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https://issues.apache.org/jira/browse/HADOOP-2229?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12547350
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Sanjay Radia commented on HADOOP-2229:
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In writeFields, please write the kind of authentication technology (something
like "STRING_UGI") to distinguish it from other authentication info such as
tickets.
readFields, it should raise an exception if the the string does not match.
(This may be moot if we go to JAAS and GSS, as it probably has its own way of
taking care of this, but at least it would be consistent for now).
The javadocs comments for some of the public methods are not in the
conventional javadoc style.
> Provide a simple login implementation
> -------------------------------------
>
> Key: HADOOP-2229
> URL: https://issues.apache.org/jira/browse/HADOOP-2229
> Project: Hadoop
> Issue Type: New Feature
> Affects Versions: 0.15.0
> Reporter: Tsz Wo (Nicholas), SZE
> Assignee: Hairong Kuang
> Fix For: 0.16.0
>
> Attachments: ugi.patch, ugi1.patch, ugi2.patch, ugi3.patch, ugi4.patch
>
>
> Give a simple implementation of HADOOP-1701. Hadoop clients are assumed to
> be started within a Unix-like network which provides user and group
> management. This implementation read user information from the OS and send
> them to the NameNode in plaintexts through RPC (see also HADOOP-2184).
> NameNode trusts all information given and uses them for permission checking.
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