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feat: integrate NLPacket protocol for domain connection requests and responses

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MayaTheShy
2025-11-08 17:41:44 -05:00
parent 65d25a1bca
commit a8c76649b6
2 changed files with 32 additions and 29 deletions
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60
src/OverteClient.cpp
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@@ -497,26 +497,24 @@ void OverteClient::handleDomainConnectionDenied(const char* data, size_t len) {
void OverteClient::sendDomainConnectRequest() {
if (!m_udpReady || m_udpFd == -1) return;
// DomainConnectRequest packet (PacketType 0x04)
const unsigned char PACKET_TYPE_DOMAIN_CONNECT_REQUEST = 0x04;
// Create NLPacket with DomainConnectRequest type
NLPacket packet(PacketType::DomainConnectRequest, 0, true); // version 0, reliable
packet.setSequenceNumber(m_sequenceNumber++);
// Build packet with authentication
// Format: [PacketType][ProtocolVersion:string][HardwareAddress:string][MachineFingerprint:string][Username:string][Password:string]
// Build packet payload with authentication
// Format: [ProtocolVersion:string][HardwareAddress:string][MachineFingerprint:string][Username:string][Password:string]
std::string protocolVersion = "Starworld-0.1";
std::string hardwareAddress = m_sessionUUID;
std::string machineFingerprint = m_sessionUUID; // Use session UUID as fingerprint
std::vector<char> packet;
packet.push_back(static_cast<char>(PACKET_TYPE_DOMAIN_CONNECT_REQUEST));
// Helper lambda to add length-prefixed string
auto addString = [&packet](const std::string& str) {
if (str.size() > 255) {
packet.push_back(static_cast<char>(255));
packet.insert(packet.end(), str.begin(), str.begin() + 255);
packet.writeUInt8(255);
packet.write(str.data(), 255);
} else {
packet.push_back(static_cast<char>(str.size()));
packet.insert(packet.end(), str.begin(), str.end());
packet.writeUInt8(static_cast<uint8_t>(str.size()));
packet.write(str.data(), str.size());
}
};
@@ -535,19 +533,20 @@ void OverteClient::sendDomainConnectRequest() {
// Add password/token (empty if not authenticated)
addString(m_password);
ssize_t s = ::sendto(m_udpFd, packet.data(), packet.size(), 0,
const auto& data = packet.getData();
ssize_t s = ::sendto(m_udpFd, data.data(), data.size(), 0,
reinterpret_cast<sockaddr*>(&m_udpAddr), m_udpAddrLen);
if (s > 0) {
std::cout << "[OverteClient] Domain connect request sent (" << s << " bytes)" << std::endl;
std::cout << "[OverteClient] DomainConnectRequest sent (" << s << " bytes, seq=" << (m_sequenceNumber-1) << ")" << std::endl;
std::cout << "[OverteClient] Protocol: " << protocolVersion << std::endl;
std::cout << "[OverteClient] Session: " << hardwareAddress << std::endl;
if (!m_username.empty()) {
std::cout << "[OverteClient] Username: " << m_username << std::endl;
}
// Hex dump first 32 bytes
std::cout << "[OverteClient] >>> Hex: ";
for (size_t i = 0; i < std::min(size_t(32), packet.size()); ++i) {
printf("%02x ", (unsigned char)packet[i]);
std::cout << "[OverteClient] >>> NLPacket Hex: ";
for (size_t i = 0; i < std::min(size_t(32), data.size()); ++i) {
printf("%02x ", data[i]);
}
std::cout << std::endl;
} else {
@@ -556,37 +555,40 @@ void OverteClient::sendDomainConnectRequest() {
}
void OverteClient::sendDomainListRequest() {
// Send DomainList request packet (PacketType 0x02)
// Send DomainList request packet using NLPacket format
if (!m_udpReady || m_udpFd == -1) return;
const unsigned char PACKET_TYPE_DOMAIN_LIST_REQUEST = 0x02;
char packet[1] = { static_cast<char>(PACKET_TYPE_DOMAIN_LIST_REQUEST) };
// Create NLPacket with DomainListRequest type
NLPacket packet(PacketType::DomainListRequest, 0, true); // version 0, reliable
packet.setSequenceNumber(m_sequenceNumber++);
ssize_t s = ::sendto(m_udpFd, packet, sizeof(packet), 0,
// DomainListRequest has no payload, just the header
const auto& data = packet.getData();
ssize_t s = ::sendto(m_udpFd, data.data(), data.size(), 0,
reinterpret_cast<sockaddr*>(&m_udpAddr), m_udpAddrLen);
if (s > 0) {
std::cout << "[OverteClient] DomainList request sent" << std::endl;
std::cout << "[OverteClient] DomainListRequest sent (seq=" << (m_sequenceNumber-1) << ")" << std::endl;
} else {
std::cerr << "[OverteClient] Failed to send domain list request: " << strerror(errno) << std::endl;
}
}
void OverteClient::sendPing(int fd, const sockaddr_storage& addr, socklen_t addrLen) {
const unsigned char PACKET_TYPE_PING = 0x01;
// Ping packet: [PacketType][Timestamp:u64][PingType:u8]
char packet[1 + 8 + 1];
packet[0] = static_cast<char>(PACKET_TYPE_PING);
// Create NLPacket for Ping
NLPacket packet(PacketType::Ping, 0, false); // version 0, not reliable for pings
packet.setSequenceNumber(m_sequenceNumber++);
// Add timestamp (microseconds since epoch)
auto now = std::chrono::system_clock::now();
auto micros = std::chrono::duration_cast<std::chrono::microseconds>(now.time_since_epoch()).count();
std::memcpy(packet + 1, &micros, 8);
packet.writeUInt64(micros);
// Ping type (0 = local, 1 = public)
packet[9] = 0;
packet.writeUInt8(0);
ssize_t s = ::sendto(fd, packet, sizeof(packet), 0,
const auto& data = packet.getData();
ssize_t s = ::sendto(fd, data.data(), data.size(), 0,
reinterpret_cast<const sockaddr*>(&addr), addrLen);
if (s < 0 && errno != EWOULDBLOCK && errno != EAGAIN) {
std::cerr << "[OverteClient] Ping send failed: " << strerror(errno) << std::endl;