69 lines
2.0 KiB
Plaintext
69 lines
2.0 KiB
Plaintext
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local nmap = require "nmap"
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local stdnse = require "stdnse"
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local string = require "string"
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description = [[
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Wakes a remote system up from sleep by sending a Wake-On-Lan packet.
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]]
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---
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-- @usage
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-- nmap --script broadcast-wake-on-lan --script-args broadcast-wake-on-lan.MAC='00:12:34:56:78:9A'
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--
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-- @output
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-- Pre-scan script results:
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-- | broadcast-wake-on-lan:
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-- |_ Sent WOL packet to: 10:9a:dd:a8:40:24
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--
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-- @args broadcast-wake-on-lan.MAC The MAC address of the remote system to wake up
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-- @args broadcast-wake-on-lan.address The broadcast address to which the WoL packet is sent.
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--
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author = "Patrik Karlsson"
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license = "Same as Nmap--See https://nmap.org/book/man-legal.html"
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categories = {"broadcast", "safe"}
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local MAC = stdnse.get_script_args("broadcast-wake-on-lan.MAC")
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local address = stdnse.get_script_args("broadcast-wake-on-lan.address")
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prerule = function()
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-- only run if we are ipv4 and have a MAC
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return (MAC ~= nil and nmap.address_family() == "inet")
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end
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-- Creates the WoL packet based on the remote MAC
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-- @param mac string containing the MAC without delimiters
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-- @return packet string containing the raw packet
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local function createWOLPacket(mac)
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return "\xff\xff\xff\xff\xff\xff" .. string.rep(stdnse.fromhex(mac), 16)
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end
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local function fail (err) return stdnse.format_output(false, err) end
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action = function()
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local MAC_hex
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if ( MAC:match("%x%x:%x%x:%x%x:%x%x:%x%x:%x%x") ) then
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MAC_hex = MAC:gsub(":", "")
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elseif( MAC:match("%x%x%-%x%x%-%x%x%-%x%x%-%x%x%-%x%x") ) then
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MAC_hex = MAC:gsub("-", "")
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else
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return fail("Failed to process MAC address")
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end
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local host = { ip = address or "255.255.255.255" }
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local port = { number = 9, protocol = "udp" }
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local socket = nmap.new_socket("udp")
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-- send two packets, just in case
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for i=1,2 do
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local packet = createWOLPacket(MAC_hex)
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local status, err = socket:sendto(host, port, packet)
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if ( not(status) ) then
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return fail("Failed to send packet")
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end
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end
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return stdnse.format_output(true, ("Sent WOL packet to: %s"):format(MAC))
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end
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