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This prepares the structures for multi-channel support.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>
This prepares the structures for multi-channel support.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>
This prepares the structures for multi-channel support.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>
This prepares the structures for multi-channel support.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>
This prepares the structures for multi-channel support.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>
This prepares the structures for multi-channel support.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>
This prepares the structures for multi-channel support.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>
This prepares the structures for multi-channel support.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>
There's no need to do syscalls, if we already have the information
in userspace.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>
This is similar to fsp_fnum_dbg() and fsp_str_dbg().
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>
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): Wed Aug 6 03:27:36 CEST 2014 on sn-devel-104
This makes us fallback to strcasecmp early if any INVALID_CODEPOINT
appears. Without this patch we just continue to compare if both strings
happen to have an INVALID_CODEPOINT in the same spot.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
When either string has a bad conversion, we fall back to
doing raw ascii byte comparisons using strcasecmp(). This
is wrong - we should fall back to strncasecmp.
The problem is we've already stepped past the character
that failed the conversion, so we're not re-testing those
characters for comparison. This can have the effect of
causing strncasecmp_m_handle() to report that two strings
are identical when they are not, if the failed conversion
takes place at the end of the string.
The correct behavior is to step back to the point of
the string(s) that failed the conversion, and continue
the test from there.
This is a litle trickier than the previous fix, as
it requires converting the incoming n variable from
remaining characters to compare to remaining bytes to
compare.
As bytes are always the smallest character size
(1 byte) then it's safe to convert the remaining
characters to check by decrementing the source string
by the last character length (in bytes) and incrementing
the remaining bytes to scan by the same value, then
calling strncasecmp() with the stepped back strings
remaining.
Signed-off-by: Jeremy Allison <jra@samba.org>
When either string has a bad conversion, we fall back to
doing raw ascii byte comparisons using strcasecmp().
The problem is we've already stepped past the character
that failed the conversion, so we're not re-testing those
characters for comparison. This can have the effect of
causing strcasecmp_m_handle() to report that two strings
are identical when they are not, if the failed conversion
takes place at the end of the string.
The correct behavior is to step back to the point of
the string(s) that failed the conversion, and continue
the test from there.
Found by <lev@zadarastorage.com> when investigating bug
10716 - smbd constantly crashes when filename contains non-ascii character.
Given the normal character set of utf-8, and an on
disk filename of ISO-8859-1 of file-é on disk hex
value: 66 69 6c 65 2d e9, an incoming open given the
correct utf8 name of file-é will collide when it
should not.
Fixes:
Bug 10716 - smbd constantly crashes when filename contains non-ascii character
https://bugzilla.samba.org/show_bug.cgi?id=10716
Signed-off-by: Jeremy Allison <jra@samba.org>
This avoids traversing a single pending queue which is quite expensive
when there are lots of pending lock requests. This seems to happen
quite a lot on a loaded cluster for notify_index.tdb.
Adding per database queues avoids the need to traverse pending queue
for that database if there are already the maximum number of active
lock requests.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Volker Lendecke <vl@samba.org>
Autobuild-User(master): Volker Lendecke <vl@samba.org>
Autobuild-Date(master): Mon Aug 4 20:23:45 CEST 2014 on sn-devel-104
This allows to schedule DB locks quickly without having to scan through
the pending lock requests.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Volker Lendecke <vl@samba.org>
The number of pending locks displayed in ctdb statistics are stored in
ctdb_statistics structure and not ctdb_context.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Volker Lendecke <vl@samba.org>
This allows to change the maximum number of lock processes that can
be active.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Volker Lendecke <vl@samba.org>
This avoids extra work in case lock request allocation fails.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Volker Lendecke <vl@samba.org>
This prevents searching through active lock requests for every pending
lock request to check if the pending lock request can be scheduled or not.
The locks are scheduled in strict first-in-first-out order.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Volker Lendecke <vl@samba.org>
Store only a single request instead of storing a queue in lock context.
Lock request structure does not need to be a linked list any more.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Volker Lendecke <vl@samba.org>
This was a bad idea and caused out of order scheduling of lock requests.
The logic to append lock requests to existing lock context is already
commented. Remove the commented code and there is no need to check if
lock_ctx is NULL, since we are always creating a new one.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Volker Lendecke <vl@samba.org>
block_child was used to keep track of a process which was created to debug
why a lock process has blocked. That logic was replaced to execute an
external debug script.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Volker Lendecke <vl@samba.org>
With this change you mostly have to wait only for one second till the
tests get executed instead of ten seconds.
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>
Autobuild-User(master): Michael Adam <obnox@samba.org>
Autobuild-Date(master): Mon Aug 4 17:58:58 CEST 2014 on sn-devel-104
nmblookup3 is just a binary mapping. We shouldn't use the mapping
anymore.
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>
In the future this might become a library, but even with the SUBSYSTEM
it should be clear what debug.c depends upon.
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): Sat Aug 2 00:36:50 CEST 2014 on sn-devel-104
This factors out the essential code from close_low_fds for one file
descriptor: Redirect a fd to /dev/null
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Bug: https://bugzilla.samba.org/show_bug.cgi?id=10735
CVE-2014-3560: unstrcpy macro length is invalid
Autobuild-User(master): Ira Cooper <ira@samba.org>
Autobuild-Date(master): Fri Aug 1 22:10:23 CEST 2014 on sn-devel-104
When a client supports extended security but server does not,
and that client, in Flags2 field of smb header indicates that
- it supports extended security negotiation
- it does not support security signatures
- it does not require security signatures
Samba server treats a client as a Vista client.
That turns off case sensitivity and that is a problem for cifs vfs client.
So include remote cifs client along with remote samba client
to not do so otherwise.
Bug: https://bugzilla.samba.org/show_bug.cgi?id=10755
Signed-off-by: Shirish Pargaonkar <spargaonkar@suse.com>
Reviewed-by: Jeremy Allison <jra@samba.org>
Reviewed-by: David Disseldorp <ddiss@samba.org>
Autobuild-User(master): David Disseldorp <ddiss@samba.org>
Autobuild-Date(master): Fri Aug 1 16:11:43 CEST 2014 on sn-devel-104
As found during investigation of the previous commit, when the RPC
call fails totally, we must only try and send one error reply.
Andrew Bartlett
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Signed-off-by: Garming Sam <garming@catalyst.net.nz>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Pair-programmed-with: Garming Sam <garming@catalyst.net.nz>
Autobuild-User(master): Andrew Bartlett <abartlet@samba.org>
Autobuild-Date(master): Fri Aug 1 12:11:29 CEST 2014 on sn-devel-104
This is in dcerpc_netr_DsrUpdateReadOnlyServerDnsRecords, which has
status variables filled in by the server and placed in this in/out
array.
This showed up as a segfault in winbindd during RODC DNS update.
Andrew Bartlett
Signed-off-by: Garming Sam <garming@catalyst.net.nz>
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Pair-programmed-with: Garming Sam <garming@catalyst.net.nz>
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>
Autobuild-User(master): Michael Adam <obnox@samba.org>
Autobuild-Date(master): Thu Jul 31 21:12:07 CEST 2014 on sn-devel-104
Dropping all supplementary groups is a common practice when changing
UIDs. This patch adds support for dropping all supplementary groups when
setgroups is called with size=0.
Signed-off-by: Jakub Hrozek <jakub.hrozek@gmail.com>
Reviewed-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>
