control.c File Reference

#include <stdio.h>
#include <windef.h>
#include <winbase.h>
#include <winuser.h>
#include <winreg.h>
#include <shellapi.h>
#include <strsafe.h>
#include <objbase.h>
#include <shobjidl.h>
#include <shlguid.h>
#include "resource.h"

Include dependency graph for control.c:

Go to the source code of this file.

Macros
#define	WIN32_NO_STATUS
#define	COBJMACROS
#define	MAX_VALUE_NAME   16383
#define	RUNDLL(param)    ((INT_PTR)ShellExecuteW(NULL, L"open", L"rundll32.exe", (param), NULL, SW_SHOWDEFAULT) > 32)

Functions
VOID WINAPI	Control_RunDLLW (HWND hWnd, HINSTANCE hInst, LPCWSTR cmd, DWORD nCmdShow)
static BOOL	IsSwitch (LPCWSTR Switch, LPCWSTR Arg)
static HRESULT	OpenControlPanelItem (LPCWSTR Name, LPCWSTR Page)
static INT	OpenShellFolder (LPWSTR lpFolderCLSID)
static INT	RunControlPanel (LPCWSTR lpCmd)
INT WINAPI	wWinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance, LPWSTR lpCmdLine, INT nCmdShow)

Macro Definition Documentation

COBJMACROS

#define COBJMACROS

Definition at line 13 of file control.c.

MAX_VALUE_NAME

#define MAX_VALUE_NAME   16383

Definition at line 28 of file control.c.

RUNDLL

#define RUNDLL

(

param

)

((INT_PTR)ShellExecuteW(NULL, L"open", L"rundll32.exe", (param), NULL, SW_SHOWDEFAULT) > 32)

Definition at line 35 of file control.c.

WIN32_NO_STATUS

#define WIN32_NO_STATUS

Definition at line 12 of file control.c.

Function Documentation

Control_RunDLLW()

VOID WINAPI Control_RunDLLW	(	HWND	hWnd,
		HINSTANCE	hInst,
		LPCWSTR	cmd,
		DWORD	nCmdShow
	)

Definition at line 1172 of file control.c.

{
    CPanel  panel;
 
    TRACE("(%p, %p, %s, 0x%08x)\n",
      hWnd, hInst, debugstr_w(cmd), nCmdShow);
 
#ifndef __REACTOS__
    memset(&panel, 0, sizeof(panel));
    list_init( &panel.applets );
#endif
 
    if (!cmd || !*cmd) {
        Control_DoWindow(&panel, hWnd, hInst);
    } else {
        Control_DoLaunch(&panel, hWnd, cmd);
    }
}

Referenced by Control_RunDLLA().

IsSwitch()

static BOOL IsSwitch ( LPCWSTR  Switch, LPCWSTR  Arg  )

static

Definition at line 43 of file control.c.

{
    if (*Arg == '/' || *Arg == '-')
    {
        return !lstrcmpiW(Arg+1, Switch);
    }
    return FALSE;
}

Referenced by wWinMain().

OpenControlPanelItem()

static HRESULT OpenControlPanelItem ( LPCWSTR  Name, LPCWSTR  Page  )

static

Definition at line 53 of file control.c.

{
    HRESULT hr = CoInitialize(0);
    if (SUCCEEDED(hr))
    {
        IOpenControlPanel *pOCP;
        hr = CoCreateInstance(&CLSID_OpenControlPanel, NULL, CLSCTX_INPROC_SERVER,
                              &IID_IOpenControlPanel, (void**)&pOCP);
        if (SUCCEEDED(hr))
        {
            hr = IOpenControlPanel_Open(pOCP, Name, Page, NULL);
            IOpenControlPanel_Release(pOCP);
        }
        CoUninitialize();
    }
    return hr;
}

Referenced by wWinMain().

OpenShellFolder()

static INT OpenShellFolder ( LPWSTR  lpFolderCLSID )

static

Definition at line 72 of file control.c.

{
    WCHAR szParameters[MAX_PATH];
 
    /*
     * Open a shell folder using "explorer.exe". The passed CLSIDs
     * are all subfolders of the "Control Panel" shell folder.
     */
    StringCbCopyW(szParameters, sizeof(szParameters), L"/n,::{20D04FE0-3AEA-1069-A2D8-08002B30309D}\\::{21EC2020-3AEA-1069-A2DD-08002B30309D}");
    StringCbCatW(szParameters, sizeof(szParameters), lpFolderCLSID);
 
    return (INT_PTR)ShellExecuteW(NULL,
                                  L"open",
                                  L"explorer.exe",
                                  szParameters,
                                  NULL,
                                  SW_SHOWDEFAULT) > 32;
}

Referenced by wWinMain().

RunControlPanel()

static INT RunControlPanel ( LPCWSTR  lpCmd )

static

Definition at line 92 of file control.c.

{
    WCHAR szParameters[MAX_PATH];
    StringCchCopyW(szParameters, ARRAYSIZE(szParameters), L"shell32.dll,Control_RunDLL ");
    if (FAILED(StringCchCatW(szParameters, ARRAYSIZE(szParameters), lpCmd)))
        return 0;
 
    return RUNDLL(szParameters);
}

Referenced by DECLARE_INTERFACE_(), and wWinMain().

wWinMain()

INT WINAPI wWinMain	(	HINSTANCE	hInstance,
		HINSTANCE	hPrevInstance,
		LPWSTR	lpCmdLine,
		INT	nCmdShow
	)

Definition at line 104 of file control.c.

{
    HKEY hKey;
    LPWSTR *argv;
    int argc;
 
    /* Show the control panel window if no argument or "panel" was passed */
    if (*lpCmdLine == 0 || !_wcsicmp(lpCmdLine, L"panel"))
        return OpenShellFolder(L"");
 
    /* Map legacy control panels */
    if (!_wcsicmp(lpCmdLine, L"sticpl.cpl")) lpCmdLine = (LPWSTR) L"scannercamera";
 
    /* Check one of the built-in control panel handlers */
    if (!_wcsicmp(lpCmdLine, L"admintools"))           return OpenShellFolder(L"\\::{D20EA4E1-3957-11d2-A40B-0C5020524153}");
    else if (!_wcsicmp(lpCmdLine, L"color"))           return RunControlPanel(L"desk.cpl,,2");
    else if (!_wcsicmp(lpCmdLine, L"date/time"))       return RunControlPanel(L"timedate.cpl");
    else if (!_wcsicmp(lpCmdLine, L"desktop"))         return RunControlPanel(L"desk.cpl");
    else if (!_wcsicmp(lpCmdLine, L"folders"))         return RUNDLL(L"shell32.dll,Options_RunDLL");
    else if (!_wcsicmp(lpCmdLine, L"fonts"))           return OpenShellFolder(L"\\::{D20EA4E1-3957-11d2-A40B-0C5020524152}");
    else if (!_wcsicmp(lpCmdLine, L"infrared"))        return RunControlPanel(L"irprops.cpl");
    else if (!_wcsicmp(lpCmdLine, L"international"))   return RunControlPanel(L"intl.cpl");
    else if (!_wcsicmp(lpCmdLine, L"keyboard"))        return RunControlPanel(L"main.cpl @1");
    else if (!_wcsicmp(lpCmdLine, L"mouse"))           return RunControlPanel(L"main.cpl @0");
    else if (!_wcsicmp(lpCmdLine, L"netconnections"))  return OpenShellFolder(L"\\::{7007ACC7-3202-11D1-AAD2-00805FC1270E}");
    else if (!_wcsicmp(lpCmdLine, L"netware"))         return RunControlPanel(L"nwc.cpl");
    else if (!_wcsicmp(lpCmdLine, L"ports"))           return RunControlPanel(L"sysdm.cpl,,1");
    else if (!_wcsicmp(lpCmdLine, L"printers"))        return OpenShellFolder(L"\\::{2227A280-3AEA-1069-A2DE-08002B30309D}");
    else if (!_wcsicmp(lpCmdLine, L"scannercamera"))   return OpenShellFolder(L"\\::{E211B736-43FD-11D1-9EFB-0000F8757FCD}");
    else if (!_wcsicmp(lpCmdLine, L"schedtasks"))      return OpenShellFolder(L"\\::{D6277990-4C6A-11CF-8D87-00AA0060F5BF}");
    else if (!_wcsicmp(lpCmdLine, L"telephony"))       return RunControlPanel(L"telephon.cpl");
    else if (!_wcsicmp(lpCmdLine, L"userpasswords"))   return RunControlPanel(L"nusrmgr.cpl");       /* Graphical User Account Manager */
    else if (!_wcsicmp(lpCmdLine, L"userpasswords2"))  return RUNDLL(L"netplwiz.dll,UsersRunDll");   /* Dialog based advanced User Account Manager */
 
    /* https://learn.microsoft.com/en-us/windows/win32/shell/executing-control-panel-items#windows-vista-canonical-names */
    argv = CommandLineToArgvW(lpCmdLine, &argc);
    if (argv)
    {
        UINT argi = 0;
        HRESULT hr = -1;
        if (argc >= 2 && IsSwitch(L"name", argv[argi + 0]))
        {
            LPCWSTR pszPage = NULL;
            if (argc >= 4 && IsSwitch(L"page", argv[argi + 2]))
            {
                pszPage = argv[argi + 3];
            }
            hr = OpenControlPanelItem(argv[argi + 1], pszPage);
        }
        LocalFree(argv);
        if (hr != -1)
        {
            return SUCCEEDED(hr);
        }
    }
 
    /* It is none of them, so look for a handler in the registry */
    if (RegOpenKeyExW(HKEY_LOCAL_MACHINE,
                      L"Software\\Microsoft\\Windows\\CurrentVersion\\Control Panel\\Cpls",
                      0,
                      KEY_QUERY_VALUE,
                      &hKey) == ERROR_SUCCESS)
    {
        DWORD dwIndex;
 
        for (dwIndex = 0; ; ++dwIndex)
        {
            DWORD dwDataSize;
            DWORD dwValueSize = MAX_VALUE_NAME;
            WCHAR szValueName[MAX_VALUE_NAME];
 
            /* Get the value name and data size */
            if (RegEnumValueW(hKey,
                              dwIndex,
                              szValueName,
                              &dwValueSize,
                              0,
                              NULL,
                              NULL,
                              &dwDataSize) != ERROR_SUCCESS)
            {
                break;
            }
 
            /* Check if the parameter is the value name */
            if (!_wcsicmp(lpCmdLine, szValueName))
            {
                /*
                 * Allocate memory for the data plus two more characters,
                 * so we can quote the file name if required.
                 */
                LPWSTR pszData;
                pszData = HeapAlloc(GetProcessHeap(),
                                    0,
                                    dwDataSize + 2 * sizeof(WCHAR));
                ++pszData;
 
                /*
                 * This value is the one we are looking for, so get the data.
                 * It is the path to a .cpl file.
                 */
                if (RegQueryValueExW(hKey,
                                     szValueName,
                                     0,
                                     NULL,
                                     (LPBYTE)pszData,
                                     &dwDataSize) == ERROR_SUCCESS)
                {
                    INT nReturnValue;
 
                    /* Quote the file name if required */
                    if (*pszData != L'\"')
                    {
                        *(--pszData) = L'\"';
                        pszData[dwDataSize / sizeof(WCHAR)] = L'\"';
                        pszData[(dwDataSize / sizeof(WCHAR)) + 1] = 0;
                    }
 
                    nReturnValue = RunControlPanel(pszData);
                    HeapFree(GetProcessHeap(), 0, pszData);
                    RegCloseKey(hKey);
 
                    return nReturnValue;
                }
 
                HeapFree(GetProcessHeap(), 0, pszData);
            }
        }
 
        RegCloseKey(hKey);
    }
 
    /*
     * It's none of the known parameters, so interpret the parameter
     * as the file name of a control panel applet.
     */
    return RunControlPanel(lpCmdLine);
}