harbian-audit/bin/hardening/8.3.3_set_logfile_perm.sh

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#!/bin/bash
#
# harbian-audit for Debian GNU/Linux 7/8/9 Hardening
#
#
# 8.3.3 Create and Set Permissions on syslog-ng Log Files (Scored)
#
set -e # One error, it's over
set -u # One variable unset, it's over
HARDENING_LEVEL=3
PERMISSIONS='640'
USER='root'
GROUP='adm'
SERVICE_NAME_R="rsyslog"
# This function will be called if the script status is on enabled / audit mode
audit () {
is_pkg_installed $SERVICE_NAME_R
if [ $FNRET = 0 ]; then
ok "$SERVICE_NAME_R has installed, so pass."
FNRET=0
else
does_file_exist "$SYSLOG_BASEDIR/syslog-ng.conf"
if [ $FNRET != 0 ]; then
warn "$SYSLOG_BASEDIR/syslog-ng.conf is not exist! "
FNRET=1
else
FILES=$(grep "file(" $SYSLOG_BASEDIR/syslog-ng.conf | grep '"' | cut -d'"' -f 2)
for FILE in $FILES; do
does_file_exist $FILE
if [ $FNRET != 0 ]; then
crit "$FILE does not exist"
else
has_file_correct_ownership $FILE $USER $GROUP
if [ $FNRET = 0 ]; then
ok "$FILE has correct ownership"
else
crit "$FILE ownership was not set to $USER:$GROUP"
fi
has_file_correct_permissions $FILE $PERMISSIONS
if [ $FNRET = 0 ]; then
ok "$FILE has correct permissions"
else
crit "$FILE permissions were not set to $PERMISSIONS"
fi
fi
done
fi
fi
}
# This function will be called if the script status is on enabled mode
apply () {
is_pkg_installed $SERVICE_NAME_R
if [ $FNRET = 0 ]; then
ok "$SERVICE_NAME_R has installed, so pass."
FNRET=0
else
does_file_exist "$SYSLOG_BASEDIR/syslog-ng.conf"
if [ $FNRET != 0 ]; then
warn "$SYSLOG_BASEDIR/syslog-ng.conf is not exist! "
else
FILES=$(grep "file(" $SYSLOG_BASEDIR/syslog-ng.conf | grep '"' | cut -d'"' -f 2)
for FILE in $FILES; do
does_file_exist $FILE
if [ $FNRET != 0 ]; then
info "$FILE does not exist, create $FILE"
extend_touch_file $FILE
fi
has_file_correct_ownership $FILE $USER $GROUP
if [ $FNRET = 0 ]; then
ok "$FILE has correct ownership"
else
warn "fixing $FILE ownership to $USER:$GROUP"
chown $USER:$GROUP $FILE
fi
has_file_correct_permissions $FILE $PERMISSIONS
if [ $FNRET = 0 ]; then
ok "$FILE has correct permissions"
else
info "fixing $FILE permissions to $PERMISSIONS"
chmod 0$PERMISSIONS $FILE
fi
done
fi
fi
}
# This function will create the config file for this check with default values
create_config() {
cat <<EOF
status=disabled
SYSLOG_BASEDIR='/etc/syslog-ng'
EOF
}
# 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
}
# Source Root Dir Parameter
if [ -r /etc/default/cis-hardening ]; then
. /etc/default/cis-hardening
fi
if [ -z "$CIS_ROOT_DIR" ]; then
echo "There is no /etc/default/cis-hardening file nor cis-hardening directory in current environment."
echo "Cannot source CIS_ROOT_DIR variable, aborting."
exit 128
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