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mirror of https://github.com/veracrypt/VeraCrypt.git synced 2026-06-19 02:56:07 -05:00

Windows: Remove support for 32-bit driver code. Set build target as Windows 10. Simplify code and fix all warnings in driver.

This commit is contained in:
Mounir IDRASSI
2024-11-13 02:08:51 +01:00
parent ec4b44c238
commit cb97351250
31 changed files with 513 additions and 778 deletions
+27 -94
View File
@@ -359,15 +359,11 @@ static void ComputeBootLoaderFingerprint(PDEVICE_OBJECT LowerDeviceObject, uint8
status = TCReadDevice (LowerDeviceObject, ioBuffer, offset, TC_SECTOR_SIZE_BIOS);
if (NT_SUCCESS (status))
{
#ifndef _M_ARM64
NTSTATUS saveStatus = STATUS_INVALID_PARAMETER;
#ifdef _WIN64
XSTATE_SAVE SaveState;
if (IsCpuIntel() && HasSAVX())
saveStatus = KeSaveExtendedProcessorStateVC(XSTATE_MASK_GSSE, &SaveState);
#else
KFLOATING_SAVE floatingPointState;
if (HasISSE() || (HasSSSE3() && HasMMX()))
saveStatus = KeSaveFloatingPointState (&floatingPointState);
#endif
WHIRLPOOL_add (ioBuffer, TC_BOOT_SECTOR_PIM_VALUE_OFFSET, &whirlpool);
WHIRLPOOL_add (ioBuffer + TC_BOOT_SECTOR_USER_MESSAGE_OFFSET + TC_BOOT_SECTOR_USER_MESSAGE_MAX_LENGTH, (TC_BOOT_SECTOR_USER_CONFIG_OFFSET - (TC_BOOT_SECTOR_USER_MESSAGE_OFFSET + TC_BOOT_SECTOR_USER_MESSAGE_MAX_LENGTH)), &whirlpool);
@@ -403,11 +399,9 @@ static void ComputeBootLoaderFingerprint(PDEVICE_OBJECT LowerDeviceObject, uint8
sha512_end (&BootLoaderFingerprint [WHIRLPOOL_DIGESTSIZE], &sha2);
}
if (NT_SUCCESS (saveStatus))
#ifdef _WIN64
#ifndef _M_ARM64
if (NT_SUCCESS(saveStatus))
KeRestoreExtendedProcessorStateVC(&SaveState);
#else
KeRestoreFloatingPointState (&floatingPointState);
#endif
}
else
@@ -423,7 +417,7 @@ static NTSTATUS MountDrive (DriveFilterExtension *Extension, Password *password,
int64 hiddenHeaderOffset = BootArgs.HiddenSystemPartitionStart + TC_HIDDEN_VOLUME_HEADER_OFFSET;
NTSTATUS status;
LARGE_INTEGER offset;
char *header;
unsigned char *header;
int pkcs5_prf = 0, pim = 0;
PARTITION_INFORMATION_EX pi;
BOOL bIsGPT = FALSE;
@@ -662,19 +656,12 @@ static NTSTATUS MountDrive (DriveFilterExtension *Extension, Password *password,
if (!NT_SUCCESS (status))
TC_BUG_CHECK (status);
if (IsOSAtLeast (WIN_VISTA))
CrashDumpEnabled = TRUE;
HibernationEnabled = TRUE;
if (IsRamEncryptionEnabled())
{
CrashDumpEnabled = TRUE;
HibernationEnabled = TRUE;
#ifdef _WIN64
if (IsRamEncryptionEnabled())
{
HibernationEnabled = FALSE;
}
#endif
HibernationEnabled = FALSE;
}
else if (!LegacyHibernationDriverFilterActive)
StartLegacyHibernationDriverFilter();
// Hidden system hibernation is not supported if an extra boot partition is present as the system is not allowed to update the boot partition
if (IsHiddenSystemRunning() && (BootArgs.Flags & TC_BOOT_ARGS_FLAG_EXTRA_BOOT_PARTITION))
@@ -866,6 +853,7 @@ static void CheckDeviceTypeAndMount (DriveFilterExtension *filterExtension)
static VOID MountDriveWorkItemRoutine (PDEVICE_OBJECT deviceObject, DriveFilterExtension *filterExtension)
{
UNREFERENCED_PARAMETER(deviceObject);
CheckDeviceTypeAndMount (filterExtension);
KeSetEvent (&filterExtension->MountWorkItemCompletedEvent, IO_NO_INCREMENT, FALSE);
}
@@ -983,6 +971,7 @@ static NTSTATUS DispatchPnp (PDEVICE_OBJECT DeviceObject, PIRP Irp, DriveFilterE
static NTSTATUS DispatchPower (PDEVICE_OBJECT DeviceObject, PIRP Irp, DriveFilterExtension *Extension, PIO_STACK_LOCATION irpSp)
{
NTSTATUS status;
UNREFERENCED_PARAMETER(DeviceObject);
Dump ("IRP_MJ_POWER minor=%d type=%d shutdown=%d\n", (int) irpSp->MinorFunction, (int) irpSp->Parameters.Power.Type, (int) irpSp->Parameters.Power.ShutdownType);
if (SetupInProgress
@@ -1024,6 +1013,7 @@ static NTSTATUS DispatchControl (PDEVICE_OBJECT DeviceObject, PIRP Irp, DriveFil
{
BOOL bBlockTrim = BlockSystemTrimCommand || IsHiddenSystemRunning();
NTSTATUS status = IoAcquireRemoveLock (&Extension->Queue.RemoveLock, Irp);
UNREFERENCED_PARAMETER(DeviceObject);
if (!NT_SUCCESS (status))
return TCCompleteIrp (Irp, status, 0);
@@ -1033,7 +1023,6 @@ static NTSTATUS DispatchControl (PDEVICE_OBJECT DeviceObject, PIRP Irp, DriveFil
Dump ("DriverFilter-DispatchControl: IOCTL_STORAGE_MANAGE_DATA_SET_ATTRIBUTES\n");
if (bBlockTrim)
{
PIO_STACK_LOCATION irpSp = IoGetCurrentIrpStackLocation (Irp);
DWORD inputLength = irpSp->Parameters.DeviceIoControl.InputBufferLength;
if (inputLength >= sizeof (DEVICE_MANAGE_DATA_SET_ATTRIBUTES))
{
@@ -1109,7 +1098,7 @@ NTSTATUS DriveFilterDispatchIrp (PDEVICE_OBJECT DeviceObject, PIRP Irp)
return status;
}
void EmergencyClearAllKeys (PIRP irp, PIO_STACK_LOCATION irpSp)
void EmergencyClearAllKeys (PIRP irp)
{
irp->IoStatus.Information = 0;
@@ -1136,18 +1125,16 @@ void EmergencyClearAllKeys (PIRP irp, PIO_STACK_LOCATION irpSp)
if (BootDriveFound && BootDriveFilterExtension && BootDriveFilterExtension->DriveMounted)
InvalidateDriveFilterKeys (BootDriveFilterExtension);
#ifdef _WIN64
ClearSecurityParameters();
#endif
irp->IoStatus.Status = STATUS_SUCCESS;
}
}
void ReopenBootVolumeHeader (PIRP irp, PIO_STACK_LOCATION irpSp)
void ReopenBootVolumeHeader (PIRP irp)
{
LARGE_INTEGER offset;
char *header;
unsigned char *header;
ReopenBootVolumeHeaderRequest *request = (ReopenBootVolumeHeaderRequest *) irp->AssociatedIrp.SystemBuffer;
irp->IoStatus.Information = 0;
@@ -1192,22 +1179,20 @@ void ReopenBootVolumeHeader (PIRP irp, PIO_STACK_LOCATION irpSp)
goto ret;
}
#ifdef _WIN64
if (IsRamEncryptionEnabled())
{
VcUnprotectKeys (BootDriveFilterExtension->HeaderCryptoInfo, VcGetEncryptionID (BootDriveFilterExtension->HeaderCryptoInfo));
}
#endif
if (ReadVolumeHeader (!BootDriveFilterExtension->HiddenSystem, header, &request->VolumePassword, request->pkcs5_prf, request->pim, NULL, BootDriveFilterExtension->HeaderCryptoInfo) == 0)
{
Dump ("Header reopened\n");
#ifdef _WIN64
if (IsRamEncryptionEnabled())
{
VcProtectKeys (BootDriveFilterExtension->HeaderCryptoInfo, VcGetEncryptionID(BootDriveFilterExtension->HeaderCryptoInfo));
}
#endif
ComputeBootLoaderFingerprint (BootDriveFilterExtension->LowerDeviceObject, header);
BootDriveFilterExtension->Queue.CryptoInfo->pkcs5 = BootDriveFilterExtension->HeaderCryptoInfo->pkcs5;
@@ -1458,6 +1443,8 @@ static VOID LoadImageNotifyRoutine (PUNICODE_STRING fullImageName, HANDLE proces
ModuleTableItem *moduleItem;
LIST_ENTRY *listEntry;
KIRQL origIrql;
UNREFERENCED_PARAMETER(fullImageName);
UNREFERENCED_PARAMETER(processId);
if (!imageInfo || !imageInfo->SystemModeImage || !imageInfo->ImageBase || !TCDriverObject->DriverSection)
return;
@@ -1512,62 +1499,6 @@ static VOID LoadImageNotifyRoutine (PUNICODE_STRING fullImageName, HANDLE proces
}
void StartLegacyHibernationDriverFilter ()
{
PHYSICAL_ADDRESS highestAcceptableWriteBufferAddr;
NTSTATUS status;
ASSERT (KeGetCurrentIrql() == PASSIVE_LEVEL);
ASSERT (!IsOSAtLeast (WIN_VISTA));
if (!TCDriverObject->DriverSection || !*(ModuleTableItem **) TCDriverObject->DriverSection)
goto err;
// All buffers required for hibernation must be allocated here
#ifdef _WIN64
highestAcceptableWriteBufferAddr.QuadPart = 0x7FFffffFFFFULL;
#else
highestAcceptableWriteBufferAddr.QuadPart = 0xffffFFFFULL;
#endif
HibernationWriteBuffer = MmAllocateContiguousMemory (TC_HIBERNATION_WRITE_BUFFER_SIZE, highestAcceptableWriteBufferAddr);
if (!HibernationWriteBuffer)
goto err;
HibernationWriteBufferMdl = IoAllocateMdl (HibernationWriteBuffer, TC_HIBERNATION_WRITE_BUFFER_SIZE, FALSE, FALSE, NULL);
if (!HibernationWriteBufferMdl)
goto err;
MmBuildMdlForNonPagedPool (HibernationWriteBufferMdl);
status = PsSetLoadImageNotifyRoutine (LoadImageNotifyRoutine);
if (!NT_SUCCESS (status))
goto err;
LegacyHibernationDriverFilterActive = TRUE;
CrashDumpEnabled = FALSE;
HibernationEnabled = TRUE;
return;
err:
LegacyHibernationDriverFilterActive = FALSE;
CrashDumpEnabled = FALSE;
HibernationEnabled = FALSE;
if (HibernationWriteBufferMdl)
{
IoFreeMdl (HibernationWriteBufferMdl);
HibernationWriteBufferMdl = NULL;
}
if (HibernationWriteBuffer)
{
MmFreeContiguousMemory (HibernationWriteBuffer);
HibernationWriteBuffer = NULL;
}
}
static VOID SetupThreadProc (PVOID threadArg)
{
DriveFilterExtension *Extension = BootDriveFilterExtension;
@@ -1590,6 +1521,7 @@ static VOID SetupThreadProc (PVOID threadArg)
// wipeRandCharsUpdate instead of relying on uninitialized stack memory
ChaCha20RngCtx rngCtx;
uint8 pbSeed[CHACHA20RNG_KEYSZ + CHACHA20RNG_IVSZ];
UNREFERENCED_PARAMETER(threadArg);
GetDriverRandomSeed (pbSeed, sizeof (pbSeed));
ChaCha20RngInit (&rngCtx, pbSeed, GetDriverRandomSeed, 0);
@@ -1951,7 +1883,7 @@ NTSTATUS StartBootEncryptionSetup (PDEVICE_OBJECT DeviceObject, PIRP irp, PIO_ST
}
void GetBootDriveVolumeProperties (PIRP irp, PIO_STACK_LOCATION irpSp)
void GetBootDriveVolumeProperties (PIRP irp)
{
if (ValidateIOBufferSize (irp, sizeof (VOLUME_PROPERTIES_STRUCT), ValidateOutput))
{
@@ -1989,7 +1921,7 @@ void GetBootDriveVolumeProperties (PIRP irp, PIO_STACK_LOCATION irpSp)
}
void GetBootEncryptionStatus (PIRP irp, PIO_STACK_LOCATION irpSp)
void GetBootEncryptionStatus (PIRP irp)
{
/* IMPORTANT: Do NOT add any potentially time-consuming operations to this function. */
@@ -2051,7 +1983,7 @@ void GetBootEncryptionStatus (PIRP irp, PIO_STACK_LOCATION irpSp)
}
void GetBootLoaderVersion (PIRP irp, PIO_STACK_LOCATION irpSp)
void GetBootLoaderVersion (PIRP irp)
{
if (ValidateIOBufferSize (irp, sizeof (uint16), ValidateOutput))
{
@@ -2069,7 +2001,7 @@ void GetBootLoaderVersion (PIRP irp, PIO_STACK_LOCATION irpSp)
}
}
void GetBootLoaderFingerprint (PIRP irp, PIO_STACK_LOCATION irpSp)
void GetBootLoaderFingerprint (PIRP irp)
{
if (ValidateIOBufferSize (irp, sizeof (BootLoaderFingerprintRequest), ValidateOutput))
{
@@ -2079,7 +2011,7 @@ void GetBootLoaderFingerprint (PIRP irp, PIO_STACK_LOCATION irpSp)
BootLoaderFingerprintRequest *bootLoaderFingerprint = (BootLoaderFingerprintRequest *) irp->AssociatedIrp.SystemBuffer;
/* compute the fingerprint again and check if it is the same as the one retrieved during boot */
char *header = TCalloc (TC_BOOT_ENCRYPTION_VOLUME_HEADER_SIZE);
unsigned char *header = TCalloc (TC_BOOT_ENCRYPTION_VOLUME_HEADER_SIZE);
if (!header)
{
irp->IoStatus.Status = STATUS_INSUFFICIENT_RESOURCES;
@@ -2111,7 +2043,7 @@ void GetBootLoaderFingerprint (PIRP irp, PIO_STACK_LOCATION irpSp)
}
}
void GetBootEncryptionAlgorithmName (PIRP irp, PIO_STACK_LOCATION irpSp)
void GetBootEncryptionAlgorithmName (PIRP irp)
{
if (ValidateIOBufferSize (irp, sizeof (GetBootEncryptionAlgorithmNameRequest), ValidateOutput))
{
@@ -2193,6 +2125,7 @@ NTSTATUS AbortBootEncryptionSetup ()
static VOID DecoySystemWipeThreadProc (PVOID threadArg)
{
UNREFERENCED_PARAMETER(threadArg);
DriveFilterExtension *Extension = BootDriveFilterExtension;
LARGE_INTEGER offset;
@@ -2376,7 +2309,7 @@ BOOL IsDecoySystemWipeInProgress()
}
void GetDecoySystemWipeStatus (PIRP irp, PIO_STACK_LOCATION irpSp)
void GetDecoySystemWipeStatus (PIRP irp)
{
if (ValidateIOBufferSize (irp, sizeof (DecoySystemWipeStatus), ValidateOutput))
{