[Samba] Printing via SMB-Kerberos no longer works
- Date: Sat, 22 Sep 2018 09:49:27 +0200
- From: Alex Persson via samba <samba@xxxxxxxxxxxxxxx>
- Subject: [Samba] Printing via SMB-Kerberos no longer works
After upgrading from Ubuntu 16.04 to 18.04 printing via SMB-Kerberos no longer works (printing still works in 18.04 when I print via SMB but I don't want to have the password stored in clear text in /usr/lib/cups/backend/smb).
In 16.04 I can just type "lpr file.pdf", but when doing this in 18.04 I get "Password for [myuser] on localhost?" and it expects me to type my password instead of using my Kerberos ticket for sending the print job to the print queue.
I have the same Kerberos ticket available according to "klist" in 18.04 as I had in 16.04.
I have "AuthInfoRequired negotiate" in /etc/cups/printers.conf
The file /usr/lib/cups/backend/smb is a symbolic link pointing to /usr/lib/x86_64-linux-gnu/samba/smbspool_krb5_wrapper (in 16.04 it was pointing at /usr/bin/smbspool_krb5_wrapper).
The permission is 700 on /usr/lib/x86_64-linux-gnu/samba/smbspool_krb5_wrapper.
The version of cups is 2.2.7-1ubuntu2.1 in 18.04 while it was 2.1.3-4ubuntu0.5 in 16.04.
The version of smbclient is 2:4.7.6+dfsg~ubuntu-0ubuntu2.2 in 18.04 while it was 2:4.3.11+dfsg-0ubuntu0.16.04.16 16.04.
Can you please help me figure out what the problem is? Maybe it is something wrong with smbspool_krb5_wrapper from the smbclient package?
Best regards, Alex
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