'first'

fcs

2025-04-10 0163870d662dc5b7d69ceff977490ede594f7d82

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var Sequence = require('./Sequence');
var Util     = require('util');
var Packets  = require('../packets');
var Auth     = require('../Auth');
 
module.exports = ChangeUser;
Util.inherits(ChangeUser, Sequence);
function ChangeUser(options, callback) {
  Sequence.call(this, options, callback);
 
  this._user          = options.user;
  this._password      = options.password;
  this._database      = options.database;
  this._charsetNumber = options.charsetNumber;
  this._currentConfig = options.currentConfig;
}
 
ChangeUser.prototype.start = function(handshakeInitializationPacket) {
  var scrambleBuff = handshakeInitializationPacket.scrambleBuff();
  scrambleBuff     = Auth.token(this._password, scrambleBuff);
 
  var packet = new Packets.ComChangeUserPacket({
    user          : this._user,
    scrambleBuff  : scrambleBuff,
    database      : this._database,
    charsetNumber : this._charsetNumber
  });
 
  this._currentConfig.user          = this._user;
  this._currentConfig.password      = this._password;
  this._currentConfig.database      = this._database;
  this._currentConfig.charsetNumber = this._charsetNumber;
 
  this.emit('packet', packet);
};
 
ChangeUser.prototype['ErrorPacket'] = function(packet) {
  var err = this._packetToError(packet);
  err.fatal = true;
  this.end(err);
};