I need to put the CN on the cert into a variable; it's essentially an 
authenticated string the server knows to be valid (since it has been signed).
I'd like to route messages to a directory based on the string or otherwise send 
them to a fallback directory on a failed cert.



________________________________________
From: Mike Percy [mpe...@apache.org]
Sent: Wednesday, January 29, 2014 6:44 PM
To: user@flume.apache.org
Subject: Re: Adding SSL peer cert info to AvroSource

If it's using a signed cert then what do you need to put into the filter? You 
mean a list of allowed peers? If so then you could either try to piggyback on 
the IpFilter and make it accept hostnames, or yes add another filter config 
option such as hostFilter.

Mike


On Wed, Jan 29, 2014 at 12:23 PM, Pritchard, Charles X. -ND 
<charles.x.pritchard....@disney.com<mailto:charles.x.pritchard....@disney.com>> 
wrote:
I’m trying to add in the feature to expose the client’s peer cert into 
AvroSource:
https://apache.googlesource.com/flume/+/trunk/flume-ng-core/src/main/java/org/apache/flume/source/AvroSource.java

Per the bug request I filed in October:
https://issues.apache.org/jira/browse/FLUME-2204

Any ideas on how I might expose the data — it’s just a string for the CN from 
the peer cert.
I’m having a difficult time figuring out how to expose this connection state 
information so that Flume’s configuration magic can take hold from there.

It seems a little like I need to create yet-another-filter, kind of like 
IpFilter.


Any pointers?


The CN info may be used to route to a particular directory (in an HDFS sink) 
and/or set a header for the AvroEvent, or possibly just validate a
header (header.CN == ssl peer CN   or FAIL).

-Charles

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