115 lines
3.0 KiB
Lua
115 lines
3.0 KiB
Lua
local shortport = require "shortport"
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description = [[
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Return status, title and favicon URL of a webpage
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]]
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---
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-- @args http-get.path Path to get. Default /.
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--
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-- @usage nmap -phttp,https --script http-info.nse --script-args http-info.path=/ <host>
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--
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-- @output
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-- 80/tcp open http
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-- | http-info:
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-- | status-line: HTTP/1.1 200 OK\x0D
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-- |
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-- | title: Go ahead and ScanMe!
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-- | favicon: http://scanme.nmap.org:80/shared/images/tiny-eyeicon.png
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-- |_ status: 200
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---
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categories = {"discovery", "intrusive"}
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author = "Adrien Malingrey"
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license = "Same as Nmap--See https://nmap.org/book/man-legal.html"
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portrule = shortport.service({"http", "https", "ssl"})
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local http = require "http"
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local stdnse = require "stdnse"
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action = function(host, port)
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local scheme = ""
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local hostaddress = (host.name ~= '' and host.name) or host.ip
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local path = "/"
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local uri
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local favicon_relative_uri = "/favicon.ico"
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local favicon
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if (port.service == "ssl") then
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scheme = "https"
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else
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scheme = port.service
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end
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if(stdnse.get_script_args('http-get.path')) then
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path = stdnse.get_script_args('http-info.path')
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end
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uri = scheme.."://"..hostaddress..":"..port.number..path
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stdnse.debug1("Try to download %s", uri)
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local answer = http.get_url(uri, {})
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local output = {status=answer.status, ["status-line"]=answer["status-line"]}
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if (answer and answer.status == 200) then
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stdnse.debug1("[SUCCESS] Load page %s", uri)
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-- Taken from http-title.nse by Diman Todorov
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local title = string.match(answer.body, "<[Tt][Ii][Tt][Ll][Ee][^>]*>([^<]*)</[Tt][Ii][Tt][Ll][Ee]>")
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if (title) then
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output.title = title
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end
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stdnse.debug1("[INFO] Try favicon %s", favicon_relative_uri)
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favicon_relative_uri = parseIcon(answer.body) or "favicon.ico"
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else
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stdnse.debug1("[ERROR] Can't load page %s", uri)
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end
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favicon_absolute_uri = scheme.."://"..hostaddress..":"..port.number..favicon_relative_uri
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favicon = http.get_url(favicon_absolute_uri, {})
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if (favicon and favicon.status == 200) then
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stdnse.debug1("[SUCCESS] Load favicon %s", favicon_absolute_uri)
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output.favicon = favicon_absolute_uri
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else
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stdnse.debug1("[ERROR] Can't load favicon %s", favicon_absolute_uri)
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end
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return output
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end
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--- function taken from http_favicon.nse by Vlatko Kosturjak
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function parseIcon( body )
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local _, i, j
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local rel, href, word
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-- Loop through link elements.
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i = 0
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while i do
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_, i = string.find(body, "<%s*[Ll][Ii][Nn][Kk]%s", i + 1)
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if not i then
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return nil
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end
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-- Loop through attributes.
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j = i
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while true do
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local name, quote, value
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_, j, name, quote, value = string.find(body, "^%s*(%w+)%s*=%s*([\"'])(.-)%2", j + 1)
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if not j then
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break
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end
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if string.lower(name) == "rel" then
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rel = value
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elseif string.lower(name) == "href" then
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href = value
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end
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end
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for word in string.gmatch(rel or "", "%S+") do
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if string.lower(word) == "icon" then
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return href
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end
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end
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end
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end
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