#!/bin/sh

PREREQ=""
DESCRIPTION="Configuration of LliureX live user..."

prereqs()
{
       echo "$PREREQ"
}

case $1 in
# get pre-requisites
prereqs)
       prereqs
       exit 0
       ;;
esac

. /scripts/casper-functions

log_begin_msg "$DESCRIPTION"

[ ! -f /root/etc/default/user-setup ] || . /root/etc/default/user-setup

# check the conf file
LLIUREX_USERS_DIR="/root/etc/lliurex-live-scripts/users"
if [ -d "$LLIUREX_USERS_DIR" ] ; then

   # read users conf files line by line:
   #    username:crypt password:space separated list of groups

   for U_FILE in $(ls $LLIUREX_USERS_DIR) ; do
      USER_FILE="${LLIUREX_USERS_DIR}/${U_FILE}"
      if [ -f "$USER_FILE" ] ; then
         cat "$USER_FILE" |while read line ; do
            LLX_USER="${line%%:*}"
            if [ "$LLX_USER" ] ; then

               # check user and get group list in the chroot
               REAL_GROUP_LIST="$(chroot /root id $LLX_USER 2> /dev/null |sed -e "s%.* gid=%%")"
               if [ "$REAL_GROUP_LIST" ] ; then
                  line="${line#*:}"

                  # set passwd
                  LLX_PASS="${line%%:*}"
                  [ -z "$LLX_PASS" ] || chroot /root usermod -p "$LLX_PASS" "$LLX_USER" >  /dev/null 2> /dev/null

                  # get group list
                  LLX_GROUPS=$(echo ${line#*:})
                  [ "$LLX_GROUPS" ] || LLX_GROUPS="$USER_SETUP_DEFAULT_GROUPS $USER_SETUP_EXTRA_GROUPS"
                  for g in ${LLX_GROUPS} ; do
                     if ! echo "$REAL_GROUP_LIST" |grep -q "(${g})" ; then
                        # we need to add user to group
                        # for sanity, create group first
                        chroot /root groupadd -f "$g" > /dev/null 2> /dev/null
                        chroot /root usermod -aG "$g" "$LLX_USER" > /dev/null 2> /dev/null
                     fi
                  done
               fi
            fi
         done
      fi
   done
fi

log_end_msg