[PATCH] fsav 4.50 and password protected archives

[Gerd v. E. <li...@eg...>]

Hi,

I'm using amavisd-new and F-Secure fsav 4.50 on a lot of servers.
I seems like F-Secure introduced a new response to password protected emails 
with version 4.50:

the scanner exits with code 9 ("At least one file scan failed") and outputs 
a message like

amavis-20030821T175835-02009/parts/part-00003: ERROR: Password protected file [AVP]
amavis-20030821T175835-02009/parts/part-00003: ERROR: Password protected file [F-Prot]

29 files scanned
1 file could not be scanned

I have introduced a combined exitcode / regex checking code in my patch 
because exit code 9 could be issued for other failure cases we want to catch
as real errors too.

My patch is against amavisd-new-20030616-p4 but it looks like amavisd needs 
some patching too.

Feedback welcome and feel free to include this patch into amavis.

Kind regards,

Gerd