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+%%
+%% %CopyrightBegin%
+%%
+%% Copyright Ericsson AB 2008-2015. All Rights Reserved.
+%%
+%% Licensed under the Apache License, Version 2.0 (the "License");
+%% you may not use this file except in compliance with the License.
+%% You may obtain a copy of the License at
+%%
+%% http://www.apache.org/licenses/LICENSE-2.0
+%%
+%% Unless required by applicable law or agreed to in writing, software
+%% distributed under the License is distributed on an "AS IS" BASIS,
+%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+%% See the License for the specific language governing permissions and
+%% limitations under the License.
+%%
+%% %CopyrightEnd%
+%%
+
+%%
+
+-module(ssh_options_SUITE).
+
+%%% This test suite tests different options for the ssh functions
+
+
+-include_lib("common_test/include/ct.hrl").
+-include_lib("kernel/include/file.hrl").
+
+
+%%% Test cases
+-export([connectfun_disconnectfun_client/1,
+ disconnectfun_option_client/1,
+ disconnectfun_option_server/1,
+ id_string_no_opt_client/1,
+ id_string_no_opt_server/1,
+ id_string_own_string_client/1,
+ id_string_own_string_server/1,
+ id_string_random_client/1,
+ id_string_random_server/1,
+ max_sessions_sftp_start_channel_parallel/1,
+ max_sessions_sftp_start_channel_sequential/1,
+ max_sessions_ssh_connect_parallel/1,
+ max_sessions_ssh_connect_sequential/1,
+ server_password_option/1,
+ server_userpassword_option/1,
+ ssh_connect_arg4_timeout/1,
+ ssh_connect_negtimeout_parallel/1,
+ ssh_connect_negtimeout_sequential/1,
+ ssh_connect_nonegtimeout_connected_parallel/1,
+ ssh_connect_nonegtimeout_connected_sequential/1,
+ ssh_connect_timeout/1, connect/4,
+ ssh_daemon_minimal_remote_max_packet_size_option/1,
+ ssh_msg_debug_fun_option_client/1,
+ ssh_msg_debug_fun_option_server/1,
+ system_dir_option/1,
+ unexpectedfun_option_client/1,
+ unexpectedfun_option_server/1,
+ user_dir_option/1,
+ connectfun_disconnectfun_server/1
+ ]).
+
+%%% Common test callbacks
+-export([suite/0, all/0, groups/0,
+ init_per_suite/1, end_per_suite/1,
+ init_per_group/2, end_per_group/2,
+ init_per_testcase/2, end_per_testcase/2
+ ]).
+
+
+-define(NEWLINE, <<"\r\n">>).
+
+%%--------------------------------------------------------------------
+%% Common Test interface functions -----------------------------------
+%%--------------------------------------------------------------------
+
+suite() ->
+ [{ct_hooks,[ts_install_cth]}].
+
+all() ->
+ [connectfun_disconnectfun_server,
+ connectfun_disconnectfun_client,
+ server_password_option,
+ server_userpassword_option,
+ {group, dir_options},
+ ssh_connect_timeout,
+ ssh_connect_arg4_timeout,
+ ssh_daemon_minimal_remote_max_packet_size_option,
+ ssh_msg_debug_fun_option_client,
+ ssh_msg_debug_fun_option_server,
+ disconnectfun_option_server,
+ disconnectfun_option_client,
+ unexpectedfun_option_server,
+ unexpectedfun_option_client,
+ id_string_no_opt_client,
+ id_string_own_string_client,
+ id_string_random_client,
+ id_string_no_opt_server,
+ id_string_own_string_server,
+ id_string_random_server,
+ {group, hardening_tests}
+ ].
+
+groups() ->
+ [{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
+ ]},
+ {dir_options, [], [user_dir_option,
+ system_dir_option]}
+ ].
+
+
+%%--------------------------------------------------------------------
+init_per_suite(Config) ->
+ catch crypto:stop(),
+ case catch crypto:start() of
+ ok ->
+ Config;
+ _Else ->
+ {skip, "Crypto could not be started!"}
+ end.
+end_per_suite(_Config) ->
+ ssh:stop(),
+ crypto:stop().
+%%--------------------------------------------------------------------
+init_per_group(hardening_tests, Config) ->
+ DataDir = ?config(data_dir, Config),
+ PrivDir = ?config(priv_dir, Config),
+ ssh_test_lib:setup_dsa(DataDir, PrivDir),
+ Config;
+init_per_group(dir_options, Config) ->
+ PrivDir = ?config(priv_dir, Config),
+ %% Make unreadable dir:
+ Dir_unreadable = filename:join(PrivDir, "unread"),
+ ok = file:make_dir(Dir_unreadable),
+ {ok,F1} = file:read_file_info(Dir_unreadable),
+ ok = file:write_file_info(Dir_unreadable,
+ F1#file_info{mode = F1#file_info.mode band (bnot 8#00444)}),
+ %% Make readable file:
+ File_readable = filename:join(PrivDir, "file"),
+ ok = file:write_file(File_readable, <<>>),
+
+ %% Check:
+ case {file:read_file_info(Dir_unreadable),
+ file:read_file_info(File_readable)} of
+ {{ok, Id=#file_info{type=directory, access=Md}},
+ {ok, If=#file_info{type=regular, access=Mf}}} ->
+ AccessOK =
+ case {Md, Mf} of
+ {read, _} -> false;
+ {read_write, _} -> false;
+ {_, read} -> true;
+ {_, read_write} -> true;
+ _ -> false
+ end,
+
+ case AccessOK of
+ true ->
+ %% Save:
+ [{unreadable_dir, Dir_unreadable},
+ {readable_file, File_readable}
+ | Config];
+ false ->
+ ct:log("File#file_info : ~p~n"
+ "Dir#file_info : ~p",[If,Id]),
+ {skip, "File or dir mode settings failed"}
+ end;
+
+ NotDirFile ->
+ ct:log("{Dir,File} -> ~p",[NotDirFile]),
+ {skip, "File/Dir creation failed"}
+ end;
+init_per_group(_, Config) ->
+ Config.
+
+end_per_group(_, Config) ->
+ Config.
+%%--------------------------------------------------------------------
+init_per_testcase(_TestCase, Config) ->
+ ssh:start(),
+ Config.
+
+end_per_testcase(TestCase, Config) when TestCase == server_password_option;
+ TestCase == server_userpassword_option ->
+ UserDir = filename:join(?config(priv_dir, Config), nopubkey),
+ ssh_test_lib:del_dirs(UserDir),
+ end_per_testcase(Config);
+end_per_testcase(_TestCase, Config) ->
+ end_per_testcase(Config).
+
+end_per_testcase(_Config) ->
+ ssh:stop(),
+ ok.
+
+%%--------------------------------------------------------------------
+%% Test Cases --------------------------------------------------------
+%%--------------------------------------------------------------------
+%%--------------------------------------------------------------------
+
+%%% validate to server that uses the 'password' option
+server_password_option(Config) when is_list(Config) ->
+ PrivDir = ?config(priv_dir, Config),
+ UserDir = filename:join(PrivDir, nopubkey), % to make sure we don't use public-key-auth
+ file:make_dir(UserDir),
+ SysDir = ?config(data_dir, Config),
+ {Pid, Host, Port} = ssh_test_lib:daemon([{system_dir, SysDir},
+ {user_dir, UserDir},
+ {password, "morot"}]),
+
+ ConnectionRef =
+ ssh_test_lib:connect(Host, Port, [{silently_accept_hosts, true},
+ {user, "foo"},
+ {password, "morot"},
+ {user_interaction, false},
+ {user_dir, UserDir}]),
+
+ Reason = "Unable to connect using the available authentication methods",
+
+ {error, Reason} =
+ ssh:connect(Host, Port, [{silently_accept_hosts, true},
+ {user, "vego"},
+ {password, "foo"},
+ {user_interaction, false},
+ {user_dir, UserDir}]),
+
+ ct:log("Test of wrong password: Error msg: ~p ~n", [Reason]),
+
+ ssh:close(ConnectionRef),
+ ssh:stop_daemon(Pid).
+
+%%--------------------------------------------------------------------
+
+%%% validate to server that uses the 'password' option
+server_userpassword_option(Config) when is_list(Config) ->
+ PrivDir = ?config(priv_dir, Config),
+ UserDir = filename:join(PrivDir, nopubkey), % to make sure we don't use public-key-auth
+ file:make_dir(UserDir),
+ SysDir = ?config(data_dir, Config),
+ {Pid, Host, Port} = ssh_test_lib:daemon([{system_dir, SysDir},
+ {user_dir, PrivDir},
+ {user_passwords, [{"vego", "morot"}]}]),
+
+ ConnectionRef =
+ ssh_test_lib:connect(Host, Port, [{silently_accept_hosts, true},
+ {user, "vego"},
+ {password, "morot"},
+ {user_interaction, false},
+ {user_dir, UserDir}]),
+ ssh:close(ConnectionRef),
+
+ Reason = "Unable to connect using the available authentication methods",
+
+ {error, Reason} =
+ ssh:connect(Host, Port, [{silently_accept_hosts, true},
+ {user, "foo"},
+ {password, "morot"},
+ {user_interaction, false},
+ {user_dir, UserDir}]),
+ {error, Reason} =
+ ssh:connect(Host, Port, [{silently_accept_hosts, true},
+ {user, "vego"},
+ {password, "foo"},
+ {user_interaction, false},
+ {user_dir, UserDir}]),
+ ssh:stop_daemon(Pid).
+
+%%--------------------------------------------------------------------
+system_dir_option(Config) ->
+ DirUnread = proplists:get_value(unreadable_dir,Config),
+ FileRead = proplists:get_value(readable_file,Config),
+
+ case ssh_test_lib:daemon([{system_dir, DirUnread}]) of
+ {error,{eoptions,{{system_dir,DirUnread},eacces}}} ->
+ ok;
+ {Pid1,_Host1,Port1} when is_pid(Pid1),is_integer(Port1) ->
+ ssh:stop_daemon(Pid1),
+ ct:fail("Didn't detect that dir is unreadable", [])
+ end,
+
+ case ssh_test_lib:daemon([{system_dir, FileRead}]) of
+ {error,{eoptions,{{system_dir,FileRead},enotdir}}} ->
+ ok;
+ {Pid2,_Host2,Port2} when is_pid(Pid2),is_integer(Port2) ->
+ ssh:stop_daemon(Pid2),
+ ct:fail("Didn't detect that option is a plain file", [])
+ end.
+
+
+user_dir_option(Config) ->
+ DirUnread = proplists:get_value(unreadable_dir,Config),
+ FileRead = proplists:get_value(readable_file,Config),
+ %% Any port will do (beware, implementation knowledge!):
+ Port = 65535,
+
+ case ssh:connect("localhost", Port, [{user_dir, DirUnread}]) of
+ {error,{eoptions,{{user_dir,DirUnread},eacces}}} ->
+ ok;
+ {error,econnrefused} ->
+ ct:fail("Didn't detect that dir is unreadable", [])
+ end,
+
+ case ssh:connect("localhost", Port, [{user_dir, FileRead}]) of
+ {error,{eoptions,{{user_dir,FileRead},enotdir}}} ->
+ ok;
+ {error,econnrefused} ->
+ ct:fail("Didn't detect that option is a plain file", [])
+ end.
+
+%%--------------------------------------------------------------------
+%%% validate client that uses the 'ssh_msg_debug_fun' option
+ssh_msg_debug_fun_option_client(Config) ->
+ PrivDir = ?config(priv_dir, Config),
+ UserDir = filename:join(PrivDir, nopubkey), % to make sure we don't use public-key-auth
+ file:make_dir(UserDir),
+ SysDir = ?config(data_dir, Config),
+
+ {Pid, Host, Port} = ssh_test_lib:daemon([{system_dir, SysDir},
+ {user_dir, UserDir},
+ {password, "morot"},
+ {failfun, fun ssh_test_lib:failfun/2}]),
+ Parent = self(),
+ DbgFun = fun(ConnRef,Displ,Msg,Lang) -> Parent ! {msg_dbg,{ConnRef,Displ,Msg,Lang}} end,
+
+ ConnectionRef =
+ ssh_test_lib:connect(Host, Port, [{silently_accept_hosts, true},
+ {user, "foo"},
+ {password, "morot"},
+ {user_dir, UserDir},
+ {user_interaction, false},
+ {ssh_msg_debug_fun,DbgFun}]),
+ %% Beware, implementation knowledge:
+ gen_fsm:send_all_state_event(ConnectionRef,{ssh_msg_debug,false,<<"Hello">>,<<>>}),
+ receive
+ {msg_dbg,X={ConnectionRef,false,<<"Hello">>,<<>>}} ->
+ ct:log("Got expected dbg msg ~p",[X]),
+ ssh:stop_daemon(Pid);
+ {msg_dbg,X={_,false,<<"Hello">>,<<>>}} ->
+ ct:log("Got dbg msg but bad ConnectionRef (~p expected) ~p",[ConnectionRef,X]),
+ ssh:stop_daemon(Pid),
+ {fail, "Bad ConnectionRef received"};
+ {msg_dbg,X} ->
+ ct:log("Got bad dbg msg ~p",[X]),
+ ssh:stop_daemon(Pid),
+ {fail,"Bad msg received"}
+ after 1000 ->
+ ssh:stop_daemon(Pid),
+ {fail,timeout}
+ end.
+
+%%--------------------------------------------------------------------
+connectfun_disconnectfun_server(Config) ->
+ PrivDir = ?config(priv_dir, Config),
+ UserDir = filename:join(PrivDir, nopubkey), % to make sure we don't use public-key-auth
+ file:make_dir(UserDir),
+ SysDir = ?config(data_dir, Config),
+
+ Parent = self(),
+ Ref = make_ref(),
+ ConnFun = fun(_,_,_) -> Parent ! {connect,Ref} end,
+ DiscFun = fun(R) -> Parent ! {disconnect,Ref,R} end,
+
+ {Pid, Host, Port} = ssh_test_lib:daemon([{system_dir, SysDir},
+ {user_dir, UserDir},
+ {password, "morot"},
+ {failfun, fun ssh_test_lib:failfun/2},
+ {disconnectfun, DiscFun},
+ {connectfun, ConnFun}]),
+ ConnectionRef =
+ ssh_test_lib:connect(Host, Port, [{silently_accept_hosts, true},
+ {user, "foo"},
+ {password, "morot"},
+ {user_dir, UserDir},
+ {user_interaction, false}]),
+ receive
+ {connect,Ref} ->
+ ssh:close(ConnectionRef),
+ receive
+ {disconnect,Ref,R} ->
+ ct:log("Disconnect result: ~p",[R]),
+ ssh:stop_daemon(Pid)
+ after 2000 ->
+ {fail, "No disconnectfun action"}
+ end
+ after 2000 ->
+ {fail, "No connectfun action"}
+ end.
+
+%%--------------------------------------------------------------------
+connectfun_disconnectfun_client(Config) ->
+ PrivDir = ?config(priv_dir, Config),
+ UserDir = filename:join(PrivDir, nopubkey), % to make sure we don't use public-key-auth
+ file:make_dir(UserDir),
+ SysDir = ?config(data_dir, Config),
+
+ Parent = self(),
+ Ref = make_ref(),
+ DiscFun = fun(R) -> Parent ! {disconnect,Ref,R} end,
+
+ {Pid, Host, Port} = ssh_test_lib:daemon([{system_dir, SysDir},
+ {user_dir, UserDir},
+ {password, "morot"},
+ {failfun, fun ssh_test_lib:failfun/2}]),
+ _ConnectionRef =
+ ssh_test_lib:connect(Host, Port, [{silently_accept_hosts, true},
+ {user, "foo"},
+ {password, "morot"},
+ {user_dir, UserDir},
+ {disconnectfun, DiscFun},
+ {user_interaction, false}]),
+ ssh:stop_daemon(Pid),
+ receive
+ {disconnect,Ref,R} ->
+ ct:log("Disconnect result: ~p",[R])
+ after 2000 ->
+ {fail, "No disconnectfun action"}
+ end.
+
+%%--------------------------------------------------------------------
+%%% validate client that uses the 'ssh_msg_debug_fun' option
+ssh_msg_debug_fun_option_server(Config) ->
+ PrivDir = ?config(priv_dir, Config),
+ UserDir = filename:join(PrivDir, nopubkey), % to make sure we don't use public-key-auth
+ file:make_dir(UserDir),
+ SysDir = ?config(data_dir, Config),
+
+ Parent = self(),
+ DbgFun = fun(ConnRef,Displ,Msg,Lang) -> Parent ! {msg_dbg,{ConnRef,Displ,Msg,Lang}} end,
+ ConnFun = fun(_,_,_) -> Parent ! {connection_pid,self()} end,
+
+ {Pid, Host, Port} = ssh_test_lib:daemon([{system_dir, SysDir},
+ {user_dir, UserDir},
+ {password, "morot"},
+ {failfun, fun ssh_test_lib:failfun/2},
+ {connectfun, ConnFun},
+ {ssh_msg_debug_fun, DbgFun}]),
+ _ConnectionRef =
+ ssh_test_lib:connect(Host, Port, [{silently_accept_hosts, true},
+ {user, "foo"},
+ {password, "morot"},
+ {user_dir, UserDir},
+ {user_interaction, false}]),
+ receive
+ {connection_pid,Server} ->
+ %% Beware, implementation knowledge:
+ gen_fsm:send_all_state_event(Server,{ssh_msg_debug,false,<<"Hello">>,<<>>}),
+ receive
+ {msg_dbg,X={_,false,<<"Hello">>,<<>>}} ->
+ ct:log("Got expected dbg msg ~p",[X]),
+ ssh:stop_daemon(Pid);
+ {msg_dbg,X} ->
+ ct:log("Got bad dbg msg ~p",[X]),
+ ssh:stop_daemon(Pid),
+ {fail,"Bad msg received"}
+ after 3000 ->
+ ssh:stop_daemon(Pid),
+ {fail,timeout2}
+ end
+ after 3000 ->
+ ssh:stop_daemon(Pid),
+ {fail,timeout1}
+ end.
+
+%%--------------------------------------------------------------------
+disconnectfun_option_server(Config) ->
+ PrivDir = ?config(priv_dir, Config),
+ UserDir = filename:join(PrivDir, nopubkey), % to make sure we don't use public-key-auth
+ file:make_dir(UserDir),
+ SysDir = ?config(data_dir, Config),
+
+ Parent = self(),
+ DisConnFun = fun(Reason) -> Parent ! {disconnect,Reason} end,
+
+ {Pid, Host, Port} = ssh_test_lib:daemon([{system_dir, SysDir},
+ {user_dir, UserDir},
+ {password, "morot"},
+ {failfun, fun ssh_test_lib:failfun/2},
+ {disconnectfun, DisConnFun}]),
+ ConnectionRef =
+ ssh_test_lib:connect(Host, Port, [{silently_accept_hosts, true},
+ {user, "foo"},
+ {password, "morot"},
+ {user_dir, UserDir},
+ {user_interaction, false}]),
+ ssh:close(ConnectionRef),
+ receive
+ {disconnect,Reason} ->
+ ct:log("Server detected disconnect: ~p",[Reason]),
+ ssh:stop_daemon(Pid),
+ ok
+ after 3000 ->
+ receive
+ X -> ct:log("received ~p",[X])
+ after 0 -> ok
+ end,
+ {fail,"Timeout waiting for disconnect"}
+ end.
+
+%%--------------------------------------------------------------------
+disconnectfun_option_client(Config) ->
+ PrivDir = ?config(priv_dir, Config),
+ UserDir = filename:join(PrivDir, nopubkey), % to make sure we don't use public-key-auth
+ file:make_dir(UserDir),
+ SysDir = ?config(data_dir, Config),
+
+ Parent = self(),
+ DisConnFun = fun(Reason) -> Parent ! {disconnect,Reason} end,
+
+ {Pid, Host, Port} = ssh_test_lib:daemon([{system_dir, SysDir},
+ {user_dir, UserDir},
+ {password, "morot"},
+ {failfun, fun ssh_test_lib:failfun/2}]),
+ _ConnectionRef =
+ ssh_test_lib:connect(Host, Port, [{silently_accept_hosts, true},
+ {user, "foo"},
+ {password, "morot"},
+ {user_dir, UserDir},
+ {user_interaction, false},
+ {disconnectfun, DisConnFun}]),
+ ssh:stop_daemon(Pid),
+ receive
+ {disconnect,Reason} ->
+ ct:log("Client detected disconnect: ~p",[Reason]),
+ ok
+ after 3000 ->
+ receive
+ X -> ct:log("received ~p",[X])
+ after 0 -> ok
+ end,
+ {fail,"Timeout waiting for disconnect"}
+ end.
+
+%%--------------------------------------------------------------------
+unexpectedfun_option_server(Config) ->
+ PrivDir = ?config(priv_dir, Config),
+ UserDir = filename:join(PrivDir, nopubkey), % to make sure we don't use public-key-auth
+ file:make_dir(UserDir),
+ SysDir = ?config(data_dir, Config),
+
+ Parent = self(),
+ ConnFun = fun(_,_,_) -> Parent ! {connection_pid,self()} end,
+ UnexpFun = fun(Msg,Peer) ->
+ Parent ! {unexpected,Msg,Peer,self()},
+ skip
+ end,
+
+ {Pid, Host, Port} = ssh_test_lib:daemon([{system_dir, SysDir},
+ {user_dir, UserDir},
+ {password, "morot"},
+ {failfun, fun ssh_test_lib:failfun/2},
+ {connectfun, ConnFun},
+ {unexpectedfun, UnexpFun}]),
+ _ConnectionRef =
+ ssh_test_lib:connect(Host, Port, [{silently_accept_hosts, true},
+ {user, "foo"},
+ {password, "morot"},
+ {user_dir, UserDir},
+ {user_interaction, false}]),
+ receive
+ {connection_pid,Server} ->
+ %% Beware, implementation knowledge:
+ Server ! unexpected_message,
+ receive
+ {unexpected, unexpected_message, {{_,_,_,_},_}, _} -> ok;
+ {unexpected, unexpected_message, Peer, _} -> ct:fail("Bad peer ~p",[Peer]);
+ M = {unexpected, _, _, _} -> ct:fail("Bad msg ~p",[M])
+ after 3000 ->
+ ssh:stop_daemon(Pid),
+ {fail,timeout2}
+ end
+ after 3000 ->
+ ssh:stop_daemon(Pid),
+ {fail,timeout1}
+ end.
+
+%%--------------------------------------------------------------------
+unexpectedfun_option_client(Config) ->
+ PrivDir = ?config(priv_dir, Config),
+ UserDir = filename:join(PrivDir, nopubkey), % to make sure we don't use public-key-auth
+ file:make_dir(UserDir),
+ SysDir = ?config(data_dir, Config),
+
+ Parent = self(),
+ UnexpFun = fun(Msg,Peer) ->
+ Parent ! {unexpected,Msg,Peer,self()},
+ skip
+ end,
+
+ {Pid, Host, Port} = ssh_test_lib:daemon([{system_dir, SysDir},
+ {user_dir, UserDir},
+ {password, "morot"},
+ {failfun, fun ssh_test_lib:failfun/2}]),
+ ConnectionRef =
+ ssh_test_lib:connect(Host, Port, [{silently_accept_hosts, true},
+ {user, "foo"},
+ {password, "morot"},
+ {user_dir, UserDir},
+ {user_interaction, false},
+ {unexpectedfun, UnexpFun}]),
+ %% Beware, implementation knowledge:
+ ConnectionRef ! unexpected_message,
+
+ receive
+ {unexpected, unexpected_message, {{_,_,_,_},_}, ConnectionRef} ->
+ ok;
+ {unexpected, unexpected_message, Peer, ConnectionRef} ->
+ ct:fail("Bad peer ~p",[Peer]);
+ M = {unexpected, _, _, _} ->
+ ct:fail("Bad msg ~p",[M])
+ after 3000 ->
+ ssh:stop_daemon(Pid),
+ {fail,timeout}
+ end.
+
+%%--------------------------------------------------------------------
+%%% Test connect_timeout option in ssh:connect/4
+ssh_connect_timeout(_Config) ->
+ ConnTimeout = 2000,
+ {error,{faked_transport,connect,TimeoutToTransport}} =
+ ssh:connect("localhost", 12345,
+ [{transport,{tcp,?MODULE,tcp_closed}},
+ {connect_timeout,ConnTimeout}],
+ 1000),
+ case TimeoutToTransport of
+ ConnTimeout -> ok;
+ Other ->
+ ct:log("connect_timeout is ~p but transport received ~p",[ConnTimeout,Other]),
+ {fail,"ssh:connect/4 wrong connect_timeout received in transport"}
+ end.
+
+%% Plugin function for the test above
+connect(_Host, _Port, _Opts, Timeout) ->
+ {error, {faked_transport,connect,Timeout}}.
+
+%%--------------------------------------------------------------------
+%%% Test fourth argument in ssh:connect/4
+ssh_connect_arg4_timeout(_Config) ->
+ Timeout = 1000,
+ Parent = self(),
+ %% start the server
+ Server = spawn(fun() ->
+ {ok,Sl} = gen_tcp:listen(0,[]),
+ {ok,{_,Port}} = inet:sockname(Sl),
+ Parent ! {port,self(),Port},
+ Rsa = gen_tcp:accept(Sl),
+ ct:log("Server gen_tcp:accept got ~p",[Rsa]),
+ receive after 2*Timeout -> ok end %% let client timeout first
+ end),
+
+ %% Get listening port
+ Port = receive
+ {port,Server,ServerPort} -> ServerPort
+ end,
+
+ %% try to connect with a timeout, but "supervise" it
+ Client = spawn(fun() ->
+ T0 = erlang:monotonic_time(),
+ Rc = ssh:connect("localhost",Port,[],Timeout),
+ ct:log("Client ssh:connect got ~p",[Rc]),
+ Parent ! {done,self(),Rc,T0}
+ end),
+
+ %% Wait for client reaction on the connection try:
+ receive
+ {done, Client, {error,timeout}, T0} ->
+ Msp = ms_passed(T0),
+ exit(Server,hasta_la_vista___baby),
+ Low = 0.9*Timeout,
+ High = 2.5*Timeout,
+ ct:log("Timeout limits: ~.4f - ~.4f ms, timeout "
+ "was ~.4f ms, expected ~p ms",[Low,High,Msp,Timeout]),
+ if
+ Low<Msp, Msp<High -> ok;
+ true -> {fail, "timeout not within limits"}
+ end;
+
+ {done, Client, {error,Other}, _T0} ->
+ ct:log("Error message \"~p\" from the client is unexpected.",[{error,Other}]),
+ {fail, "Unexpected error message"};
+
+ {done, Client, {ok,_Ref}, _T0} ->
+ {fail,"ssh-connected ???"}
+ after
+ 5000 ->
+ exit(Server,hasta_la_vista___baby),
+ exit(Client,hasta_la_vista___baby),
+ {fail, "Didn't timeout"}
+ end.
+
+%% Help function, elapsed milliseconds since T0
+ms_passed(T0) ->
+ %% OTP 18
+ erlang:convert_time_unit(erlang:monotonic_time() - T0,
+ native,
+ micro_seconds) / 1000.
+
+%%--------------------------------------------------------------------
+ssh_daemon_minimal_remote_max_packet_size_option(Config) ->
+ SystemDir = ?config(data_dir, Config),
+ PrivDir = ?config(priv_dir, Config),
+ UserDir = filename:join(PrivDir, nopubkey), % to make sure we don't use public-key-auth
+ file:make_dir(UserDir),
+
+ {Server, Host, Port} = ssh_test_lib:daemon([{system_dir, SystemDir},
+ {user_dir, UserDir},
+ {user_passwords, [{"vego", "morot"}]},
+ {failfun, fun ssh_test_lib:failfun/2},
+ {minimal_remote_max_packet_size, 14}]),
+ Conn =
+ ssh_test_lib:connect(Host, Port, [{silently_accept_hosts, true},
+ {user_dir, UserDir},
+ {user_interaction, false},
+ {user, "vego"},
+ {password, "morot"}]),
+
+ %% Try the limits of the minimal_remote_max_packet_size:
+ {ok, _ChannelId} = ssh_connection:session_channel(Conn, 100, 14, infinity),
+ {open_error,_,"Maximum packet size below 14 not supported",_} =
+ ssh_connection:session_channel(Conn, 100, 13, infinity),
+
+ ssh:close(Conn),
+ ssh:stop_daemon(Server).
+
+%%--------------------------------------------------------------------
+%% This test try every algorithm by connecting to an Erlang server
+id_string_no_opt_client(Config) ->
+ {Server, _Host, Port} = fake_daemon(Config),
+ {error,_} = ssh:connect("localhost", Port, [], 1000),
+ receive
+ {id,Server,"SSH-2.0-Erlang/"++Vsn} ->
+ true = expected_ssh_vsn(Vsn);
+ {id,Server,Other} ->
+ ct:fail("Unexpected id: ~s.",[Other])
+ after 5000 ->
+ {fail,timeout}
+ end.
+
+%%--------------------------------------------------------------------
+id_string_own_string_client(Config) ->
+ {Server, _Host, Port} = fake_daemon(Config),
+ {error,_} = ssh:connect("localhost", Port, [{id_string,"Pelle"}], 1000),
+ receive
+ {id,Server,"SSH-2.0-Pelle\r\n"} ->
+ ok;
+ {id,Server,Other} ->
+ ct:fail("Unexpected id: ~s.",[Other])
+ after 5000 ->
+ {fail,timeout}
+ end.
+
+%%--------------------------------------------------------------------
+id_string_random_client(Config) ->
+ {Server, _Host, Port} = fake_daemon(Config),
+ {error,_} = ssh:connect("localhost", Port, [{id_string,random}], 1000),
+ receive
+ {id,Server,Id="SSH-2.0-Erlang"++_} ->
+ ct:fail("Unexpected id: ~s.",[Id]);
+ {id,Server,Rnd="SSH-2.0-"++_} ->
+ ct:log("Got correct ~s",[Rnd]);
+ {id,Server,Id} ->
+ ct:fail("Unexpected id: ~s.",[Id])
+ after 5000 ->
+ {fail,timeout}
+ end.
+
+%%--------------------------------------------------------------------
+id_string_no_opt_server(Config) ->
+ {_Server, Host, Port} = ssh_test_lib:std_daemon(Config, []),
+ {ok,S1}=gen_tcp:connect(Host,Port,[{active,false},{packet,line}]),
+ {ok,"SSH-2.0-Erlang/"++Vsn} = gen_tcp:recv(S1, 0, 2000),
+ true = expected_ssh_vsn(Vsn).
+
+%%--------------------------------------------------------------------
+id_string_own_string_server(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,"SSH-2.0-Olle\r\n"} = gen_tcp:recv(S1, 0, 2000).
+
+%%--------------------------------------------------------------------
+id_string_random_server(Config) ->
+ {_Server, Host, Port} = ssh_test_lib:std_daemon(Config, [{id_string,random}]),
+ {ok,S1}=gen_tcp:connect(Host,Port,[{active,false},{packet,line}]),
+ {ok,"SSH-2.0-"++Rnd} = gen_tcp:recv(S1, 0, 2000),
+ case Rnd of
+ "Erlang"++_ -> ct:log("Id=~p",[Rnd]),
+ {fail,got_default_id};
+ "Olle\r\n" -> {fail,got_previous_tests_value};
+ _ -> ct:log("Got ~s.",[Rnd])
+ end.
+
+%%--------------------------------------------------------------------
+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, []),
+
+ Factor = 2,
+ ct:log("And now sleeping ~p*NegTimeOut (~p ms)...", [Factor, round(Factor * NegTimeOut)]),
+ ct:sleep(round(Factor * NegTimeOut)),
+
+ case inet:sockname(Socket) of
+ {ok,_} -> ct:fail("Socket not closed");
+ {error,_} -> ok
+ end.
+
+%%--------------------------------------------------------------------
+%%% 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).
+
+%%% 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:log("~p Listen ~p:~p",[_Pid,_Host,Port]),
+ ct:sleep(500),
+
+ IO = ssh_test_lib:start_io_server(),
+ Shell = ssh_test_lib:start_shell(Port, IO, UserDir),
+ receive
+ Error = {'EXIT', _, _} ->
+ ct:log("~p",[Error]),
+ ct:fail(no_ssh_connection);
+ ErlShellStart ->
+ ct:log("---Erlang shell start: ~p~n", [ErlShellStart]),
+ one_shell_op(IO, NegTimeOut),
+ one_shell_op(IO, NegTimeOut),
+
+ Factor = 2,
+ ct:log("And now sleeping ~p*NegTimeOut (~p ms)...", [Factor, round(Factor * NegTimeOut)]),
+ ct:sleep(round(Factor * NegTimeOut)),
+
+ one_shell_op(IO, NegTimeOut)
+ end,
+ exit(Shell, kill).
+
+
+one_shell_op(IO, TimeOut) ->
+ ct:log("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.
+
+%%--------------------------------------------------------------------
+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, Connect0) when is_function(Connect0,2) ->
+ Connect = fun(Host,Port) ->
+ R = Connect0(Host,Port),
+ ct:log("Connect(~p,~p) -> ~p",[Host,Port,R]),
+ R
+ end,
+ SystemDir = filename:join(?config(priv_dir, Config), system),
+ UserDir = ?config(priv_dir, Config),
+ MaxSessions = 5,
+ {Pid, Host, Port} = ssh_test_lib:daemon([
+ {system_dir, SystemDir},
+ {user_dir, UserDir},
+ {user_passwords, [{"carni", "meat"}]},
+ {parallel_login, ParallelLogin},
+ {max_sessions, MaxSessions}
+ ]),
+ ct:log("~p Listen ~p:~p for max ~p sessions",[Pid,Host,Port,MaxSessions]),
+ try [Connect(Host,Port) || _ <- lists:seq(1,MaxSessions)]
+ of
+ Connections ->
+ %% Step 1 ok: could set up max_sessions connections
+ ct:log("Connections up: ~p",[Connections]),
+ [_|_] = Connections,
+
+ %% Now try one more than alowed:
+ ct:log("Info Report might come here...",[]),
+ try Connect(Host,Port)
+ of
+ _ConnectionRef1 ->
+ ssh:stop_daemon(Pid),
+ {fail,"Too many connections accepted"}
+ catch
+ error:{badmatch,{error,"Connection closed"}} ->
+ %% 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)),
+ receive after 250 -> ok end, % sleep so the supervisor has time to count down. Not nice...
+ 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"}} ->
+ ssh:stop_daemon(Pid),
+ {fail,"Too few connections accepted"}
+ end.
+
+%%--------------------------------------------------------------------
+%% Internal functions ------------------------------------------------
+%%--------------------------------------------------------------------
+
+expected_ssh_vsn(Str) ->
+ try
+ {ok,L} = application:get_all_key(ssh),
+ proplists:get_value(vsn,L,"")++"\r\n"
+ of
+ Str -> true;
+ "\r\n" -> true;
+ _ -> false
+ catch
+ _:_ -> true %% ssh not started so we dont't know
+ end.
+
+
+fake_daemon(_Config) ->
+ Parent = self(),
+ %% start the server
+ Server = spawn(fun() ->
+ {ok,Sl} = gen_tcp:listen(0,[{packet,line}]),
+ {ok,{Host,Port}} = inet:sockname(Sl),
+ ct:log("fake_daemon listening on ~p:~p~n",[Host,Port]),
+ Parent ! {sockname,self(),Host,Port},
+ Rsa = gen_tcp:accept(Sl),
+ ct:log("Server gen_tcp:accept got ~p",[Rsa]),
+ {ok,S} = Rsa,
+ receive
+ {tcp, S, Id} -> Parent ! {id,self(),Id}
+ end
+ end),
+ %% Get listening host and port
+ receive
+ {sockname,Server,ServerHost,ServerPort} -> {Server, ServerHost, ServerPort}
+ end.