Line data Source code
1 : /*
2 : Unix SMB/CIFS implementation.
3 : Main SMB reply routines
4 : Copyright (C) Andrew Tridgell 1992-1998
5 : Copyright (C) Andrew Bartlett 2001
6 : Copyright (C) Jeremy Allison 1992-2007.
7 : Copyright (C) Volker Lendecke 2007
8 :
9 : This program is free software; you can redistribute it and/or modify
10 : it under the terms of the GNU General Public License as published by
11 : the Free Software Foundation; either version 3 of the License, or
12 : (at your option) any later version.
13 :
14 : This program is distributed in the hope that it will be useful,
15 : but WITHOUT ANY WARRANTY; without even the implied warranty of
16 : MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 : GNU General Public License for more details.
18 :
19 : You should have received a copy of the GNU General Public License
20 : along with this program. If not, see <http://www.gnu.org/licenses/>.
21 : */
22 : /*
23 : This file handles most of the reply_ calls that the server
24 : makes to handle specific protocols
25 : */
26 :
27 : #include "includes.h"
28 : #include "libsmb/namequery.h"
29 : #include "system/filesys.h"
30 : #include "printing.h"
31 : #include "locking/share_mode_lock.h"
32 : #include "smbd/smbd.h"
33 : #include "smbd/globals.h"
34 : #include "smbd/smbXsrv_open.h"
35 : #include "fake_file.h"
36 : #include "rpc_client/rpc_client.h"
37 : #include "../librpc/gen_ndr/ndr_spoolss_c.h"
38 : #include "rpc_client/cli_spoolss.h"
39 : #include "rpc_client/init_spoolss.h"
40 : #include "rpc_server/rpc_ncacn_np.h"
41 : #include "libcli/security/security.h"
42 : #include "libsmb/nmblib.h"
43 : #include "auth.h"
44 : #include "smbprofile.h"
45 : #include "../lib/tsocket/tsocket.h"
46 : #include "lib/util/tevent_ntstatus.h"
47 : #include "libcli/smb/smb_signing.h"
48 : #include "lib/util/sys_rw_data.h"
49 : #include "librpc/gen_ndr/open_files.h"
50 : #include "libcli/smb/smb2_posix.h"
51 : #include "lib/util/string_wrappers.h"
52 : #include "source3/printing/rap_jobid.h"
53 : #include "source3/lib/substitute.h"
54 :
55 : /****************************************************************************
56 : Check if we have a correct fsp pointing to a file. Basic check for open fsp.
57 : ****************************************************************************/
58 :
59 194383 : bool check_fsp_open(connection_struct *conn, struct smb_request *req,
60 : files_struct *fsp)
61 : {
62 194383 : if ((fsp == NULL) || (conn == NULL)) {
63 2720 : reply_nterror(req, NT_STATUS_INVALID_HANDLE);
64 2720 : return false;
65 : }
66 191663 : if ((conn != fsp->conn) || (req->vuid != fsp->vuid)) {
67 39 : reply_nterror(req, NT_STATUS_INVALID_HANDLE);
68 39 : return false;
69 : }
70 190423 : return true;
71 : }
72 :
73 : /****************************************************************************
74 : SMB1 version of smb2_strip_dfs_path()
75 : Differs from SMB2 in that all Windows path separator '\' characters
76 : have already been converted to '/' by check_path_syntax().
77 : ****************************************************************************/
78 :
79 156787 : NTSTATUS smb1_strip_dfs_path(TALLOC_CTX *mem_ctx,
80 : uint32_t *_ucf_flags,
81 : char **in_path)
82 : {
83 156787 : uint32_t ucf_flags = *_ucf_flags;
84 156787 : char *path = *in_path;
85 156787 : char *return_path = NULL;
86 :
87 156787 : if (!(ucf_flags & UCF_DFS_PATHNAME)) {
88 155203 : return NT_STATUS_OK;
89 : }
90 :
91 : /* Strip any leading '/' characters - MacOSX client behavior. */
92 3100 : while (*path == '/') {
93 1516 : path++;
94 : }
95 :
96 : /* We should now be pointing at the server name. Go past it. */
97 0 : for (;;) {
98 25292 : if (*path == '\0') {
99 : /* End of complete path. Exit OK. */
100 46 : goto done;
101 : }
102 25246 : if (*path == '/') {
103 : /* End of server name. Go past and break. */
104 1538 : path++;
105 1538 : break;
106 : }
107 23708 : path++; /* Continue looking for end of server name or string. */
108 : }
109 :
110 : /* We should now be pointing at the share name. Go past it. */
111 0 : for (;;) {
112 18293 : if (*path == '\0') {
113 : /* End of complete path. Exit OK. */
114 34 : goto done;
115 : }
116 18259 : if (*path == '/') {
117 : /* End of share name. Go past and break. */
118 1504 : path++;
119 1504 : break;
120 : }
121 16755 : if (*path == ':') {
122 : /* Only invalid character in sharename. */
123 0 : return NT_STATUS_OBJECT_NAME_INVALID;
124 : }
125 16755 : path++; /* Continue looking for end of share name or string. */
126 : }
127 :
128 1584 : done:
129 : /* path now points at the start of the real filename (if any). */
130 : /* Duplicate it first. */
131 1584 : return_path = talloc_strdup(mem_ctx, path);
132 1584 : if (return_path == NULL) {
133 0 : return NT_STATUS_NO_MEMORY;
134 : }
135 :
136 : /* Now we can free the original (path points to part of this). */
137 1584 : TALLOC_FREE(*in_path);
138 :
139 1584 : *in_path = return_path;
140 1584 : ucf_flags &= ~UCF_DFS_PATHNAME;
141 1584 : *_ucf_flags = ucf_flags;
142 1584 : return NT_STATUS_OK;
143 : }
144 :
145 : /****************************************************************************
146 : Check if we have a correct fsp pointing to a file.
147 : ****************************************************************************/
148 :
149 148961 : bool check_fsp(connection_struct *conn, struct smb_request *req,
150 : files_struct *fsp)
151 : {
152 148961 : if (!check_fsp_open(conn, req, fsp)) {
153 96 : return false;
154 : }
155 148851 : if (fsp->fsp_flags.is_directory) {
156 6 : reply_nterror(req, NT_STATUS_INVALID_DEVICE_REQUEST);
157 6 : return false;
158 : }
159 148845 : if (fsp_get_pathref_fd(fsp) == -1) {
160 0 : reply_nterror(req, NT_STATUS_ACCESS_DENIED);
161 0 : return false;
162 : }
163 148845 : fsp->num_smb_operations++;
164 148845 : return true;
165 : }
166 :
167 : /****************************************************************************
168 : Reply to a tcon.
169 : conn POINTER CAN BE NULL HERE !
170 : ****************************************************************************/
171 :
172 2 : void reply_tcon(struct smb_request *req)
173 : {
174 2 : connection_struct *conn = req->conn;
175 0 : const char *service;
176 2 : char *service_buf = NULL;
177 2 : char *password = NULL;
178 2 : char *dev = NULL;
179 2 : int pwlen=0;
180 0 : NTSTATUS nt_status;
181 0 : const uint8_t *p;
182 0 : const char *p2;
183 2 : TALLOC_CTX *ctx = talloc_tos();
184 2 : struct smbXsrv_connection *xconn = req->xconn;
185 2 : NTTIME now = timeval_to_nttime(&req->request_time);
186 :
187 2 : START_PROFILE(SMBtcon);
188 :
189 2 : if (req->buflen < 4) {
190 0 : reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
191 0 : END_PROFILE(SMBtcon);
192 0 : return;
193 : }
194 :
195 2 : p = req->buf + 1;
196 2 : p += srvstr_pull_req_talloc(ctx, req, &service_buf, p, STR_TERMINATE);
197 2 : p += 1;
198 2 : pwlen = srvstr_pull_req_talloc(ctx, req, &password, p, STR_TERMINATE);
199 2 : p += pwlen+1;
200 2 : p += srvstr_pull_req_talloc(ctx, req, &dev, p, STR_TERMINATE);
201 2 : p += 1;
202 :
203 2 : if (service_buf == NULL || password == NULL || dev == NULL) {
204 0 : reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
205 0 : END_PROFILE(SMBtcon);
206 0 : return;
207 : }
208 2 : p2 = strrchr_m(service_buf,'\\');
209 2 : if (p2) {
210 0 : service = p2+1;
211 : } else {
212 2 : service = service_buf;
213 : }
214 :
215 2 : conn = make_connection(req, now, service, dev,
216 : req->vuid,&nt_status);
217 2 : req->conn = conn;
218 :
219 2 : if (!conn) {
220 2 : reply_nterror(req, nt_status);
221 2 : END_PROFILE(SMBtcon);
222 2 : return;
223 : }
224 :
225 0 : reply_smb1_outbuf(req, 2, 0);
226 0 : SSVAL(req->outbuf,smb_vwv0,xconn->smb1.negprot.max_recv);
227 0 : SSVAL(req->outbuf,smb_vwv1,conn->cnum);
228 0 : SSVAL(req->outbuf,smb_tid,conn->cnum);
229 :
230 0 : DEBUG(3,("tcon service=%s cnum=%d\n",
231 : service, conn->cnum));
232 :
233 0 : END_PROFILE(SMBtcon);
234 0 : return;
235 : }
236 :
237 : /****************************************************************************
238 : Reply to a tcon and X.
239 : conn POINTER CAN BE NULL HERE !
240 : ****************************************************************************/
241 :
242 8998 : void reply_tcon_and_X(struct smb_request *req)
243 : {
244 144 : const struct loadparm_substitution *lp_sub =
245 8998 : loadparm_s3_global_substitution();
246 8998 : connection_struct *conn = req->conn;
247 8998 : const char *service = NULL;
248 8998 : TALLOC_CTX *ctx = talloc_tos();
249 : /* what the client thinks the device is */
250 8998 : char *client_devicetype = NULL;
251 : /* what the server tells the client the share represents */
252 144 : const char *server_devicetype;
253 144 : NTSTATUS nt_status;
254 144 : int passlen;
255 8998 : char *path = NULL;
256 144 : const uint8_t *p;
257 144 : const char *q;
258 144 : uint16_t tcon_flags;
259 8998 : struct smbXsrv_session *session = NULL;
260 8998 : NTTIME now = timeval_to_nttime(&req->request_time);
261 8998 : bool session_key_updated = false;
262 8998 : uint16_t optional_support = 0;
263 8998 : struct smbXsrv_connection *xconn = req->xconn;
264 :
265 8998 : START_PROFILE(SMBtconX);
266 :
267 8998 : if (req->wct < 4) {
268 0 : reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
269 0 : END_PROFILE(SMBtconX);
270 0 : return;
271 : }
272 :
273 8998 : passlen = SVAL(req->vwv+3, 0);
274 8998 : tcon_flags = SVAL(req->vwv+2, 0);
275 :
276 : /* we might have to close an old one */
277 8998 : if ((tcon_flags & TCONX_FLAG_DISCONNECT_TID) && conn) {
278 0 : struct smbXsrv_tcon *tcon;
279 0 : NTSTATUS status;
280 :
281 0 : tcon = conn->tcon;
282 0 : req->conn = NULL;
283 0 : conn = NULL;
284 :
285 : /*
286 : * TODO: cancel all outstanding requests on the tcon
287 : */
288 0 : status = smbXsrv_tcon_disconnect(tcon, req->vuid);
289 0 : if (!NT_STATUS_IS_OK(status)) {
290 0 : DEBUG(0, ("reply_tcon_and_X: "
291 : "smbXsrv_tcon_disconnect() failed: %s\n",
292 : nt_errstr(status)));
293 : /*
294 : * If we hit this case, there is something completely
295 : * wrong, so we better disconnect the transport connection.
296 : */
297 0 : END_PROFILE(SMBtconX);
298 0 : exit_server(__location__ ": smbXsrv_tcon_disconnect failed");
299 : return;
300 : }
301 :
302 0 : TALLOC_FREE(tcon);
303 : /*
304 : * This tree id is gone. Make sure we can't re-use it
305 : * by accident.
306 : */
307 0 : req->tid = 0;
308 : }
309 :
310 8998 : if ((passlen > MAX_PASS_LEN) || (passlen >= req->buflen)) {
311 0 : reply_force_doserror(req, ERRDOS, ERRbuftoosmall);
312 0 : END_PROFILE(SMBtconX);
313 0 : return;
314 : }
315 :
316 8998 : if (xconn->smb1.negprot.encrypted_passwords) {
317 8998 : p = req->buf + passlen;
318 : } else {
319 0 : p = req->buf + passlen + 1;
320 : }
321 :
322 8998 : p += srvstr_pull_req_talloc(ctx, req, &path, p, STR_TERMINATE);
323 :
324 8998 : if (path == NULL) {
325 0 : reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
326 0 : END_PROFILE(SMBtconX);
327 0 : return;
328 : }
329 :
330 : /*
331 : * the service name can be either: \\server\share
332 : * or share directly like on the DELL PowerVault 705
333 : */
334 8998 : if (*path=='\\') {
335 8837 : q = strchr_m(path+2,'\\');
336 8837 : if (!q) {
337 0 : reply_nterror(req, NT_STATUS_BAD_NETWORK_NAME);
338 0 : END_PROFILE(SMBtconX);
339 0 : return;
340 : }
341 8837 : service = q+1;
342 : } else {
343 150 : service = path;
344 : }
345 :
346 8998 : p += srvstr_pull_talloc(ctx, req->inbuf, req->flags2,
347 : &client_devicetype, p,
348 : MIN(6, smbreq_bufrem(req, p)), STR_ASCII);
349 :
350 8998 : if (client_devicetype == NULL) {
351 0 : reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
352 0 : END_PROFILE(SMBtconX);
353 0 : return;
354 : }
355 :
356 8998 : DEBUG(4,("Client requested device type [%s] for share [%s]\n", client_devicetype, service));
357 :
358 8998 : nt_status = smb1srv_session_lookup(xconn,
359 8998 : req->vuid, now, &session);
360 8998 : if (NT_STATUS_EQUAL(nt_status, NT_STATUS_USER_SESSION_DELETED)) {
361 0 : reply_force_doserror(req, ERRSRV, ERRbaduid);
362 0 : END_PROFILE(SMBtconX);
363 0 : return;
364 : }
365 8998 : if (NT_STATUS_EQUAL(nt_status, NT_STATUS_NETWORK_SESSION_EXPIRED)) {
366 0 : reply_nterror(req, nt_status);
367 0 : END_PROFILE(SMBtconX);
368 0 : return;
369 : }
370 8998 : if (!NT_STATUS_IS_OK(nt_status)) {
371 0 : reply_nterror(req, NT_STATUS_INVALID_HANDLE);
372 0 : END_PROFILE(SMBtconX);
373 0 : return;
374 : }
375 :
376 8998 : if (session->global->auth_session_info == NULL) {
377 0 : reply_nterror(req, NT_STATUS_INVALID_HANDLE);
378 0 : END_PROFILE(SMBtconX);
379 0 : return;
380 : }
381 :
382 : /*
383 : * If there is no application key defined yet
384 : * we create one.
385 : *
386 : * This means we setup the application key on the
387 : * first tcon that happens via the given session.
388 : *
389 : * Once the application key is defined, it does not
390 : * change any more.
391 : */
392 14564 : if (session->global->application_key_blob.length == 0 &&
393 5566 : smb2_signing_key_valid(session->global->signing_key))
394 : {
395 5485 : struct smbXsrv_session *x = session;
396 5485 : struct auth_session_info *session_info =
397 5485 : session->global->auth_session_info;
398 133 : uint8_t session_key[16];
399 :
400 5485 : ZERO_STRUCT(session_key);
401 5485 : memcpy(session_key, x->global->signing_key->blob.data,
402 5485 : MIN(x->global->signing_key->blob.length, sizeof(session_key)));
403 :
404 : /*
405 : * The application key is truncated/padded to 16 bytes
406 : */
407 5485 : x->global->application_key_blob = data_blob_talloc(x->global,
408 : session_key,
409 : sizeof(session_key));
410 5485 : ZERO_STRUCT(session_key);
411 5485 : if (x->global->application_key_blob.data == NULL) {
412 0 : reply_nterror(req, NT_STATUS_NO_MEMORY);
413 0 : END_PROFILE(SMBtconX);
414 0 : return;
415 : }
416 5485 : talloc_keep_secret(x->global->application_key_blob.data);
417 :
418 5485 : if (tcon_flags & TCONX_FLAG_EXTENDED_SIGNATURES) {
419 133 : NTSTATUS status;
420 :
421 5483 : status = smb1_key_derivation(x->global->application_key_blob.data,
422 5350 : x->global->application_key_blob.length,
423 5483 : x->global->application_key_blob.data);
424 5483 : if (!NT_STATUS_IS_OK(status)) {
425 0 : DBG_ERR("smb1_key_derivation failed: %s\n",
426 : nt_errstr(status));
427 0 : END_PROFILE(SMBtconX);
428 0 : return;
429 : }
430 5483 : optional_support |= SMB_EXTENDED_SIGNATURES;
431 : }
432 :
433 : /*
434 : * Place the application key into the session_info
435 : */
436 5485 : data_blob_clear_free(&session_info->session_key);
437 5485 : session_info->session_key = data_blob_dup_talloc(session_info,
438 : x->global->application_key_blob);
439 5485 : if (session_info->session_key.data == NULL) {
440 0 : data_blob_clear_free(&x->global->application_key_blob);
441 0 : reply_nterror(req, NT_STATUS_NO_MEMORY);
442 0 : END_PROFILE(SMBtconX);
443 0 : return;
444 : }
445 5485 : talloc_keep_secret(session_info->session_key.data);
446 5485 : session_key_updated = true;
447 : }
448 :
449 8998 : conn = make_connection(req, now, service, client_devicetype,
450 : req->vuid, &nt_status);
451 8998 : req->conn =conn;
452 :
453 8998 : if (!conn) {
454 66 : if (session_key_updated) {
455 4 : struct smbXsrv_session *x = session;
456 4 : struct auth_session_info *session_info =
457 4 : session->global->auth_session_info;
458 4 : data_blob_clear_free(&x->global->application_key_blob);
459 4 : data_blob_clear_free(&session_info->session_key);
460 : }
461 66 : reply_nterror(req, nt_status);
462 66 : END_PROFILE(SMBtconX);
463 66 : return;
464 : }
465 :
466 8932 : if ( IS_IPC(conn) )
467 3549 : server_devicetype = "IPC";
468 5373 : else if ( IS_PRINT(conn) )
469 2 : server_devicetype = "LPT1:";
470 : else
471 5371 : server_devicetype = "A:";
472 :
473 8932 : if (xconn->protocol < PROTOCOL_NT1) {
474 24 : reply_smb1_outbuf(req, 2, 0);
475 24 : if (message_push_string(&req->outbuf, server_devicetype,
476 : STR_TERMINATE|STR_ASCII) == -1) {
477 0 : reply_nterror(req, NT_STATUS_NO_MEMORY);
478 0 : END_PROFILE(SMBtconX);
479 0 : return;
480 : }
481 : } else {
482 : /* NT sets the fstype of IPC$ to the null string */
483 8908 : const char *fstype = IS_IPC(conn) ? "" : lp_fstype(SNUM(conn));
484 :
485 8908 : if (tcon_flags & TCONX_FLAG_EXTENDED_RESPONSE) {
486 : /* Return permissions. */
487 8908 : uint32_t perm1 = 0;
488 8908 : uint32_t perm2 = 0;
489 :
490 8908 : reply_smb1_outbuf(req, 7, 0);
491 :
492 8908 : if (IS_IPC(conn)) {
493 3549 : perm1 = FILE_ALL_ACCESS;
494 3549 : perm2 = FILE_ALL_ACCESS;
495 : } else {
496 5349 : perm1 = conn->share_access;
497 : }
498 :
499 8908 : SIVAL(req->outbuf, smb_vwv3, perm1);
500 8908 : SIVAL(req->outbuf, smb_vwv5, perm2);
501 : } else {
502 0 : reply_smb1_outbuf(req, 3, 0);
503 : }
504 :
505 8908 : if ((message_push_string(&req->outbuf, server_devicetype,
506 : STR_TERMINATE|STR_ASCII) == -1)
507 8908 : || (message_push_string(&req->outbuf, fstype,
508 : STR_TERMINATE) == -1)) {
509 0 : reply_nterror(req, NT_STATUS_NO_MEMORY);
510 0 : END_PROFILE(SMBtconX);
511 0 : return;
512 : }
513 :
514 : /* what does setting this bit do? It is set by NT4 and
515 : may affect the ability to autorun mounted cdroms */
516 8908 : optional_support |= SMB_SUPPORT_SEARCH_BITS;
517 9046 : optional_support |=
518 8908 : (lp_csc_policy(SNUM(conn)) << SMB_CSC_POLICY_SHIFT);
519 :
520 8908 : if (lp_msdfs_root(SNUM(conn)) && lp_host_msdfs()) {
521 76 : DEBUG(2,("Serving %s as a Dfs root\n",
522 : lp_servicename(ctx, lp_sub, SNUM(conn)) ));
523 76 : optional_support |= SMB_SHARE_IN_DFS;
524 : }
525 :
526 8908 : SSVAL(req->outbuf, smb_vwv2, optional_support);
527 : }
528 :
529 8932 : SSVAL(req->outbuf, smb_vwv0, 0xff); /* andx chain ends */
530 8932 : SSVAL(req->outbuf, smb_vwv1, 0); /* no andx offset */
531 :
532 8932 : DEBUG(3,("tconX service=%s \n",
533 : service));
534 :
535 : /* set the incoming and outgoing tid to the just created one */
536 8932 : SSVAL(discard_const_p(uint8_t, req->inbuf),smb_tid,conn->cnum);
537 8932 : SSVAL(req->outbuf,smb_tid,conn->cnum);
538 :
539 8932 : END_PROFILE(SMBtconX);
540 :
541 8932 : req->tid = conn->cnum;
542 : }
543 :
544 : /****************************************************************************
545 : Reply to an unknown type.
546 : ****************************************************************************/
547 :
548 0 : void reply_unknown_new(struct smb_request *req, uint8_t type)
549 : {
550 0 : DEBUG(0, ("unknown command type (%s): type=%d (0x%X)\n",
551 : smb_fn_name(type), type, type));
552 0 : reply_force_doserror(req, ERRSRV, ERRunknownsmb);
553 0 : return;
554 : }
555 :
556 : /****************************************************************************
557 : Reply to an ioctl.
558 : conn POINTER CAN BE NULL HERE !
559 : ****************************************************************************/
560 :
561 262152 : void reply_ioctl(struct smb_request *req)
562 : {
563 0 : const struct loadparm_substitution *lp_sub =
564 262152 : loadparm_s3_global_substitution();
565 262152 : connection_struct *conn = req->conn;
566 0 : uint16_t device;
567 0 : uint16_t function;
568 0 : uint32_t ioctl_code;
569 0 : int replysize;
570 0 : char *p;
571 :
572 262152 : START_PROFILE(SMBioctl);
573 :
574 262152 : if (req->wct < 3) {
575 0 : reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
576 0 : END_PROFILE(SMBioctl);
577 0 : return;
578 : }
579 :
580 262152 : device = SVAL(req->vwv+1, 0);
581 262152 : function = SVAL(req->vwv+2, 0);
582 262152 : ioctl_code = (device << 16) + function;
583 :
584 262152 : DEBUG(4, ("Received IOCTL (code 0x%x)\n", ioctl_code));
585 :
586 262152 : switch (ioctl_code) {
587 8 : case IOCTL_QUERY_JOB_INFO:
588 8 : replysize = 32;
589 8 : break;
590 262144 : default:
591 262144 : reply_force_doserror(req, ERRSRV, ERRnosupport);
592 262144 : END_PROFILE(SMBioctl);
593 262144 : return;
594 : }
595 :
596 8 : reply_smb1_outbuf(req, 8, replysize+1);
597 8 : SSVAL(req->outbuf,smb_vwv1,replysize); /* Total data bytes returned */
598 8 : SSVAL(req->outbuf,smb_vwv5,replysize); /* Data bytes this buffer */
599 8 : SSVAL(req->outbuf,smb_vwv6,52); /* Offset to data */
600 8 : p = smb_buf(req->outbuf);
601 8 : memset(p, '\0', replysize+1); /* valgrind-safe. */
602 8 : p += 1; /* Allow for alignment */
603 :
604 8 : switch (ioctl_code) {
605 8 : case IOCTL_QUERY_JOB_INFO:
606 : {
607 0 : NTSTATUS status;
608 8 : size_t len = 0;
609 8 : files_struct *fsp = file_fsp(
610 8 : req, SVAL(req->vwv+0, 0));
611 8 : if (!fsp) {
612 0 : reply_nterror(req, NT_STATUS_INVALID_HANDLE);
613 0 : END_PROFILE(SMBioctl);
614 0 : return;
615 : }
616 : /* Job number */
617 8 : SSVAL(p, 0, print_spool_rap_jobid(fsp->print_file));
618 :
619 8 : status = srvstr_push((char *)req->outbuf, req->flags2, p+2,
620 : lp_netbios_name(), 15,
621 : STR_TERMINATE|STR_ASCII, &len);
622 8 : if (!NT_STATUS_IS_OK(status)) {
623 0 : reply_nterror(req, status);
624 0 : END_PROFILE(SMBioctl);
625 0 : return;
626 : }
627 8 : if (conn) {
628 8 : status = srvstr_push((char *)req->outbuf, req->flags2,
629 : p+18,
630 : lp_servicename(talloc_tos(),
631 : lp_sub,
632 : SNUM(conn)),
633 : 13, STR_TERMINATE|STR_ASCII, &len);
634 8 : if (!NT_STATUS_IS_OK(status)) {
635 0 : reply_nterror(req, status);
636 0 : END_PROFILE(SMBioctl);
637 0 : return;
638 : }
639 : } else {
640 0 : memset(p+18, 0, 13);
641 : }
642 8 : break;
643 : }
644 : }
645 :
646 8 : END_PROFILE(SMBioctl);
647 8 : return;
648 : }
649 :
650 : /****************************************************************************
651 : Strange checkpath NTSTATUS mapping.
652 : ****************************************************************************/
653 :
654 1810 : static NTSTATUS map_checkpath_error(uint16_t flags2, NTSTATUS status)
655 : {
656 : /* Strange DOS error code semantics only for checkpath... */
657 1810 : if (!(flags2 & FLAGS2_32_BIT_ERROR_CODES)) {
658 32 : if (NT_STATUS_EQUAL(NT_STATUS_OBJECT_NAME_INVALID,status)) {
659 : /* We need to map to ERRbadpath */
660 20 : return NT_STATUS_OBJECT_PATH_NOT_FOUND;
661 : }
662 : }
663 1790 : return status;
664 : }
665 :
666 : /****************************************************************************
667 : Reply to a checkpath.
668 : ****************************************************************************/
669 :
670 1835 : void reply_checkpath(struct smb_request *req)
671 : {
672 1835 : connection_struct *conn = req->conn;
673 1835 : struct smb_filename *smb_fname = NULL;
674 1835 : char *name = NULL;
675 5 : NTSTATUS status;
676 1835 : struct files_struct *dirfsp = NULL;
677 1835 : uint32_t ucf_flags = ucf_flags_from_smb_request(req);
678 1835 : NTTIME twrp = 0;
679 1835 : TALLOC_CTX *ctx = talloc_tos();
680 :
681 1835 : START_PROFILE(SMBcheckpath);
682 :
683 1835 : srvstr_get_path_req(ctx, req, &name, (const char *)req->buf + 1,
684 : STR_TERMINATE, &status);
685 :
686 1835 : if (!NT_STATUS_IS_OK(status)) {
687 172 : status = map_checkpath_error(req->flags2, status);
688 172 : reply_nterror(req, status);
689 172 : END_PROFILE(SMBcheckpath);
690 172 : return;
691 : }
692 :
693 1663 : DEBUG(3,("reply_checkpath %s mode=%d\n", name, (int)SVAL(req->vwv+0, 0)));
694 :
695 1663 : if (ucf_flags & UCF_GMT_PATHNAME) {
696 2 : extract_snapshot_token(name, &twrp);
697 : }
698 1663 : status = smb1_strip_dfs_path(ctx, &ucf_flags, &name);
699 1663 : if (!NT_STATUS_IS_OK(status)) {
700 0 : reply_nterror(req, status);
701 0 : goto out;
702 : }
703 :
704 1663 : status = filename_convert_dirfsp(ctx,
705 : conn,
706 : name,
707 : ucf_flags,
708 : twrp,
709 : &dirfsp,
710 : &smb_fname);
711 1663 : if (!NT_STATUS_IS_OK(status)) {
712 193 : if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
713 0 : reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
714 : ERRSRV, ERRbadpath);
715 0 : END_PROFILE(SMBcheckpath);
716 0 : return;
717 : }
718 193 : goto path_err;
719 : }
720 :
721 1851 : if (!VALID_STAT(smb_fname->st) &&
722 381 : (SMB_VFS_STAT(conn, smb_fname) != 0)) {
723 381 : DEBUG(3,("reply_checkpath: stat of %s failed (%s)\n",
724 : smb_fname_str_dbg(smb_fname), strerror(errno)));
725 381 : status = map_nt_error_from_unix(errno);
726 381 : goto path_err;
727 : }
728 :
729 1089 : if (!S_ISDIR(smb_fname->st.st_ex_mode)) {
730 25 : reply_botherror(req, NT_STATUS_NOT_A_DIRECTORY,
731 : ERRDOS, ERRbadpath);
732 25 : goto out;
733 : }
734 :
735 1064 : reply_smb1_outbuf(req, 0, 0);
736 :
737 1638 : path_err:
738 : /* We special case this - as when a Windows machine
739 : is parsing a path is steps through the components
740 : one at a time - if a component fails it expects
741 : ERRbadpath, not ERRbadfile.
742 : */
743 1638 : status = map_checkpath_error(req->flags2, status);
744 1638 : if (NT_STATUS_EQUAL(status, NT_STATUS_OBJECT_NAME_NOT_FOUND)) {
745 : /*
746 : * Windows returns different error codes if
747 : * the parent directory is valid but not the
748 : * last component - it returns NT_STATUS_OBJECT_NAME_NOT_FOUND
749 : * for that case and NT_STATUS_OBJECT_PATH_NOT_FOUND
750 : * if the path is invalid.
751 : */
752 381 : reply_botherror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND,
753 : ERRDOS, ERRbadpath);
754 381 : goto out;
755 : }
756 :
757 1257 : reply_nterror(req, status);
758 :
759 1663 : out:
760 1663 : TALLOC_FREE(smb_fname);
761 1663 : END_PROFILE(SMBcheckpath);
762 1658 : return;
763 : }
764 :
765 : /****************************************************************************
766 : Reply to a getatr.
767 : ****************************************************************************/
768 :
769 1412 : void reply_getatr(struct smb_request *req)
770 : {
771 1412 : struct smbXsrv_connection *xconn = req->xconn;
772 1412 : connection_struct *conn = req->conn;
773 1412 : struct smb_filename *smb_fname = NULL;
774 1412 : char *fname = NULL;
775 1412 : int mode=0;
776 1412 : off_t size=0;
777 1412 : time_t mtime=0;
778 48 : const char *p;
779 48 : NTSTATUS status;
780 1412 : TALLOC_CTX *ctx = talloc_tos();
781 :
782 1412 : START_PROFILE(SMBgetatr);
783 :
784 1412 : p = (const char *)req->buf + 1;
785 1412 : p += srvstr_get_path_req(ctx, req, &fname, p, STR_TERMINATE, &status);
786 1412 : if (!NT_STATUS_IS_OK(status)) {
787 24 : reply_nterror(req, status);
788 24 : goto out;
789 : }
790 :
791 : /*
792 : * dos sometimes asks for a stat of "" - it returns a "hidden
793 : * directory" under WfWg - weird!
794 : */
795 1388 : if (*fname == '\0') {
796 0 : mode = FILE_ATTRIBUTE_HIDDEN | FILE_ATTRIBUTE_DIRECTORY;
797 0 : if (!CAN_WRITE(conn)) {
798 0 : mode |= FILE_ATTRIBUTE_READONLY;
799 : }
800 0 : size = 0;
801 0 : mtime = 0;
802 : } else {
803 1388 : struct files_struct *dirfsp = NULL;
804 1388 : uint32_t ucf_flags = ucf_flags_from_smb_request(req);
805 1388 : NTTIME twrp = 0;
806 48 : bool ask_sharemode;
807 :
808 1388 : if (ucf_flags & UCF_GMT_PATHNAME) {
809 0 : extract_snapshot_token(fname, &twrp);
810 : }
811 1388 : status = smb1_strip_dfs_path(ctx, &ucf_flags, &fname);
812 1388 : if (!NT_STATUS_IS_OK(status)) {
813 0 : reply_nterror(req, status);
814 96 : goto out;
815 : }
816 1388 : status = filename_convert_dirfsp(ctx,
817 : conn,
818 : fname,
819 : ucf_flags,
820 : twrp,
821 : &dirfsp,
822 : &smb_fname);
823 1388 : if (!NT_STATUS_IS_OK(status)) {
824 24 : if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
825 0 : reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
826 : ERRSRV, ERRbadpath);
827 0 : goto out;
828 : }
829 24 : reply_nterror(req, status);
830 24 : goto out;
831 : }
832 1436 : if (!VALID_STAT(smb_fname->st) &&
833 72 : (SMB_VFS_STAT(conn, smb_fname) != 0)) {
834 72 : DEBUG(3,("reply_getatr: stat of %s failed (%s)\n",
835 : smb_fname_str_dbg(smb_fname),
836 : strerror(errno)));
837 72 : reply_nterror(req, map_nt_error_from_unix(errno));
838 72 : goto out;
839 : }
840 :
841 1292 : mode = fdos_mode(smb_fname->fsp);
842 1292 : size = smb_fname->st.st_ex_size;
843 :
844 1292 : ask_sharemode = fsp_search_ask_sharemode(smb_fname->fsp);
845 1292 : if (ask_sharemode) {
846 40 : struct timespec write_time_ts;
847 40 : struct file_id fileid;
848 :
849 1292 : ZERO_STRUCT(write_time_ts);
850 1292 : fileid = vfs_file_id_from_sbuf(conn, &smb_fname->st);
851 1292 : get_file_infos(fileid, 0, NULL, &write_time_ts);
852 1292 : if (!is_omit_timespec(&write_time_ts)) {
853 12 : update_stat_ex_mtime(&smb_fname->st, write_time_ts);
854 : }
855 : }
856 :
857 1292 : mtime = convert_timespec_to_time_t(smb_fname->st.st_ex_mtime);
858 1292 : if (mode & FILE_ATTRIBUTE_DIRECTORY) {
859 48 : size = 0;
860 : }
861 : }
862 :
863 1292 : reply_smb1_outbuf(req, 10, 0);
864 :
865 1292 : SSVAL(req->outbuf,smb_vwv0,mode);
866 1292 : if(lp_dos_filetime_resolution(SNUM(conn)) ) {
867 0 : srv_put_dos_date3((char *)req->outbuf,smb_vwv1,mtime & ~1);
868 : } else {
869 1292 : srv_put_dos_date3((char *)req->outbuf,smb_vwv1,mtime);
870 : }
871 1292 : SIVAL(req->outbuf,smb_vwv3,(uint32_t)size);
872 :
873 1292 : if (xconn->protocol >= PROTOCOL_NT1) {
874 1292 : SSVAL(req->outbuf, smb_flg2,
875 : SVAL(req->outbuf, smb_flg2) | FLAGS2_IS_LONG_NAME);
876 : }
877 :
878 1292 : DEBUG(3,("reply_getatr: name=%s mode=%d size=%u\n",
879 : smb_fname_str_dbg(smb_fname), mode, (unsigned int)size));
880 :
881 1412 : out:
882 1412 : TALLOC_FREE(smb_fname);
883 1412 : TALLOC_FREE(fname);
884 1412 : END_PROFILE(SMBgetatr);
885 1412 : return;
886 : }
887 :
888 : /****************************************************************************
889 : Reply to a setatr.
890 : ****************************************************************************/
891 :
892 2169 : void reply_setatr(struct smb_request *req)
893 : {
894 141 : struct smb_file_time ft;
895 2169 : connection_struct *conn = req->conn;
896 2169 : struct smb_filename *smb_fname = NULL;
897 2169 : struct files_struct *dirfsp = NULL;
898 2169 : char *fname = NULL;
899 141 : int mode;
900 141 : time_t mtime;
901 141 : const char *p;
902 141 : NTSTATUS status;
903 2169 : uint32_t ucf_flags = ucf_flags_from_smb_request(req);
904 2169 : NTTIME twrp = 0;
905 2169 : TALLOC_CTX *ctx = talloc_tos();
906 :
907 2169 : START_PROFILE(SMBsetatr);
908 2169 : init_smb_file_time(&ft);
909 :
910 2169 : if (req->wct < 2) {
911 0 : reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
912 0 : goto out;
913 : }
914 :
915 2169 : p = (const char *)req->buf + 1;
916 2169 : p += srvstr_get_path_req(ctx, req, &fname, p, STR_TERMINATE, &status);
917 2169 : if (!NT_STATUS_IS_OK(status)) {
918 155 : reply_nterror(req, status);
919 155 : goto out;
920 : }
921 :
922 2014 : if (ucf_flags & UCF_GMT_PATHNAME) {
923 0 : extract_snapshot_token(fname, &twrp);
924 : }
925 2014 : status = smb1_strip_dfs_path(ctx, &ucf_flags, &fname);
926 2014 : if (!NT_STATUS_IS_OK(status)) {
927 0 : reply_nterror(req, status);
928 0 : goto out;
929 : }
930 2014 : status = filename_convert_dirfsp(ctx,
931 : conn,
932 : fname,
933 : ucf_flags,
934 : twrp,
935 : &dirfsp,
936 : &smb_fname);
937 2014 : if (!NT_STATUS_IS_OK(status)) {
938 0 : if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
939 0 : reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
940 : ERRSRV, ERRbadpath);
941 0 : goto out;
942 : }
943 0 : reply_nterror(req, status);
944 0 : goto out;
945 : }
946 :
947 2014 : if (ISDOT(smb_fname->base_name)) {
948 : /*
949 : * Not sure here is the right place to catch this
950 : * condition. Might be moved to somewhere else later -- vl
951 : */
952 0 : reply_nterror(req, NT_STATUS_ACCESS_DENIED);
953 0 : goto out;
954 : }
955 :
956 2014 : if (smb_fname->fsp == NULL) {
957 : /* Can't set access rights on a symlink. */
958 519 : reply_nterror(req, NT_STATUS_ACCESS_DENIED);
959 519 : goto out;
960 : }
961 :
962 1495 : mode = SVAL(req->vwv+0, 0);
963 1495 : mtime = srv_make_unix_date3(req->vwv+1);
964 :
965 1495 : if (mode != FILE_ATTRIBUTE_NORMAL) {
966 755 : if (VALID_STAT_OF_DIR(smb_fname->st))
967 34 : mode |= FILE_ATTRIBUTE_DIRECTORY;
968 : else
969 721 : mode &= ~FILE_ATTRIBUTE_DIRECTORY;
970 :
971 755 : status = smbd_check_access_rights_fsp(conn->cwd_fsp,
972 728 : smb_fname->fsp,
973 : false,
974 : FILE_WRITE_ATTRIBUTES);
975 755 : if (!NT_STATUS_IS_OK(status)) {
976 8 : reply_nterror(req, status);
977 8 : goto out;
978 : }
979 :
980 747 : if (file_set_dosmode(conn, smb_fname, mode, NULL,
981 : false) != 0) {
982 0 : reply_nterror(req, map_nt_error_from_unix(errno));
983 0 : goto out;
984 : }
985 : }
986 :
987 1487 : ft.mtime = time_t_to_full_timespec(mtime);
988 :
989 1487 : status = smb_set_file_time(conn, smb_fname->fsp, smb_fname, &ft, true);
990 1487 : if (!NT_STATUS_IS_OK(status)) {
991 0 : reply_nterror(req, status);
992 0 : goto out;
993 : }
994 :
995 1487 : reply_smb1_outbuf(req, 0, 0);
996 :
997 1487 : DEBUG(3, ("setatr name=%s mode=%d\n", smb_fname_str_dbg(smb_fname),
998 : mode));
999 2169 : out:
1000 2169 : TALLOC_FREE(smb_fname);
1001 2169 : END_PROFILE(SMBsetatr);
1002 2169 : return;
1003 : }
1004 :
1005 : /****************************************************************************
1006 : Reply to a dskattr.
1007 : ****************************************************************************/
1008 :
1009 0 : void reply_dskattr(struct smb_request *req)
1010 : {
1011 0 : struct smbXsrv_connection *xconn = req->xconn;
1012 0 : connection_struct *conn = req->conn;
1013 0 : uint64_t ret;
1014 0 : uint64_t dfree,dsize,bsize;
1015 0 : struct smb_filename smb_fname;
1016 0 : START_PROFILE(SMBdskattr);
1017 :
1018 0 : ZERO_STRUCT(smb_fname);
1019 0 : smb_fname.base_name = discard_const_p(char, ".");
1020 :
1021 0 : if (SMB_VFS_STAT(conn, &smb_fname) != 0) {
1022 0 : reply_nterror(req, map_nt_error_from_unix(errno));
1023 0 : DBG_WARNING("stat of . failed (%s)\n", strerror(errno));
1024 0 : END_PROFILE(SMBdskattr);
1025 0 : return;
1026 : }
1027 :
1028 0 : ret = get_dfree_info(conn, &smb_fname, &bsize, &dfree, &dsize);
1029 0 : if (ret == (uint64_t)-1) {
1030 0 : reply_nterror(req, map_nt_error_from_unix(errno));
1031 0 : END_PROFILE(SMBdskattr);
1032 0 : return;
1033 : }
1034 :
1035 : /*
1036 : * Force max to fit in 16 bit fields.
1037 : */
1038 0 : while (dfree > WORDMAX || dsize > WORDMAX || bsize < 512) {
1039 0 : dfree /= 2;
1040 0 : dsize /= 2;
1041 0 : bsize *= 2;
1042 0 : if (bsize > (WORDMAX*512)) {
1043 0 : bsize = (WORDMAX*512);
1044 0 : if (dsize > WORDMAX)
1045 0 : dsize = WORDMAX;
1046 0 : if (dfree > WORDMAX)
1047 0 : dfree = WORDMAX;
1048 0 : break;
1049 : }
1050 : }
1051 :
1052 0 : reply_smb1_outbuf(req, 5, 0);
1053 :
1054 0 : if (xconn->protocol <= PROTOCOL_LANMAN2) {
1055 0 : double total_space, free_space;
1056 : /* we need to scale this to a number that DOS6 can handle. We
1057 : use floating point so we can handle large drives on systems
1058 : that don't have 64 bit integers
1059 :
1060 : we end up displaying a maximum of 2G to DOS systems
1061 : */
1062 0 : total_space = dsize * (double)bsize;
1063 0 : free_space = dfree * (double)bsize;
1064 :
1065 0 : dsize = (uint64_t)((total_space+63*512) / (64*512));
1066 0 : dfree = (uint64_t)((free_space+63*512) / (64*512));
1067 :
1068 0 : if (dsize > 0xFFFF) dsize = 0xFFFF;
1069 0 : if (dfree > 0xFFFF) dfree = 0xFFFF;
1070 :
1071 0 : SSVAL(req->outbuf,smb_vwv0,dsize);
1072 0 : SSVAL(req->outbuf,smb_vwv1,64); /* this must be 64 for dos systems */
1073 0 : SSVAL(req->outbuf,smb_vwv2,512); /* and this must be 512 */
1074 0 : SSVAL(req->outbuf,smb_vwv3,dfree);
1075 : } else {
1076 0 : SSVAL(req->outbuf,smb_vwv0,dsize);
1077 0 : SSVAL(req->outbuf,smb_vwv1,bsize/512);
1078 0 : SSVAL(req->outbuf,smb_vwv2,512);
1079 0 : SSVAL(req->outbuf,smb_vwv3,dfree);
1080 : }
1081 :
1082 0 : DEBUG(3,("dskattr dfree=%d\n", (unsigned int)dfree));
1083 :
1084 0 : END_PROFILE(SMBdskattr);
1085 0 : return;
1086 : }
1087 :
1088 : /****************************************************************************
1089 : Make a dir struct.
1090 : ****************************************************************************/
1091 :
1092 20718 : static void make_dir_struct(TALLOC_CTX *ctx,
1093 : char *buf,
1094 : const char *mask,
1095 : const char *fname,
1096 : off_t size,
1097 : uint32_t mode,
1098 : time_t date,
1099 : bool uc)
1100 : {
1101 0 : char *p;
1102 :
1103 20718 : if ((mode & FILE_ATTRIBUTE_DIRECTORY) != 0) {
1104 8101 : size = 0;
1105 : }
1106 :
1107 20718 : memset(buf+1,' ',11);
1108 20718 : if ((p = strchr_m(mask, '.')) != NULL) {
1109 4578 : char name[p - mask + 1];
1110 4578 : strlcpy(name, mask, sizeof(name));
1111 4578 : push_ascii(buf + 1, name, 8, 0);
1112 4578 : push_ascii(buf+9,p+1,3, 0);
1113 : } else {
1114 16140 : push_ascii(buf + 1, mask, 11, 0);
1115 : }
1116 :
1117 20718 : memset(buf+21,'\0',DIR_STRUCT_SIZE-21);
1118 20718 : SCVAL(buf,21,mode);
1119 20718 : srv_put_dos_date(buf,22,date);
1120 20718 : SSVAL(buf,26,size & 0xFFFF);
1121 20718 : SSVAL(buf,28,(size >> 16)&0xFFFF);
1122 : /* We only uppercase if FLAGS2_LONG_PATH_COMPONENTS is zero in the input buf.
1123 : Strange, but verified on W2K3. Needed for OS/2. JRA. */
1124 20718 : push_ascii(buf+30,fname,12, uc ? STR_UPPER : 0);
1125 20718 : DEBUG(8,("put name [%s] from [%s] into dir struct\n",buf+30, fname));
1126 20718 : }
1127 :
1128 480 : static bool mangle_mask_match(connection_struct *conn,
1129 : const char *filename,
1130 : const char *mask)
1131 : {
1132 0 : char mname[13];
1133 :
1134 480 : if (!name_to_8_3(filename, mname, False, conn->params)) {
1135 0 : return False;
1136 : }
1137 480 : return mask_match_search(mname, mask, False);
1138 : }
1139 :
1140 : /****************************************************************************
1141 : Get an 8.3 directory entry.
1142 : ****************************************************************************/
1143 :
1144 29339 : static bool smbd_dirptr_8_3_match_fn(TALLOC_CTX *ctx,
1145 : void *private_data,
1146 : const char *dname,
1147 : const char *mask,
1148 : char **_fname)
1149 : {
1150 29339 : connection_struct *conn = (connection_struct *)private_data;
1151 :
1152 54466 : if ((strcmp(mask, "*.*") == 0) ||
1153 25607 : mask_match_search(dname, mask, false) ||
1154 480 : mangle_mask_match(conn, dname, mask)) {
1155 0 : char mname[13];
1156 0 : const char *fname;
1157 : /*
1158 : * Ensure we can push the original name as UCS2. If
1159 : * not, then just don't return this name.
1160 : */
1161 0 : NTSTATUS status;
1162 28859 : size_t ret_len = 0;
1163 28859 : size_t len = (strlen(dname) + 2) * 4; /* Allow enough space. */
1164 28859 : uint8_t *tmp = talloc_array(talloc_tos(), uint8_t, len);
1165 :
1166 28859 : status = srvstr_push(NULL,
1167 : FLAGS2_UNICODE_STRINGS,
1168 : tmp,
1169 : dname,
1170 : len,
1171 : STR_TERMINATE,
1172 : &ret_len);
1173 :
1174 28859 : TALLOC_FREE(tmp);
1175 :
1176 28859 : if (!NT_STATUS_IS_OK(status)) {
1177 0 : return false;
1178 : }
1179 :
1180 28859 : if (!mangle_is_8_3(dname, false, conn->params)) {
1181 0 : bool ok =
1182 80 : name_to_8_3(dname, mname, false, conn->params);
1183 80 : if (!ok) {
1184 0 : return false;
1185 : }
1186 80 : fname = mname;
1187 : } else {
1188 28779 : fname = dname;
1189 : }
1190 :
1191 28859 : *_fname = talloc_strdup(ctx, fname);
1192 28859 : if (*_fname == NULL) {
1193 0 : return false;
1194 : }
1195 :
1196 28859 : return true;
1197 : }
1198 :
1199 480 : return false;
1200 : }
1201 :
1202 28818 : static bool smbd_dirptr_8_3_mode_fn(TALLOC_CTX *ctx,
1203 : void *private_data,
1204 : struct files_struct *dirfsp,
1205 : struct smb_filename *smb_fname,
1206 : bool get_dosmode,
1207 : uint32_t *_mode)
1208 : {
1209 28818 : if (*_mode & FILE_ATTRIBUTE_REPARSE_POINT) {
1210 : /*
1211 : * Don't show symlinks/special files to old clients
1212 : */
1213 0 : return false;
1214 : }
1215 :
1216 28818 : if (get_dosmode) {
1217 28818 : SMB_ASSERT(smb_fname != NULL);
1218 28818 : *_mode = fdos_mode(smb_fname->fsp);
1219 28818 : if (smb_fname->fsp != NULL) {
1220 28818 : smb_fname->st = smb_fname->fsp->fsp_name->st;
1221 : }
1222 : }
1223 28818 : return true;
1224 : }
1225 :
1226 20886 : static bool get_dir_entry(TALLOC_CTX *ctx,
1227 : connection_struct *conn,
1228 : struct dptr_struct *dirptr,
1229 : const char *mask,
1230 : uint32_t dirtype,
1231 : char **_fname,
1232 : off_t *_size,
1233 : uint32_t *_mode,
1234 : struct timespec *_date,
1235 : bool check_descend,
1236 : bool ask_sharemode)
1237 : {
1238 20886 : char *fname = NULL;
1239 20886 : struct smb_filename *smb_fname = NULL;
1240 20886 : uint32_t mode = 0;
1241 0 : bool ok;
1242 :
1243 20886 : ok = smbd_dirptr_get_entry(ctx,
1244 : dirptr,
1245 : mask,
1246 : dirtype,
1247 : check_descend,
1248 : ask_sharemode,
1249 : true,
1250 : smbd_dirptr_8_3_match_fn,
1251 : smbd_dirptr_8_3_mode_fn,
1252 : conn,
1253 : &fname,
1254 : &smb_fname,
1255 : &mode);
1256 20886 : if (!ok) {
1257 48 : return false;
1258 : }
1259 :
1260 20838 : *_fname = talloc_move(ctx, &fname);
1261 20838 : *_size = smb_fname->st.st_ex_size;
1262 20838 : *_mode = mode;
1263 20838 : *_date = smb_fname->st.st_ex_mtime;
1264 20838 : TALLOC_FREE(smb_fname);
1265 20838 : return true;
1266 : }
1267 :
1268 : /****************************************************************************
1269 : Reply to a search.
1270 : Can be called from SMBsearch, SMBffirst or SMBfunique.
1271 : ****************************************************************************/
1272 :
1273 500 : void reply_search(struct smb_request *req)
1274 : {
1275 500 : connection_struct *conn = req->conn;
1276 500 : char *path = NULL;
1277 500 : char *mask = NULL;
1278 500 : char *directory = NULL;
1279 500 : struct smb_filename *smb_fname = NULL;
1280 500 : char *fname = NULL;
1281 0 : off_t size;
1282 0 : uint32_t mode;
1283 0 : struct timespec date;
1284 0 : uint32_t dirtype;
1285 500 : unsigned int numentries = 0;
1286 500 : unsigned int maxentries = 0;
1287 500 : bool finished = False;
1288 0 : const char *p;
1289 0 : int status_len;
1290 0 : char status[21];
1291 500 : int dptr_num= -1;
1292 500 : bool check_descend = False;
1293 500 : bool expect_close = False;
1294 0 : NTSTATUS nt_status;
1295 500 : bool mask_contains_wcard = False;
1296 500 : bool allow_long_path_components = (req->flags2 & FLAGS2_LONG_PATH_COMPONENTS) ? True : False;
1297 500 : TALLOC_CTX *ctx = talloc_tos();
1298 500 : struct smbXsrv_connection *xconn = req->xconn;
1299 500 : struct smbd_server_connection *sconn = req->sconn;
1300 500 : files_struct *fsp = NULL;
1301 0 : const struct loadparm_substitution *lp_sub =
1302 500 : loadparm_s3_global_substitution();
1303 :
1304 500 : START_PROFILE(SMBsearch);
1305 :
1306 500 : if (req->wct < 2) {
1307 0 : reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1308 0 : goto out;
1309 : }
1310 :
1311 500 : if (req->posix_pathnames) {
1312 0 : reply_unknown_new(req, req->cmd);
1313 0 : goto out;
1314 : }
1315 :
1316 : /* If we were called as SMBffirst then we must expect close. */
1317 500 : if(req->cmd == SMBffirst) {
1318 12 : expect_close = True;
1319 : }
1320 :
1321 500 : reply_smb1_outbuf(req, 1, 3);
1322 500 : maxentries = SVAL(req->vwv+0, 0);
1323 500 : dirtype = SVAL(req->vwv+1, 0);
1324 500 : p = (const char *)req->buf + 1;
1325 500 : p += srvstr_get_path_req(ctx, req, &path, p, STR_TERMINATE,
1326 : &nt_status);
1327 500 : if (!NT_STATUS_IS_OK(nt_status)) {
1328 0 : reply_nterror(req, nt_status);
1329 0 : goto out;
1330 : }
1331 :
1332 500 : if (smbreq_bufrem(req, p) < 3) {
1333 0 : reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1334 0 : goto out;
1335 : }
1336 :
1337 500 : p++;
1338 500 : status_len = SVAL(p, 0);
1339 500 : p += 2;
1340 :
1341 : /* dirtype &= ~FILE_ATTRIBUTE_DIRECTORY; */
1342 :
1343 500 : if (status_len == 0) {
1344 0 : const char *dirpath;
1345 176 : struct files_struct *dirfsp = NULL;
1346 176 : struct smb_filename *smb_dname = NULL;
1347 176 : uint32_t ucf_flags = ucf_flags_from_smb_request(req);
1348 :
1349 176 : nt_status = smb1_strip_dfs_path(ctx, &ucf_flags, &path);
1350 176 : if (!NT_STATUS_IS_OK(nt_status)) {
1351 0 : reply_nterror(req, nt_status);
1352 0 : goto out;
1353 : }
1354 :
1355 176 : nt_status = filename_convert_smb1_search_path(ctx,
1356 : conn,
1357 : path,
1358 : ucf_flags,
1359 : &dirfsp,
1360 : &smb_dname,
1361 : &mask);
1362 :
1363 176 : if (!NT_STATUS_IS_OK(nt_status)) {
1364 0 : if (NT_STATUS_EQUAL(nt_status,NT_STATUS_PATH_NOT_COVERED)) {
1365 0 : reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
1366 : ERRSRV, ERRbadpath);
1367 0 : goto out;
1368 : }
1369 0 : reply_nterror(req, nt_status);
1370 0 : goto out;
1371 : }
1372 :
1373 176 : memset((char *)status,'\0',21);
1374 176 : SCVAL(status,0,(dirtype & 0x1F));
1375 :
1376 : /*
1377 : * Open an fsp on this directory for the dptr.
1378 : */
1379 176 : nt_status = SMB_VFS_CREATE_FILE(
1380 : conn, /* conn */
1381 : req, /* req */
1382 : dirfsp, /* dirfsp */
1383 : smb_dname, /* dname */
1384 : FILE_LIST_DIRECTORY, /* access_mask */
1385 : FILE_SHARE_READ|
1386 : FILE_SHARE_WRITE, /* share_access */
1387 : FILE_OPEN, /* create_disposition*/
1388 : FILE_DIRECTORY_FILE, /* create_options */
1389 : FILE_ATTRIBUTE_DIRECTORY,/* file_attributes */
1390 : NO_OPLOCK, /* oplock_request */
1391 : NULL, /* lease */
1392 : 0, /* allocation_size */
1393 : 0, /* private_flags */
1394 : NULL, /* sd */
1395 : NULL, /* ea_list */
1396 : &fsp, /* result */
1397 : NULL, /* pinfo */
1398 : NULL, /* in_context */
1399 : NULL);/* out_context */
1400 :
1401 176 : if (!NT_STATUS_IS_OK(nt_status)) {
1402 0 : DBG_ERR("failed to open directory %s\n",
1403 : smb_fname_str_dbg(smb_dname));
1404 0 : reply_nterror(req, nt_status);
1405 0 : goto out;
1406 : }
1407 :
1408 176 : nt_status = dptr_create(conn,
1409 : NULL, /* req */
1410 : fsp, /* fsp */
1411 : True,
1412 : mask,
1413 : dirtype,
1414 176 : &fsp->dptr);
1415 :
1416 176 : TALLOC_FREE(smb_dname);
1417 :
1418 176 : if (!NT_STATUS_IS_OK(nt_status)) {
1419 : /*
1420 : * Use NULL here for the first parameter (req)
1421 : * as this is not a client visible handle so
1422 : * can't be part of an SMB1 chain.
1423 : */
1424 0 : close_file_free(NULL, &fsp, NORMAL_CLOSE);
1425 0 : reply_nterror(req, nt_status);
1426 0 : goto out;
1427 : }
1428 :
1429 176 : dptr_num = dptr_dnum(fsp->dptr);
1430 176 : dirpath = dptr_path(sconn, dptr_num);
1431 176 : directory = talloc_strdup(ctx, dirpath);
1432 176 : if (!directory) {
1433 0 : reply_nterror(req, NT_STATUS_NO_MEMORY);
1434 0 : goto out;
1435 : }
1436 :
1437 : } else {
1438 0 : int status_dirtype;
1439 0 : const char *dirpath;
1440 0 : unsigned int dptr_filenum;
1441 0 : uint32_t resume_key_index;
1442 :
1443 324 : if (smbreq_bufrem(req, p) < 21) {
1444 0 : reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1445 0 : goto out;
1446 : }
1447 :
1448 324 : memcpy(status,p,21);
1449 324 : status_dirtype = CVAL(status,0) & 0x1F;
1450 324 : if (status_dirtype != (dirtype & 0x1F)) {
1451 0 : dirtype = status_dirtype;
1452 : }
1453 :
1454 324 : dptr_num = CVAL(status, 12);
1455 324 : fsp = dptr_fetch_lanman2_fsp(sconn, dptr_num);
1456 324 : if (fsp == NULL) {
1457 0 : goto SearchEmpty;
1458 : }
1459 :
1460 324 : resume_key_index = PULL_LE_U32(status, 13);
1461 324 : dptr_filenum = dptr_FileNumber(fsp->dptr);
1462 :
1463 324 : if (resume_key_index > dptr_filenum) {
1464 : /*
1465 : * Haven't seen this resume key yet. Just stop
1466 : * the search.
1467 : */
1468 0 : goto SearchEmpty;
1469 : }
1470 :
1471 324 : if (resume_key_index < dptr_filenum) {
1472 : /*
1473 : * The resume key was not the last one we
1474 : * sent, rewind and skip to what the client
1475 : * sent.
1476 : */
1477 120 : dptr_RewindDir(fsp->dptr);
1478 :
1479 120 : dptr_filenum = dptr_FileNumber(fsp->dptr);
1480 120 : SMB_ASSERT(dptr_filenum == 0);
1481 :
1482 240 : while (dptr_filenum < resume_key_index) {
1483 120 : bool ok = get_dir_entry(
1484 : ctx,
1485 : conn,
1486 120 : fsp->dptr,
1487 : dptr_wcard(sconn, dptr_num),
1488 : dirtype,
1489 : &fname,
1490 : &size,
1491 : &mode,
1492 : &date,
1493 : check_descend,
1494 : false);
1495 120 : TALLOC_FREE(fname);
1496 120 : if (!ok) {
1497 0 : goto SearchEmpty;
1498 : }
1499 :
1500 120 : dptr_filenum = dptr_FileNumber(fsp->dptr);
1501 : }
1502 : }
1503 :
1504 324 : dirpath = dptr_path(sconn, dptr_num);
1505 324 : directory = talloc_strdup(ctx, dirpath);
1506 324 : if (!directory) {
1507 0 : reply_nterror(req, NT_STATUS_NO_MEMORY);
1508 0 : goto out;
1509 : }
1510 :
1511 324 : mask = talloc_strdup(ctx, dptr_wcard(sconn, dptr_num));
1512 324 : if (!mask) {
1513 0 : goto SearchEmpty;
1514 : }
1515 324 : dirtype = dptr_attr(sconn, dptr_num);
1516 : }
1517 :
1518 500 : mask_contains_wcard = dptr_has_wild(fsp->dptr);
1519 :
1520 500 : DEBUG(4,("dptr_num is %d\n",dptr_num));
1521 :
1522 500 : if ((dirtype&0x1F) == FILE_ATTRIBUTE_VOLUME) {
1523 0 : char buf[DIR_STRUCT_SIZE];
1524 0 : memcpy(buf,status,21);
1525 0 : make_dir_struct(ctx,
1526 : buf,
1527 : "???????????",
1528 0 : volume_label(ctx, SNUM(conn)),
1529 : 0,
1530 : FILE_ATTRIBUTE_VOLUME,
1531 : 0,
1532 0 : !allow_long_path_components);
1533 0 : SCVAL(buf, 12, dptr_num);
1534 0 : numentries = 1;
1535 0 : if (message_push_blob(&req->outbuf,
1536 : data_blob_const(buf, sizeof(buf)))
1537 : == -1) {
1538 0 : reply_nterror(req, NT_STATUS_NO_MEMORY);
1539 0 : goto out;
1540 : }
1541 : } else {
1542 0 : unsigned int i;
1543 500 : size_t hdr_size = ((uint8_t *)smb_buf(req->outbuf) + 3 - req->outbuf);
1544 500 : size_t available_space = xconn->smb1.sessions.max_send - hdr_size;
1545 0 : bool ask_sharemode;
1546 :
1547 500 : maxentries = MIN(maxentries, available_space/DIR_STRUCT_SIZE);
1548 :
1549 500 : DEBUG(8,("dirpath=<%s> dontdescend=<%s>\n",
1550 : directory,lp_dont_descend(ctx, lp_sub, SNUM(conn))));
1551 500 : if (in_list(directory, lp_dont_descend(ctx, lp_sub, SNUM(conn)),True)) {
1552 0 : check_descend = True;
1553 : }
1554 :
1555 500 : ask_sharemode = fsp_search_ask_sharemode(fsp);
1556 :
1557 21266 : for (i=numentries;(i<maxentries) && !finished;i++) {
1558 41532 : finished = !get_dir_entry(ctx,
1559 : conn,
1560 20766 : fsp->dptr,
1561 : mask,
1562 : dirtype,
1563 : &fname,
1564 : &size,
1565 : &mode,
1566 : &date,
1567 : check_descend,
1568 20766 : ask_sharemode);
1569 20766 : if (!finished) {
1570 0 : char buf[DIR_STRUCT_SIZE];
1571 20718 : memcpy(buf,status,21);
1572 20718 : make_dir_struct(
1573 : ctx,
1574 : buf,
1575 : mask,
1576 : fname,
1577 : size,
1578 : mode,
1579 : convert_timespec_to_time_t(date),
1580 20718 : !allow_long_path_components);
1581 20718 : SCVAL(buf, 12, dptr_num);
1582 20718 : PUSH_LE_U32(buf,
1583 : 13,
1584 : dptr_FileNumber(fsp->dptr));
1585 20718 : if (message_push_blob(&req->outbuf,
1586 : data_blob_const(buf, sizeof(buf)))
1587 : == -1) {
1588 0 : reply_nterror(req, NT_STATUS_NO_MEMORY);
1589 0 : goto out;
1590 : }
1591 20718 : numentries++;
1592 : }
1593 20766 : TALLOC_FREE(fname);
1594 : }
1595 : }
1596 :
1597 500 : SearchEmpty:
1598 :
1599 : /* If we were called as SMBffirst with smb_search_id == NULL
1600 : and no entries were found then return error and close fsp->dptr
1601 : (X/Open spec) */
1602 :
1603 500 : if (numentries == 0) {
1604 38 : dptr_num = -1;
1605 38 : if (fsp != NULL) {
1606 38 : close_file_free(NULL, &fsp, NORMAL_CLOSE);
1607 : }
1608 462 : } else if(expect_close && status_len == 0) {
1609 : /* Close the dptr - we know it's gone */
1610 6 : dptr_num = -1;
1611 6 : if (fsp != NULL) {
1612 6 : close_file_free(NULL, &fsp, NORMAL_CLOSE);
1613 : }
1614 : }
1615 :
1616 : /* If we were called as SMBfunique, then we can close the fsp->dptr now ! */
1617 500 : if(dptr_num >= 0 && req->cmd == SMBfunique) {
1618 6 : dptr_num = -1;
1619 : /* fsp may have been closed above. */
1620 6 : if (fsp != NULL) {
1621 6 : close_file_free(NULL, &fsp, NORMAL_CLOSE);
1622 : }
1623 : }
1624 :
1625 500 : if ((numentries == 0) && !mask_contains_wcard) {
1626 18 : reply_botherror(req, STATUS_NO_MORE_FILES, ERRDOS, ERRnofiles);
1627 18 : goto out;
1628 : }
1629 :
1630 482 : SSVAL(req->outbuf,smb_vwv0,numentries);
1631 482 : SSVAL(req->outbuf,smb_vwv1,3 + numentries * DIR_STRUCT_SIZE);
1632 482 : SCVAL(smb_buf(req->outbuf),0,5);
1633 482 : SSVAL(smb_buf(req->outbuf),1,numentries*DIR_STRUCT_SIZE);
1634 :
1635 : /* The replies here are never long name. */
1636 482 : SSVAL(req->outbuf, smb_flg2,
1637 : SVAL(req->outbuf, smb_flg2) & (~FLAGS2_IS_LONG_NAME));
1638 482 : if (!allow_long_path_components) {
1639 4 : SSVAL(req->outbuf, smb_flg2,
1640 : SVAL(req->outbuf, smb_flg2)
1641 : & (~FLAGS2_LONG_PATH_COMPONENTS));
1642 : }
1643 :
1644 : /* This SMB *always* returns ASCII names. Remove the unicode bit in flags2. */
1645 482 : SSVAL(req->outbuf, smb_flg2,
1646 : (SVAL(req->outbuf, smb_flg2) & (~FLAGS2_UNICODE_STRINGS)));
1647 :
1648 482 : DEBUG(4,("%s mask=%s path=%s dtype=%d nument=%u of %u\n",
1649 : smb_fn_name(req->cmd),
1650 : mask,
1651 : directory,
1652 : dirtype,
1653 : numentries,
1654 : maxentries ));
1655 500 : out:
1656 500 : TALLOC_FREE(directory);
1657 500 : TALLOC_FREE(mask);
1658 500 : TALLOC_FREE(smb_fname);
1659 500 : END_PROFILE(SMBsearch);
1660 500 : return;
1661 : }
1662 :
1663 : /****************************************************************************
1664 : Reply to a fclose (stop directory search).
1665 : ****************************************************************************/
1666 :
1667 8 : void reply_fclose(struct smb_request *req)
1668 : {
1669 0 : int status_len;
1670 8 : int dptr_num= -2;
1671 0 : const char *p;
1672 8 : char *path = NULL;
1673 0 : NTSTATUS err;
1674 8 : TALLOC_CTX *ctx = talloc_tos();
1675 8 : struct smbd_server_connection *sconn = req->sconn;
1676 8 : files_struct *fsp = NULL;
1677 :
1678 8 : START_PROFILE(SMBfclose);
1679 :
1680 8 : if (req->posix_pathnames) {
1681 0 : reply_unknown_new(req, req->cmd);
1682 0 : END_PROFILE(SMBfclose);
1683 0 : return;
1684 : }
1685 :
1686 8 : p = (const char *)req->buf + 1;
1687 8 : p += srvstr_get_path_req(ctx, req, &path, p, STR_TERMINATE,
1688 : &err);
1689 8 : if (!NT_STATUS_IS_OK(err)) {
1690 0 : reply_nterror(req, err);
1691 0 : END_PROFILE(SMBfclose);
1692 0 : return;
1693 : }
1694 :
1695 8 : if (smbreq_bufrem(req, p) < 3) {
1696 0 : reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1697 0 : END_PROFILE(SMBfclose);
1698 0 : return;
1699 : }
1700 :
1701 8 : p++;
1702 8 : status_len = SVAL(p,0);
1703 8 : p += 2;
1704 :
1705 8 : if (status_len == 0) {
1706 0 : reply_force_doserror(req, ERRSRV, ERRsrverror);
1707 0 : END_PROFILE(SMBfclose);
1708 0 : return;
1709 : }
1710 :
1711 8 : if (smbreq_bufrem(req, p) < 21) {
1712 0 : reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1713 0 : END_PROFILE(SMBfclose);
1714 0 : return;
1715 : }
1716 :
1717 8 : dptr_num = CVAL(p, 12);
1718 :
1719 8 : fsp = dptr_fetch_lanman2_fsp(sconn, dptr_num);
1720 8 : if(fsp != NULL) {
1721 : /* Close the file - we know it's gone */
1722 0 : close_file_free(NULL, &fsp, NORMAL_CLOSE);
1723 0 : dptr_num = -1;
1724 : }
1725 :
1726 8 : reply_smb1_outbuf(req, 1, 0);
1727 8 : SSVAL(req->outbuf,smb_vwv0,0);
1728 :
1729 8 : DEBUG(3,("search close\n"));
1730 :
1731 8 : END_PROFILE(SMBfclose);
1732 8 : return;
1733 : }
1734 :
1735 : /****************************************************************************
1736 : Reply to an open.
1737 : ****************************************************************************/
1738 :
1739 61 : void reply_open(struct smb_request *req)
1740 : {
1741 61 : connection_struct *conn = req->conn;
1742 61 : struct smb_filename *smb_fname = NULL;
1743 61 : char *fname = NULL;
1744 61 : uint32_t fattr=0;
1745 61 : off_t size = 0;
1746 61 : time_t mtime=0;
1747 11 : int info;
1748 61 : struct files_struct *dirfsp = NULL;
1749 11 : files_struct *fsp;
1750 11 : int oplock_request;
1751 11 : int deny_mode;
1752 11 : uint32_t dos_attr;
1753 11 : uint32_t access_mask;
1754 11 : uint32_t share_mode;
1755 11 : uint32_t create_disposition;
1756 61 : uint32_t create_options = 0;
1757 61 : uint32_t private_flags = 0;
1758 11 : NTSTATUS status;
1759 11 : uint32_t ucf_flags;
1760 61 : NTTIME twrp = 0;
1761 61 : TALLOC_CTX *ctx = talloc_tos();
1762 :
1763 61 : START_PROFILE(SMBopen);
1764 :
1765 61 : if (req->wct < 2) {
1766 0 : reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1767 0 : goto out;
1768 : }
1769 :
1770 61 : oplock_request = CORE_OPLOCK_REQUEST(req->inbuf);
1771 61 : deny_mode = SVAL(req->vwv+0, 0);
1772 61 : dos_attr = SVAL(req->vwv+1, 0);
1773 :
1774 61 : srvstr_get_path_req(ctx, req, &fname, (const char *)req->buf+1,
1775 : STR_TERMINATE, &status);
1776 61 : if (!NT_STATUS_IS_OK(status)) {
1777 0 : reply_nterror(req, status);
1778 0 : goto out;
1779 : }
1780 :
1781 61 : if (!map_open_params_to_ntcreate(fname, deny_mode,
1782 : OPENX_FILE_EXISTS_OPEN, &access_mask,
1783 : &share_mode, &create_disposition,
1784 : &create_options, &private_flags)) {
1785 0 : reply_force_doserror(req, ERRDOS, ERRbadaccess);
1786 0 : goto out;
1787 : }
1788 :
1789 61 : ucf_flags = filename_create_ucf_flags(req, create_disposition);
1790 :
1791 61 : if (ucf_flags & UCF_GMT_PATHNAME) {
1792 0 : extract_snapshot_token(fname, &twrp);
1793 : }
1794 61 : status = smb1_strip_dfs_path(ctx, &ucf_flags, &fname);
1795 61 : if (!NT_STATUS_IS_OK(status)) {
1796 0 : reply_nterror(req, status);
1797 0 : goto out;
1798 : }
1799 61 : status = filename_convert_dirfsp(ctx,
1800 : conn,
1801 : fname,
1802 : ucf_flags,
1803 : twrp,
1804 : &dirfsp,
1805 : &smb_fname);
1806 61 : if (!NT_STATUS_IS_OK(status)) {
1807 0 : if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
1808 0 : reply_botherror(req,
1809 : NT_STATUS_PATH_NOT_COVERED,
1810 : ERRSRV, ERRbadpath);
1811 0 : goto out;
1812 : }
1813 0 : reply_nterror(req, status);
1814 0 : goto out;
1815 : }
1816 :
1817 61 : status = SMB_VFS_CREATE_FILE(
1818 : conn, /* conn */
1819 : req, /* req */
1820 : dirfsp, /* dirfsp */
1821 : smb_fname, /* fname */
1822 : access_mask, /* access_mask */
1823 : share_mode, /* share_access */
1824 : create_disposition, /* create_disposition*/
1825 : create_options, /* create_options */
1826 : dos_attr, /* file_attributes */
1827 : oplock_request, /* oplock_request */
1828 : NULL, /* lease */
1829 : 0, /* allocation_size */
1830 : private_flags,
1831 : NULL, /* sd */
1832 : NULL, /* ea_list */
1833 : &fsp, /* result */
1834 : &info, /* pinfo */
1835 : NULL, NULL); /* create context */
1836 :
1837 61 : if (!NT_STATUS_IS_OK(status)) {
1838 24 : if (open_was_deferred(req->xconn, req->mid)) {
1839 : /* We have re-scheduled this call. */
1840 0 : goto out;
1841 : }
1842 :
1843 24 : if (!NT_STATUS_EQUAL(status, NT_STATUS_SHARING_VIOLATION)) {
1844 9 : reply_openerror(req, status);
1845 9 : goto out;
1846 : }
1847 :
1848 15 : fsp = fcb_or_dos_open(
1849 : req,
1850 : smb_fname,
1851 : access_mask,
1852 : create_options,
1853 : private_flags);
1854 15 : if (fsp == NULL) {
1855 10 : bool ok = defer_smb1_sharing_violation(req);
1856 10 : if (ok) {
1857 5 : goto out;
1858 : }
1859 5 : reply_openerror(req, status);
1860 5 : goto out;
1861 : }
1862 : }
1863 :
1864 : /* Ensure we're pointing at the correct stat struct. */
1865 42 : TALLOC_FREE(smb_fname);
1866 42 : smb_fname = fsp->fsp_name;
1867 :
1868 42 : size = smb_fname->st.st_ex_size;
1869 42 : fattr = fdos_mode(fsp);
1870 :
1871 42 : mtime = convert_timespec_to_time_t(smb_fname->st.st_ex_mtime);
1872 :
1873 42 : if (fattr & FILE_ATTRIBUTE_DIRECTORY) {
1874 0 : DEBUG(3,("attempt to open a directory %s\n",
1875 : fsp_str_dbg(fsp)));
1876 0 : close_file_free(req, &fsp, ERROR_CLOSE);
1877 0 : reply_botherror(req, NT_STATUS_ACCESS_DENIED,
1878 : ERRDOS, ERRnoaccess);
1879 0 : goto out;
1880 : }
1881 :
1882 42 : reply_smb1_outbuf(req, 7, 0);
1883 42 : SSVAL(req->outbuf,smb_vwv0,fsp->fnum);
1884 42 : SSVAL(req->outbuf,smb_vwv1,fattr);
1885 42 : if(lp_dos_filetime_resolution(SNUM(conn)) ) {
1886 0 : srv_put_dos_date3((char *)req->outbuf,smb_vwv2,mtime & ~1);
1887 : } else {
1888 42 : srv_put_dos_date3((char *)req->outbuf,smb_vwv2,mtime);
1889 : }
1890 42 : SIVAL(req->outbuf,smb_vwv4,(uint32_t)size);
1891 42 : SSVAL(req->outbuf,smb_vwv6,deny_mode);
1892 :
1893 42 : if (oplock_request && lp_fake_oplocks(SNUM(conn))) {
1894 0 : SCVAL(req->outbuf,smb_flg,
1895 : CVAL(req->outbuf,smb_flg)|CORE_OPLOCK_GRANTED);
1896 : }
1897 :
1898 42 : if(EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type)) {
1899 0 : SCVAL(req->outbuf,smb_flg,
1900 : CVAL(req->outbuf,smb_flg)|CORE_OPLOCK_GRANTED);
1901 : }
1902 42 : out:
1903 61 : END_PROFILE(SMBopen);
1904 61 : return;
1905 : }
1906 :
1907 : /****************************************************************************
1908 : Reply to an open and X.
1909 : ****************************************************************************/
1910 :
1911 23327 : void reply_open_and_X(struct smb_request *req)
1912 : {
1913 23327 : connection_struct *conn = req->conn;
1914 23327 : struct smb_filename *smb_fname = NULL;
1915 23327 : char *fname = NULL;
1916 95 : uint16_t open_flags;
1917 95 : int deny_mode;
1918 95 : uint32_t smb_attr;
1919 : /* Breakout the oplock request bits so we can set the
1920 : reply bits separately. */
1921 95 : int ex_oplock_request;
1922 95 : int core_oplock_request;
1923 95 : int oplock_request;
1924 : #if 0
1925 : int smb_sattr = SVAL(req->vwv+4, 0);
1926 : uint32_t smb_time = make_unix_date3(req->vwv+6);
1927 : #endif
1928 95 : int smb_ofun;
1929 23327 : uint32_t fattr=0;
1930 23327 : int mtime=0;
1931 23327 : int smb_action = 0;
1932 23327 : struct files_struct *dirfsp = NULL;
1933 95 : files_struct *fsp;
1934 95 : NTSTATUS status;
1935 95 : uint64_t allocation_size;
1936 23327 : ssize_t retval = -1;
1937 95 : uint32_t access_mask;
1938 95 : uint32_t share_mode;
1939 95 : uint32_t create_disposition;
1940 23327 : uint32_t create_options = 0;
1941 23327 : uint32_t private_flags = 0;
1942 95 : uint32_t ucf_flags;
1943 23327 : NTTIME twrp = 0;
1944 23327 : TALLOC_CTX *ctx = talloc_tos();
1945 :
1946 23327 : START_PROFILE(SMBopenX);
1947 :
1948 23327 : if (req->wct < 15) {
1949 0 : reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1950 0 : goto out;
1951 : }
1952 :
1953 23327 : open_flags = SVAL(req->vwv+2, 0);
1954 23327 : deny_mode = SVAL(req->vwv+3, 0);
1955 23327 : smb_attr = SVAL(req->vwv+5, 0);
1956 23327 : ex_oplock_request = EXTENDED_OPLOCK_REQUEST(req->inbuf);
1957 23327 : core_oplock_request = CORE_OPLOCK_REQUEST(req->inbuf);
1958 23327 : oplock_request = ex_oplock_request | core_oplock_request;
1959 23327 : smb_ofun = SVAL(req->vwv+8, 0);
1960 23327 : allocation_size = (uint64_t)IVAL(req->vwv+9, 0);
1961 :
1962 : /* If it's an IPC, pass off the pipe handler. */
1963 23327 : if (IS_IPC(conn)) {
1964 40 : if (lp_nt_pipe_support()) {
1965 40 : reply_open_pipe_and_X(conn, req);
1966 : } else {
1967 0 : reply_nterror(req, NT_STATUS_NETWORK_ACCESS_DENIED);
1968 : }
1969 40 : goto out;
1970 : }
1971 :
1972 : /* XXXX we need to handle passed times, sattr and flags */
1973 23287 : srvstr_get_path_req(ctx, req, &fname, (const char *)req->buf,
1974 : STR_TERMINATE, &status);
1975 23287 : if (!NT_STATUS_IS_OK(status)) {
1976 32 : reply_nterror(req, status);
1977 32 : goto out;
1978 : }
1979 :
1980 23255 : if (!map_open_params_to_ntcreate(fname, deny_mode,
1981 : smb_ofun,
1982 : &access_mask, &share_mode,
1983 : &create_disposition,
1984 : &create_options,
1985 : &private_flags)) {
1986 18 : reply_force_doserror(req, ERRDOS, ERRbadaccess);
1987 18 : goto out;
1988 : }
1989 :
1990 23237 : ucf_flags = filename_create_ucf_flags(req, create_disposition);
1991 :
1992 23237 : if (ucf_flags & UCF_GMT_PATHNAME) {
1993 0 : extract_snapshot_token(fname, &twrp);
1994 : }
1995 23237 : status = smb1_strip_dfs_path(ctx, &ucf_flags, &fname);
1996 23237 : if (!NT_STATUS_IS_OK(status)) {
1997 0 : reply_nterror(req, status);
1998 0 : goto out;
1999 : }
2000 :
2001 23237 : status = filename_convert_dirfsp(ctx,
2002 : conn,
2003 : fname,
2004 : ucf_flags,
2005 : twrp,
2006 : &dirfsp,
2007 : &smb_fname);
2008 23237 : if (!NT_STATUS_IS_OK(status)) {
2009 40 : if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
2010 0 : reply_botherror(req,
2011 : NT_STATUS_PATH_NOT_COVERED,
2012 : ERRSRV, ERRbadpath);
2013 0 : goto out;
2014 : }
2015 40 : reply_nterror(req, status);
2016 40 : goto out;
2017 : }
2018 :
2019 23197 : status = SMB_VFS_CREATE_FILE(
2020 : conn, /* conn */
2021 : req, /* req */
2022 : dirfsp, /* dirfsp */
2023 : smb_fname, /* fname */
2024 : access_mask, /* access_mask */
2025 : share_mode, /* share_access */
2026 : create_disposition, /* create_disposition*/
2027 : create_options, /* create_options */
2028 : smb_attr, /* file_attributes */
2029 : oplock_request, /* oplock_request */
2030 : NULL, /* lease */
2031 : 0, /* allocation_size */
2032 : private_flags,
2033 : NULL, /* sd */
2034 : NULL, /* ea_list */
2035 : &fsp, /* result */
2036 : &smb_action, /* pinfo */
2037 : NULL, NULL); /* create context */
2038 :
2039 23197 : if (!NT_STATUS_IS_OK(status)) {
2040 4609 : if (open_was_deferred(req->xconn, req->mid)) {
2041 : /* We have re-scheduled this call. */
2042 20 : goto out;
2043 : }
2044 :
2045 4589 : if (!NT_STATUS_EQUAL(status, NT_STATUS_SHARING_VIOLATION)) {
2046 189 : reply_openerror(req, status);
2047 189 : goto out;
2048 : }
2049 :
2050 4400 : fsp = fcb_or_dos_open(
2051 : req,
2052 : smb_fname,
2053 : access_mask,
2054 : create_options,
2055 : private_flags);
2056 4400 : if (fsp == NULL) {
2057 4292 : bool ok = defer_smb1_sharing_violation(req);
2058 4292 : if (ok) {
2059 2146 : goto out;
2060 : }
2061 2146 : reply_openerror(req, status);
2062 2146 : goto out;
2063 : }
2064 :
2065 :
2066 108 : smb_action = FILE_WAS_OPENED;
2067 : }
2068 :
2069 : /* Setting the "size" field in vwv9 and vwv10 causes the file to be set to this size,
2070 : if the file is truncated or created. */
2071 18696 : if (((smb_action == FILE_WAS_CREATED) || (smb_action == FILE_WAS_OVERWRITTEN)) && allocation_size) {
2072 44 : fsp->initial_allocation_size = smb_roundup(fsp->conn, allocation_size);
2073 44 : if (vfs_allocate_file_space(fsp, fsp->initial_allocation_size) == -1) {
2074 0 : close_file_free(req, &fsp, ERROR_CLOSE);
2075 0 : reply_nterror(req, NT_STATUS_DISK_FULL);
2076 0 : goto out;
2077 : }
2078 44 : retval = vfs_set_filelen(fsp, (off_t)allocation_size);
2079 44 : if (retval < 0) {
2080 0 : close_file_free(req, &fsp, ERROR_CLOSE);
2081 0 : reply_nterror(req, NT_STATUS_DISK_FULL);
2082 0 : goto out;
2083 : }
2084 44 : status = vfs_stat_fsp(fsp);
2085 44 : if (!NT_STATUS_IS_OK(status)) {
2086 0 : close_file_free(req, &fsp, ERROR_CLOSE);
2087 0 : reply_nterror(req, status);
2088 0 : goto out;
2089 : }
2090 : }
2091 :
2092 18696 : fattr = fdos_mode(fsp);
2093 18696 : if (fattr & FILE_ATTRIBUTE_DIRECTORY) {
2094 0 : close_file_free(req, &fsp, ERROR_CLOSE);
2095 0 : reply_nterror(req, NT_STATUS_ACCESS_DENIED);
2096 0 : goto out;
2097 : }
2098 18696 : mtime = convert_timespec_to_time_t(fsp->fsp_name->st.st_ex_mtime);
2099 :
2100 : /* If the caller set the extended oplock request bit
2101 : and we granted one (by whatever means) - set the
2102 : correct bit for extended oplock reply.
2103 : */
2104 :
2105 18696 : if (ex_oplock_request && lp_fake_oplocks(SNUM(conn))) {
2106 0 : smb_action |= EXTENDED_OPLOCK_GRANTED;
2107 : }
2108 :
2109 18696 : if(ex_oplock_request && EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type)) {
2110 16 : smb_action |= EXTENDED_OPLOCK_GRANTED;
2111 : }
2112 :
2113 : /* If the caller set the core oplock request bit
2114 : and we granted one (by whatever means) - set the
2115 : correct bit for core oplock reply.
2116 : */
2117 :
2118 18696 : if (open_flags & EXTENDED_RESPONSE_REQUIRED) {
2119 5 : reply_smb1_outbuf(req, 19, 0);
2120 : } else {
2121 18691 : reply_smb1_outbuf(req, 15, 0);
2122 : }
2123 :
2124 18696 : SSVAL(req->outbuf, smb_vwv0, 0xff); /* andx chain ends */
2125 18696 : SSVAL(req->outbuf, smb_vwv1, 0); /* no andx offset */
2126 :
2127 18696 : if (core_oplock_request && lp_fake_oplocks(SNUM(conn))) {
2128 0 : SCVAL(req->outbuf, smb_flg,
2129 : CVAL(req->outbuf,smb_flg)|CORE_OPLOCK_GRANTED);
2130 : }
2131 :
2132 18696 : if(core_oplock_request && EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type)) {
2133 16 : SCVAL(req->outbuf, smb_flg,
2134 : CVAL(req->outbuf,smb_flg)|CORE_OPLOCK_GRANTED);
2135 : }
2136 :
2137 18696 : SSVAL(req->outbuf,smb_vwv2,fsp->fnum);
2138 18696 : SSVAL(req->outbuf,smb_vwv3,fattr);
2139 18696 : if(lp_dos_filetime_resolution(SNUM(conn)) ) {
2140 0 : srv_put_dos_date3((char *)req->outbuf,smb_vwv4,mtime & ~1);
2141 : } else {
2142 18696 : srv_put_dos_date3((char *)req->outbuf,smb_vwv4,mtime);
2143 : }
2144 18696 : SIVAL(req->outbuf,smb_vwv6,(uint32_t)fsp->fsp_name->st.st_ex_size);
2145 18696 : SSVAL(req->outbuf,smb_vwv8,GET_OPENX_MODE(deny_mode));
2146 18696 : SSVAL(req->outbuf,smb_vwv11,smb_action);
2147 :
2148 18696 : if (open_flags & EXTENDED_RESPONSE_REQUIRED) {
2149 5 : SIVAL(req->outbuf, smb_vwv15, SEC_STD_ALL);
2150 : }
2151 :
2152 18691 : out:
2153 23327 : TALLOC_FREE(smb_fname);
2154 23327 : END_PROFILE(SMBopenX);
2155 23327 : return;
2156 : }
2157 :
2158 : /****************************************************************************
2159 : Reply to a SMBulogoffX.
2160 : ****************************************************************************/
2161 :
2162 : static struct tevent_req *reply_ulogoffX_send(struct smb_request *smb1req,
2163 : struct smbXsrv_session *session);
2164 : static void reply_ulogoffX_done(struct tevent_req *req);
2165 :
2166 12 : void reply_ulogoffX(struct smb_request *smb1req)
2167 : {
2168 12 : struct timeval now = timeval_current();
2169 12 : struct smbXsrv_session *session = NULL;
2170 0 : struct tevent_req *req;
2171 0 : NTSTATUS status;
2172 :
2173 : /*
2174 : * Don't setup the profile charge here, take
2175 : * it in reply_ulogoffX_done(). Not strictly correct
2176 : * but better than the other SMB1 async
2177 : * code that double-charges at the moment.
2178 : */
2179 :
2180 12 : status = smb1srv_session_lookup(smb1req->xconn,
2181 12 : smb1req->vuid,
2182 : timeval_to_nttime(&now),
2183 : &session);
2184 12 : if (!NT_STATUS_IS_OK(status)) {
2185 : /* Not going async, profile here. */
2186 0 : START_PROFILE(SMBulogoffX);
2187 0 : DBG_WARNING("ulogoff, vuser id %llu does not map to user.\n",
2188 : (unsigned long long)smb1req->vuid);
2189 :
2190 0 : smb1req->vuid = UID_FIELD_INVALID;
2191 0 : reply_force_doserror(smb1req, ERRSRV, ERRbaduid);
2192 0 : END_PROFILE(SMBulogoffX);
2193 0 : return;
2194 : }
2195 :
2196 12 : req = reply_ulogoffX_send(smb1req, session);
2197 12 : if (req == NULL) {
2198 : /* Not going async, profile here. */
2199 0 : START_PROFILE(SMBulogoffX);
2200 0 : reply_force_doserror(smb1req, ERRDOS, ERRnomem);
2201 0 : END_PROFILE(SMBulogoffX);
2202 0 : return;
2203 : }
2204 :
2205 : /* We're async. This will complete later. */
2206 12 : tevent_req_set_callback(req, reply_ulogoffX_done, smb1req);
2207 12 : return;
2208 : }
2209 :
2210 : struct reply_ulogoffX_state {
2211 : struct tevent_queue *wait_queue;
2212 : struct smbXsrv_session *session;
2213 : };
2214 :
2215 : static void reply_ulogoffX_wait_done(struct tevent_req *subreq);
2216 :
2217 : /****************************************************************************
2218 : Async SMB1 ulogoffX.
2219 : Note, on failure here we deallocate and return NULL to allow the caller to
2220 : SMB1 return an error of ERRnomem immediately.
2221 : ****************************************************************************/
2222 :
2223 12 : static struct tevent_req *reply_ulogoffX_send(struct smb_request *smb1req,
2224 : struct smbXsrv_session *session)
2225 : {
2226 0 : struct tevent_req *req;
2227 0 : struct reply_ulogoffX_state *state;
2228 0 : struct tevent_req *subreq;
2229 0 : files_struct *fsp;
2230 12 : struct smbd_server_connection *sconn = session->client->sconn;
2231 12 : uint64_t vuid = session->global->session_wire_id;
2232 :
2233 12 : req = tevent_req_create(smb1req, &state,
2234 : struct reply_ulogoffX_state);
2235 12 : if (req == NULL) {
2236 0 : return NULL;
2237 : }
2238 12 : state->wait_queue = tevent_queue_create(state,
2239 : "reply_ulogoffX_wait_queue");
2240 12 : if (tevent_req_nomem(state->wait_queue, req)) {
2241 0 : TALLOC_FREE(req);
2242 0 : return NULL;
2243 : }
2244 12 : state->session = session;
2245 :
2246 : /*
2247 : * Make sure that no new request will be able to use this session.
2248 : * This ensures that once all outstanding fsp->aio_requests
2249 : * on this session are done, we are safe to close it.
2250 : */
2251 12 : session->status = NT_STATUS_USER_SESSION_DELETED;
2252 :
2253 20 : for (fsp = sconn->files; fsp; fsp = fsp->next) {
2254 8 : if (fsp->vuid != vuid) {
2255 0 : continue;
2256 : }
2257 : /*
2258 : * Flag the file as close in progress.
2259 : * This will prevent any more IO being
2260 : * done on it.
2261 : */
2262 8 : fsp->fsp_flags.closing = true;
2263 :
2264 8 : if (fsp->num_aio_requests > 0) {
2265 : /*
2266 : * Now wait until all aio requests on this fsp are
2267 : * finished.
2268 : *
2269 : * We don't set a callback, as we just want to block the
2270 : * wait queue and the talloc_free() of fsp->aio_request
2271 : * will remove the item from the wait queue.
2272 : */
2273 0 : subreq = tevent_queue_wait_send(fsp->aio_requests,
2274 : sconn->ev_ctx,
2275 0 : state->wait_queue);
2276 0 : if (tevent_req_nomem(subreq, req)) {
2277 0 : TALLOC_FREE(req);
2278 0 : return NULL;
2279 : }
2280 : }
2281 : }
2282 :
2283 : /*
2284 : * Now we add our own waiter to the end of the queue,
2285 : * this way we get notified when all pending requests are finished
2286 : * and reply to the outstanding SMB1 request.
2287 : */
2288 12 : subreq = tevent_queue_wait_send(state,
2289 : sconn->ev_ctx,
2290 12 : state->wait_queue);
2291 12 : if (tevent_req_nomem(subreq, req)) {
2292 0 : TALLOC_FREE(req);
2293 0 : return NULL;
2294 : }
2295 :
2296 : /*
2297 : * We're really going async - move the SMB1 request from
2298 : * a talloc stackframe above us to the sconn talloc-context.
2299 : * We need this to stick around until the wait_done
2300 : * callback is invoked.
2301 : */
2302 12 : smb1req = talloc_move(sconn, &smb1req);
2303 :
2304 12 : tevent_req_set_callback(subreq, reply_ulogoffX_wait_done, req);
2305 :
2306 12 : return req;
2307 : }
2308 :
2309 12 : static void reply_ulogoffX_wait_done(struct tevent_req *subreq)
2310 : {
2311 12 : struct tevent_req *req = tevent_req_callback_data(
2312 : subreq, struct tevent_req);
2313 :
2314 12 : tevent_queue_wait_recv(subreq);
2315 12 : TALLOC_FREE(subreq);
2316 12 : tevent_req_done(req);
2317 12 : }
2318 :
2319 12 : static NTSTATUS reply_ulogoffX_recv(struct tevent_req *req)
2320 : {
2321 12 : return tevent_req_simple_recv_ntstatus(req);
2322 : }
2323 :
2324 12 : static void reply_ulogoffX_done(struct tevent_req *req)
2325 : {
2326 12 : struct smb_request *smb1req = tevent_req_callback_data(
2327 : req, struct smb_request);
2328 12 : struct reply_ulogoffX_state *state = tevent_req_data(req,
2329 : struct reply_ulogoffX_state);
2330 12 : struct smbXsrv_session *session = state->session;
2331 0 : NTSTATUS status;
2332 :
2333 : /*
2334 : * Take the profile charge here. Not strictly
2335 : * correct but better than the other SMB1 async
2336 : * code that double-charges at the moment.
2337 : */
2338 12 : START_PROFILE(SMBulogoffX);
2339 :
2340 12 : status = reply_ulogoffX_recv(req);
2341 12 : TALLOC_FREE(req);
2342 12 : if (!NT_STATUS_IS_OK(status)) {
2343 0 : TALLOC_FREE(smb1req);
2344 0 : END_PROFILE(SMBulogoffX);
2345 0 : exit_server(__location__ ": reply_ulogoffX_recv failed");
2346 : return;
2347 : }
2348 :
2349 12 : status = smbXsrv_session_logoff(session);
2350 12 : if (!NT_STATUS_IS_OK(status)) {
2351 0 : TALLOC_FREE(smb1req);
2352 0 : END_PROFILE(SMBulogoffX);
2353 0 : exit_server(__location__ ": smbXsrv_session_logoff failed");
2354 : return;
2355 : }
2356 :
2357 12 : TALLOC_FREE(session);
2358 :
2359 12 : reply_smb1_outbuf(smb1req, 2, 0);
2360 12 : SSVAL(smb1req->outbuf, smb_vwv0, 0xff); /* andx chain ends */
2361 12 : SSVAL(smb1req->outbuf, smb_vwv1, 0); /* no andx offset */
2362 :
2363 12 : DBG_NOTICE("ulogoffX vuid=%llu\n",
2364 : (unsigned long long)smb1req->vuid);
2365 :
2366 12 : smb1req->vuid = UID_FIELD_INVALID;
2367 : /*
2368 : * The following call is needed to push the
2369 : * reply data back out the socket after async
2370 : * return. Plus it frees smb1req.
2371 : */
2372 12 : smb_request_done(smb1req);
2373 12 : END_PROFILE(SMBulogoffX);
2374 : }
2375 :
2376 : /****************************************************************************
2377 : Reply to a mknew or a create.
2378 : ****************************************************************************/
2379 :
2380 42 : void reply_mknew(struct smb_request *req)
2381 : {
2382 42 : connection_struct *conn = req->conn;
2383 42 : struct smb_filename *smb_fname = NULL;
2384 42 : char *fname = NULL;
2385 42 : uint32_t fattr = 0;
2386 8 : struct smb_file_time ft;
2387 42 : struct files_struct *dirfsp = NULL;
2388 8 : files_struct *fsp;
2389 42 : int oplock_request = 0;
2390 8 : NTSTATUS status;
2391 42 : uint32_t access_mask = FILE_GENERIC_READ | FILE_GENERIC_WRITE;
2392 42 : uint32_t share_mode = FILE_SHARE_READ|FILE_SHARE_WRITE;
2393 8 : uint32_t create_disposition;
2394 42 : uint32_t create_options = 0;
2395 8 : uint32_t ucf_flags;
2396 42 : NTTIME twrp = 0;
2397 42 : TALLOC_CTX *ctx = talloc_tos();
2398 :
2399 42 : START_PROFILE(SMBcreate);
2400 42 : init_smb_file_time(&ft);
2401 :
2402 42 : if (req->wct < 3) {
2403 0 : reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2404 0 : goto out;
2405 : }
2406 :
2407 42 : fattr = SVAL(req->vwv+0, 0);
2408 42 : oplock_request = CORE_OPLOCK_REQUEST(req->inbuf);
2409 :
2410 42 : if (req->cmd == SMBmknew) {
2411 : /* We should fail if file exists. */
2412 16 : create_disposition = FILE_CREATE;
2413 : } else {
2414 : /* Create if file doesn't exist, truncate if it does. */
2415 22 : create_disposition = FILE_OVERWRITE_IF;
2416 : }
2417 :
2418 : /* mtime. */
2419 42 : ft.mtime = time_t_to_full_timespec(srv_make_unix_date3(req->vwv+1));
2420 :
2421 42 : srvstr_get_path_req(ctx, req, &fname, (const char *)req->buf + 1,
2422 : STR_TERMINATE, &status);
2423 42 : if (!NT_STATUS_IS_OK(status)) {
2424 0 : reply_nterror(req, status);
2425 0 : goto out;
2426 : }
2427 :
2428 42 : ucf_flags = filename_create_ucf_flags(req, create_disposition);
2429 42 : if (ucf_flags & UCF_GMT_PATHNAME) {
2430 0 : extract_snapshot_token(fname, &twrp);
2431 : }
2432 42 : status = smb1_strip_dfs_path(ctx, &ucf_flags, &fname);
2433 42 : if (!NT_STATUS_IS_OK(status)) {
2434 0 : reply_nterror(req, status);
2435 0 : goto out;
2436 : }
2437 :
2438 42 : status = filename_convert_dirfsp(ctx,
2439 : conn,
2440 : fname,
2441 : ucf_flags,
2442 : twrp,
2443 : &dirfsp,
2444 : &smb_fname);
2445 42 : if (!NT_STATUS_IS_OK(status)) {
2446 0 : if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
2447 0 : reply_botherror(req,
2448 : NT_STATUS_PATH_NOT_COVERED,
2449 : ERRSRV, ERRbadpath);
2450 0 : goto out;
2451 : }
2452 0 : reply_nterror(req, status);
2453 0 : goto out;
2454 : }
2455 :
2456 42 : if (fattr & FILE_ATTRIBUTE_VOLUME) {
2457 0 : DEBUG(0,("Attempt to create file (%s) with volid set - "
2458 : "please report this\n",
2459 : smb_fname_str_dbg(smb_fname)));
2460 : }
2461 :
2462 42 : status = SMB_VFS_CREATE_FILE(
2463 : conn, /* conn */
2464 : req, /* req */
2465 : dirfsp, /* dirfsp */
2466 : smb_fname, /* fname */
2467 : access_mask, /* access_mask */
2468 : share_mode, /* share_access */
2469 : create_disposition, /* create_disposition*/
2470 : create_options, /* create_options */
2471 : fattr, /* file_attributes */
2472 : oplock_request, /* oplock_request */
2473 : NULL, /* lease */
2474 : 0, /* allocation_size */
2475 : 0, /* private_flags */
2476 : NULL, /* sd */
2477 : NULL, /* ea_list */
2478 : &fsp, /* result */
2479 : NULL, /* pinfo */
2480 : NULL, NULL); /* create context */
2481 :
2482 42 : if (!NT_STATUS_IS_OK(status)) {
2483 7 : if (open_was_deferred(req->xconn, req->mid)) {
2484 : /* We have re-scheduled this call. */
2485 0 : goto out;
2486 : }
2487 7 : if (NT_STATUS_EQUAL(status, NT_STATUS_SHARING_VIOLATION)) {
2488 0 : bool ok = defer_smb1_sharing_violation(req);
2489 0 : if (ok) {
2490 0 : goto out;
2491 : }
2492 : }
2493 7 : reply_openerror(req, status);
2494 7 : goto out;
2495 : }
2496 :
2497 35 : ft.atime = smb_fname->st.st_ex_atime; /* atime. */
2498 35 : status = smb_set_file_time(conn, fsp, smb_fname, &ft, true);
2499 35 : if (!NT_STATUS_IS_OK(status)) {
2500 0 : END_PROFILE(SMBcreate);
2501 0 : goto out;
2502 : }
2503 :
2504 35 : reply_smb1_outbuf(req, 1, 0);
2505 35 : SSVAL(req->outbuf,smb_vwv0,fsp->fnum);
2506 :
2507 35 : if (oplock_request && lp_fake_oplocks(SNUM(conn))) {
2508 0 : SCVAL(req->outbuf,smb_flg,
2509 : CVAL(req->outbuf,smb_flg)|CORE_OPLOCK_GRANTED);
2510 : }
2511 :
2512 35 : if(EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type)) {
2513 0 : SCVAL(req->outbuf,smb_flg,
2514 : CVAL(req->outbuf,smb_flg)|CORE_OPLOCK_GRANTED);
2515 : }
2516 :
2517 35 : DEBUG(2, ("reply_mknew: file %s\n", smb_fname_str_dbg(smb_fname)));
2518 35 : DEBUG(3, ("reply_mknew %s fd=%d dmode=0x%x\n",
2519 : smb_fname_str_dbg(smb_fname), fsp_get_io_fd(fsp),
2520 : (unsigned int)fattr));
2521 :
2522 42 : out:
2523 42 : TALLOC_FREE(smb_fname);
2524 42 : END_PROFILE(SMBcreate);
2525 42 : return;
2526 : }
2527 :
2528 : /****************************************************************************
2529 : Reply to a create temporary file.
2530 : ****************************************************************************/
2531 :
2532 14 : void reply_ctemp(struct smb_request *req)
2533 : {
2534 14 : connection_struct *conn = req->conn;
2535 14 : struct smb_filename *smb_fname = NULL;
2536 14 : char *wire_name = NULL;
2537 14 : char *fname = NULL;
2538 2 : uint32_t fattr;
2539 14 : struct files_struct *dirfsp = NULL;
2540 2 : files_struct *fsp;
2541 2 : int oplock_request;
2542 2 : char *s;
2543 2 : NTSTATUS status;
2544 2 : int i;
2545 2 : uint32_t ucf_flags;
2546 14 : NTTIME twrp = 0;
2547 14 : TALLOC_CTX *ctx = talloc_tos();
2548 :
2549 14 : START_PROFILE(SMBctemp);
2550 :
2551 14 : if (req->wct < 3) {
2552 0 : reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2553 0 : goto out;
2554 : }
2555 :
2556 14 : fattr = SVAL(req->vwv+0, 0);
2557 14 : oplock_request = CORE_OPLOCK_REQUEST(req->inbuf);
2558 :
2559 14 : srvstr_get_path_req(ctx, req, &wire_name, (const char *)req->buf+1,
2560 : STR_TERMINATE, &status);
2561 14 : if (!NT_STATUS_IS_OK(status)) {
2562 0 : reply_nterror(req, status);
2563 0 : goto out;
2564 : }
2565 :
2566 14 : for (i = 0; i < 10; i++) {
2567 14 : if (*wire_name) {
2568 5 : fname = talloc_asprintf(ctx,
2569 : "%s/TMP%s",
2570 : wire_name,
2571 : generate_random_str_list(ctx, 5, "0123456789"));
2572 : } else {
2573 9 : fname = talloc_asprintf(ctx,
2574 : "TMP%s",
2575 : generate_random_str_list(ctx, 5, "0123456789"));
2576 : }
2577 :
2578 14 : if (!fname) {
2579 0 : reply_nterror(req, NT_STATUS_NO_MEMORY);
2580 0 : goto out;
2581 : }
2582 :
2583 14 : ucf_flags = filename_create_ucf_flags(req, FILE_CREATE);
2584 14 : if (ucf_flags & UCF_GMT_PATHNAME) {
2585 0 : extract_snapshot_token(fname, &twrp);
2586 : }
2587 14 : status = smb1_strip_dfs_path(ctx, &ucf_flags, &fname);
2588 14 : if (!NT_STATUS_IS_OK(status)) {
2589 0 : reply_nterror(req, status);
2590 0 : goto out;
2591 : }
2592 :
2593 14 : status = filename_convert_dirfsp(ctx,
2594 : conn,
2595 : fname,
2596 : ucf_flags,
2597 : twrp,
2598 : &dirfsp,
2599 : &smb_fname);
2600 14 : if (!NT_STATUS_IS_OK(status)) {
2601 0 : if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
2602 0 : reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
2603 : ERRSRV, ERRbadpath);
2604 0 : goto out;
2605 : }
2606 0 : reply_nterror(req, status);
2607 0 : goto out;
2608 : }
2609 :
2610 : /* Create the file. */
2611 14 : status = SMB_VFS_CREATE_FILE(
2612 : conn, /* conn */
2613 : req, /* req */
2614 : dirfsp, /* dirfsp */
2615 : smb_fname, /* fname */
2616 : FILE_GENERIC_READ | FILE_GENERIC_WRITE, /* access_mask */
2617 : FILE_SHARE_READ | FILE_SHARE_WRITE, /* share_access */
2618 : FILE_CREATE, /* create_disposition*/
2619 : 0, /* create_options */
2620 : fattr, /* file_attributes */
2621 : oplock_request, /* oplock_request */
2622 : NULL, /* lease */
2623 : 0, /* allocation_size */
2624 : 0, /* private_flags */
2625 : NULL, /* sd */
2626 : NULL, /* ea_list */
2627 : &fsp, /* result */
2628 : NULL, /* pinfo */
2629 : NULL, NULL); /* create context */
2630 :
2631 14 : if (NT_STATUS_EQUAL(status, NT_STATUS_OBJECT_NAME_COLLISION)) {
2632 0 : TALLOC_FREE(fname);
2633 0 : TALLOC_FREE(dirfsp);
2634 0 : TALLOC_FREE(smb_fname);
2635 0 : continue;
2636 : }
2637 :
2638 14 : if (!NT_STATUS_IS_OK(status)) {
2639 0 : if (open_was_deferred(req->xconn, req->mid)) {
2640 : /* We have re-scheduled this call. */
2641 0 : goto out;
2642 : }
2643 0 : if (NT_STATUS_EQUAL(
2644 : status, NT_STATUS_SHARING_VIOLATION)) {
2645 0 : bool ok = defer_smb1_sharing_violation(req);
2646 0 : if (ok) {
2647 0 : goto out;
2648 : }
2649 : }
2650 0 : reply_openerror(req, status);
2651 0 : goto out;
2652 : }
2653 :
2654 12 : break;
2655 : }
2656 :
2657 14 : if (i == 10) {
2658 : /* Collision after 10 times... */
2659 0 : reply_nterror(req, status);
2660 0 : goto out;
2661 : }
2662 :
2663 14 : reply_smb1_outbuf(req, 1, 0);
2664 14 : SSVAL(req->outbuf,smb_vwv0,fsp->fnum);
2665 :
2666 : /* the returned filename is relative to the directory */
2667 14 : s = strrchr_m(fsp->fsp_name->base_name, '/');
2668 14 : if (!s) {
2669 9 : s = fsp->fsp_name->base_name;
2670 : } else {
2671 5 : s++;
2672 : }
2673 :
2674 : #if 0
2675 : /* Tested vs W2K3 - this doesn't seem to be here - null terminated filename is the only
2676 : thing in the byte section. JRA */
2677 : SSVALS(p, 0, -1); /* what is this? not in spec */
2678 : #endif
2679 14 : if (message_push_string(&req->outbuf, s, STR_ASCII|STR_TERMINATE)
2680 : == -1) {
2681 0 : reply_nterror(req, NT_STATUS_NO_MEMORY);
2682 0 : goto out;
2683 : }
2684 :
2685 14 : if (oplock_request && lp_fake_oplocks(SNUM(conn))) {
2686 0 : SCVAL(req->outbuf, smb_flg,
2687 : CVAL(req->outbuf,smb_flg)|CORE_OPLOCK_GRANTED);
2688 : }
2689 :
2690 14 : if (EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type)) {
2691 0 : SCVAL(req->outbuf, smb_flg,
2692 : CVAL(req->outbuf,smb_flg)|CORE_OPLOCK_GRANTED);
2693 : }
2694 :
2695 14 : DEBUG(2, ("reply_ctemp: created temp file %s\n", fsp_str_dbg(fsp)));
2696 14 : DEBUG(3, ("reply_ctemp %s fd=%d umode=0%o\n", fsp_str_dbg(fsp),
2697 : fsp_get_io_fd(fsp), (unsigned int)smb_fname->st.st_ex_mode));
2698 14 : out:
2699 14 : TALLOC_FREE(smb_fname);
2700 14 : TALLOC_FREE(wire_name);
2701 14 : END_PROFILE(SMBctemp);
2702 14 : return;
2703 : }
2704 :
2705 : /****************************************************************************
2706 : Reply to a unlink
2707 : ****************************************************************************/
2708 :
2709 31532 : void reply_unlink(struct smb_request *req)
2710 : {
2711 31532 : connection_struct *conn = req->conn;
2712 31532 : char *name = NULL;
2713 31532 : struct files_struct *dirfsp = NULL;
2714 31532 : struct smb_filename *smb_fname = NULL;
2715 418 : uint32_t dirtype;
2716 418 : NTSTATUS status;
2717 31532 : uint32_t ucf_flags = ucf_flags_from_smb_request(req);
2718 31532 : NTTIME twrp = 0;
2719 31532 : TALLOC_CTX *ctx = talloc_tos();
2720 :
2721 31532 : START_PROFILE(SMBunlink);
2722 :
2723 31532 : if (req->wct < 1) {
2724 0 : reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2725 0 : goto out;
2726 : }
2727 :
2728 31532 : dirtype = SVAL(req->vwv+0, 0);
2729 :
2730 31532 : srvstr_get_path_req(ctx, req, &name, (const char *)req->buf + 1,
2731 : STR_TERMINATE, &status);
2732 31532 : if (!NT_STATUS_IS_OK(status)) {
2733 167 : reply_nterror(req, status);
2734 167 : goto out;
2735 : }
2736 :
2737 31365 : if (ucf_flags & UCF_GMT_PATHNAME) {
2738 0 : extract_snapshot_token(name, &twrp);
2739 : }
2740 31365 : status = smb1_strip_dfs_path(ctx, &ucf_flags, &name);
2741 31365 : if (!NT_STATUS_IS_OK(status)) {
2742 0 : reply_nterror(req, status);
2743 0 : goto out;
2744 : }
2745 31365 : status = filename_convert_dirfsp(ctx,
2746 : conn,
2747 : name,
2748 : ucf_flags | UCF_LCOMP_LNK_OK,
2749 : twrp,
2750 : &dirfsp,
2751 : &smb_fname);
2752 31365 : if (!NT_STATUS_IS_OK(status)) {
2753 4434 : if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
2754 0 : reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
2755 : ERRSRV, ERRbadpath);
2756 0 : goto out;
2757 : }
2758 4434 : reply_nterror(req, status);
2759 4434 : goto out;
2760 : }
2761 :
2762 26931 : DEBUG(3,("reply_unlink : %s\n", smb_fname_str_dbg(smb_fname)));
2763 :
2764 26931 : status = unlink_internals(conn, req, dirtype, dirfsp, smb_fname);
2765 26931 : if (!NT_STATUS_IS_OK(status)) {
2766 3716 : if (open_was_deferred(req->xconn, req->mid)) {
2767 : /* We have re-scheduled this call. */
2768 14 : goto out;
2769 : }
2770 3702 : if (NT_STATUS_EQUAL(status, NT_STATUS_SHARING_VIOLATION)) {
2771 182 : bool ok = defer_smb1_sharing_violation(req);
2772 182 : if (ok) {
2773 89 : goto out;
2774 : }
2775 : }
2776 3613 : reply_nterror(req, status);
2777 3613 : goto out;
2778 : }
2779 :
2780 23215 : reply_smb1_outbuf(req, 0, 0);
2781 31532 : out:
2782 31532 : TALLOC_FREE(smb_fname);
2783 31532 : END_PROFILE(SMBunlink);
2784 31532 : return;
2785 : }
2786 :
2787 : /****************************************************************************
2788 : Fail for readbraw.
2789 : ****************************************************************************/
2790 :
2791 0 : static void fail_readraw(void)
2792 : {
2793 0 : const char *errstr = talloc_asprintf(talloc_tos(),
2794 : "FAIL ! reply_readbraw: socket write fail (%s)",
2795 0 : strerror(errno));
2796 0 : if (!errstr) {
2797 0 : errstr = "";
2798 : }
2799 0 : exit_server_cleanly(errstr);
2800 : }
2801 :
2802 : /****************************************************************************
2803 : Return a readbraw error (4 bytes of zero).
2804 : ****************************************************************************/
2805 :
2806 16 : static void reply_readbraw_error(struct smbXsrv_connection *xconn)
2807 : {
2808 0 : char header[4];
2809 :
2810 16 : SIVAL(header,0,0);
2811 :
2812 16 : smbd_lock_socket(xconn);
2813 16 : if (write_data(xconn->transport.sock,header,4) != 4) {
2814 0 : int saved_errno = errno;
2815 : /*
2816 : * Try and give an error message saying what
2817 : * client failed.
2818 : */
2819 0 : DEBUG(0, ("write_data failed for client %s. "
2820 : "Error %s\n",
2821 : smbXsrv_connection_dbg(xconn),
2822 : strerror(saved_errno)));
2823 0 : errno = saved_errno;
2824 :
2825 0 : fail_readraw();
2826 : }
2827 16 : smbd_unlock_socket(xconn);
2828 16 : }
2829 :
2830 : /*******************************************************************
2831 : Ensure we don't use sendfile if server smb signing is active.
2832 : ********************************************************************/
2833 :
2834 47 : static bool lp_use_sendfile(struct smbXsrv_connection *xconn,
2835 : int snum,
2836 : struct smb1_signing_state *signing_state)
2837 : {
2838 47 : bool sign_active = false;
2839 :
2840 : /* Using sendfile blows the brains out of any DOS or Win9x TCP stack... JRA. */
2841 47 : if (xconn->protocol < PROTOCOL_NT1) {
2842 0 : return false;
2843 : }
2844 47 : if (signing_state) {
2845 47 : sign_active = smb1_signing_is_active(signing_state);
2846 : }
2847 47 : return (lp__use_sendfile(snum) &&
2848 47 : (get_remote_arch() != RA_WIN95) &&
2849 0 : !sign_active);
2850 : }
2851 : /****************************************************************************
2852 : Use sendfile in readbraw.
2853 : ****************************************************************************/
2854 :
2855 32 : static void send_file_readbraw(connection_struct *conn,
2856 : struct smb_request *req,
2857 : files_struct *fsp,
2858 : off_t startpos,
2859 : size_t nread,
2860 : ssize_t mincount)
2861 : {
2862 32 : struct smbXsrv_connection *xconn = req->xconn;
2863 32 : char *outbuf = NULL;
2864 32 : ssize_t ret=0;
2865 :
2866 : /*
2867 : * We can only use sendfile on a non-chained packet
2868 : * but we can use on a non-oplocked file. tridge proved this
2869 : * on a train in Germany :-). JRA.
2870 : * reply_readbraw has already checked the length.
2871 : */
2872 :
2873 32 : if ( !req_is_in_chain(req) &&
2874 20 : (nread > 0) &&
2875 40 : !fsp_is_alternate_stream(fsp) &&
2876 20 : lp_use_sendfile(xconn, SNUM(conn), xconn->smb1.signing_state) ) {
2877 0 : ssize_t sendfile_read = -1;
2878 0 : char header[4];
2879 0 : DATA_BLOB header_blob;
2880 :
2881 0 : _smb_setlen(header,nread);
2882 0 : header_blob = data_blob_const(header, 4);
2883 :
2884 0 : sendfile_read = SMB_VFS_SENDFILE(xconn->transport.sock, fsp,
2885 : &header_blob, startpos,
2886 : nread);
2887 0 : if (sendfile_read == -1) {
2888 : /* Returning ENOSYS means no data at all was sent.
2889 : * Do this as a normal read. */
2890 0 : if (errno == ENOSYS) {
2891 0 : goto normal_readbraw;
2892 : }
2893 :
2894 : /*
2895 : * Special hack for broken Linux with no working sendfile. If we
2896 : * return EINTR we sent the header but not the rest of the data.
2897 : * Fake this up by doing read/write calls.
2898 : */
2899 0 : if (errno == EINTR) {
2900 : /* Ensure we don't do this again. */
2901 0 : set_use_sendfile(SNUM(conn), False);
2902 0 : DEBUG(0,("send_file_readbraw: sendfile not available. Faking..\n"));
2903 :
2904 0 : if (fake_sendfile(xconn, fsp, startpos, nread) == -1) {
2905 0 : DEBUG(0,("send_file_readbraw: "
2906 : "fake_sendfile failed for "
2907 : "file %s (%s).\n",
2908 : fsp_str_dbg(fsp),
2909 : strerror(errno)));
2910 0 : exit_server_cleanly("send_file_readbraw fake_sendfile failed");
2911 : }
2912 0 : return;
2913 : }
2914 :
2915 0 : DEBUG(0,("send_file_readbraw: sendfile failed for "
2916 : "file %s (%s). Terminating\n",
2917 : fsp_str_dbg(fsp), strerror(errno)));
2918 0 : exit_server_cleanly("send_file_readbraw sendfile failed");
2919 0 : } else if (sendfile_read == 0) {
2920 : /*
2921 : * Some sendfile implementations return 0 to indicate
2922 : * that there was a short read, but nothing was
2923 : * actually written to the socket. In this case,
2924 : * fallback to the normal read path so the header gets
2925 : * the correct byte count.
2926 : */
2927 0 : DEBUG(3, ("send_file_readbraw: sendfile sent zero "
2928 : "bytes falling back to the normal read: "
2929 : "%s\n", fsp_str_dbg(fsp)));
2930 0 : goto normal_readbraw;
2931 : }
2932 :
2933 : /* Deal with possible short send. */
2934 0 : if (sendfile_read != 4+nread) {
2935 0 : ret = sendfile_short_send(xconn, fsp,
2936 : sendfile_read, 4, nread);
2937 0 : if (ret == -1) {
2938 0 : fail_readraw();
2939 : }
2940 : }
2941 0 : return;
2942 : }
2943 :
2944 32 : normal_readbraw:
2945 :
2946 32 : outbuf = talloc_array(NULL, char, nread+4);
2947 32 : if (!outbuf) {
2948 0 : DEBUG(0,("send_file_readbraw: talloc_array failed for size %u.\n",
2949 : (unsigned)(nread+4)));
2950 0 : reply_readbraw_error(xconn);
2951 0 : return;
2952 : }
2953 :
2954 32 : if (nread > 0) {
2955 20 : ret = read_file(fsp,outbuf+4,startpos,nread);
2956 : #if 0 /* mincount appears to be ignored in a W2K server. JRA. */
2957 : if (ret < mincount)
2958 : ret = 0;
2959 : #else
2960 20 : if (ret < nread)
2961 0 : ret = 0;
2962 : #endif
2963 : }
2964 :
2965 32 : _smb_setlen(outbuf,ret);
2966 32 : if (write_data(xconn->transport.sock, outbuf, 4+ret) != 4+ret) {
2967 0 : int saved_errno = errno;
2968 : /*
2969 : * Try and give an error message saying what
2970 : * client failed.
2971 : */
2972 0 : DEBUG(0, ("write_data failed for client %s. Error %s\n",
2973 : smbXsrv_connection_dbg(xconn),
2974 : strerror(saved_errno)));
2975 0 : errno = saved_errno;
2976 :
2977 0 : fail_readraw();
2978 : }
2979 :
2980 32 : TALLOC_FREE(outbuf);
2981 : }
2982 :
2983 : /****************************************************************************
2984 : Reply to a readbraw (core+ protocol).
2985 : ****************************************************************************/
2986 :
2987 48 : void reply_readbraw(struct smb_request *req)
2988 : {
2989 48 : connection_struct *conn = req->conn;
2990 48 : struct smbXsrv_connection *xconn = req->xconn;
2991 0 : ssize_t maxcount,mincount;
2992 48 : size_t nread = 0;
2993 0 : off_t startpos;
2994 0 : files_struct *fsp;
2995 0 : struct lock_struct lock;
2996 48 : off_t size = 0;
2997 0 : NTSTATUS status;
2998 :
2999 48 : START_PROFILE(SMBreadbraw);
3000 :
3001 48 : if (smb1_srv_is_signing_active(xconn) || req->encrypted) {
3002 0 : exit_server_cleanly("reply_readbraw: SMB signing/sealing is active - "
3003 : "raw reads/writes are disallowed.");
3004 : }
3005 :
3006 48 : if (req->wct < 8) {
3007 0 : reply_readbraw_error(xconn);
3008 0 : END_PROFILE(SMBreadbraw);
3009 0 : return;
3010 : }
3011 :
3012 48 : if (xconn->smb1.echo_handler.trusted_fde) {
3013 0 : DEBUG(2,("SMBreadbraw rejected with NOT_SUPPORTED because of "
3014 : "'async smb echo handler = yes'\n"));
3015 0 : reply_readbraw_error(xconn);
3016 0 : END_PROFILE(SMBreadbraw);
3017 0 : return;
3018 : }
3019 :
3020 : /*
3021 : * Special check if an oplock break has been issued
3022 : * and the readraw request croses on the wire, we must
3023 : * return a zero length response here.
3024 : */
3025 :
3026 48 : fsp = file_fsp(req, SVAL(req->vwv+0, 0));
3027 :
3028 : /*
3029 : * We have to do a check_fsp by hand here, as
3030 : * we must always return 4 zero bytes on error,
3031 : * not a NTSTATUS.
3032 : */
3033 :
3034 48 : if (fsp == NULL ||
3035 44 : conn == NULL ||
3036 44 : conn != fsp->conn ||
3037 44 : req->vuid != fsp->vuid ||
3038 44 : fsp->fsp_flags.is_directory ||
3039 44 : fsp_get_io_fd(fsp) == -1)
3040 : {
3041 : /*
3042 : * fsp could be NULL here so use the value from the packet. JRA.
3043 : */
3044 4 : DEBUG(3,("reply_readbraw: fnum %d not valid "
3045 : "- cache prime?\n",
3046 : (int)SVAL(req->vwv+0, 0)));
3047 4 : reply_readbraw_error(xconn);
3048 4 : END_PROFILE(SMBreadbraw);
3049 4 : return;
3050 : }
3051 :
3052 : /* Do a "by hand" version of CHECK_READ. */
3053 44 : if (!(fsp->fsp_flags.can_read ||
3054 0 : ((req->flags2 & FLAGS2_READ_PERMIT_EXECUTE) &&
3055 0 : (fsp->access_mask & FILE_EXECUTE)))) {
3056 0 : DEBUG(3,("reply_readbraw: fnum %d not readable.\n",
3057 : (int)SVAL(req->vwv+0, 0)));
3058 0 : reply_readbraw_error(xconn);
3059 0 : END_PROFILE(SMBreadbraw);
3060 0 : return;
3061 : }
3062 :
3063 44 : startpos = IVAL_TO_SMB_OFF_T(req->vwv+1, 0);
3064 44 : if(req->wct == 10) {
3065 : /*
3066 : * This is a large offset (64 bit) read.
3067 : */
3068 :
3069 44 : startpos |= (((off_t)IVAL(req->vwv+8, 0)) << 32);
3070 :
3071 44 : if(startpos < 0) {
3072 4 : DEBUG(0,("reply_readbraw: negative 64 bit "
3073 : "readraw offset (%.0f) !\n",
3074 : (double)startpos ));
3075 4 : reply_readbraw_error(xconn);
3076 4 : END_PROFILE(SMBreadbraw);
3077 4 : return;
3078 : }
3079 : }
3080 :
3081 40 : maxcount = (SVAL(req->vwv+3, 0) & 0xFFFF);
3082 40 : mincount = (SVAL(req->vwv+4, 0) & 0xFFFF);
3083 :
3084 : /* ensure we don't overrun the packet size */
3085 40 : maxcount = MIN(65535,maxcount);
3086 :
3087 40 : init_strict_lock_struct(fsp,
3088 40 : (uint64_t)req->smbpid,
3089 : (uint64_t)startpos,
3090 : (uint64_t)maxcount,
3091 : READ_LOCK,
3092 : lp_posix_cifsu_locktype(fsp),
3093 : &lock);
3094 :
3095 40 : if (!SMB_VFS_STRICT_LOCK_CHECK(conn, fsp, &lock)) {
3096 8 : reply_readbraw_error(xconn);
3097 8 : END_PROFILE(SMBreadbraw);
3098 8 : return;
3099 : }
3100 :
3101 32 : status = vfs_stat_fsp(fsp);
3102 32 : if (NT_STATUS_IS_OK(status)) {
3103 32 : size = fsp->fsp_name->st.st_ex_size;
3104 : }
3105 :
3106 32 : if (startpos >= size) {
3107 12 : nread = 0;
3108 : } else {
3109 20 : nread = MIN(maxcount,(size - startpos));
3110 : }
3111 :
3112 : #if 0 /* mincount appears to be ignored in a W2K server. JRA. */
3113 : if (nread < mincount)
3114 : nread = 0;
3115 : #endif
3116 :
3117 32 : DEBUG( 3, ( "reply_readbraw: %s start=%.0f max=%lu "
3118 : "min=%lu nread=%lu\n",
3119 : fsp_fnum_dbg(fsp), (double)startpos,
3120 : (unsigned long)maxcount,
3121 : (unsigned long)mincount,
3122 : (unsigned long)nread ) );
3123 :
3124 32 : send_file_readbraw(conn, req, fsp, startpos, nread, mincount);
3125 :
3126 32 : DEBUG(5,("reply_readbraw finished\n"));
3127 :
3128 32 : END_PROFILE(SMBreadbraw);
3129 32 : return;
3130 : }
3131 :
3132 : #undef DBGC_CLASS
3133 : #define DBGC_CLASS DBGC_LOCKING
3134 :
3135 : /****************************************************************************
3136 : Reply to a lockread (core+ protocol).
3137 : ****************************************************************************/
3138 :
3139 : static void reply_lockread_locked(struct tevent_req *subreq);
3140 :
3141 91 : void reply_lockread(struct smb_request *req)
3142 : {
3143 91 : struct tevent_req *subreq = NULL;
3144 91 : connection_struct *conn = req->conn;
3145 13 : files_struct *fsp;
3146 91 : struct smbd_lock_element *lck = NULL;
3147 :
3148 91 : START_PROFILE(SMBlockread);
3149 :
3150 91 : if (req->wct < 5) {
3151 0 : reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3152 0 : END_PROFILE(SMBlockread);
3153 0 : return;
3154 : }
3155 :
3156 91 : fsp = file_fsp(req, SVAL(req->vwv+0, 0));
3157 :
3158 91 : if (!check_fsp(conn, req, fsp)) {
3159 7 : END_PROFILE(SMBlockread);
3160 7 : return;
3161 : }
3162 :
3163 84 : if (!CHECK_READ(fsp,req)) {
3164 0 : reply_nterror(req, NT_STATUS_ACCESS_DENIED);
3165 0 : END_PROFILE(SMBlockread);
3166 0 : return;
3167 : }
3168 :
3169 84 : lck = talloc(req, struct smbd_lock_element);
3170 84 : if (lck == NULL) {
3171 0 : reply_nterror(req, NT_STATUS_NO_MEMORY);
3172 0 : END_PROFILE(SMBlockread);
3173 0 : return;
3174 : }
3175 :
3176 : /*
3177 : * NB. Discovered by Menny Hamburger at Mainsoft. This is a core+
3178 : * protocol request that predates the read/write lock concept.
3179 : * Thus instead of asking for a read lock here we need to ask
3180 : * for a write lock. JRA.
3181 : * Note that the requested lock size is unaffected by max_send.
3182 : */
3183 :
3184 96 : *lck = (struct smbd_lock_element) {
3185 84 : .req_guid = smbd_request_guid(req, 0),
3186 84 : .smblctx = req->smbpid,
3187 : .brltype = WRITE_LOCK,
3188 : .lock_flav = WINDOWS_LOCK,
3189 84 : .count = SVAL(req->vwv+1, 0),
3190 84 : .offset = IVAL_TO_SMB_OFF_T(req->vwv+2, 0),
3191 : };
3192 :
3193 96 : subreq = smbd_smb1_do_locks_send(
3194 : fsp,
3195 84 : req->sconn->ev_ctx,
3196 : &req,
3197 : fsp,
3198 : 0,
3199 : false, /* large_offset */
3200 : 1,
3201 : lck);
3202 84 : if (subreq == NULL) {
3203 0 : reply_nterror(req, NT_STATUS_NO_MEMORY);
3204 0 : END_PROFILE(SMBlockread);
3205 0 : return;
3206 : }
3207 84 : tevent_req_set_callback(subreq, reply_lockread_locked, NULL);
3208 84 : END_PROFILE(SMBlockread);
3209 : }
3210 :
3211 84 : static void reply_lockread_locked(struct tevent_req *subreq)
3212 : {
3213 84 : struct smb_request *req = NULL;
3214 84 : ssize_t nread = -1;
3215 84 : char *data = NULL;
3216 12 : NTSTATUS status;
3217 12 : bool ok;
3218 12 : off_t startpos;
3219 12 : size_t numtoread, maxtoread;
3220 84 : struct files_struct *fsp = NULL;
3221 84 : char *p = NULL;
3222 :
3223 84 : START_PROFILE(SMBlockread);
3224 :
3225 84 : ok = smbd_smb1_do_locks_extract_smbreq(subreq, talloc_tos(), &req);
3226 84 : SMB_ASSERT(ok);
3227 :
3228 84 : status = smbd_smb1_do_locks_recv(subreq);
3229 84 : TALLOC_FREE(subreq);
3230 :
3231 84 : if (!NT_STATUS_IS_OK(status)) {
3232 42 : reply_nterror(req, status);
3233 42 : goto send;
3234 : }
3235 :
3236 42 : fsp = file_fsp(req, SVAL(req->vwv+0, 0));
3237 42 : if (fsp == NULL) {
3238 0 : reply_nterror(req, NT_STATUS_INTERNAL_ERROR);
3239 0 : goto send;
3240 : }
3241 :
3242 42 : numtoread = SVAL(req->vwv+1, 0);
3243 42 : startpos = IVAL_TO_SMB_OFF_T(req->vwv+2, 0);
3244 :
3245 : /*
3246 : * However the requested READ size IS affected by max_send. Insanity.... JRA.
3247 : */
3248 42 : maxtoread = req->xconn->smb1.sessions.max_send - (MIN_SMB_SIZE + 5*2 + 3);
3249 :
3250 42 : if (numtoread > maxtoread) {
3251 7 : DBG_WARNING("requested read size (%zu) is greater than "
3252 : "maximum allowed (%zu/%d). "
3253 : "Returning short read of maximum allowed for "
3254 : "compatibility with Windows 2000.\n",
3255 : numtoread,
3256 : maxtoread,
3257 : req->xconn->smb1.sessions.max_send);
3258 6 : numtoread = maxtoread;
3259 : }
3260 :
3261 42 : reply_smb1_outbuf(req, 5, numtoread + 3);
3262 :
3263 42 : data = smb_buf(req->outbuf) + 3;
3264 :
3265 42 : nread = read_file(fsp,data,startpos,numtoread);
3266 :
3267 42 : if (nread < 0) {
3268 0 : reply_nterror(req, map_nt_error_from_unix(errno));
3269 0 : goto send;
3270 : }
3271 :
3272 42 : srv_smb1_set_message((char *)req->outbuf, 5, nread+3, False);
3273 :
3274 42 : SSVAL(req->outbuf,smb_vwv0,nread);
3275 42 : SSVAL(req->outbuf,smb_vwv5,nread+3);
3276 42 : p = smb_buf(req->outbuf);
3277 42 : SCVAL(p,0,0); /* pad byte. */
3278 42 : SSVAL(p,1,nread);
3279 :
3280 42 : DEBUG(3,("lockread %s num=%d nread=%d\n",
3281 : fsp_fnum_dbg(fsp), (int)numtoread, (int)nread));
3282 :
3283 84 : send:
3284 108 : ok = smb1_srv_send(req->xconn,
3285 84 : (char *)req->outbuf,
3286 : true,
3287 84 : req->seqnum + 1,
3288 84 : IS_CONN_ENCRYPTED(req->conn));
3289 84 : if (!ok) {
3290 0 : exit_server_cleanly("reply_lock_done: smb1_srv_send failed.");
3291 : }
3292 84 : TALLOC_FREE(req);
3293 84 : END_PROFILE(SMBlockread);
3294 84 : return;
3295 : }
3296 :
3297 : #undef DBGC_CLASS
3298 : #define DBGC_CLASS DBGC_ALL
3299 :
3300 : /****************************************************************************
3301 : Reply to a read.
3302 : ****************************************************************************/
3303 :
3304 56 : void reply_read(struct smb_request *req)
3305 : {
3306 56 : connection_struct *conn = req->conn;
3307 8 : size_t numtoread;
3308 8 : size_t maxtoread;
3309 56 : ssize_t nread = 0;
3310 8 : char *data;
3311 8 : off_t startpos;
3312 8 : files_struct *fsp;
3313 8 : struct lock_struct lock;
3314 56 : struct smbXsrv_connection *xconn = req->xconn;
3315 :
3316 56 : START_PROFILE(SMBread);
3317 :
3318 56 : if (req->wct < 3) {
3319 0 : reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3320 0 : END_PROFILE(SMBread);
3321 0 : return;
3322 : }
3323 :
3324 56 : fsp = file_fsp(req, SVAL(req->vwv+0, 0));
3325 :
3326 56 : if (!check_fsp(conn, req, fsp)) {
3327 7 : END_PROFILE(SMBread);
3328 7 : return;
3329 : }
3330 :
3331 49 : if (!CHECK_READ(fsp,req)) {
3332 0 : reply_nterror(req, NT_STATUS_ACCESS_DENIED);
3333 0 : END_PROFILE(SMBread);
3334 0 : return;
3335 : }
3336 :
3337 49 : numtoread = SVAL(req->vwv+1, 0);
3338 49 : startpos = IVAL_TO_SMB_OFF_T(req->vwv+2, 0);
3339 :
3340 : /*
3341 : * The requested read size cannot be greater than max_send. JRA.
3342 : */
3343 49 : maxtoread = xconn->smb1.sessions.max_send - (MIN_SMB_SIZE + 5*2 + 3);
3344 :
3345 49 : if (numtoread > maxtoread) {
3346 14 : DEBUG(0,("reply_read: requested read size (%u) is greater than maximum allowed (%u/%u). \
3347 : Returning short read of maximum allowed for compatibility with Windows 2000.\n",
3348 : (unsigned int)numtoread, (unsigned int)maxtoread,
3349 : (unsigned int)xconn->smb1.sessions.max_send));
3350 12 : numtoread = maxtoread;
3351 : }
3352 :
3353 49 : reply_smb1_outbuf(req, 5, numtoread+3);
3354 :
3355 49 : data = smb_buf(req->outbuf) + 3;
3356 :
3357 49 : init_strict_lock_struct(fsp,
3358 49 : (uint64_t)req->smbpid,
3359 : (uint64_t)startpos,
3360 : (uint64_t)numtoread,
3361 : READ_LOCK,
3362 : lp_posix_cifsu_locktype(fsp),
3363 : &lock);
3364 :
3365 49 : if (!SMB_VFS_STRICT_LOCK_CHECK(conn, fsp, &lock)) {
3366 7 : reply_nterror(req, NT_STATUS_FILE_LOCK_CONFLICT);
3367 7 : END_PROFILE(SMBread);
3368 7 : return;
3369 : }
3370 :
3371 42 : if (numtoread > 0)
3372 35 : nread = read_file(fsp,data,startpos,numtoread);
3373 :
3374 41 : if (nread < 0) {
3375 0 : reply_nterror(req, map_nt_error_from_unix(errno));
3376 0 : goto out;
3377 : }
3378 :
3379 42 : srv_smb1_set_message((char *)req->outbuf, 5, nread+3, False);
3380 :
3381 42 : SSVAL(req->outbuf,smb_vwv0,nread);
3382 42 : SSVAL(req->outbuf,smb_vwv5,nread+3);
3383 42 : SCVAL(smb_buf(req->outbuf),0,1);
3384 42 : SSVAL(smb_buf(req->outbuf),1,nread);
3385 :
3386 42 : DEBUG(3, ("read %s num=%d nread=%d\n",
3387 : fsp_fnum_dbg(fsp), (int)numtoread, (int)nread));
3388 :
3389 42 : out:
3390 42 : END_PROFILE(SMBread);
3391 36 : return;
3392 : }
3393 :
3394 : /****************************************************************************
3395 : Setup readX header.
3396 : ****************************************************************************/
3397 :
3398 9481 : size_t setup_readX_header(char *outbuf, size_t smb_maxcnt)
3399 : {
3400 45 : size_t outsize;
3401 :
3402 9481 : outsize = srv_smb1_set_message(outbuf,12,smb_maxcnt + 1 /* padding byte */,
3403 : False);
3404 :
3405 9481 : memset(outbuf+smb_vwv0,'\0',24); /* valgrind init. */
3406 :
3407 9481 : SCVAL(outbuf,smb_vwv0,0xFF);
3408 9481 : SSVAL(outbuf,smb_vwv2,0xFFFF); /* Remaining - must be -1. */
3409 9481 : SSVAL(outbuf,smb_vwv5,smb_maxcnt);
3410 9481 : SSVAL(outbuf,smb_vwv6,
3411 : (smb_wct - 4) /* offset from smb header to wct */
3412 : + 1 /* the wct field */
3413 : + 12 * sizeof(uint16_t) /* vwv */
3414 : + 2 /* the buflen field */
3415 : + 1); /* padding byte */
3416 9481 : SSVAL(outbuf,smb_vwv7,(smb_maxcnt >> 16));
3417 9481 : SCVAL(smb_buf(outbuf), 0, 0); /* padding byte */
3418 : /* Reset the outgoing length, set_message truncates at 0x1FFFF. */
3419 9481 : _smb_setlen_large(outbuf,
3420 : smb_size + 12*2 + smb_maxcnt - 4 + 1 /* pad */);
3421 9481 : return outsize;
3422 : }
3423 :
3424 : /****************************************************************************
3425 : Reply to a read and X - possibly using sendfile.
3426 : ****************************************************************************/
3427 :
3428 65 : static void send_file_readX(connection_struct *conn, struct smb_request *req,
3429 : files_struct *fsp, off_t startpos,
3430 : size_t smb_maxcnt)
3431 : {
3432 65 : struct smbXsrv_connection *xconn = req->xconn;
3433 65 : ssize_t nread = -1;
3434 3 : struct lock_struct lock;
3435 65 : int saved_errno = 0;
3436 3 : NTSTATUS status;
3437 :
3438 65 : init_strict_lock_struct(fsp,
3439 65 : (uint64_t)req->smbpid,
3440 : (uint64_t)startpos,
3441 : (uint64_t)smb_maxcnt,
3442 : READ_LOCK,
3443 : lp_posix_cifsu_locktype(fsp),
3444 : &lock);
3445 :
3446 65 : if (!SMB_VFS_STRICT_LOCK_CHECK(conn, fsp, &lock)) {
3447 0 : reply_nterror(req, NT_STATUS_FILE_LOCK_CONFLICT);
3448 0 : return;
3449 : }
3450 :
3451 : /*
3452 : * We can only use sendfile on a non-chained packet
3453 : * but we can use on a non-oplocked file. tridge proved this
3454 : * on a train in Germany :-). JRA.
3455 : */
3456 :
3457 65 : if (!req_is_in_chain(req) &&
3458 56 : !req->encrypted &&
3459 82 : !fsp_is_alternate_stream(fsp) &&
3460 27 : lp_use_sendfile(xconn, SNUM(conn), xconn->smb1.signing_state) ) {
3461 0 : uint8_t headerbuf[smb_size + 12 * 2 + 1 /* padding byte */];
3462 0 : DATA_BLOB header;
3463 :
3464 0 : status = vfs_stat_fsp(fsp);
3465 0 : if (!NT_STATUS_IS_OK(status)) {
3466 0 : reply_nterror(req, status);
3467 0 : goto out;
3468 : }
3469 :
3470 0 : if (!S_ISREG(fsp->fsp_name->st.st_ex_mode) ||
3471 0 : (startpos > fsp->fsp_name->st.st_ex_size) ||
3472 0 : (smb_maxcnt > (fsp->fsp_name->st.st_ex_size - startpos))) {
3473 : /*
3474 : * We already know that we would do a short read, so don't
3475 : * try the sendfile() path.
3476 : */
3477 0 : goto nosendfile_read;
3478 : }
3479 :
3480 : /*
3481 : * Set up the packet header before send. We
3482 : * assume here the sendfile will work (get the
3483 : * correct amount of data).
3484 : */
3485 :
3486 0 : header = data_blob_const(headerbuf, sizeof(headerbuf));
3487 :
3488 0 : construct_smb1_reply_common_req(req, (char *)headerbuf);
3489 0 : setup_readX_header((char *)headerbuf, smb_maxcnt);
3490 :
3491 0 : nread = SMB_VFS_SENDFILE(xconn->transport.sock, fsp, &header,
3492 : startpos, smb_maxcnt);
3493 0 : if (nread == -1) {
3494 0 : saved_errno = errno;
3495 :
3496 : /* Returning ENOSYS means no data at all was sent.
3497 : Do this as a normal read. */
3498 0 : if (errno == ENOSYS) {
3499 0 : goto normal_read;
3500 : }
3501 :
3502 : /*
3503 : * Special hack for broken Linux with no working sendfile. If we
3504 : * return EINTR we sent the header but not the rest of the data.
3505 : * Fake this up by doing read/write calls.
3506 : */
3507 :
3508 0 : if (errno == EINTR) {
3509 : /* Ensure we don't do this again. */
3510 0 : set_use_sendfile(SNUM(conn), False);
3511 0 : DEBUG(0,("send_file_readX: sendfile not available. Faking..\n"));
3512 0 : nread = fake_sendfile(xconn, fsp, startpos,
3513 : smb_maxcnt);
3514 0 : if (nread == -1) {
3515 0 : saved_errno = errno;
3516 0 : DEBUG(0,("send_file_readX: "
3517 : "fake_sendfile failed for "
3518 : "file %s (%s) for client %s. "
3519 : "Terminating\n",
3520 : fsp_str_dbg(fsp),
3521 : smbXsrv_connection_dbg(xconn),
3522 : strerror(saved_errno)));
3523 0 : errno = saved_errno;
3524 0 : exit_server_cleanly("send_file_readX: fake_sendfile failed");
3525 : }
3526 0 : DEBUG(3, ("send_file_readX: fake_sendfile %s max=%d nread=%d\n",
3527 : fsp_fnum_dbg(fsp), (int)smb_maxcnt, (int)nread));
3528 : /* No outbuf here means successful sendfile. */
3529 0 : goto out;
3530 : }
3531 :
3532 0 : DEBUG(0,("send_file_readX: sendfile failed for file "
3533 : "%s (%s). Terminating\n", fsp_str_dbg(fsp),
3534 : strerror(errno)));
3535 0 : exit_server_cleanly("send_file_readX sendfile failed");
3536 0 : } else if (nread == 0) {
3537 : /*
3538 : * Some sendfile implementations return 0 to indicate
3539 : * that there was a short read, but nothing was
3540 : * actually written to the socket. In this case,
3541 : * fallback to the normal read path so the header gets
3542 : * the correct byte count.
3543 : */
3544 0 : DEBUG(3, ("send_file_readX: sendfile sent zero bytes "
3545 : "falling back to the normal read: %s\n",
3546 : fsp_str_dbg(fsp)));
3547 0 : goto normal_read;
3548 : }
3549 :
3550 0 : DEBUG(3, ("send_file_readX: sendfile %s max=%d nread=%d\n",
3551 : fsp_fnum_dbg(fsp), (int)smb_maxcnt, (int)nread));
3552 :
3553 : /* Deal with possible short send. */
3554 0 : if (nread != smb_maxcnt + sizeof(headerbuf)) {
3555 0 : ssize_t ret;
3556 :
3557 0 : ret = sendfile_short_send(xconn, fsp, nread,
3558 : sizeof(headerbuf), smb_maxcnt);
3559 0 : if (ret == -1) {
3560 0 : const char *r;
3561 0 : r = "send_file_readX: sendfile_short_send failed";
3562 0 : DEBUG(0,("%s for file %s (%s).\n",
3563 : r, fsp_str_dbg(fsp), strerror(errno)));
3564 0 : exit_server_cleanly(r);
3565 : }
3566 : }
3567 : /* No outbuf here means successful sendfile. */
3568 0 : goto out;
3569 : }
3570 :
3571 65 : normal_read:
3572 :
3573 65 : if ((smb_maxcnt & 0xFF0000) > 0x10000) {
3574 0 : uint8_t headerbuf[smb_size + 2*12 + 1 /* padding byte */];
3575 0 : ssize_t ret;
3576 :
3577 12 : if (!S_ISREG(fsp->fsp_name->st.st_ex_mode) ||
3578 12 : (startpos > fsp->fsp_name->st.st_ex_size) ||
3579 12 : (smb_maxcnt > (fsp->fsp_name->st.st_ex_size - startpos))) {
3580 : /*
3581 : * We already know that we would do a short
3582 : * read, so don't try the sendfile() path.
3583 : */
3584 0 : goto nosendfile_read;
3585 : }
3586 :
3587 12 : construct_smb1_reply_common_req(req, (char *)headerbuf);
3588 12 : setup_readX_header((char *)headerbuf, smb_maxcnt);
3589 :
3590 : /* Send out the header. */
3591 12 : ret = write_data(xconn->transport.sock, (char *)headerbuf,
3592 : sizeof(headerbuf));
3593 12 : if (ret != sizeof(headerbuf)) {
3594 0 : saved_errno = errno;
3595 : /*
3596 : * Try and give an error message saying what
3597 : * client failed.
3598 : */
3599 0 : DEBUG(0,("send_file_readX: write_data failed for file "
3600 : "%s (%s) for client %s. Terminating\n",
3601 : fsp_str_dbg(fsp),
3602 : smbXsrv_connection_dbg(xconn),
3603 : strerror(saved_errno)));
3604 0 : errno = saved_errno;
3605 0 : exit_server_cleanly("send_file_readX sendfile failed");
3606 : }
3607 12 : nread = fake_sendfile(xconn, fsp, startpos, smb_maxcnt);
3608 12 : if (nread == -1) {
3609 0 : saved_errno = errno;
3610 0 : DEBUG(0,("send_file_readX: fake_sendfile failed for file "
3611 : "%s (%s) for client %s. Terminating\n",
3612 : fsp_str_dbg(fsp),
3613 : smbXsrv_connection_dbg(xconn),
3614 : strerror(saved_errno)));
3615 0 : errno = saved_errno;
3616 0 : exit_server_cleanly("send_file_readX: fake_sendfile failed");
3617 : }
3618 12 : goto out;
3619 : }
3620 :
3621 53 : nosendfile_read:
3622 :
3623 53 : reply_smb1_outbuf(req, 12, smb_maxcnt + 1 /* padding byte */);
3624 53 : SSVAL(req->outbuf, smb_vwv0, 0xff); /* andx chain ends */
3625 53 : SSVAL(req->outbuf, smb_vwv1, 0); /* no andx offset */
3626 :
3627 53 : nread = read_file(fsp, smb_buf(req->outbuf) + 1 /* padding byte */,
3628 : startpos, smb_maxcnt);
3629 53 : saved_errno = errno;
3630 :
3631 53 : if (nread < 0) {
3632 0 : reply_nterror(req, map_nt_error_from_unix(saved_errno));
3633 0 : return;
3634 : }
3635 :
3636 53 : setup_readX_header((char *)req->outbuf, nread);
3637 :
3638 53 : DEBUG(3, ("send_file_readX %s max=%d nread=%d\n",
3639 : fsp_fnum_dbg(fsp), (int)smb_maxcnt, (int)nread));
3640 50 : return;
3641 :
3642 12 : out:
3643 12 : TALLOC_FREE(req->outbuf);
3644 12 : return;
3645 : }
3646 :
3647 : /****************************************************************************
3648 : Work out how much space we have for a read return.
3649 : ****************************************************************************/
3650 :
3651 9502 : static size_t calc_max_read_pdu(const struct smb_request *req)
3652 : {
3653 9502 : struct smbXsrv_connection *xconn = req->xconn;
3654 :
3655 9502 : if (xconn->protocol < PROTOCOL_NT1) {
3656 0 : return xconn->smb1.sessions.max_send;
3657 : }
3658 :
3659 9502 : if (!lp_large_readwrite()) {
3660 0 : return xconn->smb1.sessions.max_send;
3661 : }
3662 :
3663 9502 : if (req_is_in_chain(req)) {
3664 10 : return xconn->smb1.sessions.max_send;
3665 : }
3666 :
3667 9492 : if (req->encrypted) {
3668 : /*
3669 : * Don't take encrypted traffic up to the
3670 : * limit. There are padding considerations
3671 : * that make that tricky.
3672 : */
3673 2901 : return xconn->smb1.sessions.max_send;
3674 : }
3675 :
3676 6591 : if (smb1_srv_is_signing_active(xconn)) {
3677 902 : return 0x1FFFF;
3678 : }
3679 :
3680 5645 : if (!lp_smb1_unix_extensions()) {
3681 0 : return 0x1FFFF;
3682 : }
3683 :
3684 : /*
3685 : * We can do ultra-large POSIX reads.
3686 : */
3687 5645 : return 0xFFFFFF;
3688 : }
3689 :
3690 : /****************************************************************************
3691 : Calculate how big a read can be. Copes with all clients. It's always
3692 : safe to return a short read - Windows does this.
3693 : ****************************************************************************/
3694 :
3695 9502 : static size_t calc_read_size(const struct smb_request *req,
3696 : size_t upper_size,
3697 : size_t lower_size)
3698 : {
3699 9502 : struct smbXsrv_connection *xconn = req->xconn;
3700 9502 : size_t max_pdu = calc_max_read_pdu(req);
3701 9502 : size_t total_size = 0;
3702 9502 : size_t hdr_len = MIN_SMB_SIZE + VWV(12);
3703 9502 : size_t max_len = max_pdu - hdr_len - 1 /* padding byte */;
3704 :
3705 : /*
3706 : * Windows explicitly ignores upper size of 0xFFFF.
3707 : * See [MS-SMB].pdf <26> Section 2.2.4.2.1:
3708 : * We must do the same as these will never fit even in
3709 : * an extended size NetBIOS packet.
3710 : */
3711 9502 : if (upper_size == 0xFFFF) {
3712 6 : upper_size = 0;
3713 : }
3714 :
3715 9502 : if (xconn->protocol < PROTOCOL_NT1) {
3716 0 : upper_size = 0;
3717 : }
3718 :
3719 9502 : total_size = ((upper_size<<16) | lower_size);
3720 :
3721 : /*
3722 : * LARGE_READX test shows it's always safe to return
3723 : * a short read. Windows does so.
3724 : */
3725 9502 : return MIN(total_size, max_len);
3726 : }
3727 :
3728 : /****************************************************************************
3729 : Reply to a read and X.
3730 : ****************************************************************************/
3731 :
3732 9906 : void reply_read_and_X(struct smb_request *req)
3733 : {
3734 9906 : connection_struct *conn = req->conn;
3735 49 : files_struct *fsp;
3736 49 : off_t startpos;
3737 49 : size_t smb_maxcnt;
3738 49 : size_t upper_size;
3739 9906 : bool big_readX = False;
3740 : #if 0
3741 : size_t smb_mincnt = SVAL(req->vwv+6, 0);
3742 : #endif
3743 :
3744 9906 : START_PROFILE(SMBreadX);
3745 :
3746 9906 : if ((req->wct != 10) && (req->wct != 12)) {
3747 0 : reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3748 0 : return;
3749 : }
3750 :
3751 9906 : fsp = file_fsp(req, SVAL(req->vwv+2, 0));
3752 9906 : startpos = IVAL_TO_SMB_OFF_T(req->vwv+3, 0);
3753 9906 : smb_maxcnt = SVAL(req->vwv+5, 0);
3754 :
3755 : /* If it's an IPC, pass off the pipe handler. */
3756 9906 : if (IS_IPC(conn)) {
3757 28 : reply_pipe_read_and_X(req);
3758 28 : END_PROFILE(SMBreadX);
3759 28 : return;
3760 : }
3761 :
3762 9878 : if (!check_fsp(conn, req, fsp)) {
3763 39 : END_PROFILE(SMBreadX);
3764 39 : return;
3765 : }
3766 :
3767 9839 : if (!CHECK_READ(fsp,req)) {
3768 337 : reply_nterror(req, NT_STATUS_ACCESS_DENIED);
3769 337 : END_PROFILE(SMBreadX);
3770 337 : return;
3771 : }
3772 :
3773 9502 : upper_size = SVAL(req->vwv+7, 0);
3774 9502 : smb_maxcnt = calc_read_size(req, upper_size, smb_maxcnt);
3775 9502 : if (smb_maxcnt > (0x1FFFF - (MIN_SMB_SIZE + VWV(12)))) {
3776 : /*
3777 : * This is a heuristic to avoid keeping large
3778 : * outgoing buffers around over long-lived aio
3779 : * requests.
3780 : */
3781 12 : big_readX = True;
3782 : }
3783 :
3784 9502 : if (req->wct == 12) {
3785 : /*
3786 : * This is a large offset (64 bit) read.
3787 : */
3788 9502 : startpos |= (((off_t)IVAL(req->vwv+10, 0)) << 32);
3789 :
3790 : }
3791 :
3792 9502 : if (!big_readX) {
3793 9490 : NTSTATUS status = schedule_aio_read_and_X(conn,
3794 : req,
3795 : fsp,
3796 : startpos,
3797 : smb_maxcnt);
3798 9490 : if (NT_STATUS_IS_OK(status)) {
3799 : /* Read scheduled - we're done. */
3800 9416 : goto out;
3801 : }
3802 74 : if (!NT_STATUS_EQUAL(status, NT_STATUS_RETRY)) {
3803 : /* Real error - report to client. */
3804 21 : END_PROFILE(SMBreadX);
3805 21 : reply_nterror(req, status);
3806 21 : return;
3807 : }
3808 : /* NT_STATUS_RETRY - fall back to sync read. */
3809 : }
3810 :
3811 65 : smbd_lock_socket(req->xconn);
3812 65 : send_file_readX(conn, req, fsp, startpos, smb_maxcnt);
3813 65 : smbd_unlock_socket(req->xconn);
3814 :
3815 9481 : out:
3816 9481 : END_PROFILE(SMBreadX);
3817 9436 : return;
3818 : }
3819 :
3820 : /****************************************************************************
3821 : Error replies to writebraw must have smb_wct == 1. Fix this up.
3822 : ****************************************************************************/
3823 :
3824 0 : void error_to_writebrawerr(struct smb_request *req)
3825 : {
3826 0 : uint8_t *old_outbuf = req->outbuf;
3827 :
3828 0 : reply_smb1_outbuf(req, 1, 0);
3829 :
3830 0 : memcpy(req->outbuf, old_outbuf, smb_size);
3831 0 : TALLOC_FREE(old_outbuf);
3832 0 : }
3833 :
3834 : /****************************************************************************
3835 : Read 4 bytes of a smb packet and return the smb length of the packet.
3836 : Store the result in the buffer. This version of the function will
3837 : never return a session keepalive (length of zero).
3838 : Timeout is in milliseconds.
3839 : ****************************************************************************/
3840 :
3841 0 : static NTSTATUS read_smb_length(int fd, char *inbuf, unsigned int timeout,
3842 : size_t *len)
3843 : {
3844 0 : uint8_t msgtype = NBSSkeepalive;
3845 :
3846 0 : while (msgtype == NBSSkeepalive) {
3847 0 : NTSTATUS status;
3848 :
3849 0 : status = read_smb_length_return_keepalive(fd, inbuf, timeout,
3850 : len);
3851 0 : if (!NT_STATUS_IS_OK(status)) {
3852 0 : char addr[INET6_ADDRSTRLEN];
3853 : /* Try and give an error message
3854 : * saying what client failed. */
3855 0 : DEBUG(0, ("read_smb_length_return_keepalive failed for "
3856 : "client %s read error = %s.\n",
3857 : get_peer_addr(fd,addr,sizeof(addr)),
3858 : nt_errstr(status)));
3859 0 : return status;
3860 : }
3861 :
3862 0 : msgtype = CVAL(inbuf, 0);
3863 : }
3864 :
3865 0 : DEBUG(10,("read_smb_length: got smb length of %lu\n",
3866 : (unsigned long)len));
3867 :
3868 0 : return NT_STATUS_OK;
3869 : }
3870 :
3871 : /****************************************************************************
3872 : Reply to a writebraw (core+ or LANMAN1.0 protocol).
3873 : ****************************************************************************/
3874 :
3875 0 : void reply_writebraw(struct smb_request *req)
3876 : {
3877 0 : connection_struct *conn = req->conn;
3878 0 : struct smbXsrv_connection *xconn = req->xconn;
3879 0 : char *buf = NULL;
3880 0 : ssize_t nwritten=0;
3881 0 : ssize_t total_written=0;
3882 0 : size_t numtowrite=0;
3883 0 : size_t tcount;
3884 0 : off_t startpos;
3885 0 : const char *data=NULL;
3886 0 : bool write_through;
3887 0 : files_struct *fsp;
3888 0 : struct lock_struct lock;
3889 0 : NTSTATUS status;
3890 :
3891 0 : START_PROFILE(SMBwritebraw);
3892 :
3893 : /*
3894 : * If we ever reply with an error, it must have the SMB command
3895 : * type of SMBwritec, not SMBwriteBraw, as this tells the client
3896 : * we're finished.
3897 : */
3898 0 : SCVAL(discard_const_p(uint8_t, req->inbuf),smb_com,SMBwritec);
3899 :
3900 0 : if (smb1_srv_is_signing_active(xconn)) {
3901 0 : END_PROFILE(SMBwritebraw);
3902 0 : exit_server_cleanly("reply_writebraw: SMB signing is active - "
3903 : "raw reads/writes are disallowed.");
3904 : }
3905 :
3906 0 : if (req->wct < 12) {
3907 0 : reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3908 0 : error_to_writebrawerr(req);
3909 0 : END_PROFILE(SMBwritebraw);
3910 0 : return;
3911 : }
3912 :
3913 0 : if (xconn->smb1.echo_handler.trusted_fde) {
3914 0 : DEBUG(2,("SMBwritebraw rejected with NOT_SUPPORTED because of "
3915 : "'async smb echo handler = yes'\n"));
3916 0 : reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
3917 0 : error_to_writebrawerr(req);
3918 0 : END_PROFILE(SMBwritebraw);
3919 0 : return;
3920 : }
3921 :
3922 0 : fsp = file_fsp(req, SVAL(req->vwv+0, 0));
3923 0 : if (!check_fsp(conn, req, fsp)) {
3924 0 : error_to_writebrawerr(req);
3925 0 : END_PROFILE(SMBwritebraw);
3926 0 : return;
3927 : }
3928 :
3929 0 : if (!CHECK_WRITE(fsp)) {
3930 0 : reply_nterror(req, NT_STATUS_ACCESS_DENIED);
3931 0 : error_to_writebrawerr(req);
3932 0 : END_PROFILE(SMBwritebraw);
3933 0 : return;
3934 : }
3935 :
3936 0 : tcount = IVAL(req->vwv+1, 0);
3937 0 : startpos = IVAL_TO_SMB_OFF_T(req->vwv+3, 0);
3938 0 : write_through = BITSETW(req->vwv+7,0);
3939 :
3940 : /* We have to deal with slightly different formats depending
3941 : on whether we are using the core+ or lanman1.0 protocol */
3942 :
3943 0 : if(xconn->protocol <= PROTOCOL_COREPLUS) {
3944 0 : numtowrite = SVAL(smb_buf_const(req->inbuf),-2);
3945 0 : data = smb_buf_const(req->inbuf);
3946 : } else {
3947 0 : numtowrite = SVAL(req->vwv+10, 0);
3948 0 : data = smb_base(req->inbuf) + SVAL(req->vwv+11, 0);
3949 : }
3950 :
3951 : /* Ensure we don't write bytes past the end of this packet. */
3952 : /*
3953 : * This already protects us against CVE-2017-12163.
3954 : */
3955 0 : if (data + numtowrite > smb_base(req->inbuf) + smb_len(req->inbuf)) {
3956 0 : reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
3957 0 : error_to_writebrawerr(req);
3958 0 : END_PROFILE(SMBwritebraw);
3959 0 : return;
3960 : }
3961 :
3962 0 : if (!fsp->print_file) {
3963 0 : init_strict_lock_struct(fsp,
3964 0 : (uint64_t)req->smbpid,
3965 : (uint64_t)startpos,
3966 : (uint64_t)tcount,
3967 : WRITE_LOCK,
3968 : lp_posix_cifsu_locktype(fsp),
3969 : &lock);
3970 :
3971 0 : if (!SMB_VFS_STRICT_LOCK_CHECK(conn, fsp, &lock)) {
3972 0 : reply_nterror(req, NT_STATUS_FILE_LOCK_CONFLICT);
3973 0 : error_to_writebrawerr(req);
3974 0 : END_PROFILE(SMBwritebraw);
3975 0 : return;
3976 : }
3977 : }
3978 :
3979 0 : if (numtowrite>0) {
3980 0 : nwritten = write_file(req,fsp,data,startpos,numtowrite);
3981 : }
3982 :
3983 0 : DEBUG(3, ("reply_writebraw: initial write %s start=%.0f num=%d "
3984 : "wrote=%d sync=%d\n",
3985 : fsp_fnum_dbg(fsp), (double)startpos, (int)numtowrite,
3986 : (int)nwritten, (int)write_through));
3987 :
3988 0 : if (nwritten < (ssize_t)numtowrite) {
3989 0 : reply_nterror(req, NT_STATUS_DISK_FULL);
3990 0 : error_to_writebrawerr(req);
3991 0 : goto out;
3992 : }
3993 :
3994 0 : total_written = nwritten;
3995 :
3996 : /* Allocate a buffer of 64k + length. */
3997 0 : buf = talloc_array(NULL, char, 65540);
3998 0 : if (!buf) {
3999 0 : reply_nterror(req, NT_STATUS_NO_MEMORY);
4000 0 : error_to_writebrawerr(req);
4001 0 : goto out;
4002 : }
4003 :
4004 : /* Return a SMBwritebraw message to the redirector to tell
4005 : * it to send more bytes */
4006 :
4007 0 : memcpy(buf, req->inbuf, smb_size);
4008 0 : srv_smb1_set_message(buf,xconn->protocol>PROTOCOL_COREPLUS?1:0,0,True);
4009 0 : SCVAL(buf,smb_com,SMBwritebraw);
4010 0 : SSVALS(buf,smb_vwv0,0xFFFF);
4011 0 : show_msg(buf);
4012 0 : if (!smb1_srv_send(req->xconn,
4013 : buf,
4014 : false,
4015 : 0, /* no signing */
4016 0 : IS_CONN_ENCRYPTED(conn))) {
4017 0 : exit_server_cleanly("reply_writebraw: smb1_srv_send "
4018 : "failed.");
4019 : }
4020 :
4021 : /* Now read the raw data into the buffer and write it */
4022 0 : status = read_smb_length(xconn->transport.sock, buf, SMB_SECONDARY_WAIT,
4023 : &numtowrite);
4024 0 : if (!NT_STATUS_IS_OK(status)) {
4025 0 : exit_server_cleanly("secondary writebraw failed");
4026 : }
4027 :
4028 : /* Set up outbuf to return the correct size */
4029 0 : reply_smb1_outbuf(req, 1, 0);
4030 :
4031 0 : if (numtowrite != 0) {
4032 :
4033 0 : if (numtowrite > 0xFFFF) {
4034 0 : DEBUG(0,("reply_writebraw: Oversize secondary write "
4035 : "raw requested (%u). Terminating\n",
4036 : (unsigned int)numtowrite ));
4037 0 : exit_server_cleanly("secondary writebraw failed");
4038 : }
4039 :
4040 0 : if (tcount > nwritten+numtowrite) {
4041 0 : DEBUG(3,("reply_writebraw: Client overestimated the "
4042 : "write %d %d %d\n",
4043 : (int)tcount,(int)nwritten,(int)numtowrite));
4044 : }
4045 :
4046 0 : status = read_data_ntstatus(xconn->transport.sock, buf+4,
4047 : numtowrite);
4048 :
4049 0 : if (!NT_STATUS_IS_OK(status)) {
4050 : /* Try and give an error message
4051 : * saying what client failed. */
4052 0 : DEBUG(0, ("reply_writebraw: Oversize secondary write "
4053 : "raw read failed (%s) for client %s. "
4054 : "Terminating\n", nt_errstr(status),
4055 : smbXsrv_connection_dbg(xconn)));
4056 0 : exit_server_cleanly("secondary writebraw failed");
4057 : }
4058 :
4059 : /*
4060 : * We are not vulnerable to CVE-2017-12163
4061 : * here as we are guaranteed to have numtowrite
4062 : * bytes available - we just read from the client.
4063 : */
4064 0 : nwritten = write_file(req,fsp,buf+4,startpos+nwritten,numtowrite);
4065 0 : if (nwritten == -1) {
4066 0 : TALLOC_FREE(buf);
4067 0 : reply_nterror(req, map_nt_error_from_unix(errno));
4068 0 : error_to_writebrawerr(req);
4069 0 : goto out;
4070 : }
4071 :
4072 0 : if (nwritten < (ssize_t)numtowrite) {
4073 0 : SCVAL(req->outbuf,smb_rcls,ERRHRD);
4074 0 : SSVAL(req->outbuf,smb_err,ERRdiskfull);
4075 : }
4076 :
4077 0 : if (nwritten > 0) {
4078 0 : total_written += nwritten;
4079 : }
4080 : }
4081 :
4082 0 : TALLOC_FREE(buf);
4083 0 : SSVAL(req->outbuf,smb_vwv0,total_written);
4084 :
4085 0 : status = sync_file(conn, fsp, write_through);
4086 0 : if (!NT_STATUS_IS_OK(status)) {
4087 0 : DEBUG(5,("reply_writebraw: sync_file for %s returned %s\n",
4088 : fsp_str_dbg(fsp), nt_errstr(status)));
4089 0 : reply_nterror(req, status);
4090 0 : error_to_writebrawerr(req);
4091 0 : goto out;
4092 : }
4093 :
4094 0 : DEBUG(3,("reply_writebraw: secondary write %s start=%.0f num=%d "
4095 : "wrote=%d\n",
4096 : fsp_fnum_dbg(fsp), (double)startpos, (int)numtowrite,
4097 : (int)total_written));
4098 :
4099 : /* We won't return a status if write through is not selected - this
4100 : * follows what WfWg does */
4101 0 : END_PROFILE(SMBwritebraw);
4102 :
4103 0 : if (!write_through && total_written==tcount) {
4104 :
4105 : #if RABBIT_PELLET_FIX
4106 : /*
4107 : * Fix for "rabbit pellet" mode, trigger an early TCP ack by
4108 : * sending a NBSSkeepalive. Thanks to DaveCB at Sun for this.
4109 : * JRA.
4110 : */
4111 0 : if (!send_keepalive(xconn->transport.sock)) {
4112 0 : exit_server_cleanly("reply_writebraw: send of "
4113 : "keepalive failed");
4114 : }
4115 : #endif
4116 0 : TALLOC_FREE(req->outbuf);
4117 : }
4118 0 : return;
4119 :
4120 0 : out:
4121 0 : END_PROFILE(SMBwritebraw);
4122 0 : return;
4123 : }
4124 :
4125 : #undef DBGC_CLASS
4126 : #define DBGC_CLASS DBGC_LOCKING
4127 :
4128 : /****************************************************************************
4129 : Reply to a writeunlock (core+).
4130 : ****************************************************************************/
4131 :
4132 35 : void reply_writeunlock(struct smb_request *req)
4133 : {
4134 35 : connection_struct *conn = req->conn;
4135 35 : ssize_t nwritten = -1;
4136 7 : size_t numtowrite;
4137 7 : size_t remaining;
4138 7 : off_t startpos;
4139 7 : const char *data;
4140 35 : NTSTATUS status = NT_STATUS_OK;
4141 7 : files_struct *fsp;
4142 7 : struct lock_struct lock;
4143 35 : int saved_errno = 0;
4144 :
4145 35 : START_PROFILE(SMBwriteunlock);
4146 :
4147 35 : if (req->wct < 5) {
4148 0 : reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
4149 0 : END_PROFILE(SMBwriteunlock);
4150 0 : return;
4151 : }
4152 :
4153 35 : fsp = file_fsp(req, SVAL(req->vwv+0, 0));
4154 :
4155 35 : if (!check_fsp(conn, req, fsp)) {
4156 5 : END_PROFILE(SMBwriteunlock);
4157 5 : return;
4158 : }
4159 :
4160 30 : if (!CHECK_WRITE(fsp)) {
4161 0 : reply_nterror(req, NT_STATUS_ACCESS_DENIED);
4162 0 : END_PROFILE(SMBwriteunlock);
4163 0 : return;
4164 : }
4165 :
4166 30 : numtowrite = SVAL(req->vwv+1, 0);
4167 30 : startpos = IVAL_TO_SMB_OFF_T(req->vwv+2, 0);
4168 30 : data = (const char *)req->buf + 3;
4169 :
4170 : /*
4171 : * Ensure client isn't asking us to write more than
4172 : * they sent. CVE-2017-12163.
4173 : */
4174 30 : remaining = smbreq_bufrem(req, data);
4175 30 : if (numtowrite > remaining) {
4176 0 : reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
4177 0 : END_PROFILE(SMBwriteunlock);
4178 0 : return;
4179 : }
4180 :
4181 30 : if (!fsp->print_file && numtowrite > 0) {
4182 25 : init_strict_lock_struct(fsp,
4183 25 : (uint64_t)req->smbpid,
4184 : (uint64_t)startpos,
4185 : (uint64_t)numtowrite,
4186 : WRITE_LOCK,
4187 : lp_posix_cifsu_locktype(fsp),
4188 : &lock);
4189 :
4190 25 : if (!SMB_VFS_STRICT_LOCK_CHECK(conn, fsp, &lock)) {
4191 0 : reply_nterror(req, NT_STATUS_FILE_LOCK_CONFLICT);
4192 0 : END_PROFILE(SMBwriteunlock);
4193 0 : return;
4194 : }
4195 : }
4196 :
4197 : /* The special X/Open SMB protocol handling of
4198 : zero length writes is *NOT* done for
4199 : this call */
4200 30 : if(numtowrite == 0) {
4201 4 : nwritten = 0;
4202 : } else {
4203 25 : nwritten = write_file(req,fsp,data,startpos,numtowrite);
4204 25 : saved_errno = errno;
4205 : }
4206 :
4207 30 : status = sync_file(conn, fsp, False /* write through */);
4208 30 : if (!NT_STATUS_IS_OK(status)) {
4209 0 : DEBUG(5,("reply_writeunlock: sync_file for %s returned %s\n",
4210 : fsp_str_dbg(fsp), nt_errstr(status)));
4211 0 : reply_nterror(req, status);
4212 0 : goto out;
4213 : }
4214 :
4215 30 : if(nwritten < 0) {
4216 0 : reply_nterror(req, map_nt_error_from_unix(saved_errno));
4217 0 : goto out;
4218 : }
4219 :
4220 30 : if((nwritten < numtowrite) && (numtowrite != 0)) {
4221 0 : reply_nterror(req, NT_STATUS_DISK_FULL);
4222 0 : goto out;
4223 : }
4224 :
4225 30 : if (numtowrite && !fsp->print_file) {
4226 30 : struct smbd_lock_element l = {
4227 25 : .req_guid = smbd_request_guid(req, 0),
4228 25 : .smblctx = req->smbpid,
4229 : .brltype = UNLOCK_LOCK,
4230 : .lock_flav = WINDOWS_LOCK,
4231 : .offset = startpos,
4232 : .count = numtowrite,
4233 : };
4234 25 : status = smbd_do_unlocking(req, fsp, 1, &l);
4235 25 : if (NT_STATUS_V(status)) {
4236 10 : reply_nterror(req, status);
4237 10 : goto out;
4238 : }
4239 : }
4240 :
4241 20 : reply_smb1_outbuf(req, 1, 0);
4242 :
4243 20 : SSVAL(req->outbuf,smb_vwv0,nwritten);
4244 :
4245 20 : DEBUG(3, ("writeunlock %s num=%d wrote=%d\n",
4246 : fsp_fnum_dbg(fsp), (int)numtowrite, (int)nwritten));
4247 :
4248 30 : out:
4249 30 : END_PROFILE(SMBwriteunlock);
4250 24 : return;
4251 : }
4252 :
4253 : #undef DBGC_CLASS
4254 : #define DBGC_CLASS DBGC_ALL
4255 :
4256 : /****************************************************************************
4257 : Reply to a write.
4258 : ****************************************************************************/
4259 :
4260 204 : void reply_write(struct smb_request *req)
4261 : {
4262 204 : connection_struct *conn = req->conn;
4263 6 : size_t numtowrite;
4264 6 : size_t remaining;
4265 204 : ssize_t nwritten = -1;
4266 6 : off_t startpos;
4267 6 : const char *data;
4268 6 : files_struct *fsp;
4269 6 : struct lock_struct lock;
4270 6 : NTSTATUS status;
4271 204 : int saved_errno = 0;
4272 :
4273 204 : START_PROFILE(SMBwrite);
4274 :
4275 204 : if (req->wct < 5) {
4276 0 : END_PROFILE(SMBwrite);
4277 0 : reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
4278 0 : return;
4279 : }
4280 :
4281 : /* If it's an IPC, pass off the pipe handler. */
4282 204 : if (IS_IPC(conn)) {
4283 0 : reply_pipe_write(req);
4284 0 : END_PROFILE(SMBwrite);
4285 0 : return;
4286 : }
4287 :
4288 204 : fsp = file_fsp(req, SVAL(req->vwv+0, 0));
4289 :
4290 204 : if (!check_fsp(conn, req, fsp)) {
4291 5 : END_PROFILE(SMBwrite);
4292 5 : return;
4293 : }
4294 :
4295 199 : if (!CHECK_WRITE(fsp)) {
4296 0 : reply_nterror(req, NT_STATUS_ACCESS_DENIED);
4297 0 : END_PROFILE(SMBwrite);
4298 0 : return;
4299 : }
4300 :
4301 199 : numtowrite = SVAL(req->vwv+1, 0);
4302 199 : startpos = IVAL_TO_SMB_OFF_T(req->vwv+2, 0);
4303 199 : data = (const char *)req->buf + 3;
4304 :
4305 : /*
4306 : * Ensure client isn't asking us to write more than
4307 : * they sent. CVE-2017-12163.
4308 : */
4309 199 : remaining = smbreq_bufrem(req, data);
4310 199 : if (numtowrite > remaining) {
4311 5 : reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
4312 5 : END_PROFILE(SMBwrite);
4313 5 : return;
4314 : }
4315 :
4316 194 : if (!fsp->print_file) {
4317 194 : init_strict_lock_struct(fsp,
4318 194 : (uint64_t)req->smbpid,
4319 : (uint64_t)startpos,
4320 : (uint64_t)numtowrite,
4321 : WRITE_LOCK,
4322 : lp_posix_cifsu_locktype(fsp),
4323 : &lock);
4324 :
4325 194 : if (!SMB_VFS_STRICT_LOCK_CHECK(conn, fsp, &lock)) {
4326 4 : reply_nterror(req, NT_STATUS_FILE_LOCK_CONFLICT);
4327 4 : END_PROFILE(SMBwrite);
4328 4 : return;
4329 : }
4330 : }
4331 :
4332 : /*
4333 : * X/Open SMB protocol says that if smb_vwv1 is
4334 : * zero then the file size should be extended or
4335 : * truncated to the size given in smb_vwv[2-3].
4336 : */
4337 :
4338 190 : if(numtowrite == 0) {
4339 : /*
4340 : * This is actually an allocate call, and set EOF. JRA.
4341 : */
4342 57 : nwritten = vfs_allocate_file_space(fsp, (off_t)startpos);
4343 57 : if (nwritten < 0) {
4344 0 : reply_nterror(req, NT_STATUS_DISK_FULL);
4345 0 : goto out;
4346 : }
4347 57 : nwritten = vfs_set_filelen(fsp, (off_t)startpos);
4348 57 : if (nwritten < 0) {
4349 0 : reply_nterror(req, NT_STATUS_DISK_FULL);
4350 0 : goto out;
4351 : }
4352 57 : trigger_write_time_update_immediate(fsp);
4353 : } else {
4354 133 : nwritten = write_file(req,fsp,data,startpos,numtowrite);
4355 : }
4356 :
4357 190 : status = sync_file(conn, fsp, False);
4358 190 : if (!NT_STATUS_IS_OK(status)) {
4359 0 : DEBUG(5,("reply_write: sync_file for %s returned %s\n",
4360 : fsp_str_dbg(fsp), nt_errstr(status)));
4361 0 : reply_nterror(req, status);
4362 0 : goto out;
4363 : }
4364 :
4365 190 : if(nwritten < 0) {
4366 0 : reply_nterror(req, map_nt_error_from_unix(saved_errno));
4367 0 : goto out;
4368 : }
4369 :
4370 190 : if((nwritten == 0) && (numtowrite != 0)) {
4371 0 : reply_nterror(req, NT_STATUS_DISK_FULL);
4372 0 : goto out;
4373 : }
4374 :
4375 190 : reply_smb1_outbuf(req, 1, 0);
4376 :
4377 190 : SSVAL(req->outbuf,smb_vwv0,nwritten);
4378 :
4379 190 : if (nwritten < (ssize_t)numtowrite) {
4380 0 : SCVAL(req->outbuf,smb_rcls,ERRHRD);
4381 0 : SSVAL(req->outbuf,smb_err,ERRdiskfull);
4382 : }
4383 :
4384 190 : DEBUG(3, ("write %s num=%d wrote=%d\n", fsp_fnum_dbg(fsp), (int)numtowrite, (int)nwritten));
4385 :
4386 190 : out:
4387 190 : END_PROFILE(SMBwrite);
4388 186 : return;
4389 : }
4390 :
4391 : /****************************************************************************
4392 : Ensure a buffer is a valid writeX for recvfile purposes.
4393 : ****************************************************************************/
4394 :
4395 : #define STANDARD_WRITE_AND_X_HEADER_SIZE (smb_size - 4 + /* basic header */ \
4396 : (2*14) + /* word count (including bcc) */ \
4397 : 1 /* pad byte */)
4398 :
4399 0 : bool is_valid_writeX_buffer(struct smbXsrv_connection *xconn,
4400 : const uint8_t *inbuf)
4401 : {
4402 0 : size_t numtowrite;
4403 0 : unsigned int doff = 0;
4404 0 : size_t len = smb_len_large(inbuf);
4405 0 : uint16_t fnum;
4406 0 : struct smbXsrv_open *op = NULL;
4407 0 : struct files_struct *fsp = NULL;
4408 0 : NTSTATUS status;
4409 :
4410 0 : if (is_encrypted_packet(inbuf)) {
4411 : /* Can't do this on encrypted
4412 : * connections. */
4413 0 : return false;
4414 : }
4415 :
4416 0 : if (CVAL(inbuf,smb_com) != SMBwriteX) {
4417 0 : return false;
4418 : }
4419 :
4420 0 : if (CVAL(inbuf,smb_vwv0) != 0xFF ||
4421 0 : CVAL(inbuf,smb_wct) != 14) {
4422 0 : DEBUG(10,("is_valid_writeX_buffer: chained or "
4423 : "invalid word length.\n"));
4424 0 : return false;
4425 : }
4426 :
4427 0 : fnum = SVAL(inbuf, smb_vwv2);
4428 0 : status = smb1srv_open_lookup(xconn,
4429 : fnum,
4430 : 0, /* now */
4431 : &op);
4432 0 : if (!NT_STATUS_IS_OK(status)) {
4433 0 : DEBUG(10,("is_valid_writeX_buffer: bad fnum\n"));
4434 0 : return false;
4435 : }
4436 0 : fsp = op->compat;
4437 0 : if (fsp == NULL) {
4438 0 : DEBUG(10,("is_valid_writeX_buffer: bad fsp\n"));
4439 0 : return false;
4440 : }
4441 0 : if (fsp->conn == NULL) {
4442 0 : DEBUG(10,("is_valid_writeX_buffer: bad fsp->conn\n"));
4443 0 : return false;
4444 : }
4445 :
4446 0 : if (IS_IPC(fsp->conn)) {
4447 0 : DEBUG(10,("is_valid_writeX_buffer: IPC$ tid\n"));
4448 0 : return false;
4449 : }
4450 0 : if (IS_PRINT(fsp->conn)) {
4451 0 : DEBUG(10,("is_valid_writeX_buffer: printing tid\n"));
4452 0 : return false;
4453 : }
4454 0 : if (fsp_is_alternate_stream(fsp)) {
4455 0 : DEBUG(10,("is_valid_writeX_buffer: stream fsp\n"));
4456 0 : return false;
4457 : }
4458 0 : doff = SVAL(inbuf,smb_vwv11);
4459 :
4460 0 : numtowrite = SVAL(inbuf,smb_vwv10);
4461 :
4462 0 : if (len > doff && len - doff > 0xFFFF) {
4463 0 : numtowrite |= (((size_t)SVAL(inbuf,smb_vwv9))<<16);
4464 : }
4465 :
4466 0 : if (numtowrite == 0) {
4467 0 : DEBUG(10,("is_valid_writeX_buffer: zero write\n"));
4468 0 : return false;
4469 : }
4470 :
4471 : /* Ensure the sizes match up. */
4472 0 : if (doff < STANDARD_WRITE_AND_X_HEADER_SIZE) {
4473 : /* no pad byte...old smbclient :-( */
4474 0 : DEBUG(10,("is_valid_writeX_buffer: small doff %u (min %u)\n",
4475 : (unsigned int)doff,
4476 : (unsigned int)STANDARD_WRITE_AND_X_HEADER_SIZE));
4477 0 : return false;
4478 : }
4479 :
4480 0 : if (len - doff != numtowrite) {
4481 0 : DEBUG(10,("is_valid_writeX_buffer: doff mismatch "
4482 : "len = %u, doff = %u, numtowrite = %u\n",
4483 : (unsigned int)len,
4484 : (unsigned int)doff,
4485 : (unsigned int)numtowrite ));
4486 0 : return false;
4487 : }
4488 :
4489 0 : DEBUG(10,("is_valid_writeX_buffer: true "
4490 : "len = %u, doff = %u, numtowrite = %u\n",
4491 : (unsigned int)len,
4492 : (unsigned int)doff,
4493 : (unsigned int)numtowrite ));
4494 :
4495 0 : return true;
4496 : }
4497 :
4498 : /****************************************************************************
4499 : Reply to a write and X.
4500 : ****************************************************************************/
4501 :
4502 132811 : void reply_write_and_X(struct smb_request *req)
4503 : {
4504 132811 : connection_struct *conn = req->conn;
4505 132811 : struct smbXsrv_connection *xconn = req->xconn;
4506 59 : files_struct *fsp;
4507 59 : struct lock_struct lock;
4508 59 : off_t startpos;
4509 59 : size_t numtowrite;
4510 59 : bool write_through;
4511 59 : ssize_t nwritten;
4512 59 : unsigned int smb_doff;
4513 59 : unsigned int smblen;
4514 59 : const char *data;
4515 59 : NTSTATUS status;
4516 132811 : int saved_errno = 0;
4517 :
4518 132811 : START_PROFILE(SMBwriteX);
4519 :
4520 132811 : if ((req->wct != 12) && (req->wct != 14)) {
4521 0 : reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
4522 0 : goto out;
4523 : }
4524 :
4525 132811 : numtowrite = SVAL(req->vwv+10, 0);
4526 132811 : smb_doff = SVAL(req->vwv+11, 0);
4527 132811 : smblen = smb_len(req->inbuf);
4528 :
4529 132811 : if (req->unread_bytes > 0xFFFF ||
4530 132806 : (smblen > smb_doff &&
4531 132806 : smblen - smb_doff > 0xFFFF)) {
4532 1400 : numtowrite |= (((size_t)SVAL(req->vwv+9, 0))<<16);
4533 : }
4534 :
4535 132811 : if (req->unread_bytes) {
4536 : /* Can't do a recvfile write on IPC$ */
4537 0 : if (IS_IPC(conn)) {
4538 0 : reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
4539 0 : goto out;
4540 : }
4541 0 : if (numtowrite != req->unread_bytes) {
4542 0 : reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
4543 0 : goto out;
4544 : }
4545 : } else {
4546 : /*
4547 : * This already protects us against CVE-2017-12163.
4548 : */
4549 132811 : if (smb_doff > smblen || smb_doff + numtowrite < numtowrite ||
4550 132811 : smb_doff + numtowrite > smblen) {
4551 0 : reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
4552 0 : goto out;
4553 : }
4554 : }
4555 :
4556 : /* If it's an IPC, pass off the pipe handler. */
4557 132811 : if (IS_IPC(conn)) {
4558 8 : if (req->unread_bytes) {
4559 0 : reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
4560 0 : goto out;
4561 : }
4562 8 : reply_pipe_write_and_X(req);
4563 8 : goto out;
4564 : }
4565 :
4566 132803 : fsp = file_fsp(req, SVAL(req->vwv+2, 0));
4567 132803 : startpos = IVAL_TO_SMB_OFF_T(req->vwv+3, 0);
4568 132803 : write_through = BITSETW(req->vwv+7,0);
4569 :
4570 132803 : if (!check_fsp(conn, req, fsp)) {
4571 14 : goto out;
4572 : }
4573 :
4574 132789 : if (!CHECK_WRITE(fsp)) {
4575 290 : reply_nterror(req, NT_STATUS_ACCESS_DENIED);
4576 290 : goto out;
4577 : }
4578 :
4579 132499 : data = smb_base(req->inbuf) + smb_doff;
4580 :
4581 132499 : if(req->wct == 14) {
4582 : /*
4583 : * This is a large offset (64 bit) write.
4584 : */
4585 132499 : startpos |= (((off_t)IVAL(req->vwv+12, 0)) << 32);
4586 :
4587 : }
4588 :
4589 : /* X/Open SMB protocol says that, unlike SMBwrite
4590 : if the length is zero then NO truncation is
4591 : done, just a write of zero. To truncate a file,
4592 : use SMBwrite. */
4593 :
4594 132499 : if(numtowrite == 0) {
4595 4 : nwritten = 0;
4596 : } else {
4597 132494 : if (req->unread_bytes == 0) {
4598 132494 : status = schedule_aio_write_and_X(conn,
4599 : req,
4600 : fsp,
4601 : data,
4602 : startpos,
4603 : numtowrite);
4604 :
4605 132494 : if (NT_STATUS_IS_OK(status)) {
4606 : /* write scheduled - we're done. */
4607 132409 : goto out;
4608 : }
4609 85 : if (!NT_STATUS_EQUAL(status, NT_STATUS_RETRY)) {
4610 : /* Real error - report to client. */
4611 45 : reply_nterror(req, status);
4612 45 : goto out;
4613 : }
4614 : /* NT_STATUS_RETRY - fall through to sync write. */
4615 : }
4616 :
4617 40 : init_strict_lock_struct(fsp,
4618 40 : (uint64_t)req->smbpid,
4619 : (uint64_t)startpos,
4620 : (uint64_t)numtowrite,
4621 : WRITE_LOCK,
4622 : lp_posix_cifsu_locktype(fsp),
4623 : &lock);
4624 :
4625 40 : if (!SMB_VFS_STRICT_LOCK_CHECK(conn, fsp, &lock)) {
4626 0 : reply_nterror(req, NT_STATUS_FILE_LOCK_CONFLICT);
4627 0 : goto out;
4628 : }
4629 :
4630 40 : nwritten = write_file(req,fsp,data,startpos,numtowrite);
4631 40 : saved_errno = errno;
4632 : }
4633 :
4634 44 : if(nwritten < 0) {
4635 0 : reply_nterror(req, map_nt_error_from_unix(saved_errno));
4636 0 : goto out;
4637 : }
4638 :
4639 45 : if((nwritten == 0) && (numtowrite != 0)) {
4640 0 : reply_nterror(req, NT_STATUS_DISK_FULL);
4641 0 : goto out;
4642 : }
4643 :
4644 45 : reply_smb1_outbuf(req, 6, 0);
4645 45 : SSVAL(req->outbuf, smb_vwv0, 0xff); /* andx chain ends */
4646 45 : SSVAL(req->outbuf, smb_vwv1, 0); /* no andx offset */
4647 45 : SSVAL(req->outbuf,smb_vwv2,nwritten);
4648 45 : SSVAL(req->outbuf,smb_vwv4,nwritten>>16);
4649 :
4650 45 : DEBUG(3,("writeX %s num=%d wrote=%d\n",
4651 : fsp_fnum_dbg(fsp), (int)numtowrite, (int)nwritten));
4652 :
4653 45 : status = sync_file(conn, fsp, write_through);
4654 45 : if (!NT_STATUS_IS_OK(status)) {
4655 0 : DEBUG(5,("reply_write_and_X: sync_file for %s returned %s\n",
4656 : fsp_str_dbg(fsp), nt_errstr(status)));
4657 0 : reply_nterror(req, status);
4658 0 : goto out;
4659 : }
4660 :
4661 45 : END_PROFILE(SMBwriteX);
4662 44 : return;
4663 :
4664 132766 : out:
4665 132766 : if (req->unread_bytes) {
4666 : /* writeX failed. drain socket. */
4667 0 : if (drain_socket(xconn->transport.sock, req->unread_bytes) !=
4668 0 : req->unread_bytes) {
4669 0 : smb_panic("failed to drain pending bytes");
4670 : }
4671 0 : req->unread_bytes = 0;
4672 : }
4673 :
4674 132766 : END_PROFILE(SMBwriteX);
4675 132708 : return;
4676 : }
4677 :
4678 : /****************************************************************************
4679 : Reply to a lseek.
4680 : ****************************************************************************/
4681 :
4682 40 : void reply_lseek(struct smb_request *req)
4683 : {
4684 40 : connection_struct *conn = req->conn;
4685 8 : off_t startpos;
4686 40 : off_t res= -1;
4687 8 : int mode,umode;
4688 8 : files_struct *fsp;
4689 8 : NTSTATUS status;
4690 :
4691 40 : START_PROFILE(SMBlseek);
4692 :
4693 40 : if (req->wct < 4) {
4694 0 : reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
4695 0 : END_PROFILE(SMBlseek);
4696 0 : return;
4697 : }
4698 :
4699 40 : fsp = file_fsp(req, SVAL(req->vwv+0, 0));
4700 :
4701 40 : if (!check_fsp(conn, req, fsp)) {
4702 4 : return;
4703 : }
4704 :
4705 35 : mode = SVAL(req->vwv+1, 0) & 3;
4706 : /* NB. This doesn't use IVAL_TO_SMB_OFF_T as startpos can be signed in this case. */
4707 35 : startpos = (off_t)IVALS(req->vwv+2, 0);
4708 :
4709 35 : switch (mode) {
4710 8 : case 0:
4711 8 : umode = SEEK_SET;
4712 8 : res = startpos;
4713 8 : break;
4714 20 : case 1:
4715 20 : umode = SEEK_CUR;
4716 20 : res = fh_get_pos(fsp->fh) + startpos;
4717 20 : break;
4718 4 : case 2:
4719 5 : umode = SEEK_END;
4720 5 : break;
4721 0 : default:
4722 0 : umode = SEEK_SET;
4723 0 : res = startpos;
4724 0 : break;
4725 : }
4726 :
4727 32 : if (umode == SEEK_END) {
4728 5 : if((res = SMB_VFS_LSEEK(fsp,startpos,umode)) == -1) {
4729 0 : if(errno == EINVAL) {
4730 0 : off_t current_pos = startpos;
4731 :
4732 0 : status = vfs_stat_fsp(fsp);
4733 0 : if (!NT_STATUS_IS_OK(status)) {
4734 0 : reply_nterror(req, status);
4735 0 : END_PROFILE(SMBlseek);
4736 0 : return;
4737 : }
4738 :
4739 0 : current_pos += fsp->fsp_name->st.st_ex_size;
4740 0 : if(current_pos < 0)
4741 0 : res = SMB_VFS_LSEEK(fsp,0,SEEK_SET);
4742 : }
4743 : }
4744 :
4745 5 : if(res == -1) {
4746 0 : reply_nterror(req, map_nt_error_from_unix(errno));
4747 0 : END_PROFILE(SMBlseek);
4748 0 : return;
4749 : }
4750 : }
4751 :
4752 35 : fh_set_pos(fsp->fh, res);
4753 :
4754 35 : reply_smb1_outbuf(req, 2, 0);
4755 35 : SIVAL(req->outbuf,smb_vwv0,res);
4756 :
4757 35 : DEBUG(3,("lseek %s ofs=%.0f newpos = %.0f mode=%d\n",
4758 : fsp_fnum_dbg(fsp), (double)startpos, (double)res, mode));
4759 :
4760 35 : END_PROFILE(SMBlseek);
4761 28 : return;
4762 : }
4763 :
4764 0 : static struct files_struct *file_sync_one_fn(struct files_struct *fsp,
4765 : void *private_data)
4766 : {
4767 0 : connection_struct *conn = talloc_get_type_abort(
4768 : private_data, connection_struct);
4769 :
4770 0 : if (conn != fsp->conn) {
4771 0 : return NULL;
4772 : }
4773 0 : if (fsp_get_io_fd(fsp) == -1) {
4774 0 : return NULL;
4775 : }
4776 0 : sync_file(conn, fsp, True /* write through */);
4777 :
4778 0 : if (fsp->fsp_flags.modified) {
4779 0 : trigger_write_time_update_immediate(fsp);
4780 : }
4781 :
4782 0 : return NULL;
4783 : }
4784 :
4785 : /****************************************************************************
4786 : Reply to a flush.
4787 : ****************************************************************************/
4788 :
4789 22 : void reply_flush(struct smb_request *req)
4790 : {
4791 22 : connection_struct *conn = req->conn;
4792 4 : uint16_t fnum;
4793 4 : files_struct *fsp;
4794 :
4795 22 : START_PROFILE(SMBflush);
4796 :
4797 22 : if (req->wct < 1) {
4798 0 : reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
4799 0 : return;
4800 : }
4801 :
4802 22 : fnum = SVAL(req->vwv+0, 0);
4803 22 : fsp = file_fsp(req, fnum);
4804 :
4805 22 : if ((fnum != 0xFFFF) && !check_fsp(conn, req, fsp)) {
4806 8 : return;
4807 : }
4808 :
4809 12 : if (!fsp) {
4810 5 : files_forall(req->sconn, file_sync_one_fn, conn);
4811 : } else {
4812 7 : NTSTATUS status = sync_file(conn, fsp, True);
4813 7 : if (!NT_STATUS_IS_OK(status)) {
4814 0 : DEBUG(5,("reply_flush: sync_file for %s returned %s\n",
4815 : fsp_str_dbg(fsp), nt_errstr(status)));
4816 0 : reply_nterror(req, status);
4817 0 : END_PROFILE(SMBflush);
4818 0 : return;
4819 : }
4820 7 : if (fsp->fsp_flags.modified) {
4821 7 : trigger_write_time_update_immediate(fsp);
4822 : }
4823 : }
4824 :
4825 12 : reply_smb1_outbuf(req, 0, 0);
4826 :
4827 12 : DEBUG(3,("flush\n"));
4828 12 : END_PROFILE(SMBflush);
4829 10 : return;
4830 : }
4831 :
4832 : /****************************************************************************
4833 : Reply to a exit.
4834 : conn POINTER CAN BE NULL HERE !
4835 : ****************************************************************************/
4836 :
4837 : static struct tevent_req *reply_exit_send(struct smb_request *smb1req);
4838 : static void reply_exit_done(struct tevent_req *req);
4839 :
4840 1801 : void reply_exit(struct smb_request *smb1req)
4841 : {
4842 129 : struct tevent_req *req;
4843 :
4844 : /*
4845 : * Don't setup the profile charge here, take
4846 : * it in reply_exit_done(). Not strictly correct
4847 : * but better than the other SMB1 async
4848 : * code that double-charges at the moment.
4849 : */
4850 1801 : req = reply_exit_send(smb1req);
4851 1801 : if (req == NULL) {
4852 : /* Not going async, profile here. */
4853 0 : START_PROFILE(SMBexit);
4854 0 : reply_force_doserror(smb1req, ERRDOS, ERRnomem);
4855 0 : END_PROFILE(SMBexit);
4856 0 : return;
4857 : }
4858 :
4859 : /* We're async. This will complete later. */
4860 1801 : tevent_req_set_callback(req, reply_exit_done, smb1req);
4861 1801 : return;
4862 : }
4863 :
4864 : struct reply_exit_state {
4865 : struct tevent_queue *wait_queue;
4866 : };
4867 :
4868 : static void reply_exit_wait_done(struct tevent_req *subreq);
4869 :
4870 : /****************************************************************************
4871 : Async SMB1 exit.
4872 : Note, on failure here we deallocate and return NULL to allow the caller to
4873 : SMB1 return an error of ERRnomem immediately.
4874 : ****************************************************************************/
4875 :
4876 1801 : static struct tevent_req *reply_exit_send(struct smb_request *smb1req)
4877 : {
4878 129 : struct tevent_req *req;
4879 129 : struct reply_exit_state *state;
4880 129 : struct tevent_req *subreq;
4881 129 : files_struct *fsp;
4882 1801 : struct smbd_server_connection *sconn = smb1req->sconn;
4883 :
4884 1801 : req = tevent_req_create(smb1req, &state,
4885 : struct reply_exit_state);
4886 1801 : if (req == NULL) {
4887 0 : return NULL;
4888 : }
4889 1801 : state->wait_queue = tevent_queue_create(state,
4890 : "reply_exit_wait_queue");
4891 1801 : if (tevent_req_nomem(state->wait_queue, req)) {
4892 0 : TALLOC_FREE(req);
4893 0 : return NULL;
4894 : }
4895 :
4896 2083 : for (fsp = sconn->files; fsp; fsp = fsp->next) {
4897 282 : if (fsp->file_pid != smb1req->smbpid) {
4898 36 : continue;
4899 : }
4900 246 : if (fsp->vuid != smb1req->vuid) {
4901 0 : continue;
4902 : }
4903 : /*
4904 : * Flag the file as close in progress.
4905 : * This will prevent any more IO being
4906 : * done on it.
4907 : */
4908 246 : fsp->fsp_flags.closing = true;
4909 :
4910 246 : if (fsp->num_aio_requests > 0) {
4911 : /*
4912 : * Now wait until all aio requests on this fsp are
4913 : * finished.
4914 : *
4915 : * We don't set a callback, as we just want to block the
4916 : * wait queue and the talloc_free() of fsp->aio_request
4917 : * will remove the item from the wait queue.
4918 : */
4919 0 : subreq = tevent_queue_wait_send(fsp->aio_requests,
4920 : sconn->ev_ctx,
4921 0 : state->wait_queue);
4922 0 : if (tevent_req_nomem(subreq, req)) {
4923 0 : TALLOC_FREE(req);
4924 0 : return NULL;
4925 : }
4926 : }
4927 : }
4928 :
4929 : /*
4930 : * Now we add our own waiter to the end of the queue,
4931 : * this way we get notified when all pending requests are finished
4932 : * and reply to the outstanding SMB1 request.
4933 : */
4934 1930 : subreq = tevent_queue_wait_send(state,
4935 : sconn->ev_ctx,
4936 1801 : state->wait_queue);
4937 1801 : if (tevent_req_nomem(subreq, req)) {
4938 0 : TALLOC_FREE(req);
4939 0 : return NULL;
4940 : }
4941 :
4942 : /*
4943 : * We're really going async - move the SMB1 request from
4944 : * a talloc stackframe above us to the conn talloc-context.
4945 : * We need this to stick around until the wait_done
4946 : * callback is invoked.
4947 : */
4948 1801 : smb1req = talloc_move(sconn, &smb1req);
4949 :
4950 1801 : tevent_req_set_callback(subreq, reply_exit_wait_done, req);
4951 :
4952 1801 : return req;
4953 : }
4954 :
4955 1801 : static void reply_exit_wait_done(struct tevent_req *subreq)
4956 : {
4957 1801 : struct tevent_req *req = tevent_req_callback_data(
4958 : subreq, struct tevent_req);
4959 :
4960 1801 : tevent_queue_wait_recv(subreq);
4961 1801 : TALLOC_FREE(subreq);
4962 1801 : tevent_req_done(req);
4963 1801 : }
4964 :
4965 1801 : static NTSTATUS reply_exit_recv(struct tevent_req *req)
4966 : {
4967 1801 : return tevent_req_simple_recv_ntstatus(req);
4968 : }
4969 :
4970 1801 : static void reply_exit_done(struct tevent_req *req)
4971 : {
4972 1801 : struct smb_request *smb1req = tevent_req_callback_data(
4973 : req, struct smb_request);
4974 1801 : struct smbd_server_connection *sconn = smb1req->sconn;
4975 1801 : struct smbXsrv_connection *xconn = smb1req->xconn;
4976 1801 : NTTIME now = timeval_to_nttime(&smb1req->request_time);
4977 1801 : struct smbXsrv_session *session = NULL;
4978 129 : files_struct *fsp, *next;
4979 129 : NTSTATUS status;
4980 :
4981 : /*
4982 : * Take the profile charge here. Not strictly
4983 : * correct but better than the other SMB1 async
4984 : * code that double-charges at the moment.
4985 : */
4986 1801 : START_PROFILE(SMBexit);
4987 :
4988 1801 : status = reply_exit_recv(req);
4989 1801 : TALLOC_FREE(req);
4990 1801 : if (!NT_STATUS_IS_OK(status)) {
4991 0 : TALLOC_FREE(smb1req);
4992 0 : END_PROFILE(SMBexit);
4993 0 : exit_server(__location__ ": reply_exit_recv failed");
4994 : return;
4995 : }
4996 :
4997 : /*
4998 : * Ensure the session is still valid.
4999 : */
5000 1930 : status = smb1srv_session_lookup(xconn,
5001 1801 : smb1req->vuid,
5002 : now,
5003 : &session);
5004 1801 : if (!NT_STATUS_IS_OK(status)) {
5005 4 : reply_force_doserror(smb1req, ERRSRV, ERRinvnid);
5006 4 : smb_request_done(smb1req);
5007 4 : END_PROFILE(SMBexit);
5008 4 : return;
5009 : }
5010 :
5011 : /*
5012 : * Ensure the vuid is still valid - no one
5013 : * called reply_ulogoffX() in the meantime.
5014 : * reply_exit() doesn't have AS_USER set, so
5015 : * use set_current_user_info() directly.
5016 : * This is the same logic as in switch_message().
5017 : */
5018 1797 : if (session->global->auth_session_info != NULL) {
5019 1797 : set_current_user_info(
5020 1668 : session->global->auth_session_info->unix_info->sanitized_username,
5021 1797 : session->global->auth_session_info->unix_info->unix_name,
5022 1797 : session->global->auth_session_info->info->domain_name);
5023 : }
5024 :
5025 : /* No more aio - do the actual closes. */
5026 2079 : for (fsp = sconn->files; fsp; fsp = next) {
5027 4 : bool ok;
5028 282 : next = fsp->next;
5029 :
5030 282 : if (fsp->file_pid != smb1req->smbpid) {
5031 36 : continue;
5032 : }
5033 246 : if (fsp->vuid != smb1req->vuid) {
5034 0 : continue;
5035 : }
5036 246 : if (!fsp->fsp_flags.closing) {
5037 0 : continue;
5038 : }
5039 :
5040 : /*
5041 : * reply_exit() has the DO_CHDIR flag set.
5042 : */
5043 246 : ok = chdir_current_service(fsp->conn);
5044 246 : if (!ok) {
5045 0 : reply_force_doserror(smb1req, ERRSRV, ERRinvnid);
5046 0 : smb_request_done(smb1req);
5047 0 : END_PROFILE(SMBexit);
5048 0 : return;
5049 : }
5050 246 : close_file_free(NULL, &fsp, SHUTDOWN_CLOSE);
5051 : }
5052 :
5053 1797 : reply_smb1_outbuf(smb1req, 0, 0);
5054 : /*
5055 : * The following call is needed to push the
5056 : * reply data back out the socket after async
5057 : * return. Plus it frees smb1req.
5058 : */
5059 1797 : smb_request_done(smb1req);
5060 1797 : DBG_INFO("reply_exit complete\n");
5061 1797 : END_PROFILE(SMBexit);
5062 1668 : return;
5063 : }
5064 :
5065 : static struct tevent_req *reply_close_send(struct smb_request *smb1req,
5066 : files_struct *fsp);
5067 : static void reply_close_done(struct tevent_req *req);
5068 :
5069 36230 : void reply_close(struct smb_request *smb1req)
5070 : {
5071 36230 : connection_struct *conn = smb1req->conn;
5072 36230 : NTSTATUS status = NT_STATUS_OK;
5073 36230 : files_struct *fsp = NULL;
5074 36230 : START_PROFILE(SMBclose);
5075 :
5076 36230 : if (smb1req->wct < 3) {
5077 0 : reply_nterror(smb1req, NT_STATUS_INVALID_PARAMETER);
5078 0 : END_PROFILE(SMBclose);
5079 0 : return;
5080 : }
5081 :
5082 36230 : fsp = file_fsp(smb1req, SVAL(smb1req->vwv+0, 0));
5083 :
5084 : /*
5085 : * We can only use check_fsp if we know it's not a directory.
5086 : */
5087 :
5088 36230 : if (!check_fsp_open(conn, smb1req, fsp)) {
5089 2505 : END_PROFILE(SMBclose);
5090 2505 : return;
5091 : }
5092 :
5093 33725 : DBG_NOTICE("Close %s fd=%d %s (numopen=%d)\n",
5094 : fsp->fsp_flags.is_directory ?
5095 : "directory" : "file",
5096 : fsp_get_pathref_fd(fsp), fsp_fnum_dbg(fsp),
5097 : conn->num_files_open);
5098 :
5099 33725 : if (!fsp->fsp_flags.is_directory) {
5100 283 : time_t t;
5101 :
5102 : /*
5103 : * Take care of any time sent in the close.
5104 : */
5105 :
5106 30873 : t = srv_make_unix_date3(smb1req->vwv+1);
5107 30873 : set_close_write_time(fsp, time_t_to_full_timespec(t));
5108 : }
5109 :
5110 33725 : if (fsp->num_aio_requests != 0) {
5111 0 : struct tevent_req *req;
5112 :
5113 0 : req = reply_close_send(smb1req, fsp);
5114 0 : if (req == NULL) {
5115 0 : status = NT_STATUS_NO_MEMORY;
5116 0 : goto done;
5117 : }
5118 : /* We're async. This will complete later. */
5119 0 : tevent_req_set_callback(req, reply_close_done, smb1req);
5120 0 : END_PROFILE(SMBclose);
5121 0 : return;
5122 : }
5123 :
5124 : /*
5125 : * close_file_free() returns the unix errno if an error was detected on
5126 : * close - normally this is due to a disk full error. If not then it
5127 : * was probably an I/O error.
5128 : */
5129 :
5130 33725 : status = close_file_free(smb1req, &fsp, NORMAL_CLOSE);
5131 33725 : done:
5132 33725 : if (!NT_STATUS_IS_OK(status)) {
5133 0 : reply_nterror(smb1req, status);
5134 0 : END_PROFILE(SMBclose);
5135 0 : return;
5136 : }
5137 :
5138 33725 : reply_smb1_outbuf(smb1req, 0, 0);
5139 33725 : END_PROFILE(SMBclose);
5140 33416 : return;
5141 : }
5142 :
5143 : struct reply_close_state {
5144 : files_struct *fsp;
5145 : struct tevent_queue *wait_queue;
5146 : };
5147 :
5148 : static void reply_close_wait_done(struct tevent_req *subreq);
5149 :
5150 : /****************************************************************************
5151 : Async SMB1 close.
5152 : Note, on failure here we deallocate and return NULL to allow the caller to
5153 : SMB1 return an error of ERRnomem immediately.
5154 : ****************************************************************************/
5155 :
5156 0 : static struct tevent_req *reply_close_send(struct smb_request *smb1req,
5157 : files_struct *fsp)
5158 : {
5159 0 : struct tevent_req *req;
5160 0 : struct reply_close_state *state;
5161 0 : struct tevent_req *subreq;
5162 0 : struct smbd_server_connection *sconn = smb1req->sconn;
5163 :
5164 0 : req = tevent_req_create(smb1req, &state,
5165 : struct reply_close_state);
5166 0 : if (req == NULL) {
5167 0 : return NULL;
5168 : }
5169 0 : state->wait_queue = tevent_queue_create(state,
5170 : "reply_close_wait_queue");
5171 0 : if (tevent_req_nomem(state->wait_queue, req)) {
5172 0 : TALLOC_FREE(req);
5173 0 : return NULL;
5174 : }
5175 :
5176 : /*
5177 : * Flag the file as close in progress.
5178 : * This will prevent any more IO being
5179 : * done on it.
5180 : */
5181 0 : fsp->fsp_flags.closing = true;
5182 :
5183 : /*
5184 : * Now wait until all aio requests on this fsp are
5185 : * finished.
5186 : *
5187 : * We don't set a callback, as we just want to block the
5188 : * wait queue and the talloc_free() of fsp->aio_request
5189 : * will remove the item from the wait queue.
5190 : */
5191 0 : subreq = tevent_queue_wait_send(fsp->aio_requests,
5192 : sconn->ev_ctx,
5193 0 : state->wait_queue);
5194 0 : if (tevent_req_nomem(subreq, req)) {
5195 0 : TALLOC_FREE(req);
5196 0 : return NULL;
5197 : }
5198 :
5199 : /*
5200 : * Now we add our own waiter to the end of the queue,
5201 : * this way we get notified when all pending requests are finished
5202 : * and reply to the outstanding SMB1 request.
5203 : */
5204 0 : subreq = tevent_queue_wait_send(state,
5205 : sconn->ev_ctx,
5206 0 : state->wait_queue);
5207 0 : if (tevent_req_nomem(subreq, req)) {
5208 0 : TALLOC_FREE(req);
5209 0 : return NULL;
5210 : }
5211 :
5212 : /*
5213 : * We're really going async - move the SMB1 request from
5214 : * a talloc stackframe above us to the conn talloc-context.
5215 : * We need this to stick around until the wait_done
5216 : * callback is invoked.
5217 : */
5218 0 : smb1req = talloc_move(sconn, &smb1req);
5219 :
5220 0 : tevent_req_set_callback(subreq, reply_close_wait_done, req);
5221 :
5222 0 : return req;
5223 : }
5224 :
5225 0 : static void reply_close_wait_done(struct tevent_req *subreq)
5226 : {
5227 0 : struct tevent_req *req = tevent_req_callback_data(
5228 : subreq, struct tevent_req);
5229 :
5230 0 : tevent_queue_wait_recv(subreq);
5231 0 : TALLOC_FREE(subreq);
5232 0 : tevent_req_done(req);
5233 0 : }
5234 :
5235 0 : static NTSTATUS reply_close_recv(struct tevent_req *req)
5236 : {
5237 0 : return tevent_req_simple_recv_ntstatus(req);
5238 : }
5239 :
5240 0 : static void reply_close_done(struct tevent_req *req)
5241 : {
5242 0 : struct smb_request *smb1req = tevent_req_callback_data(
5243 : req, struct smb_request);
5244 0 : struct reply_close_state *state = tevent_req_data(req,
5245 : struct reply_close_state);
5246 0 : NTSTATUS status;
5247 :
5248 0 : status = reply_close_recv(req);
5249 0 : TALLOC_FREE(req);
5250 0 : if (!NT_STATUS_IS_OK(status)) {
5251 0 : TALLOC_FREE(smb1req);
5252 0 : exit_server(__location__ ": reply_close_recv failed");
5253 : return;
5254 : }
5255 :
5256 0 : status = close_file_free(smb1req, &state->fsp, NORMAL_CLOSE);
5257 0 : if (NT_STATUS_IS_OK(status)) {
5258 0 : reply_smb1_outbuf(smb1req, 0, 0);
5259 : } else {
5260 0 : reply_nterror(smb1req, status);
5261 : }
5262 : /*
5263 : * The following call is needed to push the
5264 : * reply data back out the socket after async
5265 : * return. Plus it frees smb1req.
5266 : */
5267 0 : smb_request_done(smb1req);
5268 : }
5269 :
5270 : /****************************************************************************
5271 : Reply to a writeclose (Core+ protocol).
5272 : ****************************************************************************/
5273 :
5274 45 : void reply_writeclose(struct smb_request *req)
5275 : {
5276 45 : connection_struct *conn = req->conn;
5277 9 : size_t numtowrite;
5278 9 : size_t remaining;
5279 45 : ssize_t nwritten = -1;
5280 45 : NTSTATUS close_status = NT_STATUS_OK;
5281 9 : off_t startpos;
5282 9 : const char *data;
5283 9 : struct timespec mtime;
5284 9 : files_struct *fsp;
5285 9 : struct lock_struct lock;
5286 :
5287 45 : START_PROFILE(SMBwriteclose);
5288 :
5289 45 : if (req->wct < 6) {
5290 0 : reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
5291 0 : END_PROFILE(SMBwriteclose);
5292 0 : return;
5293 : }
5294 :
5295 45 : fsp = file_fsp(req, SVAL(req->vwv+0, 0));
5296 :
5297 45 : if (!check_fsp(conn, req, fsp)) {
5298 15 : END_PROFILE(SMBwriteclose);
5299 15 : return;
5300 : }
5301 30 : if (!CHECK_WRITE(fsp)) {
5302 0 : reply_nterror(req, NT_STATUS_ACCESS_DENIED);
5303 0 : END_PROFILE(SMBwriteclose);
5304 0 : return;
5305 : }
5306 :
5307 30 : numtowrite = SVAL(req->vwv+1, 0);
5308 30 : startpos = IVAL_TO_SMB_OFF_T(req->vwv+2, 0);
5309 30 : mtime = time_t_to_full_timespec(srv_make_unix_date3(req->vwv+4));
5310 30 : data = (const char *)req->buf + 1;
5311 :
5312 : /*
5313 : * Ensure client isn't asking us to write more than
5314 : * they sent. CVE-2017-12163.
5315 : */
5316 30 : remaining = smbreq_bufrem(req, data);
5317 30 : if (numtowrite > remaining) {
5318 0 : reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
5319 0 : END_PROFILE(SMBwriteclose);
5320 0 : return;
5321 : }
5322 :
5323 30 : if (fsp->print_file == NULL) {
5324 30 : init_strict_lock_struct(fsp,
5325 30 : (uint64_t)req->smbpid,
5326 : (uint64_t)startpos,
5327 : (uint64_t)numtowrite,
5328 : WRITE_LOCK,
5329 : lp_posix_cifsu_locktype(fsp),
5330 : &lock);
5331 :
5332 30 : if (!SMB_VFS_STRICT_LOCK_CHECK(conn, fsp, &lock)) {
5333 0 : reply_nterror(req, NT_STATUS_FILE_LOCK_CONFLICT);
5334 0 : END_PROFILE(SMBwriteclose);
5335 0 : return;
5336 : }
5337 : }
5338 :
5339 30 : nwritten = write_file(req,fsp,data,startpos,numtowrite);
5340 :
5341 30 : set_close_write_time(fsp, mtime);
5342 :
5343 : /*
5344 : * More insanity. W2K only closes the file if writelen > 0.
5345 : * JRA.
5346 : */
5347 :
5348 30 : DEBUG(3,("writeclose %s num=%d wrote=%d (numopen=%d)\n",
5349 : fsp_fnum_dbg(fsp), (int)numtowrite, (int)nwritten,
5350 : (numtowrite) ? conn->num_files_open - 1 : conn->num_files_open));
5351 :
5352 30 : if (numtowrite) {
5353 20 : DEBUG(3,("reply_writeclose: zero length write doesn't close "
5354 : "file %s\n", fsp_str_dbg(fsp)));
5355 20 : close_status = close_file_free(req, &fsp, NORMAL_CLOSE);
5356 : }
5357 :
5358 30 : if(((nwritten == 0) && (numtowrite != 0))||(nwritten < 0)) {
5359 0 : reply_nterror(req, NT_STATUS_DISK_FULL);
5360 0 : goto out;
5361 : }
5362 :
5363 30 : if(!NT_STATUS_IS_OK(close_status)) {
5364 0 : reply_nterror(req, close_status);
5365 0 : goto out;
5366 : }
5367 :
5368 30 : reply_smb1_outbuf(req, 1, 0);
5369 :
5370 30 : SSVAL(req->outbuf,smb_vwv0,nwritten);
5371 :
5372 30 : out:
5373 :
5374 30 : END_PROFILE(SMBwriteclose);
5375 24 : return;
5376 : }
5377 :
5378 : #undef DBGC_CLASS
5379 : #define DBGC_CLASS DBGC_LOCKING
5380 :
5381 : /****************************************************************************
5382 : Reply to a lock.
5383 : ****************************************************************************/
5384 :
5385 : static void reply_lock_done(struct tevent_req *subreq);
5386 :
5387 22 : void reply_lock(struct smb_request *req)
5388 : {
5389 22 : struct tevent_req *subreq = NULL;
5390 22 : connection_struct *conn = req->conn;
5391 0 : files_struct *fsp;
5392 22 : struct smbd_lock_element *lck = NULL;
5393 :
5394 22 : START_PROFILE(SMBlock);
5395 :
5396 22 : if (req->wct < 5) {
5397 0 : reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
5398 0 : END_PROFILE(SMBlock);
5399 0 : return;
5400 : }
5401 :
5402 22 : fsp = file_fsp(req, SVAL(req->vwv+0, 0));
5403 :
5404 22 : if (!check_fsp(conn, req, fsp)) {
5405 0 : END_PROFILE(SMBlock);
5406 0 : return;
5407 : }
5408 :
5409 22 : lck = talloc(req, struct smbd_lock_element);
5410 22 : if (lck == NULL) {
5411 0 : reply_nterror(req, NT_STATUS_NO_MEMORY);
5412 0 : END_PROFILE(SMBlock);
5413 0 : return;
5414 : }
5415 :
5416 22 : *lck = (struct smbd_lock_element) {
5417 22 : .req_guid = smbd_request_guid(req, 0),
5418 22 : .smblctx = req->smbpid,
5419 : .brltype = WRITE_LOCK,
5420 : .lock_flav = WINDOWS_LOCK,
5421 22 : .count = IVAL(req->vwv+1, 0),
5422 22 : .offset = IVAL(req->vwv+3, 0),
5423 : };
5424 :
5425 22 : DBG_NOTICE("lock fd=%d %s offset=%"PRIu64" count=%"PRIu64"\n",
5426 : fsp_get_io_fd(fsp),
5427 : fsp_fnum_dbg(fsp),
5428 : lck->offset,
5429 : lck->count);
5430 :
5431 22 : subreq = smbd_smb1_do_locks_send(
5432 : fsp,
5433 22 : req->sconn->ev_ctx,
5434 : &req,
5435 : fsp,
5436 : 0,
5437 : false, /* large_offset */
5438 : 1,
5439 : lck);
5440 22 : if (subreq == NULL) {
5441 0 : reply_nterror(req, NT_STATUS_NO_MEMORY);
5442 0 : END_PROFILE(SMBlock);
5443 0 : return;
5444 : }
5445 22 : tevent_req_set_callback(subreq, reply_lock_done, NULL);
5446 22 : END_PROFILE(SMBlock);
5447 : }
5448 :
5449 22 : static void reply_lock_done(struct tevent_req *subreq)
5450 : {
5451 22 : struct smb_request *req = NULL;
5452 0 : NTSTATUS status;
5453 0 : bool ok;
5454 :
5455 22 : START_PROFILE(SMBlock);
5456 :
5457 22 : ok = smbd_smb1_do_locks_extract_smbreq(subreq, talloc_tos(), &req);
5458 22 : SMB_ASSERT(ok);
5459 :
5460 22 : status = smbd_smb1_do_locks_recv(subreq);
5461 22 : TALLOC_FREE(subreq);
5462 :
5463 22 : if (NT_STATUS_IS_OK(status)) {
5464 14 : reply_smb1_outbuf(req, 0, 0);
5465 : } else {
5466 8 : reply_nterror(req, status);
5467 : }
5468 :
5469 22 : ok = smb1_srv_send(req->xconn,
5470 22 : (char *)req->outbuf,
5471 : true,
5472 22 : req->seqnum + 1,
5473 22 : IS_CONN_ENCRYPTED(req->conn));
5474 22 : if (!ok) {
5475 0 : exit_server_cleanly("reply_lock_done: smb1_srv_send failed.");
5476 : }
5477 22 : TALLOC_FREE(req);
5478 22 : END_PROFILE(SMBlock);
5479 22 : }
5480 :
5481 : /****************************************************************************
5482 : Reply to a unlock.
5483 : ****************************************************************************/
5484 :
5485 22 : void reply_unlock(struct smb_request *req)
5486 : {
5487 22 : connection_struct *conn = req->conn;
5488 0 : NTSTATUS status;
5489 0 : files_struct *fsp;
5490 0 : struct smbd_lock_element lck;
5491 :
5492 22 : START_PROFILE(SMBunlock);
5493 :
5494 22 : if (req->wct < 5) {
5495 0 : reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
5496 0 : END_PROFILE(SMBunlock);
5497 0 : return;
5498 : }
5499 :
5500 22 : fsp = file_fsp(req, SVAL(req->vwv+0, 0));
5501 :
5502 22 : if (!check_fsp(conn, req, fsp)) {
5503 0 : END_PROFILE(SMBunlock);
5504 0 : return;
5505 : }
5506 :
5507 22 : lck = (struct smbd_lock_element) {
5508 22 : .req_guid = smbd_request_guid(req, 0),
5509 22 : .smblctx = req->smbpid,
5510 : .brltype = UNLOCK_LOCK,
5511 : .lock_flav = WINDOWS_LOCK,
5512 22 : .offset = IVAL(req->vwv+3, 0),
5513 22 : .count = IVAL(req->vwv+1, 0),
5514 : };
5515 :
5516 22 : status = smbd_do_unlocking(req, fsp, 1, &lck);
5517 :
5518 22 : if (!NT_STATUS_IS_OK(status)) {
5519 10 : reply_nterror(req, status);
5520 10 : END_PROFILE(SMBunlock);
5521 10 : return;
5522 : }
5523 :
5524 12 : DBG_NOTICE("unlock fd=%d %s offset=%"PRIu64" count=%"PRIu64"\n",
5525 : fsp_get_io_fd(fsp),
5526 : fsp_fnum_dbg(fsp),
5527 : lck.offset,
5528 : lck.count);
5529 :
5530 12 : reply_smb1_outbuf(req, 0, 0);
5531 :
5532 12 : END_PROFILE(SMBunlock);
5533 12 : return;
5534 : }
5535 :
5536 : #undef DBGC_CLASS
5537 : #define DBGC_CLASS DBGC_ALL
5538 :
5539 : /****************************************************************************
5540 : Reply to a tdis.
5541 : conn POINTER CAN BE NULL HERE !
5542 : ****************************************************************************/
5543 :
5544 : static struct tevent_req *reply_tdis_send(struct smb_request *smb1req);
5545 : static void reply_tdis_done(struct tevent_req *req);
5546 :
5547 6818 : void reply_tdis(struct smb_request *smb1req)
5548 : {
5549 6818 : connection_struct *conn = smb1req->conn;
5550 16 : struct tevent_req *req;
5551 :
5552 : /*
5553 : * Don't setup the profile charge here, take
5554 : * it in reply_tdis_done(). Not strictly correct
5555 : * but better than the other SMB1 async
5556 : * code that double-charges at the moment.
5557 : */
5558 :
5559 6818 : if (conn == NULL) {
5560 : /* Not going async, profile here. */
5561 16 : START_PROFILE(SMBtdis);
5562 16 : DBG_INFO("Invalid connection in tdis\n");
5563 16 : reply_force_doserror(smb1req, ERRSRV, ERRinvnid);
5564 16 : END_PROFILE(SMBtdis);
5565 16 : return;
5566 : }
5567 :
5568 6802 : req = reply_tdis_send(smb1req);
5569 6802 : if (req == NULL) {
5570 : /* Not going async, profile here. */
5571 0 : START_PROFILE(SMBtdis);
5572 0 : reply_force_doserror(smb1req, ERRDOS, ERRnomem);
5573 0 : END_PROFILE(SMBtdis);
5574 0 : return;
5575 : }
5576 : /* We're async. This will complete later. */
5577 6802 : tevent_req_set_callback(req, reply_tdis_done, smb1req);
5578 6802 : return;
5579 : }
5580 :
5581 : struct reply_tdis_state {
5582 : struct tevent_queue *wait_queue;
5583 : };
5584 :
5585 : static void reply_tdis_wait_done(struct tevent_req *subreq);
5586 :
5587 : /****************************************************************************
5588 : Async SMB1 tdis.
5589 : Note, on failure here we deallocate and return NULL to allow the caller to
5590 : SMB1 return an error of ERRnomem immediately.
5591 : ****************************************************************************/
5592 :
5593 6802 : static struct tevent_req *reply_tdis_send(struct smb_request *smb1req)
5594 : {
5595 16 : struct tevent_req *req;
5596 16 : struct reply_tdis_state *state;
5597 16 : struct tevent_req *subreq;
5598 6802 : connection_struct *conn = smb1req->conn;
5599 16 : files_struct *fsp;
5600 :
5601 6802 : req = tevent_req_create(smb1req, &state,
5602 : struct reply_tdis_state);
5603 6802 : if (req == NULL) {
5604 0 : return NULL;
5605 : }
5606 6802 : state->wait_queue = tevent_queue_create(state, "reply_tdis_wait_queue");
5607 6802 : if (tevent_req_nomem(state->wait_queue, req)) {
5608 0 : TALLOC_FREE(req);
5609 0 : return NULL;
5610 : }
5611 :
5612 : /*
5613 : * Make sure that no new request will be able to use this tcon.
5614 : * This ensures that once all outstanding fsp->aio_requests
5615 : * on this tcon are done, we are safe to close it.
5616 : */
5617 6802 : conn->tcon->status = NT_STATUS_NETWORK_NAME_DELETED;
5618 :
5619 6887 : for (fsp = conn->sconn->files; fsp; fsp = fsp->next) {
5620 85 : if (fsp->conn != conn) {
5621 4 : continue;
5622 : }
5623 : /*
5624 : * Flag the file as close in progress.
5625 : * This will prevent any more IO being
5626 : * done on it. Not strictly needed, but
5627 : * doesn't hurt to flag it as closing.
5628 : */
5629 81 : fsp->fsp_flags.closing = true;
5630 :
5631 81 : if (fsp->num_aio_requests > 0) {
5632 : /*
5633 : * Now wait until all aio requests on this fsp are
5634 : * finished.
5635 : *
5636 : * We don't set a callback, as we just want to block the
5637 : * wait queue and the talloc_free() of fsp->aio_request
5638 : * will remove the item from the wait queue.
5639 : */
5640 0 : subreq = tevent_queue_wait_send(fsp->aio_requests,
5641 0 : conn->sconn->ev_ctx,
5642 0 : state->wait_queue);
5643 0 : if (tevent_req_nomem(subreq, req)) {
5644 0 : TALLOC_FREE(req);
5645 0 : return NULL;
5646 : }
5647 : }
5648 : }
5649 :
5650 : /*
5651 : * Now we add our own waiter to the end of the queue,
5652 : * this way we get notified when all pending requests are finished
5653 : * and reply to the outstanding SMB1 request.
5654 : */
5655 6818 : subreq = tevent_queue_wait_send(state,
5656 6802 : conn->sconn->ev_ctx,
5657 6802 : state->wait_queue);
5658 6802 : if (tevent_req_nomem(subreq, req)) {
5659 0 : TALLOC_FREE(req);
5660 0 : return NULL;
5661 : }
5662 :
5663 : /*
5664 : * We're really going async - move the SMB1 request from
5665 : * a talloc stackframe above us to the sconn talloc-context.
5666 : * We need this to stick around until the wait_done
5667 : * callback is invoked.
5668 : */
5669 6802 : smb1req = talloc_move(smb1req->sconn, &smb1req);
5670 :
5671 6802 : tevent_req_set_callback(subreq, reply_tdis_wait_done, req);
5672 :
5673 6802 : return req;
5674 : }
5675 :
5676 6802 : static void reply_tdis_wait_done(struct tevent_req *subreq)
5677 : {
5678 6802 : struct tevent_req *req = tevent_req_callback_data(
5679 : subreq, struct tevent_req);
5680 :
5681 6802 : tevent_queue_wait_recv(subreq);
5682 6802 : TALLOC_FREE(subreq);
5683 6802 : tevent_req_done(req);
5684 6802 : }
5685 :
5686 6802 : static NTSTATUS reply_tdis_recv(struct tevent_req *req)
5687 : {
5688 6802 : return tevent_req_simple_recv_ntstatus(req);
5689 : }
5690 :
5691 6802 : static void reply_tdis_done(struct tevent_req *req)
5692 : {
5693 6802 : struct smb_request *smb1req = tevent_req_callback_data(
5694 : req, struct smb_request);
5695 16 : NTSTATUS status;
5696 6802 : struct smbXsrv_tcon *tcon = smb1req->conn->tcon;
5697 16 : bool ok;
5698 :
5699 : /*
5700 : * Take the profile charge here. Not strictly
5701 : * correct but better than the other SMB1 async
5702 : * code that double-charges at the moment.
5703 : */
5704 6802 : START_PROFILE(SMBtdis);
5705 :
5706 6802 : status = reply_tdis_recv(req);
5707 6802 : TALLOC_FREE(req);
5708 6802 : if (!NT_STATUS_IS_OK(status)) {
5709 0 : TALLOC_FREE(smb1req);
5710 0 : END_PROFILE(SMBtdis);
5711 0 : exit_server(__location__ ": reply_tdis_recv failed");
5712 : return;
5713 : }
5714 :
5715 : /*
5716 : * As we've been awoken, we may have changed
5717 : * directory in the meantime.
5718 : * reply_tdis() has the DO_CHDIR flag set.
5719 : */
5720 6802 : ok = chdir_current_service(smb1req->conn);
5721 6802 : if (!ok) {
5722 0 : reply_force_doserror(smb1req, ERRSRV, ERRinvnid);
5723 0 : smb_request_done(smb1req);
5724 0 : END_PROFILE(SMBtdis);
5725 : }
5726 :
5727 6802 : status = smbXsrv_tcon_disconnect(tcon,
5728 : smb1req->vuid);
5729 6802 : if (!NT_STATUS_IS_OK(status)) {
5730 0 : TALLOC_FREE(smb1req);
5731 0 : END_PROFILE(SMBtdis);
5732 0 : exit_server(__location__ ": smbXsrv_tcon_disconnect failed");
5733 : return;
5734 : }
5735 :
5736 : /* smbXsrv_tcon_disconnect frees smb1req->conn. */
5737 6802 : smb1req->conn = NULL;
5738 :
5739 6802 : TALLOC_FREE(tcon);
5740 :
5741 6802 : reply_smb1_outbuf(smb1req, 0, 0);
5742 : /*
5743 : * The following call is needed to push the
5744 : * reply data back out the socket after async
5745 : * return. Plus it frees smb1req.
5746 : */
5747 6802 : smb_request_done(smb1req);
5748 6802 : END_PROFILE(SMBtdis);
5749 : }
5750 :
5751 : /****************************************************************************
5752 : Reply to a echo.
5753 : conn POINTER CAN BE NULL HERE !
5754 : ****************************************************************************/
5755 :
5756 31 : void reply_echo(struct smb_request *req)
5757 : {
5758 31 : connection_struct *conn = req->conn;
5759 0 : int smb_reverb;
5760 0 : int seq_num;
5761 :
5762 31 : START_PROFILE(SMBecho);
5763 :
5764 31 : if (req->wct < 1) {
5765 0 : reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
5766 0 : END_PROFILE(SMBecho);
5767 0 : return;
5768 : }
5769 :
5770 31 : smb_reverb = SVAL(req->vwv+0, 0);
5771 :
5772 31 : reply_smb1_outbuf(req, 1, req->buflen);
5773 :
5774 : /* copy any incoming data back out */
5775 31 : if (req->buflen > 0) {
5776 29 : memcpy(smb_buf(req->outbuf), req->buf, req->buflen);
5777 : }
5778 :
5779 31 : if (smb_reverb > 100) {
5780 0 : DEBUG(0,("large reverb (%d)?? Setting to 100\n",smb_reverb));
5781 0 : smb_reverb = 100;
5782 : }
5783 :
5784 62 : for (seq_num = 1 ; seq_num <= smb_reverb ; seq_num++) {
5785 :
5786 31 : SSVAL(req->outbuf,smb_vwv0,seq_num);
5787 :
5788 31 : show_msg((char *)req->outbuf);
5789 31 : if (!smb1_srv_send(req->xconn,
5790 31 : (char *)req->outbuf,
5791 : true,
5792 31 : req->seqnum + 1,
5793 31 : IS_CONN_ENCRYPTED(conn) || req->encrypted))
5794 0 : exit_server_cleanly("reply_echo: smb1_srv_send failed.");
5795 : }
5796 :
5797 31 : DEBUG(3,("echo %d times\n", smb_reverb));
5798 :
5799 31 : TALLOC_FREE(req->outbuf);
5800 :
5801 31 : END_PROFILE(SMBecho);
5802 31 : return;
5803 : }
5804 :
5805 : /****************************************************************************
5806 : Reply to a printopen.
5807 : ****************************************************************************/
5808 :
5809 0 : void reply_printopen(struct smb_request *req)
5810 : {
5811 0 : connection_struct *conn = req->conn;
5812 0 : files_struct *fsp;
5813 0 : NTSTATUS status;
5814 :
5815 0 : START_PROFILE(SMBsplopen);
5816 :
5817 0 : if (req->wct < 2) {
5818 0 : reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
5819 0 : END_PROFILE(SMBsplopen);
5820 0 : return;
5821 : }
5822 :
5823 0 : if (!CAN_PRINT(conn)) {
5824 0 : reply_nterror(req, NT_STATUS_ACCESS_DENIED);
5825 0 : END_PROFILE(SMBsplopen);
5826 0 : return;
5827 : }
5828 :
5829 0 : status = file_new(req, conn, &fsp);
5830 0 : if(!NT_STATUS_IS_OK(status)) {
5831 0 : reply_nterror(req, status);
5832 0 : END_PROFILE(SMBsplopen);
5833 0 : return;
5834 : }
5835 :
5836 : /* Open for exclusive use, write only. */
5837 0 : status = print_spool_open(fsp, NULL, req->vuid);
5838 :
5839 0 : if (!NT_STATUS_IS_OK(status)) {
5840 0 : file_free(req, fsp);
5841 0 : reply_nterror(req, status);
5842 0 : END_PROFILE(SMBsplopen);
5843 0 : return;
5844 : }
5845 :
5846 0 : reply_smb1_outbuf(req, 1, 0);
5847 0 : SSVAL(req->outbuf,smb_vwv0,fsp->fnum);
5848 :
5849 0 : DEBUG(3,("openprint fd=%d %s\n",
5850 : fsp_get_io_fd(fsp), fsp_fnum_dbg(fsp)));
5851 :
5852 0 : END_PROFILE(SMBsplopen);
5853 0 : return;
5854 : }
5855 :
5856 : /****************************************************************************
5857 : Reply to a printclose.
5858 : ****************************************************************************/
5859 :
5860 5 : void reply_printclose(struct smb_request *req)
5861 : {
5862 5 : connection_struct *conn = req->conn;
5863 1 : files_struct *fsp;
5864 1 : NTSTATUS status;
5865 :
5866 5 : START_PROFILE(SMBsplclose);
5867 :
5868 5 : if (req->wct < 1) {
5869 0 : reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
5870 0 : END_PROFILE(SMBsplclose);
5871 0 : return;
5872 : }
5873 :
5874 5 : fsp = file_fsp(req, SVAL(req->vwv+0, 0));
5875 :
5876 5 : if (!check_fsp(conn, req, fsp)) {
5877 0 : END_PROFILE(SMBsplclose);
5878 0 : return;
5879 : }
5880 :
5881 5 : if (!CAN_PRINT(conn)) {
5882 5 : reply_force_doserror(req, ERRSRV, ERRerror);
5883 5 : END_PROFILE(SMBsplclose);
5884 5 : return;
5885 : }
5886 :
5887 0 : DEBUG(3,("printclose fd=%d %s\n",
5888 : fsp_get_io_fd(fsp), fsp_fnum_dbg(fsp)));
5889 :
5890 0 : status = close_file_free(req, &fsp, NORMAL_CLOSE);
5891 :
5892 0 : if(!NT_STATUS_IS_OK(status)) {
5893 0 : reply_nterror(req, status);
5894 0 : END_PROFILE(SMBsplclose);
5895 0 : return;
5896 : }
5897 :
5898 0 : reply_smb1_outbuf(req, 0, 0);
5899 :
5900 0 : END_PROFILE(SMBsplclose);
5901 0 : return;
5902 : }
5903 :
5904 : /****************************************************************************
5905 : Reply to a printqueue.
5906 : ****************************************************************************/
5907 :
5908 0 : void reply_printqueue(struct smb_request *req)
5909 : {
5910 0 : const struct loadparm_substitution *lp_sub =
5911 0 : loadparm_s3_global_substitution();
5912 0 : connection_struct *conn = req->conn;
5913 0 : int max_count;
5914 0 : int start_index;
5915 :
5916 0 : START_PROFILE(SMBsplretq);
5917 :
5918 0 : if (req->wct < 2) {
5919 0 : reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
5920 0 : END_PROFILE(SMBsplretq);
5921 0 : return;
5922 : }
5923 :
5924 0 : max_count = SVAL(req->vwv+0, 0);
5925 0 : start_index = SVAL(req->vwv+1, 0);
5926 :
5927 : /* we used to allow the client to get the cnum wrong, but that
5928 : is really quite gross and only worked when there was only
5929 : one printer - I think we should now only accept it if they
5930 : get it right (tridge) */
5931 0 : if (!CAN_PRINT(conn)) {
5932 0 : reply_nterror(req, NT_STATUS_ACCESS_DENIED);
5933 0 : END_PROFILE(SMBsplretq);
5934 0 : return;
5935 : }
5936 :
5937 0 : reply_smb1_outbuf(req, 2, 3);
5938 0 : SSVAL(req->outbuf,smb_vwv0,0);
5939 0 : SSVAL(req->outbuf,smb_vwv1,0);
5940 0 : SCVAL(smb_buf(req->outbuf),0,1);
5941 0 : SSVAL(smb_buf(req->outbuf),1,0);
5942 :
5943 0 : DEBUG(3,("printqueue start_index=%d max_count=%d\n",
5944 : start_index, max_count));
5945 :
5946 : {
5947 0 : TALLOC_CTX *mem_ctx = talloc_tos();
5948 0 : NTSTATUS status;
5949 0 : WERROR werr;
5950 0 : const char *sharename = lp_servicename(mem_ctx, lp_sub, SNUM(conn));
5951 0 : struct rpc_pipe_client *cli = NULL;
5952 0 : struct dcerpc_binding_handle *b = NULL;
5953 0 : struct policy_handle handle;
5954 0 : struct spoolss_DevmodeContainer devmode_ctr;
5955 0 : union spoolss_JobInfo *info;
5956 0 : uint32_t count;
5957 0 : uint32_t num_to_get;
5958 0 : uint32_t first;
5959 0 : uint32_t i;
5960 :
5961 0 : ZERO_STRUCT(handle);
5962 :
5963 0 : status = rpc_pipe_open_interface(mem_ctx,
5964 : &ndr_table_spoolss,
5965 0 : conn->session_info,
5966 0 : conn->sconn->remote_address,
5967 0 : conn->sconn->local_address,
5968 0 : conn->sconn->msg_ctx,
5969 : &cli);
5970 0 : if (!NT_STATUS_IS_OK(status)) {
5971 0 : DEBUG(0, ("reply_printqueue: "
5972 : "could not connect to spoolss: %s\n",
5973 : nt_errstr(status)));
5974 0 : reply_nterror(req, status);
5975 0 : goto out;
5976 : }
5977 0 : b = cli->binding_handle;
5978 :
5979 0 : ZERO_STRUCT(devmode_ctr);
5980 :
5981 0 : status = dcerpc_spoolss_OpenPrinter(b, mem_ctx,
5982 : sharename,
5983 : NULL, devmode_ctr,
5984 : SEC_FLAG_MAXIMUM_ALLOWED,
5985 : &handle,
5986 : &werr);
5987 0 : if (!NT_STATUS_IS_OK(status)) {
5988 0 : reply_nterror(req, status);
5989 0 : goto out;
5990 : }
5991 0 : if (!W_ERROR_IS_OK(werr)) {
5992 0 : reply_nterror(req, werror_to_ntstatus(werr));
5993 0 : goto out;
5994 : }
5995 :
5996 0 : werr = rpccli_spoolss_enumjobs(cli, mem_ctx,
5997 : &handle,
5998 : 0, /* firstjob */
5999 : 0xff, /* numjobs */
6000 : 2, /* level */
6001 : 0, /* offered */
6002 : &count,
6003 : &info);
6004 0 : if (!W_ERROR_IS_OK(werr)) {
6005 0 : reply_nterror(req, werror_to_ntstatus(werr));
6006 0 : goto out;
6007 : }
6008 :
6009 0 : if (max_count > 0) {
6010 0 : first = start_index;
6011 : } else {
6012 0 : first = start_index + max_count + 1;
6013 : }
6014 :
6015 0 : if (first >= count) {
6016 0 : num_to_get = first;
6017 : } else {
6018 0 : num_to_get = first + MIN(ABS(max_count), count - first);
6019 : }
6020 :
6021 0 : for (i = first; i < num_to_get; i++) {
6022 0 : char blob[28];
6023 0 : char *p = blob;
6024 0 : time_t qtime = spoolss_Time_to_time_t(&info[i].info2.submitted);
6025 0 : int qstatus;
6026 0 : size_t len = 0;
6027 0 : uint16_t qrapjobid = pjobid_to_rap(sharename,
6028 0 : info[i].info2.job_id);
6029 :
6030 0 : if (info[i].info2.status == JOB_STATUS_PRINTING) {
6031 0 : qstatus = 2;
6032 : } else {
6033 0 : qstatus = 3;
6034 : }
6035 :
6036 0 : srv_put_dos_date2(p, 0, qtime);
6037 0 : SCVAL(p, 4, qstatus);
6038 0 : SSVAL(p, 5, qrapjobid);
6039 0 : SIVAL(p, 7, info[i].info2.size);
6040 0 : SCVAL(p, 11, 0);
6041 0 : status = srvstr_push(blob, req->flags2, p+12,
6042 : info[i].info2.notify_name, 16, STR_ASCII, &len);
6043 0 : if (!NT_STATUS_IS_OK(status)) {
6044 0 : reply_nterror(req, status);
6045 0 : goto out;
6046 : }
6047 0 : if (message_push_blob(
6048 : &req->outbuf,
6049 : data_blob_const(
6050 : blob, sizeof(blob))) == -1) {
6051 0 : reply_nterror(req, NT_STATUS_NO_MEMORY);
6052 0 : goto out;
6053 : }
6054 : }
6055 :
6056 0 : if (count > 0) {
6057 0 : SSVAL(req->outbuf,smb_vwv0,count);
6058 0 : SSVAL(req->outbuf,smb_vwv1,
6059 : (max_count>0?first+count:first-1));
6060 0 : SCVAL(smb_buf(req->outbuf),0,1);
6061 0 : SSVAL(smb_buf(req->outbuf),1,28*count);
6062 : }
6063 :
6064 :
6065 0 : DEBUG(3, ("%u entries returned in queue\n",
6066 : (unsigned)count));
6067 :
6068 0 : out:
6069 0 : if (b && is_valid_policy_hnd(&handle)) {
6070 0 : dcerpc_spoolss_ClosePrinter(b, mem_ctx, &handle, &werr);
6071 : }
6072 :
6073 : }
6074 :
6075 0 : END_PROFILE(SMBsplretq);
6076 0 : return;
6077 : }
6078 :
6079 : /****************************************************************************
6080 : Reply to a printwrite.
6081 : ****************************************************************************/
6082 :
6083 0 : void reply_printwrite(struct smb_request *req)
6084 : {
6085 0 : connection_struct *conn = req->conn;
6086 0 : int numtowrite;
6087 0 : const char *data;
6088 0 : files_struct *fsp;
6089 :
6090 0 : START_PROFILE(SMBsplwr);
6091 :
6092 0 : if (req->wct < 1) {
6093 0 : reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
6094 0 : END_PROFILE(SMBsplwr);
6095 0 : return;
6096 : }
6097 :
6098 0 : fsp = file_fsp(req, SVAL(req->vwv+0, 0));
6099 :
6100 0 : if (!check_fsp(conn, req, fsp)) {
6101 0 : END_PROFILE(SMBsplwr);
6102 0 : return;
6103 : }
6104 :
6105 0 : if (!fsp->print_file) {
6106 0 : reply_nterror(req, NT_STATUS_ACCESS_DENIED);
6107 0 : END_PROFILE(SMBsplwr);
6108 0 : return;
6109 : }
6110 :
6111 0 : if (!CHECK_WRITE(fsp)) {
6112 0 : reply_nterror(req, NT_STATUS_ACCESS_DENIED);
6113 0 : END_PROFILE(SMBsplwr);
6114 0 : return;
6115 : }
6116 :
6117 0 : numtowrite = SVAL(req->buf, 1);
6118 :
6119 : /*
6120 : * This already protects us against CVE-2017-12163.
6121 : */
6122 0 : if (req->buflen < numtowrite + 3) {
6123 0 : reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
6124 0 : END_PROFILE(SMBsplwr);
6125 0 : return;
6126 : }
6127 :
6128 0 : data = (const char *)req->buf + 3;
6129 :
6130 0 : if (write_file(req,fsp,data,(off_t)-1,numtowrite) != numtowrite) {
6131 0 : reply_nterror(req, map_nt_error_from_unix(errno));
6132 0 : END_PROFILE(SMBsplwr);
6133 0 : return;
6134 : }
6135 :
6136 0 : DEBUG(3, ("printwrite %s num=%d\n", fsp_fnum_dbg(fsp), numtowrite));
6137 :
6138 0 : reply_smb1_outbuf(req, 0, 0);
6139 :
6140 0 : END_PROFILE(SMBsplwr);
6141 0 : return;
6142 : }
6143 :
6144 : /****************************************************************************
6145 : Reply to a mkdir.
6146 : ****************************************************************************/
6147 :
6148 5664 : void reply_mkdir(struct smb_request *req)
6149 : {
6150 5664 : connection_struct *conn = req->conn;
6151 5664 : struct files_struct *dirfsp = NULL;
6152 5664 : struct smb_filename *smb_dname = NULL;
6153 5664 : char *directory = NULL;
6154 52 : NTSTATUS status;
6155 52 : uint32_t ucf_flags;
6156 5664 : NTTIME twrp = 0;
6157 5664 : TALLOC_CTX *ctx = talloc_tos();
6158 :
6159 5664 : START_PROFILE(SMBmkdir);
6160 :
6161 5664 : srvstr_get_path_req(ctx, req, &directory, (const char *)req->buf + 1,
6162 : STR_TERMINATE, &status);
6163 5664 : if (!NT_STATUS_IS_OK(status)) {
6164 5 : reply_nterror(req, status);
6165 5 : goto out;
6166 : }
6167 :
6168 5659 : ucf_flags = filename_create_ucf_flags(req, FILE_CREATE);
6169 5659 : if (ucf_flags & UCF_GMT_PATHNAME) {
6170 0 : extract_snapshot_token(directory, &twrp);
6171 : }
6172 5659 : status = smb1_strip_dfs_path(ctx, &ucf_flags, &directory);
6173 5659 : if (!NT_STATUS_IS_OK(status)) {
6174 0 : reply_nterror(req, status);
6175 0 : goto out;
6176 : }
6177 :
6178 5659 : status = filename_convert_dirfsp(ctx,
6179 : conn,
6180 : directory,
6181 : ucf_flags,
6182 : twrp,
6183 : &dirfsp,
6184 : &smb_dname);
6185 5659 : if (!NT_STATUS_IS_OK(status)) {
6186 0 : if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
6187 0 : reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
6188 : ERRSRV, ERRbadpath);
6189 0 : goto out;
6190 : }
6191 0 : reply_nterror(req, status);
6192 0 : goto out;
6193 : }
6194 :
6195 5659 : status = create_directory(conn, req, dirfsp, smb_dname);
6196 :
6197 5659 : DEBUG(5, ("create_directory returned %s\n", nt_errstr(status)));
6198 :
6199 5659 : if (!NT_STATUS_IS_OK(status)) {
6200 :
6201 22 : if (!use_nt_status()
6202 4 : && NT_STATUS_EQUAL(status,
6203 : NT_STATUS_OBJECT_NAME_COLLISION)) {
6204 : /*
6205 : * Yes, in the DOS error code case we get a
6206 : * ERRDOS:ERRnoaccess here. See BASE-SAMBA3ERROR
6207 : * samba4 torture test.
6208 : */
6209 4 : status = NT_STATUS_DOS(ERRDOS, ERRnoaccess);
6210 : }
6211 :
6212 22 : reply_nterror(req, status);
6213 22 : goto out;
6214 : }
6215 :
6216 5637 : reply_smb1_outbuf(req, 0, 0);
6217 :
6218 5637 : DEBUG(3, ("mkdir %s\n", smb_dname->base_name));
6219 5664 : out:
6220 5664 : TALLOC_FREE(smb_dname);
6221 5664 : END_PROFILE(SMBmkdir);
6222 5664 : return;
6223 : }
6224 :
6225 : /****************************************************************************
6226 : Reply to a rmdir.
6227 : ****************************************************************************/
6228 :
6229 6688 : void reply_rmdir(struct smb_request *req)
6230 : {
6231 6688 : connection_struct *conn = req->conn;
6232 6688 : struct smb_filename *smb_dname = NULL;
6233 6688 : char *directory = NULL;
6234 76 : NTSTATUS status;
6235 6688 : TALLOC_CTX *ctx = talloc_tos();
6236 6688 : struct files_struct *dirfsp = NULL;
6237 6688 : files_struct *fsp = NULL;
6238 6688 : int info = 0;
6239 6688 : NTTIME twrp = 0;
6240 6688 : uint32_t ucf_flags = ucf_flags_from_smb_request(req);
6241 :
6242 6688 : START_PROFILE(SMBrmdir);
6243 :
6244 6688 : srvstr_get_path_req(ctx, req, &directory, (const char *)req->buf + 1,
6245 : STR_TERMINATE, &status);
6246 6688 : if (!NT_STATUS_IS_OK(status)) {
6247 0 : reply_nterror(req, status);
6248 0 : goto out;
6249 : }
6250 :
6251 6688 : if (ucf_flags & UCF_GMT_PATHNAME) {
6252 0 : extract_snapshot_token(directory, &twrp);
6253 : }
6254 6688 : status = smb1_strip_dfs_path(ctx, &ucf_flags, &directory);
6255 6688 : if (!NT_STATUS_IS_OK(status)) {
6256 0 : reply_nterror(req, status);
6257 0 : goto out;
6258 : }
6259 :
6260 6688 : status = filename_convert_dirfsp(ctx,
6261 : conn,
6262 : directory,
6263 : ucf_flags,
6264 : twrp,
6265 : &dirfsp,
6266 : &smb_dname);
6267 6688 : if (!NT_STATUS_IS_OK(status)) {
6268 7 : if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
6269 0 : reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
6270 : ERRSRV, ERRbadpath);
6271 0 : goto out;
6272 : }
6273 7 : reply_nterror(req, status);
6274 7 : goto out;
6275 : }
6276 :
6277 6681 : status = SMB_VFS_CREATE_FILE(
6278 : conn, /* conn */
6279 : req, /* req */
6280 : dirfsp, /* dirfsp */
6281 : smb_dname, /* fname */
6282 : DELETE_ACCESS, /* access_mask */
6283 : (FILE_SHARE_READ | FILE_SHARE_WRITE | /* share_access */
6284 : FILE_SHARE_DELETE),
6285 : FILE_OPEN, /* create_disposition*/
6286 : FILE_DIRECTORY_FILE |
6287 : FILE_OPEN_REPARSE_POINT, /* create_options */
6288 : FILE_ATTRIBUTE_DIRECTORY, /* file_attributes */
6289 : 0, /* oplock_request */
6290 : NULL, /* lease */
6291 : 0, /* allocation_size */
6292 : 0, /* private_flags */
6293 : NULL, /* sd */
6294 : NULL, /* ea_list */
6295 : &fsp, /* result */
6296 : &info, /* pinfo */
6297 : NULL, NULL); /* create context */
6298 :
6299 6681 : if (!NT_STATUS_IS_OK(status)) {
6300 243 : if (open_was_deferred(req->xconn, req->mid)) {
6301 : /* We have re-scheduled this call. */
6302 0 : goto out;
6303 : }
6304 243 : if (NT_STATUS_EQUAL(status, NT_STATUS_SHARING_VIOLATION)) {
6305 32 : bool ok = defer_smb1_sharing_violation(req);
6306 32 : if (ok) {
6307 16 : goto out;
6308 : }
6309 : }
6310 227 : reply_nterror(req, status);
6311 227 : goto out;
6312 : }
6313 :
6314 6438 : status = can_set_delete_on_close(fsp, FILE_ATTRIBUTE_DIRECTORY);
6315 6438 : if (!NT_STATUS_IS_OK(status)) {
6316 46 : close_file_free(req, &fsp, ERROR_CLOSE);
6317 46 : reply_nterror(req, status);
6318 46 : goto out;
6319 : }
6320 :
6321 6392 : if (!set_delete_on_close(fsp, true,
6322 6392 : conn->session_info->security_token,
6323 6392 : conn->session_info->unix_token)) {
6324 0 : close_file_free(req, &fsp, ERROR_CLOSE);
6325 0 : reply_nterror(req, NT_STATUS_ACCESS_DENIED);
6326 0 : goto out;
6327 : }
6328 :
6329 6392 : status = close_file_free(req, &fsp, NORMAL_CLOSE);
6330 6392 : if (!NT_STATUS_IS_OK(status)) {
6331 0 : reply_nterror(req, status);
6332 : } else {
6333 6392 : reply_smb1_outbuf(req, 0, 0);
6334 : }
6335 :
6336 6392 : DEBUG(3, ("rmdir %s\n", smb_fname_str_dbg(smb_dname)));
6337 6688 : out:
6338 6688 : TALLOC_FREE(smb_dname);
6339 6688 : END_PROFILE(SMBrmdir);
6340 6688 : return;
6341 : }
6342 :
6343 : /****************************************************************************
6344 : Reply to a mv.
6345 : ****************************************************************************/
6346 :
6347 401 : void reply_mv(struct smb_request *req)
6348 : {
6349 401 : connection_struct *conn = req->conn;
6350 401 : char *name = NULL;
6351 401 : char *newname = NULL;
6352 15 : const char *p;
6353 15 : uint32_t attrs;
6354 15 : NTSTATUS status;
6355 401 : TALLOC_CTX *ctx = talloc_tos();
6356 401 : struct files_struct *src_dirfsp = NULL;
6357 401 : struct smb_filename *smb_fname_src = NULL;
6358 401 : struct files_struct *dst_dirfsp = NULL;
6359 401 : struct smb_filename *smb_fname_dst = NULL;
6360 401 : const char *dst_original_lcomp = NULL;
6361 401 : uint32_t src_ucf_flags = ucf_flags_from_smb_request(req);
6362 401 : NTTIME src_twrp = 0;
6363 401 : uint32_t dst_ucf_flags = ucf_flags_from_smb_request(req);
6364 401 : NTTIME dst_twrp = 0;
6365 401 : bool stream_rename = false;
6366 :
6367 401 : START_PROFILE(SMBmv);
6368 :
6369 401 : if (req->wct < 1) {
6370 0 : reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
6371 0 : goto out;
6372 : }
6373 :
6374 401 : attrs = SVAL(req->vwv+0, 0);
6375 :
6376 401 : p = (const char *)req->buf + 1;
6377 401 : p += srvstr_get_path_req(ctx, req, &name, p, STR_TERMINATE,
6378 : &status);
6379 401 : if (!NT_STATUS_IS_OK(status)) {
6380 0 : reply_nterror(req, status);
6381 0 : goto out;
6382 : }
6383 401 : p++;
6384 401 : p += srvstr_get_path_req(ctx, req, &newname, p, STR_TERMINATE,
6385 : &status);
6386 401 : if (!NT_STATUS_IS_OK(status)) {
6387 0 : reply_nterror(req, status);
6388 0 : goto out;
6389 : }
6390 :
6391 401 : if (!req->posix_pathnames) {
6392 : /* The newname must begin with a ':' if the
6393 : name contains a ':'. */
6394 359 : if (strchr_m(name, ':')) {
6395 4 : if (newname[0] != ':') {
6396 0 : reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
6397 0 : goto out;
6398 : }
6399 4 : stream_rename = true;
6400 : }
6401 : }
6402 :
6403 401 : if (src_ucf_flags & UCF_GMT_PATHNAME) {
6404 0 : extract_snapshot_token(name, &src_twrp);
6405 : }
6406 401 : status = smb1_strip_dfs_path(ctx, &src_ucf_flags, &name);
6407 401 : if (!NT_STATUS_IS_OK(status)) {
6408 0 : reply_nterror(req, status);
6409 0 : goto out;
6410 : }
6411 401 : status = filename_convert_dirfsp(ctx,
6412 : conn,
6413 : name,
6414 : src_ucf_flags,
6415 : src_twrp,
6416 : &src_dirfsp,
6417 : &smb_fname_src);
6418 :
6419 401 : if (!NT_STATUS_IS_OK(status)) {
6420 0 : if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
6421 0 : reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
6422 : ERRSRV, ERRbadpath);
6423 0 : goto out;
6424 : }
6425 0 : reply_nterror(req, status);
6426 0 : goto out;
6427 : }
6428 :
6429 401 : if (dst_ucf_flags & UCF_GMT_PATHNAME) {
6430 0 : extract_snapshot_token(newname, &dst_twrp);
6431 : }
6432 401 : status = smb1_strip_dfs_path(ctx, &dst_ucf_flags, &newname);
6433 401 : if (!NT_STATUS_IS_OK(status)) {
6434 0 : reply_nterror(req, status);
6435 0 : goto out;
6436 : }
6437 401 : status = filename_convert_dirfsp(ctx,
6438 : conn,
6439 : newname,
6440 : dst_ucf_flags,
6441 : dst_twrp,
6442 : &dst_dirfsp,
6443 : &smb_fname_dst);
6444 :
6445 401 : if (!NT_STATUS_IS_OK(status)) {
6446 48 : if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
6447 0 : reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
6448 : ERRSRV, ERRbadpath);
6449 0 : goto out;
6450 : }
6451 48 : reply_nterror(req, status);
6452 48 : goto out;
6453 : }
6454 :
6455 : /* Get the last component of the destination for rename_internals(). */
6456 353 : dst_original_lcomp = get_original_lcomp(ctx,
6457 : conn,
6458 : newname,
6459 : dst_ucf_flags);
6460 353 : if (dst_original_lcomp == NULL) {
6461 0 : reply_nterror(req, NT_STATUS_NO_MEMORY);
6462 0 : goto out;
6463 : }
6464 :
6465 353 : if (stream_rename) {
6466 : /* smb_fname_dst->base_name must be the same as
6467 : smb_fname_src->base_name. */
6468 4 : TALLOC_FREE(smb_fname_dst->base_name);
6469 8 : smb_fname_dst->base_name = talloc_strdup(smb_fname_dst,
6470 4 : smb_fname_src->base_name);
6471 4 : if (!smb_fname_dst->base_name) {
6472 0 : reply_nterror(req, NT_STATUS_NO_MEMORY);
6473 0 : goto out;
6474 : }
6475 : }
6476 :
6477 353 : DEBUG(3,("reply_mv : %s -> %s\n", smb_fname_str_dbg(smb_fname_src),
6478 : smb_fname_str_dbg(smb_fname_dst)));
6479 :
6480 353 : status = rename_internals(ctx,
6481 : conn,
6482 : req,
6483 : src_dirfsp, /* src_dirfsp */
6484 : smb_fname_src,
6485 : smb_fname_dst,
6486 : dst_original_lcomp,
6487 : attrs,
6488 : false,
6489 : DELETE_ACCESS);
6490 353 : if (!NT_STATUS_IS_OK(status)) {
6491 96 : if (open_was_deferred(req->xconn, req->mid)) {
6492 : /* We have re-scheduled this call. */
6493 4 : goto out;
6494 : }
6495 92 : if (NT_STATUS_EQUAL(status, NT_STATUS_SHARING_VIOLATION)) {
6496 46 : bool ok = defer_smb1_sharing_violation(req);
6497 46 : if (ok) {
6498 23 : goto out;
6499 : }
6500 : }
6501 69 : reply_nterror(req, status);
6502 69 : goto out;
6503 : }
6504 :
6505 257 : reply_smb1_outbuf(req, 0, 0);
6506 401 : out:
6507 401 : TALLOC_FREE(smb_fname_src);
6508 401 : TALLOC_FREE(smb_fname_dst);
6509 401 : END_PROFILE(SMBmv);
6510 401 : return;
6511 : }
6512 :
6513 : /****************************************************************************
6514 : Reply to a file copy.
6515 :
6516 : From MS-CIFS.
6517 :
6518 : This command was introduced in the LAN Manager 1.0 dialect
6519 : It was rendered obsolete in the NT LAN Manager dialect.
6520 : This command was used to perform server-side file copies, but
6521 : is no longer used. Clients SHOULD
6522 : NOT send requests using this command code.
6523 : Servers receiving requests with this command code
6524 : SHOULD return STATUS_NOT_IMPLEMENTED (ERRDOS/ERRbadfunc).
6525 : ****************************************************************************/
6526 :
6527 0 : void reply_copy(struct smb_request *req)
6528 : {
6529 0 : START_PROFILE(SMBcopy);
6530 0 : reply_nterror(req, NT_STATUS_NOT_IMPLEMENTED);
6531 0 : END_PROFILE(SMBcopy);
6532 0 : return;
6533 : }
6534 :
6535 : #undef DBGC_CLASS
6536 : #define DBGC_CLASS DBGC_LOCKING
6537 :
6538 : /****************************************************************************
6539 : Get a lock pid, dealing with large count requests.
6540 : ****************************************************************************/
6541 :
6542 5671 : uint64_t get_lock_pid(const uint8_t *data, int data_offset,
6543 : bool large_file_format)
6544 : {
6545 5671 : if(!large_file_format)
6546 5151 : return (uint64_t)SVAL(data,SMB_LPID_OFFSET(data_offset));
6547 : else
6548 520 : return (uint64_t)SVAL(data,SMB_LARGE_LPID_OFFSET(data_offset));
6549 : }
6550 :
6551 : /****************************************************************************
6552 : Get a lock count, dealing with large count requests.
6553 : ****************************************************************************/
6554 :
6555 5671 : uint64_t get_lock_count(const uint8_t *data, int data_offset,
6556 : bool large_file_format)
6557 : {
6558 5671 : uint64_t count = 0;
6559 :
6560 5671 : if(!large_file_format) {
6561 5151 : count = (uint64_t)IVAL(data,SMB_LKLEN_OFFSET(data_offset));
6562 : } else {
6563 : /*
6564 : * No BVAL, this is reversed!
6565 : */
6566 520 : count = (((uint64_t) IVAL(data,SMB_LARGE_LKLEN_OFFSET_HIGH(data_offset))) << 32) |
6567 520 : ((uint64_t) IVAL(data,SMB_LARGE_LKLEN_OFFSET_LOW(data_offset)));
6568 : }
6569 :
6570 5671 : return count;
6571 : }
6572 :
6573 : /****************************************************************************
6574 : Reply to a lockingX request.
6575 : ****************************************************************************/
6576 :
6577 : static void reply_lockingx_done(struct tevent_req *subreq);
6578 :
6579 5733 : void reply_lockingX(struct smb_request *req)
6580 : {
6581 5733 : connection_struct *conn = req->conn;
6582 15 : files_struct *fsp;
6583 15 : unsigned char locktype;
6584 15 : enum brl_type brltype;
6585 15 : unsigned char oplocklevel;
6586 15 : uint16_t num_ulocks;
6587 15 : uint16_t num_locks;
6588 15 : int32_t lock_timeout;
6589 15 : uint16_t i;
6590 15 : const uint8_t *data;
6591 15 : bool large_file_format;
6592 5733 : NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
6593 5733 : struct smbd_lock_element *locks = NULL;
6594 5733 : struct tevent_req *subreq = NULL;
6595 :
6596 5733 : START_PROFILE(SMBlockingX);
6597 :
6598 5733 : if (req->wct < 8) {
6599 0 : reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
6600 0 : END_PROFILE(SMBlockingX);
6601 0 : return;
6602 : }
6603 :
6604 5733 : fsp = file_fsp(req, SVAL(req->vwv+2, 0));
6605 5733 : locktype = CVAL(req->vwv+3, 0);
6606 5733 : oplocklevel = CVAL(req->vwv+3, 1);
6607 5733 : num_ulocks = SVAL(req->vwv+6, 0);
6608 5733 : num_locks = SVAL(req->vwv+7, 0);
6609 5733 : lock_timeout = IVAL(req->vwv+4, 0);
6610 5733 : large_file_format = ((locktype & LOCKING_ANDX_LARGE_FILES) != 0);
6611 :
6612 5733 : if (!check_fsp(conn, req, fsp)) {
6613 4 : END_PROFILE(SMBlockingX);
6614 4 : return;
6615 : }
6616 :
6617 5729 : data = req->buf;
6618 :
6619 5729 : if (locktype & LOCKING_ANDX_CHANGE_LOCKTYPE) {
6620 : /* we don't support these - and CANCEL_LOCK makes w2k
6621 : and XP reboot so I don't really want to be
6622 : compatible! (tridge) */
6623 8 : reply_force_doserror(req, ERRDOS, ERRnoatomiclocks);
6624 8 : END_PROFILE(SMBlockingX);
6625 8 : return;
6626 : }
6627 :
6628 : /* Check if this is an oplock break on a file
6629 : we have granted an oplock on.
6630 : */
6631 5721 : if (locktype & LOCKING_ANDX_OPLOCK_RELEASE) {
6632 : /* Client can insist on breaking to none. */
6633 96 : bool break_to_none = (oplocklevel == 0);
6634 0 : bool result;
6635 :
6636 96 : DEBUG(5,("reply_lockingX: oplock break reply (%u) from client "
6637 : "for %s\n", (unsigned int)oplocklevel,
6638 : fsp_fnum_dbg(fsp)));
6639 :
6640 : /*
6641 : * Make sure we have granted an exclusive or batch oplock on
6642 : * this file.
6643 : */
6644 :
6645 96 : if (fsp->oplock_type == 0) {
6646 :
6647 : /* The Samba4 nbench simulator doesn't understand
6648 : the difference between break to level2 and break
6649 : to none from level2 - it sends oplock break
6650 : replies in both cases. Don't keep logging an error
6651 : message here - just ignore it. JRA. */
6652 :
6653 26 : DEBUG(5,("reply_lockingX: Error : oplock break from "
6654 : "client for %s (oplock=%d) and no "
6655 : "oplock granted on this file (%s).\n",
6656 : fsp_fnum_dbg(fsp), fsp->oplock_type,
6657 : fsp_str_dbg(fsp)));
6658 :
6659 : /* if this is a pure oplock break request then don't
6660 : * send a reply */
6661 26 : if (num_locks == 0 && num_ulocks == 0) {
6662 26 : END_PROFILE(SMBlockingX);
6663 26 : return;
6664 : }
6665 :
6666 0 : END_PROFILE(SMBlockingX);
6667 0 : reply_nterror(req, NT_STATUS_FILE_LOCK_CONFLICT);
6668 0 : return;
6669 : }
6670 :
6671 70 : if ((fsp->sent_oplock_break == BREAK_TO_NONE_SENT) ||
6672 : (break_to_none)) {
6673 24 : result = remove_oplock(fsp);
6674 : } else {
6675 46 : result = downgrade_oplock(fsp);
6676 : }
6677 :
6678 70 : if (!result) {
6679 0 : DEBUG(0, ("reply_lockingX: error in removing "
6680 : "oplock on file %s\n", fsp_str_dbg(fsp)));
6681 : /* Hmmm. Is this panic justified? */
6682 0 : smb_panic("internal tdb error");
6683 : }
6684 :
6685 : /* if this is a pure oplock break request then don't send a
6686 : * reply */
6687 70 : if (num_locks == 0 && num_ulocks == 0) {
6688 : /* Sanity check - ensure a pure oplock break is not a
6689 : chained request. */
6690 70 : if (CVAL(req->vwv+0, 0) != 0xff) {
6691 0 : DEBUG(0,("reply_lockingX: Error : pure oplock "
6692 : "break is a chained %d request !\n",
6693 : (unsigned int)CVAL(req->vwv+0, 0)));
6694 : }
6695 70 : END_PROFILE(SMBlockingX);
6696 70 : return;
6697 : }
6698 : }
6699 :
6700 11250 : if (req->buflen <
6701 5638 : (num_ulocks + num_locks) * (large_file_format ? 20 : 10)) {
6702 0 : reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
6703 0 : END_PROFILE(SMBlockingX);
6704 0 : return;
6705 : }
6706 :
6707 5625 : if (num_ulocks != 0) {
6708 1569 : struct smbd_lock_element *ulocks = NULL;
6709 5 : bool ok;
6710 :
6711 1569 : ulocks = talloc_array(
6712 : req, struct smbd_lock_element, num_ulocks);
6713 1569 : if (ulocks == NULL) {
6714 0 : reply_nterror(req, NT_STATUS_NO_MEMORY);
6715 0 : END_PROFILE(SMBlockingX);
6716 0 : return;
6717 : }
6718 :
6719 : /*
6720 : * Data now points at the beginning of the list of
6721 : * smb_unlkrng structs
6722 : */
6723 3150 : for (i = 0; i < num_ulocks; i++) {
6724 1581 : ulocks[i].req_guid = smbd_request_guid(req,
6725 1581 : UINT16_MAX - i),
6726 1581 : ulocks[i].smblctx = get_lock_pid(
6727 : data, i, large_file_format);
6728 1581 : ulocks[i].count = get_lock_count(
6729 : data, i, large_file_format);
6730 1581 : ulocks[i].offset = get_lock_offset(
6731 : data, i, large_file_format);
6732 1581 : ulocks[i].brltype = UNLOCK_LOCK;
6733 1581 : ulocks[i].lock_flav = WINDOWS_LOCK;
6734 : }
6735 :
6736 : /*
6737 : * Unlock cancels pending locks
6738 : */
6739 :
6740 1574 : ok = smbd_smb1_brl_finish_by_lock(
6741 : fsp,
6742 : large_file_format,
6743 : ulocks[0],
6744 1569 : NT_STATUS_OK);
6745 1569 : if (ok) {
6746 2 : reply_smb1_outbuf(req, 2, 0);
6747 2 : SSVAL(req->outbuf, smb_vwv0, 0xff);
6748 2 : SSVAL(req->outbuf, smb_vwv1, 0);
6749 2 : END_PROFILE(SMBlockingX);
6750 2 : return;
6751 : }
6752 :
6753 1567 : status = smbd_do_unlocking(
6754 : req, fsp, num_ulocks, ulocks);
6755 1567 : TALLOC_FREE(ulocks);
6756 1567 : if (!NT_STATUS_IS_OK(status)) {
6757 66 : END_PROFILE(SMBlockingX);
6758 66 : reply_nterror(req, status);
6759 66 : return;
6760 : }
6761 : }
6762 :
6763 : /* Now do any requested locks */
6764 5557 : data += ((large_file_format ? 20 : 10)*num_ulocks);
6765 :
6766 : /* Data now points at the beginning of the list
6767 : of smb_lkrng structs */
6768 :
6769 5557 : if (locktype & LOCKING_ANDX_SHARED_LOCK) {
6770 216 : brltype = READ_LOCK;
6771 : } else {
6772 5341 : brltype = WRITE_LOCK;
6773 : }
6774 :
6775 5557 : locks = talloc_array(req, struct smbd_lock_element, num_locks);
6776 5557 : if (locks == NULL) {
6777 0 : reply_nterror(req, NT_STATUS_NO_MEMORY);
6778 0 : END_PROFILE(SMBlockingX);
6779 0 : return;
6780 : }
6781 :
6782 9647 : for (i = 0; i < num_locks; i++) {
6783 4090 : locks[i].req_guid = smbd_request_guid(req, i),
6784 4090 : locks[i].smblctx = get_lock_pid(data, i, large_file_format);
6785 4090 : locks[i].count = get_lock_count(data, i, large_file_format);
6786 4090 : locks[i].offset = get_lock_offset(data, i, large_file_format);
6787 4090 : locks[i].brltype = brltype;
6788 4090 : locks[i].lock_flav = WINDOWS_LOCK;
6789 : }
6790 :
6791 5557 : if (locktype & LOCKING_ANDX_CANCEL_LOCK) {
6792 :
6793 0 : bool ok;
6794 :
6795 24 : if (num_locks == 0) {
6796 : /* See smbtorture3 lock11 test */
6797 4 : reply_smb1_outbuf(req, 2, 0);
6798 : /* andx chain ends */
6799 4 : SSVAL(req->outbuf, smb_vwv0, 0xff);
6800 4 : SSVAL(req->outbuf, smb_vwv1, 0);
6801 4 : END_PROFILE(SMBlockingX);
6802 4 : return;
6803 : }
6804 :
6805 20 : ok = smbd_smb1_brl_finish_by_lock(
6806 : fsp,
6807 : large_file_format,
6808 : locks[0], /* Windows only cancels the first lock */
6809 20 : NT_STATUS_FILE_LOCK_CONFLICT);
6810 :
6811 20 : if (!ok) {
6812 10 : reply_force_doserror(req, ERRDOS, ERRcancelviolation);
6813 10 : END_PROFILE(SMBlockingX);
6814 10 : return;
6815 : }
6816 :
6817 10 : reply_smb1_outbuf(req, 2, 0);
6818 10 : SSVAL(req->outbuf, smb_vwv0, 0xff);
6819 10 : SSVAL(req->outbuf, smb_vwv1, 0);
6820 10 : END_PROFILE(SMBlockingX);
6821 10 : return;
6822 : }
6823 :
6824 5548 : subreq = smbd_smb1_do_locks_send(
6825 : fsp,
6826 5533 : req->sconn->ev_ctx,
6827 : &req,
6828 : fsp,
6829 : lock_timeout,
6830 : large_file_format,
6831 : num_locks,
6832 : locks);
6833 5533 : if (subreq == NULL) {
6834 0 : reply_nterror(req, NT_STATUS_NO_MEMORY);
6835 0 : END_PROFILE(SMBlockingX);
6836 0 : return;
6837 : }
6838 5533 : tevent_req_set_callback(subreq, reply_lockingx_done, NULL);
6839 5533 : END_PROFILE(SMBlockingX);
6840 : }
6841 :
6842 5533 : static void reply_lockingx_done(struct tevent_req *subreq)
6843 : {
6844 5533 : struct smb_request *req = NULL;
6845 15 : NTSTATUS status;
6846 15 : bool ok;
6847 :
6848 5533 : START_PROFILE(SMBlockingX);
6849 :
6850 5533 : ok = smbd_smb1_do_locks_extract_smbreq(subreq, talloc_tos(), &req);
6851 5533 : SMB_ASSERT(ok);
6852 :
6853 5533 : status = smbd_smb1_do_locks_recv(subreq);
6854 5533 : TALLOC_FREE(subreq);
6855 :
6856 5533 : DBG_DEBUG("smbd_smb1_do_locks_recv returned %s\n", nt_errstr(status));
6857 :
6858 5533 : if (NT_STATUS_IS_OK(status)) {
6859 3381 : reply_smb1_outbuf(req, 2, 0);
6860 3381 : SSVAL(req->outbuf, smb_vwv0, 0xff); /* andx chain ends */
6861 3381 : SSVAL(req->outbuf, smb_vwv1, 0); /* no andx offset */
6862 : } else {
6863 2152 : reply_nterror(req, status);
6864 : }
6865 :
6866 5563 : ok = smb1_srv_send(req->xconn,
6867 5533 : (char *)req->outbuf,
6868 : true,
6869 5533 : req->seqnum + 1,
6870 5533 : IS_CONN_ENCRYPTED(req->conn));
6871 5533 : if (!ok) {
6872 0 : exit_server_cleanly("reply_lock_done: smb1_srv_send failed.");
6873 : }
6874 5533 : TALLOC_FREE(req);
6875 5533 : END_PROFILE(SMBlockingX);
6876 5533 : }
6877 :
6878 : #undef DBGC_CLASS
6879 : #define DBGC_CLASS DBGC_ALL
6880 :
6881 : /****************************************************************************
6882 : Reply to a SMBreadbmpx (read block multiplex) request.
6883 : Always reply with an error, if someone has a platform really needs this,
6884 : please contact vl@samba.org
6885 : ****************************************************************************/
6886 :
6887 0 : void reply_readbmpx(struct smb_request *req)
6888 : {
6889 0 : START_PROFILE(SMBreadBmpx);
6890 0 : reply_force_doserror(req, ERRSRV, ERRuseSTD);
6891 0 : END_PROFILE(SMBreadBmpx);
6892 0 : return;
6893 : }
6894 :
6895 : /****************************************************************************
6896 : Reply to a SMBreadbs (read block multiplex secondary) request.
6897 : Always reply with an error, if someone has a platform really needs this,
6898 : please contact vl@samba.org
6899 : ****************************************************************************/
6900 :
6901 0 : void reply_readbs(struct smb_request *req)
6902 : {
6903 0 : START_PROFILE(SMBreadBs);
6904 0 : reply_force_doserror(req, ERRSRV, ERRuseSTD);
6905 0 : END_PROFILE(SMBreadBs);
6906 0 : return;
6907 : }
6908 :
6909 : /****************************************************************************
6910 : Reply to a SMBsetattrE.
6911 : ****************************************************************************/
6912 :
6913 0 : void reply_setattrE(struct smb_request *req)
6914 : {
6915 0 : connection_struct *conn = req->conn;
6916 0 : struct smb_file_time ft;
6917 0 : files_struct *fsp;
6918 0 : NTSTATUS status;
6919 :
6920 0 : START_PROFILE(SMBsetattrE);
6921 0 : init_smb_file_time(&ft);
6922 :
6923 0 : if (req->wct < 7) {
6924 0 : reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
6925 0 : goto out;
6926 : }
6927 :
6928 0 : fsp = file_fsp(req, SVAL(req->vwv+0, 0));
6929 :
6930 0 : if(!fsp || (fsp->conn != conn)) {
6931 0 : reply_nterror(req, NT_STATUS_INVALID_HANDLE);
6932 0 : goto out;
6933 : }
6934 :
6935 : /*
6936 : * Convert the DOS times into unix times.
6937 : */
6938 :
6939 0 : ft.atime = time_t_to_full_timespec(
6940 0 : srv_make_unix_date2(req->vwv+3));
6941 0 : ft.mtime = time_t_to_full_timespec(
6942 0 : srv_make_unix_date2(req->vwv+5));
6943 0 : ft.create_time = time_t_to_full_timespec(
6944 0 : srv_make_unix_date2(req->vwv+1));
6945 :
6946 0 : reply_smb1_outbuf(req, 0, 0);
6947 :
6948 : /*
6949 : * Patch from Ray Frush <frush@engr.colostate.edu>
6950 : * Sometimes times are sent as zero - ignore them.
6951 : */
6952 :
6953 : /* Ensure we have a valid stat struct for the source. */
6954 0 : status = vfs_stat_fsp(fsp);
6955 0 : if (!NT_STATUS_IS_OK(status)) {
6956 0 : reply_nterror(req, status);
6957 0 : goto out;
6958 : }
6959 :
6960 0 : if (!(fsp->access_mask & FILE_WRITE_ATTRIBUTES)) {
6961 0 : reply_nterror(req, NT_STATUS_ACCESS_DENIED);
6962 0 : goto out;
6963 : }
6964 :
6965 0 : status = smb_set_file_time(conn, fsp, fsp->fsp_name, &ft, true);
6966 0 : if (!NT_STATUS_IS_OK(status)) {
6967 0 : reply_nterror(req, status);
6968 0 : goto out;
6969 : }
6970 :
6971 0 : if (fsp->fsp_flags.modified) {
6972 0 : trigger_write_time_update_immediate(fsp);
6973 : }
6974 :
6975 0 : DEBUG( 3, ( "reply_setattrE %s actime=%u modtime=%u "
6976 : " createtime=%u\n",
6977 : fsp_fnum_dbg(fsp),
6978 : (unsigned int)ft.atime.tv_sec,
6979 : (unsigned int)ft.mtime.tv_sec,
6980 : (unsigned int)ft.create_time.tv_sec
6981 : ));
6982 0 : out:
6983 0 : END_PROFILE(SMBsetattrE);
6984 0 : return;
6985 : }
6986 :
6987 :
6988 : /* Back from the dead for OS/2..... JRA. */
6989 :
6990 : /****************************************************************************
6991 : Reply to a SMBwritebmpx (write block multiplex primary) request.
6992 : Always reply with an error, if someone has a platform really needs this,
6993 : please contact vl@samba.org
6994 : ****************************************************************************/
6995 :
6996 0 : void reply_writebmpx(struct smb_request *req)
6997 : {
6998 0 : START_PROFILE(SMBwriteBmpx);
6999 0 : reply_force_doserror(req, ERRSRV, ERRuseSTD);
7000 0 : END_PROFILE(SMBwriteBmpx);
7001 0 : return;
7002 : }
7003 :
7004 : /****************************************************************************
7005 : Reply to a SMBwritebs (write block multiplex secondary) request.
7006 : Always reply with an error, if someone has a platform really needs this,
7007 : please contact vl@samba.org
7008 : ****************************************************************************/
7009 :
7010 0 : void reply_writebs(struct smb_request *req)
7011 : {
7012 0 : START_PROFILE(SMBwriteBs);
7013 0 : reply_force_doserror(req, ERRSRV, ERRuseSTD);
7014 0 : END_PROFILE(SMBwriteBs);
7015 0 : return;
7016 : }
7017 :
7018 : /****************************************************************************
7019 : Reply to a SMBgetattrE.
7020 : ****************************************************************************/
7021 :
7022 10 : void reply_getattrE(struct smb_request *req)
7023 : {
7024 10 : connection_struct *conn = req->conn;
7025 2 : int mode;
7026 2 : files_struct *fsp;
7027 2 : struct timespec create_ts;
7028 2 : NTSTATUS status;
7029 :
7030 10 : START_PROFILE(SMBgetattrE);
7031 :
7032 10 : if (req->wct < 1) {
7033 0 : reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7034 0 : END_PROFILE(SMBgetattrE);
7035 0 : return;
7036 : }
7037 :
7038 10 : fsp = file_fsp(req, SVAL(req->vwv+0, 0));
7039 :
7040 10 : if(!fsp || (fsp->conn != conn)) {
7041 0 : reply_nterror(req, NT_STATUS_INVALID_HANDLE);
7042 0 : END_PROFILE(SMBgetattrE);
7043 0 : return;
7044 : }
7045 :
7046 : /* Do an fstat on this file */
7047 10 : status = vfs_stat_fsp(fsp);
7048 10 : if (!NT_STATUS_IS_OK(status)) {
7049 0 : reply_nterror(req, status);
7050 0 : END_PROFILE(SMBgetattrE);
7051 0 : return;
7052 : }
7053 :
7054 10 : mode = fdos_mode(fsp);
7055 :
7056 : /*
7057 : * Convert the times into dos times. Set create
7058 : * date to be last modify date as UNIX doesn't save
7059 : * this.
7060 : */
7061 :
7062 10 : reply_smb1_outbuf(req, 11, 0);
7063 :
7064 10 : create_ts = get_create_timespec(conn, fsp, fsp->fsp_name);
7065 10 : srv_put_dos_date2((char *)req->outbuf, smb_vwv0, create_ts.tv_sec);
7066 10 : srv_put_dos_date2((char *)req->outbuf, smb_vwv2,
7067 10 : convert_timespec_to_time_t(fsp->fsp_name->st.st_ex_atime));
7068 : /* Should we check pending modtime here ? JRA */
7069 10 : srv_put_dos_date2((char *)req->outbuf, smb_vwv4,
7070 10 : convert_timespec_to_time_t(fsp->fsp_name->st.st_ex_mtime));
7071 :
7072 10 : if (mode & FILE_ATTRIBUTE_DIRECTORY) {
7073 0 : SIVAL(req->outbuf, smb_vwv6, 0);
7074 0 : SIVAL(req->outbuf, smb_vwv8, 0);
7075 : } else {
7076 10 : uint32_t allocation_size = SMB_VFS_GET_ALLOC_SIZE(conn,fsp, &fsp->fsp_name->st);
7077 10 : SIVAL(req->outbuf, smb_vwv6, (uint32_t)fsp->fsp_name->st.st_ex_size);
7078 10 : SIVAL(req->outbuf, smb_vwv8, allocation_size);
7079 : }
7080 10 : SSVAL(req->outbuf,smb_vwv10, mode);
7081 :
7082 10 : DEBUG( 3, ( "reply_getattrE %s\n", fsp_fnum_dbg(fsp)));
7083 :
7084 10 : END_PROFILE(SMBgetattrE);
7085 8 : return;
7086 : }
7087 :
7088 : /****************************************************************************
7089 : Reply to a SMBfindclose (stop trans2 directory search).
7090 : ****************************************************************************/
7091 :
7092 0 : void reply_findclose(struct smb_request *req)
7093 : {
7094 0 : int dptr_num;
7095 0 : struct smbd_server_connection *sconn = req->sconn;
7096 0 : files_struct *fsp = NULL;
7097 :
7098 0 : START_PROFILE(SMBfindclose);
7099 :
7100 0 : if (req->wct < 1) {
7101 0 : reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7102 0 : END_PROFILE(SMBfindclose);
7103 0 : return;
7104 : }
7105 :
7106 0 : dptr_num = SVALS(req->vwv+0, 0);
7107 :
7108 0 : DEBUG(3,("reply_findclose, dptr_num = %d\n", dptr_num));
7109 :
7110 : /*
7111 : * OS/2 seems to use -1 to indicate "close all directories"
7112 : * This has to mean on this specific connection struct.
7113 : */
7114 0 : if (dptr_num == -1) {
7115 0 : dptr_closecnum(req->conn);
7116 : } else {
7117 0 : fsp = dptr_fetch_lanman2_fsp(sconn, dptr_num);
7118 0 : dptr_num = -1;
7119 0 : if (fsp != NULL) {
7120 0 : close_file_free(NULL, &fsp, NORMAL_CLOSE);
7121 : }
7122 : }
7123 :
7124 0 : reply_smb1_outbuf(req, 0, 0);
7125 :
7126 0 : DEBUG(3,("SMBfindclose dptr_num = %d\n", dptr_num));
7127 :
7128 0 : END_PROFILE(SMBfindclose);
7129 0 : return;
7130 : }
7131 :
7132 : /****************************************************************************
7133 : Reply to a SMBfindnclose (stop FINDNOTIFYFIRST directory search).
7134 : ****************************************************************************/
7135 :
7136 0 : void reply_findnclose(struct smb_request *req)
7137 : {
7138 0 : int dptr_num;
7139 :
7140 0 : START_PROFILE(SMBfindnclose);
7141 :
7142 0 : if (req->wct < 1) {
7143 0 : reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
7144 0 : END_PROFILE(SMBfindnclose);
7145 0 : return;
7146 : }
7147 :
7148 0 : dptr_num = SVAL(req->vwv+0, 0);
7149 :
7150 0 : DEBUG(3,("reply_findnclose, dptr_num = %d\n", dptr_num));
7151 :
7152 : /* We never give out valid handles for a
7153 : findnotifyfirst - so any dptr_num is ok here.
7154 : Just ignore it. */
7155 :
7156 0 : reply_smb1_outbuf(req, 0, 0);
7157 :
7158 0 : DEBUG(3,("SMB_findnclose dptr_num = %d\n", dptr_num));
7159 :
7160 0 : END_PROFILE(SMBfindnclose);
7161 0 : return;
7162 : }
|
