Class: Rex::RopBuilder::RopBase

Inherits:
Object
  • Object
show all
Defined in:
lib/rex/ropbuilder/rop.rb

Direct Known Subclasses

RopCollect

Instance Method Summary collapse

Constructor Details

#initialize ⇒ RopBase

Returns a new instance of RopBase.



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# File 'lib/rex/ropbuilder/rop.rb', line 12

def initialize()
	@stdio = Rex::Ui::Text::Output::Stdio.new
	@gadgets = []
end

Instance Method Details

#import(file) ⇒ Object 



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# File 'lib/rex/ropbuilder/rop.rb', line 45

def import(file)
	begin
		data = File.new(file, 'r').read
	rescue
		@stdio.print_error("Error reading #{file}")
		return []
	end

	if data.empty? or data.nil?
		return []
	end

	data.gsub!(/\"/, '')
	data.gsub!("Address,Raw,Disassembly\n", '')

	@gadgets = []

	data.each_line do |line|
		addr, raw, disasm = line.split(',', 3)
		if addr.nil? or raw.nil? or disasm.nil?
			@stdio.print_error("Import file format corrupted")
			return []
		end
		disasm.gsub!(/: /, ":\t")
		disasm.gsub!(' | ', "\n")
		raw = [raw].pack('H*')
		@gadgets << {:file => file, :address => addr, :raw => raw, :disasm => disasm.chomp!}
	end
		@gadgets
end

#print_msg(msg, color = true) ⇒ Object 



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# File 'lib/rex/ropbuilder/rop.rb', line 76

def print_msg(msg, color=true)
	if not @stdio
		@stdio = Rex::Ui::Text::Output::Stdio.new
	end

	if color == true
		@stdio.auto_color
	else
	    @stdio.disable_color
	end
	@stdio.print_raw(@stdio.substitute_colors(msg))
end

#to_csv(gadgets = []) ⇒ Object 



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# File 'lib/rex/ropbuilder/rop.rb', line 17

def to_csv(gadgets = [])
	if gadgets.empty? and @gadgets.nil? or @gadgets.empty?
		@stdio.print_error("No gadgets collected to convert to CSV format.")
		return
	end

	# allow the users to import gadget collections from multiple files
	if @gadgets.empty? or @gadgets.nil?
		@gadgets = gadgets
	end

	table = Rex::Ui::Text::Table.new(
	'Header'    => "#{@file} ROP Gadgets",
	'Indent'    => 1,
	'Columns'   =>
	[
		"Address",
		"Raw",
		"Disassembly",
	])

	@gadgets.each do |gadget|
		table << [gadget[:address], gadget[:raw].unpack('H*')[0], gadget[:disasm].gsub(/\n/, ' | ')]
	end

	return table.to_csv
end