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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
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>
GENSEC has the concept of starting the GENSEC subsystem before starting the
actual mechansim. Between these two stages is when most context methods
are called, to specify credentials and features.
Andrew Bartlett
Signed-off-by: Andrew Tridgell <tridge@samba.org>
This allows the current behaviour of the NTLMSSP code to be unchanged
while adding a way to hook in an alternate implementation via an auth
module.
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>
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
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
These variables, of type struct auth_serversupplied_info were poorly
named when added into 2001, and in good consistant practice, this has
extended all over the codebase in the years since.
The structure is also not ideal for it's current purpose. Originally
intended to convey the results of the authentication modules, it
really describes all the essential attributes of a session. This
rename will reduce the volume of a future patch to replaced these with
a struct auth_session_info, with auth_serversupplied_info confined to
the lower levels of the auth subsystem, and then eliminated.
(The new structure will be the output of create_local_token(), and the
change in struct definition will ensure that this is always run, populating
local groups and privileges).
Andrew Bartlett
Signed-off-by: Stefan Metzmacher <metze@samba.org>
The previous API was not clear as to who owned the returned session key.
This fixes a valgrind-found use-after-free in the NTLMSSP key derivation code,
and avoids making allocations - we steal and zero instead.
Andrew Bartlett
Signed-off-by: Andrew Tridgell <tridge@samba.org>
This common structure will make it much easier to produce an auth
module for s3compat that calls Samba4's auth subsystem.
In order the make the link work properly (and not map twice), we mark
both that we did try and map the user, as well as if we changed the
user during the mapping.
Andrew Bartlett
Signed-off-by: Andrew Tridgell <tridge@samba.org>
Rename it to auth_ntlmssp_steal_server_info() to make it clear that
the server_info struct is stolen from the auth_ntlmssp_state structure.
Use talloc_move instead of manual steal&clear
Add comments to explain what is going on.
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Turn auth_ntlmssp_end into a destructor and attach it to auth_ntlmssp_state.
Remote auth_ntlmssp_end and use TALLOC_FREE in the callers.
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
There is no need for a separate mem_ctx member.
Also make the ntlmssp_state a children of auth_ntlmssp_state
Also cleanup auth_ntlmssp_end to free only what is not automatically freed
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Turn the freeing function into a destructor and attach it to the
auth_context.
Make all callers TALLOC_FREE() the auth_context instead of calling
the free function.
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
This fixes a bug where register_existing_vuid() could be called with a
NULL server_info if the alloction failed.
Andrew Bartlett
Signed-off-by: Andrew Tridgell <tridge@samba.org>
This allows the right hooks to be called in GENSEC when s3compat
implements the auth_ntlmssp interface. Otherwise, we can't do the
signing or sealing as we have not negoitated it's use.
Andrew Bartlett
This ensures the results can't be easily left to leak.
Andrew Bartlett
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Signed-off-by: Günther Deschner <gd@samba.org>
The code is not yet in common, but I hope to fix that soon.
Andrew Bartlett
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Signed-off-by: Günther Deschner <gd@samba.org>
typedefs are no longer preferred Samba style.
Andrew Bartlett
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Signed-off-by: Günther Deschner <gd@samba.org>
This makes it a little easier for it to writen in terms of GENSEC in future.
Andrew Bartlett
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Signed-off-by: Günther Deschner <gd@samba.org>
