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The current locking scheme in winbind is a complete mess - indeed, the
next step should be to push the locking into cli_full_connection(), but
I'll leave it for now.
This patch works on the noted behaviour that 2 parts of the connection
process need protection - and independent protection. Tim Potter did
some work on this a little while back, verifying the second case.
The two cases are:
- between connect() and first session setup
- during the auth2 phase of the netlogon pipe setup.
I've removed the counter on the lock, as I fail to see what it gains us.
This patch also adds 'anonymous fallback' to our winbindd -> DC connection.
If the authenticated connection fails (wbinfo -A specifed) - say that
account isn't trusted by a trusted DC - then we try an anonymous.
Both tpot and mbp like the patch.
Andrew Bartlett
(This used to be commit 0620320002082298a15cbba72bd79aecfc607947)
the open call to be the same as that of the existing tdb. The
specified hash_size is only used if the tdb needs to be (re)created.
With this patch in place, tdbtool can open the printing tdbs, which
are created with a hash_size of 5000. Before it would fail with EIO.
(This used to be commit e412dd6d7e5a41de94c07c64b186390ccce104cc)
> when doing "enumdomusers", rpcclient prints each one preceded by the
> word "group" instead of "user"
(This used to be commit 17567dd1d510d4cf1dffa67be78510ae51571ec6)
error code.
make_server_info_guest() requires an entry in the SAM at the moment, but
this will change before release.
Andrew Bartlett
(This used to be commit 6a956390fa253e87e38b3f1909f13595fbf2767a)
get Win2k to send a valid signiture in it's session setup reply - which it will
give to win2k clients.
So, I need to look at becoming 'more like MS', but for now I'll get this code
into the tree. It's actually based on the TNG cli_pipe_ntlmssp.c, as it was
slightly easier to understand than our own (but only the utility functions
remain in any way intact...).
This includes the mysical 'NTLM2' code - I have no idea if it actually works.
(I couldn't get TNG to use it for its pipes either).
Andrew Bartlett
(This used to be commit a034a5e381ba5612be21e2ba640d11f82cd945da)
lengths are correct. Attempts to pstrcpy into an fstring or allocated
string should fail in developer builds.
This builds on abartlet's earlier overflow probe for safe_strcpy, but
by clobbering the whole string with a nonzero value is more likely to
find overflows on the stack.
This is only used in -DDEVELOPER mode.
Reviewed by abartlet, tpot.
(This used to be commit 8d915e266cd8ccc8b27e9c7ea8e9d003d05f8182)
The intention is to allow for NTLMSSP and kerberos signing of packets, but
for now it's just what I call 'simple' signing. (aka SMB signing per the SNIA
spec)
Andrew Bartlett
(This used to be commit b9cf95c3dc04a45de71fb16e85c1bfbae50e6d8f)
reason, during a Win2003 installation, when you select 'domain join' it sends
one machine name in the name exchange, and litraly 'machinename' during the
NTLMSSP login.
Also fix up winbindd's logfile handling, so that it matches smbd and nmbd.
(This helps me, by seperating the logs by pid).
Andrew Bartlett
(This used to be commit afe5a3832f79131fb74461577f1db0e5e8bf4b6d)
-------------------------------------------------------------------------
I think there are basically two problem:
1. Windows clients do not always send ACEs for SMB_ACL_USER_OBJ, SMB_ACL_GROUP_OBJ,
and SMB_ACL_OTHER.
The function ensure_canon_entry_valid() is prepared for that, but tries
to "guess" values from group or other permissions, respectively, otherwise
falling back to minimum r-- for the owner. Even if the owner had full
permissions before setting ACL. This is the problem with W2k clients.
2. Function set_nt_acl() always chowns *before* attempting to set POSIX ACLs.
This is ok in a take-ownership situation, but must fail if the file is
to be given away. This is the problem with XP clients, trying to transfer
ownership of the original file to the temp file.
The problem with NT4 clients (no ACEs are transferred to the temp file, thus
are lost after moving the temp file to the original name) is a client problem.
It simply doesn't attempt to.
I have played around with that using posic_acls.c from 3.0 merged into 2.2.
As a result I can now present two patches, one for each branch. They
basically modify:
1. Interpret missing SMB_ACL_USER_OBJ, SMB_ACL_GROUP_OBJ, or SMB_ACL_OTHER
as "preserve current value" instead of attempting to build one ourself.
The original code is still in, but only as fallback in case current values
can't be retrieved.
2. Rearrange set_nt_acl() such that chown is only done before setting
ACLs if there is either no change of owning user, or change of owning
user is towards the current user. Otherwise chown is done after setting
ACLs.
It now seems to produce reasonable results. (Well, as far as it can. If
NT4 doesn't even try to transfer ACEs, only deliberate use of named default
ACEs and/or "force group" or the crystal ball can help :)
-------------------------------------------------------------------------
Jeremy.
(This used to be commit 8ec20cbae7ca7e685b1a4186d8482c7405915dc3)
