2 Unix SMB/Netbios implementation.
4 SMB client oplock functions
5 Copyright (C) Andrew Tridgell 2001
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
25 extern int DEBUGLEVEL;
28 /****************************************************************************
29 send an ack for an oplock break request
30 ****************************************************************************/
31 BOOL cli_oplock_ack(struct cli_state *cli, int fnum, unsigned char level)
33 char *oldbuf = cli->outbuf;
39 memset(buf,'\0',smb_size);
40 set_message(buf,8,0,True);
42 CVAL(buf,smb_com) = SMBlockingX;
43 SSVAL(buf,smb_tid, cli->cnum);
44 cli_setup_packet(cli);
45 SSVAL(buf,smb_vwv0,0xFF);
46 SSVAL(buf,smb_vwv1,0);
47 SSVAL(buf,smb_vwv2,fnum);
49 SSVAL(buf,smb_vwv3,0x102); /* levelII oplock break ack */
51 SSVAL(buf,smb_vwv3,2); /* exclusive oplock break ack */
52 SIVAL(buf,smb_vwv4,0); /* timoeut */
53 SSVAL(buf,smb_vwv6,0); /* unlockcount */
54 SSVAL(buf,smb_vwv7,0); /* lockcount */
56 ret = cli_send_smb(cli);
64 /****************************************************************************
65 set the oplock handler for a connection
66 ****************************************************************************/
67 void cli_oplock_handler(struct cli_state *cli,
68 BOOL (*handler)(struct cli_state *, int, unsigned char))
70 cli->oplock_handler = handler;