[cups] (/usr/lib64/cups/backend/smb) stopped with status 1

[Michael Sweet]

You need to include the filename on the command-line or pipe data into it for printing...

But FWIW, this is Samba you are dealing with, not CUPS.


> On Feb 2, 2018, at 9:31 AM, YuGiOhJCJ Mailing-List <yugiohjcj-mailinglist at laposte.net> wrote:
> 
> I tried at work to run "/usr/bin/smbspool" manually:
> ---
> $ /usr/bin/smbspool Xerox-WorkCentre-5325 \'5\' \'yugiohjcj\' \'2.pdf\' \'1\'
> DEBUG: Connected with username/password...
> ---
> 
> The behavior at work is different from the one at home because it is not the same computer used and the /etc/samba/smb.conf is available.
> However, as you can see above, the smbspool program is never closed!
> 
> I tried again to print through CUPS using the following command: lp my-hidden-file.pdf.
> This time, in the CUPS error_log file, I do not see that CUPS is trying to use /usr/lib64/cups/backend/smb as backend to print.
> That's weird.
> It seems to be using the IPP protocol instead of SMB.
> Indeed, I can find these lines in the error_log file:
> ---
> $ grep "//" error_log
> D [02/Feb/2018:10:35:56 +0100] Create-Job ipp://localhost:631/printers/Xerox-WorkCentre-5325
> D [02/Feb/2018:10:35:56 +0100] [Client 16] Returning IPP successful-ok for Create-Job (ipp://localhost:631/printers/Xerox-WorkCentre-5325) from localhost
> D [02/Feb/2018:10:35:56 +0100] Send-Document ipp://localhost:631/printers/Xerox-WorkCentre-5325
> D [02/Feb/2018:10:35:56 +0100] [Client 17] Returning IPP successful-ok for Send-Document (ipp://localhost:631/printers/Xerox-WorkCentre-5325) from localhost
> ---
> 
> I expected to have something similar to this:
> ---
> $ grep "//" error_log
> D [31/Jan/2018:09:35:36 +0100] Create-Job ipp://localhost:631/printers/Xerox-WorkCentre-5325
> D [31/Jan/2018:09:35:36 +0100] [Client 61] Returning IPP successful-ok for Create-Job (ipp://localhost:631/printers/Xerox-WorkCentre-5325) from localhost
> D [31/Jan/2018:09:35:36 +0100] Send-Document ipp://localhost:631/printers/Xerox-WorkCentre-5325
> D [31/Jan/2018:09:35:36 +0100] [Job 5] envp[24]="DEVICE_URI=smb://MyHiddenDomain/MyHiddenPC/MyHiddenShare"
> D [31/Jan/2018:09:35:36 +0100] [Client 62] Returning IPP successful-ok for Send-Document (ipp://localhost:631/printers/Xerox-WorkCentre-5325) from localhost
> D [31/Jan/2018:09:35:36 +0100] [Job 5] envp[24]=\"DEVICE_URI=smb://yugiohjcj:MyHiddenPassword@MyHiddenDomain/MyHiddenPC/MyHiddenShare\"
> ---
> 
> Why CUPS is not using the SMB protocol anymore to print please?
> 
> On Thu, 01 Feb 2018 12:44:57 +0100
> YuGiOhJCJ Mailing-List <yugiohjcj-mailinglist at laposte.net> wrote:
> 
>> Hello,
>> 
>> There is a printer at work (a Xerox WorkCentre 5325).
>> I am able to print using the following command: smbclient //MyHiddenPC/MyHiddenShare -WMyHiddenDomain -c 'print my-hidden-file.pdf'.
>> However, it does not work when I try to print through CUPS using the following command: lp my-hidden-file.pdf.
>> In the CUPS error_log file, the only error I can read is: [Job 5] PID 27883 (/usr/lib64/cups/backend/smb) stopped with status 1.
>> I am using samba-4.4.4 and cups-2.1.4 on the client side (Slackware64 14.2 operating system).
>> 
>> Any suggestion please?
>> 
>> I remarked that "ls -l /usr/lib64/cups/backend/smb" gives "/usr/bin/smbspool" as target.
>> When I run "/usr/bin/smbspool" manually with the same options than in the error_log file (/usr/bin/smbspool Xerox-WorkCentre-5325 \'5\' \'yugiohjcj\' \'2.pdf\' \'1\') I get status 1 and this error message: "ERROR: Can't load /etc/samba/smb.conf - run testparm to debug it".
>> Indeed, /etc/samba/smb.conf is missing (I thought it was not mandatory for the client part).
>> Creating the /etc/samba/smb.conf file seems to be the solution.
>> Well, I will try that at work.
>> 
>> I have three questions:
>> 1) Do you know which PPD file is used when I am printing with the smbclient command? (I have not specified any PPD file through this command line so I am wondering how it works)
>> 2) It seems that the password stored in /etc/cups/printers.conf is sent through network in the device URI using the smb protocol. So, is it encrypted or anyone can see it?
>> 3) When I go to localhost:631 to add the printer I give the full URI: smb://yugiohjcj:MyHiddenPassword@MyHiddenDomain/MyHiddenPC/MyHiddenShare but when I look in the /etc/cups/printers.conf file I only see this: smb://MyHiddenDomain/MyHiddenPC/MyHiddenShare. Why the username and password are not here please?
>> 
>> Thank you.
>> Best regards.
>> _______________________________________________
>> cups mailing list
>> cups at cups.org
>> https://lists.cups.org/mailman/listinfo/cups
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_________________________________________________________
Michael Sweet, Senior Printing System Engineer