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nfqws: tls client hello reassemble

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bol-van
2023-11-15 19:36:34 +03:00
parent f25f1f104b
commit a9a4cd5cb4
23 changed files with 377 additions and 149 deletions
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14
nfq/protocol.h
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@@ -5,6 +5,7 @@
#include <stdbool.h>
#include "crypto/sha.h"
#include "crypto/aes-gcm.h"
#include "helpers.h"
bool IsHttp(const uint8_t *data, size_t len);
// header must be passed like this : "\nHost:"
@@ -17,11 +18,14 @@ int HttpReplyCode(const uint8_t *data, size_t len);
// must be pre-checked by IsHttpReply
bool HttpReplyLooksLikeDPIRedirect(const uint8_t *data, size_t len, const char *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);
uint16_t TLSRecordDataLen(const uint8_t *data);
size_t TLSRecordLen(const uint8_t *data);
bool IsTLSRecordFull(const uint8_t *data, size_t len);
bool IsTLSClientHello(const uint8_t *data, size_t len, bool bPartialIsOK);
bool TLSFindExt(const uint8_t *data, size_t len, uint16_t type, const uint8_t **ext, size_t *len_ext, bool bPartialIsOK);
bool TLSFindExtInHandshake(const uint8_t *data, size_t len, uint16_t type, const uint8_t **ext, size_t *len_ext, bool bPartialIsOK);
bool TLSHelloExtractHost(const uint8_t *data, size_t len, char *host, size_t len_host, bool bPartialIsOK);
bool TLSHelloExtractHostFromHandshake(const uint8_t *data, size_t len, char *host, size_t len_host, bool bPartialIsOK);
bool IsWireguardHandshakeInitiation(const uint8_t *data, size_t len);
bool IsDhtD1(const uint8_t *data, size_t len);