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Set packet type for RAW PCAPs

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William Robinet 2023-09-12 12:50:12 +02:00
parent bd730f31c4
commit 24398758e1
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GPG key ID: 003FA3DF74C7A949
1 changed files with 12 additions and 0 deletions
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12
base/pcap-snoop.c.in
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@ -205,6 +205,18 @@ void pcap_cb(u_char *ptr, const struct pcap_pkthdr *hdr, const u_char *data) {
switch(pcap_if_type) { switch(pcap_if_type) {
case DLT_RAW: case DLT_RAW:
switch(((u_int8_t)*data) >> 4) {
case 4:
type = ETHERTYPE_IP;
break;
case 6:
type = ETHERTYPE_IPV6;
break;
default:
fprintf(stderr, "Unknown packet type, skipping ...\n");
return;
}
break;
#ifdef DLT_LOOP #ifdef DLT_LOOP
case DLT_LOOP: case DLT_LOOP:
#endif #endif