117 lines
3.9 KiB
Ruby
117 lines
3.9 KiB
Ruby
#
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# Provides some sanity checks against the ruby build and version
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#
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# Check for the broken pack/unpack in OS X 10.4.x
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if ([1].pack('n') == "\x01\x00")
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$stderr.puts "*** This ruby build has a broken pack/unpack implementation! "
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if (RUBY_PLATFORM =~ /darwin/)
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$stderr.puts " Apple shipped a broken version of ruby with the 10.4.x "
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$stderr.puts " release. Please install ruby from source, or use one of "
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$stderr.puts " the free package managers to obtain a working ruby build."
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end
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exit(0)
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end
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# Check for ruby 1.8.2 as the minimal supported version
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if (RUBY_VERSION =~ /^1\.[0-7]\./ or RUBY_VERSION =~ /^1\.8\.[0-1]$/)
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$stderr.puts "*** This version of ruby is not supported, please upgrade to 1.8.2+"
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exit(0)
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end
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# Check for ruby 1.9.0 and throw a big nasty warning
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if (RUBY_VERSION =~ /^1\.9\.0/)
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$stderr.puts "*** Ruby 1.9.0 is not supported, please upgrade to Ruby 1.9.1 or newer."
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exit(0)
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end
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if(RUBY_VERSION =~ /^1\.9\./)
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# Load rubygems before changing default_internal, otherwise we may get
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# Encoding::UndefinedConversionError as the gemspec files are loaded
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require 'rubygems'
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Gem::Version # trigger Rubygems to fully load
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# Force binary encoding for Ruby versions that support it
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if(Object.const_defined?('Encoding') and Encoding.respond_to?('default_external='))
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Encoding.default_external = Encoding.default_internal = "binary"
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end
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end
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if(RUBY_PLATFORM == 'java')
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require 'socket'
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s = Socket.new(::Socket::AF_INET, ::Socket::SOCK_STREAM, ::Socket::IPPROTO_TCP)
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if(not s.respond_to?('bind'))
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$stderr.puts "*** JRuby 1.5.0+ is required to use Metasploit with jRuby"
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exit(0)
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end
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$stderr.puts "*** Warning: JRuby support is still incomplete, few things will work properly!"
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trap Signal::list['INT'] do
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Thread.main.raise Interrupt.new
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end
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end
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# Check for OpenSSL and print a warning if it is not installed
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begin
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require 'openssl'
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rescue ::LoadError
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$stderr.puts "*** The ruby-openssl library is not installed, many features will be disabled!"
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$stderr.puts "*** Examples: Meterpreter, SSL Sockets, SMB/NTLM Authentication, and more"
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end
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#
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# Check for the ugly 1.8.7 short-named constants bug
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#
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class ConstBugTestA
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Const = 'A'
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def test
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Const == 'A'
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end
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end
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ConstBugTestC = ConstBugTestA.dup
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class ConstBugTestB < ConstBugTestC
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Const = 'B'
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end
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def ruby_187_const_bug
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bugged = false
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begin
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ConstBugTestA.new.test()
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ConstBugTestB.new.test()
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rescue ::NameError
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bugged = true
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end
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bugged
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end
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if(ruby_187_const_bug())
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$stderr.puts ""
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$stderr.puts "***********************************************************************"
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$stderr.puts "*** *"
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$stderr.puts "*** This version of the Ruby interpreter contains a serious bug *"
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$stderr.puts "*** related to short-named constants, we strongly recommend that you *"
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$stderr.puts "*** switch to a fixed version. Unfortunately, some Linux distros have *"
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$stderr.puts "*** backported the buggy patch into 1.8.6, so you may need to contact *"
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$stderr.puts "*** your vendor and ask them to review the URL below. *"
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$stderr.puts "*** *"
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$stderr.puts "*** Alternatively, you can download, build, and install the latest *"
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$stderr.puts "*** stable snapshot of Ruby from the following URL: *"
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$stderr.puts "*** - http://www.ruby-lang.org/ *"
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$stderr.puts "*** *"
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$stderr.puts "*** For more information, please see the following URL: *"
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$stderr.puts "*** - https://bugs.launchpad.net/bugs/282302 *"
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$stderr.puts "*** *"
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$stderr.puts "***********************************************************************"
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$stderr.puts ""
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end
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