#!/bin/bash
#
# userpruning - a script to identify LAIR accounts that are over 2 years idle
#

# meant to be run on the fileserver
cd /export/home
now=$(date +%s)

# for each user
for user in `/bin/ls -1Ad [h-z]*`; do
        newflag="off"

        logage=$(cat /tmp/LAST | grep "\<${user}\>" | cut -c44-80)
        if [ "${logage}" = "**Never logged in**" ]; then
                oldness="${now}"
                NLI="{NLI}"
        else
                logage=$(date -d "`cat /tmp/LAST | grep \"\<${user}\>\" | cut -c44-80`" +%s)
                oldness=$((${now}-${logage}))
                NLI=
        fi

        if [ "${oldness}" -gt 63072000 ]; then
                # for each directory in that user's account
                for dir in `find ${user} -type d | tr ' ' '^' | grep -v 'Maildir' | grep -v '.pinerc'`; do

                        dirname=$(echo ${dir} | tr '^' ' ')
                        modate=$(stat "${dirname}" | grep '^Modify:' | cut -d' ' -f2)
                        age=$(date -d "${modate}" +%s)
                        oldness=$((${now}-${age}))
                        if [ "${oldness}" -lt 63072000 ]; then
                                echo -n "${NLI}[${user}] /home/${dirname} has "
                                stat ${dirname} | grep '^Modify:' | cut -d' ' -f2
                                echo -n "Omit? "
                                read answer
                                if [ "${answer}" = "n" ]; then
                                        newflag="on"
                                        break
                                fi
                        fi
                done
        else
                newflag="on"
        fi

        if [ "${newflag}" = "off" ]; then
                echo "${NLI}${user}:${oldness}"
                echo "${user}:${oldness}:${NLI}" >> /tmp/usercandidatesfordeletion
        fi
done