France and Russia agreed on Monday night to share intelligence relating to the Islamic State armed group (IS) especially on foreign fighters having joined jihadist groups in Iraq and Syria.
According to government sources, France will modify its constitution to extend special powers. A legal framework is to be presented to ministers on 23 December.
French Interior Minister Bernard Cazeneuve announced on Wednesday that a mosque reportedly supporting terror was closed down near Paris.
French President François Hollande has called on French citizens to decorate their homes with the national flag on Friday to commemorate the victims of the Paris attacks.
The Russian ambassador to France told French radio Europe 1 on Wednesday that Moscow wanted an anti-Islamic State organisation alliance with France, the United States and even Turkey.