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/var/www/html/wincloud_gateway/node_modules/mysql/lib/protocol/packets/   drwxr-xr-x
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Viewing file:     ClientAuthenticationPacket.js (2.03 KB)      -rw-r--r--

var Buffer = require('safe-buffer').Buffer;

module.exports = ClientAuthenticationPacket;
function ClientAuthenticationPacket(options) {
  options = options || {};

  this.clientFlags   = options.clientFlags;
  this.maxPacketSize = options.maxPacketSize;
  this.charsetNumber = options.charsetNumber;
  this.filler        = undefined;
  this.user          = options.user;
  this.scrambleBuff  = options.scrambleBuff;
  this.database      = options.database;
  this.protocol41    = options.protocol41;
}

ClientAuthenticationPacket.prototype.parse = function(parser) {
  if (this.protocol41) {
    this.clientFlags   = parser.parseUnsignedNumber(4);
    this.maxPacketSize = parser.parseUnsignedNumber(4);
    this.charsetNumber = parser.parseUnsignedNumber(1);
    this.filler        = parser.parseFiller(23);
    this.user          = parser.parseNullTerminatedString();
    this.scrambleBuff  = parser.parseLengthCodedBuffer();
    this.database      = parser.parseNullTerminatedString();
  } else {
    this.clientFlags   = parser.parseUnsignedNumber(2);
    this.maxPacketSize = parser.parseUnsignedNumber(3);
    this.user          = parser.parseNullTerminatedString();
    this.scrambleBuff  = parser.parseBuffer(8);
    this.database      = parser.parseLengthCodedBuffer();
  }
};

ClientAuthenticationPacket.prototype.write = function(writer) {
  if (this.protocol41) {
    writer.writeUnsignedNumber(4, this.clientFlags);
    writer.writeUnsignedNumber(4, this.maxPacketSize);
    writer.writeUnsignedNumber(1, this.charsetNumber);
    writer.writeFiller(23);
    writer.writeNullTerminatedString(this.user);
    writer.writeLengthCodedBuffer(this.scrambleBuff);
    writer.writeNullTerminatedString(this.database);
  } else {
    writer.writeUnsignedNumber(2, this.clientFlags);
    writer.writeUnsignedNumber(3, this.maxPacketSize);
    writer.writeNullTerminatedString(this.user);
    writer.writeBuffer(this.scrambleBuff);
    if (this.database && this.database.length) {
      writer.writeFiller(1);
      writer.writeBuffer(Buffer.from(this.database));
    }
  }
};