#!/bin/bash
#########################################################################
#                HW and SW inventory script for DEB/RHEL                #
#                           Created by PM-DoIT                          #
#                                   v 0.2                               #
#########################################################################

#----------------------------- VARIABLES -------------------------------#
DMI=$(whereis dmidecode | awk '{print $2}')
LSH=$(whereis lshw | awk '{print $2}')
PCI=$(whereis lspci | awk '{print $2}')
RPM=$(whereis rpm | awk '{print $2}')
DPKG=$(whereis dpkg | awk '{print $2}')

#------------------------------- TEMP ----------------------------------#
LOG=/tmp/audit.log
REP=/tmp/audit.rep
SW=/tmp/audit.sw
test -f $LOG && rm -rf $LOG 
test -f $REP && rm -rf $REP
test -f $SW && rm -rf $SW

#------------------------------- AUDIT ---------------------------------#
echo "=================================================="
echo -e "         \e[1;32m*** AUDIT inventory by DoIT ***\e[0m"
echo "=================================================="
system(){
echo -e '\E[33m'"HOSTNAME:" `hostname -s`
echo "OS $(cat /etc/os-release | egrep -w NAME | sed 's/="/: /g' | sed 's/"//g')"
echo "$(cat /etc/os-release | egrep -w VERSION | sed 's/="/: /g' | sed 's/"//g')"
echo "KERNEL: $(uname -r)"
echo "IP: $(hostname -I | awk '{print $1}')"
echo -e "UPTIME: $(uptime -p)\e[0m"
echo "=================================================="
echo -e "               \e[1;36m*** DNS AUDIT ***\e[0m"
echo "=================================================="
cat /etc/resolv.conf | awk '{print $2}' | sort | uniq
echo "=================================================="
}
hardware(){
echo -e "               \e[1;36m*** CPU AUDIT ***\e[0m"
echo "=================================================="
echo "CORES: $(cat /proc/cpuinfo | grep processor | wc -l)"
echo "LOAD:$(uptime | grep -o 'average.*' | cut -f2- -d:)"
if [ -z $LSH ]; then
  echo -e "\e[1;31m! lshw not installed\e[0m"
else
  $LSH -c cpu | egrep "product:|size:" | uniq | sed 's/^[ \t]*//'
fi
echo "=================================================="
echo -e "               \e[1;36m*** RAM AUDIT ***\e[0m"
echo "=================================================="
if [ -z $DMI ]; then
  echo -e "\e[1;31m! dmidecode not installed\e[0m"
else
  $DMI -t memory | egrep "Manufacturer|Part|Size|Speed" | \
  egrep -v "Unknown|Not Installed|No Module Installed|Not Specified|Maximum|Supported|Connection" | \
  sed 's/^[ \t]*//'
fi
echo -e "\e[1;35m- Memory Usage\e[0m"
echo "--------------------------------------------------"
free -h | grep -v + | awk '{print $1,$2,$3,$4}' | column -t
echo "=================================================="
echo -e "               \e[1;36m*** NET AUDIT ***\e[0m"
echo "=================================================="
if [ -z $LSH ]; then
  echo -e "\e[1;31m! lshw not installed\e[0m"
else
  $LSH -c net | egrep "product:|size:"  | sed 's/^[ \t]*//'
fi
echo "--------------------------------------------------"
echo -e "\e[1;35m- Network interfaces\e[0m"
echo "--------------------------------------------------"
ip a | egrep -v "lo:|127.0" | egrep -w "mtu|inet" | awk '{print $2}' | sed 's/^[ \t]*//'
echo "--------------------------------------------------"
echo -e "\e[1;35m- Network routes\e[0m"
echo "--------------------------------------------------"
route | sed 's/  */ /g;/^Kernel/d;/^Destination/d' | column -t
echo "=================================================="
echo -e "               \e[1;36m*** HDD AUDIT ***\e[0m"
echo "=================================================="
if [ -z $LSH ]; then
  echo -e "\e[1;31m! lshw not installed\e[0m"
else
  $LSH -short -C disk
fi
echo "--------------------------------------------------"
echo -e "\e[1;35m- Locations\e[0m"
echo "--------------------------------------------------"
lsblk -o "NAME,SIZE,FSTYPE,MOUNTPOINT"
echo "--------------------------------------------------"
echo -e "\e[1;35m- Partitions\e[0m"
echo "--------------------------------------------------"
df -l -P -T -B GB | grep -v tmp
echo "=================================================="
echo -e "              \e[1;36m*** BOARD INFO ***\e[0m"
echo "=================================================="
echo -e "\e[1;35m- MODEL\e[0m"
echo "--------------------------------------------------"
if [ -z $DMI ]; then
	echo -e "\e[1;31m! [dmidecode] not installed\e[0m"
else
	CDM=$($DMI -t baseboard | egrep "Manufacturer|Product" | sed 's/^[ \t]*//' | head -1 | awk '{print $1}')
	if [ ! -z $CDM ]; then
		$DMI -t baseboard | egrep "Manufacturer|Product" | sed 's/^[ \t]*//'
	else
		echo -e "\e[1;37m- NOT present\e[0m"
	fi
fi
echo "--------------------------------------------------"
echo -e "\e[1;35m- ONBOARD DEVICE\e[0m"
echo "--------------------------------------------------"
if [ -z $DMI ]; then
	echo -e "\e[1;31m! dmidecode not installed\e[0m"
else
	CDM=$($DMI -t baseboard | grep Reference | sed 's/^[ \t]*//' | head -1 | awk '{print $1}')
	if [ ! -z $CDM ]; then
	$DMI -t baseboard | grep Reference | sed 's/^[ \t]*//'
	else
		echo -e "\e[1;37m- NOT present\e[0m"
	fi
fi
echo "--------------------------------------------------"
echo -e "\e[1;35m- PCI DEVICE\e[0m"
echo "--------------------------------------------------"
if [ -z $PCI ];
then
  echo -e "\e[1;31m! lspci not installed\e[0m"
else
  $PCI -vm | grep Device: | grep -v 0[0-9] | grep -v "Device "
fi
echo "--------------------------------------------------"
echo -e "\e[1;35m- USB DEVICE\e[0m"
echo "--------------------------------------------------"
lsusb | cut -d" " -f7- | sort
echo "" 
usb-devices | grep Product | sort
}
authentification(){
echo "=================================================="
echo -e "             \e[1;36m*** AUTHENTIFICATION ***\e[0m"
echo "=================================================="
echo -e "\e[1;35m- SSSD Configuration\e[0m"
echo "--------------------------------------------------"
if [ -f /etc/sssd/sssd.conf ]; then
	egrep -i "id_provider|auth_provider|ldap_uri|krb5_server" /etc/sssd/sssd.conf
else
	echo -e "\e[1;37m- NOT present\e[0m"
fi
echo "--------------------------------------------------"
echo -e "\e[1;35m- KERBEROS Configuration\e[0m"
echo "--------------------------------------------------"
if [ -f /etc/krb5.conf ]; then
	grep -E "default_realm|kdc" /etc/krb5.conf
else
	echo -e "\e[1;37m- NOT present\e[0m"
fi
echo "--------------------------------------------------"
echo -e "\e[1;35m- LDAP Configuration\e[0m"
echo "--------------------------------------------------"
if [ -f /etc/sssd/sssd.conf ]; then
	egrep -i "id_provider|auth_provider|ldap_uri" /etc/sssd/sssd.conf
else
	echo -e "\e[1;37m- NOT present\e[0m"
fi
echo "--------------------------------------------------"
echo -e "\e[1;35m- NSSWITCH (identity source)\e[0m"
echo "--------------------------------------------------"
grep -E "passwd|group|shadow" /etc/nsswitch.conf 2>/dev/null
echo "--------------------------------------------------"
echo -e "\e[1;35m- SSH (effective configuration)\e[0m"
echo "--------------------------------------------------"
sshd -T 2>/dev/null | egrep -i "pam|kbd|permitrootlogin"
echo "--------------------------------------------------"
echo -e "\e[1;35m- PASSWORD POLICY\e[0m"
echo "--------------------------------------------------"
cat /etc/login.defs | grep -E "PASS_MAX_DAYS|PASS_MIN_DAYS|PASS_WARN_AGE" | grep -v "^#"
echo "--------------------------------------------------"
echo -e "\e[1;35m- CHECK (authorized keys)\e[0m"
echo "--------------------------------------------------"
AK1=$(find /home -name authorized keys 2>/dev/null | wc -l)
AK2=$(find /root -name authorized keys 2>/dev/null | wc -l)
if [ "$AK1" -eq "1" ] || [ "$AK2" -eq "1" ]; then
	find /home -name authorized keys 2>/dev/null
	find /root -name authorized keys 2>/dev/null
else
	echo -e "\e[1;37m- NOT present\e[0m"
fi
}
users(){
echo "=================================================="
echo -e "              \e[1;36m*** USERS AUDIT ***\e[0m"
echo "=================================================="
echo -e "\e[1;35m- USERS LDAP\e[0m"
echo "--------------------------------------------------"
getent passwd |awk -F : '$3 >= 1000 && $3 < 65534' | sort
echo "--------------------------------------------------"
echo -e "\e[1;35m- USERS all\e[0m"
echo "--------------------------------------------------"
awk -F: '($3<1000){print $1}' /etc/passwd | sort | grep -v "^_"
echo "--------------------------------------------------"
echo -e "\e[1;35m- USERS (with bash)\e[0m"
echo "--------------------------------------------------"
egrep 'bash' /etc/passwd | cut -d: -f1 | sort
echo "--------------------------------------------------"
echo -e "\e[1;35m- USERS (with home folder)\e[0m"
echo "--------------------------------------------------"
grep '/home/' /etc/passwd | cut -d: -f1 | sort
echo "--------------------------------------------------"
echo -e "\e[1;35m- USERS (with password)\e[0m"
echo "--------------------------------------------------"
awk -F: '$2 != "*" && $2 !~ /^!/ {print $1}' /etc/shadow | sort
}
cronusr(){
echo "=================================================="
echo -e "              \e[1;36m*** CRON AUDIT ***\e[0m"
echo "=================================================="
awk '$1 ~ /([0-9]+|\*)/{print $0}' /etc/crontab | sed 's/&&/AND/g;s/||/OR/g' | nl | sed 's/^[ \t]*//'
echo "--------------------------------------------------"
echo -e "\e[1;35m- CRONTAB users\e[0m"
echo "--------------------------------------------------"
for i in $(awk -F: '{print $1}' /etc/passwd | sort | grep -v "^_"); do
crontab -u $i -l | awk '$1 ~ /([0-9]+|\*)/{print $0}' | sed 's/&&/AND/g;s/||/OR/g' | nl
done
}
software(){
echo "=================================================="
echo -e "              \e[1;36m*** SW AUDIT ***\e[0m"
echo "=================================================="
rm -rf $SW
if [ -z $RPM ];
then
  echo -e "\e[1;31m! yum manager [RPM] not installed\e[0m"
else
  $RPM -qa | sort >> $SW
  echo -e "\e[1;32m- Exporting SW[RPM] to => [$SW]\e[0m"
fi
if [ -z $DPKG ];
then
  echo -e "\e[1;31m! apt-get manager [DEB] not installed\e[0m"
else
  $DPKG -l | awk '{print $2}' | sort >> $SW
  echo -e "\e[1;32m- Exporting SW[DEB] to => [$SW]\e[0m"
fi
echo "=================================================="
echo -e "              \e[1;36m*** LOG AUDIT ***\e[0m"
echo "=================================================="
echo -e "\e[1;32m- Exporting LOGs to => [$LOG]\e[0m"
echo "=================================================="
find /var/log/ -type f | grep -Ev "(\.gz$|\.zip$|\.tar$|packages\/|scripts\/)" | sort > $LOG
echo -e "              \e[1;36m*** FINAL REPORT ***\e[0m"
echo "=================================================="
echo -e "\e[1;32m- Exporting REPORT to => [$REP]\e[0m"
echo "=================================================="
}

#----------------------------- CORE-CODE -------------------------------#
Color_Off='\033[0m'
clear
echo -e "\e[1;32m***** Started analyzing host [`hostname -s`] *****\e[0m"
system 
hardware      
authentification
users                    
cronusr
software