static BOOL LoadStoredSettings() {
WipeAlgorithmId savedWipeAlgorithm = TC_WIPE_NONE;
EnableHwEncryption ((ReadDriverConfigurationFlags() & TC_DRIVER_CONFIG_DISABLE_HARDWARE_ENCRYPTION) ? FALSE : TRUE);
if (TryDetectSystemEncryptionStatus()) {
set_error_debug_out(TCAPI_E_TC_CONFIG_CORRUPTED);
return FALSE;
}
//TODO: need to check if this is an issue for us.
if (TryDetectNonSysInPlaceEncSettings (&savedWipeAlgorithm) != 0)
bInPlaceEncNonSysPending = TRUE;
mountOptions = defaultMountOptions;
//TODO: Boot project transfer
//if (IsHiddenOSRunning())
// HiddenSysLeakProtectionNotificationStatus = ConfigReadInt ("HiddenSystemLeakProtNotifStatus", TC_HIDDEN_OS_READ_ONLY_NOTIF_MODE_NONE);
return TRUE;
}
void ReadBootSectorUserConfiguration ()
{
byte userConfig;
AcquireSectorBuffer();
if (ReadWriteMBR (false, BootLoaderDrive, true) != BiosResultSuccess)
goto ret;
userConfig = SectorBuffer[TC_BOOT_SECTOR_USER_CONFIG_OFFSET];
#ifdef TC_WINDOWS_BOOT_AES
EnableHwEncryption (!(userConfig & TC_BOOT_USER_CFG_FLAG_DISABLE_HW_ENCRYPTION));
#endif
PreventBootMenu = (userConfig & TC_BOOT_USER_CFG_FLAG_DISABLE_ESC);
memcpy (CustomUserMessage, SectorBuffer + TC_BOOT_SECTOR_USER_MESSAGE_OFFSET, TC_BOOT_SECTOR_USER_MESSAGE_MAX_LENGTH);
CustomUserMessage[TC_BOOT_SECTOR_USER_MESSAGE_MAX_LENGTH] = 0;
if (userConfig & TC_BOOT_USER_CFG_FLAG_SILENT_MODE)
{
if (CustomUserMessage[0])
{
InitVideoMode();
Print (CustomUserMessage);
}
DisableScreenOutput();
}
OuterVolumeBackupHeaderCrc = *(uint32 *) (SectorBuffer + TC_BOOT_SECTOR_OUTER_VOLUME_BAK_HEADER_CRC_OFFSET);
ret:
ReleaseSectorBuffer();
}
NTSTATUS DumpFilterEntry (PFILTER_EXTENSION filterExtension, PFILTER_INITIALIZATION_DATA filterInitData)
{
GetSystemDriveDumpConfigRequest dumpConfig;
PHYSICAL_ADDRESS highestAcceptableWriteBufferAddr;
STORAGE_DEVICE_NUMBER storageDeviceNumber;
PARTITION_INFORMATION partitionInfo;
LONG version;
NTSTATUS status;
Dump ("DumpFilterEntry type=%d\n", filterExtension->DumpType);
filterInitData->MajorVersion = DUMP_FILTER_MAJOR_VERSION;
filterInitData->MinorVersion = DUMP_FILTER_MINOR_VERSION;
filterInitData->Flags |= DUMP_FILTER_CRITICAL;
// Check driver version of the main device
status = TCDeviceIoControl (NT_ROOT_PREFIX, TC_IOCTL_GET_DRIVER_VERSION, NULL, 0, &version, sizeof (version));
if (!NT_SUCCESS (status))
goto err;
if (version != VERSION_NUM)
{
status = STATUS_INVALID_PARAMETER;
goto err;
}
// Get dump configuration from the main device
status = TCDeviceIoControl (NT_ROOT_PREFIX, TC_IOCTL_GET_SYSTEM_DRIVE_DUMP_CONFIG, NULL, 0, &dumpConfig, sizeof (dumpConfig));
if (!NT_SUCCESS (status))
goto err;
BootDriveFilterExtension = dumpConfig.BootDriveFilterExtension;
if (BootDriveFilterExtension->MagicNumber != TC_BOOT_DRIVE_FILTER_EXTENSION_MAGIC_NUMBER)
{
status = STATUS_CRC_ERROR;
goto err;
}
// KeSaveFloatingPointState() may generate a bug check during crash dump
#if !defined (_WIN64)
if (filterExtension->DumpType == DumpTypeCrashdump)
dumpConfig.HwEncryptionEnabled = FALSE;
#endif
EnableHwEncryption (dumpConfig.HwEncryptionEnabled);
if (!AutoTestAlgorithms())
{
status = STATUS_INVALID_PARAMETER;
goto err;
}
// Check dump volume is located on the system drive
status = SendDeviceIoControlRequest (filterExtension->DeviceObject, IOCTL_STORAGE_GET_DEVICE_NUMBER, NULL, 0, &storageDeviceNumber, sizeof (storageDeviceNumber));
if (!NT_SUCCESS (status))
goto err;
if (!BootDriveFilterExtension->SystemStorageDeviceNumberValid)
{
status = STATUS_INVALID_PARAMETER;
goto err;
}
if (storageDeviceNumber.DeviceNumber != BootDriveFilterExtension->SystemStorageDeviceNumber)
{
status = STATUS_ACCESS_DENIED;
goto err;
}
// Check dump volume is located within the scope of system encryption
status = SendDeviceIoControlRequest (filterExtension->DeviceObject, IOCTL_DISK_GET_PARTITION_INFO, NULL, 0, &partitionInfo, sizeof (partitionInfo));
if (!NT_SUCCESS (status))
goto err;
DumpPartitionOffset = partitionInfo.StartingOffset;
if (DumpPartitionOffset.QuadPart < BootDriveFilterExtension->ConfiguredEncryptedAreaStart
|| DumpPartitionOffset.QuadPart > BootDriveFilterExtension->ConfiguredEncryptedAreaEnd)
{
status = STATUS_ACCESS_DENIED;
goto err;
}
// Allocate buffer for encryption
if (filterInitData->MaxPagesPerWrite == 0)
{
status = STATUS_INVALID_PARAMETER;
goto err;
}
WriteFilterBufferSize = filterInitData->MaxPagesPerWrite * PAGE_SIZE;
#ifdef _WIN64
highestAcceptableWriteBufferAddr.QuadPart = 0x7FFffffFFFFLL;
#else
highestAcceptableWriteBufferAddr.QuadPart = 0xffffFFFFLL;
#endif
WriteFilterBuffer = MmAllocateContiguousMemory (WriteFilterBufferSize, highestAcceptableWriteBufferAddr);
if (!WriteFilterBuffer)
{
status = STATUS_INSUFFICIENT_RESOURCES;
goto err;
}
filterInitData->DumpStart = DumpFilterStart;
filterInitData->DumpWrite = DumpFilterWrite;
filterInitData->DumpFinish = DumpFilterFinish;
filterInitData->DumpUnload = DumpFilterUnload;
Dump ("Dump filter loaded type=%d\n", filterExtension->DumpType);
return STATUS_SUCCESS;
err:
Dump ("DumpFilterEntry error %x\n", status);
return status;
}
