ACI parsing bug

["Pierangelo Masarati" <masarati@aero.polimi.it>]

I've found a problem in 2.1 ACIs which may impact other stuff. 

an access rule of this sort 

access to *
	by aci read 

causes aclparse.c to attempt to use the default ACI attribute,
"slap_schema.si_ad_aci", but this is initialized only __AFTER__
the configuration is read, by slap_schema_check().  This causes
a cure dump while reading the access line, but I guess the same
problem may occur elsewhere with other built-in attributes. 

I don't quite understand the logic of this attribute initialization,
it looks quite involved, so I don't think I can come out with
a clean fix in short times (mainly beacuse I don't see all its
implications).  ACIs can still be used by forcing 

access to *
	by aci=OpenLDAPaci read 

They seem to work fine, although I didn't stress them. 

Pierangelo. 

Dr. Pierangelo Masarati               | voice: +39 02 2399 8309
Dip. Ing. Aerospaziale                | fax:   +39 02 2399 8334
Politecnico di Milano                 | mailto:pierangelo.masarati@polimi.it
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