diff options
Diffstat (limited to 'lib/ssl/src')
-rw-r--r-- | lib/ssl/src/Makefile | 3 | ||||
-rw-r--r-- | lib/ssl/src/ssl.app.src | 1 | ||||
-rw-r--r-- | lib/ssl/src/ssl.erl | 114 | ||||
-rw-r--r-- | lib/ssl/src/ssl_alert.erl | 29 | ||||
-rw-r--r-- | lib/ssl/src/ssl_alert.hrl | 2 | ||||
-rw-r--r-- | lib/ssl/src/ssl_connection.erl | 2 | ||||
-rw-r--r-- | lib/ssl/src/ssl_dist_sup.erl | 16 | ||||
-rw-r--r-- | lib/ssl/src/ssl_internal.hrl | 17 | ||||
-rw-r--r-- | lib/ssl/src/ssl_listen_tracker_sup.erl | 71 | ||||
-rw-r--r-- | lib/ssl/src/ssl_socket.erl | 196 | ||||
-rw-r--r-- | lib/ssl/src/ssl_sup.erl | 19 | ||||
-rw-r--r-- | lib/ssl/src/tls_connection.erl | 22 | ||||
-rw-r--r-- | lib/ssl/src/tls_connection_sup.erl | 4 |
13 files changed, 403 insertions, 93 deletions
diff --git a/lib/ssl/src/Makefile b/lib/ssl/src/Makefile index 131b615277..7c4c8ec2cc 100644 --- a/lib/ssl/src/Makefile +++ b/lib/ssl/src/Makefile @@ -1,7 +1,7 @@ # # %CopyrightBegin% # -# Copyright Ericsson AB 1999-2013. All Rights Reserved. +# Copyright Ericsson AB 1999-2014. All Rights Reserved. # # The contents of this file are subject to the Erlang Public License, # Version 1.1, (the "License"); you may not use this file except in @@ -66,6 +66,7 @@ MODULES= \ ssl_session \ ssl_session_cache \ ssl_socket \ + ssl_listen_tracker_sup \ tls_record \ dtls_record \ ssl_record \ diff --git a/lib/ssl/src/ssl.app.src b/lib/ssl/src/ssl.app.src index 99839f6149..36681e2897 100644 --- a/lib/ssl/src/ssl.app.src +++ b/lib/ssl/src/ssl.app.src @@ -28,6 +28,7 @@ ssl_srp_primes, ssl_alert, ssl_socket, + ssl_listen_tracker_sup, %% Erlang Distribution over SSL/TLS inet_tls_dist, ssl_tls_dist_proxy, diff --git a/lib/ssl/src/ssl.erl b/lib/ssl/src/ssl.erl index 866312f332..234db21443 100644 --- a/lib/ssl/src/ssl.erl +++ b/lib/ssl/src/ssl.erl @@ -97,17 +97,17 @@ connect(Socket, SslOptions) when is_port(Socket) -> connect(Socket, SslOptions0, Timeout) when is_port(Socket) -> {Transport,_,_,_} = proplists:get_value(cb_info, SslOptions0, {gen_tcp, tcp, tcp_closed, tcp_error}), - EmulatedOptions = emulated_options(), + EmulatedOptions = ssl_socket:emulated_options(), {ok, SocketValues} = ssl_socket:getopts(Transport, Socket, EmulatedOptions), try handle_options(SslOptions0 ++ SocketValues, client) of {ok, #config{transport_info = CbInfo, ssl = SslOptions, emulated = EmOpts, connection_cb = ConnectionCb}} -> - ok = ssl_socket:setopts(Transport, Socket, internal_inet_values()), + ok = ssl_socket:setopts(Transport, Socket, ssl_socket:internal_inet_values()), case ssl_socket:peername(Transport, Socket) of {ok, {Address, Port}} -> ssl_connection:connect(ConnectionCb, Address, Port, Socket, - {SslOptions, EmOpts}, + {SslOptions, emulated_socket_options(EmOpts, #socket_options{})}, self(), CbInfo, Timeout); {error, Error} -> {error, Error} @@ -141,10 +141,13 @@ listen(Port, Options0) -> try {ok, Config} = handle_options(Options0, server), ConnectionCb = connection_cb(Options0), - #config{transport_info = {Transport, _, _, _}, inet_user = Options, connection_cb = ConnectionCb} = Config, + #config{transport_info = {Transport, _, _, _}, inet_user = Options, connection_cb = ConnectionCb, + ssl = SslOpts, emulated = EmOpts} = Config, case Transport:listen(Port, Options) of {ok, ListenSocket} -> - {ok, #sslsocket{pid = {ListenSocket, Config}}}; + ok = ssl_socket:setopts(Transport, ListenSocket, ssl_socket:internal_inet_values()), + {ok, Tracker} = ssl_socket:inherit_tracker(ListenSocket, EmOpts, SslOpts), + {ok, #sslsocket{pid = {ListenSocket, Config#config{emulated = Tracker}}}}; Err = {error, _} -> Err end @@ -164,21 +167,16 @@ transport_accept(ListenSocket) -> transport_accept(ListenSocket, infinity). transport_accept(#sslsocket{pid = {ListenSocket, - #config{transport_info = CbInfo, + #config{transport_info = {Transport,_,_, _} =CbInfo, connection_cb = ConnectionCb, - ssl = SslOpts}}}, Timeout) -> - %% The setopt could have been invoked on the listen socket - %% and options should be inherited. - EmOptions = emulated_options(), - {Transport,_,_, _} = CbInfo, - {ok, SocketValues} = ssl_socket:getopts(Transport, ListenSocket, EmOptions), - ok = ssl_socket:setopts(Transport, ListenSocket, internal_inet_values()), + ssl = SslOpts, + emulated = Tracker}}}, Timeout) -> case Transport:accept(ListenSocket, Timeout) of {ok, Socket} -> - ok = ssl_socket:setopts(Transport, ListenSocket, SocketValues), + {ok, EmOpts} = ssl_socket:get_emulated_opts(Tracker), {ok, Port} = ssl_socket:port(Transport, Socket), ConnArgs = [server, "localhost", Port, Socket, - {SslOpts, socket_options(SocketValues)}, self(), CbInfo], + {SslOpts, emulated_socket_options(EmOpts, #socket_options{})}, self(), CbInfo], ConnectionSup = connection_sup(ConnectionCb), case ConnectionSup:start_child(ConnArgs) of {ok, Pid} -> @@ -223,16 +221,16 @@ ssl_accept(#sslsocket{} = Socket, SslOptions, Timeout) -> ssl_accept(Socket, SslOptions, Timeout) when is_port(Socket) -> {Transport,_,_,_} = proplists:get_value(cb_info, SslOptions, {gen_tcp, tcp, tcp_closed, tcp_error}), - EmulatedOptions = emulated_options(), + EmulatedOptions = ssl_socket:emulated_options(), {ok, SocketValues} = ssl_socket:getopts(Transport, Socket, EmulatedOptions), ConnetionCb = connection_cb(SslOptions), try handle_options(SslOptions ++ SocketValues, server) of {ok, #config{transport_info = CbInfo, ssl = SslOpts, emulated = EmOpts}} -> - ok = ssl_socket:setopts(Transport, Socket, internal_inet_values()), + ok = ssl_socket:setopts(Transport, Socket, ssl_socket:internal_inet_values()), {ok, Port} = ssl_socket:port(Transport, Socket), ssl_connection:ssl_accept(ConnetionCb, Port, Socket, - {SslOpts, EmOpts}, - self(), CbInfo, Timeout) + {SslOpts, emulated_socket_options(EmOpts, #socket_options{})}, + self(), CbInfo, Timeout) catch Error = {error, _Reason} -> Error end. @@ -367,7 +365,7 @@ cipher_suites(all) -> %%-------------------------------------------------------------------- getopts(#sslsocket{pid = Pid}, OptionTags) when is_pid(Pid), is_list(OptionTags) -> ssl_connection:get_opts(Pid, OptionTags); -getopts(#sslsocket{pid = {ListenSocket, #config{transport_info = {Transport,_,_,_}}}}, +getopts(#sslsocket{pid = {_, #config{transport_info = {Transport,_,_,_}}}} = ListenSocket, OptionTags) when is_list(OptionTags) -> try ssl_socket:getopts(Transport, ListenSocket, OptionTags) of {ok, _} = Result -> @@ -375,8 +373,8 @@ getopts(#sslsocket{pid = {ListenSocket, #config{transport_info = {Transport,_,_ {error, InetError} -> {error, {options, {socket_options, OptionTags, InetError}}} catch - _:_ -> - {error, {options, {socket_options, OptionTags}}} + _:Error -> + {error, {options, {socket_options, OptionTags, Error}}} end; getopts(#sslsocket{}, OptionTags) -> {error, {options, {socket_options, OptionTags}}}. @@ -396,7 +394,7 @@ setopts(#sslsocket{pid = Pid}, Options0) when is_pid(Pid), is_list(Options0) -> {error, {options, {not_a_proplist, Options0}}} end; -setopts(#sslsocket{pid = {ListenSocket, #config{transport_info = {Transport,_,_,_}}}}, Options) when is_list(Options) -> +setopts(#sslsocket{pid = {_, #config{transport_info = {Transport,_,_,_}}}} = ListenSocket, Options) when is_list(Options) -> try ssl_socket:setopts(Transport, ListenSocket, Options) of ok -> ok; @@ -547,7 +545,8 @@ do_connect(Address, Port, {Transport, _, _, _} = CbInfo, try Transport:connect(Address, Port, SocketOpts, Timeout) of {ok, Socket} -> - ssl_connection:connect(ConnetionCb, Address, Port, Socket, {SslOpts,EmOpts}, + ssl_connection:connect(ConnetionCb, Address, Port, Socket, + {SslOpts, emulated_socket_options(EmOpts, #socket_options{})}, self(), CbInfo, Timeout); {error, Reason} -> {error, Reason} @@ -637,7 +636,8 @@ handle_options(Opts0, _Role) -> user_lookup_fun = handle_option(user_lookup_fun, Opts, undefined), psk_identity = handle_option(psk_identity, Opts, undefined), srp_identity = handle_option(srp_identity, Opts, undefined), - ciphers = handle_cipher_option(proplists:get_value(ciphers, Opts, []), hd(Versions)), + ciphers = handle_cipher_option(proplists:get_value(ciphers, Opts, []), + RecordCb:highest_protocol_version(Versions)), %% Server side option reuse_session = handle_option(reuse_session, Opts, ReuseSessionFun), reuse_sessions = handle_option(reuse_sessions, Opts, true), @@ -900,40 +900,24 @@ ca_cert_default(verify_peer, {Fun,_}, _) when is_function(Fun) -> %% some trusted certs. ca_cert_default(verify_peer, undefined, _) -> "". - -emulated_options() -> - [mode, packet, active, header, packet_size]. - -internal_inet_values() -> - [{packet_size,0},{packet, 0},{header, 0},{active, false},{mode,binary}]. - -socket_options(InetValues) -> - #socket_options{ - mode = proplists:get_value(mode, InetValues, lists), - header = proplists:get_value(header, InetValues, 0), - active = proplists:get_value(active, InetValues, active), - packet = proplists:get_value(packet, InetValues, 0), - packet_size = proplists:get_value(packet_size, InetValues) - }. - emulated_options(Opts) -> - emulated_options(Opts, internal_inet_values(), #socket_options{}). - -emulated_options([{mode,Opt}|Opts], Inet, Emulated) -> - validate_inet_option(mode,Opt), - emulated_options(Opts, Inet, Emulated#socket_options{mode=Opt}); -emulated_options([{header,Opt}|Opts], Inet, Emulated) -> - validate_inet_option(header,Opt), - emulated_options(Opts, Inet, Emulated#socket_options{header=Opt}); -emulated_options([{active,Opt}|Opts], Inet, Emulated) -> - validate_inet_option(active,Opt), - emulated_options(Opts, Inet, Emulated#socket_options{active=Opt}); -emulated_options([{packet,Opt}|Opts], Inet, Emulated) -> - validate_inet_option(packet,Opt), - emulated_options(Opts, Inet, Emulated#socket_options{packet=Opt}); -emulated_options([{packet_size,Opt}|Opts], Inet, Emulated) -> - validate_inet_option(packet_size,Opt), - emulated_options(Opts, Inet, Emulated#socket_options{packet_size=Opt}); + emulated_options(Opts, ssl_socket:internal_inet_values(), ssl_socket:default_inet_values()). + +emulated_options([{mode, Value} = Opt |Opts], Inet, Emulated) -> + validate_inet_option(mode, Value), + emulated_options(Opts, Inet, [Opt | proplists:delete(mode, Emulated)]); +emulated_options([{header, Value} = Opt | Opts], Inet, Emulated) -> + validate_inet_option(header, Value), + emulated_options(Opts, Inet, [Opt | proplists:delete(header, Emulated)]); +emulated_options([{active, Value} = Opt |Opts], Inet, Emulated) -> + validate_inet_option(active, Value), + emulated_options(Opts, Inet, [Opt | proplists:delete(active, Emulated)]); +emulated_options([{packet, Value} = Opt |Opts], Inet, Emulated) -> + validate_inet_option(packet, Value), + emulated_options(Opts, Inet, [Opt | proplists:delete(packet, Emulated)]); +emulated_options([{packet_size, Value} = Opt | Opts], Inet, Emulated) -> + validate_inet_option(packet_size, Value), + emulated_options(Opts, Inet, [Opt | proplists:delete(packet_size, Emulated)]); emulated_options([Opt|Opts], Inet, Emulated) -> emulated_options(Opts, [Opt|Inet], Emulated); emulated_options([], Inet,Emulated) -> @@ -1072,3 +1056,17 @@ assert_proplist([inet6 | Rest]) -> assert_proplist(Rest); assert_proplist([Value | _]) -> throw({option_not_a_key_value_tuple, Value}). + +emulated_socket_options(InetValues, #socket_options{ + mode = Mode, + header = Header, + active = Active, + packet = Packet, + packet_size = Size}) -> + #socket_options{ + mode = proplists:get_value(mode, InetValues, Mode), + header = proplists:get_value(header, InetValues, Header), + active = proplists:get_value(active, InetValues, Active), + packet = proplists:get_value(packet, InetValues, Packet), + packet_size = proplists:get_value(packet_size, InetValues, Size) + }. diff --git a/lib/ssl/src/ssl_alert.erl b/lib/ssl/src/ssl_alert.erl index db1535b5ec..78dc98bc25 100644 --- a/lib/ssl/src/ssl_alert.erl +++ b/lib/ssl/src/ssl_alert.erl @@ -31,7 +31,7 @@ -include("ssl_record.hrl"). -include("ssl_internal.hrl"). --export([encode/3, alert_txt/1, reason_code/2]). +-export([encode/3, decode/1, alert_txt/1, reason_code/2]). %%==================================================================== %% Internal application API @@ -41,12 +41,21 @@ -spec encode(#alert{}, ssl_record:ssl_version(), #connection_states{}) -> {iolist(), #connection_states{}}. %% -%% Description: +%% Description: Encodes an alert %%-------------------------------------------------------------------- encode(#alert{} = Alert, Version, ConnectionStates) -> ssl_record:encode_alert_record(Alert, Version, ConnectionStates). %%-------------------------------------------------------------------- +-spec decode(binary()) -> [#alert{}] | #alert{}. +%% +%% Description: Decode alert(s), will return a singel own alert if peer +%% sends garbage or too many warning alerts. +%%-------------------------------------------------------------------- +decode(Bin) -> + decode(Bin, [], 0). + +%%-------------------------------------------------------------------- -spec reason_code(#alert{}, client | server) -> closed | {essl, string()}. %% %% Description: Returns the error reason that will be returned to the @@ -71,6 +80,22 @@ alert_txt(#alert{level = Level, description = Description, where = {Mod,Line}}) %%-------------------------------------------------------------------- %%% Internal functions %%-------------------------------------------------------------------- + +%% It is very unlikely that an correct implementation will send more than one alert at the time +%% So it there is more than 10 warning alerts we consider it an error +decode(<<?BYTE(Level), ?BYTE(_), _/binary>>, _, N) when Level == ?WARNING, N > ?MAX_ALERTS -> + ?ALERT_REC(?FATAL, ?DECODE_ERROR); +decode(<<?BYTE(Level), ?BYTE(Description), Rest/binary>>, Acc, N) when Level == ?WARNING -> + Alert = ?ALERT_REC(Level, Description), + decode(Rest, [Alert | Acc], N + 1); +decode(<<?BYTE(Level), ?BYTE(Description), _Rest/binary>>, Acc, _) when Level == ?FATAL-> + Alert = ?ALERT_REC(Level, Description), + lists:reverse([Alert | Acc]); %% No need to decode rest fatal alert will end the connection +decode(<<?BYTE(_Level), _/binary>>, _, _) -> + ?ALERT_REC(?FATAL, ?ILLEGAL_PARAMETER); +decode(<<>>, Acc, _) -> + lists:reverse(Acc, []). + level_txt(?WARNING) -> "Warning:"; level_txt(?FATAL) -> diff --git a/lib/ssl/src/ssl_alert.hrl b/lib/ssl/src/ssl_alert.hrl index 2d1f323085..f4f1d74264 100644 --- a/lib/ssl/src/ssl_alert.hrl +++ b/lib/ssl/src/ssl_alert.hrl @@ -104,6 +104,8 @@ -define(ALERT_REC(Level,Desc), #alert{level=Level,description=Desc,where={?FILE, ?LINE}}). +-define(MAX_ALERTS, 10). + %% Alert -record(alert, { level, diff --git a/lib/ssl/src/ssl_connection.erl b/lib/ssl/src/ssl_connection.erl index 1eda926bcb..f681204de6 100644 --- a/lib/ssl/src/ssl_connection.erl +++ b/lib/ssl/src/ssl_connection.erl @@ -602,7 +602,7 @@ cipher(#finished{verify_data = Data} = Finished, cipher(#next_protocol{selected_protocol = SelectedProtocol}, #state{role = server, expecting_next_protocol_negotiation = true} = State0, Connection) -> {Record, State} = Connection:next_record(State0#state{next_protocol = SelectedProtocol}), - Connection:next_state(cipher, cipher, Record, State); + Connection:next_state(cipher, cipher, Record, State#state{expecting_next_protocol_negotiation = false}); cipher(timeout, State, _) -> {next_state, cipher, State, hibernate}; diff --git a/lib/ssl/src/ssl_dist_sup.erl b/lib/ssl/src/ssl_dist_sup.erl index 22614a2d34..58efeaf892 100644 --- a/lib/ssl/src/ssl_dist_sup.erl +++ b/lib/ssl/src/ssl_dist_sup.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2011-2013. All Rights Reserved. +%% Copyright Ericsson AB 2011-2014. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -45,9 +45,11 @@ start_link() -> init([]) -> SessionCertManager = session_and_cert_manager_child_spec(), ConnetionManager = connection_manager_child_spec(), + ListenOptionsTracker = listen_options_tracker_child_spec(), ProxyServer = proxy_server_child_spec(), - {ok, {{one_for_all, 10, 3600}, [SessionCertManager, ConnetionManager, + {ok, {{one_for_all, 10, 3600}, [SessionCertManager, ConnetionManager, + ListenOptionsTracker, ProxyServer]}}. %%-------------------------------------------------------------------- @@ -68,7 +70,7 @@ connection_manager_child_spec() -> StartFunc = {tls_connection_sup, start_link_dist, []}, Restart = permanent, Shutdown = 4000, - Modules = [ssl_connection], + Modules = [tls_connection_sup], Type = supervisor, {Name, StartFunc, Restart, Shutdown, Type, Modules}. @@ -81,3 +83,11 @@ proxy_server_child_spec() -> Type = worker, {Name, StartFunc, Restart, Shutdown, Type, Modules}. +listen_options_tracker_child_spec() -> + Name = ssl_socket_dist, + StartFunc = {ssl_listen_tracker_sup, start_link_dist, []}, + Restart = permanent, + Shutdown = 4000, + Modules = [ssl_socket], + Type = supervisor, + {Name, StartFunc, Restart, Shutdown, Type, Modules}. diff --git a/lib/ssl/src/ssl_internal.hrl b/lib/ssl/src/ssl_internal.hrl index 8bf5b30a83..fd0d87bd5f 100644 --- a/lib/ssl/src/ssl_internal.hrl +++ b/lib/ssl/src/ssl_internal.hrl @@ -116,14 +116,6 @@ honor_cipher_order = false }). --record(config, {ssl, %% SSL parameters - inet_user, %% User set inet options - emulated, %% #socket_option{} emulated - inet_ssl, %% inet options for internal ssl socket - transport_info, %% Callback info - connection_cb - }). - -record(socket_options, { mode = list, @@ -133,6 +125,15 @@ active = true }). +-record(config, {ssl, %% SSL parameters + inet_user, %% User set inet options + emulated, %% Emulated option list or "inherit_tracker" pid + inet_ssl, %% inet options for internal ssl socket + transport_info, %% Callback info + connection_cb + }). + + -type state_name() :: hello | abbreviated | certify | cipher | connection. -type gen_fsm_state_return() :: {next_state, state_name(), term()} | {next_state, state_name(), term(), timeout()} | diff --git a/lib/ssl/src/ssl_listen_tracker_sup.erl b/lib/ssl/src/ssl_listen_tracker_sup.erl new file mode 100644 index 0000000000..29f40e846d --- /dev/null +++ b/lib/ssl/src/ssl_listen_tracker_sup.erl @@ -0,0 +1,71 @@ +%% +%% %CopyrightBegin% +%% +%% Copyright Ericsson AB 2014-2014. All Rights Reserved. +%% +%% The contents of this file are subject to the Erlang Public License, +%% Version 1.1, (the "License"); you may not use this file except in +%% compliance with the License. You should have received a copy of the +%% Erlang Public License along with this software. If not, it can be +%% retrieved online at http://www.erlang.org/. +%% +%% Software distributed under the License is distributed on an "AS IS" +%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See +%% the License for the specific language governing rights and limitations +%% under the License. +%% +%% %CopyrightEnd% +%% + +%% +%%---------------------------------------------------------------------- +%% Purpose: Supervisor for a listen options tracker +%%---------------------------------------------------------------------- +-module(ssl_listen_tracker_sup). + +-behaviour(supervisor). + +%% API +-export([start_link/0, start_link_dist/0]). +-export([start_child/1, start_child_dist/1]). + +%% Supervisor callback +-export([init/1]). + +%%%========================================================================= +%%% API +%%%========================================================================= +start_link() -> + supervisor:start_link({local, tracker_name(normal)}, ?MODULE, []). + +start_link_dist() -> + supervisor:start_link({local, tracker_name(dist)}, ?MODULE, []). + +start_child(Args) -> + supervisor:start_child(tracker_name(normal), Args). + +start_child_dist(Args) -> + supervisor:start_child(tracker_name(dist), Args). + +%%%========================================================================= +%%% Supervisor callback +%%%========================================================================= +init(_O) -> + RestartStrategy = simple_one_for_one, + MaxR = 0, + MaxT = 3600, + + Name = undefined, % As simple_one_for_one is used. + StartFunc = {ssl_socket, start_link, []}, + Restart = temporary, % E.g. should not be restarted + Shutdown = 4000, + Modules = [ssl_socket], + Type = worker, + + ChildSpec = {Name, StartFunc, Restart, Shutdown, Type, Modules}, + {ok, {{RestartStrategy, MaxR, MaxT}, [ChildSpec]}}. + +tracker_name(normal) -> + ?MODULE; +tracker_name(dist) -> + list_to_atom(atom_to_list(?MODULE) ++ "dist"). diff --git a/lib/ssl/src/ssl_socket.erl b/lib/ssl/src/ssl_socket.erl index 1b6e637cd3..8532788ffd 100644 --- a/lib/ssl/src/ssl_socket.erl +++ b/lib/ssl/src/ssl_socket.erl @@ -1,20 +1,72 @@ +%% +%% %CopyrightBegin% +%% +%% Copyright Ericsson AB 1998-2014. All Rights Reserved. +%% +%% The contents of this file are subject to the Erlang Public License, +%% Version 1.1, (the "License"); you may not use this file except in +%% compliance with the License. You should have received a copy of the +%% Erlang Public License along with this software. If not, it can be +%% retrieved online at http://www.erlang.org/. +%% +%% Software distributed under the License is distributed on an "AS IS" +%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See +%% the License for the specific language governing rights and limitations +%% under the License. +%% +%% %CopyrightEnd% +%% -module(ssl_socket). +-behaviour(gen_server). + -include("ssl_internal.hrl"). -include("ssl_api.hrl"). -export([socket/4, setopts/3, getopts/3, peername/2, sockname/2, port/2]). +-export([emulated_options/0, internal_inet_values/0, default_inet_values/0, + init/1, start_link/2, terminate/2, inherit_tracker/3, get_emulated_opts/1, + set_emulated_opts/2, handle_call/3, handle_cast/2, + handle_info/2, code_change/3]). + +-record(state, { + emulated_opts, + port + }). +%%-------------------------------------------------------------------- +%%% Internal API +%%-------------------------------------------------------------------- socket(Pid, Transport, Socket, ConnectionCb) -> #sslsocket{pid = Pid, %% "The name "fd" is keept for backwards compatibility fd = {Transport, Socket, ConnectionCb}}. - +setopts(gen_tcp, #sslsocket{pid = {ListenSocket, #config{emulated = Tracker}}}, Options) -> + {SockOpts, EmulatedOpts} = split_options(Options), + ok = set_emulated_opts(Tracker, EmulatedOpts), + inet:setopts(ListenSocket, SockOpts); +setopts(_, #sslsocket{pid = {ListenSocket, #config{transport_info = {Transport,_,_,_}, + emulated = Tracker}}}, Options) -> + {SockOpts, EmulatedOpts} = split_options(Options), + ok = set_emulated_opts(Tracker, EmulatedOpts), + Transport:setopts(ListenSocket, SockOpts); +%%% Following clauses will not be called for emulated options, they are handled in the connection process setopts(gen_tcp, Socket, Options) -> inet:setopts(Socket, Options); setopts(Transport, Socket, Options) -> Transport:setopts(Socket, Options). +getopts(gen_tcp, #sslsocket{pid = {ListenSocket, #config{emulated = Tracker}}}, Options) -> + {SockOptNames, EmulatedOptNames} = split_options(Options), + EmulatedOpts = get_emulated_opts(Tracker, EmulatedOptNames), + SocketOpts = get_socket_opts(ListenSocket, SockOptNames, inet), + {ok, EmulatedOpts ++ SocketOpts}; +getopts(Transport, #sslsocket{pid = {ListenSocket, #config{emulated = Tracker}}}, Options) -> + {SockOptNames, EmulatedOptNames} = split_options(Options), + EmulatedOpts = get_emulated_opts(Tracker, EmulatedOptNames), + SocketOpts = get_socket_opts(ListenSocket, SockOptNames, Transport), + {ok, EmulatedOpts ++ SocketOpts}; +%%% Following clauses will not be called for emulated options, they are handled in the connection process getopts(gen_tcp, Socket, Options) -> inet:getopts(Socket, Options); getopts(Transport, Socket, Options) -> @@ -34,3 +86,145 @@ port(gen_tcp, Socket) -> inet:port(Socket); port(Transport, Socket) -> Transport:port(Socket). + +emulated_options() -> + [mode, packet, active, header, packet_size]. + +internal_inet_values() -> + [{packet_size,0}, {packet, 0}, {header, 0}, {active, false}, {mode,binary}]. + +default_inet_values() -> + [{packet_size, 0}, {packet,0}, {header, 0}, {active, true}, {mode, list}]. + +inherit_tracker(ListenSocket, EmOpts, #ssl_options{erl_dist = false}) -> + ssl_listen_tracker_sup:start_child([ListenSocket, EmOpts]); +inherit_tracker(ListenSocket, EmOpts, #ssl_options{erl_dist = true}) -> + ssl_listen_tracker_sup:start_child_dist([ListenSocket, EmOpts]). + +get_emulated_opts(TrackerPid, EmOptNames) -> + {ok, EmOpts} = get_emulated_opts(TrackerPid), + lists:map(fun(Name) -> {value, Value} = lists:keysearch(Name, 1, EmOpts), + Value end, + EmOptNames). + +get_emulated_opts(TrackerPid) -> + call(TrackerPid, get_emulated_opts). +set_emulated_opts(TrackerPid, InetValues) -> + call(TrackerPid, {set_emulated_opts, InetValues}). + +%%==================================================================== +%% ssl_listen_tracker_sup API +%%==================================================================== + +start_link(Port, SockOpts) -> + gen_server:start_link(?MODULE, [Port, SockOpts], []). + +%%-------------------------------------------------------------------- +-spec init(list()) -> {ok, #state{}}. +%% Possible return values not used now. +%% | {ok, #state{}, timeout()} | ignore | {stop, term()}. +%% +%% Description: Initiates the server +%%-------------------------------------------------------------------- +init([Port, Opts]) -> + process_flag(trap_exit, true), + true = link(Port), + {ok, #state{emulated_opts = Opts, port = Port}}. + +%%-------------------------------------------------------------------- +-spec handle_call(msg(), from(), #state{}) -> {reply, reply(), #state{}}. +%% Possible return values not used now. +%% {reply, reply(), #state{}, timeout()} | +%% {noreply, #state{}} | +%% {noreply, #state{}, timeout()} | +%% {stop, reason(), reply(), #state{}} | +%% {stop, reason(), #state{}}. +%% +%% Description: Handling call messages +%%-------------------------------------------------------------------- +handle_call({set_emulated_opts, Opts0}, _From, + #state{emulated_opts = Opts1} = State) -> + Opts = do_set_emulated_opts(Opts0, Opts1), + {reply, ok, State#state{emulated_opts = Opts}}; +handle_call(get_emulated_opts, _From, + #state{emulated_opts = Opts} = State) -> + {reply, {ok, Opts}, State}. + +%%-------------------------------------------------------------------- +-spec handle_cast(msg(), #state{}) -> {noreply, #state{}}. +%% Possible return values not used now. +%% | {noreply, #state{}, timeout()} | +%% {stop, reason(), #state{}}. +%% +%% Description: Handling cast messages +%%-------------------------------------------------------------------- +handle_cast(_, State)-> + {noreply, State}. + +%%-------------------------------------------------------------------- +-spec handle_info(msg(), #state{}) -> {stop, reason(), #state{}}. +%% Possible return values not used now. +%% {noreply, #state{}}. +%% |{noreply, #state{}, timeout()} | +%% +%% +%% Description: Handling all non call/cast messages +%%------------------------------------------------------------------- +handle_info({'EXIT', Port, _}, #state{port = Port} = State) -> + {stop, normal, State}. + + +%%-------------------------------------------------------------------- +-spec terminate(reason(), #state{}) -> ok. +%% +%% Description: This function is called by a gen_server when it is about to +%% terminate. It should be the opposite of Module:init/1 and do any necessary +%% cleaning up. When it returns, the gen_server terminates with Reason. +%% The return value is ignored. +%%-------------------------------------------------------------------- +terminate(_Reason, _State) -> + ok. + +%%-------------------------------------------------------------------- +-spec code_change(term(), #state{}, list()) -> {ok, #state{}}. +%% +%% Description: Convert process state when code is changed +%%-------------------------------------------------------------------- +code_change(_OldVsn, State, _Extra) -> + {ok, State}. + +%%-------------------------------------------------------------------- +%%% Internal functions +%%-------------------------------------------------------------------- +call(Pid, Msg) -> + gen_server:call(Pid, Msg, infinity). + +split_options(Opts) -> + split_options(Opts, emulated_options(), [], []). +split_options([], _, SocketOpts, EmuOpts) -> + {SocketOpts, EmuOpts}; +split_options([{Name, _} = Opt | Opts], Emu, SocketOpts, EmuOpts) -> + case lists:member(Name, Emu) of + true -> + split_options(Opts, Emu, SocketOpts, [Opt | EmuOpts]); + false -> + split_options(Opts, Emu, [Opt | SocketOpts], EmuOpts) + end; +split_options([Name | Opts], Emu, SocketOptNames, EmuOptNames) -> + case lists:member(Name, Emu) of + true -> + split_options(Opts, Emu, SocketOptNames, [Name | EmuOptNames]); + false -> + split_options(Opts, Emu, [Name | SocketOptNames], EmuOptNames) + end. + +do_set_emulated_opts([], Opts) -> + Opts; +do_set_emulated_opts([{Name,_} = Opt | Rest], Opts) -> + do_set_emulated_opts(Rest, [Opt | proplists:delete(Name, Opts)]). + +get_socket_opts(_, [], _) -> + []; +get_socket_opts(ListenSocket, SockOptNames, Cb) -> + {ok, Opts} = Cb:getopts(ListenSocket, SockOptNames), + Opts. diff --git a/lib/ssl/src/ssl_sup.erl b/lib/ssl/src/ssl_sup.erl index e1aeb11ca4..7cccf8d5a5 100644 --- a/lib/ssl/src/ssl_sup.erl +++ b/lib/ssl/src/ssl_sup.erl @@ -47,8 +47,10 @@ init([]) -> TLSConnetionManager = tls_connection_manager_child_spec(), %% Not supported yet %%DTLSConnetionManager = tls_connection_manager_child_spec(), - - {ok, {{one_for_all, 10, 3600}, [SessionCertManager, TLSConnetionManager]}}. + %% Handles emulated options so that they inherited by the accept socket, even when setopts is performed on + %% the listen socket + ListenOptionsTracker = listen_options_tracker_child_spec(), + {ok, {{one_for_all, 10, 3600}, [SessionCertManager, TLSConnetionManager, ListenOptionsTracker]}}. manager_opts() -> @@ -85,7 +87,7 @@ tls_connection_manager_child_spec() -> StartFunc = {tls_connection_sup, start_link, []}, Restart = permanent, Shutdown = 4000, - Modules = [tls_connection, ssl_connection], + Modules = [tls_connection_sup], Type = supervisor, {Name, StartFunc, Restart, Shutdown, Type, Modules}. @@ -98,6 +100,17 @@ tls_connection_manager_child_spec() -> %% Type = supervisor, %% {Name, StartFunc, Restart, Shutdown, Type, Modules}. + +listen_options_tracker_child_spec() -> + Name = ssl_socket, + StartFunc = {ssl_listen_tracker_sup, start_link, []}, + Restart = permanent, + Shutdown = 4000, + Modules = [ssl_socket], + Type = supervisor, + {Name, StartFunc, Restart, Shutdown, Type, Modules}. + + session_cb_init_args() -> case application:get_env(ssl, session_cb_init_args) of {ok, Args} when is_list(Args) -> diff --git a/lib/ssl/src/tls_connection.erl b/lib/ssl/src/tls_connection.erl index 930706cde6..32086ff6ce 100644 --- a/lib/ssl/src/tls_connection.erl +++ b/lib/ssl/src/tls_connection.erl @@ -362,20 +362,11 @@ encode_handshake(Handshake, Version, ConnectionStates0, Hist0) -> ssl_record:encode_handshake(Frag, Version, ConnectionStates0), {Encoded, ConnectionStates, Hist}. - encode_change_cipher(#change_cipher_spec{}, Version, ConnectionStates) -> ssl_record:encode_change_cipher_spec(Version, ConnectionStates). - - decode_alerts(Bin) -> - decode_alerts(Bin, []). - -decode_alerts(<<?BYTE(Level), ?BYTE(Description), Rest/binary>>, Acc) -> - A = ?ALERT_REC(Level, Description), - decode_alerts(Rest, [A | Acc]); -decode_alerts(<<>>, Acc) -> - lists:reverse(Acc, []). + ssl_alert:decode(Bin). initial_state(Role, Host, Port, Socket, {SSLOptions, SocketOptions}, User, {CbModule, DataTag, CloseTag, ErrorTag}) -> @@ -420,10 +411,13 @@ next_state(Current,_, #alert{} = Alert, #state{negotiated_version = Version} = S next_state(_,Next, no_record, State) -> {next_state, Next, State, get_timeout(State)}; -next_state(_,Next, #ssl_tls{type = ?ALERT, fragment = EncAlerts}, State) -> - Alerts = decode_alerts(EncAlerts), - handle_alerts(Alerts, {next_state, Next, State, get_timeout(State)}); - +next_state(Current, Next, #ssl_tls{type = ?ALERT, fragment = EncAlerts}, #state{negotiated_version = Version} = State) -> + case decode_alerts(EncAlerts) of + Alerts = [_|_] -> + handle_alerts(Alerts, {next_state, Next, State, get_timeout(State)}); + #alert{} = Alert -> + handle_own_alert(Alert, Version, Current, State) + end; next_state(Current, Next, #ssl_tls{type = ?HANDSHAKE, fragment = Data}, State0 = #state{protocol_buffers = #protocol_buffers{tls_handshake_buffer = Buf0} = Buffers, diff --git a/lib/ssl/src/tls_connection_sup.erl b/lib/ssl/src/tls_connection_sup.erl index 6f0d8a7262..7a637c212a 100644 --- a/lib/ssl/src/tls_connection_sup.erl +++ b/lib/ssl/src/tls_connection_sup.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2007-2013. All Rights Reserved. +%% Copyright Ericsson AB 2007-2014. All Rights Reserved. %% %% The contents of this file are subject to the Erlang Public License, %% Version 1.1, (the "License"); you may not use this file except in @@ -59,7 +59,7 @@ init(_O) -> StartFunc = {tls_connection, start_link, []}, Restart = temporary, % E.g. should not be restarted Shutdown = 4000, - Modules = [tls_connection], + Modules = [tls_connection, ssl_connection], Type = worker, ChildSpec = {Name, StartFunc, Restart, Shutdown, Type, Modules}, |