openwrt-ddns-dnspod

#! /bin/sh

# 请自行获取下列4个变量
# TOKEN由 “安全中心 － 用户管理”  获取，格式为 ID,TOKEN
# DOMAIN_ID、RECORD_ID  可以从DNSPod控制台的AJAX记录JSON返回值获取
# SUB_DOMAIN 自行填写

LOGIN_TOKEN=
DOMAIN_ID=
RECORD_ID=
SUB_DOMAIN=


# get current record on dnspod


RESP=`curl -s -X POST https://dnsapi.cn/Record.Info -d "login_token=$LOGIN_TOKEN&format=json&domain_id=$DOMAIN_ID&record_id=$RECORD_ID"`

# echo "$RESP"

CURRENT_RECORD_VALUE=`echo -n $RESP | grep "\"value\":\"[^\"]*\"" -Eo | grep "[0-9.]+" -Eo`

echo "CURRENT RECORD VALUE $CURRENT_RECORD_VALUE"

# get current record on device

# 从pppoe-wan接口获取
# CURRENT_IP=`ifconfig pppoe-wan | grep "inet addr:[^ ]+" -Eo | grep "[0-9.]+" -Eo`
# 从 3322.org 获取
CURRENT_IP=`curl -s http://members.3322.org/dyndns/getip`

echo "CURRENT_IP           $CURRENT_IP"

if [ "$CURRENT_IP" != "$CURRENT_RECORD_VALUE" ]; then
	echo "update record"
	curl -X POST https://dnsapi.cn/Record.Modify -d "login_token=$LOGIN_TOKEN&format=json&domain_id=$DOMAIN_ID&record_id=$RECORD_ID&sub_domain=$SUB_DOMAIN&value=$CURRENT_IP&record_type=A&record_line=默认"
else
	echo "don't need update"
fi