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// **********************************************************************
//
// Copyright (c) 2001
// MutableRealms, Inc.
// Huntsville, AL, USA
//
// All Rights Reserved
//
// **********************************************************************
#ifndef ICE_SSL_SYSTEM_OPENSSL_H
#define ICE_SSL_SYSTEM_OPENSSL_H
#include <openssl/ssl.h>
#include <string>
#include <map>
#include <JTC/JTC.h>
#include <Ice/Config.h>
#include <Ice/TraceLevels.h>
#include <Ice/Logger.h>
#include <Ice/SslFactory.h>
#include <Ice/SslSystem.h>
#include <Ice/SslConnection.h>
#include <Ice/SslConnectionOpenSSL.h>
namespace IceSecurity
{
namespace Ssl
{
typedef enum
{
SSL_V2 = 1, // Only speak SSLv2
SSL_V23, // Speak SSLv2 and SSLv3
SSL_V3, // Only speak SSLv3
TLS_V1 // Only speak TLSv1
} SslProtocol;
}
}
#include <Ice/SslGeneralConfig.h>
#include <Ice/SslCertificateDesc.h>
#include <Ice/SslCertificateAuthority.h>
#include <Ice/SslBaseCerts.h>
#include <Ice/SslTempCerts.h>
extern "C"
{
RSA* tmpRSACallback(SSL*, int, int);
DH* tmpDHCallback(SSL*, int, int);
}
namespace IceSecurity
{
namespace Ssl
{
class GeneralConfig;
namespace OpenSSL
{
using namespace Ice;
using namespace IceSecurity::Ssl;
using std::map;
using std::string;
typedef map<int,RSA*> RSAMap;
typedef map<int,DH*> DHMap;
typedef map<int,CertificateDesc> RSACertMap;
typedef map<int,CertificateDesc> DSACertMap;
typedef map<int,DiffieHellmanParamsFile> DHParamsMap;
class System : public IceSecurity::Ssl::System
{
public:
void printContextInfo(SSL_CTX*);
// This is how we create a Server connection.
virtual IceSecurity::Ssl::Connection* createServerConnection(int);
// This is how we create a Client connection.
virtual IceSecurity::Ssl::Connection* createClientConnection(int);
// Shuts down the SSL System.
virtual void shutdown();
virtual bool isConfigLoaded();
virtual void loadConfig();
// Returns the desired RSA Key, or creates it if not already created.
// This is public because the tmpRSACallback must be able to access it.
RSA* getRSAKey(SSL*, int, int);
// Returns the desired DH Params. If the Params do not already exist, and the key
// requested is a 512bit or 1024bit key, we use the compiled-in temporary params.
// If the key is some other length, we read the desired key, based on length,
// from a DH Param file.
// This is public because the tmpDHCallback must be able to access it.
DH* getDHParams(SSL*, int, int);
static TraceLevelsPtr _globalTraceLevels;
static Ice::LoggerPtr _globalLogger;
protected:
System(string&);
~System();
private:
// Base Diffie-Hellman 512bit key (only to be used for key exchange).
static unsigned char _tempDiffieHellman512p[];
static unsigned char _tempDiffieHellman512g[];
// Default SSL Contexts, for both Server and Client connections.
SSL_CTX* _sslServerContext;
SSL_CTX* _sslClientContext;
// Keep a cache of all temporary RSA keys.
RSAMap _tempRSAKeys;
JTCMutex _tempRSAKeysMutex;
// Keep a cache of all temporary Diffie-Hellman keys.
DHMap _tempDHKeys;
JTCMutex _tempDHKeysMutex;
// Maps of all temporary keying information.
// The files themselves will not be loaded until
// needed.
RSACertMap _tempRSAFileMap;
DSACertMap _tempDSAFileMap;
DHParamsMap _tempDHParamsFileMap;
// The Session ID Context (Server Only).
string _sessionContext;
// Flag as to whether the Random Number system has been seeded.
int _randSeeded;
bool _configLoaded;
// Call to initialize the SSL system.
void initClient(GeneralConfig&, CertificateAuthority&, BaseCertificates&);
void initServer(GeneralConfig&, CertificateAuthority&, BaseCertificates&, TempCertificates&);
SSL_METHOD* getSslMethod(SslProtocol);
void processCertificate(SSL_CTX*, const CertificateDesc&);
void addKeyCert(SSL_CTX*, const CertificateFile&, const CertificateFile&);
SSL_CTX* createContext(SslProtocol);
// Retrieves errors from the OpenSSL library.
string sslGetErrors();
// Create a connection.
SSL* createConnection(SSL_CTX*, int);
// Methods for loading CAFiles into a Context.
void loadCAFiles(SSL_CTX*, CertificateAuthority&);
void loadCAFiles(SSL_CTX*, const char*, const char*);
void loadAndCheckCAFiles(SSL_CTX*, CertificateAuthority&);
DH* loadDHParam(const char *);
DH* getTempDH(unsigned char*, int, unsigned char*, int);
DH* getTempDH512();
void setDHParams(SSL_CTX*, BaseCertificates&);
void setCipherList(SSL_CTX*, const string&);
// Cryptographic Random Number System related routines.
int seedRand();
long loadRandFiles(const string&);
void initRandSystem(const string&);
void loadTempCerts(TempCertificates&);
friend class IceSecurity::Ssl::Factory;
friend class Connection;
};
}
}
}
#endif
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