Module: Rex::Proto::NATPMP

Defined in:
lib/rex/proto/natpmp/packet.rb,
lib/rex/proto/natpmp/constants.rb

Constant Summary collapse

DefaultPort =
5351
Version =
0
TCP =
2
UDP =
1

Class Method Summary collapse

Class Method Details

.external_address_requestObject

Return a NAT-PMP request to get the external address.


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# File 'lib/rex/proto/natpmp/packet.rb', line 15

def self.external_address_request
  [ 0, 0 ].pack('nn')
end

.map_port_request(lport, rport, protocol, lifetime) ⇒ Object

Return a NAT-PMP request to map remote port rport/protocol to local port lport for lifetime ms


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# File 'lib/rex/proto/natpmp/packet.rb', line 27

def self.map_port_request(lport, rport, protocol, lifetime)
  [   Rex::Proto::NATPMP::Version, # version
    protocol, # opcode, which is now the protocol we are asking to forward
    0, # reserved
    lport,
    rport,
    lifetime
  ].pack("ccnnnN")
end

.parse_external_address_response(resp) ⇒ Object

Parse a NAT-PMP external address response resp. Returns the decoded parts of the response as an array.


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# File 'lib/rex/proto/natpmp/packet.rb', line 21

def self.parse_external_address_response(resp)
  (ver, op, result, epoch, addr) = resp.unpack("CCSLN")
  [ ver, op, result, epoch, Rex::Socket::addr_itoa(addr) ]
end

.parse_map_port_response(resp) ⇒ Object

Parse a NAT-PMP mapping response resp. Returns the decoded parts as an array.


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# File 'lib/rex/proto/natpmp/packet.rb', line 39

def self.parse_map_port_response(resp)
  resp.unpack("CCSLnnN")
end