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https://issues.apache.org/jira/browse/HBASE-24190?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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zhangbuzhang updated HBASE-24190:
---------------------------------
Component/s: (was: conf)
> Case-sensitive use of configuration parameter hbase.security.authentication
> ---------------------------------------------------------------------------
>
> Key: HBASE-24190
> URL: https://issues.apache.org/jira/browse/HBASE-24190
> Project: HBase
> Issue Type: Bug
> Reporter: zhangbuzhang
> Priority: Major
>
> In hbase-20586 (https://issues.apache.org/jira/browse/HBASE-20586)
> （commit_sha: [https://github.com/apache/hbase/commit/cd61bcc0] ）
> The code added
> ([SyncTable.java|https://github.com/apache/hbase/commit/cd61bcc0#diff-d1b79635f33483bf6226609e91fd1cc3])
> for the use of *hbase.security.authentication* is case-sensitive. So users
> setting it to “KERBEROS” won’t take effect.
>
> {code:java}
> private void initCredentialsForHBase(String zookeeper, Job job) throws
> IOException {
> Configuration peerConf =
> HBaseConfiguration.createClusterConf(job.getConfiguration(), zookeeper);
> if(peerConf.get("hbase.security.authentication").equals("kerberos")){
> TableMapReduceUtil.initCredentialsForCluster(job, peerConf); }
> }
> {code}
>
> However, in current code base, other uses of *hbase.security.authentication*
> are all case-insensitive. For example in *MasterFileSystem.java.*
>
> {code:java}
> public MasterFileSystem(Configuration conf) throws IOException{
> ...
> this.isSecurityEnabled =
> "kerberos".equalsIgnoreCase(conf.get("hbase.security.authentication"));
> ...
> }
> {code}
>
> The doc in GitHub repo is also misleading (Giving upper-case value).
> {quote}As a distributed database, HBase must be able to authenticate users
> and HBase services across an untrusted network. Clients and HBase services
> are treated equivalently in terms of authentication (and this is the only
> time we will draw such a distinction).
> There are currently three modes of authentication which are supported by
> HBase today via the configuration property {{hbase.security.authentication}}
> {{1.SIMPLE}}
> {{2.KERBROS}}
> {{3.TOKEN}}
> {quote}
> Users may misconfigured the parameter because of the case-senstive problem.
> *How To Fix*
> Using *eqaulsIgnoreCase* API consistently in every place when using
> *hbase.security.authentication* or make it clear in Doc.
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