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core.certmanager: Presets based on Mozilla SSL Configuration Generator

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ssl_preset = "modern"
This commit is contained in:
Kim Alvefur 2019-12-22 02:25:37 +01:00
parent bd455426f6
commit d2ff803262
2 changed files with 61 additions and 0 deletions
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60
core/certmanager.lua
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@ -247,6 +247,64 @@ local core_defaults = {
dane = configmanager.get("*", "use_dane");
}
local mozilla_ssl_configs = {
-- As of 2019-12-22
modern = {
protocol = "tlsv1_3";
options = { cipher_server_preference = false };
ciphers = "DEFAULT"; -- TLS 1.3 uses 'ciphersuites' rather than these
};
intermediate = {
protocol = "tlsv1_2+";
dhparam = nil; -- ffdhe2048.txt
options = { cipher_server_preference = false };
ciphers = {
"ECDHE-ECDSA-AES128-GCM-SHA256";
"ECDHE-RSA-AES128-GCM-SHA256";
"ECDHE-ECDSA-AES256-GCM-SHA384";
"ECDHE-RSA-AES256-GCM-SHA384";
"ECDHE-ECDSA-CHACHA20-POLY1305";
"ECDHE-RSA-CHACHA20-POLY1305";
"DHE-RSA-AES128-GCM-SHA256";
"DHE-RSA-AES256-GCM-SHA384";
};
};
old = {
protocol = "tlsv1+";
dhparam = nil; -- openssl dhparam 1024
options = { cipher_server_preference = true };
ciphers = {
"ECDHE-ECDSA-AES128-GCM-SHA256";
"ECDHE-RSA-AES128-GCM-SHA256";
"ECDHE-ECDSA-AES256-GCM-SHA384";
"ECDHE-RSA-AES256-GCM-SHA384";
"ECDHE-ECDSA-CHACHA20-POLY1305";
"ECDHE-RSA-CHACHA20-POLY1305";
"DHE-RSA-AES128-GCM-SHA256";
"DHE-RSA-AES256-GCM-SHA384";
"DHE-RSA-CHACHA20-POLY1305";
"ECDHE-ECDSA-AES128-SHA256";
"ECDHE-RSA-AES128-SHA256";
"ECDHE-ECDSA-AES128-SHA";
"ECDHE-RSA-AES128-SHA";
"ECDHE-ECDSA-AES256-SHA384";
"ECDHE-RSA-AES256-SHA384";
"ECDHE-ECDSA-AES256-SHA";
"ECDHE-RSA-AES256-SHA";
"DHE-RSA-AES128-SHA256";
"DHE-RSA-AES256-SHA256";
"AES128-GCM-SHA256";
"AES256-GCM-SHA384";
"AES128-SHA256";
"AES256-SHA256";
"AES128-SHA";
"AES256-SHA";
"DES-CBC3-SHA";
};
};
};
if luasec_has.curves then
for i = #core_defaults.curveslist, 1, -1 do
if not luasec_has.curves[ core_defaults.curveslist[i] ] then
@ -279,6 +337,8 @@ local function create_context(host, mode, ...)
password = function() log("error", "Encrypted certificate for %s requires 'ssl' 'password' to be set in config", host); end;
});
cfg:apply(global_ssl_config);
local preset = configmanager.get("*", "ssl_preset") or "intermediate";
cfg:apply(mozilla_ssl_configs[preset]);
for i = select('#', ...), 1, -1 do
cfg:apply(select(i, ...));