/*
* Copyright (c) 2013, OpenCloudDB/MyCAT and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software;Designed and Developed mainly by many Chinese
* opensource volunteers. you can redistribute it and/or modify it under the
* terms of the GNU General Public License version 2 only, as published by the
* Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Any questions about this component can be directed to it's project Web address
* https://code.google.com/p/opencloudb/.
*
*/
package com.talent.mysql.packet.request;
import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;
import java.nio.ByteOrder;
import java.security.NoSuchAlgorithmException;
import java.util.Arrays;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.talent.balance.conf.BackendConf;
import com.talent.balance.conf.BackendServerConf;
import com.talent.mysql.packet.MysqlRequestPacket;
import com.talent.mysql.packet.factory.MysqlHeaderFactory;
import com.talent.mysql.packet.factory.MysqlHeaderFactory.MysqlHeader;
import com.talent.mysql.packet.response.HandshakePacket;
import com.talent.mysql.utils.Capabilities;
import com.talent.mysql.utils.SecurityUtil;
import com.talent.nio.communicate.intf.DecoderIntf.DecodeException;
/**
*
40 00 00 //数据长度，3字节，0x40=64字节<br>
01 //序号，1字节，同一个动作的所有请求与响应会递增此值<br>
8D A6 03 00 //客户端支持的属性，4字节，枚举参见网站<br>
FF FF FF 00 //最大数据包长度，4字节，0xffffff=16777215=约16MB<br>
21 //字符集，1字节，0x21=33=utf8<br>
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 //固定填充0，23字节<br>
74 65 73 74 00 //用户名，\0结尾的字符串，内容为test<br>
14 //密码串长度，1字节，0x14=20字节<br>
B4 2F BB 65 7A D4 55 BA 9E E4 4B 34 A3 2C F6 58 92 7A A7 A2 //密码的加密串，20字节(算法见后)<br>
76 6D 6E 70 6E 00 //初始数据库，\0结尾的字符串，内容为vmnpn<br>
*
* @see http://dev.mysql.com/doc/internals/en/connection-phase-packets.html#packet-Protocol::HandshakeResponse
* @filename: com.talent.mysql.packet.request.AuthPacket
* @copyright: Copyright (c)2010
* @company: talent
* @author: 谭耀武
* @version: 1.0
* @create time: 2013年12月26日 下午5:19:13
* @record
* <table cellPadding="3" cellSpacing="0" style="width:600px">
* <thead style="font-weight:bold;background-color:#e3e197">
* <tr> <td>date</td> <td>author</td> <td>version</td> <td>description</td></tr>
* </thead>
* <tbody style="background-color:#ffffeb">
* <tr><td>2013年12月26日</td> <td>谭耀武</td> <td>1.0</td> <td>create</td></tr>
* </tbody>
* </table>
*/
public class AuthPacket extends MysqlRequestPacket
{
/**
*
*/
private static final long serialVersionUID = -474477733084620969L;
private static final long CLIENT_FLAGS = initClientFlags();
private static Logger log = LoggerFactory.getLogger(AuthPacket.class);
public long clientFlags = CLIENT_FLAGS; //172939;//
public long maxPacketSize = 15 * 1024 * 1024; //1073741824;//
public byte charsetIndex;
public byte[] extra = new byte[23]; //固定填充0，23字节<br>
public byte[] user;
public byte passwordLen;
public byte[] password;
public byte[] database;
private static long initClientFlags()
{
long flag = 0;
flag |= Capabilities.CLIENT_LONG_PASSWORD;
flag |= Capabilities.CLIENT_FOUND_ROWS;
flag |= Capabilities.CLIENT_LONG_FLAG;
flag |= Capabilities.CLIENT_CONNECT_WITH_DB;
// flag |= Capabilities.CLIENT_NO_SCHEMA;
// flag |= Capabilities.CLIENT_COMPRESS;
flag |= Capabilities.CLIENT_ODBC;
// flag |= Capabilities.CLIENT_LOCAL_FILES;
flag |= Capabilities.CLIENT_IGNORE_SPACE;
flag |= Capabilities.CLIENT_PROTOCOL_41;
flag |= Capabilities.CLIENT_INTERACTIVE;
// flag |= Capabilities.CLIENT_SSL;
flag |= Capabilities.CLIENT_IGNORE_SIGPIPE;
flag |= Capabilities.CLIENT_TRANSACTIONS;
// flag |= Capabilities.CLIENT_RESERVED;
flag |= Capabilities.CLIENT_SECURE_CONNECTION;
// client extension
// flag |= Capabilities.CLIENT_MULTI_STATEMENTS;
// flag |= Capabilities.CLIENT_MULTI_RESULTS;
return flag;
}
public int bodyLenth()
{
// return 4 + 4 + 1 + 23 + user.length + 1 + 1 + 20 + database.length + 1;
return 55 + user.length + database.length;
}
/**
*
*/
public AuthPacket()
{
}
/**
* @param args
*/
public static void main(String[] args)
{
AuthPacket authPacket1 = new AuthPacket();
authPacket1.decodeBody(null);
byte[] bs = new byte[] { 82, 0, 0, 0, 10, 49, 48, 46, 48, 46, 49, 45, 77, 97, 114, 105, 97, 68, 66, 0, -98, 1,
0, 0, 110, 104, 61, 56, 64, 122, 101, 107, 0, -1, -9, 8, 2, 0, 15, -96, 21, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 105, 78, 41, 35, 111, 43, 39, 124, 98, 82, 87, 60, 0, 109, 121, 115, 113, 108, 95, 110, 97, 116,
105, 118, 101, 95, 112, 97, 115, 115, 119, 111, 114, 100, 0 };
ByteBuf byteBuf = Unpooled.buffer(bs.length);
byteBuf = byteBuf.order(ByteOrder.LITTLE_ENDIAN);
byteBuf.setBytes(0, bs);
HandshakePacket handshakePacket = new HandshakePacket();
try
{
handshakePacket.decode(byteBuf);
byteBuf.readerIndex(0);
} catch (DecodeException e)
{
e.printStackTrace();
}
BackendConf backendConf = BackendConf.getInstance();
BackendServerConf backendServerConf = backendConf.getServers()[0];
AuthPacket authPacket = new AuthPacket();
authPacket.charsetIndex = (byte) (handshakePacket.charset & 0xff);
authPacket.user = backendServerConf.getProps().get("user").getBytes();
try
{
authPacket.password = getPass(backendServerConf.getProps().get("pwd"), handshakePacket);
} catch (NoSuchAlgorithmException e)
{
e.printStackTrace();
}
authPacket.passwordLen = (byte) authPacket.password.length;
authPacket.database = backendServerConf.getProps().get("db").getBytes();
ByteBuf byteBuf1 = authPacket.encode();
System.out.println(Arrays.toString(byteBuf1.array()));
}
public static final byte[] getPass(String pass, HandshakePacket hs) throws NoSuchAlgorithmException
{
if (pass == null || pass.length() == 0)
{
return null;
}
byte[] passwd = pass.getBytes();
int sl1 = hs.encrypt1.length;
int sl2 = hs.encrypt2.length;
byte[] seed = new byte[sl1 + sl2];
System.arraycopy(hs.encrypt1, 0, seed, 0, sl1);
System.arraycopy(hs.encrypt2, 0, seed, sl1, sl2);
return SecurityUtil.scramble411(passwd, seed);
// if (src == null || src.length() == 0)
// {
// return null;
// }
// byte[] passwd = src.getBytes();
// int sl1 = handshakePacket.encrypt1.length;
// int sl2 = handshakePacket.authPluginName.length;
// byte[] seed = new byte[sl1 + sl2];
// System.arraycopy(handshakePacket.encrypt1, 0, seed, 0, sl1);
// System.arraycopy(handshakePacket.authPluginName, 0, seed, sl1, sl2);
// return SecurityUtil.scramble411(passwd, seed);
}
@Override
public void encodeBody(ByteBuf byteBuf)
{
int index = byteBuf.readerIndex();
String xx = Long.toBinaryString(clientFlags);
byteBuf.setLong(index, clientFlags);
index += 4;
byteBuf.setLong(index, maxPacketSize);
index += 4;
byteBuf.setByte(index, charsetIndex);
index++;
byteBuf.setBytes(index, extra);
index += extra.length;
byteBuf.setBytes(index, user);
index += user.length;
byteBuf.setByte(index, 0);
index++;
byteBuf.setByte(index, passwordLen);
index++;
byteBuf.setBytes(index, password);
index += password.length;
byteBuf.setBytes(index, database);
index += database.length;
byteBuf.setByte(index, 0);
index++;
}
public void decodeBody(ByteBuf _byteBuf)
{
byte[] bs = new byte[] { -117, -93, 2, 0, 0, 0, 0, 64, 33, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 114, 111, 111, 116, 0, 20, -19, -111, -3, 39, -46, -116, -128, -44, -112,
-26, -48, 42, 70, -85, 8, 83, 83, 100, 103, 68, 116, 97, 108, 101, 110, 116, 95, 98, 97, 115, 101, 119,
101, 98, 50, 48, 49, 0 };
ByteBuf byteBuf = Unpooled.buffer(bs.length);
byteBuf = byteBuf.order(ByteOrder.LITTLE_ENDIAN);
byteBuf.setBytes(0, bs, 0, bs.length);
int _index = byteBuf.readerIndex();
int index = _index;
clientFlags = byteBuf.getInt(index); //172939
index += 4;
maxPacketSize = byteBuf.getInt(index); //1073741824
index += 4;
charsetIndex = byteBuf.getByte(index); //33
index += 1;
index += extra.length;
int len = 0;
while (byteBuf.getByte(index+len) != 0)
{
len++;
}
user = new byte[len];
byteBuf.getBytes(index, user, 0, len);
index += len;
index++;
passwordLen = byteBuf.getByte(index);
index += 1;
password = new byte[passwordLen];
byteBuf.getBytes(index, password, 0, passwordLen);
len = 0;
while (byteBuf.getByte(index+len) != 0)
{
len++;
}
database = new byte[len];
byteBuf.getBytes(index, database, 0, len);
index += len;
index++;
}
@Override
public MysqlHeader createHeader()
{
MysqlHeader mysqlHeader = MysqlHeaderFactory.borrow(bodyLenth(), (byte) 1);
return mysqlHeader;
}
}