Secondary groups not working with NFS (+LDAP) Post: 302341683

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Operating Systems Linux Secondary groups not working with NFS (+LDAP) Post 302341683 by velmont on Thursday 6th of August 2009 11:04:29 AM

08-06-2009

Registered User

Secondary groups not working with NFS (+LDAP)

I�m using LDAP for groups and NFS for home dirs. My problem is as follows:
I only have a few groups, so it's not the problem everyone else had. When I've mounted a disk over NFS, I need to have my primary group in order to read in the groups I'm a member of. Secondary groups is not working.

Code:

 root@machine:/home/user# smbldap-groupshow secret
...
gidNumber: 1504
displayName: secret
memberUid: user,anotheruser
 root@machine:/home/user# su - user
 user@machine:~$ groups
users secret
 user@machine:~$ ls -ald ../secret/
drwxr-x--- 12 anotheruser secret 4096 2009-07-27 15:39 ../secret/
 user@machine:~$ cd ../secret/
bash: cd: ../secret/: Permission denied
 user@machine:~$ ls ../secret/
ls: cannot open directory ../secret/: Permission denied

But it works if I change the group to primary by hand with newgrp:

Code:

user@machine:~$ newgrp secret
user@machine:~$ cd ../secret/
user@machine:/home/secret$ ls
Nice secrets.txt

But my users cannot be expected to do this!
It works on the server holding the user files. But not over NFS.

I've tested this on clients: Ubuntu: 9.10 Karmic, 9.04 Jaunty, 8.10 Intrepid
The NFS server is running: Ubuntu 9.04 Jaunty.

velmont

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dot-spop3d

dot-spop3d(5)							   User's Manual						     dot-spop3d(5)

NAME

       dot-spop3d - user configuration data for The Solid POP3 Server.

DESCRIPTION

       A user can specify their maildrop location, type and associated APOP secret in the configuration file ~/.spop3d.

       The file must be set to mode 0600 (-rw-------) or the server will not honour its content.

       Maildrop specification consists of three parts, separated by white space characters:

       MailDrop path type

       Path should be specified in the same format as the -n option in solid-pop3d(8).	Type should be mailbox or maildir.

       APOP  secret  specification consists of the word APOPSecret followed by an encrypted secret. You shouldn't change this secret manually. Use
       pop_auth(1) to do this.

       Both maildrop and APOP secret specifications may optionally be followed by a  mailbox  name.  This  allows,  for  instance,  user+boxA  and
       user+boxB  to  be  used	as  login  names  to  access different mailboxes, where + means value of UserMailDropDelimiter server setting (see
       spop3d.conf(5)).

       The APOP secret associated with a particular maildrop should be followed with the same mailbox name (or lack  thereof).	If  no	secret	is
       specified for a maildrop then the user's standard POP password should be used to authenticate instead.

EXAMPLE

	      MailDrop	     Mail/default   mailbox
	      APOPSecret     2345678901
	      MailDrop	     Mail/bugtraq   mailbox bugtraq
	      APOPSecret     0123456789     bugtraq
	      MailDrop	     Mail/private   mailbox private
	      APOPSecret     9876543210     private

       To set the APOP secret for the above maildrops use the following pop_auth(1) commands:
	      pop_auth
	      pop_auth bugtraq
	      pop_auth private

FILES

       ~/.spop3d
	      User configuration file.

SEE ALSO

       solid-pop3d(8), pop_auth(1), spop3d.conf(5),

AUTHOR

       Jerzy Balamut <jurekb@dione.ids.pl>

Unix								   OCTOBER 1999 						     dot-spop3d(5)