aboutsummaryrefslogtreecommitdiffstats
path: root/lib/ssl/src
diff options
context:
space:
mode:
authorIngela Anderton Andin <[email protected]>2017-08-15 10:26:39 +0200
committerIngela Anderton Andin <[email protected]>2017-08-23 08:53:57 +0200
commit4947b5bebacb60b2a0670bc1cbae5c4eb67f1e8d (patch)
tree770fc376fea359f57dc45bf901d495140e2f708f /lib/ssl/src
parent6beee41654d80fcc2779ab6b51b5b141f592354d (diff)
downloadotp-4947b5bebacb60b2a0670bc1cbae5c4eb67f1e8d.tar.gz
otp-4947b5bebacb60b2a0670bc1cbae5c4eb67f1e8d.tar.bz2
otp-4947b5bebacb60b2a0670bc1cbae5c4eb67f1e8d.zip
ssl: Adjust ALPN and next protocol to work with DTLS
Diffstat (limited to 'lib/ssl/src')
-rw-r--r--lib/ssl/src/ssl.erl83
1 files changed, 43 insertions, 40 deletions
diff --git a/lib/ssl/src/ssl.erl b/lib/ssl/src/ssl.erl
index 801aa8f256..743d455141 100644
--- a/lib/ssl/src/ssl.erl
+++ b/lib/ssl/src/ssl.erl
@@ -713,6 +713,13 @@ handle_options(Opts0, Role, Host) ->
Protocol = handle_option(protocol, Opts, tls),
+ case Versions of
+ [{3, 0}] ->
+ reject_alpn_next_prot_options(Opts);
+ _ ->
+ ok
+ end,
+
SSLOptions = #ssl_options{
versions = Versions,
verify = validate_option(verify, Verify),
@@ -956,55 +963,32 @@ validate_option(hibernate_after, Value) when is_integer(Value), Value >= 0 ->
validate_option(erl_dist,Value) when is_boolean(Value) ->
Value;
-validate_option(Opt, Value)
- when Opt =:= alpn_advertised_protocols orelse Opt =:= alpn_preferred_protocols,
- is_list(Value) ->
- case tls_record:highest_protocol_version([]) of
- {3,0} ->
- throw({error, {options, {not_supported_in_sslv3, {Opt, Value}}}});
- _ ->
- validate_binary_list(Opt, Value),
- Value
- end;
+validate_option(Opt, Value) when Opt =:= alpn_advertised_protocols orelse Opt =:= alpn_preferred_protocols,
+ is_list(Value) ->
+ validate_binary_list(Opt, Value),
+ Value;
validate_option(Opt, Value)
when Opt =:= alpn_advertised_protocols orelse Opt =:= alpn_preferred_protocols,
Value =:= undefined ->
undefined;
-validate_option(client_preferred_next_protocols = Opt, {Precedence, PreferredProtocols} = Value)
+validate_option(client_preferred_next_protocols, {Precedence, PreferredProtocols})
when is_list(PreferredProtocols) ->
- case tls_record:highest_protocol_version([]) of
- {3,0} ->
- throw({error, {options, {not_supported_in_sslv3, {Opt, Value}}}});
- _ ->
- validate_binary_list(client_preferred_next_protocols, PreferredProtocols),
- validate_npn_ordering(Precedence),
- {Precedence, PreferredProtocols, ?NO_PROTOCOL}
- end;
-validate_option(client_preferred_next_protocols = Opt, {Precedence, PreferredProtocols, Default} = Value)
- when is_list(PreferredProtocols), is_binary(Default),
- byte_size(Default) > 0, byte_size(Default) < 256 ->
- case tls_record:highest_protocol_version([]) of
- {3,0} ->
- throw({error, {options, {not_supported_in_sslv3, {Opt, Value}}}});
- _ ->
- validate_binary_list(client_preferred_next_protocols, PreferredProtocols),
- validate_npn_ordering(Precedence),
- Value
- end;
-
+ validate_binary_list(client_preferred_next_protocols, PreferredProtocols),
+ validate_npn_ordering(Precedence),
+ {Precedence, PreferredProtocols, ?NO_PROTOCOL};
+validate_option(client_preferred_next_protocols, {Precedence, PreferredProtocols, Default} = Value)
+ when is_list(PreferredProtocols), is_binary(Default),
+ byte_size(Default) > 0, byte_size(Default) < 256 ->
+ validate_binary_list(client_preferred_next_protocols, PreferredProtocols),
+ validate_npn_ordering(Precedence),
+ Value;
validate_option(client_preferred_next_protocols, undefined) ->
undefined;
validate_option(log_alert, Value) when is_boolean(Value) ->
Value;
-validate_option(next_protocols_advertised = Opt, Value) when is_list(Value) ->
- case tls_record:highest_protocol_version([]) of
- {3,0} ->
- throw({error, {options, {not_supported_in_sslv3, {Opt, Value}}}});
- _ ->
- validate_binary_list(next_protocols_advertised, Value),
- Value
- end;
-
+validate_option(next_protocols_advertised, Value) when is_list(Value) ->
+ validate_binary_list(next_protocols_advertised, Value),
+ Value;
validate_option(next_protocols_advertised, undefined) ->
undefined;
validate_option(server_name_indication = Opt, Value) when is_list(Value) ->
@@ -1483,3 +1467,22 @@ server_name_indication_default(Host) when is_list(Host) ->
Host;
server_name_indication_default(_) ->
undefined.
+
+
+reject_alpn_next_prot_options(Opts) ->
+ AlpnNextOpts = [alpn_advertised_protocols,
+ alpn_preferred_protocols,
+ next_protocols_advertised,
+ next_protocol_selector,
+ client_preferred_next_protocols],
+ reject_alpn_next_prot_options(AlpnNextOpts, Opts).
+
+reject_alpn_next_prot_options([], _) ->
+ ok;
+reject_alpn_next_prot_options([Opt| AlpnNextOpts], Opts) ->
+ case lists:keyfind(Opt, 1, Opts) of
+ {Opt, Value} ->
+ throw({error, {options, {not_supported_in_sslv3, {Opt, Value}}}});
+ false ->
+ reject_alpn_next_prot_options(AlpnNextOpts, Opts)
+ end.