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-rw-r--r--lib/ssh/doc/src/ssh_connection.xml59
-rw-r--r--lib/ssh/src/ssh_connect.hrl4
-rw-r--r--lib/ssh/src/ssh_connection.erl72
3 files changed, 107 insertions, 28 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_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 87f37b93ef..593443e11c 100644
--- a/lib/ssh/src/ssh_connection.erl
+++ b/lib/ssh/src/ssh_connection.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2008-2013. All Rights Reserved.
+%% Copyright Ericsson AB 2008-2014. 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
@@ -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.
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-05 10:42:19 +0000