shell自动登录

#!/bin/bash

uname=tanghongfei
passwd=123456    

pass2=`echo -n $passwd | md5sum | cut -c9-24`

curl -H "Content-Type:application/x-www-form-urlencoded" -d "username=$uname&password=$pass2&drop=0&type=1&n=100" http://xxx.xxx.xxx.xxx/cgi-bin/do_login 2>/dev/null | grep error

if [ "$?" -eq "0" ]; then
  exit -1
fi

exit 0

监控是否掉线

#! /bin/sh

interval=10

while (true)
do
    result=`ping -w $interval www.baidu.com | grep '0 received'`
    if [ "$result" != ""  ]; then
        echo "network status: disconnected!!! relogin!!!"
        ./login.sh
    else
        echo "network status: connected!"
        sleep 10
    fi
done