debian-cis/bin/hardening/12.4_etc_passwd_ownership.sh
2016-04-22 08:34:28 +02:00

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#!/bin/bash
#
# CIS Debian 7 Hardening
#
#
# 12.4 Verify User/Group Ownership on /etc/passwd (Scored)
#
set -e # One error, it's over
set -u # One variable unset, it's over
FILE='/etc/passwd'
USER='root'
GROUP='root'
# This function will be called if the script status is on enabled / audit mode
audit () {
has_file_correct_ownership $FILE $USER $GROUP
if [ $FNRET = 0 ]; then
ok "$FILE has correct ownership"
else
crit "$FILE is not $USER:$GROUP ownership set"
fi
}
# This function will be called if the script status is on enabled mode
apply () {
has_file_correct_ownership $FILE $USER $GROUP
if [ $FNRET = 0 ]; then
ok "$FILE has correct ownership"
else
info "fixing $FILE ownership to $USER:$GROUP"
chown $USER:$GROUP $FILE
fi
}
# This function will check config parameters required
check_config() {
does_user_exist $USER
if [ $FNRET != 0 ]; then
crit "$USER does not exist"
exit 128
fi
does_group_exist $GROUP
if [ $FNRET != 0 ]; then
crit "$GROUP does not exist"
exit 128
fi
does_file_exist $FILE
if [ $FNRET != 0 ]; then
crit "$FILE does not exist"
exit 128
fi
}
# Source Root Dir Parameter
if [ ! -r /etc/default/cis-hardening ]; then
echo "There is no /etc/default/cis-hardening file, cannot source CIS_ROOT_DIR variable, aborting"
exit 128
else
. /etc/default/cis-hardening
if [ -z ${CIS_ROOT_DIR:-} ]; then
echo "No CIS_ROOT_DIR variable, aborting"
exit 128
fi
fi
# Main function, will call the proper functions given the configuration (audit, enabled, disabled)
if [ -r $CIS_ROOT_DIR/lib/main.sh ]; then
. $CIS_ROOT_DIR/lib/main.sh
else
echo "Cannot find main.sh, have you correctly defined your root directory? Current value is $CIS_ROOT_DIR in /etc/default/cis-hardening"
exit 128
fi