Hello,
I'm creating an installer for an Office Add-in that uses some .NET components
which requires changes in CASPOL. I've had some success creating the code
groups using CASPOL in a custom action based on some code that I found for
installing Office Add-ins using the Visual Studio Installer builder. I can get
the add-in to work from my WiX installer if I just trust the entire
installation folder. However, I cannot get the assembly to load during the
install to apply security policy just to the assembly that needs it.
The specific line it fails on is:
AssemblyName assemblyName = Assembly.LoadFile(assemblyPath).GetName();
The error message is:
System.Reflection.TargetInvocationException: Exception has been thrown by the
target of an invocation. ---> System.Exception: Cannot create the security code
group 'PMXA'. ---> System.IO.FileNotFoundException: The system cannot find the
file specified. (Exception from HRESULT: 0x80070002)
at System.Reflection.Assembly.nLoadFile(String path, Evidence evidence)
at System.Reflection.Assembly.LoadFile(String path)
at CasCustomAction.CustomActions.AddSecurityPolicy(Boolean
machinePolicyLevel, String solutionCodeGroupName, String
solutionCodeGroupDescription, String assemblyPath, String
assemblyCodeGroupName, String assemblyCodeGroupDescription, Session session)
--- End of inner exception stack trace ---
at CasCustomAction.CustomActions.AddSecurityPolicy(Boolean
machinePolicyLevel, String solutionCodeGroupName, String
solutionCodeGroupDescription, String assemblyPath, String
assemblyCodeGroupName, String assemblyCodeGroupDescription, Session session)
at CasCustomAction.CustomActions.SetCas(Session session)
--- End of inner exception stack trace ---
at System.RuntimeMethodHandle._InvokeMethodFast(Object target, Object
arguments, SignatureStruct& sig, MethodAttributes methodAttributes,
RuntimeTypeHandle typeOwner)
at System.RuntimeMethodHandle.InvokeMethodFast(Object target, Object
arguments, Signature sig, MethodAttributes methodAttributes, RuntimeTypeHandle
typeOwner)
at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags
invokeAttr, Binder binder, Object parameters, CultureInfo culture, Boolean
skipVisibilityChecks)
at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags
invokeAttr, Binder binder, Object parameters, CultureInfo culture)
at
Microsoft.Deployment.WindowsInstaller.CustomActionProxy.InvokeCustomAction(Int32
sessionHandle, String entryPoint, IntPtr remotingDelegatePtr)
The assembly path used in the custom action looks correct to me and I've tested
that the built assembly can load properly outside of the custom action.
The relevant snippets of WIX are the following:
<Fragment>
<CustomAction Id='SetCas' BinaryKey='CasCustomAction' DllEntry='SetCas'
Execute='immediate'
Return='check'/>
<CustomAction Id='RemoveCas' BinaryKey='CasCustomAction'
DllEntry='RemoveCas' Execute='immediate'
Return='check'/>
<Binary Id='CasCustomAction'
SourceFile='$(var.SolutionDir)CasCustomAction\bin\$(var.CasCustomAction.Configuration)\CasCustomAction.CA.dll'/>
</Fragment>
...
<InstallExecuteSequence>
<Custom Action='SetCas' Before='InstallFinalize'>NOT Installed</Custom>
<Custom Action='RemoveCas' Before='InstallFinalize'>Installed AND NOT
UPGRADINGPRODUCTCODE</Custom>
</InstallExecuteSequence>
First, is there a better way to do CASPOL registration for a .NET assembly?
Second, any ideas on the error I'm encountering? Should I run the custom action
at a different step in the installer?
After I get this fixed, I'll have a much better installer than the crazy
spaghetti generated by Visual Studio. :)
Thanks.
Rob
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