feat: tun support auto-redirect, route-address-set and route-exclude-address-set

component/cidr/ipcidr_set.go

@@ -43,12 +43,12 @@ func (set *IpCidrSet) IsContainForString(ipString string) bool {
 }
 
 func (set *IpCidrSet) IsContain(ip netip.Addr) bool {
-	return set.toIPSet().Contains(ip.WithZone(""))
+	return set.ToIPSet().Contains(ip.WithZone(""))
 }
 
 func (set *IpCidrSet) Merge() error {
 	var b netipx.IPSetBuilder
-	b.AddSet(set.toIPSet())
+	b.AddSet(set.ToIPSet())
 	i, err := b.IPSet()
 	if err != nil {
 		return err
@@ -57,7 +57,9 @@ func (set *IpCidrSet) Merge() error {
 	return nil
 }
 
-func (set *IpCidrSet) toIPSet() *netipx.IPSet {
+// ToIPSet not safe convert to *netipx.IPSet
+// be careful, must be used after Merge
+func (set *IpCidrSet) ToIPSet() *netipx.IPSet {
 	return (*netipx.IPSet)(unsafe.Pointer(set))
 }
 

component/iface/iface.go

@@ -11,8 +11,9 @@ import (
 
 type Interface struct {
 	Index        int
+	MTU          int
 	Name         string
-	Addrs        []netip.Prefix
+	Addresses    []netip.Prefix
 	HardwareAddr net.HardwareAddr
 }
 
@@ -61,8 +62,9 @@ func Interfaces() (map[string]*Interface, error) {
 
 			r[iface.Name] = &Interface{
 				Index:        iface.Index,
+				MTU:          iface.MTU,
 				Name:         iface.Name,
-				Addrs:        ipNets,
+				Addresses:    ipNets,
 				HardwareAddr: iface.HardwareAddr,
 			}
 		}
@@ -92,7 +94,7 @@ func IsLocalIp(ip netip.Addr) (bool, error) {
 		return false, err
 	}
 	for _, iface := range ifaces {
-		for _, addr := range iface.Addrs {
+		for _, addr := range iface.Addresses {
 			if addr.Contains(ip) {
 				return true, nil
 			}
@@ -120,7 +122,7 @@ func (iface *Interface) PickIPv6Addr(destination netip.Addr) (netip.Prefix, erro
 func (iface *Interface) pickIPAddr(destination netip.Addr, accept func(addr netip.Prefix) bool) (netip.Prefix, error) {
 	var fallback netip.Prefix
 
-	for _, addr := range iface.Addrs {
+	for _, addr := range iface.Addresses {
 		if !accept(addr) {
 			continue
 		}