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nfqws: --dup-ip-id, --*-tcp-flags-*, --wssize-forced-cutoff

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bol-van
2025-10-17 14:10:11 +03:00
parent 845f4b43ef
commit 57778b6249
7 changed files with 254 additions and 47 deletions
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8
nfq/darkmagic.h
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@@ -69,7 +69,7 @@ uint32_t net16_add(uint16_t netorder_value, uint16_t cpuorder_increment);
// seq and wsize have network byte order
bool prepare_tcp_segment4(
const struct sockaddr_in *src, const struct sockaddr_in *dst,
uint8_t tcp_flags,
uint16_t tcp_flags,
bool sack,
uint16_t nmss,
uint32_t nseq, uint32_t nack_seq,
@@ -88,7 +88,7 @@ bool prepare_tcp_segment4(
uint8_t *buf, size_t *buflen);
bool prepare_tcp_segment6(
const struct sockaddr_in6 *src, const struct sockaddr_in6 *dst,
uint8_t tcp_flags,
uint16_t tcp_flags,
bool sack,
uint16_t nmss,
uint32_t nseq, uint32_t nack_seq,
@@ -105,7 +105,7 @@ bool prepare_tcp_segment6(
uint8_t *buf, size_t *buflen);
bool prepare_tcp_segment(
const struct sockaddr *src, const struct sockaddr *dst,
uint8_t tcp_flags,
uint16_t tcp_flags,
bool sack,
uint16_t nmss,
uint32_t nseq, uint32_t nack_seq,
@@ -178,6 +178,8 @@ bool ip_frag(
uint8_t *pkt2, size_t *pkt2_size);
bool rewrite_ttl(struct ip *ip, struct ip6_hdr *ip6, uint8_t ttl);
uint16_t get_tcp_flags(const struct tcphdr *tcp);
void apply_tcp_flags(struct tcphdr *tcp, uint16_t fl);
void extract_ports(const struct tcphdr *tcphdr, const struct udphdr *udphdr, uint8_t *proto, uint16_t *sport, uint16_t *dport);
void extract_endpoints(const struct ip *ip,const struct ip6_hdr *ip6hdr,const struct tcphdr *tcphdr,const struct udphdr *udphdr, struct sockaddr_storage *src, struct sockaddr_storage *dst);