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Merge fc88056180 into 10804bf42a

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Adv2924 2026-05-09 23:44:24 +05:30 • committed by GitHub
commit e57c7a1804
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1 changed files with 19 additions and 7 deletions
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26
libnetutil/netutil.cc
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@ -3112,15 +3112,27 @@ icmpbad:
} else {
/* UNKNOWN PROTOCOL **********************************************************/
const char *hdrstr;
hdrstr = nexthdrtoa(hdr.proto, 1);
if (hdrstr == NULL || *hdrstr == '\0') {
Snprintf(protoinfo, sizeof(protoinfo), "Unknown protocol (%d) %s > %s: %s",
hdr.proto, srchost, dsthost, ipinfo);
/* Check if the ip version is 6 using the hdr struct*/
if (hdr.version == 6) {
/* It's an IPv6 packet */
if (hdrstr == NULL || *hdrstr == '\0') {
Snprintf(protoinfo, sizeof(protoinfo), "IPv6 (nh=%d) %s > %s: %s",
hdr.proto, srchost, dsthost, ipinfo);
} else {
Snprintf(protoinfo, sizeof(protoinfo), "IPv6 (nh=%s/%d) %s > %s: %s",
hdrstr, hdr.proto, srchost, dsthost, ipinfo);
}
} else {
Snprintf(protoinfo, sizeof(protoinfo), "%s (%d) %s > %s: %s",
hdrstr, hdr.proto, srchost, dsthost, ipinfo);
}
if (hdrstr == NULL || *hdrstr == '\0') {
Snprintf(protoinfo, sizeof(protoinfo), "Unknown protocol (%d) %s > %s: %s",
hdr.proto, srchost, dsthost, ipinfo);
} else {
Snprintf(protoinfo, sizeof(protoinfo), "%s (%d) %s > %s: %s",
hdrstr, hdr.proto, srchost, dsthost, ipinfo);
}
}
}
return protoinfo;