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This patch ensures consistency in behaviour between NTLMSSP and NTLM
session setup handlers. By calling the same layer that auth_ntlmssp
calls, we can not only allow redirection of all authentication to the
AD DC, we ensure that map to guest and username map handling is
consistent, even in the file server alone.
Andrew Bartlett
This patch removes security=share, which Samba implemented by matching
the per-share password provided by the client in the Tree Connect with
a selection of usernames supplied by the client, the smb.conf or
guessed from the environment.
The rationale for the removal is that for the bulk of security=share
users, we just we need a very simple way to run a 'trust the network'
Samba server, where users mark shares as guest ok. This is still
supported, and the smb.conf options are documented at
https://wiki.samba.org/index.php/Public_Samba_Server
At the same time, this closes the door on one of the most arcane areas
of Samba authentication.
Naturally, full user-name/password authentication remain available in
security=user and above.
This includes documentation updates for username and only user, which
now only do a small amount of what they used to do.
Andrew Bartlett
--------------
/ \
/ REST \
/ IN \
/ PEACE \
/ \
| SEC_SHARE |
| security=share |
| |
| |
| 5 March |
| |
| 2012 |
*| * * * | *
_________)/\\_//(\/(/\)/\//\/\///|_)_______
This makes the logic much easier to follow.
metze
Autobuild-User: Stefan Metzmacher <metze@samba.org>
Autobuild-Date: Tue Jan 31 21:52:45 CET 2012 on sn-devel-104
This is possible because the s3 gensec modules are started as
normal gensec modules, so we do not need a wrapper any more.
Andrew Bartlett
Signed-off-by: Stefan Metzmacher <metze@samba.org>
This makes the long term owner of this memory more clear. So far only the
clear cases have been moved from NULL however.
Andrew Bartlett
Signed-off-by: Stefan Metzmacher <metze@samba.org>
This function handles more than NTLMSSP now, at least when we are an AD DC
and so changing the name may avoid some confusion in the future.
Andrew Bartlett
Signed-off-by: Stefan Metzmacher <metze@samba.org>
This structure handles more than NTLMSSP now, at least when we are an AD DC
and so changing the name may avoid some confusion in the future.
Andrew Bartlett
Signed-off-by: Stefan Metzmacher <metze@samba.org>
This avoids having the same check in 3 different parts of the code
Andrew Bartlett
Autobuild-User: Andrew Bartlett <abartlet@samba.org>
Autobuild-Date: Wed Aug 3 12:45:04 CEST 2011 on sn-devel-104
There is no longer any theft of memory as the underlying routines now
produce a new auth_session_info for this caller, allocating it
on the supplied memory context.
Andrew Bartlett
This tests if the auth_generic_start() hook is available on the auth
context during the negprot, and if so it uses auth_generic_start() to
hook to GENSEC to handle the full SPNEGO blob.
Andrew Bartlett
Signed-off-by: Andrew Tridgell <tridge@samba.org>
Rather than passing this value around the callers, and eventually
setting it in register_existing_vuid(), we simply pass it to
create_local_token(). This also removes the need for
auth_ntlmssp_get_username().
Andrew Bartlett
Signed-off-by: Andrew Tridgell <tridge@samba.org>
This helps map on to the GENSEC semantics better, and ensures that the
full set of desired features are set before the mechanism starts.
Andrew Bartlett
Signed-off-by: Andrew Tridgell <tridge@samba.org>
This is changed so that the callers ask for the additional flags
that they need, starting with no additional flags.
This helps to create a proper abstraction layer in
ntlmssp_wrap/auth_ntlmssp.
Andrew Bartlett
Signed-off-by: Andrew Tridgell <tridge@samba.org>
This means we no longer need two different map to guest functions
and have consistent logic with fewer layering violations.
Andrew Bartlett
Signed-off-by: Andrew Tridgell <tridge@samba.org>
Instead, we base our guest calculations on the presence or absense of the
authenticated users group in the token, ensuring that we have only
one canonical source of this important piece of authorization data
Andrew Bartlett
Signed-off-by: Andrew Tridgell <tridge@samba.org>
This patch finally has the same structure being used to describe the
authorization data of a user across the whole codebase.
This will allow of our session handling to be accomplished with common code.
Andrew Bartlett
Signed-off-by: Andrew Tridgell <tridge@samba.org>
This seperation between the structure used inside the auth modules and
in the wider codebase allows for a gradual migration from struct
auth_serversupplied_info -> struct auth_session_info (from auth.idl)
The idea here is that we keep a clear seperation between the structure
before and after the local groups, local user lookup and the session
key modifications have been processed, as the lack of this seperation
has caused issues in the past.
Andrew Bartlett
Signed-off-by: Andrew Tridgell <tridge@samba.org>
There is no reason this can't be a normal constant string in the
loadparm system, now that we have lp_set_cmdline() to handle overrides
correctly.
Andrew Bartlett
We were not correctly checking the output of asn1_start_tag().
asn1_start_tag() returns -1 and sets data->has_error if the
remaining blob size is too short to contain the tag length.
We were checking data->has_error and returning NT_STATUS_OK
(to allow the second asn.1 parse to fail in that case). We
should not be checking data->has_error in this case, but
falling through to the code that already checks the length.
Thanks to Jim for reproducing this for me. We don't get bitten
by this as we announce a max buffer size of 16k, greater than
Windows's 4k, which means that most krb5 spnego packets already
fit.
Jeremy.
Autobuild-User: Jeremy Allison <jra@samba.org>
Autobuild-Date: Fri May 27 02:57:27 CEST 2011 on sn-devel-104
Before a auth_serversupplied_info struct can be used for
authorization, the local groups and privileges must be calculated.
create_local_token() now copies the server_info, and then sets the
calulated token and unix groups.
Soon, it will also transform the result into an expanded struct
auth_session_info. Until then, the variable name (server_info vs
session_info provides a clue to the developer about what information
has been entered in the structure).
By moving the calls to create_local_token within the codebase, we
remove duplication, and ensure that the session key (where modified)
is consistently copied into the new structure.
Andrew Bartlett
