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//
// Copyright (c) ZeroC, Inc. All rights reserved.
//
#include <IceUtil/Config.h>
#if defined(_WIN32) && !defined(ICE_OS_UWP)
# include <winsock2.h>
#endif
#include <IceSSL/Util.h>
#include <IceUtil/FileUtil.h>
#include <IceUtil/StringUtil.h>
#include <Ice/Base64.h>
#include <Ice/LocalException.h>
#include <Ice/Network.h>
#include <Ice/Object.h>
#include <Ice/StringConverter.h>
#include <Ice/UniqueRef.h>
#include <fstream>
#ifdef __IBMCPP__
// Work-around for xlC visibility bug
// See "ifstream::tellg visibility error" thread on IBM xlC forum
extern template class std::fpos<char*>;
#endif
using namespace std;
using namespace Ice;
using namespace IceInternal;
using namespace IceUtil;
using namespace IceSSL;
#if defined(__APPLE__)
std::string
IceSSL::fromCFString(CFStringRef v)
{
string s;
if(v)
{
CFIndex size = CFStringGetMaximumSizeForEncoding(CFStringGetLength(v), kCFStringEncodingUTF8);
vector<char> buffer;
buffer.resize(static_cast<size_t>(size + 1));
CFStringGetCString(v, &buffer[0], static_cast<CFIndex>(buffer.size()), kCFStringEncodingUTF8);
s.assign(&buffer[0]);
}
return s;
}
#endif
#ifdef ICE_CPP11_MAPPING
IceSSL::CertificateVerifier::CertificateVerifier(std::function<bool(const std::shared_ptr<ConnectionInfo>&)> v) :
_verify(std::move(v))
{
}
bool
IceSSL::CertificateVerifier::verify(const ConnectionInfoPtr& info)
{
return _verify(info);
}
IceSSL::PasswordPrompt::PasswordPrompt(std::function<std::string()> p) :
_prompt(std::move(p))
{
}
std::string
IceSSL::PasswordPrompt::getPassword()
{
return _prompt();
}
#endif
bool
IceSSL::parseBytes(const string& arg, vector<unsigned char>& buffer)
{
string v = IceUtilInternal::toUpper(arg);
//
// Check for any invalid characters.
//
size_t pos = v.find_first_not_of(" :0123456789ABCDEF");
if(pos != string::npos)
{
return false;
}
//
// Remove any separator characters.
//
ostringstream s;
for(string::const_iterator i = v.begin(); i != v.end(); ++i)
{
if(*i == ' ' || *i == ':')
{
continue;
}
s << *i;
}
v = s.str();
//
// Convert the bytes.
//
for(size_t i = 0, length = v.size(); i + 2 <= length;)
{
buffer.push_back(static_cast<unsigned char>(strtol(v.substr(i, 2).c_str(), 0, 16)));
i += 2;
}
return true;
}
void
IceSSL::readFile(const string& file, vector<char>& buffer)
{
ifstream is(IceUtilInternal::streamFilename(file).c_str(), ios::in | ios::binary);
if(!is.good())
{
throw CertificateReadException(__FILE__, __LINE__, "error opening file " + file);
}
is.seekg(0, is.end);
buffer.resize(static_cast<size_t>(is.tellg()));
is.seekg(0, is.beg);
if(!buffer.empty())
{
is.read(&buffer[0], static_cast<streamsize>(buffer.size()));
if(!is.good())
{
throw CertificateReadException(__FILE__, __LINE__, "error reading file " + file);
}
}
}
bool
IceSSL::checkPath(const string& path, const string& defaultDir, bool dir, string& resolved)
{
#if defined(ICE_USE_SECURE_TRANSPORT_IOS) || defined(ICE_SWIFT)
CFBundleRef bundle = CFBundleGetMainBundle();
if(bundle)
{
UniqueRef<CFStringRef> resourceName(toCFString(path));
UniqueRef<CFStringRef> subDirName(toCFString(defaultDir));
UniqueRef<CFURLRef> url(CFBundleCopyResourceURL(bundle, resourceName.get(), 0, subDirName.get()));
UInt8 filePath[PATH_MAX];
if(CFURLGetFileSystemRepresentation(url.get(), true, filePath, sizeof(filePath)))
{
string tmp = string(reinterpret_cast<char*>(filePath));
if((dir && IceUtilInternal::directoryExists(tmp)) || (!dir && IceUtilInternal::fileExists(tmp)))
{
resolved = tmp;
return true;
}
}
}
#endif
if(IceUtilInternal::isAbsolutePath(path))
{
if((dir && IceUtilInternal::directoryExists(path)) || (!dir && IceUtilInternal::fileExists(path)))
{
resolved = path;
return true;
}
return false;
}
//
// If a default directory is provided, the given path is relative to the default directory.
//
string tmp;
if(!defaultDir.empty())
{
tmp = defaultDir + IceUtilInternal::separator + path;
}
else
{
tmp = path;
}
if((dir && IceUtilInternal::directoryExists(tmp)) || (!dir && IceUtilInternal::fileExists(tmp)))
{
resolved = tmp;
return true;
}
return false;
}
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