A library for reading a writing packets to an interface or to a libpcap-formatted file.
PacketFu is rdoc-compatible, which means it's sdoc compatible. In the same directory as this file, run “sdoc” by itself (gem install sdoc), and then view doc/index.html with your favored browser. Once that's done, navigate at the top, and read up on how to create a Packet or Capture from an interface with show_live or whatever.
$ rvm gem install pcaprub
Marshall Beddoe's PcapRub is required only for packet reading and writing from a network interfaces (which is a pretty big only). PcapRub itself relies on libpcap 0.9.8 or later for packet injection. PcapRub also requires root privilieges to access the interface directly.
I tend to test with the following (with bash):
date > /tmp/tests.txt; for i in default 1.8.6-p420 1.8.7-p334 1.9.1-p431 1.9.2-p180 1.9.3-head do rvm use $i >> /tmp/tests.txt echo Testing with $i echo $i >> /tmp/tests.txt; echo +++++++++++++++++++++++ >> /tmp/tests.txt rvmsudo ./all_tests.rb >> /tmp/tests.txt; rspec . >> /tmp/tests.txt done
1.9.2-p180 (suggested version)
1.8.6-p420 – Has problems with pcaprub and capture/inject
1.9.1-p431 – Has problems with loading gems in general, see redmine.ruby-lang.org/issues/2404
Technically, these are pcaprub problems and not PacketFu problems, but PacketFu should at least fail better at them.
Incidentally, I suspect these Ruby problems are the crux of the Mac OSX problems that people report. Try a different Ruby build and please let me know what works for you.
PacketFu ships with dozens and dozens of tests, built on Test::Unit. These should give good pointers on how you're expected to use it. See the /tests directory. Furthermore, PacketFu also ships with packetfu-shell.rb, which should be run via IRB (as root, if you intend to use your interfaces).
PacketFu is maintained primarily by Tod Beardsley email@example.com, with help from Open Source Land.
See LICENSE for licensing details.