From c96f28e47b6c6e48f77009bdd66d21bd007cf876 Mon Sep 17 00:00:00 2001 From: Jeremy Lecour Date: Sun, 27 Nov 2022 22:14:39 +0100 Subject: [PATCH] evocheck: install script according to Debian version --- CHANGELOG.md | 1 + evocheck/files/evocheck.jessie.sh | 1307 +++++++++++++++++++++++++++++ evocheck/files/evocheck.sh | 570 ++++--------- evocheck/files/evocheck.wheezy.sh | 1252 +++++++++++++++++++++++++++ evocheck/tasks/install.yml | 17 +- 5 files changed, 2749 insertions(+), 398 deletions(-) create mode 100755 evocheck/files/evocheck.jessie.sh create mode 100755 evocheck/files/evocheck.wheezy.sh diff --git a/CHANGELOG.md b/CHANGELOG.md index f0d8879a..6fa86d5d 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -24,6 +24,7 @@ The **patch** part changes is incremented if multiple releases happen the same m ### Changed +* evocheck: install script according to Debian version * evolinux-base: utils.yml can be excluded * evolinux-todo: execute tasks only for Debian distribution (because this task is a dependency for others roles used on different distributions) * evolinux-user: Add sudoers privilege for chck php\_fpm81 diff --git a/evocheck/files/evocheck.jessie.sh b/evocheck/files/evocheck.jessie.sh new file mode 100755 index 00000000..a5a32a5a --- /dev/null +++ b/evocheck/files/evocheck.jessie.sh @@ -0,0 +1,1307 @@ +#!/bin/bash + +# EvoCheck +# Script to verify compliance of a Linux (Debian) server +# powered by Evolix + +VERSION="22.11" +readonly VERSION + +# base functions + +show_version() { + cat <, + Romain Dessort , + Benoit Série , + Gregory Colpart , + Jérémy Lecour , + Tristan Pilat , + Victor Laborie , + Alexis Ben Miloud--Josselin , + 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 <&2 + echo "This version is built for Debian 8 only." >&2 + exit + fi + + DEBIAN_RELEASE="jessie" + fi +} + +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 + +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 +} + +# 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 +} + +# 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 $? -eq 0 || failed "IS_DEBIANSECURITY" "missing Debian-Security repository" +} +check_aptitude() { + test -e /usr/bin/aptitude && failed "IS_APTITUDE" "aptitude may not be installed on Debian >=8" +} +check_aptgetbak() { + test -e /usr/bin/apt-get.bak && failed "IS_APTGETBAK" "prohibit the installation of apt-get.bak with dpkg-divert(1)" +} +check_usrro() { + grep /usr /etc/fstab | grep -qE "\bro\b" || failed "IS_USRRO" "missing ro directive on fstab for /usr" +} +check_tmpnoexec() { + FINDMNT_BIN=$(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 "$mountPoint\W" /etc/fstab \ + || failed "IS_MOUNT_FSTAB" "partition(s) detected mounted but no presence in fstab" + done + fi +} +check_listchangesconf() { + if [ -e "/etc/apt/listchanges.conf" ]; then + lines=$(grep -cE "(which=both|confirm=1)" /etc/apt/listchanges.conf) + if [ "$lines" != 2 ]; then + failed "IS_LISTCHANGESCONF" "apt-listchanges config is incorrect" + fi + else + failed "IS_LISTCHANGESCONF" "apt-listchanges config is missing" + fi +} +check_customcrontab() { + found_lines=$(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 ${perfFile}" +} +check_tmoutprofile() { + grep -sq "TMOUT=" /etc/profile /etc/profile.d/evolinux.sh || failed "IS_TMOUTPROFILE" "TMOUT is not set" +} +check_alert5boot() { + if [ -n "$(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 "$(find /etc/init.d/ -name 'alert5')" ]; then + grep -q "^date" /etc/init.d/alert5 || failed "IS_ALERT5BOOT" "boot mail is not sent by alert5 int script" + else + failed "IS_ALERT5BOOT" "alert5 init script is missing" + fi +} +check_alert5minifw() { + if [ -n "$(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 "$(find /etc/init.d/ -name 'alert5')" ]; then + grep -q "^/etc/init.d/minifirewall" /etc/init.d/alert5 \ + || failed "IS_ALERT5MINIFW" "Minifirewall is not started by alert5 init script" + else + failed "IS_ALERT5MINIFW" "alert5 init script is missing" + fi +} +check_minifw() { + /sbin/iptables -L -n | grep -q -E "^ACCEPT\s*all\s*--\s*31\.170\.8\.4\s*0\.0\.0\.0/0\s*$" \ + || failed "IS_MINIFW" "minifirewall seems not started" +} +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() { + { 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" +} +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 + pattern="/server-status-[[:alnum:]]{4,}" + { grep -r -q -s -E "^env.url.*${pattern}" /etc/munin/plugin-conf.d \ + && { grep -q -s -E "${pattern}" /etc/apache2/apache2.conf \ + || grep -q -s -E "${pattern}" /etc/apache2/mods-enabled/status.conf; + }; + } || failed "IS_APACHEMUNIN" "server status is not properly configured" + fi +} +# Verification mytop + Munin si MySQL +check_mysqlutils() { + MYSQL_ADMIN=${MYSQL_ADMIN:-mysqladmin} + if is_installed mysql-server; 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 + 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 $awstatsFile" + fi +} +# Verification de la présence de la config logrotate pour Munin +check_muninlogrotate() { + { test -e /etc/logrotate.d/munin-node \ + && test -e /etc/logrotate.d/munin; + } || failed "IS_MUNINLOGROTATE" "missing lorotate file for munin" +} +# Verification de l'activation de Squid dans le cas d'un pack mail +check_squid() { + squidconffile="/etc/squid*/squid.conf" + if is_pack_web && (is_installed squid || is_installed squid3); then + host=$(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/default + if is_pack_web && is_installed log2mail; then + grep -s -q "^file = /var/log/apache2/error.log" $conf \ + || failed "IS_LOG2MAILAPACHE" "missing log2mail directive for apache" + fi +} +check_log2mailmysql() { + if is_pack_web && is_installed log2mail; then + grep -s -q "^file = /var/log/syslog" /etc/log2mail/config/{default,mysql,mysql.conf} \ + || failed "IS_LOG2MAILMYSQL" "missing log2mail directive for mysql" + fi +} +check_log2mailsquid() { + if is_pack_web && is_installed log2mail; then + grep -s -q "^file = /var/log/squid.*/access.log" /etc/log2mail/config/* \ + || failed "IS_LOG2MAILSQUID" "missing log2mail directive for squid" + fi +} +# Verification si bind est chroote +check_bindchroot() { + if is_installed bind9; then + if netstat -utpln | grep "/named" | grep :53 | grep -qvE "(127.0.0.1|::1)"; then + if grep -q '^OPTIONS=".*-t' /etc/default/bind9 && grep -q '^OPTIONS=".*-u' /etc/default/bind9; then + md5_original=$(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/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 " \ + && 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 ${ARGS} diff --git a/evocheck/files/evocheck.sh b/evocheck/files/evocheck.sh index 7c01da51..c5cd8fbd 100644 --- a/evocheck/files/evocheck.sh +++ b/evocheck/files/evocheck.sh @@ -4,7 +4,7 @@ # Script to verify compliance of a Linux (Debian) server # powered by Evolix -VERSION="22.09" +VERSION="22.11" readonly VERSION # base functions @@ -52,16 +52,19 @@ detect_os() { LSB_RELEASE_BIN=$(command -v lsb_release) if [ -e /etc/debian_version ]; then - DEBIAN_VERSION=$(cut -d "." -f 1 < /etc/debian_version) + DEBIAN_MAIN_VERSION=$(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_VERSION} in - 5) DEBIAN_RELEASE="lenny";; - 6) DEBIAN_RELEASE="squeeze";; - 7) DEBIAN_RELEASE="wheezy";; - 8) DEBIAN_RELEASE="jessie";; - 9) DEBIAN_RELEASE="stretch";; + case ${DEBIAN_MAIN_VERSION} in + 9) DEBIAN_RELEASE="stretch";; 10) DEBIAN_RELEASE="buster";; 11) DEBIAN_RELEASE="bullseye";; 12) DEBIAN_RELEASE="bookworm";; @@ -70,21 +73,6 @@ detect_os() { fi } -is_debian() { - test -n "${DEBIAN_RELEASE}" -} -is_debian_lenny() { - test "${DEBIAN_RELEASE}" = "lenny" -} -is_debian_squeeze() { - test "${DEBIAN_RELEASE}" = "squeeze" -} -is_debian_wheezy() { - test "${DEBIAN_RELEASE}" = "wheezy" -} -is_debian_jessie() { - test "${DEBIAN_RELEASE}" = "jessie" -} is_debian_stretch() { test "${DEBIAN_RELEASE}" = "stretch" } @@ -97,12 +85,6 @@ is_debian_bullseye() { is_debian_bookworm() { test "${DEBIAN_RELEASE}" = "bookworm" } -debian_release() { - printf "%s" "${DEBIAN_RELEASE}" -} -debian_version() { - printf "%s" "${DEBIAN_VERSION}" -} is_pack_web(){ test -e /usr/share/scripts/web-add.sh || test -e /usr/share/scripts/evoadmin/web-add.sh @@ -115,16 +97,6 @@ is_installed(){ dpkg -l "$pkg" 2> /dev/null | grep -q -E '^(i|h)i' || return 1 done } -minifirewall_file() { - case ${DEBIAN_RELEASE} in - lenny) echo "/etc/firewall.rc" ;; - squeeze) echo "/etc/firewall.rc" ;; - wheezy) echo "/etc/firewall.rc" ;; - jessie) echo "/etc/default/minifirewall" ;; - stretch) echo "/etc/default/minifirewall" ;; - *) echo "/etc/default/minifirewall" ;; - esac -} # logging @@ -156,54 +128,18 @@ check_lsbrelease(){ fi } check_dpkgwarning() { - if is_debian_squeeze; then - if [ "$IS_USRRO" = 1 ] || [ "$IS_TMPNOEXEC" = 1 ]; then - count=$(grep -c -E -i "(Pre-Invoke ..echo Are you sure to have rw on|Post-Invoke ..echo Dont forget to mount -o remount)" /etc/apt/apt.conf) - test "$count" = 2 || failed "IS_DPKGWARNING" "Pre/Post-Invoke are missing." - fi - elif is_debian_wheezy; then - if [ "$IS_USRRO" = 1 ] || [ "$IS_TMPNOEXEC" = 1 ]; then - test -e /etc/apt/apt.conf.d/80evolinux \ - || failed "IS_DPKGWARNING" "/etc/apt/apt.conf.d/80evolinux is missing" - test -e /etc/apt/apt.conf \ - && failed "IS_DPKGWARNING" "/etc/apt/apt.conf is missing" - fi - elif is_debian_stretch || is_debian_buster || is_debian_bullseye; then - test -e /etc/apt/apt.conf.d/z-evolinux.conf \ - || failed "IS_DPKGWARNING" "/etc/apt/apt.conf.d/z-evolinux.conf is missing" - fi -} -check_umasksudoers(){ - if is_debian_squeeze; then - grep -q "^Defaults.*umask=0077" /etc/sudoers \ - || failed "IS_UMASKSUDOERS" "sudoers must set umask to 0077" - fi + test -e /etc/apt/apt.conf.d/z-evolinux.conf \ + || failed "IS_DPKGWARNING" "/etc/apt/apt.conf.d/z-evolinux.conf is missing" } # 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 - if is_debian_squeeze; then - grep -q "^command.*check_mailq -M postfix" /etc/nagios/nrpe.cfg \ - || failed "IS_NRPEPOSTFIX" "NRPE \"check_mailq\" for postfix is missing" - else - { 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 + { 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_modsecurity() { - if is_debian_squeeze; then - if is_installed libapache-mod-security; then - test -e /etc/apache2/conf.d/mod-security2.conf || failed "IS_MODSECURITY" "missing configuration file" - fi - elif is_debian_wheezy; then - if is_installed libapache2-modsecurity; then - test -e /etc/apache2/conf.d/mod-security2.conf || failed "IS_MODSECURITY" "missing configuration file" - fi - fi -} check_customsudoers() { grep -E -qr "umask=0077" /etc/sudoers* || failed "IS_CUSTOMSUDOERS" "missing umask=0077 in sudoers file" } @@ -226,46 +162,15 @@ check_syslogconf() { || failed "IS_SYSLOGCONF" "syslog evolix config file missing" } check_debiansecurity() { - if is_debian_bullseye; then - # https://www.debian.org/releases/bullseye/amd64/release-notes/ch-information.html#security-archive - # https://www.debian.org/security/ - pattern="^deb ?(\[.*\])? ?http://security\.debian\.org/debian-security/? bullseye-security main" - elif is_debian_buster; then - pattern="^deb ?(\[.*\])? ?http://security\.debian\.org/debian-security/? buster/updates main" - elif is_debian_stretch; then - pattern="^deb ?(\[.*\])? ?http://security\.debian\.org/debian-security/? stretch/updates main" - else - pattern="^deb.*security" - fi - - source_file="/etc/apt/sources.list" - grep -qE "${pattern}" "${source_file}" || failed "IS_DEBIANSECURITY" "missing debian security repository" -} -check_aptitudeonly() { - if is_debian_squeeze || is_debian_wheezy; then - test -e /usr/bin/apt-get && failed "IS_APTITUDEONLY" \ - "only aptitude may be enabled on Debian <=7, apt-get should be disabled" - fi + # 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 $? -eq 0 || failed "IS_DEBIANSECURITY" "missing Debian-Security repository" } check_aptitude() { - if is_debian_jessie || is_debian_stretch || is_debian_buster || is_debian_bullseye; then - test -e /usr/bin/aptitude && failed "IS_APTITUDE" "aptitude may not be installed on Debian >=8" - fi + test -e /usr/bin/aptitude && failed "IS_APTITUDE" "aptitude may not be installed on Debian >=8" } check_aptgetbak() { - if is_debian_jessie || is_debian_stretch || is_debian_buster || is_debian_bullseye; then - test -e /usr/bin/apt-get.bak && failed "IS_APTGETBAK" "prohibit the installation of apt-get.bak with dpkg-divert(1)" - fi -} -check_apticron() { - status="OK" - test -e /etc/cron.d/apticron || status="fail" - test -e /etc/cron.daily/apticron && status="fail" - test "$status" = "fail" || test -e /usr/bin/apt-get.bak || status="fail" - - if is_debian_squeeze || is_debian_wheezy; then - test "$status" = "fail" && failed "IS_APTICRON" "apticron must be in cron.d not cron.daily" - fi + test -e /usr/bin/apt-get.bak && failed "IS_APTGETBAK" "prohibit the installation of apt-get.bak with dpkg-divert(1)" } check_usrro() { grep /usr /etc/fstab | grep -qE "\bro\b" || failed "IS_USRRO" "missing ro directive on fstab for /usr" @@ -290,19 +195,8 @@ check_mountfstab() { fi } check_listchangesconf() { - if is_debian_stretch || is_debian_buster || is_debian_bullseye; then - if is_installed apt-listchanges; then - failed "IS_LISTCHANGESCONF" "apt-listchanges must not be installed on Debian >=9" - fi - else - if [ -e "/etc/apt/listchanges.conf" ]; then - lines=$(grep -cE "(which=both|confirm=1)" /etc/apt/listchanges.conf) - if [ "$lines" != 2 ]; then - failed "IS_LISTCHANGESCONF" "apt-listchanges config is incorrect" - fi - else - failed "IS_LISTCHANGESCONF" "apt-listchanges config is missing" - fi + if is_installed apt-listchanges; then + failed "IS_LISTCHANGESCONF" "apt-listchanges must not be installed on Debian >=9" fi } check_customcrontab() { @@ -321,14 +215,7 @@ check_tmoutprofile() { grep -sq "TMOUT=" /etc/profile /etc/profile.d/evolinux.sh || failed "IS_TMOUTPROFILE" "TMOUT is not set" } check_alert5boot() { - if is_debian_buster || is_debian_bullseye; then - grep -qs "^date" /usr/share/scripts/alert5.sh || failed "IS_ALERT5BOOT" "boot mail is not sent by alert5 init script" - if [ -f /etc/systemd/system/alert5.service ]; then - systemctl is-enabled alert5.service -q || failed "IS_ALERT5BOOT" "alert5 unit is not enabled" - else - failed "IS_ALERT5BOOT" "alert5 unit file is missing" - fi - else + if is_debian_stretch; then if [ -n "$(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 "$(find /etc/init.d/ -name 'alert5')" ]; then @@ -336,13 +223,17 @@ check_alert5boot() { else failed "IS_ALERT5BOOT" "alert5 init script is missing" fi + else + grep -qs "^date" /usr/share/scripts/alert5.sh || failed "IS_ALERT5BOOT" "boot mail is not sent by alert5 init script" + if [ -f /etc/systemd/system/alert5.service ]; then + systemctl is-enabled alert5.service -q || failed "IS_ALERT5BOOT" "alert5 unit is not enabled" + else + failed "IS_ALERT5BOOT" "alert5 unit file is missing" + fi fi } check_alert5minifw() { - if is_debian_buster || is_debian_bullseye; then - grep -qs "^/etc/init.d/minifirewall" /usr/share/scripts/alert5.sh \ - || failed "IS_ALERT5MINIFW" "Minifirewall is not started by alert5 script or script is missing" - else + if is_debian_stretch; then if [ -n "$(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" @@ -352,6 +243,9 @@ check_alert5minifw() { 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() { @@ -360,8 +254,8 @@ check_minifw() { } check_minifw_includes() { if is_debian_bullseye; then - if grep -q -e '/sbin/iptables' -e '/sbin/ip6tables' "${MINIFW_FILE}"; then - failed "IS_MINIFWINCLUDES" "minifirewall has direct iptables invocations in ${MINIFW_FILE} that should go in /etc/minifirewall.d/" + if grep -q -e '/sbin/iptables' -e '/sbin/ip6tables' "/etc/default/minifirewall"; then + failed "IS_MINIFWINCLUDES" "minifirewall has direct iptables invocations in /etc/default/minifirewall that should go in /etc/minifirewall.d/" fi fi } @@ -374,10 +268,10 @@ check_nrpeperms() { fi } check_minifwperms() { - if [ -f "$MINIFW_FILE" ]; then - actual=$(stat --format "%a" "$MINIFW_FILE") + if [ -f "/etc/default/minifirewall" ]; then + actual=$(stat --format "%a" "/etc/default/minifirewall") expected="600" - test "$expected" = "$actual" || failed "IS_MINIFWPERMS" "${MINIFW_FILE} must be ${expected}" + test "$expected" = "$actual" || failed "IS_MINIFWPERMS" "/etc/default/minifirewall must be ${expected}" fi } check_nrpedisks() { @@ -390,7 +284,7 @@ check_nrpepid() { { test -e /etc/nagios/nrpe.cfg \ && grep -q "^pid_file=/run/nagios/nrpe.pid" /etc/nagios/nrpe.cfg; } || failed "IS_NRPEPID" "missing or wrong pid_file directive in nrpe.cfg" - elif ! is_debian_squeeze; then + else { test -e /etc/nagios/nrpe.cfg \ && grep -q "^pid_file=/var/run/nagios/nrpe.pid" /etc/nagios/nrpe.cfg; } || failed "IS_NRPEPID" "missing or wrong pid_file directive in nrpe.cfg" @@ -405,20 +299,11 @@ check_grsecprocs() { } check_apachemunin() { if test -e /etc/apache2/apache2.conf; then - if is_debian_stretch || is_debian_buster || is_debian_bullseye; then - { test -h /etc/apache2/mods-enabled/status.load \ - && test -h /etc/munin/plugins/apache_accesses \ - && test -h /etc/munin/plugins/apache_processes \ - && test -h /etc/munin/plugins/apache_volume; - } || failed "IS_APACHEMUNIN" "missing munin plugins for Apache" - else - pattern="/server-status-[[:alnum:]]{4,}" - { grep -r -q -s -E "^env.url.*${pattern}" /etc/munin/plugin-conf.d \ - && { grep -q -s -E "${pattern}" /etc/apache2/apache2.conf \ - || grep -q -s -E "${pattern}" /etc/apache2/mods-enabled/status.conf; - }; - } || failed "IS_APACHEMUNIN" "server status is not properly configured" - fi + { 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 @@ -426,7 +311,7 @@ check_mysqlutils() { MYSQL_ADMIN=${MYSQL_ADMIN:-mysqladmin} if is_installed mysql-server; then # With Debian 11 and later, root can connect to MariaDB with the socket - if is_debian_wheezy || is_debian_jessie || is_debian_stretch || is_debian_buster; then + if is_debian_stretch || is_debian_buster; then # You can configure MYSQL_ADMIN in evocheck.cf if ! grep -qs "^user *= *${MYSQL_ADMIN}" /root/.my.cnf; then failed "IS_MYSQLUTILS" "${MYSQL_ADMIN} missing in /root/.my.cnf" @@ -467,27 +352,23 @@ check_muninlogrotate() { } # Verification de l'activation de Squid dans le cas d'un pack mail check_squid() { - if is_debian_stretch || is_debian_buster || is_debian_bullseye; then - squidconffile="/etc/squid/evolinux-custom.conf" - else - squidconffile="/etc/squid*/squid.conf" - fi + squidconffile="/etc/squid/evolinux-custom.conf" if is_pack_web && (is_installed squid || is_installed squid3); then host=$(hostname -i) # shellcheck disable=SC2086 http_port=$(grep -E "^http_port\s+[0-9]+" $squidconffile | awk '{ print $2 }') - { grep -qE "^[^#]*iptables -t nat -A OUTPUT -p tcp --dport 80 -m owner --uid-owner proxy -j ACCEPT" "$MINIFW_FILE" \ - && grep -qE "^[^#]*iptables -t nat -A OUTPUT -p tcp --dport 80 -d $host -j ACCEPT" "$MINIFW_FILE" \ - && grep -qE "^[^#]*iptables -t nat -A OUTPUT -p tcp --dport 80 -d 127.0.0.(1|0/8) -j ACCEPT" "$MINIFW_FILE" \ - && grep -qE "^[^#]*iptables -t nat -A OUTPUT -p tcp --dport 80 -j REDIRECT --to-port.* $http_port" "$MINIFW_FILE"; - } || grep -qE "^PROXY='?on'?" "$MINIFW_FILE" \ + { 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.* $http_port" "/etc/default/minifirewall"; + } || grep -qE "^PROXY='?on'?" "/etc/default/minifirewall" \ || failed "IS_SQUID" "missing squid rules in minifirewall" fi } check_evomaintenance_fw() { - if [ -f "$MINIFW_FILE" ]; then + 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" "$MINIFW_FILE") + rulesNumber=$(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 @@ -510,11 +391,7 @@ check_log2mailrunning() { fi } check_log2mailapache() { - if is_debian_stretch || is_debian_buster || is_debian_bullseye; then - conf=/etc/log2mail/config/apache - else - conf=/etc/log2mail/config/default - fi + conf=/etc/log2mail/config/Apache if is_pack_web && is_installed log2mail; then grep -s -q "^file = /var/log/apache2/error.log" $conf \ || failed "IS_LOG2MAILAPACHE" "missing log2mail directive for apache" @@ -548,17 +425,6 @@ check_bindchroot() { fi fi } -# Verification de la présence du depot volatile -check_repvolatile() { - if is_debian_lenny; then - grep -qE "^deb http://volatile.debian.org/debian-volatile" /etc/apt/sources.list \ - || failed "IS_REPVOLATILE" "missing debian-volatile repository" - fi - if is_debian_squeeze; then - grep -qE "^deb.*squeeze-updates" /etc/apt/sources.list \ - || failed "IS_REPVOLATILE" "missing squeeze-updates repository" - fi -} # /etc/network/interfaces should be present, we don't manage systemd-network yet check_network_interfaces() { if ! test -f /etc/network/interfaces; then @@ -569,11 +435,7 @@ check_network_interfaces() { } # Verify if all if are in auto check_autoif() { - if is_debian_stretch || is_debian_buster || is_debian_bullseye; then - interfaces=$(/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" " ") - else - interfaces=$(/sbin/ifconfig -s | tail -n +2 | grep -E -v "^(lo|vnet|docker|veth|tun|tap|macvtap|vrrp)" | cut -d " " -f 1 |tr "\n" " ") - fi + interfaces=$(/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" @@ -590,11 +452,9 @@ check_interfacesgw() { } # Verification de l’état du service networking check_networking_service() { - if is_debian_stretch || is_debian_buster || is_debian_bullseye; then - 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 + 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 } @@ -674,23 +534,21 @@ check_apacheipinallow() { } # Check if default Apache configuration file for munin is absent (or empty or commented). check_muninapacheconf() { - if is_debian_squeeze || is_debian_wheezy; then - muninconf="/etc/apache2/conf.d/munin" - else - muninconf="/etc/apache2/conf-available/munin.conf" - fi + 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 } -# Verification de la priorité du package samba si les backports sont utilisés -check_sambainpriority() { - if is_debian_lenny && is_pack_samba; then - if grep -qrE "^[^#].*backport" /etc/apt/sources.list{,.d}; then - priority=$(grep -E -A2 "^Package:.*samba" /etc/apt/preferences | grep -A1 "^Pin: release a=lenny-backports" | grep "^Pin-Priority:" | cut -f2 -d" ") - test "$priority" -gt 500 || failed "IS_SAMBAPINPRIORITY" "bad pinning priority for samba" - 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. @@ -833,60 +691,48 @@ check_tune2fs_m5() { done } check_evolinuxsudogroup() { - if is_debian_stretch || is_debian_buster || is_debian_bullseye; then - 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 + 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() { - if is_debian_stretch || is_debian_buster || is_debian_bullseye; then - 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 - fi + 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_debian_stretch || is_debian_buster || is_debian_bullseye; then - 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 + 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() { - if is_debian_stretch || is_debian_buster || is_debian_bullseye; then - 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 + 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_debian_stretch || is_debian_buster || is_debian_bullseye; then - 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 + 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_debian_stretch || is_debian_buster || is_debian_bullseye; then - if is_installed bind9; then - test -e /etc/logrotate.d/bind9 || failed "IS_BIND9LOGROTATE" "missing bind logrotate file" - fi + if is_installed bind9; then + test -e /etc/logrotate.d/bind9 || failed "IS_BIND9LOGROTATE" "missing bind logrotate file" fi } check_broadcomfirmware() { @@ -917,14 +763,12 @@ check_hardwareraidtool() { fi } check_log2mailsystemdunit() { - if is_debian_stretch || is_debian_buster || is_debian_bullseye; then - 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)" - fi + 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 \ @@ -933,13 +777,11 @@ check_listupgrade() { || failed "IS_LISTUPGRADE" "missing listupgrade script or not executable" } check_mariadbevolinuxconf() { - if is_debian_stretch || is_debian_buster || is_debian_bullseye; then - 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" + 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 - fi } check_sql_backup() { if (is_installed "mysql-server" || is_installed "mariadb-server"); then @@ -997,8 +839,12 @@ check_ldap_backup() { check_redis_backup() { if is_installed redis-server; then # You could change the default path in /etc/evocheck.cf - REDIS_BACKUP_PATH=${REDIS_BACKUP_PATH:-"/home/backup/dump.rdb"} - test -f "$REDIS_BACKUP_PATH" || failed "IS_REDIS_BACKUP" "Redis dump is missing (${REDIS_BACKUP_PATH})" + # REDIS_BACKUP_PATH may contain space-separated paths, example: + # REDIS_BACKUP_PATH='/home/backup/redis-instance1/dump.rdb /home/backup/redis-instance2/dump.rdb' + REDIS_BACKUP_PATH=${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 (${file})" + done fi } check_elastic_backup() { @@ -1020,73 +866,63 @@ check_mariadbsystemdunit() { fi } check_mysqlmunin() { - if is_debian_stretch || is_debian_buster || is_debian_bullseye; then - if is_installed mariadb-server; then - for file in mysql_bytes mysql_queries mysql_slowqueries \ - mysql_threads mysql_connections mysql_files_tables \ - mysql_innodb_bpool mysql_innodb_bpool_act mysql_innodb_io \ - mysql_innodb_log mysql_innodb_rows mysql_innodb_semaphores \ - mysql_myisam_indexes mysql_qcache mysql_qcache_mem \ - mysql_sorts mysql_tmp_tables; do + if is_installed mariadb-server; then + for file in mysql_bytes mysql_queries mysql_slowqueries \ + mysql_threads mysql_connections mysql_files_tables \ + mysql_innodb_bpool mysql_innodb_bpool_act mysql_innodb_io \ + mysql_innodb_log mysql_innodb_rows mysql_innodb_semaphores \ + mysql_myisam_indexes mysql_qcache mysql_qcache_mem \ + mysql_sorts mysql_tmp_tables; do - if [[ ! -L /etc/munin/plugins/$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 $? -eq 0 || failed "IS_MYSQLMUNIN" "Munin plugin mysql_commands returned an error" - fi + if [[ ! -L /etc/munin/plugins/$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_debian_stretch || is_debian_buster || is_debian_bullseye; then - 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 + 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 - fi } check_phpevolinuxconf() { - if is_debian_stretch || is_debian_buster || is_debian_bullseye; then - 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 + 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_debian_stretch || is_debian_buster || is_debian_bullseye; then - if is_installed squid; then - grep -q -e monthly -e daily /etc/logrotate.d/squid \ - || failed "IS_SQUIDLOGROTATE" "missing squid logrotate file" - fi + 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_debian_stretch || is_debian_buster || is_debian_bullseye; then - if is_installed squid; then - { grep -qs "^CONFIG=/etc/squid/evolinux-defaults.conf$" /etc/default/squid \ - && test -f /etc/squid/evolinux-defaults.conf \ - && test -f /etc/squid/evolinux-whitelist-defaults.conf \ - && test -f /etc/squid/evolinux-whitelist-custom.conf \ - && test -f /etc/squid/evolinux-acl.conf \ - && test -f /etc/squid/evolinux-httpaccess.conf \ - && test -f /etc/squid/evolinux-custom.conf; - } || failed "IS_SQUIDEVOLINUXCONF" "missing squid evolinux config" - fi + if is_installed squid; then + { grep -qs "^CONFIG=/etc/squid/evolinux-defaults.conf$" /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() { @@ -1152,41 +988,20 @@ 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 is_debian_jessie || is_debian_stretch || is_debian_buster || is_debian_bullseye; then - 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 + 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 Stretch, detection is easy as the kernel use # /sys/devices/system/cpu/vulnerabilities/ - if is_debian_stretch || is_debian_buster || is_debian_bullseye; then - 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 - # For Jessie this is quite complicated to verify and we need to use kernel config file - elif is_debian_jessie; then - 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 - fi + 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} @@ -1218,7 +1033,7 @@ check_usrsharescripts() { } check_sshpermitrootno() { sshd_args="-C addr=,user=,host=,laddr=,lport=0" - if is_debian_jessie || is_debian_stretch; then + if is_debian_stretch; then # Noop, we'll use the default $sshd_args : elif is_debian_buster; then @@ -1234,17 +1049,7 @@ check_sshpermitrootno() { fi } check_evomaintenanceusers() { - if is_debian_stretch || is_debian_buster || is_debian_bullseye; then - users=$(getent group evolinux-sudo | cut -d':' -f4 | tr ',' ' ') - else - 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" $sudoers | cut -d= -f2 | tr -d " "; grep "^sudo" /etc/group | cut -d: -f 4; } | tr "," "\n" | sort -u) - fi + users=$(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 "$user_home" ]; then @@ -1307,17 +1112,6 @@ check_osprober() { fi } -check_jessie_backports() { - if is_debian_jessie; then - jessieBackports=$(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 - fi -} - check_apt_valid_until() { aptvalidFile="/etc/apt/apt.conf.d/99no-check-valid-until" aptvalidText="Acquire::Check-Valid-Until no;" @@ -1356,14 +1150,8 @@ check_nginx_letsencrypt_uptodate() { snippets=$(find /etc/nginx -type f -name "letsencrypt.conf") if [ -n "${snippets}" ]; then while read -r snippet; do - if is_debian_jessie; then - if ! grep -qE "^\s*alias\s+/.+/\.well-known/acme-challenge" "${snippet}"; then - failed "IS_NGINX_LETSENCRYPT_UPTODATE" "Nginx snippet ${snippet} is not compatible with Nginx on Debian 8." - fi - else - if grep -qE "^\s*alias\s+/.+/\.well-known/acme-challenge" "${snippet}"; then - failed "IS_NGINX_LETSENCRYPT_UPTODATE" "Nginx snippet ${snippet} is not compatible with Nginx on Debian 9+." - fi + if grep -qE "^\s*alias\s+/.+/\.well-known/acme-challenge" "${snippet}"; then + failed "IS_NGINX_LETSENCRYPT_UPTODATE" "Nginx snippet ${snippet} is not compatible with Nginx on Debian 9+." fi done <<< "${snippets}" fi @@ -1399,11 +1187,7 @@ download_versions() { # evoacme 21.06 # evomaintenance 0.6.4 - if is_debian; then - versions_url="https://upgrades.evolix.org/versions-${DEBIAN_RELEASE}" - else - failed "IS_CHECK_VERSIONS" "error determining os release" - fi + versions_url="https://upgrades.evolix.org/versions-${DEBIAN_RELEASE}" # fetch timeout, in seconds timeout=10 @@ -1527,8 +1311,6 @@ main() { main_output_file=$(mktemp --tmpdir="${TMPDIR:-/tmp}" "evocheck.main.XXXXX") files_to_cleanup="${files_to_cleanup} ${main_output_file}" - MINIFW_FILE=$(minifirewall_file) - test "${IS_TMP_1777:=1}" = 1 && check_tmp_1777 test "${IS_ROOT_0700:=1}" = 1 && check_root_0700 test "${IS_USRSHARESCRIPTS:=1}" = 1 && check_usrsharescripts @@ -1540,19 +1322,15 @@ main() { test "${IS_LSBRELEASE:=1}" = 1 && check_lsbrelease test "${IS_DPKGWARNING:=1}" = 1 && check_dpkgwarning - test "${IS_UMASKSUDOERS:=1}" = 1 && check_umasksudoers test "${IS_NRPEPOSTFIX:=1}" = 1 && check_nrpepostfix - test "${IS_MODSECURITY:=1}" = 1 && check_modsecurity 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 "${IS_APTITUDEONLY:=1}" = 1 && check_aptitudeonly test "${IS_APTITUDE:=1}" = 1 && check_aptitude test "${IS_APTGETBAK:=1}" = 1 && check_aptgetbak - test "${IS_APTICRON:=0}" = 1 && check_apticron test "${IS_USRRO:=1}" = 1 && check_usrro test "${IS_TMPNOEXEC:=1}" = 1 && check_tmpnoexec test "${IS_MOUNT_FSTAB:=1}" = 1 && check_mountfstab @@ -1584,7 +1362,6 @@ main() { test "${IS_LOG2MAILMYSQL:=1}" = 1 && check_log2mailmysql test "${IS_LOG2MAILSQUID:=1}" = 1 && check_log2mailsquid test "${IS_BINDCHROOT:=1}" = 1 && check_bindchroot - test "${IS_REPVOLATILE:=1}" = 1 && check_repvolatile test "${IS_NETWORK_INTERFACES:=1}" = 1 && check_network_interfaces test "${IS_AUTOIF:=1}" = 1 && check_autoif test "${IS_INTERFACESGW:=1}" = 1 && check_interfacesgw @@ -1596,7 +1373,7 @@ main() { test "${IS_APACHESYMLINK:=1}" = 1 && check_apachesymlink test "${IS_APACHEIPINALLOW:=1}" = 1 && check_apacheipinallow test "${IS_MUNINAPACHECONF:=1}" = 1 && check_muninapacheconf - test "${IS_SAMBAPINPRIORITY:=1}" = 1 && check_sambainpriority + 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 @@ -1637,7 +1414,6 @@ main() { 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 "${IS_NGINX_LETSENCRYPT_UPTODATE:=1}" = 1 && check_nginx_letsencrypt_uptodate diff --git a/evocheck/files/evocheck.wheezy.sh b/evocheck/files/evocheck.wheezy.sh new file mode 100755 index 00000000..cd41cb50 --- /dev/null +++ b/evocheck/files/evocheck.wheezy.sh @@ -0,0 +1,1252 @@ +#!/bin/bash + +# EvoCheck +# Script to verify compliance of a Linux (Debian) server +# powered by Evolix + +VERSION="22.11" +readonly VERSION + +# base functions + +show_version() { + cat <, + Romain Dessort , + Benoit Série , + Gregory Colpart , + Jérémy Lecour , + Tristan Pilat , + Victor Laborie , + Alexis Ben Miloud--Josselin , + and others. + +evocheck comes with ABSOLUTELY NO WARRANTY. This is free software, +and you are welcome to redistribute it under certain conditions. +See the GNU General Public License v3.0 for details. +END +} +show_help() { + cat <&2 + echo "This version is built for Debian 7 only." >&2 + exit + fi + + if [ -x "${LSB_RELEASE_BIN}" ]; then + DEBIAN_RELEASE=$(${LSB_RELEASE_BIN} --codename --short) + else + case ${DEBIAN_MAIN_VERSION} in + 5) DEBIAN_RELEASE="lenny";; + 6) DEBIAN_RELEASE="squeeze";; + 7) DEBIAN_RELEASE="wheezy";; + esac + fi + fi +} + +is_debian_lenny() { + test "${DEBIAN_RELEASE}" = "lenny" +} +is_debian_squeeze() { + test "${DEBIAN_RELEASE}" = "squeeze" +} +is_debian_wheezy() { + test "${DEBIAN_RELEASE}" = "wheezy" +} + +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 + +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 +} + +# 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() { + if [ "$IS_USRRO" = 1 ] || [ "$IS_TMPNOEXEC" = 1 ]; then + test -e /etc/apt/apt.conf.d/80evolinux \ + || failed "IS_DPKGWARNING" "/etc/apt/apt.conf.d/80evolinux is missing" + test -e /etc/apt/apt.conf \ + && failed "IS_DPKGWARNING" "/etc/apt/apt.conf is missing" + 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_modsecurity() { + if is_installed libapache2-modsecurity; then + test -e /etc/apache2/conf.d/mod-security2.conf || failed "IS_MODSECURITY" "missing configuration file" + fi +} +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 $? -eq 0 || failed "IS_DEBIANSECURITY" "missing Debian-Security repository" +} +check_aptitudeonly() { + test -e /usr/bin/apt-get && failed "IS_APTITUDEONLY" \ + "only aptitude may be enabled on Debian <=7, apt-get should be disabled" +} + +check_apticron() { + status="OK" + test -e /etc/cron.d/apticron || status="fail" + test -e /etc/cron.daily/apticron && status="fail" + test "$status" = "fail" || test -e /usr/bin/apt-get.bak || status="fail" + + test "$status" = "fail" && failed "IS_APTICRON" "apticron must be in cron.d not cron.daily" +} +check_usrro() { + grep /usr /etc/fstab | grep -qE "\bro\b" || failed "IS_USRRO" "missing ro directive on fstab for /usr" +} +check_tmpnoexec() { + FINDMNT_BIN=$(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 "$mountPoint\W" /etc/fstab \ + || failed "IS_MOUNT_FSTAB" "partition(s) detected mounted but no presence in fstab" + done + fi +} +check_listchangesconf() { + if [ -e "/etc/apt/listchanges.conf" ]; then + lines=$(grep -cE "(which=both|confirm=1)" /etc/apt/listchanges.conf) + if [ "$lines" != 2 ]; then + failed "IS_LISTCHANGESCONF" "apt-listchanges config is incorrect" + fi + else + failed "IS_LISTCHANGESCONF" "apt-listchanges config is missing" + fi +} +check_customcrontab() { + found_lines=$(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 ${perfFile}" +} +check_tmoutprofile() { + grep -sq "TMOUT=" /etc/profile /etc/profile.d/evolinux.sh || failed "IS_TMOUTPROFILE" "TMOUT is not set" +} +check_alert5boot() { + if [ -n "$(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 "$(find /etc/init.d/ -name 'alert5')" ]; then + grep -q "^date" /etc/init.d/alert5 || failed "IS_ALERT5BOOT" "boot mail is not sent by alert5 int script" + else + failed "IS_ALERT5BOOT" "alert5 init script is missing" + fi +} +check_alert5minifw() { + if [ -n "$(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 "$(find /etc/init.d/ -name 'alert5')" ]; then + grep -q "^/etc/init.d/minifirewall" /etc/init.d/alert5 \ + || failed "IS_ALERT5MINIFW" "Minifirewall is not started by alert5 init script" + else + failed "IS_ALERT5MINIFW" "alert5 init script is missing" + fi +} +check_minifw() { + /sbin/iptables -L -n | grep -q -E "^ACCEPT\s*all\s*--\s*31\.170\.8\.4\s*0\.0\.0\.0/0\s*$" \ + || failed "IS_MINIFW" "minifirewall seems not started" +} +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 ${expected}" + fi +} +check_minifwperms() { + if [ -f "/etc/firewall.rc" ]; then + actual=$(stat --format "%a" "/etc/firewall.rc") + expected="600" + test "$expected" = "$actual" || failed "IS_MINIFWPERMS" "/etc/firewall.rc 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() { + { 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" +} +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 + pattern="/server-status-[[:alnum:]]{4,}" + { grep -r -q -s -E "^env.url.*${pattern}" /etc/munin/plugin-conf.d \ + && { grep -q -s -E "${pattern}" /etc/apache2/apache2.conf \ + || grep -q -s -E "${pattern}" /etc/apache2/mods-enabled/status.conf; + }; + } || failed "IS_APACHEMUNIN" "server status is not properly configured" + fi +} +# Verification mytop + Munin si MySQL +check_mysqlutils() { + MYSQL_ADMIN=${MYSQL_ADMIN:-mysqladmin} + if is_installed mysql-server; 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 + 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 $awstatsFile" + fi +} +# Verification de la présence de la config logrotate pour Munin +check_muninlogrotate() { + { test -e /etc/logrotate.d/munin-node \ + && test -e /etc/logrotate.d/munin; + } || failed "IS_MUNINLOGROTATE" "missing lorotate file for munin" +} +# Verification de l'activation de Squid dans le cas d'un pack mail +check_squid() { + squidconffile="/etc/squid*/squid.conf" + if is_pack_web && (is_installed squid || is_installed squid3); then + host=$(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/firewall.rc" \ + && grep -qE "^[^#]*iptables -t nat -A OUTPUT -p tcp --dport 80 -d $host -j ACCEPT" "/etc/firewall.rc" \ + && grep -qE "^[^#]*iptables -t nat -A OUTPUT -p tcp --dport 80 -d 127.0.0.(1|0/8) -j ACCEPT" "/etc/firewall.rc" \ + && grep -qE "^[^#]*iptables -t nat -A OUTPUT -p tcp --dport 80 -j REDIRECT --to-port.* $http_port" "/etc/firewall.rc"; + } || grep -qE "^PROXY='?on'?" "/etc/firewall.rc" \ + || failed "IS_SQUID" "missing squid rules in minifirewall" + fi +} +check_evomaintenance_fw() { + if [ -f "/etc/firewall.rc" ]; then + hook_db=$(grep -E '^\s*HOOK_DB' /etc/evomaintenance.cf | tr -d ' ' | cut -d= -f2) + rulesNumber=$(grep -c "/sbin/iptables -A INPUT -p tcp --sport 5432 --dport 1024:65535 -s .* -m state --state ESTABLISHED,RELATED -j ACCEPT" "/etc/firewall.rc") + if [ "$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/default + if is_pack_web && is_installed log2mail; then + grep -s -q "^file = /var/log/apache2/error.log" $conf \ + || failed "IS_LOG2MAILAPACHE" "missing log2mail directive for apache" + fi +} +check_log2mailmysql() { + if is_pack_web && is_installed log2mail; then + grep -s -q "^file = /var/log/syslog" /etc/log2mail/config/{default,mysql,mysql.conf} \ + || failed "IS_LOG2MAILMYSQL" "missing log2mail directive for mysql" + fi +} +check_log2mailsquid() { + if is_pack_web && is_installed log2mail; then + grep -s -q "^file = /var/log/squid.*/access.log" /etc/log2mail/config/* \ + || failed "IS_LOG2MAILSQUID" "missing log2mail directive for squid" + fi +} +# Verification si bind est chroote +check_bindchroot() { + if is_installed bind9; then + if netstat -utpln | grep "/named" | grep :53 | grep -qvE "(127.0.0.1|::1)"; then + if grep -q '^OPTIONS=".*-t' /etc/default/bind9 && grep -q '^OPTIONS=".*-u' /etc/default/bind9; then + md5_original=$(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/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.d/munin" + 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 ${PATH}" + fi +} +check_sql_backup() { + if (is_installed "mysql-server" || is_installed "mariadb-server"); then + # You could change the default path in /etc/evocheck.cf + SQL_BACKUP_PATH=${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 ${PATH}" + fi +} +check_evolix_user() { + grep -q -E "^evolix:" /etc/passwd \ + && failed "IS_EVOLIX_USER" "evolix user should be deleted, used only for install" +} +check_old_home_dir() { + homeDir=${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 $expected" +} +check_sshpermitrootno() { + # shellcheck disable=SC2086 + if ! (sshd -T 2> /dev/null | grep -qi 'permitrootlogin no'); then + failed "IS_SSHPERMITROOTNO" "PermitRoot should be set to no" + fi +} +check_evomaintenanceusers() { + if [ -f /etc/sudoers.d/evolinux ]; then + sudoers="/etc/sudoers.d/evolinux" + else + sudoers="/etc/sudoers" + fi + # combine users from User_Alias and sudo group + users=$({ 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 " \ + && 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_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_DPKGWARNING:=1}" = 1 && check_dpkgwarning + test "${IS_NRPEPOSTFIX:=1}" = 1 && check_nrpepostfix + test "${IS_MODSECURITY:=1}" = 1 && check_modsecurity + 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 "${IS_APTITUDEONLY:=1}" = 1 && check_aptitudeonly + test "${IS_APTICRON:=0}" = 1 && check_apticron + 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_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_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 "${IS_CHECK_VERSIONS:=1}" = 1 && check_versions + + if [ -f "${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} diff --git a/evocheck/tasks/install.yml b/evocheck/tasks/install.yml index 7d4a0e6a..c996542e 100644 --- a/evocheck/tasks/install.yml +++ b/evocheck/tasks/install.yml @@ -15,9 +15,24 @@ tags: - evocheck +- name: Script for Debian 7 and earlier + set_fact: + evocheck_script_src: evocheck.wheezy.sh + when: ansible_distribution_major_version is version('7', '<=') + +- name: Script for Debian 8 + set_fact: + evocheck_script_src: evocheck.jessie.sh + when: ansible_distribution_major_version is version('8', '=') + +- name: Script for Debian 9 and later + set_fact: + evocheck_script_src: evocheck.sh + when: ansible_distribution_major_version is version('9', '>=') + - name: Copy evocheck.sh copy: - src: evocheck.sh + src: "{{ evocheck_script_src }}" dest: "{{ evocheck_bin_dir }}/evocheck.sh" mode: "0700" owner: root