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/*
Unix SMB/CIFS implementation.
SMB2 client lock handling
Copyright (C) Stefan Metzmacher 2006
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 lock request
*/
struct smb2_request *smb2_lock_send(struct smb2_tree *tree, struct smb2_lock *io)
{
struct smb2_request *req;
req = smb2_request_init_tree(tree, SMB2_OP_LOCK, 0x30, false, 0);
if (req == NULL) return NULL;
SSVAL(req->out.body, 0x02, io->in.unknown1);
SIVAL(req->out.body, 0x04, io->in.unknown2);
smb2_push_handle(req->out.body+0x08, &io->in.file.handle);
SBVAL(req->out.body, 0x18, io->in.offset);
SBVAL(req->out.body, 0x20, io->in.count);
SIVAL(req->out.body, 0x24, io->in.unknown5);
SIVAL(req->out.body, 0x28, io->in.flags);
smb2_transport_send(req);
return req;
}
/*
recv a lock reply
*/
NTSTATUS smb2_lock_recv(struct smb2_request *req, struct smb2_lock *io)
{
if (!smb2_request_receive(req) ||
smb2_request_is_error(req)) {
return smb2_request_destroy(req);
}
SMB2_CHECK_PACKET_RECV(req, 0x04, false);
io->out.unknown1 = SVAL(req->in.body, 0x02);
return smb2_request_destroy(req);
}
/*
sync lock request
*/
NTSTATUS smb2_lock(struct smb2_tree *tree, struct smb2_lock *io)
{
struct smb2_request *req = smb2_lock_send(tree, io);
return smb2_lock_recv(req, io);
}
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