amd64/122858: nsswitch in 7.0 is f*cked up

tom zaphod at fsklaw.com
Thu Apr 17 15:50:01 UTC 2008


>Number:         122858
>Category:       amd64
>Synopsis:       nsswitch in 7.0 is f*cked up
>Confidential:   no
>Severity:       serious
>Priority:       high
>Responsible:    freebsd-amd64
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Thu Apr 17 15:50:01 UTC 2008
>Closed-Date:
>Last-Modified:
>Originator:     tom
>Release:        FreeBSD 7.0 release
>Organization:
fsk
>Environment:
FreeBSD to-new.fsklaw.com 7.0-RELEASE FreeBSD 7.0-RELEASE #0: Wed Apr 16 14:22:33 PDT 2008     TMS3 at to-new.fsklaw.com:/usr/obj/usr/src/sys/IPFAST  amd64
>Description:
Well you all seriously f'd up nsswitch huh?

I've used this nsswitch.conf file for YEARS for samba/ldap/login etc.

passwd: files ldap
shadow: files ldap
group: files ldap
hosts: files dns wins
####NEW###
networks: files dns
automount:  files ldap nisplus
aliases:    files ldap nisplus

Use this and samba-ldap works but you can't shell in or ftp or anything.

Use this:

group: cache files ldap[ unavail=continue notfound=continue ]
passwd: cache files ldap [ unavail=continue notfound=continue ]
#group_compat: nis
hosts: compat
networks: files
#passwd_compat: nis
shells: files
services: compat
services_compat: nis
protocols: files
rpc: files

And samba-ldap, ssh login and ftp login works, but the damned machine won't resolve DNS.

Desperately flailing about and doing this:

group: cache files ldap[ unavail=continue notfound=continue ]
passwd: cache files ldap [ unavail=continue notfound=continue ]
#group_compat: nis
hosts: compat dns
networks: files dns
#passwd_compat: nis
shells: files dns
services: compat dns
services_compat: nis dns
protocols: files dns
rpc: files dns 

does no good.

Only the default nsswitch.conf file actually does DNS, and the first one I posted will actually do DNS lookups.  I'd really like to be able to do all of these things with a single nsswitch.conf file.  PERHAPS when you guys make such SUBSTANTIAL CHANGES to such a necessary component, you could...oh I dunno...DOCUMENT IT SOMEWHERE!!!!!!!!!!!!!

I searched google for 6 hours yesterday to find something similar to the second nsswitch.conf file, which I still had to edit to make it work for samba-ldap/ssh/ftp login.  This is seriously ridiculous.  How the hell am I supposed to use 7.0 in a production environment?  I had fewer problems with 5.1 than I'm having with 7.0.

TMS III


>How-To-Repeat:
Hell, just use the nsswitch.conf files I posted.
>Fix:
Why I'm asking.

>Release-Note:
>Audit-Trail:
>Unformatted:


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