Changelog

All notable changes to this project will be documented in this file.

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

1.0.0 - 2026-06-20

Added a POSIX-compliant dynDNS management script for database-backed hostname lifecycle operations and DNS zone updates.
Added the commands add-hostname, check-hostname, remove-hostname, and update-zone.
Added hostname validation as well as subdomain and domain extraction helpers.
Added database helper functions for SQL execution, scalar queries, and SQL string escaping.
Added member provisioning in the database, including related records in members, connections, and login_attempts.
Added salted SHA-512 password hashing for stored member credentials.
Added runtime checks for required commands, directories, files, and environment variables.
Added structured logging, temporary file handling, and cleanup helpers.
Added dynamic DNS zone synchronization by comparing database records with the current zone file.
Added DNS update generation and application through nsupdate, including rndc freeze and thaw handling.

Implemented hostname removal with automatic detection of foreign keys using ON DELETE CASCADE.
Added a compatibility fallback for explicit child-table deletion when cascading foreign keys are not available.

Fixed hostname removal compatibility across different database schema states by supporting both cascading and non-cascading delete paths.