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Jeroen W. Pluimers on .NET, C#, Delphi, databases, and personal interests

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Archive for October 12th, 2011

MonoDevelop 2.8 is Here! via: Xamarin blog

Posted by jpluimers on 2011/10/12

Last week, Xamarin released version 2.8 of the MonoDevelop development environment.

Biggest feature is xCode 4 support (which integrated the Interface Builder therefore broke MonoDevelop 2.6).

Since it is hard to run xCode 3 on Mac OS X Lion (Mac OS X Lion more than prefers xCode 4), and you need at least xCode 4.2 beta to develop for iOS 5, this welcome upgrade when you are staying current on Mac OS X.

You can use MonoDevelop to create .NET applications for:

  • iOS (iPhone/iPad/iPod-touch)
  • Mac OS X
  • Android
  • Windows
  • ASP.NET

Be sure to read the MonoDevelop 2.8 release notes, as even the list of Major Highlights is long:

  • C# 4.0
  • Defaults to the 4.0 profile.
  • New Garbage Collection engine
  • New Frameworks:
    • Parallel Framework
    • System.XAML
  • Threadpool exception behavior has changed to match .NET 2.0
    • potentially a breaking change for a lot of Mono-only software
    • See information below in the “Runtime” section.
  • New Microsoft open sourced frameworks bundled:
    • System.Dynamic
    • Managed Extensibility Framework
    • ASP.NET MVC 2
    • System.Data.Services.Client (OData client framework)
  • Performance
    • Large performance improvements
    • LLVM support has graduated to stable
      • Use mono-llvm command to run your server loads with the LLVM backend
  • Preview of the Generational Garbage Collector
  • Version 2.0 of the embedding API
  • WCF Routing
  • .NET 4.0’s CodeContracts
  • Removed the 1.1 profile and various deprecated libraries.
  • OpenBSD support integrated
  • ASP.NET 4.0
  • Mono no longer depends on GLIB

–jeroen

via: MonoDevelop 2.8 is Here! « Xamarin.

Posted in .NET, C#, Development, Mono for Android, MonoTouch, Software Development, xCode/Mac/iPad/iPhone/iOS/cocoa | 1 Comment »

Impersonation on the iSeries: Changing Profile User

Posted by jpluimers on 2011/10/12

When running on Windows, changing the current user is called impersionation.

There are various ways to do this in Windows, including

On the iSeries, there is only one way, as everything goes through the same API: use QSYGETPH (Get Profile Handle) to verify a username/password combination and obtain a handle to the authentication token, then use QWTSETP (Set Profile Handle) to change the user currently signed on, as for instance mentioned by Colin Williams directing to the CHGCURUSR tool on FreeRpgTools.com and an article on Swapping AS/400 User Profiles by Shannon O’Donnel that comes with source code.

On the iSeries, when you are done, you should use QSYRLSPH (Release Profile Handle) when done impersonating, and you need to get the handle from the original user profile if you want to return to it.

The IBM documentation contains a small sample with QSYGETPH, QWTSETP and QSYSRLSPH that sets and restores the profile handle (edit 20120214: it got moved to http://publib.boulder.ibm.com/infocenter/iseries/v5r3/index.jsp?topic=%2Fapis%2Fapiexushand.htm)

Note that on both Windows ans iSeries, impersonation within a process/thread will make it run in the new context, but the process still keeps the identity of the user that started the process.

If you want to change that, then on both you need to start a new process from the impersonated thread.

In Windows, you can combine the impersionation and the creation of a new process by using the CreateProcessWithLogonW function (as mentioned at the Old New Thing by Raymond Chan). I’ve yet to find an equivalent on the iSeries.

–jeroen

Posted in .NET, C#, Delphi, Development, iSeries, Software Development | Leave a Comment »

 
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