97 lines
2.5 KiB
C
97 lines
2.5 KiB
C
/*
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* quic.h
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*
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* Created on: 2019-4-4
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* Author: root
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*/
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#ifndef _GQUIC_H_
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#define _GQUIC_H_
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#define QUIC_INTEREST_KEY (1<<QUIC_INTEREST_KEY_MASK)
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#define QUIC_CLIENT_HELLO (1<<QUIC_CLIENT_HELLO_MASK)
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#define QUIC_SERVER_HELLO (1<<QUIC_SERVER_HELLO_MASK)
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#define QUIC_CACHED_CERT (1<<QUIC_CACHED_CERT_MASK)
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#define QUIC_COMM_CERT (1<<QUIC_COMM_CERT_MASK)
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#define QUIC_CERT_CHAIN (1<<QUIC_CERT_CHAIN_MASK)
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#define QUIC_APPLICATION_DATA (1<<QUIC_APPLICATION_DATA_MASK)
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#define QUIC_USEING_VERSION (1<<QUIC_USEING_VERSION_MASK)
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#define QUIC_NEGOTIATION_VERSION (1<<QUIC_NEGOTIATION_VERSION_MASK)
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#define QUIC_REJECTION (1<<QUIC_REJECTION_MASK)
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enum quic_interested_region
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{
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QUIC_INTEREST_KEY_MASK = 0,
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QUIC_CLIENT_HELLO_MASK,
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QUIC_SERVER_HELLO_MASK,
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QUIC_CACHED_CERT_MASK,
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QUIC_COMM_CERT_MASK,
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QUIC_CERT_CHAIN_MASK,
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QUIC_APPLICATION_DATA_MASK,
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QUIC_USEING_VERSION_MASK,
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QUIC_NEGOTIATION_VERSION_MASK,
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QUIC_REJECTION_MASK
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};
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typedef struct _quic_tlv
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{
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unsigned int type;
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unsigned int length;
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void *value;
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}quic_tlv_t;
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#define MAX_CONNECT_ID_LEN 18
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struct _quic_public_header
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{
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unsigned char public_flags;
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unsigned char is_reset;
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unsigned char is_sepcial_packet; // special Packets
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unsigned char is_version_negotiation;
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unsigned char server_CID_len;
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unsigned char client_CID_len;
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unsigned char negotiation_version_num;
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unsigned int quic_version;
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unsigned long long packet_number;
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unsigned char server_CID[MAX_CONNECT_ID_LEN]; ////use first 8 bytes if GQUIC version 1~43
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unsigned char client_CID[MAX_CONNECT_ID_LEN]; // no used if GQUIC version 1~43
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unsigned int *negotiation_version_list;
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};
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struct _gquic_frame_header
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{
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unsigned char frame_type;
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unsigned char fin_state;
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unsigned short data_len;
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unsigned int stream_id;
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unsigned long long offset;
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};
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struct _quic_stream
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{
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unsigned char count;
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unsigned char sni_idx;
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unsigned char ua_idx;
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unsigned char ver_idx;
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unsigned int ext_tag_num; //number of extensions or tags
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quic_tlv_t *ext_tags; //extensions or tags
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};
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struct _quic_info
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{
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struct _quic_stream *rejection;
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struct _quic_stream *client_hello;
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struct _quic_stream *server_hello;
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struct _gquic_frame_header frame_hdr;
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struct _quic_public_header quic_hdr;
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};
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//buff_len minimun 32bytes
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int quic_version_int2string(unsigned int version, char *buff, int buff_len);
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//ret: 0: not quic, >0: quic version
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unsigned int quic_protocol_identify(struct streaminfo *a_stream, void *a_packet, char *out_sni, int *out_sni_len, char *out_ua, int *out_ua_len);
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#endif /* SRC_GQUIC_H_ */
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