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authorHans Nilsson <[email protected]>2017-08-28 12:51:23 +0200
committerHans Nilsson <[email protected]>2017-09-11 12:11:42 +0200
commitb3cb129a5518d0018340eea088acd409b616836a (patch)
treea244ef453918db67956ba2f22d35321a883152a9 /lib/ssh
parentfdb4455125776076b72dc1e31f2909c5ea819651 (diff)
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ssh: test cases for modify_algorithms
Diffstat (limited to 'lib/ssh')
-rw-r--r--lib/ssh/test/ssh_protocol_SUITE.erl140
1 files changed, 135 insertions, 5 deletions
diff --git a/lib/ssh/test/ssh_protocol_SUITE.erl b/lib/ssh/test/ssh_protocol_SUITE.erl
index 0837fe7eaf..7da921adb2 100644
--- a/lib/ssh/test/ssh_protocol_SUITE.erl
+++ b/lib/ssh/test/ssh_protocol_SUITE.erl
@@ -34,8 +34,8 @@
-define(NEWLINE, <<"\r\n">>).
-define(REKEY_DATA_TMO, 65000).
-%%-define(DEFAULT_KEX, 'diffie-hellman-group1-sha1').
-define(DEFAULT_KEX, 'diffie-hellman-group14-sha256').
+-define(EXTRA_KEX, 'diffie-hellman-group1-sha1').
-define(CIPHERS, ['aes256-ctr','aes192-ctr','aes128-ctr','aes128-cbc','3des-cbc']).
-define(DEFAULT_CIPHERS, [{client2server,?CIPHERS}, {server2client,?CIPHERS}]).
@@ -60,7 +60,8 @@ all() ->
{group,authentication},
{group,packet_size_error},
{group,field_size_error},
- {group,ext_info}
+ {group,ext_info},
+ {group,preferred_algorithms}
].
groups() ->
@@ -96,7 +97,13 @@ groups() ->
no_ext_info_s2,
ext_info_s,
ext_info_c
- ]}
+ ]},
+ {preferred_algorithms, [], [preferred_algorithms,
+ modify_append,
+ modify_prepend,
+ modify_rm,
+ modify_combo
+ ]}
].
@@ -701,8 +708,6 @@ ext_info_s(Config) ->
%%%--------------------------------------------------------------------
%%% The client sends the extension
ext_info_c(Config) ->
- {User,_Pwd} = server_user_password(Config),
-
%% Create a listening socket as server socket:
{ok,InitialState} = ssh_trpt_test_lib:exec(listen),
HostPort = ssh_trpt_test_lib:server_host_port(InitialState),
@@ -757,10 +762,135 @@ ext_info_c(Config) ->
{result, Pid, Error} -> ct:fail("Error: ~p",[Error])
end.
+
+%%%----------------------------------------------------------------
+%%%
+preferred_algorithms(Config) ->
+ Ciphers = filter_supported(cipher, ?CIPHERS),
+ {error,{eoptions,{{preferred_algorithms,{kex,[some_unknown_algo]}},
+ "Unsupported value(s) found"}}} =
+ chk_pref_algs(Config,
+ [?DEFAULT_KEX],
+ Ciphers,
+ [{preferred_algorithms, [{kex,[some_unknown_algo,?DEFAULT_KEX]},
+ {cipher,Ciphers}
+ ]}
+ ]).
+
+%%%----------------------------------------------------------------
+%%%
+modify_append(Config) ->
+ Ciphers = filter_supported(cipher, ?CIPHERS),
+ {ok,_} =
+ chk_pref_algs(Config,
+ [?DEFAULT_KEX, ?EXTRA_KEX],
+ Ciphers,
+ [{preferred_algorithms, [{kex,[?DEFAULT_KEX]},
+ {cipher,Ciphers}
+ ]},
+ {modify_algorithms, [{append,[{kex,[some_unknown_algo,?EXTRA_KEX]}]}]}
+ ]).
+
+%%%----------------------------------------------------------------
+%%%
+modify_prepend(Config) ->
+ Ciphers = filter_supported(cipher, ?CIPHERS),
+ {ok,_} =
+ chk_pref_algs(Config,
+ [?EXTRA_KEX, ?DEFAULT_KEX],
+ Ciphers,
+ [{preferred_algorithms, [{kex,[?DEFAULT_KEX]},
+ {cipher,Ciphers}
+ ]},
+ {modify_algorithms, [{prepend,[{kex,[some_unknown_algo,?EXTRA_KEX]}]}]}
+ ]).
+
+%%%----------------------------------------------------------------
+%%%
+modify_rm(Config) ->
+ Ciphers = filter_supported(cipher, ?CIPHERS),
+ {ok,_} =
+ chk_pref_algs(Config,
+ [?DEFAULT_KEX],
+ tl(Ciphers),
+ [{preferred_algorithms, [{kex,[?DEFAULT_KEX,?EXTRA_KEX]},
+ {cipher,Ciphers}
+ ]},
+ {modify_algorithms, [{rm,[{kex,[some_unknown_algo,?EXTRA_KEX]},
+ {cipher,[hd(Ciphers)]}
+ ]}
+ ]}
+ ]).
+
+
+%%%----------------------------------------------------------------
+%%%
+modify_combo(Config) ->
+ Ciphers = filter_supported(cipher, ?CIPHERS),
+ LastC = lists:last(Ciphers),
+ {ok,_} =
+ chk_pref_algs(Config,
+ [?DEFAULT_KEX],
+ [LastC] ++ (tl(Ciphers)--[LastC]) ++ [hd(Ciphers)],
+ [{preferred_algorithms, [{kex,[?DEFAULT_KEX,?EXTRA_KEX]},
+ {cipher,Ciphers}
+ ]},
+ {modify_algorithms, [{rm,[{kex,[some_unknown_algo,?EXTRA_KEX]}
+ ]},
+ {prepend,[{cipher,[{server2client,[LastC]}]}
+ ]},
+ {append,[{cipher,[a,hd(Ciphers),b]}
+ ]}
+ ]}
+ ]).
+
%%%================================================================
%%%==== Internal functions ========================================
%%%================================================================
+chk_pref_algs(Config,
+ ExpectedKex,
+ ExpectedCiphers,
+ ServerPrefOpts) ->
+ %% Start the dameon
+ case ssh_test_lib:daemon(
+ [{send_ext_info,false},
+ {recv_ext_info,false},
+ {system_dir, system_dir(Config)}
+ | ServerPrefOpts])
+ of
+ {_,Host,Port} ->
+ %% Check the Kex part
+ ssh_trpt_test_lib:exec(
+ [{set_options, [print_ops, {print_messages,detail}]},
+ {connect, Host, Port,
+ [{silently_accept_hosts, true},
+ {user_dir, user_dir(Config)},
+ {user_interaction, false}
+ ]},
+ {send, hello},
+ receive_hello,
+ {match,
+ #ssh_msg_kexinit{
+ kex_algorithms = to_lists(ExpectedKex),
+ encryption_algorithms_server_to_client = to_lists(ExpectedCiphers),
+ _ = '_'},
+ receive_msg}
+ ]);
+ Error ->
+ Error
+ end.
+
+
+filter_supported(K, Algs) -> Algs -- (Algs--supported(K)).
+
+supported(K) -> proplists:get_value(
+ server2client,
+ ssh_transport:supported_algorithms(cipher)).
+
+to_lists(L) -> lists:map(fun erlang:atom_to_list/1, L).
+
+
%%%---- init_suite and end_suite ---------------------------------------
start_apps(Config) ->
catch ssh:stop(),