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Posted 24 Nov 2002

Application Startup Permissions Validator

, 28 Mar 2013 CPOL
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This is a simple class/demo application that shows how to check whether the account that is being used to run the application has administrative rights.


A few of the applications that we write and use may need administrative capabilities to perform and complete the requests. To install the application we can ensure to have it wrapped into a Windows Installer (MSI) shell so that this requirement is taken care of. But how would we deal the same with respect to day to day use of the executable? 


This quick utility demonstrates two perspectives of dealing with this issue:

  1. Having an Application Manifest that stipulates the need for administrative access.
  2. Having  an Assert Permission Demand as a pre-requisite for the application to run.
  3. A quick manual check as a first step in the application. 

App Manifest  

For the project that you want to add 'Require Administrative' access, add an App.manifest file with the following directive amended:

<requestedExecutionLevel level="requireAdministrator" uiAccess="false" />

Permission Demand:

The constructor of the class which needs elevated permission should read as

[SecurityPermission(SecurityAction.Demand, Flags = SecurityPermissionFlag.AllFlags)]

Additionally, I am doing a quick check WindowsPrincipal of the logged on user and whether he is part of administrator. 

 Please note that the first step of App.Manifest would trigger the UAC alert if enabled. If UAC is disabled then there is a most likely chance that this step can be bypassed. However then our contingency checks in (2) and (3) can chip and help us out.


This brief tip/article has the following objectives to convey to a beginner .NET developer to focus on robust applications that conform to Windows Security and responsive enough to user permission requirements.  


This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)


About the Author

Vasudevan Deepak Kumar
Software Developer
India India
Vasudevan Deepak Kumar is from Chennai, India who has been in the programming career since 1994, when he was 15 years old. He has his Bachelors of Engineering (in Computer Science and Engineering) from Vellore Engineering College. He also has a MBA in Systems from Alagappa University, Karaikudi, India.
He started his programming career with GWBasic and then in his college was involved in developing programs in Fortran, Cobol, C++. He has been developing in Microsoft technologies like ASP, SQLServer 2000.
His current focus is ASP.NET, C#, VB.NET, PHP, SQL Server and MySQL. In his past-time, he listens to polite Carnatic Music. But the big question is that with his current Todolist backlog, does he get some past time?

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Comments and Discussions

GeneralNice Demo Pin
Gevik Babakhani25-Nov-02 14:10
memberGevik Babakhani25-Nov-02 14:10 
QuestionWhy not? Pin
Matthew Adams25-Nov-02 5:28
memberMatthew Adams25-Nov-02 5:28 
AnswerRe: Why not? Pin
Deepak Kumar Vasudevan25-Nov-02 5:33
memberDeepak Kumar Vasudevan25-Nov-02 5:33 
GeneralRe: Why not? Pin
Matthew Adams25-Nov-02 6:03
memberMatthew Adams25-Nov-02 6:03 

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