public int QueryContextStreamSizes(SafeDeleteContext securityContext, out StreamSizes streamSizes)
{
int errorCode;
streamSizes = QueryContextAttributes(securityContext, Interop.Secur32.ContextAttribute.StreamSizes, out errorCode) as StreamSizes;
return(errorCode);
}
public int QueryContextStreamSizes(SafeDeleteContext securityContext, out StreamSizes streamSizes)
{
streamSizes = null;
try
{
streamSizes = new StreamSizes(Interop.libssl.SslSizes.HEADER_SIZE, Interop.libssl.SslSizes.TRAILER_SIZE, Interop.libssl.SslSizes.SSL3_RT_MAX_PLAIN_LENGTH);
return 0;
}
catch
{
return -1;
}
}
public int QueryContextStreamSizes(SafeDeleteContext securityContext, out StreamSizes streamSizes)
{
streamSizes = null;
try
{
streamSizes = new StreamSizes(Interop.libssl.SslSizes.HEADER_SIZE, Interop.libssl.SslSizes.TRAILER_SIZE, Interop.libssl.SslSizes.SSL3_RT_MAX_PLAIN_LENGTH);
return(0);
}
catch
{
return(-1);
}
}
public static void QueryContextStreamSizes(SafeDeleteContext securityContext, out StreamSizes streamSizes)
{
streamSizes = SSPIWrapper.QueryContextAttributes(
GlobalSSPI.SSPISecureChannel,
securityContext,
Interop.SspiCli.ContextAttribute.StreamSizes) as StreamSizes;
}
public static void QueryContextStreamSizes(SafeDeleteContext securityContext, out StreamSizes streamSizes)
{
streamSizes = new StreamSizes();
}
public static object QueryContextAttributes(SSPIInterface secModule, SafeDeleteContext securityContext, Interop.Secur32.ContextAttribute contextAttribute, out int errorCode)
{
GlobalLog.Enter("QueryContextAttributes", contextAttribute.ToString());
int nativeBlockSize = IntPtr.Size;
Type handleType = null;
switch (contextAttribute)
{
case Interop.Secur32.ContextAttribute.Sizes:
nativeBlockSize = SecSizes.SizeOf;
break;
case Interop.Secur32.ContextAttribute.StreamSizes:
nativeBlockSize = StreamSizes.SizeOf;
break;
case Interop.Secur32.ContextAttribute.Names:
handleType = typeof(SafeFreeContextBuffer);
break;
case Interop.Secur32.ContextAttribute.PackageInfo:
handleType = typeof(SafeFreeContextBuffer);
break;
case Interop.Secur32.ContextAttribute.NegotiationInfo:
handleType = typeof(SafeFreeContextBuffer);
nativeBlockSize = Marshal.SizeOf<NegotiationInfo>();
break;
case Interop.Secur32.ContextAttribute.ClientSpecifiedSpn:
handleType = typeof(SafeFreeContextBuffer);
break;
case Interop.Secur32.ContextAttribute.RemoteCertificate:
handleType = typeof(SafeFreeCertContext);
break;
case Interop.Secur32.ContextAttribute.LocalCertificate:
handleType = typeof(SafeFreeCertContext);
break;
case Interop.Secur32.ContextAttribute.IssuerListInfoEx:
nativeBlockSize = Marshal.SizeOf<Interop.Secur32.IssuerListInfoEx>();
handleType = typeof(SafeFreeContextBuffer);
break;
case Interop.Secur32.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
{
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 Interop.Secur32.ContextAttribute.Sizes:
attribute = new SecSizes(nativeBuffer);
break;
case Interop.Secur32.ContextAttribute.StreamSizes:
attribute = new StreamSizes(nativeBuffer);
break;
case Interop.Secur32.ContextAttribute.Names:
attribute = Marshal.PtrToStringUni(sspiHandle.DangerousGetHandle());
break;
case Interop.Secur32.ContextAttribute.PackageInfo:
attribute = new SecurityPackageInfoClass(sspiHandle, 0);
break;
case Interop.Secur32.ContextAttribute.NegotiationInfo:
unsafe
{
fixed (void* ptr = nativeBuffer)
{
attribute = new NegotiationInfoClass(sspiHandle, Marshal.ReadInt32(new IntPtr(ptr), NegotiationInfo.NegotiationStateOffest));
}
}
break;
case Interop.Secur32.ContextAttribute.ClientSpecifiedSpn:
attribute = Marshal.PtrToStringUni(sspiHandle.DangerousGetHandle());
break;
case Interop.Secur32.ContextAttribute.LocalCertificate:
// Fall-through to RemoteCertificate is intentional.
case Interop.Secur32.ContextAttribute.RemoteCertificate:
attribute = sspiHandle;
sspiHandle = null;
break;
case Interop.Secur32.ContextAttribute.IssuerListInfoEx:
attribute = new Interop.Secur32.IssuerListInfoEx(sspiHandle, nativeBuffer);
sspiHandle = null;
break;
case Interop.Secur32.ContextAttribute.ConnectionInfo:
attribute = new SslConnectionInfo(nativeBuffer);
break;
default:
// Will return null.
break;
}
}
finally
{
if (sspiHandle != null)
{
sspiHandle.Dispose();
}
}
GlobalLog.Leave("QueryContextAttributes", LoggingHash.ObjectToString(attribute));
return attribute;
}
public static void QueryContextStreamSizes(SafeDeleteContext securityContext, out StreamSizes streamSizes)
{
streamSizes = new StreamSizes();
}
public static void QueryContextStreamSizes(SafeDeleteContext securityContext, out StreamSizes streamSizes)
{
streamSizes = SSPIWrapper.QueryContextAttributes(
GlobalSSPI.SSPISecureChannel,
securityContext,
Interop.SspiCli.ContextAttribute.StreamSizes) as StreamSizes;
}
private object QueryContextAttributes(SafeDeleteContext securityContext, Interop.Secur32.ContextAttribute contextAttribute, out int errorCode)
{
GlobalLog.Enter("QueryContextAttributes", contextAttribute.ToString());
int nativeBlockSize = IntPtr.Size;
Type handleType = null;
switch (contextAttribute)
{
case Interop.Secur32.ContextAttribute.Sizes:
nativeBlockSize = SecSizes.SizeOf;
break;
case Interop.Secur32.ContextAttribute.StreamSizes:
nativeBlockSize = StreamSizes.SizeOf;
break;
case Interop.Secur32.ContextAttribute.Names:
handleType = typeof(SafeFreeContextBuffer);
break;
case Interop.Secur32.ContextAttribute.PackageInfo:
handleType = typeof(SafeFreeContextBuffer);
break;
case Interop.Secur32.ContextAttribute.NegotiationInfo:
handleType = typeof(SafeFreeContextBuffer);
nativeBlockSize = Marshal.SizeOf <NegotiationInfo>();
break;
case Interop.Secur32.ContextAttribute.ClientSpecifiedSpn:
handleType = typeof(SafeFreeContextBuffer);
break;
case Interop.Secur32.ContextAttribute.RemoteCertificate:
handleType = typeof(SafeFreeCertContext);
break;
case Interop.Secur32.ContextAttribute.LocalCertificate:
handleType = typeof(SafeFreeCertContext);
break;
case Interop.Secur32.ContextAttribute.IssuerListInfoEx:
nativeBlockSize = Marshal.SizeOf <Interop.Secur32.IssuerListInfoEx>();
handleType = typeof(SafeFreeContextBuffer);
break;
case Interop.Secur32.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
{
byte[] nativeBuffer = new byte[nativeBlockSize];
errorCode = QueryContextAttributes(securityContext, contextAttribute, nativeBuffer, handleType, out SspiHandle);
if (errorCode != 0)
{
GlobalLog.Leave("Win32:QueryContextAttributes", "ERROR = " + ErrorDescription(errorCode));
return(null);
}
switch (contextAttribute)
{
case Interop.Secur32.ContextAttribute.Sizes:
attribute = new SecSizes(nativeBuffer);
break;
case Interop.Secur32.ContextAttribute.StreamSizes:
attribute = new StreamSizes(nativeBuffer);
break;
case Interop.Secur32.ContextAttribute.Names:
attribute = Marshal.PtrToStringUni(SspiHandle.DangerousGetHandle());
break;
case Interop.Secur32.ContextAttribute.PackageInfo:
attribute = new SecurityPackageInfoClass(SspiHandle, 0);
break;
case Interop.Secur32.ContextAttribute.NegotiationInfo:
unsafe
{
fixed(void *ptr = nativeBuffer)
{
attribute = new NegotiationInfoClass(SspiHandle, Marshal.ReadInt32(new IntPtr(ptr), NegotiationInfo.NegotiationStateOffest));
}
}
break;
case Interop.Secur32.ContextAttribute.ClientSpecifiedSpn:
attribute = Marshal.PtrToStringUni(SspiHandle.DangerousGetHandle());
break;
case Interop.Secur32.ContextAttribute.LocalCertificate:
goto case Interop.Secur32.ContextAttribute.RemoteCertificate;
case Interop.Secur32.ContextAttribute.RemoteCertificate:
attribute = SspiHandle;
SspiHandle = null;
break;
case Interop.Secur32.ContextAttribute.IssuerListInfoEx:
attribute = new Interop.Secur32.IssuerListInfoEx(SspiHandle, nativeBuffer);
SspiHandle = null;
break;
case Interop.Secur32.ContextAttribute.ConnectionInfo:
attribute = new SslConnectionInfo(nativeBuffer);
break;
default:
// Will return null.
break;
}
}
finally
{
if (SspiHandle != null)
{
SspiHandle.Dispose();
}
}
GlobalLog.Leave("QueryContextAttributes", Logging.ObjectToString(attribute));
return(attribute);
}
public static void QueryContextStreamSizes(SafeDeleteContext securityContext, out StreamSizes streamSizes)
{
streamSizes = null;
streamSizes = new StreamSizes(Interop.libssl.SslSizes.HEADER_SIZE, Interop.libssl.SslSizes.TRAILER_SIZE, Interop.libssl.SslSizes.SSL3_RT_MAX_PLAIN_LENGTH);
}
public int QueryContextStreamSizes(SafeDeleteContext securityContext, out StreamSizes streamSizes)
{
int errorCode;
streamSizes = QueryContextAttributes(securityContext, Interop.Secur32.ContextAttribute.StreamSizes, out errorCode) as StreamSizes;
return errorCode;
}
internal static int QueryContextStreamSizes(SSPIInterface SecModule, SafeDeleteContext securityContext, out StreamSizes streamSizes)
{
return(SecModule.QueryContextStreamSizes(securityContext, out streamSizes));
}
internal static int QueryContextStreamSizes(SSPIInterface SecModule, SafeDeleteContext securityContext, out StreamSizes streamSizes)
{
return SecModule.QueryContextStreamSizes(securityContext, out streamSizes);
}
public static object QueryContextAttributes(SSPIInterface secModule, SafeDeleteContext securityContext, Interop.SspiCli.ContextAttribute contextAttribute, out int errorCode)
{
if (GlobalLog.IsEnabled)
{
GlobalLog.Enter(nameof(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, nameof(contextAttribute)), nameof(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(nameof(QueryContextAttributes), LoggingHash.ObjectToString(attribute));
}
return(attribute);
}
public static void QueryContextStreamSizes(SafeDeleteContext securityContext, out StreamSizes streamSizes)
{
streamSizes = null;
streamSizes = new StreamSizes(Interop.libssl.SslSizes.HEADER_SIZE, Interop.libssl.SslSizes.TRAILER_SIZE, Interop.libssl.SslSizes.SSL3_RT_MAX_PLAIN_LENGTH);
}
public static object QueryContextAttributes(
SSPIInterface SecModule,
SecurityContext securityContext,
ContextAttribute contextAttribute)
{
GlobalLog.Enter("QueryContextAttributes#2");
int nativeBlockSize;
switch (contextAttribute)
{
case ContextAttribute.StreamSizes:
nativeBlockSize = 20;
break;
case ContextAttribute.Names:
nativeBlockSize = IntPtr.Size;
break;
case ContextAttribute.PackageInfo:
nativeBlockSize = IntPtr.Size;
break;
case ContextAttribute.RemoteCertificate:
nativeBlockSize = IntPtr.Size;
break;
case ContextAttribute.LocalCertificate:
nativeBlockSize = IntPtr.Size;
break;
case ContextAttribute.IssuerListInfoEx:
nativeBlockSize = Marshal.SizeOf(typeof(IssuerListInfoEx));
break;
default:
nativeBlockSize = IntPtr.Size;
GlobalLog.Assert(false,
"contextAttribute unexpected value", "");
break;
}
IntPtr nativeBlock = Marshal.AllocHGlobal((IntPtr)nativeBlockSize);
int errorCode =
SecModule.QueryContextAttributes(
ref securityContext.Handle,
(int)contextAttribute,
nativeBlock);
object attribute = null;
if (errorCode == 0)
{
switch (contextAttribute)
{
case ContextAttribute.StreamSizes:
attribute = new StreamSizes(nativeBlock);
break;
case ContextAttribute.Names:
IntPtr unmanagedString = Marshal.ReadIntPtr(nativeBlock);
if (ComNetOS.IsWin9x)
{
attribute = Marshal.PtrToStringAnsi(unmanagedString);
}
else
{
attribute = Marshal.PtrToStringUni(unmanagedString);
}
//SecModule.FreeContextBuffer(unmanagedString);
break;
case ContextAttribute.PackageInfo:
IntPtr unmanagedBlock = Marshal.ReadIntPtr(nativeBlock);
attribute = new SecurityPackageInfoClass(SecModule, unmanagedBlock);
//SecModule.FreeContextBuffer(unmanagedBlock);
break;
case ContextAttribute.LocalCertificate:
goto case ContextAttribute.RemoteCertificate;
case ContextAttribute.RemoteCertificate:
IntPtr contextHandle = Marshal.ReadIntPtr(nativeBlock);
if (contextHandle == ((IntPtr)0))
{
Debug.Assert(false,
"contextHandle == 0",
"QueryContextAttributes: marshalled certificate context is null on success"
);
}
else
{
attribute = new CertificateContextHandle(contextHandle);
}
break;
case ContextAttribute.IssuerListInfoEx:
IssuerListInfoEx issuerList = new IssuerListInfoEx();
issuerList.issuerArray = Marshal.ReadIntPtr(nativeBlock, 0);
issuerList.issuerCount = Marshal.ReadInt32(nativeBlock, 4);
attribute = issuerList;
break;
default:
// will return null
break;
}
}
else
{
//Win32Exception win32Exception = new Win32Exception(errorCode);
//Console.WriteLine(win32Exception.Message);
}
Marshal.FreeHGlobal(nativeBlock);
GlobalLog.Leave("QueryContextAttributes#2");
return(attribute);
}
