public static byte[] QueryContextAttributes(
SSPIInterface SecModule,
SecurityContext securityContext,
ContextAttribute contextAttribute,
int bytesRequired)
{
GlobalLog.Enter("QueryContextAttributes#1");
byte[] attributeBuffer = new byte[bytesRequired];
GCHandle pinnedBuffer = GCHandle.Alloc(attributeBuffer, GCHandleType.Pinned);
IntPtr addrOfPinnedBuffer = pinnedBuffer.AddrOfPinnedObject();
int errorCode =
SecModule.QueryContextAttributes(
ref securityContext.Handle,
(int)contextAttribute,
addrOfPinnedBuffer);
pinnedBuffer.Free();
GlobalLog.Leave("QueryContextAttributes#1");
return(attributeBuffer);
}
public static object QueryContextAttributes(SSPIInterface secModule, SafeDeleteContext securityContext, Interop.SspiCli.ContextAttribute contextAttribute, out int errorCode)
{
if (NetEventSource.IsEnabled)
{
NetEventSource.Enter(null, contextAttribute);
}
int nativeBlockSize = IntPtr.Size;
Type handleType = null;
switch (contextAttribute)
{
case Interop.SspiCli.ContextAttribute.SECPKG_ATTR_SIZES:
nativeBlockSize = SecPkgContext_Sizes.SizeOf;
break;
case Interop.SspiCli.ContextAttribute.SECPKG_ATTR_STREAM_SIZES:
nativeBlockSize = SecPkgContext_StreamSizes.SizeOf;
break;
case Interop.SspiCli.ContextAttribute.SECPKG_ATTR_NAMES:
handleType = typeof(SafeFreeContextBuffer);
break;
case Interop.SspiCli.ContextAttribute.SECPKG_ATTR_PACKAGE_INFO:
handleType = typeof(SafeFreeContextBuffer);
break;
case Interop.SspiCli.ContextAttribute.SECPKG_ATTR_NEGOTIATION_INFO:
handleType = typeof(SafeFreeContextBuffer);
unsafe
{
nativeBlockSize = sizeof(SecPkgContext_NegotiationInfoW);
}
break;
case Interop.SspiCli.ContextAttribute.SECPKG_ATTR_CLIENT_SPECIFIED_TARGET:
handleType = typeof(SafeFreeContextBuffer);
break;
case Interop.SspiCli.ContextAttribute.SECPKG_ATTR_REMOTE_CERT_CONTEXT:
handleType = typeof(SafeFreeCertContext);
break;
case Interop.SspiCli.ContextAttribute.SECPKG_ATTR_LOCAL_CERT_CONTEXT:
handleType = typeof(SafeFreeCertContext);
break;
case Interop.SspiCli.ContextAttribute.SECPKG_ATTR_ISSUER_LIST_EX:
nativeBlockSize = Marshal.SizeOf <Interop.SspiCli.SecPkgContext_IssuerListInfoEx>();
handleType = typeof(SafeFreeContextBuffer);
break;
case Interop.SspiCli.ContextAttribute.SECPKG_ATTR_CONNECTION_INFO:
nativeBlockSize = Marshal.SizeOf <SecPkgContext_ConnectionInfo>();
break;
case Interop.SspiCli.ContextAttribute.SECPKG_ATTR_APPLICATION_PROTOCOL:
nativeBlockSize = Marshal.SizeOf <Interop.SecPkgContext_ApplicationProtocol>();
break;
default:
throw new ArgumentException(System.StringsHelper.Format(Strings.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 (NetEventSource.IsEnabled)
{
NetEventSource.Exit(null, $"ERROR = {ErrorDescription(errorCode)}");
}
return(null);
}
switch (contextAttribute)
{
case Interop.SspiCli.ContextAttribute.SECPKG_ATTR_SIZES:
attribute = new SecPkgContext_Sizes(nativeBuffer);
break;
case Interop.SspiCli.ContextAttribute.SECPKG_ATTR_STREAM_SIZES:
attribute = new SecPkgContext_StreamSizes(nativeBuffer);
break;
case Interop.SspiCli.ContextAttribute.SECPKG_ATTR_NAMES:
attribute = Marshal.PtrToStringUni(sspiHandle.DangerousGetHandle());
break;
case Interop.SspiCli.ContextAttribute.SECPKG_ATTR_PACKAGE_INFO:
attribute = new SecurityPackageInfoClass(sspiHandle, 0);
break;
case Interop.SspiCli.ContextAttribute.SECPKG_ATTR_NEGOTIATION_INFO:
unsafe
{
fixed(void *ptr = &nativeBuffer[0])
{
attribute = new NegotiationInfoClass(sspiHandle, (int)((SecPkgContext_NegotiationInfoW *)ptr)->NegotiationState);
}
}
break;
case Interop.SspiCli.ContextAttribute.SECPKG_ATTR_CLIENT_SPECIFIED_TARGET:
attribute = Marshal.PtrToStringUni(sspiHandle.DangerousGetHandle());
break;
case Interop.SspiCli.ContextAttribute.SECPKG_ATTR_LOCAL_CERT_CONTEXT:
// Fall-through to RemoteCertificate is intentional.
case Interop.SspiCli.ContextAttribute.SECPKG_ATTR_REMOTE_CERT_CONTEXT:
attribute = sspiHandle;
sspiHandle = null;
break;
case Interop.SspiCli.ContextAttribute.SECPKG_ATTR_ISSUER_LIST_EX:
attribute = new Interop.SspiCli.SecPkgContext_IssuerListInfoEx(sspiHandle, nativeBuffer);
sspiHandle = null;
break;
case Interop.SspiCli.ContextAttribute.SECPKG_ATTR_CONNECTION_INFO:
attribute = new SecPkgContext_ConnectionInfo(nativeBuffer);
break;
case Interop.SspiCli.ContextAttribute.SECPKG_ATTR_APPLICATION_PROTOCOL:
unsafe
{
fixed(void *ptr = nativeBuffer)
{
attribute = Marshal.PtrToStructure <Interop.SecPkgContext_ApplicationProtocol>(new IntPtr(ptr));
}
}
break;
default:
// Will return null.
break;
}
}
finally
{
if (sspiHandle != null)
{
sspiHandle.Dispose();
}
}
if (NetEventSource.IsEnabled)
{
NetEventSource.Exit(null, attribute);
}
return(attribute);
}
public static unsafe object QueryContextAttributes(SSPIInterface SecModule, SafeDeleteContext securityContext, ContextAttribute contextAttribute, out int errorCode)
{
int size = IntPtr.Size;
Type handleType = null;
switch (contextAttribute)
{
case ContextAttribute.Sizes:
size = SecSizes.SizeOf;
break;
case ContextAttribute.Names:
handleType = typeof(SafeFreeContextBuffer);
break;
case ContextAttribute.StreamSizes:
size = StreamSizes.SizeOf;
break;
case ContextAttribute.PackageInfo:
handleType = typeof(SafeFreeContextBuffer);
break;
case ContextAttribute.NegotiationInfo:
handleType = typeof(SafeFreeContextBuffer);
size = Marshal.SizeOf(typeof(NegotiationInfo));
break;
case ContextAttribute.RemoteCertificate:
handleType = typeof(SafeFreeCertContext);
break;
case ContextAttribute.LocalCertificate:
handleType = typeof(SafeFreeCertContext);
break;
case ContextAttribute.ClientSpecifiedSpn:
handleType = typeof(SafeFreeContextBuffer);
break;
case ContextAttribute.IssuerListInfoEx:
size = Marshal.SizeOf(typeof(IssuerListInfoEx));
handleType = typeof(SafeFreeContextBuffer);
break;
case ContextAttribute.ConnectionInfo:
size = Marshal.SizeOf(typeof(SslConnectionInfo));
break;
default:
throw new ArgumentException(SR.GetString("net_invalid_enum", new object[] { "ContextAttribute" }), "contextAttribute");
}
SafeHandle refHandle = null;
object obj2 = null;
try
{
byte[] buffer = new byte[size];
errorCode = SecModule.QueryContextAttributes(securityContext, contextAttribute, buffer, handleType, out refHandle);
if (errorCode != 0)
{
return(null);
}
ContextAttribute attribute2 = contextAttribute;
if (attribute2 <= ContextAttribute.NegotiationInfo)
{
switch (attribute2)
{
case ContextAttribute.Sizes:
return(new SecSizes(buffer));
case ContextAttribute.Names:
if (!ComNetOS.IsWin9x)
{
return(Marshal.PtrToStringUni(refHandle.DangerousGetHandle()));
}
return(Marshal.PtrToStringAnsi(refHandle.DangerousGetHandle()));
case ContextAttribute.Lifespan:
case ContextAttribute.DceInfo:
return(obj2);
case ContextAttribute.StreamSizes:
return(new StreamSizes(buffer));
case ContextAttribute.PackageInfo:
return(new SecurityPackageInfoClass(refHandle, 0));
case (ContextAttribute.PackageInfo | ContextAttribute.Names):
return(obj2);
case ContextAttribute.NegotiationInfo:
goto Label_0229;
}
return(obj2);
}
switch (attribute2)
{
case ContextAttribute.RemoteCertificate:
case ContextAttribute.LocalCertificate:
obj2 = refHandle;
refHandle = null;
return(obj2);
case ContextAttribute.ClientSpecifiedSpn:
goto Label_0266;
case ContextAttribute.IssuerListInfoEx:
obj2 = new IssuerListInfoEx(refHandle, buffer);
refHandle = null;
return(obj2);
case ContextAttribute.ConnectionInfo:
return(new SslConnectionInfo(buffer));
default:
return(obj2);
}
Label_0229:
try
{
byte[] buffer2;
if (((buffer2 = buffer) == null) || (buffer2.Length == 0))
{
fixed(IntPtr *ptrRef = null)
{
}
}
return(new NegotiationInfoClass(refHandle, Marshal.ReadInt32(new IntPtr((void *)ptrRef), NegotiationInfo.NegotiationStateOffest)));
}
finally
{
ptrRef = null;
}
Label_0266:
return(Marshal.PtrToStringUni(refHandle.DangerousGetHandle()));
}
finally
{
if (refHandle != null)
{
refHandle.Close();
}
}
return(obj2);
}
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.SECPKG_ATTR_SIZES:
nativeBlockSize = SecPkgContext_Sizes.SizeOf;
break;
case Interop.SspiCli.ContextAttribute.SECPKG_ATTR_STREAM_SIZES:
nativeBlockSize = SecPkgContext_StreamSizes.SizeOf;
break;
case Interop.SspiCli.ContextAttribute.SECPKG_ATTR_NAMES:
handleType = typeof(SafeFreeContextBuffer);
break;
case Interop.SspiCli.ContextAttribute.SECPKG_ATTR_PACKAGE_INFO:
handleType = typeof(SafeFreeContextBuffer);
break;
case Interop.SspiCli.ContextAttribute.SECPKG_ATTR_NEGOTIATION_INFO:
handleType = typeof(SafeFreeContextBuffer);
nativeBlockSize = Marshal.SizeOf <SecPkgContext_NegotiationInfoW>();
break;
case Interop.SspiCli.ContextAttribute.SECPKG_ATTR_CLIENT_SPECIFIED_TARGET:
handleType = typeof(SafeFreeContextBuffer);
break;
case Interop.SspiCli.ContextAttribute.SECPKG_ATTR_REMOTE_CERT_CONTEXT:
handleType = typeof(SafeFreeCertContext);
break;
case Interop.SspiCli.ContextAttribute.SECPKG_ATTR_LOCAL_CERT_CONTEXT:
handleType = typeof(SafeFreeCertContext);
break;
case Interop.SspiCli.ContextAttribute.SECPKG_ATTR_ISSUER_LIST_EX:
nativeBlockSize = Marshal.SizeOf <Interop.SspiCli.SecPkgContext_IssuerListInfoEx>();
handleType = typeof(SafeFreeContextBuffer);
break;
case Interop.SspiCli.ContextAttribute.SECPKG_ATTR_CONNECTION_INFO:
nativeBlockSize = Marshal.SizeOf <SecPkgContext_ConnectionInfo>();
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.SECPKG_ATTR_SIZES:
attribute = new SecPkgContext_Sizes(nativeBuffer);
break;
case Interop.SspiCli.ContextAttribute.SECPKG_ATTR_STREAM_SIZES:
attribute = new SecPkgContext_StreamSizes(nativeBuffer);
break;
case Interop.SspiCli.ContextAttribute.SECPKG_ATTR_NAMES:
attribute = Marshal.PtrToStringUni(sspiHandle.DangerousGetHandle());
break;
case Interop.SspiCli.ContextAttribute.SECPKG_ATTR_PACKAGE_INFO:
attribute = new SecurityPackageInfoClass(sspiHandle, 0);
break;
case Interop.SspiCli.ContextAttribute.SECPKG_ATTR_NEGOTIATION_INFO:
unsafe
{
fixed(void *ptr = nativeBuffer)
{
attribute = new NegotiationInfoClass(sspiHandle, Marshal.ReadInt32(new IntPtr(ptr), SecPkgContext_NegotiationInfoW.NegotiationStateOffest));
}
}
break;
case Interop.SspiCli.ContextAttribute.SECPKG_ATTR_CLIENT_SPECIFIED_TARGET:
attribute = Marshal.PtrToStringUni(sspiHandle.DangerousGetHandle());
break;
case Interop.SspiCli.ContextAttribute.SECPKG_ATTR_LOCAL_CERT_CONTEXT:
// Fall-through to RemoteCertificate is intentional.
case Interop.SspiCli.ContextAttribute.SECPKG_ATTR_REMOTE_CERT_CONTEXT:
attribute = sspiHandle;
sspiHandle = null;
break;
case Interop.SspiCli.ContextAttribute.SECPKG_ATTR_ISSUER_LIST_EX:
attribute = new Interop.SspiCli.SecPkgContext_IssuerListInfoEx(sspiHandle, nativeBuffer);
sspiHandle = null;
break;
case Interop.SspiCli.ContextAttribute.SECPKG_ATTR_CONNECTION_INFO:
attribute = new SecPkgContext_ConnectionInfo(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 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 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);
}
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);
}
public static unsafe object QueryContextAttributes(SSPIInterface SecModule, SafeDeleteContext securityContext, ContextAttribute contextAttribute, out int errorCode)
{
int size = IntPtr.Size;
Type handleType = null;
switch (contextAttribute)
{
case ContextAttribute.Sizes:
size = SecSizes.SizeOf;
break;
case ContextAttribute.Names:
handleType = typeof(SafeFreeContextBuffer);
break;
case ContextAttribute.StreamSizes:
size = StreamSizes.SizeOf;
break;
case ContextAttribute.PackageInfo:
handleType = typeof(SafeFreeContextBuffer);
break;
case ContextAttribute.NegotiationInfo:
handleType = typeof(SafeFreeContextBuffer);
size = Marshal.SizeOf(typeof(NegotiationInfo));
break;
case ContextAttribute.RemoteCertificate:
handleType = typeof(SafeFreeCertContext);
break;
case ContextAttribute.LocalCertificate:
handleType = typeof(SafeFreeCertContext);
break;
case ContextAttribute.ClientSpecifiedSpn:
handleType = typeof(SafeFreeContextBuffer);
break;
case ContextAttribute.IssuerListInfoEx:
size = Marshal.SizeOf(typeof(IssuerListInfoEx));
handleType = typeof(SafeFreeContextBuffer);
break;
case ContextAttribute.ConnectionInfo:
size = Marshal.SizeOf(typeof(SslConnectionInfo));
break;
default:
throw new ArgumentException(SR.GetString("net_invalid_enum", new object[] { "ContextAttribute" }), "contextAttribute");
}
SafeHandle refHandle = null;
object obj2 = null;
try
{
byte[] buffer = new byte[size];
errorCode = SecModule.QueryContextAttributes(securityContext, contextAttribute, buffer, handleType, out refHandle);
if (errorCode != 0)
{
return null;
}
ContextAttribute attribute2 = contextAttribute;
if (attribute2 <= ContextAttribute.NegotiationInfo)
{
switch (attribute2)
{
case ContextAttribute.Sizes:
return new SecSizes(buffer);
case ContextAttribute.Names:
if (!ComNetOS.IsWin9x)
{
return Marshal.PtrToStringUni(refHandle.DangerousGetHandle());
}
return Marshal.PtrToStringAnsi(refHandle.DangerousGetHandle());
case ContextAttribute.Lifespan:
case ContextAttribute.DceInfo:
return obj2;
case ContextAttribute.StreamSizes:
return new StreamSizes(buffer);
case ContextAttribute.PackageInfo:
return new SecurityPackageInfoClass(refHandle, 0);
case (ContextAttribute.PackageInfo | ContextAttribute.Names):
return obj2;
case ContextAttribute.NegotiationInfo:
goto Label_0229;
}
return obj2;
}
switch (attribute2)
{
case ContextAttribute.RemoteCertificate:
case ContextAttribute.LocalCertificate:
obj2 = refHandle;
refHandle = null;
return obj2;
case ContextAttribute.ClientSpecifiedSpn:
goto Label_0266;
case ContextAttribute.IssuerListInfoEx:
obj2 = new IssuerListInfoEx(refHandle, buffer);
refHandle = null;
return obj2;
case ContextAttribute.ConnectionInfo:
return new SslConnectionInfo(buffer);
default:
return obj2;
}
Label_0229:
try
{
byte[] buffer2;
if (((buffer2 = buffer) == null) || (buffer2.Length == 0))
{
fixed (IntPtr* ptrRef = null)
{
}
}
return new NegotiationInfoClass(refHandle, Marshal.ReadInt32(new IntPtr((void*) ptrRef), NegotiationInfo.NegotiationStateOffest));
}
finally
{
ptrRef = null;
}
Label_0266:
return Marshal.PtrToStringUni(refHandle.DangerousGetHandle());
}
finally
{
if (refHandle != null)
{
refHandle.Close();
}
}
return obj2;
}
