[pam] support for common share mounting script in pam_script_auth

the actual common share mount script should be in
/opt/openslx/scripts/pam_script_mount_common_share
and should come from a server/module as it is at the very
least institution-specific!

1 files changed, 41 insertions, 7 deletions

diff --git a/remote/modules/pam/data/opt/openslx/scripts/pam_script_auth b/remote/modules/pam/data/opt/openslx/scripts/pam_script_auth
index 48efcf6f..e7de3a8c 100755
--- a/remote/modules/pam/data/opt/openslx/scripts/pam_script_auth
+++ b/remote/modules/pam/data/opt/openslx/scripts/pam_script_auth
@@ -8,14 +8,8 @@ USER_UID=$(echo "$PASSWD" | awk -F ':' '{print $3}')
 USER_GID=$(echo "$PASSWD" | awk -F ':' '{print $4}')
 USER_HOME=$(echo "$PASSWD" | awk -F ':' '{print $6}')
 
-# Script to be sourced to mount the user's persistent home
-PERSISTENT_MOUNT_SCRIPT="/opt/openslx/scripts/pam_script_mount_persistent"
-# Script to be run in the user's context iff the persistent home could be mounted successfully
-PERSISTENT_MOUNT_USER_SCRIPT="/opt/openslx/scripts/pam_script_mount_persistent_user"
 # The user's non-persistent home directory mount point, which should be their linux home
 TEMP_HOME_DIR="$USER_HOME"
-# The user's persistent home directory mount point
-PERSISTENT_HOME_DIR="${TEMP_HOME_DIR}/PERSISTENT"
 
 # check if the script runs as root
 [ "x$(whoami)" != "xroot" ] && exit 0
@@ -44,6 +38,18 @@ Your real home is under /home/<user>/PERSISTENT.
 Please save your files there.
 EOF
 
+###############################################################################
+#
+#                    Preparations for /home/<user>/PERSISTENT
+#
+#
+# Script to be sourced to mount the user's persistent home
+PERSISTENT_MOUNT_SCRIPT="/opt/openslx/scripts/pam_script_mount_persistent"
+# Script to be run in the user's context iff the persistent home could be mounted successfully
+PERSISTENT_MOUNT_USER_SCRIPT="/opt/openslx/scripts/pam_script_mount_persistent_user"
+# The user's persistent home directory mount point
+PERSISTENT_HOME_DIR="${TEMP_HOME_DIR}/PERSISTENT"
+
 # create the PERSISTENT directory
 mkdir -p "${PERSISTENT_HOME_DIR}" || \
 	{ slxlog "pam-global-mkpersistent" "Could not create '${PERSISTENT_HOME_DIR}'."; exit 1; }
@@ -57,12 +63,40 @@ fi
 [ ! -e "${PERSISTENT_MOUNT_SCRIPT}" ] && exit 0
 # yes
 . "${PERSISTENT_MOUNT_SCRIPT}" || \
-	{ slxlog "pam-global-sourcepersistent" "Could not source ${PERSISTENT_MOUNT_SCRIPT}."; exit 1; }
+	{ slxlog "pam-global-sourcepersistent" "Could not source '${PERSISTENT_MOUNT_SCRIPT}'."; exit 1; }
 
 # Just try to delete the persistent dir. If the mount was successful, it will not work
 # If it was not successful, it will be removed so the user doesn't think he can store
 # anything in there
 rmdir "$PERSISTENT_HOME_DIR" 2> /dev/null
 
+###############################################################################
+#
+#                    Preparations for /home/<user>/SHARE
+#
+#
+# Script to be sourced to mount the common share folder
+COMMON_SHARE_MOUNT_SCRIPT="/opt/openslx/scripts/pam_script_mount_common_share"
+# User specific mount point for the common share
+COMMON_SHARE_MOUNT_POINT="${TEMP_HOME_DIR}/SHARE"
+
+# create the SHARE directory
+mkdir -p "${COMMON_SHARE_MOUNT_POINT}" || \
+	{ slxlog "pam-global-mkshare" "Could not create '${COMMON_SHARE_MOUNT_POINT}'."; exit 1; }
+
+# chown the new dir
+chown "${PAM_USER}:${USER_GID}" "${COMMON_SHARE_MOUNT_POINT}" || \
+	{ slxlog "pam-global-chshare" "Could not chown '${COMMON_SHARE_MOUNT_POINT}' to '${PAM_USER}'."; exit 1; }
+
+# check for common share mount script, exit if we don't have one
+[ ! -e "${COMMON_SHARE_MOUNT_SCRIPT}" ] && exit 0
+
+# we do!
+. "${COMMON_SHARE_MOUNT_SCRIPT}" || \
+	{ slxlog "pam-global-sourceshare" "Could not source '${COMMON_SHARE_MOUNT_SCRIPT}'."; exit 1; }
+
+# Just try to delete the common share dir. If the mount was successful, it will not work
+rmdir "${COMMON_SHARE_MOUNT_POINT}" 2> /dev/null
+
 exit 0