prosody
749376d75b40
core/certmanager.lua

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core/certmanager.lua @ 13115:749376d75b40

net.certmanager: Move LuaSec feature detection to net.tls_luasec Further isolates LuaSec from Prosody core, with the ultimate goal of allowing LuaSec to be replaced more easily.
author Kim Alvefur <zash@zash.se>
date Sat, 27 May 2023 15:39:26 +0200
parent 12972:ead41e25ebc0
child 13116:58e793288d9c
comparison
equal deleted inserted replaced
13114:025c38ee885d 13115:749376d75b40
7 -- 7 --
8 8
9 local ssl = require "ssl"; 9 local ssl = require "ssl";
10 local configmanager = require "prosody.core.configmanager"; 10 local configmanager = require "prosody.core.configmanager";
11 local log = require "prosody.util.logger".init("certmanager"); 11 local log = require "prosody.util.logger".init("certmanager");
12 local ssl_newcontext = ssl.newcontext;
13 local new_config = require"prosody.net.server".tls_builder; 12 local new_config = require"prosody.net.server".tls_builder;
13 local tls = require "prosody.net.tls_luasec";
14 local stat = require "lfs".attributes; 14 local stat = require "lfs".attributes;
15 15
16 local x509 = require "prosody.util.x509"; 16 local x509 = require "prosody.util.x509";
17 local lfs = require "lfs"; 17 local lfs = require "lfs";
18 18
28 28
29 local prosody = prosody; 29 local prosody = prosody;
30 local pathutil = require"prosody.util.paths"; 30 local pathutil = require"prosody.util.paths";
31 local resolve_path = pathutil.resolve_relative_path; 31 local resolve_path = pathutil.resolve_relative_path;
32 local config_path = prosody.paths.config or "."; 32 local config_path = prosody.paths.config or ".";
33
34 local function test_option(option)
35 return not not ssl_newcontext({mode="server",protocol="sslv23",options={ option }});
36 end
37
38 local luasec_major, luasec_minor = ssl._VERSION:match("^(%d+)%.(%d+)");
39 local luasec_version = tonumber(luasec_major) * 100 + tonumber(luasec_minor);
40 local luasec_has = ssl.config or {
41 algorithms = {
42 ec = luasec_version >= 5;
43 };
44 capabilities = {
45 curves_list = luasec_version >= 7;
46 };
47 options = {
48 cipher_server_preference = test_option("cipher_server_preference");
49 no_ticket = test_option("no_ticket");
50 no_compression = test_option("no_compression");
51 single_dh_use = test_option("single_dh_use");
52 single_ecdh_use = test_option("single_ecdh_use");
53 no_renegotiation = test_option("no_renegotiation");
54 };
55 };
56 33
57 local _ENV = nil; 34 local _ENV = nil;
58 -- luacheck: std none 35 -- luacheck: std none
59 36
60 -- Global SSL options if not overridden per-host 37 -- Global SSL options if not overridden per-host
204 capath = "/etc/ssl/certs"; 181 capath = "/etc/ssl/certs";
205 depth = 9; 182 depth = 9;
206 protocol = "tlsv1+"; 183 protocol = "tlsv1+";
207 verify = "none"; 184 verify = "none";
208 options = { 185 options = {
209 cipher_server_preference = luasec_has.options.cipher_server_preference; 186 cipher_server_preference = tls.features.options.cipher_server_preference;
210 no_ticket = luasec_has.options.no_ticket; 187 no_ticket = tls.features.options.no_ticket;
211 no_compression = luasec_has.options.no_compression and configmanager.get("*", "ssl_compression") ~= true; 188 no_compression = tls.features.options.no_compression and configmanager.get("*", "ssl_compression") ~= true;
212 single_dh_use = luasec_has.options.single_dh_use; 189 single_dh_use = tls.features.options.single_dh_use;
213 single_ecdh_use = luasec_has.options.single_ecdh_use; 190 single_ecdh_use = tls.features.options.single_ecdh_use;
214 no_renegotiation = luasec_has.options.no_renegotiation; 191 no_renegotiation = tls.features.options.no_renegotiation;
215 }; 192 };
216 verifyext = { 193 verifyext = {
217 "lsec_continue", -- Continue past certificate verification errors 194 "lsec_continue", -- Continue past certificate verification errors
218 "lsec_ignore_purpose", -- Validate client certificates as if they were server certificates 195 "lsec_ignore_purpose", -- Validate client certificates as if they were server certificates
219 }; 196 };
220 curve = luasec_has.algorithms.ec and not luasec_has.capabilities.curves_list and "secp384r1"; 197 curve = tls.features.algorithms.ec and not tls.features.capabilities.curves_list and "secp384r1";
221 curveslist = { 198 curveslist = {
222 "X25519", 199 "X25519",
223 "P-384", 200 "P-384",
224 "P-256", 201 "P-256",
225 "P-521", 202 "P-521",
232 "!PSK", -- Pre-Shared Key - not used for XMPP 209 "!PSK", -- Pre-Shared Key - not used for XMPP
233 "!SRP", -- Secure Remote Password - not used for XMPP 210 "!SRP", -- Secure Remote Password - not used for XMPP
234 "!3DES", -- 3DES - slow and of questionable security 211 "!3DES", -- 3DES - slow and of questionable security
235 "!aNULL", -- Ciphers that does not authenticate the connection 212 "!aNULL", -- Ciphers that does not authenticate the connection
236 }; 213 };
237 dane = luasec_has.capabilities.dane and configmanager.get("*", "use_dane") and { "no_ee_namechecks" }; 214 dane = tls.features.capabilities.dane and configmanager.get("*", "use_dane") and { "no_ee_namechecks" };
238 } 215 }
239 216
240 local mozilla_ssl_configs = { 217 local mozilla_ssl_configs = {
241 -- https://wiki.mozilla.org/Security/Server_Side_TLS 218 -- https://wiki.mozilla.org/Security/Server_Side_TLS
242 -- Version 5.6 as of 2021-12-26 219 -- Version 5.6 as of 2021-12-26
300 ciphersuites = { "TLS_AES_128_GCM_SHA256"; "TLS_AES_256_GCM_SHA384"; "TLS_CHACHA20_POLY1305_SHA256" }; 277 ciphersuites = { "TLS_AES_128_GCM_SHA256"; "TLS_AES_256_GCM_SHA384"; "TLS_CHACHA20_POLY1305_SHA256" };
301 }; 278 };
302 }; 279 };
303 280
304 281
305 if luasec_has.curves then 282 if tls.features.curves then
306 for i = #core_defaults.curveslist, 1, -1 do 283 for i = #core_defaults.curveslist, 1, -1 do
307 if not luasec_has.curves[ core_defaults.curveslist[i] ] then 284 if not tls.features.curves[ core_defaults.curveslist[i] ] then
308 t_remove(core_defaults.curveslist, i); 285 t_remove(core_defaults.curveslist, i);
309 end 286 end
310 end 287 end
311 else 288 else
312 core_defaults.curveslist = nil; 289 core_defaults.curveslist = nil;
384 end 361 end
385 362
386 local function reload_ssl_config() 363 local function reload_ssl_config()
387 global_ssl_config = configmanager.get("*", "ssl"); 364 global_ssl_config = configmanager.get("*", "ssl");
388 global_certificates = configmanager.get("*", "certificates") or "certs"; 365 global_certificates = configmanager.get("*", "certificates") or "certs";
389 if luasec_has.options.no_compression then 366 if tls.features.options.no_compression then
390 core_defaults.options.no_compression = configmanager.get("*", "ssl_compression") ~= true; 367 core_defaults.options.no_compression = configmanager.get("*", "ssl_compression") ~= true;
391 end 368 end
392 core_defaults.dane = configmanager.get("*", "use_dane") or false; 369 core_defaults.dane = configmanager.get("*", "use_dane") or false;
393 cert_index = index_certs(resolve_path(config_path, global_certificates)); 370 cert_index = index_certs(resolve_path(config_path, global_certificates));
394 end 371 end