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Modern Kerberos implementations have either defines or enums for these
key types, which makes doing #ifdef difficult. This shows up in files
such as libnet_samsync_keytab.c, the bulk of which is not compiled on
current Fedora 12, for example.
The downside is that this makes Samba unconditionally depend on the
arcfour-hmac-md5 encryption type at build time. We will no longer
support libraries that only support the DES based encryption types.
However, the single-DES types that are supported in common with AD are
already painfully weak - so much so that they are disabled by default
in modern Kerberos libraries.
If not found, ADS support will not be compiled in.
This means that our 'net ads join' will no longer set the
ACB_USE_DES_KEY_ONLY flag, and we will always try to use
arcfour-hmac-md5.
A future improvement would be to remove the use of the DES encryption
types totally, but this would require that any ACB_USE_DES_KEY_ONLY
flag be removed from existing joins.
Andrew Bartlett
Signed-off-by: Simo Sorce <idra@samba.org>
Use the libnet_dssync_context as a talloc context for the
result_message and error_message string members.
Using the passed in mem_ctx makes the implicit assumption
that mem_ctx is at least as long-lived as the libnet_dssync_context,
which is wrong.
Michael
(This used to be commit 635baf6b7d)
Initialize it to false.
And pass it down to the libnet_keytab context in
libnet_dssync_keytab.c:keytab_startup().
Unused yet.
Michael
Note: This might not be not 100% clean design to put this into the
toplevel dssync context while it is keytab specific. But then, on the
other hand, other imaginable backends might want to use this flag, too...
(This used to be commit 12e884f227)
I.e. only the passwords and keys of those objects whose dns are provided
are written to the keytab file. Others are skippded.
Michael
(This used to be commit a013f926ae)
When retreiving a diff replication, the sAMAccountName attribute is usually
not replicated. So in order to build the principle, we need to store the
sAMAccounName in the keytab, referenced by the DN of the object, so that
it can be retrieved if necessary.
It is stored in the form of SAMACCOUNTNAME/object_dn@dns_domain_name
with kvno=0 and ENCTYPE_NONE.
Michael
(This used to be commit 54e2dc1f4e)
This makes libnet_keytab_remove_entries static and moves it up.
libnet_keytab_add_entry() now removes the duplicates in advance.
No special handling neede for the UTDV - this is also needed
for other entries...
Michael
(This used to be commit 3c46374544)
Not really used yet.
Note: callers use ENCTYPE_ARCFOUR_HMAC enctype for UTDV (for now).
This is what is currently stored. This is to be changed
to ENCTYPE_NULL.
Michael
(This used to be commit cb91d07413)
Still unused by the libnet_keytab_add() function.
This will follow.
In preparation of supporting multiple encryption types in libnet_dssync_keytab.
Michael
(This used to be commit 447b8b1122)
The startup operation should get the old up-to-date-ness vector from the backend
and the finish operation should store the new vector to the backend after replication.
This adds the change of the signatures of the operations ot the dssync_ops struct
and the implementation for the keytab ops. The up-to-date-ness vector is stored
under the principal constructed as UTDV/$naming_context_dn@$dns_domain_name.
The vector is still uninterpreted in libnet_dssync_process().
This will be the next step...
This code is essentially by Metze.
Michael
(This used to be commit 01318fb27a)
This remove static a variable for the keytab context in the keytab
processing function and simplifies the signature. The keytab context
is instead in the new private data member of the dssync_context struct.
This is in preparation of adding support for keeping track of the
up-to-date-ness vector, in order to be able to sync diffs instead
of the whole database.
Michael
(This used to be commit c51c3339f3)
