monitoring user actions

This is a discussion on monitoring user actions within the Windows Programming forums, part of the Platform Specific Boards category; Say I wanted to create a program that prompts for a password (or does any other thing) when a user ...

  1. #1
    Kiss the monkey. CodeMonkey's Avatar
    Join Date
    Sep 2001

    monitoring user actions

    Say I wanted to create a program that prompts for a password (or does any other thing) when a user tries to open a certain file from the shell. How would you have a program monitor for that? I'm not asking for any code, just a "how-could-that-be-done". C++.
    "If you tell the truth, you don't have to remember anything"
    -Mark Twain

  2. #2
    mustang benny bennyandthejets's Avatar
    Join Date
    Jul 2002
    The file could be a dummy, just a small data file named something like "filename.ext.locked". Your program will be called with the filename specified in the command line, and you will refer to a database to check the user's input against the proper password. A shell extension would be more elegant, but this is an easy alternative. So, here is what would be involved:

    1. Edit HKEY_CLASSES_ROOT so that the extension ".locked" calls your program with the filename in the command line.

    2. There will be a (hopefully) encrypted database file where your program is that has a list of all your locked files and their passwords.

    3. The files themselves can be stored in either another, discreet folder, or compressed/encrypted for better security.

    4. The program simply asks for a password, then checks the database. If it is correct, the file is placed back at its location and run.
    Microsoft Visual Studio .NET 2003 Enterprise Architect
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  3. #3
    Semi n00b Mithoric's Avatar
    Join Date
    Jun 2003
    That's a pretty cool way of doing it. I think I'll have a go at that for fun.

    [edit:] Ooh, another aussie on the board..

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