public static IntPtr GetProcAddressWrapper(SafeLibraryHandle implDll, string procName)
{
IntPtr procaddr = NativeMethods.GetProcAddress(implDll, procName);
if (IntPtr.Zero == procaddr)
{
//
// We'll get the last error's message using Win32Exception
// Adding the procName gives more context.
//
ThrowWin32ExceptionWithContext(new Win32Exception(), procName);
}
return procaddr;
}
public static IntPtr GetProcAddressWrapper(SafeLibraryHandle implDll, string procName)
{
IntPtr procaddr = NativeMethods.GetProcAddress(implDll, procName);
if (IntPtr.Zero == procaddr)
{
//
// We'll get the last error's message using Win32Exception
// Adding the procName gives more context.
//
ThrowWin32ExceptionWithContext(new Win32Exception(), procName);
}
return(procaddr);
}
//
// GetBrowserToken not required because that is accomplished via Pheonix bit etc. (not exposed thru
// managed interface).
//
//
// Summary:
// Performs initialization of the CardSpaceShim if necessary.
// The v1 service will only allow one request from the user,
// however locking anyway in case we change our behavior in v2.
//
public void InitializeIfNecessary()
{
if (!m_isInitialized)
{
lock (m_syncRoot)
{
if (!m_isInitialized)
{
string implDllPath = GetCardSpaceImplementationDll();
m_implementationDll = SafeLibraryHandle.LoadLibraryW(implDllPath);
if (m_implementationDll.IsInvalid)
{
throw NativeMethods.ThrowWin32ExceptionWithContext(new Win32Exception(), implDllPath);
}
try
{
//
// Functions are listed in alphabetical order
//
IntPtr procaddr1 = NativeMethods.GetProcAddressWrapper(m_implementationDll, "CloseCryptoHandle");
m_csShimCloseCryptoHandle =
(CsV2CloseCryptoHandle)Marshal.GetDelegateForFunctionPointer(
procaddr1, typeof(CsV2CloseCryptoHandle));
IntPtr procaddr2 = NativeMethods.GetProcAddressWrapper(
m_implementationDll, "Decrypt");
m_csShimDecrypt =
(CsV2Decrypt)Marshal.GetDelegateForFunctionPointer(
procaddr2, typeof(CsV2Decrypt));
IntPtr procaddr3 = NativeMethods.GetProcAddressWrapper(m_implementationDll, "Encrypt");
m_csShimEncrypt =
(CsV2Encrypt)Marshal.GetDelegateForFunctionPointer(
procaddr3, typeof(CsV2Encrypt));
IntPtr procaddr4 = NativeMethods.GetProcAddressWrapper(m_implementationDll, "FreeToken");
m_csShimFreeToken =
(CsV2FreeToken)Marshal.GetDelegateForFunctionPointer(
procaddr4, typeof(CsV2FreeToken));
IntPtr procaddr5 = NativeMethods.GetProcAddressWrapper(m_implementationDll, "GenerateDerivedKey");
m_csShimGenerateDerivedKey =
(CsV2GenerateDerivedKey)Marshal.GetDelegateForFunctionPointer(
procaddr5, typeof(CsV2GenerateDerivedKey));
IntPtr procaddr6 = NativeMethods.GetProcAddressWrapper(m_implementationDll, "GetCryptoTransform");
m_csShimGetCryptoTransform =
(CsV2GetCryptoTransform)Marshal.GetDelegateForFunctionPointer(
procaddr6, typeof(CsV2GetCryptoTransform));
IntPtr procaddr7 = NativeMethods.GetProcAddressWrapper(m_implementationDll, "GetKeyedHash");
m_csShimGetKeyedHash =
(CsV2GetKeyedHash)Marshal.GetDelegateForFunctionPointer(
procaddr7, typeof(CsV2GetKeyedHash));
IntPtr procaddr8 = NativeMethods.GetProcAddressWrapper(m_implementationDll, "GetToken");
m_csShimGetToken =
(CsV2GetToken)Marshal.GetDelegateForFunctionPointer(
procaddr8, typeof(CsV2GetToken));
IntPtr procaddr9 = NativeMethods.GetProcAddressWrapper(m_implementationDll, "HashCore");
m_csShimHashCore =
(CsV2HashCore)Marshal.GetDelegateForFunctionPointer(
procaddr9, typeof(CsV2HashCore));
IntPtr procaddr10 = NativeMethods.GetProcAddressWrapper(m_implementationDll, "HashFinal");
m_csShimHashFinal =
(CsV2HashFinal)Marshal.GetDelegateForFunctionPointer(
procaddr10, typeof(CsV2HashFinal));
IntPtr procaddr11 = NativeMethods.GetProcAddressWrapper(m_implementationDll, "ImportInformationCard");
m_csShimImportInformationCard =
(CsV2ImportInformationCard)Marshal.GetDelegateForFunctionPointer(
procaddr11, typeof(CsV2ImportInformationCard));
IntPtr procaddr12 = NativeMethods.GetProcAddressWrapper(m_implementationDll, "ManageCardSpace");
m_csShimManageCardSpace =
(CsV2ManageCardSpace)Marshal.GetDelegateForFunctionPointer(
procaddr12, typeof(CsV2ManageCardSpace));
IntPtr procaddr13 = NativeMethods.GetProcAddressWrapper(m_implementationDll, "SignHash");
m_csShimSignHash =
(CsV2SignHash)Marshal.GetDelegateForFunctionPointer(
procaddr13, typeof(CsV2SignHash));
IntPtr procaddr14 = NativeMethods.GetProcAddressWrapper(m_implementationDll, "TransformBlock");
m_csShimTransformBlock =
(CsV2TransformBlock)Marshal.GetDelegateForFunctionPointer(
procaddr14, typeof(CsV2TransformBlock));
IntPtr procaddr15 = NativeMethods.GetProcAddressWrapper(m_implementationDll, "TransformFinalBlock");
m_csShimTransformFinalBlock =
(CsV2TransformFinalBlock)Marshal.GetDelegateForFunctionPointer(
procaddr15, typeof(CsV2TransformFinalBlock));
IntPtr procaddr16 = NativeMethods.GetProcAddressWrapper(m_implementationDll, "VerifyHash");
m_csShimVerifyHash =
(CsV2VerifyHash)Marshal.GetDelegateForFunctionPointer(
procaddr16, typeof(CsV2VerifyHash));
}
catch (Win32Exception)
{
//
// NB: IDT.ThrowHelperError would have logged for the Win32Exception
//
IDT.Assert(!m_isInitialized, "If an exception occurred, we expect this to be false");
throw;
}
m_isInitialized = true;
}
}
}
}
private static extern IntPtr GetProcAddress(
SafeLibraryHandle hModule,
[MarshalAs(UnmanagedType.LPStr)]
string procname);
private static extern IntPtr GetProcAddress(
SafeLibraryHandle hModule,
[MarshalAs(UnmanagedType.LPStr)]
string procname);
