-/* $NetBSD: mv.c,v 1.19 1998/07/28 11:41:49 mycroft Exp $ */
-
/*
* Copyright (c) 1989, 1993, 1994
* The Regents of the University of California. All rights reserved.
#include <sys/cdefs.h>
#ifndef lint
-__COPYRIGHT("@(#) Copyright (c) 1989, 1993, 1994\n\
- The Regents of the University of California. All rights reserved.\n");
+__used static char const copyright[] =
+"@(#) Copyright (c) 1989, 1993, 1994\n\
+ The Regents of the University of California. All rights reserved.\n";
#endif /* not lint */
#ifndef lint
#if 0
static char sccsid[] = "@(#)mv.c 8.2 (Berkeley) 4/2/94";
-#else
-__RCSID("$NetBSD: mv.c,v 1.19 1998/07/28 11:41:49 mycroft Exp $");
#endif
#endif /* not lint */
+#include <sys/cdefs.h>
+__RCSID("$FreeBSD: src/bin/mv/mv.c,v 1.39 2002/07/09 17:45:13 johan Exp $");
#include <sys/param.h>
#include <sys/time.h>
#include <sys/wait.h>
#include <sys/stat.h>
+#include <sys/mount.h>
#include <err.h>
#include <errno.h>
#include <fcntl.h>
-#include <locale.h>
+#include <grp.h>
+#include <limits.h>
+#include <paths.h>
+#include <pwd.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
+#include <sysexits.h>
#include <unistd.h>
-#include <pwd.h>
-#include <grp.h>
+
+#ifdef __APPLE__
+#include <copyfile.h>
+#include <sys/mount.h>
+#endif
+
+#ifdef __APPLE__
+#include <get_compat.h>
+#else
+#define COMPAT_MODE(a,b) (1)
+#endif /* __APPLE__ */
#include "pathnames.h"
-int fflg, iflg;
-int stdin_ok;
+int fflg, iflg, nflg, vflg;
-int copy __P((char *, char *));
-int do_move __P((char *, char *));
-int fastcopy __P((char *, char *, struct stat *));
-void usage __P((void));
-int main __P((int, char *[]));
+int copy(char *, char *);
+int do_move(char *, char *);
+int fastcopy(char *, char *, struct stat *);
+void usage(void);
int
-main(argc, argv)
- int argc;
- char *argv[];
+main(int argc, char *argv[])
{
- int baselen, len, rval;
+ size_t baselen, len;
+ int rval;
char *p, *endp;
struct stat sb;
+#ifdef __APPLE__
+ struct stat fsb, tsb;
+#endif /* __APPLE__ */
int ch;
- char path[MAXPATHLEN + 1];
-
- (void)setlocale(LC_ALL, "");
+ char path[PATH_MAX];
- while ((ch = getopt(argc, argv, "if")) != -1)
+ while ((ch = getopt(argc, argv, "finv")) != -1)
switch (ch) {
case 'i':
- fflg = 0;
iflg = 1;
+ fflg = nflg = 0;
break;
case 'f':
- iflg = 0;
fflg = 1;
+ iflg = nflg = 0;
+ break;
+ case 'n':
+ nflg = 1;
+ fflg = iflg = 0;
+ break;
+ case 'v':
+ vflg = 1;
break;
- case '?':
default:
usage();
}
if (argc < 2)
usage();
- stdin_ok = isatty(STDIN_FILENO);
-
/*
* 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.
usage();
exit(do_move(argv[0], argv[1]));
}
+
+#ifdef __APPLE__
+ if (argc == 2 && !lstat(argv[0], &fsb) && !lstat(argv[1], &tsb) &&
+ fsb.st_ino == tsb.st_ino && fsb.st_dev == tsb.st_dev &&
+ fsb.st_gen == tsb.st_gen) {
+ /*
+ * We appear to be trying to move a directory into itself,
+ * but it may be that the filesystem is case insensitive and
+ * we are trying to rename the directory to a case-variant.
+ * Ignoring trailing slashes, we look for any difference in
+ * the directory names. If there is a difference we do
+ * the rename, otherwise we fall-thru to the traditional
+ * error. Note the lstat calls above (rather than stat)
+ * permit the renaming of symlinks to case-variants.
+ */
+ char *q;
+
+ for (p = argv[0] + strlen(argv[0]); p != argv[0]; ) {
+ p--;
+ if (*p != '/')
+ break;
+ }
+ for (q = argv[1] + strlen(argv[1]); q != argv[1]; ) {
+ q--;
+ if (*q != '/')
+ break;
+ }
+ for ( ; ; p--, q--) {
+ if (*p != *q)
+ exit(do_move(argv[0], argv[1]));
+ if (*p == '/')
+ break;
+ if (p == argv[0]) {
+ if (q == argv[1] || *(q-1) == '/')
+ break;
+ exit(do_move(argv[0], argv[1]));
+ }
+ if (q == argv[1]) {
+ if (p == argv[0] || *(p-1) == '/')
+ break;
+ exit(do_move(argv[0], argv[1]));
+ }
+ }
+ }
+#endif /* __APPLE__ */
/* It's a directory, move each file into it. */
+ if (strlen(argv[argc - 1]) > sizeof(path) - 1)
+ errx(1, "%s: destination pathname too long", *argv);
(void)strcpy(path, argv[argc - 1]);
baselen = strlen(path);
endp = &path[baselen];
- *endp++ = '/';
- ++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) {
+ /*
+ * Find the last component of the source pathname. It
+ * may have trailing slashes.
+ */
+ p = *argv + strlen(*argv);
+ while (p != *argv && p[-1] == '/')
+ --p;
+ while (p != *argv && p[-1] != '/')
+ --p;
+
+ if ((baselen + (len = strlen(p))) >= PATH_MAX) {
warnx("%s: destination pathname too long", *argv);
rval = 1;
} else {
- memmove(endp, p, len + 1);
- if (do_move(*argv, path))
- rval = 1;
+ memmove(endp, p, (size_t)len + 1);
+ if (COMPAT_MODE("bin/mv", "unix2003")) {
+ /*
+ * For Unix 2003 compatibility, check if old and new are
+ * same file, and produce an error * (like on Sun) that
+ * conformance test 66 in mv.ex expects.
+ */
+ if (!stat(*argv, &fsb) && !stat(path, &tsb) &&
+ fsb.st_ino == tsb.st_ino &&
+ fsb.st_dev == tsb.st_dev &&
+ fsb.st_gen == tsb.st_gen) {
+ (void)fprintf(stderr, "mv: %s and %s are identical\n",
+ *argv, path);
+ rval = 2; /* Like the Sun */
+ } else {
+ if (do_move(*argv, path))
+ rval = 1;
+ }
+ } else {
+ if (do_move(*argv, path))
+ rval = 1;
+ }
}
}
exit(rval);
- /* NOTREACHED */
}
int
-do_move(from, to)
- char *from, *to;
+do_move(char *from, char *to)
{
struct stat sb;
+ int ask, ch, first;
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 perimissions 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...
+ * Check access. If interactive and file exists, ask user if it
+ * should be replaced. Otherwise if file exists but isn't writable
+ * make sure the user wants to clobber it.
*/
if (!fflg && !access(to, F_OK)) {
- int ask = 1;
- int ch;
- if (iflg) {
- (void)fprintf(stderr, "overwrite %s? ", to);
- } else if (stdin_ok && access(to, W_OK) && !stat(to, &sb)) {
+ /* prompt only if source exist */
+ if (lstat(from, &sb) == -1) {
+ warn("%s", from);
+ return (1);
+ }
+
+#define YESNO "(y/n [n]) "
+ ask = 0;
+ if (nflg) {
+ if (vflg)
+ printf("%s not overwritten\n", to);
+ return (0);
+ } else if (iflg) {
+ (void)fprintf(stderr, "overwrite %s? %s", to, YESNO);
+ ask = 1;
+ } else if (access(to, W_OK) && !stat(to, &sb)) {
strmode(sb.st_mode, modep);
- (void)fprintf(stderr, "override %s%s%s/%s for %s? ",
+ (void)fprintf(stderr, "override %s%s%s/%s for %s? %s",
modep + 1, modep[9] == ' ' ? "" : " ",
user_from_uid(sb.st_uid, 0),
- group_from_gid(sb.st_gid, 0), to);
- } else
- ask = 0;
+ group_from_gid(sb.st_gid, 0), to, YESNO);
+ ask = 1;
+ }
if (ask) {
- if ((ch = getchar()) != EOF && ch != '\n')
- while (getchar() != '\n');
- if (ch != 'y' && ch != 'Y')
+ first = ch = getchar();
+ while (ch != '\n' && ch != EOF)
+ ch = getchar();
+ if (first != 'y' && first != 'Y') {
+ (void)fprintf(stderr, "not overwritten\n");
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 (!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);
+ if (errno == EXDEV) {
+ struct statfs sfs;
+ char path[PATH_MAX];
+
+ /* Can't mv(1) a mount point. */
+ if (realpath(from, path) == NULL) {
+ warnx("cannot resolve %s: %s", from, path);
return (1);
}
+ if (!statfs(path, &sfs) && !strcmp(path, sfs.f_mntonname)) {
+ warnx("cannot rename a mount point");
+ return (1);
+ }
+ } else {
+ warn("rename %s to %s", from, to);
+ return (1);
}
/*
- * (5) The file hierarchy rooted in source_file shall be duplicated
- * as a file hierarchy rooted in the destination path...
+ * If rename fails because we're trying to cross devices, and
+ * it's a regular file, do the copy internally; otherwise, use
+ * cp and rm.
*/
if (lstat(from, &sb)) {
warn("%s", from);
}
int
-fastcopy(from, to, sbp)
- char *from, *to;
- struct stat *sbp;
+fastcopy(char *from, char *to, struct stat *sbp)
{
struct timeval tval[2];
static u_int blen;
static char *bp;
- int nread, from_fd, to_fd;
+ mode_t oldmode;
+ ssize_t nread;
+ int from_fd, to_fd;
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) {
+ if (blen < sbp->st_blksize) {
+ if (bp != NULL)
+ free(bp);
+ if ((bp = malloc((size_t)sbp->st_blksize)) == NULL) {
+ blen = 0;
+ warnx("malloc failed");
+ return (1);
+ }
+ blen = sbp->st_blksize;
+ }
+ while ((to_fd =
+ open(to, O_CREAT | O_EXCL | O_TRUNC | O_WRONLY, 0)) < 0) {
+ if (errno == EEXIST && unlink(to) == 0)
+ continue;
warn("%s", to);
(void)close(from_fd);
return (1);
}
- if (!blen && !(bp = malloc(blen = sbp->st_blksize))) {
- warn("%s", "");
- return (1);
- }
- while ((nread = read(from_fd, bp, blen)) > 0)
- if (write(to_fd, bp, nread) != nread) {
+#ifdef __APPLE__
+ {
+ struct statfs sfs;
+
+ /*
+ * Pre-allocate blocks for the destination file if it
+ * resides on Xsan.
+ */
+ if (fstatfs(to_fd, &sfs) == 0 &&
+ strcmp(sfs.f_fstypename, "acfs") == 0) {
+ fstore_t fst;
+
+ fst.fst_flags = 0;
+ fst.fst_posmode = F_PEOFPOSMODE;
+ fst.fst_offset = 0;
+ fst.fst_length = sbp->st_size;
+
+ (void) fcntl(to_fd, F_PREALLOCATE, &fst);
+ }
+ }
+#endif /* __APPLE__ */
+ while ((nread = read(from_fd, bp, (size_t)blen)) > 0)
+ if (write(to_fd, bp, (size_t)nread) != nread) {
warn("%s", to);
goto err;
}
(void)close(to_fd);
return (1);
}
+#ifdef __APPLE__
+ /* XATTR can fail if to_fd has mode 000 */
+ if (fcopyfile(from_fd, to_fd, NULL, COPYFILE_ACL | COPYFILE_XATTR) < 0) {
+ warn("%s: unable to move extended attributes and ACL from %s",
+ to, from);
+ }
+#endif
(void)close(from_fd);
- TIMESPEC_TO_TIMEVAL(&tval[0], &sbp->st_atimespec);
- TIMESPEC_TO_TIMEVAL(&tval[1], &sbp->st_mtimespec);
-#ifndef __APPLE__
- if (futimes(to_fd, tval))
-#else
- if (utimes(to, tval))
-#endif
- warn("%s: set times", to);
+ oldmode = sbp->st_mode & ALLPERMS;
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);
+ warn("%s: set owner/group (was: %lu/%lu)", to,
+ (u_long)sbp->st_uid, (u_long)sbp->st_gid);
+ if (oldmode & (S_ISUID | S_ISGID)) {
+ warnx(
+"%s: owner/group changed; clearing suid/sgid (mode was 0%03o)",
+ to, oldmode);
+ sbp->st_mode &= ~(S_ISUID | S_ISGID);
+ }
}
if (fchmod(to_fd, sbp->st_mode))
- warn("%s: set mode", to);
+ warn("%s: set mode (was: 0%03o)", to, oldmode);
+ /*
+ * XXX
+ * NFS doesn't support chflags; ignore errors unless there's reason
+ * to believe we're losing bits. (Note, this still won't be right
+ * if the server supports flags and we were trying to *remove* flags
+ * on a file that we copied, i.e., that we didn't create.)
+ */
+ errno = 0;
+ if (fchflags(to_fd, (u_int)sbp->st_flags))
+ if (errno != ENOTSUP || sbp->st_flags != 0)
+ warn("%s: set flags (was: 0%07o)", to, sbp->st_flags);
+
+ tval[0].tv_sec = sbp->st_atime;
+ tval[1].tv_sec = sbp->st_mtime;
+ tval[0].tv_usec = tval[1].tv_usec = 0;
+ if (utimes(to, tval))
+ warn("%s: set times", to);
if (close(to_fd)) {
warn("%s", to);
warn("%s: remove", from);
return (1);
}
+ if (vflg)
+ printf("%s -> %s\n", from, to);
return (0);
}
int
-copy(from, to)
- char *from, *to;
+copy(char *from, char *to)
{
int pid, status;
+
+ /* posix_spawn mv from to && rm from */
- if ((pid = vfork()) == 0) {
- execl(_PATH_CP, "mv", "-PRp", from, to, NULL);
+ if ((pid = fork()) == 0) {
+ execl(_PATH_CP, "mv", vflg ? "-PRpv" : "-PRp", "--", from, to,
+ (char *)NULL);
warn("%s", _PATH_CP);
_exit(1);
}
return (1);
}
if (!WIFEXITED(status)) {
- warn("%s: did not terminate normally", _PATH_CP);
+ warnx("%s: did not terminate normally", _PATH_CP);
return (1);
}
if (WEXITSTATUS(status)) {
- warn("%s: terminated with %d (non-zero) 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);
+ execl(_PATH_RM, "mv", "-rf", "--", from, (char *)NULL);
warn("%s", _PATH_RM);
_exit(1);
}
return (1);
}
if (!WIFEXITED(status)) {
- warn("%s: did not terminate normally", _PATH_RM);
+ warnx("%s: did not terminate normally", _PATH_RM);
return (1);
}
if (WEXITSTATUS(status)) {
- warn("%s: terminated with %d (non-zero) status",
+ warnx("%s: terminated with %d (non-zero) status",
_PATH_RM, WEXITSTATUS(status));
return (1);
}
}
void
-usage()
+usage(void)
{
- (void)fprintf(stderr, "usage: mv [-fi] source target\n");
- (void)fprintf(stderr, " mv [-fi] source ... directory\n");
- exit(1);
- /* NOTREACHED */
+ (void)fprintf(stderr, "%s\n%s\n",
+ "usage: mv [-f | -i | -n] [-v] source target",
+ " mv [-f | -i | -n] [-v] source ... directory");
+ exit(EX_USAGE);
}
projects / apple / file_cmds.git / blobdiff