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@ -761,12 +761,16 @@ namespace ssu
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else
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else
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{
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{
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LogPrint ("SSU peer test from Alice. We are Bob");
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LogPrint ("SSU peer test from Alice. We are Bob");
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// TODO: find Charlie
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auto session = m_Server.GetRandomEstablishedSession (); // charlie
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if (session)
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session->SendPeerTest (nonce, senderEndpoint.address ().to_v4 ().to_ulong (),
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senderEndpoint.port (), introKey, false);
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}
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}
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}
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}
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}
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}
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void SSUSession::SendPeerTest (uint32_t nonce, uint32_t address, uint16_t port, uint8_t * introKey)
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void SSUSession::SendPeerTest (uint32_t nonce, uint32_t address, uint16_t port,
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uint8_t * introKey, bool toAddress)
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{
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{
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uint8_t buf[80 + 18];
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uint8_t buf[80 + 18];
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uint8_t iv[16];
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uint8_t iv[16];
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@ -777,16 +781,25 @@ namespace ssu
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payload++; // size
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payload++; // size
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*(uint32_t *)payload = htobe32 (address);
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*(uint32_t *)payload = htobe32 (address);
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payload += 4; // address
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payload += 4; // address
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*(uint16_t *)payload = htobe32 (port);
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*(uint16_t *)payload = htobe16 (port);
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payload += 2; // port
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payload += 2; // port
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memcpy (payload, introKey, 32); // intro key
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memcpy (payload, introKey, 32); // intro key
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CryptoPP::RandomNumberGenerator& rnd = i2p::context.GetRandomNumberGenerator ();
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CryptoPP::RandomNumberGenerator& rnd = i2p::context.GetRandomNumberGenerator ();
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rnd.GenerateBlock (iv, 16); // random iv
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rnd.GenerateBlock (iv, 16); // random iv
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// encrypt message with specified intro key
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if (toAddress)
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FillHeaderAndEncrypt (PAYLOAD_TYPE_PEER_TEST, buf, 80, introKey, iv, introKey);
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{
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boost::asio::ip::udp::endpoint e (boost::asio::ip::address_v4 (address), port);
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// encrypt message with specified intro key
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m_Server.Send (buf, 80, e);
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FillHeaderAndEncrypt (PAYLOAD_TYPE_PEER_TEST, buf, 80, introKey, iv, introKey);
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boost::asio::ip::udp::endpoint e (boost::asio::ip::address_v4 (address), port);
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m_Server.Send (buf, 80, e);
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}
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else
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{
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// encrypt message with session key
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FillHeaderAndEncrypt (PAYLOAD_TYPE_PEER_TEST, buf, 80);
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Send (buf, 80);
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}
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}
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}
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void SSUSession::SendPeerTest ()
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void SSUSession::SendPeerTest ()
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