fix path errors

Author: Andrey Sidorov

lib/packets/change_user.js

@@ -4,7 +4,7 @@ var CommandCode = require('../constants/commands.js');
 var ClientConstants = require('../constants/client.js');
 var Packet = require('../packets/packet.js');
 var auth41 = require('../auth_41.js');
-var CharsetToEncoding = require('./constants/charset_encodings.js');
+var CharsetToEncoding = require('../constants/charset_encodings.js');
 
 
 function ChangeUser (opts)

lib/packets/execute.js

@@ -3,7 +3,7 @@ var CursorType = require('../constants/cursor');
 var CommandCodes = require('../constants/commands');
 var Types = require('../constants/types');
 var Packet = require('../packets/packet');
-var CharsetToEncoding = require('./constants/charset_encodings.js');
+var CharsetToEncoding = require('../constants/charset_encodings.js');
 
 function Execute (id, parameters, charsetNumber)
 {

lib/packets/handshake.js

@@ -16,7 +16,7 @@ Handshake.fromPacket = function (packet)
 {
   var args = {};
   args.protocolVersion = packet.readInt8();
-  args.serverVersion = packet.readNullTerminatedString();
+  args.serverVersion = packet.readNullTerminatedString('cesu8');
   args.connectionId = packet.readInt32();
   args.authPluginData1 = packet.readBuffer(8);
   packet.skip(1);

lib/packets/handshake_response.js

@@ -2,7 +2,7 @@ var Buffer = require('safe-buffer').Buffer;
 
 var ClientConstants = require('../constants/client.js');
 var Charsets = require('../constants/charsets.js');
-var CharsetToEncoding = require('./constants/charset_encodings.js');
+var CharsetToEncoding = require('../constants/charset_encodings.js');
 var Packet = require('../packets/packet.js');
 
 var auth41 = require('../auth_41.js');
@@ -42,7 +42,7 @@ HandshakeResponse.fromPacket = function (packet)
   args.charsetNumber = packet.readInt8();
   var encoding = CharsetToEncoding[args.charsetNumber];
   packet.skip(23);
-  args.user = packet.readNullTerminatedString();
+  args.user = packet.readNullTerminatedString(encoding);
   var authTokenLength;
   if (isSet('PLUGIN_AUTH_LENENC_CLIENT_DATA')) {
     authTokenLength = packet.readLengthCodedNumber(encoding);
@@ -83,7 +83,7 @@ HandshakeResponse.prototype.serializeResponse = function (buffer) {
   packet.writeInt8(this.charsetNumber);
   packet.skip(23);
 
-  var encoding = CharsetToEncoding[args.charsetNumber];
+  var encoding = CharsetToEncoding[this.charsetNumber];
   packet.writeNullTerminatedString(this.user, encoding);
 
   var authTokenLength, k;

lib/packets/packet.js

@@ -688,7 +688,7 @@ Packet.lengthCodedNumberLength = function (n) {
 };
 
 Packet.lengthCodedStringLength = function (str, encoding) {
-  var buf = StringParser.encode(s, encoding);
+  var buf = StringParser.encode(str, encoding);
   var slen = buf.length;
   return Packet.lengthCodedNumberLength(slen) + slen;
 };

lib/packets/prepare_statement.js

@@ -2,7 +2,7 @@ var Buffer = require('safe-buffer').Buffer;
 var Packet = require('../packets/packet');
 var CommandCodes = require('../constants/commands');
 var StringParser = require('../parsers/string.js');
-var CharsetToEncoding = require('./constants/charset_encodings.js');
+var CharsetToEncoding = require('../constants/charset_encodings.js');
 
 function PrepareStatement (sql, charsetNumber)
 {