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# -*- coding: binary -*-
# Usage:
# rvmsudo ruby examples/packetfu-shell.rb
# Path setting slight of hand:
$: << File.expand_path("../../lib", __FILE__)
require 'packetfu'
require 'irb'
module PacketFu
def whoami?(args={})
Utils.whoami?(args)
end
def arp(arg)
Utils.arp(arg)
end
end
include PacketFu
# Draws a picture. Includes a nunchuck, so you know that it's serious.
# I /think/ this is how you're supposed to spell it in a kana charset.
# http://jisho.org/words?jap=+%E3%83%91%E3%82%B1%E3%83%83%E3%83%88%E3%83%95&eng=&dict=edict
#
def packetfu_ascii_art
puts <<EOM
_______ _______ _______ _ _______ _________ _______
( ____ )( ___ )( ____ \\| \\ /\\( ____ \\\\__ __/( ____ \\|\\ /|
| ( )|| ( ) || ( \\/| \\ / /| ( \\/ ) ( | ( \\/| ) ( |
| (____)|| (___) || | | (_/ / | (__ | | | (__ | | | |
| _____)| ___ || | | _ ( | __) | | | __) | | | |
| ( | ( ) || | | ( \\ \\ | ( | | | ( | | | |
| ) | ) ( || (____/\\| / \\ \\| (____/\\ | | | ) | (___) |
|/ |/ \\|(_______/|_/ \\/(_______/ )_( |/ (_______)
____________________________ ____________________________
( ) ( )
| 01000001 00101101 01001000 )( )( )( )( )( 00101101 01000001 00100001 |
| )( )( )( )( )( |
(____________________________) (____________________________)
PacketFu
a mid-level packet manipulation library for ruby
EOM
end
@pcaprub_loaded = PacketFu.pcaprub_loaded?
# Displays a helpful banner.
def banner
packetfu_ascii_art
puts ">>> PacketFu Shell #{PacketFu.version}."
if Process.euid.zero? && @pcaprub_loaded
puts ">>> Use $packetfu_default.config for salient networking details."
print "IP: %-15s Mac: %s" % [$packetfu_default.ip_saddr, $packetfu_default.eth_saddr]
puts " Gateway: %s" % $packetfu_default.eth_daddr
print "Net: %-15s" % [Pcap.lookupnet($packetfu_default.iface)][0]
print " " * 13
puts "Iface: %s" % [($packetfu_default.iface)]
puts ">>> Packet capturing/injecting enabled."
else
print ">>> Packet capturing/injecting disabled. "
puts Process.euid.zero? ? "(no PcapRub)" : "(not root)"
end
puts "<>" * 36
end
# Silly wlan0 workaround
begin
$packetfu_default = PacketFu::Config.new(Utils.whoami?) if(@pcaprub_loaded && Process.euid.zero?)
rescue RuntimeError
$packetfu_default = PacketFu::Config.new(Utils.whoami?(:iface => 'wlan0')) if(@pcaprub_loaded && Process.euid.zero?)
end
banner
IRB.start
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