2009-03-29 07:30:54 +00:00
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#!/usr/bin/env ruby
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# This file is part of Metasm, the Ruby assembly manipulation suite
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2010-09-09 18:19:35 +00:00
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# Copyright (C) 2006-2009 Yoann GUILLOT
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2009-03-29 07:30:54 +00:00
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#
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# Licence is LGPL, see LICENCE in the top-level directory
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# usage: test.rb < source.asm
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require 'metasm'
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dump = ARGV.delete '--dump'
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source = ARGF.read
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cpu = Metasm::Ia32.new
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shellcode = Metasm::Shellcode.assemble(cpu, source).encode_string
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shellstring = shellcode.unpack('C*').map { |b| '\\x%02x' % b }.join
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if dump
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puts shellstring
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exit
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end
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File.open('test-testraw.c', 'w') { |fd|
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fd.puts <<EOS
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unsigned char sc[] = "#{shellstring}";
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int main(void)
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{
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((void (*)())sc)();
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return 42;
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}
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EOS
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}
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system 'gcc -W -Wall -o test-testraw test-testraw.c'
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system 'chpax -psm test-testraw'
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puts "running"
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system './test-testraw'
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puts "done"
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#File.unlink 'test-testraw'
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File.unlink 'test-testraw.c'
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