Re: How the backend knows it's being searched by syncprov?

[Pierangelo Masarati <ando@sys-net.it>]

Howard Chu wrote:

> If we really need global knowledge of this control we can put the 
> #define's and such back into slap.h and controls.c.
>    #define o_sync_mode ...
>    slap_cids.sc_LDAPsync
>
> would probably be the most useful.

I see another problem: this control is dynamically registered, so 
o_sync_mode could yield unexpected results if the control is not 
registered but its presence is tested by some pice of code. I guess only 
statically (i.e. always) registered controls should make it into the 
slap_control_ids structure, or a tri-state mech (present/not 
present/undefined) should be used for testing, where "undefined" could 
return the same value as "not present" but without crashing! (e.g. all 
"undefined" cids could point to slot [0] of o_controls, which should be 
intentionally left NULL for undefined controls?).

Ando.





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