#!/usr/bin/perl -w

use Net::FTP;
use Config::IniFiles;
use File::Temp qw/ :POSIX /;

my $host = "ftp.nai.com";
my $user = "anonymous";
my $pass = '-anonymous@';
my $remote_dir = "/virusdefs/4.x/";
my $destination_dir = '/data/AntiVir';

    print "Connecting to McAfee\n";
    my $ftp=Net::FTP->new($host);
    print "Logging in\n";
    $ftp->login($user, $pass);
    $ftp->cwd($remote_dir);

    $ftp->ascii();
    print "getting update information\n";
    $fh = tmpnam(); 
    $ftp->get("update.ini", $fh);
    print "reading update information\n";

    $updateini = Config::IniFiles->new( -file => $fh);

    if ($updateini->SectionExists("SuperDat-IA32")) {
        $superdat=$updateini->val("SuperDat-IA32", "FileName");
    }
    if ($updateini->SectionExists("ZIP")) {
        $dat=$updateini->val("ZIP", "FileName");
    }
    if ($updateini->SectionExists("Incremental")) {
        $updateini->DeleteSection("Incremental");
    }
    if ($updateini->SectionExists("Engine-LINUX")) {
        $updateini->DeleteSection("Engine-LINUX");
    }
    if ($updateini->SectionExists("Engine-NETWARE")) {
        $updateini->DeleteSection("Engine-NETWARE");
    }

    $updateini->WriteConfig("$destination_dir/update.ini");
    unlink($fh);

    $ftp->binary();
    if (! (-e $destination_dir."/".$superdat)) {
        print "downloading $superdat\n";
        $ftp->get("$superdat", $destination_dir."/".$superdat);
    } else {
        print "superdat is the newest version\n";
    }
    if (! (-e $destination_dir."/".$dat)) {
        print "downloading $dat\n";
        $ftp->get("$dat", $destination_dir."/".$dat);
    } else {
        print "dat is the newest version\n";
    }
    print "completed\n";
    $ftp->quit;