How to capture final authentication results?

[Kai GAO]

Dear FreeRadius Developers,

We are developing a network management system and want to integrate
FreeRadius as our web authentication server. One step is to get the final
authentication result (after all customized post authentication steps) for
a given host and save it to a remote server.

I found the post-authentication step to be a good starting point. However,
as I tracked down 'rad_postauth' (src/main/auth.c) -> 'rad_virtual_server'
(src/main/auth.c) and then to various entry points such as
'eap_peap_process' and 'mod_process' of some EAP submodules, I got lost and
couldn't figure it out on my own.

Thus, here are the questions I have: Is there a simple yet efficient way to
get the final authentication results? If so, which source files should I
look into?

Thanks in advance!

Best Regards,

Kai