5d577b624f
Detects binary/config tampering by content hash — catching a malicious swap even when mtime is preserved (the gap in mtime-based persistence checks). Two engines split by file ownership: - fim.py hash baseline: SHA-256 (+ mode/uid/gid/size) of security-critical files the package manager doesn't track (/usr/local, /etc configs, systemd units, SSH keys). The baseline refreshes ONLY via fim-update / the pacman hook, so a flagged change stays flagged until acknowledged (Tripwire semantics). Alerts: fim_modified 100017 / fim_added 100018 / fim_removed 100019. - package verification: `pacman -Qkk` checks package-owned binaries against the distro's own signed checksums — no baseline to maintain, implicitly current because the package DB updates on every upgrade. fim_pkg_modified 100020. Auto-update on system updates: a pacman PostTransaction hook runs `enodia-sentinel fim-update` after every install/upgrade/remove, so legitimate package changes never alert — no manual `tripwire --update`. - daemon: backgrounded FIM scan + optional pkg-verify on slow cadences, feeding the normal alert/snapshot/push pipeline; baseline loaded/built at startup - cli: fim-baseline / fim-update / fim-check [--packages] - config: fim_enabled, fim_paths, fim_scan_interval, fim_pkg_verify[_interval] - packaging: ship + install the pacman hook (Makefile + PKGBUILD) - tests: +7 (hashing, diff incl. mtime-preserving tamper, pacman -Qkk parse). 72/72 pass. Verified end-to-end: a content swap with preserved mtime is caught. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
70 lines
2.5 KiB
Makefile
70 lines
2.5 KiB
Makefile
PREFIX ?= /usr/local
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BINDIR := $(PREFIX)/bin
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LIBDIR := $(PREFIX)/lib/enodia-sentinel
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SYSTEMDDIR := /etc/systemd/system
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CONFDIR := /etc
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LOGDIR := /var/log/enodia-sentinel
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.PHONY: install uninstall enable disable status logs check baseline drill test clean
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# Installs the stdlib-only Python package as a plain directory + launcher
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# wrapper (no pip, no virtualenv, no site-packages). Zero runtime deps.
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install:
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install -d $(DESTDIR)$(LIBDIR)
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cp -r enodia_sentinel $(DESTDIR)$(LIBDIR)/
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install -Dm755 packaging/enodia-sentinel.wrapper $(DESTDIR)$(BINDIR)/enodia-sentinel
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install -Dm755 src/sentinel-redteam $(DESTDIR)$(BINDIR)/sentinel-redteam
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install -Dm644 systemd/enodia-sentinel.service $(DESTDIR)$(SYSTEMDDIR)/enodia-sentinel.service
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install -Dm644 systemd/enodia-sentinel-web.service $(DESTDIR)$(SYSTEMDDIR)/enodia-sentinel-web.service
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install -Dm644 packaging/enodia-sentinel-fim.hook $(DESTDIR)/etc/pacman.d/hooks/enodia-sentinel-fim.hook
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@if [ ! -e "$(DESTDIR)$(CONFDIR)/enodia-sentinel.toml" ]; then \
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install -Dm644 config/enodia-sentinel.toml $(DESTDIR)$(CONFDIR)/enodia-sentinel.toml; \
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echo "Installed default config at $(CONFDIR)/enodia-sentinel.toml"; \
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else \
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install -Dm644 config/enodia-sentinel.toml $(DESTDIR)$(CONFDIR)/enodia-sentinel.toml.new; \
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echo "Existing config preserved; new template at $(CONFDIR)/enodia-sentinel.toml.new"; \
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fi
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install -dm750 $(DESTDIR)$(LOGDIR)
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@echo "Installed. Run 'sudo make enable' to start the service."
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uninstall:
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rm -rf $(DESTDIR)$(LIBDIR)
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rm -f $(DESTDIR)$(BINDIR)/enodia-sentinel
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rm -f $(DESTDIR)$(BINDIR)/sentinel-redteam
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rm -f $(DESTDIR)$(SYSTEMDDIR)/enodia-sentinel.service
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rm -f $(DESTDIR)$(SYSTEMDDIR)/enodia-sentinel-web.service
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rm -f $(DESTDIR)/etc/pacman.d/hooks/enodia-sentinel-fim.hook
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rm -f $(DESTDIR)$(CONFDIR)/enodia-sentinel.toml.new
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@echo "Uninstalled. Config and logs preserved."
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enable:
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systemctl daemon-reload
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systemctl enable --now enodia-sentinel.service
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disable:
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systemctl disable --now enodia-sentinel.service
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status:
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systemctl status enodia-sentinel.service --no-pager
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logs:
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journalctl -u enodia-sentinel.service -f
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# Dev targets — run from the repo without installing.
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test:
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python3 -m unittest discover -s tests -v
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check:
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python3 -m enodia_sentinel.cli check
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baseline:
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python3 -m enodia_sentinel.cli baseline
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web:
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python3 -m enodia_sentinel.cli web
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drill:
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./src/sentinel-redteam
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clean:
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find . -type d -name __pycache__ -prune -exec rm -rf {} +
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