Windows MTU fix and wg/win version update (#896)

- wireguard/windows version update to 0.5.3
- follow up forked wireguard-go MTU related changes
- fix MTU settings on Windows

---------

Co-authored-by: Maycon Santos <mlsmaycon@gmail.com>

go.mod

@@ -21,7 +21,7 @@ require (
 	golang.org/x/sys v0.6.0
 	golang.zx2c4.com/wireguard v0.0.0-20230223181233-21636207a675
 	golang.zx2c4.com/wireguard/wgctrl v0.0.0-20211215182854-7a385b3431de
-	golang.zx2c4.com/wireguard/windows v0.5.1
+	golang.zx2c4.com/wireguard/windows v0.5.3
 	google.golang.org/grpc v1.52.3
 	google.golang.org/protobuf v1.28.1
 	gopkg.in/natefinch/lumberjack.v2 v2.0.0
@@ -143,4 +143,4 @@ replace github.com/kardianos/service => github.com/netbirdio/service v0.0.0-2023
 
 replace github.com/getlantern/systray => github.com/netbirdio/systray v0.0.0-20221012095658-dc8eda872c0c
 
-replace golang.zx2c4.com/wireguard => github.com/netbirdio/wireguard-go v0.0.0-20230426151838-5c7986a94d53
+replace golang.zx2c4.com/wireguard => github.com/netbirdio/wireguard-go v0.0.0-20230524172305-5a498a82b33f

go.sum

@@ -485,8 +485,8 @@ github.com/netbirdio/service v0.0.0-20230215170314-b923b89432b0 h1:hirFRfx3grVA/
 github.com/netbirdio/service v0.0.0-20230215170314-b923b89432b0/go.mod h1:CIMRFEJVL+0DS1a3Nx06NaMn4Dz63Ng6O7dl0qH0zVM=
 github.com/netbirdio/systray v0.0.0-20221012095658-dc8eda872c0c h1:wK/s4nyZj/GF/kFJQjX6nqNfE0G3gcqd6hhnPCyp4sw=
 github.com/netbirdio/systray v0.0.0-20221012095658-dc8eda872c0c/go.mod h1:AecygODWIsBquJCJFop8MEQcJbWFfw/1yWbVabNgpCM=
-github.com/netbirdio/wireguard-go v0.0.0-20230426151838-5c7986a94d53 h1:OPbKpisDyMbOf/TDYS0Niw7yc/uoviED/pKyO+8A1C0=
+github.com/netbirdio/wireguard-go v0.0.0-20230524172305-5a498a82b33f h1:WQXGYCKPkNs1KusFTLieV73UVTNfZVyez4CFRvlOruM=
-github.com/netbirdio/wireguard-go v0.0.0-20230426151838-5c7986a94d53/go.mod h1:tqur9LnfstdR9ep2LaJT4lFUl0EjlHtge+gAjmsHUG4=
+github.com/netbirdio/wireguard-go v0.0.0-20230524172305-5a498a82b33f/go.mod h1:tqur9LnfstdR9ep2LaJT4lFUl0EjlHtge+gAjmsHUG4=
 github.com/nfnt/resize v0.0.0-20180221191011-83c6a9932646/go.mod h1:jpp1/29i3P1S/RLdc7JQKbRpFeM1dOBd8T9ki5s+AY8=
 github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e/go.mod h1:zD1mROLANZcx1PVRCS0qkT7pwLkGfwJo4zjcN/Tysno=
 github.com/nxadm/tail v1.4.4/go.mod h1:kenIhsEOeOJmVchQTgglprH7qJGnHDVpk1VPCcaMI8A=
@@ -1037,8 +1037,8 @@ golang.zx2c4.com/wintun v0.0.0-20230126152724-0fa3db229ce2 h1:B82qJJgjvYKsXS9jeu
 golang.zx2c4.com/wintun v0.0.0-20230126152724-0fa3db229ce2/go.mod h1:deeaetjYA+DHMHg+sMSMI58GrEteJUUzzw7en6TJQcI=
 golang.zx2c4.com/wireguard/wgctrl v0.0.0-20211215182854-7a385b3431de h1:qDZ+lyO5jC9RNJ7ANJA0GWXk3pSn0Fu5SlcAIlgw+6w=
 golang.zx2c4.com/wireguard/wgctrl v0.0.0-20211215182854-7a385b3431de/go.mod h1:Q2XNgour4QSkFj0BWCkVlW0HWJwQgNMsMahpSlI0Eno=
-golang.zx2c4.com/wireguard/windows v0.5.1 h1:OnYw96PF+CsIMrqWo5QP3Q59q5hY1rFErk/yN3cS+JQ=
+golang.zx2c4.com/wireguard/windows v0.5.3 h1:On6j2Rpn3OEMXqBq00QEDC7bWSZrPIHKIus8eIuExIE=
-golang.zx2c4.com/wireguard/windows v0.5.1/go.mod h1:EApyTk/ZNrkbZjurHL1nleDYnsPpJYBO7LZEBCyDAHk=
+golang.zx2c4.com/wireguard/windows v0.5.3/go.mod h1:9TEe8TJmtwyQebdFwAkEWOPr3prrtqm+REGFifP60hI=
 google.golang.org/api v0.4.0/go.mod h1:8k5glujaEP+g9n7WNsDg8QP6cUVNI86fCNMcbazEtwE=
 google.golang.org/api v0.7.0/go.mod h1:WtwebWUNSVBH/HAw79HIFXZNqEvBhG+Ra+ax0hx3E3M=
 google.golang.org/api v0.8.0/go.mod h1:o4eAsZoiT+ibD93RtjEohWalFOjRDx6CVaqeizhEnKg=

iface/tun_windows.go

@@ -3,9 +3,11 @@ package iface
 import (
 	"fmt"
 	"net"
+	"net/netip"
 
 	"github.com/pion/transport/v2"
 	log "github.com/sirupsen/logrus"
+	"golang.org/x/sys/windows"
 	"golang.zx2c4.com/wireguard/device"
 	"golang.zx2c4.com/wireguard/ipc"
 	"golang.zx2c4.com/wireguard/tun"
@@ -50,7 +52,6 @@ func (c *tunDevice) createWithUserspace() (NetInterface, error) {
 	if err != nil {
 		return nil, err
 	}
-
 	// We need to create a wireguard-go device and listen to configuration requests
 	tunDev := device.NewDevice(tunIface, c.iceBind, device.NewLogger(device.LogLevelSilent, "[netbird] "))
 	err = tunDev.Up()
@@ -59,6 +60,22 @@ func (c *tunDevice) createWithUserspace() (NetInterface, error) {
 		return nil, err
 	}
 
+	luid := winipcfg.LUID(tunIface.(*tun.NativeTun).LUID())
+
+	nbiface, err := luid.IPInterface(windows.AF_INET)
+	if err != nil {
+		_ = tunIface.Close()
+		return nil, fmt.Errorf("got error when getting ip interface %s", err)
+	}
+
+	nbiface.NLMTU = uint32(c.mtu)
+
+	err = nbiface.Set()
+	if err != nil {
+		_ = tunIface.Close()
+		return nil, fmt.Errorf("got error when getting setting the interface mtu: %s", err)
+	}
+
 	c.uapi, err = c.getUAPI(c.name)
 	if err != nil {
 		_ = tunIface.Close()
@@ -142,7 +159,7 @@ func (c *tunDevice) assignAddr() error {
 	tunDev := c.netInterface.(*tun.NativeTun)
 	luid := winipcfg.LUID(tunDev.LUID())
 	log.Debugf("adding address %s to interface: %s", c.address.IP, c.name)
-	return luid.SetIPAddresses([]net.IPNet{{c.address.IP, c.address.Network.Mask}})
+	return luid.SetIPAddresses([]netip.Prefix{netip.MustParsePrefix(c.address.String())})
 }
 
 // getUAPI returns a Listener