initial population

1 files changed, 427 insertions, 0 deletions

diff --git a/bin/mv/mv.c b/bin/mv/mv.c
new file mode 100644
index 0000000..e318d48
--- /dev/null
+++ b/bin/mv/mv.c
@@ -0,0 +1,427 @@
+/* $NetBSD: mv.c,v 1.45 2016/02/28 10:59:29 mrg Exp $ */
+
+/*
+ * Copyright (c) 1989, 1993, 1994
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Ken Smith of The State University of New York at Buffalo.
+ *
+ * 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>
+#ifndef lint
+__COPYRIGHT("@(#) Copyright (c) 1989, 1993, 1994\
+ The Regents of the University of California.  All rights reserved.");
+#endif /* not lint */
+
+#ifndef lint
+#if 0
+static char sccsid[] = "@(#)mv.c	8.2 (Berkeley) 4/2/94";
+#else
+__RCSID("$NetBSD: mv.c,v 1.45 2016/02/28 10:59:29 mrg Exp $");
+#endif
+#endif /* not lint */
+
+#include <sys/param.h>
+#include <sys/time.h>
+#include <sys/wait.h>
+#include <sys/stat.h>
+#include <sys/extattr.h>
+
+#include <err.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <grp.h>
+#include <locale.h>
+#include <pwd.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "pathnames.h"
+
+static int fflg, iflg, vflg;
+static int stdin_ok;
+static sig_atomic_t pinfo;
+
+static int	copy(char *, char *);
+static int	do_move(char *, char *);
+static int	fastcopy(char *, char *, struct stat *);
+__dead static void	usage(void);
+
+static void
+progress(int sig __unused)
+{
+
+	pinfo++;
+}
+
+int
+main(int argc, char *argv[])
+{
+	int ch, len, rval;
+	char *p, *endp;
+	struct stat sb;
+	char path[MAXPATHLEN + 1];
+	size_t baselen;
+
+	setprogname(argv[0]);
+	(void)setlocale(LC_ALL, "");
+
+	while ((ch = getopt(argc, argv, "ifv")) != -1)
+		switch (ch) {
+		case 'i':
+			fflg = 0;
+			iflg = 1;
+			break;
+		case 'f':
+			iflg = 0;
+			fflg = 1;
+			break;
+		case 'v':
+			vflg = 1;
+			break;
+		default:
+			usage();
+		}
+	argc -= optind;
+	argv += optind;
+
+	if (argc < 2)
+		usage();
+
+	stdin_ok = isatty(STDIN_FILENO);
+
+	(void)signal(SIGINFO, progress);
+
+	/*
+	 * If the stat on the target fails or the target isn't a directory,
+	 * try the move.  More than 2 arguments is an error in this case.
+	 */
+	if (stat(argv[argc - 1], &sb) || !S_ISDIR(sb.st_mode)) {
+		if (argc > 2)
+			usage();
+		exit(do_move(argv[0], argv[1]));
+	}
+
+	/* It's a directory, move each file into it. */
+	baselen = strlcpy(path, argv[argc - 1], sizeof(path));
+	if (baselen >= sizeof(path))
+		errx(1, "%s: destination pathname too long", argv[argc - 1]);
+	endp = &path[baselen];
+	if (!baselen || *(endp - 1) != '/') {
+		*endp++ = '/';
+		++baselen;
+	}
+	for (rval = 0; --argc; ++argv) {
+		p = *argv + strlen(*argv) - 1;
+		while (*p == '/' && p != *argv)
+			*p-- = '\0';
+		if ((p = strrchr(*argv, '/')) == NULL)
+			p = *argv;
+		else
+			++p;
+
+		if ((baselen + (len = strlen(p))) >= MAXPATHLEN) {
+			warnx("%s: destination pathname too long", *argv);
+			rval = 1;
+		} else {
+			memmove(endp, p, len + 1);
+			if (do_move(*argv, path))
+				rval = 1;
+		}
+	}
+	exit(rval);
+	/* NOTREACHED */
+}
+
+static int
+do_move(char *from, char *to)
+{
+	struct stat sb;
+	char modep[15];
+
+	/*
+	 * (1)	If the destination path exists, the -f option is not specified
+	 *	and either of the following conditions are true:
+	 *
+	 *	(a) The permissions of the destination path do not permit
+	 *	    writing and the standard input is a terminal.
+	 *	(b) The -i option is specified.
+	 *
+	 *	the mv utility shall write a prompt to standard error and
+	 *	read a line from standard input.  If the response is not
+	 *	affirmative, mv shall do nothing more with the current
+	 *	source file...
+	 */
+	if (!fflg && !access(to, F_OK)) {
+		int ask = 1;
+		int ch;
+
+		if (iflg) {
+			if (access(from, F_OK)) {
+				warn("rename %s", from);
+				return (1);
+			}
+			(void)fprintf(stderr, "overwrite %s? ", to);
+		} else if (stdin_ok && access(to, W_OK) && !stat(to, &sb)) {
+			if (access(from, F_OK)) {
+				warn("rename %s", from);
+				return (1);
+			}
+			strmode(sb.st_mode, modep);
+			(void)fprintf(stderr, "override %s%s%s/%s for %s? ",
+			    modep + 1, modep[9] == ' ' ? "" : " ",
+			    user_from_uid(sb.st_uid, 0),
+			    group_from_gid(sb.st_gid, 0), to);
+		} else
+			ask = 0;
+		if (ask) {
+			if ((ch = getchar()) != EOF && ch != '\n') {
+				int ch2;
+				while ((ch2 = getchar()) != EOF && ch2 != '\n')
+					continue;
+			}
+			if (ch != 'y' && ch != 'Y')
+				return (0);
+		}
+	}
+
+	/*
+	 * (2)	If rename() succeeds, mv shall do nothing more with the
+	 *	current source file.  If it fails for any other reason than
+	 *	EXDEV, mv shall write a diagnostic message to the standard
+	 *	error and do nothing more with the current source file.
+	 *
+	 * (3)	If the destination path exists, and it is a file of type
+	 *	directory and source_file is not a file of type directory,
+	 *	or it is a file not of type directory, and source file is
+	 *	a file of type directory, mv shall write a diagnostic
+	 *	message to standard error, and do nothing more with the
+	 *	current source file...
+	 */
+	if (!rename(from, to)) {
+		if (vflg)
+			printf("%s -> %s\n", from, to);
+		return (0);
+	}
+
+	if (errno != EXDEV) {
+		warn("rename %s to %s", from, to);
+		return (1);
+	}
+
+	/*
+	 * (4)	If the destination path exists, mv shall attempt to remove it.
+	 *	If this fails for any reason, mv shall write a diagnostic
+	 *	message to the standard error and do nothing more with the
+	 *	current source file...
+	 */
+	if (!lstat(to, &sb)) {
+		if ((S_ISDIR(sb.st_mode)) ? rmdir(to) : unlink(to)) {
+			warn("can't remove %s", to);
+			return (1);
+		}
+	}
+
+	/*
+	 * (5)	The file hierarchy rooted in source_file shall be duplicated
+	 *	as a file hierarchy rooted in the destination path...
+	 */
+	if (lstat(from, &sb)) {
+		warn("%s", from);
+		return (1);
+	}
+
+	return (S_ISREG(sb.st_mode) ?
+	    fastcopy(from, to, &sb) : copy(from, to));
+}
+
+static int
+fastcopy(char *from, char *to, struct stat *sbp)
+{
+#if defined(__NetBSD__)
+	struct timespec ts[2];
+#else
+	struct timeval tval[2];
+#endif
+	static blksize_t blen;
+	static char *bp;
+	int from_fd, to_fd;
+	ssize_t nread;
+	off_t total = 0;
+
+	if ((from_fd = open(from, O_RDONLY, 0)) < 0) {
+		warn("%s", from);
+		return (1);
+	}
+	if ((to_fd =
+	    open(to, O_CREAT | O_TRUNC | O_WRONLY, sbp->st_mode)) < 0) {
+		warn("%s", to);
+		(void)close(from_fd);
+		return (1);
+	}
+	if (!blen && !(bp = malloc(blen = sbp->st_blksize))) {
+		warn(NULL);
+		blen = 0;
+		(void)close(from_fd);
+		(void)close(to_fd);
+		return (1);
+	}
+	while ((nread = read(from_fd, bp, blen)) > 0) {
+		if (write(to_fd, bp, nread) != nread) {
+			warn("%s", to);
+			goto err;
+		}
+		total += nread;
+		if (pinfo) {
+			int pcent = (int)((100.0 * total) / sbp->st_size);
+
+			pinfo = 0;
+			(void)fprintf(stderr, "%s => %s %llu/%llu bytes %d%% "
+			    "written\n", from, to, (unsigned long long)total,
+			    (unsigned long long)sbp->st_size, pcent);
+		}
+	}
+	if (nread < 0) {
+		warn("%s", from);
+err:		if (unlink(to))
+			warn("%s: remove", to);
+		(void)close(from_fd);
+		(void)close(to_fd);
+		return (1);
+	}
+
+	if (fcpxattr(from_fd, to_fd) == -1)
+		warn("%s: error copying extended attributes", to);
+
+	(void)close(from_fd);
+#ifdef BSD4_4
+#if defined(__NetBSD__)
+	ts[0] = sbp->st_atimespec;
+	ts[1] = sbp->st_mtimespec;
+#else
+	TIMESPEC_TO_TIMEVAL(&tval[0], &sbp->st_atimespec);
+	TIMESPEC_TO_TIMEVAL(&tval[1], &sbp->st_mtimespec);
+#endif
+#else
+	tval[0].tv_sec = sbp->st_atime;
+	tval[1].tv_sec = sbp->st_mtime;
+	tval[0].tv_usec = 0;
+	tval[1].tv_usec = 0;
+#endif
+#ifdef __SVR4
+	if (utimes(to, tval))
+#else
+#if defined(__NetBSD__)
+	if (futimens(to_fd, ts))
+#else
+	if (futimes(to_fd, tval))
+#endif
+#endif
+		warn("%s: set times", to);
+	if (fchown(to_fd, sbp->st_uid, sbp->st_gid)) {
+		if (errno != EPERM)
+			warn("%s: set owner/group", to);
+		sbp->st_mode &= ~(S_ISUID | S_ISGID);
+	}
+	if (fchmod(to_fd, sbp->st_mode))
+		warn("%s: set mode", to);
+	if (fchflags(to_fd, sbp->st_flags) && (errno != EOPNOTSUPP))
+		warn("%s: set flags (was: 0%07o)", to, sbp->st_flags);
+
+	if (close(to_fd)) {
+		warn("%s", to);
+		return (1);
+	}
+
+	if (unlink(from)) {
+		warn("%s: remove", from);
+		return (1);
+	}
+
+	if (vflg)
+		printf("%s -> %s\n", from, to);
+
+	return (0);
+}
+
+static int
+copy(char *from, char *to)
+{
+	pid_t pid;
+	int status;
+
+	if ((pid = vfork()) == 0) {
+		execl(_PATH_CP, "mv", vflg ? "-PRpv" : "-PRp", "--", from, to, NULL);
+		warn("%s", _PATH_CP);
+		_exit(1);
+	}
+	if (waitpid(pid, &status, 0) == -1) {
+		warn("%s: waitpid", _PATH_CP);
+		return (1);
+	}
+	if (!WIFEXITED(status)) {
+		warnx("%s: did not terminate normally", _PATH_CP);
+		return (1);
+	}
+	if (WEXITSTATUS(status)) {
+		warnx("%s: terminated with %d (non-zero) status",
+		    _PATH_CP, WEXITSTATUS(status));
+		return (1);
+	}
+	if (!(pid = vfork())) {
+		execl(_PATH_RM, "mv", "-rf", "--", from, NULL);
+		warn("%s", _PATH_RM);
+		_exit(1);
+	}
+	if (waitpid(pid, &status, 0) == -1) {
+		warn("%s: waitpid", _PATH_RM);
+		return (1);
+	}
+	if (!WIFEXITED(status)) {
+		warnx("%s: did not terminate normally", _PATH_RM);
+		return (1);
+	}
+	if (WEXITSTATUS(status)) {
+		warnx("%s: terminated with %d (non-zero) status",
+		    _PATH_RM, WEXITSTATUS(status));
+		return (1);
+	}
+	return (0);
+}
+
+static void
+usage(void)
+{
+	(void)fprintf(stderr, "usage: %s [-fiv] source target\n"
+	    "       %s [-fiv] source ... directory\n", getprogname(),
+	    getprogname());
+	exit(1);
+	/* NOTREACHED */
+}