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a2c2863531
This is the default and can be omitted. Seeing as the value of this argument was "hardmatched" in 100% of cases, we're better off pretending the parameter doesn't exist.
54 lines
1.6 KiB
Lua
54 lines
1.6 KiB
Lua
local comm = require "comm"
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local nmap = require "nmap"
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local shortport = require "shortport"
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local string = require "string"
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description = [[
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Detects the Skype version 2 service.
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]]
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---
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-- @output
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-- PORT STATE SERVICE VERSION
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-- 80/tcp open skype2 Skype
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author = "Brandon Enright"
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license = "Same as Nmap--See http://nmap.org/book/man-legal.html"
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categories = {"version"}
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portrule = function(host, port)
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return (port.number == 80 or port.number == 443 or
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port.service == nil or port.service == "" or
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port.service == "unknown")
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and port.protocol == "tcp" and port.state == "open"
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and port.service ~= "http" and port.service ~= "ssl/http"
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and not(shortport.port_is_excluded(port.number,port.protocol))
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end
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action = function(host, port)
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local status, result = comm.exchange(host, port,
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"GET / HTTP/1.0\r\n\r\n", {bytes=26, proto=port.protocol})
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if (not status) then
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return
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end
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if (result ~= "HTTP/1.0 404 Not Found\r\n\r\n") then
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return
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end
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-- So far so good, now see if we get random data for another request
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status, result = comm.exchange(host, port,
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"random data\r\n\r\n", {bytes=15, proto=port.protocol})
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if (not status) then
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return
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end
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if string.match(result, "[^%s!-~].*[^%s!-~].*[^%s!-~]") then
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-- Detected
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port.version.name = "skype2"
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port.version.product = "Skype"
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nmap.set_port_version(host, port)
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return
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end
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return
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end
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