GoodbyeDPI/dnsredir.h

37 lines
1.1 KiB
C

#include <stdint.h>
typedef struct conntrack_info {
uint8_t is_ipv6;
uint32_t srcip[4];
uint16_t srcport;
uint32_t dstip[4];
uint16_t dstport;
} conntrack_info_t;
inline static void ipv4_copy_addr(uint32_t dst[4], const uint32_t src[4]) {
dst[0] = src[0];
dst[1] = 0;
dst[2] = 0;
dst[3] = 0;
}
inline static void ipv6_copy_addr(uint32_t dst[4], const uint32_t src[4]) {
dst[0] = src[0];
dst[1] = src[1];
dst[2] = src[2];
dst[3] = src[3];
}
int dns_handle_incoming(const uint32_t srcip[4], const uint16_t srcport,
const char *packet_data, const UINT packet_dataLen,
conntrack_info_t *conn_info, const uint8_t is_ipv6);
int dns_handle_outgoing(const uint32_t srcip[4], const uint16_t srcport,
const uint32_t dstip[4], const uint16_t dstport,
const char *packet_data, const UINT packet_dataLen,
const uint8_t is_ipv6
);
void flush_dns_cache();
int dns_is_dns_packet(const char *packet_data, const UINT packet_dataLen, const int outgoing);