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-rw-r--r--lib/ssh/test/ssh_basic_SUITE.erl56
1 files changed, 54 insertions, 2 deletions
diff --git a/lib/ssh/test/ssh_basic_SUITE.erl b/lib/ssh/test/ssh_basic_SUITE.erl
index d2e52379fa..a8b64b1425 100644
--- a/lib/ssh/test/ssh_basic_SUITE.erl
+++ b/lib/ssh/test/ssh_basic_SUITE.erl
@@ -47,21 +47,26 @@ all() ->
daemon_already_started,
server_password_option,
server_userpassword_option,
- double_close].
+ double_close,
+ {group, hardening_tests}
+ ].
groups() ->
[{dsa_key, [], basic_tests()},
{rsa_key, [], basic_tests()},
{dsa_pass_key, [], [pass_phrase]},
{rsa_pass_key, [], [pass_phrase]},
- {internal_error, [], [internal_error]}
+ {internal_error, [], [internal_error]},
+ {hardening_tests, [], [max_sessions]}
].
+
basic_tests() ->
[send, close, peername_sockname,
exec, exec_compressed, shell, cli, known_hosts,
idle_time, rekey, openssh_zlib_basic_test].
+
%%--------------------------------------------------------------------
init_per_suite(Config) ->
case catch crypto:start() of
@@ -74,6 +79,8 @@ end_per_suite(_Config) ->
ssh:stop(),
crypto:stop().
%%--------------------------------------------------------------------
+init_per_group(hardening_tests, Config) ->
+ init_per_group(dsa_key, Config);
init_per_group(dsa_key, Config) ->
DataDir = ?config(data_dir, Config),
PrivDir = ?config(priv_dir, Config),
@@ -103,6 +110,8 @@ init_per_group(internal_error, Config) ->
init_per_group(_, Config) ->
Config.
+end_per_group(hardening_tests, Config) ->
+ end_per_group(dsa_key, Config);
end_per_group(dsa_key, Config) ->
PrivDir = ?config(priv_dir, Config),
ssh_test_lib:clean_dsa(PrivDir),
@@ -639,6 +648,49 @@ openssh_zlib_basic_test(Config) ->
ssh:stop_daemon(Pid).
%%--------------------------------------------------------------------
+
+max_sessions(Config) ->
+ 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},
+ {user_dir, UserDir},
+ {user_passwords, [{"carni", "meat"}]},
+ {parallel_login, true},
+ {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)]
+ of
+ _ ->
+ ct:pal("Expect Info Report:",[]),
+ try Connect()
+ of
+ _ConnectionRef ->
+ ssh:stop_daemon(Pid),
+ {fail,"Too many connections accepted"}
+ catch
+ error:{badmatch,{error,"Connection closed"}} ->
+ ssh:stop_daemon(Pid),
+ ok
+ end
+ catch
+ error:{badmatch,{error,"Connection closed"}} ->
+ ssh:stop_daemon(Pid),
+ {fail,"Too few connections accepted"}
+ end.
+
+%%--------------------------------------------------------------------
%% Internal functions ------------------------------------------------
%%--------------------------------------------------------------------