/* * nologin.c - a login shell for disabling users. * * Copyright (c) 1997, 2001 Softweyr LLC, South Jordan, Utah USA. * All rights reserved. * * 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. * * THIS SOFTWARE IS PROVIDED BY SOFTWEYR LLC 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 SOFTWEYR LLC OR ANY * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR 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) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * Author: Wes Peters * Date: Tue Jan 28 21:30:06 MST 1997 */ #include #include #include int main(int argc, char *argv[]) { int ch; char *user, *device; extern char *optarg; if ((user = getlogin()) == NULL) user = "UNKNOWN"; if ((device = ttyname(0)) == NULL) device = "UNKNOWN"; openlog("nologin", LOG_CONS, LOG_AUTH); syslog(LOG_CRIT, "%s on %s", user, device); closelog(); while ((ch = getopt(argc, argv, "m:")) != -1) { switch (ch) { case 'm': printf("%s: %s\n", user, optarg); break; } } return 0; }