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connection termination cleanup, and to ensure that the event
contexts are properly removed for every process model
- gave auth_context the new talloc treatment, which removes another
source of memory leaks.
count features of talloc, instead of re-implementing both those
features inside of samdb (which is what we did before).
This makes samdb considerably simpler, and also fixes some bugs, as I
found some error paths that didn't call samdb_close(). Those are now
handled by the fact that a talloc_free() will auto-close and destroy
the samdb context, using a destructor.
This version does the following:
1) talloc_free(), talloc_realloc() and talloc_steal() lose their
(redundent) first arguments
2) you can use _any_ talloc pointer as a talloc context to allocate
more memory. This allows you to create complex data structures
where the top level structure is the logical parent of the next
level down, and those are the parents of the level below
that. Then destroy either the lot with a single talloc_free() or
destroy any sub-part with a talloc_free() of that part
3) you can name any pointer. Use talloc_named() which is just like
talloc() but takes the printf style name argument as well as the
parent context and the size.
The whole thing ends up being a very simple piece of code, although
some of the pointer walking gets hairy.
So far, I'm just using the new talloc() like the old one. The next
step is to actually take advantage of the new interface
properly. Expect some new commits soon that simplify some common
coding styles in samba4 by using the new talloc().
Rework our random number generation system.
On systems with /dev/urandom, this avoids a change to secrets.tdb for every fork().
For other systems, we now only re-seed after a fork, and on startup.
No need to do it per-operation. This removes the 'need_reseed'
parameter from generate_random_buffer().
This also requires that we start the secrets subsystem, as that is
where the reseed value is stored, for systems without /dev/urandom.
In order to aviod identical streams in forked children, the random
state is re-initialised after the fork(), at the same point were we do
that to the tdbs.
Andrew Bartlett
the idea is to have services as modules (smb, dcerpc, swat, ...)
the process_model don't know about the service it self anymore.
TODO:
- the smbsrv should use the smbsrv_send function
- the service subsystem init should be done like for other modules
- we need to have a generic socket subsystem, which handle stream, datagram,
and virtuell other sockets( e.g. for the ntvfs_ipc module to connect to the dcerpc server
, or for smb or dcerpc or whatever to connect to a server wide auth service)
- and other fixes...
NOTE: process model pthread seems to be broken( but also before this patch!)
metze
This implements gensec for Samba's server side, and brings gensec up
to the standards of a full subsystem.
This means that use of the subsystem is by gensec_* functions, not
function pointers in structures (this is internal). This causes
changes in all the existing gensec users.
Our RPC server no longer contains it's own generalised security
scheme, and now calls gensec directly.
Gensec has also taken over the role of auth/auth_ntlmssp.c
An important part of gensec, is the output of the 'session_info'
struct. This is now reference counted, so that we can correctly free
it when a pipe is closed, no matter if it was inherited, or created by
per-pipe authentication.
The schannel code is reworked, to be in the same file for client and
server.
ntlm_auth is reworked to use gensec.
The major problem with this code is the way it relies on subsystem
auto-initialisation. The primary reason for this commit now.is to
allow these problems to be looked at, and fixed.
There are problems with the new code:
- I've tested it with smbtorture, but currently don't have VMware and
valgrind working (this I'll fix soon).
- The SPNEGO code is client-only at this point.
- We still do not do kerberos.
Andrew Bartlett
- added workstation to auth_session_info in rpc servers
- added session key fetch hook in crypto backends in dcesrv
- store and fetch seed as well as a session key in schannel ldb
- when a client uses schannel to setup a netlogon pipe connection we
also need to setup the credentials from the schannel negotiation so
credentials chaining works
- added server side netr_LogonGetDomainInfo() call
the dce_conn->auth_state.session_info
( the ntlmssp one works fine, but the schannel one isn't implemented yet)
this is also set by the ntvfs_ipc backend on the endpoint connect.
metze
This starts to store information about the user in the server_info
struct - like the account name, the full name etc.
Also, continue to make the names of the structure elements in the
logon reply more consistant with those in the SAMR pipe.
Andrew Bartlett
pwd -> password
passwd -> password
username -> account_name
Also work on consistant structure feild names between these two pipes,
and fix up some callers to use samr_Password for the netlogon
credential code.
Andrew Bartlett
goodness and light' struct ;-)
Break apart the auth subsystem's return strucutres, into the parts
that a netlogon call cares about, and the parts that are for a local
session. This is the 'struct session_info' and it will almost
completly replace the current information stored on a vuid, but be
generic to all login methods (RPC over TCP, for example).
Andrew Bartlett
names rather than our crazy naming scheme. So DES is now called
des_crypt() rather than smbhash()
- added the code from the solution of the ADS crypto challenge that
allows Samba to correctly handle a 128 bit session key in all of the
netr_ServerAuthenticateX() varients. A huge thanks to Luke Howard
from PADL for solving this one!
- restructured the server side rpc authentication to allow for other
than NTLMSSP sign and seal. This commit just adds the structure, the
next commit will add schannel server side support.
- added 128 bit session key support to our client side code, and
testing against w2k3 with smbtorture. Works well.
