1 /*- 2 * Copyright (c) 2004 The FreeBSD Project. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * $FreeBSD: head/usr.sbin/nologin/nologin.c 139685 2005-01-04 20:07:12Z delphij $ 27 */ 28 29 #include <stdio.h> 30 #include <syslog.h> 31 #include <unistd.h> 32 33 #define MESSAGE "This account is currently not available.\n" 34 35 int 36 main(__unused int argc, __unused char *argv[]) 37 { 38 const char *user, *tt; 39 40 if ((tt = ttyname(0)) == NULL) 41 tt = "UNKNOWN"; 42 if ((user = getlogin()) == NULL) 43 user = "UNKNOWN"; 44 openlog("nologin", LOG_CONS, LOG_AUTH); 45 syslog(LOG_CRIT, "Attempted login by %s on %s", user, tt); 46 closelog(); 47 48 printf("%s", MESSAGE); 49 return 1; 50 } 51