lib/msf/core/handler/reverse/comm.rb
# -*- coding: binary -*-
require 'rex/socket'
module Msf
module Handler
module Reverse
###
#
# Implements the reverse Rex::Socket::Comm handlng.
#
###
module Comm
def initialize(info = {})
super
register_advanced_options(
[
OptString.new('ReverseListenerComm', [ false, 'The specific communication channel to use for this listener']),
], Msf::Handler::Reverse::Comm)
end
def select_comm
rl_comm = datastore['ReverseListenerComm'].to_s
case rl_comm
when 'local'
comm = ::Rex::Socket::Comm::Local
when /\A-?[0-9]+\Z/
comm = framework.sessions.get(rl_comm.to_i)
raise(RuntimeError, "Reverse Listener Comm (Session #{rl_comm}) does not exist") unless comm
raise(RuntimeError, "Reverse Listener Comm (Session #{rl_comm}) does not implement Rex::Socket::Comm") unless comm.is_a? ::Rex::Socket::Comm
when nil, ''
comm = nil
else
raise(RuntimeError, "Reverse Listener Comm '#{rl_comm}' is invalid")
end
comm
end
def via_string(comm)
comm_used = comm
comm_used ||= Rex::Socket::Comm::Local
if comm_used.respond_to?(:type) && comm_used.respond_to?(:sid)
via = "via the #{comm_used.type} on session #{comm_used.sid}"
else
via = ""
end
via
end
end
end
end
end