69 lines
1.2 KiB
Ruby
69 lines
1.2 KiB
Ruby
module Msf
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###
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#
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# This module provides methods for receiving packets through the PcapX module
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#
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###
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module Exploit::Pcap
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#
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# Initializes an instance of an exploit module that receives raw packets
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#
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def initialize(info = {})
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super
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register_options(
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[
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OptString.new('INTERFACE', [true, 'The name of the interface to sniff', 'eth0'])
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], Msf::Exploit::Pcap
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)
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begin
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require 'PcapX'
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@pcapx_loaded = true
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rescue ::Exception => e
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@pcapx_loaded = false
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@pcapx_error = e
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end
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end
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#
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# Opens a network device for capture
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#
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def pcap_open_live(device = 'eth0', snaplen=65535, promisc=true)
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if (not @pcapx_loaded)
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print_status("The PcapX module is not available: #{@pcapx_error.to_s}")
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raise RuntimeError, "PcapX not available"
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return
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end
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self.capture = ::PcapX::Capture.open_live(device, snaplen.to_i, promisc)
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end
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#
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# Sets the pcap filter
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#
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def pcap_setfilter(filter='')
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return if not self.capture
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self.capture.setfilter(filter)
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end
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#
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# Opens a network device based on datastore
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#
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def pcap_open(filter='')
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pcap_open_live(datastore['INTERFACE'])
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pcap_setfilter(filter)
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end
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attr_accessor :capture
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end
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end
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