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authorIngela Anderton Andin <[email protected]>2010-05-25 15:53:47 +0000
committerErlang/OTP <[email protected]>2010-05-25 15:53:47 +0000
commit21176859e014d77656306675e37a3593f21a5f95 (patch)
treee3f378bc8c64e179084593f01675a94728e5e05c /lib/ssl/src
parent8376bbfeab72843ef03b2e61e58b98debb582cc7 (diff)
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Enhanced protocol version handling.
Diffstat (limited to 'lib/ssl/src')
-rw-r--r--lib/ssl/src/ssl_record.erl21
1 files changed, 13 insertions, 8 deletions
diff --git a/lib/ssl/src/ssl_record.erl b/lib/ssl/src/ssl_record.erl
index c867848c31..43f18d95a0 100644
--- a/lib/ssl/src/ssl_record.erl
+++ b/lib/ssl/src/ssl_record.erl
@@ -411,16 +411,14 @@ protocol_version(tlsv1) ->
{3, 1};
protocol_version(sslv3) ->
{3, 0};
-protocol_version(sslv2) ->
+protocol_version(sslv2) -> %% Backwards compatibility
{2, 0};
protocol_version({3, 2}) ->
'tlsv1.1';
protocol_version({3, 1}) ->
tlsv1;
protocol_version({3, 0}) ->
- sslv3;
-protocol_version({2, 0}) ->
- sslv2.
+ sslv3.
%%--------------------------------------------------------------------
%% Function: protocol_version(Version1, Version2) -> #protocol_version{}
%% Version1 = Version2 = #protocol_version{}
@@ -468,7 +466,7 @@ highest_protocol_version(_, [Version | Rest]) ->
%%--------------------------------------------------------------------
supported_protocol_versions() ->
Fun = fun(Version) ->
- protocol_version(Version)
+ protocol_version(Version)
end,
case application:get_env(ssl, protocol_version) of
undefined ->
@@ -476,11 +474,18 @@ supported_protocol_versions() ->
{ok, []} ->
lists:map(Fun, ?DEFAULT_SUPPORTED_VERSIONS);
{ok, Vsns} when is_list(Vsns) ->
- lists:map(Fun, Vsns);
+ Versions = lists:filter(fun is_acceptable_version/1, lists:map(Fun, Vsns)),
+ supported_protocol_versions(Versions);
{ok, Vsn} ->
- [Fun(Vsn)]
+ Versions = lists:filter(fun is_acceptable_version/1, [Fun(Vsn)]),
+ supported_protocol_versions(Versions)
end.
+supported_protocol_versions([]) ->
+ ?DEFAULT_SUPPORTED_VERSIONS;
+supported_protocol_versions([_|_] = Vsns) ->
+ Vsns.
+
%%--------------------------------------------------------------------
%% Function: is_acceptable_version(Version) -> true | false
%% Version = #protocol_version{}
@@ -688,7 +693,7 @@ hash_and_bump_seqno(#connection_state{sequence_number = SeqNo,
check_hash(_, _) ->
ok. %% TODO check this
-mac_hash(?NULL, {_,_}, _MacSecret, _SeqNo, _Type,
+mac_hash({_,_}, ?NULL, _MacSecret, _SeqNo, _Type,
_Length, _Fragment) ->
<<>>;
mac_hash({3, 0}, MacAlg, MacSecret, SeqNo, Type, Length, Fragment) ->