source: vendor/3.5.9/source4/smb_server/blob.c

Last change on this file was 414, checked in by Herwig Bauernfeind, 16 years ago

Samba 3.5.0: Initial import
File size: 26.5 KB
Line 
1/*
2 Unix SMB/CIFS implementation.
3
4 Copyright (C) Andrew Tridgell 2003
5 Copyright (C) Stefan Metzmacher 2006
6
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
11
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
16
17 You should have received a copy of the GNU General Public License
18 along with this program. If not, see <http://www.gnu.org/licenses/>.
19*/
20
21#include "includes.h"
22#include "smb_server/smb_server.h"
23#include "librpc/gen_ndr/ndr_misc.h"
24#include "libcli/raw/libcliraw.h"
25#include "libcli/raw/raw_proto.h"
26
27#define BLOB_CHECK(cmd) do { \
28 NTSTATUS _status; \
29 _status = cmd; \
30 NT_STATUS_NOT_OK_RETURN(_status); \
31} while (0)
32
33#define BLOB_CHECK_MIN_SIZE(blob, size) do { \
34 if ((blob)->length < (size)) { \
35 return NT_STATUS_INVALID_PARAMETER; \
36 } \
37} while (0)
38
39
40/* align the end of the blob on an 8 byte boundary */
41#define BLOB_ALIGN(blob, alignment) do { \
42 if ((blob)->length & ((alignment)-1)) { \
43 uint8_t _pad = (alignment) - ((blob)->length & ((alignment)-1)); \
44 BLOB_CHECK(smbsrv_blob_fill_data(blob, blob, (blob)->length+_pad)); \
45 } \
46} while (0)
47
48/* grow the data size of a trans2 reply */
49NTSTATUS smbsrv_blob_grow_data(TALLOC_CTX *mem_ctx,
50 DATA_BLOB *blob,
51 uint32_t new_size)
52{
53 if (new_size > blob->length) {
54 uint8_t *p;
55 p = talloc_realloc(mem_ctx, blob->data, uint8_t, new_size);
56 NT_STATUS_HAVE_NO_MEMORY(p);
57 blob->data = p;
58 }
59 blob->length = new_size;
60 return NT_STATUS_OK;
61}
62
63/* grow the data, zero filling any new bytes */
64NTSTATUS smbsrv_blob_fill_data(TALLOC_CTX *mem_ctx,
65 DATA_BLOB *blob,
66 uint32_t new_size)
67{
68 uint32_t old_size = blob->length;
69 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, new_size));
70 if (new_size > old_size) {
71 memset(blob->data + old_size, 0, new_size - old_size);
72 }
73 return NT_STATUS_OK;
74}
75
76/*
77 pull a string from a blob in a trans2 request
78*/
79size_t smbsrv_blob_pull_string(struct request_bufinfo *bufinfo,
80 const DATA_BLOB *blob,
81 uint16_t offset,
82 const char **str,
83 int flags)
84{
85 *str = NULL;
86 /* we use STR_NO_RANGE_CHECK because the params are allocated
87 separately in a DATA_BLOB, so we need to do our own range
88 checking */
89 if (offset >= blob->length) {
90 return 0;
91 }
92
93 return req_pull_string(bufinfo, str,
94 blob->data + offset,
95 blob->length - offset,
96 STR_NO_RANGE_CHECK | flags);
97}
98
99/*
100 push a string into the data section of a trans2 request
101 return the number of bytes consumed in the output
102*/
103size_t smbsrv_blob_push_string(TALLOC_CTX *mem_ctx,
104 DATA_BLOB *blob,
105 uint32_t len_offset,
106 uint32_t offset,
107 const char *str,
108 int dest_len,
109 int default_flags,
110 int flags)
111{
112 int alignment = 0, ret = 0, pkt_len;
113
114 /* we use STR_NO_RANGE_CHECK because the params are allocated
115 separately in a DATA_BLOB, so we need to do our own range
116 checking */
117 if (!str || offset >= blob->length) {
118 if (flags & STR_LEN8BIT) {
119 SCVAL(blob->data, len_offset, 0);
120 } else {
121 SIVAL(blob->data, len_offset, 0);
122 }
123 return 0;
124 }
125
126 flags |= STR_NO_RANGE_CHECK;
127
128 if (dest_len == -1 || (dest_len > blob->length - offset)) {
129 dest_len = blob->length - offset;
130 }
131
132 if (!(flags & (STR_ASCII|STR_UNICODE))) {
133 flags |= default_flags;
134 }
135
136 if ((offset&1) && (flags & STR_UNICODE) && !(flags & STR_NOALIGN)) {
137 alignment = 1;
138 if (dest_len > 0) {
139 SCVAL(blob->data + offset, 0, 0);
140 ret = push_string(blob->data + offset + 1, str, dest_len-1, flags);
141 }
142 } else {
143 ret = push_string(blob->data + offset, str, dest_len, flags);
144 }
145
146 /* sometimes the string needs to be terminated, but the length
147 on the wire must not include the termination! */
148 pkt_len = ret;
149
150 if ((flags & STR_LEN_NOTERM) && (flags & STR_TERMINATE)) {
151 if ((flags & STR_UNICODE) && ret >= 2) {
152 pkt_len = ret-2;
153 }
154 if ((flags & STR_ASCII) && ret >= 1) {
155 pkt_len = ret-1;
156 }
157 }
158
159 if (flags & STR_LEN8BIT) {
160 SCVAL(blob->data, len_offset, pkt_len);
161 } else {
162 SIVAL(blob->data, len_offset, pkt_len);
163 }
164
165 return ret + alignment;
166}
167
168/*
169 append a string to the data section of a trans2 reply
170 len_offset points to the place in the packet where the length field
171 should go
172*/
173NTSTATUS smbsrv_blob_append_string(TALLOC_CTX *mem_ctx,
174 DATA_BLOB *blob,
175 const char *str,
176 uint_t len_offset,
177 int default_flags,
178 int flags)
179{
180 size_t ret;
181 uint32_t offset;
182 const int max_bytes_per_char = 3;
183
184 offset = blob->length;
185 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, offset + (2+strlen_m(str))*max_bytes_per_char));
186 ret = smbsrv_blob_push_string(mem_ctx, blob, len_offset, offset, str, -1, default_flags, flags);
187 if (ret < 0) {
188 return NT_STATUS_FOOBAR;
189 }
190 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, offset + ret));
191 return NT_STATUS_OK;
192}
193
194NTSTATUS smbsrv_push_passthru_fsinfo(TALLOC_CTX *mem_ctx,
195 DATA_BLOB *blob,
196 enum smb_fsinfo_level level,
197 union smb_fsinfo *fsinfo,
198 int default_str_flags)
199{
200 uint_t i;
201 DATA_BLOB guid_blob;
202
203 switch (level) {
204 case RAW_QFS_VOLUME_INFORMATION:
205 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 18));
206
207 push_nttime(blob->data, 0, fsinfo->volume_info.out.create_time);
208 SIVAL(blob->data, 8, fsinfo->volume_info.out.serial_number);
209 SSVAL(blob->data, 16, 0); /* padding */
210 BLOB_CHECK(smbsrv_blob_append_string(mem_ctx, blob,
211 fsinfo->volume_info.out.volume_name.s,
212 12, default_str_flags,
213 STR_UNICODE));
214
215 return NT_STATUS_OK;
216
217 case RAW_QFS_SIZE_INFORMATION:
218 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 24));
219
220 SBVAL(blob->data, 0, fsinfo->size_info.out.total_alloc_units);
221 SBVAL(blob->data, 8, fsinfo->size_info.out.avail_alloc_units);
222 SIVAL(blob->data, 16, fsinfo->size_info.out.sectors_per_unit);
223 SIVAL(blob->data, 20, fsinfo->size_info.out.bytes_per_sector);
224
225 return NT_STATUS_OK;
226
227 case RAW_QFS_DEVICE_INFORMATION:
228 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 8));
229
230 SIVAL(blob->data, 0, fsinfo->device_info.out.device_type);
231 SIVAL(blob->data, 4, fsinfo->device_info.out.characteristics);
232
233 return NT_STATUS_OK;
234
235 case RAW_QFS_ATTRIBUTE_INFORMATION:
236 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 12));
237
238 SIVAL(blob->data, 0, fsinfo->attribute_info.out.fs_attr);
239 SIVAL(blob->data, 4, fsinfo->attribute_info.out.max_file_component_length);
240 /* this must not be null terminated or win98 gets
241 confused! also note that w2k3 returns this as
242 unicode even when ascii is negotiated */
243 BLOB_CHECK(smbsrv_blob_append_string(mem_ctx, blob,
244 fsinfo->attribute_info.out.fs_type.s,
245 8, default_str_flags,
246 STR_UNICODE));
247 return NT_STATUS_OK;
248
249
250 case RAW_QFS_QUOTA_INFORMATION:
251 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 48));
252
253 SBVAL(blob->data, 0, fsinfo->quota_information.out.unknown[0]);
254 SBVAL(blob->data, 8, fsinfo->quota_information.out.unknown[1]);
255 SBVAL(blob->data, 16, fsinfo->quota_information.out.unknown[2]);
256 SBVAL(blob->data, 24, fsinfo->quota_information.out.quota_soft);
257 SBVAL(blob->data, 32, fsinfo->quota_information.out.quota_hard);
258 SBVAL(blob->data, 40, fsinfo->quota_information.out.quota_flags);
259
260 return NT_STATUS_OK;
261
262
263 case RAW_QFS_FULL_SIZE_INFORMATION:
264 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 32));
265
266 SBVAL(blob->data, 0, fsinfo->full_size_information.out.total_alloc_units);
267 SBVAL(blob->data, 8, fsinfo->full_size_information.out.call_avail_alloc_units);
268 SBVAL(blob->data, 16, fsinfo->full_size_information.out.actual_avail_alloc_units);
269 SIVAL(blob->data, 24, fsinfo->full_size_information.out.sectors_per_unit);
270 SIVAL(blob->data, 28, fsinfo->full_size_information.out.bytes_per_sector);
271
272 return NT_STATUS_OK;
273
274 case RAW_QFS_OBJECTID_INFORMATION: {
275 enum ndr_err_code ndr_err;
276
277 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 64));
278
279 ndr_err = ndr_push_struct_blob(&guid_blob, mem_ctx, NULL,
280 &fsinfo->objectid_information.out.guid,
281 (ndr_push_flags_fn_t)ndr_push_GUID);
282 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
283 BLOB_CHECK(ndr_map_error2ntstatus(ndr_err));
284 }
285
286 memcpy(blob->data, guid_blob.data, guid_blob.length);
287
288 for (i=0;i<6;i++) {
289 SBVAL(blob->data, 16 + 8*i, fsinfo->objectid_information.out.unknown[i]);
290 }
291
292 return NT_STATUS_OK;
293 }
294 default:
295 return NT_STATUS_INVALID_LEVEL;
296 }
297
298 return NT_STATUS_INVALID_LEVEL;
299}
300
301NTSTATUS smbsrv_push_passthru_fileinfo(TALLOC_CTX *mem_ctx,
302 DATA_BLOB *blob,
303 enum smb_fileinfo_level level,
304 union smb_fileinfo *st,
305 int default_str_flags)
306{
307 uint_t i;
308 size_t list_size;
309
310 switch (level) {
311 case RAW_FILEINFO_BASIC_INFORMATION:
312 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 40));
313
314 push_nttime(blob->data, 0, st->basic_info.out.create_time);
315 push_nttime(blob->data, 8, st->basic_info.out.access_time);
316 push_nttime(blob->data, 16, st->basic_info.out.write_time);
317 push_nttime(blob->data, 24, st->basic_info.out.change_time);
318 SIVAL(blob->data, 32, st->basic_info.out.attrib);
319 SIVAL(blob->data, 36, 0); /* padding */
320 return NT_STATUS_OK;
321
322 case RAW_FILEINFO_NETWORK_OPEN_INFORMATION:
323 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 56));
324
325 push_nttime(blob->data, 0, st->network_open_information.out.create_time);
326 push_nttime(blob->data, 8, st->network_open_information.out.access_time);
327 push_nttime(blob->data, 16, st->network_open_information.out.write_time);
328 push_nttime(blob->data, 24, st->network_open_information.out.change_time);
329 SBVAL(blob->data, 32, st->network_open_information.out.alloc_size);
330 SBVAL(blob->data, 40, st->network_open_information.out.size);
331 SIVAL(blob->data, 48, st->network_open_information.out.attrib);
332 SIVAL(blob->data, 52, 0); /* padding */
333 return NT_STATUS_OK;
334
335 case RAW_FILEINFO_STANDARD_INFORMATION:
336 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 24));
337
338 SBVAL(blob->data, 0, st->standard_info.out.alloc_size);
339 SBVAL(blob->data, 8, st->standard_info.out.size);
340 SIVAL(blob->data, 16, st->standard_info.out.nlink);
341 SCVAL(blob->data, 20, st->standard_info.out.delete_pending);
342 SCVAL(blob->data, 21, st->standard_info.out.directory);
343 SSVAL(blob->data, 22, 0); /* padding */
344 return NT_STATUS_OK;
345
346 case RAW_FILEINFO_ATTRIBUTE_TAG_INFORMATION:
347 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 8));
348
349 SIVAL(blob->data, 0, st->attribute_tag_information.out.attrib);
350 SIVAL(blob->data, 4, st->attribute_tag_information.out.reparse_tag);
351 return NT_STATUS_OK;
352
353 case RAW_FILEINFO_EA_INFORMATION:
354 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 4));
355
356 SIVAL(blob->data, 0, st->ea_info.out.ea_size);
357 return NT_STATUS_OK;
358
359 case RAW_FILEINFO_MODE_INFORMATION:
360 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 4));
361
362 SIVAL(blob->data, 0, st->mode_information.out.mode);
363 return NT_STATUS_OK;
364
365 case RAW_FILEINFO_ALIGNMENT_INFORMATION:
366 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 4));
367
368 SIVAL(blob->data, 0,
369 st->alignment_information.out.alignment_requirement);
370 return NT_STATUS_OK;
371
372 case RAW_FILEINFO_ACCESS_INFORMATION:
373 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 4));
374
375 SIVAL(blob->data, 0, st->access_information.out.access_flags);
376 return NT_STATUS_OK;
377
378 case RAW_FILEINFO_POSITION_INFORMATION:
379 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 8));
380
381 SBVAL(blob->data, 0, st->position_information.out.position);
382 return NT_STATUS_OK;
383
384 case RAW_FILEINFO_COMPRESSION_INFORMATION:
385 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 16));
386
387 SBVAL(blob->data, 0, st->compression_info.out.compressed_size);
388 SSVAL(blob->data, 8, st->compression_info.out.format);
389 SCVAL(blob->data, 10, st->compression_info.out.unit_shift);
390 SCVAL(blob->data, 11, st->compression_info.out.chunk_shift);
391 SCVAL(blob->data, 12, st->compression_info.out.cluster_shift);
392 SSVAL(blob->data, 13, 0); /* 3 bytes padding */
393 SCVAL(blob->data, 15, 0);
394 return NT_STATUS_OK;
395
396 case RAW_FILEINFO_INTERNAL_INFORMATION:
397 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 8));
398
399 SBVAL(blob->data, 0, st->internal_information.out.file_id);
400 return NT_STATUS_OK;
401
402 case RAW_FILEINFO_ALL_INFORMATION:
403 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 72));
404
405 push_nttime(blob->data, 0, st->all_info.out.create_time);
406 push_nttime(blob->data, 8, st->all_info.out.access_time);
407 push_nttime(blob->data, 16, st->all_info.out.write_time);
408 push_nttime(blob->data, 24, st->all_info.out.change_time);
409 SIVAL(blob->data, 32, st->all_info.out.attrib);
410 SIVAL(blob->data, 36, 0); /* padding */
411 SBVAL(blob->data, 40, st->all_info.out.alloc_size);
412 SBVAL(blob->data, 48, st->all_info.out.size);
413 SIVAL(blob->data, 56, st->all_info.out.nlink);
414 SCVAL(blob->data, 60, st->all_info.out.delete_pending);
415 SCVAL(blob->data, 61, st->all_info.out.directory);
416 SSVAL(blob->data, 62, 0); /* padding */
417 SIVAL(blob->data, 64, st->all_info.out.ea_size);
418 BLOB_CHECK(smbsrv_blob_append_string(mem_ctx, blob,
419 st->all_info.out.fname.s,
420 68, default_str_flags,
421 STR_UNICODE));
422 return NT_STATUS_OK;
423
424 case RAW_FILEINFO_NAME_INFORMATION:
425 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 4));
426
427 BLOB_CHECK(smbsrv_blob_append_string(mem_ctx, blob,
428 st->name_info.out.fname.s,
429 0, default_str_flags,
430 STR_UNICODE));
431 return NT_STATUS_OK;
432
433 case RAW_FILEINFO_ALT_NAME_INFORMATION:
434 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 4));
435
436 BLOB_CHECK(smbsrv_blob_append_string(mem_ctx, blob,
437 st->alt_name_info.out.fname.s,
438 0, default_str_flags,
439 STR_UNICODE));
440 return NT_STATUS_OK;
441
442 case RAW_FILEINFO_STREAM_INFORMATION:
443 for (i=0;i<st->stream_info.out.num_streams;i++) {
444 uint32_t data_size = blob->length;
445 uint8_t *data;
446
447 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, data_size + 24));
448 data = blob->data + data_size;
449 SBVAL(data, 8, st->stream_info.out.streams[i].size);
450 SBVAL(data, 16, st->stream_info.out.streams[i].alloc_size);
451 BLOB_CHECK(smbsrv_blob_append_string(mem_ctx, blob,
452 st->stream_info.out.streams[i].stream_name.s,
453 data_size + 4, default_str_flags,
454 STR_UNICODE));
455 if (i == st->stream_info.out.num_streams - 1) {
456 SIVAL(blob->data, data_size, 0);
457 } else {
458 BLOB_CHECK(smbsrv_blob_fill_data(mem_ctx, blob, (blob->length+7)&~7));
459 SIVAL(blob->data, data_size,
460 blob->length - data_size);
461 }
462 }
463 return NT_STATUS_OK;
464
465 case RAW_FILEINFO_SMB2_ALL_EAS:
466 /* if no eas are returned the backend should
467 * have returned NO_EAS_ON_FILE or NO_MORE_EAS
468 *
469 * so it's a programmer error if num_eas == 0
470 */
471 if (st->all_eas.out.num_eas == 0) {
472 smb_panic("0 eas for SMB2_ALL_EAS - programmer error in ntvfs backend");
473 }
474
475 list_size = ea_list_size_chained(st->all_eas.out.num_eas,
476 st->all_eas.out.eas, 4);
477 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, list_size));
478
479 ea_put_list_chained(blob->data,
480 st->all_eas.out.num_eas,
481 st->all_eas.out.eas, 4);
482 return NT_STATUS_OK;
483
484 case RAW_FILEINFO_SMB2_ALL_INFORMATION:
485 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 0x64));
486
487 push_nttime(blob->data, 0x00, st->all_info2.out.create_time);
488 push_nttime(blob->data, 0x08, st->all_info2.out.access_time);
489 push_nttime(blob->data, 0x10, st->all_info2.out.write_time);
490 push_nttime(blob->data, 0x18, st->all_info2.out.change_time);
491 SIVAL(blob->data, 0x20, st->all_info2.out.attrib);
492 SIVAL(blob->data, 0x24, st->all_info2.out.unknown1);
493 SBVAL(blob->data, 0x28, st->all_info2.out.alloc_size);
494 SBVAL(blob->data, 0x30, st->all_info2.out.size);
495 SIVAL(blob->data, 0x38, st->all_info2.out.nlink);
496 SCVAL(blob->data, 0x3C, st->all_info2.out.delete_pending);
497 SCVAL(blob->data, 0x3D, st->all_info2.out.directory);
498 SSVAL(blob->data, 0x3E, 0); /* padding */
499 SBVAL(blob->data, 0x40, st->all_info2.out.file_id);
500 SIVAL(blob->data, 0x48, st->all_info2.out.ea_size);
501 SIVAL(blob->data, 0x4C, st->all_info2.out.access_mask);
502 SBVAL(blob->data, 0x50, st->all_info2.out.position);
503 SIVAL(blob->data, 0x58, st->all_info2.out.mode);
504 SIVAL(blob->data, 0x5C, st->all_info2.out.alignment_requirement);
505 BLOB_CHECK(smbsrv_blob_append_string(mem_ctx, blob,
506 st->all_info2.out.fname.s,
507 0x60, default_str_flags,
508 STR_UNICODE));
509 return NT_STATUS_OK;
510
511 default:
512 return NT_STATUS_INVALID_LEVEL;
513 }
514
515 return NT_STATUS_INVALID_LEVEL;
516}
517
518NTSTATUS smbsrv_pull_passthru_sfileinfo(TALLOC_CTX *mem_ctx,
519 enum smb_setfileinfo_level level,
520 union smb_setfileinfo *st,
521 const DATA_BLOB *blob,
522 int default_str_flags,
523 struct request_bufinfo *bufinfo)
524{
525 uint32_t len, ofs;
526 DATA_BLOB str_blob;
527
528 switch (level) {
529 case SMB_SFILEINFO_BASIC_INFORMATION:
530 BLOB_CHECK_MIN_SIZE(blob, 40);
531
532 st->basic_info.in.create_time = pull_nttime(blob->data, 0);
533 st->basic_info.in.access_time = pull_nttime(blob->data, 8);
534 st->basic_info.in.write_time = pull_nttime(blob->data, 16);
535 st->basic_info.in.change_time = pull_nttime(blob->data, 24);
536 st->basic_info.in.attrib = IVAL(blob->data, 32);
537 st->basic_info.in.reserved = IVAL(blob->data, 36);
538
539 return NT_STATUS_OK;
540
541 case SMB_SFILEINFO_DISPOSITION_INFORMATION:
542 BLOB_CHECK_MIN_SIZE(blob, 1);
543
544 st->disposition_info.in.delete_on_close = CVAL(blob->data, 0);
545
546 return NT_STATUS_OK;
547
548 case SMB_SFILEINFO_ALLOCATION_INFORMATION:
549 BLOB_CHECK_MIN_SIZE(blob, 8);
550
551 st->allocation_info.in.alloc_size = BVAL(blob->data, 0);
552
553 return NT_STATUS_OK;
554
555 case RAW_SFILEINFO_END_OF_FILE_INFORMATION:
556 BLOB_CHECK_MIN_SIZE(blob, 8);
557
558 st->end_of_file_info.in.size = BVAL(blob->data, 0);
559
560 return NT_STATUS_OK;
561
562 case RAW_SFILEINFO_RENAME_INFORMATION:
563 if (!bufinfo) {
564 return NT_STATUS_INTERNAL_ERROR;
565 }
566 BLOB_CHECK_MIN_SIZE(blob, 12);
567 st->rename_information.in.overwrite = CVAL(blob->data, 0);
568 st->rename_information.in.root_fid = IVAL(blob->data, 4);
569 len = IVAL(blob->data, 8);
570 ofs = 12;
571 str_blob = *blob;
572 str_blob.length = MIN(str_blob.length, ofs+len);
573 smbsrv_blob_pull_string(bufinfo, &str_blob, ofs,
574 &st->rename_information.in.new_name,
575 STR_UNICODE);
576 if (st->rename_information.in.new_name == NULL) {
577 return NT_STATUS_FOOBAR;
578 }
579
580 return NT_STATUS_OK;
581
582
583 case RAW_SFILEINFO_LINK_INFORMATION:
584 if (!bufinfo) {
585 return NT_STATUS_INTERNAL_ERROR;
586 }
587 BLOB_CHECK_MIN_SIZE(blob, 20);
588 st->link_information.in.overwrite = CVAL(blob->data, 0);
589 st->link_information.in.root_fid = IVAL(blob->data, 8);
590 len = IVAL(blob->data, 16);
591 ofs = 20;
592 str_blob = *blob;
593 str_blob.length = MIN(str_blob.length, ofs+len);
594 smbsrv_blob_pull_string(bufinfo, &str_blob, ofs,
595 &st->link_information.in.new_name,
596 STR_UNICODE);
597 if (st->link_information.in.new_name == NULL) {
598 return NT_STATUS_FOOBAR;
599 }
600
601 return NT_STATUS_OK;
602
603 case RAW_SFILEINFO_RENAME_INFORMATION_SMB2:
604 /* SMB2 uses a different format for rename information */
605 if (!bufinfo) {
606 return NT_STATUS_INTERNAL_ERROR;
607 }
608 BLOB_CHECK_MIN_SIZE(blob, 20);
609 st->rename_information.in.overwrite = CVAL(blob->data, 0);
610 st->rename_information.in.root_fid = BVAL(blob->data, 8);
611 len = IVAL(blob->data,16);
612 ofs = 20;
613 str_blob = *blob;
614 str_blob.length = MIN(str_blob.length, ofs+len);
615 smbsrv_blob_pull_string(bufinfo, &str_blob, ofs,
616 &st->rename_information.in.new_name,
617 STR_UNICODE);
618 if (st->rename_information.in.new_name == NULL) {
619 return NT_STATUS_FOOBAR;
620 }
621
622 return NT_STATUS_OK;
623
624 case RAW_SFILEINFO_POSITION_INFORMATION:
625 BLOB_CHECK_MIN_SIZE(blob, 8);
626
627 st->position_information.in.position = BVAL(blob->data, 0);
628
629 return NT_STATUS_OK;
630
631 case RAW_SFILEINFO_MODE_INFORMATION:
632 BLOB_CHECK_MIN_SIZE(blob, 4);
633
634 st->mode_information.in.mode = IVAL(blob->data, 0);
635
636 return NT_STATUS_OK;
637
638 default:
639 return NT_STATUS_INVALID_LEVEL;
640 }
641
642 return NT_STATUS_INVALID_LEVEL;
643}
644
645/*
646 fill a single entry in a trans2 find reply
647*/
648NTSTATUS smbsrv_push_passthru_search(TALLOC_CTX *mem_ctx,
649 DATA_BLOB *blob,
650 enum smb_search_data_level level,
651 const union smb_search_data *file,
652 int default_str_flags)
653{
654 uint8_t *data;
655 uint_t ofs = blob->length;
656
657 switch (level) {
658 case RAW_SEARCH_DATA_DIRECTORY_INFO:
659 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, ofs + 64));
660 data = blob->data + ofs;
661 SIVAL(data, 4, file->directory_info.file_index);
662 push_nttime(data, 8, file->directory_info.create_time);
663 push_nttime(data, 16, file->directory_info.access_time);
664 push_nttime(data, 24, file->directory_info.write_time);
665 push_nttime(data, 32, file->directory_info.change_time);
666 SBVAL(data, 40, file->directory_info.size);
667 SBVAL(data, 48, file->directory_info.alloc_size);
668 SIVAL(data, 56, file->directory_info.attrib);
669 BLOB_CHECK(smbsrv_blob_append_string(mem_ctx, blob, file->directory_info.name.s,
670 ofs + 60, default_str_flags,
671 STR_TERMINATE_ASCII));
672 BLOB_ALIGN(blob, 8);
673 data = blob->data + ofs;
674 SIVAL(data, 0, blob->length - ofs);
675 return NT_STATUS_OK;
676
677 case RAW_SEARCH_DATA_FULL_DIRECTORY_INFO:
678 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, ofs + 68));
679 data = blob->data + ofs;
680 SIVAL(data, 4, file->full_directory_info.file_index);
681 push_nttime(data, 8, file->full_directory_info.create_time);
682 push_nttime(data, 16, file->full_directory_info.access_time);
683 push_nttime(data, 24, file->full_directory_info.write_time);
684 push_nttime(data, 32, file->full_directory_info.change_time);
685 SBVAL(data, 40, file->full_directory_info.size);
686 SBVAL(data, 48, file->full_directory_info.alloc_size);
687 SIVAL(data, 56, file->full_directory_info.attrib);
688 SIVAL(data, 64, file->full_directory_info.ea_size);
689 BLOB_CHECK(smbsrv_blob_append_string(mem_ctx, blob, file->full_directory_info.name.s,
690 ofs + 60, default_str_flags,
691 STR_TERMINATE_ASCII));
692 BLOB_ALIGN(blob, 8);
693 data = blob->data + ofs;
694 SIVAL(data, 0, blob->length - ofs);
695 return NT_STATUS_OK;
696
697 case RAW_SEARCH_DATA_NAME_INFO:
698 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, ofs + 12));
699 data = blob->data + ofs;
700 SIVAL(data, 4, file->name_info.file_index);
701 BLOB_CHECK(smbsrv_blob_append_string(mem_ctx, blob, file->name_info.name.s,
702 ofs + 8, default_str_flags,
703 STR_TERMINATE_ASCII));
704 BLOB_ALIGN(blob, 8);
705 data = blob->data + ofs;
706 SIVAL(data, 0, blob->length - ofs);
707 return NT_STATUS_OK;
708
709 case RAW_SEARCH_DATA_BOTH_DIRECTORY_INFO:
710 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, ofs + 94));
711 data = blob->data + ofs;
712 SIVAL(data, 4, file->both_directory_info.file_index);
713 push_nttime(data, 8, file->both_directory_info.create_time);
714 push_nttime(data, 16, file->both_directory_info.access_time);
715 push_nttime(data, 24, file->both_directory_info.write_time);
716 push_nttime(data, 32, file->both_directory_info.change_time);
717 SBVAL(data, 40, file->both_directory_info.size);
718 SBVAL(data, 48, file->both_directory_info.alloc_size);
719 SIVAL(data, 56, file->both_directory_info.attrib);
720 SIVAL(data, 64, file->both_directory_info.ea_size);
721 SCVAL(data, 69, 0); /* reserved */
722 memset(data+70,0,24);
723 smbsrv_blob_push_string(mem_ctx, blob,
724 68 + ofs, 70 + ofs,
725 file->both_directory_info.short_name.s,
726 24, default_str_flags,
727 STR_UNICODE | STR_LEN8BIT);
728 BLOB_CHECK(smbsrv_blob_append_string(mem_ctx, blob, file->both_directory_info.name.s,
729 ofs + 60, default_str_flags,
730 STR_TERMINATE_ASCII));
731 BLOB_ALIGN(blob, 8);
732 data = blob->data + ofs;
733 SIVAL(data, 0, blob->length - ofs);
734 return NT_STATUS_OK;
735
736 case RAW_SEARCH_DATA_ID_FULL_DIRECTORY_INFO:
737 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, ofs + 80));
738 data = blob->data + ofs;
739 SIVAL(data, 4, file->id_full_directory_info.file_index);
740 push_nttime(data, 8, file->id_full_directory_info.create_time);
741 push_nttime(data, 16, file->id_full_directory_info.access_time);
742 push_nttime(data, 24, file->id_full_directory_info.write_time);
743 push_nttime(data, 32, file->id_full_directory_info.change_time);
744 SBVAL(data, 40, file->id_full_directory_info.size);
745 SBVAL(data, 48, file->id_full_directory_info.alloc_size);
746 SIVAL(data, 56, file->id_full_directory_info.attrib);
747 SIVAL(data, 64, file->id_full_directory_info.ea_size);
748 SIVAL(data, 68, 0); /* padding */
749 SBVAL(data, 72, file->id_full_directory_info.file_id);
750 BLOB_CHECK(smbsrv_blob_append_string(mem_ctx, blob, file->id_full_directory_info.name.s,
751 ofs + 60, default_str_flags,
752 STR_TERMINATE_ASCII));
753 BLOB_ALIGN(blob, 8);
754 data = blob->data + ofs;
755 SIVAL(data, 0, blob->length - ofs);
756 return NT_STATUS_OK;
757
758 case RAW_SEARCH_DATA_ID_BOTH_DIRECTORY_INFO:
759 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, ofs + 104));
760 data = blob->data + ofs;
761 SIVAL(data, 4, file->id_both_directory_info.file_index);
762 push_nttime(data, 8, file->id_both_directory_info.create_time);
763 push_nttime(data, 16, file->id_both_directory_info.access_time);
764 push_nttime(data, 24, file->id_both_directory_info.write_time);
765 push_nttime(data, 32, file->id_both_directory_info.change_time);
766 SBVAL(data, 40, file->id_both_directory_info.size);
767 SBVAL(data, 48, file->id_both_directory_info.alloc_size);
768 SIVAL(data, 56, file->id_both_directory_info.attrib);
769 SIVAL(data, 64, file->id_both_directory_info.ea_size);
770 SCVAL(data, 69, 0); /* reserved */
771 memset(data+70,0,26);
772 smbsrv_blob_push_string(mem_ctx, blob,
773 68 + ofs, 70 + ofs,
774 file->id_both_directory_info.short_name.s,
775 24, default_str_flags,
776 STR_UNICODE | STR_LEN8BIT);
777 SBVAL(data, 96, file->id_both_directory_info.file_id);
778 BLOB_CHECK(smbsrv_blob_append_string(mem_ctx, blob, file->id_both_directory_info.name.s,
779 ofs + 60, default_str_flags,
780 STR_TERMINATE_ASCII));
781 BLOB_ALIGN(blob, 8);
782 data = blob->data + ofs;
783 SIVAL(data, 0, blob->length - ofs);
784 return NT_STATUS_OK;
785
786 default:
787 return NT_STATUS_INVALID_LEVEL;
788 }
789
790 return NT_STATUS_INVALID_LEVEL;
791}
Note: See TracBrowser for help on using the repository browser.