metasploit-framework/modules/auxiliary/server/tftp.rb

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##
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# This module requires Metasploit: https://metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##
require 'rex/proto/tftp'
require 'tmpdir'
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class MetasploitModule < Msf::Auxiliary
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include Msf::Exploit::Remote::TFTPServer
include Msf::Auxiliary::Report
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def initialize
super(
'Name' => 'TFTP File Server',
'Description' => %q{
This module provides a TFTP service
},
'Author' => [ 'jduck', 'todb' ],
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'License' => MSF_LICENSE,
'Actions' =>
[
[ 'Service' ]
],
'PassiveActions' =>
[
'Service'
],
'DefaultAction' => 'Service'
)
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register_options(
[
OptAddress.new('SRVHOST', [ true, "The local host to listen on.", '0.0.0.0' ]),
OptPort.new('SRVPORT', [ true, "The local port to listen on.", 69 ]),
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OptPath.new('TFTPROOT', [ true, "The TFTP root directory to serve files from", Dir.tmpdir ]),
OptPath.new('OUTPUTPATH', [ true, "The directory in which uploaded files will be written.", Dir.tmpdir ])
])
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end
def srvhost
datastore['SRVHOST'] || '0.0.0.0'
end
def srvport
datastore['SRVPORT'] || 69
end
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def run
print_status("Starting TFTP server on #{srvhost}:#{srvport}...")
@tftp = Rex::Proto::TFTP::Server.new(
srvport,
srvhost,
{}
)
@tftp.set_tftproot(datastore['TFTPROOT'])
print_status("Files will be served from #{datastore['TFTPROOT']}")
@tftp.set_output_dir(datastore['OUTPUTPATH'])
print_status("Uploaded files will be saved in #{datastore['OUTPUTPATH']}")
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# Individual virtual files can be served here -
#@tftp.register_file("ays", "A" * 2048) # multiple of 512 on purpose
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@tftp.start
add_socket(@tftp.sock)
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# Wait for finish..
while @tftp.thread.alive?
sleep 3
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end
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vprint_status("Stopping TFTP server")
@tftp.stop
end
end