debian-cis/bin/hardening/13.10_find_user_rhosts_files.sh

#!/bin/bash

#
# CIS Debian Hardening
#

#
# 13.10 Check for Presence of User .rhosts Files (Scored)
#

set -e # One error, it's over
set -u # One variable unset, it's over

HARDENING_LEVEL=2
DESCRIPTION="No user's .rhosts file."

ERRORS=0
FILENAME=".rhosts"

# This function will be called if the script status is on enabled / audit mode
audit () {
    for DIR in $(cat /etc/passwd | egrep -v '(root|halt|sync|shutdown)' | awk -F: '($7 != "/usr/sbin/nologin" && $7 != "/bin/false" && $7 !="/nonexistent" ) { print $6 }'); do
    debug "Working on $DIR"
        for FILE in $DIR/$FILENAME; do
            if [ ! -h "$FILE" -a -f "$FILE" ]; then
                crit "$FILE present"
                ERRORS=$((ERRORS+1))
            fi
        done
    done

    if [ $ERRORS = 0 ]; then
        ok "No $FILENAME present in users home directory"
    fi 
}

# This function will be called if the script status is on enabled mode
apply () {
    info "If the audit returns something, please check with the user why he has this file"
}

# This function will check config parameters required
check_config() {
    :
}

# 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