2 Unix SMB/CIFS implementation.
6 Copyright (C) Andrew Tridgell 2005
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 #include "libcli/raw/libcliraw.h"
25 #include "libcli/smb2/smb2.h"
26 #include "libcli/smb2/smb2_calls.h"
31 struct smb2_request *smb2_read_send(struct smb2_tree *tree, struct smb2_read *io)
33 struct smb2_request *req;
35 req = smb2_request_init_tree(tree, SMB2_OP_READ, 0x31, 0);
36 if (req == NULL) return NULL;
38 SSVAL(req->out.body, 0x02, 0); /* pad */
39 SIVAL(req->out.body, 0x04, io->in.length);
40 SBVAL(req->out.body, 0x08, io->in.offset);
41 smb2_push_handle(req->out.body+0x10, &io->in.handle);
42 SBVAL(req->out.body, 0x20, io->in.unknown1);
43 SBVAL(req->out.body, 0x28, io->in.unknown2);
44 SCVAL(req->out.body, 0x30, io->in._bug);
46 smb2_transport_send(req);
55 NTSTATUS smb2_read_recv(struct smb2_request *req,
56 TALLOC_CTX *mem_ctx, struct smb2_read *io)
60 if (!smb2_request_receive(req) ||
61 smb2_request_is_error(req)) {
62 return smb2_request_destroy(req);
65 SMB2_CHECK_PACKET_RECV(req, 0x10, True);
67 status = smb2_pull_o16s32_blob(&req->in, mem_ctx, req->in.body+0x02, &io->out.data);
68 if (!NT_STATUS_IS_OK(status)) {
69 smb2_request_destroy(req);
73 io->out.unknown1 = BVAL(req->in.body, 0x08);
75 return smb2_request_destroy(req);
81 NTSTATUS smb2_read(struct smb2_tree *tree, TALLOC_CTX *mem_ctx, struct smb2_read *io)
83 struct smb2_request *req = smb2_read_send(tree, io);
84 return smb2_read_recv(req, mem_ctx, io);