Examples with AuthPacket io.mycat.net.mysql.AuthPacket used on opensource projects

Example 1 with AuthPacket

use of io.mycat.net.mysql.AuthPacket in project Mycat-Server by MyCATApache.

the class FrontendAuthenticator method handle.

@Override
public void handle(byte[] data) {
    // check quit packet
    if (data.length == QuitPacket.QUIT.length && data[4] == MySQLPacket.COM_QUIT) {
        source.close("quit packet");
        return;
    }
    AuthPacket auth = new AuthPacket();
    auth.read(data);
    // check user
    if (!checkUser(auth.user, source.getHost())) {
        failure(ErrorCode.ER_ACCESS_DENIED_ERROR, "Access denied for user '" + auth.user + "' with host '" + source.getHost() + "'");
        return;
    }
    // check password
    if (!checkPassword(auth.password, auth.user)) {
        failure(ErrorCode.ER_ACCESS_DENIED_ERROR, "Access denied for user '" + auth.user + "', because password is error ");
        return;
    }
    // check degrade
    if (isDegrade(auth.user)) {
        failure(ErrorCode.ER_ACCESS_DENIED_ERROR, "Access denied for user '" + auth.user + "', because service be degraded ");
        return;
    }
    // check schema
    switch(checkSchema(auth.database, auth.user)) {
        case ErrorCode.ER_BAD_DB_ERROR:
            failure(ErrorCode.ER_BAD_DB_ERROR, "Unknown database '" + auth.database + "'");
            break;
        case ErrorCode.ER_DBACCESS_DENIED_ERROR:
            String s = "Access denied for user '" + auth.user + "' to database '" + auth.database + "'";
            failure(ErrorCode.ER_DBACCESS_DENIED_ERROR, s);
            break;
        default:
            success(auth);
    }
}

Example 2 with AuthPacket

use of io.mycat.net.mysql.AuthPacket in project Mycat-Server by MyCATApache.

the class MySQLDataSource method testConnection.

@Override
public boolean testConnection(String schema) throws IOException {
    boolean isConnected = true;
    Socket socket = null;
    InputStream in = null;
    OutputStream out = null;
    try {
        socket = new Socket(this.getConfig().getIp(), this.getConfig().getPort());
        socket.setSoTimeout(1000 * 20);
        socket.setReceiveBufferSize(32768);
        socket.setSendBufferSize(32768);
        socket.setTcpNoDelay(true);
        socket.setKeepAlive(true);
        in = new BufferedInputStream(socket.getInputStream(), 32768);
        out = new BufferedOutputStream(socket.getOutputStream(), 32768);
        /**
	         * Phase 1: MySQL to client. Send handshake packet.
	        */
        BinaryPacket bin1 = new BinaryPacket();
        bin1.read(in);
        HandshakePacket handshake = new HandshakePacket();
        handshake.read(bin1);
        /**
	         * Phase 2: client to MySQL. Send auth packet.
	         */
        AuthPacket authPacket = new AuthPacket();
        authPacket.packetId = 1;
        authPacket.clientFlags = getClientFlags();
        authPacket.maxPacketSize = 1024 * 1024 * 16;
        authPacket.charsetIndex = handshake.serverCharsetIndex & 0xff;
        authPacket.user = this.getConfig().getUser();
        ;
        try {
            authPacket.password = passwd(this.getConfig().getPassword(), handshake);
        } catch (NoSuchAlgorithmException e) {
            throw new RuntimeException(e.getMessage());
        }
        authPacket.database = schema;
        authPacket.write(out);
        out.flush();
        /**
	         * Phase 3: MySQL to client. send OK/ERROR packet.
	         */
        BinaryPacket bin2 = new BinaryPacket();
        bin2.read(in);
        switch(bin2.data[0]) {
            case OkPacket.FIELD_COUNT:
                break;
            case ErrorPacket.FIELD_COUNT:
                ErrorPacket err = new ErrorPacket();
                err.read(bin2);
                isConnected = false;
            case EOFPacket.FIELD_COUNT:
                // 发送323响应认证数据包
                Reply323Packet r323 = new Reply323Packet();
                r323.packetId = ++bin2.packetId;
                String passwd = this.getConfig().getPassword();
                if (passwd != null && passwd.length() > 0) {
                    r323.seed = SecurityUtil.scramble323(passwd, new String(handshake.seed)).getBytes();
                }
                r323.write(out);
                out.flush();
                break;
        }
    } catch (IOException e) {
        isConnected = false;
    } finally {
        try {
            if (in != null) {
                in.close();
            }
        } catch (IOException e) {
        }
        try {
            if (out != null) {
                out.write(QuitPacket.QUIT);
                out.flush();
                out.close();
            }
        } catch (IOException e) {
        }
        try {
            if (socket != null)
                socket.close();
        } catch (IOException e) {
        }
    }
    return isConnected;
}