blob: c3e9759faa68e835c7ff4ce1acb9c68fd2c41b70 (
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#!/usr/bin/env bash
set -euo pipefail
if [[ "$(id -u)" -ne 0 ]]; then
echo >&2 "Run with sudo"
exit 1
fi
if [[ $# -eq 0 ]]; then
server_exec=./server
elif [[ $# -eq 1 ]]; then
server_exec="$1"
else
echo >&2 "Usage: $0 [server executable]"
echo >&2 "By default runs ./server"
exit 1
fi
if [[ ! -x "$server_exec" ]]; then
echo >&2 "Cannot execute server executable $server_exec"
exit 1
fi
echo 1 >/proc/sys/net/ipv4/icmp_echo_ignore_all
trap "echo 0 >/proc/sys/net/ipv4/icmp_echo_ignore_all" EXIT
"$server_exec"
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