Eric Yang created HADOOP-15222:
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Summary: Refine proxy user authorization to support multiple ACL
list
Key: HADOOP-15222
URL: https://issues.apache.org/jira/browse/HADOOP-15222
Project: Hadoop Common
Issue Type: Bug
Components: security
Affects Versions: 3.0.0
Reporter: Eric Yang
This Jira is responding to follow up work for HADOOP-14077. The original goal
of HADOOP-14077 is to have ability to support multiple ACL lists. When
checking for proxy user authorization in AuthenticationFilter to ensure there
is a way to authorize normal users and admin users using separate proxy users
ACL lists. This was suggested in HADOOP-14060 to configure
AuthenticationFilterWithProxyUser this way:
AuthenticationFilterWithProxyUser->StaticUserWebFilter->AuthenticationFIlterWithProxyUser
This enables the second AuthenticationFilterWithProxyUser validates both
credentials claim by proxy user, and end user.
However, there is a side effect that unauthorized users are not properly
rejected with 403 FORBIDDEN message if there is no other web filter configured
to handle the required authorization work.
This JIRA is intend to discuss the work of HADOOP-14077 by either combine
StaticUserWebFilter + second AuthenticationFilterWithProxyUser into a
AuthorizationFilterWithProxyUser as a final filter to evict unauthorized user,
or revert both HADOOP-14077 and HADOOP-13119 to eliminate the false positive in
user authorization.
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