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author | Ingela Anderton Andin <ingela@erlang.org> | 2014-10-30 15:44:46 +0100 |
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committer | Ingela Anderton Andin <ingela@erlang.org> | 2014-10-30 15:44:46 +0100 |
commit | d18681b233eae0e0e64e3fade261860875d4040c (patch) | |
tree | 26f9b41051bec4d53a84b132c3df22682c18390f | |
parent | 37e4ab7fffb4cc776a17a5b50e2a4b58dc132864 (diff) | |
parent | 439e4b037bf7ea423cb6715bdd25dd39c31eeb7f (diff) | |
download | otp-d18681b233eae0e0e64e3fade261860875d4040c.tar.gz otp-d18681b233eae0e0e64e3fade261860875d4040c.tar.bz2 otp-d18681b233eae0e0e64e3fade261860875d4040c.zip |
Merge branch 'maint'
-rw-r--r-- | lib/ssh/doc/src/ssh_connection.xml | 59 | ||||
-rw-r--r-- | lib/ssh/src/ssh.erl | 1 | ||||
-rw-r--r-- | lib/ssh/src/ssh_connect.hrl | 4 | ||||
-rw-r--r-- | lib/ssh/src/ssh_connection.erl | 70 | ||||
-rw-r--r-- | lib/ssh/test/ssh_connection_SUITE.erl | 66 | ||||
-rw-r--r-- | lib/ssh/test/ssh_to_openssh_SUITE.erl | 45 |
6 files changed, 195 insertions, 50 deletions
diff --git a/lib/ssh/doc/src/ssh_connection.xml b/lib/ssh/doc/src/ssh_connection.xml index 72e7252536..ff72cf7ee0 100644 --- a/lib/ssh/doc/src/ssh_connection.xml +++ b/lib/ssh/doc/src/ssh_connection.xml @@ -5,7 +5,7 @@ <header> <copyright> <year>2008</year> - <year>2013</year> + <year>2014</year> <holder>Ericsson AB, All Rights Reserved</holder> </copyright> <legalnotice> @@ -137,7 +137,7 @@ <tag><c><![CDATA[{pty, ssh_channel_id(), boolean() = WantReply, {string() = Terminal, integer() = CharWidth, - integer() = RowHeight, integer() = PixelWidth, integer() = PixelHight, + integer() = RowHeight, integer() = PixelWidth, integer() = PixelHeight, [{atom() | integer() = Opcode, integer() = Value}] = TerminalModes}}]]></c></tag> <item>A pseudo-terminal has been requested for the @@ -148,11 +148,11 @@ drawable area of the window. The <c>Opcode</c> in the <c>TerminalModes</c> list is the mnemonic name, represented as an lowercase erlang atom, defined in - <url href="http://www.ietf.org/rfc/rfc4254.txt">RFC 4254 </url> section 8, - or the opcode if the mnemonic name is not listed in the + <url href="http://www.ietf.org/rfc/rfc4254.txt">RFC 4254 </url> section 8. + It may also be an opcode if the mnemonic name is not listed in the RFC. Example <c>OP code: 53, mnemonic name ECHO erlang atom: - echo</c>. There is currently no API function to generate this - event.</item> + echo</c>.This event is sent as result of calling <seealso + marker="ssh_connection#ptty_alloc/4">ssh_connection:ptty_alloc/4</seealso></item> <tag><c><![CDATA[{shell, boolean() = WantReply}]]></c></tag> <item> This message will request that the user's default shell @@ -273,7 +273,52 @@ </desc> </func> - <func> + <func> + <name>ptty_alloc(ConnectionRef, ChannelId, Options, Timeout) -> success | failure</name> + <fsummary>Send status replies to requests that want such replies. </fsummary> + <type> + <v> ConnectionRef = ssh_connection_ref() </v> + <v> ChannelId = ssh_channel_id()</v> + <v> Options = proplists:proplist()</v> + </type> + <desc> + <p> Sends a SSH Connection Protocol pty_req, to allocate a pseudo tty. + Should be called by a SSH client process. + Options are: + </p> + + <taglist> + <tag>{term, string()}</tag> + <item> + Defaults to os:getenv("TERM") or "vt100" if it is undefined. + </item> + <tag>{width, integer()}</tag> + <item> + Defaults to 80 if pixel_width is not defined. + </item> + <tag>{height, integer()}</tag> + <item> + Defaults to 24 if pixel_height is not defined. + </item> + <tag>{pixel_width, integer()}</tag> + <item> + Is disregarded if width is defined. + </item> + <tag>{pixel_height, integer()}</tag> + <item> + Is disregarded if height is defined. + </item> + <tag>{pty_opts, [{posix_atom(), integer()}]}</tag> + <item> + Option may be an empty list, otherwise + see possible POSIX names in section 8 in <url href="http://www.ietf.org/rfc/rfc4254.txt"> RFC 4254</url>. + </item> + </taglist> + + </desc> + </func> + + <func> <name>reply_request(ConnectionRef, WantReply, Status, ChannelId) -> ok</name> <fsummary>Send status replies to requests that want such replies. </fsummary> <type> diff --git a/lib/ssh/src/ssh.erl b/lib/ssh/src/ssh.erl index de047d3c83..eae33e3683 100644 --- a/lib/ssh/src/ssh.erl +++ b/lib/ssh/src/ssh.erl @@ -194,6 +194,7 @@ shell(Host, Port, Options) -> {ok, ConnectionRef} -> case ssh_connection:session_channel(ConnectionRef, infinity) of {ok,ChannelId} -> + success = ssh_connection:ptty_alloc(ConnectionRef, ChannelId, []), Args = [{channel_cb, ssh_shell}, {init_args,[ConnectionRef, ChannelId]}, {cm, ConnectionRef}, {channel_id, ChannelId}], diff --git a/lib/ssh/src/ssh_connect.hrl b/lib/ssh/src/ssh_connect.hrl index 9307dbbad0..d14f7ce27d 100644 --- a/lib/ssh/src/ssh_connect.hrl +++ b/lib/ssh/src/ssh_connect.hrl @@ -165,6 +165,10 @@ recipient_channel }). +-define(TERMINAL_WIDTH, 80). +-define(TERMINAL_HEIGHT, 24). +-define(DEFAULT_TERMINAL, "vt100"). + -define(TTY_OP_END,0). %% Indicates end of options. -define(VINTR,1). %% Interrupt character; 255 if none. Similarly for the %% other characters. Not all of these characters are diff --git a/lib/ssh/src/ssh_connection.erl b/lib/ssh/src/ssh_connection.erl index f3ff9ae67a..593443e11c 100644 --- a/lib/ssh/src/ssh_connection.erl +++ b/lib/ssh/src/ssh_connection.erl @@ -32,11 +32,11 @@ %% API -export([session_channel/2, session_channel/4, exec/4, shell/2, subsystem/4, send/3, send/4, send/5, - send_eof/2, adjust_window/3, setenv/5, close/2, reply_request/4]). + send_eof/2, adjust_window/3, setenv/5, close/2, reply_request/4, + ptty_alloc/3, ptty_alloc/4]). %% Potential API currently unsupported and not tested --export([open_pty/3, open_pty/7, - open_pty/9, window_change/4, window_change/6, +-export([window_change/4, window_change/6, direct_tcpip/6, direct_tcpip/8, tcpip_forward/3, cancel_tcpip_forward/3, signal/3, exit_status/3]). @@ -189,6 +189,25 @@ reply_request(_,false, _, _) -> ok. %%-------------------------------------------------------------------- +-spec ptty_alloc(pid(), channel_id(), proplists:proplist()) -> success | failiure. +%% +%% +%% Description: Sends a ssh connection protocol pty_req. +%%-------------------------------------------------------------------- +ptty_alloc(ConnectionHandler, Channel, Options) -> + ptty_alloc(ConnectionHandler, Channel, Options, infinity). +ptty_alloc(ConnectionHandler, Channel, Options, TimeOut) -> + {Width, PixWidth} = pty_default_dimensions(width, Options), + {Hight, PixHight} = pty_default_dimensions(hight, Options), + pty_req(ConnectionHandler, Channel, + proplists:get_value(term, Options, default_term()), + proplists:get_value(width, Options, Width), + proplists:get_value(hight, Options, Hight), + proplists:get_value(pixel_widh, Options, PixWidth), + proplists:get_value(pixel_hight, Options, PixHight), + proplists:get_value(pty_opts, Options, []), TimeOut + ). +%%-------------------------------------------------------------------- %% Not yet officialy supported! The following functions are part of the %% initial contributed ssh application. They are untested. Do we want them? %% Should they be documented and tested? @@ -211,23 +230,6 @@ exit_status(ConnectionHandler, Channel, Status) -> ssh_connection_handler:request(ConnectionHandler, Channel, "exit-status", false, [?uint32(Status)], 0). -open_pty(ConnectionHandler, Channel, TimeOut) -> - open_pty(ConnectionHandler, Channel, - os:getenv("TERM"), 80, 24, [], TimeOut). - -open_pty(ConnectionHandler, Channel, Term, Width, Height, PtyOpts, TimeOut) -> - open_pty(ConnectionHandler, Channel, Term, Width, - Height, 0, 0, PtyOpts, TimeOut). - -open_pty(ConnectionHandler, Channel, Term, Width, Height, - PixWidth, PixHeight, PtyOpts, TimeOut) -> - ssh_connection_handler:request(ConnectionHandler, - Channel, "pty-req", true, - [?string(Term), - ?uint32(Width), ?uint32(Height), - ?uint32(PixWidth),?uint32(PixHeight), - encode_pty_opts(PtyOpts)], TimeOut). - direct_tcpip(ConnectionHandler, RemoteHost, RemotePort, OrigIP, OrigPort, Timeout) -> direct_tcpip(ConnectionHandler, RemoteHost, RemotePort, OrigIP, OrigPort, @@ -1080,6 +1082,27 @@ flow_control([_|_], #channel{flow_control = From, flow_control(_,_,_) -> []. +pty_req(ConnectionHandler, Channel, Term, Width, Height, + PixWidth, PixHeight, PtyOpts, TimeOut) -> + ssh_connection_handler:request(ConnectionHandler, + Channel, "pty-req", true, + [?string(Term), + ?uint32(Width), ?uint32(Height), + ?uint32(PixWidth),?uint32(PixHeight), + encode_pty_opts(PtyOpts)], TimeOut). + +pty_default_dimensions(Dimension, Options) -> + case proplists:get_value(Dimension, Options, 0) of + N when is_integer(N), N > 0 -> + {N, 0}; + _ -> + case proplists:get_value(list_to_atom("pixel_" ++ atom_to_list(Dimension)), Options, 0) of + N when is_integer(N), N > 0 -> + {0, N}; + _ -> + {?TERMINAL_WIDTH, 0} + end + end. encode_pty_opts(Opts) -> Bin = list_to_binary(encode_pty_opts2(Opts)), @@ -1277,3 +1300,10 @@ decode_ip(Addr) when is_binary(Addr) -> {ok,A} -> A end. +default_term() -> + case os:getenv("TERM") of + false -> + ?DEFAULT_TERMINAL; + Str when is_list(Str)-> + Str + end. diff --git a/lib/ssh/test/ssh_connection_SUITE.erl b/lib/ssh/test/ssh_connection_SUITE.erl index 3c537d719c..553d0f5720 100644 --- a/lib/ssh/test/ssh_connection_SUITE.erl +++ b/lib/ssh/test/ssh_connection_SUITE.erl @@ -36,7 +36,7 @@ all() -> [ - {group, openssh_payload}, + {group, openssh}, start_subsystem_on_closed_channel, interrupted_send, start_shell, @@ -49,11 +49,19 @@ all() -> stop_listener ]. groups() -> - [{openssh_payload, [], [simple_exec, - small_cat, - big_cat, - send_after_exit - ]}]. + [{openssh, [], payload() ++ ptty()}]. + +payload() -> + [simple_exec, + small_cat, + big_cat, + send_after_exit]. + +ptty() -> + [ptty_alloc_default, + ptty_alloc, + ptty_alloc_pixel]. + %%-------------------------------------------------------------------- init_per_suite(Config) -> case catch crypto:start() of @@ -67,7 +75,7 @@ end_per_suite(_Config) -> crypto:stop(). %%-------------------------------------------------------------------- -init_per_group(openssh_payload, _Config) -> +init_per_group(openssh, _Config) -> case gen_tcp:connect("localhost", 22, []) of {error,econnrefused} -> {skip,"No openssh deamon"}; @@ -242,6 +250,42 @@ send_after_exit(Config) when is_list(Config) -> end. %%-------------------------------------------------------------------- +ptty_alloc_default() -> + [{doc, "Test sending PTTY alloc message with only defaults."}]. + +ptty_alloc_default(Config) when is_list(Config) -> + ConnectionRef = ssh_test_lib:connect(?SSH_DEFAULT_PORT, [{silently_accept_hosts, true}, + {user_interaction, false}]), + {ok, ChannelId} = ssh_connection:session_channel(ConnectionRef, infinity), + success = ssh_connection:ptty_alloc(ConnectionRef, ChannelId, []), + ssh:close(ConnectionRef). + +%%-------------------------------------------------------------------- +ptty_alloc() -> + [{doc, "Test sending PTTY alloc message with width,height options."}]. + +ptty_alloc(Config) when is_list(Config) -> + ConnectionRef = ssh_test_lib:connect(?SSH_DEFAULT_PORT, [{silently_accept_hosts, true}, + {user_interaction, false}]), + {ok, ChannelId} = ssh_connection:session_channel(ConnectionRef, infinity), + success = ssh_connection:ptty_alloc(ConnectionRef, ChannelId, + [{term, default_term()}, {width, 70}, {high, 20}]), + ssh:close(ConnectionRef). + + +%%-------------------------------------------------------------------- +ptty_alloc_pixel() -> + [{doc, "Test sending PTTY alloc message pixel options."}]. + +ptty_alloc_pixel(Config) when is_list(Config) -> + ConnectionRef = ssh_test_lib:connect(?SSH_DEFAULT_PORT, [{silently_accept_hosts, true}, + {user_interaction, false}]), + {ok, ChannelId} = ssh_connection:session_channel(ConnectionRef, infinity), + success = ssh_connection:ptty_alloc(ConnectionRef, ChannelId, + [{term, default_term()}, {pixel_widh, 630}, {pixel_hight, 470}]), + ssh:close(ConnectionRef). + +%%-------------------------------------------------------------------- start_subsystem_on_closed_channel(Config) -> PrivDir = ?config(priv_dir, Config), UserDir = filename:join(PrivDir, nopubkey), % to make sure we don't use public-key-auth @@ -603,3 +647,11 @@ ssh_exec(Cmd) -> spawn(fun() -> io:format(Cmd ++ "\n") end). + +default_term() -> + case os:getenv("TERM") of + false -> + "vt100"; + Str when is_list(Str)-> + Str + end. diff --git a/lib/ssh/test/ssh_to_openssh_SUITE.erl b/lib/ssh/test/ssh_to_openssh_SUITE.erl index 41fbd324c4..af70eeb46c 100644 --- a/lib/ssh/test/ssh_to_openssh_SUITE.erl +++ b/lib/ssh/test/ssh_to_openssh_SUITE.erl @@ -120,13 +120,8 @@ erlang_shell_client_openssh_server(Config) when is_list(Config) -> receive_hej(), IO ! {input, self(), "exit\n"}, receive_logout(), - receive - {'EXIT', Shell, normal} -> - ok; - Other1 -> - ct:fail({unexpected_msg, Other1}) - end. - + receive_normal_exit(Shell). + %-------------------------------------------------------------------- erlang_client_openssh_server_exec() -> [{doc, "Test api function ssh_connection:exec"}]. @@ -529,11 +524,22 @@ erlang_client_openssh_server_nonexistent_subsystem(Config) when is_list(Config) %%-------------------------------------------------------------------- receive_hej() -> receive - <<"Hej\n">> = Hej-> + <<"Hej", _binary>> = Hej -> + ct:pal("Expected result: ~p~n", [Hej]); + <<"Hej\n", _binary>> = Hej -> + ct:pal("Expected result: ~p~n", [Hej]); + <<"Hej\r\n", _/binary>> = Hej -> ct:pal("Expected result: ~p~n", [Hej]); Info -> - ct:pal("Extra info: ~p~n", [Info]), - receive_hej() + Lines = binary:split(Info, [<<"\r\n">>], [global]), + case lists:member(<<"Hej">>, Lines) of + true -> + ct:pal("Expected result found in lines: ~p~n", [Lines]), + ok; + false -> + ct:pal("Extra info: ~p~n", [Info]), + receive_hej() + end end. receive_logout() -> @@ -543,13 +549,20 @@ receive_logout() -> <<"Connection closed">> -> ok end; - <<"TERM environment variable not set.\n">> -> %% Windows work around - receive_logout(); - Other0 -> - ct:fail({unexpected_msg, Other0}) - end. - + Info -> + ct:pal("Extra info when logging out: ~p~n", [Info]), + receive_logout() + end. +receive_normal_exit(Shell) -> + receive + {'EXIT', Shell, normal} -> + ok; + <<"\r\n">> -> + receive_normal_exit(Shell); + Other -> + ct:fail({unexpected_msg, Other}) + end. %%-------------------------------------------------------------------- %%-------------------------------------------------------------------- |