wireguard-tools/contrib/stress-testing/self-send.sh

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#!/bin/bash
set -e
PRIVATE_KEYS=("")
PUBLIC_KEYS=("")
resetwg() {
for i in {1..64}; do
ip link delete dev wg${i} 2>/dev/null >/dev/null || true
done
}
for i in {1..64}; do
next_key="$(wg genkey)"
PRIVATE_KEYS+=("$next_key")
PUBLIC_KEYS+=($(wg pubkey <<<"$next_key"))
done
resetwg
trap resetwg INT TERM EXIT
for i in {1..64}; do
{ echo "[Interface]"
echo "ListenPort = $(( $i + 31222 ))"
echo "PrivateKey = ${PRIVATE_KEYS[$i]}"
for j in {1..64}; do
[[ $i == $j ]] && continue
echo "[Peer]"
echo "PublicKey = ${PUBLIC_KEYS[$j]}"
echo "AllowedIPs = 192.168.8.${j}/32"
echo "Endpoint = 127.0.0.1:$(( $j + 31222 ))"
done
} > "/tmp/deviceload.conf"
ip link add dev wg${i} type wireguard
wg setconf wg${i} "/tmp/deviceload.conf"
ip link set up dev wg${i}
rm "/tmp/deviceload.conf"
done
ip address add dev wg1 192.168.8.1/24
while true; do
for i in {2..64}; do
echo hello | ncat -u 192.168.8.${i} 1234
done
done