/* sniffer.h * * Copyright (C) 2006-2019 wolfSSL Inc. * * This file is part of wolfSSL. * * wolfSSL is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * wolfSSL is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA */ #ifndef WOLFSSL_SNIFFER_H #define WOLFSSL_SNIFFER_H #include #ifdef _WIN32 #ifdef SSL_SNIFFER_EXPORTS #define SSL_SNIFFER_API __declspec(dllexport) #else #define SSL_SNIFFER_API __declspec(dllimport) #endif #else #define SSL_SNIFFER_API #endif /* _WIN32 */ #ifdef __cplusplus extern "C" { #endif /* @param typeK: (formerly keyType) was shadowing a global declaration in * wolfssl/wolfcrypt/asn.h line 175 */ WOLFSSL_API SSL_SNIFFER_API int ssl_SetPrivateKey(const char* address, int port, const char* keyFile, int typeK, const char* password, char* error); WOLFSSL_API SSL_SNIFFER_API int ssl_SetNamedPrivateKey(const char* name, const char* address, int port, const char* keyFile, int typeK, const char* password, char* error); WOLFSSL_API SSL_SNIFFER_API int ssl_DecodePacket(const unsigned char* packet, int length, unsigned char** data, char* error); WOLFSSL_API SSL_SNIFFER_API int ssl_FreeDecodeBuffer(unsigned char** data, char* error); WOLFSSL_API SSL_SNIFFER_API int ssl_FreeZeroDecodeBuffer(unsigned char** data, int sz, char* error); WOLFSSL_API SSL_SNIFFER_API int ssl_Trace(const char* traceFile, char* error); WOLFSSL_API SSL_SNIFFER_API int ssl_EnableRecovery(int onOff, int maxMemory, char* error); WOLFSSL_API SSL_SNIFFER_API int ssl_GetSessionStats(unsigned int* active, unsigned int* total, unsigned int* peak, unsigned int* maxSessions, unsigned int* missedData, unsigned int* reassemblyMemory, char* error); WOLFSSL_API void ssl_InitSniffer(void); WOLFSSL_API void ssl_FreeSniffer(void); /* ssl_SetPrivateKey typeKs */ enum { FILETYPE_PEM = 1, FILETYPE_DER = 2, }; /* * New Sniffer API that provides read-only access to the TLS and cipher * information associated with the SSL session. */ #if defined(__IAR_SYSTEMS_ICC__) || defined(__GNUC__) #define WOLFSSL_PACK __attribute__ ((packed)) #else #define WOLFSSL_PACK #endif typedef struct SSLInfo { unsigned char isValid; /* indicates if the info in this struct is valid: 0 = no, 1 = yes */ unsigned char protocolVersionMajor; /* SSL Version: major */ unsigned char protocolVersionMinor; /* SSL Version: minor */ unsigned char serverCipherSuite0; /* first byte, normally 0 */ unsigned char serverCipherSuite; /* second byte, actual suite */ unsigned char serverCipherSuiteName[256]; /* cipher name, e.g., "TLS_RSA_..." */ unsigned char serverNameIndication[128]; unsigned int keySize; } WOLFSSL_PACK SSLInfo; WOLFSSL_API SSL_SNIFFER_API int ssl_DecodePacketWithSessionInfo( const unsigned char* packet, int length, unsigned char** data, SSLInfo* sslInfo, char* error); typedef void (*SSLConnCb)(const void* session, SSLInfo* info, void* ctx); WOLFSSL_API SSL_SNIFFER_API int ssl_SetConnectionCb(SSLConnCb cb); WOLFSSL_API SSL_SNIFFER_API int ssl_SetConnectionCtx(void* ctx); typedef struct SSLStats { unsigned long int sslStandardConns; unsigned long int sslClientAuthConns; unsigned long int sslResumedConns; unsigned long int sslEphemeralMisses; unsigned long int sslResumeMisses; unsigned long int sslCiphersUnsupported; unsigned long int sslKeysUnmatched; unsigned long int sslKeyFails; unsigned long int sslDecodeFails; unsigned long int sslAlerts; unsigned long int sslDecryptedBytes; unsigned long int sslEncryptedBytes; unsigned long int sslEncryptedPackets; unsigned long int sslDecryptedPackets; unsigned long int sslKeyMatches; unsigned long int sslEncryptedConns; unsigned long int sslResumptionValid; unsigned long int sslResumptionInserts; } SSLStats; WOLFSSL_API SSL_SNIFFER_API int ssl_ResetStatistics(void); WOLFSSL_API SSL_SNIFFER_API int ssl_ReadStatistics(SSLStats* stats); WOLFSSL_API SSL_SNIFFER_API int ssl_ReadResetStatistics(SSLStats* stats); typedef int (*SSLWatchCb)(void* vSniffer, const unsigned char* certHash, unsigned int certHashSz, const unsigned char* certChain, unsigned int certChainSz, void* ctx, char* error); WOLFSSL_API SSL_SNIFFER_API int ssl_SetWatchKeyCallback(SSLWatchCb cb, char* error); WOLFSSL_API SSL_SNIFFER_API int ssl_SetWatchKeyCallback_ex(SSLWatchCb cb, int devId, char* error); WOLFSSL_API SSL_SNIFFER_API int ssl_SetWatchKeyCtx(void* ctx, char* error); WOLFSSL_API SSL_SNIFFER_API int ssl_SetWatchKey_buffer(void* vSniffer, const unsigned char* key, unsigned int keySz, int keyType, char* error); WOLFSSL_API SSL_SNIFFER_API int ssl_SetWatchKey_file(void* vSniffer, const char* keyFile, int keyType, const char* password, char* error); typedef int (*SSLStoreDataCb)(const unsigned char* decryptBuf, unsigned int decryptBufSz, unsigned int decryptBufOffset, void* ctx); WOLFSSL_API SSL_SNIFFER_API int ssl_SetStoreDataCallback(SSLStoreDataCb cb); WOLFSSL_API SSL_SNIFFER_API int ssl_DecodePacketWithSessionInfoStoreData( const unsigned char* packet, int length, void* ctx, SSLInfo* sslInfo, char* error); WOLFSSL_API SSL_SNIFFER_API int ssl_DecodePacketWithChain(void* vChain, unsigned int chainSz, unsigned char** data, char* error); WOLFSSL_API SSL_SNIFFER_API int ssl_DecodePacketWithChainSessionInfoStoreData( void* vChain, unsigned int chainSz, void* ctx, SSLInfo* sslInfo, char* error); #ifdef __cplusplus } /* extern "C" */ #endif #endif /* wolfSSL_SNIFFER_H */