#!/bin/sh
# DF-0860 run script.
#
# REQUIRES: root (the netgraph control socket needs SYSCAP_RESTRICTEDROOT,
#           euid 0) AND `kldload ng_socket` (root) first.
#
# Optional: pass an integer leak_bytes (default 128), or set LEAK_BYTES.
set -e
cd "$(dirname "$0")"

# Make sure the netgraph socket module is loaded (root).
if [ "$(id -u)" != "0" ]; then
  echo "DF-0860: must run as root (netgraph control socket requires euid 0)" >&2
  exit 2
fi
kldload -n ng_socket 2>/dev/null || true

LEAK="${1:-${LEAK_BYTES:-128}}"
echo "# running as $(id)"
echo "# leak_bytes (lying arglen) = $LEAK"
./df0860 "$LEAK"