base/applications/control/control.c

   1 /*
   2  * PROJECT:     ReactOS System Control Panel
   3  * LICENSE:     GPL-2.0+ (https://spdx.org/licenses/GPL-2.0+)
   4  * PURPOSE:     ReactOS System Control Panel
   5  * COPYRIGHT:   Copyright 2004 Gero Kuehn (reactos.filter@gkware.com)
   6  *              Copyright 2008 Colin Finck (colin@reactos.org)
   7  *              Copyright 2014 Hermès Bélusca-Maïto (hermes.belusca-maito@reactos.org)
   8  */
   9
  10 #include <stdio.h>
  11
  12 #define WIN32_NO_STATUS
  13
  14 #include <windef.h>
  15 #include <winbase.h>
  16 #include <winuser.h>
  17 #include <winreg.h>
  18 #include <shellapi.h>
  19 #include <strsafe.h>
  20
  21 #include "resource.h"
  22
  23 #define MAX_VALUE_NAME 16383
  24
  25 /*
  26  * Macro for calling "rundll32.exe"
  27  * According to MSDN, ShellExecute returns a value greater than 32
  28  * if the operation was successful.
  29  */
  30 #define RUNDLL(param)   \
  31     ((INT_PTR)ShellExecuteW(NULL, L"open", L"rundll32.exe", (param), NULL, SW_SHOWDEFAULT) > 32)
  32
  33 VOID
  34 WINAPI
  35 Control_RunDLLW(HWND hWnd, HINSTANCE hInst, LPCWSTR cmd, DWORD nCmdShow);
  36
  37 static INT
  38 OpenShellFolder(LPWSTR lpFolderCLSID)
  39 {
  40     WCHAR szParameters[MAX_PATH];
  41
  42     /*
  43      * Open a shell folder using "explorer.exe". The passed CLSIDs
  44      * are all subfolders of the "Control Panel" shell folder.
  45      */
  46     StringCbCopy(szParameters, sizeof(szParameters), L"/n,::{20D04FE0-3AEA-1069-A2D8-08002B30309D}\\::{21EC2020-3AEA-1069-A2DD-08002B30309D}");
  47     StringCbCat(szParameters,sizeof(szParameters), lpFolderCLSID);
  48
  49     return (INT_PTR)ShellExecuteW(NULL,
  50                                   L"open",
  51                                   L"explorer.exe",
  52                                   szParameters,
  53                                   NULL,
  54                                   SW_SHOWDEFAULT) > 32;
  55 }
  56
  57 static INT
  58 RunControlPanel(LPCWSTR lpCmd)
  59 {
  60     /*
  61      * Old method:
  62      *
  63     WCHAR szParameters[MAX_PATH];
  64     wcscpy(szParameters, L"shell32.dll,Control_RunDLL ");
  65     wcscat(szParameters, lpCmd);
  66     return RUNDLL(szParameters);
  67      */
  68
  69     /* New method: */
  70     Control_RunDLLW(GetDesktopWindow(), 0, lpCmd, SW_SHOW);
  71     return 1;
  72 }
  73
  74 INT
  75 WINAPI
  76 wWinMain(HINSTANCE hInstance,
  77          HINSTANCE hPrevInstance,
  78          LPWSTR lpCmdLine,
  79          INT nCmdShow)
  80 {
  81     HKEY hKey;
  82
  83     /* Show the control panel window if no argument or "panel" was passed */
  84     if (*lpCmdLine == 0 || !_wcsicmp(lpCmdLine, L"panel"))
  85         return OpenShellFolder(L"");
  86
  87     /* Check one of the built-in control panel handlers */
  88     if (!_wcsicmp(lpCmdLine, L"admintools"))           return OpenShellFolder(L"\\::{D20EA4E1-3957-11d2-A40B-0C5020524153}");
  89     else if (!_wcsicmp(lpCmdLine, L"color"))           return RunControlPanel(L"desk.cpl");       /* TODO: Switch to the "Apperance" tab */
  90     else if (!_wcsicmp(lpCmdLine, L"date/time"))       return RunControlPanel(L"timedate.cpl");
  91     else if (!_wcsicmp(lpCmdLine, L"desktop"))         return RunControlPanel(L"desk.cpl");
  92     else if (!_wcsicmp(lpCmdLine, L"folders"))         return RUNDLL(L"shell32.dll,Options_RunDLL");
  93     else if (!_wcsicmp(lpCmdLine, L"fonts"))           return OpenShellFolder(L"\\::{D20EA4E1-3957-11d2-A40B-0C5020524152}");
  94     else if (!_wcsicmp(lpCmdLine, L"infrared"))        return RunControlPanel(L"irprops.cpl");
  95     else if (!_wcsicmp(lpCmdLine, L"international"))   return RunControlPanel(L"intl.cpl");
  96     else if (!_wcsicmp(lpCmdLine, L"keyboard"))        return RunControlPanel(L"main.cpl @1");
  97     else if (!_wcsicmp(lpCmdLine, L"mouse"))           return RunControlPanel(L"main.cpl @0");
  98     else if (!_wcsicmp(lpCmdLine, L"netconnections"))  return OpenShellFolder(L"\\::{7007ACC7-3202-11D1-AAD2-00805FC1270E}");
  99     else if (!_wcsicmp(lpCmdLine, L"netware"))         return RunControlPanel(L"nwc.cpl");
 100     else if (!_wcsicmp(lpCmdLine, L"ports"))           return RunControlPanel(L"sysdm.cpl");      /* TODO: Switch to the "Computer Name" tab */
 101     else if (!_wcsicmp(lpCmdLine, L"printers"))        return OpenShellFolder(L"\\::{2227A280-3AEA-1069-A2DE-08002B30309D}");
 102     else if (!_wcsicmp(lpCmdLine, L"scannercamera"))   return OpenShellFolder(L"\\::{E211B736-43FD-11D1-9EFB-0000F8757FCD}");
 103     else if (!_wcsicmp(lpCmdLine, L"schedtasks"))      return OpenShellFolder(L"\\::{D6277990-4C6A-11CF-8D87-00AA0060F5BF}");
 104     else if (!_wcsicmp(lpCmdLine, L"telephony"))       return RunControlPanel(L"telephon.cpl");
 105     else if (!_wcsicmp(lpCmdLine, L"userpasswords"))   return RunControlPanel(L"nusrmgr.cpl");       /* Graphical User Account Manager */
 106     else if (!_wcsicmp(lpCmdLine, L"userpasswords2"))  return RUNDLL(L"netplwiz.dll,UsersRunDll");   /* Dialog based advanced User Account Manager */
 107
 108     /* It is none of them, so look for a handler in the registry */
 109     if (RegOpenKeyExW(HKEY_LOCAL_MACHINE,
 110                       L"Software\\Microsoft\\Windows\\CurrentVersion\\Control Panel\\Cpls",
 111                       0,
 112                       KEY_QUERY_VALUE,
 113                       &hKey) == ERROR_SUCCESS)
 114     {
 115         DWORD dwIndex;
 116
 117         for (dwIndex = 0; ; ++dwIndex)
 118         {
 119             DWORD dwDataSize;
 120             DWORD dwValueSize = MAX_VALUE_NAME;
 121             WCHAR szValueName[MAX_VALUE_NAME];
 122
 123             /* Get the value name and data size */
 124             if (RegEnumValueW(hKey,
 125                               dwIndex,
 126                               szValueName,
 127                               &dwValueSize,
 128                               0,
 129                               NULL,
 130                               NULL,
 131                               &dwDataSize) != ERROR_SUCCESS)
 132             {
 133                 break;
 134             }
 135
 136             /* Check if the parameter is the value name */
 137             if (!_wcsicmp(lpCmdLine, szValueName))
 138             {
 139                 /*
 140                  * Allocate memory for the data plus two more characters,
 141                  * so we can quote the file name if required.
 142                  */
 143                 LPWSTR pszData;
 144                 pszData = HeapAlloc(GetProcessHeap(),
 145                                     0,
 146                                     dwDataSize + 2 * sizeof(WCHAR));
 147                 ++pszData;
 148
 149                 /*
 150                  * This value is the one we are looking for, so get the data.
 151                  * It is the path to a .cpl file.
 152                  */
 153                 if (RegQueryValueExW(hKey,
 154                                      szValueName,
 155                                      0,
 156                                      NULL,
 157                                      (LPBYTE)pszData,
 158                                      &dwDataSize) == ERROR_SUCCESS)
 159                 {
 160                     INT nReturnValue;
 161
 162                     /* Quote the file name if required */
 163                     if (*pszData != L'\"')
 164                     {
 165                         *(--pszData) = L'\"';
 166                         pszData[dwDataSize / sizeof(WCHAR)] = L'\"';
 167                         pszData[(dwDataSize / sizeof(WCHAR)) + 1] = 0;
 168                     }
 169
 170                     nReturnValue = RunControlPanel(pszData);
 171                     HeapFree(GetProcessHeap(), 0, pszData);
 172                     RegCloseKey(hKey);
 173
 174                     return nReturnValue;
 175                 }
 176
 177                 HeapFree(GetProcessHeap(), 0, pszData);
 178             }
 179         }
 180
 181         RegCloseKey(hKey);
 182     }
 183
 184     /*
 185      * It's none of the known parameters, so interpret the parameter
 186      * as the file name of a control panel applet.
 187      */
 188     return RunControlPanel(lpCmdLine);
 189 }