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Split raw socket logic from iptables kernel module, add udp over ipv6

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This commit is contained in:
Vadim Vetrov
2024-09-01 19:56:38 +03:00
parent 731da0dd50
commit 5e327497bb
8 changed files with 344 additions and 249 deletions
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10
utils.h
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@@ -81,6 +81,16 @@ int udp4_payload_split(uint8_t *pkt, uint32_t buflen,
struct udphdr **udph,
uint8_t **payload, uint32_t *plen);
int udp6_payload_split(uint8_t *pkt, uint32_t buflen,
struct ip6_hdr **iph, uint32_t *iph_len,
struct udphdr **udph,
uint8_t **payload, uint32_t *plen);
int udp_payload_split(uint8_t *pkt, uint32_t buflen,
void **iph, uint32_t *iph_len,
struct udphdr **udph,
uint8_t **payload, uint32_t *plen);
void tcp4_set_checksum(struct tcphdr *tcph, struct iphdr *iph);
void ip4_set_checksum(struct iphdr *iph);
void ip6_set_checksum(struct ip6_hdr *iph);