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Diffstat (limited to 'lib/ssh/test/ssh_protocol_SUITE.erl')
| -rw-r--r-- | lib/ssh/test/ssh_protocol_SUITE.erl | 705 |
1 files changed, 705 insertions, 0 deletions
diff --git a/lib/ssh/test/ssh_protocol_SUITE.erl b/lib/ssh/test/ssh_protocol_SUITE.erl new file mode 100644 index 0000000000..44da0f4d6f --- /dev/null +++ b/lib/ssh/test/ssh_protocol_SUITE.erl @@ -0,0 +1,705 @@ +%% +%% %CopyrightBegin% +%% +%% Copyright Ericsson AB 2008-2015. All Rights Reserved. +%% +%% The contents of this file are subject to the Erlang Public License, +%% Version 1.1, (the "License"); you may not use this file except in +%% compliance with the License. You should have received a copy of the +%% Erlang Public License along with this software. If not, it can be +%% retrieved online at http://www.erlang.org/. +%% +%% Software distributed under the License is distributed on an "AS IS" +%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See +%% the License for the specific language governing rights and limitations +%% under the License. +%% +%% %CopyrightEnd% +%% + +%% + +-module(ssh_protocol_SUITE). + +-include_lib("common_test/include/ct.hrl"). +-include_lib("kernel/include/inet.hrl"). +-include_lib("ssh/src/ssh.hrl"). % ?UINT32, ?BYTE, #ssh{} ... +-include_lib("ssh/src/ssh_transport.hrl"). +-include_lib("ssh/src/ssh_auth.hrl"). + +%% Note: This directive should only be used in test suites. +-compile(export_all). + +-define(NEWLINE, <<"\r\n">>). +-define(REKEY_DATA_TMO, 65000). + +-define(v(Key, Config), proplists:get_value(Key, Config)). +-define(v(Key, Config, Default), proplists:get_value(Key, Config, Default)). + + +%%-------------------------------------------------------------------- +%% Common Test interface functions ----------------------------------- +%%-------------------------------------------------------------------- + +suite() -> + [{ct_hooks,[ts_install_cth]}, + {timetrap,{minutes,2}}]. + +all() -> + [{group,tool_tests}, + {group,kex}, + {group,service_requests}, + {group,authentication}, + {group,packet_size_error}, + {group,field_size_error} + ]. + +groups() -> + [{tool_tests, [], [lib_works_as_client, + lib_works_as_server, + lib_match, + lib_no_match + ]}, + {packet_size_error, [], [packet_length_too_large, + packet_length_too_short]}, + + {field_size_error, [], [service_name_length_too_large, + service_name_length_too_short]}, + + {kex, [], [no_common_alg_server_disconnects, + no_common_alg_client_disconnects, + gex_client_init_option_groups, + gex_server_gex_limit, + gex_client_init_option_groups_moduli_file, + gex_client_init_option_groups_file, + gex_client_old_request_exact, + gex_client_old_request_noexact + ]}, + {service_requests, [], [bad_service_name, + bad_long_service_name, + bad_very_long_service_name, + empty_service_name, + bad_service_name_then_correct + ]}, + {authentication, [], [client_handles_keyboard_interactive_0_pwds + ]} + ]. + + +init_per_suite(Config) -> + start_std_daemon( setup_dirs( start_apps(Config))). + +end_per_suite(Config) -> + stop_apps(Config). + + + +init_per_testcase(no_common_alg_server_disconnects, Config) -> + start_std_daemon(Config, [{preferred_algorithms,[{public_key,['ssh-rsa']}]}]); + +init_per_testcase(TC, Config) when TC == gex_client_init_option_groups ; + TC == gex_client_init_option_groups_moduli_file ; + TC == gex_client_init_option_groups_file ; + TC == gex_server_gex_limit ; + TC == gex_client_old_request_exact ; + TC == gex_client_old_request_noexact -> + Opts = case TC of + gex_client_init_option_groups -> + [{dh_gex_groups, [{2345, 3, 41}]}]; + gex_client_init_option_groups_file -> + DataDir = ?config(data_dir, Config), + F = filename:join(DataDir, "dh_group_test"), + [{dh_gex_groups, {file,F}}]; + gex_client_init_option_groups_moduli_file -> + DataDir = ?config(data_dir, Config), + F = filename:join(DataDir, "dh_group_test.moduli"), + [{dh_gex_groups, {ssh_moduli_file,F}}]; + _ when TC == gex_server_gex_limit ; + TC == gex_client_old_request_exact ; + TC == gex_client_old_request_noexact -> + [{dh_gex_groups, [{ 500, 3, 17}, + {1000, 7, 91}, + {3000, 5, 61}]}, + {dh_gex_limits,{500,1500}} + ]; + _ -> + [] + end, + start_std_daemon(Config, + [{preferred_algorithms, ssh:default_algorithms()} + | Opts]); +init_per_testcase(_TestCase, Config) -> + check_std_daemon_works(Config, ?LINE). + +end_per_testcase(no_common_alg_server_disconnects, Config) -> + stop_std_daemon(Config); +end_per_testcase(TC, Config) when TC == gex_client_init_option_groups ; + TC == gex_client_init_option_groups_moduli_file ; + TC == gex_client_init_option_groups_file ; + TC == gex_server_gex_limit ; + TC == gex_client_old_request_exact ; + TC == gex_client_old_request_noexact -> + stop_std_daemon(Config); +end_per_testcase(_TestCase, Config) -> + check_std_daemon_works(Config, ?LINE). + +%%%-------------------------------------------------------------------- +%%% Test Cases -------------------------------------------------------- +%%%-------------------------------------------------------------------- + +%%%-------------------------------------------------------------------- +%%% Connect to an erlang server and check that the testlib acts as a client. +lib_works_as_client(Config) -> + %% Connect and negotiate keys + {ok,InitialState} = ssh_trpt_test_lib:exec( + [{set_options, [print_ops, print_seqnums, print_messages]}] + ), + {ok,AfterKexState} = connect_and_kex(Config, InitialState), + + %% Do the authentcation + {User,Pwd} = server_user_password(Config), + {ok,EndState} = + ssh_trpt_test_lib:exec( + [{send, #ssh_msg_service_request{name = "ssh-userauth"}}, + {match, #ssh_msg_service_accept{name = "ssh-userauth"}, receive_msg}, + {send, #ssh_msg_userauth_request{user = User, + service = "ssh-connection", + method = "password", + data = <<?BOOLEAN(?FALSE), + ?STRING(unicode:characters_to_binary(Pwd))>> + }}, + {match, #ssh_msg_userauth_success{_='_'}, receive_msg} + ], AfterKexState), + + %% Disconnect + {ok,_} = + ssh_trpt_test_lib:exec( + [{send, #ssh_msg_disconnect{code = ?SSH_DISCONNECT_BY_APPLICATION, + description = "End of the fun", + language = "" + }}, + close_socket + ], EndState). + + +%%-------------------------------------------------------------------- +%%% Connect an erlang client and check that the testlib can act as a server. +lib_works_as_server(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), + + %% Start a process handling one connection on the server side: + spawn_link( + fun() -> + {ok,_} = + ssh_trpt_test_lib:exec( + [{set_options, [print_ops, print_messages]}, + {accept, [{system_dir, system_dir(Config)}, + {user_dir, user_dir(Config)}]}, + receive_hello, + {send, hello}, + + {send, ssh_msg_kexinit}, + {match, #ssh_msg_kexinit{_='_'}, receive_msg}, + + {match, #ssh_msg_kexdh_init{_='_'}, receive_msg}, + {send, ssh_msg_kexdh_reply}, + + {send, #ssh_msg_newkeys{}}, + {match, #ssh_msg_newkeys{_='_'}, receive_msg}, + + {match, #ssh_msg_service_request{name="ssh-userauth"}, receive_msg}, + {send, #ssh_msg_service_accept{name="ssh-userauth"}}, + + {match, #ssh_msg_userauth_request{service="ssh-connection", + method="none", + user=User, + _='_'}, receive_msg}, + + {send, #ssh_msg_userauth_failure{authentications = "password", + partial_success = false}}, + + {match, #ssh_msg_userauth_request{service="ssh-connection", + method="password", + user=User, + _='_'}, receive_msg}, + {send, #ssh_msg_userauth_success{}}, + close_socket, + print_state + ], + InitialState) + end), + + %% and finally connect to it with a regular Erlang SSH client: + {ok,_} = std_connect(HostPort, Config, + [{preferred_algorithms,[{kex,['diffie-hellman-group1-sha1']}]}] + ). + +%%-------------------------------------------------------------------- +%%% Matching +lib_match(_Config) -> + {ok,_} = + ssh_trpt_test_lib:exec([{set_options, [print_ops]}, + {match, abc, abc}, + {match, '$a', {cde,fgh}}, + {match, {cde,fgh}, '$a'}, + {match, '_', {cde,fgh}}, + {match, [a,'$a',b], [a,{cde,fgh},b]}, + {match, [a,'$a'|'$b'], [a,{cde,fgh},b,c]}, + {match, '$b', [b,c]} + ]). + +%%-------------------------------------------------------------------- +%%% Not matching +lib_no_match(_Config) -> + case ssh_trpt_test_lib:exec([{set_options, [print_ops]}, + {match, '$x', b}, + {match, a, '$x'}]) + of + {ok,_} -> {fail,"Unexpected match"}; + {error, {_Op,{expected,a,b},_State}} -> ok + end. + +%%-------------------------------------------------------------------- +%%% Algo negotiation fail. This should result in a ssh_msg_disconnect +%%% being sent from the server. +no_common_alg_server_disconnects(Config) -> + {ok,_} = + ssh_trpt_test_lib:exec( + [{set_options, [print_ops, {print_messages,detail}]}, + {connect, + server_host(Config),server_port(Config), + [{silently_accept_hosts, true}, + {user_dir, user_dir(Config)}, + {user_interaction, false}, + {preferred_algorithms,[{public_key,['ssh-dss']}]} + ]}, + receive_hello, + {send, hello}, + {match, #ssh_msg_kexinit{_='_'}, receive_msg}, + {send, ssh_msg_kexinit}, % with server unsupported 'ssh-dss' ! + {match, disconnect(), receive_msg} + ] + ). + +%%-------------------------------------------------------------------- +%%% Algo negotiation fail. This should result in a ssh_msg_disconnect +%%% being sent from the client. +no_common_alg_client_disconnects(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), + Parent = self(), + + %% Start a process handling one connection on the server side: + Pid = + spawn_link( + fun() -> + Parent ! + {result,self(), + ssh_trpt_test_lib:exec( + [{set_options, [print_ops, {print_messages,detail}]}, + {accept, [{system_dir, system_dir(Config)}, + {user_dir, user_dir(Config)}]}, + receive_hello, + {send, hello}, + {match, #ssh_msg_kexinit{_='_'}, receive_msg}, + {send, #ssh_msg_kexinit{ % with unsupported "SOME-UNSUPPORTED" + cookie = 247381486335508958743193106082599558706, + kex_algorithms = ["diffie-hellman-group1-sha1"], + server_host_key_algorithms = ["SOME-UNSUPPORTED"], % SIC! + encryption_algorithms_client_to_server = ["aes128-ctr"], + encryption_algorithms_server_to_client = ["aes128-ctr"], + mac_algorithms_client_to_server = ["hmac-sha2-256"], + mac_algorithms_server_to_client = ["hmac-sha2-256"], + compression_algorithms_client_to_server = ["none"], + compression_algorithms_server_to_client = ["none"], + languages_client_to_server = [], + languages_server_to_client = [], + first_kex_packet_follows = false, + reserved = 0 + }}, + {match, disconnect(?SSH_DISCONNECT_KEY_EXCHANGE_FAILED), receive_msg} + ], + InitialState) + } + end), + + %% and finally connect to it with a regular Erlang SSH client + %% which of course does not support SOME-UNSUPPORTED as pub key algo: + Result = std_connect(HostPort, Config, [{preferred_algorithms,[{public_key,['ssh-dss']}]}]), + ct:log("Result of connect is ~p",[Result]), + + receive + {result,Pid,{ok,_}} -> + ok; + {result,Pid,{error,{Op,ExecResult,S}}} -> + ct:log("ERROR!~nOp = ~p~nExecResult = ~p~nState =~n~s", + [Op,ExecResult,ssh_trpt_test_lib:format_msg(S)]), + {fail, ExecResult}; + X -> + ct:log("¤¤¤¤¤"), + ct:fail(X) + after + 30000 -> ct:fail("timeout ~p:~p",[?MODULE,?LINE]) + end. + +%%%-------------------------------------------------------------------- +gex_client_init_option_groups(Config) -> + do_gex_client_init(Config, {2000, 2048, 4000}, + {3,41}). + +gex_client_init_option_groups_file(Config) -> + do_gex_client_init(Config, {2000, 2048, 4000}, + {5,61}). + +gex_client_init_option_groups_moduli_file(Config) -> + do_gex_client_init(Config, {2000, 2048, 4000}, + {5,16#B7}). + +gex_server_gex_limit(Config) -> + do_gex_client_init(Config, {1000, 3000, 4000}, + {7,91}). + + +do_gex_client_init(Config, {Min,N,Max}, {G,P}) -> + {ok,_} = + ssh_trpt_test_lib:exec( + [{set_options, [print_ops, print_seqnums, print_messages]}, + {connect, + server_host(Config),server_port(Config), + [{silently_accept_hosts, true}, + {user_dir, user_dir(Config)}, + {user_interaction, false}, + {preferred_algorithms,[{kex,['diffie-hellman-group-exchange-sha1']}]} + ]}, + receive_hello, + {send, hello}, + {send, ssh_msg_kexinit}, + {match, #ssh_msg_kexinit{_='_'}, receive_msg}, + {send, #ssh_msg_kex_dh_gex_request{min = Min, + n = N, + max = Max}}, + {match, #ssh_msg_kex_dh_gex_group{p=P, g=G, _='_'}, receive_msg} + ] + ). + +%%%-------------------------------------------------------------------- +gex_client_old_request_exact(Config) -> do_gex_client_init_old(Config, 500, {3,17}). +gex_client_old_request_noexact(Config) -> do_gex_client_init_old(Config, 800, {7,91}). + +do_gex_client_init_old(Config, N, {G,P}) -> + {ok,_} = + ssh_trpt_test_lib:exec( + [{set_options, [print_ops, print_seqnums, print_messages]}, + {connect, + server_host(Config),server_port(Config), + [{silently_accept_hosts, true}, + {user_dir, user_dir(Config)}, + {user_interaction, false}, + {preferred_algorithms,[{kex,['diffie-hellman-group-exchange-sha1']}]} + ]}, + receive_hello, + {send, hello}, + {send, ssh_msg_kexinit}, + {match, #ssh_msg_kexinit{_='_'}, receive_msg}, + {send, #ssh_msg_kex_dh_gex_request_old{n = N}}, + {match, #ssh_msg_kex_dh_gex_group{p=P, g=G, _='_'}, receive_msg} + ] + ). + +%%%-------------------------------------------------------------------- +bad_service_name(Config) -> + bad_service_name(Config, "kfglkjf"). + +bad_long_service_name(Config) -> + bad_service_name(Config, + lists:duplicate(?SSH_MAX_PACKET_SIZE div 2, $a)). + +bad_very_long_service_name(Config) -> + bad_service_name(Config, + lists:duplicate(4*?SSH_MAX_PACKET_SIZE, $a)). + +empty_service_name(Config) -> + bad_service_name(Config, ""). + +bad_service_name_then_correct(Config) -> + {ok,InitialState} = connect_and_kex(Config), + {ok,_} = + ssh_trpt_test_lib:exec( + [{set_options, [print_ops, print_seqnums, print_messages]}, + {send, #ssh_msg_service_request{name = "kdjglkfdjgkldfjglkdfjglkfdjglkj"}}, + {send, #ssh_msg_service_request{name = "ssh-connection"}}, + {match, disconnect(), receive_msg} + ], InitialState). + + +bad_service_name(Config, Name) -> + {ok,InitialState} = connect_and_kex(Config), + {ok,_} = + ssh_trpt_test_lib:exec( + [{set_options, [print_ops, print_seqnums, print_messages]}, + {send, #ssh_msg_service_request{name = Name}}, + {match, disconnect(), receive_msg} + ], InitialState). + +%%%-------------------------------------------------------------------- +packet_length_too_large(Config) -> bad_packet_length(Config, +4). + +packet_length_too_short(Config) -> bad_packet_length(Config, -4). + +bad_packet_length(Config, LengthExcess) -> + PacketFun = + fun(Msg, Ssh) -> + BinMsg = ssh_message:encode(Msg), + ssh_transport:pack(BinMsg, Ssh, LengthExcess) + end, + {ok,InitialState} = connect_and_kex(Config), + {ok,_} = + ssh_trpt_test_lib:exec( + [{set_options, [print_ops, print_seqnums, print_messages]}, + {send, {special, + #ssh_msg_service_request{name="ssh-userauth"}, + PacketFun}}, + %% Prohibit remote decoder starvation: + {send, #ssh_msg_service_request{name="ssh-userauth"}}, + {match, disconnect(), receive_msg} + ], InitialState). + +%%%-------------------------------------------------------------------- +service_name_length_too_large(Config) -> bad_service_name_length(Config, +4). + +service_name_length_too_short(Config) -> bad_service_name_length(Config, -4). + + +bad_service_name_length(Config, LengthExcess) -> + PacketFun = + fun(#ssh_msg_service_request{name=Service}, Ssh) -> + BinName = list_to_binary(Service), + BinMsg = + <<?BYTE(?SSH_MSG_SERVICE_REQUEST), + %% A bad string encoding of Service: + ?UINT32(size(BinName)+LengthExcess), BinName/binary + >>, + ssh_transport:pack(BinMsg, Ssh) + end, + {ok,InitialState} = connect_and_kex(Config), + {ok,_} = + ssh_trpt_test_lib:exec( + [{set_options, [print_ops, print_seqnums, print_messages]}, + {send, {special, + #ssh_msg_service_request{name="ssh-userauth"}, + PacketFun} }, + %% Prohibit remote decoder starvation: + {send, #ssh_msg_service_request{name="ssh-userauth"}}, + {match, disconnect(), receive_msg} + ], InitialState). + +%%%-------------------------------------------------------------------- +%%% This is due to a fault report (OTP-13255) with OpenSSH-6.6.1 +client_handles_keyboard_interactive_0_pwds(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), + + %% Start a process handling one connection on the server side: + spawn_link( + fun() -> + {ok,_} = + ssh_trpt_test_lib:exec( + [{set_options, [print_ops, print_messages]}, + {accept, [{system_dir, system_dir(Config)}, + {user_dir, user_dir(Config)}]}, + receive_hello, + {send, hello}, + + {send, ssh_msg_kexinit}, + {match, #ssh_msg_kexinit{_='_'}, receive_msg}, + + {match, #ssh_msg_kexdh_init{_='_'}, receive_msg}, + {send, ssh_msg_kexdh_reply}, + + {send, #ssh_msg_newkeys{}}, + {match, #ssh_msg_newkeys{_='_'}, receive_msg}, + + {match, #ssh_msg_service_request{name="ssh-userauth"}, receive_msg}, + {send, #ssh_msg_service_accept{name="ssh-userauth"}}, + + {match, #ssh_msg_userauth_request{service="ssh-connection", + method="none", + user=User, + _='_'}, receive_msg}, + {send, #ssh_msg_userauth_failure{authentications = "keyboard-interactive", + partial_success = false}}, + + {match, #ssh_msg_userauth_request{service="ssh-connection", + method="keyboard-interactive", + user=User, + _='_'}, receive_msg}, + {send, #ssh_msg_userauth_info_request{name = "", + instruction = "", + language_tag = "", + num_prompts = 1, + data = <<0,0,0,10,80,97,115,115,119,111,114,100,58,32,0>> + }}, + {match, #ssh_msg_userauth_info_response{num_responses = 1, + _='_'}, receive_msg}, + + %% the next is strange, but openssh 6.6.1 does this and this is what this testcase is about + {send, #ssh_msg_userauth_info_request{name = "", + instruction = "", + language_tag = "", + num_prompts = 0, + data = <<>> + }}, + {match, #ssh_msg_userauth_info_response{num_responses = 0, + data = <<>>, + _='_'}, receive_msg}, + %% Here we know that the tested fault is fixed + {send, #ssh_msg_userauth_success{}}, + close_socket, + print_state + ], + InitialState) + end), + + %% and finally connect to it with a regular Erlang SSH client: + {ok,_} = std_connect(HostPort, Config, + [{preferred_algorithms,[{kex,['diffie-hellman-group1-sha1']}]}] + ). + + +%%%================================================================ +%%%==== Internal functions ======================================== +%%%================================================================ + +%%%---- init_suite and end_suite --------------------------------------- +start_apps(Config) -> + catch ssh:stop(), + ok = ssh:start(), + Config. + +stop_apps(_Config) -> + ssh:stop(). + + +setup_dirs(Config) -> + DataDir = ?config(data_dir, Config), + PrivDir = ?config(priv_dir, Config), + ssh_test_lib:setup_rsa(DataDir, PrivDir), + Config. + +system_dir(Config) -> filename:join(?config(priv_dir, Config), system). + +user_dir(Config) -> ?config(priv_dir, Config). + +%%%---------------------------------------------------------------- +start_std_daemon(Config) -> + start_std_daemon(Config, []). + +start_std_daemon(Config, ExtraOpts) -> + PrivDir = ?config(priv_dir, Config), + UserDir = filename:join(PrivDir, nopubkey), % to make sure we don't use public-key-auth + file:make_dir(UserDir), + UserPasswords = [{"user1","pwd1"}], + Options = [%%{preferred_algorithms,[{public_key,['ssh-rsa']}]}, %% For some test cases + {system_dir, system_dir(Config)}, + {user_dir, UserDir}, + {user_passwords, UserPasswords}, + {failfun, fun ssh_test_lib:failfun/2} + | ExtraOpts], + Ref = {Server, Host, Port} = ssh_test_lib:daemon(Options), + ct:log("Std server ~p started at ~p:~p~nOptions=~p",[Server, Host, Port, Options]), + [{server,Ref}, {user_passwords, UserPasswords} | Config]. + + +stop_std_daemon(Config) -> + ssh:stop_daemon(server_pid(Config)), + ct:log("Std server ~p at ~p:~p stopped", [server_pid(Config), server_host(Config), server_port(Config)]), + lists:keydelete(server, 1, Config). + + +check_std_daemon_works(Config, Line) -> + case std_connect(Config) of + {ok,C} -> + ct:log("Server ~p:~p ~p is ok at line ~p", + [server_host(Config), server_port(Config), + server_pid(Config), Line]), + ok = ssh:close(C), + Config; + Error = {error,_} -> + ct:fail("Standard server ~p:~p ~p is ill at line ~p: ~p", + [server_host(Config), server_port(Config), + server_pid(Config), Line, Error]) + end. + +server_pid(Config) -> element(1,?v(server,Config)). +server_host(Config) -> element(2,?v(server,Config)). +server_port(Config) -> element(3,?v(server,Config)). + +server_user_password(Config) -> server_user_password(1, Config). + +server_user_password(N, Config) -> lists:nth(N, ?v(user_passwords,Config)). + + +std_connect(Config) -> + std_connect({server_host(Config), server_port(Config)}, Config). + +std_connect({Host,Port}, Config) -> + std_connect({Host,Port}, Config, []). + +std_connect({Host,Port}, Config, Opts) -> + std_connect(Host, Port, Config, Opts). + +std_connect(Host, Port, Config, Opts) -> + {User,Pwd} = server_user_password(Config), + ssh:connect(Host, Port, + %% Prefere User's Opts to the default opts + [O || O = {Tag,_} <- [{user,User},{password,Pwd}, + {silently_accept_hosts, true}, + {user_dir, user_dir(Config)}, + {user_interaction, false}], + not lists:keymember(Tag, 1, Opts) + ] ++ Opts, + 30000). + +%%%---------------------------------------------------------------- +connect_and_kex(Config) -> + connect_and_kex(Config, ssh_trpt_test_lib:exec([]) ). + +connect_and_kex(Config, InitialState) -> + ssh_trpt_test_lib:exec( + [{connect, + server_host(Config),server_port(Config), + [{preferred_algorithms,[{kex,['diffie-hellman-group1-sha1']}]}, + {silently_accept_hosts, true}, + {user_dir, user_dir(Config)}, + {user_interaction, false}]}, + receive_hello, + {send, hello}, + {send, ssh_msg_kexinit}, + {match, #ssh_msg_kexinit{_='_'}, receive_msg}, + {send, ssh_msg_kexdh_init}, + {match,# ssh_msg_kexdh_reply{_='_'}, receive_msg}, + {send, #ssh_msg_newkeys{}}, + {match, #ssh_msg_newkeys{_='_'}, receive_msg} + ], + InitialState). + +%%%---------------------------------------------------------------- + +%%% For matching peer disconnection +disconnect() -> + disconnect('_'). + +disconnect(Code) -> + {'or',[#ssh_msg_disconnect{code = Code, + _='_'}, + tcp_closed, + {tcp_error,econnaborted} + ]}. |