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Permission denied when filedevice prints anywhere other than /tmp/
I have created a custom ppd file in /usr/share/cups/model with the following properties
*Format Version: "4.3"
*FileVersion: "1.0"
*LanguageVersion: English
*LanguageEncoding: ISOLatin1
*PCFileName: "fileprinter.ppd"
*Manufacturer: "Custom"
*Product: "(Text File Output)"
*cupsFilter: "text/plain 0 fileprinter"
*ModelName: "Text File Output"
*ShortNickName: "Text File Output"
*NickName: "Text File Output"
And made a filter in /usr/lib/cups/filter like this
#!/bin/bash
cat "$6" > <myfolder>/$3
After that, I create my printer sudo lpadmin -p fileprinter -P /usr/share/cups/model/fileprinter.ppd -v file:///dev/null -E
I then print with sudo lp -d fileprinter -s -c -t<title> <filetoprint>
If <myfolder> is /tmp, this works perfectly. I get a new file created in /tmp with all the data from <filetoprint>. Unfortunately, I want it to print elsewhere, and when I do that, the filter fails and I get this in the logs
[Job 143] /usr/lib/cups/filter/fileprinter: line 2: <myfolder>/<filename>: Permission denied
The permissions on the filter is 755, and the permissions in the target directory is 777. I have tried changing the owners and permissions multiple times to no avail. This issue occurs everywhere I tried other than in /tmp.
Is /tmp the only place filedevices can print to?
OS: RHEL 9.5 Cups version: 2.3.3
a security policy may be effective. Check polkit or whatever is effective in your system. Note: cups is actively developed on openprinting.org
I used pkaction --verbose to see a list of all the policies in my system. Which one of these policies, if any, am I to change? Or is it another policy entirely?
description: Change printer settings
message: Privileges are required to change printer settings. This should only be needed from the Printers system settings panel.
vendor: The openSUSE Project
vendor_url: http://www.opensuse.org/
icon: printer
implicit any: auth_admin
implicit inactive: auth_admin
implicit active: auth_admin_keep
org.opensuse.cupspkhelper.mechanism.class-edit:
description: Add/Remove/Edit a class
message: Privileges are required to add/remove/edit a class.
vendor: The openSUSE Project
vendor_url: http://www.opensuse.org/
icon: printer
implicit any: auth_admin
implicit inactive: auth_admin
implicit active: auth_admin_keep
org.opensuse.cupspkhelper.mechanism.devices-get:
description: Get list of available devices
message: Privileges are required to get list of available devices.
vendor: The openSUSE Project
vendor_url: http://www.opensuse.org/
icon: printer
implicit any: auth_admin
implicit inactive: auth_admin
implicit active: auth_admin_keep
org.opensuse.cupspkhelper.mechanism.job-edit:
description: Restart/Cancel/Edit a job
message: Privileges are required to restart/cancel/edit a job.
vendor: The openSUSE Project
vendor_url: http://www.opensuse.org/
icon: printer
implicit any: auth_admin
implicit inactive: auth_admin
implicit active: yes
org.opensuse.cupspkhelper.mechanism.job-not-owned-edit:
description: Restart/Cancel/Edit a job owned by another user
message: Privileges are required to restart/cancel/edit a job owned by another user.
vendor: The openSUSE Project
vendor_url: http://www.opensuse.org/
icon: printer
implicit any: auth_admin
implicit inactive: auth_admin
implicit active: auth_admin_keep
org.opensuse.cupspkhelper.mechanism.printer-enable:
description: Enable/Disable a printer
message: Privileges are required to enable/disable a printer, or a class.
vendor: The openSUSE Project
vendor_url: http://www.opensuse.org/
icon: printer
implicit any: auth_admin
implicit inactive: auth_admin
implicit active: auth_admin_keep
org.opensuse.cupspkhelper.mechanism.printer-local-edit:
description: Add/Remove/Edit a local printer
message: Privileges are required to add/remove/edit a local printer.
vendor: The openSUSE Project
vendor_url: http://www.opensuse.org/
icon: printer
implicit any: auth_admin
implicit inactive: auth_admin
implicit active: auth_admin_keep
org.opensuse.cupspkhelper.mechanism.printer-remote-edit:
description: Add/Remove/Edit a remote printer
message: Privileges are required to add/remove/edit a remote printer.
vendor: The openSUSE Project
vendor_url: http://www.opensuse.org/
icon: printer
implicit any: auth_admin
implicit inactive: auth_admin
implicit active: auth_admin_keep
org.opensuse.cupspkhelper.mechanism.printer-set-default:
description: Set a printer as default printer
message: Privileges are required to set a printer, or a class, as default printer.
vendor: The openSUSE Project
vendor_url: http://www.opensuse.org/
icon: printer
implicit any: auth_admin
implicit inactive: auth_admin
implicit active: auth_admin_keep
org.opensuse.cupspkhelper.mechanism.printeraddremove:
description: Add/Remove/Edit a printer
message: Privileges are required to add/remove/edit a printer.
vendor: The openSUSE Project
vendor_url: http://www.opensuse.org/
icon: printer
implicit any: auth_admin
implicit inactive: auth_admin
implicit active: auth_admin_keep
org.opensuse.cupspkhelper.mechanism.server-settings:
description: Get/Set server settings
message: Privileges are required to get/set server settings.
vendor: The openSUSE Project
vendor_url: http://www.opensuse.org/
icon: printer
implicit any: auth_admin
implicit inactive: auth_admin
implicit active: auth_admin_keep