From 3aadbfeab5eaf4b5c932c576b79d96247ae00aeb Mon Sep 17 00:00:00 2001 From: Ingela Anderton Andin Date: Fri, 23 Nov 2012 15:19:28 +0100 Subject: ssl: Consider new server options when resuming a session If an ssl server is restarted with new options and a client tries to reuse a session the server must make sure that it complies to the new options before agreeing to reuse it. --- lib/ssl/src/ssl_session.erl | 18 +++++++++++------- 1 file changed, 11 insertions(+), 7 deletions(-) (limited to 'lib/ssl') diff --git a/lib/ssl/src/ssl_session.erl b/lib/ssl/src/ssl_session.erl index 2ad422fc03..a24b2d9444 100644 --- a/lib/ssl/src/ssl_session.erl +++ b/lib/ssl/src/ssl_session.erl @@ -72,15 +72,12 @@ valid_session(#session{time_stamp = TimeStamp}, LifeTime) -> server_id(Port, <<>>, _SslOpts, _Cert, _, _) -> {ssl_manager:new_session_id(Port), undefined}; -server_id(Port, SuggestedId, - #ssl_options{reuse_sessions = ReuseEnabled, - reuse_session = ReuseFun}, - Cert, Cache, CacheCb) -> +server_id(Port, SuggestedId, Options, Cert, Cache, CacheCb) -> LifeTime = case application:get_env(ssl, session_lifetime) of {ok, Time} when is_integer(Time) -> Time; _ -> ?'24H_in_sec' end, - case is_resumable(SuggestedId, Port, ReuseEnabled,ReuseFun, + case is_resumable(SuggestedId, Port, Options, Cache, CacheCb, LifeTime, Cert) of {true, Resumed} -> @@ -112,9 +109,9 @@ select_session(Sessions, #ssl_options{ciphers = Ciphers}, OwnCert) -> [[Id, _]|_] -> Id end. -is_resumable(_, _, false, _, _, _, _, _) -> +is_resumable(_, _, #ssl_options{reuse_sessions = false}, _, _, _, _) -> {false, undefined}; -is_resumable(SuggestedSessionId, Port, true, ReuseFun, Cache, +is_resumable(SuggestedSessionId, Port, #ssl_options{reuse_session = ReuseFun} = Options, Cache, CacheCb, SecondLifeTime, OwnCert) -> case CacheCb:lookup(Cache, {Port, SuggestedSessionId}) of #session{cipher_suite = CipherSuite, @@ -125,6 +122,7 @@ is_resumable(SuggestedSessionId, Port, true, ReuseFun, Cache, case resumable(IsResumable) andalso (OwnCert == SessionOwnCert) andalso valid_session(Session, SecondLifeTime) + andalso reusable_options(Options, Session) andalso ReuseFun(SuggestedSessionId, PeerCert, Compression, CipherSuite) of @@ -139,3 +137,9 @@ resumable(new) -> false; resumable(IsResumable) -> IsResumable. + +reusable_options(#ssl_options{fail_if_no_peer_cert = true, + verify = verify_peer}, Session) -> + (Session#session.peer_certificate =/= undefined); +reusable_options(_,_) -> + true. -- cgit v1.2.3