[Chore] workflows

.github/workflows/release.yml

@@ -1,4 +1,4 @@
-name: Alpha
+name: Release
 on: [push]
 jobs:
   Feature-build:
@@ -44,18 +44,18 @@ jobs:
       - name: Tag Repo
         uses: richardsimko/update-tag@v1
         with:
-          tag_name: alpha
+          tag_name: v1.10.0
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
-      - name: Upload Alpha
+      - name: Upload Release
         uses: softprops/action-gh-release@v1
-        if: ${{ env.GIT_BRANCH != 'Meta' && success() }}
+        if: ${{ env.GIT_BRANCH == 'Meta' && success() }}
         with:
           tag: ${{ github.ref }}
-          tag_name: alpha
+          tag_name: v1.10.0
           files: bin/*
-          prerelease: true
+          prerelease: false
 
       - name: send telegram message on push
         uses: appleboy/telegram-action@master

Makefile

@@ -1,7 +1,7 @@
 NAME=Clash.Meta
 BINDIR=bin
 BRANCH=$(shell git rev-parse --abbrev-ref HEAD)
-VERSION=alpha-$(shell git rev-parse --short HEAD)
+VERSION=$(shell git describe --tags || echo "unknown version")
 BUILDTIME=$(shell date -u)
 GOBUILD=CGO_ENABLED=0 go build -trimpath -ldflags '-X "github.com/Dreamacro/clash/constant.Version=$(VERSION)" \
 		-X "github.com/Dreamacro/clash/constant.BuildTime=$(BUILDTIME)" \

adapter/adapter.go

@@ -21,7 +21,7 @@ var UnifiedDelay = atomic.NewBool(false)
 
 type Proxy struct {
 	C.ProxyAdapter
-	history *queue.Queue[C.DelayHistory]
+	history *queue.Queue
 	alive   *atomic.Bool
 }
 
@@ -67,7 +67,7 @@ func (p *Proxy) DelayHistory() []C.DelayHistory {
 	queue := p.history.Copy()
 	histories := []C.DelayHistory{}
 	for _, item := range queue {
-		histories = append(histories, item)
+		histories = append(histories, item.(C.DelayHistory))
 	}
 	return histories
 }
@@ -80,7 +80,11 @@ func (p *Proxy) LastDelay() (delay uint16) {
 		return max
 	}
 
-	history := p.history.Last()
+	last := p.history.Last()
+	if last == nil {
+		return max
+	}
+	history := last.(C.DelayHistory)
 	if history.Delay == 0 {
 		return max
 	}
@@ -174,7 +178,7 @@ func (p *Proxy) URLTest(ctx context.Context, url string) (t uint16, err error) {
 }
 
 func NewProxy(adapter C.ProxyAdapter) *Proxy {
-	return &Proxy{adapter, queue.New[C.DelayHistory](10), atomic.NewBool(true)}
+	return &Proxy{adapter, queue.New(10), atomic.NewBool(true)}
 }
 
 func urlToMetadata(rawURL string) (addr C.Metadata, err error) {

adapter/inbound/socket.go

@@ -13,13 +13,9 @@ func NewSocket(target socks5.Addr, conn net.Conn, source C.Type) *context.ConnCo
 	metadata := parseSocksAddr(target)
 	metadata.NetWork = C.TCP
 	metadata.Type = source
-	remoteAddr := conn.RemoteAddr()
-	// Filter when net.Addr interface is nil
-	if remoteAddr != nil {
-		if ip, port, err := parseAddr(remoteAddr.String()); err == nil {
-			metadata.SrcIP = ip
-			metadata.SrcPort = port
-		}
+	if ip, port, err := parseAddr(conn.RemoteAddr().String()); err == nil {
+		metadata.SrcIP = ip
+		metadata.SrcPort = port
 	}
 
 	return context.NewConnContext(conn, metadata)

adapter/outbound/direct.go

@@ -60,7 +60,7 @@ func NewCompatible() *Direct {
 func NewPass() *Direct {
 	return &Direct{
 		Base: &Base{
-			name: "PASS",
+			name: "Pass",
 			tp:   C.Pass,
 			udp:  true,
 		},

adapter/outbound/http.go

@@ -22,20 +22,18 @@ type Http struct {
 	user      string
 	pass      string
 	tlsConfig *tls.Config
-	option    *HttpOption
 }
 
 type HttpOption struct {
 	BasicOption
-	Name           string            `proxy:"name"`
-	Server         string            `proxy:"server"`
-	Port           int               `proxy:"port"`
-	UserName       string            `proxy:"username,omitempty"`
-	Password       string            `proxy:"password,omitempty"`
-	TLS            bool              `proxy:"tls,omitempty"`
-	SNI            string            `proxy:"sni,omitempty"`
-	SkipCertVerify bool              `proxy:"skip-cert-verify,omitempty"`
-	Headers        map[string]string `proxy:"headers,omitempty"`
+	Name           string `proxy:"name"`
+	Server         string `proxy:"server"`
+	Port           int    `proxy:"port"`
+	UserName       string `proxy:"username,omitempty"`
+	Password       string `proxy:"password,omitempty"`
+	TLS            bool   `proxy:"tls,omitempty"`
+	SNI            string `proxy:"sni,omitempty"`
+	SkipCertVerify bool   `proxy:"skip-cert-verify,omitempty"`
 }
 
 // StreamConn implements C.ProxyAdapter
@@ -86,13 +84,6 @@ func (h *Http) shakeHand(metadata *C.Metadata, rw io.ReadWriter) error {
 		},
 	}
 
-	//增加headers
-	if len(h.option.Headers) != 0 {
-		for key, value := range h.option.Headers {
-			req.Header.Add(key, value)
-		}
-	}
-
 	if h.user != "" && h.pass != "" {
 		auth := h.user + ":" + h.pass
 		req.Header.Add("Proxy-Authorization", "Basic "+base64.StdEncoding.EncodeToString([]byte(auth)))
@@ -150,6 +141,5 @@ func NewHttp(option HttpOption) *Http {
 		user:      option.UserName,
 		pass:      option.Password,
 		tlsConfig: tlsConfig,
-		option:    &option,
 	}
 }

adapter/provider/vehicle.go

@@ -58,7 +58,7 @@ func (h *HTTPVehicle) Read() ([]byte, error) {
 	}
 
 	req, err := http.NewRequest(http.MethodGet, uri.String(), nil)
-	req.Header.Set("User-Agent", netHttp.UA)
+	req.Header.Set("user-agent", netHttp.UA)
 
 	if err != nil {
 		return nil, err

common/cache/cache.go

@@ -7,50 +7,50 @@ import (
 )
 
 // Cache store element with a expired time
-type Cache[K comparable, V any] struct {
-	*cache[K, V]
+type Cache struct {
+	*cache
 }
 
-type cache[K comparable, V any] struct {
+type cache struct {
 	mapping sync.Map
-	janitor *janitor[K, V]
+	janitor *janitor
 }
 
-type element[V any] struct {
+type element struct {
 	Expired time.Time
-	Payload V
+	Payload any
 }
 
 // Put element in Cache with its ttl
-func (c *cache[K, V]) Put(key K, payload V, ttl time.Duration) {
-	c.mapping.Store(key, &element[V]{
+func (c *cache) Put(key any, payload any, ttl time.Duration) {
+	c.mapping.Store(key, &element{
 		Payload: payload,
 		Expired: time.Now().Add(ttl),
 	})
 }
 
 // Get element in Cache, and drop when it expired
-func (c *cache[K, V]) Get(key K) V {
+func (c *cache) Get(key any) any {
 	item, exist := c.mapping.Load(key)
 	if !exist {
-		return getZero[V]()
+		return nil
 	}
-	elm := item.(*element[V])
+	elm := item.(*element)
 	// expired
 	if time.Since(elm.Expired) > 0 {
 		c.mapping.Delete(key)
-		return getZero[V]()
+		return nil
 	}
 	return elm.Payload
 }
 
 // GetWithExpire element in Cache with Expire Time
-func (c *cache[K, V]) GetWithExpire(key K) (payload V, expired time.Time) {
+func (c *cache) GetWithExpire(key any) (payload any, expired time.Time) {
 	item, exist := c.mapping.Load(key)
 	if !exist {
 		return
 	}
-	elm := item.(*element[V])
+	elm := item.(*element)
 	// expired
 	if time.Since(elm.Expired) > 0 {
 		c.mapping.Delete(key)
@@ -59,10 +59,10 @@ func (c *cache[K, V]) GetWithExpire(key K) (payload V, expired time.Time) {
 	return elm.Payload, elm.Expired
 }
 
-func (c *cache[K, V]) cleanup() {
+func (c *cache) cleanup() {
 	c.mapping.Range(func(k, v any) bool {
 		key := k.(string)
-		elm := v.(*element[V])
+		elm := v.(*element)
 		if time.Since(elm.Expired) > 0 {
 			c.mapping.Delete(key)
 		}
@@ -70,12 +70,12 @@ func (c *cache[K, V]) cleanup() {
 	})
 }
 
-type janitor[K comparable, V any] struct {
+type janitor struct {
 	interval time.Duration
 	stop     chan struct{}
 }
 
-func (j *janitor[K, V]) process(c *cache[K, V]) {
+func (j *janitor) process(c *cache) {
 	ticker := time.NewTicker(j.interval)
 	for {
 		select {
@@ -88,19 +88,19 @@ func (j *janitor[K, V]) process(c *cache[K, V]) {
 	}
 }
 
-func stopJanitor[K comparable, V any](c *Cache[K, V]) {
+func stopJanitor(c *Cache) {
 	c.janitor.stop <- struct{}{}
 }
 
 // New return *Cache
-func New[K comparable, V any](interval time.Duration) *Cache[K, V] {
-	j := &janitor[K, V]{
+func New(interval time.Duration) *Cache {
+	j := &janitor{
 		interval: interval,
 		stop:     make(chan struct{}),
 	}
-	c := &cache[K, V]{janitor: j}
+	c := &cache{janitor: j}
 	go j.process(c)
-	C := &Cache[K, V]{c}
-	runtime.SetFinalizer(C, stopJanitor[K, V])
+	C := &Cache{c}
+	runtime.SetFinalizer(C, stopJanitor)
 	return C
 }

common/cache/cache_test.go

@@ -11,50 +11,48 @@ import (
 func TestCache_Basic(t *testing.T) {
 	interval := 200 * time.Millisecond
 	ttl := 20 * time.Millisecond
-	c := New[string, int](interval)
+	c := New(interval)
 	c.Put("int", 1, ttl)
-
-	d := New[string, string](interval)
-	d.Put("string", "a", ttl)
+	c.Put("string", "a", ttl)
 
 	i := c.Get("int")
-	assert.Equal(t, i, 1, "should recv 1")
+	assert.Equal(t, i.(int), 1, "should recv 1")
 
-	s := d.Get("string")
-	assert.Equal(t, s, "a", "should recv 'a'")
+	s := c.Get("string")
+	assert.Equal(t, s.(string), "a", "should recv 'a'")
 }
 
 func TestCache_TTL(t *testing.T) {
 	interval := 200 * time.Millisecond
 	ttl := 20 * time.Millisecond
 	now := time.Now()
-	c := New[string, int](interval)
+	c := New(interval)
 	c.Put("int", 1, ttl)
 	c.Put("int2", 2, ttl)
 
 	i := c.Get("int")
 	_, expired := c.GetWithExpire("int2")
-	assert.Equal(t, i, 1, "should recv 1")
+	assert.Equal(t, i.(int), 1, "should recv 1")
 	assert.True(t, now.Before(expired))
 
 	time.Sleep(ttl * 2)
 	i = c.Get("int")
 	j, _ := c.GetWithExpire("int2")
-	assert.True(t, i == 0, "should recv 0")
-	assert.True(t, j == 0, "should recv 0")
+	assert.Nil(t, i, "should recv nil")
+	assert.Nil(t, j, "should recv nil")
 }
 
 func TestCache_AutoCleanup(t *testing.T) {
 	interval := 10 * time.Millisecond
 	ttl := 15 * time.Millisecond
-	c := New[string, int](interval)
+	c := New(interval)
 	c.Put("int", 1, ttl)
 
 	time.Sleep(ttl * 2)
 	i := c.Get("int")
 	j, _ := c.GetWithExpire("int")
-	assert.True(t, i == 0, "should recv 0")
-	assert.True(t, j == 0, "should recv 0")
+	assert.Nil(t, i, "should recv nil")
+	assert.Nil(t, j, "should recv nil")
 }
 
 func TestCache_AutoGC(t *testing.T) {
@@ -62,7 +60,7 @@ func TestCache_AutoGC(t *testing.T) {
 	go func() {
 		interval := 10 * time.Millisecond
 		ttl := 15 * time.Millisecond
-		c := New[string, int](interval)
+		c := New(interval)
 		c.Put("int", 1, ttl)
 		sign <- struct{}{}
 	}()

common/cache/lrucache.go

@@ -9,43 +9,43 @@ import (
 )
 
 // Option is part of Functional Options Pattern
-type Option[K comparable, V any] func(*LruCache[K, V])
+type Option func(*LruCache)
 
 // EvictCallback is used to get a callback when a cache entry is evicted
 type EvictCallback = func(key any, value any)
 
 // WithEvict set the evict callback
-func WithEvict[K comparable, V any](cb EvictCallback) Option[K, V] {
-	return func(l *LruCache[K, V]) {
+func WithEvict(cb EvictCallback) Option {
+	return func(l *LruCache) {
 		l.onEvict = cb
 	}
 }
 
 // WithUpdateAgeOnGet update expires when Get element
-func WithUpdateAgeOnGet[K comparable, V any]() Option[K, V] {
-	return func(l *LruCache[K, V]) {
+func WithUpdateAgeOnGet() Option {
+	return func(l *LruCache) {
 		l.updateAgeOnGet = true
 	}
 }
 
 // WithAge defined element max age (second)
-func WithAge[K comparable, V any](maxAge int64) Option[K, V] {
-	return func(l *LruCache[K, V]) {
+func WithAge(maxAge int64) Option {
+	return func(l *LruCache) {
 		l.maxAge = maxAge
 	}
 }
 
 // WithSize defined max length of LruCache
-func WithSize[K comparable, V any](maxSize int) Option[K, V] {
-	return func(l *LruCache[K, V]) {
+func WithSize(maxSize int) Option {
+	return func(l *LruCache) {
 		l.maxSize = maxSize
 	}
 }
 
 // WithStale decide whether Stale return is enabled.
 // If this feature is enabled, element will not get Evicted according to `WithAge`.
-func WithStale[K comparable, V any](stale bool) Option[K, V] {
-	return func(l *LruCache[K, V]) {
+func WithStale(stale bool) Option {
+	return func(l *LruCache) {
 		l.staleReturn = stale
 	}
 }
@@ -53,7 +53,7 @@ func WithStale[K comparable, V any](stale bool) Option[K, V] {
 // LruCache is a thread-safe, in-memory lru-cache that evicts the
 // least recently used entries from memory when (if set) the entries are
 // older than maxAge (in seconds).  Use the New constructor to create one.
-type LruCache[K comparable, V any] struct {
+type LruCache struct {
 	maxAge         int64
 	maxSize        int
 	mu             sync.Mutex
@@ -65,8 +65,8 @@ type LruCache[K comparable, V any] struct {
 }
 
 // NewLRUCache creates an LruCache
-func NewLRUCache[K comparable, V any](options ...Option[K, V]) *LruCache[K, V] {
-	lc := &LruCache[K, V]{
+func NewLRUCache(options ...Option) *LruCache {
+	lc := &LruCache{
 		lru:   list.New(),
 		cache: make(map[any]*list.Element),
 	}
@@ -80,12 +80,12 @@ func NewLRUCache[K comparable, V any](options ...Option[K, V]) *LruCache[K, V] {
 
 // Get returns the any representation of a cached response and a bool
 // set to true if the key was found.
-func (c *LruCache[K, V]) Get(key K) (V, bool) {
-	el := c.get(key)
-	if el == nil {
-		return getZero[V](), false
+func (c *LruCache) Get(key any) (any, bool) {
+	entry := c.get(key)
+	if entry == nil {
+		return nil, false
 	}
-	value := el.value
+	value := entry.value
 
 	return value, true
 }
@@ -94,17 +94,17 @@ func (c *LruCache[K, V]) Get(key K) (V, bool) {
 // a time.Time Give expected expires,
 // and a bool set to true if the key was found.
 // This method will NOT check the maxAge of element and will NOT update the expires.
-func (c *LruCache[K, V]) GetWithExpire(key K) (V, time.Time, bool) {
-	el := c.get(key)
-	if el == nil {
-		return getZero[V](), time.Time{}, false
+func (c *LruCache) GetWithExpire(key any) (any, time.Time, bool) {
+	entry := c.get(key)
+	if entry == nil {
+		return nil, time.Time{}, false
 	}
 
-	return el.value, time.Unix(el.expires, 0), true
+	return entry.value, time.Unix(entry.expires, 0), true
 }
 
 // Exist returns if key exist in cache but not put item to the head of linked list
-func (c *LruCache[K, V]) Exist(key K) bool {
+func (c *LruCache) Exist(key any) bool {
 	c.mu.Lock()
 	defer c.mu.Unlock()
 
@@ -113,7 +113,7 @@ func (c *LruCache[K, V]) Exist(key K) bool {
 }
 
 // Set stores the any representation of a response for a given key.
-func (c *LruCache[K, V]) Set(key K, value V) {
+func (c *LruCache) Set(key any, value any) {
 	expires := int64(0)
 	if c.maxAge > 0 {
 		expires = time.Now().Unix() + c.maxAge
@@ -123,21 +123,21 @@ func (c *LruCache[K, V]) Set(key K, value V) {
 
 // SetWithExpire stores the any representation of a response for a given key and given expires.
 // The expires time will round to second.
-func (c *LruCache[K, V]) SetWithExpire(key K, value V, expires time.Time) {
+func (c *LruCache) SetWithExpire(key any, value any, expires time.Time) {
 	c.mu.Lock()
 	defer c.mu.Unlock()
 
 	if le, ok := c.cache[key]; ok {
 		c.lru.MoveToBack(le)
-		e := le.Value.(*entry[K, V])
+		e := le.Value.(*entry)
 		e.value = value
 		e.expires = expires.Unix()
 	} else {
-		e := &entry[K, V]{key: key, value: value, expires: expires.Unix()}
+		e := &entry{key: key, value: value, expires: expires.Unix()}
 		c.cache[key] = c.lru.PushBack(e)
 
 		if c.maxSize > 0 {
-			if elLen := c.lru.Len(); elLen > c.maxSize {
+			if len := c.lru.Len(); len > c.maxSize {
 				c.deleteElement(c.lru.Front())
 			}
 		}
@@ -147,7 +147,7 @@ func (c *LruCache[K, V]) SetWithExpire(key K, value V, expires time.Time) {
 }
 
 // CloneTo clone and overwrite elements to another LruCache
-func (c *LruCache[K, V]) CloneTo(n *LruCache[K, V]) {
+func (c *LruCache) CloneTo(n *LruCache) {
 	c.mu.Lock()
 	defer c.mu.Unlock()
 
@@ -158,12 +158,12 @@ func (c *LruCache[K, V]) CloneTo(n *LruCache[K, V]) {
 	n.cache = make(map[any]*list.Element)
 
 	for e := c.lru.Front(); e != nil; e = e.Next() {
-		elm := e.Value.(*entry[K, V])
+		elm := e.Value.(*entry)
 		n.cache[elm.key] = n.lru.PushBack(elm)
 	}
 }
 
-func (c *LruCache[K, V]) get(key K) *entry[K, V] {
+func (c *LruCache) get(key any) *entry {
 	c.mu.Lock()
 	defer c.mu.Unlock()
 
@@ -172,7 +172,7 @@ func (c *LruCache[K, V]) get(key K) *entry[K, V] {
 		return nil
 	}
 
-	if !c.staleReturn && c.maxAge > 0 && le.Value.(*entry[K, V]).expires <= time.Now().Unix() {
+	if !c.staleReturn && c.maxAge > 0 && le.Value.(*entry).expires <= time.Now().Unix() {
 		c.deleteElement(le)
 		c.maybeDeleteOldest()
 
@@ -180,15 +180,15 @@ func (c *LruCache[K, V]) get(key K) *entry[K, V] {
 	}
 
 	c.lru.MoveToBack(le)
-	el := le.Value.(*entry[K, V])
+	entry := le.Value.(*entry)
 	if c.maxAge > 0 && c.updateAgeOnGet {
-		el.expires = time.Now().Unix() + c.maxAge
+		entry.expires = time.Now().Unix() + c.maxAge
 	}
-	return el
+	return entry
 }
 
 // Delete removes the value associated with a key.
-func (c *LruCache[K, V]) Delete(key K) {
+func (c *LruCache) Delete(key any) {
 	c.mu.Lock()
 
 	if le, ok := c.cache[key]; ok {
@@ -198,25 +198,25 @@ func (c *LruCache[K, V]) Delete(key K) {
 	c.mu.Unlock()
 }
 
-func (c *LruCache[K, V]) maybeDeleteOldest() {
+func (c *LruCache) maybeDeleteOldest() {
 	if !c.staleReturn && c.maxAge > 0 {
 		now := time.Now().Unix()
-		for le := c.lru.Front(); le != nil && le.Value.(*entry[K, V]).expires <= now; le = c.lru.Front() {
+		for le := c.lru.Front(); le != nil && le.Value.(*entry).expires <= now; le = c.lru.Front() {
 			c.deleteElement(le)
 		}
 	}
 }
 
-func (c *LruCache[K, V]) deleteElement(le *list.Element) {
+func (c *LruCache) deleteElement(le *list.Element) {
 	c.lru.Remove(le)
-	e := le.Value.(*entry[K, V])
+	e := le.Value.(*entry)
 	delete(c.cache, e.key)
 	if c.onEvict != nil {
 		c.onEvict(e.key, e.value)
 	}
 }
 
-func (c *LruCache[K, V]) Clear() error {
+func (c *LruCache) Clear() error {
 	c.mu.Lock()
 
 	c.cache = make(map[any]*list.Element)
@@ -225,13 +225,8 @@ func (c *LruCache[K, V]) Clear() error {
 	return nil
 }
 
-type entry[K comparable, V any] struct {
-	key     K
-	value   V
+type entry struct {
+	key     any
+	value   any
 	expires int64
 }
-
-func getZero[T any]() T {
-	var result T
-	return result
-}

common/cache/lrucache_test.go

@@ -19,7 +19,7 @@ var entries = []struct {
 }
 
 func TestLRUCache(t *testing.T) {
-	c := NewLRUCache[string, string]()
+	c := NewLRUCache()
 
 	for _, e := range entries {
 		c.Set(e.key, e.value)
@@ -32,7 +32,7 @@ func TestLRUCache(t *testing.T) {
 	for _, e := range entries {
 		value, ok := c.Get(e.key)
 		if assert.True(t, ok) {
-			assert.Equal(t, e.value, value)
+			assert.Equal(t, e.value, value.(string))
 		}
 	}
 
@@ -45,25 +45,25 @@ func TestLRUCache(t *testing.T) {
 }
 
 func TestLRUMaxAge(t *testing.T) {
-	c := NewLRUCache[string, string](WithAge[string, string](86400))
+	c := NewLRUCache(WithAge(86400))
 
 	now := time.Now().Unix()
 	expected := now + 86400
 
 	// Add one expired entry
 	c.Set("foo", "bar")
-	c.lru.Back().Value.(*entry[string, string]).expires = now
+	c.lru.Back().Value.(*entry).expires = now
 
 	// Reset
 	c.Set("foo", "bar")
-	e := c.lru.Back().Value.(*entry[string, string])
+	e := c.lru.Back().Value.(*entry)
 	assert.True(t, e.expires >= now)
-	c.lru.Back().Value.(*entry[string, string]).expires = now
+	c.lru.Back().Value.(*entry).expires = now
 
 	// Set a few and verify expiration times
 	for _, s := range entries {
 		c.Set(s.key, s.value)
-		e := c.lru.Back().Value.(*entry[string, string])
+		e := c.lru.Back().Value.(*entry)
 		assert.True(t, e.expires >= expected && e.expires <= expected+10)
 	}
 
@@ -77,7 +77,7 @@ func TestLRUMaxAge(t *testing.T) {
 	for _, s := range entries {
 		le, ok := c.cache[s.key]
 		if assert.True(t, ok) {
-			le.Value.(*entry[string, string]).expires = now
+			le.Value.(*entry).expires = now
 		}
 	}
 
@@ -88,22 +88,22 @@ func TestLRUMaxAge(t *testing.T) {
 }
 
 func TestLRUpdateOnGet(t *testing.T) {
-	c := NewLRUCache[string, string](WithAge[string, string](86400), WithUpdateAgeOnGet[string, string]())
+	c := NewLRUCache(WithAge(86400), WithUpdateAgeOnGet())
 
 	now := time.Now().Unix()
 	expires := now + 86400/2
 
 	// Add one expired entry
 	c.Set("foo", "bar")
-	c.lru.Back().Value.(*entry[string, string]).expires = expires
+	c.lru.Back().Value.(*entry).expires = expires
 
 	_, ok := c.Get("foo")
 	assert.True(t, ok)
-	assert.True(t, c.lru.Back().Value.(*entry[string, string]).expires > expires)
+	assert.True(t, c.lru.Back().Value.(*entry).expires > expires)
 }
 
 func TestMaxSize(t *testing.T) {
-	c := NewLRUCache[string, string](WithSize[string, string](2))
+	c := NewLRUCache(WithSize(2))
 	// Add one expired entry
 	c.Set("foo", "bar")
 	_, ok := c.Get("foo")
@@ -117,7 +117,7 @@ func TestMaxSize(t *testing.T) {
 }
 
 func TestExist(t *testing.T) {
-	c := NewLRUCache[int, int](WithSize[int, int](1))
+	c := NewLRUCache(WithSize(1))
 	c.Set(1, 2)
 	assert.True(t, c.Exist(1))
 	c.Set(2, 3)
@@ -130,7 +130,7 @@ func TestEvict(t *testing.T) {
 		temp = key.(int) + value.(int)
 	}
 
-	c := NewLRUCache[int, int](WithEvict[int, int](evict), WithSize[int, int](1))
+	c := NewLRUCache(WithEvict(evict), WithSize(1))
 	c.Set(1, 2)
 	c.Set(2, 3)
 
@@ -138,22 +138,21 @@ func TestEvict(t *testing.T) {
 }
 
 func TestSetWithExpire(t *testing.T) {
-	c := NewLRUCache[int, *struct{}](WithAge[int, *struct{}](1))
+	c := NewLRUCache(WithAge(1))
 	now := time.Now().Unix()
 
 	tenSecBefore := time.Unix(now-10, 0)
-	c.SetWithExpire(1, &struct{}{}, tenSecBefore)
+	c.SetWithExpire(1, 2, tenSecBefore)
 
 	// res is expected not to exist, and expires should be empty time.Time
 	res, expires, exist := c.GetWithExpire(1)
-
-	assert.True(t, nil == res)
+	assert.Equal(t, nil, res)
 	assert.Equal(t, time.Time{}, expires)
 	assert.Equal(t, false, exist)
 }
 
 func TestStale(t *testing.T) {
-	c := NewLRUCache[int, int](WithAge[int, int](1), WithStale[int, int](true))
+	c := NewLRUCache(WithAge(1), WithStale(true))
 	now := time.Now().Unix()
 
 	tenSecBefore := time.Unix(now-10, 0)
@@ -166,11 +165,11 @@ func TestStale(t *testing.T) {
 }
 
 func TestCloneTo(t *testing.T) {
-	o := NewLRUCache[string, int](WithSize[string, int](10))
+	o := NewLRUCache(WithSize(10))
 	o.Set("1", 1)
 	o.Set("2", 2)
 
-	n := NewLRUCache[string, int](WithSize[string, int](2))
+	n := NewLRUCache(WithSize(2))
 	n.Set("3", 3)
 	n.Set("4", 4)
 

common/queue/queue.go

@@ -5,13 +5,13 @@ import (
 )
 
 // Queue is a simple concurrent safe queue
-type Queue[T any] struct {
-	items []T
+type Queue struct {
+	items []any
 	lock  sync.RWMutex
 }
 
 // Put add the item to the queue.
-func (q *Queue[T]) Put(items ...T) {
+func (q *Queue) Put(items ...any) {
 	if len(items) == 0 {
 		return
 	}
@@ -22,9 +22,9 @@ func (q *Queue[T]) Put(items ...T) {
 }
 
 // Pop returns the head of items.
-func (q *Queue[T]) Pop() T {
+func (q *Queue) Pop() any {
 	if len(q.items) == 0 {
-		return GetZero[T]()
+		return nil
 	}
 
 	q.lock.Lock()
@@ -35,9 +35,9 @@ func (q *Queue[T]) Pop() T {
 }
 
 // Last returns the last of item.
-func (q *Queue[T]) Last() T {
+func (q *Queue) Last() any {
 	if len(q.items) == 0 {
-		return GetZero[T]()
+		return nil
 	}
 
 	q.lock.RLock()
@@ -47,8 +47,8 @@ func (q *Queue[T]) Last() T {
 }
 
 // Copy get the copy of queue.
-func (q *Queue[T]) Copy() []T {
-	items := []T{}
+func (q *Queue) Copy() []any {
+	items := []any{}
 	q.lock.RLock()
 	items = append(items, q.items...)
 	q.lock.RUnlock()
@@ -56,7 +56,7 @@ func (q *Queue[T]) Copy() []T {
 }
 
 // Len returns the number of items in this queue.
-func (q *Queue[T]) Len() int64 {
+func (q *Queue) Len() int64 {
 	q.lock.Lock()
 	defer q.lock.Unlock()
 
@@ -64,13 +64,8 @@ func (q *Queue[T]) Len() int64 {
 }
 
 // New is a constructor for a new concurrent safe queue.
-func New[T any](hint int64) *Queue[T] {
-	return &Queue[T]{
-		items: make([]T, 0, hint),
+func New(hint int64) *Queue {
+	return &Queue{
+		items: make([]any, 0, hint),
 	}
 }
-
-func GetZero[T any]() T {
-	var result T
-	return result
-}

common/utils/range.go

@@ -1,44 +0,0 @@
-package utils
-
-import (
-	"golang.org/x/exp/constraints"
-)
-
-type Range[T constraints.Ordered] struct {
-	start T
-	end   T
-}
-
-func NewRange[T constraints.Ordered](start, end T) *Range[T] {
-	if start > end {
-		return &Range[T]{
-			start: end,
-			end:   start,
-		}
-	}
-
-	return &Range[T]{
-		start: start,
-		end:   end,
-	}
-}
-
-func (r *Range[T]) Contains(t T) bool {
-	return t >= r.start && t <= r.end
-}
-
-func (r *Range[T]) LeftContains(t T) bool {
-	return t >= r.start && t < r.end
-}
-
-func (r *Range[T]) RightContains(t T) bool {
-	return t > r.start && t <= r.end
-}
-
-func (r *Range[T]) Start() T {
-	return r.start
-}
-
-func (r *Range[T]) End() T {
-	return r.end
-}

component/fakeip/cachefile.go

@@ -1,7 +1,7 @@
 package fakeip
 
 import (
-	"net/netip"
+	"net"
 
 	"github.com/Dreamacro/clash/component/profile/cachefile"
 )
@@ -11,27 +11,22 @@ type cachefileStore struct {
 }
 
 // GetByHost implements store.GetByHost
-func (c *cachefileStore) GetByHost(host string) (netip.Addr, bool) {
+func (c *cachefileStore) GetByHost(host string) (net.IP, bool) {
 	elm := c.cache.GetFakeip([]byte(host))
 	if elm == nil {
-		return netip.Addr{}, false
-	}
-
-	if len(elm) == 4 {
-		return netip.AddrFrom4(*(*[4]byte)(elm)), true
-	} else {
-		return netip.AddrFrom16(*(*[16]byte)(elm)), true
+		return nil, false
 	}
+	return net.IP(elm), true
 }
 
 // PutByHost implements store.PutByHost
-func (c *cachefileStore) PutByHost(host string, ip netip.Addr) {
-	c.cache.PutFakeip([]byte(host), ip.AsSlice())
+func (c *cachefileStore) PutByHost(host string, ip net.IP) {
+	c.cache.PutFakeip([]byte(host), ip)
 }
 
 // GetByIP implements store.GetByIP
-func (c *cachefileStore) GetByIP(ip netip.Addr) (string, bool) {
-	elm := c.cache.GetFakeip(ip.AsSlice())
+func (c *cachefileStore) GetByIP(ip net.IP) (string, bool) {
+	elm := c.cache.GetFakeip(ip.To4())
 	if elm == nil {
 		return "", false
 	}
@@ -39,18 +34,18 @@ func (c *cachefileStore) GetByIP(ip netip.Addr) (string, bool) {
 }
 
 // PutByIP implements store.PutByIP
-func (c *cachefileStore) PutByIP(ip netip.Addr, host string) {
-	c.cache.PutFakeip(ip.AsSlice(), []byte(host))
+func (c *cachefileStore) PutByIP(ip net.IP, host string) {
+	c.cache.PutFakeip(ip.To4(), []byte(host))
 }
 
 // DelByIP implements store.DelByIP
-func (c *cachefileStore) DelByIP(ip netip.Addr) {
-	addr := ip.AsSlice()
-	c.cache.DelFakeipPair(addr, c.cache.GetFakeip(addr))
+func (c *cachefileStore) DelByIP(ip net.IP) {
+	ip = ip.To4()
+	c.cache.DelFakeipPair(ip, c.cache.GetFakeip(ip.To4()))
 }
 
 // Exist implements store.Exist
-func (c *cachefileStore) Exist(ip netip.Addr) bool {
+func (c *cachefileStore) Exist(ip net.IP) bool {
 	_, exist := c.GetByIP(ip)
 	return exist
 }

component/fakeip/memory.go

@@ -1,37 +1,40 @@
 package fakeip
 
 import (
-	"net/netip"
+	"net"
 
 	"github.com/Dreamacro/clash/common/cache"
 )
 
 type memoryStore struct {
-	cacheIP   *cache.LruCache[string, netip.Addr]
-	cacheHost *cache.LruCache[netip.Addr, string]
+	cache *cache.LruCache
 }
 
 // GetByHost implements store.GetByHost
-func (m *memoryStore) GetByHost(host string) (netip.Addr, bool) {
-	if ip, exist := m.cacheIP.Get(host); exist {
+func (m *memoryStore) GetByHost(host string) (net.IP, bool) {
+	if elm, exist := m.cache.Get(host); exist {
+		ip := elm.(net.IP)
+
 		// ensure ip --> host on head of linked list
-		m.cacheHost.Get(ip)
+		m.cache.Get(ipToUint(ip.To4()))
 		return ip, true
 	}
 
-	return netip.Addr{}, false
+	return nil, false
 }
 
 // PutByHost implements store.PutByHost
-func (m *memoryStore) PutByHost(host string, ip netip.Addr) {
-	m.cacheIP.Set(host, ip)
+func (m *memoryStore) PutByHost(host string, ip net.IP) {
+	m.cache.Set(host, ip)
 }
 
 // GetByIP implements store.GetByIP
-func (m *memoryStore) GetByIP(ip netip.Addr) (string, bool) {
-	if host, exist := m.cacheHost.Get(ip); exist {
+func (m *memoryStore) GetByIP(ip net.IP) (string, bool) {
+	if elm, exist := m.cache.Get(ipToUint(ip.To4())); exist {
+		host := elm.(string)
+
 		// ensure host --> ip on head of linked list
-		m.cacheIP.Get(host)
+		m.cache.Get(host)
 		return host, true
 	}
 
@@ -39,41 +42,33 @@ func (m *memoryStore) GetByIP(ip netip.Addr) (string, bool) {
 }
 
 // PutByIP implements store.PutByIP
-func (m *memoryStore) PutByIP(ip netip.Addr, host string) {
-	m.cacheHost.Set(ip, host)
+func (m *memoryStore) PutByIP(ip net.IP, host string) {
+	m.cache.Set(ipToUint(ip.To4()), host)
 }
 
 // DelByIP implements store.DelByIP
-func (m *memoryStore) DelByIP(ip netip.Addr) {
-	if host, exist := m.cacheHost.Get(ip); exist {
-		m.cacheIP.Delete(host)
+func (m *memoryStore) DelByIP(ip net.IP) {
+	ipNum := ipToUint(ip.To4())
+	if elm, exist := m.cache.Get(ipNum); exist {
+		m.cache.Delete(elm.(string))
 	}
-	m.cacheHost.Delete(ip)
+	m.cache.Delete(ipNum)
 }
 
 // Exist implements store.Exist
-func (m *memoryStore) Exist(ip netip.Addr) bool {
-	return m.cacheHost.Exist(ip)
+func (m *memoryStore) Exist(ip net.IP) bool {
+	return m.cache.Exist(ipToUint(ip.To4()))
 }
 
 // CloneTo implements store.CloneTo
 // only for memoryStore to memoryStore
 func (m *memoryStore) CloneTo(store store) {
 	if ms, ok := store.(*memoryStore); ok {
-		m.cacheIP.CloneTo(ms.cacheIP)
-		m.cacheHost.CloneTo(ms.cacheHost)
+		m.cache.CloneTo(ms.cache)
 	}
 }
 
 // FlushFakeIP implements store.FlushFakeIP
 func (m *memoryStore) FlushFakeIP() error {
-	_ = m.cacheIP.Clear()
-	return m.cacheHost.Clear()
-}
-
-func newMemoryStore(size int) *memoryStore {
-	return &memoryStore{
-		cacheIP:   cache.NewLRUCache[string, netip.Addr](cache.WithSize[string, netip.Addr](size)),
-		cacheHost: cache.NewLRUCache[netip.Addr, string](cache.WithSize[netip.Addr, string](size)),
-	}
+	return m.cache.Clear()
 }

component/fakeip/pool.go

@@ -1,47 +1,41 @@
 package fakeip
 
 import (
-	"encoding/binary"
 	"errors"
-	"math/bits"
-	"net/netip"
+	"net"
 	"sync"
 
+	"github.com/Dreamacro/clash/common/cache"
 	"github.com/Dreamacro/clash/component/profile/cachefile"
 	"github.com/Dreamacro/clash/component/trie"
 )
 
-type uint128 struct {
-	hi uint64
-	lo uint64
-}
-
 type store interface {
-	GetByHost(host string) (netip.Addr, bool)
-	PutByHost(host string, ip netip.Addr)
-	GetByIP(ip netip.Addr) (string, bool)
-	PutByIP(ip netip.Addr, host string)
-	DelByIP(ip netip.Addr)
-	Exist(ip netip.Addr) bool
+	GetByHost(host string) (net.IP, bool)
+	PutByHost(host string, ip net.IP)
+	GetByIP(ip net.IP) (string, bool)
+	PutByIP(ip net.IP, host string)
+	DelByIP(ip net.IP)
+	Exist(ip net.IP) bool
 	CloneTo(store)
 	FlushFakeIP() error
 }
 
 // Pool is a implementation about fake ip generator without storage
 type Pool struct {
-	gateway netip.Addr
-	first   netip.Addr
-	last    netip.Addr
-	offset  netip.Addr
-	cycle   bool
-	mux     sync.Mutex
-	host    *trie.DomainTrie[bool]
-	ipnet   *netip.Prefix
-	store   store
+	max       uint32
+	min       uint32
+	gateway   uint32
+	broadcast uint32
+	offset    uint32
+	mux       sync.Mutex
+	host      *trie.DomainTrie
+	ipnet     *net.IPNet
+	store     store
 }
 
 // Lookup return a fake ip with host
-func (p *Pool) Lookup(host string) netip.Addr {
+func (p *Pool) Lookup(host string) net.IP {
 	p.mux.Lock()
 	defer p.mux.Unlock()
 	if ip, exist := p.store.GetByHost(host); exist {
@@ -54,10 +48,14 @@ func (p *Pool) Lookup(host string) netip.Addr {
 }
 
 // LookBack return host with the fake ip
-func (p *Pool) LookBack(ip netip.Addr) (string, bool) {
+func (p *Pool) LookBack(ip net.IP) (string, bool) {
 	p.mux.Lock()
 	defer p.mux.Unlock()
 
+	if ip = ip.To4(); ip == nil {
+		return "", false
+	}
+
 	return p.store.GetByIP(ip)
 }
 
@@ -70,25 +68,29 @@ func (p *Pool) ShouldSkipped(domain string) bool {
 }
 
 // Exist returns if given ip exists in fake-ip pool
-func (p *Pool) Exist(ip netip.Addr) bool {
+func (p *Pool) Exist(ip net.IP) bool {
 	p.mux.Lock()
 	defer p.mux.Unlock()
 
+	if ip = ip.To4(); ip == nil {
+		return false
+	}
+
 	return p.store.Exist(ip)
 }
 
 // Gateway return gateway ip
-func (p *Pool) Gateway() netip.Addr {
-	return p.gateway
+func (p *Pool) Gateway() net.IP {
+	return uintToIP(p.gateway)
 }
 
-// Broadcast return the last ip
-func (p *Pool) Broadcast() netip.Addr {
-	return p.last
+// Broadcast return broadcast ip
+func (p *Pool) Broadcast() net.IP {
+	return uintToIP(p.broadcast)
 }
 
 // IPNet return raw ipnet
-func (p *Pool) IPNet() *netip.Prefix {
+func (p *Pool) IPNet() *net.IPNet {
 	return p.ipnet
 }
 
@@ -97,36 +99,47 @@ func (p *Pool) CloneFrom(o *Pool) {
 	o.store.CloneTo(p.store)
 }
 
-func (p *Pool) get(host string) netip.Addr {
+func (p *Pool) get(host string) net.IP {
+	current := p.offset
 	for {
-		p.offset = p.offset.Next()
-
-		if !p.offset.Less(p.last) {
-			p.cycle = true
-			p.offset = p.first
-		}
-
-		if p.cycle {
-			p.store.DelByIP(p.offset)
+		p.offset = (p.offset + 1) % (p.max - p.min)
+		// Avoid infinite loops
+		if p.offset == current {
+			p.offset = (p.offset + 1) % (p.max - p.min)
+			ip := uintToIP(p.min + p.offset - 1)
+			p.store.DelByIP(ip)
 			break
 		}
 
-		if !p.store.Exist(p.offset) {
+		ip := uintToIP(p.min + p.offset - 1)
+		if !p.store.Exist(ip) {
 			break
 		}
 	}
-
-	p.store.PutByIP(p.offset, host)
-	return p.offset
+	ip := uintToIP(p.min + p.offset - 1)
+	p.store.PutByIP(ip, host)
+	return ip
 }
 
 func (p *Pool) FlushFakeIP() error {
 	return p.store.FlushFakeIP()
 }
 
+func ipToUint(ip net.IP) uint32 {
+	v := uint32(ip[0]) << 24
+	v += uint32(ip[1]) << 16
+	v += uint32(ip[2]) << 8
+	v += uint32(ip[3])
+	return v
+}
+
+func uintToIP(v uint32) net.IP {
+	return net.IP{byte(v >> 24), byte(v >> 16), byte(v >> 8), byte(v)}
+}
+
 type Options struct {
-	IPNet *netip.Prefix
-	Host  *trie.DomainTrie[bool]
+	IPNet *net.IPNet
+	Host  *trie.DomainTrie
 
 	// Size sets the maximum number of entries in memory
 	// and does not work if Persistence is true
@@ -139,59 +152,33 @@ type Options struct {
 
 // New return Pool instance
 func New(options Options) (*Pool, error) {
-	var (
-		hostAddr = options.IPNet.Masked().Addr()
-		gateway  = hostAddr.Next()
-		first    = gateway.Next().Next()
-		last     = add(hostAddr, 1<<uint64(hostAddr.BitLen()-options.IPNet.Bits())-1)
-	)
+	min := ipToUint(options.IPNet.IP) + 3
 
-	if !options.IPNet.IsValid() || !first.Less(last) || !options.IPNet.Contains(last) {
+	ones, bits := options.IPNet.Mask.Size()
+	total := 1<<uint(bits-ones) - 4
+
+	if total <= 0 {
 		return nil, errors.New("ipnet don't have valid ip")
 	}
 
+	max := min + uint32(total) - 1
 	pool := &Pool{
-		gateway: gateway,
-		first:   first,
-		last:    last,
-		offset:  first.Prev(),
-		cycle:   false,
-		host:    options.Host,
-		ipnet:   options.IPNet,
+		min:       min,
+		max:       max,
+		gateway:   min - 2,
+		broadcast: max + 1,
+		host:      options.Host,
+		ipnet:     options.IPNet,
 	}
 	if options.Persistence {
 		pool.store = &cachefileStore{
 			cache: cachefile.Cache(),
 		}
 	} else {
-		pool.store = newMemoryStore(options.Size)
+		pool.store = &memoryStore{
+			cache: cache.NewLRUCache(cache.WithSize(options.Size * 2)),
+		}
 	}
 
 	return pool, nil
 }
-
-// add returns addr + n.
-func add(addr netip.Addr, n uint64) netip.Addr {
-	buf := addr.As16()
-
-	u := uint128{
-		binary.BigEndian.Uint64(buf[:8]),
-		binary.BigEndian.Uint64(buf[8:]),
-	}
-
-	lo, carry := bits.Add64(u.lo, n, 0)
-
-	u.hi = u.hi + carry
-	u.lo = lo
-
-	binary.BigEndian.PutUint64(buf[:8], u.hi)
-	binary.BigEndian.PutUint64(buf[8:], u.lo)
-
-	a := netip.AddrFrom16(buf)
-
-	if addr.Is4() {
-		return a.Unmap()
-	}
-
-	return a
-}

component/fakeip/pool_test.go

@@ -2,7 +2,7 @@ package fakeip
 
 import (
 	"fmt"
-	"net/netip"
+	"net"
 	"os"
 	"testing"
 	"time"
@@ -49,9 +49,9 @@ func createCachefileStore(options Options) (*Pool, string, error) {
 }
 
 func TestPool_Basic(t *testing.T) {
-	ipnet := netip.MustParsePrefix("192.168.0.0/28")
+	_, ipnet, _ := net.ParseCIDR("192.168.0.0/28")
 	pools, tempfile, err := createPools(Options{
-		IPNet: &ipnet,
+		IPNet: ipnet,
 		Size:  10,
 	})
 	assert.Nil(t, err)
@@ -62,52 +62,24 @@ func TestPool_Basic(t *testing.T) {
 		last := pool.Lookup("bar.com")
 		bar, exist := pool.LookBack(last)
 
-		assert.True(t, first == netip.AddrFrom4([4]byte{192, 168, 0, 3}))
-		assert.True(t, pool.Lookup("foo.com") == netip.AddrFrom4([4]byte{192, 168, 0, 3}))
-		assert.True(t, last == netip.AddrFrom4([4]byte{192, 168, 0, 4}))
+		assert.True(t, first.Equal(net.IP{192, 168, 0, 3}))
+		assert.Equal(t, pool.Lookup("foo.com"), net.IP{192, 168, 0, 3})
+		assert.True(t, last.Equal(net.IP{192, 168, 0, 4}))
 		assert.True(t, exist)
 		assert.Equal(t, bar, "bar.com")
-		assert.True(t, pool.Gateway() == netip.AddrFrom4([4]byte{192, 168, 0, 1}))
-		assert.True(t, pool.Broadcast() == netip.AddrFrom4([4]byte{192, 168, 0, 15}))
+		assert.Equal(t, pool.Gateway(), net.IP{192, 168, 0, 1})
+		assert.Equal(t, pool.Broadcast(), net.IP{192, 168, 0, 15})
 		assert.Equal(t, pool.IPNet().String(), ipnet.String())
-		assert.True(t, pool.Exist(netip.AddrFrom4([4]byte{192, 168, 0, 4})))
-		assert.False(t, pool.Exist(netip.AddrFrom4([4]byte{192, 168, 0, 5})))
-		assert.False(t, pool.Exist(netip.MustParseAddr("::1")))
-	}
-}
-
-func TestPool_BasicV6(t *testing.T) {
-	ipnet := netip.MustParsePrefix("2001:4860:4860::8888/118")
-	pools, tempfile, err := createPools(Options{
-		IPNet: &ipnet,
-		Size:  10,
-	})
-	assert.Nil(t, err)
-	defer os.Remove(tempfile)
-
-	for _, pool := range pools {
-		first := pool.Lookup("foo.com")
-		last := pool.Lookup("bar.com")
-		bar, exist := pool.LookBack(last)
-
-		assert.True(t, first == netip.MustParseAddr("2001:4860:4860:0000:0000:0000:0000:8803"))
-		assert.True(t, pool.Lookup("foo.com") == netip.MustParseAddr("2001:4860:4860:0000:0000:0000:0000:8803"))
-		assert.True(t, last == netip.MustParseAddr("2001:4860:4860:0000:0000:0000:0000:8804"))
-		assert.True(t, exist)
-		assert.Equal(t, bar, "bar.com")
-		assert.True(t, pool.Gateway() == netip.MustParseAddr("2001:4860:4860:0000:0000:0000:0000:8801"))
-		assert.True(t, pool.Broadcast() == netip.MustParseAddr("2001:4860:4860:0000:0000:0000:0000:8bff"))
-		assert.Equal(t, pool.IPNet().String(), ipnet.String())
-		assert.True(t, pool.Exist(netip.MustParseAddr("2001:4860:4860:0000:0000:0000:0000:8804")))
-		assert.False(t, pool.Exist(netip.MustParseAddr("2001:4860:4860:0000:0000:0000:0000:8805")))
-		assert.False(t, pool.Exist(netip.MustParseAddr("127.0.0.1")))
+		assert.True(t, pool.Exist(net.IP{192, 168, 0, 4}))
+		assert.False(t, pool.Exist(net.IP{192, 168, 0, 5}))
+		assert.False(t, pool.Exist(net.ParseIP("::1")))
 	}
 }
 
 func TestPool_CycleUsed(t *testing.T) {
-	ipnet := netip.MustParsePrefix("192.168.0.16/28")
+	_, ipnet, _ := net.ParseCIDR("192.168.0.16/28")
 	pools, tempfile, err := createPools(Options{
-		IPNet: &ipnet,
+		IPNet: ipnet,
 		Size:  10,
 	})
 	assert.Nil(t, err)
@@ -116,22 +88,22 @@ func TestPool_CycleUsed(t *testing.T) {
 	for _, pool := range pools {
 		foo := pool.Lookup("foo.com")
 		bar := pool.Lookup("bar.com")
-		for i := 0; i < 10; i++ {
+		for i := 0; i < 9; i++ {
 			pool.Lookup(fmt.Sprintf("%d.com", i))
 		}
 		baz := pool.Lookup("baz.com")
 		next := pool.Lookup("foo.com")
-		assert.True(t, foo == baz)
-		assert.True(t, next == bar)
+		assert.True(t, foo.Equal(baz))
+		assert.True(t, next.Equal(bar))
 	}
 }
 
 func TestPool_Skip(t *testing.T) {
-	ipnet := netip.MustParsePrefix("192.168.0.1/29")
-	tree := trie.New[bool]()
-	tree.Insert("example.com", true)
+	_, ipnet, _ := net.ParseCIDR("192.168.0.1/29")
+	tree := trie.New()
+	tree.Insert("example.com", tree)
 	pools, tempfile, err := createPools(Options{
-		IPNet: &ipnet,
+		IPNet: ipnet,
 		Size:  10,
 		Host:  tree,
 	})
@@ -145,9 +117,9 @@ func TestPool_Skip(t *testing.T) {
 }
 
 func TestPool_MaxCacheSize(t *testing.T) {
-	ipnet := netip.MustParsePrefix("192.168.0.1/24")
+	_, ipnet, _ := net.ParseCIDR("192.168.0.1/24")
 	pool, _ := New(Options{
-		IPNet: &ipnet,
+		IPNet: ipnet,
 		Size:  2,
 	})
 
@@ -156,13 +128,13 @@ func TestPool_MaxCacheSize(t *testing.T) {
 	pool.Lookup("baz.com")
 	next := pool.Lookup("foo.com")
 
-	assert.False(t, first == next)
+	assert.False(t, first.Equal(next))
 }
 
 func TestPool_DoubleMapping(t *testing.T) {
-	ipnet := netip.MustParsePrefix("192.168.0.1/24")
+	_, ipnet, _ := net.ParseCIDR("192.168.0.1/24")
 	pool, _ := New(Options{
-		IPNet: &ipnet,
+		IPNet: ipnet,
 		Size:  2,
 	})
 
@@ -186,23 +158,23 @@ func TestPool_DoubleMapping(t *testing.T) {
 	assert.False(t, bazExist)
 	assert.True(t, barExist)
 
-	assert.False(t, bazIP == newBazIP)
+	assert.False(t, bazIP.Equal(newBazIP))
 }
 
 func TestPool_Clone(t *testing.T) {
-	ipnet := netip.MustParsePrefix("192.168.0.1/24")
+	_, ipnet, _ := net.ParseCIDR("192.168.0.1/24")
 	pool, _ := New(Options{
-		IPNet: &ipnet,
+		IPNet: ipnet,
 		Size:  2,
 	})
 
 	first := pool.Lookup("foo.com")
 	last := pool.Lookup("bar.com")
-	assert.True(t, first == netip.AddrFrom4([4]byte{192, 168, 0, 3}))
-	assert.True(t, last == netip.AddrFrom4([4]byte{192, 168, 0, 4}))
+	assert.True(t, first.Equal(net.IP{192, 168, 0, 3}))
+	assert.True(t, last.Equal(net.IP{192, 168, 0, 4}))
 
 	newPool, _ := New(Options{
-		IPNet: &ipnet,
+		IPNet: ipnet,
 		Size:  2,
 	})
 	newPool.CloneFrom(pool)
@@ -213,9 +185,9 @@ func TestPool_Clone(t *testing.T) {
 }
 
 func TestPool_Error(t *testing.T) {
-	ipnet := netip.MustParsePrefix("192.168.0.1/31")
+	_, ipnet, _ := net.ParseCIDR("192.168.0.1/31")
 	_, err := New(Options{
-		IPNet: &ipnet,
+		IPNet: ipnet,
 		Size:  10,
 	})
 
@@ -223,9 +195,9 @@ func TestPool_Error(t *testing.T) {
 }
 
 func TestPool_FlushFileCache(t *testing.T) {
-	ipnet := netip.MustParsePrefix("192.168.0.1/28")
+	_, ipnet, _ := net.ParseCIDR("192.168.0.1/28")
 	pools, tempfile, err := createPools(Options{
-		IPNet: &ipnet,
+		IPNet: ipnet,
 		Size:  10,
 	})
 	assert.Nil(t, err)
@@ -244,18 +216,18 @@ func TestPool_FlushFileCache(t *testing.T) {
 		next := pool.Lookup("baz.com")
 		nero := pool.Lookup("foo.com")
 
-		assert.True(t, foo == fox)
-		assert.False(t, foo == baz)
-		assert.True(t, bar == bax)
-		assert.False(t, bar == next)
-		assert.True(t, baz == nero)
+		assert.Equal(t, foo, fox)
+		assert.NotEqual(t, foo, baz)
+		assert.Equal(t, bar, bax)
+		assert.NotEqual(t, bar, next)
+		assert.Equal(t, baz, nero)
 	}
 }
 
 func TestPool_FlushMemoryCache(t *testing.T) {
-	ipnet := netip.MustParsePrefix("192.168.0.1/28")
+	_, ipnet, _ := net.ParseCIDR("192.168.0.1/28")
 	pool, _ := New(Options{
-		IPNet: &ipnet,
+		IPNet: ipnet,
 		Size:  10,
 	})
 
@@ -271,9 +243,9 @@ func TestPool_FlushMemoryCache(t *testing.T) {
 	next := pool.Lookup("baz.com")
 	nero := pool.Lookup("foo.com")
 
-	assert.True(t, foo == fox)
-	assert.False(t, foo == baz)
-	assert.True(t, bar == bax)
-	assert.False(t, bar == next)
-	assert.True(t, baz == nero)
+	assert.Equal(t, foo, fox)
+	assert.NotEqual(t, foo, baz)
+	assert.Equal(t, bar, bax)
+	assert.NotEqual(t, bar, next)
+	assert.Equal(t, baz, nero)
 }

component/geodata/utils.go

@@ -15,9 +15,6 @@ func LoaderName() string {
 }
 
 func SetLoader(newLoader string) {
-	if newLoader == "memc" {
-		newLoader = "memconservative"
-	}
 	geoLoaderName = newLoader
 }
 

component/process/process.go

@@ -3,7 +3,6 @@ package process
 import (
 	"errors"
 	"net"
-	"runtime"
 
 	C "github.com/Dreamacro/clash/constant"
 )
@@ -24,9 +23,6 @@ func FindProcessName(network string, srcIP net.IP, srcPort int) (string, error)
 }
 
 func ShouldFindProcess(metadata *C.Metadata) bool {
-	if runtime.GOOS == "android" {
-		return false
-	}
 	if metadata.Process != "" {
 		return false
 	}

component/process/process_android.go

@@ -0,0 +1,230 @@
+package process
+
+import (
+	"bytes"
+	"encoding/binary"
+	"fmt"
+	"net"
+	"os"
+	"path"
+	"path/filepath"
+	"strings"
+	"syscall"
+	"unicode"
+	"unsafe"
+
+	"github.com/Dreamacro/clash/common/pool"
+)
+
+// from https://github.com/vishvananda/netlink/blob/bca67dfc8220b44ef582c9da4e9172bf1c9ec973/nl/nl_linux.go#L52-L62
+var nativeEndian = func() binary.ByteOrder {
+	var x uint32 = 0x01020304
+	if *(*byte)(unsafe.Pointer(&x)) == 0x01 {
+		return binary.BigEndian
+	}
+
+	return binary.LittleEndian
+}()
+
+const (
+	sizeOfSocketDiagRequest = syscall.SizeofNlMsghdr + 8 + 48
+	socketDiagByFamily      = 20
+	pathProc                = "/proc"
+)
+
+func findProcessName(network string, ip net.IP, srcPort int) (string, error) {
+	inode, uid, err := resolveSocketByNetlink(network, ip, srcPort)
+	if err != nil {
+		return "", err
+	}
+
+	return resolveProcessNameByProcSearch(inode, uid)
+}
+
+func resolveSocketByNetlink(network string, ip net.IP, srcPort int) (int32, int32, error) {
+	var family byte
+	var protocol byte
+
+	switch network {
+	case TCP:
+		protocol = syscall.IPPROTO_TCP
+	case UDP:
+		protocol = syscall.IPPROTO_UDP
+	default:
+		return 0, 0, ErrInvalidNetwork
+	}
+
+	if ip.To4() != nil {
+		family = syscall.AF_INET
+	} else {
+		family = syscall.AF_INET6
+	}
+
+	req := packSocketDiagRequest(family, protocol, ip, uint16(srcPort))
+
+	socket, err := syscall.Socket(syscall.AF_NETLINK, syscall.SOCK_DGRAM, syscall.NETLINK_INET_DIAG)
+	if err != nil {
+		return 0, 0, fmt.Errorf("dial netlink: %w", err)
+	}
+	defer syscall.Close(socket)
+
+	syscall.SetsockoptTimeval(socket, syscall.SOL_SOCKET, syscall.SO_SNDTIMEO, &syscall.Timeval{Usec: 100})
+	syscall.SetsockoptTimeval(socket, syscall.SOL_SOCKET, syscall.SO_RCVTIMEO, &syscall.Timeval{Usec: 100})
+
+	if err := syscall.Connect(socket, &syscall.SockaddrNetlink{
+		Family: syscall.AF_NETLINK,
+		Pad:    0,
+		Pid:    0,
+		Groups: 0,
+	}); err != nil {
+		return 0, 0, err
+	}
+
+	if _, err := syscall.Write(socket, req); err != nil {
+		return 0, 0, fmt.Errorf("write request: %w", err)
+	}
+
+	rb := pool.Get(pool.RelayBufferSize)
+	defer pool.Put(rb)
+
+	n, err := syscall.Read(socket, rb)
+	if err != nil {
+		return 0, 0, fmt.Errorf("read response: %w", err)
+	}
+
+	messages, err := syscall.ParseNetlinkMessage(rb[:n])
+	if err != nil {
+		return 0, 0, fmt.Errorf("parse netlink message: %w", err)
+	} else if len(messages) == 0 {
+		return 0, 0, fmt.Errorf("unexcepted netlink response")
+	}
+
+	message := messages[0]
+	if message.Header.Type&syscall.NLMSG_ERROR != 0 {
+		return 0, 0, fmt.Errorf("netlink message: NLMSG_ERROR")
+	}
+
+	uid, inode := unpackSocketDiagResponse(&messages[0])
+	if uid < 0 || inode < 0 {
+		return 0, 0, fmt.Errorf("invalid uid(%d) or inode(%d)", uid, inode)
+	}
+
+	return uid, inode, nil
+}
+
+func packSocketDiagRequest(family, protocol byte, source net.IP, sourcePort uint16) []byte {
+	s := make([]byte, 16)
+
+	if v4 := source.To4(); v4 != nil {
+		copy(s, v4)
+	} else {
+		copy(s, source)
+	}
+
+	buf := make([]byte, sizeOfSocketDiagRequest)
+
+	nativeEndian.PutUint32(buf[0:4], sizeOfSocketDiagRequest)
+	nativeEndian.PutUint16(buf[4:6], socketDiagByFamily)
+	nativeEndian.PutUint16(buf[6:8], syscall.NLM_F_REQUEST|syscall.NLM_F_DUMP)
+	nativeEndian.PutUint32(buf[8:12], 0)
+	nativeEndian.PutUint32(buf[12:16], 0)
+
+	buf[16] = family
+	buf[17] = protocol
+	buf[18] = 0
+	buf[19] = 0
+	nativeEndian.PutUint32(buf[20:24], 0xFFFFFFFF)
+
+	binary.BigEndian.PutUint16(buf[24:26], sourcePort)
+	binary.BigEndian.PutUint16(buf[26:28], 0)
+
+	copy(buf[28:44], s)
+	copy(buf[44:60], net.IPv6zero)
+
+	nativeEndian.PutUint32(buf[60:64], 0)
+	nativeEndian.PutUint64(buf[64:72], 0xFFFFFFFFFFFFFFFF)
+
+	return buf
+}
+
+func unpackSocketDiagResponse(msg *syscall.NetlinkMessage) (inode, uid int32) {
+	if len(msg.Data) < 72 {
+		return 0, 0
+	}
+
+	data := msg.Data
+
+	uid = int32(nativeEndian.Uint32(data[64:68]))
+	inode = int32(nativeEndian.Uint32(data[68:72]))
+
+	return
+}
+
+func resolveProcessNameByProcSearch(inode, uid int32) (string, error) {
+	files, err := os.ReadDir(pathProc)
+	if err != nil {
+		return "", err
+	}
+
+	buffer := make([]byte, syscall.PathMax)
+	socket := []byte(fmt.Sprintf("socket:[%d]", inode))
+
+	for _, f := range files {
+		if !f.IsDir() || !isPid(f.Name()) {
+			continue
+		}
+
+		info, err := f.Info()
+		if err != nil {
+			return "", err
+		}
+		if info.Sys().(*syscall.Stat_t).Uid != uint32(uid) {
+			continue
+		}
+
+		processPath := path.Join(pathProc, f.Name())
+		fdPath := path.Join(processPath, "fd")
+
+		fds, err := os.ReadDir(fdPath)
+		if err != nil {
+			continue
+		}
+
+		for _, fd := range fds {
+			n, err := syscall.Readlink(path.Join(fdPath, fd.Name()), buffer)
+			if err != nil {
+				continue
+			}
+
+			if bytes.Equal(buffer[:n], socket) {
+				cmdline, err := os.ReadFile(path.Join(processPath, "cmdline"))
+				if err != nil {
+					return "", err
+				}
+
+				return splitCmdline(cmdline), nil
+			}
+		}
+	}
+
+	return "", fmt.Errorf("process of uid(%d),inode(%d) not found", uid, inode)
+}
+
+func splitCmdline(cmdline []byte) string {
+	cmdline = bytes.Trim(cmdline, " ")
+
+	idx := bytes.IndexFunc(cmdline, func(r rune) bool {
+		return unicode.IsControl(r) || unicode.IsSpace(r)
+	})
+
+	if idx == -1 {
+		return filepath.Base(string(cmdline))
+	}
+	return filepath.Base(string(cmdline[:idx]))
+}
+
+func isPid(s string) bool {
+	return strings.IndexFunc(s, func(r rune) bool {
+		return !unicode.IsDigit(r)
+	}) == -1
+}

component/process/process_linux.go

@@ -1,3 +1,5 @@
+//go:build !android
+
 package process
 
 import (

component/resolver/enhancer.go

@@ -14,7 +14,6 @@ type Enhancer interface {
 	IsExistFakeIP(net.IP) bool
 	FindHostByIP(net.IP) (string, bool)
 	FlushFakeIP() error
-	InsertHostByIP(net.IP, string)
 }
 
 func FakeIPEnabled() bool {
@@ -57,12 +56,6 @@ func IsExistFakeIP(ip net.IP) bool {
 	return false
 }
 
-func InsertHostByIP(ip net.IP, host string) {
-	if mapper := DefaultHostMapper; mapper != nil {
-		mapper.InsertHostByIP(ip, host)
-	}
-}
-
 func FindHostByIP(ip net.IP) (string, bool) {
 	if mapper := DefaultHostMapper; mapper != nil {
 		return mapper.FindHostByIP(ip)

component/resolver/resolver.go

@@ -5,7 +5,6 @@ import (
 	"errors"
 	"math/rand"
 	"net"
-	"net/netip"
 	"strings"
 	"time"
 
@@ -24,7 +23,7 @@ var (
 	DisableIPv6 = true
 
 	// DefaultHosts aim to resolve hosts
-	DefaultHosts = trie.New[netip.Addr]()
+	DefaultHosts = trie.New()
 
 	// DefaultDNSTimeout defined the default dns request timeout
 	DefaultDNSTimeout = time.Second * 5
@@ -49,8 +48,8 @@ func ResolveIPv4(host string) (net.IP, error) {
 
 func ResolveIPv4WithResolver(host string, r Resolver) (net.IP, error) {
 	if node := DefaultHosts.Search(host); node != nil {
-		if ip := node.Data; ip.Is4() {
-			return ip.AsSlice(), nil
+		if ip := node.Data.(net.IP).To4(); ip != nil {
+			return ip, nil
 		}
 	}
 
@@ -93,8 +92,8 @@ func ResolveIPv6WithResolver(host string, r Resolver) (net.IP, error) {
 	}
 
 	if node := DefaultHosts.Search(host); node != nil {
-		if ip := node.Data; ip.Is6() {
-			return ip.AsSlice(), nil
+		if ip := node.Data.(net.IP).To16(); ip != nil {
+			return ip, nil
 		}
 	}
 
@@ -129,8 +128,7 @@ func ResolveIPv6WithResolver(host string, r Resolver) (net.IP, error) {
 // ResolveIPWithResolver same as ResolveIP, but with a resolver
 func ResolveIPWithResolver(host string, r Resolver) (net.IP, error) {
 	if node := DefaultHosts.Search(host); node != nil {
-		ip := node.Data
-		return ip.Unmap().AsSlice(), nil
+		return node.Data.(net.IP), nil
 	}
 
 	if r != nil {

component/sniffer/dispatcher.go

@@ -1,149 +0,0 @@
-package sniffer
-
-import (
-	"errors"
-	"net"
-	"strconv"
-
-	"github.com/Dreamacro/clash/component/trie"
-
-	CN "github.com/Dreamacro/clash/common/net"
-	"github.com/Dreamacro/clash/common/utils"
-	"github.com/Dreamacro/clash/component/resolver"
-	C "github.com/Dreamacro/clash/constant"
-	"github.com/Dreamacro/clash/log"
-)
-
-var (
-	ErrorUnsupportedSniffer = errors.New("unsupported sniffer")
-	ErrorSniffFailed        = errors.New("all sniffer failed")
-)
-
-var Dispatcher SnifferDispatcher
-
-type SnifferDispatcher struct {
-	enable bool
-
-	sniffers []C.Sniffer
-
-	foreDomain *trie.DomainTrie[bool]
-	skipSNI    *trie.DomainTrie[bool]
-	portRanges *[]utils.Range[uint16]
-}
-
-func (sd *SnifferDispatcher) TCPSniff(conn net.Conn, metadata *C.Metadata) {
-	bufConn, ok := conn.(*CN.BufferedConn)
-	if !ok {
-		return
-	}
-
-	if metadata.Host == "" || sd.foreDomain.Search(metadata.Host) != nil {
-		port, err := strconv.ParseUint(metadata.DstPort, 10, 16)
-		if err != nil {
-			log.Debugln("[Sniffer] Dst port is error")
-			return
-		}
-
-		for _, portRange := range *sd.portRanges {
-			if !portRange.Contains(uint16(port)) {
-				return
-			}
-		}
-
-		if host, err := sd.sniffDomain(bufConn, metadata); err != nil {
-			log.Debugln("[Sniffer] All sniffing sniff failed with from [%s:%s] to [%s:%s]", metadata.SrcIP, metadata.SrcPort, metadata.String(), metadata.DstPort)
-			return
-		} else {
-			if sd.skipSNI.Search(host) != nil {
-				log.Debugln("[Sniffer] Skip sni[%s]", host)
-				return
-			}
-
-			sd.replaceDomain(metadata, host)
-		}
-	}
-}
-
-func (sd *SnifferDispatcher) replaceDomain(metadata *C.Metadata, host string) {
-	log.Debugln("[Sniffer] Sniff TCP [%s:%s]-->[%s:%s] success, replace domain [%s]-->[%s]",
-		metadata.SrcIP, metadata.SrcPort,
-		metadata.DstIP, metadata.DstPort,
-		metadata.Host, host)
-
-	metadata.AddrType = C.AtypDomainName
-	metadata.Host = host
-	metadata.DNSMode = C.DNSMapping
-	resolver.InsertHostByIP(metadata.DstIP, host)
-	metadata.DstIP = nil
-}
-
-func (sd *SnifferDispatcher) Enable() bool {
-	return sd.enable
-}
-
-func (sd *SnifferDispatcher) sniffDomain(conn *CN.BufferedConn, metadata *C.Metadata) (string, error) {
-	for _, sniffer := range sd.sniffers {
-		if sniffer.SupportNetwork() == C.TCP {
-			_, err := conn.Peek(1)
-			if err != nil {
-				return "", err
-			}
-
-			bufferedLen := conn.Buffered()
-			bytes, err := conn.Peek(bufferedLen)
-			if err != nil {
-				log.Debugln("[Sniffer] the data length not enough")
-				continue
-			}
-
-			host, err := sniffer.SniffTCP(bytes)
-			if err != nil {
-				log.Debugln("[Sniffer] [%s] Sniff data failed %s", sniffer.Protocol(), metadata.DstIP)
-				continue
-			}
-
-			return host, nil
-		}
-	}
-
-	return "", ErrorSniffFailed
-}
-
-func NewCloseSnifferDispatcher() (*SnifferDispatcher, error) {
-	dispatcher := SnifferDispatcher{
-		enable: false,
-	}
-
-	return &dispatcher, nil
-}
-
-func NewSnifferDispatcher(needSniffer []C.SnifferType, forceDomain *trie.DomainTrie[bool],
-	skipSNI *trie.DomainTrie[bool], ports *[]utils.Range[uint16]) (*SnifferDispatcher, error) {
-	dispatcher := SnifferDispatcher{
-		enable:     true,
-		foreDomain: forceDomain,
-		skipSNI:    skipSNI,
-		portRanges: ports,
-	}
-
-	for _, snifferName := range needSniffer {
-		sniffer, err := NewSniffer(snifferName)
-		if err != nil {
-			log.Errorln("Sniffer name[%s] is error", snifferName)
-			return &SnifferDispatcher{enable: false}, err
-		}
-
-		dispatcher.sniffers = append(dispatcher.sniffers, sniffer)
-	}
-
-	return &dispatcher, nil
-}
-
-func NewSniffer(name C.SnifferType) (C.Sniffer, error) {
-	switch name {
-	case C.TLS:
-		return &TLSSniffer{}, nil
-	default:
-		return nil, ErrorUnsupportedSniffer
-	}
-}

component/sniffer/sniff_test.go

@@ -1,159 +0,0 @@
-package sniffer
-
-import (
-	"testing"
-)
-
-func TestTLSHeaders(t *testing.T) {
-	cases := []struct {
-		input  []byte
-		domain string
-		err    bool
-	}{
-		{
-			input: []byte{
-				0x16, 0x03, 0x01, 0x00, 0xc8, 0x01, 0x00, 0x00,
-				0xc4, 0x03, 0x03, 0x1a, 0xac, 0xb2, 0xa8, 0xfe,
-				0xb4, 0x96, 0x04, 0x5b, 0xca, 0xf7, 0xc1, 0xf4,
-				0x2e, 0x53, 0x24, 0x6e, 0x34, 0x0c, 0x58, 0x36,
-				0x71, 0x97, 0x59, 0xe9, 0x41, 0x66, 0xe2, 0x43,
-				0xa0, 0x13, 0xb6, 0x00, 0x00, 0x20, 0x1a, 0x1a,
-				0xc0, 0x2b, 0xc0, 0x2f, 0xc0, 0x2c, 0xc0, 0x30,
-				0xcc, 0xa9, 0xcc, 0xa8, 0xcc, 0x14, 0xcc, 0x13,
-				0xc0, 0x13, 0xc0, 0x14, 0x00, 0x9c, 0x00, 0x9d,
-				0x00, 0x2f, 0x00, 0x35, 0x00, 0x0a, 0x01, 0x00,
-				0x00, 0x7b, 0xba, 0xba, 0x00, 0x00, 0xff, 0x01,
-				0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x16, 0x00,
-				0x14, 0x00, 0x00, 0x11, 0x63, 0x2e, 0x73, 0x2d,
-				0x6d, 0x69, 0x63, 0x72, 0x6f, 0x73, 0x6f, 0x66,
-				0x74, 0x2e, 0x63, 0x6f, 0x6d, 0x00, 0x17, 0x00,
-				0x00, 0x00, 0x23, 0x00, 0x00, 0x00, 0x0d, 0x00,
-				0x14, 0x00, 0x12, 0x04, 0x03, 0x08, 0x04, 0x04,
-				0x01, 0x05, 0x03, 0x08, 0x05, 0x05, 0x01, 0x08,
-				0x06, 0x06, 0x01, 0x02, 0x01, 0x00, 0x05, 0x00,
-				0x05, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x12,
-				0x00, 0x00, 0x00, 0x10, 0x00, 0x0e, 0x00, 0x0c,
-				0x02, 0x68, 0x32, 0x08, 0x68, 0x74, 0x74, 0x70,
-				0x2f, 0x31, 0x2e, 0x31, 0x00, 0x0b, 0x00, 0x02,
-				0x01, 0x00, 0x00, 0x0a, 0x00, 0x0a, 0x00, 0x08,
-				0xaa, 0xaa, 0x00, 0x1d, 0x00, 0x17, 0x00, 0x18,
-				0xaa, 0xaa, 0x00, 0x01, 0x00,
-			},
-			domain: "c.s-microsoft.com",
-			err:    false,
-		},
-		{
-			input: []byte{
-				0x16, 0x03, 0x01, 0x00, 0xee, 0x01, 0x00, 0x00,
-				0xea, 0x03, 0x03, 0xe7, 0x91, 0x9e, 0x93, 0xca,
-				0x78, 0x1b, 0x3c, 0xe0, 0x65, 0x25, 0x58, 0xb5,
-				0x93, 0xe1, 0x0f, 0x85, 0xec, 0x9a, 0x66, 0x8e,
-				0x61, 0x82, 0x88, 0xc8, 0xfc, 0xae, 0x1e, 0xca,
-				0xd7, 0xa5, 0x63, 0x20, 0xbd, 0x1c, 0x00, 0x00,
-				0x8b, 0xee, 0x09, 0xe3, 0x47, 0x6a, 0x0e, 0x74,
-				0xb0, 0xbc, 0xa3, 0x02, 0xa7, 0x35, 0xe8, 0x85,
-				0x70, 0x7c, 0x7a, 0xf0, 0x00, 0xdf, 0x4a, 0xea,
-				0x87, 0x01, 0x14, 0x91, 0x00, 0x20, 0xea, 0xea,
-				0xc0, 0x2b, 0xc0, 0x2f, 0xc0, 0x2c, 0xc0, 0x30,
-				0xcc, 0xa9, 0xcc, 0xa8, 0xcc, 0x14, 0xcc, 0x13,
-				0xc0, 0x13, 0xc0, 0x14, 0x00, 0x9c, 0x00, 0x9d,
-				0x00, 0x2f, 0x00, 0x35, 0x00, 0x0a, 0x01, 0x00,
-				0x00, 0x81, 0x9a, 0x9a, 0x00, 0x00, 0xff, 0x01,
-				0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x18, 0x00,
-				0x16, 0x00, 0x00, 0x13, 0x77, 0x77, 0x77, 0x30,
-				0x37, 0x2e, 0x63, 0x6c, 0x69, 0x63, 0x6b, 0x74,
-				0x61, 0x6c, 0x65, 0x2e, 0x6e, 0x65, 0x74, 0x00,
-				0x17, 0x00, 0x00, 0x00, 0x23, 0x00, 0x00, 0x00,
-				0x0d, 0x00, 0x14, 0x00, 0x12, 0x04, 0x03, 0x08,
-				0x04, 0x04, 0x01, 0x05, 0x03, 0x08, 0x05, 0x05,
-				0x01, 0x08, 0x06, 0x06, 0x01, 0x02, 0x01, 0x00,
-				0x05, 0x00, 0x05, 0x01, 0x00, 0x00, 0x00, 0x00,
-				0x00, 0x12, 0x00, 0x00, 0x00, 0x10, 0x00, 0x0e,
-				0x00, 0x0c, 0x02, 0x68, 0x32, 0x08, 0x68, 0x74,
-				0x74, 0x70, 0x2f, 0x31, 0x2e, 0x31, 0x75, 0x50,
-				0x00, 0x00, 0x00, 0x0b, 0x00, 0x02, 0x01, 0x00,
-				0x00, 0x0a, 0x00, 0x0a, 0x00, 0x08, 0x9a, 0x9a,
-				0x00, 0x1d, 0x00, 0x17, 0x00, 0x18, 0x8a, 0x8a,
-				0x00, 0x01, 0x00,
-			},
-			domain: "www07.clicktale.net",
-			err:    false,
-		},
-		{
-			input: []byte{
-				0x16, 0x03, 0x01, 0x00, 0xe6, 0x01, 0x00, 0x00, 0xe2, 0x03, 0x03, 0x81, 0x47, 0xc1,
-				0x66, 0xd5, 0x1b, 0xfa, 0x4b, 0xb5, 0xe0, 0x2a, 0xe1, 0xa7, 0x87, 0x13, 0x1d, 0x11, 0xaa, 0xc6,
-				0xce, 0xfc, 0x7f, 0xab, 0x94, 0xc8, 0x62, 0xad, 0xc8, 0xab, 0x0c, 0xdd, 0xcb, 0x20, 0x6f, 0x9d,
-				0x07, 0xf1, 0x95, 0x3e, 0x99, 0xd8, 0xf3, 0x6d, 0x97, 0xee, 0x19, 0x0b, 0x06, 0x1b, 0xf4, 0x84,
-				0x0b, 0xb6, 0x8f, 0xcc, 0xde, 0xe2, 0xd0, 0x2d, 0x6b, 0x0c, 0x1f, 0x52, 0x53, 0x13, 0x00, 0x08,
-				0x13, 0x02, 0x13, 0x03, 0x13, 0x01, 0x00, 0xff, 0x01, 0x00, 0x00, 0x91, 0x00, 0x00, 0x00, 0x0c,
-				0x00, 0x0a, 0x00, 0x00, 0x07, 0x64, 0x6f, 0x67, 0x66, 0x69, 0x73, 0x68, 0x00, 0x0b, 0x00, 0x04,
-				0x03, 0x00, 0x01, 0x02, 0x00, 0x0a, 0x00, 0x0c, 0x00, 0x0a, 0x00, 0x1d, 0x00, 0x17, 0x00, 0x1e,
-				0x00, 0x19, 0x00, 0x18, 0x00, 0x23, 0x00, 0x00, 0x00, 0x16, 0x00, 0x00, 0x00, 0x17, 0x00, 0x00,
-				0x00, 0x0d, 0x00, 0x1e, 0x00, 0x1c, 0x04, 0x03, 0x05, 0x03, 0x06, 0x03, 0x08, 0x07, 0x08, 0x08,
-				0x08, 0x09, 0x08, 0x0a, 0x08, 0x0b, 0x08, 0x04, 0x08, 0x05, 0x08, 0x06, 0x04, 0x01, 0x05, 0x01,
-				0x06, 0x01, 0x00, 0x2b, 0x00, 0x07, 0x06, 0x7f, 0x1c, 0x7f, 0x1b, 0x7f, 0x1a, 0x00, 0x2d, 0x00,
-				0x02, 0x01, 0x01, 0x00, 0x33, 0x00, 0x26, 0x00, 0x24, 0x00, 0x1d, 0x00, 0x20, 0x2f, 0x35, 0x0c,
-				0xb6, 0x90, 0x0a, 0xb7, 0xd5, 0xc4, 0x1b, 0x2f, 0x60, 0xaa, 0x56, 0x7b, 0x3f, 0x71, 0xc8, 0x01,
-				0x7e, 0x86, 0xd3, 0xb7, 0x0c, 0x29, 0x1a, 0x9e, 0x5b, 0x38, 0x3f, 0x01, 0x72,
-			},
-			domain: "dogfish",
-			err:    false,
-		},
-		{
-			input: []byte{
-				0x16, 0x03, 0x01, 0x01, 0x03, 0x01, 0x00, 0x00,
-				0xff, 0x03, 0x03, 0x3d, 0x89, 0x52, 0x9e, 0xee,
-				0xbe, 0x17, 0x63, 0x75, 0xef, 0x29, 0xbd, 0x14,
-				0x6a, 0x49, 0xe0, 0x2c, 0x37, 0x57, 0x71, 0x62,
-				0x82, 0x44, 0x94, 0x8f, 0x6e, 0x94, 0x08, 0x45,
-				0x7f, 0xdb, 0xc1, 0x00, 0x00, 0x3e, 0xc0, 0x2c,
-				0xc0, 0x30, 0x00, 0x9f, 0xcc, 0xa9, 0xcc, 0xa8,
-				0xcc, 0xaa, 0xc0, 0x2b, 0xc0, 0x2f, 0x00, 0x9e,
-				0xc0, 0x24, 0xc0, 0x28, 0x00, 0x6b, 0xc0, 0x23,
-				0xc0, 0x27, 0x00, 0x67, 0xc0, 0x0a, 0xc0, 0x14,
-				0x00, 0x39, 0xc0, 0x09, 0xc0, 0x13, 0x00, 0x33,
-				0x00, 0x9d, 0x00, 0x9c, 0x13, 0x02, 0x13, 0x03,
-				0x13, 0x01, 0x00, 0x3d, 0x00, 0x3c, 0x00, 0x35,
-				0x00, 0x2f, 0x00, 0xff, 0x01, 0x00, 0x00, 0x98,
-				0x00, 0x00, 0x00, 0x10, 0x00, 0x0e, 0x00, 0x00,
-				0x0b, 0x31, 0x30, 0x2e, 0x34, 0x32, 0x2e, 0x30,
-				0x2e, 0x32, 0x34, 0x33, 0x00, 0x0b, 0x00, 0x04,
-				0x03, 0x00, 0x01, 0x02, 0x00, 0x0a, 0x00, 0x0a,
-				0x00, 0x08, 0x00, 0x1d, 0x00, 0x17, 0x00, 0x19,
-				0x00, 0x18, 0x00, 0x23, 0x00, 0x00, 0x00, 0x0d,
-				0x00, 0x20, 0x00, 0x1e, 0x04, 0x03, 0x05, 0x03,
-				0x06, 0x03, 0x08, 0x04, 0x08, 0x05, 0x08, 0x06,
-				0x04, 0x01, 0x05, 0x01, 0x06, 0x01, 0x02, 0x03,
-				0x02, 0x01, 0x02, 0x02, 0x04, 0x02, 0x05, 0x02,
-				0x06, 0x02, 0x00, 0x16, 0x00, 0x00, 0x00, 0x17,
-				0x00, 0x00, 0x00, 0x2b, 0x00, 0x09, 0x08, 0x7f,
-				0x14, 0x03, 0x03, 0x03, 0x02, 0x03, 0x01, 0x00,
-				0x2d, 0x00, 0x03, 0x02, 0x01, 0x00, 0x00, 0x28,
-				0x00, 0x26, 0x00, 0x24, 0x00, 0x1d, 0x00, 0x20,
-				0x13, 0x7c, 0x6e, 0x97, 0xc4, 0xfd, 0x09, 0x2e,
-				0x70, 0x2f, 0x73, 0x5a, 0x9b, 0x57, 0x4d, 0x5f,
-				0x2b, 0x73, 0x2c, 0xa5, 0x4a, 0x98, 0x40, 0x3d,
-				0x75, 0x6e, 0xb4, 0x76, 0xf9, 0x48, 0x8f, 0x36,
-			},
-			domain: "10.42.0.243",
-			err:    false,
-		},
-	}
-
-	for _, test := range cases {
-		domain, err := SniffTLS(test.input)
-		if test.err {
-			if err == nil {
-				t.Errorf("Exepct error but nil in test %v", test)
-			}
-		} else {
-			if err != nil {
-				t.Errorf("Expect no error but actually %s in test %v", err.Error(), test)
-			}
-			if *domain != test.domain {
-				t.Error("expect domain ", test.domain, " but got ", domain)
-			}
-		}
-	}
-}

component/sniffer/tls_sniffer.go

@@ -1,157 +0,0 @@
-package sniffer
-
-import (
-	"encoding/binary"
-	"errors"
-	"strings"
-
-	C "github.com/Dreamacro/clash/constant"
-)
-
-var (
-	errNotTLS         = errors.New("not TLS header")
-	errNotClientHello = errors.New("not client hello")
-	ErrNoClue         = errors.New("not enough information for making a decision")
-)
-
-type TLSSniffer struct {
-}
-
-func (tls *TLSSniffer) Protocol() string {
-	return "tls"
-}
-
-func (tls *TLSSniffer) SupportNetwork() C.NetWork {
-	return C.TCP
-}
-
-func (tls *TLSSniffer) SniffTCP(bytes []byte) (string, error) {
-	domain, err := SniffTLS(bytes)
-	if err == nil {
-		return *domain, nil
-	} else {
-		return "", err
-	}
-}
-
-func IsValidTLSVersion(major, minor byte) bool {
-	return major == 3
-}
-
-// ReadClientHello returns server name (if any) from TLS client hello message.
-// https://github.com/golang/go/blob/master/src/crypto/tls/handshake_messages.go#L300
-func ReadClientHello(data []byte) (*string, error) {
-	if len(data) < 42 {
-		return nil, ErrNoClue
-	}
-	sessionIDLen := int(data[38])
-	if sessionIDLen > 32 || len(data) < 39+sessionIDLen {
-		return nil, ErrNoClue
-	}
-	data = data[39+sessionIDLen:]
-	if len(data) < 2 {
-		return nil, ErrNoClue
-	}
-	// cipherSuiteLen is the number of bytes of cipher suite numbers. Since
-	// they are uint16s, the number must be even.
-	cipherSuiteLen := int(data[0])<<8 | int(data[1])
-	if cipherSuiteLen%2 == 1 || len(data) < 2+cipherSuiteLen {
-		return nil, errNotClientHello
-	}
-	data = data[2+cipherSuiteLen:]
-	if len(data) < 1 {
-		return nil, ErrNoClue
-	}
-	compressionMethodsLen := int(data[0])
-	if len(data) < 1+compressionMethodsLen {
-		return nil, ErrNoClue
-	}
-	data = data[1+compressionMethodsLen:]
-
-	if len(data) == 0 {
-		return nil, errNotClientHello
-	}
-	if len(data) < 2 {
-		return nil, errNotClientHello
-	}
-
-	extensionsLength := int(data[0])<<8 | int(data[1])
-	data = data[2:]
-	if extensionsLength != len(data) {
-		return nil, errNotClientHello
-	}
-
-	for len(data) != 0 {
-		if len(data) < 4 {
-			return nil, errNotClientHello
-		}
-		extension := uint16(data[0])<<8 | uint16(data[1])
-		length := int(data[2])<<8 | int(data[3])
-		data = data[4:]
-		if len(data) < length {
-			return nil, errNotClientHello
-		}
-
-		if extension == 0x00 { /* extensionServerName */
-			d := data[:length]
-			if len(d) < 2 {
-				return nil, errNotClientHello
-			}
-			namesLen := int(d[0])<<8 | int(d[1])
-			d = d[2:]
-			if len(d) != namesLen {
-				return nil, errNotClientHello
-			}
-			for len(d) > 0 {
-				if len(d) < 3 {
-					return nil, errNotClientHello
-				}
-				nameType := d[0]
-				nameLen := int(d[1])<<8 | int(d[2])
-				d = d[3:]
-				if len(d) < nameLen {
-					return nil, errNotClientHello
-				}
-				if nameType == 0 {
-					serverName := string(d[:nameLen])
-					// An SNI value may not include a
-					// trailing dot. See
-					// https://tools.ietf.org/html/rfc6066#section-3.
-					if strings.HasSuffix(serverName, ".") {
-						return nil, errNotClientHello
-					}
-
-					return &serverName, nil
-				}
-
-				d = d[nameLen:]
-			}
-		}
-		data = data[length:]
-	}
-
-	return nil, errNotTLS
-}
-
-func SniffTLS(b []byte) (*string, error) {
-	if len(b) < 5 {
-		return nil, ErrNoClue
-	}
-
-	if b[0] != 0x16 /* TLS Handshake */ {
-		return nil, errNotTLS
-	}
-	if !IsValidTLSVersion(b[1], b[2]) {
-		return nil, errNotTLS
-	}
-	headerLen := int(binary.BigEndian.Uint16(b[3:5]))
-	if 5+headerLen > len(b) {
-		return nil, ErrNoClue
-	}
-
-	domain, err := ReadClientHello(b[5 : 5+headerLen])
-	if err == nil {
-		return domain, nil
-	}
-	return nil, err
-}

component/trie/domain.go

@@ -17,8 +17,8 @@ var ErrInvalidDomain = errors.New("invalid domain")
 
 // DomainTrie contains the main logic for adding and searching nodes for domain segments.
 // support wildcard domain (e.g *.google.com)
-type DomainTrie[T comparable] struct {
-	root *Node[T]
+type DomainTrie struct {
+	root *Node
 }
 
 func ValidAndSplitDomain(domain string) ([]string, bool) {
@@ -51,7 +51,7 @@ func ValidAndSplitDomain(domain string) ([]string, bool) {
 // 3. subdomain.*.example.com
 // 4. .example.com
 // 5. +.example.com
-func (t *DomainTrie[T]) Insert(domain string, data T) error {
+func (t *DomainTrie) Insert(domain string, data any) error {
 	parts, valid := ValidAndSplitDomain(domain)
 	if !valid {
 		return ErrInvalidDomain
@@ -68,13 +68,13 @@ func (t *DomainTrie[T]) Insert(domain string, data T) error {
 	return nil
 }
 
-func (t *DomainTrie[T]) insert(parts []string, data T) {
+func (t *DomainTrie) insert(parts []string, data any) {
 	node := t.root
 	// reverse storage domain part to save space
 	for i := len(parts) - 1; i >= 0; i-- {
 		part := parts[i]
 		if !node.hasChild(part) {
-			node.addChild(part, newNode(getZero[T]()))
+			node.addChild(part, newNode(nil))
 		}
 
 		node = node.getChild(part)
@@ -88,7 +88,7 @@ func (t *DomainTrie[T]) insert(parts []string, data T) {
 // 1. static part
 // 2. wildcard domain
 // 2. dot wildcard domain
-func (t *DomainTrie[T]) Search(domain string) *Node[T] {
+func (t *DomainTrie) Search(domain string) *Node {
 	parts, valid := ValidAndSplitDomain(domain)
 	if !valid || parts[0] == "" {
 		return nil
@@ -96,26 +96,26 @@ func (t *DomainTrie[T]) Search(domain string) *Node[T] {
 
 	n := t.search(t.root, parts)
 
-	if n == nil || n.Data == getZero[T]() {
+	if n == nil || n.Data == nil {
 		return nil
 	}
 
 	return n
 }
 
-func (t *DomainTrie[T]) search(node *Node[T], parts []string) *Node[T] {
+func (t *DomainTrie) search(node *Node, parts []string) *Node {
 	if len(parts) == 0 {
 		return node
 	}
 
 	if c := node.getChild(parts[len(parts)-1]); c != nil {
-		if n := t.search(c, parts[:len(parts)-1]); n != nil && n.Data != getZero[T]() {
+		if n := t.search(c, parts[:len(parts)-1]); n != nil && n.Data != nil {
 			return n
 		}
 	}
 
 	if c := node.getChild(wildcard); c != nil {
-		if n := t.search(c, parts[:len(parts)-1]); n != nil && n.Data != getZero[T]() {
+		if n := t.search(c, parts[:len(parts)-1]); n != nil && n.Data != nil {
 			return n
 		}
 	}
@@ -124,6 +124,6 @@ func (t *DomainTrie[T]) search(node *Node[T], parts []string) *Node[T] {
 }
 
 // New returns a new, empty Trie.
-func New[T comparable]() *DomainTrie[T] {
-	return &DomainTrie[T]{root: newNode[T](getZero[T]())}
+func New() *DomainTrie {
+	return &DomainTrie{root: newNode(nil)}
 }

component/trie/domain_test.go

@@ -1,16 +1,16 @@
 package trie
 
 import (
-	"net/netip"
+	"net"
 	"testing"
 
 	"github.com/stretchr/testify/assert"
 )
 
-var localIP = netip.AddrFrom4([4]byte{127, 0, 0, 1})
+var localIP = net.IP{127, 0, 0, 1}
 
 func TestTrie_Basic(t *testing.T) {
-	tree := New[netip.Addr]()
+	tree := New()
 	domains := []string{
 		"example.com",
 		"google.com",
@@ -23,7 +23,7 @@ func TestTrie_Basic(t *testing.T) {
 
 	node := tree.Search("example.com")
 	assert.NotNil(t, node)
-	assert.True(t, node.Data == localIP)
+	assert.True(t, node.Data.(net.IP).Equal(localIP))
 	assert.NotNil(t, tree.Insert("", localIP))
 	assert.Nil(t, tree.Search(""))
 	assert.NotNil(t, tree.Search("localhost"))
@@ -31,7 +31,7 @@ func TestTrie_Basic(t *testing.T) {
 }
 
 func TestTrie_Wildcard(t *testing.T) {
-	tree := New[netip.Addr]()
+	tree := New()
 	domains := []string{
 		"*.example.com",
 		"sub.*.example.com",
@@ -64,7 +64,7 @@ func TestTrie_Wildcard(t *testing.T) {
 }
 
 func TestTrie_Priority(t *testing.T) {
-	tree := New[int]()
+	tree := New()
 	domains := []string{
 		".dev",
 		"example.dev",
@@ -79,18 +79,18 @@ func TestTrie_Priority(t *testing.T) {
 	}
 
 	for idx, domain := range domains {
-		tree.Insert(domain, idx+1)
+		tree.Insert(domain, idx)
 	}
 
-	assertFn("test.dev", 1)
-	assertFn("foo.bar.dev", 1)
-	assertFn("example.dev", 2)
-	assertFn("foo.example.dev", 3)
-	assertFn("test.example.dev", 4)
+	assertFn("test.dev", 0)
+	assertFn("foo.bar.dev", 0)
+	assertFn("example.dev", 1)
+	assertFn("foo.example.dev", 2)
+	assertFn("test.example.dev", 3)
 }
 
 func TestTrie_Boundary(t *testing.T) {
-	tree := New[netip.Addr]()
+	tree := New()
 	tree.Insert("*.dev", localIP)
 
 	assert.NotNil(t, tree.Insert(".", localIP))
@@ -99,7 +99,7 @@ func TestTrie_Boundary(t *testing.T) {
 }
 
 func TestTrie_WildcardBoundary(t *testing.T) {
-	tree := New[netip.Addr]()
+	tree := New()
 	tree.Insert("+.*", localIP)
 	tree.Insert("stun.*.*.*", localIP)
 

component/trie/node.go

@@ -1,31 +1,26 @@
 package trie
 
 // Node is the trie's node
-type Node[T comparable] struct {
-	children map[string]*Node[T]
-	Data     T
+type Node struct {
+	children map[string]*Node
+	Data     any
 }
 
-func (n *Node[T]) getChild(s string) *Node[T] {
+func (n *Node) getChild(s string) *Node {
 	return n.children[s]
 }
 
-func (n *Node[T]) hasChild(s string) bool {
+func (n *Node) hasChild(s string) bool {
 	return n.getChild(s) != nil
 }
 
-func (n *Node[T]) addChild(s string, child *Node[T]) {
+func (n *Node) addChild(s string, child *Node) {
 	n.children[s] = child
 }
 
-func newNode[T comparable](data T) *Node[T] {
-	return &Node[T]{
+func newNode(data any) *Node {
+	return &Node{
 		Data:     data,
-		children: map[string]*Node[T]{},
+		children: map[string]*Node{},
 	}
 }
-
-func getZero[T comparable]() T {
-	var result T
-	return result
-}

config/config.go

@@ -4,19 +4,16 @@ import (
 	"container/list"
 	"errors"
 	"fmt"
+	R "github.com/Dreamacro/clash/rule"
+	RP "github.com/Dreamacro/clash/rule/provider"
 	"net"
 	"net/netip"
 	"net/url"
 	"os"
 	"runtime"
-	"strconv"
 	"strings"
 	"time"
 
-	"github.com/Dreamacro/clash/common/utils"
-	R "github.com/Dreamacro/clash/rule"
-	RP "github.com/Dreamacro/clash/rule/provider"
-
 	"github.com/Dreamacro/clash/adapter"
 	"github.com/Dreamacro/clash/adapter/outbound"
 	"github.com/Dreamacro/clash/adapter/outboundgroup"
@@ -81,7 +78,7 @@ type DNS struct {
 	EnhancedMode          C.DNSMode        `yaml:"enhanced-mode"`
 	DefaultNameserver     []dns.NameServer `yaml:"default-nameserver"`
 	FakeIPRange           *fakeip.Pool
-	Hosts                 *trie.DomainTrie[netip.Addr]
+	Hosts                 *trie.DomainTrie
 	NameServerPolicy      map[string]dns.NameServer
 	ProxyServerNameserver []dns.NameServer
 }
@@ -116,6 +113,12 @@ type Tun struct {
 	AutoRoute bool             `yaml:"auto-route" json:"auto-route"`
 }
 
+// Script config
+type Script struct {
+	MainCode      string            `yaml:"code" json:"code"`
+	ShortcutsCode map[string]string `yaml:"shortcuts" json:"shortcuts"`
+}
+
 // IPTables config
 type IPTables struct {
 	Enable           bool     `yaml:"enable" json:"enable"`
@@ -123,16 +126,6 @@ type IPTables struct {
 	Bypass           []string `yaml:"bypass" json:"bypass"`
 }
 
-type Sniffer struct {
-	Enable      bool
-	Force       bool
-	Sniffers    []C.SnifferType
-	Reverses    *trie.DomainTrie[bool]
-	ForceDomain *trie.DomainTrie[bool]
-	SkipSNI     *trie.DomainTrie[bool]
-	Ports       *[]utils.Range[uint16]
-}
-
 // Experimental config
 type Experimental struct{}
 
@@ -143,14 +136,13 @@ type Config struct {
 	IPTables      *IPTables
 	DNS           *DNS
 	Experimental  *Experimental
-	Hosts         *trie.DomainTrie[netip.Addr]
+	Hosts         *trie.DomainTrie
 	Profile       *Profile
 	Rules         []C.Rule
 	Users         []auth.AuthUser
 	Proxies       map[string]C.Proxy
 	Providers     map[string]providerTypes.ProxyProvider
 	RuleProviders map[string]*providerTypes.RuleProvider
-	Sniffer       *Sniffer
 }
 
 type RawDNS struct {
@@ -178,12 +170,11 @@ type RawFallbackFilter struct {
 }
 
 type RawTun struct {
-	Enable              bool       `yaml:"enable" json:"enable"`
-	Device              string     `yaml:"device" json:"device"`
-	Stack               C.TUNStack `yaml:"stack" json:"stack"`
-	DNSHijack           []string   `yaml:"dns-hijack" json:"dns-hijack"`
-	AutoRoute           bool       `yaml:"auto-route" json:"auto-route"`
-	AutoDetectInterface bool       `yaml:"auto-detect-interface"`
+	Enable    bool       `yaml:"enable" json:"enable"`
+	Device    string     `yaml:"device" json:"device"`
+	Stack     C.TUNStack `yaml:"stack" json:"stack"`
+	DNSHijack []string   `yaml:"dns-hijack" json:"dns-hijack"`
+	AutoRoute bool       `yaml:"auto-route" json:"auto-route"`
 }
 
 type RawConfig struct {
@@ -207,7 +198,6 @@ type RawConfig struct {
 	GeodataMode        bool         `yaml:"geodata-mode"`
 	GeodataLoader      string       `yaml:"geodata-loader"`
 
-	Sniffer       SnifferRaw                `yaml:"sniffer"`
 	ProxyProvider map[string]map[string]any `yaml:"proxy-providers"`
 	RuleProvider  map[string]map[string]any `yaml:"rule-providers"`
 	Hosts         map[string]string         `yaml:"hosts"`
@@ -221,16 +211,6 @@ type RawConfig struct {
 	Rule          []string                  `yaml:"rules"`
 }
 
-type SnifferRaw struct {
-	Enable      bool     `yaml:"enable" json:"enable"`
-	Sniffing    []string `yaml:"sniffing" json:"sniffing"`
-	Force       bool     `yaml:"force" json:"force"`
-	Reverse     []string `yaml:"reverses" json:"reverses"`
-	ForceDomain []string `yaml:"force-domain" json:"force-domain"`
-	SkipSNI     []string `yaml:"skip-sni" json:"skip-sni"`
-	Ports       []string `yaml:"port-whitelist" json:"port-whitelist"`
-}
-
 // Parse config
 func Parse(buf []byte) (*Config, error) {
 	rawCfg, err := UnmarshalRawConfig(buf)
@@ -257,12 +237,11 @@ func UnmarshalRawConfig(buf []byte) (*RawConfig, error) {
 		Proxy:          []map[string]any{},
 		ProxyGroup:     []map[string]any{},
 		Tun: RawTun{
-			Enable:              false,
-			Device:              "",
-			AutoDetectInterface: true,
-			Stack:               C.TunGvisor,
-			DNSHijack:           []string{"0.0.0.0:53"}, // default hijack all dns query
-			AutoRoute:           true,
+			Enable:    false,
+			Device:    "",
+			Stack:     C.TunGvisor,
+			DNSHijack: []string{"0.0.0.0:53"}, // default hijack all dns query
+			AutoRoute: true,
 		},
 		IPTables: IPTables{
 			Enable:           false,
@@ -296,15 +275,6 @@ func UnmarshalRawConfig(buf []byte) (*RawConfig, error) {
 				"www.msftconnecttest.com",
 			},
 		},
-		Sniffer: SnifferRaw{
-			Enable:      false,
-			Force:       false,
-			Sniffing:    []string{},
-			Reverse:     []string{},
-			ForceDomain: []string{},
-			SkipSNI:     []string{},
-			Ports:       []string{},
-		},
 		Profile: Profile{
 			StoreSelected: true,
 		},
@@ -367,11 +337,6 @@ func ParseRawConfig(rawCfg *RawConfig) (*Config, error) {
 
 	config.Users = parseAuthentication(rawCfg.Authentication)
 
-	config.Sniffer, err = parseSniffer(rawCfg.Sniffer)
-	if err != nil {
-		return nil, err
-	}
-
 	elapsedTime := time.Since(startTime) / time.Millisecond                     // duration in ms
 	log.Infoln("Initial configuration complete, total time: %dms", elapsedTime) //Segment finished in xxm
 	return config, nil
@@ -573,7 +538,7 @@ func parseRules(cfg *RawConfig, proxies map[string]C.Proxy) ([]C.Rule, map[strin
 			params = rule[l:]
 		}
 
-		if _, ok := proxies[target]; !ok {
+		if _, ok := proxies[target]; mode != T.Script && !ok {
 			return nil, nil, fmt.Errorf("rules[%d] [%s] error: proxy [%s] not found", idx, line, target)
 		}
 
@@ -590,7 +555,9 @@ func parseRules(cfg *RawConfig, proxies map[string]C.Proxy) ([]C.Rule, map[strin
 			return nil, nil, fmt.Errorf("rules[%d] [%s] error: %s", idx, line, parseErr.Error())
 		}
 
-		rules = append(rules, parsed)
+		if mode != T.Script {
+			rules = append(rules, parsed)
+		}
 	}
 
 	runtime.GC()
@@ -598,18 +565,18 @@ func parseRules(cfg *RawConfig, proxies map[string]C.Proxy) ([]C.Rule, map[strin
 	return rules, ruleProviders, nil
 }
 
-func parseHosts(cfg *RawConfig) (*trie.DomainTrie[netip.Addr], error) {
-	tree := trie.New[netip.Addr]()
+func parseHosts(cfg *RawConfig) (*trie.DomainTrie, error) {
+	tree := trie.New()
 
 	// add default hosts
-	if err := tree.Insert("localhost", netip.AddrFrom4([4]byte{127, 0, 0, 1})); err != nil {
+	if err := tree.Insert("localhost", net.IP{127, 0, 0, 1}); err != nil {
 		log.Errorln("insert localhost to host error: %s", err.Error())
 	}
 
 	if len(cfg.Hosts) != 0 {
 		for domain, ipStr := range cfg.Hosts {
-			ip, err := netip.ParseAddr(ipStr)
-			if err != nil {
+			ip := net.ParseIP(ipStr)
+			if ip == nil {
 				return nil, fmt.Errorf("%s is not a valid IP", ipStr)
 			}
 			_ = tree.Insert(domain, ip)
@@ -757,7 +724,7 @@ func parseFallbackGeoSite(countries []string, rules []C.Rule) ([]*router.DomainM
 	return sites, nil
 }
 
-func parseDNS(rawCfg *RawConfig, hosts *trie.DomainTrie[netip.Addr], rules []C.Rule) (*DNS, error) {
+func parseDNS(rawCfg *RawConfig, hosts *trie.DomainTrie, rules []C.Rule) (*DNS, error) {
 	cfg := rawCfg.DNS
 	if cfg.Enable && len(cfg.NameServer) == 0 {
 		return nil, fmt.Errorf("if DNS configuration is turned on, NameServer cannot be empty")
@@ -800,23 +767,20 @@ func parseDNS(rawCfg *RawConfig, hosts *trie.DomainTrie[netip.Addr], rules []C.R
 	for _, ns := range dnsCfg.DefaultNameserver {
 		host, _, err := net.SplitHostPort(ns.Addr)
 		if err != nil || net.ParseIP(host) == nil {
-			u, err := url.Parse(ns.Addr)
-			if err != nil || net.ParseIP(u.Host) == nil {
-				return nil, errors.New("default nameserver should be pure IP")
-			}
+			return nil, errors.New("default nameserver should be pure IP")
 		}
 	}
 
 	if cfg.EnhancedMode == C.DNSFakeIP {
-		ipnet, err := netip.ParsePrefix(cfg.FakeIPRange)
+		_, ipnet, err := net.ParseCIDR(cfg.FakeIPRange)
 		if err != nil {
 			return nil, err
 		}
 
-		var host *trie.DomainTrie[bool]
+		var host *trie.DomainTrie
 		// fake ip skip host filter
 		if len(cfg.FakeIPFilter) != 0 {
-			host = trie.New[bool]()
+			host = trie.New()
 			for _, domain := range cfg.FakeIPFilter {
 				_ = host.Insert(domain, true)
 			}
@@ -824,7 +788,7 @@ func parseDNS(rawCfg *RawConfig, hosts *trie.DomainTrie[netip.Addr], rules []C.R
 
 		if len(dnsCfg.Fallback) != 0 {
 			if host == nil {
-				host = trie.New[bool]()
+				host = trie.New()
 			}
 			for _, fb := range dnsCfg.Fallback {
 				if net.ParseIP(fb.Addr) != nil {
@@ -835,7 +799,7 @@ func parseDNS(rawCfg *RawConfig, hosts *trie.DomainTrie[netip.Addr], rules []C.R
 		}
 
 		pool, err := fakeip.New(fakeip.Options{
-			IPNet:       &ipnet,
+			IPNet:       ipnet,
 			Size:        1000,
 			Host:        host,
 			Persistence: rawCfg.Profile.StoreFakeIP,
@@ -879,7 +843,7 @@ func parseAuthentication(rawRecords []string) []auth.AuthUser {
 }
 
 func parseTun(rawTun RawTun, general *General) (*Tun, error) {
-	if rawTun.Enable && rawTun.AutoDetectInterface {
+	if (rawTun.Enable || general.TProxyPort != 0) && general.Interface == "" {
 		autoDetectInterfaceName, err := commons.GetAutoDetectInterface()
 		if err != nil || autoDetectInterfaceName == "" {
 			log.Warnln("Can not find auto detect interface.[%s]", err)
@@ -913,97 +877,3 @@ func parseTun(rawTun RawTun, general *General) (*Tun, error) {
 		AutoRoute: rawTun.AutoRoute,
 	}, nil
 }
-
-func parseSniffer(snifferRaw SnifferRaw) (*Sniffer, error) {
-	sniffer := &Sniffer{
-		Enable: snifferRaw.Enable,
-		Force:  snifferRaw.Force,
-	}
-
-	ports := []utils.Range[uint16]{}
-	if len(snifferRaw.Ports) == 0 {
-		ports = append(ports, *utils.NewRange[uint16](0, 65535))
-	} else {
-		for _, portRange := range snifferRaw.Ports {
-			portRaws := strings.Split(portRange, "-")
-			if len(portRaws) > 1 {
-				p, err := strconv.ParseUint(portRaws[0], 10, 16)
-				if err != nil {
-					return nil, fmt.Errorf("%s format error", portRange)
-				}
-
-				start := uint16(p)
-
-				p, err = strconv.ParseUint(portRaws[0], 10, 16)
-				if err != nil {
-					return nil, fmt.Errorf("%s format error", portRange)
-				}
-
-				end := uint16(p)
-				ports = append(ports, *utils.NewRange(start, end))
-			}
-		}
-	}
-
-	sniffer.Ports = &ports
-
-	loadSniffer := make(map[C.SnifferType]struct{})
-
-	for _, snifferName := range snifferRaw.Sniffing {
-		find := false
-		for _, snifferType := range C.SnifferList {
-			if snifferType.String() == strings.ToUpper(snifferName) {
-				find = true
-				loadSniffer[snifferType] = struct{}{}
-			}
-		}
-
-		if !find {
-			return nil, fmt.Errorf("not find the sniffer[%s]", snifferName)
-		}
-	}
-
-	for st := range loadSniffer {
-		sniffer.Sniffers = append(sniffer.Sniffers, st)
-	}
-
-	sniffer.ForceDomain = trie.New[bool]()
-	for _, domain := range snifferRaw.ForceDomain {
-		err := sniffer.ForceDomain.Insert(domain, true)
-		if err != nil {
-			return nil, fmt.Errorf("error domian[%s] in force-domain, error:%v", domain, err)
-		}
-	}
-
-	sniffer.SkipSNI = trie.New[bool]()
-	for _, domain := range snifferRaw.SkipSNI {
-		err := sniffer.SkipSNI.Insert(domain, true)
-		if err != nil {
-			return nil, fmt.Errorf("error domian[%s] in force-domain, error:%v", domain, err)
-		}
-	}
-
-	// Compatibility, remove it when release
-	if strings.Contains(C.Version, "alpha") || strings.Contains(C.Version, "develop") || strings.Contains(C.Version, "1.10.0") {
-		log.Warnln("Sniffer param force and reverses deprecated, will be removed in the release version, see https://github.com/MetaCubeX/Clash.Meta/commit/48a01adb7a4f38974b9d9639f931d0d245aebf28")
-		if snifferRaw.Force {
-			// match all domain
-			sniffer.ForceDomain.Insert("+", true)
-			for _, domain := range snifferRaw.Reverse {
-				err := sniffer.SkipSNI.Insert(domain, true)
-				if err != nil {
-					return nil, fmt.Errorf("error domian[%s], error:%v", domain, err)
-				}
-			}
-		} else {
-			for _, domain := range snifferRaw.Reverse {
-				err := sniffer.ForceDomain.Insert(domain, true)
-				if err != nil {
-					return nil, fmt.Errorf("error domian[%s], error:%v", domain, err)
-				}
-			}
-		}
-	}
-
-	return sniffer, nil
-}

constant/metadata.go

@@ -87,8 +87,7 @@ type Metadata struct {
 }
 
 func (m *Metadata) RemoteAddress() string {
-        return net.JoinHostPort(m.String(), m.DstPort)
-	
+	return net.JoinHostPort(m.String(), m.DstPort)
 }
 
 func (m *Metadata) SourceAddress() string {

constant/sniffer.go

@@ -1,26 +0,0 @@
-package constant
-
-type Sniffer interface {
-	SupportNetwork() NetWork
-	SniffTCP(bytes []byte) (string, error)
-	Protocol() string
-}
-
-const (
-	TLS SnifferType = iota
-)
-
-var (
-	SnifferList = []SnifferType{TLS}
-)
-
-type SnifferType int
-
-func (rt SnifferType) String() string {
-	switch rt {
-	case TLS:
-		return "TLS"
-	default:
-		return "Unknown"
-	}
-}

context/conn.go

@@ -3,8 +3,8 @@ package context
 import (
 	"net"
 
-	CN "github.com/Dreamacro/clash/common/net"
 	C "github.com/Dreamacro/clash/constant"
+
 	"github.com/gofrs/uuid"
 )
 
@@ -19,7 +19,7 @@ func NewConnContext(conn net.Conn, metadata *C.Metadata) *ConnContext {
 	return &ConnContext{
 		id:       id,
 		metadata: metadata,
-		conn:     CN.NewBufferedConn(conn),
+		conn:     conn,
 	}
 }
 

dns/enhancer.go

@@ -2,7 +2,6 @@ package dns
 
 import (
 	"net"
-	"net/netip"
 
 	"github.com/Dreamacro/clash/common/cache"
 	"github.com/Dreamacro/clash/component/fakeip"
@@ -12,7 +11,7 @@ import (
 type ResolverEnhancer struct {
 	mode     C.DNSMode
 	fakePool *fakeip.Pool
-	mapping  *cache.LruCache[netip.Addr, string]
+	mapping  *cache.LruCache
 }
 
 func (h *ResolverEnhancer) FakeIPEnabled() bool {
@@ -29,7 +28,7 @@ func (h *ResolverEnhancer) IsExistFakeIP(ip net.IP) bool {
 	}
 
 	if pool := h.fakePool; pool != nil {
-		return pool.Exist(ipToAddr(ip))
+		return pool.Exist(ip)
 	}
 
 	return false
@@ -40,10 +39,8 @@ func (h *ResolverEnhancer) IsFakeIP(ip net.IP) bool {
 		return false
 	}
 
-	addr := ipToAddr(ip)
-
 	if pool := h.fakePool; pool != nil {
-		return pool.IPNet().Contains(addr) && addr != pool.Gateway() && addr != pool.Broadcast()
+		return pool.IPNet().Contains(ip) && !pool.Gateway().Equal(ip) && !pool.Broadcast().Equal(ip)
 	}
 
 	return false
@@ -55,35 +52,28 @@ func (h *ResolverEnhancer) IsFakeBroadcastIP(ip net.IP) bool {
 	}
 
 	if pool := h.fakePool; pool != nil {
-		return pool.Broadcast() == ipToAddr(ip)
+		return pool.Broadcast().Equal(ip)
 	}
 
 	return false
 }
 
 func (h *ResolverEnhancer) FindHostByIP(ip net.IP) (string, bool) {
-	addr := ipToAddr(ip)
 	if pool := h.fakePool; pool != nil {
-		if host, existed := pool.LookBack(addr); existed {
+		if host, existed := pool.LookBack(ip); existed {
 			return host, true
 		}
 	}
 
 	if mapping := h.mapping; mapping != nil {
-		if host, existed := h.mapping.Get(addr); existed {
-			return host, true
+		if host, existed := h.mapping.Get(ip.String()); existed {
+			return host.(string), true
 		}
 	}
 
 	return "", false
 }
 
-func (h *ResolverEnhancer) InsertHostByIP(ip net.IP, host string) {
-	if mapping := h.mapping; mapping != nil {
-		h.mapping.Set(ipToAddr(ip), host)
-	}
-}
-
 func (h *ResolverEnhancer) PatchFrom(o *ResolverEnhancer) {
 	if h.mapping != nil && o.mapping != nil {
 		o.mapping.CloneTo(h.mapping)
@@ -103,11 +93,11 @@ func (h *ResolverEnhancer) FlushFakeIP() error {
 
 func NewEnhancer(cfg Config) *ResolverEnhancer {
 	var fakePool *fakeip.Pool
-	var mapping *cache.LruCache[netip.Addr, string]
+	var mapping *cache.LruCache
 
 	if cfg.EnhancedMode != C.DNSNormal {
 		fakePool = cfg.Pool
-		mapping = cache.NewLRUCache[netip.Addr, string](cache.WithSize[netip.Addr, string](4096), cache.WithStale[netip.Addr, string](true))
+		mapping = cache.NewLRUCache(cache.WithSize(4096), cache.WithStale(true))
 	}
 
 	return &ResolverEnhancer{

dns/filters.go

@@ -70,13 +70,13 @@ type fallbackDomainFilter interface {
 }
 
 type domainFilter struct {
-	tree *trie.DomainTrie[bool]
+	tree *trie.DomainTrie
 }
 
 func NewDomainFilter(domains []string) *domainFilter {
-	df := domainFilter{tree: trie.New[bool]()}
+	df := domainFilter{tree: trie.New()}
 	for _, domain := range domains {
-		df.tree.Insert(domain, true)
+		df.tree.Insert(domain, "")
 	}
 	return &df
 }

dns/middleware.go

@@ -2,7 +2,6 @@ package dns
 
 import (
 	"net"
-	"net/netip"
 	"strings"
 	"time"
 
@@ -21,7 +20,7 @@ type (
 	middleware func(next handler) handler
 )
 
-func withHosts(hosts *trie.DomainTrie[netip.Addr], mapping *cache.LruCache[netip.Addr, string]) middleware {
+func withHosts(hosts *trie.DomainTrie) middleware {
 	return func(next handler) handler {
 		return func(ctx *context.DNSContext, r *D.Msg) (*D.Msg, error) {
 			q := r.Question[0]
@@ -30,36 +29,30 @@ func withHosts(hosts *trie.DomainTrie[netip.Addr], mapping *cache.LruCache[netip
 				return next(ctx, r)
 			}
 
-			host := strings.TrimRight(q.Name, ".")
-
-			record := hosts.Search(host)
+			record := hosts.Search(strings.TrimRight(q.Name, "."))
 			if record == nil {
 				return next(ctx, r)
 			}
 
-			ip := record.Data
+			ip := record.Data.(net.IP)
 			msg := r.Copy()
 
-			if ip.Is4() && q.Qtype == D.TypeA {
+			if v4 := ip.To4(); v4 != nil && q.Qtype == D.TypeA {
 				rr := &D.A{}
-				rr.Hdr = D.RR_Header{Name: q.Name, Rrtype: D.TypeA, Class: D.ClassINET, Ttl: 10}
-				rr.A = ip.AsSlice()
+				rr.Hdr = D.RR_Header{Name: q.Name, Rrtype: D.TypeA, Class: D.ClassINET, Ttl: dnsDefaultTTL}
+				rr.A = v4
 
 				msg.Answer = []D.RR{rr}
-			} else if ip.Is6() && q.Qtype == D.TypeAAAA {
+			} else if v6 := ip.To16(); v6 != nil && q.Qtype == D.TypeAAAA {
 				rr := &D.AAAA{}
-				rr.Hdr = D.RR_Header{Name: q.Name, Rrtype: D.TypeAAAA, Class: D.ClassINET, Ttl: 10}
-				rr.AAAA = ip.AsSlice()
+				rr.Hdr = D.RR_Header{Name: q.Name, Rrtype: D.TypeAAAA, Class: D.ClassINET, Ttl: dnsDefaultTTL}
+				rr.AAAA = v6
 
 				msg.Answer = []D.RR{rr}
 			} else {
 				return next(ctx, r)
 			}
 
-			if mapping != nil {
-				mapping.SetWithExpire(ip, host, time.Now().Add(time.Second*10))
-			}
-
 			ctx.SetType(context.DNSTypeHost)
 			msg.SetRcode(r, D.RcodeSuccess)
 			msg.Authoritative = true
@@ -70,7 +63,7 @@ func withHosts(hosts *trie.DomainTrie[netip.Addr], mapping *cache.LruCache[netip
 	}
 }
 
-func withMapping(mapping *cache.LruCache[netip.Addr, string]) middleware {
+func withMapping(mapping *cache.LruCache) middleware {
 	return func(next handler) handler {
 		return func(ctx *context.DNSContext, r *D.Msg) (*D.Msg, error) {
 			q := r.Question[0]
@@ -101,7 +94,7 @@ func withMapping(mapping *cache.LruCache[netip.Addr, string]) middleware {
 					continue
 				}
 
-				mapping.SetWithExpire(ipToAddr(ip), host, time.Now().Add(time.Second*time.Duration(ttl)))
+				mapping.SetWithExpire(ip.String(), host, time.Now().Add(time.Second*time.Duration(ttl)))
 			}
 
 			return msg, nil
@@ -131,7 +124,7 @@ func withFakeIP(fakePool *fakeip.Pool) middleware {
 			rr := &D.A{}
 			rr.Hdr = D.RR_Header{Name: q.Name, Rrtype: D.TypeA, Class: D.ClassINET, Ttl: dnsDefaultTTL}
 			ip := fakePool.Lookup(host)
-			rr.A = ip.AsSlice()
+			rr.A = ip
 			msg := r.Copy()
 			msg.Answer = []D.RR{rr}
 
@@ -183,7 +176,7 @@ func NewHandler(resolver *Resolver, mapper *ResolverEnhancer) handler {
 	middlewares := []middleware{}
 
 	if resolver.hosts != nil {
-		middlewares = append(middlewares, withHosts(resolver.hosts, mapper.mapping))
+		middlewares = append(middlewares, withHosts(resolver.hosts))
 	}
 
 	if mapper.mode == C.DNSFakeIP {

dns/policy.go

@@ -1,30 +0,0 @@
-package dns
-
-type Policy struct {
-	data []dnsClient
-}
-
-func (p *Policy) GetData() []dnsClient {
-	return p.data
-}
-
-func (p *Policy) Compare(p2 *Policy) int {
-	if p2 == nil {
-		return 1
-	}
-	l1 := len(p.data)
-	l2 := len(p2.data)
-	if l1 == l2 {
-		return 0
-	}
-	if l1 > l2 {
-		return 1
-	}
-	return -1
-}
-
-func NewPolicy(data []dnsClient) *Policy {
-	return &Policy{
-		data: data,
-	}
-}

dns/quic.go

@@ -19,7 +19,7 @@ var bytesPool = sync.Pool{New: func() interface{} { return &bytes.Buffer{} }}
 
 type quicClient struct {
 	addr         string
-	session      quic.Connection
+	session      quic.Session
 	sync.RWMutex // protects session and bytesPool
 }
 
@@ -67,7 +67,7 @@ func (dc *quicClient) ExchangeContext(ctx context.Context, m *D.Msg) (msg *D.Msg
 	return reply, nil
 }
 
-func isActive(s quic.Connection) bool {
+func isActive(s quic.Session) bool {
 	select {
 	case <-s.Context().Done():
 		return false
@@ -76,11 +76,11 @@ func isActive(s quic.Connection) bool {
 	}
 }
 
-// getSession - opens or returns an existing quic.Connection
+// getSession - opens or returns an existing quic.Session
 // useCached - if true and cached session exists, return it right away
 // otherwise - forcibly creates a new session
-func (dc *quicClient) getSession() (quic.Connection, error) {
-	var session quic.Connection
+func (dc *quicClient) getSession() (quic.Session, error) {
+	var session quic.Session
 	dc.RLock()
 	session = dc.session
 	if session != nil && isActive(session) {
@@ -113,7 +113,7 @@ func (dc *quicClient) getSession() (quic.Connection, error) {
 	return session, nil
 }
 
-func (dc *quicClient) openSession() (quic.Connection, error) {
+func (dc *quicClient) openSession() (quic.Session, error) {
 	tlsConfig := &tls.Config{
 		InsecureSkipVerify: true,
 		NextProtos: []string{

dns/resolver.go

@@ -6,7 +6,6 @@ import (
 	"fmt"
 	"math/rand"
 	"net"
-	"net/netip"
 	"strings"
 	"time"
 
@@ -34,14 +33,14 @@ type result struct {
 
 type Resolver struct {
 	ipv6                  bool
-	hosts                 *trie.DomainTrie[netip.Addr]
+	hosts                 *trie.DomainTrie
 	main                  []dnsClient
 	fallback              []dnsClient
 	fallbackDomainFilters []fallbackDomainFilter
 	fallbackIPFilters     []fallbackIPFilter
 	group                 singleflight.Group
-	lruCache              *cache.LruCache[string, *D.Msg]
-	policy                *trie.DomainTrie[*Policy]
+	lruCache              *cache.LruCache
+	policy                *trie.DomainTrie
 	proxyServer           []dnsClient
 }
 
@@ -104,7 +103,7 @@ func (r *Resolver) ExchangeContext(ctx context.Context, m *D.Msg) (msg *D.Msg, e
 	cache, expireTime, hit := r.lruCache.GetWithExpire(q.String())
 	if hit {
 		now := time.Now()
-		msg = cache.Copy()
+		msg = cache.(*D.Msg).Copy()
 		if expireTime.Before(now) {
 			setMsgTTL(msg, uint32(1)) // Continue fetch
 			go r.exchangeWithoutCache(ctx, m)
@@ -195,8 +194,7 @@ func (r *Resolver) matchPolicy(m *D.Msg) []dnsClient {
 		return nil
 	}
 
-	p := record.Data
-	return p.GetData()
+	return record.Data.([]dnsClient)
 }
 
 func (r *Resolver) shouldOnlyQueryFallback(m *D.Msg) bool {
@@ -331,20 +329,20 @@ type Config struct {
 	EnhancedMode   C.DNSMode
 	FallbackFilter FallbackFilter
 	Pool           *fakeip.Pool
-	Hosts          *trie.DomainTrie[netip.Addr]
+	Hosts          *trie.DomainTrie
 	Policy         map[string]NameServer
 }
 
 func NewResolver(config Config) *Resolver {
 	defaultResolver := &Resolver{
 		main:     transform(config.Default, nil),
-		lruCache: cache.NewLRUCache[string, *D.Msg](cache.WithSize[string, *D.Msg](4096), cache.WithStale[string, *D.Msg](true)),
+		lruCache: cache.NewLRUCache(cache.WithSize(4096), cache.WithStale(true)),
 	}
 
 	r := &Resolver{
 		ipv6:     config.IPv6,
 		main:     transform(config.Main, defaultResolver),
-		lruCache: cache.NewLRUCache[string, *D.Msg](cache.WithSize[string, *D.Msg](4096), cache.WithStale[string, *D.Msg](true)),
+		lruCache: cache.NewLRUCache(cache.WithSize(4096), cache.WithStale(true)),
 		hosts:    config.Hosts,
 	}
 
@@ -357,9 +355,9 @@ func NewResolver(config Config) *Resolver {
 	}
 
 	if len(config.Policy) != 0 {
-		r.policy = trie.New[*Policy]()
+		r.policy = trie.New()
 		for domain, nameserver := range config.Policy {
-			r.policy.Insert(domain, NewPolicy(transform([]NameServer{nameserver}, defaultResolver)))
+			r.policy.Insert(domain, transform([]NameServer{nameserver}, defaultResolver))
 		}
 	}
 

dns/util.go

@@ -5,7 +5,6 @@ import (
 	"crypto/tls"
 	"fmt"
 	"net"
-	"net/netip"
 	"time"
 
 	"github.com/Dreamacro/clash/common/cache"
@@ -17,7 +16,7 @@ import (
 	D "github.com/miekg/dns"
 )
 
-func putMsgToCache(c *cache.LruCache[string, *D.Msg], key string, msg *D.Msg) {
+func putMsgToCache(c *cache.LruCache, key string, msg *D.Msg) {
 	var ttl uint32
 	switch {
 	case len(msg.Answer) != 0:
@@ -115,22 +114,6 @@ func msgToIP(msg *D.Msg) []net.IP {
 	return ips
 }
 
-func ipToAddr(ip net.IP) netip.Addr {
-	if ip == nil {
-		return netip.Addr{}
-	}
-
-	l := len(ip)
-
-	if l == 4 {
-		return netip.AddrFrom4(*(*[4]byte)(ip))
-	} else if l == 16 {
-		return netip.AddrFrom16(*(*[16]byte)(ip))
-	} else {
-		return netip.Addr{}
-	}
-}
-
 type wrapPacketConn struct {
 	net.PacketConn
 	rAddr net.Addr

go.mod

@@ -3,34 +3,33 @@ module github.com/Dreamacro/clash
 go 1.18
 
 require (
-	github.com/Dreamacro/go-shadowsocks2 v0.1.8
+	github.com/Dreamacro/go-shadowsocks2 v0.1.7
 	github.com/dlclark/regexp2 v1.4.0
 	github.com/go-chi/chi/v5 v5.0.7
 	github.com/go-chi/cors v1.2.0
 	github.com/go-chi/render v1.0.1
 	github.com/gofrs/uuid v4.2.0+incompatible
 	github.com/gorilla/websocket v1.5.0
-	github.com/insomniacslk/dhcp v0.0.0-20220405050111-12fbdcb11b41
-	github.com/lucas-clemente/quic-go v0.27.0
-	github.com/miekg/dns v1.1.48
+	github.com/insomniacslk/dhcp v0.0.0-20220119180841-3c283ff8b7dd
+	github.com/lucas-clemente/quic-go v0.26.0
+	github.com/miekg/dns v1.1.47
 	github.com/oschwald/geoip2-golang v1.7.0
 	github.com/sirupsen/logrus v1.8.1
 	github.com/stretchr/testify v1.7.1
 	github.com/xtls/go v0.0.0-20210920065950-d4af136d3672
 	go.etcd.io/bbolt v1.3.6
 	go.uber.org/atomic v1.9.0
-	go.uber.org/automaxprocs v1.5.1
-	golang.org/x/crypto v0.0.0-20220411220226-7b82a4e95df4
-	golang.org/x/exp v0.0.0-20220414153411-bcd21879b8fd
-	golang.org/x/net v0.0.0-20220412020605-290c469a71a5
+	go.uber.org/automaxprocs v1.4.0
+	golang.org/x/crypto v0.0.0-20220321153916-2c7772ba3064
+	golang.org/x/net v0.0.0-20220325170049-de3da57026de
 	golang.org/x/sync v0.0.0-20210220032951-036812b2e83c
-	golang.org/x/sys v0.0.0-20220412071739-889880a91fd5
-	golang.org/x/time v0.0.0-20220411224347-583f2d630306
-	golang.zx2c4.com/wireguard v0.0.0-20220407013110-ef5c587f782d
+	golang.org/x/sys v0.0.0-20220330033206-e17cdc41300f
+	golang.org/x/time v0.0.0-20220224211638-0e9765cccd65
+	golang.zx2c4.com/wireguard v0.0.0-20220318042302-193cf8d6a5d6
 	golang.zx2c4.com/wireguard/windows v0.5.4-0.20220317000008-6432784c2469
 	google.golang.org/protobuf v1.28.0
 	gopkg.in/yaml.v2 v2.4.0
-	gvisor.dev/gvisor v0.0.0-20220412020520-6917e582612b
+	gvisor.dev/gvisor v0.0.0-20220326024801-5d1f3d24cb84
 )
 
 require (
@@ -51,10 +50,10 @@ require (
 	golang.org/x/mod v0.6.0-dev.0.20220106191415-9b9b3d81d5e3 // indirect
 	golang.org/x/text v0.3.8-0.20220124021120-d1c84af989ab // indirect
 	golang.org/x/tools v0.1.10 // indirect
-	golang.org/x/xerrors v0.0.0-20220411194840-2f41105eb62f // indirect
+	golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 // indirect
 	golang.zx2c4.com/wintun v0.0.0-20211104114900-415007cec224 // indirect
 	gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 // indirect
-	gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b // indirect
+	gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c // indirect
 )
 
 replace golang.zx2c4.com/wintun v0.0.0-20211104114900-415007cec224 => github.com/MetaCubeX/wintun-go v0.0.0-20220319102620-bbc5e6b2015e

go.sum

@@ -8,8 +8,8 @@ dmitri.shuralyov.com/service/change v0.0.0-20181023043359-a85b471d5412/go.mod h1
 dmitri.shuralyov.com/state v0.0.0-20180228185332-28bcc343414c/go.mod h1:0PRwlb0D6DFvNNtx+9ybjezNCa8XF0xaYcETyp6rHWU=
 git.apache.org/thrift.git v0.0.0-20180902110319-2566ecd5d999/go.mod h1:fPE2ZNJGynbRyZ4dJvy6G277gSllfV2HJqblrnkyeyg=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
-github.com/Dreamacro/go-shadowsocks2 v0.1.8 h1:Ixejp5JscEc866gAvm/l6TFd7BOBvDviKgwb1quWw3g=
-github.com/Dreamacro/go-shadowsocks2 v0.1.8/go.mod h1:51y4Q6tJoCE7e8TmYXcQRqfoxPfE9Cvn79V6pB6Df7Y=
+github.com/Dreamacro/go-shadowsocks2 v0.1.7 h1:8CtbE1HoPPMfrQZGXmlluq6dO2lL31W6WRRE8fabc4Q=
+github.com/Dreamacro/go-shadowsocks2 v0.1.7/go.mod h1:8p5G4cAj5ZlXwUR+Ww63gfSikr8kvw8uw3TDwLAJpUc=
 github.com/MetaCubeX/wintun-go v0.0.0-20220319102620-bbc5e6b2015e h1:GRfT5Lf8HP7RNczKIwTYLoCh1PPuIs/sY9hj+W+3deg=
 github.com/MetaCubeX/wintun-go v0.0.0-20220319102620-bbc5e6b2015e/go.mod h1:ARUuShAtcziEJ/vnZ2hgoP+zc0J7Ukcca2S/NPDoQCc=
 github.com/anmitsu/go-shlex v0.0.0-20161002113705-648efa622239/go.mod h1:2FmKhYUyUczH0OGQWaF5ceTx0UBShxjsH6f8oGKYe2c=
@@ -88,8 +88,8 @@ github.com/gregjones/httpcache v0.0.0-20180305231024-9cad4c3443a7/go.mod h1:Fecb
 github.com/grpc-ecosystem/grpc-gateway v1.5.0/go.mod h1:RSKVYQBd5MCa4OVpNdGskqpgL2+G+NZTnrVHpWWfpdw=
 github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpOxQnU=
 github.com/hugelgupf/socketpair v0.0.0-20190730060125-05d35a94e714/go.mod h1:2Goc3h8EklBH5mspfHFxBnEoURQCGzQQH1ga9Myjvis=
-github.com/insomniacslk/dhcp v0.0.0-20220405050111-12fbdcb11b41 h1:Yg3n3AI7GoHnWt7dyjsLPU+TEuZfPAg0OdiA3MJUV6I=
-github.com/insomniacslk/dhcp v0.0.0-20220405050111-12fbdcb11b41/go.mod h1:h+MxyHxRg9NH3terB1nfRIUaQEcI0XOVkdR9LNBlp8E=
+github.com/insomniacslk/dhcp v0.0.0-20220119180841-3c283ff8b7dd h1:efcJu2Vzz6DoSq245deWNzTz6l/gsqdphm3FjmI88/g=
+github.com/insomniacslk/dhcp v0.0.0-20220119180841-3c283ff8b7dd/go.mod h1:h+MxyHxRg9NH3terB1nfRIUaQEcI0XOVkdR9LNBlp8E=
 github.com/jellevandenhooff/dkim v0.0.0-20150330215556-f50fe3d243e1/go.mod h1:E0B/fFc00Y+Rasa88328GlI/XbtyysCtTHZS8h7IrBU=
 github.com/jsimonetti/rtnetlink v0.0.0-20190606172950-9527aa82566a/go.mod h1:Oz+70psSo5OFh8DBl0Zv2ACw7Esh6pPUphlvZG9x7uw=
 github.com/jsimonetti/rtnetlink v0.0.0-20200117123717-f846d4f6c1f4/go.mod h1:WGuG/smIU4J/54PblvSbh+xvCZmpJnFgr3ds6Z55XMQ=
@@ -106,8 +106,8 @@ github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
 github.com/kr/pty v1.1.3/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
 github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE=
 github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
-github.com/lucas-clemente/quic-go v0.27.0 h1:v6WY87q9zD4dKASbG8hy/LpzAVNzEQzw8sEIeloJsc4=
-github.com/lucas-clemente/quic-go v0.27.0/go.mod h1:AzgQoPda7N+3IqMMMkywBKggIFo2KT6pfnlrQ2QieeI=
+github.com/lucas-clemente/quic-go v0.26.0 h1:ALBQXr9UJ8A1LyzvceX4jd9QFsHvlI0RR6BkV16o00A=
+github.com/lucas-clemente/quic-go v0.26.0/go.mod h1:AzgQoPda7N+3IqMMMkywBKggIFo2KT6pfnlrQ2QieeI=
 github.com/lunixbochs/vtclean v1.0.0/go.mod h1:pHhQNgMf3btfWnGBVipUOjRYhoOsdGqdm/+2c2E2WMI=
 github.com/mailru/easyjson v0.0.0-20190312143242-1de009706dbe/go.mod h1:C1wdFJiN94OJF2b5HbByQZoLdCWB1Yqtg26g4irojpc=
 github.com/marten-seemann/qpack v0.2.1/go.mod h1:F7Gl5L1jIgN1D11ucXefiuJS9UMVP2opoCp2jDKb7wc=
@@ -126,8 +126,8 @@ github.com/mdlayher/netlink v1.1.1/go.mod h1:WTYpFb/WTvlRJAyKhZL5/uy69TDDpHHu2VZ
 github.com/mdlayher/raw v0.0.0-20190606142536-fef19f00fc18/go.mod h1:7EpbotpCmVZcu+KCX4g9WaRNuu11uyhiW7+Le1dKawg=
 github.com/mdlayher/raw v0.0.0-20191009151244-50f2db8cc065/go.mod h1:7EpbotpCmVZcu+KCX4g9WaRNuu11uyhiW7+Le1dKawg=
 github.com/microcosm-cc/bluemonday v1.0.1/go.mod h1:hsXNsILzKxV+sX77C5b8FSuKF00vh2OMYv+xgHpAMF4=
-github.com/miekg/dns v1.1.48 h1:Ucfr7IIVyMBz4lRE8qmGUuZ4Wt3/ZGu9hmcMT3Uu4tQ=
-github.com/miekg/dns v1.1.48/go.mod h1:e3IlAVfNqAllflbibAZEWOXOQ+Ynzk/dDozDxY7XnME=
+github.com/miekg/dns v1.1.47 h1:J9bWiXbqMbnZPcY8Qi2E3EWIBsIm6MZzzJB9VRg5gL8=
+github.com/miekg/dns v1.1.47/go.mod h1:e3IlAVfNqAllflbibAZEWOXOQ+Ynzk/dDozDxY7XnME=
 github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
 github.com/modern-go/reflect2 v1.0.1/go.mod h1:bx2lNnkwVCuqBIxFjflWJWanXIb3RllmbCylyMrvgv0=
 github.com/neelance/astrewrite v0.0.0-20160511093645-99348263ae86/go.mod h1:kHJEU3ofeGjhHklVoIGuVj85JJwZ6kWPaJwCIxgnFmo=
@@ -154,7 +154,6 @@ github.com/oschwald/maxminddb-golang v1.9.0/go.mod h1:TK+s/Z2oZq0rSl4PSeAEoP0bgm
 github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
-github.com/prashantv/gostub v1.1.0 h1:BTyx3RfQjRHnUWaGF9oQos79AlQ5k8WNktv7VGvVH4g=
 github.com/prometheus/client_golang v0.8.0/go.mod h1:7SWBe2y4D6OKWSNQJUaRYU/AaXPKyh/dDVn+NZz0KFw=
 github.com/prometheus/client_model v0.0.0-20180712105110-5c3871d89910/go.mod h1:MbSGuTsp3dbXC40dX6PRTWyKYBIrTGTE9sqQNg2J8bo=
 github.com/prometheus/common v0.0.0-20180801064454-c7de2306084e/go.mod h1:daVV7qP5qjZbuso7PdcryaAu0sAZbrN9i7WWcTMWvro=
@@ -192,6 +191,7 @@ github.com/sourcegraph/syntaxhighlight v0.0.0-20170531221838-bd320f5d308e/go.mod
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
 github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
+github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
 github.com/stretchr/testify v1.5.1/go.mod h1:5W2xD1RspED5o8YsWQXVCued0rvSQ+mT+I5cxcmMvtA=
 github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/stretchr/testify v1.7.1 h1:5TQK59W5E3v0r2duFAb7P95B6hEeOyEnHRa8MjYSMTY=
@@ -211,8 +211,8 @@ go.etcd.io/bbolt v1.3.6/go.mod h1:qXsaaIqmgQH0T+OPdb99Bf+PKfBBQVAdyD6TY9G8XM4=
 go.opencensus.io v0.18.0/go.mod h1:vKdFvxhtzZ9onBp9VKHK8z/sRpBMnKAsufL7wlDrCOA=
 go.uber.org/atomic v1.9.0 h1:ECmE8Bn/WFTYwEW/bpKD3M8VtR/zQVbavAoalC1PYyE=
 go.uber.org/atomic v1.9.0/go.mod h1:fEN4uk6kAWBTFdckzkM89CLk9XfWZrxpCo0nPH17wJc=
-go.uber.org/automaxprocs v1.5.1 h1:e1YG66Lrk73dn4qhg8WFSvhF0JuFQF0ERIp4rpuV8Qk=
-go.uber.org/automaxprocs v1.5.1/go.mod h1:BF4eumQw0P9GtnuxxovUd06vwm1o18oMzFtK66vU6XU=
+go.uber.org/automaxprocs v1.4.0 h1:CpDZl6aOlLhReez+8S3eEotD7Jx0Os++lemPlMULQP0=
+go.uber.org/automaxprocs v1.4.0/go.mod h1:/mTEdr7LvHhs0v7mjdxDreTz1OG5zdZGqgOnhWiR/+Q=
 go4.org v0.0.0-20180809161055-417644f6feb5/go.mod h1:MkTOUMDaeVYJUOUsaDXIhWPZYa1yOyC1qaOBpL57BhE=
 golang.org/x/build v0.0.0-20190111050920-041ab4dc3f9d/go.mod h1:OWs+y06UdEOHN4y+MfF/py+xQ/tYqIWW03b70/CG9Rw=
 golang.org/x/crypto v0.0.0-20181030102418-4d3f4d9ffa16/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
@@ -221,8 +221,9 @@ golang.org/x/crypto v0.0.0-20190313024323-a1f597ede03a/go.mod h1:djNgcEr1/C05ACk
 golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20200221231518-2aa609cf4a9d/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
-golang.org/x/crypto v0.0.0-20220411220226-7b82a4e95df4 h1:kUhD7nTDoI3fVd9G4ORWrbV5NY0liEs/Jg2pv5f+bBA=
-golang.org/x/crypto v0.0.0-20220411220226-7b82a4e95df4/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4=
+golang.org/x/crypto v0.0.0-20210317152858-513c2a44f670/go.mod h1:T9bdIzuCu7OtxOm1hfPfRQxPLYneinmdGuTeoZ9dtd4=
+golang.org/x/crypto v0.0.0-20220321153916-2c7772ba3064 h1:S25/rfnfsMVgORT4/J61MJ7rdyseOZOyvLIrZEZ7s6s=
+golang.org/x/crypto v0.0.0-20220321153916-2c7772ba3064/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4=
 golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
 golang.org/x/lint v0.0.0-20180702182130-06c8688daad7/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
 golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
@@ -252,11 +253,12 @@ golang.org/x/net v0.0.0-20200707034311-ab3426394381/go.mod h1:/O7V0waA8r7cgGh81R
 golang.org/x/net v0.0.0-20201010224723-4f7140c49acb/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
 golang.org/x/net v0.0.0-20201021035429-f5854403a974/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
 golang.org/x/net v0.0.0-20201110031124-69a78807bb2b/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
+golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
 golang.org/x/net v0.0.0-20210405180319-a5a99cb37ef4/go.mod h1:p54w0d4576C0XHj96bSt6lcn1PtDYWL6XObtHCRCNQM=
 golang.org/x/net v0.0.0-20210428140749-89ef3d95e781/go.mod h1:OJAsFXCWl8Ukc7SiCT/9KSuxbyM7479/AVlXFRxuMCk=
 golang.org/x/net v0.0.0-20210726213435-c6fcb2dbf985/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
-golang.org/x/net v0.0.0-20220412020605-290c469a71a5 h1:bRb386wvrE+oBNdF1d/Xh9mQrfQ4ecYhW5qJ5GvTGT4=
-golang.org/x/net v0.0.0-20220412020605-290c469a71a5/go.mod h1:CfG3xpIq0wQ8r1q4Su4UZFWDARRcnwPjda9FqA0JpMk=
+golang.org/x/net v0.0.0-20220325170049-de3da57026de h1:pZB1TWnKi+o4bENlbzAgLrEbY4RMYmUIRobMcSmfeYc=
+golang.org/x/net v0.0.0-20220325170049-de3da57026de/go.mod h1:CfG3xpIq0wQ8r1q4Su4UZFWDARRcnwPjda9FqA0JpMk=
 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/oauth2 v0.0.0-20181017192945-9dcd33a902f4/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/oauth2 v0.0.0-20181203162652-d668ce993890/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
@@ -302,8 +304,8 @@ golang.org/x/sys v0.0.0-20210510120138-977fb7262007/go.mod h1:oPkhp1MJrh7nUepCBc
 golang.org/x/sys v0.0.0-20210525143221-35b2ab0089ea/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.0.0-20210630005230-0f9fa26af87c/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.0.0-20220412071739-889880a91fd5 h1:NubxfvTRuNb4RVzWrIDAUzUvREH1HkCD4JjyQTSG9As=
-golang.org/x/sys v0.0.0-20220412071739-889880a91fd5/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.0.0-20220330033206-e17cdc41300f h1:rlezHXNlxYWvBCzNses9Dlc7nGFaNMJeqLolcmQSSZY=
+golang.org/x/sys v0.0.0-20220330033206-e17cdc41300f/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.1-0.20180807135948-17ff2d5776d2/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
@@ -314,8 +316,8 @@ golang.org/x/text v0.3.8-0.20220124021120-d1c84af989ab h1:eHo2TTVBaAPw9lDGK2Gb9G
 golang.org/x/text v0.3.8-0.20220124021120-d1c84af989ab/go.mod h1:EFNZuWvGYxIRUEX+K8UmCFwYmZjqcrnq15ZuVldZkZ0=
 golang.org/x/time v0.0.0-20180412165947-fbb02b2291d2/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/time v0.0.0-20181108054448-85acf8d2951c/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
-golang.org/x/time v0.0.0-20220411224347-583f2d630306 h1:+gHMid33q6pen7kv9xvT+JRinntgeXO2AeZVd0AWD3w=
-golang.org/x/time v0.0.0-20220411224347-583f2d630306/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
+golang.org/x/time v0.0.0-20220224211638-0e9765cccd65 h1:M73Iuj3xbbb9Uk1DYhzydthsj6oOd6l9bpuFcNoUvTs=
+golang.org/x/time v0.0.0-20220224211638-0e9765cccd65/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/tools v0.0.0-20180828015842-6cd1fcedba52/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20181030000716-a0a13e073c7b/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
@@ -332,11 +334,10 @@ golang.org/x/tools v0.1.10/go.mod h1:Uh6Zz+xoGYZom868N8YTex3t7RhtHDBrE8Gzo9bV56E
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 h1:go1bK/D/BFZV2I8cIQd1NKEZ+0owSTG1fDTci4IqFcE=
 golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
-golang.org/x/xerrors v0.0.0-20220411194840-2f41105eb62f h1:GGU+dLjvlC3qDwqYgL6UgRmHXhOOgns0bZu2Ty5mm6U=
-golang.org/x/xerrors v0.0.0-20220411194840-2f41105eb62f/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
-golang.zx2c4.com/wireguard v0.0.0-20220407013110-ef5c587f782d h1:q4JksJ2n0fmbXC0Aj0eOs6E0AcPqnKglxWXWFqGD6x0=
-golang.zx2c4.com/wireguard v0.0.0-20220407013110-ef5c587f782d/go.mod h1:bVQfyl2sCM/QIIGHpWbFGfHPuDvqnCNkT6MQLTCjO/U=
+golang.zx2c4.com/wireguard v0.0.0-20220318042302-193cf8d6a5d6 h1:kgBK1EGuTIYbwoKROmsoV0FQp08gnCcVa110A4Unqhk=
+golang.zx2c4.com/wireguard v0.0.0-20220318042302-193cf8d6a5d6/go.mod h1:bVQfyl2sCM/QIIGHpWbFGfHPuDvqnCNkT6MQLTCjO/U=
 golang.zx2c4.com/wireguard/windows v0.5.4-0.20220317000008-6432784c2469 h1:SEYkJAIuYAsSAPkCffOiYLtq5brBDSI+L0mRjSsvSTY=
 golang.zx2c4.com/wireguard/windows v0.5.4-0.20220317000008-6432784c2469/go.mod h1:1CeiatTZwcwSFA3cAtMm8CQoroviTldnxd7DOgM/vI4=
 google.golang.org/api v0.0.0-20180910000450-7ca32eb868bf/go.mod h1:4mhQ8q/RsB7i+udVvVy5NUi08OU8ZlA0gRVgrF7VFY0=
@@ -378,12 +379,11 @@ gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
 gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
-gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b h1:h8qDotaEPuJATrMmW04NCwg7v22aHH28wwpauUhK9Oo=
-gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 grpc.go4.org v0.0.0-20170609214715-11d0a25b4919/go.mod h1:77eQGdRu53HpSqPFJFmuJdjuHRquDANNeA4x7B8WQ9o=
-gvisor.dev/gvisor v0.0.0-20220412020520-6917e582612b h1:JW1pUBe6A3H+b0B9DwEOcfK+TLS/04A3A9cettPpfV0=
-gvisor.dev/gvisor v0.0.0-20220412020520-6917e582612b/go.mod h1:tWwEcFvJavs154OdjFCw78axNrsDlz4Zh8jvPqwcpGI=
+gvisor.dev/gvisor v0.0.0-20220326024801-5d1f3d24cb84 h1:nENO+rT8Nx+Vtp/VK+K7g9VpHdvJwJYCFgdN5yaoAzA=
+gvisor.dev/gvisor v0.0.0-20220326024801-5d1f3d24cb84/go.mod h1:tWwEcFvJavs154OdjFCw78axNrsDlz4Zh8jvPqwcpGI=
 honnef.co/go/tools v0.0.0-20180728063816-88497007e858/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190106161140-3f1c8253044a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=

hub/executor/executor.go

@@ -3,7 +3,6 @@ package executor
 import (
 	"fmt"
 	"net"
-	"net/netip"
 	"os"
 	"runtime"
 	"strconv"
@@ -18,7 +17,6 @@ import (
 	"github.com/Dreamacro/clash/component/profile"
 	"github.com/Dreamacro/clash/component/profile/cachefile"
 	"github.com/Dreamacro/clash/component/resolver"
-	SNI "github.com/Dreamacro/clash/component/sniffer"
 	"github.com/Dreamacro/clash/component/trie"
 	"github.com/Dreamacro/clash/config"
 	C "github.com/Dreamacro/clash/constant"
@@ -77,7 +75,6 @@ func ApplyConfig(cfg *config.Config, force bool) {
 	updateUsers(cfg.Users)
 	updateProxies(cfg.Proxies, cfg.Providers)
 	updateRules(cfg.Rules, cfg.RuleProviders)
-	updateSniffer(cfg.Sniffer)
 	updateDNS(cfg.DNS, cfg.Tun)
 	updateGeneral(cfg.General, force)
 	updateIPTables(cfg)
@@ -172,7 +169,7 @@ func updateDNS(c *config.DNS, t *config.Tun) {
 	}
 }
 
-func updateHosts(tree *trie.DomainTrie[netip.Addr]) {
+func updateHosts(tree *trie.DomainTrie) {
 	resolver.DefaultHosts = tree
 }
 
@@ -220,26 +217,6 @@ func updateTun(tun *config.Tun, dns *config.DNS) {
 	P.ReCreateTun(tun, dns, tunnel.TCPIn(), tunnel.UDPIn())
 }
 
-func updateSniffer(sniffer *config.Sniffer) {
-	if sniffer.Enable {
-		dispatcher, err := SNI.NewSnifferDispatcher(sniffer.Sniffers, sniffer.ForceDomain, sniffer.SkipSNI, sniffer.Ports)
-		if err != nil {
-			log.Warnln("initial sniffer failed, err:%v", err)
-		}
-
-		tunnel.UpdateSniffer(dispatcher)
-		log.Infoln("Sniffer is loaded and working")
-	} else {
-		dispatcher, err := SNI.NewCloseSnifferDispatcher()
-		if err != nil {
-			log.Warnln("initial sniffer failed, err:%v", err)
-		}
-
-		tunnel.UpdateSniffer(dispatcher)
-		log.Infoln("Sniffer is closed")
-	}
-}
-
 func updateGeneral(general *config.General, force bool) {
 	log.SetLevel(general.LogLevel)
 	tunnel.SetMode(general.Mode)

listener/http/proxy.go

@@ -15,7 +15,7 @@ import (
 	"github.com/Dreamacro/clash/log"
 )
 
-func HandleConn(c net.Conn, in chan<- C.ConnContext, cache *cache.Cache[string, bool]) {
+func HandleConn(c net.Conn, in chan<- C.ConnContext, cache *cache.Cache) {
 	client := newClient(c.RemoteAddr(), in)
 	defer client.CloseIdleConnections()
 
@@ -98,7 +98,7 @@ func HandleConn(c net.Conn, in chan<- C.ConnContext, cache *cache.Cache[string,
 	conn.Close()
 }
 
-func authenticate(request *http.Request, cache *cache.Cache[string, bool]) *http.Response {
+func authenticate(request *http.Request, cache *cache.Cache) *http.Response {
 	authenticator := authStore.Authenticator()
 	if authenticator != nil {
 		credential := parseBasicProxyAuthorization(request)
@@ -108,13 +108,13 @@ func authenticate(request *http.Request, cache *cache.Cache[string, bool]) *http
 			return resp
 		}
 
-		var authed bool
-		if authed = cache.Get(credential); !authed {
+		var authed any
+		if authed = cache.Get(credential); authed == nil {
 			user, pass, err := decodeBasicProxyAuthorization(credential)
 			authed = err == nil && authenticator.Verify(user, pass)
 			cache.Put(credential, authed, time.Minute)
 		}
-		if !authed {
+		if !authed.(bool) {
 			log.Infoln("Auth failed from %s", request.RemoteAddr)
 
 			return responseWith(request, http.StatusForbidden)

listener/http/server.go

@@ -40,9 +40,9 @@ func NewWithAuthenticate(addr string, in chan<- C.ConnContext, authenticate bool
 		return nil, err
 	}
 
-	var c *cache.Cache[string, bool]
+	var c *cache.Cache
 	if authenticate {
-		c = cache.New[string, bool](time.Second * 30)
+		c = cache.New(time.Second * 30)
 	}
 
 	hl := &Listener{

listener/http/utils.go

@@ -40,7 +40,7 @@ func removeExtraHTTPHostPort(req *http.Request) {
 		host = req.URL.Host
 	}
 
-	if pHost, port, err := net.SplitHostPort(host); err == nil && (port == "80" || port == "443") {
+	if pHost, port, err := net.SplitHostPort(host); err == nil && port == "80" {
 		host = pHost
 	}
 

listener/mixed/mixed.go

@@ -16,7 +16,7 @@ import (
 type Listener struct {
 	listener net.Listener
 	addr     string
-	cache    *cache.Cache[string, bool]
+	cache    *cache.Cache
 	closed   bool
 }
 
@@ -45,7 +45,7 @@ func New(addr string, in chan<- C.ConnContext) (*Listener, error) {
 	ml := &Listener{
 		listener: l,
 		addr:     addr,
-		cache:    cache.New[string, bool](30 * time.Second),
+		cache:    cache.New(30 * time.Second),
 	}
 	go func() {
 		for {
@@ -63,7 +63,7 @@ func New(addr string, in chan<- C.ConnContext) (*Listener, error) {
 	return ml, nil
 }
 
-func handleConn(conn net.Conn, in chan<- C.ConnContext, cache *cache.Cache[string, bool]) {
+func handleConn(conn net.Conn, in chan<- C.ConnContext, cache *cache.Cache) {
 	conn.(*net.TCPConn).SetKeepAlive(true)
 
 	bufConn := N.NewBufferedConn(conn)

listener/tun/device/device.go

@@ -29,4 +29,7 @@ type Device interface {
 
 	// UseIOBased work for other ip stack
 	UseIOBased() error
+
+	// Wait waits for the device to close.
+	Wait()
 }

listener/tun/device/iobased/endpoint.go

@@ -36,9 +36,6 @@ type Endpoint struct {
 
 	// once is used to perform the init action once when attaching.
 	once sync.Once
-
-	// wg keeps track of running goroutines.
-	wg sync.WaitGroup
 }
 
 // New returns stack.LinkEndpoint(.*Endpoint) and error.
@@ -63,26 +60,19 @@ func New(rw io.ReadWriter, mtu uint32, offset int) (*Endpoint, error) {
 	}, nil
 }
 
-func (e *Endpoint) Wait() {
-	e.wg.Wait()
+func (e *Endpoint) Close() {
+	e.Endpoint.Close()
 }
 
 // Attach launches the goroutine that reads packets from io.Reader and
 // dispatches them via the provided dispatcher.
 func (e *Endpoint) Attach(dispatcher stack.NetworkDispatcher) {
-	e.Endpoint.Attach(dispatcher)
 	e.once.Do(func() {
 		ctx, cancel := context.WithCancel(context.Background())
-		e.wg.Add(2)
-		go func() {
-			e.outboundLoop(ctx)
-			e.wg.Done()
-		}()
-		go func() {
-			e.dispatchLoop(cancel)
-			e.wg.Done()
-		}()
+		go e.dispatchLoop(cancel)
+		go e.outboundLoop(ctx)
 	})
+	e.Endpoint.Attach(dispatcher)
 }
 
 // dispatchLoop dispatches packets to upper layer.
@@ -91,19 +81,14 @@ func (e *Endpoint) dispatchLoop(cancel context.CancelFunc) {
 	// gracefully after (*Endpoint).dispatchLoop(context.CancelFunc) returns.
 	defer cancel()
 
-	mtu := int(e.mtu)
 	for {
-		data := make([]byte, mtu)
+		data := make([]byte, int(e.mtu))
 
 		n, err := e.rw.Read(data)
 		if err != nil {
 			break
 		}
 
-		if n == 0 || n > mtu {
-			continue
-		}
-
 		if !e.IsAttached() {
 			continue /* unattached, drop packet */
 		}

listener/tun/device/tun/tun_windows.go

@@ -5,11 +5,6 @@ import (
 	"golang.zx2c4.com/wireguard/tun"
 )
 
-const (
-	offset     = 0
-	defaultMTU = 0 /* auto */
-)
-
 func init() {
 	guid, _ := windows.GUIDFromString("{330EAEF8-7578-5DF2-D97B-8DADC0EA85CB}")
 

listener/tun/device/tun/tun_wireguard.go

@@ -32,6 +32,15 @@ func Open(name string, mtu uint32) (_ device.Device, err error) {
 		}
 	}()
 
+	var (
+		offset     = 4 /* 4 bytes TUN_PI */
+		defaultMTU = 1500
+	)
+	if runtime.GOOS == "windows" {
+		offset = 0
+		defaultMTU = 0 /* auto */
+	}
+
 	t := &TUN{
 		name:   name,
 		mtu:    mtu,
@@ -92,11 +101,9 @@ func (t *TUN) Write(packet []byte) (int, error) {
 }
 
 func (t *TUN) Close() error {
-	defer func(ep *iobased.Endpoint) {
-		if ep != nil {
-			ep.Close()
-		}
-	}(t.Endpoint)
+	if t.Endpoint != nil {
+		t.Endpoint.Close()
+	}
 	return t.nt.Close()
 }
 

listener/tun/device/tun/tun_wireguard_unix.go

@@ -1,8 +0,0 @@
-//go:build !linux && !windows
-
-package tun
-
-const (
-	offset     = 4 /* 4 bytes TUN_PI */
-	defaultMTU = 1500
-)

listener/tun/ipstack/gvisor/handler.go

@@ -27,7 +27,7 @@ type GVHandler struct {
 func (gh *GVHandler) HandleTCP(tunConn adapter.TCPConn) {
 	id := tunConn.ID()
 
-	rAddr := &net.TCPAddr{
+	rAddr := &net.UDPAddr{
 		IP:   net.IP(id.LocalAddress),
 		Port: int(id.LocalPort),
 		Zone: "",

listener/tun/ipstack/gvisor/option/option.go

@@ -37,7 +37,7 @@ const (
 
 	// tcpModerateReceiveBufferEnabled is the value used by stack to
 	// enable or disable tcp receive buffer auto-tuning option.
-	tcpModerateReceiveBufferEnabled = false
+	tcpModerateReceiveBufferEnabled = true
 
 	// tcpSACKEnabled is the value used by stack to enable or disable
 	// tcp selective ACK.
@@ -47,18 +47,14 @@ const (
 	tcpRecovery = tcpip.TCPRACKLossDetection
 
 	// tcpMinBufferSize is the smallest size of a send/recv buffer.
-	tcpMinBufferSize = tcp.MinBufferSize
+	tcpMinBufferSize = tcp.MinBufferSize // 4 KiB
 
 	// tcpMaxBufferSize is the maximum permitted size of a send/recv buffer.
-	tcpMaxBufferSize = tcp.MaxBufferSize
+	tcpMaxBufferSize = tcp.MaxBufferSize // 4 MiB
 
-	// tcpDefaultBufferSize is the default size of the send buffer for
+	// tcpDefaultBufferSize is the default size of the send/recv buffer for
 	// a transport endpoint.
-	tcpDefaultSendBufferSize = tcp.DefaultSendBufferSize
-
-	// tcpDefaultReceiveBufferSize is the default size of the receive buffer
-	// for a transport endpoint.
-	tcpDefaultReceiveBufferSize = tcp.DefaultReceiveBufferSize
+	tcpDefaultBufferSize = 212 << 10 // 212 KiB
 )
 
 type Option func(*stack.Stack) error
@@ -78,8 +74,7 @@ func WithDefault() Option {
 			// in too large buffers.
 			//
 			// Ref: https://github.com/cloudflare/slirpnetstack/blob/master/stack.go
-			WithTCPSendBufferSizeRange(tcpMinBufferSize, tcpDefaultSendBufferSize, tcpMaxBufferSize),
-			WithTCPReceiveBufferSizeRange(tcpMinBufferSize, tcpDefaultReceiveBufferSize, tcpMaxBufferSize),
+			WithTCPBufferSizeRange(tcpMinBufferSize, tcpDefaultBufferSize, tcpMaxBufferSize),
 
 			WithTCPCongestionControl(tcpCongestionControlAlgorithm),
 			WithTCPDelay(tcpDelayEnabled),
@@ -159,46 +154,17 @@ func WithICMPLimit(limit rate.Limit) Option {
 	}
 }
 
-// WithTCPSendBufferSize sets default the send buffer size for TCP.
-func WithTCPSendBufferSize(size int) Option {
-	return func(s *stack.Stack) error {
-		sndOpt := tcpip.TCPSendBufferSizeRangeOption{Min: tcpMinBufferSize, Default: size, Max: tcpMaxBufferSize}
-		if err := s.SetTransportProtocolOption(tcp.ProtocolNumber, &sndOpt); err != nil {
-			return fmt.Errorf("set TCP send buffer size range: %s", err)
-		}
-		return nil
-	}
-}
-
-// WithTCPSendBufferSizeRange sets the send buffer size range for TCP.
-func WithTCPSendBufferSizeRange(a, b, c int) Option {
-	return func(s *stack.Stack) error {
-		sndOpt := tcpip.TCPSendBufferSizeRangeOption{Min: a, Default: b, Max: c}
-		if err := s.SetTransportProtocolOption(tcp.ProtocolNumber, &sndOpt); err != nil {
-			return fmt.Errorf("set TCP send buffer size range: %s", err)
-		}
-		return nil
-	}
-}
-
-// WithTCPReceiveBufferSize sets the default receive buffer size for TCP.
-func WithTCPReceiveBufferSize(size int) Option {
-	return func(s *stack.Stack) error {
-		rcvOpt := tcpip.TCPReceiveBufferSizeRangeOption{Min: tcpMinBufferSize, Default: size, Max: tcpMaxBufferSize}
-		if err := s.SetTransportProtocolOption(tcp.ProtocolNumber, &rcvOpt); err != nil {
-			return fmt.Errorf("set TCP receive buffer size range: %s", err)
-		}
-		return nil
-	}
-}
-
-// WithTCPReceiveBufferSizeRange sets the receive buffer size range for TCP.
-func WithTCPReceiveBufferSizeRange(a, b, c int) Option {
+// WithTCPBufferSizeRange sets the receive and send buffer size range for TCP.
+func WithTCPBufferSizeRange(a, b, c int) Option {
 	return func(s *stack.Stack) error {
 		rcvOpt := tcpip.TCPReceiveBufferSizeRangeOption{Min: a, Default: b, Max: c}
 		if err := s.SetTransportProtocolOption(tcp.ProtocolNumber, &rcvOpt); err != nil {
 			return fmt.Errorf("set TCP receive buffer size range: %s", err)
 		}
+		sndOpt := tcpip.TCPSendBufferSizeRangeOption{Min: a, Default: b, Max: c}
+		if err := s.SetTransportProtocolOption(tcp.ProtocolNumber, &sndOpt); err != nil {
+			return fmt.Errorf("set TCP send buffer size range: %s", err)
+		}
 		return nil
 	}
 }

listener/tun/ipstack/gvisor/stack.go

@@ -25,6 +25,7 @@ func (s *gvStack) Close() error {
 	var err error
 	if s.device != nil {
 		err = s.device.Close()
+		s.device.Wait()
 	}
 	if s.Stack != nil {
 		s.Stack.Close()

listener/tun/ipstack/gvisor/tcp.go

@@ -1,15 +1,14 @@
 package gvisor
 
 import (
+	"fmt"
 	"time"
 
 	"github.com/Dreamacro/clash/listener/tun/ipstack/gvisor/adapter"
 	"github.com/Dreamacro/clash/listener/tun/ipstack/gvisor/option"
-	"github.com/Dreamacro/clash/log"
 
 	"gvisor.dev/gvisor/pkg/tcpip"
 	"gvisor.dev/gvisor/pkg/tcpip/adapters/gonet"
-	"gvisor.dev/gvisor/pkg/tcpip/header"
 	"gvisor.dev/gvisor/pkg/tcpip/stack"
 	"gvisor.dev/gvisor/pkg/tcpip/transport/tcp"
 	"gvisor.dev/gvisor/pkg/waiter"
@@ -44,21 +43,8 @@ const (
 func withTCPHandler(handle adapter.TCPHandleFunc) option.Option {
 	return func(s *stack.Stack) error {
 		tcpForwarder := tcp.NewForwarder(s, defaultWndSize, maxConnAttempts, func(r *tcp.ForwarderRequest) {
-			var (
-				wq  waiter.Queue
-				ep  tcpip.Endpoint
-				err tcpip.Error
-				id  = r.ID()
-			)
-
-			defer func() {
-				if err != nil {
-					log.Warnln("[STACK] forward tcp request %s:%d->%s:%d: %s", id.RemoteAddress, id.RemotePort, id.LocalAddress, id.LocalPort, err)
-				}
-			}()
-
-			// Perform a TCP three-way handshake.
-			ep, err = r.CreateEndpoint(&wq)
+			var wq waiter.Queue
+			ep, err := r.CreateEndpoint(&wq)
 			if err != nil {
 				// RST: prevent potential half-open TCP connection leak.
 				r.Complete(true)
@@ -66,11 +52,11 @@ func withTCPHandler(handle adapter.TCPHandleFunc) option.Option {
 			}
 			defer r.Complete(false)
 
-			err = setSocketOptions(s, ep)
+			setKeepalive(ep)
 
 			conn := &tcpConn{
 				TCPConn: gonet.NewTCPConn(&wq, ep),
-				id:      id,
+				id:      r.ID(),
 			}
 			handle(conn)
 		})
@@ -79,34 +65,21 @@ func withTCPHandler(handle adapter.TCPHandleFunc) option.Option {
 	}
 }
 
-func setSocketOptions(s *stack.Stack, ep tcpip.Endpoint) tcpip.Error {
-	{ /* TCP keepalive options */
-		ep.SocketOptions().SetKeepAlive(true)
+func setKeepalive(ep tcpip.Endpoint) error {
+	ep.SocketOptions().SetKeepAlive(true)
 
-		idle := tcpip.KeepaliveIdleOption(tcpKeepaliveIdle)
-		if err := ep.SetSockOpt(&idle); err != nil {
-			return err
-		}
-
-		interval := tcpip.KeepaliveIntervalOption(tcpKeepaliveInterval)
-		if err := ep.SetSockOpt(&interval); err != nil {
-			return err
-		}
-
-		if err := ep.SetSockOptInt(tcpip.KeepaliveCountOption, tcpKeepaliveCount); err != nil {
-			return err
-		}
+	idle := tcpip.KeepaliveIdleOption(tcpKeepaliveIdle)
+	if err := ep.SetSockOpt(&idle); err != nil {
+		return fmt.Errorf("set keepalive idle: %s", err)
 	}
-	{ /* TCP recv/send buffer size */
-		var ss tcpip.TCPSendBufferSizeRangeOption
-		if err := s.TransportProtocolOption(header.TCPProtocolNumber, &ss); err == nil {
-			ep.SocketOptions().SetReceiveBufferSize(int64(ss.Default), false)
-		}
 
-		var rs tcpip.TCPReceiveBufferSizeRangeOption
-		if err := s.TransportProtocolOption(header.TCPProtocolNumber, &rs); err == nil {
-			ep.SocketOptions().SetReceiveBufferSize(int64(rs.Default), false)
-		}
+	interval := tcpip.KeepaliveIntervalOption(tcpKeepaliveInterval)
+	if err := ep.SetSockOpt(&interval); err != nil {
+		return fmt.Errorf("set keepalive interval: %s", err)
+	}
+
+	if err := ep.SetSockOptInt(tcpip.KeepaliveCountOption, tcpKeepaliveCount); err != nil {
+		return fmt.Errorf("set keepalive count: %s", err)
 	}
 	return nil
 }

listener/tun/ipstack/gvisor/udp.go

@@ -6,7 +6,6 @@ import (
 	"github.com/Dreamacro/clash/common/pool"
 	"github.com/Dreamacro/clash/listener/tun/ipstack/gvisor/adapter"
 	"github.com/Dreamacro/clash/listener/tun/ipstack/gvisor/option"
-	"github.com/Dreamacro/clash/log"
 
 	"gvisor.dev/gvisor/pkg/tcpip/adapters/gonet"
 	"gvisor.dev/gvisor/pkg/tcpip/stack"
@@ -17,19 +16,16 @@ import (
 func withUDPHandler(handle adapter.UDPHandleFunc) option.Option {
 	return func(s *stack.Stack) error {
 		udpForwarder := udp.NewForwarder(s, func(r *udp.ForwarderRequest) {
-			var (
-				wq waiter.Queue
-				id = r.ID()
-			)
+			var wq waiter.Queue
 			ep, err := r.CreateEndpoint(&wq)
 			if err != nil {
-				log.Warnln("[STACK] udp forwarder request %s:%d->%s:%d: %s", id.RemoteAddress, id.RemotePort, id.LocalAddress, id.LocalPort, err)
+				// TODO: handler errors in the future.
 				return
 			}
 
 			conn := &udpConn{
 				UDPConn: gonet.NewUDPConn(s, &wq, ep),
-				id:      id,
+				id:      r.ID(),
 			}
 			handle(conn)
 		})
@@ -58,7 +54,7 @@ func (c *packet) Data() []byte {
 }
 
 // WriteBack write UDP packet with source(ip, port) = `addr`
-func (c *packet) WriteBack(b []byte, _ net.Addr) (n int, err error) {
+func (c *packet) WriteBack(b []byte, addr net.Addr) (n int, err error) {
 	return c.pc.WriteTo(b, c.rAddr)
 }
 
@@ -68,5 +64,5 @@ func (c *packet) LocalAddr() net.Addr {
 }
 
 func (c *packet) Drop() {
-	_ = pool.Put(c.payload)
+	pool.Put(c.payload)
 }

listener/tun/ipstack/system/stack.go

@@ -17,7 +17,6 @@ import (
 	"github.com/Dreamacro/clash/listener/tun/ipstack"
 	D "github.com/Dreamacro/clash/listener/tun/ipstack/commons"
 	"github.com/Dreamacro/clash/listener/tun/ipstack/system/mars"
-	"github.com/Dreamacro/clash/listener/tun/ipstack/system/mars/nat"
 	"github.com/Dreamacro/clash/log"
 	"github.com/Dreamacro/clash/transport/socks5"
 )
@@ -25,20 +24,14 @@ import (
 type sysStack struct {
 	stack  io.Closer
 	device device.Device
-
-	closed bool
 }
 
-func (s *sysStack) Close() error {
-	defer func() {
-		if s.device != nil {
-			_ = s.device.Close()
-		}
-	}()
-
-	s.closed = true
+func (s sysStack) Close() error {
 	if s.stack != nil {
-		return s.stack.Close()
+		_ = s.stack.Close()
+	}
+	if s.device != nil {
+		_ = s.device.Close()
 	}
 	return nil
 }
@@ -56,25 +49,17 @@ func New(device device.Device, dnsHijack []netip.AddrPort, tunAddress netip.Pref
 		return nil, err
 	}
 
-	ipStack := &sysStack{stack: stack, device: device}
-
 	dnsAddr := dnsHijack
 
 	tcp := func() {
-		defer func(tcp *nat.TCP) {
-			_ = tcp.Close()
-		}(stack.TCP())
-
+		defer stack.TCP().Close()
 		defer log.Debugln("TCP: closed")
 
-		for !ipStack.closed {
-			if err = stack.TCP().SetDeadline(time.Time{}); err != nil {
-				break
-			}
-
+		for stack.TCP().SetDeadline(time.Time{}) == nil {
 			conn, err := stack.TCP().Accept()
 			if err != nil {
 				log.Debugln("Accept connection: %v", err)
+
 				continue
 			}
 
@@ -88,19 +73,13 @@ func New(device device.Device, dnsHijack []netip.AddrPort, tunAddress netip.Pref
 				go func() {
 					log.Debugln("[TUN] hijack dns tcp: %s", rAddrPort.String())
 
-					defer func(conn net.Conn) {
-						_ = conn.Close()
-					}(conn)
+					defer conn.Close()
 
 					buf := pool.Get(pool.UDPBufferSize)
-					defer func(buf []byte) {
-						_ = pool.Put(buf)
-					}(buf)
+					defer pool.Put(buf)
 
 					for {
-						if err = conn.SetReadDeadline(time.Now().Add(C.DefaultTCPTimeout)); err != nil {
-							break
-						}
+						conn.SetReadDeadline(time.Now().Add(C.DefaultTCPTimeout))
 
 						length := uint16(0)
 						if err := binary.Read(conn, binary.BigEndian, &length); err != nil {
@@ -144,13 +123,10 @@ func New(device device.Device, dnsHijack []netip.AddrPort, tunAddress netip.Pref
 	}
 
 	udp := func() {
-		defer func(udp *nat.UDP) {
-			_ = udp.Close()
-		}(stack.UDP())
-
+		defer stack.UDP().Close()
 		defer log.Debugln("UDP: closed")
 
-		for !ipStack.closed {
+		for {
 			buf := pool.Get(pool.UDPBufferSize)
 
 			n, lRAddr, rRAddr, err := stack.UDP().ReadFrom(buf)
@@ -167,16 +143,15 @@ func New(device device.Device, dnsHijack []netip.AddrPort, tunAddress netip.Pref
 
 			if D.ShouldHijackDns(dnsAddr, rAddrPort) {
 				go func() {
+					defer pool.Put(buf)
+
 					msg, err := D.RelayDnsPacket(raw)
 					if err != nil {
-						_ = pool.Put(buf)
 						return
 					}
 
 					_, _ = stack.UDP().WriteTo(msg, rAddr, lAddr)
 
-					_ = pool.Put(buf)
-
 					log.Debugln("[TUN] hijack dns udp: %s", rAddrPort.String())
 				}()
 
@@ -190,7 +165,7 @@ func New(device device.Device, dnsHijack []netip.AddrPort, tunAddress netip.Pref
 					return stack.UDP().WriteTo(b, rAddr, lAddr)
 				},
 				drop: func() {
-					_ = pool.Put(buf)
+					pool.Put(buf)
 				},
 			}
 
@@ -211,5 +186,5 @@ func New(device device.Device, dnsHijack []netip.AddrPort, tunAddress netip.Pref
 		go udp()
 	}
 
-	return ipStack, nil
+	return &sysStack{stack: stack, device: device}, nil
 }

listener/tun/tun_adapter.go

@@ -53,6 +53,7 @@ func New(tunConf *config.Tun, dnsConf *config.DNS, tcpIn chan<- C.ConnContext, u
 	process.AppendLocalIPs(tunAddress.Masked().Addr().Next().AsSlice())
 
 	// open tun device
+
 	tunDevice, err = parseDevice(devName, uint32(mtu))
 	if err != nil {
 		return nil, fmt.Errorf("can't open tun: %w", err)
@@ -111,7 +112,7 @@ func New(tunConf *config.Tun, dnsConf *config.DNS, tcpIn chan<- C.ConnContext, u
 func generateDeviceName() string {
 	switch runtime.GOOS {
 	case "darwin":
-		return tun.Driver + "://utun"
+		return tun.Driver + "://Meta"
 	case "windows":
 		return tun.Driver + "://Meta"
 	default:
@@ -148,10 +149,9 @@ 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":
 		// _, _ = cmd.ExecCmd("sysctl -w net.ipv4.ip_forward=1")
 		// _, _ = cmd.ExecCmd("sysctl -w net.ipv4.conf.all.forwarding = 1")

rule/common/network_type.go

@@ -13,23 +13,22 @@ type NetworkType struct {
 }
 
 func NewNetworkType(network, adapter string) (*NetworkType, error) {
-	ntType := NetworkType{
-		Base: &Base{},
-	}
-
-	ntType.adapter = adapter
+	var netType C.NetWork
 	switch strings.ToUpper(network) {
 	case "TCP":
-		ntType.network = C.TCP
+		netType = C.TCP
 		break
 	case "UDP":
-		ntType.network = C.UDP
+		netType = C.UDP
 		break
 	default:
 		return nil, fmt.Errorf("unsupported network type, only TCP/UDP")
 	}
-
-	return &ntType, nil
+	return &NetworkType{
+		Base:    &Base{},
+		network: netType,
+		adapter: adapter,
+	}, nil
 }
 
 func (n *NetworkType) RuleType() C.RuleType {

rule/common/port.go

@@ -5,16 +5,20 @@ import (
 	"strconv"
 	"strings"
 
-	"github.com/Dreamacro/clash/common/utils"
 	C "github.com/Dreamacro/clash/constant"
 )
 
+type portReal struct {
+	portStart int
+	portEnd   int
+}
+
 type Port struct {
 	*Base
 	adapter  string
 	port     string
 	isSource bool
-	portList []utils.Range[uint16]
+	portList []portReal
 }
 
 func (p *Port) RuleType() C.RuleType {
@@ -41,13 +45,17 @@ func (p *Port) Payload() string {
 
 func (p *Port) matchPortReal(portRef string) bool {
 	port, _ := strconv.Atoi(portRef)
-
+	var rs bool
 	for _, pr := range p.portList {
-		if pr.Contains(uint16(port)) {
+		if pr.portEnd == -1 {
+			rs = port == pr.portStart
+		} else {
+			rs = port >= pr.portStart && port <= pr.portEnd
+		}
+		if rs {
 			return true
 		}
 	}
-
 	return false
 }
 
@@ -57,7 +65,7 @@ func NewPort(port string, adapter string, isSource bool) (*Port, error) {
 		return nil, fmt.Errorf("%s, too many ports to use, maximum support 28 ports", errPayload.Error())
 	}
 
-	var portRange []utils.Range[uint16]
+	var portList []portReal
 	for _, p := range ports {
 		if p == "" {
 			continue
@@ -76,18 +84,23 @@ func NewPort(port string, adapter string, isSource bool) (*Port, error) {
 
 		switch subPortsLen {
 		case 1:
-			portRange = append(portRange, *utils.NewRange(uint16(portStart), uint16(portStart)))
+			portList = append(portList, portReal{int(portStart), -1})
 		case 2:
 			portEnd, err := strconv.ParseUint(strings.Trim(subPorts[1], "[ ]"), 10, 16)
 			if err != nil {
 				return nil, errPayload
 			}
 
-			portRange = append(portRange, *utils.NewRange(uint16(portStart), uint16(portEnd)))
+			shouldReverse := portStart > portEnd
+			if shouldReverse {
+				portList = append(portList, portReal{int(portEnd), int(portStart)})
+			} else {
+				portList = append(portList, portReal{int(portStart), int(portEnd)})
+			}
 		}
 	}
 
-	if len(portRange) == 0 {
+	if len(portList) == 0 {
 		return nil, errPayload
 	}
 
@@ -96,7 +109,7 @@ func NewPort(port string, adapter string, isSource bool) (*Port, error) {
 		adapter:  adapter,
 		port:     port,
 		isSource: isSource,
-		portList: portRange,
+		portList: portList,
 	}, nil
 }
 

rule/logic/common.go

@@ -51,10 +51,6 @@ func containRange(r Range, preStart, preEnd int) bool {
 
 func payloadToRule(subPayload string) (C.Rule, error) {
 	splitStr := strings.SplitN(subPayload, ",", 2)
-	if len(splitStr) < 2 {
-		return nil, fmt.Errorf("[%s] format is error", subPayload)
-	}
-
 	tp := splitStr[0]
 	payload := splitStr[1]
 	if tp == "NOT" || tp == "OR" || tp == "AND" {
@@ -90,9 +86,9 @@ func parseRule(tp, payload string, params []string) (C.Rule, error) {
 		parsed, parseErr = RC.NewGEOIP(payload, "", noResolve)
 	case "IP-CIDR", "IP-CIDR6":
 		noResolve := RC.HasNoResolve(params)
-		parsed, parseErr = RC.NewIPCIDR(payload, "", RC.WithIPCIDRNoResolve(noResolve))
+		parsed, parseErr = RC.NewIPCIDR(payload, "", nil, RC.WithIPCIDRNoResolve(noResolve))
 	case "SRC-IP-CIDR":
-		parsed, parseErr = RC.NewIPCIDR(payload, "", RC.WithIPCIDRSourceIP(true), RC.WithIPCIDRNoResolve(true))
+		parsed, parseErr = RC.NewIPCIDR(payload, "", nil, RC.WithIPCIDRSourceIP(true), RC.WithIPCIDRNoResolve(true))
 	case "SRC-PORT":
 		parsed, parseErr = RC.NewPort(payload, "", true)
 	case "DST-PORT":
@@ -112,7 +108,7 @@ func parseRule(tp, payload string, params []string) (C.Rule, error) {
 	case "NETWORK":
 		parsed, parseErr = RC.NewNetworkType(payload, "")
 	default:
-		parsed, parseErr = nil, fmt.Errorf("unsupported rule type %s", tp)
+		parseErr = fmt.Errorf("unsupported rule type %s", tp)
 	}
 
 	if parseErr != nil {
@@ -150,10 +146,6 @@ func format(payload string) ([]Range, error) {
 			num++
 			stack.Push(sr)
 		} else if c == ')' {
-			if stack.Len() == 0 {
-				return nil, fmt.Errorf("missing '('")
-			}
-
 			sr := stack.Pop().(Range)
 			sr.end = i
 			subRanges = append(subRanges, sr)

rule/logic/logic_test.go

@@ -1,49 +0,0 @@
-package logic
-
-import (
-	"github.com/Dreamacro/clash/constant"
-	"github.com/stretchr/testify/assert"
-	"testing"
-)
-
-func TestAND(t *testing.T) {
-	and, err := NewAND("((DOMAIN,baidu.com),(NETWORK,TCP),(DST-PORT,10001-65535))", "DIRECT")
-	assert.Equal(t, nil, err)
-	assert.Equal(t, "DIRECT", and.adapter)
-	assert.Equal(t, false, and.ShouldResolveIP())
-	assert.Equal(t, true, and.Match(&constant.Metadata{
-		Host:     "baidu.com",
-		AddrType: constant.AtypDomainName,
-		NetWork:  constant.TCP,
-		DstPort:  "20000",
-	}))
-
-	and, err = NewAND("(DOMAIN,baidu.com),(NETWORK,TCP),(DST-PORT,10001-65535))", "DIRECT")
-	assert.NotEqual(t, nil, err)
-
-	and, err = NewAND("((AND,(DOMAIN,baidu.com),(NETWORK,TCP)),(NETWORK,TCP),(DST-PORT,10001-65535))", "DIRECT")
-	assert.Equal(t, nil, err)
-}
-
-func TestNOT(t *testing.T) {
-	not, err := NewNOT("((DST-PORT,6000-6500))", "REJECT")
-	assert.Equal(t, nil, err)
-	assert.Equal(t, false, not.Match(&constant.Metadata{
-		DstPort: "6100",
-	}))
-
-	_, err = NewNOT("((DST-PORT,5600-6666),(DOMAIN,baidu.com))", "DIRECT")
-	assert.NotEqual(t, nil, err)
-
-	_, err = NewNOT("(())", "DIRECT")
-	assert.NotEqual(t, nil, err)
-}
-
-func TestOR(t *testing.T) {
-	or, err := NewOR("((DOMAIN,baidu.com),(NETWORK,TCP),(DST-PORT,10001-65535))", "DIRECT")
-	assert.Equal(t, nil, err)
-	assert.Equal(t, true, or.Match(&constant.Metadata{
-		NetWork: constant.TCP,
-	}))
-	assert.Equal(t, false, or.ShouldResolveIP())
-}

rule/logic/not.go

@@ -24,14 +24,11 @@ func NewNOT(payload string, adapter string) (*NOT, error) {
 		return nil, err
 	}
 
-	if len(rule) > 1 {
-		return nil, fmt.Errorf("not rule can contain at most one rule")
-	}
-
-	if len(rule) > 0 {
-		not.rule = rule[0]
+	if len(rule) < 1 {
+		return nil, fmt.Errorf("the parsed rule is empty")
 	}
 
+	not.rule = rule[0]
 	return not, nil
 }
 
@@ -40,7 +37,7 @@ func (not *NOT) RuleType() C.RuleType {
 }
 
 func (not *NOT) Match(metadata *C.Metadata) bool {
-	return not.rule == nil || !not.rule.Match(metadata)
+	return !not.rule.Match(metadata)
 }
 
 func (not *NOT) Adapter() string {
@@ -52,5 +49,5 @@ func (not *NOT) Payload() string {
 }
 
 func (not *NOT) ShouldResolveIP() bool {
-	return not.rule != nil && not.rule.ShouldResolveIP()
+	return not.rule.ShouldResolveIP()
 }

rule/provider/domain_strategy.go

@@ -10,7 +10,7 @@ import (
 type domainStrategy struct {
 	shouldResolveIP bool
 	count           int
-	domainRules     *trie.DomainTrie[bool]
+	domainRules     *trie.DomainTrie
 }
 
 func (d *domainStrategy) Match(metadata *C.Metadata) bool {
@@ -26,9 +26,9 @@ func (d *domainStrategy) ShouldResolveIP() bool {
 }
 
 func (d *domainStrategy) OnUpdate(rules []string) {
-	domainTrie := trie.New[bool]()
+	domainTrie := trie.New()
 	for _, rule := range rules {
-		err := domainTrie.Insert(rule, true)
+		err := domainTrie.Insert(rule, "")
 		if err != nil {
 			log.Warnln("invalid domain:[%s]", rule)
 		} else {

transport/trojan/trojan.go

@@ -148,7 +148,7 @@ func (t *Trojan) PresetXTLSConn(conn net.Conn) (net.Conn, error) {
 				xtlsConn.DirectMode = true
 			}
 		} else {
-			return conn, fmt.Errorf("failed to use %s, maybe \"security\" is not \"xtls\"", t.option.Flow)
+			return nil, fmt.Errorf("failed to use %s, maybe \"security\" is not \"xtls\"", t.option.Flow)
 		}
 	}
 

tunnel/tunnel.go

@@ -14,7 +14,6 @@ import (
 	"github.com/Dreamacro/clash/component/nat"
 	P "github.com/Dreamacro/clash/component/process"
 	"github.com/Dreamacro/clash/component/resolver"
-	"github.com/Dreamacro/clash/component/sniffer"
 	C "github.com/Dreamacro/clash/constant"
 	"github.com/Dreamacro/clash/constant/provider"
 	icontext "github.com/Dreamacro/clash/context"
@@ -37,8 +36,6 @@ var (
 
 	// default timeout for UDP session
 	udpTimeout = 60 * time.Second
-
-	snifferDispatcher *sniffer.SnifferDispatcher
 )
 
 func init() {
@@ -91,12 +88,6 @@ func UpdateProxies(newProxies map[string]C.Proxy, newProviders map[string]provid
 	configMux.Unlock()
 }
 
-func UpdateSniffer(dispatcher *sniffer.SnifferDispatcher) {
-	configMux.Lock()
-	sniffer.Dispatcher = *dispatcher
-	configMux.Unlock()
-}
-
 // Mode return current mode
 func Mode() TunnelMode {
 	return mode
@@ -158,7 +149,7 @@ func preHandleMetadata(metadata *C.Metadata) error {
 				metadata.DNSMode = C.DNSFakeIP
 			} else if node := resolver.DefaultHosts.Search(host); node != nil {
 				// redir-host should lookup the hosts
-				metadata.DstIP = node.Data.AsSlice()
+				metadata.DstIP = node.Data.(net.IP)
 			}
 		} else if resolver.IsFakeIP(metadata.DstIP) {
 			return fmt.Errorf("fake DNS record %s missing", metadata.DstIP)
@@ -181,7 +172,7 @@ func preHandleMetadata(metadata *C.Metadata) error {
 	return nil
 }
 
-func resolveMetadata(_ C.PlainContext, metadata *C.Metadata) (proxy C.Proxy, rule C.Rule, err error) {
+func resolveMetadata(ctx C.PlainContext, metadata *C.Metadata) (proxy C.Proxy, rule C.Rule, err error) {
 	switch mode {
 	case Direct:
 		proxy = proxies["DIRECT"]
@@ -217,7 +208,7 @@ func handleUDPConn(packet *inbound.PacketAdapter) {
 	handle := func() bool {
 		pc := natTable.Get(key)
 		if pc != nil {
-			_ = handleUDPToRemote(packet, pc, metadata)
+			handleUDPToRemote(packet, pc, metadata)
 			return true
 		}
 		return false
@@ -290,9 +281,7 @@ func handleUDPConn(packet *inbound.PacketAdapter) {
 }
 
 func handleTCPConn(connCtx C.ConnContext) {
-	defer func(conn net.Conn) {
-		_ = conn.Close()
-	}(connCtx.Conn())
+	defer connCtx.Conn().Close()
 
 	metadata := connCtx.Metadata()
 	if !metadata.Valid() {
@@ -305,10 +294,6 @@ func handleTCPConn(connCtx C.ConnContext) {
 		return
 	}
 
-	if sniffer.Dispatcher.Enable() {
-		sniffer.Dispatcher.TCPSniff(connCtx.Conn(), metadata)
-	}
-
 	proxy, rule, err := resolveMetadata(connCtx, metadata)
 	if err != nil {
 		log.Warnln("[Metadata] parse failed: %s", err.Error())
@@ -327,9 +312,7 @@ func handleTCPConn(connCtx C.ConnContext) {
 		return
 	}
 	remoteConn = statistic.NewTCPTracker(remoteConn, statistic.DefaultManager, metadata, rule)
-	defer func(remoteConn C.Conn) {
-		_ = remoteConn.Close()
-	}(remoteConn)
+	defer remoteConn.Close()
 
 	switch true {
 	case rule != nil:
@@ -362,7 +345,8 @@ func match(metadata *C.Metadata) (C.Proxy, C.Rule, error) {
 	var resolved bool
 
 	if node := resolver.DefaultHosts.Search(metadata.Host); node != nil {
-		metadata.DstIP = node.Data.AsSlice()
+		ip := node.Data.(net.IP)
+		metadata.DstIP = ip
 		resolved = true
 	}