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This is simple, explainable and secure.
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Autobuild-User(master): Andrew Bartlett <abartlet@samba.org>
Autobuild-Date(master): Thu Mar 17 02:47:13 UTC 2022 on sn-devel-184
This allows Samba as an AD DC (compared with the fileserver/NT4-like DC mode) to match
windows and refuse all LM passwords, no matter what.
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Not all cases are covered, but this much covers the areas that Samba and Win19
will agree on.
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
RAP is SMB1, the password change routine requires LM hashes and so everything
here is going away or has now gone, so remove the test.
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
This fixes the rpc.samr test because we no longer specify an LM hash
to the DSDB layer only to have it rejected by password_hash.
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
This is important to allow, after other changes, for the Samba AD DC to again
pass rpc.samr after the removal of LM hash support from the DC.
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
The removal of LM hash storage changes the expected metadata.
We do not need to track these values exactly to prove the
behaviour here.
This is not due to the changes in password_hash directly, which in
update_final_msg() sets DSDB_FLAG_INTERNAL_FORCE_META_DATA to force
a push out of the removed attribute to the replication state.
However at the stage of a subsequent LDAP Delete there is no longer
a lmPwdHistory nor dBCSPwd attribute, in the directory, so there is
no subsequent version bump to remove them when building a tombstone.
Samba's behaviour is different to that seen by Metze on windows 2022,
where he sees dBCSPwd removed (for the no LM store case) but
lmPwdHistory kept. We in Samba choose to differ, not storing an
ambiguous LM hsitory (of "" values likely), so allowing any version
for these two attributes is the sensible choice.
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
This means Samba will essentially ignore this attribute, not even attempting
to read it from the AD DC sam.ldb
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
We now only change passwords based on the NT hash.
This means we no longer support samr_OemChangePasswordUser2()
and we do not check the LM verifier din samr_ChangePasswordUser3()
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
This still passes in the value in the LM field for checking
in case it is an NT response or LMv2.
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
LM authentication is very weak and a very bad idea, so has been deprecated since
Samba 4.11.
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
We no longer generate nor store the LM hash in the Samba AD DC.
This adds much to the knownfail, some future commits will trim this
back down by making the tests understand that the server will not
support or store the LM hash.
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
We no longer use the old NT and LM hash as proof of performing a
password change, and this removes the privileged status of these
attributes.
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
We no longer use the old NT and LM hash as proof of performing a
password change, and this removes the privileged status of these
attributes.
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
This makes it clearer that the purpose of this control is to indicate that the password
was already checked (by an out-of-band mechanism, eg kpasswd) and so can safely be changed
subject to ACLs etc.
This essentially reverts bbb9dc806e
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
This returns the API for password changes via (eg) kpasswd to the
previous design as at 7eebcebbab
where a control but no partiuclar values were specified.
This avoids the issues that were attempted to be addressed between
7eebcebbab and 786c41b095
by still keeping the ACL check from 23bd3a7417.
The purpose of this change is to move away from the NT hash (unicodePwd) being
the primary password in Samba, to allow installations to operate without this
unsalted hash.
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
The s4member test environment is a historical artifact, provisioned like an
AD DC using sam.ldb and joined using the historical S4 join code.
Once running however it is nothing particualr special in winbindd, so
there is no need to run the tests against ad_member and s4member.
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Running these tests twice is a waste (sorry, thas was my choice when
merging s3 and s4 to just run all the tests against the AD DC) and
more importantly means that tests are run in "samba3" mode against
the AD DC, making it difficult to change the tests to expect a different
behaivour against the AD DC compared to the NT4 DC.
To assure that we have not lost tests, I ran:
grep command st/subunit | grep ad_dc| cut -f 2 -d\" | cut -f 2- -d. | sort | uniq -c
The two blocks (for rpc.lsa and rpc.lsa.*) are because the rpc.lsa.*
subtests were not previously run under ncacn_ip_tcp: and this is the
minimal change.
The output is:
--- /tmp/3 2022-02-12 14:01:50.435761067 +1300
+++ /tmp/now 2022-02-12 14:01:37.427595351 +1300
@@ -13,9 +13,8 @@
2 rpc.lsa-getuser on ncalrpc with validate.
2 rpc.lsa-getuser with bigendian.
2 rpc.lsa-getuser with seal,padcheck.
2 rpc.lsa-getuser with validate.
- 2 rpc.lsa.lookupnames.
2 rpc.lsa.lookupnames with .
2 rpc.lsa.lookupnames with bigendian.
2 rpc.lsa.lookupnames with validate.
2 rpc.lsalookup on ncacn_ip_tcp with bigendian.
@@ -26,9 +25,8 @@
2 rpc.lsalookup on ncacn_np with validate.
2 rpc.lsalookup on ncalrpc with bigendian.
2 rpc.lsalookup on ncalrpc with seal,padcheck.
2 rpc.lsalookup on ncalrpc with validate.
- 2 rpc.lsa.lookupsids.
2 rpc.lsa.lookupsids with .
2 rpc.lsa.lookupsids with bigendian.
2 rpc.lsa.lookupsids with validate.
2 rpc.lsalookup with bigendian.
@@ -42,15 +40,11 @@
2 rpc.lsa on ncacn_np with validate.
2 rpc.lsa on ncalrpc with bigendian.
2 rpc.lsa on ncalrpc with seal,padcheck.
2 rpc.lsa on ncalrpc with validate.
- 2 rpc.lsa over ncacn_ip_tcp .
- 2 rpc.lsa over ncacn_np .
- 2 rpc.lsa.privileges.
2 rpc.lsa.privileges with .
2 rpc.lsa.privileges with bigendian.
2 rpc.lsa.privileges with validate.
- 2 rpc.lsa.secrets.
2 rpc.lsa.secrets on ncacn_np with with -k no --option=clientusespnego=no.
2 rpc.lsa.secrets on ncacn_np with with -k no --option=clientusespnego=no --option=clientntlmv2auth=yes.
2 rpc.lsa.secrets on ncacn_np with with -k no --option=clientusespnego=yes.
2 rpc.lsa.secrets on ncacn_np with with -k no --option=clientusespnego=yes --option=clientntlmv2auth=yes.
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Running these tests twice is a waste (sorry, thas was my choice when
merging s3 and s4 to just run all the tests against the AD DC) and
more importantly means that tests are run in "samba3" mode against
the AD DC, making it difficult to change the tests to expect a different
behaivour against the AD DC compared to the NT4 DC.
To assure that we have not lost tests, I ran:
grep command st/subunit | grep ad_dc| cut -f 2 -d\" | cut -f 2- -d. | sort | uniq -c
The output is:
--- /tmp/2 2022-02-11 21:00:54.033610748 +1300
+++ /tmp/now 2022-02-11 21:01:13.849823721 +1300
@@ -1,32 +1,21 @@
- 2 rpc.samr.
- 2 rpc.samr.handletype.
2 rpc.samr.handletype with .
2 rpc.samr.handletype with bigendian.
2 rpc.samr.handletype with validate.
- 2 rpc.samr.large-dc.
2 rpc.samr.large-dc on ncacn_np with .
- 2 rpc.samr.machine.auth.
2 rpc.samr.machine.auth with .
2 rpc.samr.machine.auth with bigendian.
2 rpc.samr.machine.auth with validate.
2 rpc.samr on ncacn_np with .
- 2 rpc.samr.passwords.
- 2 rpc.samr.passwords.badpwdcount.
2 rpc.samr.passwords.badpwdcount on ncacn_np with .
2 rpc.samr.passwords.lockout on ncacn_np with .
2 rpc.samr.passwords on ncacn_np with .
- 2 rpc.samr.passwords.pwdlastset.
2 rpc.samr.passwords.pwdlastset on ncacn_np with .
2 rpc.samr.passwords.validate on ncacn_ip_tcp with bigendian.
2 rpc.samr.passwords.validate on ncacn_ip_tcp with seal,padcheck.
2 rpc.samr.passwords.validate on ncacn_ip_tcp with validate.
- 2 rpc.samr.passwords.validate over ncacn_ip_tcp .
- 2 rpc.samr.priv.
2 rpc.samr.priv with .
2 rpc.samr.priv with bigendian.
2 rpc.samr.priv with validate.
- 2 rpc.samr.users.
2 rpc.samr.users on ncacn_np with .
- 2 rpc.samr.users.privileges.
2 rpc.samr.users.privileges on ncacn_np with .
4 tests.dcerpc.samr_change_password.
It is clear that the tests are all still being run at least once against the AD DC.
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
This allows a knownfail entry to be written for this test.
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
This testsuite can otherwise fail with an error, which cannot be covered with
a knownfail.
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
In Python 3, sorted() does not take a 'cmp' parameter, so we need to use
the 'key' parameter instead.
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Autobuild-User(master): Andrew Bartlett <abartlet@samba.org>
Autobuild-Date(master): Thu Mar 17 01:36:59 UTC 2022 on sn-devel-184
SEC_ACE_TYPE_ values are not flags, so this comparison does not behave
as intended. Modify the check to more closely match the one in
gp_create_gpt_security_descriptor().
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
SEC_ACE_TYPE_ values are not flags, so this comparison does not behave
as intended. Modify the check to more closely match the comment.
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
This can make the code clearer. assert_in_range() takes only integer
parameters, but POSIX allows us to assume that time_t is an integer.
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Use gettimeofday() to obtain the current time for comparison, to be
consistent with audit_logging.c. On Linux, time() may occasionally
return a smaller value than gettimeofday(), despite being called later.
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Joseph Sutton <josephsutton@catalyst.net.nz>
This is for MIT Kerberos >= 1.20.
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Joseph Sutton <josephsutton@catalyst.net.nz>
This is for MIT Kerberos <= 1.19
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Joseph Sutton <josephsutton@catalyst.net.nz>
This will be used later and allows to remove static implementations.
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Joseph Sutton <josephsutton@catalyst.net.nz>
CID 1502873: Control flow issues (NO_EFFECT)
>>> This greater-than-or-equal-to-zero comparison of an unsigned value is always
true. "el->num_values >= 0U".
This is probably just a paranoia check as num_values should be set to at least
1 if the we have an LDAP entry.
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Joseph Sutton <josephsutton@catalyst.net.nz>
The ret variable is just used to set the error message for logging.
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Joseph Sutton <josephsutton@catalyst.net.nz>
This fixes a lot of tests with Python 3.8. Stacktrace example:
File "python/samba/tests/krb5/as_req_tests.py", line 249, in test_as_req_enc_timestamp_rc4_dummy
self._run_as_req_enc_timestamp(
File "python/samba/tests/krb5/as_req_tests.py", line 129, in _run_as_req_enc_timestamp
as_rep, kdc_exchange_dict = self._test_as_exchange(
File "python/samba/tests/krb5/raw_testcase.py", line 3982, in _test_as_exchange
rep = self._generic_kdc_exchange(kdc_exchange_dict,
File "python/samba/tests/krb5/raw_testcase.py", line 2029, in _generic_kdc_exchange
return check_rep_fn(kdc_exchange_dict, callback_dict, rep)
File "python/samba/tests/krb5/raw_testcase.py", line 2328, in generic_check_kdc_rep
self.check_reply_padata(kdc_exchange_dict,
File "python/samba/tests/krb5/raw_testcase.py", line 2998, in check_reply_padata
got_patypes = tuple(pa['padata-type'] for pa in rep_padata)
TypeError: 'NoneType' object is not iterable
This adds additional checks for rep_padata.
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Otherwise useful information gets lost while converting
from NTSTATUS to krb5_error and back to NTSTATUS again.
E.g. NT_STATUS_ACCOUNT_DISABLED would be audited as
NT_STATUS_ACCOUNT_LOCKED_OUT.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15015
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Cases to handle KDC_AUTH_EVENT_VALIDATED_LONG_TERM_KEY and
KDC_AUTH_EVENT_PREAUTH_SUCCEEDED were removed in:
commit 791be84c3e
Author: Stefan Metzmacher <metze@samba.org>
Date: Wed Mar 2 10:10:08 2022 +1300
s4:kdc: hdb_samba4_audit() is only called once per request
Normally these auth event types are overwritten with the
KDC_AUTH_EVENT_CLIENT_AUTHORIZED event type, but if a client passes the
pre-authentication check, and happens to fail the client access check
(e.g. because the account is disabled), we get error messages of the
form:
hdb_samba4_audit: Unhandled hdb_auth_status=9 => INTERNAL_ERROR
To avoid such errors, use the error code provided in the request
structure to obtain a relevant status code in cases not handled
explicitly.
For unexpected values we return KRB5KRB_ERR_GENERIC
in order to hopefully prevent success. And within make test
we panic in order let a ci run fail.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15015
Pair-Programmed-With: Stefan Metzmacher <metze@samba.org>
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
In SMBC_server_internal(), when authentication fails, the errno value is
currently hard-coded to EPERM, while it should be EACCES instead. Use the
NT_STATUS map to set the appropriate value.
This bug was found because it breaks listing printers protected by
authentication in GNOME Control Panel.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14983
Signed-off-by: Elia Geretto <elia.f.geretto@gmail.com>
Reviewed-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Wed Mar 16 19:44:18 UTC 2022 on sn-devel-184
To properly update the filesize on all cluster nodes simultaneously
Signed-off-by: Archana Chidirala <archana.chidirala.chidirala@ibm.com>
Reviewed-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
We create an KDC ip string entry directly at the beginning, use it if we
don't have any additional DCs.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15016
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Guenther Deschner <gd@samba.org>
Autobuild-User(master): Günther Deschner <gd@samba.org>
Autobuild-Date(master): Wed Mar 16 14:26:36 UTC 2022 on sn-devel-184
