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Re: backend relay with empty suffix
Nikos Voutsinas wrote:
> Let me refer to the following case, hoping that this will help to spot
> all possible side effects resulted from the usage of empty suffixes.
>
> Using a configuration like the one below, searches for
> attr=hasSubordinates against the ldap backend as 'uid=<uid>,ou=People',
> fail because searchDN is rewritten to:
>
> [rw] searchDN: "ou=People" -> "ou=People,dc=contacts,dc=uoa,dc=gr"
>
>
> database bdb
> suffix "dc=contacts,dc=foo,dc=bar"
> .....
> .....
> database ldap
> suffix "ou=People"
> overlay rwm
> rwm-suffixmassage "ou=People,dc=foo,dc=bar"
> uri "ldap://server.foo.bar";
> ......
> ......
> database relay
> suffix ""
> relay "dc=contacts,dc=foo,dc=bar" massage
Either I didn't get what you're trying to do, or you didn't explain it
clearly enough. All I can do right now is try to explain what the above
configuration is supposed to do.
The above configuration serves 3 naming contexts:
1) "dc=contacts,dc=foo,dc=bar" is directly served by the local bdb
2) "ou=People" is directly served by the ldap proxy, by redirecting
requests whose DN ends in "ou=People" to the remote server
"server.foo.bar" after appending them the suffix "dc=foo,dc=bar"
3) any other request is served by the relay database, which appends to
the request DN the suffix "dc=contacts,dc=foo,dc=bar"; so any request is
actually mapped on the naming context of the local bdb.
I've tried the above configuration with HEAD code and with re23 code
(with those small fixes I had to introduce to avoid the core dump when
selecting a NULL dn; those have not been committed yet, sorry), and it
behaves as I explained (binds, searches, writes), so there appears to be
no bug.
Of course, if this is not the behavior you expect, you should try to
clarify it a bit further, so that better directions about configuring
slapd appropriately can follow.
p.
Ing. Pierangelo Masarati
OpenLDAP Core Team
SysNet s.r.l.
via Dossi, 8 - 27100 Pavia - ITALIA
http://www.sys-net.it
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Office: +39 02 23998309
Mobile: +39 333 4963172
Email: pierangelo.masarati@sys-net.it
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