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Merge pull request #4289 from cold-brewed/pcap-filter

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Modify the PCAP filter to allow multicast packets
This commit is contained in:
Miran Grča
2024-03-21 22:05:46 +01:00
committed by GitHub
parent d3039c2bf3 a776a54b55
commit a02118c80e
1 changed files with 1 additions and 1 deletions
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2
src/network/net_pcap.c
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@@ -500,7 +500,7 @@ net_pcap_init(const netcard_t *card, const uint8_t *mac_addr, void *priv, char *
pcap_log("PCAP: installing filter for MAC=%02x:%02x:%02x:%02x:%02x:%02x\n",
mac_addr[0], mac_addr[1], mac_addr[2], mac_addr[3], mac_addr[4], mac_addr[5]);
sprintf(filter_exp,
"( ((ether dst ff:ff:ff:ff:ff:ff) or (ether dst %02x:%02x:%02x:%02x:%02x:%02x)) and not (ether src %02x:%02x:%02x:%02x:%02x:%02x) )",
"( ((ether broadcast) or (ether multicast) or (ether dst %02x:%02x:%02x:%02x:%02x:%02x)) and not (ether src %02x:%02x:%02x:%02x:%02x:%02x) )",
mac_addr[0], mac_addr[1], mac_addr[2], mac_addr[3], mac_addr[4], mac_addr[5],
mac_addr[0], mac_addr[1], mac_addr[2], mac_addr[3], mac_addr[4], mac_addr[5]);
if (f_pcap_compile(pcap->pcap, &fp, filter_exp, 0, 0xffffffff) != -1) {