mirror of
https://github.com/slackhq/nebula.git
synced 2024-11-14 20:05:53 +08:00
65 lines
1.5 KiB
Go
65 lines
1.5 KiB
Go
package main
|
|
|
|
import (
|
|
"flag"
|
|
"fmt"
|
|
"io"
|
|
"io/ioutil"
|
|
"os"
|
|
|
|
"github.com/slackhq/nebula/cert"
|
|
)
|
|
|
|
type keygenFlags struct {
|
|
set *flag.FlagSet
|
|
outKeyPath *string
|
|
outPubPath *string
|
|
}
|
|
|
|
func newKeygenFlags() *keygenFlags {
|
|
cf := keygenFlags{set: flag.NewFlagSet("keygen", flag.ContinueOnError)}
|
|
cf.set.Usage = func() {}
|
|
cf.outPubPath = cf.set.String("out-pub", "", "Required: path to write the public key to")
|
|
cf.outKeyPath = cf.set.String("out-key", "", "Required: path to write the private key to")
|
|
return &cf
|
|
}
|
|
|
|
func keygen(args []string, out io.Writer, errOut io.Writer) error {
|
|
cf := newKeygenFlags()
|
|
err := cf.set.Parse(args)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
if err := mustFlagString("out-key", cf.outKeyPath); err != nil {
|
|
return err
|
|
}
|
|
if err := mustFlagString("out-pub", cf.outPubPath); err != nil {
|
|
return err
|
|
}
|
|
|
|
pub, rawPriv := x25519Keypair()
|
|
|
|
err = ioutil.WriteFile(*cf.outKeyPath, cert.MarshalX25519PrivateKey(rawPriv), 0600)
|
|
if err != nil {
|
|
return fmt.Errorf("error while writing out-key: %s", err)
|
|
}
|
|
|
|
err = ioutil.WriteFile(*cf.outPubPath, cert.MarshalX25519PublicKey(pub), 0600)
|
|
if err != nil {
|
|
return fmt.Errorf("error while writing out-pub: %s", err)
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func keygenSummary() string {
|
|
return "keygen <flags>: create a public/private key pair. the public key can be passed to `nebula-cert sign`"
|
|
}
|
|
|
|
func keygenHelp(out io.Writer) {
|
|
cf := newKeygenFlags()
|
|
out.Write([]byte("Usage of " + os.Args[0] + " " + keygenSummary() + "\n"))
|
|
cf.set.SetOutput(out)
|
|
cf.set.PrintDefaults()
|
|
}
|