public static HandshakeV10 Parse(ref PacketReader reader)
{
var handshakeV10 = new HandshakeV10();
handshakeV10.ProtocolVersion = reader.ReadByte();
handshakeV10.ServerVersion = reader.ReadNullTerminatedString();
handshakeV10.ConnectionId = reader.ReadUInt32();
handshakeV10.AuthPluginData = reader.ReadBytes(8);
reader.ReadNext(1);
var capabilityFlagsLow = reader.ReadUInt16();
handshakeV10.CapabilityFlags = (CapabilitiesFlags)capabilityFlagsLow;
if (reader.Remaining > 0)
{
handshakeV10.CharacterSet = (CharacterSet)reader.ReadByte();
handshakeV10.StatusFlags = reader.ReadBytes(2);
var capabilityFlagsHigh = reader.ReadUInt16();
handshakeV10.CapabilityFlags |= (CapabilitiesFlags)(capabilityFlagsHigh << 16);
int pluginDataLength = 0;
if ((handshakeV10.CapabilityFlags & CapabilitiesFlags.PluginAuth) != 0)
{
pluginDataLength = reader.ReadByte();
}
else
{
reader.ReadNext(1);
}
reader.ReadNext(10);
if ((handshakeV10.CapabilityFlags & CapabilitiesFlags.SecureConnection) != 0)
{
var part2 = reader.ReadBytes(Math.Max(13, pluginDataLength - 8));
var temp = new byte[handshakeV10.AuthPluginData.Length + part2.Length];
Buffer.BlockCopy(handshakeV10.AuthPluginData, 0, temp, 0, handshakeV10.AuthPluginData.Length);
Buffer.BlockCopy(part2, 0, temp, handshakeV10.AuthPluginData.Length, part2.Length);
handshakeV10.AuthPluginData = temp;
}
if ((handshakeV10.CapabilityFlags & CapabilitiesFlags.PluginAuth) != 0)
{
handshakeV10.AuthPluginName = reader.ReadNullTerminatedString();
}
}
return(handshakeV10);
}
public static HandshakeV10 ReadHandshakeV10(ref PacketReader reader)
{
return(HandshakeV10.Parse(ref reader));
}
public static void WriteHandshakeResponse41(ref PacketWriter writer, MySqlConnectionOptions options, HandshakeV10 initialHandshake)
{
// writer.WriteInt32((int)CapabilitiesFlags.Protocol41); // TODO:other flags
// currently this code is borrowed from async MySQLConnector
writer.WriteInt32((int)(
CapabilitiesFlags.Protocol41 |
CapabilitiesFlags.LongPassword |
CapabilitiesFlags.SecureConnection |
(initialHandshake.CapabilityFlags & CapabilitiesFlags.PluginAuth) |
(initialHandshake.CapabilityFlags & CapabilitiesFlags.PluginAuthLenencClientData) |
CapabilitiesFlags.MultiStatements |
CapabilitiesFlags.MultiResults |
CapabilitiesFlags.PSMultiResults |
CapabilitiesFlags.LocalFiles |
(string.IsNullOrWhiteSpace(options.Database) ? 0 : CapabilitiesFlags.ConnectWithDB) // |
//(cs.UseAffectedRows ? 0 : CapabilitiesFlags.FoundRows) |
//(cs.UseCompression ? CapabilitiesFlags.Compress : CapabilitiesFlags.None) |
//additionalCapabilities
));
writer.WriteInt32(0x40000000); // TODO:max packet size
writer.WriteByte((byte)CharacterSet.utf8mb4_bin);
writer.WriteBytes(Empty23Bytes);
writer.WriteNullTerminatedString(options.UserId);
if (initialHandshake.CapabilityFlags.HasFlag(CapabilitiesFlags.PluginAuthLenencClientData))
{
var auth = CraeateNative41AuthResponse(initialHandshake.AuthPluginData, options.Password);
writer.WriteByte((byte)auth.Length);
writer.WriteBytes(auth);
}
else
{
writer.WriteByte(1);
}
if (initialHandshake.CapabilityFlags.HasFlag(CapabilitiesFlags.ConnectWithDB))
{
writer.WriteNullTerminatedString(options.Database);
}
if (initialHandshake.CapabilityFlags.HasFlag(CapabilitiesFlags.PluginAuth))
{
writer.WriteNullTerminatedString(initialHandshake.AuthPluginName);
}
if (initialHandshake.CapabilityFlags.HasFlag(CapabilitiesFlags.ConnectAttrs))
{
// TODO:other attributes...
}
}
