"Lambuz" <lamb***@gmail.com> wrote in message
news:1158846076.053930.44260@d34g2000cwd.googlegroups.com...
> First of all, is it possible usign .NET remoting feature inside a .NET
> applet loaded into a tag object inside an HTML page ?
>
> <OBJECT id="myID" height="150" width="300"
> classid="http:applet.dll#test.applet"> </OBJECT>
>
> If not please can anyone explain why ?
>
> I think yes and so I'd written a small example immediately I've met a
> problem.
>
> I'm using .NET Framework v. 1.1.4322 and it's the only version
> installed both client side and server side.
>
> My test applet is correctly loaded into IE client but when I try to
> setting programmatically the remoting I aways obtain a
> SecurityException even if the assembly is strong name signed and client
> side fully trusted.
>
> The exception is the following:
> System.Security.SecurityException: Request for the permission of type
> System.Security.Permissions.SecurityPermission, mscorlib,
> Version=1.0.5000.0, Culture=neutral, PublicKeyToken=b77a5c561934e089
> failed.
> at
> System.Security.CodeAccessSecurityEngine.CheckTokenBasedSetHelper(Boolean
> ignoreGrants, TokenBasedSet grants, TokenBasedSet denied, TokenBasedSet
> demands)
> at
> System.Security.CodeAccessSecurityEngine.CheckSetHelper(PermissionSet
> grants, PermissionSet denied, PermissionSet demands)
> at
> System.Runtime.Remoting.Channels.ChannelServices.RegisterChannel(IChannel
> chnl) at test.applet.Check()
>
> Could anyone help me please ?
>
> Best regards
>

"Lambuz" <lamb***@gmail.com> wrote in message
news:1158910643.043445.259660@d34g2000cwd.googlegroups.com...
>> .NET controls, when loaded inside IE, are given pretty restricted
>> security
>> permissions. In particular, they are not allowed to access the network.
>> You
>> can change this permission set by using the .NET Framework configuration
>> tools, but this will have to be done on every machine where your code is
>> going to be used.
>
> While I was waiting an answer from somebody I've solved my problem, but
> now I've got another one.
>
> The code I'm using is the following:
>
> PermissionSet ps = new PermissionSet(PermissionState.None);
> ps.AddPermission(new SecurityPermission(PermissionState.Unrestricted));
>
> ps.AddPermission(new SocketPermission(PermissionState.Unrestricted));
> ps.Assert();
>
> TcpClientChannel _channel = new TcpClientChannel();
> ChannelServices.RegisterChannel(_channel);
> RemotingConfiguration.RegisterActivatedClientType(typeof(DataProvider),"tcp://localhost:8081");
>
> //DataProvider dp = (DataProvider)
> (Activator.CreateInstance(typeof(DataProvider)));
> DataProvider dp = new DataProvider();
>
>
> As you can see even if my assembly is strong name signed and fully
> trusted by strong nome reference I must create to permission and it's
> very strange for me...can you explain to me ?
> > My real problem is that if I create my remote object by Activatar
> object I always obtain the following exception:
>
> System.Security.SecurityException: Request failed.
>   at System.RuntimeType.CreateInstanceImpl(Boolean publicOnly)
>   at System.Activator.CreateInstance(Type type, Boolean nonPublic)
>   at System.Activator.CreateInstance(Type type)
>   at IBM.Cipros.Refinery.CPRSWebClient.Check()
>
> The granted set of the failing assembly was:
> <PermissionSet class="System.Security.PermissionSet"
>               version="1">
>   <IPermission
> class="System.Security.Permissions.EnvironmentPermission, mscorlib,
> Version=1.0.5000.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"
>                version="1"
>                Read="USERNAME"/>
>   <IPermission
> class="System.Security.Permissions.FileDialogPermission, mscorlib,
> Version=1.0.5000.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"
>                version="1"
>                Unrestricted="true"/>
>   <IPermission
> class="System.Security.Permissions.IsolatedStorageFilePermission,
> mscorlib, Version=1.0.5000.0, Culture=neutral,
> PublicKeyToken=b77a5c561934e089"
>                version="1"
>                Allowed="AssemblyIsolationByUser"
>                UserQuota="9223372036854775807"
>                Expiry="9223372036854775807"
>                Permanent="True"/>
>   <IPermission
> class="System.Security.Permissions.ReflectionPermission, mscorlib,
> Version=1.0.5000.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"
>                version="1"
>                Flags="ReflectionEmit"/>
>   <IPermission class="System.Security.Permissions.SecurityPermission,
> mscorlib, Version=1.0.5000.0, Culture=neutral,
> PublicKeyToken=b77a5c561934e089"
>                version="1"
>                Flags="Assertion, Execution, BindingRedirects"/>
>   <IPermission class="System.Security.Permissions.UIPermission,
> mscorlib, Version=1.0.5000.0, Culture=neutral,
> PublicKeyToken=b77a5c561934e089"
>                version="1"
>                Unrestricted="true"/>
>   <IPermission class="System.Net.DnsPermission, System,
> Version=1.0.5000.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"
>                version="1"
>                Unrestricted="true"/>
>   <IPermission class="System.Drawing.Printing.PrintingPermission,
> System.Drawing, Version=1.0.5000.0, Culture=neutral,
> PublicKeyToken=b03f5f7f11d50a3a"
>                version="1"
>                Level="DefaultPrinting"/>
>   <IPermission class="System.Diagnostics.EventLogPermission, System,
> Version=1.0.5000.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"
>                version="1">
>      <Machine name="."
>               access="Instrument"/>
>   </IPermission>
>   <IPermission class="System.Net.WebPermission, System,
> Version=1.0.5000.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"
>                version="1">
>      <ConnectAccess>
>         <URI uri="(https|http)://localhost/.*"/>
>      </ConnectAccess>
>   </IPermission>
>   <IPermission
> class="System.Security.Permissions.SiteIdentityPermission, mscorlib,
> Version=1.0.5000.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"
>                version="1"
>                Site="localhost"/>
>   <IPermission
> class="System.Security.Permissions.UrlIdentityPermission, mscorlib,
> Version=1.0.5000.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"
>                version="1"
>                Url="http://localhost/"/>
>   <IPermission
> class="System.Security.Permissions.ZoneIdentityPermission, mscorlib,
> Version=1.0.5000.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"
>                version="1"
>                Zone="Intranet"/>
> </PermissionSet>
>
> If I use directly the contructor of my remote object it takes a couple
> of minute to create it, it is very strange because if I use the
> prevoius code inside a console application the remote creation is very
> quickly, quite immediat. Do you know the reason ?
>
>
>>
>> Consider using an AJAX-like approach when JavaScript code on the page
>> uses
>> the XMLHttpRequest object to talk to the server and then feeds the
>> received
>> data to the .NET object hosted within the OBJECT tag.
>>
>
> it is already the first alternative if my initial solution is
> impossible to realize.
>

>
> Another thing you can try is trying the "Adjust Zone Security" wizard, a
> link to which is available on the same page in the right pane. However, be
> careful and don't loosen the security too much. I'd rather consider
> loosening the security restrictions for the "Trusted Sites" zone (given you
> have the ability and willingness to consider the site hosting the
> DataProvider as a trusted site).
>
> --
> Regards,
> Dmytro Lapshyn [MVP]
> http://blogs.vbcity.com/DmytroL
>
> "Lambuz" <lamb***@gmail.com> wrote in message
> news:1158910643.043445.259660@d34g2000cwd.googlegroups.com...
> >> .NET controls, when loaded inside IE, are given pretty restricted
> >> security
> >> permissions. In particular, they are not allowed to access the network.
> >> You
> >> can change this permission set by using the .NET Framework configuration
> >> tools, but this will have to be done on every machine where your code is
> >> going to be used.
> >
> > While I was waiting an answer from somebody I've solved my problem, but
> > now I've got another one.
> >
> > The code I'm using is the following:
> >
> > PermissionSet ps = new PermissionSet(PermissionState.None);
> > ps.AddPermission(new SecurityPermission(PermissionState.Unrestricted));
> >
> > ps.AddPermission(new SocketPermission(PermissionState.Unrestricted));
> > ps.Assert();
> >
> > TcpClientChannel _channel = new TcpClientChannel();
> > ChannelServices.RegisterChannel(_channel);
> > RemotingConfiguration.RegisterActivatedClientType(typeof(DataProvider),"tcp://localhost:8081");
> >
> > //DataProvider dp = (DataProvider)
> > (Activator.CreateInstance(typeof(DataProvider)));
> > DataProvider dp = new DataProvider();
> >
> >
> > As you can see even if my assembly is strong name signed and fully
> > trusted by strong nome reference I must create to permission and it's
> > very strange for me...can you explain to me ?
> > > My real problem is that if I create my remote object by Activatar
> > object I always obtain the following exception:
> >
> > System.Security.SecurityException: Request failed.
> >   at System.RuntimeType.CreateInstanceImpl(Boolean publicOnly)
> >   at System.Activator.CreateInstance(Type type, Boolean nonPublic)
> >   at System.Activator.CreateInstance(Type type)
> >   at IBM.Cipros.Refinery.CPRSWebClient.Check()
> >
> > The granted set of the failing assembly was:
> > <PermissionSet class="System.Security.PermissionSet"
> >               version="1">
> >   <IPermission
> > class="System.Security.Permissions.EnvironmentPermission, mscorlib,
> > Version=1.0.5000.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"
> >                version="1"
> >                Read="USERNAME"/>
> >   <IPermission
> > class="System.Security.Permissions.FileDialogPermission, mscorlib,
> > Version=1.0.5000.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"
> >                version="1"
> >                Unrestricted="true"/>
> >   <IPermission
> > class="System.Security.Permissions.IsolatedStorageFilePermission,
> > mscorlib, Version=1.0.5000.0, Culture=neutral,
> > PublicKeyToken=b77a5c561934e089"
> >                version="1"
> >                Allowed="AssemblyIsolationByUser"
> >                UserQuota="9223372036854775807"
> >                Expiry="9223372036854775807"
> >                Permanent="True"/>
> >   <IPermission
> > class="System.Security.Permissions.ReflectionPermission, mscorlib,
> > Version=1.0.5000.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"
> >                version="1"
> >                Flags="ReflectionEmit"/>
> >   <IPermission class="System.Security.Permissions.SecurityPermission,
> > mscorlib, Version=1.0.5000.0, Culture=neutral,
> > PublicKeyToken=b77a5c561934e089"
> >                version="1"
> >                Flags="Assertion, Execution, BindingRedirects"/>
> >   <IPermission class="System.Security.Permissions.UIPermission,
> > mscorlib, Version=1.0.5000.0, Culture=neutral,
> > PublicKeyToken=b77a5c561934e089"
> >                version="1"
> >                Unrestricted="true"/>
> >   <IPermission class="System.Net.DnsPermission, System,
> > Version=1.0.5000.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"
> >                version="1"
> >                Unrestricted="true"/>
> >   <IPermission class="System.Drawing.Printing.PrintingPermission,
> > System.Drawing, Version=1.0.5000.0, Culture=neutral,
> > PublicKeyToken=b03f5f7f11d50a3a"
> >                version="1"
> >                Level="DefaultPrinting"/>
> >   <IPermission class="System.Diagnostics.EventLogPermission, System,
> > Version=1.0.5000.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"
> >                version="1">
> >      <Machine name="."
> >               access="Instrument"/>
> >   </IPermission>
> >   <IPermission class="System.Net.WebPermission, System,
> > Version=1.0.5000.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"
> >                version="1">
> >      <ConnectAccess>
> >         <URI uri="(https|http)://localhost/.*"/>
> >      </ConnectAccess>
> >   </IPermission>
> >   <IPermission
> > class="System.Security.Permissions.SiteIdentityPermission, mscorlib,
> > Version=1.0.5000.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"
> >                version="1"
> >                Site="localhost"/>
> >   <IPermission
> > class="System.Security.Permissions.UrlIdentityPermission, mscorlib,
> > Version=1.0.5000.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"
> >                version="1"
> >                Url="http://localhost/"/>
> >   <IPermission
> > class="System.Security.Permissions.ZoneIdentityPermission, mscorlib,
> > Version=1.0.5000.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"
> >                version="1"
> >                Zone="Intranet"/>
> > </PermissionSet>
> >
> > If I use directly the contructor of my remote object it takes a couple
> > of minute to create it, it is very strange because if I use the
> > prevoius code inside a console application the remote creation is very
> > quickly, quite immediat. Do you know the reason ?
> >

>> You can do so by launching the .NET Configuration MMC console, then clicking
>> on the "Runtime Security Policy" node in the left pane and then clicking on
>> the "Evaluate Assembly" task link in the right pane.
>
> I've already tested it and everything is ok.
>
> What about my other problem:
>
> -----------------------
> If I use directly the contructor of my remote object it takes a couple
> of minute to create it, it is very strange because if I use the
> prevoius code inside a console application the remote creation is very
> quickly, quite immediat. Do you know the reason ?
> ---------------------------------
>
>> Another thing you can try is trying the "Adjust Zone Security" wizard, a
>> link to which is available on the same page in the right pane. However, be
>> careful and don't loosen the security too much. I'd rather consider
>> loosening the security restrictions for the "Trusted Sites" zone (given you
>> have the ability and willingness to consider the site hosting the
>> DataProvider as a trusted site).
>>
>> --
>> Regards,
>> Dmytro Lapshyn [MVP]
>> http://blogs.vbcity.com/DmytroL
>>
>> "Lambuz" <lamb***@gmail.com> wrote in message
>> news:1158910643.043445.259660@d34g2000cwd.googlegroups.com...
>>>> .NET controls, when loaded inside IE, are given pretty restricted
>>>> security
>>>> permissions. In particular, they are not allowed to access the network.
>>>> You
>>>> can change this permission set by using the .NET Framework configuration
>>>> tools, but this will have to be done on every machine where your code is
>>>> going to be used.
>>> While I was waiting an answer from somebody I've solved my problem, but
>>> now I've got another one.
>>>
>>> The code I'm using is the following:
>>>
>>> PermissionSet ps = new PermissionSet(PermissionState.None);
>>> ps.AddPermission(new SecurityPermission(PermissionState.Unrestricted));
>>>
>>> ps.AddPermission(new SocketPermission(PermissionState.Unrestricted));
>>> ps.Assert();
>>>
>>> TcpClientChannel _channel = new TcpClientChannel();
>>> ChannelServices.RegisterChannel(_channel);
>>> RemotingConfiguration.RegisterActivatedClientType(typeof(DataProvider),"tcp://localhost:8081");
>>>
>>> //DataProvider dp = (DataProvider)
>>> (Activator.CreateInstance(typeof(DataProvider)));
>>> DataProvider dp = new DataProvider();
>>>
>>>
>>> As you can see even if my assembly is strong name signed and fully
>>> trusted by strong nome reference I must create to permission and it's
>>> very strange for me...can you explain to me ?
>>>> My real problem is that if I create my remote object by Activatar
>>> object I always obtain the following exception:
>>>
>>> System.Security.SecurityException: Request failed.
>>>   at System.RuntimeType.CreateInstanceImpl(Boolean publicOnly)
>>>   at System.Activator.CreateInstance(Type type, Boolean nonPublic)
>>>   at System.Activator.CreateInstance(Type type)
>>>   at IBM.Cipros.Refinery.CPRSWebClient.Check()
>>>
>>> The granted set of the failing assembly was:
>>> <PermissionSet class="System.Security.PermissionSet"
>>>               version="1">
>>>   <IPermission
>>> class="System.Security.Permissions.EnvironmentPermission, mscorlib,
>>> Version=1.0.5000.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"
>>>                version="1"
>>>                Read="USERNAME"/>
>>>   <IPermission
>>> class="System.Security.Permissions.FileDialogPermission, mscorlib,
>>> Version=1.0.5000.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"
>>>                version="1"
>>>                Unrestricted="true"/>
>>>   <IPermission
>>> class="System.Security.Permissions.IsolatedStorageFilePermission,
>>> mscorlib, Version=1.0.5000.0, Culture=neutral,
>>> PublicKeyToken=b77a5c561934e089"
>>>                version="1"
>>>                Allowed="AssemblyIsolationByUser"
>>>                UserQuota="9223372036854775807"
>>>                Expiry="9223372036854775807"
>>>                Permanent="True"/>
>>>   <IPermission
>>> class="System.Security.Permissions.ReflectionPermission, mscorlib,
>>> Version=1.0.5000.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"
>>>                version="1"
>>>                Flags="ReflectionEmit"/>
>>>   <IPermission class="System.Security.Permissions.SecurityPermission,
>>> mscorlib, Version=1.0.5000.0, Culture=neutral,
>>> PublicKeyToken=b77a5c561934e089"
>>>                version="1"
>>>                Flags="Assertion, Execution, BindingRedirects"/>
>>>   <IPermission class="System.Security.Permissions.UIPermission,
>>> mscorlib, Version=1.0.5000.0, Culture=neutral,
>>> PublicKeyToken=b77a5c561934e089"
>>>                version="1"
>>>                Unrestricted="true"/>
>>>   <IPermission class="System.Net.DnsPermission, System,
>>> Version=1.0.5000.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"
>>>                version="1"
>>>                Unrestricted="true"/>
>>>   <IPermission class="System.Drawing.Printing.PrintingPermission,
>>> System.Drawing, Version=1.0.5000.0, Culture=neutral,
>>> PublicKeyToken=b03f5f7f11d50a3a"
>>>                version="1"
>>>                Level="DefaultPrinting"/>
>>>   <IPermission class="System.Diagnostics.EventLogPermission, System,
>>> Version=1.0.5000.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"
>>>                version="1">
>>>      <Machine name="."
>>>               access="Instrument"/>
>>>   </IPermission>
>>>   <IPermission class="System.Net.WebPermission, System,
>>> Version=1.0.5000.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"
>>>                version="1">
>>>      <ConnectAccess>
>>>         <URI uri="(https|http)://localhost/.*"/>
>>>      </ConnectAccess>
>>>   </IPermission>
>>>   <IPermission
>>> class="System.Security.Permissions.SiteIdentityPermission, mscorlib,
>>> Version=1.0.5000.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"
>>>                version="1"
>>>                Site="localhost"/>
>>>   <IPermission
>>> class="System.Security.Permissions.UrlIdentityPermission, mscorlib,
>>> Version=1.0.5000.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"
>>>                version="1"
>>>                Url="http://localhost/"/>
>>>   <IPermission
>>> class="System.Security.Permissions.ZoneIdentityPermission, mscorlib,
>>> Version=1.0.5000.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"
>>>                version="1"
>>>                Zone="Intranet"/>
>>> </PermissionSet>
>>>
>>> If I use directly the contructor of my remote object it takes a couple
>>> of minute to create it, it is very strange because if I use the
>>> prevoius code inside a console application the remote creation is very
>>> quickly, quite immediat. Do you know the reason ?
>>>
>
> I'll try...but please take a look at my other problem described above.
>
> thanks
>