prosody
08a933450922
util/dns.lua

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util/dns.lua @ 12288:08a933450922

util.dns: Replace base16 implementation with util.hex Less code!
author Kim Alvefur <zash@zash.se>
date Tue, 15 Feb 2022 13:03:02 +0100
parent 12241:dd15f42f6312
child 12289:3a655adf1d0d
comparison
equal deleted inserted replaced
12287:5cd075ed4fd3 12288:08a933450922
7 local setmetatable = setmetatable; 7 local setmetatable = setmetatable;
8 local table = table; 8 local table = table;
9 local t_concat = table.concat; 9 local t_concat = table.concat;
10 local t_insert = table.insert; 10 local t_insert = table.insert;
11 local s_byte = string.byte; 11 local s_byte = string.byte;
12 local s_char = string.char;
13 local s_format = string.format; 12 local s_format = string.format;
14 local s_gsub = string.gsub; 13 local s_gsub = string.gsub;
15 local s_sub = string.sub; 14 local s_sub = string.sub;
16 local s_match = string.match; 15 local s_match = string.match;
17 local s_gmatch = string.gmatch; 16 local s_gmatch = string.gmatch;
21 local iana_data = require "util.dnsregistry"; 20 local iana_data = require "util.dnsregistry";
22 if have_net and not net_util.ntop then -- Added in Prosody 0.11 21 if have_net and not net_util.ntop then -- Added in Prosody 0.11
23 have_net = false; 22 have_net = false;
24 end 23 end
25 24
26 local chartohex = {}; 25 local tohex = require "util.hex".to;
27
28 for c = 0, 255 do
29 chartohex[s_char(c)] = s_format("%02X", c);
30 end
31
32 local function tohex(s)
33 return (s_gsub(s, ".", chartohex));
34 end
35 26
36 -- Simplified versions of Waqas DNS parsers 27 -- Simplified versions of Waqas DNS parsers
37 -- Only the per RR parsers are needed and only feed a single RR 28 -- Only the per RR parsers are needed and only feed a single RR
38 29
39 local parsers = {}; 30 local parsers = {};