a4e9650823
Before this change, uploading a zero length file via TLS meant that
the tls.Handshake function was never called.
ProFTPd quite properly refuses to accept an empty TCP connection with
no TLS handshake as a zero length upload and gives the error
425 Unable to build data connection: Operation not
See: https://forum.rclone.org/t/rclone-ftps-explicit-rclone-touch-empty-files-proftpd-unable-to-build-data-connection-operation-not-permitted/22522
goftp
A FTP client package for Go
Install
go get -u github.com/jlaffaye/ftp
Documentation
https://pkg.go.dev/github.com/jlaffaye/ftp?tab=doc
Example
c, err := ftp.Dial("ftp.example.org:21", ftp.DialWithTimeout(5*time.Second))
if err != nil {
log.Fatal(err)
}
err = c.Login("anonymous", "anonymous")
if err != nil {
log.Fatal(err)
}
// Do something with the FTP conn
if err := c.Quit(); err != nil {
log.Fatal(err)
}
Store a file example
data := bytes.NewBufferString("Hello World")
err = c.Stor("test-file.txt", data)
if err != nil {
panic(err)
}
Read a file example
r, err := c.Retr("test-file.txt")
if err != nil {
panic(err)
}
defer r.Close()
buf, err := ioutil.ReadAll(r)
println(string(buf))