aboutsummaryrefslogtreecommitdiff
path: root/bin/cp/utils.c
diff options
context:
space:
mode:
Diffstat (limited to 'bin/cp/utils.c')
-rw-r--r--bin/cp/utils.c505
1 files changed, 209 insertions, 296 deletions
diff --git a/bin/cp/utils.c b/bin/cp/utils.c
index e7ae0c9dd733..2036056ada68 100644
--- a/bin/cp/utils.c
+++ b/bin/cp/utils.c
@@ -29,27 +29,16 @@
* SUCH DAMAGE.
*/
-#ifndef lint
-#if 0
-static char sccsid[] = "@(#)utils.c 8.3 (Berkeley) 4/1/94";
-#endif
-#endif /* not lint */
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
-
-#include <sys/types.h>
-#include <sys/acl.h>
#include <sys/param.h>
+#include <sys/acl.h>
#include <sys/stat.h>
-#ifdef VM_AND_BUFFER_CACHE_SYNCHRONIZED
-#include <sys/mman.h>
-#endif
#include <err.h>
#include <errno.h>
#include <fcntl.h>
#include <fts.h>
#include <limits.h>
+#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <sysexits.h>
@@ -74,12 +63,28 @@ __FBSDID("$FreeBSD$");
*/
#define BUFSIZE_SMALL (MAXPHYS)
+/*
+ * Prompt used in -i case.
+ */
+#define YESNO "(y/n [n]) "
+
static ssize_t
-copy_fallback(int from_fd, int to_fd, char *buf, size_t bufsize)
+copy_fallback(int from_fd, int to_fd)
{
+ static char *buf = NULL;
+ static size_t bufsize;
ssize_t rcount, wresid, wcount = 0;
char *bufp;
+ if (buf == NULL) {
+ if (sysconf(_SC_PHYS_PAGES) > PHYSPAGES_THRESHOLD)
+ bufsize = MIN(BUFSIZE_MAX, MAXPHYS * 8);
+ else
+ bufsize = BUFSIZE_SMALL;
+ buf = malloc(bufsize);
+ if (buf == NULL)
+ err(1, "Not enough memory");
+ }
rcount = read(from_fd, buf, bufsize);
if (rcount <= 0)
return (rcount);
@@ -87,37 +92,46 @@ copy_fallback(int from_fd, int to_fd, char *buf, size_t bufsize)
wcount = write(to_fd, bufp, wresid);
if (wcount <= 0)
break;
- if (wcount >= (ssize_t)wresid)
+ if (wcount >= wresid)
break;
}
return (wcount < 0 ? wcount : rcount);
}
int
-copy_file(const FTSENT *entp, int dne)
+copy_file(const FTSENT *entp, bool dne, bool beneath)
{
- static char *buf = NULL;
- static size_t bufsize;
- struct stat *fs;
- ssize_t rcount, wcount;
- size_t wresid;
+ struct stat sb, *fs;
+ ssize_t wcount;
off_t wtotal;
int ch, checkch, from_fd, rval, to_fd;
- char *bufp;
-#ifdef VM_AND_BUFFER_CACHE_SYNCHRONIZED
- char *p;
-#endif
- int use_copy_file_range = 1;
+ bool use_copy_file_range = true;
+ fs = entp->fts_statp;
from_fd = to_fd = -1;
- if (!lflag && !sflag &&
- (from_fd = open(entp->fts_path, O_RDONLY, 0)) == -1) {
- warn("%s", entp->fts_path);
- return (1);
+ if (!lflag && !sflag) {
+ if ((from_fd = open(entp->fts_path, O_RDONLY, 0)) < 0 ||
+ fstat(from_fd, &sb) != 0) {
+ warn("%s", entp->fts_path);
+ if (from_fd >= 0)
+ (void)close(from_fd);
+ return (1);
+ }
+ /*
+ * Check that the file hasn't been replaced with one of a
+ * different type. This can happen if we've been asked to
+ * copy something which is actively being modified and
+ * lost the race, or if we've been asked to copy something
+ * like /proc/X/fd/Y which stat(2) reports as S_IFREG but
+ * is actually something else once you open it.
+ */
+ if ((sb.st_mode & S_IFMT) != (fs->st_mode & S_IFMT)) {
+ warnx("%s: File changed", entp->fts_path);
+ (void)close(from_fd);
+ return (1);
+ }
}
- fs = entp->fts_statp;
-
/*
* If the file exists and we're interactive, verify with the user.
* If the file DNE, set the mode to be the from file, minus setuid
@@ -127,15 +141,15 @@ copy_file(const FTSENT *entp, int dne)
* modified by the umask.)
*/
if (!dne) {
-#define YESNO "(y/n [n]) "
if (nflag) {
if (vflag)
- printf("%s not overwritten\n", to.p_path);
+ printf("%s%s not overwritten\n",
+ to.base, to.path);
rval = 1;
goto done;
} else if (iflag) {
- (void)fprintf(stderr, "overwrite %s? %s",
- to.p_path, YESNO);
+ (void)fprintf(stderr, "overwrite %s%s? %s",
+ to.base, to.path, YESNO);
checkch = ch = getchar();
while (ch != '\n' && ch != EOF)
ch = getchar();
@@ -147,128 +161,73 @@ copy_file(const FTSENT *entp, int dne)
}
if (fflag) {
- /*
- * Remove existing destination file name create a new
- * file.
- */
- (void)unlink(to.p_path);
- if (!lflag && !sflag) {
- to_fd = open(to.p_path,
- O_WRONLY | O_TRUNC | O_CREAT,
- fs->st_mode & ~(S_ISUID | S_ISGID));
- }
- } else if (!lflag && !sflag) {
- /* Overwrite existing destination file name. */
- to_fd = open(to.p_path, O_WRONLY | O_TRUNC, 0);
+ /* remove existing destination file */
+ (void)unlinkat(to.dir, to.path,
+ beneath ? AT_RESOLVE_BENEATH : 0);
+ dne = 1;
}
- } else if (!lflag && !sflag) {
- to_fd = open(to.p_path, O_WRONLY | O_TRUNC | O_CREAT,
- fs->st_mode & ~(S_ISUID | S_ISGID));
}
- if (!lflag && !sflag && to_fd == -1) {
- warn("%s", to.p_path);
- rval = 1;
+ rval = 0;
+
+ if (lflag) {
+ if (linkat(AT_FDCWD, entp->fts_path, to.dir, to.path, 0) != 0) {
+ warn("%s%s", to.base, to.path);
+ rval = 1;
+ }
goto done;
}
- rval = 0;
+ if (sflag) {
+ if (symlinkat(entp->fts_path, to.dir, to.path) != 0) {
+ warn("%s%s", to.base, to.path);
+ rval = 1;
+ }
+ goto done;
+ }
- if (!lflag && !sflag) {
- /*
- * Mmap and write if less than 8M (the limit is so we don't
- * totally trash memory on big files. This is really a minor
- * hack, but it wins some CPU back.
- * Some filesystems, such as smbnetfs, don't support mmap,
- * so this is a best-effort attempt.
- */
-#ifdef VM_AND_BUFFER_CACHE_SYNCHRONIZED
- if (S_ISREG(fs->st_mode) && fs->st_size > 0 &&
- fs->st_size <= 8 * 1024 * 1024 &&
- (p = mmap(NULL, (size_t)fs->st_size, PROT_READ,
- MAP_SHARED, from_fd, (off_t)0)) != MAP_FAILED) {
- wtotal = 0;
- for (bufp = p, wresid = fs->st_size; ;
- bufp += wcount, wresid -= (size_t)wcount) {
- wcount = write(to_fd, bufp, wresid);
- if (wcount <= 0)
- break;
- wtotal += wcount;
- if (info) {
- info = 0;
- (void)fprintf(stderr,
- "%s -> %s %3d%%\n",
- entp->fts_path, to.p_path,
- cp_pct(wtotal, fs->st_size));
- }
- if (wcount >= (ssize_t)wresid)
- break;
- }
- if (wcount != (ssize_t)wresid) {
- warn("%s", to.p_path);
- rval = 1;
- }
- /* Some systems don't unmap on close(2). */
- if (munmap(p, fs->st_size) < 0) {
- warn("%s", entp->fts_path);
- rval = 1;
- }
- } else
-#endif
- {
- if (buf == NULL) {
- /*
- * Note that buf and bufsize are static. If
- * malloc() fails, it will fail at the start
- * and not copy only some files.
- */
- if (sysconf(_SC_PHYS_PAGES) >
- PHYSPAGES_THRESHOLD)
- bufsize = MIN(BUFSIZE_MAX, MAXPHYS * 8);
- else
- bufsize = BUFSIZE_SMALL;
- buf = malloc(bufsize);
- if (buf == NULL)
- err(1, "Not enough memory");
- }
- wtotal = 0;
- do {
- if (use_copy_file_range) {
- rcount = copy_file_range(from_fd, NULL,
- to_fd, NULL, SSIZE_MAX, 0);
- if (rcount < 0 && errno == EINVAL) {
- /* Prob a non-seekable FD */
- use_copy_file_range = 0;
- }
- }
- if (!use_copy_file_range) {
- rcount = copy_fallback(from_fd, to_fd,
- buf, bufsize);
- }
- wtotal += rcount;
- if (info) {
- info = 0;
- (void)fprintf(stderr,
- "%s -> %s %3d%%\n",
- entp->fts_path, to.p_path,
- cp_pct(wtotal, fs->st_size));
- }
- } while (rcount > 0);
- if (rcount < 0) {
- warn("%s", entp->fts_path);
- rval = 1;
+ if (!dne) {
+ /* overwrite existing destination file */
+ to_fd = openat(to.dir, to.path,
+ O_WRONLY | O_TRUNC | (beneath ? O_RESOLVE_BENEATH : 0), 0);
+ } else {
+ /* create new destination file */
+ to_fd = openat(to.dir, to.path,
+ O_WRONLY | O_TRUNC | O_CREAT |
+ (beneath ? O_RESOLVE_BENEATH : 0),
+ fs->st_mode & ~(S_ISUID | S_ISGID));
+ }
+ if (to_fd == -1) {
+ warn("%s%s", to.base, to.path);
+ rval = 1;
+ goto done;
+ }
+
+ wtotal = 0;
+ do {
+ if (use_copy_file_range) {
+ wcount = copy_file_range(from_fd, NULL,
+ to_fd, NULL, SSIZE_MAX, 0);
+ if (wcount < 0 && errno == EINVAL) {
+ /* probably a non-seekable descriptor */
+ use_copy_file_range = false;
}
}
- } else if (lflag) {
- if (link(entp->fts_path, to.p_path)) {
- warn("%s", to.p_path);
- rval = 1;
+ if (!use_copy_file_range) {
+ wcount = copy_fallback(from_fd, to_fd);
}
- } else if (sflag) {
- if (symlink(entp->fts_path, to.p_path)) {
- warn("%s", to.p_path);
- rval = 1;
+ wtotal += wcount;
+ if (info) {
+ info = 0;
+ (void)fprintf(stderr,
+ "%s -> %s%s %3d%%\n",
+ entp->fts_path, to.base, to.path,
+ cp_pct(wtotal, fs->st_size));
}
+ } while (wcount > 0);
+ if (wcount < 0) {
+ warn("%s", entp->fts_path);
+ rval = 1;
}
/*
@@ -277,16 +236,13 @@ copy_file(const FTSENT *entp, int dne)
* or its contents might be irreplaceable. It would only be safe
* to remove it if we created it and its length is 0.
*/
-
- if (!lflag && !sflag) {
- if (pflag && setfile(fs, to_fd))
- rval = 1;
- if (pflag && preserve_fd_acls(from_fd, to_fd) != 0)
- rval = 1;
- if (close(to_fd)) {
- warn("%s", to.p_path);
- rval = 1;
- }
+ if (pflag && setfile(fs, to_fd, beneath))
+ rval = 1;
+ if (pflag && preserve_fd_acls(from_fd, to_fd) != 0)
+ rval = 1;
+ if (close(to_fd)) {
+ warn("%s%s", to.base, to.path);
+ rval = 1;
}
done:
@@ -296,14 +252,15 @@ done:
}
int
-copy_link(const FTSENT *p, int exists)
+copy_link(const FTSENT *p, bool dne, bool beneath)
{
- int len;
+ ssize_t len;
+ int atflags = beneath ? AT_RESOLVE_BENEATH : 0;
char llink[PATH_MAX];
- if (exists && nflag) {
+ if (!dne && nflag) {
if (vflag)
- printf("%s not overwritten\n", to.p_path);
+ printf("%s%s not overwritten\n", to.base, to.path);
return (1);
}
if ((len = readlink(p->fts_path, llink, sizeof(llink) - 1)) == -1) {
@@ -311,81 +268,86 @@ copy_link(const FTSENT *p, int exists)
return (1);
}
llink[len] = '\0';
- if (exists && unlink(to.p_path)) {
- warn("unlink: %s", to.p_path);
+ if (!dne && unlinkat(to.dir, to.path, atflags) != 0) {
+ warn("unlink: %s%s", to.base, to.path);
return (1);
}
- if (symlink(llink, to.p_path)) {
+ if (symlinkat(llink, to.dir, to.path) != 0) {
warn("symlink: %s", llink);
return (1);
}
- return (pflag ? setfile(p->fts_statp, -1) : 0);
+ return (pflag ? setfile(p->fts_statp, -1, beneath) : 0);
}
int
-copy_fifo(struct stat *from_stat, int exists)
+copy_fifo(struct stat *from_stat, bool dne, bool beneath)
{
+ int atflags = beneath ? AT_RESOLVE_BENEATH : 0;
- if (exists && nflag) {
+ if (!dne && nflag) {
if (vflag)
- printf("%s not overwritten\n", to.p_path);
+ printf("%s%s not overwritten\n", to.base, to.path);
return (1);
}
- if (exists && unlink(to.p_path)) {
- warn("unlink: %s", to.p_path);
+ if (!dne && unlinkat(to.dir, to.path, atflags) != 0) {
+ warn("unlink: %s%s", to.base, to.path);
return (1);
}
- if (mkfifo(to.p_path, from_stat->st_mode)) {
- warn("mkfifo: %s", to.p_path);
+ if (mkfifoat(to.dir, to.path, from_stat->st_mode) != 0) {
+ warn("mkfifo: %s%s", to.base, to.path);
return (1);
}
- return (pflag ? setfile(from_stat, -1) : 0);
+ return (pflag ? setfile(from_stat, -1, beneath) : 0);
}
int
-copy_special(struct stat *from_stat, int exists)
+copy_special(struct stat *from_stat, bool dne, bool beneath)
{
+ int atflags = beneath ? AT_RESOLVE_BENEATH : 0;
- if (exists && nflag) {
+ if (!dne && nflag) {
if (vflag)
- printf("%s not overwritten\n", to.p_path);
+ printf("%s%s not overwritten\n", to.base, to.path);
return (1);
}
- if (exists && unlink(to.p_path)) {
- warn("unlink: %s", to.p_path);
+ if (!dne && unlinkat(to.dir, to.path, atflags) != 0) {
+ warn("unlink: %s%s", to.base, to.path);
return (1);
}
- if (mknod(to.p_path, from_stat->st_mode, from_stat->st_rdev)) {
- warn("mknod: %s", to.p_path);
+ if (mknodat(to.dir, to.path, from_stat->st_mode, from_stat->st_rdev) != 0) {
+ warn("mknod: %s%s", to.base, to.path);
return (1);
}
- return (pflag ? setfile(from_stat, -1) : 0);
+ return (pflag ? setfile(from_stat, -1, beneath) : 0);
}
int
-setfile(struct stat *fs, int fd)
+setfile(struct stat *fs, int fd, bool beneath)
{
static struct timespec tspec[2];
struct stat ts;
+ int atflags = beneath ? AT_RESOLVE_BENEATH : 0;
int rval, gotstat, islink, fdval;
rval = 0;
fdval = fd != -1;
islink = !fdval && S_ISLNK(fs->st_mode);
+ if (islink)
+ atflags |= AT_SYMLINK_NOFOLLOW;
fs->st_mode &= S_ISUID | S_ISGID | S_ISVTX |
S_IRWXU | S_IRWXG | S_IRWXO;
tspec[0] = fs->st_atim;
tspec[1] = fs->st_mtim;
- if (fdval ? futimens(fd, tspec) : utimensat(AT_FDCWD, to.p_path, tspec,
- islink ? AT_SYMLINK_NOFOLLOW : 0)) {
- warn("utimensat: %s", to.p_path);
+ if (fdval ? futimens(fd, tspec) :
+ utimensat(to.dir, to.path, tspec, atflags)) {
+ warn("utimensat: %s%s", to.base, to.path);
rval = 1;
}
if (fdval ? fstat(fd, &ts) :
- (islink ? lstat(to.p_path, &ts) : stat(to.p_path, &ts)))
+ fstatat(to.dir, to.path, &ts, atflags)) {
gotstat = 0;
- else {
+ } else {
gotstat = 1;
ts.st_mode &= S_ISUID | S_ISGID | S_ISVTX |
S_IRWXU | S_IRWXG | S_IRWXO;
@@ -396,33 +358,41 @@ setfile(struct stat *fs, int fd)
* the mode; current BSD behavior is to remove all setuid bits on
* chown. If chown fails, lose setuid/setgid bits.
*/
- if (!gotstat || fs->st_uid != ts.st_uid || fs->st_gid != ts.st_gid)
+ if (!gotstat || fs->st_uid != ts.st_uid || fs->st_gid != ts.st_gid) {
if (fdval ? fchown(fd, fs->st_uid, fs->st_gid) :
- (islink ? lchown(to.p_path, fs->st_uid, fs->st_gid) :
- chown(to.p_path, fs->st_uid, fs->st_gid))) {
+ fchownat(to.dir, to.path, fs->st_uid, fs->st_gid, atflags)) {
if (errno != EPERM) {
- warn("chown: %s", to.p_path);
+ warn("chown: %s%s", to.base, to.path);
rval = 1;
}
fs->st_mode &= ~(S_ISUID | S_ISGID);
}
+ }
- if (!gotstat || fs->st_mode != ts.st_mode)
+ if (!gotstat || fs->st_mode != ts.st_mode) {
if (fdval ? fchmod(fd, fs->st_mode) :
- (islink ? lchmod(to.p_path, fs->st_mode) :
- chmod(to.p_path, fs->st_mode))) {
- warn("chmod: %s", to.p_path);
+ fchmodat(to.dir, to.path, fs->st_mode, atflags)) {
+ warn("chmod: %s%s", to.base, to.path);
rval = 1;
}
+ }
- if (!gotstat || fs->st_flags != ts.st_flags)
- if (fdval ?
- fchflags(fd, fs->st_flags) :
- (islink ? lchflags(to.p_path, fs->st_flags) :
- chflags(to.p_path, fs->st_flags))) {
- warn("chflags: %s", to.p_path);
- rval = 1;
+ if (!Nflag && (!gotstat || fs->st_flags != ts.st_flags)) {
+ if (fdval ? fchflags(fd, fs->st_flags) :
+ chflagsat(to.dir, to.path, fs->st_flags, atflags)) {
+ /*
+ * 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.)
+ */
+ if (errno != EOPNOTSUPP || fs->st_flags != 0) {
+ warn("chflags: %s%s", to.base, to.path);
+ rval = 1;
+ }
}
+ }
return (rval);
}
@@ -439,8 +409,9 @@ preserve_fd_acls(int source_fd, int dest_fd)
acl_supported = 1;
acl_type = ACL_TYPE_NFS4;
} else if (ret < 0 && errno != EINVAL) {
- warn("fpathconf(..., _PC_ACL_NFS4) failed for %s", to.p_path);
- return (1);
+ warn("fpathconf(..., _PC_ACL_NFS4) failed for %s%s",
+ to.base, to.path);
+ return (-1);
}
if (acl_supported == 0) {
ret = fpathconf(source_fd, _PC_ACL_EXTENDED);
@@ -448,9 +419,9 @@ preserve_fd_acls(int source_fd, int dest_fd)
acl_supported = 1;
acl_type = ACL_TYPE_ACCESS;
} else if (ret < 0 && errno != EINVAL) {
- warn("fpathconf(..., _PC_ACL_EXTENDED) failed for %s",
- to.p_path);
- return (1);
+ warn("fpathconf(..., _PC_ACL_EXTENDED) failed for %s%s",
+ to.base, to.path);
+ return (-1);
}
}
if (acl_supported == 0)
@@ -458,112 +429,54 @@ preserve_fd_acls(int source_fd, int dest_fd)
acl = acl_get_fd_np(source_fd, acl_type);
if (acl == NULL) {
- warn("failed to get acl entries while setting %s", to.p_path);
- return (1);
+ warn("failed to get acl entries while setting %s%s",
+ to.base, to.path);
+ return (-1);
}
if (acl_is_trivial_np(acl, &trivial)) {
- warn("acl_is_trivial() failed for %s", to.p_path);
+ warn("acl_is_trivial() failed for %s%s",
+ to.base, to.path);
acl_free(acl);
- return (1);
+ return (-1);
}
if (trivial) {
acl_free(acl);
return (0);
}
if (acl_set_fd_np(dest_fd, acl, acl_type) < 0) {
- warn("failed to set acl entries for %s", to.p_path);
+ warn("failed to set acl entries for %s%s",
+ to.base, to.path);
acl_free(acl);
- return (1);
+ return (-1);
}
acl_free(acl);
return (0);
}
int
-preserve_dir_acls(struct stat *fs, char *source_dir, char *dest_dir)
+preserve_dir_acls(const char *source_dir, const char *dest_dir)
{
- acl_t (*aclgetf)(const char *, acl_type_t);
- int (*aclsetf)(const char *, acl_type_t, acl_t);
- struct acl *aclp;
- acl_t acl;
- acl_type_t acl_type;
- int acl_supported = 0, ret, trivial;
-
- ret = pathconf(source_dir, _PC_ACL_NFS4);
- if (ret > 0) {
- acl_supported = 1;
- acl_type = ACL_TYPE_NFS4;
- } else if (ret < 0 && errno != EINVAL) {
- warn("fpathconf(..., _PC_ACL_NFS4) failed for %s", source_dir);
- return (1);
- }
- if (acl_supported == 0) {
- ret = pathconf(source_dir, _PC_ACL_EXTENDED);
- if (ret > 0) {
- acl_supported = 1;
- acl_type = ACL_TYPE_ACCESS;
- } else if (ret < 0 && errno != EINVAL) {
- warn("fpathconf(..., _PC_ACL_EXTENDED) failed for %s",
- source_dir);
- return (1);
- }
- }
- if (acl_supported == 0)
- return (0);
-
- /*
- * If the file is a link we will not follow it.
- */
- if (S_ISLNK(fs->st_mode)) {
- aclgetf = acl_get_link_np;
- aclsetf = acl_set_link_np;
- } else {
- aclgetf = acl_get_file;
- aclsetf = acl_set_file;
- }
- if (acl_type == ACL_TYPE_ACCESS) {
- /*
- * Even if there is no ACL_TYPE_DEFAULT entry here, a zero
- * size ACL will be returned. So it is not safe to simply
- * check the pointer to see if the default ACL is present.
- */
- acl = aclgetf(source_dir, ACL_TYPE_DEFAULT);
- if (acl == NULL) {
- warn("failed to get default acl entries on %s",
- source_dir);
- return (1);
- }
- aclp = &acl->ats_acl;
- if (aclp->acl_cnt != 0 && aclsetf(dest_dir,
- ACL_TYPE_DEFAULT, acl) < 0) {
- warn("failed to set default acl entries on %s",
- dest_dir);
- acl_free(acl);
- return (1);
- }
- acl_free(acl);
- }
- acl = aclgetf(source_dir, acl_type);
- if (acl == NULL) {
- warn("failed to get acl entries on %s", source_dir);
- return (1);
- }
- if (acl_is_trivial_np(acl, &trivial)) {
- warn("acl_is_trivial() failed on %s", source_dir);
- acl_free(acl);
- return (1);
- }
- if (trivial) {
- acl_free(acl);
- return (0);
- }
- if (aclsetf(dest_dir, acl_type, acl) < 0) {
- warn("failed to set acl entries on %s", dest_dir);
- acl_free(acl);
- return (1);
- }
- acl_free(acl);
- return (0);
+ int source_fd = -1, dest_fd = -1, ret;
+
+ if ((source_fd = open(source_dir, O_DIRECTORY | O_RDONLY)) < 0) {
+ warn("%s: failed to copy ACLs", source_dir);
+ return (-1);
+ }
+ dest_fd = (*dest_dir == '\0') ? to.dir :
+ openat(to.dir, dest_dir, O_DIRECTORY, AT_RESOLVE_BENEATH);
+ if (dest_fd < 0) {
+ warn("%s: failed to copy ACLs to %s%s", source_dir,
+ to.base, dest_dir);
+ close(source_fd);
+ return (-1);
+ }
+ if ((ret = preserve_fd_acls(source_fd, dest_fd)) != 0) {
+ /* preserve_fd_acls() already printed a message */
+ }
+ if (dest_fd != to.dir)
+ close(dest_fd);
+ close(source_fd);
+ return (ret);
}
void
generated by cgit v1.2.3 (git 2.25.1) at 2025-08-07 03:24:46 +0000