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comparison util/dns.lua @ 12241:dd15f42f6312

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util.dns: Minor updates of SVCB parser Now based on draft-ietf-dnsop-svcb-https-08
author Kim Alvefur <zash@zash.se>
date Wed, 02 Feb 2022 17:58:48 +0100
parents ffd66b461f6a
children 08a933450922
comparison
equal deleted inserted replaced
12240:ffd66b461f6a 12241:dd15f42f6312
196 match = match; 196 match = match;
197 data = s_sub(packet, 4); 197 data = s_sub(packet, 4);
198 }, tlsa_mt); 198 }, tlsa_mt);
199 end 199 end
200 200
201 local svcb_params = {"alpn"; "no-default-alpn"; "port"; "ipv4hint"; "echconfig"; "ipv6hint"}; 201 local svcb_params = {"alpn"; "no-default-alpn"; "port"; "ipv4hint"; "ech"; "ipv6hint"};
202 setmetatable(svcb_params, {__index = function(_, n) return "key" .. tostring(n); end}); 202 setmetatable(svcb_params, {__index = function(_, n) return "key" .. tostring(n); end});
203 203
204 local svcb_mt = { 204 local svcb_mt = {
205 __tostring = function (rr) 205 __tostring = function (rr)
206 local kv = {}; 206 local kv = {};
207 for i = 1, #rr.fields do 207 for i = 1, #rr.fields do
208 t_insert(kv, s_format("%s=%q", svcb_params[rr.fields[i].key], tostring(rr.fields[i].value))); 208 t_insert(kv, s_format("%s=%q", svcb_params[rr.fields[i].key], tostring(rr.fields[i].value)));
209 -- FIXME the =value part may be omitted when the value is "empty"
209 end 210 end
210 return s_format("%d %s %s", rr.prio, rr.name, t_concat(kv, " ")); 211 return s_format("%d %s %s", rr.prio, rr.name, t_concat(kv, " "));
211 end; 212 end;
212 }; 213 };
213 local svbc_ip_mt = {__tostring = function(ip) return t_concat(ip, ", "); end} 214 local svbc_ip_mt = {__tostring = function(ip) return t_concat(ip, ", "); end}