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-rw-r--r--lib/ssh/test/ssh_basic_SUITE.erl193
1 files changed, 170 insertions, 23 deletions
diff --git a/lib/ssh/test/ssh_basic_SUITE.erl b/lib/ssh/test/ssh_basic_SUITE.erl
index bf7fb4c73e..9242731924 100644
--- a/lib/ssh/test/ssh_basic_SUITE.erl
+++ b/lib/ssh/test/ssh_basic_SUITE.erl
@@ -53,13 +53,21 @@ all() ->
{group, hardening_tests}
].
-groups() ->
+groups() ->
[{dsa_key, [], basic_tests()},
{rsa_key, [], basic_tests()},
{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_ssh_connect_parallel,
+ max_sessions_ssh_connect_sequential,
+ max_sessions_sftp_start_channel_parallel,
+ max_sessions_sftp_start_channel_sequential
+ ]}
].
@@ -743,6 +751,98 @@ 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"}].
@@ -763,40 +863,87 @@ openssh_zlib_basic_test(Config) ->
%%--------------------------------------------------------------------
-max_sessions(Config) ->
+max_sessions_ssh_connect_parallel(Config) ->
+ max_sessions(Config, true, connect_fun(ssh__connect,Config)).
+max_sessions_ssh_connect_sequential(Config) ->
+ max_sessions(Config, false, connect_fun(ssh__connect,Config)).
+
+max_sessions_sftp_start_channel_parallel(Config) ->
+ max_sessions(Config, true, connect_fun(ssh_sftp__start_channel, Config)).
+max_sessions_sftp_start_channel_sequential(Config) ->
+ max_sessions(Config, false, connect_fun(ssh_sftp__start_channel, Config)).
+
+
+%%%---- helpers:
+connect_fun(ssh__connect, Config) ->
+ fun(Host,Port) ->
+ ssh_test_lib:connect(Host, Port,
+ [{silently_accept_hosts, true},
+ {user_dir, ?config(priv_dir,Config)},
+ {user_interaction, false},
+ {user, "carni"},
+ {password, "meat"}
+ ])
+ %% ssh_test_lib returns R when ssh:connect returns {ok,R}
+ end;
+connect_fun(ssh_sftp__start_channel, _Config) ->
+ fun(Host,Port) ->
+ {ok,_Pid,ConnRef} =
+ ssh_sftp:start_channel(Host, Port,
+ [{silently_accept_hosts, true},
+ {user, "carni"},
+ {password, "meat"}
+ ]),
+ ConnRef
+ end.
+
+
+max_sessions(Config, ParallelLogin, Connect) when is_function(Connect,2) ->
SystemDir = filename:join(?config(priv_dir, Config), system),
UserDir = ?config(priv_dir, Config),
- MaxSessions = 2,
- {Pid, Host, Port} = ssh_test_lib:daemon([{system_dir, SystemDir},
+ MaxSessions = 5,
+ {Pid, Host, Port} = ssh_test_lib:daemon([
+ {system_dir, SystemDir},
{user_dir, UserDir},
{user_passwords, [{"carni", "meat"}]},
- {parallel_login, true},
+ {parallel_login, ParallelLogin},
{max_sessions, MaxSessions}
]),
- Connect = fun() ->
- R=ssh_test_lib:connect(Host, Port, [{silently_accept_hosts, true},
- {user_dir, UserDir},
- {user_interaction, false},
- {user, "carni"},
- {password, "meat"}
- ]),
- ct:log("Connection ~p up",[R])
- end,
-
- try [Connect() || _ <- lists:seq(1,MaxSessions)]
+ try [Connect(Host,Port) || _ <- lists:seq(1,MaxSessions)]
of
- _ ->
- ct:pal("Expect Info Report:",[]),
- try Connect()
+ Connections ->
+ %% Step 1 ok: could set up max_sessions connections
+ ct:log("Connections up: ~p",[Connections]),
+ [_|_] = Connections,
+
+ %% Now try one more than alowed:
+ ct:pal("Info Report might come here...",[]),
+ try Connect(Host,Port)
of
- _ConnectionRef ->
+ _ConnectionRef1 ->
ssh:stop_daemon(Pid),
{fail,"Too many connections accepted"}
catch
error:{badmatch,{error,"Connection closed"}} ->
- ssh:stop_daemon(Pid),
- ok
+ %% Step 2 ok: could not set up max_sessions+1 connections
+ %% This is expected
+ %% Now stop one connection and try to open one more
+ ok = ssh:close(hd(Connections)),
+ try Connect(Host,Port)
+ of
+ _ConnectionRef1 ->
+ %% Step 3 ok: could set up one more connection after killing one
+ %% Thats good.
+ ssh:stop_daemon(Pid),
+ ok
+ catch
+ error:{badmatch,{error,"Connection closed"}} ->
+ %% Bad indeed. Could not set up one more connection even after killing
+ %% one existing. Very bad.
+ ssh:stop_daemon(Pid),
+ {fail,"Does not decrease # active sessions"}
+ end
end
catch
error:{badmatch,{error,"Connection closed"}} ->
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-08 21:32:00 +0000