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Fix tons of gamespy 3 bugs arising from other server implementations

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This commit is contained in:
Michael Morrison 2014-02-01 09:46:34 -06:00
parent 6680c2dfa2
commit 896b707ba9
1 changed files with 84 additions and 52 deletions
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136
games/protocols/gamespy3.js
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@ -1,78 +1,111 @@
var async = require('async');
module.exports = require('./core').extend({
init: function() {
this._super();
this.sessionId = 1;
this.encoding = 'latin1';
this.byteorder = 'be';
this.noChallenge = false;
},
run: function(state) {
var self = this;
var challenge,packets;
this.sendPacket(9,false,false,false,function(buffer) {
var reader = self.reader(buffer);
reader.skip(5);
var challenge = parseInt(reader.string());
async.series([
function(c) {
if(self.noChallenge) return c();
self.sendPacket(9,false,false,false,function(buffer) {
var reader = self.reader(buffer);
reader.skip(5);
challenge = parseInt(reader.string());
c();
});
},
function(c) {
self.sendPacket(0,challenge,new Buffer([0xff,0xff,0xff,0x01]),true,function(b) {
packets = b;
c();
});
},
function(c) {
// iterate over the received packets
// the first packet will start off with k/v pairs, followed with data fields
// the following packets will only have data fields
var data = {};
self.sendPacket(0,challenge,new Buffer([0xff,0xff,0xff,0x01]),true,function(buffer) {
for(var iPacket = 0; iPacket < packets.length; iPacket++) {
var packet = packets[iPacket];
var reader = self.reader(packet);
var reader = self.reader(buffer);
if(self.debug) {
console.log("+++"+packet.toString('hex'));
console.log(":::"+packet.toString('ascii'));
}
while(!reader.done()) {
var key = reader.string();
if(!key) break;
var value = reader.string();
// reread the next line if we hit the weird ut3 bug
if(value == 'p1073741829') value = reader.string();
if(iPacket == 0) {
while(!reader.done()) {
var key = reader.string();
if(!key) break;
var value = reader.string();
// reread the next line if we hit the weird ut3 bug
if(value == 'p1073741829') value = reader.string();
state.raw[key] = value;
}
while(!reader.done()) {
var mode = reader.string();
if(mode.charCodeAt(0) <= 2) mode = mode.substring(1);
if(!mode) continue;
var offset = 0;
reader.skip(1);
while(!reader.done()) {
var item = reader.string();
if(!item) break;
if(
mode == 'player_'
|| mode == 'score_'
|| mode == 'ping_'
|| mode == 'team_'
|| mode == 'deaths_'
|| mode == 'pid_'
) {
if(state.players.length <= offset)
state.players.push({});
state.raw[key] = value;
}
}
var firstMode = true;
while(!reader.done()) {
var mode = reader.string();
if(mode.charCodeAt(0) <= 2) mode = mode.substring(1);
if(!mode) continue;
var offset = 0;
if(iPacket != 0 && firstMode) offset = reader.uint(1);
reader.skip(1);
firstMode = false;
while(!reader.done()) {
var item = reader.string();
if(!item) break;
if(
mode == 'player_'
|| mode == 'score_'
|| mode == 'ping_'
|| mode == 'team_'
|| mode == 'deaths_'
|| mode == 'pid_'
) {
if(state.players.length <= offset)
state.players.push({});
}
if(mode == 'player_') state.players[offset].name = item;
if(mode == 'score_') state.players[offset].score = parseInt(item);
if(mode == 'ping_') state.players[offset].ping = parseInt(item);
if(mode == 'team_') state.players[offset].team = parseInt(item);
if(mode == 'deaths_') state.players[offset].deaths = parseInt(item);
if(mode == 'pid_') state.players[offset].pid = item;
offset++;
}
if(mode == 'player_') state.players[offset].name = item;
if(mode == 'score_') state.players[offset].score = item;
if(mode == 'ping_') state.players[offset].ping = item;
if(mode == 'team_') state.players[offset].team = item;
if(mode == 'deaths_') state.players[offset].deaths = item;
if(mode == 'pid_') state.players[offset].pid = item;
offset++;
}
}
if('hostname' in state.raw) state.name = state.raw.hostname;
if('map' in state.raw) state.map = state.raw.map;
else if('servername' in state.raw) state.name = state.raw.servername;
if('mapname' in state.raw) state.map = state.raw.mapname;
if(state.raw.password == '1') state.password = true;
if('maxplayers' in state.raw) state.maxplayers = parseInt(state.raw.maxplayers);
self.finish(state);
});
});
}
]);
},
sendPacket: function(type,challenge,payload,assemble,c) {
var self = this;
var challengeLength = challenge === false ? 0 : 4;
var challengeLength = (this.noChallenge || challenge === false) ? 0 : 4;
var payloadLength = payload ? payload.length : 0;
var b = new Buffer(7 + challengeLength + payloadLength);
@ -114,8 +147,7 @@ module.exports = require('./core').extend({
}
list.push(packets[i]);
}
var assembled = Buffer.concat(list);
c(assembled);
c(list);
return true;
});
}