Version v0.4.0

.gitea/workflows/release.yml

@@ -26,11 +26,12 @@ jobs:
         run: |
           VERSION=${GITEA_REF_NAME}
           echo "Building version $VERSION"
-          go build -ldflags "-s -w -X main.Version=$VERSION" -o myapp ./cmd/app
+          go mod tidy
+          go build -ldflags "-s -w -X main.Version=$VERSION" -o lab-ca .
 
       # 4. Install the tea CLI
       - name: Install tea CLI
-        run: go install gitea.com/gitea/tea@latest
+        run: go install code.gitea.io/tea@latest
 
       # 5. Authenticate tea CLI
       - name: Login to Gitea
@@ -50,4 +51,4 @@ jobs:
 
       # 7. Upload binary to the release
       - name: Upload binary
-        run: tea release upload $GITEA_REF_NAME ./myapp
+        run: tea release upload $GITEA_REF_NAME lab-ca

README.md

@@ -221,6 +221,16 @@ The tool checks that SANs are valid for the selected certificate type(s). Certif
 
 See `examples/example-certificates.hcl` for a more advanced provisioning file with templates and variables.
 
+## Building the Tool
+
+The repository includes a `build.sh` script to build the CLI tool. It updates the version in `version.go` and builds the binary.
+
+To ignore changes made to `version.go` in Git, you can run:
+
+```bash
+git update-index --assume-unchanged version.go
+```
+
 ---
 
 ## Notes

build.sh

@@ -7,6 +7,9 @@ else
   VERSION="dev"
 fi
 
+# Hardcode the version into main.go
+sed -i '' "s/^var Version = .*/var Version = \"$VERSION\"/" version.go
+
 if echo $VERSION | grep -q 'dirty$'; then
   echo "Building in development mode, output directory is set to 'build'."
   OUTPUT_DIR=build
@@ -19,4 +22,5 @@ else
 fi
 
 # Build the Lab CA binary with version information
-go build -ldflags "-X main.Version=$VERSION" -o $OUTPUT_DIR/lab-ca
+# go build -ldflags "-X main.Version=$VERSION" -o $OUTPUT_DIR/lab-ca
+go build -o $OUTPUT_DIR/lab-ca

ca.go

@@ -72,7 +72,7 @@ func (def *CertificateDefinition) FillDefaultValues(defaults *CertificateDefault
 		def.Validity = defaults.Validity
 	}
 	if len(def.SAN) == 0 && len(defaults.SAN) > 0 {
-		def.SAN = defaults.SAN
+		def.SAN = append([]string(nil), defaults.SAN...)
 	}
 }
 
@@ -291,14 +291,9 @@ func parseValidity(validity string) (time.Duration, error) {
 }
 
 func SavePEM(filename string, data []byte, secure bool) error {
-	if !overwrite {
 	if _, err := os.Stat(filename); err == nil {
-			return fmt.Errorf("file %s already exists (overwrite not allowed)", filename)
+		return fmt.Errorf("file %s already exists", filename)
-		} else if !os.IsNotExist(err) {
-			return fmt.Errorf("could not check file %s: %v", filename, err)
 	}
-	}
-
 	if secure {
 		return os.WriteFile(filename, data, 0600)
 	} else {
@@ -453,22 +448,21 @@ func InitCA() error {
 	return nil
 }
 
-// Helper: issue a single certificate and key, save to files, return error if any
+func issueSingleCertificate(def CertificateDefinition, i int, n int) (bool, error) {
-func issueSingleCertificate(def CertificateDefinition) error {
 	// Validate Name
 
 	isValidName, err := regexp.MatchString(`^[A-Za-z0-9_-]+$`, def.Name)
 	if err != nil {
-		return fmt.Errorf("error validating certificate name: %v", err)
+		return false, fmt.Errorf("error validating certificate name: %v", err)
 	}
 
 	if !isValidName {
-		return fmt.Errorf("certificate name must be specified and contain only letters, numbers, dash, or underscore")
+		return false, fmt.Errorf("certificate name must be specified and contain only letters, numbers, dash, or underscore")
 	}
 
 	// Check if the certificate is in database, fail if it is.
 	if caState.FindByName(def.Name, false) != nil {
-		return fmt.Errorf("certificate %s already exists and is valid.", def.Name)
+		return false, fmt.Errorf("certificate %s already exists and is valid.", def.Name)
 	}
 
 	// Initialize Subject if not specified
@@ -477,18 +471,44 @@ func issueSingleCertificate(def CertificateDefinition) error {
 	}
 
 	// Add default dns SAN for server/server-only if none specified
-	if (def.Type == "server" || def.Type == "server-only") && len(def.SAN) == 0 {
+	if strings.Contains(def.Type, "server") && len(def.SAN) == 0 {
-		def.SAN = append(def.SAN, "dns:"+def.Subject)
+		// Extract CN if subject is a DN, else use subject as is
+		cn := def.Subject
+		if isDNFormat(def.Subject) {
+			dn := parseDistinguishedName(def.Subject)
+			if dn.CommonName != "" {
+				cn = dn.CommonName
+			}
+		}
+		def.SAN = append(def.SAN, "dns:"+cn)
+	}
+
+	// Check if the certificate is being issued in dry run mode
+	if dryRun {
+		msg := fmt.Sprintf("Would issue certificate for '%s' (dry run).", def.Subject)
+		if n > 1 {
+			fmt.Printf("[%d/%d] %s\n", i+1, n, msg)
+		} else {
+			fmt.Printf("%s\n", msg)
+		}
+		return false, nil
+	} else {
+		msg := fmt.Sprintf("Issuing certificate for '%s'... ", def.Subject)
+		if n > 1 {
+			fmt.Printf("[%d/%d] %s", i+1, n, msg)
+		} else {
+			fmt.Printf("%s", msg)
+		}
 	}
 
 	priv, err := rsa.GenerateKey(rand.Reader, 4096)
 	if err != nil {
-		return fmt.Errorf("failed to generate private key: %v", err)
+		return false, fmt.Errorf("failed to generate private key: %v", err)
 	}
 	serialNumberLimit := new(big.Int).Lsh(big.NewInt(1), 128)
 	serialNumber, err := rand.Int(rand.Reader, serialNumberLimit)
 	if err != nil {
-		return fmt.Errorf("failed to generate serial number: %v", err)
+		return false, fmt.Errorf("failed to generate serial number: %v", err)
 	}
 
 	var validityDur time.Duration
@@ -499,7 +519,7 @@ func issueSingleCertificate(def CertificateDefinition) error {
 
 	validityDur, err = parseValidity(validity)
 	if err != nil {
-		return fmt.Errorf("invalid validity value: %v", err)
+		return false, fmt.Errorf("invalid validity value: %v", err)
 	}
 
 	var subjectPKIX pkix.Name
@@ -532,7 +552,7 @@ func issueSingleCertificate(def CertificateDefinition) error {
 		} else if n, _ := fmt.Sscanf(sLower, "email:%s", &val); n == 1 {
 			certTmpl.EmailAddresses = append(certTmpl.EmailAddresses, val)
 		} else {
-			return fmt.Errorf("invalid SAN format: %s", s)
+			return false, fmt.Errorf("invalid SAN format: %s", s)
 		}
 	}
 
@@ -552,13 +572,13 @@ func issueSingleCertificate(def CertificateDefinition) error {
 		case "email":
 			certTmpl.ExtKeyUsage = append(certTmpl.ExtKeyUsage, x509.ExtKeyUsageEmailProtection)
 		default:
-			return fmt.Errorf("unknown certificate type. Use one of: client, server, code-signing, email")
+			return false, fmt.Errorf("unknown certificate type. Use one of: client, server, code-signing, email")
 		}
 	}
 
 	certDER, err := x509.CreateCertificate(rand.Reader, &certTmpl, caCert, &priv.PublicKey, caKey)
 	if err != nil {
-		return fmt.Errorf("failed to create certificate: %v", err)
+		return false, fmt.Errorf("failed to create certificate: %v", err)
 	}
 	certPEM := pem.EncodeToMemory(&pem.Block{Type: "CERTIFICATE", Bytes: certDER})
 	keyPEM := pem.EncodeToMemory(&pem.Block{Type: "RSA PRIVATE KEY", Bytes: x509.MarshalPKCS1PrivateKey(priv)})
@@ -566,29 +586,12 @@ func issueSingleCertificate(def CertificateDefinition) error {
 	certFile := filepath.Join(caConfig.Paths.Certificates, def.Name+".crt.pem")
 	keyFile := filepath.Join(caConfig.Paths.PrivateKeys, def.Name+".key.pem")
 	if err := SavePEM(certFile, certPEM, false); err != nil {
-		return fmt.Errorf("error saving certificate: %v", err)
+		return false, fmt.Errorf("error saving certificate: %v", err)
 	}
 	if err := SavePEM(keyFile, keyPEM, true); err != nil {
-		return fmt.Errorf("error saving key: %v", err)
+		return false, fmt.Errorf("error saving key: %v", err)
 	}
-	if verbose {
+	err = caState.UpdateCAStateAfterIssue(
-		fmt.Printf(`
-Certificate:
-    Name:     %s
-    Subject:  %s
-    Type:     %s
-    Validity: %s
-    SAN:      %v
-`,
-			def.Name,
-			def.Subject,
-			def.Type,
-			def.Validity,
-			def.SAN,
-		)
-	}
-
-	caState.UpdateCAStateAfterIssue(
 		caConfig.SerialType,
 		def.Name,
 		def.Subject,
@@ -596,11 +599,49 @@ Certificate:
 		serialNumber,
 		validityDur,
 	)
-	return nil
+
+	if err != nil {
+		return false, fmt.Errorf("error updating CA state: %v", err)
+	}
+
+	if !verbose {
+		fmt.Printf("done.\n")
+	} else {
+		fmt.Printf(`done.
+Certificate generated:
+    Name:     %s
+    Subject:  %s
+    Type:     %s
+    Validity: %s
+    SANs:
+`,
+			def.Name,
+			def.Subject,
+			def.Type,
+			def.Validity,
+		)
+		for _, san := range def.SAN {
+			parts := strings.SplitN(san, ":", 2)
+			if len(parts) == 2 {
+				fmt.Printf("        %s (%s)\n", parts[1], parts[0])
+			} else {
+				fmt.Printf("        %s\n", san)
+			}
+		}
+	}
+
+	if err := SaveCAState(); err != nil {
+		// If saving CA state fails, we still return success for the certificate issuance
+		fmt.Printf("WARNING: %v\n", err)
+		fmt.Println("CA state not saved, but certificate issued and saved successfully.")
+		return true, fmt.Errorf("Error saving CA state: %v", err)
+	}
+
+	return true, nil
 }
 
 // A prototype of certificate provisioning function
-func ProvisionCertificates(filePath string, overwrite bool, dryRun bool, verbose bool) error {
+func ProvisionCertificates(filePath string) error {
 	err := LoadCA()
 
 	if err != nil {
@@ -647,27 +688,18 @@ func ProvisionCertificates(filePath string, overwrite bool, dryRun bool, verbose
 	n := len(certDefs.Certificates)
 	// No errors so far, now we can issue certificates
 	for i := range certDefs.Certificates {
-		fmt.Printf("[%d/%d] Issuing %s... ", i+1, n, certDefs.Certificates[i].Name)
+		issued, err := issueSingleCertificate(certDefs.Certificates[i], i, n)
-
-		if dryRun {
-			fmt.Printf("(dry run)\n")
-			successes++
-			continue
-		}
-
-		err = issueSingleCertificate(certDefs.Certificates[i])
 		if err != nil {
 			fmt.Printf("error: %v\n", err)
 			errors++
 		} else {
-			if !verbose {
+			if issued {
-				fmt.Printf("done\n")
-			}
 				successes++
 			}
 		}
+	}
 
-	fmt.Printf("Provisioning complete: %d succeeded, %d failed.\n", successes, errors)
+	fmt.Printf("Provisioning complete: %d succeeded, %d failed, %d skipped.\n", successes, errors, n-successes-errors)
 
 	err = SaveCAState()
 	if err != nil {
@@ -677,40 +709,25 @@ func ProvisionCertificates(filePath string, overwrite bool, dryRun bool, verbose
 	return nil
 }
 
-func IssueCertificate(certDef CertificateDefinition, overwrite bool, dryRun bool, verbose bool) error {
+func IssueCertificate(def CertificateDefinition) error {
 	err := LoadCA()
 	if err != nil {
 		fmt.Fprintf(os.Stderr, "ERROR: %v\n", err)
 		os.Exit(1)
 	}
 
-	if certDef.Subject == "" {
+	if def.Subject == "" {
-		certDef.Subject = certDef.Name
+		def.Subject = def.Name
 	}
 
 	// Render templates in the certificae subject and SAN fields
-	variables := map[string]string{"Name": certDef.Name}
+	variables := map[string]string{"Name": def.Name}
-	certDef.RenderTemplates(variables)
+	def.RenderTemplates(variables)
 
-	if dryRun {
+	_, err = issueSingleCertificate(def, 1, 1)
-		fmt.Printf("Would issue %s certificate for '%s' (dry run)\n", certDef.Type, certDef.Subject)
-		return nil
-	}
-
-	err = issueSingleCertificate(certDef)
-
-	if err != nil {
 	return err
 }
 
-	fmt.Printf("%s certificate and key for '%s' generated.\n", certDef.Type, certDef.Subject)
-	if err := SaveCAState(); err != nil {
-		fmt.Printf("Error saving CA state: %v\n", err)
-	}
-
-	return nil
-}
-
 // Helper: check if string looks like a DN (contains at least CN=...)
 func isDNFormat(s string) bool {
 	return len(s) > 0 && strings.Contains(s, "CN=")

certdb.go

@@ -36,41 +36,42 @@ type CertificateRecord struct {
 
 // Look for a certifcate by its name
 func (c *CAState) FindByName(name string, all bool) *CertificateRecord {
-	for _, cert := range c.Certificates {
+	for i := range c.Certificates {
+		cert := &c.Certificates[i]
 		if cert.RevokedAt != "" && !all {
 			continue
 		}
 		if cert.Name == name {
-			return &cert
+			return cert
 		}
 	}
-
 	return nil
 }
 
 // Look for a certificate by its serial
 func (c *CAState) FindBySerial(serial string, all bool) *CertificateRecord {
-	for _, cert := range c.Certificates {
+	for i := range c.Certificates {
+		cert := &c.Certificates[i]
 		if cert.RevokedAt != "" && !all {
 			continue
 		}
 		if cert.Serial == serial {
-			return &cert
+			return cert
 		}
 	}
-
 	return nil
 }
 
-// func caStatePath() string {
-// 	return filepath.Join(filepath.Dir(caConfigPath), caConfig.GetStateFileName())
-// }
-
 // LoadCAState loads the CA state from a JSON file
 func LoadCAState() error {
 	fmt.Printf("Loading CA state from %s\n", caStatePath)
 	f, err := os.Open(caStatePath)
 	if err != nil {
+		if os.IsNotExist(err) {
+			// File does not exist, treat as empty state
+			caState = &CAState{}
+			return nil
+		}
 		return err
 	}
 	defer f.Close()
@@ -97,8 +98,7 @@ func SaveCAState() error {
 // UpdateCAStateAfterIssue updates the CA state JSON after issuing a certificate
 func (s *CAState) UpdateCAStateAfterIssue(serialType, name string, subject string, certType string, serialNumber any, validity time.Duration) error {
 	if s == nil {
-		fmt.Fprintf(os.Stderr, "FATAL: CAState is nil in UpdateCAStateAfterIssue. This indicates a programming error.\n")
+		return fmt.Errorf("CAState is nil in UpdateCAStateAfterIssue. This indicates a programming error.")
-		os.Exit(1)
 	}
 	issued := time.Now().UTC().Format(time.RFC3339)
 	expires := time.Now().Add(validity).UTC().Format(time.RFC3339)
@@ -119,7 +119,7 @@ func (s *CAState) UpdateCAStateAfterIssue(serialType, name string, subject strin
 func (s *CAState) AddCertificate(name, subject, certType, issued, expires, serial string) {
 	if s == nil {
 		fmt.Fprintf(os.Stderr, "FATAL: CAState is nil in AddCertificate. This indicates a programming error.\n")
-		os.Exit(1)
+		return
 	}
 	rec := CertificateRecord{
 		Name:    name,
@@ -135,8 +135,7 @@ func (s *CAState) AddCertificate(name, subject, certType, issued, expires, seria
 // RevokeCertificate revokes a certificate by serial number and reason code, updates state, and saves to disk
 func (s *CAState) RevokeCertificate(serial string, reason int) error {
 	if s == nil {
-		fmt.Fprintf(os.Stderr, "FATAL: CAState is nil in RevokeCertificate. This indicates a programming error.\n")
+		return fmt.Errorf("CAState is nil in RevokeCertificate. This indicates a programming error.")
-		os.Exit(1)
 	}
 	revoked := false
 	revokedAt := time.Now().UTC().Format(time.RFC3339)

ignore-changes-to-version-go.sh

@@ -0,0 +1,3 @@
+#!/bin/bash
+
+git update-index --assume-unchanged version.go

main.go

@@ -7,10 +7,7 @@ import (
 	"github.com/spf13/cobra"
 )
 
-var Version = ""
-
 // Global flags available to all commands
-var overwrite bool
 var dryRun bool
 var verbose bool
 
@@ -48,7 +45,6 @@ func main() {
 	}
 
 	// Define persistent flags (global for all commands)
-	rootCmd.PersistentFlags().BoolVar(&overwrite, "overwrite", false, "Allow overwriting existing files")
 	rootCmd.PersistentFlags().BoolVar(&verbose, "verbose", false, "Print detailed information about each processed certificate")
 	rootCmd.PersistentFlags().BoolVar(&dryRun, "dry-run", false, "Validate and show what would be created, but do not write files (batch mode)")
 	rootCmd.PersistentFlags().StringVar(&caConfigPath, "config", "ca_config.hcl", "Path to CA configuration file")
@@ -97,7 +93,7 @@ func main() {
 				Type:     certType,
 				Validity: validity,
 				SAN:      san,
-			}, overwrite, dryRun, verbose)
+			})
 
 			if err != nil {
 				fmt.Fprintf(os.Stderr, "ERROR: %v\n", err)
@@ -122,7 +118,7 @@ func main() {
 		Short: "Provision certificates from a batch file (HCL)",
 		Run: func(cmd *cobra.Command, args []string) {
 
-			err := ProvisionCertificates(provisionFile, overwrite, false, verbose)
+			err := ProvisionCertificates(provisionFile)
 
 			if err != nil {
 				fmt.Fprintf(os.Stderr, "ERROR: %v\n", err)

run-test-2.sh

@@ -0,0 +1,13 @@
+#!/bin/bash
+
+if [ "-v" == "$1" ]; then
+    VERBOSE="--verbose"
+    shift
+else
+    VERBOSE=""
+fi
+
+./build.sh
+rm -rf docker_ca
+build/lab-ca $VERBOSE --config docker_ca.hcl initca
+build/lab-ca $VERBOSE --config docker_ca.hcl provision --file docker.hcl

set-version.sh

@@ -0,0 +1,7 @@
+#!/bin/bash
+
+VERSION=${1:-$(git describe --tags --always --dirty 2>/dev/null || echo "dev")}
+# Allow git to track changes to version.go
+git update-index --no-assume-unchanged version.go
+# Hardcode the version into main.go
+sed -i '' "s/^var Version = .*/var Version = \"$VERSION\"/" version.go

version.go

@@ -0,0 +1,3 @@
+package main
+
+var Version = "v0.4.0"