libmime-tools-perl 5.509-1 / usr / share / doc / libmime-tools-perl / examples / mimeabuse

#!/usr/bin/perl -w

=head1 NAME

mimeabuse - try hard to break MIME parsing

=head1 DESCRIPTION

This is meant to be run from the MIME-tools distribution directory
as a test.  It will attempt to parse the same several messages 1000 
times each.  It does a purge after each parse, so it shouldn't fill up
your disk; however, it should be a good test for hitting resource 
limits.

I wrote this after I discovered that, under Perl 5.002 at least,
FileHandle->new_tmpfile returned an object that did not get
destructed automatically when it exited scope.  :-(

=head1 AUTHOR

Eryq, eryq@zeegee.com

=cut

use MIME::Parser;

my $parser = new MIME::Parser;
((-d "./testin") && (-d "./testout")) or 
	die "run this from the MIME-tools distribution directory";
$parser->output_dir("./testout");
$parser->output_to_core("NONE");

foreach $input (
		'multi-simple.msg',
		'multi-nested3.msg',
		'mp-msg-rfc822.msg'
) {
    $parser->parse_nested_messages($input eq 'mp-msg-rfc822.msg');

    for ($i = 0; $i < 1000; $i++) {
	print STDERR "$input: i = $i\n";
	
	open IN, "testin/$input" or die "open testin/$input: $!";
	$entity = $parser->read(\*IN) or die "MIME error";
	close IN;
	$entity->purge;
    }
}

print "Who-hooo! Done!\n";