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p2p, p2p/discover, p2p/discv5: add IP network restriction feature

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The p2p packages can now be configured to restrict all communication to
a certain subset of IP networks. This feature is meant to be used for
private networks.
This commit is contained in:
Felix Lange
2016-11-22 20:51:59 +01:00
parent e46bda5093
commit a47341cf96
9 changed files with 124 additions and 34 deletions
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4
p2p/discv5/udp.go
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@ -238,12 +238,12 @@ type udp struct {
}
// ListenUDP returns a new table that listens for UDP packets on laddr.
func ListenUDP(priv *ecdsa.PrivateKey, laddr string, natm nat.Interface, nodeDBPath string) (*Network, error) {
func ListenUDP(priv *ecdsa.PrivateKey, laddr string, natm nat.Interface, nodeDBPath string, netrestrict *netutil.Netlist) (*Network, error) {
transport, err := listenUDP(priv, laddr)
if err != nil {
return nil, err
}
net, err := newNetwork(transport, priv.PublicKey, natm, nodeDBPath)
net, err := newNetwork(transport, priv.PublicKey, natm, nodeDBPath, netrestrict)
if err != nil {
return nil, err
}