#! /usr/bin/env bash

#  Copyright (C) 2016 Daniel Watson
#  See the end of the file for license conditions.
#   GNU AGPLv3 (or later at your option)
#   https://challenge-bot.com/

set -o nounset
set -o errexit

ETH="${1}"
sudo ifconfig "${ETH}" 192.168.7.1
sudo iptables \
     --table nat \
     --append POSTROUTING \
     --out-interface wlan0 \
     -j MASQUERADE
sudo iptables --append FORWARD --in-interface "${ETH}" -j ACCEPT
echo 1 | sudo tee /proc/sys/net/ipv4/ip_forward > /dev/null

# Challenge-bot is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.

# GNU Affero Emacs is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU Affero General Public License for more details.

# You should have received a copy of the GNU Affero General Public License
# along with challenge-bot.  If not, see <http://www.gnu.org/licenses/>.