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Unix SMB/CIFS implementation.
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SMB client oplock functions
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Copyright (C) Andrew Tridgell 2001
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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/****************************************************************************
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send an ack for an oplock break request
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****************************************************************************/
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bool cli_oplock_ack(struct cli_state *cli, int fnum, unsigned char level)
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char *oldbuf = cli->outbuf;
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char buf[smb_size+16];
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memset(buf,'\0',smb_size);
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cli_set_message(buf,8,0,True);
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SCVAL(buf,smb_com,SMBlockingX);
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SSVAL(buf,smb_tid, cli->cnum);
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cli_setup_packet(cli);
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SSVAL(buf,smb_vwv0,0xFF);
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SSVAL(buf,smb_vwv1,0);
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SSVAL(buf,smb_vwv2,fnum);
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SSVAL(buf,smb_vwv3,0x102); /* levelII oplock break ack */
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SSVAL(buf,smb_vwv3,2); /* exclusive oplock break ack */
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SIVAL(buf,smb_vwv4,0); /* timoeut */
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SSVAL(buf,smb_vwv6,0); /* unlockcount */
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SSVAL(buf,smb_vwv7,0); /* lockcount */
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ret = cli_send_smb(cli);
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/****************************************************************************
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set the oplock handler for a connection
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****************************************************************************/
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void cli_oplock_handler(struct cli_state *cli,
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bool (*handler)(struct cli_state *, int, unsigned char))
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cli->oplock_handler = handler;