/* 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 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. */ #include "includes.h" /**************************************************************************** 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); SCVAL(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; }