//HTTP CONNECT request exchange process
bool __fastcall HTTP_CONNECTRequest(
SOCKET_DATA *HTTPSocketData,
fd_set *ReadFDS,
fd_set *WriteFDS,
timeval *Timeout,
char *OriginalRecv,
const size_t RecvSize)
{
//Initialization
memset(OriginalRecv, 0, RecvSize);
std::string HTTPString;
HTTPString.append("CONNECT ");
HTTPString.append(*Parameter.HTTP_TargetDomain);
HTTPString.append(" HTTP/");
HTTPString.append(*Parameter.HTTP_Version);
HTTPString.append("\r\nHost: ");
HTTPString.append(*Parameter.HTTP_TargetDomain);
HTTPString.append("\r\n");
if (Parameter.HTTP_HeaderField != nullptr && !Parameter.HTTP_HeaderField->empty())
HTTPString.append(*Parameter.HTTP_HeaderField);
if (Parameter.HTTP_ProxyAuthorization != nullptr && !Parameter.HTTP_ProxyAuthorization->empty())
HTTPString.append(*Parameter.HTTP_ProxyAuthorization);
HTTPString.append("\r\n");
//Socket timeout setting
#if defined(PLATFORM_WIN)
Timeout->tv_sec = Parameter.HTTP_SocketTimeout / SECOND_TO_MILLISECOND;
Timeout->tv_usec = Parameter.HTTP_SocketTimeout % SECOND_TO_MILLISECOND * MICROSECOND_TO_MILLISECOND;
#elif (defined(PLATFORM_LINUX) || defined(PLATFORM_MACX))
Timeout->tv_sec = Parameter.HTTP_SocketTimeout.tv_sec;
Timeout->tv_usec = Parameter.HTTP_SocketTimeout.tv_usec;
#endif
//TCP connecting
SSIZE_T RecvLen = SocketConnecting(IPPROTO_TCP, HTTPSocketData->Socket, (PSOCKADDR)&HTTPSocketData->SockAddr, HTTPSocketData->AddrLen, HTTPString.c_str(), HTTPString.length());
if (RecvLen == EXIT_FAILURE)
{
PrintError(LOG_LEVEL_3, LOG_ERROR_NETWORK, L"HTTP connecting error", 0, nullptr, 0);
return false;
}
//HTTP CONNECT request exchange
else if (RecvLen >= (SSIZE_T)DNS_PACKET_MINSIZE)
{
RecvLen = ProxySocketSelecting(HTTPSocketData->Socket, ReadFDS, WriteFDS, Timeout, nullptr, 0, OriginalRecv, RecvSize, HTTP_RESPONSE_MINSIZE, nullptr);
}
else {
RecvLen = ProxySocketSelecting(HTTPSocketData->Socket, ReadFDS, WriteFDS, Timeout, HTTPString.c_str(), HTTPString.length(), OriginalRecv, RecvSize, HTTP_RESPONSE_MINSIZE, nullptr);
}
if (RecvLen < (SSIZE_T)HTTP_RESPONSE_MINSIZE)
{
PrintError(LOG_LEVEL_3, LOG_ERROR_NETWORK, L"HTTP request error", 0, nullptr, 0);
return false;
}
else {
OriginalRecv[RecvSize - 1U] = 0;
HTTPString.clear();
HTTPString = OriginalRecv;
}
//HTTP CONNECT response check
if (HTTPString.find("\r\n") == std::string::npos || HTTPString.find("HTTP/") == std::string::npos)
{
PrintError(LOG_LEVEL_3, LOG_ERROR_HTTP, L"HTTP server response error", 0, nullptr, 0);
return false;
}
else if (HTTPString.find(" 200 ") == std::string::npos || HTTPString.find(" 200 ") >= HTTPString.find("\r\n")) //Not HTTP status code 200: OK
{
std::wstring wErrBuffer;
HTTPString.erase(HTTPString.find("\r\n"), HTTPString.length() - HTTPString.find("\r\n"));
MBSToWCSString(HTTPString.c_str(), HTTPString.length(), wErrBuffer);
PrintError(LOG_LEVEL_3, LOG_ERROR_HTTP, wErrBuffer.c_str(), 0, nullptr, 0);
return false;
}
return true;
}
int wmain(int argc, wchar_t* argv[])
{
//Windows XP with SP3 support
#if (defined(PLATFORM_WIN32) && !defined(PLATFORM_WIN64))
GetFunctionPointer(FUNCTION_GETTICKCOUNT64);
GetFunctionPointer(FUNCTION_INET_NTOP);
#endif
#elif (defined(PLATFORM_LINUX) || defined(PLATFORM_MACX))
int main(int argc, char *argv[])
{
#endif
//Get commands.
if (argc > 0)
{
if (!ReadCommand(argc, argv))
return EXIT_SUCCESS;
}
else {
return EXIT_FAILURE;
}
//Read configuration file and WinPcap or LibPcap initialization.
if (!ReadParameter())
{
WSACleanup();
return EXIT_FAILURE;
}
//Mark Local DNS address to PTR Records.
std::thread NetworkInformationMonitorThread(NetworkInformationMonitor);
NetworkInformationMonitorThread.detach();
//Read IPFilter and Hosts.
if (Parameter.OperationMode == LISTEN_MODE_CUSTOM || Parameter.BlacklistCheck || Parameter.LocalRouting)
{
std::thread IPFilterThread(ReadIPFilter);
IPFilterThread.detach();
}
std::thread HostsThread(ReadHosts);
HostsThread.detach();
//DNSCurve initialization
#if defined(ENABLE_LIBSODIUM)
if (Parameter.DNSCurve && DNSCurveParameter.IsEncryption)
{
randombytes_set_implementation(&randombytes_salsa20_implementation);
randombytes_stir();
DNSCurveInit();
}
#endif
#if defined(PLATFORM_WIN)
//Service initialization and start service.
SERVICE_TABLE_ENTRYW ServiceTable[] = {{DEFAULT_LOCAL_SERVICE_NAME, (LPSERVICE_MAIN_FUNCTIONW)ServiceMain}, {nullptr, nullptr}};
if (!StartServiceCtrlDispatcherW(ServiceTable))
{
Parameter.Console = true;
wprintf_s(L"System Error: Service start error, error code is %lu.\n", GetLastError());
wprintf_s(L"System Error: Program will continue to run in console mode.\n");
wprintf_s(L"Please ignore those error messages if you want to run in console mode.\n");
//Handle the system signal and start all monitors.
SetConsoleCtrlHandler((PHANDLER_ROUTINE)CtrlHandler, TRUE);
MonitorInit();
}
#elif (defined(PLATFORM_LINUX) || defined(PLATFORM_MACX))
MonitorInit();
#endif
WSACleanup();
return EXIT_SUCCESS;
}
//Read commands from main program
#if defined(PLATFORM_WIN)
bool __fastcall ReadCommand(int argc, wchar_t* argv[])
#elif (defined(PLATFORM_LINUX) || defined(PLATFORM_MACX))
bool ReadCommand(int argc, char *argv[])
#endif
{
//Path initialization
#if defined(PLATFORM_WIN)
if (!FileNameInit(argv[0]))
return false;
#elif (defined(PLATFORM_LINUX) || defined(PLATFORM_MACX))
std::shared_ptr<char> FileName(new char[PATH_MAX + 1U]());
memset(FileName.get(), 0, PATH_MAX + 1U);
if (getcwd(FileName.get(), PATH_MAX) == nullptr)
{
wprintf(L"Path initialization error.\n");
return false;
}
if (!FileNameInit(FileName.get()))
return false;
FileName.reset();
#endif
#if defined(PLATFORM_WIN)
//Winsock initialization
std::shared_ptr<WSAData> WSAInitialization(new WSAData());
if (WSAStartup(MAKEWORD(WINSOCK_VERSION_HIGH, WINSOCK_VERSION_LOW), WSAInitialization.get()) != 0 ||
LOBYTE(WSAInitialization->wVersion) != WINSOCK_VERSION_LOW || HIBYTE(WSAInitialization->wVersion) != WINSOCK_VERSION_HIGH)
{
wprintf_s(L"Winsock initialization error, error code is %d.\n", WSAGetLastError());
PrintError(LOG_ERROR_NETWORK, L"Winsock initialization error", WSAGetLastError(), nullptr, 0);
WSACleanup();
return false;
}
//Read commands.
std::wstring Commands;
#elif (defined(PLATFORM_LINUX) || defined(PLATFORM_MACX))
std::string Commands;
#endif
for (size_t Index = 1U;(SSIZE_T)Index < argc;++Index)
{
Commands = argv[Index];
//Flush DNS Cache from user.
if (Commands == COMMAND_FLUSH_DNS)
{
#if defined(PLATFORM_WIN)
FlushDNSMailSlotSender();
#elif (defined(PLATFORM_LINUX) || defined(PLATFORM_MACX))
FlushDNSFIFOSender();
#endif
WSACleanup();
return false;
}
//Windows Firewall Test in first start.
#if defined(PLATFORM_WIN)
else if (Commands == COMMAND_FIREWALL_TEST)
{
if (!FirewallTest(AF_INET6) && !FirewallTest(AF_INET))
{
wprintf_s(L"Windows Firewall Test error.\n");
PrintError(LOG_ERROR_NETWORK, L"Windows Firewall Test error", WSAGetLastError(), nullptr, 0);
}
WSACleanup();
return false;
}
#endif
//Set system daemon.
#if defined(PLATFORM_LINUX)
else if (Commands == COMMAND_DISABLE_DAEMON)
{
Parameter.Daemon = false;
}
#endif
//Print current version.
else if (Commands == COMMAND_LONG_PRINT_VERSION || Commands == COMMAND_SHORT_PRINT_VERSION)
{
wprintf_s(L"Pcap_DNSProxy ");
wprintf_s(FULL_VERSION);
wprintf_s(L"\n");
WSACleanup();
return false;
}
//Print help messages.
else if (Commands == COMMAND_LONG_HELP || Commands == COMMAND_SHORT_HELP)
{
wprintf_s(L"Usage: Please see ReadMe... files in Documents folder.\n");
WSACleanup();
return false;
}
//Set working directory from commands.
else if (Commands == COMMAND_LONG_SET_PATH || Commands == COMMAND_SHORT_SET_PATH)
{
//Commands check
if ((SSIZE_T)Index + 1 >= argc)
{
wprintf_s(L"Commands error.\n");
PrintError(LOG_ERROR_SYSTEM, L"Commands error", 0, nullptr, 0);
WSACleanup();
return false;
}
else {
++Index;
Commands = argv[Index];
//Path check.
if (Commands.length() > MAX_PATH)
{
wprintf_s(L"Commands error.\n");
PrintError(LOG_ERROR_SYSTEM, L"Commands error", 0, nullptr, 0);
WSACleanup();
return false;
}
else {
if (!FileNameInit(Commands.c_str()))
return false;
}
}
}
}
//Set system daemon.
#if defined(PLATFORM_LINUX)
if (Parameter.Daemon && daemon(0, 0) == RETURN_ERROR)
{
PrintError(LOG_ERROR_SYSTEM, L"Set system daemon error", 0, nullptr, 0);
return false;
}
#endif
return true;
}
//Get path of program from the main function parameter and Winsock initialization
#if defined(PLATFORM_WIN)
bool __fastcall FileNameInit(const wchar_t *OriginalPath)
#elif (defined(PLATFORM_LINUX) || defined(PLATFORM_MACX))
bool FileNameInit(const char *OriginalPath)
#endif
{
//Path process
#if defined(PLATFORM_WIN)
Parameter.Path_Global->clear();
Parameter.Path_Global->push_back(OriginalPath);
Parameter.Path_Global->front().erase(Parameter.Path_Global->front().rfind(L"\\") + 1U);
for (size_t Index = 0;Index < Parameter.Path_Global->front().length();++Index)
{
if ((Parameter.Path_Global->front()).at(Index) == L'\\')
{
Parameter.Path_Global->front().insert(Index, L"\\");
++Index;
}
}
#elif (defined(PLATFORM_LINUX) || defined(PLATFORM_MACX))
Parameter.sPath_Global->clear();
Parameter.sPath_Global->push_back(OriginalPath);
Parameter.sPath_Global->front().append("/");
std::wstring StringTemp;
MBSToWCSString(StringTemp, OriginalPath);
StringTemp.append(L"/");
Parameter.Path_Global->clear();
Parameter.Path_Global->push_back(StringTemp);
StringTemp.clear();
#endif
//Get path of error/running status log file and mark start time.
Parameter.Path_ErrorLog->clear();
*Parameter.Path_ErrorLog = Parameter.Path_Global->front();
Parameter.Path_ErrorLog->append(L"Error.log");
#if (defined(PLATFORM_LINUX) || defined(PLATFORM_MACX))
Parameter.sPath_ErrorLog->clear();
*Parameter.sPath_ErrorLog = Parameter.sPath_Global->front();
Parameter.sPath_ErrorLog->append("Error.log");
#endif
Parameter.PrintError = true;
time(&StartTime);
return true;
}
int wmain(
int argc,
wchar_t* argv[])
{
#elif (defined(PLATFORM_LINUX) || defined(PLATFORM_MACX))
int main(
int argc,
char *argv[])
{
#endif
//Get commands.
if (argc > 0)
{
if (!ReadCommand(argc, argv))
return EXIT_SUCCESS;
}
else {
return EXIT_FAILURE;
}
//Read configuration file.
if (!ReadParameter(true))
return EXIT_FAILURE;
//DNSCurve initialization
#if defined(ENABLE_LIBSODIUM)
if (Parameter.DNSCurve)
{
DNSCurveParameterModificating.SetToMonitorItem();
//Encryption mode initialization
if (DNSCurveParameter.IsEncryption)
DNSCurveInit();
}
#endif
//Mark Local DNS address to PTR Records, read Parameter(Monitor mode), IPFilter and Hosts.
ParameterModificating.SetToMonitorItem();
std::thread NetworkInformationMonitorThread(std::bind(NetworkInformationMonitor));
NetworkInformationMonitorThread.detach();
std::thread ReadParameterThread(std::bind(ReadParameter, false));
ReadParameterThread.detach();
std::thread ReadHostsThread(std::bind(ReadHosts));
ReadHostsThread.detach();
if (Parameter.OperationMode == LISTEN_MODE_CUSTOM || Parameter.DataCheck_Blacklist || Parameter.LocalRouting)
{
std::thread ReadIPFilterThread(std::bind(ReadIPFilter));
ReadIPFilterThread.detach();
}
#if defined(PLATFORM_WIN)
//Service initialization and start service.
SERVICE_TABLE_ENTRYW ServiceTable[]{{SYSTEM_SERVICE_NAME, (LPSERVICE_MAIN_FUNCTIONW)ServiceMain}, {nullptr, nullptr}};
if (!StartServiceCtrlDispatcherW(ServiceTable))
{
GlobalRunningStatus.Console = true;
auto ErrorCode = GetLastError();
//Print to screen.
std::unique_lock<std::mutex> ScreenMutex(ScreenLock);
fwprintf_s(stderr, L"System Error: Service start error, error code is %lu.\n", ErrorCode);
fwprintf_s(stderr, L"System Error: Program will continue to run in console mode.\n");
fwprintf_s(stderr, L"Please ignore these error messages if you want to run in console mode.\n\n");
ScreenMutex.unlock();
//Handle the system signal and start all monitors.
SetConsoleCtrlHandler((PHANDLER_ROUTINE)CtrlHandler, TRUE);
MonitorInit();
}
#elif (defined(PLATFORM_LINUX) || defined(PLATFORM_MACX))
MonitorInit();
#endif
return EXIT_SUCCESS;
}
//Read commands from main program
#if defined(PLATFORM_WIN)
bool __fastcall ReadCommand(
int argc,
wchar_t *argv[])
#elif (defined(PLATFORM_LINUX) || defined(PLATFORM_MACX))
bool ReadCommand(
int argc,
char *argv[])
#endif
{
//Path initialization
#if defined(PLATFORM_WIN)
if (!FileNameInit(argv[0]))
return false;
#elif (defined(PLATFORM_LINUX) || defined(PLATFORM_MACX))
char FileName[PATH_MAX + 1U] = {0};
if (getcwd(FileName, PATH_MAX) == nullptr)
{
std::unique_lock<std::mutex> ScreenMutex(ScreenLock);
fwprintf(stderr, L"Path initialization error.\n");
return false;
}
if (!FileNameInit(FileName))
return false;
#endif
//Screen output buffer setting
if (setvbuf(stderr, NULL, _IONBF, 0) != 0)
{
auto ErrorCode = errno;
std::unique_lock<std::mutex> ScreenMutex(ScreenLock);
fwprintf_s(stderr, L"Screen output buffer setting error, error code is %d.\n", ErrorCode);
ScreenLock.unlock();
PrintError(LOG_LEVEL_2, LOG_ERROR_NETWORK, L"Screen output buffer setting error", ErrorCode, nullptr, 0);
return false;
}
//Winsock initialization
#if defined(PLATFORM_WIN)
WSAData WSAInitialization = {0};
if (WSAStartup(MAKEWORD(WINSOCK_VERSION_HIGH, WINSOCK_VERSION_LOW), &WSAInitialization) != 0 ||
LOBYTE(WSAInitialization.wVersion) != WINSOCK_VERSION_LOW || HIBYTE(WSAInitialization.wVersion) != WINSOCK_VERSION_HIGH)
{
auto ErrorCode = WSAGetLastError();
std::unique_lock<std::mutex> ScreenMutex(ScreenLock);
fwprintf_s(stderr, L"Winsock initialization error, error code is %d.\n", ErrorCode);
ScreenLock.unlock();
PrintError(LOG_LEVEL_1, LOG_ERROR_NETWORK, L"Winsock initialization error", ErrorCode, nullptr, 0);
return false;
}
else {
GlobalRunningStatus.Initialization_WinSock = true;
}
//Read commands.
std::wstring Commands;
#elif (defined(PLATFORM_LINUX) || defined(PLATFORM_MACX))
std::string Commands;
#endif
for (size_t Index = 1U;(SSIZE_T)Index < argc;++Index)
{
Commands = argv[Index];
//Flush DNS Cache from user.
if (Commands == COMMAND_FLUSH_DNS)
{
#if defined(PLATFORM_WIN)
FlushDNSMailSlotSender();
#elif (defined(PLATFORM_LINUX) || defined(PLATFORM_MACX))
FlushDNSFIFOSender();
#endif
return false;
}
//Windows Firewall Test in first start.
#if defined(PLATFORM_WIN)
else if (Commands == COMMAND_FIREWALL_TEST)
{
if (!FirewallTest(AF_INET6) && !FirewallTest(AF_INET))
{
auto ErrorCode = WSAGetLastError();
std::unique_lock<std::mutex> ScreenMutex(ScreenLock);
fwprintf_s(stderr, L"Windows Firewall Test error, error code is %d.\n", ErrorCode);
ScreenMutex.unlock();
PrintError(LOG_LEVEL_2, LOG_ERROR_NETWORK, L"Windows Firewall Test error", ErrorCode, nullptr, 0);
}
return false;
}
#endif
//Set system daemon.
#if defined(PLATFORM_LINUX)
else if (Commands == COMMAND_DISABLE_DAEMON)
{
GlobalRunningStatus.Daemon = false;
}
#endif
//Print current version.
else if (Commands == COMMAND_LONG_PRINT_VERSION || Commands == COMMAND_SHORT_PRINT_VERSION)
{
std::unique_lock<std::mutex> ScreenMutex(ScreenLock);
fwprintf_s(stderr, L"Pcap_DNSProxy ");
fwprintf_s(stderr, FULL_VERSION);
fwprintf_s(stderr, L"\n");
return false;
}
//Print library version.
else if (Commands == COMMAND_LIB_VERSION)
{
std::unique_lock<std::mutex> ScreenMutex(ScreenLock);
#if (defined(ENABLE_LIBSODIUM) || defined(ENABLE_PCAP))
std::wstring LibVersion;
//LibSodium version
#if defined(ENABLE_LIBSODIUM)
if (MBSToWCSString(SODIUM_VERSION_STRING, strlen(SODIUM_VERSION_STRING), LibVersion))
fwprintf_s(stderr, L"LibSodium version %ls\n", LibVersion.c_str());
#endif
//WinPcap or LibPcap version
#if defined(ENABLE_PCAP)
if (MBSToWCSString(pcap_lib_version(), strlen(pcap_lib_version()), LibVersion))
fwprintf_s(stderr, L"%ls\n", LibVersion.c_str());
#endif
#else
fwprintf(stderr, L"No any available libraries.\n");
#endif
return false;
}
//Print help messages.
else if (Commands == COMMAND_LONG_HELP || Commands == COMMAND_SHORT_HELP)
{
std::unique_lock<std::mutex> ScreenMutex(ScreenLock);
fwprintf_s(stderr, L"Pcap_DNSProxy ");
fwprintf_s(stderr, FULL_VERSION);
#if defined(PLATFORM_WIN)
fwprintf_s(stderr, L"(Windows)\n");
#elif defined(PLATFORM_OPENWRT)
fwprintf(stderr, L"(OpenWrt)\n");
#elif defined(PLATFORM_LINUX)
fwprintf(stderr, L"(Linux)\n");
#elif defined(PLATFORM_MACX)
fwprintf(stderr, L"(Mac)\n");
#endif
fwprintf_s(stderr, COPYRIGHT_MESSAGE);
fwprintf_s(stderr, L"\nUsage: Please visit ReadMe... files in Documents folder.\n");
fwprintf_s(stderr, L" -v/--version: Print current version on screen.\n");
fwprintf_s(stderr, L" --lib-version: Print current version of libraries on screen.\n");
fwprintf_s(stderr, L" -h/--help: Print help messages on screen.\n");
fwprintf_s(stderr, L" --flush-dns: Flush all DNS cache in program and system immediately.\n");
#if defined(PLATFORM_WIN)
fwprintf_s(stderr, L" --first-setup: Test local firewall.\n");
#endif
fwprintf_s(stderr, L" -c/--config-file Path: Set path of configuration file.\n");
#if defined(PLATFORM_LINUX)
fwprintf(stderr, L" --disable-daemon: Disable daemon mode.\n");
#endif
return false;
}
//Set working directory from commands.
else if (Commands == COMMAND_LONG_SET_PATH || Commands == COMMAND_SHORT_SET_PATH)
{
//Commands check
if ((SSIZE_T)Index + 1 >= argc)
{
std::unique_lock<std::mutex> ScreenMutex(ScreenLock);
fwprintf(stderr, L"Commands error.\n");
ScreenMutex.unlock();
PrintError(LOG_LEVEL_1, LOG_ERROR_SYSTEM, L"Commands error", 0, nullptr, 0);
return false;
}
else {
++Index;
Commands = argv[Index];
//Path check.
if (Commands.length() > MAX_PATH)
{
std::unique_lock<std::mutex> ScreenMutex(ScreenLock);
fwprintf_s(stderr, L"Commands error.\n");
ScreenLock.unlock();
PrintError(LOG_LEVEL_1, LOG_ERROR_SYSTEM, L"Commands error", 0, nullptr, 0);
return false;
}
else {
if (!FileNameInit(Commands.c_str()))
return false;
}
}
}
}
//Set system daemon.
#if defined(PLATFORM_LINUX)
if (GlobalRunningStatus.Daemon && daemon(0, 0) == RETURN_ERROR)
{
PrintError(LOG_LEVEL_2, LOG_ERROR_SYSTEM, L"Set system daemon error", 0, nullptr, 0);
return false;
}
#endif
return true;
}
//Get path of program from the main function parameter and Winsock initialization
#if defined(PLATFORM_WIN)
bool __fastcall FileNameInit(
const wchar_t *OriginalPath)
#elif (defined(PLATFORM_LINUX) || defined(PLATFORM_MACX))
bool FileNameInit(
const char *OriginalPath)
#endif
{
//Path process
#if defined(PLATFORM_WIN)
GlobalRunningStatus.Path_Global->clear();
GlobalRunningStatus.Path_Global->push_back(OriginalPath);
GlobalRunningStatus.Path_Global->front().erase(GlobalRunningStatus.Path_Global->front().rfind(L"\\") + 1U);
for (size_t Index = 0;Index < GlobalRunningStatus.Path_Global->front().length();++Index)
{
if ((GlobalRunningStatus.Path_Global->front()).at(Index) == L'\\')
{
GlobalRunningStatus.Path_Global->front().insert(Index, L"\\");
++Index;
}
}
#elif (defined(PLATFORM_LINUX) || defined(PLATFORM_MACX))
GlobalRunningStatus.sPath_Global->clear();
GlobalRunningStatus.sPath_Global->push_back(OriginalPath);
GlobalRunningStatus.sPath_Global->front().append("/");
std::wstring StringTemp;
if (!MBSToWCSString(OriginalPath, PATH_MAX + 1U, StringTemp))
return false;
StringTemp.append(L"/");
GlobalRunningStatus.Path_Global->clear();
GlobalRunningStatus.Path_Global->push_back(StringTemp);
StringTemp.clear();
#endif
//Get path of error/running status log file and mark start time.
GlobalRunningStatus.Path_ErrorLog->clear();
*GlobalRunningStatus.Path_ErrorLog = GlobalRunningStatus.Path_Global->front();
GlobalRunningStatus.Path_ErrorLog->append(L"Error.log");
#if (defined(PLATFORM_LINUX) || defined(PLATFORM_MACX))
GlobalRunningStatus.sPath_ErrorLog->clear();
*GlobalRunningStatus.sPath_ErrorLog = GlobalRunningStatus.sPath_Global->front();
GlobalRunningStatus.sPath_ErrorLog->append("Error.log");
#endif
Parameter.PrintLogLevel = DEFAULT_LOG_LEVEL;
GlobalRunningStatus.StartupTime = time(nullptr);
return true;
}
int wmain(
_In_ int argc,
_In_ wchar_t* argv[])
{
#elif (defined(PLATFORM_LINUX) || defined(PLATFORM_MACX))
int main(int argc, char *argv[])
{
#endif
#if defined(ENABLE_LIBSODIUM)
//Initialization(Part 1)
#if defined(PLATFORM_WIN)
std::wstring FileName, Command;
#elif (defined(PLATFORM_LINUX) || defined(PLATFORM_MACX))
std::string FileName, Command;
#endif
//Read commands.
if (argc < 2)
{
PrintDescription();
return EXIT_SUCCESS;
}
else if (argc == 2) //File name only, use default hash function.
{
//Commands check
Command = argv[1U];
CaseConvert(true, Command);
if (Command == COMMAND_LONG_PRINT_VERSION || Command == COMMAND_SHORT_PRINT_VERSION)
{
fwprintf_s(stderr, L"FileHash ");
fwprintf_s(stderr, FULL_VERSION);
fwprintf_s(stderr, L"\n");
return EXIT_SUCCESS;
}
else if (Command == COMMAND_LONG_HELP || Command == COMMAND_SHORT_HELP || Command == COMMAND_SIGN_HELP)
{
PrintDescription();
return EXIT_SUCCESS;
}
else if (Command == COMMAND_LIB_VERSION)
{
std::wstring LibVersion;
if (MBSToWCSString(SODIUM_VERSION_STRING, strlen(SODIUM_VERSION_STRING), LibVersion))
fwprintf_s(stderr, L"LibSodium version %ls\n", LibVersion.c_str());
return EXIT_SUCCESS;
}
else { //Mark filename.
FileName = argv[1U];
}
}
else if (argc == 3) //File name with hash function command
{
Command = argv[1U];
FileName = argv[2U];
//Commands check
if (Command.length() < 3U)
{
fwprintf_s(stderr, L"Commands error.\n");
return EXIT_FAILURE;
}
else {
CaseConvert(true, Command);
}
//CRC family
if (Command.find(HASH_COMMAND_CRC) == 0)
{
HashFamilyID = HASH_ID_CRC;
if (!ReadCommand_CRC(Command))
return EXIT_FAILURE;
}
//Internet Protocol Checksum
else if (Command == HASH_COMMAND_CHECKSUM)
{
HashFamilyID = HASH_ID_CHECKSUM;
}
//MD2
else if (Command == HASH_COMMAND_MD2)
{
HashFamilyID = HASH_ID_MD2;
}
//MD4 family
else if (Command == HASH_COMMAND_MD4)
{
HashFamilyID = HASH_ID_MD4;
}
else if (Command == HASH_COMMAND_ED2K)
{
HashFamilyID = HASH_ID_ED2K;
}
//MD5
else if (Command == HASH_COMMAND_MD || Command == HASH_COMMAND_MD5)
{
HashFamilyID = HASH_ID_MD5;
}
//SHA-1
else if (Command.find(HASH_COMMAND_SHA1) == 0)
{
HashFamilyID = HASH_ID_SHA1;
}
//SHA-2 family
else if (Command == HASH_COMMAND_SHA2_384 || Command.find(HASH_COMMAND_SHA2_512) == 0 || Command.find(HASH_COMMAND_SHA2) == 0)
{
HashFamilyID = HASH_ID_SHA2;
if (!ReadCommand_SHA2(Command))
return EXIT_FAILURE;
}
//SHA-3 family
else if (Command == HASH_COMMAND_SHA || Command.find(HASH_COMMAND_SHA3) == 0)
{
HashFamilyID = HASH_ID_SHA3;
if (!ReadCommand_SHA3(Command))
return EXIT_FAILURE;
}
//Commands error
else {
fwprintf_s(stderr, L"Commands error.\n");
return EXIT_FAILURE;
}
}
else {
fwprintf_s(stderr, L"Commands error.\n");
return EXIT_FAILURE;
}
Command.clear();
Command.shrink_to_fit();
//Open file.
FILE *Input = nullptr;
#if defined(PLATFORM_WIN)
if (_wfopen_s(&Input, FileName.c_str(), L"rb") != 0 || Input == nullptr)
#elif (defined(PLATFORM_LINUX) || defined(PLATFORM_MACX))
Input = fopen(FileName.c_str(), "rb");
if (Input == nullptr)
#endif
{
fwprintf_s(stderr, L"Open file error.\n");
return EXIT_FAILURE;
}
else {
if (HashFamilyID == HASH_ID_CRC && !CRC_Hash(Input) || //CRC family
HashFamilyID == HASH_ID_CHECKSUM && !Checksum_Hash(Input) || //Internet Protocol Checksum
HashFamilyID == HASH_ID_MD2 && !MD2_Hash(Input) || //MD2
(HashFamilyID == HASH_ID_MD4 || HashFamilyID == HASH_ID_ED2K) && !MD4_Hash(Input) || //MD4 family
HashFamilyID == HASH_ID_MD5 && !MD5_Hash(Input) || //MD5
HashFamilyID == HASH_ID_SHA1 && !SHA1_Hash(Input) || //SHA-1
HashFamilyID == HASH_ID_SHA2 && !SHA2_Hash(Input) || //SHA-2 family
HashFamilyID == HASH_ID_SHA3 && !SHA3_Hash(Input)) //SHA-3 family
{
fclose(Input);
return EXIT_FAILURE;
}
}
fclose(Input);
#else
#if defined(PLATFORM_WIN)
fwprintf_s(stderr, L"LibSodium is disable.\n\n");
system("PAUSE");
#elif (defined(PLATFORM_LINUX) || defined(PLATFORM_MACX))
fwprintf(stderr, L"LibSodium is disable.\n\n");
#endif
#endif
return EXIT_SUCCESS;
}
//Capture process
bool __fastcall CaptureModule(const pcap_if *pDrive, const bool IsCaptureList)
{
std::string CaptureDevice;
//Devices name, address and type check
if (pDrive->name == nullptr || pDrive->addresses == nullptr || pDrive->flags == PCAP_IF_LOOPBACK)
goto DevicesSkip;
//Pcap devices blacklist check
if (pDrive->description != nullptr)
{
CaptureDevice.append(pDrive->description);
CaseConvert(false, CaptureDevice);
for (auto CaptureIter:*Parameter.PcapDevicesBlacklist)
{
if (CaptureIter.find(CaptureDevice) != std::string::npos)
goto DevicesSkip;
}
}
CaptureDevice.clear();
CaptureDevice.append(pDrive->name);
CaseConvert(false, CaptureDevice);
for (auto CaptureIter:*Parameter.PcapDevicesBlacklist)
{
if (CaptureIter.find(CaptureDevice) != std::string::npos)
goto DevicesSkip;
}
//Skip this devices.
goto DevicesNotSkip;
DevicesSkip:
if (IsCaptureList && pDrive->next != nullptr)
{
std::thread CaptureThread(CaptureModule, pDrive->next, true);
CaptureThread.detach();
}
return true;
DevicesNotSkip:
//Initialization(Part 1)
pcap_t *DeviceHandle = nullptr;
std::shared_ptr<char> Buffer(new char[ORIGINAL_PACKET_MAXSIZE + sizeof(uint16_t)]()); //Reserved 2 bytes for TCP header length.
memset(Buffer.get(), 0, ORIGINAL_PACKET_MAXSIZE + sizeof(uint16_t));
CaptureDevice.clear();
CaptureDevice.append(pDrive->name);
CaptureDevice.shrink_to_fit();
//Open device
#if defined(PLATFORM_WIN)
if ((DeviceHandle = pcap_open(pDrive->name, ORIGINAL_PACKET_MAXSIZE, PCAP_OPENFLAG_NOCAPTURE_LOCAL, (int)Parameter.PcapReadingTimeout, nullptr, Buffer.get())) == nullptr)
#elif (defined(PLATFORM_LINUX) || defined(PLATFORM_MACX))
if ((DeviceHandle = pcap_open_live(pDrive->name, ORIGINAL_PACKET_MAXSIZE, 0, (int)Parameter.PcapReadingTimeout, Buffer.get())) == nullptr)
#endif
{
std::wstring ErrBuffer;
if (MBSToWCSString(ErrBuffer, Buffer.get()))
PrintError(LOG_ERROR_PCAP, ErrBuffer.c_str(), 0, nullptr, 0);
return false;
}
//Check device type.
uint16_t DeviceType = 0;
if (pcap_datalink(DeviceHandle) == DLT_EN10MB || pcap_datalink(DeviceHandle) == DLT_PPP_ETHER || pcap_datalink(DeviceHandle) == DLT_EN3MB) //Ethernet II(Including PPPoE)
DeviceType = DLT_EN10MB;
else if (pcap_datalink(DeviceHandle) == DLT_APPLE_IP_OVER_IEEE1394) //Apple IEEE 1394
DeviceType = DLT_APPLE_IP_OVER_IEEE1394;
if (DeviceType == 0)
{
pcap_close(DeviceHandle);
return false;
}
//Compile the string into a filter program.
std::shared_ptr<bpf_program> BPF_Code(new bpf_program());
memset(BPF_Code.get(), 0, sizeof(bpf_program));
#if defined(PLATFORM_WIN)
if (pcap_compile(DeviceHandle, BPF_Code.get(), PcapFilterRules.c_str(), PCAP_COMPILE_OPTIMIZE, (bpf_u_int32)pDrive->addresses->netmask) == PCAP_ERROR)
#elif (defined(PLATFORM_LINUX) || defined(PLATFORM_MACX))
if (pcap_compile(DeviceHandle, BPF_Code.get(), PcapFilterRules.c_str(), PCAP_COMPILE_OPTIMIZE, 0) == PCAP_ERROR)
#endif
{
std::wstring ErrBuffer;
if (MBSToWCSString(ErrBuffer, pcap_geterr(DeviceHandle)))
PrintError(LOG_ERROR_PCAP, ErrBuffer.c_str(), 0, nullptr, 0);
pcap_close(DeviceHandle);
return false;
}
//Specify a filter program.
if (pcap_setfilter(DeviceHandle, BPF_Code.get()) == PCAP_ERROR)
{
std::wstring ErrBuffer;
if (MBSToWCSString(ErrBuffer, pcap_geterr(DeviceHandle)))
PrintError(LOG_ERROR_PCAP, ErrBuffer.c_str(), 0, nullptr, 0);
pcap_freecode(BPF_Code.get());
pcap_close(DeviceHandle);
return false;
}
//Start captures with other devices.
PcapRunningList.push_back(CaptureDevice);
if (IsCaptureList && pDrive->next != nullptr)
{
std::thread CaptureThread(CaptureModule, pDrive->next, IsCaptureList);
CaptureThread.detach();
}
//Initialization(Part 2)
std::shared_ptr<CAPTURE_HANDLER_PARAM> ParamList(new CAPTURE_HANDLER_PARAM());
memset(ParamList.get(), 0, sizeof(CAPTURE_HANDLER_PARAM));
ParamList->Buffer = Buffer.get();
ParamList->DeviceType = DeviceType;
SSIZE_T Result = 0;
std::unique_lock<std::mutex> CaptureMutex(CaptureLock);
CaptureMutex.unlock();
//Start monitor.
for (;;)
{
Result = pcap_loop(DeviceHandle, PCAP_LOOP_INFINITY, CaptureHandler, (PUCHAR)ParamList.get());
// if (Result == PCAP_ERROR || Result == PCAP_ERROR_BREAK || Result == PCAP_ERROR_NO_SUCH_DEVICE || Result == PCAP_ERROR_RFMON_NOTSUP || Result == PCAP_ERROR_NOT_RFMON)
if (Result < EXIT_SUCCESS)
{
//Delete this capture from devices list.
CaptureMutex.lock();
for (auto CaptureIter = PcapRunningList.begin();CaptureIter != PcapRunningList.end();)
{
if (*CaptureIter == CaptureDevice)
{
CaptureIter = PcapRunningList.erase(CaptureIter);
if (CaptureIter == PcapRunningList.end())
break;
}
else {
++CaptureIter;
}
}
PcapRunningList.shrink_to_fit();
CaptureMutex.unlock();
//Exit this capture thread.
pcap_freecode(BPF_Code.get());
pcap_close(DeviceHandle);
return false;
}
else {
Sleep(MONITOR_LOOP_INTERVAL_TIME);
continue;
}
}
//Monitor terminated
pcap_freecode(BPF_Code.get());
pcap_close(DeviceHandle);
PrintError(LOG_ERROR_SYSTEM, L"Capture module Monitor terminated", 0, nullptr, 0);
return true;
}
//Capture initialization
void __fastcall CaptureInit(void)
{
//Initialization
std::shared_ptr<char> ErrBuffer(new char[PCAP_ERRBUF_SIZE]());
memset(ErrBuffer.get(), 0, PCAP_ERRBUF_SIZE);
std::wstring wErrBuffer;
std::vector<std::string>::iterator CaptureIter;
pcap_if *pThedevs = nullptr, *pDrive = nullptr;
auto IsErrorFirstPrint = true;
std::unique_lock<std::mutex> CaptureMutex(CaptureLock);
CaptureMutex.unlock();
//Capture filter initialization
CaptureFilterRulesInit(PcapFilterRules);
//Capture Monitor
for (;;)
{
//Open all devices.
if (pcap_findalldevs(&pThedevs, ErrBuffer.get()) == PCAP_ERROR)
{
if (MBSToWCSString(wErrBuffer, ErrBuffer.get()))
{
PrintError(LOG_ERROR_PCAP, wErrBuffer.c_str(), 0, nullptr, 0);
wErrBuffer.clear();
}
memset(ErrBuffer.get(), 0, PCAP_ERRBUF_SIZE);
Sleep(MONITOR_LOOP_INTERVAL_TIME);
continue;
}
//Permissions check and check available network devices.
if (pThedevs == nullptr)
{
if (IsErrorFirstPrint)
IsErrorFirstPrint = false;
else
PrintError(LOG_ERROR_PCAP, L"Insufficient privileges or not any available network devices", 0, nullptr, 0);
Sleep(MONITOR_LOOP_INTERVAL_TIME);
continue;
}
else {
//Mark captures.
if (PcapRunningList.empty())
{
std::thread CaptureThread(CaptureModule, pThedevs, true);
CaptureThread.detach();
}
else {
pDrive = pThedevs;
//Scan all devices.
while (pDrive != nullptr)
{
CaptureMutex.lock();
for (CaptureIter = PcapRunningList.begin();CaptureIter != PcapRunningList.end();++CaptureIter)
{
if (*CaptureIter == pDrive->name)
{
break;
}
else if (CaptureIter + 1U == PcapRunningList.end())
{
std::thread CaptureThread(CaptureModule, pDrive, false);
CaptureThread.detach();
break;
}
}
CaptureMutex.unlock();
pDrive = pDrive->next;
}
}
}
Sleep(MONITOR_LOOP_INTERVAL_TIME);
pcap_freealldevs(pThedevs);
}
//Monitor terminated
PrintError(LOG_ERROR_SYSTEM, L"Capture module Monitor terminated", 0, nullptr, 0);
return;
}