mirror of
https://github.com/coolsnowwolf/lede.git
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126 lines
3.9 KiB
Bash
Executable File
126 lines
3.9 KiB
Bash
Executable File
#!/bin/sh
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aliddns_ak=`uci get aliddns.base.app_key 2>/dev/null`
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aliddns_sk=`uci get aliddns.base.app_secret 2>/dev/null`
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aliddns_record_id=`uci get aliddns.base.record_id 2>/dev/null`
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time=`uci get aliddns.base.time 2>/dev/null`
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aliddns_enable=`uci get aliddns.base.enable`
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aliddns_domain=`uci get aliddns.base.main_domain 2>/dev/null`
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aliddns_name=`uci get aliddns.base.sub_domain 2>/dev/null`
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interface=`uci get aliddns.base.interface 2>/dev/null`
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DATE=$(date +'%Y-%m-%d %H:%M:%S')
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timestamp=`date -u "+%Y-%m-%dT%H%%3A%M%%3A%SZ"`
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ip=$(ifconfig $interface 2> /dev/null | grep 'inet addr' | awk '{print $2}' | cut -d: -f2 2>/dev/null)
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check_aliddns() {
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#ip=`wget -qO- http://whatismyip.akamai.com/ 2>/dev/null`
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current_ip=`nslookup $aliddns_name.$aliddns_domain | grep "Address 1"|tail -n1|cut -d' ' -f3 2>/dev/null`
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echo "$DATE 当前路由IP: ${ip}" >> /var/log/aliddns.log
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echo "$DATE 远程解析IP: ${current_ip}" >> /var/log/aliddns.log
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if [ "$ip" = "$current_ip" ]
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then
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echo "$DATE IP未改变，无需更新" >> /var/log/aliddns.log
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exit 0
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else
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echo "$DATE 更新中..." >> /var/log/aliddns.log
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fi
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}
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urlencode() {
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# urlencode <string>
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local length="${#1}"
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i=0
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out=""
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for i in $(awk "BEGIN { for ( i=0; i<$length; i++ ) { print i; } }")
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do
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local c="${1:$i:1}"
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case $c in
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[a-zA-Z0-9._-]) out="$out$c" ;;
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*) out="$out`printf '%%%02X' "'$c"`" ;;
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esac
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i=$(($i + 1))
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done
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echo -n $out
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}
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send_request() {
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local args="AccessKeyId=$aliddns_ak&Action=$1&Format=json&$2&Version=2015-01-09"
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local hash=$(urlencode $(echo -n "GET&%2F&$(urlencode $args)" | openssl dgst -sha1 -hmac "$aliddns_sk&" -binary | openssl base64))
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wget -qO- "http://alidns.aliyuncs.com/?$args&Signature=$hash" 2> /dev/null
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}
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get_recordid() {
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grep -Eo '"RecordId":"[0-9]+"' | cut -d':' -f2 | tr -d '"'
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}
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query_recordid() {
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send_request "DescribeSubDomainRecords" "SignatureMethod=HMAC-SHA1&SignatureNonce=$timestamp&SignatureVersion=1.0&SubDomain=$aliddns_name.$aliddns_domain&Timestamp=$timestamp"
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}
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update_record() {
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send_request "UpdateDomainRecord" "RR=$aliddns_name&RecordId=$1&SignatureMethod=HMAC-SHA1&SignatureNonce=$timestamp&SignatureVersion=1.0&Timestamp=$timestamp&Type=A&Value=$ip"
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}
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add_record() {
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send_request "AddDomainRecord&DomainName=$aliddns_domain" "RR=$aliddns_name&SignatureMethod=HMAC-SHA1&SignatureNonce=$timestamp&SignatureVersion=1.0&Timestamp=$timestamp&Type=A&Value=$ip"
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}
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go_record() {
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if [ "$aliddns_record_id" = "" ]
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then
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aliddns_record_id=`query_recordid | get_recordid`
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fi
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if [ "$aliddns_record_id" = "" ]
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then
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aliddns_record_id=`add_record | get_recordid`
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echo "$DATE 添加 record $aliddns_record_id" >> /var/log/aliddns.log
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else
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update_record $aliddns_record_id
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echo "$DATE 更新 record $aliddns_record_id" >> /var/log/aliddns.log
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fi
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# save to file
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if [ "$aliddns_record_id" = "" ]; then
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# failed
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echo "$DATE : 更新出错,请检查设置！" >> /var/log/aliddns.log
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exit 0
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else
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uci set aliddns.base.record_id=$aliddns_record_id
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uci commit
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echo "$DATE : 更新成功！($ip)" >> /var/log/aliddns.log
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fi
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}
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#将执行脚本写入crontab定时运行
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add_aliddns_cru(){
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wirtecron=$(cat /etc/crontabs/root | grep "$time * * * *" | grep aliddns)
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if [ -z "$wirtecron" ];then
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sed -i '/aliddns/d' /etc/crontabs/root >/dev/null 2>&1
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echo "*/$time * * * * /usr/sbin/aliddns" >> /etc/crontabs/root
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fi
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}
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#清除过多记录
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clean_log(){
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logrow=$(grep -c "" /var/log/aliddns.log)
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if [ $logrow -ge 15 ];then
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cat /dev/null > /var/log/aliddns.log
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echo "$DATE Log条数超限，清空处理！" >> /var/log/aliddns.log
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fi
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}
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#停止服务
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stop_aliddns(){
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#停掉cru里的任务
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sed -i '/aliddns/d' /etc/crontabs/root >/dev/null 2>&1
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}
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if [ "$aliddns_enable" != "1" ]; then
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stop_aliddns
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echo "$DATE : aliddns没有开启！" >> /var/log/aliddns.log
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else
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clean_log
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check_aliddns
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go_record
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add_aliddns_cru
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fi
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