public bool Unpack(MemoryStream stream)
{
HostNamePosition = LittleEndianUtilities.ReadUShort(stream);
HostNameLength = LittleEndianUtilities.ReadUShort(stream);
UserNamePosition = LittleEndianUtilities.ReadUShort(stream);
UserNameLength = LittleEndianUtilities.ReadUShort(stream);
PasswordPosition = LittleEndianUtilities.ReadUShort(stream);
PasswordLength = LittleEndianUtilities.ReadUShort(stream);
AppNamePosition = LittleEndianUtilities.ReadUShort(stream);
AppNameLength = LittleEndianUtilities.ReadUShort(stream);
ServerNamePosition = LittleEndianUtilities.ReadUShort(stream);
ServerNameLength = LittleEndianUtilities.ReadUShort(stream);
ExtensionPosition = LittleEndianUtilities.ReadUShort(stream);
ExtensionLength = LittleEndianUtilities.ReadUShort(stream);
CltIntNamePosition = LittleEndianUtilities.ReadUShort(stream);
CltIntNameLength = LittleEndianUtilities.ReadUShort(stream);
LanguagePosition = LittleEndianUtilities.ReadUShort(stream);
LanguageLength = LittleEndianUtilities.ReadUShort(stream);
DatabasePosition = LittleEndianUtilities.ReadUShort(stream);
DatabaseLength = LittleEndianUtilities.ReadUShort(stream);
stream.Read(ClientID, 0, 6);
SSPIPosition = LittleEndianUtilities.ReadUShort(stream);
SSPILength = LittleEndianUtilities.ReadUShort(stream);
AtchDBFilePosition = LittleEndianUtilities.ReadUShort(stream);
AtchDBFileLength = LittleEndianUtilities.ReadUShort(stream);
ChangePasswordPosition = LittleEndianUtilities.ReadUShort(stream);
ChangePasswordLength = LittleEndianUtilities.ReadUShort(stream);
SSPILengthLong = LittleEndianUtilities.ReadUInt(stream);
return(true);
}
/// <summary>
/// Used to unpack IPackageable from a stream.
/// </summary>
/// <param name="stream">MemoryStream from which to unpack IPackageable.</param>
/// <returns>Returns true if successful.</returns>
public override bool Unpack(MemoryStream stream)
{
LittleEndianUtilities.ReadUShort(stream);
this.Number = (int)LittleEndianUtilities.ReadUInt(stream);
this.State = Convert.ToByte(stream.ReadByte());
this.Class = Convert.ToByte(stream.ReadByte());
int length = LittleEndianUtilities.ReadUShort(stream) * 2;
var buffer = new byte[length];
stream.Read(buffer, 0, length);
this.MsgText = Encoding.Unicode.GetString(buffer);
length = stream.ReadByte() * 2;
buffer = new byte[length];
stream.Read(buffer, 0, length);
this.ServerName = Encoding.Unicode.GetString(buffer);
length = stream.ReadByte() * 2;
buffer = new byte[length];
stream.Read(buffer, 0, length);
this.ProcName = Encoding.Unicode.GetString(buffer);
this.LineNumber = LittleEndianUtilities.ReadUInt(stream);
return(true);
}
/// <summary>
/// Used to unpack IPackageable from a stream.
/// </summary>
/// <param name="stream">MemoryStream from which to unpack IPackageable.</param>
/// <returns>Returns true if successful.</returns>
public bool Unpack(MemoryStream stream)
{
stream.Read(this.TraceID, 0, 16);
stream.Read(this.ActivityID, 0, 16);
this.ActivitySequence = LittleEndianUtilities.ReadUInt(stream);
return(true);
}
public void ReadUIntFromMemoryStream()
{
var stream = new MemoryStream();
stream.Write(new byte[] { 0x01, 0x23, 0x45, 0x67 });
stream.Seek(0, SeekOrigin.Begin);
var res = LittleEndianUtilities.ReadUInt(stream);
Assert.AreEqual((uint)0x67452301, res);
}
public bool Unpack(MemoryStream stream)
{
LittleEndianUtilities.ReadUInt(stream);
TDSVersion = LittleEndianUtilities.ReadUInt(stream);
PacketSize = LittleEndianUtilities.ReadUInt(stream);
ClientProgVer = LittleEndianUtilities.ReadUInt(stream);
ClientPID = LittleEndianUtilities.ReadUInt(stream);
ConnectionID = LittleEndianUtilities.ReadUInt(stream);
OptionFlags1.Unpack(stream);
OptionFlags2.Unpack(stream);
TypeFlags.Unpack(stream);
OptionFlags3.Unpack(stream);
ClientTimeZone = Convert.ToInt32(LittleEndianUtilities.ReadUInt(stream));
ClientLCID = LittleEndianUtilities.ReadUInt(stream);
OffsetLength.Unpack(stream);
stream.Read(Data, 0, (int)OffsetLength.TotalLength());
// Extensions not supported
return(true);
}
/// <summary>
/// Used to unpack IPackageable from a stream.
/// </summary>
/// <param name="stream">MemoryStream from which to unpack IPackageable.</param>
/// <returns>Returns true if successful.</returns>
public bool Unpack(MemoryStream stream)
{
LittleEndianUtilities.ReadUInt(stream);
this.TDSVersion = LittleEndianUtilities.ReadUInt(stream);
this.PacketSize = LittleEndianUtilities.ReadUInt(stream);
this.ClientProgVer = LittleEndianUtilities.ReadUInt(stream);
this.ClientPID = LittleEndianUtilities.ReadUInt(stream);
this.ConnectionID = LittleEndianUtilities.ReadUInt(stream);
this.OptionFlags1.Unpack(stream);
this.OptionFlags2.Unpack(stream);
this.TypeFlags.Unpack(stream);
this.OptionFlags3.Unpack(stream);
this.ClientTimeZone = Convert.ToUInt32(LittleEndianUtilities.ReadUInt(stream));
this.ClientLCID = LittleEndianUtilities.ReadUInt(stream);
var result = TDSLogin7OptionFactory.ReadOptionsFromStream(stream);
this.ClientID = result.Item2;
this.Options = result.Item1;
return(true);
}
/// <summary>
/// Reads TDS Login7 options from a stream
/// </summary>
/// <param name="stream">Stream containing the Login7 packet</param>
/// <returns>ClientID, TDS Login7 options pair</returns>
public static Tuple <List <TDSLogin7Option>, byte[]> ReadOptionsFromStream(MemoryStream stream)
{
var options = new List <TDSLogin7Option>();
var clientID = new byte[6];
foreach (var option in OptionOrder)
{
ushort position = 0;
ushort length = 0;
switch (option)
{
case "HostName":
case "UserName":
case "AppName":
case "ServerName":
case "CltIntName":
case "Language":
case "Database":
{
position = LittleEndianUtilities.ReadUShort(stream);
length = LittleEndianUtilities.ReadUShort(stream);
if (length != 0)
{
options.Add(new TDSLogin7TextOption(option, position, length));
}
break;
}
case "ClientID":
{
stream.Read(clientID, 0, 6);
break;
}
case "Password":
case "ChangePassword":
{
position = LittleEndianUtilities.ReadUShort(stream);
length = LittleEndianUtilities.ReadUShort(stream);
if (length != 0)
{
options.Add(new TDSLogin7PasswordOption(option, position, length));
}
break;
}
default:
{
position = LittleEndianUtilities.ReadUShort(stream);
length = LittleEndianUtilities.ReadUShort(stream);
if (length != 0)
{
throw new NotSupportedException();
}
break;
}
}
}
// Ignore LongSSPI, not supported
LittleEndianUtilities.ReadUInt(stream);
options = options.OrderBy(opt => opt.Position).ToList();
foreach (var option in options)
{
option.Unpack(stream);
}
return(new Tuple <List <TDSLogin7Option>, byte[]>(options, clientID));
}