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/*
Unix SMB/CIFS implementation.
SMB2 client write call
Copyright (C) Andrew Tridgell 2005
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 2 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, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "includes.h"
#include "libcli/raw/libcliraw.h"
#include "libcli/smb2/smb2.h"
#include "libcli/smb2/smb2_calls.h"
/*
send a write request
*/
struct smb2_request *smb2_write_send(struct smb2_tree *tree, struct smb2_write *io)
{
NTSTATUS status;
struct smb2_request *req;
req = smb2_request_init_tree(tree, SMB2_OP_WRITE, io->in.data.length + 0x30);
if (req == NULL) return NULL;
SSVAL(req->out.body, 0x00, io->in.buffer_code);
SSVAL(req->out.body, 0x02, req->out.body+0x30 - req->out.hdr);
SIVAL(req->out.body, 0x04, io->in.data.length);
SBVAL(req->out.body, 0x08, io->in.offset);
smb2_put_handle(req->out.body+0x10, &io->in.handle);
memcpy(req->out.body+0x20, io->in._pad, 0x10);
status = smb2_push_blob(&req->out, req->out.body+0x30, io->in.data);
if (!NT_STATUS_IS_OK(status)) {
return NULL;
}
smb2_transport_send(req);
return req;
}
/*
recv a write reply
*/
NTSTATUS smb2_write_recv(struct smb2_request *req, struct smb2_write *io)
{
if (!smb2_request_receive(req) ||
smb2_request_is_error(req)) {
return smb2_request_destroy(req);
}
if (req->in.body_size < 17) {
return NT_STATUS_BUFFER_TOO_SMALL;
}
SMB2_CHECK_BUFFER_CODE(req, 0x11);
io->out._pad = SVAL(req->in.body, 0x02);
io->out.nwritten = IVAL(req->in.body, 0x04);
memcpy(io->out.unknown, req->in.body+0x08, 9);
return smb2_request_destroy(req);
}
/*
sync write request
*/
NTSTATUS smb2_write(struct smb2_tree *tree, struct smb2_write *io)
{
struct smb2_request *req = smb2_write_send(tree, io);
return smb2_write_recv(req, io);
}
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