Bug#1001172: Post processing script execution bug

[Martin-Éric Racine <martin-eric.racine@iki.fi>]

On Sun, Dec 5, 2021 at 7:27 PM Alex Liddiard <alex@whataphoto.org> wrote:
> Package: printer-driver-cups-pdf
> Version: 3.0.1-9
> Severity: normal
> X-Debbugs-Cc: alex.liddiard@warwickgrad.net
>
> Dear Maintainer,
>
> I added a script to the PostProcessing option and created a network shared cups-pdf printer.
> The script executed correctly when printing from a number of different devices on my network.
> I tried printing from a device which used an unusual username (contained brackets and spaces).
> The post processing script failed to execute.
>
> Modifying the script and using very simple scripts had no effect.
> I enabled full debug logging in cups-pdf and experimented with ipptool.
> Could not resolve the issue or find any workarounds.
>
> I discovered the bash command used to execute the script contained errors: special characters contained in the username were not escaped.
> This was causing the script execution to fail due to a bash syntax error.

I'm not sure I get what or where the bus is. Was your script not
capable of escaping special charachers? Something else?

Martin-Éric