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30 lines
570 B
Go
30 lines
570 B
Go
//go:build !windows
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package iface
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import (
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"net"
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"os"
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"github.com/rkonfj/peerguard/lru"
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"golang.org/x/sys/unix"
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"golang.zx2c4.com/wireguard/tun"
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)
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func CreateFD(tunFD int, cfg Config) (*TunInterface, error) {
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err := unix.SetNonblock(tunFD, true)
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if err != nil {
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return nil, err
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}
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file := os.NewFile(uintptr(tunFD), "/dev/net/tun")
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device, err := tun.CreateTUNFromFile(file, 0)
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if err != nil {
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return nil, err
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}
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return &TunInterface{
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dev: device,
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routing: lru.New[string, net.Addr](512),
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peers: lru.New[string, net.Addr](1024),
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}, nil
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}
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