std::pair<std::string, std::vector<std::string> > getLocalIps()
{
std::vector<char> hostname(80);
int ret = gethostname(&hostname[0], static_cast<int>(hostname.size()));
int err = Platform::OS::BsdSockets::GetLastError();
RCF_VERIFY(
ret != -1,
RCF::Exception( _RcfError_Socket("gethostname()"), err, RcfSubsystem_Os))(ret);
hostent *phe = gethostbyname(&hostname[0]);
err = Platform::OS::BsdSockets::GetLastError();
RCF_VERIFY(
phe,
RCF::Exception( _RcfError_Socket("gethostbyname()"), err, RCF::RcfSubsystem_Os));
std::vector<std::string> ips;
for (int i = 0; phe->h_addr_list[i] != 0; ++i) {
struct in_addr addr;
memcpy(&addr, phe->h_addr_list[i], sizeof( in_addr));
ips.push_back(inet_ntoa(addr));
}
return std::make_pair( std::string(&hostname[0]), ips);
}
std::size_t Win32NamedPipeClientTransport::implWrite(
const std::vector<ByteBuffer> &byteBuffers)
{
// For now, can't go back to sync calls after doing an async call.
// Limitations with Windows IOCP.
RCF_ASSERT(!mAsyncMode);
// Not using overlapped I/O here because it interferes with the
// server session that might be coupled to this transport.
const ByteBuffer & byteBuffer = byteBuffers.front();
DWORD count = 0;
DWORD dwBytesToWrite = static_cast<DWORD>(byteBuffer.getLength());
BOOL ok = WriteFile(
mhPipe,
byteBuffer.getPtr(),
dwBytesToWrite,
&count,
NULL);
DWORD dwErr = GetLastError();
RCF_VERIFY(ok, Exception(_RcfError_ClientWriteFail(), dwErr));
// Strangely, WriteFile() sometimes returns 1, but at the same time a much too big value in count.
RCF_VERIFY(count <= dwBytesToWrite, Exception(_RcfError_ClientWriteFail(), dwErr))(count)(dwBytesToWrite);
RCF_VERIFY(count > 0, Exception(_RcfError_ClientWriteFail(), dwErr))(count)(dwBytesToWrite);
onTimedSendCompleted( RCF_MIN(count, dwBytesToWrite), 0);
return count;
}
void ClientStub::instantiateTransport()
{
CurrentClientStubSentry sentry(*this);
if (!mTransport.get())
{
RCF_VERIFY(mEndpoint.get(), Exception(_RcfError_NoEndpoint()));
mTransport.reset( mEndpoint->createClientTransport().release() );
RCF_VERIFY(mTransport.get(), Exception(_RcfError_TransportCreation()));
}
if ( mAsync
&& !mTransport->isAssociatedWithIoService())
{
RcfServer * preferred = getAsyncDispatcher();
AsioIoService * pIoService = NULL;
if (preferred)
{
ServerTransport & transport = preferred->getServerTransport();
AsioServerTransport & asioTransport = dynamic_cast<AsioServerTransport &>(transport);
pIoService = & asioTransport.getIoService();
}
else
{
pIoService = & getAmiThreadPool().getIoService();
}
mTransport->associateWithIoService(*pIoService);
}
}
void decodeInt(int &value, const RCF::ByteBuffer &byteBuffer, std::size_t &pos)
{
RCF_VERIFY(
pos+1 <= byteBuffer.getLength(),
RCF::Exception(RCF::_RcfError_Decoding()));
unsigned char ch = byteBuffer.getPtr()[pos];
pos += 1;
if (ch < 255)
{
value = ch;
}
else
{
RCF_VERIFY(
pos+4 <= byteBuffer.getLength(),
RCF::Exception(RCF::_RcfError_Decoding()));
BOOST_STATIC_ASSERT(sizeof(int) == 4);
memcpy(&value, byteBuffer.getPtr()+pos, 4);
RCF::networkToMachineOrder(&value, 4, 1);
pos += 4;
}
}
NullDacl::NullDacl()
{
ZeroMemory( &mSa, sizeof(mSa) );
mSa.nLength = sizeof( mSa );
mSa.bInheritHandle = FALSE;
BOOL ok = InitializeSecurityDescriptor( &mSd, SECURITY_DESCRIPTOR_REVISION );
DWORD dwErr = GetLastError();
RCF_VERIFY(ok, Exception(_RcfError_Win32ApiError("InitializeSecurityDescriptor()"), dwErr));
#pragma warning(push)
#pragma warning(disable: 6248) // C6248: Setting a SECURITY_DESCRIPTOR's DACL to NULL will result in an unprotected object.
ok = SetSecurityDescriptorDacl(
&mSd,
TRUE,
(PACL) NULL,
FALSE);
#pragma warning(pop)
dwErr = GetLastError();
RCF_VERIFY(ok, Exception(_RcfError_Win32ApiError("SetSecurityDescriptorDacl()"), dwErr));
mSa.lpSecurityDescriptor = &mSd;
}
RCF::ByteBuffer Win32Certificate::exportToPfx()
{
PCCERT_CONTEXT pContext = getWin32Context();
// Create in-memory store
HCERTSTORE hMemoryStore;
hMemoryStore = CertOpenStore(
CERT_STORE_PROV_MEMORY, // Memory store
0, // Encoding type, not used with a memory store
NULL, // Use the default provider
0, // No flags
NULL); // Not needed
DWORD dwErr = GetLastError();
RCF_VERIFY(
hMemoryStore,
Exception(_RcfError_ApiError("CertOpenStore()"), dwErr));
// Add the certificate.
BOOL ok = CertAddCertificateContextToStore(
hMemoryStore, // Store handle
pContext, // Pointer to a certificate
CERT_STORE_ADD_USE_EXISTING,
NULL);
dwErr = GetLastError();
RCF_VERIFY(
ok,
Exception(_RcfError_ApiError("CertAddCertificateContextToStore()"), dwErr));
// Export in-memory store.
CRYPT_DATA_BLOB pfxBlob = {};
BOOL exportOk = PFXExportCertStore(hMemoryStore, &pfxBlob, L"", 0/*EXPORT_PRIVATE_KEYS*/);
dwErr = GetLastError();
RCF_VERIFY(
exportOk,
Exception(_RcfError_ApiError("PFXExportCertStore()"), dwErr));
RCF::ByteBuffer pfxBuffer(pfxBlob.cbData);
pfxBlob.pbData = (BYTE *) pfxBuffer.getPtr();
exportOk = PFXExportCertStore(hMemoryStore, &pfxBlob, L"", 0/*EXPORT_PRIVATE_KEYS*/);
dwErr = GetLastError();
RCF_VERIFY(
exportOk,
Exception(_RcfError_ApiError("PFXExportCertStore()"), dwErr));
CertCloseStore(hMemoryStore, 0);
return pfxBuffer;
}
void ClientStub::onPollingTimeout()
{
// Check whether we need to fire a client progress timer callback.
if (mNextTimerCallbackMs && 0 == generateTimeoutMs(mNextTimerCallbackMs))
{
ClientProgress::Action action = ClientProgress::Continue;
mClientProgressPtr->mProgressCallback(
0,
0,
ClientProgress::Timer,
ClientProgress::Receive,
action);
RCF_VERIFY(
action == ClientProgress::Continue,
Exception(_RcfError_ClientCancel()))
(mTimerIntervalMs);
mNextTimerCallbackMs =
RCF::getCurrentTimeMs() + mTimerIntervalMs;
mNextTimerCallbackMs |= 1;
}
// Check that pingbacks have been received.
if (mNextPingBackCheckMs && 0 == generateTimeoutMs(mNextPingBackCheckMs))
{
boost::uint32_t timeNowMs = RCF::getCurrentTimeMs();
boost::uint32_t timeSinceLastPingBackMs =
timeNowMs - mPingBackTimeStamp;
// Checking for subsequent pingbacks.
RCF_VERIFY(
timeSinceLastPingBackMs < mPingBackCheckIntervalMs,
Exception(_RcfError_PingBackTimeout(mPingBackCheckIntervalMs)))
(mPingBackCheckIntervalMs);
// Setup polling for next pingback.
mPingBackCheckIntervalMs = 3 * mPingBackIntervalMs;
mNextPingBackCheckMs =
RCF::getCurrentTimeMs() + mPingBackCheckIntervalMs;
mNextPingBackCheckMs |= 1;
}
}
void decodeBool(bool &value, const RCF::ByteBuffer &byteBuffer, std::size_t &pos)
{
RCF_VERIFY(
pos+1 <= byteBuffer.getLength(),
RCF::Exception(RCF::_RcfError_Decoding()));
char ch = byteBuffer.getPtr()[pos];
RCF_VERIFY(
ch == 0 || ch == 1,
RCF::Exception(RCF::_RcfError_Decoding()));
pos += 1;
value = ch ? true : false;
}
void Win32NamedPipeImpersonator::impersonate()
{
HANDLE hPipe = mPipeSession.mSocketPtr->native();
BOOL ok = ImpersonateNamedPipeClient(hPipe);
DWORD dwErr = GetLastError();
RCF_VERIFY(ok, RCF::Exception(_RcfError_Pipe(), dwErr));
}
Win32NamedPipeServerTransport::SessionStatePtr
Win32NamedPipeServerTransport::createSessionState()
{
const std::size_t MaxPipeInstances = PIPE_UNLIMITED_INSTANCES;
const DWORD OutBufferSize = 4096;
const DWORD InBufferSize = 4096;
const DWORD DefaultTimeoutMs = 0;
HANDLE hPipe = CreateNamedPipe(
mPipeName.c_str(),
PIPE_ACCESS_DUPLEX | FILE_FLAG_OVERLAPPED,
PIPE_TYPE_BYTE | PIPE_READMODE_BYTE | PIPE_WAIT,
MaxPipeInstances,
OutBufferSize,
InBufferSize,
DefaultTimeoutMs,
mpSec);
DWORD dwErr = GetLastError();
RCF_VERIFY(hPipe != INVALID_HANDLE_VALUE, Exception(_RcfError_Pipe(), dwErr));
mpIocp->AssociateDevice(hPipe, 0);
SessionStatePtr sessionStatePtr(new SessionState(*this, hPipe));
sessionStatePtr->mWeakThisPtr = sessionStatePtr;
return sessionStatePtr;
}
void ClientStub::onUiMessage()
{
ClientProgress::Action action = ClientProgress::Continue;
mClientProgressPtr->mProgressCallback(
0,
0,
ClientProgress::UiMessage,
ClientProgress::Receive,
action);
RCF_VERIFY(
action != ClientProgress::Cancel,
Exception(_RcfError_ClientCancel()))
(mClientProgressPtr->mUiMessageFilter);
// a sample message filter
//MSG msg = {0};
//while (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE))
//{
// if (msg.message == WM_QUIT)
// {
//
// }
// else if (msg.message == WM_PAINT)
// {
// TranslateMessage(&msg);
// DispatchMessage(&msg);
// }
//}
}
void decodeByteBuffer(
RCF::ByteBuffer & value,
const RCF::ByteBuffer & byteBuffer,
std::size_t & pos)
{
int len_ = 0;
decodeInt(len_, byteBuffer, pos);
std::size_t len = static_cast<unsigned int>(len_);
RCF_VERIFY(
pos+len <= byteBuffer.getLength(),
RCF::Exception(RCF::_RcfError_Decoding()));
if (len == 0)
{
value = RCF::ByteBuffer(value, 0, 0);
}
else
{
if (value.getLength() < len)
{
value = RCF::ByteBuffer(len);
}
value = RCF::ByteBuffer(value, 0, len);
memcpy(value.getPtr(), byteBuffer.getPtr()+pos, len);
}
pos += len;
}
void ServerBinding::invoke(
const std::string & subInterface,
int fnId,
RcfSession & session)
{
// Check access control.
{
Lock lock(mMutex);
if (mCbAccessControl)
{
bool ok = mCbAccessControl(fnId);
if (!ok)
{
RCF_THROW( RCF::Exception(_RcfError_ServerStubAccessDenied()));
}
}
}
// No mutex here, since there is never anyone writing to mInvokeFunctorMap.
RCF_VERIFY(
mInvokeFunctorMap.find(subInterface) != mInvokeFunctorMap.end(),
Exception(_RcfError_UnknownInterface(subInterface)))
(subInterface)(fnId)(mInvokeFunctorMap.size())(mMergedStubs.size());
mInvokeFunctorMap[subInterface](fnId, session);
}
void serialize_vc6(SF::Archive & ar, boost::array<T, N> & a, const unsigned int)
{
if (ar.isRead())
{
unsigned int count = 0;
ar & count;
RCF_VERIFY(
count == a.size(),
RCF::Exception(RCF::_RcfError_RcfError_ArraySizeMismatch(a.size(), count)));
for (std::size_t i=0; i<a.size(); ++i)
{
ar & a[i];
}
}
else if (ar.isWrite())
{
unsigned int count = a.size();
ar & count;
for (std::size_t i=0; i<a.size(); ++i)
{
ar & a[i];
}
}
}
Win32NamedPipeNetworkSession::Win32NamedPipeNetworkSession(
Win32NamedPipeServerTransport & transport,
AsioIoService & ioService) :
AsioNetworkSession(transport, ioService)
{
const std::size_t MaxPipeInstances = PIPE_UNLIMITED_INSTANCES;
const DWORD OutBufferSize = 4096;
const DWORD InBufferSize = 4096;
const DWORD DefaultTimeoutMs = 0;
HANDLE hPipe = CreateNamedPipe(
transport.mPipeName.c_str(),
PIPE_ACCESS_DUPLEX | FILE_FLAG_OVERLAPPED,
PIPE_TYPE_BYTE | PIPE_READMODE_BYTE | PIPE_WAIT,
MaxPipeInstances,
OutBufferSize,
InBufferSize,
DefaultTimeoutMs,
transport.mpSec);
DWORD dwErr = GetLastError();
RCF_VERIFY(hPipe != INVALID_HANDLE_VALUE, Exception(_RcfError_Pipe(), dwErr));
mSocketPtr.reset( new AsioPipeHandle(ioService, hPipe) );
}
void initWinsock()
{
WORD wVersion = MAKEWORD( 1, 0 );
WSADATA wsaData;
int ret = WSAStartup(wVersion, &wsaData);
int err = Platform::OS::BsdSockets::GetLastError();
RCF_VERIFY(ret == 0, Exception( _RcfError_Socket("WSAStartup()"), err, RcfSubsystem_Os) );
}
void Win32NamedPipeImpersonator::impersonate()
{
Win32NamedPipeSessionState & sessionState =
dynamic_cast<Win32NamedPipeSessionState &>(
RCF::getCurrentRcfSessionPtr()->getSessionState());
BOOL ok = ImpersonateNamedPipeClient(sessionState.mhPipe);
DWORD dwErr = GetLastError();
RCF_VERIFY(ok, RCF::Exception(_RcfError_Pipe(), dwErr));
}
Token ObjectFactoryService::addObjectImpl(RcfClientPtr rcfClientPtr)
{
Token myToken;
bool ok = mTokenFactory.requestToken(myToken);
RCF_VERIFY(ok, Exception(_RcfError_TokenRequestFailed()));
WriteLock writeLock(mStubMapMutex);
RCF_UNUSED_VARIABLE(writeLock);
RCF_ASSERT(mStubMap.find(myToken) != mStubMap.end())(myToken);
StubEntryPtr stubEntryPtr(new StubEntry(rcfClientPtr));
mStubMap[myToken].second = stubEntryPtr;
return myToken;
}
TokenMappedPtr ObjectFactoryService::getTokenMappedPtr(const Token &token)
{
ReadLock readLock(mStubMapMutex);
RCF_VERIFY(
mStubMap.find(token) != mStubMap.end(),
Exception(_RcfError_DynamicObjectNotFound(token.getId())))
(token);
Lock lock(*mStubMap[token].first);
TokenMappedPtr tokenMappedPtr = mStubMap[token].second;
return tokenMappedPtr;
}
NullDacl::NullDacl()
{
ZeroMemory( &mSa, sizeof(mSa) );
mSa.nLength = sizeof( mSa );
mSa.bInheritHandle = FALSE;
BOOL ok = InitializeSecurityDescriptor( &mSd, SECURITY_DESCRIPTOR_REVISION );
DWORD dwErr = GetLastError();
RCF_VERIFY(ok, Exception(_RcfError_Win32ApiError("InitializeSecurityDescriptor()", dwErr), dwErr));
ok = SetSecurityDescriptorDacl(
&mSd,
TRUE,
(PACL) NULL,
FALSE);
dwErr = GetLastError();
RCF_VERIFY(ok, Exception(_RcfError_Win32ApiError("SetSecurityDescriptorDacl()", dwErr), dwErr));
mSa.lpSecurityDescriptor = &mSd;
}
void ZlibCompressionWriteFilter::resetCompressionState()
{
if (mCompressionStateInited)
{
mZerr = deflateEnd(&mCstream);
RCF_VERIFY(
mZerr == Z_OK || mZerr == Z_DATA_ERROR,
FilterException(
_RcfError_Zlib(), mZerr, RcfSubsystem_Zlib,
"deflateEnd() failed"))(mZerr);
mCompressionStateInited = false;
}
mCstream.zalloc = NULL;
mCstream.zfree = NULL;
mCstream.opaque = NULL;
mZerr = deflateInit(&mCstream, Z_DEFAULT_COMPRESSION);
RCF_VERIFY(
mZerr == Z_OK,
FilterException(
_RcfError_Zlib(), mZerr, RcfSubsystem_Zlib,
"deflateInit() failed"))(mZerr);
mCompressionStateInited = true;
}
void ServerStub::invoke(
const std::string & subInterface,
int fnId,
RcfSession & session)
{
// no mutex here, since there is never anyone writing to mInvokeFunctorMap
RCF_VERIFY(
mInvokeFunctorMap.find(subInterface) != mInvokeFunctorMap.end(),
Exception(_RcfError_UnknownInterface(subInterface)))
(subInterface)(fnId)(mInvokeFunctorMap.size())(mMergedStubs.size());
mInvokeFunctorMap[subInterface](fnId, session);
}
int UdpClientTransport::send(
I_ClientTransportCallback &clientStub,
const std::vector<ByteBuffer> &data,
unsigned int timeoutMs)
{
RCF_LOG_4()(mSock)(mDestIp.string()) << "UdpClientTransport - sending data on socket.";
RCF_UNUSED_VARIABLE(timeoutMs);
RCF_ASSERT(!mAsync);
// TODO: optimize for case of single byte buffer with left margin
if (mWriteVecPtr.get() == NULL || !mWriteVecPtr.unique())
{
mWriteVecPtr.reset( new ReallocBuffer());
}
mLastRequestSize = lengthByteBuffers(data);
mRunningTotalBytesSent += lengthByteBuffers(data);
ReallocBuffer &buffer = *mWriteVecPtr;
buffer.resize(lengthByteBuffers(data));
copyByteBuffers(data, &buffer[0]);
sockaddr * pDestAddr = NULL;
Platform::OS::BsdSockets::socklen_t destAddrSize = 0;
mDestIp.getSockAddr(pDestAddr, destAddrSize);
int len = sendto(
mSock,
&buffer[0],
static_cast<int>(buffer.size()),
0,
pDestAddr,
destAddrSize);
int err = Platform::OS::BsdSockets::GetLastError();
RCF_VERIFY(
len > 0,
Exception(
_RcfError_Socket("sendto()"),
err,
RcfSubsystem_Os));
clientStub.onSendCompleted();
return 1;
}
void discardPacket(int fd)
{
char buffer[1];
int len = recvfrom(fd, buffer, 1, 0, NULL, NULL);
int err = Platform::OS::BsdSockets::GetLastError();
RCF_VERIFY(
len == 1 ||
(len == -1 && err == Platform::OS::BsdSockets::ERR_EMSGSIZE) ||
(len == -1 && err == Platform::OS::BsdSockets::ERR_ECONNRESET),
Exception(
_RcfError_Socket("recvfrom()"),
err,
RcfSubsystem_Os));
}
void UdpServerTransport::close()
{
if (mFd != -1)
{
int ret = Platform::OS::BsdSockets::closesocket(mFd);
int err = Platform::OS::BsdSockets::GetLastError();
RCF_VERIFY(
ret == 0,
Exception(
_RcfError_SocketClose(), err, RcfSubsystem_Os,
"closesocket() failed"))(mFd);
mFd = -1;
}
}
void decodeString(
std::string &value,
const RCF::ByteBuffer &byteBuffer,
std::size_t &pos)
{
int len_ = 0;
decodeInt(len_, byteBuffer, pos);
std::size_t len = static_cast<unsigned int>(len_);
RCF_VERIFY(
pos+len <= byteBuffer.getLength(),
RCF::Exception(RCF::_RcfError_Decoding()));
value.assign(byteBuffer.getPtr()+pos, len);
pos += len;
}
inline void serializeString(SF::Archive & ar, std::basic_string<C,T,A> & s)
{
if (ar.isRead())
{
boost::uint32_t count = 0;
ar & count;
SF::IStream &is = *ar.getIstream();
s.resize(0);
std::size_t minSerializedLength = sizeof(C);
if (ar.verifyAgainstArchiveSize(count*minSerializedLength))
{
if (count > s.capacity())
{
s.reserve(count);
}
}
boost::uint32_t charsRemaining = count;
const boost::uint32_t BufferSize = 512;
C buffer[BufferSize];
while (charsRemaining)
{
boost::uint32_t charsToRead = RCF_MIN(BufferSize, charsRemaining);
boost::uint32_t bytesToRead = charsToRead*sizeof(C);
RCF_VERIFY(
is.read( (char *) buffer, bytesToRead) == bytesToRead,
RCF::Exception(RCF::_SfError_ReadFailure()))
(bytesToRead)(BufferSize)(count);
s.append(buffer, charsToRead);
charsRemaining -= charsToRead;
}
}
else if (ar.isWrite())
{
boost::uint32_t count = static_cast<boost::uint32_t >(s.length());
ar & count;
ar.getOstream()->writeRaw(
(char *) s.c_str(),
count*sizeof(C));
}
}
void StoreCertificate::removeFromStore()
{
if (mpCert)
{
BOOL ret = CertDeleteCertificateFromStore(mpCert);
DWORD dwErr = GetLastError();
RCF_VERIFY(
ret,
RCF::Exception(
_RcfError_CryptoApiError("CertDeleteCertificateFromStore()"),
dwErr,
RCF::RcfSubsystem_Os));
setHasBeenDeleted();
mpCert = NULL;
}
}
StoreCertificateIterator::StoreCertificateIterator(
Win32CertificateLocation certStoreLocation,
Win32CertificateStore certStore) :
mhCertStore(NULL),
mpCertIterator(NULL)
{
std::wstring strCertStore;
switch (certStore)
{
case Cs_AddressBook: strCertStore = L"AddressBook"; break;
case Cs_AuthRoot: strCertStore = L"AuthRoot"; break;
case Cs_CertificateAuthority: strCertStore = L"CA"; break;
case Cs_Disallowed: strCertStore = L"Disallowed"; break;
case Cs_My: strCertStore = L"MY"; break;
case Cs_Root: strCertStore = L"Root"; break;
case Cs_TrustedPeople: strCertStore = L"TrustedPeople"; break;
case Cs_TrustedPublisher: strCertStore = L"TrustedPublisher"; break;
default:
RCF_ASSERT(0 && "Invalid certificate store value.");
}
DWORD dwStoreLocation = 0;
switch (certStoreLocation)
{
case Cl_CurrentUser: dwStoreLocation = CERT_SYSTEM_STORE_CURRENT_USER; break;
case Cl_LocalMachine: dwStoreLocation = CERT_SYSTEM_STORE_LOCAL_MACHINE; break;
default:
RCF_ASSERT(0 && "Invalid certificate store location value.");
}
mhCertStore = CertOpenStore(
(LPCSTR) CERT_STORE_PROV_SYSTEM,
X509_ASN_ENCODING,
0,
dwStoreLocation,
strCertStore.c_str());
DWORD dwErr = GetLastError();
RCF_VERIFY(
mhCertStore,
Exception(_RcfError_ApiError("CertOpenStore()"), dwErr));
}
I_SerializerAny &Registry::getAnySerializer(const std::string &which)
{
ReadLock lock(mReadWriteMutex);
RCF_UNUSED_VARIABLE(lock);
if (mTypenameToRtti.find(which) != mTypenameToRtti.end())
{
Rtti rtti = mTypenameToRtti[which];
RCF_VERIFY(
mRttiToSerializerAny.find(rtti) != mRttiToSerializerAny.end(),
RCF::Exception(RCF::_RcfError_AnySerializerNotFound(which)));
return *mRttiToSerializerAny[rtti];
}
RCF::Exception e(RCF::_RcfError_AnySerializerNotFound(which));
RCF_THROW(e);
return * (I_SerializerAny *) NULL;
}
