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/*
Unix SMB/CIFS implementation.
client file operations
Copyright (C) Andrew Tridgell 2003
Copyright (C) James J Myers 2003 <myersjj@samba.org>
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/raw/libcliraw.h"
#define SETUP_REQUEST(cmd, wct, buflen) do { \
req = smbcli_request_setup(tree, cmd, wct, buflen); \
if (!req) return NULL; \
} while (0)
/*
send a raw smb ioctl - async send
*/
static struct smbcli_request *smb_raw_smbioctl_send(struct smbcli_tree *tree,
union smb_ioctl *parms)
{
struct smbcli_request *req;
SETUP_REQUEST(SMBioctl, 3, 0);
SSVAL(req->out.vwv, VWV(0), parms->ioctl.in.file.fnum);
SIVAL(req->out.vwv, VWV(1), parms->ioctl.in.request);
if (!smbcli_request_send(req)) {
smbcli_request_destroy(req);
return NULL;
}
return req;
}
/*
send a raw smb ioctl - async recv
*/
static NTSTATUS smb_raw_smbioctl_recv(struct smbcli_request *req,
TALLOC_CTX *mem_ctx,
union smb_ioctl *parms)
{
if (!smbcli_request_receive(req) ||
smbcli_request_is_error(req)) {
return smbcli_request_destroy(req);
}
parms->ioctl.out.blob = smbcli_req_pull_blob(&req->in.bufinfo, mem_ctx, req->in.data, -1);
return smbcli_request_destroy(req);
}
/****************************************************************************
NT ioctl (async send)
****************************************************************************/
static struct smbcli_request *smb_raw_ntioctl_send(struct smbcli_tree *tree,
union smb_ioctl *parms)
{
struct smb_nttrans nt;
uint8_t setup[8];
nt.in.max_setup = 4;
nt.in.max_param = 0;
nt.in.max_data = parms->ntioctl.in.max_data;
nt.in.setup_count = 4;
nt.in.setup = setup;
SIVAL(setup, 0, parms->ntioctl.in.function);
SSVAL(setup, 4, parms->ntioctl.in.file.fnum);
SCVAL(setup, 6, parms->ntioctl.in.fsctl);
SCVAL(setup, 7, parms->ntioctl.in.filter);
nt.in.function = NT_TRANSACT_IOCTL;
nt.in.params = data_blob(NULL, 0);
nt.in.data = parms->ntioctl.in.blob;
return smb_raw_nttrans_send(tree, &nt);
}
/****************************************************************************
NT ioctl (async recv)
****************************************************************************/
static NTSTATUS smb_raw_ntioctl_recv(struct smbcli_request *req,
TALLOC_CTX *mem_ctx,
union smb_ioctl *parms)
{
NTSTATUS status;
struct smb_nttrans nt;
TALLOC_CTX *tmp_mem;
tmp_mem = talloc_new(mem_ctx);
NT_STATUS_HAVE_NO_MEMORY(tmp_mem);
status = smb_raw_nttrans_recv(req, tmp_mem, &nt);
if (!NT_STATUS_IS_OK(status)) goto fail;
parms->ntioctl.out.blob = nt.out.data;
talloc_steal(mem_ctx, parms->ntioctl.out.blob.data);
fail:
talloc_free(tmp_mem);
return status;
}
/*
send a raw ioctl - async send
*/
struct smbcli_request *smb_raw_ioctl_send(struct smbcli_tree *tree, union smb_ioctl *parms)
{
struct smbcli_request *req = NULL;
switch (parms->generic.level) {
case RAW_IOCTL_IOCTL:
req = smb_raw_smbioctl_send(tree, parms);
break;
case RAW_IOCTL_NTIOCTL:
req = smb_raw_ntioctl_send(tree, parms);
break;
case RAW_IOCTL_SMB2:
case RAW_IOCTL_SMB2_NO_HANDLE:
return NULL;
}
return req;
}
/*
recv a raw ioctl - async recv
*/
NTSTATUS smb_raw_ioctl_recv(struct smbcli_request *req,
TALLOC_CTX *mem_ctx, union smb_ioctl *parms)
{
switch (parms->generic.level) {
case RAW_IOCTL_IOCTL:
return smb_raw_smbioctl_recv(req, mem_ctx, parms);
case RAW_IOCTL_NTIOCTL:
return smb_raw_ntioctl_recv(req, mem_ctx, parms);
case RAW_IOCTL_SMB2:
case RAW_IOCTL_SMB2_NO_HANDLE:
break;
}
return NT_STATUS_INVALID_LEVEL;
}
/*
send a raw ioctl - sync interface
*/
_PUBLIC_ NTSTATUS smb_raw_ioctl(struct smbcli_tree *tree,
TALLOC_CTX *mem_ctx, union smb_ioctl *parms)
{
struct smbcli_request *req;
req = smb_raw_ioctl_send(tree, parms);
return smb_raw_ioctl_recv(req, mem_ctx, parms);
}
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