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Merge pull request #5876 from zmstone/fix-ssl-config-validation 

fix(ssl): config validation
This commit is contained in:
Zaiming (Stone) Shi 2021-10-05 21:02:12 +02:00 committed by GitHub
parent af36e1a791 ce486e5540
commit 5369eb231b
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 9 additions and 14 deletions
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8
apps/emqx/src/emqx_schema.erl
View File

@ -1290,10 +1290,7 @@ parse_user_lookup_fun(StrConf) ->
{fun Mod:Fun/3, undefined}.
validate_ciphers(Ciphers) ->
All = case is_tlsv13_available() of
true -> ssl:cipher_suites(all, 'tlsv1.3', openssl);
false -> []
end ++ ssl:cipher_suites(all, 'tlsv1.2', openssl),
All = emqx_tls_lib:all_ciphers(),
case lists:filter(fun(Cipher) -> not lists:member(Cipher, All) end, Ciphers) of
[] -> ok;
Bad -> {error, {bad_ciphers, Bad}}
@ -1306,6 +1303,3 @@ validate_tls_versions(Versions) ->
[] -> ok;
Vs -> {error, {unsupported_ssl_versions, Vs}}
end.
is_tlsv13_available() ->
lists:member('tlsv1.3', proplists:get_value(available, ssl:versions())).

15
apps/emqx/src/emqx_tls_lib.erl
View File

@ -22,6 +22,7 @@
, selected_ciphers/1
, integral_ciphers/2
, drop_tls13_for_old_otp/1
, all_ciphers/0
]).
%% non-empty string
@ -59,6 +60,9 @@ integral_versions(Desired) ->
Filtered
end.
%% @doc Return a list of all supported ciphers.
all_ciphers() -> all_ciphers(default_versions()).
%% @doc Return a list of (openssl string format) cipher suites.
-spec all_ciphers([ssl:tls_version()]) -> [string()].
all_ciphers(['tlsv1.3']) ->
@ -90,7 +94,7 @@ do_selected_ciphers('tlsv1.3') ->
do_selected_ciphers(_) ->
[ "ECDHE-ECDSA-AES256-GCM-SHA384",
"ECDHE-RSA-AES256-GCM-SHA384", "ECDHE-ECDSA-AES256-SHA384", "ECDHE-RSA-AES256-SHA384",
"ECDHE-ECDSA-DES-CBC3-SHA", "ECDH-ECDSA-AES256-GCM-SHA384", "ECDH-RSA-AES256-GCM-SHA384",
"ECDH-ECDSA-AES256-GCM-SHA384", "ECDH-RSA-AES256-GCM-SHA384",
"ECDH-ECDSA-AES256-SHA384", "ECDH-RSA-AES256-SHA384", "DHE-DSS-AES256-GCM-SHA384",
"DHE-DSS-AES256-SHA256", "AES256-GCM-SHA384", "AES256-SHA256",
"ECDHE-ECDSA-AES128-GCM-SHA256", "ECDHE-RSA-AES128-GCM-SHA256",
@ -98,15 +102,14 @@ do_selected_ciphers(_) ->
"ECDH-RSA-AES128-GCM-SHA256", "ECDH-ECDSA-AES128-SHA256", "ECDH-RSA-AES128-SHA256",
"DHE-DSS-AES128-GCM-SHA256", "DHE-DSS-AES128-SHA256", "AES128-GCM-SHA256", "AES128-SHA256",
"ECDHE-ECDSA-AES256-SHA", "ECDHE-RSA-AES256-SHA", "DHE-DSS-AES256-SHA",
"ECDH-ECDSA-AES256-SHA", "ECDH-RSA-AES256-SHA", "AES256-SHA", "ECDHE-ECDSA-AES128-SHA",
"ECDH-ECDSA-AES256-SHA", "ECDH-RSA-AES256-SHA", "ECDHE-ECDSA-AES128-SHA",
"ECDHE-RSA-AES128-SHA", "DHE-DSS-AES128-SHA", "ECDH-ECDSA-AES128-SHA",
"ECDH-RSA-AES128-SHA", "AES128-SHA",
"ECDH-RSA-AES128-SHA",
%% psk
"RSA-PSK-AES256-GCM-SHA384","RSA-PSK-AES256-CBC-SHA384",
"RSA-PSK-AES128-GCM-SHA256","RSA-PSK-AES128-CBC-SHA256",
"RSA-PSK-AES256-CBC-SHA","RSA-PSK-AES128-CBC-SHA",
"RSA-PSK-DES-CBC3-SHA","RSA-PSK-RC4-SHA"
"RSA-PSK-AES256-CBC-SHA","RSA-PSK-AES128-CBC-SHA"
].
%% @doc Ensure version & cipher-suites integrity.
@ -213,8 +216,6 @@ drop_tls13(SslOpts0) ->
-ifdef(TEST).
-include_lib("eunit/include/eunit.hrl").
all_ciphers() -> all_ciphers(default_versions()).
drop_tls13_test() ->
Versions = default_versions(),
?assert(lists:member('tlsv1.3', Versions)),