123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190 |
- /* $OpenBSD: mknod.c,v 1.13 2003/06/02 20:06:15 millert Exp $ */
- /* $NetBSD: mknod.c,v 1.8 1995/08/11 00:08:18 jtc Exp $ */
- /*
- * Copyright (c) 1989, 1990, 1993
- * The Regents of the University of California. All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * Kevin Fall.
- *
- * 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.
- * 3. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 THE REGENTS OR 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.
- */
- #include <sys/cdefs.h>
- __COPYRIGHT("@(#) Copyright (c) 1989, 1993\n\
- The Regents of the University of California. All rights reserved.\n");
- __SCCSID("@(#)mknod.c 8.1 (Berkeley) 6/5/93");
- __RCSID("$MirOS: src/sbin/mknod/mknod.c,v 1.3 2016/01/02 21:33:04 tg Exp $");
- #include <sys/types.h>
- #include <sys/stat.h>
- #include <stdio.h>
- #include <stdlib.h>
- #include <string.h>
- #include <unistd.h>
- #include <locale.h>
- #include <err.h>
- extern char *__progname;
- int domknod(int, char **, mode_t);
- int domkfifo(int, char **, mode_t);
- void usage(int);
- extern mode_t getmode(const void *, mode_t);
- extern void *setmode(const char *);
- int
- main(int argc, char *argv[])
- {
- int ch, ismkfifo = 0;
- void *set = NULL;
- mode_t mode = 0;
- if (strcmp(__progname, "mkfifo") == 0)
- ismkfifo = 1;
- while ((ch = getopt(argc, argv, "m:")) != -1)
- switch(ch) {
- case 'm':
- if (!(set = setmode(optarg))) {
- errx(1, "invalid file mode.");
- /* NOTREACHED */
- }
- /*
- * In symbolic mode strings, the + and - operators are
- * interpreted relative to an assumed initial mode of
- * a=rw.
- */
- mode = getmode(set, DEFFILEMODE);
- free(set);
- break;
- case '?':
- default:
- usage(ismkfifo);
- }
- argc -= optind;
- argv += optind;
- if (argv[0] == NULL)
- usage(ismkfifo);
- if (!ismkfifo) {
- if (argc == 2 && argv[1][0] == 'p') {
- ismkfifo = 2;
- argc--;
- argv[1] = NULL;
- } else if (argc != 4) {
- usage(ismkfifo);
- /* NOTREACHED */
- }
- }
- /*
- * If the user specified a mode via `-m', don't allow the umask
- * to modified it. If no `-m' flag was specified, the default
- * mode is the value of the bitwise inclusive or of S_IRUSR,
- * S_IWUSR, S_IRGRP, S_IWGRP, S_IROTH, and S_IWOTH as modified by
- * the umask.
- */
- if (set)
- (void)umask(0);
- else
- mode = DEFFILEMODE;
- if (ismkfifo)
- exit(domkfifo(argc, argv, mode));
- else
- exit(domknod(argc, argv, mode));
- }
- int
- domknod(int argc, char **argv, mode_t mode)
- {
- dev_t dev;
- char *endp;
- u_int major, minor;
- if (argv[1][0] == 'c')
- mode |= S_IFCHR;
- else if (argv[1][0] == 'b')
- mode |= S_IFBLK;
- else {
- errx(1, "node must be type 'b' or 'c'.");
- /* NOTREACHED */
- }
- major = (long)strtoul(argv[2], &endp, 0);
- if (endp == argv[2] || *endp != '\0') {
- errx(1, "non-numeric major number.");
- /* NOTREACHED */
- }
- minor = (long)strtoul(argv[3], &endp, 0);
- if (endp == argv[3] || *endp != '\0') {
- errx(1, "non-numeric minor number.");
- /* NOTREACHED */
- }
- dev = makedev(major, minor);
- if (major(dev) != major || minor(dev) != minor) {
- errx(1, "major or minor number too large");
- /* NOTREACHED */
- }
- if (mknod(argv[0], mode, dev) < 0) {
- err(1, "%s", argv[0]);
- /* NOTREACHED */
- }
- return(0);
- }
- int
- domkfifo(int argc, char **argv, mode_t mode)
- {
- int rv;
- for (rv = 0; *argv; ++argv) {
- if (mkfifo(*argv, mode) < 0) {
- warn("%s", *argv);
- rv = 1;
- }
- }
- return(rv);
- }
- void
- usage(int ismkfifo)
- {
- if (ismkfifo == 1)
- (void)fprintf(stderr, "usage: %s [-m mode] fifoname ...\n",
- __progname);
- else {
- (void)fprintf(stderr, "usage: %s [-m mode] name [b | c] major minor\n",
- __progname);
- (void)fprintf(stderr, "usage: %s [-m mode] name p\n",
- __progname);
- }
- exit(1);
- }
|