└── ddns.sh


/ddns.sh:
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 1 | #!/bin/bash
 2 | # CF DDNS
 3 | 
 4 | #这里填写区域ID
 5 | zone_id=当前域名的区域ID
 6 | #API Bearer密钥,在 https://dash.cloudflare.com/profile/api-tokens 创建编辑区域 DNS
 7 | bearer=你的Bearer密钥
 8 | #需要修改DNS的域名
 9 | domain=完整域名
10 | #DDNS IP类型ipv4,ipv6,默认是ipv4
11 | ips=ipv4
12 | 
13 | function cloudflaredns(){
14 | id=$(curl -s "https://api.cloudflare.com/client/v4/zones/$zone_id/dns_records" -H "Authorization: Bearer $bearer" | sed -e 's/{/\n/g' -e 's/"proxiable"/\n/g' | grep zone_id | awk -F\" '{print $4" "$16" "$20}' | grep -w $domain | awk '{print $1}')
15 | if [ $(echo $1 | grep : | wc -l) == 0 ]
16 | then
17 | 	iptype=A
18 | else
19 | 	iptype=AAAA
20 | fi
21 | if [ -z "$id" ]
22 | then
23 | 	echo "创建域名 $domain $iptype记录"
24 | 	curl -s -X POST "https://api.cloudflare.com/client/v4/zones/$zone_id/dns_records" -H "Authorization: Bearer $bearer" -H "Content-Type:application/json" --data '{"type":"'"$iptype"'","name":"'"$domain"'","content":"'"$1"'","ttl":60,"proxied":false}'
25 | else
26 | 	echo "更新域名 $domain $iptype记录"
27 | 	curl -s -X PUT "https://api.cloudflare.com/client/v4/zones/$zone_id/dns_records/$id" -H "Authorization: Bearer $bearer" -H "Content-Type:application/json" --data '{"type":"'"$iptype"'","name":"'"$domain"'","content":"'"$1"'","ttl":60,"proxied":false}'
28 | fi
29 | }
30 | 
31 | a="$(curl --$ips -s https://www.cloudflare-cn.com/cdn-cgi/trace | grep ip= | cut -f 2- -d'=')"
32 | cloudflaredns $a
33 | while true
34 | do
35 | 	sleep 5
36 | 	b="$(curl --$ips -s https://www.cloudflare-cn.com/cdn-cgi/trace | grep ip= | cut -f 2- -d'=')"
37 | 	if [ "$a" == "$b" ]
38 | 	then
39 | 		echo "$(date) 公网IP地址 $b 没有发生变化"
40 | 	elif [ "$b" != "" ]
41 | 	then
42 | 		cloudflaredns $b
43 | 		while true
44 | 		do
45 | 			c="$(curl -s "https://api.cloudflare.com/client/v4/zones/$zone_id/dns_records" -H "Authorization: Bearer $bearer" | sed -e 's/{/\n/g' -e 's/"proxiable"/\n/g' | grep zone_id | awk -F\" '{print $4" "$16" "$20" "$24}' | grep -w $domain | awk '{print $4}')"
46 | 			if [ "$b" == "$c" ]
47 | 			then
48 | 				echo "公网IP更新成功"
49 | 				break
50 | 			else
51 | 				echo "重新请求更新公网IP"
52 | 				cloudflaredns $b
53 | 			fi
54 | 		done
55 | 		#这里支持pushplsh微信推送,注释下方curl前面的#号并填写pushplus密钥启用
56 | 		#curl --location --request POST 'https://www.pushplus.plus/send' --header 'Content-Type: application/json' --data-raw '{"token":"你的pushplus密钥","title":"公网IP地址已更新","content":"当前公网IP '"$b"'","template":"txt"}'
57 | 		a="$b"
58 | 	else
59 | 		echo "公网IP地址获取失败"
60 | 	fi
61 | done
62 | 


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