mirror of https://github.com/CISOfy/lynis.git
537 lines
21 KiB
Bash
537 lines
21 KiB
Bash
#!/bin/sh
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#################################################################################
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#
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# Lynis
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# ------------------
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#
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# Copyright 2007-2013, Michael Boelen
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# Copyright 2007-2019, CISOfy
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#
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# Website : https://cisofy.com
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# Blog : http://linux-audit.com
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# GitHub : https://github.com/CISOfy/lynis
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#
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# Lynis comes with ABSOLUTELY NO WARRANTY. This is free software, and you are
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# welcome to redistribute it under the terms of the GNU General Public License.
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# See LICENSE file for usage of this software.
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#
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#################################################################################
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#
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# Operating System detection
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#
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#################################################################################
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#
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# Check operating system
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case $(uname) in
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# IBM AIX
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AIX)
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OS="AIX"
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OS_NAME="AIX"
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OS_VERSION=$(oslevel)
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OS_FULLNAME="AIX ${OS_VERSION}"
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CPU=$(uname -p)
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HARDWARE=$(uname -M)
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FIND_BINARIES="whereis -b"
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SYSCTL_READKEY=""
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;;
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# Mac OS X and macOS
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Darwin)
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OS="macOS"
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if [ -x /usr/bin/sw_vers ]; then
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OS_NAME=$(/usr/bin/sw_vers -productName)
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OS_VERSION=$(/usr/bin/sw_vers -productVersion)
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OS_VERSION_NAME="unknown"
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OS_FULLNAME="macOS (unknown version)"
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case ${OS_VERSION} in
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10.0 | 10.0.[0-9]*) OS_FULLNAME="Mac OS X 10.0 (Cheetah)" ;;
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10.1 | 10.1.[0-9]*) OS_FULLNAME="Mac OS X 10.1 (Puma)" ;;
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10.2 | 10.2.[0-9]*) OS_FULLNAME="Mac OS X 10.2 (Jaguar)" ;;
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10.3 | 10.3.[0-9]*) OS_FULLNAME="Mac OS X 10.3 (Panther)" ;;
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10.4 | 10.4.[0-9]*) OS_FULLNAME="Mac OS X 10.4 (Tiger)" ;;
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10.5 | 10.5.[0-9]*) OS_FULLNAME="Mac OS X 10.5 (Leopard)" ;;
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10.6 | 10.6.[0-9]*) OS_FULLNAME="Mac OS X 10.6 (Snow Leopard)" ;;
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10.7 | 10.7.[0-9]*) OS_FULLNAME="Mac OS X 10.7 (Lion)" ;;
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10.8 | 10.8.[0-9]*) OS_FULLNAME="Mac OS X 10.8 (Mountain Lion)" ;;
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10.9 | 10.9.[0-9]*) OS_FULLNAME="Mac OS X 10.9 (Mavericks)" ;;
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10.10 | 10.10.[0-9]*) OS_FULLNAME="Mac OS X 10.10 (Yosemite)" ;;
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10.11 | 10.11.[0-9]*) OS_FULLNAME="Mac OS X 10.11 (El Capitan)" ;;
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10.12 | 10.12.[0-9]*) OS_FULLNAME="macOS Sierra (${OS_VERSION})" ;;
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10.13 | 10.13.[0-9]*) OS_FULLNAME="macOS High Sierra (${OS_VERSION})" ;;
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10.14 | 10.14.[0-9]*) OS_FULLNAME="macOS Mojave (${OS_VERSION})" ;;
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*) echo "Unknown macOS version. Do you know what version it is? Create an issue at ${PROGRAM_SOURCE}" ;;
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esac
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else
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# Fall back to a fairly safe name
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OS_NAME="macOS"
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# uname -s -r shows Darwin 16.1.0
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OS_FULLNAME=$(uname -s -r)
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# shows 16.1.0 for Darwin's version, not macOS's
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OS_VERSION=$(uname -r)
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fi
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HARDWARE=$(uname -m)
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HOMEDIRS="/Users"
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FIND_BINARIES="whereis"
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OS_KERNELVERSION=$(uname -r)
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SYSCTL_READKEY=""
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;;
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# DragonFly BSD
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DragonFly)
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OS="DragonFly"
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OS_NAME="DragonFly BSD"
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OS_FULLNAME=$(uname -s -r)
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OS_VERSION=$(uname -r)
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HARDWARE=$(uname -m)
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HOMEDIRS="/home /root"
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FIND_BINARIES="whereis -q -a -b"
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OS_KERNELVERSION=$(uname -i)
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SYSCTL_READKEY="sysctl -n"
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;;
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# FreeBSD
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FreeBSD)
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OS="FreeBSD"
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OS_NAME="FreeBSD"
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OS_FULLNAME=$(uname -s -r)
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OS_VERSION=$(uname -r)
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HARDWARE=$(uname -m)
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HOMEDIRS="/home /root"
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FIND_BINARIES="whereis -q -a -b"
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OS_KERNELVERSION=$(uname -i)
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SYSCTL_READKEY="sysctl -n"
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# TrueOS
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if [ -f /etc/defaults/trueos ]; then
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OS_NAME="TrueOS"
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LogText "Result: found TrueOS file, system is completely based on FreeBSD though. Only adjusting OS name."
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fi
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;;
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# HP-UX
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HP-UX)
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OS="HP-UX"
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OS_NAME="HP-UX"
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OS_FULLNAME=$(uname -s -r)
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OS_VERSION=$(uname -r)
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HARDWARE=$(uname -m)
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FIND_BINARIES="whereis -b"
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SYSCTL_READKEY=""
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LOGDIR="/var/adm/syslog"
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;;
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# Linux
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Linux)
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OS="Linux"
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OS_NAME="Linux"
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OS_FULLNAME=""
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OS_VERSION=$(uname -r)
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LINUX_VERSION=""
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HARDWARE=$(uname -m)
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HOMEDIRS="/home"
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FIND_BINARIES="whereis -b"
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OS_KERNELVERSION_FULL=$(uname -r)
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OS_KERNELVERSION=$(echo ${OS_KERNELVERSION_FULL} | sed 's/-.*//')
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if [ -e /dev/grsec ]; then GRSEC_FOUND=1; fi
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# Generic
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if [ -e /etc/os-release ]; then
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OS_ID=$(grep "^ID=" /etc/os-release | awk -F= '{print $2}' | tr -d '"')
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if [ ! -z "${OS_ID}" ]; then
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case ${OS_ID} in
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"arch")
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LINUX_VERSION="Arch Linux"
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OS_FULLNAME="Arch Linux"
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OS_VERSION="Rolling release"
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;;
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"coreos")
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LINUX_VERSION="CoreOS"
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OS_FULLNAME=$(grep "^PRETTY_NAME=" /etc/os-release | awk -F= '{print $2}' | tr -d '"')
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OS_VERSION=$(grep "^VERSION_ID=" /etc/os-release | awk -F= '{print $2}' | tr -d '"')
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OS_NAME="CoreOS Linux"
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;;
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"manjaro")
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LINUX_VERSION="Manjaro Linux"
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OS_FULLNAME="Manjaro Linux"
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OS_VERSION="Rolling release"
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;;
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"ubuntu")
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LINUX_VERSION="Ubuntu"
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OS_FULLNAME=$(grep "^PRETTY_NAME=" /etc/os-release | awk -F= '{print $2}' | tr -d '"')
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OS_VERSION=$(grep "^VERSION_ID=" /etc/os-release | awk -F= '{print $2}' | tr -d '"')
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OS_NAME="Ubuntu Linux"
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;;
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"opensuse-tumbleweed")
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LINUX_VERSION="openSUSE Tumbleweed"
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OS_FULLNAME=$(grep "^PRETTY_NAME=" /etc/os-release | awk -F= '{print $2}' | tr -d '"')
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# It's rolling release but has a snapshot version (the date of the snapshot)
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OS_VERSION=$(grep "^VERSION_ID=" /etc/os-release | awk -F= '{print $2}' | tr -d '"')
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OS_NAME="openSUSE"
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;;
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"opensuse-leap")
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LINUX_VERSION="openSUSE Leap"
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OS_FULLNAME=$(grep "^PRETTY_NAME=" /etc/os-release | awk -F= '{print $2}' | tr -d '"')
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OS_VERSION=$(grep "^VERSION_ID=" /etc/os-release | awk -F= '{print $2}' | tr -d '"')
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OS_NAME="openSUSE"
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;;
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*)
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Debug "Unknown OS found in /etc/os-release. Do you know what it is? Create an issue at ${PROGRAM_SOURCE}"
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;;
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esac
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fi
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fi
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# Amazon
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if [ -e "/etc/system-release" ]; then
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FIND=$(grep "Amazon" /etc/system-release)
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if [ ! "${FIND}" = "" ]; then
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OS_REDHAT_OR_CLONE=1
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OS_FULLNAME=$(grep "^Amazon" /etc/system-release)
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OS_VERSION=$(grep "^Amazon" /etc/system-release | awk '{ if ($4=="release") { print $5 } }')
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LINUX_VERSION="Amazon"
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fi
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fi
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# Arch Linux
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if [ -z "${OS_FULLNAME}" -a -e "/etc/arch-release" ]; then
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OS_FULLNAME="Arch Linux"
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OS_VERSION="Unknown"
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LINUX_VERSION="Arch Linux"
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fi
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# Chakra Linux
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if [ -e "/etc/chakra-release" ]; then
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OS_FULLNAME=$(grep "^Chakra" /etc/chakra-release)
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OS_VERSION=$(awk '/^Chakra/ { if ($3=="release") { print $4 }}' /etc/chakra-release)
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LINUX_VERSION="Chakra Linux"
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fi
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# Cobalt
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if [ -e "/etc/cobalt-release" ]; then OS_FULLNAME=$(cat /etc/cobalt-release); fi
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# CPUBuilders Linux
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if [ -e "/etc/cpub-release" ]; then OS_FULLNAME=$(cat /etc/cpub-release); fi
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# Debian/Ubuntu (***) - Set first to Debian
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if [ -e "/etc/debian_version" ]; then
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OS_VERSION=$(cat /etc/debian_version)
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OS_FULLNAME="Debian ${OS_VERSION}"
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LINUX_VERSION="Debian"
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fi
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# /etc/lsb-release does not exist on Debian
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if [ -e "/etc/debian_version" -a -e /etc/lsb-release ]; then
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OS_VERSION=$(cat /etc/debian_version)
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FIND=$(grep "^DISTRIB_ID=" /etc/lsb-release | cut -d '=' -f2 | sed 's/"//g')
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if [ "${FIND}" = "Ubuntu" ]; then
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OS_VERSION=$(grep "^DISTRIB_RELEASE=" /etc/lsb-release | cut -d '=' -f2)
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OS_FULLNAME="Ubuntu ${OS_VERSION}"
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LINUX_VERSION="Ubuntu"
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elif [ "${FIND}" = "elementary OS" ]; then
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LINUX_VERSION="elementary OS"
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OS_VERSION=$(grep "^DISTRIB_RELEASE=" /etc/lsb-release | cut -d '=' -f2)
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OS_FULLNAME=$(grep "^DISTRIB_DESCRIPTION=" /etc/lsb-release | cut -d '=' -f2 | sed 's/"//g')
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else
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# Catch all, in case it's unclear what specific release this is.
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OS_FULLNAME="Debian ${OS_VERSION}"
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LINUX_VERSION="Debian"
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fi
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# Ubuntu test (optional) $(grep "[Uu]buntu" /proc/version)
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fi
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# Override for Linux Mint, as that is initially detected as Debian or Ubuntu
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if [ -x /usr/bin/lsb_release ]; then
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FIND=$(lsb_release --id | awk -F: '{ print $2 }' | awk '{ print $1 }')
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if [ "${FIND}" = "LinuxMint" ]; then
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LINUX_VERSION="Linux Mint"
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OS_VERSION=$(lsb_release --release | awk '{ print $2 }')
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OS_FULLNAME="Linux Mint ${OS_VERSION}"
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fi
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fi
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# E-smith
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if [ -e "/etc/e-smith-release" ]; then OS_FULLNAME=$(cat /etc/e-smith-release); fi
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# Gentoo
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if [ -e "/etc/gentoo-release" ]; then LINUX_VERSION="Gentoo"; OS_FULLNAME=$(cat /etc/gentoo-release); fi
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# Red Hat and others
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if [ -e "/etc/redhat-release" ]; then
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OS_REDHAT_OR_CLONE=1
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# CentOS
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FIND=$(grep "CentOS" /etc/redhat-release)
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if [ ! "${FIND}" = "" ]; then
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OS_FULLNAME=$(grep "CentOS" /etc/redhat-release)
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LINUX_VERSION="CentOS"
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OS_VERSION="${OS_FULLNAME}"
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fi
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# ClearOS
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FIND=$(grep "ClearOS" /etc/redhat-release)
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if [ ! "${FIND}" = "" ]; then
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OS_FULLNAME=$(grep "ClearOS" /etc/redhat-release)
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LINUX_VERSION="ClearOS"
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OS_VERSION="${OS_FULLNAME}"
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fi
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# Fedora
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FIND=$(grep "Fedora" /etc/redhat-release)
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if [ ! "${FIND}" = "" ]; then
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OS_FULLNAME=$(grep "Fedora" /etc/redhat-release)
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OS_VERSION="${OS_FULLNAME}"
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LINUX_VERSION="Fedora"
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fi
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# Mageia (has also /etc/megaia-release)
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FIND=$(grep "Mageia" /etc/redhat-release)
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if [ ! "${FIND}" = "" ]; then
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OS_FULLNAME=$(grep "^Mageia" /etc/redhat-release)
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OS_VERSION=$(grep "^Mageia" /etc/redhat-release | awk '{ if ($2=="release") { print $3 } }')
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LINUX_VERSION="Mageia"
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fi
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# Oracle Enterprise Linux
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FIND=$(grep "Enterprise Linux Enterprise Linux Server" /etc/redhat-release)
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if [ ! "${FIND}" = "" ]; then
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LINUX_VERSION="Oracle Enterprise Linux"
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OS_FULLNAME=$(grep "Enterprise Linux" /etc/redhat-release)
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OS_VERSION="${OS_FULLNAME}"
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fi
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# Oracle Enterprise Linux
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if [ -e /etc/oracle-release ]; then
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FIND=$(grep "Oracle Linux Server" /etc/oracle-release)
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if [ ! "${FIND}" = "" ]; then
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LINUX_VERSION="Oracle Enterprise Linux"
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OS_FULLNAME=$(grep "Oracle Linux" /etc/oracle-release)
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OS_VERSION="${OS_FULLNAME}"
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fi
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fi
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# Oracle VM Server
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if [ -e /etc/ovs-release ]; then
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FIND=$(grep "Oracle VM" /etc/ovs-release)
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if [ ! "${FIND}" = "" ]; then
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LINUX_VERSION="Oracle VM Server"
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OS_FULLNAME=$(grep "Oracle VM" /etc/ovs-release)
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OS_VERSION="${OS_FULLNAME}"
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fi
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fi
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# Scientific
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FIND=$(grep "Scientific" /etc/redhat-release)
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if [ ! "${FIND}" = "" ]; then
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OS_FULLNAME=$(grep "^Scientific" /etc/redhat-release)
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OS_VERSION=$(grep "^Scientific" /etc/redhat-release | awk '{ if ($3=="release") { print $4 } }')
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LINUX_VERSION="Scientific"
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fi
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if [ -z "${LINUX_VERSION}" ]; then
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# Red Hat
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FIND=$(grep "Red Hat" /etc/redhat-release)
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if [ ! "${FIND}" = "" ]; then
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OS_FULLNAME=$(grep "Red Hat" /etc/redhat-release)
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OS_VERSION="${OS_FULLNAME}"
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LINUX_VERSION="Red Hat"
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fi
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fi
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fi
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# PCLinuxOS
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if [ -f /etc/pclinuxos-release ]; then
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FIND=$(grep "^PCLinuxOS" /etc/pclinuxos-release)
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if [ ! "${FIND}" = "" ]; then
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OS_FULLNAME="PCLinuxOS Linux"
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LINUX_VERSION="PCLinuxOS"
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OS_VERSION=$(grep "^PCLinuxOS" /etc/pclinuxos-release | awk '{ if ($2=="release") { print $3 } }')
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fi
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fi
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# Sabayon Linux
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if [ -f /etc/sabayon-edition ]; then
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FIND=$(grep "Sabayon Linux" /etc/sabayon-edition)
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if [ ! "${FIND}" = "" ]; then
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OS_FULLNAME="Sabayon Linux"
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LINUX_VERSION="Sabayon"
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OS_VERSION=$(awk '{ print $3 }' /etc/sabayon-edition)
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fi
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fi
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if [ -f /etc/SLOX-release ]; then
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OS_FULLNAME=$(grep "SuSE Linux" /etc/SLOX-release)
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LINUX_VERSION="SuSE"
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fi
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# Slackware
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if [ -f /etc/slackware-version ]; then
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LINUX_VERSION="Slackware"
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OS_VERSION=$(grep "^Slackware" /etc/slackware-version | awk '{ if ($1=="Slackware") { print $2 } }')
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OS_FULLNAME="Slackware Linux ${OS_VERSION}"
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fi
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# SuSE
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if [ -e "/etc/SuSE-release" ]; then
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OS_VERSION=$(head -n 1 /etc/SuSE-release)
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LINUX_VERSION="SuSE"
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fi
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# Turbo Linux
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if [ -e "/etc/turbolinux-release" ]; then OS_FULLNAME=$(cat /etc/turbolinux-release); fi
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# YellowDog
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if [ -e "/etc/yellowdog-release" ]; then OS_FULLNAME=$(cat /etc/yellowdog-release); fi
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# VMware
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if [ -e "/etc/vmware-release" ]; then
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OS_FULLNAME=$(cat /etc/vmware-release)
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OS_VERSION=$(uname -r)
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IS_VMWARE_ESXI=$(vmware -vl | grep VMware ESXi)
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if [ ! "${IS_VMWARE_ESXI}" = "" ]; then
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OS_FULLNAME="VMware ESXi ${OS_VERSION}"
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fi
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fi
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# ===================================================================
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# Set OS name to the discovered Linux version
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if [ ! "${LINUX_VERSION}" = "" -a "${OS_NAME}" = "Linux" ]; then
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OS_NAME="${LINUX_VERSION}"
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fi
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# If Linux version (full name) is unknown, use uname value
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if [ "${OS_FULLNAME}" = "" ]; then OS_FULLNAME=$(uname -s -r); fi
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SYSCTL_READKEY="sysctl -n"
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;;
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# NetBSD
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NetBSD)
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OS="NetBSD"
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OS_NAME="NetBSD"
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OS_FULLNAME=$(uname -s -r)
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OS_KERNELVERSION=$(uname -v)
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OS_VERSION=$(uname -r)
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HARDWARE=$(uname -m)
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FIND_BINARIES="whereis"
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SYSCTL_READKEY=""
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;;
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# OpenBSD
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OpenBSD)
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OS="OpenBSD"
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OS_NAME="OpenBSD"
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OS_FULLNAME=$(uname -s -r)
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OS_KERNELVERSION=$(uname -v)
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OS_VERSION=$(uname -r)
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HARDWARE=$(uname -m)
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FIND_BINARIES="whereis"
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SYSCTL_READKEY=""
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;;
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# Solaris / OpenSolaris
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SunOS)
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OS="Solaris"
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OS_NAME="Sun Solaris"
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OS_FULLNAME=$(uname -s -r)
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OS_VERSION=$(uname -r)
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HARDWARE=$(uname -m)
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if [ -x /usr/bin/isainfo ]; then
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# Returns 32, 64
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OS_MODE=$(/usr/bin/isainfo -b)
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fi
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SYSCTL_READKEY=""
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;;
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# VMware products
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VMkernel)
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OS="VMware"
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OS_FULLNAME=""
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OS_VERSION=""
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HARDWARE=$(uname -m)
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if [ -e "/etc/vmware-release" ]; then
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OS_FULLNAME=$(cat /etc/vmware-release)
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OS_VERSION=$(uname -r)
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fi
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HAS_VMWARE_UTIL=$(which vmware 2> /dev/null | grep -v "no [^ ]* in ")
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if [ ! "${HAS_VMWARE_UTIL}" = "" ]; then
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IS_VMWARE_ESXI=$(vmware -vl | grep VMware ESXi)
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if [ ! "${IS_VMWARE_ESXI}" = "" ]; then
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OS_NAME="VMware ESXi"
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OS_FULLNAME="VMware ESXi ${OS_VERSION}"
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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 ${OS} in
|
|
"AIX") ECHOCMD="echo"; ECHONB="printf" ;;
|
|
"DragonFly"|"FreeBSD"|"NetBSD") ECHOCMD="echo -e"; ECHONB="echo -n" ;;
|
|
"macOS" | "Mac OS X") ECHOCMD="echo"; ECHONB="/bin/echo -n" ;;
|
|
"Solaris") ECHOCMD="echo" ; test -f /usr/ucb/echo && ECHONB="/usr/ucb/echo -n" ;;
|
|
"Linux")
|
|
# Check if dash is used (Debian/Ubuntu)
|
|
DEFAULT_SHELL=$(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
|
|
|
|
# Specific checks for hardware
|
|
|
|
# Detect if we are using a QNAP NAS
|
|
if [ -d /share/CACHEDEV1_DATA/.qpkg ]; then
|
|
QNAP_DEVICE=1
|
|
fi
|
|
|
|
# Check if this OS is end-of-life
|
|
EOL=255
|
|
EOL_DATE=""
|
|
EOL_TIMESTAMP=0
|
|
if [ ! -z "${OS_VERSION}" ]; then
|
|
if [ -f "${DBDIR}/software-eol.db" ]; then
|
|
FIND="${OS_FULLNAME}"
|
|
EOL_TIMESTAMP=$(awk -v value="${FIND}" -F: '{if ($1=="os" && value ~ $2){print $4}}' ${DBDIR}/software-eol.db | head -n 1)
|
|
if [ ! -z "${EOL_TIMESTAMP}" ]; then
|
|
EOL_DATE=$(awk -v value="${FIND}" -F: '{if ($1=="os" && value ~ $2){print $3}}' ${DBDIR}/software-eol.db | head -n 1)
|
|
NOW=$(date "+%s")
|
|
if [ ! -z "${NOW}" ]; then
|
|
if [ ${NOW} -gt ${EOL_TIMESTAMP} ]; then
|
|
EOL=1
|
|
else
|
|
EOL=0
|
|
fi
|
|
fi
|
|
fi
|
|
fi
|
|
fi
|
|
|
|
|
|
#================================================================================
|
|
# Lynis - Security Auditing and System Hardening for Linux and UNIX - https://cisofy.com
|