+static int get_acls_from_arg(Item *item) {
+#ifdef HAVE_ACL
+ int r;
+
+ assert(item);
+
+ /* If force (= modify) is set, we will not modify the acl
+ * afterwards, so the mask can be added now if necessary. */
+ r = parse_acl(item->argument, &item->acl_access, &item->acl_default, !item->force);
+ if (r < 0)
+ log_warning_errno(r, "Failed to parse ACL \"%s\": %m. Ignoring",
+ item->argument);
+#else
+ log_warning_errno(ENOSYS, "ACLs are not supported. Ignoring");
+#endif
+
+ return 0;
+}
+
+#ifdef HAVE_ACL
+static int path_set_acl(const char *path, acl_type_t type, acl_t acl, bool modify) {
+ _cleanup_(acl_freep) acl_t dup = NULL;
+ int r;
+ _cleanup_(acl_free_charpp) char *t = NULL;
+
+ /* Returns 0 for success, positive error if already warned,
+ * negative error otherwise. */
+
+ if (modify) {
+ r = acls_for_file(path, type, acl, &dup);
+ if (r < 0)
+ return r;
+
+ r = calc_acl_mask_if_needed(&dup);
+ if (r < 0)
+ return r;
+ } else {
+ dup = acl_dup(acl);
+ if (!dup)
+ return -errno;
+
+ /* the mask was already added earlier if needed */
+ }
+
+ r = add_base_acls_if_needed(&dup, path);
+ if (r < 0)
+ return r;
+
+ t = acl_to_any_text(dup, NULL, ',', TEXT_ABBREVIATE);
+ log_debug("\"%s\": setting %s ACL \"%s\"", path,
+ type == ACL_TYPE_ACCESS ? "access" : "default",
+ strna(t));
+
+ r = acl_set_file(path, type, dup);
+ if (r < 0)
+ return -log_error_errno(errno,
+ "Setting %s ACL \"%s\" on %s failed: %m",
+ type == ACL_TYPE_ACCESS ? "access" : "default",
+ strna(t), path);
+
+ return 0;
+}
+#endif
+
+static int path_set_acls(Item *item, const char *path) {
+ int r = 0;
+#ifdef HAVE_ACL
+ assert(item);
+ assert(path);
+
+ if (item->acl_access)
+ r = path_set_acl(path, ACL_TYPE_ACCESS, item->acl_access, item->force);
+
+ if (r == 0 && item->acl_default)
+ r = path_set_acl(path, ACL_TYPE_DEFAULT, item->acl_default, item->force);
+
+ if (r > 0)
+ return -r; /* already warned */
+ else if (r == -ENOTSUP) {
+ log_debug_errno(r, "ACLs not supported by file system at %s", path);
+ return 0;
+ } else if (r < 0)
+ log_error_errno(r, "ACL operation on \"%s\" failed: %m", path);
+#endif
+ return r;
+}
+