package ftp import ( "fmt" ftpserver "github.com/KirCute/ftpserverlib-pasvportmap" "strconv" ) func HandleSIZE(param string, client ftpserver.ClientDriver) (int, string) { fs, ok := client.(*AferoAdapter) if !ok { return ftpserver.StatusNotLoggedIn, "Unexpected exception (driver is nil)" } size, err := strconv.ParseInt(param, 10, 64) if err != nil { return ftpserver.StatusSyntaxErrorParameters, fmt.Sprintf( "Couldn't parse file size, given: %s, err: %v", param, err) } fs.SetNextFileSize(size) return ftpserver.StatusOK, "Accepted next file size" }