mcs/class/corlib/Test/System.Security.AccessControl/FileSecurityTest.cs

   1 // FileSecurityTest.cs - NUnit Test Cases for FileSecurity
   2 //
   3 // Authors:
   4 //      James Bellinger (jfb@zer7.com)
   5
   6 using System;
   7 using System.IO;
   8 using System.Security.AccessControl;
   9 using System.Security.Principal;
  10 using NUnit.Framework;
  11
  12 namespace MonoTests.System.Security.AccessControl
  13 {
  14         [TestFixture]
  15         public class FileSecurityTest
  16         {
  17                 [Test]
  18                 public void ChangeGroupToEveryone ()
  19                 {
  20                         FileSecurity security;
  21                         if (PlatformID.Win32NT != Environment.OSVersion.Platform) {
  22                                 Assert.Ignore ();
  23                         }
  24
  25                         string path = Path.GetTempFileName ();
  26                         try {
  27                                 SecurityIdentifier worldSid = new SecurityIdentifier ("WD");
  28
  29                                 security = File.GetAccessControl (path);
  30                                 security.SetGroup (worldSid);
  31                                 File.SetAccessControl (path, security);
  32
  33                                 security = File.GetAccessControl (path);
  34                                 Assert.AreEqual (worldSid, security.GetGroup (typeof(SecurityIdentifier)));
  35                         } finally {
  36                                 File.Delete (path);
  37                         }
  38                 }
  39
  40                 [Test]
  41                 public void ChangeAccessRules ()
  42                 {
  43                         FileSecurity security;
  44                         if (PlatformID.Win32NT != Environment.OSVersion.Platform) {
  45                                 Assert.Ignore ();
  46                         }
  47
  48                         string path = Path.GetTempFileName ();
  49                         try {
  50                                 // Add 'Everyone' to the access list.
  51                                 SecurityIdentifier worldSid = new SecurityIdentifier ("WD");
  52
  53                                 security = File.GetAccessControl (path);
  54                                 FileSystemAccessRule rule = new FileSystemAccessRule (worldSid,
  55                                                                                       FileSystemRights.FullControl,
  56                                                                                       AccessControlType.Allow);
  57                                 security.AddAccessRule (rule);
  58                                 File.SetAccessControl (path, security);
  59
  60                                 // Make sure 'Everyone' is *on* the access list.
  61                                 // Let's use the SafeHandle overload to check it.
  62                                 AuthorizationRuleCollection rules;
  63                                 using (FileStream file = File.Open (path, FileMode.Open, FileAccess.Read)) {
  64                                         security = file.GetAccessControl ();
  65                                         rules = security.GetAccessRules (true, false, typeof (SecurityIdentifier));
  66
  67                                         Assert.AreEqual (1, rules.Count);
  68                                         Assert.AreEqual (worldSid, rules[0].IdentityReference);
  69                                         Assert.AreEqual (InheritanceFlags.None, rules[0].InheritanceFlags);
  70                                         Assert.AreEqual (PropagationFlags.None, rules[0].PropagationFlags);
  71                                         Assert.IsFalse (rules[0].IsInherited);
  72                                 }
  73
  74                                 // Remove 'Everyone' from the access list.
  75                                 security.RemoveAccessRuleSpecific (rule);
  76                                 File.SetAccessControl (path, security);
  77
  78                                 // Make sure our non-inherited access control list is now empty.
  79                                 security = File.GetAccessControl (path);
  80                                 rules = security.GetAccessRules (true, false, typeof (SecurityIdentifier));
  81
  82                                 Assert.AreEqual (0, rules.Count);
  83                         } finally {
  84                                 File.Delete (path);
  85                         }
  86                 }
  87
  88                 [Test, ExpectedException (typeof (UnauthorizedAccessException))]
  89                 public void EveryoneMayNotBeOwner ()
  90                 {
  91                         FileSecurity security;
  92                         if (PlatformID.Win32NT != Environment.OSVersion.Platform) {
  93                                 Assert.Ignore ();
  94                         }
  95
  96                         string path = Path.GetTempFileName ();
  97                         try {
  98                                 security = File.GetAccessControl (path);
  99                                 security.SetOwner (new SecurityIdentifier ("WD"));
 100                                 File.SetAccessControl (path, security);
 101                                 // If we don't get an InvalidOperationException it could be that we are running
 102                                 // with administrator privileges. Don't fail the test if that is the case.
 103                                 WindowsIdentity identity = WindowsIdentity.GetCurrent ();
 104                                 WindowsPrincipal principal = new WindowsPrincipal (identity);
 105                                 if (principal.IsInRole (WindowsBuiltInRole.Administrator)) {
 106                                         Assert.Ignore ("Running as Administrator");
 107                                 }
 108                         } finally {
 109                                 File.Delete (path);
 110                         }
 111                 }
 112
 113         }
 114 }
 115
 116