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1 | /* $OpenBSD: nologin.c,v 1.2 1997/04/04 16:51:37 millert Exp $ */ |
2 | ||
3 | /* | |
4 | * Copyright (c) 1997, Jason Downs. All rights reserved. | |
5 | * | |
6 | * Redistribution and use in source and binary forms, with or without | |
7 | * modification, are permitted provided that the following conditions | |
8 | * are met: | |
9 | * 1. Redistributions of source code must retain the above copyright | |
10 | * notice, this list of conditions and the following disclaimer. | |
11 | * 2. Redistributions in binary form must reproduce the above copyright | |
12 | * notice, this list of conditions and the following disclaimer in the | |
13 | * documentation and/or other materials provided with the distribution. | |
14 | * | |
15 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS | |
16 | * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | |
17 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | |
18 | * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, | |
19 | * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | |
20 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR | |
21 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER | |
22 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
23 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
24 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
25 | * SUCH DAMAGE. | |
26 | */ | |
27 | ||
28 | #include <sys/types.h> | |
29 | #include <fcntl.h> | |
30 | #include <string.h> | |
31 | #include <unistd.h> | |
32 | #include <stdlib.h> | |
33 | ||
34 | /* Distinctly different from _PATH_NOLOGIN. */ | |
35 | #define _PATH_NOLOGIN_TXT "/etc/nologin.txt" | |
36 | ||
37 | #define DEFAULT_MESG "This account is currently not available.\n" | |
38 | ||
39 | /*ARGSUSED*/ | |
40 | int main(argc, argv) | |
41 | int argc; | |
42 | char *argv[]; | |
43 | { | |
44 | int nfd, nrd; | |
45 | char nbuf[128]; | |
46 | ||
47 | nfd = open(_PATH_NOLOGIN_TXT, O_RDONLY); | |
48 | if (nfd < 0) { | |
49 | write(STDOUT_FILENO, DEFAULT_MESG, strlen(DEFAULT_MESG)); | |
50 | exit (1); | |
51 | } | |
52 | ||
53 | while ((nrd = read(nfd, nbuf, sizeof(nbuf))) > 0) | |
54 | write(STDOUT_FILENO, nbuf, nrd); | |
55 | close (nfd); | |
56 | ||
57 | exit (1); | |
58 | } |