Add more spoof method

Signed-off-by: macronut <4027187+macronut@users.noreply.github.com>

Author: macronut

adapter/inbound.go

@@ -6,6 +6,7 @@ import (
 	"net/netip"
 	"time"
 
+	"github.com/sagernet/sing-box/common/tlsspoof"
 	C "github.com/sagernet/sing-box/constant"
 	"github.com/sagernet/sing-box/log"
 	"github.com/sagernet/sing-box/option"
@@ -75,6 +76,8 @@ type InboundContext struct {
 	TLSFragment               bool
 	TLSFragmentFallbackDelay  time.Duration
 	TLSRecordFragment         bool
+	TLSSpoof                  string
+	TLSSpoofMethod            tlsspoof.Method
 
 	NetworkStrategy     *C.NetworkStrategy
 	NetworkType         []C.InterfaceType

common/tls/client.go

@@ -22,26 +22,20 @@ import (
 var errMissingServerName = E.New("missing server_name or insecure=true")
 
 func parseTLSSpoofOptions(serverName string, options option.OutboundTLSOptions) (string, tlsspoof.Method, error) {
-	if options.Spoof == "" {
-		if options.SpoofMethod != "" {
-			return "", 0, E.New("`spoof_method` requires `spoof`")
-		}
-		return "", 0, nil
+	spoof, method, err := tlsspoof.ParseOptions(options.Spoof, options.SpoofMethod)
+	if err != nil {
+		return "", 0, err
 	}
-	if !tlsspoof.PlatformSupported {
-		return "", 0, E.New("`spoof` is not supported on this platform")
+	if spoof == "" {
+		return "", 0, nil
 	}
 	if options.DisableSNI || serverName == "" || M.ParseAddr(serverName).IsValid() {
 		return "", 0, E.New("`spoof` requires TLS ClientHello with SNI")
 	}
-	if strings.EqualFold(options.Spoof, serverName) {
+	if strings.EqualFold(spoof, serverName) {
 		return "", 0, E.New("`spoof` must differ from `server_name`")
 	}
-	method, err := tlsspoof.ParseMethod(options.SpoofMethod)
-	if err != nil {
-		return "", 0, err
-	}
-	return options.Spoof, method, nil
+	return spoof, method, nil
 }
 
 func applyTLSSpoof(conn net.Conn, spoof string, method tlsspoof.Method) (net.Conn, error) {