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Server : Apache/2.4.18 (Ubuntu) System : Linux canvaswebdesign 3.13.0-71-generic #114-Ubuntu SMP Tue Dec 1 02:34:22 UTC 2015 x86_64 User : oppastar ( 1041) PHP Version : 7.0.33-0ubuntu0.16.04.15 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority, Directory : /usr/share/nmap/scripts/ |
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local http = require "http"
local nmap = require "nmap"
local shortport = require "shortport"
local stdnse = require "stdnse"
local table = require "table"
description = [[
Performs a HEAD request for the root folder ("/") of a web server and displays the HTTP headers returned.
]]
---
-- @output
-- PORT STATE SERVICE
-- 80/tcp open http
-- | http-headers:
-- | Date: Fri, 25 Jan 2013 17:39:08 GMT
-- | Server: Apache/2.2.14 (Ubuntu)
-- | Accept-Ranges: bytes
-- | Vary: Accept-Encoding
-- | Connection: close
-- | Content-Type: text/html
-- |
-- |_ (Request type: HEAD)
--
--@args path The path to request, such as <code>/index.php</code>. Default <code>/</code>.
--@args useget Set to force GET requests instead of HEAD.
author = "Ron Bowes"
license = "Same as Nmap--See https://nmap.org/book/man-legal.html"
categories = {"discovery", "safe"}
portrule = shortport.http
local function fail (err) return stdnse.format_output(false, err) end
action = function(host, port)
local path = stdnse.get_script_args(SCRIPT_NAME..".path") or "/"
local useget = stdnse.get_script_args(SCRIPT_NAME..".useget")
local request_type = "HEAD"
local status = false
local result
-- Check if the user didn't want HEAD to be used
if(useget == nil) then
-- Try using HEAD first
status, result = http.can_use_head(host, port, nil, path)
end
-- If head failed, try using GET
if(status == false) then
stdnse.debug1("HEAD request failed, falling back to GET")
result = http.get(host, port, path)
request_type = "GET"
end
if(result == nil) then
return fail("Header request failed")
end
if(result.rawheader == nil) then
return fail("Header request didn't return a proper header")
end
table.insert(result.rawheader, "(Request type: " .. request_type .. ")")
return stdnse.format_output(true, result.rawheader)
end