/* $OpenBSD: nologin.c,v 1.2 1997/04/04 16:51:37 millert Exp $ */ /* * Copyright (c) 1997, Jason Downs. 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 THE AUTHOR(S) ``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 AUTHOR(S) 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. */ #include #include #include #include /* Distinctly different from _PATH_NOLOGIN. */ #define _PATH_NOLOGIN_TXT "/etc/nologin.txt" #define DEFAULT_MESG "This account is currently not available.\n" /*ARGSUSED*/ int main(argc, argv) int argc; char *argv[]; { int nfd, nrd; char nbuf[128]; nfd = open(_PATH_NOLOGIN_TXT, O_RDONLY); if (nfd < 0) { write(STDOUT_FILENO, DEFAULT_MESG, strlen(DEFAULT_MESG)); exit (1); } while ((nrd = read(nfd, nbuf, sizeof(nbuf))) > 0) write(STDOUT_FILENO, nbuf, nrd); close (nfd); exit (1); }