Скачать или смотреть Automating the Java keytool Command with VBScript: A Guide to Extracting Certificate Metadata

Discover how to automate the `Java keytool` command using VBScript to extract certificate metadata efficiently. Follow this guide to solve common issues and successfully output results.
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Automating the Java keytool Command with VBScript

If you are working in a Windows Server environment and need to extract metadata from certificates stored in Java KeyStore (JKS) files, you might face some challenges with automation. One common scenario is attempting to automate the keytool utility using VBScript, only to find that the desired output doesn't materialize as expected. In this guide, we'll explore the problem of automating the keytool command using VBScript and how to overcome it.

Understanding the Issue

You are attempting to use the Java keytool command to list the certificate metadata from a .jks file located in one of two directories. This command works perfectly when executed manually. However, when you try to run the same command through a VBScript, it fails to produce any output.

Here’s a brief overview of your situation:

You have a command that works manually:

[[See Video to Reveal this Text or Code Snippet]]

The command runs successfully in the command line but not through your VBScript.

You are using a WshShell object to run the command but aren't getting the output on the specified drive.

The Solution

After identifying the issue, it became clear that the problem lies in how output redirection is handled. The WshShell.Run method does not capture the standard output of the command executed. To rectify this, you need to leverage the cmd /c directive, which allows you to execute the command in a command shell, where output redirection works as intended.

Step-by-Step Fix

Modify the Run Command:
By adding cmd /c to your original command line, the script can correctly execute the keytool command and redirect its output.

Here’s how the updated command looks:

[[See Video to Reveal this Text or Code Snippet]]

Full VBScript Code Updated:
Below is your updated VBScript code utilizing cmd /c for both directory checks:

[[See Video to Reveal this Text or Code Snippet]]

Batch File Execution:
Your batch file remains unchanged:

[[See Video to Reveal this Text or Code Snippet]]

Conclusion

By implementing the use of cmd /c in your VBScript, you will successfully capture the output of the Java keytool command into the specified flat files. This solution not only resolves your immediate issue but also enhances the automation capabilities of your certificate management tasks.

Now you can enjoy seamless execution of your keytool commands and avoid the hassle of manual intervention! Should you encounter any more obstacles or have questions, feel free to reach out for further assistance.