Hi,

I asked re-linq about .NET target build but they said that there are no
plans for that for now.

https://groups.google.com/d/topic/re-motion-users/o0wdhvqCYSY/discussion


2012/12/6 Oskar Berggren <[email protected]>

> What is re-linq's take on .Net 4? Can we use a custom build adapted
> for .Net 4 and/or get them to release such a build?
>
> /Oskar
>
>
> 2012/12/6 cremor <[email protected]>:
> > I've now found the reason for NH-3340 - NHibernate assembly loses the
> > AllowPartiallyTrustedCallers attribute after ILMerge
> > (https://nhibernate.jira.com/browse/NH-3340). But since this is going
> to be
> > more a question/discussion than a comment for that bug I'll post it here.
> >
> > So the reason why this attribute is there in NHibernate 3.3.x but is
> missing
> > in 4.0.0 is that the 3.3.x branch still uses some older ILMerge version
> > (2.10.526) whereas the master branch uses the latest version (2.12.803).
> > Using the old ILMerge for building the master branch solves the problem
> of
> > the missing AllowPartiallyTrustedCallers attribute (but causes other
> > problems, more on that later).
> >
> > Using the .NET Reflector I found the following code in the latest
> ILMerge:
> >
> > else if (((node6.Type == SystemTypes.SecurityCriticalAttribute) ||
> > (node6.Type == SystemTypes.SecurityTransparentAttribute)) ||
> ((node6.Type ==
> > SystemTypes.AllowPartiallyTrustedCallersAttribute) ||
> > node6.Type.FullName.Equals("System.Security.SecurityRules")))
> >             {
> >                 this.WriteToLog("Assembly level attribute '{0}' from
> > assembly '{1}' being deleted from target assembly", new object[] {
> > node6.Type.FullName, a.Name });
> >                 a.Attributes[num8] = null;
> >             }
> >
> > So it seems like all those security attributes are always removed.
> > Interestingly the change log of ILMerge
> > (http://research.microsoft.com/en-us/people/mbarnett/changehistory.aspx)
> > doesn't mention this change. But most likely it was because of the
> problem
> > I'm now getting:
> >
> > After merging the NHibernate 4.0.0 assembly with the old ILMerge I'm
> getting
> > the following exception when executing a Linq query:
> > Inheritance security rules violated while overriding member:
> >
> 'Remotion.Linq.Utilities.ArgumentTypeException.GetObjectData(System.Runtime.Serialization.SerializationInfo,
> > System.Runtime.Serialization.StreamingContext)'. Security accessibility
> of
> > the overriding method must match the security accessibility of the method
> > being overriden.
> >
> > So re-linq is not setting the correct security attributes for .NET 4.0
> which
> > is understandable since it still targets 3.5. How should this ever work
> > without requiring all dependencies to target .NET 4.0 and fixing their
> > security attributes?
> >
> > I'm no .NET security expert but I think the best solution would be to
> > rollback to the old ILMerge version and additionally set the [assembly:
> > SecurityRules(SecurityRuleSet.Level1)] attribute for the NHibernate
> > assembly. That way everything should behave like previously. Completely
> > removing ILMerge and falling back to seperate assemlies should also be an
> > option, but I don't think that is a good solution. Opinions?
> >
> > PS: Here is a very good explanation of what AllowPartiallyTrustedCallers
> > means in the .NET 4.0 security world:
> > http://msdn.microsoft.com/en-us/magazine/ee336023.aspx
>

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