reactos/dll/cpl/access/access.c
Katayama Hirofumi MZ e5ebbc8afa
[CPL] Boundary check of Control Panel applets (#4706)
- Check the boundary (i < NUM_APPLETS) of the variable i in CPlApplet functions.
- Use UINT type for the variable i.
2022-09-17 13:59:51 +09:00

303 lines
8.8 KiB
C

/*
* PROJECT: ReactOS Accessibility Control Panel
* LICENSE: GPL - See COPYING in the top level directory
* FILE: dll/cpl/access/access.c
* PURPOSE: Main control panel code
* COPYRIGHT: Copyright 2004 Johannes Anderwald (johannes.anderwald@reactos.org)
* Copyright 2007 Eric Kohl
*/
#include "access.h"
#include <cpl.h>
#define NUM_APPLETS (1)
static LONG CALLBACK SystemApplet(HWND hwnd, UINT uMsg, LPARAM wParam, LPARAM lParam);
HINSTANCE hApplet = 0;
/* Applets */
APPLET Applets[NUM_APPLETS] =
{
{IDI_CPLACCESS, IDS_CPLSYSTEMNAME, IDS_CPLSYSTEMDESCRIPTION, SystemApplet}
};
static BOOL
ReadSettings(PGLOBAL_DATA pGlobalData)
{
DWORD dwDisposition;
DWORD dwLength;
HKEY hKey;
LONG lError;
/* Get sticky keys information */
pGlobalData->stickyKeys.cbSize = sizeof(STICKYKEYS);
if (!SystemParametersInfo(SPI_GETSTICKYKEYS,
sizeof(STICKYKEYS),
&pGlobalData->stickyKeys,
0))
return FALSE;
/* Get filter keys information */
pGlobalData->filterKeys.cbSize = sizeof(FILTERKEYS);
if (!SystemParametersInfo(SPI_GETFILTERKEYS,
sizeof(FILTERKEYS),
&pGlobalData->filterKeys,
0))
return FALSE;
/* Get toggle keys information */
pGlobalData->toggleKeys.cbSize = sizeof(TOGGLEKEYS);
if (!SystemParametersInfo(SPI_GETTOGGLEKEYS,
sizeof(TOGGLEKEYS),
&pGlobalData->toggleKeys,
0))
return FALSE;
/* Get keyboard preference information */
if (!SystemParametersInfo(SPI_GETKEYBOARDPREF,
0,
&pGlobalData->bKeyboardPref,
0))
return FALSE;
/* Get high contrast information */
pGlobalData->highContrast.cbSize = sizeof(HIGHCONTRAST);
SystemParametersInfo(SPI_GETHIGHCONTRAST,
sizeof(HIGHCONTRAST),
&pGlobalData->highContrast,
0);
SystemParametersInfo(SPI_GETCARETWIDTH,
0,
&pGlobalData->uCaretWidth,
0);
pGlobalData->uCaretBlinkTime = GetCaretBlinkTime();
/* Get sound settings */
pGlobalData->ssSoundSentry.cbSize = sizeof(SOUNDSENTRY);
SystemParametersInfo(SPI_GETSOUNDSENTRY,
sizeof(SOUNDSENTRY),
&pGlobalData->ssSoundSentry,
0);
SystemParametersInfo(SPI_GETSHOWSOUNDS,
0,
&pGlobalData->bShowSounds,
0);
/* Get mouse keys information */
pGlobalData->mouseKeys.cbSize = sizeof(MOUSEKEYS);
SystemParametersInfo(SPI_GETMOUSEKEYS,
sizeof(MOUSEKEYS),
&pGlobalData->mouseKeys,
0);
/* Get access timeout information */
pGlobalData->accessTimeout.cbSize = sizeof(ACCESSTIMEOUT);
SystemParametersInfo(SPI_GETACCESSTIMEOUT,
sizeof(ACCESSTIMEOUT),
&pGlobalData->accessTimeout,
0);
/* Get serial keys information */
pGlobalData->serialKeys.cbSize = sizeof(SERIALKEYS);
pGlobalData->serialKeys.lpszActivePort = pGlobalData->szActivePort;
pGlobalData->serialKeys.lpszPort = pGlobalData->szPort;
SystemParametersInfo(SPI_GETSERIALKEYS,
sizeof(SERIALKEYS),
&pGlobalData->serialKeys,
0);
pGlobalData->bWarningSounds = TRUE;
pGlobalData->bSoundOnActivation = TRUE;
lError = RegCreateKeyEx(HKEY_CURRENT_USER,
_T("Control Panel\\Accessibility"),
0,
NULL,
REG_OPTION_NON_VOLATILE,
KEY_EXECUTE | KEY_QUERY_VALUE,
NULL,
&hKey,
&dwDisposition);
if (lError != ERROR_SUCCESS)
return TRUE;
dwLength = sizeof(BOOL);
lError = RegQueryValueEx(hKey,
_T("Warning Sounds"),
NULL,
NULL,
(LPBYTE)&pGlobalData->bWarningSounds,
&dwLength);
if (lError != ERROR_SUCCESS)
pGlobalData->bWarningSounds = TRUE;
dwLength = sizeof(BOOL);
lError = RegQueryValueEx(hKey,
_T("Sound On Activation"),
NULL,
NULL,
(LPBYTE)&pGlobalData->bSoundOnActivation,
&dwLength);
if (lError != ERROR_SUCCESS)
pGlobalData->bSoundOnActivation = TRUE;
RegCloseKey(hKey);
return TRUE;
}
static VOID
InitPropSheetPage(PROPSHEETPAGE *psp, WORD idDlg, DLGPROC DlgProc, PGLOBAL_DATA pGlobalData)
{
ZeroMemory(psp, sizeof(PROPSHEETPAGE));
psp->dwSize = sizeof(PROPSHEETPAGE);
psp->dwFlags = PSP_DEFAULT;
psp->hInstance = hApplet;
psp->pszTemplate = MAKEINTRESOURCE(idDlg);
psp->pfnDlgProc = DlgProc;
psp->lParam = (LPARAM)pGlobalData;
}
static int CALLBACK
PropSheetProc(HWND hwndDlg, UINT uMsg, LPARAM lParam)
{
// NOTE: This callback is needed to set large icon correctly.
HICON hIcon;
switch (uMsg)
{
case PSCB_INITIALIZED:
{
hIcon = LoadIconW(hApplet, MAKEINTRESOURCEW(IDI_CPLACCESS));
SendMessageW(hwndDlg, WM_SETICON, ICON_BIG, (LPARAM)hIcon);
break;
}
}
return 0;
}
/* First Applet */
LONG CALLBACK
SystemApplet(HWND hwnd, UINT uMsg, LPARAM wParam, LPARAM lParam)
{
PGLOBAL_DATA pGlobalData;
PROPSHEETPAGE psp[5];
PROPSHEETHEADER psh;
INT nPage = 0;
INT ret;
if (uMsg == CPL_STARTWPARMSW && lParam != 0)
nPage = _wtoi((PWSTR)lParam);
pGlobalData = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(GLOBAL_DATA));
if (pGlobalData == NULL)
return 0;
if (!ReadSettings(pGlobalData))
{
HeapFree(GetProcessHeap(), 0, pGlobalData);
return 0;
}
ZeroMemory(&psh, sizeof(PROPSHEETHEADER));
psh.dwSize = sizeof(PROPSHEETHEADER);
psh.dwFlags = PSH_PROPSHEETPAGE | PSH_USEICONID | PSH_USECALLBACK;
psh.hwndParent = hwnd;
psh.hInstance = hApplet;
psh.pszIcon = MAKEINTRESOURCEW(IDI_CPLACCESS);
psh.pszCaption = MAKEINTRESOURCEW(IDS_CPLSYSTEMNAME);
psh.nPages = sizeof(psp) / sizeof(PROPSHEETPAGE);
psh.nStartPage = 0;
psh.ppsp = psp;
psh.pfnCallback = PropSheetProc;
InitPropSheetPage(&psp[0], IDD_PROPPAGEKEYBOARD, KeyboardPageProc, pGlobalData);
InitPropSheetPage(&psp[1], IDD_PROPPAGESOUND, SoundPageProc, pGlobalData);
InitPropSheetPage(&psp[2], IDD_PROPPAGEDISPLAY, DisplayPageProc, pGlobalData);
InitPropSheetPage(&psp[3], IDD_PROPPAGEMOUSE, MousePageProc, pGlobalData);
InitPropSheetPage(&psp[4], IDD_PROPPAGEGENERAL, GeneralPageProc, pGlobalData);
if (nPage != 0 && nPage <= psh.nPages)
psh.nStartPage = nPage;
ret = PropertySheet(&psh);
HeapFree(GetProcessHeap(), 0, pGlobalData);
return (LONG)(ret != -1);
}
/* Control Panel Callback */
LONG CALLBACK
CPlApplet(HWND hwndCPl,
UINT uMsg,
LPARAM lParam1,
LPARAM lParam2)
{
UINT i = (UINT)lParam1;
switch (uMsg)
{
case CPL_INIT:
return TRUE;
case CPL_GETCOUNT:
return NUM_APPLETS;
case CPL_INQUIRE:
if (i < NUM_APPLETS)
{
CPLINFO *CPlInfo = (CPLINFO*)lParam2;
CPlInfo->lData = 0;
CPlInfo->idIcon = Applets[i].idIcon;
CPlInfo->idName = Applets[i].idName;
CPlInfo->idInfo = Applets[i].idDescription;
}
else
{
return TRUE;
}
break;
case CPL_DBLCLK:
if (i < NUM_APPLETS)
Applets[i].AppletProc(hwndCPl, uMsg, lParam1, lParam2);
else
return TRUE;
break;
case CPL_STARTWPARMSW:
if (i < NUM_APPLETS)
return Applets[i].AppletProc(hwndCPl, uMsg, lParam1, lParam2);
break;
}
return FALSE;
}
BOOL WINAPI
DllMain(HINSTANCE hinstDLL,
DWORD dwReason,
LPVOID lpvReserved)
{
UNREFERENCED_PARAMETER(lpvReserved);
switch (dwReason)
{
case DLL_PROCESS_ATTACH:
case DLL_THREAD_ATTACH:
hApplet = hinstDLL;
break;
}
return TRUE;
}