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To ensure that, when decrypting the kpasswd ticket, we look up the
correct principal and don't trust the sname from the ticket, we should
pass the principal name of the kpasswd service into krb5_rd_req_ctx().
However, gensec_krb5_update_internal() will pass in NULL unless the
principal in our credentials is CRED_SPECIFIED.
At present, our principal will be considered obtained as CRED_SMB_CONF
(from the cli_credentials_set_conf() a few lines up), so we explicitly
set the realm again, but this time as CRED_SPECIFIED. Now the value of
server_in_keytab that we provide to smb_krb5_rd_req_decoded() will not
be NULL.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15074
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andreas Schneider <asn@samba.org>
[jsutton@samba.org Removed knownfail as KDC no longer panics]
This plugin is now only used by the kpasswd service. Thus, ensuring we
only look up the kadmin/changepw principal means we can't be fooled into
accepting tickets for other service principals. We make sure not to
specify a specific kvno, to ensure that we do not accept RODC-issued
tickets.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15074
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andreas Schneider <asn@samba.org>
[jsutton@samba.org Fixed knownfail conflicts]
[jsutton@samba.org Renamed entry to entry_ex; fixed knownfail conflicts;
retained knownfail for test_kpasswd_from_rodc which now causes the KDC
to panic]
We would only compare the first 'n' characters, where 'n' is the length
of the principal component string, so 'k@REALM' would erroneously be
considered equal to 'krbtgt@REALM'.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15047
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andreas Schneider <asn@samba.org>
We should not be able to use krb@REALM instead of krbtgt@REALM.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15047
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andreas Schneider <asn@samba.org>
[jsutton@samba.org Fixed conflicts due to having older version of
_run_as_req_enc_timestamp()]
For Heimdal, this now matches the behaviour of Windows. The object of
this requirement is to ensure we don't allow kpasswd tickets, not having
a lifetime of more than two minutes, to be passed off as TGTs.
An existing requirement for TGTs to contain a REQUESTER_SID PAC buffer
suffices to prevent kpasswd ticket misuse, so this is just an additional
precaution on top.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15047
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andreas Schneider <asn@samba.org>
[jsutton@samba.org As we don't have access to the ticket or the request
in the plugin, rewrote check directly in Heimdal KDC]
Since this principal goes through the samba_kdc_fetch_server() path,
setting the canonicalisation flag would cause the principal to be
replaced with the sAMAccountName; this meant requests to
kadmin/changepw@REALM would result in a ticket to krbtgt@REALM. Now we
properly handle canonicalisation for the kadmin/changepw principal.
View with 'git show -b'.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15047
Pair-Programmed-With: Andreas Schneider <asn@samba.org>
Signed-off-by: Andreas Schneider <asn@samba.org>
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andreas Schneider <asn@samba.org>
[jsutton@samba.org Adapted entry to entry_ex->entry; removed MIT KDC
1.20-specific knownfails]
The error_data we create already has an explicit length, and should not
be zero-terminated, so we omit the trailing null byte. Previously,
Heimdal builds would leave a superfluous trailing null byte on error
strings, while MIT builds would omit the final character.
The two bytes added to the string's length are for the prepended error
code.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15047
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15049
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15074
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andreas Schneider <asn@samba.org>
[jsutton@samba.org Removed MIT KDC 1.20-specific knownfails]
So that we do not confuse TGTs and kpasswd tickets, it is critical to
check that the REQUESTER_SID buffer exists in TGTs, and to ensure that
it is not propagated to service tickets.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15047
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
[jsutton@samba.org Brought in changes to add ATTRIBUTES_INFO and
REQUESTER_SID buffers to new PACs, and updated knownfails]
[jsutton@samba.org Adjusted MIT knownfails]
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): Tue Dec 7 04:54:35 UTC 2021 on sn-devel-184
(cherry picked from commit 8bd7b316bd)
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): Tue Nov 30 03:33:26 UTC 2021 on sn-devel-184
(cherry picked from commit 38c5bad4a8)
Normally samba_wdc_get_pac() is used to generate the PAC for a TGT, but
when generating a service ticket for S4U2Self, we want to avoid adding
the additional PAC_ATTRIBUTES_INFO and PAC_REQUESTER_SID buffers.
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
(cherry picked from commit 9bd2680485)
If we decided not to put a PAC into the ticket, mspac would be NULL
here, and the resulting ticket would not contain a PAC. This could
happen if there was a request to omit the PAC or the service did not
require authorization data. Ensure that we always generate a PAC.
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
(cherry picked from commit 1f4f3018c5)
Windows ignores PAC_TYPE_ATTRIBUTES_INFO and always issues a PAC when
presented with an RODC-issued TGT. By removing this PAC buffer from
RODC-issued tickets, we ensure that an RODC-issued ticket will still
result in a PAC if it is first renewed or validated by the main DC.
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
(cherry picked from commit 4b60e95164)
This reverts commit fa4c9bcefd.
We should not be generating these additional PAC buffers for service
tickets, only for TGTs.
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
(cherry picked from commit e61983c7f2)
We set EXPECT_EXTRA_PAC_BUFFERS to 0 for the moment. This signifies that
these checks are currently not enforced, which avoids a lot of test
failures.
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
(cherry picked from commit ebc9137cee)
[jsutton@samba.org Fixed conflicts]
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
(cherry picked from commit 7574ba9f58)
[jsutton@samba.org Removed some MIT knownfail changes]
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
(cherry picked from commit d95705172b)
[jsutton@samba.org Fixed MIT knownfail conflict]
LDB_FLAG_MOD_* values are not actually flags, and the previous
comparison was equivalent to
(el->flags & LDB_FLAG_MOD_MASK) == 0
which is only true if none of the LDB_FLAG_MOD_* values are set, so we
would not successfully return if the element was a DELETE. Correct the
expression to what it was intended to be.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15009
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
If an account has an SPN that requires Write Property to set, we should
still be able to delete it with just Validated Write.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15009
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14865
Signed-off-by: Stefan Metzmacher <metze@samba.org>
(similar to commit 0f5d7ff1a9)
Autobuild-User(v4-14-test): Stefan Metzmacher <metze@samba.org>
Autobuild-Date(v4-14-test): Fri Mar 18 11:55:11 UTC 2022 on sn-devel-184
authenticate_ldap_simple_bind*() needs to pass the
result of the cracknames operation into the auth stack
as user_info->client.{account,domain}_name, because
user_info->client.{account,domain}_name is also used
when forwarding the request via netrLogonSamLogon*
to a remote server, for exactly that the values are
also used in order to map a AUTH_PASSWORD_PLAIN into
AUTH_PASSWORD_RESPONSE, where the NTLMv2 response
contains the account and domain names passed in the
netr_IdentityInfo value.
Otherwise it would not be possible to forward the
LDAP simple bind authentication request to a remote
DC.
Currently this only applies to an RODC that forwards
the request to an RWDC.
But note that LDAP simple binds (as on Windows) only
work for users in the DCs forest, as the DsCrackNames
need to work and it can't work for users of remote
forests. I tested that in a DC of a forest root domain,
if rejected the LDAP simple bind against a different forest,
but allowed it for a users of a child domain in the
same forest. The NTLMSSP bind worked in both cases.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13879
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Autobuild-User(master): Andrew Bartlett <abartlet@samba.org>
Autobuild-Date(master): Thu Mar 10 04:10:54 UTC 2022 on sn-devel-184
(cherry picked from commit 40f2070d3b)
Autobuild-User(v4-14-test): Jule Anger <janger@samba.org>
Autobuild-Date(v4-14-test): Wed Mar 16 15:37:02 UTC 2022 on sn-devel-184
mapped_state is a special hack for authenticate_ldap_simple_bind_send()
in order to avoid some additional work in authsam_check_password_internals()
This doesn't apply here. We should also handle wbinfo -a
authentication UPN names, e.g. administrator@DOMAIN,
even if the account belongs to the local sam.
With this change the behavior is consistent also locally on DCs and
also an RODC can handle these requests locally for cached accounts.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13879
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15003
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
(cherry picked from commit 8dfdbe095a)
When winbindd forwards wbinfo -a via netrLogonSamLogon* to a remote
DC work fine for upn names, e.g. administrator@DOMAIN.
But it currently fails locally on a DC against the local sam.
For the RODC only work because it forwards the request to
an RWDC.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13879
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15003
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
(cherry picked from commit e1d2c59d36)
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13879
Signed-off-by: Garming Sam <garming@catalyst.net.nz>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
(cherry picked from commit 62fb6c1dc8)
Using != AUTH_PASSWORD_RESPONSE is not the correct indication
due to the local mappings from AUTH_PASSWORD_PLAIN via
AUTH_PASSWORD_HASH to AUTH_PASSWORD_RESPONSE.
It means an LDAP simble bind will now honour
'old password allowed period'.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13879
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15001
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
(cherry picked from commit 2ad4468622)
We now return INVALID_PARAMETER when trying to open a
different file with a duplicate lease key on the same
(non-dynamic) share. This will enable us to pass another
Windows test suite leases test.
We now behave the same as Windows10.
Remove knownfail.d/smb2-lease-duplicateopen
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14737
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: David Mulder <dmulder@suse.com>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Fri Feb 18 20:12:12 UTC 2022 on sn-devel-184
(cherry picked from commit 408be54323)
Autobuild-User(v4-14-test): Jule Anger <janger@samba.org>
Autobuild-Date(v4-14-test): Mon Mar 7 14:14:53 UTC 2022 on sn-devel-184
Checks we return INVALID_PARAMETER when trying to open a
different file with a duplicate lease key on the same share.
Checked against Windows10. Currently fails against smbd
so add knownfail.d/smb2-lease-duplicateopen
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14737
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: David Mulder <dmulder@suse.com>
(cherry picked from commit ca3896b6f8)
It went wrong in 366f8cf090
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Volker Lendecke <vl@samba.org>
Autobuild-User(master): Volker Lendecke <vl@samba.org>
Autobuild-Date(master): Wed Jan 26 12:39:52 UTC 2022 on sn-devel-184
(cherry picked from commit 309f198226)
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14996
