pcaprub-0.13.3/ 0000755 0000041 0000041 00000000000 14666442051 013272 5 ustar www-data www-data pcaprub-0.13.3/USAGE.rdoc 0000644 0000041 0000041 00000005635 14666442051 015020 0 ustar www-data www-data = Usage of Pcaprub
Pcaprub is a ruby wrapper to the libpcap libary. It provides a common method to access the c bindings defined in libpcap.
Many of the methods require the Pcap instance to be "ready".
- "Ready" is defined as being initiated with open_live open_dead or open_offline.
== Basics of Pcaprub
require "rubygems"
require "pcaprub"
mypcap = PCAPRUB::Pcap.new
== Backwards Compatibility
Pcaprub is included automatically upon load. This mixes in ::Pcap for backwards compatibility.
require "rubygems"
require "pcaprub"
mypcap = ::Pcap.new
== Setting up a live Capture
dev = PCAPRUB::Pcap.lookupdev
snaplength = 65535
promiscous_mode = true
timeout = 0
system("ifconfig", dev, "up")
capture = ::Pcap.open_live(dev, snaplength, promiscous_mode, timeout)
== Open an existing pcap file
pcapfile = File.dirname(__FILE__) + "/foo.pcap"
if(not File.exists?(pcapfile))
raise RuntimeError, "The PCAP file #{pcapfile} could not be found"
end
capture = ::Pcap.open_offline(pcapfile)
== Setting a BPF Filter
bpf = "ip and not net 10.0.0.0/8"
capture.setfilter(bpf)
== Reading Capture Statistics
Packets Received
capture.stats['recv']
Packets Dropped
capture.stats['drop']
Packets Dropped by Interface
capture.stats['ifdrop']
== Running the Capture
Sniffing a set number of packets and also letting the user Interrupt Early
capture_packets = 100
begin
capture.each do |packet|
p packet
# Handling the number of packets to process
capture_packets -= 1
if capture_packets == 0
break
end
end
# ^C to stop sniffing
rescue Interrupt
puts "\nPacket Capture stopped by interrupt signal."
rescue Exception => e
puts "\nERROR: #{e}"
retry
end
== Examining the DataLink
Ethernet or Linux loopback
if capture.datalink == PCAPRUB::Pcap::DLT_EN10MB
puts "Ethernet 10MB Link detected"
end
== Examining Packet Internals
Sniffing and yielding Packet Objects using "each_packet"
require 'pcaprub'
SNAPLENGTH = 65535
capture = PCAPRUB::Pcap.open_live('wlan0', SNAPLENGTH, true, 0)
capture.setfilter('port 80')
capture_packets = 10
capture.each_packet do |packet|
puts packet.class
puts Time.at(packet.time)
puts "micro => #{packet.microsec}"
puts "Packet Length => #{packet.length}"
p packet.data
capture_packets -= 1
if capture_packets == 0
break
end
end
== Using the Packet Dump Capabilities
Write to file Example.pcap the first 10 packets on eth0.
require 'pcaprub'
SNAPLENGTH = 65535
capture = PCAPRUB::Pcap.open_live('eth0', SNAPLENGTH, true, 0)
dumper = capture.dump_open('./Example.pcap')
capture_packets = 10
capture.each do |packet|
capture.dump(packet.length, packet.length, packet)
capture_packets -= 1
if capture_packets == 0
break
end
end
capture.dump_close
pcaprub-0.13.3/FAQ.rdoc 0000644 0000041 0000041 00000002777 14666442051 014567 0 ustar www-data www-data = FAQ
Enough already! How does this work by example!?
#!/usr/bin/env ruby
require "rubygems"
require "pcaprub"
class CaptureExample
def initialize()
#interface configuration
@dev = ::Pcap.lookupdev
#promiscous_mode = true
@promiscous_mode = false
@timeout = 0
#packet information
@capture_packets = 100
@snaplength = 65535
@bpf = "ip and not dst net 110.0.0.0/8"
end
def getpackets
system("ifconfig", @dev, "up")
capture = ::Pcap.open_live(@dev, @snaplength, @promiscous_mode, @timeout)
capture.setfilter(@bpf)
begin
puts "Started capture..(#{@dev} => \"#{@bpf}\")"
capture.each do |packet|
# Handling the number of packets to process
@capture_packets -= 1
if @capture_packets == 0
break
end
end
# ^C to stop sniffing
rescue Interrupt
puts "\nPacket Capture stopped by interrupt signal."
rescue Exception => e
puts "\nERROR: #{e}"
retry
end
puts "Captured #{100 - @capture_packets} packets"
return capture
end
end
mycapture = CaptureExample.new()
packet_capture = mycapture.getpackets
puts "capture.stats['recv'] = #{packet_capture.stats['recv']}"
puts "capture.stats['drop'] = #{packet_capture.stats['drop']}"
pcaprub-0.13.3/README.rdoc 0000644 0000041 0000041 00000007736 14666442051 015115 0 ustar www-data www-data = pcaprub
{
}[https://gitter.im/pcaprub/pcaprub?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge]
{
}[https://ci.appveyor.com/project/shadowbq/pcaprub]
{
}[https://codeclimate.com/github/pcaprub/pcaprub]
{
}[http://badge.fury.io/rb/pcaprub]
{
}[https://gemnasium.com/pcaprub/pcaprub]
This goal of this project is to provide a consistent interface
to LBL's libpcap packet capture library.
== Limitations
This does not provide packet processing functionality, it simply provides
the interface for capturing packets, and passing yielding those packets.
For packet processing capability look at ruby gems PCAPFU, PCAPLET, etc..
== Requirements
MRI POSIX Ruby (Native compilation) [Travis-CI Tested]
~> Ruby 2.4
libpcap - http://www.tcpdump.org
Ruby with DevKit(32bit) on Windows [AppVeyor Tested]
Ruby 1.9.3
~> Ruby 2.x
WinPcap Developer's Pack - http://www.winpcap.org
== Installation
gem install pcaprub
Advanced options in a Windows ENV
gem install pcaprub --no-ri --no-rdoc -- --with-pcap-dir="c:/dev/src/WpdPack"
== Usage
require 'rubygems'
require 'pcaprub'
cap = PCAPRUB::Pcap.new
== Current Repository for Gemcutter source
The Git Repo on Github @pcaprub is forked from the Metasploit SVN repo
git clone git://github.com/pcaprub/pcaprub.git
== Additionals
=== Notes on 0.11.x series and beyond.
The gem is now a module. The module is autoincluded, but this helps with name collisions and additional growth.
Some of the Error handling and basic intensive code is moving out the C base-extension (ext) and into native Ruby.
The file handling in dumper is now attached to the Capture Class and not the Module as an additional singleton.
capture = PCAPRUB::Pcap.open_live('eth0', SNAPLENGTH, true, 0)
capture.dump_open('./Example.pcap')
{ ... }
capture.dump_close
=== Timstamps from the PCAP Header
Timestamps are now available when yeilding packets instead of strings
capture = PCAPRUB::Pcap.open_live('eth0', SNAPLENGTH, true, 0)
capture.each_packet do |packet|
puts Time.at(packet.time)
puts "micro => #{packet.microsec}"
end
=== Ruby 1.8.7 & WinPcap
On Ruby 1.8 with winpcap, rb_thread_polling pauses for 100 milliseconds between reads. This may mean some packets are missed.
== LICENSE
GNU Lesser General Public License v2.1 (LGPL-2.1)
https://www.tldrlegal.com/l/lgpl2
See LICENCE for details
Copyright © 2010 - 2014
=== Notes on other repositories in compliance with LGPL-2.1
All original code maintains its copyright from its original authors and licensing.
On March 2014 this project was migrated to https://github.com/pcaprub/pcaprub from https://github.com/shadowbq/pcaprub
The Git Repo on Github @pcaprub is a forked merge from the Metasploit SVN repo
git clone git://github.com/shadowbq/pcaprub.git (moved)
The Metasploit Project also provides a Subversion repository: (0.9-dev)
svn checkout http://metasploit.com/svn/framework3/trunk/external/pcaprub/
Packetfu Project also provides a listing (0.9-dev)
http://code.google.com/p/packetfu/source/browse/#svn/trunk/pcaprub_linux
The Marshall Beddoe's Outdate RubyForge svn version can be obtained from Subversion: (0.7-dev)
svn checkout http://pcaprub.rubyforge.org/svn/trunk/
http download Public Rubyforge (0.6)
https://github.com/unmarshal/pcaprub
SourceForge Masaki Fukushima 2000 (0.6) -- Object Creation Heavy Implementation (PCAPLET integrated)
http://sourceforge.net/apps/trac/rubypcap/
Additonal Github Repos
https://github.com/dxoigmn/pcaprub (0.8-dev)
https://github.com/spox /pcaprub-spox (0.8-dev+)
pcaprub-0.13.3/.document 0000644 0000041 0000041 00000000074 14666442051 015112 0 ustar www-data www-data README.rdoc
lib/**/*.rb
bin/*
features/**/*.feature
LICENSE
pcaprub-0.13.3/lib/ 0000755 0000041 0000041 00000000000 14666442051 014040 5 ustar www-data www-data pcaprub-0.13.3/lib/pcaprub/ 0000755 0000041 0000041 00000000000 14666442051 015474 5 ustar www-data www-data pcaprub-0.13.3/lib/pcaprub/common.rb 0000644 0000041 0000041 00000001023 14666442051 017305 0 ustar www-data www-data
module PCAPRUB
# The base exception for JSON errors.
class PCAPRUBError < StandardError; end
# This exception is raised, if a Device Binding error occurs.
class BindingError < PCAPRUBError; end
# This exception is raised, if the BPF Filter raises a fault
class BPFError < PCAPRUBError; end
# This exception is raised, if the libpcap Dumper raises a fault
# deep.
class DumperError < PCAPRUBError; end
# Raised if unable to set underlying capture link type
class LinkTypeError < PCAPRUBError; end
end
pcaprub-0.13.3/lib/pcaprub/ext.rb 0000644 0000041 0000041 00000000473 14666442051 016625 0 ustar www-data www-data begin
if RUBY_VERSION =~ /2.0/
require '2.0/pcaprub_c'
elsif RUBY_VERSION =~ /2.1/
require '2.1/pcaprub_c'
elsif RUBY_VERSION =~ /2.2/
require '2.2/pcaprub_c'
elsif RUBY_VERSION =~ /2.3/
require '2.3/pcaprub_c'
else
require 'pcaprub_c'
end
rescue Exception
require 'pcaprub_c'
end
pcaprub-0.13.3/lib/pcaprub/version.rb 0000644 0000041 0000041 00000000355 14666442051 017511 0 ustar www-data www-data module PCAPRUB #:nodoc:
module VERSION #:nodoc:
MAJOR = 0
MINOR = 13
TINY = 3
STRING = [MAJOR, MINOR, TINY].join('.')
end
class Pcap
def self.version
return PCAPRUB::VERSION::STRING
end
end
end
pcaprub-0.13.3/lib/pcaprub.rb 0000644 0000041 0000041 00000001406 14666442051 016022 0 ustar www-data www-data module PCAPRUB
$:.unshift(File.dirname(__FILE__))
require 'pcaprub/common'
require 'pcaprub/version'
add_dll_path = proc do |path, &block|
if RUBY_PLATFORM =~/(mswin|mingw)/i && path && File.exist?(path)
begin
require 'ruby_installer/runtime'
RubyInstaller::Runtime.add_dll_directory(path, &block)
rescue LoadError
old_path = ENV['PATH']
ENV['PATH'] = "#{path};#{old_path}"
begin
block.call
ensure
ENV['PATH'] = old_path
end
end
else
block.call
end
end
npcap_path = "C:\\Windows\\System32\\Npcap"
add_dll_path.call(npcap_path) do
require 'pcaprub/ext'
end
end
#Force Include to allow backwards compatibility to ::PCAP.new
include PCAPRUB
pcaprub-0.13.3/test/ 0000755 0000041 0000041 00000000000 14666442051 014251 5 ustar www-data www-data pcaprub-0.13.3/test/test_pcaprub_unit.rb 0000644 0000041 0000041 00000007717 14666442051 020344 0 ustar www-data www-data #!/usr/bin/env ruby
base = File.symlink?(__FILE__) ? File.readlink(__FILE__) : __FILE__
$:.unshift(File.join(File.dirname(base)))
require File.expand_path '../test_helper.rb', __FILE__
#
# Simple unit test, requires r00t.
#
class Pcap::UnitTest < Test::Unit::TestCase
def test_version
assert_equal(String, Pcap.version.class)
# puts "Pcaprub version: #{Pcap.version}"
end
def test_lookupdev
assert_equal(String, Pcap.lookupdev.class)
# puts "Pcaprub default device: #{Pcap.lookupdev}"
end
def test_lookupnet
dev = Pcap.lookupdev
assert_equal(Array, Pcap.lookupnet(dev).class)
net = Pcap.lookupnet(dev)
assert net
# puts "Pcaprub net (#{dev}): #{net[0]} #{[net[1]].pack("N").unpack("H*")[0]}"
end
def test_pcap_new
o = Pcap.new
assert_equal(Pcap, o.class)
end
def test_pcap_setfilter_bad
e = nil
o = Pcap.new
begin
o.setfilter("not ip")
rescue ::Exception => e
end
assert_equal(e.class, PCAPRUB::PCAPRUBError)
end
def test_pcap_setfilter
d = Pcap.lookupdev
o = Pcap.open_live(d, 65535, true, 1)
r = o.setfilter("not ip")
assert_equal(Pcap, r.class)
end
def test_pcap_inject
d = Pcap.lookupdev
o = Pcap.open_live(d, 65535, true, 1)
r = o.inject("X" * 512)
assert_equal(512, r)
# UPDATE: TRAVIS CI is now on a new hardware platform.
# Travis CI's virtual network interface does not support injection
#if ENV['CI']
# assert_equal(-1,r)
#else
# assert_equal(512, r)
#end
end
def test_pcap_datalink
d = Pcap.lookupdev
o = Pcap.open_live(d, 65535, true, 1)
r = o.datalink
assert_equal(Integer, r.class)
end
def test_pcap_snapshot
d = Pcap.lookupdev
o = Pcap.open_live(d, 1344, true, 1)
r = o.snapshot
assert_equal(1344, r)
end
def test_pcap_stats
d = Pcap.lookupdev
o = Pcap.open_live(d, 1344, true, 1)
r = o.stats
assert_equal(Hash, r.class)
end
def test_pcap_next
d = Pcap.lookupdev
o = Pcap.open_live(d, 1344, true, 1)
@c = 0
t = Thread.new { while(true); @c += 1; select(nil, nil, nil, 0.10); end; }
pkt_count = 0
require 'timeout'
begin
Timeout.timeout(10) do
o.each do |pkt|
pkt_count += 1
end
end
rescue ::Timeout::Error
end
t.kill
# puts "Background thread ticked #{@c} times while capture was running"
# puts "Captured #{pkt_count} packets"
assert(0 < @c, "Background thread failed to tick while capture was running");
true
end
def test_create_from_primitives
d = Pcap.lookupdev
o = Pcap.create(d).setsnaplen(65535).settimeout(100).setpromisc(true)
assert_equal(o, o.activate)
o.close
end
def test_set_datalink
d = Pcap.lookupdev
o = Pcap.open_live(d, 65535, true, 1)
dls = o.listdatalinks
begin
assert_equal(o,o.setdatalink(dls.values.first))
rescue PCAPRUB::LinkTypeError
print "#{dls} - Data LinkType Binding issue in the environment (Skipping)"
assert_equal(o,o)
end
end
def test_monitor
return if RUBY_PLATFORM =~ /mingw/
d = Pcap.lookupdev
o = Pcap.create(d)
assert_equal(o, o.setmonitor(true))
end
def test_open_dead
# No applied filters on OPEN_DEAD just compile checking
o = Pcap.open_dead(Pcap::DLT_NULL, 65535)
assert_nothing_raised do
o.compile("ip host 1.2.3.4")
end
assert_raise PCAPRUB::BPFError do
o.setfilter("ip host 1.2.3.5")
end
end
def test_filter
d = Pcap.lookupdev
o = Pcap.create(d)
o.activate
assert_nothing_raised do
o.compile("ip host 1.2.3.4")
end
assert_raise PCAPRUB::BPFError do
o.compile("A non working filter")
end
end
def test_lib_version
v = Pcap.lib_version.split
if RUBY_PLATFORM =~ /mingw/
winpcap = 'WinPcap' == v[0]
npcap = 'Npcap' == v[0]
assert winpcap || npcap
else
assert_equal "libpcap", v[0]
end
assert_equal "version", v[1]
end
end
pcaprub-0.13.3/test/test_helper.rb 0000644 0000041 0000041 00000000401 14666442051 017107 0 ustar www-data www-data require 'rubygems'
require 'bundler/setup'
$LOAD_PATH.unshift(File.join(File.dirname(__FILE__), '..', 'lib'))
$LOAD_PATH.unshift(File.dirname(__FILE__))
require "minitest/autorun"
require 'test/unit'
require 'pcaprub'
require 'coveralls'
Coveralls.wear!
pcaprub-0.13.3/Rakefile 0000644 0000041 0000041 00000006705 14666442051 014747 0 ustar www-data www-data #require "bundler/gem_tasks"
require './lib/pcaprub/version.rb'
def java?
/java/ === RUBY_PLATFORM
end
ENV['LANG'] = "en_US.UTF-8"
@gemspec = Gem::Specification.new do |spec|
spec.name = "pcaprub"
spec.version = PCAPRUB::Pcap.version
spec.authors = ["shadowbq", "crondaemon", "jmcavinee", "unmarshal"]
spec.email = "shadowbq@gmail.com"
spec.description = "libpcap bindings for Ruby 2.x"
spec.summary = "libpcap bindings for ruby"
spec.homepage = "https://github.com/pcaprub/pcaprub"
spec.requirements = "libpcap"
spec.license = "LGPL-2.1"
spec.required_ruby_version = '>= 2.0'
spec.files = [
".document",
"FAQ.rdoc",
"Gemfile",
"LICENSE",
"README.rdoc",
"Rakefile",
"USAGE.rdoc",
"examples/dead_cap.rb",
"examples/file_cap.rb",
"examples/simple_cap.rb",
"examples/telnet-raw.pcap",
"ext/pcaprub_c/extconf.rb",
"ext/pcaprub_c/pcaprub.c",
"lib/pcaprub.rb",
"lib/pcaprub/common.rb",
"lib/pcaprub/ext.rb",
"lib/pcaprub/version.rb",
"test/test_helper.rb",
"test/test_pcaprub_unit.rb"
]
spec.extra_rdoc_files = [
"FAQ.rdoc",
"LICENSE",
"README.rdoc",
"USAGE.rdoc",
"ext/pcaprub_c/pcaprub.c"
]
spec.extensions = FileList["ext/**/extconf.rb"]
spec.executables = spec.files.grep(%r{^bin/}) { |f| File.basename(f) }
spec.test_files = spec.files.grep(%r{^(test|spec|features)/})
spec.require_paths = ["lib"]
spec.add_development_dependency "bundler", "~> 1.3"
spec.add_development_dependency "rake", '~> 0.9', '>= 0.9.2'
spec.add_development_dependency "rake-compiler", '~> 0.6', '>= 0.6.0'
spec.add_development_dependency "shoulda-context", '~> 1.1', '~> 1.1.6'
spec.add_development_dependency "minitest", '~> 4.7', '>= 4.7.0'
end
require 'rake/testtask'
Rake::TestTask.new(:test) do |test|
test.libs << 'lib' << 'test'
test.test_files = FileList['test/test_pcaprub_unit.rb']
test.verbose = true
end
task :test
require 'rubygems/package_task'
Gem::PackageTask.new(@gemspec) do |pkg|
pkg.need_zip = false
pkg.need_tar = false
end
# prepend DevKit into compilation phase
if RUBY_PLATFORM =~ /mingw/
task :compile => [:devkit]
task :native => [:devkit]
end
task :devkit do
begin
require "devkit"
rescue LoadError => e
abort "Failed to activate RubyInstaller's DevKit required for compilation."
end
end
require 'rake/extensiontask'
Rake::ExtensionTask.new('pcaprub_c', @gemspec)
task :default => [:compile, :test]
require 'rdoc/task'
RDoc::Task.new do |rdoc|
version = PCAPRUB::VERSION::STRING
rdoc.rdoc_dir = 'rdoc'
rdoc.title = "pcaprub #{version}"
rdoc.rdoc_files.include('README*')
rdoc.rdoc_files.include('FAQ*')
rdoc.rdoc_files.include('LICENSE*')
rdoc.rdoc_files.include('lib/**/*.rb')
rdoc.rdoc_files.include('ext/**/*.c')
end
require 'rubygems/tasks'
Gem::Tasks.new
# Override standard release task
require 'git'
Rake::Task["release"].clear
desc 'Release the gem (create tag, build, publish)'
task :release do
version = "#{PCAPRUB::VERSION::STRING}"
remote = 'origin'
puts "Creating tag v#{version}"
git = Git.open(".")
git.add_tag("v#{version}")
puts "Pushing tag to #{remote}"
git.push(remote, 'master', true)
Rake::Task['clobber'].invoke
Rake::Task['compile'].invoke
Rake::Task['gem'].invoke
gemtask = Gem::Tasks::Push.new
gemtask.push("pkg/pcaprub-#{version}.gem")
end
pcaprub-0.13.3/pcaprub.gemspec 0000644 0000041 0000041 00000005155 14666442051 016301 0 ustar www-data www-data #########################################################
# This file has been automatically generated by gem2tgz #
#########################################################
# -*- encoding: utf-8 -*-
# stub: pcaprub 0.13.3 ruby lib
# stub: ext/pcaprub_c/extconf.rb
Gem::Specification.new do |s|
s.name = "pcaprub".freeze
s.version = "0.13.3"
s.required_rubygems_version = Gem::Requirement.new(">= 0".freeze) if s.respond_to? :required_rubygems_version=
s.require_paths = ["lib".freeze]
s.authors = ["shadowbq".freeze, "crondaemon".freeze, "jmcavinee".freeze, "unmarshal".freeze]
s.date = "2024-07-29"
s.description = "libpcap bindings for Ruby 2.x".freeze
s.email = "shadowbq@gmail.com".freeze
s.extensions = ["ext/pcaprub_c/extconf.rb".freeze]
s.extra_rdoc_files = ["FAQ.rdoc".freeze, "LICENSE".freeze, "README.rdoc".freeze, "USAGE.rdoc".freeze, "ext/pcaprub_c/pcaprub.c".freeze]
s.files = [".document".freeze, "FAQ.rdoc".freeze, "Gemfile".freeze, "LICENSE".freeze, "README.rdoc".freeze, "Rakefile".freeze, "USAGE.rdoc".freeze, "examples/dead_cap.rb".freeze, "examples/file_cap.rb".freeze, "examples/simple_cap.rb".freeze, "examples/telnet-raw.pcap".freeze, "ext/pcaprub_c/extconf.rb".freeze, "ext/pcaprub_c/pcaprub.c".freeze, "lib/pcaprub.rb".freeze, "lib/pcaprub/common.rb".freeze, "lib/pcaprub/ext.rb".freeze, "lib/pcaprub/version.rb".freeze, "test/test_helper.rb".freeze, "test/test_pcaprub_unit.rb".freeze]
s.homepage = "https://github.com/pcaprub/pcaprub".freeze
s.licenses = ["LGPL-2.1".freeze]
s.required_ruby_version = Gem::Requirement.new(">= 2.0".freeze)
s.requirements = ["libpcap".freeze]
s.rubygems_version = "3.3.15".freeze
s.summary = "libpcap bindings for ruby".freeze
s.test_files = ["test/test_helper.rb".freeze, "test/test_pcaprub_unit.rb".freeze]
if s.respond_to? :specification_version then
s.specification_version = 4
end
if s.respond_to? :add_runtime_dependency then
s.add_development_dependency(%q.freeze, ["~> 1.3"])
s.add_development_dependency(%q.freeze, ["~> 4.7", ">= 4.7.0"])
s.add_development_dependency(%q.freeze, ["~> 0.9", ">= 0.9.2"])
s.add_development_dependency(%q.freeze, ["~> 0.6", ">= 0.6.0"])
s.add_development_dependency(%q.freeze, ["~> 1.1", "~> 1.1.6"])
else
s.add_dependency(%q.freeze, ["~> 1.3"])
s.add_dependency(%q.freeze, ["~> 4.7", ">= 4.7.0"])
s.add_dependency(%q.freeze, ["~> 0.9", ">= 0.9.2"])
s.add_dependency(%q.freeze, ["~> 0.6", ">= 0.6.0"])
s.add_dependency(%q.freeze, ["~> 1.1", "~> 1.1.6"])
end
end
pcaprub-0.13.3/Gemfile 0000644 0000041 0000041 00000000741 14666442051 014567 0 ustar www-data www-data source 'https://rubygems.org'
group :development, :test do
# Prevent occasions where minitest is not bundled in packaged versions of ruby (see #3826)
gem 'minitest', '~> 4.7.0'
gem 'shoulda-context', '~> 1.1.6'
gem 'test-unit'
gem 'coveralls', :require => false
end
gem 'rake-compiler', '>= 0.6.0'
gem 'rubygems-tasks'
if Bundler.current_ruby.mri? || Bundler.current_ruby.mingw? || Bundler.current_ruby.x64_mingw?
gem 'rake', '>= 0.9.2'
gem 'git', '~> 1.13.0'
end
pcaprub-0.13.3/LICENSE 0000644 0000041 0000041 00000057506 14666442051 014314 0 ustar www-data www-data GNU LESSER GENERAL PUBLIC LICENSE
Version 2.1, February 1999
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pcaprub-0.13.3/ext/ 0000755 0000041 0000041 00000000000 14666442051 014072 5 ustar www-data www-data pcaprub-0.13.3/ext/pcaprub_c/ 0000755 0000041 0000041 00000000000 14666442051 016030 5 ustar www-data www-data pcaprub-0.13.3/ext/pcaprub_c/pcaprub.c 0000644 0000041 0000041 00000102167 14666442051 017637 0 ustar www-data www-data #include "ruby.h"
#ifdef HAVE_RUBY_THREAD_H
#include "ruby/thread.h"
#endif
#ifdef MAKE_TRAP
#include "rubysig.h"
#endif
#include
// Win32-Extensions only exist in winpcap not npcap
#if defined(WIN32)
#ifdef HAVE_WIN32_EXTENSIONS_H
#include
#endif
#endif
#if !defined(WIN32)
#include
#include
#include
#endif
static VALUE mPCAP;
static VALUE rb_cPcap, rb_cPkt;
static VALUE ePCAPRUBError, eDumperError, eBindingError, eBPFilterError, eLinkTypeError;
#if defined(WIN32)
static VALUE rbpcap_thread_wait_handle(HANDLE fno);
#endif
// Now defined in Native Ruby
// #define PCAPRUB_VERSION "*.*.*"
#define OFFLINE 1
#define LIVE 2
#define DEAD 3
#if !defined(PCAP_NETMASK_UNKNOWN)
/*
* Version of libpcap < 1.1
* Value to pass to pcap_compile() as the netmask if you dont know what the netmask is.
*/
#define PCAP_NETMASK_UNKNOWN 0xffffffff
#endif
typedef struct rbpcap {
pcap_t *pd;
pcap_dumper_t *pdt;
char iface[256];
char type;
} rbpcap_t;
typedef struct rbpcapjob {
struct pcap_pkthdr hdr;
unsigned char *pkt;
int wtf;
} rbpcapjob_t;
typedef struct rbpacket {
struct pcap_pkthdr hdr;
u_char* pkt;
} rbpacket_t;
/*
* Return the pcap version
*/
static VALUE
rbpcap_s_lib_version(VALUE self)
{
return rb_str_new2(pcap_lib_version());
}
/*
* Return the name of a network device on the system.
*
* The pcap_lookupdev subroutine gets a network device suitable for use with the pcap_open_live and the pcap_lookupnet subroutines. If no interface can be found, or none are configured to be up, Null is returned. In the case of multiple network devices attached to the system, the pcap_lookupdev subroutine returns the first one it finds to be up, other than the loopback interface. (Loopback is always ignored.)
*/
static VALUE
rbpcap_s_lookupdev(VALUE self)
{
char *dev = NULL;
char eb[PCAP_ERRBUF_SIZE];
VALUE ret_dev; /* device string to return */
pcap_if_t *alldevs;
pcap_if_t *d;
/* Retrieve the device list from the local machine */
if (pcap_findalldevs(&alldevs,eb) == -1) {
rb_raise(eBindingError,"%s",eb);
}
/* Find the first interface with an address and not loopback */
for(d = alldevs; d != NULL; d= d->next) {
if(d->name && d->addresses && !(d->flags & PCAP_IF_LOOPBACK)) {
dev=d->name;
break;
}
}
if (dev == NULL) {
rb_raise(eBindingError,"%s","No valid interfaces found, Make sure WinPcap is installed.\n");
}
ret_dev = rb_str_new2(dev);
/* We don't need any more the device list. Free it */
pcap_freealldevs(alldevs);
return ret_dev;
}
/*
* Returns the network address and subnet mask for a network device.
*/
static VALUE
rbpcap_s_lookupnet(VALUE self, VALUE dev)
{
bpf_u_int32 net, mask, m;
struct in_addr addr;
char eb[PCAP_ERRBUF_SIZE];
VALUE list;
Check_Type(dev, T_STRING);
if (pcap_lookupnet(StringValuePtr(dev), &net, &mask, eb) == -1) {
rb_raise(rb_eRuntimeError, "%s", eb);
}
addr.s_addr = net;
m = ntohl(mask);
list = rb_ary_new();
rb_ary_push(list, rb_str_new2((char *) inet_ntoa(addr)));
rb_ary_push(list, UINT2NUM(m));
return(list);
}
/*
* Check if PCAP file or device is bound and loaded
*/
static int rbpcap_ready(rbpcap_t *rbp) {
if(! rbp->pd) {
rb_raise(ePCAPRUBError, "a device or pcap file must be opened first");
return 0;
}
return 1;
}
/*
* Automated Garbage Collection for Pcap Class
*/
static void rbpcap_free(rbpcap_t *rbp) {
if (rbp->pd)
pcap_close(rbp->pd);
if (rbp->pdt)
pcap_dump_close(rbp->pdt);
rbp->pd = NULL;
rbp->pdt = NULL;
free(rbp);
}
/*
* Automated Garbage Collection for Packet Class
*/
static void rbpacket_free(rbpacket_t *rbpacket)
{
if(rbpacket->pkt != NULL) {
rbpacket->pkt = NULL;
}
free(rbpacket);
}
/*
* Creates a new Pcap instance and returns the object itself.
*/
static VALUE
rbpcap_new_s(VALUE class)
{
VALUE self;
rbpcap_t *rbp;
// need to make destructor do a pcap_close later
self = Data_Make_Struct(class, rbpcap_t, 0, rbpcap_free, rbp);
rb_obj_call_init(self, 0, 0);
memset(rbp, 0, sizeof(rbpcap_t));
return self;
}
/*
* Creates a new Packet instance and returns the object itself.
*/
static VALUE
rbpacket_new_s(VALUE class)
{
VALUE self;
rbpacket_t *rbpacket;
// need to make destructor do a pcap_close later
self = Data_Make_Struct(class, rbpacket_t, 0, rbpacket_free, rbpacket);
rb_obj_call_init(self, 0, 0);
memset(rbpacket, 0, sizeof(rbpacket_t));
return self;
}
/*
* call-seq:
* setmonitor(true)
*
* Set monitor mode for the capture.
*
* Returns the object itself.
*/
static VALUE
rbpcap_setmonitor(VALUE self, VALUE mode)
{
rbpcap_t *rbp;
int rfmon_mode = 0;
Data_Get_Struct(self, rbpcap_t, rbp);
if (mode == Qtrue) {
rfmon_mode = 1;
} else if (mode == Qfalse) {
rfmon_mode = 0;
} else {
rb_raise(rb_eArgError, "Monitor mode must be a boolean");
}
#if defined(WIN32)
// monitor mode support was disabled in WinPcap 4.0.2
rb_raise(ePCAPRUBError, "set monitor mode not supported in WinPcap");
#else
if (pcap_set_rfmon(rbp->pd, rfmon_mode) == 0) {
return self;
} else {
rb_raise(ePCAPRUBError, "unable to set monitor mode");
}
#endif
}
/*
* call-seq:
* settimeout(1234)
*
* Set timeout for the capture.
*
* Returns the object itself.
*/
static VALUE
rbpcap_settimeout(VALUE self, VALUE timeout)
{
rbpcap_t *rbp;
Data_Get_Struct(self, rbpcap_t, rbp);
if(TYPE(timeout) != T_FIXNUM)
rb_raise(rb_eArgError, "timeout must be a fixnum");
if (pcap_set_timeout(rbp->pd, NUM2INT(timeout)) == 0) {
return self;
} else {
rb_raise(ePCAPRUBError, "unable to set timeout");
}
}
/*
* call-seq:
* listdatalinks()
*
* Get supported datalinks for this interface
*
* Returns an array of supported datalinks.
*/
static VALUE
rbpcap_listdatalinks(VALUE self)
{
rbpcap_t *rbp;
int *links, numlinks;
int i;
Data_Get_Struct(self, rbpcap_t, rbp);
numlinks = pcap_list_datalinks(rbp->pd, &links);
if (numlinks > 0) {
VALUE hash = rb_hash_new();
for (i = 0; i < numlinks; i++) {
const char *name = pcap_datalink_val_to_name(links[i]);
if (name != NULL) {
VALUE namestring = rb_str_new2(name);
rb_hash_aset(hash, INT2NUM(links[i]), namestring);
}
}
pcap_free_datalinks(links);
return hash;
} else {
rb_raise(eLinkTypeError, "unable to get datalinks (%d): %s", numlinks, pcap_geterr(rbp->pd));
}
}
/*
* call-seq:
* setdatalink(1234)
*
* Set datalink type for the capture.
*
* Returns the object itself.
*/
static VALUE
rbpcap_setdatalink(VALUE self, VALUE datalink)
{
rbpcap_t *rbp;
int linktype, errcode;
Data_Get_Struct(self, rbpcap_t, rbp);
if(TYPE(datalink) == T_FIXNUM ) {
linktype = NUM2INT(datalink);
} else if (TYPE(datalink) == T_STRING) {
linktype = pcap_datalink_name_to_val(RSTRING_PTR(datalink));
if (linktype < 0) {
rb_raise(eLinkTypeError, "invalid datalink name: %s", RSTRING_PTR(datalink));
}
} else {
rb_raise(rb_eArgError, "datalink type must be a string or fixnum");
}
errcode = pcap_set_datalink(rbp->pd, linktype);
if (errcode == 0) {
return self;
} else {
rb_raise(eLinkTypeError, "unable to set datalink (%d): %s", errcode, pcap_geterr(rbp->pd));
}
}
/*
* call-seq:
* setsnaplen(true)
*
* Set snap length for the capture.
*
* Returns the object itself.
*/
static VALUE
rbpcap_setsnaplen(VALUE self, VALUE snaplen)
{
rbpcap_t *rbp;
Data_Get_Struct(self, rbpcap_t, rbp);
if(TYPE(snaplen) != T_FIXNUM)
rb_raise(rb_eArgError, "snaplen must be a fixnum");
if (pcap_set_snaplen(rbp->pd, NUM2INT(snaplen)) == 0) {
return self;
} else {
rb_raise(ePCAPRUBError, "unable to set snap length");
}
}
/*
* call-seq:
* setpromisc(true)
*
* Set promiscuous mode for the capture.
*
* Returns the object itself.
*/
static VALUE
rbpcap_setpromisc(VALUE self, VALUE mode)
{
rbpcap_t *rbp;
int promisc_mode = 0;
Data_Get_Struct(self, rbpcap_t, rbp);
if (mode == Qtrue) {
promisc_mode = 1;
} else if (mode == Qfalse) {
promisc_mode = 0;
} else {
rb_raise(rb_eArgError, "Promisc mode must be a boolean");
}
if (pcap_set_promisc(rbp->pd, promisc_mode) == 0) {
return self;
} else {
rb_raise(ePCAPRUBError, "unable to set promiscuous mode");
}
}
/*
* call-seq:
* setfilter(filter)
*
* Provide a valid bpf-filter to apply to the packet capture
*
* # Show me all SYN packets:
* bpf-filter = "tcp[13] & 2 != 0"
* capture.setfilter(bpf-filter)
*
* Examples:
* * "net 10.0.0.0/8"
* * "not tcp and dst host 192.168.1.1"
*
* Returns the object itself.
*/
static VALUE
rbpcap_setfilter(VALUE self, VALUE filter)
{
char eb[PCAP_ERRBUF_SIZE];
rbpcap_t *rbp;
bpf_u_int32 mask = 0, netid = 0;
struct bpf_program bpf;
Data_Get_Struct(self, rbpcap_t, rbp);
if(TYPE(filter) != T_STRING)
rb_raise(eBPFilterError, "filter must be a string");
if(! rbpcap_ready(rbp)) return self;
if(rbp->type == DEAD) {
rb_raise(eBPFilterError, "unable to set bpf filter on OPEN_DEAD");
}
if(rbp->type == LIVE)
if(pcap_lookupnet(rbp->iface, &netid, &mask, eb) < 0) {
netid = 0;
mask = 0;
rb_warn("unable to get IP: %s", eb);
}
if(pcap_compile(rbp->pd, &bpf, RSTRING_PTR(filter), 0, mask) < 0) {
rb_raise(eBPFilterError, "invalid bpf filter: %s", pcap_geterr(rbp->pd));
}
if(pcap_setfilter(rbp->pd, &bpf) < 0) {
pcap_freecode(&bpf);
rb_raise(eBPFilterError, "unable to set bpf filter: %s", pcap_geterr(rbp->pd));
}
pcap_freecode(&bpf);
return self;
}
/*
* call-seq:
* compile(filter)
*
* Raises an exception if "filter" has a syntax error
*
* Returns self if the filter is valid
*/
static VALUE
rbpcap_compile(VALUE self, VALUE filter) {
struct bpf_program bpf;
bpf_u_int32 mask = 0;
rbpcap_t *rbp;
Data_Get_Struct(self, rbpcap_t, rbp);
if(pcap_compile(rbp->pd, &bpf, RSTRING_PTR(filter), 0, mask) < 0) {
rb_raise(eBPFilterError, "invalid bpf filter: %s", pcap_geterr(rbp->pd));
}
pcap_freecode(&bpf);
return self;
}
/*
* Activate the interface
*
* call-seq:
* activate() -> self
*
* Returns the object itself.
*/
static VALUE
rbpcap_activate(VALUE self)
{
rbpcap_t *rbp;
int errcode;
Data_Get_Struct(self, rbpcap_t, rbp);
if ((errcode = pcap_activate(rbp->pd)) == 0) {
return self;
} else {
rb_raise(ePCAPRUBError, "unable to activate interface: %d, %s", errcode, rbp->iface);
}
}
/*
* Close the interface
*
* call-seq:
* activate() -> self
*
* Returns the object itself.
*/
static VALUE
rbpcap_close(VALUE self)
{
rbpcap_t *rbp;
Data_Get_Struct(self, rbpcap_t, rbp);
pcap_close(rbp->pd);
rbp->pd = NULL;
return self;
}
static VALUE
rbpcap_create(VALUE self, VALUE iface)
{
rbpcap_t *rbp;
char eb[PCAP_ERRBUF_SIZE];
Data_Get_Struct(self, rbpcap_t, rbp);
rbp->type = LIVE;
memset(rbp->iface, 0, sizeof(rbp->iface));
strncpy(rbp->iface, RSTRING_PTR(iface), sizeof(rbp->iface) - 1);
if(rbp->pd) {
pcap_close(rbp->pd);
}
rbp->pd = pcap_create(
RSTRING_PTR(iface),
eb
);
if(!rbp->pd)
rb_raise(rb_eRuntimeError, "%s", eb);
return self;
}
/*
*
* call-seq:
* create(iface) -> self
*
* capture = ::Pcap.create(@dev)
*
* Returns the object itself.
*/
static VALUE
rbpcap_create_s(VALUE class, VALUE iface)
{
VALUE iPcap = rb_funcall(rb_cPcap, rb_intern("new"), 0);
return rbpcap_create(iPcap, iface);
}
// transparent method
static VALUE
rbpcap_open_live(VALUE self, VALUE iface,VALUE snaplen,VALUE promisc, VALUE timeout)
{
char eb[PCAP_ERRBUF_SIZE];
rbpcap_t *rbp;
int promisc_value = 0;
if(TYPE(iface) != T_STRING)
rb_raise(rb_eArgError, "interface must be a string");
if(TYPE(snaplen) != T_FIXNUM)
rb_raise(rb_eArgError, "snaplen must be a fixnum");
if(TYPE(timeout) != T_FIXNUM)
rb_raise(rb_eArgError, "timeout must be a fixnum");
switch(promisc) {
case Qtrue:
promisc_value = 1;
break;
case Qfalse:
promisc_value = 0;
break;
default:
rb_raise(ePCAPRUBError, "Promisc Argument not boolean");
}
Data_Get_Struct(self, rbpcap_t, rbp);
rbp->type = LIVE;
memset(rbp->iface, 0, sizeof(rbp->iface));
strncpy(rbp->iface, RSTRING_PTR(iface), sizeof(rbp->iface) - 1);
if(rbp->pd) {
pcap_close(rbp->pd);
}
rbp->pd = pcap_open_live(
RSTRING_PTR(iface),
NUM2INT(snaplen),
promisc_value,
NUM2INT(timeout),
eb
);
if(!rbp->pd)
rb_raise(rb_eRuntimeError, "%s", eb);
return self;
}
/*
*
* call-seq:
* open_live(iface, snaplen, promisc, timeout) -> self
*
* capture = ::Pcap.open_live(@dev, @snaplength, @promiscous_mode, @timeout)
*
* Returns the object itself.
*/
static VALUE
rbpcap_open_live_s(VALUE class, VALUE iface, VALUE snaplen, VALUE promisc, VALUE timeout)
{
VALUE iPcap = rb_funcall(rb_cPcap, rb_intern("new"), 0);
return rbpcap_open_live(iPcap, iface, snaplen, promisc, timeout);
}
// transparent method
static VALUE
rbpcap_open_offline(VALUE self, VALUE filename)
{
char eb[PCAP_ERRBUF_SIZE];
rbpcap_t *rbp;
if(TYPE(filename) != T_STRING)
rb_raise(rb_eArgError, "filename must be a string");
Data_Get_Struct(self, rbpcap_t, rbp);
memset(rbp->iface, 0, sizeof(rbp->iface));
rbp->type = OFFLINE;
rbp->pd = pcap_open_offline(
RSTRING_PTR(filename),
eb
);
if(!rbp->pd)
rb_raise(rb_eRuntimeError, "%s", eb);
return self;
}
/*
*
* call-seq:
* open_offline(filename) -> self
*
* capture = ::Pcap.open_offline(filename)
*
* Returns the object itself.
*/
static VALUE
rbpcap_open_offline_s(VALUE class, VALUE filename)
{
VALUE iPcap = rb_funcall(rb_cPcap, rb_intern("new"), 0);
return rbpcap_open_offline(iPcap, filename);
}
// transparent method
static VALUE
rbpcap_open_dead(VALUE self, VALUE linktype, VALUE snaplen)
{
rbpcap_t *rbp;
if(TYPE(linktype) != T_FIXNUM)
rb_raise(rb_eArgError, "linktype must be a fixnum");
if(TYPE(snaplen) != T_FIXNUM)
rb_raise(rb_eArgError, "snaplen must be a fixnum");
Data_Get_Struct(self, rbpcap_t, rbp);
memset(rbp->iface, 0, sizeof(rbp->iface));
rbp->type = DEAD;
rbp->pd = pcap_open_dead(
NUM2INT(linktype),
NUM2INT(snaplen)
);
return self;
}
/*
*
* call-seq:
* open_dead(linktype, snaplen) -> self
*
* open a fake Pcap for compiling filters or opening a capture for output
*
* ::Pcap.open_dead() is used for creating a pcap structure to use when
* calling the other functions like compiling BPF code.
*
* * linktype specifies the link-layer type
*
* * snaplen specifies the snapshot length
*
* Returns the object itself.
*/
static VALUE
rbpcap_open_dead_s(VALUE class, VALUE linktype, VALUE snaplen)
{
VALUE iPcap = rb_funcall(rb_cPcap, rb_intern("new"), 0);
return rbpcap_open_dead(iPcap, linktype, snaplen);
}
/*
* call-seq:
* dump_open(filename)
*
* dump_open() is called to open a "savefile" for writing
*/
static VALUE
rbpcap_dump_open(VALUE self, VALUE filename)
{
rbpcap_t *rbp;
if(TYPE(filename) != T_STRING)
rb_raise(rb_eArgError, "filename must be a string");
Data_Get_Struct(self, rbpcap_t, rbp);
if(! rbpcap_ready(rbp)) return self;
rbp->pdt = pcap_dump_open(
rbp->pd,
RSTRING_PTR(filename)
);
if(!rbp->pdt)
rb_raise(eDumperError, "Stream could not be initialized or opened.");
return self;
}
/*
* call-seq:
* dump_close()
*
* dump_close() is called to manually close a "savefile"
*/
static VALUE
rbpcap_dump_close(VALUE self)
{
rbpcap_t *rbp;
Data_Get_Struct(self, rbpcap_t, rbp);
if(! rbpcap_ready(rbp)) return self;
if(!rbp->pdt)
rb_raise(eDumperError, "Stream is already closed.");
if (rbp->pdt)
pcap_dump_close(rbp->pdt);
rbp->pdt = NULL;
return self;
}
/*
* call-seq:
* dump(caplen, pktlen, packet)
*
* not sure if this deviates too much from the way the rest of this class works?
*
* Writes packet capture date to a binary file assigned with dump_open().
*
* Returns the object itself.
*/
static VALUE
rbpcap_dump(VALUE self, VALUE caplen, VALUE pktlen, VALUE packet)
{
rbpcap_t *rbp;
struct pcap_pkthdr pcap_hdr;
if(TYPE(packet) != T_STRING)
rb_raise(rb_eArgError, "packet data must be a string");
if(TYPE(caplen) != T_FIXNUM)
rb_raise(rb_eArgError, "caplen must be a fixnum");
if(TYPE(pktlen) != T_FIXNUM)
rb_raise(rb_eArgError, "pktlen must be a fixnum");
Data_Get_Struct(self, rbpcap_t, rbp);
gettimeofday(&pcap_hdr.ts, NULL);
pcap_hdr.caplen = NUM2UINT(caplen);
pcap_hdr.len = NUM2UINT(pktlen);
if(!rbp->pdt) {
rb_raise(rb_eRuntimeError, "pcap_dumper not defined. You must open a dump file first");
}
//capture.next is yeilding an 8Bit ASCII string
// -> return rb_str_new((char *) job.pkt, job.hdr.caplen);
//Call dump such that capture.next{|pk| capture.dump(pk.length, pk.length, pk)}
pcap_dump(
(u_char*)rbp->pdt,
&pcap_hdr,
(unsigned char *)RSTRING_PTR(packet)
);
return self;
}
/*
* call-seq:
* inject(payload)
*
* inject() transmit a raw packet through the network interface
*
* Returns the number of bytes written on success else raise failure.
*/
static VALUE
rbpcap_inject(VALUE self, VALUE payload)
{
rbpcap_t *rbp;
if(TYPE(payload) != T_STRING)
rb_raise(rb_eArgError, "pupayload must be a string");
Data_Get_Struct(self, rbpcap_t, rbp);
if(! rbpcap_ready(rbp)) return self;
#if defined(WIN32)
/* WinPcap does not have a pcap_inject call we use pcap_sendpacket, if it suceedes
* we simply return the amount of packets request to inject, else we fail.
*/
if(pcap_sendpacket(rbp->pd, RSTRING_PTR(payload), RSTRING_LEN(payload)) != 0) {
rb_raise(rb_eRuntimeError, "%s", pcap_geterr(rbp->pd));
}
return INT2NUM(RSTRING_LEN(payload));
#else
return INT2NUM(pcap_inject(rbp->pd, RSTRING_PTR(payload), RSTRING_LEN(payload)));
#endif
}
/*
*
* Packet Job Call back from pcap_dispatch
*
*/
static void rbpcap_handler(rbpcapjob_t *job, struct pcap_pkthdr *hdr, u_char *pkt){
job->pkt = (unsigned char *)pkt;
job->hdr = *hdr;
}
/*
**
* Returns the next packet from the packet capture device.
*
* Returns a string with the packet data.
*
* If the next_data() is unsuccessful, Null is returned.
*/
static VALUE
rbpcap_next_data(VALUE self)
{
rbpcap_t *rbp;
rbpcapjob_t job;
char eb[PCAP_ERRBUF_SIZE];
int ret;
Data_Get_Struct(self, rbpcap_t, rbp);
if(! rbpcap_ready(rbp)) return self;
pcap_setnonblock(rbp->pd, 1, eb);
#ifdef MAKE_TRAP
TRAP_BEG;
#endif
// ret will contain the number of packets captured during the trap (ie one) since this is an iterator.
ret = pcap_dispatch(rbp->pd, 1, (pcap_handler) rbpcap_handler, (u_char *)&job);
#ifdef MAKE_TRAP
TRAP_END;
#endif
if(rbp->type == OFFLINE && ret <= 0)
return Qnil;
if(rbp->type == DEAD && ret <= 0)
return Qnil;
if(ret > 0 && job.hdr.caplen > 0)
return rb_str_new((char *) job.pkt, job.hdr.caplen);
return Qnil;
}
/*
*
* Returns the next packet from the packet capture device.
*
* Returns a string with the packet data.
*
* If the next_packet() is unsuccessful, Null is returned.
*/
static VALUE
rbpcap_next_packet(VALUE self)
{
rbpcap_t *rbp;
rbpcapjob_t job;
char eb[PCAP_ERRBUF_SIZE];
int ret;
rbpacket_t* rbpacket;
Data_Get_Struct(self, rbpcap_t, rbp);
if(! rbpcap_ready(rbp)) return self;
pcap_setnonblock(rbp->pd, 1, eb);
#ifdef MAKE_TRAP
TRAP_BEG;
#endif
ret = pcap_dispatch(rbp->pd, 1, (pcap_handler) rbpcap_handler, (u_char *)&job);
#ifdef MAKE_TRAP
TRAP_END;
#endif
if(rbp->type == OFFLINE && ret <= 0)
return Qnil;
if(rbp->type == DEAD && ret <= 0)
return Qnil;
if(ret > 0 && job.hdr.caplen > 0)
{
rbpacket = ALLOC(rbpacket_t);
rbpacket->hdr = job.hdr;
rbpacket->pkt = (u_char *)job.pkt;
return Data_Wrap_Struct(rb_cPkt, 0, rbpacket_free, rbpacket);
}
return Qnil;
}
/*
* call-seq:
* each_data() { |packet| ... }
*
* Yields each packet from the capture to the passed-in block in turn.
*
*/
static VALUE
rbpcap_each_data(VALUE self)
{
rbpcap_t *rbp;
#if defined(WIN32)
HANDLE fno;
#else
int fno = -1;
#endif
Data_Get_Struct(self, rbpcap_t, rbp);
if(! rbpcap_ready(rbp)) return self;
#if defined(WIN32)
fno = (HANDLE)pcap_getevent(rbp->pd);
#else
fno = pcap_get_selectable_fd(rbp->pd);
#endif
for(;;) {
VALUE packet = rbpcap_next_data(self);
if(packet == Qnil && rbp->type == OFFLINE) break;
if(packet == Qnil && rbp->type == DEAD) break;
#if defined(WIN32)
packet == Qnil ? rbpcap_thread_wait_handle(fno) : rb_yield(packet);
#else
packet == Qnil ? rb_thread_wait_fd(fno) : rb_yield(packet);
#endif
}
return self;
}
/*
* call-seq:
* each_packet() { |packet| ... }
*
* Yields a PCAP::Packet from the capture to the passed-in block in turn.
*
*/
static VALUE
rbpcap_each_packet(VALUE self)
{
rbpcap_t *rbp;
#if defined(WIN32)
HANDLE fno;
#else
int fno = -1;
#endif
Data_Get_Struct(self, rbpcap_t, rbp);
if(! rbpcap_ready(rbp)) return self;
#if defined(WIN32)
fno = (HANDLE)pcap_getevent(rbp->pd);
#else
fno = pcap_get_selectable_fd(rbp->pd);
#endif
for(;;) {
VALUE packet = rbpcap_next_packet(self);
if(packet == Qnil && rbp->type == OFFLINE) break;
if(packet == Qnil && rbp->type == DEAD) break;
#if defined(WIN32)
packet == Qnil ? rbpcap_thread_wait_handle(fno) : rb_yield(packet);
#else
packet == Qnil ? rb_thread_wait_fd(fno) : rb_yield(packet);
#endif
}
return self;
}
/*
* call-seq:
* datalink()
*
* Returns the integer datalink value unless capture
*
* foo.bar unless capture.datalink == Pcap::DLT_EN10MB
*/
static VALUE
rbpcap_datalink(VALUE self)
{
rbpcap_t *rbp;
Data_Get_Struct(self, rbpcap_t, rbp);
if(! rbpcap_ready(rbp)) return self;
return INT2NUM(pcap_datalink(rbp->pd));
}
/*
* call-seq:
* pcap_major_version()
*
* Returns the integer PCAP MAJOR LIBRARY value unless capture
*
*/
static VALUE
rbpcap_major_version(VALUE self)
{
rbpcap_t *rbp;
Data_Get_Struct(self, rbpcap_t, rbp);
if(! rbpcap_ready(rbp)) return self;
return INT2NUM(pcap_major_version(rbp->pd));
}
/*
* call-seq:
* pcap_minor_version()
*
* Returns the integer PCAP MINOR LIBRARY value unless capture
*
*/
static VALUE
rbpcap_minor_version(VALUE self)
{
rbpcap_t *rbp;
Data_Get_Struct(self, rbpcap_t, rbp);
if(! rbpcap_ready(rbp)) return self;
return INT2NUM(pcap_minor_version(rbp->pd));
}
/*
* call-seq:
* snapshot()
*
* Returns the snapshot length, which is the number of bytes to save for each packet captured.
*
*/
static VALUE
rbpcap_snapshot(VALUE self)
{
rbpcap_t *rbp;
Data_Get_Struct(self, rbpcap_t, rbp);
if(! rbpcap_ready(rbp)) return self;
return INT2NUM(pcap_snapshot(rbp->pd));
}
/*
* call-seq:
* stats()
*
* Returns a hash with statistics of the packet capture
*
* - ["recv"] # number of packets received
* - ["drop"] # number of packets dropped
* - ["idrop"] # number of packets dropped by interface
*
*/
static VALUE
rbpcap_stats(VALUE self)
{
rbpcap_t *rbp;
struct pcap_stat stat;
VALUE hash;
Data_Get_Struct(self, rbpcap_t, rbp);
if(! rbpcap_ready(rbp)) return self;
if (pcap_stats(rbp->pd, &stat) == -1)
return Qnil;
hash = rb_hash_new();
rb_hash_aset(hash, rb_str_new2("recv"), UINT2NUM(stat.ps_recv));
rb_hash_aset(hash, rb_str_new2("drop"), UINT2NUM(stat.ps_drop));
rb_hash_aset(hash, rb_str_new2("idrop"), UINT2NUM(stat.ps_ifdrop));
// drops by interface XXX not yet supported under pcap.h 2.4
//#if defined(WIN32)
// rb_hash_aset(hash, rb_str_new2("bs_capt"), UINT2NUM(stat.bs_capt));
//#endif
return hash;
}
/*
*
* Returns the EPOCH integer from the ts.tv_sec record in the PCAP::Packet header
*
*/
static VALUE
rbpacket_time(VALUE self)
{
rbpacket_t* rbpacket;
Data_Get_Struct(self, rbpacket_t, rbpacket);
return INT2NUM(rbpacket->hdr.ts.tv_sec);
}
/*
*
* Returns the tv_usec integer from the ts.tv_usec record in the PCAP::Packet header
* timestamp microseconds
* the microseconds when this packet was captured, as an offset to ts_sec.
* Beware: this value shouldn't reach 1 second (1 000 000), in this case ts_sec must be increased instead!
*
* Ruby Microsecond Handling
* Time.at(946684800.2).usec #=> 200000
* Time.now.usec
*/
static VALUE
rbpacket_microsec(VALUE self)
{
rbpacket_t* rbpacket;
Data_Get_Struct(self, rbpacket_t, rbpacket);
return INT2NUM(rbpacket->hdr.ts.tv_usec);
}
/*
*
* Returns the integer length of packet length field from the in the PCAP::Packet header
*
*/
static VALUE
rbpacket_length(VALUE self)
{
rbpacket_t* rbpacket;
Data_Get_Struct(self, rbpacket_t, rbpacket);
return INT2NUM(rbpacket->hdr.len);
}
/*
*
* Returns the integer length of capture len from the in the PCAP::Packet header
*
*/
static VALUE
rbpacket_caplen(VALUE self)
{
rbpacket_t* rbpacket;
Data_Get_Struct(self, rbpacket_t, rbpacket);
//test incorrect case
if (rbpacket->hdr.caplen > rbpacket->hdr.len)
return INT2NUM(rbpacket->hdr.len);
return INT2NUM(rbpacket->hdr.caplen);
}
/*
*
* Returns the integer PCAP MINOR LIBRARY value unless capture
*
*/
static VALUE
rbpacket_data(VALUE self)
{
rbpacket_t* rbpacket;
Data_Get_Struct(self, rbpacket_t, rbpacket);
if ((rbpacket->pkt == NULL) || (rbpacket->hdr.caplen > rbpacket->hdr.len))
return Qnil;
return rb_str_new((char *) rbpacket->pkt, rbpacket->hdr.caplen);
}
#if defined(WIN32)
static void *
rbpcap_thread_wait_handle_blocking(void *data)
{
VALUE result;
result = (VALUE)WaitForSingleObject(data, 100);
return (void *) result;
}
/*
*
* Waits for the HANDLE returned by pcap_getevent to have data
*
*/
static VALUE
rbpcap_thread_wait_handle(HANDLE fno)
{
VALUE result;
#if MAKE_TRAP
// Ruby 1.8 doesn't support rb_thread_blocking_region
result = rb_thread_polling();
#elif defined(HAVE_RB_THREAD_CALL_WITHOUT_GVL)
result = (VALUE)rb_thread_call_without_gvl(
rbpcap_thread_wait_handle_blocking,
fno, RUBY_UBF_IO, 0);
#else
result = (VALUE)rb_thread_blocking_region(
rbpcap_thread_wait_handle_blocking,
fno, RUBY_UBF_IO, 0);
#endif
return result;
}
#endif
void
Init_pcaprub_c()
{
/*
* Document-class: Pcap
*
* Main class defined by the pcaprub extension.
*/
mPCAP = rb_define_module("PCAPRUB");
rb_cPcap = rb_define_class_under(mPCAP,"Pcap", rb_cObject);
rb_cPkt = rb_define_class_under(mPCAP,"Packet", rb_cObject);
ePCAPRUBError = rb_path2class("PCAPRUB::PCAPRUBError");
eBindingError = rb_path2class("PCAPRUB::BindingError");
eBPFilterError = rb_path2class("PCAPRUB::BPFError");
eDumperError = rb_path2class("PCAPRUB::DumperError");
eLinkTypeError = rb_path2class("PCAPRUB::LinkTypeError");
rb_define_module_function(rb_cPcap, "lookupdev", rbpcap_s_lookupdev, 0);
rb_define_module_function(rb_cPcap, "lookupnet", rbpcap_s_lookupnet, 1);
rb_define_module_function(rb_cPcap, "lib_version", rbpcap_s_lib_version, 0);
rb_define_const(rb_cPcap, "DLT_NULL", INT2NUM(DLT_NULL));
rb_define_const(rb_cPcap, "DLT_EN10MB", INT2NUM(DLT_EN10MB));
rb_define_const(rb_cPcap, "DLT_EN3MB", INT2NUM(DLT_EN3MB));
rb_define_const(rb_cPcap, "DLT_AX25", INT2NUM(DLT_AX25));
rb_define_const(rb_cPcap, "DLT_PRONET", INT2NUM(DLT_PRONET));
rb_define_const(rb_cPcap, "DLT_CHAOS", INT2NUM(DLT_CHAOS));
rb_define_const(rb_cPcap, "DLT_IEEE802", INT2NUM(DLT_IEEE802));
rb_define_const(rb_cPcap, "DLT_ARCNET", INT2NUM(DLT_ARCNET));
rb_define_const(rb_cPcap, "DLT_SLIP", INT2NUM(DLT_SLIP));
rb_define_const(rb_cPcap, "DLT_PPP", INT2NUM(DLT_PPP));
rb_define_const(rb_cPcap, "DLT_FDDI", INT2NUM(DLT_FDDI));
rb_define_const(rb_cPcap, "DLT_ATM_RFC1483", INT2NUM(DLT_ATM_RFC1483));
rb_define_const(rb_cPcap, "DLT_RAW", INT2NUM(DLT_RAW));
rb_define_const(rb_cPcap, "DLT_SLIP_BSDOS", INT2NUM(DLT_SLIP_BSDOS));
rb_define_const(rb_cPcap, "DLT_PPP_BSDOS", INT2NUM(DLT_PPP_BSDOS));
rb_define_const(rb_cPcap, "DLT_IEEE802_11", INT2NUM(DLT_IEEE802_11));
rb_define_const(rb_cPcap, "DLT_IEEE802_11_RADIO", INT2NUM(DLT_IEEE802_11_RADIO));
#ifdef DLT_IEEE802_11_RADIO_AVS
rb_define_const(rb_cPcap, "DLT_IEEE802_11_RADIO_AVS", INT2NUM(DLT_IEEE802_11_RADIO_AVS));
#endif /* DLT_IEEE802_11_RADIO_AVS */
#ifdef DLT_LINUX_SLL
rb_define_const(rb_cPcap, "DLT_LINUX_SLL", INT2NUM(DLT_LINUX_SLL));
#endif /* DLT_LINUX_SLL */
#ifdef DLT_PRISM_HEADER
rb_define_const(rb_cPcap, "DLT_PRISM_HEADER", INT2NUM(DLT_PRISM_HEADER));
#endif /* DLT_PRISM_HEADER */
#ifdef DLT_AIRONET_HEADER
rb_define_const(rb_cPcap, "DLT_AIRONET_HEADER", INT2NUM(DLT_AIRONET_HEADER));
#endif /* DLT_AIRONET_HEADER */
#ifdef DLT_BLUETOOTH_HCI_H4
rb_define_const(rb_cPcap, "DLT_BLUETOOTH_HCI_H4", INT2NUM(DLT_BLUETOOTH_HCI_H4));
#endif
#ifdef DLT_BLUETOOTH_HCI_H4_WITH_PHDR
rb_define_const(rb_cPcap, "DLT_BLUETOOTH_HCI_H4_WITH_PHDR", INT2NUM(DLT_BLUETOOTH_HCI_H4_WITH_PHDR));
#endif
#ifdef DLT_IPFILTER
rb_define_const(rb_cPcap, "DLT_IPFILTER", INT2NUM(DLT_IPFILTER));
#endif
#ifdef DLT_LOOP
rb_define_const(rb_cPcap, "DLT_LOOP", INT2NUM(DLT_LOOP));
#endif
#ifdef DLT_USB
rb_define_const(rb_cPcap, "DLT_USB", INT2NUM(DLT_USB));
#endif
#ifdef DLT_USB_LINUX
rb_define_const(rb_cPcap, "DLT_USB_LINUX", INT2NUM(DLT_USB_LINUX));
#endif
#ifdef DLT_DOCSIS
rb_define_const(rb_cPcap, "DLT_DOCSIS", INT2NUM(DLT_DOCSIS));
#endif
/* Pcap Error Codes
* Error codes for the pcap API.
* These will all be negative, so you can check for the success or
* failure of a call that returns these codes by checking for a
* negative value.
*/
rb_define_const(rb_cPcap, "PCAP_ERROR", INT2NUM(PCAP_ERROR)); /* generic error code */
rb_define_const(rb_cPcap, "PCAP_ERROR_BREAK", INT2NUM(PCAP_ERROR_BREAK)); /* loop terminated by pcap_breakloop */
rb_define_const(rb_cPcap, "PCAP_ERROR_NOT_ACTIVATED", INT2NUM(PCAP_ERROR_NOT_ACTIVATED)); /* the capture needs to be activated */
rb_define_const(rb_cPcap, "PCAP_ERROR_ACTIVATED", INT2NUM(PCAP_ERROR_ACTIVATED)); /* the operation can't be performed on already activated captures */
rb_define_const(rb_cPcap, "PCAP_ERROR_NO_SUCH_DEVICE", INT2NUM(PCAP_ERROR_NO_SUCH_DEVICE)); /* no such device exists */
rb_define_const(rb_cPcap, "PCAP_ERROR_RFMON_NOTSUP", INT2NUM(PCAP_ERROR_RFMON_NOTSUP)); /* this device doesn't support rfmon (monitor) mode */
rb_define_const(rb_cPcap, "PCAP_ERROR_NOT_RFMON", INT2NUM(PCAP_ERROR_NOT_RFMON)); /* operation supported only in monitor mode */
rb_define_const(rb_cPcap, "PCAP_ERROR_PERM_DENIED", INT2NUM(PCAP_ERROR_PERM_DENIED)); /* no permission to open the device */
rb_define_const(rb_cPcap, "PCAP_ERROR_IFACE_NOT_UP", INT2NUM(PCAP_ERROR_IFACE_NOT_UP)); /* interface isn't up */
/*
* Warning codes for the pcap API.
* These will all be positive and non-zero, so they won't look like
* errors.
*/
rb_define_const(rb_cPcap, "PCAP_WARNING", INT2NUM(PCAP_WARNING)); /* generic warning code */
rb_define_const(rb_cPcap, "PCAP_WARNING_PROMISC_NOTSUP", INT2NUM(PCAP_WARNING_PROMISC_NOTSUP)); /* this device doesn't support promiscuous mode */
/*
* Value to pass to pcap_compile() as the netmask if you don't know what
* the netmask is.
*/
rb_define_const(rb_cPcap, "PCAP_NETMASK_UNKNOWN", INT2NUM(PCAP_NETMASK_UNKNOWN));
rb_define_singleton_method(rb_cPcap, "new", rbpcap_new_s, 0);
rb_define_singleton_method(rb_cPcap, "create", rbpcap_create_s, 1);
rb_define_singleton_method(rb_cPcap, "open_live", rbpcap_open_live_s, 4);
rb_define_singleton_method(rb_cPcap, "open_offline", rbpcap_open_offline_s, 1);
rb_define_singleton_method(rb_cPcap, "open_dead", rbpcap_open_dead_s, 2);
rb_define_method(rb_cPcap, "dump_open", rbpcap_dump_open, 1);
rb_define_method(rb_cPcap, "dump_close", rbpcap_dump_close, 0);
rb_define_method(rb_cPcap, "dump", rbpcap_dump, 3);
rb_define_method(rb_cPcap, "each_data", rbpcap_each_data, 0);
rb_define_method(rb_cPcap, "next_data", rbpcap_next_data, 0);
rb_define_method(rb_cPcap, "each_packet", rbpcap_each_packet, 0);
rb_define_method(rb_cPcap, "next_packet", rbpcap_next_packet, 0);
/*
* Document-method: each
* Alias of each_data
*/
rb_define_method(rb_cPcap, "each", rbpcap_each_data, 0);
/*
* Document-method: next
* Alias of next_data
*/
rb_define_method(rb_cPcap, "next", rbpcap_next_data, 0);
rb_define_method(rb_cPcap, "setfilter", rbpcap_setfilter, 1);
rb_define_method(rb_cPcap, "compile", rbpcap_compile, 1);
rb_define_method(rb_cPcap, "setmonitor", rbpcap_setmonitor, 1);
rb_define_method(rb_cPcap, "setsnaplen", rbpcap_setsnaplen, 1);
rb_define_method(rb_cPcap, "settimeout", rbpcap_settimeout, 1);
rb_define_method(rb_cPcap, "setpromisc", rbpcap_setpromisc, 1);
rb_define_method(rb_cPcap, "setdatalink", rbpcap_setdatalink, 1);
rb_define_method(rb_cPcap, "listdatalinks", rbpcap_listdatalinks, 0);
rb_define_method(rb_cPcap, "activate", rbpcap_activate, 0);
rb_define_method(rb_cPcap, "inject", rbpcap_inject, 1);
rb_define_method(rb_cPcap, "datalink", rbpcap_datalink, 0);
rb_define_method(rb_cPcap, "pcap_major_version", rbpcap_major_version, 0);
rb_define_method(rb_cPcap, "pcap_minor_version", rbpcap_minor_version, 0);
rb_define_method(rb_cPcap, "snapshot", rbpcap_snapshot, 0);
rb_define_method(rb_cPcap, "close", rbpcap_close, 0);
/*
* Document-method: snaplen
* Alias of snapshot
*/
rb_define_method(rb_cPcap, "snaplen", rbpcap_snapshot, 0);
rb_define_method(rb_cPcap, "stats", rbpcap_stats, 0);
rb_define_singleton_method(rb_cPkt, "new", rbpacket_new_s, 0);
rb_define_method(rb_cPkt, "time", rbpacket_time, 0);
rb_define_method(rb_cPkt, "microsec", rbpacket_microsec, 0);
rb_define_method(rb_cPkt, "length", rbpacket_length, 0);
rb_define_method(rb_cPkt, "caplen", rbpacket_caplen, 0);
rb_define_method(rb_cPkt, "data", rbpacket_data, 0);
/*
* Document-method: to_s
* Alias of data
*/
rb_define_method(rb_cPkt, "to_s", rbpacket_data, 0);
}
pcaprub-0.13.3/ext/pcaprub_c/extconf.rb 0000644 0000041 0000041 00000006470 14666442051 020032 0 ustar www-data www-data require 'mkmf'
extension_name = 'pcaprub_c'
puts "\n[*] Running checks for #{extension_name} code..."
puts("platform is #{RUBY_PLATFORM}")
default_npcap_sdk = 'C:/npcap-sdk'
default_winpcap_sdk = 'C:/WpdPack'
# Default to npcap if it exists, otherwise fallback to winpcap
default_pcap_sdk = File.directory?(default_npcap_sdk) ? default_npcap_sdk : default_winpcap_sdk
if /i386-mingw32/ =~ RUBY_PLATFORM || /x64-mingw32/ =~ RUBY_PLATFORM || /x64-mingw-ucrt/ =~ RUBY_PLATFORM
unless have_library("ws2_32" ) and
have_library("iphlpapi") and
have_header("windows.h") and
have_header("winsock2.h") and
have_header("iphlpapi.h")
puts "\nNot all dependencies are satisfied for #{RUBY_PLATFORM} platform requirements"
exit
end
pcap_dir = with_config("pcap-dir", default_pcap_sdk)
pcap_includedir = with_config("pcap-includedir", pcap_dir + "/include")
pcap_libdir = with_config("pcap-libdir", pcap_dir + "/lib")
if /x64-mingw32/ =~ RUBY_PLATFORM || /x64-mingw-ucrt/ =~ RUBY_PLATFORM
pcap_libdir += "/x64"
end
$CFLAGS = "-DWIN32 -I#{pcap_includedir}"
$CFLAGS += " -g" if with_config("debug")
$LDFLAGS = "-L#{pcap_libdir}"
$LDFLAGS += " -g" if with_config("debug")
have_header("ruby/thread.h")
if have_header(pcap_includedir + "/Win32-Extensions.h", pcap_includedir + "/pcap.h")
append_cflags("-DHAVE_WIN32_EXTENSIONS_H")
end
have_func("rb_thread_blocking_region") # Pre ruby 2.2
have_func("rb_thread_call_without_gvl") # Post ruby 2.2
have_library("wpcap", "pcap_open_live")
have_library("wpcap", "pcap_setnonblock")
elsif /i386-mswin32/ =~ RUBY_PLATFORM || /x64-mswin32/ =~ RUBY_PLATFORM
pcap_dir = with_config("pcap-dir", default_pcap_sdk)
pcap_includedir = with_config("pcap-includedir", pcap_dir + "\\include")
pcap_libdir = with_config("pcap-libdir", pcap_dir + "\\lib")
if /x64-mingw32/ =~ RUBY_PLATFORM
pcap_libdir += "\\x64"
end
$CFLAGS = "-DWIN32 -I#{pcap_includedir}"
$CFLAGS += " -g" if with_config("debug")
$LDFLAGS = "/link /LIBPATH:#{pcap_libdir}"
$LDFLAGS += " -g" if with_config("debug")
have_header("ruby/thread.h")
if have_header(pcap_includedir + "/Win32-Extensions.h", pcap_includedir + "/pcap.h")
append_cflags("-DHAVE_WIN32_EXTENSIONS_H")
end
have_func("rb_thread_blocking_region") # Pre ruby 2.2
have_func("rb_thread_call_without_gvl") # Post ruby 2.2
have_library("wpcap", "pcap_open_live")
have_library("wpcap", "pcap_setnonblock")
else
libdir = RbConfig::CONFIG['libdir']
includedir = RbConfig::CONFIG['includedir']
header_dirs = [
# macports
'/opt/local/include',
# source installations
'/usr/local/include',
# ruby install locations
includedir,
# finally fall back to usr
'/usr/include'
]
lib_dirs = [
# macports
'/opt/local/lib',
# source installations
'/usr/local/lib',
# ruby install locations
libdir,
# usr
'/usr/lib'
]
dir_config("pcap", header_dirs, lib_dirs)
have_header("ruby/thread.h")
have_func("rb_thread_blocking_region") # Pre ruby 2.2
have_func("rb_thread_call_without_gvl") # Post ruby 2.2
have_library("pcap", "pcap_open_live", ["pcap.h"])
have_library("pcap", "pcap_setnonblock", ["pcap.h"])
$CFLAGS = "-g" if with_config("debug")
$LDFLAGS = "-g" if with_config("debug")
end
create_makefile(extension_name)
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--- www.yahoo.com ping statistics ---
13 packets transmitted, 11 packets received, 15% packet loss
round-trip min/avg/max = 68.728/72.807/75.831 ms
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K f pcaprub-0.13.3/examples/simple_cap.rb 0000755 0000041 0000041 00000001323 14666442051 017553 0 ustar www-data www-data #!/usr/bin/env ruby
# -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
#Example Output
#>> nohup sudo simple_cap.rb &
#>> ping www.google.com
# -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
#{"recv"=>0, "drop"=>0, "idrop"=>0}
#{"recv"=>0, "drop"=>0, "idrop"=>0}
#{"recv"=>0, "drop"=>0, "idrop"=>0}
#{"recv"=>2, "drop"=>0, "idrop"=>0}
#captured packet
#{"recv"=>4, "drop"=>0, "idrop"=>0}
#captured packet
#{"recv"=>6, "drop"=>0, "idrop"=>0}
#captured packet
#....^c
# -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
require 'rubygems'
require 'pcaprub'
capture = PCAPRUB::Pcap.open_live('wlan0', 65535, true, 0)
capture.setfilter('icmp')
while 1==1
puts(capture.stats())
pkt = capture.next()
if pkt
puts "captured packet"
end
sleep(1)
end
pcaprub-0.13.3/examples/dead_cap.rb 0000755 0000041 0000041 00000000343 14666442051 017160 0 ustar www-data www-data #!/usr/bin/env ruby
# -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
require 'rubygems'
require 'pcaprub'
capture = PCAPRUB::Pcap.open_dead(Pcap::DLT_EN10MB, 65535)
puts capture.pcap_major_version()
puts capture.pcap_minor_version()
pcaprub-0.13.3/examples/file_cap.rb 0000755 0000041 0000041 00000001432 14666442051 017202 0 ustar www-data www-data #!/usr/bin/env ruby
# -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
#Example Output
#>> nohup sudo simple_cap.rb &
#>> ping www.google.com
# -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
#{"recv"=>0, "drop"=>0, "idrop"=>0}
#{"recv"=>0, "drop"=>0, "idrop"=>0}
#{"recv"=>0, "drop"=>0, "idrop"=>0}
#{"recv"=>2, "drop"=>0, "idrop"=>0}
#captured packet
#{"recv"=>4, "drop"=>0, "idrop"=>0}
#captured packet
#{"recv"=>6, "drop"=>0, "idrop"=>0}
#captured packet
#....^c
# -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
require 'rubygems'
require 'pcaprub'
require 'pp'
# Show me all SYN packets:
bpffilter = "tcp[13] & 2 != 0"
filename = './telnet-raw.pcap'
capture = PCAPRUB::Pcap.open_offline(filename)
puts "PCAP.h Version #{capture.pcap_major_version}.#{capture.pcap_minor_version}"
capture.setfilter(bpffilter)
pp capture