From 9ffdcb5478d77f6a28731eeb39456ac6fbf60363 Mon Sep 17 00:00:00 2001 From: Ben Lindstrom Date: Fri, 20 Apr 2001 12:50:51 +0000 Subject: [PATCH] - djm@cvs.openbsd.org 2001/04/20 07:17:51 [clientloop.c ssh.1] Split out and improve escape character documentation, mention ~R in ~? help text; ok markus@ --- ChangeLog | 9 +++++++- clientloop.c | 3 ++- ssh.1 | 63 +++++++++++++++++++++++++++++++--------------------- 3 files changed, 48 insertions(+), 27 deletions(-) diff --git a/ChangeLog b/ChangeLog index 221526e67..3243d4da4 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,10 @@ +20010421 + - OpenBSD CVS Sync + - djm@cvs.openbsd.org 2001/04/20 07:17:51 + [clientloop.c ssh.1] + Split out and improve escape character documentation, mention ~R in + ~? help text; ok markus@ + 20010420 - OpenBSD CVS Sync - ian@cvs.openbsd.org 2001/04/18 16:21:05 @@ -5187,4 +5194,4 @@ - Wrote replacements for strlcpy and mkdtemp - Released 1.0pre1 -$Id: ChangeLog,v 1.1147 2001/04/20 04:59:22 mouring Exp $ +$Id: ChangeLog,v 1.1148 2001/04/20 12:50:51 mouring Exp $ diff --git a/clientloop.c b/clientloop.c index 2709ce356..369ffe4ac 100644 --- a/clientloop.c +++ b/clientloop.c @@ -59,7 +59,7 @@ */ #include "includes.h" -RCSID("$OpenBSD: clientloop.c,v 1.64 2001/04/17 09:52:48 markus Exp $"); +RCSID("$OpenBSD: clientloop.c,v 1.65 2001/04/20 07:17:51 djm Exp $"); #include "ssh.h" #include "ssh1.h" @@ -566,6 +566,7 @@ process_escapes(Buffer *bin, Buffer *bout, Buffer *berr, char *buf, int len) "%c?\r\n\ Supported escape sequences:\r\n\ ~. - terminate connection\r\n\ +~R - Request rekey (SSH protocol 2 only)\r\n\ ~^Z - suspend ssh\r\n\ ~# - list forwarded connections\r\n\ ~& - background ssh (when waiting for connections to terminate)\r\n\ diff --git a/ssh.1 b/ssh.1 index 9e0298bd3..db894af9b 100644 --- a/ssh.1 +++ b/ssh.1 @@ -34,7 +34,7 @@ .\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF .\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. .\" -.\" $OpenBSD: ssh.1,v 1.103 2001/04/17 10:53:26 markus Exp $ +.\" $OpenBSD: ssh.1,v 1.104 2001/04/20 07:17:51 djm Exp $ .Dd September 25, 1999 .Dt SSH 1 .Os @@ -243,30 +243,7 @@ All communication with the remote command or shell will be automatically encrypted. .Pp If a pseudo-terminal has been allocated (normal login session), the -user can disconnect with -.Ic ~. , -and suspend -.Nm -with -.Ic ~^Z . -All forwarded connections can be listed with -.Ic ~# -and if -the session blocks waiting for forwarded X11 or TCP/IP -connections to terminate, it can be backgrounded with -.Ic ~& -(this should not be used while the user shell is active, as it can cause the -shell to hang). -All available escapes can be listed with -.Ic ~? . -.Pp -A single tilde character can be sent as -.Ic ~~ -(or by following the tilde by a character other than those described above). -The escape character must always follow a newline to be interpreted as -special. -The escape character can be changed in configuration files -or on the command line. +user may use the escape characters noted below. .Pp If no pseudo tty has been allocated, the session is transparent and can be used to reliably transfer binary @@ -281,6 +258,42 @@ The exit status of the remote program is returned as the exit status of .Nm ssh . .Pp +.Ss Escape Characters +.Pp +When a pseudo terminal has been requested, ssh supports a number of functions +through the use of an escape charater. +.Pp +A single tilde character can be sent as +.Ic ~~ +(or by following the tilde by a character other than those described above). +The escape character must always follow a newline to be interpreted as +special. +The escape character can be changed in configuration files using the +.Cm EscapeChar +configuration directive or on the command line by the +.Fl e +option. +.Pp +The supported escapes (assuming the default +.Ql ~ ) +are: +.Bl -tag -width Ds +.It Cm ~. +Disconnect +.It Cm ~^Z +Background ssh +.It Cm ~# +List forwarded connections +.It Cm ~& +Background ssh at logout when waiting for forwarded connection / X11 sessions +to terminate (this does not currently work for SSH protocol version 2) +.It Cm ~? +Display a list of escape characters +.It Cm ~R +Request rekeying of connection (only useful for SSH protocol version 2 and if +the peer supports it) +.El +.Pp .Ss X11 and TCP forwarding .Pp If the user is using X11 (the