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nuistnet_sourceip.sh
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#!/bin/bash
# 该脚本使用了源地址，一般配合策略路由使用，正常情况请使用另一版本
# debug=1 # 开启debug
sourceIp='192.168.0.2' # 指定源地址IP 未指定则不使用 影响 curl ping
# ping -I "$sourceIp"
# curl --interface "$sourceIp"
# 用户名 密码
username="username"
password='password'
# 网络供应商
isp="校园网"
# isp="中国移动"
# isp="中国电信"
# isp="中国联通"
retryLimit="3" # 当异常响应次数大于该数值时，将尝试强制登出并重新登陆
retryFile=".nuistnetRetry" # 历史文件
userAgent="Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/84.0.4147.105 Safari/537.36"
loginServer='10.255.255.46' # 修改后
getIPUrl="http://${loginServer}/api/v1/ip"
loginUrl="http://${loginServer}/api/v1/login"
infoUrl="http://${loginServer}/api/v1/login"
logoutUrl="http://${loginServer}/api/v1/login"
# curl ping 参数
curlParameter=(--connect-timeout 5 -w "\nCode:%{response_code}" -H "User-Agent: ${userAgent}")
pingParameter=(-c 2)
if [[ -n "$sourceIp" ]]; then # 指定源地址
curlParameter+=(--interface "$sourceIp")
pingParameter+=(-I "$sourceIp")
fi
fontRed='\033[31m'
fontGreen='\033[32m'
fontBlue='\033[36m'
fontNormal='\033[0m'
function echoRed() {
echo -e "${fontRed}${*}${fontNormal}"
}
function echoBlue() {
echo -e "${fontBlue}${*}${fontNormal}"
}
function echoGreen() {
echo -e "${fontGreen}${*}${fontNormal}"
}
function debug() {
if [ "$debug" == "1" ]; then
echo "$*"
fi
}
function ShowHelp() {
echo "该脚本使用了源地址，一般配合策略路由使用，正常情况请使用原版"
echo "南信大校园网络自动脚本，适配新系统(登录地址为10.255.255.46)"
echo "脚本依赖于bash环境以及curl工具"
echoRed "使用前需要修改脚本开头的相关参数"
echoRed "脚本可能由于用户环境不同而无法使用，本人不保证脚本的可用性以及对使用该脚本造成的任何后果负责"
echoGreen "用法:\n${0} 检测网络 并尝试登陆\n${0} login 强制执行登陆\n${0} logout 强制注销\n${0} status 显示登陆信息\n${0} help 显示帮助"
return 0
}
# 获取IP
# GET http://10.255.255.46/api/v1/ip
# Response {"code":200,"data":"10.0.0.1"}
function GetIP() { # 从学校api获取本机IP地址 # 返回0 成功 返回1失败
local curlInfo curlCode
echoBlue '获取本地IP...' 1>&2
debug "GET ${getIPUrl}" 1>&2
curlInfo=$(curl "${curlParameter[@]}" -X "GET" "${getIPUrl}")
curlCode="$?"
debug "${curlInfo}" 1>&2
if [[ "$curlCode" -ne 0 ]]; then
echoRed "curl 错误 Code:${curlCode}" 1>&2
return 1
else
local responseCode=$(echo "${curlInfo}" | sed -n '$p' | sed -e "s/.*Code://g")
if [[ "$responseCode" != "200" ]]; then
echoRed "Http响应码错误 Code:${responseCode}" 1>&2
return 1
else
curlInfo=$(echo "${curlInfo}" | sed -e 's/Code:...//g' | tr -d '\r' | sed -e 's/^[[:blank:]]*//g' -e 's/[[:blank:]]*$//g' | tr -d '\n')
local IP=$(echo "${curlInfo}" | sed -n "s/.*\"data\":[[:blank:]]*\"\([0-9.]\+\)\".*/\1/p")
local apiCode=$(echo "${curlInfo}" | sed -n "s/.*\"code\":[[:blank:]]*\([0-9]\+\).*/\1/p")
if [[ "${apiCode}" != "200" ]]; then
echoRed "api响应码错误 Code:${apiCode}" 1>&2
return 1
elif [[ -z "${IP}" ]]; then
echoRed "api返回IP为空" 1>&2
return 1
fi
echo "$IP"
echoGreen "IP获取成功" 1>&2
echoGreen "地址: ${IP}" 1>&2
return 0
fi
fi
}
# 获取ISP
# POST http://10.255.255.46/api/v1/login
# Request {"username":"123456","password":"123456","ifautologin":"0","channel":"_GET","pagesign":"firstauth","usripadd":"10.0.0.1"}
# Response {
# "code": 200,
# "message": "ok",
# "data": {
# "channels": [{"id":"1","name":"校园网"},{"id":"2","name":"中国移动"},{"id":"3","name":"中国电信"},{"id":"4","name":"中国联通"}]
# }
# }
function GetChannelId() { # 从学校api获取ISP id # 返回0 成功 返回1失败
local curlInfo curlCode
if [[ -z "${IP}" ]]; then
IP=$(GetIP)
if [[ "$?" -ne "0" ]]; then
echoRed 'IP获取失败' 1>&2
exit 1
fi
fi
local randomInfo="$(($RANDOM + 500000))"
if [[ -z "$randomInfo" ]]; then
randomInfo="123456"
fi
local postBody="{\"username\":\"${randomInfo}\",\"password\":\"${randomInfo}\",\"channel\":\"_GET\",\"ifautologin\":\"0\",\"pagesign\":\"firstauth\",\"usripadd\":\"${IP}\"}"
debug "POST ${loginUrl}" 1>&2
debug "Body ${postBody}" 1>&2
curlInfo=$(curl "${curlParameter[@]}" -X "POST" -d "${postBody}" "${loginUrl}" | iconv -f GB2312 -t UTF-8)
curlCode="$?"
debug "${curlInfo}" 1>&2
if [[ "$curlCode" -ne 0 ]]; then
echoRed "curl 错误 Code:${curlCode}" 1>&2
return 1
else
local responseCode=$(echo "${curlInfo}" | sed -n '$p' | sed -e "s/.*Code://g")
if [[ "$responseCode" != "200" ]]; then
echoRed "Http响应码错误 Code:${responseCode}" 1>&2
return 1
else
curlInfo=$(echo "${curlInfo}" | sed -e 's/Code:...//g' | tr -d '\r' | sed -e 's/^[[:blank:]]*//g' -e 's/[[:blank:]]*$//g' | tr -d '\n')
local apiCode=$(echo "${curlInfo}" | sed -n "s/.*\"code\":[[:blank:]]*\([0-9]\+\).*/\1/p")
if [[ "${apiCode}" != "200" ]]; then
echoRed "api响应码错误 Code:${apiCode}" 1>&2
local message=$(echo "${curlInfo}" | sed -n "s/.*\"message\":[[:blank:]]*\"\([^\"]\+\)\".*/\1/p")
echo "信息:${message}" 1>&2
return 1
else
local channelInfo=$(echo "${curlInfo}" | sed -e "s/.*\"channels\"://g" -e "s/.*\[//g" -e "s/\].*//g" -e "s/},{/\n/g" | tr -d '{' | tr -d '}')
local channelId=$(echo "${channelInfo}" | grep "${isp}" | sed -n '1p' | sed -n "s/.*\"id\":[[:blank:]]*\"\([[:digit:]]\+\)\".*/\1/p")
if [[ -z "${channelId}" ]]; then
echoRed "无法获取指定channelId" 1>&2
return 1
else
echo "${channelId}"
echoGreen "channelId获取成功" 1>&2
echoGreen "id: ${channelId}" 1>&2
return 0
fi
fi
fi
fi
}
# 登录
# POST http://10.255.255.46/api/v1/login
# Request {"username":"123456","password":"123456","ifautologin":"0","channel":"1","pagesign":"secondauth","usripadd":"10.0.0.1"}
# Response
# {
# "code": 201,
# "message": "ok",
# "data":
# {
# "text": "该用户没有开通校园网服务，请开通后再试。 The user has not opened the campus network service.",
# "url": null
# }
# }
function Login() { # 进行登录操作 返回0 成功 返回1失败
local curlInfo curlCode
if [[ -z "${IP}" ]]; then
IP=$(GetIP)
if [[ "$?" -ne "0" ]]; then
echoRed 'IP获取失败' 1>&2
exit 1
fi
fi
echoBlue "尝试登录..." 1>&2
local postBody="{\"username\":\"${username}\",\"password\":\"${password}\",\"channel\":\"${channelId}\",\"ifautologin\":\"0\",\"pagesign\":\"secondauth\",\"usripadd\":\"${IP}\"}"
debug "POST ${loginUrl}" 1>&2
debug "Body ${postBody}" 1>&2
curlInfo=$(curl "${curlParameter[@]}" -X "POST" -d "${postBody}" "${loginUrl}" | iconv -f GB2312 -t UTF-8)
curlCode="$?"
debug "${curlInfo}" 1>&2
if [[ "$curlCode" -ne 0 ]]; then
echoRed "curl 错误 Code:${curlCode}" 1>&2
return 1
else
local responseCode=$(echo "${curlInfo}" | sed -n '$p' | sed -e "s/.*Code://g")
if [[ "$responseCode" != "200" ]]; then
echoRed "Http响应码错误 Code:${responseCode}" 1>&2
echo "在未设置用户名、密码的情况下可能出现此错误，建议检测脚本开头用户名密码设置。" 1>&2
return 1
else
curlInfo=$(echo "${curlInfo}" | sed -e 's/Code:...//g' | tr -d '\r' | sed -e 's/^[[:blank:]]*//g' -e 's/[[:blank:]]*$//g' | tr -d '\n')
local apiCode=$(echo "${curlInfo}" | sed -n "s/.*\"code\":[[:blank:]]*\([0-9]\+\).*/\1/p")
if [[ "${apiCode}" != "200" ]]; then
echoRed "api响应码错误 Code:${apiCode}" 1>&2
local message=$(echo "${curlInfo}" | sed -n "s/.*\"message\":[[:blank:]]*\"\([^\"]\+\)\".*/\1/p")
echoRed "message: ${message}" 1>&2
if [ "${message}" == "Passwd_Err" ]; then
echo "翻译：密码错误" 1>&2
fi
if [ "${message}" == "UserName_Err" ]; then
echo "翻译：用户名错误" 1>&2
fi
return 1
else
echoGreen "登录成功!" 1>&2
return 0
fi
fi
fi
}
# 获取登录信息
# POST http://10.255.255.46/api/v1/login
# Request {"username":"123456","password":"123456","channel":"_ONELINEINFO","ifautologin":"1","pagesign":"thirddauth","usripadd":"10.0.0.1"}
# Response
# {
# "code": 200,
# "message": "ok",
# "data": {
# "reauth": false,
# "username": "123456",
# "balance": "0.00",
# "duration": "95256",
# "outport":"初始出口",
# "totaltimespan":"0",
# "usripadd":"10.0.0.1"
# }
# }
function GetInfo() { # 从学校api获取登陆信息 返回 0 查询成功 1 失败
local curlInfo curlCode
local randomInfo="$(($RANDOM + 500000))"
if [[ -z "$randomInfo" ]]; then
randomInfo="123456"
fi
echoBlue "获取当前登录信息..." 1>&2
if [[ -z "${IP}" ]]; then
IP=$(GetIP)
if [[ "$?" -ne "0" ]]; then
echoRed 'IP获取失败' 1>&2
exit 1
fi
fi
local postBody="{\"username\":\"${randomInfo}\",\"password\":\"${randomInfo}\",\"channel\":\"_ONELINEINFO\",\"ifautologin\":\"0\",\"pagesign\":\"thirddauth\",\"usripadd\":\"${IP}\"}"
debug "POST ${loginUrl}" 1>&2
debug "Body ${postBody}" 1>&2
curlInfo=$(curl "${curlParameter[@]}" -X "POST" -d "${postBody}" "${infoUrl}" | iconv -f GB2312 -t UTF-8)
curlCode="$?"
debug "${curlInfo}" 1>&2
if [[ "$curlCode" -ne 0 ]]; then
echoRed "curl 错误 Code:${curlCode}" 1>&2
return 1
else
local responseCode=$(echo "${curlInfo}" | sed -n '$p' | sed -e "s/.*Code://g")
if [[ "$responseCode" != "200" ]]; then
echoRed "Http响应码错误 Code:${responseCode}" 1>&2
return 1
else
curlInfo=$(echo "${curlInfo}" | sed -e 's/Code:...//g' | tr -d '\r' | sed -e 's/^[[:blank:]]*//g' -e 's/[[:blank:]]*$//g' | tr -d '\n')
local apiCode=$(echo "${curlInfo}" | sed -n "s/.*\"code\":[[:blank:]]*\([0-9]\+\).*/\1/p")
if [[ "${apiCode}" != "200" ]]; then
echoRed "api响应码错误 Code:${apiCode}" 1>&2
local message=$(echo "${curlInfo}" | sed -n "s/.*\"message\":[[:blank:]]*\"\([^\"]\+\)\".*/\1/p")
echo "信息:${message}" 1>&2
return 1
else
echoGreen "查询成功!" 1>&2
local outport=$(echo "${curlInfo}" | sed -n "s/.*\"outport\":[[:blank:]]*\"\([^\"]\+\)\".*/\1/p")
local duration=$(echo "${curlInfo}" | sed -n "s/.*\"duration\":[[:blank:]]*\"\([^\"]\+\)\".*/\1/p")
echo "网络出口:${outport}"
local hours=$((${duration}/3600))
local minutes=$((${duration}%3600/60))
local seconds=$((${duration}%60))
echo "时长:${hours}小时${minutes}分钟${seconds}秒"
if [[ "${outport}" == "初始出口" ]]; then
echo "翻译:未登录"
fi
if [[ "${outport}" == "0.00" ]]; then
echo "翻译:未登录"
fi
return 0
fi
fi
fi
}
# 登出
# POST http://10.255.255.46/api/v1/login
# Request {"username":"123456","password":"123456","channel":"0","ifautologin":"1","pagesign":"thirddauth","usripadd":"10.0.0.1"}
# Response {
# "code": 200,
# "message": "ok",
# "data": {
# "text": "网络关闭成功！Network shut down successfully.",
# "url": null
# }
# }
function Logout() { # 登出当前账户 返回 0 查询成功 1 失败
local curlInfo curlCode
local randomInfo="$(($RANDOM + 500000))"
if [[ -z "$randomInfo" ]]; then
randomInfo="123456"
fi
echoBlue "尝试登出..." 1>&2
if [[ -z "${IP}" ]]; then
IP=$(GetIP)
if [[ "$?" -ne "0" ]]; then
echoRed 'IP获取失败' 1>&2
exit 1
fi
fi
local postBody="{\"username\":\"${randomInfo}\",\"password\":\"${randomInfo}\",\"ifautologin\":\"0\",\"pagesign\":\"thirddauth\",\"channel\":\"0\",\"usripadd\":\"${IP}\"}"
debug "POST ${logoutUrl}" 1>&2
debug "Body ${postBody}" 1>&2
curlInfo=$(curl "${curlParameter[@]}" -X "POST" -d "${postBody}" "${logoutUrl}" | iconv -f GB2312 -t UTF-8)
curlCode="$?"
debug "${curlInfo}" 1>&2
if [[ "$curlCode" -ne 0 ]]; then
echoRed "curl 错误 Code:${curlCode}" 1>&2
return 1
else
local responseCode=$(echo "${curlInfo}" | sed -n '$p' | sed -e "s/.*Code://g")
if [[ "$responseCode" != "200" ]]; then
echoRed "Http响应码错误 Code:${responseCode}" 1>&2
return 1
else
curlInfo=$(echo "${curlInfo}" | sed -e 's/Code:...//g' | tr -d '\r' | sed -e 's/^[[:blank:]]*//g' -e 's/[[:blank:]]*$//g' | tr -d '\n')
local apiCode=$(echo "${curlInfo}" | sed -n "s/.*\"code\":[[:blank:]]*\([0-9]\+\).*/\1/p")
local message=$(echo "${curlInfo}" | sed -n "s/.*\"message\":[[:blank:]]*\"\([^\"]\+\)\".*/\1/p")
if [[ "${apiCode}" != "200" ]]; then
echoRed "api响应码错误 Code:${apiCode}" 1>&2
echo "信息:${message}" 1>&2
return 1
else
echoGreen "退出成功!" 1>&2
echo "信息:${message}" 1>&2
return 0
fi
fi
fi
}
function GetChannelIdOffline() { # 硬编码 Channel id
echoBlue "使用硬编码ID" 1>&2
case "${isp}" in
"校园网")
echo '1'
return 0;;
"中国移动")
echo '2'
return 0;;
"中国电信")
echo '3'
return 0;;
"中国联通")
echo '4'
return 0;;
*)
return 1;;
esac
}
function CheckAliDns() { # 测试网络通断 0在线
ping "${pingParameter[@]}" 223.5.5.5 > /dev/null 2>/dev/null
return $?
}
function CheckLoginServer() { # 测试登录服务器是否在线 0在线
curl "${curlParameter[@]}" "http://${loginServer}" > /dev/null 2>/dev/null
return $?
}
function CheckLoginStatus() { # 检查登录状态 0已经登录 1未登录 2未知
local outport
outport=$(GetInfo)
if [[ "$?" -ne '0' ]]; then
return 2
fi
outport=$(echo "${outport}" | grep '网络出口:' | cut -d ':' -f 2)
case "${outport}" in
"0.00") # 出现于固定IP 宿舍
# return 0;;
return 1;;
"初始出口")
return 1;;
"校园网" | "中国移动" | "中国电信" | "中国联通")
return 0;;
*)
echoRed '出现未知状态' 1>&2
return 2;;
esac
}
function CheckAndLogin() { # 进行网络状态检查，然后登录
echoBlue "测试网络通断..." 1>&2
CheckAliDns
if [[ "$?" -eq "0" ]]; then
if [[ -e "$retryFile" ]]; then
rm "$retryFile"
echoBlue "删除临时文件" 1>&2
fi
echoBlue "已经联网，退出" 1>&2
exit 0
fi
echoBlue "网络断开，尝试连接登录服务器..." 1>&2
CheckLoginServer
if [[ "$?" -ne "0" ]]; then
echoBlue "登录服务器无法连接，退出..." 1>&2
if [[ -e "$retryFile" ]]; then
rm "$retryFile"
echoBlue "删除临时文件" 1>&2
fi
exit 0
fi
CheckLoginStatus
local loginStatus="$?"
if [[ "${loginStatus}" -eq "0" ]]; then # 断网 API显示登录
local retry
if [[ -e "${retryFile}" ]]; then
retry=$(cat "${retryFile}")
else
retry=0
fi
echoRed "断网，API显示登录" 1>&2
retry=$((retry+1)) # 重试次数加1
if [[ "$retry" -eq "$retryLimit" ]]; then # 重试过多
echoBlue "重试过多，尝试退出后登陆" 1>&2
Logout
channelId=$(GetChannelId)
if [[ "$?" -ne "0" || -z "${channelId}" ]]; then # 未得到Channel ID
channelId=$(GetChannelIdOffline)
fi
if [[ -z "${channelId}" ]]; then # 未得到Channel ID
echoRed "channelId缺失，请检测isp设置..." 1>&2
exit 1
fi
Login
rm "${retryFile}"
else
echo "$retry" > "${retryFile}"
fi
exit 1
else # 未登录或者未知
if [[ "${loginStatus}" -eq "2" ]]; then # 未知
echoRed "未知情况，默认断网处理" 1>&2
fi
channelId=$(GetChannelId)
if [[ "$?" -ne "0" || -z "${channelId}" ]]; then # 未得到Channel ID
channelId=$(GetChannelIdOffline)
fi
if [[ -z "${channelId}" ]]; then # 未得到Channel ID
echoRed "channelId缺失，请检测isp设置..." 1>&2
exit 1
fi
Login
exit "$?"
fi
}
function ForceLogin() { # 强行登陆
echoBlue "强制登陆..." 1>&2
channelId=$(GetChannelId)
if [[ "$?" -ne "0" || -z "${channelId}" ]]; then # 未得到Channel ID
channelId=$(GetChannelIdOffline)
fi
if [[ -z "${channelId}" ]]; then # 未得到Channel ID
echoRed "channelId缺失，请检测isp设置..." 1>&2
exit 1
fi
Login
exit "$?"
}
if [[ "$#" -gt '1' ]]; then
echoRed "参数过多" 1>&2
ShowHelp
exit 1
fi
if [[ "$#" -eq '0' ]]; then
CheckAndLogin
exit 0
fi
case "$1" in
"help")
ShowHelp
exit 0;;
"login")
ForceLogin
exit 0;;
"logout")
Logout
exit 0;;
"status")
GetInfo
exit 0;;
*)
echoRed "未知参数"
ShowHelp
exit 1;;
esac