Adds pm key remove <id>

This commit is contained in:
Stephen McQuay 2018-02-26 19:31:31 -08:00
parent 040b438cd1
commit e043384c67
Signed by untrusted user: sm
GPG Key ID: 4E4B72F479BA3CE5
2 changed files with 51 additions and 0 deletions

View File

@ -22,6 +22,7 @@ subcommands:
export (e) -- export a public key to stdout
import (i) -- import a public key from stdin
list (ls) -- list configured key info
remove (rm) -- remove a key from the keyring
sign (s) -- sign a file
verify (v) -- verify a detached signature
`
@ -114,6 +115,14 @@ func main() {
if err := keyring.Import(root, os.Stdin); err != nil {
fatalf("importing key: %v\n", err)
}
case "remove", "rm":
if len(args) != 1 {
fatalf("missing key id\n\nusage: pm key remove <id>\n")
}
id := args[0]
if err := keyring.Remove(root, id); err != nil {
fatalf("removing key for %q: %v\n", id, err)
}
default:
fatalf("unknown keyring subcommand: %q\n\nusage: %v", sub, keyUsage)
}

View File

@ -220,6 +220,48 @@ func Verify(root string, file, sig io.Reader) error {
return nil
}
// Remove removes public key information for a given id.
//
// It skips public keys that have matching secret keys, and does not effect
// private keys.
func Remove(root string, id string) error {
if err := ensureDir(root); err != nil {
return errors.Wrap(err, "can't find or create pgp dir")
}
srn, prn := getNames(root)
secs, pubs, err := getELs(srn, prn)
if err != nil {
return errors.Wrap(err, "getting existing keyrings")
}
victim, err := findKey(pubs, id)
if err != nil {
return errors.Wrapf(err, "finding key %q", id)
}
pr, err := os.Create(prn)
if err != nil {
return errors.Wrap(err, "opening pubring")
}
var rerr error
for _, p := range pubs {
if victim.PrimaryKey.KeyId == p.PrimaryKey.KeyId {
if len(secs.KeysById(victim.PrimaryKey.KeyId)) == 0 {
continue
}
rerr = fmt.Errorf("skipping pubkey with matching privkey: %v", p.PrimaryKey.KeyIdShortString())
}
if err := p.Serialize(pr); err != nil {
return errors.Wrapf(err, "serializing %v", p.PrimaryKey.KeyIdString())
}
}
if err := pr.Close(); err != nil {
return errors.Wrap(err, "closing pubring")
}
return rerr
}
func pGPDir(root string) string {
return filepath.Join(root, "var", "lib", "pm", "pgp")
}