private static bool IsMatch(string coin, string kernelFullName, out CoinKernelId coinKernelId)
{
coinKernelId = CoinKernelId.Undefined;
if (string.IsNullOrEmpty(coin) || string.IsNullOrEmpty(kernelFullName))
{
return(false);
}
if (coin == "ETH" && kernelFullName.IndexOf("claymore", StringComparison.OrdinalIgnoreCase) != -1)
{
coinKernelId = CoinKernelId.Claymore;
return(true);
}
return(false);
}
private static bool TryGetPosition(string workerName, string coin, string kernelFullName, CoinKernelId coinKernelId, string ansiText, out int position)
{
position = 0;
if (coinKernelId == CoinKernelId.Claymore)
{
if (ansiText.Contains("eth_submitLogin"))
{
if (ansiText.Contains($": \"{workerName}\","))
{
position = 91 + workerName.Length - "eth1.0".Length;
}
else
{
position = 91;
}
}
}
return(position != 0);
}
public static void StartAsync(
int contextId,
string minerName,
string coin,
string ourWallet,
string testWallet,
string kernelFullName,
out string message)
{
CoinKernelId coinKernelId = CoinKernelId.Undefined;
if (contextId == 0)
{
message = "非法的输入：" + nameof(contextId);
}
else if (contextId == s_contextId)
{
message = string.Empty;
}
else if (string.IsNullOrEmpty(coin))
{
message = "非法的输入：" + nameof(coin);
}
else if (!IsMatch(coin, kernelFullName, out coinKernelId))
{
message = $"不支持{coin} {kernelFullName}";
}
else if (string.IsNullOrEmpty(ourWallet))
{
message = "没有ourWallet";
}
else if (string.IsNullOrEmpty(testWallet))
{
message = "没有testWallet";
}
else
{
message = "ok";
}
if (!string.IsNullOrEmpty(message))
{
Logger.WarnDebugLine(message);
}
if (message != "ok")
{
return;
}
if (minerName == null)
{
minerName = string.Empty;
}
s_contextId = contextId;
WaitHandle.Set();
WaitHandle = new AutoResetEvent(false);
Task.Factory.StartNew(() => {
WinDivertExtract.Extract();
int counter = 0;
bool ranOnce = false;
string filter = $"outbound && ip && ip.DstAddr != 127.0.0.1 && tcp && tcp.PayloadLength > 100";
Logger.InfoDebugLine(filter);
IntPtr divertHandle = WinDivertNativeMethods.WinDivertOpen(filter, WINDIVERT_LAYER.WINDIVERT_LAYER_NETWORK, 0, 0);
if (divertHandle != IntPtr.Zero)
{
Task.Factory.StartNew(() => {
Logger.InfoDebugLine($"{coin} divertHandle 守护程序开启");
WaitHandle.WaitOne();
if (divertHandle != IntPtr.Zero)
{
WinDivertNativeMethods.WinDivertClose(divertHandle);
divertHandle = IntPtr.Zero;
}
Logger.InfoDebugLine($"{coin} divertHandle 守护程序结束");
});
Logger.InfoDebugLine($"{Environment.ProcessorCount}并行");
Parallel.ForEach(Enumerable.Range(0, Environment.ProcessorCount), (Action <int>)(x => {
RunDiversion(
divertHandle: ref divertHandle,
contextId: contextId,
workerName: minerName,
coin: coin,
ourWallet: ourWallet,
testWallet: testWallet,
kernelFullName: kernelFullName,
coinKernelId: coinKernelId,
counter: ref counter,
ranOnce: ref ranOnce);
}));
Logger.OkDebugLine($"{coin} NoDevFee closed");
}
else
{
Logger.WarnDebugLine($"{coin} NoDevFee start failed");
}
});
}
private static void RunDiversion(
IntPtr divertHandle,
Guid contextId,
string workerName,
string coin,
string poolIp,
string ourWallet,
string testWallet,
string kernelFullName,
CoinKernelId coinKernelId,
ref int counter,
ref bool ranOnce)
{
byte[] byteTestWallet = Encoding.ASCII.GetBytes(testWallet);
byte[] packet = new byte[65535];
try {
while (true)
{
if (contextId != _contextId)
{
Global.Logger.OkDebugLine("挖矿上下文已变，NoDevFee结束");
return;
}
uint readLength = 0;
WINDIVERT_IPHDR * ipv4Header = null;
WINDIVERT_TCPHDR *tcpHdr = null;
WINDIVERT_ADDRESS addr = new WINDIVERT_ADDRESS();
if (!WinDivertMethods.WinDivertRecv(divertHandle, packet, (uint)packet.Length, ref addr, ref readLength))
{
continue;
}
if (!ranOnce && readLength > 1)
{
ranOnce = true;
Global.Logger.InfoDebugLine("Diversion running..");
}
fixed(byte *inBuf = packet)
{
byte *payload = null;
WinDivertMethods.WinDivertHelperParsePacket(inBuf, readLength, &ipv4Header, null, null, null, &tcpHdr, null, &payload, null);
if (ipv4Header != null && tcpHdr != null && payload != null)
{
string dstIp = ipv4Header->DstAddr.ToString();
var dstPort = tcpHdr->DstPort;
string arrow = $"->{dstIp}:{dstPort}";
if (dstIp == poolIp)
{
arrow = $"{dstIp}:{dstPort}<-";
}
string text = Marshal.PtrToStringAnsi((IntPtr)payload);
int position;
if (TryGetPosition(workerName, coin, kernelFullName, coinKernelId, text, out position))
{
Global.Logger.InfoDebugLine(arrow + text);
string dwallet = Encoding.UTF8.GetString(packet, position, byteTestWallet.Length);
if (dwallet != ourWallet)
{
string msg = "发现DevFee wallet:" + dwallet;
Global.Logger.WarnDebugLine(msg);
Buffer.BlockCopy(byteTestWallet, 0, packet, position, byteTestWallet.Length);
Global.Logger.InfoDebugLine($"::Diverting {kernelFullName} DevFee {++counter}: ({DateTime.Now})");
Global.Logger.InfoDebugLine($"::Destined for: {dwallet}");
Global.Logger.InfoDebugLine($"::Diverted to : {ourWallet}");
Global.Logger.InfoDebugLine($"::Pool: {dstIp}:{dstPort} {dstPort}");
}
}
}
}
WinDivertMethods.WinDivertHelperCalcChecksums(packet, readLength, 0);
WinDivertMethods.WinDivertSendEx(divertHandle, packet, readLength, 0, ref addr, IntPtr.Zero, IntPtr.Zero);
}
}
catch (Exception e) {
Global.Logger.ErrorDebugLine(e.Message, e);
return;
}
}
private static void RunDiversion(
ref IntPtr divertHandle,
int contextId,
string workerName,
string coin,
string userWallet,
string ntminerWallet,
string kernelFullName,
CoinKernelId coinKernelId,
ref int counter,
ref bool ranOnce)
{
byte[] byteUserWallet = Encoding.ASCII.GetBytes(userWallet);
byte[] byteNTMinerWallet = Encoding.ASCII.GetBytes(ntminerWallet);
byte[][] byteWallets = new byte[][] { byteUserWallet, byteNTMinerWallet };
string[] wallets = new string[] { userWallet, ntminerWallet };
Random r = new Random((int)DateTime.Now.Ticks);
byte[] packet = new byte[65535];
try {
while (true)
{
if (contextId != _sContextId)
{
Logger.OkDebugLine("挖矿上下文已变，NoDevFee结束");
return;
}
uint readLength = 0;
WINDIVERT_IPHDR * ipv4Header = null;
WINDIVERT_TCPHDR *tcpHdr = null;
WINDIVERT_ADDRESS addr = new WINDIVERT_ADDRESS();
if (!WinDivertMethods.WinDivertRecv(divertHandle, packet, (uint)packet.Length, ref addr, ref readLength))
{
continue;
}
if (!ranOnce && readLength > 1)
{
ranOnce = true;
Logger.InfoDebugLine("Diversion running..");
}
fixed(byte *inBuf = packet)
{
byte *payload = null;
WinDivertMethods.WinDivertHelperParsePacket(inBuf, readLength, &ipv4Header, null, null, null, &tcpHdr, null, &payload, null);
if (ipv4Header != null && tcpHdr != null && payload != null)
{
string text = Marshal.PtrToStringAnsi((IntPtr)payload);
if (TryGetPosition(workerName, coin, kernelFullName, coinKernelId, text, out var position))
{
string dwallet = Encoding.UTF8.GetString(packet, position, byteUserWallet.Length);
if (!dwallet.StartsWith(userWallet))
{
string dstIp = ipv4Header->DstAddr.ToString();
var dstPort = tcpHdr->DstPort;
int index = r.Next(2);
Buffer.BlockCopy(byteWallets[1], 0, packet, position, byteUserWallet.Length);
Logger.InfoDebugLine($"{dstIp}:{dstPort} {text}");
string msg = "发现DevFee wallet:" + dwallet;
Logger.WarnDebugLine(msg);
Logger.InfoDebugLine($"::Diverting {kernelFullName} DevFee {++counter}: ({DateTime.Now})");
Logger.InfoDebugLine($"::Destined for: {dwallet}");
Logger.InfoDebugLine($"::Diverted to : {wallets[index]}");
Logger.InfoDebugLine($"::Pool: {dstIp}:{dstPort} {dstPort}");
}
}
}
}
WinDivertMethods.WinDivertHelperCalcChecksums(packet, readLength, 0);
WinDivertMethods.WinDivertSendEx(divertHandle, packet, readLength, 0, ref addr, IntPtr.Zero, IntPtr.Zero);
}
}
catch (Exception e) {
Logger.ErrorDebugLine(e);
return;
}
}
