53 lines
815 B
Go
53 lines
815 B
Go
// +build linux
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package gost
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import (
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"net"
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"github.com/milosgajdos83/tenus"
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"github.com/songgao/water"
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)
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func createTun(cfg TunConfig) (conn net.Conn, ipNet *net.IPNet, err error) {
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ip, ipNet, err := net.ParseCIDR(cfg.Addr)
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if err != nil {
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return
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}
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ifce, err := water.New(water.Config{
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DeviceType: water.TUN,
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PlatformSpecificParams: water.PlatformSpecificParams{
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Name: cfg.Name,
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},
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})
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if err != nil {
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return
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}
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link, err := tenus.NewLinkFrom(ifce.Name())
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if err != nil {
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return
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}
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mtu := cfg.MTU
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if mtu <= 0 {
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mtu = DefaultMTU
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}
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if err = link.SetLinkMTU(mtu); err != nil {
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return
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}
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if err = link.SetLinkIp(ip, ipNet); err != nil {
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return
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}
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if err = link.SetLinkUp(); err != nil {
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return
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}
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conn = &tunConn{
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ifce: ifce,
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addr: &net.IPAddr{IP: ip},
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}
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return
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}
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