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Updates to gopher-ls.nse from Toni Ruotto:

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* Added gopher-ls.maxfiles script argument.
* Included file descriptions.
This commit is contained in:
david
2011-01-08 05:12:01 +00:00
parent 1ef55b81d1
commit 303123205e
1 changed files with 37 additions and 13 deletions
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50
scripts/gopher-ls.nse
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@@ -6,8 +6,14 @@ Lists files and directories at the root of a gopher service.
-- @output
-- 70/tcp open gopher
-- | gopher-ls:
-- | [txt] Gopher, the next big thing?
-- |_[dir] Tax Forms
-- | [txt] /gresearch.txt "Gopher, the next big thing?"
-- | [dir] /taxf "Tax Forms"
-- |_Only 2 shown. Use --script-args gopher-ls.maxfiles=-1 to see all.
--
-- @args gopher-ls.maxfiles If set, limits the amount of files returned by
-- the script. If set to 0 or less, all files are shown. The default
-- value is 10.
author = "Toni Ruottu"
license = "Same as Nmap--See http://nmap.org/book/man-legal.html"
@@ -19,19 +25,30 @@ require("shortport")
portrule = shortport.port_or_service (70, "gopher", {"tcp"})
local function typelabel(type)
if type == "0" then
local function typelabel(gtype)
if gtype == "0" then
return "[txt]"
end
if type == "1" then
if gtype == "1" then
return "[dir]"
end
return string.format("[%s]", type)
return string.format("[%s]", gtype)
end
action = function( host, port )
local INFO = "i"
local maxfiles = nmap.registry.args[SCRIPT_NAME .. ".maxfiles"]
if not maxfiles then
maxfiles = 10
else
maxfiles = tonumber(maxfiles)
end
if maxfiles < 1 then
maxfiles = nil
end
local socket = nmap.new_socket()
local status, err = socket:connect(host.ip, port.number)
if not status then
@@ -45,13 +62,20 @@ action = function( host, port )
local files = {}
while line ~= nil do
local fields = stdnse.strsplit("\t", line)
local first = fields[1]
if #first > 1 then
local type = string.sub(first, 1, 1)
if type ~= "i" then
local label = string.sub(first, 2)
table.insert(files, string.format("%s %s", typelabel(type), label))
if #line > 1 then
local gtype = string.sub(line, 1, 1)
local fields = stdnse.strsplit("\t", string.sub(line, 2))
if #fields > 1 then
local label = fields[1]
local filename = fields[2]
if gtype ~= INFO then
if maxfiles and #files >= maxfiles then
table.insert(files, string.format('Only %d shown. Use --script-args %s.maxfiles=-1 to see all.', maxfiles, SCRIPT_NAME))
break
else
table.insert(files, string.format('%s %s "%s"', typelabel(gtype), filename, label))
end
end
end
end
line = buffer()