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mirror of https://github.com/samba-team/samba.git synced 2024-12-23 17:34:34 +03:00
samba-mirror/source4/smb_server/blob.c
Andrew Tridgell 742a99e046 - add reserved field in basic_information level
- use INVALID_PARAMETER for info length mismatch to match windows
  behaviour

- added parsing of LINK_INFORMATION level
2008-09-24 18:10:23 -07:00

795 lines
27 KiB
C

/*
Unix SMB/CIFS implementation.
Copyright (C) Andrew Tridgell 2003
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 "lib/util/dlinklist.h"
#include "smb_server/smb_server.h"
#include "librpc/gen_ndr/ndr_misc.h"
#include "ntvfs/ntvfs.h"
#include "libcli/raw/libcliraw.h"
#include "libcli/raw/raw_proto.h"
#include "param/param.h"
#define BLOB_CHECK(cmd) do { \
NTSTATUS _status; \
_status = cmd; \
NT_STATUS_NOT_OK_RETURN(_status); \
} while (0)
#define BLOB_CHECK_MIN_SIZE(blob, size) do { \
if ((blob)->length < (size)) { \
return NT_STATUS_INVALID_PARAMETER; \
} \
} while (0)
/* align the end of the blob on an 8 byte boundary */
#define BLOB_ALIGN(blob, alignment) do { \
if ((blob)->length & ((alignment)-1)) { \
uint8_t _pad = (alignment) - ((blob)->length & ((alignment)-1)); \
BLOB_CHECK(smbsrv_blob_fill_data(blob, blob, (blob)->length+_pad)); \
} \
} while (0)
/* grow the data size of a trans2 reply */
NTSTATUS smbsrv_blob_grow_data(TALLOC_CTX *mem_ctx,
DATA_BLOB *blob,
uint32_t new_size)
{
if (new_size > blob->length) {
uint8_t *p;
p = talloc_realloc(mem_ctx, blob->data, uint8_t, new_size);
NT_STATUS_HAVE_NO_MEMORY(p);
blob->data = p;
}
blob->length = new_size;
return NT_STATUS_OK;
}
/* grow the data, zero filling any new bytes */
NTSTATUS smbsrv_blob_fill_data(TALLOC_CTX *mem_ctx,
DATA_BLOB *blob,
uint32_t new_size)
{
uint32_t old_size = blob->length;
BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, new_size));
if (new_size > old_size) {
memset(blob->data + old_size, 0, new_size - old_size);
}
return NT_STATUS_OK;
}
/*
pull a string from a blob in a trans2 request
*/
size_t smbsrv_blob_pull_string(struct request_bufinfo *bufinfo,
const DATA_BLOB *blob,
uint16_t offset,
const char **str,
int flags)
{
*str = NULL;
/* we use STR_NO_RANGE_CHECK because the params are allocated
separately in a DATA_BLOB, so we need to do our own range
checking */
if (offset >= blob->length) {
return 0;
}
return req_pull_string(bufinfo, str,
blob->data + offset,
blob->length - offset,
STR_NO_RANGE_CHECK | flags);
}
/*
push a string into the data section of a trans2 request
return the number of bytes consumed in the output
*/
size_t smbsrv_blob_push_string(TALLOC_CTX *mem_ctx,
DATA_BLOB *blob,
uint32_t len_offset,
uint32_t offset,
const char *str,
int dest_len,
int default_flags,
int flags)
{
int alignment = 0, ret = 0, pkt_len;
/* we use STR_NO_RANGE_CHECK because the params are allocated
separately in a DATA_BLOB, so we need to do our own range
checking */
if (!str || offset >= blob->length) {
if (flags & STR_LEN8BIT) {
SCVAL(blob->data, len_offset, 0);
} else {
SIVAL(blob->data, len_offset, 0);
}
return 0;
}
flags |= STR_NO_RANGE_CHECK;
if (dest_len == -1 || (dest_len > blob->length - offset)) {
dest_len = blob->length - offset;
}
if (!(flags & (STR_ASCII|STR_UNICODE))) {
flags |= default_flags;
}
if ((offset&1) && (flags & STR_UNICODE) && !(flags & STR_NOALIGN)) {
alignment = 1;
if (dest_len > 0) {
SCVAL(blob->data + offset, 0, 0);
ret = push_string(lp_iconv_convenience(global_loadparm), blob->data + offset + 1, str, dest_len-1, flags);
}
} else {
ret = push_string(lp_iconv_convenience(global_loadparm), blob->data + offset, str, dest_len, flags);
}
/* sometimes the string needs to be terminated, but the length
on the wire must not include the termination! */
pkt_len = ret;
if ((flags & STR_LEN_NOTERM) && (flags & STR_TERMINATE)) {
if ((flags & STR_UNICODE) && ret >= 2) {
pkt_len = ret-2;
}
if ((flags & STR_ASCII) && ret >= 1) {
pkt_len = ret-1;
}
}
if (flags & STR_LEN8BIT) {
SCVAL(blob->data, len_offset, pkt_len);
} else {
SIVAL(blob->data, len_offset, pkt_len);
}
return ret + alignment;
}
/*
append a string to the data section of a trans2 reply
len_offset points to the place in the packet where the length field
should go
*/
NTSTATUS smbsrv_blob_append_string(TALLOC_CTX *mem_ctx,
DATA_BLOB *blob,
const char *str,
uint_t len_offset,
int default_flags,
int flags)
{
size_t ret;
uint32_t offset;
const int max_bytes_per_char = 3;
offset = blob->length;
BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, offset + (2+strlen_m(str))*max_bytes_per_char));
ret = smbsrv_blob_push_string(mem_ctx, blob, len_offset, offset, str, -1, default_flags, flags);
if (ret < 0) {
return NT_STATUS_FOOBAR;
}
BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, offset + ret));
return NT_STATUS_OK;
}
NTSTATUS smbsrv_push_passthru_fsinfo(TALLOC_CTX *mem_ctx,
DATA_BLOB *blob,
enum smb_fsinfo_level level,
union smb_fsinfo *fsinfo,
int default_str_flags)
{
uint_t i;
DATA_BLOB guid_blob;
switch (level) {
case RAW_QFS_VOLUME_INFORMATION:
BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 18));
push_nttime(blob->data, 0, fsinfo->volume_info.out.create_time);
SIVAL(blob->data, 8, fsinfo->volume_info.out.serial_number);
SSVAL(blob->data, 16, 0); /* padding */
BLOB_CHECK(smbsrv_blob_append_string(mem_ctx, blob,
fsinfo->volume_info.out.volume_name.s,
12, default_str_flags,
STR_UNICODE));
return NT_STATUS_OK;
case RAW_QFS_SIZE_INFORMATION:
BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 24));
SBVAL(blob->data, 0, fsinfo->size_info.out.total_alloc_units);
SBVAL(blob->data, 8, fsinfo->size_info.out.avail_alloc_units);
SIVAL(blob->data, 16, fsinfo->size_info.out.sectors_per_unit);
SIVAL(blob->data, 20, fsinfo->size_info.out.bytes_per_sector);
return NT_STATUS_OK;
case RAW_QFS_DEVICE_INFORMATION:
BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 8));
SIVAL(blob->data, 0, fsinfo->device_info.out.device_type);
SIVAL(blob->data, 4, fsinfo->device_info.out.characteristics);
return NT_STATUS_OK;
case RAW_QFS_ATTRIBUTE_INFORMATION:
BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 12));
SIVAL(blob->data, 0, fsinfo->attribute_info.out.fs_attr);
SIVAL(blob->data, 4, fsinfo->attribute_info.out.max_file_component_length);
/* this must not be null terminated or win98 gets
confused! also note that w2k3 returns this as
unicode even when ascii is negotiated */
BLOB_CHECK(smbsrv_blob_append_string(mem_ctx, blob,
fsinfo->attribute_info.out.fs_type.s,
8, default_str_flags,
STR_UNICODE));
return NT_STATUS_OK;
case RAW_QFS_QUOTA_INFORMATION:
BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 48));
SBVAL(blob->data, 0, fsinfo->quota_information.out.unknown[0]);
SBVAL(blob->data, 8, fsinfo->quota_information.out.unknown[1]);
SBVAL(blob->data, 16, fsinfo->quota_information.out.unknown[2]);
SBVAL(blob->data, 24, fsinfo->quota_information.out.quota_soft);
SBVAL(blob->data, 32, fsinfo->quota_information.out.quota_hard);
SBVAL(blob->data, 40, fsinfo->quota_information.out.quota_flags);
return NT_STATUS_OK;
case RAW_QFS_FULL_SIZE_INFORMATION:
BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 32));
SBVAL(blob->data, 0, fsinfo->full_size_information.out.total_alloc_units);
SBVAL(blob->data, 8, fsinfo->full_size_information.out.call_avail_alloc_units);
SBVAL(blob->data, 16, fsinfo->full_size_information.out.actual_avail_alloc_units);
SIVAL(blob->data, 24, fsinfo->full_size_information.out.sectors_per_unit);
SIVAL(blob->data, 28, fsinfo->full_size_information.out.bytes_per_sector);
return NT_STATUS_OK;
case RAW_QFS_OBJECTID_INFORMATION: {
enum ndr_err_code ndr_err;
BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 64));
ndr_err = ndr_push_struct_blob(&guid_blob, mem_ctx, NULL,
&fsinfo->objectid_information.out.guid,
(ndr_push_flags_fn_t)ndr_push_GUID);
if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
BLOB_CHECK(ndr_map_error2ntstatus(ndr_err));
}
memcpy(blob->data, guid_blob.data, guid_blob.length);
for (i=0;i<6;i++) {
SBVAL(blob->data, 16 + 8*i, fsinfo->objectid_information.out.unknown[i]);
}
return NT_STATUS_OK;
}
default:
return NT_STATUS_INVALID_LEVEL;
}
return NT_STATUS_INVALID_LEVEL;
}
NTSTATUS smbsrv_push_passthru_fileinfo(TALLOC_CTX *mem_ctx,
DATA_BLOB *blob,
enum smb_fileinfo_level level,
union smb_fileinfo *st,
int default_str_flags)
{
uint_t i;
size_t list_size;
switch (level) {
case RAW_FILEINFO_BASIC_INFORMATION:
BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 40));
push_nttime(blob->data, 0, st->basic_info.out.create_time);
push_nttime(blob->data, 8, st->basic_info.out.access_time);
push_nttime(blob->data, 16, st->basic_info.out.write_time);
push_nttime(blob->data, 24, st->basic_info.out.change_time);
SIVAL(blob->data, 32, st->basic_info.out.attrib);
SIVAL(blob->data, 36, 0); /* padding */
return NT_STATUS_OK;
case RAW_FILEINFO_NETWORK_OPEN_INFORMATION:
BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 56));
push_nttime(blob->data, 0, st->network_open_information.out.create_time);
push_nttime(blob->data, 8, st->network_open_information.out.access_time);
push_nttime(blob->data, 16, st->network_open_information.out.write_time);
push_nttime(blob->data, 24, st->network_open_information.out.change_time);
SBVAL(blob->data, 32, st->network_open_information.out.alloc_size);
SBVAL(blob->data, 40, st->network_open_information.out.size);
SIVAL(blob->data, 48, st->network_open_information.out.attrib);
SIVAL(blob->data, 52, 0); /* padding */
return NT_STATUS_OK;
case RAW_FILEINFO_STANDARD_INFORMATION:
BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 24));
SBVAL(blob->data, 0, st->standard_info.out.alloc_size);
SBVAL(blob->data, 8, st->standard_info.out.size);
SIVAL(blob->data, 16, st->standard_info.out.nlink);
SCVAL(blob->data, 20, st->standard_info.out.delete_pending);
SCVAL(blob->data, 21, st->standard_info.out.directory);
SSVAL(blob->data, 22, 0); /* padding */
return NT_STATUS_OK;
case RAW_FILEINFO_ATTRIBUTE_TAG_INFORMATION:
BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 8));
SIVAL(blob->data, 0, st->attribute_tag_information.out.attrib);
SIVAL(blob->data, 4, st->attribute_tag_information.out.reparse_tag);
return NT_STATUS_OK;
case RAW_FILEINFO_EA_INFORMATION:
BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 4));
SIVAL(blob->data, 0, st->ea_info.out.ea_size);
return NT_STATUS_OK;
case RAW_FILEINFO_MODE_INFORMATION:
BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 4));
SIVAL(blob->data, 0, st->mode_information.out.mode);
return NT_STATUS_OK;
case RAW_FILEINFO_ALIGNMENT_INFORMATION:
BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 4));
SIVAL(blob->data, 0,
st->alignment_information.out.alignment_requirement);
return NT_STATUS_OK;
case RAW_FILEINFO_ACCESS_INFORMATION:
BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 4));
SIVAL(blob->data, 0, st->access_information.out.access_flags);
return NT_STATUS_OK;
case RAW_FILEINFO_POSITION_INFORMATION:
BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 8));
SBVAL(blob->data, 0, st->position_information.out.position);
return NT_STATUS_OK;
case RAW_FILEINFO_COMPRESSION_INFORMATION:
BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 16));
SBVAL(blob->data, 0, st->compression_info.out.compressed_size);
SSVAL(blob->data, 8, st->compression_info.out.format);
SCVAL(blob->data, 10, st->compression_info.out.unit_shift);
SCVAL(blob->data, 11, st->compression_info.out.chunk_shift);
SCVAL(blob->data, 12, st->compression_info.out.cluster_shift);
SSVAL(blob->data, 13, 0); /* 3 bytes padding */
SCVAL(blob->data, 15, 0);
return NT_STATUS_OK;
case RAW_FILEINFO_INTERNAL_INFORMATION:
BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 8));
SBVAL(blob->data, 0, st->internal_information.out.file_id);
return NT_STATUS_OK;
case RAW_FILEINFO_ALL_INFORMATION:
BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 72));
push_nttime(blob->data, 0, st->all_info.out.create_time);
push_nttime(blob->data, 8, st->all_info.out.access_time);
push_nttime(blob->data, 16, st->all_info.out.write_time);
push_nttime(blob->data, 24, st->all_info.out.change_time);
SIVAL(blob->data, 32, st->all_info.out.attrib);
SIVAL(blob->data, 36, 0); /* padding */
SBVAL(blob->data, 40, st->all_info.out.alloc_size);
SBVAL(blob->data, 48, st->all_info.out.size);
SIVAL(blob->data, 56, st->all_info.out.nlink);
SCVAL(blob->data, 60, st->all_info.out.delete_pending);
SCVAL(blob->data, 61, st->all_info.out.directory);
SSVAL(blob->data, 62, 0); /* padding */
SIVAL(blob->data, 64, st->all_info.out.ea_size);
BLOB_CHECK(smbsrv_blob_append_string(mem_ctx, blob,
st->all_info.out.fname.s,
68, default_str_flags,
STR_UNICODE));
return NT_STATUS_OK;
case RAW_FILEINFO_NAME_INFORMATION:
BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 4));
BLOB_CHECK(smbsrv_blob_append_string(mem_ctx, blob,
st->name_info.out.fname.s,
0, default_str_flags,
STR_UNICODE));
return NT_STATUS_OK;
case RAW_FILEINFO_ALT_NAME_INFORMATION:
BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 4));
BLOB_CHECK(smbsrv_blob_append_string(mem_ctx, blob,
st->alt_name_info.out.fname.s,
0, default_str_flags,
STR_UNICODE));
return NT_STATUS_OK;
case RAW_FILEINFO_STREAM_INFORMATION:
for (i=0;i<st->stream_info.out.num_streams;i++) {
uint32_t data_size = blob->length;
uint8_t *data;
BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, data_size + 24));
data = blob->data + data_size;
SBVAL(data, 8, st->stream_info.out.streams[i].size);
SBVAL(data, 16, st->stream_info.out.streams[i].alloc_size);
BLOB_CHECK(smbsrv_blob_append_string(mem_ctx, blob,
st->stream_info.out.streams[i].stream_name.s,
data_size + 4, default_str_flags,
STR_UNICODE));
if (i == st->stream_info.out.num_streams - 1) {
SIVAL(blob->data, data_size, 0);
} else {
BLOB_CHECK(smbsrv_blob_fill_data(mem_ctx, blob, (blob->length+7)&~7));
SIVAL(blob->data, data_size,
blob->length - data_size);
}
}
return NT_STATUS_OK;
case RAW_FILEINFO_SMB2_ALL_EAS:
/* if no eas are returned the backend should
* have returned NO_EAS_ON_FILE or NO_MORE_EAS
*
* so it's a programmer error if num_eas == 0
*/
if (st->all_eas.out.num_eas == 0) {
smb_panic("0 eas for SMB2_ALL_EAS - programmer error in ntvfs backend");
}
list_size = ea_list_size_chained(st->all_eas.out.num_eas,
st->all_eas.out.eas, 4);
BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, list_size));
ea_put_list_chained(blob->data,
st->all_eas.out.num_eas,
st->all_eas.out.eas, 4);
return NT_STATUS_OK;
case RAW_FILEINFO_SMB2_ALL_INFORMATION:
BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 0x64));
push_nttime(blob->data, 0x00, st->all_info2.out.create_time);
push_nttime(blob->data, 0x08, st->all_info2.out.access_time);
push_nttime(blob->data, 0x10, st->all_info2.out.write_time);
push_nttime(blob->data, 0x18, st->all_info2.out.change_time);
SIVAL(blob->data, 0x20, st->all_info2.out.attrib);
SIVAL(blob->data, 0x24, st->all_info2.out.unknown1);
SBVAL(blob->data, 0x28, st->all_info2.out.alloc_size);
SBVAL(blob->data, 0x30, st->all_info2.out.size);
SIVAL(blob->data, 0x38, st->all_info2.out.nlink);
SCVAL(blob->data, 0x3C, st->all_info2.out.delete_pending);
SCVAL(blob->data, 0x3D, st->all_info2.out.directory);
SSVAL(blob->data, 0x3E, 0); /* padding */
SBVAL(blob->data, 0x40, st->all_info2.out.file_id);
SIVAL(blob->data, 0x48, st->all_info2.out.ea_size);
SIVAL(blob->data, 0x4C, st->all_info2.out.access_mask);
SBVAL(blob->data, 0x50, st->all_info2.out.position);
SIVAL(blob->data, 0x58, st->all_info2.out.mode);
SIVAL(blob->data, 0x5C, st->all_info2.out.alignment_requirement);
BLOB_CHECK(smbsrv_blob_append_string(mem_ctx, blob,
st->all_info2.out.fname.s,
0x60, default_str_flags,
STR_UNICODE));
return NT_STATUS_OK;
default:
return NT_STATUS_INVALID_LEVEL;
}
return NT_STATUS_INVALID_LEVEL;
}
NTSTATUS smbsrv_pull_passthru_sfileinfo(TALLOC_CTX *mem_ctx,
enum smb_setfileinfo_level level,
union smb_setfileinfo *st,
const DATA_BLOB *blob,
int default_str_flags,
struct request_bufinfo *bufinfo)
{
uint32_t len, ofs;
DATA_BLOB str_blob;
switch (level) {
case SMB_SFILEINFO_BASIC_INFORMATION:
BLOB_CHECK_MIN_SIZE(blob, 40);
st->basic_info.in.create_time = pull_nttime(blob->data, 0);
st->basic_info.in.access_time = pull_nttime(blob->data, 8);
st->basic_info.in.write_time = pull_nttime(blob->data, 16);
st->basic_info.in.change_time = pull_nttime(blob->data, 24);
st->basic_info.in.attrib = IVAL(blob->data, 32);
st->basic_info.in.reserved = IVAL(blob->data, 36);
return NT_STATUS_OK;
case SMB_SFILEINFO_DISPOSITION_INFORMATION:
BLOB_CHECK_MIN_SIZE(blob, 1);
st->disposition_info.in.delete_on_close = CVAL(blob->data, 0);
return NT_STATUS_OK;
case SMB_SFILEINFO_ALLOCATION_INFORMATION:
BLOB_CHECK_MIN_SIZE(blob, 8);
st->allocation_info.in.alloc_size = BVAL(blob->data, 0);
return NT_STATUS_OK;
case RAW_SFILEINFO_END_OF_FILE_INFORMATION:
BLOB_CHECK_MIN_SIZE(blob, 8);
st->end_of_file_info.in.size = BVAL(blob->data, 0);
return NT_STATUS_OK;
case RAW_SFILEINFO_RENAME_INFORMATION:
if (!bufinfo) {
return NT_STATUS_INTERNAL_ERROR;
}
BLOB_CHECK_MIN_SIZE(blob, 12);
st->rename_information.in.overwrite = CVAL(blob->data, 0);
st->rename_information.in.root_fid = IVAL(blob->data, 4);
len = IVAL(blob->data, 8);
ofs = 12;
str_blob = *blob;
str_blob.length = MIN(str_blob.length, ofs+len);
smbsrv_blob_pull_string(bufinfo, &str_blob, ofs,
&st->rename_information.in.new_name,
STR_UNICODE);
if (st->rename_information.in.new_name == NULL) {
return NT_STATUS_FOOBAR;
}
return NT_STATUS_OK;
case RAW_SFILEINFO_LINK_INFORMATION:
if (!bufinfo) {
return NT_STATUS_INTERNAL_ERROR;
}
BLOB_CHECK_MIN_SIZE(blob, 20);
st->link_information.in.overwrite = CVAL(blob->data, 0);
st->link_information.in.root_fid = IVAL(blob->data, 8);
len = IVAL(blob->data, 16);
ofs = 20;
str_blob = *blob;
str_blob.length = MIN(str_blob.length, ofs+len);
smbsrv_blob_pull_string(bufinfo, &str_blob, ofs,
&st->link_information.in.new_name,
STR_UNICODE);
if (st->link_information.in.new_name == NULL) {
return NT_STATUS_FOOBAR;
}
return NT_STATUS_OK;
case RAW_SFILEINFO_RENAME_INFORMATION_SMB2:
/* SMB2 uses a different format for rename information */
if (!bufinfo) {
return NT_STATUS_INTERNAL_ERROR;
}
BLOB_CHECK_MIN_SIZE(blob, 20);
st->rename_information.in.overwrite = CVAL(blob->data, 0);
st->rename_information.in.root_fid = BVAL(blob->data, 8);
len = IVAL(blob->data,16);
ofs = 20;
str_blob = *blob;
str_blob.length = MIN(str_blob.length, ofs+len);
smbsrv_blob_pull_string(bufinfo, &str_blob, ofs,
&st->rename_information.in.new_name,
STR_UNICODE);
if (st->rename_information.in.new_name == NULL) {
return NT_STATUS_FOOBAR;
}
return NT_STATUS_OK;
case RAW_SFILEINFO_POSITION_INFORMATION:
BLOB_CHECK_MIN_SIZE(blob, 8);
st->position_information.in.position = BVAL(blob->data, 0);
return NT_STATUS_OK;
case RAW_SFILEINFO_MODE_INFORMATION:
BLOB_CHECK_MIN_SIZE(blob, 4);
st->mode_information.in.mode = IVAL(blob->data, 0);
return NT_STATUS_OK;
default:
return NT_STATUS_INVALID_LEVEL;
}
return NT_STATUS_INVALID_LEVEL;
}
/*
fill a single entry in a trans2 find reply
*/
NTSTATUS smbsrv_push_passthru_search(TALLOC_CTX *mem_ctx,
DATA_BLOB *blob,
enum smb_search_data_level level,
const union smb_search_data *file,
int default_str_flags)
{
uint8_t *data;
uint_t ofs = blob->length;
switch (level) {
case RAW_SEARCH_DATA_DIRECTORY_INFO:
BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, ofs + 64));
data = blob->data + ofs;
SIVAL(data, 4, file->directory_info.file_index);
push_nttime(data, 8, file->directory_info.create_time);
push_nttime(data, 16, file->directory_info.access_time);
push_nttime(data, 24, file->directory_info.write_time);
push_nttime(data, 32, file->directory_info.change_time);
SBVAL(data, 40, file->directory_info.size);
SBVAL(data, 48, file->directory_info.alloc_size);
SIVAL(data, 56, file->directory_info.attrib);
BLOB_CHECK(smbsrv_blob_append_string(mem_ctx, blob, file->directory_info.name.s,
ofs + 60, default_str_flags,
STR_TERMINATE_ASCII));
BLOB_ALIGN(blob, 8);
data = blob->data + ofs;
SIVAL(data, 0, blob->length - ofs);
return NT_STATUS_OK;
case RAW_SEARCH_DATA_FULL_DIRECTORY_INFO:
BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, ofs + 68));
data = blob->data + ofs;
SIVAL(data, 4, file->full_directory_info.file_index);
push_nttime(data, 8, file->full_directory_info.create_time);
push_nttime(data, 16, file->full_directory_info.access_time);
push_nttime(data, 24, file->full_directory_info.write_time);
push_nttime(data, 32, file->full_directory_info.change_time);
SBVAL(data, 40, file->full_directory_info.size);
SBVAL(data, 48, file->full_directory_info.alloc_size);
SIVAL(data, 56, file->full_directory_info.attrib);
SIVAL(data, 64, file->full_directory_info.ea_size);
BLOB_CHECK(smbsrv_blob_append_string(mem_ctx, blob, file->full_directory_info.name.s,
ofs + 60, default_str_flags,
STR_TERMINATE_ASCII));
BLOB_ALIGN(blob, 8);
data = blob->data + ofs;
SIVAL(data, 0, blob->length - ofs);
return NT_STATUS_OK;
case RAW_SEARCH_DATA_NAME_INFO:
BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, ofs + 12));
data = blob->data + ofs;
SIVAL(data, 4, file->name_info.file_index);
BLOB_CHECK(smbsrv_blob_append_string(mem_ctx, blob, file->name_info.name.s,
ofs + 8, default_str_flags,
STR_TERMINATE_ASCII));
BLOB_ALIGN(blob, 8);
data = blob->data + ofs;
SIVAL(data, 0, blob->length - ofs);
return NT_STATUS_OK;
case RAW_SEARCH_DATA_BOTH_DIRECTORY_INFO:
BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, ofs + 94));
data = blob->data + ofs;
SIVAL(data, 4, file->both_directory_info.file_index);
push_nttime(data, 8, file->both_directory_info.create_time);
push_nttime(data, 16, file->both_directory_info.access_time);
push_nttime(data, 24, file->both_directory_info.write_time);
push_nttime(data, 32, file->both_directory_info.change_time);
SBVAL(data, 40, file->both_directory_info.size);
SBVAL(data, 48, file->both_directory_info.alloc_size);
SIVAL(data, 56, file->both_directory_info.attrib);
SIVAL(data, 64, file->both_directory_info.ea_size);
SCVAL(data, 69, 0); /* reserved */
memset(data+70,0,24);
smbsrv_blob_push_string(mem_ctx, blob,
68 + ofs, 70 + ofs,
file->both_directory_info.short_name.s,
24, default_str_flags,
STR_UNICODE | STR_LEN8BIT);
BLOB_CHECK(smbsrv_blob_append_string(mem_ctx, blob, file->both_directory_info.name.s,
ofs + 60, default_str_flags,
STR_TERMINATE_ASCII));
BLOB_ALIGN(blob, 8);
data = blob->data + ofs;
SIVAL(data, 0, blob->length - ofs);
return NT_STATUS_OK;
case RAW_SEARCH_DATA_ID_FULL_DIRECTORY_INFO:
BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, ofs + 80));
data = blob->data + ofs;
SIVAL(data, 4, file->id_full_directory_info.file_index);
push_nttime(data, 8, file->id_full_directory_info.create_time);
push_nttime(data, 16, file->id_full_directory_info.access_time);
push_nttime(data, 24, file->id_full_directory_info.write_time);
push_nttime(data, 32, file->id_full_directory_info.change_time);
SBVAL(data, 40, file->id_full_directory_info.size);
SBVAL(data, 48, file->id_full_directory_info.alloc_size);
SIVAL(data, 56, file->id_full_directory_info.attrib);
SIVAL(data, 64, file->id_full_directory_info.ea_size);
SIVAL(data, 68, 0); /* padding */
SBVAL(data, 72, file->id_full_directory_info.file_id);
BLOB_CHECK(smbsrv_blob_append_string(mem_ctx, blob, file->id_full_directory_info.name.s,
ofs + 60, default_str_flags,
STR_TERMINATE_ASCII));
BLOB_ALIGN(blob, 8);
data = blob->data + ofs;
SIVAL(data, 0, blob->length - ofs);
return NT_STATUS_OK;
case RAW_SEARCH_DATA_ID_BOTH_DIRECTORY_INFO:
BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, ofs + 104));
data = blob->data + ofs;
SIVAL(data, 4, file->id_both_directory_info.file_index);
push_nttime(data, 8, file->id_both_directory_info.create_time);
push_nttime(data, 16, file->id_both_directory_info.access_time);
push_nttime(data, 24, file->id_both_directory_info.write_time);
push_nttime(data, 32, file->id_both_directory_info.change_time);
SBVAL(data, 40, file->id_both_directory_info.size);
SBVAL(data, 48, file->id_both_directory_info.alloc_size);
SIVAL(data, 56, file->id_both_directory_info.attrib);
SIVAL(data, 64, file->id_both_directory_info.ea_size);
SCVAL(data, 69, 0); /* reserved */
memset(data+70,0,26);
smbsrv_blob_push_string(mem_ctx, blob,
68 + ofs, 70 + ofs,
file->id_both_directory_info.short_name.s,
24, default_str_flags,
STR_UNICODE | STR_LEN8BIT);
SBVAL(data, 96, file->id_both_directory_info.file_id);
BLOB_CHECK(smbsrv_blob_append_string(mem_ctx, blob, file->id_both_directory_info.name.s,
ofs + 60, default_str_flags,
STR_TERMINATE_ASCII));
BLOB_ALIGN(blob, 8);
data = blob->data + ofs;
SIVAL(data, 0, blob->length - ofs);
return NT_STATUS_OK;
default:
return NT_STATUS_INVALID_LEVEL;
}
return NT_STATUS_INVALID_LEVEL;
}