#!/bin/bash

function error_exit() {
  log "$1:$2 failed, exit status $?"
  exit 1
}

trap 'error_exit "${BASH_SOURCE}" "${LINENO}"' ERR

LOG=/var/log/pam_script.log

function log() {
  logger --priority auth.info --tag "$0" "$@"
  echo "$(date) $0: $@" >> $LOG
}

if [ -n $PAM_USER ] && [ $PAM_USER != "root" ]; then
  if ([ -n $PAM_SERVICE ] && [[ $PAM_SERVICE == *"dm"  ]]) || ([ -n $PAM_TTY ] && [[ $PAM_TTY == ":"* ]]); then
    SERVICE="none"
    if [ -n $PAM_SERVICE ]; then
      SERVICE="$PAM_SERVICE"
    fi
    TTY_DISPLAY="none"
    if [ -n $PAM_TTY ]; then
      TTY_DISPLAY="$PAM_TTY"
    fi
    log "logout: $PAM_USER service: $SERVICE tty: $TTY_DISPLAY"
    sudo python3 /usr/share/ahenk/ahenkd.py logout $PAM_USER
  fi
fi