Protect against neighbours with id[0] = 0xFF.

3709c80a · Juliusz Chroboczek · 0d250f92 · 3709c80a
Commit 3709c80a authored Jul 10, 2007 by Juliusz Chroboczek
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neighbour.c neighbour.c +5 -0

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--- a/neighbour.c
+++ b/neighbour.c
@@ -73,6 +73,11 @@ add_neighbour(const unsigned char *id, const unsigned char *address,
    struct neighbour *neigh;
    int i;

+    if(id[0] == 0xFF) {
+        fprintf(stderr, "Received neighbour announcement with id[0] = FF.\n");
+        return NULL;
+    }
+
    neigh = find_neighbour(address, net);
    if(neigh) {
        if(memcmp(neigh->id, id, 16) == 0) {