internal void ReadOk(bool read)
{
try
{
if (read)
{
packet = stream.ReadPacket();
}
byte marker = (byte)packet.ReadByte();
if (marker != 0)
{
throw new MySqlException("Out of sync with server", true, null);
}
packet.ReadFieldLength(); /* affected rows */
packet.ReadFieldLength(); /* last insert id */
if (packet.HasMoreData)
{
serverStatus = (ServerStatusFlags)packet.ReadInteger(2);
packet.ReadInteger(2); /* warning count */
if (packet.HasMoreData)
{
packet.ReadLenString(); /* message */
}
}
}
catch (MySqlException ex)
{
HandleException(ex);
throw;
}
}
/// <summary>
/// ReadPacket is called by NativeDriver to start reading the next
/// packet on the stream.
/// </summary>
public MySqlPacket ReadPacket()
{
//Debug.Assert(packet.Position == packet.Length);
// make sure we have read all the data from the previous packet
//Debug.Assert(HasMoreData == false, "HasMoreData is true in OpenPacket");
LoadPacket();
// now we check if this packet is a server error
if (packet.Buffer[0] == 0xff)
{
packet.ReadByte(); // read off the 0xff
int code = packet.ReadInteger(2);
string msg = String.Empty;
if (packet.Version.isAtLeast(5, 5, 0))
{
msg = packet.ReadString(Encoding.UTF8);
}
else
{
msg = packet.ReadString();
}
if (msg.StartsWith("#", StringComparison.Ordinal))
{
msg.Substring(1, 5); /* state code */
msg = msg.Substring(6);
}
throw new MySqlException(msg, code);
}
return(packet);
}
private void GetColumnData(MySqlField field)
{
stream.Encoding = Encoding;
packet = stream.ReadPacket();
field.Encoding = Encoding;
field.CatalogName = packet.ReadLenString();
field.DatabaseName = packet.ReadLenString();
field.TableName = packet.ReadLenString();
field.RealTableName = packet.ReadLenString();
field.ColumnName = packet.ReadLenString();
field.OriginalColumnName = packet.ReadLenString();
packet.ReadByte();
field.CharacterSetIndex = packet.ReadInteger(2);
field.ColumnLength = packet.ReadInteger(4);
MySqlDbType type = (MySqlDbType)packet.ReadByte();
ColumnFlags colFlags;
if ((connectionFlags & ClientFlags.LONG_FLAG) != 0)
{
colFlags = (ColumnFlags)packet.ReadInteger(2);
}
else
{
colFlags = (ColumnFlags)packet.ReadByte();
}
field.Scale = (byte)packet.ReadByte();
if (packet.HasMoreData)
{
packet.ReadInteger(2); // reserved
}
if (type == MySqlDbType.Decimal || type == MySqlDbType.NewDecimal)
{
field.Precision = (byte)(field.ColumnLength - 2);
if ((colFlags & ColumnFlags.UNSIGNED) != 0)
{
field.Precision++;
}
}
field.SetTypeAndFlags(type, colFlags);
}
public int PrepareStatement(string sql, ref MySqlField[] parameters)
{
//TODO: check this
//ClearFetchedRow();
packet.Length = sql.Length * 4 + 5;
byte[] buffer = packet.Buffer;
int len = Encoding.GetBytes(sql, 0, sql.Length, packet.Buffer, 5);
packet.Position = len + 5;
buffer[4] = (byte)DBCmd.PREPARE;
ExecutePacket(packet);
packet = stream.ReadPacket();
int marker = packet.ReadByte();
if (marker != 0)
{
throw new MySqlException("Expected prepared statement marker");
}
int statementId = packet.ReadInteger(4);
int numCols = packet.ReadInteger(2);
int numParams = packet.ReadInteger(2);
//TODO: find out what this is needed for
packet.ReadInteger(3);
if (numParams > 0)
{
parameters = owner.GetColumns(numParams);
// we set the encoding for each parameter back to our connection encoding
// since we can't trust what is coming back from the server
for (int i = 0; i < parameters.Length; i++)
{
parameters[i].Encoding = Encoding;
}
}
if (numCols > 0)
{
while (numCols-- > 0)
{
packet = stream.ReadPacket();
//TODO: handle streaming packets
}
ReadEOF();
}
return(statementId);
}
private void AuthenticateSSPI()
{
string targetName = ""; // target name (required by Kerberos)
// First packet sent by server should include target name (for
// Kerberos) as UTF8 string. It might however be prepended by junk
// at the start of the string (0xfe"authentication_win_client"\0,
// see Bug#57442), this junk will be ignored. Target name can also
// be an empty string if server is not running in a domain environment,
// in this case authentication will fallback to NTLM.
// Note that 0xfe byte at the start could also indicate that windows
// authentication is not supported by sérver, we throw an exception
// if this happens.
packet = stream.ReadPacket();
byte b = packet.ReadByte();
if (b == 0xfe)
{
string authMethod = packet.ReadString();
if (authMethod.Equals(AuthenticationWindowsPlugin))
{
targetName = packet.ReadString(Encoding.UTF8);
}
else
{
// User has requested Windows authentication, bail out.
throw new MySqlException("unexpected authentication method " +
authMethod);
}
}
else
{
targetName = Encoding.UTF8.GetString(packet.Buffer, 0, packet.Buffer.Length);
}
// Do SSPI authentication handshake
SSPI sspi = new SSPI(targetName, stream.BaseStream, stream.SequenceByte, version);
sspi.AuthenticateClient();
// read ok packet.
packet = stream.ReadPacket();
ReadOk(false);
}
public void Open()
{
// connect to one of our specified hosts
try
{
baseStream = StreamCreator.GetStream(Settings);
//#if !CF && !RT
// if (Settings.IncludeSecurityAsserts)
// MySqlSecurityPermission.CreatePermissionSet(false).Assert();
//#endif
}
catch (System.Security.SecurityException)
{
throw;
}
catch (Exception ex)
{
throw new MySqlException("Resources.UnableToConnectToHost",
(int)MySqlErrorCode.UnableToConnectToHost, ex);
}
if (baseStream == null)
{
throw new MySqlException("Resources.UnableToConnectToHost",
(int)MySqlErrorCode.UnableToConnectToHost);
}
int maxSinglePacket = 255 * 255 * 255;
stream = new MySqlStream(baseStream, Encoding, false);
stream.ResetTimeout((int)Settings.ConnectionTimeout * 1000);
// read off the welcome packet and parse out it's values
packet = stream.ReadPacket();
int protocol = packet.ReadByte();
string versionString = packet.ReadString();
owner.isFabric = versionString.EndsWith("fabric", StringComparison.OrdinalIgnoreCase);
version = DBVersion.Parse(versionString);
if (!owner.isFabric && !version.isAtLeast(5, 0, 0))
{
throw new NotSupportedException("Resources.ServerTooOld");
}
threadId = packet.ReadInteger(4);
byte[] seedPart1 = packet.ReadStringAsBytes();
maxSinglePacket = (256 * 256 * 256) - 1;
// read in Server capabilities if they are provided
ClientFlags serverCaps = 0;
if (packet.HasMoreData)
{
serverCaps = (ClientFlags)packet.ReadInteger(2);
}
/* New protocol with 16 bytes to describe server characteristics */
owner.ConnectionCharSetIndex = (int)packet.ReadByte();
serverStatus = (ServerStatusFlags)packet.ReadInteger(2);
// Since 5.5, high bits of server caps are stored after status.
// Previously, it was part of reserved always 0x00 13-byte filler.
uint serverCapsHigh = (uint)packet.ReadInteger(2);
serverCaps |= (ClientFlags)(serverCapsHigh << 16);
packet.Position += 11;
byte[] seedPart2 = packet.ReadStringAsBytes();
encryptionSeed = new byte[seedPart1.Length + seedPart2.Length];
seedPart1.CopyTo(encryptionSeed, 0);
seedPart2.CopyTo(encryptionSeed, seedPart1.Length);
string authenticationMethod = "";
if ((serverCaps & ClientFlags.PLUGIN_AUTH) != 0)
{
authenticationMethod = packet.ReadString();
}
else
{
// Some MySql versions like 5.1, don't give name of plugin, default to native password.
authenticationMethod = "mysql_native_password";
}
// based on our settings, set our connection flags
SetConnectionFlags(serverCaps);
packet.Clear();
packet.WriteInteger((int)connectionFlags, 4);
packet.WriteInteger(maxSinglePacket, 4);
packet.WriteByte(33); //character set utf-8
packet.Write(new byte[23]);
#if !CF && !RT
if ((serverCaps & ClientFlags.SSL) == 0)
{
if ((Settings.SslMode != MySqlSslMode.None) &&
(Settings.SslMode != MySqlSslMode.Preferred))
{
// Client requires SSL connections.
string message = String.Format("Resources.NoServerSSLSupport",
Settings.Server);
throw new MySqlException(message);
}
}
else if (Settings.SslMode != MySqlSslMode.None)
{
stream.SendPacket(packet);
StartSSL();
packet.Clear();
packet.WriteInteger((int)connectionFlags, 4);
packet.WriteInteger(maxSinglePacket, 4);
packet.WriteByte(33); //character set utf-8
packet.Write(new byte[23]);
}
#endif
#if RT
if (Settings.SslMode != MySqlSslMode.None)
{
throw new NotImplementedException("SSL not supported in this WinRT release.");
}
#endif
Authenticate(authenticationMethod, false);
// if we are using compression, then we use our CompressedStream class
// to hide the ugliness of managing the compression
if ((connectionFlags & ClientFlags.COMPRESS) != 0)
{
stream = new MySqlStream(baseStream, Encoding, true);
}
// give our stream the server version we are connected to.
// We may have some fields that are read differently based
// on the version of the server we are connected to.
packet.Version = version;
stream.MaxBlockSize = maxSinglePacket;
}
IMySqlValue IMySqlValue.ReadValue(MySqlPacket packet, long length, bool nullVal)
{
if (nullVal)
return new MySqlUByte(true);
if (length == -1)
return new MySqlUByte((byte)packet.ReadByte());
else
return new MySqlUByte(Byte.Parse(packet.ReadString(length)));
}
void IMySqlValue.SkipValue(MySqlPacket packet)
{
packet.ReadByte();
}
void IMySqlValue.SkipValue(MySqlPacket packet)
{
int len = packet.ReadByte();
packet.Position += len;
}
IMySqlValue IMySqlValue.ReadValue(MySqlPacket packet, long length, bool nullVal)
{
if (nullVal) return new MySqlDateTime(type, true);
if (length >= 0)
{
var value = packet.ReadString(length);
return ParseMySql(value);
}
long bufLength = packet.ReadByte();
int year = 0, month = 0, day = 0;
int hour = 0, minute = 0, second = 0, millisecond = 0;
if (bufLength >= 4)
{
year = packet.ReadInteger(2);
month = packet.ReadByte();
day = packet.ReadByte();
}
if (bufLength > 4)
{
hour = packet.ReadByte();
minute = packet.ReadByte();
second = packet.ReadByte();
}
if (bufLength > 7)
{
millisecond = packet.Read3ByteInt();
packet.ReadByte();
}
return new MySqlDateTime(type, year, month, day, hour, minute, second, millisecond);
}
IMySqlValue IMySqlValue.ReadValue(MySqlPacket packet, long length, bool nullVal)
{
if (nullVal)
return new MySqlByte(true);
if (length == -1)
return new MySqlByte((sbyte)packet.ReadByte());
else
{
string s = packet.ReadString(length);
MySqlByte b = new MySqlByte(SByte.Parse(s, NumberStyles.Any, CultureInfo.InvariantCulture));
b.TreatAsBoolean = TreatAsBoolean;
return b;
}
}
public void Open()
{
//try
//{
// this.baseStream = StreamCreator.GetStream(this.Settings);
// if (this.Settings.IncludeSecurityAsserts)
// {
// MySqlSecurityPermission.CreatePermissionSet(false).Assert();
// }
//}
//catch (SecurityException)
//{
// throw;
//}
//catch (Exception inner)
//{
// throw new MySqlException(Resources.UnableToConnectToHost, 1042, inner);
//}
//if (this.baseStream == null)
//{
// throw new MySqlException(Resources.UnableToConnectToHost, 1042);
//}
//this.stream = new MySqlStream(this.baseStream, this.Encoding, false);
//this.stream.ResetTimeout((int)(this.Settings.ConnectionTimeout * 1000u));
//this.packet = this.stream.ReadPacket();
//this.packet.ReadByte();
//string text = this.packet.ReadString();
//this.owner.isFabric = text.EndsWith("fabric", StringComparison.OrdinalIgnoreCase);
//this.isEnterprise = text.ToLowerInvariant().Contains("-enterprise-");
//this.version = DBVersion.Parse(text);
//if (!this.owner.isFabric && !this.version.isAtLeast(5, 0, 0))
//{
// throw new NotSupportedException(Resources.ServerTooOld);
//}
//this.threadId = this.packet.ReadInteger(4);
//byte[] array = this.packet.ReadStringAsBytes();
//int num = 16777215;
//ClientFlags clientFlags = (ClientFlags)0uL;
//if (this.packet.HasMoreData)
//{
// clientFlags = (ClientFlags)((long)this.packet.ReadInteger(2));
//}
//this.owner.ConnectionCharSetIndex = (int)this.packet.ReadByte();
//this.serverStatus = (ServerStatusFlags)this.packet.ReadInteger(2);
//uint num2 = (uint)this.packet.ReadInteger(2);
//clientFlags |= (ClientFlags)(num2 << 16);
//this.packet.Position += 11;
//byte[] array2 = this.packet.ReadStringAsBytes();
//this.encryptionSeed = new byte[array.Length + array2.Length];
//array.CopyTo(this.encryptionSeed, 0);
//array2.CopyTo(this.encryptionSeed, array.Length);
//string authMethod;
//if ((clientFlags & ClientFlags.PLUGIN_AUTH) != (ClientFlags)0uL)
//{
// authMethod = this.packet.ReadString();
//}
//else
//{
// authMethod = "mysql_native_password";
//}
//this.SetConnectionFlags(clientFlags);
//this.packet.Clear();
//this.packet.WriteInteger((long)((int)this.connectionFlags), 4);
//this.packet.WriteInteger((long)num, 4);
//this.packet.WriteByte(33);
//this.packet.Write(new byte[23]);
//if ((clientFlags & ClientFlags.SSL) == (ClientFlags)0uL)
//{
// if (this.Settings.SslMode != MySqlSslMode.None && this.Settings.SslMode != MySqlSslMode.Preferred)
// {
// throw new MySqlException(string.Format(Resources.NoServerSSLSupport, this.Settings.Server));
// }
//}
//else if (this.Settings.SslMode != MySqlSslMode.None)
//{
// this.stream.SendPacket(this.packet);
// this.StartSSL();
// this.packet.Clear();
// this.packet.WriteInteger((long)((int)this.connectionFlags), 4);
// this.packet.WriteInteger((long)num, 4);
// this.packet.WriteByte(33);
// this.packet.Write(new byte[23]);
//}
//this.Authenticate(authMethod, false);
//if ((this.connectionFlags & ClientFlags.COMPRESS) != (ClientFlags)0uL)
//{
// this.stream = new MySqlStream(this.baseStream, this.Encoding, true);
//}
//this.packet.Version = this.version;
//this.stream.MaxBlockSize = num;
try
{
baseStream = StreamCreator.GetStream(Settings);
if (Settings.IncludeSecurityAsserts)
{
MySqlSecurityPermission.CreatePermissionSet(false).Assert();
}
}
catch (System.Security.SecurityException)
{
throw;
}
catch (Exception ex)
{
throw new MySqlException(Resources.UnableToConnectToHost,
1042, ex);
}
if (baseStream == null)
{
throw new MySqlException(Resources.UnableToConnectToHost,
1042);
}
int maxSinglePacket = 255 * 255 * 255;
stream = new MySqlStream(baseStream, Encoding, false);
stream.ResetTimeout((int)Settings.ConnectionTimeout * 1000);
// read off the welcome packet and parse out it's values
packet = stream.ReadPacket();
int protocol = packet.ReadByte();
string versionString = packet.ReadString();
owner.isFabric = versionString.EndsWith("fabric", StringComparison.OrdinalIgnoreCase);
version = DBVersion.Parse(versionString);
if (!owner.isFabric && !version.isAtLeast(5, 0, 0))
{
throw new NotSupportedException(Resources.ServerTooOld);
}
threadId = packet.ReadInteger(4);
byte[] array = this.packet.ReadStringAsBytes();
maxSinglePacket = (256 * 256 * 256) - 1;
// read in Server capabilities if they are provided
ClientFlags serverCaps = 0;
if (packet.HasMoreData)
{
serverCaps = (ClientFlags)packet.ReadInteger(2);
}
/* New protocol with 16 bytes to describe server characteristics */
owner.ConnectionCharSetIndex = (int)packet.ReadByte();
serverStatus = (ServerStatusFlags)packet.ReadInteger(2);
// Since 5.5, high bits of server caps are stored after status.
// Previously, it was part of reserved always 0x00 13-byte filler.
uint serverCapsHigh = (uint)packet.ReadInteger(2);
serverCaps |= (ClientFlags)(serverCapsHigh << 16);
packet.Position += 11;
byte[] array2 = this.packet.ReadStringAsBytes();
this.encryptionSeed = new byte[array.Length + array2.Length];
array.CopyTo(this.encryptionSeed, 0);
array2.CopyTo(this.encryptionSeed, array.Length);
string authenticationMethod = "";
if ((serverCaps & ClientFlags.PLUGIN_AUTH) != 0)
{
authenticationMethod = packet.ReadString();
}
else
{
// Some MyCat versions like 5.1, don't give name of plugin, default to native password.
authenticationMethod = "mysql_native_password";
}
// based on our settings, set our connection flags
SetConnectionFlags(serverCaps);
packet.Clear();
packet.WriteInteger((int)connectionFlags, 4);
if ((serverCaps & ClientFlags.SSL) == 0)
{
if ((Settings.SslMode != MySqlSslMode.None) &&
(Settings.SslMode != MySqlSslMode.Preferred))
{
// Client requires SSL connections.
string message = String.Format(Resources.NoServerSSLSupport,
Settings.Server);
throw new MySqlException(message);
}
}
else if (Settings.SslMode != MySqlSslMode.None)
{
stream.SendPacket(packet);
StartSSL();
packet.Clear();
packet.WriteInteger((int)connectionFlags, 4);
}
packet.WriteInteger(maxSinglePacket, 4);
packet.WriteByte(8);
packet.Write(new byte[23]);
Authenticate(authenticationMethod, false);
// if we are using compression, then we use our CompressedStream class
// to hide the ugliness of managing the compression
if ((connectionFlags & ClientFlags.COMPRESS) != 0)
{
stream = new MySqlStream(baseStream, Encoding, true);
}
// give our stream the server version we are connected to.
// We may have some fields that are read differently based
// on the version of the server we are connected to.
packet.Version = version;
stream.MaxBlockSize = maxSinglePacket;
}
public void Open()
{
// connect to one of our specified hosts
try
{
#if !CF
if (Settings.ConnectionProtocol == MySqlConnectionProtocol.SharedMemory)
{
SharedMemoryStream str = new SharedMemoryStream(Settings.SharedMemoryName);
str.Open(Settings.ConnectionTimeout);
baseStream = str;
}
else
{
#endif
string pipeName = Settings.PipeName;
if (Settings.ConnectionProtocol != MySqlConnectionProtocol.NamedPipe)
{
pipeName = null;
}
StreamCreator sc = new StreamCreator(Settings.Server, Settings.Port, pipeName,
Settings.Keepalive, this.Version);
#if !CF
MySqlSecurityPermission.CreatePermissionSet(false).Assert();
#endif
baseStream = sc.GetStream(Settings.ConnectionTimeout);
#if !CF
}
#endif
}
catch (System.Security.SecurityException)
{
throw;
}
catch (Exception ex)
{
throw new MySqlException(Resources.UnableToConnectToHost,
(int)MySqlErrorCode.UnableToConnectToHost, ex);
}
if (baseStream == null)
{
throw new MySqlException(Resources.UnableToConnectToHost,
(int)MySqlErrorCode.UnableToConnectToHost);
}
int maxSinglePacket = 255 * 255 * 255;
stream = new MySqlStream(baseStream, Encoding, false);
stream.ResetTimeout((int)Settings.ConnectionTimeout * 1000);
// read off the welcome packet and parse out it's values
packet = stream.ReadPacket();
int protocol = packet.ReadByte();
string versionString = packet.ReadString();
version = DBVersion.Parse(versionString);
if (!version.isAtLeast(5, 0, 0))
{
throw new NotSupportedException(Resources.ServerTooOld);
}
threadId = packet.ReadInteger(4);
encryptionSeed = packet.ReadString();
maxSinglePacket = (256 * 256 * 256) - 1;
// read in Server capabilities if they are provided
ClientFlags serverCaps = 0;
if (packet.HasMoreData)
{
serverCaps = (ClientFlags)packet.ReadInteger(2);
}
/* New protocol with 16 bytes to describe server characteristics */
owner.ConnectionCharSetIndex = (int)packet.ReadByte();
serverStatus = (ServerStatusFlags)packet.ReadInteger(2);
// Since 5.5, high bits of server caps are stored after status.
// Previously, it was part of reserved always 0x00 13-byte filler.
uint serverCapsHigh = (uint)packet.ReadInteger(2);
serverCaps |= (ClientFlags)(serverCapsHigh << 16);
packet.Position += 11;
string seedPart2 = packet.ReadString();
encryptionSeed += seedPart2;
string authenticationMethod = "";
if ((serverCaps & ClientFlags.PLUGIN_AUTH) != 0)
{
authenticationMethod = packet.ReadString();
}
// based on our settings, set our connection flags
SetConnectionFlags(serverCaps);
packet.Clear();
packet.WriteInteger((int)connectionFlags, 4);
#if !CF
if ((serverCaps & ClientFlags.SSL) == 0)
{
if ((Settings.SslMode != MySqlSslMode.None) &&
(Settings.SslMode != MySqlSslMode.Preferred))
{
// Client requires SSL connections.
string message = String.Format(Resources.NoServerSSLSupport,
Settings.Server);
throw new MySqlException(message);
}
}
else if (Settings.SslMode != MySqlSslMode.None)
{
stream.SendPacket(packet);
StartSSL();
packet.Clear();
packet.WriteInteger((int)connectionFlags, 4);
}
#endif
packet.WriteInteger(maxSinglePacket, 4);
packet.WriteByte(8);
packet.Write(new byte[23]);
Authenticate(false);
// if we are using compression, then we use our CompressedStream class
// to hide the ugliness of managing the compression
if ((connectionFlags & ClientFlags.COMPRESS) != 0)
{
stream = new MySqlStream(baseStream, Encoding, true);
}
// give our stream the server version we are connected to.
// We may have some fields that are read differently based
// on the version of the server we are connected to.
packet.Version = version;
stream.MaxBlockSize = maxSinglePacket;
}
IMySqlValue IMySqlValue.ReadValue(MySqlPacket packet, long length, bool nullVal)
{
if (nullVal) return new MySqlDateTime(type, true);
if (length >= 0)
{
string value = packet.ReadString(length);
return ParseMySql(value, packet.Version.isAtLeast(4, 1, 0));
}
long bufLength = packet.ReadByte();
int year = 0, month = 0, day = 0;
int hour = 0, minute = 0, second = 0;
if (bufLength >= 4)
{
year = packet.ReadInteger(2);
month = packet.ReadByte();
day = packet.ReadByte();
}
if (bufLength > 4)
{
hour = packet.ReadByte();
minute = packet.ReadByte();
second = packet.ReadByte();
}
if (bufLength > 7)
packet.ReadInteger(4);
return new MySqlDateTime(type, year, month, day, hour, minute, second);
}
public int PrepareStatement(string sql, ref MySqlField[] parameters)
{
//TODO: check this
//ClearFetchedRow();
packet.Length = sql.Length * 4 + 5;
byte[] buffer = packet.Buffer;
int len = Encoding.GetBytes(sql, 0, sql.Length, packet.Buffer, 5);
packet.Position = len + 5;
buffer[4] = (byte)DBCmd.PREPARE;
ExecutePacket(packet);
packet = stream.ReadPacket();
int marker = packet.ReadByte();
if (marker != 0)
throw new MySqlException("Expected prepared statement marker");
int statementId = packet.ReadInteger(4);
int numCols = packet.ReadInteger(2);
int numParams = packet.ReadInteger(2);
//TODO: find out what this is needed for
packet.ReadInteger(3);
if (numParams > 0)
{
parameters = owner.GetColumns(numParams);
// we set the encoding for each parameter back to our connection encoding
// since we can't trust what is coming back from the server
for (int i = 0; i < parameters.Length; i++)
parameters[i].Encoding = Encoding;
}
if (numCols > 0)
{
while (numCols-- > 0)
{
packet = stream.ReadPacket();
//TODO: handle streaming packets
}
ReadEOF();
}
return statementId;
}
private void GetColumnData(MySqlField field)
{
stream.Encoding = Encoding;
packet = stream.ReadPacket();
field.Encoding = Encoding;
field.CatalogName = packet.ReadLenString();
field.DatabaseName = packet.ReadLenString();
field.TableName = packet.ReadLenString();
field.RealTableName = packet.ReadLenString();
field.ColumnName = packet.ReadLenString();
field.OriginalColumnName = packet.ReadLenString();
packet.ReadByte();
field.CharacterSetIndex = packet.ReadInteger(2);
field.ColumnLength = packet.ReadInteger(4);
MySqlDbType type = (MySqlDbType)packet.ReadByte();
ColumnFlags colFlags;
if ((connectionFlags & ClientFlags.LONG_FLAG) != 0)
colFlags = (ColumnFlags)packet.ReadInteger(2);
else
colFlags = (ColumnFlags)packet.ReadByte();
field.Scale = (byte)packet.ReadByte();
if (packet.HasMoreData)
{
packet.ReadInteger(2); // reserved
}
if (type == MySqlDbType.Decimal || type == MySqlDbType.NewDecimal)
{
field.Precision = (byte)(field.ColumnLength - 2);
if ((colFlags & ColumnFlags.UNSIGNED) != 0)
field.Precision++;
}
field.SetTypeAndFlags(type, colFlags);
}
public void Open()
{
// connect to one of our specified hosts
try
{
#if !CF
if (Settings.ConnectionProtocol == MySqlConnectionProtocol.SharedMemory)
{
SharedMemoryStream str = new SharedMemoryStream(Settings.SharedMemoryName);
str.Open(Settings.ConnectionTimeout);
baseStream = str;
}
else
{
#endif
string pipeName = Settings.PipeName;
if (Settings.ConnectionProtocol != MySqlConnectionProtocol.NamedPipe)
pipeName = null;
StreamCreator sc = new StreamCreator(Settings.Server, Settings.Port, pipeName,
Settings.Keepalive, this.Version);
#if !CF
if (Settings.IncludeSecurityAsserts)
MySqlSecurityPermission.CreatePermissionSet(false).Assert();
#endif
baseStream = sc.GetStream(Settings.ConnectionTimeout);
#if !CF
}
#endif
}
catch (System.Security.SecurityException)
{
throw;
}
catch (Exception ex)
{
throw new MySqlException(Resources.UnableToConnectToHost,
(int)MySqlErrorCode.UnableToConnectToHost, ex);
}
if (baseStream == null)
throw new MySqlException(Resources.UnableToConnectToHost,
(int)MySqlErrorCode.UnableToConnectToHost);
int maxSinglePacket = 255 * 255 * 255;
stream = new MySqlStream(baseStream, Encoding, false);
stream.ResetTimeout((int)Settings.ConnectionTimeout * 1000);
// read off the welcome packet and parse out it's values
packet = stream.ReadPacket();
int protocol = packet.ReadByte();
string versionString = packet.ReadString();
version = DBVersion.Parse(versionString);
if (!version.isAtLeast(5, 0, 0))
throw new NotSupportedException(Resources.ServerTooOld);
threadId = packet.ReadInteger(4);
encryptionSeed = packet.ReadString();
maxSinglePacket = (256 * 256 * 256) - 1;
// read in Server capabilities if they are provided
ClientFlags serverCaps = 0;
if (packet.HasMoreData)
serverCaps = (ClientFlags)packet.ReadInteger(2);
/* New protocol with 16 bytes to describe server characteristics */
owner.ConnectionCharSetIndex = (int)packet.ReadByte();
serverStatus = (ServerStatusFlags)packet.ReadInteger(2);
// Since 5.5, high bits of server caps are stored after status.
// Previously, it was part of reserved always 0x00 13-byte filler.
uint serverCapsHigh = (uint)packet.ReadInteger(2);
serverCaps |= (ClientFlags)(serverCapsHigh << 16);
packet.Position += 11;
string seedPart2 = packet.ReadString();
encryptionSeed += seedPart2;
string authenticationMethod = "";
if ((serverCaps & ClientFlags.PLUGIN_AUTH) != 0)
{
authenticationMethod = packet.ReadString();
}
else
{
// Some MySql versions like 5.1, don't give name of plugin, default to native password.
authenticationMethod = "mysql_native_password";
}
// based on our settings, set our connection flags
SetConnectionFlags(serverCaps);
packet.Clear();
packet.WriteInteger((int)connectionFlags, 4);
#if !CF
if ((serverCaps & ClientFlags.SSL) == 0)
{
if ((Settings.SslMode != MySqlSslMode.None)
&& (Settings.SslMode != MySqlSslMode.Preferred))
{
// Client requires SSL connections.
string message = String.Format(Resources.NoServerSSLSupport,
Settings.Server);
throw new MySqlException(message);
}
}
else if (Settings.SslMode != MySqlSslMode.None)
{
stream.SendPacket(packet);
StartSSL();
packet.Clear();
packet.WriteInteger((int)connectionFlags, 4);
}
#endif
packet.WriteInteger(maxSinglePacket, 4);
packet.WriteByte(8);
packet.Write(new byte[23]);
Authenticate(authenticationMethod, false);
// if we are using compression, then we use our CompressedStream class
// to hide the ugliness of managing the compression
if ((connectionFlags & ClientFlags.COMPRESS) != 0)
stream = new MySqlStream(baseStream, Encoding, true);
// give our stream the server version we are connected to.
// We may have some fields that are read differently based
// on the version of the server we are connected to.
packet.Version = version;
stream.MaxBlockSize = maxSinglePacket;
}
IMySqlValue IMySqlValue.ReadValue(MySqlPacket packet, long length, bool nullVal)
{
if (nullVal) return new MySqlTimeSpan(true);
if (length >= 0)
{
string value = packet.ReadString(length);
ParseMySql(value);
return this;
}
long bufLength = packet.ReadByte();
int negate = 0;
if (bufLength > 0)
negate = packet.ReadByte();
isNull = false;
if (bufLength == 0)
isNull = true;
else if (bufLength == 5)
mValue = new TimeSpan(packet.ReadInteger(4), 0, 0, 0);
else if (bufLength == 8)
mValue = new TimeSpan(packet.ReadInteger(4),
packet.ReadByte(), packet.ReadByte(), packet.ReadByte());
else
mValue = new TimeSpan(packet.ReadInteger(4),
packet.ReadByte(), packet.ReadByte(), packet.ReadByte(),
packet.ReadInteger(4) / 1000000);
if (negate == 1)
mValue = mValue.Negate();
return this;
}
public void Open()
{
// connect to one of our specified hosts
try
{
baseStream = StreamCreator.GetStream(Settings);
//#if !CF && !RT
// if (Settings.IncludeSecurityAsserts)
// MySqlSecurityPermission.CreatePermissionSet(false).Assert();
//#endif
}
catch (System.Security.SecurityException)
{
throw;
}
catch (Exception ex)
{
throw new MySqlException("Resources.UnableToConnectToHost",
(int)MySqlErrorCode.UnableToConnectToHost, ex);
}
if (baseStream == null)
throw new MySqlException("Resources.UnableToConnectToHost",
(int)MySqlErrorCode.UnableToConnectToHost);
int maxSinglePacket = 255 * 255 * 255;
stream = new MySqlStream(baseStream, Encoding, false);
stream.ResetTimeout((int)Settings.ConnectionTimeout * 1000);
// read off the welcome packet and parse out it's values
packet = stream.ReadPacket();
int protocol = packet.ReadByte();
string versionString = packet.ReadString();
owner.isFabric = versionString.EndsWith("fabric", StringComparison.OrdinalIgnoreCase);
version = DBVersion.Parse(versionString);
if (!owner.isFabric && !version.isAtLeast(5, 0, 0))
throw new NotSupportedException("Resources.ServerTooOld");
threadId = packet.ReadInteger(4);
byte[] seedPart1 = packet.ReadStringAsBytes();
maxSinglePacket = (256 * 256 * 256) - 1;
// read in Server capabilities if they are provided
ClientFlags serverCaps = 0;
if (packet.HasMoreData)
serverCaps = (ClientFlags)packet.ReadInteger(2);
/* New protocol with 16 bytes to describe server characteristics */
owner.ConnectionCharSetIndex = (int)packet.ReadByte();
serverStatus = (ServerStatusFlags)packet.ReadInteger(2);
// Since 5.5, high bits of server caps are stored after status.
// Previously, it was part of reserved always 0x00 13-byte filler.
uint serverCapsHigh = (uint)packet.ReadInteger(2);
serverCaps |= (ClientFlags)(serverCapsHigh << 16);
packet.Position += 11;
byte[] seedPart2 = packet.ReadStringAsBytes();
encryptionSeed = new byte[seedPart1.Length + seedPart2.Length];
seedPart1.CopyTo(encryptionSeed, 0);
seedPart2.CopyTo(encryptionSeed, seedPart1.Length);
string authenticationMethod = "";
if ((serverCaps & ClientFlags.PLUGIN_AUTH) != 0)
{
authenticationMethod = packet.ReadString();
}
else
{
// Some MySql versions like 5.1, don't give name of plugin, default to native password.
authenticationMethod = "mysql_native_password";
}
// based on our settings, set our connection flags
SetConnectionFlags(serverCaps);
packet.Clear();
packet.WriteInteger((int)connectionFlags, 4);
packet.WriteInteger(maxSinglePacket, 4);
packet.WriteByte(33); //character set utf-8
packet.Write(new byte[23]);
#if !CF && !RT
if ((serverCaps & ClientFlags.SSL) == 0)
{
if ((Settings.SslMode != MySqlSslMode.None)
&& (Settings.SslMode != MySqlSslMode.Preferred))
{
// Client requires SSL connections.
string message = String.Format("Resources.NoServerSSLSupport",
Settings.Server);
throw new MySqlException(message);
}
}
else if (Settings.SslMode != MySqlSslMode.None)
{
stream.SendPacket(packet);
StartSSL();
packet.Clear();
packet.WriteInteger((int)connectionFlags, 4);
packet.WriteInteger(maxSinglePacket, 4);
packet.WriteByte(33); //character set utf-8
packet.Write(new byte[23]);
}
#endif
#if RT
if (Settings.SslMode != MySqlSslMode.None)
{
throw new NotImplementedException("SSL not supported in this WinRT release.");
}
#endif
Authenticate(authenticationMethod, false);
// if we are using compression, then we use our CompressedStream class
// to hide the ugliness of managing the compression
if ((connectionFlags & ClientFlags.COMPRESS) != 0)
stream = new MySqlStream(baseStream, Encoding, true);
// give our stream the server version we are connected to.
// We may have some fields that are read differently based
// on the version of the server we are connected to.
packet.Version = version;
stream.MaxBlockSize = maxSinglePacket;
}
public void Open()
{
// connect to one of our specified hosts
try
{
#if !CF
if (Settings.ConnectionProtocol == MySqlConnectionProtocol.SharedMemory)
{
SharedMemoryStream str = new SharedMemoryStream(Settings.SharedMemoryName);
str.Open(Settings.ConnectionTimeout);
baseStream = str;
}
else
{
#endif
string pipeName = Settings.PipeName;
if (Settings.ConnectionProtocol != MySqlConnectionProtocol.NamedPipe)
pipeName = null;
StreamCreator sc = new StreamCreator(Settings.Server, Settings.Port, pipeName,
Settings.Keepalive);
baseStream = sc.GetStream(Settings.ConnectionTimeout);
#if !CF
}
#endif
}
catch (Exception ex)
{
throw new MySqlException(MySqlResources.UnableToConnectToHost,
(int) MySqlErrorCode.UnableToConnectToHost, ex);
}
if (baseStream == null)
throw new MySqlException(MySqlResources.UnableToConnectToHost,
(int)MySqlErrorCode.UnableToConnectToHost);
int maxSinglePacket = 255*255*255;
stream = new MySqlStream(baseStream, Encoding, false);
stream.ResetTimeout((int)Settings.ConnectionTimeout*1000);
// read off the welcome packet and parse out it's values
packet = stream.ReadPacket();
int protocol = packet.ReadByte();
string versionString = packet.ReadString();
version = DBVersion.Parse(versionString);
if (!version.isAtLeast(4, 1, 1))
throw new NotSupportedException(MySqlResources.ServerTooOld);
threadId = packet.ReadInteger(4);
encryptionSeed = packet.ReadString();
maxSinglePacket = (256*256*256) - 1;
// read in Server capabilities if they are provided
ClientFlags serverCaps = 0;
if (packet.HasMoreData)
serverCaps = (ClientFlags) packet.ReadInteger(2);
/* New protocol with 16 bytes to describe server characteristics */
owner.ConnectionCharSetIndex = (int)packet.ReadByte();
serverStatus = (ServerStatusFlags) packet.ReadInteger(2);
packet.Position += 13;
string seedPart2 = packet.ReadString();
encryptionSeed += seedPart2;
// based on our settings, set our connection flags
SetConnectionFlags(serverCaps);
packet.Clear();
packet.WriteInteger((int) connectionFlags, 4);
#if !CF
if ((serverCaps & ClientFlags.SSL) ==0)
{
if ((Settings.SslMode != MySqlSslMode.None)
&& (Settings.SslMode != MySqlSslMode.Preferred))
{
// Client requires SSL connections.
string message = String.Format(MySqlResources.NoServerSSLSupport,
Settings.Server);
throw new MySqlException(message);
}
}
else if (Settings.SslMode != MySqlSslMode.None)
{
stream.SendPacket(packet);
StartSSL();
packet.Clear();
packet.WriteInteger((int) connectionFlags, 4);
}
#endif
packet.WriteInteger(maxSinglePacket, 4);
packet.WriteByte(8);
packet.Write(new byte[23]);
Authenticate();
// if we are using compression, then we use our CompressedStream class
// to hide the ugliness of managing the compression
if ((connectionFlags & ClientFlags.COMPRESS) != 0)
stream = new MySqlStream(baseStream, Encoding, true);
// give our stream the server version we are connected to.
// We may have some fields that are read differently based
// on the version of the server we are connected to.
packet.Version = version;
stream.MaxBlockSize = maxSinglePacket;
}
private void AuthenticateSSPI()
{
string targetName = ""; // target name (required by Kerberos)
// First packet sent by server should include target name (for
// Kerberos) as UTF8 string. It might however be prepended by junk
// at the start of the string (0xfe"authentication_win_client"\0,
// see Bug#57442), this junk will be ignored. Target name can also
// be an empty string if server is not running in a domain environment,
// in this case authentication will fallback to NTLM.
// Note that 0xfe byte at the start could also indicate that windows
// authentication is not supported by sérver, we throw an exception
// if this happens.
packet = stream.ReadPacket();
byte b = packet.ReadByte();
if (b == 0xfe)
{
string authMethod = packet.ReadString();
if (authMethod.Equals(AuthenticationWindowsPlugin))
{
targetName = packet.ReadString(Encoding.UTF8);
}
else
{
// User has requested Windows authentication, bail out.
throw new MySqlException("unexpected authentication method " +
authMethod);
}
}
else
{
targetName = Encoding.UTF8.GetString(packet.Buffer, 0, packet.Buffer.Length);
}
// Do SSPI authentication handshake
SSPI sspi = new SSPI(targetName, stream.BaseStream, stream.SequenceByte, version);
sspi.AuthenticateClient();
// read ok packet.
packet = stream.ReadPacket();
ReadOk(false);
}