/*******************************************************************
* GAMEUX_RemoveRegistryRecord
*
* Helper function, removes registry key associated with given game instance
*/
static HRESULT GAMEUX_RemoveRegistryRecord(GUID* pInstanceID)
{
HRESULT hr;
LPWSTR lpRegistryPath = NULL;
TRACE("(%s)\n", debugstr_guid(pInstanceID));
/* first, check is game installed for all users */
hr = GAMEUX_buildGameRegistryPath(GIS_ALL_USERS, pInstanceID, &lpRegistryPath);
if(SUCCEEDED(hr))
hr = HRESULT_FROM_WIN32(RegDeleteKeyExW(HKEY_LOCAL_MACHINE, lpRegistryPath, KEY_WOW64_64KEY, 0));
HeapFree(GetProcessHeap(), 0, lpRegistryPath);
/* if not, check current user */
if(FAILED(hr))
{
hr = GAMEUX_buildGameRegistryPath(GIS_CURRENT_USER, pInstanceID, &lpRegistryPath);
if(SUCCEEDED(hr))
hr = HRESULT_FROM_WIN32(RegDeleteKeyExW(HKEY_LOCAL_MACHINE, lpRegistryPath, KEY_WOW64_64KEY, 0));
HeapFree(GetProcessHeap(), 0, lpRegistryPath);
}
return hr;
}
/*******************************************************************************
* GAMEUX_IsGameKeyExist
*
* Helper function, checks if game's registry ath exists in given scope
*
* Parameters:
* installScope [I] scope to search game in
* InstanceID [I] game instance identifier
* lpRegistryPath [O] place to store address of registry path to
* the game. It is filled only if key exists.
* It must be freed by HeapFree(GetProcessHeap(), 0, ...)
*
* Returns:
* S_OK key was found properly
* S_FALSE key does not exists
*
*/
static HRESULT GAMEUX_IsGameKeyExist(GAME_INSTALL_SCOPE installScope,
LPCGUID InstanceID,
LPWSTR* lpRegistryPath) {
HRESULT hr;
HKEY hKey;
hr = GAMEUX_buildGameRegistryPath(installScope, InstanceID, lpRegistryPath);
if(SUCCEEDED(hr))
hr = HRESULT_FROM_WIN32(RegOpenKeyExW(HKEY_LOCAL_MACHINE, *lpRegistryPath,
0, KEY_WOW64_64KEY, &hKey));
if(hr == HRESULT_FROM_WIN32(ERROR_FILE_NOT_FOUND))
hr = S_FALSE;
if(hr == S_OK)
RegCloseKey(hKey);
else
{
/* if the key does not exist or another error occurred, do not return the path */
HeapFree(GetProcessHeap(), 0, *lpRegistryPath);
*lpRegistryPath = NULL;
}
return hr;
}
/*******************************************************************************
* GAMEUX_getAppIdFromGDFPath
*
* Loads application identifier associated with given GDF binary.
* Routine reads identifier from registry, so will fail if game
* is not registered.
*
* Parameters:
* GDFBinaryPath [I] path to gdf binary
* lpApplicationId [O] place to store application id.
* must be at least 49 characters
* to store guid and termination 0
*/
static HRESULT GAMEUX_getAppIdFromGDFPath(
LPCWSTR GDFBinaryPath,
LPWSTR lpApplicationId)
{
static const WCHAR sApplicationId[] =
{'A','p','p','l','i','c','a','t','i','o','n','I','d',0};
HRESULT hr;
GAME_INSTALL_SCOPE installScope;
GUID instanceId;
LPWSTR lpRegistryPath = NULL;
HKEY hKey;
DWORD dwLength = 49*sizeof(WCHAR);/* place for GUID */
TRACE("(%s, %p)\n", debugstr_w(GDFBinaryPath), lpApplicationId);
if(!GDFBinaryPath)
return E_INVALIDARG;
installScope = GIS_CURRENT_USER;
hr = GAMEUX_FindGameInstanceId(GDFBinaryPath, installScope, &instanceId);
if(hr == S_FALSE)
{
installScope = GIS_ALL_USERS;
hr = GAMEUX_FindGameInstanceId(GDFBinaryPath, installScope, &instanceId);
}
if(hr == S_FALSE)
/* game not registered, so statistics cannot be used */
hr = E_FAIL;
if(SUCCEEDED(hr))
/* game is registered, let's read it's application id from registry */
hr = GAMEUX_buildGameRegistryPath(installScope, &instanceId, &lpRegistryPath);
if(SUCCEEDED(hr)) {
hr = HRESULT_FROM_WIN32(RegOpenKeyExW(HKEY_LOCAL_MACHINE,
lpRegistryPath, 0, KEY_READ | KEY_WOW64_64KEY, &hKey));
if(SUCCEEDED(hr)) {
hr = HRESULT_FROM_WIN32(RegGetValueW(hKey,
NULL, sApplicationId, RRF_RT_REG_SZ,
NULL, lpApplicationId, &dwLength));
RegCloseKey(hKey);
}
}
HeapFree(GetProcessHeap(), 0, lpRegistryPath);
TRACE("found app id: %s, return: %#x\n", debugstr_w(lpApplicationId), hr);
return hr;
}
/*******************************************************************************
* GAMEUX_FindGameInstanceId
*
* Internal helper function. Description available in gameux_private.h file
*/
HRESULT GAMEUX_FindGameInstanceId(
LPCWSTR sGDFBinaryPath,
GAME_INSTALL_SCOPE installScope,
GUID* pInstanceId)
{
static const WCHAR sConfigGDFBinaryPath[] =
{'C','o','n','f','i','g','G','D','F','B','i','n','a','r','y','P','a','t','h',0};
HRESULT hr;
BOOL found = FALSE;
LPWSTR lpRegistryPath = NULL;
HKEY hRootKey;
DWORD dwSubKeys, dwSubKeyLen, dwMaxSubKeyLen, i;
LPWSTR lpName = NULL, lpValue = NULL;
hr = GAMEUX_buildGameRegistryPath(installScope, NULL, &lpRegistryPath);
if(SUCCEEDED(hr))
/* enumerate all subkeys of received one and search them for value "ConfigGGDFBinaryPath" */
hr = HRESULT_FROM_WIN32(RegOpenKeyExW(HKEY_LOCAL_MACHINE,
lpRegistryPath, 0, KEY_READ | KEY_WOW64_64KEY, &hRootKey));
if(SUCCEEDED(hr))
{
hr = HRESULT_FROM_WIN32(RegQueryInfoKeyW(hRootKey, NULL, NULL, NULL,
&dwSubKeys, &dwMaxSubKeyLen, NULL, NULL, NULL, NULL, NULL, NULL));
if(SUCCEEDED(hr))
{
++dwMaxSubKeyLen; /* for string terminator */
lpName = CoTaskMemAlloc(dwMaxSubKeyLen*sizeof(WCHAR));
if(!lpName) hr = E_OUTOFMEMORY;
}
if(SUCCEEDED(hr))
{
for(i=0; i<dwSubKeys && !found; ++i)
{
dwSubKeyLen = dwMaxSubKeyLen;
hr = HRESULT_FROM_WIN32(RegEnumKeyExW(hRootKey, i, lpName, &dwSubKeyLen,
NULL, NULL, NULL, NULL));
if(SUCCEEDED(hr))
hr = GAMEUX_LoadRegistryString(hRootKey, lpName,
sConfigGDFBinaryPath, &lpValue);
if(SUCCEEDED(hr))
if(lstrcmpW(lpValue, sGDFBinaryPath)==0)
{
/* key found, let's copy instance id and exit */
hr = (GUIDFromStringW(lpName, pInstanceId) ? S_OK : E_FAIL);
found = TRUE;
}
HeapFree(GetProcessHeap(), 0, lpValue);
}
}
HeapFree(GetProcessHeap(), 0, lpName);
RegCloseKey(hRootKey);
}
HeapFree(GetProcessHeap(), 0, lpRegistryPath);
if((SUCCEEDED(hr) && !found) || hr == HRESULT_FROM_WIN32(ERROR_FILE_NOT_FOUND))
hr = S_FALSE;
return hr;
}
/*******************************************************************************
* GAMEUX_WriteRegistryRecord
*
* Helper function, writes data associated with game (stored in GAMEUX_GAME_DATA
* structure) into expected place in registry.
*
* Parameters:
* GameData [I] structure with data which will
* be written into registry.
* Proper values of fields installScope
* and guidInstanceId are required
* to create registry key.
*
* Schema of naming registry keys associated with games is available in
* description of _buildGameRegistryPath internal function.
*
* List of registry keys associated with structure fields:
* Key Field in GAMEUX_GAME_DATA structure
* ApplicationId guidApplicationId
* ConfigApplicationPath sGameInstallDirectory
* ConfigGDFBinaryPath sGDFBinaryPath
* Title bstrName
*
*/
static HRESULT GAMEUX_WriteRegistryRecord(struct GAMEUX_GAME_DATA *GameData)
{
static const WCHAR sApplicationId[] =
{'A','p','p','l','i','c','a','t','i','o','n','I','d',0};
static const WCHAR sConfigApplicationPath[] =
{'C','o','n','f','i','g','A','p','p','l','i','c','a','t','i','o','n','P','a','t','h',0};
static const WCHAR sConfigGDFBinaryPath[] =
{'C','o','n','f','i','g','G','D','F','B','i','n','a','r','y','P','a','t','h',0};
static const WCHAR sTitle[] =
{'T','i','t','l','e',0};
static const WCHAR sDescription[] =
{'D','e','s','c','r','i','p','t','i','o','n',0};
HRESULT hr, hr2;
LPWSTR lpRegistryKey;
HKEY hKey;
WCHAR sGameApplicationId[40];
TRACE("(%p)\n", GameData);
hr = GAMEUX_buildGameRegistryPath(GameData->installScope, &GameData->guidInstanceId, &lpRegistryKey);
if(SUCCEEDED(hr))
hr = (StringFromGUID2(&GameData->guidApplicationId, sGameApplicationId, sizeof(sGameApplicationId)/sizeof(sGameApplicationId[0])) ? S_OK : E_FAIL);
if(SUCCEEDED(hr))
hr = HRESULT_FROM_WIN32(RegCreateKeyExW(HKEY_LOCAL_MACHINE, lpRegistryKey,
0, NULL, 0, KEY_ALL_ACCESS | KEY_WOW64_64KEY, NULL,
&hKey, NULL));
if(SUCCEEDED(hr))
{
/* write game data to registry key */
hr = HRESULT_FROM_WIN32(RegSetValueExW(hKey, sConfigApplicationPath, 0,
REG_SZ, (LPBYTE)(GameData->sGameInstallDirectory),
(lstrlenW(GameData->sGameInstallDirectory)+1)*sizeof(WCHAR)));
if(SUCCEEDED(hr))
hr = HRESULT_FROM_WIN32(RegSetValueExW(hKey, sConfigGDFBinaryPath, 0,
REG_SZ, (LPBYTE)(GameData->sGDFBinaryPath),
(lstrlenW(GameData->sGDFBinaryPath)+1)*sizeof(WCHAR)));
if(SUCCEEDED(hr))
hr = HRESULT_FROM_WIN32(RegSetValueExW(hKey, sApplicationId, 0,
REG_SZ, (LPBYTE)(sGameApplicationId),
(lstrlenW(sGameApplicationId)+1)*sizeof(WCHAR)));
if(SUCCEEDED(hr))
hr = HRESULT_FROM_WIN32(RegSetValueExW(hKey, sTitle, 0,
REG_SZ, (LPBYTE)(GameData->bstrName),
(lstrlenW(GameData->bstrName)+1)*sizeof(WCHAR)));
if(SUCCEEDED(hr))
hr = HRESULT_FROM_WIN32(RegSetValueExW(hKey, sDescription, 0,
REG_SZ, (LPBYTE)(GameData->bstrDescription ? GameData->bstrDescription : GameData->bstrName),
(lstrlenW(GameData->bstrDescription ? GameData->bstrDescription : GameData->bstrName)+1)*sizeof(WCHAR)));
RegCloseKey(hKey);
if(FAILED(hr))
{
/* if something failed, remove whole key */
hr2 = RegDeleteKeyExW(HKEY_LOCAL_MACHINE, lpRegistryKey, KEY_WOW64_64KEY, 0);
/* do not overwrite old failure code with new success code */
if(FAILED(hr2))
hr = hr2;
}
}
HeapFree(GetProcessHeap(), 0, lpRegistryKey);
TRACE("returning 0x%x\n", hr);
return hr;
}