Fxxk JGSU Web Auth （井冈山大学校园网登陆脚本）

jgsu-web.sh

#!/bin/sh

studentid='' # 用户名
password=''      # 密码

IP=$(ubus call network.interface.wan status | grep \"address\" | grep -oE '[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}')
# IP="10.73.26.189"
UA="FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF"

function login() {
    # IP="10.73.11.167"
    # echo "DDDDD=${studentid}&upass=${password}&R1=0&R2=&R6=0&para=00&0MKKey=123456&buttonClicked=&redirect_url=&err_flag=&username=&password=&user=&cmd=&Login=&R7=0"
    statusfull=$(curl 'http://192.168.167.46/a70.htm' \
        -X POST \
        -s -A "${UA}" \
        -H "Cookie: program=ip; vlan=0; md5_login2=${studentid}%7C${password}; ip=${IP}" \
        --data-raw "DDDDD=${studentid}&upass=${password}&R1=0&R2=&R6=0&para=00&0MKKey=123456&buttonClicked=&redirect_url=&err_flag=&username=&password=&user=&cmd=&Login=&R7=0")
    # echo "${statusfull}"
    status=$(echo "${statusfull}" | grep -a -oE '<!--Dr.COMWebLoginID_[0-9]\.htm-->')
    # echo ${status}
    if [ $status == '<!--Dr.COMWebLoginID_2.htm-->' ]; then
        errormsg=$(echo "${statusfull}" | grep 'msga' | grep -oE "msga='.*'")
        logger -t "校园网认证" "Login Failed:${errormsg}"
        # echo "Log Failed:${errormsg}"
        sleep 14
        login
    else
        checkstatus
        if [ $statuscode == '204' ]; then
            lasturl=$(echo "${statusfull}" | grep 'UL' | grep -oE "UL='.*'")
            logger -t "校园网认证" "Login Success:${lasturl}"
        else
            # echo "Judge it ${statuscode}"
            sleep 14
            login
        fi   
    fi
}
function checkstatus() {
    statuscode=$(curl -m 3 -o /dev/null -s -w %{http_code} -A "${UA}" http://connect.rom.miui.com/generate_204)
}

# 3成功2失败
function oneloop() {
    checkstatus
    # echo ${statuscode}
    if [ $statuscode == '204' ]; then
        # echo 'Normal'
        # logger 'Normal'
        sleep 1
    elif [ $statuscode == '200' ]; then
        # 直接劫持http替换成跳转js，同样是需要登陆
        logger -t "校园网认证" "Disconnected,ERR=${statuscode}"
        sleep 14
        logger -t "校园网认证" "Try to Connect"
        login
    elif [ $statuscode == '000' ]; then
        # logger -t "校园网认证" "DNS lookup error,ERR=000"
        # 学校的网就是DNS老爆炸，这不是一个错误
        sleep 1
    elif [ $statuscode == '302' ]; then
        # echo 'Failed'
        logger -t "校园网认证" "Disconnected,ERR=${statuscode}"
        sleep 14 # 虽然报错是3s，但是实际上应该是13s，猜测是检测10s+冷却3s
        logger -t "校园网认证" "Try to Connect"
        login
    else
        logger -t "校园网认证" "Uncaught error,ERR=${statuscode}"
    fi
}

while true; do
    oneloop
done