zapret/nfq/desync.h

56 lines
1.3 KiB
C

#pragma once
#define __FAVOR_BSD
#include "darkmagic.h"
#include <stdint.h>
#include <stdbool.h>
#include <netinet/ip.h>
#include <netinet/ip6.h>
#include <netinet/tcp.h>
#include <netinet/in.h>
#ifdef __linux__
#define DPI_DESYNC_FWMARK_DEFAULT 0x40000000
#else
#define DPI_DESYNC_FWMARK_DEFAULT 512
#endif
#define DPI_DESYNC_MAX_FAKE_LEN 9216
enum dpi_desync_mode {
DESYNC_NONE=0,
DESYNC_INVALID,
DESYNC_FAKE,
DESYNC_FAKE_KNOWN,
DESYNC_RST,
DESYNC_RSTACK,
DESYNC_SYNACK,
DESYNC_SYNDATA,
DESYNC_DISORDER,
DESYNC_DISORDER2,
DESYNC_SPLIT,
DESYNC_SPLIT2,
DESYNC_IPFRAG2,
DESYNC_HOPBYHOP,
DESYNC_DESTOPT,
DESYNC_IPFRAG1,
DESYNC_UDPLEN,
DESYNC_TAMPER
};
extern const char *fake_http_request_default;
extern const uint8_t fake_tls_clienthello_default[517];
enum dpi_desync_mode desync_mode_from_string(const char *s);
bool desync_valid_zero_stage(enum dpi_desync_mode mode);
bool desync_valid_first_stage(enum dpi_desync_mode mode);
bool desync_only_first_stage(enum dpi_desync_mode mode);
bool desync_valid_second_stage(enum dpi_desync_mode mode);
bool desync_valid_second_stage_tcp(enum dpi_desync_mode mode);
bool desync_valid_second_stage_udp(enum dpi_desync_mode mode);
void desync_init(void);
uint8_t dpi_desync_packet(uint32_t fwmark, const char *ifout, uint8_t *data_pkt, size_t *len_pkt);