Win32 Programming

Nov 17, 2012

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Before We Begin. Much of the time in this class we'll be calling Win32 FunctionsHowever, sometimes they're not going to work as you expectHow do you deal with the unexpected?. Return Codes. Windows functions (and C/C calls in general) can only directly return one value why?. Common Win32 Retur

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Win32 Programming

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Win32 Programming

Win32 Programming. Jim Fawcett CSE775 – Distributed Objects Spring 2007. References. Programming Applications for Microsoft Windows, 4 th Edition, Jeffrey Richter, Microsoft Press, 1999 Unicode , More Unicode Win32 Code Tips Windows SDK Issues. Topics. Important header files Errors

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Win32 Programming

Where are we?. Last topic: I/O Completion PortsRemind me what we did last class

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Win32 Programming

Win32 Programming. Jim Fawcett CSE775 – Distributed Objects Spring 2016. References. Programming Applications for Microsoft Windows, 4 th Edition, Jeffrey Richter, Microsoft Press, 1999 Unicode , More Unicode Win32 Code Tips www.Catch22.net Tips #1 , Tips #2 , Tutorials

485 views • 19 slides

Win32 Programming

Win32 Programming. Lesson 3: C++ Refresher. Before We Begin. You can call the Win32 APIs in a lot of different languages (Visual J++, Visual Basic .NET, C#) but we’ll be using C++ Lower-level language, closer to the metal Don’t mix up Managed C++ with Unmanaged (at least for now!)

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Win32 Programming

Win32 Programming. Lesson 4: Classes and Structures. Last Time…. We covered a quick overview of C++ Now, we look in more detail at the way classes work This is important, as you’ll need a working knowledge in order to interoperate with Win32 APIs. Classes. Remember Structures?

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Win32 Programming

Win32 Programming. Lesson 9: Jobs & Thread Basics. Where are we?. We’ve got processes sort of worked out… But every process must have a thread associated with it This lesson, we’ll work on threads – understanding threads is critical to understanding Windows programming

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Win32 Programming

Win32 Programming. Lesson 16: Virtual Memory. Where are we?. We’ve covered the theory of Windows memory, and poked around some Now let’s use how to use memory. Three ways to Use Memory. Virtual Memory – Best for very large arrays and structures

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Win32 Programming

Win32 Programming. Lesson 19: Introduction to DLLs. Where are we?. Memory allocation: sorted Processes and Threads: Done But… how does Windows structure its executables – what are DLLs and how can we use them to our advantage?. DLLs. Understanding DLLs is essential to understanding Windows

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Win32 Programming

Win32 Programming. Lesson 25: Unhandled Exceptions Bet you’ve never encountered one of those, eh?. Where are we?. Covered exception handling in depth… But there’s more! Yay ! And an assignment, how lucky you are!. Applications don’t have to handle.

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Win32 Programming

Win32 Programming. Lesson 11: User-mode Thread Sync (aka: How to crash your machine without really trying…). Where are we?. We’ve got thread basics worked out… even priorities But right now, all the examples are sort-of contrived… Need to understand how to communicate from thread to thread.

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Win32 Programming

Win32 Programming. Lesson 22: DLL Magic Part Deux All your base are belong to us…. Where are we?. We’ve looked at injection techniques in general But now it’s time to get specific. Remind Me…. What’s the trick we’re trying to pull off?. Injecting DLLs using a Remote Thread.

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Win32 Programming

Win32 Programming. Lesson 17: Memory Mapped Files (Finally, cool stuff again, all this work is getting tedious!). Where are we?. We’ve gotten pretty familiar with memory But now it’s time to look at some of the clever tricks you can play with memory. Memory mapped files.

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Win32 Programming

Win32 Programming. Lesson 1: Why We’re All Here. Why We’re Here…. Okay, maybe that’s too grandiose Windows – in particular Win32 Thirty-what? What it is, why it is…. Today. Rules of the game Book Office Hours Grading Material Learning contract. Rules of the Game.

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Win32 Programming

Win32 Programming. Lesson 2: The Tools of the Trade. So, some of you came back…. Given that you’re still here, let’s look at the tools of the trade Resources to use to get you up and running. Today. Software Visual Studio Virtual PC SVN Places MSDN Google. Virtual PC.

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Win32 Programming

Win32 Programming. Lesson 8a: Jobs. Where are we?. Grouping processes into logical groups: Jobs However, processes don’t retain a parent-child relationship which can make life difficult… very difficult. Jobs. Introduced in Windows 2000 Based upon the Job Kernel Object

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Win32 Programming

Win32 Programming. Lesson 15: Practical Windows Memory (If you can read this you have good vision). Where are we?. We’ve covered the theory of Windows memory, but not the details Let’s delve down into the details…. System Information. There are a lot of system information calls in Win32

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Win32 Programming

Win32 Programming. Lesson 21: DLL Magic. Where are we?. We’ve looked at DLLs from a build/link/execute perspective, as well as some more advanced techniques Today, start looking at Thread Local Storage and DLL interception >:). Thread Local Storage (TLS). What does the strtok function do?

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Win32 Programming

Win32 Programming. Lesson 24: More SEH That’s right… you’ll never generate an exception, will you?. Where are we?. Looked at __finally blocks… But you can also deal with the exception using __except. Basic structure. __try { //code } __except { //exception handler }

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Win32 Programming

Win32 Programming. Lesson 7: Kernel Objects. Abstract. Many of the concepts we’ll look at today won’t make complete sense until you use them However, it’s impossible to talk about Windows without understanding how the API’s interact with Kernel Objects. What is a Kernel Object?.

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Win32 Programming

Win32 Programming. Lesson 5: Error Codes. Before We Begin. Much of the time in this class we’ll be calling Win32 Functions However, sometimes they’re not going to work as you expect How do you deal with the unexpected?. First, a question.

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Win32 Programming

Win32 Programming. Lesson 20: Advanced DLL Techniques. Where are we?. We’ve looked at DLLs from a build/link/execute perspective But there are many different tricks you can use to get more “bang for your buck”. Explicit DLL Loading. To use a DLL, a process must load it

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Win32 Programming

Win32 Programming. Lesson 23: SEH That’s right… you’ll never generate an exception, will you?. Where are we?. Looked at DLLs and their many facets But we’re not very good at handling errors yet… how does Windows do it?. Imagine. Your code will never generate an error

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