[Freeipa-users] Some computers cannot get Some users logged in.

Thu Jun 5 20:47:44 UTC 2014

Hi,
I didn't migrate the passwords. All users started with a new default on
IPA.
The new user foo doesn't exist on the AD system but can login successfully
using IPA credentials on a migrated system.

On Fri, May 30, 2014 at 12:35 AM, Sumit Bose <sbose at redhat.com> wrote:

> On Thu, May 29, 2014 at 11:20:37AM -0700, Scott Allen wrote:
> > Hi,
> > Having a particularly weird problem. We have moved from AD to freeIPA
> > recently and while there have been some bumps, most of the CentOS 6.2
> boxes
> > make the transition successfully. Some background.
> >
> > The Linux boxes were joined to AD on Windows 2008R2 using samba/winbind.
> > When we moved from AD, boxes were not "removed" from AD, just disabled on
> > the server side. We scripted the necessary bits since we were moving to a
> > new subnet as well. The script runs "ipa-client-install -p admin
> --password
> > PASSWORD --enable-dns-updates -U"
> >
> > The machines were joined successfully to freeIPA and then added to
> > allow_all_hosts Host Group.
> >
> > On a workstation that was migrated, all users can successfully log in.
> > On a fresh install of CentOS6.2, only myself (admin_user) and a newly
> > created user (foo) can successfully log in.
> >
> > On this fresh install, 'david' is blocked but new user 'foo' is allowed.
> >
> > May 29 09:20:29 embassy419 polkitd(authority=local): Registered
> > Authentication Agent for session /org/freedesktop/ConsoleKit/Session1
> > (system bus name :1.26
> [/usr/libexec/polkit-gnome-authentication-agent-1],
> > object path /org/gnome/PolicyKit1/AuthenticationAgent, locale
> en_US.UTF-8)
> > May 29 09:20:46 embassy419 pam: gdm-password[2910]:
> > pam_unix(gdm-password:auth): authentication failure; logname= uid=0
> euid=0
> > tty=:0 ruser= rhost=  user=david
> > May 29 09:20:47 embassy419 pam: gdm-password[2910]:
> > pam_sss(gdm-password:auth): system info: [Preauthentication failed]
> > May 29 09:20:47 embassy419 pam: gdm-password[2910]:
> > pam_sss(gdm-password:auth): authentication failure; logname= uid=0 euid=0
> > tty=:0 ruser= rhost= user=david
> > May 29 09:20:47 embassy419 pam: gdm-password[2910]:
> > pam_sss(gdm-password:auth): received for user david: 17 (Failure setting
> > user credentials)
> > May 29 10:44:06 embassy419 polkitd(authority=local): Registered
> > Authentication Agent for session /org/freedesktop/ConsoleKit/Session3
> > (system bus name :1.88
> [/usr/libexec/polkit-gnome-authentication-agent-1],
> > object path /org/gnome/PolicyKit1/AuthenticationAgent, locale
> en_US.UTF-8)
> > May 29 10:44:13 embassy419 pam: gdm-password[3956]:
> > pam_unix(gdm-password:auth): authentication failure; logname= uid=0
> euid=0
> > tty=:1 ruser= rhost=  user=foo
> > May 29 10:44:14 embassy419 pam: gdm-password[3956]:
> > pam_sss(gdm-password:auth): authentication success; logname= uid=0 euid=0
> > tty=:1 ruser= rhost= user=foo
> > May 29 10:44:14 embassy419 pam: gdm-password[3956]:
> > pam_unix(gdm-password:session): session opened for user foo by (uid=0)
> > May 29 10:44:15 embassy419 polkitd(authority=local): Unregistered
> > Authentication Agent for session /org/freedesktop/ConsoleKit/Session3
> > (system bus name :1.88, object path
> > /org/gnome/PolicyKit1/AuthenticationAgent, locale en_US.UTF-8)
> > (disconnected from bus)
> >
> > But on this machine that was migrated.
> > pam: gdm-password[14145]: pam_unix(gdm-password:auth): authentication
> > failure; logname= uid=0 euid=0 tty=:1 ruser= rhost=  user=david
> > May 29 10:42:08 Embassy426 pam: gdm-password[14145]:
> > pam_sss(gdm-password:auth): system info: [Preauthentication failed]
> > May 29 10:42:08 Embassy426 pam: gdm-password[14145]:
> > pam_sss(gdm-password:auth): authentication failure; logname= uid=0 euid=0
> > tty=:1 ruser= rhost= user=david
> > May 29 10:42:08 Embassy426 pam: gdm-password[14145]:
> > pam_sss(gdm-password:auth): received for user david: 17 (Failure setting
> > user credentials)
> > May 29 10:42:08 Embassy426 pam: gdm-password[14145]:
> > pam_winbind(gdm-password:auth): getting password (0x00000010)
> > May 29 10:42:08 Embassy426 pam: gdm-password[14145]:
> > pam_winbind(gdm-password:auth): pam_get_item returned a password
> > May 29 10:42:09 Embassy426 pam: gdm-password[14145]:
> > pam_winbind(gdm-password:auth): user 'david' granted access
> > May 29 10:42:09 Embassy426 pam: gdm-password[14145]:
> > pam_winbind(gdm-password:account): valid_user: wbcGetpwnam gave
> > WBC_ERR_DOMAIN_NOT_FOUND
> > May 29 10:42:10 Embassy426 pam: gdm-password[14145]:
> > pam_unix(gdm-password:session): session opened for user david by (uid=0)
>
> As Dmitri already said, on the migrated systems winbind is still used
> and doing the authentication which is still talking ot AD. But you can
> see the same error from pam_sss 'Preauthentication failed' which
> typically is an indication that the password is wrong.
>
> How did you migrate the passwords from AD to IPA?
>
> bye,
> Sumit
>
> > May 29 10:42:10 Embassy426 polkitd(authority=local): Unregistered
> > Authentication Agent for session /org/freedesktop/ConsoleKit/Session3
> > (system bus name :1.85, object path
> > /org/gnome/PolicyKit1/AuthenticationAgent, locale en_US.UTF-8)
> > (disconnected from bus)
>
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>

-- 
Scott Allen
Head of IT
The Embassy Visual Effects Inc.
4th Floor - 177 W 7th Avenue
Vancouver, B.C.
V5Y 1L8
604.696.6862 ext 241
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