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#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
#
# Copyright (C) 2015-2019 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
set -e
exec 3>&1
export WG_HIDE_KEYS=never
netns0="wg-test-$$-0"
netns1="wg-test-$$-1"
netns2="wg-test-$$-2"
pretty() { echo -e "\x1b[32m\x1b[1m[+] ${1:+NS$1: }${2}\x1b[0m" >&3; }
pp() { pretty "" "$*"; "$@"; }
maybe_exec() { if [[ $BASHPID -eq $$ ]]; then "$@"; else exec "$@"; fi; }
n0() { pretty 0 "$*"; maybe_exec ip netns exec $netns0 "$@"; }
n1() { pretty 1 "$*"; maybe_exec ip netns exec $netns1 "$@"; }
n2() { pretty 2 "$*"; maybe_exec ip netns exec $netns2 "$@"; }
ip0() { pretty 0 "ip $*"; ip -n $netns0 "$@"; }
ip1() { pretty 1 "ip $*"; ip -n $netns1 "$@"; }
ip2() { pretty 2 "ip $*"; ip -n $netns2 "$@"; }
cleanup() {
set +e
exec 2>/dev/null
ip0 link del dev wg0
ip1 link del dev wg0
ip2 link del dev wg0
local to_kill="$(ip netns pids $netns0) $(ip netns pids $netns1) $(ip netns pids $netns2)"
[[ -n $to_kill ]] && kill $to_kill
pp ip netns del $netns0
pp ip netns del $netns1
pp ip netns del $netns2
exit
}
trap cleanup EXIT
ip netns del $netns0 2>/dev/null || true
ip netns del $netns1 2>/dev/null || true
ip netns del $netns2 2>/dev/null || true
pp ip netns add $netns0
pp ip netns add $netns1
pp ip netns add $netns2
ip0 link set up dev lo
ip0 link add dev wg0 type wireguard
ip0 link set wg0 netns $netns1
ip0 link add dev wg0 type wireguard
ip0 link set wg0 netns $netns2
server_private=$(wg genkey)
server_public=$(wg pubkey <<< $server_private)
client_private=$(wg genkey)
client_public=$(wg pubkey <<< $client_private)
configure_peers() {
ip1 addr add fe80::/64 dev wg0
ip2 addr add fe80::badc:0ffe:e0dd:f00d/128 dev wg0
n1 wg set wg0 \
private-key <(echo $server_private) \
listen-port 1 \
peer $client_public \
allowed-ips fe80::badc:0ffe:e0dd:f00d/128
n2 wg set wg0 \
private-key <(echo $client_private) \
listen-port 2 \
peer $server_public \
allowed-ips 0.0.0.0/0,::/0
ip1 link set up dev wg0
ip2 link set up dev wg0
ip2 route add fe80::/128 dev wg0
ip1 route add 192.168.4.0/28 dev wg0
ip1 route add 192.168.73.0/27 dev wg0
ip1 route add 2001:db8:1234::/124 dev wg0
ip1 route add 2001:db8:7777::/124 dev wg0
}
configure_peers
n1 wg set wg0 peer "$client_public" endpoint [::1]:2
n2 wg set wg0 peer "$server_public" endpoint [::1]:1
n2 ping6 -c 10 -f -W 1 fe80::%wg0
n1 ping6 -c 10 -f -W 1 fe80::badc:0ffe:e0dd:f00d%wg0
n1 ./wg-dynamic-server --leasetime 10 wg0
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