Function analyzeKeyFile

cmd/fssh/setup_keys.go:251–276

analyzeKeyFile analyzes a potential SSH key file

(path string)

// analyzeKeyFile analyzes a potential SSH key file
func analyzeKeyFile(path string) *SSHKeyInfo {
	data, err := os.ReadFile(path)
	if err != nil {
		return nil
	}

	// Try to parse as private key
	_, err = ssh.ParseRawPrivateKey(data)

	info := &SSHKeyInfo{
		Path:     path,
		Filename: filepath.Base(path),
	}

	if err != nil {
		// Check if it's an encrypted key
		if _, ok := err.(*ssh.PassphraseMissingError); ok {
			info.IsEncrypted = true
		} else {
			// Not a valid private key
			return nil
		}
	}

	return info
}

// generateAlias generates a suggested alias from the filename
func generateAlias(filename string) string {