ShellCrash/clash_redir_config/clashservice

#!/bin/sh /etc/rc.common
# Example script
# Copyright (C) 2007 OpenWrt.org

USE_PROCD=1
START=99

start_service() {
    #创建clash后台进程
	procd_open_instance
	procd_set_param respawn
	procd_set_param stderr 1
	procd_set_param stdout 1
	procd_set_param command /etc/clash/clash -d /etc/clash
	procd_close_instance
    #修改iptables规则使流量进入clash
	iptables -t nat -N clash
	iptables -t nat -A clash -p tcp -j REDIRECT --to-ports 7892
	iptables -t nat -A PREROUTING -p tcp -j clash
	iptables -t nat -A PREROUTING -p udp --dport 53 -j REDIRECT --to 1053
}
stop_service() {
    #重置iptables规则
	iptables -t nat -D PREROUTING -p tcp -j clash
	iptables -t nat -F clash
	iptables -t nat -X clash
	iptables -t nat -D PREROUTING -p udp --dport 53 -j REDIRECT --to 1053
}