1#!/bin/bash 2# SPDX-License-Identifier: GPL-2.0 3 4NR_FILES=32768 5SAVED_NR_FILES=$(ulimit -n) 6 7# default values 8port=443 9addr_v6="2001:0db8:0:f101::1" 10addr_v4="10.8.8.8" 11use_v6=true 12addr="" 13 14usage() { 15 echo "Usage: $0 [-6 | -4] [-p port] [-a address]" 16 echo -e "\t6: use ipv6" 17 echo -e "\t4: use ipv4" 18 echo -e "\tport: Port number" 19 echo -e "\taddress: ip address" 20} 21 22while getopts "ha:p:64" opt; do 23 case ${opt} in 24 h) 25 usage $0 26 exit 0 27 ;; 28 a) addr=$OPTARG;; 29 p) 30 port=$OPTARG;; 31 6) 32 use_v6=true;; 33 4) 34 use_v6=false;; 35 esac 36done 37 38setup() { 39 if [[ "$use_v6" == true ]]; then 40 ip addr add $addr_v6 nodad dev eth0 41 else 42 ip addr add $addr_v4 dev lo 43 fi 44 ulimit -n $NR_FILES 45} 46 47cleanup() { 48 if [[ "$use_v6" == true ]]; then 49 ip addr del $addr_v6 dev eth0 50 else 51 ip addr del $addr_v4/32 dev lo 52 fi 53 ulimit -n $SAVED_NR_FILES 54} 55 56if [[ "$addr" != "" ]]; then 57 addr_v4=$addr; 58 addr_v6=$addr; 59fi 60setup 61if [[ "$use_v6" == true ]] ; then 62 ./bind_bhash $port "ipv6" $addr_v6 63else 64 ./bind_bhash $port "ipv4" $addr_v4 65fi 66cleanup 67