в 15:31, 26 мая 2010

2010-05-26T15:31:53Z

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2010-05-26T12:17:56Z

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==A declarative role-based security demand for the current principal==

<source lang="csharp">using System;
using System.Security.Permissions;
class MainClass
{
[PrincipalPermission(SecurityAction.Demand, Name = @"MACHINE\Joe", Role = @"MACHINE\Managers")]
public static void MyMethod()
{
}
}</source>

==A declarative role-based security demand for the current principal to be a member of the roles Managers OR Developers==

<source lang="csharp">using System;
using System.Security.Permissions;
class MainClass
{

[PrincipalPermission(SecurityAction.Demand, Role = @"MACHINE\Managers")]
[PrincipalPermission(SecurityAction.Demand, Role = @"MACHINE\Developers")]
public static void MyMethod()
{
}
}</source>

==An imperative role-based security demand for the current principal to represent an identity with the name Anya AND be a member of the Managers role==

<source lang="csharp">using System;
using System.Security.Permissions;
class MainClass
{
public static void MyMethod()
{

PrincipalPermission perm = new PrincipalPermission(@"MACHINE\Joe", @"MACHINE\Managers");

perm.Demand();
}
}</source>

==An imperative role-based security demand for the current principal to represent an identity with the name Anya, the roles of the principal are irrelevant==

<source lang="csharp">using System;
using System.Security.Permissions;
class MainClass
{
public static void MyMethod()
{
PrincipalPermission perm = new PrincipalPermission(@"MACHINE\Joe", null);

perm.Demand();
}
}</source>

==Create PrincipalPermission for Administrators==

<source lang="csharp">using System;
using System.Threading;
using System.Security;
using System.Security.Permissions;
using System.Collections.Generic;
using System.Text;
using System.Collections;
class Program
{
static void Main(string[] args)
{
System.Security.Principal.WindowsIdentity wi = System.Security.Principal.WindowsIdentity.GetCurrent();
Thread.CurrentPrincipal = new System.Security.Principal.WindowsPrincipal(wi);
Console.WriteLine(wi.Name);
Console.WriteLine(Thread.CurrentPrincipal.Identity.Name);
PrincipalPermission pp = new PrincipalPermission(null, "Administrators", true);
pp.Demand();
PrincipalPermission pp2 = new PrincipalPermission(null, "Users", true);
pp.Union(pp2).Demand();
try
{
PrincipalPermission pp3 = new PrincipalPermission(null, "Club");
pp3.Demand();
}
catch (SecurityException e)
{
Console.WriteLine("You do not have access to the secret club.");
}
}
}</source>

==File IO Permission: SecurityAction.RequestRefuse, Write==

<source lang="csharp">using System.Security.Permissions;
[assembly:FileIOPermission(SecurityAction.RequestRefuse, Write = @"C:\")]
class MainClass{
public static void Main(){

}
}</source>

==Internet SecurityAction==

<source lang="csharp">using System.Security.Permissions;
[assembly:PermissionSet(SecurityAction.RequestOptional, Name = "Internet")]
class MainClass
{
public static void Main(){

}
}</source>

==Optional permission request for IsolatedStorageFilePermission==

<source lang="csharp">using System;
using System.Net;
using System.Security.Permissions;

[assembly: IsolatedStorageFilePermission(SecurityAction.RequestOptional, Unrestricted = true)]
class MainClass
{
public static void Main()
{
}
}</source>

==PrincipalPolicy.Intersect/Union==

<source lang="csharp">using System;
using System.Security.Permissions;
class MainClass
{
public static void MyMethod()
{
PrincipalPermission perm1 = new PrincipalPermission(null, @"MACHINE\Managers");
PrincipalPermission perm2 = new PrincipalPermission(null, @"MACHINE\Developers");
// Make the demand.
perm1.Union(perm2).Demand();
}
}</source>

==Refuse request for ReflectionPermission==

<source lang="csharp">using System;
using System.Net;
using System.Security.Permissions;

[assembly: ReflectionPermission(SecurityAction.RequestRefuse, Unrestricted = true)]
class MainClass
{
public static void Main()
{
FileIOPermission fileIOPerm = new FileIOPermission(FileIOPermissionAccess.Write, @"C:\Data");
fileIOPerm.Demand();
}
}</source>

==Specify the certification file==

<source lang="csharp">using System.Security.Permissions;
[PublisherIdentityPermission(SecurityAction.InheritanceDemand, CertFile = "YourCertFile.cer")]
public class MainClass
{
[PermissionSet(SecurityAction.InheritanceDemand, Name="FullTrust")]
public void SomeProtectedMethod ()
{
}
}</source>

==Test if the current assembly has the specified permission==

<source lang="csharp">using System;
using System.Security;
using System.Security.Permissions;
class MainClass
{
public static void Main()
{
FileIOPermission fileIOPerm = new FileIOPermission(FileIOPermissionAccess.Write, @"C:\Data");
Console.WriteLine(SecurityManager.IsGranted(fileIOPerm));
}
}</source>
<pre class=codeResult>True</pre>

==UnmanagedCode element of SecurityPermission( controls the code�s ability to execute unmanaged code)==

<source lang="csharp">using System;
using System.Net;
using System.Security.Permissions;
[assembly:SecurityPermission(SecurityAction.RequestMinimum, UnmanagedCode = true)]
class MainClass
{
public static void Main()
{
}
}</source>

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Csharp/CSharp Tutorial/Security/Permissions - История изменений

в 15:31, 26 мая 2010

Admin: 1 версия