New formula: chkrootkit 0.49

Signed-off-by: Jack Nagel <jacknagel@gmail.com>

Formula/chkrootkit.rb

@@ -0,0 +1,28 @@
+require 'formula'
+
+class Chkrootkit < Formula
+  url 'ftp://ftp.pangeia.com.br/pub/seg/pac/chkrootkit.tar.gz'
+  homepage 'http://www.chkrootkit.org/'
+  md5 '304d840d52840689e0ab0af56d6d3a18'
+  version '0.49'
+
+  def install
+    chmod 0755, 'Makefile' # Makefile is read-only
+
+    inreplace 'Makefile' do |s|
+          s.remove_make_var! 'STATIC'
+    end
+
+    system "make CC=#{ENV.cc} sense"
+
+    sbin.install ['check_wtmpx', 'chkdirs', 'chklastlog', 'chkproc',
+                 'chkrootkit', 'chkutmp', 'chkwtmp', 'ifpromisc',
+                 'strings-static']
+    doc.install ['README', 'README.chklastlog', 'README.chkwtmp']
+  end
+
+  def test
+    # pipe stdout to cat since chkrootkit -V exits with status 1
+    system "#{sbin}/chkrootkit -V | cat"
+  end
+end