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#ifndef _QUIC_DEPROTECTION_H
#define _QUIC_DEPROTECTION_H
#ifdef __cpluscplus
extern "C"
{
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <unistd.h>
#include <fcntl.h>
#include <signal.h>
#include <sys/stat.h>
#include <arpa/inet.h>
#ifdef DEBUG_SWITCH
#define LOG_DEBUG(format, ...) \
{ \
fprintf(stdout, format "\n", ##__VA_ARGS__); \
fflush(stdout); \
}
#define LOG_WARN(format, ...) \
{ \
fprintf(stderr, format "\n", ##__VA_ARGS__); \
fflush(stderr); \
}
#define LOG_ERROR(format, ...) \
{ \
fprintf(stderr, format "\n", ##__VA_ARGS__); \
fflush(stderr); \
}
#else
#define LOG_DEBUG(format, ...)
#define LOG_WARN(format, ...)
#define LOG_ERROR(format, ...)
#endif
#define QUIC_MAX_UDP_PAYLOAD_SIZE 1460
#define quic_string(str) \
{ \
sizeof(str) - 1, (u_char *)str \
}
typedef struct
{
size_t len;
u_char *data;
} quic_str_t;
typedef struct quic_secret_s
{
quic_str_t secret;
quic_str_t key;
quic_str_t iv;
quic_str_t hp;
} quic_secret_t;
typedef enum
{
ssl_encryption_initial = 0,
ssl_encryption_early_data = 1,
ssl_encryption_handshake = 2,
ssl_encryption_application = 3,
} ssl_encryption_level_t;
typedef enum
{
LONG = 0,
SHORT = 1,
} quic_header_type;
typedef struct
{
quic_secret_t client_secret;
ssl_encryption_level_t level; // QUIC Packet Process Level
quic_header_type header_type; // QUIC Packet Header Type
uint32_t version; // QUIC Version
uint8_t flags; // QUIC Flags
u_char *data; // QUIC Packet Data
size_t len; // QUIC Packet Length
u_char *pos; // Process Ptr
uint64_t largest_pkt_num;
quic_str_t dcid; // QUIC DCID
quic_str_t scid; // QUIC SCID
quic_str_t token; // QUIC TOKEN
size_t pkt_len;
uint64_t pkt_num; // QUIC Packet Number
u_char *plaintext;
quic_str_t payload; // Decrypted data
unsigned key_phase : 1;
} quic_dpt_t;
quic_dpt_t *quic_deprotection_new(void);
void quic_deprotection_free(quic_dpt_t *dpt);
void quic_deprotection_dump(quic_dpt_t *dpt);
int quic_deprotection(quic_dpt_t *dpt, const u_char *payload, size_t payload_len);
#ifdef __cpluscplus
}
#endif
#endif
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