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This allows a provider to supply the homedirectory, etc...
attributes for a user without requiring support in core
winbindd code. The idmap_ad.c module has been modified
to provide the idmap 'ad' library as well as the rfc2307 and sfu
"winbind nss info" support.
The SID/id mapping is working in idmap_ad but the nss_info
still has a few quirks that I'm in the process of resolving.
* Fix DNS updates for multi-homed hosts
* Child domains often don't have an NS record in
DNS so we have to fall back to looking up the the NS
records for the forest root.
* Fix compile warning caused by mismatched 'struct in_addr'
and 'in_addr_t' parameters called to DoDNSUpdate()
Expand the "winbind nss info" to also take "rfc2307" to support the
plain posix attributes LDAP schema from win2k3-r2.
This work is based on patches from Howard Wilkinson and Bob Gautier
(and closes bug #3345).
Guenther
The motivating factor is to not require more privileges for
the user account than Windows does when joining a domain.
The points of interest are
* net_ads_join() uses same rpc mechanisms as net_rpc_join()
* Enable CLDAP queries for filling in the majority of the
ADS_STRUCT->config information
* Remove ldap_initialized() from sam/idmap_ad.c and
libads/ldap.c
* Remove some unnecessary fields from ADS_STRUCT
* Manually set the dNSHostName and servicePrincipalName attribute
using the machine account after the join
Thanks to Guenther and Simo for the review.
Still to do:
* Fix the userAccountControl for DES only systems
* Set the userPrincipalName in order to support things like
'kinit -k' (although we might be able to just use the sAMAccountName
instead)
* Re-add support for pre-creating the machine account in
a specific OU
homedirectory and the loginshell from Active Directory's "Services for Unix".
Enable it with:
winbind sfu support = yes
User-Accounts without SFU-Unix-Attributes will be assigned template-based
Shells and Homedirs as before.
Note that it doesn't matter which version of Services for Unix you use (2.0,
2.2, 3.0 or 3.5). Samba should detect the correct attributes (msSFULoginShell,
msSFU30LoginShell, etc.) automatically.
If you also want to share the same uid/gid-space as SFU then also use PADL's
ad-idmap-Plugin:
idmap backend = ad
When using the idmap-plugin only those accounts will appear in Name Service
Switch that have those UNIX-attributes which avoids potential uid/gid-space
clashes between SFU-ids and automatically assigned idmap-ids.
Guenther
*) consolidates the dc location routines again (dns
and netbios) get_dc_list() or get_sorted_dc_list()
is the authoritative means of locating DC's again.
(also inludes a flag to get_dc_list() to define
if this should be a DNS only lookup or not)
(however, if you set "name resolve order = hosts wins"
you could still get DNS queries for domain name IFF
ldap_domain2hostlist() fails. The answer? Fix your DNS
setup)
*) enabled DOMAIN<0x1c> lookups to be funneled through
resolve_hosts resulting in a call to ldap_domain2hostlist()
if lp_security() == SEC_ADS
*) enables name cache for winbind ADS backend
*) enable the negative connection cache for winbind
ADS backend
*) removes some old dead code
*) consolidates some duplicate code
*) moves the internal_name_resolve() to use an IP/port pair
to deal with SRV RR dns replies. The namecache code
also supports the IP:port syntax now as well.
*) removes 'ads server' and moves the functionality back
into 'password server' (which can support "hostname:port"
syntax now but works fine with defaults depending on
the value of lp_security())
