Commit f0b0d89f authored by bol-van's avatar bol-van
Browse files

nfqws: relax stun detector

parent a08a3583

nfq/protocol.c

+3 −3
Original line number Diff line number Diff line
@@ -1017,7 +1017,7 @@ bool IsStunMessage(const uint8_t *data, size_t len) 
{

	return len>=20 && // header size

		(data[0]&0xC0)==0 && // 2 most significant bits must be zeroes

		(data[3]&0b11)==0 && // length must be a multiple of 4

		ntohl(*(uint32_t*)(&data[4]))==0x2112A442 && // magic cookie

		ntohs(*(uint16_t*)(&data[2]))==len-20;

		(data[3]&3)==0 && // length must be a multiple of 4

		pntoh32(data+4)==0x2112A442 && // magic cookie

		pntoh16(data+2)<=(len-20);

}