Revert "fix #322: add option general.find-process-mode, user can turn off findProcess feature in router"

component/process/find_process_mode.go

@@ -1,57 +0,0 @@
-package process
-
-import (
-	"encoding/json"
-	"errors"
-	"strings"
-)
-
-const (
-	FindProcessAlways = "always"
-	FindProcessStrict = "strict"
-	FindProcessOff    = "off"
-)
-
-var (
-	validModes = map[string]struct{}{
-		FindProcessAlways: {},
-		FindProcessOff:    {},
-		FindProcessStrict: {},
-	}
-)
-
-type FindProcessMode string
-
-func (m FindProcessMode) Always() bool {
-	return m == FindProcessAlways
-}
-
-func (m FindProcessMode) Off() bool {
-	return m == FindProcessOff
-}
-
-func (m *FindProcessMode) UnmarshalYAML(unmarshal func(any) error) error {
-	var tp string
-	if err := unmarshal(&tp); err != nil {
-		return err
-	}
-	return m.Set(tp)
-}
-
-func (m *FindProcessMode) UnmarshalJSON(data []byte) error {
-	var tp string
-	if err := json.Unmarshal(data, &tp); err != nil {
-		return err
-	}
-	return m.Set(tp)
-}
-
-func (m *FindProcessMode) Set(value string) error {
-	mode := strings.ToLower(value)
-	_, exist := validModes[mode]
-	if !exist {
-		return errors.New("invalid find process mode")
-	}
-	*m = FindProcessMode(mode)
-	return nil
-}

config/config.go

@@ -4,7 +4,6 @@ import (
 	"container/list"
 	"errors"
 	"fmt"
-	P "github.com/Dreamacro/clash/component/process"
 	"net"
 	"net/netip"
 	"net/url"
@@ -53,7 +52,6 @@ type General struct {
 	GeodataLoader string       `json:"geodata-loader"`
 	TCPConcurrent bool         `json:"tcp-concurrent"`
 	EnableProcess bool         `json:"enable-process"`
-	FindProcessMode P.FindProcessMode `json:"find-process-mode"`
 	Sniffing      bool         `json:"sniffing"`
 	EBpf          EBpf         `json:"-"`
 }
@@ -254,7 +252,6 @@ type RawConfig struct {
 	GeodataLoader         string       `yaml:"geodata-loader"`
 	TCPConcurrent         bool         `yaml:"tcp-concurrent" json:"tcp-concurrent"`
 	EnableProcess         bool         `yaml:"enable-process" json:"enable-process"`
-	FindProcessMode       P.FindProcessMode `yaml:"find-process-mode" json:"find-process-mode"`
 
 	Sniffer       RawSniffer                `yaml:"sniffer"`
 	ProxyProvider map[string]map[string]any `yaml:"proxy-providers"`
@@ -332,7 +329,6 @@ func UnmarshalRawConfig(buf []byte) (*RawConfig, error) {
 		ProxyGroup:     []map[string]any{},
 		TCPConcurrent:  false,
 		EnableProcess:  false,
-		FindProcessMode: P.FindProcessStrict,
 		Tun: RawTun{
 			Enable:              false,
 			Device:              "",
@@ -550,7 +546,6 @@ func parseGeneral(cfg *RawConfig) (*General, error) {
 		GeodataLoader: cfg.GeodataLoader,
 		TCPConcurrent: cfg.TCPConcurrent,
 		EnableProcess: cfg.EnableProcess,
-		FindProcessMode: cfg.FindProcessMode,
 		EBpf:          cfg.EBpf,
 	}, nil
 }

hub/executor/executor.go

@@ -309,7 +309,7 @@ func updateTunnels(tunnels []LC.Tunnel) {
 
 func updateGeneral(general *config.General, force bool) {
 	tunnel.SetMode(general.Mode)
-	tunnel.SetFindProcessMode(general.EnableProcess, general.FindProcessMode)
+	tunnel.SetAlwaysFindProcess(general.EnableProcess)
 	dialer.DisableIPv6 = !general.IPv6
 	if !dialer.DisableIPv6 {
 		log.Infoln("Use IPv6")

tunnel/tunnel.go

@@ -43,7 +43,7 @@ var (
 	// default timeout for UDP session
 	udpTimeout = 60 * time.Second
 
-	findProcessMode P.FindProcessMode
+	alwaysFindProcess = false
 
 	fakeIPRange netip.Prefix
 )
@@ -146,14 +146,9 @@ func SetMode(m TunnelMode) {
 	mode = m
 }
 
-// SetFindProcessMode replace SetAlwaysFindProcess
+// SetAlwaysFindProcess set always find process info, may be increase many memory
-// always find process info if legacyAlways = true or mode.Always() = true, may be increase many memory
+func SetAlwaysFindProcess(findProcess bool) {
-func SetFindProcessMode(legacyAlways bool, mode P.FindProcessMode) {
+	alwaysFindProcess = findProcess
-	if legacyAlways {
-		findProcessMode = P.FindProcessAlways
-	} else {
-		findProcessMode = mode
-	}
 }
 
 // processUDP starts a loop to handle udp packet
@@ -468,7 +463,7 @@ func match(metadata *C.Metadata) (C.Proxy, C.Rule, error) {
 			}()
 		}
 
-		if !findProcessMode.Off() && !processFound && (findProcessMode.Always() || rule.ShouldFindProcess()) {
+		if !processFound && (alwaysFindProcess || rule.ShouldFindProcess()) {
 			srcPort, err := strconv.ParseUint(metadata.SrcPort, 10, 16)
 			uid, path, err := P.FindProcessName(metadata.NetWork.String(), metadata.SrcIP, int(srcPort))
 			if err != nil {