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#!/bin/sh
################################################################################
# #
# Copyright (C) 2008-2012 LABBE Corentin <corentin.labbe@geomatys.fr>
#
# YASAT is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# YASAT 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 YASAT. If not, see <http://www.gnu.org/licenses/>.
# #
################################################################################
SSH_CONF_REP="/etc/ssh/"
Title "Check ssh and sshd configurations"
if [ ! -e "$SSH_CONF_REP" ]; then
echo "strange no ssh directory"
return 1;
fi
#TODO not always /usr/sbin/sshd
check_file /usr/sbin/sshd 2 BINARY
#YASAT_TEST_SSH_1 PermitRootLogin must be set to no
FindValueOf ${SSH_CONF_REP}/sshd_config PermitRootLogin JUSTTEST
if [ ! -z "$RESULTAT" ] ; then
if [ "$RESULTAT" = "yes" ] ;then
Display --indent 2 --text "PermitRootLogin" --result "$RESULTAT" --color RED --advice SSH_ROOT_LOGIN
else
Display --indent 2 --text "PermitRootLogin" --result "$RESULTAT" --color GREEN
fi
else
Display --indent 2 --text "PermitRootLogin" --result NOTFOUND --color RED --advice SSH_ROOT_LOGIN
fi
#YASAT_TEST_SSH_2 PermitEmptyPassword must be set to no
FindValueOf ${SSH_CONF_REP}/sshd_config PermitEmptyPassword JUSTTEST
if [ ! -z "$RESULTAT" ] ; then
if [ "$RESULTAT" = "no" ] ;then
Display --indent 2 --text "PermitEmptyPassword" --result "$RESULTAT" --color RED
else
Display --indent 2 --text "PermitEmptyPassword" --result "$RESULTAT" --color GREEN
fi
else
Display --indent 2 --text "PermitEmptyPassword" --result NOTFOUND --color GREEN
fi
#YASAT_TEST_SSH_3 HostbasedAuthentication must be set to no
FindValueOf ${SSH_CONF_REP}/sshd_config HostbasedAuthentication JUSTTEST
if [ ! -z "$RESULTAT" ] ;then
if [ "$RESULTAT" = "yes" ] ;then
Display --indent 2 --text "HostbasedAuthentication" --result "$RESULTAT" --color RED
else
Display --indent 2 --text "HostbasedAuthentication" --result "$RESULTAT" --color GREEN
fi
else
Display --indent 2 --text "HostbasedAuthentication" --result NOTFOUND --color GREEN
fi
#YASAT_TEST_SSH_4 RhostsAuthentication must be set to no
FindValueOf ${SSH_CONF_REP}/sshd_config RhostsAuthentication JUSTTEST
if [ ! -z "$RESULTAT" ] ;then
if [ "$RESULTAT" = "yes" ] ;then
Display --indent 2 --text "RhostsAuthentication" --result "$RESULTAT" --color RED
else
Display --indent 2 --text "RhostsAuthentication" --result "$RESULTAT" --color GREEN
fi
else
Display --indent 2 --text "RhostsAuthentication" --result NOTFOUND --color GREEN
fi
#YASAT_TEST_SSH_5 Protocol must be set to 2
FindValueOf ${SSH_CONF_REP}/sshd_config Protocol JUSTTEST
if [ ! -z "$RESULTAT" ] ;then
if [ "$RESULTAT" = "2" ] ;then
Display --indent 2 --text "Protocol" --result "$RESULTAT" --color GREEN
else
Display --indent 2 --text "Protocol" --result "$RESULTAT" --color RED
fi
else
Display --indent 2 --text "Protocol" --result NOTFOUND --color GREEN
fi
#YASAT_TEST_SSH_6 StrictModes must be set to yes
FindValueOf ${SSH_CONF_REP}/sshd_config StrictModes JUSTTEST
if [ ! -z "$RESULTAT" ] ; then
if [ "$RESULTAT" = "no" ] ; then
Display --indent 2 --text "StrictModes" --result "$RESULTAT" --color RED
else
Display --indent 2 --text "StrictModes" --result "$RESULTAT" --color GREEN
fi
else
Display --indent 2 --text "StrictModes" --result NOTFOUND --color GREEN
fi
#YASAT_TEST_SSH_7 UsePrivilegeSeparation must be set to yes
FindValueOf ${SSH_CONF_REP}/sshd_config UsePrivilegeSeparation JUSTTEST
if [ ! -z "$RESULTAT" ] ; then
if [ "$RESULTAT" = "no" ] ; then
Display --indent 2 --text "UsePrivilegeSeparation" --result "$RESULTAT" --color RED
else
Display --indent 2 --text "UsePrivilegeSeparation" --result "$RESULTAT" --color GREEN
fi
else
Display --indent 2 --text "UsePrivilegeSeparation" --result NOTFOUND --color GREEN
fi
#YASAT_TEST_SSH_8 X11Forwarding must be set to no
FindValueOf ${SSH_CONF_REP}/sshd_config X11Forwarding JUSTTEST
check_value "$RESULTAT" 'no' 'false' 'X11Forwarding' 'ORANGE' 'SSH_X11FORWARDING'
#YASAT_TEST_SSH_9 IgnoreRhosts must be set to yes
FindValueOf ${SSH_CONF_REP}/sshd_config IgnoreRhosts JUSTTEST
check_value "$RESULTAT" 'yes' 'false' 'IgnoreRhosts' 'RED' 'SSH_IGNORERHOSTS'
#check HostKey
#grep ^HostKey "${SSH_CONF_REP}/sshd_config"
#YASAT_TEST_SSH_10 Check ssh_host_dsa_key permissions
if [ -e "${SSH_CONF_REP}"/ssh_host_dsa_key ] ; then
check_private_key "${SSH_CONF_REP}"/ssh_host_dsa_key 2 sshd
fi
#YASAT_TEST_SSH_11 Check ssh_host_dsa_key.pub permissions
if [ -e "${SSH_CONF_REP}"/ssh_host_dsa_key ] ; then
check_a_file "${SSH_CONF_REP}"/ssh_host_dsa_key.pub 2 root "$ROOTGROUP" 644
fi
#YASAT_TEST_SSH_12 Check ssh_host_rsa_key permissions and keysize
if [ -e "${SSH_CONF_REP}"/ssh_host_rsa_key ] ; then
check_private_key "${SSH_CONF_REP}"/ssh_host_rsa_key 2 sshd
fi
#YASAT_TEST_SSH_13 Check ssh_host_rsa_key.pub permissions
if [ -e "${SSH_CONF_REP}"/ssh_host_rsa_key ] ; then
check_a_file "${SSH_CONF_REP}"/ssh_host_rsa_key 2 root "$ROOTGROUP" 644
fi
#YASAT_TEST_SSH_14 Check ssh_host_key permissions
if [ -e "${SSH_CONF_REP}"/ssh_host_key ] ; then
check_a_file "${SSH_CONF_REP}"/ssh_host_key 2 root "$ROOTGROUP" 600
fi
#YASAT_TEST_SSH_15 Check ssh_host_key.pub permissions
if [ -e "${SSH_CONF_REP}"/ssh_host_key ] ; then
check_a_file "${SSH_CONF_REP}"/ssh_host_key.pub 2 root "$ROOTGROUP" 644
fi
#YASAT_TEST_SSH_16 Check sshd_config_key permissions
if [ -e "${SSH_CONF_REP}"/sshd_config ] ; then
check_a_file "${SSH_CONF_REP}"/sshd_config 2 root "$ROOTGROUP" 600
fi
#YASAT_TEST_SSH_17 Check sshd_config_key permissions
if [ -e "${SSH_CONF_REP}"/ssh_config ] ; then
check_a_file "${SSH_CONF_REP}"/ssh_config 2 root "$ROOTGROUP" 644
fi
return 0;
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