[cups.general] local cupsd does not pass kerberos credentials to remote cups server for authentication

Matt Kinni mkinni at calpoly.edu
Thu Dec 30 05:58:07 PST 2010


Fedora 14.

cups-1.4.4-11
krb5-libs-1.8.3-9.fc15.x86_64
kernel-2.6.37-0.rc7.git0.2.fc15.x86_64

I have bleeding edge versions of the kernel and kerberos

On 12/29/2010 08:24 AM, Michael Sweet wrote:
> What version of CUPS?
>
> What version of Kerberos?
>
> What operating system/Linux distribution?
>
> On Dec 27, 2010, at 12:21 AM, Matt Kinni wrote:
>
>> Hello, I'm trying to print to a printer on a remote cups queue with kerberos, using my
>> local queue's "browse" function.
>>
>> On the server with the printer attached, I have the relevant info in the config files:
>>
>> --->in /etc/cups/printers.conf:
>>
>> <Printer Officejet_6000_E609n>
>> AuthInfoRequired negotiate
>>
>> --->in /etc/cups/cupsd.conf:
>>
>> <Policy default>
>>   <Limit Create-Job Print-Job Print-URI>
>>       AuthType Negotiate
>>       Require user matt
>>
>> On my client laptop, if I connect to the remote queue directly, (eg. by adding
>> "ServerName remoteserver:631" in the clients.conf file), the print jobs properly
>> authenticate with kerberos
>>
>> However, if I try to print using my local cups which discovers the remote printer
>> automatically using the browse function, the following occurs:
>>
>> 1. system-config-printer opens up a basic authentication dialog asking for a user name
>> and password (which makes no sense because it's not using basic auth):
>> http://imgur.com/Hd7gO.png <-screenshot
>>
>> 2. regardless of what information I enter into the first dialog, a second dialog opens
>> asking for a password only for auth type negotiate, which also doesn't make sense:
>> http://imgur.com/QnjL6.png <-screenshot
>>
>> So what has to be done for my local cups to automatically use my kerberos credentials
>> when contacting the remote server?  I know if works if I connect to the remote server
>> directly, but that's extremely inconvenient to do on a print job by print job basis.
>>
>> -- 
>> Matthew Kinni
>> Cal Poly State University
>> 2640 Canyon Circle
>> San Luis Obispo, CA 93410
>> Cell: 925-817-0934
>> OpenPGP: 0x2351657A
>> _______________________________________________
>> cups mailing list
>> cups at easysw.com <mailto:cups at easysw.com>
>> http://lists.easysw.com/mailman/listinfo/cups
>
> ________________________________________________________________________
> Michael Sweet, Senior Printing System Engineer, PWG Chair
>
>
> _______________________________________________
> cups mailing list
> cups at easysw.com
> http://lists.easysw.com/mailman/listinfo/cups

-- 
Matthew Kinni
Cal Poly State University
2640 Canyon Circle
San Luis Obispo, CA 93410
Cell: 925-817-0934
OpenPGP: 0x2351657A

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.cups.org/pipermail/cups/attachments/20101230/5bd328c5/attachment-0001.html>


More information about the cups mailing list