Commit | Line | Data |
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23db65f5 JL |
1 | /* |
2 | * SMB1 (CIFS) version specific operations | |
3 | * | |
4 | * Copyright (c) 2012, Jeff Layton <jlayton@redhat.com> | |
5 | * | |
6 | * This library is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License v2 as published | |
8 | * by the Free Software Foundation. | |
9 | * | |
10 | * This library is distributed in the hope that it will be useful, | |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See | |
13 | * the GNU Lesser General Public License for more details. | |
14 | * | |
15 | * You should have received a copy of the GNU Lesser General Public License | |
16 | * along with this library; if not, write to the Free Software | |
17 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
18 | */ | |
19 | ||
24985c53 | 20 | #include <linux/pagemap.h> |
76ec5e33 | 21 | #include <linux/vfs.h> |
23db65f5 | 22 | #include "cifsglob.h" |
121b046a JL |
23 | #include "cifsproto.h" |
24 | #include "cifs_debug.h" | |
106dc538 | 25 | #include "cifspdu.h" |
121b046a JL |
26 | |
27 | /* | |
28 | * An NT cancel request header looks just like the original request except: | |
29 | * | |
30 | * The Command is SMB_COM_NT_CANCEL | |
31 | * The WordCount is zeroed out | |
32 | * The ByteCount is zeroed out | |
33 | * | |
34 | * This function mangles an existing request buffer into a | |
35 | * SMB_COM_NT_CANCEL request and then sends it. | |
36 | */ | |
37 | static int | |
38 | send_nt_cancel(struct TCP_Server_Info *server, void *buf, | |
39 | struct mid_q_entry *mid) | |
40 | { | |
41 | int rc = 0; | |
42 | struct smb_hdr *in_buf = (struct smb_hdr *)buf; | |
43 | ||
44 | /* -4 for RFC1001 length and +2 for BCC field */ | |
45 | in_buf->smb_buf_length = cpu_to_be32(sizeof(struct smb_hdr) - 4 + 2); | |
46 | in_buf->Command = SMB_COM_NT_CANCEL; | |
47 | in_buf->WordCount = 0; | |
48 | put_bcc(0, in_buf); | |
49 | ||
50 | mutex_lock(&server->srv_mutex); | |
51 | rc = cifs_sign_smb(in_buf, server, &mid->sequence_number); | |
52 | if (rc) { | |
53 | mutex_unlock(&server->srv_mutex); | |
54 | return rc; | |
55 | } | |
31efee60 JL |
56 | |
57 | /* | |
58 | * The response to this call was already factored into the sequence | |
59 | * number when the call went out, so we must adjust it back downward | |
60 | * after signing here. | |
61 | */ | |
62 | --server->sequence_number; | |
121b046a | 63 | rc = smb_send(server, in_buf, be32_to_cpu(in_buf->smb_buf_length)); |
ad313cb8 JL |
64 | if (rc < 0) |
65 | server->sequence_number--; | |
66 | ||
121b046a JL |
67 | mutex_unlock(&server->srv_mutex); |
68 | ||
f96637be JP |
69 | cifs_dbg(FYI, "issued NT_CANCEL for mid %u, rc = %d\n", |
70 | in_buf->Mid, rc); | |
121b046a JL |
71 | |
72 | return rc; | |
73 | } | |
23db65f5 | 74 | |
55157dfb PS |
75 | static bool |
76 | cifs_compare_fids(struct cifsFileInfo *ob1, struct cifsFileInfo *ob2) | |
77 | { | |
4b4de76e | 78 | return ob1->fid.netfid == ob2->fid.netfid; |
55157dfb PS |
79 | } |
80 | ||
eb378711 PS |
81 | static unsigned int |
82 | cifs_read_data_offset(char *buf) | |
83 | { | |
84 | READ_RSP *rsp = (READ_RSP *)buf; | |
85 | return le16_to_cpu(rsp->DataOffset); | |
86 | } | |
87 | ||
88 | static unsigned int | |
89 | cifs_read_data_length(char *buf) | |
90 | { | |
91 | READ_RSP *rsp = (READ_RSP *)buf; | |
92 | return (le16_to_cpu(rsp->DataLengthHigh) << 16) + | |
93 | le16_to_cpu(rsp->DataLength); | |
94 | } | |
95 | ||
8aa26f3e PS |
96 | static struct mid_q_entry * |
97 | cifs_find_mid(struct TCP_Server_Info *server, char *buffer) | |
98 | { | |
99 | struct smb_hdr *buf = (struct smb_hdr *)buffer; | |
100 | struct mid_q_entry *mid; | |
101 | ||
102 | spin_lock(&GlobalMid_Lock); | |
103 | list_for_each_entry(mid, &server->pending_mid_q, qhead) { | |
104 | if (mid->mid == buf->Mid && | |
105 | mid->mid_state == MID_REQUEST_SUBMITTED && | |
106 | le16_to_cpu(mid->command) == buf->Command) { | |
107 | spin_unlock(&GlobalMid_Lock); | |
108 | return mid; | |
109 | } | |
110 | } | |
111 | spin_unlock(&GlobalMid_Lock); | |
112 | return NULL; | |
113 | } | |
114 | ||
45275789 | 115 | static void |
a891f0f8 PS |
116 | cifs_add_credits(struct TCP_Server_Info *server, const unsigned int add, |
117 | const int optype) | |
45275789 PS |
118 | { |
119 | spin_lock(&server->req_lock); | |
120 | server->credits += add; | |
121 | server->in_flight--; | |
122 | spin_unlock(&server->req_lock); | |
123 | wake_up(&server->request_q); | |
124 | } | |
125 | ||
126 | static void | |
127 | cifs_set_credits(struct TCP_Server_Info *server, const int val) | |
128 | { | |
129 | spin_lock(&server->req_lock); | |
130 | server->credits = val; | |
131 | server->oplocks = val > 1 ? enable_oplocks : false; | |
132 | spin_unlock(&server->req_lock); | |
133 | } | |
134 | ||
135 | static int * | |
a891f0f8 | 136 | cifs_get_credits_field(struct TCP_Server_Info *server, const int optype) |
45275789 PS |
137 | { |
138 | return &server->credits; | |
139 | } | |
140 | ||
a891f0f8 PS |
141 | static unsigned int |
142 | cifs_get_credits(struct mid_q_entry *mid) | |
143 | { | |
144 | return 1; | |
145 | } | |
146 | ||
88257360 PS |
147 | /* |
148 | * Find a free multiplex id (SMB mid). Otherwise there could be | |
149 | * mid collisions which might cause problems, demultiplexing the | |
150 | * wrong response to this request. Multiplex ids could collide if | |
151 | * one of a series requests takes much longer than the others, or | |
152 | * if a very large number of long lived requests (byte range | |
153 | * locks or FindNotify requests) are pending. No more than | |
154 | * 64K-1 requests can be outstanding at one time. If no | |
155 | * mids are available, return zero. A future optimization | |
156 | * could make the combination of mids and uid the key we use | |
157 | * to demultiplex on (rather than mid alone). | |
158 | * In addition to the above check, the cifs demultiplex | |
159 | * code already used the command code as a secondary | |
160 | * check of the frame and if signing is negotiated the | |
161 | * response would be discarded if the mid were the same | |
162 | * but the signature was wrong. Since the mid is not put in the | |
163 | * pending queue until later (when it is about to be dispatched) | |
164 | * we do have to limit the number of outstanding requests | |
165 | * to somewhat less than 64K-1 although it is hard to imagine | |
166 | * so many threads being in the vfs at one time. | |
167 | */ | |
168 | static __u64 | |
169 | cifs_get_next_mid(struct TCP_Server_Info *server) | |
170 | { | |
171 | __u64 mid = 0; | |
172 | __u16 last_mid, cur_mid; | |
173 | bool collision; | |
174 | ||
175 | spin_lock(&GlobalMid_Lock); | |
176 | ||
177 | /* mid is 16 bit only for CIFS/SMB */ | |
178 | cur_mid = (__u16)((server->CurrentMid) & 0xffff); | |
179 | /* we do not want to loop forever */ | |
180 | last_mid = cur_mid; | |
181 | cur_mid++; | |
182 | ||
183 | /* | |
184 | * This nested loop looks more expensive than it is. | |
185 | * In practice the list of pending requests is short, | |
186 | * fewer than 50, and the mids are likely to be unique | |
187 | * on the first pass through the loop unless some request | |
188 | * takes longer than the 64 thousand requests before it | |
189 | * (and it would also have to have been a request that | |
190 | * did not time out). | |
191 | */ | |
192 | while (cur_mid != last_mid) { | |
193 | struct mid_q_entry *mid_entry; | |
194 | unsigned int num_mids; | |
195 | ||
196 | collision = false; | |
197 | if (cur_mid == 0) | |
198 | cur_mid++; | |
199 | ||
200 | num_mids = 0; | |
201 | list_for_each_entry(mid_entry, &server->pending_mid_q, qhead) { | |
202 | ++num_mids; | |
203 | if (mid_entry->mid == cur_mid && | |
204 | mid_entry->mid_state == MID_REQUEST_SUBMITTED) { | |
205 | /* This mid is in use, try a different one */ | |
206 | collision = true; | |
207 | break; | |
208 | } | |
209 | } | |
210 | ||
211 | /* | |
212 | * if we have more than 32k mids in the list, then something | |
213 | * is very wrong. Possibly a local user is trying to DoS the | |
214 | * box by issuing long-running calls and SIGKILL'ing them. If | |
215 | * we get to 2^16 mids then we're in big trouble as this | |
216 | * function could loop forever. | |
217 | * | |
218 | * Go ahead and assign out the mid in this situation, but force | |
219 | * an eventual reconnect to clean out the pending_mid_q. | |
220 | */ | |
221 | if (num_mids > 32768) | |
222 | server->tcpStatus = CifsNeedReconnect; | |
223 | ||
224 | if (!collision) { | |
225 | mid = (__u64)cur_mid; | |
226 | server->CurrentMid = mid; | |
227 | break; | |
228 | } | |
229 | cur_mid++; | |
230 | } | |
231 | spin_unlock(&GlobalMid_Lock); | |
232 | return mid; | |
233 | } | |
234 | ||
316cf94a PS |
235 | /* |
236 | return codes: | |
237 | 0 not a transact2, or all data present | |
238 | >0 transact2 with that much data missing | |
239 | -EINVAL invalid transact2 | |
240 | */ | |
241 | static int | |
242 | check2ndT2(char *buf) | |
243 | { | |
244 | struct smb_hdr *pSMB = (struct smb_hdr *)buf; | |
245 | struct smb_t2_rsp *pSMBt; | |
246 | int remaining; | |
247 | __u16 total_data_size, data_in_this_rsp; | |
248 | ||
249 | if (pSMB->Command != SMB_COM_TRANSACTION2) | |
250 | return 0; | |
251 | ||
252 | /* check for plausible wct, bcc and t2 data and parm sizes */ | |
253 | /* check for parm and data offset going beyond end of smb */ | |
254 | if (pSMB->WordCount != 10) { /* coalesce_t2 depends on this */ | |
f96637be | 255 | cifs_dbg(FYI, "invalid transact2 word count\n"); |
316cf94a PS |
256 | return -EINVAL; |
257 | } | |
258 | ||
259 | pSMBt = (struct smb_t2_rsp *)pSMB; | |
260 | ||
261 | total_data_size = get_unaligned_le16(&pSMBt->t2_rsp.TotalDataCount); | |
262 | data_in_this_rsp = get_unaligned_le16(&pSMBt->t2_rsp.DataCount); | |
263 | ||
264 | if (total_data_size == data_in_this_rsp) | |
265 | return 0; | |
266 | else if (total_data_size < data_in_this_rsp) { | |
f96637be JP |
267 | cifs_dbg(FYI, "total data %d smaller than data in frame %d\n", |
268 | total_data_size, data_in_this_rsp); | |
316cf94a PS |
269 | return -EINVAL; |
270 | } | |
271 | ||
272 | remaining = total_data_size - data_in_this_rsp; | |
273 | ||
f96637be JP |
274 | cifs_dbg(FYI, "missing %d bytes from transact2, check next response\n", |
275 | remaining); | |
316cf94a | 276 | if (total_data_size > CIFSMaxBufSize) { |
f96637be JP |
277 | cifs_dbg(VFS, "TotalDataSize %d is over maximum buffer %d\n", |
278 | total_data_size, CIFSMaxBufSize); | |
316cf94a PS |
279 | return -EINVAL; |
280 | } | |
281 | return remaining; | |
282 | } | |
283 | ||
284 | static int | |
285 | coalesce_t2(char *second_buf, struct smb_hdr *target_hdr) | |
286 | { | |
287 | struct smb_t2_rsp *pSMBs = (struct smb_t2_rsp *)second_buf; | |
288 | struct smb_t2_rsp *pSMBt = (struct smb_t2_rsp *)target_hdr; | |
289 | char *data_area_of_tgt; | |
290 | char *data_area_of_src; | |
291 | int remaining; | |
292 | unsigned int byte_count, total_in_tgt; | |
293 | __u16 tgt_total_cnt, src_total_cnt, total_in_src; | |
294 | ||
295 | src_total_cnt = get_unaligned_le16(&pSMBs->t2_rsp.TotalDataCount); | |
296 | tgt_total_cnt = get_unaligned_le16(&pSMBt->t2_rsp.TotalDataCount); | |
297 | ||
298 | if (tgt_total_cnt != src_total_cnt) | |
f96637be JP |
299 | cifs_dbg(FYI, "total data count of primary and secondary t2 differ source=%hu target=%hu\n", |
300 | src_total_cnt, tgt_total_cnt); | |
316cf94a PS |
301 | |
302 | total_in_tgt = get_unaligned_le16(&pSMBt->t2_rsp.DataCount); | |
303 | ||
304 | remaining = tgt_total_cnt - total_in_tgt; | |
305 | ||
306 | if (remaining < 0) { | |
f96637be JP |
307 | cifs_dbg(FYI, "Server sent too much data. tgt_total_cnt=%hu total_in_tgt=%hu\n", |
308 | tgt_total_cnt, total_in_tgt); | |
316cf94a PS |
309 | return -EPROTO; |
310 | } | |
311 | ||
312 | if (remaining == 0) { | |
313 | /* nothing to do, ignore */ | |
f96637be | 314 | cifs_dbg(FYI, "no more data remains\n"); |
316cf94a PS |
315 | return 0; |
316 | } | |
317 | ||
318 | total_in_src = get_unaligned_le16(&pSMBs->t2_rsp.DataCount); | |
319 | if (remaining < total_in_src) | |
f96637be | 320 | cifs_dbg(FYI, "transact2 2nd response contains too much data\n"); |
316cf94a PS |
321 | |
322 | /* find end of first SMB data area */ | |
323 | data_area_of_tgt = (char *)&pSMBt->hdr.Protocol + | |
324 | get_unaligned_le16(&pSMBt->t2_rsp.DataOffset); | |
325 | ||
326 | /* validate target area */ | |
327 | data_area_of_src = (char *)&pSMBs->hdr.Protocol + | |
328 | get_unaligned_le16(&pSMBs->t2_rsp.DataOffset); | |
329 | ||
330 | data_area_of_tgt += total_in_tgt; | |
331 | ||
332 | total_in_tgt += total_in_src; | |
333 | /* is the result too big for the field? */ | |
334 | if (total_in_tgt > USHRT_MAX) { | |
f96637be JP |
335 | cifs_dbg(FYI, "coalesced DataCount too large (%u)\n", |
336 | total_in_tgt); | |
316cf94a PS |
337 | return -EPROTO; |
338 | } | |
339 | put_unaligned_le16(total_in_tgt, &pSMBt->t2_rsp.DataCount); | |
340 | ||
341 | /* fix up the BCC */ | |
342 | byte_count = get_bcc(target_hdr); | |
343 | byte_count += total_in_src; | |
344 | /* is the result too big for the field? */ | |
345 | if (byte_count > USHRT_MAX) { | |
f96637be | 346 | cifs_dbg(FYI, "coalesced BCC too large (%u)\n", byte_count); |
316cf94a PS |
347 | return -EPROTO; |
348 | } | |
349 | put_bcc(byte_count, target_hdr); | |
350 | ||
351 | byte_count = be32_to_cpu(target_hdr->smb_buf_length); | |
352 | byte_count += total_in_src; | |
353 | /* don't allow buffer to overflow */ | |
354 | if (byte_count > CIFSMaxBufSize + MAX_CIFS_HDR_SIZE - 4) { | |
f96637be JP |
355 | cifs_dbg(FYI, "coalesced BCC exceeds buffer size (%u)\n", |
356 | byte_count); | |
316cf94a PS |
357 | return -ENOBUFS; |
358 | } | |
359 | target_hdr->smb_buf_length = cpu_to_be32(byte_count); | |
360 | ||
361 | /* copy second buffer into end of first buffer */ | |
362 | memcpy(data_area_of_tgt, data_area_of_src, total_in_src); | |
363 | ||
364 | if (remaining != total_in_src) { | |
365 | /* more responses to go */ | |
f96637be | 366 | cifs_dbg(FYI, "waiting for more secondary responses\n"); |
316cf94a PS |
367 | return 1; |
368 | } | |
369 | ||
370 | /* we are done */ | |
f96637be | 371 | cifs_dbg(FYI, "found the last secondary response\n"); |
316cf94a PS |
372 | return 0; |
373 | } | |
374 | ||
375 | static bool | |
376 | cifs_check_trans2(struct mid_q_entry *mid, struct TCP_Server_Info *server, | |
377 | char *buf, int malformed) | |
378 | { | |
379 | if (malformed) | |
380 | return false; | |
381 | if (check2ndT2(buf) <= 0) | |
382 | return false; | |
383 | mid->multiRsp = true; | |
384 | if (mid->resp_buf) { | |
385 | /* merge response - fix up 1st*/ | |
386 | malformed = coalesce_t2(buf, mid->resp_buf); | |
387 | if (malformed > 0) | |
388 | return true; | |
389 | /* All parts received or packet is malformed. */ | |
390 | mid->multiEnd = true; | |
391 | dequeue_mid(mid, malformed); | |
392 | return true; | |
393 | } | |
394 | if (!server->large_buf) { | |
395 | /*FIXME: switch to already allocated largebuf?*/ | |
f96637be | 396 | cifs_dbg(VFS, "1st trans2 resp needs bigbuf\n"); |
316cf94a PS |
397 | } else { |
398 | /* Have first buffer */ | |
399 | mid->resp_buf = buf; | |
400 | mid->large_buf = true; | |
401 | server->bigbuf = NULL; | |
402 | } | |
403 | return true; | |
404 | } | |
405 | ||
286170aa PS |
406 | static bool |
407 | cifs_need_neg(struct TCP_Server_Info *server) | |
408 | { | |
409 | return server->maxBuf == 0; | |
410 | } | |
411 | ||
412 | static int | |
413 | cifs_negotiate(const unsigned int xid, struct cifs_ses *ses) | |
414 | { | |
415 | int rc; | |
416 | rc = CIFSSMBNegotiate(xid, ses); | |
417 | if (rc == -EAGAIN) { | |
418 | /* retry only once on 1st time connection */ | |
419 | set_credits(ses->server, 1); | |
420 | rc = CIFSSMBNegotiate(xid, ses); | |
421 | if (rc == -EAGAIN) | |
422 | rc = -EHOSTDOWN; | |
423 | } | |
424 | return rc; | |
425 | } | |
426 | ||
24985c53 PS |
427 | static unsigned int |
428 | cifs_negotiate_wsize(struct cifs_tcon *tcon, struct smb_vol *volume_info) | |
429 | { | |
430 | __u64 unix_cap = le64_to_cpu(tcon->fsUnixInfo.Capability); | |
431 | struct TCP_Server_Info *server = tcon->ses->server; | |
432 | unsigned int wsize; | |
433 | ||
434 | /* start with specified wsize, or default */ | |
435 | if (volume_info->wsize) | |
436 | wsize = volume_info->wsize; | |
437 | else if (tcon->unix_ext && (unix_cap & CIFS_UNIX_LARGE_WRITE_CAP)) | |
438 | wsize = CIFS_DEFAULT_IOSIZE; | |
439 | else | |
440 | wsize = CIFS_DEFAULT_NON_POSIX_WSIZE; | |
441 | ||
442 | /* can server support 24-bit write sizes? (via UNIX extensions) */ | |
443 | if (!tcon->unix_ext || !(unix_cap & CIFS_UNIX_LARGE_WRITE_CAP)) | |
444 | wsize = min_t(unsigned int, wsize, CIFS_MAX_RFC1002_WSIZE); | |
445 | ||
446 | /* | |
447 | * no CAP_LARGE_WRITE_X or is signing enabled without CAP_UNIX set? | |
448 | * Limit it to max buffer offered by the server, minus the size of the | |
449 | * WRITEX header, not including the 4 byte RFC1001 length. | |
450 | */ | |
451 | if (!(server->capabilities & CAP_LARGE_WRITE_X) || | |
38d77c50 | 452 | (!(server->capabilities & CAP_UNIX) && server->sign)) |
24985c53 PS |
453 | wsize = min_t(unsigned int, wsize, |
454 | server->maxBuf - sizeof(WRITE_REQ) + 4); | |
455 | ||
24985c53 PS |
456 | /* hard limit of CIFS_MAX_WSIZE */ |
457 | wsize = min_t(unsigned int, wsize, CIFS_MAX_WSIZE); | |
458 | ||
459 | return wsize; | |
460 | } | |
461 | ||
462 | static unsigned int | |
463 | cifs_negotiate_rsize(struct cifs_tcon *tcon, struct smb_vol *volume_info) | |
464 | { | |
465 | __u64 unix_cap = le64_to_cpu(tcon->fsUnixInfo.Capability); | |
466 | struct TCP_Server_Info *server = tcon->ses->server; | |
467 | unsigned int rsize, defsize; | |
468 | ||
469 | /* | |
470 | * Set default value... | |
471 | * | |
472 | * HACK alert! Ancient servers have very small buffers. Even though | |
473 | * MS-CIFS indicates that servers are only limited by the client's | |
474 | * bufsize for reads, testing against win98se shows that it throws | |
475 | * INVALID_PARAMETER errors if you try to request too large a read. | |
476 | * OS/2 just sends back short reads. | |
477 | * | |
478 | * If the server doesn't advertise CAP_LARGE_READ_X, then assume that | |
479 | * it can't handle a read request larger than its MaxBufferSize either. | |
480 | */ | |
481 | if (tcon->unix_ext && (unix_cap & CIFS_UNIX_LARGE_READ_CAP)) | |
482 | defsize = CIFS_DEFAULT_IOSIZE; | |
483 | else if (server->capabilities & CAP_LARGE_READ_X) | |
484 | defsize = CIFS_DEFAULT_NON_POSIX_RSIZE; | |
485 | else | |
486 | defsize = server->maxBuf - sizeof(READ_RSP); | |
487 | ||
488 | rsize = volume_info->rsize ? volume_info->rsize : defsize; | |
489 | ||
490 | /* | |
491 | * no CAP_LARGE_READ_X? Then MS-CIFS states that we must limit this to | |
492 | * the client's MaxBufferSize. | |
493 | */ | |
494 | if (!(server->capabilities & CAP_LARGE_READ_X)) | |
495 | rsize = min_t(unsigned int, CIFSMaxBufSize, rsize); | |
496 | ||
24985c53 PS |
497 | /* hard limit of CIFS_MAX_RSIZE */ |
498 | rsize = min_t(unsigned int, rsize, CIFS_MAX_RSIZE); | |
499 | ||
500 | return rsize; | |
501 | } | |
502 | ||
af4281dc PS |
503 | static void |
504 | cifs_qfs_tcon(const unsigned int xid, struct cifs_tcon *tcon) | |
505 | { | |
506 | CIFSSMBQFSDeviceInfo(xid, tcon); | |
507 | CIFSSMBQFSAttributeInfo(xid, tcon); | |
508 | } | |
509 | ||
68889f26 PS |
510 | static int |
511 | cifs_is_path_accessible(const unsigned int xid, struct cifs_tcon *tcon, | |
512 | struct cifs_sb_info *cifs_sb, const char *full_path) | |
513 | { | |
514 | int rc; | |
515 | FILE_ALL_INFO *file_info; | |
516 | ||
517 | file_info = kmalloc(sizeof(FILE_ALL_INFO), GFP_KERNEL); | |
518 | if (file_info == NULL) | |
519 | return -ENOMEM; | |
520 | ||
521 | rc = CIFSSMBQPathInfo(xid, tcon, full_path, file_info, | |
522 | 0 /* not legacy */, cifs_sb->local_nls, | |
523 | cifs_sb->mnt_cifs_flags & | |
524 | CIFS_MOUNT_MAP_SPECIAL_CHR); | |
525 | ||
526 | if (rc == -EOPNOTSUPP || rc == -EINVAL) | |
527 | rc = SMBQueryInformation(xid, tcon, full_path, file_info, | |
528 | cifs_sb->local_nls, cifs_sb->mnt_cifs_flags & | |
529 | CIFS_MOUNT_MAP_SPECIAL_CHR); | |
530 | kfree(file_info); | |
531 | return rc; | |
532 | } | |
533 | ||
1208ef1f PS |
534 | static int |
535 | cifs_query_path_info(const unsigned int xid, struct cifs_tcon *tcon, | |
536 | struct cifs_sb_info *cifs_sb, const char *full_path, | |
537 | FILE_ALL_INFO *data, bool *adjustTZ) | |
538 | { | |
539 | int rc; | |
540 | ||
541 | /* could do find first instead but this returns more info */ | |
542 | rc = CIFSSMBQPathInfo(xid, tcon, full_path, data, 0 /* not legacy */, | |
543 | cifs_sb->local_nls, cifs_sb->mnt_cifs_flags & | |
544 | CIFS_MOUNT_MAP_SPECIAL_CHR); | |
545 | /* | |
546 | * BB optimize code so we do not make the above call when server claims | |
547 | * no NT SMB support and the above call failed at least once - set flag | |
548 | * in tcon or mount. | |
549 | */ | |
550 | if ((rc == -EOPNOTSUPP) || (rc == -EINVAL)) { | |
551 | rc = SMBQueryInformation(xid, tcon, full_path, data, | |
552 | cifs_sb->local_nls, | |
553 | cifs_sb->mnt_cifs_flags & | |
554 | CIFS_MOUNT_MAP_SPECIAL_CHR); | |
555 | *adjustTZ = true; | |
556 | } | |
557 | return rc; | |
558 | } | |
559 | ||
560 | static int | |
561 | cifs_get_srv_inum(const unsigned int xid, struct cifs_tcon *tcon, | |
562 | struct cifs_sb_info *cifs_sb, const char *full_path, | |
563 | u64 *uniqueid, FILE_ALL_INFO *data) | |
564 | { | |
565 | /* | |
566 | * We can not use the IndexNumber field by default from Windows or | |
567 | * Samba (in ALL_INFO buf) but we can request it explicitly. The SNIA | |
568 | * CIFS spec claims that this value is unique within the scope of a | |
569 | * share, and the windows docs hint that it's actually unique | |
570 | * per-machine. | |
571 | * | |
572 | * There may be higher info levels that work but are there Windows | |
573 | * server or network appliances for which IndexNumber field is not | |
574 | * guaranteed unique? | |
575 | */ | |
576 | return CIFSGetSrvInodeNumber(xid, tcon, full_path, uniqueid, | |
577 | cifs_sb->local_nls, | |
578 | cifs_sb->mnt_cifs_flags & | |
579 | CIFS_MOUNT_MAP_SPECIAL_CHR); | |
580 | } | |
581 | ||
4ad65044 PS |
582 | static int |
583 | cifs_query_file_info(const unsigned int xid, struct cifs_tcon *tcon, | |
584 | struct cifs_fid *fid, FILE_ALL_INFO *data) | |
585 | { | |
586 | return CIFSSMBQFileInfo(xid, tcon, fid->netfid, data); | |
587 | } | |
588 | ||
44c58186 PS |
589 | static void |
590 | cifs_clear_stats(struct cifs_tcon *tcon) | |
591 | { | |
592 | #ifdef CONFIG_CIFS_STATS | |
593 | atomic_set(&tcon->stats.cifs_stats.num_writes, 0); | |
594 | atomic_set(&tcon->stats.cifs_stats.num_reads, 0); | |
595 | atomic_set(&tcon->stats.cifs_stats.num_flushes, 0); | |
596 | atomic_set(&tcon->stats.cifs_stats.num_oplock_brks, 0); | |
597 | atomic_set(&tcon->stats.cifs_stats.num_opens, 0); | |
598 | atomic_set(&tcon->stats.cifs_stats.num_posixopens, 0); | |
599 | atomic_set(&tcon->stats.cifs_stats.num_posixmkdirs, 0); | |
600 | atomic_set(&tcon->stats.cifs_stats.num_closes, 0); | |
601 | atomic_set(&tcon->stats.cifs_stats.num_deletes, 0); | |
602 | atomic_set(&tcon->stats.cifs_stats.num_mkdirs, 0); | |
603 | atomic_set(&tcon->stats.cifs_stats.num_rmdirs, 0); | |
604 | atomic_set(&tcon->stats.cifs_stats.num_renames, 0); | |
605 | atomic_set(&tcon->stats.cifs_stats.num_t2renames, 0); | |
606 | atomic_set(&tcon->stats.cifs_stats.num_ffirst, 0); | |
607 | atomic_set(&tcon->stats.cifs_stats.num_fnext, 0); | |
608 | atomic_set(&tcon->stats.cifs_stats.num_fclose, 0); | |
609 | atomic_set(&tcon->stats.cifs_stats.num_hardlinks, 0); | |
610 | atomic_set(&tcon->stats.cifs_stats.num_symlinks, 0); | |
611 | atomic_set(&tcon->stats.cifs_stats.num_locks, 0); | |
612 | atomic_set(&tcon->stats.cifs_stats.num_acl_get, 0); | |
613 | atomic_set(&tcon->stats.cifs_stats.num_acl_set, 0); | |
614 | #endif | |
615 | } | |
616 | ||
617 | static void | |
618 | cifs_print_stats(struct seq_file *m, struct cifs_tcon *tcon) | |
619 | { | |
620 | #ifdef CONFIG_CIFS_STATS | |
621 | seq_printf(m, " Oplocks breaks: %d", | |
622 | atomic_read(&tcon->stats.cifs_stats.num_oplock_brks)); | |
623 | seq_printf(m, "\nReads: %d Bytes: %llu", | |
624 | atomic_read(&tcon->stats.cifs_stats.num_reads), | |
625 | (long long)(tcon->bytes_read)); | |
626 | seq_printf(m, "\nWrites: %d Bytes: %llu", | |
627 | atomic_read(&tcon->stats.cifs_stats.num_writes), | |
628 | (long long)(tcon->bytes_written)); | |
629 | seq_printf(m, "\nFlushes: %d", | |
630 | atomic_read(&tcon->stats.cifs_stats.num_flushes)); | |
631 | seq_printf(m, "\nLocks: %d HardLinks: %d Symlinks: %d", | |
632 | atomic_read(&tcon->stats.cifs_stats.num_locks), | |
633 | atomic_read(&tcon->stats.cifs_stats.num_hardlinks), | |
634 | atomic_read(&tcon->stats.cifs_stats.num_symlinks)); | |
635 | seq_printf(m, "\nOpens: %d Closes: %d Deletes: %d", | |
636 | atomic_read(&tcon->stats.cifs_stats.num_opens), | |
637 | atomic_read(&tcon->stats.cifs_stats.num_closes), | |
638 | atomic_read(&tcon->stats.cifs_stats.num_deletes)); | |
639 | seq_printf(m, "\nPosix Opens: %d Posix Mkdirs: %d", | |
640 | atomic_read(&tcon->stats.cifs_stats.num_posixopens), | |
641 | atomic_read(&tcon->stats.cifs_stats.num_posixmkdirs)); | |
642 | seq_printf(m, "\nMkdirs: %d Rmdirs: %d", | |
643 | atomic_read(&tcon->stats.cifs_stats.num_mkdirs), | |
644 | atomic_read(&tcon->stats.cifs_stats.num_rmdirs)); | |
645 | seq_printf(m, "\nRenames: %d T2 Renames %d", | |
646 | atomic_read(&tcon->stats.cifs_stats.num_renames), | |
647 | atomic_read(&tcon->stats.cifs_stats.num_t2renames)); | |
648 | seq_printf(m, "\nFindFirst: %d FNext %d FClose %d", | |
649 | atomic_read(&tcon->stats.cifs_stats.num_ffirst), | |
650 | atomic_read(&tcon->stats.cifs_stats.num_fnext), | |
651 | atomic_read(&tcon->stats.cifs_stats.num_fclose)); | |
652 | #endif | |
653 | } | |
654 | ||
f436720e PS |
655 | static void |
656 | cifs_mkdir_setinfo(struct inode *inode, const char *full_path, | |
657 | struct cifs_sb_info *cifs_sb, struct cifs_tcon *tcon, | |
658 | const unsigned int xid) | |
659 | { | |
660 | FILE_BASIC_INFO info; | |
661 | struct cifsInodeInfo *cifsInode; | |
662 | u32 dosattrs; | |
663 | int rc; | |
664 | ||
665 | memset(&info, 0, sizeof(info)); | |
666 | cifsInode = CIFS_I(inode); | |
667 | dosattrs = cifsInode->cifsAttrs|ATTR_READONLY; | |
668 | info.Attributes = cpu_to_le32(dosattrs); | |
669 | rc = CIFSSMBSetPathInfo(xid, tcon, full_path, &info, cifs_sb->local_nls, | |
670 | cifs_sb->mnt_cifs_flags & | |
671 | CIFS_MOUNT_MAP_SPECIAL_CHR); | |
672 | if (rc == 0) | |
673 | cifsInode->cifsAttrs = dosattrs; | |
674 | } | |
675 | ||
fb1214e4 | 676 | static int |
226730b4 PS |
677 | cifs_open_file(const unsigned int xid, struct cifs_open_parms *oparms, |
678 | __u32 *oplock, FILE_ALL_INFO *buf) | |
fb1214e4 | 679 | { |
226730b4 PS |
680 | if (!(oparms->tcon->ses->capabilities & CAP_NT_SMBS)) |
681 | return SMBLegacyOpen(xid, oparms->tcon, oparms->path, | |
682 | oparms->disposition, | |
683 | oparms->desired_access, | |
684 | oparms->create_options, | |
685 | &oparms->fid->netfid, oplock, buf, | |
686 | oparms->cifs_sb->local_nls, | |
687 | oparms->cifs_sb->mnt_cifs_flags | |
fb1214e4 | 688 | & CIFS_MOUNT_MAP_SPECIAL_CHR); |
226730b4 PS |
689 | return CIFSSMBOpen(xid, oparms->tcon, oparms->path, |
690 | oparms->disposition, oparms->desired_access, | |
691 | oparms->create_options, &oparms->fid->netfid, oplock, | |
692 | buf, oparms->cifs_sb->local_nls, | |
693 | oparms->cifs_sb->mnt_cifs_flags & | |
fb1214e4 PS |
694 | CIFS_MOUNT_MAP_SPECIAL_CHR); |
695 | } | |
696 | ||
697 | static void | |
698 | cifs_set_fid(struct cifsFileInfo *cfile, struct cifs_fid *fid, __u32 oplock) | |
699 | { | |
700 | struct cifsInodeInfo *cinode = CIFS_I(cfile->dentry->d_inode); | |
701 | cfile->fid.netfid = fid->netfid; | |
702 | cifs_set_oplock_level(cinode, oplock); | |
18cceb6a | 703 | cinode->can_cache_brlcks = CIFS_CACHE_WRITE(cinode); |
fb1214e4 PS |
704 | } |
705 | ||
760ad0ca | 706 | static void |
0ff78a22 PS |
707 | cifs_close_file(const unsigned int xid, struct cifs_tcon *tcon, |
708 | struct cifs_fid *fid) | |
709 | { | |
760ad0ca | 710 | CIFSSMBClose(xid, tcon, fid->netfid); |
0ff78a22 PS |
711 | } |
712 | ||
1d8c4c00 PS |
713 | static int |
714 | cifs_flush_file(const unsigned int xid, struct cifs_tcon *tcon, | |
715 | struct cifs_fid *fid) | |
716 | { | |
717 | return CIFSSMBFlush(xid, tcon, fid->netfid); | |
718 | } | |
719 | ||
f9c6e234 PS |
720 | static int |
721 | cifs_sync_read(const unsigned int xid, struct cifsFileInfo *cfile, | |
722 | struct cifs_io_parms *parms, unsigned int *bytes_read, | |
723 | char **buf, int *buf_type) | |
724 | { | |
725 | parms->netfid = cfile->fid.netfid; | |
726 | return CIFSSMBRead(xid, parms, bytes_read, buf, buf_type); | |
727 | } | |
728 | ||
ba9ad725 PS |
729 | static int |
730 | cifs_sync_write(const unsigned int xid, struct cifsFileInfo *cfile, | |
731 | struct cifs_io_parms *parms, unsigned int *written, | |
732 | struct kvec *iov, unsigned long nr_segs) | |
733 | { | |
734 | ||
735 | parms->netfid = cfile->fid.netfid; | |
736 | return CIFSSMBWrite2(xid, parms, written, iov, nr_segs); | |
737 | } | |
738 | ||
6bdf6dbd PS |
739 | static int |
740 | smb_set_file_info(struct inode *inode, const char *full_path, | |
741 | FILE_BASIC_INFO *buf, const unsigned int xid) | |
742 | { | |
743 | int oplock = 0; | |
744 | int rc; | |
745 | __u16 netfid; | |
746 | __u32 netpid; | |
747 | struct cifsFileInfo *open_file; | |
748 | struct cifsInodeInfo *cinode = CIFS_I(inode); | |
749 | struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb); | |
750 | struct tcon_link *tlink = NULL; | |
751 | struct cifs_tcon *tcon; | |
6bdf6dbd PS |
752 | |
753 | /* if the file is already open for write, just use that fileid */ | |
754 | open_file = find_writable_file(cinode, true); | |
755 | if (open_file) { | |
756 | netfid = open_file->fid.netfid; | |
757 | netpid = open_file->pid; | |
758 | tcon = tlink_tcon(open_file->tlink); | |
759 | goto set_via_filehandle; | |
760 | } | |
761 | ||
762 | tlink = cifs_sb_tlink(cifs_sb); | |
763 | if (IS_ERR(tlink)) { | |
764 | rc = PTR_ERR(tlink); | |
765 | tlink = NULL; | |
766 | goto out; | |
767 | } | |
768 | tcon = tlink_tcon(tlink); | |
769 | ||
281e2e7d | 770 | rc = CIFSSMBSetPathInfo(xid, tcon, full_path, buf, cifs_sb->local_nls, |
6bdf6dbd PS |
771 | cifs_sb->mnt_cifs_flags & |
772 | CIFS_MOUNT_MAP_SPECIAL_CHR); | |
281e2e7d JL |
773 | if (rc == 0) { |
774 | cinode->cifsAttrs = le32_to_cpu(buf->Attributes); | |
775 | goto out; | |
776 | } else if (rc != -EOPNOTSUPP && rc != -EINVAL) { | |
777 | goto out; | |
6bdf6dbd PS |
778 | } |
779 | ||
f96637be | 780 | cifs_dbg(FYI, "calling SetFileInfo since SetPathInfo for times not supported by this server\n"); |
6bdf6dbd PS |
781 | rc = CIFSSMBOpen(xid, tcon, full_path, FILE_OPEN, |
782 | SYNCHRONIZE | FILE_WRITE_ATTRIBUTES, CREATE_NOT_DIR, | |
783 | &netfid, &oplock, NULL, cifs_sb->local_nls, | |
784 | cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR); | |
785 | ||
786 | if (rc != 0) { | |
787 | if (rc == -EIO) | |
788 | rc = -EINVAL; | |
789 | goto out; | |
790 | } | |
791 | ||
792 | netpid = current->tgid; | |
793 | ||
794 | set_via_filehandle: | |
c772aa92 | 795 | rc = CIFSSMBSetFileInfo(xid, tcon, buf, netfid, netpid); |
6bdf6dbd PS |
796 | if (!rc) |
797 | cinode->cifsAttrs = le32_to_cpu(buf->Attributes); | |
798 | ||
799 | if (open_file == NULL) | |
800 | CIFSSMBClose(xid, tcon, netfid); | |
801 | else | |
802 | cifsFileInfo_put(open_file); | |
803 | out: | |
804 | if (tlink != NULL) | |
805 | cifs_put_tlink(tlink); | |
806 | return rc; | |
807 | } | |
808 | ||
92fc65a7 PS |
809 | static int |
810 | cifs_query_dir_first(const unsigned int xid, struct cifs_tcon *tcon, | |
811 | const char *path, struct cifs_sb_info *cifs_sb, | |
812 | struct cifs_fid *fid, __u16 search_flags, | |
813 | struct cifs_search_info *srch_inf) | |
814 | { | |
c052e2b4 SP |
815 | return CIFSFindFirst(xid, tcon, path, cifs_sb, |
816 | &fid->netfid, search_flags, srch_inf, true); | |
92fc65a7 PS |
817 | } |
818 | ||
819 | static int | |
820 | cifs_query_dir_next(const unsigned int xid, struct cifs_tcon *tcon, | |
821 | struct cifs_fid *fid, __u16 search_flags, | |
822 | struct cifs_search_info *srch_inf) | |
823 | { | |
824 | return CIFSFindNext(xid, tcon, fid->netfid, search_flags, srch_inf); | |
825 | } | |
826 | ||
827 | static int | |
828 | cifs_close_dir(const unsigned int xid, struct cifs_tcon *tcon, | |
829 | struct cifs_fid *fid) | |
830 | { | |
831 | return CIFSFindClose(xid, tcon, fid->netfid); | |
832 | } | |
833 | ||
95a3f2f3 PS |
834 | static int |
835 | cifs_oplock_response(struct cifs_tcon *tcon, struct cifs_fid *fid, | |
836 | struct cifsInodeInfo *cinode) | |
837 | { | |
838 | return CIFSSMBLock(0, tcon, fid->netfid, current->tgid, 0, 0, 0, 0, | |
839 | LOCKING_ANDX_OPLOCK_RELEASE, false, | |
18cceb6a | 840 | CIFS_CACHE_READ(cinode) ? 1 : 0); |
95a3f2f3 PS |
841 | } |
842 | ||
76ec5e33 PS |
843 | static int |
844 | cifs_queryfs(const unsigned int xid, struct cifs_tcon *tcon, | |
845 | struct kstatfs *buf) | |
846 | { | |
847 | int rc = -EOPNOTSUPP; | |
848 | ||
849 | buf->f_type = CIFS_MAGIC_NUMBER; | |
850 | ||
851 | /* | |
852 | * We could add a second check for a QFS Unix capability bit | |
853 | */ | |
854 | if ((tcon->ses->capabilities & CAP_UNIX) && | |
855 | (CIFS_POSIX_EXTENSIONS & le64_to_cpu(tcon->fsUnixInfo.Capability))) | |
856 | rc = CIFSSMBQFSPosixInfo(xid, tcon, buf); | |
857 | ||
858 | /* | |
859 | * Only need to call the old QFSInfo if failed on newer one, | |
860 | * e.g. by OS/2. | |
861 | **/ | |
862 | if (rc && (tcon->ses->capabilities & CAP_NT_SMBS)) | |
863 | rc = CIFSSMBQFSInfo(xid, tcon, buf); | |
864 | ||
865 | /* | |
866 | * Some old Windows servers also do not support level 103, retry with | |
867 | * older level one if old server failed the previous call or we | |
868 | * bypassed it because we detected that this was an older LANMAN sess | |
869 | */ | |
870 | if (rc) | |
871 | rc = SMBOldQFSInfo(xid, tcon, buf); | |
872 | return rc; | |
873 | } | |
874 | ||
d39a4f71 PS |
875 | static int |
876 | cifs_mand_lock(const unsigned int xid, struct cifsFileInfo *cfile, __u64 offset, | |
877 | __u64 length, __u32 type, int lock, int unlock, bool wait) | |
878 | { | |
879 | return CIFSSMBLock(xid, tlink_tcon(cfile->tlink), cfile->fid.netfid, | |
880 | current->tgid, length, offset, unlock, lock, | |
881 | (__u8)type, wait, 0); | |
882 | } | |
883 | ||
d244bf2d PS |
884 | static int |
885 | cifs_query_symlink(const unsigned int xid, struct cifs_tcon *tcon, | |
886 | const char *full_path, char **target_path, | |
887 | struct cifs_sb_info *cifs_sb) | |
888 | { | |
889 | int rc; | |
890 | int oplock = 0; | |
891 | __u16 netfid; | |
892 | ||
893 | cifs_dbg(FYI, "%s: path: %s\n", __func__, full_path); | |
894 | ||
895 | rc = CIFSSMBOpen(xid, tcon, full_path, FILE_OPEN, | |
896 | FILE_READ_ATTRIBUTES, OPEN_REPARSE_POINT, &netfid, | |
897 | &oplock, NULL, cifs_sb->local_nls, | |
898 | cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR); | |
899 | if (rc) | |
900 | return rc; | |
901 | ||
902 | rc = CIFSSMBQuerySymLink(xid, tcon, netfid, target_path, | |
903 | cifs_sb->local_nls); | |
904 | if (rc) { | |
905 | CIFSSMBClose(xid, tcon, netfid); | |
906 | return rc; | |
907 | } | |
908 | ||
909 | convert_delimiter(*target_path, '/'); | |
910 | CIFSSMBClose(xid, tcon, netfid); | |
911 | cifs_dbg(FYI, "%s: target path: %s\n", __func__, *target_path); | |
912 | return rc; | |
913 | } | |
914 | ||
53ef1016 PS |
915 | static bool |
916 | cifs_is_read_op(__u32 oplock) | |
917 | { | |
918 | return oplock == OPLOCK_READ; | |
919 | } | |
920 | ||
23db65f5 | 921 | struct smb_version_operations smb1_operations = { |
121b046a | 922 | .send_cancel = send_nt_cancel, |
55157dfb | 923 | .compare_fids = cifs_compare_fids, |
082d0642 | 924 | .setup_request = cifs_setup_request, |
45740847 | 925 | .setup_async_request = cifs_setup_async_request, |
082d0642 | 926 | .check_receive = cifs_check_receive, |
45275789 PS |
927 | .add_credits = cifs_add_credits, |
928 | .set_credits = cifs_set_credits, | |
929 | .get_credits_field = cifs_get_credits_field, | |
a891f0f8 | 930 | .get_credits = cifs_get_credits, |
88257360 | 931 | .get_next_mid = cifs_get_next_mid, |
eb378711 PS |
932 | .read_data_offset = cifs_read_data_offset, |
933 | .read_data_length = cifs_read_data_length, | |
934 | .map_error = map_smb_to_linux_error, | |
8aa26f3e PS |
935 | .find_mid = cifs_find_mid, |
936 | .check_message = checkSMB, | |
937 | .dump_detail = cifs_dump_detail, | |
44c58186 PS |
938 | .clear_stats = cifs_clear_stats, |
939 | .print_stats = cifs_print_stats, | |
8aa26f3e | 940 | .is_oplock_break = is_valid_oplock_break, |
316cf94a | 941 | .check_trans2 = cifs_check_trans2, |
286170aa PS |
942 | .need_neg = cifs_need_neg, |
943 | .negotiate = cifs_negotiate, | |
24985c53 PS |
944 | .negotiate_wsize = cifs_negotiate_wsize, |
945 | .negotiate_rsize = cifs_negotiate_rsize, | |
58c45c58 PS |
946 | .sess_setup = CIFS_SessSetup, |
947 | .logoff = CIFSSMBLogoff, | |
2e6e02ab PS |
948 | .tree_connect = CIFSTCon, |
949 | .tree_disconnect = CIFSSMBTDis, | |
b669f33c | 950 | .get_dfs_refer = CIFSGetDFSRefer, |
af4281dc | 951 | .qfs_tcon = cifs_qfs_tcon, |
68889f26 | 952 | .is_path_accessible = cifs_is_path_accessible, |
1208ef1f | 953 | .query_path_info = cifs_query_path_info, |
4ad65044 | 954 | .query_file_info = cifs_query_file_info, |
1208ef1f | 955 | .get_srv_inum = cifs_get_srv_inum, |
d1433418 PS |
956 | .set_path_size = CIFSSMBSetEOF, |
957 | .set_file_size = CIFSSMBSetFileSize, | |
6bdf6dbd | 958 | .set_file_info = smb_set_file_info, |
f6d76178 | 959 | .echo = CIFSSMBEcho, |
f436720e PS |
960 | .mkdir = CIFSSMBMkDir, |
961 | .mkdir_setinfo = cifs_mkdir_setinfo, | |
f958ca5d | 962 | .rmdir = CIFSSMBRmDir, |
ed6875e0 PS |
963 | .unlink = CIFSSMBDelFile, |
964 | .rename_pending_delete = cifs_rename_pending_delete, | |
8ceb9843 | 965 | .rename = CIFSSMBRename, |
d6e906f1 | 966 | .create_hardlink = CIFSCreateHardLink, |
d244bf2d | 967 | .query_symlink = cifs_query_symlink, |
fb1214e4 PS |
968 | .open = cifs_open_file, |
969 | .set_fid = cifs_set_fid, | |
0ff78a22 | 970 | .close = cifs_close_file, |
1d8c4c00 | 971 | .flush = cifs_flush_file, |
fc9c5966 | 972 | .async_readv = cifs_async_readv, |
c9de5c80 | 973 | .async_writev = cifs_async_writev, |
f9c6e234 | 974 | .sync_read = cifs_sync_read, |
ba9ad725 | 975 | .sync_write = cifs_sync_write, |
92fc65a7 PS |
976 | .query_dir_first = cifs_query_dir_first, |
977 | .query_dir_next = cifs_query_dir_next, | |
978 | .close_dir = cifs_close_dir, | |
979 | .calc_smb_size = smbCalcSize, | |
95a3f2f3 | 980 | .oplock_response = cifs_oplock_response, |
76ec5e33 | 981 | .queryfs = cifs_queryfs, |
d39a4f71 PS |
982 | .mand_lock = cifs_mand_lock, |
983 | .mand_unlock_range = cifs_unlock_range, | |
984 | .push_mand_locks = cifs_push_mandatory_locks, | |
1b244081 | 985 | .query_mf_symlink = open_query_close_cifs_symlink, |
53ef1016 | 986 | .is_read_op = cifs_is_read_op, |
23db65f5 JL |
987 | }; |
988 | ||
989 | struct smb_version_values smb1_values = { | |
990 | .version_string = SMB1_VERSION_STRING, | |
106dc538 PS |
991 | .large_lock_type = LOCKING_ANDX_LARGE_FILES, |
992 | .exclusive_lock_type = 0, | |
993 | .shared_lock_type = LOCKING_ANDX_SHARED_LOCK, | |
994 | .unlock_lock_type = 0, | |
1887f601 PS |
995 | .header_size = sizeof(struct smb_hdr), |
996 | .max_header_size = MAX_CIFS_HDR_SIZE, | |
eb378711 | 997 | .read_rsp_size = sizeof(READ_RSP), |
2dc7e1c0 | 998 | .lock_cmd = cpu_to_le16(SMB_COM_LOCKING_ANDX), |
29e20f9c PS |
999 | .cap_unix = CAP_UNIX, |
1000 | .cap_nt_find = CAP_NT_SMBS | CAP_NT_FIND, | |
1001 | .cap_large_files = CAP_LARGE_FILES, | |
50285882 JL |
1002 | .signing_enabled = SECMODE_SIGN_ENABLED, |
1003 | .signing_required = SECMODE_SIGN_REQUIRED, | |
23db65f5 | 1004 | }; |