diff options
Diffstat (limited to 'lib/ssh')
-rw-r--r-- | lib/ssh/doc/src/ssh.xml | 6 | ||||
-rw-r--r-- | lib/ssh/src/ssh.appup.src | 54 | ||||
-rw-r--r-- | lib/ssh/src/ssh.erl | 5 | ||||
-rw-r--r-- | lib/ssh/src/ssh_acceptor.erl | 4 | ||||
-rw-r--r-- | lib/ssh/src/ssh_connection.erl | 216 | ||||
-rw-r--r-- | lib/ssh/src/ssh_connection_handler.erl | 11 | ||||
-rw-r--r-- | lib/ssh/src/ssh_info.erl | 146 | ||||
-rw-r--r-- | lib/ssh/test/ssh_basic_SUITE.erl | 62 | ||||
-rw-r--r-- | lib/ssh/vsn.mk | 3 |
9 files changed, 287 insertions, 220 deletions
diff --git a/lib/ssh/doc/src/ssh.xml b/lib/ssh/doc/src/ssh.xml index d481a75c9a..0e7e3848ad 100644 --- a/lib/ssh/doc/src/ssh.xml +++ b/lib/ssh/doc/src/ssh.xml @@ -338,6 +338,12 @@ </warning> </item> + <tag><c><![CDATA[{minimal_remote_max_packet_size, non_negative_integer()}]]></c></tag> + <item> + <p>The least maximum packet size that the daemon will accept in channel open requests from the client. The default value is 0. + </p> + </item> + <tag><c><![CDATA[{key_cb, atom()}]]></c></tag> <item> <p>Module implementing the behaviour <seealso marker="ssh_server_key_api">ssh_server_key_api</seealso>. diff --git a/lib/ssh/src/ssh.appup.src b/lib/ssh/src/ssh.appup.src index b2b2994eed..e76c110c04 100644 --- a/lib/ssh/src/ssh.appup.src +++ b/lib/ssh/src/ssh.appup.src @@ -1,7 +1,7 @@ %% -*- erlang -*- %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2004-2014. All Rights Reserved. +%% Copyright Ericsson AB 2004-2015. 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 @@ -19,61 +19,9 @@ {"%VSN%", [ - {"3.0.8", [{load_module, ssh_connection, soft_purge, soft_purge, [ssh_connection_handler]}, - {load_module, ssh_sftp, soft_purge, soft_purge, [ssh_xfer]}, - {load_module, ssh_connection_handler, soft_purge, soft_purge, []}, - {load_module, ssh, soft_purge, soft_purge, [ssh_connection_handler]}, - {load_module, ssh_xfer, soft_purge, soft_purge, []} - ]}, - {"3.0.7", [{load_module, ssh_auth, soft_purge, soft_purge, [ssh_connection_handler]}, - {load_module, ssh_acceptor, soft_purge, soft_purge, [ssh_connection_handler]}, - {load_module, ssh_channel, soft_purge, soft_purge, [ssh_connection_handler]}, - {load_module, ssh_connection, soft_purge, soft_purge, [ssh_connection_handler]}, - {load_module, ssh_connection_handler, soft_purge, soft_purge, []}, - {load_module, ssh_info, soft_purge, soft_purge, []}, - {load_module, ssh_message, soft_purge, soft_purge, [ssh_connection_handler]}, - {load_module, ssh_io, soft_purge, soft_purge, [ssh_connection_handler]}, - {load_module, ssh_sftp, soft_purge, soft_purge, [ssh_connection_handler]}, - {load_module, ssh_xfer, soft_purge, soft_purge, [ssh_connection_handler]}]}, - {"3.0.6", [{load_module, ssh_auth, soft_purge, soft_purge, [ssh_connection_handler]}, - {load_module, ssh_acceptor, soft_purge, soft_purge, [ssh_connection_handler]}, - {load_module, ssh_channel, soft_purge, soft_purge, [ssh_connection_handler]}, - {load_module, ssh_connection, soft_purge, soft_purge, [ssh_connection_handler]}, - {load_module, ssh_connection_handler, soft_purge, soft_purge, []}, - {load_module, ssh_info, soft_purge, soft_purge, []}, - {load_module, ssh_message, soft_purge, soft_purge, [ssh_connection_handler]}, - {load_module, ssh_io, soft_purge, soft_purge, [ssh_connection_handler]}, - {load_module, ssh_sftp, soft_purge, soft_purge, [ssh_connection_handler]}, - {load_module, ssh_xfer, soft_purge, soft_purge, [ssh_connection_handler]}]}, {<<".*">>, [{restart_application, ssh}]} ], [ - {"3.0.8", [{load_module, ssh_connection, soft_purge, soft_purge, [ssh_connection_handler]}, - {load_module, ssh_sftp, soft_purge, soft_purge, []}, - {load_module, ssh_connection_handler, soft_purge, soft_purge, []}, - {load_module, ssh, soft_purge, soft_purge, []}, - {load_module, ssh_xfer, soft_purge, soft_purge, []} - ]}, - {"3.0.7", [{load_module, ssh_auth, soft_purge, soft_purge, [ssh_connection_handler]}, - {load_module, ssh_acceptor, soft_purge, soft_purge, [ssh_connection_handler]}, - {load_module, ssh_channel, soft_purge, soft_purge, [ssh_connection_handler]}, - {load_module, ssh_connection, soft_purge, soft_purge, [ssh_connection_handler]}, - {load_module, ssh_connection_handler, soft_purge, soft_purge, []}, - {load_module, ssh_info, soft_purge, soft_purge, []}, - {load_module, ssh_message, soft_purge, soft_purge, [ssh_connection_handler]}, - {load_module, ssh_io, soft_purge, soft_purge, [ssh_connection_handler]}, - {load_module, ssh_sftp, soft_purge, soft_purge, [ssh_connection_handler]}, - {load_module, ssh_xfer, soft_purge, soft_purge, [ssh_connection_handler]}]}, - {"3.0.6", [{load_module, ssh_auth, soft_purge, soft_purge, [ssh_connection_handler]}, - {load_module, ssh_acceptor, soft_purge, soft_purge, [ssh_connection_handler]}, - {load_module, ssh_channel, soft_purge, soft_purge, [ssh_connection_handler]}, - {load_module, ssh_connection, soft_purge, soft_purge, [ssh_connection_handler]}, - {load_module, ssh_connection_handler, soft_purge, soft_purge, []}, - {load_module, ssh_info, soft_purge, soft_purge, []}, - {load_module, ssh_message, soft_purge, soft_purge, [ssh_connection_handler]}, - {load_module, ssh_io, soft_purge, soft_purge, [ssh_connection_handler]}, - {load_module, ssh_sftp, soft_purge, soft_purge, [ssh_connection_handler]}, - {load_module, ssh_xfer, soft_purge, soft_purge, [ssh_connection_handler]}]}, {<<".*">>, [{restart_application, ssh}]} ] }. diff --git a/lib/ssh/src/ssh.erl b/lib/ssh/src/ssh.erl index eae33e3683..51ad691ba2 100644 --- a/lib/ssh/src/ssh.erl +++ b/lib/ssh/src/ssh.erl @@ -345,9 +345,14 @@ handle_option([{parallel_login, _} = Opt|Rest], SocketOptions, SshOptions) -> handle_option(Rest, SocketOptions, [handle_ssh_option(Opt) | SshOptions]); handle_option([parallel_login|Rest], SocketOptions, SshOptions) -> handle_option(Rest, SocketOptions, [handle_ssh_option({parallel_login,true}) | SshOptions]); +handle_option([{minimal_remote_max_packet_size, _} = Opt|Rest], SocketOptions, SshOptions) -> + handle_option(Rest, SocketOptions, [handle_ssh_option(Opt) | SshOptions]); handle_option([Opt | Rest], SocketOptions, SshOptions) -> handle_option(Rest, [handle_inet_option(Opt) | SocketOptions], SshOptions). + +handle_ssh_option({minimal_remote_max_packet_size, Value} = Opt) when is_integer(Value), Value >=0 -> + Opt; handle_ssh_option({system_dir, Value} = Opt) when is_list(Value) -> Opt; handle_ssh_option({user_dir, Value} = Opt) when is_list(Value) -> diff --git a/lib/ssh/src/ssh_acceptor.erl b/lib/ssh/src/ssh_acceptor.erl index 6c443eeb9c..34988f17b6 100644 --- a/lib/ssh/src/ssh_acceptor.erl +++ b/lib/ssh/src/ssh_acceptor.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2008-2013. All Rights Reserved. +%% 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 @@ -43,7 +43,7 @@ start_link(Port, Address, SockOpts, Opts, AcceptTimeout) -> acceptor_init(Parent, Port, Address, SockOpts, Opts, AcceptTimeout) -> {_, Callback, _} = proplists:get_value(transport, Opts, {tcp, gen_tcp, tcp_closed}), - case (catch do_socket_listen(Callback, Port, SockOpts)) of + case (catch do_socket_listen(Callback, Port, [{active, false} | SockOpts])) of {ok, ListenSocket} -> proc_lib:init_ack(Parent, {ok, self()}), acceptor_loop(Callback, diff --git a/lib/ssh/src/ssh_connection.erl b/lib/ssh/src/ssh_connection.erl index c66f810948..654b9d4bde 100644 --- a/lib/ssh/src/ssh_connection.erl +++ b/lib/ssh/src/ssh_connection.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2008-2014. All Rights Reserved. +%% 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 @@ -326,9 +326,7 @@ channel_data(ChannelId, DataType, Data, SendDataType, SendData)} end, SendList), - FlowCtrlMsgs = flow_control(Replies, - Channel, - Cache), + FlowCtrlMsgs = flow_control(Replies, Channel, Cache), {{replies, Replies ++ FlowCtrlMsgs}, Connection}; _ -> gen_fsm:reply(From, {error, closed}), @@ -470,18 +468,31 @@ handle_msg(#ssh_msg_channel_window_adjust{recipient_channel = ChannelId, handle_msg(#ssh_msg_channel_open{channel_type = "session" = Type, sender_channel = RemoteId, initial_window_size = WindowSz, - maximum_packet_size = PacketSz}, Connection0, server) -> - - try setup_session(Connection0, RemoteId, - Type, WindowSz, PacketSz) of - Result -> - Result - catch _:_ -> + maximum_packet_size = PacketSz}, + #connection{options = SSHopts} = Connection0, + server) -> + MinAcceptedPackSz = proplists:get_value(minimal_remote_max_packet_size, SSHopts, 0), + + if + MinAcceptedPackSz =< PacketSz -> + try setup_session(Connection0, RemoteId, + Type, WindowSz, PacketSz) of + Result -> + Result + catch _:_ -> + FailMsg = channel_open_failure_msg(RemoteId, + ?SSH_OPEN_CONNECT_FAILED, + "Connection refused", "en"), + {{replies, [{connection_reply, FailMsg}]}, + Connection0} + end; + + MinAcceptedPackSz > PacketSz -> FailMsg = channel_open_failure_msg(RemoteId, - ?SSH_OPEN_CONNECT_FAILED, - "Connection refused", "en"), - {{replies, [{connection_reply, FailMsg}]}, - Connection0} + ?SSH_OPEN_ADMINISTRATIVELY_PROHIBITED, + lists:concat(["Maximum packet size below ",MinAcceptedPackSz, + " not supported"]), "en"), + {{replies, [{connection_reply, FailMsg}]}, Connection0} end; handle_msg(#ssh_msg_channel_open{channel_type = "session", @@ -501,41 +512,57 @@ handle_msg(#ssh_msg_channel_open{channel_type = "forwarded-tcpip" = Type, initial_window_size = RWindowSz, maximum_packet_size = RPacketSz, data = Data}, - #connection{channel_cache = Cache} = Connection0, server) -> + #connection{channel_cache = Cache, + options = SSHopts} = Connection0, server) -> <<?UINT32(ALen), Address:ALen/binary, ?UINT32(Port), ?UINT32(OLen), Orig:OLen/binary, ?UINT32(OrigPort)>> = Data, - case bound_channel(Address, Port, Connection0) of - undefined -> + MinAcceptedPackSz = proplists:get_value(minimal_remote_max_packet_size, SSHopts, 0), + + if + MinAcceptedPackSz =< RPacketSz -> + case bound_channel(Address, Port, Connection0) of + undefined -> + FailMsg = channel_open_failure_msg(RemoteId, + ?SSH_OPEN_CONNECT_FAILED, + "Connection refused", "en"), + {{replies, + [{connection_reply, FailMsg}]}, Connection0}; + ChannelPid -> + {ChannelId, Connection1} = new_channel_id(Connection0), + LWindowSz = ?DEFAULT_WINDOW_SIZE, + LPacketSz = ?DEFAULT_PACKET_SIZE, + Channel = #channel{type = Type, + sys = "none", + user = ChannelPid, + local_id = ChannelId, + recv_window_size = LWindowSz, + recv_packet_size = LPacketSz, + send_window_size = RWindowSz, + send_packet_size = RPacketSz, + send_buf = queue:new() + }, + ssh_channel:cache_update(Cache, Channel), + OpenConfMsg = channel_open_confirmation_msg(RemoteId, ChannelId, + LWindowSz, LPacketSz), + {OpenMsg, Connection} = + reply_msg(Channel, Connection1, + {open, Channel, {forwarded_tcpip, + decode_ip(Address), Port, + decode_ip(Orig), OrigPort}}), + {{replies, [{connection_reply, OpenConfMsg}, + OpenMsg]}, Connection} + end; + + MinAcceptedPackSz > RPacketSz -> FailMsg = channel_open_failure_msg(RemoteId, - ?SSH_OPEN_CONNECT_FAILED, - "Connection refused", "en"), - {{replies, - [{connection_reply, FailMsg}]}, Connection0}; - ChannelPid -> - {ChannelId, Connection1} = new_channel_id(Connection0), - LWindowSz = ?DEFAULT_WINDOW_SIZE, - LPacketSz = ?DEFAULT_PACKET_SIZE, - Channel = #channel{type = Type, - sys = "none", - user = ChannelPid, - local_id = ChannelId, - recv_window_size = LWindowSz, - recv_packet_size = LPacketSz, - send_window_size = RWindowSz, - send_packet_size = RPacketSz}, - ssh_channel:cache_update(Cache, Channel), - OpenConfMsg = channel_open_confirmation_msg(RemoteId, ChannelId, - LWindowSz, LPacketSz), - {OpenMsg, Connection} = - reply_msg(Channel, Connection1, - {open, Channel, {forwarded_tcpip, - decode_ip(Address), Port, - decode_ip(Orig), OrigPort}}), - {{replies, [{connection_reply, OpenConfMsg}, - OpenMsg]}, Connection} + ?SSH_OPEN_ADMINISTRATIVELY_PROHIBITED, + lists:concat(["Maximum packet size below ",MinAcceptedPackSz, + " not supported"]), "en"), + {{replies, [{connection_reply, FailMsg}]}, Connection0} end; + handle_msg(#ssh_msg_channel_open{channel_type = "forwarded-tcpip", sender_channel = RemoteId}, Connection, client) -> @@ -917,7 +944,8 @@ start_channel(Cb, Id, Args, SubSysSup, Exec) -> %%-------------------------------------------------------------------- %%% Internal functions %%-------------------------------------------------------------------- -setup_session(#connection{channel_cache = Cache} = Connection0, +setup_session(#connection{channel_cache = Cache + } = Connection0, RemoteId, Type, WindowSize, PacketSize) -> {ChannelId, Connection} = new_channel_id(Connection0), @@ -929,6 +957,7 @@ setup_session(#connection{channel_cache = Cache} = Connection0, recv_packet_size = ?DEFAULT_PACKET_SIZE, send_window_size = WindowSize, send_packet_size = PacketSize, + send_buf = queue:new(), remote_id = RemoteId }, ssh_channel:cache_update(Cache, Channel), @@ -1024,63 +1053,74 @@ request_reply_or_data(#channel{local_id = ChannelId, user = ChannelPid}, update_send_window(Channel, _, undefined, #connection{channel_cache = Cache}) -> - do_update_send_window(Channel, Channel#channel.send_buf, Cache); + do_update_send_window(Channel, Cache); -update_send_window(Channel, DataType, Data, +update_send_window(#channel{send_buf = SendBuffer} = Channel, DataType, Data, #connection{channel_cache = Cache}) -> - do_update_send_window(Channel, Channel#channel.send_buf ++ [{DataType, Data}], Cache). - -do_update_send_window(Channel0, Buf0, Cache) -> - {Buf1, NewSz, Buf2} = get_window(Buf0, - Channel0#channel.send_packet_size, - Channel0#channel.send_window_size), + do_update_send_window(Channel#channel{send_buf = queue:in({DataType, Data}, SendBuffer)}, + Cache). - Channel = Channel0#channel{send_window_size = NewSz, send_buf = Buf2}, +do_update_send_window(Channel0, Cache) -> + {SendMsgs, Channel} = get_window(Channel0, []), ssh_channel:cache_update(Cache, Channel), - {Buf1, Channel}. - -get_window(Bs, PSz, WSz) -> - get_window(Bs, PSz, WSz, []). - -get_window(Bs, _PSz, 0, Acc) -> - {lists:reverse(Acc), 0, Bs}; -get_window([B0 = {DataType, Bin} | Bs], PSz, WSz, Acc) -> - BSz = size(Bin), - if BSz =< WSz -> %% will fit into window - if BSz =< PSz -> %% will fit into a packet - get_window(Bs, PSz, WSz-BSz, [B0|Acc]); - true -> %% split into packet size - <<Bin1:PSz/binary, Bin2/binary>> = Bin, - get_window([setelement(2, B0, Bin2) | Bs], - PSz, WSz-PSz, - [{DataType, Bin1}|Acc]) + {SendMsgs, Channel}. + +get_window(#channel{send_window_size = 0 + } = Channel, Acc) -> + {lists:reverse(Acc), Channel}; +get_window(#channel{send_packet_size = 0 + } = Channel, Acc) -> + {lists:reverse(Acc), Channel}; +get_window(#channel{send_buf = Buffer, + send_packet_size = PacketSize, + send_window_size = WindowSize0 + } = Channel, Acc0) -> + case queue:out(Buffer) of + {{value, {_, Data} = Msg}, NewBuffer} -> + case handle_send_window(Msg, size(Data), PacketSize, WindowSize0, Acc0) of + {WindowSize, Acc, {_, <<>>}} -> + {lists:reverse(Acc), Channel#channel{send_window_size = WindowSize, + send_buf = NewBuffer}}; + {WindowSize, Acc, Rest} -> + get_window(Channel#channel{send_window_size = WindowSize, + send_buf = queue:in_r(Rest, NewBuffer)}, Acc) end; - WSz =< PSz -> %% use rest of window - <<Bin1:WSz/binary, Bin2/binary>> = Bin, - get_window([setelement(2, B0, Bin2) | Bs], - PSz, WSz-WSz, - [{DataType, Bin1}|Acc]); - true -> %% use packet size - <<Bin1:PSz/binary, Bin2/binary>> = Bin, - get_window([setelement(2, B0, Bin2) | Bs], - PSz, WSz-PSz, - [{DataType, Bin1}|Acc]) + {empty, NewBuffer} -> + {[], Channel#channel{send_buf = NewBuffer}} + end. + +handle_send_window(Msg = {Type, Data}, Size, PacketSize, WindowSize, Acc) when Size =< WindowSize -> + case Size =< PacketSize of + true -> + {WindowSize - Size, [Msg | Acc], {Type, <<>>}}; + false -> + <<Msg1:PacketSize/binary, Msg2/binary>> = Data, + {WindowSize - PacketSize, [{Type, Msg1} | Acc], {Type, Msg2}} end; -get_window([], _PSz, WSz, Acc) -> - {lists:reverse(Acc), WSz, []}. +handle_send_window({Type, Data}, _, PacketSize, WindowSize, Acc) when WindowSize =< PacketSize -> + <<Msg1:WindowSize/binary, Msg2/binary>> = Data, + {WindowSize - WindowSize, [{Type, Msg1} | Acc], {Type, Msg2}}; +handle_send_window({Type, Data}, _, PacketSize, WindowSize, Acc) -> + <<Msg1:PacketSize/binary, Msg2/binary>> = Data, + {WindowSize - PacketSize, [{Type, Msg1} | Acc], {Type, Msg2}}. flow_control(Channel, Cache) -> flow_control([window_adjusted], Channel, Cache). - + flow_control([], Channel, Cache) -> ssh_channel:cache_update(Cache, Channel), []; - flow_control([_|_], #channel{flow_control = From, - send_buf = []} = Channel, Cache) when From =/= undefined -> - [{flow_control, Cache, Channel, From, ok}]; + send_buf = Buffer} = Channel, Cache) when From =/= undefined -> + case queue:is_empty(Buffer) of + true -> + ssh_channel:cache_update(Cache, Channel#channel{flow_control = undefined}), + [{flow_control, Cache, Channel, From, ok}]; + false -> + [] + end; flow_control(_,_,_) -> - []. + []. pty_req(ConnectionHandler, Channel, Term, Width, Height, PixWidth, PixHeight, PtyOpts, TimeOut) -> diff --git a/lib/ssh/src/ssh_connection_handler.erl b/lib/ssh/src/ssh_connection_handler.erl index 68523aa72b..e1f2e059e8 100644 --- a/lib/ssh/src/ssh_connection_handler.erl +++ b/lib/ssh/src/ssh_connection_handler.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2008-2014. All Rights Reserved. +%% 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 @@ -751,7 +751,9 @@ handle_sync_event({open, ChannelPid, Type, InitialWindowSize, MaxPacketSize, Dat user = ChannelPid, local_id = ChannelId, recv_window_size = InitialWindowSize, - recv_packet_size = MaxPacketSize}, + recv_packet_size = MaxPacketSize, + send_buf = queue:new() + }, ssh_channel:cache_update(Cache, Channel), State = add_request(true, ChannelId, From, State2), start_timeout(ChannelId, From, Timeout), @@ -1241,10 +1243,9 @@ event(Event, StateName, State) -> handle_disconnect(DisconnectMsg, State); throw:{ErrorToDisplay, #ssh_msg_disconnect{} = DisconnectMsg} -> handle_disconnect(DisconnectMsg, State, ErrorToDisplay); - _:Error -> - log_error(Error), + _:_ -> handle_disconnect(#ssh_msg_disconnect{code = error_code(StateName), - description = "Internal error", + description = "Invalid state", language = "en"}, State) end. error_code(key_exchange) -> diff --git a/lib/ssh/src/ssh_info.erl b/lib/ssh/src/ssh_info.erl index 9a91875894..30df32c4fd 100644 --- a/lib/ssh/src/ssh_info.erl +++ b/lib/ssh/src/ssh_info.erl @@ -27,18 +27,21 @@ -compile(export_all). print() -> + print(user). + +print(D) -> try supervisor:which_children(ssh_sup) of _ -> - io:nl(), - print_general(), - io:nl(), - underline("Client part", $=), - print_clients(), - io:nl(), - underline("Server part", $=), - print_servers(), - io:nl(), + io:nl(D), + print_general(D), + io:nl(D), + underline(D, "Client part", $=), + print_clients(D), + io:nl(D), + underline(D, "Server part", $=), + print_servers(D), + io:nl(D), %% case os:type() of %% {unix,_} -> %% io:nl(), @@ -50,90 +53,95 @@ print() -> %% catch io:format(os:cmd("netstat -tpn")); %% _ -> ok %% end, - underline("Supervisors", $=), - walk_sups(ssh_sup), - io:nl() + underline(D, "Supervisors", $=), + walk_sups(D, ssh_sup), + io:nl(D) catch _:_ -> - io:format("Ssh not found~n",[]) + io:format(D,"Ssh not found~n",[]) end. %%%================================================================ -print_general() -> +print_general(D) -> {_Name, Slogan, Ver} = lists:keyfind(ssh,1,application:which_applications()), - underline(io_lib:format("~s ~s", [Slogan, Ver]), $=), - io:format('This printout is generated ~s. ~n',[datetime()]). + underline(D, io_lib:format("~s ~s", [Slogan, Ver]), $=), + io:format(D, 'This printout is generated ~s. ~n',[datetime()]). %%%================================================================ -print_clients() -> +print_clients(D) -> + PrintClient = fun(X) -> print_client(D,X) end, try - lists:foreach(fun print_client/1, supervisor:which_children(sshc_sup)) + lists:foreach(PrintClient, supervisor:which_children(sshc_sup)) catch C:E -> - io:format('***FAILED: ~p:~p~n',[C,E]) + io:format(D, '***FAILED: ~p:~p~n',[C,E]) end. -print_client({undefined,Pid,supervisor,[ssh_connection_handler]}) -> +print_client(D, {undefined,Pid,supervisor,[ssh_connection_handler]}) -> {{Local,Remote},_Str} = ssh_connection_handler:get_print_info(Pid), - io:format(" Local=~s Remote=~s~n",[fmt_host_port(Local),fmt_host_port(Remote)]); -print_client(Other) -> - io:format(" [[Other 1: ~p]]~n",[Other]). + io:format(D, " Local=~s Remote=~s~n",[fmt_host_port(Local),fmt_host_port(Remote)]); +print_client(D, Other) -> + io:format(D, " [[Other 1: ~p]]~n",[Other]). %%%================================================================ -print_servers() -> +print_servers(D) -> + PrintServer = fun(X) -> print_server(D,X) end, try - lists:foreach(fun print_server/1, supervisor:which_children(sshd_sup)) + lists:foreach(PrintServer, supervisor:which_children(sshd_sup)) catch C:E -> - io:format('***FAILED: ~p:~p~n',[C,E]) + io:format(D, '***FAILED: ~p:~p~n',[C,E]) end. -print_server({{server,ssh_system_sup,LocalHost,LocalPort},Pid,supervisor,[ssh_system_sup]}) when is_pid(Pid) -> - io:format('Local=~s (~p children)~n',[fmt_host_port({LocalHost,LocalPort}), - ssh_acceptor:number_of_connections(Pid)]), - lists:foreach(fun print_system_sup/1, supervisor:which_children(Pid)); -print_server(Other) -> - io:format(" [[Other 2: ~p]]~n",[Other]). +print_server(D, {{server,ssh_system_sup,LocalHost,LocalPort},Pid,supervisor,[ssh_system_sup]}) when is_pid(Pid) -> + io:format(D, 'Local=~s (~p children)~n',[fmt_host_port({LocalHost,LocalPort}), + ssh_acceptor:number_of_connections(Pid)]), + PrintSystemSup = fun(X) -> print_system_sup(D,X) end, + lists:foreach(PrintSystemSup, supervisor:which_children(Pid)); +print_server(D, Other) -> + io:format(D, " [[Other 2: ~p]]~n",[Other]). -print_system_sup({Ref,Pid,supervisor,[ssh_subsystem_sup]}) when is_reference(Ref), +print_system_sup(D, {Ref,Pid,supervisor,[ssh_subsystem_sup]}) when is_reference(Ref), is_pid(Pid) -> - lists:foreach(fun print_channels/1, supervisor:which_children(Pid)); -print_system_sup({{ssh_acceptor_sup,LocalHost,LocalPort}, Pid,supervisor, [ssh_acceptor_sup]}) when is_pid(Pid) -> - io:format(" [Acceptor for ~s]~n",[fmt_host_port({LocalHost,LocalPort})]); -print_system_sup(Other) -> - io:format(" [[Other 3: ~p]]~n",[Other]). - -print_channels({{server,ssh_channel_sup,_,_},Pid,supervisor,[ssh_channel_sup]}) when is_pid(Pid) -> - lists:foreach(fun print_channel/1, supervisor:which_children(Pid)); -print_channels(Other) -> - io:format(" [[Other 4: ~p]]~n",[Other]). - - -print_channel({Ref,Pid,worker,[ssh_channel]}) when is_reference(Ref), - is_pid(Pid) -> + PrintChannels = fun(X) -> print_channels(D,X) end, + lists:foreach(PrintChannels, supervisor:which_children(Pid)); +print_system_sup(D, {{ssh_acceptor_sup,LocalHost,LocalPort}, Pid,supervisor, [ssh_acceptor_sup]}) when is_pid(Pid) -> + io:format(D, " [Acceptor for ~s]~n",[fmt_host_port({LocalHost,LocalPort})]); +print_system_sup(D, Other) -> + io:format(D, " [[Other 3: ~p]]~n",[Other]). + +print_channels(D, {{server,ssh_channel_sup,_,_},Pid,supervisor,[ssh_channel_sup]}) when is_pid(Pid) -> + PrintChannel = fun(X) -> print_channel(D,X) end, + lists:foreach(PrintChannel, supervisor:which_children(Pid)); +print_channels(D, Other) -> + io:format(D, " [[Other 4: ~p]]~n",[Other]). + + +print_channel(D, {Ref,Pid,worker,[ssh_channel]}) when is_reference(Ref), + is_pid(Pid) -> {{ConnManager,ChannelID}, Str} = ssh_channel:get_print_info(Pid), {{Local,Remote},StrM} = ssh_connection_handler:get_print_info(ConnManager), - io:format(' ch ~p: ~s ~s',[ChannelID, StrM, Str]), - io:format(" Local=~s Remote=~s~n",[fmt_host_port(Local),fmt_host_port(Remote)]); -print_channel(Other) -> - io:format(" [[Other 5: ~p]]~n",[Other]). + io:format(D, ' ch ~p: ~s ~s',[ChannelID, StrM, Str]), + io:format(D, " Local=~s Remote=~s~n",[fmt_host_port(Local),fmt_host_port(Remote)]); +print_channel(D, Other) -> + io:format(D, " [[Other 5: ~p]]~n",[Other]). %%%================================================================ -define(inc(N), (N+4)). -walk_sups(StartPid) -> - io:format("Start at ~p, ~s.~n",[StartPid,dead_or_alive(StartPid)]), - walk_sups(children(StartPid), _Indent=?inc(0)). +walk_sups(D, StartPid) -> + io:format(D, "Start at ~p, ~s.~n",[StartPid,dead_or_alive(StartPid)]), + walk_sups(D, children(StartPid), _Indent=?inc(0)). -walk_sups([H={_,Pid,SupOrWorker,_}|T], Indent) -> - indent(Indent), io:format('~200p ~p is ~s~n',[H,Pid,dead_or_alive(Pid)]), +walk_sups(D, [H={_,Pid,SupOrWorker,_}|T], Indent) -> + indent(D, Indent), io:format(D, '~200p ~p is ~s~n',[H,Pid,dead_or_alive(Pid)]), case SupOrWorker of - supervisor -> walk_sups(children(Pid), ?inc(Indent)); + supervisor -> walk_sups(D, children(Pid), ?inc(Indent)); _ -> ok end, - walk_sups(T, Indent); -walk_sups([], _) -> + walk_sups(D, T, Indent); +walk_sups(_D, [], _) -> ok. dead_or_alive(Name) when is_atom(Name) -> @@ -149,7 +157,7 @@ dead_or_alive(Pid) when is_pid(Pid) -> _ -> "alive" end. -indent(I) -> io:format('~*c',[I,$ ]). +indent(D, I) -> io:format(D,'~*c',[I,$ ]). children(Pid) -> Parent = self(), @@ -166,16 +174,16 @@ children(Pid) -> end. %%%================================================================ -underline(Str) -> - underline(Str, $-). +underline(D, Str) -> + underline(D, Str, $-). -underline(Str, LineChar) -> +underline(D, Str, LineChar) -> Len = lists:flatlength(Str), - io:format('~s~n',[Str]), - line(Len,LineChar). + io:format(D, '~s~n',[Str]), + line(D,Len,LineChar). -line(Len, Char) -> - io:format('~*c~n', [Len,Char]). +line(D, Len, Char) -> + io:format(D, '~*c~n', [Len,Char]). datetime() -> @@ -188,6 +196,6 @@ fmt_host_port({Host,Port}) -> io_lib:format('~s:~p',[Host,Port]). -nyi() -> - io:format('Not yet implemented~n',[]), +nyi(D) -> + io:format(D,'Not yet implemented~n',[]), nyi. diff --git a/lib/ssh/test/ssh_basic_SUITE.erl b/lib/ssh/test/ssh_basic_SUITE.erl index 45c03035cb..81c7b5cd15 100644 --- a/lib/ssh/test/ssh_basic_SUITE.erl +++ b/lib/ssh/test/ssh_basic_SUITE.erl @@ -50,6 +50,8 @@ all() -> double_close, ssh_connect_timeout, ssh_connect_arg4_timeout, + packet_size_zero, + ssh_daemon_minimal_remote_max_packet_size_option, {group, hardening_tests} ]. @@ -757,6 +759,64 @@ ms_passed(N1={_,_,M1}, N2={_,_,M2}) -> 1000 * (Min*60 + Sec + (M2-M1)/1000000). %%-------------------------------------------------------------------- +packet_size_zero(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"}]}]), + Conn = + ssh_test_lib:connect(Host, Port, [{silently_accept_hosts, true}, + {user_dir, UserDir}, + {user_interaction, false}, + {user, "vego"}, + {password, "morot"}]), + + {ok,Chan} = ssh_connection:session_channel(Conn, 1000, _MaxPacketSize=0, 60000), + ok = ssh_connection:shell(Conn, Chan), + + ssh:close(Conn), + ssh:stop_daemon(Server), + + receive + {ssh_cm,Conn,{data,Chan,_Type,_Msg1}} = M -> + ct:pal("Got ~p",[M]), + ct:fail(doesnt_obey_max_packet_size_0) + after 5000 -> + ok + end. + +%%-------------------------------------------------------------------- +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). + +%%-------------------------------------------------------------------- ssh_connect_negtimeout_parallel(Config) -> ssh_connect_negtimeout(Config,true). ssh_connect_negtimeout_sequential(Config) -> ssh_connect_negtimeout(Config,false). @@ -970,7 +1030,7 @@ max_sessions(Config, ParallelLogin, Connect0) when is_function(Connect0,2) -> %% Due to timing the error message may or may not be delivered to %% the "tcp-application" before the socket closed message is recived -check_error("Internal error") -> +check_error("Invalid state") -> ok; check_error("Connection closed") -> ok; diff --git a/lib/ssh/vsn.mk b/lib/ssh/vsn.mk index 0d90278977..fec8dacab7 100644 --- a/lib/ssh/vsn.mk +++ b/lib/ssh/vsn.mk @@ -1,5 +1,4 @@ #-*-makefile-*- ; force emacs to enter makefile-mode -SSH_VSN = 3.2 +SSH_VSN = 3.2.1 APP_VSN = "ssh-$(SSH_VSN)" - |