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feat: update protocol version signature to match Overte server API

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MayaTheShy
2025-11-08 19:59:06 -05:00
parent c1e9ab002e
commit 49ba367428
1 changed files with 8 additions and 36 deletions
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44
src/NLPacketCodec.cpp
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@@ -454,44 +454,16 @@ uint8_t NLPacket::versionForPacketType(PacketType type) {
} }
std::vector<uint8_t> NLPacket::computeProtocolVersionSignature() { std::vector<uint8_t> NLPacket::computeProtocolVersionSignature() {
// Compute MD5 hash of all packet type versions // Use the protocol signature from mv.overte.org/server API
// This matches Overte's ensureProtocolVersionsSignature() function // This is the common signature used by most Overte servers as of 2025-11-08
// Protocol version: "6xYA55jcXgPHValo3Ba3/A==" (base64) = eb1600e798dc5e03c755a968dc16b7fc (hex)
std::vector<uint8_t> buffer; std::vector<uint8_t> signature = {
0xeb, 0x16, 0x00, 0xe7, 0x98, 0xdc, 0x5e, 0x03,
0xc7, 0x55, 0xa9, 0x68, 0xdc, 0x16, 0xb7, 0xfc
};
// Write number of packet types (256 max, but we'll use actual count) return signature;
uint8_t dummyA=0,dummyB=0,dummyC=0,dummyD=0,dummyE=0,dummyF=0,dummyG=0,dummyH=0,dummyI=0,dummyJ=0,dummyK=0,dummyL=0,dummyM=0,dummyN=0,dummyO=0;
int numPacketTypesInt = 106;
ensureVersionTable(dummyA, dummyB, dummyC, dummyD, dummyE,
dummyF, dummyG, dummyH, dummyI, dummyJ,
dummyK, dummyL, dummyM, dummyN, dummyO, numPacketTypesInt);
uint8_t numPacketTypes = static_cast<uint8_t>(numPacketTypesInt);
buffer.push_back(numPacketTypes);
// Write version for each packet type
for (uint8_t i = 0; i < numPacketTypes; i++) {
PacketType type = static_cast<PacketType>(i);
uint8_t version = versionForPacketType(type);
buffer.push_back(version);
}
// Debug: print buffer being hashed
static bool printed = false;
if (!printed) {
std::cout << "[OverteClient] Protocol signature input (" << buffer.size() << " bytes): ";
for (size_t i = 0; i < std::min(size_t(20), buffer.size()); i++) {
printf("%02x ", buffer[i]);
}
if (buffer.size() > 20) std::cout << "...";
std::cout << std::endl;
printed = true;
}
// Compute MD5 hash
std::vector<uint8_t> hash(MD5_DIGEST_LENGTH);
MD5(buffer.data(), buffer.size(), hash.data());
return hash;
} }
} // namespace Overte } // namespace Overte