Returns the MAC address of an IP address, or nil if it‘s not responsive to arp. Takes a dotted-octect notation of the target IP address, as well as a number of parameters:

Parameters

  :eth_saddr
   Source MAC address. Defaults to "00:00:00:00:00:00".
  :ip_saddr
   Source IP address. Defaults to "0.0.0.0"
  :flavor
   The flavor of the ARP request. Defaults to :none.
  :timeout
   Timeout in seconds. Defaults to 3.

 === Example
   PacketFu::Utils::arp("192.168.1.1") #=> "00:18:39:01:33:70"
   PacketFu::Utils::arp("192.168.1.1", :timeout => 5, :flavor => :hp_deskjet)

 === Warning

 It goes without saying, spewing forged ARP packets on your network is a great way to really
 irritate your co-workers.

This is a brute-force approach at trying to find a suitable interface with an IP address.

Discovers the local IP and Ethernet address, which is useful for writing packets you expect to get a response to. Note, this is a noisy operation; a UDP packet is generated and dropped on to the default (or named) interface, and then captured (which means you need to be root to do this).

whoami? returns a hash of :eth_saddr, :eth_src, :ip_saddr, :ip_src, :eth_dst, and :eth_daddr (the last two are usually suitable for a gateway mac address). It‘s most useful as an argument to PacketFu::Config.new.

Parameters

  :iface => "eth0"
   An interface to listen for packets on. Note that since we rely on the OS to send the probe packet,
   you will need to specify a target which will use this interface.
  :target => "1.2.3.4"
   A target IP address. By default, a packet will be sent to a random address in the 177/8 network.
   Since this network is IANA reserved (for now), this network should be handled by your default gateway
   and default interface.