Commit 53eba046 authored by bol-van's avatar bol-van
Browse files

nfqws: fix quicv2 recognition

parent 5ef01d14

nfq/protocol.c

+2 −4
Original line number Diff line number Diff line
@@ -962,14 +962,12 @@ bool IsQUICInitial(const uint8_t *data, size_t len) 
{

	// too small packets are not likely to be initials

	// long header, fixed bit

	if (len < 128 || (data[0] & 0xF0)!=0xC0) return false;

	if (len < 128) return false;



	uint32_t ver = QUICExtractVersion(data,len);

	if (QUICDraftVersion(ver) < 11) return false;



	// quic v1 : initial packets are 00b

	// quic v2 : initial packets are 01b

	if ((data[0] & 0x30) != (is_quic_v2(ver) ? 0x10 : 0x00)) return false;

	if ((data[0] & 0xF0) != (is_quic_v2(ver) ? 0xD0 : 0xC0)) return false;



	uint64_t offset=5, sz, sz2;