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-rw-r--r--lib/ssl/doc/src/ssl.xml133
-rw-r--r--lib/ssl/src/dtls_connection.erl62
-rw-r--r--lib/ssl/src/ssl.erl35
-rw-r--r--lib/ssl/src/ssl_connection.erl110
-rw-r--r--lib/ssl/src/ssl_connection.hrl13
-rw-r--r--lib/ssl/src/ssl_handshake.erl25
-rw-r--r--lib/ssl/src/ssl_internal.hrl3
-rw-r--r--lib/ssl/src/tls_connection.erl24
-rw-r--r--lib/ssl/test/ssl_basic_SUITE.erl83
-rw-r--r--lib/ssl/test/ssl_test_lib.erl101
10 files changed, 508 insertions, 81 deletions
diff --git a/lib/ssl/doc/src/ssl.xml b/lib/ssl/doc/src/ssl.xml
index 8c1b1541c7..029f29cdb3 100644
--- a/lib/ssl/doc/src/ssl.xml
+++ b/lib/ssl/doc/src/ssl.xml
@@ -197,6 +197,18 @@
| sect193r1 | sect193r2 | secp192k1 | secp192r1 | sect163k1
| sect163r1 | sect163r2 | secp160k1 | secp160r1 | secp160r2</c></p></item>
+ <tag><c>hello_extensions() =</c></tag>
+ <item><p><c>#{renegotiation_info =>
+ signature_algs => [{hash(), ecsda| rsa| dsa}] | undefined
+ alpn => binary() | undefined,
+ next_protocol_negotiation,
+ srp => string() | undefined,
+ ec_point_formats ,
+ elliptic_curves = [oid] | undefined
+ sni = string()}
+ }</c></p></item>
+
+
</taglist>
</section>
@@ -211,8 +223,16 @@
<tag><c>{protocol, tls | dtls}</c></tag>
<item><p>Choose TLS or DTLS protocol for the transport layer security.
Defaults to <c>tls</c> Introduced in OTP 20, DTLS support is considered
- experimental in this release. DTLS over other transports than UDP are not yet supported.</p></item>
-
+ experimental in this release. Other transports than UDP are not yet supported.</p></item>
+
+ <tag><c>{handshake, hello | full}</c></tag>
+ <item><p> Defaults to <c>full</c>. If hello is specified the handshake will
+ pause after the hello message and give the user a possibility make decisions
+ based on hello extensions before continuing or aborting the handshake by calling
+ <seealso marker="#handshake_continue-3"> handshake_continue/3</seealso> or
+ <seealso marker="#handshake_cancel-1"> handshake_cancel/1</seealso>
+ </p></item>
+
<tag><c>{cert, public_key:der_encoded()}</c></tag>
<item><p>The DER-encoded users certificate. If this option
is supplied, it overrides option <c>certfile</c>.</p></item>
@@ -919,15 +939,16 @@ fun(srp, Username :: string(), UserState :: term()) ->
<func>
<name>connect(Socket, SslOptions) -> </name>
- <name>connect(Socket, SslOptions, Timeout) -> {ok, TLSSocket}
+ <name>connect(Socket, SslOptions, Timeout) -> {ok, TLSSocket} | {ok, TLSSocket, Ext}
| {error, Reason}</name>
<fsummary>Upgrades a <c>gen_tcp</c>, or
equivalent, connected socket to an TLS socket.</fsummary>
<type>
<v>Socket = socket()</v>
- <v>SslOptions = [ssl_option()]</v>
+ <v>SslOptions = [{handshake, hello| full} | ssl_option()]</v>
<v>Timeout = integer() | infinity</v>
<v>TLSSocket = sslsocket()</v>
+ <v>Ext = hello_extensions()</v>
<v>Reason = term()</v>
</type>
<desc><p>Upgrades a <c>gen_tcp</c>, or equivalent,
@@ -938,14 +959,25 @@ fun(srp, Username :: string(), UserState :: term()) ->
the option <c>server_name_indication</c> shall also be specified,
if it is not no Server Name Indication extension will be sent,
and <seealso marker="public_key:public_key#pkix_verify_hostname-2">public_key:pkix_verify_hostname/2</seealso>
- will be called with the IP-address of the connection as <c>ReferenceID</c>, which is proably not what you want.</p></note>
+ will be called with the IP-address of the connection as <c>ReferenceID</c>, which is proably not what you want.</p>
+ </note>
+
+ <p> If the option <c>{handshake, hello}</c> is used the
+ handshake is paused after receiving the server hello message
+ and the success response is <c>{ok, TLSSocket, Ext}</c>
+ instead of <c>{ok, TLSSocket}</c>. Thereafter the handshake is continued or
+ canceled by calling <seealso marker="#handshake_continue-3">
+ <c>handshake_continue/3</c></seealso> or <seealso
+ marker="#handshake_cancel-1"><c>handshake_cancel/1</c></seealso>.
+ </p>
+
</desc>
</func>
<func>
<name>connect(Host, Port, Options) -></name>
<name>connect(Host, Port, Options, Timeout) ->
- {ok, SslSocket} | {error, Reason}</name>
+ {ok, SslSocket}| {ok, TLSSocket, Ext} | {error, Reason}</name>
<fsummary>Opens an TLS/DTLS connection to <c>Host</c>, <c>Port</c>.</fsummary>
<type>
<v>Host = host()</v>
@@ -972,6 +1004,16 @@ fun(srp, Username :: string(), UserState :: term()) ->
<c>dns_id</c> will be assumed with a fallback to <c>ip</c> if that fails. </p>
<note><p>According to good practices certificates should not use IP-addresses as "server names". It would
be very surprising if this happen outside a closed network. </p></note>
+
+
+ <p> If the option <c>{handshake, hello}</c> is used the
+ handshake is paused after receiving the server hello message
+ and the success response is <c>{ok, TLSSocket, Ext}</c>
+ instead of <c>{ok, TLSSocket}</c>. Thereafter the handshake is continued or
+ canceled by calling <seealso marker="#handshake_continue-3">
+ <c>handshake_continue/3</c></seealso> or <seealso
+ marker="#handshake_cancel-1"><c>handshake_cancel/1</c></seealso>.
+ </p>
</desc>
</func>
@@ -1113,6 +1155,85 @@ fun(srp, Username :: string(), UserState :: term()) ->
</func>
<func>
+ <name>handshake(Socket) -> </name>
+ <name>handshake(Socket, Timeout) -> {ok, Socket} | {error, Reason}</name>
+ <fsummary>Performs server-side SSL/TLS handshake.</fsummary>
+ <type>
+ <v>Socket = sslsocket()</v>
+ <v>Timeout = integer()</v>
+ <v>Reason = term()</v>
+ </type>
+ <desc>
+ <p>Performs the SSL/TLS/DTLS server-side handshake.</p>
+ <p><c>Socket</c> is a socket as returned by
+ <seealso marker="#transport_accept-2">ssl:transport_accept/[1,2]</seealso>.
+ </p>
+ </desc>
+ </func>
+
+ <func>
+ <name>handshake(Socket, SslOptions) -> </name>
+ <name>handshake(Socket, SslOptions, Timeout) -> {ok, Socket} | {ok, Socket, Ext} | {error, Reason}</name>
+ <fsummary>Performs server-side SSL/TLS/DTLS handshake.</fsummary>
+ <type>
+ <v>Socket = socket() | sslsocket() </v>
+ <v>Ext = hello_extensions()</v>
+ <v>SslOptions = [{handshake, hello| full} | ssl_option()]</v>
+ <v>Timeout = integer()</v>
+ <v>Reason = term()</v>
+ </type>
+ <desc>
+ <p>If <c>Socket</c> is a ordinary <c>socket()</c>: upgrades a <c>gen_tcp</c>,
+ or equivalent, socket to an SSL socket, that is, performs
+ the SSL/TLS server-side handshake and returns the SSL socket.</p>
+
+ <warning><p>The Socket shall be in passive mode ({active,
+ false}) before calling this function or the handshake can fail
+ due to a race condition.</p></warning>
+
+ <p>If <c>Socket</c> is an <c>sslsocket()</c>: provides extra SSL/TLS/DTLS
+ options to those specified in
+ <seealso marker="#listen-2">ssl:listen/2 </seealso> and then performs
+ the SSL/TLS/DTLS handshake.</p>
+
+ <p>
+ If option <c>{handshake, hello}</c> is specified the handshake is
+ paused after receiving the client hello message and the
+ sucess response is <c>{ok, TLSSocket, Ext}</c> instead of <c>{ok,
+ TLSSocket}</c>. Thereafter the handshake is continued or
+ canceled by calling <seealso marker="#handshake_continue-3">
+ <c>handshake_continue/3</c></seealso> or <seealso
+ marker="#handshake_cancel-1"><c>handshake_cancel/1</c></seealso>.
+ </p>
+ </desc>
+ </func>
+
+ <func>
+ <name>handshake_cancel(Socket) -> ok </name>
+ <fsummary>Cancel handshake with a fatal alert</fsummary>
+ <type>
+ <v>Socket = sslsocket()</v>
+ </type>
+ <desc>
+ <p>Cancel the handshake with a fatal <c>USER_CANCELED</c> alert.</p>
+ </desc>
+ </func>
+
+ <func>
+ <name>handshake_continue(Socket, SSLOptions, Timeout) -> {ok, Socket} | {error, Reason}</name>
+ <fsummary>Continue the SSL/TLS handshake.</fsummary>
+ <type>
+ <v>Socket = sslsocket()</v>
+ <v>SslOptions = [ssl_option()]</v>
+ <v>Timeout = integer()</v>
+ <v>Reason = term()</v>
+ </type>
+ <desc>
+ <p>Continue the SSL/TLS handshake possiby with new, additional or changed options.</p>
+ </desc>
+ </func>
+
+ <func>
<name>listen(Port, Options) ->
{ok, ListenSocket} | {error, Reason}</name>
<fsummary>Creates an SSL listen socket.</fsummary>
diff --git a/lib/ssl/src/dtls_connection.erl b/lib/ssl/src/dtls_connection.erl
index 59548fa61e..220da71123 100644
--- a/lib/ssl/src/dtls_connection.erl
+++ b/lib/ssl/src/dtls_connection.erl
@@ -55,7 +55,7 @@
%% gen_statem state functions
-export([init/3, error/3, downgrade/3, %% Initiation and take down states
- hello/3, certify/3, cipher/3, abbreviated/3, %% Handshake states
+ hello/3, user_hello/3, certify/3, cipher/3, abbreviated/3, %% Handshake states
connection/3]).
%% gen_statem callbacks
-export([callback_mode/0, terminate/3, code_change/4, format_status/2]).
@@ -491,10 +491,11 @@ hello(enter, _, #state{role = client} = State0) ->
{State, Actions} = handle_flight_timer(State0),
{keep_state, State, Actions};
hello(internal, #client_hello{cookie = <<>>,
- client_version = Version} = Hello, #state{role = server,
- transport_cb = Transport,
- socket = Socket,
- protocol_specific = #{current_cookie_secret := Secret}} = State0) ->
+ client_version = Version} = Hello,
+ #state{role = server,
+ transport_cb = Transport,
+ socket = Socket,
+ protocol_specific = #{current_cookie_secret := Secret}} = State0) ->
{ok, {IP, Port}} = dtls_socket:peername(Transport, Socket),
Cookie = dtls_handshake:cookie(Secret, IP, Port, Hello),
%% FROM RFC 6347 regarding HelloVerifyRequest message:
@@ -508,24 +509,6 @@ hello(internal, #client_hello{cookie = <<>>,
{State2, Actions} = send_handshake(VerifyRequest, State1),
{Record, State} = next_record(State2),
next_event(?FUNCTION_NAME, Record, State#state{tls_handshake_history = ssl_handshake:init_handshake_history()}, Actions);
-hello(internal, #client_hello{cookie = Cookie} = Hello, #state{role = server,
- transport_cb = Transport,
- socket = Socket,
- protocol_specific = #{current_cookie_secret := Secret,
- previous_cookie_secret := PSecret}} = State0) ->
- {ok, {IP, Port}} = dtls_socket:peername(Transport, Socket),
- case dtls_handshake:cookie(Secret, IP, Port, Hello) of
- Cookie ->
- handle_client_hello(Hello, State0);
- _ ->
- case dtls_handshake:cookie(PSecret, IP, Port, Hello) of
- Cookie ->
- handle_client_hello(Hello, State0);
- _ ->
- %% Handle bad cookie as new cookie request RFC 6347 4.1.2
- hello(internal, Hello#client_hello{cookie = <<>>}, State0)
- end
- end;
hello(internal, #hello_verify_request{cookie = Cookie}, #state{role = client,
host = Host, port = Port,
ssl_options = SslOpts,
@@ -550,6 +533,34 @@ hello(internal, #hello_verify_request{cookie = Cookie}, #state{role = client,
Hello#client_hello.session_id}},
{Record, State} = next_record(State3),
next_event(?FUNCTION_NAME, Record, State, Actions);
+hello(internal, #client_hello{extensions = Extensions} = Hello, #state{ssl_options = #ssl_options{handshake = hello},
+ start_or_recv_from = From} = State) ->
+ {next_state, user_hello, State#state{start_or_recv_from = undefined,
+ hello = Hello},
+ [{reply, From, {ok, ssl_connection:map_extensions(Extensions)}}]};
+hello(internal, #server_hello{extensions = Extensions} = Hello, #state{ssl_options = #ssl_options{handshake = hello},
+ start_or_recv_from = From} = State) ->
+ {next_state, user_hello, State#state{start_or_recv_from = undefined,
+ hello = Hello},
+ [{reply, From, {ok, ssl_connection:map_extensions(Extensions)}}]};
+hello(internal, #client_hello{cookie = Cookie} = Hello, #state{role = server,
+ transport_cb = Transport,
+ socket = Socket,
+ protocol_specific = #{current_cookie_secret := Secret,
+ previous_cookie_secret := PSecret}} = State0) ->
+ {ok, {IP, Port}} = dtls_socket:peername(Transport, Socket),
+ case dtls_handshake:cookie(Secret, IP, Port, Hello) of
+ Cookie ->
+ handle_client_hello(Hello, State0);
+ _ ->
+ case dtls_handshake:cookie(PSecret, IP, Port, Hello) of
+ Cookie ->
+ handle_client_hello(Hello, State0);
+ _ ->
+ %% Handle bad cookie as new cookie request RFC 6347 4.1.2
+ hello(internal, Hello#client_hello{cookie = <<>>}, State0)
+ end
+ end;
hello(internal, #server_hello{} = Hello,
#state{connection_states = ConnectionStates0,
negotiated_version = ReqVersion,
@@ -576,6 +587,11 @@ hello(state_timeout, Event, State) ->
hello(Type, Event, State) ->
gen_handshake(?FUNCTION_NAME, Type, Event, State).
+user_hello(enter, _, State) ->
+ {keep_state, State};
+user_hello(Type, Event, State) ->
+ gen_handshake(?FUNCTION_NAME, Type, Event, State).
+
%%--------------------------------------------------------------------
-spec abbreviated(gen_statem:event_type(), term(), #state{}) ->
gen_statem:state_function_result().
diff --git a/lib/ssl/src/ssl.erl b/lib/ssl/src/ssl.erl
index 9796324605..5b6d92ebf4 100644
--- a/lib/ssl/src/ssl.erl
+++ b/lib/ssl/src/ssl.erl
@@ -33,6 +33,7 @@
-export([connect/3, connect/2, connect/4,
listen/2, transport_accept/1, transport_accept/2,
handshake/1, handshake/2, handshake/3,
+ handshake_continue/3, handshake_cancel/1,
ssl_accept/1, ssl_accept/2, ssl_accept/3,
controlling_process/2, peername/1, peercert/1, sockname/1,
close/1, close/2, shutdown/2, recv/2, recv/3, send/2,
@@ -46,7 +47,7 @@
format_error/1, renegotiate/1, prf/5, negotiated_protocol/1,
connection_information/1, connection_information/2]).
%% Misc
--export([handle_options/2, tls_version/1]).
+-export([handle_options/2, tls_version/1, new_ssl_options/3]).
-include("ssl_api.hrl").
-include("ssl_internal.hrl").
@@ -194,7 +195,7 @@ ssl_accept(Socket, SslOptions, Timeout) ->
Error
end.
%%--------------------------------------------------------------------
--spec handshake(#sslsocket{}) -> ok | {error, reason()}.
+-spec handshake(#sslsocket{}) -> {ok, #sslsocket{}} | {error, reason()}.
-spec handshake(#sslsocket{} | port(), timeout()| [ssl_option()
| transport_option()]) ->
{ok, #sslsocket{}} | {error, reason()}.
@@ -254,6 +255,24 @@ handshake(Socket, SslOptions, Timeout) when is_port(Socket),
catch
Error = {error, _Reason} -> Error
end.
+
+%%--------------------------------------------------------------------
+-spec handshake_continue(#sslsocket{}, [ssl_option()], timeout()) ->
+ {ok, #sslsocket{}} | {error, reason()}.
+%%
+%%
+%% Description: Continues the handshke possible with newly supplied options.
+%%--------------------------------------------------------------------
+handshake_continue(Socket, SSLOptions, Timeout) ->
+ ssl_connection:handshake_continue(Socket, SSLOptions, Timeout).
+%%--------------------------------------------------------------------
+-spec handshake_cancel(#sslsocket{}) -> term().
+%%
+%% Description: Cancels the handshakes sending a close alert.
+%%--------------------------------------------------------------------
+handshake_cancel(Socket) ->
+ ssl_connection:handshake_cancel(Socket).
+
%%--------------------------------------------------------------------
-spec close(#sslsocket{}) -> term().
%%
@@ -917,7 +936,8 @@ handle_options(Opts0, Role, Host) ->
client, Role),
crl_check = handle_option(crl_check, Opts, false),
crl_cache = handle_option(crl_cache, Opts, {ssl_crl_cache, {internal, []}}),
- max_handshake_size = handle_option(max_handshake_size, Opts, ?DEFAULT_MAX_HANDSHAKE_SIZE)
+ max_handshake_size = handle_option(max_handshake_size, Opts, ?DEFAULT_MAX_HANDSHAKE_SIZE),
+ handshake = handle_option(handshake, Opts, full)
},
CbInfo = proplists:get_value(cb_info, Opts, default_cb_info(Protocol)),
@@ -933,8 +953,7 @@ handle_options(Opts0, Role, Host) ->
client_preferred_next_protocols, log_alert,
server_name_indication, honor_cipher_order, padding_check, crl_check, crl_cache,
fallback, signature_algs, eccs, honor_ecc_order, beast_mitigation,
- max_handshake_size],
-
+ max_handshake_size, handshake],
SockOpts = lists:foldl(fun(Key, PropList) ->
proplists:delete(Key, PropList)
end, Opts, SslOptions),
@@ -946,8 +965,6 @@ handle_options(Opts0, Role, Host) ->
inet_user = Sock, transport_info = CbInfo, connection_cb = ConnetionCb
}}.
-
-
handle_option(OptionName, Opts, Default, Role, Role) ->
handle_option(OptionName, Opts, Default);
handle_option(_, _, undefined = Value, _, _) ->
@@ -1175,6 +1192,10 @@ validate_option(protocol, Value = tls) ->
Value;
validate_option(protocol, Value = dtls) ->
Value;
+validate_option(handshake, hello = Value) ->
+ Value;
+validate_option(handshake, full = Value) ->
+ Value;
validate_option(Opt, Value) ->
throw({error, {options, {Opt, Value}}}).
diff --git a/lib/ssl/src/ssl_connection.erl b/lib/ssl/src/ssl_connection.erl
index 6b3a403f0e..f816979b9f 100644
--- a/lib/ssl/src/ssl_connection.erl
+++ b/lib/ssl/src/ssl_connection.erl
@@ -38,7 +38,7 @@
%% Setup
--export([connect/8, handshake/7, handshake/2, handshake/3, hello/3,
+-export([connect/8, handshake/7, handshake/2, handshake/3,
handshake_continue/3, handshake_cancel/1,
socket_control/4, socket_control/5, start_or_recv_cancel_timer/2]).
@@ -59,11 +59,11 @@
%% Help functions for tls|dtls_connection.erl
-export([handle_session/7, ssl_config/3,
- prepare_connection/2, hibernate_after/3]).
+ prepare_connection/2, hibernate_after/3, map_extensions/1]).
%% General gen_statem state functions with extra callback argument
%% to determine if it is an SSL/TLS or DTLS gen_statem machine
--export([init/4, error/4, hello/4, abbreviated/4, certify/4, cipher/4,
+-export([init/4, error/4, hello/4, user_hello/4, abbreviated/4, certify/4, cipher/4,
connection/4, death_row/4, downgrade/4]).
%% gen_statem callbacks
@@ -113,7 +113,8 @@ handshake(Connection, Port, Socket, Opts, User, CbInfo, Timeout) ->
end.
%%--------------------------------------------------------------------
--spec handshake(#sslsocket{}, timeout()) -> {ok, #sslsocket{}} | {error, reason()}.
+-spec handshake(#sslsocket{}, timeout()) -> {ok, #sslsocket{}} |
+ {ok, #sslsocket{}, map()}| {error, reason()}.
%%
%% Description: Starts ssl handshake.
%%--------------------------------------------------------------------
@@ -121,6 +122,8 @@ handshake(#sslsocket{pid = Pid} = Socket, Timeout) ->
case call(Pid, {start, Timeout}) of
connected ->
{ok, Socket};
+ {ok, Ext} ->
+ {ok, Socket, Ext};
Error ->
Error
end.
@@ -139,6 +142,31 @@ handshake(#sslsocket{pid = Pid} = Socket, SslOptions, Timeout) ->
Error
end.
+%%--------------------------------------------------------------------
+-spec handshake_continue(#sslsocket{}, [ssl_option()],
+ timeout()) -> {ok, #sslsocket{}}| {error, reason()}.
+%%
+%% Description: Continues handshake with new options
+%%--------------------------------------------------------------------
+handshake_continue(#sslsocket{pid = Pid} = Socket, SslOptions, Timeout) ->
+ case call(Pid, {handshake_continue, SslOptions, Timeout}) of
+ connected ->
+ {ok, Socket};
+ Error ->
+ Error
+ end.
+%%--------------------------------------------------------------------
+-spec handshake_cancel(#sslsocket{}) -> ok | {error, reason()}.
+%%
+%% Description: Cancels connection
+%%--------------------------------------------------------------------
+handshake_cancel(#sslsocket{pid = Pid}) ->
+ case call(Pid, cancel) of
+ closed ->
+ ok;
+ Error ->
+ Error
+ end.
%--------------------------------------------------------------------
-spec socket_control(tls_connection | dtls_connection, port(), pid(), atom()) ->
{ok, #sslsocket{}} | {error, reason()}.
@@ -529,6 +557,9 @@ handle_session(#server_hello{cipher_suite = CipherSuite,
-spec ssl_config(#ssl_options{}, client | server, #state{}) -> #state{}.
%%--------------------------------------------------------------------
ssl_config(Opts, Role, State) ->
+ ssl_config(Opts, Role, State, new).
+
+ssl_config(Opts, Role, State0, Type) ->
{ok, #{cert_db_ref := Ref,
cert_db_handle := CertDbHandle,
fileref_db_handle := FileRefHandle,
@@ -538,20 +569,26 @@ ssl_config(Opts, Role, State) ->
dh_params := DHParams,
own_certificate := OwnCert}} =
ssl_config:init(Opts, Role),
- Handshake = ssl_handshake:init_handshake_history(),
TimeStamp = erlang:monotonic_time(),
- Session = State#state.session,
- State#state{tls_handshake_history = Handshake,
- session = Session#session{own_certificate = OwnCert,
- time_stamp = TimeStamp},
- file_ref_db = FileRefHandle,
- cert_db_ref = Ref,
- cert_db = CertDbHandle,
- crl_db = CRLDbHandle,
- session_cache = CacheHandle,
- private_key = Key,
- diffie_hellman_params = DHParams,
- ssl_options = Opts}.
+ Session = State0#state.session,
+ State = State0#state{session = Session#session{own_certificate = OwnCert,
+ time_stamp = TimeStamp},
+ file_ref_db = FileRefHandle,
+ cert_db_ref = Ref,
+ cert_db = CertDbHandle,
+ crl_db = CRLDbHandle,
+ session_cache = CacheHandle,
+ private_key = Key,
+ diffie_hellman_params = DHParams,
+ ssl_options = Opts},
+ case Type of
+ new ->
+ Handshake = ssl_handshake:init_handshake_history(),
+ State#state{tls_handshake_history = Handshake};
+ continue ->
+ State
+ end.
+
%%====================================================================
%% gen_statem general state functions with connection cb argument
@@ -581,7 +618,8 @@ init({call, From}, {start, {Opts, EmOpts}, Timeout},
end,
State = ssl_config(SslOpts, Role, State0),
init({call, From}, {start, Timeout},
- State#state{ssl_options = SslOpts, socket_options = new_emulated(EmOpts, SockOpts)}, Connection)
+ State#state{ssl_options = SslOpts,
+ socket_options = new_emulated(EmOpts, SockOpts)}, Connection)
catch throw:Error ->
stop_and_reply(normal, {reply, From, {error, Error}}, State0)
end;
@@ -614,6 +652,23 @@ hello(info, Msg, State, _) ->
hello(Type, Msg, State, Connection) ->
handle_common_event(Type, Msg, ?FUNCTION_NAME, State, Connection).
+user_hello({call, From}, cancel, #state{negotiated_version = Version} = State, _) ->
+ gen_statem:reply(From, ok),
+ handle_own_alert(?ALERT_REC(?FATAL, ?USER_CANCELED, user_canceled),
+ Version, ?FUNCTION_NAME, State);
+user_hello({call, From}, {handshake_continue, NewOptions, Timeout}, #state{hello = Hello,
+ role = Role,
+ start_or_recv_from = RecvFrom,
+ ssl_options = Options0} = State0, _Connection) ->
+ Timer = start_or_recv_cancel_timer(Timeout, RecvFrom),
+ Options = ssl:handle_options(NewOptions, Options0#ssl_options{handshake = full}),
+ State = ssl_config(Options, Role, State0, continue),
+ {next_state, hello, State#state{start_or_recv_from = From,
+ timer = Timer},
+ [{next_event, internal, Hello}]};
+user_hello(_, _, _, _) ->
+ {keep_state_and_data, [postpone]}.
+
%%--------------------------------------------------------------------
-spec abbreviated(gen_statem:event_type(),
#hello_request{} | #finished{} | term(),
@@ -2287,7 +2342,24 @@ hibernate_after(connection = StateName,
{next_state, StateName, State, [{timeout, HibernateAfter, hibernate} | Actions]};
hibernate_after(StateName, State, Actions) ->
{next_state, StateName, State, Actions}.
-
+
+map_extensions(#hello_extensions{renegotiation_info = RenegotiationInfo,
+ signature_algs = SigAlg,
+ alpn = Alpn,
+ next_protocol_negotiation = Next,
+ srp = SRP,
+ ec_point_formats = ECPointFmt,
+ elliptic_curves = ECCCurves,
+ sni = SNI}) ->
+ #{renegotiation_info => ssl_handshake:extension_value(RenegotiationInfo),
+ signature_algs => ssl_handshake:extension_value(SigAlg),
+ alpn => ssl_handshake:extension_value(Alpn),
+ srp => ssl_handshake:extension_value(SRP),
+ next_protocol => ssl_handshake:extension_value(Next),
+ ec_point_formats => ssl_handshake:extension_value(ECPointFmt),
+ elliptic_curves => ssl_handshake:extension_value(ECCCurves),
+ sni => ssl_handshake:extension_value(SNI)}.
+
terminate_alert(normal, Version, ConnectionStates, Connection) ->
Connection:encode_alert(?ALERT_REC(?WARNING, ?CLOSE_NOTIFY),
Version, ConnectionStates);
diff --git a/lib/ssl/src/ssl_connection.hrl b/lib/ssl/src/ssl_connection.hrl
index f9d2149170..d315c393b4 100644
--- a/lib/ssl/src/ssl_connection.hrl
+++ b/lib/ssl/src/ssl_connection.hrl
@@ -77,7 +77,8 @@
renegotiation :: undefined | {boolean(), From::term() | internal | peer},
start_or_recv_from :: term(),
timer :: undefined | reference(), % start_or_recive_timer
- %%send_queue :: queue:queue(),
+ %%send_queue :: queue:queue(),
+ hello, %%:: #client_hello{} | #server_hello{},
terminated = false ::boolean(),
allow_renegotiate = true ::boolean(),
expecting_next_protocol_negotiation = false ::boolean(),
@@ -88,11 +89,11 @@
sni_hostname = undefined,
downgrade,
flight_buffer = [] :: list() | map(), %% Buffer of TLS/DTLS records, used during the TLS handshake
- %% to when possible pack more than on TLS record into the
- %% underlaying packet format. Introduced by DTLS - RFC 4347.
- %% The mecahnism is also usefull in TLS although we do not
- %% need to worry about packet loss in TLS. In DTLS we need to track DTLS handshake seqnr
- flight_state = reliable, %% reliable | {retransmit, integer()}| {waiting, ref(), integer()} - last two is used in DTLS over udp.
+ %% to when possible pack more than one TLS record into the
+ %% underlaying packet format. Introduced by DTLS - RFC 4347.
+ %% The mecahnism is also usefull in TLS although we do not
+ %% need to worry about packet loss in TLS. In DTLS we need to track DTLS handshake seqnr
+ flight_state = reliable, %% reliable | {retransmit, integer()}| {waiting, ref(), integer()} - last two is used in DTLS over udp.
protocol_specific = #{} :: map()
}).
-define(DEFAULT_DIFFIE_HELLMAN_PARAMS,
diff --git a/lib/ssl/src/ssl_handshake.erl b/lib/ssl/src/ssl_handshake.erl
index e1f813ea95..54eb920bda 100644
--- a/lib/ssl/src/ssl_handshake.erl
+++ b/lib/ssl/src/ssl_handshake.erl
@@ -53,7 +53,7 @@
-export([certify/7, certificate_verify/6, verify_signature/5,
master_secret/4, server_key_exchange_hash/2, verify_connection/6,
init_handshake_history/0, update_handshake_history/2, verify_server_key/5,
- select_version/3
+ select_version/3, extension_value/1
]).
%% Encode
@@ -139,8 +139,8 @@ certificate(OwnCert, CertDbHandle, CertDbRef, server) ->
case ssl_certificate:certificate_chain(OwnCert, CertDbHandle, CertDbRef) of
{ok, _, Chain} ->
#certificate{asn1_certificates = Chain};
- {error, _} ->
- ?ALERT_REC(?FATAL, ?INTERNAL_ERROR, server_has_no_suitable_certificates)
+ {error, Error} ->
+ ?ALERT_REC(?FATAL, ?INTERNAL_ERROR, {server_has_no_suitable_certificates, Error})
end.
%%--------------------------------------------------------------------
@@ -1166,6 +1166,25 @@ srp_user(#ssl_options{srp_identity = {UserName, _}}) ->
srp_user(_) ->
undefined.
+extension_value(undefined) ->
+ undefined;
+extension_value(#sni{hostname = HostName}) ->
+ HostName;
+extension_value(#ec_point_formats{ec_point_format_list = List}) ->
+ List;
+extension_value(#elliptic_curves{elliptic_curve_list = List}) ->
+ List;
+extension_value(#hash_sign_algos{hash_sign_algos = Algos}) ->
+ Algos;
+extension_value(#alpn{extension_data = Data}) ->
+ Data;
+extension_value(#next_protocol_negotiation{extension_data = Data}) ->
+ Data;
+extension_value(#srp{username = Name}) ->
+ Name;
+extension_value(#renegotiation_info{renegotiated_connection = Data}) ->
+ Data.
+
%%--------------------------------------------------------------------
%%% Internal functions
%%--------------------------------------------------------------------
diff --git a/lib/ssl/src/ssl_internal.hrl b/lib/ssl/src/ssl_internal.hrl
index d354910f33..5df00de0e5 100644
--- a/lib/ssl/src/ssl_internal.hrl
+++ b/lib/ssl/src/ssl_internal.hrl
@@ -144,7 +144,8 @@
signature_algs,
eccs,
honor_ecc_order :: boolean(),
- max_handshake_size :: integer()
+ max_handshake_size :: integer(),
+ handshake
}).
-record(socket_options,
diff --git a/lib/ssl/src/tls_connection.erl b/lib/ssl/src/tls_connection.erl
index 754eab63e0..ef84c5320e 100644
--- a/lib/ssl/src/tls_connection.erl
+++ b/lib/ssl/src/tls_connection.erl
@@ -62,7 +62,7 @@
%% gen_statem state functions
-export([init/3, error/3, downgrade/3, %% Initiation and take down states
- hello/3, certify/3, cipher/3, abbreviated/3, %% Handshake states
+ hello/3, user_hello/3, certify/3, cipher/3, abbreviated/3, %% Handshake states
connection/3, death_row/3]).
%% gen_statem callbacks
-export([callback_mode/0, terminate/3, code_change/4, format_status/2]).
@@ -80,7 +80,7 @@ start_fsm(Role, Host, Port, Socket, {#ssl_options{erl_dist = false},_, Tracker}
{ok, Pid} = tls_connection_sup:start_child([Role, Host, Port, Socket,
Opts, User, CbInfo]),
{ok, SslSocket} = ssl_connection:socket_control(?MODULE, Socket, Pid, CbModule, Tracker),
- ssl_connection:handshake(SslSocket, Timeout)
+ ssl_connection:handshake(SslSocket, Timeout)
catch
error:{badmatch, {error, _} = Error} ->
Error
@@ -93,7 +93,7 @@ start_fsm(Role, Host, Port, Socket, {#ssl_options{erl_dist = true},_, Tracker} =
{ok, Pid} = tls_connection_sup:start_child_dist([Role, Host, Port, Socket,
Opts, User, CbInfo]),
{ok, SslSocket} = ssl_connection:socket_control(?MODULE, Socket, Pid, CbModule, Tracker),
- ssl_connection:handshake(SslSocket, Timeout)
+ ssl_connection:handshake(SslSocket, Timeout)
catch
error:{badmatch, {error, _} = Error} ->
Error
@@ -452,6 +452,16 @@ error(_, _, _) ->
#state{}) ->
gen_statem:state_function_result().
%%--------------------------------------------------------------------
+hello(internal, #client_hello{extensions = Extensions} = Hello, #state{ssl_options = #ssl_options{handshake = hello},
+ start_or_recv_from = From} = State) ->
+ {next_state, user_hello, State#state{start_or_recv_from = undefined,
+ hello = Hello},
+ [{reply, From, {ok, ssl_connection:map_extensions(Extensions)}}]};
+hello(internal, #server_hello{extensions = Extensions} = Hello, #state{ssl_options = #ssl_options{handshake = hello},
+ start_or_recv_from = From} = State) ->
+ {next_state, user_hello, State#state{start_or_recv_from = undefined,
+ hello = Hello},
+ [{reply, From, {ok, ssl_connection:map_extensions(Extensions)}}]};
hello(internal, #client_hello{client_version = ClientVersion} = Hello,
#state{connection_states = ConnectionStates0,
port = Port, session = #session{own_certificate = Cert} = Session0,
@@ -461,7 +471,6 @@ hello(internal, #client_hello{client_version = ClientVersion} = Hello,
negotiated_protocol = CurrentProtocol,
key_algorithm = KeyExAlg,
ssl_options = SslOpts} = State) ->
-
case tls_handshake:hello(Hello, SslOpts, {Port, Session0, Cache, CacheCb,
ConnectionStates0, Cert, KeyExAlg}, Renegotiation) of
#alert{} = Alert ->
@@ -480,7 +489,7 @@ hello(internal, #client_hello{client_version = ClientVersion} = Hello,
session = Session,
negotiated_protocol = Protocol})
end;
-hello(internal, #server_hello{} = Hello,
+hello(internal, #server_hello{} = Hello,
#state{connection_states = ConnectionStates0,
negotiated_version = ReqVersion,
role = client,
@@ -498,6 +507,9 @@ hello(info, Event, State) ->
hello(Type, Event, State) ->
gen_handshake(?FUNCTION_NAME, Type, Event, State).
+user_hello(Type, Event, State) ->
+ gen_handshake(?FUNCTION_NAME, Type, Event, State).
+
%%--------------------------------------------------------------------
-spec abbreviated(gen_statem:event_type(), term(), #state{}) ->
gen_statem:state_function_result().
@@ -744,7 +756,7 @@ gen_handshake(StateName, Type, Event,
malformed_handshake_data),
Version, StateName, State)
end.
-
+
gen_info(Event, connection = StateName, #state{negotiated_version = Version} = State) ->
try handle_info(Event, StateName, State) of
Result ->
diff --git a/lib/ssl/test/ssl_basic_SUITE.erl b/lib/ssl/test/ssl_basic_SUITE.erl
index 0e910d0393..fe4f02f100 100644
--- a/lib/ssl/test/ssl_basic_SUITE.erl
+++ b/lib/ssl/test/ssl_basic_SUITE.erl
@@ -164,7 +164,10 @@ api_tests() ->
accept_pool,
prf,
socket_options,
- cipher_suites
+ cipher_suites,
+ handshake_continue,
+ hello_client_cancel,
+ hello_server_cancel
].
api_tests_tls() ->
@@ -630,6 +633,84 @@ new_options_in_accept(Config) when is_list(Config) ->
ssl_test_lib:close(Server),
ssl_test_lib:close(Client).
+
+%%--------------------------------------------------------------------
+handshake_continue() ->
+ [{doc, "Test API function ssl:handshake_continue/3"}].
+handshake_continue(Config) when is_list(Config) ->
+ ClientOpts = ssl_test_lib:ssl_options(client_verification_opts, Config),
+ ServerOpts = ssl_test_lib:ssl_options(server_verification_opts, Config),
+ {ClientNode, ServerNode, Hostname} = ssl_test_lib:run_where(Config),
+
+ Server = ssl_test_lib:start_server([{node, ServerNode}, {port, 0},
+ {from, self()},
+ {mfa, {ssl_test_lib, send_recv_result_active, []}},
+ {options, ssl_test_lib:ssl_options([{reuseaddr, true}, {handshake, hello}],
+ Config)},
+ {continue_options, proplists:delete(reuseaddr, ServerOpts)}
+ ]),
+
+ Port = ssl_test_lib:inet_port(Server),
+
+ Client = ssl_test_lib:start_client([{node, ClientNode}, {port, Port},
+ {host, Hostname},
+ {from, self()},
+ {mfa, {ssl_test_lib, send_recv_result_active, []}},
+ {options, ssl_test_lib:ssl_options([{handshake, hello}],
+ Config)},
+ {continue_options, proplists:delete(reuseaddr, ClientOpts)}]),
+
+ ssl_test_lib:check_result(Server, ok, Client, ok),
+
+ ssl_test_lib:close(Server),
+ ssl_test_lib:close(Client).
+
+%%--------------------------------------------------------------------
+hello_client_cancel() ->
+ [{doc, "Test API function ssl:handshake_cancel/1 on the client side"}].
+hello_client_cancel(Config) when is_list(Config) ->
+ ServerOpts = ssl_test_lib:ssl_options(server_verification_opts, Config),
+ ServerOpts = ssl_test_lib:ssl_options(server_verification_opts, Config),
+ {ClientNode, ServerNode, Hostname} = ssl_test_lib:run_where(Config),
+
+ Server = ssl_test_lib:start_server([{node, ServerNode}, {port, 0},
+ {from, self()},
+ {options, ssl_test_lib:ssl_options([{handshake, hello}], Config)},
+ {continue_options, proplists:delete(reuseaddr, ServerOpts)}]),
+
+ Port = ssl_test_lib:inet_port(Server),
+
+ %% That is ssl:handshake_cancel returns ok
+ {connect_failed, ok} = ssl_test_lib:start_client([{node, ClientNode}, {port, Port},
+ {host, Hostname},
+ {from, self()},
+ {options, ssl_test_lib:ssl_options([{handshake, hello}], Config)},
+ {continue_options, cancel}]),
+
+ ssl_test_lib:check_result(Server, {error, {tls_alert, "user canceled"}}).
+%%--------------------------------------------------------------------
+
+hello_server_cancel() ->
+ [{doc, "Test API function ssl:handshake_cancel/1 on the server side"}].
+hello_server_cancel(Config) when is_list(Config) ->
+ ClientOpts = ssl_test_lib:ssl_options(client_verification_opts, Config),
+ {ClientNode, ServerNode, Hostname} = ssl_test_lib:run_where(Config),
+
+ Server = ssl_test_lib:start_server([{node, ServerNode}, {port, 0},
+ {from, self()},
+ {options, ssl_test_lib:ssl_options([{handshake, hello}], Config)},
+ {continue_options, cancel}]),
+
+ Port = ssl_test_lib:inet_port(Server),
+
+ {connect_failed, _} = ssl_test_lib:start_client([{node, ClientNode}, {port, Port},
+ {host, Hostname},
+ {from, self()},
+ {options, ssl_test_lib:ssl_options([{handshake, hello}], Config)},
+ {continue_options, proplists:delete(reuseaddr, ClientOpts)}]),
+
+ ssl_test_lib:check_result(Server, ok).
+
%%--------------------------------------------------------------------
prf() ->
[{doc,"Test that ssl:prf/5 uses the negotiated PRF."}].
diff --git a/lib/ssl/test/ssl_test_lib.erl b/lib/ssl/test/ssl_test_lib.erl
index 23b2f3cab5..a9f7dd9675 100644
--- a/lib/ssl/test/ssl_test_lib.erl
+++ b/lib/ssl/test/ssl_test_lib.erl
@@ -79,17 +79,21 @@ run_server(ListenSocket, Opts, N) ->
Pid ! {accepter, N, Server},
run_server(ListenSocket, Opts, N-1).
-do_run_server(_, {error, timeout} = Result, Opts) ->
+do_run_server(_, {error, _} = Result, Opts) ->
+ ct:log("Server error result ~p~n", [Result]),
+ Pid = proplists:get_value(from, Opts),
+ Pid ! {self(), Result};
+do_run_server(_, ok = Result, Opts) ->
+ ct:log("Server cancel result ~p~n", [Result]),
Pid = proplists:get_value(from, Opts),
Pid ! {self(), Result};
-
do_run_server(ListenSocket, AcceptSocket, Opts) ->
Node = proplists:get_value(node, Opts),
Pid = proplists:get_value(from, Opts),
Transport = proplists:get_value(transport, Opts, ssl),
{Module, Function, Args} = proplists:get_value(mfa, Opts),
ct:log("~p:~p~nServer: apply(~p,~p,~p)~n",
- [?MODULE,?LINE, Module, Function, [AcceptSocket | Args]]),
+ [?MODULE,?LINE, Module, Function, [AcceptSocket | Args]]),
case rpc:call(Node, Module, Function, [AcceptSocket | Args]) of
no_result_msg ->
ok;
@@ -117,7 +121,8 @@ connect(#sslsocket{} = ListenSocket, Opts) ->
ReconnectTimes = proplists:get_value(reconnect_times, Opts, 0),
Timeout = proplists:get_value(timeout, Opts, infinity),
SslOpts = proplists:get_value(ssl_extra_opts, Opts, []),
- AcceptSocket = connect(ListenSocket, Node, 1 + ReconnectTimes, dummy, Timeout, SslOpts),
+ ContOpts = proplists:get_value(continue_options, Opts, []),
+ AcceptSocket = connect(ListenSocket, Node, 1 + ReconnectTimes, dummy, Timeout, SslOpts, ContOpts),
case ReconnectTimes of
0 ->
AcceptSocket;
@@ -132,10 +137,45 @@ connect(ListenSocket, Opts) ->
[ListenSocket]),
AcceptSocket.
-connect(_, _, 0, AcceptSocket, _, _) ->
+connect(_, _, 0, AcceptSocket, _, _, _) ->
AcceptSocket;
-
-connect(ListenSocket, Node, N, _, Timeout, []) ->
+connect(ListenSocket, Node, _N, _, Timeout, SslOpts, cancel) ->
+ ct:log("ssl:transport_accept(~p)~n", [ListenSocket]),
+ {ok, AcceptSocket} = rpc:call(Node, ssl, transport_accept,
+ [ListenSocket]),
+ ct:log("~p:~p~nssl:handshake(~p,~p,~p)~n", [?MODULE,?LINE, AcceptSocket, SslOpts,Timeout]),
+
+ case rpc:call(Node, ssl, handshake, [AcceptSocket, SslOpts, Timeout]) of
+ {ok, Socket0, Ext} ->
+ ct:log("Ext ~p:~n", [Ext]),
+ ct:log("~p:~p~nssl:handshake_cancel(~p)~n", [?MODULE,?LINE, Socket0]),
+ rpc:call(Node, ssl, handshake_cancel, [Socket0]);
+ Result ->
+ ct:log("~p:~p~nssl:handshake@~p ret ~p",[?MODULE,?LINE, Node,Result]),
+ Result
+ end;
+connect(ListenSocket, Node, N, _, Timeout, SslOpts, [_|_] =ContOpts) ->
+ ct:log("ssl:transport_accept(~p)~n", [ListenSocket]),
+ {ok, AcceptSocket} = rpc:call(Node, ssl, transport_accept,
+ [ListenSocket]),
+ ct:log("~p:~p~nssl:handshake(~p,~p,~p)~n", [?MODULE,?LINE, AcceptSocket, SslOpts,Timeout]),
+
+ case rpc:call(Node, ssl, handshake, [AcceptSocket, SslOpts, Timeout]) of
+ {ok, Socket0, Ext} ->
+ ct:log("Ext ~p:~n", [Ext]),
+ ct:log("~p:~p~nssl:handshake_continue(~p,~p,~p)~n", [?MODULE,?LINE, Socket0, ContOpts,Timeout]),
+ case rpc:call(Node, ssl, handshake_continue, [Socket0, ContOpts, Timeout]) of
+ {ok, Socket} ->
+ connect(ListenSocket, Node, N-1, Socket, Timeout, SslOpts, ContOpts);
+ Error ->
+ ct:log("~p:~p~nssl:handshake_continue@~p ret ~p",[?MODULE,?LINE, Node,Error]),
+ Error
+ end;
+ Result ->
+ ct:log("~p:~p~nssl:handshake@~p ret ~p",[?MODULE,?LINE, Node,Result]),
+ Result
+ end;
+connect(ListenSocket, Node, N, _, Timeout, [], ContOpts) ->
ct:log("ssl:transport_accept(~p)~n", [ListenSocket]),
{ok, AcceptSocket} = rpc:call(Node, ssl, transport_accept,
[ListenSocket]),
@@ -143,12 +183,12 @@ connect(ListenSocket, Node, N, _, Timeout, []) ->
case rpc:call(Node, ssl, ssl_accept, [AcceptSocket, Timeout]) of
ok ->
- connect(ListenSocket, Node, N-1, AcceptSocket, Timeout, []);
+ connect(ListenSocket, Node, N-1, AcceptSocket, Timeout, [], ContOpts);
Result ->
ct:log("~p:~p~nssl:ssl_accept@~p ret ~p",[?MODULE,?LINE, Node,Result]),
Result
end;
-connect(ListenSocket, Node, _, _, Timeout, Opts) ->
+connect(ListenSocket, Node, _, _, Timeout, Opts, _) ->
ct:log("ssl:transport_accept(~p)~n", [ListenSocket]),
{ok, AcceptSocket} = rpc:call(Node, ssl, transport_accept,
[ListenSocket]),
@@ -187,8 +227,17 @@ run_client(Opts) ->
Pid = proplists:get_value(from, Opts),
Transport = proplists:get_value(transport, Opts, ssl),
Options = proplists:get_value(options, Opts),
+ ContOpts = proplists:get_value(continue_options, Opts, []),
ct:log("~p:~p~n~p:connect(~p, ~p)@~p~n", [?MODULE,?LINE, Transport, Host, Port, Node]),
ct:log("SSLOpts: ~p", [Options]),
+ case ContOpts of
+ [] ->
+ client_loop(Node, Host, Port, Pid, Transport, Options, Opts);
+ _ ->
+ client_cont_loop(Node, Host, Port, Pid, Transport, Options, ContOpts, Opts)
+ end.
+
+client_loop(Node, Host, Port, Pid, Transport, Options, Opts) ->
case rpc:call(Node, Transport, connect, [Host, Port, Options]) of
{ok, Socket} ->
Pid ! {connected, Socket},
@@ -245,6 +294,40 @@ run_client(Opts) ->
Pid ! {connect_failed, {badrpc,BadRPC}}
end.
+client_cont_loop(Node, Host, Port, Pid, Transport, Options, cancel, _Opts) ->
+ case rpc:call(Node, Transport, connect, [Host, Port, Options]) of
+ {ok, Socket, _} ->
+ Result = rpc:call(Node, Transport, handshake_cancel, [Socket]),
+ ct:log("~p:~p~nClient: Cancel: ~p ~n", [?MODULE,?LINE, Result]),
+ Pid ! {connect_failed, Result};
+ {error, Reason} ->
+ ct:log("~p:~p~nClient: connection failed: ~p ~n", [?MODULE,?LINE, Reason]),
+ Pid ! {connect_failed, Reason}
+ end;
+
+client_cont_loop(Node, Host, Port, Pid, Transport, Options, ContOpts, Opts) ->
+ case rpc:call(Node, Transport, connect, [Host, Port, Options]) of
+ {ok, Socket0, _} ->
+ ct:log("~p:~p~nClient: handshake_continue(~p, ~p, infinity) ~n", [?MODULE, ?LINE, Socket0, ContOpts]),
+ case rpc:call(Node, Transport, handshake_continue, [Socket0, ContOpts, infinity]) of
+ {ok, Socket} ->
+ Pid ! {connected, Socket},
+ {Module, Function, Args} = proplists:get_value(mfa, Opts),
+ ct:log("~p:~p~nClient: apply(~p,~p,~p)~n",
+ [?MODULE,?LINE, Module, Function, [Socket | Args]]),
+ case rpc:call(Node, Module, Function, [Socket | Args]) of
+ no_result_msg ->
+ ok;
+ Msg ->
+ ct:log("~p:~p~nClient Msg: ~p ~n", [?MODULE,?LINE, Msg]),
+ Pid ! {self(), Msg}
+ end
+ end;
+ {error, Reason} ->
+ ct:log("~p:~p~nClient: connection failed: ~p ~n", [?MODULE,?LINE, Reason]),
+ Pid ! {connect_failed, Reason}
+ end.
+
close(Pid) ->
ct:log("~p:~p~nClose ~p ~n", [?MODULE,?LINE, Pid]),
Monitor = erlang:monitor(process, Pid),