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https://issues.apache.org/jira/browse/HDFS-16004?focusedWorklogId=591870&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-591870
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ASF GitHub Bot logged work on HDFS-16004:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 01/May/21 12:44
Start Date: 01/May/21 12:44
Worklog Time Spent: 10m
Work Description: lujiefsi closed pull request #2966:
URL: https://github.com/apache/hadoop/pull/2966
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Issue Time Tracking
-------------------
Worklog Id: (was: 591870)
Time Spent: 0.5h (was: 20m)
> startLogSegment and journal in BackupNode lack Permission check.
> ----------------------------------------------------------------
>
> Key: HDFS-16004
> URL: https://issues.apache.org/jira/browse/HDFS-16004
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: lujie
> Priority: Critical
> Labels: pull-request-available
> Time Spent: 0.5h
> Remaining Estimate: 0h
>
> I have some doubt when i configurate secure HDFS. I know we have Service
> Level Authorization for protocols like NamenodeProtocol,DatanodeProtocol and
> so on.
> But i do not find such Authorization for JournalProtocol after reading the
> code in HDFSPolicyProvider. And if we have, how can i configurate such
> Authorization?
>
> Besides even NamenodeProtocol has Service Level Authorization, its methods
> still have Permission check. Take startCheckpoint in NameNodeRpcServer who
> implemented NamenodeProtocol for example:
>
> _public NamenodeCommand startCheckpoint(NamenodeRegistration registration)_
> _throws IOException {_
> _String operationName = "startCheckpoint";_
> _checkNNStartup();_
> _{color:#ff6600}namesystem.checkSuperuserPrivilege(operationName);{color}_
> _......_
>
> I found that the methods in BackupNodeRpcServer who implemented
> JournalProtocol lack of such Permission check. See below:
>
>
> _public void startLogSegment(JournalInfo journalInfo, long epoch,_
> _long txid) throws IOException {_
> _namesystem.checkOperation(OperationCategory.JOURNAL);_
> _verifyJournalRequest(journalInfo);_
> _getBNImage().namenodeStartedLogSegment(txid);_
> _}_
>
> _@Override_
> _public void journal(JournalInfo journalInfo, long epoch, long firstTxId,_
> _int numTxns, byte[] records) throws IOException {_
> _namesystem.checkOperation(OperationCategory.JOURNAL);_
> _verifyJournalRequest(journalInfo);_
> _getBNImage().journal(firstTxId, numTxns, records);_
> _}_
>
> Do we need add Permission check for them?
>
> Please point out my mistakes if i am wrong or miss something.
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