| 1 | /*
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| 2 | Unix SMB/CIFS implementation.
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| 3 | SMB client oplock functions
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| 4 | Copyright (C) Andrew Tridgell 2001
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| 5 |
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| 6 | This program is free software; you can redistribute it and/or modify
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| 7 | it under the terms of the GNU General Public License as published by
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| 8 | the Free Software Foundation; either version 3 of the License, or
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| 9 | (at your option) any later version.
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| 10 |
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| 11 | This program is distributed in the hope that it will be useful,
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| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 14 | GNU General Public License for more details.
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| 15 |
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| 16 | You should have received a copy of the GNU General Public License
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| 17 | along with this program. If not, see <http://www.gnu.org/licenses/>.
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| 18 | */
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| 19 |
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| 20 | #include "includes.h"
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| 21 | #include "libcli/raw/libcliraw.h"
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| 22 | #include "libcli/raw/raw_proto.h"
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| 23 |
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| 24 | /****************************************************************************
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| 25 | send an ack for an oplock break request
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| 26 | ****************************************************************************/
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| 27 | _PUBLIC_ bool smbcli_oplock_ack(struct smbcli_tree *tree, uint16_t fnum, uint16_t ack_level)
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| 28 | {
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| 29 | bool ret;
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| 30 | struct smbcli_request *req;
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| 31 |
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| 32 | req = smbcli_request_setup(tree, SMBlockingX, 8, 0);
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| 33 |
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| 34 | SSVAL(req->out.vwv,VWV(0),0xFF);
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| 35 | SSVAL(req->out.vwv,VWV(1),0);
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| 36 | SSVAL(req->out.vwv,VWV(2),fnum);
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| 37 | SCVAL(req->out.vwv,VWV(3),LOCKING_ANDX_OPLOCK_RELEASE);
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| 38 | SCVAL(req->out.vwv,VWV(3)+1,ack_level);
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| 39 | SIVAL(req->out.vwv,VWV(4),0);
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| 40 | SSVAL(req->out.vwv,VWV(6),0);
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| 41 | SSVAL(req->out.vwv,VWV(7),0);
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| 42 |
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| 43 | /* this request does not expect a reply, so tell the signing
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| 44 | subsystem not to allocate an id for a reply */
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| 45 | req->one_way_request = 1;
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| 46 |
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| 47 | ret = smbcli_request_send(req);
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| 48 |
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| 49 | return ret;
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| 50 | }
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| 51 |
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| 52 |
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| 53 | /****************************************************************************
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| 54 | set the oplock handler for a connection
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| 55 | ****************************************************************************/
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| 56 | _PUBLIC_ void smbcli_oplock_handler(struct smbcli_transport *transport,
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| 57 | bool (*handler)(struct smbcli_transport *, uint16_t, uint16_t, uint8_t, void *),
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| 58 | void *private_data)
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| 59 | {
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| 60 | transport->oplock.handler = handler;
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| 61 | transport->oplock.private_data = private_data;
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| 62 | }
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