[cups] cups-lpd: Authentication failure

Daniel Spannbauer ds at marco.de
Tue Feb 26 05:24:21 PST 2019


Hello,


we have some old systems where we need to print via cups-lpd (Thank you,
SAP).

On one machine I can't print, I always get an authentication error.


log says:

Feb 26 14:22:02 zeus cups-lpd[11319]: Connection from nemesis (IPv4
10.1.1.6)
Feb 26 14:22:02 zeus cups-lpd[11319]: Receive print job for barcode_h2
Feb 26 14:22:03 zeus cups-lpd[11319]: Print file - job ID = 224148
Feb 26 14:22:03 zeus cups-lpd[11319]: Unable to send document - Unauthorized
Feb 26 14:22:03 zeus cups-lpd[11319]: Closing connection


D [26/Feb/2019:14:23:10 +0100] cupsdAcceptClient: 9 from localhost:631
(IPv6)
D [26/Feb/2019:14:23:10 +0100] cupsdReadClient: 9 POST / HTTP/1.1
D [26/Feb/2019:14:23:10 +0100] cupsdSetBusyState: Active clients and
dirty files
D [26/Feb/2019:14:23:10 +0100] cupsdAuthorize: No authentication data
provided.
D [26/Feb/2019:14:23:10 +0100] cupsdReadClient: 9 1.1
Get-Printer-Attributes 1
D [26/Feb/2019:14:23:10 +0100] Get-Printer-Attributes
ipp://localhost/printers/barcode_h2
D [26/Feb/2019:14:23:10 +0100] Returning IPP successful-ok for
Get-Printer-Attributes (ipp://localhost/printers/barcode_h2) from localhost
D [26/Feb/2019:14:23:10 +0100] cupsdSetBusyState: Dirty files
D [26/Feb/2019:14:23:10 +0100] cupsdReadClient: 9 POST
/printers/barcode_h2 HTTP/1.1
D [26/Feb/2019:14:23:10 +0100] cupsdSetBusyState: Active clients and
dirty files
D [26/Feb/2019:14:23:10 +0100] cupsdAuthorize: No authentication data
provided.
D [26/Feb/2019:14:23:10 +0100] cupsdReadClient: 9 1.1 Create-Job 1
D [26/Feb/2019:14:23:10 +0100] Create-Job
ipp://localhost/printers/barcode_h2
D [26/Feb/2019:14:23:10 +0100] cupsdMarkDirty(----J-)
D [26/Feb/2019:14:23:10 +0100] add_job: requesting-user-name="DS"
I [26/Feb/2019:14:23:10 +0100] [Job 224149] Adding start banner page "none".
D [26/Feb/2019:14:23:10 +0100] Discarding unused job-created event...
I [26/Feb/2019:14:23:10 +0100] [Job 224149] Queued on "barcode_h2" by "DS".
D [26/Feb/2019:14:23:10 +0100] Returning IPP successful-ok for
Create-Job (ipp://localhost/printers/barcode_h2) from localhost
D [26/Feb/2019:14:23:10 +0100] cupsdSetBusyState: Dirty files
D [26/Feb/2019:14:23:10 +0100] cupsdReadClient: 9 POST /jobs/224149 HTTP/1.1
D [26/Feb/2019:14:23:10 +0100] cupsdSetBusyState: Active clients and
dirty files
D [26/Feb/2019:14:23:10 +0100] cupsdAuthorize: No authentication data
provided.
D [26/Feb/2019:14:23:10 +0100] cupsdIsAuthorized: username=""
D [26/Feb/2019:14:23:10 +0100] cupsdSendHeader: 9 WWW-Authenticate:
Basic realm="CUPS"
D [26/Feb/2019:14:23:10 +0100] cupsdCloseClient: 9
D [26/Feb/2019:14:23:10 +0100] cupsdSetBusyState: Dirty files
D [26/Feb/2019:14:23:19 +0100] cupsdAcceptClient: 9 from localhost:631
(IPv6)
D [26/Feb/2019:14:23:19 +0100] cupsdReadClient: 9 POST / HTTP/1.1
D [26/Feb/2019:14:23:19 +0100] cupsdSetBusyState: Active clients and
dirty files
D [26/Feb/2019:14:23:19 +0100] cupsdAuthorize: No authentication data
provided.
D [26/Feb/2019:14:23:19 +0100] cupsdReadClient: 9 1.1 CUPS-Get-Printers 1
D [26/Feb/2019:14:23:19 +0100] CUPS-Get-Printers
D [26/Feb/2019:14:23:19 +0100] Returning IPP successful-ok for
CUPS-Get-Printers (no URI) from localhost
D [26/Feb/2019:14:23:19 +0100] cupsdSetBusyState: Dirty files
D [26/Feb/2019:14:23:19 +0100] cupsdReadClient: 9 POST / HTTP/1.1
D [26/Feb/2019:14:23:19 +0100] cupsdSetBusyState: Active clients and
dirty files
D [26/Feb/2019:14:23:19 +0100] cupsdAuthorize: No authentication data
provided.
D [26/Feb/2019:14:23:19 +0100] cupsdReadClient: 9 1.1 CUPS-Get-Classes 1
D [26/Feb/2019:14:23:19 +0100] CUPS-Get-Classes
D [26/Feb/2019:14:23:19 +0100] Returning IPP successful-ok for
CUPS-Get-Classes (no URI) from localhost
D [26/Feb/2019:14:23:19 +0100] cupsdSetBusyState: Dirty files
D [26/Feb/2019:14:23:19 +0100] cupsdReadClient: 9 WAITING Closing on EOF
D [26/Feb/2019:14:23:19 +0100] cupsdCloseClient: 9


Because of some former errors I configured a lot at the
permissions...which permissions are needed to print wie cups-lpd?


Regards


Daniel



-- 
Daniel Spannbauer                         Systemadministration
marco Systemanalyse und Entwicklung GmbH  Tel   +49 8333 9233-27 Fax -11
Rechbergstr. 4-6, D 87727 Babenhausen     Mobil +49 171 4033220
http://www.marco.de/                      Email ds at marco.de
Geschäftsführer Martin Reuter             HRB 171775 Amtsgericht München



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