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7f14388721
The lock.in.reserved field has been renamed lock_sequence in the SMB 2.1 dialect. See MS-SMB 2.2.26.
83 lines
2.2 KiB
C
83 lines
2.2 KiB
C
/*
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Unix SMB/CIFS implementation.
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SMB2 client lock handling
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Copyright (C) Stefan Metzmacher 2006
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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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#include "includes.h"
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#include "libcli/smb2/smb2.h"
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#include "libcli/smb2/smb2_calls.h"
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/*
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send a lock request
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*/
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struct smb2_request *smb2_lock_send(struct smb2_tree *tree, struct smb2_lock *io)
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{
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struct smb2_request *req;
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int i;
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req = smb2_request_init_tree(tree, SMB2_OP_LOCK,
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24 + io->in.lock_count*24, false, 0);
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if (req == NULL) return NULL;
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/* this is quite bizarre - the spec says we must lie about the length! */
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SSVAL(req->out.body, 0, 0x30);
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SSVAL(req->out.body, 0x02, io->in.lock_count);
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SIVAL(req->out.body, 0x04, io->in.lock_sequence);
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smb2_push_handle(req->out.body+0x08, &io->in.file.handle);
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for (i=0;i<io->in.lock_count;i++) {
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SBVAL(req->out.body, 0x18 + i*24, io->in.locks[i].offset);
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SBVAL(req->out.body, 0x20 + i*24, io->in.locks[i].length);
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SIVAL(req->out.body, 0x28 + i*24, io->in.locks[i].flags);
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SIVAL(req->out.body, 0x2C + i*24, io->in.locks[i].reserved);
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}
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smb2_transport_send(req);
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return req;
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}
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/*
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recv a lock reply
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*/
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NTSTATUS smb2_lock_recv(struct smb2_request *req, struct smb2_lock *io)
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{
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if (!smb2_request_receive(req) ||
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smb2_request_is_error(req)) {
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return smb2_request_destroy(req);
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}
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SMB2_CHECK_PACKET_RECV(req, 0x04, false);
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io->out.reserved = SVAL(req->in.body, 0x02);
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return smb2_request_destroy(req);
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}
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/*
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sync lock request
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*/
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NTSTATUS smb2_lock(struct smb2_tree *tree, struct smb2_lock *io)
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{
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struct smb2_request *req = smb2_lock_send(tree, io);
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return smb2_lock_recv(req, io);
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}
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