debian-cis/bin/hardening/12.8_find_unowned_files.sh
2017-05-18 18:40:09 +02:00

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#!/bin/bash
#
# CIS Debian 7/8 Hardening
#
#
# 12.8 Find Un-owned Files and Directories (Scored)
#
set -e # One error, it's over
set -u # One variable unset, it's over
HARDENING_LEVEL=2
USER='root'
# This function will be called if the script status is on enabled / audit mode
audit () {
info "Checking if there are unowned files"
RESULT=$(df --local -P | awk {'if (NR!=1) print $6'} | xargs -I '{}' find '{}' -xdev -nouser -print 2>/dev/null)
if [ ! -z "$RESULT" ]; then
crit "Some unowned files are present"
FORMATTED_RESULT=$(sed "s/ /\n/g" <<< $RESULT | sort | uniq | tr '\n' ' ')
crit "$FORMATTED_RESULT"
else
ok "No unowned files found"
fi
}
# This function will be called if the script status is on enabled mode
apply () {
RESULT=$(df --local -P | awk {'if (NR!=1) print $6'} | xargs -I '{}' find '{}' -xdev -nouser -ls 2>/dev/null)
if [ ! -z "$RESULT" ]; then
warn "Applying chown on all unowned files in the system"
df --local -P | awk {'if (NR!=1) print $6'} | xargs -I '{}' find '{}' -xdev -nouser -print 2>/dev/null | xargs chown $USER
else
ok "No unowned files found, nothing to apply"
fi
}
# This function will check config parameters required
check_config() {
# No param for this function
:
}
# 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