ReactOS  0.4.15-dev-1397-g19779b3
control.c
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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
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  StringCbCopyW(szParameters, sizeof(szParameters), L"/n,::{20D04FE0-3AEA-1069-A2D8-08002B30309D}\\::{21EC2020-3AEA-1069-A2DD-08002B30309D}");
47  StringCbCatW(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
59 {
60  WCHAR szParameters[MAX_PATH];
61  StringCchCopyW(szParameters, ARRAYSIZE(szParameters), L"shell32.dll,Control_RunDLL ");
62  if (FAILED(StringCchCatW(szParameters, ARRAYSIZE(szParameters), lpCmd)))
63  return 0;
64 
65  return RUNDLL(szParameters);
66 }
67 
68 INT
69 WINAPI
71  HINSTANCE hPrevInstance,
72  LPWSTR lpCmdLine,
73  INT nCmdShow)
74 {
75  HKEY hKey;
76 
77  /* Show the control panel window if no argument or "panel" was passed */
78  if (*lpCmdLine == 0 || !_wcsicmp(lpCmdLine, L"panel"))
79  return OpenShellFolder(L"");
80 
81  /* Check one of the built-in control panel handlers */
82  if (!_wcsicmp(lpCmdLine, L"admintools")) return OpenShellFolder(L"\\::{D20EA4E1-3957-11d2-A40B-0C5020524153}");
83  else if (!_wcsicmp(lpCmdLine, L"color")) return RunControlPanel(L"desk.cpl,,2");
84  else if (!_wcsicmp(lpCmdLine, L"date/time")) return RunControlPanel(L"timedate.cpl");
85  else if (!_wcsicmp(lpCmdLine, L"desktop")) return RunControlPanel(L"desk.cpl");
86  else if (!_wcsicmp(lpCmdLine, L"folders")) return RUNDLL(L"shell32.dll,Options_RunDLL");
87  else if (!_wcsicmp(lpCmdLine, L"fonts")) return OpenShellFolder(L"\\::{D20EA4E1-3957-11d2-A40B-0C5020524152}");
88  else if (!_wcsicmp(lpCmdLine, L"infrared")) return RunControlPanel(L"irprops.cpl");
89  else if (!_wcsicmp(lpCmdLine, L"international")) return RunControlPanel(L"intl.cpl");
90  else if (!_wcsicmp(lpCmdLine, L"keyboard")) return RunControlPanel(L"main.cpl @1");
91  else if (!_wcsicmp(lpCmdLine, L"mouse")) return RunControlPanel(L"main.cpl @0");
92  else if (!_wcsicmp(lpCmdLine, L"netconnections")) return OpenShellFolder(L"\\::{7007ACC7-3202-11D1-AAD2-00805FC1270E}");
93  else if (!_wcsicmp(lpCmdLine, L"netware")) return RunControlPanel(L"nwc.cpl");
94  else if (!_wcsicmp(lpCmdLine, L"ports")) return RunControlPanel(L"sysdm.cpl,,1");
95  else if (!_wcsicmp(lpCmdLine, L"printers")) return OpenShellFolder(L"\\::{2227A280-3AEA-1069-A2DE-08002B30309D}");
96  else if (!_wcsicmp(lpCmdLine, L"scannercamera")) return OpenShellFolder(L"\\::{E211B736-43FD-11D1-9EFB-0000F8757FCD}");
97  else if (!_wcsicmp(lpCmdLine, L"schedtasks")) return OpenShellFolder(L"\\::{D6277990-4C6A-11CF-8D87-00AA0060F5BF}");
98  else if (!_wcsicmp(lpCmdLine, L"telephony")) return RunControlPanel(L"telephon.cpl");
99  else if (!_wcsicmp(lpCmdLine, L"userpasswords")) return RunControlPanel(L"nusrmgr.cpl"); /* Graphical User Account Manager */
100  else if (!_wcsicmp(lpCmdLine, L"userpasswords2")) return RUNDLL(L"netplwiz.dll,UsersRunDll"); /* Dialog based advanced User Account Manager */
101 
102  /* It is none of them, so look for a handler in the registry */
104  L"Software\\Microsoft\\Windows\\CurrentVersion\\Control Panel\\Cpls",
105  0,
107  &hKey) == ERROR_SUCCESS)
108  {
109  DWORD dwIndex;
110 
111  for (dwIndex = 0; ; ++dwIndex)
112  {
113  DWORD dwDataSize;
114  DWORD dwValueSize = MAX_VALUE_NAME;
115  WCHAR szValueName[MAX_VALUE_NAME];
116 
117  /* Get the value name and data size */
118  if (RegEnumValueW(hKey,
119  dwIndex,
120  szValueName,
121  &dwValueSize,
122  0,
123  NULL,
124  NULL,
125  &dwDataSize) != ERROR_SUCCESS)
126  {
127  break;
128  }
129 
130  /* Check if the parameter is the value name */
131  if (!_wcsicmp(lpCmdLine, szValueName))
132  {
133  /*
134  * Allocate memory for the data plus two more characters,
135  * so we can quote the file name if required.
136  */
137  LPWSTR pszData;
138  pszData = HeapAlloc(GetProcessHeap(),
139  0,
140  dwDataSize + 2 * sizeof(WCHAR));
141  ++pszData;
142 
143  /*
144  * This value is the one we are looking for, so get the data.
145  * It is the path to a .cpl file.
146  */
148  szValueName,
149  0,
150  NULL,
151  (LPBYTE)pszData,
152  &dwDataSize) == ERROR_SUCCESS)
153  {
154  INT nReturnValue;
155 
156  /* Quote the file name if required */
157  if (*pszData != L'\"')
158  {
159  *(--pszData) = L'\"';
160  pszData[dwDataSize / sizeof(WCHAR)] = L'\"';
161  pszData[(dwDataSize / sizeof(WCHAR)) + 1] = 0;
162  }
163 
164  nReturnValue = RunControlPanel(pszData);
165  HeapFree(GetProcessHeap(), 0, pszData);
166  RegCloseKey(hKey);
167 
168  return nReturnValue;
169  }
170 
171  HeapFree(GetProcessHeap(), 0, pszData);
172  }
173  }
174 
175  RegCloseKey(hKey);
176  }
177 
178  /*
179  * It's none of the known parameters, so interpret the parameter
180  * as the file name of a control panel applet.
181  */
182  return RunControlPanel(lpCmdLine);
183 }
#define SW_SHOWDEFAULT
Definition: winuser.h:774
static INT OpenShellFolder(LPWSTR lpFolderCLSID)
Definition: control.c:38
#define ERROR_SUCCESS
Definition: deptool.c:10
const WCHAR * LPCWSTR
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HWND hWnd
Definition: settings.c:17
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Definition: filtermapper.c:47
int32_t INT_PTR
Definition: typedefs.h:64
int32_t INT
Definition: typedefs.h:58
STRSAFEAPI StringCbCatW(STRSAFE_LPWSTR pszDest, size_t cbDest, STRSAFE_LPCWSTR pszSrc)
Definition: strsafe.h:342
STRSAFEAPI StringCchCatW(STRSAFE_LPWSTR pszDest, size_t cchDest, STRSAFE_LPCWSTR pszSrc)
Definition: strsafe.h:325
HINSTANCE hInstance
Definition: charmap.c:20
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Definition: reg.c:423
unsigned char * LPBYTE
Definition: typedefs.h:53
STRSAFEAPI StringCchCopyW(STRSAFE_LPWSTR pszDest, size_t cchDest, STRSAFE_LPCWSTR pszSrc)
Definition: strsafe.h:149
VOID WINAPI Control_RunDLLW(HWND hWnd, HINSTANCE hInst, LPCWSTR cmd, DWORD nCmdShow)
Definition: control.c:873
LONG WINAPI RegEnumValueW(_In_ HKEY hKey, _In_ DWORD index, _Out_ LPWSTR value, _Inout_ PDWORD val_count, _Reserved_ PDWORD reserved, _Out_opt_ PDWORD type, _Out_opt_ LPBYTE data, _Inout_opt_ PDWORD count)
Definition: reg.c:2853
#define MAX_VALUE_NAME
Definition: control.c:23
#define GetProcessHeap()
Definition: compat.h:595
PVOID WINAPI HeapAlloc(HANDLE, DWORD, SIZE_T)
LONG WINAPI RegQueryValueExW(_In_ HKEY hkeyorg, _In_ LPCWSTR name, _In_ LPDWORD reserved, _In_ LPDWORD type, _In_ LPBYTE data, _In_ LPDWORD count)
Definition: reg.c:4116
__wchar_t WCHAR
Definition: xmlstorage.h:180
#define MAX_PATH
Definition: compat.h:34
#define WINAPI
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unsigned long DWORD
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INT WINAPI wWinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPWSTR lpCmdLine, INT nCmdShow)
Definition: control.c:70
static const WCHAR L[]
Definition: oid.c:1250
static INT RunControlPanel(LPCWSTR lpCmd)
Definition: control.c:58
HINSTANCE hInst
Definition: dxdiag.c:13
FxAutoRegKey hKey
#define KEY_QUERY_VALUE
Definition: nt_native.h:1016
#define NULL
Definition: types.h:112
#define RUNDLL(param)
Definition: control.c:30
HINSTANCE WINAPI ShellExecuteW(HWND hwnd, LPCWSTR lpVerb, LPCWSTR lpFile, LPCWSTR lpParameters, LPCWSTR lpDirectory, INT nShowCmd)
Definition: shlexec.cpp:2274
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WCHAR * LPWSTR
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STRSAFEAPI StringCbCopyW(STRSAFE_LPWSTR pszDest, size_t cbDest, STRSAFE_LPCWSTR pszSrc)
Definition: strsafe.h:166
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_Check_return_ _CRTIMP int __cdecl _wcsicmp(_In_z_ const wchar_t *_Str1, _In_z_ const wchar_t *_Str2)
#define HKEY_LOCAL_MACHINE
Definition: winreg.h:12