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This is important to allow the 'new_spnego' with mech_list protection to work
for a SMB session setup.
This is not strictly needed as we always announce GENSEC_FEATURE_SESSION_KEY
in gensec_gssapi_have_feature(), but it's better to send GSS_C_INTEG_FLAG
over the wire.
This may prevent a ticket from a Samba client to an SMB server
(particularly a DC) being misused to connect to the LDAP server on that
DC, as the LDAP server will require GSSAPI signing of the connection.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Pass in the TALLOC_CTX * from the module init to remove
another talloc_autofree_context() use.
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
Not currently used - no logic changes inside.
This will make it possible to pass down a long-lived talloc
context from the loading function for modules to use instead
of having them internally all use talloc_autofree_context()
which is a hidden global.
Updated all known module interface numbers, and added a
WHATSNEW.
Signed-off-by: Jeremy Allison <jra@samba.org>
Signed-off-by: Ralph Böhme <slow@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Sat Apr 22 01:17:00 CEST 2017 on sn-devel-144
Administrators really care about how their users were authenticated, so make
this clear.
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Pair-Programmed-by: Gary Lockyer <gary@catalyst.net.nz>
Signed-off-by: Gary Lockyer <gary@catalyst.net.nz>
BUG: https://bugzilla.samba.org/show_bug.cgi?id=12554
Pair-Programmed-With: Stefan Metzmacher <metze@samba.org>
Signed-off-by: Andreas Schneider <asn@samba.org>
Signed-off-by: Stefan Metzmacher <metze@samba.org>
BUG: https://bugzilla.samba.org/show_bug.cgi?id=12554
Pair-Programmed-With: Stefan Metzmacher <metze@samba.org>
Signed-off-by: Andreas Schneider <asn@samba.org>
Signed-off-by: Stefan Metzmacher <metze@samba.org>
BUG: https://bugzilla.samba.org/show_bug.cgi?id=12554
Pair-Programmed-With: Stefan Metzmacher <metze@samba.org>
Signed-off-by: Andreas Schneider <asn@samba.org>
Signed-off-by: Stefan Metzmacher <metze@samba.org>
If gensec_get_target_principal() has a value, we no longer have to verify
the gensec_get_target_hostname() value, it can be just an ipadress.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
The cli_credentials_set_client_gss_creds() will set the correct realm
from the gss creds.
Pair-Programmed-With: Andreas Schneider <asn@samba.org>
Pair-Programmed-With: Stefan Metzmacher <metze@samba.org>
Signed-off-by: David Mulder <dmulder@suse.com>
Signed-off-by: Andreas Schneider <asn@samba.org>
Signed-off-by: Stefan Metzmacher <metze@samba.org>
This disabled the usage of GSS_C_DELEG_FLAG by default, as
GSS_C_DELEG_POLICY_FLAG is still used by default we let the
KDC decide if we should send delegated credentials to a remote server.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=12445
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Alexander Bokovoy <ab@samba.org>
Reviewed-by: Simo Sorce <idra@samba.org>
This is important in order to let the kdc of the users realm start with
the trust referral routing.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
We need to calculate the signature length based on the negotiated
flags. This is most important on the server side where,
gss_accept_sec_context() doesn't get gss_want_flags, but fills
gss_got_flags.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Günther Deschner <gd@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
This fixes authentication with local credentials against its own server
using netbios domain name.
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Alexander Bokovoy <ab@samba.org>
Fixes this:
../source4/auth/gensec/gensec_gssapi.c:1017:3: error: format ‘%ju’ expects argument of type ‘uintmax_t’, but argument 3 has type ‘size_t’ [-Werror=format=]
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
This way are able to support GENSEC_FEATURE_SIGN_PKT_HEADER also together with
GENSEC_FEATURE_SEAL.
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): Wed Jun 24 04:00:43 CEST 2015 on sn-devel-104
This way are able to support GENSEC_FEATURE_SIGN_PKT_HEADER.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
This way the result matches what gss_wrap_iov_length() would return.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
This avoids calls to gensec_gssapi_sig_size() as fallback in
gensec_max_input_size().
gensec_gssapi_sig_size() needs to report the sig size
gensec_{sign,seal}_packet(), which could be different to the
overhead produced by gensec_wrap().
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
When requesting initiator credentials fails, we need to map the error code
KRB5KRB_AP_ERR_BAD_INTEGRITY to NT_STATUS_LOGON_FAILURE as well. This is what
current MIT kerberos returns.
Guenther
Signed-off-by: Günther Deschner <gd@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
With MIT Kerberos it is possible that the GSS_C_DELEG_FLAG is set, but
the delegated_cred_handle is NULL which results in a NULL-pointer
dereference. This way we fix it.
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
The 'nt_status' variable is set to NT_STATUS_OK before.
Bug: https://bugzilla.samba.org/show_bug.cgi?id=11164
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Alexander Bokovoy <ab@samba.org>
Autobuild-User(master): Alexander Bokovoy <ab@samba.org>
Autobuild-Date(master): Wed Feb 25 16:32:29 CET 2015 on sn-devel-104
Found with valgrind.
Signed-off-by: Andreas Schneider <asn@samba.org>
Pair-Programmed-With: Guenther Deschner <gd@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Autobuild-User(master): Günther Deschner <gd@samba.org>
Autobuild-Date(master): Fri Aug 8 19:01:56 CEST 2014 on sn-devel-104
The event context here was only specified in the server or admin-tool
context, which does not do network communication, so this only caused
a talloc_reference() and never any useful result.
The actual network communication code sets an event context directly
before making the network call.
Andrew Bartlett
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Autobuild-User(master): Andrew Bartlett <abartlet@samba.org>
Autobuild-Date(master): Mon Apr 28 02:24:57 CEST 2014 on sn-devel-104
Change-Id: I333083e11a56d0f99ec36df25a96804d0ff2d110
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
If header signing is requested we should error out instead of
silently ignoring it, our peer would hopefully reject it,
but we should also do that.
TODO: we should implement header signing using gss_wrap_iov().
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
We should treat most gensec related structures private.
It's a long way, but this is a start.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Signed-off-by: Guenter Kukkukk <kukks@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Autobuild-User(master): Andrew Bartlett <abartlet@samba.org>
Autobuild-Date(master): Tue Feb 12 07:28:27 CET 2013 on sn-devel-104
We need to ifdef out some minor things here because there is no available API
to set these options in MIT.
The realm and canonicalize options should be not interesting in the client
case. Same for the send_to_kdc hacks.
Also the OLD DES3 enctype is not at all interesting. I am not aware that
Windows will ever use DES3 and no modern implementation relies on that enctype
anymore as it has been fully deprecated long ago, so we can simply ignore it.
With waf build include directories are defined by dependencies specified to subsystems.
Without proper dependency <gssapi/gssapi.h> cannot be found for embedded Heimdal builds
when there are no system-wide gssapi/gssapi.h available.
Split out GSSAPI header includes in a separate replacement header and use that explicitly
where needed.
Autobuild-User: Alexander Bokovoy <ab@samba.org>
Autobuild-Date: Wed Apr 25 00:18:33 CEST 2012 on sn-devel-104
This is clearly a utiliy function generic to gensec. Also the 3 callers
had identical implementations. Provide a generic implementation for all
of them and avoid duplicating the code everywhere.
Signed-off-by: Andreas Schneider <asn@samba.org>
