harbian-audit/bin/hardening/13.13_check_user_homedir_ow...

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#!/bin/bash
#
# harbian audit 7/8/9 Hardening
#
#
# 13.13 Check User Home Directory Ownership (Scored)
#
set -e # One error, it's over
set -u # One variable unset, it's over
HARDENING_LEVEL=2
ERRORS=0
# This function will be called if the script status is on enabled / audit mode
audit () {
RESULT=$(cat /etc/passwd | awk -F: '{ print $1 ":" $3 ":" $6 }')
for LINE in $RESULT; do
debug "Working on $LINE"
USER=$(awk -F: {'print $1'} <<< $LINE)
USERID=$(awk -F: {'print $2'} <<< $LINE)
DIR=$(awk -F: {'print $3'} <<< $LINE)
if [ $USERID -ge 500 -a -d "$DIR" -a $USER != "nfsnobody" ]; then
OWNER=$(stat -L -c "%U" "$DIR")
if [ "$OWNER" != "$USER" ]; then
crit "The home directory ($DIR) of user $USER is owned by $OWNER."
ERRORS=$((ERRORS+1))
fi
fi
done
if [ $ERRORS = 0 ]; then
ok "All home directories have correct ownership"
fi
}
# This function will be called if the script status is on enabled mode
apply () {
cat /etc/passwd | awk -F: '{ print $1 " " $3 " " $6 }' | while read USER USERID DIR; do
if [ $USERID -ge 500 -a -d "$DIR" -a $USER != "nfsnobody" ]; then
OWNER=$(stat -L -c "%U" "$DIR")
if [ "$OWNER" != "$USER" ]; then
warn "The home directory ($DIR) of user $USER is owned by $OWNER."
chown $USER $DIR
fi
fi
done
}
# This function will check config parameters required
check_config() {
:
}
# Source Root Dir Parameter
if [ -r /etc/default/cis-hardening ]; then
. /etc/default/cis-hardening
fi
if [ -z "$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