static void TestSecuritySystem() { try { VolatileDisk disk = new VolatileDisk(0); disk.TurnOn(); FileSystem fs = new SimpleFS(); fs.Format(disk); fs.Mount(disk, "/"); SecuritySystem security = new SimpleSecurity(fs, "passwd"); security.AddUser("steven"); if (security.NeedsPassword("steven")) { security.SetPassword("steven", "foobar42"); } int userID = security.Authenticate("steven", "foobar42"); Console.WriteLine("UserID " + userID.ToString()); Console.WriteLine("Username " + security.UserName(userID)); Console.WriteLine("Home Directory " + security.UserHomeDirectory(userID)); Console.WriteLine("Shell " + security.UserPreferredShell(userID)); // Try failure scenarios // Add user "steven" again TestSecurityException(() => { security.AddUser("steven"); }); // Password for no one TestSecurityException(() => { security.NeedsPassword("nope"); }); // Set password for invalid user TestSecurityException(() => { security.SetPassword("nope", "12345678"); }); // Set invalid password TestSecurityException(() => { security.SetPassword("steven", "hat"); }); // Authenticate invalid user TestSecurityException(() => { security.Authenticate("nope", "12345678"); }); // Authenticate invalid password TestSecurityException(() => { security.Authenticate("steven", "hat"); }); // invalid user ID TestSecurityException(() => { security.UserName(42); }); // invalid user ID TestSecurityException(() => { security.UserHomeDirectory(42); }); // invalid user ID TestSecurityException(() => { security.UserPreferredShell(42); }); // second security system SecuritySystem security2 = new SimpleSecurity(fs, "passwd"); security2.Authenticate("steven", "foobar42"); fs.Unmount("/"); disk.TurnOff(); } catch (Exception ex) { Console.WriteLine("Exception: " + ex.Message); } }
static void TestLogicalFileSystem() { try { DiskDriver disk = new VolatileDisk(1); //DiskDriver disk = new PersistentDisk(1, "disk1"); disk.TurnOn(); FileSystem fs = new SimpleFS(); fs.Format(disk); fs.Mount(disk, "/"); Directory root = fs.GetRootDirectory(); Directory dir1 = root.CreateDirectory("dir1"); Directory dir2 = root.CreateDirectory("dir2"); Random r = new Random(); byte[] bytes1 = CreateTestBytes(r, 1000); File file2 = dir2.CreateFile("file2"); FileStream stream1 = file2.Open(); stream1.Write(0, bytes1); stream1.Close(); File file2_2 = (File)fs.Find("/dir2/file2"); FileStream stream2 = file2_2.Open(); byte[] bytes2 = stream2.Read(0, 1000); stream2.Close(); if (!Compare(bytes1, bytes2)) { throw new Exception("bytes read were not the same as written"); } ValidateBadPath(fs, ""); ValidateBadPath(fs, "//"); ValidateBadPath(fs, "/dir2/nope"); ValidateBadPath(fs, "dir2"); ValidateBadPath(fs, "nope"); ValidateBadPath(fs, "/dir2/file2/nope"); ValidatePath(fs, "/"); ValidatePath(fs, "/dir2"); ValidatePath(fs, "/dir1/"); Console.WriteLine("Printing all directories..."); RecursivelyPrintDirectories(root); Console.WriteLine(); Console.WriteLine("Moving file2 to dir1..."); file2.Move(dir1); Console.WriteLine("Printing all directories..."); RecursivelyPrintDirectories(root); Console.WriteLine(); Console.WriteLine("Renaming dir2 to renamed..."); dir2.Rename("renamed"); Console.WriteLine("Printing all directories..."); RecursivelyPrintDirectories(root); Console.WriteLine(); Console.WriteLine("Deleting renamed..."); dir2.Delete(); Console.WriteLine("Printing all directories..."); RecursivelyPrintDirectories(root); Console.WriteLine(); Console.WriteLine("Deleting dir1..."); dir1.Delete(); Console.WriteLine("Printing all directories..."); RecursivelyPrintDirectories(root); Console.WriteLine(); fs.Unmount("/"); disk.TurnOff(); Console.WriteLine("Logical file system success!"); } catch (Exception ex) { Console.WriteLine("LFS test failed: " + ex.Message); Console.WriteLine(ex.StackTrace); } }