Exemplo n.º 1
0
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);
}
Exemplo n.º 2
0
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));
}
Exemplo n.º 3
0
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));
}