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/*
Unix SMB/CIFS implementation.
SMB client oplock functions
Copyright (C) Andrew Tridgell 2001
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "includes.h"
#include "libcli/raw/libcliraw.h"
#include "libcli/raw/raw_proto.h"
/****************************************************************************
send an ack for an oplock break request
****************************************************************************/
_PUBLIC_ bool smbcli_oplock_ack(struct smbcli_tree *tree, uint16_t fnum, uint16_t ack_level)
{
bool ret;
struct smbcli_request *req;
req = smbcli_request_setup(tree, SMBlockingX, 8, 0);
if (req == NULL) {
return false;
}
SSVAL(req->out.vwv,VWV(0),0xFF);
SSVAL(req->out.vwv,VWV(1),0);
SSVAL(req->out.vwv,VWV(2),fnum);
SCVAL(req->out.vwv,VWV(3),LOCKING_ANDX_OPLOCK_RELEASE);
SCVAL(req->out.vwv,VWV(3)+1,ack_level);
SIVAL(req->out.vwv,VWV(4),0);
SSVAL(req->out.vwv,VWV(6),0);
SSVAL(req->out.vwv,VWV(7),0);
/*
* The low level code knows it is a
* one way request by looking at SMBlockingX,
* wct == 8 and LOCKING_ANDX_OPLOCK_RELEASE
*/
ret = smbcli_request_send(req);
return ret;
}
/****************************************************************************
set the oplock handler for a connection
****************************************************************************/
_PUBLIC_ void smbcli_oplock_handler(struct smbcli_transport *transport,
bool (*handler)(struct smbcli_transport *, uint16_t, uint16_t, uint8_t, void *),
void *private_data)
{
transport->oplock.handler = handler;
transport->oplock.private_data = private_data;
}
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