DP: Log to syslog whether it's online or offline Instead of requiring that admins enable and look at our logs, let's log to syslog what's the DP status. Resolves: https://pagure.io/SSSD/sssd/issue/3307 Signed-off-by: Fabiano Fidêncio <fidencio@redhat.com> Reviewed-by: Jakub Hrozek <jhrozek@redhat.com> Reviewed-by: Pavel Březina <pbrezina@redhat.com>

DP: Load override_space into be_ctx Add loading and storing the override_space configuration option to data provider. That will be needed for formatting output user and group names for matching against session recording configuration. Reviewed-by: Pavel Březina <pbrezina@redhat.com>

DP: Add session recording conf loading Add session recording configuration loading to the data provider initialization. To be used for matching users and groups with session recording enabled. Reviewed-by: Pavel Březina <pbrezina@redhat.com>

DP: Add org.freedesktop.sssd.DataProvider.Failover Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>

DP: Move be_req_acct and remove discard_const Reviewed-by: Sumit Bose <sbose@redhat.com> Reviewed-by: Jakub Hrozek <jhrozek@redhat.com> Reviewed-by: Lukáš Slebodník <lslebodn@redhat.com>

DP: Switch to new interface Reviewed-by: Sumit Bose <sbose@redhat.com> Reviewed-by: Jakub Hrozek <jhrozek@redhat.com> Reviewed-by: Lukáš Slebodník <lslebodn@redhat.com>

DP: Introduce new interface for backend Terminology: * Backend: Implemenation of domain * Data Provider: interface between backend and responders * Module: ldap/ipa/ad/... dlopened library that implements dp interface * Target: id/autofs/sudo/... functionality of module Benefits over current code: * data provider is a black box completely separated from backend * method handlers are just simple tevent requests on backend side * no need of spy on be_client * simplified and error proof adding of new responders * simplified adding of new methods * reply to D-Bus message is completely handled by DP code * each target can have several methods defined * properties can be added on objects * each method can have output parameters * modules now support constructor * improved debugging * clear memory hierarchy * ability to chain requests * type safe private data Reviewed-by: Sumit Bose <sbose@redhat.com> Reviewed-by: Jakub Hrozek <jhrozek@redhat.com> Reviewed-by: Lukáš Slebodník <lslebodn@redhat.com>

Rename dp_backend.h to backend.h Reviewed-by: Sumit Bose <sbose@redhat.com> Reviewed-by: Jakub Hrozek <jhrozek@redhat.com> Reviewed-by: Lukáš Slebodník <lslebodn@redhat.com>