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https://issues.apache.org/jira/browse/HADOOP-11478?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Charles Lamb resolved HADOOP-11478.
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Resolution: Not a Problem
> HttpFSServer does not properly impersonate a real user when executing "open"
> operation in a kerberised environment
> ------------------------------------------------------------------------------------------------------------------
>
> Key: HADOOP-11478
> URL: https://issues.apache.org/jira/browse/HADOOP-11478
> Project: Hadoop Common
> Issue Type: Bug
> Affects Versions: 2.6.0
> Environment: CentOS
> Reporter: Ranadip
> Priority: Blocker
>
> Setup:
> - Kerberos enabled in the cluster, including Hue SSO
> - Encryption enabled using KMS. Encryption key and encryption zone created.
> KMS key level ACL created to allow only real user to have all access to the
> key and no one else.
> Manifestation:
> Using Hue, real user logged in using Kerberos credentials. For direct access,
> user does kinit and then uses curl calls.
> New file creation inside encryption zone goes ahead fine as expected.
> But attempts to view the contents of the file fails with exception:
> "User [httpfs] is not authorized to perform [DECRYPT_EEK] on key with ACL
> name [mykeyname]!!"
> Perhaps, this is linked to bug #HDFS-6849. In the file HttpFSServer.java, the
> OPEN handler calls command.execute(fs) directly (and this fails). In CREATE,
> that call is wrapped within fsExecute(user, command). Apparently, this seems
> to cause the problem.
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