void
Peer::recvMessage(AuthenticatedMessage const& msg)
{
if (mState >= GOT_HELLO)
{
if (msg.v0().sequence != mRecvMacSeq)
{
CLOG(ERROR, "Overlay") << "Unexpected message-auth sequence";
mDropInRecvMessageSeqMeter.Mark();
++mRecvMacSeq;
drop(ERR_AUTH, "unexpected auth sequence");
return;
}
if (!hmacSha256Verify(msg.v0().mac, mRecvMacKey,
xdr::xdr_to_opaque(msg.v0().sequence,
msg.v0().message)))
{
CLOG(ERROR, "Overlay") << "Message-auth check failed";
mDropInRecvMessageMacMeter.Mark();
++mRecvMacSeq;
drop(ERR_AUTH, "unexpected MAC");
return;
}
++mRecvMacSeq;
}
recvMessage(msg.v0().message);
}
void
Peer::sendMessage(StellarMessage const& msg)
{
CLOG(TRACE, "Overlay") << "("
<< PubKeyUtils::toShortString(
mApp.getConfig().NODE_SEED.getPublicKey())
<< ") send: " << msg.type()
<< " to : " << PubKeyUtils::toShortString(mPeerID);
AuthenticatedMessage amsg;
amsg.v0().message = msg;
if (msg.type() != HELLO)
{
amsg.v0().sequence = mSendMacSeq;
amsg.v0().mac =
hmacSha256(mSendMacKey, xdr::xdr_to_opaque(mSendMacSeq, msg));
++mSendMacSeq;
}
xdr::msg_ptr xdrBytes(xdr::xdr_to_msg(amsg));
this->sendMessage(std::move(xdrBytes));
}
void
Peer::sendMessage(StellarMessage const& msg)
{
CLOG(TRACE, "Overlay") << "("
<< mApp.getConfig().toShortString(
mApp.getConfig().NODE_SEED.getPublicKey())
<< ") send: " << msg.type() << " to : "
<< mApp.getConfig().toShortString(mPeerID);
switch (msg.type())
{
case ERROR_MSG:
mSendErrorMeter.Mark();
break;
case HELLO:
case HELLO2:
mSendHelloMeter.Mark();
break;
case AUTH:
mSendAuthMeter.Mark();
break;
case DONT_HAVE:
mSendDontHaveMeter.Mark();
break;
case GET_PEERS:
mSendGetPeersMeter.Mark();
break;
case PEERS:
mSendPeersMeter.Mark();
break;
case GET_TX_SET:
mSendGetTxSetMeter.Mark();
break;
case TX_SET:
mSendTxSetMeter.Mark();
break;
case TRANSACTION:
mSendTransactionMeter.Mark();
break;
case GET_SCP_QUORUMSET:
mSendGetSCPQuorumSetMeter.Mark();
break;
case SCP_QUORUMSET:
mSendSCPQuorumSetMeter.Mark();
break;
case SCP_MESSAGE:
mSendSCPMessageSetMeter.Mark();
break;
case GET_SCP_STATE:
mSendGetSCPStateMeter.Mark();
break;
};
AuthenticatedMessage amsg;
amsg.v0().message = msg;
if (msg.type() != HELLO && msg.type() != HELLO2 && msg.type() != ERROR_MSG)
{
amsg.v0().sequence = mSendMacSeq;
amsg.v0().mac =
hmacSha256(mSendMacKey, xdr::xdr_to_opaque(mSendMacSeq, msg));
++mSendMacSeq;
}
xdr::msg_ptr xdrBytes(xdr::xdr_to_msg(amsg));
this->sendMessage(std::move(xdrBytes));
}