mirror of
https://github.com/WinampDesktop/winamp.git
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308 lines
No EOL
9.4 KiB
C++
308 lines
No EOL
9.4 KiB
C++
// Elevator.cpp : Implementation of WinMain
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#include "stdafx.h"
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#include "resource1.h"
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#include "FileTypeRegistrar.h"
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#include "ElevatorFactory.h"
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#include <sddl.h>
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#include <strsafe.h>
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HRESULT RegisterServer(HINSTANCE hInstance);
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HRESULT UnregisterServer(HINSTANCE hInstance);
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DWORD g_allLocks = 0;
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int APIENTRY WinMain(HINSTANCE hInstance,
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HINSTANCE hPrevInstance,
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LPSTR lpCmdLine,
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int nCmdShow)
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{
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if (lpCmdLine == NULL || !*lpCmdLine)
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{
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MSGBOXPARAMSW msgbx = {sizeof(MSGBOXPARAMS),0};
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msgbx.lpszText = L"Winamp Elevator\nCopyright © 2008-2014 Winamp SA";
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msgbx.lpszCaption = L"About...";
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msgbx.lpszIcon = MAKEINTRESOURCEW(IDI_ICON1);
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msgbx.hInstance = GetModuleHandle(0);
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msgbx.dwStyle = MB_USERICON;
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MessageBoxIndirectW(&msgbx);
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return 0;
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}
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if ( lpCmdLine != NULL && ( _strcmpi( lpCmdLine, "/RegServer" ) == 0
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|| _strcmpi( lpCmdLine, "-RegServer" ) == 0 )) {
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RegisterServer(hInstance);
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return 0;
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}
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if ( lpCmdLine != NULL && ( _strcmpi( lpCmdLine, "/UnregServer" ) == 0
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|| _strcmpi( lpCmdLine, "-UnregServer" ) == 0 )) {
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UnregisterServer(hInstance);
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return 0;
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}
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CoInitialize(NULL);
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if(lpCmdLine && (strstr(lpCmdLine, "/Embedding") || strstr(lpCmdLine, "-Embedding")))
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{
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ElevatorFactory cf;
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DWORD regID = 0;
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CoRegisterClassObject(CLSID_WFileTypeRegistrar,(IClassFactory*)&cf, CLSCTX_LOCAL_SERVER, REGCLS_MULTIPLEUSE, ®ID);
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MSG ms;
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while(GetMessage(&ms, 0, 0, 0))
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{
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TranslateMessage(&ms);
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DispatchMessage(&ms);
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}
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CoRevokeClassObject(regID);
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}
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CoUninitialize();
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return 0;
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}
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extern FileTypeRegistrar registrar;
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void Lock()
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{
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++g_allLocks;
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}
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void UnLock()
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{
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--g_allLocks;
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if(g_allLocks == 0 )//&& registrar.refCount == 0/* benski> a hack, for now */)
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{
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PostQuitMessage(0);
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}
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}
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static BOOL GetAccessPermissionsForLUAServer(SECURITY_DESCRIPTOR **ppSD)
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{
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// Local call permissions to IU, SY
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LPWSTR lpszSDDL = L"O:BAG:BAD:(A;;0x3;;;IU)(A;;0x3;;;SY)";
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SECURITY_DESCRIPTOR *pSD;
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*ppSD = NULL;
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if (ConvertStringSecurityDescriptorToSecurityDescriptorW(lpszSDDL, SDDL_REVISION_1, (PSECURITY_DESCRIPTOR *)&pSD, NULL))
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{
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*ppSD = pSD;
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return TRUE;
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}
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return FALSE;
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}
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// hKey is the HKCR\AppID\{GUID} key
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static BOOL SetAccessPermissions(HKEY hkey, PSECURITY_DESCRIPTOR pSD)
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{
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BOOL bResult = FALSE;
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DWORD dwLen = GetSecurityDescriptorLength(pSD);
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LONG lResult;
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lResult = RegSetValueExA(hkey,
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"AccessPermission",
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0,
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REG_BINARY,
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(BYTE*)pSD,
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dwLen);
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if (lResult != ERROR_SUCCESS) goto done;
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bResult = TRUE;
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done:
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return bResult;
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}
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static BOOL GetLaunchActPermissionsWithIL (SECURITY_DESCRIPTOR **ppSD)
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{
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// Allow World Local Launch/Activation permissions. Label the SD for LOW IL Execute UP
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LPWSTR lpszSDDL = L"O:BAG:BAD:(A;;0xb;;;WD)S:(ML;;NX;;;LW)";
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SECURITY_DESCRIPTOR *pSD;
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if (ConvertStringSecurityDescriptorToSecurityDescriptorW(lpszSDDL, SDDL_REVISION_1, (PSECURITY_DESCRIPTOR *)&pSD, NULL))
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{
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*ppSD = pSD;
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return TRUE;
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}
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return FALSE;
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}
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static BOOL SetLaunchActPermissions(HKEY hkey, PSECURITY_DESCRIPTOR pSD)
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{
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BOOL bResult = FALSE;
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DWORD dwLen = GetSecurityDescriptorLength(pSD);
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LONG lResult;
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lResult = RegSetValueExA(hkey,
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"LaunchPermission",
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0,
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REG_BINARY,
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(BYTE*)pSD,
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dwLen);
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if (lResult != ERROR_SUCCESS) goto done;
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bResult = TRUE;
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done:
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return bResult;
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};
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static HRESULT UnregisterComponent(const CLSID &clsid, LPCWSTR pszVersionIndProgId, LPCWSTR pszProgId);
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static HRESULT RegisterComponent(HMODULE hModule, const CLSID &clsid, LPCWSTR pszFriendlyName, LPCWSTR pszVersionIndProgId, LPCWSTR pszProgId);
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static const WCHAR szComponentFriendlyName[] = L"Winamp Elevator";
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static const WCHAR szVersionIndependentProgId[] = L"Elevator.WFileTypeRegistrar2";
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static const WCHAR szProgId[] = L"Elevator.WFileTypeRegistrar2.1";
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HRESULT RegisterServer(HINSTANCE hInstance)
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{
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HRESULT hr(S_OK);
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hr = RegisterComponent(hInstance, CLSID_WFileTypeRegistrar, szComponentFriendlyName, szVersionIndependentProgId, szProgId);
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return hr;
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}
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HRESULT UnregisterServer(HINSTANCE hInstance)
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{
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HRESULT hr(S_OK);
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hr = UnregisterComponent(CLSID_WFileTypeRegistrar, szVersionIndependentProgId, szProgId);
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return hr;
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}
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static BOOL WriteRegKey(HKEY hKeyParent, LPCWSTR pszKey, LPCWSTR pszValue, HKEY *phKey = NULL)
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{
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HKEY hKey;
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LONG result;
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result = RegCreateKeyExW(hKeyParent, pszKey, 0, NULL, REG_OPTION_NON_VOLATILE, KEY_WRITE, NULL, &hKey, NULL);
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if (ERROR_SUCCESS != result || !hKey) return FALSE;
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if (pszValue)
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{
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result = RegSetValueExW(hKey, NULL, 0, REG_SZ, (BYTE*)pszValue, (DWORD)(sizeof(wchar_t)*(1 + lstrlenW(pszValue))));
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}
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if (!phKey) RegCloseKey(hKey);
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else *phKey = hKey;
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return (ERROR_SUCCESS == result);
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}
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static BOOL WriteRegValue(HKEY hKeyParent, LPCWSTR pszKey, LPCWSTR pszEntry, LPCWSTR pszValue)
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{
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HKEY hKey;
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LONG result;
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result = RegOpenKeyExW(hKeyParent, pszKey, 0, KEY_SET_VALUE, &hKey);
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if (ERROR_SUCCESS != result || !hKey) return FALSE;
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if (pszValue)
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{
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result = RegSetValueEx(hKey, pszEntry, 0, REG_SZ, (BYTE*)pszValue, (DWORD)(sizeof(wchar_t)*(1 + lstrlenW(pszValue))));
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}
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RegCloseKey(hKey);
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return (ERROR_SUCCESS == result);
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}
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static BOOL WriteRegValue(HKEY hKeyParent, LPCWSTR pszKey, LPCWSTR pszEntry, DWORD pszValue)
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{
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HKEY hKey;
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LONG result;
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result = RegOpenKeyExW(hKeyParent, pszKey, 0, KEY_SET_VALUE, &hKey);
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if (ERROR_SUCCESS != result || !hKey) return FALSE;
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if (pszValue)
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{
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result = RegSetValueEx(hKey, pszEntry, 0, REG_DWORD, (BYTE*)&pszValue, sizeof(DWORD));
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}
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RegCloseKey(hKey);
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return (ERROR_SUCCESS == result);
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}
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static LONG DeleteRegKey(HKEY hKeyParent, LPCWSTR pszKey)
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{
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HKEY hKey;
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LONG result;
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FILETIME time = {0};
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WCHAR szBuffer[512] = {0};
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DWORD dwSize = sizeof(szBuffer)/sizeof(WCHAR);
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result = RegOpenKeyExW(hKeyParent, pszKey, 0, KEY_SET_VALUE | KEY_ENUMERATE_SUB_KEYS , &hKey);
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if (ERROR_SUCCESS != result) return result;
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while (ERROR_SUCCESS == RegEnumKeyExW(hKey, 0, szBuffer, &dwSize, NULL, NULL, NULL, &time))
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{
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if (ERROR_SUCCESS != (result = DeleteRegKey(hKey, szBuffer)))
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{
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RegCloseKey(hKey);
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return result;
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}
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dwSize = sizeof(szBuffer)/sizeof(WCHAR);
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}
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RegCloseKey(hKey);
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return RegDeleteKeyW(hKeyParent, pszKey);
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}
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HRESULT RegisterComponent(HMODULE hModule, const CLSID &clsid, LPCWSTR pszFriendlyName, LPCWSTR pszVersionIndProgId, LPCWSTR pszProgId)
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{
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SECURITY_DESCRIPTOR *sd;
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HKEY hKey, hKey2, hKey3;
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BOOL br;
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WCHAR szBuffer[MAX_PATH] = {0}, szCLSID[64] = {0};
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if (!StringFromGUID2(clsid, szCLSID, sizeof(szCLSID)/sizeof(WCHAR))) return E_OUTOFMEMORY;
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StringCchPrintfW(szBuffer, sizeof(szBuffer)/sizeof(WCHAR), L"SOFTWARE\\Classes\\CLSID\\%s", szCLSID);
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if (!WriteRegKey(HKEY_LOCAL_MACHINE, szBuffer, pszFriendlyName, &hKey)) return S_FALSE;
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if (!GetModuleFileNameW(hModule, szBuffer, sizeof(szBuffer)/sizeof(WCHAR))) return S_FALSE;
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RegCreateKeyExW(HKEY_LOCAL_MACHINE, L"SOFTWARE\\Classes\\AppID\\{3B29AB5C-52CB-4a36-9314-E3FEE0BA7468}", 0, NULL, REG_OPTION_NON_VOLATILE, KEY_WRITE, NULL, &hKey3, NULL);
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if (GetAccessPermissionsForLUAServer(&sd))
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SetAccessPermissions(hKey3, sd);
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if (GetLaunchActPermissionsWithIL(&sd))
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SetLaunchActPermissions(hKey3, sd);
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WriteRegValue(hKey3, NULL, NULL, szBuffer);
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RegCloseKey(hKey3);
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RegCreateKeyExW(HKEY_LOCAL_MACHINE, L"SOFTWARE\\Classes\\AppID\\elevator.exe", 0, NULL, REG_OPTION_NON_VOLATILE, KEY_WRITE, NULL, &hKey3, NULL);
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WriteRegValue(hKey3, NULL, L"AppID", L"{3B29AB5C-52CB-4a36-9314-E3FEE0BA7468}");
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RegCloseKey(hKey3);
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wchar_t localizedString[MAX_PATH+15] = {0};
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StringCbPrintf(localizedString, sizeof(localizedString), L"@%s,-%u", szBuffer, IDS_WINAMP);
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br = (WriteRegKey(hKey, L"LocalServer32" , szBuffer, &hKey2) &&
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WriteRegValue(hKey2, NULL, L"ThreadingModel", L"Both") &&
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WriteRegKey(hKey, L"ProgID", pszProgId) &&
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WriteRegKey(hKey, L"VersionIndependentProgID", pszVersionIndProgId)
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&& WriteRegValue(hKey, NULL, L"LocalizedString", localizedString)
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&& WriteRegValue(hKey, NULL, L"AppId", L"{3B29AB5C-52CB-4a36-9314-E3FEE0BA7468}")
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&& WriteRegKey(hKey, L"Elevation", 0)
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//&& WriteRegValue(hKey, L"Elevation", L"IconReference",
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&& WriteRegValue(hKey, L"Elevation", L"Enabled", 1)
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);
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RegCloseKey(hKey);
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if (hKey2) RegCloseKey(hKey2);
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if (!br) return S_FALSE;
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if (!WriteRegKey(HKEY_CLASSES_ROOT, pszVersionIndProgId, pszFriendlyName, &hKey)) return S_FALSE;
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br = (WriteRegKey(hKey, L"CLSID", szCLSID) &&
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WriteRegKey(hKey, L"CurVer", pszProgId));
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RegCloseKey(hKey);
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if (!br) return S_FALSE;
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if (!WriteRegKey(HKEY_CLASSES_ROOT, pszProgId, pszFriendlyName, &hKey)) return S_FALSE;
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br = WriteRegKey(hKey, L"CLSID", szCLSID);
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RegCloseKey(hKey);
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if (!br) return S_FALSE;
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return S_OK;
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}
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static HRESULT UnregisterComponent(const CLSID &clsid, LPCWSTR pszVersionIndProgId, LPCWSTR pszProgId)
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{
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LONG result;
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WCHAR szBuffer[MAX_PATH] = {0}, szCLSID[64] = {0};
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if (!StringFromGUID2(clsid, szCLSID, sizeof(szCLSID)/sizeof(WCHAR))) return E_OUTOFMEMORY;
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StringCchPrintfW(szBuffer, sizeof(szBuffer)/sizeof(WCHAR), L"CLSID\\%s", szCLSID);
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result = DeleteRegKey(HKEY_CLASSES_ROOT, szBuffer);
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if (ERROR_SUCCESS != result && ERROR_FILE_NOT_FOUND != result) return S_FALSE;
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result = DeleteRegKey(HKEY_CLASSES_ROOT, pszVersionIndProgId);
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if (ERROR_SUCCESS != result && ERROR_FILE_NOT_FOUND != result) return S_FALSE;
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result = DeleteRegKey(HKEY_CLASSES_ROOT, pszProgId);
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if (ERROR_SUCCESS != result && ERROR_FILE_NOT_FOUND != result) return S_FALSE;
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return S_OK;
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} |