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p2p: handle disconnect before protocol handshake

This commit is contained in:
Felix Lange 2015-02-13 15:06:06 +01:00
parent cf754b9483
commit fd3e1061e0
1 changed files with 7 additions and 0 deletions
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7
p2p/peer.go
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@ -255,6 +255,13 @@ func readProtocolHandshake(p *Peer, rw MsgReadWriter) error {
if err != nil {
return err
}
if msg.Code == discMsg {
// disconnect before protocol handshake is valid according to the
// spec and we send it ourself if Server.addPeer fails.
var reason DiscReason
rlp.Decode(msg.Payload, &reason)
return discRequestedError(reason)
}
if msg.Code != handshakeMsg {
return newPeerError(errProtocolBreach, "expected handshake, got %x", msg.Code)
}