Skip to content

Commit

Permalink
Localize flags to each subcommand
Browse files Browse the repository at this point in the history 
This makes it more clear which flag is for which subcommand.

Signed-off-by: Nathan Smith <nathan@nfsmith.ca>
  • Loading branch information
@nsmith5
nsmith5 committed Dec 12, 2021
1 parent e270bd4 commit 79309e9
Show file tree
Hide file tree
Showing 4 changed files with 243 additions and 236 deletions.
215 changes: 111 additions & 104 deletions cmd/app/createca.go
View file
Original file line number Diff line number Diff line change
Expand Up @@ -40,126 +40,133 @@ const (
LABEL = "PKCS11CA"
)

// createcaCmd represents the createca command
var createcaCmd = &cobra.Command{
Use: "createca",
Short: "Create a root CA in a pkcs11 device",
Long: `Create an x509 root CA within a pkcs11 device using values
func newCreateCACmd() *cobra.Command {
cmd := &cobra.Command{
Use: "createca",
Short: "Create a root CA in a pkcs11 device",
Long: `Create an x509 root CA within a pkcs11 device using values
such as organization, country etc. This can then be used as the root
certificate authority for an instance of sigstore fulcio`,
Run: func(cmd *cobra.Command, args []string) {
log.Logger.Info("binding to PKCS11 HSM")
p11Ctx, err := crypto11.ConfigureFromFile(viper.GetString("pkcs11-config-path"))
if err != nil {
log.Logger.Fatal(err)
}
defer p11Ctx.Close()
Run: runCreateCACmd,
}

rootID := []byte(viper.GetString("hsm-caroot-id"))
cmd.Flags().String("org", "Fulcio Root CA", "Organization name for root CA")
cmd.Flags().String("country", "", "Country name for root CA")
cmd.Flags().String("province", "", "Province name for root CA")
cmd.Flags().String("locality", "", "Locality name for root CA")
cmd.Flags().String("street-address", "", "Street address for root CA")
cmd.Flags().String("postal-code", "", "Postal code for root CA")
cmd.Flags().String("out", "", "output root CA to file")
cmd.Flags().String("hsm", "softhsm", "The HSM provider to use. Valid values: softhsm (default), aws")
cmd.Flags().String("pkcs11-config-path", "config/crypto11.conf", "path to fulcio pkcs11 config file")
cmd.Flags().String("hsm-caroot-id", "", "HSM ID for Root CA")

// Check if CA already exists (or a cert within the provided ID)
findCA, err := p11Ctx.FindCertificate(rootID, nil, nil)
if err != nil {
log.Logger.Fatal(err)
}
if findCA != nil {
log.Logger.Fatal("certificate already exists with this ID")
}
cmd.MarkFlagRequired("hsm-caroot-id")

// Find the existing Key Pair
// TODO: We could make the TAG customizable
log.Logger.Info("finding slot for private key: ", LABEL)
privKey, err := p11Ctx.FindKeyPair(nil, []byte(LABEL))
if err != nil {
log.Logger.Fatal(err)
}
return cmd
}

pubKey := privKey.Public()
func runCreateCACmd(cmd *cobra.Command, args []string) {
if err := viper.BindPFlags(cmd.Flags()); err != nil {
log.Logger.Fatal(err)
}

// TODO: We could make it so this could be passed in by the user
serialNumber, err := rand.Int(rand.Reader, new(big.Int).SetInt64(math.MaxInt64))
if err != nil {
log.Logger.Fatal(err)
}
rootCA := &x509.Certificate{
SerialNumber: serialNumber,
Subject: pkix.Name{
Organization: []string{viper.GetString("org")},
Country: []string{viper.GetString("country")},
Province: []string{viper.GetString("province")},
Locality: []string{viper.GetString("locality")},
StreetAddress: []string{viper.GetString("street-address")},
PostalCode: []string{viper.GetString("postal-code")},
},
NotBefore: time.Now(),
NotAfter: time.Now().AddDate(10, 0, 0),
IsCA: true,
KeyUsage: x509.KeyUsageCertSign | x509.KeyUsageCRLSign,
BasicConstraintsValid: true, MaxPathLen: 1,
}
log.Logger.Info("binding to PKCS11 HSM")
p11Ctx, err := crypto11.ConfigureFromFile(viper.GetString("pkcs11-config-path"))
if err != nil {
log.Logger.Fatal(err)
}
defer p11Ctx.Close()

caBytes, err := x509.CreateCertificate(rand.Reader, rootCA, rootCA, pubKey, privKey)
if err != nil {
log.Logger.Fatal(err)
}
rootID := []byte(viper.GetString("hsm-caroot-id"))

pemBytes := pem.EncodeToMemory(&pem.Block{
Type: "CERTIFICATE",
Bytes: caBytes,
})
// Check if CA already exists (or a cert within the provided ID)
findCA, err := p11Ctx.FindCertificate(rootID, nil, nil)
if err != nil {
log.Logger.Fatal(err)
}
if findCA != nil {
log.Logger.Fatal("certificate already exists with this ID")
}

log.Logger.Info("Root CA:")
fmt.Println(string(pemBytes))
// Find the existing Key Pair
// TODO: We could make the TAG customizable
log.Logger.Info("finding slot for private key: ", LABEL)
privKey, err := p11Ctx.FindKeyPair(nil, []byte(LABEL))
if err != nil {
log.Logger.Fatal(err)
}

certParse, err := x509.ParseCertificate(caBytes)
if err != nil {
pubKey := privKey.Public()

// TODO: We could make it so this could be passed in by the user
serialNumber, err := rand.Int(rand.Reader, new(big.Int).SetInt64(math.MaxInt64))
if err != nil {
log.Logger.Fatal(err)
}
rootCA := &x509.Certificate{
SerialNumber: serialNumber,
Subject: pkix.Name{
Organization: []string{viper.GetString("org")},
Country: []string{viper.GetString("country")},
Province: []string{viper.GetString("province")},
Locality: []string{viper.GetString("locality")},
StreetAddress: []string{viper.GetString("street-address")},
PostalCode: []string{viper.GetString("postal-code")},
},
NotBefore: time.Now(),
NotAfter: time.Now().AddDate(10, 0, 0),
IsCA: true,
KeyUsage: x509.KeyUsageCertSign | x509.KeyUsageCRLSign,
BasicConstraintsValid: true, MaxPathLen: 1,
}

caBytes, err := x509.CreateCertificate(rand.Reader, rootCA, rootCA, pubKey, privKey)
if err != nil {
log.Logger.Fatal(err)
}

pemBytes := pem.EncodeToMemory(&pem.Block{
Type: "CERTIFICATE",
Bytes: caBytes,
})

log.Logger.Info("Root CA:")
fmt.Println(string(pemBytes))

certParse, err := x509.ParseCertificate(caBytes)
if err != nil {
log.Logger.Fatal(err)
}

// Import the root CA into the HSM
// TODO: We could make the TAG customizable
if viper.GetString("hsm") == "aws" {
log.Logger.Info("Running in AWS mode; skipping root CA storage in HSM")
if !viper.IsSet("out") {
log.Logger.Warn("WARNING: --out is not set. Root CA will not be saved.")
}
} else {
if err = p11Ctx.ImportCertificateWithLabel(rootID, []byte(LABEL), certParse); err != nil {
log.Logger.Fatal(err)
}
log.Logger.Info("root CA created with PKCS11 ID: ", viper.GetString("hsm-caroot-id"))
}

// Import the root CA into the HSM
// TODO: We could make the TAG customizable
if viper.GetString("hsm") == "aws" {
log.Logger.Info("Running in AWS mode; skipping root CA storage in HSM")
if !viper.IsSet("out") {
log.Logger.Warn("WARNING: --out is not set. Root CA will not be saved.")
}
} else {
if err = p11Ctx.ImportCertificateWithLabel(rootID, []byte(LABEL), certParse); err != nil {
log.Logger.Fatal(err)
}
log.Logger.Info("root CA created with PKCS11 ID: ", viper.GetString("hsm-caroot-id"))
// Save out the file in pem format for easy import to CTL chain
if viper.IsSet("out") {
certOut, err := os.Create(filepath.Clean(viper.GetString("out")))
if err != nil {
log.Logger.Fatal(err)
}

// Save out the file in pem format for easy import to CTL chain
if viper.IsSet("out") {
certOut, err := os.Create(filepath.Clean(viper.GetString("out")))
if err != nil {
log.Logger.Fatal(err)
}
if err := pem.Encode(certOut, &pem.Block{ //nolint
Type: "CERTIFICATE",
Bytes: caBytes},
); err != nil {
certOut.Close()
log.Logger.Fatal(err)
}
if err := pem.Encode(certOut, &pem.Block{ //nolint
Type: "CERTIFICATE",
Bytes: caBytes},
); err != nil {
certOut.Close()
log.Logger.Info("root CA saved to file: ", viper.GetString("out"))
log.Logger.Fatal(err)
}
},
}

func init() {
rootCmd.AddCommand(createcaCmd)
createcaCmd.PersistentFlags().String("org", "Fulcio Root CA", "Organization name for root CA")
createcaCmd.PersistentFlags().String("country", "", "Country name for root CA")
createcaCmd.PersistentFlags().String("province", "", "Province name for root CA")
createcaCmd.PersistentFlags().String("locality", "", "Locality name for root CA")
createcaCmd.PersistentFlags().String("street-address", "", "Street address for root CA")
createcaCmd.PersistentFlags().String("postal-code", "", "Postal code for root CA")
createcaCmd.PersistentFlags().String("out", "", "output root CA to file")
createcaCmd.PersistentFlags().String("hsm", "softhsm", "The HSM provider to use. Valid values: softhsm (default), aws")
if err := viper.BindPFlags(createcaCmd.PersistentFlags()); err != nil {
log.Logger.Fatal(err)
certOut.Close()
log.Logger.Info("root CA saved to file: ", viper.GetString("out"))
}
}
23 changes: 3 additions & 20 deletions cmd/app/root.go
View file
Original file line number Diff line number Diff line change
Expand Up @@ -20,15 +20,10 @@ import (
"os"

"github.com/spf13/cobra"
"github.com/spf13/viper"

"github.com/sigstore/fulcio/pkg/log"
)

var (
logType string
)

// rootCmd represents the base command when called without any subcommands
var rootCmd = &cobra.Command{
Use: "fulcio",
Expand All @@ -46,19 +41,7 @@ func Execute(ctx context.Context) {
}

func init() {
rootCmd.PersistentFlags().StringVar(&logType, "log_type", "dev", "logger type to use (dev/prod)")
rootCmd.PersistentFlags().String("ca", "", "googleca | pkcs11ca | ephemeralca (for testing)")
rootCmd.PersistentFlags().String("aws-hsm-root-ca-path", "", "Path to root CA on disk (only used with AWS HSM)")
rootCmd.PersistentFlags().String("gcp_private_ca_parent", "", "private ca parent: /projects/<project>/locations/<location>/<name> (only used with --ca googleca)")
rootCmd.PersistentFlags().String("gcp_private_ca_version", "v1", "private ca version: [v1|v1beta1] (only used with --ca googleca)")
rootCmd.PersistentFlags().String("hsm-caroot-id", "", "HSM ID for Root CA (only used with --ca pkcs11ca)")
rootCmd.PersistentFlags().String("ct-log-url", "http://localhost:6962/test", "host and path (with log prefix at the end) to the ct log")
rootCmd.PersistentFlags().String("config-path", "/etc/fulcio-config/config.json", "path to fulcio config json")
rootCmd.PersistentFlags().String("pkcs11-config-path", "config/crypto11.conf", "path to fulcio pkcs11 config file")
rootCmd.PersistentFlags().String("host", "0.0.0.0", "The host on which to serve requests")
rootCmd.PersistentFlags().String("port", "8080", "The port on which to serve requests")

if err := viper.BindPFlags(rootCmd.PersistentFlags()); err != nil {
log.Logger.Fatal(err)
}
rootCmd.AddCommand(newCreateCACmd())
rootCmd.AddCommand(newServeCmd())
rootCmd.AddCommand(newVersionCmd())
}
Loading

0 comments on commit 79309e9

Please sign in to comment.