feat: add skip-auth-prefixes

adapter/inbound/addition.go

@@ -38,9 +38,27 @@ func WithSpecialProxy(specialProxy string) Addition {
 
 func WithSrcAddr(addr net.Addr) Addition {
 	return func(metadata *C.Metadata) {
-		if ip, port, err := parseAddr(addr); err == nil {
+		if addrPort, err := parseAddr(addr); err == nil {
-			metadata.SrcIP = ip
+			metadata.SrcIP = addrPort.Addr()
-			metadata.SrcPort = port
+			metadata.SrcPort = addrPort.Port()
+		}
+	}
+}
+
+func WithDstAddr(addr net.Addr) Addition {
+	return func(metadata *C.Metadata) {
+		if addrPort, err := parseAddr(addr); err == nil {
+			metadata.DstIP = addrPort.Addr()
+			metadata.DstPort = addrPort.Port()
+		}
+	}
+}
+
+func WithInAddr(addr net.Addr) Addition {
+	return func(metadata *C.Metadata) {
+		if addrPort, err := parseAddr(addr); err == nil {
+			metadata.InIP = addrPort.Addr()
+			metadata.InPort = addrPort.Port()
 		}
 	}
 }

adapter/inbound/auth.go

@@ -0,0 +1,27 @@
+package inbound
+
+import (
+	"net"
+	"net/netip"
+)
+
+var skipAuthPrefixes []netip.Prefix
+
+func SetSkipAuthPrefixes(prefixes []netip.Prefix) {
+	skipAuthPrefixes = prefixes
+}
+
+func SkipAuthPrefixes() []netip.Prefix {
+	return skipAuthPrefixes
+}
+
+func SkipAuthRemoteAddr(addr net.Addr) bool {
+	if addrPort, err := parseAddr(addr); err == nil {
+		for _, prefix := range skipAuthPrefixes {
+			if prefix.Contains(addrPort.Addr()) {
+				return true
+			}
+		}
+	}
+	return false
+}

adapter/inbound/http.go

@@ -13,16 +13,9 @@ func NewHTTP(target socks5.Addr, source net.Addr, conn net.Conn, additions ...Ad
 	metadata := parseSocksAddr(target)
 	metadata.NetWork = C.TCP
 	metadata.Type = C.HTTP
+	additions = append(additions, WithSrcAddr(source), WithInAddr(conn.LocalAddr()))
 	for _, addition := range additions {
 		addition.Apply(metadata)
 	}
-	if ip, port, err := parseAddr(source); err == nil {
-		metadata.SrcIP = ip
-		metadata.SrcPort = port
-	}
-	if ip, port, err := parseAddr(conn.LocalAddr()); err == nil {
-		metadata.InIP = ip
-		metadata.InPort = port
-	}
 	return context.NewConnContext(conn, metadata)
 }

adapter/inbound/https.go

@@ -12,16 +12,9 @@ import (
 func NewHTTPS(request *http.Request, conn net.Conn, additions ...Addition) *context.ConnContext {
 	metadata := parseHTTPAddr(request)
 	metadata.Type = C.HTTPS
+	additions = append(additions, WithSrcAddr(conn.RemoteAddr()), WithInAddr(conn.LocalAddr()))
 	for _, addition := range additions {
 		addition.Apply(metadata)
 	}
-	if ip, port, err := parseAddr(conn.RemoteAddr()); err == nil {
-		metadata.SrcIP = ip
-		metadata.SrcPort = port
-	}
-	if ip, port, err := parseAddr(conn.LocalAddr()); err == nil {
-		metadata.InIP = ip
-		metadata.InPort = port
-	}
 	return context.NewConnContext(conn, metadata)
 }

adapter/inbound/packet.go

@@ -21,19 +21,13 @@ func NewPacket(target socks5.Addr, packet C.UDPPacket, source C.Type, additions
 	metadata := parseSocksAddr(target)
 	metadata.NetWork = C.UDP
 	metadata.Type = source
+	additions = append(additions, WithSrcAddr(packet.LocalAddr()))
+	if p, ok := packet.(C.UDPPacketInAddr); ok {
+		additions = append(additions, WithInAddr(p.InAddr()))
+	}
 	for _, addition := range additions {
 		addition.Apply(metadata)
 	}
-	if ip, port, err := parseAddr(packet.LocalAddr()); err == nil {
-		metadata.SrcIP = ip
-		metadata.SrcPort = port
-	}
-	if p, ok := packet.(C.UDPPacketInAddr); ok {
-		if ip, port, err := parseAddr(p.InAddr()); err == nil {
-			metadata.InIP = ip
-			metadata.InPort = port
-		}
-	}
 
 	return &PacketAdapter{
 		packet,

adapter/inbound/socket.go

@@ -15,19 +15,11 @@ func NewSocket(target socks5.Addr, conn net.Conn, source C.Type, additions ...Ad
 	metadata := parseSocksAddr(target)
 	metadata.NetWork = C.TCP
 	metadata.Type = source
+	additions = append(additions, WithSrcAddr(conn.RemoteAddr()), WithInAddr(conn.LocalAddr()))
 	for _, addition := range additions {
 		addition.Apply(metadata)
 	}
 
-	if ip, port, err := parseAddr(conn.RemoteAddr()); err == nil {
-		metadata.SrcIP = ip
-		metadata.SrcPort = port
-	}
-	if ip, port, err := parseAddr(conn.LocalAddr()); err == nil {
-		metadata.InIP = ip
-		metadata.InPort = port
-	}
-
 	return context.NewConnContext(conn, metadata)
 }
 

adapter/inbound/util.go

@@ -63,21 +63,25 @@ func parseHTTPAddr(request *http.Request) *C.Metadata {
 	return metadata
 }
 
-func parseAddr(addr net.Addr) (netip.Addr, uint16, error) {
+func parseAddr(addr net.Addr) (netip.AddrPort, error) {
 	// Filter when net.Addr interface is nil
 	if addr == nil {
-		return netip.Addr{}, 0, errors.New("nil addr")
+		return netip.AddrPort{}, errors.New("nil addr")
 	}
 	if rawAddr, ok := addr.(interface{ RawAddr() net.Addr }); ok {
-		ip, port, err := parseAddr(rawAddr.RawAddr())
+		if addrPort, err := parseAddr(rawAddr.RawAddr()); err == nil {
-		if err == nil {
+			return addrPort, nil
-			return ip, port, err
+		}
+	}
+	if addr, ok := addr.(interface{ AddrPort() netip.AddrPort }); ok {
+		if addrPort := addr.AddrPort(); addrPort.IsValid() {
+			return addrPort, nil
 		}
 	}
 	addrStr := addr.String()
 	host, port, err := net.SplitHostPort(addrStr)
 	if err != nil {
-		return netip.Addr{}, 0, err
+		return netip.AddrPort{}, err
 	}
 
 	var uint16Port uint16
@@ -86,5 +90,5 @@ func parseAddr(addr net.Addr) (netip.Addr, uint16, error) {
 	}
 
 	ip, err := netip.ParseAddr(host)
-	return ip, uint16Port, err
+	return netip.AddrPortFrom(ip, uint16Port), err
 }

config/config.go

@@ -76,6 +76,7 @@ type Inbound struct {
 	ShadowSocksConfig string         `json:"ss-config"`
 	VmessConfig       string         `json:"vmess-config"`
 	Authentication    []string       `json:"authentication"`
+	SkipAuthPrefixes  []netip.Prefix `json:"skip-auth-prefixes"`
 	AllowLan          bool           `json:"allow-lan"`
 	BindAddress       string         `json:"bind-address"`
 	InboundTfo        bool           `json:"inbound-tfo"`
@@ -271,6 +272,7 @@ type RawConfig struct {
 	InboundTfo              bool              `yaml:"inbound-tfo"`
 	InboundMPTCP            bool              `yaml:"inbound-mptcp"`
 	Authentication          []string          `yaml:"authentication"`
+	SkipAuthPrefixes        []netip.Prefix    `yaml:"skip-auth-prefixes"`
 	AllowLan                bool              `yaml:"allow-lan"`
 	BindAddress             string            `yaml:"bind-address"`
 	Mode                    T.TunnelMode      `yaml:"mode"`
@@ -620,6 +622,7 @@ func parseGeneral(cfg *RawConfig) (*General, error) {
 			ShadowSocksConfig: cfg.ShadowSocksConfig,
 			VmessConfig:       cfg.VmessConfig,
 			AllowLan:          cfg.AllowLan,
+			SkipAuthPrefixes:  cfg.SkipAuthPrefixes,
 			BindAddress:       cfg.BindAddress,
 			InboundTfo:        cfg.InboundTfo,
 			InboundMPTCP:      cfg.InboundMPTCP,

docs/config.yaml

@@ -8,6 +8,11 @@ mixed-port: 10801 # HTTP(S) 和 SOCKS 代理混合端口
 
 allow-lan: true # 允许局域网连接
 bind-address: "*" # 绑定 IP 地址，仅作用于 allow-lan 为 true，'*'表示所有地址
+authentication: # http,socks入口的验证用户名，密码
+  - "username:password"
+skip-auth-prefixes: # 设置跳过验证的IP段
+  - 127.0.0.1/8
+  - ::1/128
 
 #  find-process-mode has 3 values:always, strict, off
 #  - always, 开启，强制匹配所有进程

hub/executor/executor.go

@@ -140,6 +140,7 @@ func GetGeneral() *config.General {
 			ShadowSocksConfig: ports.ShadowSocksConfig,
 			VmessConfig:       ports.VmessConfig,
 			Authentication:    authenticator,
+			SkipAuthPrefixes:  inbound.SkipAuthPrefixes(),
 			AllowLan:          listener.AllowLan(),
 			BindAddress:       listener.BindAddress(),
 		},
@@ -164,6 +165,7 @@ func updateListeners(general *config.General, listeners map[string]C.InboundList
 
 	allowLan := general.AllowLan
 	listener.SetAllowLan(allowLan)
+	inbound.SetSkipAuthPrefixes(general.SkipAuthPrefixes)
 
 	bindAddress := general.BindAddress
 	listener.SetBindAddress(bindAddress)

hub/route/configs.go

@@ -2,9 +2,11 @@ package route
 
 import (
 	"net/http"
+	"net/netip"
 	"path/filepath"
 	"sync"
 
+	"github.com/Dreamacro/clash/adapter/inbound"
 	"github.com/Dreamacro/clash/component/dialer"
 	"github.com/Dreamacro/clash/component/resolver"
 	"github.com/Dreamacro/clash/config"
@@ -47,6 +49,7 @@ type configSchema struct {
 	TcptunConfig      *string            `json:"tcptun-config"`
 	UdptunConfig      *string            `json:"udptun-config"`
 	AllowLan          *bool              `json:"allow-lan"`
+	SkipAuthPrefixes  *[]netip.Prefix    `json:"skip-auth-prefixes"`
 	BindAddress       *string            `json:"bind-address"`
 	Mode              *tunnel.TunnelMode `json:"mode"`
 	LogLevel          *log.LogLevel      `json:"log-level"`
@@ -231,6 +234,10 @@ func patchConfigs(w http.ResponseWriter, r *http.Request) {
 		P.SetAllowLan(*general.AllowLan)
 	}
 
+	if general.SkipAuthPrefixes != nil {
+		inbound.SetSkipAuthPrefixes(*general.SkipAuthPrefixes)
+	}
+
 	if general.BindAddress != nil {
 		P.SetBindAddress(*general.BindAddress)
 	}

listener/http/proxy.go

@@ -100,6 +100,9 @@ func HandleConn(c net.Conn, tunnel C.Tunnel, cache *cache.LruCache[string, bool]
 
 func authenticate(request *http.Request, cache *cache.LruCache[string, bool]) *http.Response {
 	authenticator := authStore.Authenticator()
+	if inbound.SkipAuthRemoteAddr(N.NewCustomAddr("", request.RemoteAddr, nil)) {
+		authenticator = nil
+	}
 	if authenticator != nil {
 		credential := parseBasicProxyAuthorization(request)
 		if credential == "" {

listener/socks/tcp.go

@@ -86,7 +86,11 @@ func handleSocks(conn net.Conn, tunnel C.Tunnel, additions ...inbound.Addition)
 }
 
 func HandleSocks4(conn net.Conn, tunnel C.Tunnel, additions ...inbound.Addition) {
-	addr, _, err := socks4.ServerHandshake(conn, authStore.Authenticator())
+	authenticator := authStore.Authenticator()
+	if inbound.SkipAuthRemoteAddr(conn.RemoteAddr()) {
+		authenticator = nil
+	}
+	addr, _, err := socks4.ServerHandshake(conn, authenticator)
 	if err != nil {
 		conn.Close()
 		return
@@ -95,7 +99,11 @@ func HandleSocks4(conn net.Conn, tunnel C.Tunnel, additions ...inbound.Addition)
 }
 
 func HandleSocks5(conn net.Conn, tunnel C.Tunnel, additions ...inbound.Addition) {
-	target, command, err := socks5.ServerHandshake(conn, authStore.Authenticator())
+	authenticator := authStore.Authenticator()
+	if inbound.SkipAuthRemoteAddr(conn.RemoteAddr()) {
+		authenticator = nil
+	}
+	target, command, err := socks5.ServerHandshake(conn, authenticator)
 	if err != nil {
 		conn.Close()
 		return