Chore: format with go 1.17

README.md

@@ -37,9 +37,9 @@ Documentations are now moved to [GitHub Wiki](https://github.com/Dreamacro/clash
 
 ## Advanced usage for this fork branch
 ### TUN configuration
-Support macOS,Linux and Windows.
+Supports macOS, Linux and Windows.
 
-For Windows, you should download the [Wintun](https://www.wintun.net) driver and copy `wintun.dll` into the System32 directory.
+On Windows, you should download the [Wintun](https://www.wintun.net) driver and copy `wintun.dll` into Clash home directory.
 ```yaml
 # Enable the TUN listener
 tun:
@@ -53,11 +53,12 @@ tun:
 - Support `multiport` condition for rule `SRC-PORT` and `DST-PORT`.
 - Support not match condition for rule `GEOIP`.
 - Support `network` condition for all rules.
+- Support source IPCIDR condition for all rules, just append to the end.
 
 The `GEOSITE` and `GEOIP` databases via https://github.com/Loyalsoldier/v2ray-rules-dat.
 ```yaml
 rules:
-  # network condition for rules
+  # network condition for all rules
   - DOMAIN-SUFFIX,bilibili.com,DIRECT,tcp
   - DOMAIN-SUFFIX,bilibili.com,REJECT,udp
     
@@ -84,6 +85,9 @@ rules:
   # Not match condition for rule GEOIP
   #- GEOIP,!cn,PROXY
     
+  # source IPCIDR condition for all rules in gateway proxy
+  #- GEOIP,!cn,PROXY,192.168.1.88/32,192.168.1.99/32
+
   - MATCH,PROXY
 ```
 
@@ -100,7 +104,6 @@ proxies:
     uuid: uuid
     network: tcp
     servername: example.com # AKA SNI
-    # udp: true
     # flow: xtls-rprx-direct # xtls-rprx-origin  # enable XTLS
     # skip-cert-verify: true
     
@@ -116,49 +119,6 @@ proxies:
     ws-path: /path
     ws-headers:
       Host: example.com
-
-  - name: "vless-h2"
-    type: vless
-    server: server
-    port: 443
-    uuid: uuid
-    network: h2
-    servername: example.com
-    # skip-cert-verify: true
-    h2-opts:
-      host:
-        - http.example.com
-        - http-alt.example.com
-      path: /
-
-  - name: "vless-http"
-    type: vless
-    server: server
-    port: 443
-    uuid: uuid
-    # udp: true
-    network: http
-    servername: example.com
-    # skip-cert-verify: true
-    http-opts:
-      method: "GET"
-      path:
-        - '/'
-        - '/video'
-      headers:
-        Connection:
-          - keep-alive
-
-  - name: vless-grpc
-    server: server
-    port: 443
-    type: vless
-    uuid: uuid
-    network: grpc
-    servername: example.com
-    # skip-cert-verify: true
-    grpc-opts:
-      grpc-service-name: "example"
 ```
 
 ### IPTABLES auto-configuration

listener/tun/dev/dev_darwin.go

@@ -1,3 +1,4 @@
+//go:build darwin
 // +build darwin
 
 package dev

listener/tun/dev/dev_linux.go

@@ -1,3 +1,4 @@
+//go:build linux || android
 // +build linux android
 
 package dev

listener/tun/dev/dev_unsupport.go

@@ -1,3 +1,4 @@
+//go:build !linux && !android && !darwin && !windows
 // +build !linux,!android,!darwin,!windows
 
 package dev

listener/tun/dev/dev_windows.go

@@ -1,5 +1,9 @@
+//go:build windows
 // +build windows
 
+// Modified from: https://git.zx2c4.com/wireguard-go/tree/tun/tun_windows.go and https://git.zx2c4.com/wireguard-windows/tree/tunnel/addressconfig.go
+// SPDX-License-Identifier: MIT
+
 package dev
 
 import (
@@ -38,8 +42,8 @@ type rateJuggler struct {
 type tunWindows struct {
 	wt        *wintun.Adapter
 	handle    windows.Handle
-	closed    bool
+	close     int32
-	closing   sync.RWMutex
+	running   sync.WaitGroup
 	forcedMTU int
 	rate      rateJuggler
 	session   wintun.Session
@@ -152,31 +156,30 @@ func CreateTUNWithRequestedGUID(ifname string, requestedGUID *windows.GUID, mtu
 }
 
 func (tun *tunWindows) getName() (string, error) {
-	tun.closing.RLock()
+	tun.running.Add(1)
-	defer tun.closing.RUnlock()
+	defer tun.running.Done()
-	if tun.closed {
+	if atomic.LoadInt32(&tun.close) == 1 {
 		return "", os.ErrClosed
 	}
 	return tun.wt.Name()
 }
 
 func (tun *tunWindows) IsClose() bool {
-	return tun.closed
+	return atomic.LoadInt32(&tun.close) == 1
 }
 
 func (tun *tunWindows) Close() error {
 	tun.stopOnce.Do(func() {
-		//tun.closing.Lock()
+		atomic.StoreInt32(&tun.close, 1)
-		//defer tun.closing.Unlock()
+		//tun.running.Wait()
-		tun.closed = true
 		tun.session.End()
 		if tun.wt != nil {
 			forceCloseSessions := false
 			rebootRequired, err := tun.wt.Delete(forceCloseSessions)
 			if rebootRequired {
-				log.Infoln("Delete Wintun failure, Windows indicated a reboot is required.")
+				log.Infoln("Remove Wintun failure, Windows indicated a reboot is required.")
 			} else {
-				log.Infoln("Delete Wintun success.")
+				log.Infoln("Remove Wintun adapter success.")
 			}
 			if err != nil {
 				log.Errorln("Close Wintun Sessions failure: %v", err)
@@ -202,16 +205,16 @@ func (tun *tunWindows) Read(buff []byte) (int, error) {
 // Note: Read() and Write() assume the caller comes only from a single thread; there's no locking.
 
 func (tun *tunWindows) ReadO(buff []byte, offset int) (int, error) {
-	tun.closing.RLock()
+	tun.running.Add(1)
-	defer tun.closing.RUnlock()
+	defer tun.running.Done()
 retry:
-	if tun.closed {
+	if atomic.LoadInt32(&tun.close) == 1 {
 		return 0, os.ErrClosed
 	}
 	start := nanotime()
 	shouldSpin := atomic.LoadUint64(&tun.rate.current) >= spinloopRateThreshold && uint64(start-atomic.LoadInt64(&tun.rate.nextStartTime)) <= rateMeasurementGranularity*2
 	for {
-		if tun.closed {
+		if atomic.LoadInt32(&tun.close) == 1 {
 			return 0, os.ErrClosed
 		}
 		packet, err := tun.session.ReceivePacket()
@@ -247,12 +250,15 @@ func (tun *tunWindows) Write(buff []byte) (int, error) {
 }
 
 func (tun *tunWindows) WriteO(buff []byte, offset int) (int, error) {
-	tun.closing.RLock()
+	tun.running.Add(1)
-	defer tun.closing.RUnlock()
+	defer tun.running.Done()
-	if tun.closed {
+	if atomic.LoadInt32(&tun.close) == 1 {
 		return 0, os.ErrClosed
 	}
 
+	if len(buff) == 0 {
+		return 0, nil
+	}
 	packetSize := len(buff) - offset
 	tun.rate.update(uint64(packetSize))
 
@@ -273,9 +279,9 @@ func (tun *tunWindows) WriteO(buff []byte, offset int) (int, error) {
 
 // LUID returns Windows interface instance ID.
 func (tun *tunWindows) LUID() uint64 {
-	tun.closing.RLock()
+	tun.running.Add(1)
-	defer tun.closing.RUnlock()
+	defer tun.running.Done()
-	if tun.closed {
+	if atomic.LoadInt32(&tun.close) == 1 {
 		return 0
 	}
 	return tun.wt.LUID()
@@ -311,7 +317,7 @@ func (t *tunWindows) URL() string {
 
 func (tun *tunWindows) configureInterface() error {
 	luid := winipcfg.LUID(tun.LUID())
-
+	log.Infoln("[wintun]: tun adapter LUID: %d", luid)
 	mtu, err := tun.MTU()
 
 	if err != nil {
@@ -338,18 +344,17 @@ func (tun *tunWindows) configureInterface() error {
 		return err
 	}
 	err = luid.FlushRoutes(familyV6)
-	if err != nil {
+	//if err != nil {
-		return err
+	//	return err
-	}
+	//}
 
 	err = luid.SetIPAddressesForFamily(family, addresses)
-
 	if err == windows.ERROR_OBJECT_ALREADY_EXISTS {
 		cleanupAddressesOnDisconnectedInterfaces(family, addresses)
 		err = luid.SetIPAddressesForFamily(family, addresses)
 	}
 	if err != nil {
-		return err
+		return fmt.Errorf("unable to set ips %+v: %w", addresses, err)
 	}
 
 	foundDefault4 := false
@@ -357,6 +362,7 @@ func (tun *tunWindows) configureInterface() error {
 
 	if tun.autoRoute {
 		allowedIPs := []*winipcfg.IPCidr{
+			//winipcfg.ParseIPCidr("0.0.0.0/0"),
 			winipcfg.ParseIPCidr("1.0.0.0/8"),
 			winipcfg.ParseIPCidr("2.0.0.0/7"),
 			winipcfg.ParseIPCidr("4.0.0.0/6"),
@@ -427,7 +433,7 @@ func (tun *tunWindows) configureInterface() error {
 
 		err = luid.SetRoutesForFamily(family, deduplicatedRoutes)
 		if err != nil {
-			return err
+			return fmt.Errorf("unable to set routes %+v: %w", deduplicatedRoutes, err)
 		}
 	}
 
@@ -435,38 +441,42 @@ func (tun *tunWindows) configureInterface() error {
 	if err != nil {
 		return err
 	}
+	ipif.RouterDiscoveryBehavior = winipcfg.RouterDiscoveryDisabled
+	ipif.DadTransmits = 0
+	ipif.ManagedAddressConfigurationSupported = false
+	ipif.OtherStatefulConfigurationSupported = false
 
 	ipif.NLMTU = uint32(mtu)
 
-	if family == windows.AF_INET {
+	if (family == windows.AF_INET && foundDefault4) || (family == windows.AF_INET6 && foundDefault6) {
-		if foundDefault4 {
 		ipif.UseAutomaticMetric = false
 		ipif.Metric = 0
 	}
-	} else if family == windows.AF_INET6 {
-		if foundDefault6 {
-			ipif.UseAutomaticMetric = false
-			ipif.Metric = 0
-		}
-		ipif.DadTransmits = 0
-		ipif.RouterDiscoveryBehavior = winipcfg.RouterDiscoveryDisabled
-	}
 
 	err = ipif.Set()
 	if err != nil {
-		return err
+		return fmt.Errorf("unable to set metric and MTU: %w", err)
 	}
 
 	ipif6, err := luid.IPInterface(familyV6)
+	ipif6.RouterDiscoveryBehavior = winipcfg.RouterDiscoveryDisabled
+	ipif6.DadTransmits = 0
+	ipif6.ManagedAddressConfigurationSupported = false
+	ipif6.OtherStatefulConfigurationSupported = false
 	if err != nil {
 		return err
 	}
 	err = ipif6.Set()
 	if err != nil {
-		return err
+		return fmt.Errorf("unable to set v6 metric and MTU: %w", err)
 	}
 
-	return luid.SetDNS(family, []net.IP{net.ParseIP("198.18.0.2")}, nil)
+	err = luid.SetDNS(family, []net.IP{net.ParseIP("198.18.0.2")}, nil)
+	if err != nil {
+		return fmt.Errorf("unable to set DNS %s %s: %w", "198.18.0.2", "nil", err)
+	}
+
+	return nil
 }
 
 func cleanupAddressesOnDisconnectedInterfaces(family winipcfg.AddressFamily, addresses []net.IPNet) {

listener/tun/dev/winipcfg/config.go

@@ -1,3 +1,4 @@
+//go:build windows
 // +build windows
 
 package winipcfg

listener/tun/dev/winipcfg/interface_change_handler.go

@@ -1,5 +1,11 @@
+//go:build windows
 // +build windows
 
+/* SPDX-License-Identifier: MIT
+ *
+ * Copyright (C) 2019-2021 WireGuard LLC. All Rights Reserved.
+ */
+
 package winipcfg
 
 import (

listener/tun/dev/winipcfg/luid.go

@@ -1,9 +1,16 @@
+//go:build windows
 // +build windows
 
+/* SPDX-License-Identifier: MIT
+ *
+ * Copyright (C) 2019-2021 WireGuard LLC. All Rights Reserved.
+ */
+
 package winipcfg
 
 import (
 	"errors"
+	"fmt"
 	"net"
 	"strings"
 
@@ -95,6 +102,9 @@ func (luid LUID) AddIPAddress(address net.IPNet) error {
 	row := &MibUnicastIPAddressRow{}
 	row.Init()
 	row.InterfaceLUID = luid
+	row.DadState = DadStatePreferred
+	row.ValidLifetime = 0xffffffff
+	row.PreferredLifetime = 0xffffffff
 	err := row.Address.SetIP(address.IP, 0)
 	if err != nil {
 		return err
@@ -186,6 +196,8 @@ func (luid LUID) Route(destination net.IPNet, nextHop net.IP) (*MibIPforwardRow2
 	row := &MibIPforwardRow2{}
 	row.Init()
 	row.InterfaceLUID = luid
+	row.ValidLifetime = 0xffffffff
+	row.PreferredLifetime = 0xffffffff
 	err := row.DestinationPrefix.SetIPNet(destination)
 	if err != nil {
 		return nil, err
@@ -210,14 +222,19 @@ func (luid LUID) AddRoute(destination net.IPNet, nextHop net.IP, metric uint32)
 	row.InterfaceLUID = luid
 	err := row.DestinationPrefix.SetIPNet(destination)
 	if err != nil {
-		return err
+		return fmt.Errorf("AddRoute1: %w", err)
 	}
 	err = row.NextHop.SetIP(nextHop, 0)
 	if err != nil {
-		return err
+		return fmt.Errorf("AddRoute2: %w", err)
 	}
 	row.Metric = metric
-	return row.Create()
+
+	err = row.Create()
+	if err != nil {
+		return fmt.Errorf("AddRoute3: %w", err)
+	}
+	return nil
 }
 
 // AddRoutes method adds multiple routes to the interface.
@@ -242,10 +259,11 @@ func (luid LUID) SetRoutes(routesData []*RouteData) error {
 
 // SetRoutesForFamily method sets (flush than add) multiple routes for a specific family to the interface.
 func (luid LUID) SetRoutesForFamily(family AddressFamily, routesData []*RouteData) error {
-	err := luid.FlushRoutes(family)
+	//err := luid.FlushRoutes(family)
-	if err != nil {
+	//if err != nil {
-		return err
+	//	return err
-	}
+	//}
+	_ = luid.FlushRoutes(family)
 	for _, rd := range routesData {
 		asV4 := rd.Destination.IP.To4()
 		if asV4 == nil && family == windows.AF_INET {
@@ -288,7 +306,7 @@ func (luid LUID) FlushRoutes(family AddressFamily) error {
 	var tab *mibIPforwardTable2
 	err := getIPForwardTable2(family, &tab)
 	if err != nil {
-		return err
+		return fmt.Errorf("FlushRoutes1: %w", err)
 	}
 	t := tab.get()
 	for i := range t {
@@ -300,7 +318,10 @@ func (luid LUID) FlushRoutes(family AddressFamily) error {
 		}
 	}
 	tab.free()
-	return err
+	if err != nil {
+		return fmt.Errorf("FlushRoutes2: %w", err)
+	}
+	return nil
 }
 
 // DNS method returns all DNS server addresses associated with the adapter.
@@ -350,17 +371,17 @@ func (luid LUID) SetDNS(family AddressFamily, servers []net.IP, domains []string
 	if err != nil {
 		return err
 	}
-	var maybeV6 uint64
+	dnsInterfaceSettings := &DnsInterfaceSettings{
-	if family == windows.AF_INET6 {
+		Version:    DnsInterfaceSettingsVersion1,
-		maybeV6 = disFlagsIPv6
+		Flags:      DnsInterfaceSettingsFlagNameserver | DnsInterfaceSettingsFlagSearchList,
-	}
-	// For >= Windows 10 1809
-	err = setInterfaceDnsSettings(*guid, &dnsInterfaceSettings{
-		Version:    disVersion1,
-		Flags:      disFlagsNameServer | disFlagsSearchList | maybeV6,
 		NameServer: servers16,
 		SearchList: domains16,
-	})
+	}
+	if family == windows.AF_INET6 {
+		dnsInterfaceSettings.Flags |= DnsInterfaceSettingsFlagIPv6
+	}
+	// For >= Windows 10 1809
+	err = SetInterfaceDnsSettings(*guid, dnsInterfaceSettings)
 	if err == nil || !errors.Is(err, windows.ERROR_PROC_NOT_FOUND) {
 		return err
 	}

listener/tun/dev/winipcfg/mksyscall.go

@@ -1,3 +1,11 @@
+//go:build windows
+// +build windows
+
+/* SPDX-License-Identifier: MIT
+ *
+ * Copyright (C) 2019-2021 WireGuard LLC. All Rights Reserved.
+ */
+
 package winipcfg
 
 //go:generate go run golang.org/x/sys/windows/mkwinsyscall -output zwinipcfg_windows.go winipcfg.go

listener/tun/dev/winipcfg/netsh.go

@@ -1,5 +1,11 @@
+//go:build windows
 // +build windows
 
+/* SPDX-License-Identifier: MIT
+ *
+ * Copyright (C) 2019-2021 WireGuard LLC. All Rights Reserved.
+ */
+
 package winipcfg
 
 import (

listener/tun/dev/winipcfg/package_info.go

@@ -0,0 +1,7 @@
+//go:build windows
+// +build windows
+
+// Modified from: https://git.zx2c4.com/wireguard-windows/tree/tunnel/winipcfg
+// License: MIT
+
+package winipcfg

listener/tun/dev/winipcfg/route_change_handler.go

@@ -1,5 +1,11 @@
+//go:build windows
 // +build windows
 
+/* SPDX-License-Identifier: MIT
+ *
+ * Copyright (C) 2019-2021 WireGuard LLC. All Rights Reserved.
+ */
+
 package winipcfg
 
 import (

listener/tun/dev/winipcfg/types.go

@@ -1,8 +1,16 @@
+//go:build windows
 // +build windows
 
+/* SPDX-License-Identifier: MIT
+ *
+ * Copyright (C) 2019-2021 WireGuard LLC. All Rights Reserved.
+ */
+
 package winipcfg
 
 import (
+	"encoding/binary"
+	"fmt"
 	"net"
 	"unsafe"
 
@@ -584,6 +592,10 @@ type RouteData struct {
 	Metric      uint32
 }
 
+func (routeData *RouteData) String() string {
+	return fmt.Sprintf("%+v", *routeData)
+}
+
 // IPAdapterDNSSuffix structure stores a DNS suffix in a linked list of DNS suffixes for a particular adapter.
 // https://docs.microsoft.com/en-us/windows/desktop/api/iptypes/ns-iptypes-_ip_adapter_dns_suffix
 type IPAdapterDNSSuffix struct {
@@ -731,6 +743,16 @@ type RawSockaddrInet struct {
 	data   [26]byte
 }
 
+func ntohs(i uint16) uint16 {
+	return binary.BigEndian.Uint16((*[2]byte)(unsafe.Pointer(&i))[:])
+}
+
+func htons(i uint16) uint16 {
+	b := make([]byte, 2)
+	binary.BigEndian.PutUint16(b, i)
+	return *(*uint16)(unsafe.Pointer(&b[0]))
+}
+
 // SetIP method sets family, address, and port to the given IPv4 or IPv6 address and port.
 // All other members of the structure are set to zero.
 func (addr *RawSockaddrInet) SetIP(ip net.IP, port uint16) error {
@@ -738,7 +760,7 @@ func (addr *RawSockaddrInet) SetIP(ip net.IP, port uint16) error {
 		addr4 := (*windows.RawSockaddrInet4)(unsafe.Pointer(addr))
 		addr4.Family = windows.AF_INET
 		copy(addr4.Addr[:], v4)
-		addr4.Port = port
+		addr4.Port = htons(port)
 		for i := 0; i < 8; i++ {
 			addr4.Zero[i] = 0
 		}
@@ -748,7 +770,7 @@ func (addr *RawSockaddrInet) SetIP(ip net.IP, port uint16) error {
 	if v6 := ip.To16(); v6 != nil {
 		addr6 := (*windows.RawSockaddrInet6)(unsafe.Pointer(addr))
 		addr6.Family = windows.AF_INET6
-		addr6.Port = port
+		addr6.Port = htons(port)
 		addr6.Flowinfo = 0
 		copy(addr6.Addr[:], v6)
 		addr6.Scope_id = 0
@@ -758,8 +780,7 @@ func (addr *RawSockaddrInet) SetIP(ip net.IP, port uint16) error {
 	return windows.ERROR_INVALID_PARAMETER
 }
 
-// IP method returns IPv4 or IPv6 address.
+// IP returns IPv4 or IPv6 address, or nil if the address is neither.
-// If the address is neither IPv4 not IPv6 nil is returned.
 func (addr *RawSockaddrInet) IP() net.IP {
 	switch addr.Family {
 	case windows.AF_INET:
@@ -772,6 +793,19 @@ func (addr *RawSockaddrInet) IP() net.IP {
 	return nil
 }
 
+// Port returns the port if the address if IPv4 or IPv6, or 0 if neither.
+func (addr *RawSockaddrInet) Port() uint16 {
+	switch addr.Family {
+	case windows.AF_INET:
+		return ntohs((*windows.RawSockaddrInet4)(unsafe.Pointer(addr)).Port)
+
+	case windows.AF_INET6:
+		return ntohs((*windows.RawSockaddrInet6)(unsafe.Pointer(addr)).Port)
+	}
+
+	return 0
+}
+
 // Init method initializes a MibUnicastIPAddressRow structure with default values for a unicast IP address entry on the local computer.
 // https://docs.microsoft.com/en-us/windows/desktop/api/netioapi/nf-netioapi-initializeunicastipaddressentry
 func (row *MibUnicastIPAddressRow) Init() {
@@ -938,11 +972,11 @@ func (tab *mibIPforwardTable2) free() {
 }
 
 //
-// Undocumented DNS API
+// DNS API
 //
 
-// dnsInterfaceSettings is mean to be used with setInterfaceDnsSettings
+// DnsInterfaceSettings is meant to be used with SetInterfaceDnsSettings
-type dnsInterfaceSettings struct {
+type DnsInterfaceSettings struct {
 	Version             uint32
 	_                   [4]byte
 	Flags               uint64
@@ -957,21 +991,24 @@ type dnsInterfaceSettings struct {
 }
 
 const (
-	disVersion1 = 1
+	DnsInterfaceSettingsVersion1 = 1 // for DnsInterfaceSettings
-	disVersion2 = 2
+	DnsInterfaceSettingsVersion2 = 2 // for DnsInterfaceSettingsEx
+	DnsInterfaceSettingsVersion3 = 3 // for DnsInterfaceSettings3
 
-	disFlagsIPv6                = 0x1
+	DnsInterfaceSettingsFlagIPv6                        = 0x0001
-	disFlagsNameServer          = 0x2
+	DnsInterfaceSettingsFlagNameserver                  = 0x0002
-	disFlagsSearchList          = 0x4
+	DnsInterfaceSettingsFlagSearchList                  = 0x0004
-	disFlagsRegistrationEnabled = 0x8
+	DnsInterfaceSettingsFlagRegistrationEnabled         = 0x0008
-	disFlagsRegisterAdapterName = 0x10
+	DnsInterfaceSettingsFlagRegisterAdapterName         = 0x0010
-	disFlagsDomain              = 0x20
+	DnsInterfaceSettingsFlagDomain                      = 0x0020
-	disFlagsHostname            = 0x40 // ??
+	DnsInterfaceSettingsFlagHostname                    = 0x0040
-	disFlagsEnableLLMNR         = 0x80
+	DnsInterfaceSettingsFlagEnableLLMNR                 = 0x0080
-	disFlagsQueryAdapterName    = 0x100
+	DnsInterfaceSettingsFlagQueryAdapterName            = 0x0100
-	disFlagsProfileNameServer   = 0x200
+	DnsInterfaceSettingsFlagProfileNameserver           = 0x0200
-	disFlagsVersion2            = 0x400 // ?? - v2 only
+	DnsInterfaceSettingsFlagDisableUnconstrainedQueries = 0x0400 // v2 only
-	disFlagsMoreFlags           = 0x800 // ?? - v2 only
+	DnsInterfaceSettingsFlagSupplementalSearchList      = 0x0800 // v2 only
+	DnsInterfaceSettingsFlagDOH                         = 0x1000 // v3 only
+	DnsInterfaceSettingsFlagDOHProfile                  = 0x2000 // v3 only
 )
 
 // unsafeSlice updates the slice slicePtr to be a slice

listener/tun/dev/winipcfg/types_32.go

@@ -1,5 +1,12 @@
+//go:build windows && (386 || arm)
+// +build windows
 // +build 386 arm
 
+/* SPDX-License-Identifier: MIT
+ *
+ * Copyright (C) 2019-2021 WireGuard LLC. All Rights Reserved.
+ */
+
 package winipcfg
 
 import (

listener/tun/dev/winipcfg/types_64.go

@@ -1,6 +1,12 @@
+//go:build windows && (amd64 || arm64)
 // +build windows
 // +build amd64 arm64
 
+/* SPDX-License-Identifier: MIT
+ *
+ * Copyright (C) 2019-2021 WireGuard LLC. All Rights Reserved.
+ */
+
 package winipcfg
 
 import (

listener/tun/dev/winipcfg/unicast_address_change_handler.go

@@ -1,5 +1,11 @@
+//go:build windows
 // +build windows
 
+/* SPDX-License-Identifier: MIT
+ *
+ * Copyright (C) 2019-2021 WireGuard LLC. All Rights Reserved.
+ */
+
 package winipcfg
 
 import (

listener/tun/dev/winipcfg/winipcfg.go

@@ -1,5 +1,11 @@
+//go:build windows
 // +build windows
 
+/* SPDX-License-Identifier: MIT
+ *
+ * Copyright (C) 2019-2021 WireGuard LLC. All Rights Reserved.
+ */
+
 package winipcfg
 
 import (
@@ -167,18 +173,18 @@ func GetIPForwardTable2(family AddressFamily) ([]MibIPforwardRow2, error) {
 //sys	cancelMibChangeNotify2(notificationHandle windows.Handle) (ret error) = iphlpapi.CancelMibChangeNotify2
 
 //
-// Undocumented DNS API
+// DNS-related functions
 //
 
-//sys	setInterfaceDnsSettingsByPtr(guid *windows.GUID, settings *dnsInterfaceSettings) (ret error) = iphlpapi.SetInterfaceDnsSettings?
+//sys	setInterfaceDnsSettingsByPtr(guid *windows.GUID, settings *DnsInterfaceSettings) (ret error) = iphlpapi.SetInterfaceDnsSettings?
-//sys	setInterfaceDnsSettingsByQwords(guid1 uintptr, guid2 uintptr, settings *dnsInterfaceSettings) (ret error) = iphlpapi.SetInterfaceDnsSettings?
+//sys	setInterfaceDnsSettingsByQwords(guid1 uintptr, guid2 uintptr, settings *DnsInterfaceSettings) (ret error) = iphlpapi.SetInterfaceDnsSettings?
-//sys	setInterfaceDnsSettingsByDwords(guid1 uintptr, guid2 uintptr, guid3 uintptr, guid4 uintptr, settings *dnsInterfaceSettings) (ret error) = iphlpapi.SetInterfaceDnsSettings?
+//sys	setInterfaceDnsSettingsByDwords(guid1 uintptr, guid2 uintptr, guid3 uintptr, guid4 uintptr, settings *DnsInterfaceSettings) (ret error) = iphlpapi.SetInterfaceDnsSettings?
 
 // The GUID is passed by value, not by reference, which means different
 // things on different calling conventions.  On amd64, this means it's
 // passed by reference anyway, while on arm, arm64, and 386, it's split
 // into words.
-func setInterfaceDnsSettings(guid windows.GUID, settings *dnsInterfaceSettings) error {
+func SetInterfaceDnsSettings(guid windows.GUID, settings *DnsInterfaceSettings) error {
 	words := (*[4]uintptr)(unsafe.Pointer(&guid))
 	switch runtime.GOARCH {
 	case "amd64":

listener/tun/dev/winipcfg/zwinipcfg_windows.go

@@ -289,7 +289,7 @@ func notifyUnicastIPAddressChange(family AddressFamily, callback uintptr, caller
 	return
 }
 
-func setInterfaceDnsSettingsByDwords(guid1 uintptr, guid2 uintptr, guid3 uintptr, guid4 uintptr, settings *dnsInterfaceSettings) (ret error) {
+func setInterfaceDnsSettingsByDwords(guid1 uintptr, guid2 uintptr, guid3 uintptr, guid4 uintptr, settings *DnsInterfaceSettings) (ret error) {
 	ret = procSetInterfaceDnsSettings.Find()
 	if ret != nil {
 		return
@@ -301,24 +301,24 @@ func setInterfaceDnsSettingsByDwords(guid1 uintptr, guid2 uintptr, guid3 uintptr
 	return
 }
 
-func setInterfaceDnsSettingsByPtr(guid *windows.GUID, settings *dnsInterfaceSettings) (ret error) {
+func setInterfaceDnsSettingsByQwords(guid1 uintptr, guid2 uintptr, settings *DnsInterfaceSettings) (ret error) {
 	ret = procSetInterfaceDnsSettings.Find()
 	if ret != nil {
 		return
 	}
-	r0, _, _ := syscall.Syscall(procSetInterfaceDnsSettings.Addr(), 2, uintptr(unsafe.Pointer(guid)), uintptr(unsafe.Pointer(settings)), 0)
+	r0, _, _ := syscall.Syscall(procSetInterfaceDnsSettings.Addr(), 3, uintptr(guid1), uintptr(guid2), uintptr(unsafe.Pointer(settings)))
 	if r0 != 0 {
 		ret = syscall.Errno(r0)
 	}
 	return
 }
 
-func setInterfaceDnsSettingsByQwords(guid1 uintptr, guid2 uintptr, settings *dnsInterfaceSettings) (ret error) {
+func setInterfaceDnsSettingsByPtr(guid *windows.GUID, settings *DnsInterfaceSettings) (ret error) {
 	ret = procSetInterfaceDnsSettings.Find()
 	if ret != nil {
 		return
 	}
-	r0, _, _ := syscall.Syscall(procSetInterfaceDnsSettings.Addr(), 3, uintptr(guid1), uintptr(guid2), uintptr(unsafe.Pointer(settings)))
+	r0, _, _ := syscall.Syscall(procSetInterfaceDnsSettings.Addr(), 2, uintptr(unsafe.Pointer(guid)), uintptr(unsafe.Pointer(settings)), 0)
 	if r0 != 0 {
 		ret = syscall.Errno(r0)
 	}

listener/tun/dev/wintun/dll_fromfile_windows.go

@@ -1,3 +1,4 @@
+//go:build !load_wintun_from_rsrc
 // +build !load_wintun_from_rsrc
 
 package wintun
@@ -8,6 +9,7 @@ import (
 	"sync/atomic"
 	"unsafe"
 
+	C "github.com/Dreamacro/clash/constant"
 	"golang.org/x/sys/windows"
 )
 
@@ -28,11 +30,12 @@ func (d *lazyDLL) Load() error {
 		return nil
 	}
 
-	const (
+	//const (
-		LOAD_LIBRARY_SEARCH_APPLICATION_DIR = 0x00000200
+	//	LOAD_LIBRARY_SEARCH_APPLICATION_DIR = 0x00000200
-		LOAD_LIBRARY_SEARCH_SYSTEM32        = 0x00000800
+	//	LOAD_LIBRARY_SEARCH_SYSTEM32        = 0x00000800
-	)
+	//)
-	module, err := windows.LoadLibraryEx(d.Name, 0, LOAD_LIBRARY_SEARCH_APPLICATION_DIR|LOAD_LIBRARY_SEARCH_SYSTEM32)
+	//module, err := windows.LoadLibraryEx(d.Name, 0, LOAD_LIBRARY_SEARCH_APPLICATION_DIR|LOAD_LIBRARY_SEARCH_SYSTEM32)
+	module, err := windows.LoadLibraryEx(C.Path.GetAssetLocation(d.Name), 0, windows.LOAD_WITH_ALTERED_SEARCH_PATH)
 	if err != nil {
 		return fmt.Errorf("Unable to load library: %w", err)
 	}

listener/tun/dev/wintun/dll_fromrsrc_windows.go

@@ -1,3 +1,4 @@
+//go:build load_wintun_from_rsrc
 // +build load_wintun_from_rsrc
 
 package wintun

listener/tun/dev/wintun/memmod/memmod_windows.go

@@ -41,12 +41,12 @@ func (module *Module) headerDirectory(idx int) *IMAGE_DATA_DIRECTORY {
 	return &module.headers.OptionalHeader.DataDirectory[idx]
 }
 
-func (module *Module) copySections(address uintptr, size uintptr, old_headers *IMAGE_NT_HEADERS) error {
+func (module *Module) copySections(address uintptr, size uintptr, oldHeaders *IMAGE_NT_HEADERS) error {
 	sections := module.headers.Sections()
 	for i := range sections {
 		if sections[i].SizeOfRawData == 0 {
 			// Section doesn't contain data in the dll itself, but may define uninitialized data.
-			sectionSize := old_headers.OptionalHeader.SectionAlignment
+			sectionSize := oldHeaders.OptionalHeader.SectionAlignment
 			if sectionSize == 0 {
 				continue
 			}
@@ -159,6 +159,16 @@ func (module *Module) finalizeSection(sectionData *sectionFinalizeData) error {
 	return nil
 }
 
+var rtlAddFunctionTable = windows.NewLazySystemDLL("ntdll.dll").NewProc("RtlAddFunctionTable")
+
+func (module *Module) registerExceptionHandlers() {
+	directory := module.headerDirectory(IMAGE_DIRECTORY_ENTRY_EXCEPTION)
+	if directory.Size == 0 || directory.VirtualAddress == 0 {
+		return
+	}
+	rtlAddFunctionTable.Call(module.codeBase+uintptr(directory.VirtualAddress), uintptr(directory.Size)/unsafe.Sizeof(IMAGE_RUNTIME_FUNCTION_ENTRY{}), module.codeBase)
+}
+
 func (module *Module) finalizeSections() error {
 	sections := module.headers.Sections()
 	imageOffset := module.headers.OptionalHeader.imageOffset()
@@ -166,6 +176,7 @@ func (module *Module) finalizeSections() error {
 	sectionData.address = uintptr(sections[0].PhysicalAddress()) | imageOffset
 	sectionData.alignedAddress = alignDown(sectionData.address, uintptr(module.headers.OptionalHeader.SectionAlignment))
 	sectionData.size = module.realSectionSize(&sections[0])
+	sections[0].SetVirtualSize(uint32(sectionData.size))
 	sectionData.characteristics = sections[0].Characteristics
 
 	// Loop through all sections and change access flags.
@@ -173,6 +184,7 @@ func (module *Module) finalizeSections() error {
 		sectionAddress := uintptr(sections[i].PhysicalAddress()) | imageOffset
 		alignedAddress := alignDown(sectionAddress, uintptr(module.headers.OptionalHeader.SectionAlignment))
 		sectionSize := module.realSectionSize(&sections[i])
+		sections[i].SetVirtualSize(uint32(sectionSize))
 		// Combine access flags of all sections that share a page.
 		// TODO: We currently share flags of a trailing large section with the page of a first small section. This should be optimized.
 		if sectionData.alignedAddress == alignedAddress || sectionData.address+sectionData.size > alignedAddress {
@@ -498,6 +510,9 @@ func LoadLibrary(data []byte) (module *Module, err error) {
 		return
 	}
 
+	// Register exception tables, if they exist.
+	module.registerExceptionHandlers()
+
 	// TLS callbacks are executed BEFORE the main loading.
 	module.executeTLS()
 

listener/tun/dev/wintun/memmod/memmod_windows_32.go

@@ -1,4 +1,6 @@
-// +build windows,386 windows,arm
+//go:build windows && (386 || arm)
+// +build windows
+// +build 386 arm
 
 /* SPDX-License-Identifier: MIT
  *

listener/tun/dev/wintun/memmod/memmod_windows_64.go

@@ -1,4 +1,6 @@
-// +build windows,amd64 windows,arm64
+//go:build windows && (amd64 || arm64)
+// +build windows
+// +build amd64 arm64
 
 /* SPDX-License-Identifier: MIT
  *

listener/tun/dev/wintun/memmod/syscall_windows.go

@@ -174,6 +174,21 @@ func (ishdr *IMAGE_SECTION_HEADER) SetVirtualSize(addr uint32) {
 	ishdr.physicalAddressOrVirtualSize = addr
 }
 
+const (
+	// Dll characteristics.
+	IMAGE_DLL_CHARACTERISTICS_HIGH_ENTROPY_VA       = 0x0020
+	IMAGE_DLL_CHARACTERISTICS_DYNAMIC_BASE          = 0x0040
+	IMAGE_DLL_CHARACTERISTICS_FORCE_INTEGRITY       = 0x0080
+	IMAGE_DLL_CHARACTERISTICS_NX_COMPAT             = 0x0100
+	IMAGE_DLL_CHARACTERISTICS_NO_ISOLATION          = 0x0200
+	IMAGE_DLL_CHARACTERISTICS_NO_SEH                = 0x0400
+	IMAGE_DLL_CHARACTERISTICS_NO_BIND               = 0x0800
+	IMAGE_DLL_CHARACTERISTICS_APPCONTAINER          = 0x1000
+	IMAGE_DLL_CHARACTERISTICS_WDM_DRIVER            = 0x2000
+	IMAGE_DLL_CHARACTERISTICS_GUARD_CF              = 0x4000
+	IMAGE_DLL_CHARACTERISTICS_TERMINAL_SERVER_AWARE = 0x8000
+)
+
 const (
 	// Section characteristics.
 	IMAGE_SCN_TYPE_REG    = 0x00000000 // Reserved.
@@ -317,6 +332,50 @@ func (imgimpdesc *IMAGE_IMPORT_DESCRIPTOR) OriginalFirstThunk() uint32 {
 	return imgimpdesc.characteristicsOrOriginalFirstThunk
 }
 
+type IMAGE_DELAYLOAD_DESCRIPTOR struct {
+	Attributes                 uint32
+	DllNameRVA                 uint32
+	ModuleHandleRVA            uint32
+	ImportAddressTableRVA      uint32
+	ImportNameTableRVA         uint32
+	BoundImportAddressTableRVA uint32
+	UnloadInformationTableRVA  uint32
+	TimeDateStamp              uint32
+}
+
+type IMAGE_LOAD_CONFIG_CODE_INTEGRITY struct {
+	Flags         uint16
+	Catalog       uint16
+	CatalogOffset uint32
+	Reserved      uint32
+}
+
+const (
+	IMAGE_GUARD_CF_INSTRUMENTED                    = 0x00000100
+	IMAGE_GUARD_CFW_INSTRUMENTED                   = 0x00000200
+	IMAGE_GUARD_CF_FUNCTION_TABLE_PRESENT          = 0x00000400
+	IMAGE_GUARD_SECURITY_COOKIE_UNUSED             = 0x00000800
+	IMAGE_GUARD_PROTECT_DELAYLOAD_IAT              = 0x00001000
+	IMAGE_GUARD_DELAYLOAD_IAT_IN_ITS_OWN_SECTION   = 0x00002000
+	IMAGE_GUARD_CF_EXPORT_SUPPRESSION_INFO_PRESENT = 0x00004000
+	IMAGE_GUARD_CF_ENABLE_EXPORT_SUPPRESSION       = 0x00008000
+	IMAGE_GUARD_CF_LONGJUMP_TABLE_PRESENT          = 0x00010000
+	IMAGE_GUARD_RF_INSTRUMENTED                    = 0x00020000
+	IMAGE_GUARD_RF_ENABLE                          = 0x00040000
+	IMAGE_GUARD_RF_STRICT                          = 0x00080000
+	IMAGE_GUARD_RETPOLINE_PRESENT                  = 0x00100000
+	IMAGE_GUARD_EH_CONTINUATION_TABLE_PRESENT      = 0x00400000
+	IMAGE_GUARD_XFG_ENABLED                        = 0x00800000
+	IMAGE_GUARD_CF_FUNCTION_TABLE_SIZE_MASK        = 0xF0000000
+	IMAGE_GUARD_CF_FUNCTION_TABLE_SIZE_SHIFT       = 28
+)
+
+type IMAGE_RUNTIME_FUNCTION_ENTRY struct {
+	BeginAddress      uint32
+	EndAddress        uint32
+	UnwindInfoAddress uint32
+}
+
 const (
 	DLL_PROCESS_ATTACH = 1
 	DLL_THREAD_ATTACH  = 2

listener/tun/dev/wintun/memmod/syscall_windows_32.go

@@ -1,4 +1,6 @@
-// +build windows,386 windows,arm
+//go:build windows && (386 || arm)
+// +build windows
+// +build 386 arm
 
 /* SPDX-License-Identifier: MIT
  *
@@ -43,3 +45,54 @@ type IMAGE_OPTIONAL_HEADER struct {
 }
 
 const IMAGE_ORDINAL_FLAG uintptr = 0x80000000
+
+type IMAGE_LOAD_CONFIG_DIRECTORY struct {
+	Size                                     uint32
+	TimeDateStamp                            uint32
+	MajorVersion                             uint16
+	MinorVersion                             uint16
+	GlobalFlagsClear                         uint32
+	GlobalFlagsSet                           uint32
+	CriticalSectionDefaultTimeout            uint32
+	DeCommitFreeBlockThreshold               uint32
+	DeCommitTotalFreeThreshold               uint32
+	LockPrefixTable                          uint32
+	MaximumAllocationSize                    uint32
+	VirtualMemoryThreshold                   uint32
+	ProcessHeapFlags                         uint32
+	ProcessAffinityMask                      uint32
+	CSDVersion                               uint16
+	DependentLoadFlags                       uint16
+	EditList                                 uint32
+	SecurityCookie                           uint32
+	SEHandlerTable                           uint32
+	SEHandlerCount                           uint32
+	GuardCFCheckFunctionPointer              uint32
+	GuardCFDispatchFunctionPointer           uint32
+	GuardCFFunctionTable                     uint32
+	GuardCFFunctionCount                     uint32
+	GuardFlags                               uint32
+	CodeIntegrity                            IMAGE_LOAD_CONFIG_CODE_INTEGRITY
+	GuardAddressTakenIatEntryTable           uint32
+	GuardAddressTakenIatEntryCount           uint32
+	GuardLongJumpTargetTable                 uint32
+	GuardLongJumpTargetCount                 uint32
+	DynamicValueRelocTable                   uint32
+	CHPEMetadataPointer                      uint32
+	GuardRFFailureRoutine                    uint32
+	GuardRFFailureRoutineFunctionPointer     uint32
+	DynamicValueRelocTableOffset             uint32
+	DynamicValueRelocTableSection            uint16
+	Reserved2                                uint16
+	GuardRFVerifyStackPointerFunctionPointer uint32
+	HotPatchTableOffset                      uint32
+	Reserved3                                uint32
+	EnclaveConfigurationPointer              uint32
+	VolatileMetadataPointer                  uint32
+	GuardEHContinuationTable                 uint32
+	GuardEHContinuationCount                 uint32
+	GuardXFGCheckFunctionPointer             uint32
+	GuardXFGDispatchFunctionPointer          uint32
+	GuardXFGTableDispatchFunctionPointer     uint32
+	CastGuardOsDeterminedFailureMode         uint32
+}

listener/tun/dev/wintun/memmod/syscall_windows_64.go

@@ -1,4 +1,6 @@
-// +build windows,amd64 windows,arm64
+//go:build windows && (amd64 || arm64)
+// +build windows
+// +build amd64 arm64
 
 /* SPDX-License-Identifier: MIT
  *
@@ -42,3 +44,54 @@ type IMAGE_OPTIONAL_HEADER struct {
 }
 
 const IMAGE_ORDINAL_FLAG uintptr = 0x8000000000000000
+
+type IMAGE_LOAD_CONFIG_DIRECTORY struct {
+	Size                                     uint32
+	TimeDateStamp                            uint32
+	MajorVersion                             uint16
+	MinorVersion                             uint16
+	GlobalFlagsClear                         uint32
+	GlobalFlagsSet                           uint32
+	CriticalSectionDefaultTimeout            uint32
+	DeCommitFreeBlockThreshold               uint64
+	DeCommitTotalFreeThreshold               uint64
+	LockPrefixTable                          uint64
+	MaximumAllocationSize                    uint64
+	VirtualMemoryThreshold                   uint64
+	ProcessAffinityMask                      uint64
+	ProcessHeapFlags                         uint32
+	CSDVersion                               uint16
+	DependentLoadFlags                       uint16
+	EditList                                 uint64
+	SecurityCookie                           uint64
+	SEHandlerTable                           uint64
+	SEHandlerCount                           uint64
+	GuardCFCheckFunctionPointer              uint64
+	GuardCFDispatchFunctionPointer           uint64
+	GuardCFFunctionTable                     uint64
+	GuardCFFunctionCount                     uint64
+	GuardFlags                               uint32
+	CodeIntegrity                            IMAGE_LOAD_CONFIG_CODE_INTEGRITY
+	GuardAddressTakenIatEntryTable           uint64
+	GuardAddressTakenIatEntryCount           uint64
+	GuardLongJumpTargetTable                 uint64
+	GuardLongJumpTargetCount                 uint64
+	DynamicValueRelocTable                   uint64
+	CHPEMetadataPointer                      uint64
+	GuardRFFailureRoutine                    uint64
+	GuardRFFailureRoutineFunctionPointer     uint64
+	DynamicValueRelocTableOffset             uint32
+	DynamicValueRelocTableSection            uint16
+	Reserved2                                uint16
+	GuardRFVerifyStackPointerFunctionPointer uint64
+	HotPatchTableOffset                      uint32
+	Reserved3                                uint32
+	EnclaveConfigurationPointer              uint64
+	VolatileMetadataPointer                  uint64
+	GuardEHContinuationTable                 uint64
+	GuardEHContinuationCount                 uint64
+	GuardXFGCheckFunctionPointer             uint64
+	GuardXFGDispatchFunctionPointer          uint64
+	GuardXFGTableDispatchFunctionPointer     uint64
+	CastGuardOsDeterminedFailureMode         uint64
+}

listener/tun/dev/wintun/package_info.go

@@ -0,0 +1,11 @@
+//go:build windows
+// +build windows
+
+// Modified from: https://git.zx2c4.com/wireguard-go/tree/tun/wintun
+
+/* SPDX-License-Identifier: MIT
+ *
+ * Copyright (C) 2019-2021 WireGuard LLC. All Rights Reserved.
+ */
+
+package wintun

rule/geodata/package_info.go

@@ -0,0 +1,4 @@
+// Modified from: https://github.com/v2fly/v2ray-core/tree/master/infra/conf/geodata
+// License: MIT
+
+package geodata

rule/geodata/strmatcher/package_info.go

@@ -0,0 +1,4 @@
+// Modified from: https://github.com/v2fly/v2ray-core/tree/master/common/strmatcher
+// License: MIT
+
+package strmatcher