212 lines
5.7 KiB
C
212 lines
5.7 KiB
C
/*
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* gquic_process.h
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*
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* Created on: 2019<31><39>4<EFBFBD><34>2<EFBFBD><32>
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* Author: root
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*/
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#ifndef SRC_GQUIC_GQUIC_PROCESS_H_
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#define SRC_GQUIC_GQUIC_PROCESS_H_
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#include <stddef.h>
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#include <stdint.h>
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#include <stdbool.h>
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#include "gquic.h"
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#define VERSION_LEN 4
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#define VER_Q046 0x51303436
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/**************************************************************************/
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/* Public flag */
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/**************************************************************************/
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#define PACKET_PUBLIC_FLAGS_MAX 0x7f
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#define PUBLIC_FLAG_VER_FST_BYTE 0x51
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#define PUBLIC_FLAG_VER 0x01
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#define PUBLIC_FLAG_RST 0x02
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#define PUBLIC_FLAG_NONCE 0x04
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#define BYTE_CNTID_8 0x08
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#define BYTE_CNTID_0 0x00
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enum gquic_connid_len {
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PACKET_0BYTE_CONNECTION_ID = 0,
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PACKET_8BYTE_CONNECTION_ID = 8
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};
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#define PKT_NUM_6 0x30
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#define PKT_NUM_4 0x20
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#define PKT_NUM_2 0x10
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#define PKT_NUM_1 0x00
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//enum gquic_pkt_num_len {
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// PACKET_1BYTE_PACKET_NUMBER = 1,
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// PACKET_2BYTE_PACKET_NUMBER = 2,
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// PACKET_4BYTE_PACKET_NUMBER = 4,
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// PACKET_6BYTE_PACKET_NUMBER = 6
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//};
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// Used to indicate a QuicSequenceNumberLength using two flag bits.
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enum gquic_pkt_num_len_flags {
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PACKET_FLAGS_1BYTE_PACKET = 0, // 00
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PACKET_FLAGS_2BYTE_PACKET = 1, // 01
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PACKET_FLAGS_4BYTE_PACKET = 1 << 1, // 10
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PACKET_FLAGS_6BYTE_PACKET = 1 << 1 | 1, // 11
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};
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//#define PUBLIC_FLAG_MULTIPATH 0x40
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#define UNUSE 0x80
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#define MSG_AUTH_HASH_LEN 12
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#define PUB_HEAD_SEQ_SFT 4
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/**************************************************************************/
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/* Frame type */
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/**************************************************************************/
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#define FRAM_SPECIAL 0xE0
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#define STREAM 0x80
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#define STREAM_F 0x40 //fin
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#define STREAM_D 0x20 //data length
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#define STREAM_OOO 0x1C //offset length
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#define STREAM_SS 0x03 //stream length
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#define ACK 0x40
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#define ACK_LL 0x0c
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#define ACK_MM 0x03
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#define ACK_N 0x20
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#define CONGESTION_FEEDBACK 0x20
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#define PADDING 0x00
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#define RST_STREAM 0x01
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#define CONNECTION_CLOSE 0x02
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#define GOAWAY 0x03
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#define WINDOW_UPDATE 0x04
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#define BLOCKED 0x05
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#define STOP_WAITING 0x06
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#define PING 0x07
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#define STREAM_ID_1BYTE 0x00
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#define STREAM_ID_2BYTE 0x01
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#define STREAM_ID_3BYTE 0x02
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#define STREAM_ID_4BYTE 0x03
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enum frame_type_t{
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FRAME_UNKNOWN = 0,
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FRAME_STREAM,
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FRAME_ACK,
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FRAME_CONGESTION_FEEDBACK,
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FRAME_PADDING,
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FRAME_RST_STREAM,
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FRAME_CONNECTION_CLOSE,
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FRAME_GOAWAY,
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FRAME_WINDOW_UPDATE,
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FRAME_BLOCKED,
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FRAME_STOP_WAITING,
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FRAME_PING
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};
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/**************************************************************************/
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/* Message tag */
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/**************************************************************************/
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#define CHLO 0x43484C4F
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#define SHLO 0x53484C4F
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#define REJ 0x52454A00
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#define PRST 0x50525354
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enum message_tag_t{
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MTAG_UNKNOWN = 0,
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MTAG_CHLO,
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MTAG_SHLO,
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MTAG_REJ,
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MTAG_PRST
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};
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struct gquic_frame_hdr{
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enum frame_type_t frame_type;
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UCHAR is_fin;
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UCHAR data_len_byte;
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UCHAR offset_len;
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UCHAR stream_id_len;
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UINT8 stream_id;
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UINT16 data_len;
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UCHAR padding_len;
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enum message_tag_t tag;
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UINT32 tag_num;
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};
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struct gquic_pkt_hdr{
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UINT64 connection_id;
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int connection_id_len;
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UINT8 nonce_flag;
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UINT8 reset_flag;
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UINT8 version_flag;
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UINT32 packet_number_len;
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UINT32 version;
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UINT8 version_int8;
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UINT32 packet_number;
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UCHAR auth_hash[MSG_AUTH_HASH_LEN];
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// struct gquic_frame_hdr* frame_hdr;
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};
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/**************************************************************************/
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/* Tag */
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/**************************************************************************/
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#define TAG_PAD 0x50414400
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#define TAG_SNI 0x534E4900
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#define TAG_VER 0x56455200
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#define TAG_CCS 0x43435300
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#define TAG_UAID 0x55414944
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#define TAG_PDMD 0x50444d44
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#define TAG_STK 0x53544b00
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#define TAG_SNO 0x534E4F00
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#define TAG_PROF 0x50524F46
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#define TAG_SCFG 0x53434647
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#define TAG_RREJ 0x5252454A
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#define TAG_CRT 0x435254FF
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#define TAG_AEAD 0x41454144
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#define TAG_SCID 0x53434944
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#define TAG_PUBS 0x50554253
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#define TAG_KEXS 0x4B455853
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#define TAG_OBIT 0x4F424954
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#define TAG_EXPY 0x45585059
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#define TAG_NONC 0x4E4F4E43
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#define TAG_MSPC 0x4D535043
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#define TAG_TCID 0x54434944
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#define TAG_SRBF 0x53524246
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#define TAG_ICSL 0x4943534C
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#define TAG_SCLS 0x53434C53
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#define TAG_COPT 0x434F5054
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#define TAG_CCRT 0x43435254
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#define TAG_IRTT 0x49525454
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#define TAG_CFCW 0x43464357
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#define TAG_SFCW 0x53464357
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#define TAG_CETV 0x43455456
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#define TAG_XLCT 0x584C4354
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#define TAG_NONP 0x4E4F4E50
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#define TAG_CSCT 0x43534354
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#define TAG_CTIM 0x4354494D
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#define TAG_MIDS 0x4D494453
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#define TAG_FHOL 0x46484F4C
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#define TAG_STTL 0x5354544C
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#define TAG_SMHL 0x534D484C
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#define TAG_TBKP 0x54424B50
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/* Public Reset Tag */
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#define TAG_RNON 0x524E4F4E
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#define TAG_RSEQ 0x52534551
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#define TAG_CADR 0x43414452
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UINT8 gquic_process(struct streaminfo *pstream, struct quic_stream* a_quic_stream, int thread_seq, void* a_packet);
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UINT32 read_offset_len(UINT8 frame_type);
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UINT32 read_stream_len(UINT8 frame_type);
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UINT32 read_largest_observed_len(UINT8 frame_type);
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UINT32 read_missing_packet_len(UINT8 frame_type);
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UINT32 get_stream_id(char* g_data_t, UINT8 frame_type, UINT32 *skip_len);
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UINT32 read_seq_num_len(UINT8 flags);
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int read_conn_id_len(UINT8 flags);
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#endif
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