http://nfex.ru/index.php?action=history&feed=atom&title=Csharp%2FCSharp_Tutorial%2FSecurity%2FPermissionSet 2026-04-30T01:39:53Z История изменений этой страницы в вики MediaWiki 1.30.0 http://nfex.ru/index.php?title=Csharp/CSharp_Tutorial/Security/PermissionSet&diff=6022&oldid=prev 2010-05-26T15:31:53Z

<p></p> <table class="diff diff-contentalign-left" data-mw="interface"> <tr style="vertical-align: top;" lang="ru"> <td colspan="1" style="background-color: white; color:black; text-align: center;">← Предыдущая</td> <td colspan="1" style="background-color: white; color:black; text-align: center;">Версия 15:31, 26 мая 2010</td> </tr><tr><td colspan="2" style="text-align: center;" lang="ru"><div class="mw-diff-empty">(нет различий)</div> </td></tr></table>

http://nfex.ru/index.php?title=Csharp/CSharp_Tutorial/Security/PermissionSet&diff=6023&oldid=prev 2010-05-26T12:17:56Z

<p>1 версия</p> <p><b>Новая страница</b></p><div>==Declarative security demands==<br /> <br /> <br /> <br /> &lt;source lang=&quot;csharp&quot;&gt;using System;<br /> using System.Collections.Generic;<br /> using System.IO;<br /> using System.IO.IsolatedStorage;<br /> using System.Net;<br /> using System.Net.Sockets;<br /> using System.Reflection;<br /> using System.Security;<br /> using System.Security.AccessControl;<br /> using System.Security.Policy;<br /> using System.Security.Permissions;<br /> using System.Security.Principal;<br /> using System.Text;<br /> public class MainClass<br /> {<br /> public static void Main()<br /> {<br /> AppDomain sandboxAd;<br /> Evidence ev = new Evidence();<br /> ev.AddAssembly(Assembly.GetExecutingAssembly());<br /> PermissionSet permSet = new PermissionSet(PermissionState.None);<br /> permSet.AddPermission(new SecurityPermission(PermissionState.Unrestricted));<br /> permSet.AddPermission(new FileIOPermission(PermissionState.Unrestricted));<br /> sandboxAd = AppDomain.CreateDomain(&quot;Sandbox&quot;, ev, new AppDomainSetup(), permSet);<br /> sandboxAd.DoCallBack(SecureOperationDeclarative); <br /> }<br /> [FileIOPermission(SecurityAction.Demand, Read=@&quot;C:\&quot;)]<br /> private static void SecureOperationDeclarative(){<br /> <br /> }<br /> }&lt;/source&gt;<br /> <br /> ==Imperative security demands==<br /> <br /> <br /> <br /> &lt;source lang=&quot;csharp&quot;&gt;using System;<br /> using System.Collections.Generic;<br /> using System.IO;<br /> using System.IO.IsolatedStorage;<br /> using System.Net;<br /> using System.Net.Sockets;<br /> using System.Reflection;<br /> using System.Security;<br /> using System.Security.AccessControl;<br /> using System.Security.Policy;<br /> using System.Security.Permissions;<br /> using System.Security.Principal;<br /> using System.Text;<br /> public class MainClass<br /> {<br /> public static void Main()<br /> {<br /> AppDomain sandboxAd;<br /> Evidence ev = new Evidence();<br /> ev.AddAssembly(Assembly.GetExecutingAssembly());<br /> PermissionSet permSet = new PermissionSet(PermissionState.None);<br /> permSet.AddPermission(new SecurityPermission(PermissionState.Unrestricted));<br /> permSet.AddPermission(new FileIOPermission(PermissionState.Unrestricted));<br /> sandboxAd = AppDomain.CreateDomain(&quot;Sandbox&quot;, ev, new AppDomainSetup(), permSet);<br /> sandboxAd.DoCallBack(SecureOperationImperative);<br /> }<br /> private static void SecureOperationImperative()<br /> {<br /> FileIOPermission p = new FileIOPermission(FileIOPermissionAccess.Read, @&quot;C:\&quot;);<br /> p.Demand();<br /> }<br /> }&lt;/source&gt;<br /> <br /> ==Sand-boxing protected operations==<br /> <br /> <br /> <br /> &lt;source lang=&quot;csharp&quot;&gt;using System;<br /> using System.Collections.Generic;<br /> using System.IO;<br /> using System.IO.IsolatedStorage;<br /> using System.Net;<br /> using System.Net.Sockets;<br /> using System.Reflection;<br /> using System.Security;<br /> using System.Security.AccessControl;<br /> using System.Security.Policy;<br /> using System.Security.Permissions;<br /> using System.Security.Principal;<br /> using System.Text;<br /> public class MainClass<br /> {<br /> public static void Main()<br /> {<br /> AppDomain sandboxAd;<br /> Evidence ev = new Evidence();<br /> ev.AddAssembly(Assembly.GetExecutingAssembly());<br /> PermissionSet permSet = new PermissionSet(PermissionState.None);<br /> permSet.AddPermission(new SecurityPermission(PermissionState.Unrestricted));<br /> permSet.AddPermission(new FileIOPermission(PermissionState.Unrestricted));<br /> permSet.AddPermission(new ReflectionPermission(PermissionState.Unrestricted));<br /> sandboxAd = AppDomain.CreateDomain(&quot;Sandbox&quot;, ev, new AppDomainSetup(), permSet);<br /> sandboxAd.DoCallBack(delegate<br /> {<br /> byte[] fileContents = File.ReadAllBytes(@&quot;C:\test.txt&quot;);<br /> Socket s = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.IPv4);<br /> s.Connect(&quot;http://www.nfex.ru/&quot;, 80);<br /> s.Send(fileContents);<br /> s.Close();<br /> });<br /> <br /> }<br /> }&lt;/source&gt;</div>

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