metasploit-framework/lib/msf/core/module/target.rb

146 lines
2.6 KiB
Ruby

require 'msf/core'
###
#
# Target
# ------
#
# A target for an exploit.
#
###
class Msf::Module::Target
###
#
# Bruteforce
# ----------
#
# Target-specific brute force information, such as the addresses
# to step, the step size (if the framework default is bad), and
# other stuff.
#
###
class Bruteforce < Hash
def initialize(hash)
update(hash)
end
#
# Returns a hash of addresses that should be stepped during
# exploitation and passed in to the bruteforce exploit
# routine.
#
def start_addresses
if (self['Start'] and self['Start'].kind_of?(Hash) == false)
return {'Address' => self['Start'] }
else
return self['Start']
end
end
#
# Returns a hash of addresses that should be stopped at once
# they are reached.
#
def stop_addresses
if (self['Stop'] and self['Stop'].kind_of?(Hash) == false)
return {'Address' => self['Stop'] }
else
return self['Stop']
end
end
#
# The step size to use, or zero if the framework should figure
# it out.
#
def step_size
self['Step'] || 0
end
#
# Returns the default step direction
#
def default_direction
dd = self['DefaultDirection']
if (dd and dd.to_s.match(/(-1|backward)/i))
return -1
end
return 1
end
#
# The delay to add between attempts
#
def delay
self['Delay'].to_i || 0
end
end
#
# Serialize from an array to a Target instance
#
def self.from_a(ary)
return nil if (ary.length < 2)
self.new(ary.shift, ary.shift)
end
#
# Transforms the supplied source into an array of Target's
#
def self.transform(src)
Rex::Transformer.transform(src, Array, [ self, String ], 'Target')
end
#
# Init it up!
#
def initialize(name, opts)
opts = {} if (!opts)
self.name = name
self.platform = Msf::Module::PlatformList.from_a(opts['Platform'])
self.save_registers = opts['SaveRegisters']
self.ret = opts['Ret']
self.opts = opts
if (opts['Arch'])
self.arch = Rex::Transformer.transform(opts['Arch'], Array,
[ String ], 'Arch')
end
# Does this target have brute force information?
if (opts['Bruteforce'])
self.bruteforce = Bruteforce.new(opts['Bruteforce'])
end
end
#
# Index the options directly
#
def [](key)
opts[key]
end
#
# Returns whether or not this is a bruteforce target, forces boolean
# result.
#
def bruteforce?
return (bruteforce != nil)
end
attr_reader :name, :platform, :arch, :opts, :ret, :save_registers
attr_reader :bruteforce
protected
attr_writer :name, :platform, :arch, :opts, :ret, :save_registers
attr_writer :bruteforce
end