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Split Windows PAC signing and verification logic, as the signing has to be when
the ticket is ready.
Create sign and verify the PAC KDC signature if the plugin did not, allowing
for S4U2Proxy to work, instead of KRB5SignedPath.
Use the header key to verify PAC server signature, as the same key used to
encrypt/decrypt the ticket should be used for PAC server signature, like U2U
tickets are signed witht the tgt session-key and not with the longterm key,
and so krbtgt should be no different and the header key should be used.
Lookup the delegated client in DB instead of passing the delegator DB entry.
Add PAC ticket-signatures and related functions.
Note: due to the change from KRB5SignedPath to PAC, S4U2Proxy requests
against new KDC will not work if the evidence ticket was acquired from
an old KDC, and vide versa.
Closes: #767
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14642
[jsutton@samba.org Backported from Heimdal commit
2ffaba9401d19c718764d4bd24180960290238e9
- Removed tests
- Adapted to Samba's version of Heimdal
- Addressed build failures with -O3
- Added knownfails
]
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
KRB5SignedPath was a Heimdal-specific authorization data element used to
protect the authenticity of evidence tickets when used in constrained
delegation (without a Windows PAC).
Remove this, to be replaced with the Windows PAC which itself now supports
signing the entire ticket in the TGS key.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14642
[jsutton@samba.org Backported from Heimdal commit
bb1d8f2a8c2545bccdf2c9179ce9259bf1050086
- Removed tests
- Removed auditing hook (only present in Heimdal master)
- Added knownfails
]
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
This lets us indicate that service tickets should be issued with ticket
checksums in the PAC.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14642
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Previously, this algorithm was preferring RC4 over AES for machine
accounts in the preauth case. This is because AES keys for machine
accounts in Active Directory use a non-default salt, while RC4 keys do
not use a salt. To avoid this behaviour, only prefer keys with default
salt for the des-cbc-crc enctype.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14642
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14864
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Make this available as a shared structure for both source3 and source4
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
This changes most of the simple pattern with self.samdb.modify()
to use the wrapper. Some other calls still need to be converted, while
the complex decision tree tests should remain as-is for now.
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Mon Oct 4 21:55:43 UTC 2021 on sn-devel-184
This is easier to reason with regarding which cases should work
and which cases should fail, avoiding issues where more success
than expected would be OK because a self.fail() was missed in a
try: block.
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
This should prevent any long pauses in the calling process, as we get a callback
for the restart after X seconds. To make the code flow more understandable,
always go through a timer event even if the wait time is zero. This
has the same effect as an immediate event as it will call the callback
function as soon as we go back into the event loop.
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Gary Lockyer <gary@catalyst.net.nz>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Sat Oct 2 01:38:43 UTC 2021 on sn-devel-184
It is possible that the randomly chosen RODC number will be one
that is already in use. The samldb_krbtgtnumber_available()
function was meant to prevent that, but due to a typo did not.
There is no other race here as the whole thing is inside a transaction,
and we have duplicate protection on samAccountName, so the failure
looked like this:
...
Adding CN=krbtgt_TESTRODCDRS5320202,CN=Users,DC=samba,DC=example,DC=com
UNEXPECTED(error): samba4.drs.repl_rodc.python(ad_dc_ntvfs).repl_rodc.DrsRodcTestCase.test_msDSRevealedUsers_admin(ad_dc_ntvfs)
REASON: Exception: Exception: Traceback (most recent call last):
File "/m/abartlet/aMASTER/b1635147/samba-def-build/source4/torture/drs/python/repl_rodc.py", line 111, in setUp
self._create_rodc(self.rodc_ctx)
File "/m/abartlet/aMASTER/b1635147/samba-def-build/source4/torture/drs/python/repl_rodc.py", line 693, in _create_rodc
ctx.join_add_objects()
File "bin/python/samba/join.py", line 641, in join_add_objects
ctx.add_krbtgt_account()
File "bin/python/samba/join.py", line 429, in add_krbtgt_account
ctx.samdb.add(rec, ["rodc_join:1:1"])
_ldb.LdbError: (68, "LDAP error 68 LDAP_ENTRY_ALREADY_EXISTS - <00002071: samldb: samAccountName krbtgt_4405 already in use!> <>")
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14854
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Fri Oct 1 20:50:37 UTC 2021 on sn-devel-184
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14642
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Isaac Boukris <iboukris@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
For detailed knownfail on subtests we need torture_assert() calls
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
This gets us closer to passing against Windows 2019, without
making major changes to what was tested. More tests are needed,
but it is important to get what was being tested tested again.
Account types (eg UF_NORMAL_ACCOUNT, UF_WORKSTATION_TRUST_ACCOUNT)
are now required on all objects, this can't be omitted any more.
Also for UF_NORMAL_ACCOUNT for these accounts without a password
set |UF_PASSWD_NOTREQD must be included.
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Alexander Bokovoy <ab@samba.org>
Autobuild-User(master): Andrew Bartlett <abartlet@samba.org>
Autobuild-Date(master): Wed Sep 15 08:49:11 UTC 2021 on sn-devel-184
This file was incorrectly added in 6a27fbbfc4c51ae1635b8a5fa51c470ebc9f01e2,
was never referenced on our build system and should have been
removed with c51c15144e3fbdd3ebed301a077c687e23882e09 at least.
That script had a bug and did not remove this filename if
the particular version of lex generated it, and so it
likely was added to git as a result.
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Uri Simchoni <uri@samba.org>
Autobuild-User(master): Uri Simchoni <uri@samba.org>
Autobuild-Date(master): Mon Sep 13 05:41:30 UTC 2021 on sn-devel-184
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14828
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Autobuild-User(master): Ralph Böhme <slow@samba.org>
Autobuild-Date(master): Fri Sep 10 16:02:10 UTC 2021 on sn-devel-184
Signed-off-by: David Mulder <dmulder@suse.com>
Reviewed-by: Jeremy Allison <jra@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Thu Sep 9 20:42:35 UTC 2021 on sn-devel-184
Note: this also changes logging to go to stderr instead of stdout which is the
same behaviour as smbd, nmbd and winbindd (starting with 4.15).
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14803
RN: smbd/winbindd started in daemon mode generate output on stderr/stdout
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Autobuild-User(master): Ralph Böhme <slow@samba.org>
Autobuild-Date(master): Mon Sep 6 14:23:15 UTC 2021 on sn-devel-184
Since 5c0345ea9bb34695dcd7be6c913748323bebe937 this
would not have been implicitly cached via the ldb_wrap
cache, due to the recording of the remote IP address
(which is a good thing).
This creates a more explicit and direct correct
cache on the connection.
The common code, including the SCHANNEL check is
placed into a helper function.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14807
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Sun Sep 5 03:19:26 UTC 2021 on sn-devel-184
The wrong talloc API was selected while addressing a memory leak.
commit ee2fe56ba0ef6626b634376e8dc2185aa89f8c99
Author: Aaron Haslett <aaronhaslett@catalyst.net.nz>
Date: Tue Nov 27 11:07:44 2018 +1300
drepl: memory leak fix
Fixes a memory leak where schema reference attached to ldb
instance is lost before it can be freed.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14042
Signed-off-by: Aaron Haslett <aaronhaslett@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Garming Sam <garming@catalyst.net.nz>
Autobuild-User(master): Garming Sam <garming@samba.org>
Autobuild-Date(master): Wed Jul 17 06:17:10 UTC 2019 on sn-devel-184
By using talloc_get_parent() walking the entire talloc tree is
avoided.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14806
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
This test is not slow, but there is no value running it twice.
Running this test twice just increases the chances we might
loose a race as it shows and validates live replication data.
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
These now run in the disconnected sets schema_dc/schema_pair_dc and
ad_dc/vampire_dc/promoted_dc. By aiming at different sets ofservers
we can't cause cross-contamination in terms of which servers are
listed as outbound connections.
Also, by running the tests only once we reduce the chaces of trouble
by half.
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Sat Sep 4 00:55:32 UTC 2021 on sn-devel-184
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Doing so is undefined behaviour.
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
If missing cname or sname in AS-REQ, return KRB5KDC_ERR_C_PRINCIPAL_UNKNOWN and
KRB5KDC_ERR_S_PRINCIPAL_UNKNOWN. This matches MIT behaviour.
[abartlet@samba.org Backported from Heimdal commit 892a1ffcaad98157e945c540b81f65edb14d29bd
and knownfail added]
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14770
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
In tgs_build_reply(), validate the server name in the TGS-REQ is present before
dereferencing.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14770
[abartlet@samba.org backported from from Heimdal
commit 04171147948d0a3636bc6374181926f0fb2ec83a via reference
to an earlier patch by Joseph Sutton]
RN: An unuthenticated user can crash the AD DC KDC by omitting the server name in a TGS-REQ
Reviewed-by: Andreas Schneider <asn@samba.org>
This generates a single test per bit which is easier to
debug. Elsewhere we use this pattern where we want to
be able to put some cases in a knownfail, which is otherwise
not possible.
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
This generates a single test per bit which is easier to
debug. Elsewhere we use this pattern where we want to
be able to put some cases in a knownfail, which is otherwise
not possible.
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
This is a nice easy example of how the test generation
code works, and it combined nicely with the earlier
patch to return string names from the UF_ constants.
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
