checketc.sh

#!/bin/bash

dir_etc="/etc"
checklogs="/var/log/checketc.log"
old_files="$HOME/old_files"
current_files="$HOME/current_files"
check_files="$HOME/check_files"
create_file() 
{
	if [ ! -e $1 ]
	then
		touch $1
	fi
}
check_file_text() 
{
	echo $1 >> $checklogs
	is_file_text=$(file -i $1 | grep -w "text/plain")
	if [ $check ]
	then
		head -n 10 "$1" >> $checklogs
	fi
}
check_new_file() 
{
	while read -r line
	do
		is_old_file=$(grep -w $line -m 1 $1)
		if [[ ! $is_old_file ]]
		then
			check_file_text $line
		fi
	done < $2
}

check_delete_file() 
{
	while read -r line
	do
		is_still_file=$(grep -w $line -m 1 $2)
		if [[ ! $is_still_file ]]
		then
			echo $line >> $checklogs
		fi
	done < $1
}

create_file $checklogs
create_file $current_files
create_file $old_files
create_file $check_files

find $dir_etc -type f > $current_files
find $dir -type f -cmin -30 > $check_files

echo "[Log checketc - `date +%T` `date +%D`]" > $checklogs

echo "=== Danh sach file moi tao ===" >> $checklogs
check_new_file $old_files $check_files >> $checklogs

echo "=== Danh sach file sua doi ===" >> $checklogs
sudo find $dir_etc -mmin -30 >> $checklogs

echo "=== Danh sach file bi xoa ===" >> $checklogs
check_delete_file $old_files $current_files >> $checklogs

cat $current_files > $old_files

sendmail root@localhost < $checklogs