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| author | Mounir IDRASSI <mounir.idrassi@idrix.fr> | 2020-07-21 10:59:44 +0200 |
|---|---|---|
| committer | Mounir IDRASSI <mounir.idrassi@idrix.fr> | 2020-07-21 12:47:20 +0200 |
| commit | f9782fb3f6393b967d2997feff85d59c01a7db80 (patch) | |
| tree | be475906690b04857b551003c47b041e2b286553 /src/Common/Dlgcode.c | |
| parent | 425e4e7d365795b820fa145403b2be372894c48b (diff) | |
| download | VeraCrypt-f9782fb3f6393b967d2997feff85d59c01a7db80.tar.gz VeraCrypt-f9782fb3f6393b967d2997feff85d59c01a7db80.zip | |
Windows: Implement detection of Hibernate and Fast Startup and disable them if RAM encryption is activated.
Diffstat (limited to 'src/Common/Dlgcode.c')
| -rw-r--r-- | src/Common/Dlgcode.c | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/src/Common/Dlgcode.c b/src/Common/Dlgcode.c index 0203a931..7a4f473e 100644 --- a/src/Common/Dlgcode.c +++ b/src/Common/Dlgcode.c @@ -14896,3 +14896,76 @@ void PasswordEditDropTarget::GotDrop(CLIPFORMAT format) } } + +/* + * Query the status of Hibernate and Fast Startup + */ + +typedef BOOLEAN (WINAPI *GetPwrCapabilitiesFn)( + PSYSTEM_POWER_CAPABILITIES lpspc +); + +BOOL GetHibernateStatus (BOOL& bHibernateEnabled, BOOL& bHiberbootEnabled) +{ + wchar_t szPowrProfPath[MAX_PATH] = {0}; + HMODULE hPowrProf = NULL; + BOOL bResult = FALSE; + + bHibernateEnabled = bHiberbootEnabled = FALSE; + + if (GetSystemDirectory(szPowrProfPath, MAX_PATH)) + StringCchCatW (szPowrProfPath, MAX_PATH, L"\\PowrProf.dll"); + else + StringCchCopyW (szPowrProfPath, MAX_PATH, L"C:\\Windows\\System32\\PowrProf.dll"); + + hPowrProf = LoadLibrary (szPowrProfPath); + if (hPowrProf) + { + GetPwrCapabilitiesFn GetPwrCapabilitiesPtr = (GetPwrCapabilitiesFn) GetProcAddress (hPowrProf, "GetPwrCapabilities"); + if ( GetPwrCapabilitiesPtr) + { + SYSTEM_POWER_CAPABILITIES spc; + BOOLEAN bRet = GetPwrCapabilitiesPtr (&spc); + if (bRet) + { + DWORD dwHibernateEnabled = 0; + DWORD dwHiberbootEnabled = 0; + + if (spc.SystemS4) + { + dwHibernateEnabled = 1; + if(!ReadLocalMachineRegistryDword (L"SYSTEM\\CurrentControlSet\\Control\\Power", L"HibernateEnabled", &dwHibernateEnabled)) + { + // starting from Windows 10 1809 (Build 17763), HibernateEnabledDefault is used when HibernateEnabled is absent + if (IsOSVersionAtLeast (WIN_10, 0) && CurrentOSBuildNumber >= 17763) + ReadLocalMachineRegistryDword (L"SYSTEM\\CurrentControlSet\\Control\\Power", L"HibernateEnabledDefault", &dwHibernateEnabled); + } + } + + // check if Fast Startup / Hybrid Boot is enabled + if (IsOSVersionAtLeast (WIN_8, 0) && spc.spare2[0]) + { + dwHiberbootEnabled = 1; + ReadLocalMachineRegistryDword (L"SYSTEM\\CurrentControlSet\\Control\\Session Manager\\Power", L"HiberbootEnabled", &dwHiberbootEnabled); + } + + if (dwHibernateEnabled) + bHibernateEnabled = TRUE; + else + bHibernateEnabled = FALSE; + + if (dwHiberbootEnabled) + bHiberbootEnabled = TRUE; + else + bHiberbootEnabled = FALSE; + + bResult = TRUE; + } + } + + FreeLibrary (hPowrProf); + } + + return bResult; +} + |