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Windows: Make MSI installer compatible with System Encryption by leveraging VeraCrypt service capabilities

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This commit is contained in:
Mounir IDRASSI 2022-02-01 23:25:07 +01:00
parent 8ad93e6648
commit 9b88625d97
No known key found for this signature in database
GPG Key ID: 02C30AE90FAE4A6F
4 changed files with 80 additions and 30 deletions
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1
src/Common/BootEncryption.h
View File

@ -360,6 +360,7 @@ namespace VeraCrypt
#define TC_SYSTEM_FAVORITES_SERVICE_LOAD_ORDER_GROUP L"Event Log"
#define TC_SYSTEM_FAVORITES_SERVICE_CMDLINE_OPTION L"/systemFavoritesService"
#define VC_SYSTEM_FAVORITES_SERVICE_ARG_SKIP_MOUNT L"/SkipMount"
#define VC_SYSTEM_FAVORITES_SERVICE_ARG_UPDATE_LOADER L"/UpdateLoader"
#define VC_SYSTEM_FAVORITES_SERVICE_CONFIG_DONT_UPDATE_LOADER 0x1
#define VC_SYSTEM_FAVORITES_SERVICE_CONFIG_FORCE_SET_BOOTNEXT 0x2

10
src/Common/Dlgcode.c
View File

@ -175,6 +175,10 @@ BOOL bLanguageSetInSetup = FALSE;
extern BOOL bMakePackage;
#endif
#ifdef TCMOUNT
extern BOOL ServiceMode;
#endif
// Status of detection of hidden sectors (whole-system-drive encryption).
// 0 - Unknown/undetermined/completed, 1: Detection is or was in progress (but did not complete e.g. due to system crash).
int HiddenSectorDetectionStatus = 0;
@ -4759,11 +4763,17 @@ int DriverAttach (void)
if (IsNonInstallMode () && CreateDriverSetupMutex () && DriverUnload () && nLoadRetryCount++ < 3)
goto load;
#ifdef TCMOUNT
// don't fail in case of service. This solves issues during upgrade when system encryption is enabled
if (!ServiceMode)
#endif
{
CloseDriverSetupMutex ();
CloseHandle (hDriver);
hDriver = INVALID_HANDLE_VALUE;
return ERR_DRIVER_VERSION;
}
}
#else
if (!bResult)
DriverVersion = 0;

40
src/Mount/Mount.c
View File

@ -9663,19 +9663,27 @@ static void SystemFavoritesServiceSetStatus (DWORD status, DWORD waitHint = 0)
SetServiceStatus (SystemFavoritesServiceStatusHandle, &SystemFavoritesServiceStatus);
}
static void SystemFavoritesServiceUpdateLoaderProcessing ()
static void SystemFavoritesServiceUpdateLoaderProcessing (BOOL bForce)
{
if (!(BootEncObj->ReadServiceConfigurationFlags () & VC_SYSTEM_FAVORITES_SERVICE_CONFIG_DONT_UPDATE_LOADER))
SystemFavoritesServiceLogInfo (L"SystemFavoritesServiceUpdateLoaderProcessing called");
if (bForce || !(BootEncObj->ReadServiceConfigurationFlags () & VC_SYSTEM_FAVORITES_SERVICE_CONFIG_DONT_UPDATE_LOADER))
{
SystemFavoritesServiceLogInfo (L"SystemFavoritesServiceUpdateLoaderProcessing processing");
try
{
BootEncryption::UpdateSetupConfigFile (true);
SystemFavoritesServiceLogInfo (L"SystemFavoritesServiceUpdateLoaderProcessing: UpdateSetupConfigFile called");
if (!BootEncStatus.HiddenSystem)
{
// re-install our bootloader again in case the update process has removed it.
bool bForceSetNextBoot = false;
bool bSetBootentry = true;
bool bForceFirstBootEntry = true;
bool bPostOOBE = true;
if (bForce)
bPostOOBE = false;
else
{
uint32 flags = BootEncObj->ReadServiceConfigurationFlags ();
if (flags & VC_SYSTEM_FAVORITES_SERVICE_CONFIG_FORCE_SET_BOOTNEXT)
bForceSetNextBoot = true;
@ -9683,8 +9691,11 @@ static void SystemFavoritesServiceUpdateLoaderProcessing ()
bSetBootentry = false;
if (flags & VC_SYSTEM_FAVORITES_SERVICE_CONFIG_DONT_FORCE_FIRST_BOOTENTRY)
bForceFirstBootEntry = false;
BootEncryption bootEnc (NULL, true, bSetBootentry, bForceFirstBootEntry, bForceSetNextBoot);
}
BootEncryption bootEnc (NULL, bPostOOBE, bSetBootentry, bForceFirstBootEntry, bForceSetNextBoot);
SystemFavoritesServiceLogInfo (L"SystemFavoritesServiceUpdateLoaderProcessing: InstallBootLoader calling");
bootEnc.InstallBootLoader (true);
SystemFavoritesServiceLogInfo (L"SystemFavoritesServiceUpdateLoaderProcessing: InstallBootLoader called");
}
}
catch (...)
@ -9704,7 +9715,7 @@ static DWORD WINAPI SystemFavoritesServiceCtrlHandler ( DWORD dwControl,
case SERVICE_CONTROL_STOP:
SystemFavoritesServiceSetStatus (SERVICE_STOP_PENDING);
SystemFavoritesServiceUpdateLoaderProcessing ();
SystemFavoritesServiceUpdateLoaderProcessing (FALSE);
/* clear VC_DRIVER_CONFIG_CLEAR_KEYS_ON_NEW_DEVICE_INSERTION flag */
SetDriverConfigurationFlag (VC_DRIVER_CONFIG_CLEAR_KEYS_ON_NEW_DEVICE_INSERTION, FALSE);
@ -9717,7 +9728,7 @@ static DWORD WINAPI SystemFavoritesServiceCtrlHandler ( DWORD dwControl,
/* perform fixing of bootloader and SetupConfig.ini when the system resumes from sleep */
if (dwEventType == PBT_APMRESUMEAUTOMATIC)
{
SystemFavoritesServiceUpdateLoaderProcessing ();
SystemFavoritesServiceUpdateLoaderProcessing (FALSE);
}
}
break;
@ -9726,7 +9737,7 @@ static DWORD WINAPI SystemFavoritesServiceCtrlHandler ( DWORD dwControl,
/* perform fixing of bootloader and SetupConfig.ini when the user logs in or when he unlocks his locked session */
if ((dwEventType == WTS_SESSION_UNLOCK) || (dwEventType == WTS_SESSION_LOGON))
{
SystemFavoritesServiceUpdateLoaderProcessing ();
SystemFavoritesServiceUpdateLoaderProcessing (FALSE);
}
}
break;
@ -9791,14 +9802,21 @@ static VOID WINAPI SystemFavoritesServiceMain (DWORD argc, LPTSTR *argv)
BOOL status = FALSE;
DEV_BROADCAST_DEVICEINTERFACE hdr;
BOOL bSkipMount = FALSE;
BOOL bUpdateLoader = FALSE;
DWORD i;
memset (&SystemFavoritesServiceStatus, 0, sizeof (SystemFavoritesServiceStatus));
SystemFavoritesServiceStatus.dwServiceType = SERVICE_WIN32_OWN_PROCESS;
SystemFavoritesServiceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP;
if (IsOSAtLeast (WIN_VISTA))
SystemFavoritesServiceStatus.dwControlsAccepted |= SERVICE_ACCEPT_PRESHUTDOWN | SERVICE_ACCEPT_SESSIONCHANGE | SERVICE_ACCEPT_POWEREVENT;
if ((argc >= 2) && (0 == _wcsicmp (argv[1], VC_SYSTEM_FAVORITES_SERVICE_ARG_SKIP_MOUNT)))
for (i = 1; i < argc; i++)
{
if (0 == _wcsicmp (argv[i], VC_SYSTEM_FAVORITES_SERVICE_ARG_SKIP_MOUNT))
bSkipMount = TRUE;
else if (0 == _wcsicmp (argv[i], VC_SYSTEM_FAVORITES_SERVICE_ARG_UPDATE_LOADER))
bUpdateLoader = TRUE;
}
ZeroMemory (&hdr, sizeof(hdr));
hdr.dbcc_size = sizeof (hdr);
@ -9817,6 +9835,12 @@ static VOID WINAPI SystemFavoritesServiceMain (DWORD argc, LPTSTR *argv)
SetUnhandledExceptionFilter (SystemFavoritesServiceExceptionHandler);
_set_invalid_parameter_handler (SystemFavoritesServiceInvalidParameterHandler);
if (bUpdateLoader)
{
SystemFavoritesServiceSetStatus (SERVICE_START_PENDING, 120000);
SystemFavoritesServiceUpdateLoaderProcessing (TRUE);
}
if (!bSkipMount)
{
InitGlobalLocks ();
@ -9846,7 +9870,7 @@ static VOID WINAPI SystemFavoritesServiceMain (DWORD argc, LPTSTR *argv)
if (!(ReadDriverConfigurationFlags() & TC_DRIVER_CONFIG_CACHE_BOOT_PASSWORD))
WipeCache (NULL, TRUE);
SystemFavoritesServiceUpdateLoaderProcessing ();
SystemFavoritesServiceUpdateLoaderProcessing (FALSE);
}
SystemFavoritesServiceSetStatus (SERVICE_RUNNING);

35
src/SetupDLL/Setup.c
View File

@ -1360,8 +1360,11 @@ BOOL StartStopService_Dll (MSIHANDLE hInstaller, wchar_t *lpszService, BOOL bSta
if (bStart)
{
if (!StartService (hService, argc, argv) && (GetLastError () != ERROR_SERVICE_ALREADY_RUNNING))
{
MSILog(hInstaller, MSI_ERROR_LEVEL, L"Failed to start %s. Error 0x%.8X", lpszService, GetLastError ());
goto error;
}
}
else
ControlService (hService, SERVICE_CONTROL_STOP, &status);
@ -1379,10 +1382,16 @@ BOOL StartStopService_Dll (MSIHANDLE hInstaller, wchar_t *lpszService, BOOL bSta
bRet = QueryServiceStatus (hService, &status);
if (bRet != TRUE)
{
MSILog(hInstaller, MSI_ERROR_LEVEL, L"Failed to query status of %s. Error 0x%.8X", lpszService, GetLastError ());
goto error;
}
if (status.dwCurrentState != dwExpectedState)
{
MSILog(hInstaller, MSI_ERROR_LEVEL, L"Current state of %s (0x%.8X) is different from expected one (0x%.8X).", lpszService, status.dwCurrentState, dwExpectedState);
goto error;
}
bOK = TRUE;
@ -1511,11 +1520,6 @@ BOOL DoDriverUnload_Dll (MSIHANDLE hInstaller, HWND hwnd)
BootEncryption bootEnc (hwnd);
if (bootEnc.GetDriverServiceStartType() == SERVICE_BOOT_START)
{
MSILogAndShow(hInstaller, MSI_ERROR_LEVEL, L"VeraCrypt MSI installation is currently not compatible with Windows System Encryption");
bOK = FALSE;
goto end;
/************* TODO: find a workaround to the fact that MSI service cannot access EFI environment variable
try
{
// Check hidden OS update consistency
@ -1559,7 +1563,6 @@ BOOL DoDriverUnload_Dll (MSIHANDLE hInstaller, HWND hwnd)
SystemEncryptionUpdate = TRUE;
PortableMode = FALSE;
}
*****************************************/
}
}
catch (...) { }
@ -1612,6 +1615,12 @@ BOOL DoDriverUnload_Dll (MSIHANDLE hInstaller, HWND hwnd)
if (TCWindowClosed)
Sleep (2000);
// stop service
if (SystemEncryptionUpdate)
{
StartStopService_Dll (hInstaller, TC_SYSTEM_FAVORITES_SERVICE_NAME, FALSE, 0, NULL);
}
}
// Test for any applications attached to driver
@ -1928,7 +1937,8 @@ BOOL UpgradeBootLoader_Dll (MSIHANDLE hInstaller, HWND hwndDlg)
{
MSILog (hInstaller, MSI_INFO_LEVEL, GetString("INSTALLER_UPDATING_BOOT_LOADER"));
bootEnc.InstallBootLoader (true);
// this is done by the service now
//bootEnc.InstallBootLoader (true);
if (bootEnc.GetInstalledBootLoaderVersion() <= TC_RESCUE_DISK_UPGRADE_NOTICE_MAX_VERSION)
{
@ -2776,15 +2786,20 @@ EXTERN_C UINT STDAPICALLTYPE VC_CustomAction_PostInstall(MSIHANDLE hInstaller)
if (StartStopService_Dll (hInstaller, TC_SYSTEM_FAVORITES_SERVICE_NAME, FALSE, 0, NULL))
{
// we tell the service not to load system favorites on startup
LPCWSTR szArgs[2] = { TC_SYSTEM_FAVORITES_SERVICE_NAME, VC_SYSTEM_FAVORITES_SERVICE_ARG_SKIP_MOUNT};
// we tell the service not to load system favorites on startup and to update bootloader on startup
LPCWSTR szArgs[3] = { TC_SYSTEM_FAVORITES_SERVICE_NAME, VC_SYSTEM_FAVORITES_SERVICE_ARG_SKIP_MOUNT, VC_SYSTEM_FAVORITES_SERVICE_ARG_UPDATE_LOADER};
if (!CopyFile (szTmp, servicePath.c_str(), FALSE))
ForceCopyFile (szTmp, servicePath.c_str());
StartStopService_Dll (hInstaller, TC_SYSTEM_FAVORITES_SERVICE_NAME, TRUE, 2, szArgs);
MSILog(hInstaller, MSI_ERROR_LEVEL, L"VC_CustomAction_PostInstall: SystemEncryptionUpdate = %s", SystemEncryptionUpdate? L"TRUE" : L"FALSE");
StartStopService_Dll (hInstaller, TC_SYSTEM_FAVORITES_SERVICE_NAME, TRUE, SystemEncryptionUpdate? 3 : 2, szArgs);
}
else
{
MSILog(hInstaller, MSI_ERROR_LEVEL, L"VC_CustomAction_PostInstall: failed to stop %S", servicePath.c_str());
ForceCopyFile (szTmp, servicePath.c_str());
}
BootEncObj.SetDriverConfigurationFlag (driverFlags, true);