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