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mirror of https://github.com/cwinfo/yggdrasil-go.git synced 2024-11-22 07:10:28 +00:00

disable/enable the tap device at startup to clear any old settings, e.g. old addresses

This commit is contained in:
Arceliar 2018-01-24 21:14:26 -06:00
parent 06e3c8c997
commit d52fab8af6

View File

@ -15,6 +15,28 @@ func (tun *tunDevice) setup(ifname string, addr string, mtu int) error {
if err != nil { if err != nil {
panic(err) panic(err)
} }
// Disable/enable the interface to resets its configuration (invalidating iface)
cmd := exec.Command("netsh", "interface", "set", "interface", iface.Name(), "admin=DISABLED")
tun.core.log.Printf("netsh command: %v", strings.Join(cmd.Args, " "))
output, err := cmd.CombinedOutput()
if err != nil {
tun.core.log.Printf("Windows netsh failed: %v.", err)
tun.core.log.Println(string(output))
return err
}
cmd = exec.Command("netsh", "interface", "set", "interface", iface.Name(), "admin=ENABLED")
tun.core.log.Printf("netsh command: %v", strings.Join(cmd.Args, " "))
output, err = cmd.CombinedOutput()
if err != nil {
tun.core.log.Printf("Windows netsh failed: %v.", err)
tun.core.log.Println(string(output))
return err
}
// Get a new iface
iface, err = water.New(config)
if err != nil {
panic(err)
}
tun.iface = iface tun.iface = iface
tun.mtu = mtu tun.mtu = mtu
return tun.setupAddress(addr) return tun.setupAddress(addr)
@ -23,9 +45,10 @@ func (tun *tunDevice) setup(ifname string, addr string, mtu int) error {
func (tun *tunDevice) setupAddress(addr string) error { func (tun *tunDevice) setupAddress(addr string) error {
// Set address // Set address
// addr = strings.TrimRight(addr, "/8") // addr = strings.TrimRight(addr, "/8")
cmd := exec.Command("netsh", "interface", "ipv6", "set", "address", cmd := exec.Command("netsh", "interface", "ipv6", "add", "address",
fmt.Sprintf("interface=%s", tun.iface.Name()), fmt.Sprintf("interface=%s", tun.iface.Name()),
fmt.Sprintf("addr=%s", addr)) fmt.Sprintf("addr=%s", addr),
"store=active")
tun.core.log.Printf("netsh command: %v", strings.Join(cmd.Args, " ")) tun.core.log.Printf("netsh command: %v", strings.Join(cmd.Args, " "))
output, err := cmd.CombinedOutput() output, err := cmd.CombinedOutput()
if err != nil { if err != nil {