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280 lines
9.3 KiB
C
280 lines
9.3 KiB
C
/* sniffer.h
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*
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* Copyright (C) 2006-2021 wolfSSL Inc.
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*
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* This file is part of wolfSSL.
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*
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* wolfSSL is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* wolfSSL is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
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*/
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#ifndef WOLFSSL_SNIFFER_H
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#define WOLFSSL_SNIFFER_H
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#include <libs/libwolfssl/wolfcrypt/settings.h>
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#include <libs/libwolfssl/wolfcrypt/asn_public.h>
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#ifdef _WIN32
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#ifdef SSL_SNIFFER_EXPORTS
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#define SSL_SNIFFER_API __declspec(dllexport)
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#else
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#define SSL_SNIFFER_API __declspec(dllimport)
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#endif
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#else
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#define SSL_SNIFFER_API
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#endif /* _WIN32 */
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* @param typeK: (formerly keyType) was shadowing a global declaration in
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* wolfssl/wolfcrypt/asn.h line 175
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*/
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WOLFSSL_API
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SSL_SNIFFER_API int ssl_SetPrivateKey(const char* address, int port,
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const char* keyFile, int typeK,
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const char* password, char* error);
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WOLFSSL_API
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SSL_SNIFFER_API int ssl_SetPrivateKeyBuffer(const char* address, int port,
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const char* keyBuf, int keySz,
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int typeK, const char* password,
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char* error);
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WOLFSSL_API
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SSL_SNIFFER_API int ssl_SetNamedPrivateKey(const char* name,
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const char* address, int port,
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const char* keyFile, int typeK,
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const char* password, char* error);
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WOLFSSL_API
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SSL_SNIFFER_API int ssl_SetNamedPrivateKeyBuffer(const char* name,
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const char* address, int port,
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const char* keyBuf, int keySz,
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int typeK, const char* password,
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char* error);
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WOLFSSL_API
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SSL_SNIFFER_API int ssl_SetEphemeralKey(const char* address, int port,
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const char* keyFile, int typeKey,
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const char* password, char* error);
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WOLFSSL_API
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SSL_SNIFFER_API int ssl_SetEphemeralKeyBuffer(const char* address, int port,
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const char* keyBuf, int keySz, int typeKey,
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const char* password, char* error);
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WOLFSSL_API
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SSL_SNIFFER_API int ssl_SetNamedEphemeralKey(const char* name,
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const char* address, int port,
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const char* keyFile, int typeKey,
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const char* password, char* error);
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WOLFSSL_API
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SSL_SNIFFER_API int ssl_SetNamedEphemeralKeyBuffer(const char* name,
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const char* address, int port,
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const char* keyBuf, int keySz, int typeKey,
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const char* password, char* error);
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WOLFSSL_API
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SSL_SNIFFER_API int ssl_DecodePacket(const unsigned char* packet, int length,
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unsigned char** data, char* error);
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WOLFSSL_API
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SSL_SNIFFER_API int ssl_FreeDecodeBuffer(unsigned char** data, char* error);
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WOLFSSL_API
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SSL_SNIFFER_API int ssl_FreeZeroDecodeBuffer(unsigned char** data, int sz,
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char* error);
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WOLFSSL_API
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SSL_SNIFFER_API int ssl_Trace(const char* traceFile, char* error);
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WOLFSSL_API
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SSL_SNIFFER_API int ssl_EnableRecovery(int onOff, int maxMemory, char* error);
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WOLFSSL_API
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SSL_SNIFFER_API int ssl_GetSessionStats(unsigned int* active,
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unsigned int* total,
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unsigned int* peak,
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unsigned int* maxSessions,
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unsigned int* missedData,
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unsigned int* reassemblyMemory,
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char* error);
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WOLFSSL_API void ssl_InitSniffer(void);
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WOLFSSL_API void ssl_FreeSniffer(void);
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/* ssl_SetPrivateKey typeKs */
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enum {
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FILETYPE_PEM = 1,
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FILETYPE_DER = 2,
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};
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/*
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* New Sniffer API that provides read-only access to the TLS and cipher
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* information associated with the SSL session.
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*/
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typedef struct SSLInfo
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{
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unsigned char isValid;
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/* indicates if the info in this struct is valid: 0 = no, 1 = yes */
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unsigned char protocolVersionMajor; /* SSL Version: major */
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unsigned char protocolVersionMinor; /* SSL Version: minor */
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unsigned char serverCipherSuite0; /* first byte, normally 0 */
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unsigned char serverCipherSuite; /* second byte, actual suite */
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unsigned char serverCipherSuiteName[256];
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/* cipher name, e.g., "TLS_RSA_..." */
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unsigned char serverNameIndication[128];
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unsigned int keySize;
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} SSLInfo;
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WOLFSSL_API
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SSL_SNIFFER_API int ssl_DecodePacketWithSessionInfo(
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const unsigned char* packet, int length,
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unsigned char** data, SSLInfo* sslInfo, char* error);
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typedef void (*SSLConnCb)(const void* session, SSLInfo* info, void* ctx);
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WOLFSSL_API
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SSL_SNIFFER_API int ssl_SetConnectionCb(SSLConnCb cb);
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WOLFSSL_API
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SSL_SNIFFER_API int ssl_SetConnectionCtx(void* ctx);
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typedef struct SSLStats
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{
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unsigned long int sslStandardConns;
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unsigned long int sslClientAuthConns;
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unsigned long int sslResumedConns;
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unsigned long int sslEphemeralMisses;
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unsigned long int sslResumeMisses;
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unsigned long int sslCiphersUnsupported;
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unsigned long int sslKeysUnmatched;
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unsigned long int sslKeyFails;
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unsigned long int sslDecodeFails;
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unsigned long int sslAlerts;
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unsigned long int sslDecryptedBytes;
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unsigned long int sslEncryptedBytes;
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unsigned long int sslEncryptedPackets;
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unsigned long int sslDecryptedPackets;
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unsigned long int sslKeyMatches;
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unsigned long int sslEncryptedConns;
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unsigned long int sslResumptionInserts;
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} SSLStats;
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WOLFSSL_API
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SSL_SNIFFER_API int ssl_ResetStatistics(void);
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WOLFSSL_API
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SSL_SNIFFER_API int ssl_ReadStatistics(SSLStats* stats);
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WOLFSSL_API
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SSL_SNIFFER_API int ssl_ReadResetStatistics(SSLStats* stats);
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typedef int (*SSLKeyCb)(void* vSniffer, int namedGroup,
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const unsigned char* srvPub, unsigned int srvPubSz,
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const unsigned char* cliPub, unsigned int cliPubSz,
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DerBuffer* privKey, void* cbCtx, char* error);
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#if defined(WOLFSSL_STATIC_EPHEMERAL) && defined(WOLFSSL_TLS13)
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/* macro indicating support for key callback */
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#undef WOLFSSL_SNIFFER_KEY_CALLBACK
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#define WOLFSSL_SNIFFER_KEY_CALLBACK
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WOLFSSL_API
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SSL_SNIFFER_API int ssl_SetKeyCallback(SSLKeyCb cb, void* cbCtx);
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#endif
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#ifdef WOLFSSL_SNIFFER_WATCH
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typedef int (*SSLWatchCb)(void* vSniffer,
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const unsigned char* certHash,
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unsigned int certHashSz,
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const unsigned char* certChain,
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unsigned int certChainSz,
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void* ctx, char* error);
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WOLFSSL_API
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SSL_SNIFFER_API int ssl_SetWatchKeyCallback(SSLWatchCb cb, char* error);
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WOLFSSL_API
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SSL_SNIFFER_API int ssl_SetWatchKeyCallback_ex(SSLWatchCb cb, int devId,
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char* error);
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WOLFSSL_API
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SSL_SNIFFER_API int ssl_SetWatchKeyCtx(void* ctx, char* error);
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WOLFSSL_API
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SSL_SNIFFER_API int ssl_SetWatchKey_buffer(void* vSniffer,
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const unsigned char* key, unsigned int keySz,
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int keyType, char* error);
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WOLFSSL_API
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SSL_SNIFFER_API int ssl_SetWatchKey_file(void* vSniffer,
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const char* keyFile, int keyType,
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const char* password, char* error);
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#endif
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#ifdef WOLFSSL_SNIFFER_STORE_DATA_CB
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typedef int (*SSLStoreDataCb)(const unsigned char* decryptBuf,
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unsigned int decryptBufSz, unsigned int decryptBufOffset, void* ctx);
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WOLFSSL_API
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SSL_SNIFFER_API int ssl_SetStoreDataCallback(SSLStoreDataCb cb);
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#endif
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#ifdef WOLFSSL_SNIFFER_STORE_DATA_CB
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WOLFSSL_API
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SSL_SNIFFER_API int ssl_DecodePacketWithSessionInfoStoreData(
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const unsigned char* packet, int length, void* ctx,
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SSLInfo* sslInfo, char* error);
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#endif
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#ifdef WOLFSSL_SNIFFER_CHAIN_INPUT
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WOLFSSL_API
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SSL_SNIFFER_API int ssl_DecodePacketWithChain(void* vChain,
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unsigned int chainSz, unsigned char** data, char* error);
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#endif
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#if defined(WOLFSSL_SNIFFER_CHAIN_INPUT) && \
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defined(WOLFSSL_SNIFFER_STORE_DATA_CB)
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WOLFSSL_API
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SSL_SNIFFER_API int ssl_DecodePacketWithChainSessionInfoStoreData(
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void* vChain, unsigned int chainSz, void* ctx, SSLInfo* sslInfo,
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char* error);
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#endif
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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#endif /* wolfSSL_SNIFFER_H */
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