nas這東西對(duì)于我這種買(mǎi)不起阿里云服務(wù)器的屌絲程序員真香。

條件

• 群暉或者黑群暉
• 阿里云申請(qǐng)的域名据途，需要備案
• 家里有公網(wǎng)ip（非固定绞愚，會(huì)經(jīng)常發(fā)生變化），電信的一般都有颖医，沒(méi)有的話可以向客服申請(qǐng)爽醋。其他寬帶請(qǐng)百度
• 路由器設(shè)置端口轉(zhuǎn)發(fā)或者DMZ主機(jī)

這種方式優(yōu)點(diǎn)很明顯

• 無(wú)需使用花生殼frp等做內(nèi)網(wǎng)穿透，完全免費(fèi)便脊，僅需阿里云域名費(fèi)用
• 速度取決于自家寬帶蚂四。比如我家千兆寬帶，上傳是百兆哪痰，實(shí)測(cè)公司下載文件可達(dá)12兆每秒
• 超級(jí)穩(wěn)定遂赠，一般不會(huì)出現(xiàn)問(wèn)題

缺點(diǎn)也很明顯

• 要有公網(wǎng)IP
• 無(wú)法使用80和443端口（被封），部署網(wǎng)站的話肯定需要帶端口號(hào)的

阿里云控制臺(tái)獲取到AccessKey ID和Access Key Secret晌杰，用于訪問(wèn)阿里云api

image

群暉中新建aliyun.sh文件跷睦，將下面的腳本拷貝進(jìn)去

#!/bin/sh

set -e

if [ $1 ]; then
    ApiId=$1
fi

if [ $2 ]; then
    ApiKey=$2
fi

if [ $3 ]; then
    Domain=$3
fi

if [ -z "$ApiId" -o -z "$ApiKey" -o -z "$Domain" ]; then
    echo "參數(shù)缺失"
    exit 1
fi

if [ $4 ]; then
    SubDomain=$4
fi

if [ -z "$SubDomain" ]; then
    SubDomain="@"
fi

Nonce=$(date -u "+%N")  # 有bug?
Timestamp=$(date -u "+%Y-%m-%dT%H%%3A%M%%3A%SZ")    # SB 阿里云, 什么鬼時(shí)間格式
Nonce=$Timestamp

urlencode() {
    local raw="$1";
    local len="${#raw}"
    local encoded=""

    for i in `seq 1 $len`; do
        local j=$((i+1))
        local c=$(echo $raw | cut -c$i-$i)

        case $c in [a-zA-Z0-9.~_-]) ;;
            *)
            c=$(printf '%%%02X' "'$c") ;;
        esac

        encoded="$encoded$c"
    done

    echo $encoded
}

# $1 = query string
getSignature() {
    local encodedQuery=$(urlencode $1)
    local message="GET&%2F&$encodedQuery"
    local sig=$(echo -n "$message" | openssl dgst -sha1 -hmac "$ApiKey&" -binary | openssl base64)
    echo $(urlencode $sig)
}

sendRequest() {
    local sig=$(getSignature $1)
    local result=$(wget -qO- --no-check-certificate --content-on-error "https://alidns.aliyuncs.com?$1&Signature=$sig")
    echo $result
}

getRecordId() {
    echo "獲取 $SubDomain.$Domain 的 IP..." >&2
    local queryString="AccessKeyId=$ApiId&Action=DescribeSubDomainRecords&Format=JSON&SignatureMethod=HMAC-SHA1&SignatureNonce=$Nonce&SignatureVersion=1.0&SubDomain=$SubDomain.$Domain&Timestamp=$Timestamp&Type=A&Version=2015-01-09"
    local result=$(sendRequest "$queryString")
    local code=$(echo $result | sed 's/.*,"Code":"\([A-z]*\)",.*/\1/')
    local recordId=$(echo $result | sed 's/.*,"RecordId":"\([0-9]*\)",.*/\1/')

    if [ "$code" = "$result" ] && [ ! "$recordId" = "$result" ]; then
        local ip=$(echo $result | sed 's/.*,"Value":"\([0-9\.]*\)",.*/\1/')

        if [ "$ip" == "$NewIP" ]; then
            echo "IP 無(wú)變化, 退出腳本..." >&2
            echo "quit"
        else
            echo $recordId
        fi
    else
        echo "null"
    fi
}

# $1 = record ID, $2 = new IP
updateRecord() {
    local queryString="AccessKeyId=$ApiId&Action=UpdateDomainRecord&DomainName=$Domain&Format=JSON&RR=$SubDomain&RecordId=$1&SignatureMethod=HMAC-SHA1&SignatureNonce=$Nonce&SignatureVersion=1.0&Timestamp=$Timestamp&Type=A&Value=$2&Version=2015-01-09"
    local result=$(sendRequest $queryString)
    local code=$(echo $result | sed 's/.*,"Code":"\([A-z]*\)",.*/\1/')

    if [ "$code" = "$result" ]; then
        echo "$SubDomain.$Domain 已指向 $NewIP." >&2
    else
        echo "更新失敗." >&2
        echo $result >&2
    fi
}

# $1 = new IP
addRecord() {
    local queryString="AccessKeyId=$ApiId&Action=AddDomainRecord&DomainName=$Domain&Format=JSON&RR=$SubDomain&SignatureMethod=HMAC-SHA1&SignatureNonce=$Nonce&SignatureVersion=1.0&Timestamp=$Timestamp&Type=A&Value=$1&Version=2015-01-09"
    local result=$(sendRequest $queryString)
    local code=$(echo $result | sed 's/.*,"Code":"\([A-z]*\)",.*/\1/')

    if [ "$code" = "$result" ]; then
        echo "$SubDomain.$Domain 已指向 $NewIP." >&2
    else
        echo "添加失敗." >&2
        echo $result >&2
    fi
}

# Get new IP address
echo "獲取當(dāng)前 IP..."
NewIP=$(wget -qO- --no-check-certificate "http://members.3322.org/dyndns/getip")
echo "當(dāng)前 IP 為 $NewIP."

# Get record ID of sub domain
recordId=$(getRecordId)

if [ ! "$recordId" = "quit" ]; then
    if [ "$recordId" = "null" ]; then
        echo "域名記錄不存在, 添加 $SubDomain.$Domain 至 $NewIP..."
        addRecord $NewIP
    else
        echo "域名記錄已存在, 更新 $SubDomain.$Domain 至 $NewIP..."
        updateRecord $recordId $NewIP
    fi
fi

此腳本我放在如下位置，可以根據(jù)自己需求更改

image

打開(kāi)群暉控制面板->計(jì)劃任務(wù)

image

新增任務(wù),截圖中的任務(wù)計(jì)劃為每天7：00-20:50分肋演，每10分鐘執(zhí)行一次

image

image

image

腳本編寫(xiě)格式如下

sh [sh腳本地址] [AccessKey ID] [Access Key] Secret [頂級(jí)域名] [二級(jí)域名]

舉例

sh /volume1/公用/ddns/aliyun.sh 9qJRYksHQeeeeek4 fNJGWee2IFyaUT5XvYeeyGXmeeiPre sout.com nas