Reference: https://lists.fedoraproject.org/archives/list/devel@lists.fedoraproject.org/thread/Y2ZUKK2B7T2IKXPMODNF6HB2O5T5TS6H/


Signed-off-by: Igor Gnatenko <ignatenkobrain@fedoraproject.org>

(cherry picked from dist-git commit 3dc29f87fd91b51a0768e253604b7baa5efce360)

Copied from example code of dbd and dbm socache implementations
If PAM-Authentification is successful (AUTH_GRANTED), do apache-style salted bcrypt hash and store it in socache.