openwrt / openwrt/packages

ddns-scripts: SignatureDoesNotMatch

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bug
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Description

Package Name

ddns-scripts

Maintainer

@feckert

OpenWrt Version

24.10.3

OpenWrt Target/Subtarget

ramips/mt7621

Steps to Reproduce

update_aliyun_com.sh error

 025528       : parsing script '/usr/lib/ddns/update_aliyun_com.sh'
 025529       : Run command #> /usr/bin/curl -sSL -o /var/run/ddns/myddns_ipv6.dat --stderr /var/run/ddns/myddns_ipv6.err -w '%{http_code}' "https://alidns.aliyuncs.com/?AccessKeyId=LTxxxRtRFCetdBy&Action=DescribeSubDomainRecords&DomainName=xxx.asia&Format=JSON&SignatureMethod=HMAC-SHA1&SignatureNonce=8140029684790513&SignatureVersion=1.0&SubDomain=ly.xxx.asia&Timestamp=2025-10-19T18%3A55%3A28Z&Type=AAAA&Version=2015-01-09&Signature=http://aliyun.com/"
 025530 ERROR : Run command got error, curl err: 0, http_code: 400
 025530       : DATFILE: {"RequestId":"BF547BC9-5CA7-513A-B73C-E9961E465481","Message":"Specified signature is not matched with our calculation. server string to sign is:GET&%2F&AccessKeyId%3DLTAI5t6PZxxxxtRFCetdBy%26Action%3DDescribeSubDomainRecords%26DomainName%3Dxxxx.asia%26Format%3DJSON%26SignatureMethod%3DHMAC-SHA1%26SignatureNonce%3D8140029684790513%26SignatureVersion%3D1.0%26SubDomain%3Dly.xxxx.asia%26Timestamp%3D2025-10-19T18%253A55%253A28Z%26Type%3DAAAA%26Version%3D2015-01-09","Recommend":"https://api.aliyun.com/troubleshoot?q=SignatureDoesNotMatch&product=Alidns&requestId=BF547BC9-5CA7-513A-B73C-E9961E465481","HostId":"alidns.aliyuncs.com","Code":"SignatureDoesNotMatch"} ERRFILE 

I've found the issue: when installing luci-app-ddns, the packages libopenssl3 and openssl-util weren't installed alongside it, and there’s no check for this dependency in the code either.

Actual Behaviour

Api request error

Confirmation Checklist

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start with the ddns-scripts package metadata and the update_aliyun_com.sh entry point mentioned in the report. Check how luci-app-ddns installs its runtime dependencies, including libopenssl3 and openssl-util, then verify that an Aliyun DNS update no longer returns SignatureDoesNotMatch after installation.

Written by the indexing model from the issue text.

Assessment

Tech stack
shell
Domain
networking
Issue type
Bug
Difficulty
2/5
Estimated time
1-3 hours
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
55/100

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