#!/usr/bin/perl # # $Id: d3-syn-send.pl 1640 2009-11-09 17:58:27Z gomor $ # use strict; use warnings; use Getopt::Std; my %opts; getopts('i:I:p:d:v', \%opts); die "Usage: $0 -i dstIp -p dstPort [-I srcIp] [-d device] [-v]\n" unless $opts{i} && $opts{p}; use Net::Packet; $Env->dev($opts{d}) if $opts{d}; $Env->ip ($opts{I}) if $opts{I}; $Env->debug(3) if $opts{v}; my $d4 = Net::Packet::DescL3->new( target => $opts{i}, ); my $frame = Net::Packet::Frame->new( l3 => Net::Packet::IPv4->new( dst => $opts{i}, ), l4 => Net::Packet::TCP->new( dst => $opts{p}, ), ); $frame->send; until ($Env->dump->timeout) { if ($frame->recv) { print "Reply:\n"; print $frame->reply->l3->print, "\n"; print $frame->reply->l4->print, "\n"; last; } } $Env->dump->stop; $Env->dump->clean;