yggdrasil-network/yggdrasil-go
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Use new netlink library (fixes #493)

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This commit is contained in:
Neil Alexander 2019-08-14 19:32:40 +01:00
parent d9fabad8bc
commit 4702da2bcb
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GPG key ID: A02A2019A2BB0944
3 changed files with 12 additions and 24 deletions
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30
src/tuntap/tun_linux.go
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@ -5,11 +5,7 @@ package tuntap
// The linux platform specific tun parts
import (
"errors"
"fmt"
"net"
"github.com/docker/libcontainer/netlink"
"github.com/vishvananda/netlink"
water "github.com/yggdrasil-network/water"
)
@ -51,35 +47,21 @@ func (tun *TunAdapter) setup(ifname string, iftapmode bool, addr string, mtu int
// to exist on the system, but this will fail if Netlink is not present in the
// kernel (it nearly always is).
func (tun *TunAdapter) setupAddress(addr string) error {
// Set address
var netIF *net.Interface
ifces, err := net.Interfaces()
nladdr, err := netlink.ParseAddr(addr)
if err != nil {
return err
}
for _, ifce := range ifces {
if ifce.Name == tun.iface.Name() {
var newIF = ifce
netIF = &newIF // Don't point inside ifces, it's apparently unsafe?...
}
}
if netIF == nil {
return errors.New(fmt.Sprintf("Failed to find interface: %s", tun.iface.Name()))
}
ip, ipNet, err := net.ParseCIDR(addr)
nlintf, err := netlink.LinkByName(tun.iface.Name())
if err != nil {
return err
}
err = netlink.NetworkLinkAddIp(netIF, ip, ipNet)
if err != nil {
if err := netlink.AddrAdd(nlintf, nladdr); err != nil {
return err
}
err = netlink.NetworkSetMTU(netIF, tun.mtu)
if err != nil {
if err := netlink.LinkSetMTU(nlintf, tun.mtu); err != nil {
return err
}
netlink.NetworkLinkUp(netIF)
if err != nil {
if err := netlink.LinkSetUp(nlintf); err != nil {
return err
}
return nil