/* 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); }