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Applied Fabian Affolter's patch to make generator entry more generic

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devin
2014-07-30 22:16:32 +00:00
parent 0e24910267
commit e441e2a81d
1 changed files with 7 additions and 8 deletions
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15
scripts/http-generator.nse
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@@ -4,7 +4,8 @@ local stdnse = require "stdnse"
local string = require "string" local string = require "string"
description = [[ description = [[
Displays the contents of the "generator" meta tag of a web page (default: /) if there is one. Displays the contents of the "generator" meta tag of a web page (default: /)
if there is one.
]] ]]
author = "Michael Kohl" author = "Michael Kohl"
@@ -42,12 +43,10 @@ categories = {"default", "discovery", "safe"}
-- + improve redirect pattern -- + improve redirect pattern
-- + update documentation -- + update documentation
-- + add changelog -- + add changelog
-- 2014-07-29 Fabian Affolter <fabian@affolter-engineering.ch>:
-- + update generator pattern
-- TODO: -- Helper function
-- more generic generator pattern
-- helper function
local follow_redirects = function(host, port, path, n) local follow_redirects = function(host, port, path, n)
local pattern = "^[hH][tT][tT][pP]/1.[01] 30[12]" local pattern = "^[hH][tT][tT][pP]/1.[01] 30[12]"
local response = http.get(host, port, path) local response = http.get(host, port, path)
@@ -69,9 +68,9 @@ action = function(host, port)
local redirects = tonumber(stdnse.get_script_args('http-generator.redirects')) or 3 local redirects = tonumber(stdnse.get_script_args('http-generator.redirects')) or 3
-- Worst case: <meta name=Generator content="Microsoft Word 11"> -- Worst case: <meta name=Generator content="Microsoft Word 11">
local pattern = '<meta name="?generator"? content="([^\"]*)" ?/?>' local pattern = '<meta name=[\"\']?generator[\"\']? content=[\"\']([^\"\']*)[\"\'] ?/?>'
-- make pattern case-insensitive -- Make pattern case-insensitive
pattern = pattern:gsub("%a", function (c) pattern = pattern:gsub("%a", function (c)
return string.format("[%s%s]", string.lower(c), return string.format("[%s%s]", string.lower(c),
string.upper(c)) string.upper(c))