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Which was:
tsocket/bsd: fix bug #7115 FreeBSD includes the UDP header in FIONREAD
Metze, this has to have been wrong - you are throwing away the talloc_realloc
pointer returned. Also no error checking. Please review.
Thank goodness for gcc warnings :-).
Jeremy.
This is needed because, we can't use sizeof(sockaddr_storage) for AF_UNIX
sockets. Also some platforms require exact values for AF_INET and AF_INET6.
metze
This allows us to run a child command in an async fashion, with
control over logging of stdout and stderr (which appears in the Samba
log file). This is useful for ensuring we don't miss important
messages from rndc commands (for example).
Pair-Programmed-With: Andrew Bartlett <abartlet@samba.org>
This changes the meaning of the ->prev pointer in our doubly linked
lists to point at the end of the list from the front of the list. That
allows us to implement DLIST_ADD_END() and related functions in O(1)
time, which can be a huge saving in many places in Samba.
This also means that the 'type' argument to various DLIST_*() macros
is no longer needed, but I have left it in for now to keep the
patchset small, which will make it easier to revert if any problems
are found. In the future we should remove the 'type' arguments.
(jra. Move the one use of DLIST_TAIL over to the new macros).
If a process (or the machine) dies after just after writing the
recovery head (pointing at the end of file), the recovery record will filled
with 0x42. This will not invoke a recovery on open, since rec.magic
!= TDB_RECOVERY_MAGIC.
Unfortunately, the first transaction commit will happily reuse that
area: tdb_recovery_allocate() doesn't check the magic. The recovery
record has length 0x42424242, and it writes that back into the
now-valid-looking transaction header) for the next comer (which
happens to be tdb_wipe_all in my tests).
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This should make it easier to keep all release scripts alined as it will reduce
the difference between them to ideally a few variables
Also moves the tdb script in the scripts directory.
On my older CentOS 4 installation I had the problem with the missing
substitution prototypes ("uwrap_*"). So I added them to "uid_wrapper.h".
Also, I made the head of the "uid_wrapper.c" file more like the one of
"nss_wrapper.c" - it shouldn't change that much, I did it only to be consistent.
This patch should fix the build on older distributions while keep it running on
newer ones.
The includes of the UID wrapper headers werent't really efficient according
to metze's post on the technical mailing list (http://lists.samba.org/archive/samba-technical/2010-February/069165.html).
To achieve this move the "uid_wrapper.h" includes into "lib/util/unix_privs.c",
"lib/util/util.c", "ntvfs/posix/pvfs_acl.c" and "ntvfs/unixuid/vfs_unixuid.c".
There was a bug in tdb where the
tdb_brlock(tdb, GLOBAL_LOCK, F_UNLCK, F_SETLKW, 0, 1);
(ending the transaction-"mutex") was done before the
/* remove the recovery marker */
This means that when a transaction is committed there is a window where another
opener of the file sees the transaction marker while the transaction committer
is still fully functional and working on it. This led to transaction being
rolled back by that second opener of the file while transaction_commit() gave
no error to the caller.
This patch moves the F_UNLCK to after the recovery marker was removed, closing
this window.
This was moved from the schema_query code. It will now be used in more
than one place, so best to make it a library macro. I think there are
quite a few places that could benefit from this.
If ALWASY_REALLOC is defined and we are to 'shrink' memory block,
memcpy() will write outside memory just allocated.
Signed-off-by: Andrew Tridgell <tridge@samba.org>
We need to keep TDB_ALLOW_NESTING as default behavior,
so that existing code continues to work.
However we may change the default together with a major version
number change in future.
metze
Make the default be that transaction is not allowed and any attempt to create a nested transaction will fail with TDB_ERR_NESTING.
If an application can cope with transaction nesting and the implicit
semantics of tdb_transaction_commit(), it can enable transaction nesting
by using the TDB_ALLOW_NESTING flag.
(cherry picked from ctdb commit 3e49e41c21eb8c53084aa8cc7fd3557bdd8eb7b6)
Signed-off-by: Stefan Metzmacher <metze@samba.org>
