SSH users can't use unzip

[lobius]

Of course, works as root.

root@rule303:~# cd /var/www/clients/client2/web4
root@rule303:/var/www/clients/client2/web4# cd web
root@rule303:/var/www/clients/client2/web4/web# ls
administrator      eurofxref-daily.xml  libraries    robots.txt
cache              images               LICENSE.txt  stats
cli                includes             logs         templates
components         index.php            media        tmp
configuration.php  installation         modules      web.config.txt
custom_code        joomla.tar.bz2       plugins
error              language             README.txt
root@rule303:/var/www/clients/client2/web4/web# chown -R www-data:www-data /var/www/clients/client2/web4/web
root@rule303:/var/www/clients/client2/web4/web# find . -type f -exec chmod 644 {} \;
root@rule303:/var/www/clients/client2/web4/web# find . -type d -exec chmod 755 {} \;
root@rule303:/var/www/clients/client2/web4/web#

Is there a way to fine tune the permissions without a blanket on/off for the jail kit?