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-rw-r--r--lib/ssh/doc/src/notes.xml26
-rw-r--r--lib/ssh/src/ssh_connection_handler.erl63
-rw-r--r--lib/ssh/test/ssh_options_SUITE.erl2
-rw-r--r--lib/ssh/vsn.mk2
4 files changed, 72 insertions, 21 deletions
diff --git a/lib/ssh/doc/src/notes.xml b/lib/ssh/doc/src/notes.xml
index f813c624ee..c9e153f30c 100644
--- a/lib/ssh/doc/src/notes.xml
+++ b/lib/ssh/doc/src/notes.xml
@@ -30,6 +30,32 @@
<file>notes.xml</file>
</header>
+<section><title>Ssh 4.6.2</title>
+
+ <section><title>Fixed Bugs and Malfunctions</title>
+ <list>
+ <item>
+ <p>
+ Trailing white space was removed at end of the
+ hello-string. This caused interoperability problems with
+ some other ssh-implementations (e.g OpenSSH 7.3p1 on
+ Solaris 11)</p>
+ <p>
+ Own Id: OTP-14763 Aux Id: ERIERL-74 </p>
+ </item>
+ <item>
+ <p>
+ Fixes that tcp connections that was immediately closed
+ (SYN, SYNACK, ACK, RST) by a client could be left in a
+ zombie state.</p>
+ <p>
+ Own Id: OTP-14778 Aux Id: ERIERL-104 </p>
+ </item>
+ </list>
+ </section>
+
+</section>
+
<section><title>Ssh 4.6.1</title>
<section><title>Fixed Bugs and Malfunctions</title>
<list>
diff --git a/lib/ssh/src/ssh_connection_handler.erl b/lib/ssh/src/ssh_connection_handler.erl
index 802bf62570..0ca960ef96 100644
--- a/lib/ssh/src/ssh_connection_handler.erl
+++ b/lib/ssh/src/ssh_connection_handler.erl
@@ -325,23 +325,32 @@ renegotiate_data(ConnectionHandler) ->
%% Internal process state
%%====================================================================
-record(data, {
- starter :: pid(),
+ starter :: pid()
+ | undefined,
auth_user :: string()
| undefined,
connection_state :: #connection{},
- latest_channel_id = 0 :: non_neg_integer(),
+ latest_channel_id = 0 :: non_neg_integer()
+ | undefined,
idle_timer_ref :: undefined
| infinity
| reference(),
idle_timer_value = infinity :: infinity
| pos_integer(),
- transport_protocol :: atom(), % ex: tcp
- transport_cb :: atom(), % ex: gen_tcp
- transport_close_tag :: atom(), % ex: tcp_closed
- ssh_params :: #ssh{},
- socket :: inet:socket(),
- decrypted_data_buffer = <<>> :: binary(),
- encrypted_data_buffer = <<>> :: binary(),
+ transport_protocol :: atom()
+ | undefined, % ex: tcp
+ transport_cb :: atom()
+ | undefined, % ex: gen_tcp
+ transport_close_tag :: atom()
+ | undefined, % ex: tcp_closed
+ ssh_params :: #ssh{}
+ | undefined,
+ socket :: inet:socket()
+ | undefined,
+ decrypted_data_buffer = <<>> :: binary()
+ | undefined,
+ encrypted_data_buffer = <<>> :: binary()
+ | undefined,
undecrypted_packet_length :: undefined | non_neg_integer(),
key_exchange_init_msg :: #ssh_msg_kexinit{}
| undefined,
@@ -370,16 +379,17 @@ init_connection_handler(Role, Socket, Opts) ->
StartState,
D);
- {stop, enotconn} ->
- %% Handles the abnormal sequence:
- %% SYN->
- %% <-SYNACK
- %% ACK->
- %% RST->
- exit({shutdown, "TCP connection to server was prematurely closed by the client"});
-
- {stop, OtherError} ->
- exit({shutdown, {init,OtherError}})
+ {stop, Error} ->
+ Sups = ?GET_INTERNAL_OPT(supervisors, Opts),
+ C = #connection{system_supervisor = proplists:get_value(system_sup, Sups),
+ sub_system_supervisor = proplists:get_value(subsystem_sup, Sups),
+ connection_supervisor = proplists:get_value(connection_sup, Sups)
+ },
+ gen_statem:enter_loop(?MODULE,
+ [],
+ {init_error,Error},
+ #data{connection_state=C,
+ socket=Socket})
end.
@@ -531,6 +541,21 @@ renegotiation(_) -> false.
callback_mode() ->
handle_event_function.
+
+handle_event(_, _Event, {init_error,Error}, _) ->
+ case Error of
+ enotconn ->
+ %% Handles the abnormal sequence:
+ %% SYN->
+ %% <-SYNACK
+ %% ACK->
+ %% RST->
+ {stop, {shutdown,"TCP connenction to server was prematurely closed by the client"}};
+
+ OtherError ->
+ {stop, {shutdown,{init,OtherError}}}
+ end;
+
%%% ######## {hello, client|server} ####
%% The very first event that is sent when the we are set as controlling process of Socket
handle_event(_, socket_control, {hello,_}, D) ->
diff --git a/lib/ssh/test/ssh_options_SUITE.erl b/lib/ssh/test/ssh_options_SUITE.erl
index 1f1206527e..144ec7f8fd 100644
--- a/lib/ssh/test/ssh_options_SUITE.erl
+++ b/lib/ssh/test/ssh_options_SUITE.erl
@@ -1082,7 +1082,7 @@ id_string_own_string_server(Config) ->
%%--------------------------------------------------------------------
id_string_own_string_server_trail_space(Config) ->
{_Server, Host, Port} = ssh_test_lib:std_daemon(Config, [{id_string,"Olle "}]),
- {ok,S1}=gen_tcp:connect(Host,Port,[{active,false},{packet,line}]),
+ {ok,S1}=ssh_test_lib:gen_tcp_connect(Host,Port,[{active,false},{packet,line}]),
{ok,"SSH-2.0-Olle \r\n"} = gen_tcp:recv(S1, 0, 2000).
%%--------------------------------------------------------------------
diff --git a/lib/ssh/vsn.mk b/lib/ssh/vsn.mk
index 5154658e8a..59775d2d7f 100644
--- a/lib/ssh/vsn.mk
+++ b/lib/ssh/vsn.mk
@@ -1,5 +1,5 @@
#-*-makefile-*- ; force emacs to enter makefile-mode
-SSH_VSN = 4.6.1
+SSH_VSN = 4.6.2
APP_VSN = "ssh-$(SSH_VSN)"