2 * SMB1 (CIFS) version specific operations
4 * Copyright (c) 2012, Jeff Layton <jlayton@redhat.com>
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.
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.
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
21 #include "cifsproto.h"
22 #include "cifs_debug.h"
26 * An NT cancel request header looks just like the original request except:
28 * The Command is SMB_COM_NT_CANCEL
29 * The WordCount is zeroed out
30 * The ByteCount is zeroed out
32 * This function mangles an existing request buffer into a
33 * SMB_COM_NT_CANCEL request and then sends it.
36 send_nt_cancel(struct TCP_Server_Info *server, void *buf,
37 struct mid_q_entry *mid)
40 struct smb_hdr *in_buf = (struct smb_hdr *)buf;
42 /* -4 for RFC1001 length and +2 for BCC field */
43 in_buf->smb_buf_length = cpu_to_be32(sizeof(struct smb_hdr) - 4 + 2);
44 in_buf->Command = SMB_COM_NT_CANCEL;
45 in_buf->WordCount = 0;
48 mutex_lock(&server->srv_mutex);
49 rc = cifs_sign_smb(in_buf, server, &mid->sequence_number);
51 mutex_unlock(&server->srv_mutex);
54 rc = smb_send(server, in_buf, be32_to_cpu(in_buf->smb_buf_length));
55 mutex_unlock(&server->srv_mutex);
57 cFYI(1, "issued NT_CANCEL for mid %u, rc = %d",
64 cifs_compare_fids(struct cifsFileInfo *ob1, struct cifsFileInfo *ob2)
66 return ob1->fid.netfid == ob2->fid.netfid;
70 cifs_read_data_offset(char *buf)
72 READ_RSP *rsp = (READ_RSP *)buf;
73 return le16_to_cpu(rsp->DataOffset);
77 cifs_read_data_length(char *buf)
79 READ_RSP *rsp = (READ_RSP *)buf;
80 return (le16_to_cpu(rsp->DataLengthHigh) << 16) +
81 le16_to_cpu(rsp->DataLength);
84 static struct mid_q_entry *
85 cifs_find_mid(struct TCP_Server_Info *server, char *buffer)
87 struct smb_hdr *buf = (struct smb_hdr *)buffer;
88 struct mid_q_entry *mid;
90 spin_lock(&GlobalMid_Lock);
91 list_for_each_entry(mid, &server->pending_mid_q, qhead) {
92 if (mid->mid == buf->Mid &&
93 mid->mid_state == MID_REQUEST_SUBMITTED &&
94 le16_to_cpu(mid->command) == buf->Command) {
95 spin_unlock(&GlobalMid_Lock);
99 spin_unlock(&GlobalMid_Lock);
104 cifs_add_credits(struct TCP_Server_Info *server, const unsigned int add,
107 spin_lock(&server->req_lock);
108 server->credits += add;
110 spin_unlock(&server->req_lock);
111 wake_up(&server->request_q);
115 cifs_set_credits(struct TCP_Server_Info *server, const int val)
117 spin_lock(&server->req_lock);
118 server->credits = val;
119 server->oplocks = val > 1 ? enable_oplocks : false;
120 spin_unlock(&server->req_lock);
124 cifs_get_credits_field(struct TCP_Server_Info *server, const int optype)
126 return &server->credits;
130 cifs_get_credits(struct mid_q_entry *mid)
136 * Find a free multiplex id (SMB mid). Otherwise there could be
137 * mid collisions which might cause problems, demultiplexing the
138 * wrong response to this request. Multiplex ids could collide if
139 * one of a series requests takes much longer than the others, or
140 * if a very large number of long lived requests (byte range
141 * locks or FindNotify requests) are pending. No more than
142 * 64K-1 requests can be outstanding at one time. If no
143 * mids are available, return zero. A future optimization
144 * could make the combination of mids and uid the key we use
145 * to demultiplex on (rather than mid alone).
146 * In addition to the above check, the cifs demultiplex
147 * code already used the command code as a secondary
148 * check of the frame and if signing is negotiated the
149 * response would be discarded if the mid were the same
150 * but the signature was wrong. Since the mid is not put in the
151 * pending queue until later (when it is about to be dispatched)
152 * we do have to limit the number of outstanding requests
153 * to somewhat less than 64K-1 although it is hard to imagine
154 * so many threads being in the vfs at one time.
157 cifs_get_next_mid(struct TCP_Server_Info *server)
160 __u16 last_mid, cur_mid;
163 spin_lock(&GlobalMid_Lock);
165 /* mid is 16 bit only for CIFS/SMB */
166 cur_mid = (__u16)((server->CurrentMid) & 0xffff);
167 /* we do not want to loop forever */
172 * This nested loop looks more expensive than it is.
173 * In practice the list of pending requests is short,
174 * fewer than 50, and the mids are likely to be unique
175 * on the first pass through the loop unless some request
176 * takes longer than the 64 thousand requests before it
177 * (and it would also have to have been a request that
180 while (cur_mid != last_mid) {
181 struct mid_q_entry *mid_entry;
182 unsigned int num_mids;
189 list_for_each_entry(mid_entry, &server->pending_mid_q, qhead) {
191 if (mid_entry->mid == cur_mid &&
192 mid_entry->mid_state == MID_REQUEST_SUBMITTED) {
193 /* This mid is in use, try a different one */
200 * if we have more than 32k mids in the list, then something
201 * is very wrong. Possibly a local user is trying to DoS the
202 * box by issuing long-running calls and SIGKILL'ing them. If
203 * we get to 2^16 mids then we're in big trouble as this
204 * function could loop forever.
206 * Go ahead and assign out the mid in this situation, but force
207 * an eventual reconnect to clean out the pending_mid_q.
209 if (num_mids > 32768)
210 server->tcpStatus = CifsNeedReconnect;
213 mid = (__u64)cur_mid;
214 server->CurrentMid = mid;
219 spin_unlock(&GlobalMid_Lock);
225 0 not a transact2, or all data present
226 >0 transact2 with that much data missing
227 -EINVAL invalid transact2
230 check2ndT2(char *buf)
232 struct smb_hdr *pSMB = (struct smb_hdr *)buf;
233 struct smb_t2_rsp *pSMBt;
235 __u16 total_data_size, data_in_this_rsp;
237 if (pSMB->Command != SMB_COM_TRANSACTION2)
240 /* check for plausible wct, bcc and t2 data and parm sizes */
241 /* check for parm and data offset going beyond end of smb */
242 if (pSMB->WordCount != 10) { /* coalesce_t2 depends on this */
243 cFYI(1, "invalid transact2 word count");
247 pSMBt = (struct smb_t2_rsp *)pSMB;
249 total_data_size = get_unaligned_le16(&pSMBt->t2_rsp.TotalDataCount);
250 data_in_this_rsp = get_unaligned_le16(&pSMBt->t2_rsp.DataCount);
252 if (total_data_size == data_in_this_rsp)
254 else if (total_data_size < data_in_this_rsp) {
255 cFYI(1, "total data %d smaller than data in frame %d",
256 total_data_size, data_in_this_rsp);
260 remaining = total_data_size - data_in_this_rsp;
262 cFYI(1, "missing %d bytes from transact2, check next response",
264 if (total_data_size > CIFSMaxBufSize) {
265 cERROR(1, "TotalDataSize %d is over maximum buffer %d",
266 total_data_size, CIFSMaxBufSize);
273 coalesce_t2(char *second_buf, struct smb_hdr *target_hdr)
275 struct smb_t2_rsp *pSMBs = (struct smb_t2_rsp *)second_buf;
276 struct smb_t2_rsp *pSMBt = (struct smb_t2_rsp *)target_hdr;
277 char *data_area_of_tgt;
278 char *data_area_of_src;
280 unsigned int byte_count, total_in_tgt;
281 __u16 tgt_total_cnt, src_total_cnt, total_in_src;
283 src_total_cnt = get_unaligned_le16(&pSMBs->t2_rsp.TotalDataCount);
284 tgt_total_cnt = get_unaligned_le16(&pSMBt->t2_rsp.TotalDataCount);
286 if (tgt_total_cnt != src_total_cnt)
287 cFYI(1, "total data count of primary and secondary t2 differ "
288 "source=%hu target=%hu", src_total_cnt, tgt_total_cnt);
290 total_in_tgt = get_unaligned_le16(&pSMBt->t2_rsp.DataCount);
292 remaining = tgt_total_cnt - total_in_tgt;
295 cFYI(1, "Server sent too much data. tgt_total_cnt=%hu "
296 "total_in_tgt=%hu", tgt_total_cnt, total_in_tgt);
300 if (remaining == 0) {
301 /* nothing to do, ignore */
302 cFYI(1, "no more data remains");
306 total_in_src = get_unaligned_le16(&pSMBs->t2_rsp.DataCount);
307 if (remaining < total_in_src)
308 cFYI(1, "transact2 2nd response contains too much data");
310 /* find end of first SMB data area */
311 data_area_of_tgt = (char *)&pSMBt->hdr.Protocol +
312 get_unaligned_le16(&pSMBt->t2_rsp.DataOffset);
314 /* validate target area */
315 data_area_of_src = (char *)&pSMBs->hdr.Protocol +
316 get_unaligned_le16(&pSMBs->t2_rsp.DataOffset);
318 data_area_of_tgt += total_in_tgt;
320 total_in_tgt += total_in_src;
321 /* is the result too big for the field? */
322 if (total_in_tgt > USHRT_MAX) {
323 cFYI(1, "coalesced DataCount too large (%u)", total_in_tgt);
326 put_unaligned_le16(total_in_tgt, &pSMBt->t2_rsp.DataCount);
329 byte_count = get_bcc(target_hdr);
330 byte_count += total_in_src;
331 /* is the result too big for the field? */
332 if (byte_count > USHRT_MAX) {
333 cFYI(1, "coalesced BCC too large (%u)", byte_count);
336 put_bcc(byte_count, target_hdr);
338 byte_count = be32_to_cpu(target_hdr->smb_buf_length);
339 byte_count += total_in_src;
340 /* don't allow buffer to overflow */
341 if (byte_count > CIFSMaxBufSize + MAX_CIFS_HDR_SIZE - 4) {
342 cFYI(1, "coalesced BCC exceeds buffer size (%u)", byte_count);
345 target_hdr->smb_buf_length = cpu_to_be32(byte_count);
347 /* copy second buffer into end of first buffer */
348 memcpy(data_area_of_tgt, data_area_of_src, total_in_src);
350 if (remaining != total_in_src) {
351 /* more responses to go */
352 cFYI(1, "waiting for more secondary responses");
357 cFYI(1, "found the last secondary response");
362 cifs_check_trans2(struct mid_q_entry *mid, struct TCP_Server_Info *server,
363 char *buf, int malformed)
367 if (check2ndT2(buf) <= 0)
369 mid->multiRsp = true;
371 /* merge response - fix up 1st*/
372 malformed = coalesce_t2(buf, mid->resp_buf);
375 /* All parts received or packet is malformed. */
376 mid->multiEnd = true;
377 dequeue_mid(mid, malformed);
380 if (!server->large_buf) {
381 /*FIXME: switch to already allocated largebuf?*/
382 cERROR(1, "1st trans2 resp needs bigbuf");
384 /* Have first buffer */
386 mid->large_buf = true;
387 server->bigbuf = NULL;
393 cifs_need_neg(struct TCP_Server_Info *server)
395 return server->maxBuf == 0;
399 cifs_negotiate(const unsigned int xid, struct cifs_ses *ses)
402 rc = CIFSSMBNegotiate(xid, ses);
404 /* retry only once on 1st time connection */
405 set_credits(ses->server, 1);
406 rc = CIFSSMBNegotiate(xid, ses);
414 cifs_qfs_tcon(const unsigned int xid, struct cifs_tcon *tcon)
416 CIFSSMBQFSDeviceInfo(xid, tcon);
417 CIFSSMBQFSAttributeInfo(xid, tcon);
421 cifs_is_path_accessible(const unsigned int xid, struct cifs_tcon *tcon,
422 struct cifs_sb_info *cifs_sb, const char *full_path)
425 FILE_ALL_INFO *file_info;
427 file_info = kmalloc(sizeof(FILE_ALL_INFO), GFP_KERNEL);
428 if (file_info == NULL)
431 rc = CIFSSMBQPathInfo(xid, tcon, full_path, file_info,
432 0 /* not legacy */, cifs_sb->local_nls,
433 cifs_sb->mnt_cifs_flags &
434 CIFS_MOUNT_MAP_SPECIAL_CHR);
436 if (rc == -EOPNOTSUPP || rc == -EINVAL)
437 rc = SMBQueryInformation(xid, tcon, full_path, file_info,
438 cifs_sb->local_nls, cifs_sb->mnt_cifs_flags &
439 CIFS_MOUNT_MAP_SPECIAL_CHR);
445 cifs_query_path_info(const unsigned int xid, struct cifs_tcon *tcon,
446 struct cifs_sb_info *cifs_sb, const char *full_path,
447 FILE_ALL_INFO *data, bool *adjustTZ)
451 /* could do find first instead but this returns more info */
452 rc = CIFSSMBQPathInfo(xid, tcon, full_path, data, 0 /* not legacy */,
453 cifs_sb->local_nls, cifs_sb->mnt_cifs_flags &
454 CIFS_MOUNT_MAP_SPECIAL_CHR);
456 * BB optimize code so we do not make the above call when server claims
457 * no NT SMB support and the above call failed at least once - set flag
460 if ((rc == -EOPNOTSUPP) || (rc == -EINVAL)) {
461 rc = SMBQueryInformation(xid, tcon, full_path, data,
463 cifs_sb->mnt_cifs_flags &
464 CIFS_MOUNT_MAP_SPECIAL_CHR);
471 cifs_get_srv_inum(const unsigned int xid, struct cifs_tcon *tcon,
472 struct cifs_sb_info *cifs_sb, const char *full_path,
473 u64 *uniqueid, FILE_ALL_INFO *data)
476 * We can not use the IndexNumber field by default from Windows or
477 * Samba (in ALL_INFO buf) but we can request it explicitly. The SNIA
478 * CIFS spec claims that this value is unique within the scope of a
479 * share, and the windows docs hint that it's actually unique
482 * There may be higher info levels that work but are there Windows
483 * server or network appliances for which IndexNumber field is not
486 return CIFSGetSrvInodeNumber(xid, tcon, full_path, uniqueid,
488 cifs_sb->mnt_cifs_flags &
489 CIFS_MOUNT_MAP_SPECIAL_CHR);
493 cifs_build_path_to_root(struct smb_vol *vol, struct cifs_sb_info *cifs_sb,
494 struct cifs_tcon *tcon)
496 int pplen = vol->prepath ? strlen(vol->prepath) : 0;
498 char *full_path = NULL;
500 /* if no prefix path, simply set path to the root of share to "" */
502 full_path = kzalloc(1, GFP_KERNEL);
506 if (tcon->Flags & SMB_SHARE_IS_IN_DFS)
507 dfsplen = strnlen(tcon->treeName, MAX_TREE_SIZE + 1);
511 full_path = kmalloc(dfsplen + pplen + 1, GFP_KERNEL);
512 if (full_path == NULL)
516 strncpy(full_path, tcon->treeName, dfsplen);
517 strncpy(full_path + dfsplen, vol->prepath, pplen);
518 convert_delimiter(full_path, CIFS_DIR_SEP(cifs_sb));
519 full_path[dfsplen + pplen] = 0; /* add trailing null */
524 cifs_clear_stats(struct cifs_tcon *tcon)
526 #ifdef CONFIG_CIFS_STATS
527 atomic_set(&tcon->stats.cifs_stats.num_writes, 0);
528 atomic_set(&tcon->stats.cifs_stats.num_reads, 0);
529 atomic_set(&tcon->stats.cifs_stats.num_flushes, 0);
530 atomic_set(&tcon->stats.cifs_stats.num_oplock_brks, 0);
531 atomic_set(&tcon->stats.cifs_stats.num_opens, 0);
532 atomic_set(&tcon->stats.cifs_stats.num_posixopens, 0);
533 atomic_set(&tcon->stats.cifs_stats.num_posixmkdirs, 0);
534 atomic_set(&tcon->stats.cifs_stats.num_closes, 0);
535 atomic_set(&tcon->stats.cifs_stats.num_deletes, 0);
536 atomic_set(&tcon->stats.cifs_stats.num_mkdirs, 0);
537 atomic_set(&tcon->stats.cifs_stats.num_rmdirs, 0);
538 atomic_set(&tcon->stats.cifs_stats.num_renames, 0);
539 atomic_set(&tcon->stats.cifs_stats.num_t2renames, 0);
540 atomic_set(&tcon->stats.cifs_stats.num_ffirst, 0);
541 atomic_set(&tcon->stats.cifs_stats.num_fnext, 0);
542 atomic_set(&tcon->stats.cifs_stats.num_fclose, 0);
543 atomic_set(&tcon->stats.cifs_stats.num_hardlinks, 0);
544 atomic_set(&tcon->stats.cifs_stats.num_symlinks, 0);
545 atomic_set(&tcon->stats.cifs_stats.num_locks, 0);
546 atomic_set(&tcon->stats.cifs_stats.num_acl_get, 0);
547 atomic_set(&tcon->stats.cifs_stats.num_acl_set, 0);
552 cifs_print_stats(struct seq_file *m, struct cifs_tcon *tcon)
554 #ifdef CONFIG_CIFS_STATS
555 seq_printf(m, " Oplocks breaks: %d",
556 atomic_read(&tcon->stats.cifs_stats.num_oplock_brks));
557 seq_printf(m, "\nReads: %d Bytes: %llu",
558 atomic_read(&tcon->stats.cifs_stats.num_reads),
559 (long long)(tcon->bytes_read));
560 seq_printf(m, "\nWrites: %d Bytes: %llu",
561 atomic_read(&tcon->stats.cifs_stats.num_writes),
562 (long long)(tcon->bytes_written));
563 seq_printf(m, "\nFlushes: %d",
564 atomic_read(&tcon->stats.cifs_stats.num_flushes));
565 seq_printf(m, "\nLocks: %d HardLinks: %d Symlinks: %d",
566 atomic_read(&tcon->stats.cifs_stats.num_locks),
567 atomic_read(&tcon->stats.cifs_stats.num_hardlinks),
568 atomic_read(&tcon->stats.cifs_stats.num_symlinks));
569 seq_printf(m, "\nOpens: %d Closes: %d Deletes: %d",
570 atomic_read(&tcon->stats.cifs_stats.num_opens),
571 atomic_read(&tcon->stats.cifs_stats.num_closes),
572 atomic_read(&tcon->stats.cifs_stats.num_deletes));
573 seq_printf(m, "\nPosix Opens: %d Posix Mkdirs: %d",
574 atomic_read(&tcon->stats.cifs_stats.num_posixopens),
575 atomic_read(&tcon->stats.cifs_stats.num_posixmkdirs));
576 seq_printf(m, "\nMkdirs: %d Rmdirs: %d",
577 atomic_read(&tcon->stats.cifs_stats.num_mkdirs),
578 atomic_read(&tcon->stats.cifs_stats.num_rmdirs));
579 seq_printf(m, "\nRenames: %d T2 Renames %d",
580 atomic_read(&tcon->stats.cifs_stats.num_renames),
581 atomic_read(&tcon->stats.cifs_stats.num_t2renames));
582 seq_printf(m, "\nFindFirst: %d FNext %d FClose %d",
583 atomic_read(&tcon->stats.cifs_stats.num_ffirst),
584 atomic_read(&tcon->stats.cifs_stats.num_fnext),
585 atomic_read(&tcon->stats.cifs_stats.num_fclose));
590 cifs_mkdir_setinfo(struct inode *inode, const char *full_path,
591 struct cifs_sb_info *cifs_sb, struct cifs_tcon *tcon,
592 const unsigned int xid)
594 FILE_BASIC_INFO info;
595 struct cifsInodeInfo *cifsInode;
599 memset(&info, 0, sizeof(info));
600 cifsInode = CIFS_I(inode);
601 dosattrs = cifsInode->cifsAttrs|ATTR_READONLY;
602 info.Attributes = cpu_to_le32(dosattrs);
603 rc = CIFSSMBSetPathInfo(xid, tcon, full_path, &info, cifs_sb->local_nls,
604 cifs_sb->mnt_cifs_flags &
605 CIFS_MOUNT_MAP_SPECIAL_CHR);
607 cifsInode->cifsAttrs = dosattrs;
611 cifs_open_file(const unsigned int xid, struct cifs_tcon *tcon, const char *path,
612 int disposition, int desired_access, int create_options,
613 struct cifs_fid *fid, __u32 *oplock, FILE_ALL_INFO *buf,
614 struct cifs_sb_info *cifs_sb)
616 if (!(tcon->ses->capabilities & CAP_NT_SMBS))
617 return SMBLegacyOpen(xid, tcon, path, disposition,
618 desired_access, CREATE_NOT_DIR,
619 &fid->netfid, oplock, buf,
620 cifs_sb->local_nls, cifs_sb->mnt_cifs_flags
621 & CIFS_MOUNT_MAP_SPECIAL_CHR);
622 return CIFSSMBOpen(xid, tcon, path, disposition, desired_access,
623 create_options, &fid->netfid, oplock, buf,
624 cifs_sb->local_nls, cifs_sb->mnt_cifs_flags &
625 CIFS_MOUNT_MAP_SPECIAL_CHR);
629 cifs_set_fid(struct cifsFileInfo *cfile, struct cifs_fid *fid, __u32 oplock)
631 struct cifsInodeInfo *cinode = CIFS_I(cfile->dentry->d_inode);
632 cfile->fid.netfid = fid->netfid;
633 cifs_set_oplock_level(cinode, oplock);
634 cinode->can_cache_brlcks = cinode->clientCanCacheAll;
637 struct smb_version_operations smb1_operations = {
638 .send_cancel = send_nt_cancel,
639 .compare_fids = cifs_compare_fids,
640 .setup_request = cifs_setup_request,
641 .setup_async_request = cifs_setup_async_request,
642 .check_receive = cifs_check_receive,
643 .add_credits = cifs_add_credits,
644 .set_credits = cifs_set_credits,
645 .get_credits_field = cifs_get_credits_field,
646 .get_credits = cifs_get_credits,
647 .get_next_mid = cifs_get_next_mid,
648 .read_data_offset = cifs_read_data_offset,
649 .read_data_length = cifs_read_data_length,
650 .map_error = map_smb_to_linux_error,
651 .find_mid = cifs_find_mid,
652 .check_message = checkSMB,
653 .dump_detail = cifs_dump_detail,
654 .clear_stats = cifs_clear_stats,
655 .print_stats = cifs_print_stats,
656 .is_oplock_break = is_valid_oplock_break,
657 .check_trans2 = cifs_check_trans2,
658 .need_neg = cifs_need_neg,
659 .negotiate = cifs_negotiate,
660 .sess_setup = CIFS_SessSetup,
661 .logoff = CIFSSMBLogoff,
662 .tree_connect = CIFSTCon,
663 .tree_disconnect = CIFSSMBTDis,
664 .get_dfs_refer = CIFSGetDFSRefer,
665 .qfs_tcon = cifs_qfs_tcon,
666 .is_path_accessible = cifs_is_path_accessible,
667 .query_path_info = cifs_query_path_info,
668 .get_srv_inum = cifs_get_srv_inum,
669 .build_path_to_root = cifs_build_path_to_root,
671 .mkdir = CIFSSMBMkDir,
672 .mkdir_setinfo = cifs_mkdir_setinfo,
673 .rmdir = CIFSSMBRmDir,
674 .unlink = CIFSSMBDelFile,
675 .rename_pending_delete = cifs_rename_pending_delete,
676 .open = cifs_open_file,
677 .set_fid = cifs_set_fid,
680 struct smb_version_values smb1_values = {
681 .version_string = SMB1_VERSION_STRING,
682 .large_lock_type = LOCKING_ANDX_LARGE_FILES,
683 .exclusive_lock_type = 0,
684 .shared_lock_type = LOCKING_ANDX_SHARED_LOCK,
685 .unlock_lock_type = 0,
686 .header_size = sizeof(struct smb_hdr),
687 .max_header_size = MAX_CIFS_HDR_SIZE,
688 .read_rsp_size = sizeof(READ_RSP),
689 .lock_cmd = cpu_to_le16(SMB_COM_LOCKING_ANDX),
690 .cap_unix = CAP_UNIX,
691 .cap_nt_find = CAP_NT_SMBS | CAP_NT_FIND,
692 .cap_large_files = CAP_LARGE_FILES,