2 Unix SMB/CIFS implementation.
3 SMB client oplock functions
4 Copyright (C) Andrew Tridgell 2001
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program. If not, see <http://www.gnu.org/licenses/>.
22 /****************************************************************************
23 send an ack for an oplock break request
24 ****************************************************************************/
25 BOOL cli_oplock_ack(struct cli_state *cli, int fnum, unsigned char level)
27 char *oldbuf = cli->outbuf;
33 memset(buf,'\0',smb_size);
34 set_message(buf,8,0,True);
36 SCVAL(buf,smb_com,SMBlockingX);
37 SSVAL(buf,smb_tid, cli->cnum);
38 cli_setup_packet(cli);
39 SSVAL(buf,smb_vwv0,0xFF);
40 SSVAL(buf,smb_vwv1,0);
41 SSVAL(buf,smb_vwv2,fnum);
43 SSVAL(buf,smb_vwv3,0x102); /* levelII oplock break ack */
45 SSVAL(buf,smb_vwv3,2); /* exclusive oplock break ack */
46 SIVAL(buf,smb_vwv4,0); /* timoeut */
47 SSVAL(buf,smb_vwv6,0); /* unlockcount */
48 SSVAL(buf,smb_vwv7,0); /* lockcount */
50 ret = cli_send_smb(cli);
58 /****************************************************************************
59 set the oplock handler for a connection
60 ****************************************************************************/
61 void cli_oplock_handler(struct cli_state *cli,
62 BOOL (*handler)(struct cli_state *, int, unsigned char))
64 cli->oplock_handler = handler;