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Contents
# -*- coding: binary -*-
require 'rex/post/meterpreter/extensions/stdapi/tlv'
module Rex
module Post
module Meterpreter
module Extensions
module Stdapi
module Net
###
#
# This class provides DNS resolution from the perspective
# of the remote host.
#
###
class Resolve
##
#
# Constructor
#
##
#
# Initializes a Resolve instance that is used to resolve network addresses
# on the remote machine.
#
def initialize(client)
self.client = client
end
def resolve_host(hostname, family=AF_INET)
request = Packet.create_request('stdapi_net_resolve_host')
request.add_tlv(TLV_TYPE_HOST_NAME, hostname)
request.add_tlv(TLV_TYPE_ADDR_TYPE, family)
response = client.send_request(request)
type = response.get_tlv_value(TLV_TYPE_ADDR_TYPE)
raw = response.get_tlv_value(TLV_TYPE_IP)
return raw_to_host_ip_pair(hostname, raw, type)
end
def resolve_hosts(hostnames, family=AF_INET)
request = Packet.create_request('stdapi_net_resolve_hosts')
request.add_tlv(TLV_TYPE_ADDR_TYPE, family)
hostnames.each do |hostname|
request.add_tlv(TLV_TYPE_HOST_NAME, hostname)
end
response = client.send_request(request)
hosts = []
raws = []
types = []
response.each(TLV_TYPE_IP) do |raw|
raws << raw
end
response.each(TLV_TYPE_ADDR_TYPE) do |type|
types << type
end
0.upto(hostnames.length - 1) do |i|
raw = raws[i]
type = types[i]
host = hostnames[i]
hosts << raw_to_host_ip_pair(host, raw.value, type.value)
end
return hosts
end
def raw_to_host_ip_pair(host, raw, type)
if raw.nil? or host.nil?
return nil
end
if raw.empty?
ip = nil
else
if type == AF_INET
ip = Rex::Socket.addr_ntoa(raw[0..3])
else
ip = Rex::Socket.addr_ntoa(raw[0..16])
end
end
result = { :hostname => host, :ip => ip }
return result
end
protected
attr_accessor :client # :nodoc:
end
end; end; end; end; end; end
Version data entries
15 entries across 15 versions & 3 rubygems