Fix permissions script

fix_permissions.sh

#!/bin/sh
PATH=/var/www
USER=ftp
GROUP=www

# do an early exit if another find command is already running
/bin/ps axc | /usr/bin/awk '{ print $5 }' | /usr/bin/grep -q find

if [ $? -eq 0 ]; then
	exit;
fi;

if [ ! -z "$1" ]; then
	PATH=$1;
fi;

if [ ! -z "$2" ]; then
	USER=$2;
fi;

if [ ! -z "$3" ]; then
	GROUP=$3;
fi;

export IFS=

/usr/bin/nice -n 19 \
/usr/bin/find $PATH \
\( -type f ! -perm 660 -print0 -exec /bin/sh -c "/bin/chmod -f 660 \$1 && exit 2" name {} \; \) -or \
\( -type d ! -perm 770 -print0 -exec /bin/sh -c "/bin/chmod -f 770 \$1 && exit 2" name {} \; \) -or \
\( \( ! -user $USER -or ! -group $GROUP \) -exec /usr/sbin/chown -h -f $USER:$GROUP {} + \) > /dev/null