[Samba] problem authenticating users to Active Directory after Ubuntu 12.04 -> 14.04 upgrade

[Geoff Rowland]

On 04/25/2014 02:11 PM, Rowland Penny wrote:
> On 25/04/14 18:55, Geoff Rowland wrote:
>> On 04/25/2014 01:40 PM, Rowland Penny wrote:
>>> On 25/04/14 18:26, Geoff Rowland wrote:
>>>> On 04/25/2014 01:21 PM, Rowland Penny wrote:
>>>>> On 25/04/14 18:12, Geoff Rowland wrote:
>>>>>> I had forgotten I changed my pam files to default...now I changed
>>>>>> them
>>>>>> back to what I had before so that winbind shows up before pam_unix -
>>>>>> and here is the output from auth.log:
>>>>>>
>>>>>> Apr 25 13:08:09 mycomputer lightdm: pam_winbind(lightdm:auth):
>>>>>> getting
>>>>>> password (0x00000000)
>>>>>> Apr 25 13:08:15 mycomputer lightdm: pam_winbind(lightdm:auth): user
>>>>>> 'growland' granted access
>>>>>> Apr 25 13:08:15 mycomputer lightdm: pam_unix(lightdm:account): could
>>>>>> not identify user (from getpwnam(growland))
>>>>>> Apr 25 13:08:15 mycomputer lightdm: PAM unable to
>>>>>> dlopen(pam_kwallet.so): /lib/security/pam_kwallet.so: cannot open
>>>>>> shared object file: No such file or directory
>>>>>>
>>>>>> Returns with invalid password (but I know the password is correct)
>>>>>>
>>>>>>
>>>>>> On 04/25/2014 11:41 AM, steve wrote:
>>>>>>> On Fri, 2014-04-25 at 11:27 -0400, Geoff Rowland wrote:
>>>>>>>
>>>>>>>
>>>>>>>> not sure what else to try?
>>>>>>> Look at the log at the time of the login.
>>>>>>>
>>>>>>> Unless 14.04 has changed radically, I'd:
>>>>>>> tail -f /var/log/syslog
>>>>>>>
>>>>>>> Anything?
>>>>>>> HTH
>>>>>>> Steve
>>>>>>>
>>>>>>>
>>>>> sigh, I will try again, does 'getent passwd' show your domain users
>>>>> ???
>>>>>
>>>>> Rowland
>>>>>
>>>> getent passwd does not show my domain users...but it also does not
>>>> show my domain users on my 12.04 box, which is working fine.
>>>>
>>>> wbinfo -u does show domain users.
>>>>
>>>> net ads testjoin says Join is OK
>>>>
>>>> klist shows ticket expires tomorrow
>>>> (I do seem to have to kinit to get a new ticket every time i reboot
>>>> the computer though?)
>>> OK, last thing first, put this in smb.conf:
>>>
>>> winbind refresh tickets = Yes
>>>
>>> Reload your config: smbcontrol all reload-config
>>>
>>> Getent needs to show your domain users, do you have winbind in
>>> /etc/nssswitch.conf :
>>>
>>> ......
>>> passwd:         compat winbind
>>> group:          compat winbind
>>>
>>> Do you have libpam-winbind & libpam-krb5 installed ?
>>>
>>> Rowland
>>>
>> yes, I have libpam-winbind + libpam-krb5 installed, as well as winbind
>> in /etc/nsswitch.conf.
>> I added the entry to smb.conf and performed the command (restarted the
>> services as well, just to be sure), however I still have the same issue.
>>
> OK, my fileserver is running 14.04 and users can connect to shares and
> via ssh, these are my main PAM files:
>
> #
> # /etc/pam.d/common-auth - authentication settings common to all services
> #
> # here are the per-package modules (the "Primary" block)
> auth    [success=3 default=ignore]      pam_krb5.so minimum_uid=1000
> auth    [success=2 default=ignore]      pam_unix.so nullok_secure
> try_first_pass
> auth    [success=1 default=ignore]      pam_winbind.so krb5_auth
> krb5_ccache_type=FILE cached_login try_first_pass
> # here's the fallback if no module succeeds
> auth    requisite                       pam_deny.so
> # prime the stack with a positive return value if there isn't one already;
> # this avoids us returning an error just because nothing sets a success code
> # since the modules above will each just jump around
> auth    required                        pam_permit.so
> # and here are more per-package modules (the "Additional" block)
> auth    optional                        pam_cap.so
> # end of pam-auth-update config
>
> #
> # /etc/pam.d/common-account - authorization settings common to all services
> #
> # here are the per-package modules (the "Primary" block)
> account [success=2 new_authtok_reqd=done default=ignore] pam_unix.so
> account [success=1 new_authtok_reqd=done default=ignore] pam_winbind.so
> # here's the fallback if no module succeeds
> account requisite                       pam_deny.so
> # prime the stack with a positive return value if there isn't one already;
> # this avoids us returning an error just because nothing sets a success code
> # since the modules above will each just jump around
> account required                        pam_permit.so
> # and here are more per-package modules (the "Additional" block)
> account required                        pam_krb5.so minimum_uid=1000
> # end of pam-auth-update config
>
> #
> # /etc/pam.d/common-password - password-related modules common to all
> services
> #
> # here are the per-package modules (the "Primary" block)
> password        [success=3 default=ignore]      pam_krb5.so minimum_uid=1000
> password        [success=2 default=ignore]      pam_unix.so obscure
> use_authtok try_first_pass sha512
> password        [success=1 default=ignore]      pam_winbind.so
> use_authtok try_first_pass
> # here's the fallback if no module succeeds
> password        requisite                       pam_deny.so
> # prime the stack with a positive return value if there isn't one already;
> # this avoids us returning an error just because nothing sets a success code
> # since the modules above will each just jump around
> password        required                        pam_permit.so
> # and here are more per-package modules (the "Additional" block)
> password        optional        pam_gnome_keyring.so
> # end of pam-auth-update config
>
> #
> # /etc/pam.d/common-session - session-related modules common to all services
> #
> # here are the per-package modules (the "Primary" block)
> session [default=1]                     pam_permit.so
> # here's the fallback if no module succeeds
> session requisite                       pam_deny.so
> # prime the stack with a positive return value if there isn't one already;
> # this avoids us returning an error just because nothing sets a success code
> # since the modules above will each just jump around
> session required                        pam_permit.so
> # The pam_umask module will set the umask according to the system default in
> # /etc/login.defs and user settings, solving the problem of different
> # umask settings with different shells, display managers, remote
> sessions etc.
> # See "man pam_umask".
> session optional                        pam_umask.so
> # and here are more per-package modules (the "Additional" block)
> session optional                        pam_krb5.so minimum_uid=1000
> session required        pam_unix.so
> session optional                        pam_winbind.so
> session optional        pam_systemd.so
> session optional                        pam_ck_connector.so nox11
> # end of pam-auth-update config
> session required                        pam_mkhomedir.so skel=/etc/skel
> umask=0022
>
> Do yours match the above ?? also do your AD users have uidNumber's &
> gidNumber's
>
> Rowland
They do not have either set.  Is this a (new?) requirement?

I edited my PAM files to match and still have the same result.