BUG: Prevent npdu_len from wrapping around at npdu_len=1 (#452)

2023-07-13 12:44:48 -07:00
parent 758cac3bed
commit da4db7c65e
1 changed files with 2 additions and 1 deletions
@@ -662,7 +662,8 @@ static void network_control_handler(uint16_t snet,
        case NETWORK_MESSAGE_I_AM_ROUTER_TO_NETWORK:
            /* add its DNETs to our routing table */
            fprintf(stderr, "for Networks: ");
-            while (npdu_len) {
+            len = 2;
+            while (npdu_len >= len) {
                len = decode_unsigned16(&npdu[npdu_offset], &dnet);
                fprintf(stderr, "%hu", dnet);
                dnet_add(snet, dnet, src);