[OpenAFS] Help: Make UNIX traditional su command to get OpenAFS token
   
    Lee Eric
     
    openlinuxsource@gmail.com
       
    Mon, 13 Jun 2011 17:49:18 +0800
    
    
  
Hi,
As I use ksu to the user it seems pam_afs_session can work well.
[root@submit ~]# kinit huli
Password for huli@HERDINGCAT.INTERNAL:
[root@submit ~]# ksu huli
Changing uid to huli (501)
[huli@submit root]$
But as I use su command it won't work can report that cannot access
the home dir.
[root@submit ~]# kinit huli
Password for huli@HERDINGCAT.INTERNAL:
[root@submit ~]# su -l huli
su: warning: cannot change directory to
/afs/herdingcat.internal/home/huli: Permission denied
-bash: /afs/herdingcat.internal/home/huli/.bash_profile: Permission denied
-bash-4.1$
Here's the /etc/pam.d/system-auth and /etc/pam.d/su configuration files.
system-auth:
auth        required      pam_env.so
auth        sufficient    pam_unix.so nullok try_first_pass
auth        requisite     pam_succeed_if.so uid >= 500 quiet
auth        sufficient    pam_krb5.so use_first_pass
auth        optional      pam_afs_session.so
auth        required      pam_deny.so
account     required      pam_unix.so broken_shadow
account     sufficient    pam_succeed_if.so uid < 500 quiet
account     [default=bad success=ok user_unknown=ignore] pam_krb5.so
account     required      pam_permit.so
password    requisite     pam_cracklib.so try_first_pass retry=3 type=
password    sufficient    pam_unix.so sha512 shadow nullok
try_first_pass use_authtok
password    sufficient    pam_krb5.so use_authtok
password    required      pam_deny.so
session     optional      pam_keyinit.so revoke
session     required      pam_limits.so
-session     optional      pam_systemd.so
session     [success=1 default=ignore] pam_succeed_if.so service in
crond quiet use_uid
session     required      pam_unix.so
session     optional      pam_krb5.so
session     required      pam_afs_session.so
su:
auth		sufficient	pam_rootok.so
auth		include		system-auth
account		sufficient	pam_succeed_if.so uid = 0 use_uid quiet
account		include		system-auth
password	include		system-auth
session		include		system-auth
session		optional	pam_xauth.so
I noticed that su has quote system-auth but it seems not work properly.
Could anyone tell me what's going on?
Thanks very much.
Eric