Attachment 2610 Details for Bug 1716 – Clarify pseudo-terminal behaviour.

[patch] Clarify pseudo-terminal behaviour.

ssh-man-pty.patch (text/plain), 1.83 KB, created by Darren Tucker on 2015-04-28 14:29:13 AEST

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Creator: Darren Tucker

Created: 2015-04-28 14:29:13 AEST

Size: 1.83 KB

patch

obsolete

>Index: ssh.1
>===================================================================
>RCS file: /cvs/src/usr.bin/ssh/ssh.1,v
>retrieving revision 1.356
>diff -u -p -r1.356 ssh.1
>--- ssh.1	3 Mar 2015 06:48:58 -0000	1.356
>+++ ssh.1	28 Apr 2015 04:21:55 -0000
>@@ -584,9 +584,9 @@ of SSH as a secure transport for other a
> .Xr sftp 1 ) .
> The subsystem is specified as the remote command.
> .It Fl T
>-Disable pseudo-tty allocation.
>+Disable pseudo-terminal allocation.
> .It Fl t
>-Force pseudo-tty allocation.
>+Force pseudo-terminal allocation.
> This can be used to execute arbitrary
> screen-based programs on a remote machine, which can be very useful,
> e.g. when implementing menu services.
>@@ -876,15 +876,26 @@ option can be used to control logins to 
> host key is not known or has changed.
> .Pp
> When the user's identity has been accepted by the server, the server
>-either executes the given command, or logs into the machine and gives
>-the user a normal shell on the remote machine.
>+either executes the given command as a non-interactive session,
>+or if no command has been specified, logs into the machine and gives
>+the user a normal shell as an interactive session.
> All communication with
> the remote command or shell will be automatically encrypted.
> .Pp
>-If a pseudo-terminal has been allocated (normal login session), the
>+If an interactive session is requested
>+.Nm
>+by default will request a pseudo-terminal (pty) if the client has one,
>+otherwise it will not request one.
>+The flags
>+.Fl T
>+and
>+.Fl t
>+can be used to override this behaviour.
>+.Pp
>+If a pseudo-terminal has been allocated the
> user may use the escape characters noted below.
> .Pp
>-If no pseudo-tty has been allocated,
>+If no pseudo-terminal has been allocated,
> the session is transparent and can be used to reliably transfer binary data.
> On most systems, setting the escape character to
> .Dq none

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Attachments on bug 1716: 2610