[#HADOOP-4850] Fix IPC Client to not use UGI

Hadoop Common

Fix IPC Client to not use UGI

Created: 12/Dec/08 02:31 AM Updated: 08/Oct/09 07:50 AM

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Component/s:

ipc

Affects Version/s:

0.20.0

Fix Version/s:

None

Time Tracking:

Not Specified

Issue Links:

Blocker

This issue is blocked by:

HADOOP-4656 Add a user to groups mapping service

HADOOP-6299 Use JAAS LoginContext for our login

Reference

This issue relates to:

HADOOP-4487 Security features for Hadoop

Description

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Hadoop embraced JAAS via ~~HADOOP-4348~~.

We need to fix IPC Client to use standard features of JAAS such as LoginContext, Subject etc. rather than UserGroupInformation in the IPC header, Client.Connection etc.

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Arun C Murthy added a comment - 08/Oct/09 07:50 AM

Some details:

Stop sending UGI objects over the wire for RPCs (after HADOOP-4656 is committed)
Use JAAS's LoginContext (via HADOOP-6299) to get user credentials in the RPC layer