debian-cis/bin/hardening/10.4_default_umask.sh

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#!/bin/bash
#
# CIS Debian 7 Hardening
#
#
# 10.4 Set Default umask for Users (Scored)
#
set -e # One error, it's over
set -u # One variable unset, it's over
USER='root'
PATTERN='umask 077'
FILES_TO_SEARCH='/etc/bash.bashrc /etc/profile.d/* /etc/profile'
FILE='/etc/profile.d/CIS_10.4_umask.sh'
# This function will be called if the script status is on enabled / audit mode
audit () {
does_pattern_exist_in_file "$FILES_TO_SEARCH" "^$PATTERN"
if [ $FNRET != 0 ]; then
crit "$PATTERN is not present in $FILES_TO_SEARCH"
else
ok "$PATTERN is present in $FILES_TO_SEARCH"
fi
}
# This function will be called if the script status is on enabled mode
apply () {
does_pattern_exist_in_file "$FILES_TO_SEARCH" "^$PATTERN"
if [ $FNRET != 0 ]; then
warn "$PATTERN is not present in $FILES_TO_SEARCH"
touch $FILE
chmod 644 $FILE
add_end_of_file $FILE "$PATTERN"
else
ok "$PATTERN is present in $FILES_TO_SEARCH"
fi
}
# This function will check config parameters required
check_config() {
:
}
# 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