feat: better config for sniffer

component/sniffer/base_sniffer.go

@@ -0,0 +1,52 @@
+package sniffer
+
+import (
+	"errors"
+
+	"github.com/Dreamacro/clash/common/utils"
+	"github.com/Dreamacro/clash/constant"
+	"github.com/Dreamacro/clash/constant/sniffer"
+)
+
+type SnifferConfig struct {
+	Ports []utils.Range[uint16]
+}
+
+type BaseSniffer struct {
+	ports              []utils.Range[uint16]
+	supportNetworkType constant.NetWork
+}
+
+// Protocol implements sniffer.Sniffer
+func (*BaseSniffer) Protocol() string {
+	return "unknown"
+}
+
+// SniffTCP implements sniffer.Sniffer
+func (*BaseSniffer) SniffTCP(bytes []byte) (string, error) {
+	return "", errors.New("TODO")
+}
+
+// SupportNetwork implements sniffer.Sniffer
+func (bs *BaseSniffer) SupportNetwork() constant.NetWork {
+	return bs.supportNetworkType
+}
+
+// SupportPort implements sniffer.Sniffer
+func (bs *BaseSniffer) SupportPort(port uint16) bool {
+	for _, portRange := range bs.ports {
+		if portRange.Contains(port) {
+			return true
+		}
+	}
+	return false
+}
+
+func NewBaseSniffer(ports []utils.Range[uint16], networkType constant.NetWork) *BaseSniffer {
+	return &BaseSniffer{
+		ports:              ports,
+		supportNetworkType: networkType,
+	}
+}
+
+var _ sniffer.Sniffer = (*BaseSniffer)(nil)

component/sniffer/dispatcher.go

@@ -11,7 +11,6 @@ import (
 
 	"github.com/Dreamacro/clash/common/cache"
 	N "github.com/Dreamacro/clash/common/net"
-	"github.com/Dreamacro/clash/common/utils"
 	"github.com/Dreamacro/clash/component/trie"
 	C "github.com/Dreamacro/clash/constant"
 	"github.com/Dreamacro/clash/constant/sniffer"
@@ -33,7 +32,6 @@ type SnifferDispatcher struct {
 
 	forceDomain *trie.DomainTrie[struct{}]
 	skipSNI     *trie.DomainTrie[struct{}]
-	portRanges  *[]utils.Range[uint16]
 	skipList    *cache.LruCache[string, uint8]
 	rwMux       sync.RWMutex
 
@@ -55,12 +53,14 @@ func (sd *SnifferDispatcher) TCPSniff(conn net.Conn, metadata *C.Metadata) {
 		}
 
 		inWhitelist := false
-		for _, portRange := range *sd.portRanges {
+		for _, sniffer := range sd.sniffers {
-			if portRange.Contains(uint16(port)) {
+			if sniffer.SupportNetwork() == C.TCP || sniffer.SupportNetwork() == C.ALLNet {
-				inWhitelist = true
+				inWhitelist = sniffer.SupportPort(uint16(port))
+				if inWhitelist {
 					break
 				}
 			}
+		}
 
 		if !inWhitelist {
 			return
@@ -182,21 +182,20 @@ func NewCloseSnifferDispatcher() (*SnifferDispatcher, error) {
 	return &dispatcher, nil
 }
 
-func NewSnifferDispatcher(needSniffer []sniffer.Type, forceDomain *trie.DomainTrie[struct{}],
+func NewSnifferDispatcher(snifferConfig map[sniffer.Type]SnifferConfig, forceDomain *trie.DomainTrie[struct{}],
-	skipSNI *trie.DomainTrie[struct{}], ports *[]utils.Range[uint16],
+	skipSNI *trie.DomainTrie[struct{}],
 	forceDnsMapping bool, parsePureIp bool) (*SnifferDispatcher, error) {
 	dispatcher := SnifferDispatcher{
 		enable:          true,
 		forceDomain:     forceDomain,
 		skipSNI:         skipSNI,
-		portRanges:      ports,
 		skipList:        cache.New[string, uint8](cache.WithSize[string, uint8](128), cache.WithAge[string, uint8](600)),
 		forceDnsMapping: forceDnsMapping,
 		parsePureIp:     parsePureIp,
 	}
 
-	for _, snifferName := range needSniffer {
+	for snifferName, config := range snifferConfig {
-		s, err := NewSniffer(snifferName)
+		s, err := NewSniffer(snifferName, config)
 		if err != nil {
 			log.Errorln("Sniffer name[%s] is error", snifferName)
 			return &SnifferDispatcher{enable: false}, err
@@ -208,12 +207,12 @@ func NewSnifferDispatcher(needSniffer []sniffer.Type, forceDomain *trie.DomainTr
 	return &dispatcher, nil
 }
 
-func NewSniffer(name sniffer.Type) (sniffer.Sniffer, error) {
+func NewSniffer(name sniffer.Type, snifferConfig SnifferConfig) (sniffer.Sniffer, error) {
 	switch name {
 	case sniffer.TLS:
-		return &TLSSniffer{}, nil
+		return NewTLSSniffer(snifferConfig)
 	case sniffer.HTTP:
-		return &HTTPSniffer{}, nil
+		return NewHTTPSniffer(snifferConfig)
 	default:
 		return nil, ErrorUnsupportedSniffer
 	}

component/sniffer/http_sniffer.go

@@ -7,7 +7,9 @@ import (
 	"net"
 	"strings"
 
+	"github.com/Dreamacro/clash/common/utils"
 	C "github.com/Dreamacro/clash/constant"
+	"github.com/Dreamacro/clash/constant/sniffer"
 )
 
 var (
@@ -24,10 +26,25 @@ const (
 )
 
 type HTTPSniffer struct {
+	*BaseSniffer
 	version version
 	host    string
 }
 
+var _ sniffer.Sniffer = (*HTTPSniffer)(nil)
+
+func NewHTTPSniffer(snifferConfig SnifferConfig) (*HTTPSniffer, error) {
+	ports := make([]utils.Range[uint16], 0)
+	if len(snifferConfig.Ports) == 0 {
+		ports = append(ports, *utils.NewRange[uint16](80, 80))
+	} else {
+		ports = append(ports, snifferConfig.Ports...)
+	}
+	return &HTTPSniffer{
+		BaseSniffer: NewBaseSniffer(ports, C.TCP),
+	}, nil
+}
+
 func (http *HTTPSniffer) Protocol() string {
 	switch http.version {
 	case HTTP1:

component/sniffer/tls_sniffer.go

@@ -5,7 +5,9 @@ import (
 	"errors"
 	"strings"
 
+	"github.com/Dreamacro/clash/common/utils"
 	C "github.com/Dreamacro/clash/constant"
+	"github.com/Dreamacro/clash/constant/sniffer"
 )
 
 var (
@@ -13,7 +15,22 @@ var (
 	errNotClientHello = errors.New("not client hello")
 )
 
+var _ sniffer.Sniffer = (*TLSSniffer)(nil)
+
 type TLSSniffer struct {
+	*BaseSniffer
+}
+
+func NewTLSSniffer(snifferConfig SnifferConfig) (*TLSSniffer, error) {
+	ports := make([]utils.Range[uint16], 0)
+	if len(snifferConfig.Ports) == 0 {
+		ports = append(ports, *utils.NewRange[uint16](443, 443))
+	} else {
+		ports = append(ports, snifferConfig.Ports...)
+	}
+	return &TLSSniffer{
+		BaseSniffer: NewBaseSniffer(ports, C.TCP),
+	}, nil
 }
 
 func (tls *TLSSniffer) Protocol() string {

config/config.go

@@ -14,6 +14,7 @@ import (
 	"time"
 
 	P "github.com/Dreamacro/clash/component/process"
+	SNIFF "github.com/Dreamacro/clash/component/sniffer"
 
 	"github.com/Dreamacro/clash/adapter"
 	"github.com/Dreamacro/clash/adapter/outbound"
@@ -134,11 +135,10 @@ type IPTables struct {
 
 type Sniffer struct {
 	Enable          bool
-	Sniffers        []snifferTypes.Type
+	Sniffers        map[snifferTypes.Type]SNIFF.SnifferConfig
 	Reverses        *trie.DomainTrie[struct{}]
 	ForceDomain     *trie.DomainTrie[struct{}]
 	SkipDomain      *trie.DomainTrie[struct{}]
-	Ports           *[]utils.Range[uint16]
 	ForceDnsMapping bool
 	ParsePureIp     bool
 }
@@ -294,6 +294,11 @@ type RawSniffer struct {
 	Ports           []string                     `yaml:"port-whitelist" json:"port-whitelist"`
 	ForceDnsMapping bool                         `yaml:"force-dns-mapping" json:"force-dns-mapping"`
 	ParsePureIp     bool                         `yaml:"parse-pure-ip" json:"parse-pure-ip"`
+	Sniff           map[string]RawSniffingConfig `yaml:"sniff" json:"sniff"`
+}
+
+type RawSniffingConfig struct {
+	Ports []string `yaml:"ports" json:"ports"`
 }
 
 // EBpf config
@@ -1187,44 +1192,44 @@ func parseSniffer(snifferRaw RawSniffer) (*Sniffer, error) {
 		ForceDnsMapping: snifferRaw.ForceDnsMapping,
 		ParsePureIp:     snifferRaw.ParsePureIp,
 	}
+	loadSniffer := make(map[snifferTypes.Type]SNIFF.SnifferConfig)
 
-	var ports []utils.Range[uint16]
+	if len(snifferRaw.Sniff) != 0 {
-	if len(snifferRaw.Ports) == 0 {
+		for sniffType, sniffConfig := range snifferRaw.Sniff {
-		ports = append(ports, *utils.NewRange[uint16](80, 80))
+			find := false
-		ports = append(ports, *utils.NewRange[uint16](443, 443))
+			ports, err := parsePortRange(sniffConfig.Ports)
-	} else {
-		for _, portRange := range snifferRaw.Ports {
-			portRaws := strings.Split(portRange, "-")
-			p, err := strconv.ParseUint(portRaws[0], 10, 16)
 			if err != nil {
-				return nil, fmt.Errorf("%s format error", portRange)
+				return nil, err
+			}
+			for _, snifferType := range snifferTypes.List {
+				if snifferType.String() == strings.ToUpper(sniffType) {
+					find = true
+					loadSniffer[snifferType] = SNIFF.SnifferConfig{
+						Ports: ports,
+					}
+				}
 			}
 
-			start := uint16(p)
+			if !find {
-			if len(portRaws) > 1 {
+				return nil, fmt.Errorf("not find the sniffer[%s]", sniffType)
-				p, err = strconv.ParseUint(portRaws[1], 10, 16)
+			}
-				if err != nil {
-					return nil, fmt.Errorf("%s format error", portRange)
 		}
-
-				end := uint16(p)
-				ports = append(ports, *utils.NewRange(start, end))
 	} else {
-				ports = append(ports, *utils.NewRange(start, start))
+		// Deprecated: Use Sniff instead
+		log.Warnln("Deprecated: Use Sniff instead")
+		globalPorts, err := parsePortRange(snifferRaw.Ports)
+		if err != nil {
+			return nil, err
 		}
-		}
-	}
-
-	sniffer.Ports = &ports
-
-	loadSniffer := make(map[snifferTypes.Type]struct{})
 
 		for _, snifferName := range snifferRaw.Sniffing {
 			find := false
 			for _, snifferType := range snifferTypes.List {
 				if snifferType.String() == strings.ToUpper(snifferName) {
 					find = true
-				loadSniffer[snifferType] = struct{}{}
+					loadSniffer[snifferType] = SNIFF.SnifferConfig{
+						Ports: globalPorts,
+					}
 				}
 			}
 
@@ -1232,10 +1237,9 @@ func parseSniffer(snifferRaw RawSniffer) (*Sniffer, error) {
 				return nil, fmt.Errorf("not find the sniffer[%s]", snifferName)
 			}
 		}
-
-	for st := range loadSniffer {
-		sniffer.Sniffers = append(sniffer.Sniffers, st)
 	}
+
+	sniffer.Sniffers = loadSniffer
 	sniffer.ForceDomain = trie.New[struct{}]()
 	for _, domain := range snifferRaw.ForceDomain {
 		err := sniffer.ForceDomain.Insert(domain, struct{}{})
@@ -1256,3 +1260,28 @@ func parseSniffer(snifferRaw RawSniffer) (*Sniffer, error) {
 
 	return sniffer, nil
 }
+
+func parsePortRange(portRanges []string) ([]utils.Range[uint16], error) {
+	ports := make([]utils.Range[uint16], 0)
+	for _, portRange := range portRanges {
+		portRaws := strings.Split(portRange, "-")
+		p, err := strconv.ParseUint(portRaws[0], 10, 16)
+		if err != nil {
+			return nil, fmt.Errorf("%s format error", portRange)
+		}
+
+		start := uint16(p)
+		if len(portRaws) > 1 {
+			p, err = strconv.ParseUint(portRaws[1], 10, 16)
+			if err != nil {
+				return nil, fmt.Errorf("%s format error", portRange)
+			}
+
+			end := uint16(p)
+			ports = append(ports, *utils.NewRange(start, end))
+		} else {
+			ports = append(ports, *utils.NewRange(start, start))
+		}
+	}
+	return ports, nil
+}

constant/sniffer/sniffer.go

@@ -6,6 +6,7 @@ type Sniffer interface {
 	SupportNetwork() constant.NetWork
 	SniffTCP(bytes []byte) (string, error)
 	Protocol() string
+	SupportPort(port uint16) bool
 }
 
 const (

hub/executor/executor.go

@@ -279,7 +279,7 @@ func updateTun(general *config.General) {
 func updateSniffer(sniffer *config.Sniffer) {
 	if sniffer.Enable {
 		dispatcher, err := SNI.NewSnifferDispatcher(
-			sniffer.Sniffers, sniffer.ForceDomain, sniffer.SkipDomain, sniffer.Ports,
+			sniffer.Sniffers, sniffer.ForceDomain, sniffer.SkipDomain,
 			sniffer.ForceDnsMapping, sniffer.ParsePureIp,
 		)
 		if err != nil {