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WiX Cookbook

You're reading from   WiX Cookbook Over 60 hands-on recipes packed with tips and tricks to boost your Windows installations

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Product type Paperback
Published in Jan 2015
Publisher
ISBN-13 9781784393212
Length 260 pages
Edition 1st Edition
Languages
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Author (1):
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Nicholas Matthew Ramirez Nicholas Matthew Ramirez
Author Profile Icon Nicholas Matthew Ramirez
Nicholas Matthew Ramirez
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Toc

Table of Contents (15) Chapters Close

Preface 1. Organizing and Building WiX Projects FREE CHAPTER 2. Installing Files and Directories 3. File and Folder Permissions 4. Shortcuts 5. Editing XML Files during Installation 6. Custom Actions 7. Installing Wizards 8. Users and Groups 9. Handling Prerequisites 10. Installing Websites 11. Linking to the Web 12. Installing SQL Server Databases 13. Admin Tasks Index

Preventing custom action data from being displayed in the install log


When you install an MSI file with logging turned on, the Property elements that you've set will be displayed in the log. To make things more secure, the first thing we should do is add the Hidden attribute to each Property element that contains private information. For example, say we had a property called PASSWORD and we set its Hidden attribute to yes, as follows:

<Property Id="PASSWORD" 
          Value="my_password" 
          Hidden="yes" />

Now, the value of that property will be replaced with asterisks in the log:

Property(S): PASSWORD = **********

Unfortunately, if we pass that same property to a deferred custom action using the CustomActionData technique shown in the previous recipe, such as the following:

<SetProperty Id="CA_ReadProperty" 
             Value="PASSWORD=[PASSWORD]" 
             Sequence="execute" 
             Before="CA_ReadProperty" />

Then the PASSWORD value will be visible. Here's a...

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