bus: refuse invalid names from kbus meta data

2026-10-17 14:17:50 +00:00 · 2013-12-27 00:28:22 +01:00
parent 0058679911
commit 2e2ec0eaa6
1 changed files with 6 additions and 0 deletions
@@ -873,10 +873,16 @@ static int bus_kernel_make_message(sd_bus *bus, struct kdbus_msg *k) {
                        break;

                case KDBUS_ITEM_DST_NAME:
+                        if (!service_name_is_valid(d->str))
+                                return -EBADMSG;
+
                        destination = d->str;
                        break;

                case KDBUS_ITEM_NAME:
+                        if (!service_name_is_valid(d->name.name))
+                                return -EBADMSG;
+
                        r = strv_extend(&m->creds.well_known_names, d->name.name);
                        if (r < 0)
                                goto fail;