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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): Thu Jun 29 20:15:05 CEST 2017 on sn-devel-144
This helps to be consistent when destroying a unuseable sub context.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
The lines above make sure it's always true.
Check with git show -U15
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
Every fatal error should mark the spnego_state to reject any further update()
calls.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
Some servers may not announce the NTLMSSP_NEGOTIATE_NTLM2
(a.k.a. NTLMSSP_NEGOTIATE_EXTENDED_SESSIONSECURITY) bit.
But if we're acting as a client using NTLMv2 we need to
enforce this flag, because it's not really a negotiationable
in that case.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=12862
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
We move as must as possible into ntlmssp_server_{pre,post}auth().
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Autobuild-User(master): Stefan Metzmacher <metze@samba.org>
Autobuild-Date(master): Mon Jun 26 13:07:30 CEST 2017 on sn-devel-144
We only create a temporary auth_usersupplied_info structure and pass it
down as const, lets keep the values on ntlmssp_state otherwise we may derefence
stale pointers.
We finally free the memory at the end of ntlmssp_server_postauth() now.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Add code to encrypt a netr_CryptPassword structure with the current
session key. This allows the making of Netr_ServerPasswordSet2 calls
from python.
Signed-off-by: Gary Lockyer <gary@catalyst.net.nz>
Reviewed-by: Garming Sam <garming@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Add method new_client_authenticator that returns data to allow a
netr_Authenticator to be constructed.
Allows python to make netr_LogonSamLogonWithFlags,
netr_LogonGetDomainInfo and similar calls
Signed-off-by: Gary Lockyer <gary@catalyst.net.nz>
Reviewed-by: Garming Sam <garming@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
This allows us to write clearer code that
checks for NT_STATUS_OK and NT_STATUS_MORE_PROCESSING_REQUIRED.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
This is required to support async subcontexts.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
The challenge parameter was being treated as a string rather than as a
data blob. This was causing intermittent seg faults. Removed the
server_timestamp parameter as it's not currently used.
Unable to produce a test case to reliably replicate the failure.
However auth_log_samlogon does flap
Signed-off-by: Gary Lockyer <gary@catalyst.net.nz>
Reviewed-by: Garming Sam <garming@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Fix copy paste error was incorrectly named "get_ntlm_username_domain"
Signed-off-by: Gary Lockyer <gary@catalyst.net.nz>
Reviewed-by: Garming Sam <garming@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Signed-off-by: Gary Lockyer <gary@catalyst.net.nz>
Reviewed-by: Garming Sam <garming@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Some backends still do some nested event context magic,
but that mapping between async and sync is done in these backends
and not in the core gensec code anymore.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Currently only backend functions are sync functions, but that needs
to change in future.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
The caller is expected always pass a valid context and this fallback
was needed ages ago.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
This means any further gensec_update() will fail with
NT_STATUS_INVALID_PARAMETER.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
This means we no longer allow operations on a half finished authentication,
it's activated by gensec_child_ready().
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
They will be used to simplify the spnego backend
and maybe of some use for a future negoex backend.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
This is no a real problem until now, because the only backends with update_send()/recv()
are "schannel" (which only supports AUTH_LEVEL_{INTEGRITY,PRIVACY}) and
"naclrpc_as_system" (which doesn't support any protection beside using unix
domain sockets).
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
This went unnoticed so long as we don't use -Wc++-compat
and gensec_update_ev() used the sync update() hook for all
NTLMSSP and Kerberos.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=12788
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
The "s#" format code for PyArg_ParseTupleAndKeywords and Py_BuildValue
converts a char* and size to/from Python str (with utf-8 encoding under
Python 3).
In some cases, we want bytes (str on Python 2, bytes on 3) instead. The
code for this is "y#" in Python 3, but that is not available in 2.
Introduce a PYARG_BYTES_LEN macro that expands to "s#" or "y#", and use
that in:
- credentials.get_ntlm_response (for input and output)
- ndr_unpack argument in PIDL generated code
Signed-off-by: Petr Viktorin <pviktori@redhat.com>
Reviewed-by: Andreas Schneider <asn@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
The wscript_build files convey what header files belong to which
logical package. For example,
# lib/util/wscript_build:
bld.SAMBA_LIBRARY('samba-util',
public_headers='... data_blob.h ...'
# auth/credentials/wscript_build:
bld.SAMBA_LIBRARY('samba-credentials',
public_headers='credentials.h',
Now, credentials.h #includes <util/data_blob.h> and therefore,
samba-credentials.pc must have a Requires: samba-util.
Similarly for other parts.
Signed-off-by: Jan Engelhardt <jengelh@inai.de>
Reviewed-by: David Disseldorp <ddiss@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
We now pass on the original client name and the client address to allow
consistent audit logging in Samba across multiple protocols.
We use config->db[0] to find the first database to record incorrect
users.
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
This will allow tests to be written to confirm the correct events are triggered.
We pass in a messaging context from the callers
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
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>
This will help avoid a dep loop when the low-level auth code relies on the message
code to deliver authentication messages
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
We also log if a simple bind was over TLS, as this particular case matters to a lot of folks
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
We typically do not want a lot of logging of anonymous access, as this is often
simple a preperation for authenticated access, so we make that level 5.
Bad passwords remain at level 2, successful password authentication is level 3
and successful authorization (eg kerberos login to SMB) is level 4.
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>
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>
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>
In ntlm_auth.c and authdata.c, the session info will be incomplete
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>
This ensures that gensec, and then the NTLM auth subsystem under it, always gets the
remote and local address pointers for potential logging.
The local address allows us to know which interface an authentication is on
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>
Add a human readable authentication log line, to allow
verification that all required details are being passed.
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>
This will allow the authentication log to indicate clearly how the password was
supplied to the server.
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>
This allows the GENSEC service description to be read at authentication time
for logging, eg that the user authenticated to the SAMR server
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>
This allows a free text description of what the server-side service is for logging
purposes where the various services may be using the same Kerberos service or not
use Kerberos.
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>
This will allow a very verbose JSON line to be logged that others can audit from in the future
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>
So far this is only on the AD DC
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Garming Sam <garming@catalyst.net.nz>
Pair-Programmed-by: Gary Lockyer <gary@catalyst.net.nz>
Signed-off-by: Gary Lockyer <gary@catalyst.net.nz>
Update a few wscript_build files to build Python 3-compatible modules
for Python 3.
Signed-off-by: Lumir Balhar <lbalhar@redhat.com>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Port Python bindings of samba.credentials module to
Python3-compatible form using macros from py3compat.h.
Signed-off-by: Lumir Balhar <lbalhar@redhat.com>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Signed-off-by: Chris Lamb <chris@chris-lamb.co.uk>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Garming Sam <garming@catalyst.net.nz>
Signed-off-by: Chris Lamb <chris@chris-lamb.co.uk>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Garming Sam <garming@catalyst.net.nz>
Without inlining the function, GCC doesn't know that
gensec_ntlmssp->ntlmssp_state->role always has a valid value.
With inlining, this is obviously redundant but GCC clearly knows
enough to detect this and elide the default case.
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
coverity fix.
cli_credentials_set_principal does a strdup, we want to free 'name'
regardless of the result in 'ok'.
Signed-off-by: Aurelien Aptel <aaptel@suse.com>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
This sets the default principal on the copied ccache if it hasn't been
set yet.
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
These files should not be executable.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Autobuild-User(master): Volker Lendecke <vl@samba.org>
Autobuild-Date(master): Wed Jan 11 20:21:01 CET 2017 on sn-devel-144
This fixes a bug in gensec_gssapi_client_start() where an invalid realm
is used to get a Kerberos ticket.
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
aes based checksums can only be checked with the
corresponding aes based keytype.
Otherwise we may trigger an undefined code path
deep in the kerberos libraries, which can leed to
segmentation faults.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=12446
Signed-off-by: Stefan Metzmacher <metze@samba.org>
We now first just remember the domain, realm, username, password values
(the last value wins).
At the end we call cli_credentials_set_{realm,domain,password}()
followed by cli_credentials_parse_string() for 'username'.
It means the last 'username' line beats the domain, realm or password lines, e.g.:
username=USERDOMAIN\username
domain=DOMAIN
will result in cli_credentials_get_domain() returning "USERDOMAIN" instead of
DOMAIN.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Some existing source3 tests (test_smbclient_s3.sh test_auth_file()) use a credentials file
that looks like this:
username=DOMAIN/username
password=password
domain=DOMAIN
This change allows us to parse the same.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
If we reset username we need to reset principal if it was set at the same level.
If domain is reset we also need to use it as realm if realm
was set at the same level. Otherwise we'd build a principal
that belongs to a different user, which would not work
and only increment the wrong lockout counter and result
in wrong authorization tokens to be used.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
If cli_credentials_parse_string() is used we should no longer use
any guessed values and need to make sure username and domain
are reset if principal and realm are set.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
We should not have cli_credentials_get_realm() return "" without a
configured (default) realm in smb.conf.
Note that the existing tests with creds.get_realm() == lp.get("realm")
also work with "" as string.
At the same time we should never let cli_credentials_get_principal()
return "@REALM.EXAMPLE.COM" nor "username@".
If cli_credentials_parse_string() gets "OTHERDOMAIN\username"
we must not use cli_credentials_get_realm() to generate
a principal unless cli_credentials_get_domain() returns
also "OTHERDOMAIN". What we need to do is using
username@OTHERDOMAIN as principal, whild we still
use cli_credentials_get_realm to get a default kdc,
(which may route us to the correct kdc with WRONG_REALM
messages).
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
We always provide each output blob as it's own talloc memory
and also check for talloc failures.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
These will be used in testsuite for the credentials code
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Garming Sam <garming@catalyst.net.nz>
On the server this check is deferred to the first request.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Günther Deschner <gd@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
BUG: https://bugzilla.samba.org/show_bug.cgi?id=11994
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Christian Ambach <ambi@samba.org>
Autobuild-User(master): Christian Ambach <ambi@samba.org>
Autobuild-Date(master): Fri Sep 2 18:10:44 CEST 2016 on sn-devel-144
Heimdal and MIT Kerberos have different API to copy credentials from a
ccache. Wrap it via lib/krb5_wrap/.
Signed-off-by: Alexander Bokovoy <ab@samba.org>
Reviewed-by: Guenther Deschner <gd@samba.org>
Autobuild-User(master): Günther Deschner <gd@samba.org>
Autobuild-Date(master): Mon Jul 25 21:27:58 CEST 2016 on sn-devel-144
This is required in order to support netr_SamInfo6 and PAC_UPN_DNS_INFO
correctly.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
This is the second part for the issue from commit 8bb4fccd. A KDC that
does not return a PAC first triggers this message, then the "resorting
to local user lookup" one. Change the log level for the "obtaining PAC
via GSSAPI gss_get_name_attribute" message as well to avoid spamming the
logs during normal usage. While changing this message, also remove the
discard_const since it is no longer required.
Signed-off-by: Christof Schmitt <cs@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Autobuild-User(master): Andrew Bartlett <abartlet@samba.org>
Autobuild-Date(master): Wed Jul 6 04:27:03 CEST 2016 on sn-devel-144
BUG: https://bugzilla.samba.org/show_bug.cgi?id=12006
Signed-off-by: Uri Simchoni <uri@samba.org>
Signed-off-by: Richard Sharpe <rsharpe@samba.org>
Signed-off-by: Andreas Schneider <asn@samba.org>
Autobuild-User(master): Richard Sharpe <sharpe@samba.org>
Autobuild-Date(master): Wed Jul 6 00:40:15 CEST 2016 on sn-devel-144
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 Jun 30 07:16:45 CEST 2016 on sn-devel-144
This includes user_principal_name and dns_domain_name.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
We need to take care of extra sids in level 3 and 6!
And level 6 also includes user_principal_name and dns_domain_name.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
For a Samba server that uses a non-AD KDC this message is triggered on
every new connection. Change the log level from warning/1 to a more
appropriate notice/5.
Signed-off-by: Christof Schmitt <cs@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Enforcement of SMB signing is done at the SMB layer.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=11850
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Günther Deschner <gd@samba.org>
It doesn't make any sense to allow other auth levels.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=11749
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Günther Deschner <gd@samba.org>
We now detect a MsvAvTimestamp in target info as indication
of the server to support NTLMSSP_MIC in the AUTH_MESSAGE.
If the client uses NTLMv2 we provide
NTLMSSP_AVFLAG_MIC_IN_AUTHENTICATE_MESSAGE and valid MIC.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=11644
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Günther Deschner <gd@samba.org>
We now include a MsvAvTimestamp in our target info as indication
for the client to include a NTLMSSP_MIC in the AUTH_MESSAGE.
If the client uses NTLMv2 we check NTLMSSP_AVFLAG_MIC_IN_AUTHENTICATE_MESSAGE
and require a valid MIC.
This is still disabled if the "map to guest" feature is used.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=11644
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Günther Deschner <gd@samba.org>
If we clear CLI_CRED_LANMAN_AUTH and we should also clear the lm_response buffer
and don't send it over the net.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=11644
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Günther Deschner <gd@samba.org>
[MS-SPNG] requires the NTLMSSP RC4 states to be reset after
the SPNEGO exchange with mechListMic verification (new_spnego).
The 'reset_full' parameter is needed to support the broken
behavior that windows only resets the RC4 states but not the
sequence numbers. Which means this functionality is completely
useless... But we want to work against all windows versions...
BUG: https://bugzilla.samba.org/show_bug.cgi?id=11644
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Günther Deschner <gd@samba.org>
It's important to check if got the GENSEC_FEATURE_SIGN and if the caller
wanted it.
The caller may only asked for GENSEC_FEATURE_SESSION_KEY which implicitly
negotiates NTLMSSP_NEGOTIATE_SIGN, which might indicate GENSEC_FEATURE_SIGN
to the SPNEGO glue code.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=11644
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Günther Deschner <gd@samba.org>
[MS-SPNG] requires the NTLMSSP RC4 states to be reset after
the SPNEGO exchange with mechListMic verification (new_spnego).
This provides the infrastructure for this feature.
The 'reset_full' parameter is needed to support the broken
behavior that windows only resets the RC4 states but not the
sequence numbers. Which means this functionality is completely
useless... But we want to work against all windows versions...
BUG: https://bugzilla.samba.org/show_bug.cgi?id=11644
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Günther Deschner <gd@samba.org>
This used to work more or less before, but only for krb5 with the
server finishing first.
With NTLMSSP and new_spnego the client will finish first.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=11644
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Günther Deschner <gd@samba.org>
New servers response with SPNEGO_REQUEST_MIC instead of
SPNEGO_ACCEPT_INCOMPLETE to a downgrade.
With just KRB5 and NTLMSSP this doesn't happen, but we
want to be prepared for the future.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=11644
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Günther Deschner <gd@samba.org>
Even for SMB where the server provides its mech list,
the client needs to remember its own mech list for the
mechListMIC calculation.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=11644
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Günther Deschner <gd@samba.org>
ntlmssp_handle_neg_flags() can only disable flags, but not
set them. All supported flags are set at start time.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=11644
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Günther Deschner <gd@samba.org>
man smb.conf says "client ntlmv2 auth = yes" the default disables,
"client lanman auth = yes":
...
Likewise, if the client ntlmv2 auth parameter is enabled, then only NTLMv2
logins will be attempted.
...
BUG: https://bugzilla.samba.org/show_bug.cgi?id=11644
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Günther Deschner <gd@samba.org>
We now give an error when required flags are missing.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=11644
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Günther Deschner <gd@samba.org>
In future we can do a more fine granted negotiation
and assert specific security features.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=11644
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Günther Deschner <gd@samba.org>
ops->auth_type == 0, means the backend doesn't support DCERPC.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Günther Deschner <gd@samba.org>
This is now handled by GENSEC_FEATURE_LDAP_STYLE.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Günther Deschner <gd@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
We want also work against old Samba servers which didn't had
GENSEC_FEATURE_LDAP_STYLE we negotiate SEAL too. We may remove this in a few
years. As all servers should support GENSEC_FEATURE_LDAP_STYLE by then.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Günther Deschner <gd@samba.org>
We need to handle NTLMSSP_NEGOTIATE_SIGN as
NTLMSSP_NEGOTIATE_SEAL if GENSEC_FEATURE_LDAP_STYLE
is requested.
This works arround a bug in Windows, which allow signed only
messages using NTLMSSP and LDAP.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Günther Deschner <gd@samba.org>
This will be used for LDAP connections and may trigger
backend specific behaviour.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Günther Deschner <gd@samba.org>
We already set NTLMSSP_NEGOTIATE_VERSION in
gensec_ntlmssp_server_start(), so it's always
set in chal_flags.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Günther Deschner <gd@samba.org>
This matches a modern Windows client.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Günther Deschner <gd@samba.org>
We don't set NTLMSSP_NEGOTIATE_OEM_{DOMAIN,WORKSTATION}_SUPPLIED anyway.
This matches modern Windows clients.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Günther Deschner <gd@samba.org>
This matches a modern Windows client.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Günther Deschner <gd@samba.org>
NTLMSSP_NEGOTIATE_VERSION only indicates the existence of the version
information in the packet.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Günther Deschner <gd@samba.org>
This can used in order to use the WINBINDD_CCACHE_NTLMAUTH
code of winbindd to do NTLMSSP authentication with a cached
password.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Günther Deschner <gd@samba.org>
These can be used to implement the winbindd side of
the WINBINDD_CCACHE_NTLMAUTH call.
It can properly get the initial NEGOTIATE messages
injected if available.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Günther Deschner <gd@samba.org>
This is a hack in order to temporary export the server domain
from NTLMSSP through the gensec stack.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Günther Deschner <gd@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
We do that for all other gensec_security_by_*() functions already.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Günther Deschner <gd@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
This is a hack in order to temporary implement something like:
gensec_ntlmssp_server_domain(), which may be used within spnego.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Günther Deschner <gd@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
This changes pycredentials to use talloc.BaseObject() just like the PIDL output
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Garming Sam <garming@catalyst.net.nz>
We can call pytalloc_reference() and avoid having this in the header file
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Garming Sam <garming@catalyst.net.nz>
This type should not be used directly, it should have been made private
to pytalloc
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Garming Sam <garming@catalyst.net.nz>
This is necessary because it has public headers.
Signed-off-by: Jelmer Vernooij <jelmer@jelmer.uk>
Reviewed-By: Andrew Bartlett <abartlet@samba.org>
Reviewed-By: Stefan Metzmacher <metze@samba.org>
Autobuild-User(master): Jelmer Vernooij <jelmer@samba.org>
Autobuild-Date(master): Wed Jan 13 07:47:04 CET 2016 on sn-devel-144
