GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: bin/mkdir/mkdir.c Lines: 42 56 75.0 %
Date: 2017-11-13 Branches: 26 39 66.7 %

Line Branch Exec Source
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/*	$OpenBSD: mkdir.c,v 1.30 2016/10/19 18:20:25 schwarze Exp $	*/
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/*	$NetBSD: mkdir.c,v 1.14 1995/06/25 21:59:21 mycroft Exp $	*/
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/*
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 * Copyright (c) 1983, 1992, 1993
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 *	The Regents of the University of California.  All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 * 1. Redistributions of source code must retain the above copyright
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 *    notice, this list of conditions and the following disclaimer.
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 * 2. Redistributions in binary form must reproduce the above copyright
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 *    notice, this list of conditions and the following disclaimer in the
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 *    documentation and/or other materials provided with the distribution.
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 * 3. Neither the name of the University nor the names of its contributors
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 *    may be used to endorse or promote products derived from this software
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 *    without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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 * SUCH DAMAGE.
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 */
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <err.h>
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#include <errno.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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extern char *__progname;
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int	mkpath(char *, mode_t, mode_t);
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static void __dead usage(void);
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int
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main(int argc, char *argv[])
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{
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	int ch, rv, exitval, pflag;
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	void *set;
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	mode_t mode, dir_mode;
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	/*
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	 * The default file mode is a=rwx (0777) with selected permissions
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	 * removed in accordance with the file mode creation mask.  For
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	 * intermediate path name components, the mode is the default modified
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	 * by u+wx so that the subdirectories can always be created.
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	 */
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1064
	mode = 0777 & ~umask(0);
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	dir_mode = mode | S_IWUSR | S_IXUSR;
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	pflag = 0;
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2064
	while ((ch = getopt(argc, argv, "m:p")) != -1)
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500
		switch(ch) {
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		case 'p':
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			pflag = 1;
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			break;
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		case 'm':
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			if ((set = setmode(optarg)) == NULL)
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				errx(1, "invalid file mode: %s", optarg);
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			mode = getmode(set, S_IRWXU | S_IRWXG | S_IRWXO);
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			free(set);
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			break;
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		default:
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			usage();
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		}
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	argc -= optind;
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	argv += optind;
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	if ((mode & (S_ISUID | S_ISGID | S_ISTXT)) == 0) {
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		if (pledge("stdio rpath cpath fattr flock wpath", NULL) == -1)
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			err(1, "pledge");
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	}
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	if (*argv == NULL)
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		usage();
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	for (exitval = 0; *argv != NULL; ++argv) {
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		char *slash;
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		/* Remove trailing slashes, per POSIX. */
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		slash = strrchr(*argv, '\0');
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		while (--slash > *argv && *slash == '/')
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			*slash = '\0';
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		if (pflag) {
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			rv = mkpath(*argv, mode, dir_mode);
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		} else {
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			rv = mkdir(*argv, mode);
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			/*
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			 * The mkdir() and umask() calls both honor only the
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			 * low nine bits, so if you try to set a mode including
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			 * the sticky, setuid, setgid bits you lose them. Don't
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			 * do this unless the user has specifically requested
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			 * a mode as chmod will (obviously) ignore the umask.
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			 */
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			if (rv == 0 && mode > 0777)
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				rv = chmod(*argv, mode);
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		}
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		if (rv < 0) {
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			warn("%s", *argv);
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			exitval = 1;
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		}
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	}
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	return exitval;
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}
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/*
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 * mkpath -- create directories.
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 *	path     - path
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 *	mode     - file mode of terminal directory
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 *	dir_mode - file mode of intermediate directories
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 */
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int
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mkpath(char *path, mode_t mode, mode_t dir_mode)
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{
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	struct stat sb;
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	char *slash;
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	int done;
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	slash = path;
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	for (;;) {
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		slash += strspn(slash, "/");
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		slash += strcspn(slash, "/");
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		done = (*slash == '\0');
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		*slash = '\0';
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		if (mkdir(path, done ? mode : dir_mode) == 0) {
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			if (mode > 0777 && chmod(path, mode) < 0)
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				return (-1);
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		} else {
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			int mkdir_errno = errno;
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			if (stat(path, &sb)) {
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				/* Not there; use mkdir()s errno */
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				errno = mkdir_errno;
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				return (-1);
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			}
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			if (!S_ISDIR(sb.st_mode)) {
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				/* Is there, but isn't a directory */
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				errno = ENOTDIR;
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				return (-1);
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			}
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		}
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		if (done)
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			break;
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		*slash = '/';
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	}
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	return (0);
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}
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static void __dead
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usage(void)
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{
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	(void)fprintf(stderr, "usage: %s [-p] [-m mode] directory ...\n",
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	    __progname);
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	exit(1);
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}