Execute ttyaction on termination of rlogind/telnetd sessions.
Also, say a little bit about ttyaction in the getty and login manpages.
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tsarna
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56b9b43fe0
commit
c89a574ffa
@ -1,4 +1,4 @@
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.\" $NetBSD: ttyaction.3,v 1.7 1998/02/05 18:52:32 perry Exp $
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.\" $NetBSD: ttyaction.3,v 1.8 1998/08/29 17:31:55 tsarna Exp $
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.\"
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.\" Copyright (c) 1996 The NetBSD Foundation, Inc.
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.\" All rights reserved.
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@ -50,9 +50,11 @@
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The
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.Fn ttyaction
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function is used by
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.Xr login 1
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.Xr login 1 ,
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.Xr getty 8 ,
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.Xr telnetd 8
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and
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.Xr getty 8
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.Xr rlogind 8
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to execute site-specific commands
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when a login session begins and ends.
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.Pp
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@ -1,4 +1,4 @@
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.\" $NetBSD: getty.8,v 1.10 1998/04/29 08:33:11 fair Exp $
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.\" $NetBSD: getty.8,v 1.11 1998/08/29 17:31:56 tsarna Exp $
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.\"
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.\" Copyright (c) 1980, 1991, 1993
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.\" The Regents of the University of California. All rights reserved.
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@ -95,6 +95,12 @@ and prompt for a login name.
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Usually either the banner or the login prompt will include
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the system hostname.
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.Pp
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.Nm
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uses the
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.Xr ttyaction 3
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facility with an action of "getty" and user "root"
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to execute site-specific commands when it starts.
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.Pp
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Most of the default actions of
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.Nm
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can be circumvented, or modified, by a suitable
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@ -1,4 +1,4 @@
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.\" $NetBSD: rlogind.8,v 1.8 1998/04/29 19:27:23 fair Exp $
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.\" $NetBSD: rlogind.8,v 1.9 1998/08/29 17:31:56 tsarna Exp $
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.\"
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.\" Copyright (c) 1983, 1989, 1991, 1993
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.\" The Regents of the University of California. All rights reserved.
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@ -143,6 +143,13 @@ Transport-level keepalive messages are enabled unless the
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option is present.
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The use of keepalive messages allows sessions to be timed out
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if the client crashes or becomes unreachable.
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.Pp
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At the end of a login session,
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.Nm
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invokes the
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.Xr ttyaction 3
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facility with an action of "rlogind" and user "root"
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to execute site-specific commands.
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.Sh DIAGNOSTICS
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All initial diagnostic messages are indicated
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by a leading byte with a value of 1,
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@ -159,6 +166,7 @@ by the server failed.
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.Sh SEE ALSO
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.Xr login 1 ,
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.Xr ruserok 3 ,
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.Xr ttyacion 3 ,
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.Xr rshd 8
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.Sh BUGS
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The authentication procedure used here assumes the integrity
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@ -1,4 +1,4 @@
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/* $NetBSD: rlogind.c,v 1.17 1998/08/26 00:46:23 perry Exp $ */
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/* $NetBSD: rlogind.c,v 1.18 1998/08/29 17:31:56 tsarna Exp $ */
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/*-
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* Copyright (c) 1983, 1988, 1989, 1993
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@ -40,7 +40,7 @@ __COPYRIGHT("@(#) Copyright (c) 1983, 1988, 1989, 1993\n\
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#if 0
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static char sccsid[] = "@(#)rlogind.c 8.2 (Berkeley) 4/28/95";
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#else
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__RCSID("$NetBSD: rlogind.c,v 1.17 1998/08/26 00:46:23 perry Exp $");
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__RCSID("$NetBSD: rlogind.c,v 1.18 1998/08/29 17:31:56 tsarna Exp $");
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#endif
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#endif /* not lint */
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@ -495,16 +495,19 @@ void
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cleanup(signo)
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int signo;
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{
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char *p;
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char *p, c;
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p = line + sizeof(_PATH_DEV) - 1;
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if (logout(p))
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logwtmp(p, "", "");
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(void)chmod(line, 0666);
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(void)chown(line, 0, 0);
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*p = 'p';
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c = *p; *p = 'p';
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(void)chmod(line, 0666);
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(void)chown(line, 0, 0);
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*p = c;
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if (ttyaction(line, "rlogind", "root"))
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syslog(LOG_ERR, "%s: ttyaction failed", line);
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shutdown(netf, 2);
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exit(1);
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}
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@ -1,4 +1,4 @@
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/* $NetBSD: sys_term.c,v 1.13 1998/08/05 00:15:25 perry Exp $ */
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/* $NetBSD: sys_term.c,v 1.14 1998/08/29 17:31:56 tsarna Exp $ */
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/*
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* Copyright (c) 1989, 1993
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@ -38,7 +38,7 @@
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#if 0
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static char sccsid[] = "@(#)sys_term.c 8.4+1 (Berkeley) 5/30/95";
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#else
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__RCSID("$NetBSD: sys_term.c,v 1.13 1998/08/05 00:15:25 perry Exp $");
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__RCSID("$NetBSD: sys_term.c,v 1.14 1998/08/29 17:31:56 tsarna Exp $");
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#endif
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#endif /* not lint */
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@ -1902,16 +1902,19 @@ cleanup(sig)
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{
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#ifndef PARENT_DOES_UTMP
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# if (BSD > 43) || defined(convex)
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char *p;
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char *p, c;
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p = line + sizeof("/dev/") - 1;
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if (logout(p))
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logwtmp(p, "", "");
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(void)chmod(line, 0666);
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(void)chown(line, 0, 0);
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*p = 'p';
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c = *p; *p = 'p';
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(void)chmod(line, 0666);
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(void)chown(line, 0, 0);
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*p = c;
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if (ttyaction(line, "telnetd", "root"))
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syslog(LOG_ERR, "%s: ttyaction failed", line);
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(void) shutdown(net, 2);
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exit(1);
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# else
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@ -1,4 +1,4 @@
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.\" $NetBSD: telnetd.8,v 1.12 1998/04/28 06:00:54 fair Exp $
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.\" $NetBSD: telnetd.8,v 1.13 1998/08/29 17:31:56 tsarna Exp $
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.\"
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.\" Copyright (c) 1983, 1993
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.\" The Regents of the University of California. All rights reserved.
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@ -516,6 +516,14 @@ Only sent if
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is compiled with support for data encryption, and
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indicates a willingness to decrypt
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the data stream.
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.El
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.Pp
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At the end of a login session,
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.Nm
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invokes the
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.Xr ttyaction 3
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facility with an action of "telnetd" and user "root"
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to execute site-specific commands.
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.Sh ENVIRONMENT
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.Sh FILES
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.Pa /etc/services
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@ -529,6 +537,7 @@ the data stream.
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.Sh "SEE ALSO"
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.Xr telnet 1 ,
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.Xr login 1 ,
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.Xr ttyaction 3 .
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.Sh STANDARDS
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.Bl -tag -compact -width RFC-1572
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.It Cm RFC-854
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@ -1,4 +1,4 @@
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.\" $NetBSD: ttyaction.5,v 1.2 1997/10/08 22:00:17 jtc Exp $
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.\" $NetBSD: ttyaction.5,v 1.3 1998/08/29 17:31:57 tsarna Exp $
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.\"
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.\" Copyright (c) 1996 The NetBSD Foundation, Inc.
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.\" All rights reserved.
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@ -58,10 +58,11 @@ directory, similar to how such devices are named in the
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file.
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.It action
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Name of the action for which this line should apply.
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The action names currently defined are "login" and "getty"
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The action names currently defined are "login", "getty",
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"telnetd" and "rlogind"
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which indicate which program is processing this file.
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(Note that "login" begins a login session, and "getty" is
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run after a login session ends.)
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(Note that "login" begins a login session, while the other
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three are run after a login session ends.)
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.It command
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What command to run if this record matches.
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.El
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@ -1,4 +1,4 @@
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.\" $NetBSD: login.1,v 1.12 1998/04/10 09:31:55 fair Exp $
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.\" $NetBSD: login.1,v 1.13 1998/08/29 17:31:57 tsarna Exp $
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.\"
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.\" Copyright (c) 1980, 1990, 1993
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.\" The Regents of the University of California. All rights reserved.
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@ -110,9 +110,13 @@ then records an entry in the
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.Xr wtmp 5
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and
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.Xr utmp 5
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files and executes the user's command interpreter.
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files, executes site-specific login commands via the
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.Xr ttyaction 3
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facilty with an action of "login", and executes the user's command
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interpreter.
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.Pp
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Login enters information into the environment (see
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.Nm
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enters information into the environment (see
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.Xr environ 7 )
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specifying the user's home directory (HOME), command interpreter (SHELL),
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search path (PATH), terminal type (TERM) and user name (both LOGNAME and
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