diff --git a/src/Common/Dlgcode.c b/src/Common/Dlgcode.c index ce86c9da..488b050f 100644 --- a/src/Common/Dlgcode.c +++ b/src/Common/Dlgcode.c @@ -13921,20 +13921,33 @@ static unsigned int __stdcall SecureDesktopThread( LPVOID lpThreadParameter ) StringCbCopy(SecureDesktopName, sizeof (SecureDesktopName), pParam->szDesktopName); pParam->hDesk = hSecureDesk; - // wait for SwitchDesktop to succeed before using it for current thread - while (true) - { - if (SwitchDesktop (hSecureDesk)) - { - break; - } - Sleep (SECUREDESKTOP_MONOTIR_PERIOD); - } - bNewDesktopSet = SetThreadDesktop (hSecureDesk); if (bNewDesktopSet) { + // call ImmDisableIME from imm32.dll to disable IME since it can create issue with secure desktop + // cf: https://keepass.info/help/kb/sec_desk.html#ime + HMODULE hImmDll = LoadLibraryEx (L"imm32.dll", NULL, LOAD_LIBRARY_SEARCH_SYSTEM32); + if (hImmDll) + { + typedef BOOL (WINAPI *ImmDisableIME_t)(DWORD); + ImmDisableIME_t ImmDisableIME = (ImmDisableIME_t) GetProcAddress (hImmDll, "ImmDisableIME"); + if (ImmDisableIME) + { + ImmDisableIME (0); + } + } + + // wait for SwitchDesktop to succeed before using it for current thread + while (true) + { + if (SwitchDesktop (hSecureDesk)) + { + break; + } + Sleep (SECUREDESKTOP_MONOTIR_PERIOD); + } + // create the thread that will ensure that VeraCrypt secure desktop has always user input // this is done only if the stop event is created successfully HANDLE hStopEvent = CreateEvent(NULL, TRUE, FALSE, NULL); @@ -13964,6 +13977,12 @@ static unsigned int __stdcall SecureDesktopThread( LPVOID lpThreadParameter ) } pParam->bDlgDisplayed = TRUE; + + // free imm32.dll handle + if (hImmDll) + { + FreeLibrary (hImmDll); + } } else { @@ -14084,19 +14103,20 @@ INT_PTR SecureDesktopDialogBoxParam( // dialog box was indeed displayed in Secure Desktop retValue = param.retValue; bSuccess = TRUE; - } - } - if (param.hDesk) - { - while (!SwitchDesktop (hOriginalDesk)) + // switch back to the original desktop + while (!SwitchDesktop (hOriginalDesk)) + { + Sleep (SECUREDESKTOP_MONOTIR_PERIOD); + } + + SetThreadDesktop (hOriginalDesk); + } + + if (param.hDesk) { - Sleep (SECUREDESKTOP_MONOTIR_PERIOD); + CloseDesktop (param.hDesk); } - - SetThreadDesktop (hOriginalDesk); - - CloseDesktop (param.hDesk); } // get the new list of ctfmon.exe processes in order to find the ID of the