We found the solution for our problem: The ppd of the printer violated
RFC 8011 section 5.1.4 on some attributes. Therefore get-printer-
attributes returned an error for some attributes and version
2.0.0-0ubuntu7.1 now removes the printer:
++ // Check if the response is valid
++ if (!ippValidateAttributes(response))
++ {
++ ippDelete(response);
++ response = NULL;
++ }
** Changed in: libcupsfilters (Ubuntu)
Status: New => Invalid
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https://bugs.launchpad.net/bugs/2089231
Title:
libcupsfilters2 2.0.0-0ubuntu7.1 ignores printers
Status in libcupsfilters package in Ubuntu:
Invalid
Bug description:
Hello,
we have a cups-browsed.conf with the following filters defined:
BrowseRemoteProtocols dnssd
LocalQueueNamingRemoteCUPS RemoteName
BrowsePoll cups1.bytec.de
BrowseFilter name copier3|HP_OfficeJet_Pro_6970_F2C406|mail|mailpdf
With version 2.0.0-0ubuntu7 of libcupsfilters2t64 we see all defined
printers:
printer copier3 is idle. enabled since Thu Nov 21 08:59:39 2024
printer copier3_a3 is idle. enabled since Thu Nov 21 08:59:40 2024
printer HP_OfficeJet_Pro_6970_F2C406 is idle. enabled since Thu Nov 21
08:59:44 2024
printer mail is idle. enabled since Thu Nov 21 08:59:39 2024
printer mailattach is idle. enabled since Thu Nov 21 08:59:40 2024
printer mailpdf is idle. enabled since Thu Nov 21 08:59:40 2024
With version 2.0.0-0ubuntu7.1 the printers named copier3* are missing!
See attached the logfile of both versions.
Hope you can help.
Helmut
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