lynis/include/osdetection

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#!/bin/sh
#################################################################################
#
# Lynis
# ------------------
#
# Copyright 2007-2013, Michael Boelen
# Copyright 2013-2016, CISOfy
#
# Website : https://cisofy.com
# Blog : http://linux-audit.com
# GitHub : https://github.com/CISOfy/lynis
#
# Lynis comes with ABSOLUTELY NO WARRANTY. This is free software, and you are
# welcome to redistribute it under the terms of the GNU General Public License.
# See LICENSE file for usage of this software.
#
#################################################################################
#
# Operating System detection
#
#################################################################################
#
# Check operating system
case $(uname) in
# IBM AIX
AIX)
OS="AIX"
OS_NAME="AIX"
OS_VERSION=$(oslevel)
OS_FULLNAME="AIX ${OS_VERSION}"
CPU=$(uname -p)
HARDWARE=$(uname -M)
FIND_BINARIES="whereis -b"
SYSCTL_READKEY=""
;;
# Mac OS X
Darwin)
OS="MacOS"
if [ -x /usr/bin/sw_vers ]; then
OS_NAME=$(/usr/bin/sw_vers -productName)
OS_VERSION=$(/usr/bin/sw_vers -productVersion)
OS_FULLNAME="${OS_NAME} ${OS_VERSION}"
else
# Fall back to pretty safe name
OS_NAME="Mac OS X"
OS_FULLNAME=$(uname -s -r)
OS_VERSION=$(uname -r)
fi
HARDWARE=$(uname -m)
HOMEDIRS="/Users"
FIND_BINARIES="whereis"
OS_KERNELVERSION=$(uname -r)
SYSCTL_READKEY=""
;;
# DragonFly BSD
DragonFly)
OS="DragonFly"
OS_NAME="DragonFly BSD"
OS_FULLNAME=$(uname -s -r)
OS_VERSION=$(uname -r)
HARDWARE=$(uname -m)
HOMEDIRS="/home /root"
FIND_BINARIES="whereis -q -a -b"
OS_KERNELVERSION=$(uname -i)
SYSCTL_READKEY="sysctl -n"
;;
# FreeBSD
FreeBSD)
OS="FreeBSD"
OS_NAME="FreeBSD"
OS_FULLNAME=$(uname -s -r)
OS_VERSION=$(uname -r)
HARDWARE=$(uname -m)
HOMEDIRS="/home /root"
FIND_BINARIES="whereis -q -a -b"
OS_KERNELVERSION=$(uname -i)
SYSCTL_READKEY="sysctl -n"
# TrueOS
if [ -f /etc/defaults/trueos ]; then
OS_NAME="TrueOS"
LogText "Result: found TrueOS file, system is completely based on FreeBSD though. Only adjusting OS name."
fi
;;
# HP-UX
HP-UX)
OS="HP-UX"
OS_NAME="HP-UX"
OS_FULLNAME=$(uname -s -r)
OS_VERSION=$(uname -r)
HARDWARE=$(uname -m)
FIND_BINARIES="whereis -b"
SYSCTL_READKEY=""
;;
# Linux
Linux)
OS="Linux"
OS_NAME="Linux"
OS_FULLNAME=""
OS_VERSION=$(uname -r)
LINUX_VERSION=""
HARDWARE=$(uname -m)
HOMEDIRS="/home"
FIND_BINARIES="whereis -b"
OS_KERNELVERSION_FULL=$(uname -r)
OS_KERNELVERSION=$(echo ${OS_KERNELVERSION_FULL} | sed 's/-.*//')
if [ -e /dev/grsec ]; then GRSEC_FOUND=1; fi
# Amazon
if [ -e "/etc/system-release" ]; then
FIND=$(grep "Amazon" /etc/system-release)
if [ ! "${FIND}" = "" ]; then
OS_REDHAT_OR_CLONE=1
OS_FULLNAME=$(grep "^Amazon" /etc/system-release)
OS_VERSION=$(grep "^Amazon" /etc/system-release | awk '{ if ($4=="release") { print $5 } }')
LINUX_VERSION="Amazon"
fi
fi
# Arch Linux
if [ -e "/etc/arch-release" ]; then
OS_FULLNAME="Arch Linux"
OS_VERSION="Unknown"
LINUX_VERSION="Arch Linux"
fi
# Chakra Linux
if [ -e "/etc/chakra-release" ]; then
OS_FULLNAME=$(grep "^Chakra" /etc/chakra-release)
OS_VERSION=$(awk '/^Chakra/ { if ($3=="release") { print $4 }}' /etc/chakra-release)
LINUX_VERSION="Chakra Linux"
fi
# Cobalt
if [ -e "/etc/cobalt-release" ]; then OS_FULLNAME=$(cat /etc/cobalt-release); fi
# CPUBuilders Linux
if [ -e "/etc/cpub-release" ]; then OS_FULLNAME=$(cat /etc/cpub-release); fi
# Debian/Ubuntu (***) - Set first to Debian
if [ -e "/etc/debian_version" ]; then
OS_VERSION=$(cat /etc/debian_version)
OS_FULLNAME="Debian ${OS_VERSION}"
LINUX_VERSION="Debian"
fi
# /etc/lsb-release does not exist on Debian
if [ -e "/etc/debian_version" -a -e /etc/lsb-release ]; then
OS_VERSION=$(cat /etc/debian_version)
FIND=$(grep "^DISTRIB_ID=" /etc/lsb-release | cut -d '=' -f2 | sed 's/"//g')
if [ "${FIND}" = "Ubuntu" ]; then
OS_VERSION=$(grep "^DISTRIB_RELEASE=" /etc/lsb-release | cut -d '=' -f2)
OS_FULLNAME="Ubuntu ${OS_VERSION}"
LINUX_VERSION="Ubuntu"
elif [ "${FIND}" = "elementary OS" ]; then
LINUX_VERSION="elementary OS"
OS_VERSION=$(grep "^DISTRIB_RELEASE=" /etc/lsb-release | cut -d '=' -f2)
OS_FULLNAME=$(grep "^DISTRIB_DESCRIPTION=" /etc/lsb-release | cut -d '=' -f2 | sed 's/"//g')
else
# Catch all, in case it's unclear what specific release this is.
OS_FULLNAME="Debian ${OS_VERSION}"
LINUX_VERSION="Debian"
fi
# Ubuntu test (optional) $(grep "[Uu]buntu" /proc/version)
fi
# E-smith
if [ -e "/etc/e-smith-release" ]; then OS_FULLNAME=$(cat /etc/e-smith-release); fi
# Gentoo
if [ -e "/etc/gentoo-release" ]; then LINUX_VERSION="Gentoo"; OS_FULLNAME=$(cat /etc/gentoo-release); fi
# Red Hat and others
if [ -e "/etc/redhat-release" ]; then
OS_REDHAT_OR_CLONE=1
# CentOS
FIND=$(grep "CentOS" /etc/redhat-release)
if [ ! "${FIND}" = "" ]; then
OS_FULLNAME=$(grep "CentOS" /etc/redhat-release)
LINUX_VERSION="CentOS"
OS_VERSION="${OS_FULLNAME}"
fi
# ClearOS
FIND=$(grep "ClearOS" /etc/redhat-release)
if [ ! "${FIND}" = "" ]; then
OS_FULLNAME=$(grep "ClearOS" /etc/redhat-release)
LINUX_VERSION="ClearOS"
OS_VERSION="${OS_FULLNAME}"
fi
# Fedora
FIND=$(grep "Fedora" /etc/redhat-release)
if [ ! "${FIND}" = "" ]; then
OS_FULLNAME=$(grep "Fedora" /etc/redhat-release)
OS_VERSION="${OS_FULLNAME}"
LINUX_VERSION="Fedora"
fi
# Mageia (has also /etc/megaia-release)
FIND=$(grep "Mageia" /etc/redhat-release)
if [ ! "${FIND}" = "" ]; then
OS_FULLNAME=$(grep "^Mageia" /etc/redhat-release)
OS_VERSION=$(grep "^Mageia" /etc/redhat-release | awk '{ if ($2=="release") { print $3 } }')
LINUX_VERSION="Mageia"
fi
# Oracle Enterprise Linux
FIND=$(grep "Enterprise Linux Enterprise Linux Server" /etc/redhat-release)
if [ ! "${FIND}" = "" ]; then
LINUX_VERSION="Oracle Enterprise Linux"
OS_FULLNAME=$(grep "Enterprise Linux" /etc/redhat-release)
OS_VERSION="${OS_FULLNAME}"
fi
# Oracle Enterprise Linux
if [ -e /etc/oracle-release ]; then
FIND=$(grep "Oracle Linux Server" /etc/oracle-release)
if [ ! "${FIND}" = "" ]; then
LINUX_VERSION="Oracle Enterprise Linux"
OS_FULLNAME=$(grep "Oracle Linux" /etc/oracle-release)
OS_VERSION="${OS_FULLNAME}"
fi
fi
# Oracle VM Server
if [ -e /etc/ovs-release ]; then
FIND=$(grep "Oracle VM" /etc/ovs-release)
if [ ! "${FIND}" = "" ]; then
LINUX_VERSION="Oracle VM Server"
OS_FULLNAME=$(grep "Oracle VM" /etc/ovs-release)
OS_VERSION="${OS_FULLNAME}"
fi
fi
# Red Hat
FIND=$(grep "Red Hat" /etc/redhat-release)
if [ ! "${FIND}" = "" ]; then
OS_FULLNAME=$(grep "Red Hat" /etc/redhat-release)
OS_VERSION="${OS_FULLNAME}"
LINUX_VERSION="Red Hat"
fi
# Scientific
FIND=$(grep "Scientific" /etc/redhat-release)
if [ ! "${FIND}" = "" ]; then
OS_FULLNAME=$(grep "^Scientific" /etc/redhat-release)
OS_VERSION=$(grep "^Scientific" /etc/redhat-release | awk '{ if ($3=="release") { print $4 } }')
LINUX_VERSION="Scientific"
fi
fi
# PCLinuxOS
if [ -f /etc/pclinuxos-release ]; then
FIND=$(grep "^PCLinuxOS" /etc/pclinuxos-release)
if [ ! "${FIND}" = "" ]; then
OS_FULLNAME="PCLinuxOS Linux"
LINUX_VERSION="PCLinuxOS"
OS_VERSION=$(grep "^PCLinuxOS" /etc/pclinuxos-release | awk '{ if ($2=="release") { print $3 } }')
fi
fi
# Sabayon Linux
if [ -f /etc/sabayon-edition ]; then
FIND=$(grep "Sabayon Linux" /etc/sabayon-edition)
if [ ! "${FIND}" = "" ]; then
OS_FULLNAME="Sabayon Linux"
LINUX_VERSION="Sabayon"
OS_VERSION=$(awk '{ print $3 }' /etc/sabayon-edition)
fi
fi
if [ -f /etc/SLOX-release ]; then
OS_FULLNAME=$(grep "SuSE Linux" /etc/SLOX-release)
LINUX_VERSION="SuSE"
fi
# Slackware
if [ -f /etc/slackware-version ]; then
LINUX_VERSION="Slackware"
OS_VERSION=$(grep "^Slackware" /etc/slackware-version | awk '{ if ($1=="Slackware") { print $2 } }')
OS_FULLNAME="Slackware Linux ${OS_VERSION}"
fi
# SuSE
if [ -e "/etc/SuSE-release" ]; then
OS_VERSION=$(head -n 1 /etc/SuSE-release)
LINUX_VERSION="SuSE"
fi
# Turbo Linux
if [ -e "/etc/turbolinux-release" ]; then OS_FULLNAME=$(cat /etc/turbolinux-release); fi
# YellowDog
if [ -e "/etc/yellowdog-release" ]; then OS_FULLNAME=$(cat /etc/yellowdog-release); fi
# VMware
if [ -e "/etc/vmware-release" ]; then
OS_FULLNAME=$(cat /etc/vmware-release)
OS_VERSION=$(uname -r)
IS_VMWARE_ESXI=$(vmware -vl | grep VMware ESXi)
if [ ! "${IS_VMWARE_ESXI}" = "" ]; then
OS_FULLNAME="VMware ESXi ${OS_VERSION}"
fi
fi
# ===================================================================
# Set OS name to the discovered Linux version
if [ ! "${LINUX_VERSION}" = "" -a "${OS_NAME}" = "Linux" ]; then
OS_NAME="${LINUX_VERSION}"
fi
# If Linux version (full name) is unknown, use uname value
if [ "${OS_FULLNAME}" = "" ]; then OS_FULLNAME=$(uname -s -r); fi
SYSCTL_READKEY="sysctl -n"
;;
# NetBSD
NetBSD)
OS="NetBSD"
OS_NAME="NetBSD"
OS_FULLNAME=$(uname -s -r)
OS_KERNELVERSION=$(uname -v)
OS_VERSION=$(uname -r)
HARDWARE=$(uname -m)
FIND_BINARIES="whereis"
SYSCTL_READKEY=""
;;
# OpenBSD
OpenBSD)
OS="OpenBSD"
OS_NAME="OpenBSD"
OS_FULLNAME=$(uname -s -r)
OS_KERNELVERSION=$(uname -v)
OS_VERSION=$(uname -r)
HARDWARE=$(uname -m)
FIND_BINARIES="whereis"
SYSCTL_READKEY=""
;;
# Solaris / OpenSolaris
SunOS)
OS="Solaris"
OS_NAME="Sun Solaris"
OS_FULLNAME=$(uname -s -r)
OS_VERSION=$(uname -r)
HARDWARE=$(uname -m)
if [ -x /usr/bin/isainfo ]; then
# Returns 32, 64
OS_MODE=$(/usr/bin/isainfo -b)
fi
SYSCTL_READKEY=""
;;
# VMware products
VMkernel)
OS="VMware"
OS_FULLNAME=""
OS_VERSION=""
HARDWARE=$(uname -m)
if [ -e "/etc/vmware-release" ]; then
OS_FULLNAME=$(cat /etc/vmware-release)
OS_VERSION=$(uname -r)
fi
HAS_VMWARE_UTIL=$(which vmware 2> /dev/null)
if [ ! "${HAS_VMWARE_UTIL}" = "" ]; then
IS_VMWARE_ESXI=$(vmware -vl | grep VMware ESXi)
if [ ! "${IS_VMWARE_ESXI}" = "" ]; then
OS_NAME="VMware ESXi"
OS_FULLNAME="VMware ESXi ${OS_VERSION}"
fi
fi
;;
# Unknown or unsupported systems
*)
echo "[ ${WARNING}WARNING${NORMAL} ]"
echo "${WARNING}Error${NORMAL}: ${WHITE}Unknown OS found. No support available yet for this OS or platform...${NORMAL}"
echo "Please consult the README/documentation for more information."
exit 1
;;
esac
# Set correct echo binary and parameters after detecting operating system
ECHONB=""
case ${OS} in
"AIX") ECHOCMD="echo" ;;
"DragonFly"|"FreeBSD"|"NetBSD") ECHOCMD="echo -e"; ECHONB="echo -n" ;;
"MacOS") ECHOCMD="echo"; ECHONB="echo -n" ;;
"Solaris") ECHOCMD="echo" ;;
"Linux")
# Check if dash is used (Debian/Ubuntu)
DEFAULT_SHELL=$(ls -l /bin/sh | awk -F'>' '{print $2}')
case ${DEFAULT_SHELL} in
" dash") ECHOCMD="/bin/echo -e" ;;
*) ECHOCMD="echo -e" ;;
esac
;;
*) ECHOCMD="echo -e" ;;
esac
# Check if we have full featured commands, or are using BusyBox as a shell
if [ -x /bin/busybox ]; then
if [ -L /bin/ps ]; then
ShowSymlinkPath /bin/ps
if [ "${SYMLINK}" = "/bin/busybox" ]; then
SHELL_IS_BUSYBOX=1
fi
fi
fi
#================================================================================
# Lynis - Security Auditing and System Hardening for Linux and UNIX - https://cisofy.com