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// **********************************************************************
//
// Copyright (c) 2003-2015 ZeroC, Inc. All rights reserved.
//
// This copy of Ice is licensed to you under the terms described in the
// ICE_LICENSE file included in this distribution.
//
// **********************************************************************
#ifndef ICE_SSL_UTIL_H
#define ICE_SSL_UTIL_H
#include <IceUtil/Mutex.h>
#include <IceUtil/Shared.h>
#include <IceUtil/Handle.h>
#include <IceSSL/Plugin.h>
#if defined(ICE_USE_OPENSSL)
# include <openssl/ssl.h>
# include <list>
#elif defined(ICE_USE_SECURE_TRANSPORT)
# include <Security/Security.h>
# include <CoreFoundation/CoreFoundation.h>
#elif defined(ICE_USE_SCHANNEL)
# include <wincrypt.h>
#endif
namespace IceSSL
{
//
// Constants for X509 certificate alt names (AltNameOther, AltNameORAddress, AltNameEDIPartyName and
// AltNameObjectIdentifier) are not supported.
//
//const int AltNameOther = 0;
const int AltNameEmail = 1;
const int AltNameDNS = 2;
//const int AltNameORAddress = 3;
const int AltNameDirectory = 4;
//const int AltNameEDIPartyName = 5;
const int AltNameURL = 6;
const int AltNAmeIP = 7;
//const AltNameObjectIdentifier = 8;
#ifdef ICE_USE_OPENSSL
# ifndef OPENSSL_NO_DH
class DHParams : public IceUtil::Shared, public IceUtil::Mutex
{
public:
DHParams();
~DHParams();
bool add(int, const std::string&);
DH* get(int);
private:
typedef std::pair<int, DH*> KeyParamPair;
typedef std::list<KeyParamPair> ParamList;
ParamList _params;
DH* _dh512;
DH* _dh1024;
DH* _dh2048;
DH* _dh4096;
};
typedef IceUtil::Handle<DHParams> DHParamsPtr;
# endif
//
// Accumulate the OpenSSL error stack into a string.
//
std::string getSslErrors(bool);
#elif defined(ICE_USE_SECURE_TRANSPORT)
template<typename T>
class UniqueRef
{
public:
explicit UniqueRef(CFTypeRef ptr = 0) : _ptr((T)ptr)
{
}
~UniqueRef()
{
if(_ptr != 0)
{
CFRelease(_ptr);
}
}
T release()
{
T r = _ptr;
_ptr = 0;
return r;
}
void reset(CFTypeRef ptr = 0)
{
if(_ptr == ptr)
{
return;
}
if(_ptr != 0)
{
CFRelease(_ptr);
}
_ptr = (T)ptr;
}
void retain(CFTypeRef ptr)
{
reset(ptr ? CFRetain(ptr) : ptr);
}
T get() const
{
return _ptr;
}
operator bool() const
{
return _ptr != 0;
}
private:
T _ptr;
};
//
// Helper functions to use by Secure Transport.
//
std::string fromCFString(CFStringRef);
inline CFStringRef
toCFString(const std::string& s)
{
return CFStringCreateWithCString(NULL, s.c_str(), kCFStringEncodingUTF8);
}
std::string errorToString(CFErrorRef);
std::string errorToString(OSStatus);
//
// Retrieve a certificate property
//
CFDictionaryRef getCertificateProperty(SecCertificateRef, CFTypeRef);
//
// Read a private key from an file and associate it to the given certificate.
//
SecIdentityRef loadPrivateKey(const std::string&, SecCertificateRef, SecKeychainRef, const std::string&,
const PasswordPromptPtr&, int);
//
// Read certificate from a file.
//
CFArrayRef loadCertificateChain(const std::string&, const std::string&, SecKeychainRef, const std::string&,
const PasswordPromptPtr&, int);
SecCertificateRef loadCertificate(const std::string&);
CFArrayRef loadCACertificates(const std::string&);
SecCertificateRef findCertificate(SecKeychainRef, const std::string&);
#elif defined(ICE_USE_SCHANNEL)
std::vector<PCCERT_CONTEXT>
findCertificates(const std::string&, const std::string&, const std::string&, std::vector<HCERTSTORE>&);
#endif
//
// Read a file into memory buffer.
//
void readFile(const std::string&, std::vector<char>&);
//
// Determine if a file or directory exists, with an optional default
// directory.
//
bool checkPath(const std::string&, const std::string&, bool, std::string&);
}
#endif
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