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py_talloc_import now uses a steal, so this free is incorrect
[Samba/aatanasov.git] / source4 / smb_server / smb / reply.c
blobec7b6783fd437eb559c26b8598ded370262ad427
1 /*
2 Unix SMB/CIFS implementation.
3 Main SMB reply routines
4 Copyright (C) Andrew Tridgell 1992-2003
5 Copyright (C) James J Myers 2003 <myersjj@samba.org>
6 Copyright (C) Stefan Metzmacher 2006
7
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 3 of the License, or
11 (at your option) any later version.
12
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
17
18 You should have received a copy of the GNU General Public License
19 along with this program. If not, see <http://www.gnu.org/licenses/>.
20 */
21 /*
22 This file handles most of the reply_ calls that the server
23 makes to handle specific SMB commands
24 */
25
26 #include "includes.h"
27 #include "smb_server/smb_server.h"
28 #include "ntvfs/ntvfs.h"
29 #include "librpc/gen_ndr/ndr_nbt.h"
30
31
32 /****************************************************************************
33 Reply to a simple request (async send)
34 ****************************************************************************/
35 static void reply_simple_send(struct ntvfs_request *ntvfs)
36 {
37 struct smbsrv_request *req;
38
39 SMBSRV_CHECK_ASYNC_STATUS_SIMPLE;
40
41 smbsrv_setup_reply(req, 0, 0);
42 smbsrv_send_reply(req);
43 }
44
45
46 /****************************************************************************
47 Reply to a tcon (async reply)
48 ****************************************************************************/
49 static void reply_tcon_send(struct ntvfs_request *ntvfs)
50 {
51 struct smbsrv_request *req;
52 union smb_tcon *con;
53
54 SMBSRV_CHECK_ASYNC_STATUS(con, union smb_tcon);
55
56 /* construct reply */
57 smbsrv_setup_reply(req, 2, 0);
58
59 SSVAL(req->out.vwv, VWV(0), con->tcon.out.max_xmit);
60 SSVAL(req->out.vwv, VWV(1), con->tcon.out.tid);
61 SSVAL(req->out.hdr, HDR_TID, req->tcon->tid);
62
63 smbsrv_send_reply(req);
64 }
65
66 /****************************************************************************
67 Reply to a tcon.
68 ****************************************************************************/
69 void smbsrv_reply_tcon(struct smbsrv_request *req)
70 {
71 union smb_tcon *con;
72 NTSTATUS status;
73 uint8_t *p;
74
75 /* parse request */
76 SMBSRV_CHECK_WCT(req, 0);
77
78 SMBSRV_TALLOC_IO_PTR(con, union smb_tcon);
79
80 con->tcon.level = RAW_TCON_TCON;
81
82 p = req->in.data;
83 p += req_pull_ascii4(&req->in.bufinfo, &con->tcon.in.service, p, STR_TERMINATE);
84 p += req_pull_ascii4(&req->in.bufinfo, &con->tcon.in.password, p, STR_TERMINATE);
85 p += req_pull_ascii4(&req->in.bufinfo, &con->tcon.in.dev, p, STR_TERMINATE);
86
87 if (!con->tcon.in.service || !con->tcon.in.password || !con->tcon.in.dev) {
88 smbsrv_send_error(req, NT_STATUS_INVALID_PARAMETER);
89 return;
90 }
91
92 /* Instantiate backend */
93 status = smbsrv_tcon_backend(req, con);
94 if (!NT_STATUS_IS_OK(status)) {
95 smbsrv_send_error(req, status);
96 return;
97 }
98
99 SMBSRV_SETUP_NTVFS_REQUEST(reply_tcon_send, NTVFS_ASYNC_STATE_MAY_ASYNC);
100
101 /* Invoke NTVFS connection hook */
102 SMBSRV_CALL_NTVFS_BACKEND(ntvfs_connect(req->ntvfs, con));
103 }
104
105
106 /****************************************************************************
107 Reply to a tcon and X (async reply)
108 ****************************************************************************/
109 static void reply_tcon_and_X_send(struct ntvfs_request *ntvfs)
110 {
111 struct smbsrv_request *req;
112 union smb_tcon *con;
113
114 SMBSRV_CHECK_ASYNC_STATUS(con, union smb_tcon);
115
116 /* construct reply - two variants */
117 if (req->smb_conn->negotiate.protocol < PROTOCOL_NT1) {
118 smbsrv_setup_reply(req, 2, 0);
119
120 SSVAL(req->out.vwv, VWV(0), SMB_CHAIN_NONE);
121 SSVAL(req->out.vwv, VWV(1), 0);
122
123 req_push_str(req, NULL, con->tconx.out.dev_type, -1, STR_TERMINATE|STR_ASCII);
124 } else {
125 smbsrv_setup_reply(req, 3, 0);
126
127 SSVAL(req->out.vwv, VWV(0), SMB_CHAIN_NONE);
128 SSVAL(req->out.vwv, VWV(1), 0);
129 SSVAL(req->out.vwv, VWV(2), con->tconx.out.options);
130
131 req_push_str(req, NULL, con->tconx.out.dev_type, -1, STR_TERMINATE|STR_ASCII);
132 req_push_str(req, NULL, con->tconx.out.fs_type, -1, STR_TERMINATE);
133 }
134
135 /* set the incoming and outgoing tid to the just created one */
136 SSVAL(req->in.hdr, HDR_TID, con->tconx.out.tid);
137 SSVAL(req->out.hdr,HDR_TID, con->tconx.out.tid);
138
139 smbsrv_chain_reply(req);
140 }
141
142 /****************************************************************************
143 Reply to a tcon and X.
144 ****************************************************************************/
145 void smbsrv_reply_tcon_and_X(struct smbsrv_request *req)
146 {
147 NTSTATUS status;
148 union smb_tcon *con;
149 uint8_t *p;
150 uint16_t passlen;
151
152 SMBSRV_TALLOC_IO_PTR(con, union smb_tcon);
153
154 con->tconx.level = RAW_TCON_TCONX;
155
156 /* parse request */
157 SMBSRV_CHECK_WCT(req, 4);
158
159 con->tconx.in.flags = SVAL(req->in.vwv, VWV(2));
160 passlen = SVAL(req->in.vwv, VWV(3));
161
162 p = req->in.data;
163
164 if (!req_pull_blob(&req->in.bufinfo, p, passlen, &con->tconx.in.password)) {
165 smbsrv_send_error(req, NT_STATUS_ILL_FORMED_PASSWORD);
166 return;
167 }
168 p += passlen;
169
170 p += req_pull_string(&req->in.bufinfo, &con->tconx.in.path, p, -1, STR_TERMINATE);
171 p += req_pull_string(&req->in.bufinfo, &con->tconx.in.device, p, -1, STR_ASCII);
172
173 if (!con->tconx.in.path || !con->tconx.in.device) {
174 smbsrv_send_error(req, NT_STATUS_BAD_DEVICE_TYPE);
175 return;
176 }
177
178 /* Instantiate backend */
179 status = smbsrv_tcon_backend(req, con);
180 if (!NT_STATUS_IS_OK(status)) {
181 smbsrv_send_error(req, status);
182 return;
183 }
184
185 SMBSRV_SETUP_NTVFS_REQUEST(reply_tcon_and_X_send, NTVFS_ASYNC_STATE_MAY_ASYNC);
186
187 /* Invoke NTVFS connection hook */
188 SMBSRV_CALL_NTVFS_BACKEND(ntvfs_connect(req->ntvfs, con));
189 }
190
191
192 /****************************************************************************
193 Reply to an unknown request
194 ****************************************************************************/
195 void smbsrv_reply_unknown(struct smbsrv_request *req)
196 {
197 int type;
198
199 type = CVAL(req->in.hdr, HDR_COM);
200
201 DEBUG(0,("unknown command type %d (0x%X)\n", type, type));
202
203 smbsrv_send_error(req, NT_STATUS_DOS(ERRSRV, ERRunknownsmb));
204 }
205
206
207 /****************************************************************************
208 Reply to an ioctl (async reply)
209 ****************************************************************************/
210 static void reply_ioctl_send(struct ntvfs_request *ntvfs)
211 {
212 struct smbsrv_request *req;
213 union smb_ioctl *io;
214
215 SMBSRV_CHECK_ASYNC_STATUS(io, union smb_ioctl);
216
217 /* the +1 is for nicer alignment */
218 smbsrv_setup_reply(req, 8, io->ioctl.out.blob.length+1);
219 SSVAL(req->out.vwv, VWV(1), io->ioctl.out.blob.length);
220 SSVAL(req->out.vwv, VWV(5), io->ioctl.out.blob.length);
221 SSVAL(req->out.vwv, VWV(6), PTR_DIFF(req->out.data, req->out.hdr) + 1);
222
223 memcpy(req->out.data+1, io->ioctl.out.blob.data, io->ioctl.out.blob.length);
224
225 smbsrv_send_reply(req);
226 }
227
228 /****************************************************************************
229 Reply to an ioctl.
230 ****************************************************************************/
231 void smbsrv_reply_ioctl(struct smbsrv_request *req)
232 {
233 union smb_ioctl *io;
234
235 /* parse request */
236 SMBSRV_CHECK_WCT(req, 3);
237 SMBSRV_TALLOC_IO_PTR(io, union smb_ioctl);
238 SMBSRV_SETUP_NTVFS_REQUEST(reply_ioctl_send, NTVFS_ASYNC_STATE_MAY_ASYNC);
239
240 io->ioctl.level = RAW_IOCTL_IOCTL;
241 io->ioctl.in.file.ntvfs = smbsrv_pull_fnum(req, req->in.vwv, VWV(0));
242 io->ioctl.in.request = IVAL(req->in.vwv, VWV(1));
243
244 SMBSRV_CHECK_FILE_HANDLE_ERROR(io->ioctl.in.file.ntvfs,
245 NT_STATUS_DOS(ERRSRV, ERRerror));
246 SMBSRV_CALL_NTVFS_BACKEND(ntvfs_ioctl(req->ntvfs, io));
247 }
248
249
250 /****************************************************************************
251 Reply to a chkpth.
252 ****************************************************************************/
253 void smbsrv_reply_chkpth(struct smbsrv_request *req)
254 {
255 union smb_chkpath *io;
256
257 SMBSRV_TALLOC_IO_PTR(io, union smb_chkpath);
258 SMBSRV_SETUP_NTVFS_REQUEST(reply_simple_send, NTVFS_ASYNC_STATE_MAY_ASYNC);
259
260 req_pull_ascii4(&req->in.bufinfo, &io->chkpath.in.path, req->in.data, STR_TERMINATE);
261
262 SMBSRV_CALL_NTVFS_BACKEND(ntvfs_chkpath(req->ntvfs, io));
263 }
264
265 /****************************************************************************
266 Reply to a getatr (async reply)
267 ****************************************************************************/
268 static void reply_getatr_send(struct ntvfs_request *ntvfs)
269 {
270 struct smbsrv_request *req;
271 union smb_fileinfo *st;
272
273 SMBSRV_CHECK_ASYNC_STATUS(st, union smb_fileinfo);
274
275 /* construct reply */
276 smbsrv_setup_reply(req, 10, 0);
277
278 SSVAL(req->out.vwv, VWV(0), st->getattr.out.attrib);
279 srv_push_dos_date3(req->smb_conn, req->out.vwv, VWV(1), st->getattr.out.write_time);
280 SIVAL(req->out.vwv, VWV(3), st->getattr.out.size);
281
282 SMBSRV_VWV_RESERVED(5, 5);
283
284 smbsrv_send_reply(req);
285 }
286
287
288 /****************************************************************************
289 Reply to a getatr.
290 ****************************************************************************/
291 void smbsrv_reply_getatr(struct smbsrv_request *req)
292 {
293 union smb_fileinfo *st;
294
295 SMBSRV_TALLOC_IO_PTR(st, union smb_fileinfo);
296 SMBSRV_SETUP_NTVFS_REQUEST(reply_getatr_send, NTVFS_ASYNC_STATE_MAY_ASYNC);
297
298 st->getattr.level = RAW_FILEINFO_GETATTR;
299
300 /* parse request */
301 req_pull_ascii4(&req->in.bufinfo, &st->getattr.in.file.path, req->in.data, STR_TERMINATE);
302 if (!st->getattr.in.file.path) {
303 smbsrv_send_error(req, NT_STATUS_OBJECT_NAME_NOT_FOUND);
304 return;
305 }
306
307 SMBSRV_CALL_NTVFS_BACKEND(ntvfs_qpathinfo(req->ntvfs, st));
308 }
309
310
311 /****************************************************************************
312 Reply to a setatr.
313 ****************************************************************************/
314 void smbsrv_reply_setatr(struct smbsrv_request *req)
315 {
316 union smb_setfileinfo *st;
317
318 /* parse request */
319 SMBSRV_CHECK_WCT(req, 8);
320 SMBSRV_TALLOC_IO_PTR(st, union smb_setfileinfo);
321 SMBSRV_SETUP_NTVFS_REQUEST(reply_simple_send, NTVFS_ASYNC_STATE_MAY_ASYNC);
322
323 st->setattr.level = RAW_SFILEINFO_SETATTR;
324 st->setattr.in.attrib = SVAL(req->in.vwv, VWV(0));
325 st->setattr.in.write_time = srv_pull_dos_date3(req->smb_conn, req->in.vwv + VWV(1));
326
327 req_pull_ascii4(&req->in.bufinfo, &st->setattr.in.file.path, req->in.data, STR_TERMINATE);
328
329 if (!st->setattr.in.file.path) {
330 smbsrv_send_error(req, NT_STATUS_OBJECT_NAME_NOT_FOUND);
331 return;
332 }
333
334 SMBSRV_CALL_NTVFS_BACKEND(ntvfs_setpathinfo(req->ntvfs, st));
335 }
336
337
338 /****************************************************************************
339 Reply to a dskattr (async reply)
340 ****************************************************************************/
341 static void reply_dskattr_send(struct ntvfs_request *ntvfs)
342 {
343 struct smbsrv_request *req;
344 union smb_fsinfo *fs;
345
346 SMBSRV_CHECK_ASYNC_STATUS(fs, union smb_fsinfo);
347
348 /* construct reply */
349 smbsrv_setup_reply(req, 5, 0);
350
351 SSVAL(req->out.vwv, VWV(0), fs->dskattr.out.units_total);
352 SSVAL(req->out.vwv, VWV(1), fs->dskattr.out.blocks_per_unit);
353 SSVAL(req->out.vwv, VWV(2), fs->dskattr.out.block_size);
354 SSVAL(req->out.vwv, VWV(3), fs->dskattr.out.units_free);
355
356 SMBSRV_VWV_RESERVED(4, 1);
357
358 smbsrv_send_reply(req);
359 }
360
361
362 /****************************************************************************
363 Reply to a dskattr.
364 ****************************************************************************/
365 void smbsrv_reply_dskattr(struct smbsrv_request *req)
366 {
367 union smb_fsinfo *fs;
368
369 SMBSRV_TALLOC_IO_PTR(fs, union smb_fsinfo);
370 SMBSRV_SETUP_NTVFS_REQUEST(reply_dskattr_send, NTVFS_ASYNC_STATE_MAY_ASYNC);
371
372 fs->dskattr.level = RAW_QFS_DSKATTR;
373
374 SMBSRV_CALL_NTVFS_BACKEND(ntvfs_fsinfo(req->ntvfs, fs));
375 }
376
377
378 /****************************************************************************
379 Reply to an open (async reply)
380 ****************************************************************************/
381 static void reply_open_send(struct ntvfs_request *ntvfs)
382 {
383 struct smbsrv_request *req;
384 union smb_open *oi;
385
386 SMBSRV_CHECK_ASYNC_STATUS(oi, union smb_open);
387
388 /* construct reply */
389 smbsrv_setup_reply(req, 7, 0);
390
391 smbsrv_push_fnum(req->out.vwv, VWV(0), oi->openold.out.file.ntvfs);
392 SSVAL(req->out.vwv, VWV(1), oi->openold.out.attrib);
393 srv_push_dos_date3(req->smb_conn, req->out.vwv, VWV(2), oi->openold.out.write_time);
394 SIVAL(req->out.vwv, VWV(4), oi->openold.out.size);
395 SSVAL(req->out.vwv, VWV(6), oi->openold.out.rmode);
396
397 smbsrv_send_reply(req);
398 }
399
400 /****************************************************************************
401 Reply to an open.
402 ****************************************************************************/
403 void smbsrv_reply_open(struct smbsrv_request *req)
404 {
405 union smb_open *oi;
406
407 /* parse request */
408 SMBSRV_CHECK_WCT(req, 2);
409 SMBSRV_TALLOC_IO_PTR(oi, union smb_open);
410 SMBSRV_SETUP_NTVFS_REQUEST(reply_open_send, NTVFS_ASYNC_STATE_MAY_ASYNC);
411
412 oi->openold.level = RAW_OPEN_OPEN;
413 oi->openold.in.open_mode = SVAL(req->in.vwv, VWV(0));
414 oi->openold.in.search_attrs = SVAL(req->in.vwv, VWV(1));
415
416 req_pull_ascii4(&req->in.bufinfo, &oi->openold.in.fname, req->in.data, STR_TERMINATE);
417
418 if (!oi->openold.in.fname) {
419 smbsrv_send_error(req, NT_STATUS_OBJECT_NAME_NOT_FOUND);
420 return;
421 }
422
423 SMBSRV_CALL_NTVFS_BACKEND(ntvfs_open(req->ntvfs, oi));
424 }
425
426
427 /****************************************************************************
428 Reply to an open and X (async reply)
429 ****************************************************************************/
430 static void reply_open_and_X_send(struct ntvfs_request *ntvfs)
431 {
432 struct smbsrv_request *req;
433 union smb_open *oi;
434
435 SMBSRV_CHECK_ASYNC_STATUS(oi, union smb_open);
436
437 /* build the reply */
438 if (oi->openx.in.flags & OPENX_FLAGS_EXTENDED_RETURN) {
439 smbsrv_setup_reply(req, 19, 0);
440 } else {
441 smbsrv_setup_reply(req, 15, 0);
442 }
443
444 SSVAL(req->out.vwv, VWV(0), SMB_CHAIN_NONE);
445 SSVAL(req->out.vwv, VWV(1), 0);
446 smbsrv_push_fnum(req->out.vwv, VWV(2), oi->openx.out.file.ntvfs);
447 SSVAL(req->out.vwv, VWV(3), oi->openx.out.attrib);
448 srv_push_dos_date3(req->smb_conn, req->out.vwv, VWV(4), oi->openx.out.write_time);
449 SIVAL(req->out.vwv, VWV(6), oi->openx.out.size);
450 SSVAL(req->out.vwv, VWV(8), oi->openx.out.access);
451 SSVAL(req->out.vwv, VWV(9), oi->openx.out.ftype);
452 SSVAL(req->out.vwv, VWV(10),oi->openx.out.devstate);
453 SSVAL(req->out.vwv, VWV(11),oi->openx.out.action);
454 SIVAL(req->out.vwv, VWV(12),oi->openx.out.unique_fid);
455 SSVAL(req->out.vwv, VWV(14),0); /* reserved */
456 if (oi->openx.in.flags & OPENX_FLAGS_EXTENDED_RETURN) {
457 SIVAL(req->out.vwv, VWV(15),oi->openx.out.access_mask);
458 SMBSRV_VWV_RESERVED(17, 2);
459 }
460
461 req->chained_fnum = SVAL(req->out.vwv, VWV(2));
462
463 smbsrv_chain_reply(req);
464 }
465
466
467 /****************************************************************************
468 Reply to an open and X.
469 ****************************************************************************/
470 void smbsrv_reply_open_and_X(struct smbsrv_request *req)
471 {
472 union smb_open *oi;
473
474 /* parse the request */
475 SMBSRV_CHECK_WCT(req, 15);
476 SMBSRV_TALLOC_IO_PTR(oi, union smb_open);
477 SMBSRV_SETUP_NTVFS_REQUEST(reply_open_and_X_send, NTVFS_ASYNC_STATE_MAY_ASYNC);
478
479 oi->openx.level = RAW_OPEN_OPENX;
480 oi->openx.in.flags = SVAL(req->in.vwv, VWV(2));
481 oi->openx.in.open_mode = SVAL(req->in.vwv, VWV(3));
482 oi->openx.in.search_attrs = SVAL(req->in.vwv, VWV(4));
483 oi->openx.in.file_attrs = SVAL(req->in.vwv, VWV(5));
484 oi->openx.in.write_time = srv_pull_dos_date3(req->smb_conn, req->in.vwv + VWV(6));
485 oi->openx.in.open_func = SVAL(req->in.vwv, VWV(8));
486 oi->openx.in.size = IVAL(req->in.vwv, VWV(9));
487 oi->openx.in.timeout = IVAL(req->in.vwv, VWV(11));
488
489 req_pull_ascii4(&req->in.bufinfo, &oi->openx.in.fname, req->in.data, STR_TERMINATE);
490
491 if (!oi->openx.in.fname) {
492 smbsrv_send_error(req, NT_STATUS_OBJECT_NAME_NOT_FOUND);
493 return;
494 }
495
496 SMBSRV_CALL_NTVFS_BACKEND(ntvfs_open(req->ntvfs, oi));
497 }
498
499
500 /****************************************************************************
501 Reply to a mknew or a create.
502 ****************************************************************************/
503 static void reply_mknew_send(struct ntvfs_request *ntvfs)
504 {
505 struct smbsrv_request *req;
506 union smb_open *oi;
507
508 SMBSRV_CHECK_ASYNC_STATUS(oi, union smb_open);
509
510 /* build the reply */
511 smbsrv_setup_reply(req, 1, 0);
512
513 smbsrv_push_fnum(req->out.vwv, VWV(0), oi->mknew.out.file.ntvfs);
514
515 smbsrv_send_reply(req);
516 }
517
518
519 /****************************************************************************
520 Reply to a mknew or a create.
521 ****************************************************************************/
522 void smbsrv_reply_mknew(struct smbsrv_request *req)
523 {
524 union smb_open *oi;
525
526 /* parse the request */
527 SMBSRV_CHECK_WCT(req, 3);
528 SMBSRV_TALLOC_IO_PTR(oi, union smb_open);
529 SMBSRV_SETUP_NTVFS_REQUEST(reply_mknew_send, NTVFS_ASYNC_STATE_MAY_ASYNC);
530
531 if (CVAL(req->in.hdr, HDR_COM) == SMBmknew) {
532 oi->mknew.level = RAW_OPEN_MKNEW;
533 } else {
534 oi->mknew.level = RAW_OPEN_CREATE;
535 }
536 oi->mknew.in.attrib = SVAL(req->in.vwv, VWV(0));
537 oi->mknew.in.write_time = srv_pull_dos_date3(req->smb_conn, req->in.vwv + VWV(1));
538
539 req_pull_ascii4(&req->in.bufinfo, &oi->mknew.in.fname, req->in.data, STR_TERMINATE);
540
541 if (!oi->mknew.in.fname) {
542 smbsrv_send_error(req, NT_STATUS_OBJECT_NAME_NOT_FOUND);
543 return;
544 }
545
546 SMBSRV_CALL_NTVFS_BACKEND(ntvfs_open(req->ntvfs, oi));
547 }
548
549 /****************************************************************************
550 Reply to a create temporary file (async reply)
551 ****************************************************************************/
552 static void reply_ctemp_send(struct ntvfs_request *ntvfs)
553 {
554 struct smbsrv_request *req;
555 union smb_open *oi;
556
557 SMBSRV_CHECK_ASYNC_STATUS(oi, union smb_open);
558
559 /* build the reply */
560 smbsrv_setup_reply(req, 1, 0);
561
562 smbsrv_push_fnum(req->out.vwv, VWV(0), oi->ctemp.out.file.ntvfs);
563
564 /* the returned filename is relative to the directory */
565 req_push_str(req, NULL, oi->ctemp.out.name, -1, STR_TERMINATE | STR_ASCII);
566
567 smbsrv_send_reply(req);
568 }
569
570 /****************************************************************************
571 Reply to a create temporary file.
572 ****************************************************************************/
573 void smbsrv_reply_ctemp(struct smbsrv_request *req)
574 {
575 union smb_open *oi;
576
577 /* parse the request */
578 SMBSRV_CHECK_WCT(req, 3);
579 SMBSRV_TALLOC_IO_PTR(oi, union smb_open);
580 SMBSRV_SETUP_NTVFS_REQUEST(reply_ctemp_send, NTVFS_ASYNC_STATE_MAY_ASYNC);
581
582 oi->ctemp.level = RAW_OPEN_CTEMP;
583 oi->ctemp.in.attrib = SVAL(req->in.vwv, VWV(0));
584 oi->ctemp.in.write_time = srv_pull_dos_date3(req->smb_conn, req->in.vwv + VWV(1));
585
586 /* the filename is actually a directory name, the server provides a filename
587 in that directory */
588 req_pull_ascii4(&req->in.bufinfo, &oi->ctemp.in.directory, req->in.data, STR_TERMINATE);
589
590 if (!oi->ctemp.in.directory) {
591 smbsrv_send_error(req, NT_STATUS_OBJECT_NAME_NOT_FOUND);
592 return;
593 }
594
595 SMBSRV_CALL_NTVFS_BACKEND(ntvfs_open(req->ntvfs, oi));
596 }
597
598
599 /****************************************************************************
600 Reply to a unlink
601 ****************************************************************************/
602 void smbsrv_reply_unlink(struct smbsrv_request *req)
603 {
604 union smb_unlink *unl;
605
606 /* parse the request */
607 SMBSRV_CHECK_WCT(req, 1);
608 SMBSRV_TALLOC_IO_PTR(unl, union smb_unlink);
609 SMBSRV_SETUP_NTVFS_REQUEST(reply_simple_send, NTVFS_ASYNC_STATE_MAY_ASYNC);
610
611 unl->unlink.in.attrib = SVAL(req->in.vwv, VWV(0));
612
613 req_pull_ascii4(&req->in.bufinfo, &unl->unlink.in.pattern, req->in.data, STR_TERMINATE);
614
615 SMBSRV_CALL_NTVFS_BACKEND(ntvfs_unlink(req->ntvfs, unl));
616 }
617
618
619 /****************************************************************************
620 Reply to a readbraw (core+ protocol).
621 this is a strange packet because it doesn't use a standard SMB header in the reply,
622 only the 4 byte NBT header
623 This command must be replied to synchronously
624 ****************************************************************************/
625 void smbsrv_reply_readbraw(struct smbsrv_request *req)
626 {
627 NTSTATUS status;
628 union smb_read io;
629
630 io.readbraw.level = RAW_READ_READBRAW;
631
632 /* there are two variants, one with 10 and one with 8 command words */
633 if (req->in.wct < 8) {
634 goto failed;
635 }
636
637 io.readbraw.in.file.ntvfs = smbsrv_pull_fnum(req, req->in.vwv, VWV(0));
638 io.readbraw.in.offset = IVAL(req->in.vwv, VWV(1));
639 io.readbraw.in.maxcnt = SVAL(req->in.vwv, VWV(3));
640 io.readbraw.in.mincnt = SVAL(req->in.vwv, VWV(4));
641 io.readbraw.in.timeout = IVAL(req->in.vwv, VWV(5));
642
643 if (!io.readbraw.in.file.ntvfs) {
644 goto failed;
645 }
646
647 /* the 64 bit variant */
648 if (req->in.wct == 10) {
649 uint32_t offset_high = IVAL(req->in.vwv, VWV(8));
650 io.readbraw.in.offset |= (((off_t)offset_high) << 32);
651 }
652
653 /* before calling the backend we setup the raw buffer. This
654 * saves a copy later */
655 req->out.size = io.readbraw.in.maxcnt + NBT_HDR_SIZE;
656 req->out.buffer = talloc_size(req, req->out.size);
657 if (req->out.buffer == NULL) {
658 goto failed;
659 }
660 SIVAL(req->out.buffer, 0, 0); /* init NBT header */
661
662 /* tell the backend where to put the data */
663 io.readbraw.out.data = req->out.buffer + NBT_HDR_SIZE;
664
665 /* prepare the ntvfs request */
666 req->ntvfs = ntvfs_request_create(req->tcon->ntvfs, req,
667 req->session->session_info,
668 SVAL(req->in.hdr,HDR_PID),
669 req->request_time,
670 req, NULL, 0);
671 if (!req->ntvfs) {
672 goto failed;
673 }
674
675 /* call the backend */
676 status = ntvfs_read(req->ntvfs, &io);
677 if (!NT_STATUS_IS_OK(status)) {
678 goto failed;
679 }
680
681 req->out.size = io.readbraw.out.nread + NBT_HDR_SIZE;
682
683 smbsrv_send_reply_nosign(req);
684 return;
685
686 failed:
687 /* any failure in readbraw is equivalent to reading zero bytes */
688 req->out.size = 4;
689 req->out.buffer = talloc_size(req, req->out.size);
690 SIVAL(req->out.buffer, 0, 0); /* init NBT header */
691
692 smbsrv_send_reply_nosign(req);
693 }
694
695
696 /****************************************************************************
697 Reply to a lockread (async reply)
698 ****************************************************************************/
699 static void reply_lockread_send(struct ntvfs_request *ntvfs)
700 {
701 struct smbsrv_request *req;
702 union smb_read *io;
703
704 SMBSRV_CHECK_ASYNC_STATUS(io, union smb_read);
705
706 /* trim packet */
707 io->lockread.out.nread = MIN(io->lockread.out.nread,
708 req_max_data(req) - 3);
709 req_grow_data(req, 3 + io->lockread.out.nread);
710
711 /* construct reply */
712 SSVAL(req->out.vwv, VWV(0), io->lockread.out.nread);
713 SMBSRV_VWV_RESERVED(1, 4);
714
715 SCVAL(req->out.data, 0, SMB_DATA_BLOCK);
716 SSVAL(req->out.data, 1, io->lockread.out.nread);
717
718 smbsrv_send_reply(req);
719 }
720
721
722 /****************************************************************************
723 Reply to a lockread (core+ protocol).
724 note that the lock is a write lock, not a read lock!
725 ****************************************************************************/
726 void smbsrv_reply_lockread(struct smbsrv_request *req)
727 {
728 union smb_read *io;
729
730 /* parse request */
731 SMBSRV_CHECK_WCT(req, 5);
732 SMBSRV_TALLOC_IO_PTR(io, union smb_read);
733 SMBSRV_SETUP_NTVFS_REQUEST(reply_lockread_send, NTVFS_ASYNC_STATE_MAY_ASYNC);
734
735 io->lockread.level = RAW_READ_LOCKREAD;
736 io->lockread.in.file.ntvfs= smbsrv_pull_fnum(req, req->in.vwv, VWV(0));
737 io->lockread.in.count = SVAL(req->in.vwv, VWV(1));
738 io->lockread.in.offset = IVAL(req->in.vwv, VWV(2));
739 io->lockread.in.remaining = SVAL(req->in.vwv, VWV(4));
740
741 /* setup the reply packet assuming the maximum possible read */
742 smbsrv_setup_reply(req, 5, 3 + io->lockread.in.count);
743
744 /* tell the backend where to put the data */
745 io->lockread.out.data = req->out.data + 3;
746
747 SMBSRV_CHECK_FILE_HANDLE(io->lockread.in.file.ntvfs);
748 SMBSRV_CALL_NTVFS_BACKEND(ntvfs_read(req->ntvfs, io));
749 }
750
751
752
753 /****************************************************************************
754 Reply to a read (async reply)
755 ****************************************************************************/
756 static void reply_read_send(struct ntvfs_request *ntvfs)
757 {
758 struct smbsrv_request *req;
759 union smb_read *io;
760
761 SMBSRV_CHECK_ASYNC_STATUS(io, union smb_read);
762
763 /* trim packet */
764 io->read.out.nread = MIN(io->read.out.nread,
765 req_max_data(req) - 3);
766 req_grow_data(req, 3 + io->read.out.nread);
767
768 /* construct reply */
769 SSVAL(req->out.vwv, VWV(0), io->read.out.nread);
770 SMBSRV_VWV_RESERVED(1, 4);
771
772 SCVAL(req->out.data, 0, SMB_DATA_BLOCK);
773 SSVAL(req->out.data, 1, io->read.out.nread);
774
775 smbsrv_send_reply(req);
776 }
777
778 /****************************************************************************
779 Reply to a read.
780 ****************************************************************************/
781 void smbsrv_reply_read(struct smbsrv_request *req)
782 {
783 union smb_read *io;
784
785 /* parse request */
786 SMBSRV_CHECK_WCT(req, 5);
787 SMBSRV_TALLOC_IO_PTR(io, union smb_read);
788 SMBSRV_SETUP_NTVFS_REQUEST(reply_read_send, NTVFS_ASYNC_STATE_MAY_ASYNC);
789
790 io->read.level = RAW_READ_READ;
791 io->read.in.file.ntvfs = smbsrv_pull_fnum(req, req->in.vwv, VWV(0));
792 io->read.in.count = SVAL(req->in.vwv, VWV(1));
793 io->read.in.offset = IVAL(req->in.vwv, VWV(2));
794 io->read.in.remaining = SVAL(req->in.vwv, VWV(4));
795
796 /* setup the reply packet assuming the maximum possible read */
797 smbsrv_setup_reply(req, 5, 3 + io->read.in.count);
798
799 /* tell the backend where to put the data */
800 io->read.out.data = req->out.data + 3;
801
802 SMBSRV_CHECK_FILE_HANDLE(io->read.in.file.ntvfs);
803 SMBSRV_CALL_NTVFS_BACKEND(ntvfs_read(req->ntvfs, io));
804 }
805
806 /****************************************************************************
807 Reply to a read and X (async reply)
808 ****************************************************************************/
809 static void reply_read_and_X_send(struct ntvfs_request *ntvfs)
810 {
811 struct smbsrv_request *req;
812 union smb_read *io;
813
814 SMBSRV_CHECK_ASYNC_STATUS(io, union smb_read);
815
816 /* readx reply packets can be over-sized */
817 req->control_flags |= SMBSRV_REQ_CONTROL_LARGE;
818 if (io->readx.in.maxcnt != 0xFFFF &&
819 io->readx.in.mincnt != 0xFFFF) {
820 req_grow_data(req, 1 + io->readx.out.nread);
821 SCVAL(req->out.data, 0, 0); /* padding */
822 } else {
823 req_grow_data(req, io->readx.out.nread);
824 }
825
826 /* construct reply */
827 SSVAL(req->out.vwv, VWV(0), SMB_CHAIN_NONE);
828 SSVAL(req->out.vwv, VWV(1), 0);
829 SSVAL(req->out.vwv, VWV(2), io->readx.out.remaining);
830 SSVAL(req->out.vwv, VWV(3), io->readx.out.compaction_mode);
831 SMBSRV_VWV_RESERVED(4, 1);
832 SSVAL(req->out.vwv, VWV(5), io->readx.out.nread);
833 SSVAL(req->out.vwv, VWV(6), PTR_DIFF(io->readx.out.data, req->out.hdr));
834 SMBSRV_VWV_RESERVED(7, 5);
835
836 smbsrv_chain_reply(req);
837 }
838
839 /****************************************************************************
840 Reply to a read and X.
841 ****************************************************************************/
842 void smbsrv_reply_read_and_X(struct smbsrv_request *req)
843 {
844 union smb_read *io;
845
846 /* parse request */
847 if (req->in.wct != 12) {
848 SMBSRV_CHECK_WCT(req, 10);
849 }
850
851 SMBSRV_TALLOC_IO_PTR(io, union smb_read);
852 SMBSRV_SETUP_NTVFS_REQUEST(reply_read_and_X_send, NTVFS_ASYNC_STATE_MAY_ASYNC);
853
854 io->readx.level = RAW_READ_READX;
855 io->readx.in.file.ntvfs = smbsrv_pull_fnum(req, req->in.vwv, VWV(2));
856 io->readx.in.offset = IVAL(req->in.vwv, VWV(3));
857 io->readx.in.maxcnt = SVAL(req->in.vwv, VWV(5));
858 io->readx.in.mincnt = SVAL(req->in.vwv, VWV(6));
859 io->readx.in.remaining = SVAL(req->in.vwv, VWV(9));
860 if (req->flags2 & FLAGS2_READ_PERMIT_EXECUTE) {
861 io->readx.in.read_for_execute = true;
862 } else {
863 io->readx.in.read_for_execute = false;
864 }
865
866 if (req->smb_conn->negotiate.client_caps & CAP_LARGE_READX) {
867 uint32_t high_part = IVAL(req->in.vwv, VWV(7));
868 if (high_part == 1) {
869 io->readx.in.maxcnt |= high_part << 16;
870 }
871 }
872
873 /* the 64 bit variant */
874 if (req->in.wct == 12) {
875 uint32_t offset_high = IVAL(req->in.vwv, VWV(10));
876 io->readx.in.offset |= (((uint64_t)offset_high) << 32);
877 }
878
879 /* setup the reply packet assuming the maximum possible read */
880 smbsrv_setup_reply(req, 12, 1 + io->readx.in.maxcnt);
881
882 /* tell the backend where to put the data. Notice the pad byte. */
883 if (io->readx.in.maxcnt != 0xFFFF &&
884 io->readx.in.mincnt != 0xFFFF) {
885 io->readx.out.data = req->out.data + 1;
886 } else {
887 io->readx.out.data = req->out.data;
888 }
889
890 SMBSRV_CHECK_FILE_HANDLE(io->readx.in.file.ntvfs);
891 SMBSRV_CALL_NTVFS_BACKEND(ntvfs_read(req->ntvfs, io));
892 }
893
894
895 /****************************************************************************
896 Reply to a writebraw (core+ or LANMAN1.0 protocol).
897 ****************************************************************************/
898 void smbsrv_reply_writebraw(struct smbsrv_request *req)
899 {
900 smbsrv_send_error(req, NT_STATUS_DOS(ERRSRV, ERRuseSTD));
901 }
902
903
904 /****************************************************************************
905 Reply to a writeunlock (async reply)
906 ****************************************************************************/
907 static void reply_writeunlock_send(struct ntvfs_request *ntvfs)
908 {
909 struct smbsrv_request *req;
910 union smb_write *io;
911
912 SMBSRV_CHECK_ASYNC_STATUS(io, union smb_write);
913
914 /* construct reply */
915 smbsrv_setup_reply(req, 1, 0);
916
917 SSVAL(req->out.vwv, VWV(0), io->writeunlock.out.nwritten);
918
919 smbsrv_send_reply(req);
920 }
921
922 /****************************************************************************
923 Reply to a writeunlock (core+).
924 ****************************************************************************/
925 void smbsrv_reply_writeunlock(struct smbsrv_request *req)
926 {
927 union smb_write *io;
928
929 SMBSRV_CHECK_WCT(req, 5);
930 SMBSRV_TALLOC_IO_PTR(io, union smb_write);
931 SMBSRV_SETUP_NTVFS_REQUEST(reply_writeunlock_send, NTVFS_ASYNC_STATE_MAY_ASYNC);
932
933 io->writeunlock.level = RAW_WRITE_WRITEUNLOCK;
934 io->writeunlock.in.file.ntvfs = smbsrv_pull_fnum(req, req->in.vwv, VWV(0));
935 io->writeunlock.in.count = SVAL(req->in.vwv, VWV(1));
936 io->writeunlock.in.offset = IVAL(req->in.vwv, VWV(2));
937 io->writeunlock.in.remaining = SVAL(req->in.vwv, VWV(4));
938 io->writeunlock.in.data = req->in.data + 3;
939
940 /* make sure they gave us the data they promised */
941 if (io->writeunlock.in.count+3 > req->in.data_size) {
942 smbsrv_send_error(req, NT_STATUS_FOOBAR);
943 return;
944 }
945
946 /* make sure the data block is big enough */
947 if (SVAL(req->in.data, 1) < io->writeunlock.in.count) {
948 smbsrv_send_error(req, NT_STATUS_FOOBAR);
949 return;
950 }
951
952 SMBSRV_CHECK_FILE_HANDLE(io->writeunlock.in.file.ntvfs);
953 SMBSRV_CALL_NTVFS_BACKEND(ntvfs_write(req->ntvfs, io));
954 }
955
956
957
958 /****************************************************************************
959 Reply to a write (async reply)
960 ****************************************************************************/
961 static void reply_write_send(struct ntvfs_request *ntvfs)
962 {
963 struct smbsrv_request *req;
964 union smb_write *io;
965
966 SMBSRV_CHECK_ASYNC_STATUS(io, union smb_write);
967
968 /* construct reply */
969 smbsrv_setup_reply(req, 1, 0);
970
971 SSVAL(req->out.vwv, VWV(0), io->write.out.nwritten);
972
973 smbsrv_send_reply(req);
974 }
975
976 /****************************************************************************
977 Reply to a write
978 ****************************************************************************/
979 void smbsrv_reply_write(struct smbsrv_request *req)
980 {
981 union smb_write *io;
982
983 SMBSRV_CHECK_WCT(req, 5);
984 SMBSRV_TALLOC_IO_PTR(io, union smb_write);
985 SMBSRV_SETUP_NTVFS_REQUEST(reply_write_send, NTVFS_ASYNC_STATE_MAY_ASYNC);
986
987 io->write.level = RAW_WRITE_WRITE;
988 io->write.in.file.ntvfs = smbsrv_pull_fnum(req, req->in.vwv, VWV(0));
989 io->write.in.count = SVAL(req->in.vwv, VWV(1));
990 io->write.in.offset = IVAL(req->in.vwv, VWV(2));
991 io->write.in.remaining = SVAL(req->in.vwv, VWV(4));
992 io->write.in.data = req->in.data + 3;
993
994 /* make sure they gave us the data they promised */
995 if (req_data_oob(&req->in.bufinfo, io->write.in.data, io->write.in.count)) {
996 smbsrv_send_error(req, NT_STATUS_FOOBAR);
997 return;
998 }
999
1000 /* make sure the data block is big enough */
1001 if (SVAL(req->in.data, 1) < io->write.in.count) {
1002 smbsrv_send_error(req, NT_STATUS_FOOBAR);
1003 return;
1004 }
1005
1006 SMBSRV_CHECK_FILE_HANDLE(io->write.in.file.ntvfs);
1007 SMBSRV_CALL_NTVFS_BACKEND(ntvfs_write(req->ntvfs, io));
1008 }
1009
1010
1011 /****************************************************************************
1012 Reply to a write and X (async reply)
1013 ****************************************************************************/
1014 static void reply_write_and_X_send(struct ntvfs_request *ntvfs)
1015 {
1016 struct smbsrv_request *req;
1017 union smb_write *io;
1018
1019 SMBSRV_CHECK_ASYNC_STATUS(io, union smb_write);
1020
1021 /* construct reply */
1022 smbsrv_setup_reply(req, 6, 0);
1023
1024 SSVAL(req->out.vwv, VWV(0), SMB_CHAIN_NONE);
1025 SSVAL(req->out.vwv, VWV(1), 0);
1026 SSVAL(req->out.vwv, VWV(2), io->writex.out.nwritten & 0xFFFF);
1027 SSVAL(req->out.vwv, VWV(3), io->writex.out.remaining);
1028 SSVAL(req->out.vwv, VWV(4), io->writex.out.nwritten >> 16);
1029 SMBSRV_VWV_RESERVED(5, 1);
1030
1031 smbsrv_chain_reply(req);
1032 }
1033
1034 /****************************************************************************
1035 Reply to a write and X.
1036 ****************************************************************************/
1037 void smbsrv_reply_write_and_X(struct smbsrv_request *req)
1038 {
1039 union smb_write *io;
1040
1041 if (req->in.wct != 14) {
1042 SMBSRV_CHECK_WCT(req, 12);
1043 }
1044
1045 SMBSRV_TALLOC_IO_PTR(io, union smb_write);
1046 SMBSRV_SETUP_NTVFS_REQUEST(reply_write_and_X_send, NTVFS_ASYNC_STATE_MAY_ASYNC);
1047
1048 io->writex.level = RAW_WRITE_WRITEX;
1049 io->writex.in.file.ntvfs= smbsrv_pull_fnum(req, req->in.vwv, VWV(2));
1050 io->writex.in.offset = IVAL(req->in.vwv, VWV(3));
1051 io->writex.in.wmode = SVAL(req->in.vwv, VWV(7));
1052 io->writex.in.remaining = SVAL(req->in.vwv, VWV(8));
1053 io->writex.in.count = SVAL(req->in.vwv, VWV(10));
1054 io->writex.in.data = req->in.hdr + SVAL(req->in.vwv, VWV(11));
1055
1056 if (req->in.wct == 14) {
1057 uint32_t offset_high = IVAL(req->in.vwv, VWV(12));
1058 uint16_t count_high = SVAL(req->in.vwv, VWV(9));
1059 io->writex.in.offset |= (((uint64_t)offset_high) << 32);
1060 io->writex.in.count |= ((uint32_t)count_high) << 16;
1061 }
1062
1063 /* make sure the data is in bounds */
1064 if (req_data_oob(&req->in.bufinfo, io->writex.in.data, io->writex.in.count)) {
1065 smbsrv_send_error(req, NT_STATUS_FOOBAR);
1066 return;
1067 }
1068
1069 SMBSRV_CHECK_FILE_HANDLE(io->writex.in.file.ntvfs);
1070 SMBSRV_CALL_NTVFS_BACKEND(ntvfs_write(req->ntvfs, io));
1071 }
1072
1073
1074 /****************************************************************************
1075 Reply to a lseek (async reply)
1076 ****************************************************************************/
1077 static void reply_lseek_send(struct ntvfs_request *ntvfs)
1078 {
1079 struct smbsrv_request *req;
1080 union smb_seek *io;
1081
1082 SMBSRV_CHECK_ASYNC_STATUS(io, union smb_seek);
1083
1084 /* construct reply */
1085 smbsrv_setup_reply(req, 2, 0);
1086
1087 SIVALS(req->out.vwv, VWV(0), io->lseek.out.offset);
1088
1089 smbsrv_send_reply(req);
1090 }
1091
1092 /****************************************************************************
1093 Reply to a lseek.
1094 ****************************************************************************/
1095 void smbsrv_reply_lseek(struct smbsrv_request *req)
1096 {
1097 union smb_seek *io;
1098
1099 SMBSRV_CHECK_WCT(req, 4);
1100 SMBSRV_TALLOC_IO_PTR(io, union smb_seek);
1101 SMBSRV_SETUP_NTVFS_REQUEST(reply_lseek_send, NTVFS_ASYNC_STATE_MAY_ASYNC);
1102
1103 io->lseek.in.file.ntvfs = smbsrv_pull_fnum(req, req->in.vwv, VWV(0));
1104 io->lseek.in.mode = SVAL(req->in.vwv, VWV(1));
1105 io->lseek.in.offset = IVALS(req->in.vwv, VWV(2));
1106
1107 SMBSRV_CHECK_FILE_HANDLE(io->lseek.in.file.ntvfs);
1108 SMBSRV_CALL_NTVFS_BACKEND(ntvfs_seek(req->ntvfs, io));
1109 }
1110
1111 /****************************************************************************
1112 Reply to a flush.
1113 ****************************************************************************/
1114 void smbsrv_reply_flush(struct smbsrv_request *req)
1115 {
1116 union smb_flush *io;
1117 uint16_t fnum;
1118
1119 /* parse request */
1120 SMBSRV_CHECK_WCT(req, 1);
1121 SMBSRV_TALLOC_IO_PTR(io, union smb_flush);
1122 SMBSRV_SETUP_NTVFS_REQUEST(reply_simple_send, NTVFS_ASYNC_STATE_MAY_ASYNC);
1123
1124 fnum = SVAL(req->in.vwv, VWV(0));
1125 if (fnum == 0xFFFF) {
1126 io->flush_all.level = RAW_FLUSH_ALL;
1127 } else {
1128 io->flush.level = RAW_FLUSH_FLUSH;
1129 io->flush.in.file.ntvfs = smbsrv_pull_fnum(req, req->in.vwv, VWV(0));
1130 SMBSRV_CHECK_FILE_HANDLE(io->flush.in.file.ntvfs);
1131 }
1132
1133 SMBSRV_CALL_NTVFS_BACKEND(ntvfs_flush(req->ntvfs, io));
1134 }
1135
1136 /****************************************************************************
1137 Reply to a close
1138
1139 Note that this has to deal with closing a directory opened by NT SMB's.
1140 ****************************************************************************/
1141 void smbsrv_reply_close(struct smbsrv_request *req)
1142 {
1143 union smb_close *io;
1144
1145 /* parse request */
1146 SMBSRV_CHECK_WCT(req, 3);
1147 SMBSRV_TALLOC_IO_PTR(io, union smb_close);
1148 SMBSRV_SETUP_NTVFS_REQUEST(reply_simple_send, NTVFS_ASYNC_STATE_MAY_ASYNC);
1149
1150 io->close.level = RAW_CLOSE_CLOSE;
1151 io->close.in.file.ntvfs = smbsrv_pull_fnum(req, req->in.vwv, VWV(0));
1152 io->close.in.write_time = srv_pull_dos_date3(req->smb_conn, req->in.vwv + VWV(1));
1153
1154 SMBSRV_CHECK_FILE_HANDLE(io->close.in.file.ntvfs);
1155 SMBSRV_CALL_NTVFS_BACKEND(ntvfs_close(req->ntvfs, io));
1156 }
1157
1158
1159 /****************************************************************************
1160 Reply to a writeclose (async reply)
1161 ****************************************************************************/
1162 static void reply_writeclose_send(struct ntvfs_request *ntvfs)
1163 {
1164 struct smbsrv_request *req;
1165 union smb_write *io;
1166
1167 SMBSRV_CHECK_ASYNC_STATUS(io, union smb_write);
1168
1169 /* construct reply */
1170 smbsrv_setup_reply(req, 1, 0);
1171
1172 SSVAL(req->out.vwv, VWV(0), io->write.out.nwritten);
1173
1174 smbsrv_send_reply(req);
1175 }
1176
1177 /****************************************************************************
1178 Reply to a writeclose (Core+ protocol).
1179 ****************************************************************************/
1180 void smbsrv_reply_writeclose(struct smbsrv_request *req)
1181 {
1182 union smb_write *io;
1183
1184 /* this one is pretty weird - the wct can be 6 or 12 */
1185 if (req->in.wct != 12) {
1186 SMBSRV_CHECK_WCT(req, 6);
1187 }
1188
1189 SMBSRV_TALLOC_IO_PTR(io, union smb_write);
1190 SMBSRV_SETUP_NTVFS_REQUEST(reply_writeclose_send, NTVFS_ASYNC_STATE_MAY_ASYNC);
1191
1192 io->writeclose.level = RAW_WRITE_WRITECLOSE;
1193 io->writeclose.in.file.ntvfs = smbsrv_pull_fnum(req, req->in.vwv, VWV(0));
1194 io->writeclose.in.count = SVAL(req->in.vwv, VWV(1));
1195 io->writeclose.in.offset = IVAL(req->in.vwv, VWV(2));
1196 io->writeclose.in.mtime = srv_pull_dos_date3(req->smb_conn, req->in.vwv + VWV(4));
1197 io->writeclose.in.data = req->in.data + 1;
1198
1199 /* make sure they gave us the data they promised */
1200 if (req_data_oob(&req->in.bufinfo, io->writeclose.in.data, io->writeclose.in.count)) {
1201 smbsrv_send_error(req, NT_STATUS_FOOBAR);
1202 return;
1203 }
1204
1205 SMBSRV_CHECK_FILE_HANDLE(io->writeclose.in.file.ntvfs);
1206 SMBSRV_CALL_NTVFS_BACKEND(ntvfs_write(req->ntvfs, io));
1207 }
1208
1209 /****************************************************************************
1210 Reply to a lock.
1211 ****************************************************************************/
1212 void smbsrv_reply_lock(struct smbsrv_request *req)
1213 {
1214 union smb_lock *lck;
1215
1216 /* parse request */
1217 SMBSRV_CHECK_WCT(req, 5);
1218 SMBSRV_TALLOC_IO_PTR(lck, union smb_lock);
1219 SMBSRV_SETUP_NTVFS_REQUEST(reply_simple_send, NTVFS_ASYNC_STATE_MAY_ASYNC);
1220
1221 lck->lock.level = RAW_LOCK_LOCK;
1222 lck->lock.in.file.ntvfs = smbsrv_pull_fnum(req, req->in.vwv, VWV(0));
1223 lck->lock.in.count = IVAL(req->in.vwv, VWV(1));
1224 lck->lock.in.offset = IVAL(req->in.vwv, VWV(3));
1225
1226 SMBSRV_CHECK_FILE_HANDLE(lck->lock.in.file.ntvfs);
1227 SMBSRV_CALL_NTVFS_BACKEND(ntvfs_lock(req->ntvfs, lck));
1228 }
1229
1230
1231 /****************************************************************************
1232 Reply to a unlock.
1233 ****************************************************************************/
1234 void smbsrv_reply_unlock(struct smbsrv_request *req)
1235 {
1236 union smb_lock *lck;
1237
1238 /* parse request */
1239 SMBSRV_CHECK_WCT(req, 5);
1240 SMBSRV_TALLOC_IO_PTR(lck, union smb_lock);
1241 SMBSRV_SETUP_NTVFS_REQUEST(reply_simple_send, NTVFS_ASYNC_STATE_MAY_ASYNC);
1242
1243 lck->unlock.level = RAW_LOCK_UNLOCK;
1244 lck->unlock.in.file.ntvfs = smbsrv_pull_fnum(req, req->in.vwv, VWV(0));
1245 lck->unlock.in.count = IVAL(req->in.vwv, VWV(1));
1246 lck->unlock.in.offset = IVAL(req->in.vwv, VWV(3));
1247
1248 SMBSRV_CHECK_FILE_HANDLE(lck->unlock.in.file.ntvfs);
1249 SMBSRV_CALL_NTVFS_BACKEND(ntvfs_lock(req->ntvfs, lck));
1250 }
1251
1252
1253 /****************************************************************************
1254 Reply to a tdis.
1255 ****************************************************************************/
1256 void smbsrv_reply_tdis(struct smbsrv_request *req)
1257 {
1258 struct smbsrv_handle *h, *nh;
1259
1260 SMBSRV_CHECK_WCT(req, 0);
1261
1262 /*
1263 * TODO: cancel all pending requests on this tcon
1264 */
1265
1266 /*
1267 * close all handles on this tcon
1268 */
1269 for (h=req->tcon->handles.list; h; h=nh) {
1270 nh = h->next;
1271 talloc_free(h);
1272 }
1273
1274 /* finally destroy the tcon */
1275 talloc_free(req->tcon);
1276 req->tcon = NULL;
1277
1278 smbsrv_setup_reply(req, 0, 0);
1279 smbsrv_send_reply(req);
1280 }
1281
1282
1283 /****************************************************************************
1284 Reply to a echo. This is one of the few calls that is handled directly (the
1285 backends don't see it at all)
1286 ****************************************************************************/
1287 void smbsrv_reply_echo(struct smbsrv_request *req)
1288 {
1289 uint16_t count;
1290 int i;
1291
1292 SMBSRV_CHECK_WCT(req, 1);
1293
1294 count = SVAL(req->in.vwv, VWV(0));
1295
1296 smbsrv_setup_reply(req, 1, req->in.data_size);
1297
1298 memcpy(req->out.data, req->in.data, req->in.data_size);
1299
1300 for (i=1; i <= count;i++) {
1301 struct smbsrv_request *this_req;
1302
1303 if (i != count) {
1304 this_req = smbsrv_setup_secondary_request(req);
1305 } else {
1306 this_req = req;
1307 }
1308
1309 SSVAL(this_req->out.vwv, VWV(0), i);
1310 smbsrv_send_reply(this_req);
1311 }
1312 }
1313
1314
1315
1316 /****************************************************************************
1317 Reply to a printopen (async reply)
1318 ****************************************************************************/
1319 static void reply_printopen_send(struct ntvfs_request *ntvfs)
1320 {
1321 struct smbsrv_request *req;
1322 union smb_open *oi;
1323
1324 SMBSRV_CHECK_ASYNC_STATUS(oi, union smb_open);
1325
1326 /* construct reply */
1327 smbsrv_setup_reply(req, 1, 0);
1328
1329 smbsrv_push_fnum(req->out.vwv, VWV(0), oi->openold.out.file.ntvfs);
1330
1331 smbsrv_send_reply(req);
1332 }
1333
1334 /****************************************************************************
1335 Reply to a printopen.
1336 ****************************************************************************/
1337 void smbsrv_reply_printopen(struct smbsrv_request *req)
1338 {
1339 union smb_open *oi;
1340
1341 /* parse request */
1342 SMBSRV_CHECK_WCT(req, 2);
1343 SMBSRV_TALLOC_IO_PTR(oi, union smb_open);
1344 SMBSRV_SETUP_NTVFS_REQUEST(reply_printopen_send, NTVFS_ASYNC_STATE_MAY_ASYNC);
1345
1346 oi->splopen.level = RAW_OPEN_SPLOPEN;
1347 oi->splopen.in.setup_length = SVAL(req->in.vwv, VWV(0));
1348 oi->splopen.in.mode = SVAL(req->in.vwv, VWV(1));
1349
1350 req_pull_ascii4(&req->in.bufinfo, &oi->splopen.in.ident, req->in.data, STR_TERMINATE);
1351
1352 SMBSRV_CALL_NTVFS_BACKEND(ntvfs_open(req->ntvfs, oi));
1353 }
1354
1355 /****************************************************************************
1356 Reply to a printclose.
1357 ****************************************************************************/
1358 void smbsrv_reply_printclose(struct smbsrv_request *req)
1359 {
1360 union smb_close *io;
1361
1362 /* parse request */
1363 SMBSRV_CHECK_WCT(req, 3);
1364 SMBSRV_TALLOC_IO_PTR(io, union smb_close);
1365 SMBSRV_SETUP_NTVFS_REQUEST(reply_simple_send, NTVFS_ASYNC_STATE_MAY_ASYNC);
1366
1367 io->splclose.level = RAW_CLOSE_SPLCLOSE;
1368 io->splclose.in.file.ntvfs = smbsrv_pull_fnum(req, req->in.vwv, VWV(0));
1369
1370 SMBSRV_CHECK_FILE_HANDLE(io->splclose.in.file.ntvfs);
1371 SMBSRV_CALL_NTVFS_BACKEND(ntvfs_close(req->ntvfs, io));
1372 }
1373
1374 /****************************************************************************
1375 Reply to a printqueue.
1376 ****************************************************************************/
1377 static void reply_printqueue_send(struct ntvfs_request *ntvfs)
1378 {
1379 struct smbsrv_request *req;
1380 union smb_lpq *lpq;
1381 int i, maxcount;
1382 const uint_t el_size = 28;
1383
1384 SMBSRV_CHECK_ASYNC_STATUS(lpq,union smb_lpq);
1385
1386 /* construct reply */
1387 smbsrv_setup_reply(req, 2, 0);
1388
1389 /* truncate the returned list to fit in the negotiated buffer size */
1390 maxcount = (req_max_data(req) - 3) / el_size;
1391 if (maxcount < lpq->retq.out.count) {
1392 lpq->retq.out.count = maxcount;
1393 }
1394
1395 /* setup enough space in the reply */
1396 req_grow_data(req, 3 + el_size*lpq->retq.out.count);
1397
1398 /* and fill it in */
1399 SSVAL(req->out.vwv, VWV(0), lpq->retq.out.count);
1400 SSVAL(req->out.vwv, VWV(1), lpq->retq.out.restart_idx);
1401
1402 SCVAL(req->out.data, 0, SMB_DATA_BLOCK);
1403 SSVAL(req->out.data, 1, el_size*lpq->retq.out.count);
1404
1405 req->out.ptr = req->out.data + 3;
1406
1407 for (i=0;i<lpq->retq.out.count;i++) {
1408 srv_push_dos_date2(req->smb_conn, req->out.ptr, 0 , lpq->retq.out.queue[i].time);
1409 SCVAL(req->out.ptr, 4, lpq->retq.out.queue[i].status);
1410 SSVAL(req->out.ptr, 5, lpq->retq.out.queue[i].job);
1411 SIVAL(req->out.ptr, 7, lpq->retq.out.queue[i].size);
1412 SCVAL(req->out.ptr, 11, 0); /* reserved */
1413 req_push_str(req, req->out.ptr+12, lpq->retq.out.queue[i].user, 16, STR_ASCII);
1414 req->out.ptr += el_size;
1415 }
1416
1417 smbsrv_send_reply(req);
1418 }
1419
1420 /****************************************************************************
1421 Reply to a printqueue.
1422 ****************************************************************************/
1423 void smbsrv_reply_printqueue(struct smbsrv_request *req)
1424 {
1425 union smb_lpq *lpq;
1426
1427 /* parse request */
1428 SMBSRV_CHECK_WCT(req, 2);
1429 SMBSRV_TALLOC_IO_PTR(lpq, union smb_lpq);
1430 SMBSRV_SETUP_NTVFS_REQUEST(reply_printqueue_send, NTVFS_ASYNC_STATE_MAY_ASYNC);
1431
1432 lpq->retq.level = RAW_LPQ_RETQ;
1433 lpq->retq.in.maxcount = SVAL(req->in.vwv, VWV(0));
1434 lpq->retq.in.startidx = SVAL(req->in.vwv, VWV(1));
1435
1436 SMBSRV_CALL_NTVFS_BACKEND(ntvfs_lpq(req->ntvfs, lpq));
1437 }
1438
1439
1440 /****************************************************************************
1441 Reply to a printwrite.
1442 ****************************************************************************/
1443 void smbsrv_reply_printwrite(struct smbsrv_request *req)
1444 {
1445 union smb_write *io;
1446
1447 /* parse request */
1448 SMBSRV_CHECK_WCT(req, 1);
1449 SMBSRV_TALLOC_IO_PTR(io, union smb_write);
1450 SMBSRV_SETUP_NTVFS_REQUEST(reply_simple_send, NTVFS_ASYNC_STATE_MAY_ASYNC);
1451
1452 if (req->in.data_size < 3) {
1453 smbsrv_send_error(req, NT_STATUS_FOOBAR);
1454 return;
1455 }
1456
1457 io->splwrite.level = RAW_WRITE_SPLWRITE;
1458 io->splwrite.in.file.ntvfs = smbsrv_pull_fnum(req, req->in.vwv, VWV(0));
1459 io->splwrite.in.count = SVAL(req->in.data, 1);
1460 io->splwrite.in.data = req->in.data + 3;
1461
1462 /* make sure they gave us the data they promised */
1463 if (req_data_oob(&req->in.bufinfo, io->splwrite.in.data, io->splwrite.in.count)) {
1464 smbsrv_send_error(req, NT_STATUS_FOOBAR);
1465 return;
1466 }
1467
1468 SMBSRV_CHECK_FILE_HANDLE(io->splwrite.in.file.ntvfs);
1469 SMBSRV_CALL_NTVFS_BACKEND(ntvfs_write(req->ntvfs, io));
1470 }
1471
1472
1473 /****************************************************************************
1474 Reply to a mkdir.
1475 ****************************************************************************/
1476 void smbsrv_reply_mkdir(struct smbsrv_request *req)
1477 {
1478 union smb_mkdir *io;
1479
1480 /* parse the request */
1481 SMBSRV_CHECK_WCT(req, 0);
1482 SMBSRV_TALLOC_IO_PTR(io, union smb_mkdir);
1483 SMBSRV_SETUP_NTVFS_REQUEST(reply_simple_send, NTVFS_ASYNC_STATE_MAY_ASYNC);
1484
1485 io->generic.level = RAW_MKDIR_MKDIR;
1486 req_pull_ascii4(&req->in.bufinfo, &io->mkdir.in.path, req->in.data, STR_TERMINATE);
1487
1488 SMBSRV_CALL_NTVFS_BACKEND(ntvfs_mkdir(req->ntvfs, io));
1489 }
1490
1491
1492 /****************************************************************************
1493 Reply to a rmdir.
1494 ****************************************************************************/
1495 void smbsrv_reply_rmdir(struct smbsrv_request *req)
1496 {
1497 struct smb_rmdir *io;
1498
1499 /* parse the request */
1500 SMBSRV_CHECK_WCT(req, 0);
1501 SMBSRV_TALLOC_IO_PTR(io, struct smb_rmdir);
1502 SMBSRV_SETUP_NTVFS_REQUEST(reply_simple_send, NTVFS_ASYNC_STATE_MAY_ASYNC);
1503
1504 req_pull_ascii4(&req->in.bufinfo, &io->in.path, req->in.data, STR_TERMINATE);
1505
1506 SMBSRV_CALL_NTVFS_BACKEND(ntvfs_rmdir(req->ntvfs, io));
1507 }
1508
1509
1510 /****************************************************************************
1511 Reply to a mv.
1512 ****************************************************************************/
1513 void smbsrv_reply_mv(struct smbsrv_request *req)
1514 {
1515 union smb_rename *io;
1516 uint8_t *p;
1517
1518 /* parse the request */
1519 SMBSRV_CHECK_WCT(req, 1);
1520 SMBSRV_TALLOC_IO_PTR(io, union smb_rename);
1521 SMBSRV_SETUP_NTVFS_REQUEST(reply_simple_send, NTVFS_ASYNC_STATE_MAY_ASYNC);
1522
1523 io->generic.level = RAW_RENAME_RENAME;
1524 io->rename.in.attrib = SVAL(req->in.vwv, VWV(0));
1525
1526 p = req->in.data;
1527 p += req_pull_ascii4(&req->in.bufinfo, &io->rename.in.pattern1, p, STR_TERMINATE);
1528 p += req_pull_ascii4(&req->in.bufinfo, &io->rename.in.pattern2, p, STR_TERMINATE);
1529
1530 if (!io->rename.in.pattern1 || !io->rename.in.pattern2) {
1531 smbsrv_send_error(req, NT_STATUS_FOOBAR);
1532 return;
1533 }
1534
1535 SMBSRV_CALL_NTVFS_BACKEND(ntvfs_rename(req->ntvfs, io));
1536 }
1537
1538
1539 /****************************************************************************
1540 Reply to an NT rename.
1541 ****************************************************************************/
1542 void smbsrv_reply_ntrename(struct smbsrv_request *req)
1543 {
1544 union smb_rename *io;
1545 uint8_t *p;
1546
1547 /* parse the request */
1548 SMBSRV_CHECK_WCT(req, 4);
1549 SMBSRV_TALLOC_IO_PTR(io, union smb_rename);
1550 SMBSRV_SETUP_NTVFS_REQUEST(reply_simple_send, NTVFS_ASYNC_STATE_MAY_ASYNC);
1551
1552 io->generic.level = RAW_RENAME_NTRENAME;
1553 io->ntrename.in.attrib = SVAL(req->in.vwv, VWV(0));
1554 io->ntrename.in.flags = SVAL(req->in.vwv, VWV(1));
1555 io->ntrename.in.cluster_size = IVAL(req->in.vwv, VWV(2));
1556
1557 p = req->in.data;
1558 p += req_pull_ascii4(&req->in.bufinfo, &io->ntrename.in.old_name, p, STR_TERMINATE);
1559 p += req_pull_ascii4(&req->in.bufinfo, &io->ntrename.in.new_name, p, STR_TERMINATE);
1560
1561 if (!io->ntrename.in.old_name || !io->ntrename.in.new_name) {
1562 smbsrv_send_error(req, NT_STATUS_FOOBAR);
1563 return;
1564 }
1565
1566 SMBSRV_CALL_NTVFS_BACKEND(ntvfs_rename(req->ntvfs, io));
1567 }
1568
1569 /****************************************************************************
1570 Reply to a file copy (async reply)
1571 ****************************************************************************/
1572 static void reply_copy_send(struct ntvfs_request *ntvfs)
1573 {
1574 struct smbsrv_request *req;
1575 struct smb_copy *cp;
1576
1577 SMBSRV_CHECK_ASYNC_STATUS(cp, struct smb_copy);
1578
1579 /* build the reply */
1580 smbsrv_setup_reply(req, 1, 0);
1581
1582 SSVAL(req->out.vwv, VWV(0), cp->out.count);
1583
1584 smbsrv_send_reply(req);
1585 }
1586
1587 /****************************************************************************
1588 Reply to a file copy.
1589 ****************************************************************************/
1590 void smbsrv_reply_copy(struct smbsrv_request *req)
1591 {
1592 struct smb_copy *cp;
1593 uint8_t *p;
1594
1595 /* parse request */
1596 SMBSRV_CHECK_WCT(req, 3);
1597 SMBSRV_TALLOC_IO_PTR(cp, struct smb_copy);
1598 SMBSRV_SETUP_NTVFS_REQUEST(reply_copy_send, NTVFS_ASYNC_STATE_MAY_ASYNC);
1599
1600 cp->in.tid2 = SVAL(req->in.vwv, VWV(0));
1601 cp->in.ofun = SVAL(req->in.vwv, VWV(1));
1602 cp->in.flags = SVAL(req->in.vwv, VWV(2));
1603
1604 p = req->in.data;
1605 p += req_pull_ascii4(&req->in.bufinfo, &cp->in.path1, p, STR_TERMINATE);
1606 p += req_pull_ascii4(&req->in.bufinfo, &cp->in.path2, p, STR_TERMINATE);
1607
1608 if (!cp->in.path1 || !cp->in.path2) {
1609 smbsrv_send_error(req, NT_STATUS_FOOBAR);
1610 return;
1611 }
1612
1613 SMBSRV_CALL_NTVFS_BACKEND(ntvfs_copy(req->ntvfs, cp));
1614 }
1615
1616 /****************************************************************************
1617 Reply to a lockingX request (async send)
1618 ****************************************************************************/
1619 static void reply_lockingX_send(struct ntvfs_request *ntvfs)
1620 {
1621 struct smbsrv_request *req;
1622 union smb_lock *lck;
1623
1624 SMBSRV_CHECK_ASYNC_STATUS(lck, union smb_lock);
1625
1626 /* if it was an oplock break ack then we only send a reply if
1627 there was an error */
1628 if (lck->lockx.in.ulock_cnt + lck->lockx.in.lock_cnt == 0) {
1629 talloc_free(req);
1630 return;
1631 }
1632
1633 /* construct reply */
1634 smbsrv_setup_reply(req, 2, 0);
1635
1636 SSVAL(req->out.vwv, VWV(0), SMB_CHAIN_NONE);
1637 SSVAL(req->out.vwv, VWV(1), 0);
1638
1639 smbsrv_chain_reply(req);
1640 }
1641
1642
1643 /****************************************************************************
1644 Reply to a lockingX request.
1645 ****************************************************************************/
1646 void smbsrv_reply_lockingX(struct smbsrv_request *req)
1647 {
1648 union smb_lock *lck;
1649 uint_t total_locks, i;
1650 uint_t lck_size;
1651 uint8_t *p;
1652
1653 /* parse request */
1654 SMBSRV_CHECK_WCT(req, 8);
1655 SMBSRV_TALLOC_IO_PTR(lck, union smb_lock);
1656 SMBSRV_SETUP_NTVFS_REQUEST(reply_lockingX_send, NTVFS_ASYNC_STATE_MAY_ASYNC);
1657
1658 lck->lockx.level = RAW_LOCK_LOCKX;
1659 lck->lockx.in.file.ntvfs= smbsrv_pull_fnum(req, req->in.vwv, VWV(2));
1660 lck->lockx.in.mode = SVAL(req->in.vwv, VWV(3));
1661 lck->lockx.in.timeout = IVAL(req->in.vwv, VWV(4));
1662 lck->lockx.in.ulock_cnt = SVAL(req->in.vwv, VWV(6));
1663 lck->lockx.in.lock_cnt = SVAL(req->in.vwv, VWV(7));
1664
1665 total_locks = lck->lockx.in.ulock_cnt + lck->lockx.in.lock_cnt;
1666
1667 /* there are two variants, one with 64 bit offsets and counts */
1668 if (lck->lockx.in.mode & LOCKING_ANDX_LARGE_FILES) {
1669 lck_size = 20;
1670 } else {
1671 lck_size = 10;
1672 }
1673
1674 /* make sure we got the promised data */
1675 if (req_data_oob(&req->in.bufinfo, req->in.data, total_locks * lck_size)) {
1676 smbsrv_send_error(req, NT_STATUS_FOOBAR);
1677 return;
1678 }
1679
1680 /* allocate the locks array */
1681 if (total_locks) {
1682 lck->lockx.in.locks = talloc_array(req, struct smb_lock_entry,
1683 total_locks);
1684 if (lck->lockx.in.locks == NULL) {
1685 smbsrv_send_error(req, NT_STATUS_NO_MEMORY);
1686 return;
1687 }
1688 }
1689
1690 p = req->in.data;
1691
1692 /* construct the locks array */
1693 for (i=0;i<total_locks;i++) {
1694 uint32_t ofs_high=0, count_high=0;
1695
1696 lck->lockx.in.locks[i].pid = SVAL(p, 0);
1697
1698 if (lck->lockx.in.mode & LOCKING_ANDX_LARGE_FILES) {
1699 ofs_high = IVAL(p, 4);
1700 lck->lockx.in.locks[i].offset = IVAL(p, 8);
1701 count_high = IVAL(p, 12);
1702 lck->lockx.in.locks[i].count = IVAL(p, 16);
1703 } else {
1704 lck->lockx.in.locks[i].offset = IVAL(p, 2);
1705 lck->lockx.in.locks[i].count = IVAL(p, 6);
1706 }
1707 if (ofs_high != 0 || count_high != 0) {
1708 lck->lockx.in.locks[i].count |= ((uint64_t)count_high) << 32;
1709 lck->lockx.in.locks[i].offset |= ((uint64_t)ofs_high) << 32;
1710 }
1711 p += lck_size;
1712 }
1713
1714 SMBSRV_CHECK_FILE_HANDLE(lck->lockx.in.file.ntvfs);
1715 SMBSRV_CALL_NTVFS_BACKEND(ntvfs_lock(req->ntvfs, lck));
1716 }
1717
1718 /****************************************************************************
1719 Reply to a SMBreadbmpx (read block multiplex) request.
1720 ****************************************************************************/
1721 void smbsrv_reply_readbmpx(struct smbsrv_request *req)
1722 {
1723 /* tell the client to not use a multiplexed read - its too broken to use */
1724 smbsrv_send_error(req, NT_STATUS_DOS(ERRSRV, ERRuseSTD));
1725 }
1726
1727
1728 /****************************************************************************
1729 Reply to a SMBsetattrE.
1730 ****************************************************************************/
1731 void smbsrv_reply_setattrE(struct smbsrv_request *req)
1732 {
1733 union smb_setfileinfo *info;
1734
1735 /* parse request */
1736 SMBSRV_CHECK_WCT(req, 7);
1737 SMBSRV_TALLOC_IO_PTR(info, union smb_setfileinfo);
1738 SMBSRV_SETUP_NTVFS_REQUEST(reply_simple_send, NTVFS_ASYNC_STATE_MAY_ASYNC);
1739
1740 info->setattre.level = RAW_SFILEINFO_SETATTRE;
1741 info->setattre.in.file.ntvfs = smbsrv_pull_fnum(req, req->in.vwv, VWV(0));
1742 info->setattre.in.create_time = srv_pull_dos_date2(req->smb_conn, req->in.vwv + VWV(1));
1743 info->setattre.in.access_time = srv_pull_dos_date2(req->smb_conn, req->in.vwv + VWV(3));
1744 info->setattre.in.write_time = srv_pull_dos_date2(req->smb_conn, req->in.vwv + VWV(5));
1745
1746 SMBSRV_CHECK_FILE_HANDLE(info->setattre.in.file.ntvfs);
1747 SMBSRV_CALL_NTVFS_BACKEND(ntvfs_setfileinfo(req->ntvfs, info));
1748 }
1749
1750
1751 /****************************************************************************
1752 Reply to a SMBwritebmpx (write block multiplex primary) request.
1753 ****************************************************************************/
1754 void smbsrv_reply_writebmpx(struct smbsrv_request *req)
1755 {
1756 smbsrv_send_error(req, NT_STATUS_DOS(ERRSRV, ERRuseSTD));
1757 }
1758
1759
1760 /****************************************************************************
1761 Reply to a SMBwritebs (write block multiplex secondary) request.
1762 ****************************************************************************/
1763 void smbsrv_reply_writebs(struct smbsrv_request *req)
1764 {
1765 smbsrv_send_error(req, NT_STATUS_DOS(ERRSRV, ERRuseSTD));
1766 }
1767
1768
1769
1770 /****************************************************************************
1771 Reply to a SMBgetattrE (async reply)
1772 ****************************************************************************/
1773 static void reply_getattrE_send(struct ntvfs_request *ntvfs)
1774 {
1775 struct smbsrv_request *req;
1776 union smb_fileinfo *info;
1777
1778 SMBSRV_CHECK_ASYNC_STATUS(info, union smb_fileinfo);
1779
1780 /* setup reply */
1781 smbsrv_setup_reply(req, 11, 0);
1782
1783 srv_push_dos_date2(req->smb_conn, req->out.vwv, VWV(0), info->getattre.out.create_time);
1784 srv_push_dos_date2(req->smb_conn, req->out.vwv, VWV(2), info->getattre.out.access_time);
1785 srv_push_dos_date2(req->smb_conn, req->out.vwv, VWV(4), info->getattre.out.write_time);
1786 SIVAL(req->out.vwv, VWV(6), info->getattre.out.size);
1787 SIVAL(req->out.vwv, VWV(8), info->getattre.out.alloc_size);
1788 SSVAL(req->out.vwv, VWV(10), info->getattre.out.attrib);
1789
1790 smbsrv_send_reply(req);
1791 }
1792
1793 /****************************************************************************
1794 Reply to a SMBgetattrE.
1795 ****************************************************************************/
1796 void smbsrv_reply_getattrE(struct smbsrv_request *req)
1797 {
1798 union smb_fileinfo *info;
1799
1800 /* parse request */
1801 SMBSRV_CHECK_WCT(req, 1);
1802 SMBSRV_TALLOC_IO_PTR(info, union smb_fileinfo);
1803 SMBSRV_SETUP_NTVFS_REQUEST(reply_getattrE_send, NTVFS_ASYNC_STATE_MAY_ASYNC);
1804
1805 info->getattr.level = RAW_FILEINFO_GETATTRE;
1806 info->getattr.in.file.ntvfs = smbsrv_pull_fnum(req, req->in.vwv, VWV(0));
1807
1808 SMBSRV_CHECK_FILE_HANDLE(info->getattr.in.file.ntvfs);
1809 SMBSRV_CALL_NTVFS_BACKEND(ntvfs_qfileinfo(req->ntvfs, info));
1810 }
1811
1812 void smbsrv_reply_sesssetup_send(struct smbsrv_request *req,
1813 union smb_sesssetup *io,
1814 NTSTATUS status)
1815 {
1816 switch (io->old.level) {
1817 case RAW_SESSSETUP_OLD:
1818 if (!NT_STATUS_IS_OK(status)) {
1819 smbsrv_send_error(req, status);
1820 return;
1821 }
1822
1823 /* construct reply */
1824 smbsrv_setup_reply(req, 3, 0);
1825
1826 SSVAL(req->out.vwv, VWV(0), SMB_CHAIN_NONE);
1827 SSVAL(req->out.vwv, VWV(1), 0);
1828 SSVAL(req->out.vwv, VWV(2), io->old.out.action);
1829
1830 SSVAL(req->out.hdr, HDR_UID, io->old.out.vuid);
1831
1832 smbsrv_chain_reply(req);
1833 return;
1834
1835 case RAW_SESSSETUP_NT1:
1836 if (!NT_STATUS_IS_OK(status)) {
1837 smbsrv_send_error(req, status);
1838 return;
1839 }
1840
1841 /* construct reply */
1842 smbsrv_setup_reply(req, 3, 0);
1843
1844 SSVAL(req->out.vwv, VWV(0), SMB_CHAIN_NONE);
1845 SSVAL(req->out.vwv, VWV(1), 0);
1846 SSVAL(req->out.vwv, VWV(2), io->nt1.out.action);
1847
1848 SSVAL(req->out.hdr, HDR_UID, io->nt1.out.vuid);
1849
1850 req_push_str(req, NULL, io->nt1.out.os, -1, STR_TERMINATE);
1851 req_push_str(req, NULL, io->nt1.out.lanman, -1, STR_TERMINATE);
1852 req_push_str(req, NULL, io->nt1.out.domain, -1, STR_TERMINATE);
1853
1854 smbsrv_chain_reply(req);
1855 return;
1856
1857 case RAW_SESSSETUP_SPNEGO:
1858 if (!NT_STATUS_IS_OK(status) &&
1859 !NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
1860 smbsrv_send_error(req, status);
1861 return;
1862 }
1863
1864 /* construct reply */
1865 smbsrv_setup_reply(req, 4, io->spnego.out.secblob.length);
1866
1867 if (NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {
1868 smbsrv_setup_error(req, status);
1869 }
1870
1871 SSVAL(req->out.vwv, VWV(0), SMB_CHAIN_NONE);
1872 SSVAL(req->out.vwv, VWV(1), 0);
1873 SSVAL(req->out.vwv, VWV(2), io->spnego.out.action);
1874 SSVAL(req->out.vwv, VWV(3), io->spnego.out.secblob.length);
1875
1876 SSVAL(req->out.hdr, HDR_UID, io->spnego.out.vuid);
1877
1878 memcpy(req->out.data, io->spnego.out.secblob.data, io->spnego.out.secblob.length);
1879 req_push_str(req, NULL, io->spnego.out.os, -1, STR_TERMINATE);
1880 req_push_str(req, NULL, io->spnego.out.lanman, -1, STR_TERMINATE);
1881 req_push_str(req, NULL, io->spnego.out.workgroup, -1, STR_TERMINATE);
1882
1883 smbsrv_chain_reply(req);
1884 return;
1885
1886 case RAW_SESSSETUP_SMB2:
1887 break;
1888 }
1889
1890 smbsrv_send_error(req, NT_STATUS_INTERNAL_ERROR);
1891 }
1892
1893 /****************************************************************************
1894 reply to an old style session setup command
1895 ****************************************************************************/
1896 static void reply_sesssetup_old(struct smbsrv_request *req)
1897 {
1898 uint8_t *p;
1899 uint16_t passlen;
1900 union smb_sesssetup *io;
1901
1902 SMBSRV_TALLOC_IO_PTR(io, union smb_sesssetup);
1903
1904 io->old.level = RAW_SESSSETUP_OLD;
1905
1906 /* parse request */
1907 io->old.in.bufsize = SVAL(req->in.vwv, VWV(2));
1908 io->old.in.mpx_max = SVAL(req->in.vwv, VWV(3));
1909 io->old.in.vc_num = SVAL(req->in.vwv, VWV(4));
1910 io->old.in.sesskey = IVAL(req->in.vwv, VWV(5));
1911 passlen = SVAL(req->in.vwv, VWV(7));
1912
1913 /* check the request isn't malformed */
1914 if (req_data_oob(&req->in.bufinfo, req->in.data, passlen)) {
1915 smbsrv_send_error(req, NT_STATUS_FOOBAR);
1916 return;
1917 }
1918
1919 p = req->in.data;
1920 if (!req_pull_blob(&req->in.bufinfo, p, passlen, &io->old.in.password)) {
1921 smbsrv_send_error(req, NT_STATUS_FOOBAR);
1922 return;
1923 }
1924 p += passlen;
1925
1926 p += req_pull_string(&req->in.bufinfo, &io->old.in.user, p, -1, STR_TERMINATE);
1927 p += req_pull_string(&req->in.bufinfo, &io->old.in.domain, p, -1, STR_TERMINATE);
1928 p += req_pull_string(&req->in.bufinfo, &io->old.in.os, p, -1, STR_TERMINATE);
1929 p += req_pull_string(&req->in.bufinfo, &io->old.in.lanman, p, -1, STR_TERMINATE);
1930
1931 /* call the generic handler */
1932 smbsrv_sesssetup_backend(req, io);
1933 }
1934
1935 /****************************************************************************
1936 reply to an NT1 style session setup command
1937 ****************************************************************************/
1938 static void reply_sesssetup_nt1(struct smbsrv_request *req)
1939 {
1940 uint8_t *p;
1941 uint16_t passlen1, passlen2;
1942 union smb_sesssetup *io;
1943
1944 SMBSRV_TALLOC_IO_PTR(io, union smb_sesssetup);
1945
1946 io->nt1.level = RAW_SESSSETUP_NT1;
1947
1948 /* parse request */
1949 io->nt1.in.bufsize = SVAL(req->in.vwv, VWV(2));
1950 io->nt1.in.mpx_max = SVAL(req->in.vwv, VWV(3));
1951 io->nt1.in.vc_num = SVAL(req->in.vwv, VWV(4));
1952 io->nt1.in.sesskey = IVAL(req->in.vwv, VWV(5));
1953 passlen1 = SVAL(req->in.vwv, VWV(7));
1954 passlen2 = SVAL(req->in.vwv, VWV(8));
1955 io->nt1.in.capabilities = IVAL(req->in.vwv, VWV(11));
1956
1957 /* check the request isn't malformed */
1958 if (req_data_oob(&req->in.bufinfo, req->in.data, passlen1) ||
1959 req_data_oob(&req->in.bufinfo, req->in.data + passlen1, passlen2)) {
1960 smbsrv_send_error(req, NT_STATUS_FOOBAR);
1961 return;
1962 }
1963
1964 p = req->in.data;
1965 if (!req_pull_blob(&req->in.bufinfo, p, passlen1, &io->nt1.in.password1)) {
1966 smbsrv_send_error(req, NT_STATUS_FOOBAR);
1967 return;
1968 }
1969 p += passlen1;
1970 if (!req_pull_blob(&req->in.bufinfo, p, passlen2, &io->nt1.in.password2)) {
1971 smbsrv_send_error(req, NT_STATUS_FOOBAR);
1972 return;
1973 }
1974 p += passlen2;
1975
1976 p += req_pull_string(&req->in.bufinfo, &io->nt1.in.user, p, -1, STR_TERMINATE);
1977 p += req_pull_string(&req->in.bufinfo, &io->nt1.in.domain, p, -1, STR_TERMINATE);
1978 p += req_pull_string(&req->in.bufinfo, &io->nt1.in.os, p, -1, STR_TERMINATE);
1979 p += req_pull_string(&req->in.bufinfo, &io->nt1.in.lanman, p, -1, STR_TERMINATE);
1980
1981 /* call the generic handler */
1982 smbsrv_sesssetup_backend(req, io);
1983 }
1984
1985
1986 /****************************************************************************
1987 reply to an SPNEGO style session setup command
1988 ****************************************************************************/
1989 static void reply_sesssetup_spnego(struct smbsrv_request *req)
1990 {
1991 uint8_t *p;
1992 uint16_t blob_len;
1993 union smb_sesssetup *io;
1994
1995 SMBSRV_TALLOC_IO_PTR(io, union smb_sesssetup);
1996
1997 io->spnego.level = RAW_SESSSETUP_SPNEGO;
1998
1999 /* parse request */
2000 io->spnego.in.bufsize = SVAL(req->in.vwv, VWV(2));
2001 io->spnego.in.mpx_max = SVAL(req->in.vwv, VWV(3));
2002 io->spnego.in.vc_num = SVAL(req->in.vwv, VWV(4));
2003 io->spnego.in.sesskey = IVAL(req->in.vwv, VWV(5));
2004 blob_len = SVAL(req->in.vwv, VWV(7));
2005 io->spnego.in.capabilities = IVAL(req->in.vwv, VWV(10));
2006
2007 p = req->in.data;
2008 if (!req_pull_blob(&req->in.bufinfo, p, blob_len, &io->spnego.in.secblob)) {
2009 smbsrv_send_error(req, NT_STATUS_FOOBAR);
2010 return;
2011 }
2012 p += blob_len;
2013
2014 p += req_pull_string(&req->in.bufinfo, &io->spnego.in.os, p, -1, STR_TERMINATE);
2015 p += req_pull_string(&req->in.bufinfo, &io->spnego.in.lanman, p, -1, STR_TERMINATE);
2016 p += req_pull_string(&req->in.bufinfo, &io->spnego.in.workgroup, p, -1, STR_TERMINATE);
2017
2018 /* call the generic handler */
2019 smbsrv_sesssetup_backend(req, io);
2020 }
2021
2022
2023 /****************************************************************************
2024 reply to a session setup command
2025 ****************************************************************************/
2026 void smbsrv_reply_sesssetup(struct smbsrv_request *req)
2027 {
2028 switch (req->in.wct) {
2029 case 10:
2030 /* a pre-NT1 call */
2031 reply_sesssetup_old(req);
2032 return;
2033 case 13:
2034 /* a NT1 call */
2035 reply_sesssetup_nt1(req);
2036 return;
2037 case 12:
2038 /* a SPNEGO call */
2039 reply_sesssetup_spnego(req);
2040 return;
2041 }
2042
2043 /* unsupported variant */
2044 smbsrv_send_error(req, NT_STATUS_FOOBAR);
2045 }
2046
2047 /****************************************************************************
2048 Reply to a exit. This closes all files open by a smbpid
2049 ****************************************************************************/
2050 void smbsrv_reply_exit(struct smbsrv_request *req)
2051 {
2052 struct smbsrv_handle_session_item *i, *ni;
2053 struct smbsrv_handle *h;
2054 struct smbsrv_tcon *tcon;
2055 uint16_t smbpid;
2056
2057 SMBSRV_CHECK_WCT(req, 0);
2058
2059 smbpid = SVAL(req->in.hdr,HDR_PID);
2060
2061 /* first destroy all handles, which have the same PID as the request */
2062 for (i=req->session->handles; i; i=ni) {
2063 ni = i->next;
2064 h = i->handle;
2065 if (h->smbpid != smbpid) continue;
2066
2067 talloc_free(h);
2068 }
2069
2070 /*
2071 * then let the ntvfs backends proxy the call if they want to,
2072 * but we didn't check the return value of the backends,
2073 * as for the SMB client the call succeed
2074 */
2075 for (tcon=req->smb_conn->smb_tcons.list;tcon;tcon=tcon->next) {
2076 req->tcon = tcon;
2077 SMBSRV_SETUP_NTVFS_REQUEST(NULL,0);
2078 ntvfs_exit(req->ntvfs);
2079 talloc_free(req->ntvfs);
2080 req->ntvfs = NULL;
2081 req->tcon = NULL;
2082 }
2083
2084 smbsrv_setup_reply(req, 0, 0);
2085 smbsrv_send_reply(req);
2086 }
2087
2088 /****************************************************************************
2089 Reply to a SMBulogoffX.
2090 ****************************************************************************/
2091 void smbsrv_reply_ulogoffX(struct smbsrv_request *req)
2092 {
2093 struct smbsrv_handle_session_item *i, *ni;
2094 struct smbsrv_handle *h;
2095 struct smbsrv_tcon *tcon;
2096
2097 SMBSRV_CHECK_WCT(req, 2);
2098
2099 /*
2100 * TODO: cancel all pending requests
2101 */
2102
2103
2104 /* destroy all handles */
2105 for (i=req->session->handles; i; i=ni) {
2106 ni = i->next;
2107 h = i->handle;
2108 talloc_free(h);
2109 }
2110
2111 /*
2112 * then let the ntvfs backends proxy the call if they want to,
2113 * but we didn't check the return value of the backends,
2114 * as for the SMB client the call succeed
2115 */
2116 for (tcon=req->smb_conn->smb_tcons.list;tcon;tcon=tcon->next) {
2117 req->tcon = tcon;
2118 SMBSRV_SETUP_NTVFS_REQUEST(NULL,0);
2119 ntvfs_logoff(req->ntvfs);
2120 talloc_free(req->ntvfs);
2121 req->ntvfs = NULL;
2122 req->tcon = NULL;
2123 }
2124
2125 talloc_free(req->session);
2126 req->session = NULL; /* it is now invalid, don't use on
2127 any chained packets */
2128
2129 smbsrv_setup_reply(req, 2, 0);
2130
2131 SSVAL(req->out.vwv, VWV(0), SMB_CHAIN_NONE);
2132 SSVAL(req->out.vwv, VWV(1), 0);
2133
2134 smbsrv_chain_reply(req);
2135 }
2136
2137 /****************************************************************************
2138 Reply to an SMBfindclose request
2139 ****************************************************************************/
2140 void smbsrv_reply_findclose(struct smbsrv_request *req)
2141 {
2142 union smb_search_close *io;
2143
2144 /* parse request */
2145 SMBSRV_CHECK_WCT(req, 1);
2146 SMBSRV_TALLOC_IO_PTR(io, union smb_search_close);
2147 SMBSRV_SETUP_NTVFS_REQUEST(reply_simple_send, NTVFS_ASYNC_STATE_MAY_ASYNC);
2148
2149 io->findclose.level = RAW_FINDCLOSE_FINDCLOSE;
2150 io->findclose.in.handle = SVAL(req->in.vwv, VWV(0));
2151
2152 SMBSRV_CALL_NTVFS_BACKEND(ntvfs_search_close(req->ntvfs, io));
2153 }
2154
2155 /****************************************************************************
2156 Reply to an SMBfindnclose request
2157 ****************************************************************************/
2158 void smbsrv_reply_findnclose(struct smbsrv_request *req)
2159 {
2160 smbsrv_send_error(req, NT_STATUS_FOOBAR);
2161 }
2162
2163
2164 /****************************************************************************
2165 Reply to an SMBntcreateX request (async send)
2166 ****************************************************************************/
2167 static void reply_ntcreate_and_X_send(struct ntvfs_request *ntvfs)
2168 {
2169 struct smbsrv_request *req;
2170 union smb_open *io;
2171
2172 SMBSRV_CHECK_ASYNC_STATUS(io, union smb_open);
2173
2174 /* construct reply */
2175 smbsrv_setup_reply(req, 34, 0);
2176
2177 SSVAL(req->out.vwv, VWV(0), SMB_CHAIN_NONE);
2178 SSVAL(req->out.vwv, VWV(1), 0);
2179 SCVAL(req->out.vwv, VWV(2), io->ntcreatex.out.oplock_level);
2180
2181 /* the rest of the parameters are not aligned! */
2182 smbsrv_push_fnum(req->out.vwv, 5, io->ntcreatex.out.file.ntvfs);
2183 SIVAL(req->out.vwv, 7, io->ntcreatex.out.create_action);
2184 push_nttime(req->out.vwv, 11, io->ntcreatex.out.create_time);
2185 push_nttime(req->out.vwv, 19, io->ntcreatex.out.access_time);
2186 push_nttime(req->out.vwv, 27, io->ntcreatex.out.write_time);
2187 push_nttime(req->out.vwv, 35, io->ntcreatex.out.change_time);
2188 SIVAL(req->out.vwv, 43, io->ntcreatex.out.attrib);
2189 SBVAL(req->out.vwv, 47, io->ntcreatex.out.alloc_size);
2190 SBVAL(req->out.vwv, 55, io->ntcreatex.out.size);
2191 SSVAL(req->out.vwv, 63, io->ntcreatex.out.file_type);
2192 SSVAL(req->out.vwv, 65, io->ntcreatex.out.ipc_state);
2193 SCVAL(req->out.vwv, 67, io->ntcreatex.out.is_directory);
2194
2195 req->chained_fnum = SVAL(req->out.vwv, 5);
2196
2197 smbsrv_chain_reply(req);
2198 }
2199
2200 /****************************************************************************
2201 Reply to an SMBntcreateX request
2202 ****************************************************************************/
2203 void smbsrv_reply_ntcreate_and_X(struct smbsrv_request *req)
2204 {
2205 union smb_open *io;
2206 uint16_t fname_len;
2207
2208 /* parse the request */
2209 SMBSRV_CHECK_WCT(req, 24);
2210 SMBSRV_TALLOC_IO_PTR(io, union smb_open);
2211 SMBSRV_SETUP_NTVFS_REQUEST(reply_ntcreate_and_X_send, NTVFS_ASYNC_STATE_MAY_ASYNC);
2212
2213 io->ntcreatex.level = RAW_OPEN_NTCREATEX;
2214
2215 /* notice that the word parameters are not word aligned, so we don't use VWV() */
2216 fname_len = SVAL(req->in.vwv, 5);
2217 io->ntcreatex.in.flags = IVAL(req->in.vwv, 7);
2218 io->ntcreatex.in.root_fid = IVAL(req->in.vwv, 11);
2219 io->ntcreatex.in.access_mask = IVAL(req->in.vwv, 15);
2220 io->ntcreatex.in.alloc_size = BVAL(req->in.vwv, 19);
2221 io->ntcreatex.in.file_attr = IVAL(req->in.vwv, 27);
2222 io->ntcreatex.in.share_access = IVAL(req->in.vwv, 31);
2223 io->ntcreatex.in.open_disposition = IVAL(req->in.vwv, 35);
2224 io->ntcreatex.in.create_options = IVAL(req->in.vwv, 39);
2225 io->ntcreatex.in.impersonation = IVAL(req->in.vwv, 43);
2226 io->ntcreatex.in.security_flags = CVAL(req->in.vwv, 47);
2227 io->ntcreatex.in.ea_list = NULL;
2228 io->ntcreatex.in.sec_desc = NULL;
2229 io->ntcreatex.in.query_maximal_access = false;
2230
2231 /* we use a couple of bits of the create options internally */
2232 if (io->ntcreatex.in.create_options & NTCREATEX_OPTIONS_PRIVATE_MASK) {
2233 smbsrv_send_error(req, NT_STATUS_INVALID_PARAMETER);
2234 return;
2235 }
2236
2237 /* we need a neater way to handle this alignment */
2238 if ((req->flags2 & FLAGS2_UNICODE_STRINGS) &&
2239 ucs2_align(req->in.buffer, req->in.data, STR_TERMINATE|STR_UNICODE)) {
2240 fname_len++;
2241 }
2242
2243 req_pull_string(&req->in.bufinfo, &io->ntcreatex.in.fname, req->in.data, fname_len, STR_TERMINATE);
2244 if (!io->ntcreatex.in.fname) {
2245 smbsrv_send_error(req, NT_STATUS_FOOBAR);
2246 return;
2247 }
2248
2249 SMBSRV_CALL_NTVFS_BACKEND(ntvfs_open(req->ntvfs, io));
2250 }
2251
2252
2253 /****************************************************************************
2254 Reply to an SMBntcancel request
2255 ****************************************************************************/
2256 void smbsrv_reply_ntcancel(struct smbsrv_request *req)
2257 {
2258 struct smbsrv_request *r;
2259 uint16_t tid = SVAL(req->in.hdr,HDR_TID);
2260 uint16_t uid = SVAL(req->in.hdr,HDR_UID);
2261 uint16_t mid = SVAL(req->in.hdr,HDR_MID);
2262 uint16_t pid = SVAL(req->in.hdr,HDR_PID);
2263
2264 for (r = req->smb_conn->requests; r; r = r->next) {
2265 if (tid != SVAL(r->in.hdr,HDR_TID)) continue;
2266 if (uid != SVAL(r->in.hdr,HDR_UID)) continue;
2267 if (mid != SVAL(r->in.hdr,HDR_MID)) continue;
2268 if (pid != SVAL(r->in.hdr,HDR_PID)) continue;
2269
2270 SMBSRV_CHECK(ntvfs_cancel(r->ntvfs));
2271
2272 /* NOTE: this request does not generate a reply */
2273 talloc_free(req);
2274 return;
2275 }
2276
2277 /* TODO: workout the correct error code,
2278 * until we know how the smb signing works
2279 * for ntcancel replies, don't send an error
2280 */
2281 /*smbsrv_send_error(req, NT_STATUS_FOOBAR);*/
2282 talloc_free(req);
2283 }
2284
2285 /*
2286 parse the called/calling names from session request
2287 */
2288 static NTSTATUS parse_session_request(struct smbsrv_request *req)
2289 {
2290 DATA_BLOB blob;
2291 NTSTATUS status;
2292
2293 blob.data = req->in.buffer + 4;
2294 blob.length = ascii_len_n((const char *)blob.data, req->in.size - PTR_DIFF(blob.data, req->in.buffer));
2295 if (blob.length == 0) return NT_STATUS_BAD_NETWORK_NAME;
2296
2297 req->smb_conn->negotiate.called_name = talloc(req->smb_conn, struct nbt_name);
2298 req->smb_conn->negotiate.calling_name = talloc(req->smb_conn, struct nbt_name);
2299 if (req->smb_conn->negotiate.called_name == NULL ||
2300 req->smb_conn->negotiate.calling_name == NULL) {
2301 return NT_STATUS_NO_MEMORY;
2302 }
2303
2304 status = nbt_name_from_blob(req->smb_conn, &blob,
2305 req->smb_conn->negotiate.called_name);
2306 NT_STATUS_NOT_OK_RETURN(status);
2307
2308 blob.data += blob.length;
2309 blob.length = ascii_len_n((const char *)blob.data, req->in.size - PTR_DIFF(blob.data, req->in.buffer));
2310 if (blob.length == 0) return NT_STATUS_BAD_NETWORK_NAME;
2311
2312 status = nbt_name_from_blob(req->smb_conn, &blob,
2313 req->smb_conn->negotiate.calling_name);
2314 NT_STATUS_NOT_OK_RETURN(status);
2315
2316 req->smb_conn->negotiate.done_nbt_session = true;
2317
2318 return NT_STATUS_OK;
2319 }
2320
2321
2322
2323 /****************************************************************************
2324 Reply to a special message - a SMB packet with non zero NBT message type
2325 ****************************************************************************/
2326 void smbsrv_reply_special(struct smbsrv_request *req)
2327 {
2328 uint8_t msg_type;
2329 uint8_t *buf = talloc_zero_array(req, uint8_t, 4);
2330
2331 msg_type = CVAL(req->in.buffer,0);
2332
2333 SIVAL(buf, 0, 0);
2334
2335 switch (msg_type) {
2336 case 0x81: /* session request */
2337 if (req->smb_conn->negotiate.done_nbt_session) {
2338 DEBUG(0,("Warning: ignoring secondary session request\n"));
2339 return;
2340 }
2341
2342 SCVAL(buf,0,0x82);
2343 SCVAL(buf,3,0);
2344
2345 /* we don't check the status - samba always accepts session
2346 requests for any name */
2347 parse_session_request(req);
2348
2349 req->out.buffer = buf;
2350 req->out.size = 4;
2351 smbsrv_send_reply_nosign(req);
2352 return;
2353
2354 case 0x89: /* session keepalive request
2355 (some old clients produce this?) */
2356 SCVAL(buf, 0, SMBkeepalive);
2357 SCVAL(buf, 3, 0);
2358 req->out.buffer = buf;
2359 req->out.size = 4;
2360 smbsrv_send_reply_nosign(req);
2361 return;
2362
2363 case SMBkeepalive:
2364 /* session keepalive - swallow it */
2365 talloc_free(req);
2366 return;
2367 }
2368
2369 DEBUG(0,("Unexpected NBT session packet (%d)\n", msg_type));
2370 talloc_free(req);
2371 }
aatanasov's samba4 branch