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/*
Unix SMB/Netbios implementation.
Version 3.0
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 2 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, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#define NO_SYSLOG
#include "includes.h"
extern int DEBUGLEVEL;
/****************************************************************************
send an ack for an oplock break request
****************************************************************************/
BOOL cli_oplock_ack(struct cli_state *cli, int fnum, unsigned char level)
{
char *oldbuf = cli->outbuf;
pstring buf;
BOOL ret;
cli->outbuf = buf;
memset(buf,'\0',smb_size);
set_message(buf,8,0,True);
CVAL(buf,smb_com) = SMBlockingX;
SSVAL(buf,smb_tid, cli->cnum);
cli_setup_packet(cli);
SSVAL(buf,smb_vwv0,0xFF);
SSVAL(buf,smb_vwv1,0);
SSVAL(buf,smb_vwv2,fnum);
if (level == 1)
SSVAL(buf,smb_vwv3,0x102); /* levelII oplock break ack */
else
SSVAL(buf,smb_vwv3,2); /* exclusive oplock break ack */
SIVAL(buf,smb_vwv4,0); /* timoeut */
SSVAL(buf,smb_vwv6,0); /* unlockcount */
SSVAL(buf,smb_vwv7,0); /* lockcount */
ret = cli_send_smb(cli);
cli->outbuf = oldbuf;
return ret;
}
/****************************************************************************
set the oplock handler for a connection
****************************************************************************/
void cli_oplock_handler(struct cli_state *cli,
BOOL (*handler)(struct cli_state *, int, unsigned char))
{
cli->oplock_handler = handler;
}
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