internal void SkipLongBytes(ulong num, TdsParserStateObject stateObj)
{
int len = 0;
while (num > 0L)
{
len = (num > 0x7fffffffL) ? 0x7fffffff : ((int) num);
stateObj.ReadByteArray(null, 0, len);
num -= len;
}
}
private void ReadTwoBinaryFields(SqlEnvChange env, TdsParserStateObject stateObj)
{
env.newLength = stateObj.ReadByte();
env.newBinValue = new byte[env.newLength];
stateObj.ReadByteArray(env.newBinValue, 0, env.newLength);
env.oldLength = stateObj.ReadByte();
env.oldBinValue = new byte[env.oldLength];
stateObj.ReadByteArray(env.oldBinValue, 0, env.oldLength);
env.length = (3 + env.newLength) + env.oldLength;
}
public void SkipBytes(int num, TdsParserStateObject stateObj)
{
stateObj.ReadByteArray(null, 0, num);
}
internal void ReadSqlValueInternal(SqlBuffer value, byte tdsType, int typeId, int length, TdsParserStateObject stateObj)
{
int num4;
switch (tdsType)
{
case 0x7f:
goto Label_011A;
case 0xa5:
case 0xad:
case 0x22:
case 0x25:
case 0x2d:
{
byte[] buff = new byte[length];
stateObj.ReadByteArray(buff, 0, length);
value.SqlBinary = new SqlBinary(buff, true);
return;
}
case 0x6d:
if (length != 4)
{
goto Label_013B;
}
goto Label_012D;
case 110:
if (length == 4)
{
goto Label_0173;
}
goto Label_014E;
case 0x6f:
if (length != 4)
{
goto Label_01A2;
}
goto Label_0187;
case 0x7a:
goto Label_0173;
case 0x62:
this.ReadSqlVariant(value, length, stateObj);
return;
case 0x68:
case 50:
value.Boolean = stateObj.ReadByte() != 0;
return;
case 0x23:
case 0x2e:
case 0x2f:
case 0x31:
case 0x33:
case 0x35:
case 0x36:
case 0x37:
case 0x39:
return;
case 0x24:
{
byte[] buffer2 = new byte[length];
stateObj.ReadByteArray(buffer2, 0, length);
value.SqlGuid = new SqlGuid(buffer2, true);
return;
}
case 0x26:
if (length == 1)
{
break;
}
if (length == 2)
{
goto Label_00FE;
}
if (length != 4)
{
goto Label_011A;
}
goto Label_010C;
case 0x30:
break;
case 0x34:
goto Label_00FE;
case 0x38:
goto Label_010C;
case 0x3a:
goto Label_0187;
case 0x3b:
goto Label_012D;
case 60:
goto Label_014E;
case 0x3d:
goto Label_01A2;
case 0x3e:
goto Label_013B;
default:
return;
}
value.Byte = stateObj.ReadByte();
return;
Label_00FE:
value.Int16 = stateObj.ReadInt16();
return;
Label_010C:
value.Int32 = stateObj.ReadInt32();
return;
Label_011A:
value.Int64 = stateObj.ReadInt64();
return;
Label_012D:
value.Single = stateObj.ReadSingle();
return;
Label_013B:
value.Double = stateObj.ReadDouble();
return;
Label_014E:
num4 = stateObj.ReadInt32();
uint num3 = stateObj.ReadUInt32();
long num2 = (num4 << 0x20) + num3;
value.SetToMoney(num2);
return;
Label_0173:
value.SetToMoney((long) stateObj.ReadInt32());
return;
Label_0187:
value.SetToDateTime(stateObj.ReadUInt16(), stateObj.ReadUInt16() * SqlDateTime.SQLTicksPerMinute);
return;
Label_01A2:
value.SetToDateTime(stateObj.ReadInt32(), (int) stateObj.ReadUInt32());
}
internal void ReadSqlValue(SqlBuffer value, SqlMetaDataPriv md, int length, TdsParserStateObject stateObj)
{
if (md.metaType.IsPlp)
{
length = 0x7fffffff;
}
switch (md.tdsType)
{
case 0x22:
case 0x25:
case 0x2d:
case 240:
case 0xa5:
case 0xad:
{
byte[] buff = null;
if (md.metaType.IsPlp)
{
stateObj.ReadPlpBytes(ref buff, 0, length);
}
else
{
buff = new byte[length];
stateObj.ReadByteArray(buff, 0, length);
}
value.SqlBinary = new SqlBinary(buff, true);
return;
}
case 0x23:
case 0x27:
case 0x2f:
case 0x63:
case 0xef:
case 0xe7:
case 0xa7:
case 0xaf:
this.ReadSqlStringValue(value, md.tdsType, length, md.encoding, md.metaType.IsPlp, stateObj);
return;
case 40:
case 0x29:
case 0x2a:
case 0x2b:
this.ReadSqlDateTime(value, md.tdsType, length, md.scale, stateObj);
return;
case 0x6a:
case 0x6c:
this.ReadSqlDecimal(value, length, md.precision, md.scale, stateObj);
return;
case 0xf1:
{
SqlCachedBuffer buffer2 = new SqlCachedBuffer(md, this, stateObj);
value.SqlCachedBuffer = buffer2;
return;
}
}
this.ReadSqlValueInternal(value, md.tdsType, md.metaType.TypeId, length, stateObj);
}
private void ReadSqlDateTime(SqlBuffer value, byte tdsType, int length, byte scale, TdsParserStateObject stateObj)
{
stateObj.ReadByteArray(this.datetimeBuffer, 0, length);
switch (tdsType)
{
case 40:
value.SetToDate(this.datetimeBuffer);
return;
case 0x29:
value.SetToTime(this.datetimeBuffer, length, scale);
return;
case 0x2a:
value.SetToDateTime2(this.datetimeBuffer, length, scale);
return;
case 0x2b:
value.SetToDateTimeOffset(this.datetimeBuffer, length, scale);
return;
}
}
private SqlLoginAck ProcessLoginAck(TdsParserStateObject stateObj)
{
SqlLoginAck ack = new SqlLoginAck();
this.SkipBytes(1, stateObj);
byte[] buff = new byte[4];
stateObj.ReadByteArray(buff, 0, buff.Length);
uint num3 = (uint) ((((((buff[0] << 8) | buff[1]) << 8) | buff[2]) << 8) | buff[3]);
uint num6 = num3 & 0xff00ffff;
uint num2 = (num3 >> 0x10) & 0xff;
switch (num6)
{
case 0x72000002:
if (num2 != 9)
{
throw SQL.InvalidTDSVersion();
}
this._isYukon = true;
break;
case 0x73000003:
if (num2 != 10)
{
throw SQL.InvalidTDSVersion();
}
this._isKatmai = true;
break;
case 0x7000000:
switch (num2)
{
case 1:
this._isShiloh = true;
goto Label_00DF;
}
throw SQL.InvalidTDSVersion();
case 0x71000001:
if (num2 != 0)
{
throw SQL.InvalidTDSVersion();
}
this._isShilohSP1 = true;
break;
default:
throw SQL.InvalidTDSVersion();
}
Label_00DF:
this._isYukon |= this._isKatmai;
this._isShilohSP1 |= this._isYukon;
this._isShiloh |= this._isShilohSP1;
ack.isVersion8 = this._isShiloh;
stateObj._outBytesUsed = stateObj._outputHeaderLen;
byte length = stateObj.ReadByte();
ack.programName = stateObj.ReadString(length);
ack.majorVersion = stateObj.ReadByte();
ack.minorVersion = stateObj.ReadByte();
ack.buildNum = (short) ((stateObj.ReadByte() << 8) + stateObj.ReadByte());
this._state = TdsParserState.OpenLoggedIn;
if ((this._isYukon && this._fAsync) && this._fMARS)
{
this._resetConnectionEvent = new AutoResetEvent(true);
}
if (this._connHandler.ConnectionOptions.UserInstance && ADP.IsEmpty(this._connHandler.InstanceName))
{
this.Errors.Add(new SqlError(0, 0, 20, this.Server, SQLMessage.UserInstanceFailure(), "", 0));
this.ThrowExceptionAndWarning();
}
return ack;
}
private SqlEnvChange[] ProcessEnvChange(int tokenLength, TdsParserStateObject stateObj)
{
int num4 = 0;
int index = 0;
SqlEnvChange[] changeArray = new SqlEnvChange[3];
while (tokenLength > num4)
{
int num3;
ushort num5;
if (index >= changeArray.Length)
{
SqlEnvChange[] changeArray2 = new SqlEnvChange[changeArray.Length + 3];
for (int i = 0; i < changeArray.Length; i++)
{
changeArray2[i] = changeArray[i];
}
changeArray = changeArray2;
}
SqlEnvChange env = new SqlEnvChange {
type = stateObj.ReadByte()
};
changeArray[index] = env;
index++;
switch (env.type)
{
case 1:
case 2:
this.ReadTwoStringFields(env, stateObj);
goto Label_03E0;
case 3:
this.ReadTwoStringFields(env, stateObj);
if (!(env.newValue == "iso_1"))
{
break;
}
this._defaultCodePage = 0x4e4;
this._defaultEncoding = Encoding.GetEncoding(this._defaultCodePage);
goto Label_03E0;
case 4:
{
this.ReadTwoStringFields(env, stateObj);
int size = int.Parse(env.newValue, NumberStyles.Integer, CultureInfo.InvariantCulture);
if (this._physicalStateObj.SetPacketSize(size))
{
this._physicalStateObj._sniPacket.Dispose();
uint qInfo = (uint) size;
SNINativeMethodWrapper.SNISetInfo(this._physicalStateObj.Handle, SNINativeMethodWrapper.QTypes.SNI_QUERY_CONN_BUFSIZE, ref qInfo);
this._physicalStateObj._sniPacket = new SNIPacket(this._physicalStateObj.Handle);
}
goto Label_03E0;
}
case 5:
this.ReadTwoStringFields(env, stateObj);
this._defaultLCID = int.Parse(env.newValue, NumberStyles.Integer, CultureInfo.InvariantCulture);
goto Label_03E0;
case 6:
this.ReadTwoStringFields(env, stateObj);
goto Label_03E0;
case 7:
env.newLength = stateObj.ReadByte();
if (env.newLength == 5)
{
env.newCollation = this.ProcessCollation(stateObj);
this._defaultCollation = env.newCollation;
int codePage = this.GetCodePage(env.newCollation, stateObj);
if (codePage != this._defaultCodePage)
{
this._defaultCodePage = codePage;
this._defaultEncoding = Encoding.GetEncoding(this._defaultCodePage);
}
this._defaultLCID = env.newCollation.LCID;
}
env.oldLength = stateObj.ReadByte();
if (env.oldLength == 5)
{
env.oldCollation = this.ProcessCollation(stateObj);
}
env.length = (3 + env.newLength) + env.oldLength;
goto Label_03E0;
case 8:
case 9:
case 10:
case 11:
case 12:
case 0x11:
env.newLength = stateObj.ReadByte();
if (env.newLength <= 0)
{
goto Label_02B0;
}
env.newLongValue = stateObj.ReadInt64();
goto Label_02B8;
case 13:
this.ReadTwoStringFields(env, stateObj);
goto Label_03E0;
case 15:
env.newLength = stateObj.ReadInt32();
env.newBinValue = new byte[env.newLength];
stateObj.ReadByteArray(env.newBinValue, 0, env.newLength);
env.oldLength = stateObj.ReadByte();
env.length = 5 + env.newLength;
goto Label_03E0;
case 0x10:
case 0x12:
this.ReadTwoBinaryFields(env, stateObj);
goto Label_03E0;
case 0x13:
this.ReadTwoStringFields(env, stateObj);
goto Label_03E0;
case 20:
{
env.newLength = stateObj.ReadUInt16();
byte protocol = stateObj.ReadByte();
ushort port = stateObj.ReadUInt16();
ushort length = stateObj.ReadUInt16();
string servername = stateObj.ReadString(length);
env.newRoutingInfo = new RoutingInfo(protocol, port, servername);
num5 = stateObj.ReadUInt16();
num3 = 0;
goto Label_03C9;
}
default:
goto Label_03E0;
}
string s = env.newValue.Substring(2);
this._defaultCodePage = int.Parse(s, NumberStyles.Integer, CultureInfo.InvariantCulture);
this._defaultEncoding = Encoding.GetEncoding(this._defaultCodePage);
goto Label_03E0;
Label_02B0:
env.newLongValue = 0L;
Label_02B8:
env.oldLength = stateObj.ReadByte();
if (env.oldLength > 0)
{
env.oldLongValue = stateObj.ReadInt64();
}
else
{
env.oldLongValue = 0L;
}
env.length = (3 + env.newLength) + env.oldLength;
goto Label_03E0;
Label_03BC:
stateObj.ReadByte();
num3++;
Label_03C9:
if (num3 < num5)
{
goto Label_03BC;
}
env.length = (env.newLength + num5) + 5;
Label_03E0:
num4 += env.length;
}
return changeArray;
}