From: Jon Forums <jon.forums@...>
Date: 2012-01-21T04:28:08+09:00
Subject: Re: Installing PCAP

> That said, I've just downloaded the WinPcap dev pack from
> http://www.winpcap.org/devel.htm and will hopefully find time this
> weekend to get the `pcap` and `packetfu` gems to work on my Win7 32bit
> w/1.9.3 system.

See if this quick hack will get you up and running. The real solution
would be to update the project to use
https://github.com/luislavena/rake-compiler  and a few other tweaks. I'd
love to hear if it really works beyond the simple IRB tests I did.

1) extract `WpdPack_4_1_2.zip` WpdPack directory to `c:\devlibs\winpcap`

2) unpack the current gem

C:\Users\Jon\Downloads\temp>gem unpack pcaprub-0.11.2.gem
Unpacked gem: 'C:/Users/Jon/Downloads/temp/pcaprub-0.11.2'


3) edit pcaprub.gemspec, lib\pcaprub\version.rb, and
ext\pcaprub\extconf.rb with the following mods.

https://github.com/shadowbq/pcaprub/blob/master/pcaprub.gemspec#L8
  change to "0.11.3.a1"

https://github.com/shadowbq/pcaprub/blob/master/lib/pcaprub/version.rb#L7-9
  change to...

    TINY = 3
    PATCH = 'a1'

    STRING = [MAJOR, MINOR, TINY, PATCH].join('.')

https://github.com/shadowbq/pcaprub/blob/master/ext/pcaprub/extconf.rb#L18-20
  add these two lines after those (note space after opening quote)...

    $CFLAGS << " -DWIN32 -I#{pcap_includedir}"
    $LDFLAGS << " -L#{pcap_libdir}"


4) build an updated gem, install it, and install `packetfu`

C:\Users\Jon\Downloads\temp\pcaprub-0.11.2>gem build pcaprub.gemspec
  Successfully built RubyGem
  Name: pcaprub
  Version: 0.11.3.a1
  File: pcaprub-0.11.3.a1.gem

C:\Users\Jon\Downloads\temp\pcaprub-0.11.2>gem install
pcaprub0.11.3.a1.gem -- --with-pcap-dir=c:/devlibs/winpcap
Temporarily enhancing PATH to include DevKit...
Building native extensions.  This could take a while...
Successfully installed pcaprub-0.11.3.a1
1 gem installed

C:\Users\Jon\Downloads\temp>gem install packetfu-1.1.5.gem
Successfully installed packetfu-1.1.5
1 gem installed

5) simple tests

irb(main):001:0> RUBY_DESCRIPTION
=> "tcs-ruby 1.9.3p6 (2011-12-20, TCS patched 2011-12-23)
[i386-mingw32]"
irb(main):002:0> require 'pcaprub'
=> true
irb(main):003:0> PCAPRUB::VERSION::STRING
=> "0.11.3.a1"
irb(main):004:0> Pcap.singleton_methods.sort
=> [:lookupdev, :lookupnet, :new, :open_dead, :open_live, :open_offline,
:version]
irb(main):005:0> require 'packetfu'
=> true
irb(main):006:0> PacketFu::VERSION
=> "1.1.5"
irb(main):007:0> PacketFu.pcaprub_loaded?
=> true


Jon

---
Fail fast. Fail often. Fail publicly. Learn. Adapt. Repeat.
http://thecodeshop.github.com | http://jonforums.github.com/
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