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Added a basic TUN, testing the implementation.

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This commit is contained in:
DcruBro
2025-11-13 08:31:46 +01:00
parent aebca5cd7e
commit 5c8409b312
15 changed files with 310 additions and 52 deletions
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14
src/client/net/tcp/tcp_client.cpp
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@@ -239,19 +239,29 @@ namespace ColumnLynx::Net::TCP {
mConnectionAESKey, symNonce
);
if (decrypted.size() != sizeof(mConnectionSessionID)) {
Utils::error("Decrypted session ID has invalid size. Terminating connection.");
if (decrypted.size() != sizeof(mConnectionSessionID) + sizeof(Protocol::TunConfig)) {
Utils::error("Decrypted config has invalid size. Terminating connection.");
disconnect();
return;
}
std::memcpy(&mConnectionSessionID, decrypted.data(), sizeof(mConnectionSessionID));
std::memcpy(&mTunConfig, decrypted.data() + sizeof(mConnectionSessionID), sizeof(Protocol::TunConfig));
Utils::log("Connection established with Session ID: " + std::to_string(mConnectionSessionID));
if (mSessionIDRef) { // Copy to the global reference
*mSessionIDRef = mConnectionSessionID;
}
uint32_t clientIP = ntohl(mTunConfig.clientIP);
uint32_t serverIP = ntohl(mTunConfig.serverIP);
uint8_t prefixLen = mTunConfig.prefixLength;
uint16_t mtu = mTunConfig.mtu;
if (mTun) {
mTun->configureIP(clientIP, serverIP, prefixLen, mtu);
}
mHandshakeComplete = true;
}