125 Data connection already open; Transfer starting. #29
Description
`package main
import (
//"crypto/sha256"
//"crypto/tls"
"fmt"
"io"
"os"
//"encoding/hex"
"github.com/dutchcoders/goftp"
)
func main() {
var err error
var ftp *goftp.FTP
var server = "ftpserver"
// For debug messages: goftp.ConnectDbg("ftpserver")
if ftp, err = goftp.Connect(server); err != nil {
panic(err)
}
defer ftp.Close()
fmt.Println("Successfully connected to", server)
// TLS client authentication
// Username / password authentication
if err = ftp.Login("ftpuser", "ftppwd"); err != nil {
panic(err)
}
if err = ftp.Cwd("/ff"); err != nil {
panic(err)
}
var curpath string
if curpath, err = ftp.Pwd(); err != nil {
panic(err)
}
fmt.Println("Current path:", curpath)
// Upload a file
// Download each file into local memory, and calculate it's sha256 hash
_,err =ftp.Retr("f.zip", func(r io.Reader) error {
dst, err := os.OpenFile("f.zip", os.O_WRONLY|os.O_CREATE, 0644)
defer dst.Close()
if _, err = io.Copy(dst, r); err != nil {
return err
}
return err
})
}`
use ftp to download zip file,has this error
125 Data connection already open; Transfer starting.