Class: BetterCap::Discovery::Agents::Base

Inherits:
Object
  • Object
show all
Defined in:
lib/bettercap/discovery/agents/base.rb

Overview

Base class for BetterCap::Discovery::Agents.

Direct Known Subclasses

Arp, Udp

Instance Method Summary collapse

Constructor Details

#initialize(ctx, address = nil) ⇒ Base

Initialize the agent using the ctx BetterCap::Context instance. If address is not nil only that ip will be probed.



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# File 'lib/bettercap/discovery/agents/base.rb', line 22

def initialize( ctx, address = nil )
  @ctx       = ctx
  @ifconfig  = ctx.ifconfig
  @local_ip  = @ifconfig[:ip_saddr]
  @address   = address

  if @address.nil?
    net = ip = @ifconfig[:ip4_obj]
    # loop each ip in our subnet and push it to the queue
    while net.include?ip
      unless skip_address?(ip)
        @ctx.packets.push( get_probe(ip) )
      end
      ip = ip.succ
    end
  else
    if skip_address?(@address)
      Logger.debug "Skipping #{@address} ..."
    else
      Logger.debug "Probing #{@address} ..."
      @ctx.packets.push( get_probe(@address) )
    end
  end
end