 0, LVIF_TEXT, (LPCSTR)Letters, 0, 0, 0,0);
if (Part->Entry) {
CString PartType;
if (Part->Entry->PartitionStyle == PARTITION_STYLE_MBR) {
PartType = PartitionString(Part->Entry->Mbr.PartitionType);
} else if (Part->Entry->PartitionStyle == PARTITION_STYLE_GPT) {
PartType = "";
if (Part->Entry->Gpt.Name && wcslen(Part->Entry->Gpt.Name)) {
for (size_t i = 0; i < wcslen(Part->Entry->Gpt.Name); i++)
PartType += (CHAR)Part->Entry->Gpt.Name[i];
} else {
PartType = "GPT";
}
} else {
PartType = "RAW";
}
List->SetItem(nItem, 6, LVIF_TEXT, (LPCSTR)
PartType, 0, 0, 0,0);
}
/* query the volume information of the partition */
chain = Part->Volume;
if (!chain) {
PEXT2_DISK disk = Part->Disk;
CString s;
if (disk->SDD.RemovableMedia) {
s.LoadString(IDS_DISK_TYPE_BASIC);
} else if (disk->bLoaded){
if (disk->Layout) {
if (disk->Layout->PartitionStyle == PARTITION_STYLE_MBR) {
if (disk->Layout->PartitionEntry->Mbr.PartitionType
== PARTITION_LDM) {
s.LoadString(IDS_DISK_TYPE_DYN);
} else {
s.LoadString(IDS_DISK_TYPE_BASIC);
}
} else if (disk->Layout->PartitionStyle == PARTITION_STYLE_GPT) {
s = "GPT";
}
} else {
s = "RAW";
}
} else {
s = "Stopped";
}
List->SetItem(nItem, 1, LVIF_TEXT, (LPCSTR)s, 0, 0, 0,0);
return;
}
if (chain->bDynamic) {
s.LoadString(IDS_DISK_TYPE_DYN);
} else {
s.LoadString(IDS_DISK_TYPE_BASIC);
}
List->SetItem(nItem, 1, LVIF_TEXT, (LPCSTR)s, 0, 0, 0,0);
List->SetItem(nItem, 2, LVIF_TEXT, (LPCSTR)chain->FileSystem, 0, 0, 0,0);
totalSize = chain->FssInfo.TotalAllocationUnits.QuadPart;
usedSize = totalSize - chain->FssInfo.AvailableAllocationUnits.QuadPart;
totalSize = totalSize * chain->FssInfo.BytesPerSector *
chain->FssInfo.SectorsPerAllocationUnit;
usedSize = usedSize * chain->FssInfo.BytesPerSector *
chain->FssInfo.SectorsPerAllocationUnit;
if (totalSize > (ULONGLONG) 10 * 1024 * 1024 * 1024) {
totalSize = totalSize / ((ULONG)1024 * 1024 * 1024);
usedSize = usedSize / ((ULONG)1024 * 1024 * 1024);
sUnit = " GB";
} else if (totalSize > 10 * 1024 * 1024){
totalSize = totalSize / (1024 * 1024);
usedSize = usedSize / (1024 * 1024);
sUnit = " MB";
} else if (totalSize > 10 * 1024){
totalSize = totalSize / (1024);
usedSize = usedSize / (1024);
sUnit = " KB";
} else {
sUnit = " B";
}
sSize.Format("%I64u", totalSize);
sSize += sUnit;
List->SetItem(nItem, 3, LVIF_TEXT, (LPCSTR)sSize, 0, 0, 0,0);
if (chain->bRecognized) {
sSize.Format("%I64u", usedSize);
sSize += sUnit;
}
List->SetItem(nItem, 4, LVIF_TEXT, (LPCSTR)sSize, 0, 0, 0,0);
List->SetItem(nItem, 5, LVIF_TEXT, (LPCSTR)chain->EVP.Codepage, 0, 0, 0,0);
}
VOID
Ext2InsertPartition(
CListCtrl* List,
PEXT2_DISK Disk,
PEXT2_PARTITION Part
)
{
int nItem = 0, nImage = 0;
nItem = List->GetItemCount();
nImage = 0;
if (!Disk) {
nItem = List->InsertItem( LVIF_PARAM|LVIF_IMAGE, nItem, NULL,
0, 0, nImage, (LPARAM)NULL);
return;
}
if (!Part) {
nItem = List->InsertItem( LVIF_PARAM|LVIF_IMAGE, nItem, NULL,
0, 0, nImage, (LPARAM)&Disk->Null);
List->SetItem( nItem, 1, LVIF_TEXT, (LPCSTR)"RAW", 0, 0, 0,0);
return;
}
nItem = List->InsertItem( LVIF_PARAM| LVIF_IMAGE, nItem, NULL,
0, 0, nImage, (LPARAM)Part);
Ext2RefreshDVPT(List, Part, nItem);
}
VOID
Ext2InsertDisk(
CListCtrl *List,
PEXT2_DISK Disk
)
{
UCHAR i;
CHAR devName[64];
int nItem = 0, nImage = 0;
sprintf(devName, "DISK %d", Disk->OrderNo);
nItem = List->GetItemCount();
nItem = List->InsertItem( LVIF_PARAM|LVIF_IMAGE, nItem, NULL,
0, 0, nImage, (LPARAM)Disk);
List->SetItem( nItem, 0, LVIF_TEXT, (LPCSTR)devName, 0, 0, 0,0);
if (Disk->NumParts > 0) {
for (i=0; i < Disk->NumParts; i++) {
Ext2InsertPartition(List, Disk, &Disk->DataParts[i]);
}
} else {
Ext2InsertPartition(List, Disk, NULL);
}
}
VOID
Ext2RefreshDVCM(
CListCtrl *List,
PEXT2_CDROM Cdrom,
int nItem
)
{
ULONGLONG totalSize;
CString sSize, sUnit, s;
PEXT2_LETTER first = NULL;
CString Letters = Ext2QueryVolumeLetterStrings(
Cdrom->DrvLetters, &first);
if (!Cdrom->bLoaded) {
List->SetItem( nItem, 1, LVIF_TEXT, (LPCSTR)"Stopped", 0, 0, 0,0);
return;
}
List->SetItem( nItem, 0, LVIF_TEXT, (LPCSTR)Letters, 0, 0, 0,0);
if (Cdrom->bEjected) {
return;
}
s.LoadString(IDS_DISK_TYPE_BASIC);
List->SetItem(nItem, 1, LVIF_TEXT, (LPCSTR)s, 0, 0, 0,0);
List->SetItem(nItem, 2, LVIF_TEXT, (LPCSTR)"CDFS", 0, 0, 0,0);
totalSize = (ULONGLONG)Cdrom->DiskGeometry.Cylinders.QuadPart;
totalSize = totalSize * Cdrom->DiskGeometry.TracksPerCylinder *
Cdrom->DiskGeometry.SectorsPerTrack *
Cdrom->DiskGeometry.BytesPerSector;
if (totalSize > 1024 * 1024 * 1024) {
totalSize = totalSize / (1024 * 1024 * 1024);
sUnit = " GB";
} else if (totalSize > 1024 * 1024){
totalSize = totalSize / (1024 * 1024);
sUnit = " MB";
} else if (totalSize > 1024){
totalSize = totalSize / (1024);
sUnit = " KB";
} else {
sUnit = " B";
}
sSize.Format("%I64u", totalSize);
sSize += sUnit;
List->SetItem(nItem, 3, LVIF_TEXT, (LPCSTR)sSize, 0, 0, 0,0);
sSize.Format("%I64u", totalSize);
sSize += sUnit;
List->SetItem(nItem, 4, LVIF_TEXT, (LPCSTR)sSize, 0, 0, 0,0);
List->SetItem(nItem, 5, LVIF_TEXT, (LPCSTR)"", 0, 0, 0,0);
List->SetItem(nItem, 6, LVIF_TEXT, (LPCSTR)"", 0, 0, 0,0);
}
VOID
Ext2InsertCdromAsDisk(
CListCtrl *List,
PEXT2_CDROM Cdrom
)
{
CHAR devName[64];
int nItem = 0, nImage = 0;
sprintf(devName, "CDROM %d", Cdrom->OrderNo);
nItem = List->GetItemCount();
nItem = List->InsertItem( LVIF_PARAM|LVIF_IMAGE, nItem, NULL,
0, 0, nImage, (LPARAM)Cdrom);
List->SetItem( nItem, 0, LVIF_TEXT, (LPCSTR)devName, 0, 0, 0,0);
nItem = List->GetItemCount();
nImage = 0;
if (Cdrom->bIsDVD) {
nImage = IDI_DVD - IDI_FLOPPY;
} else {
nImage = IDI_CDROM - IDI_FLOPPY;
}
nItem = List->InsertItem( LVIF_PARAM|LVIF_IMAGE, nItem, NULL,
0, 0, nImage, (LPARAM)(&Cdrom->Magic[1]));
Ext2RefreshDVCM(List, Cdrom, nItem);
}
VOID
Ext2RefreshDiskList(CListCtrl *List)
{
List->DeleteAllItems();
ULONG i = 0;
/* adding disks */
for (i=0; i < g_nDisks; i++) {
Ext2InsertDisk(List, &gDisks[i]);
Ext2InsertPartition(List, NULL, NULL);
}
/* adding cdroms */
for (i=0; i < g_nCdroms; i++) {
Ext2InsertCdromAsDisk(List, &gCdroms[i]);
Ext2InsertPartition(List, NULL, NULL);
}
}
VOID
Ext2CleanupVolumes()
{
PEXT2_VOLUME chain = gVols, next = NULL;
while (chain) {
next = chain->Next;
if (chain->Extent) {
free(chain->Extent);
}
free(chain);
g_nVols--;
chain = next;
}
ASSERT(g_nVols == 0);
g_nVols = 0; gVols = NULL;
}
VOID
Ext2LoadDrvLetter(PEXT2_LETTER drvLetter, CHAR cLetter)
{
if (drvLetter->bUsed) {
return;
}
if (cLetter >= 'a' && cLetter <= 'z') {
cLetter -= 0x20;
}
memset(drvLetter, 0, sizeof(EXT2_LETTER));
drvLetter->Letter = cLetter;
Ext2QueryDrvLetter(drvLetter);
}
VOID
Ext2LoadDrvLetters()
{
int i;
for (i=0; i < 36; i++) {
PEXT2_LETTER drvLetter = NULL;
CHAR cLetter = 0;
if (i < 10) {
drvLetter = &drvDigits[i];
cLetter = '0' + i;
} else {
drvLetter = &drvLetters[i-10];
cLetter = 'A' + (i - 10);
}
Ext2LoadDrvLetter(drvLetter, cLetter);
}
}
VOID
Ext2CleanDrvLetter(PEXT2_LETTER drvLetter)
{
if (drvLetter->Extent) {
free(drvLetter->Extent);
drvLetter->Extent = NULL;
}
if (drvLetter->SDN) {
free(drvLetter->SDN);
drvLetter->SDN = NULL;
}
drvLetter->bUsed = FALSE;
drvLetter->bTemporary = FALSE;
drvLetter->DrvType = DRIVE_NO_ROOT_DIR;
memset(drvLetter->SymLink, 0, MAX_PATH);
}
VOID
Ext2CleanupDrvLetters()
{
int i = 0;
for (i=0; i < 10; i++) {
Ext2CleanDrvLetter(&drvDigits[i]);
}
for (i=0; i < 26; i++) {
Ext2CleanDrvLetter(&drvLetters[i]);
}
}
VOID
Ext2DrvNotify(UCHAR drive, int mount)
{
DEV_BROADCAST_VOLUME dbv;
DWORD target = BSM_APPLICATIONS;
unsigned long drv = 0;
if (drive >= 'A' && drive <= 'Z')
drv = drive - 'A';
else if(drive >= 'a' && drive <= 'z')
drv = drive - 'a';
else
return;
dbv.dbcv_size = sizeof( dbv );
dbv.dbcv_devicetype = DBT_DEVTYP_VOLUME;
dbv.dbcv_reserved = 0;
dbv.dbcv_unitmask = (1 << drv);
dbv.dbcv_flags = DBTF_NET;
BroadcastSystemMessage(BSF_IGNORECURRENTTASK | BSF_FORCEIFHUNG |
BSF_NOHANG | BSF_NOTIMEOUTIFNOTHUNG,
&target, WM_DEVICECHANGE, mount ?
DBT_DEVICEARRIVAL : DBT_DEVICEREMOVECOMPLETE,
(LPARAM)(DEV_BROADCAST_HDR *)&dbv );
}
BOOL
Ext2RemoveDrvLetter(
PEXT2_LETTER drvLetter
)
{
CHAR drvPath[] = "A:\\\0";
CHAR dosPath[] = "A:\0";
BOOL rc = FALSE;
if (!drvLetter->bUsed) {
return TRUE;
}
dosPath[0] = drvPath[0] = drvLetter->Letter;
rc = Ext2DefineDosDevice (
DDD_RAW_TARGET_PATH|
DDD_REMOVE_DEFINITION|
DDD_EXACT_MATCH_ON_REMOVE,
dosPath, drvLetter->SymLink);
DeleteVolumeMountPoint(drvPath);
if (!rc) {
return FALSE;
}
return TRUE;
}
CHAR
Ext2QueryRegistryMountPoint (
CHAR * devName
)
{
DWORD i = 0;
LONG status;
HKEY hKey;
DWORD drvSize;
DWORD dosSize;
DWORD valType;
CHAR keyPath[MAX_PATH];
CHAR drvPath[MAX_PATH];
CHAR dosPath[64];
/* set dos deivce path */
strcpy (keyPath, "SYSTEM\\CurrentControlSet\\Control\\Session Manager\\DOS Devices");
/* open session manager\dos devices */
status = ::RegOpenKeyEx(HKEY_LOCAL_MACHINE,
keyPath,
0,
KEY_ALL_ACCESS,
&hKey) ;
if (status != ERROR_SUCCESS) {
return FALSE;
}
/* enum all values and compare devName ... */
while (status != ERROR_NO_MORE_ITEMS && i < 1024) {
valType = REG_SZ;
dosSize = 64;
drvSize = MAX_PATH;
status = RegEnumValue(hKey,
i++,
&dosPath[0],
&dosSize,
NULL,
&valType,
(LPBYTE)&drvPath[0],
&drvSize);
if (status == ERROR_SUCCESS) {
if (_stricmp(devName, drvPath) == 0) {
RegCloseKey(hKey);
return dosPath[0];
}
}
}
RegCloseKey(hKey);
return 0;
}
BOOL
Ext2SetRegistryMountPoint (
CHAR * dosPath,
CHAR * devName,
BOOL bSet
)
{
LONG status;
HKEY hKey;
CHAR keyPath[MAX_PATH];
CHAR drvPath[MAX_PATH];
/* set dos driver name */
sprintf(drvPath, "%c:", dosPath[0]);
/* set dos deivce path */
strcpy (keyPath, "SYSTEM\\CurrentControlSet\\Control\\Session Manager\\DOS Devices");
/* open session manager\dos devices */
status = ::RegOpenKeyEx(HKEY_LOCAL_MACHINE,
keyPath,
0,
KEY_ALL_ACCESS,
&hKey) ;
if (status != ERROR_SUCCESS) {
return FALSE;
}
if (bSet) {
/* set value */
status = RegSetValueEx(
hKey, drvPath,
0, REG_SZ,
(BYTE *)devName,
strlen(devName)
);
} else {
/* delete key */
status = RegDeleteValue(
hKey, drvPath
);
}
RegCloseKey(hKey);
if (status != ERROR_SUCCESS) {
return FALSE;
}
return TRUE;
}
VOID
Ext2UpdateDrvLetter(
PEXT2_LETTER drvLetter,
PCHAR devPath
)
{
CHAR dosPath[] = "A:\0";
BOOL rc = 0;
if (drvLetter->bUsed) {
return;
}
dosPath[0] = drvLetter->Letter;
rc = Ext2DefineDosDevice(DDD_RAW_TARGET_PATH,
dosPath, devPath);
if (rc) {
Ext2DefineDosDevice (
DDD_RAW_TARGET_PATH|
DDD_REMOVE_DEFINITION|
DDD_EXACT_MATCH_ON_REMOVE,
dosPath, devPath);
}
}
BOOL
Ext2AssignDrvLetter(
PEXT2_LETTER drvLetter,
PCHAR devPath,
BOOL bMountMgr
)
{
CHAR dosPath[] = "A:\0";
CHAR drvPath[] = "A:\\\0";
CHAR volumeName[MAX_PATH];
BOOL rc = 0;
if (drvLetter->bUsed) {
return FALSE;
}
memset(volumeName, 0, MAX_PATH);
dosPath[0] = drvPath[0] = drvLetter->Letter;
rc = Ext2DefineDosDevice(DDD_RAW_TARGET_PATH,
dosPath, devPath);
if (rc) {
/* Now it's done, since user only
needs a temporary mount point */
if (!bMountMgr) {
goto DrvMounted;
}
rc = GetVolumeNameForVolumeMountPoint (
drvPath, volumeName, MAX_PATH);
Ext2DefineDosDevice (
DDD_RAW_TARGET_PATH|
DDD_REMOVE_DEFINITION|
DDD_EXACT_MATCH_ON_REMOVE,
dosPath, devPath);
if (rc) {
rc = SetVolumeMountPoint(drvPath, volumeName);
}
}
if (!rc) {
return FALSE;
}
DrvMounted:
drvLetter->bTemporary = !bMountMgr;
Ext2QueryDrvLetter(drvLetter);
return TRUE;
}
/*
* Mount Manager Support Routines
*/
VOID
Ext2AnsiToUnicode(
CHAR * AnsiName,
WCHAR* UniName,
USHORT UniLength
)
{
USHORT NameLength = 0;
NT::ANSI_STRING AnsiFilespec;
NT::UNICODE_STRING UnicodeFilespec;
memset(UniName, 0, sizeof(WCHAR) * UniLength);
NameLength = strlen(AnsiName);
ASSERT(NameLength < UniLength);
AnsiFilespec.MaximumLength = AnsiFilespec.Length = NameLength;
AnsiFilespec.Buffer = AnsiName;
UnicodeFilespec.MaximumLength = UniLength * 2;
UnicodeFilespec.Length = 0;
UnicodeFilespec.Buffer = (PWSTR)UniName;
NT::RtlAnsiStringToUnicodeString(&UnicodeFilespec, &AnsiFilespec, FALSE);
}
BOOL
Ext2VolumeArrivalNotify(PCHAR VolumePath)
{
HANDLE hMountMgr = NULL;
NT::IO_STATUS_BLOCK iosb;
NT::NTSTATUS status;
DWORD rc = 0;
WCHAR volPath[MAX_PATH + 2];
PMOUNTMGR_TARGET_NAME target;
target = (PMOUNTMGR_TARGET_NAME) volPath;
Ext2AnsiToUnicode(VolumePath, &target->DeviceName[0], MAX_PATH);
target->DeviceNameLength = (USHORT)wcslen(target->DeviceName) * 2;
status = Ext2Open("\\Device\\MountPointManager", &hMountMgr, EXT2_DESIRED_ACCESS);
if (!NT_SUCCESS(status)) {
goto errorout;
}
status = NT::ZwDeviceIoControlFile(
hMountMgr, NULL, NULL, NULL, &iosb,
IOCTL_MOUNTMGR_VOLUME_ARRIVAL_NOTIFICATION,
(PVOID)target, sizeof(USHORT) +
target->DeviceNameLength, NULL, 0
);
if (!NT_SUCCESS(status)) {
goto errorout;
}
errorout:
Ext2Close(&hMountMgr);
return NT_SUCCESS(status);
}
BOOL
Ext2SymLinkRemoval(CHAR drvLetter)
{
HANDLE hMountMgr = NULL;
NT::IO_STATUS_BLOCK iosb;
NT::NTSTATUS status;
DWORD rc = 0;
WCHAR buffer[MAX_PATH], *dosName;
PMOUNTMGR_MOUNT_POINT pmp = NULL;
PMOUNTMGR_MOUNT_POINTS pms = NULL;
memset(buffer, 0, sizeof(WCHAR) * MAX_PATH);
pmp = (PMOUNTMGR_MOUNT_POINT) buffer;
pmp->SymbolicLinkNameOffset = sizeof(MOUNTMGR_MOUNT_POINT);
pmp->SymbolicLinkNameLength = 14 * sizeof(WCHAR);
dosName = (WCHAR *) (pmp + 1);
swprintf_s(dosName, MAX_PATH - sizeof(MOUNTMGR_MOUNT_POINT),
L"\\DosDevices\\%c:\0", drvLetter);
status = Ext2Open("\\Device\\MountPointManager", &hMountMgr, EXT2_DESIRED_ACCESS);
if (!NT_SUCCESS(status)) {
goto errorout;
}
status = NT::ZwDeviceIoControlFile(
hMountMgr, NULL, NULL, NULL, &iosb,
IOCTL_MOUNTMGR_DELETE_POINTS,
(PVOID)pmp, sizeof(WCHAR) * MAX_PATH,
(PVOID)pmp, sizeof(WCHAR) * MAX_PATH
);
if (!NT_SUCCESS(status)) {
goto errorout;
}
errorout:
Ext2Close(&hMountMgr);
return NT_SUCCESS(status);
}
BOOL
Ext2SetVolumeMountPoint (
CHAR * dosPath,
CHAR * devName
)
{
HANDLE hMountMgr;
NT::IO_STATUS_BLOCK iosb;
NT::NTSTATUS status;
DWORD rc = 0;
CHAR dosDevice[MAX_PATH];
WCHAR volPath[MAX_PATH];
WCHAR devPath[MAX_PATH];
PMOUNTMGR_CREATE_POINT_INPUT mcpi = NULL;
USHORT lmcpi = 0, lvolp = 0, ldevp = 0;
memset(dosDevice, 0, MAX_PATH);
memset(volPath, 0, MAX_PATH * sizeof(WCHAR));
memset(devPath, 0, MAX_PATH * sizeof(WCHAR));
/* covert names to unicode */
sprintf(dosDevice, "\\DosDevices\\%c:", toupper(dosPath[0]));
Ext2AnsiToUnicode(dosDevice, volPath, MAX_PATH);
Ext2AnsiToUnicode(devName, devPath, MAX_PATH);
ldevp = (USHORT)wcslen(devPath) * 2;
lvolp = (USHORT)wcslen(volPath) * 2;
lmcpi = sizeof(MOUNTMGR_CREATE_POINT_INPUT) + lvolp + ldevp;
/* initialize MMGR_CREATE_MOUNT_POINT_INPUT */
mcpi = (PMOUNTMGR_CREATE_POINT_INPUT) malloc(lmcpi);
if (mcpi == NULL) {
status = STATUS_UNSUCCESSFUL;
goto errorout;
}
mcpi->SymbolicLinkNameOffset = sizeof(MOUNTMGR_CREATE_POINT_INPUT);
mcpi->SymbolicLinkNameLength = lvolp;
mcpi->DeviceNameOffset = mcpi->SymbolicLinkNameOffset + lvolp;
mcpi->DeviceNameLength = ldevp;
memcpy((PCHAR)mcpi + mcpi->SymbolicLinkNameOffset,
volPath, lvolp);
memcpy((PCHAR)mcpi + mcpi->DeviceNameOffset,
devPath, ldevp);
/* open MountMgr */
status = Ext2Open("\\Device\\MountPointManager", &hMountMgr, EXT2_DESIRED_ACCESS);
if (!NT_SUCCESS(status)) {
goto errorout;
}
/* ioctl .... */
status = NT::ZwDeviceIoControlFile(
hMountMgr, NULL, NULL, NULL, &iosb,
IOCTL_MOUNTMGR_CREATE_POINT,
(PVOID)mcpi, lmcpi, NULL, 0
);
if (!NT_SUCCESS(status)) {
goto errorout;
}
Ext2Close(&hMountMgr);
errorout:
if (mcpi) {
free(mcpi);
}
return NT_SUCCESS(status);
}
UCHAR
Ext2QueryMountPoint(
CHAR * volume
)
{
NT::IO_STATUS_BLOCK iosb;
NT::NTSTATUS status;
ULONG lp, lps;
ULONG i;
HANDLE hMountMgr = 0;
NT::UNICODE_STRING volPoint;
NT::UNICODE_STRING VolumeName;
WCHAR VolumeBuffer[MAX_PATH];
PMOUNTMGR_MOUNT_POINT point = NULL;
PMOUNTMGR_MOUNT_POINTS points = NULL;
UCHAR drvLetter = 0;
memset(VolumeBuffer, 0, MAX_PATH * sizeof(WCHAR));
Ext2AnsiToUnicode(volume, VolumeBuffer, MAX_PATH);
VolumeName.MaximumLength = MAX_PATH;
VolumeName.Length = (USHORT)wcslen(VolumeBuffer) * 2;
VolumeName.Buffer = VolumeBuffer;
status = Ext2Open("\\Device\\MountPointManager", &hMountMgr, EXT2_DESIRED_ACCESS);
if (!NT_SUCCESS(status)) {
goto errorout;
}
lp = VolumeName.Length + sizeof(MOUNTMGR_MOUNT_POINT) + 2;
point = (PMOUNTMGR_MOUNT_POINT)malloc(lp);
if (point == NULL) {
goto errorout;
}
/* initialize MountMgr ioctl input structure */
memset(point, 0, lp);
point->DeviceNameOffset = sizeof(MOUNTMGR_MOUNT_POINT);
point->DeviceNameLength = VolumeName.Length;
RtlMoveMemory((PCHAR) point + point->DeviceNameOffset,
VolumeBuffer, VolumeName.Length);
lps = 1024;
Again:
/* allocate ioctl output structure */
points = (PMOUNTMGR_MOUNT_POINTS)malloc(lps);
if (!points) {
goto errorout;
}
RtlZeroMemory(points, lps);
/* could MoungMgr to create volume points for us ? */
status = NT::ZwDeviceIoControlFile(
hMountMgr, NULL, NULL, NULL, &iosb,
IOCTL_MOUNTMGR_QUERY_POINTS,
point, lp, points, lps
);
if (status == STATUS_BUFFER_OVERFLOW) {
lps = (ULONG)iosb.Information + 2;
free(points);
points = NULL;
goto Again;
}
for (i = 0; i < points->NumberOfMountPoints; i++) {
volPoint.Length = volPoint.MaximumLength =
points->MountPoints[i].SymbolicLinkNameLength;
volPoint.Buffer = (PWSTR) ((PCHAR) points +
points->MountPoints[i].SymbolicLinkNameOffset);
#if 0
if (MOUNTMGR_IS_VOLUME_NAME(&volPoint)) {
if (length) {
if (*length >= volPoint.Length + 2) {
*length = volPoint.Length + 2;
memcpy(vp, volPoint.Buffer, volPoint.Length);
vp[1] = (WCHAR)'\\';
vp[volPoint.Length / 2] = (WCHAR)'\\';
vp[*length / 2] = 0;
} else {
*length = 0;
}
}
}
#endif
if (MOUNTMGR_IS_DRIVE_LETTER(&volPoint)) {
drvLetter = (UCHAR)(volPoint.Buffer[12]);
break;
}
}
errorout:
if (points) {
free(points);
}
if (point) {
free(point);
}
if (hMountMgr) {
Ext2Close(&hMountMgr);
}
return drvLetter;
}
PEXT2_LETTER
Ext2GetDrvLetterPoint(CHAR drvChar)
{
PEXT2_LETTER drvLetter = NULL;
if (drvChar >= '0' && drvChar <= '9') {
drvLetter = &drvDigits[drvChar - '0'];
} else if (drvChar >= 'A' && drvChar <= 'Z') {
drvLetter = &drvLetters[drvChar - 'A'];
} else {
drvLetter = NULL;
}
return drvLetter;
}
BOOL
Ext2InsertMountPoint(
CHAR * volume,
UCHAR drvChar,
BOOL bGlobal
)
{
CHAR volumeName[MAX_PATH];
CHAR dosPath[] = "A:\0";
CHAR drvPath[] = "A:\\\0";
BOOL rc = FALSE;
dosPath[0] = drvPath[0] = drvChar & 0x7F;
rc = Ext2DefineDosDevice(DDD_RAW_TARGET_PATH,
dosPath, volume);
if (rc && bGlobal) {
rc = GetVolumeNameForVolumeMountPoint (
drvPath, volumeName, MAX_PATH);
Ext2DefineDosDevice (
DDD_RAW_TARGET_PATH|
DDD_REMOVE_DEFINITION,
dosPath, volume);
if (rc) {
rc = SetVolumeMountPoint(drvPath, volumeName);
}
}
return rc;
}
VOID
Ext2RemoveMountPoint(
PEXT2_LETTER drvLetter,
BOOL bPermanent
)
{
CHAR drvPath[] = "A:\\\0";
CHAR dosPath[] = "A:\0";
dosPath[0] = drvPath[0] = drvLetter->Letter;
Ext2DefineDosDevice (
DDD_RAW_TARGET_PATH|
DDD_REMOVE_DEFINITION|
DDD_EXACT_MATCH_ON_REMOVE,
dosPath, drvLetter->SymLink);
if (bPermanent) {
DeleteVolumeMountPoint(drvPath);
}
Ext2CleanDrvLetter(drvLetter);
Ext2QueryDrvLetter(drvLetter);
}
BOOL
Ext2RefreshVolumePoint(
CHAR * volume,
UCHAR drvChar
)
{
PEXT2_LETTER drvLetter = NULL;
BOOL rc = TRUE;
CHAR cLetter = 0;
cLetter = Ext2QueryMountPoint(volume);
if (cLetter) {
goto errorout;
} else {
rc = FALSE;
}
if (drvChar & 0x7F) {
if (Ext2InsertMountPoint(volume, drvChar & 0x7F, TRUE)) {
return TRUE;
}
}
if (!rc) {
Ext2VolumeArrivalNotify(volume);
}
cLetter = Ext2QueryMountPoint(volume);
if (!cLetter && (cLetter != (drvChar & 0x7F))) {
Ext2InsertMountPoint(volume, drvChar & 0x7F, TRUE);
}
cLetter = Ext2QueryMountPoint(volume);
if (cLetter) {
Ext2InsertMountPoint(volume, cLetter, FALSE);
}
rc = (cLetter > 0) ? TRUE: FALSE;
errorout:
return rc;
}
BOOL Ext2IsDrvLetterAvailable(CHAR drive)
{
CHAR symLink[MAX_PATH] = {0};
UINT drvType;
drvType = Ext2QueryDrive(drive, symLink);
if (drvType == DRIVE_NO_ROOT_DIR) {
return TRUE;
}
return FALSE;
}
CHAR Ext2GetFirstAvailableDrvLetter()
{
int i;
for (i = 2; i < 24; i++) {
if (Ext2IsDrvLetterAvailable('A' + i))
return ('A' + i);
}
return 0;
}
BOOL
Ext2NotifyVolumePoint(
PEXT2_VOLUME volume,
UCHAR drvChar
)
{
PEXT2_LETTER letter;
UCHAR mounted = 0;
BOOL rc = FALSE;
PCHAR Name = NULL;
drvChar = (UCHAR)toupper(drvChar);
letter = &drvLetters[drvChar - 'A'];
if (volume->Part) {
Name = &volume->Part->Name[0];
} else {
Name = &volume->Name[0];
}
/* do drive update */
if (Ext2IsDrvLetterAvailable(drvChar))
Ext2UpdateDrvLetter(letter, Name);
rc = Ext2VolumeArrivalNotify(Name);
Sleep(500);
mounted = Ext2QueryMountPoint(Name);
if (mounted) {
rc = TRUE;
goto errorout;
}
if (!Ext2IsDrvLetterAvailable(drvChar)) {
drvChar = Ext2GetFirstAvailableDrvLetter();
if ((drvChar|0x20) >= 'a' && (drvChar | 0x20) <= 'z') {
letter = &drvLetters[drvChar - 'A'];
} else {
letter = NULL;
}
}
if (letter) {
rc = Ext2AssignDrvLetter(letter, Name, FALSE);
}
errorout:
return rc;
}
#define EXT2_MANAGER_NAME "Ext2 Volume Manager"
BOOL Ext2RunMgrForCurrentUserXP()
{
HKEY key ;
CHAR keyPath[MAX_PATH] ;
LONG status ;
DWORD type, len = MAX_PATH;
BOOL rc = FALSE;
CHAR appPath[MAX_PATH] ;
GetModuleFileName(NULL, appPath, MAX_PATH - 6);
strcat(appPath, " -quiet");
strcpy (keyPath, "SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Run") ;
status = RegOpenKeyEx (HKEY_LOCAL_MACHINE,
keyPath,
0,
KEY_ALL_ACCESS,
&key) ;
if (status != ERROR_SUCCESS) {
return FALSE;
}
status = RegQueryValueEx( key, EXT2_MANAGER_NAME, 0, &type,
(BYTE *)appPath, &len);
if (status != ERROR_SUCCESS) {
goto errorout;
}
rc = TRUE;
errorout:
RegCloseKey (key) ;
return rc;
}
BOOL
Ext2SetAppAutorunXP(BOOL bInstall)
{
BOOL rc = FALSE;
HKEY key ;
CHAR keyPath[MAX_PATH] ;
LONG status ;
CHAR appPath[MAX_PATH] ;
GetModuleFileName(NULL, appPath, MAX_PATH - 6);
strcat(appPath, " -quiet");
strcpy (keyPath, "SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Run") ;
status = RegOpenKeyEx (HKEY_LOCAL_MACHINE,
keyPath,
0,
KEY_ALL_ACCESS,
&key) ;
if (status != ERROR_SUCCESS) {
return FALSE;
}
if (!bInstall) {
status = RegDeleteValue (key, EXT2_MANAGER_NAME) ;
if (status != ERROR_SUCCESS) {
goto errorout;
}
} else {
status = RegSetValueEx( key, EXT2_MANAGER_NAME, 0, REG_SZ,
(BYTE *)appPath, strlen(appPath));
if (status != ERROR_SUCCESS) {
goto errorout;
}
}
rc = TRUE;
errorout:
RegCloseKey (key) ;
return rc;
}
CHAR *Ext2QueryAutoUserList()
{
int rc = TRUE;
HKEY hKey;
CHAR keyPath[MAX_PATH];
CHAR *userList = NULL;
LONG status, type, len;
/* Open ext2fsd sevice key */
strcpy (keyPath, "SYSTEM\\CurrentControlSet\\Services\\Ext2Fsd\\Parameters") ;
status = ::RegOpenKeyEx (HKEY_LOCAL_MACHINE,
keyPath,
0,
KEY_ALL_ACCESS | KEY_WOW64_64KEY,
&hKey) ;
if (status != ERROR_SUCCESS) {
rc = FALSE;
goto errorout;
}
/* query autorun user list */
len = PAGE_SIZE - 1;
userList = new CHAR[len + 1];
if (!userList)
goto errorout;
memset(userList, 0, len + 1);
status = RegQueryValueEx( hKey,
"AutorunUsers",
0,
(LPDWORD)&type,
(BYTE *)userList,
(LPDWORD)&len);
errorout:
RegCloseKey(hKey);
return userList;
}
BOOL Ext2SetAutoRunUserList(CHAR *userList)
{
HKEY key;
CHAR keyPath[MAX_PATH] ;
LONG status;
strcpy (keyPath, "SYSTEM\\CurrentControlSet\\Services\\Ext2Fsd\\Parameters") ;
status = ::RegOpenKeyEx (HKEY_LOCAL_MACHINE,
keyPath,
0,
KEY_ALL_ACCESS | KEY_WOW64_64KEY,
&key) ;
if (status != ERROR_SUCCESS) {
goto errorout;
}
status = RegSetValueEx( key, "AutorunUsers", 0, REG_SZ,
(BYTE *)userList, strlen(userList));
if (status != ERROR_SUCCESS) {
goto errorout;
}
errorout:
RegCloseKey(key) ;
return (status == ERROR_SUCCESS);
}
TCHAR *
Ext2StrStr(TCHAR *s, TCHAR *t)
{
int ls = _tcslen(s), lt = _tcslen(t), i;
for (i = 0; i + lt <= ls; i++) {
if (0 == _tcsnicmp(&s[i], t, lt))
return &s[i];
}
return NULL;
}
BOOL Ext2RunMgrForCurrentUserVista()
{
CHAR *userList = NULL, *user, e;
CHAR userName[256] = {0};
DWORD userLen = 255;
BOOL rc = FALSE;
if (!GetUserName(userName, &userLen))
return FALSE;
userList = Ext2QueryAutoUserList();
if (!userList)
return FALSE;
user = userList;
while (user = Ext2StrStr(user, userName)) {
if (user > userList) {
e = user[-1];
if (e != ',' && e != ';') {
user = user + strlen(userName);
continue;
}
}
e = user[strlen(userName)];
if (!e || e == ',' || e == ';') {
rc = TRUE;
goto errorout;
}
user = user + strlen(userName);
}
errorout:
if (userList)
delete [] userList;
return rc;
}
BOOL
Ext2SetAppAutorunVista(BOOL bAutorun)
{
CHAR *userList = NULL, *user, *e;
CHAR userName[256] = {0};
DWORD userLen = 255;
BOOL changed = FALSE;
if (!GetUserName(userName, &userLen))
return FALSE;
userList = Ext2QueryAutoUserList();
if (!userList)
return FALSE;
if (bAutorun) {
user = userList;
while (user = Ext2StrStr(user, userName)) {
if (user > userList) {
e = user-1;
if (*e != ',' && *e != ';') {
user = user + strlen(userName);
continue;
}
}
e = &user[strlen(userName)];
if (!*e || *e == ',' || *e == ';') {
goto errorout;
}
user = user + strlen(userName);
}
e = &userList[strlen(userList) - 1];
if (e > userList && *e != ',' && *e != ';') {
strcat_s(userList, PAGE_SIZE - 1, ";");
}
strcat_s(userList, PAGE_SIZE - 1, userName);
strcat_s(userList, PAGE_SIZE - 1, ";");
changed = TRUE;
} else {
user = userList;
while (user = Ext2StrStr(user, userName)) {
if (user > userList) {
e = user - 1;
if (*e != ',' && *e != ';') {
user = user + strlen(userName);
continue;
}
}
e = &user[strlen(userName)];
if (!*e) {
memset(user, 0, strlen(userName) + 1);
changed = TRUE;
} else if (*e == ',' || *e == ';') {
memmove(user, e + 1, strlen(e));
changed = TRUE;
} else {
user = user + strlen(userName);
}
}
}
if (changed)
changed = Ext2SetAutoRunUserList(userList);
else
changed = TRUE;
errorout:
if (userList)
delete []userList;
return TRUE;
}
BOOL
Ext2SetAppAutorun(BOOL bAutorun)
{
if (IsWindowsVistaOrGreater())
return Ext2SetAppAutorunVista(bAutorun);
return Ext2SetAppAutorunXP(bAutorun);
}
BOOL Ext2RunMgrForCurrentUser()
{
if (IsWindowsVistaOrGreater())
return Ext2RunMgrForCurrentUserVista();
return Ext2RunMgrForCurrentUserXP();
}
#define SERVICE_CMD_LENGTH (MAX_PATH * 2)
int
Ext2SetManagerAsService(BOOL bInstall)
{
SC_HANDLE hService;
SC_HANDLE hManager;
CHAR Target[SERVICE_CMD_LENGTH];
// get the filename of this executable
if (GetModuleFileName(NULL, Target, SERVICE_CMD_LENGTH - 20) == 0) {
AfxMessageBox("Unable to install Ext2Mgr as service",
MB_ICONEXCLAMATION | MB_OK);
return FALSE;
}
// append parameters to the end of the path:
strcat(Target, " -service -hide");
// open Service Control Manager
hManager = OpenSCManager(NULL, NULL, SC_MANAGER_ALL_ACCESS);
if (hManager == NULL) {
AfxMessageBox("Ext2Mgr: cannot open Service Control Manager",
MB_ICONEXCLAMATION | MB_OK);
return FALSE;
}
if (bInstall) {
// now create service entry for Ext2Mgr
hService = CreateService(
hManager, // SCManager database
"Ext2Mgr", // name of service
"Ext2 Volume Manger", // name to display
SERVICE_ALL_ACCESS, // desired access
SERVICE_WIN32_OWN_PROCESS | SERVICE_INTERACTIVE_PROCESS,
// service type
SERVICE_AUTO_START, // start type
SERVICE_ERROR_NORMAL, // error control type
Target, // service's binary
NULL, // no load ordering group
NULL, // no tag identifier
NULL, // dependencies
NULL, // LocalSystem account
NULL); // no password
if (hService == NULL) {
DWORD error = GetLastError();
if (error == ERROR_SERVICE_EXISTS) {
AfxMessageBox("Ext2Mgr service is already registered.",
MB_ICONEXCLAMATION | MB_OK);
} else {
AfxMessageBox("Ext2Mgr service couldn't be registered.",
MB_ICONEXCLAMATION | MB_OK);
}
} else {
CloseServiceHandle(hService);
// got Ext2Mgr installed as a service
AfxMessageBox(
"Ext2Mgr service was successfully registered. \n\n"
"You can modify the default settings and start/stop it from Control Panel.\n"
"The service will automatically run the next time when system is restarted.\n",
MB_ICONINFORMATION | MB_OK);
}
Ext2SetAppAutorun(FALSE);
} else {
/* open the service of Ext2Mgr */
hService = OpenService(
hManager,
"Ext2Mgr",
SERVICE_ALL_ACCESS
);
if (hService != NULL) {
#if 0
SERVICE_STATUS status;
// stop the service
if (ControlService(hService, SERVICE_CONTROL_STOP, &status)) {
while(QueryServiceStatus(hService, &status)) {
if (status.dwCurrentState == SERVICE_STOP_PENDING) {
Sleep(1000);
} else {
break;
}
}
if (status.dwCurrentState != SERVICE_STOPPED) {
AfxMessageBox("Could not stop Ext2Mgr service !",
MB_ICONEXCLAMATION | MB_OK);
}
}
#endif
// remove the service from the SCM
if (DeleteService(hService)) {
AfxMessageBox("The Ext2Mgr service has been unregistered.",
MB_ICONINFORMATION | MB_OK);
} else {
DWORD error = GetLastError();
if (error == ERROR_SERVICE_MARKED_FOR_DELETE) {
AfxMessageBox("Ext2Mgr service is already unregistered",
MB_ICONEXCLAMATION | MB_OK);
} else {
AfxMessageBox("Ext2Mgr service could not be unregistered",
MB_ICONEXCLAMATION | MB_OK);
}
}
CloseServiceHandle(hService);
}
}
CloseServiceHandle(hManager);
return TRUE;
}
BOOL g_bAutoRemoveDeadLetters = TRUE;
VOID
Ext2AddLetterMask(ULONGLONG LetterMask)
{
Ext2DrvLetters[1] |= LetterMask;
}
VOID
Ext2AutoRemoveDeadLetters()
{
ULONGLONG LetterMask = Ext2DrvLetters[0];
DWORD i, j;
PEXT2_DISK disk;
PEXT2_PARTITION part;
PEXT2_CDROM cdrom;
if (LetterMask != -1) {
AfxMessageBox("Different Mask");
}
for (i = 0; i < g_nDisks; i++) {
disk = &gDisks[i];
if (disk->DataParts == NULL) {
continue;
}
for (j=0; j < disk->NumParts; j++) {
part = &disk->DataParts[j];
if (part) {
LetterMask &= ~(part->DrvLetters);
}
}
}
for (i = 0; i < g_nCdroms; i++) {
cdrom = &gCdroms[i];
LetterMask &= ~(cdrom->DrvLetters);
}
for (i=0; i < 10; i++) {
if (drvDigits[i].bUsed && (drvDigits[i].Extent == NULL) &&
(LetterMask & (((ULONGLONG) 1) << (i + 32)) ) ) {
if (drvDigits[i].bInvalid && drvDigits[i].DrvType == DRIVE_FIXED) {
LetterMask &= (~(((ULONGLONG) 1) << (i + 32)));
Ext2RemoveMountPoint(&drvDigits[i], FALSE);
Ext2RemoveDosSymLink(drvDigits[i].Letter);
}
}
}
for (i=2; i <26; i++) {
if (drvLetters[i].bUsed && (drvLetters[i].Extent == NULL) &&
(LetterMask & (((ULONGLONG) 1) << i)) ) {
if (drvLetters[i].bInvalid && drvLetters[i].DrvType == DRIVE_FIXED) {
LetterMask &= (~(((ULONGLONG) 1) << i));
Ext2RemoveMountPoint(&drvLetters[i], FALSE);
Ext2RemoveDosSymLink(drvLetters[i].Letter);
}
}
}
// Ext2DrvLetters[0] = LetterMask;
}
BOOL
Ext2RemoveDosSymLink(CHAR drvChar)
{
EXT2_MOUNT_POINT E2MP;
NT::NTSTATUS status;
HANDLE handle = NULL;
NT::IO_STATUS_BLOCK iosb;
Ext2SymLinkRemoval(drvChar);
memset(&E2MP, 0, sizeof(EXT2_MOUNT_POINT));
E2MP.Magic = EXT2_APP_MOUNTPOINT_MAGIC;
E2MP.Command = APP_CMD_DEL_DOS_SYMLINK;
E2MP.Link[0] = (USHORT) drvChar;
status = Ext2Open("\\DosDevices\\Ext2Fsd",
&handle, EXT2_DESIRED_ACCESS);
if (!NT_SUCCESS(status)) {
goto errorout;
}
status = NT::ZwDeviceIoControlFile(
handle, NULL, NULL, NULL, &iosb,
IOCTL_APP_MOUNT_POINT,
&E2MP, sizeof(EXT2_MOUNT_POINT),
&E2MP, sizeof(EXT2_MOUNT_POINT)
);
errorout:
Ext2Close(&handle);
return NT_SUCCESS(status);
}
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