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Allow for - to stand in for stdin/out

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This commit is contained in:
Nate Brown
2026-05-07 22:33:14 -05:00
parent 1ada3d4dd9
commit 7c31a8eb35
13 changed files with 718 additions and 57 deletions
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15
cmd/nebula-cert/keygen.go
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@@ -42,6 +42,8 @@ func keygen(args []string, out io.Writer, errOut io.Writer) error {
if err = mustFlagString("out-key", cf.outKeyPath); err != nil {
return err
}
} else if *cf.outKeyPath != "" {
return newHelpErrorf("cannot set -out-key with -pkcs11")
}
if err = mustFlagString("out-pub", cf.outPubPath); err != nil {
return err
@@ -69,6 +71,14 @@ func keygen(args []string, out io.Writer, errOut io.Writer) error {
}
}
var claims ioClaims
if err := reserveOutputs(&claims,
"out-key", *cf.outKeyPath,
"out-pub", *cf.outPubPath,
); err != nil {
return err
}
if isP11 {
p11Client, err := pkclient.FromUrl(*cf.p11url)
if err != nil {
@@ -82,12 +92,12 @@ func keygen(args []string, out io.Writer, errOut io.Writer) error {
return fmt.Errorf("error while getting public key: %w", err)
}
} else {
err = os.WriteFile(*cf.outKeyPath, cert.MarshalPrivateKeyToPEM(curve, rawPriv), 0600)
err = writeOutput(*cf.outKeyPath, cert.MarshalPrivateKeyToPEM(curve, rawPriv), 0600, out)
if err != nil {
return fmt.Errorf("error while writing out-key: %s", err)
}
}
err = os.WriteFile(*cf.outPubPath, cert.MarshalPublicKeyToPEM(curve, pub), 0600)
err = writeOutput(*cf.outPubPath, cert.MarshalPublicKeyToPEM(curve, pub), 0600, out)
if err != nil {
return fmt.Errorf("error while writing out-pub: %s", err)
}
@@ -102,6 +112,7 @@ func keygenSummary() string {
func keygenHelp(out io.Writer) {
cf := newKeygenFlags()
_, _ = out.Write([]byte("Usage of " + os.Args[0] + " " + keygenSummary() + "\n"))
_, _ = out.Write([]byte(stdioHelpText))
cf.set.SetOutput(out)
cf.set.PrintDefaults()
}