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nfqws2: optimize udp protocol detect code

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bol-van
2026-01-02 17:44:52 +03:00
parent 2a15a1a778
commit bb9e78e8fb
1 changed files with 7 additions and 21 deletions
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28
nfq2/desync.c
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@@ -1652,22 +1652,13 @@ static uint8_t dpi_desync_udp_packet_play(
if (dis->len_payload)
{
bool bHaveHost = false, bHostIsIp = false;
if (bReverse)
udp_standard_protocol_probe(dis->data_payload, dis->len_payload, ctrack, &l7proto, &l7payload);
if (!bReverse)
{
udp_standard_protocol_probe(dis->data_payload, dis->len_payload, ctrack, &l7proto, &l7payload);
}
else
{
struct blob_collection_head *fake;
if (IsQUICInitial(dis->data_payload, dis->len_payload))
if (l7payload==L7P_QUIC_INITIAL)
{
DLOG("packet contains QUIC initial\n");
l7payload = L7P_QUIC_INITIAL;
l7proto = L7_QUIC;
// update ctrack l7proto here because reasm can happen
if (ctrack && ctrack->l7proto == L7_UNKNOWN) ctrack->l7proto = l7proto;
uint8_t clean[UDP_MAX_REASM], *pclean;
size_t clean_len;
@@ -1789,15 +1780,10 @@ static uint8_t dpi_desync_udp_packet_play(
quic_reasm_cancel(ctrack, "QUIC initial decryption failed");
}
}
else // not QUIC initial
{
// not quic initial - stop reasm
reasm_client_cancel(ctrack);
udp_standard_protocol_probe(dis->data_payload, dis->len_payload, ctrack, &l7proto, &l7payload);
}
}
reasm_client_cancel(ctrack);
if (bHaveHost)
{
bHostIsIp = strip_host_to_ip(host);