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authorHans Nilsson <[email protected]>2014-08-11 11:54:41 +0200
committerHans Nilsson <[email protected]>2014-08-11 11:54:41 +0200
commit564a3b5531dc34bac91c439e1f9fad2ccaf838f4 (patch)
tree8e7b8c48c220ad56737953e9244a4dafc32152cd
parent1fed4d803c1eb6363f26585a439cd97390b9af72 (diff)
parent314b504f088352a253a92224fc36f3514f83e0f8 (diff)
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Merge branch 'hans/ssh/negotiation_timeout_bug/OTP-12057' into maint
* hans/ssh/negotiation_timeout_bug/OTP-12057: ssh: negotiation_timeout bug fixed ssh: Negotiation_timeout testcase
-rw-r--r--lib/ssh/src/ssh_connection_handler.erl28
-rw-r--r--lib/ssh/test/ssh_basic_SUITE.erl98
2 files changed, 112 insertions, 14 deletions
diff --git a/lib/ssh/src/ssh_connection_handler.erl b/lib/ssh/src/ssh_connection_handler.erl
index 06866392da..86804c4436 100644
--- a/lib/ssh/src/ssh_connection_handler.erl
+++ b/lib/ssh/src/ssh_connection_handler.erl
@@ -104,21 +104,11 @@ start_connection(client = Role, Socket, Options, Timeout) ->
start_connection(server = Role, Socket, Options, Timeout) ->
try
- Sups = proplists:get_value(supervisors, Options),
- ConnectionSup = proplists:get_value(connection_sup, Sups),
- Opts = [{supervisors, Sups}, {user_pid, self()} | proplists:get_value(ssh_opts, Options, [])],
- {ok, Pid} = ssh_connection_sup:start_child(ConnectionSup, [Role, Socket, Opts]),
- {_, Callback, _} = proplists:get_value(transport, Options, {tcp, gen_tcp, tcp_closed}),
- socket_control(Socket, Pid, Callback),
- case proplists:get_value(parallel_login, Opts, false) of
+ case proplists:get_value(parallel_login, Options, false) of
true ->
- spawn(fun() ->
- Ref = erlang:monitor(process, Pid),
- handshake(Pid, Ref, Timeout)
- end);
+ spawn(fun() -> start_server_connection(Role, Socket, Options, Timeout) end);
false ->
- Ref = erlang:monitor(process, Pid),
- handshake(Pid, Ref, Timeout)
+ start_server_connection(Role, Socket, Options, Timeout)
end
catch
exit:{noproc, _} ->
@@ -127,6 +117,18 @@ start_connection(server = Role, Socket, Options, Timeout) ->
{error, Error}
end.
+
+start_server_connection(server = Role, Socket, Options, Timeout) ->
+ Sups = proplists:get_value(supervisors, Options),
+ ConnectionSup = proplists:get_value(connection_sup, Sups),
+ Opts = [{supervisors, Sups}, {user_pid, self()} | proplists:get_value(ssh_opts, Options, [])],
+ {ok, Pid} = ssh_connection_sup:start_child(ConnectionSup, [Role, Socket, Opts]),
+ {_, Callback, _} = proplists:get_value(transport, Options, {tcp, gen_tcp, tcp_closed}),
+ socket_control(Socket, Pid, Callback),
+ Ref = erlang:monitor(process, Pid),
+ handshake(Pid, Ref, Timeout).
+
+
start_link(Role, Socket, Options) ->
{ok, proc_lib:spawn_link(?MODULE, init, [[Role, Socket, Options]])}.
diff --git a/lib/ssh/test/ssh_basic_SUITE.erl b/lib/ssh/test/ssh_basic_SUITE.erl
index bf7fb4c73e..35fca21021 100644
--- a/lib/ssh/test/ssh_basic_SUITE.erl
+++ b/lib/ssh/test/ssh_basic_SUITE.erl
@@ -59,7 +59,11 @@ groups() ->
{dsa_pass_key, [], [pass_phrase]},
{rsa_pass_key, [], [pass_phrase]},
{internal_error, [], [internal_error]},
- {hardening_tests, [], [max_sessions]}
+ {hardening_tests, [], [ssh_connect_nonegtimeout_connected_parallel,
+ ssh_connect_nonegtimeout_connected_sequential,
+ ssh_connect_negtimeout_parallel,
+ ssh_connect_negtimeout_sequential,
+ max_sessions]}
].
@@ -743,6 +747,98 @@ ms_passed(N1={_,_,M1}, N2={_,_,M2}) ->
1000 * (Min*60 + Sec + (M2-M1)/1000000).
%%--------------------------------------------------------------------
+ssh_connect_negtimeout_parallel(Config) -> ssh_connect_negtimeout(Config,true).
+ssh_connect_negtimeout_sequential(Config) -> ssh_connect_negtimeout(Config,false).
+
+ssh_connect_negtimeout(Config, Parallel) ->
+ process_flag(trap_exit, true),
+ SystemDir = filename:join(?config(priv_dir, Config), system),
+ UserDir = ?config(priv_dir, Config),
+ NegTimeOut = 2000, % ms
+ ct:log("Parallel: ~p",[Parallel]),
+
+ {_Pid, Host, Port} = ssh_test_lib:daemon([{system_dir, SystemDir},{user_dir, UserDir},
+ {parallel_login, Parallel},
+ {negotiation_timeout, NegTimeOut},
+ {failfun, fun ssh_test_lib:failfun/2}]),
+
+ {ok,Socket} = gen_tcp:connect(Host, Port, []),
+ ct:pal("And now sleeping 1.2*NegTimeOut (~p ms)...", [round(1.2 * NegTimeOut)]),
+ receive after round(1.2 * NegTimeOut) -> ok end,
+
+ case inet:sockname(Socket) of
+ {ok,_} -> ct:fail("Socket not closed");
+ {error,_} -> ok
+ end.
+
+%%--------------------------------------------------------------------
+ssh_connect_nonegtimeout_connected_parallel() ->
+ [{doc, "Test that ssh connection does not timeout if the connection is established (parallel)"}].
+ssh_connect_nonegtimeout_connected_parallel(Config) ->
+ ssh_connect_nonegtimeout_connected(Config, true).
+
+ssh_connect_nonegtimeout_connected_sequential() ->
+ [{doc, "Test that ssh connection does not timeout if the connection is established (non-parallel)"}].
+ssh_connect_nonegtimeout_connected_sequential(Config) ->
+ ssh_connect_nonegtimeout_connected(Config, false).
+
+
+ssh_connect_nonegtimeout_connected(Config, Parallel) ->
+ process_flag(trap_exit, true),
+ SystemDir = filename:join(?config(priv_dir, Config), system),
+ UserDir = ?config(priv_dir, Config),
+ NegTimeOut = 20000, % ms
+ ct:log("Parallel: ~p",[Parallel]),
+
+ {_Pid, _Host, Port} = ssh_test_lib:daemon([{system_dir, SystemDir},{user_dir, UserDir},
+ {parallel_login, Parallel},
+ {negotiation_timeout, NegTimeOut},
+ {failfun, fun ssh_test_lib:failfun/2}]),
+ ct:sleep(500),
+
+ IO = ssh_test_lib:start_io_server(),
+ Shell = ssh_test_lib:start_shell(Port, IO, UserDir),
+ receive
+ {'EXIT', _, _} ->
+ ct:fail(no_ssh_connection);
+ ErlShellStart ->
+ ct:pal("---Erlang shell start: ~p~n", [ErlShellStart]),
+ one_shell_op(IO, NegTimeOut),
+ one_shell_op(IO, NegTimeOut),
+ ct:pal("And now sleeping 1.2*NegTimeOut (~p ms)...", [round(1.2 * NegTimeOut)]),
+ receive after round(1.2 * NegTimeOut) -> ok end,
+ one_shell_op(IO, NegTimeOut)
+ end,
+ exit(Shell, kill).
+
+
+one_shell_op(IO, TimeOut) ->
+ ct:pal("One shell op: Waiting for prompter"),
+ receive
+ ErlPrompt0 -> ct:log("Erlang prompt: ~p~n", [ErlPrompt0])
+ after TimeOut -> ct:fail("Timeout waiting for promter")
+ end,
+
+ IO ! {input, self(), "2*3*7.\r\n"},
+ receive
+ Echo0 -> ct:log("Echo: ~p ~n", [Echo0])
+ after TimeOut -> ct:fail("Timeout waiting for echo")
+ end,
+
+ receive
+ ?NEWLINE -> ct:log("NEWLINE received", [])
+ after TimeOut ->
+ receive Any1 -> ct:log("Bad NEWLINE: ~p",[Any1])
+ after 0 -> ct:fail("Timeout waiting for NEWLINE")
+ end
+ end,
+
+ receive
+ Result0 -> ct:log("Result: ~p~n", [Result0])
+ after TimeOut -> ct:fail("Timeout waiting for result")
+ end.
+
+%%--------------------------------------------------------------------
openssh_zlib_basic_test() ->
[{doc, "Test basic connection with openssh_zlib"}].