1308 lines
53 KiB
Bash
Executable File
1308 lines
53 KiB
Bash
Executable File
#!/bin/bash
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# EvoCheck
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# Script to verify compliance of a Linux (Debian) server
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# powered by Evolix
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VERSION="23.03.01"
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readonly VERSION
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# base functions
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show_version() {
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cat <<END
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evocheck version ${VERSION} (Jessie)
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Copyright 2009-2022 Evolix <info@evolix.fr>,
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Romain Dessort <rdessort@evolix.fr>,
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Benoit Série <bserie@evolix.fr>,
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Gregory Colpart <reg@evolix.fr>,
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Jérémy Lecour <jlecour@evolix.fr>,
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Tristan Pilat <tpilat@evolix.fr>,
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Victor Laborie <vlaborie@evolix.fr>,
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Alexis Ben Miloud--Josselin <abenmiloud@evolix.fr>,
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and others.
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evocheck comes with ABSOLUTELY NO WARRANTY. This is free software,
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and you are welcome to redistribute it under certain conditions.
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See the GNU General Public License v3.0 for details.
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END
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}
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show_help() {
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cat <<END
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evocheck is a script that verifies Evolix conventions on Linux (Debian) servers.
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Usage: evocheck
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or evocheck --cron
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or evocheck --quiet
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or evocheck --verbose
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Options
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--cron disable a few checks
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-v, --verbose increase verbosity of checks
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-q, --quiet nothing is printed on stdout nor stderr
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-h, --help print this message and exit
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--version print version and exit
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END
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}
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detect_os() {
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# OS detection
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DEBIAN_RELEASE=""
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LSB_RELEASE_BIN=$(command -v lsb_release)
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if [ -e /etc/debian_version ]; then
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DEBIAN_MAIN_VERSION=$(cut -d "." -f 1 < /etc/debian_version)
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if [ "${DEBIAN_MAIN_VERSION}" -ne "8" ]; then
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echo "Debian ${DEBIAN_MAIN_VERSION} is incompatible with this version of evocheck." >&2
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echo "This version is built for Debian 8 only." >&2
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exit
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fi
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DEBIAN_RELEASE="jessie"
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fi
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}
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is_pack_web(){
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test -e /usr/share/scripts/web-add.sh || test -e /usr/share/scripts/evoadmin/web-add.sh
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}
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is_pack_samba(){
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test -e /usr/share/scripts/add.pl
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}
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is_installed(){
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for pkg in "$@"; do
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dpkg -l "$pkg" 2> /dev/null | grep -q -E '^(i|h)i' || return 1
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done
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}
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# logging
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failed() {
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check_name=$1
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shift
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check_comments=$*
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RC=1
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if [ "${QUIET}" != 1 ]; then
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if [ -n "${check_comments}" ] && [ "${VERBOSE}" = 1 ]; then
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printf "%s FAILED! %s\n" "${check_name}" "${check_comments}" >> "${main_output_file}"
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else
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printf "%s FAILED!\n" "${check_name}" >> "${main_output_file}"
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fi
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fi
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}
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# check functions
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check_lsbrelease(){
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if [ -x "${LSB_RELEASE_BIN}" ]; then
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## only the major version matters
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lhs=$(${LSB_RELEASE_BIN} --release --short | cut -d "." -f 1)
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rhs=$(cut -d "." -f 1 < /etc/debian_version)
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test "$lhs" = "$rhs" || failed "IS_LSBRELEASE" "release is not consistent between lsb_release (${lhs}) and /etc/debian_version (${rhs})"
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else
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failed "IS_LSBRELEASE" "lsb_release is missing or not executable"
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fi
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}
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# Verifying check_mailq in Nagios NRPE config file. (Option "-M postfix" need to be set if the MTA is Postfix)
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check_nrpepostfix() {
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if is_installed postfix; then
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{ test -e /etc/nagios/nrpe.cfg \
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&& grep -qr "^command.*check_mailq -M postfix" /etc/nagios/nrpe.*;
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} || failed "IS_NRPEPOSTFIX" "NRPE \"check_mailq\" for postfix is missing"
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fi
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}
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# Check if mod-security config file is present
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check_customsudoers() {
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grep -E -qr "umask=0077" /etc/sudoers* || failed "IS_CUSTOMSUDOERS" "missing umask=0077 in sudoers file"
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}
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check_vartmpfs() {
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FINDMNT_BIN=$(command -v findmnt)
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if [ -x "${FINDMNT_BIN}" ]; then
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${FINDMNT_BIN} /var/tmp --type tmpfs --noheadings > /dev/null || failed "IS_VARTMPFS" "/var/tmp is not a tmpfs"
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else
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df /var/tmp | grep -q tmpfs || failed "IS_VARTMPFS" "/var/tmp is not a tmpfs"
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fi
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}
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check_serveurbase() {
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is_installed serveur-base || failed "IS_SERVEURBASE" "serveur-base package is not installed"
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}
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check_logrotateconf() {
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test -e /etc/logrotate.d/zsyslog || failed "IS_LOGROTATECONF" "missing zsyslog in logrotate.d"
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}
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check_syslogconf() {
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grep -q "^# Syslog for Pack Evolix serveur" /etc/*syslog.conf \
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|| failed "IS_SYSLOGCONF" "syslog evolix config file missing"
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}
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check_debiansecurity() {
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# Look for enabled "Debian-Security" sources from the "Debian" origin
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apt-cache policy | grep "\bl=Debian-Security\b" | grep "\bo=Debian\b" | grep --quiet "\bc=main\b"
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test $? -eq 0 || failed "IS_DEBIANSECURITY" "missing Debian-Security repository"
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}
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check_aptitude() {
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test -e /usr/bin/aptitude && failed "IS_APTITUDE" "aptitude may not be installed on Debian >=8"
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}
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check_aptgetbak() {
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test -e /usr/bin/apt-get.bak && failed "IS_APTGETBAK" "prohibit the installation of apt-get.bak with dpkg-divert(1)"
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}
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check_usrro() {
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grep /usr /etc/fstab | grep -qE "\bro\b" || failed "IS_USRRO" "missing ro directive on fstab for /usr"
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}
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check_tmpnoexec() {
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FINDMNT_BIN=$(command -v findmnt)
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if [ -x "${FINDMNT_BIN}" ]; then
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options=$(${FINDMNT_BIN} --noheadings --first-only --output OPTIONS /tmp)
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echo "${options}" | grep -qE "\bnoexec\b" || failed "IS_TMPNOEXEC" "/tmp is not mounted with 'noexec'"
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else
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mount | grep "on /tmp" | grep -qE "\bnoexec\b" || failed "IS_TMPNOEXEC" "/tmp is not mounted with 'noexec' (WARNING: findmnt(8) is not found)"
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fi
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}
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check_mountfstab() {
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# Test if lsblk available, if not skip this test...
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LSBLK_BIN=$(command -v lsblk)
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if test -x "${LSBLK_BIN}"; then
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for mountPoint in $(${LSBLK_BIN} -o MOUNTPOINT -l -n | grep '/'); do
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grep -Eq "$mountPoint\W" /etc/fstab \
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|| failed "IS_MOUNT_FSTAB" "partition(s) detected mounted but no presence in fstab"
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done
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fi
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}
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check_listchangesconf() {
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if [ -e "/etc/apt/listchanges.conf" ]; then
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lines=$(grep -cE "(which=both|confirm=1)" /etc/apt/listchanges.conf)
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if [ "$lines" != 2 ]; then
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failed "IS_LISTCHANGESCONF" "apt-listchanges config is incorrect"
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fi
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else
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failed "IS_LISTCHANGESCONF" "apt-listchanges config is missing"
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fi
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}
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check_customcrontab() {
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found_lines=$(grep -c -E "^(17 \*|25 6|47 6|52 6)" /etc/crontab)
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test "$found_lines" = 4 && failed "IS_CUSTOMCRONTAB" "missing custom field in crontab"
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}
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check_sshallowusers() {
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grep -E -qir "(AllowUsers|AllowGroups)" /etc/ssh/sshd_config /etc/ssh/sshd_config.d \
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|| failed "IS_SSHALLOWUSERS" "missing AllowUsers or AllowGroups directive in sshd_config"
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}
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check_diskperf() {
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perfFile="/root/disk-perf.txt"
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test -e $perfFile || failed "IS_DISKPERF" "missing ${perfFile}"
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}
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check_tmoutprofile() {
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grep -sq "TMOUT=" /etc/profile /etc/profile.d/evolinux.sh || failed "IS_TMOUTPROFILE" "TMOUT is not set"
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}
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check_alert5boot() {
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if [ -n "$(find /etc/rc2.d/ -name 'S*alert5')" ]; then
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grep -q "^date" /etc/rc2.d/S*alert5 || failed "IS_ALERT5BOOT" "boot mail is not sent by alert5 init script"
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elif [ -n "$(find /etc/init.d/ -name 'alert5')" ]; then
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grep -q "^date" /etc/init.d/alert5 || failed "IS_ALERT5BOOT" "boot mail is not sent by alert5 int script"
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else
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failed "IS_ALERT5BOOT" "alert5 init script is missing"
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fi
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}
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check_alert5minifw() {
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if [ -n "$(find /etc/rc2.d/ -name 'S*alert5')" ]; then
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grep -q "^/etc/init.d/minifirewall" /etc/rc2.d/S*alert5 \
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|| failed "IS_ALERT5MINIFW" "Minifirewall is not started by alert5 init script"
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elif [ -n "$(find /etc/init.d/ -name 'alert5')" ]; then
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grep -q "^/etc/init.d/minifirewall" /etc/init.d/alert5 \
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|| failed "IS_ALERT5MINIFW" "Minifirewall is not started by alert5 init script"
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else
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failed "IS_ALERT5MINIFW" "alert5 init script is missing"
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fi
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}
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check_minifw() {
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/sbin/iptables -L -n | grep -q -E "^ACCEPT\s*all\s*--\s*31\.170\.8\.4\s*0\.0\.0\.0/0\s*$" \
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|| failed "IS_MINIFW" "minifirewall seems not started"
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}
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check_nrpeperms() {
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if [ -d /etc/nagios ]; then
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nagiosDir="/etc/nagios"
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actual=$(stat --format "%a" $nagiosDir)
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expected="750"
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test "$expected" = "$actual" || failed "IS_NRPEPERMS" "${nagiosDir} must be ${expected}"
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fi
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}
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check_minifwperms() {
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if [ -f "/etc/default/minifirewall" ]; then
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actual=$(stat --format "%a" "/etc/default/minifirewall")
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expected="600"
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test "$expected" = "$actual" || failed "IS_MINIFWPERMS" "/etc/default/minifirewall must be ${expected}"
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fi
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}
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check_nrpedisks() {
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NRPEDISKS=$(grep command.check_disk /etc/nagios/nrpe.cfg | grep "^command.check_disk[0-9]" | sed -e "s/^command.check_disk\([0-9]\+\).*/\1/" | sort -n | tail -1)
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DFDISKS=$(df -Pl | grep -c -E -v "(^Filesystem|/lib/init/rw|/dev/shm|udev|rpc_pipefs)")
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test "$NRPEDISKS" = "$DFDISKS" || failed "IS_NRPEDISKS" "there must be $DFDISKS check_disk in nrpe.cfg"
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}
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check_nrpepid() {
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{ test -e /etc/nagios/nrpe.cfg \
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&& grep -q "^pid_file=/var/run/nagios/nrpe.pid" /etc/nagios/nrpe.cfg;
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} || failed "IS_NRPEPID" "missing or wrong pid_file directive in nrpe.cfg"
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}
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check_grsecprocs() {
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if uname -a | grep -q grsec; then
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{ grep -q "^command.check_total_procs..sudo" /etc/nagios/nrpe.cfg \
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&& grep -A1 "^\[processes\]" /etc/munin/plugin-conf.d/munin-node | grep -q "^user root";
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} || failed "IS_GRSECPROCS" "missing munin's plugin processes directive for grsec"
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fi
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}
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check_apachemunin() {
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if test -e /etc/apache2/apache2.conf; then
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pattern="/server-status-[[:alnum:]]{4,}"
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{ grep -r -q -s -E "^env.url.*${pattern}" /etc/munin/plugin-conf.d \
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&& { grep -q -s -E "${pattern}" /etc/apache2/apache2.conf \
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|| grep -q -s -E "${pattern}" /etc/apache2/mods-enabled/status.conf;
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};
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} || failed "IS_APACHEMUNIN" "server status is not properly configured"
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fi
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}
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# Verification mytop + Munin si MySQL
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check_mysqlutils() {
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MYSQL_ADMIN=${MYSQL_ADMIN:-mysqladmin}
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if is_installed mysql-server; then
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# You can configure MYSQL_ADMIN in evocheck.cf
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if ! grep -qs "^user *= *${MYSQL_ADMIN}" /root/.my.cnf; then
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failed "IS_MYSQLUTILS" "${MYSQL_ADMIN} missing in /root/.my.cnf"
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fi
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if ! test -x /usr/bin/mytop; then
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if ! test -x /usr/local/bin/mytop; then
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failed "IS_MYSQLUTILS" "mytop binary missing"
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fi
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fi
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if ! grep -qs '^user *=' /root/.mytop; then
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failed "IS_MYSQLUTILS" "credentials missing in /root/.mytop"
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fi
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fi
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}
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# Verification de la configuration du raid soft (mdadm)
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check_raidsoft() {
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if test -e /proc/mdstat && grep -q md /proc/mdstat; then
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{ grep -q "^AUTOCHECK=true" /etc/default/mdadm \
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&& grep -q "^START_DAEMON=true" /etc/default/mdadm \
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&& grep -qv "^MAILADDR ___MAIL___" /etc/mdadm/mdadm.conf;
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} || failed "IS_RAIDSOFT" "missing or wrong config for mdadm"
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fi
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}
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# Verification du LogFormat de AWStats
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check_awstatslogformat() {
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if is_installed apache2 awstats; then
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awstatsFile="/etc/awstats/awstats.conf.local"
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grep -qE '^LogFormat=1' $awstatsFile \
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|| failed "IS_AWSTATSLOGFORMAT" "missing or wrong LogFormat directive in $awstatsFile"
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fi
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}
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# Verification de la présence de la config logrotate pour Munin
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check_muninlogrotate() {
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{ test -e /etc/logrotate.d/munin-node \
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&& test -e /etc/logrotate.d/munin;
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} || failed "IS_MUNINLOGROTATE" "missing lorotate file for munin"
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}
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# Verification de l'activation de Squid dans le cas d'un pack mail
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check_squid() {
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squidconffile="/etc/squid*/squid.conf"
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if is_pack_web && (is_installed squid || is_installed squid3); then
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host=$(hostname -i)
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# shellcheck disable=SC2086
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http_port=$(grep -E "^http_port\s+[0-9]+" $squidconffile | awk '{ print $2 }')
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{ grep -qE "^[^#]*iptables -t nat -A OUTPUT -p tcp --dport 80 -m owner --uid-owner proxy -j ACCEPT" "/etc/default/minifirewall" \
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&& grep -qE "^[^#]*iptables -t nat -A OUTPUT -p tcp --dport 80 -d $host -j ACCEPT" "/etc/default/minifirewall" \
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&& grep -qE "^[^#]*iptables -t nat -A OUTPUT -p tcp --dport 80 -d 127.0.0.(1|0/8) -j ACCEPT" "/etc/default/minifirewall" \
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&& grep -qE "^[^#]*iptables -t nat -A OUTPUT -p tcp --dport 80 -j REDIRECT --to-port.* $http_port" "/etc/default/minifirewall";
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} || grep -qE "^PROXY='?on'?" "/etc/default/minifirewall" \
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|| failed "IS_SQUID" "missing squid rules in minifirewall"
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fi
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}
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check_evomaintenance_fw() {
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if [ -f "/etc/default/minifirewall" ]; then
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hook_db=$(grep -E '^\s*HOOK_DB' /etc/evomaintenance.cf | tr -d ' ' | cut -d= -f2)
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rulesNumber=$(grep -c "/sbin/iptables -A INPUT -p tcp --sport 5432 --dport 1024:65535 -s .* -m state --state ESTABLISHED,RELATED -j ACCEPT" "/etc/default/minifirewall")
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if [ "$hook_db" = "1" ] && [ "$rulesNumber" -lt 2 ]; then
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failed "IS_EVOMAINTENANCE_FW" "HOOK_DB is enabled but missing evomaintenance rules in minifirewall"
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fi
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fi
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}
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# Verification de la conf et de l'activation de mod-deflate
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check_moddeflate() {
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f=/etc/apache2/mods-enabled/deflate.conf
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if is_installed apache2.2; then
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{ test -e $f && grep -q "AddOutputFilterByType DEFLATE text/html text/plain text/xml" $f \
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&& grep -q "AddOutputFilterByType DEFLATE text/css" $f \
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&& grep -q "AddOutputFilterByType DEFLATE application/x-javascript application/javascript" $f;
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} || failed "IS_MODDEFLATE" "missing AddOutputFilterByType directive for apache mod deflate"
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fi
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}
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# Verification de la conf log2mail
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check_log2mailrunning() {
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if is_pack_web && is_installed log2mail; then
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pgrep log2mail >/dev/null || failed "IS_LOG2MAILRUNNING" "log2mail is not running"
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fi
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}
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check_log2mailapache() {
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conf=/etc/log2mail/config/default
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if is_pack_web && is_installed log2mail; then
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grep -s -q "^file = /var/log/apache2/error.log" $conf \
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|| failed "IS_LOG2MAILAPACHE" "missing log2mail directive for apache"
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fi
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}
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check_log2mailmysql() {
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if is_pack_web && is_installed log2mail; then
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grep -s -q "^file = /var/log/syslog" /etc/log2mail/config/{default,mysql,mysql.conf} \
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|| failed "IS_LOG2MAILMYSQL" "missing log2mail directive for mysql"
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fi
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}
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check_log2mailsquid() {
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if is_pack_web && is_installed log2mail; then
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grep -s -q "^file = /var/log/squid.*/access.log" /etc/log2mail/config/* \
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|| failed "IS_LOG2MAILSQUID" "missing log2mail directive for squid"
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fi
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}
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# Verification si bind est chroote
|
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check_bindchroot() {
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if is_installed bind9; then
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if netstat -utpln | grep "/named" | grep :53 | grep -qvE "(127.0.0.1|::1)"; then
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if grep -q '^OPTIONS=".*-t' /etc/default/bind9 && grep -q '^OPTIONS=".*-u' /etc/default/bind9; then
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md5_original=$(md5sum /usr/sbin/named | cut -f 1 -d ' ')
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md5_chrooted=$(md5sum /var/chroot-bind/usr/sbin/named | cut -f 1 -d ' ')
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if [ "$md5_original" != "$md5_chrooted" ]; then
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failed "IS_BINDCHROOT" "the chrooted bind binary is different than the original binary"
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fi
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else
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failed "IS_BINDCHROOT" "bind process is not chrooted"
|
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fi
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fi
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fi
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}
|
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# /etc/network/interfaces should be present, we don't manage systemd-network yet
|
|
check_network_interfaces() {
|
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if ! test -f /etc/network/interfaces; then
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IS_AUTOIF=0
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IS_INTERFACESGW=0
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failed "IS_NETWORK_INTERFACES" "systemd network configuration is not supported yet"
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fi
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}
|
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# Verify if all if are in auto
|
|
check_autoif() {
|
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interfaces=$(/sbin/ifconfig -s | tail -n +2 | grep -E -v "^(lo|vnet|docker|veth|tun|tap|macvtap|vrrp)" | cut -d " " -f 1 |tr "\n" " ")
|
|
for interface in $interfaces; do
|
|
if grep -Rq "^iface $interface" /etc/network/interfaces* && ! grep -Rq "^auto $interface" /etc/network/interfaces*; then
|
|
failed "IS_AUTOIF" "Network interface \`${interface}' is statically defined but not set to auto"
|
|
test "${VERBOSE}" = 1 || break
|
|
fi
|
|
done
|
|
}
|
|
# Network conf verification
|
|
check_interfacesgw() {
|
|
number=$(grep -Ec "^[^#]*gateway [0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}" /etc/network/interfaces)
|
|
test "$number" -gt 1 && failed "IS_INTERFACESGW" "there is more than 1 IPv4 gateway"
|
|
number=$(grep -Ec "^[^#]*gateway [0-9a-fA-F]+:" /etc/network/interfaces)
|
|
test "$number" -gt 1 && failed "IS_INTERFACESGW" "there is more than 1 IPv6 gateway"
|
|
}
|
|
# Verification de la mise en place d'evobackup
|
|
check_evobackup() {
|
|
evobackup_found=$(find /etc/cron* -name '*evobackup*' | wc -l)
|
|
test "$evobackup_found" -gt 0 || failed "IS_EVOBACKUP" "missing evobackup cron"
|
|
}
|
|
# Vérification de l'exclusion des montages (NFS) dans les sauvegardes
|
|
check_evobackup_exclude_mount() {
|
|
excludes_file=$(mktemp --tmpdir="${TMPDIR:-/tmp}" "evocheck.evobackup_exclude_mount.XXXXX")
|
|
files_to_cleanup="${files_to_cleanup} ${excludes_file}"
|
|
|
|
# shellcheck disable=SC2044
|
|
for evobackup_file in $(find /etc/cron* -name '*evobackup*' | grep -v -E ".disabled$"); do
|
|
# if the file seems to be a backup script, with an Rsync invocation
|
|
if grep -q "^\s*rsync" "${evobackup_file}"; then
|
|
# If rsync is not limited by "one-file-system"
|
|
# then we verify that every mount is excluded
|
|
if ! grep -q -- "^\s*--one-file-system" "${evobackup_file}"; then
|
|
grep -- "--exclude " "${evobackup_file}" | grep -E -o "\"[^\"]+\"" | tr -d '"' > "${excludes_file}"
|
|
not_excluded=$(findmnt --type nfs,nfs4,fuse.sshfs, -o target --noheadings | grep -v -f "${excludes_file}")
|
|
for mount in ${not_excluded}; do
|
|
failed "IS_EVOBACKUP_EXCLUDE_MOUNT" "${mount} is not excluded from ${evobackup_file} backup script"
|
|
done
|
|
fi
|
|
fi
|
|
done
|
|
}
|
|
# Verification de la presence du userlogrotate
|
|
check_userlogrotate() {
|
|
if is_pack_web; then
|
|
test -x /etc/cron.weekly/userlogrotate || failed "IS_USERLOGROTATE" "missing userlogrotate cron"
|
|
fi
|
|
}
|
|
# Verification de la syntaxe de la conf d'Apache
|
|
check_apachectl() {
|
|
if is_installed apache2; then
|
|
/usr/sbin/apache2ctl configtest 2>&1 | grep -q "^Syntax OK$" \
|
|
|| failed "IS_APACHECTL" "apache errors detected, run a configtest"
|
|
fi
|
|
}
|
|
# Check if there is regular files in Apache sites-enabled.
|
|
check_apachesymlink() {
|
|
if is_installed apache2; then
|
|
apacheFind=$(find /etc/apache2/sites-enabled ! -type l -type f -print)
|
|
nbApacheFind=$(wc -m <<< "$apacheFind")
|
|
if [[ $nbApacheFind -gt 1 ]]; then
|
|
if [[ $VERBOSE == 1 ]]; then
|
|
while read -r line; do
|
|
failed "IS_APACHESYMLINK" "Not a symlink: $line"
|
|
done <<< "$apacheFind"
|
|
else
|
|
failed "IS_APACHESYMLINK"
|
|
fi
|
|
fi
|
|
fi
|
|
}
|
|
# Check if there is real IP addresses in Allow/Deny directives (no trailing space, inline comments or so).
|
|
check_apacheipinallow() {
|
|
# Note: Replace "exit 1" by "print" in Perl code to debug it.
|
|
if is_installed apache2; then
|
|
grep -IrE "^[^#] *(Allow|Deny) from" /etc/apache2/ \
|
|
| grep -iv "from all" \
|
|
| grep -iv "env=" \
|
|
| perl -ne 'exit 1 unless (/from( [\da-f:.\/]+)+$/i)' \
|
|
|| failed "IS_APACHEIPINALLOW" "bad (Allow|Deny) directives in apache"
|
|
fi
|
|
}
|
|
# Check if default Apache configuration file for munin is absent (or empty or commented).
|
|
check_muninapacheconf() {
|
|
muninconf="/etc/apache2/conf-available/munin.conf"
|
|
if is_installed apache2; then
|
|
test -e $muninconf && grep -vEq "^( |\t)*#" "$muninconf" \
|
|
&& failed "IS_MUNINAPACHECONF" "default munin configuration may be commented or disabled"
|
|
fi
|
|
}
|
|
# Check if default Apache configuration file for phpMyAdmin is absent (or empty or commented).
|
|
check_phpmyadminapacheconf() {
|
|
phpmyadminconf0="/etc/apache2/conf-available/phpmyadmin.conf"
|
|
phpmyadminconf1="/etc/apache2/conf-enabled/phpmyadmin.conf"
|
|
if is_installed apache2; then
|
|
test -e $phpmyadminconf0 && grep -vEq "^( |\t)*#" "$phpmyadminconf0" \
|
|
&& failed "IS_PHPMYADMINAPACHECONF" "default phpmyadmin configuration ($phpmyadminconf0) may be commented or disabled"
|
|
test -e $phpmyadminconf1 && grep -vEq "^( |\t)*#" "$phpmyadminconf1" \
|
|
&& failed "IS_PHPMYADMINAPACHECONF" "default phpmyadmin configuration ($phpmyadminconf1) may be commented or disabled"
|
|
fi
|
|
}
|
|
# Verification si le système doit redémarrer suite màj kernel.
|
|
check_kerneluptodate() {
|
|
if is_installed linux-image*; then
|
|
# shellcheck disable=SC2012
|
|
kernel_installed_at=$(date -d "$(ls --full-time -lcrt /boot | tail -n1 | awk '{print $6}')" +%s)
|
|
last_reboot_at=$(($(date +%s) - $(cut -f1 -d '.' /proc/uptime)))
|
|
if [ "$kernel_installed_at" -gt "$last_reboot_at" ]; then
|
|
failed "IS_KERNELUPTODATE" "machine is running an outdated kernel, reboot advised"
|
|
fi
|
|
fi
|
|
}
|
|
# Check if the server is running for more than a year.
|
|
check_uptime() {
|
|
if is_installed linux-image*; then
|
|
limit=$(date -d "now - 2 year" +%s)
|
|
last_reboot_at=$(($(date +%s) - $(cut -f1 -d '.' /proc/uptime)))
|
|
if [ "$limit" -gt "$last_reboot_at" ]; then
|
|
failed "IS_UPTIME" "machine has an uptime of more than 2 years, reboot on new kernel advised"
|
|
fi
|
|
fi
|
|
}
|
|
# Check if munin-node running and RRD files are up to date.
|
|
check_muninrunning() {
|
|
if ! pgrep munin-node >/dev/null; then
|
|
failed "IS_MUNINRUNNING" "Munin is not running"
|
|
elif [ -d "/var/lib/munin/" ] && [ -d "/var/cache/munin/" ]; then
|
|
limit=$(date +"%s" -d "now - 10 minutes")
|
|
|
|
if [ -n "$(find /var/lib/munin/ -name '*load-g.rrd')" ]; then
|
|
updated_at=$(stat -c "%Y" /var/lib/munin/*/*load-g.rrd |sort |tail -1)
|
|
[ "$limit" -gt "$updated_at" ] && failed "IS_MUNINRUNNING" "Munin load RRD has not been updated in the last 10 minutes"
|
|
else
|
|
failed "IS_MUNINRUNNING" "Munin is not installed properly (load RRD not found)"
|
|
fi
|
|
|
|
if [ -n "$(find /var/cache/munin/www/ -name 'load-day.png')" ]; then
|
|
updated_at=$(stat -c "%Y" /var/cache/munin/www/*/*/load-day.png |sort |tail -1)
|
|
grep -sq "^graph_strategy cron" /etc/munin/munin.conf && [ "$limit" -gt "$updated_at" ] && failed "IS_MUNINRUNNING" "Munin load PNG has not been updated in the last 10 minutes"
|
|
else
|
|
failed "IS_MUNINRUNNING" "Munin is not installed properly (load PNG not found)"
|
|
fi
|
|
else
|
|
failed "IS_MUNINRUNNING" "Munin is not installed properly (main directories are missing)"
|
|
fi
|
|
}
|
|
# Check if files in /home/backup/ are up-to-date
|
|
check_backupuptodate() {
|
|
backup_dir="/home/backup"
|
|
if [ -d "${backup_dir}" ]; then
|
|
if [ -n "$(ls -A ${backup_dir})" ]; then
|
|
find "${backup_dir}" -maxdepth 1 -type f | while read -r file; do
|
|
limit=$(date +"%s" -d "now - 2 day")
|
|
updated_at=$(stat -c "%Y" "$file")
|
|
|
|
if [ "$limit" -gt "$updated_at" ]; then
|
|
failed "IS_BACKUPUPTODATE" "$file has not been backed up"
|
|
test "${VERBOSE}" = 1 || break;
|
|
fi
|
|
done
|
|
else
|
|
failed "IS_BACKUPUPTODATE" "${backup_dir}/ is empty"
|
|
fi
|
|
else
|
|
failed "IS_BACKUPUPTODATE" "${backup_dir}/ is missing"
|
|
fi
|
|
}
|
|
check_etcgit() {
|
|
export GIT_DIR="/etc/.git" GIT_WORK_TREE="/etc"
|
|
git rev-parse --is-inside-work-tree > /dev/null 2>&1 \
|
|
|| failed "IS_ETCGIT" "/etc is not a git repository"
|
|
}
|
|
# Check if /etc/.git/ has read/write permissions for root only.
|
|
check_gitperms() {
|
|
GIT_DIR="/etc/.git"
|
|
if test -d $GIT_DIR; then
|
|
expected="700"
|
|
actual=$(stat -c "%a" $GIT_DIR)
|
|
[ "$expected" = "$actual" ] || failed "IS_GITPERMS" "$GIT_DIR must be $expected"
|
|
fi
|
|
}
|
|
# Check if no package has been upgraded since $limit.
|
|
check_notupgraded() {
|
|
last_upgrade=0
|
|
upgraded=false
|
|
for log in /var/log/dpkg.log*; do
|
|
if zgrep -qsm1 upgrade "$log"; then
|
|
# There is at least one upgrade
|
|
upgraded=true
|
|
break
|
|
fi
|
|
done
|
|
if $upgraded; then
|
|
last_upgrade=$(date +%s -d "$(zgrep -h upgrade /var/log/dpkg.log* | sort -n | tail -1 | cut -f1 -d ' ')")
|
|
fi
|
|
if grep -qs '^mailto="listupgrade-todo@' /etc/evolinux/listupgrade.cnf \
|
|
|| grep -qs -E '^[[:digit:]]+[[:space:]]+[[:digit:]]+[[:space:]]+[^\*]' /etc/cron.d/listupgrade; then
|
|
# Manual upgrade process
|
|
limit=$(date +%s -d "now - 180 days")
|
|
else
|
|
# Regular process
|
|
limit=$(date +%s -d "now - 90 days")
|
|
fi
|
|
install_date=0
|
|
if [ -d /var/log/installer ]; then
|
|
install_date=$(stat -c %Z /var/log/installer)
|
|
fi
|
|
# Check install_date if the system never received an upgrade
|
|
if [ "$last_upgrade" -eq 0 ]; then
|
|
[ "$install_date" -lt "$limit" ] && failed "IS_NOTUPGRADED" "The system has never been updated"
|
|
else
|
|
[ "$last_upgrade" -lt "$limit" ] && failed "IS_NOTUPGRADED" "The system hasn't been updated for too long"
|
|
fi
|
|
}
|
|
# Check if reserved blocks for root is at least 5% on every mounted partitions.
|
|
check_tune2fs_m5() {
|
|
min=5
|
|
parts=$(grep -E "ext(3|4)" /proc/mounts | cut -d ' ' -f1 | tr -s '\n' ' ')
|
|
FINDMNT_BIN=$(command -v findmnt)
|
|
for part in $parts; do
|
|
blockCount=$(dumpe2fs -h "$part" 2>/dev/null | grep -e "Block count:" | grep -Eo "[0-9]+")
|
|
# If buggy partition, skip it.
|
|
if [ -z "$blockCount" ]; then
|
|
continue
|
|
fi
|
|
reservedBlockCount=$(dumpe2fs -h "$part" 2>/dev/null | grep -e "Reserved block count:" | grep -Eo "[0-9]+")
|
|
# Use awk to have a rounded percentage
|
|
# python is slow, bash is unable and bc rounds weirdly
|
|
percentage=$(awk "BEGIN { pc=100*${reservedBlockCount}/${blockCount}; i=int(pc); print (pc-i<0.5)?i:i+1 }")
|
|
|
|
if [ "$percentage" -lt "${min}" ]; then
|
|
if [ -x "${FINDMNT_BIN}" ]; then
|
|
mount=$(${FINDMNT_BIN} --noheadings --first-only --output TARGET "${part}")
|
|
else
|
|
mount="unknown mount point"
|
|
fi
|
|
failed "IS_TUNE2FS_M5" "Partition ${part} (${mount}) has less than ${min}% reserved blocks (${percentage}%)"
|
|
fi
|
|
done
|
|
}
|
|
check_broadcomfirmware() {
|
|
LSPCI_BIN=$(command -v lspci)
|
|
if [ -x "${LSPCI_BIN}" ]; then
|
|
if ${LSPCI_BIN} | grep -q 'NetXtreme II'; then
|
|
{ is_installed firmware-bnx2 \
|
|
&& grep -q "^deb http://mirror.evolix.org/debian.* non-free" /etc/apt/sources.list;
|
|
} || failed "IS_BROADCOMFIRMWARE" "missing non-free repository"
|
|
fi
|
|
else
|
|
failed "IS_BROADCOMFIRMWARE" "lspci not found in ${PATH}"
|
|
fi
|
|
}
|
|
check_hardwareraidtool() {
|
|
LSPCI_BIN=$(command -v lspci)
|
|
if [ -x "${LSPCI_BIN}" ]; then
|
|
if ${LSPCI_BIN} | grep -q 'MegaRAID'; then
|
|
# shellcheck disable=SC2015
|
|
is_installed megacli && { is_installed megaclisas-status || is_installed megaraidsas-status; } \
|
|
|| failed "IS_HARDWARERAIDTOOL" "Mega tools not found"
|
|
fi
|
|
if ${LSPCI_BIN} | grep -q 'Hewlett-Packard Company Smart Array'; then
|
|
is_installed cciss-vol-status || failed "IS_HARDWARERAIDTOOL" "cciss-vol-status not installed"
|
|
fi
|
|
else
|
|
failed "IS_HARDWARERAIDTOOL" "lspci not found in ${PATH}"
|
|
fi
|
|
}
|
|
check_listupgrade() {
|
|
test -f /etc/cron.d/listupgrade \
|
|
|| failed "IS_LISTUPGRADE" "missing listupgrade cron"
|
|
test -x /usr/share/scripts/listupgrade.sh \
|
|
|| failed "IS_LISTUPGRADE" "missing listupgrade script or not executable"
|
|
}
|
|
check_sql_backup() {
|
|
if (is_installed "mysql-server" || is_installed "mariadb-server"); then
|
|
# You could change the default path in /etc/evocheck.cf
|
|
SQL_BACKUP_PATH=${SQL_BACKUP_PATH:-"/home/backup/mysql.bak.gz"}
|
|
for backup_path in ${SQL_BACKUP_PATH}; do
|
|
if [ ! -f "${backup_path}" ]; then
|
|
failed "IS_SQL_BACKUP" "MySQL dump is missing (${backup_path})"
|
|
test "${VERBOSE}" = 1 || break
|
|
fi
|
|
done
|
|
fi
|
|
}
|
|
check_postgres_backup() {
|
|
if is_installed "postgresql-9*" || is_installed "postgresql-1*"; then
|
|
# If you use something like barman, you should disable this check
|
|
# You could change the default path in /etc/evocheck.cf
|
|
POSTGRES_BACKUP_PATH=${POSTGRES_BACKUP_PATH:-"/home/backup/pg.dump.bak*"}
|
|
for backup_path in ${POSTGRES_BACKUP_PATH}; do
|
|
if [ ! -f "${backup_path}" ]; then
|
|
failed "IS_POSTGRES_BACKUP" "PostgreSQL dump is missing (${backup_path})"
|
|
test "${VERBOSE}" = 1 || break
|
|
fi
|
|
done
|
|
fi
|
|
}
|
|
check_mongo_backup() {
|
|
if is_installed "mongodb-org-server"; then
|
|
# You could change the default path in /etc/evocheck.cf
|
|
MONGO_BACKUP_PATH=${MONGO_BACKUP_PATH:-"/home/backup/mongodump"}
|
|
if [ -d "$MONGO_BACKUP_PATH" ]; then
|
|
for file in "${MONGO_BACKUP_PATH}"/*/*.{json,bson}*; do
|
|
# Skip indexes file.
|
|
if ! [[ "$file" =~ indexes ]]; then
|
|
limit=$(date +"%s" -d "now - 2 day")
|
|
updated_at=$(stat -c "%Y" "$file")
|
|
if [ -f "$file" ] && [ "$limit" -gt "$updated_at" ]; then
|
|
failed "IS_MONGO_BACKUP" "MongoDB hasn't been dumped for more than 2 days"
|
|
break
|
|
fi
|
|
fi
|
|
done
|
|
else
|
|
failed "IS_MONGO_BACKUP" "MongoDB dump directory is missing (${MONGO_BACKUP_PATH})"
|
|
fi
|
|
fi
|
|
}
|
|
check_ldap_backup() {
|
|
if is_installed slapd; then
|
|
# You could change the default path in /etc/evocheck.cf
|
|
LDAP_BACKUP_PATH=${LDAP_BACKUP_PATH:-"/home/backup/ldap.bak"}
|
|
test -f "$LDAP_BACKUP_PATH" || failed "IS_LDAP_BACKUP" "LDAP dump is missing (${LDAP_BACKUP_PATH})"
|
|
fi
|
|
}
|
|
check_redis_backup() {
|
|
if is_installed redis-server; then
|
|
# You could change the default path in /etc/evocheck.cf
|
|
# REDIS_BACKUP_PATH may contain space-separated paths, example:
|
|
# REDIS_BACKUP_PATH='/home/backup/redis-instance1/dump.rdb /home/backup/redis-instance2/dump.rdb'
|
|
REDIS_BACKUP_PATH=${REDIS_BACKUP_PATH:-"/home/backup/redis/dump.rdb"}
|
|
for file in ${REDIS_BACKUP_PATH}; do
|
|
test -f "${file}" || failed "IS_REDIS_BACKUP" "Redis dump is missing (${file})"
|
|
done
|
|
fi
|
|
}
|
|
check_elastic_backup() {
|
|
if is_installed elasticsearch; then
|
|
# You could change the default path in /etc/evocheck.cf
|
|
ELASTIC_BACKUP_PATH=${ELASTIC_BACKUP_PATH:-"/home/backup-elasticsearch"}
|
|
test -d "$ELASTIC_BACKUP_PATH" || failed "IS_ELASTIC_BACKUP" "Elastic snapshot is missing (${ELASTIC_BACKUP_PATH})"
|
|
fi
|
|
}
|
|
check_duplicate_fs_label() {
|
|
# Do it only if thereis blkid binary
|
|
BLKID_BIN=$(command -v blkid)
|
|
if [ -n "$BLKID_BIN" ]; then
|
|
tmpFile=$(mktemp --tmpdir="${TMPDIR:-/tmp}" "evocheck.duplicate_fs_label.XXXXX")
|
|
files_to_cleanup="${files_to_cleanup} ${tmpFile}"
|
|
|
|
parts=$($BLKID_BIN -c /dev/null | grep -ve raid_member -e EFI_SYSPART | grep -Eo ' LABEL=".*"' | cut -d'"' -f2)
|
|
for part in $parts; do
|
|
echo "$part" >> "$tmpFile"
|
|
done
|
|
tmpOutput=$(sort < "$tmpFile" | uniq -d)
|
|
# If there is no duplicate, uniq will have no output
|
|
# So, if $tmpOutput is not null, there is a duplicate
|
|
if [ -n "$tmpOutput" ]; then
|
|
# shellcheck disable=SC2086
|
|
labels=$(echo -n $tmpOutput | tr '\n' ' ')
|
|
failed "IS_DUPLICATE_FS_LABEL" "Duplicate labels: $labels"
|
|
fi
|
|
else
|
|
failed "IS_DUPLICATE_FS_LABEL" "blkid not found in ${PATH}"
|
|
fi
|
|
}
|
|
check_evolix_user() {
|
|
grep -q -E "^evolix:" /etc/passwd \
|
|
&& failed "IS_EVOLIX_USER" "evolix user should be deleted, used only for install"
|
|
}
|
|
check_evoacme_cron() {
|
|
if [ -f "/usr/local/sbin/evoacme" ]; then
|
|
# Old cron file, should be deleted
|
|
test -f /etc/cron.daily/certbot && failed "IS_EVOACME_CRON" "certbot cron is incompatible with evoacme"
|
|
# evoacme cron file should be present
|
|
test -f /etc/cron.daily/evoacme || failed "IS_EVOACME_CRON" "evoacme cron is missing"
|
|
fi
|
|
}
|
|
check_evoacme_livelinks() {
|
|
EVOACME_BIN=$(command -v evoacme)
|
|
if [ -x "$EVOACME_BIN" ]; then
|
|
# Sometimes evoacme is installed but no certificates has been generated
|
|
numberOfLinks=$(find /etc/letsencrypt/ -type l | wc -l)
|
|
if [ "$numberOfLinks" -gt 0 ]; then
|
|
for live in /etc/letsencrypt/*/live; do
|
|
actualLink=$(readlink -f "$live")
|
|
actualVersion=$(basename "$actualLink")
|
|
|
|
certDir=$(dirname "$live")
|
|
certName=$(basename "$certDir")
|
|
# shellcheck disable=SC2012
|
|
lastCertDir=$(ls -ds "${certDir}"/[0-9]* | tail -1)
|
|
lastVersion=$(basename "$lastCertDir")
|
|
|
|
if [[ "$lastVersion" != "$actualVersion" ]]; then
|
|
failed "IS_EVOACME_LIVELINKS" "Certificate \`$certName' hasn't been updated"
|
|
test "${VERBOSE}" = 1 || break
|
|
fi
|
|
done
|
|
fi
|
|
fi
|
|
}
|
|
check_apache_confenabled() {
|
|
# Starting from Jessie and Apache 2.4, /etc/apache2/conf.d/
|
|
# must be replaced by conf-available/ and config files symlinked
|
|
# to conf-enabled/
|
|
if [ -f /etc/apache2/apache2.conf ]; then
|
|
test -d /etc/apache2/conf.d/ \
|
|
&& failed "IS_APACHE_CONFENABLED" "apache's conf.d directory must not exists"
|
|
grep -q 'Include conf.d' /etc/apache2/apache2.conf \
|
|
&& failed "IS_APACHE_CONFENABLED" "apache2.conf must not Include conf.d"
|
|
fi
|
|
}
|
|
check_meltdown_spectre() {
|
|
# For Jessie this is quite complicated to verify and we need to use kernel config file
|
|
if grep -q "BOOT_IMAGE=" /proc/cmdline; then
|
|
kernelPath=$(grep -Eo 'BOOT_IMAGE=[^ ]+' /proc/cmdline | cut -d= -f2)
|
|
kernelVer=${kernelPath##*/vmlinuz-}
|
|
kernelConfig="config-${kernelVer}"
|
|
# Sometimes autodetection of kernel config file fail, so we test if the file really exists.
|
|
if [ -f "/boot/${kernelConfig}" ]; then
|
|
grep -Eq '^CONFIG_PAGE_TABLE_ISOLATION=y' "/boot/$kernelConfig" \
|
|
|| failed "IS_MELTDOWN_SPECTRE" \
|
|
"PAGE_TABLE_ISOLATION must be enabled in kernel, outdated kernel?"
|
|
grep -Eq '^CONFIG_RETPOLINE=y' "/boot/$kernelConfig" \
|
|
|| failed "IS_MELTDOWN_SPECTRE" \
|
|
"RETPOLINE must be enabled in kernel, outdated kernel?"
|
|
fi
|
|
fi
|
|
}
|
|
check_old_home_dir() {
|
|
homeDir=${homeDir:-/home}
|
|
for dir in "$homeDir"/*; do
|
|
statResult=$(stat -c "%n has owner %u resolved as %U" "$dir" \
|
|
| grep -Eve '.bak' -e '\.[0-9]{2}-[0-9]{2}-[0-9]{4}' \
|
|
| grep "UNKNOWN")
|
|
# There is at least one dir matching
|
|
if [[ -n "$statResult" ]]; then
|
|
failed "IS_OLD_HOME_DIR" "$statResult"
|
|
test "${VERBOSE}" = 1 || break
|
|
fi
|
|
done
|
|
}
|
|
check_tmp_1777() {
|
|
actual=$(stat --format "%a" /tmp)
|
|
expected="1777"
|
|
test "$expected" = "$actual" || failed "IS_TMP_1777" "/tmp must be $expected"
|
|
}
|
|
check_root_0700() {
|
|
actual=$(stat --format "%a" /root)
|
|
expected="700"
|
|
test "$expected" = "$actual" || failed "IS_ROOT_0700" "/root must be $expected"
|
|
}
|
|
check_usrsharescripts() {
|
|
actual=$(stat --format "%a" /usr/share/scripts)
|
|
expected="700"
|
|
test "$expected" = "$actual" || failed "IS_USRSHARESCRIPTS" "/usr/share/scripts must be $expected"
|
|
}
|
|
check_sshpermitrootno() {
|
|
sshd_args="-C addr=,user=,host=,laddr=,lport=0"
|
|
# shellcheck disable=SC2086
|
|
if ! (sshd -T ${sshd_args} 2> /dev/null | grep -qi 'permitrootlogin no'); then
|
|
failed "IS_SSHPERMITROOTNO" "PermitRoot should be set to no"
|
|
fi
|
|
}
|
|
check_evomaintenanceusers() {
|
|
if [ -f /etc/sudoers.d/evolinux ]; then
|
|
sudoers="/etc/sudoers.d/evolinux"
|
|
else
|
|
sudoers="/etc/sudoers"
|
|
fi
|
|
# combine users from User_Alias and sudo group
|
|
users=$({ grep "^User_Alias *ADMIN" $sudoers | cut -d= -f2 | tr -d " "; grep "^sudo" /etc/group | cut -d: -f 4; } | tr "," "\n" | sort -u)
|
|
for user in $users; do
|
|
user_home=$(getent passwd "$user" | cut -d: -f6)
|
|
if [ -n "$user_home" ] && [ -d "$user_home" ]; then
|
|
if ! grep -qs "^trap.*sudo.*evomaintenance.sh" "${user_home}"/.*profile; then
|
|
failed "IS_EVOMAINTENANCEUSERS" "${user} doesn't have an evomaintenance trap"
|
|
test "${VERBOSE}" = 1 || break
|
|
fi
|
|
fi
|
|
done
|
|
}
|
|
check_evomaintenanceconf() {
|
|
f=/etc/evomaintenance.cf
|
|
if [ -e "$f" ]; then
|
|
perms=$(stat -c "%a" $f)
|
|
test "$perms" = "600" || failed "IS_EVOMAINTENANCECONF" "Wrong permissions on \`$f' ($perms instead of 600)"
|
|
|
|
{ grep "^export PGPASSWORD" $f | grep -qv "your-passwd" \
|
|
&& grep "^PGDB" $f | grep -qv "your-db" \
|
|
&& grep "^PGTABLE" $f | grep -qv "your-table" \
|
|
&& grep "^PGHOST" $f | grep -qv "your-pg-host" \
|
|
&& grep "^FROM" $f | grep -qv "jdoe@example.com" \
|
|
&& grep "^FULLFROM" $f | grep -qv "John Doe <jdoe@example.com>" \
|
|
&& grep "^URGENCYFROM" $f | grep -qv "mama.doe@example.com" \
|
|
&& grep "^URGENCYTEL" $f | grep -qv "06.00.00.00.00" \
|
|
&& grep "^REALM" $f | grep -qv "example.com"
|
|
} || failed "IS_EVOMAINTENANCECONF" "evomaintenance is not correctly configured"
|
|
else
|
|
failed "IS_EVOMAINTENANCECONF" "Configuration file \`$f' is missing"
|
|
fi
|
|
}
|
|
check_privatekeyworldreadable() {
|
|
# a simple globbing fails if directory is empty
|
|
if [ -n "$(ls -A /etc/ssl/private/)" ]; then
|
|
for f in /etc/ssl/private/*; do
|
|
perms=$(stat -L -c "%a" "$f")
|
|
if [ "${perms: -1}" != 0 ]; then
|
|
failed "IS_PRIVKEYWOLRDREADABLE" "$f is world-readable"
|
|
test "${VERBOSE}" = 1 || break
|
|
fi
|
|
done
|
|
fi
|
|
}
|
|
check_evobackup_incs() {
|
|
if is_installed bkctld; then
|
|
bkctld_cron_file=${bkctld_cron_file:-/etc/cron.d/bkctld}
|
|
if [ -f "${bkctld_cron_file}" ]; then
|
|
root_crontab=$(grep -v "^#" "${bkctld_cron_file}")
|
|
echo "${root_crontab}" | grep -q "bkctld inc" || failed "IS_EVOBACKUP_INCS" "\`bkctld inc' is missing in ${bkctld_cron_file}"
|
|
echo "${root_crontab}" | grep -qE "(check-incs.sh|bkctld check-incs)" || failed "IS_EVOBACKUP_INCS" "\`check-incs.sh' is missing in ${bkctld_cron_file}"
|
|
else
|
|
failed "IS_EVOBACKUP_INCS" "Crontab \`${bkctld_cron_file}' is missing"
|
|
fi
|
|
fi
|
|
}
|
|
|
|
check_osprober() {
|
|
if is_installed os-prober qemu-kvm; then
|
|
failed "IS_OSPROBER" \
|
|
"Removal of os-prober package is recommended as it can cause serious issue on KVM server"
|
|
fi
|
|
}
|
|
|
|
check_jessie_backports() {
|
|
jessieBackports=$(grep -hs "jessie-backports" /etc/apt/sources.list /etc/apt/sources.list.d/*)
|
|
if test -n "$jessieBackports"; then
|
|
if ! grep -q "archive.debian.org" <<< "$jessieBackports"; then
|
|
failed "IS_JESSIE_BACKPORTS" "You must use deb http://archive.debian.org/debian/ jessie-backports main"
|
|
fi
|
|
fi
|
|
}
|
|
|
|
check_apt_valid_until() {
|
|
aptvalidFile="/etc/apt/apt.conf.d/99no-check-valid-until"
|
|
aptvalidText="Acquire::Check-Valid-Until no;"
|
|
if grep -qs "archive.debian.org" /etc/apt/sources.list /etc/apt/sources.list.d/*; then
|
|
if ! grep -qs "$aptvalidText" /etc/apt/apt.conf.d/*; then
|
|
failed "IS_APT_VALID_UNTIL" \
|
|
"As you use archive.mirror.org you need ${aptvalidFile}: ${aptvalidText}"
|
|
fi
|
|
fi
|
|
}
|
|
|
|
check_chrooted_binary_uptodate() {
|
|
# list of processes to check
|
|
process_list="sshd"
|
|
for process_name in ${process_list}; do
|
|
# what is the binary path?
|
|
original_bin=$(command -v "${process_name}")
|
|
for pid in $(pgrep ${process_name}); do
|
|
process_bin=$(realpath "/proc/${pid}/exe")
|
|
# Is the process chrooted?
|
|
real_root=$(realpath "/proc/${pid}/root")
|
|
if [ "${real_root}" != "/" ]; then
|
|
chrooted_md5=$(md5sum "${process_bin}" | cut -f 1 -d ' ')
|
|
original_md5=$(md5sum "${original_bin}" | cut -f 1 -d ' ')
|
|
# compare md5 checksums
|
|
if [ "$original_md5" != "$chrooted_md5" ]; then
|
|
failed "IS_CHROOTED_BINARY_UPTODATE" "${process_bin} (${pid}) is different than ${original_bin}."
|
|
test "${VERBOSE}" = 1 || break
|
|
fi
|
|
fi
|
|
done
|
|
done
|
|
}
|
|
check_nginx_letsencrypt_uptodate() {
|
|
if [ -d /etc/nginx ]; then
|
|
snippets=$(find /etc/nginx -type f -name "letsencrypt.conf")
|
|
if [ -n "${snippets}" ]; then
|
|
while read -r snippet; do
|
|
if ! grep -qE "^\s*alias\s+/.+/\.well-known/acme-challenge" "${snippet}"; then
|
|
failed "IS_NGINX_LETSENCRYPT_UPTODATE" "Nginx snippet ${snippet} is not compatible with Nginx on Debian 8."
|
|
fi
|
|
done <<< "${snippets}"
|
|
fi
|
|
fi
|
|
}
|
|
|
|
check_lxc_container_resolv_conf() {
|
|
if is_installed lxc; then
|
|
container_list=$(lxc-ls)
|
|
current_resolvers=$(grep nameserver /etc/resolv.conf | sed 's/nameserver//g' )
|
|
|
|
for container in $container_list; do
|
|
if [ -f "/var/lib/lxc/${container}/rootfs/etc/resolv.conf" ]; then
|
|
|
|
while read -r resolver; do
|
|
if ! grep -qE "^nameserver\s+${resolver}" "/var/lib/lxc/${container}/rootfs/etc/resolv.conf"; then
|
|
failed "IS_LXC_CONTAINER_RESOLV_CONF" "resolv.conf miss-match beween host and container : missing nameserver ${resolver} in container ${container} resolv.conf"
|
|
fi
|
|
done <<< "${current_resolvers}"
|
|
|
|
else
|
|
failed "IS_LXC_CONTAINER_RESOLV_CONF" "resolv.conf missing in container ${container}"
|
|
fi
|
|
done
|
|
fi
|
|
}
|
|
download_versions() {
|
|
local file
|
|
file=${1:-}
|
|
|
|
## The file is supposed to list programs : each on a line, then its latest version number
|
|
## Examples:
|
|
# evoacme 21.06
|
|
# evomaintenance 0.6.4
|
|
|
|
versions_url="https://upgrades.evolix.org/versions-${DEBIAN_RELEASE}"
|
|
|
|
# fetch timeout, in seconds
|
|
timeout=10
|
|
|
|
if command -v curl > /dev/null; then
|
|
curl --max-time ${timeout} --fail --silent --output "${versions_file}" "${versions_url}"
|
|
elif command -v wget > /dev/null; then
|
|
wget --timeout=${timeout} --quiet "${versions_url}" -O "${versions_file}"
|
|
elif command -v GET; then
|
|
GET -t ${timeout}s "${versions_url}" > "${versions_file}"
|
|
else
|
|
failed "IS_CHECK_VERSIONS" "failed to find curl, wget or GET"
|
|
fi
|
|
test "$?" -eq 0 || failed "IS_CHECK_VERSIONS" "failed to download ${versions_url} to ${versions_file}"
|
|
}
|
|
get_command() {
|
|
local program
|
|
program=${1:-}
|
|
|
|
case "${program}" in
|
|
## Special cases where the program name is different than the command name
|
|
evocheck) echo "${0}" ;;
|
|
evomaintenance) command -v "evomaintenance.sh" ;;
|
|
listupgrade) command -v "evolistupgrade.sh" ;;
|
|
old-kernel-autoremoval) command -v "old-kernel-autoremoval.sh" ;;
|
|
mysql-queries-killer) command -v "mysql-queries-killer.sh" ;;
|
|
minifirewall) echo "/etc/init.d/minifirewall" ;;
|
|
|
|
## General case, where the program name is the same as the command name
|
|
*) command -v "${program}" ;;
|
|
esac
|
|
}
|
|
get_version() {
|
|
local program
|
|
local command
|
|
program=${1:-}
|
|
command=${2:-}
|
|
|
|
case "${program}" in
|
|
## Special case if `command --version => 'command` is not the standard way to get the version
|
|
# my_command)
|
|
# /path/to/my_command --get-version
|
|
# ;;
|
|
|
|
add-vm)
|
|
grep '^VERSION=' "${command}" | head -1 | cut -d '=' -f 2
|
|
;;
|
|
minifirewall)
|
|
${command} version | head -1 | cut -d ' ' -f 3
|
|
;;
|
|
## Let's try the --version flag before falling back to grep for the constant
|
|
kvmstats)
|
|
if ${command} --version > /dev/null 2> /dev/null; then
|
|
${command} --version 2> /dev/null | head -1 | cut -d ' ' -f 3
|
|
else
|
|
grep '^VERSION=' "${command}" | head -1 | cut -d '=' -f 2
|
|
fi
|
|
;;
|
|
|
|
## General case to get the version
|
|
*) ${command} --version 2> /dev/null | head -1 | cut -d ' ' -f 3 ;;
|
|
esac
|
|
}
|
|
check_version() {
|
|
local program
|
|
local expected_version
|
|
program=${1:-}
|
|
expected_version=${2:-}
|
|
|
|
command=$(get_command "${program}")
|
|
if [ -n "${command}" ]; then
|
|
# shellcheck disable=SC2086
|
|
actual_version=$(get_version "${program}" "${command}")
|
|
# printf "program:%s expected:%s actual:%s\n" "${program}" "${expected_version}" "${actual_version}"
|
|
if [ -z "${actual_version}" ]; then
|
|
failed "IS_CHECK_VERSIONS" "failed to lookup actual version of ${program}"
|
|
elif dpkg --compare-versions "${actual_version}" lt "${expected_version}"; then
|
|
failed "IS_CHECK_VERSIONS" "${program} version ${actual_version} is older than expected version ${expected_version}"
|
|
elif dpkg --compare-versions "${actual_version}" gt "${expected_version}"; then
|
|
failed "IS_CHECK_VERSIONS" "${program} version ${actual_version} is newer than expected version ${expected_version}, you should update your index."
|
|
else
|
|
: # Version check OK
|
|
fi
|
|
fi
|
|
}
|
|
add_to_path() {
|
|
local new_path
|
|
new_path=${1:-}
|
|
|
|
echo "$PATH" | grep -qF "${new_path}" || export PATH="${PATH}:${new_path}"
|
|
}
|
|
check_versions() {
|
|
versions_file=$(mktemp --tmpdir="${TMPDIR:-/tmp}" "evocheck.versions.XXXXX")
|
|
files_to_cleanup="${files_to_cleanup} ${versions_file}"
|
|
|
|
download_versions "${versions_file}"
|
|
add_to_path "/usr/share/scripts"
|
|
|
|
grep -v '^ *#' < "${versions_file}" | while IFS= read -r line; do
|
|
local program
|
|
local version
|
|
program=$(echo "${line}" | cut -d ' ' -f 1)
|
|
version=$(echo "${line}" | cut -d ' ' -f 2)
|
|
|
|
if [ -n "${program}" ]; then
|
|
if [ -n "${version}" ]; then
|
|
check_version "${program}" "${version}"
|
|
else
|
|
failed "IS_CHECK_VERSIONS" "failed to lookup expected version for ${program}"
|
|
fi
|
|
fi
|
|
done
|
|
}
|
|
|
|
main() {
|
|
# Default return code : 0 = no error
|
|
RC=0
|
|
# Detect operating system name, version and release
|
|
detect_os
|
|
|
|
main_output_file=$(mktemp --tmpdir="${TMPDIR:-/tmp}" "evocheck.main.XXXXX")
|
|
files_to_cleanup="${files_to_cleanup} ${main_output_file}"
|
|
|
|
test "${IS_TMP_1777:=1}" = 1 && check_tmp_1777
|
|
test "${IS_ROOT_0700:=1}" = 1 && check_root_0700
|
|
test "${IS_USRSHARESCRIPTS:=1}" = 1 && check_usrsharescripts
|
|
test "${IS_SSHPERMITROOTNO:=1}" = 1 && check_sshpermitrootno
|
|
test "${IS_EVOMAINTENANCEUSERS:=1}" = 1 && check_evomaintenanceusers
|
|
# Verification de la configuration d'evomaintenance
|
|
test "${IS_EVOMAINTENANCECONF:=1}" = 1 && check_evomaintenanceconf
|
|
test "${IS_PRIVKEYWOLRDREADABLE:=1}" = 1 && check_privatekeyworldreadable
|
|
|
|
test "${IS_LSBRELEASE:=1}" = 1 && check_lsbrelease
|
|
test "${IS_NRPEPOSTFIX:=1}" = 1 && check_nrpepostfix
|
|
test "${IS_CUSTOMSUDOERS:=1}" = 1 && check_customsudoers
|
|
test "${IS_VARTMPFS:=1}" = 1 && check_vartmpfs
|
|
test "${IS_SERVEURBASE:=1}" = 1 && check_serveurbase
|
|
test "${IS_LOGROTATECONF:=1}" = 1 && check_logrotateconf
|
|
test "${IS_SYSLOGCONF:=1}" = 1 && check_syslogconf
|
|
test "${IS_DEBIANSECURITY:=1}" = 1 && check_debiansecurity
|
|
test "${IS_APTITUDE:=1}" = 1 && check_aptitude
|
|
test "${IS_APTGETBAK:=1}" = 1 && check_aptgetbak
|
|
test "${IS_USRRO:=1}" = 1 && check_usrro
|
|
test "${IS_TMPNOEXEC:=1}" = 1 && check_tmpnoexec
|
|
test "${IS_MOUNT_FSTAB:=1}" = 1 && check_mountfstab
|
|
test "${IS_LISTCHANGESCONF:=1}" = 1 && check_listchangesconf
|
|
test "${IS_CUSTOMCRONTAB:=1}" = 1 && check_customcrontab
|
|
test "${IS_SSHALLOWUSERS:=1}" = 1 && check_sshallowusers
|
|
test "${IS_DISKPERF:=0}" = 1 && check_diskperf
|
|
test "${IS_TMOUTPROFILE:=1}" = 1 && check_tmoutprofile
|
|
test "${IS_ALERT5BOOT:=1}" = 1 && check_alert5boot
|
|
test "${IS_ALERT5MINIFW:=1}" = 1 && check_alert5minifw
|
|
test "${IS_ALERT5MINIFW:=1}" = 1 && test "${IS_MINIFW:=1}" = 1 && check_minifw
|
|
test "${IS_NRPEPERMS:=1}" = 1 && check_nrpeperms
|
|
test "${IS_MINIFWPERMS:=1}" = 1 && check_minifwperms
|
|
test "${IS_NRPEDISKS:=0}" = 1 && check_nrpedisks
|
|
test "${IS_NRPEPID:=1}" = 1 && check_nrpepid
|
|
test "${IS_GRSECPROCS:=1}" = 1 && check_grsecprocs
|
|
test "${IS_APACHEMUNIN:=1}" = 1 && check_apachemunin
|
|
test "${IS_MYSQLUTILS:=1}" = 1 && check_mysqlutils
|
|
test "${IS_RAIDSOFT:=1}" = 1 && check_raidsoft
|
|
test "${IS_AWSTATSLOGFORMAT:=1}" = 1 && check_awstatslogformat
|
|
test "${IS_MUNINLOGROTATE:=1}" = 1 && check_muninlogrotate
|
|
test "${IS_SQUID:=1}" = 1 && check_squid
|
|
test "${IS_EVOMAINTENANCE_FW:=1}" = 1 && check_evomaintenance_fw
|
|
test "${IS_MODDEFLATE:=1}" = 1 && check_moddeflate
|
|
test "${IS_LOG2MAILRUNNING:=1}" = 1 && check_log2mailrunning
|
|
test "${IS_LOG2MAILAPACHE:=1}" = 1 && check_log2mailapache
|
|
test "${IS_LOG2MAILMYSQL:=1}" = 1 && check_log2mailmysql
|
|
test "${IS_LOG2MAILSQUID:=1}" = 1 && check_log2mailsquid
|
|
test "${IS_BINDCHROOT:=1}" = 1 && check_bindchroot
|
|
test "${IS_NETWORK_INTERFACES:=1}" = 1 && check_network_interfaces
|
|
test "${IS_AUTOIF:=1}" = 1 && check_autoif
|
|
test "${IS_INTERFACESGW:=1}" = 1 && check_interfacesgw
|
|
test "${IS_EVOBACKUP:=1}" = 1 && check_evobackup
|
|
test "${IS_EVOBACKUP_EXCLUDE_MOUNT:=1}" = 1 && check_evobackup_exclude_mount
|
|
test "${IS_USERLOGROTATE:=1}" = 1 && check_userlogrotate
|
|
test "${IS_APACHECTL:=1}" = 1 && check_apachectl
|
|
test "${IS_APACHESYMLINK:=1}" = 1 && check_apachesymlink
|
|
test "${IS_APACHEIPINALLOW:=1}" = 1 && check_apacheipinallow
|
|
test "${IS_MUNINAPACHECONF:=1}" = 1 && check_muninapacheconf
|
|
test "${IS_PHPMYADMINAPACHECONF:=1}" = 1 && check_phpmyadminapacheconf
|
|
test "${IS_KERNELUPTODATE:=1}" = 1 && check_kerneluptodate
|
|
test "${IS_UPTIME:=1}" = 1 && check_uptime
|
|
test "${IS_MUNINRUNNING:=1}" = 1 && check_muninrunning
|
|
test "${IS_BACKUPUPTODATE:=1}" = 1 && check_backupuptodate
|
|
test "${IS_ETCGIT:=1}" = 1 && check_etcgit
|
|
test "${IS_GITPERMS:=1}" = 1 && check_gitperms
|
|
test "${IS_NOTUPGRADED:=1}" = 1 && check_notupgraded
|
|
test "${IS_TUNE2FS_M5:=1}" = 1 && check_tune2fs_m5
|
|
test "${IS_BROADCOMFIRMWARE:=1}" = 1 && check_broadcomfirmware
|
|
test "${IS_HARDWARERAIDTOOL:=1}" = 1 && check_hardwareraidtool
|
|
test "${IS_LISTUPGRADE:=1}" = 1 && check_listupgrade
|
|
test "${IS_SQL_BACKUP:=1}" = 1 && check_sql_backup
|
|
test "${IS_POSTGRES_BACKUP:=1}" = 1 && check_postgres_backup
|
|
test "${IS_MONGO_BACKUP:=1}" = 1 && check_mongo_backup
|
|
test "${IS_LDAP_BACKUP:=1}" = 1 && check_ldap_backup
|
|
test "${IS_REDIS_BACKUP:=1}" = 1 && check_redis_backup
|
|
test "${IS_ELASTIC_BACKUP:=1}" = 1 && check_elastic_backup
|
|
test "${IS_DUPLICATE_FS_LABEL:=1}" = 1 && check_duplicate_fs_label
|
|
test "${IS_EVOLIX_USER:=1}" = 1 && check_evolix_user
|
|
test "${IS_EVOACME_CRON:=1}" = 1 && check_evoacme_cron
|
|
test "${IS_EVOACME_LIVELINKS:=1}" = 1 && check_evoacme_livelinks
|
|
test "${IS_APACHE_CONFENABLED:=1}" = 1 && check_apache_confenabled
|
|
test "${IS_MELTDOWN_SPECTRE:=1}" = 1 && check_meltdown_spectre
|
|
test "${IS_OLD_HOME_DIR:=0}" = 1 && check_old_home_dir
|
|
test "${IS_EVOBACKUP_INCS:=1}" = 1 && check_evobackup_incs
|
|
test "${IS_OSPROBER:=1}" = 1 && check_osprober
|
|
test "${IS_JESSIE_BACKPORTS:=1}" = 1 && check_jessie_backports
|
|
test "${IS_APT_VALID_UNTIL:=1}" = 1 && check_apt_valid_until
|
|
test "${IS_CHROOTED_BINARY_UPTODATE:=1}" = 1 && check_chrooted_binary_uptodate
|
|
test "${IS_NGINX_LETSENCRYPT_UPTODATE:=1}" = 1 && check_nginx_letsencrypt_uptodate
|
|
test "${IS_LXC_CONTAINER_RESOLV_CONF:=1}" = 1 && check_lxc_container_resolv_conf
|
|
test "${IS_CHECK_VERSIONS:=1}" = 1 && check_versions
|
|
|
|
if [ -f "${main_output_file}" ]; then
|
|
lines_found=$(wc -l < "${main_output_file}")
|
|
# shellcheck disable=SC2086
|
|
if [ ${lines_found} -gt 0 ]; then
|
|
|
|
cat "${main_output_file}" 2>&1
|
|
fi
|
|
fi
|
|
|
|
exit ${RC}
|
|
}
|
|
cleanup_temp_files() {
|
|
# shellcheck disable=SC2086
|
|
rm -f ${files_to_cleanup}
|
|
}
|
|
|
|
PROGNAME=$(basename "$0")
|
|
# shellcheck disable=SC2034
|
|
readonly PROGNAME
|
|
|
|
# shellcheck disable=SC2124
|
|
ARGS=$@
|
|
readonly ARGS
|
|
|
|
# Disable LANG*
|
|
export LANG=C
|
|
export LANGUAGE=C
|
|
|
|
files_to_cleanup=""
|
|
# shellcheck disable=SC2064
|
|
trap cleanup_temp_files 0
|
|
|
|
# Source configuration file
|
|
# shellcheck disable=SC1091
|
|
test -f /etc/evocheck.cf && . /etc/evocheck.cf
|
|
|
|
# Parse options
|
|
# based on https://gist.github.com/deshion/10d3cb5f88a21671e17a
|
|
while :; do
|
|
case $1 in
|
|
-h|-\?|--help)
|
|
show_help
|
|
exit 0
|
|
;;
|
|
--version)
|
|
show_version
|
|
exit 0
|
|
;;
|
|
--cron)
|
|
IS_KERNELUPTODATE=0
|
|
IS_UPTIME=0
|
|
IS_MELTDOWN_SPECTRE=0
|
|
IS_CHECK_VERSIONS=0
|
|
IS_NETWORKING_SERVICE=0
|
|
;;
|
|
-v|--verbose)
|
|
VERBOSE=1
|
|
;;
|
|
-q|--quiet)
|
|
QUIET=1
|
|
VERBOSE=0
|
|
;;
|
|
--)
|
|
# End of all options.
|
|
shift
|
|
break
|
|
;;
|
|
-?*|[[:alnum:]]*)
|
|
# ignore unknown options
|
|
if [ "${QUIET}" != 1 ]; then
|
|
printf 'WARN: Unknown option (ignored): %s\n' "$1" >&2
|
|
fi
|
|
;;
|
|
*)
|
|
# Default case: If no more options then break out of the loop.
|
|
break
|
|
;;
|
|
esac
|
|
|
|
shift
|
|
done
|
|
|
|
# shellcheck disable=SC2086
|
|
main ${ARGS}
|