mkdir/mkdir.c

   1 /*
   2  * Copyright (c) 1983, 1992, 1993
   3  *      The Regents of the University of California.  All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  * 3. All advertising materials mentioning features or use of this software
  14  *    must display the following acknowledgement:
  15  *      This product includes software developed by the University of
  16  *      California, Berkeley and its contributors.
  17  * 4. Neither the name of the University nor the names of its contributors
  18  *    may be used to endorse or promote products derived from this software
  19  *    without specific prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  31  * SUCH DAMAGE.
  32  */
  33
  34 #ifndef lint
  35 static char const copyright[] =
  36 "@(#) Copyright (c) 1983, 1992, 1993\n\
  37         The Regents of the University of California.  All rights reserved.\n";
  38 #endif /* not lint */
  39
  40 #ifndef lint
  41 #if 0
  42 static char sccsid[] = "@(#)mkdir.c     8.2 (Berkeley) 1/25/94";
  43 #endif
  44 #endif /* not lint */
  45 #include <sys/cdefs.h>
  46 __RCSID("$FreeBSD: src/bin/mkdir/mkdir.c,v 1.26 2002/06/30 05:13:54 obrien Exp $");
  47
  48 #include <sys/types.h>
  49 #include <sys/stat.h>
  50
  51 #include <err.h>
  52 #include <errno.h>
  53 #include <libgen.h>
  54 #include <stdio.h>
  55 #include <stdlib.h>
  56 #include <string.h>
  57 #include <sysexits.h>
  58 #include <unistd.h>
  59
  60 static void     usage(void);
  61
  62 int vflag;
  63
  64 int
  65 main(int argc, char *argv[])
  66 {
  67         int ch, exitval, success, pflag;
  68         mode_t omode, *set = (mode_t *)NULL;
  69         char *mode;
  70
  71         pflag = 0;
  72         mode = NULL;
  73         while ((ch = getopt(argc, argv, "m:pv")) != -1)
  74                 switch(ch) {
  75                 case 'm':
  76                         mode = optarg;
  77                         break;
  78                 case 'p':
  79                         pflag = 1;
  80                         break;
  81                 case 'v':
  82                         vflag = 1;
  83                         break;
  84                 case '?':
  85                 default:
  86                         usage();
  87                 }
  88
  89 //      argc -= optind;
  90         argv += optind;
  91         if (argv[0] == NULL)
  92                 usage();
  93
  94         if (mode == NULL) {
  95                 omode = S_IRWXU | S_IRWXG | S_IRWXO;
  96         } else {
  97                 if ((set = setmode(mode)) == NULL)
  98                         errx(1, "invalid file mode: %s", mode);
  99                 omode = getmode(set, S_IRWXU | S_IRWXG | S_IRWXO);
 100                 free(set);
 101         }
 102
 103         for (exitval = 0; *argv != NULL; ++argv) {
 104                 success = 1;
 105                 if (pflag) {
 106                         int status = mkpath_np(*argv, omode);
 107                         if (status && status != EEXIST) {
 108                                 warnc(status, "%s", *argv);
 109                                 success = 0;
 110                         }
 111                 } else if (mkdir(*argv, omode) < 0) {
 112                         if (errno == ENOTDIR || errno == ENOENT)
 113                                 warn("%s", dirname(*argv));
 114                         else
 115                                 warn("%s", *argv);
 116                         success = 0;
 117                 } else if (vflag)
 118                         (void)printf("mkdir: created directory '%s'\n", *argv);
 119
 120                 if (!success)
 121                         exitval = 1;
 122                 /*
 123                  * The mkdir() and umask() calls both honor only the low
 124                  * nine bits, so if you try to set a mode including the
 125                  * sticky, setuid, setgid bits you lose them.  Don't do
 126                  * this unless the user has specifically requested a mode,
 127                  * as chmod will (obviously) ignore the umask.
 128                  */
 129                 if (success && mode != NULL && chmod(*argv, omode) == -1) {
 130                         warn("%s", *argv);
 131                         exitval = 1;
 132                 }
 133         }
 134         exit(exitval);
 135 }
 136
 137 void
 138 usage(void)
 139 {
 140
 141         (void)fprintf(stderr, "usage: mkdir [-pv] [-m mode] directory ...\n");
 142         exit (EX_USAGE);
 143 }