/// <summary>
/// Encode GCC Conference Create Request according to [T124].
/// </summary>
/// <param name="gccPdu">The data to be encoded.</param>
/// <returns>The encoded data.</returns>
private static byte[] EncodeGccRspData(ConnectGCCRsp gccPdu)
{
if (gccPdu == null)
{
return null;
}
#region Encode userData
List<byte> userData = new List<byte>();
#region Encode serverCoreData structure TS_UD_CS_CORE
if (gccPdu.serverCoreData != null)
{
List<byte> coreData = new List<byte>();
RdpbcgrEncoder.EncodeStructure(coreData, gccPdu.serverCoreData.header);
RdpbcgrEncoder.EncodeStructure(coreData, (uint)gccPdu.serverCoreData.version);
RdpbcgrEncoder.EncodeStructure(coreData, (uint)gccPdu.serverCoreData.clientRequestedProtocols);
//earlyCapabilityFlags is optional.
if(gccPdu.serverCoreData.earlyCapabilityFlags != 0)
RdpbcgrEncoder.EncodeStructure(coreData, (uint)gccPdu.serverCoreData.earlyCapabilityFlags);
userData.AddRange(coreData.ToArray());
}
#endregion Encode serverCoreData structure TS_UD_CS_CORE
#region Encode serverNetworkData TS_UD_CS_NET
if (gccPdu.serverNetworkData != null)
{
List<byte> networkData = new List<byte>();
RdpbcgrEncoder.EncodeStructure(networkData, gccPdu.serverNetworkData.header);
RdpbcgrEncoder.EncodeStructure(networkData, gccPdu.serverNetworkData.MCSChannelId);
RdpbcgrEncoder.EncodeStructure(networkData, gccPdu.serverNetworkData.channelCount);
for (int i = 0; i < gccPdu.serverNetworkData.channelCount; ++i)
{
RdpbcgrEncoder.EncodeStructure(networkData, gccPdu.serverNetworkData.channelIdArray[i]);
}
if (gccPdu.serverNetworkData.Pad != null)
{
RdpbcgrEncoder.EncodeBytes(networkData, gccPdu.serverNetworkData.Pad);
}
userData.AddRange(networkData.ToArray());
}
#endregion Encode serverNetworkData TS_UD_CS_NET
#region Encode serverSecurityData TS_UD_CS_SEC
if (gccPdu.serverSecurityData != null)
{
List<byte> securityData = new List<byte>();
RdpbcgrEncoder.EncodeStructure(securityData, gccPdu.serverSecurityData.header);
RdpbcgrEncoder.EncodeStructure(securityData, (uint)gccPdu.serverSecurityData.encryptionMethod);
RdpbcgrEncoder.EncodeStructure(securityData, (uint)gccPdu.serverSecurityData.encryptionLevel);
if (gccPdu.serverSecurityData.encryptionMethod != EncryptionMethods.ENCRYPTION_METHOD_NONE ||
gccPdu.serverSecurityData.encryptionLevel != EncryptionLevel.ENCRYPTION_LEVEL_NONE)
{
RdpbcgrEncoder.EncodeStructure(securityData, gccPdu.serverSecurityData.serverRandomLen.actualData);
RdpbcgrEncoder.EncodeStructure(securityData, gccPdu.serverSecurityData.serverCertLen.actualData);
if (gccPdu.serverSecurityData.serverRandom != null)
{
RdpbcgrEncoder.EncodeBytes(securityData, gccPdu.serverSecurityData.serverRandom);
}
#region Encode certificate
if (gccPdu.serverSecurityData.serverCertificate != null)
{
RdpbcgrEncoder.EncodeStructure(securityData, (uint)gccPdu.serverSecurityData.serverCertificate.dwVersion);
if (gccPdu.serverSecurityData.serverCertificate.dwVersion == SERVER_CERTIFICATE_dwVersion_Values.CERT_CHAIN_VERSION_1)
{
PROPRIETARYSERVERCERTIFICATE cert = (PROPRIETARYSERVERCERTIFICATE)gccPdu.serverSecurityData.serverCertificate.certData;
RdpbcgrEncoder.EncodeStructure(securityData, (uint)cert.dwSigAlgId);
RdpbcgrEncoder.EncodeStructure(securityData, (uint)cert.dwKeyAlgId);
RdpbcgrEncoder.EncodeStructure(securityData, (ushort)cert.wPublicKeyBlobType);
RdpbcgrEncoder.EncodeStructure(securityData, cert.wPublicKeyBlobLen);
RdpbcgrEncoder.EncodeStructure(securityData, (uint)cert.PublicKeyBlob.magic);
RdpbcgrEncoder.EncodeStructure(securityData, cert.PublicKeyBlob.keylen);
RdpbcgrEncoder.EncodeStructure(securityData, cert.PublicKeyBlob.bitlen);
RdpbcgrEncoder.EncodeStructure(securityData, cert.PublicKeyBlob.datalen);
RdpbcgrEncoder.EncodeStructure(securityData, cert.PublicKeyBlob.pubExp);
RdpbcgrEncoder.EncodeBytes(securityData, cert.PublicKeyBlob.modulus);
RdpbcgrEncoder.EncodeStructure(securityData, (ushort)cert.wSignatureBlobType);
RdpbcgrEncoder.EncodeStructure(securityData, cert.wSignatureBlobLen);
RdpbcgrEncoder.EncodeBytes(securityData, cert.SignatureBlob);
}
else if (gccPdu.serverSecurityData.serverCertificate.dwVersion == SERVER_CERTIFICATE_dwVersion_Values.CERT_CHAIN_VERSION_2)
{
X509_CERTIFICATE_CHAIN cert = (X509_CERTIFICATE_CHAIN)gccPdu.serverSecurityData.serverCertificate.certData;
RdpbcgrEncoder.EncodeStructure(securityData, (uint)cert.NumCertBlobs);
for (int i = 0; i < cert.CertBlobArray.Length; i++)
{
RdpbcgrEncoder.EncodeStructure(securityData, cert.CertBlobArray[i].cbCert);
RdpbcgrEncoder.EncodeBytes(securityData, cert.CertBlobArray[i].abCert);
}
RdpbcgrEncoder.EncodeBytes(securityData, cert.Padding);
}
}
#endregion
}
userData.AddRange(securityData.ToArray());
}
#endregion Encode serverSecurityData TS_UD_CS_SEC
#region Encode serverMessageChannelData TS_UD_SC_MCS_MSGCHANNEL
if (gccPdu.serverMessageChannelData != null)
{
List<byte> msgChannelData = new List<byte>();
RdpbcgrEncoder.EncodeStructure(msgChannelData, gccPdu.serverMessageChannelData.header);
RdpbcgrEncoder.EncodeStructure(msgChannelData, gccPdu.serverMessageChannelData.MCSChannelID);
userData.AddRange(msgChannelData.ToArray());
}
#endregion
#region Encode serverMultitransportChannelData TS_UD_SC_MULTITRANSPORT
if (gccPdu.serverMultitransportChannelData != null)
{
List<byte> multiTranChannelData = new List<byte>();
RdpbcgrEncoder.EncodeStructure(multiTranChannelData, gccPdu.serverMultitransportChannelData.header);
RdpbcgrEncoder.EncodeStructure(multiTranChannelData, (uint)gccPdu.serverMultitransportChannelData.flags);
userData.AddRange(multiTranChannelData.ToArray());
}
#endregion
#endregion Encode userData
#region Filling GCC Conference Create Request
ConferenceCreateResponse gccCCrsp = new ConferenceCreateResponse();
gccCCrsp.nodeID = new UserID(gccPdu.nodeID);
gccCCrsp.tag = new Asn1Integer(gccPdu.tag);
gccCCrsp.result = new ConferenceCreateResponse_result(gccPdu.ccrResult);
//gccCCrsp.extElem1 = new Asn1OpenExt();
UserDataElement[] dataElements = new UserDataElement[1];
dataElements[0] = new UserDataElement();
dataElements[0].key = new Key(Key.h221NonStandard,
new H221NonStandardIdentifier(gccPdu.H221Key));
dataElements[0].value = new Asn1OctetString(userData.ToArray());
gccCCrsp.userData = new UserData(dataElements);
ConnectGCCPDU cGccPdu = new ConnectGCCPDU(ConnectGCCPDU.conferenceCreateResponse, gccCCrsp);
#endregion Filling GCC Conference Create Request
#region Encode ConnectData
Asn1PerEncodingBuffer perBuffer = new Asn1PerEncodingBuffer(true);
cGccPdu.PerEncode(perBuffer);
byte[] asnEncodedData = perBuffer.ByteArrayData;
Key key = new Key(Key.obj, new Asn1ObjectIdentifier(ConstValue.MCS_ATTRIBUTE_ID));
ConnectData connectData = new ConnectData(key, new Asn1OctetString(asnEncodedData));
Asn1PerEncodingBuffer perBuffer2 = new Asn1PerEncodingBuffer(true);
connectData.PerEncode(perBuffer2);
#endregion Encode ConnectData
#region Workaround for Windows encoding issue
//reset the ConnectPDULength to one-byte length: 0x2A
byte[] returnButter = null;
if ((perBuffer2.ByteArrayData[7] & 0x80) == 0x80)
{
//If length is two-byte, delete one byte
returnButter = new byte[perBuffer2.ByteArrayData.Length - 1];
Array.Copy(perBuffer2.ByteArrayData, returnButter, 7);
Array.Copy(perBuffer2.ByteArrayData, 8, returnButter, 7, returnButter.Length - 7);
}
else
{
returnButter = new byte[perBuffer2.ByteArrayData.Length];
Array.Copy(perBuffer2.ByteArrayData, returnButter, perBuffer2.ByteArrayData.Length);
}
returnButter[7] = 0x2A;
#endregion
return returnButter;
}
/// <summary>
/// Encode GCC Conference Create Request according to [T124].
/// </summary>
/// <param name="gccPdu">The data to be encoded.</param>
/// <returns>The encoded data.</returns>
private static byte[] EncodeGccData(ConnectGCC gccPdu)
{
if (gccPdu == null)
{
return null;
}
#region Encode userData
List<byte> userData = new List<byte>();
#region Encode clientCoreData structure TS_UD_CS_CORE
if (gccPdu.clientCoreData != null)
{
List<byte> coreData = new List<byte>();
RdpbcgrEncoder.EncodeStructure(coreData, gccPdu.clientCoreData.header);
RdpbcgrEncoder.EncodeStructure(coreData, (uint)gccPdu.clientCoreData.version);
RdpbcgrEncoder.EncodeStructure(coreData, gccPdu.clientCoreData.desktopWidth);
RdpbcgrEncoder.EncodeStructure(coreData, gccPdu.clientCoreData.desktopHeight);
RdpbcgrEncoder.EncodeStructure(coreData, (ushort)gccPdu.clientCoreData.colorDepth);
RdpbcgrEncoder.EncodeStructure(coreData, gccPdu.clientCoreData.SASSequence);
RdpbcgrEncoder.EncodeStructure(coreData, gccPdu.clientCoreData.keyboardLayout);
RdpbcgrEncoder.EncodeStructure(coreData, gccPdu.clientCoreData.clientBuild);
RdpbcgrEncoder.EncodeUnicodeString(coreData, gccPdu.clientCoreData.clientName,
ConstValue.CLIENT_CORE_DATA_CLIENT_NAME_SIZE);
RdpbcgrEncoder.EncodeStructure(coreData, (uint)gccPdu.clientCoreData.keyboardType);
RdpbcgrEncoder.EncodeStructure(coreData, gccPdu.clientCoreData.keyboardSubType);
RdpbcgrEncoder.EncodeStructure(coreData, gccPdu.clientCoreData.keyboardFunctionKey);
RdpbcgrEncoder.EncodeUnicodeString(coreData, gccPdu.clientCoreData.imeFileName,
ConstValue.CLIENT_CORE_DATA_IME_FILE_NAME_SIZE);
if (gccPdu.clientCoreData.postBeta2ColorDepth == null)
{
goto labelCoreEnd;
}
RdpbcgrEncoder.EncodeStructure(coreData, gccPdu.clientCoreData.postBeta2ColorDepth.actualData);
if (gccPdu.clientCoreData.clientProductId == null)
{
goto labelCoreEnd;
}
RdpbcgrEncoder.EncodeStructure(coreData, gccPdu.clientCoreData.clientProductId.actualData);
if (gccPdu.clientCoreData.serialNumber == null)
{
goto labelCoreEnd;
}
RdpbcgrEncoder.EncodeStructure(coreData, gccPdu.clientCoreData.serialNumber.actualData);
if (gccPdu.clientCoreData.highColorDepth == null)
{
goto labelCoreEnd;
}
RdpbcgrEncoder.EncodeStructure(coreData, gccPdu.clientCoreData.highColorDepth.actualData);
if (gccPdu.clientCoreData.supportedColorDepths == null)
{
goto labelCoreEnd;
}
RdpbcgrEncoder.EncodeStructure(coreData, gccPdu.clientCoreData.supportedColorDepths.actualData);
if (gccPdu.clientCoreData.earlyCapabilityFlags == null)
{
goto labelCoreEnd;
}
RdpbcgrEncoder.EncodeStructure(coreData, gccPdu.clientCoreData.earlyCapabilityFlags.actualData);
if (gccPdu.clientCoreData.clientDigProductId == null)
{
goto labelCoreEnd;
}
RdpbcgrEncoder.EncodeUnicodeString(coreData, gccPdu.clientCoreData.clientDigProductId,
ConstValue.CLIENT_CORE_DATA_CLIENT_DIG_PRODUCT_ID_SIZE);
if (gccPdu.clientCoreData.connnectionType == null)
{
goto labelCoreEnd;
}
RdpbcgrEncoder.EncodeStructure(coreData, gccPdu.clientCoreData.connnectionType.actualData);
if (gccPdu.clientCoreData.pad1octets == null)
{
goto labelCoreEnd;
}
RdpbcgrEncoder.EncodeStructure(coreData, gccPdu.clientCoreData.pad1octets.actualData);
if (gccPdu.clientCoreData.serverSelectedProtocol == null)
{
goto labelCoreEnd;
}
RdpbcgrEncoder.EncodeStructure(coreData, gccPdu.clientCoreData.serverSelectedProtocol.actualData);
if (gccPdu.clientCoreData.desktopPhysicalWidth == null)
{
goto labelCoreEnd;
}
RdpbcgrEncoder.EncodeStructure(coreData, gccPdu.clientCoreData.desktopPhysicalWidth.actualData);
if (gccPdu.clientCoreData.desktopPhysicalHeight == null)
{
goto labelCoreEnd;
}
RdpbcgrEncoder.EncodeStructure(coreData, gccPdu.clientCoreData.desktopPhysicalHeight.actualData);
RdpbcgrEncoder.EncodeStructure(coreData, (ushort)gccPdu.clientCoreData.desktopOrientation);
if (gccPdu.clientCoreData.desktopScaleFactor == null)
{
goto labelCoreEnd;
}
RdpbcgrEncoder.EncodeStructure(coreData, gccPdu.clientCoreData.desktopScaleFactor.actualData);
if (gccPdu.clientCoreData.deviceScaleFactor == null)
{
goto labelCoreEnd;
}
RdpbcgrEncoder.EncodeStructure(coreData, gccPdu.clientCoreData.deviceScaleFactor.actualData);
labelCoreEnd:
userData.AddRange(coreData.ToArray());
}
#endregion Encode clientCoreData structure TS_UD_CS_CORE
#region Encode clientSecurityData TS_UD_CS_SEC
if (gccPdu.clientSecurityData != null)
{
List<byte> securityData = new List<byte>();
RdpbcgrEncoder.EncodeStructure(securityData, gccPdu.clientSecurityData.header);
RdpbcgrEncoder.EncodeStructure(securityData, (uint)gccPdu.clientSecurityData.encryptionMethods);
RdpbcgrEncoder.EncodeStructure(securityData, gccPdu.clientSecurityData.extEncryptionMethods);
userData.AddRange(securityData.ToArray());
}
#endregion Encode clientSecurityData TS_UD_CS_SEC
#region Encode clientNetworkData TS_UD_CS_NET
if (gccPdu.clientNetworkData != null)
{
List<byte> networkData = new List<byte>();
RdpbcgrEncoder.EncodeStructure(networkData, gccPdu.clientNetworkData.header);
RdpbcgrEncoder.EncodeStructure(networkData, gccPdu.clientNetworkData.channelCount);
for (int i = 0; i < gccPdu.clientNetworkData.channelCount; ++i)
{
RdpbcgrEncoder.EncodeAnsiString(networkData,
gccPdu.clientNetworkData.channelDefArray[i].name,
ConstValue.CHANNEL_DEF_NAME_SIZE);
RdpbcgrEncoder.EncodeStructure(networkData,
(uint)gccPdu.clientNetworkData.channelDefArray[i].options);
}
userData.AddRange(networkData.ToArray());
}
#endregion Encode clientNetworkData TS_UD_CS_NET
#region Encode clientClusterData TS_UD_CS_CLUSTER
if (gccPdu.clientClusterData != null)
{
List<byte> clusterData = new List<byte>();
RdpbcgrEncoder.EncodeStructure(clusterData, gccPdu.clientClusterData.header);
RdpbcgrEncoder.EncodeStructure(clusterData, (uint)gccPdu.clientClusterData.Flags);
RdpbcgrEncoder.EncodeStructure(clusterData, gccPdu.clientClusterData.RedirectedSessionID);
userData.AddRange(clusterData.ToArray());
}
#endregion Encode clientClusterData TS_UD_CS_CLUSTER
#region Encode clientMonitorData TS_UD_CS_MONITOR
if (gccPdu.clientMonitorData != null)
{
List<byte> monitorData = new List<byte>();
RdpbcgrEncoder.EncodeStructure(monitorData, gccPdu.clientMonitorData.header);
RdpbcgrEncoder.EncodeStructure(monitorData, gccPdu.clientMonitorData.Flags);
RdpbcgrEncoder.EncodeStructure(monitorData, gccPdu.clientMonitorData.monitorCount);
for (int i = 0; i < gccPdu.clientMonitorData.monitorCount; ++i)
{
RdpbcgrEncoder.EncodeStructure(monitorData,
gccPdu.clientMonitorData.monitorDefArray[i].left);
RdpbcgrEncoder.EncodeStructure(monitorData,
gccPdu.clientMonitorData.monitorDefArray[i].top);
RdpbcgrEncoder.EncodeStructure(monitorData,
gccPdu.clientMonitorData.monitorDefArray[i].right);
RdpbcgrEncoder.EncodeStructure(monitorData,
gccPdu.clientMonitorData.monitorDefArray[i].bottom);
RdpbcgrEncoder.EncodeStructure(monitorData,
(uint)gccPdu.clientMonitorData.monitorDefArray[i].flags);
}
userData.AddRange(monitorData.ToArray());
}
#endregion Encode clientMonitorData TS_UD_CS_MONITOR
#region Encode clientMessageChannelData TS_UD_CS_MCS_MSGCHANNEL
if (gccPdu.clientMessageChannelData != null)
{
List<byte> messageChannelData = new List<byte>();
RdpbcgrEncoder.EncodeStructure(messageChannelData, gccPdu.clientMessageChannelData.header);
RdpbcgrEncoder.EncodeStructure(messageChannelData, (uint)gccPdu.clientMessageChannelData.flags);
userData.AddRange(messageChannelData.ToArray());
}
#endregion Encode clientMessageChannelData TS_UD_CS_MCS_MSGCHANNEL
#region Encode clientMultitransportChannelData TS_UD_CS_MULTITRANSPORT
if (gccPdu.clientMultitransportChannelData != null)
{
List<byte> multitransportChannelData = new List<byte>();
RdpbcgrEncoder.EncodeStructure(multitransportChannelData, gccPdu.clientMultitransportChannelData.header);
RdpbcgrEncoder.EncodeStructure(multitransportChannelData, (uint)gccPdu.clientMultitransportChannelData.flags);
userData.AddRange(multitransportChannelData.ToArray());
}
#endregion Encode clientMultitransportChannelData TS_UD_CS_MONITOR_EX
#region Encode clientMonitorExtendedData TS_UD_CS_MULTITRANSPORT
if (gccPdu.clientMonitorExtendedData != null)
{
List<byte> monitorExtendData = new List<byte>();
RdpbcgrEncoder.EncodeStructure(monitorExtendData, gccPdu.clientMonitorExtendedData.header);
RdpbcgrEncoder.EncodeStructure(monitorExtendData, gccPdu.clientMonitorExtendedData.flags);
RdpbcgrEncoder.EncodeStructure(monitorExtendData, gccPdu.clientMonitorExtendedData.monitorAttributeSize);
RdpbcgrEncoder.EncodeStructure(monitorExtendData, gccPdu.clientMonitorExtendedData.monitorCount);
foreach (var attribute in gccPdu.clientMonitorExtendedData.monitorAttributesArray)
{
RdpbcgrEncoder.EncodeStructure(monitorExtendData, attribute.physicalWidth);
RdpbcgrEncoder.EncodeStructure(monitorExtendData, attribute.physicalHeight);
RdpbcgrEncoder.EncodeStructure(monitorExtendData, (uint)attribute.orientation);
RdpbcgrEncoder.EncodeStructure(monitorExtendData, attribute.desktopScaleFactor);
RdpbcgrEncoder.EncodeStructure(monitorExtendData, attribute.deviceScaleFactor);
}
}
#endregion Encode clientMonitorExtendedData TS_UD_CS_MONITOR_EX
#endregion Encode userData
#region Filling GCC Conference Create Request
ConferenceCreateRequest gccCCrq = new ConferenceCreateRequest();
if (gccPdu.conferenceName != null)
{
gccCCrq.conferenceName = new ConferenceName(gccPdu.conferenceName);
}
if (gccPdu.convenerPassword != null)
{
gccCCrq.convenerPassword = new Password(gccPdu.convenerPassword);
}
if (gccPdu.password != null)
{
gccCCrq.password = new Password(gccPdu.password);
}
gccCCrq.lockedConference = new Asn1Boolean(gccPdu.lockedConference);
gccCCrq.listedConference = new Asn1Boolean(gccPdu.listedConference);
gccCCrq.conductibleConference = new Asn1Boolean(gccPdu.conductibleConference);
gccCCrq.terminationMethod = new TerminationMethod(gccPdu.terminationMethod);
if (gccPdu.conductorPrivileges != null)
{
List<Privilege> privilege = new List<Privilege>();
foreach (int i in gccPdu.conductorPrivileges)
{
privilege.Add(new Privilege(i));
}
gccCCrq.conductorPrivileges = new Asn1SetOf<Privilege>(privilege.ToArray());
}
if (gccPdu.conductedPrivileges != null)
{
List<Privilege> privilege = new List<Privilege>();
foreach (int i in gccPdu.conductedPrivileges)
{
privilege.Add(new Privilege(i));
}
gccCCrq.conductedPrivileges = new Asn1SetOf<Privilege>(privilege.ToArray());
}
if (gccPdu.nonConductedPrivileges != null)
{
List<Privilege> privilege = new List<Privilege>();
foreach (int i in gccPdu.nonConductedPrivileges)
{
privilege.Add(new Privilege(i));
}
gccCCrq.nonConductedPrivileges = new Asn1SetOf<Privilege>(privilege.ToArray());
}
if (gccPdu.conferenceDescription != null)
{
gccCCrq.conferenceDescription = new TextString(gccPdu.conferenceDescription);
}
if (gccPdu.callerIdentifier != null)
{
gccCCrq.callerIdentifier = new TextString(gccPdu.callerIdentifier);
}
//gccCCrq.extElem1 = new Asn1OpenExt();
UserDataElement[] dataElements = new UserDataElement[1];
dataElements[0] = new UserDataElement();
dataElements[0].key = new Key(Key.h221NonStandard,
new H221NonStandardIdentifier(ConstValue.H221_NON_STANDARD_KEY));
dataElements[0].value = new Asn1OctetString(userData.ToArray());
gccCCrq.userData = new UserData(dataElements);
ConnectGCCPDU cGccPdu = new ConnectGCCPDU(ConnectGCCPDU.conferenceCreateRequest, gccCCrq);
#endregion Filling GCC Conference Create Request
#region Encode ConnectData
Asn1PerEncodingBuffer perBuffer = new Asn1PerEncodingBuffer(true);
cGccPdu.PerEncode(perBuffer);
byte[] asnEncodedData = perBuffer.ByteArrayData;
Key key = new Key(Key.obj, new Asn1ObjectIdentifier(ConstValue.MCS_ATTRIBUTE_ID));
ConnectData connectData = new ConnectData(key, new Asn1OctetString(asnEncodedData));
Asn1PerEncodingBuffer perBuffer2 = new Asn1PerEncodingBuffer(true);
connectData.PerEncode(perBuffer2);
#endregion Encode ConnectData
return perBuffer2.ByteArrayData;
}
