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fix: add HMAC-MD5 verification hash to ping packet using null UUID

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MayaTheShy
2025-11-10 01:22:13 -05:00
parent abfbbe684a
commit a30136799c
1 changed files with 6 additions and 1 deletions
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7
src/OverteClient.cpp
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@@ -1552,11 +1552,16 @@ void OverteClient::sendPing(int fd, const sockaddr_storage& addr, socklen_t addr
// Ping type (0 = local, 1 = public) // Ping type (0 = local, 1 = public)
packet.writeUInt8(0); packet.writeUInt8(0);
// Add HMAC-MD5 verification hash using null UUID as connection secret
// (domain server uses null UUID for clients that haven't been assigned a connection secret)
uint8_t nullUUID[16] = {0}; // All zeros = null UUID
packet.writeVerificationHash(nullUUID);
const auto& data = packet.getData(); const auto& data = packet.getData();
// Debug: hex dump ping packet // Debug: hex dump ping packet
std::cout << "[OverteClient] Ping packet (" << data.size() << " bytes, localID=" << m_localID << "): "; std::cout << "[OverteClient] Ping packet (" << data.size() << " bytes, localID=" << m_localID << "): ";
for (size_t i = 0; i < std::min(data.size(), size_t(16)); i++) { for (size_t i = 0; i < std::min(data.size(), size_t(32)); i++) {
printf("%02x ", (unsigned char)data[i]); printf("%02x ", (unsigned char)data[i]);
} }
std::cout << std::endl; std::cout << std::endl;