#!/usr/bin/perl

use Sys::Syslog;

# Remove the next line if you actually want to do something with this!
exit 0;

$GenericRoot = shift;

$LockFile = "/tmp/GenericBusy.lock";

$LOCK_SH = 1;
$LOCK_EX = 2;
$LOCK_NB = 4;
$LOCK_UN = 8;

Sys::Syslog::openlog("Generic-autoupdate", 'pid, nowait', 'mail');

&LockGeneric();

#
# Do your updating code here. The root directory of your scanner installation
# is in $GenericRoot.
#

&UnlockGeneric();

Sys::Syslog::syslog('info', "Generic scanner successfully updated");
Sys::Syslog::closelog();
exit 0;

sub BailOut {
	Sys::Syslog::syslog('err', @_);
	Sys::Syslog::closelog();
	warn "@_, $!";
	chdir $GenericRoot or die "Cannot cd $GenericRoot, $!";
	exit 1;
}

sub LockGeneric {
	open(LOCK, ">$LockFile") or return;
	flock(LOCK, $LOCK_EX);
	print LOCK "Locked for updating Generic virus scanner by $$\n";
}

sub UnlockGeneric {
	print LOCK "Unlocked after updating Generic virus scanner by $$\n";
	unlink $LockFile;
	flock(LOCK, $LOCK_UN);
	close LOCK;
}