openvpn 启动脚本

openvpn 启动脚本

#!/bin/bash 
#File: openvpn_turn 
#Auth: Robin 
#Date: 2013/01/17 10-30-10 
#Desc: Start/stop openvpn client 
#Vers: 1.0 
# 
# openvpn -s --> stop openvpn client 
# openvpn -r --> start openvpn client 

#配置文件所在目录 
CONF_DIR="/etc/openvpn" 
#配置文件 
CONF_FILE="client.conf" 
#存放用户名和密码，格式如下 
# user_name 
# password 
AUTH_FILE="auth" 
LOG_FILE="/tmp/openvpn.log" 
PID_FILE="/tmp/openvpn.pid" 

function do_success { 
ps -ef|grep openvpn|grep -v grep|awk '{print $2}' >> $PID_FILE 
rm $LOG_FILE 
echo -e "Start OPENVPN \033[32msuccessfully\033[0m!" 
exit 0 
} 

function do_fail { 
echo -e "Start OPENVPN \033[41mfailure\033[0m!" 
echo "Maybe you can get something useful from $LOG_FILE" 
exit 1 
} 

function if_run { 
if ;then 
return 0 
else 
return 1 
fi  
} 

function start_openvpn { 
if_run 
if ;then 
ps -ef|grep '\<openvpn\>' |grep -v grep &> /dev/null 
if ;then 
echo -e "OPENVPN is \033[32malready running\033[0m!!!" 
exit 1 
else 
rm $PID_FILE 
fi 
fi 

if ;then 
echo > $LOG_FILE 
fi 

cd $CONF_DIR 
sudo openvpn --config $CONF_FILE --auth-user-pass $AUTH_FILE &> $LOG_FILE & 

echo -e "\033[33mStarting\033[0m OPENVPN..." 
sleep 5 
cat $LOG_FILE |grep "Sequence Completed" 2> /dev/null && do_success || do_fail 
} 

function stop_openvpn { 
if_run 
if ;then 
echo "OPENVPN is not running!" 
exit 1 
fi 
for i in `ps -ef|grep '\<openvpn\>'|grep -v grep|awk '{print $2}'`;do 
sudo kill -9 $i 
done 
rm $PID_FILE 
echo -e "OPENVPN is already \033[41mstop\033[0m." 
} 

while getopts sr SW;do 
case $SW in 
s) 
stop_openvpn 
break 
;; 
r) 
start_openvpn 
break 
;; 
?) 
echo "openvpn_turn " 
esac 
done