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lotta stoof

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This commit is contained in:
Malloc of Kuzkycyziklistan 2017-05-26 15:28:02 -05:00
parent 73ec4544f1
commit 0ce0fe099d
13 changed files with 160 additions and 37 deletions
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30
client/lib/check.js
View file

@ -13,13 +13,33 @@ window.onload = function() {
// check for webgl support
var canvas = document.getElementById("cs");
if(!(canvas.getContext("webgl") || canvas.getContext("experimental-webgl")))
support.webgl = false;
Rendering.context = canvas.getContext("webgl");
if(!Rendering.context) {
Rendering.context = canvas.getContext("experimental-webgl");
if(!Rendering.context)
support.webgl = false;
}
// check for animation frame support
window.requestAnimationFrame = window.requestAnimationFrame
|| window.webkitRequestAnimationFrame
|| window.mozRequestAnimationFrame
|| window.oRequestAnimationFrame
|| window.msRequestAnimationFrame;
if(!window.requestAnimationFrame)
support.anim = false;
// check for indexedDB support
window.indexedDB = window.indexedDB || window.mozIndexedDB || window.webkitIndexedDB || window.msIndexedDB;
window.IDBTransaction = window.IDBTransaction || window.webkitIDBTransaction || window.msIDBransaction;
window.IDBKeyRange = window.IDBKeyRange || window.webkitIDBKeyRange || window.msIDBKeyRange;
window.indexedDB = window.indexedDB
|| window.mozIndexedDB
|| window.webkitIndexedDB
|| window.msIndexedDB;
window.IDBTransaction = window.IDBTransaction
|| window.webkitIDBTransaction
|| window.msIDBransaction;
window.IDBKeyRange = window.IDBKeyRange
|| window.webkitIDBKeyRange
|| window.msIDBKeyRange;
if(!window.indexedDB)
support.idb = false;

9
client/src/Connection.ts
View file

@ -21,6 +21,10 @@ class Connection {
Connection.sock.onclose = Connection.onClose;
}
public static send(msg: Packet) {
Connection.sock.send(msg.getBytes());
}
private static onOpen(event: any): void {
Connection._isOpen = true;
@ -32,11 +36,12 @@ class Connection {
var raw = new Uint8Array(event.data);
var msg = Packet.fromBytes(raw);
console.log(msg);
console.log(msg[1].toString());
switch(msg.id) {
case kPacketId.KeyExchange:
var response = Key.generateResponsePacket(msg);
Connection.send(response);
console.log(response);
break;
case kPacketId.LoginAttempt:

75
client/src/Crypto.ts
View file

@ -1,3 +1,74 @@
class KeyExchange {
class Key {
private static secret: bigInt;
private static _privateKey: bigInt = new bigInt(0);
private static get privateKey(): bigInt {
return Key._privateKey;
}
public static get succeeded(): boolean {
return !Key._privateKey.eq(new bigInt(0));
}
public static init(): void {
Key.secret = Random.generatePrime(512);
}
public static generateResponsePacket(request: Packet): Packet {
var generator = new bigInt(request[0].toString(), 16);
var modulus = new bigInt(request[1].toString(), 16);
var serverKey = new bigInt(request[2].toString(), 16);
Key._privateKey = serverKey.modPow(Key.secret, modulus);
return Packet.create(kPacketId.KeyExchange, [generator.modPow(Key.secret, modulus).toString(16)]);
}
}
class Cipher {
private static key: Uint8Array;
private static state: Uint8Array;
public static init(key: bigInt) {
Cipher.key = key.toByteArray(512 / 8);
Cipher.state = new Uint8Array(256);
Cipher.state.map((value: number, index: number): number => {
return index;
});
var i, j = 0, t;
for(i = 0; i < 256; ++i) {
j = (j + Cipher.state[i] + Cipher.key[i % Cipher.key.length]) % 256;
t = Cipher.state[i];
Cipher.state[i] = Cipher.state[j];
Cipher.state[j] = t;
}
Cipher.generateStream(1024);
}
private static generateStream(length: number): Uint8Array {
var stream = new Uint8Array(length);
var i = 0, j = 0, x, t;
for(x = 0; x < length; ++x) {
i = (i + 1) % 256;
j = (j + Cipher.state[i]) % 256;
t = Cipher.state[i];
Cipher.state[i] = Cipher.state[j];
Cipher.state[j] = t;
stream[x] = Cipher.state[(Cipher.state[i] + Cipher.state[j]) % 256];
}
return stream;
}
public static parse(data: Uint8Array): Uint8Array {
var stream = Cipher.generateStream(data.length);
for(var i = 0; i < data.length; ++i)
data[i] = data[i] ^ stream[i];
return data;
}
}

4
client/src/Entrypoint.ts
View file

@ -13,7 +13,7 @@ class Entrypoint {
}
public static start(): void {
Connection.open();
Key.init();
FileCache.initCache(
// SUCCESS
@ -27,6 +27,8 @@ class Entrypoint {
CriticalStop.redirect(error);
}
);
Connection.open();
}
private static ready(): void {

14
client/src/Extensions.ts
View file

@ -221,15 +221,19 @@ Uint8Array.prototype.toHexString = function(): string {
// ** BIGINT EXTENSIONS ** \\
interface bigInt {
toByteArray(): Uint8Array;
toByteArray(byteCount: number): Uint8Array;
}
bigInt.prototype.toByteArray = function(): Uint8Array {
bigInt.prototype.toByteArray = function(byteCount: number): Uint8Array {
var hexString: string = this.toString(16);
var byteCount = Math.ceil(hexString.length / 2);
var loopCount = Math.ceil(hexString.length / 2);
var byteArray = new Uint8Array(byteCount);
for(var i = 0; i < byteCount; ++i) {
byteArray[i] = parseInt(hexString.substr(Math.max(0, hexString.length - 2*(i+1)), hexString.length - 2*i), 16);
loopCount = Math.min(loopCount, byteCount);
for(var i = 0; i < loopCount; ++i) {
var byte = hexString.substring(Math.max(0, hexString.length - 2*(i+1)), hexString.length - 2*i);
byteArray[i] = parseInt(byte, 16);
}
return byteArray;
}

4
client/src/Packet.ts
View file

@ -79,9 +79,9 @@ class Packet {
bodySize += region.byteLength;
++headerSize;
if(region.byteLength >= 254 && region.byteLength <= 0xFFFF)
if(region.byteLength >= 0xFE && region.byteLength <= 0xFFFF)
headerSize += 2;
else
else if(region.byteLength > 0xFFFF)
headerSize += 4;
});

4
client/src/RenderContext.ts
View file

@ -1,3 +1,5 @@
class RenderContext {
class Rendering {
private static context: WebGLRenderingContext;
}

12
client/src/Utilities.ts
View file

@ -2,4 +2,16 @@ class CriticalStop {
public static redirect(message: string): void {
window.location.href = "error.html?txt="+ encodeURIComponent(message) +"&rterr";
}
}
class Random {
public static generatePrime(bitCount: number = 512): bigInt {
var lower = new bigInt(2).pow(bitCount - 1);
var upper = new bigInt(2).pow(bitCount).prev();
var prime = new bigInt(4);
while(!prime.isProbablePrime())
prime = bigInt.randBetween(lower, upper);
return prime;
}
}

24
client/src/def/BigInt.d.ts vendored
View file

@ -24,13 +24,13 @@ declare class bigInt {
public divide(x: any): bigInt;
public divmod(x: any): bigInt;
public eq(x: any): bigInt;
public equals(x: any): bigInt;
public eq(x: any): boolean;
public equals(x: any): boolean;
public geq(x: any): bigInt;
public greater(x: any): bigInt;
public greaterOrEquals(x: any): bigInt;
public gt(x: any): bigInt;
public geq(x: any): boolean;
public greater(x: any): boolean;
public greaterOrEquals(x: any): boolean;
public gt(x: any): boolean;
public isDivisibleBy(x: any): boolean;
public isEven(): boolean;
@ -42,10 +42,10 @@ declare class bigInt {
public isUnit(): boolean;
public isZero(): boolean;
public leq(x: any): bigInt;
public lesser(x: any): bigInt;
public lesserOrEquals(x: any): bigInt;
public lt(x: any): bigInt;
public leq(x: any): boolean;
public lesser(x: any): boolean;
public lesserOrEquals(x: any): boolean;
public lt(x: any): boolean;
public minus(x: any): bigInt;
public mod(x: any): bigInt;
@ -53,10 +53,10 @@ declare class bigInt {
public modPow(exp: any, mod: any): bigInt;
public multiply(x: any): bigInt;
public neq(x: any): bigInt;
public neq(x: any): boolean;
public next(): bigInt;
public not(): bigInt;
public notEquals(x: any): bigInt;
public notEquals(x: any): boolean;
public or(x: any): bigInt;
public over(x: any): bigInt;

4
server/Encryption/KeyExchange.cs
View file

@ -7,7 +7,7 @@ using System.Numerics;
using Square;
namespace CircleScape.Encryption {
class KeyExchange {
class Key {
private BigInteger Secret;
public BigInteger Generator { get; private set; } = 2;
public BigInteger Modulus { get; private set; }
@ -16,7 +16,7 @@ namespace CircleScape.Encryption {
get => !PrivateKey.IsZero;
}
public KeyExchange() {
public Key() {
Secret = RNG.NextPrime(512 / 8);
Modulus = RNG.NextPrime(512 / 8);
}

2
server/Libraries/Square/ArrayExtensions.cs
View file

@ -12,7 +12,7 @@ namespace Square {
if(offset > 0)
arrEnum = arrEnum.Skip(offset);
if(count > 0 && count < arr.Length)
arrEnum = arr.Take(count);
arrEnum = arrEnum.Take(count);
return arrEnum.ToArray();
}

11
server/Socks/Packet.cs
View file

@ -22,13 +22,14 @@ namespace CircleScape {
return ErrorPacket;
Packet packet = new Packet();
if(!Enum.IsDefined(typeof(kId), raw[0]))
if(!Enum.IsDefined(typeof(kId), (int)raw[0]))
return ErrorPacket;
packet.Id = (kId)raw[0];
var regionCount = raw[1];
var regionLengths = new List<uint>();
var headerPtr = 2;
for(var i = 0; i < regionCount; ++i) {
regionLengths.Add(0);
var first = raw[headerPtr];
if(first < 254) {
regionLengths[i] = first;
@ -49,7 +50,7 @@ namespace CircleScape {
return ErrorPacket;
}
if(headerPtr + regionLengths.Sum(x => x) < raw.Length)
if(headerPtr + regionLengths.Sum(x => x) > raw.Length)
return ErrorPacket;
long bodyPtr = headerPtr;
@ -125,6 +126,9 @@ namespace CircleScape {
}
public static implicit operator byte[] (Region region) => region.Data;
public string Bytes {
get => this;
}
public static implicit operator string(Region region) {
try {
@ -133,6 +137,9 @@ namespace CircleScape {
return Encoding.ASCII.GetString(region.Data);
}
}
public string Str {
get => this;
}
}
}
}

4
server/Socks/PendingConnection.cs
View file

@ -11,14 +11,14 @@ using CircleScape.Encryption;
namespace CircleScape {
class PendingConnection : Connection {
private DateTime ConnectionOpened;
private KeyExchange Key;
private Key Key;
private Cipher Encryptor;
protected override void OnOpen() {
ConnectionOpened = DateTime.UtcNow;
Key = new KeyExchange();
Key = new Key();
Send(Key.GenerateRequestPacket().GetBytes());
}