Refactor: fakeip pool use netip.Prefix, supports ipv6 range

listener/listener.go

@@ -6,6 +6,7 @@ import (
 	"crypto/x509"
 	"fmt"
 	"net"
+	"net/netip"
 	"os"
 	"strconv"
 	"sync"
@@ -318,7 +319,7 @@ func ReCreateMixed(port int, tcpIn chan<- C.ConnContext, udpIn chan<- *inbound.P
 	log.Infoln("Mixed(http+socks) proxy listening at: %s", mixedListener.Address())
 }
 
-func ReCreateTun(tunConf *config.Tun, tunAddressPrefix string, tcpIn chan<- C.ConnContext, udpIn chan<- *inbound.PacketAdapter) {
+func ReCreateTun(tunConf *config.Tun, tunAddressPrefix *netip.Prefix, tcpIn chan<- C.ConnContext, udpIn chan<- *inbound.PacketAdapter) {
 	tunMux.Lock()
 	defer tunMux.Unlock()
 

listener/tun/tun_adapter.go

@@ -24,13 +24,13 @@ import (
 )
 
 // New TunAdapter
-func New(tunConf *config.Tun, tunAddressPrefix string, tcpIn chan<- C.ConnContext, udpIn chan<- *inbound.PacketAdapter) (ipstack.Stack, error) {
+func New(tunConf *config.Tun, tunAddressPrefix *netip.Prefix, tcpIn chan<- C.ConnContext, udpIn chan<- *inbound.PacketAdapter) (ipstack.Stack, error) {
 	var (
-		tunAddress, _ = netip.ParsePrefix(tunAddressPrefix)
-		devName       = tunConf.Device
-		stackType     = tunConf.Stack
-		autoRoute     = tunConf.AutoRoute
-		mtu           = 9000
+		tunAddress = netip.Prefix{}
+		devName    = tunConf.Device
+		stackType  = tunConf.Stack
+		autoRoute  = tunConf.AutoRoute
+		mtu        = 9000
 
 		tunDevice device.Device
 		tunStack  ipstack.Stack
@@ -42,6 +42,10 @@ func New(tunConf *config.Tun, tunAddressPrefix string, tcpIn chan<- C.ConnContex
 		devName = generateDeviceName()
 	}
 
+	if tunAddressPrefix != nil {
+		tunAddress = *tunAddressPrefix
+	}
+
 	if !tunAddress.IsValid() || !tunAddress.Addr().Is4() {
 		tunAddress = netip.MustParsePrefix("198.18.0.1/16")
 	}
@@ -144,6 +148,8 @@ func setAtLatest(stackType C.TUNStack, devName string) {
 	}
 
 	switch runtime.GOOS {
+	case "darwin":
+		_, _ = cmd.ExecCmd("sysctl net.inet.ip.forwarding=1")
 	case "windows":
 		_, _ = cmd.ExecCmd("ipconfig /renew")
 	case "linux":