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nfqws: use BSD udphdr

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bol-van 2024-08-20 17:13:02 +03:00
parent 1f2b176f16
commit 8a53c03eb6
1 changed files with 2 additions and 2 deletions
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4
nfq/desync.c
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@ -367,9 +367,9 @@ static uint8_t ct_new_postnat_fix(const t_ctrack *ctrack, struct ip *ip, struct
if (proto==IPPROTO_UDP && udp && len_pkt)
{
// make malformed udp packet with zero length and invalid checksum
udp->len = 0; // invalid length. must be >=8
udp->uh_ulen = 0; // invalid length. must be >=8
udp_fix_checksum(udp,sizeof(struct udphdr),ip,ip6);
udp->check ^= htons(0xBEAF);
udp->uh_sum ^= htons(0xBEAF);
// truncate packet
*len_pkt = (uint8_t*)udp - (ip ? (uint8_t*)ip : (uint8_t*)ip6) + sizeof(struct udphdr);
if (ip)