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); 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 (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) { 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 (NetEventSource.IsEnabled) NetEventSource.Exit(null, attribute); return attribute; }
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 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); }