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doc-xml/smbdotconf: fix server [min|max] protocol documentation
[Samba/gebeck_regimport.git] / source4 / smb_server / blob.c
bloba3e11239b1a53233669e7cebe6ecdcad5bd663d1
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 */
49 NTSTATUS 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 */
64 NTSTATUS 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 */
79 size_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 */
103 static ssize_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 if (ret == -1) {
146 return -1;
147 }
148
149 /* sometimes the string needs to be terminated, but the length
150 on the wire must not include the termination! */
151 pkt_len = ret;
152
153 if ((flags & STR_LEN_NOTERM) && (flags & STR_TERMINATE)) {
154 if ((flags & STR_UNICODE) && ret >= 2) {
155 pkt_len = ret-2;
156 }
157 if ((flags & STR_ASCII) && ret >= 1) {
158 pkt_len = ret-1;
159 }
160 }
161
162 if (flags & STR_LEN8BIT) {
163 SCVAL(blob->data, len_offset, pkt_len);
164 } else {
165 SIVAL(blob->data, len_offset, pkt_len);
166 }
167
168 return ret + alignment;
169 }
170
171 /*
172 append a string to the data section of a trans2 reply
173 len_offset points to the place in the packet where the length field
174 should go
175 */
176 NTSTATUS smbsrv_blob_append_string(TALLOC_CTX *mem_ctx,
177 DATA_BLOB *blob,
178 const char *str,
179 unsigned int len_offset,
180 int default_flags,
181 int flags)
182 {
183 ssize_t ret;
184 uint32_t offset;
185 const int max_bytes_per_char = 3;
186
187 offset = blob->length;
188 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, offset + (2+strlen_m(str))*max_bytes_per_char));
189 ret = smbsrv_blob_push_string(mem_ctx, blob, len_offset, offset, str, -1, default_flags, flags);
190 if (ret < 0) {
191 return NT_STATUS_FOOBAR;
192 }
193 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, offset + ret));
194 return NT_STATUS_OK;
195 }
196
197 NTSTATUS smbsrv_push_passthru_fsinfo(TALLOC_CTX *mem_ctx,
198 DATA_BLOB *blob,
199 enum smb_fsinfo_level level,
200 union smb_fsinfo *fsinfo,
201 int default_str_flags)
202 {
203 unsigned int i;
204 DATA_BLOB guid_blob;
205
206 switch (level) {
207 case RAW_QFS_VOLUME_INFORMATION:
208 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 18));
209
210 push_nttime(blob->data, 0, fsinfo->volume_info.out.create_time);
211 SIVAL(blob->data, 8, fsinfo->volume_info.out.serial_number);
212 SSVAL(blob->data, 16, 0); /* padding */
213 BLOB_CHECK(smbsrv_blob_append_string(mem_ctx, blob,
214 fsinfo->volume_info.out.volume_name.s,
215 12, default_str_flags,
216 STR_UNICODE));
217
218 return NT_STATUS_OK;
219
220 case RAW_QFS_SIZE_INFORMATION:
221 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 24));
222
223 SBVAL(blob->data, 0, fsinfo->size_info.out.total_alloc_units);
224 SBVAL(blob->data, 8, fsinfo->size_info.out.avail_alloc_units);
225 SIVAL(blob->data, 16, fsinfo->size_info.out.sectors_per_unit);
226 SIVAL(blob->data, 20, fsinfo->size_info.out.bytes_per_sector);
227
228 return NT_STATUS_OK;
229
230 case RAW_QFS_DEVICE_INFORMATION:
231 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 8));
232
233 SIVAL(blob->data, 0, fsinfo->device_info.out.device_type);
234 SIVAL(blob->data, 4, fsinfo->device_info.out.characteristics);
235
236 return NT_STATUS_OK;
237
238 case RAW_QFS_ATTRIBUTE_INFORMATION:
239 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 12));
240
241 SIVAL(blob->data, 0, fsinfo->attribute_info.out.fs_attr);
242 SIVAL(blob->data, 4, fsinfo->attribute_info.out.max_file_component_length);
243 /* this must not be null terminated or win98 gets
244 confused! also note that w2k3 returns this as
245 unicode even when ascii is negotiated */
246 BLOB_CHECK(smbsrv_blob_append_string(mem_ctx, blob,
247 fsinfo->attribute_info.out.fs_type.s,
248 8, default_str_flags,
249 STR_UNICODE));
250 return NT_STATUS_OK;
251
252
253 case RAW_QFS_QUOTA_INFORMATION:
254 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 48));
255
256 SBVAL(blob->data, 0, fsinfo->quota_information.out.unknown[0]);
257 SBVAL(blob->data, 8, fsinfo->quota_information.out.unknown[1]);
258 SBVAL(blob->data, 16, fsinfo->quota_information.out.unknown[2]);
259 SBVAL(blob->data, 24, fsinfo->quota_information.out.quota_soft);
260 SBVAL(blob->data, 32, fsinfo->quota_information.out.quota_hard);
261 SBVAL(blob->data, 40, fsinfo->quota_information.out.quota_flags);
262
263 return NT_STATUS_OK;
264
265
266 case RAW_QFS_FULL_SIZE_INFORMATION:
267 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 32));
268
269 SBVAL(blob->data, 0, fsinfo->full_size_information.out.total_alloc_units);
270 SBVAL(blob->data, 8, fsinfo->full_size_information.out.call_avail_alloc_units);
271 SBVAL(blob->data, 16, fsinfo->full_size_information.out.actual_avail_alloc_units);
272 SIVAL(blob->data, 24, fsinfo->full_size_information.out.sectors_per_unit);
273 SIVAL(blob->data, 28, fsinfo->full_size_information.out.bytes_per_sector);
274
275 return NT_STATUS_OK;
276
277 case RAW_QFS_OBJECTID_INFORMATION: {
278 NTSTATUS status;
279
280 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 64));
281
282 status = GUID_to_ndr_blob(&fsinfo->objectid_information.out.guid, mem_ctx, &guid_blob);
283 if (!NT_STATUS_IS_OK(status)) {
284 BLOB_CHECK(status);
285 }
286
287 memcpy(blob->data, guid_blob.data, guid_blob.length);
288
289 for (i=0;i<6;i++) {
290 SBVAL(blob->data, 16 + 8*i, fsinfo->objectid_information.out.unknown[i]);
291 }
292
293 return NT_STATUS_OK;
294 }
295 default:
296 return NT_STATUS_INVALID_LEVEL;
297 }
298 }
299
300 NTSTATUS smbsrv_push_passthru_fileinfo(TALLOC_CTX *mem_ctx,
301 DATA_BLOB *blob,
302 enum smb_fileinfo_level level,
303 union smb_fileinfo *st,
304 int default_str_flags)
305 {
306 unsigned int i;
307 size_t list_size;
308
309 switch (level) {
310 case RAW_FILEINFO_BASIC_INFORMATION:
311 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 40));
312
313 push_nttime(blob->data, 0, st->basic_info.out.create_time);
314 push_nttime(blob->data, 8, st->basic_info.out.access_time);
315 push_nttime(blob->data, 16, st->basic_info.out.write_time);
316 push_nttime(blob->data, 24, st->basic_info.out.change_time);
317 SIVAL(blob->data, 32, st->basic_info.out.attrib);
318 SIVAL(blob->data, 36, 0); /* padding */
319 return NT_STATUS_OK;
320
321 case RAW_FILEINFO_NETWORK_OPEN_INFORMATION:
322 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 56));
323
324 push_nttime(blob->data, 0, st->network_open_information.out.create_time);
325 push_nttime(blob->data, 8, st->network_open_information.out.access_time);
326 push_nttime(blob->data, 16, st->network_open_information.out.write_time);
327 push_nttime(blob->data, 24, st->network_open_information.out.change_time);
328 SBVAL(blob->data, 32, st->network_open_information.out.alloc_size);
329 SBVAL(blob->data, 40, st->network_open_information.out.size);
330 SIVAL(blob->data, 48, st->network_open_information.out.attrib);
331 SIVAL(blob->data, 52, 0); /* padding */
332 return NT_STATUS_OK;
333
334 case RAW_FILEINFO_STANDARD_INFORMATION:
335 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 24));
336
337 SBVAL(blob->data, 0, st->standard_info.out.alloc_size);
338 SBVAL(blob->data, 8, st->standard_info.out.size);
339 SIVAL(blob->data, 16, st->standard_info.out.nlink);
340 SCVAL(blob->data, 20, st->standard_info.out.delete_pending);
341 SCVAL(blob->data, 21, st->standard_info.out.directory);
342 SSVAL(blob->data, 22, 0); /* padding */
343 return NT_STATUS_OK;
344
345 case RAW_FILEINFO_ATTRIBUTE_TAG_INFORMATION:
346 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 8));
347
348 SIVAL(blob->data, 0, st->attribute_tag_information.out.attrib);
349 SIVAL(blob->data, 4, st->attribute_tag_information.out.reparse_tag);
350 return NT_STATUS_OK;
351
352 case RAW_FILEINFO_EA_INFORMATION:
353 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 4));
354
355 SIVAL(blob->data, 0, st->ea_info.out.ea_size);
356 return NT_STATUS_OK;
357
358 case RAW_FILEINFO_MODE_INFORMATION:
359 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 4));
360
361 SIVAL(blob->data, 0, st->mode_information.out.mode);
362 return NT_STATUS_OK;
363
364 case RAW_FILEINFO_ALIGNMENT_INFORMATION:
365 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 4));
366
367 SIVAL(blob->data, 0,
368 st->alignment_information.out.alignment_requirement);
369 return NT_STATUS_OK;
370
371 case RAW_FILEINFO_ACCESS_INFORMATION:
372 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 4));
373
374 SIVAL(blob->data, 0, st->access_information.out.access_flags);
375 return NT_STATUS_OK;
376
377 case RAW_FILEINFO_POSITION_INFORMATION:
378 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 8));
379
380 SBVAL(blob->data, 0, st->position_information.out.position);
381 return NT_STATUS_OK;
382
383 case RAW_FILEINFO_COMPRESSION_INFORMATION:
384 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 16));
385
386 SBVAL(blob->data, 0, st->compression_info.out.compressed_size);
387 SSVAL(blob->data, 8, st->compression_info.out.format);
388 SCVAL(blob->data, 10, st->compression_info.out.unit_shift);
389 SCVAL(blob->data, 11, st->compression_info.out.chunk_shift);
390 SCVAL(blob->data, 12, st->compression_info.out.cluster_shift);
391 SSVAL(blob->data, 13, 0); /* 3 bytes padding */
392 SCVAL(blob->data, 15, 0);
393 return NT_STATUS_OK;
394
395 case RAW_FILEINFO_INTERNAL_INFORMATION:
396 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 8));
397
398 SBVAL(blob->data, 0, st->internal_information.out.file_id);
399 return NT_STATUS_OK;
400
401 case RAW_FILEINFO_ALL_INFORMATION:
402 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 72));
403
404 push_nttime(blob->data, 0, st->all_info.out.create_time);
405 push_nttime(blob->data, 8, st->all_info.out.access_time);
406 push_nttime(blob->data, 16, st->all_info.out.write_time);
407 push_nttime(blob->data, 24, st->all_info.out.change_time);
408 SIVAL(blob->data, 32, st->all_info.out.attrib);
409 SIVAL(blob->data, 36, 0); /* padding */
410 SBVAL(blob->data, 40, st->all_info.out.alloc_size);
411 SBVAL(blob->data, 48, st->all_info.out.size);
412 SIVAL(blob->data, 56, st->all_info.out.nlink);
413 SCVAL(blob->data, 60, st->all_info.out.delete_pending);
414 SCVAL(blob->data, 61, st->all_info.out.directory);
415 SSVAL(blob->data, 62, 0); /* padding */
416 SIVAL(blob->data, 64, st->all_info.out.ea_size);
417 BLOB_CHECK(smbsrv_blob_append_string(mem_ctx, blob,
418 st->all_info.out.fname.s,
419 68, default_str_flags,
420 STR_UNICODE));
421 return NT_STATUS_OK;
422
423 case RAW_FILEINFO_NAME_INFORMATION:
424 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 4));
425
426 BLOB_CHECK(smbsrv_blob_append_string(mem_ctx, blob,
427 st->name_info.out.fname.s,
428 0, default_str_flags,
429 STR_UNICODE));
430 return NT_STATUS_OK;
431
432 case RAW_FILEINFO_ALT_NAME_INFORMATION:
433 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 4));
434
435 BLOB_CHECK(smbsrv_blob_append_string(mem_ctx, blob,
436 st->alt_name_info.out.fname.s,
437 0, default_str_flags,
438 STR_UNICODE));
439 return NT_STATUS_OK;
440
441 case RAW_FILEINFO_STREAM_INFORMATION:
442 for (i=0;i<st->stream_info.out.num_streams;i++) {
443 uint32_t data_size = blob->length;
444 uint8_t *data;
445
446 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, data_size + 24));
447 data = blob->data + data_size;
448 SBVAL(data, 8, st->stream_info.out.streams[i].size);
449 SBVAL(data, 16, st->stream_info.out.streams[i].alloc_size);
450 BLOB_CHECK(smbsrv_blob_append_string(mem_ctx, blob,
451 st->stream_info.out.streams[i].stream_name.s,
452 data_size + 4, default_str_flags,
453 STR_UNICODE));
454 if (i == st->stream_info.out.num_streams - 1) {
455 SIVAL(blob->data, data_size, 0);
456 } else {
457 BLOB_CHECK(smbsrv_blob_fill_data(mem_ctx, blob, (blob->length+7)&~7));
458 SIVAL(blob->data, data_size,
459 blob->length - data_size);
460 }
461 }
462 return NT_STATUS_OK;
463
464 case RAW_FILEINFO_SMB2_ALL_EAS:
465 /* if no eas are returned the backend should
466 * have returned NO_EAS_ON_FILE or NO_MORE_EAS
467 *
468 * so it's a programmer error if num_eas == 0
469 */
470 if (st->all_eas.out.num_eas == 0) {
471 smb_panic("0 eas for SMB2_ALL_EAS - programmer error in ntvfs backend");
472 }
473
474 list_size = ea_list_size_chained(st->all_eas.out.num_eas,
475 st->all_eas.out.eas, 4);
476 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, list_size));
477
478 ea_put_list_chained(blob->data,
479 st->all_eas.out.num_eas,
480 st->all_eas.out.eas, 4);
481 return NT_STATUS_OK;
482
483 case RAW_FILEINFO_SMB2_ALL_INFORMATION:
484 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, 0x64));
485
486 push_nttime(blob->data, 0x00, st->all_info2.out.create_time);
487 push_nttime(blob->data, 0x08, st->all_info2.out.access_time);
488 push_nttime(blob->data, 0x10, st->all_info2.out.write_time);
489 push_nttime(blob->data, 0x18, st->all_info2.out.change_time);
490 SIVAL(blob->data, 0x20, st->all_info2.out.attrib);
491 SIVAL(blob->data, 0x24, st->all_info2.out.unknown1);
492 SBVAL(blob->data, 0x28, st->all_info2.out.alloc_size);
493 SBVAL(blob->data, 0x30, st->all_info2.out.size);
494 SIVAL(blob->data, 0x38, st->all_info2.out.nlink);
495 SCVAL(blob->data, 0x3C, st->all_info2.out.delete_pending);
496 SCVAL(blob->data, 0x3D, st->all_info2.out.directory);
497 SSVAL(blob->data, 0x3E, 0); /* padding */
498 SBVAL(blob->data, 0x40, st->all_info2.out.file_id);
499 SIVAL(blob->data, 0x48, st->all_info2.out.ea_size);
500 SIVAL(blob->data, 0x4C, st->all_info2.out.access_mask);
501 SBVAL(blob->data, 0x50, st->all_info2.out.position);
502 SIVAL(blob->data, 0x58, st->all_info2.out.mode);
503 SIVAL(blob->data, 0x5C, st->all_info2.out.alignment_requirement);
504 BLOB_CHECK(smbsrv_blob_append_string(mem_ctx, blob,
505 st->all_info2.out.fname.s,
506 0x60, default_str_flags,
507 STR_UNICODE));
508 return NT_STATUS_OK;
509
510 default:
511 return NT_STATUS_INVALID_LEVEL;
512 }
513 }
514
515 NTSTATUS smbsrv_pull_passthru_sfileinfo(TALLOC_CTX *mem_ctx,
516 enum smb_setfileinfo_level level,
517 union smb_setfileinfo *st,
518 const DATA_BLOB *blob,
519 int default_str_flags,
520 struct request_bufinfo *bufinfo)
521 {
522 uint32_t len, ofs;
523 DATA_BLOB str_blob;
524
525 switch (level) {
526 case SMB_SFILEINFO_BASIC_INFORMATION:
527 BLOB_CHECK_MIN_SIZE(blob, 40);
528
529 st->basic_info.in.create_time = pull_nttime(blob->data, 0);
530 st->basic_info.in.access_time = pull_nttime(blob->data, 8);
531 st->basic_info.in.write_time = pull_nttime(blob->data, 16);
532 st->basic_info.in.change_time = pull_nttime(blob->data, 24);
533 st->basic_info.in.attrib = IVAL(blob->data, 32);
534 st->basic_info.in.reserved = IVAL(blob->data, 36);
535
536 return NT_STATUS_OK;
537
538 case SMB_SFILEINFO_DISPOSITION_INFORMATION:
539 BLOB_CHECK_MIN_SIZE(blob, 1);
540
541 st->disposition_info.in.delete_on_close = CVAL(blob->data, 0);
542
543 return NT_STATUS_OK;
544
545 case SMB_SFILEINFO_ALLOCATION_INFORMATION:
546 BLOB_CHECK_MIN_SIZE(blob, 8);
547
548 st->allocation_info.in.alloc_size = BVAL(blob->data, 0);
549
550 return NT_STATUS_OK;
551
552 case RAW_SFILEINFO_END_OF_FILE_INFORMATION:
553 BLOB_CHECK_MIN_SIZE(blob, 8);
554
555 st->end_of_file_info.in.size = BVAL(blob->data, 0);
556
557 return NT_STATUS_OK;
558
559 case RAW_SFILEINFO_RENAME_INFORMATION:
560 if (!bufinfo) {
561 return NT_STATUS_INTERNAL_ERROR;
562 }
563 BLOB_CHECK_MIN_SIZE(blob, 12);
564 st->rename_information.in.overwrite = CVAL(blob->data, 0);
565 st->rename_information.in.root_fid = IVAL(blob->data, 4);
566 len = IVAL(blob->data, 8);
567 ofs = 12;
568 str_blob = *blob;
569 str_blob.length = MIN(str_blob.length, ofs+len);
570 smbsrv_blob_pull_string(bufinfo, &str_blob, ofs,
571 &st->rename_information.in.new_name,
572 STR_UNICODE);
573 if (st->rename_information.in.new_name == NULL) {
574 return NT_STATUS_FOOBAR;
575 }
576
577 return NT_STATUS_OK;
578
579
580 case RAW_SFILEINFO_LINK_INFORMATION:
581 if (!bufinfo) {
582 return NT_STATUS_INTERNAL_ERROR;
583 }
584 BLOB_CHECK_MIN_SIZE(blob, 20);
585 st->link_information.in.overwrite = CVAL(blob->data, 0);
586 st->link_information.in.root_fid = IVAL(blob->data, 8);
587 len = IVAL(blob->data, 16);
588 ofs = 20;
589 str_blob = *blob;
590 str_blob.length = MIN(str_blob.length, ofs+len);
591 smbsrv_blob_pull_string(bufinfo, &str_blob, ofs,
592 &st->link_information.in.new_name,
593 STR_UNICODE);
594 if (st->link_information.in.new_name == NULL) {
595 return NT_STATUS_FOOBAR;
596 }
597
598 return NT_STATUS_OK;
599
600 case RAW_SFILEINFO_RENAME_INFORMATION_SMB2:
601 /* SMB2 uses a different format for rename information */
602 if (!bufinfo) {
603 return NT_STATUS_INTERNAL_ERROR;
604 }
605 BLOB_CHECK_MIN_SIZE(blob, 20);
606 st->rename_information.in.overwrite = CVAL(blob->data, 0);
607 st->rename_information.in.root_fid = BVAL(blob->data, 8);
608 len = IVAL(blob->data,16);
609 ofs = 20;
610 str_blob = *blob;
611 str_blob.length = MIN(str_blob.length, ofs+len);
612 smbsrv_blob_pull_string(bufinfo, &str_blob, ofs,
613 &st->rename_information.in.new_name,
614 STR_UNICODE);
615 if (st->rename_information.in.new_name == NULL) {
616 return NT_STATUS_FOOBAR;
617 }
618
619 return NT_STATUS_OK;
620
621 case RAW_SFILEINFO_POSITION_INFORMATION:
622 BLOB_CHECK_MIN_SIZE(blob, 8);
623
624 st->position_information.in.position = BVAL(blob->data, 0);
625
626 return NT_STATUS_OK;
627
628 case RAW_SFILEINFO_FULL_EA_INFORMATION:
629 return ea_pull_list_chained(blob,
630 mem_ctx,
631 &st->full_ea_information.in.eas.num_eas,
632 &st->full_ea_information.in.eas.eas);
633
634 case RAW_SFILEINFO_MODE_INFORMATION:
635 BLOB_CHECK_MIN_SIZE(blob, 4);
636
637 st->mode_information.in.mode = IVAL(blob->data, 0);
638
639 return NT_STATUS_OK;
640
641 default:
642 return NT_STATUS_INVALID_LEVEL;
643 }
644 }
645
646 /*
647 fill a single entry in a trans2 find reply
648 */
649 NTSTATUS smbsrv_push_passthru_search(TALLOC_CTX *mem_ctx,
650 DATA_BLOB *blob,
651 enum smb_search_data_level level,
652 const union smb_search_data *file,
653 int default_str_flags)
654 {
655 uint8_t *data;
656 unsigned int ofs = blob->length;
657
658 switch (level) {
659 case RAW_SEARCH_DATA_DIRECTORY_INFO:
660 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, ofs + 64));
661 data = blob->data + ofs;
662 SIVAL(data, 4, file->directory_info.file_index);
663 push_nttime(data, 8, file->directory_info.create_time);
664 push_nttime(data, 16, file->directory_info.access_time);
665 push_nttime(data, 24, file->directory_info.write_time);
666 push_nttime(data, 32, file->directory_info.change_time);
667 SBVAL(data, 40, file->directory_info.size);
668 SBVAL(data, 48, file->directory_info.alloc_size);
669 SIVAL(data, 56, file->directory_info.attrib);
670 BLOB_CHECK(smbsrv_blob_append_string(mem_ctx, blob, file->directory_info.name.s,
671 ofs + 60, default_str_flags,
672 STR_TERMINATE_ASCII));
673 BLOB_ALIGN(blob, 8);
674 data = blob->data + ofs;
675 SIVAL(data, 0, blob->length - ofs);
676 return NT_STATUS_OK;
677
678 case RAW_SEARCH_DATA_FULL_DIRECTORY_INFO:
679 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, ofs + 68));
680 data = blob->data + ofs;
681 SIVAL(data, 4, file->full_directory_info.file_index);
682 push_nttime(data, 8, file->full_directory_info.create_time);
683 push_nttime(data, 16, file->full_directory_info.access_time);
684 push_nttime(data, 24, file->full_directory_info.write_time);
685 push_nttime(data, 32, file->full_directory_info.change_time);
686 SBVAL(data, 40, file->full_directory_info.size);
687 SBVAL(data, 48, file->full_directory_info.alloc_size);
688 SIVAL(data, 56, file->full_directory_info.attrib);
689 SIVAL(data, 64, file->full_directory_info.ea_size);
690 BLOB_CHECK(smbsrv_blob_append_string(mem_ctx, blob, file->full_directory_info.name.s,
691 ofs + 60, default_str_flags,
692 STR_TERMINATE_ASCII));
693 BLOB_ALIGN(blob, 8);
694 data = blob->data + ofs;
695 SIVAL(data, 0, blob->length - ofs);
696 return NT_STATUS_OK;
697
698 case RAW_SEARCH_DATA_NAME_INFO:
699 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, ofs + 12));
700 data = blob->data + ofs;
701 SIVAL(data, 4, file->name_info.file_index);
702 BLOB_CHECK(smbsrv_blob_append_string(mem_ctx, blob, file->name_info.name.s,
703 ofs + 8, default_str_flags,
704 STR_TERMINATE_ASCII));
705 BLOB_ALIGN(blob, 8);
706 data = blob->data + ofs;
707 SIVAL(data, 0, blob->length - ofs);
708 return NT_STATUS_OK;
709
710 case RAW_SEARCH_DATA_BOTH_DIRECTORY_INFO:
711 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, ofs + 94));
712 data = blob->data + ofs;
713 SIVAL(data, 4, file->both_directory_info.file_index);
714 push_nttime(data, 8, file->both_directory_info.create_time);
715 push_nttime(data, 16, file->both_directory_info.access_time);
716 push_nttime(data, 24, file->both_directory_info.write_time);
717 push_nttime(data, 32, file->both_directory_info.change_time);
718 SBVAL(data, 40, file->both_directory_info.size);
719 SBVAL(data, 48, file->both_directory_info.alloc_size);
720 SIVAL(data, 56, file->both_directory_info.attrib);
721 SIVAL(data, 64, file->both_directory_info.ea_size);
722 SCVAL(data, 69, 0); /* reserved */
723 memset(data+70,0,24);
724 smbsrv_blob_push_string(mem_ctx, blob,
725 68 + ofs, 70 + ofs,
726 file->both_directory_info.short_name.s,
727 24, default_str_flags,
728 STR_UNICODE | STR_LEN8BIT);
729 BLOB_CHECK(smbsrv_blob_append_string(mem_ctx, blob, file->both_directory_info.name.s,
730 ofs + 60, default_str_flags,
731 STR_TERMINATE_ASCII));
732 BLOB_ALIGN(blob, 8);
733 data = blob->data + ofs;
734 SIVAL(data, 0, blob->length - ofs);
735 return NT_STATUS_OK;
736
737 case RAW_SEARCH_DATA_ID_FULL_DIRECTORY_INFO:
738 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, ofs + 80));
739 data = blob->data + ofs;
740 SIVAL(data, 4, file->id_full_directory_info.file_index);
741 push_nttime(data, 8, file->id_full_directory_info.create_time);
742 push_nttime(data, 16, file->id_full_directory_info.access_time);
743 push_nttime(data, 24, file->id_full_directory_info.write_time);
744 push_nttime(data, 32, file->id_full_directory_info.change_time);
745 SBVAL(data, 40, file->id_full_directory_info.size);
746 SBVAL(data, 48, file->id_full_directory_info.alloc_size);
747 SIVAL(data, 56, file->id_full_directory_info.attrib);
748 SIVAL(data, 64, file->id_full_directory_info.ea_size);
749 SIVAL(data, 68, 0); /* padding */
750 SBVAL(data, 72, file->id_full_directory_info.file_id);
751 BLOB_CHECK(smbsrv_blob_append_string(mem_ctx, blob, file->id_full_directory_info.name.s,
752 ofs + 60, default_str_flags,
753 STR_TERMINATE_ASCII));
754 BLOB_ALIGN(blob, 8);
755 data = blob->data + ofs;
756 SIVAL(data, 0, blob->length - ofs);
757 return NT_STATUS_OK;
758
759 case RAW_SEARCH_DATA_ID_BOTH_DIRECTORY_INFO:
760 BLOB_CHECK(smbsrv_blob_grow_data(mem_ctx, blob, ofs + 104));
761 data = blob->data + ofs;
762 SIVAL(data, 4, file->id_both_directory_info.file_index);
763 push_nttime(data, 8, file->id_both_directory_info.create_time);
764 push_nttime(data, 16, file->id_both_directory_info.access_time);
765 push_nttime(data, 24, file->id_both_directory_info.write_time);
766 push_nttime(data, 32, file->id_both_directory_info.change_time);
767 SBVAL(data, 40, file->id_both_directory_info.size);
768 SBVAL(data, 48, file->id_both_directory_info.alloc_size);
769 SIVAL(data, 56, file->id_both_directory_info.attrib);
770 SIVAL(data, 64, file->id_both_directory_info.ea_size);
771 SCVAL(data, 69, 0); /* reserved */
772 memset(data+70,0,26);
773 smbsrv_blob_push_string(mem_ctx, blob,
774 68 + ofs, 70 + ofs,
775 file->id_both_directory_info.short_name.s,
776 24, default_str_flags,
777 STR_UNICODE | STR_LEN8BIT);
778 SBVAL(data, 96, file->id_both_directory_info.file_id);
779 BLOB_CHECK(smbsrv_blob_append_string(mem_ctx, blob, file->id_both_directory_info.name.s,
780 ofs + 60, default_str_flags,
781 STR_TERMINATE_ASCII));
782 BLOB_ALIGN(blob, 8);
783 data = blob->data + ofs;
784 SIVAL(data, 0, blob->length - ofs);
785 return NT_STATUS_OK;
786
787 default:
788 return NT_STATUS_INVALID_LEVEL;
789 }
790 }
reg import