static void * FetchAndVerifyConfigFile(TCascStorage * hs, PQUERY_KEY pFileKey)
{
TCHAR * szFileName;
void * pvListFile = NULL;
// Construct the local file name
szFileName = CascNewStr(hs->szDataPath, 8 + 3 + 3 + 32);
if(szFileName != NULL)
{
// Add the part where the config file path is
AppendConfigFilePath(szFileName, pFileKey);
// Load and verify the external listfile
pvListFile = ListFile_OpenExternal(szFileName);
if(pvListFile != NULL)
{
if(!ListFile_VerifyMD5(pvListFile, pFileKey->pbData))
{
ListFile_Free(pvListFile);
pvListFile = NULL;
}
}
// Free the file name
CASC_FREE(szFileName);
}
return pvListFile;
}
// Checks whether there is a ".agent.db". If yes, the function
// sets "szRootPath" and "szDataPath" in the storage structure
// and returns ERROR_SUCCESS
int CheckGameDirectory(TCascStorage * hs, TCHAR * szDirectory)
{
QUERY_KEY AgentFile;
TCHAR * szFilePath;
size_t nLength = 0;
char * szValue;
int nError = ERROR_FILE_NOT_FOUND;
// Create the full name of the .agent.db file
szFilePath = CombinePath(szDirectory, _T(".agent.db"));
if(szFilePath != NULL)
{
// Load the file to memory
nError = LoadTextFile(szFilePath, &AgentFile);
if(nError == ERROR_SUCCESS)
{
// Extract the data directory from the ".agent.db" file
szValue = ExtractStringVariable(&AgentFile, "data_dir", &nLength);
if(szValue != NULL)
{
hs->szRootPath = CascNewStr(szDirectory, 0);
hs->szDataPath = CombinePathAndString(szDirectory, szValue, nLength);
nError = (hs->szDataPath != NULL) ? ERROR_SUCCESS : ERROR_NOT_ENOUGH_MEMORY;
}
// Free the loaded blob
FreeCascBlob(&AgentFile);
}
// Freee the file path
CASC_FREE(szFilePath);
}
return nError;
}
static int FetchAndLoadConfigFile(TCascStorage * hs, PQUERY_KEY pFileKey, PARSEINFOFILE PfnParseProc)
{
TCHAR * szFileName;
void * pvListFile = NULL;
int nError = ERROR_CAN_NOT_COMPLETE;
// Construct the local file name
szFileName = CascNewStr(hs->szDataPath, 8 + 3 + 3 + 32);
if (szFileName != NULL)
{
// Add the part where the config file path is
AppendConfigFilePath(szFileName, pFileKey);
// Load and verify the external listfile
pvListFile = ListFile_OpenExternal(szFileName);
if (pvListFile != NULL)
{
if (ListFile_VerifyMD5(pvListFile, pFileKey->pbData))
{
nError = PfnParseProc(hs, pvListFile);
}
else
{
nError = ERROR_FILE_CORRUPT;
}
ListFile_Free(pvListFile);
}
else
{
nError = ERROR_FILE_NOT_FOUND;
}
CASC_FREE(szFileName);
}
else
{
nError = ERROR_NOT_ENOUGH_MEMORY;
}
return nError;
}