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The actual design change is relitivly small however:
It all goes back to jerry's 'BOOL store', added to many of the elements in a
SAM_ACCOUNT. This ensured that smb.conf defaults did not get 'fixed' into
ldap. This was a great win for admins, and this patch follows in the same way.
This patch extends the concept - we don't store values back into LDAP unless
they have been changed. So if we read a value, but don't update it, or we
read a value, find it's not there and use a default, we will not update
ldap with that value. This reduced clutter in our LDAP DB, and makes it
easier to change defaults later on.
Metze's particular problem was that when we 'write back' an unchanged value,
we would clear any muliple values in that feild. Now he can still have his
mulitivalued 'uid' feild, without Samba changing it for *every* other
operation.
This also applies to many other attributes, and helps to eliminate a nasty
race condition. (Time between get and set)
This patch is big, and needs more testing, but metze has tested usrmgr, and
I've fixed some pdbedit bugs, and tested domain joins, so it isn't compleatly
flawed ;-).
The same system will be introduced into the SAM code shortly, but this fixes
bugs that people were coming across in production uses of Samba 3.0/HEAD, hence
it's inclusion here.
Andrew Bartlett
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*.o) and implment new enum_dom_users code in the SAMR RPC subsystem.
Incresingly, we are using the pdb_get_{user,group}_sid() functions, in the
eventual hope that we might one day support muliple domains off a single
passdb. To extract the RID, we use sid_peek_check_rid(), and supply an
'expected' domain SID.
The id21 -> SAM_ACCOUNT and id23 -> SAM_ACCOUNT code has been moved to
srv_samr_util.c, to ease linking in passdb users.
Compatiblity code that uses 'get_global_sam_sid()' for the 'expected' sid is in
pdb_compat.c
Andrew Bartlett
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