public static object QueryContextAttributes(SSPIInterface secModule, SafeDeleteContext securityContext, Interop.SspiCli.ContextAttribute contextAttribute, out int errorCode)
{
if (GlobalLog.IsEnabled)
{
GlobalLog.Enter("QueryContextAttributes", contextAttribute.ToString());
}
int nativeBlockSize = IntPtr.Size;
Type handleType = null;
switch (contextAttribute)
{
case Interop.SspiCli.ContextAttribute.Sizes:
nativeBlockSize = SecSizes.SizeOf;
break;
case Interop.SspiCli.ContextAttribute.StreamSizes:
nativeBlockSize = StreamSizes.SizeOf;
break;
case Interop.SspiCli.ContextAttribute.Names:
handleType = typeof(SafeFreeContextBuffer);
break;
case Interop.SspiCli.ContextAttribute.PackageInfo:
handleType = typeof(SafeFreeContextBuffer);
break;
case Interop.SspiCli.ContextAttribute.NegotiationInfo:
handleType = typeof(SafeFreeContextBuffer);
nativeBlockSize = Marshal.SizeOf <NegotiationInfo>();
break;
case Interop.SspiCli.ContextAttribute.ClientSpecifiedSpn:
handleType = typeof(SafeFreeContextBuffer);
break;
case Interop.SspiCli.ContextAttribute.RemoteCertificate:
handleType = typeof(SafeFreeCertContext);
break;
case Interop.SspiCli.ContextAttribute.LocalCertificate:
handleType = typeof(SafeFreeCertContext);
break;
case Interop.SspiCli.ContextAttribute.IssuerListInfoEx:
nativeBlockSize = Marshal.SizeOf <Interop.SspiCli.IssuerListInfoEx>();
handleType = typeof(SafeFreeContextBuffer);
break;
case Interop.SspiCli.ContextAttribute.ConnectionInfo:
nativeBlockSize = Marshal.SizeOf <SslConnectionInfo>();
break;
default:
throw new ArgumentException(SR.Format(SR.net_invalid_enum, "ContextAttribute"), "contextAttribute");
}
SafeHandle sspiHandle = null;
object attribute = null;
try
{
var nativeBuffer = new byte[nativeBlockSize];
errorCode = secModule.QueryContextAttributes(securityContext, contextAttribute, nativeBuffer, handleType, out sspiHandle);
if (errorCode != 0)
{
if (GlobalLog.IsEnabled)
{
GlobalLog.Leave("Win32:QueryContextAttributes", "ERROR = " + ErrorDescription(errorCode));
}
return(null);
}
switch (contextAttribute)
{
case Interop.SspiCli.ContextAttribute.Sizes:
attribute = new SecSizes(nativeBuffer);
break;
case Interop.SspiCli.ContextAttribute.StreamSizes:
attribute = new StreamSizes(nativeBuffer);
break;
case Interop.SspiCli.ContextAttribute.Names:
attribute = Marshal.PtrToStringUni(sspiHandle.DangerousGetHandle());
break;
case Interop.SspiCli.ContextAttribute.PackageInfo:
attribute = new SecurityPackageInfoClass(sspiHandle, 0);
break;
case Interop.SspiCli.ContextAttribute.NegotiationInfo:
unsafe
{
fixed(void *ptr = nativeBuffer)
{
attribute = new NegotiationInfoClass(sspiHandle, Marshal.ReadInt32(new IntPtr(ptr), NegotiationInfo.NegotiationStateOffest));
}
}
break;
case Interop.SspiCli.ContextAttribute.ClientSpecifiedSpn:
attribute = Marshal.PtrToStringUni(sspiHandle.DangerousGetHandle());
break;
case Interop.SspiCli.ContextAttribute.LocalCertificate:
// Fall-through to RemoteCertificate is intentional.
case Interop.SspiCli.ContextAttribute.RemoteCertificate:
attribute = sspiHandle;
sspiHandle = null;
break;
case Interop.SspiCli.ContextAttribute.IssuerListInfoEx:
attribute = new Interop.SspiCli.IssuerListInfoEx(sspiHandle, nativeBuffer);
sspiHandle = null;
break;
case Interop.SspiCli.ContextAttribute.ConnectionInfo:
attribute = new SslConnectionInfo(nativeBuffer);
break;
default:
// Will return null.
break;
}
}
finally
{
if (sspiHandle != null)
{
sspiHandle.Dispose();
}
}
if (GlobalLog.IsEnabled)
{
GlobalLog.Leave("QueryContextAttributes", LoggingHash.ObjectToString(attribute));
}
return(attribute);
}
public static void QueryContextConnectionInfo(SafeDeleteContext securityContext, out SslConnectionInfo connectionInfo)
{
connectionInfo = new SslConnectionInfo(securityContext.SslContext);
}
public static void QueryContextConnectionInfo(SafeDeleteContext securityContext, out SslConnectionInfo connectionInfo)
{
connectionInfo = SSPIWrapper.QueryContextAttributes(
GlobalSSPI.SSPISecureChannel,
securityContext,
Interop.SspiCli.ContextAttribute.ConnectionInfo) as SslConnectionInfo;
}
public static int QueryContextConnectionInfo(SafeDeleteContext securityContext, out SslConnectionInfo connectionInfo)
{
string protocolVersion;
connectionInfo = null;
try
{
Interop.libssl.SSL_CIPHER cipher = Interop.OpenSsl.GetConnectionInfo(securityContext.SslContext, out protocolVersion);
connectionInfo = new SslConnectionInfo(cipher, protocolVersion);
return(0);
}
catch
{
return(-1);
}
}
public static object QueryContextAttributes(SSPIInterface SecModule, SafeDeleteContext securityContext, ContextAttribute contextAttribute, out int errorCode)
{
GlobalLog.Enter("QueryContextAttributes", contextAttribute.ToString());
int nativeBlockSize = IntPtr.Size;
Type handleType = null;
switch (contextAttribute)
{
case ContextAttribute.Sizes:
nativeBlockSize = SecSizes.SizeOf;
break;
case ContextAttribute.StreamSizes:
nativeBlockSize = StreamSizes.SizeOf;
break;
case ContextAttribute.Names:
handleType = typeof(SafeFreeContextBuffer);
break;
case ContextAttribute.PackageInfo:
handleType = typeof(SafeFreeContextBuffer);
break;
case ContextAttribute.NegotiationInfo:
handleType = typeof(SafeFreeContextBuffer);
nativeBlockSize = Marshal.SizeOf(typeof(NegotiationInfo));
break;
case ContextAttribute.ClientSpecifiedSpn:
handleType = typeof(SafeFreeContextBuffer);
break;
case ContextAttribute.RemoteCertificate:
handleType = typeof(SafeFreeCertContext);
break;
case ContextAttribute.LocalCertificate:
handleType = typeof(SafeFreeCertContext);
break;
case ContextAttribute.IssuerListInfoEx:
nativeBlockSize = Marshal.SizeOf(typeof(IssuerListInfoEx));
handleType = typeof(SafeFreeContextBuffer);
break;
case ContextAttribute.ConnectionInfo:
nativeBlockSize = Marshal.SizeOf(typeof(SslConnectionInfo));
break;
default:
throw new ArgumentException(SR.GetString(SR.net_invalid_enum, "ContextAttribute"), "contextAttribute");
}
SafeHandle SspiHandle = null;
object attribute = null;
try {
byte[] nativeBuffer = new byte[nativeBlockSize];
errorCode = SecModule.QueryContextAttributes(securityContext, contextAttribute, nativeBuffer, handleType, out SspiHandle);
if (errorCode != 0)
{
GlobalLog.Leave("Win32:QueryContextAttributes", "ERROR = " + ErrorDescription(errorCode));
return(null);
}
switch (contextAttribute)
{
case ContextAttribute.Sizes:
attribute = new SecSizes(nativeBuffer);
break;
case ContextAttribute.StreamSizes:
attribute = new StreamSizes(nativeBuffer);
break;
case ContextAttribute.Names:
attribute = Marshal.PtrToStringUni(SspiHandle.DangerousGetHandle());
break;
case ContextAttribute.PackageInfo:
attribute = new SecurityPackageInfoClass(SspiHandle, 0);
break;
case ContextAttribute.NegotiationInfo:
unsafe
{
fixed(void *ptr = nativeBuffer)
{
attribute = new NegotiationInfoClass(SspiHandle, Marshal.ReadInt32(new IntPtr(ptr), NegotiationInfo.NegotiationStateOffest));
}
}
break;
case ContextAttribute.ClientSpecifiedSpn:
attribute = Marshal.PtrToStringUni(SspiHandle.DangerousGetHandle());
break;
case ContextAttribute.LocalCertificate:
goto case ContextAttribute.RemoteCertificate;
case ContextAttribute.RemoteCertificate:
attribute = SspiHandle;
SspiHandle = null;
break;
case ContextAttribute.IssuerListInfoEx:
attribute = new IssuerListInfoEx(SspiHandle, nativeBuffer);
SspiHandle = null;
break;
case ContextAttribute.ConnectionInfo:
attribute = new SslConnectionInfo(nativeBuffer);
break;
default:
// will return null
break;
}
}
finally {
if (SspiHandle != null)
{
SspiHandle.Close();
}
}
GlobalLog.Leave("QueryContextAttributes", ValidationHelper.ToString(attribute));
return(attribute);
}
internal static int QueryContextConnectionInfo(SSPIInterface SecModule, SafeDeleteContext securityContext, out SslConnectionInfo connectionInfo)
{
return(SecModule.QueryContextConnectionInfo(securityContext, out connectionInfo));
}
