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iServiceIndex may indicate an empty slot in the ServicePtrs
array. In this case, lpcfg_serivce_ok(ServicePtrs[iServiceIndex])
may trigger a NULL deref and crash. Skipping the check
here will cause a scan of the array in add_a_service() and the
NULL slot will be used safely.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15267
Signed-off-by: Andrew Walker <awalker@ixsystems.com>
Reviewed-by: Jeremy Allison <jra@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Tue Dec 20 18:49:54 UTC 2022 on sn-devel-184
(cherry picked from commit 5b19288949)
share_info.tdb has permissions of 0o600 and so we need
to become_root() prior to retrieving the security info.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15265
Signed-off-by: Andrew Walker <awalker@ixsystems.com>
Reviewed-by: Jeremy Allison <jra@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Mon Dec 19 20:41:15 UTC 2022 on sn-devel-184
(cherry picked from commit 80c0b41689)
If you happen to talloc_free(run_ctx) before all the tevent_req's
hanging off it, you run into the following:
==495196== Invalid read of size 8
==495196== at 0x10D757: run_proc_state_destructor (run_proc.c:413)
==495196== by 0x488F736: _tc_free_internal (talloc.c:1158)
==495196== by 0x488FBDD: _talloc_free_internal (talloc.c:1248)
==495196== by 0x4890F41: _talloc_free (talloc.c:1792)
==495196== by 0x48538B1: tevent_req_received (tevent_req.c:293)
==495196== by 0x4853429: tevent_req_destructor (tevent_req.c:129)
==495196== by 0x488F736: _tc_free_internal (talloc.c:1158)
==495196== by 0x4890AF6: _tc_free_children_internal (talloc.c:1669)
==495196== by 0x488F967: _tc_free_internal (talloc.c:1184)
==495196== by 0x488FBDD: _talloc_free_internal (talloc.c:1248)
==495196== by 0x4890F41: _talloc_free (talloc.c:1792)
==495196== by 0x10DE62: main (run_proc_test.c:86)
==495196== Address 0x55b77f8 is 152 bytes inside a block of size 160 free'd
==495196== at 0x48399AB: free (vg_replace_malloc.c:538)
==495196== by 0x488FB25: _tc_free_internal (talloc.c:1222)
==495196== by 0x488FBDD: _talloc_free_internal (talloc.c:1248)
==495196== by 0x4890F41: _talloc_free (talloc.c:1792)
==495196== by 0x10D315: run_proc_context_destructor (run_proc.c:329)
==495196== by 0x488F736: _tc_free_internal (talloc.c:1158)
==495196== by 0x488FBDD: _talloc_free_internal (talloc.c:1248)
==495196== by 0x4890F41: _talloc_free (talloc.c:1792)
==495196== by 0x10DE62: main (run_proc_test.c:86)
==495196== Block was alloc'd at
==495196== at 0x483877F: malloc (vg_replace_malloc.c:307)
==495196== by 0x488EAD9: __talloc_with_prefix (talloc.c:783)
==495196== by 0x488EC73: __talloc (talloc.c:825)
==495196== by 0x488F0FC: _talloc_named_const (talloc.c:982)
==495196== by 0x48925B1: _talloc_zero (talloc.c:2421)
==495196== by 0x10C8F2: proc_new (run_proc.c:61)
==495196== by 0x10D4C9: run_proc_send (run_proc.c:381)
==495196== by 0x10DDF6: main (run_proc_test.c:79)
This happens because run_proc_context_destructor() directly does a
talloc_free() on the struct proc_context's and not the enclosing
tevent_req's. run_proc_kill() makes sure that we don't follow
proc->req, but it forgets the "state->proc", which is free()'ed, but
later dereferenced in run_proc_state_destructor().
This is an attempt at a quick fix, I believe we should convert
run_proc_context->plist into an array of tevent_req's, so that we can
properly TALLOC_FREE() according to the "natural" hierarchy and not
just pull an arbitrary thread out of that heap.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15269
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Martin Schwenke <martin@meltin.net>
Autobuild-User(master): Volker Lendecke <vl@samba.org>
Autobuild-Date(master): Thu Oct 6 15:10:20 UTC 2022 on sn-devel-184
(cherry picked from commit 688be0177b)
This allows the tests to be executed without an explicit
PYTHONPATH="bin/python".
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15237
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Autobuild-User(master): Stefan Metzmacher <metze@samba.org>
Autobuild-Date(master): Tue Dec 13 14:06:14 UTC 2022 on sn-devel-184
(similar to commit 987cba9057)
[jsutton@samba.org Fixed conflicts; removed changes to non-existent
tests]
Autobuild-User(v4-16-test): Stefan Metzmacher <metze@samba.org>
Autobuild-Date(v4-16-test): Wed Dec 14 11:34:00 UTC 2022 on sn-devel-184
For now it only allows the admin to modify
the msDS-SupportedEncryptionTypes values.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15237
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Joseph Sutton <josephsutton@catalyst.net.nz>
(cherry picked from commit d1999c152a)
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15237
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
(cherry picked from commit cca3c024fc)
This allows admins to disable enctypes completely if required.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15237
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
(cherry picked from commit 36d0a49515)
In order to allow better upgrades we need the default value for smb.conf to the
same even if the effective default value of the software changes in future.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15237
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
(cherry picked from commit fa64f8fa8d)
This is not squashed in order to allow easier backports...
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15237
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
(cherry picked from commit 7504a4d6fe)
We need to take the value from the msDS-SupportedEncryptionTypes
attribute and only take the default if there's no value or
if the value is 0.
For krbtgt and DC accounts we need to force support for
ARCFOUR-HMAC-MD5 and AES encryption types and add the related bits
in addtition. (Note for krbtgt msDS-SupportedEncryptionTypes is
completely ignored the hardcoded value is the default, so there's
no AES256-SK for krbtgt).
For UF_USE_DES_KEY_ONLY on the account we reset
the value to 0, these accounts are in fact disabled completely,
as they always result in KRB5KDC_ERR_ETYPE_NOSUPP.
Then we try to get all encryption keys marked in
supported_enctypes, and the available_enctypes
is a reduced set depending on what keys are
actually stored in the database.
We select the supported session key enctypes by the available
keys and in addition based on AES256-SK as well as the
"kdc force enable rc4 weak session keys" option.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13135
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15237
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
(cherry picked from commit fde745ec34)
[jsutton@samba.org Adapted to older KDC code]
This tests work out the difference between
- msDS-SupportedEncryptionTypes value or it's default
- software defined extra flags for DC accounts
- accounts with only an nt hash being stored
- the resulting value in the KRB5_PADATA_SUPPORTED_ETYPES announcement
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13135
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15237
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
(cherry picked from commit 1dfa91682e)
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15237
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
(cherry picked from commit c7c5762089)
This will allow us to create tests accounts with only an nt4 hash
stored, without any aes keys.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15237
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
(cherry picked from commit 77bd3258f1)
[jsutton@samba.org Fixed conflicts in parameters]
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15237
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
(cherry picked from commit f434a30ee7)
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15237
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
(cherry picked from commit d8fd6a22b6)
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15237
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
(cherry picked from commit 4ebbe7e407)
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15237
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
(cherry picked from commit 271cd82cd6)
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15237
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
(cherry picked from commit 9e69289b09)
For now this is only for debugging in order to see
DRSUAPI_ATTID_msDS_SupportedEncryptionTypes in the replication meta
data.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15219
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15237
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
(cherry picked from commit f1c5fa28c4)
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15237
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
(cherry picked from commit 621b8c3927)
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15237
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
(cherry picked from commit b7260c89e0)
We no longer have support for des encryption types in the kerberos
libraries anyway.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15237
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
(cherry picked from commit 4cedaa643b)
We no longer have support for des encryption types in the kerberos
libraries anyway.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15237
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
(cherry picked from commit 40b47c194d)
We no longer have support for des encryption types in the kerberos
libraries anyway.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15237
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
(cherry picked from commit a683507e56)
We no longer have support for des encryption types in the kerberos
libraries anyway.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15237
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
(cherry picked from commit 16b805c8f3)
aes encryption types are always supported.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15237
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
(cherry picked from commit f3fe1f2ce6)
aes encryption types are always supported.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15237
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
(cherry picked from commit 1a36c348d7)
aes encryption types are always supported.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15237
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
(cherry picked from commit 2bd27955ce)
aes encryption types are always supported.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15237
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
(cherry picked from commit c9b10ee32c)
This will never fail as we already require a version that supports aes,
but this makes it clearer.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15237
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
(cherry picked from commit a80f8e1b82)
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15237
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
(cherry picked from commit 9da028c46f)
As part of matching the behaviour of Windows, assume that trust objects
support AES256, but not RC4, if not specified otherwise.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15219
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15237
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
(cherry picked from commit 4bb50c868c)
ENC_HMAC_SHA1_96_AES256_SK is a flag introduced for by Microsoft in this
CVE to indicate that additionally, AES session keys are available. We
set the etypes available for session keys depending on the encryption
types that are supported by the principal.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15219
Pair-Programmed-With: Joseph Sutton <josephsutton@catalyst.net.nz>
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
(similar to commit 975e43fc45)
[jsutton@samba.org Fixed knownfail conflicts]
[jsutton@samba.org Adapted to older KDC code; fixed knownfail conflicts]
This shows that changes around RC4 encryption types do not break older
functional levels where only RC4 keys are available.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15237
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
(cherry picked from commit 44802c46b1)
[jsutton@samba.org Fixed import conflict]
ENC_HMAC_SHA1_96_AES256_SK is a flag introduced for by Microsoft in this CVE
to indicate that additionally, AES session keys are available.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15237
Pair-Programmed-With: Andrew Bartlett <abartlet@samba.org>
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
(similar to commit 371d7e63fc)
[jsutton@samba.org Removed unneeded fast_tests.py change, added
non_etype_bits in raw_testcase.py, fixed conflicts in knownfails and
tests.py]
[jsutton@samba.org Fixed conflicts in tests and knownfails]
As we will assume, as part of the fixes for CVE-2022-37966, that trust
objects with no msDS-SupportedEncryptionTypes attribute support AES
keys, RC4 support must now be explicitly indicated.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15237
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
(cherry picked from commit 086646865e)
This option does the opposite of what the documentation claims.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15237
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
(cherry picked from commit 6b155b22e6)
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15237
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
(cherry picked from commit d6b3d68efc)
Pair-Programmed-With: Joseph Sutton <josephsutton@catalyst.net.nz>
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
(cherry picked from commit ee18bc29b8)
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15237
This matches the Windows registry key
HKEY_LOCAL_MACHINE\System\CurrentControlSet\services\KDC\DefaultDomainSupportedEncTypes
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15237
Pair-Programmed-With: Andrew Bartlett <abartlet@samba.org>
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
(cherry picked from commit d861d4eb28)
[jsutton@samba.org Fixed header include conflict]
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15231
Pair-Programmed-With: Andrew Bartlett <abartlet@samba.org>
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
(similar to commit a50a2be622)
[jsutton@samba.org Fixed conflicts in krb5pac.idl and raw_testcase.py]
[jsutton@samba.org Fixed conflicts in kdc_base_test.py, raw_testcase.py,
knownfails, tests.py. Adapted KDC PAC changes to older function.]
We need to select server, not client, to compare client etypes against.
(It is not useful to compare the client-supplied encryption types with
the client's own long-term keys.)
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15237
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
(similar to commit 538315a2aa)
[jsutton@samba.org Fixed knownfail conflicts]
[jsutton@samba.org Fixed knownfail conflicts]
The KDC should leave the choice of ticket encryption type up to the
target service, and admit no influence from the client.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15237
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
(similar to commit 177334c042)
[jsutton@samba.org Fixed conflicts in usage.py, knownfails, tests.py]
[jsutton@samba.org Fixed knownfail conflicts]
This lets us select the encryption types we claim to support in the
request body.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15237
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
(similar to commit e0a91dddc4)
[jsutton@samba.org Adapted to 4.17 version of function taking different
parameters]
We will use it for testing our handling of encryption types.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15237
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
(similar to commit 50e075d2db)
[jsutton@samba.org Adapted to 4.17 version of function]
