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#!/bin/sh
set -e
case "$1" in
remove|deconfigure)
# Stop offering the tunnels, but leave strongSwan itself enabled: it is
# a shared service and may be in use by something other than this
# package. The connection files are removed on purge.
# The site-to-site connections are the names of site_to_site in vpn-router.json.
if [ -d /run/systemd/system ]; then
connections="$(python3 -c 'import json, sys; print(" ".join(json.load(open(sys.argv[1])).get("site_to_site", {})))' \
/etc/vpn-router/vpn-router.json 2>/dev/null || true)"
for connection in $connections; do
swanctl --terminate --ike "$connection" >/dev/null 2>&1 || true
done
swanctl --terminate --ike road-warrior >/dev/null 2>&1 || true
fi
# vpn-router-setup enabled wg-quick@wg0, openvpn-server@vpn-router,
# caddy, vpn-router-metrics, the backup timer and the PKI timer, so the
# package takes them down again. Use the debhelper wrappers rather than
# systemctl, so the script behaves on a machine without systemd.
for unit in wg-quick@wg0.service openvpn-server@vpn-router.service caddy.service vpn-router-metrics.service \
vpn-router-backup.timer vpn-router-pki.timer; do
if command -v deb-systemd-invoke >/dev/null 2>&1; then
deb-systemd-invoke stop "$unit" >/dev/null 2>&1 || true
fi
if command -v deb-systemd-helper >/dev/null 2>&1; then
deb-systemd-helper disable "$unit" >/dev/null 2>&1 || true
fi
done
;;
esac
#DEBHELPER#