[auth-freiburg] renamed 'pam-freiburg' to 'auth-freiburg' since the module does more than just pam

26 files changed, 658 insertions, 0 deletions

diff --git a/server/modules/auth-freiburg/etc/gssapi_mech.conf b/server/modules/auth-freiburg/etc/gssapi_mech.conf
new file mode 100644
index 00000000..ac41f5fd
--- /dev/null
+++ b/server/modules/auth-freiburg/etc/gssapi_mech.conf
@@ -0,0 +1,21 @@
+# Example /etc/gssapi_mech.conf file
+#
+# GSSAPI Mechanism Definitions
+#
+# This configuration file determines which GSS-API mechanisms
+# the gssd code should use
+#
+# NOTE:
+# The initiaiization function "mechglue_internal_krb5_init"
+# is used for the MIT krb5 gssapi mechanism.  This special
+# function name indicates that an internal function should
+# be used to determine the entry points for the MIT gssapi
+# mechanism funtions.
+#
+# library                               initialization function
+# ================================	==========================
+# The MIT K5 gssapi library, use special function for initialization.
+libgssapi_krb5.so.2			mechglue_internal_krb5_init
+#
+# The SPKM3 gssapi library function.  Use the function spkm3_gss_initialize.
+# /usr/local/gss_mechs/spkm/spkm3/libgssapi_spkm3.so    spkm3_gss_initialize
diff --git a/server/modules/auth-freiburg/etc/idmapd.conf b/server/modules/auth-freiburg/etc/idmapd.conf
new file mode 100644
index 00000000..2253cf0d
--- /dev/null
+++ b/server/modules/auth-freiburg/etc/idmapd.conf
@@ -0,0 +1,12 @@
+[General]
+
+Verbosity = 0
+Pipefs-Directory = /run/rpc_pipefs
+# set your own domain here, if id differs from FQDN minus hostname
+Domain = uni-freiburg.de
+# localdomain
+
+[Mapping]
+
+Nobody-User = nobody
+Nobody-Group = nogroup
diff --git a/server/modules/auth-freiburg/etc/krb5.conf b/server/modules/auth-freiburg/etc/krb5.conf
new file mode 100644
index 00000000..6fd49243
--- /dev/null
+++ b/server/modules/auth-freiburg/etc/krb5.conf
@@ -0,0 +1,28 @@
+# file copied from configuration package (rootfs/etc/krb5.conf)
+#########################################################################
+[libdefaults]
+    noaddresses = false
+    clockskew = 300
+    default_realm = PUBLIC.ADS.UNI-FREIBURG.DE
+    forwardable = true
+    minimum_uid = 1000
+    proxiable = false
+    renew_lifetime = 30d
+    retain_after_close = false
+    ticket_lifetime = 3d
+    use_shmem = sshd
+    allow_weak_crypto=true
+#########################################################################
+[realms]
+    PUBLIC.ADS.UNI-FREIBURG.DE = {
+        kdc = kerberos.uni-freiburg.de
+        default_domain = uni-freiburg.de
+        admin_server = kerberos.uni-freiburg.de
+    }
+#########################################################################
+[domain_realm]
+    uni-freiburg.de  = PUBLIC.ADS.UNI-FREIBURG.DE
+    .uni-freiburg.de = PUBLIC.ADS.UNI-FREIBURG.DE
+##########################################################################
+[appdefaults]
+#########################################################################
diff --git a/server/modules/auth-freiburg/etc/ldap/ldap.conf b/server/modules/auth-freiburg/etc/ldap/ldap.conf
new file mode 100644
index 00000000..3e7dad17
--- /dev/null
+++ b/server/modules/auth-freiburg/etc/ldap/ldap.conf
@@ -0,0 +1,11 @@
+URI ldaps://ldap.ruf.uni-freiburg.de ldaps://bv1.ruf.uni-freiburg.de ldaps://bv2.ruf.uni-freiburg.de ldaps://bv3.ruf.uni-freiburg.de
+BASE ou=people,dc=uni-freiburg,dc=de
+BIND_TIMELIMIT 5
+TIMELIMIT 10
+LOGDIR /tmp/ldap
+TLS_REQCERT allow
+nss_base_passwd        ou=people,dc=uni-freiburg,dc=de?one?rufdienst=ldap*)(&(rufclienthome=*)(rufstatus=enabled)
+nss_base_group         ou=group,dc=uni-freiburg,dc=de?one
+nss_map_attribute      homeDirectory rufClientHome
+
+nss_initgroups_ignoreusers avahi,avahi-autoipd,backup,bin,colord,daemon,distccd,games,git,gnats,hplip,irc,kdm,kernoops,libuuid,lightdm,list,lp,mail,man,messagebus,news,ntp,proxy,pulse,root,rtkit,saned,speech-dispatcher,sshd,statd,sync,sys,syslog,usbmux,uucp,whoopsie,www-data
diff --git a/server/modules/auth-freiburg/etc/nsswitch.conf b/server/modules/auth-freiburg/etc/nsswitch.conf
new file mode 100644
index 00000000..94e5c180
--- /dev/null
+++ b/server/modules/auth-freiburg/etc/nsswitch.conf
@@ -0,0 +1,19 @@
+# /etc/nsswitch.conf
+#
+# Example configuration of GNU Name Service Switch functionality.
+# If you have the `glibc-doc-reference' and `info' packages installed, try:
+# `info libc "Name Service Switch"' for information about this file.
+
+passwd:         cache compat sss
+group:          cache compat sss
+shadow:         compat
+
+hosts:          files mdns4_minimal [NOTFOUND=return] dns mdns4
+networks:       files
+
+protocols:      db files
+services:       db files
+ethers:         db files
+rpc:            db files
+
+netgroup:       nis
diff --git a/server/modules/auth-freiburg/etc/pam.d/common-account b/server/modules/auth-freiburg/etc/pam.d/common-account
new file mode 100644
index 00000000..179158f7
--- /dev/null
+++ b/server/modules/auth-freiburg/etc/pam.d/common-account
@@ -0,0 +1,26 @@
+#
+# /etc/pam.d/common-account - authorization settings common to all services
+#
+# This file is included from other service-specific PAM config files,
+# and should contain a list of the authorization modules that define
+# the central access policy for use on the system.  The default is to
+# only deny service to users whose accounts are expired in /etc/shadow.
+#
+# As of pam 1.0.1-6, this file is managed by pam-auth-update by default.
+# To take advantage of this, it is recommended that you configure any
+# local modules either before or after the default block, and use
+# pam-auth-update to manage selection of other modules.  See
+# pam-auth-update(8) for details.
+#
+
+# here are the per-package modules (the "Primary" block)
+account	[success=2 new_authtok_reqd=done default=ignore]	pam_unix.so
+account [success=1 new_authtok_reqd=done default=ignore]	pam_sss.so use_first_pass
+# here's the fallback if no module succeeds
+account	requisite			pam_deny.so
+# prime the stack with a positive return value if there isn't one already;
+# this avoids us returning an error just because nothing sets a success code
+# since the modules above will each just jump around
+account	required			pam_permit.so
+# and here are more per-package modules (the "Additional" block)
+# end of pam-auth-update config
diff --git a/server/modules/auth-freiburg/etc/pam.d/common-auth b/server/modules/auth-freiburg/etc/pam.d/common-auth
new file mode 100644
index 00000000..e04c5c74
--- /dev/null
+++ b/server/modules/auth-freiburg/etc/pam.d/common-auth
@@ -0,0 +1,28 @@
+#
+# /etc/pam.d/common-auth - authentication settings common to all services
+#
+# This file is included from other service-specific PAM config files,
+# and should contain a list of the authentication modules that define
+# the central authentication scheme for use on the system
+# (e.g., /etc/shadow, LDAP, Kerberos, etc.).  The default is to use the
+# traditional Unix authentication mechanisms.
+#
+# As of pam 1.0.1-6, this file is managed by pam-auth-update by default.
+# To take advantage of this, it is recommended that you configure any
+# local modules either before or after the default block, and use
+# pam-auth-update to manage selection of other modules.  See
+# pam-auth-update(8) for details.
+
+# here are the per-package modules (the "Primary" block)
+auth	[success=ok default=ignore]	pam_krb5.so minimum_uid=1000
+auth	[success=2 default=ignore]	pam_unix.so try_first_pass
+auth	[success=1 default=ignore]	pam_sss.so use_first_pass
+# here's the fallback if no module succeeds
+auth	requisite			pam_deny.so
+auth	optional			pam_script.so expose=1
+# prime the stack with a positive return value if there isn't one already;
+# this avoids us returning an error just because nothing sets a success code
+# since the modules above will each just jump around
+auth	required			pam_permit.so
+# and here are more per-package modules (the "Additional" block)
+# end of pam-auth-update config
diff --git a/server/modules/auth-freiburg/etc/pam.d/common-password b/server/modules/auth-freiburg/etc/pam.d/common-password
new file mode 100644
index 00000000..cb8c7b71
--- /dev/null
+++ b/server/modules/auth-freiburg/etc/pam.d/common-password
@@ -0,0 +1,33 @@
+#
+# /etc/pam.d/common-password - password-related modules common to all services
+#
+# This file is included from other service-specific PAM config files,
+# and should contain a list of modules that define the services to be
+# used to change user passwords.  The default is pam_unix.
+
+# Explanation of pam_unix options:
+#
+# The "sha512" option enables salted SHA512 passwords.  Without this option,
+# the default is Unix crypt.  Prior releases used the option "md5".
+#
+# The "obscure" option replaces the old `OBSCURE_CHECKS_ENAB' option in
+# login.defs.
+#
+# See the pam_unix manpage for other options.
+
+# As of pam 1.0.1-6, this file is managed by pam-auth-update by default.
+# To take advantage of this, it is recommended that you configure any
+# local modules either before or after the default block, and use
+# pam-auth-update to manage selection of other modules.  See
+# pam-auth-update(8) for details.
+
+# here are the per-package modules (the "Primary" block)
+password	[success=1 default=ignore]	pam_unix.so obscure sha512
+# here's the fallback if no module succeeds
+password	requisite			pam_deny.so
+# prime the stack with a positive return value if there isn't one already;
+# this avoids us returning an error just because nothing sets a success code
+# since the modules above will each just jump around
+password	required			pam_permit.so
+# and here are more per-package modules (the "Additional" block)
+# end of pam-auth-update config
diff --git a/server/modules/auth-freiburg/etc/pam.d/common-session b/server/modules/auth-freiburg/etc/pam.d/common-session
new file mode 100644
index 00000000..be55be0d
--- /dev/null
+++ b/server/modules/auth-freiburg/etc/pam.d/common-session
@@ -0,0 +1,37 @@
+#
+# /etc/pam.d/common-session - session-related modules common to all services
+#
+# This file is included from other service-specific PAM config files,
+# and should contain a list of modules that define tasks to be performed
+# at the start and end of sessions of *any* kind (both interactive and
+# non-interactive).
+#
+# As of pam 1.0.1-6, this file is managed by pam-auth-update by default.
+# To take advantage of this, it is recommended that you configure any
+# local modules either before or after the default block, and use
+# pam-auth-update to manage selection of other modules.  See
+# pam-auth-update(8) for details.
+
+# here are the per-package modules (the "Primary" block)
+session	[default=1]    pam_permit.so
+# here's the fallback if no module succeeds
+session	requisite      pam_deny.so
+# prime the stack with a positive return value if there isn't one already;
+# this avoids us returning an error just because nothing sets a success code
+# since the modules above will each just jump around
+session	required       pam_permit.so
+# The pam_umask module will set the umask according to the system default in
+# /etc/login.defs and user settings, solving the problem of different
+# umask settings with different shells, display managers, remote sessions etc.
+# See "man pam_umask".
+session optional        pam_umask.so
+# and here are more per-package modules (the "Additional" block)
+session	required       pam_systemd.so
+session optional        pam_env.so readenv=1
+session optional        pam_env.so readenv=1 envfile=/etc/default/locale
+session	optional       pam_krb5.so minimum_uid=1000
+session	[success=1]    pam_unix.so 
+session [success=ok]    pam_sss.so
+session	sufficient     pam_script.so
+session optional        pam_mkhomedir.so skel=/etc/skel umask=0022
+# end of pam-auth-update config
diff --git a/server/modules/auth-freiburg/etc/pam.d/common-session-noninteractive b/server/modules/auth-freiburg/etc/pam.d/common-session-noninteractive
new file mode 100644
index 00000000..1fee2c4f
--- /dev/null
+++ b/server/modules/auth-freiburg/etc/pam.d/common-session-noninteractive
@@ -0,0 +1,30 @@
+#
+# /etc/pam.d/common-session-noninteractive - session-related modules
+# common to all non-interactive services
+#
+# This file is included from other service-specific PAM config files,
+# and should contain a list of modules that define tasks to be performed
+# at the start and end of all non-interactive sessions.
+#
+# As of pam 1.0.1-6, this file is managed by pam-auth-update by default.
+# To take advantage of this, it is recommended that you configure any
+# local modules either before or after the default block, and use
+# pam-auth-update to manage selection of other modules.  See
+# pam-auth-update(8) for details.
+
+# here are the per-package modules (the "Primary" block)
+session	[default=1]			pam_permit.so
+# here's the fallback if no module succeeds
+session	requisite			pam_deny.so
+# prime the stack with a positive return value if there isn't one already;
+# this avoids us returning an error just because nothing sets a success code
+# since the modules above will each just jump around
+session	required			pam_permit.so
+# The pam_umask module will set the umask according to the system default in
+# /etc/login.defs and user settings, solving the problem of different
+# umask settings with different shells, display managers, remote sessions etc.
+# See "man pam_umask".
+session optional			pam_umask.so
+# and here are more per-package modules (the "Additional" block)
+session	required	pam_unix.so 
+# end of pam-auth-update config
diff --git a/server/modules/auth-freiburg/etc/pam.d/kdm b/server/modules/auth-freiburg/etc/pam.d/kdm
new file mode 100644
index 00000000..e6a4ec9b
--- /dev/null
+++ b/server/modules/auth-freiburg/etc/pam.d/kdm
@@ -0,0 +1,10 @@
+#
+# /etc/pam.d/kdm - specify the PAM behaviour of kdm
+#
+auth       required     pam_nologin.so
+auth       required     pam_env.so readenv=1
+auth       required     pam_env.so readenv=1 envfile=/etc/default/locale
+auth       include      common-auth
+account    include      common-account
+password   include      common-password
+session    include      common-session
diff --git a/server/modules/auth-freiburg/etc/pam.d/kdm-np b/server/modules/auth-freiburg/etc/pam.d/kdm-np
new file mode 100644
index 00000000..dc10e5b5
--- /dev/null
+++ b/server/modules/auth-freiburg/etc/pam.d/kdm-np
@@ -0,0 +1,11 @@
+#
+# /etc/pam.d/kdm-np - specify the PAM behaviour of kdm for passwordless logins
+#
+auth       required     pam_nologin.so
+auth       required     pam_env.so readenv=1
+auth       required     pam_env.so readenv=1 envfile=/etc/default/locale
+session    required     pam_limits.so
+account    include      common-account
+password   include      common-password
+session    include      common-session
+auth       required     pam_permit.so
diff --git a/server/modules/auth-freiburg/etc/pam.d/login b/server/modules/auth-freiburg/etc/pam.d/login
new file mode 100644
index 00000000..1065f351
--- /dev/null
+++ b/server/modules/auth-freiburg/etc/pam.d/login
@@ -0,0 +1,101 @@
+#
+# The PAM configuration file for the Shadow `login' service
+#
+
+# Enforce a minimal delay in case of failure (in microseconds).
+# (Replaces the `FAIL_DELAY' setting from login.defs)
+# Note that other modules may require another minimal delay. (for example,
+# to disable any delay, you should add the nodelay option to pam_unix)
+auth       optional   pam_faildelay.so  delay=3000000
+
+# Outputs an issue file prior to each login prompt (Replaces the
+# ISSUE_FILE option from login.defs). Uncomment for use
+# auth       required   pam_issue.so issue=/etc/issue
+
+# Disallows root logins except on tty's listed in /etc/securetty
+# (Replaces the `CONSOLE' setting from login.defs)
+#
+# With the default control of this module:
+#   [success=ok new_authtok_reqd=ok ignore=ignore user_unknown=bad default=die]
+# root will not be prompted for a password on insecure lines.
+# if an invalid username is entered, a password is prompted (but login
+# will eventually be rejected)
+#
+# You can change it to a "requisite" module if you think root may mis-type
+# her login and should not be prompted for a password in that case. But
+# this will leave the system as vulnerable to user enumeration attacks.
+#
+# You can change it to a "required" module if you think it permits to
+# guess valid user names of your system (invalid user names are considered
+# as possibly being root on insecure lines), but root passwords may be
+# communicated over insecure lines.
+auth [success=ok new_authtok_reqd=ok ignore=ignore user_unknown=bad default=die] pam_securetty.so
+
+# Disallows other than root logins when /etc/nologin exists
+# (Replaces the `NOLOGINS_FILE' option from login.defs)
+auth       requisite  pam_nologin.so
+
+# SELinux needs to be the first session rule. This ensures that any 
+# lingering context has been cleared. Without out this it is possible 
+# that a module could execute code in the wrong domain.
+# When the module is present, "required" would be sufficient (When SELinux
+# is disabled, this returns success.)
+# OpenSLX: Not Needed?
+#session [success=ok ignore=ignore module_unknown=ignore default=bad] pam_selinux.so close
+
+# 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
+
+# Standard Un*x authentication.
+auth include common-auth
+
+# TODO do we need this?
+# This allows certain extra groups to be granted to a user
+# based on things like time of day, tty, service, and user.
+# Please edit /etc/security/group.conf to fit your needs
+# (Replaces the `CONSOLE_GROUPS' option in login.defs)
+#auth       optional   pam_group.so
+
+# Uncomment and edit /etc/security/time.conf if you need to set
+# time restrainst on logins.
+# (Replaces the `PORTTIME_CHECKS_ENAB' option from login.defs
+# as well as /etc/porttime)
+# account    requisite  pam_time.so
+
+# Uncomment and edit /etc/security/access.conf if you need to
+# set access limits.
+# (Replaces /etc/login.access file)
+# account  required       pam_access.so
+
+# TODO do we need this?
+# Sets up user limits according to /etc/security/limits.conf
+# (Replaces the use of /etc/limits in old login)
+#session    required   pam_limits.so
+
+# TODO check if this is needed
+# Prints the last login info upon succesful login
+# (Replaces the `LASTLOG_ENAB' option from login.defs)
+session    optional   pam_lastlog.so
+
+# Prints the motd upon succesful login
+# (Replaces the `MOTD_FILE' option in login.defs)
+session    optional   pam_motd.so
+
+# Standard Un*x account and session
+account include common-account
+session include common-session
+password include common-password
+
+# SELinux needs to intervene at login time to ensure that the process
+# starts in the proper default security context. Only sessions which are
+# intended to run in the user's context should be run after this.
+session [success=ok ignore=ignore module_unknown=ignore default=bad] pam_selinux.so open
+# When the module is present, "required" would be sufficient (When SELinux
+# is disabled, this returns success.)
diff --git a/server/modules/auth-freiburg/etc/pam.d/other b/server/modules/auth-freiburg/etc/pam.d/other
new file mode 100644
index 00000000..840eb77f
--- /dev/null
+++ b/server/modules/auth-freiburg/etc/pam.d/other
@@ -0,0 +1,10 @@
+#%PAM-1.0
+auth	 required	pam_warn.so
+auth	 required	pam_deny.so
+account  required	pam_warn.so
+account	 required	pam_deny.so
+password required	pam_warn.so
+password required	pam_deny.so
+session  required       pam_warn.so
+session	 required	pam_deny.so
+
diff --git a/server/modules/auth-freiburg/etc/pam.d/passwd b/server/modules/auth-freiburg/etc/pam.d/passwd
new file mode 100644
index 00000000..32eaa3c6
--- /dev/null
+++ b/server/modules/auth-freiburg/etc/pam.d/passwd
@@ -0,0 +1,6 @@
+#
+# The PAM configuration file for the Shadow `passwd' service
+#
+
+password include common-password
+
diff --git a/server/modules/auth-freiburg/etc/pam.d/sshd b/server/modules/auth-freiburg/etc/pam.d/sshd
new file mode 100644
index 00000000..8954d639
--- /dev/null
+++ b/server/modules/auth-freiburg/etc/pam.d/sshd
@@ -0,0 +1,41 @@
+# PAM configuration for the Secure Shell service
+
+# Read environment variables from /etc/environment and
+# /etc/security/pam_env.conf.
+auth       required     pam_env.so # [1]
+# In Debian 4.0 (etch), locale-related environment variables were moved to
+# /etc/default/locale, so read that as well.
+auth       required     pam_env.so envfile=/etc/default/locale
+
+# Standard Un*x authentication.
+auth include common-auth
+
+# Disallow non-root logins when /etc/nologin exists.
+account    required     pam_nologin.so
+
+# Uncomment and edit /etc/security/access.conf if you need to set complex
+# access limits that are hard to express in sshd_config.
+# account  required     pam_access.so
+
+# Standard Un*x authorization.
+account include common-account
+
+# Standard Un*x session setup and teardown.
+session include common-session
+
+# Print the message of the day upon successful login.
+session    optional     pam_motd.so # [1]
+
+# TODO do we need this?
+# Print the status of the user's mailbox upon successful login.
+#session    optional     pam_mail.so standard noenv # [1]
+
+# TODO do we need this?
+# Set up user limits from /etc/security/limits.conf.
+#session    required     pam_limits.so
+
+# Set up SELinux capabilities (need modified pam)
+# session  required     pam_selinux.so multiple
+
+# Standard Un*x password updating.
+password include common-password
diff --git a/server/modules/auth-freiburg/etc/pam.d/vmware-authd b/server/modules/auth-freiburg/etc/pam.d/vmware-authd
new file mode 100644
index 00000000..1f9b60f9
--- /dev/null
+++ b/server/modules/auth-freiburg/etc/pam.d/vmware-authd
@@ -0,0 +1,6 @@
+#%PAM-1.0
+auth     include        common-auth
+account  include        common-account
+password include        common-password
+session  include        common-session
+
diff --git a/server/modules/auth-freiburg/etc/pam.d/xdm b/server/modules/auth-freiburg/etc/pam.d/xdm
new file mode 100644
index 00000000..d21651db
--- /dev/null
+++ b/server/modules/auth-freiburg/etc/pam.d/xdm
@@ -0,0 +1,6 @@
+#%PAM-1.0
+auth     include        common-auth
+account  include        common-account
+password include        common-password
+session  required       pam_loginuid.so
+session  include        common-session
diff --git a/server/modules/auth-freiburg/etc/profile.d/00-autostart.sh b/server/modules/auth-freiburg/etc/profile.d/00-autostart.sh
new file mode 100755
index 00000000..642aa002
--- /dev/null
+++ b/server/modules/auth-freiburg/etc/profile.d/00-autostart.sh
@@ -0,0 +1,40 @@
+#!/bin/ash
+
+TEMP_HOME_DIR="$HOME"
+PERSISTENT_HOME_DIR="$HOME/PERSISTENT"
+
+if [ -d "$PERSISTENT_HOME_DIR" ]; then
+
+	# Persistent home was mounted, take care of some conveinience
+	# Dirs
+	for file in .vim .mozilla .thunderbird .config/chromium .config/htop .config/openslx .config/xfce4; do
+		[ -e "$TEMP_HOME_DIR/$file" ] && break
+		if [ "x$(dirname "$file")" != "x." ]; then
+			mkdir -p "$TEMP_HOME_DIR/$(dirname "$file")"
+		fi
+		if [ ! -d "$PERSISTENT_HOME_DIR/$file" ]; then
+			mkdir -p "$PERSISTENT_HOME_DIR/$file"
+		fi
+		ln -s "$PERSISTENT_HOME_DIR/$file" "$TEMP_HOME_DIR/$file"
+	done
+	# Files
+	for file in .bashrc .profile .vimrc .gitconfig; do
+		[ -e "$TEMP_HOME_DIR/$file" ] && break
+		if [ "x$(dirname "$file")" != "x." ]; then
+			mkdir -p "$TEMP_HOME_DIR/$(dirname "$file")"
+		fi
+		if [ ! -e "$PERSISTENT_HOME_DIR/$file" ]; then
+			touch "$PERSISTENT_HOME_DIR/$file"
+		fi
+		ln -s "$PERSISTENT_HOME_DIR/$file" "$TEMP_HOME_DIR/$file"
+	done
+	# Check if user has autostart script and run it (so they can create more symlinks etc.)
+	if [ -x "$PERSISTENT_HOME_DIR/AUTOSTART" ]; then
+		if cd "$TEMP_HOME_DIR"; then
+			"$PERSISTENT_HOME_DIR/AUTOSTART"
+			cd - >/dev/null 2>&1
+		fi
+	fi
+
+fi
+
diff --git a/server/modules/auth-freiburg/etc/sssd/sssd.conf b/server/modules/auth-freiburg/etc/sssd/sssd.conf
new file mode 100644
index 00000000..7b3d7b51
--- /dev/null
+++ b/server/modules/auth-freiburg/etc/sssd/sssd.conf
@@ -0,0 +1,60 @@
+[sssd]
+config_file_version = 2
+services = nss, pam
+#debug_level = 0xffff
+# SSSD will not start if you do not configure any domains.
+# Add new domain configurations as [domain/<NAME>] sections, and
+# then add the list of domains (in the order you want them to be
+# queried) to the "domains" attribute below and uncomment it.
+domains = LDAP
+
+[nss]
+filter_users = root,ldap,named,avahi,haldaemon,dbus,radiusd,news,nscd,demo
+
+[pam]
+
+# Example LDAP domain
+[domain/LDAP]
+id_provider = ldap
+auth_provider = ldap
+ldap_tls_reqcert = never
+# ldap_schema can be set to "rfc2307", which stores group member names in the
+# "memberuid" attribute, or to "rfc2307bis", which stores group member DNs in
+# the "member" attribute. If you do not know this value, ask your LDAP
+# administrator.
+ldap_schema = rfc2307bis
+ldap_uri = ldaps://ldap.ruf.uni-freiburg.de
+ldap_backup_uri = ldaps://bv1.ruf.uni-freiburg.de,ldaps://bv2.ruf.uni-freiburg.de,ldaps://bv3.ruf.uni-freiburg.de
+ldap_group_search_base = ou=group,dc=uni-freiburg,dc=de
+ldap_user_search_base = ou=people,dc=uni-freiburg,dc=de
+ldap_user_home_directory = rufClientHome
+ldap_search_base = ou=people,dc=uni-freiburg,dc=de
+# Note that enabling enumeration will have a moderate performance impact.
+# Consequently, the default value for enumeration is FALSE.
+# Refer to the sssd.conf man page for full details.
+; enumerate = false
+# Allow offline logins by locally storing password hashes (default: false).
+cache_credentials = true
+
+# An example Active Directory domain. Please note that this configuration
+# works for AD 2003R2 and AD 2008, because they use pretty much RFC2307bis
+# compliant attribute names. To support UNIX clients with AD 2003 or older,
+# you must install Microsoft Services For Unix and map LDAP attributes onto
+# msSFU30* attribute names.
+;[domain/AD]
+;id_provider = ldap
+;auth_provider = krb5
+;chpass_provider = krb5
+
+;ldap_uri = ldaps://bv1.ruf.uni-freiburg.de ldaps://bv2.ruf.uni-freiburg.de ldaps://bv3.ruf.uni-freiburg.de
+;ldap_search_base = ou=people,dc=uni-freiburg,dc=de
+;ldap_schema = rfc2307bis
+;ldap_sasl_mech = GSSAPI
+;ldap_user_object_class = user
+;ldap_group_object_class = group
+;ldap_user_principal = userPrincipalName
+;ldap_account_expire_policy = ad
+;ldap_force_upper_case_realm = true
+;
+; krb5_server = your.ad.example.com
+; krb5_realm = EXAMPLE.COM
diff --git a/server/modules/auth-freiburg/etc/systemd/system/getty.target.wants/rpc-gssd.service b/server/modules/auth-freiburg/etc/systemd/system/getty.target.wants/rpc-gssd.service
new file mode 120000
index 00000000..194aba77
--- /dev/null
+++ b/server/modules/auth-freiburg/etc/systemd/system/getty.target.wants/rpc-gssd.service
@@ -0,0 +1 @@
+../rpc-gssd.service
\ No newline at end of file
diff --git a/server/modules/auth-freiburg/etc/systemd/system/getty.target.wants/rpc-idmapd.service b/server/modules/auth-freiburg/etc/systemd/system/getty.target.wants/rpc-idmapd.service
new file mode 120000
index 00000000..66a28252
--- /dev/null
+++ b/server/modules/auth-freiburg/etc/systemd/system/getty.target.wants/rpc-idmapd.service
@@ -0,0 +1 @@
+../rpc-idmapd.service
\ No newline at end of file
diff --git a/server/modules/auth-freiburg/etc/systemd/system/rpc-gssd.service b/server/modules/auth-freiburg/etc/systemd/system/rpc-gssd.service
new file mode 100644
index 00000000..79ffce8d
--- /dev/null
+++ b/server/modules/auth-freiburg/etc/systemd/system/rpc-gssd.service
@@ -0,0 +1,7 @@
+[Unit]
+Description=NFS rpcsec_gss daemon
+Requires=run-rpc_pipefs.mount
+After=run-rpc_pipefs.mount
+
+[Service]
+ExecStart=/usr/sbin/rpc.gssd -f -vvv -p /run/rpc_pipefs
diff --git a/server/modules/auth-freiburg/etc/systemd/system/rpc-idmapd.service b/server/modules/auth-freiburg/etc/systemd/system/rpc-idmapd.service
new file mode 100644
index 00000000..c4da93e7
--- /dev/null
+++ b/server/modules/auth-freiburg/etc/systemd/system/rpc-idmapd.service
@@ -0,0 +1,7 @@
+[Unit]
+Description=NFSv4 ID-name mapping daemon
+Requires=network.target run-rpc_pipefs.mount
+After=network.target
+
+[Service]
+ExecStart=/usr/sbin/rpc.idmapd -f
diff --git a/server/modules/auth-freiburg/etc/systemd/system/run-rpc_pipefs.mount b/server/modules/auth-freiburg/etc/systemd/system/run-rpc_pipefs.mount
new file mode 100644
index 00000000..692adce8
--- /dev/null
+++ b/server/modules/auth-freiburg/etc/systemd/system/run-rpc_pipefs.mount
@@ -0,0 +1,7 @@
+[Unit]
+Description=Pipefs RPC filesystem
+
+[Mount]
+What=rpc_pipefs
+Where=/run/rpc_pipefs
+Type=rpc_pipefs
diff --git a/server/modules/auth-freiburg/opt/openslx/scripts/pam_script_mount_persistent b/server/modules/auth-freiburg/opt/openslx/scripts/pam_script_mount_persistent
new file mode 100644
index 00000000..dbe6ef01
--- /dev/null
+++ b/server/modules/auth-freiburg/opt/openslx/scripts/pam_script_mount_persistent
@@ -0,0 +1,99 @@
+###################################################################
+#
+#       This script is a part of the pam_script_ses_open script
+#       and is not stand-alone!
+#
+#       It will try to mount the home directories of students
+#       under /home/<user>/PERSISTENT using cifs/kerberos.
+#
+
+# Only run this if PAM_USER is not a local user.
+if ! grep -q "^${PAM_USER}:" "/etc/passwd"; then
+
+	# determine fileserver and share for home directories
+	ldapsearch -x -LLL uid="${PAM_USER}" rufHomepath homeDirectory rufFileserver> "/tmp/ldapsearch.${PAM_USER}" || \
+		{ slxlog "pam-freiburg-ldapquery" "Could not query LDAP server for parameters of user '${PAM_USER}'."; exit 1; }
+
+	CIFS_VOLUME=$(cat /tmp/ldapsearch.${PAM_USER} | grep rufHomepath | cut -d" " -f2 | tr '\\' '/')
+
+	if [ ! -z "${CIFS_VOLUME}" ]; then
+		# now we can mount the home directory!
+		MOUNT_OPTS="-t cifs -o uid=${USER_UID},gid=${USER_GID},forceuid,forcegid,file_mode=0700,dir_mode=0700,nobrl,noacl"
+		export USER="${PAM_USER}"
+		export PASSWD="${PAM_AUTHTOK}"
+
+		SIGNAL=$(mktemp)
+		MOUNT_OUTPUT=$(mktemp)
+		rm -f -- "${SIGNAL}"
+		( mount -v ${MOUNT_OPTS} "${CIFS_VOLUME}" "${PERSISTENT_HOME_DIR}" > "$MOUNT_OUTPUT" 2>&1 || touch "${SIGNAL}" ) &
+		MOUNT_PID=$!
+		for COUNTER in 1 2 4 4; do
+			kill -0 "${MOUNT_PID}" 2>/dev/null || break
+			sleep "${COUNTER}"
+		done
+
+		if [ -e "${SIGNAL}" ]; then
+			slxlog "pam-freiburg-cifs" "Mount of '${CIFS_VOLUME}' to '${PERSISTENT_HOME_DIR}' failed. (Args: ${MOUNT_OPTS})" "$MOUNT_OUTPUT"
+			rm -f -- "${SIGNAL}"
+		elif kill -9 "${MOUNT_PID}" 2>/dev/null; then
+			slxlog "pam-freiburg-cifs" "Mount of '${CIFS_VOLUME}' to '${PERSISTENT_HOME_DIR}' timed out. (Args: ${MOUNT_OPTS})" "$MOUNT_OUTPUT"
+		else
+				PERSISTENT_OK=yes
+			fi
+		( sleep 2; rm -f -- "$MOUNT_OUTPUT" ) &
+	else
+		slxlog "pam-freiburg-ldap-cifs-volume" "LDAP server did not provide 'rufHomepath'. Aborting mount for ${PAM_USER}."
+	fi
+
+	# unset credentials
+	unset USER
+	unset PASSWD
+
+	# check if cifs mount worked.
+	if [ -z "$PERSISTENT_OK"  ]; then
+
+		# determine the server and paths to the user's home directory
+		FILESERVER=$(cat /tmp/ldapsearch.${PAM_USER} | grep rufFileserver | cut -d" " -f2)
+		VOLUME=$(cat /tmp/ldapsearch.${PAM_USER} | grep homeDirectory | cut -d" " -f2)
+
+		[ -z "${FILESERVER}" ] && slxlog "pam-freiburg-ldapfs" "LDAP server did not provide 'rufFileserver'. Aborting mount for ${PAM_USER}." && exit 1
+		[ -z "${VOLUME}" ] && slxlog "pam-freiburg-ldapvolume" "LDAP server did not provide 'homeDirectory'. Aborting mount for ${PAM_USER}." && exit 1
+
+		# generate keytab (try twice :))
+		sslconnect npserv.ruf.uni-freiburg.de:3 > /etc/krb5.keytab || \
+			sslconnect npserv.ruf.uni-freiburg.de:3 > /etc/krb5.keytab || \
+			{ slxlog "pam-freiburg-sslconnect" "Could not get /etc/krb5.keytab from npserv.ruf.uni-freiburg.de"; [ ! -s /etc/krb5.keytab ] && exit 1; }
+
+		chmod 600 /etc/krb5.keytab || \
+			{ slxlog "pam-freiburg-keytab" "Could not run 'chmod 600 /etc/krb5.keytab'"; exit 1; }
+
+		MOUNT_OPTS="-t nfs4 -o rw,nosuid,nodev,nolock,intr,hard,sloppy"
+
+		if echo "$FILESERVER" | grep -q "sunfs6"; then
+			MOUNT_OPTS="${MOUNT_OPTS},sec=krb5i"
+		else
+			MOUNT_OPTS="${MOUNT_OPTS},sec=krb5p"
+		fi
+
+		SIGNAL=$(mktemp)
+		MOUNT_OUTPUT=$(mktemp)
+		rm -f -- "${SIGNAL}"
+		( mount -v ${MOUNT_OPTS} "${FILESERVER}:${VOLUME}" "${PERSISTENT_HOME_DIR}" > "$MOUNT_OUTPUT" 2>&1 || touch "${SIGNAL}" ) &
+		MOUNT_PID=$!
+		for COUNTER in 1 2 4 4; do
+			kill -0 "${MOUNT_PID}" 2>/dev/null || break
+			sleep "${COUNTER}"
+		done
+
+		if [ -e "${SIGNAL}" ]; then
+			slxlog "pam-freiburg-krb" "Mount of '${FILESERVER}:${VOLUME}' to '${PERSISTENT_HOME_DIR}' failed. (Args: ${MOUNT_OPTS})" "$MOUNT_OUTPUT"
+			rm -f -- "${SIGNAL}"
+		elif kill -9 "${MOUNT_PID}" 2>/dev/null; then
+			slxlog "pam-freiburg-krb" "Mount of '${FILESERVER}:${VOLUME}' to '${PERSISTENT_HOME_DIR}' timed out. (Args: ${MOUNT_OPTS})" "$MOUNT_OUTPUT"
+		else
+			PERSISTENT_OK=yes
+		fi
+		( sleep 2; rm -f -- "$MOUNT_OUTPUT" ) &
+	fi
+fi
+