diff options
Diffstat (limited to 'lib/ssl/src/ssl_handshake.erl')
| -rw-r--r-- | lib/ssl/src/ssl_handshake.erl | 38 |
1 files changed, 35 insertions, 3 deletions
diff --git a/lib/ssl/src/ssl_handshake.erl b/lib/ssl/src/ssl_handshake.erl index bca341c8bc..081efda768 100644 --- a/lib/ssl/src/ssl_handshake.erl +++ b/lib/ssl/src/ssl_handshake.erl @@ -658,7 +658,7 @@ select_hashsign(#certificate_request{hashsign_algorithms = #hash_sign_algos{hash ?ALERT_REC(?FATAL, ?INSUFFICIENT_SECURITY, no_suitable_signature_algorithm) end; select_hashsign(#certificate_request{}, Cert, _, Version) -> - select_hashsign(undefined, Cert, undefined, undefined, Version). + select_hashsign(undefined, Cert, undefined, [], Version). %%-------------------------------------------------------------------- -spec select_hashsign_algs({atom(), atom()}| undefined, oid(), ssl_record:ssl_version()) -> @@ -1305,8 +1305,40 @@ handle_server_hello_extensions(RecordCB, Random, CipherSuite, Compression, end. select_version(RecordCB, ClientVersion, Versions) -> - ServerVersion = RecordCB:highest_protocol_version(Versions), - RecordCB:lowest_protocol_version(ClientVersion, ServerVersion). + do_select_version(RecordCB, ClientVersion, Versions). + +do_select_version(_, ClientVersion, []) -> + ClientVersion; +do_select_version(RecordCB, ClientVersion, [Version | Versions]) -> + case RecordCB:is_higher(Version, ClientVersion) of + true -> + %% Version too high for client - keep looking + do_select_version(RecordCB, ClientVersion, Versions); + false -> + %% Version ok for client - look for a higher + do_select_version(RecordCB, ClientVersion, Versions, Version) + end. +%% +do_select_version(_, _, [], GoodVersion) -> + GoodVersion; +do_select_version( + RecordCB, ClientVersion, [Version | Versions], GoodVersion) -> + BetterVersion = + case RecordCB:is_higher(Version, ClientVersion) of + true -> + %% Version too high for client + GoodVersion; + false -> + %% Version ok for client + case RecordCB:is_higher(Version, GoodVersion) of + true -> + %% Use higher version + Version; + false -> + GoodVersion + end + end, + do_select_version(RecordCB, ClientVersion, Versions, BetterVersion). renegotiation_info(_, client, _, false) -> #renegotiation_info{renegotiated_connection = undefined}; |