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Tested also against Windows Server 2022.
Details:
https://lists.samba.org/archive/cifs-protocol/2022-April/003673.html
Pair-Programmed-With: Stefan Metzmacher <metze@samba.org>
Signed-off-by: Andreas Schneider <asn@samba.org>
Signed-off-by: Stefan Metzmacher <metze@samba.org>
We also move the authentication to after checking whether the user is
protected, so that if a user in the Protected Users group tries to
authenticate with a wrong password, the bag password count is not
incremented and the account is not locked out. This does not match
MS-APDS, but matches the behaviour of Windows.
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Accounts in the Protected Users group acting as clients lack support for
the RC4 encryption type. TGTs issued to such accounts have a lifetime
restricted to four hours, and are unable to be proxied or forwarded.
To determine at lookup time whether a client account is a member of
Protected Users, we now also create an auth_user_info_dc structure when
creating the database entry for an AS-REQ, rather than only when
creating a PAC for a TGT, or when recreating the PAC from an RODC-issued
TGT.
This means that the user's groups are now expanded even for AS-REQs that
result in an error (such as a PREAUTH_REQUIRED error), but this is
required to be able to correctly determine the account's available
encryption types, which are needed soon after fetching the user account.
Currently, the TGT lifetime may exceed four hours (for Heimdal
specifically). This may happen if PKINIT is used, and either the
pkinit_max_life_from_cert_extension option is TRUE and
pkinit_max_life_bound is greater than four hours, or
pkinit_max_life_from_cert is greater than four hours.
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
The Heimdal upgrade brings the new feature of FAST, allowing more tests to pass.
However it causes a regression in FL2003 for the returned salt format in
the AS-REP, but FL 2003 has not been the default since Samba 4.2 as AES
keys are much stronger and should be preferred.
NOTE: THIS COMMIT WON'T COMPILE/WORK ON ITS OWN!
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
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): Wed Dec 15 04:33:11 UTC 2021 on sn-devel-184
Padding this buffer to a multiple of 8 bytes allows the PAC buffer
padding to match Windows.
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
This alignment should be done on the Samba side instead.
This reverts commit 28a5a586c8.
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
This flag should be ignored and the FAST armor key used instead.
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
This is not necessary for testing FAST, and was causing some of the
tests to fail.
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
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
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
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>
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>
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>
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>
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>
