Module: BetterCap::Network

Defined in:
lib/bettercap/network/network.rb,
lib/bettercap/network/target.rb,
lib/bettercap/network/validator.rb,
lib/bettercap/network/arp_reader.rb,
lib/bettercap/network/protos/base.rb,
lib/bettercap/network/protos/dhcp.rb,
lib/bettercap/network/protos/ntlm.rb,
lib/bettercap/network/protos/snmp.rb,
lib/bettercap/network/packet_queue.rb,
lib/bettercap/network/protos/mysql.rb,
lib/bettercap/network/servers/dnsd.rb,
lib/bettercap/network/servers/httpd.rb

Overview

Handles various network related tasks.

Defined Under Namespace

Modules: Protos, Servers Classes: ArpReader, PacketQueue, Target, Validator

Class Method Summary collapse

Class Method Details

.get_alive_targets(ctx) ⇒ Object

Return a list of BetterCap::Target objects found on the network, given a BetterCap::Context ( ctx ) and a timeout in seconds for the operation.



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# File 'lib/bettercap/network/network.rb', line 56

def get_alive_targets( ctx )
  if ctx.options.core.should_discover_hosts?
    start_agents( ctx )
  else
    Logger.debug 'Using current ARP cache.'
  end

  ArpReader.parse ctx
end

.get_gateway ⇒ Object

Return the current network gateway or nil.



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# File 'lib/bettercap/network/network.rb', line 19

def get_gateway
  nstat = Shell.execute('netstat -nr')
  iface = Context.get.options.core.iface

  Logger.debug "NETSTAT:\n#{nstat}"

  nstat.split(/\n/).select {|n| n =~ /UG/ }.each do |line|
    Network::Validator.each_ip(line) do |address|
      return address
    end
  end
  nil
end

.get_hw_address(ctx, ip) ⇒ Object

Return the hardware address associated with the specified ip_address using the iface network interface.



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# File 'lib/bettercap/network/network.rb', line 79

def get_hw_address( ctx, ip )
  hw = ArpReader.find_address( ip )
  if hw.nil?
    start_agents( ctx, ip )
    hw = ArpReader.find_address( ip )
  end
  hw
end

.get_ip_address(ctx, mac) ⇒ Object

Return the IP address associated with the mac hardware address using the given BetterCap::Context ( ctx ).



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# File 'lib/bettercap/network/network.rb', line 68

def get_ip_address( ctx, mac )
  ip = ArpReader.find_mac( mac )
  if ip.nil?
    start_agents( ctx )
    ip = ArpReader.find_mac( mac )
  end
  ip
end

.get_local_ips ⇒ Object

Return a list of IP addresses associated to this device network interfaces.



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# File 'lib/bettercap/network/network.rb', line 34

def get_local_ips
  ips = []

  if Shell.available?('ip')
    Shell.ip.split("\n").each do |line|
      if line.strip =~ /^inet\s+([0-9]+\.[0-9]+\.[0-9]+\.[0-9]+)\/(\d+).+$/i
        ips << $1
      end
    end
  else
    Shell.ifconfig.split("\n").each do |line|
      if line =~ /inet [adr:]*([\d\.]+)/
        ips << $1
      end
    end
  end

  ips
end