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authorPéter Dimitrov <[email protected]>2019-01-08 16:27:02 +0100
committerPéter Dimitrov <[email protected]>2019-01-08 16:27:02 +0100
commit225220030d58272e5e53290abcd93de860a1ebc8 (patch)
tree6bb72ac571d0ca9aa0071b43dff8ac2edc3166a6 /lib/ssl
parent92e8629ab97fe86c8a635e83db73c572331c1158 (diff)
parent754685293582e9998e23c7cd6010941ce690eae7 (diff)
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Merge branch 'peterdmv/ssl/fix-srp-encode-decode/ERL-790/OTP-15477' into maint
* peterdmv/ssl/fix-srp-encode-decode/ERL-790/OTP-15477: ssl: Fix encoding/decoding of the SRP extension Change-Id: Iee3276a60041a2c04c89385b2de2edb1cd81babd
Diffstat (limited to 'lib/ssl')
-rw-r--r--lib/ssl/src/ssl_handshake.erl4
-rw-r--r--lib/ssl/test/ssl_handshake_SUITE.erl29
2 files changed, 30 insertions, 3 deletions
diff --git a/lib/ssl/src/ssl_handshake.erl b/lib/ssl/src/ssl_handshake.erl
index a50580e1ea..3da42eb8ac 100644
--- a/lib/ssl/src/ssl_handshake.erl
+++ b/lib/ssl/src/ssl_handshake.erl
@@ -610,7 +610,7 @@ encode_hello_extensions([#ec_point_formats{ec_point_format_list = ECPointFormats
?UINT16(Len), ?BYTE(ListLen), ECPointFormatList/binary, Acc/binary>>);
encode_hello_extensions([#srp{username = UserName} | Rest], Acc) ->
SRPLen = byte_size(UserName),
- Len = SRPLen + 2,
+ Len = SRPLen + 1,
encode_hello_extensions(Rest, <<?UINT16(?SRP_EXT), ?UINT16(Len), ?BYTE(SRPLen),
UserName/binary, Acc/binary>>);
encode_hello_extensions([#hash_sign_algos{hash_sign_algos = HashSignAlgos} | Rest], Acc) ->
@@ -1933,7 +1933,7 @@ dec_hello_extensions(<<?UINT16(?RENEGOTIATION_EXT), ?UINT16(Len), Info:Len/binar
RenegotiateInfo}});
dec_hello_extensions(<<?UINT16(?SRP_EXT), ?UINT16(Len), ?BYTE(SRPLen), SRP:SRPLen/binary, Rest/binary>>, Acc)
- when Len == SRPLen + 2 ->
+ when Len == SRPLen + 1 ->
dec_hello_extensions(Rest, Acc#hello_extensions{srp = #srp{username = SRP}});
dec_hello_extensions(<<?UINT16(?SIGNATURE_ALGORITHMS_EXT), ?UINT16(Len),
diff --git a/lib/ssl/test/ssl_handshake_SUITE.erl b/lib/ssl/test/ssl_handshake_SUITE.erl
index b8b9989d30..1fa6029963 100644
--- a/lib/ssl/test/ssl_handshake_SUITE.erl
+++ b/lib/ssl/test/ssl_handshake_SUITE.erl
@@ -25,6 +25,7 @@
-compile(export_all).
-include_lib("common_test/include/ct.hrl").
+-include("ssl_handshake.hrl").
-include("ssl_internal.hrl").
-include("tls_handshake.hrl").
-include_lib("public_key/include/public_key.hrl").
@@ -41,7 +42,8 @@ all() -> [decode_hello_handshake,
decode_empty_server_sni_correctly,
select_proper_tls_1_2_rsa_default_hashsign,
ignore_hassign_extension_pre_tls_1_2,
- unorded_chain].
+ unorded_chain,
+ encode_decode_srp].
%%--------------------------------------------------------------------
init_per_suite(Config) ->
@@ -192,6 +194,31 @@ unorded_chain(Config) when is_list(Config) ->
{ok, _, OrderedChain} =
ssl_certificate:certificate_chain(PeerCert, ets:new(foo, []), ExtractedCerts, UnordedChain).
+encode_decode_srp(_Config) ->
+ Exts = #hello_extensions{
+ srp = #srp{username = <<"foo">>},
+ sni = #sni{hostname = "bar"},
+ renegotiation_info = undefined,
+ signature_algs = undefined,
+ alpn = undefined,
+ next_protocol_negotiation = undefined,
+ ec_point_formats = undefined,
+ elliptic_curves = undefined
+ },
+ EncodedExts = <<0,20, % Length
+ 0,0, % SNI extension
+ 0,8, % Length
+ 0,6, % ServerNameLength
+ 0, % NameType (host_name)
+ 0,3, % HostNameLength
+ 98,97,114, % hostname = "bar"
+ 0,12, % SRP extension
+ 0,4, % Length
+ 3, % srp_I length
+ 102,111,111>>, % username = "foo"
+ EncodedExts = ssl_handshake:encode_hello_extensions(Exts),
+ Exts = ssl_handshake:decode_hello_extensions({client, EncodedExts}).
+
%%--------------------------------------------------------------------
%% Internal functions ------------------------------------------------