LF

2024-07-26 22:27:24 +08:00
parent 2dea3a718d
commit 9c3d557f5d
18 changed files with 4041 additions and 4041 deletions
@@ -1,133 +1,133 @@
-//go:build !android
-// +build !android
-
-// optun_linux.go
-package openp2p
-
-import (
-	"fmt"
-	"net"
-	"os/exec"
-	"strings"
-
-	"github.com/openp2p-cn/wireguard-go/tun"
-	"github.com/vishvananda/netlink"
-)
-
-const (
-	tunIfaceName = "optun"
-	PIHeaderSize = 0
-)
-
-var previousIP = ""
-
-func (t *optun) Start(localAddr string, detail *SDWANInfo) error {
-	var err error
-	t.tunName = tunIfaceName
-	t.dev, err = tun.CreateTUN(t.tunName, 1420)
-	if err != nil {
-		return err
-	}
-	return nil
-}
-
-func (t *optun) Read(bufs [][]byte, sizes []int, offset int) (n int, err error) {
-	return t.dev.Read(bufs, sizes, offset)
-}
-
-func (t *optun) Write(bufs [][]byte, offset int) (int, error) {
-	return t.dev.Write(bufs, offset)
-}
-
-func setTunAddr(ifname, localAddr, remoteAddr string, wintun interface{}) error {
-	ifce, err := netlink.LinkByName(ifname)
-	if err != nil {
-		return err
-	}
-	netlink.LinkSetMTU(ifce, 1375)
-	netlink.LinkSetTxQLen(ifce, 100)
-	netlink.LinkSetUp(ifce)
-
-	ln, err := netlink.ParseIPNet(localAddr)
-	if err != nil {
-		return err
-	}
-	ln.Mask = net.CIDRMask(32, 32)
-	rn, err := netlink.ParseIPNet(remoteAddr)
-	if err != nil {
-		return err
-	}
-	rn.Mask = net.CIDRMask(32, 32)
-
-	addr := &netlink.Addr{
-		IPNet: ln,
-		Peer:  rn,
-	}
-	if previousIP != "" {
-		lnDel, err := netlink.ParseIPNet(previousIP)
-		if err != nil {
-			return err
-		}
-		lnDel.Mask = net.CIDRMask(32, 32)
-
-		addrDel := &netlink.Addr{
-			IPNet: lnDel,
-			Peer:  rn,
-		}
-		netlink.AddrDel(ifce, addrDel)
-	}
-	previousIP = localAddr
-	return netlink.AddrAdd(ifce, addr)
-}
-
-func addRoute(dst, gw, ifname string) error {
-	_, networkid, err := net.ParseCIDR(dst)
-	if err != nil {
-		return err
-	}
-	ipGW := net.ParseIP(gw)
-	if ipGW == nil {
-		return fmt.Errorf("parse gateway %s failed", gw)
-	}
-	route := &netlink.Route{
-		Dst: networkid,
-		Gw:  ipGW,
-	}
-	return netlink.RouteAdd(route)
-}
-
-func delRoute(dst, gw string) error {
-	_, networkid, err := net.ParseCIDR(dst)
-	if err != nil {
-		return err
-	}
-	route := &netlink.Route{
-		Dst: networkid,
-	}
-	return netlink.RouteDel(route)
-}
-
-func delRoutesByGateway(gateway string) error {
-	cmd := exec.Command("route", "-n")
-	output, err := cmd.Output()
-	if err != nil {
-		return err
-	}
-
-	lines := strings.Split(string(output), "\n")
-	for _, line := range lines {
-		if !strings.Contains(line, gateway) {
-			continue
-		}
-		fields := strings.Fields(line)
-		if len(fields) >= 8 && fields[1] == "0.0.0.0" && fields[7] == gateway {
-			delCmd := exec.Command("route", "del", "-net", fields[0], "gw", gateway)
-			err := delCmd.Run()
-			if err != nil {
-				return err
-			}
-			fmt.Printf("Delete route ok: %s %s %s\n", fields[0], fields[1], gateway)
-		}
-	}
-	return nil
-}
+//go:build !android
+// +build !android
+
+// optun_linux.go
+package openp2p
+
+import (
+	"fmt"
+	"net"
+	"os/exec"
+	"strings"
+
+	"github.com/openp2p-cn/wireguard-go/tun"
+	"github.com/vishvananda/netlink"
+)
+
+const (
+	tunIfaceName = "optun"
+	PIHeaderSize = 0
+)
+
+var previousIP = ""
+
+func (t *optun) Start(localAddr string, detail *SDWANInfo) error {
+	var err error
+	t.tunName = tunIfaceName
+	t.dev, err = tun.CreateTUN(t.tunName, 1420)
+	if err != nil {
+		return err
+	}
+	return nil
+}
+
+func (t *optun) Read(bufs [][]byte, sizes []int, offset int) (n int, err error) {
+	return t.dev.Read(bufs, sizes, offset)
+}
+
+func (t *optun) Write(bufs [][]byte, offset int) (int, error) {
+	return t.dev.Write(bufs, offset)
+}
+
+func setTunAddr(ifname, localAddr, remoteAddr string, wintun interface{}) error {
+	ifce, err := netlink.LinkByName(ifname)
+	if err != nil {
+		return err
+	}
+	netlink.LinkSetMTU(ifce, 1375)
+	netlink.LinkSetTxQLen(ifce, 100)
+	netlink.LinkSetUp(ifce)
+
+	ln, err := netlink.ParseIPNet(localAddr)
+	if err != nil {
+		return err
+	}
+	ln.Mask = net.CIDRMask(32, 32)
+	rn, err := netlink.ParseIPNet(remoteAddr)
+	if err != nil {
+		return err
+	}
+	rn.Mask = net.CIDRMask(32, 32)
+
+	addr := &netlink.Addr{
+		IPNet: ln,
+		Peer:  rn,
+	}
+	if previousIP != "" {
+		lnDel, err := netlink.ParseIPNet(previousIP)
+		if err != nil {
+			return err
+		}
+		lnDel.Mask = net.CIDRMask(32, 32)
+
+		addrDel := &netlink.Addr{
+			IPNet: lnDel,
+			Peer:  rn,
+		}
+		netlink.AddrDel(ifce, addrDel)
+	}
+	previousIP = localAddr
+	return netlink.AddrAdd(ifce, addr)
+}
+
+func addRoute(dst, gw, ifname string) error {
+	_, networkid, err := net.ParseCIDR(dst)
+	if err != nil {
+		return err
+	}
+	ipGW := net.ParseIP(gw)
+	if ipGW == nil {
+		return fmt.Errorf("parse gateway %s failed", gw)
+	}
+	route := &netlink.Route{
+		Dst: networkid,
+		Gw:  ipGW,
+	}
+	return netlink.RouteAdd(route)
+}
+
+func delRoute(dst, gw string) error {
+	_, networkid, err := net.ParseCIDR(dst)
+	if err != nil {
+		return err
+	}
+	route := &netlink.Route{
+		Dst: networkid,
+	}
+	return netlink.RouteDel(route)
+}
+
+func delRoutesByGateway(gateway string) error {
+	cmd := exec.Command("route", "-n")
+	output, err := cmd.Output()
+	if err != nil {
+		return err
+	}
+
+	lines := strings.Split(string(output), "\n")
+	for _, line := range lines {
+		if !strings.Contains(line, gateway) {
+			continue
+		}
+		fields := strings.Fields(line)
+		if len(fields) >= 8 && fields[1] == "0.0.0.0" && fields[7] == gateway {
+			delCmd := exec.Command("route", "del", "-net", fields[0], "gw", gateway)
+			err := delCmd.Run()
+			if err != nil {
+				return err
+			}
+			fmt.Printf("Delete route ok: %s %s %s\n", fields[0], fields[1], gateway)
+		}
+	}
+	return nil
+}