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Revision 1.8, Sat Aug 29 17:31:55 1998 UTC (21 years, 9 months ago) by tsarna
Branch: MAIN
CVS Tags: wrstuden-devbsize-base, wrstuden-devbsize-19991221, wrstuden-devbsize, netbsd-1-5-base, netbsd-1-5-RELEASE, netbsd-1-5-PATCH003, netbsd-1-5-PATCH002, netbsd-1-5-PATCH001, netbsd-1-5-BETA2, netbsd-1-5-BETA, netbsd-1-5-ALPHA2, netbsd-1-5, netbsd-1-4-base, netbsd-1-4-RELEASE, netbsd-1-4-PATCH003, netbsd-1-4-PATCH002, netbsd-1-4-PATCH001, netbsd-1-4, minoura-xpg4dl-base, minoura-xpg4dl, comdex-fall-1999-base, comdex-fall-1999
Changes since 1.7: +5 -3 lines

Execute ttyaction on termination of rlogind/telnetd sessions.
Also, say a little bit about ttyaction in the getty and login manpages.

.\" $NetBSD: ttyaction.3,v 1.8 1998/08/29 17:31:55 tsarna Exp $
.\"
.\" Copyright (c) 1996 The NetBSD Foundation, Inc.
.\" All rights reserved.
.\"
.\" This code is derived from software contributed to The NetBSD Foundation
.\" by Gordon W. Ross.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\" 1. Redistributions of source code must retain the above copyright
.\"    notice, this list of conditions and the following disclaimer.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\"    notice, this list of conditions and the following disclaimer in the
.\"    documentation and/or other materials provided with the distribution.
.\" 3. All advertising materials mentioning features or use of this software
.\"    must display the following acknowledgement:
.\"        This product includes software developed by the NetBSD
.\"        Foundation, Inc. and its contributors.
.\" 4. Neither the name of The NetBSD Foundation nor the names of its
.\"    contributors may be used to endorse or promote products derived
.\"    from this software without specific prior written permission.
.\"
.\" THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
.\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
.\" TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
.\" PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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.\"
.Dd August 24, 1996
.Dt TTYACTION 3
.Os
.Sh NAME
.Nm ttyaction
.Nd ttyaction utility function
.Sh LIBRARY
.Lb libutil
.Sh SYNOPSIS
.Fd #include <util.h>
.Ft int
.Fn ttyaction "char *ttyname" "char *action" "char *username"
.Sh DESCRIPTION
The
.Fn ttyaction
function is used by
.Xr login 1 ,
.Xr getty 8 ,
.Xr telnetd 8
and
.Xr rlogind 8
to execute site-specific commands
when a login session begins and ends.
.Pp
The
.Fn ttyaction
function scans the
.Pa /etc/ttyaction
file for any records that match the current
.Fa ttyname
and
.Fa action
parameters, and for each matching record, runs the shell command
shown in that record.  The record format is described in
.Xr ttyaction 5 .
The parameter
.Fa username
is the name of the new owner of the
.Fa ttyname
device.  Note that the
.Fa ttyname
parameter may be passed as a fully qualified pathname, and the
.Fn ttyaction
function will skip the leading "/dev/" part of the string.
(This is a convenience for login and getty.)
.Sh RETURN VALUES
.Fn ttyaction
returns the status of the last command it executed,
or zero if no matching commands were found.
.Sh FILES
.Bl -tag -width /etc/ttyaction -compact
.It Pa /dev/\(**
.It Pa /etc/ttyaction
.El
.Sh SEE ALSO
.Xr ttyaction 5
.Sh AUTHORS
The following people contributed to this design:
.Bd -literal -offset indent
Gordon W. Ross <gwr@netbsd.org>
Chris G. Demetriou <cgd@netbsd.org>
Ty Sarna <tsarna@endicor.com>
.Ed
.Sh BUGS
There should be some
.Em other
mechanism to allow selection of different access control policies
on a per-line basis.  It has been suggested that the same
.Nm ttyaction
mechanism should also be used for determining access control, but
it was decided (after much discussion) that
.Nm ttyaction
should only describe actions to be performed
.Em after
the system has decided to change the ownership of some tty.
Access control policies will be handled by a separate mechanism.