forked from cerc-io/plugeth
swarm/network: prevent relay of invalid IPs
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parent
a98d1d67d6
commit
e46bda5093
@ -26,6 +26,7 @@ import (
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"github.com/ethereum/go-ethereum/logger"
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"github.com/ethereum/go-ethereum/logger/glog"
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"github.com/ethereum/go-ethereum/p2p/discover"
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"github.com/ethereum/go-ethereum/p2p/netutil"
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"github.com/ethereum/go-ethereum/swarm/network/kademlia"
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"github.com/ethereum/go-ethereum/swarm/storage"
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)
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@ -288,6 +289,10 @@ func newNodeRecord(addr *peerAddr) *kademlia.NodeRecord {
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func (self *Hive) HandlePeersMsg(req *peersMsgData, from *peer) {
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var nrs []*kademlia.NodeRecord
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for _, p := range req.Peers {
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if err := netutil.CheckRelayIP(from.remoteAddr.IP, p.IP); err != nil {
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glog.V(logger.Detail).Infof("invalid peer IP %v from %v: %v", from.remoteAddr.IP, p.IP, err)
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continue
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}
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nrs = append(nrs, newNodeRecord(p))
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}
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self.kad.Add(nrs)
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