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It doesn't really matter if the entries
have invalid context in it. Older versions of samba
refuse to open the file if the version doesn't match.
If we can't parse individual records, we'll fail schannel binds,
but the clients are supposed to reestablish the netlogon secure channel
by doing ServerReqChallenge/ServerAuthenticate* again. This
will just overwrite the old record.
metze
Ok, that's a very long-standing one. I finally got around to install a recent
OpenLDAP and test the different variants of setting a NULL password etc.
Thanks all for your patience!
Volker
The search function retries once, the modifying call that hits a dead smbd
returns an error. The next try will reconnect. This was simple to implement and
provides a good compromise against Samba4 idling our connection. Most of the
modifying calls are quickly after a search (like OpenUser) anyway.
We will have arrays of controls passed to tldap.c. Follow a mantra from the
classic book "Thinking Forth" by Leo Brodie: Favor counts over terminators :-)
This makes the parameter lists to tldap pretty long, but everyone will have
wrapper routines anyway, see for example tldap_search_fmt. And the OpenLDAP
manpages call the non-_ext routines deprecated, probably for a reason.
The samba4 password_hash module does not allow changing the password fields via
the "delete oldval" -> "add newval" set of modify operations, it requires a
single "replace with newval" operation.
Andrew, Samba3 by default uses that delete/add pair to detect if between
fetching the old value and storing the new one the old value has changed. This
is lost by using the "replace" operation.
Would it make sense to add this to the password_hash module?
Volker
when _samr_LookupRids is called with no rids, it needs to return
NT_STATUS_NONE_MAPPED (not NT_STATUS_NO_MEMORY).
Found by RPC-SAMR torture test.
Guenther
The purpose of this module is to connect to a locally running samba4 ldap
server for an alternative "Franky" setup. Right now it contains a couple of
gross hacks: For example it just takes the s4-chosed RID directly as uid/gid...
Checking in tldap and pdb_ads now, I think 3777 insertions are enough for a
start...
This patch changes the way smbpasswd behaves when adding/deleting users.
smbpasswd now calls pdb_create_user/pdb_delete_user, this means that if
add/delete user scripts are configured then they are used to create or
delete unix users as well. If the scripts are not defined the behavioris
unchanged.
This also allow to use smbpasswd -a/-x with ldapsam:editposix to allow
automatic creation/deletion of users.
Signed-off-by: Günther Deschner <gd@samba.org>
This patch introduces
struct stat_ex {
dev_t st_ex_dev;
ino_t st_ex_ino;
mode_t st_ex_mode;
nlink_t st_ex_nlink;
uid_t st_ex_uid;
gid_t st_ex_gid;
dev_t st_ex_rdev;
off_t st_ex_size;
struct timespec st_ex_atime;
struct timespec st_ex_mtime;
struct timespec st_ex_ctime;
struct timespec st_ex_btime; /* birthtime */
blksize_t st_ex_blksize;
blkcnt_t st_ex_blocks;
};
typedef struct stat_ex SMB_STRUCT_STAT;
It is really large because due to the friendly libc headers playing macro
tricks with fields like st_ino, so I renamed them to st_ex_xxx.
Why this change? To support birthtime, we already have quite a few #ifdef's at
places where it does not really belong. With a stat struct that we control, we
can consolidate the nanosecond timestamps and the birthtime deep in the VFS
stat calls.
At this moment it is triggered by a request to support the birthtime field for
GPFS. GPFS does not extend the system level struct stat, but instead has a
separate call that gets us the additional information beyond posix. Without
being able to do that within the VFS stat calls, that support would have to be
scattered around the main smbd code.
It will very likely break all the onefs modules, but I think the changes will
be reasonably easy to do.
This patch picks the alphabetically smallest one of the multi-value attribute
"uid". This fixes a regression against 3.0 and also becomes deterministic.
This commit is mostly to cope with the removal of SamOemHash (replaced
by arcfour_crypt()) and other collisions (such as changed function
arguments compared to Samba3).
We still provide creds_hash3 until Samba3 uses the credentials code in
netlogon server
Andrew Bartlett
This removes calls to push_*_allocate() and pull_*_allocate(), as well
as convert_string_allocate, as they are not in the common API
To allow transition to a common charcnv in future, provide Samba4-like
strupper functions in source3/lib/charcnv.c
(the actual implementation remains distinct, but the API is now shared)
Andrew Bartlett
This patch makes sure the original and temporary TDBs are closed
_before_ the rename. Originally, the open TDB was renamed, and so
the name passdb.tdb.tmp stayed around in the db context. Hence
upon client connect, the smbd children died because reinit_after_fork()
calling tdb_reopen_all() would try to reopen passdb.tdb.tmp which
existed no longer...
Michael
Clustered setups should have only ever used
the unsigned version of TDB_DATA in the
first place so they can't be in this mess :-).
Just do the normal upgrade in the clustered case.
Jeremy.
A client sent a SID with authority 0 and 0 sub-authorities. W2k3 replies with
NT_STATUS_INVALID_SID, even if other SIDs in the list are valid.
Thanks to Pavel <wylda@volny.cz> for the bug report!
This is a really nasty one to fix as in order to successfully update the
passdb.tdb we must do the equivalent of a tdbbackup to move to the new hash
values before we do the upgrade.
Jeremy.
we end up returning the null sid instead of falling back to the legacy
code. Next time through the code we'll hit the negative cache and do
the right thing, but we still fail the first time.
If we fail the winbind id to sid mapping, call the legacy version. This
catches the case where we don't have a negative cache entry for the mapping.
This is better than returning the NULL sid to the caller.
This is the same bug that was fixed in other places of the code a few times
already:
A C compiler ONLY does automatic type conversions during an assignment.
Passing down a pointer to type A to a function taking type B as an
argument does NOT do any automatic type conversions.
If required, I can dig up the relevant portions of the C standard.
Implements a custom backend for onefs that exclusively uses the wbclient
interface for all passdb calls.
It lacks some features of a standard passdb.
In particular it's a read only interface and doesn't implement privileges.
After a lot of testing against various Windows servers (W2K, W2K3, W2K8),
within an AD domain it seems that unknown domains will only be translated
to the local account domain, not the netbios name of the member server's
domain. This makes samba act more like Windows.
This is an orthogonality measure to make clear this pointer now belongs to the
cache.
(cherry picked from commit e6080c6e87d6fe3995b121a772bf3f6343fa666f)
Remove the code in memcache that does a TALLOC_FREE on stored pointers. That's a disaster waiting
to happen. If you're storing talloc'ed pointers, you can't know their lifecycle and they should
be deleted when their parent context is deleted, so freeing them at some arbitrary point later
will be a double-free.
Jeremy.
