From owner-freebsd-isp  Tue Jan 20 11:30:53 1998
Return-Path: <owner-freebsd-isp@FreeBSD.ORG>
Received: (from majordom@localhost)
          by hub.freebsd.org (8.8.8/8.8.8) id LAA27532
          for freebsd-isp-outgoing; Tue, 20 Jan 1998 11:30:53 -0800 (PST)
          (envelope-from owner-freebsd-isp@FreeBSD.ORG)
Received: from idiom.com (root@idiom.com [140.174.82.4])
          by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id LAA27515
          for <freebsd-isp@freebsd.org>; Tue, 20 Jan 1998 11:30:39 -0800 (PST)
          (envelope-from muir@idiom.com)
Received: (from muir@localhost)
	by idiom.com (8.8.5/8.8.5) id KAA21613
	for freebsd-isp@freebsd.org; Tue, 20 Jan 1998 10:36:24 -0800 (PST)
Date: Tue, 20 Jan 1998 10:36:24 -0800 (PST)
From: David Muir Sharnoff <muir@idiom.com>
Message-Id: <199801201836.KAA21613@idiom.com>
To: freebsd-isp@FreeBSD.ORG
Subject: Re: How to lock out a nonpaying user
Sender: owner-freebsd-isp@FreeBSD.ORG
Precedence: bulk
X-Loop: FreeBSD.org


I took a stab at this problem a few years ago (note date on file).

This works great.  It gives me a large set of messages.  I lock someone
out by changing their shell.

Now, the question I have is, how do you have RADIUS respond with a message
when someone tries to log in via PPP?

-Dave



#ifdef notdef
/*
 *
 * given that this is called with an argv[0] like "-badpasswd" (init does
 * this if the shell entry is "/.*/badpasswd"  Then cat whatever is
 * in the file $MSGDIR/badpasswd to stdout and exit.
 *
 * To give someone a shell that just prints out a message, make 
 * a file (called "name") with the message in /usr/adm/shells/msgs 
 * and then do a ln /usr/adm/shells/name /usr/adm/shells/shell.
 *
 * muir@cogsci 3/30/86
 *
 */
#endif


#include <stdio.h>
#include <strings.h>
#include <sys/file.h>

#define	MSGDIR	"/usr/adm/shells/msgs"

char	buf[BUFSIZ];

main(argc,argv)
int	argc;
char	*argv[];
{
	register	int	input;
	register	char	name[1024];
	register	int	bytes;

	sprintf (name,"%s/%s",MSGDIR,argv[0]+1);

	input = open (name, O_RDONLY);
	if (input < 0) {
		puts ("there has been a error, please contact");
		puts ("the system manager to have your account fixed.");
		perror(name);
		exit(1);
	}
	
	while ((bytes = read(input,buf,BUFSIZ)) > 0)
		write (1,buf,bytes);
	close (input);
	exit(0);
}