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Windows: inform user that RAM encryption setting requires reboot to take effect

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This commit is contained in:
Mounir IDRASSI 2019-03-08 00:56:47 +01:00
parent f780011a86
commit 76c03c23a1
No known key found for this signature in database
GPG Key ID: 02C30AE90FAE4A6F
1 changed files with 23 additions and 1 deletions
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24
src/Mount/Mount.c
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@ -11219,6 +11219,9 @@ static BOOL CALLBACK PerformanceSettingsDlgProc (HWND hwndDlg, UINT msg, WPARAM
try try
{ {
VOLUME_PROPERTIES_STRUCT prop; VOLUME_PROPERTIES_STRUCT prop;
bool rebootRequired = false;
uint32 driverConfig = ReadDriverConfigurationFlags();
try try
{ {
BootEncStatus = BootEncObj->GetStatus(); BootEncStatus = BootEncObj->GetStatus();
@ -11256,7 +11259,12 @@ static BOOL CALLBACK PerformanceSettingsDlgProc (HWND hwndDlg, UINT msg, WPARAM
SetDriverConfigurationFlag (VC_DRIVER_CONFIG_ALLOW_WINDOWS_DEFRAG, allowWindowsDefrag); SetDriverConfigurationFlag (VC_DRIVER_CONFIG_ALLOW_WINDOWS_DEFRAG, allowWindowsDefrag);
SetDriverConfigurationFlag (VC_DRIVER_CONFIG_ENABLE_CPU_RNG, enableCpuRng); SetDriverConfigurationFlag (VC_DRIVER_CONFIG_ENABLE_CPU_RNG, enableCpuRng);
if (IsOSAtLeast (WIN_7)) if (IsOSAtLeast (WIN_7))
{
BOOL originalRamEncryptionEnabled = (driverConfig & VC_DRIVER_CONFIG_ENABLE_RAM_ENCRYPTION)? TRUE : FALSE;
if (originalRamEncryptionEnabled != enableRamEncryption)
rebootRequired = true;
SetDriverConfigurationFlag (VC_DRIVER_CONFIG_ENABLE_RAM_ENCRYPTION, enableRamEncryption); SetDriverConfigurationFlag (VC_DRIVER_CONFIG_ENABLE_RAM_ENCRYPTION, enableRamEncryption);
}
DWORD bytesReturned; DWORD bytesReturned;
if (!DeviceIoControl (hDriver, TC_IOCTL_REREAD_DRIVER_CONFIG, NULL, 0, NULL, 0, &bytesReturned, NULL)) if (!DeviceIoControl (hDriver, TC_IOCTL_REREAD_DRIVER_CONFIG, NULL, 0, NULL, 0, &bytesReturned, NULL))
@ -11276,9 +11284,12 @@ static BOOL CALLBACK PerformanceSettingsDlgProc (HWND hwndDlg, UINT msg, WPARAM
if (ReadEncryptionThreadPoolFreeCpuCountLimit() != cpuFreeCount) if (ReadEncryptionThreadPoolFreeCpuCountLimit() != cpuFreeCount)
{ {
BootEncObj->WriteLocalMachineRegistryDwordValue (L"SYSTEM\\CurrentControlSet\\Services\\veracrypt", TC_ENCRYPTION_FREE_CPU_COUNT_REG_VALUE_NAME, cpuFreeCount); BootEncObj->WriteLocalMachineRegistryDwordValue (L"SYSTEM\\CurrentControlSet\\Services\\veracrypt", TC_ENCRYPTION_FREE_CPU_COUNT_REG_VALUE_NAME, cpuFreeCount);
Warning ("SETTING_REQUIRES_REBOOT", hwndDlg); rebootRequired = true;
} }
if (rebootRequired)
Warning ("SETTING_REQUIRES_REBOOT", hwndDlg);
EndDialog (hwndDlg, lw); EndDialog (hwndDlg, lw);
return 1; return 1;
} }
@ -11320,6 +11331,17 @@ static BOOL CALLBACK PerformanceSettingsDlgProc (HWND hwndDlg, UINT msg, WPARAM
EnableWindow (GetDlgItem (hwndDlg, IDC_ENCRYPTION_FREE_CPU_COUNT), IsDlgButtonChecked (hwndDlg, IDC_LIMIT_ENC_THREAD_POOL)); EnableWindow (GetDlgItem (hwndDlg, IDC_ENCRYPTION_FREE_CPU_COUNT), IsDlgButtonChecked (hwndDlg, IDC_LIMIT_ENC_THREAD_POOL));
return 1; return 1;
case IDC_ENABLE_RAM_ENCRYPTION:
{
uint32 driverConfig = ReadDriverConfigurationFlags();
BOOL originalRamEncryptionEnabled = (driverConfig & VC_DRIVER_CONFIG_ENABLE_RAM_ENCRYPTION)? TRUE : FALSE;
BOOL enableRamEncryption = IsDlgButtonChecked (hwndDlg, IDC_ENABLE_RAM_ENCRYPTION);
if (originalRamEncryptionEnabled != enableRamEncryption)
Warning ("SETTING_REQUIRES_REBOOT", hwndDlg);
}
return 1;
case IDC_BENCHMARK: case IDC_BENCHMARK:
Benchmark (hwndDlg); Benchmark (hwndDlg);
return 1; return 1;