fix: sing内核删除用户逻辑不正确BUG

core/hy2/config.go

@@ -299,7 +299,7 @@ func (n *Hysteria2node) getMasqHandler(tlsconfig *server.TLSConfig, conn net.Pac
 					req.Header.Set("X-Forwarded-For", clientIP)
 				}
 
-				if !c.Masquerade.Proxy.RewriteHost {
+				if c.Masquerade.Proxy.RewriteHost {
 					req.Host = req.URL.Host
 				}
 			},

core/sing/sing.go

@@ -29,7 +29,6 @@ type Sing struct {
 	hookServer *HookServer
 	router     adapter.Router
 	logFactory log.Factory
-	inbounds   map[string]adapter.Inbound
 }
 
 func init() {

core/sing/user.go

@@ -114,7 +114,7 @@ type UserDeleter interface {
 
 func (b *Sing) DelUsers(users []panel.UserInfo, tag string) error {
 	var del UserDeleter
-	if i, ok := b.inbounds[tag]; ok {
+	if i, found := b.box.Inbound().Get(tag); found {
 		switch i.Type() {
 		case "vmess":
 			del = i.(*vmess.Inbound)

core/xray/app/dispatcher/default.go

@@ -45,8 +45,14 @@ func (r *cachedReader) Cache(b *buf.Buffer) {
 	if !mb.IsEmpty() {
 		r.cache, _ = buf.MergeMulti(r.cache, mb)
 	}
-	b.Clear()
-	rawBytes := b.Extend(buf.Size)
+	cacheLen := r.cache.Len()
+	if cacheLen <= b.Cap() {
+		b.Clear()
+	} else {
+		b.Release()
+		*b = *buf.NewWithSize(cacheLen)
+	}
+	rawBytes := b.Extend(cacheLen)
 	n := r.cache.Copy(rawBytes)
 	b.Resize(0, int32(n))
 	r.Unlock()
@@ -106,7 +112,7 @@ func init() {
 	common.Must(common.RegisterConfig((*Config)(nil), func(ctx context.Context, config interface{}) (interface{}, error) {
 		d := new(DefaultDispatcher)
 		if err := core.RequireFeatures(ctx, func(om outbound.Manager, router routing.Router, pm policy.Manager, sm stats.Manager, dc dns.Client) error {
-			core.RequireFeatures(ctx, func(fdns dns.FakeDNSEngine) {
+			core.OptionalFeatures(ctx, func(fdns dns.FakeDNSEngine) {
 				d.fdns = fdns
 			})
 			return d.Init(config.(*Config), om, router, pm, sm, dc)