87 lines
3.7 KiB
Bash
Executable File
87 lines
3.7 KiB
Bash
Executable File
#!/bin/sh
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set -e
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BEFORE_RULES=/etc/ufw/before.rules
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# Remove the rule blocks this package inserted, together with the single blank
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# line that precedes each one, so before.rules returns to its original content.
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strip_ufw_blocks() {
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[ -f "$BEFORE_RULES" ] || return 0
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grep -q '^# ROUTER MSS RULES START$\|^# IPSEC RULES START$' "$BEFORE_RULES" || return 0
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tmp="$(mktemp)"
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awk '
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/^# (IPSEC|WIREGUARD|OPENVPN|P2S DNS|WEB|BOOTSTRAP|MANAGER|HTTPS|METRICS|ROUTER FORWARD|ROUTER NAT|ROUTER MSS) RULES START$/ {
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skip = 1; pending = 0; next
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}
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/^# (IPSEC|WIREGUARD|OPENVPN|P2S DNS|WEB|BOOTSTRAP|MANAGER|HTTPS|METRICS|ROUTER FORWARD|ROUTER NAT|ROUTER MSS) RULES END$/ {
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skip = 0; next
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}
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skip { next }
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/^$/ { pending++; next }
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{
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while (pending > 0) { print ""; pending-- }
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print
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}
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END { while (pending > 0) { print ""; pending-- } }
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' "$BEFORE_RULES" > "$tmp"
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cat "$tmp" > "$BEFORE_RULES"
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rm -f "$tmp"
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}
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case "$1" in
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purge)
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strip_ufw_blocks
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# Let ucf forget the file before it is removed, or a reinstall finds a
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# stale hash and declines to lay the file down again.
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if command -v ucf >/dev/null 2>&1; then
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ucf --purge /etc/vpn-router/vpn-router.json
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fi
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if command -v ucfr >/dev/null 2>&1; then
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ucfr --purge vpn-router /etc/vpn-router/vpn-router.json
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fi
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rm -f /etc/swanctl/conf.d/site-to-site.conf \
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/etc/swanctl/conf.d/road-warrior.conf \
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/etc/systemd/resolved.conf.d/p2s-forwarder.conf \
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/etc/wireguard/wg0.conf \
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/etc/openvpn/server/vpn-router.conf \
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/etc/openvpn/server/vpn-router-ldap.conf \
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/etc/caddy/vpn-router.Caddyfile \
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/etc/vpn-router/vpn-router.json \
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/etc/vpn-router/web.key \
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/etc/vpn-router/metrics.secret \
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/etc/systemd/system/vpn-router-backup.timer.d/schedule.conf \
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/etc/sudoers.d/vpn-router \
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/etc/ssh/sshd_config.d/vpn-router.conf \
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/var/lib/vpn-router/setup.done \
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/var/lib/vpn-router/backup.json
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rmdir --ignore-fail-on-non-empty /etc/systemd/system/vpn-router-backup.timer.d 2>/dev/null || true
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# The name service no longer looks up the console accounts of the router's directory.
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sed -i '/^passwd:/s/ ldap\b//' /etc/nsswitch.conf
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rm -rf /var/lib/vpn-router/backup/staging /var/lib/vpn-router/backup/restore \
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/var/lib/vpn-router/pki-publish /etc/caddy/vpn-router-pki \
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/etc/openvpn/server/vpn-router-ca.pem /etc/openvpn/server/vpn-router-crl.pem
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rmdir --ignore-fail-on-non-empty /var/lib/vpn-router/backup /var/lib/vpn-router 2>/dev/null || true
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# The refresh tokens' database and role, when the package created them.
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if [ -f /etc/vpn-router/database.secret ] && command -v psql >/dev/null 2>&1; then
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runuser -u postgres -- psql -X -q -c 'DROP DATABASE IF EXISTS "vpn-router"' || true
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runuser -u postgres -- psql -X -q -c 'DROP ROLE IF EXISTS "vpn-router"' || true
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fi
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rm -f /etc/vpn-router/database.secret
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# Key material and users are not package state: /etc/vpn-router/pki,
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# /etc/vpn-router/ldap, /etc/vpn-router/rclone.conf, the user directory
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# in slapd, the WireGuard key pair, everything under /etc/swanctl, the
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# backups and what a restore replaced are left in place. Caddy stays
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# installed, so its repository, which vpn-router-caddy configures, stays
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# too.
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rmdir --ignore-fail-on-non-empty /etc/vpn-router 2>/dev/null || true
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;;
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esac
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#DEBHELPER#
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