Function get_file_information

libcppcryptfs/util/fileutil.cpp:462–621

#ifdef _WIN32
DWORD
get_file_information(CryptContext *con, function<LPCWSTR()> getEncPath, LPCWSTR inputPath, HANDLE handle, LPBY_HANDLE_FILE_INFORMATION pInfo)
{
	BOOL opened = FALSE;

	DWORD dwRet = 0;

	bool is_config = rt_is_config_file(con, inputPath);

	bool is_dir_iv = rt_is_dir_iv_file(con, inputPath);

	bool is_virtual = rt_is_virtual_file(con, inputPath);

	bool is_name_file = rt_is_name_file(con, inputPath);

	try {	


		if (!handle || (handle == INVALID_HANDLE_VALUE && !is_virtual)) {

			throw((int)ERROR_INVALID_PARAMETER);

		}

		if (is_dir_iv) {
			wstring dirpath;
			if (!get_file_directory(getEncPath(), dirpath))
				throw((int)ERROR_ACCESS_DENIED);

			HANDLE hDir = CreateFile(&dirpath[0], FILE_READ_ATTRIBUTES, 
							FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE, 
							NULL, OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, NULL);
			if (hDir == INVALID_HANDLE_VALUE)
				throw((int)GetLastError());

			BOOL bResult = GetFileInformationByHandle(hDir, pInfo);

			if (!bResult) {
				DWORD lastErr = GetLastError();
				CloseHandle(hDir);
				throw((int)lastErr);
			}

			CloseHandle(hDir);

			pInfo->dwFileAttributes = VirtualAttributesDirIv(pInfo->dwFileAttributes);
			pInfo->ftLastWriteTime = pInfo->ftCreationTime;
			pInfo->nFileSizeHigh = 0;
			pInfo->nFileSizeLow = DIR_IV_LEN;
			pInfo->nNumberOfLinks = 1;

		} else if (is_name_file) {

			wstring enc_filename;

			remove_longname_suffix(inputPath, enc_filename);

			wstring decrypted_name;