74 lines
2.3 KiB
JavaScript
74 lines
2.3 KiB
JavaScript
var Packet = require('../packets/packet');
|
|
|
|
function Handshake(args) {
|
|
this.protocolVersion = args.protocolVersion;
|
|
this.serverVersion = args.serverVersion;
|
|
this.capabilityFlags = args.capabilityFlags;
|
|
this.connectionId = args.connectionId;
|
|
this.authPluginData1 = args.authPluginData1;
|
|
this.authPluginData2 = args.authPluginData2;
|
|
this.characterSet = args.characterSet;
|
|
this.statusFlags = args.statusFlags;
|
|
}
|
|
|
|
Handshake.fromPacket = function(packet)
|
|
{
|
|
var args = {};
|
|
args.protocolVersion = packet.readInt8();
|
|
args.serverVersion = packet.readNullTerminatedString();
|
|
args.connectionId = packet.readInt32();
|
|
args.authPluginData1 = packet.readBuffer(8);
|
|
packet.skip(1);
|
|
args.capabilityFlags = packet.readInt16();
|
|
if (packet.haveMoreData()) {
|
|
args.characterSet = packet.readInt8();
|
|
args.statusFlags = packet.readInt16();
|
|
// upper 2 bytes
|
|
args.capabilityFlags += packet.readInt16() << 16;
|
|
args.authPluginDataLength = packet.readInt8();
|
|
packet.skip(10);
|
|
}
|
|
//var len = Math.max(12, args.authPluginDataLength - 8);
|
|
args.authPluginData2 = packet.readBuffer(12);
|
|
return new Handshake(args);
|
|
};
|
|
|
|
Handshake.prototype.setScrambleData = function(cb) {
|
|
var self = this;
|
|
require('crypto').randomBytes(20, function(err, data) {
|
|
if (err) return cb(err);
|
|
self.authPluginData1 = data.slice(0, 8);
|
|
self.authPluginData2 = data.slice(8,20);
|
|
cb();
|
|
});
|
|
};
|
|
|
|
Handshake.prototype.toPacket = function(sequenceId) {
|
|
var buffer, packet;
|
|
var length = 68 + Buffer.byteLength(this.serverVersion, 'utf8');
|
|
buffer = new Buffer(length+4);
|
|
packet = new Packet(sequenceId, buffer);
|
|
packet.offset = 4;
|
|
packet.writeInt8(this.protocolVersion);
|
|
packet.writeString(this.serverVersion);
|
|
packet.writeInt8(0);
|
|
packet.writeInt32(this.connectionId);
|
|
packet.writeBuffer(this.authPluginData1);
|
|
packet.writeInt8(0);
|
|
packet.writeInt16(this.capabilityFlags & 0xffff);
|
|
packet.writeInt8(this.characterSet);
|
|
packet.writeInt16(this.statusFlags);
|
|
packet.writeInt16(this.capabilityFlags >> 16);
|
|
packet.writeInt8(21); // authPluginDataLength
|
|
var filler = new Buffer(10);
|
|
filler.fill(0);
|
|
packet.writeBuffer(filler);
|
|
packet.writeBuffer(this.authPluginData2);
|
|
packet.writeInt8(0);
|
|
packet.writeString('mysql_native_password');
|
|
packet.writeInt8(0);
|
|
return packet;
|
|
};
|
|
|
|
module.exports = Handshake;
|