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// **********************************************************************
//
// Copyright (c) 2003-2017 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 ICESSL_UTIL_H
#define ICESSL_UTIL_H

#include <IceUtil/Mutex.h>
#include <IceUtil/Shared.h>
#include <IceUtil/Handle.h>
#include <IceSSL/Plugin.h>

#if defined(__APPLE__)
#  include <CoreFoundation/CoreFoundation.h>
#  if TARGET_OS_IPHONE != 0
#    define ICE_USE_SECURE_TRANSPORT_IOS 1
#  else
#    define ICE_USE_SECURE_TRANSPORT_MACOS 1
#  endif
#endif

namespace IceSSL
{

#if defined(__APPLE__)
//
// Helper functions to use by Secure Transport.
//
std::string fromCFString(CFStringRef);

inline CFStringRef
toCFString(const std::string& s)
{
    return CFStringCreateWithCString(ICE_NULLPTR, s.c_str(), kCFStringEncodingUTF8);
}
#endif

#ifdef ICE_CPP11_MAPPING
//
// Adapts the C++11 functions to C++98-like callbacks
//
class ICESSL_API CertificateVerifier
{
public:

    CertificateVerifier(std::function<bool(const std::shared_ptr<ConnectionInfo>&)>);
    bool verify(const ConnectionInfoPtr&);

private:

    std::function<bool(const std::shared_ptr<ConnectionInfo>&)> _verify;
};
using CertificateVerifierPtr = std::shared_ptr<CertificateVerifier>;

class ICESSL_API PasswordPrompt
{
public:

    PasswordPrompt(std::function<std::string()>);
    std::string getPassword();

private:

    std::function<std::string()> _prompt;
};
using PasswordPromptPtr = std::shared_ptr<PasswordPrompt>;
#endif

//
// 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;

//
// Read a file into memory buffer.
//
ICESSL_API void readFile(const std::string&, std::vector<char>&);

//
// Determine if a file or directory exists, with an optional default
// directory.
//
ICESSL_API bool checkPath(const std::string&, const std::string&, bool, std::string&);

ICESSL_API bool parseBytes(const std::string&, std::vector<unsigned char>&);

}

#endif