send(data, cmd, id) {
let sendBuf;
if (this.tcp) {
cmd = cmd || PacketType.COMMAND;
id = id || this.rconId;
let length = Buffer.byteLength(data);
sendBuf = new Buffer(length + 16);
sendBuf.writeInt32LE(length + 12, 0);
sendBuf.writeInt32LE(id, 4);
sendBuf.writeInt32LE(cmd, 8);
sendBuf.write(data, 12);
sendBuf.writeInt32LE(0, length + 12);
} else {
if (this.challenge && !this._challengeToken) {
this.emit('error', new Error('Not authenticated'));
return;
}
var str = "rcon ";
if (this._challengeToken) str += this._challengeToken + " ";
if (this.password) str += this.password + " ";
str += data + "\n";
sendBuf = new Buffer(4 + Buffer.byteLength(str));
sendBuf.writeInt32LE(-1, 0);
sendBuf.write(str, 4)
}
this._sendSocket(sendBuf);
}
Rcon.prototype.send = function(data, cmd, id) {
cmd = cmd || PacketType.COMMAND;
id = id || this.rconId;
var sendBuf = new Buffer(data.length + 16);
sendBuf.writeInt32LE(data.length + 12, 0);
sendBuf.writeInt32LE(id, 4);
sendBuf.writeInt32LE(cmd, 8);
sendBuf.write(data, 12);
sendBuf.writeInt32LE(0, data.length + 12);
this.socket.write(sendBuf.toString('binary'), 'binary');
};
socketOnConnect() {
this.emit('connect');
if (this.tcp) {
this.send(this.password, PacketType.AUTH);
} else if (this.challenge) {
let str = "challenge rcon\n";
let sendBuf = new Buffer(str.length + 4);
sendBuf.writeInt32LE(-1, 0);
sendBuf.write(str, 4);
this._sendSocket(sendBuf);
} else {
let sendBuf = new Buffer(5);
sendBuf.writeInt32LE(-1, 0);
sendBuf.writeUInt8(0, 4);
this._sendSocket(sendBuf);
this.hasAuthed = true;
this.emit('auth');
}
}
NetWriter.prototype.writeInt32LE = function (value) {
var buffer = new Buffer(4);
buffer.writeInt32LE(value, 0, true);
this.content.push(buffer);
this.size += 4;
};
function hashForSignature (inIndex, prevOutScript, hashType) {
typeforce(types.tuple(types.UInt32, types.Buffer, /* types.UInt8 */ types.Number), arguments);
// https://github.com/bitcoin/bitcoin/blob/master/src/test/sighash_tests.cpp#L29
if (inIndex >= this.ins.length) return ONE;
var txTmp = this.clone();
// in case concatenating two scripts ends up with two codeseparators,
// or an extra one at the end, this prevents all those possible incompatibilities.
var hashScript = bscript.compile(bscript.decompile(prevOutScript).filter(function (x) {
return x !== opcodes.OP_CODESEPARATOR;
}));
var i;
// blank out other inputs' signatures
txTmp.ins.forEach(function (input) { input.script = EMPTY_SCRIPT; });
txTmp.ins[inIndex].script = hashScript;
// blank out some of the inputs
if ((hashType & 0x1f) === Transaction.SIGHASH_NONE) {
// wildcard payee
txTmp.outs = [];
// let the others update at will
txTmp.ins.forEach(function (input, i) {
if (i !== inIndex) {
input.sequence = 0;
}
});
} else if ((hashType & 0x1f) === Transaction.SIGHASH_SINGLE) {
var nOut = inIndex;
// only lock-in the txOut payee at same index as txIn
// https://github.com/bitcoin/bitcoin/blob/master/src/test/sighash_tests.cpp#L60
if (nOut >= this.outs.length) return ONE;
txTmp.outs = txTmp.outs.slice(0, nOut + 1);
// blank all other outputs (clear scriptPubKey, value === -1)
var stubOut = {
script: EMPTY_SCRIPT,
valueBuffer: VALUE_UINT64_MAX
};
for (i = 0; i < nOut; i++) {
txTmp.outs[i] = stubOut;
}
// let the others update at will
txTmp.ins.forEach(function (input, i) {
if (i !== inIndex) {
input.sequence = 0;
}
});
}
// blank out other inputs completely, not recommended for open transactions
if (hashType & Transaction.SIGHASH_ANYONECANPAY) {
txTmp.ins[0] = txTmp.ins[inIndex];
txTmp.ins = txTmp.ins.slice(0, 1);
}
// serialize and hash
var buffer = new Buffer(txTmp.signedByteLength(inIndex) + 4);
buffer.writeInt32LE(hashType, buffer.length - 4);
txTmp.toBufferForSigning(inIndex).copy(buffer, 0);
return bcrypto.hash256(buffer);
}