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If someone messes with brlock.tdb and inserts an invalid record length,
this will lead to memcpy overwriting a few bytes behind malloc'ed data.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Thu Sep 12 03:26:45 CEST 2013 on sn-devel-104
There's no point checking the validity of the "entry" argument more
than once
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>
The comment for this routine said:
> Modifies d->num_share_modes, watch out in routines iterating over
> that array.
Well, it turns out that *every* caller of this API got it wrong. So I
think it's better to change the routine.
This leaves the array untouched while iterating but filters out the
deleted ones while saving them back to disk.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>
For a given file, clean share mode entries for a given persistent file id.
Pair-Programmed-With: Michael Adam <obnox@samba.org>
Pair-Programmed-With: Stefan Metzmacher <metze@samba.org>
Signed-off-by: Gregor Beck <gbeck@sernet.de>
Signed-off-by: Michael Adam <obnox@samba.org>
Signed-off-by: Stefan Metzmacher <metze@samba.org>
For a given file, clean up brl entries belonging to a given persistent file id.
Signed-off-by: Gregor Beck <gbeck@sernet.de>
Reviewed-by: Michael Adam <obnox@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
We should not remove locks of disconnected opens just like that.
When getting the byte range lock record for a newly connected file
handle, we still do the clean up, because in that situation,
disconnected entries are not valid any more.
Signed-off-by: Gregor Beck <gbeck@sernet.de>
Reviewed-by: Michael Adam <obnox@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
...instead of checking each server-id separately which can
be expensive in a cluster.
Signed-off-by: Gregor Beck <gbeck@sernet.de>
Reviewed-by: Michael Adam <obnox@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
fsp->fnum and lock->fnum are uint64_t already and we should not truncate the value here.
Currently this doesn't matter as we only use 16-bit.
But as 'int' is int32_t and we later compare fnum with lock->fnum == fnum,
the cast from int32_t to uint64_t goes via int64_t instead of uint32_t.
This means even if fsp->fnum just uses 32-bit of the uint64_t
we'll get the wrong result, as the implicit cast from a negative int32_t
value to uint64_t adds 0xFFFFFFFF00000000.
metze
The fd count is implicit
Signed-off-by: Jeremy Allison <jra@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Thu Jun 14 01:53:17 CEST 2012 on sn-devel-104
Note: this changes the format of brlock.tdb!
Pair-Programmed-With: Stefan Metzmacher <metze@samba.org>
Autobuild-User: Michael Adam <obnox@samba.org>
Autobuild-Date: Wed Jun 6 23:22:00 CEST 2012 on sn-devel-104
Introduce find_delete_on_close_token. Thus is_delete_on_close_set
does not have to call get_delete_on_close_token anymore.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Autobuild-User: Stefan Metzmacher <metze@samba.org>
Autobuild-Date: Fri Jun 1 18:58:30 CEST 2012 on sn-devel-104
