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From "Digy (JIRA)" <j...@apache.org>
Subject [jira] Commented: (LUCENENET-357) Mostly won't work on shared hosts / Mosso cloud etc due to 'Trust' levels
Date Tue, 20 Apr 2010 20:44:52 GMT

    [ https://issues.apache.org/jira/browse/LUCENENET-357?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12859054#action_12859054
] 

Digy commented on LUCENENET-357:
--------------------------------

Hi Frank,
WeakHashtable is the one of the innocent classes in Lucene.Net(No registry or eventlog access,
no DB, no reflection, no interop,  no file IO etc.).
I think we need more info to fix the problem.

what changes have you made related with "Environment"?
which version of Lucene.Net do you use?
what is the exception you get?
stack trace?
have you googled about problems of using Lucene.Net in Medium trust reported previously?

And finally, what changes do you you think have to be made to work Lucene.Net in meduim trust?

DIGY.

> Mostly won't work on shared hosts / Mosso cloud etc due to 'Trust' levels
> -------------------------------------------------------------------------
>
>                 Key: LUCENENET-357
>                 URL: https://issues.apache.org/jira/browse/LUCENENET-357
>             Project: Lucene.Net
>          Issue Type: Bug
>         Environment: .NET 3.5 / Medium or Medium modified trust
>            Reporter: Frank West
>
> Initially I had to remove a few references to the Sys Environment to get it to work.
However now it fails use of the 'Weak Hashtable' - any reference to a 'weak[something]' will
fail with a security exception. The issue only happens when returning sorted results.
> As an example here's the web.config modified trust file I'm being forced to use on Mosso
(Rackspace cloud)
> <configuration>
>   <mscorlib>
>     <security>
>       <policy>
>         <PolicyLevel version="1">
>           <SecurityClasses>
>             <SecurityClass Name="AllMembershipCondition" Description="System.Security.Policy.AllMembershipCondition,
mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"/>
>             <SecurityClass Name="AspNetHostingPermission" Description="System.Web.AspNetHostingPermission,
System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"/>
>             <SecurityClass Name="ConfigurationPermission" Description="System.Configuration.ConfigurationPermission,
System.Configuration, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a"/>
>             <SecurityClass Name="DnsPermission" Description="System.Net.DnsPermission,
System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"/>
>             <SecurityClass Name="EnvironmentPermission" Description="System.Security.Permissions.EnvironmentPermission,
mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"/>
>             <SecurityClass Name="FileIOPermission" Description="System.Security.Permissions.FileIOPermission,
mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"/>
>             <SecurityClass Name="FirstMatchCodeGroup" Description="System.Security.Policy.FirstMatchCodeGroup,
mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"/>
>             <SecurityClass Name="IsolatedStorageFilePermission" Description="System.Security.Permissions.IsolatedStorageFilePermission,
mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"/>
>             <SecurityClass Name="NamedPermissionSet" Description="System.Security.NamedPermissionSet"/>
>             <SecurityClass Name="PrintingPermission" Description="System.Drawing.Printing.PrintingPermission,
System.Drawing, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a"/>
>             <SecurityClass Name="SecurityPermission" Description="System.Security.Permissions.SecurityPermission,
mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"/>
>             <SecurityClass Name="SmtpPermission" Description="System.Net.Mail.SmtpPermission,
System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"/>
>             <SecurityClass Name="SqlClientPermission" Description="System.Data.SqlClient.SqlClientPermission,
System.Data, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"/>
>             <SecurityClass Name="StrongNameMembershipCondition" Description="System.Security.Policy.StrongNameMembershipCondition,
mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"/>
>             <SecurityClass Name="UIPermission" Description="System.Security.Permissions.UIPermission,
mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"/>
>             <SecurityClass Name="UnionCodeGroup" Description="System.Security.Policy.UnionCodeGroup,
mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"/>
>             <SecurityClass Name="UrlMembershipCondition" Description="System.Security.Policy.UrlMembershipCondition,
mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"/>
>             <SecurityClass Name="WebPermission" Description="System.Net.WebPermission,
System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"/>
>             <SecurityClass Name="ZoneMembershipCondition" Description="System.Security.Policy.ZoneMembershipCondition,
mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"/>
>             <SecurityClass Name="ReflectionPermission" Description="System.Security.Permissions.ReflectionPermission,
mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"/>
>             <SecurityClass Name="OleDbPermission" Description="System.Data.OleDb.OleDbPermission,
System.Data, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"/>
>             <SecurityClass Name="OdbcPermission" Description="System.Data.Odbc.OdbcPermission,
System.Data, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"/>
>             <SecurityClass Name="SocketPermission" Description="System.Net.SocketPermission,
System, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089"/>
>           </SecurityClasses>
>           <NamedPermissionSets>
>             <PermissionSet class="NamedPermissionSet" version="1" Unrestricted="true"
Name="FullTrust" Description="Allows full access to all resources"/>
>             <PermissionSet class="NamedPermissionSet" version="1" Name="Nothing" Description="Denies
all resources, including the right to execute"/>
>             <PermissionSet class="NamedPermissionSet" version="1" Name="ASP.Net">
>               <IPermission class="AspNetHostingPermission" version="1" Level="Medium"/>
>               <IPermission class="ConfigurationPermission" version="1" Unrestricted="true"/>
>               <IPermission class="DnsPermission" version="1" Unrestricted="true"/>
>               <IPermission class="EnvironmentPermission" version="1" Read="TEMP;TMP;USERNAME;OS;COMPUTERNAME"/>
>               <IPermission class="FileIOPermission" version="1" Read="$AppDir$" Write="$AppDir$"
Append="$AppDir$" PathDiscovery="$AppDir$"/>
>               <IPermission class="IsolatedStorageFilePermission" version="1" Allowed="AssemblyIsolationByUser"
UserQuota="9223372036854775807"/>
>               <!-- <IPermission class="PrintingPermission" version="1" Level="DefaultPrinting"/>
-->
>               <IPermission class="SecurityPermission" version="1" Flags="Assertion,
Execution, ControlThread, ControlPrincipal, RemotingConfiguration"/>
>               <IPermission class="SmtpPermission" version="1" Access="ConnectToUnrestrictedPort"/>
>               <IPermission class="SqlClientPermission" version="1" Unrestricted="true"/>
>               <IPermission class="WebPermission" version="1" Unrestricted="true"/>
>               <IPermission class="OleDbPermission" version="1" Unrestricted="true"/>
>               <IPermission class="OdbcPermission" version="1" Unrestricted="true"/>
>               <IPermission class="SocketPermission" version="1" Unrestricted="true"
/>
>               <IPermission class="ReflectionPermission" version="1" Unrestricted="true"/>
>             </PermissionSet>
>           </NamedPermissionSets>
>           <CodeGroup class="FirstMatchCodeGroup" version="1" PermissionSetName="Nothing">
>             <IMembershipCondition class="AllMembershipCondition" version="1"/>
>             <CodeGroup class="UnionCodeGroup" version="1" PermissionSetName="ASP.Net">
>               <IMembershipCondition class="UrlMembershipCondition" version="1" Url="$AppDirUrl$/*"/>
>             </CodeGroup>
>             <CodeGroup class="UnionCodeGroup" version="1" PermissionSetName="ASP.Net">
>               <IMembershipCondition class="UrlMembershipCondition" version="1" Url="$CodeGen$/*"/>
>             </CodeGroup>
>             <CodeGroup class="UnionCodeGroup" version="1" PermissionSetName="Nothing">
>               <IMembershipCondition class="ZoneMembershipCondition" version="1" Zone="MyComputer"/>
>               <CodeGroup class="UnionCodeGroup" version="1" PermissionSetName="FullTrust"
Name="Microsoft_Strong_Name" Description="This code group grants code signed with the Microsoft
strong name full trust. ">
>                 <IMembershipCondition class="StrongNameMembershipCondition" version="1"
PublicKeyBlob="002400000480000094000000060200000024000052534131000400000100010007D1FA57C4AED9F0A32E84AA0FAEFD0DE9E8FD6AEC8F87FB03766C834C99921EB23BE79AD9D5DCC1DD9AD236132102900B723CF980957FC4E177108FC607774F29E8320E92EA05ECE4E821C0A5EFE8F1645C4C0C93C1AB99285D622CAA652C1DFAD63D745D6F2DE5F17E5EAF0FC4963D261C8A12436518206DC093344D5AD293"/>
>               </CodeGroup>
>               <CodeGroup class="UnionCodeGroup" version="1" PermissionSetName="FullTrust"
Name="Ecma_Strong_Name" Description="This code group grants code signed with the ECMA strong
name full trust. ">
>                 <IMembershipCondition class="StrongNameMembershipCondition" version="1"
PublicKeyBlob="00000000000000000400000000000000"/>
>               </CodeGroup>
>             </CodeGroup>
>           </CodeGroup>
>         </PolicyLevel>
>       </policy>
>     </security>
>   </mscorlib>
> </configuration>

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