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r2671: we're getting too many errors caused by the talloc_realloc() API not
[Samba/gebeck_regimport.git] / source4 / smb_server / trans2.c
blob34e79061df6184af29d7ad5f701876f751f38d65
1 /*
2 Unix SMB/CIFS implementation.
3 transaction2 handling
4 Copyright (C) Andrew Tridgell 2003
5
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
10
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
15
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
19 */
20 /*
21 This file handles the parsing of transact2 requests
22 */
23
24 #include "includes.h"
25
26
27 #define CHECK_MIN_BLOB_SIZE(blob, size) do { \
28 if ((blob)->length < (size)) { \
29 return NT_STATUS_INFO_LENGTH_MISMATCH; \
30 }} while (0)
31
32 /* grow the data allocation size of a trans2 reply - this guarantees
33 that requests to grow the data size later will not change the
34 pointer */
35 static void trans2_grow_data_allocation(struct smbsrv_request *req,
36 struct smb_trans2 *trans,
37 uint16_t new_size)
38 {
39 if (new_size <= trans->out.data.length) {
40 return;
41 }
42 trans->out.data.data = talloc_realloc(req, trans->out.data.data, new_size);
43 }
44
45
46 /* grow the data size of a trans2 reply */
47 static void trans2_grow_data(struct smbsrv_request *req,
48 struct smb_trans2 *trans,
49 uint16_t new_size)
50 {
51 trans2_grow_data_allocation(req, trans, new_size);
52 trans->out.data.length = new_size;
53 }
54
55 /* grow the data, zero filling any new bytes */
56 static void trans2_grow_data_fill(struct smbsrv_request *req,
57 struct smb_trans2 *trans,
58 uint16_t new_size)
59 {
60 uint16_t old_size = trans->out.data.length;
61 trans2_grow_data(req, trans, new_size);
62 if (new_size > old_size) {
63 memset(trans->out.data.data + old_size, 0, new_size - old_size);
64 }
65 }
66
67
68 /* setup a trans2 reply, given the data and params sizes */
69 static void trans2_setup_reply(struct smbsrv_request *req,
70 struct smb_trans2 *trans,
71 uint16_t param_size, uint16_t data_size,
72 uint16_t setup_count)
73 {
74 trans->out.setup_count = setup_count;
75 if (setup_count != 0) {
76 trans->out.setup = talloc_zero(req, sizeof(uint16_t) * setup_count);
77 }
78 trans->out.params = data_blob_talloc(req, NULL, param_size);
79 trans->out.data = data_blob_talloc(req, NULL, data_size);
80 }
81
82
83 /*
84 pull a string from a blob in a trans2 request
85 */
86 static size_t trans2_pull_blob_string(struct smbsrv_request *req,
87 const DATA_BLOB *blob,
88 uint16_t offset,
89 const char **str,
90 int flags)
91 {
92 /* we use STR_NO_RANGE_CHECK because the params are allocated
93 separately in a DATA_BLOB, so we need to do our own range
94 checking */
95 if (offset >= blob->length) {
96 *str = NULL;
97 return 0;
98 }
99
100 return req_pull_string(req, str,
101 blob->data + offset,
102 blob->length - offset,
103 STR_NO_RANGE_CHECK | flags);
104 }
105
106 /*
107 push a string into the data section of a trans2 request
108 return the number of bytes consumed in the output
109 */
110 static size_t trans2_push_data_string(struct smbsrv_request *req,
111 struct smb_trans2 *trans,
112 uint16_t len_offset,
113 uint16_t offset,
114 const WIRE_STRING *str,
115 int dest_len,
116 int flags)
117 {
118 int alignment = 0, ret = 0, pkt_len;
119
120 /* we use STR_NO_RANGE_CHECK because the params are allocated
121 separately in a DATA_BLOB, so we need to do our own range
122 checking */
123 if (!str->s || offset >= trans->out.data.length) {
124 if (flags & STR_LEN8BIT) {
125 SCVAL(trans->out.data.data, len_offset, 0);
126 } else {
127 SIVAL(trans->out.data.data, len_offset, 0);
128 }
129 return 0;
130 }
131
132 flags |= STR_NO_RANGE_CHECK;
133
134 if (dest_len == -1 || (dest_len > trans->out.data.length - offset)) {
135 dest_len = trans->out.data.length - offset;
136 }
137
138 if (!(flags & (STR_ASCII|STR_UNICODE))) {
139 flags |= (req->flags2 & FLAGS2_UNICODE_STRINGS) ? STR_UNICODE : STR_ASCII;
140 }
141
142 if ((offset&1) && (flags & STR_UNICODE) && !(flags & STR_NOALIGN)) {
143 alignment = 1;
144 if (dest_len > 0) {
145 SCVAL(trans->out.data.data + offset, 0, 0);
146 ret = push_string(trans->out.data.data + offset + 1, str->s, dest_len-1, flags);
147 }
148 } else {
149 ret = push_string(trans->out.data.data + offset, str->s, dest_len, flags);
150 }
151
152 /* sometimes the string needs to be terminated, but the length
153 on the wire must not include the termination! */
154 pkt_len = ret;
155
156 if ((flags & STR_LEN_NOTERM) && (flags & STR_TERMINATE)) {
157 if ((flags & STR_UNICODE) && ret >= 2) {
158 pkt_len = ret-2;
159 }
160 if ((flags & STR_ASCII) && ret >= 1) {
161 pkt_len = ret-1;
162 }
163 }
164
165 if (flags & STR_LEN8BIT) {
166 SCVAL(trans->out.data.data, len_offset, pkt_len);
167 } else {
168 SIVAL(trans->out.data.data, len_offset, pkt_len);
169 }
170
171 return ret + alignment;
172 }
173
174 /*
175 append a string to the data section of a trans2 reply
176 len_offset points to the place in the packet where the length field
177 should go
178 */
179 static void trans2_append_data_string(struct smbsrv_request *req,
180 struct smb_trans2 *trans,
181 const WIRE_STRING *str,
182 uint_t len_offset,
183 int flags)
184 {
185 size_t ret;
186 uint16_t offset;
187 const int max_bytes_per_char = 3;
188
189 offset = trans->out.data.length;
190 trans2_grow_data(req, trans, offset + (2+strlen_m(str->s))*max_bytes_per_char);
191 ret = trans2_push_data_string(req, trans, len_offset, offset, str, -1, flags);
192 trans2_grow_data(req, trans, offset + ret);
193 }
194
195
196 /*
197 trans2 qfsinfo implementation
198 */
199 static NTSTATUS trans2_qfsinfo(struct smbsrv_request *req, struct smb_trans2 *trans)
200 {
201 union smb_fsinfo fsinfo;
202 NTSTATUS status;
203 uint16_t level;
204 uint_t i;
205 DATA_BLOB guid_blob;
206
207 /* make sure we got enough parameters */
208 if (trans->in.params.length != 2) {
209 return NT_STATUS_FOOBAR;
210 }
211
212 level = SVAL(trans->in.params.data, 0);
213
214 switch (level) {
215 case SMB_QFS_ALLOCATION:
216 fsinfo.allocation.level = RAW_QFS_ALLOCATION;
217
218 status = req->tcon->ntvfs_ops->fsinfo(req, &fsinfo);
219 if (!NT_STATUS_IS_OK(status)) {
220 return status;
221 }
222
223 trans2_setup_reply(req, trans, 0, 18, 0);
224
225 SIVAL(trans->out.data.data, 0, fsinfo.allocation.out.fs_id);
226 SIVAL(trans->out.data.data, 4, fsinfo.allocation.out.sectors_per_unit);
227 SIVAL(trans->out.data.data, 8, fsinfo.allocation.out.total_alloc_units);
228 SIVAL(trans->out.data.data, 12, fsinfo.allocation.out.avail_alloc_units);
229 SSVAL(trans->out.data.data, 16, fsinfo.allocation.out.bytes_per_sector);
230
231 return NT_STATUS_OK;
232
233 case SMB_QFS_VOLUME:
234 fsinfo.volume.level = RAW_QFS_VOLUME;
235
236 status = req->tcon->ntvfs_ops->fsinfo(req, &fsinfo);
237 if (!NT_STATUS_IS_OK(status)) {
238 return status;
239 }
240
241 trans2_setup_reply(req, trans, 0, 5, 0);
242
243 SIVAL(trans->out.data.data, 0, fsinfo.volume.out.serial_number);
244 /* w2k3 implements this incorrectly for unicode - it
245 * leaves the last byte off the string */
246 trans2_append_data_string(req, trans,
247 &fsinfo.volume.out.volume_name,
248 4, STR_LEN8BIT|STR_NOALIGN);
249
250 return NT_STATUS_OK;
251
252 case SMB_QFS_VOLUME_INFO:
253 case SMB_QFS_VOLUME_INFORMATION:
254 fsinfo.volume_info.level = RAW_QFS_VOLUME_INFO;
255
256 status = req->tcon->ntvfs_ops->fsinfo(req, &fsinfo);
257 if (!NT_STATUS_IS_OK(status)) {
258 return status;
259 }
260
261 trans2_setup_reply(req, trans, 0, 18, 0);
262
263 push_nttime(trans->out.data.data, 0, fsinfo.volume_info.out.create_time);
264 SIVAL(trans->out.data.data, 8, fsinfo.volume_info.out.serial_number);
265 SSVAL(trans->out.data.data, 16, 0); /* padding */
266 trans2_append_data_string(req, trans,
267 &fsinfo.volume_info.out.volume_name,
268 12, STR_UNICODE);
269
270 return NT_STATUS_OK;
271
272 case SMB_QFS_SIZE_INFO:
273 case SMB_QFS_SIZE_INFORMATION:
274 fsinfo.size_info.level = RAW_QFS_SIZE_INFO;
275
276 status = req->tcon->ntvfs_ops->fsinfo(req, &fsinfo);
277 if (!NT_STATUS_IS_OK(status)) {
278 return status;
279 }
280
281 trans2_setup_reply(req, trans, 0, 24, 0);
282
283 SBVAL(trans->out.data.data, 0, fsinfo.size_info.out.total_alloc_units);
284 SBVAL(trans->out.data.data, 8, fsinfo.size_info.out.avail_alloc_units);
285 SIVAL(trans->out.data.data, 16, fsinfo.size_info.out.sectors_per_unit);
286 SIVAL(trans->out.data.data, 20, fsinfo.size_info.out.bytes_per_sector);
287
288 return NT_STATUS_OK;
289
290 case SMB_QFS_DEVICE_INFO:
291 case SMB_QFS_DEVICE_INFORMATION:
292 fsinfo.device_info.level = RAW_QFS_DEVICE_INFO;
293
294 status = req->tcon->ntvfs_ops->fsinfo(req, &fsinfo);
295 if (!NT_STATUS_IS_OK(status)) {
296 return status;
297 }
298 trans2_setup_reply(req, trans, 0, 8, 0);
299 SIVAL(trans->out.data.data, 0, fsinfo.device_info.out.device_type);
300 SIVAL(trans->out.data.data, 4, fsinfo.device_info.out.characteristics);
301 return NT_STATUS_OK;
302
303
304 case SMB_QFS_ATTRIBUTE_INFO:
305 case SMB_QFS_ATTRIBUTE_INFORMATION:
306 fsinfo.attribute_info.level = RAW_QFS_ATTRIBUTE_INFO;
307
308 status = req->tcon->ntvfs_ops->fsinfo(req, &fsinfo);
309 if (!NT_STATUS_IS_OK(status)) {
310 return status;
311 }
312
313 trans2_setup_reply(req, trans, 0, 12, 0);
314
315 SIVAL(trans->out.data.data, 0, fsinfo.attribute_info.out.fs_attr);
316 SIVAL(trans->out.data.data, 4, fsinfo.attribute_info.out.max_file_component_length);
317 /* this must not be null terminated or win98 gets
318 confused! also note that w2k3 returns this as
319 unicode even when ascii is negotiated */
320 trans2_append_data_string(req, trans,
321 &fsinfo.attribute_info.out.fs_type,
322 8, STR_UNICODE);
323 return NT_STATUS_OK;
324
325
326 case SMB_QFS_QUOTA_INFORMATION:
327 fsinfo.quota_information.level = RAW_QFS_QUOTA_INFORMATION;
328
329 status = req->tcon->ntvfs_ops->fsinfo(req, &fsinfo);
330 if (!NT_STATUS_IS_OK(status)) {
331 return status;
332 }
333
334 trans2_setup_reply(req, trans, 0, 48, 0);
335
336 SBVAL(trans->out.data.data, 0, fsinfo.quota_information.out.unknown[0]);
337 SBVAL(trans->out.data.data, 8, fsinfo.quota_information.out.unknown[1]);
338 SBVAL(trans->out.data.data, 16, fsinfo.quota_information.out.unknown[2]);
339 SBVAL(trans->out.data.data, 24, fsinfo.quota_information.out.quota_soft);
340 SBVAL(trans->out.data.data, 32, fsinfo.quota_information.out.quota_hard);
341 SBVAL(trans->out.data.data, 40, fsinfo.quota_information.out.quota_flags);
342
343 return NT_STATUS_OK;
344
345
346 case SMB_QFS_FULL_SIZE_INFORMATION:
347 fsinfo.full_size_information.level = RAW_QFS_FULL_SIZE_INFORMATION;
348
349 status = req->tcon->ntvfs_ops->fsinfo(req, &fsinfo);
350 if (!NT_STATUS_IS_OK(status)) {
351 return status;
352 }
353
354 trans2_setup_reply(req, trans, 0, 32, 0);
355
356 SBVAL(trans->out.data.data, 0, fsinfo.full_size_information.out.total_alloc_units);
357 SBVAL(trans->out.data.data, 8, fsinfo.full_size_information.out.call_avail_alloc_units);
358 SBVAL(trans->out.data.data, 16, fsinfo.full_size_information.out.actual_avail_alloc_units);
359 SIVAL(trans->out.data.data, 24, fsinfo.full_size_information.out.sectors_per_unit);
360 SIVAL(trans->out.data.data, 28, fsinfo.full_size_information.out.bytes_per_sector);
361
362 return NT_STATUS_OK;
363
364 case SMB_QFS_OBJECTID_INFORMATION:
365 fsinfo.objectid_information.level = RAW_QFS_OBJECTID_INFORMATION;
366
367 status = req->tcon->ntvfs_ops->fsinfo(req, &fsinfo);
368 if (!NT_STATUS_IS_OK(status)) {
369 return status;
370 }
371
372 trans2_setup_reply(req, trans, 0, 64, 0);
373
374 status = ndr_push_struct_blob(&guid_blob, req,
375 &fsinfo.objectid_information.out.guid,
376 (ndr_push_flags_fn_t)ndr_push_GUID);
377 if (!NT_STATUS_IS_OK(status)) {
378 return status;
379 }
380
381 memcpy(trans->out.data.data, guid_blob.data, GUID_SIZE);
382
383 for (i=0;i<6;i++) {
384 SBVAL(trans->out.data.data, 16 + 8*i, fsinfo.objectid_information.out.unknown[i]);
385 }
386 return NT_STATUS_OK;
387 }
388
389 return NT_STATUS_INVALID_LEVEL;
390 }
391
392 /*
393 fill in the reply from a qpathinfo or qfileinfo call
394 */
395 static NTSTATUS trans2_fileinfo_fill(struct smbsrv_request *req, struct smb_trans2 *trans,
396 union smb_fileinfo *st)
397 {
398 uint_t i;
399
400 switch (st->generic.level) {
401 case RAW_FILEINFO_GENERIC:
402 case RAW_FILEINFO_GETATTR:
403 case RAW_FILEINFO_GETATTRE:
404 /* handled elsewhere */
405 return NT_STATUS_INVALID_LEVEL;
406
407 case RAW_FILEINFO_BASIC_INFO:
408 case RAW_FILEINFO_BASIC_INFORMATION:
409 trans2_setup_reply(req, trans, 2, 40, 0);
410
411 SSVAL(trans->out.params.data, 0, 0);
412 push_nttime(trans->out.data.data, 0, st->basic_info.out.create_time);
413 push_nttime(trans->out.data.data, 8, st->basic_info.out.access_time);
414 push_nttime(trans->out.data.data, 16, st->basic_info.out.write_time);
415 push_nttime(trans->out.data.data, 24, st->basic_info.out.change_time);
416 SIVAL(trans->out.data.data, 32, st->basic_info.out.attrib);
417 SIVAL(trans->out.data.data, 36, 0); /* padding */
418 return NT_STATUS_OK;
419
420 case RAW_FILEINFO_STANDARD:
421 trans2_setup_reply(req, trans, 2, 22, 0);
422
423 SSVAL(trans->out.params.data, 0, 0);
424 srv_push_dos_date2(req->smb_conn, trans->out.data.data, 0, st->standard.out.create_time);
425 srv_push_dos_date2(req->smb_conn, trans->out.data.data, 4, st->standard.out.access_time);
426 srv_push_dos_date2(req->smb_conn, trans->out.data.data, 8, st->standard.out.write_time);
427 SIVAL(trans->out.data.data, 12, st->standard.out.size);
428 SIVAL(trans->out.data.data, 16, st->standard.out.alloc_size);
429 SSVAL(trans->out.data.data, 20, st->standard.out.attrib);
430 return NT_STATUS_OK;
431
432 case RAW_FILEINFO_EA_SIZE:
433 trans2_setup_reply(req, trans, 2, 26, 0);
434
435 SSVAL(trans->out.params.data, 0, 0);
436 srv_push_dos_date2(req->smb_conn, trans->out.data.data, 0, st->ea_size.out.create_time);
437 srv_push_dos_date2(req->smb_conn, trans->out.data.data, 4, st->ea_size.out.access_time);
438 srv_push_dos_date2(req->smb_conn, trans->out.data.data, 8, st->ea_size.out.write_time);
439 SIVAL(trans->out.data.data, 12, st->ea_size.out.size);
440 SIVAL(trans->out.data.data, 16, st->ea_size.out.alloc_size);
441 SSVAL(trans->out.data.data, 20, st->ea_size.out.attrib);
442 SIVAL(trans->out.data.data, 22, st->ea_size.out.ea_size);
443 return NT_STATUS_OK;
444
445 case RAW_FILEINFO_NETWORK_OPEN_INFORMATION:
446 trans2_setup_reply(req, trans, 2, 56, 0);
447
448 SSVAL(trans->out.params.data, 0, 0);
449 push_nttime(trans->out.data.data, 0, st->network_open_information.out.create_time);
450 push_nttime(trans->out.data.data, 8, st->network_open_information.out.access_time);
451 push_nttime(trans->out.data.data, 16, st->network_open_information.out.write_time);
452 push_nttime(trans->out.data.data, 24, st->network_open_information.out.change_time);
453 SBVAL(trans->out.data.data, 32, st->network_open_information.out.alloc_size);
454 SBVAL(trans->out.data.data, 40, st->network_open_information.out.size);
455 SIVAL(trans->out.data.data, 48, st->network_open_information.out.attrib);
456 SIVAL(trans->out.data.data, 52, 0); /* padding */
457 return NT_STATUS_OK;
458
459 case RAW_FILEINFO_STANDARD_INFO:
460 case RAW_FILEINFO_STANDARD_INFORMATION:
461 trans2_setup_reply(req, trans, 2, 24, 0);
462 SSVAL(trans->out.params.data, 0, 0);
463 SBVAL(trans->out.data.data, 0, st->standard_info.out.alloc_size);
464 SBVAL(trans->out.data.data, 8, st->standard_info.out.size);
465 SIVAL(trans->out.data.data, 16, st->standard_info.out.nlink);
466 SCVAL(trans->out.data.data, 20, st->standard_info.out.delete_pending);
467 SCVAL(trans->out.data.data, 21, st->standard_info.out.directory);
468 SSVAL(trans->out.data.data, 22, 0); /* padding */
469 return NT_STATUS_OK;
470
471 case RAW_FILEINFO_ATTRIBUTE_TAG_INFORMATION:
472 trans2_setup_reply(req, trans, 2, 8, 0);
473 SSVAL(trans->out.params.data, 0, 0);
474 SIVAL(trans->out.data.data, 0, st->attribute_tag_information.out.attrib);
475 SIVAL(trans->out.data.data, 4, st->attribute_tag_information.out.reparse_tag);
476 return NT_STATUS_OK;
477
478 case RAW_FILEINFO_EA_INFO:
479 case RAW_FILEINFO_EA_INFORMATION:
480 trans2_setup_reply(req, trans, 2, 4, 0);
481 SSVAL(trans->out.params.data, 0, 0);
482 SIVAL(trans->out.data.data, 0, st->ea_info.out.ea_size);
483 return NT_STATUS_OK;
484
485 case RAW_FILEINFO_MODE_INFORMATION:
486 trans2_setup_reply(req, trans, 2, 4, 0);
487 SSVAL(trans->out.params.data, 0, 0);
488 SIVAL(trans->out.data.data, 0, st->mode_information.out.mode);
489 return NT_STATUS_OK;
490
491 case RAW_FILEINFO_ALIGNMENT_INFORMATION:
492 trans2_setup_reply(req, trans, 2, 4, 0);
493 SSVAL(trans->out.params.data, 0, 0);
494 SIVAL(trans->out.data.data, 0,
495 st->alignment_information.out.alignment_requirement);
496 return NT_STATUS_OK;
497
498 case RAW_FILEINFO_ALL_EAS:
499 if (st->all_eas.out.num_eas == 0) {
500 trans2_setup_reply(req, trans, 2, 4, 0);
501 SSVAL(trans->out.params.data, 0, 0);
502 SIVAL(trans->out.data.data, 0, 0);
503 } else {
504 uint32_t list_size = ea_list_size(st->all_eas.out.num_eas,
505 st->all_eas.out.eas);
506 trans2_setup_reply(req, trans, 2, list_size, 0);
507 SSVAL(trans->out.params.data, 0, 0);
508 ea_put_list(trans->out.data.data,
509 st->all_eas.out.num_eas, st->all_eas.out.eas);
510 }
511 return NT_STATUS_OK;
512
513 case RAW_FILEINFO_ACCESS_INFORMATION:
514 trans2_setup_reply(req, trans, 2, 4, 0);
515 SSVAL(trans->out.params.data, 0, 0);
516 SIVAL(trans->out.data.data, 0, st->access_information.out.access_flags);
517 return NT_STATUS_OK;
518
519 case RAW_FILEINFO_POSITION_INFORMATION:
520 trans2_setup_reply(req, trans, 2, 8, 0);
521 SSVAL(trans->out.params.data, 0, 0);
522 SBVAL(trans->out.data.data, 0, st->position_information.out.position);
523 return NT_STATUS_OK;
524
525 case RAW_FILEINFO_COMPRESSION_INFO:
526 case RAW_FILEINFO_COMPRESSION_INFORMATION:
527 trans2_setup_reply(req, trans, 2, 16, 0);
528 SSVAL(trans->out.params.data, 0, 0);
529 SBVAL(trans->out.data.data, 0, st->compression_info.out.compressed_size);
530 SSVAL(trans->out.data.data, 8, st->compression_info.out.format);
531 SCVAL(trans->out.data.data, 10, st->compression_info.out.unit_shift);
532 SCVAL(trans->out.data.data, 11, st->compression_info.out.chunk_shift);
533 SCVAL(trans->out.data.data, 12, st->compression_info.out.cluster_shift);
534 SSVAL(trans->out.data.data, 13, 0); /* 3 bytes padding */
535 SCVAL(trans->out.data.data, 15, 0);
536 return NT_STATUS_OK;
537
538 case RAW_FILEINFO_IS_NAME_VALID:
539 trans2_setup_reply(req, trans, 2, 0, 0);
540 SSVAL(trans->out.params.data, 0, 0);
541 return NT_STATUS_OK;
542
543 case RAW_FILEINFO_INTERNAL_INFORMATION:
544 trans2_setup_reply(req, trans, 2, 8, 0);
545 SSVAL(trans->out.params.data, 0, 0);
546 SBVAL(trans->out.data.data, 0, st->internal_information.out.file_id);
547 return NT_STATUS_OK;
548
549 case RAW_FILEINFO_ALL_INFO:
550 case RAW_FILEINFO_ALL_INFORMATION:
551 trans2_setup_reply(req, trans, 2, 72, 0);
552
553 SSVAL(trans->out.params.data, 0, 0);
554 push_nttime(trans->out.data.data, 0, st->all_info.out.create_time);
555 push_nttime(trans->out.data.data, 8, st->all_info.out.access_time);
556 push_nttime(trans->out.data.data, 16, st->all_info.out.write_time);
557 push_nttime(trans->out.data.data, 24, st->all_info.out.change_time);
558 SIVAL(trans->out.data.data, 32, st->all_info.out.attrib);
559 SIVAL(trans->out.data.data, 36, 0);
560 SBVAL(trans->out.data.data, 40, st->all_info.out.alloc_size);
561 SBVAL(trans->out.data.data, 48, st->all_info.out.size);
562 SIVAL(trans->out.data.data, 56, st->all_info.out.nlink);
563 SCVAL(trans->out.data.data, 60, st->all_info.out.delete_pending);
564 SCVAL(trans->out.data.data, 61, st->all_info.out.directory);
565 SSVAL(trans->out.data.data, 62, 0); /* padding */
566 SIVAL(trans->out.data.data, 64, st->all_info.out.ea_size);
567 trans2_append_data_string(req, trans, &st->all_info.out.fname,
568 68, STR_UNICODE);
569 return NT_STATUS_OK;
570
571 case RAW_FILEINFO_NAME_INFO:
572 case RAW_FILEINFO_NAME_INFORMATION:
573 trans2_setup_reply(req, trans, 2, 4, 0);
574 SSVAL(trans->out.params.data, 0, 0);
575 trans2_append_data_string(req, trans, &st->name_info.out.fname, 0, STR_UNICODE);
576 return NT_STATUS_OK;
577
578 case RAW_FILEINFO_ALT_NAME_INFO:
579 case RAW_FILEINFO_ALT_NAME_INFORMATION:
580 trans2_setup_reply(req, trans, 2, 4, 0);
581 SSVAL(trans->out.params.data, 0, 0);
582 trans2_append_data_string(req, trans, &st->alt_name_info.out.fname, 0, STR_UNICODE);
583 return NT_STATUS_OK;
584
585 case RAW_FILEINFO_STREAM_INFO:
586 case RAW_FILEINFO_STREAM_INFORMATION:
587 trans2_setup_reply(req, trans, 2, 0, 0);
588
589 SSVAL(trans->out.params.data, 0, 0);
590
591 for (i=0;i<st->stream_info.out.num_streams;i++) {
592 uint16_t data_size = trans->out.data.length;
593 char *data;
594
595 trans2_grow_data(req, trans, data_size + 24);
596 data = trans->out.data.data + data_size;
597 SBVAL(data, 8, st->stream_info.out.streams[i].size);
598 SBVAL(data, 16, st->stream_info.out.streams[i].alloc_size);
599 trans2_append_data_string(req, trans,
600 &st->stream_info.out.streams[i].stream_name,
601 data_size + 4, STR_UNICODE);
602 if (i == st->stream_info.out.num_streams - 1) {
603 SIVAL(trans->out.data.data, data_size, 0);
604 } else {
605 trans2_grow_data_fill(req, trans, (trans->out.data.length+7)&~7);
606 SIVAL(trans->out.data.data, data_size,
607 trans->out.data.length - data_size);
608 }
609 }
610 return NT_STATUS_OK;
611 }
612
613 return NT_STATUS_INVALID_LEVEL;
614 }
615
616 /*
617 trans2 qpathinfo implementation
618 */
619 static NTSTATUS trans2_qpathinfo(struct smbsrv_request *req, struct smb_trans2 *trans)
620 {
621 union smb_fileinfo st;
622 NTSTATUS status;
623 uint16_t level;
624
625 /* make sure we got enough parameters */
626 if (trans->in.params.length < 8) {
627 return NT_STATUS_FOOBAR;
628 }
629
630 level = SVAL(trans->in.params.data, 0);
631
632 trans2_pull_blob_string(req, &trans->in.params, 6, &st.generic.in.fname, 0);
633 if (st.generic.in.fname == NULL) {
634 return NT_STATUS_FOOBAR;
635 }
636
637 /* work out the backend level - we make it 1-1 in the header */
638 st.generic.level = (enum smb_fileinfo_level)level;
639 if (st.generic.level >= RAW_FILEINFO_GENERIC) {
640 return NT_STATUS_INVALID_LEVEL;
641 }
642
643 /* call the backend */
644 status = req->tcon->ntvfs_ops->qpathinfo(req, &st);
645 if (!NT_STATUS_IS_OK(status)) {
646 return status;
647 }
648
649 /* fill in the reply parameters */
650 status = trans2_fileinfo_fill(req, trans, &st);
651
652 return status;
653 }
654
655
656 /*
657 trans2 qpathinfo implementation
658 */
659 static NTSTATUS trans2_qfileinfo(struct smbsrv_request *req, struct smb_trans2 *trans)
660 {
661 union smb_fileinfo st;
662 NTSTATUS status;
663 uint16_t level;
664
665 /* make sure we got enough parameters */
666 if (trans->in.params.length < 4) {
667 return NT_STATUS_FOOBAR;
668 }
669
670 st.generic.in.fnum = SVAL(trans->in.params.data, 0);
671 level = SVAL(trans->in.params.data, 2);
672
673 /* work out the backend level - we make it 1-1 in the header */
674 st.generic.level = (enum smb_fileinfo_level)level;
675 if (st.generic.level >= RAW_FILEINFO_GENERIC) {
676 return NT_STATUS_INVALID_LEVEL;
677 }
678
679 /* call the backend */
680 status = req->tcon->ntvfs_ops->qfileinfo(req, &st);
681 if (!NT_STATUS_IS_OK(status)) {
682 return status;
683 }
684
685 /* fill in the reply parameters */
686 status = trans2_fileinfo_fill(req, trans, &st);
687
688 return status;
689 }
690
691
692 /*
693 parse a trans2 setfileinfo/setpathinfo data blob
694 */
695 static NTSTATUS trans2_parse_sfileinfo(struct smbsrv_request *req,
696 union smb_setfileinfo *st,
697 const DATA_BLOB *blob)
698 {
699 uint32_t len;
700
701 switch (st->generic.level) {
702 case RAW_SFILEINFO_GENERIC:
703 case RAW_SFILEINFO_SETATTR:
704 case RAW_SFILEINFO_SETATTRE:
705 /* handled elsewhere */
706 return NT_STATUS_INVALID_LEVEL;
707
708 case RAW_SFILEINFO_STANDARD:
709 CHECK_MIN_BLOB_SIZE(blob, 12);
710 st->standard.in.create_time = srv_pull_dos_date2(req->smb_conn, blob->data + 0);
711 st->standard.in.access_time = srv_pull_dos_date2(req->smb_conn, blob->data + 4);
712 st->standard.in.write_time = srv_pull_dos_date2(req->smb_conn, blob->data + 8);
713 return NT_STATUS_OK;
714
715 case RAW_SFILEINFO_EA_SET:
716 CHECK_MIN_BLOB_SIZE(blob, 4);
717 len = IVAL(blob->data, 0);
718 if (len > blob->length || len < 4) {
719 return NT_STATUS_INFO_LENGTH_MISMATCH;
720 }
721 {
722 DATA_BLOB blob2;
723 blob2.data = blob->data+4;
724 blob2.length = len-4;
725 len = ea_pull_struct(&blob2, req, &st->ea_set.in.ea);
726 }
727 if (len == 0) {
728 return NT_STATUS_INVALID_PARAMETER;
729 }
730 return NT_STATUS_OK;
731
732 case SMB_SFILEINFO_BASIC_INFO:
733 case SMB_SFILEINFO_BASIC_INFORMATION:
734 CHECK_MIN_BLOB_SIZE(blob, 36);
735 st->basic_info.in.create_time = pull_nttime(blob->data, 0);
736 st->basic_info.in.access_time = pull_nttime(blob->data, 8);
737 st->basic_info.in.write_time = pull_nttime(blob->data, 16);
738 st->basic_info.in.change_time = pull_nttime(blob->data, 24);
739 st->basic_info.in.attrib = IVAL(blob->data, 32);
740 return NT_STATUS_OK;
741
742 case SMB_SFILEINFO_DISPOSITION_INFO:
743 case SMB_SFILEINFO_DISPOSITION_INFORMATION:
744 CHECK_MIN_BLOB_SIZE(blob, 1);
745 st->disposition_info.in.delete_on_close = CVAL(blob->data, 0);
746 return NT_STATUS_OK;
747
748 case SMB_SFILEINFO_ALLOCATION_INFO:
749 case SMB_SFILEINFO_ALLOCATION_INFORMATION:
750 CHECK_MIN_BLOB_SIZE(blob, 8);
751 st->allocation_info.in.alloc_size = BVAL(blob->data, 0);
752 return NT_STATUS_OK;
753
754 case RAW_SFILEINFO_END_OF_FILE_INFO:
755 case RAW_SFILEINFO_END_OF_FILE_INFORMATION:
756 CHECK_MIN_BLOB_SIZE(blob, 8);
757 st->end_of_file_info.in.size = BVAL(blob->data, 0);
758 return NT_STATUS_OK;
759
760 case RAW_SFILEINFO_RENAME_INFORMATION: {
761 DATA_BLOB blob2;
762
763 CHECK_MIN_BLOB_SIZE(blob, 12);
764 st->rename_information.in.overwrite = CVAL(blob->data, 0);
765 st->rename_information.in.root_fid = IVAL(blob->data, 4);
766 len = IVAL(blob->data, 8);
767 blob2.data = blob->data+12;
768 blob2.length = MIN(blob->length, len);
769 trans2_pull_blob_string(req, &blob2, 0,
770 &st->rename_information.in.new_name, STR_UNICODE);
771 return NT_STATUS_OK;
772 }
773
774 case RAW_SFILEINFO_POSITION_INFORMATION:
775 CHECK_MIN_BLOB_SIZE(blob, 8);
776 st->position_information.in.position = BVAL(blob->data, 0);
777 return NT_STATUS_OK;
778
779 case RAW_SFILEINFO_MODE_INFORMATION:
780 CHECK_MIN_BLOB_SIZE(blob, 4);
781 st->mode_information.in.mode = IVAL(blob->data, 0);
782 return NT_STATUS_OK;
783 }
784
785 return NT_STATUS_INVALID_LEVEL;
786 }
787
788 /*
789 trans2 setfileinfo implementation
790 */
791 static NTSTATUS trans2_setfileinfo(struct smbsrv_request *req, struct smb_trans2 *trans)
792 {
793 union smb_setfileinfo st;
794 NTSTATUS status;
795 uint16_t level, fnum;
796 DATA_BLOB *blob;
797
798 /* make sure we got enough parameters */
799 if (trans->in.params.length < 4) {
800 return NT_STATUS_FOOBAR;
801 }
802
803 fnum = SVAL(trans->in.params.data, 0);
804 level = SVAL(trans->in.params.data, 2);
805
806 blob = &trans->in.data;
807
808 st.generic.file.fnum = fnum;
809 st.generic.level = (enum smb_setfileinfo_level)level;
810
811 status = trans2_parse_sfileinfo(req, &st, blob);
812 if (!NT_STATUS_IS_OK(status)) {
813 return status;
814 }
815
816 status = req->tcon->ntvfs_ops->setfileinfo(req, &st);
817 if (!NT_STATUS_IS_OK(status)) {
818 return status;
819 }
820
821 trans2_setup_reply(req, trans, 2, 0, 0);
822 SSVAL(trans->out.params.data, 0, 0);
823 return NT_STATUS_OK;
824 }
825
826 /*
827 trans2 setpathinfo implementation
828 */
829 static NTSTATUS trans2_setpathinfo(struct smbsrv_request *req, struct smb_trans2 *trans)
830 {
831 union smb_setfileinfo st;
832 NTSTATUS status;
833 uint16_t level;
834 DATA_BLOB *blob;
835
836 /* make sure we got enough parameters */
837 if (trans->in.params.length < 4) {
838 return NT_STATUS_FOOBAR;
839 }
840
841 level = SVAL(trans->in.params.data, 0);
842 blob = &trans->in.data;
843 st.generic.level = (enum smb_setfileinfo_level)level;
844
845 trans2_pull_blob_string(req, &trans->in.params, 6, &st.generic.file.fname, 0);
846 if (st.generic.file.fname == NULL) {
847 return NT_STATUS_FOOBAR;
848 }
849
850 status = trans2_parse_sfileinfo(req, &st, blob);
851 if (!NT_STATUS_IS_OK(status)) {
852 return status;
853 }
854
855 status = req->tcon->ntvfs_ops->setpathinfo(req, &st);
856 if (!NT_STATUS_IS_OK(status)) {
857 return status;
858 }
859
860 trans2_setup_reply(req, trans, 2, 0, 0);
861 SSVAL(trans->out.params.data, 0, 0);
862 return NT_STATUS_OK;
863 }
864
865
866 /* a structure to encapsulate the state information about an in-progress ffirst/fnext operation */
867 struct find_state {
868 struct smbsrv_request *req;
869 struct smb_trans2 *trans;
870 enum smb_search_level level;
871 uint16_t last_entry_offset;
872 uint16_t flags;
873 };
874
875 /*
876 fill a single entry in a trans2 find reply
877 */
878 static void find_fill_info(struct smbsrv_request *req,
879 struct smb_trans2 *trans,
880 struct find_state *state,
881 union smb_search_data *file)
882 {
883 char *data;
884 uint_t ofs = trans->out.data.length;
885
886 switch (state->level) {
887 case RAW_SEARCH_SEARCH:
888 case RAW_SEARCH_FFIRST:
889 case RAW_SEARCH_FUNIQUE:
890 case RAW_SEARCH_GENERIC:
891 /* handled elsewhere */
892 break;
893
894 case RAW_SEARCH_STANDARD:
895 if (state->flags & FLAG_TRANS2_FIND_REQUIRE_RESUME) {
896 trans2_grow_data(req, trans, ofs + 27);
897 SIVAL(trans->out.data.data, ofs, file->standard.resume_key);
898 ofs += 4;
899 } else {
900 trans2_grow_data(req, trans, ofs + 23);
901 }
902 data = trans->out.data.data + ofs;
903 srv_push_dos_date2(req->smb_conn, data, 0, file->standard.create_time);
904 srv_push_dos_date2(req->smb_conn, data, 4, file->standard.access_time);
905 srv_push_dos_date2(req->smb_conn, data, 8, file->standard.write_time);
906 SIVAL(data, 12, file->standard.size);
907 SIVAL(data, 16, file->standard.alloc_size);
908 SSVAL(data, 20, file->standard.attrib);
909 trans2_append_data_string(req, trans, &file->standard.name,
910 ofs + 22, STR_LEN8BIT | STR_TERMINATE | STR_LEN_NOTERM);
911 break;
912
913 case RAW_SEARCH_EA_SIZE:
914 if (state->flags & FLAG_TRANS2_FIND_REQUIRE_RESUME) {
915 trans2_grow_data(req, trans, ofs + 31);
916 SIVAL(trans->out.data.data, ofs, file->ea_size.resume_key);
917 ofs += 4;
918 } else {
919 trans2_grow_data(req, trans, ofs + 27);
920 }
921 data = trans->out.data.data + ofs;
922 srv_push_dos_date2(req->smb_conn, data, 0, file->ea_size.create_time);
923 srv_push_dos_date2(req->smb_conn, data, 4, file->ea_size.access_time);
924 srv_push_dos_date2(req->smb_conn, data, 8, file->ea_size.write_time);
925 SIVAL(data, 12, file->ea_size.size);
926 SIVAL(data, 16, file->ea_size.alloc_size);
927 SSVAL(data, 20, file->ea_size.attrib);
928 SIVAL(data, 22, file->ea_size.ea_size);
929 trans2_append_data_string(req, trans, &file->ea_size.name,
930 ofs + 26, STR_LEN8BIT | STR_NOALIGN);
931 trans2_grow_data(req, trans, trans->out.data.length + 1);
932 trans->out.data.data[trans->out.data.length-1] = 0;
933 break;
934
935 case RAW_SEARCH_DIRECTORY_INFO:
936 trans2_grow_data(req, trans, ofs + 64);
937 data = trans->out.data.data + ofs;
938 SIVAL(data, 4, file->directory_info.file_index);
939 push_nttime(data, 8, file->directory_info.create_time);
940 push_nttime(data, 16, file->directory_info.access_time);
941 push_nttime(data, 24, file->directory_info.write_time);
942 push_nttime(data, 32, file->directory_info.change_time);
943 SBVAL(data, 40, file->directory_info.size);
944 SBVAL(data, 48, file->directory_info.alloc_size);
945 SIVAL(data, 56, file->directory_info.attrib);
946 trans2_append_data_string(req, trans, &file->directory_info.name,
947 ofs + 60, STR_TERMINATE_ASCII);
948 data = trans->out.data.data + ofs;
949 SIVAL(data, 0, trans->out.data.length - ofs);
950 break;
951
952 case RAW_SEARCH_FULL_DIRECTORY_INFO:
953 trans2_grow_data(req, trans, ofs + 68);
954 data = trans->out.data.data + ofs;
955 SIVAL(data, 4, file->full_directory_info.file_index);
956 push_nttime(data, 8, file->full_directory_info.create_time);
957 push_nttime(data, 16, file->full_directory_info.access_time);
958 push_nttime(data, 24, file->full_directory_info.write_time);
959 push_nttime(data, 32, file->full_directory_info.change_time);
960 SBVAL(data, 40, file->full_directory_info.size);
961 SBVAL(data, 48, file->full_directory_info.alloc_size);
962 SIVAL(data, 56, file->full_directory_info.attrib);
963 SIVAL(data, 64, file->full_directory_info.ea_size);
964 trans2_append_data_string(req, trans, &file->full_directory_info.name,
965 ofs + 60, STR_TERMINATE_ASCII);
966 data = trans->out.data.data + ofs;
967 SIVAL(data, 0, trans->out.data.length - ofs);
968 break;
969
970 case RAW_SEARCH_NAME_INFO:
971 trans2_grow_data(req, trans, ofs + 12);
972 data = trans->out.data.data + ofs;
973 SIVAL(data, 4, file->name_info.file_index);
974 trans2_append_data_string(req, trans, &file->name_info.name,
975 ofs + 8, STR_TERMINATE_ASCII);
976 data = trans->out.data.data + ofs;
977 SIVAL(data, 0, trans->out.data.length - ofs);
978 break;
979
980 case RAW_SEARCH_BOTH_DIRECTORY_INFO:
981 trans2_grow_data(req, trans, ofs + 94);
982 data = trans->out.data.data + ofs;
983 SIVAL(data, 4, file->both_directory_info.file_index);
984 push_nttime(data, 8, file->both_directory_info.create_time);
985 push_nttime(data, 16, file->both_directory_info.access_time);
986 push_nttime(data, 24, file->both_directory_info.write_time);
987 push_nttime(data, 32, file->both_directory_info.change_time);
988 SBVAL(data, 40, file->both_directory_info.size);
989 SBVAL(data, 48, file->both_directory_info.alloc_size);
990 SIVAL(data, 56, file->both_directory_info.attrib);
991 SIVAL(data, 64, file->both_directory_info.ea_size);
992 SCVAL(data, 69, 0); /* reserved */
993 memset(data+70,0,24);
994 trans2_push_data_string(req, trans,
995 68 + ofs, 70 + ofs,
996 &file->both_directory_info.short_name,
997 24, STR_UNICODE | STR_LEN8BIT);
998 trans2_append_data_string(req, trans, &file->both_directory_info.name,
999 ofs + 60, STR_TERMINATE_ASCII);
1000 data = trans->out.data.data + ofs;
1001 SIVAL(data, 0, trans->out.data.length - ofs);
1002 break;
1003
1004 case RAW_SEARCH_ID_FULL_DIRECTORY_INFO:
1005 trans2_grow_data(req, trans, ofs + 80);
1006 data = trans->out.data.data + ofs;
1007 SIVAL(data, 4, file->id_full_directory_info.file_index);
1008 push_nttime(data, 8, file->id_full_directory_info.create_time);
1009 push_nttime(data, 16, file->id_full_directory_info.access_time);
1010 push_nttime(data, 24, file->id_full_directory_info.write_time);
1011 push_nttime(data, 32, file->id_full_directory_info.change_time);
1012 SBVAL(data, 40, file->id_full_directory_info.size);
1013 SBVAL(data, 48, file->id_full_directory_info.alloc_size);
1014 SIVAL(data, 56, file->id_full_directory_info.attrib);
1015 SIVAL(data, 64, file->id_full_directory_info.ea_size);
1016 SIVAL(data, 68, 0); /* padding */
1017 SBVAL(data, 72, file->id_full_directory_info.file_id);
1018 trans2_append_data_string(req, trans, &file->id_full_directory_info.name,
1019 ofs + 60, STR_TERMINATE_ASCII);
1020 data = trans->out.data.data + ofs;
1021 SIVAL(data, 0, trans->out.data.length - ofs);
1022 break;
1023
1024 case RAW_SEARCH_ID_BOTH_DIRECTORY_INFO:
1025 trans2_grow_data(req, trans, ofs + 104);
1026 data = trans->out.data.data + ofs;
1027 SIVAL(data, 4, file->id_both_directory_info.file_index);
1028 push_nttime(data, 8, file->id_both_directory_info.create_time);
1029 push_nttime(data, 16, file->id_both_directory_info.access_time);
1030 push_nttime(data, 24, file->id_both_directory_info.write_time);
1031 push_nttime(data, 32, file->id_both_directory_info.change_time);
1032 SBVAL(data, 40, file->id_both_directory_info.size);
1033 SBVAL(data, 48, file->id_both_directory_info.alloc_size);
1034 SIVAL(data, 56, file->id_both_directory_info.attrib);
1035 SIVAL(data, 64, file->id_both_directory_info.ea_size);
1036 SCVAL(data, 69, 0); /* reserved */
1037 memset(data+70,0,26);
1038 trans2_push_data_string(req, trans,
1039 68 + ofs, 70 + ofs,
1040 &file->id_both_directory_info.short_name,
1041 24, STR_UNICODE | STR_LEN8BIT);
1042 SBVAL(data, 96, file->id_both_directory_info.file_id);
1043 trans2_append_data_string(req, trans, &file->id_both_directory_info.name,
1044 ofs + 60, STR_TERMINATE_ASCII);
1045 data = trans->out.data.data + ofs;
1046 SIVAL(data, 0, trans->out.data.length - ofs);
1047 break;
1048 }
1049 }
1050
1051 /* callback function for trans2 findfirst/findnext */
1052 static BOOL find_callback(void *private, union smb_search_data *file)
1053 {
1054 struct find_state *state = (struct find_state *)private;
1055 struct smb_trans2 *trans = state->trans;
1056 uint_t old_length;
1057
1058 old_length = trans->out.data.length;
1059
1060 find_fill_info(state->req, trans, state, file);
1061
1062 /* see if we have gone beyond the user specified maximum */
1063 if (trans->out.data.length > trans->in.max_data) {
1064 /* restore the old length and tell the backend to stop */
1065 trans2_grow_data(state->req, trans, old_length);
1066 return False;
1067 }
1068
1069 state->last_entry_offset = old_length;
1070 return True;
1071 }
1072
1073
1074 /*
1075 trans2 findfirst implementation
1076 */
1077 static NTSTATUS trans2_findfirst(struct smbsrv_request *req, struct smb_trans2 *trans)
1078 {
1079 union smb_search_first search;
1080 NTSTATUS status;
1081 uint16_t level;
1082 char *param;
1083 struct find_state state;
1084
1085 /* make sure we got all the parameters */
1086 if (trans->in.params.length < 14) {
1087 return NT_STATUS_FOOBAR;
1088 }
1089
1090 search.t2ffirst.in.search_attrib = SVAL(trans->in.params.data, 0);
1091 search.t2ffirst.in.max_count = SVAL(trans->in.params.data, 2);
1092 search.t2ffirst.in.flags = SVAL(trans->in.params.data, 4);
1093 level = SVAL(trans->in.params.data, 6);
1094 search.t2ffirst.in.storage_type = IVAL(trans->in.params.data, 8);
1095
1096 trans2_pull_blob_string(req, &trans->in.params, 12, &search.t2ffirst.in.pattern, 0);
1097 if (search.t2ffirst.in.pattern == NULL) {
1098 return NT_STATUS_FOOBAR;
1099 }
1100
1101 search.t2ffirst.level = (enum smb_search_level)level;
1102 if (search.t2ffirst.level >= RAW_SEARCH_GENERIC) {
1103 return NT_STATUS_INVALID_LEVEL;
1104 }
1105
1106 /* setup the private state structure that the backend will give us in the callback */
1107 state.req = req;
1108 state.trans = trans;
1109 state.level = search.t2ffirst.level;
1110 state.last_entry_offset = 0;
1111 state.flags = search.t2ffirst.in.flags;
1112
1113 /* setup for just a header in the reply */
1114 trans2_setup_reply(req, trans, 10, 0, 0);
1115
1116 /* call the backend */
1117 status = req->tcon->ntvfs_ops->search_first(req, &search, &state, find_callback);
1118 if (!NT_STATUS_IS_OK(status)) {
1119 trans2_setup_reply(req, trans, 0, 0, 0);
1120 return status;
1121 }
1122
1123 /* fill in the findfirst reply header */
1124 param = trans->out.params.data;
1125 SSVAL(param, VWV(0), search.t2ffirst.out.handle);
1126 SSVAL(param, VWV(1), search.t2ffirst.out.count);
1127 SSVAL(param, VWV(2), search.t2ffirst.out.end_of_search);
1128 SSVAL(param, VWV(3), 0);
1129 SSVAL(param, VWV(4), state.last_entry_offset);
1130
1131 return NT_STATUS_OK;
1132 }
1133
1134
1135 /*
1136 trans2 findnext implementation
1137 */
1138 static NTSTATUS trans2_findnext(struct smbsrv_request *req, struct smb_trans2 *trans)
1139 {
1140 union smb_search_next search;
1141 NTSTATUS status;
1142 uint16_t level;
1143 char *param;
1144 struct find_state state;
1145
1146 /* make sure we got all the parameters */
1147 if (trans->in.params.length < 12) {
1148 return NT_STATUS_FOOBAR;
1149 }
1150
1151 search.t2fnext.in.handle = SVAL(trans->in.params.data, 0);
1152 search.t2fnext.in.max_count = SVAL(trans->in.params.data, 2);
1153 level = SVAL(trans->in.params.data, 4);
1154 search.t2fnext.in.resume_key = IVAL(trans->in.params.data, 6);
1155 search.t2fnext.in.flags = SVAL(trans->in.params.data, 10);
1156
1157 trans2_pull_blob_string(req, &trans->in.params, 12, &search.t2fnext.in.last_name, 0);
1158 if (search.t2fnext.in.last_name == NULL) {
1159 return NT_STATUS_FOOBAR;
1160 }
1161
1162 search.t2fnext.level = (enum smb_search_level)level;
1163 if (search.t2fnext.level >= RAW_SEARCH_GENERIC) {
1164 return NT_STATUS_INVALID_LEVEL;
1165 }
1166
1167 /* setup the private state structure that the backend will give us in the callback */
1168 state.req = req;
1169 state.trans = trans;
1170 state.level = search.t2fnext.level;
1171 state.last_entry_offset = 0;
1172 state.flags = search.t2fnext.in.flags;
1173
1174 /* setup for just a header in the reply */
1175 trans2_setup_reply(req, trans, 8, 0, 0);
1176
1177 /* call the backend */
1178 status = req->tcon->ntvfs_ops->search_next(req, &search, &state, find_callback);
1179 if (!NT_STATUS_IS_OK(status)) {
1180 return status;
1181 }
1182
1183 /* fill in the findfirst reply header */
1184 param = trans->out.params.data;
1185 SSVAL(param, VWV(0), search.t2fnext.out.count);
1186 SSVAL(param, VWV(1), search.t2fnext.out.end_of_search);
1187 SSVAL(param, VWV(2), 0);
1188 SSVAL(param, VWV(3), state.last_entry_offset);
1189
1190 return NT_STATUS_OK;
1191 }
1192
1193
1194 /*
1195 backend for trans2 requests
1196 */
1197 static NTSTATUS trans2_backend(struct smbsrv_request *req, struct smb_trans2 *trans)
1198 {
1199 if (req->tcon->ntvfs_ops->trans2 != NULL) {
1200 /* direct trans2 pass thru */
1201 return req->tcon->ntvfs_ops->trans2(req, trans);
1202 }
1203
1204 /* must have at least one setup word */
1205 if (trans->in.setup_count < 1) {
1206 return NT_STATUS_FOOBAR;
1207 }
1208
1209 /* the trans2 command is in setup[0] */
1210 switch (trans->in.setup[0]) {
1211 case TRANSACT2_FINDFIRST:
1212 return trans2_findfirst(req, trans);
1213 case TRANSACT2_FINDNEXT:
1214 return trans2_findnext(req, trans);
1215 case TRANSACT2_QPATHINFO:
1216 return trans2_qpathinfo(req, trans);
1217 case TRANSACT2_QFILEINFO:
1218 return trans2_qfileinfo(req, trans);
1219 case TRANSACT2_SETFILEINFO:
1220 return trans2_setfileinfo(req, trans);
1221 case TRANSACT2_SETPATHINFO:
1222 return trans2_setpathinfo(req, trans);
1223 case TRANSACT2_QFSINFO:
1224 return trans2_qfsinfo(req, trans);
1225 }
1226
1227 /* an unknown trans2 command */
1228 return NT_STATUS_FOOBAR;
1229 }
1230
1231
1232 /*
1233 backend for trans requests
1234 */
1235 static NTSTATUS trans_backend(struct smbsrv_request *req, struct smb_trans2 *trans)
1236 {
1237 if (!req->tcon->ntvfs_ops->trans) {
1238 return NT_STATUS_NOT_IMPLEMENTED;
1239 }
1240 return req->tcon->ntvfs_ops->trans(req, trans);
1241 }
1242
1243
1244 /****************************************************************************
1245 Reply to an SMBtrans or SMBtrans2 request
1246 ****************************************************************************/
1247 void reply_trans_generic(struct smbsrv_request *req, uint8_t command)
1248 {
1249 struct smb_trans2 trans;
1250 int i;
1251 uint16_t param_ofs, data_ofs;
1252 uint16_t param_count, data_count;
1253 uint16_t params_left, data_left;
1254 uint16_t param_total, data_total;
1255 char *params, *data;
1256 NTSTATUS status;
1257
1258 /* parse request */
1259 if (req->in.wct < 14) {
1260 req_reply_error(req, NT_STATUS_FOOBAR);
1261 return;
1262 }
1263
1264 param_total = SVAL(req->in.vwv, VWV(0));
1265 data_total = SVAL(req->in.vwv, VWV(1));
1266 trans.in.max_param = SVAL(req->in.vwv, VWV(2));
1267 trans.in.max_data = SVAL(req->in.vwv, VWV(3));
1268 trans.in.max_setup = CVAL(req->in.vwv, VWV(4));
1269 trans.in.flags = SVAL(req->in.vwv, VWV(5));
1270 trans.in.timeout = IVAL(req->in.vwv, VWV(6));
1271 param_count = SVAL(req->in.vwv, VWV(9));
1272 param_ofs = SVAL(req->in.vwv, VWV(10));
1273 data_count = SVAL(req->in.vwv, VWV(11));
1274 data_ofs = SVAL(req->in.vwv, VWV(12));
1275 trans.in.setup_count = CVAL(req->in.vwv, VWV(13));
1276
1277 if (req->in.wct != 14 + trans.in.setup_count) {
1278 req_reply_dos_error(req, ERRSRV, ERRerror);
1279 return;
1280 }
1281
1282 /* parse out the setup words */
1283 trans.in.setup = talloc(req, trans.in.setup_count * sizeof(uint16_t));
1284 if (trans.in.setup_count && !trans.in.setup) {
1285 req_reply_error(req, NT_STATUS_NO_MEMORY);
1286 return;
1287 }
1288 for (i=0;i<trans.in.setup_count;i++) {
1289 trans.in.setup[i] = SVAL(req->in.vwv, VWV(14+i));
1290 }
1291
1292 if (command == SMBtrans) {
1293 req_pull_string(req, &trans.in.trans_name, req->in.data, -1, STR_TERMINATE);
1294 }
1295
1296 if (!req_pull_blob(req, req->in.hdr + param_ofs, param_count, &trans.in.params) ||
1297 !req_pull_blob(req, req->in.hdr + data_ofs, data_count, &trans.in.data)) {
1298 req_reply_error(req, NT_STATUS_FOOBAR);
1299 return;
1300 }
1301
1302 /* is it a partial request? if so, then send a 'send more' message */
1303 if (param_total > param_count ||
1304 data_total > data_count) {
1305 DEBUG(0,("REWRITE: not handling partial trans requests!\n"));
1306 return;
1307 }
1308
1309 /* its a full request, give it to the backend */
1310 if (command == SMBtrans) {
1311 status = trans_backend(req, &trans);
1312 } else {
1313 status = trans2_backend(req, &trans);
1314 }
1315
1316 if (NT_STATUS_IS_ERR(status)) {
1317 req_reply_error(req, status);
1318 return;
1319 }
1320
1321 params_left = trans.out.params.length;
1322 data_left = trans.out.data.length;
1323 params = trans.out.params.data;
1324 data = trans.out.data.data;
1325
1326 /* we need to divide up the reply into chunks that fit into
1327 the negotiated buffer size */
1328 do {
1329 uint16_t this_data, this_param, max_bytes;
1330 uint_t align1 = 1, align2 = (params_left ? 2 : 0);
1331
1332 req_setup_reply(req, 10 + trans.out.setup_count, 0);
1333
1334 if (!NT_STATUS_IS_OK(status)) {
1335 req_setup_error(req, status);
1336 }
1337
1338 max_bytes = req_max_data(req) - (align1 + align2);
1339
1340 this_param = params_left;
1341 if (this_param > max_bytes) {
1342 this_param = max_bytes;
1343 }
1344 max_bytes -= this_param;
1345
1346 this_data = data_left;
1347 if (this_data > max_bytes) {
1348 this_data = max_bytes;
1349 }
1350
1351 req_grow_data(req, this_param + this_data + (align1 + align2));
1352
1353 SSVAL(req->out.vwv, VWV(0), trans.out.params.length);
1354 SSVAL(req->out.vwv, VWV(1), trans.out.data.length);
1355 SSVAL(req->out.vwv, VWV(2), 0);
1356
1357 SSVAL(req->out.vwv, VWV(3), this_param);
1358 SSVAL(req->out.vwv, VWV(4), align1 + PTR_DIFF(req->out.data, req->out.hdr));
1359 SSVAL(req->out.vwv, VWV(5), PTR_DIFF(params, trans.out.params.data));
1360
1361 SSVAL(req->out.vwv, VWV(6), this_data);
1362 SSVAL(req->out.vwv, VWV(7), align1 + align2 +
1363 PTR_DIFF(req->out.data + this_param, req->out.hdr));
1364 SSVAL(req->out.vwv, VWV(8), PTR_DIFF(data, trans.out.data.data));
1365
1366 SSVAL(req->out.vwv, VWV(9), trans.out.setup_count);
1367 for (i=0;i<trans.out.setup_count;i++) {
1368 SSVAL(req->out.vwv, VWV(10+i), trans.out.setup[i]);
1369 }
1370
1371 memset(req->out.data, 0, align1);
1372 if (this_param != 0) {
1373 memcpy(req->out.data + align1, params, this_param);
1374 }
1375 memset(req->out.data+this_param+align1, 0, align2);
1376 if (this_data != 0) {
1377 memcpy(req->out.data+this_param+align1+align2, data, this_data);
1378 }
1379
1380 params_left -= this_param;
1381 data_left -= this_data;
1382 params += this_param;
1383 data += this_data;
1384
1385 /* don't destroy unless this is the last chunk */
1386 if (params_left != 0 || data_left != 0) {
1387 talloc_increase_ref_count(req);
1388 }
1389
1390 req_send_reply(req);
1391 } while (params_left != 0 || data_left != 0);
1392 }
1393
1394
1395 /****************************************************************************
1396 Reply to an SMBtrans2
1397 ****************************************************************************/
1398 void reply_trans2(struct smbsrv_request *req)
1399 {
1400 reply_trans_generic(req, SMBtrans2);
1401 }
1402
1403 /****************************************************************************
1404 Reply to an SMBtrans
1405 ****************************************************************************/
1406 void reply_trans(struct smbsrv_request *req)
1407 {
1408 reply_trans_generic(req, SMBtrans);
1409 }
1410
1411 /****************************************************************************
1412 Reply to an SMBtranss2 request
1413 ****************************************************************************/
1414 void reply_transs2(struct smbsrv_request *req)
1415 {
1416 req_reply_error(req, NT_STATUS_FOOBAR);
1417 }
1418
1419
reg import