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Changelog

All notable changes to the Simple DHCP Daemon project will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

[Unreleased]

Planned

  • Field validation, CI matrix expansion, coverage reports, packaging smoke tests.

[0.6.0] - 2026-04-04

Summary

Pre–1.0 release line aligned with integration + green default test suite and honest documentation. Tags v0.4.0 (production code), v0.5.0 (tests), v0.6.0 (this release + version bump).

Added

  • Sample multi-format configs under config/examples/ (ini, conf, json, yml).

Changed

  • Documentation: Reconciled README.md, project/*.md, docs/**, deployment and example READMEs with build/test reality (ctest 60/60). Canonical status: project/PROGRESS_REPORT.md.
  • CMake: PROJECT_VERSION set to 0.6.0.

Notes

  • v0.4.0 tag: advanced lease load + security manager fixes (commits up to feat(production): ...).
  • v0.5.0 tag: test suite alignment (test: align integration...).
  • Intermediate tags use historical commits; CMake version caught up at v0.6.0.

[0.3.0] - 2024-12-29

Added

  • Phase 3: Advanced DHCP Features - COMPLETE! 🎉
  • Advanced Lease Management
    • Dynamic lease allocation with conflict resolution
    • Static lease allocation with MAC-to-IP binding
    • Lease renewal and expiration handling
    • Lease database management with persistence
    • Lease history tracking and analytics
    • Subnet utilization monitoring
  • Comprehensive DHCP Options System
    • Standard DHCP options (1-255) with full support
    • Vendor-specific options with validation
    • Custom option support with templates
    • Option validation with length, format, and range checking
    • Option inheritance rules (global, subnet, pool, host)
    • Option 82 (Relay Agent Information) support
  • Advanced Security Features
    • DHCP Snooping with trusted interface validation and monitoring
    • MAC Address Filtering with wildcard/regex matching and management events
    • IP Address Filtering with CIDR/mask support and management events
    • Rate Limiting with sliding windows, block windows, and event reporting
    • Option 82: implementation, configuration, management, and monitoring
    • Client Authentication with HMAC-SHA256 and time-window validation
    • Security Event Logging with comprehensive audit trails
    • Trusted Relay Agent management
    • Client Credential management
    • Real-time Security Statistics tracking
  • Security Configuration Examples
    • Security-focused configuration example
    • Enhanced main configuration with all security features
    • Updated advanced configuration with comprehensive security
    • Complete security configuration reference documentation
  • Comprehensive Documentation
    • Security configuration reference guide
    • Security best practices documentation
    • Security troubleshooting guide
    • Security compliance features documentation

Changed

  • Enhanced main configuration with full security feature support
  • Updated advanced configuration with comprehensive security settings
  • Improved README with security features and configuration examples

Technical Achievements

  • All Phase 3 advanced features fully implemented and functional
  • Complete security framework with production-ready features
  • Comprehensive configuration system supporting all security features
  • Full documentation coverage for all new features
  • Build system updated to version 0.3.0

[0.2.1] - 2024-12-29

Added

  • Enhanced DMG installer with professional layout
  • Double-click installer script (Install Simple DHCP Daemon.command)
  • Double-click uninstaller script (Uninstall Simple DHCP Daemon.command)
  • Comprehensive README with installation instructions
  • Applications folder shortcut in DMG
  • Manual installation option with usr/ directory structure
  • Fixed PKG installer with proper distribution package
  • Professional installer experience for both DMG and PKG formats
  • Complete configuration examples (simple, advanced, production)
  • Comprehensive documentation structure
  • Apache 2.0 LICENSE file
  • WELCOME.txt for PKG installer

Changed

  • DMG installer now provides automated installation experience
  • PKG installer now shows packages and can be installed successfully
  • Improved package generation process with custom build scripts
  • Enhanced user experience for both installer formats

Fixed

  • PKG installer package selection issue (empty choices-outline)
  • DMG installer permissions and layout customization
  • Package generation errors and missing files
  • CMakeLists.txt configuration for proper packaging

[0.2.0] - 2024-12-29

Added

  • Complete DHCP protocol implementation
  • DHCP message parsing and generation
  • DHCP option handling system
  • DHCP lease management with database persistence
  • DHCP state machine implementation
  • UDP socket handling for DHCP communication
  • Broadcast and unicast message handling
  • Network interface management
  • IP address validation and subnet management
  • DHCP Discover, Offer, Request, ACK handling
  • DHCP Release, Decline, Inform handling
  • Comprehensive error handling and logging
  • JSON-based configuration management
  • Cross-platform build system (Linux, macOS, Windows)
  • Service integration (systemd, launchd, Windows)
  • Docker containerization support
  • Package generation (DEB, RPM, DMG, PKG, MSI)

Technical Details

  • C++17 implementation with modern features
  • Static linking for self-contained binaries
  • Thread-safe logging infrastructure
  • Hot-reloadable configuration system
  • Comprehensive test suite
  • CI/CD pipeline integration

[0.1.0] - 2024-12-29

Added

  • Project structure and build system
  • CMake configuration with static linking support
  • Cross-platform build scripts (Linux, macOS, Windows)
  • CI/CD pipeline setup (Travis CI, Jenkins)
  • Basic daemon framework with signal handling
  • Configuration management system
  • Logging infrastructure with multiple output formats
  • Graceful shutdown and restart capabilities
  • Standardized Makefile with comprehensive targets
  • Deployment configurations for all platforms:
    • systemd service files
    • macOS LaunchDaemon plist
    • Windows service configuration
  • Docker containerization with multi-stage builds
  • Package generation support:
    • DEB packages for Debian/Ubuntu
    • RPM packages for Red Hat/CentOS
    • DMG packages for macOS
    • MSI packages for Windows
  • Comprehensive documentation structure
  • Development roadmap and checklist
  • Risk assessment and success metrics
  • Testing strategy and quality assurance

Technical Foundation

  • Modern C++ build system with CMake
  • Cross-platform compatibility
  • Professional packaging and deployment
  • Comprehensive documentation
  • Development workflow automation
  • Quality assurance processes

Version History Summary

  • v0.1.0: Foundation - Complete build system, deployment configs, and infrastructure
  • v0.2.0: Core DHCP Protocol - Full DHCP server implementation with all essential features
  • v0.2.1: Enhanced Packaging - Professional installers and improved user experience
  • v0.3.0: Phase 3 advanced DHCP / security / options (2024-12-29)
  • v0.4.0 (tag): Advanced lease load + security manager hardening (April 2026)
  • v0.5.0 (tag): Default test target aligned with APIs (April 2026)
  • v0.6.0: Docs reconciliation + CMake 0.6.0 + sample configs (April 2026)

Next Releases

  • v0.3.0: Shipped 2024-12-29 (Phase 3 feature drop).
  • v0.4.0 / v0.5.0 / v0.6.0: April 2026 tags — production integration, test suite, then docs + CMake 0.6.0 (see git tags).
  • v1.0.0 (future): Not released — requires checklist in project/PRODUCTION_READINESS.md (CI, field validation, coverage/packaging as claimed).