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[client] Use platform-native routing APIs for freeBSD, macOS and Windows

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This commit is contained in:
Viktor Liu
2025-06-04 16:28:58 +02:00
committed by GitHub
parent 87148c503f
commit ea4d13e96d
53 changed files with 1552 additions and 1046 deletions
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78
client/internal/routemanager/systemops/systemops_bsd_test.go
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@@ -8,6 +8,8 @@ import (
"net/netip"
"os/exec"
"regexp"
"runtime"
"strings"
"sync"
"testing"
@@ -33,7 +35,12 @@ func init() {
func TestConcurrentRoutes(t *testing.T) {
baseIP := netip.MustParseAddr("192.0.2.0")
intf := &net.Interface{Name: "lo0"}
var intf *net.Interface
var nexthop Nexthop
_, intf = setupDummyInterface(t)
nexthop = Nexthop{netip.Addr{}, intf}
r := NewSysOps(nil, nil)
@@ -43,7 +50,7 @@ func TestConcurrentRoutes(t *testing.T) {
go func(ip netip.Addr) {
defer wg.Done()
prefix := netip.PrefixFrom(ip, 32)
if err := r.addToRouteTable(prefix, Nexthop{netip.Addr{}, intf}); err != nil {
if err := r.addToRouteTable(prefix, nexthop); err != nil {
t.Errorf("Failed to add route for %s: %v", prefix, err)
}
}(baseIP)
@@ -59,7 +66,7 @@ func TestConcurrentRoutes(t *testing.T) {
go func(ip netip.Addr) {
defer wg.Done()
prefix := netip.PrefixFrom(ip, 32)
if err := r.removeFromRouteTable(prefix, Nexthop{netip.Addr{}, intf}); err != nil {
if err := r.removeFromRouteTable(prefix, nexthop); err != nil {
t.Errorf("Failed to remove route for %s: %v", prefix, err)
}
}(baseIP)
@@ -119,18 +126,39 @@ func TestBits(t *testing.T) {
func createAndSetupDummyInterface(t *testing.T, intf string, ipAddressCIDR string) string {
t.Helper()
err := exec.Command("ifconfig", intf, "alias", ipAddressCIDR).Run()
require.NoError(t, err, "Failed to create loopback alias")
if runtime.GOOS == "darwin" {
err := exec.Command("ifconfig", intf, "alias", ipAddressCIDR).Run()
require.NoError(t, err, "Failed to create loopback alias")
t.Cleanup(func() {
err := exec.Command("ifconfig", intf, ipAddressCIDR, "-alias").Run()
assert.NoError(t, err, "Failed to remove loopback alias")
})
return intf
}
prefix, err := netip.ParsePrefix(ipAddressCIDR)
require.NoError(t, err, "Failed to parse prefix")
netIntf, err := net.InterfaceByName(intf)
require.NoError(t, err, "Failed to get interface by name")
nexthop := Nexthop{netip.Addr{}, netIntf}
r := NewSysOps(nil, nil)
err = r.addToRouteTable(prefix, nexthop)
require.NoError(t, err, "Failed to add route to table")
t.Cleanup(func() {
err := exec.Command("ifconfig", intf, ipAddressCIDR, "-alias").Run()
assert.NoError(t, err, "Failed to remove loopback alias")
err := r.removeFromRouteTable(prefix, nexthop)
assert.NoError(t, err, "Failed to remove route from table")
})
return "lo0"
return intf
}
func addDummyRoute(t *testing.T, dstCIDR string, gw net.IP, _ string) {
func addDummyRoute(t *testing.T, dstCIDR string, gw netip.Addr, _ string) {
t.Helper()
var originalNexthop net.IP
@@ -176,12 +204,40 @@ func fetchOriginalGateway() (net.IP, error) {
return net.ParseIP(matches[1]), nil
}
// setupDummyInterface creates a dummy tun interface for FreeBSD route testing
func setupDummyInterface(t *testing.T) (netip.Addr, *net.Interface) {
t.Helper()
if runtime.GOOS == "darwin" {
return netip.AddrFrom4([4]byte{192, 168, 1, 2}), &net.Interface{Name: "lo0"}
}
output, err := exec.Command("ifconfig", "tun", "create").CombinedOutput()
require.NoError(t, err, "Failed to create tun interface: %s", string(output))
tunName := strings.TrimSpace(string(output))
output, err = exec.Command("ifconfig", tunName, "192.168.1.1", "netmask", "255.255.0.0", "192.168.1.2", "up").CombinedOutput()
require.NoError(t, err, "Failed to configure tun interface: %s", string(output))
intf, err := net.InterfaceByName(tunName)
require.NoError(t, err, "Failed to get interface by name")
t.Cleanup(func() {
if err := exec.Command("ifconfig", tunName, "destroy").Run(); err != nil {
t.Logf("Failed to destroy tun interface %s: %v", tunName, err)
}
})
return netip.AddrFrom4([4]byte{192, 168, 1, 2}), intf
}
func setupDummyInterfacesAndRoutes(t *testing.T) {
t.Helper()
defaultDummy := createAndSetupDummyInterface(t, expectedExternalInt, "192.168.0.1/24")
addDummyRoute(t, "0.0.0.0/0", net.IPv4(192, 168, 0, 1), defaultDummy)
addDummyRoute(t, "0.0.0.0/0", netip.AddrFrom4([4]byte{192, 168, 0, 1}), defaultDummy)
otherDummy := createAndSetupDummyInterface(t, expectedInternalInt, "192.168.1.1/24")
addDummyRoute(t, "10.0.0.0/8", net.IPv4(192, 168, 1, 1), otherDummy)
addDummyRoute(t, "10.0.0.0/8", netip.AddrFrom4([4]byte{192, 168, 1, 1}), otherDummy)
}