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New oops.lua library

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Loosely inspired by Rustlang's std::Result type:
https://doc.rust-lang.org/beta/std/result/index.html

This ought to be easy to use to replace uses of
`stdnse.format_output(false, ...)`
This commit is contained in:
dmiller 2019-06-28 20:44:19 +00:00
parent cd4da05e38
commit b445faab35
4 changed files with 151 additions and 27 deletions
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7
scripts/daytime.nse
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@ -1,5 +1,6 @@
local comm = require "comm"
local shortport = require "shortport"
local oops = require "oops"
description = [[
Retrieves the day and time from the Daytime service.
@ -21,9 +22,5 @@ categories = {"discovery", "safe"}
portrule = shortport.port_or_service(13, "daytime", {"tcp", "udp"})
action = function(host, port)
local status, result = comm.exchange(host, port, "dummy", {lines=1})
if status then
return result
end
return oops.output(comm.exchange(host, port, "dummy", {lines=1}))
end