discover

discover.sh

#!/bin/bash

# You should be strict ! ( -e )
# Or want some debug ? ( -x )
set -e

# NOTES
# | mail -s "AWH host check for $HOSTNAME @ $(date +%Y.%m.%d-%H:%M)" yannick.foeillet@alterway.fr

###
# {{{ Manifest
####################################################### 
# Discover host for :
# - migration
# - check new installation
# - verifiy old installation for conformity purpise
#
# Check domains
# - apache / apache2
# - nginx
# - lighttpd
# - varnish
# - php
# - memcached
# - mysql
# - percona
# - bind
# - mydns
# - crontabs
# - basics system hardening
# Internal functions
# - send output to file
# - send $this->file par mail
#
# TODO :
# - postgresql
# - CGI-BIN
#
# Yannick Foeillet - Alter Way
#######################################################
# }}} Manifest

### 
# {{{ CREATE WORKING DIR
###
[ ! -d "/tmp/$$/" ] && $(which mkdir) /tmp/$$ 
chmod -R 700 /tmp/$$
# }}}

###
# {{{ INIT
if [ ! -z "$1" ];then
	EMAIL=$1
else
	EMAIL="root@localhost"
fi
SUBJECT=$( $(which echo) "AWH host check for $HOSTNAME @ $(date +%Y.%m.%d-%H:%M)" )
$(which echo) "SUBJECT:"$SUBJECT > /tmp/$$/mail.tmp
$(which echo) "" >> /tmp/$$/mail.tmp
$(which echo) "" >> /tmp/$$/mail.tmp
$(which echo) "---------- HOST ANALYSIS ----------" >> /tmp/$$/mail.tmp
$(which echo) "Date : " $( $(which date) +%Y.%m.%d-%H:%M:%S) >> /tmp/$$/mail.tmp
$(which echo) "Host : $HOSTNAME" >> /tmp/$$/mail.tmp
$(which echo) "Arch : " $( $(which dpkg) --print-architecture) >> /tmp/$$/mail.tmp
$(which echo) "Kernel : " $( $(which uname) -r) >> /tmp/$$/mail.tmp
$(which echo) "" >> /tmp/$$/mail.tmp
$(which echo) "---------- FILESYSTEM SIZE ----------" >> /tmp/$$/mail.tmp
$(which df) '-h' >> /tmp/$$/mail.tmp
$(which echo) "" >> /tmp/$$/mail.tmp
# }}} INIT

###
# {{{ APACHE / APACHE2
$(which echo) "---------- APACHE ----------" >> /tmp/$$/mail.tmp
$(which dpkg) -l "*apache*" | $(which grep) ^.i | $(which awk) '{print $2" : "$3}' >> /tmp/$$/mail.tmp
$(which echo) "" >> /tmp/$$/mail.tmp
# }}} APACHE

###
# {{{ NGINX
$(which echo) "---------- NGINX ----------" >> /tmp/$$/mail.tmp
$(which dpkg) -l "*nginx*" | $(which grep) ^.i | $(which awk) '{print $2" : "$3}' >> /tmp/$$/mail.tmp
$(which echo) "" >> /tmp/$$/mail.tmp
# }}} NGINX

###
# {{{ LIGHTTPD
$(which echo) "---------- LIGHTTPD ----------" >> /tmp/$$/mail.tmp
$(which dpkg) -l "lighttpd*" | $(which grep) ^.i | $(which awk) '{print $2" : "$3}' >> /tmp/$$/mail.tmp
$(which echo) "" >> /tmp/$$/mail.tmp
# }}} LIGHTTPD

###
# {{{ VARNISH
$(which echo) "---------- VARNISH ----------" >> /tmp/$$/mail.tmp
$(which dpkg) -l "varnish*" | $(which grep) ^.i | $(which awk) '{print $2" : "$3}' >> /tmp/$$/mail.tmp
$(which echo) "" >> /tmp/$$/mail.tmp
# }}} VARNISH

###
# {{{ PHP
$(which echo) "---------- PHP ----------" >> /tmp/$$/mail.tmp
$(which dpkg) -l "*php*" | $(which grep) ^.i | $(which awk) '{print $2" : "$3}' >> /tmp/$$/mail.tmp
$(which echo) "" >> /tmp/$$/mail.tmp
# }}} PHP

###
# {{{ MEMCACHE
$(which echo) "---------- MEMCACHE ----------" >> /tmp/$$/mail.tmp
$(which dpkg) -l "memcache*" | $(which grep) ^.i | $(which awk) '{print $2" : "$3}' >> /tmp/$$/mail.tmp
$(which echo) "" >> /tmp/$$/mail.tmp
# }}} MEMCACHE

###
# {{{ MySQL
$(which echo) "---------- MySQL ----------" >> /tmp/$$/mail.tmp
$(which dpkg) -l "mysql*" | $(which grep) ^.i | $(which awk) '{print $2" : "$3}' >> /tmp/$$/mail.tmp
$(which echo) "" >> /tmp/$$/mail.tmp
# }}} MySQL

###
# {{{ PERCONA
$(which echo) "---------- PERCONA----------" >> /tmp/$$/mail.tmp
$(which dpkg) -l "percona*" | $(which grep) ^.i | $(which awk) '{print $2" : "$3}' >> /tmp/$$/mail.tmp
$(which echo) "" >> /tmp/$$/mail.tmp
# }}} PERCONA

###
# {{{ BIND
$(which echo) "---------- BIND----------" >> /tmp/$$/mail.tmp
$(which dpkg) -l "bind*" | $(which grep) ^.i | $(which awk) '{print $2" : "$3}' >> /tmp/$$/mail.tmp
$(which echo) "" >> /tmp/$$/mail.tmp
# }}} BIND

###
# {{{ MyDNS
$(which echo) "---------- MyDNS----------" >> /tmp/$$/mail.tmp
$(which dpkg) -l "mydns*" | $(which grep) ^.i | $(which awk) '{print $2" : "$3}' >> /tmp/$$/mail.tmp
$(which echo) "" >> /tmp/$$/mail.tmp
# }}} MyDNS

###
# {{{ CRONTABS
$(which echo) "---------- CRONTABS ----------" >> /tmp/$$/mail.tmp
$(which echo) "   ----- /var/spool/cron/crontabs/ ---" >> /tmp/$$/mail.tmp
spool_crons=$( $(which ls ) -1 /var/spool/cron/crontabs/)
for scron in $( $(which echo) $spool_crons );do
	$(which echo) "      " /var/spool/cron/crontabs/$scron >> /tmp/$$/mail.tmp
done
$(which echo) "" >> /tmp/$$/mail.tmp
$(which echo) "   ----- /etc/cron.d/ ---" >> /tmp/$$/mail.tmp
etc_crons=$( $(which ls ) -1 /etc/cron.d/)
for ecron in $( $(which echo) $etc_crons );do
	$(which echo) "      " /etc/cron.d/$ecron >> /tmp/$$/mail.tmp
done
$(which echo) "" >> /tmp/$$/mail.tmp
# }}} CRONTABS

###
# {{{ BASIC SYSTEM HARDENING
# PAM
$(which echo) "---------- PAM.D/SU CONTROL ----------" >> /tmp/$$/mail.tmp
pam_su=$( $(which grep) -c -E "auth[[:space:]]*required[[:space:]]*pam_wheel.so" /etc/pam.d/su | $(which grep) -v "^#")
if [ "$pam_su" -eq "0" ];then
	$(which echo) "*** pam.d/su not conform ! ***" >> /tmp/$$/mail.tmp	
fi
$(which echo) "" >> /tmp/$$/mail.tmp
# SSHD
$(which echo) "---------- SSHD_PERMIT_ROOT_LOGIN CONTROL ----------" >> /tmp/$$/mail.tmp
$(which grep) -E -i PermitRootLogin /etc/ssh/sshd_config | $(which grep) -v "^#" | $(which awk) '$2 ~ /yes/ {print "*** Security alert : "$0" ***"}' >> /tmp/$$/mail.tmp
$(which echo) "" >> /tmp/$$/mail.tmp
# GROUP
$(which echo) "---------- NEXEN_IN_ROOT_GROUP CONTROL ----------" >> /tmp/$$/mail.tmp
$(which grep) -E "^root" /etc/group | $(which awk) -F":" '$0 !~ /nexen/ {print "*** Security alert : "$0" ***"}' >> /tmp/$$/mail.tmp
$(which echo) "" >> /tmp/$$/mail.tmp
# }}} BASIC SYSTEM HARDENING

# {{{ REPORT
$(which cat) /tmp/$$/mail.tmp | $(which sendmail) $EMAIL
# }}} REPORT

### 
# {{{ DELETE EXISTING WORKING DIR
###
[ -d "/tmp/$$/" ] && $(which rm) -rf /tmp/$$
# }}}

###
#{{{ vim vars
# vim: ts=4 sw=4 fdm=marker
# }}}