RFC 2459 "Subject Alternative Name"

Greetings,

Is there any preexisting way to expose the X509v3 Subject
Alternative Name data that a client certificate provides into the
environment variable space (or a similar space)? Specially, I
want to obtain the rfc822Name. Currently I am using the deprecated Subject
Distinguished Name EmailAddress attribute, and would prefer the newer
Alternative Name.
Any advice, pointers, or patches are greatly appreciated.

-Andrew Widdowson
--
Carnegie Mellon University Computing Services
Network Development Group
http://www.net.cmu.edu/groups/netdev/

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