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-rw-r--r--lib/ssl/src/tls_handshake.erl57
1 files changed, 7 insertions, 50 deletions
diff --git a/lib/ssl/src/tls_handshake.erl b/lib/ssl/src/tls_handshake.erl
index 8817418fb0..f1eecb2875 100644
--- a/lib/ssl/src/tls_handshake.erl
+++ b/lib/ssl/src/tls_handshake.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2007-2017. All Rights Reserved.
+%% Copyright Ericsson AB 2007-2018. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@@ -39,7 +39,7 @@
-export([encode_handshake/2]).
%% Handshake decodeing
--export([get_tls_handshake/4, decode_handshake/4]).
+-export([get_tls_handshake/4, decode_handshake/3]).
-type tls_handshake() :: #client_hello{} | ssl_handshake:ssl_handshake().
@@ -268,9 +268,9 @@ enc_handshake(HandshakeMsg, Version) ->
%%--------------------------------------------------------------------
get_tls_handshake_aux(Version, <<?BYTE(Type), ?UINT24(Length),
Body:Length/binary,Rest/binary>>,
- #ssl_options{v2_hello_compatible = V2Hello} = Opts, Acc) ->
+ Opts, Acc) ->
Raw = <<?BYTE(Type), ?UINT24(Length), Body/binary>>,
- try decode_handshake(Version, Type, Body, V2Hello) of
+ try decode_handshake(Version, Type, Body) of
Handshake ->
get_tls_handshake_aux(Version, Rest, Opts, [{Handshake,Raw} | Acc])
catch
@@ -280,29 +280,15 @@ get_tls_handshake_aux(Version, <<?BYTE(Type), ?UINT24(Length),
get_tls_handshake_aux(_Version, Data, _, Acc) ->
{lists:reverse(Acc), Data}.
-decode_handshake(_, ?HELLO_REQUEST, <<>>, _) ->
+decode_handshake(_, ?HELLO_REQUEST, <<>>) ->
#hello_request{};
-
-decode_handshake(_Version, ?CLIENT_HELLO, Bin, true) ->
- try decode_hello(Bin) of
- Hello ->
- Hello
- catch
- _:_ ->
- decode_v2_hello(Bin)
- end;
-decode_handshake(_Version, ?CLIENT_HELLO, Bin, false) ->
- decode_hello(Bin);
-
decode_handshake(_Version, ?CLIENT_HELLO,
<<?BYTE(Major), ?BYTE(Minor), Random:32/binary,
?BYTE(SID_length), Session_ID:SID_length/binary,
?UINT16(Cs_length), CipherSuites:Cs_length/binary,
?BYTE(Cm_length), Comp_methods:Cm_length/binary,
- Extensions/binary>>, _) ->
-
+ Extensions/binary>>) ->
DecodedExtensions = ssl_handshake:decode_hello_extensions({client, Extensions}),
-
#client_hello{
client_version = {Major,Minor},
random = Random,
@@ -311,36 +297,7 @@ decode_handshake(_Version, ?CLIENT_HELLO,
compression_methods = Comp_methods,
extensions = DecodedExtensions
};
-decode_handshake(Version, Tag, Msg, _) ->
+decode_handshake(Version, Tag, Msg) ->
ssl_handshake:decode_handshake(Version, Tag, Msg).
-decode_hello(<<?BYTE(Major), ?BYTE(Minor), Random:32/binary,
- ?BYTE(SID_length), Session_ID:SID_length/binary,
- ?UINT16(Cs_length), CipherSuites:Cs_length/binary,
- ?BYTE(Cm_length), Comp_methods:Cm_length/binary,
- Extensions/binary>>) ->
- DecodedExtensions = ssl_handshake:decode_hello_extensions({client, Extensions}),
-
- #client_hello{
- client_version = {Major,Minor},
- random = Random,
- session_id = Session_ID,
- cipher_suites = ssl_handshake:decode_suites('2_bytes', CipherSuites),
- compression_methods = Comp_methods,
- extensions = DecodedExtensions
- }.
-%% The server must be able to receive such messages, from clients that
-%% are willing to use ssl v3 or higher, but have ssl v2 compatibility.
-decode_v2_hello(<<?BYTE(Major), ?BYTE(Minor),
- ?UINT16(CSLength), ?UINT16(0),
- ?UINT16(CDLength),
- CipherSuites:CSLength/binary,
- ChallengeData:CDLength/binary>>) ->
- #client_hello{client_version = {Major, Minor},
- random = ssl_v2:client_random(ChallengeData, CDLength),
- session_id = 0,
- cipher_suites = ssl_handshake:decode_suites('3_bytes', CipherSuites),
- compression_methods = [?NULL],
- extensions = #hello_extensions{}
- }.