[IPP] IPP Everywhere Printer Self-Certification Prototype Experience

[IPP] IPP Everywhere Printer Self-Certification Prototype Experience

[IPP] IPP Everywhere Printer Self-Certification Prototype Experience

Rodriguez, Eren eren.rodriguez at hp.com
Mon Jan 12 23:10:37 UTC 2015


I have been playing with the IPP Everywhere Printer Self-Certification test suite and I would like to challenge another failure seen with our IPP printers at HP.
I apologize if these experience reports seem staggered, but I needed to investigate this issue further before reporting them as possible test error.

More specifically, inside ipp-tests.test, there are test cases around printer-resident URIs and their hostname expectations.

I-9. Get-Printer-Attributes Operation (default)                      [FAIL]
        RECEIVED: 12508 bytes in response
        status-code = successful-ok (successful-ok)
        EXPECTED: printer-icons WITH-ALL-VALUES "HP6451060F1496.local."
        GOT: printer-icons="http://HP6451060F1496.local/webApps/images/printer-small.png"
        GOT: printer-icons="http://HP6451060F1496.local/webApps/images/printer.png"
        GOT: printer-icons="http://HP6451060F1496.local/webApps/images/printer-large.png"
        EXPECTED: printer-supply-info-uri WITH-VALUE "HP6451060F1496.local."
        GOT: printer-supply-info-uri=http://HP6451060F1496.local/#hId-pgInkConsumables

According to the IPP Everywhere specification, Section 8.4, "Printers SHOULD use the HTTP Host: header value when generating URIs for use in Client responses."
Internally, we have captured a WireShark trace while running the tests and noticed that none of the incoming HTTP/IPP packets included the '.' at the end. This is why our responses never included it either. See attached screenshot for more details.

Mike, Ira, if you want to see the actual .pcap file, I can send it to you privately.

Thank you in advance,
Eren Rodriguez @ HP inkjet

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