VeraCrypt
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authorMounir IDRASSI <mounir.idrassi@idrix.fr>2020-06-28 00:13:14 +0200
committerMounir IDRASSI <mounir.idrassi@idrix.fr>2020-06-28 01:06:22 +0200
commitb9099d01c20cc1b95e4237a2499828aee34221ac (patch)
treee301396b507427ea3a778666e98d1bcc9282e30d
parentb270a453aa53deed01675bc19f1cb14b05c703d1 (diff)
downloadVeraCrypt-b9099d01c20cc1b95e4237a2499828aee34221ac.tar.gz
VeraCrypt-b9099d01c20cc1b95e4237a2499828aee34221ac.zip
Windows: Fix failure to detect suspension of machine that caused mounted volume not be dismount even if "Entering power saving mode" is checked in Preferences. This fix implements compatibility with Windows 10 Modern Standby and Windows 8.1 Connected Standby power model.
Diffstat
-rw-r--r--src/Mount/Mount.c59
1 files changed, 47 insertions, 12 deletions
diff --git a/src/Mount/Mount.c b/src/Mount/Mount.c
index e73859f5..ece39512 100644
--- a/src/Mount/Mount.c
+++ b/src/Mount/Mount.c
@@ -64,6 +64,17 @@
typedef BOOL (WINAPI *WTSREGISTERSESSIONNOTIFICATION)(HWND, DWORD);
typedef BOOL (WINAPI *WTSUNREGISTERSESSIONNOTIFICATION)(HWND);
+#ifndef _HPOWERNOTIFY_DEF_
+#define _HPOWERNOTIFY_DEF_
+
+typedef PVOID HPOWERNOTIFY;
+typedef HPOWERNOTIFY *PHPOWERNOTIFY;
+
+#endif
+
+typedef HPOWERNOTIFY (WINAPI *REGISTERSUSPENDRESUMENOTIFICATION)(HANDLE hRecipient, DWORD Flags);
+typedef BOOL (WINAPI *UNREGISTERSUSPENDRESUMENOTIFICATION) (HPOWERNOTIFY Handle);
+
using namespace VeraCrypt;
enum timer_ids
@@ -188,7 +199,13 @@ static HMODULE hWtsLib = NULL;
static WTSREGISTERSESSIONNOTIFICATION fnWtsRegisterSessionNotification = NULL;
static WTSUNREGISTERSESSIONNOTIFICATION fnWtsUnRegisterSessionNotification = NULL;
-static void RegisterWtsNotification(HWND hWnd)
+// Used to opt-in to receive notification about power events.
+// This is mandatory to support Windows 10 Modern Standby and Windows 8.1 Connected Standby power model.
+// https://docs.microsoft.com/en-us/windows-hardware/design/device-experiences/prepare-software-for-modern-standby
+// https://docs.microsoft.com/en-us/windows/win32/w8cookbook/desktop-activity-moderator?redirectedfrom=MSDN
+static HPOWERNOTIFY g_hPowerNotify = NULL;
+
+static void RegisterWtsAndPowerNotification(HWND hWnd)
{
if (!hWtsLib)
{
@@ -215,9 +232,19 @@ static void RegisterWtsNotification(HWND hWnd)
}
}
}
+
+ if (IsOSAtLeast (WIN_8))
+ {
+ REGISTERSUSPENDRESUMENOTIFICATION fnRegisterSuspendResumeNotification = (REGISTERSUSPENDRESUMENOTIFICATION) GetProcAddress (GetModuleHandle (L"user32.dll"), "RegisterSuspendResumeNotification");
+ if (fnRegisterSuspendResumeNotification)
+ {
+ g_hPowerNotify = fnRegisterSuspendResumeNotification ((HANDLE) hWnd, DEVICE_NOTIFY_WINDOW_HANDLE);
+ }
+
+ }
}
-static void UnregisterWtsNotification(HWND hWnd)
+static void UnregisterWtsAndPowerNotification(HWND hWnd)
{
if (hWtsLib && fnWtsUnRegisterSessionNotification)
{
@@ -227,6 +254,14 @@ static void UnregisterWtsNotification(HWND hWnd)
fnWtsRegisterSessionNotification = NULL;
fnWtsUnRegisterSessionNotification = NULL;
}
+
+ if (IsOSAtLeast (WIN_8) && g_hPowerNotify)
+ {
+ UNREGISTERSUSPENDRESUMENOTIFICATION fnUnregisterSuspendResumeNotification = (UNREGISTERSUSPENDRESUMENOTIFICATION) GetProcAddress (GetModuleHandle (L"user32.dll"), "UnregisterSuspendResumeNotification");
+ if (fnUnregisterSuspendResumeNotification)
+ fnUnregisterSuspendResumeNotification (g_hPowerNotify);
+ g_hPowerNotify = NULL;
+ }
}
static std::vector<MSXML2::IXMLDOMNodePtr> GetReadChildNodes (MSXML2::IXMLDOMNodeListPtr childs)
@@ -435,7 +470,7 @@ void EndMainDlg (HWND hwndDlg)
KillTimer (hwndDlg, TIMER_ID_MAIN);
KillTimer (hwndDlg, TIMER_ID_UPDATE_DEVICE_LIST);
TaskBarIconRemove (hwndDlg);
- UnregisterWtsNotification(hwndDlg);
+ UnregisterWtsAndPowerNotification(hwndDlg);
EndDialog (hwndDlg, 0);
}
}
@@ -7284,7 +7319,7 @@ BOOL CALLBACK MainDialogProc (HWND hwndDlg, UINT uMsg, WPARAM wParam, LPARAM lPa
}
if (TaskBarIconMutex != NULL)
- RegisterWtsNotification(hwndDlg);
+ RegisterWtsAndPowerNotification(hwndDlg);
DoPostInstallTasks (hwndDlg);
ResetCurrentDirectory ();
}
@@ -7369,7 +7404,7 @@ BOOL CALLBACK MainDialogProc (HWND hwndDlg, UINT uMsg, WPARAM wParam, LPARAM lPa
}
TaskBarIconRemove (hwndDlg);
- UnregisterWtsNotification(hwndDlg);
+ UnregisterWtsAndPowerNotification(hwndDlg);
}
EndMainDlg (hwndDlg);
localcleanup ();
@@ -7587,7 +7622,7 @@ BOOL CALLBACK MainDialogProc (HWND hwndDlg, UINT uMsg, WPARAM wParam, LPARAM lPa
&& GetDriverRefCount () < 2)
{
TaskBarIconRemove (hwndDlg);
- UnregisterWtsNotification(hwndDlg);
+ UnregisterWtsAndPowerNotification(hwndDlg);
EndMainDlg (hwndDlg);
}
}
@@ -7714,7 +7749,7 @@ BOOL CALLBACK MainDialogProc (HWND hwndDlg, UINT uMsg, WPARAM wParam, LPARAM lPa
EnumWindows (CloseTCWindowsEnum, 0);
TaskBarIconRemove (hwndDlg);
- UnregisterWtsNotification(hwndDlg);
+ UnregisterWtsAndPowerNotification(hwndDlg);
SendMessage (hwndDlg, WM_COMMAND, sel, 0);
}
}
@@ -7735,7 +7770,7 @@ BOOL CALLBACK MainDialogProc (HWND hwndDlg, UINT uMsg, WPARAM wParam, LPARAM lPa
case TC_APPMSG_CLOSE_BKG_TASK:
if (TaskBarIconMutex != NULL)
TaskBarIconRemove (hwndDlg);
- UnregisterWtsNotification(hwndDlg);
+ UnregisterWtsAndPowerNotification(hwndDlg);
return 1;
@@ -8411,12 +8446,12 @@ BOOL CALLBACK MainDialogProc (HWND hwndDlg, UINT uMsg, WPARAM wParam, LPARAM lPa
if (bEnableBkgTask)
{
TaskBarIconAdd (hwndDlg);
- RegisterWtsNotification(hwndDlg);
+ RegisterWtsAndPowerNotification(hwndDlg);
}
else
{
TaskBarIconRemove (hwndDlg);
- UnregisterWtsNotification(hwndDlg);
+ UnregisterWtsAndPowerNotification(hwndDlg);
if (MainWindowHidden)
EndMainDlg (hwndDlg);
}
@@ -9870,7 +9905,7 @@ BOOL TaskBarIconChange (HWND hwnd, int iconId)
ScreenDPI >= 120 ? 0 : 16,
(ScreenDPI >= 120 ? LR_DEFAULTSIZE : 0)
| LR_SHARED
- | LR_DEFAULTCOLOR : LR_VGACOLOR);
+ | LR_DEFAULTCOLOR);
return Shell_NotifyIcon (NIM_MODIFY, &tnid);
}
@@ -10415,7 +10450,7 @@ static void HandleHotKey (HWND hwndDlg, WPARAM wParam)
MessageBeep (0xFFFFFFFF);
}
TaskBarIconRemove (hwndDlg);
- UnregisterWtsNotification(hwndDlg);
+ UnregisterWtsAndPowerNotification(hwndDlg);
EndMainDlg (hwndDlg);
break;