Set sticky bits on public directories

src/freedombone-app-friendica

         if [ ! -d $friendica_dir/store/[data]/smarty3 ]; then
             mkdir -p $friendica_dir/store/[data]/smarty3
         fi
-        chmod 777 $friendica_dir/store/[data]/smarty3
+        chmod 1777 $friendica_dir/store/[data]/smarty3
         chown -R www-data:www-data $friendica_dir/*
         if [ -d $temp_restore_dir ]; then
             rm -rf $temp_restore_dir
         if [ ! -d /var/www/${FRIENDICA_DOMAIN_NAME}/htdocs/store/[data]/smarty3 ]; then
             mkdir -p /var/www/${FRIENDICA_DOMAIN_NAME}/htdocs/store/[data]/smarty3
         fi
-        chmod 777 /var/www/${FRIENDICA_DOMAIN_NAME}/htdocs/store/[data]/smarty3
+        chmod 1777 /var/www/${FRIENDICA_DOMAIN_NAME}/htdocs/store/[data]/smarty3
         chown -R www-data:www-data /var/www/${FRIENDICA_DOMAIN_NAME}/htdocs/*
     fi
     if [ -d /root/tempfriendica ]; then
     fi
     if [ ! -d "$FRIENDICA_PATH/store/[data]/smarty3" ]; then
         mkdir "$FRIENDICA_PATH/store/[data]/smarty3"
-        chmod 777 "$FRIENDICA_PATH/store/[data]/smarty3"
+        chmod 1777 "$FRIENDICA_PATH/store/[data]/smarty3"
     fi
-    chmod 777 $FRIENDICA_PATH/view/tpl
+    chmod 1777 $FRIENDICA_PATH/view/tpl
     chown -R www-data:www-data "$FRIENDICA_PATH/store"
-    chmod 777 $FRIENDICA_PATH/view/tpl/smarty3
+    chmod 1777 $FRIENDICA_PATH/view/tpl/smarty3
 
     # Ensure that the database gets backed up locally, if remote
     # backups are not being used

src/freedombone-app-hubzilla

         if [ ! -d $hubzilla_dir/store/[data]/smarty3 ]; then
             mkdir -p $hubzilla_dir/store/[data]/smarty3
         fi
-        chmod 777 $hubzilla_dir/store/[data]/smarty3
+        chmod 1777 $hubzilla_dir/store/[data]/smarty3
         chown -R www-data:www-data $hubzilla_dir/*
         if [ -d $temp_restore_dir ]; then
             rm -rf $temp_restore_dir
         if [ ! -d /var/www/${HUBZILLA_DOMAIN_NAME}/htdocs/store/[data]/smarty3 ]; then
             mkdir -p /var/www/${HUBZILLA_DOMAIN_NAME}/htdocs/store/[data]/smarty3
         fi
-        chmod 777 /var/www/${HUBZILLA_DOMAIN_NAME}/htdocs/store/[data]/smarty3
+        chmod 1777 /var/www/${HUBZILLA_DOMAIN_NAME}/htdocs/store/[data]/smarty3
         chown -R www-data:www-data /var/www/${HUBZILLA_DOMAIN_NAME}/htdocs/*
     fi
     if [ -d /root/temphubzilla ]; then
     fi
     if [ ! -d "$HUBZILLA_PATH/store/[data]/smarty3" ]; then
         mkdir "$HUBZILLA_PATH/store/[data]/smarty3"
-        chmod 777 "$HUBZILLA_PATH/store/[data]/smarty3"
+        chmod 1777 "$HUBZILLA_PATH/store/[data]/smarty3"
     fi
-    chmod 777 $HUBZILLA_PATH/view/tpl
+    chmod 1777 $HUBZILLA_PATH/view/tpl
     chown -R www-data:www-data "$HUBZILLA_PATH/store"
-    chmod 777 $HUBZILLA_PATH/view/tpl/smarty3
+    chmod 1777 $HUBZILLA_PATH/view/tpl/smarty3
 
     # Ensure that the database gets backed up locally, if remote
     # backups are not being used

src/freedombone-app-lychee

     function_check configure_php
     configure_php
 
-    chmod -R 777 /var/www/$LYCHEE_DOMAIN_NAME/htdocs/uploads/
-    chmod -R 777 /var/www/$LYCHEE_DOMAIN_NAME/htdocs/data/
+    chmod -R 1777 /var/www/$LYCHEE_DOMAIN_NAME/htdocs/uploads/
+    chmod -R 1777 /var/www/$LYCHEE_DOMAIN_NAME/htdocs/data/
     chown -R www-data:www-data /var/www/$LYCHEE_DOMAIN_NAME/htdocs
 
     chmod 755 /var/www/$LYCHEE_DOMAIN_NAME/htdocs/uploads/big/index.html

src/freedombone-app-postactiv

     chmod a+w /var/www/$POSTACTIV_DOMAIN_NAME/htdocs/file
     chown -R www-data:www-data /var/www/$POSTACTIV_DOMAIN_NAME/htdocs
     chmod +x /var/www/$POSTACTIV_DOMAIN_NAME/htdocs/scripts/maildaemon.php
-    chmod 777 /var/www/$POSTACTIV_DOMAIN_NAME/htdocs/extlib/HTMLPurifier/HTMLPurifier/DefinitionCache/Serializer.php
+    chmod 1777 /var/www/$POSTACTIV_DOMAIN_NAME/htdocs/extlib/HTMLPurifier/HTMLPurifier/DefinitionCache/Serializer.php
 
     function_check postactiv_create_database
     postactiv_create_database