#!/usr/bin/env bash
# M2 gate 1: default policy pass + stateful transit + state visibility
set -uo pipefail; cd "$(dirname "$0")"; . ./lib.sh
pf0 'rmmod pf 2>/dev/null; insmod /tmp/pf.ko; /opt/pf/pfctl -e; /opt/pf/pfctl -f /dev/null; echo READY' | grep -q READY || { bad load; finish; }
pf0 'echo "pass in quick proto icmp keep state
pass out quick proto icmp keep state" | /opt/pf/pfctl -f -' || bad rules
cli "ping -c 3 -W 2 $SRV_IP >/dev/null 2>&1" && ok "transit ping" || bad "transit ping"
N=$(pf0 '/opt/pf/pfctl -s states | grep -c icmp'); [ "${N:-0}" -ge 1 ] && ok "icmp state present ($N)" || bad "no state"
pf0 '/opt/pf/pfctl -d' >/dev/null; finish