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This will help users who are used to the kadmin interface, and could
be extended to import existing MIT or Heimdal keys into a Samba4 AD
domain.
To use, add to your krb5.conf
[kdc]
database = {
dbname = samba4:
}
or
[kdc]
database = {
dbname = samba4:/usr/local/samba/etc/smb.conf
}
And copy hdb_samba4.so from PREFIX/modules/hdb to your Heimdal lib directory
Andrew Bartlett
Autobuild-User: Andrew Bartlett <abartlet@samba.org>
Autobuild-Date: Wed Nov 30 03:22:11 CET 2011 on sn-devel-104
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metze
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Autobuild-User: Matthias Dieter Wallnöfer <mdw@samba.org>
Autobuild-Date: Sun Dec 12 15:20:46 CET 2010 on sn-devel-104
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Autobuild-User: Matthias Dieter Wallnöfer <mdw@samba.org>
Autobuild-Date: Fri Dec 3 23:56:15 CET 2010 on sn-devel-104
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81fe27bcc0148d410ca4617f8759b9df1a5e935c)
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kdc.h conflicts with a heimdal header name
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Autobuild-User: Andrew Bartlett <abartlet@samba.org>
Autobuild-Date: Sun Oct 3 01:56:04 UTC 2010 on sn-devel-104
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This includes rewriting the PAC if the original krbtgt isn't to be
trusted, and reading different entries from the DB for the krbtgt
depending on the krbtgt number.
Andrew Bartlett
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This means we just set up the system_session etc in one place
and don't diverge between the MIT and Heimdal plugins.
We also now determine if we are an RODC and store some details
that we will need later.
Andrew Bartlett
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"heimdal/waf: Initial work on making it possible to use the system"
as the hdb_check_s4u2self function handling is incorrect.
This reverts commit b099631f428d0ecc641d59bd3c94674e6348dde9.
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heimdal again.
Still missing are the detection of the right Heimdal version and
linking (unresolved symbols at the moment).
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I can see no reason not to just let this go with the talloc tree that
created it, and avoid a talloc_free with references.
Andrew Bartlett
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recompiled by waf.
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For now, this shares the 'if it's the same host' system with the
constrained delegation code.
Andrew Bartlett
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Keep all heimdal related plugin code within hdb_samba4.c
Move interfaces needed by multiple plugins in db-glue.c
Move sequence context in main db context so that we do
not depend on db->hdb_dbc in the common code.
Remove unnecessary paremeters from function prototypes
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Renames hdb_samba4_private to samba_kdc_entry
Streamlines members of the entry and the kdc db contextto avoid
unnecessary duplication.
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This allows to use a common structure not tied to hdb_samba4
Also allows to avoid many casts within hdb_samba4 functions
This is the first step to abstract samba kdc databse functions
so they can be used by the MIT forthcoming plugin.
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The change to use a common system_session broke replication as the KDC
forces CRED_DONT_USE_KERBEROS on session->credentials, which is shared
with other parts of the system.
This should be fixed once we confirm whether the ldap backend actually
relies on CRED_DONT_USE_KERBEROS
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Using common parameters means that the ldb_wrap code can return a
reference rather than a new database
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don't fail hdb operations if one of the key types is unknown
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This is a small start on (ie, the only trivial part of) the work shown in:
http://k5wiki.kerberos.org/wiki/Projects/Samba4_Port#Samba.27s_use_of_Heimdal_symbols.2C_with_MIT_differences
(a table of all Kerberos symbols used in Samba4, and notes on where
they differ from those provided with MIT Kerberos)
Andrew Bartlett
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This extends the PKINIT code in Heimdal to ask the HDB layer if the
User Principal Name name in the certificate is an alias (perhaps just
by case change) of the name given in the AS-REQ. (This was a TODO in
the Heimdal KDC)
The testsuite is extended to test this behaviour, and the other PKINIT
certficate (using the standard method to specify a principal name in a
certificate) is updated to use a Administrator (not administrator).
(This fixes the kinit test).
Andrew Bartlett
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This overloads the 'name' part of the keytab name to supply a context
pointer, and so avoids 3 global variables!
To do this, we had to stop putting the entry for kpasswd into the
secrets.ldb. (I don't consider this a big loss, and any entry left
there by an upgrade will be harmless).
Andrew Bartlett
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This removes the last use of the prefix hdb_ldb and makes it clear
that we pass in 3 global variables to get state information into
hdb_samba4 when used as a keytab. (And that they belong to
hdb_samba4, not to the KDC)
Andrew Bartlett
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To do this properly, we must use the PAC, but for now this is enough
to check that we are delegating to another name on the same host
(which must be safe).
(Windows 7 does this a lot, also noted in bug 6273)
Andrew Bartlett
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Each attribute we request from LDB comes with a small cost, so don't
lookup any more than we must for the (very) frequent krbtgt lookup
case. Similarly, we don't need to build a PAC for a server (as a
target), so don't ask for the PAC attributes here either.
Andrew Bartlett
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The LDB_ prefix is misleading, and stomps on the LDB namespace. This
is a Samba4 hdb module, and not something generic.
Andrew Bartlett
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Soon we will add implementations for these.
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Guenther
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The previous code only allowed an KRB5_NT_ENTERPRISE name (an e-mail
list user principal name) in an AS-REQ. Evidence from the wild
(Win2k8 reportadely) indicates that this is instead valid for all
types of requests.
While this is now handled in heimdal/kdc/misc.c, a flag is now defined
in Heimdal's hdb so that we can take over this handling in future (once we start
using a system Heimdal, and if we find out there is more to be done
here).
Andrew Bartlett
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The function LDB_lookup_principal() has been eliminated, and it's
contents spread back to it's callers. Removing the abstraction makes
the code clearer.
Also ensure we never pass unescaped user input to a LDB search
function.
Andrew Bartlett
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This requires a rework on Heimdal's windc plugin layer, as we want
full control over what tickets Heimdal will issue. (In particular, in
case our requirements become more complex in future).
The original problem was that Heimdal's check would permit the ticket,
but Samba would then deny it, not knowing it was for kadmin/changepw
Also (in hdb-samba4) be a bit more careful on what entries we will
make the 'change_pw' service mark that this depends on.
Andrew Bartlett
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904d0124b46eed7a8ad6e5b73e892ff34b6865ba)
Also including the supporting changes required to pass make test
A number of heimdal functions and constants have changed since we last
imported a tree (for the better, but inconvenient for us).
Andrew Bartlett
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Logs showed that every SAM authentication was causing a non-indexed
ldb search for member=XXX. This was previously indexed in Samba4, but
since we switched to using the indexes from the full AD schema it now
isn't.
The fix is to use the extended DN operations to allow us to ask the
server for the memberOf attribute instead, with with the SIDs attached
to the result. This also means one less search on every
authentication.
The patch is made more complex by the fact that some common routines
use the result of these user searches, so we had to update all
searches that uses user_attrs and those common routines to make sure
they all returned a ldb_message with a memberOf filled in and the SIDs
attached.
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It turns out (seen in MS-SAMR 3.1.1.7.1 for example) that the primary
way the krbtgt account is recognised as special is that RID. This
should fix issues such as 'password expired' on the kpasswd service.
Andrew Bartlett
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A single AD server can only host a single domain, so don't stuff about
with looking up our crossRef record in the cn=Partitions container.
We instead trust that lp_realm() and lp_workgroup() works correctly.
Andrew Bartlett
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metze
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list=""
list="$list event_context:tevent_context"
list="$list fd_event:tevent_fd"
list="$list timed_event:tevent_timer"
for s in $list; do
o=`echo $s | cut -d ':' -f1`
n=`echo $s | cut -d ':' -f2`
r=`git grep "struct $o" |cut -d ':' -f1 |sort -u`
files=`echo "$r" | grep -v source3 | grep -v nsswitch | grep -v packaging4`
for f in $files; do
cat $f | sed -e "s/struct $o/struct $n/g" > $f.tmp
mv $f.tmp $f
done
done
metze
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metze
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3.
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