mirror of
https://github.com/nmap/nmap.git
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ac5a89a8e1
for lib in nselib/*.lua*; do l=${lib#*/}; l=${l%.lua*}; find . -name \
\*.lua -o -name \*.nse | xargs grep -l "require .$l\>" | xargs grep \
-c "\<$l\." | grep ':0$' | awk -F: '{print "'$l'", $1}'; done
Did not remove calls to stdnse.silent_require since these can be used to
abort script execution if OpenSSL is not included, even if the script
does not directly call openssl.* (perhaps it uses comm.tryssl instead,
for instance).
Also did not remove require "strict", since that library is special and
modifies the environment.
85 lines
2.3 KiB
Lua
85 lines
2.3 KiB
Lua
local http = require "http"
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local nmap = require "nmap"
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local shortport = require "shortport"
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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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Shows the title of the default page of a web server.
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The script will follow no more than one HTTP redirect, and only if the
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redirection leads to the same host. The script may send a DNS query to
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determine whether the host the redirect leads to has the same IP address as the
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original target.
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]]
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---
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--@output
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-- Nmap scan report for scanme.nmap.org (74.207.244.221)
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-- PORT STATE SERVICE
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-- 80/tcp open http
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-- |_http-title: Go ahead and ScanMe!
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--
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-- @xmloutput
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-- <elem key="title">Go ahead and ScanMe!</elem>
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-- @xmloutput
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-- <elem key="title">Wikipedia, the free encyclopedia</elem>
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-- <elem key="redirect_url">http://en.wikipedia.org/wiki/Main_Page</elem>
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author = "Diman Todorov"
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license = "Same as Nmap--See http://nmap.org/book/man-legal.html"
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categories = {"default", "discovery", "safe"}
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portrule = shortport.http
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action = function(host, port)
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local resp, redirect_url, title
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resp = http.get( host, port, '/' )
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-- check for a redirect
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if resp.location then
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redirect_url = resp.location[#resp.location]
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if resp.status and tostring( resp.status ):match( "30%d" ) then
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return {redirect_url = redirect_url}, ("Did not follow redirect to %s"):format( redirect_url )
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end
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end
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if ( not(resp.body) ) then
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return
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end
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-- try and match title tags
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title = string.match(resp.body, "<[Tt][Ii][Tt][Ll][Ee][^>]*>([^<]*)</[Tt][Ii][Tt][Ll][Ee]>")
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local display_title = title
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if display_title and display_title ~= "" then
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display_title = string.gsub(display_title , "[\n\r\t]", "")
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if #display_title > 65 then
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display_title = string.sub(display_title, 1, 62) .. "..."
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end
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else
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display_title = "Site doesn't have a title"
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if ( resp.header and resp.header["content-type"] ) then
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display_title = display_title .. (" (%s)."):format( resp.header["content-type"] )
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else
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display_title = display_title .. "."
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end
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end
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local output_tab = stdnse.output_table()
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output_tab.title = title
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output_tab.redirect_url = redirect_url
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local output_str = display_title
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if redirect_url then
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output_str = output_str .. "\n" .. ("Requested resource was %s"):format( redirect_url )
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end
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return output_tab, output_str
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end
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