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| author | Péter Dimitrov <[email protected]> | 2019-03-11 16:51:12 +0100 |
|---|---|---|
| committer | Péter Dimitrov <[email protected]> | 2019-03-14 09:53:59 +0100 |
| commit | 0597262c9a8f55fe72e6280ea8d0fc6bec1c39e5 (patch) | |
| tree | 646750b027743323e96bd7254f118dc8478cbc1e | |
| parent | 22ce783fe400ee5e3996802a634c8d5868edc82f (diff) | |
| download | otp-0597262c9a8f55fe72e6280ea8d0fc6bec1c39e5.tar.gz otp-0597262c9a8f55fe72e6280ea8d0fc6bec1c39e5.tar.bz2 otp-0597262c9a8f55fe72e6280ea8d0fc6bec1c39e5.zip | |
ssl: Handle unencrypted Alert (Illegal Parameter)
Handle unencrypted 'Illegal Parameter' Alerts from openssl s_client
when the server's connection states are already stepped into
traffic encryption.
Change-Id: I10951a9061e6f4b13d8ddb8ab99f8a812a483113
| -rw-r--r-- | lib/ssl/src/tls_record_1_3.erl | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/lib/ssl/src/tls_record_1_3.erl b/lib/ssl/src/tls_record_1_3.erl index 05acc08392..97331e1510 100644 --- a/lib/ssl/src/tls_record_1_3.erl +++ b/lib/ssl/src/tls_record_1_3.erl @@ -124,6 +124,20 @@ decode_cipher_text(#ssl_tls{type = ?OPAQUE_TYPE, {decode_inner_plaintext(PlainFragment), ConnectionStates} end; + +%% RFC8446 - TLS 1.3 (OpenSSL compatibility) +%% Handle unencrypted Alerts from openssl s_client when server's +%% connection states are already stepped into traffic encryption. +%% (E.g. openssl s_client receives a CertificateRequest with +%% a signature_algorithms_cert extension that does not contain +%% the signature algorithm of the client's certificate.) +decode_cipher_text(#ssl_tls{type = ?ALERT, + version = ?LEGACY_VERSION, + fragment = <<2,47>>}, + ConnectionStates0) -> + {#ssl_tls{type = ?ALERT, + version = {3,4}, %% Internally use real version + fragment = <<2,47>>}, ConnectionStates0}; %% RFC8446 - TLS 1.3 %% D.4. Middlebox Compatibility Mode %% - If not offering early data, the client sends a dummy @@ -139,7 +153,6 @@ decode_cipher_text(#ssl_tls{type = ?CHANGE_CIPHER_SPEC, {#ssl_tls{type = ?CHANGE_CIPHER_SPEC, version = {3,4}, %% Internally use real version fragment = <<1>>}, ConnectionStates0}; - decode_cipher_text(#ssl_tls{type = Type, version = ?LEGACY_VERSION, fragment = CipherFragment}, |