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-rw-r--r--lib/ssl/src/ssl.erl195
1 files changed, 154 insertions, 41 deletions
diff --git a/lib/ssl/src/ssl.erl b/lib/ssl/src/ssl.erl
index 69e8d868fa..771bfa5739 100644
--- a/lib/ssl/src/ssl.erl
+++ b/lib/ssl/src/ssl.erl
@@ -31,13 +31,15 @@
controlling_process/2, listen/2, pid/1, peername/1, peercert/1,
recv/2, recv/3, send/2, getopts/2, setopts/2, sockname/1,
versions/0, session_info/1, format_error/1,
- renegotiate/1, prf/5, clear_pem_cache/0, random_bytes/1]).
+ renegotiate/1, prf/5, clear_pem_cache/0, random_bytes/1, negotiated_next_protocol/1]).
+
-deprecated({pid, 1, next_major_release}).
-include("ssl_internal.hrl").
-include("ssl_record.hrl").
-include("ssl_cipher.hrl").
+-include("ssl_handshake.hrl").
-include_lib("public_key/include/public_key.hrl").
@@ -65,7 +67,9 @@
{keyfile, path()} | {password, string()} | {cacerts, [Der::binary()]} |
{cacertfile, path()} | {dh, Der::binary()} | {dhfile, path()} |
{ciphers, ciphers()} | {ssl_imp, ssl_imp()} | {reuse_sessions, boolean()} |
- {reuse_session, fun()} | {hibernate_after, integer()|undefined}.
+ {reuse_session, fun()} | {hibernate_after, integer()|undefined} |
+ {next_protocols_advertised, list(binary())} |
+ {client_preferred_next_protocols, binary(), client | server, list(binary())}.
-type verify_type() :: verify_none | verify_peer.
-type path() :: string().
@@ -161,7 +165,7 @@ listen(Port, Options0) ->
#config{cb={CbModule, _, _, _},inet_user=Options} = Config,
case CbModule:listen(Port, Options) of
{ok, ListenSocket} ->
- {ok, #sslsocket{pid = {ListenSocket, Config}, fd = new_ssl}};
+ {ok, #sslsocket{pid = {ListenSocket, Config}}};
Err = {error, _} ->
Err
end
@@ -241,18 +245,20 @@ ssl_accept(Socket, SslOptions, Timeout) when is_port(Socket) ->
%%
%% Description: Close an ssl connection
%%--------------------------------------------------------------------
+close(#sslsocket{pid = Pid}) when is_pid(Pid) ->
+ ssl_connection:close(Pid);
close(#sslsocket{pid = {ListenSocket, #config{cb={CbMod,_, _, _}}}}) ->
- CbMod:close(ListenSocket);
-close(#sslsocket{pid = Pid}) ->
- ssl_connection:close(Pid).
+ CbMod:close(ListenSocket).
%%--------------------------------------------------------------------
-spec send(#sslsocket{}, iodata()) -> ok | {error, reason()}.
%%
%% Description: Sends data over the ssl connection
%%--------------------------------------------------------------------
-send(#sslsocket{pid = Pid}, Data) ->
- ssl_connection:send(Pid, Data).
+send(#sslsocket{pid = Pid}, Data) when is_pid(Pid) ->
+ ssl_connection:send(Pid, Data);
+send(#sslsocket{pid = {ListenSocket, #config{cb={CbModule, _, _, _}}}}, Data) ->
+ CbModule:send(ListenSocket, Data). %% {error,enotconn}
%%--------------------------------------------------------------------
-spec recv(#sslsocket{}, integer()) -> {ok, binary()| list()} | {error, reason()}.
@@ -262,8 +268,10 @@ send(#sslsocket{pid = Pid}, Data) ->
%%--------------------------------------------------------------------
recv(Socket, Length) ->
recv(Socket, Length, infinity).
-recv(#sslsocket{pid = Pid, fd = new_ssl}, Length, Timeout) ->
- ssl_connection:recv(Pid, Length, Timeout).
+recv(#sslsocket{pid = Pid}, Length, Timeout) when is_pid(Pid) ->
+ ssl_connection:recv(Pid, Length, Timeout);
+recv(#sslsocket{pid = {Listen, #config{cb={CbModule, _, _, _}}}}, _,_) when is_port(Listen)->
+ CbModule:recv(Listen, 0). %% {error,enotconn}
%%--------------------------------------------------------------------
-spec controlling_process(#sslsocket{}, pid()) -> ok | {error, reason()}.
@@ -271,8 +279,12 @@ recv(#sslsocket{pid = Pid, fd = new_ssl}, Length, Timeout) ->
%% Description: Changes process that receives the messages when active = true
%% or once.
%%--------------------------------------------------------------------
-controlling_process(#sslsocket{pid = Pid}, NewOwner) when is_pid(Pid) ->
- ssl_connection:new_user(Pid, NewOwner).
+controlling_process(#sslsocket{pid = Pid}, NewOwner) when is_pid(Pid), is_pid(NewOwner) ->
+ ssl_connection:new_user(Pid, NewOwner);
+controlling_process(#sslsocket{pid = {Listen,
+ #config{cb={CbModule, _, _, _}}}}, NewOwner) when is_port(Listen),
+ is_pid(NewOwner) ->
+ CbModule:controlling_process(Listen, NewOwner).
%%--------------------------------------------------------------------
-spec connection_info(#sslsocket{}) -> {ok, {tls_atom_version(), erl_cipher_suite()}} |
@@ -280,29 +292,35 @@ controlling_process(#sslsocket{pid = Pid}, NewOwner) when is_pid(Pid) ->
%%
%% Description: Returns ssl protocol and cipher used for the connection
%%--------------------------------------------------------------------
-connection_info(#sslsocket{pid = Pid}) ->
- ssl_connection:info(Pid).
+connection_info(#sslsocket{pid = Pid}) when is_pid(Pid) ->
+ ssl_connection:info(Pid);
+connection_info(#sslsocket{pid = {Listen, _}}) when is_port(Listen) ->
+ {error, enotconn}.
%%--------------------------------------------------------------------
-spec peername(#sslsocket{}) -> {ok, {inet:ip_address(), inet:port_number()}} | {error, reason()}.
%%
%% Description: same as inet:peername/1.
%%--------------------------------------------------------------------
-peername(#sslsocket{pid = Pid}) ->
- ssl_connection:peername(Pid).
+peername(#sslsocket{pid = Pid, fd = Socket}) when is_pid(Pid)->
+ inet:peername(Socket);
+peername(#sslsocket{pid = {ListenSocket, _}}) ->
+ inet:peername(ListenSocket). %% Will return {error, enotconn}
%%--------------------------------------------------------------------
-spec peercert(#sslsocket{}) ->{ok, DerCert::binary()} | {error, reason()}.
%%
%% Description: Returns the peercert.
%%--------------------------------------------------------------------
-peercert(#sslsocket{pid = Pid}) ->
+peercert(#sslsocket{pid = Pid}) when is_pid(Pid) ->
case ssl_connection:peer_certificate(Pid) of
{ok, undefined} ->
{error, no_peercert};
Result ->
Result
- end.
+ end;
+peercert(#sslsocket{pid = {Listen, _}}) when is_port(Listen) ->
+ {error, enotconn}.
%%--------------------------------------------------------------------
-spec suite_definition(cipher_suite()) -> erl_cipher_suite().
@@ -314,6 +332,14 @@ suite_definition(S) ->
{KeyExchange, Cipher, Hash}.
%%--------------------------------------------------------------------
+-spec negotiated_next_protocol(#sslsocket{}) -> {ok, binary()} | {error, reason()}.
+%%
+%% Description: Returns the next protocol that has been negotiated. If no
+%% protocol has been negotiated will return {error, next_protocol_not_negotiated}
+%%--------------------------------------------------------------------
+negotiated_next_protocol(#sslsocket{pid = Pid}) ->
+ ssl_connection:negotiated_next_protocol(Pid).
+
-spec cipher_suites() -> [erl_cipher_suite()].
-spec cipher_suites(erlang | openssl) -> [erl_cipher_suite()] | [string()].
@@ -384,8 +410,9 @@ setopts(#sslsocket{}, Options) ->
%%
%% Description: Same as gen_tcp:shutdown/2
%%--------------------------------------------------------------------
-shutdown(#sslsocket{pid = {ListenSocket, #config{cb={CbMod,_, _, _}}}}, How) ->
- CbMod:shutdown(ListenSocket, How);
+shutdown(#sslsocket{pid = {Listen, #config{cb={CbMod,_, _, _}}}},
+ How) when is_port(Listen) ->
+ CbMod:shutdown(Listen, How);
shutdown(#sslsocket{pid = Pid}, How) ->
ssl_connection:shutdown(Pid, How).
@@ -394,11 +421,11 @@ shutdown(#sslsocket{pid = Pid}, How) ->
%%
%% Description: Same as inet:sockname/1
%%--------------------------------------------------------------------
-sockname(#sslsocket{pid = {ListenSocket, _}}) ->
- inet:sockname(ListenSocket);
+sockname(#sslsocket{pid = {Listen, _}}) when is_port(Listen) ->
+ inet:sockname(Listen);
-sockname(#sslsocket{pid = Pid}) ->
- ssl_connection:sockname(Pid).
+sockname(#sslsocket{pid = Pid, fd = Socket}) when is_pid(Pid) ->
+ inet:sockname(Socket).
%%---------------------------------------------------------------
-spec session_info(#sslsocket{}) -> {ok, list()} | {error, reason()}.
@@ -406,12 +433,14 @@ sockname(#sslsocket{pid = Pid}) ->
%% Description: Returns list of session info currently [{session_id, session_id(),
%% {cipher_suite, cipher_suite()}]
%%--------------------------------------------------------------------
-session_info(#sslsocket{pid = Pid, fd = new_ssl}) ->
- ssl_connection:session_info(Pid).
+session_info(#sslsocket{pid = Pid}) when is_pid(Pid) ->
+ ssl_connection:session_info(Pid);
+session_info(#sslsocket{pid = {Listen,_}}) when is_port(Listen) ->
+ {error, enotconn}.
%%---------------------------------------------------------------
-spec versions() -> [{ssl_app, string()} | {supported, [tls_atom_version()]} |
- {available, [tls_atom_version()]}].
+ {available, [tls_atom_version()]}].
%%
%% Description: Returns a list of relevant versions.
%%--------------------------------------------------------------------
@@ -427,8 +456,10 @@ versions() ->
%%
%% Description: Initiates a renegotiation.
%%--------------------------------------------------------------------
-renegotiate(#sslsocket{pid = Pid, fd = new_ssl}) ->
- ssl_connection:renegotiation(Pid).
+renegotiate(#sslsocket{pid = Pid}) when is_pid(Pid) ->
+ ssl_connection:renegotiation(Pid);
+renegotiate(#sslsocket{pid = {Listen,_}}) when is_port(Listen) ->
+ {error, enotconn}.
%%--------------------------------------------------------------------
-spec prf(#sslsocket{}, binary() | 'master_secret', binary(),
@@ -437,10 +468,11 @@ renegotiate(#sslsocket{pid = Pid, fd = new_ssl}) ->
%%
%% Description: use a ssl sessions TLS PRF to generate key material
%%--------------------------------------------------------------------
-prf(#sslsocket{pid = Pid, fd = new_ssl},
- Secret, Label, Seed, WantedLength) ->
- ssl_connection:prf(Pid, Secret, Label, Seed, WantedLength).
-
+prf(#sslsocket{pid = Pid},
+ Secret, Label, Seed, WantedLength) when is_pid(Pid) ->
+ ssl_connection:prf(Pid, Secret, Label, Seed, WantedLength);
+prf(#sslsocket{pid = {Listen,_}}, _,_,_,_) when is_port(Listen) ->
+ {error, enotconn}.
%%--------------------------------------------------------------------
-spec clear_pem_cache() -> ok.
@@ -594,7 +626,9 @@ handle_options(Opts0, _Role) ->
renegotiate_at = handle_option(renegotiate_at, Opts, ?DEFAULT_RENEGOTIATE_AT),
debug = handle_option(debug, Opts, []),
hibernate_after = handle_option(hibernate_after, Opts, undefined),
- erl_dist = handle_option(erl_dist, Opts, false)
+ erl_dist = handle_option(erl_dist, Opts, false),
+ next_protocols_advertised = handle_option(next_protocols_advertised, Opts, undefined),
+ next_protocol_selector = make_next_protocol_selector(handle_option(client_preferred_next_protocols, Opts, undefined))
},
CbInfo = proplists:get_value(cb_info, Opts, {gen_tcp, tcp, tcp_closed, tcp_error}),
@@ -603,7 +637,8 @@ handle_options(Opts0, _Role) ->
depth, cert, certfile, key, keyfile,
password, cacerts, cacertfile, dh, dhfile, ciphers,
debug, reuse_session, reuse_sessions, ssl_imp,
- cb_info, renegotiate_at, secure_renegotiate, hibernate_after, erl_dist],
+ cb_info, renegotiate_at, secure_renegotiate, hibernate_after, erl_dist, next_protocols_advertised,
+ client_preferred_next_protocols],
SockOpts = lists:foldl(fun(Key, PropList) ->
proplists:delete(Key, PropList)
@@ -728,12 +763,64 @@ validate_option(hibernate_after, undefined) ->
undefined;
validate_option(hibernate_after, Value) when is_integer(Value), Value >= 0 ->
Value;
-validate_option(erl_dist,Value) when Value == true;
+validate_option(erl_dist,Value) when Value == true;
Value == false ->
Value;
+validate_option(client_preferred_next_protocols = Opt, {Precedence, PreferredProtocols} = Value)
+ when is_list(PreferredProtocols) ->
+ case ssl_record:highest_protocol_version([]) of
+ {3,0} ->
+ throw({error, {eoptions, {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 ssl_record:highest_protocol_version([]) of
+ {3,0} ->
+ throw({error, {eoptions, {not_supported_in_sslv3, {Opt, Value}}}});
+ _ ->
+ validate_binary_list(client_preferred_next_protocols, PreferredProtocols),
+ validate_npn_ordering(Precedence),
+ Value
+ end;
+
+validate_option(client_preferred_next_protocols, undefined) ->
+ undefined;
+validate_option(next_protocols_advertised = Opt, Value) when is_list(Value) ->
+ case ssl_record:highest_protocol_version([]) of
+ {3,0} ->
+ throw({error, {eoptions, {not_supported_in_sslv3, {Opt, Value}}}});
+ _ ->
+ validate_binary_list(next_protocols_advertised, Value),
+ Value
+ end;
+
+validate_option(next_protocols_advertised, undefined) ->
+ undefined;
validate_option(Opt, Value) ->
throw({error, {eoptions, {Opt, Value}}}).
-
+
+validate_npn_ordering(client) ->
+ ok;
+validate_npn_ordering(server) ->
+ ok;
+validate_npn_ordering(Value) ->
+ throw({error, {eoptions, {client_preferred_next_protocols, {invalid_precedence, Value}}}}).
+
+validate_binary_list(Opt, List) ->
+ lists:foreach(
+ fun(Bin) when is_binary(Bin),
+ byte_size(Bin) > 0,
+ byte_size(Bin) < 256 ->
+ ok;
+ (Bin) ->
+ throw({error, {eoptions, {Opt, {invalid_protocol, Bin}}}})
+ end, List).
+
validate_versions([], Versions) ->
Versions;
validate_versions([Version | Rest], Versions) when Version == 'tlsv1.2';
@@ -839,6 +926,34 @@ cipher_suites(Version, Ciphers0) ->
no_format(Error) ->
lists:flatten(io_lib:format("No format string for error: \"~p\" available.", [Error])).
+
+detect(_Pred, []) ->
+ undefined;
+detect(Pred, [H|T]) ->
+ case Pred(H) of
+ true ->
+ H;
+ _ ->
+ detect(Pred, T)
+ end.
+
+make_next_protocol_selector(undefined) ->
+ undefined;
+make_next_protocol_selector({client, AllProtocols, DefaultProtocol}) ->
+ fun(AdvertisedProtocols) ->
+ case detect(fun(PreferredProtocol) -> lists:member(PreferredProtocol, AdvertisedProtocols) end, AllProtocols) of
+ undefined -> DefaultProtocol;
+ PreferredProtocol -> PreferredProtocol
+ end
+ end;
+
+make_next_protocol_selector({server, AllProtocols, DefaultProtocol}) ->
+ fun(AdvertisedProtocols) ->
+ case detect(fun(PreferredProtocol) -> lists:member(PreferredProtocol, AllProtocols) end, AdvertisedProtocols) of
+ undefined -> DefaultProtocol;
+ PreferredProtocol -> PreferredProtocol
+ end
+ end.
%% Only used to remove exit messages from old ssl
%% First is a nonsense clause to provide some
@@ -846,7 +961,5 @@ no_format(Error) ->
%% function in a none recommended way, but will
%% work correctly if a valid pid is returned.
%% Deprcated to be removed in r16
-pid(#sslsocket{fd = new_ssl}) ->
- whereis(ssl_connection_sup);
-pid(#sslsocket{pid = Pid}) ->
- Pid.
+pid(#sslsocket{})->
+ whereis(ssl_connection_sup).