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nfqws: dup,orig_mod

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bol-van
2025-04-26 19:48:35 +03:00
parent ccc60b5f07
commit 8b5dfcfae1
8 changed files with 676 additions and 201 deletions
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12
nfq/darkmagic.h
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@@ -59,6 +59,7 @@ uint32_t net16_add(uint16_t netorder_value, uint16_t cpuorder_increment);
#define VERDICT_DROP 2
#define VERDICT_MASK 3
#define VERDICT_NOCSUM 4
#define VERDICT_GARBAGE 8
#define IP4_TOS(ip_header) (ip_header ? ip_header->ip_tos : 0)
#define IP4_IP_ID(ip_header) (ip_header ? ip_header->ip_id : 0)
@@ -68,6 +69,8 @@ uint32_t net16_add(uint16_t netorder_value, uint16_t cpuorder_increment);
bool prepare_tcp_segment4(
const struct sockaddr_in *src, const struct sockaddr_in *dst,
uint8_t tcp_flags,
bool sack,
uint16_t nmss,
uint32_t nseq, uint32_t nack_seq,
uint16_t nwsize,
uint8_t scale_factor,
@@ -83,6 +86,8 @@ bool prepare_tcp_segment4(
bool prepare_tcp_segment6(
const struct sockaddr_in6 *src, const struct sockaddr_in6 *dst,
uint8_t tcp_flags,
bool sack,
uint16_t nmss,
uint32_t nseq, uint32_t nack_seq,
uint16_t nwsize,
uint8_t scale_factor,
@@ -97,6 +102,8 @@ bool prepare_tcp_segment6(
bool prepare_tcp_segment(
const struct sockaddr *src, const struct sockaddr *dst,
uint8_t tcp_flags,
bool sack,
uint16_t nmss,
uint32_t nseq, uint32_t nack_seq,
uint16_t nwsize,
uint8_t scale_factor,
@@ -162,13 +169,16 @@ bool ip_frag(
uint8_t *pkt1, size_t *pkt1_size,
uint8_t *pkt2, size_t *pkt2_size);
void rewrite_ttl(struct ip *ip, struct ip6_hdr *ip6, uint8_t ttl);
bool rewrite_ttl(struct ip *ip, struct ip6_hdr *ip6, uint8_t ttl);
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);
uint8_t *tcp_find_option(struct tcphdr *tcp, uint8_t kind);
uint32_t *tcp_find_timestamps(struct tcphdr *tcp);
uint8_t tcp_find_scale_factor(const struct tcphdr *tcp);
uint16_t tcp_find_mss(struct tcphdr *tcp);
bool tcp_has_sack(struct tcphdr *tcp);
bool tcp_has_fastopen(const struct tcphdr *tcp);
#ifdef __CYGWIN__