fs-util: introduce fchmod_opath()
fchmod(2) still doesn't take file descriptors opened with O_PATH.
diff --git a/src/tmpfiles/tmpfiles.c b/src/tmpfiles/tmpfiles.c
index 5755f22..4e437a5 100644
--- a/src/tmpfiles/tmpfiles.c
+++ b/src/tmpfiles/tmpfiles.c
@@ -808,15 +808,9 @@
if (m == (st->st_mode & 07777))
log_debug("\"%s\" has correct mode %o already.", path, st->st_mode);
else {
- char procfs_path[STRLEN("/proc/self/fd/") + DECIMAL_STR_MAX(int)];
-
log_debug("Changing \"%s\" to mode %o.", path, m);
-
- /* fchmodat() still doesn't have AT_EMPTY_PATH flag. */
- xsprintf(procfs_path, "/proc/self/fd/%i", fd);
-
- if (chmod(procfs_path, m) < 0)
- return log_error_errno(errno, "chmod() of %s via %s failed: %m", path, procfs_path);
+ if (fchmod_opath(fd, m) < 0)
+ return log_error_errno(errno, "fchmod() of %s failed: %m", path);
}
}
}