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#!/usr/bin/env bash
PATH=/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:~/bin
export PATH
#=================================================
# System Required: Debian/Ubuntu
# Description: Socat
# Version: 1.0.5
# Author: Toyo
# Blog: https://doub.io/wlzy-18/
#=================================================
sh_ver="1.0.5"
socat_file="/usr/bin/socat"
socat_log_file="/tmp/socat.log"
Green_font_prefix="\033[32m" && Red_font_prefix="\033[31m" && Green_background_prefix="\033[42;37m" && Red_background_prefix="\033[41;37m" && Font_color_suffix="\033[0m"
Info="${Green_font_prefix}[信息]${Font_color_suffix}" && Error="${Red_font_prefix}[错误]${Font_color_suffix}" && Tip="${Green_font_prefix}[注意]${Font_color_suffix}"
Save_iptables(){
iptables-save > /etc/iptables.up.rules
}
Set_iptables(){
iptables-save > /etc/iptables.up.rules
echo -e '#!/bin/bash\n/sbin/iptables-restore < /etc/iptables.up.rules' > /etc/network/if-pre-up.d/iptables
chmod +x /etc/network/if-pre-up.d/iptables
}
check_socat(){
[[ ! -e ${socat_file} ]] && echo -e "${Error} 没有安装Socat，请检查 !" && exit 1
}
check_sys(){
if [[ -f /etc/redhat-release ]]; then
release="centos"
elif cat /etc/issue | grep -q -E -i "debian"; then
release="debian"
elif cat /etc/issue | grep -q -E -i "ubuntu"; then
release="ubuntu"
elif cat /etc/issue | grep -q -E -i "centos|red hat|redhat"; then
release="centos"
elif cat /proc/version | grep -q -E -i "debian"; then
release="debian"
elif cat /proc/version | grep -q -E -i "ubuntu"; then
release="ubuntu"
elif cat /proc/version | grep -q -E -i "centos|red hat|redhat"; then
release="centos"
fi
#bit=`uname -m`
}
installSocat(){
[[ -e ${socat_file} ]] && echo -e "${Error} 已经安装Socat，请检查 !" && exit 1
apt-get update
apt-get install -y socat
Set_iptables
chmod +x /etc/rc.local
# echo "nameserver 8.8.8.8" > /etc/resolv.conf
# echo "nameserver 8.8.4.4" >> /etc/resolv.conf
socat_exist=`socat -h`
if [[ ! -e ${socat_file} ]]; then
echo -e "${Error} 安装Socat失败，请检查 !" && exit 1
else
echo -e "${Info} Socat 安装完成 !"
fi
}
addSocat(){
# 判断是否安装Socat
check_socat
# 设置本地监听端口
while true
do
echo -e "请输入 Socat 的 本地监听端口 [1-65535]"
read -e -p "(默认端口: 23333):" Socatport
[[ -z "$Socatport" ]] && Socatport="23333"
echo $((${Socatport}+0)) &>/dev/null
if [[ $? -eq 0 ]]; then
if [[ ${Socatport} -ge 1 ]] && [[ ${Socatport} -le 65535 ]]; then
echo
echo "——————————————————————————————"
echo -e " 本地监听端口 : ${Red_background_prefix} ${Socatport} ${Font_color_suffix}"
echo "——————————————————————————————"
echo
break
else
echo -e "${Error} 请输入正确的数字 !"
fi
else
echo -e "${Error} 请输入正确的数字 !"
fi
done
# 设置欲转发端口
while true
do
echo -e "请输入 Socat 远程被转发 端口 [1-65535]"
read -e -p "(默认端口: ${Socatport}):" Socatport1
[[ -z "$Socatport1" ]] && Socatport1=${Socatport}
echo $((${Socatport1}+0)) &>/dev/null
if [[ $? -eq 0 ]]; then
if [[ ${Socatport1} -ge 1 ]] && [[ ${Socatport1} -le 65535 ]]; then
echo
echo "——————————————————————————————"
echo -e " 远程转发端口 : ${Red_background_prefix} ${Socatport1} ${Font_color_suffix}"
echo "——————————————————————————————"
echo
break
else
echo -e "${Error} 请输入正确的数字 !"
fi
else
echo -e "${Error} 请输入正确的数字 !"
fi
done
# 设置欲转发 IP
read -e -p "请输入 Socat 远程被转发 IP:" socatip
[[ -z "${socatip}" ]] && echo "取消..." && exit 1
echo
echo "——————————————————————————————"
echo -e " 远程转发 IP : ${Red_background_prefix} ${socatip} ${Font_color_suffix}"
echo "——————————————————————————————"
echo
#设置 转发类型
echo "请输入数字 来选择 Socat 转发类型:"
echo "1. TCP"
echo "2. UDP"
echo "3. TCP+UDP"
echo
read -e -p "(默认: TCP+UDP):" socattype_num
[[ -z "${socattype_num}" ]] && socattype_num="3"
if [[ ${socattype_num} = "1" ]]; then
socattype="TCP"
elif [[ ${socattype_num} = "2" ]]; then
socattype="UDP"
elif [[ ${socattype_num} = "3" ]]; then
socattype="TCP+UDP"
else
socattype="TCP+UDP"
fi
#最后确认
echo
echo "——————————————————————————————"
echo " 请检查 Socat 配置是否有误 !"
echo
echo -e " 本地监听端口\t : ${Red_background_prefix} ${Socatport} ${Font_color_suffix}"
echo -e " 远程转发 IP\t : ${Red_background_prefix} ${socatip} ${Font_color_suffix}"
echo -e " 远程转发端口\t : ${Red_background_prefix} ${Socatport1} ${Font_color_suffix}"
echo -e " 转发类型\t : ${Red_background_prefix} ${socattype} ${Font_color_suffix}"
echo "——————————————————————————————"
echo
read -e -p "请按任意键继续，如有配置错误请使用 Ctrl+C 退出。" var
startSocat
# 获取IP
ip=`wget -qO- -t1 -T2 ipinfo.io/ip`
[[ -z $ip ]] && ip="ip"
clear
echo
echo "——————————————————————————————"
echo " Socat 已启动 !"
echo
echo -e " 本地监听 IP\t : ${Red_background_prefix} ${ip} ${Font_color_suffix}"
echo -e " 本地监听端口\t : ${Red_background_prefix} ${Socatport} ${Font_color_suffix}"
echo
echo -e " 远程转发 IP\t : ${Red_background_prefix} ${socatip} ${Font_color_suffix}"
echo -e " 远程转发端口\t : ${Red_background_prefix} ${Socatport1} ${Font_color_suffix}"
echo -e " 转发类型\t : ${Red_background_prefix} ${socattype} ${Font_color_suffix}"
echo "——————————————————————————————"
echo
}
startSocat(){
if [[ ${socattype} = "TCP" ]]; then
runSocat "TCP4"
sleep 2s
PID=`ps -ef | grep "socat TCP4-LISTEN:${Socatport}" | grep -v grep | awk '{print $2}'`
[[ -z $PID ]] && echo -e "${Error} Socat TCP 启动失败 !" && exit 1
addLocal "TCP4"
iptables -I INPUT -p tcp --dport ${Socatport} -j ACCEPT
elif [[ ${socattype} = "UDP" ]]; then
runSocat "UDP4"
sleep 2s
PID=`ps -ef | grep "socat UDP4-LISTEN:${Socatport}" | grep -v grep | awk '{print $2}'`
[[ -z $PID ]] && echo -e "${Error} Socat UDP 启动失败 !" && exit 1
addLocal "UDP4"
iptables -I INPUT -p udp --dport ${Socatport} -j ACCEPT
elif [[ ${socattype} = "TCP+UDP" ]]; then
runSocat "TCP4"
runSocat "UDP4"
sleep 2s
PID=`ps -ef | grep "socat TCP4-LISTEN:${Socatport}" | grep -v grep | awk '{print $2}'`
PID1=`ps -ef | grep "socat UDP4-LISTEN:${Socatport}" | grep -v grep | awk '{print $2}'`
if [[ -z $PID ]]; then
echo -e "${Error} Socat TCP 启动失败 !" && exit 1
else
[[ -z $PID1 ]] && echo -e "${Error} Socat TCP 启动成功，但 UDP 启动失败 !"
addLocal "TCP4"
addLocal "UDP4"
iptables -I INPUT -p tcp --dport ${Socatport} -j ACCEPT
iptables -I INPUT -p udp --dport ${Socatport} -j ACCEPT
fi
fi
Save_iptables
}
runSocat(){
nohup socat $1-LISTEN:${Socatport},reuseaddr,fork $1:${socatip}:${Socatport1} >> ${socat_log_file} 2>&1 &
}
addLocal(){
sed -i '/exit 0/d' /etc/rc.local
echo -e "nohup socat $1-LISTEN:${Socatport},reuseaddr,fork $1:${socatip}:${Socatport1} >> ${socat_log_file} 2>&1 &" >> /etc/rc.local
[[ ${release} == "debian" ]] && echo -e "exit 0" >> /etc/rc.local
}
# 查看Socat列表
listSocat(){
# 检查是否安装
check_socat
socat_total=`ps -ef | grep socat | grep -v grep | grep -v "socat.sh" | wc -l`
if [[ ${socat_total} = "0" ]]; then
echo -e "${Error} 没有发现 Socat 进程运行，请检查 !" && exit 1
fi
socat_list_all=""
for((integer = 1; integer <= ${socat_total}; integer++))
do
socat_all=`ps -ef | grep socat | grep -v grep | grep -v "socat.sh"`
socat_type=`echo -e "${socat_all}" | awk '{print $9}' | sed -n "${integer}p" | cut -c 1-4`
socat_listen=`echo -e "${socat_all}" | awk '{print $9}' | sed -n "${integer}p" | sed -r 's/.*LISTEN:(.+),reuseaddr.*/\1/'`
socat_fork=`echo -e "${socat_all}" | awk '{print $10}' | sed -n "${integer}p" | cut -c 6-26`
socat_pid=`echo -e "${socat_all}" | awk '{print $2}' | sed -n "${integer}p"`
socat_list_all=${socat_list_all}"${Green_font_prefix}"${integer}". ${Font_color_suffix}进程PID: ${Red_font_prefix}"${socat_pid}"${Font_color_suffix} 类型: ${Red_font_prefix}"${socat_type}"${Font_color_suffix} 监听端口: ${Green_font_prefix}"${socat_listen}"${Font_color_suffix} 转发IP和端口: ${Green_font_prefix}"${socat_fork}"${Font_color_suffix}\n"
done
echo
echo -e "当前有${Green_background_prefix}" ${socat_total} "${Font_color_suffix}个Socat转发进程。"
echo -e ${socat_list_all}
}
delSocat(){
# 检查是否安装
check_socat
# 判断进程是否存在
PID=`ps -ef | grep socat | grep -v grep | grep -v "socat.sh" | awk '{print $2}'`
if [[ -z $PID ]]; then
echo -e "${Error} 没有发现 Socat 进程运行，请检查 !" && exit 1
fi
while true
do
# 列出 Socat
listSocat
read -e -p "请输入数字 来选择要终止的 Socat 进程:" stopsocat
[[ -z "${stopsocat}" ]] && stopsocat="0"
echo $((${stopsocat}+0)) &>/dev/null
if [[ $? -eq 0 ]]; then
if [[ ${stopsocat} -ge 1 ]] && [[ ${stopsocat} -le ${socat_total} ]]; then
# 删除开机启动
socat_del_rc1=`ps -ef | grep socat | grep -v grep | grep -v "socat.sh" | awk '{print $8}' | sed -n "${stopsocat}p"`
socat_del_rc2=`ps -ef | grep socat | grep -v grep | grep -v "socat.sh" | awk '{print $9}' | sed -n "${stopsocat}p"`
socat_del_rc3=`ps -ef | grep socat | grep -v grep | grep -v "socat.sh" | awk '{print $10}' | sed -n "${stopsocat}p"`
socat_del_rc4=${socat_del_rc1}" "${socat_del_rc2}" "${socat_del_rc3}
#echo ${socat_del_rc4}
sed -i "/${socat_del_rc4}/d" /etc/rc.local
# 删除防火墙规则
socat_listen=`ps -ef | grep socat | grep -v grep | grep -v "socat.sh" | awk '{print $9}' | sed -n "${stopsocat}p" | sed -r 's/.*LISTEN:(.+),reuseaddr.*/\1/'`
socat_type=`ps -ef | grep socat | grep -v grep | grep -v "socat.sh" | awk '{print $9}' | sed -n "${stopsocat}p" | cut -c 1-4`
if [[ ${socat_type} = "TCP4" ]]; then
iptables -D INPUT -p tcp --dport ${socat_listen} -j ACCEPT
else
iptables -D INPUT -p udp --dport ${socat_listen} -j ACCEPT
fi
Save_iptables
socat_total=`ps -ef | grep socat | grep -v grep | grep -v "socat.sh" | wc -l`
PID=`ps -ef | grep socat | grep -v grep | grep -v "socat.sh" | awk '{print $2}' | sed -n "${stopsocat}p"`
kill -2 ${PID}
sleep 2s
socat_total1=$((${socat_total}-1))
socat_total=`ps -ef | grep socat | grep -v grep | grep -v "socat.sh" | wc -l`
if [[ ${socat_total} != ${socat_total1} ]]; then
echo -e "${Error} Socat 停止失败 !" && exit 1
else
echo && echo " Socat 已停止 !" && echo
fi
break
else
echo -e "${Error} 请输入正确的数字 !"
fi
else
echo "取消..." && exit 1
fi
done
}
# 查看日志
tailSocat(){
[[ ! -e ${socat_log_file} ]] && echo -e "${Error} Socat 日志文件不存在 !" && exit 1
echo && echo -e "${Tip} 按 ${Red_font_prefix}Ctrl+C${Font_color_suffix} 终止查看日志" && echo -e "如果需要查看完整日志内容，请用 ${Red_font_prefix}cat ${socat_log_file}${Font_color_suffix} 命令。" && echo
tail -f ${socat_log_file}
}
uninstallSocat(){
check_socat
echo "确定要卸载 Socat ? [y/N]"
read -e -p "(默认: n):" unyn
[[ -z ${unyn} ]] && unyn="n"
if [[ ${unyn} == [Yy] ]]; then
PID=$(ps -ef | grep "socat" | grep -v grep | grep -v ".sh" |awk '{print $2}')
[[ ! -z "${PID}" ]] && kill -9 "${PID}"
apt-get remove --purge socat -y
sed -i "/socat/d" /etc/rc.local
[[ -e ${socat_file} ]] && echo -e "${Error} Socat 卸载失败，请检查 !" && exit 1
echo && echo -e "${Info} Socat 已卸载 !" && echo
else
echo && echo "卸载已取消..." && echo
fi
}
Update_Shell(){
sh_new_ver=$(wget --no-check-certificate -qO- -t1 -T3 "https://raw.githubusercontent.com/ToyoDAdoubi/doubi/master/socat.sh"|grep 'sh_ver="'|awk -F "=" '{print $NF}'|sed 's/\"//g'|head -1) && sh_new_type="github"
[[ -z ${sh_new_ver} ]] && echo -e "${Error} 无法链接到 Github !" && exit 0
wget -N --no-check-certificate "https://raw.githubusercontent.com/ToyoDAdoubi/doubi/master/socat.sh" && chmod +x socat.sh
echo -e "脚本已更新为最新版本[ ${sh_new_ver} ] !(注意：因为更新方式为直接覆盖当前运行的脚本，所以可能下面会提示一些报错，无视即可)" && exit 0
}
check_sys
[[ ${release} != "debian" ]] && [[ ${release} != "ubuntu" ]] && echo -e "${Error} 本脚本不支持当前系统 ${release} !" && exit 1
echo && echo -e " SoCat 一键管理脚本 ${Red_font_prefix}[v${sh_ver}]${Font_color_suffix}
-- Toyo | doub.io/wlzy-18 --
${Green_font_prefix}0.${Font_color_suffix} 升级脚本
————————————
${Green_font_prefix}1.${Font_color_suffix} 安装 SoCat
${Green_font_prefix}2.${Font_color_suffix} 卸载 SoCat
————————————
${Green_font_prefix}3.${Font_color_suffix} 新增 SoCat
${Green_font_prefix}4.${Font_color_suffix} 删除 SoCat
————————————
${Green_font_prefix}5.${Font_color_suffix} 查看 SoCat 信息
${Green_font_prefix}6.${Font_color_suffix} 查看 SoCat 日志
————————————" && echo
if [[ -e ${socat_file} ]]; then
echo -e " 当前状态: ${Green_font_prefix}已安装${Font_color_suffix}"
else
echo -e " 当前状态: ${Red_font_prefix}未安装${Font_color_suffix}"
fi
echo
read -e -p " 请输入数字 [0-9]:" num
case "$num" in
0)
Update_Shell
;;
1)
installSocat
;;
2)
uninstallSocat
;;
3)
addSocat
;;
4)
delSocat
;;
5)
listSocat
;;
6)
tailSocat
;;
*)
echo "请输入正确数字 [0-6]"
;;
esac
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