[Mimedefang] CLAMAV: pid files, sockets, and init scripts

[Steffen Kaiser]

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On Mon, 2 Aug 2010, Gary Funck wrote:

> 2) How does MimeDefang deal with the situation that
> clamd socket file is deleted by either clamd when
> it shuts down, or the init script when it executes
> a "stop" operation?

If you look at entity_contains_virus_clamd() in mimedefang.pl,
you'll see that the socket is opened for each request.

> 3) Per the bug report above, the clamav developer states:
>
>    "clamdscan --reload will reload the DB, and so
>    will SIGUSR2.  There is no command to reload the
>    config file, which is probably what the initscript
>    wants to do with reload."
>
> Is there a Linux/Unix guideline that states something
> along the lines that a init.d controlled service
> must interpret "reload" narrowly to only reload the
> config. file, or is it acceptable to also clear
> caches, reload databases, etc.?

http://refspecs.freestandards.org/LSB_3.1.0/LSB-Core-generic/LSB-Core-generic/iniscrptact.html

"
reload  cause the configuration of the service to be reloaded without 
actually stopping and restarting the service
"
you are free to argue, whether its databases are "configuration", IMHO.
Same for to clear cache.

Regards,

- -- 
Steffen Kaiser
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