pam: Remove all but one line from pam.d/su.

The session modules seem useless, and the common files only include ldap
and don't know about root, so that only gives warnings when root is
trying to su.

This makes it impossible for non-root users to use su, but that's a
feature.

diff --git a/etc/pam.d/su b/etc/pam.d/su
index c1a84aecd3b469ffec4c3282b602ec4b7ba74444..ab107dafb95d59cc6e511382c1871cacb3f0f798 100644 (file)
--- a/etc/pam.d/su
+++ b/etc/pam.d/su
@@ -4,59 +4,3 @@
 
 # This allows root to su without passwords (normal operation)
 auth       sufficient pam_rootok.so
-
-# Uncomment this to force users to be a member of group root
-# before they can use `su'. You can also add "group=foo"
-# to the end of this line if you want to use a group other
-# than the default "root" (but this may have side effect of
-# denying "root" user, unless she's a member of "foo" or explicitly
-# permitted earlier by e.g. "sufficient pam_rootok.so").
-# (Replaces the `SU_WHEEL_ONLY' option from login.defs)
-# auth       required   pam_wheel.so
-
-# Uncomment this if you want wheel members to be able to
-# su without a password.
-# auth       sufficient pam_wheel.so trust
-
-# Uncomment this if you want members of a specific group to not
-# be allowed to use su at all.
-# auth       required   pam_wheel.so deny group=nosu
-
-# Uncomment and edit /etc/security/time.conf if you need to set
-# time restrainst on su usage.
-# (Replaces the `PORTTIME_CHECKS_ENAB' option from login.defs
-# as well as /etc/porttime)
-# account    requisite  pam_time.so
-
-# This module parses environment configuration file(s)
-# and also allows you to use an extended config
-# file /etc/security/pam_env.conf.
-# 
-# parsing /etc/environment needs "readenv=1"
-session       required   pam_env.so readenv=1
-# locale variables are also kept into /etc/default/locale in etch
-# reading this file *in addition to /etc/environment* does not hurt
-session       required   pam_env.so readenv=1 envfile=/etc/default/locale
-
-# Defines the MAIL environment variable
-# However, userdel also needs MAIL_DIR and MAIL_FILE variables
-# in /etc/login.defs to make sure that removing a user 
-# also removes the user's mail spool file.
-# See comments in /etc/login.defs
-#
-# "nopen" stands to avoid reporting new mail when su'ing to another user
-session    optional   pam_mail.so nopen
-
-# Sets up user limits, please uncomment and read /etc/security/limits.conf
-# to enable this functionality.
-# (Replaces the use of /etc/limits in old login)
-# session    required   pam_limits.so
-
-# The standard Unix authentication modules, used with
-# NIS (man nsswitch) as well as normal /etc/passwd and
-# /etc/shadow entries.
-@include common-auth
-@include common-account
-@include common-session
-
-