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util/uuid.lua @ 12520:bb5f772b3189 0.12
util.prosodyctl.check: Remove now redundant unbound config tweak
This is now done in net.unbound itself
Turning it back on in the config may still cause the problem of entries
there masking the DNS values.
author | Kim Alvefur <zash@zash.se> |
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date | Thu, 26 May 2022 13:03:58 +0200 |
parent | 12355:a0ff5c438e9d |
child | 12975:d10957394a3c |
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-- Prosody IM -- Copyright (C) 2008-2010 Matthew Wild -- Copyright (C) 2008-2010 Waqas Hussain -- -- This project is MIT/X11 licensed. Please see the -- COPYING file in the source package for more information. -- local random = require "util.random"; local random_bytes = random.bytes; local hex = require "util.hex".encode; local m_ceil = math.ceil; local function get_nibbles(n) return hex(random_bytes(m_ceil(n/2))):sub(1, n); end local function get_twobits() return ("%x"):format(random_bytes(1):byte() % 4 + 8); end local function generate() -- generate RFC 4122 complaint UUIDs (version 4 - random) return get_nibbles(8).."-"..get_nibbles(4).."-4"..get_nibbles(3).."-"..(get_twobits())..get_nibbles(3).."-"..get_nibbles(12); end return { get_nibbles=get_nibbles; generate = generate ; -- COMPAT seed = random.seed; };