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This commit is contained in:
Alexander Simmerl
2018-05-23 01:53:37 +02:00
parent e11f3167ff
commit 01fd102dba
3 changed files with 13 additions and 16 deletions
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7
p2p/switch.go
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@ -534,8 +534,6 @@ func (sw *Switch) addPeer(pc peerConn) error {
return err
}
// dont connect to multiple peers on the same IP
// NOTE: if AuthEnc==false, we don't have a peerID until after the handshake.
// If AuthEnc==true then we already know the ID and could do the checks first before the handshake,
// but it's simple to just deal with both cases the same after the handshake.
@ -578,8 +576,9 @@ func (sw *Switch) addPeer(pc peerConn) error {
return ErrSwitchDuplicatePeerID{peerID}
}
// check ips for both the connection addr and the self reported addr
if sw.peers.HasIP(pc.RemoteIP()) {
// Check for duplicate connection or peer info IP.
if sw.peers.HasIP(pc.RemoteIP()) ||
sw.peers.HasIP(peerNodeInfo.NetAddress().IP) {
return ErrSwitchDuplicatePeerIP{pc.RemoteIP()}
}