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This means nt_status_squash() will map NT_STATUS_NO_SUCH_USER to
LOGON_FAILURE later.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
I think it's better to handle them in spnego.c, instead of squashing
them already in the gssapi/gse modules. This is related to
KRB5KDC_ERR_{C,S}_PRINCIPAL_UNKNOWN and KRB5_REALM_UNKNOWN.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14106
Signed-off-by: Isaac Boukris <iboukris@redhat.com>
Reviewed-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Autobuild-User(master): Andreas Schneider <asn@cryptomilk.org>
Autobuild-Date(master): Sat Oct 12 15:51:42 UTC 2019 on sn-devel-184
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14106
Signed-off-by: Isaac Boukris <iboukris@redhat.com>
Reviewed-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
We should not use the mech list sent by the server in the last
'negotiate' packet in CIFS protocol, as it is not protected and
may be subject to downgrade attacks.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14106
Signed-off-by: Isaac Boukris <iboukris@redhat.com>
Reviewed-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Workaround bug present in gnutls 3.6.8:
gnutls_cipher_decrypt() uses an optimization
internally that breaks decryption when processing
buffers with their length not being a multiple
of the blocksize.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Pair-Programmed-With: Guenther Deschner <gd@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
Fixes:
auth/gensec/spnego.c:877:2: warning: Value stored to 'status' is never read <--[clang]
status = sub_status;
^ ~~~~~~~~~~
1 warning generated.
Signed-off-by: Noel Power <noel.power@suse.com>
Reviewed-by: Gary Lockyer <gary@catalyst.net.nz>
That's currently always the case and will simplifies the callers.
WORKS now???
TDB_NO_FSYNC=1 buildnice make -j test FAIL_IMMEDIATELY=1 SOCKET_WRAPPER_KEEP_PCAP=1 TESTS='samba4.rpc.lsa.secrets.*ncacn_np.*Kerberos.*Samba3.*fl2000dc'
and
TDB_NO_FSYNC=1 buildnice make -j test FAIL_IMMEDIATELY=1 SOCKET_WRAPPER_KEEP_PCAP=1 TESTS='samba3.rpc.lsa.*ncacn_ip_tcp.*nt4_dc'
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Sun Dec 23 21:33:51 CET 2018 on sn-devel-144
Signed-off-by: Mourik Jan C Heupink <heupink@merit.unu.edu>
Reviewed-by: Garming Sam <garming@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
Autobuild-User(master): Andreas Schneider <asn@cryptomilk.org>
Autobuild-Date(master): Tue Jul 25 17:42:55 CEST 2017 on sn-devel-144
In future we have get more backends that can negotiate other backends,
we should keep all of them even if we require kerberos.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
This makes it easier to spot problems with all the abstraction and async layers.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
The name is not ideal as someone might think we will panic and abort the
process. So rename it to gensec_spnego_reset_sub_sec().
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
This adds and uses the gensec_spnego_neg_loop() abstraction, which
abstracts start, step and finish hooks.
The start hook does the initial processing on the incoming paket and
may start the first possible subcontext. It indicates that
gensec_update() is required on the subcontext by returning
NT_STATUS_MORE_PROCESSING_REQUIRED and return something useful in
'in_next'. Note that 'in_mem_ctx' is just passed as a hint, the
caller should treat 'in_next' as const and don't attempt to free the
content. NT_STATUS_OK indicates the finish hook should be invoked
directly withing the need of gensec_update() on the subcontext.
Every other error indicates an error that's returned to the caller.
The step hook processes the result of a failed gensec_update() and
can decide to ignore a failure or continue the negotiation by
setting up the next possible subcontext. It indicates that
gensec_update() is required on the subcontext by returning
NT_STATUS_MORE_PROCESSING_REQUIRED and return something useful in
'in_next'. Note that 'in_mem_ctx' is just passed as a hint, the
caller should treat 'in_next' as const and don't attempt to free the
content. NT_STATUS_OK indicates the finish hook should be invoced
directly withing the need of gensec_update() on the subcontext.
Every other error indicated an error that's returned to the caller.
The finish hook processes the result of a successful gensec_update()
(NT_STATUS_OK or NT_STATUS_MORE_PROCESSING_REQUIRED). It forms the
response pdu that will be returned from the toplevel gensec_update()
together with NT_STATUS_OK or NT_STATUS_MORE_PROCESSING_REQUIRED. It
may also alter the state machine to prepare receiving the next pdu
from the peer.
This is the start of using this abstraction for the initial client or server
start with on empty input token from the peer.
This abstraction will be applied to all four other spnego states,
gensec_spnego_{client,server}_negToken{Init,Targ}() in the following
commits.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
gensec_spnego_server_response() is never called with a fatal error anymore.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
It doesn't make sense to produce an output token without
returning OK or MORE_PROCESSING_REQUIRED.
Even in v4-0-test we had gensec_spnego_update_wrapper()
which only passed the constructed output token to the caller
with OK or MORE_PROCESSING_REQUIRED.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
If we wait for the mechListMIC from the server we should send a valid paket
instead of an empty blob.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
