// addKeys adds keys to akd as name.
func addKeys(akd *keys.SSHAuthorizedKeysDir, name string, force bool) error {
k := []byte{}
files := []*os.File{}
if flag.NArg() > 0 {
// read from files
for _, fp := range flag.Args() {
f, err := os.Open(fp)
if err != nil {
return err
}
defer f.Close()
files = append(files, f)
}
} else {
// read from stdin
files = append(files, os.Stdin)
}
for _, f := range files {
b, err := ioutil.ReadAll(f)
if err != nil {
return err
}
k = append(k, b...)
}
if !validKeys(k) {
return fmt.Errorf("key(s) invalid.")
}
return akd.Add(name, k, *flagReplace, force)
}
