https://bugs.kde.org/show_bug.cgi?id=467685
Bug ID: 467685
Summary: CupsDoAuthentication immediately fails without
prompting a password
Classification: Applications
Product: systemsettings
Version: 5.27.0
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: kcm_printer_manager
Assignee: dantt...@gmail.com
Reporter: ferenos...@outlook.com
CC: plasma-b...@kde.org
Target Milestone: ---
SUMMARY
If you attempt to open the Add a Printer dialog on a user account that is not
in the group 'lpadmin', it will instantly fail to find printers with the error
'Forbidden'.
STEPS TO REPRODUCE
1. Add a user
2. Make sure that user does NOT have lpadmin
3. 'Add a Printer'
OBSERVED RESULT
A password dialog will show to elevate its privileges for the next steps
EXPECTED RESULT
Terminal output:
libkcups: CUPS-Get-Devices last error: 1025 Forbidden
libkcups: Calling cupsDoAuthentication() password_retries: 0
libkcups: Called cupsDoAuthentication(), success: false
(nothing prompted for authentication)
SOFTWARE/OS VERSIONS
Windows:
macOS:
Linux/KDE Plasma: KDE neon 5.27
(available in About System)
KDE Plasma Version: 5.27.0
KDE Frameworks Version: 5.104.0
Qt Version: 5.15.8
ADDITIONAL INFORMATION
This bug also affects Kubuntu 22.04 LTS. All other Desktop Environments scan
printers without an error without lpadmin, including system-config-printer.
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