openvas 9.0.2 / usr / bin / openvas-check-setup

#!/bin/sh

###############################################################################
# OpenVAS
# $Id$
#
# Script for checking completeness and readiness of OpenVAS.
#
# Authors:
# Jan-Oliver Wagner <jan-oliver.wagner@greenbone.net>
# Michael Wiegand <michael.wiegand@greenbone.net>
#
# Copyright:
# Copyright (C) 2011-2016 Greenbone Networks GmbH
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2,
# or at your option any later version, as published by the
# Free Software Foundation
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
###############################################################################

LOG=/tmp/openvas-check-setup.log
CHECKVERSION=2.3.7

if [ "$1" = "--server" -o "$2" = "--server" -o "$3" = "--server" ]
then
  MODE="server"
else
  MODE="desktop"
fi

if [ "$1" = "--skip-nmap" -o "$2" = "--skip-nmap" -o "$3" = "--skip-nmap" ]
then
  SKIP_NMAP="1"
else
  SKIP_NMAP="0"
fi

# Current default is OpenVAS-8:
VER="8"
SCANNER_MAJOR="5"
SCANNER_MINOR="0"
MANAGER_MAJOR="6"
MANAGER_MINOR="0"
ADMINISTRATOR_MAJOR="0"
ADMINISTRATOR_MINOR="0"
GSA_MAJOR="6"
GSA_MINOR="0"
CLI_MAJOR="1"
CLI_MINOR="4"

if [ "$1" = "--v9" -o "$2" = "--v9" -o "$3" = "--v9" ]
then
  VER="9"
  SCANNER_MAJOR="5"
  SCANNER_MINOR="1"
  MANAGER_MAJOR="7"
  MANAGER_MINOR="0"
  ADMINISTRATOR_MAJOR="0"
  ADMINISTRATOR_MINOR="0"
  GSA_MAJOR="7"
  GSA_MINOR="0"
  CLI_MAJOR="1"
  CLI_MINOR="4"
elif [ "$1" = "--v8" -o "$2" = "--v8" -o "$3" = "--v8" ]
then
  VER="8"
  SCANNER_MAJOR="5"
  SCANNER_MINOR="0"
  MANAGER_MAJOR="6"
  MANAGER_MINOR="0"
  ADMINISTRATOR_MAJOR="0"
  ADMINISTRATOR_MINOR="0"
  GSA_MAJOR="6"
  GSA_MINOR="0"
  CLI_MAJOR="1"
  CLI_MINOR="4"
elif [ "$1" = "--v7" -o "$2" = "--v7" -o "$3" = "--v7" ]
then
  VER="7"
  SCANNER_MAJOR="4"
  SCANNER_MINOR="0"
  MANAGER_MAJOR="5"
  MANAGER_MINOR="0"
  ADMINISTRATOR_MAJOR="0"
  ADMINISTRATOR_MINOR="0"
  GSA_MAJOR="5"
  GSA_MINOR="0"
  CLI_MAJOR="1"
  CLI_MINOR="3"
elif [ "$1" = "--v6" -o "$2" = "--v6" -o "$3" = "--v6" ]
then
  VER="6"
  SCANNER_MAJOR="3"
  SCANNER_MINOR="4"
  MANAGER_MAJOR="4"
  MANAGER_MINOR="0"
  ADMINISTRATOR_MAJOR="1"
  ADMINISTRATOR_MINOR="3"
  GSA_MAJOR="4"
  GSA_MINOR="0"
  CLI_MAJOR="1"
  CLI_MINOR="2"
  GSD_MAJOR="1"
  GSD_MINOR="2"
fi

echo "openvas-check-setup $CHECKVERSION"
echo "  Test completeness and readiness of OpenVAS-$VER"
if [ "$VER" = "8" ]
then
  echo "  (add '--v6' or '--v7' or '--v9'"
  echo "   if you want to check for another OpenVAS version)"
fi
echo ""
echo "  Please report us any non-detected problems and"
echo "  help us to improve this check routine:"
echo "  http://lists.wald.intevation.org/mailman/listinfo/openvas-discuss"
echo ""
echo "  Send us the log-file ($LOG) to help analyze the problem."
echo ""

if [ "$MODE" = "desktop" ]
then
  echo "  Use the parameter --server to skip checks for client tools"
  echo "  like GSD and OpenVAS-CLI."
  echo ""
fi

log_and_print ()
{
  echo "       " $1
  echo "       " $1 >> $LOG
}

check_failed ()
{
  echo ""
  echo " ERROR: Your OpenVAS-$VER installation is not yet complete!"
  echo ""
  echo "Please follow the instructions marked with FIX above and run this"
  echo "script again."
  echo ""
  echo "If you think this result is wrong, please report your observation"
  echo "and help us to improve this check routine:"
  echo "http://lists.wald.intevation.org/mailman/listinfo/openvas-discuss"
  echo "Please attach the log-file ($LOG) to help us analyze the problem."
  echo ""
  exit 1
}


# LOG start
echo "openvas-check-setup $CHECKVERSION" > $LOG
echo "  Mode:  $MODE" >> $LOG
echo "  Date: " `date -R` >> $LOG
echo "" >> $LOG


echo "Step 1: Checking OpenVAS Scanner ... "

echo "Checking for old OpenVAS Scanner <= 2.0 ..." >> $LOG
openvasd -V >> $LOG 2>&1
if [ $? -eq 0 ]
then
  log_and_print "ERROR: Old version of OpenVAS Scanner detected."
  log_and_print "FIX: Please remove the installation of the old OpenVAS Scanner (openvasd)."
  check_failed
fi
echo "" >> $LOG

echo "Checking presence of OpenVAS Scanner ..." >> $LOG
openvassd --version >> $LOG 2>&1
if [ $? -ne 0 ]
then
  log_and_print "ERROR: No OpenVAS Scanner (openvassd) found."
  log_and_print "FIX: Please install OpenVAS Scanner."
  check_failed
fi
echo "" >> $LOG

echo "Checking OpenVAS Scanner version ..." >> $LOG

VERSION=`openvassd --version 2>>$LOG | head -1 | sed -e "s/OpenVAS Scanner //"`

if [ `echo $VERSION | grep "^$SCANNER_MAJOR\.$SCANNER_MINOR" | wc -l` -ne "1" ]
then
  log_and_print "ERROR: OpenVAS Scanner too old or too new: $VERSION"
  log_and_print "FIX: Please install OpenVAS Scanner $SCANNER_MAJOR.$SCANNER_MINOR."
  log_and_print "HINT: Please see the --v6/7/8/9 command line options to check other major versions."
  check_failed
fi
echo "" >> $LOG

log_and_print "OK: OpenVAS Scanner is present in version $VERSION."

openvassd -s >> $LOG 2>&1

OPENVASSD_CONFIG_FILE=$(openvassd -s | awk '/^config_file/ { print $3 }')
if [ -n "$OPENVASSD_CONFIG_FILE" ]
then
  if [ -e "$OPENVASSD_CONFIG_FILE" ] && [ ! -O "$OPENVASSD_CONFIG_FILE" ]
  then
    log_and_print "WARNING: The config file used by OpenVAS Scanner is not owned by the current user."
    log_and_print "         Some of the following tests may produce incorrect results."
    log_and_print "SUGGEST: Run 'openvas-check-setup' as the user owning the OpenVAS Scanner installation"
    log_and_print "         to ensure correct results."
  fi
fi

if [ $VER -lt 9 ]
then
  echo "Checking OpenVAS Scanner CA cert ..." >> $LOG
  CAFILE=`openvassd -s 2>>$LOG | grep ca_file | sed -e "s/^ca_file = //"`
  if [ ! -e $CAFILE ]
  then
    log_and_print "ERROR: No CA certificate file of OpenVAS Scanner found."
    log_and_print "FIX: Run 'openvas-mkcert'."
    check_failed
  fi
  echo "" >> $LOG

  log_and_print "OK: OpenVAS Scanner CA Certificate is present as $CAFILE."
fi

if [ "$VER" -ge 8 ]
then
  echo "Checking presence of redis ..." >> $LOG
  BINARY=`redis-server --version`

  if [ $? -ne 0 ]
  then
    log_and_print "ERROR: No redis-server installation found."
    log_and_print "FIX: You should install redis-server for improved scalability and ability to trace/debug the KB"
    check_failed
  else
    VERSION=`redis-server --version | awk '{ print $4 }'`
    if [ `echo $VERSION | grep sha` ]
    then
      VERSION=`redis-server --version | awk '{ print $3 }'`
    fi
    log_and_print "OK: redis-server is present in version $VERSION."
    HAVE_REDIS=1
  fi
  echo "" >> $LOG

  if [ $HAVE_REDIS -eq 1 ]
  then
    echo "Checking if redis-server is configured properly to run with openVAS ..." >> $LOG
    REDISSOCKET=`openvassd -s 2>>$LOG | grep kb_location | sed -e "s/^kb_location = //"`
    if [ -z "$REDISSOCKET" ]
    then
       log_and_print "ERROR: scanner is not configured to use a redis-server socket."
       log_and_print "FIX: Configure the kb_location setting of the scanner to the path of the redis-server socket."
       check_failed
    else
      log_and_print "OK: scanner (kb_location setting) is configured properly using the redis-server socket: $REDISSOCKET"
      echo "Checking if redis-server is running ..." >> $LOG
      if [ -e $REDISSOCKET ]
      then
       log_and_print "OK: redis-server is running and listening on socket: $REDISSOCKET."
       else
       log_and_print "ERROR: redis-server is not running or not listening on socket: $REDISSOCKET"
       log_and_print "FIX: You should start the redis-server or configure it to listen on socket: $REDISSOCKET"
       check_failed
      fi
    fi
  log_and_print "OK: redis-server configuration is OK and redis-server is running."
  fi

  echo "" >> $LOG
fi

echo "Checking NVT collection ..." >> $LOG
PLUGINSFOLDER=`openvassd -s 2>>$LOG | grep plugins_folder | sed -e "s/^plugins_folder = //"`
if [ ! -d $PLUGINSFOLDER ]
then
  log_and_print "ERROR: Directory containing the NVT collection not found."
  log_and_print "FIX: Run a NVT synchronization script like openvas-nvt-sync or greenbone-nvt-sync."
  check_failed
fi
OLDPLUGINSFOLDER=`echo "$PLUGINSFOLDER" | grep -q -v "/var/" 2>&1`
if [ $? -eq 0 ]
then
  CONFFILE=`openvassd -s 2>>$LOG | grep config_file | sed -e "s/^config_file = //"`
  log_and_print "ERROR: Your OpenVAS Scanner configuration seems to be from a pre-OpenVAS-4 installation and contains non-FHS compliant paths."
  log_and_print "FIX: Delete your OpenVAS Scanner Configuration file ($CONFFILE)."
  check_failed
fi
NVTCOUNT=`find $PLUGINSFOLDER -name "*nasl" | wc -l`
if [ $NVTCOUNT -lt 10 ]
then
  log_and_print "ERROR: The NVT collection is very small."
  if [ $VER -ge 9 ]
  then
    log_and_print "FIX: Run a synchronization script like greenbone-nvt-sync."
  else
    log_and_print "FIX: Run a synchronization script like openvas-nvt-sync or greenbone-nvt-sync."
  fi
  check_failed
fi
echo "" >> $LOG

log_and_print "OK: NVT collection in $PLUGINSFOLDER contains $NVTCOUNT NVTs."

echo "Checking status of signature checking in OpenVAS Scanner ..." >> $LOG
NOSIGCHECK=`openvassd -s 2>>$LOG | grep nasl_no_signature_check | sed -e "s/^nasl_no_signature_check = //"`
if [ $NOSIGCHECK != "no" ]
then
  log_and_print "WARNING: Signature checking of NVTs is not enabled in OpenVAS Scanner."
  log_and_print "SUGGEST: Enable signature checking (see http://www.openvas.org/trusted-nvts.html)."
else
  log_and_print "OK: Signature checking of NVTs is enabled in OpenVAS Scanner."
fi
echo "" >> $LOG

CACHEFOLDER=`openvassd -s 2>>$LOG | grep cache_folder | sed -e "s/^cache_folder = //"`
CACHECOUNT=`find $CACHEFOLDER -name "*nvti" | wc -l`
if [ $CACHECOUNT -lt $NVTCOUNT ]
then
  log_and_print "WARNING: The initial NVT cache has not yet been generated."
  log_and_print "SUGGEST: Start OpenVAS Scanner for the first time to generate the cache."
else
  log_and_print "OK: The NVT cache in $CACHEFOLDER contains $CACHECOUNT files for $NVTCOUNT NVTs."
fi
echo "" >> $LOG

echo "Step 2: Checking OpenVAS Manager ... "

echo "Checking presence of OpenVAS Manager ..." >> $LOG
openvasmd --version >> $LOG 2>&1
if [ $? -ne 0 ]
then
  log_and_print "ERROR: No OpenVAS Manager (openvasmd) found."
  log_and_print "FIX: Please install OpenVAS Manager."
  check_failed
fi
echo "" >> $LOG

VERSION=`openvasmd --version | head -1 | sed -e "s/OpenVAS Manager //"`

if [ `echo $VERSION | grep "^$MANAGER_MAJOR\.$MANAGER_MINOR" | wc -l` -ne "1" ]
then
  log_and_print "ERROR: OpenVAS Manager too old or too new: $VERSION"
  log_and_print "FIX: Please install OpenVAS Manager $MANAGER_MAJOR.$MANAGER_MINOR."
  log_and_print "HINT: Please see the --v6/7/8/9 command line options to check other major versions."
  check_failed
fi
echo "" >> $LOG

log_and_print "OK: OpenVAS Manager is present in version $VERSION."

if [ $VER -lt 9 ]
then
  echo "Checking OpenVAS Manager client certificate ..." >> $LOG
  CERTDIR=`dirname $CAFILE`
  CLIENTCERTFILE="$CERTDIR/clientcert.pem"
  if [ ! -e $CLIENTCERTFILE ]
  then
    log_and_print "ERROR: No client certificate file of OpenVAS Manager found."
    if [ $VER -ge 7 ]
    then
      log_and_print "FIX: Run 'openvas-mkcert-client -n -i'"
    else
      log_and_print "FIX: Run 'openvas-mkcert-client -n om -i'"
    fi
    check_failed
  fi
  echo "" >> $LOG

  log_and_print "OK: OpenVAS Manager client certificate is present as $CLIENTCERTFILE."
fi

echo "Checking OpenVAS Manager database ..." >> $LOG
# Guess openvas state dir from $PLUGINSFOLDER
STATEDIR=`dirname $PLUGINSFOLDER`
TASKSDB="$STATEDIR/mgr/tasks.db"
if [ ! -e $TASKSDB ]
then
  log_and_print "ERROR: No OpenVAS Manager database found. (Tried: $TASKSDB)"
  log_and_print "FIX: Run 'openvasmd --rebuild' while OpenVAS Scanner is running."

  OPENVASSD_RUNNING=`ps -Af | grep -ic "[o]penvassd: waiting for incoming connections"`
  if [ $OPENVASSD_RUNNING -eq 0 ]
  then
    log_and_print "WARNING: OpenVAS Scanner is NOT running!" ;
    log_and_print "SUGGEST: Start OpenVAS Scanner (openvassd)." ;
  fi

  check_failed
fi
echo "" >> $LOG

log_and_print "OK: OpenVAS Manager database found in $TASKSDB."

echo "Checking access rights of OpenVAS Manager database ..." >> $LOG
TASKSDBPERMS=`stat -c "%a" "$TASKSDB"`
if [ "$TASKSDBPERMS" != "600" ]
then
  log_and_print "ERROR: The access rights of the OpenVAS Manager database are incorrect."
  log_and_print "FIX: Run 'chmod 600 $TASKSDB'."
  check_failed
fi
echo "" >> $LOG

log_and_print "OK: Access rights for the OpenVAS Manager database are correct."

echo "Checking sqlite3 presence ..." >> $LOG
SQLITE3=`type sqlite3 2> /dev/null`
if [ $? -ne 0 ]
then
  log_and_print "WARNING: Could not find sqlite3 binary, extended manager checks of the OpenVAS Manager installation are disabled."
  log_and_print "SUGGEST: Install sqlite3."
  HAVE_SQLITE=0
else
  log_and_print "OK: sqlite3 found, extended checks of the OpenVAS Manager installation enabled."
  HAVE_SQLITE=1
fi
echo "" >> $LOG

if [ $HAVE_SQLITE -eq 1 ]
then
  echo "Checking OpenVAS Manager database revision ..." >> $LOG
  TASKSDBREV=`sqlite3 $TASKSDB "select value from meta where name='database_version';"`
  if [ -z $TASKSDBREV ]
  then
    log_and_print "ERROR: Could not determine database revision, database corrupt or in invalid format."
    log_and_print "FIX: Delete database at $TASKSDB and rebuild it."
    check_failed
  else
    log_and_print "OK: OpenVAS Manager database is at revision $TASKSDBREV."
  fi
  echo "Checking database revision expected by OpenVAS Manager ..." >> $LOG
  MANAGERDBREV=`openvasmd --version | grep "Manager DB revision" | sed -e "s/.*\ //"`
  if [ -z $MANAGERDBREV ]
  then
    log_and_print "ERROR: Could not determine database revision expected by OpenVAS Manager."
    log_and_print "FIX: Ensure OpenVAS Manager is installed correctly."
    check_failed
  else
    log_and_print "OK: OpenVAS Manager expects database at revision $MANAGERDBREV."
  fi
  if [ $TASKSDBREV -lt $MANAGERDBREV ]
  then
    log_and_print "ERROR: Database schema is out of date."
    log_and_print "FIX: Run 'openvasmd --migrate'."
    check_failed
  else
    log_and_print "OK: Database schema is up to date."
  fi
  echo "Checking OpenVAS Manager database (NVT data) ..." >> $LOG
  DBNVTCOUNT=`sqlite3 $TASKSDB "select count(*) from nvts;"`
  if [ $DBNVTCOUNT -lt 20000 ]
  then
    log_and_print "ERROR: The number of NVTs in the OpenVAS Manager database is too low."
    log_and_print "FIX: Make sure OpenVAS Scanner is running with an up-to-date NVT collection and run 'openvasmd --rebuild'."

    OPENVASSD_RUNNING=`ps -Af | grep -ic "[o]penvassd: waiting for incoming connections"`
    if [ $OPENVASSD_RUNNING -eq 0 ]
    then
      log_and_print "WARNING: OpenVAS Scanner is NOT running!" ;
      log_and_print "SUGGEST: Start OpenVAS Scanner (openvassd)." ;
    fi

    check_failed
  else
    log_and_print "OK: OpenVAS Manager database contains information about $DBNVTCOUNT NVTs."
  fi
fi

if [ $ADMINISTRATOR_MAJOR = "0" ]
then
  echo "Checking if users exist ..." >> $LOG
  if [ $VER != "7" ]
  then
    USERCOUNT=`openvasmd --get-users | sed -e "/^$/d" | wc -l`
  else
    USERCOUNT=`openvasmd --list-users | sed -e "/^$/d" | wc -l`
  fi
  if [ $USERCOUNT -eq 0 ]
  then
    log_and_print "ERROR: No users found. You need to create at least one user to log in."
    log_and_print "       It is recommended to have at least one user with role Admin."
    log_and_print "FIX: create a user by running 'openvasmd --create-user=<name> --role=Admin && openvasmd --user=<name> --new-password=<password>'"
    check_failed
  else
    log_and_print "OK: At least one user exists."
  fi
  echo "" >> $LOG
fi

# TODO: Do a check for presence of at least one Admin user.

echo "Checking OpenVAS SCAP database ..." >> $LOG
# Guess openvas state dir from $PLUGINSFOLDER
STATEDIR=`dirname $PLUGINSFOLDER`
SCAPDB="$STATEDIR/scap-data/scap.db"
if [ ! -e $SCAPDB ]
then
  log_and_print "ERROR: No OpenVAS SCAP database found. (Tried: $SCAPDB)"
  if [ $VER -ge 9 ]
  then
    log_and_print "FIX: Run a SCAP synchronization script like greenbone-scapdata-sync."
  else
    log_and_print "FIX: Run a SCAP synchronization script like openvas-scapdata-sync or greenbone-scapdata-sync."
  fi
  check_failed
fi
echo "" >> $LOG

log_and_print "OK: OpenVAS SCAP database found in $SCAPDB."

if [ "$VER" -ge 6 ]
then
  echo "Checking OpenVAS CERT database ..." >> $LOG
  # Guess openvas state dir from $PLUGINSFOLDER
  STATEDIR=`dirname $PLUGINSFOLDER`
  CERTDB="$STATEDIR/cert-data/cert.db"
  if [ ! -e $CERTDB ]
  then
    log_and_print "ERROR: No OpenVAS CERT database found. (Tried: $CERTDB)"
    if [ $VER -ge 9 ]
    then
      log_and_print "FIX: Run a CERT synchronization script like greenbone-certdata-sync."
    else
      log_and_print "FIX: Run a CERT synchronization script like openvas-certdata-sync or greenbone-certdata-sync."
    fi
    check_failed
  fi
  echo "" >> $LOG

  log_and_print "OK: OpenVAS CERT database found in $CERTDB."
fi

echo "Checking xsltproc presence ..." >> $LOG
XSLTPROC=`type xsltproc 2> /dev/null`
if [ $? -ne 0 ]
then
  log_and_print "WARNING: Could not find xsltproc binary, most report formats will not work."
  log_and_print "SUGGEST: Install xsltproc."
else
  log_and_print "OK: xsltproc found."
fi
echo "" >> $LOG


if [ $ADMINISTRATOR_MAJOR != "0" ]
then
  echo "Step 3: Checking OpenVAS Administrator ... "

  echo "Checking presence of OpenVAS Administrator ..." >> $LOG
  openvasad --version >> $LOG 2>&1
  if [ $? -ne 0 ]
  then
    log_and_print "ERROR: No OpenVAS Administrator (openvasad) found."
    log_and_print "FIX: Please install OpenVAS Administrator."
    check_failed
  fi
  echo "" >> $LOG
  
  VERSION=`openvasad --version | head -1 | sed -e "s/OpenVAS Administrator //"`
  
  if [ `echo $VERSION | grep "^$ADMINISTRATOR_MAJOR\.$ADMINISTRATOR_MINOR" | wc -l` -ne "1" ]
  then
    log_and_print "ERROR: OpenVAS Administrator too old or too new: $VERSION"
    log_and_print "FIX: Please install OpenVAS Administrator $ADMINISTRATOR_MAJOR.$ADMINISTRATOR_MINOR."
    log_and_print "HINT: Please see the --v6/7/8/9 command line options to check other major versions."
    check_failed
  fi
  echo "" >> $LOG
  
  log_and_print "OK: OpenVAS Administrator is present in version $VERSION."

  echo "Checking if users exist ..." >> $LOG
  USERCOUNT=`openvasad -c "list_users" | sed -e "/^$/d" | wc -l`
  if [ $USERCOUNT -eq 0 ]
  then
    log_and_print "ERROR: No users found. You need to create at least one user to log in."
    log_and_print "       It is recommended to have at least one user with role Admin."
    log_and_print "FIX: Create a user using 'openvasad -c 'add_user' -n <name> --role=Admin'"
    check_failed
  else
    log_and_print "OK: At least one user exists."
  fi
  echo "" >> $LOG
  
  echo "Checking if at least one admin user exists ..." >> $LOG
  ADMINEXISTS=`ls $STATEDIR/users/*/isadmin 2> /dev/null`
  if [ $? -ne 0 ]
  then
    log_and_print "ERROR: No admin user found. You need to create at least one admin user to log in."
    log_and_print "FIX: Create a user using 'openvasad -c 'add_user' -n <name> -r Admin'"
    check_failed
  else
    log_and_print "OK: At least one admin user exists."
  fi
  echo "" >> $LOG
else
  echo "Step 3: Checking user configuration ... "
  # TODO: Here we need new tests for presense of user and admin. Possibly based
  # on sqlite3 calls (which in turn means to check for sqlite3 which isn't a runtime
  # requirement for OpenVAS).
fi

if [ $VER -ge 6 ]
then
  echo "Checking status of password policy ..." >> $LOG
  CONFFILE=`openvassd -s 2>>$LOG | grep config_file | sed -e "s/^config_file = //"`
  CONFDIR=`dirname $CONFFILE`
  grep -v "^[#]" $CONFDIR/pwpolicy.conf | grep -v "^$" > /dev/null 2>&1
  if [ $? -ne 0 ]
  then
    log_and_print "WARNING: Your password policy is empty."
    log_and_print "SUGGEST: Edit the $CONFDIR/pwpolicy.conf file to set a password policy."
  else
    log_and_print "OK: The password policy file at $CONFDIR/pwpolicy.conf contains entries."
  fi
  echo "" >> $LOG
fi

echo "Step 4: Checking Greenbone Security Assistant (GSA) ... "

echo "Checking presence of Greenbone Security Assistant ..." >> $LOG
gsad --version >> $LOG 2>&1
if [ $? -ne 0 ]
then
  log_and_print "ERROR: No Greenbone Security Assistant (gsad) found."
  log_and_print "FIX: Please install Greenbone Security Assistant."
  check_failed
fi
echo "" >> $LOG

VERSION=`gsad --version | head -1 | sed -e "s/Greenbone Security Assistant //"`

if [ `echo $VERSION | grep "^$GSA_MAJOR\.$GSA_MINOR" | wc -l` -ne "1" ]
then
  log_and_print "ERROR: Greenbone Security Assistant too old or too new: $VERSION"
  log_and_print "FIX: Please install Greenbone Security Assistant $GSA_MAJOR.$GSA_MINOR."
  log_and_print "HINT: Please see the --v6/7/8/9 command line options to check other major versions."
  check_failed
fi
echo "" >> $LOG

log_and_print "OK: Greenbone Security Assistant is present in version $VERSION."

if [ "$VER" -ge 9 ]
then
  echo "Verifying certificate infrastructure ..." >> $LOG
  openvas-manage-certs -V >> $LOG 2>&1
  if [ $? -ne 0 ]
  then
    log_and_print "ERROR: Your OpenVAS certificate infrastructure did NOT pass validation."
    log_and_print "FIX: Run 'openvas-manage-certs -a'."
    check_failed
  fi
  echo "" >> $LOG

  log_and_print "OK: Your OpenVAS certificate infrastructure passed validation."
fi


echo "Step 5: Checking OpenVAS CLI ... "

if [ "$MODE" != "server" ]
then
  echo "Checking presence of OpenVAS CLI ..." >> $LOG
  omp --version >> $LOG 2>&1
  if [ $? -ne 0 ]
  then
    log_and_print "ERROR: No OpenVAS CLI (omp) found."
    log_and_print "FIX: Please install OpenVAS CLI."
    log_and_print "HINT: Please see the --server command line option to skip this check."
    check_failed
  fi
  echo "" >> $LOG

  VERSION=`omp --version | head -1 | sed -e "s/OMP Command Line Interface //"`

  if [ `echo $VERSION | grep "^$CLI_MAJOR\.$CLI_MINOR" | wc -l` -ne "1" ]
  then
    log_and_print "ERROR: OpenVAS CLI too old or too new: $VERSION"
    log_and_print "FIX: Please install OpenVAS CLI $CLI_MAJOR.$CLI_MINOR."
    log_and_print "HINT: Please see the --v6/7/8/9 command line options to check other major versions."
    check_failed
  fi
  echo "" >> $LOG

  log_and_print "OK: OpenVAS CLI version $VERSION."
else
  log_and_print "SKIP: Skipping check for OpenVAS CLI."
fi


echo "Step 6: Checking Greenbone Security Desktop (GSD) ... "

if [ "$MODE" != "server" -a "$VER" -le 6 ]
then
  echo "Checking presence of Greenbone Security Desktop ..." >> $LOG

  DISPLAY=fake gsd --version >> $LOG 2>&1
  if [ $? -ne 0 ]
  then
    if [ "$VER" -ge 6 ]
    then
      log_and_print "WARNING: No Greenbone Security Desktop (gsd) found or too old."
      log_and_print "SUGGEST: Please install Greenbone Security Desktop $GSD_MAJOR.$GSD_MINOR."
    else
      log_and_print "ERROR: No Greenbone Security Desktop (gsd) found or too old."
      log_and_print "FIX: Please install Greenbone Security Desktop $GSD_MAJOR.$GSD_MINOR."
      check_failed
    fi
    log_and_print "SKIP: Skipping further check for Greenbone Security Desktop."
  else
    echo "" >> $LOG

    VERSION=`gsd --version | head -1 | sed -e "s/Greenbone Security Desktop //"`

    if [ `echo $VERSION | grep "^$GSD_MAJOR\.$GSD_MINOR" | wc -l` -ne "1" ]
    then
      if [ $VER -lt "6" ]
      then
        log_and_print "ERROR: Greenbone Security Desktop too old or too new: $VERSION"
        log_and_print "FIX: Please install Greenbone Security Desktop $GSD_MAJOR.$GSD_MINOR."
        log_and_print "HINT: Please see the --v6/7/8/9 command line options to check other major versions."
        check_failed
      else
        log_and_print "WARNING: Greenbone Security Desktop too old or too new: $VERSION"
        log_and_print "SUGGEST: Please install Greenbone Security Desktop $GSD_MAJOR.$GSD_MINOR."
        log_and_print "HINT: Please see the --v6/7/8/9 command line options to check other major versions."
      fi
    fi
    echo "" >> $LOG

    log_and_print "OK: Greenbone Security Desktop is present in Version $VERSION."
  fi
else
  log_and_print "SKIP: Skipping check for Greenbone Security Desktop."
fi


echo "Step 7: Checking if OpenVAS services are up and running ... "

echo "Checking netstat presence ..." >> $LOG
NETSTAT=`type netstat 2> /dev/null`
if [ $? -ne 0 ]
then
  log_and_print "WARNING: Could not find netstat binary, checks of the OpenVAS services are disabled."
  log_and_print "SUGGEST: Install netstat."
  HAVE_NETSTAT=0
else
  log_and_print "OK: netstat found, extended checks of the OpenVAS services enabled."
  HAVE_NETSTAT=1
fi
echo "" >> $LOG

if [ $HAVE_NETSTAT -eq 1 ]
then
  netstat -A inet -A inet6 -ntlp 2> /dev/null >> $LOG
  OPENVASSD_HOST=`netstat -A inet -A inet6 -ntlp 2> /dev/null | grep openvassd | awk -F\  '{print $4}' | awk -F: 'sub(FS $NF,x)'`
  OPENVASSD_PORT=`netstat -A inet -A inet6 -ntlp 2> /dev/null | grep openvassd | awk -F\  '{print $4}' | awk -F: '{print $NF}'`
  OPENVASMD_HOST=`netstat -A inet -A inet6 -ntlp 2> /dev/null | grep openvasmd | awk -F\  '{print $4}' | awk -F: 'sub(FS $NF,x)'`
  OPENVASMD_PORT=`netstat -A inet -A inet6 -ntlp 2> /dev/null | grep openvasmd | awk -F\  '{print $4}' | awk -F: '{print $NF}'`
  OPENVASAD_HOST=`netstat -A inet -A inet6 -ntlp 2> /dev/null | grep openvasad | awk -F\  '{print $4}' | awk -F: 'sub(FS $NF,x)'`
  OPENVASAD_PORT=`netstat -A inet -A inet6 -ntlp 2> /dev/null | grep openvasad | awk -F\  '{print $4}' | awk -F: '{print $NF}'`
  GSAD_HOST=`netstat -A inet -A inet6 -ntlp 2> /dev/null | grep gsad | awk -F\  '{print $4}' | awk -F: 'sub(FS $NF,x)'`
  GSAD_PORT=`netstat -A inet -A inet6 -ntlp 2> /dev/null | grep gsad | awk -F\  '{print $4}' | awk -F: '{print $NF}' | tail -1`

  if [ $VER -ge 9 ]
  then
    OPENVASSD_SOCKET_FOUND=0
    if netstat -A unix -nlp 2> /dev/null | grep "openvassd\.sock" > /dev/null
    then
      OPENVASSD_SOCKET_FOUND=1
    fi
    if [ $OPENVASSD_SOCKET_FOUND -eq 1 ]
    then
      log_and_print "OK: OpenVAS Scanner is running and listening on a Unix domain socket."
      OPENVASSD_PORT=1 ;
    else
      log_and_print "ERROR: OpenVAS Scanner is NOT running!"
      log_and_print "FIX: Start OpenVAS Scanner (openvassd)."
      OPENVASSD_PORT=-1 ;
    fi
  else
    case "$OPENVASSD_HOST" in
      "0.0.0.0"|"::") log_and_print "OK: OpenVAS Scanner is running and listening on all interfaces." ;;
      "127.0.0.1") log_and_print "OK: OpenVAS Scanner is running and listening only on the local interface." ;;
      "") OPENVASSD_PROC=`ps -Af | grep -ic "[o]penvassd: waiting for incoming connections"`
        if [ $OPENVASSD_PROC -eq 0 ]
        then
          log_and_print "ERROR: OpenVAS Scanner is NOT running!" ;
          log_and_print "FIX: Start OpenVAS Scanner (openvassd)." ;
          OPENVASSD_PORT=-1 ;
        else
          log_and_print "WARNING: OpenVAS Scanner seems to be run by another user!" ;
          log_and_print "FIX: If intended this is OK (e.g. as root). But we can not determine the port." ;
          log_and_print "FIX: You might face subsequent problems if not intended." ;
          OPENVASSD_PORT=1 ;
        fi
        ;;
    esac
    case $OPENVASSD_PORT in
      -1) ;;
      9391) log_and_print "OK: OpenVAS Scanner is listening on port 9391, which is the default port." ;;
      *) log_and_print "WARNING: OpenVAS Scanner is listening on port $OPENVASSD_PORT, which is NOT the default port!"
        log_and_print "SUGGEST: Ensure OpenVAS Scanner is listening on port 9391." ;;
    esac
  fi

  if [ $VER -ge 9 ]
  then
    OPENVASMD_SOCKET_FOUND=0
    if netstat -A unix -nlp 2> /dev/null | grep "openvasmd\.sock" > /dev/null
    then
      OPENVASMD_SOCKET_FOUND=1
    fi
    if [ $OPENVASMD_SOCKET_FOUND -eq 1 ]
    then
      log_and_print "OK: OpenVAS Manager is running and listening on a Unix domain socket."
      OPENVASMD_PORT=1
    else
      case "$OPENVASMD_HOST" in
        "0.0.0.0"|"::") log_and_print "OK: OpenVAS Manager is running and listening on all interfaces." ;;
        "127.0.0.1") log_and_print "WARNING: OpenVAS Manager is running and listening only on the local interface."
          log_and_print "This means that you will not be able to access the OpenVAS Manager from the"
          log_and_print "outside using GSD or OpenVAS CLI."
          log_and_print "SUGGEST: Ensure that OpenVAS Manager listens on all interfaces unless you want"
          log_and_print "a local service only."
          OPENVASMD_PORT=1 ;;
        "") log_and_print "ERROR: OpenVAS Manager is NOT running!"
          log_and_print "FIX: Start OpenVAS Manager (openvasmd)."
          OPENVASMD_PORT=-1 ;;
      esac
    fi
  else
    case "$OPENVASMD_HOST" in
      "0.0.0.0"|"::") log_and_print "OK: OpenVAS Manager is running and listening on all interfaces." ;;
      "127.0.0.1") log_and_print "WARNING: OpenVAS Manager is running and listening only on the local interface."
        log_and_print "This means that you will not be able to access the OpenVAS Manager from the"
        log_and_print "outside using GSD or OpenVAS CLI."
        log_and_print "SUGGEST: Ensure that OpenVAS Manager listens on all interfaces unless you want"
        log_and_print "a local service only." ;;
      "") log_and_print "ERROR: OpenVAS Manager is NOT running!"
        log_and_print "FIX: Start OpenVAS Manager (openvasmd)."
        OPENVASMD_PORT=-1 ;;
    esac
    case $OPENVASMD_PORT in
      -1) ;;
      9390) log_and_print "OK: OpenVAS Manager is listening on port 9390, which is the default port." ;;
      *) log_and_print "WARNING: OpenVAS Manager is listening on port $OPENVASMD_PORT, which is NOT the default port!"
        log_and_print "SUGGEST: Ensure OpenVAS Manager is listening on port 9390." ;;
    esac
  fi

  if [ $ADMINISTRATOR_MAJOR != "0" ]
  then
    case "$OPENVASAD_HOST" in
      "0.0.0.0") log_and_print "OK: OpenVAS Administrator is running and listening on all interfaces." ;;
      "127.0.0.1") log_and_print "OK: OpenVAS Administrator is running and listening only on the local interface." ;;
      "") log_and_print "ERROR: OpenVAS Administrator is NOT running!"
          log_and_print "FIX: Start OpenVAS Administrator (openvasad)."
          OPENVASAD_PORT=-1 ;;
    esac
    case $OPENVASAD_PORT in
      -1) ;;
      9393) log_and_print "OK: OpenVAS Administrator is listening on port 9393, which is the default port." ;;
      *) log_and_print "WARNING: OpenVAS Administrator is listening on port $OPENVASAD_PORT, which is NOT the default port!"
         log_and_print "SUGGEST: Ensure OpenVAS Administrator is listening on port 9393." ;;
    esac
  else
    OPENVASAD_PORT=1; # to make this not a failure because we do not need openvasad at all
  fi

  case "$GSAD_HOST" in
    "0.0.0.0"|"::") log_and_print "OK: Greenbone Security Assistant is running and listening on all interfaces." ;;
    "127.0.0.1") log_and_print "WARNING: Greenbone Security Assistant is running and listening only on the local interface."
                 log_and_print "This means that you will not be able to access the Greenbone Security Assistant from the"
                 log_and_print "outside using a web browser."
                 log_and_print "SUGGEST: Ensure that Greenbone Security Assistant listens on all interfaces." ;;
    "") log_and_print "ERROR: Greenbone Security Assistant is NOT running!"
        log_and_print "FIX: Start Greenbone Security Assistant (gsad)."
        GSAD_PORT=-1 ;;
  esac
  case $GSAD_PORT in
    -1) ;;
    80|443|9392) log_and_print "OK: Greenbone Security Assistant is listening on port $GSAD_PORT, which is the default port." ;;
    *) log_and_print "WARNING: Greenbone Security Assistant is listening on port $GSAD_PORT, which is NOT the default port!"
       log_and_print "SUGGEST: Ensure Greenbone Security Assistant is listening on one of the following ports: 80, 443, 9392." ;;
  esac

  if [ $OPENVASSD_PORT -eq -1 ] || [ $OPENVASMD_PORT -eq -1 ] || [ $OPENVASAD_PORT -eq -1 ] || [ $GSAD_PORT -eq -1 ]
  then
    check_failed
  fi

fi

echo "Step 8: Checking nmap installation ..."

echo "Checking presence of nmap ..." >> $LOG
NMAP=`type nmap 2> /dev/null`
if [ $? -ne 0 ]
then
  if [ $SKIP_NMAP -eq 0 ]
    then 
      log_and_print "ERROR: No nmap installation found."
      log_and_print "FIX: The predefined scan configurations needs nmap as a port scanner. You should install nmap (see http://nmap.org)."
      log_and_print "HINT: Please see the --skip-nmap command line option to skip this check."
      check_failed
    else
      log_and_print "WARNING: No nmap installation found."
      log_and_print "WARNING: You need to add a port scanner from the 'Port scanners' family to your custom scan config and install this port scanner on your system."
  fi
else
  VERSION=`nmap --version | awk '/Nmap version/ { print $3 }'`
  if [ `echo $VERSION | grep "5\.51" | wc -l` -ne "1" ]
  then
    log_and_print "WARNING: Your version of nmap is not fully supported: $VERSION"
    log_and_print "SUGGEST: You should install nmap 5.51 if you plan to use the nmap NSE NVTs."
  else
    log_and_print "OK: nmap is present in version $VERSION."
  fi
fi
echo "" >> $LOG

echo "Step 10: Checking presence of optional tools ..."

echo "Checking presence of pdflatex ..." >> $LOG
PDFLATEX=`type pdflatex 2> /dev/null`
if [ $? -ne 0 ]
then
  log_and_print "WARNING: Could not find pdflatex binary, the PDF report format will not work."
  log_and_print "SUGGEST: Install pdflatex."
  HAVE_PDFLATEX=0
else
  log_and_print "OK: pdflatex found."
  HAVE_PDFLATEX=1
fi
echo "" >> $LOG

if [ $HAVE_PDFLATEX -eq 1 ]
then
  echo "Checking presence of LaTeX packages required for PDF report generation ..." >> $LOG
  PDFTMPDIR=`mktemp -d -t openvas-check-setup-tmp.XXXXXXXXXX`
  TEXFILE="$PDFTMPDIR/test.tex"
  cat <<EOT > $TEXFILE
\documentclass{article}
\pagestyle{empty}

%\usepackage{color}
\usepackage{tabularx}
\usepackage{geometry}
\usepackage{comment}
\usepackage{longtable}
\usepackage{titlesec}
\usepackage{chngpage}
\usepackage{calc}
\usepackage{url}
\usepackage[utf8x]{inputenc}

\DeclareUnicodeCharacter {135}{{\textascii ?}}
\DeclareUnicodeCharacter {129}{{\textascii ?}}
\DeclareUnicodeCharacter {128}{{\textascii ?}}

\usepackage{colortbl}

% must come last
\usepackage{hyperref}
\definecolor{linkblue}{rgb}{0.11,0.56,1}
\definecolor{inactive}{rgb}{0.56,0.56,0.56}
\definecolor{openvas_debug}{rgb}{0.78,0.78,0.78}
\definecolor{openvas_false_positive}{rgb}{0.2275,0.2275,0.2275}
\definecolor{openvas_log}{rgb}{0.2275,0.2275,0.2275}
\definecolor{openvas_hole}{rgb}{0.7960,0.1137,0.0902}
\definecolor{openvas_note}{rgb}{0.3255,0.6157,0.7961}
\definecolor{openvas_report}{rgb}{0.68,0.74,0.88}
\definecolor{openvas_user_note}{rgb}{1.0,1.0,0.5625}
\definecolor{openvas_user_override}{rgb}{1.0,1.0,0.5625}
\definecolor{openvas_warning}{rgb}{0.9764,0.6235,0.1922}
\hypersetup{colorlinks=true,linkcolor=linkblue,urlcolor=blue,bookmarks=true,bookmarksopen=true}
\usepackage[all]{hypcap}

%\geometry{verbose,a4paper,tmargin=24mm,bottom=24mm}
\geometry{verbose,a4paper}
\setlength{\parskip}{\smallskipamount}
\setlength{\parindent}{0pt}

\title{PDF Report Test}
\pagestyle{headings}
\pagenumbering{arabic}
\begin{document}
This is a test of the PDF generation capabilities of your OpenVAS installation. Please ignore.
\end{document}
EOT
  pdflatex -interaction batchmode -output-directory $PDFTMPDIR $TEXFILE > /dev/null 2>&1
  if [ ! -f "$PDFTMPDIR/test.pdf" ]
  then
    log_and_print "WARNING: PDF generation failed, most likely due to missing LaTeX packages. The PDF report format will not work."
    log_and_print "SUGGEST: Install required LaTeX packages."
  else
    log_and_print "OK: PDF generation successful. The PDF report format is likely to work."
  fi
  if [ -f "$PDFTMPDIR/test.log" ]
  then
    cat $PDFTMPDIR/test.log >> $LOG
  fi
  rm -rf $PDFTMPDIR
fi

echo "Checking presence of ssh-keygen ..." >> $LOG
SSHKEYGEN=`type ssh-keygen 2> /dev/null`
if [ $? -ne 0 ]
then
  log_and_print "WARNING: Could not find ssh-keygen binary, LSC credential generation for GNU/Linux targets will not work."
  log_and_print "SUGGEST: Install ssh-keygen."
  HAVE_SSHKEYGEN=0
else
  log_and_print "OK: ssh-keygen found, LSC credential generation for GNU/Linux targets is likely to work."
  HAVE_SSHKEYGEN=1
fi
echo "" >> $LOG

if [ $HAVE_SSHKEYGEN -eq 1 ]
then
  echo "Checking presence of rpm ..." >> $LOG
  RPM=`type rpm 2> /dev/null`
  if [ $? -ne 0 ]
  then
    log_and_print "WARNING: Could not find rpm binary, LSC credential package generation for RPM and DEB based targets will not work."
    log_and_print "SUGGEST: Install rpm."
    HAVE_RPM=0
  else
    log_and_print "OK: rpm found, LSC credential package generation for RPM based targets is likely to work."
    HAVE_RPM=1
  fi
  echo "" >> $LOG

  if [ $HAVE_RPM -eq 1 ]
  then
    echo "Checking presence of alien ..." >> $LOG
    ALIEN=`type alien 2> /dev/null`
    if [ $? -ne 0 ]
    then
      log_and_print "WARNING: Could not find alien binary, LSC credential package generation for DEB based targets will not work."
      log_and_print "SUGGEST: Install alien."
      HAVE_ALIEN=0
    else
      log_and_print "OK: alien found, LSC credential package generation for DEB based targets is likely to work."
      HAVE_ALIEN=1
    fi
    echo "" >> $LOG
  fi
fi

echo "Checking presence of nsis ..." >> $LOG
NSIS=`type makensis 2> /dev/null`
if [ $? -ne 0 ]
then
  log_and_print "WARNING: Could not find makensis binary, LSC credential package generation for Microsoft Windows targets will not work."
  log_and_print "SUGGEST: Install nsis."
  HAVE_NSIS=0
else
  log_and_print "OK: nsis found, LSC credential package generation for Microsoft Windows targets is likely to work."
  HAVE_NSIS=1
fi

echo "Checking for SELinux ..." >> $LOG
selinux=`getenforce 2>/dev/null`
if [ $? -eq 0 ]
then
 if [ $selinux != "Disabled" ]
 then
  log_and_print "ERROR: SELinux is enabled. For a working OpenVAS installation you need to disable it."
  log_and_print "FIX: Please disable SELinux."
  check_failed
 else
  log_and_print "OK: SELinux is disabled."
 fi 
fi

echo "" >> $LOG

echo ""
echo "It seems like your OpenVAS-$VER installation is OK."
echo ""
echo "If you think it is not OK, please report your observation"
echo "and help us to improve this check routine:"
echo "http://lists.wald.intevation.org/mailman/listinfo/openvas-discuss"
echo "Please attach the log-file ($LOG) to help us analyze the problem."
echo ""