simplify

app/geodata/download.go

@@ -1,8 +1,6 @@
 package geodata
 
 import (
-	"bufio"
-	"compress/gzip"
 	"context"
 	"crypto/tls"
 	go_errors "errors"
@@ -199,22 +197,7 @@ func (d *downloader) fetch(rawURL string, writer io.Writer) error {
 		return errors.New("geodata download exceeds 256 MiB")
 	}
 
-	br := bufio.NewReader(resp.Body)
-	header, err := br.Peek(2)
-	if err != nil && err != io.EOF {
-		return err
-	}
-	var body io.Reader = br
-	if len(header) == 2 && header[0] == 0x1f && header[1] == 0x8b {
-		zr, err := gzip.NewReader(br)
-		if err != nil {
-			return err
-		}
-		defer zr.Close()
-		body = zr
-	}
-
-	n, err := io.Copy(writer, io.LimitReader(body, maxDownloadSize+1))
+	n, err := io.Copy(writer, io.LimitReader(resp.Body, maxDownloadSize+1))
 	if err != nil {
 		return err
 	}

transport/internet/system_listener.go

@@ -89,6 +89,9 @@ func (dl *DefaultListener) Listen(ctx context.Context, addr net.Addr, sockopt *S
 		lc.Control = getControlFunc(ctx, sockopt, dl.controllers)
 		// default disable keepalive
 		lc.KeepAlive = -1
+		// MPTCP is enabled by default golang listener
+		// due to CVE-2026-98432, MPTCP should be disabled by default
+		lc.SetMultipathTCP(false)
 		if sockopt != nil {
 			if sockopt.TcpKeepAliveIdle*sockopt.TcpKeepAliveInterval < 0 {
 				return nil, errors.New("invalid TcpKeepAliveIdle or TcpKeepAliveInterval value: ", sockopt.TcpKeepAliveIdle, " ", sockopt.TcpKeepAliveInterval)
@@ -107,9 +110,7 @@ func (dl *DefaultListener) Listen(ctx context.Context, addr net.Addr, sockopt *S
 				lc.KeepAliveConfig.Enable = true
 				lc.KeepAliveConfig.Interval = time.Duration(sockopt.TcpKeepAliveInterval) * time.Second
 			}
-			if sockopt.TcpMptcp {
-				lc.SetMultipathTCP(true)
-			}
+			lc.SetMultipathTCP(sockopt.TcpMptcp)
 		}
 	case *net.UnixAddr:
 		lc.Control = nil