mirror of
https://github.com/rapid7/metasploit-framework
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109 lines
3.0 KiB
Ruby
109 lines
3.0 KiB
Ruby
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# :title: PacketFu Documentation
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# :include: ../README
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# :include: ../INSTALL
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# :include: ../LICENSE
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$: << File.expand_path(File.dirname(__FILE__))
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require "packetfu/structfu"
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require "ipaddr"
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require 'rubygems' if RUBY_VERSION =~ /^1\.[0-8]/
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module PacketFu
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# Sets the expected byte order for a pcap file. See PacketFu::Read.set_byte_order
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@byte_order = :little
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# Checks if pcaprub is loaded correctly.
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@@pcaprub_loaded = false
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# PacketFu works best with Pcaprub version 0.8-dev (at least)
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# The current (Aug 01, 2010) pcaprub gem is 0.9, so should be fine.
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def self.pcaprub_platform_require
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begin
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require 'pcaprub'
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rescue LoadError
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return false
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end
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@@pcaprub_loaded = true
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end
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pcaprub_platform_require
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if @@pcaprub_loaded
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if Pcap.version !~ /[0-9]\.[7-9][0-9]?(-dev)?/ # Regex for 0.7-dev and beyond.
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@@pcaprub_loaded = false # Don't bother with broken versions
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raise LoadError, "PcapRub not at a minimum version of 0.8-dev"
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end
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require "packetfu/capture"
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require "packetfu/inject"
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else
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warn "Warning: Missing pcaprub, cannot load PacketFu::Capture or PacketFu::Inject"
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end
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end
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require "packetfu/pcap"
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require "packetfu/packet"
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require "packetfu/invalid"
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require "packetfu/eth"
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require "packetfu/ip"
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require "packetfu/arp"
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require "packetfu/icmp"
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require "packetfu/udp"
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require "packetfu/tcp"
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require "packetfu/ipv6" # This is pretty minimal.
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require "packetfu/utils"
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require "packetfu/config"
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module PacketFu
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VERSION = "1.0.1" # Version 1.0.0 was released July 31, 2010
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# Returns the current version of PacketFu. Incremented every once
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# in a while, when I remember
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def self.version
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PacketFu::VERSION
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end
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# Returns the version in a binary format for easy comparisons.
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def self.binarize_version(str)
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if(str.respond_to?(:split) && str =~ /^[0-9]+(\.([0-9]+)(\.[0-9]+)?)?$/)
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bin_major,bin_minor,bin_teeny = str.split(/\x2e/).map {|x| x.to_i}
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bin_version = (bin_major.to_i << 16) + (bin_minor.to_i << 8) + bin_teeny.to_i
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else
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raise ArgumentError, "Compare version malformed. Should be \x22x.y.z\x22"
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end
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end
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# Returns true if the version is equal to or greater than the compare version.
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# If the current version of PacketFu is "0.3.1" for example:
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#
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# PacketFu.at_least? "0" # => true
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# PacketFu.at_least? "0.2.9" # => true
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# PacketFu.at_least? "0.3" # => true
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# PacketFu.at_least? "1" # => true after 1.0's release
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# PacketFu.at_least? "1.12" # => false
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# PacketFu.at_least? "2" # => false
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def self.at_least?(str)
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this_version = binarize_version(self.version)
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ask_version = binarize_version(str)
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this_version >= ask_version
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end
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# Returns true if the current version is older than the compare version.
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def self.older_than?(str)
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this_version = binarize_version(self.version)
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ask_version = binarize_version(str)
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this_version < ask_version
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end
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# Returns true if the current version is newer than the compare version.
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def self.newer_than?(str)
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return false if str == self.version
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!self.older_than?(str)
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end
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end
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# vim: nowrap sw=2 sts=0 ts=2 ff=unix ft=ruby
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