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add new version of evocheck.sh
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Ansible Lint |Total|New|Outstanding|Fixed|Trend |:-:|:-:|:-:|:-:|:-: |2646|5|2641|7|:+1: Reference build: <a href="https://jenkins.evolix.org/job/gitea/job/ansible-roles/job/unstable/349//ansiblelint">Evolix » ansible-roles » unstable #349</a>
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Iliane Said 2023-09-18 10:07:36 +02:00
parent 2c98717ebc
commit 4ca17f06c1
1 changed files with 1654 additions and 0 deletions
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evocheck/evocheck.sh Executable file
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#!/bin/bash
# EvoCheck
# Script to verify compliance of a Linux (Debian) server
# powered by Evolix
VERSION="23.07"
readonly VERSION
# base functions
show_version() {
cat <<END
evocheck version ${VERSION}
Copyright 2009-2022 Evolix <info@evolix.fr>,
Romain Dessort <rdessort@evolix.fr>,
Benoit Série <bserie@evolix.fr>,
Gregory Colpart <reg@evolix.fr>,
Jérémy Lecour <jlecour@evolix.fr>,
Tristan Pilat <tpilat@evolix.fr>,
Victor Laborie <vlaborie@evolix.fr>,
Alexis Ben Miloud--Josselin <abenmiloud@evolix.fr>,
and others.
evocheck comes with ABSOLUTELY NO WARRANTY. This is free software,
and you are welcome to redistribute it under certain conditions.
See the GNU General Public License v3.0 for details.
END
}
show_help() {
cat <<END
evocheck is a script that verifies Evolix conventions on Linux (Debian) servers.
Usage: evocheck
or evocheck --cron
or evocheck --quiet
or evocheck --verbose
Options
--cron disable a few checks
-v, --verbose increase verbosity of checks
-q, --quiet nothing is printed on stdout nor stderr
-h, --help print this message and exit
--version print version and exit
END
}
detect_os() {
# OS detection
DEBIAN_RELEASE=""
LSB_RELEASE_BIN=$(command -v lsb_release)
if [ -e /etc/debian_version ]; then
DEBIAN_MAIN_VERSION=$(cut -d "." -f 1 < /etc/debian_version)
if [ "${DEBIAN_MAIN_VERSION}" -lt "9" ]; then
echo "Debian ${DEBIAN_MAIN_VERSION} is incompatible with this version of evocheck." >&2
echo "This version is built for Debian 9 and later." >&2
exit
fi
if [ -x "${LSB_RELEASE_BIN}" ]; then
DEBIAN_RELEASE=$(${LSB_RELEASE_BIN} --codename --short)
else
case ${DEBIAN_MAIN_VERSION} in
9) DEBIAN_RELEASE="stretch";;
10) DEBIAN_RELEASE="buster";;
11) DEBIAN_RELEASE="bullseye";;
12) DEBIAN_RELEASE="bookworm";;
esac
fi
fi
}
is_debian_stretch() {
test "${DEBIAN_RELEASE}" = "stretch"
}
is_debian_buster() {
test "${DEBIAN_RELEASE}" = "buster"
}
is_debian_bullseye() {
test "${DEBIAN_RELEASE}" = "bullseye"
}
is_debian_bookworm() {
test "${DEBIAN_RELEASE}" = "bookworm"
}
is_pack_web(){
test -e /usr/share/scripts/web-add.sh || test -e /usr/share/scripts/evoadmin/web-add.sh
}
is_pack_samba(){
test -e /usr/share/scripts/add.pl
}
is_installed(){
for pkg in "$@"; do
dpkg -l "$pkg" 2> /dev/null | grep -q -E '^(i|h)i' || return 1
done
}
# logging
log() {
date=$(/bin/date +"${DATE_FORMAT}")
if [ "${1}" != '' ]; then
printf "[%s] %s: %s\\n" "$date" "${PROGNAME}" "${1}" >> "${LOGFILE}"
else
while read line; do
printf "[%s] %s: %s\\n" "$date" "${PROGNAME}" "${line}" >> "${LOGFILE}"
done < /dev/stdin
fi
}
failed() {
check_name=$1
shift
check_comments=$*
RC=1
if [ "${QUIET}" != 1 ]; then
if [ -n "${check_comments}" ] && [ "${VERBOSE}" = 1 ]; then
printf "%s FAILED! %s\n" "${check_name}" "${check_comments}" >> "${main_output_file}"
else
printf "%s FAILED!\n" "${check_name}" >> "${main_output_file}"
fi
fi
# Always log verbose
log "${check_name} FAILED! ${check_comments}"
}
# check functions
check_lsbrelease(){
if [ -x "${LSB_RELEASE_BIN}" ]; then
## only the major version matters
lhs=$(${LSB_RELEASE_BIN} --release --short | cut -d "." -f 1)
rhs=$(cut -d "." -f 1 < /etc/debian_version)
test "$lhs" = "$rhs" || failed "IS_LSBRELEASE" "release is not consistent between lsb_release (${lhs}) and /etc/debian_version (${rhs})"
else
failed "IS_LSBRELEASE" "lsb_release is missing or not executable"
fi
}
check_dpkgwarning() {
test -e /etc/apt/apt.conf.d/z-evolinux.conf \
|| failed "IS_DPKGWARNING" "/etc/apt/apt.conf.d/z-evolinux.conf is missing"
}
# Check if localhost, localhost.localdomain and localhost.$mydomain are set in Postfix mydestination option.
check_postfix_mydestination() {
# shellcheck disable=SC2016
if ! grep mydestination /etc/postfix/main.cf | grep --quiet -E 'localhost([[:blank:]]|$)'; then
failed "IS_POSTFIX_MYDESTINATION" "'localhost' is missing in Postfix mydestination option."
fi
if ! grep mydestination /etc/postfix/main.cf | grep --quiet 'localhost\.localdomain'; then
failed "IS_POSTFIX_MYDESTINATION" "'localhost.localdomain' is missing in Postfix mydestination option."
fi
if ! grep mydestination /etc/postfix/main.cf | grep --quiet 'localhost\.\$mydomain'; then
failed "IS_POSTFIX_MYDESTINATION" "'localhost.\$mydomain' is missing in Postfix mydestination option."
fi
}
# Verifying check_mailq in Nagios NRPE config file. (Option "-M postfix" need to be set if the MTA is Postfix)
check_nrpepostfix() {
if is_installed postfix; then
{ test -e /etc/nagios/nrpe.cfg \
&& grep -qr "^command.*check_mailq -M postfix" /etc/nagios/nrpe.*;
} || failed "IS_NRPEPOSTFIX" "NRPE \"check_mailq\" for postfix is missing"
fi
}
# Check if mod-security config file is present
check_customsudoers() {
grep -E -qr "umask=0077" /etc/sudoers* || failed "IS_CUSTOMSUDOERS" "missing umask=0077 in sudoers file"
}
check_vartmpfs() {
FINDMNT_BIN=$(command -v findmnt)
if [ -x "${FINDMNT_BIN}" ]; then
${FINDMNT_BIN} /var/tmp --type tmpfs --noheadings > /dev/null || failed "IS_VARTMPFS" "/var/tmp is not a tmpfs"
else
df /var/tmp | grep -q tmpfs || failed "IS_VARTMPFS" "/var/tmp is not a tmpfs"
fi
}
check_serveurbase() {
is_installed serveur-base || failed "IS_SERVEURBASE" "serveur-base package is not installed"
}
check_logrotateconf() {
test -e /etc/logrotate.d/zsyslog || failed "IS_LOGROTATECONF" "missing zsyslog in logrotate.d"
}
check_syslogconf() {
grep -q "^# Syslog for Pack Evolix serveur" /etc/*syslog.conf \
|| failed "IS_SYSLOGCONF" "syslog evolix config file missing"
}
check_debiansecurity() {
# Look for enabled "Debian-Security" sources from the "Debian" origin
apt-cache policy | grep "\bl=Debian-Security\b" | grep "\bo=Debian\b" | grep --quiet "\bc=main\b"
test $? -eq 0 || failed "IS_DEBIANSECURITY" "missing Debian-Security repository"
}
check_oldpub() {
# Look for enabled pub.evolix.net sources (supersed by pub.evolix.org since Stretch)
apt-cache policy | grep --quiet pub.evolix.net
test $? -eq 1 || failed "IS_OLDPUB" "Old pub.evolix.net repository is still enabled"
}
check_newpub() {
# Look for enabled pub.evolix.org sources
apt-cache policy | grep --quiet pub.evolix.org
test $? -eq 0 || failed "IS_NEWPUB" "New pub.evolix.org repository is missing"
}
check_aptitude() {
test -e /usr/bin/aptitude && failed "IS_APTITUDE" "aptitude may not be installed on Debian >=8"
}
check_aptgetbak() {
test -e /usr/bin/apt-get.bak && failed "IS_APTGETBAK" "prohibit the installation of apt-get.bak with dpkg-divert(1)"
}
check_usrro() {
grep /usr /etc/fstab | grep -qE "\bro\b" || failed "IS_USRRO" "missing ro directive on fstab for /usr"
}
check_tmpnoexec() {
FINDMNT_BIN=$(command -v findmnt)
if [ -x "${FINDMNT_BIN}" ]; then
options=$(${FINDMNT_BIN} --noheadings --first-only --output OPTIONS /tmp)
echo "${options}" | grep -qE "\bnoexec\b" || failed "IS_TMPNOEXEC" "/tmp is not mounted with 'noexec'"
else
mount | grep "on /tmp" | grep -qE "\bnoexec\b" || failed "IS_TMPNOEXEC" "/tmp is not mounted with 'noexec' (WARNING: findmnt(8) is not found)"
fi
}
check_mountfstab() {
# Test if lsblk available, if not skip this test...
LSBLK_BIN=$(command -v lsblk)
if test -x "${LSBLK_BIN}"; then
for mountPoint in $(${LSBLK_BIN} -o MOUNTPOINT -l -n | grep '/'); do
grep -Eq "$mountPoint\W" /etc/fstab \
|| failed "IS_MOUNT_FSTAB" "partition(s) detected mounted but no presence in fstab"
done
fi
}
check_listchangesconf() {
if is_installed apt-listchanges; then
failed "IS_LISTCHANGESCONF" "apt-listchanges must not be installed on Debian >=9"
fi
}
check_customcrontab() {
found_lines=$(grep -c -E "^(17 \*|25 6|47 6|52 6)" /etc/crontab)
test "$found_lines" = 4 && failed "IS_CUSTOMCRONTAB" "missing custom field in crontab"
}
check_sshallowusers() {
grep -E -qir "(AllowUsers|AllowGroups)" /etc/ssh/sshd_config /etc/ssh/sshd_config.d \
|| failed "IS_SSHALLOWUSERS" "missing AllowUsers or AllowGroups directive in sshd_config"
}
check_diskperf() {
perfFile="/root/disk-perf.txt"
test -e $perfFile || failed "IS_DISKPERF" "missing ${perfFile}"
}
check_tmoutprofile() {
grep -sq "TMOUT=" /etc/profile /etc/profile.d/evolinux.sh || failed "IS_TMOUTPROFILE" "TMOUT is not set"
}
check_alert5boot() {
if is_debian_stretch; then
if [ -n "$(find /etc/rc2.d/ -name 'S*alert5')" ]; then
grep -q "^date" /etc/rc2.d/S*alert5 || failed "IS_ALERT5BOOT" "boot mail is not sent by alert5 init script"
elif [ -n "$(find /etc/init.d/ -name 'alert5')" ]; then
grep -q "^date" /etc/init.d/alert5 || failed "IS_ALERT5BOOT" "boot mail is not sent by alert5 int script"
else
failed "IS_ALERT5BOOT" "alert5 init script is missing"
fi
else
grep -qs "^date" /usr/share/scripts/alert5.sh || failed "IS_ALERT5BOOT" "boot mail is not sent by alert5 init script"
if [ -f /etc/systemd/system/alert5.service ]; then
systemctl is-enabled alert5.service -q || failed "IS_ALERT5BOOT" "alert5 unit is not enabled"
else
failed "IS_ALERT5BOOT" "alert5 unit file is missing"
fi
fi
}
check_alert5minifw() {
if is_debian_stretch; then
if [ -n "$(find /etc/rc2.d/ -name 'S*alert5')" ]; then
grep -q "^/etc/init.d/minifirewall" /etc/rc2.d/S*alert5 \
|| failed "IS_ALERT5MINIFW" "Minifirewall is not started by alert5 init script"
elif [ -n "$(find /etc/init.d/ -name 'alert5')" ]; then
grep -q "^/etc/init.d/minifirewall" /etc/init.d/alert5 \
|| failed "IS_ALERT5MINIFW" "Minifirewall is not started by alert5 init script"
else
failed "IS_ALERT5MINIFW" "alert5 init script is missing"
fi
else
grep -qs "^/etc/init.d/minifirewall" /usr/share/scripts/alert5.sh \
|| failed "IS_ALERT5MINIFW" "Minifirewall is not started by alert5 script or script is missing"
fi
}
check_minifw() {
{
if [ -f /etc/systemd/system/minifirewall.service ]; then
systemctl is-active minifirewall > /dev/null 2>&1
else
if test -x /usr/share/scripts/minifirewall_status; then
/usr/share/scripts/minifirewall_status > /dev/null 2>&1
else
/sbin/iptables -L -n 2> /dev/null | grep -q -E "^(DROP\s+(udp|17)|ACCEPT\s+(icmp|1))\s+--\s+0\.0\.0\.0\/0\s+0\.0\.0\.0\/0\s*$"
fi
fi
} || failed "IS_MINIFW" "minifirewall seems not started"
}
check_minifw_includes() {
if is_debian_bullseye; then
if grep -q -e '/sbin/iptables' -e '/sbin/ip6tables' "/etc/default/minifirewall"; then
failed "IS_MINIFWINCLUDES" "minifirewall has direct iptables invocations in /etc/default/minifirewall that should go in /etc/minifirewall.d/"
fi
fi
}
check_nrpeperms() {
if [ -d /etc/nagios ]; then
nagiosDir="/etc/nagios"
actual=$(stat --format "%a" $nagiosDir)
expected="750"
test "$expected" = "$actual" || failed "IS_NRPEPERMS" "${nagiosDir} must be ${expected}"
fi
}
check_minifwperms() {
if [ -f "/etc/default/minifirewall" ]; then
actual=$(stat --format "%a" "/etc/default/minifirewall")
expected="600"
test "$expected" = "$actual" || failed "IS_MINIFWPERMS" "/etc/default/minifirewall must be ${expected}"
fi
}
check_nrpedisks() {
NRPEDISKS=$(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)
DFDISKS=$(df -Pl | grep -c -E -v "(^Filesystem|/lib/init/rw|/dev/shm|udev|rpc_pipefs)")
test "$NRPEDISKS" = "$DFDISKS" || failed "IS_NRPEDISKS" "there must be $DFDISKS check_disk in nrpe.cfg"
}
check_nrpepid() {
if { is_debian_bullseye || is_debian_bookworm ; }; then
{ test -e /etc/nagios/nrpe.cfg \
&& grep -q "^pid_file=/run/nagios/nrpe.pid" /etc/nagios/nrpe.cfg;
} || failed "IS_NRPEPID" "missing or wrong pid_file directive in nrpe.cfg"
else
{ test -e /etc/nagios/nrpe.cfg \
&& grep -q "^pid_file=/var/run/nagios/nrpe.pid" /etc/nagios/nrpe.cfg;
} || failed "IS_NRPEPID" "missing or wrong pid_file directive in nrpe.cfg"
fi
}
check_grsecprocs() {
if uname -a | grep -q grsec; then
{ grep -q "^command.check_total_procs..sudo" /etc/nagios/nrpe.cfg \
&& grep -A1 "^\[processes\]" /etc/munin/plugin-conf.d/munin-node | grep -q "^user root";
} || failed "IS_GRSECPROCS" "missing munin's plugin processes directive for grsec"
fi
}
check_apachemunin() {
if test -e /etc/apache2/apache2.conf; then
{ test -h /etc/apache2/mods-enabled/status.load \
&& test -h /etc/munin/plugins/apache_accesses \
&& test -h /etc/munin/plugins/apache_processes \
&& test -h /etc/munin/plugins/apache_volume;
} || failed "IS_APACHEMUNIN" "missing munin plugins for Apache"
fi
}
# Verification mytop + Munin si MySQL
check_mysqlutils() {
MYSQL_ADMIN=${MYSQL_ADMIN:-mysqladmin}
if is_installed mysql-server; then
# With Debian 11 and later, root can connect to MariaDB with the socket
if is_debian_stretch || is_debian_buster; then
# You can configure MYSQL_ADMIN in evocheck.cf
if ! grep -qs "^user *= *${MYSQL_ADMIN}" /root/.my.cnf; then
failed "IS_MYSQLUTILS" "${MYSQL_ADMIN} missing in /root/.my.cnf"
fi
fi
if ! test -x /usr/bin/mytop; then
if ! test -x /usr/local/bin/mytop; then
failed "IS_MYSQLUTILS" "mytop binary missing"
fi
fi
if ! grep -qs '^user *=' /root/.mytop; then
failed "IS_MYSQLUTILS" "credentials missing in /root/.mytop"
fi
fi
}
# Verification de la configuration du raid soft (mdadm)
check_raidsoft() {
if test -e /proc/mdstat && grep -q md /proc/mdstat; then
{ grep -q "^AUTOCHECK=true" /etc/default/mdadm \
&& grep -q "^START_DAEMON=true" /etc/default/mdadm \
&& grep -qv "^MAILADDR ___MAIL___" /etc/mdadm/mdadm.conf;
} || failed "IS_RAIDSOFT" "missing or wrong config for mdadm"
fi
}
# Verification du LogFormat de AWStats
check_awstatslogformat() {
if is_installed apache2 awstats; then
awstatsFile="/etc/awstats/awstats.conf.local"
grep -qE '^LogFormat=1' $awstatsFile \
|| failed "IS_AWSTATSLOGFORMAT" "missing or wrong LogFormat directive in $awstatsFile"
fi
}
# Verification de la présence de la config logrotate pour Munin
check_muninlogrotate() {
{ test -e /etc/logrotate.d/munin-node \
&& test -e /etc/logrotate.d/munin;
} || failed "IS_MUNINLOGROTATE" "missing lorotate file for munin"
}
# Verification de l'activation de Squid dans le cas d'un pack mail
check_squid() {
squidconffile="/etc/squid/evolinux-custom.conf"
if is_pack_web && (is_installed squid || is_installed squid3); then
host=$(hostname -i)
# shellcheck disable=SC2086
http_port=$(grep -E "^http_port\s+[0-9]+" $squidconffile | awk '{ print $2 }')
{ grep -qE "^[^#]*iptables -t nat -A OUTPUT -p tcp --dport 80 -m owner --uid-owner proxy -j ACCEPT" "/etc/default/minifirewall" \
&& grep -qE "^[^#]*iptables -t nat -A OUTPUT -p tcp --dport 80 -d $host -j ACCEPT" "/etc/default/minifirewall" \
&& grep -qE "^[^#]*iptables -t nat -A OUTPUT -p tcp --dport 80 -d 127.0.0.(1|0/8) -j ACCEPT" "/etc/default/minifirewall" \
&& grep -qE "^[^#]*iptables -t nat -A OUTPUT -p tcp --dport 80 -j REDIRECT --to-port.* $http_port" "/etc/default/minifirewall";
} || grep -qE "^PROXY='?on'?" "/etc/default/minifirewall" \
|| failed "IS_SQUID" "missing squid rules in minifirewall"
fi
}
check_evomaintenance_fw() {
if [ -f "/etc/default/minifirewall" ]; then
hook_db=$(grep -E '^\s*HOOK_DB' /etc/evomaintenance.cf | tr -d ' ' | cut -d= -f2)
rulesNumber=$(grep -c "/sbin/iptables -A INPUT -p tcp --sport 5432 --dport 1024:65535 -s .* -m state --state ESTABLISHED,RELATED -j ACCEPT" "/etc/default/minifirewall")
if [ "$hook_db" = "1" ] && [ "$rulesNumber" -lt 2 ]; then
failed "IS_EVOMAINTENANCE_FW" "HOOK_DB is enabled but missing evomaintenance rules in minifirewall"
fi
fi
}
# Verification de la conf et de l'activation de mod-deflate
check_moddeflate() {
f=/etc/apache2/mods-enabled/deflate.conf
if is_installed apache2.2; then
{ test -e $f && grep -q "AddOutputFilterByType DEFLATE text/html text/plain text/xml" $f \
&& grep -q "AddOutputFilterByType DEFLATE text/css" $f \
&& grep -q "AddOutputFilterByType DEFLATE application/x-javascript application/javascript" $f;
} || failed "IS_MODDEFLATE" "missing AddOutputFilterByType directive for apache mod deflate"
fi
}
# Verification de la conf log2mail
check_log2mailrunning() {
if is_pack_web && is_installed log2mail; then
pgrep log2mail >/dev/null || failed "IS_LOG2MAILRUNNING" "log2mail is not running"
fi
}
check_log2mailapache() {
conf=/etc/log2mail/config/apache
if is_pack_web && is_installed log2mail; then
grep -s -q "^file = /var/log/apache2/error.log" $conf \
|| failed "IS_LOG2MAILAPACHE" "missing log2mail directive for apache"
fi
}
check_log2mailmysql() {
if is_pack_web && is_installed log2mail; then
grep -s -q "^file = /var/log/syslog" /etc/log2mail/config/{default,mysql,mysql.conf} \
|| failed "IS_LOG2MAILMYSQL" "missing log2mail directive for mysql"
fi
}
check_log2mailsquid() {
if is_pack_web && is_installed log2mail; then
grep -s -q "^file = /var/log/squid.*/access.log" /etc/log2mail/config/* \
|| failed "IS_LOG2MAILSQUID" "missing log2mail directive for squid"
fi
}
# Verification si bind est chroote
check_bindchroot() {
if is_installed bind9; then
if netstat -utpln | grep "/named" | grep :53 | grep -qvE "(127.0.0.1|::1)"; then
default_conf=/etc/default/named
if is_debian_buster || is_debian_stretch; then
default_conf=/etc/default/bind9
fi
if grep -q '^OPTIONS=".*-t' "${default_conf}" && grep -q '^OPTIONS=".*-u' "${default_conf}"; then
md5_original=$(md5sum /usr/sbin/named | cut -f 1 -d ' ')
md5_chrooted=$(md5sum /var/chroot-bind/usr/sbin/named | cut -f 1 -d ' ')
if [ "$md5_original" != "$md5_chrooted" ]; then
failed "IS_BINDCHROOT" "the chrooted bind binary is different than the original binary"
fi
else
failed "IS_BINDCHROOT" "bind process is not chrooted"
fi
fi
fi
}
# /etc/network/interfaces should be present, we don't manage systemd-network yet
check_network_interfaces() {
if ! test -f /etc/network/interfaces; then
IS_AUTOIF=0
IS_INTERFACESGW=0
failed "IS_NETWORK_INTERFACES" "systemd network configuration is not supported yet"
fi
}
# Verify if all if are in auto
check_autoif() {
interfaces=$(/sbin/ip address show up | grep "^[0-9]*:" | grep -E -v "(lo|vnet|docker|veth|tun|tap|macvtap|vrrp|lxcbr|wg)" | cut -d " " -f 2 | tr -d : | cut -d@ -f1 | 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 "$number" -gt 1 && failed "IS_INTERFACESGW" "there is more than 1 IPv6 gateway"
}
# Verification de l’état du service networking
check_networking_service() {
if systemctl is-enabled networking.service > /dev/null; then
if ! systemctl is-active networking.service > /dev/null; then
failed "IS_NETWORKING_SERVICE" "networking.service is not active"
fi
fi
}
# Verification de la mise en place d'evobackup
check_evobackup() {
evobackup_found=$(find /etc/cron* -name '*evobackup*' | wc -l)
test "$evobackup_found" -gt 0 || failed "IS_EVOBACKUP" "missing evobackup cron"
}
# Vérification de la mise en place d'un cron de purge de la base SQLite de Fail2ban
check_fail2ban_purge() {
if is_debian_stretch || is_debian_buster; then
if is_installed fail2ban; then
test -f /etc/cron.daily/fail2ban_dbpurge || failed "IS_FAIL2BAN_PURGE" "missing script fail2ban_dbpurge cron"
fi
fi
}
# Vérification qu'il ne reste pas des jails nommées ssh non renommées en sshd
check_ssh_fail2ban_jail_renamed() {
if is_installed fail2ban && [ -f /etc/fail2ban/jail.local ]; then
if grep --quiet --fixed-strings "[ssh]" /etc/fail2ban/jail.local; then
failed "IS_SSH_FAIL2BAN_JAIL_RENAMED" "Jail ssh must be renamed sshd in fail2ban >= 0.9."
fi
fi
}
# Vérification de l'exclusion des montages (NFS) dans les sauvegardes
check_evobackup_exclude_mount() {
excludes_file=$(mktemp --tmpdir "evocheck.evobackup_exclude_mount.XXXXX")
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
# old releases of evobackups don't have version
if grep -q "^VERSION=" "${evobackup_file}"; then
evobackup_version=$(sed -E -n 's/VERSION="(.*)"/\1/p' "${evobackup_file}")
# versions over 22.12 use a new syntax to exclude rsync files
if dpkg --compare-versions "$evobackup_version" ge 22.12 ; then
sed -En '/RSYNC_EXCLUDES="/,/"/ {s/(RSYNC_EXCLUDES=|")//g;p}' > "${excludes_file}"
else
grep -- "--exclude " "${evobackup_file}" | grep -E -o "\"[^\"]+\"" | tr -d '"' > "${excludes_file}"
fi
fi
not_excluded=$(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 "$(zgrep --no-filename --no-messages upgrade /var/log/dpkg.log* | sort -n | tail -1 | cut -f1 -d ' ')")
fi
if grep -qs '^mailto="listupgrade-todo@' /etc/evolinux/listupgrade.cnf \
|| grep -qs -E '^[[:digit:]]+[[:space:]]+[[:digit:]]+[[:space:]]+[^\*]' /etc/cron.d/listupgrade; then
# Manual upgrade process
limit=$(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_evolinuxsudogroup() {
if grep -q "^evolinux-sudo:" /etc/group; then
if [ -f /etc/sudoers.d/evolinux ]; then
grep -qE '^%evolinux-sudo +ALL ?= ?\(ALL:ALL\) ALL' /etc/sudoers.d/evolinux \
|| failed "IS_EVOLINUXSUDOGROUP" "missing evolinux-sudo directive in sudoers file"
fi
fi
}
check_userinadmgroup() {
users=$(grep "^evolinux-sudo:" /etc/group | awk -F: '{print $4}' | tr ',' ' ')
for user in $users; do
if ! groups "$user" | grep -q adm; then
failed "IS_USERINADMGROUP" "User $user doesn't belong to \`adm' group"
test "${VERBOSE}" = 1 || break
fi
done
}
check_apache2evolinuxconf() {
if is_installed apache2; then
{ test -L /etc/apache2/conf-enabled/z-evolinux-defaults.conf \
&& test -L /etc/apache2/conf-enabled/zzz-evolinux-custom.conf \
&& test -f /etc/apache2/ipaddr_whitelist.conf;
} || failed "IS_APACHE2EVOLINUXCONF" "missing custom evolinux apache config"
fi
}
check_backportsconf() {
grep -qsE "^[^#].*backports" /etc/apt/sources.list \
&& failed "IS_BACKPORTSCONF" "backports can't be in main sources list"
if grep -qsE "^[^#].*backports" /etc/apt/sources.list.d/*.list; then
grep -qsE "^[^#].*backports" /etc/apt/preferences.d/* \
|| failed "IS_BACKPORTSCONF" "backports must have preferences"
fi
}
check_bind9munin() {
if is_installed bind9; then
{ test -L /etc/munin/plugins/bind9 \
&& test -e /etc/munin/plugin-conf.d/bind9;
} || failed "IS_BIND9MUNIN" "missing bind plugin for munin"
fi
}
check_bind9logrotate() {
if is_installed bind9; then
test -e /etc/logrotate.d/bind9 || failed "IS_BIND9LOGROTATE" "missing bind logrotate file"
fi
}
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 ${PATH}"
fi
}
check_log2mailsystemdunit() {
systemctl -q is-active log2mail.service \
|| failed "IS_LOG2MAILSYSTEMDUNIT" "log2mail unit not running"
test -f /etc/systemd/system/log2mail.service \
|| failed "IS_LOG2MAILSYSTEMDUNIT" "missing log2mail unit file"
test -f /etc/init.d/log2mail \
&& failed "IS_LOG2MAILSYSTEMDUNIT" "/etc/init.d/log2mail may be deleted (use systemd unit)"
}
check_listupgrade() {
test -f /etc/cron.d/listupgrade \
|| failed "IS_LISTUPGRADE" "missing listupgrade cron"
test -x /usr/share/scripts/listupgrade.sh \
|| failed "IS_LISTUPGRADE" "missing listupgrade script or not executable"
}
check_mariadbevolinuxconf() {
if is_installed mariadb-server; then
{ test -f /etc/mysql/mariadb.conf.d/z-evolinux-defaults.cnf \
&& test -f /etc/mysql/mariadb.conf.d/zzz-evolinux-custom.cnf;
} || failed "IS_MARIADBEVOLINUXCONF" "missing mariadb custom config"
fi
}
check_sql_backup() {
if (is_installed "mysql-server" || is_installed "mariadb-server"); then
# You could change the default path in /etc/evocheck.cf
SQL_BACKUP_PATH=${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, for example:
# REDIS_BACKUP_PATH='/home/backup/redis-instance1/dump.rdb /home/backup/redis-instance2/dump.rdb'
# Warning : this script doesn't handle spaces in file paths !
REDIS_BACKUP_PATH="${REDIS_BACKUP_PATH:-$(find /home/backup/ -iname "*.rdb*")}"
# Check number of dumps
n_instances=$(pgrep 'redis-server' | wc -l)
n_dumps=$(echo $REDIS_BACKUP_PATH | wc -w)
if [ ${n_dumps} -lt ${n_instances} ]; then
failed "IS_REDIS_BACKUP" "Missing Redis dump : ${n_instances} instance(s) found versus ${n_dumps} dump(s) found."
fi
# Check last dump date
age_threshold=$(date +"%s" -d "now - 2 days")
for dump in ${REDIS_BACKUP_PATH}; do
last_update=$(stat -c "%Z" $dump)
if [ "${last_update}" -lt "${age_threshold}" ]; then
failed "IS_REDIS_BACKUP" "Redis dump ${dump} is older than 2 days."
fi
done
fi
}
check_elastic_backup() {
if is_installed elasticsearch; then
# You could change the default path in /etc/evocheck.cf
ELASTIC_BACKUP_PATH=${ELASTIC_BACKUP_PATH:-"/home/backup-elasticsearch"}
test -d "$ELASTIC_BACKUP_PATH" || failed "IS_ELASTIC_BACKUP" "Elastic snapshot is missing (${ELASTIC_BACKUP_PATH})"
fi
}
check_mariadbsystemdunit() {
# TODO: check if it is still needed for bullseye
if is_debian_stretch || is_debian_buster; then
if is_installed mariadb-server; then
if systemctl -q is-active mariadb.service; then
test -f /etc/systemd/system/mariadb.service.d/evolinux.conf \
|| failed "IS_MARIADBSYSTEMDUNIT" "missing systemd override for mariadb unit"
fi
fi
fi
}
check_mysqlmunin() {
if is_installed mariadb-server; then
for file in mysql_bytes mysql_queries mysql_slowqueries \
mysql_threads mysql_connections mysql_files_tables \
mysql_innodb_bpool mysql_innodb_bpool_act mysql_innodb_io \
mysql_innodb_log mysql_innodb_rows mysql_innodb_semaphores \
mysql_myisam_indexes mysql_qcache mysql_qcache_mem \
mysql_sorts mysql_tmp_tables; do
if [[ ! -L /etc/munin/plugins/$file ]]; then
failed "IS_MYSQLMUNIN" "missing munin plugin '$file'"
test "${VERBOSE}" = 1 || break
fi
done
munin-run mysql_commands 2> /dev/null > /dev/null
test $? -eq 0 || failed "IS_MYSQLMUNIN" "Munin plugin mysql_commands returned an error"
fi
}
check_mysqlnrpe() {
if is_installed mariadb-server; then
nagios_file=~nagios/.my.cnf
if ! test -f ${nagios_file}; then
failed "IS_MYSQLNRPE" "${nagios_file} is missing"
elif [ "$(stat -c %U ${nagios_file})" != "nagios" ] \
|| [ "$(stat -c %a ${nagios_file})" != "600" ]; then
failed "IS_MYSQLNRPE" "${nagios_file} has wrong permissions"
else
grep -q -F "command[check_mysql]=/usr/lib/nagios/plugins/check_mysql" /etc/nagios/nrpe.d/evolix.cfg \
|| failed "IS_MYSQLNRPE" "check_mysql is missing"
fi
fi
}
check_phpevolinuxconf() {
is_debian_stretch && phpVersion="7.0"
is_debian_buster && phpVersion="7.3"
is_debian_bullseye && phpVersion="7.4"
if is_installed php; then
{ test -f "/etc/php/${phpVersion}/cli/conf.d/z-evolinux-defaults.ini" \
&& test -f "/etc/php/${phpVersion}/cli/conf.d/zzz-evolinux-custom.ini"
} || failed "IS_PHPEVOLINUXCONF" "missing php evolinux config"
fi
}
check_squidlogrotate() {
if is_installed squid; then
grep -q -e monthly -e daily /etc/logrotate.d/squid \
|| failed "IS_SQUIDLOGROTATE" "missing squid logrotate file"
fi
}
check_squidevolinuxconf() {
if is_installed squid; then
{ grep -qs "^CONFIG=/etc/squid/evolinux-defaults.conf$" /etc/default/squid \
&& test -f /etc/squid/evolinux-defaults.conf \
&& test -f /etc/squid/evolinux-whitelist-defaults.conf \
&& test -f /etc/squid/evolinux-whitelist-custom.conf \
&& test -f /etc/squid/evolinux-acl.conf \
&& test -f /etc/squid/evolinux-httpaccess.conf \
&& test -f /etc/squid/evolinux-custom.conf;
} || failed "IS_SQUIDEVOLINUXCONF" "missing squid evolinux config"
fi
}
check_duplicate_fs_label() {
# Do it only if thereis blkid binary
BLKID_BIN=$(command -v blkid)
if [ -n "$BLKID_BIN" ]; then
tmpFile=$(mktemp --tmpdir "evocheck.duplicate_fs_label.XXXXX")
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 "${VERBOSE}" = 1 || break
fi
done
fi
fi
}
check_apache_confenabled() {
# Starting from Jessie and Apache 2.4, /etc/apache2/conf.d/
# must be replaced by conf-available/ and config files symlinked
# to conf-enabled/
if [ -f /etc/apache2/apache2.conf ]; then
test -d /etc/apache2/conf.d/ \
&& failed "IS_APACHE_CONFENABLED" "apache's conf.d directory must not exists"
grep -q 'Include conf.d' /etc/apache2/apache2.conf \
&& failed "IS_APACHE_CONFENABLED" "apache2.conf must not Include conf.d"
fi
}
check_meltdown_spectre() {
# /sys/devices/system/cpu/vulnerabilities/
for vuln in meltdown spectre_v1 spectre_v2; do
test -f "/sys/devices/system/cpu/vulnerabilities/$vuln" \
|| failed "IS_MELTDOWN_SPECTRE" "vulnerable to $vuln"
test "${VERBOSE}" = 1 || break
done
}
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"
if is_debian_stretch; then
# Noop, we'll use the default $sshd_args
:
elif is_debian_buster; then
sshd_args="${sshd_args},rdomain="
else
# NOTE: From Debian Bullseye 11 onward, with OpenSSH 8.1, the argument
# -T doesn't require the additional -C.
sshd_args=
fi
# shellcheck disable=SC2086
if ! (sshd -T ${sshd_args} 2> /dev/null | grep -qi 'permitrootlogin no'); then
failed "IS_SSHPERMITROOTNO" "PermitRoot should be set to no"
fi
}
check_evomaintenanceusers() {
users=$(getent group evolinux-sudo | cut -d':' -f4 | tr ',' ' ')
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_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 ${snippet} is not compatible with Nginx on Debian 9+."
fi
done <<< "${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 ${container}"
fi
done
fi
}
# Check that there are containers if lxc is installed.
check_no_lxc_container() {
if is_installed lxc; then
containers_count=$(lxc-ls | wc -l)
if [ "$containers_count" -eq 0 ]; then
failed "IS_NO_LXC_CONTAINER" "LXC is installed but have no container. Consider removing it."
fi
fi
}
# Check that in LXC containers, phpXX-fpm services have UMask set to 0007.
check_lxc_php_fpm_service_umask_set() {
if is_installed lxc; then
php_containers_list=$(lxc-ls --filter php)
missing_umask=""
for container in $php_containers_list; do
# Translate container name in service name
if [ "$container" = "php56" ]; then
service="php5-fpm"
else
service="${container:0:4}.${container:4}-fpm"
fi
umask=$(lxc-attach --name "${container}" -- systemctl show -p UMask "$service" | cut -d "=" -f2)
if [ "$umask" != "0007" ]; then
missing_umask="${missing_umask} ${container}"
fi
done
if [ -n "${missing_umask}" ]; then
failed "IS_LXC_PHP_FPM_SERVICE_UMASK_SET" "UMask is not set to 0007 in PHP-FPM services of theses containers : ${missing_umask}."
fi
fi
}
download_versions() {
local file
file=${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=$(mktemp --tmpdir "evocheck.versions.XXXXX")
files_to_cleanup+=("${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 "evocheck.main.XXXXX")
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_DPKGWARNING:=1}" = 1 && check_dpkgwarning
test "${IS_POSTFIX_MYDESTINATION:=1}" = 1 && check_postfix_mydestination
test "${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 "${IS_OLDPUB:=1}" = 1 && check_oldpub
test "${IS_NEWPUB:=1}" = 1 && check_newpub
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
# Enable when minifirewall is released
test "${IS_MINIFWINCLUDES:=0}" = 1 && check_minifw_includes
test "${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 "${IS_NETWORKING_SERVICE:=1}" = 1 && check_networking_service
test "${IS_EVOBACKUP:=1}" = 1 && check_evobackup
test "${IS_PURGE_FAIL2BAN:=1}" = 1 && check_fail2ban_purge
test "${IS_SSH_FAIL2BAN_JAIL_RENAMED:=1}" = 1 && check_ssh_fail2ban_jail_renamed
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_EVOLINUXSUDOGROUP:=1}" = 1 && check_evolinuxsudogroup
test "${IS_USERINADMGROUP:=1}" = 1 && check_userinadmgroup
test "${IS_APACHE2EVOLINUXCONF:=1}" = 1 && check_apache2evolinuxconf
test "${IS_BACKPORTSCONF:=1}" = 1 && check_backportsconf
test "${IS_BIND9MUNIN:=1}" = 1 && check_bind9munin
test "${IS_BIND9LOGROTATE:=1}" = 1 && check_bind9logrotate
test "${IS_BROADCOMFIRMWARE:=1}" = 1 && check_broadcomfirmware
test "${IS_HARDWARERAIDTOOL:=1}" = 1 && check_hardwareraidtool
test "${IS_LOG2MAILSYSTEMDUNIT:=1}" = 1 && check_log2mailsystemdunit
test "${IS_LISTUPGRADE:=1}" = 1 && check_listupgrade
test "${IS_MARIADBEVOLINUXCONF:=0}" = 1 && check_mariadbevolinuxconf
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 "${IS_MARIADBSYSTEMDUNIT:=1}" = 1 && check_mariadbsystemdunit
test "${IS_MYSQLMUNIN:=1}" = 1 && check_mysqlmunin
test "${IS_MYSQLNRPE:=1}" = 1 && check_mysqlnrpe
test "${IS_PHPEVOLINUXCONF:=0}" = 1 && check_phpevolinuxconf
test "${IS_SQUIDLOGROTATE:=1}" = 1 && check_squidlogrotate
test "${IS_SQUIDEVOLINUXCONF:=1}" = 1 && check_squidevolinuxconf
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_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_NO_LXC_CONTAINER:=1}" = 1 && check_no_lxc_container
test "${IS_LXC_PHP_FPM_SERVICE_UMASK_SET:=1}" = 1 && check_lxc_php_fpm_service_umask_set
test "${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
<