Initial commitv1.0.1

1 files changed, 116 insertions, 0 deletions

diff --git a/src/quic_deprotection.h b/src/quic_deprotection.h
new file mode 100644
index 0000000..11c0d03
--- /dev/null
+++ b/src/quic_deprotection.h
@@ -0,0 +1,116 @@
+#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