func (ch *authHSChan) validatePacket(pkt *packet.AuthHSPacket) error {
nSet := 0
if msg := pkt.GetProof(); msg != nil {
nSet++
if pkDER := msg.GetPublicKey(); pkDER == nil {
return fmt.Errorf("missing public_key")
}
if sig := msg.GetSignature(); sig == nil {
return fmt.Errorf("missing signature")
}
}
if msg := pkt.GetResult(); msg != nil {
nSet++
}
if nSet != 1 {
return fmt.Errorf("has %d fields set", nSet)
}
return nil
}
func (ch *authHSChan) onPacketClient(authPkt *packet.AuthHSPacket) error {
log := ch.conn.endpoint.log
resultMsg := authPkt.GetResult()
if resultMsg == nil {
return fmt.Errorf("missing result")
}
if !resultMsg.GetAccepted() {
ch.conn.endpoint.onRemoteReject(ch.conn.hostname)
return fmt.Errorf("client: auth to '%s' rejected", ch.conn.hostname)
}
isKnown := resultMsg.GetIsKnownContact()
log.Printf("client: auth to server '%s' accepted isKnown: %v", ch.conn.hostname, isKnown)
ch.conn.getControlChan().isAuthenticated = true
ch.conn.getControlChan().isKnownToPeer = isKnown
ch.conn.authTimer.Stop() // Stop the f**k().
ch.conn.setEstablished()
// XXX: Send a channel close? This is something the server ought to be
// doing, so don't bother for now. This code will not use this channel
// past this point, apart from processing the server's close.
if isKnown {
ch.conn.endpoint.onConnectionEstablished(ch.conn)
return nil
}
// The peer doesn't immediately recognize us. If this is expected,
// dispatch a ContactRequest, otherwise, we got removed.
requestData := ch.conn.endpoint.requestData(ch.conn.hostname)
if requestData == nil {
ch.conn.endpoint.onRemoteReject(ch.conn.hostname)
return fmt.Errorf("client: remote peer remove us from contacts")
}
return newClientContactReqChan(ch.conn, requestData)
}