lpeer.c: pktSize sanity check

2022-01-27 20:10:41 -06:00 · 2022-01-27 20:10:41 -06:00 · 8627f5b85d
parent a023929190
commit 8627f5b85d
1 changed files with 4 additions and 0 deletions
--- a/lib/src/lpeer.c
+++ b/lib/src/lpeer.c
@ -45,6 +45,10 @@ bool laikaS_handlePeerIn(struct sLaika_peer *peer) {
                LAIKA_ERROR("received evil pktID!\n")

            peer->pktSize = peer->pktSizeTable[peer->pktID];
+
+            if (peer->pktSize == 0)
+                LAIKA_ERROR("unsupported packet!\n")
+
            break;
        case LAIKAPKT_VARPKT_REQ:
            /* try grabbing pktID & size */