Chuck Rolke created QPID-4123:
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Summary: C++ Broker Acl creates too many run-time rules
Key: QPID-4123
URL: https://issues.apache.org/jira/browse/QPID-4123
Project: Qpid
Issue Type: Improvement
Components: C++ Broker
Affects Versions: 0.16
Reporter: Chuck Rolke
Assignee: Chuck Rolke
Priority: Minor
The Acl module creates a table rules in a two dimensional array. The typical
reference to this table is: actionList[action][objType].
When an Acl rule from the file is processed and the action or objType is '*'
then the rule is propagated into the actionList table at every row or column
even when the action/object pair will never be references.
For example a rule such as
acl allow bob publish * name=X routingkey=a.b.c
will put the rule into publish/queue, publish/exchange, publish/broker, etc.
even when only publish/exchange will ever be referenced.
In AclModule.h a validationMap is created that identifies which intersections
in the actionList are ever used but this map is not used.
With 5 objects and 9 actions there are 45 actionList entries. Of these only 13
are ever referenced for authorise lookups.
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