sysdb: add sysdb_attrs_add_base64_blob() Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>

LDAP: Do not print verbose DEBUG messages from providers that don't set UUID https://fedorahosted.org/sssd/ticket/2666 Reviewed-by: Lukáš Slebodník <lslebodn@redhat.com>

tests: Use cmocka-1.0+ API in test_sysdb_utils Reviewed-by: Pavel Reichl <preichl@redhat.com>

sdap: properly handle binary objectGuid attribute Although in the initial processing SSSD treats the binary value right at some point it mainly assumes that it is a string. Depending on the value this might end up with the correct binary value stored in the cache but in most cases there will be only a broken entry in the cache. This patch converts the binary value into a string representation which is described in [MS-DTYP] and stores the result in the cache. Resolves https://fedorahosted.org/sssd/ticket/2588 Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>