public override void Execute(String args)
{
if (String.IsNullOrEmpty(args))
{
Helper.WriteLine("target File non specified");
return;
}
var dir = NoobDirectory.GetDirectoryByFullName(GlobalEnvironment.Current["CURRENTDIR"]);
NoobFile file = dir.GetFileByName(args);
if (file == null)
{
file = NoobDirectory.GetFileByFullName(args);
}
if (file == null)
{
Helper.WriteLine("Can't find file");
}
else
{
String content = file.ReadAllText();
Helper.WriteLine(content);
}
}
/// <summary>
/// Executes the command specified.
/// </summary>
/// <param name="cmd">the command name</param>
/// <param name="args">arguments associated with the command</param>
/// <returns>true if there is a command of the name and executed, false other wise</returns>
public static bool ProcessCommand(String cmd, String args)
{
CommandBase c = Find(cmd);
if (c == null)
{
NoobDirectory dir = NoobDirectory.GetDirectoryByFullName(NoobOS.Environment.GlobalEnvironment.Current["CURRENTDIR"]);
if (dir != null)
{
NoobFile fl = dir.GetFileByName(cmd);
if (fl != null)
{
Helper.WriteLine("Please make sure the file you have selected IS A BINARY or expect lots of crashes!");
if (Helper.Continue())
{
NoobOS.Executables.BinaryLoader.CallRaw(fl.ReadAllBytes());
return(true);
}
}
}
return(false);
}
if (c.CanExecute(args))
{
c.Execute(args);
}
return(true);
}
private static void CreateFileAndVerify(string file, string directory)
{
NoobDirectory dir = NoobFileSystem.mFS.Root.GetDirectoryByName(directory);
if (dir != null)
{
dir.AddFile(file);
NoobFile nf = dir.GetFileByName(file);
if (nf == null)
{
throw new Exception("Could not create!");
}
}
else
{
throw new ArgumentException("Bad directory");
}
}
/// <summary>
/// Adds this new user to the Accounts file.
/// </summary>
/// <param name="newus">New Username</param>
/// <param name="newpass">New Password</param>
public static bool Add(String newus, String newpass)
{
if (!Utils.StringContains(newus, InvalidChars))
{
NoobFile accfile = NoobDirectory.GetFileByFullName("/etc/passwd");
if (accfile == null)
{
NoobFileSystem.mFS.Root.GetDirectoryByName("etc").AddFile("passwd");
accfile = NoobDirectory.GetFileByFullName("/etc/passwd");
}
hasher.Value = newpass;
accfile.WriteAllText(newus + uspasssep + hasher.FingerPrint + usseparator);
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// Starts a new infinite loop that represents a simple shell
/// </summary>
public static void StartShell()
{
Helper.WriteLine("Starting Shell...", ConsoleColor.Green);
NoobFile motd = NoobDirectory.GetFileByFullName("/etc/motd");
if (motd == null)
{
Helper.Error("MOTD not available. Please type touch /etc/motd in the command line!");
}
else
{
Helper.WriteLine(motd.ReadAllText());
}
String cmd = "";
do
{
Account u = new Account(GlobalEnvironment.Current["USER"]);
String h = GlobalEnvironment.Current["HOST"];
NoobDirectory dir = NoobDirectory.GetDirectoryByFullName(GlobalEnvironment.Current["CURRENTDIR"]);
String consoleline = u.Username + "@" + h + ":" + dir.FullName + "# ";
Helper.Write(consoleline);
cmd = Helper.ReadLine();
String[] t = cmd.SplitAtFirstSpace();
String c = t[0]; // Command
String a = t.Length > 1 ? t[1] : String.Empty; // Argument(s)
Boolean p = CommandManager.ProcessCommand(c, a);
if (!p)
{
Helper.WriteLine("No such command found!");
}
if (!Helper.LastLineIsEmpty())
{
Helper.WriteLine("");
}
}while (true);
}
/// <summary>
/// Account constructor method that check's the user credentials
/// </summary>
/// <param name="User">Username</param>
/// <param name="Pass">Password</param>
public Account(String User, String Pass)
{
NoobFile accfile = NoobDirectory.GetFileByFullName("/etc/passwd");
if (accfile == null)
{
Helper.Error("/etc/passwd not available! Quitting.");
this._OK = false;
}
hasher.Value = Pass;
if (accfile.ReadAllText() == (User + uspasssep + hasher.FingerPrint + usseparator))
{
this._Username = User;
this._HomeDir = "/";
this._OK = true;
Helper.WriteLine("Login Succeded!");
}
else
{
this._OK = false;
Helper.Error("Login Failed! Verify user And Password!");
}
}
