80445dc LDAP: Split out a request to search for a user w/o saving

Authored and Committed by jhrozek 10 years ago
    LDAP: Split out a request to search for a user w/o saving
    
    Related:
    https://fedorahosted.org/sssd/ticket/2077
    
    Certain situations require that a user entry is downloaded for further
    inpection, but not saved to the sysdb right away. This patch splits the
    previously monolithic request into one that just downloads the data and
    one that uses the new one to download and save the user.