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/*
Unix SMB/CIFS implementation.
RAW_QFS_* operations
Copyright (C) Andrew Tridgell 2003
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"
#include "libcli/raw/raw_proto.h"
#include "librpc/gen_ndr/ndr_misc.h"
/****************************************************************************
Query FS Info - SMBdskattr call (async send)
****************************************************************************/
static struct smbcli_request *smb_raw_dskattr_send(struct smbcli_tree *tree,
union smb_fsinfo *fsinfo)
{
struct smbcli_request *req;
req = smbcli_request_setup(tree, SMBdskattr, 0, 0);
if (!smbcli_request_send(req)) {
smbcli_request_destroy(req);
return NULL;
}
return req;
}
/****************************************************************************
Query FS Info - SMBdskattr call (async recv)
****************************************************************************/
static NTSTATUS smb_raw_dskattr_recv(struct smbcli_request *req,
union smb_fsinfo *fsinfo)
{
if (!smbcli_request_receive(req) ||
smbcli_request_is_error(req)) {
goto failed;
}
SMBCLI_CHECK_WCT(req, 5);
fsinfo->dskattr.out.units_total = SVAL(req->in.vwv, VWV(0));
fsinfo->dskattr.out.blocks_per_unit = SVAL(req->in.vwv, VWV(1));
fsinfo->dskattr.out.block_size = SVAL(req->in.vwv, VWV(2));
fsinfo->dskattr.out.units_free = SVAL(req->in.vwv, VWV(3));
failed:
return smbcli_request_destroy(req);
}
/****************************************************************************
RAW_QFS_ trans2 interface via blobs (async send)
****************************************************************************/
static struct smbcli_request *smb_raw_qfsinfo_send(struct smbcli_tree *tree,
TALLOC_CTX *mem_ctx,
uint16_t info_level)
{
struct smb_trans2 tp;
uint16_t setup = TRANSACT2_QFSINFO;
tp.in.max_setup = 0;
tp.in.flags = 0;
tp.in.timeout = 0;
tp.in.setup_count = 1;
tp.in.max_param = 0;
tp.in.max_data = 0xFFFF;
tp.in.setup = &setup;
tp.in.data = data_blob(NULL, 0);
tp.in.timeout = 0;
tp.in.params = data_blob_talloc(mem_ctx, NULL, 2);
if (!tp.in.params.data) {
return NULL;
}
SSVAL(tp.in.params.data, 0, info_level);
return smb_raw_trans2_send(tree, &tp);
}
/****************************************************************************
RAW_QFS_ trans2 interface via blobs (async recv)
****************************************************************************/
static NTSTATUS smb_raw_qfsinfo_blob_recv(struct smbcli_request *req,
TALLOC_CTX *mem_ctx,
DATA_BLOB *blob)
{
struct smb_trans2 tp;
NTSTATUS status;
status = smb_raw_trans2_recv(req, mem_ctx, &tp);
if (NT_STATUS_IS_OK(status)) {
(*blob) = tp.out.data;
}
return status;
}
/* local macros to make the code more readable */
#define QFS_CHECK_MIN_SIZE(size) if (blob.length < (size)) { \
DEBUG(1,("Unexpected QFS reply size %d for level %u - expected min of %d\n", \
(int)blob.length, fsinfo->generic.level, (size))); \
status = NT_STATUS_INFO_LENGTH_MISMATCH; \
goto failed; \
}
#define QFS_CHECK_SIZE(size) if (blob.length != (size)) { \
DEBUG(1,("Unexpected QFS reply size %d for level %u - expected %d\n", \
(int)blob.length, fsinfo->generic.level, (size))); \
status = NT_STATUS_INFO_LENGTH_MISMATCH; \
goto failed; \
}
/****************************************************************************
Query FSInfo raw interface (async send)
****************************************************************************/
struct smbcli_request *smb_raw_fsinfo_send(struct smbcli_tree *tree,
TALLOC_CTX *mem_ctx,
union smb_fsinfo *fsinfo)
{
uint16_t info_level;
/* handle the only non-trans2 call separately */
if (fsinfo->generic.level == RAW_QFS_DSKATTR) {
return smb_raw_dskattr_send(tree, fsinfo);
}
if (fsinfo->generic.level >= RAW_QFS_GENERIC) {
return NULL;
}
/* the headers map the trans2 levels direct to info levels */
info_level = (uint16_t)fsinfo->generic.level;
return smb_raw_qfsinfo_send(tree, mem_ctx, info_level);
}
/*
parse the fsinfo 'passthru' level replies
*/
NTSTATUS smb_raw_fsinfo_passthru_parse(DATA_BLOB blob, TALLOC_CTX *mem_ctx,
enum smb_fsinfo_level level,
union smb_fsinfo *fsinfo)
{
NTSTATUS status = NT_STATUS_OK;
enum ndr_err_code ndr_err;
int i;
/* parse the results */
switch (level) {
case RAW_QFS_VOLUME_INFORMATION:
QFS_CHECK_MIN_SIZE(18);
fsinfo->volume_info.out.create_time = smbcli_pull_nttime(blob.data, 0);
fsinfo->volume_info.out.serial_number = IVAL(blob.data, 8);
smbcli_blob_pull_string(NULL, mem_ctx, &blob,
&fsinfo->volume_info.out.volume_name,
12, 18, STR_UNICODE);
break;
case RAW_QFS_SIZE_INFORMATION:
QFS_CHECK_SIZE(24);
fsinfo->size_info.out.total_alloc_units = BVAL(blob.data, 0);
fsinfo->size_info.out.avail_alloc_units = BVAL(blob.data, 8);
fsinfo->size_info.out.sectors_per_unit = IVAL(blob.data, 16);
fsinfo->size_info.out.bytes_per_sector = IVAL(blob.data, 20);
break;
case RAW_QFS_DEVICE_INFORMATION:
QFS_CHECK_SIZE(8);
fsinfo->device_info.out.device_type = IVAL(blob.data, 0);
fsinfo->device_info.out.characteristics = IVAL(blob.data, 4);
break;
case RAW_QFS_ATTRIBUTE_INFORMATION:
QFS_CHECK_MIN_SIZE(12);
fsinfo->attribute_info.out.fs_attr = IVAL(blob.data, 0);
fsinfo->attribute_info.out.max_file_component_length = IVAL(blob.data, 4);
smbcli_blob_pull_string(NULL, mem_ctx, &blob,
&fsinfo->attribute_info.out.fs_type,
8, 12, STR_UNICODE);
break;
case RAW_QFS_QUOTA_INFORMATION:
QFS_CHECK_SIZE(48);
fsinfo->quota_information.out.unknown[0] = BVAL(blob.data, 0);
fsinfo->quota_information.out.unknown[1] = BVAL(blob.data, 8);
fsinfo->quota_information.out.unknown[2] = BVAL(blob.data, 16);
fsinfo->quota_information.out.quota_soft = BVAL(blob.data, 24);
fsinfo->quota_information.out.quota_hard = BVAL(blob.data, 32);
fsinfo->quota_information.out.quota_flags = BVAL(blob.data, 40);
break;
case RAW_QFS_FULL_SIZE_INFORMATION:
QFS_CHECK_SIZE(32);
fsinfo->full_size_information.out.total_alloc_units = BVAL(blob.data, 0);
fsinfo->full_size_information.out.call_avail_alloc_units = BVAL(blob.data, 8);
fsinfo->full_size_information.out.actual_avail_alloc_units = BVAL(blob.data, 16);
fsinfo->full_size_information.out.sectors_per_unit = IVAL(blob.data, 24);
fsinfo->full_size_information.out.bytes_per_sector = IVAL(blob.data, 28);
break;
case RAW_QFS_OBJECTID_INFORMATION:
QFS_CHECK_SIZE(64);
ndr_err = ndr_pull_struct_blob(&blob, mem_ctx, NULL, &fsinfo->objectid_information.out.guid,
(ndr_pull_flags_fn_t)ndr_pull_GUID);
if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
status = ndr_map_error2ntstatus(ndr_err);
}
for (i=0;i<6;i++) {
fsinfo->objectid_information.out.unknown[i] = BVAL(blob.data, 16 + i*8);
}
break;
default:
status = NT_STATUS_INVALID_INFO_CLASS;
}
failed:
return status;
}
/****************************************************************************
Query FSInfo raw interface (async recv)
****************************************************************************/
NTSTATUS smb_raw_fsinfo_recv(struct smbcli_request *req,
TALLOC_CTX *mem_ctx,
union smb_fsinfo *fsinfo)
{
DATA_BLOB blob;
NTSTATUS status;
struct smbcli_session *session = req?req->session:NULL;
if (fsinfo->generic.level == RAW_QFS_DSKATTR) {
return smb_raw_dskattr_recv(req, fsinfo);
}
status = smb_raw_qfsinfo_blob_recv(req, mem_ctx, &blob);
if (!NT_STATUS_IS_OK(status)) {
return status;
}
/* parse the results */
switch (fsinfo->generic.level) {
case RAW_QFS_GENERIC:
case RAW_QFS_DSKATTR:
/* handled above */
break;
case RAW_QFS_ALLOCATION:
QFS_CHECK_SIZE(18);
fsinfo->allocation.out.fs_id = IVAL(blob.data, 0);
fsinfo->allocation.out.sectors_per_unit = IVAL(blob.data, 4);
fsinfo->allocation.out.total_alloc_units = IVAL(blob.data, 8);
fsinfo->allocation.out.avail_alloc_units = IVAL(blob.data, 12);
fsinfo->allocation.out.bytes_per_sector = SVAL(blob.data, 16);
break;
case RAW_QFS_VOLUME:
QFS_CHECK_MIN_SIZE(5);
fsinfo->volume.out.serial_number = IVAL(blob.data, 0);
smbcli_blob_pull_string(session, mem_ctx, &blob,
&fsinfo->volume.out.volume_name,
4, 5, STR_LEN8BIT | STR_NOALIGN);
break;
case RAW_QFS_VOLUME_INFO:
case RAW_QFS_VOLUME_INFORMATION:
return smb_raw_fsinfo_passthru_parse(blob, mem_ctx,
RAW_QFS_VOLUME_INFORMATION, fsinfo);
case RAW_QFS_SIZE_INFO:
case RAW_QFS_SIZE_INFORMATION:
return smb_raw_fsinfo_passthru_parse(blob, mem_ctx,
RAW_QFS_SIZE_INFORMATION, fsinfo);
case RAW_QFS_DEVICE_INFO:
case RAW_QFS_DEVICE_INFORMATION:
return smb_raw_fsinfo_passthru_parse(blob, mem_ctx,
RAW_QFS_DEVICE_INFORMATION, fsinfo);
case RAW_QFS_ATTRIBUTE_INFO:
case RAW_QFS_ATTRIBUTE_INFORMATION:
return smb_raw_fsinfo_passthru_parse(blob, mem_ctx,
RAW_QFS_ATTRIBUTE_INFORMATION, fsinfo);
case RAW_QFS_UNIX_INFO:
QFS_CHECK_SIZE(12);
fsinfo->unix_info.out.major_version = SVAL(blob.data, 0);
fsinfo->unix_info.out.minor_version = SVAL(blob.data, 2);
fsinfo->unix_info.out.capability = SVAL(blob.data, 4);
break;
case RAW_QFS_QUOTA_INFORMATION:
return smb_raw_fsinfo_passthru_parse(blob, mem_ctx,
RAW_QFS_QUOTA_INFORMATION, fsinfo);
case RAW_QFS_FULL_SIZE_INFORMATION:
return smb_raw_fsinfo_passthru_parse(blob, mem_ctx,
RAW_QFS_FULL_SIZE_INFORMATION, fsinfo);
case RAW_QFS_OBJECTID_INFORMATION:
return smb_raw_fsinfo_passthru_parse(blob, mem_ctx,
RAW_QFS_OBJECTID_INFORMATION, fsinfo);
}
failed:
return status;
}
/****************************************************************************
Query FSInfo raw interface (sync interface)
****************************************************************************/
_PUBLIC_ NTSTATUS smb_raw_fsinfo(struct smbcli_tree *tree,
TALLOC_CTX *mem_ctx,
union smb_fsinfo *fsinfo)
{
struct smbcli_request *req = smb_raw_fsinfo_send(tree, mem_ctx, fsinfo);
return smb_raw_fsinfo_recv(req, mem_ctx, fsinfo);
}
|
