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nfqws: QUIC initial dissection support

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bol-van
2022-03-25 16:59:58 +03:00
parent f10d17469e
commit dce5b4c6f0
30 changed files with 3421 additions and 54 deletions
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21
nfq/protocol.h
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@@ -3,10 +3,31 @@
#include <stddef.h>
#include <stdint.h>
#include <stdbool.h>
#include "crypto/sha.h"
#include "crypto/aes-gcm.h"
bool IsHttp(const uint8_t *data, size_t len);
bool HttpExtractHost(const uint8_t *data, size_t len, char *host, size_t len_host);
bool IsTLSClientHello(const uint8_t *data, size_t len);
bool TLSFindExt(const uint8_t *data, size_t len, uint16_t type, const uint8_t **ext, size_t *len_ext);
bool TLSFindExtInHandshake(const uint8_t *data, size_t len, uint16_t type, const uint8_t **ext, size_t *len_ext);
bool TLSHelloExtractHost(const uint8_t *data, size_t len, char *host, size_t len_host);
bool TLSHelloExtractHostFromHandshake(const uint8_t *data, size_t len, char *host, size_t len_host);
#define QUIC_MAX_CID_LENGTH 20
typedef struct quic_cid {
uint8_t len;
uint8_t cid[QUIC_MAX_CID_LENGTH];
} quic_cid_t;
bool IsQUICInitial(uint8_t *data, size_t len);
bool IsQUICCryptoHello(const uint8_t *data, size_t len, size_t *hello_offset, size_t *hello_len);
bool QUICIsLongHeader(const uint8_t *data, size_t len);
uint32_t QUICExtractVersion(const uint8_t *data, size_t len);
uint8_t QUICDraftVersion(uint32_t version);
bool QUICExtractDCID(const uint8_t *data, size_t len, quic_cid_t *cid);
bool QUICDecryptInitial(const uint8_t *data, size_t data_len, uint8_t *clean, size_t *clean_len);
bool QUICDefragCrypto(const uint8_t *clean,size_t clean_len, uint8_t *defrag,size_t *defrag_len);
bool QUICExtractHostFromInitial(const uint8_t *data, size_t data_len, char *host, size_t len_host, bool *bIsCryptoHello);