Return internal errors to clients

This commit is contained in:
NXShock 2025-06-03 10:36:09 +05:00
parent 1fe5a70c7c
commit c4c9bff7c6
2 changed files with 24 additions and 16 deletions

View file

@ -30,7 +30,7 @@ func (h HostMapping) Add(host, outputUrlStr string) error {
switch outputUrl.Scheme {
case "file":
server := http.Server{Handler: http.FileServer(http.Dir(outputUrl.Path))}
go func() { _ = server.Serve(pd.listener) }()
go server.Serve(pd.listener)
case "tcp":
go func(pd ProxyDirection) {
for {
@ -39,7 +39,7 @@ func (h HostMapping) Add(host, outputUrlStr string) error {
slog.Debug(err.Error())
continue
}
go func() { _ = handleTcp(conn.(*tls.Conn), pd.Output) }()
go handleTcp(conn.(*tls.Conn), pd.Output)
}
}(pd)
case "unix":
@ -50,7 +50,7 @@ func (h HostMapping) Add(host, outputUrlStr string) error {
slog.Debug(err.Error())
continue
}
go func() { _ = handleUnix(conn.(*tls.Conn), pd.Output) }()
go handleUnix(conn.(*tls.Conn), pd.Output)
}
}(pd)
default:
@ -79,10 +79,14 @@ func handleTlsConn(conn *tls.Conn, hosts HostMapping) error {
return nil
}
func handleTcp(conn *tls.Conn, outputUrl *url.URL) error {
func handleTcp(conn *tls.Conn, outputUrl *url.URL) {
slog.Debug(fmt.Sprintf("%s -> %s", conn.RemoteAddr(), outputUrl.Host))
c, err := net.Dial(outputUrl.Scheme, outputUrl.Host)
if err != nil {
return fmt.Errorf("dial: %v", err)
writeError(conn, err)
conn.Close()
return
}
defer c.Close()
@ -102,14 +106,16 @@ func handleTcp(conn *tls.Conn, outputUrl *url.URL) error {
}()
wg.Wait()
return nil
}
func handleUnix(conn *tls.Conn, outputUrl *url.URL) error {
func handleUnix(conn *tls.Conn, outputUrl *url.URL) {
slog.Debug(fmt.Sprintf("%s -> %s", conn.RemoteAddr(), outputUrl.Host+outputUrl.Path))
c, err := net.Dial(outputUrl.Scheme, outputUrl.Host+outputUrl.Path)
if err != nil {
return fmt.Errorf("dial: %v", err)
writeError(conn, err)
conn.Close()
return
}
defer c.Close()
@ -129,6 +135,8 @@ func handleUnix(conn *tls.Conn, outputUrl *url.URL) error {
}()
wg.Wait()
return nil
}
func writeError(w io.Writer, err error) {
fmt.Fprintf(w, "HTTP/1.1 500 Internal Server Error\r\nConnection: Close\r\nContent-Type: text/plain\r\n\r\n%s", err)
}