Files
netbird/client/internal/routemanager/systemops/v6route_windows_test.go

35 lines
1.2 KiB
Go

//go:build windows
package systemops
import (
"bytes"
"os/exec"
"testing"
)
const loopbackIfaceWindows = "Loopback Pseudo-Interface 1"
// ensureIPv6DefaultRoute installs an IPv6 default route via the loopback
// interface so route lookups for global IPv6 prefixes resolve in environments
// without v6 connectivity. If a default already exists it is left alone.
func ensureIPv6DefaultRoute(t *testing.T) {
t.Helper()
script := `New-NetRoute -DestinationPrefix "::/0" -InterfaceAlias "` + loopbackIfaceWindows + `" -RouteMetric 9999 -PolicyStore ActiveStore -ErrorAction Stop`
out, err := exec.Command("powershell", "-Command", script).CombinedOutput()
if err != nil {
// Existing default; nothing to install or clean up.
if bytes.Contains(out, []byte("already exists")) {
return
}
t.Skipf("install IPv6 fallback default route: %v: %s", err, out)
}
t.Cleanup(func() {
script := `Remove-NetRoute -DestinationPrefix "::/0" -InterfaceAlias "` + loopbackIfaceWindows + `" -Confirm:$false -ErrorAction Stop`
if out, err := exec.Command("powershell", "-Command", script).CombinedOutput(); err != nil {
t.Logf("delete IPv6 fallback default route: %v: %s", err, out)
}
})
}