745 lines
17 KiB
C
745 lines
17 KiB
C
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/*****************************************************************************
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*
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* DIReg.c
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*
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* Copyright (c) 1996 Microsoft Corporation. All Rights Reserved.
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*
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* Abstract:
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*
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* OLE self-registration.
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*
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* Contents:
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*
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* DllRegisterServer()
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* DllUnregisterServer()
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*
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*****************************************************************************/
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#include "dinputpr.h"
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/*****************************************************************************
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*
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* The sqiffle for this file.
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*
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*****************************************************************************/
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#define sqfl sqflDll
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/*****************************************************************************
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*
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* RegSetStringEx
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*
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* Add a REG_SZ to hkey\sub::value.
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*
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*****************************************************************************/
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void INTERNAL
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RegSetStringEx(HKEY hk, LPCTSTR ptszValue, LPCTSTR ptszData)
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{
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LONG lRc = RegSetValueEx(hk, ptszValue, 0, REG_SZ,
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(PV)ptszData, cbCtch(lstrlen(ptszData)+1));
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}
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/*****************************************************************************
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*
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* RegDelStringEx
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*
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* Remove a REG_SZ from hkey\sub::value. The data is ignored.
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* It's passed so that RegDelStringEx matches the prototype for a
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* REGSTRINGACTION.
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*
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*****************************************************************************/
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void INTERNAL
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RegDelStringEx(HKEY hk, LPCTSTR ptszValue, LPCTSTR ptszData)
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{
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LONG lRc = RegDeleteValue(hk, ptszValue);
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}
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/*****************************************************************************
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*
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* RegCloseFinish
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*
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* Just close the subkey already.
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*
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*****************************************************************************/
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void INTERNAL
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RegCloseFinish(HKEY hk, LPCTSTR ptszSub, HKEY hkSub)
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{
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LONG lRc = RegCloseKey(hkSub);
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}
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/*****************************************************************************
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*
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* RegDelFinish
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*
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* Delete a key if there is nothing in it.
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*
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* OLE unregistration rules demand that you not delete a key if OLE
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* has added something to it.
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*
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*****************************************************************************/
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void INTERNAL
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RegDelFinish(HKEY hk, LPCTSTR ptszSub, HKEY hkSub)
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{
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LONG lRc;
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DWORD cKeys = 0, cValues = 0;
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RegQueryInfoKey(hkSub, 0, 0, 0, &cKeys, 0, 0, &cValues, 0, 0, 0, 0);
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RegCloseKey(hkSub);
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if ((cKeys | cValues) == 0) {
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#ifdef WINNT
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lRc = DIWinnt_RegDeleteKey(hk, ptszSub);
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#else
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lRc = RegDeleteKey(hk, ptszSub);
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#endif
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} else {
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lRc = 0;
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}
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}
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#ifdef WINNT //The following are only used on WINNT
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/*****************************************************************************
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*
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* @doc INTERNAL
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*
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* @func void | RegSetPermissionsOnDescendants |
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*
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* Sets the specified permissions on all descendants of the specified key.
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*
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* @parm HKEY | hKey |
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*
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* The reg key on whose descendants we're operating.
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*
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* @parm SECURITY_DESCRIPTOR* | psd |
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*
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* Ptr to the SECURITY_DESCRIPTOR we're using.
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*
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* @returns
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*
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* Nothing.
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* Note that this recurses while having TCHAR szKeyName[MAX_PATH+1]
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* for each level. If stack space is a concern, can allocate it on the heap,
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* and free after obtain the HKEY (i.e. before recursing).
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*
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*****************************************************************************/
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void INTERNAL
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RegSetPermissionsOnDescendants(HKEY hKey, SECURITY_DESCRIPTOR* psd)
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{
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DWORD dwIndex = 0;
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LONG lRetCode = ERROR_SUCCESS;
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while (lRetCode == ERROR_SUCCESS)
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{
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TCHAR szKeyName[MAX_PATH+1];
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DWORD cbKeyName = MAX_PATH+1;
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lRetCode = RegEnumKeyEx(hKey,
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dwIndex,
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szKeyName,
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&cbKeyName,
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NULL, NULL, NULL, NULL);
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if (lRetCode == ERROR_SUCCESS)
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{
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LONG lRetSub;
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HKEY hkSubKey;
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lRetSub = RegOpenKeyEx(hKey, szKeyName, 0, DI_KEY_ALL_ACCESS | WRITE_DAC, &hkSubKey);
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if (lRetSub == ERROR_SUCCESS)
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{
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//set security on it and its descendants
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lRetSub = RegSetKeySecurity(hkSubKey,
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(SECURITY_INFORMATION)DACL_SECURITY_INFORMATION,
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psd);
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RegSetPermissionsOnDescendants(hkSubKey, psd);
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RegCloseKey(hkSubKey);
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if(lRetSub != ERROR_SUCCESS)
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{
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RPF("Couldn't RegSetKeySecurity on %hs", szKeyName);
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}
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}
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else
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{
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RPF("Couldn't open enumed subkey %hs", szKeyName);
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}
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dwIndex++;
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}
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}
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}
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/*****************************************************************************
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*
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* @doc INTERNAL
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*
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* @func HRESULT | RegSetSecurity |
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*
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* Set the security of
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* SYSTEM\\CurrentControlSet\\Control\\MediaProperties\\PrivateProperties\\Joystick\\OEM
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* SYSTEM\\CurrentControlSet\\Control\\MediaResources\\Joystick\\Dinput.dll
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* to be accessible to Everyone on Win2K,
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*. to be accessible to Everyone but without WRITE_DAC and WRITE_OWNER permissions on WinXP;
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* SYSTEM\\CurrentControlSet\\Control\\MediaProperties\\PrivateProperties\\DirectInput
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* to be accessible to Everyone but without WRITE_DAC and WRITE_OWNER permissions on Win2k and WinXP.
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*
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* @returns
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*
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* S_OK on success, E_FAIL on error.
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*
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*****************************************************************************/
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HRESULT INTERNAL
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RegSetSecurity(void)
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{
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SID_IDENTIFIER_AUTHORITY sia = SECURITY_WORLD_SID_AUTHORITY;
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PSID pEveryoneSid = NULL;
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SECURITY_DESCRIPTOR sd;
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PACL pDacl = NULL;
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DWORD dwAclSize;
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HKEY hkOEM, hkJoy, hkDin, hkPP, hkMedR, hkJDi;
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LONG lRetCode;
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BOOL bSuccess = FALSE; // assume this function fails
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BOOL bWinXP = FALSE;
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//determine whether we're running on Win2k or WinXP, since we would like
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//on Win2k to emulate the same behaviour as previously, but set different reg key
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//permissions on WinXp (see Whistler bugs 318865, 326784).
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if (DIGetOSVersion() == WINWH_OS)
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{
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bWinXP = TRUE;
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}
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//
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// open the keys for WRITE_DAC access
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//
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//MediaProperties/PrivateProperties/DirectInput
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lRetCode = RegOpenKeyEx(
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HKEY_LOCAL_MACHINE,
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REGSTR_PATH_PRIVATEPROPERTIES,
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0,
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KEY_WRITE,
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&hkPP
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);
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if(lRetCode != ERROR_SUCCESS) {
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RPF("Couldn't open REGSTR_PATH_PRIVATEPROPERTIES");
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return E_FAIL;
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}
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lRetCode = RegCreateKeyEx(
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hkPP,
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TEXT("DirectInput"),
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0,
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NULL,
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REG_OPTION_NON_VOLATILE,
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DI_KEY_ALL_ACCESS | WRITE_DAC,
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NULL,
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&hkDin,
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NULL
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);
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if(lRetCode != ERROR_SUCCESS) {
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RPF("Couldn't open DirectInput");
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return E_FAIL;
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}
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//MediaResources/Joystick/Dinput.dll
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lRetCode = RegOpenKeyEx(
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HKEY_LOCAL_MACHINE,
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REGSTR_PATH_MEDIARESOURCES,
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0,
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KEY_WRITE,
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&hkMedR
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);
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if(lRetCode != ERROR_SUCCESS) {
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RPF("Couldn't open REGSTR_PATH_MEDIARESOURCES");
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return E_FAIL;
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}
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//on Win2K, we need to create MediaResources\Joystick\Dinput.dll reg key w/ KEY_ALL_ACCESS (Whistler bug 326874)
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if (bWinXP == TRUE)
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{
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lRetCode = RegCreateKeyEx(
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hkMedR,
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TEXT("Joystick"),
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0,
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NULL,
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REG_OPTION_NON_VOLATILE,
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KEY_WRITE,
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NULL,
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&hkJoy,
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NULL
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);
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if(lRetCode != ERROR_SUCCESS) {
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RPF("Couldn't open Joystick");
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return E_FAIL;
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}
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lRetCode = RegCreateKeyEx(
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hkJoy,
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TEXT("Dinput.dll"),
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0,
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NULL,
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REG_OPTION_NON_VOLATILE,
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DI_KEY_ALL_ACCESS | WRITE_DAC,
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NULL,
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&hkJDi,
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NULL
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);
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if(lRetCode != ERROR_SUCCESS) {
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RPF("Couldn't open Dinput.dll");
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return E_FAIL;
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}
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//MediaProperties/Joystick/OEM
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lRetCode = RegOpenKeyEx(
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HKEY_LOCAL_MACHINE,
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REGSTR_PATH_JOYOEM,
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0,
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WRITE_DAC | KEY_ENUMERATE_SUB_KEYS,
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&hkOEM
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);
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if(lRetCode != ERROR_SUCCESS) {
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RPF("Couldn't open REGSTR_PATH_JOYOEM");
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return E_FAIL;
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}
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}
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else
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{
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lRetCode = RegCreateKeyEx(
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hkMedR,
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TEXT("Joystick"),
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0,
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NULL,
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REG_OPTION_NON_VOLATILE,
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KEY_ALL_ACCESS,
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NULL,
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&hkJoy,
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NULL
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);
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if(lRetCode != ERROR_SUCCESS) {
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RPF("Couldn't open Joystick");
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return E_FAIL;
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}
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lRetCode = RegCreateKeyEx(
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hkJoy,
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TEXT("Dinput.dll"),
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0,
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NULL,
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REG_OPTION_NON_VOLATILE,
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KEY_ALL_ACCESS,
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NULL,
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&hkJDi,
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NULL
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);
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if(lRetCode != ERROR_SUCCESS) {
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RPF("Couldn't open Dinput.dll");
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return E_FAIL;
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}
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}
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//
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// prepare a Sid representing any Interactively logged-on user
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//
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if(!AllocateAndInitializeSid(
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&sia,
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1,
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SECURITY_WORLD_RID,
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0, 0, 0, 0, 0, 0, 0,
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&pEveryoneSid
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))
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{
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RPF("Couldn't AllocateAndInitializeSid");
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goto cleanup;
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}
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//
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// compute size of new acl
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//
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dwAclSize = sizeof(ACL) + sizeof(ACCESS_ALLOWED_ACE) - sizeof(DWORD)
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+ GetLengthSid(pEveryoneSid);
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//
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// allocate storage for Acl
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//
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pDacl = (PACL)HeapAlloc(GetProcessHeap(), 0, dwAclSize);
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if(pDacl == NULL) {
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RPF("pACl is NULL");
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goto cleanup;
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}
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if(!InitializeAcl(pDacl, dwAclSize, ACL_REVISION)) {
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RPF("Couldn't InitializeAcl");
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goto cleanup;
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}
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//
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// grant the Interactive Sid KEY_READ access to the perf key
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//
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if(!AddAccessAllowedAceEx(
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pDacl,
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ACL_REVISION,
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CONTAINER_INHERIT_ACE,
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DI_KEY_ALL_ACCESS,
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pEveryoneSid
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))
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{
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RPF("Couldn't AddAccessAllowedAceEx");
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goto cleanup;
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}
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if(!InitializeSecurityDescriptor(&sd, SECURITY_DESCRIPTOR_REVISION))
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{
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RPF("Couldn't InitilizeSecurityDescriptor");
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goto cleanup;
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}
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if(!SetSecurityDescriptorDacl(&sd, TRUE, pDacl, FALSE))
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{
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RPF("Couldn't SetSecurityDescriptorDacl");
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goto cleanup;
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}
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//make sure that it is not overwritten by the parent's security changes
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if(!SetSecurityDescriptorControl(&sd, SE_DACL_PROTECTED, SE_DACL_PROTECTED))
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{
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RPF("Couldn't SetSecurityDescriptorControl");
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goto cleanup;
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}
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//
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// apply the security descriptor to the registry keys and their subkeys
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//
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//MediaProperties/PrivateProperties/DirectInput and its subkeys
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lRetCode = RegSetKeySecurity(
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hkDin,
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(SECURITY_INFORMATION)DACL_SECURITY_INFORMATION,
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&sd
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);
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if(lRetCode != ERROR_SUCCESS) {
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RPF("Couldn't RegSetKeySecurity on DirectInput");
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goto cleanup;
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}
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RegSetPermissionsOnDescendants(hkDin, &sd);
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//on WinXP, we set the same permissions on Joystick/OEM and MediaResources/Joystick/Dinput.dll and their subkeys
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if (bWinXP == TRUE)
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{
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//Joystick/OEM
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lRetCode = RegSetKeySecurity(
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hkOEM,
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(SECURITY_INFORMATION)DACL_SECURITY_INFORMATION,
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&sd
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);
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if(lRetCode != ERROR_SUCCESS) {
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RPF("Couldn't RegSetKeySecurity on OEM");
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goto cleanup;
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}
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RegSetPermissionsOnDescendants(hkOEM, &sd);
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//MediaResources/Joystick/Dinput.dll and its subkeys
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lRetCode = RegSetKeySecurity(
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hkJDi,
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(SECURITY_INFORMATION)DACL_SECURITY_INFORMATION,
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&sd
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);
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if(lRetCode != ERROR_SUCCESS) {
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RPF("Couldn't RegSetKeySecurity on Dinput.dll");
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goto cleanup;
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}
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RegSetPermissionsOnDescendants(hkJDi, &sd);
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//indicate success
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bSuccess = TRUE;
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}
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else
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{
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//on Win2K, we leave Joystick/OEM keys alone,
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//and give full access to MediaResources\Joystick\Dinput.dll and its subkeys to everyone
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||
|
PACL pDaclFull = NULL;
|
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|
pDaclFull = (PACL)HeapAlloc(GetProcessHeap(), 0, dwAclSize);
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||
|
if(pDaclFull == NULL) {
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||
|
RPF("pAClFull is NULL");
|
||
|
goto cleanupW2k;
|
||
|
}
|
||
|
|
||
|
if(!InitializeAcl(pDaclFull, dwAclSize, ACL_REVISION)) {
|
||
|
RPF("Couldn't InitializeAcl");
|
||
|
goto cleanupW2k;
|
||
|
}
|
||
|
|
||
|
if(!AddAccessAllowedAceEx(
|
||
|
pDaclFull,
|
||
|
ACL_REVISION,
|
||
|
CONTAINER_INHERIT_ACE,
|
||
|
KEY_ALL_ACCESS,
|
||
|
pEveryoneSid
|
||
|
))
|
||
|
{
|
||
|
RPF("Couldn't AddAccessAllowedAceEx");
|
||
|
goto cleanupW2k;
|
||
|
}
|
||
|
|
||
|
if(!SetSecurityDescriptorDacl(&sd, TRUE, pDaclFull, FALSE))
|
||
|
{
|
||
|
RPF("Couldn't SetSecurityDescriptorDacl");
|
||
|
goto cleanupW2k;
|
||
|
}
|
||
|
|
||
|
//make sure that it is not overwritten by the parent's security changes
|
||
|
if(!SetSecurityDescriptorControl(&sd, SE_DACL_PROTECTED, SE_DACL_PROTECTED))
|
||
|
{
|
||
|
RPF("Couldn't SetSecurityDescriptorControl");
|
||
|
goto cleanupW2k;
|
||
|
}
|
||
|
|
||
|
//apply it to the key and its subkeys
|
||
|
lRetCode = RegSetKeySecurity(
|
||
|
hkJoy,
|
||
|
(SECURITY_INFORMATION)DACL_SECURITY_INFORMATION,
|
||
|
&sd
|
||
|
);
|
||
|
|
||
|
if(lRetCode != ERROR_SUCCESS) {
|
||
|
RPF("Couldn't RegSetKeySecurity on Dinput.dll");
|
||
|
goto cleanupW2k;
|
||
|
}
|
||
|
|
||
|
lRetCode = RegSetKeySecurity(
|
||
|
hkJDi,
|
||
|
(SECURITY_INFORMATION)DACL_SECURITY_INFORMATION,
|
||
|
&sd
|
||
|
);
|
||
|
|
||
|
if(lRetCode != ERROR_SUCCESS) {
|
||
|
RPF("Couldn't RegSetKeySecurity on Dinput.dll");
|
||
|
goto cleanupW2k;
|
||
|
}
|
||
|
|
||
|
RegSetPermissionsOnDescendants(hkJDi, &sd);
|
||
|
|
||
|
//indicate success
|
||
|
bSuccess = TRUE;
|
||
|
|
||
|
cleanupW2k:;
|
||
|
if(pDaclFull != NULL)
|
||
|
{
|
||
|
HeapFree(GetProcessHeap(), 0, pDaclFull);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
|
||
|
cleanup:
|
||
|
|
||
|
RegCloseKey(hkOEM);
|
||
|
RegCloseKey(hkJDi);
|
||
|
RegCloseKey(hkDin);
|
||
|
RegCloseKey(hkPP);
|
||
|
RegCloseKey(hkMedR);
|
||
|
RegCloseKey(hkJoy);
|
||
|
|
||
|
//
|
||
|
// free allocated resources
|
||
|
//
|
||
|
if(pDacl != NULL) {
|
||
|
HeapFree(GetProcessHeap(), 0, pDacl);
|
||
|
}
|
||
|
|
||
|
if(pEveryoneSid != NULL) {
|
||
|
FreeSid(pEveryoneSid);
|
||
|
}
|
||
|
|
||
|
if(bSuccess) {
|
||
|
return S_OK;
|
||
|
} else {
|
||
|
return E_FAIL;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
|
||
|
/*****************************************************************************
|
||
|
*
|
||
|
* @doc INTERNAL
|
||
|
*
|
||
|
* @func HRESULT | DummyRegSetSecurity |
|
||
|
*
|
||
|
* Do nothing
|
||
|
*
|
||
|
* @returns
|
||
|
*
|
||
|
* S_OK.
|
||
|
*
|
||
|
*****************************************************************************/
|
||
|
|
||
|
HRESULT INTERNAL
|
||
|
DummyRegSetSecurity(void)
|
||
|
{
|
||
|
return S_OK;
|
||
|
}
|
||
|
|
||
|
#endif //WINNT
|
||
|
|
||
|
|
||
|
/*****************************************************************************
|
||
|
*
|
||
|
* REGVTBL
|
||
|
*
|
||
|
* Functions for dorking with a registry key, either coming or going.
|
||
|
*
|
||
|
*****************************************************************************/
|
||
|
|
||
|
typedef struct REGVTBL {
|
||
|
/* How to create/open a key */
|
||
|
LONG (INTERNAL *KeyAction)(HKEY hk, LPCTSTR ptszSub, PHKEY phkOut);
|
||
|
|
||
|
/* How to create/delete a string */
|
||
|
void (INTERNAL *StringAction)(HKEY hk, LPCTSTR ptszValue, LPCTSTR ptszData);
|
||
|
|
||
|
/* How to finish using a key */
|
||
|
void (INTERNAL *KeyFinish)(HKEY hk, LPCTSTR ptszSub, HKEY hkSub);
|
||
|
|
||
|
#ifdef WINNT
|
||
|
/* How to set security on OEM key */
|
||
|
HRESULT (INTERNAL *SetSecurity)( void );
|
||
|
#endif //WINNT
|
||
|
|
||
|
} REGVTBL, *PREGVTBL;
|
||
|
typedef const REGVTBL *PCREGVTBL;
|
||
|
|
||
|
#ifdef WINNT
|
||
|
const REGVTBL c_vtblAdd = { RegCreateKey, RegSetStringEx, RegCloseFinish, RegSetSecurity };
|
||
|
const REGVTBL c_vtblDel = { RegOpenKey, RegDelStringEx, RegDelFinish, DummyRegSetSecurity };
|
||
|
#else
|
||
|
const REGVTBL c_vtblAdd = { RegCreateKey, RegSetStringEx, RegCloseFinish };
|
||
|
const REGVTBL c_vtblDel = { RegOpenKey, RegDelStringEx, RegDelFinish };
|
||
|
#endif //WINNT
|
||
|
|
||
|
/*****************************************************************************
|
||
|
*
|
||
|
* @doc INTERNAL
|
||
|
*
|
||
|
* @func void | DllServerAction |
|
||
|
*
|
||
|
* Register or unregister our objects with OLE/COM/ActiveX/
|
||
|
* whatever its name is.
|
||
|
*
|
||
|
*****************************************************************************/
|
||
|
|
||
|
#pragma BEGIN_CONST_DATA
|
||
|
|
||
|
extern const TCHAR c_tszNil[];
|
||
|
|
||
|
#define ctchClsid ctchGuid
|
||
|
|
||
|
const TCHAR c_tszClsidGuid[] =
|
||
|
TEXT("CLSID\\{%08lX-%04X-%04X-%02X%02X-%02X%02X%02X%02X%02X%02X}");
|
||
|
|
||
|
const TCHAR c_tszInProcServer32[] = TEXT("InProcServer32");
|
||
|
const TCHAR c_tszThreadingModel[] = TEXT("ThreadingModel");
|
||
|
const TCHAR c_tszBoth[] = TEXT("Both");
|
||
|
|
||
|
#pragma END_CONST_DATA
|
||
|
|
||
|
void INTERNAL
|
||
|
DllServerAction(PCREGVTBL pvtbl)
|
||
|
{
|
||
|
TCHAR tszThisDll[MAX_PATH];
|
||
|
UINT iclsidmap;
|
||
|
|
||
|
GetModuleFileName(g_hinst, tszThisDll, cA(tszThisDll));
|
||
|
|
||
|
for (iclsidmap = 0; iclsidmap < cclsidmap; iclsidmap++) {
|
||
|
TCHAR tszClsid[7+ctchClsid];
|
||
|
HKEY hkClsid;
|
||
|
HKEY hkSub;
|
||
|
REFCLSID rclsid = c_rgclsidmap[iclsidmap].rclsid;
|
||
|
|
||
|
wsprintf(tszClsid, c_tszClsidGuid,
|
||
|
rclsid->Data1, rclsid->Data2, rclsid->Data3,
|
||
|
rclsid->Data4[0], rclsid->Data4[1],
|
||
|
rclsid->Data4[2], rclsid->Data4[3],
|
||
|
rclsid->Data4[4], rclsid->Data4[5],
|
||
|
rclsid->Data4[6], rclsid->Data4[7]);
|
||
|
|
||
|
if (pvtbl->KeyAction(HKEY_CLASSES_ROOT, tszClsid, &hkClsid) == 0) {
|
||
|
TCHAR tszName[127];
|
||
|
|
||
|
/* Do the type name */
|
||
|
LoadString(g_hinst, c_rgclsidmap[iclsidmap].ids,
|
||
|
tszName, cA(tszName));
|
||
|
pvtbl->StringAction(hkClsid, 0, tszName);
|
||
|
|
||
|
/* Do the in-proc server name and threading model */
|
||
|
if (pvtbl->KeyAction(hkClsid, c_tszInProcServer32, &hkSub) == 0) {
|
||
|
pvtbl->StringAction(hkSub, 0, tszThisDll);
|
||
|
pvtbl->StringAction(hkSub, c_tszThreadingModel, c_tszBoth);
|
||
|
pvtbl->KeyFinish(hkClsid, c_tszInProcServer32, hkSub);
|
||
|
}
|
||
|
|
||
|
pvtbl->KeyFinish(HKEY_CLASSES_ROOT, tszClsid, hkClsid);
|
||
|
|
||
|
}
|
||
|
}
|
||
|
|
||
|
#ifdef WINNT
|
||
|
pvtbl->SetSecurity();
|
||
|
#endif
|
||
|
}
|
||
|
|
||
|
|
||
|
|
||
|
/*****************************************************************************
|
||
|
*
|
||
|
* @doc INTERNAL
|
||
|
*
|
||
|
* @func void | DllRegisterServer |
|
||
|
*
|
||
|
* Register our classes with OLE/COM/ActiveX/whatever its name is.
|
||
|
*
|
||
|
*****************************************************************************/
|
||
|
|
||
|
void EXTERNAL
|
||
|
DllRegisterServer(void)
|
||
|
{
|
||
|
DllServerAction(&c_vtblAdd);
|
||
|
}
|
||
|
|
||
|
/*****************************************************************************
|
||
|
*
|
||
|
* @doc INTERNAL
|
||
|
*
|
||
|
* @func void | DllUnregisterServer |
|
||
|
*
|
||
|
* Unregister our classes from OLE/COM/ActiveX/whatever its name is.
|
||
|
*
|
||
|
*****************************************************************************/
|
||
|
|
||
|
void EXTERNAL
|
||
|
DllUnregisterServer(void)
|
||
|
{
|
||
|
DllServerAction(&c_vtblDel);
|
||
|
}
|