2 * Copyright (c) 1989, 1993
3 * The Regents of the University of California. All rights reserved.
5 * This code is derived from software contributed to Berkeley by
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 4. Neither the name of the University nor the names of its contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 static const char copyright[] =
35 "@(#) Copyright (c) 1989, 1993\n\
36 The Regents of the University of California. All rights reserved.\n";
41 static char sccsid[] = "@(#)mknod.c 8.1 (Berkeley) 6/5/93";
43 static const char rcsid[] =
47 #include <sys/types.h>
65 " mknod name [b | c] major minor [owner:group]\n");
70 id(const char *name, const char *type)
77 * We know that uid_t's and gid_t's are unsigned longs.
80 val = strtoul(name, &ep, 10);
84 errx(1, "%s: illegal %s name", name, type);
93 if (*s == '\0') /* Argument was "uid[:.]". */
94 errx(1, "group must be specified when the owner is");
95 return ((gr = getgrnam(s)) == NULL) ? id(s, "group") : gr->gr_gid;
103 if (*s == '\0') /* Argument was "[:.]gid". */
104 errx(1, "owner must be specified when the group is");
105 return ((pw = getpwnam(s)) == NULL) ? id(s, "user") : pw->pw_uid;
109 main(int argc, char **argv)
117 long mymajor, myminor;
119 if (argc != 2 && argc != 5 && argc != 6)
124 if (argv[2][0] == 'c')
126 else if (argv[2][0] == 'b')
129 errx(1, "node must be type 'b' or 'c'");
132 mymajor = (long)strtoul(argv[3], &endp, 0);
133 if (endp == argv[3] || *endp != '\0')
134 errx(1, "%s: non-numeric major number", argv[3]);
137 myminor = (long)strtoul(argv[4], &endp, 0);
138 if (endp == argv[4] || *endp != '\0')
139 errx(1, "%s: non-numeric minor number", argv[4]);
140 range_error |= errno;
141 dev = makedev(mymajor, myminor);
142 if (range_error || major(dev) != mymajor ||
143 (long)(u_int)minor(dev) != myminor)
144 errx(1, "major or minor number too large");
146 mode = 0666 | S_IFCHR;
152 /* have owner:group */
153 if ((cp = strchr(argv[5], ':')) != NULL) {
158 uid = a_uid(argv[5]);
161 if (mknod(argv[1], mode, dev) != 0)
162 err(1, "%s", argv[1]);
164 if (chown(argv[1], uid, gid))
165 err(1, "setting ownership on %s", argv[1]);