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prevented transmission of QUERY_PEER on multicast MAC addresses (#668)

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Logan oos Even
2021-03-18 18:14:01 +05:45
committed by GitHub
parent c9a610dbd9
commit edc6f53ca0
1 changed files with 5 additions and 5 deletions
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src/edge_utils.c
+5 -5
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@@ -785,7 +785,7 @@ static void check_known_peer_sock_change (n2n_edge_t *eee,
if(is_empty_ip_address(peer))
return;
if(!memcmp(mac, broadcast_mac, N2N_MAC_SIZE))
if(is_multi_broadcast(mac))
return;
/* Search the peer in known_peers */
@@ -1423,7 +1423,7 @@ static int handle_PACKET (n2n_edge_t * eee,
/* hexdump(payload, psize); */
if(from_supernode) {
if(!memcmp(pkt->dstMac, broadcast_mac, N2N_MAC_SIZE))
if(is_multi_broadcast(pkt->dstMac))
++(eee->stats.rx_sup_broadcast);
++(eee->stats.rx_sup);
@@ -1854,8 +1854,8 @@ static int find_peer_destination (n2n_edge_t * eee,
int retval = 0;
time_t now = time(NULL);
if(!memcmp(mac_address, broadcast_mac, N2N_MAC_SIZE)) {
traceEvent(TRACE_DEBUG, "Broadcast destination peer, using supernode");
if(is_multi_broadcast(mac_address)) {
traceEvent(TRACE_DEBUG, "Multicast or broadcast destination peer, using supernode");
memcpy(destination, &(eee->curr_sn->sock), sizeof(struct sockaddr_in));
return(0);
}
@@ -1924,7 +1924,7 @@ static int send_packet (n2n_edge_t * eee,
else
++(eee->stats.tx_sup);
if(!memcmp(dstMac, broadcast_mac, N2N_MAC_SIZE)) {
if(is_multi_broadcast(dstMac)) {
++(eee->stats.tx_sup_broadcast);
// if no supernode around, foward the broadcast to all known peers