+static void com_setatt_callback(__a_unused int fd, const struct osl_object *query)
+{
+ char *p;
+ uint64_t add_mask = 0, del_mask = 0;
+ int ret;
+ size_t len;
+ struct osl_object obj;
+
+ for (p = query->data; p < (char *)query->data + query->size; p += len + 1) {
+ char c;
+ unsigned char bitnum;
+
+ len = strlen(p);
+ ret = -E_ATTR_SYNTAX;
+ if (!*p)
+ goto out;
+ c = p[len - 1];
+ if (c != '+' && c != '-')
+ break;
+ p[len - 1] = '\0';
+ ret = get_attribute_bitnum_by_name(p, &bitnum);
+ if (ret < 0)
+ goto out;
+ if (c == '+')
+ add_mask |= (1UL << bitnum);
+ else
+ del_mask |= (1UL << bitnum);
+ }
+ ret = -E_ATTR_SYNTAX;
+ if (!add_mask && !del_mask)
+ goto out;
+ PARA_DEBUG_LOG("masks: %llx:%llx\n",(long long unsigned)add_mask,
+ (long long unsigned)del_mask);
+ for (; p < (char *)query->data + query->size; p += len + 1) { /* TODO: fnmatch */
+ struct afs_info old_afsi, new_afsi;
+ struct afsi_change_event_data aced = {.old_afsi = &old_afsi};
+
+ len = strlen(p);
+ ret = aft_get_row_of_path(p, &aced.aft_row);
+ if (ret < 0)
+ goto out;
+ ret = get_afsi_object_of_row(aced.aft_row, &obj);
+ if (ret < 0)
+ goto out;
+ ret = load_afsi(&old_afsi, &obj);
+ if (ret < 0)
+ goto out;
+ new_afsi = old_afsi;
+ new_afsi.attributes |= add_mask;
+ new_afsi.attributes &= ~del_mask;
+ save_afsi(&new_afsi, &obj); /* in-place update */
+ afs_event(AFSI_CHANGE, NULL, &aced);
+ }
+out:
+ if (ret < 0)
+ PARA_NOTICE_LOG("%s\n", para_strerror(-ret));
+}
+
+int com_setatt(struct command_context *cc)
+{
+ if (cc->argc < 3)
+ return -E_ATTR_SYNTAX;
+ return send_standard_callback_request(cc->argc - 1, cc->argv + 1,
+ com_setatt_callback, NULL, NULL);
+}
+