VeraCrypt
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-rw-r--r--src/Mount/Mount.c54
1 files changed, 54 insertions, 0 deletions
diff --git a/src/Mount/Mount.c b/src/Mount/Mount.c
index 36fa1815..c95129f6 100644
--- a/src/Mount/Mount.c
+++ b/src/Mount/Mount.c
@@ -181,6 +181,8 @@ static int bPrebootPasswordDlgMode = FALSE;
static int NoCmdLineArgs;
static BOOL CmdLineVolumeSpecified;
static int LastDriveListVolumeColumnWidth;
+static BOOL ExitMailSlotSpecified = FALSE;
+static TCHAR ExitMailSlotName[MAX_PATH];
// WTS handling
static HMODULE hWtsLib = NULL;
static WTSREGISTERSESSIONNOTIFICATION fnWtsRegisterSessionNotification = NULL;
@@ -6780,6 +6782,41 @@ void DisplayDriveListContextMenu (HWND hwndDlg, LPARAM lParam)
}
}
+// broadcast signal to WAITFOR.EXE MailSlot to notify any waiting instance that we are exiting
+static void SignalExitCode (int exitCode)
+{
+ if (ExitMailSlotSpecified)
+ {
+ HANDLE hFile;
+ hFile = CreateFile (ExitMailSlotName,
+ GENERIC_WRITE,
+ FILE_SHARE_READ,
+ (LPSECURITY_ATTRIBUTES) NULL,
+ OPEN_EXISTING,
+ FILE_ATTRIBUTE_NORMAL,
+ (HANDLE) NULL);
+ if ((hFile == INVALID_HANDLE_VALUE) && (GetLastError () == ERROR_FILE_NOT_FOUND))
+ {
+ // MailSlot not found, wait 1 second and try again in case we exited too quickly
+ Sleep (1000);
+ hFile = CreateFile (ExitMailSlotName,
+ GENERIC_WRITE,
+ FILE_SHARE_READ,
+ (LPSECURITY_ATTRIBUTES) NULL,
+ OPEN_EXISTING,
+ FILE_ATTRIBUTE_NORMAL,
+ (HANDLE) NULL);
+ }
+ if (hFile != INVALID_HANDLE_VALUE)
+ {
+ char szMsg[64];
+ DWORD cbWritten;
+ StringCbPrintfA (szMsg, sizeof (szMsg), "VeraCrypt Exit %d", exitCode);
+ WriteFile(hFile, szMsg, (DWORD) (strlen (szMsg) +1), &cbWritten, (LPOVERLAPPED) NULL);
+ CloseHandle (hFile);
+ }
+ }
+}
/* Except in response to the WM_INITDIALOG and WM_ENDSESSION messages, the dialog box procedure
should return nonzero if it processes a message, and zero if it does not. */
@@ -7126,7 +7163,10 @@ BOOL CALLBACK MainDialogProc (HWND hwndDlg, UINT uMsg, WPARAM wParam, LPARAM lPa
if (Quit)
{
if (TaskBarIconMutex == NULL)
+ {
+ SignalExitCode (exitCode);
exit (exitCode);
+ }
MainWindowHidden = TRUE;
@@ -7138,6 +7178,7 @@ BOOL CALLBACK MainDialogProc (HWND hwndDlg, UINT uMsg, WPARAM wParam, LPARAM lPa
{
if (TaskBarIconMutex)
TaskBarIconRemove (hwndDlg);
+ SignalExitCode (exitCode);
exit (exitCode);
}
else
@@ -8890,6 +8931,7 @@ void ExtractCommandLine (HWND hwndDlg, wchar_t *lpszCommandLine)
OptionSecureDesktop,
OptionDisableDeviceUpdate,
OptionEnableMemoryProtection,
+ OptionSignalExit,
};
argument args[]=
@@ -8920,6 +8962,7 @@ void ExtractCommandLine (HWND hwndDlg, wchar_t *lpszCommandLine)
{ OptionSecureDesktop, L"/secureDesktop", NULL, FALSE },
{ OptionDisableDeviceUpdate, L"/disableDeviceUpdate", NULL, FALSE },
{ OptionEnableMemoryProtection, L"/protectMemory", NULL, FALSE },
+ { OptionSignalExit, L"/signalExit", NULL, FALSE },
};
argumentspec as;
@@ -9022,6 +9065,17 @@ void ExtractCommandLine (HWND hwndDlg, wchar_t *lpszCommandLine)
}
break;
+ case OptionSignalExit:
+ if (HAS_ARGUMENT == GetArgumentValue (lpszCommandLineArgs, &i,
+ nNoCommandLineArgs, tmpPath, ARRAYSIZE (tmpPath)))
+ {
+ StringCbPrintfW (ExitMailSlotName, sizeof (ExitMailSlotName), L"\\\\.\\mailslot\\WAITFOR.EXE\\%s", tmpPath);
+ ExitMailSlotSpecified = TRUE;
+ }
+ else
+ AbortProcess ("COMMAND_LINE_ERROR");
+ break;
+
case OptionCache:
{
wchar_t szTmp[16] = {0};