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/*
Unix SMB/CIFS implementation.
SMB2 client oplock break handling
Copyright (C) Stefan Metzmacher 2008
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 3 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, see <http://www.gnu.org/licenses/>.
*/
#include "includes.h"
#include "libcli/smb2/smb2.h"
#include "libcli/smb2/smb2_calls.h"
/*
send a break request
*/
struct smb2_request *smb2_break_send(struct smb2_tree *tree, struct smb2_break *io)
{
struct smb2_request *req;
req = smb2_request_init_tree(tree, SMB2_OP_BREAK, 0x18, false, 0);
if (req == NULL) return NULL;
SCVAL(req->out.body, 0x02, io->in.oplock_level);
SCVAL(req->out.body, 0x03, io->in.reserved);
SIVAL(req->out.body, 0x04, io->in.reserved2);
smb2_push_handle(req->out.body+0x08, &io->in.file.handle);
smb2_transport_send(req);
return req;
}
/*
recv a break reply
*/
NTSTATUS smb2_break_recv(struct smb2_request *req, struct smb2_break *io)
{
if (!smb2_request_receive(req) ||
!smb2_request_is_ok(req)) {
return smb2_request_destroy(req);
}
SMB2_CHECK_PACKET_RECV(req, 0x18, false);
io->out.oplock_level = CVAL(req->in.body, 0x02);
io->out.reserved = CVAL(req->in.body, 0x03);
io->out.reserved2 = IVAL(req->in.body, 0x04);
smb2_pull_handle(req->in.body+0x08, &io->out.file.handle);
return smb2_request_destroy(req);
}
/*
sync flush request
*/
NTSTATUS smb2_break(struct smb2_tree *tree, struct smb2_break *io)
{
struct smb2_request *req = smb2_break_send(tree, io);
return smb2_break_recv(req, io);
}
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