//Windows Firewall Test
inline size_t __fastcall FirewallTest(uint16_t Protocol)
{
SYSTEM_SOCKET FirewallSocket = 0;
sockaddr_storage SockAddr = {0};
//Ramdom number generator initialization
std::random_device RamdomDevice;
std::mt19937 RamdomEngine(RamdomDevice()); //Mersenne Twister Engine
std::uniform_int_distribution<int> Distribution(1, U16_MAXNUM);
auto RamdomGenerator = std::bind(Distribution, RamdomEngine);
//Socket initialization
if (Protocol == AF_INET6) //IPv6
{
FirewallSocket = socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDP);
SockAddr.ss_family = AF_INET6;
((PSOCKADDR_IN6)&SockAddr)->sin6_addr = in6addr_any;
((PSOCKADDR_IN6)&SockAddr)->sin6_port = htons((uint16_t)RamdomGenerator());
//Bind local socket.
if (FirewallSocket == INVALID_SOCKET || bind(FirewallSocket, (PSOCKADDR)&SockAddr, sizeof(sockaddr_in6)) == SOCKET_ERROR)
{
closesocket(FirewallSocket);
return EXIT_FAILURE;
}
}
else { //IPv4
FirewallSocket = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
SockAddr.ss_family = AF_INET;
((PSOCKADDR_IN)&SockAddr)->sin_addr.S_un.S_addr = INADDR_ANY;
((PSOCKADDR_IN)&SockAddr)->sin_port = htons((uint16_t)RamdomGenerator());
//Bind local socket.
if (FirewallSocket == INVALID_SOCKET || bind(FirewallSocket, (PSOCKADDR)&SockAddr, sizeof(sockaddr_in)) == SOCKET_ERROR)
{
closesocket(FirewallSocket);
return EXIT_FAILURE;
}
}
closesocket(FirewallSocket);
return EXIT_SUCCESS;
}
//GlobalStatus class constructor settings
void __fastcall GlobalStatusSetting(
GlobalStatus *GlobalRunningStatusParameter)
{
#if defined(PLATFORM_LINUX)
GlobalRunningStatusParameter->Daemon = true;
#endif
std::random_device RamdomDevice;
GlobalRunningStatusParameter->RamdomEngine->seed(RamdomDevice());
memset(GlobalRunningStatusParameter->DomainTable, 0, strlen(RFC_DOMAIN_TABLE) + 1U);
strncpy_s(GlobalRunningStatusParameter->DomainTable, strlen(RFC_DOMAIN_TABLE) + 1U, RFC_DOMAIN_TABLE, strlen(RFC_DOMAIN_TABLE));
GlobalRunningStatusParameter->GatewayAvailable_IPv4 = true;
memset(GlobalRunningStatusParameter->LocalAddress_Response[0], 0, PACKET_MAXSIZE);
memset(GlobalRunningStatusParameter->LocalAddress_Response[1U], 0, PACKET_MAXSIZE);
//Windows XP with SP3 support
#if (defined(PLATFORM_WIN32) && !defined(PLATFORM_WIN64))
GetFunctionPointer(FUNCTION_GETTICKCOUNT64);
GetFunctionPointer(FUNCTION_INET_NTOP);
GetFunctionPointer(FUNCTION_INET_PTON);
#endif
return;
}
//Configuration class constructor
ConfigurationTable::ConfigurationTable(void)
{
memset(this, 0, sizeof(CONFIGURATION_TABLE));
try {
//[Listen] block
ListenPort = new std::vector<uint16_t>();
//[Addresses] block
ListenAddress_IPv6 = new std::vector<sockaddr_storage>();
ListenAddress_IPv4 = new std::vector<sockaddr_storage>();
DNSTarget.IPv6_Multi = new std::vector<DNS_SERVER_DATA>();
DNSTarget.IPv4_Multi = new std::vector<DNS_SERVER_DATA>();
//[Data] block(A part)
#if defined(ENABLE_PCAP)
ICMPPaddingData = new char[ICMP_PADDING_MAXSIZE]();
DomainTestData = new char[DOMAIN_MAXSIZE]();
#endif
//[Data] block(B part)
LocalFQDNResponse = new char[DOMAIN_MAXSIZE]();
LocalFQDNString = new std::string();
#if !defined(PLATFORM_MACX)
LocalServerResponse = new char[DOMAIN_MAXSIZE + sizeof(dns_record_ptr) + sizeof(dns_record_opt)]();
#endif
LocalAddressResponse[0] = new char[PACKET_MAXSIZE]();
LocalAddressResponse[1U] = new char[PACKET_MAXSIZE]();
#if !defined(PLATFORM_MACX)
LocalAddressPTRResponse[0] = new std::vector<std::string>();
LocalAddressPTRResponse[1U] = new std::vector<std::string>();
#endif
//Global block
LocalSocket = new std::vector<SYSTEM_SOCKET>();
RamdomEngine = new std::default_random_engine();
Path = new std::vector<std::wstring>();
HostsFileList = new std::vector<std::wstring>();
IPFilterFileList = new std::vector<std::wstring>();
ErrorLogPath = new std::wstring();
#if (defined(PLATFORM_LINUX) || defined(PLATFORM_MACX))
sPath = new std::vector<std::string>();
sHostsFileList = new std::vector<std::string>();
sIPFilterFileList = new std::vector<std::string>();
sErrorLogPath = new std::string();
#endif
DomainTable = new char[strlen(RFC_DOMAIN_TABLE) + 1U]();
AcceptTypeList = new std::vector<uint16_t>();
}
catch (std::bad_alloc)
{
//[Listen] block
delete ListenPort;
//[Addresses] block
delete ListenAddress_IPv6;
delete ListenAddress_IPv4;
delete DNSTarget.IPv6_Multi;
delete DNSTarget.IPv4_Multi;
//[Data] block(A part)
#if defined(ENABLE_PCAP)
delete[] ICMPPaddingData;
delete[] DomainTestData;
#endif
//[Data] block(B part)
delete[] LocalFQDNResponse;
delete LocalFQDNString;
#if !defined(PLATFORM_MACX)
delete[] LocalServerResponse;
#endif
delete[] LocalAddressResponse[0];
delete[] LocalAddressResponse[1U];
#if !defined(PLATFORM_MACX)
delete LocalAddressPTRResponse[0];
delete LocalAddressPTRResponse[1U];
#endif
//Global block
delete LocalSocket;
delete RamdomEngine;
delete Path;
delete HostsFileList;
delete IPFilterFileList;
delete ErrorLogPath;
delete[] DomainTable;
delete AcceptTypeList;
exit(EXIT_FAILURE);
return;
}
//Initialization
//[Data] block(A part)
#if defined(ENABLE_PCAP)
memset(ICMPPaddingData, 0, ICMP_PADDING_MAXSIZE);
memset(DomainTestData, 0, DOMAIN_MAXSIZE);
#endif
//[Data] block(B part)
memset(LocalFQDNResponse, 0, DOMAIN_MAXSIZE);
#if !defined(PLATFORM_MACX)
memset(LocalServerResponse, 0, DOMAIN_MAXSIZE + sizeof(dns_record_ptr) + sizeof(dns_record_opt));
#endif
memset(LocalAddressResponse[0], 0, PACKET_MAXSIZE);
memset(LocalAddressResponse[1U], 0, PACKET_MAXSIZE);
//Global block
memset(DomainTable, 0, strlen(RFC_DOMAIN_TABLE) + 1U);
//Default settings
strncpy_s(DomainTable, strlen(RFC_DOMAIN_TABLE) + 1U, RFC_DOMAIN_TABLE, strlen(RFC_DOMAIN_TABLE));
std::random_device RamdomDevice;
RamdomEngine->seed(RamdomDevice());
//Default values
FileRefreshTime = DEFAULT_FILEREFRESH_TIME * SECOND_TO_MILLISECOND;
LogMaxSize = DEFAULT_LOG_MAXSIZE;
HostsDefaultTTL = DEFAULT_HOSTS_TTL;
AlternateTimes = DEFAULT_ALTERNATE_TIMES;
AlternateTimeRange = DEFAULT_ALTERNATE_RANGE * SECOND_TO_MILLISECOND;
AlternateResetTime = DEFAULT_ALTERNATERESET_TIME * SECOND_TO_MILLISECOND;
#if defined(PLATFORM_WIN)
ReliableSocketTimeout = DEFAULT_RELIABLE_SOCKET_TIMEOUT;
UnreliableSocketTimeout = DEFAULT_UNRELIABLE_SOCKET_TIMEOUT;
#elif (defined(PLATFORM_LINUX) || defined(PLATFORM_MACX))
ReliableSocketTimeout.tv_sec = DEFAULT_RELIABLE_SOCKET_TIMEOUT;
UnreliableSocketTimeout.tv_sec = DEFAULT_UNRELIABLE_SOCKET_TIMEOUT;
#endif
#if defined(PLATFORM_MACX)
Console = true;
#endif
#if defined(ENABLE_PCAP)
PcapReadingTimeout = DEFAULT_PCAP_CAPTURE_TIMEOUT;
#if defined(PLATFORM_MACX)
ICMPID = htons(*(uint16_t *)pthread_self());
#else
ICMPID = htons((uint16_t)GetCurrentProcessId()); //Default ICMP ID is current process ID.
#endif
ICMPSequence = htons(DEFAULT_SEQUENCE);
DomainTestSpeed = DEFAULT_DOMAINTEST_INTERVAL_TIME * SECOND_TO_MILLISECOND;
#if defined(PLATFORM_MACX)
DomainTestID = htons(*(uint16_t *)pthread_self());
#else
DomainTestID = htons((uint16_t)GetCurrentProcessId()); //Default DNS ID is current process ID.
#endif
#if defined(PLATFORM_WIN)
ICMPPaddingDataLength = strlen(DEFAULT_PADDINGDATA) + 1U;
memcpy_s(ICMPPaddingData, ICMP_PADDING_MAXSIZE, DEFAULT_PADDINGDATA, Parameter.ICMPPaddingDataLength - 1U); //Load default padding data.
#elif defined(PLATFORM_LINUX)
size_t CharData = ICMP_STRING_START_NUM_LINUX;
for (size_t Index = 0;Index < ICMP_PADDING_LENGTH_LINUX;++Index, ++CharData)
ICMPPaddingData[Index] = CharData;
ICMPPaddingDataLength = strlen(ICMPPaddingData) + 1U;
#elif defined(PLATFORM_MACX)
size_t CharData = ICMP_STRING_START_NUM_MAC;
for (size_t Index = 0;Index < ICMP_PADDING_LENGTH_MAC;++Index, ++CharData)
ICMPPaddingData[Index] = CharData;
ICMPPaddingDataLength = strlen(ICMPPaddingData) + 1U;
#endif
#endif
//Default status
GatewayAvailable_IPv4 = true;
return;
}
//Configuration class constructor
ConfigurationTable::ConfigurationTable(void)
{
memset(this, 0, sizeof(CONFIGURATION_TABLE));
try {
//[Listen] block
ListenPort = new std::vector<uint16_t>();
//[Addresses] block
ListenAddress_IPv6 = new std::vector<sockaddr_storage>();
ListenAddress_IPv4 = new std::vector<sockaddr_storage>();
DNSTarget.IPv6_Multi = new std::vector<DNS_SERVER_DATA>();
DNSTarget.IPv4_Multi = new std::vector<DNS_SERVER_DATA>();
//[Data] block(A part)
ICMPPaddingData = new char[ICMP_PADDING_MAXSIZE]();
DomainTestData = new char[DOMAIN_MAXSIZE]();
//[Data] block(B part)
LocalFQDN = new char[DOMAIN_MAXSIZE]();
LocalFQDNString = new std::string();
LocalServerResponse = new char[DOMAIN_MAXSIZE + sizeof(dns_record_ptr) + sizeof(dns_record_opt)]();
LocalAddress[0] = new char[PACKET_MAXSIZE]();
LocalAddress[1U] = new char[PACKET_MAXSIZE]();
LocalAddressPTR[0] = new std::vector<std::string>();
LocalAddressPTR[1U] = new std::vector<std::string>();
//Global block
LocalSocket = new std::vector<SYSTEM_SOCKET>();
RamdomEngine = new std::default_random_engine();
Path = new std::vector<std::wstring>();
HostsFileList = new std::vector<std::wstring>();
IPFilterFileList = new std::vector<std::wstring>();
ErrorLogPath = new std::wstring();
RunningLogPath = new std::wstring();
RunningLogWriteQueue = new std::vector<RUNNING_LOG_DATA>();
DomainTable = new char[strlen(RFC_DOMAIN_TABLE) + 1U]();
AcceptTypeList = new std::vector<uint16_t>();
}
catch (std::bad_alloc)
{
//[Listen] block
delete ListenPort;
//[Addresses] block
delete ListenAddress_IPv6;
delete ListenAddress_IPv4;
delete DNSTarget.IPv6_Multi;
delete DNSTarget.IPv4_Multi;
//[Data] block(A part)
delete[] ICMPPaddingData;
delete[] DomainTestData;
//[Data] block(B part)
delete[] LocalFQDN;
delete LocalFQDNString;
delete[] LocalServerResponse;
delete[] LocalAddress[0];
delete[] LocalAddress[1U];
delete LocalAddressPTR[0];
delete LocalAddressPTR[1U];
//Global block
delete LocalSocket;
delete RamdomEngine;
delete Path;
delete HostsFileList;
delete IPFilterFileList;
delete ErrorLogPath;
delete RunningLogPath;
delete RunningLogWriteQueue;
delete[] DomainTable;
delete AcceptTypeList;
// WSACleanup();
// TerminateService();
exit(EXIT_FAILURE);
return;
}
//Initialization
//[Data] block(A part)
memset(ICMPPaddingData, 0, ICMP_PADDING_MAXSIZE);
memset(DomainTestData, 0, DOMAIN_MAXSIZE);
//[Data] block(B part)
memset(LocalFQDN, 0, DOMAIN_MAXSIZE);
memset(LocalServerResponse, 0, DOMAIN_MAXSIZE + sizeof(dns_record_ptr) + sizeof(dns_record_opt));
memset(LocalAddress[0], 0, PACKET_MAXSIZE);
memset(LocalAddress[1U], 0, PACKET_MAXSIZE);
//Global block
memset(DomainTable, 0, strlen(RFC_DOMAIN_TABLE) + 1U);
//Default values
// strncpy(DomainTable, RFC_DOMAIN_TABLE, strlen(RFC_DOMAIN_TABLE));
strncpy_s(DomainTable, strlen(RFC_DOMAIN_TABLE) + 1U, RFC_DOMAIN_TABLE, strlen(RFC_DOMAIN_TABLE));
std::random_device RamdomDevice;
RamdomEngine->seed(RamdomDevice());
//Default settings
LogMaxSize = DEFAULT_LOG_MAXSIZE;
GatewayAvailable_IPv4 = true;
// ListenPort->push_back(htons(IPPORT_DNS));
ReliableSocketTimeout = DEFAULT_RELIABLE_SOCKET_TIMEOUT;
UnreliableSocketTimeout = DEFAULT_UNRELIABLE_SOCKET_TIMEOUT;
ICMPID = htons((uint16_t)GetCurrentProcessId()); //Default ICMP ID is current process ID.
ICMPSequence = htons(DEFAULT_SEQUENCE);
DomainTestSpeed = DEFAULT_DOMAINTEST_INTERVAL_TIME * SECOND_TO_MILLISECOND;
DomainTestID = htons((uint16_t)GetCurrentProcessId()); //Default DNS ID is current process ID.
//Load default padding data from Microsoft Windows Ping.
ICMPPaddingDataLength = strlen(DEFAULT_PADDINGDATA) + 1U;
// memcpy(ICMPPaddingData, DEFAULT_PADDINGDATA, Parameter.ICMPPaddingDataLength - 1U);
memcpy_s(ICMPPaddingData, ICMP_PADDING_MAXSIZE, DEFAULT_PADDINGDATA, Parameter.ICMPPaddingDataLength - 1U);
HostsDefaultTTL = DEFAULT_HOSTS_TTL;
return;
}