public void VerifyStructure(TS_UD_CS_NET net)
{
Site.CaptureRequirementIfAreEqual<TS_UD_HEADER_type_Values>(net.header.type, TS_UD_HEADER_type_Values.CS_NET,
225,
"In Client Network Data (TS_UD_CS_NET), the User Data Header type field MUST be set to CS_NET (0xC003).");
Site.CaptureRequirementIfIsTrue(net.channelCount <= 31,
228,
"[In Client Network Data (TS_UD_CS_NET)]channelCount (4 bytes): In Client Network Data, the maximum allowed value for channelCount is 31.");
Site.CaptureRequirementIfAreEqual<int>(net.channelDefArray.Count, (int)net.channelCount,
230,
"In Client Network Data, the number of CHANNEL_DEF structures which follows is given by the channelCount field.");
const uint options = (uint)Channel_Options.INITIALIZED | (uint)Channel_Options.ENCRYPT_RDP
| (uint)Channel_Options.ENCRYPT_SC | (uint)Channel_Options.ENCRYPT_CS
| (uint)Channel_Options.PRI_HIGH | (uint)Channel_Options.PRI_MED
| (uint)Channel_Options.PRI_LOW | (uint)Channel_Options.COMPRESS_RDP
| (uint)Channel_Options.COMPRESS | (uint)Channel_Options.SHOW_PROTOCOL
| (uint)Channel_Options.REMOTE_CONTROL_PERSISTENT;
const uint negOptions = ~options;
for (int i = 0; i < net.channelCount; i++)
{
site.CaptureRequirementIfIsTrue(((uint)net.channelDefArray[i].options & negOptions) == 0, 234,
@"In Channel Definition Structure (CHANNEL_DEF), the options field can take one of the following values"
+ @" CHANNEL_OPTION_INITIALIZED 0x80000000, CHANNEL_OPTION_ENCRYPT_RDP 0x40000000, CHANNEL_OPTION_ENCRYPT_SC"
+ @" 0x20000000, CHANNEL_OPTION_ENCRYPT_CS 0x10000000, CHANNEL_OPTION_PRI_HIGH 0x08000000, CHANNEL_OPTION_PRI_MED"
+ @" 0x04000000,CHANNEL_OPTION_PRI_LOW 0x02000000, CHANNEL_OPTION_COMPRESS_RDP 0x00800000, CHANNEL_OPTION_COMPRESS"
+ @" 0x00400000, CHANNEL_OPTION_SHOW_PROTOCOL 0x00200000, REMOTE_CONTROL_PERSISTENT 0x00100000");
}
}
/// <summary>
/// Parse TS_UD_CS_NET
/// (parser index is updated according to parsed length)
/// </summary>
/// <param name="data">data to be parsed</param>
/// <param name="currentIndex">current parser index</param>
/// <returns>TS_UD_CS_NET</returns>
private TS_UD_CS_NET ParseTsUdCsNet(byte[] data, ref int currentIndex)
{
TS_UD_CS_NET netData = new TS_UD_CS_NET();
// TS_UD_CS_NET: Header
netData.header.type = (TS_UD_HEADER_type_Values)ParseUInt16(data, ref currentIndex, false);
netData.header.length = ParseUInt16(data, ref currentIndex, false);
// TS_UD_SC_NET: channelCount
netData.channelCount = ParseUInt32(data, ref currentIndex, false);
// TS_UD_SC_NET: channelIdArray
netData.channelDefArray = new List<CHANNEL_DEF>();
for (int i = 0; i < netData.channelCount; i++)
{
CHANNEL_DEF channelDef;
byte[] name = GetBytes(data, ref currentIndex, 8);
ASCIIEncoding converter = new ASCIIEncoding();
channelDef.name = converter.GetString(name) ;
channelDef.options = (Channel_Options)ParseUInt32(data, ref currentIndex, false);
netData.channelDefArray.Add(channelDef);
}
return netData;
}
