From 066a8d5b6c744a1f22bde6de480c91015200f407 Mon Sep 17 00:00:00 2001
From: Vasiliy Tolstov <v.tolstov@selfip.ru>
Date: Wed, 6 May 2015 16:19:00 +0300
Subject: [PATCH] add new command

closes #6

Signed-off-by: Vasiliy Tolstov <v.tolstov@selfip.ru>
---
 main.go | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/main.go b/main.go
index 598a079..d48d958 100644
--- a/main.go
+++ b/main.go
@@ -55,6 +55,8 @@ func handle(c net.Conn) {
 		cmd := parts[0]
 		params := strings.Join(parts[1:], "")
 		switch cmd {
+		case "CDUP":
+			s.cmdServerCdup(params)
 		case "RNFR":
 			s.cmdServerRnfr(params)
 		case "OPTS":
@@ -417,7 +419,12 @@ func (s *Conn) cmdServerCwd(args string) {
 		s.path = filepath.Clean(args)
 	}
 	s.ctrl.PrintfLine(`250 "%s" is current directory.`, s.path)
+}
 
+func (s *Conn) cmdServerCdup(args string) {
+	fmt.Printf("cmdServerCdup: %s\n", args)
+	s.path = filepath.Dir(s.path)
+	s.ctrl.PrintfLine(`250 "%s" is current directory.`, s.path)
 }
 
 func (s *Conn) cmdServerPort(args string) {