?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
s3: Fix a typo
[Samba/gebeck_regimport.git] / source3 / modules / vfs_gpfs.c
bloba39187e487446d269580dc4d16714a2465e9e04c
1 /*
2 Unix SMB/CIFS implementation.
3 Wrap gpfs calls in vfs functions.
4
5 Copyright (C) Christian Ambach <cambach1@de.ibm.com> 2006
6
7 Major code contributions by Chetan Shringarpure <chetan.sh@in.ibm.com>
8 and Gomati Mohanan <gomati.mohanan@in.ibm.com>
9
10 This program is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 3 of the License, or
13 (at your option) any later version.
14
15 This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
19
20 You should have received a copy of the GNU General Public License
21 along with this program. If not, see <http://www.gnu.org/licenses/>.
22 */
23
24 #include "includes.h"
25 #include "smbd/smbd.h"
26 #include "librpc/gen_ndr/ndr_xattr.h"
27 #include "include/smbprofile.h"
28
29 #undef DBGC_CLASS
30 #define DBGC_CLASS DBGC_VFS
31
32 #include <gpfs_gpl.h>
33 #include "nfs4_acls.h"
34 #include "vfs_gpfs.h"
35 #include "system/filesys.h"
36 #include "auth.h"
37 #include "lib/util/tevent_unix.h"
38
39 struct gpfs_config_data {
40 bool sharemodes;
41 bool leases;
42 bool hsm;
43 bool syncio;
44 bool winattr;
45 bool ftruncate;
46 bool getrealfilename;
47 bool dfreequota;
48 bool prealloc;
49 bool acl;
50 };
51
52
53 static int vfs_gpfs_kernel_flock(vfs_handle_struct *handle, files_struct *fsp,
54 uint32 share_mode, uint32 access_mask)
55 {
56
57 struct gpfs_config_data *config;
58 int ret = 0;
59
60 SMB_VFS_HANDLE_GET_DATA(handle, config,
61 struct gpfs_config_data,
62 return -1);
63
64 START_PROFILE(syscall_kernel_flock);
65
66 kernel_flock(fsp->fh->fd, share_mode, access_mask);
67
68 if (config->sharemodes
69 && !set_gpfs_sharemode(fsp, access_mask, fsp->share_access)) {
70 ret = -1;
71 }
72
73 END_PROFILE(syscall_kernel_flock);
74
75 return ret;
76 }
77
78 static int vfs_gpfs_close(vfs_handle_struct *handle, files_struct *fsp)
79 {
80
81 struct gpfs_config_data *config;
82
83 SMB_VFS_HANDLE_GET_DATA(handle, config,
84 struct gpfs_config_data,
85 return -1);
86
87 if (config->sharemodes && (fsp->fh != NULL) && (fsp->fh->fd != -1)) {
88 set_gpfs_sharemode(fsp, 0, 0);
89 }
90
91 return SMB_VFS_NEXT_CLOSE(handle, fsp);
92 }
93
94 static int vfs_gpfs_setlease(vfs_handle_struct *handle, files_struct *fsp,
95 int leasetype)
96 {
97 struct gpfs_config_data *config;
98 int ret=0;
99
100 SMB_VFS_HANDLE_GET_DATA(handle, config,
101 struct gpfs_config_data,
102 return -1);
103
104 if (linux_set_lease_sighandler(fsp->fh->fd) == -1)
105 return -1;
106
107 START_PROFILE(syscall_linux_setlease);
108
109 if (config->leases) {
110 ret = set_gpfs_lease(fsp->fh->fd,leasetype);
111 }
112
113 END_PROFILE(syscall_linux_setlease);
114
115 return ret;
116 }
117
118 static int vfs_gpfs_get_real_filename(struct vfs_handle_struct *handle,
119 const char *path,
120 const char *name,
121 TALLOC_CTX *mem_ctx,
122 char **found_name)
123 {
124 int result;
125 char *full_path;
126 char real_pathname[PATH_MAX+1];
127 int buflen;
128 bool mangled;
129 struct gpfs_config_data *config;
130
131 SMB_VFS_HANDLE_GET_DATA(handle, config,
132 struct gpfs_config_data,
133 return -1);
134
135 if (!config->getrealfilename) {
136 return SMB_VFS_NEXT_GET_REAL_FILENAME(handle, path, name,
137 mem_ctx, found_name);
138 }
139
140 mangled = mangle_is_mangled(name, handle->conn->params);
141 if (mangled) {
142 return SMB_VFS_NEXT_GET_REAL_FILENAME(handle, path, name,
143 mem_ctx, found_name);
144 }
145
146 full_path = talloc_asprintf(talloc_tos(), "%s/%s", path, name);
147 if (full_path == NULL) {
148 errno = ENOMEM;
149 return -1;
150 }
151
152 buflen = sizeof(real_pathname) - 1;
153
154 result = smbd_gpfs_get_realfilename_path(full_path, real_pathname,
155 &buflen);
156
157 TALLOC_FREE(full_path);
158
159 if ((result == -1) && (errno == ENOSYS)) {
160 return SMB_VFS_NEXT_GET_REAL_FILENAME(
161 handle, path, name, mem_ctx, found_name);
162 }
163
164 if (result == -1) {
165 DEBUG(10, ("smbd_gpfs_get_realfilename_path returned %s\n",
166 strerror(errno)));
167 return -1;
168 }
169
170 /*
171 * GPFS does not necessarily null-terminate the returned path
172 * but instead returns the buffer length in buflen.
173 */
174
175 if (buflen < sizeof(real_pathname)) {
176 real_pathname[buflen] = '\0';
177 } else {
178 real_pathname[sizeof(real_pathname)-1] = '\0';
179 }
180
181 DEBUG(10, ("smbd_gpfs_get_realfilename_path: %s/%s -> %s\n",
182 path, name, real_pathname));
183
184 name = strrchr_m(real_pathname, '/');
185 if (name == NULL) {
186 errno = ENOENT;
187 return -1;
188 }
189
190 *found_name = talloc_strdup(mem_ctx, name+1);
191 if (*found_name == NULL) {
192 errno = ENOMEM;
193 return -1;
194 }
195
196 return 0;
197 }
198
199 static void gpfs_dumpacl(int level, struct gpfs_acl *gacl)
200 {
201 gpfs_aclCount_t i;
202 if (gacl==NULL)
203 {
204 DEBUG(0, ("gpfs acl is NULL\n"));
205 return;
206 }
207
208 DEBUG(level, ("gpfs acl: nace: %d, type:%d, version:%d, level:%d, len:%d\n",
209 gacl->acl_nace, gacl->acl_type, gacl->acl_version, gacl->acl_level, gacl->acl_len));
210 for(i=0; i<gacl->acl_nace; i++)
211 {
212 struct gpfs_ace_v4 *gace = gacl->ace_v4 + i;
213 DEBUG(level, ("\tace[%d]: type:%d, flags:0x%x, mask:0x%x, iflags:0x%x, who:%u\n",
214 i, gace->aceType, gace->aceFlags, gace->aceMask,
215 gace->aceIFlags, gace->aceWho));
216 }
217 }
218
219 static struct gpfs_acl *gpfs_getacl_alloc(const char *fname, gpfs_aclType_t type)
220 {
221 struct gpfs_acl *acl;
222 size_t len = 200;
223 int ret;
224 TALLOC_CTX *mem_ctx = talloc_tos();
225
226 acl = (struct gpfs_acl *)TALLOC_SIZE(mem_ctx, len);
227 if (acl == NULL) {
228 errno = ENOMEM;
229 return NULL;
230 }
231
232 acl->acl_len = len;
233 acl->acl_level = 0;
234 acl->acl_version = 0;
235 acl->acl_type = type;
236
237 ret = smbd_gpfs_getacl((char *)fname, GPFS_GETACL_STRUCT, acl);
238 if ((ret != 0) && (errno == ENOSPC)) {
239 struct gpfs_acl *new_acl = (struct gpfs_acl *)TALLOC_SIZE(
240 mem_ctx, acl->acl_len + sizeof(struct gpfs_acl));
241 if (new_acl == NULL) {
242 errno = ENOMEM;
243 return NULL;
244 }
245
246 new_acl->acl_len = acl->acl_len;
247 new_acl->acl_level = acl->acl_level;
248 new_acl->acl_version = acl->acl_version;
249 new_acl->acl_type = acl->acl_type;
250 acl = new_acl;
251
252 ret = smbd_gpfs_getacl((char *)fname, GPFS_GETACL_STRUCT, acl);
253 }
254 if (ret != 0)
255 {
256 DEBUG(8, ("smbd_gpfs_getacl failed with %s\n",strerror(errno)));
257 return NULL;
258 }
259
260 return acl;
261 }
262
263 /* Tries to get nfs4 acls and returns SMB ACL allocated.
264 * On failure returns 1 if it got non-NFSv4 ACL to prompt
265 * retry with POSIX ACL checks.
266 * On failure returns -1 if there is system (GPFS) error, check errno.
267 * Returns 0 on success
268 */
269 static int gpfs_get_nfs4_acl(const char *fname, SMB4ACL_T **ppacl)
270 {
271 gpfs_aclCount_t i;
272 struct gpfs_acl *gacl = NULL;
273 DEBUG(10, ("gpfs_get_nfs4_acl invoked for %s\n", fname));
274
275 /* First get the real acl length */
276 gacl = gpfs_getacl_alloc(fname, 0);
277 if (gacl == NULL) {
278 DEBUG(9, ("gpfs_getacl failed for %s with %s\n",
279 fname, strerror(errno)));
280 return -1;
281 }
282
283 if (gacl->acl_type != GPFS_ACL_TYPE_NFS4) {
284 DEBUG(10, ("Got non-nfsv4 acl\n"));
285 /* Retry with POSIX ACLs check */
286 return 1;
287 }
288
289 *ppacl = smb_create_smb4acl();
290
291 DEBUG(10, ("len: %d, level: %d, version: %d, nace: %d\n",
292 gacl->acl_len, gacl->acl_level, gacl->acl_version,
293 gacl->acl_nace));
294
295 for (i=0; i<gacl->acl_nace; i++) {
296 struct gpfs_ace_v4 *gace = &gacl->ace_v4[i];
297 SMB_ACE4PROP_T smbace;
298 DEBUG(10, ("type: %d, iflags: %x, flags: %x, mask: %x, "
299 "who: %d\n", gace->aceType, gace->aceIFlags,
300 gace->aceFlags, gace->aceMask, gace->aceWho));
301
302 ZERO_STRUCT(smbace);
303 if (gace->aceIFlags & ACE4_IFLAG_SPECIAL_ID) {
304 smbace.flags |= SMB_ACE4_ID_SPECIAL;
305 switch (gace->aceWho) {
306 case ACE4_SPECIAL_OWNER:
307 smbace.who.special_id = SMB_ACE4_WHO_OWNER;
308 break;
309 case ACE4_SPECIAL_GROUP:
310 smbace.who.special_id = SMB_ACE4_WHO_GROUP;
311 break;
312 case ACE4_SPECIAL_EVERYONE:
313 smbace.who.special_id = SMB_ACE4_WHO_EVERYONE;
314 break;
315 default:
316 DEBUG(8, ("invalid special gpfs id %d "
317 "ignored\n", gace->aceWho));
318 continue; /* don't add it */
319 }
320 } else {
321 if (gace->aceFlags & ACE4_FLAG_GROUP_ID)
322 smbace.who.gid = gace->aceWho;
323 else
324 smbace.who.uid = gace->aceWho;
325 }
326
327 /* remove redundent deny entries */
328 if (i > 0 && gace->aceType == SMB_ACE4_ACCESS_DENIED_ACE_TYPE) {
329 struct gpfs_ace_v4 *prev = &gacl->ace_v4[i-1];
330 if (prev->aceType == SMB_ACE4_ACCESS_ALLOWED_ACE_TYPE &&
331 prev->aceFlags == gace->aceFlags &&
332 prev->aceIFlags == gace->aceIFlags &&
333 (gace->aceMask & prev->aceMask) == 0 &&
334 gace->aceWho == prev->aceWho) {
335 /* its redundent - skip it */
336 continue;
337 }
338 }
339
340 smbace.aceType = gace->aceType;
341 smbace.aceFlags = gace->aceFlags;
342 smbace.aceMask = gace->aceMask;
343 smb_add_ace4(*ppacl, &smbace);
344 }
345
346 return 0;
347 }
348
349 static NTSTATUS gpfsacl_fget_nt_acl(vfs_handle_struct *handle,
350 files_struct *fsp, uint32 security_info,
351 struct security_descriptor **ppdesc)
352 {
353 SMB4ACL_T *pacl = NULL;
354 int result;
355 struct gpfs_config_data *config;
356
357 *ppdesc = NULL;
358
359 SMB_VFS_HANDLE_GET_DATA(handle, config,
360 struct gpfs_config_data,
361 return NT_STATUS_INTERNAL_ERROR);
362
363 if (!config->acl) {
364 return SMB_VFS_NEXT_FGET_NT_ACL(handle, fsp, security_info, ppdesc);
365 }
366
367 result = gpfs_get_nfs4_acl(fsp->fsp_name->base_name, &pacl);
368
369 if (result == 0)
370 return smb_fget_nt_acl_nfs4(fsp, security_info, ppdesc, pacl);
371
372 if (result > 0) {
373 DEBUG(10, ("retrying with posix acl...\n"));
374 return posix_fget_nt_acl(fsp, security_info, ppdesc);
375 }
376
377 /* GPFS ACL was not read, something wrong happened, error code is set in errno */
378 return map_nt_error_from_unix(errno);
379 }
380
381 static NTSTATUS gpfsacl_get_nt_acl(vfs_handle_struct *handle,
382 const char *name,
383 uint32 security_info, struct security_descriptor **ppdesc)
384 {
385 SMB4ACL_T *pacl = NULL;
386 int result;
387 struct gpfs_config_data *config;
388
389 *ppdesc = NULL;
390
391 SMB_VFS_HANDLE_GET_DATA(handle, config,
392 struct gpfs_config_data,
393 return NT_STATUS_INTERNAL_ERROR);
394
395 if (!config->acl) {
396 return SMB_VFS_NEXT_GET_NT_ACL(handle, name, security_info, ppdesc);
397 }
398
399 result = gpfs_get_nfs4_acl(name, &pacl);
400
401 if (result == 0)
402 return smb_get_nt_acl_nfs4(handle->conn, name, security_info, ppdesc, pacl);
403
404 if (result > 0) {
405 DEBUG(10, ("retrying with posix acl...\n"));
406 return posix_get_nt_acl(handle->conn, name, security_info, ppdesc);
407 }
408
409 /* GPFS ACL was not read, something wrong happened, error code is set in errno */
410 return map_nt_error_from_unix(errno);
411 }
412
413 static bool gpfsacl_process_smbacl(files_struct *fsp, SMB4ACL_T *smbacl)
414 {
415 int ret;
416 gpfs_aclLen_t gacl_len;
417 SMB4ACE_T *smbace;
418 struct gpfs_acl *gacl;
419 TALLOC_CTX *mem_ctx = talloc_tos();
420
421 gacl_len = offsetof(gpfs_acl_t, ace_v4) + smb_get_naces(smbacl) *
422 sizeof(gpfs_ace_v4_t);
423
424 gacl = (struct gpfs_acl *)TALLOC_SIZE(mem_ctx, gacl_len);
425 if (gacl == NULL) {
426 DEBUG(0, ("talloc failed\n"));
427 errno = ENOMEM;
428 return False;
429 }
430
431 gacl->acl_len = gacl_len;
432 gacl->acl_level = 0;
433 gacl->acl_version = GPFS_ACL_VERSION_NFS4;
434 gacl->acl_type = GPFS_ACL_TYPE_NFS4;
435 gacl->acl_nace = 0; /* change later... */
436
437 for (smbace=smb_first_ace4(smbacl); smbace!=NULL; smbace = smb_next_ace4(smbace)) {
438 struct gpfs_ace_v4 *gace = &gacl->ace_v4[gacl->acl_nace];
439 SMB_ACE4PROP_T *aceprop = smb_get_ace4(smbace);
440
441 gace->aceType = aceprop->aceType;
442 gace->aceFlags = aceprop->aceFlags;
443 gace->aceMask = aceprop->aceMask;
444
445 /*
446 * GPFS can't distinguish between WRITE and APPEND on
447 * files, so one being set without the other is an
448 * error. Sorry for the many ()'s :-)
449 */
450
451 if (!fsp->is_directory
452 &&
453 ((((gace->aceMask & ACE4_MASK_WRITE) == 0)
454 && ((gace->aceMask & ACE4_MASK_APPEND) != 0))
455 ||
456 (((gace->aceMask & ACE4_MASK_WRITE) != 0)
457 && ((gace->aceMask & ACE4_MASK_APPEND) == 0)))
458 &&
459 lp_parm_bool(fsp->conn->params->service, "gpfs",
460 "merge_writeappend", True)) {
461 DEBUG(2, ("vfs_gpfs.c: file [%s]: ACE contains "
462 "WRITE^APPEND, setting WRITE|APPEND\n",
463 fsp_str_dbg(fsp)));
464 gace->aceMask |= ACE4_MASK_WRITE|ACE4_MASK_APPEND;
465 }
466
467 gace->aceIFlags = (aceprop->flags&SMB_ACE4_ID_SPECIAL) ? ACE4_IFLAG_SPECIAL_ID : 0;
468
469 if (aceprop->flags&SMB_ACE4_ID_SPECIAL)
470 {
471 switch(aceprop->who.special_id)
472 {
473 case SMB_ACE4_WHO_EVERYONE:
474 gace->aceWho = ACE4_SPECIAL_EVERYONE;
475 break;
476 case SMB_ACE4_WHO_OWNER:
477 gace->aceWho = ACE4_SPECIAL_OWNER;
478 break;
479 case SMB_ACE4_WHO_GROUP:
480 gace->aceWho = ACE4_SPECIAL_GROUP;
481 break;
482 default:
483 DEBUG(8, ("unsupported special_id %d\n", aceprop->who.special_id));
484 continue; /* don't add it !!! */
485 }
486 } else {
487 /* just only for the type safety... */
488 if (aceprop->aceFlags&SMB_ACE4_IDENTIFIER_GROUP)
489 gace->aceWho = aceprop->who.gid;
490 else
491 gace->aceWho = aceprop->who.uid;
492 }
493
494 gacl->acl_nace++;
495 }
496
497 ret = smbd_gpfs_putacl(fsp->fsp_name->base_name,
498 GPFS_PUTACL_STRUCT | GPFS_ACL_SAMBA, gacl);
499 if (ret != 0) {
500 DEBUG(8, ("gpfs_putacl failed with %s\n", strerror(errno)));
501 gpfs_dumpacl(8, gacl);
502 return False;
503 }
504
505 DEBUG(10, ("gpfs_putacl succeeded\n"));
506 return True;
507 }
508
509 static NTSTATUS gpfsacl_set_nt_acl_internal(files_struct *fsp, uint32 security_info_sent, const struct security_descriptor *psd)
510 {
511 struct gpfs_acl *acl;
512 NTSTATUS result = NT_STATUS_ACCESS_DENIED;
513
514 acl = gpfs_getacl_alloc(fsp->fsp_name->base_name, 0);
515 if (acl == NULL)
516 return result;
517
518 if (acl->acl_version&GPFS_ACL_VERSION_NFS4)
519 {
520 if (lp_parm_bool(fsp->conn->params->service, "gpfs",
521 "refuse_dacl_protected", false)
522 && (psd->type&SEC_DESC_DACL_PROTECTED)) {
523 DEBUG(2, ("Rejecting unsupported ACL with DACL_PROTECTED bit set\n"));
524 return NT_STATUS_NOT_SUPPORTED;
525 }
526
527 result = smb_set_nt_acl_nfs4(
528 fsp, security_info_sent, psd,
529 gpfsacl_process_smbacl);
530 } else { /* assume POSIX ACL - by default... */
531 result = set_nt_acl(fsp, security_info_sent, psd);
532 }
533
534 return result;
535 }
536
537 static NTSTATUS gpfsacl_fset_nt_acl(vfs_handle_struct *handle, files_struct *fsp, uint32 security_info_sent, const struct security_descriptor *psd)
538 {
539 struct gpfs_config_data *config;
540
541 SMB_VFS_HANDLE_GET_DATA(handle, config,
542 struct gpfs_config_data,
543 return NT_STATUS_INTERNAL_ERROR);
544
545 if (!config->acl) {
546 return SMB_VFS_NEXT_FSET_NT_ACL(handle, fsp, security_info_sent, psd);
547 }
548
549 return gpfsacl_set_nt_acl_internal(fsp, security_info_sent, psd);
550 }
551
552 static SMB_ACL_T gpfs2smb_acl(const struct gpfs_acl *pacl)
553 {
554 SMB_ACL_T result;
555 gpfs_aclCount_t i;
556
557 result = sys_acl_init(pacl->acl_nace);
558 if (result == NULL) {
559 errno = ENOMEM;
560 return NULL;
561 }
562
563 result->count = pacl->acl_nace;
564
565 for (i=0; i<pacl->acl_nace; i++) {
566 struct smb_acl_entry *ace = &result->acl[i];
567 const struct gpfs_ace_v1 *g_ace = &pacl->ace_v1[i];
568
569 DEBUG(10, ("Converting type %d id %lu perm %x\n",
570 (int)g_ace->ace_type, (unsigned long)g_ace->ace_who,
571 (int)g_ace->ace_perm));
572
573 switch (g_ace->ace_type) {
574 case GPFS_ACL_USER:
575 ace->a_type = SMB_ACL_USER;
576 ace->uid = (uid_t)g_ace->ace_who;
577 break;
578 case GPFS_ACL_USER_OBJ:
579 ace->a_type = SMB_ACL_USER_OBJ;
580 break;
581 case GPFS_ACL_GROUP:
582 ace->a_type = SMB_ACL_GROUP;
583 ace->gid = (gid_t)g_ace->ace_who;
584 break;
585 case GPFS_ACL_GROUP_OBJ:
586 ace->a_type = SMB_ACL_GROUP_OBJ;
587 break;
588 case GPFS_ACL_OTHER:
589 ace->a_type = SMB_ACL_OTHER;
590 break;
591 case GPFS_ACL_MASK:
592 ace->a_type = SMB_ACL_MASK;
593 break;
594 default:
595 DEBUG(10, ("Got invalid ace_type: %d\n",
596 g_ace->ace_type));
597 errno = EINVAL;
598 TALLOC_FREE(result);
599 return NULL;
600 }
601
602 ace->a_perm = 0;
603 ace->a_perm |= (g_ace->ace_perm & ACL_PERM_READ) ?
604 SMB_ACL_READ : 0;
605 ace->a_perm |= (g_ace->ace_perm & ACL_PERM_WRITE) ?
606 SMB_ACL_WRITE : 0;
607 ace->a_perm |= (g_ace->ace_perm & ACL_PERM_EXECUTE) ?
608 SMB_ACL_EXECUTE : 0;
609
610 DEBUGADD(10, ("Converted to %d perm %x\n",
611 ace->a_type, ace->a_perm));
612 }
613
614 return result;
615 }
616
617 static SMB_ACL_T gpfsacl_get_posix_acl(const char *path, gpfs_aclType_t type)
618 {
619 struct gpfs_acl *pacl;
620 SMB_ACL_T result = NULL;
621
622 pacl = gpfs_getacl_alloc(path, type);
623
624 if (pacl == NULL) {
625 DEBUG(10, ("gpfs_getacl failed for %s with %s\n",
626 path, strerror(errno)));
627 if (errno == 0) {
628 errno = EINVAL;
629 }
630 goto done;
631 }
632
633 if (pacl->acl_version != GPFS_ACL_VERSION_POSIX) {
634 DEBUG(10, ("Got acl version %d, expected %d\n",
635 pacl->acl_version, GPFS_ACL_VERSION_POSIX));
636 errno = EINVAL;
637 goto done;
638 }
639
640 DEBUG(10, ("len: %d, level: %d, version: %d, nace: %d\n",
641 pacl->acl_len, pacl->acl_level, pacl->acl_version,
642 pacl->acl_nace));
643
644 result = gpfs2smb_acl(pacl);
645 if (result != NULL) {
646 errno = 0;
647 }
648
649 done:
650
651 if (errno != 0) {
652 TALLOC_FREE(result);
653 }
654 return result;
655 }
656
657 static SMB_ACL_T gpfsacl_sys_acl_get_file(vfs_handle_struct *handle,
658 const char *path_p,
659 SMB_ACL_TYPE_T type)
660 {
661 gpfs_aclType_t gpfs_type;
662 struct gpfs_config_data *config;
663
664 SMB_VFS_HANDLE_GET_DATA(handle, config,
665 struct gpfs_config_data,
666 return NULL);
667
668 if (!config->acl) {
669 return SMB_VFS_NEXT_SYS_ACL_GET_FILE(handle, path_p, type);
670 }
671
672 switch(type) {
673 case SMB_ACL_TYPE_ACCESS:
674 gpfs_type = GPFS_ACL_TYPE_ACCESS;
675 break;
676 case SMB_ACL_TYPE_DEFAULT:
677 gpfs_type = GPFS_ACL_TYPE_DEFAULT;
678 break;
679 default:
680 DEBUG(0, ("Got invalid type: %d\n", type));
681 smb_panic("exiting");
682 }
683
684 return gpfsacl_get_posix_acl(path_p, gpfs_type);
685 }
686
687 static SMB_ACL_T gpfsacl_sys_acl_get_fd(vfs_handle_struct *handle,
688 files_struct *fsp)
689 {
690 struct gpfs_config_data *config;
691
692 SMB_VFS_HANDLE_GET_DATA(handle, config,
693 struct gpfs_config_data,
694 return NULL);
695
696 if (!config->acl) {
697 return SMB_VFS_NEXT_SYS_ACL_GET_FD(handle, fsp);
698 }
699
700 return gpfsacl_get_posix_acl(fsp->fsp_name->base_name,
701 GPFS_ACL_TYPE_ACCESS);
702 }
703
704 static struct gpfs_acl *smb2gpfs_acl(const SMB_ACL_T pacl,
705 SMB_ACL_TYPE_T type)
706 {
707 gpfs_aclLen_t len;
708 struct gpfs_acl *result;
709 int i;
710
711 DEBUG(10, ("smb2gpfs_acl: Got ACL with %d entries\n", pacl->count));
712
713 len = offsetof(gpfs_acl_t, ace_v1) + (pacl->count) *
714 sizeof(gpfs_ace_v1_t);
715
716 result = (struct gpfs_acl *)SMB_MALLOC(len);
717 if (result == NULL) {
718 errno = ENOMEM;
719 return result;
720 }
721
722 result->acl_len = len;
723 result->acl_level = 0;
724 result->acl_version = GPFS_ACL_VERSION_POSIX;
725 result->acl_type = (type == SMB_ACL_TYPE_DEFAULT) ?
726 GPFS_ACL_TYPE_DEFAULT : GPFS_ACL_TYPE_ACCESS;
727 result->acl_nace = pacl->count;
728
729 for (i=0; i<pacl->count; i++) {
730 const struct smb_acl_entry *ace = &pacl->acl[i];
731 struct gpfs_ace_v1 *g_ace = &result->ace_v1[i];
732
733 DEBUG(10, ("Converting type %d perm %x\n",
734 (int)ace->a_type, (int)ace->a_perm));
735
736 g_ace->ace_perm = 0;
737
738 switch(ace->a_type) {
739 case SMB_ACL_USER:
740 g_ace->ace_type = GPFS_ACL_USER;
741 g_ace->ace_who = (gpfs_uid_t)ace->uid;
742 break;
743 case SMB_ACL_USER_OBJ:
744 g_ace->ace_type = GPFS_ACL_USER_OBJ;
745 g_ace->ace_perm |= ACL_PERM_CONTROL;
746 g_ace->ace_who = 0;
747 break;
748 case SMB_ACL_GROUP:
749 g_ace->ace_type = GPFS_ACL_GROUP;
750 g_ace->ace_who = (gpfs_uid_t)ace->gid;
751 break;
752 case SMB_ACL_GROUP_OBJ:
753 g_ace->ace_type = GPFS_ACL_GROUP_OBJ;
754 g_ace->ace_who = 0;
755 break;
756 case SMB_ACL_MASK:
757 g_ace->ace_type = GPFS_ACL_MASK;
758 g_ace->ace_perm = 0x8f;
759 g_ace->ace_who = 0;
760 break;
761 case SMB_ACL_OTHER:
762 g_ace->ace_type = GPFS_ACL_OTHER;
763 g_ace->ace_who = 0;
764 break;
765 default:
766 DEBUG(10, ("Got invalid ace_type: %d\n", ace->a_type));
767 errno = EINVAL;
768 SAFE_FREE(result);
769 return NULL;
770 }
771
772 g_ace->ace_perm |= (ace->a_perm & SMB_ACL_READ) ?
773 ACL_PERM_READ : 0;
774 g_ace->ace_perm |= (ace->a_perm & SMB_ACL_WRITE) ?
775 ACL_PERM_WRITE : 0;
776 g_ace->ace_perm |= (ace->a_perm & SMB_ACL_EXECUTE) ?
777 ACL_PERM_EXECUTE : 0;
778
779 DEBUGADD(10, ("Converted to %d id %d perm %x\n",
780 g_ace->ace_type, g_ace->ace_who, g_ace->ace_perm));
781 }
782
783 return result;
784 }
785
786 static int gpfsacl_sys_acl_set_file(vfs_handle_struct *handle,
787 const char *name,
788 SMB_ACL_TYPE_T type,
789 SMB_ACL_T theacl)
790 {
791 struct gpfs_acl *gpfs_acl;
792 int result;
793 struct gpfs_config_data *config;
794
795 SMB_VFS_HANDLE_GET_DATA(handle, config,
796 struct gpfs_config_data,
797 return -1);
798
799 if (!config->acl) {
800 return SMB_VFS_NEXT_SYS_ACL_SET_FILE(handle, name, type, theacl);
801 }
802
803 gpfs_acl = smb2gpfs_acl(theacl, type);
804 if (gpfs_acl == NULL) {
805 return -1;
806 }
807
808 result = smbd_gpfs_putacl((char *)name, GPFS_PUTACL_STRUCT | GPFS_ACL_SAMBA, gpfs_acl);
809
810 SAFE_FREE(gpfs_acl);
811 return result;
812 }
813
814 static int gpfsacl_sys_acl_set_fd(vfs_handle_struct *handle,
815 files_struct *fsp,
816 SMB_ACL_T theacl)
817 {
818 struct gpfs_config_data *config;
819
820 SMB_VFS_HANDLE_GET_DATA(handle, config,
821 struct gpfs_config_data,
822 return -1);
823
824 if (!config->acl) {
825 return SMB_VFS_NEXT_SYS_ACL_SET_FD(handle, fsp, theacl);
826 }
827
828 return gpfsacl_sys_acl_set_file(handle, fsp->fsp_name->base_name,
829 SMB_ACL_TYPE_ACCESS, theacl);
830 }
831
832 static int gpfsacl_sys_acl_delete_def_file(vfs_handle_struct *handle,
833 const char *path)
834 {
835 struct gpfs_config_data *config;
836
837 SMB_VFS_HANDLE_GET_DATA(handle, config,
838 struct gpfs_config_data,
839 return -1);
840
841 if (!config->acl) {
842 return SMB_VFS_NEXT_SYS_ACL_DELETE_DEF_FILE(handle, path);
843 }
844
845 errno = ENOTSUP;
846 return -1;
847 }
848
849 /*
850 * Assumed: mode bits are shiftable and standard
851 * Output: the new aceMask field for an smb nfs4 ace
852 */
853 static uint32 gpfsacl_mask_filter(uint32 aceType, uint32 aceMask, uint32 rwx)
854 {
855 const uint32 posix_nfs4map[3] = {
856 SMB_ACE4_EXECUTE, /* execute */
857 SMB_ACE4_WRITE_DATA | SMB_ACE4_APPEND_DATA, /* write; GPFS specific */
858 SMB_ACE4_READ_DATA /* read */
859 };
860 int i;
861 uint32_t posix_mask = 0x01;
862 uint32_t posix_bit;
863 uint32_t nfs4_bits;
864
865 for(i=0; i<3; i++) {
866 nfs4_bits = posix_nfs4map[i];
867 posix_bit = rwx & posix_mask;
868
869 if (aceType==SMB_ACE4_ACCESS_ALLOWED_ACE_TYPE) {
870 if (posix_bit)
871 aceMask |= nfs4_bits;
872 else
873 aceMask &= ~nfs4_bits;
874 } else {
875 /* add deny bits when suitable */
876 if (!posix_bit)
877 aceMask |= nfs4_bits;
878 else
879 aceMask &= ~nfs4_bits;
880 } /* other ace types are unexpected */
881
882 posix_mask <<= 1;
883 }
884
885 return aceMask;
886 }
887
888 static int gpfsacl_emu_chmod(const char *path, mode_t mode)
889 {
890 SMB4ACL_T *pacl = NULL;
891 int result;
892 bool haveAllowEntry[SMB_ACE4_WHO_EVERYONE + 1] = {False, False, False, False};
893 int i;
894 files_struct fake_fsp; /* TODO: rationalize parametrization */
895 SMB4ACE_T *smbace;
896 NTSTATUS status;
897
898 DEBUG(10, ("gpfsacl_emu_chmod invoked for %s mode %o\n", path, mode));
899
900 result = gpfs_get_nfs4_acl(path, &pacl);
901 if (result)
902 return result;
903
904 if (mode & ~(S_IRWXU | S_IRWXG | S_IRWXO)) {
905 DEBUG(2, ("WARNING: cutting extra mode bits %o on %s\n", mode, path));
906 }
907
908 for (smbace=smb_first_ace4(pacl); smbace!=NULL; smbace = smb_next_ace4(smbace)) {
909 SMB_ACE4PROP_T *ace = smb_get_ace4(smbace);
910 uint32_t specid = ace->who.special_id;
911
912 if (ace->flags&SMB_ACE4_ID_SPECIAL &&
913 ace->aceType<=SMB_ACE4_ACCESS_DENIED_ACE_TYPE &&
914 specid <= SMB_ACE4_WHO_EVERYONE) {
915
916 uint32_t newMask;
917
918 if (ace->aceType==SMB_ACE4_ACCESS_ALLOWED_ACE_TYPE)
919 haveAllowEntry[specid] = True;
920
921 /* mode >> 6 for @owner, mode >> 3 for @group,
922 * mode >> 0 for @everyone */
923 newMask = gpfsacl_mask_filter(ace->aceType, ace->aceMask,
924 mode >> ((SMB_ACE4_WHO_EVERYONE - specid) * 3));
925 if (ace->aceMask!=newMask) {
926 DEBUG(10, ("ace changed for %s (%o -> %o) id=%d\n",
927 path, ace->aceMask, newMask, specid));
928 }
929 ace->aceMask = newMask;
930 }
931 }
932
933 /* make sure we have at least ALLOW entries
934 * for all the 3 special ids (@EVERYONE, @OWNER, @GROUP)
935 * - if necessary
936 */
937 for(i = SMB_ACE4_WHO_OWNER; i<=SMB_ACE4_WHO_EVERYONE; i++) {
938 SMB_ACE4PROP_T ace;
939
940 if (haveAllowEntry[i]==True)
941 continue;
942
943 ZERO_STRUCT(ace);
944 ace.aceType = SMB_ACE4_ACCESS_ALLOWED_ACE_TYPE;
945 ace.flags |= SMB_ACE4_ID_SPECIAL;
946 ace.who.special_id = i;
947
948 if (i==SMB_ACE4_WHO_GROUP) /* not sure it's necessary... */
949 ace.aceFlags |= SMB_ACE4_IDENTIFIER_GROUP;
950
951 ace.aceMask = gpfsacl_mask_filter(ace.aceType, ace.aceMask,
952 mode >> ((SMB_ACE4_WHO_EVERYONE - i) * 3));
953
954 /* don't add unnecessary aces */
955 if (!ace.aceMask)
956 continue;
957
958 /* we add it to the END - as windows expects allow aces */
959 smb_add_ace4(pacl, &ace);
960 DEBUG(10, ("Added ALLOW ace for %s, mode=%o, id=%d, aceMask=%x\n",
961 path, mode, i, ace.aceMask));
962 }
963
964 /* don't add complementary DENY ACEs here */
965 ZERO_STRUCT(fake_fsp);
966 status = create_synthetic_smb_fname(talloc_tos(), path, NULL, NULL,
967 &fake_fsp.fsp_name);
968 if (!NT_STATUS_IS_OK(status)) {
969 errno = map_errno_from_nt_status(status);
970 return -1;
971 }
972 /* put the acl */
973 if (gpfsacl_process_smbacl(&fake_fsp, pacl) == False) {
974 TALLOC_FREE(fake_fsp.fsp_name);
975 return -1;
976 }
977
978 TALLOC_FREE(fake_fsp.fsp_name);
979 return 0; /* ok for [f]chmod */
980 }
981
982 static int vfs_gpfs_chmod(vfs_handle_struct *handle, const char *path, mode_t mode)
983 {
984 struct smb_filename *smb_fname_cpath;
985 int rc;
986 NTSTATUS status;
987
988 status = create_synthetic_smb_fname(
989 talloc_tos(), path, NULL, NULL, &smb_fname_cpath);
990
991 if (SMB_VFS_NEXT_STAT(handle, smb_fname_cpath) != 0) {
992 return -1;
993 }
994
995 /* avoid chmod() if possible, to preserve acls */
996 if ((smb_fname_cpath->st.st_ex_mode & ~S_IFMT) == mode) {
997 return 0;
998 }
999
1000 rc = gpfsacl_emu_chmod(path, mode);
1001 if (rc == 1)
1002 return SMB_VFS_NEXT_CHMOD(handle, path, mode);
1003 return rc;
1004 }
1005
1006 static int vfs_gpfs_fchmod(vfs_handle_struct *handle, files_struct *fsp, mode_t mode)
1007 {
1008 SMB_STRUCT_STAT st;
1009 int rc;
1010
1011 if (SMB_VFS_NEXT_FSTAT(handle, fsp, &st) != 0) {
1012 return -1;
1013 }
1014
1015 /* avoid chmod() if possible, to preserve acls */
1016 if ((st.st_ex_mode & ~S_IFMT) == mode) {
1017 return 0;
1018 }
1019
1020 rc = gpfsacl_emu_chmod(fsp->fsp_name->base_name, mode);
1021 if (rc == 1)
1022 return SMB_VFS_NEXT_FCHMOD(handle, fsp, mode);
1023 return rc;
1024 }
1025
1026 static int gpfs_set_xattr(struct vfs_handle_struct *handle, const char *path,
1027 const char *name, const void *value, size_t size, int flags){
1028 struct xattr_DOSATTRIB dosattrib;
1029 enum ndr_err_code ndr_err;
1030 DATA_BLOB blob;
1031 const char *attrstr = value;
1032 unsigned int dosmode=0;
1033 struct gpfs_winattr attrs;
1034 int ret = 0;
1035 struct gpfs_config_data *config;
1036
1037 SMB_VFS_HANDLE_GET_DATA(handle, config,
1038 struct gpfs_config_data,
1039 return -1);
1040
1041 if (!config->winattr) {
1042 DEBUG(10, ("gpfs_set_xattr:name is %s -> next\n",name));
1043 return SMB_VFS_NEXT_SETXATTR(handle,path,name,value,size,flags);
1044 }
1045
1046 DEBUG(10, ("gpfs_set_xattr: %s \n",path));
1047
1048 /* Only handle DOS Attributes */
1049 if (strcmp(name,SAMBA_XATTR_DOS_ATTRIB) != 0){
1050 DEBUG(5, ("gpfs_set_xattr:name is %s\n",name));
1051 return SMB_VFS_NEXT_SETXATTR(handle,path,name,value,size,flags);
1052 }
1053
1054 blob.data = (uint8_t *)attrstr;
1055 blob.length = size;
1056
1057 ndr_err = ndr_pull_struct_blob(&blob, talloc_tos(), &dosattrib,
1058 (ndr_pull_flags_fn_t)ndr_pull_xattr_DOSATTRIB);
1059
1060 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
1061 DEBUG(1, ("gpfs_set_xattr: bad ndr decode "
1062 "from EA on file %s: Error = %s\n",
1063 path, ndr_errstr(ndr_err)));
1064 return false;
1065 }
1066
1067 if (dosattrib.version != 3) {
1068 DEBUG(1, ("gpfs_set_xattr: expected dosattrib version 3, got "
1069 "%d\n", (int)dosattrib.version));
1070 return false;
1071 }
1072 if (!(dosattrib.info.info3.valid_flags & XATTR_DOSINFO_ATTRIB)) {
1073 DEBUG(10, ("gpfs_set_xattr: XATTR_DOSINFO_ATTRIB not "
1074 "valid, ignoring\n"));
1075 return true;
1076 }
1077
1078 dosmode = dosattrib.info.info3.attrib;
1079
1080 attrs.winAttrs = 0;
1081 /*Just map RD_ONLY, ARCHIVE, SYSTEM HIDDEN and SPARSE. Ignore the others*/
1082 if (dosmode & FILE_ATTRIBUTE_ARCHIVE){
1083 attrs.winAttrs |= GPFS_WINATTR_ARCHIVE;
1084 }
1085 if (dosmode & FILE_ATTRIBUTE_HIDDEN){
1086 attrs.winAttrs |= GPFS_WINATTR_HIDDEN;
1087 }
1088 if (dosmode & FILE_ATTRIBUTE_SYSTEM){
1089 attrs.winAttrs |= GPFS_WINATTR_SYSTEM;
1090 }
1091 if (dosmode & FILE_ATTRIBUTE_READONLY){
1092 attrs.winAttrs |= GPFS_WINATTR_READONLY;
1093 }
1094 if (dosmode & FILE_ATTRIBUTE_SPARSE) {
1095 attrs.winAttrs |= GPFS_WINATTR_SPARSE_FILE;
1096 }
1097
1098
1099 ret = set_gpfs_winattrs(discard_const_p(char, path),
1100 GPFS_WINATTR_SET_ATTRS, &attrs);
1101 if ( ret == -1){
1102 if (errno == ENOSYS) {
1103 return SMB_VFS_NEXT_SETXATTR(handle, path, name, value,
1104 size, flags);
1105 }
1106
1107 DEBUG(1, ("gpfs_set_xattr:Set GPFS attributes failed %d\n",ret));
1108 return -1;
1109 }
1110
1111 DEBUG(10, ("gpfs_set_xattr:Set attributes: 0x%x\n",attrs.winAttrs));
1112 return 0;
1113 }
1114
1115 static ssize_t gpfs_get_xattr(struct vfs_handle_struct *handle, const char *path,
1116 const char *name, void *value, size_t size){
1117 char *attrstr = value;
1118 unsigned int dosmode = 0;
1119 struct gpfs_winattr attrs;
1120 int ret = 0;
1121 struct gpfs_config_data *config;
1122
1123 SMB_VFS_HANDLE_GET_DATA(handle, config,
1124 struct gpfs_config_data,
1125 return -1);
1126
1127 if (!config->winattr) {
1128 DEBUG(10, ("gpfs_get_xattr:name is %s -> next\n",name));
1129 return SMB_VFS_NEXT_GETXATTR(handle,path,name,value,size);
1130 }
1131
1132 DEBUG(10, ("gpfs_get_xattr: %s \n",path));
1133
1134 /* Only handle DOS Attributes */
1135 if (strcmp(name,SAMBA_XATTR_DOS_ATTRIB) != 0){
1136 DEBUG(5, ("gpfs_get_xattr:name is %s\n",name));
1137 return SMB_VFS_NEXT_GETXATTR(handle,path,name,value,size);
1138 }
1139
1140 ret = get_gpfs_winattrs(discard_const_p(char, path), &attrs);
1141 if ( ret == -1){
1142 if (errno == ENOSYS) {
1143 return SMB_VFS_NEXT_GETXATTR(handle, path, name, value,
1144 size);
1145 }
1146
1147 DEBUG(1, ("gpfs_get_xattr: Get GPFS attributes failed: "
1148 "%d (%s)\n", ret, strerror(errno)));
1149 return -1;
1150 }
1151
1152 DEBUG(10, ("gpfs_get_xattr:Got attributes: 0x%x\n",attrs.winAttrs));
1153
1154 /*Just map RD_ONLY, ARCHIVE, SYSTEM, HIDDEN and SPARSE. Ignore the others*/
1155 if (attrs.winAttrs & GPFS_WINATTR_ARCHIVE){
1156 dosmode |= FILE_ATTRIBUTE_ARCHIVE;
1157 }
1158 if (attrs.winAttrs & GPFS_WINATTR_HIDDEN){
1159 dosmode |= FILE_ATTRIBUTE_HIDDEN;
1160 }
1161 if (attrs.winAttrs & GPFS_WINATTR_SYSTEM){
1162 dosmode |= FILE_ATTRIBUTE_SYSTEM;
1163 }
1164 if (attrs.winAttrs & GPFS_WINATTR_READONLY){
1165 dosmode |= FILE_ATTRIBUTE_READONLY;
1166 }
1167 if (attrs.winAttrs & GPFS_WINATTR_SPARSE_FILE) {
1168 dosmode |= FILE_ATTRIBUTE_SPARSE;
1169 }
1170
1171 snprintf(attrstr, size, "0x%2.2x",
1172 (unsigned int)(dosmode & SAMBA_ATTRIBUTES_MASK));
1173 DEBUG(10, ("gpfs_get_xattr: returning %s\n",attrstr));
1174 return 4;
1175 }
1176
1177 static int vfs_gpfs_stat(struct vfs_handle_struct *handle,
1178 struct smb_filename *smb_fname)
1179 {
1180 struct gpfs_winattr attrs;
1181 char *fname = NULL;
1182 NTSTATUS status;
1183 int ret;
1184 struct gpfs_config_data *config;
1185
1186 SMB_VFS_HANDLE_GET_DATA(handle, config,
1187 struct gpfs_config_data,
1188 return -1);
1189
1190 ret = SMB_VFS_NEXT_STAT(handle, smb_fname);
1191 if (ret == -1) {
1192 return -1;
1193 }
1194
1195 if (!config->winattr) {
1196 return 0;
1197 }
1198
1199 status = get_full_smb_filename(talloc_tos(), smb_fname, &fname);
1200 if (!NT_STATUS_IS_OK(status)) {
1201 errno = map_errno_from_nt_status(status);
1202 return -1;
1203 }
1204 ret = get_gpfs_winattrs(discard_const_p(char, fname), &attrs);
1205 TALLOC_FREE(fname);
1206 if (ret == 0) {
1207 smb_fname->st.st_ex_calculated_birthtime = false;
1208 smb_fname->st.st_ex_btime.tv_sec = attrs.creationTime.tv_sec;
1209 smb_fname->st.st_ex_btime.tv_nsec = attrs.creationTime.tv_nsec;
1210 smb_fname->st.vfs_private = attrs.winAttrs;
1211 }
1212 return 0;
1213 }
1214
1215 static int vfs_gpfs_fstat(struct vfs_handle_struct *handle,
1216 struct files_struct *fsp, SMB_STRUCT_STAT *sbuf)
1217 {
1218 struct gpfs_winattr attrs;
1219 int ret;
1220 struct gpfs_config_data *config;
1221
1222 SMB_VFS_HANDLE_GET_DATA(handle, config,
1223 struct gpfs_config_data,
1224 return -1);
1225
1226 ret = SMB_VFS_NEXT_FSTAT(handle, fsp, sbuf);
1227 if (ret == -1) {
1228 return -1;
1229 }
1230 if ((fsp->fh == NULL) || (fsp->fh->fd == -1)) {
1231 return 0;
1232 }
1233 if (!config->winattr) {
1234 return 0;
1235 }
1236
1237 ret = smbd_fget_gpfs_winattrs(fsp->fh->fd, &attrs);
1238 if (ret == 0) {
1239 sbuf->st_ex_calculated_birthtime = false;
1240 sbuf->st_ex_btime.tv_sec = attrs.creationTime.tv_sec;
1241 sbuf->st_ex_btime.tv_nsec = attrs.creationTime.tv_nsec;
1242 }
1243 return 0;
1244 }
1245
1246 static int vfs_gpfs_lstat(struct vfs_handle_struct *handle,
1247 struct smb_filename *smb_fname)
1248 {
1249 struct gpfs_winattr attrs;
1250 char *path = NULL;
1251 NTSTATUS status;
1252 int ret;
1253 struct gpfs_config_data *config;
1254
1255 SMB_VFS_HANDLE_GET_DATA(handle, config,
1256 struct gpfs_config_data,
1257 return -1);
1258
1259 ret = SMB_VFS_NEXT_LSTAT(handle, smb_fname);
1260 if (ret == -1) {
1261 return -1;
1262 }
1263 if (!config->winattr) {
1264 return 0;
1265 }
1266
1267 status = get_full_smb_filename(talloc_tos(), smb_fname, &path);
1268 if (!NT_STATUS_IS_OK(status)) {
1269 errno = map_errno_from_nt_status(status);
1270 return -1;
1271 }
1272 ret = get_gpfs_winattrs(discard_const_p(char, path), &attrs);
1273 TALLOC_FREE(path);
1274 if (ret == 0) {
1275 smb_fname->st.st_ex_calculated_birthtime = false;
1276 smb_fname->st.st_ex_btime.tv_sec = attrs.creationTime.tv_sec;
1277 smb_fname->st.st_ex_btime.tv_nsec = attrs.creationTime.tv_nsec;
1278 smb_fname->st.vfs_private = attrs.winAttrs;
1279 }
1280 return 0;
1281 }
1282
1283 static int vfs_gpfs_ntimes(struct vfs_handle_struct *handle,
1284 const struct smb_filename *smb_fname,
1285 struct smb_file_time *ft)
1286 {
1287
1288 struct gpfs_winattr attrs;
1289 int ret;
1290 char *path = NULL;
1291 NTSTATUS status;
1292 struct gpfs_config_data *config;
1293
1294 SMB_VFS_HANDLE_GET_DATA(handle, config,
1295 struct gpfs_config_data,
1296 return -1);
1297
1298 ret = SMB_VFS_NEXT_NTIMES(handle, smb_fname, ft);
1299 if(ret == -1){
1300 /* don't complain if access was denied */
1301 if (errno != EPERM && errno != EACCES) {
1302 DEBUG(1,("vfs_gpfs_ntimes: SMB_VFS_NEXT_NTIMES failed:"
1303 "%s", strerror(errno)));
1304 }
1305 return -1;
1306 }
1307
1308 if(null_timespec(ft->create_time)){
1309 DEBUG(10,("vfs_gpfs_ntimes:Create Time is NULL\n"));
1310 return 0;
1311 }
1312
1313 if (!config->winattr) {
1314 return 0;
1315 }
1316
1317 status = get_full_smb_filename(talloc_tos(), smb_fname, &path);
1318 if (!NT_STATUS_IS_OK(status)) {
1319 errno = map_errno_from_nt_status(status);
1320 return -1;
1321 }
1322
1323 attrs.winAttrs = 0;
1324 attrs.creationTime.tv_sec = ft->create_time.tv_sec;
1325 attrs.creationTime.tv_nsec = ft->create_time.tv_nsec;
1326
1327 ret = set_gpfs_winattrs(discard_const_p(char, path),
1328 GPFS_WINATTR_SET_CREATION_TIME, &attrs);
1329 if(ret == -1 && errno != ENOSYS){
1330 DEBUG(1,("vfs_gpfs_ntimes: set GPFS ntimes failed %d\n",ret));
1331 return -1;
1332 }
1333 return 0;
1334
1335 }
1336
1337 static int vfs_gpfs_fallocate(struct vfs_handle_struct *handle,
1338 struct files_struct *fsp, enum vfs_fallocate_mode mode,
1339 off_t offset, off_t len)
1340 {
1341 int ret;
1342 struct gpfs_config_data *config;
1343
1344 SMB_VFS_HANDLE_GET_DATA(handle, config,
1345 struct gpfs_config_data,
1346 return -1);
1347
1348 if (!config->prealloc) {
1349 /* you should better not run fallocate() on GPFS at all */
1350 errno = ENOTSUP;
1351 return -1;
1352 }
1353
1354 if (mode == VFS_FALLOCATE_KEEP_SIZE) {
1355 DEBUG(10, ("Unsupported VFS_FALLOCATE_KEEP_SIZE\n"));
1356 errno = ENOTSUP;
1357 return -1;
1358 }
1359
1360 ret = smbd_gpfs_prealloc(fsp->fh->fd, offset, len);
1361
1362 if (ret == -1 && errno != ENOSYS) {
1363 DEBUG(0, ("GPFS prealloc failed: %s\n", strerror(errno)));
1364 } else if (ret == -1 && errno == ENOSYS) {
1365 DEBUG(10, ("GPFS prealloc not supported.\n"));
1366 } else {
1367 DEBUG(10, ("GPFS prealloc succeeded.\n"));
1368 }
1369
1370 return ret;
1371 }
1372
1373 static int vfs_gpfs_ftruncate(vfs_handle_struct *handle, files_struct *fsp,
1374 off_t len)
1375 {
1376 int result;
1377 struct gpfs_config_data *config;
1378
1379 SMB_VFS_HANDLE_GET_DATA(handle, config,
1380 struct gpfs_config_data,
1381 return -1);
1382
1383 if (!config->ftruncate) {
1384 return SMB_VFS_NEXT_FTRUNCATE(handle, fsp, len);
1385 }
1386
1387 result = smbd_gpfs_ftruncate(fsp->fh->fd, len);
1388 if ((result == -1) && (errno == ENOSYS)) {
1389 return SMB_VFS_NEXT_FTRUNCATE(handle, fsp, len);
1390 }
1391 return result;
1392 }
1393
1394 static bool vfs_gpfs_is_offline(struct vfs_handle_struct *handle,
1395 const struct smb_filename *fname,
1396 SMB_STRUCT_STAT *sbuf)
1397 {
1398 struct gpfs_winattr attrs;
1399 char *path = NULL;
1400 NTSTATUS status;
1401 struct gpfs_config_data *config;
1402
1403 SMB_VFS_HANDLE_GET_DATA(handle, config,
1404 struct gpfs_config_data,
1405 return -1);
1406
1407 if (!config->winattr) {
1408 return SMB_VFS_NEXT_IS_OFFLINE(handle, fname, sbuf);
1409 }
1410
1411 status = get_full_smb_filename(talloc_tos(), fname, &path);
1412 if (!NT_STATUS_IS_OK(status)) {
1413 errno = map_errno_from_nt_status(status);
1414 return -1;
1415 }
1416
1417 if (VALID_STAT(*sbuf)) {
1418 attrs.winAttrs = sbuf->vfs_private;
1419 } else {
1420 int ret;
1421 ret = get_gpfs_winattrs(path, &attrs);
1422
1423 if (ret == -1) {
1424 TALLOC_FREE(path);
1425 return false;
1426 }
1427 }
1428 if ((attrs.winAttrs & GPFS_WINATTR_OFFLINE) != 0) {
1429 DEBUG(10, ("%s is offline\n", path));
1430 TALLOC_FREE(path);
1431 return true;
1432 }
1433 DEBUG(10, ("%s is online\n", path));
1434 TALLOC_FREE(path);
1435 return SMB_VFS_NEXT_IS_OFFLINE(handle, fname, sbuf);
1436 }
1437
1438 static bool vfs_gpfs_aio_force(struct vfs_handle_struct *handle,
1439 struct files_struct *fsp)
1440 {
1441 return vfs_gpfs_is_offline(handle, fsp->fsp_name, &fsp->fsp_name->st);
1442 }
1443
1444 static ssize_t vfs_gpfs_sendfile(vfs_handle_struct *handle, int tofd,
1445 files_struct *fsp, const DATA_BLOB *hdr,
1446 off_t offset, size_t n)
1447 {
1448 if ((fsp->fsp_name->st.vfs_private & GPFS_WINATTR_OFFLINE) != 0) {
1449 errno = ENOSYS;
1450 return -1;
1451 }
1452 return SMB_VFS_NEXT_SENDFILE(handle, tofd, fsp, hdr, offset, n);
1453 }
1454
1455 static int vfs_gpfs_connect(struct vfs_handle_struct *handle,
1456 const char *service, const char *user)
1457 {
1458 struct gpfs_config_data *config;
1459 int ret;
1460
1461 smbd_gpfs_lib_init();
1462
1463 ret = SMB_VFS_NEXT_CONNECT(handle, service, user);
1464
1465 if (ret < 0) {
1466 return ret;
1467 }
1468
1469 config = talloc_zero(handle->conn, struct gpfs_config_data);
1470 if (!config) {
1471 SMB_VFS_NEXT_DISCONNECT(handle);
1472 DEBUG(0, ("talloc_zero() failed\n"));
1473 return -1;
1474 }
1475
1476 config->sharemodes = lp_parm_bool(SNUM(handle->conn), "gpfs",
1477 "sharemodes", true);
1478
1479 config->leases = lp_parm_bool(SNUM(handle->conn), "gpfs",
1480 "leases", true);
1481
1482 config->hsm = lp_parm_bool(SNUM(handle->conn), "gpfs",
1483 "hsm", false);
1484
1485 config->syncio = lp_parm_bool(SNUM(handle->conn), "gpfs",
1486 "syncio", false);
1487
1488 config->winattr = lp_parm_bool(SNUM(handle->conn), "gpfs",
1489 "winattr", false);
1490
1491 config->ftruncate = lp_parm_bool(SNUM(handle->conn), "gpfs",
1492 "ftruncate", true);
1493
1494 config->getrealfilename = lp_parm_bool(SNUM(handle->conn), "gpfs",
1495 "getrealfilename", true);
1496
1497 config->dfreequota = lp_parm_bool(SNUM(handle->conn), "gpfs",
1498 "dfreequota", false);
1499
1500 config->prealloc = lp_parm_bool(SNUM(handle->conn), "gpfs",
1501 "prealloc", true);
1502
1503 config->acl = lp_parm_bool(SNUM(handle->conn), "gpfs", "acl", true);
1504
1505 SMB_VFS_HANDLE_SET_DATA(handle, config,
1506 NULL, struct gpfs_config_data,
1507 return -1);
1508
1509 if (config->leases) {
1510 /*
1511 * GPFS lease code is based on kernel oplock code
1512 * so make sure it is turned on
1513 */
1514 if (!lp_kernel_oplocks(SNUM(handle->conn))) {
1515 DEBUG(5, ("Enabling kernel oplocks for "
1516 "gpfs:leases to work\n"));
1517 lp_do_parameter(SNUM(handle->conn), "kernel oplocks",
1518 "true");
1519 }
1520
1521 /*
1522 * as the kernel does not properly support Level II oplocks
1523 * and GPFS leases code is based on kernel infrastructure, we
1524 * need to turn off Level II oplocks if gpfs:leases is enabled
1525 */
1526 if (lp_level2_oplocks(SNUM(handle->conn))) {
1527 DEBUG(5, ("gpfs:leases are enabled, disabling "
1528 "Level II oplocks\n"));
1529 lp_do_parameter(SNUM(handle->conn), "level2 oplocks",
1530 "false");
1531 }
1532 }
1533
1534 return 0;
1535 }
1536
1537 static int vfs_gpfs_get_quotas(const char *path, uid_t uid, gid_t gid,
1538 int *fset_id,
1539 struct gpfs_quotaInfo *qi_user,
1540 struct gpfs_quotaInfo *qi_group,
1541 struct gpfs_quotaInfo *qi_fset)
1542 {
1543 int err;
1544 char *dir_path;
1545 bool b;
1546
1547 /*
1548 * We want to always use the directory to get the fileset id,
1549 * because files might have a share mode. We also do not want
1550 * to get the parent directory when there is already a
1551 * directory to avoid stepping in a different fileset. The
1552 * path passed here is currently either "." or a filename, so
1553 * this is ok. The proper solution would be having a way to
1554 * query the fileset id without opening the file.
1555 */
1556 b = parent_dirname(talloc_tos(), path, &dir_path, NULL);
1557 if (!b) {
1558 errno = ENOMEM;
1559 return -1;
1560 }
1561
1562 DEBUG(10, ("path %s, directory %s\n", path, dir_path));
1563
1564 err = get_gpfs_fset_id(dir_path, fset_id);
1565 if (err) {
1566 DEBUG(0, ("Get fset id failed path %s, dir %s, errno %d.\n",
1567 path, dir_path, errno));
1568 return err;
1569 }
1570
1571 err = get_gpfs_quota(path, GPFS_USRQUOTA, uid, qi_user);
1572 if (err) {
1573 return err;
1574 }
1575
1576 err = get_gpfs_quota(path, GPFS_GRPQUOTA, gid, qi_group);
1577 if (err) {
1578 return err;
1579 }
1580
1581 err = get_gpfs_quota(path, GPFS_FILESETQUOTA, *fset_id, qi_fset);
1582 if (err) {
1583 return err;
1584 }
1585
1586 return 0;
1587 }
1588
1589 static void vfs_gpfs_disk_free_quota(struct gpfs_quotaInfo qi, time_t cur_time,
1590 uint64_t *dfree, uint64_t *dsize)
1591 {
1592 uint64_t usage, limit;
1593
1594 /*
1595 * The quota reporting is done in units of 1024 byte blocks, but
1596 * sys_fsusage uses units of 512 byte blocks, adjust the block number
1597 * accordingly. Also filter possibly negative usage counts from gpfs.
1598 */
1599 usage = qi.blockUsage < 0 ? 0 : (uint64_t)qi.blockUsage * 2;
1600 limit = (uint64_t)qi.blockHardLimit * 2;
1601
1602 /*
1603 * When the grace time for the exceeded soft block quota has been
1604 * exceeded, the soft block quota becomes an additional hard limit.
1605 */
1606 if (qi.blockSoftLimit &&
1607 qi.blockGraceTime && cur_time > qi.blockGraceTime) {
1608 /* report disk as full */
1609 *dfree = 0;
1610 *dsize = MIN(*dsize, usage);
1611 }
1612
1613 if (!qi.blockHardLimit)
1614 return;
1615
1616 if (usage >= limit) {
1617 /* report disk as full */
1618 *dfree = 0;
1619 *dsize = MIN(*dsize, usage);
1620
1621 } else {
1622 /* limit has not been reached, determine "free space" */
1623 *dfree = MIN(*dfree, limit - usage);
1624 *dsize = MIN(*dsize, limit);
1625 }
1626 }
1627
1628 static uint64_t vfs_gpfs_disk_free(vfs_handle_struct *handle, const char *path,
1629 bool small_query, uint64_t *bsize,
1630 uint64_t *dfree, uint64_t *dsize)
1631 {
1632 struct security_unix_token *utok;
1633 struct gpfs_quotaInfo qi_user, qi_group, qi_fset;
1634 struct gpfs_config_data *config;
1635 int err, fset_id;
1636 time_t cur_time;
1637
1638 SMB_VFS_HANDLE_GET_DATA(handle, config, struct gpfs_config_data,
1639 return (uint64_t)-1);
1640 if (!config->dfreequota) {
1641 return SMB_VFS_NEXT_DISK_FREE(handle, path, small_query,
1642 bsize, dfree, dsize);
1643 }
1644
1645 err = sys_fsusage(path, dfree, dsize);
1646 if (err) {
1647 DEBUG (0, ("Could not get fs usage, errno %d\n", errno));
1648 return SMB_VFS_NEXT_DISK_FREE(handle, path, small_query,
1649 bsize, dfree, dsize);
1650 }
1651
1652 /* sys_fsusage returns units of 512 bytes */
1653 *bsize = 512;
1654
1655 DEBUG(10, ("fs dfree %llu, dsize %llu\n",
1656 (unsigned long long)*dfree, (unsigned long long)*dsize));
1657
1658 utok = handle->conn->session_info->unix_token;
1659 err = vfs_gpfs_get_quotas(path, utok->uid, utok->gid, &fset_id,
1660 &qi_user, &qi_group, &qi_fset);
1661 if (err) {
1662 return SMB_VFS_NEXT_DISK_FREE(handle, path, small_query,
1663 bsize, dfree, dsize);
1664 }
1665
1666 cur_time = time(NULL);
1667
1668 /* Adjust free space and size according to quota limits. */
1669 vfs_gpfs_disk_free_quota(qi_user, cur_time, dfree, dsize);
1670 vfs_gpfs_disk_free_quota(qi_group, cur_time, dfree, dsize);
1671
1672 /* Id 0 indicates the default quota, not an actual quota */
1673 if (fset_id != 0) {
1674 vfs_gpfs_disk_free_quota(qi_fset, cur_time, dfree, dsize);
1675 }
1676
1677 disk_norm(small_query, bsize, dfree, dsize);
1678 return *dfree;
1679 }
1680
1681 static uint32_t vfs_gpfs_capabilities(struct vfs_handle_struct *handle,
1682 enum timestamp_set_resolution *p_ts_res)
1683 {
1684 struct gpfs_config_data *config;
1685 uint32_t next;
1686
1687 next = SMB_VFS_NEXT_FS_CAPABILITIES(handle, p_ts_res);
1688
1689 SMB_VFS_HANDLE_GET_DATA(handle, config,
1690 struct gpfs_config_data,
1691 return next);
1692
1693 if (config->hsm) {
1694 next |= FILE_SUPPORTS_REMOTE_STORAGE;
1695 }
1696 return next;
1697 }
1698
1699 static int vfs_gpfs_open(struct vfs_handle_struct *handle,
1700 struct smb_filename *smb_fname, files_struct *fsp,
1701 int flags, mode_t mode)
1702 {
1703 struct gpfs_config_data *config;
1704
1705 SMB_VFS_HANDLE_GET_DATA(handle, config,
1706 struct gpfs_config_data,
1707 return -1);
1708
1709 if (config->syncio) {
1710 flags |= O_SYNC;
1711 }
1712 return SMB_VFS_NEXT_OPEN(handle, smb_fname, fsp, flags, mode);
1713 }
1714
1715 static ssize_t vfs_gpfs_pread(vfs_handle_struct *handle, files_struct *fsp,
1716 void *data, size_t n, off_t offset)
1717 {
1718 ssize_t ret;
1719
1720 ret = SMB_VFS_NEXT_PREAD(handle, fsp, data, n, offset);
1721
1722 DEBUG(10, ("vfs_private = %x\n",
1723 (unsigned int)fsp->fsp_name->st.vfs_private));
1724
1725 if ((ret != -1) &&
1726 ((fsp->fsp_name->st.vfs_private & GPFS_WINATTR_OFFLINE) != 0)) {
1727 fsp->fsp_name->st.vfs_private &= ~GPFS_WINATTR_OFFLINE;
1728 notify_fname(handle->conn, NOTIFY_ACTION_MODIFIED,
1729 FILE_NOTIFY_CHANGE_ATTRIBUTES,
1730 fsp->fsp_name->base_name);
1731 }
1732
1733 return ret;
1734 }
1735
1736 struct vfs_gpfs_pread_state {
1737 struct files_struct *fsp;
1738 ssize_t ret;
1739 int err;
1740 };
1741
1742 static void vfs_gpfs_pread_done(struct tevent_req *subreq);
1743
1744 static struct tevent_req *vfs_gpfs_pread_send(struct vfs_handle_struct *handle,
1745 TALLOC_CTX *mem_ctx,
1746 struct tevent_context *ev,
1747 struct files_struct *fsp,
1748 void *data, size_t n,
1749 off_t offset)
1750 {
1751 struct tevent_req *req, *subreq;
1752 struct vfs_gpfs_pread_state *state;
1753
1754 req = tevent_req_create(mem_ctx, &state, struct vfs_gpfs_pread_state);
1755 if (req == NULL) {
1756 return NULL;
1757 }
1758 state->fsp = fsp;
1759 subreq = SMB_VFS_NEXT_PREAD_SEND(state, ev, handle, fsp, data,
1760 n, offset);
1761 if (tevent_req_nomem(subreq, req)) {
1762 return tevent_req_post(req, ev);
1763 }
1764 tevent_req_set_callback(subreq, vfs_gpfs_pread_done, req);
1765 return req;
1766 }
1767
1768 static void vfs_gpfs_pread_done(struct tevent_req *subreq)
1769 {
1770 struct tevent_req *req = tevent_req_callback_data(
1771 subreq, struct tevent_req);
1772 struct vfs_gpfs_pread_state *state = tevent_req_data(
1773 req, struct vfs_gpfs_pread_state);
1774
1775 state->ret = SMB_VFS_PREAD_RECV(subreq, &state->err);
1776 TALLOC_FREE(subreq);
1777 tevent_req_done(req);
1778 }
1779
1780 static ssize_t vfs_gpfs_pread_recv(struct tevent_req *req, int *err)
1781 {
1782 struct vfs_gpfs_pread_state *state = tevent_req_data(
1783 req, struct vfs_gpfs_pread_state);
1784 struct files_struct *fsp = state->fsp;
1785
1786 if (tevent_req_is_unix_error(req, err)) {
1787 return -1;
1788 }
1789 *err = state->err;
1790
1791 DEBUG(10, ("vfs_private = %x\n",
1792 (unsigned int)fsp->fsp_name->st.vfs_private));
1793
1794 if ((state->ret != -1) &&
1795 ((fsp->fsp_name->st.vfs_private & GPFS_WINATTR_OFFLINE) != 0)) {
1796 fsp->fsp_name->st.vfs_private &= ~GPFS_WINATTR_OFFLINE;
1797 DEBUG(10, ("sending notify\n"));
1798 notify_fname(fsp->conn, NOTIFY_ACTION_MODIFIED,
1799 FILE_NOTIFY_CHANGE_ATTRIBUTES,
1800 fsp->fsp_name->base_name);
1801 }
1802
1803 return state->ret;
1804 }
1805
1806 static ssize_t vfs_gpfs_pwrite(vfs_handle_struct *handle, files_struct *fsp,
1807 const void *data, size_t n, off_t offset)
1808 {
1809 ssize_t ret;
1810
1811 ret = SMB_VFS_NEXT_PWRITE(handle, fsp, data, n, offset);
1812
1813 DEBUG(10, ("vfs_private = %x\n",
1814 (unsigned int)fsp->fsp_name->st.vfs_private));
1815
1816 if ((ret != -1) &&
1817 ((fsp->fsp_name->st.vfs_private & GPFS_WINATTR_OFFLINE) != 0)) {
1818 fsp->fsp_name->st.vfs_private &= ~GPFS_WINATTR_OFFLINE;
1819 notify_fname(handle->conn, NOTIFY_ACTION_MODIFIED,
1820 FILE_NOTIFY_CHANGE_ATTRIBUTES,
1821 fsp->fsp_name->base_name);
1822 }
1823
1824 return ret;
1825 }
1826
1827 struct vfs_gpfs_pwrite_state {
1828 struct files_struct *fsp;
1829 ssize_t ret;
1830 int err;
1831 };
1832
1833 static void vfs_gpfs_pwrite_done(struct tevent_req *subreq);
1834
1835 static struct tevent_req *vfs_gpfs_pwrite_send(
1836 struct vfs_handle_struct *handle,
1837 TALLOC_CTX *mem_ctx,
1838 struct tevent_context *ev,
1839 struct files_struct *fsp,
1840 const void *data, size_t n,
1841 off_t offset)
1842 {
1843 struct tevent_req *req, *subreq;
1844 struct vfs_gpfs_pwrite_state *state;
1845
1846 req = tevent_req_create(mem_ctx, &state, struct vfs_gpfs_pwrite_state);
1847 if (req == NULL) {
1848 return NULL;
1849 }
1850 state->fsp = fsp;
1851 subreq = SMB_VFS_NEXT_PWRITE_SEND(state, ev, handle, fsp, data,
1852 n, offset);
1853 if (tevent_req_nomem(subreq, req)) {
1854 return tevent_req_post(req, ev);
1855 }
1856 tevent_req_set_callback(subreq, vfs_gpfs_pwrite_done, req);
1857 return req;
1858 }
1859
1860 static void vfs_gpfs_pwrite_done(struct tevent_req *subreq)
1861 {
1862 struct tevent_req *req = tevent_req_callback_data(
1863 subreq, struct tevent_req);
1864 struct vfs_gpfs_pwrite_state *state = tevent_req_data(
1865 req, struct vfs_gpfs_pwrite_state);
1866
1867 state->ret = SMB_VFS_PWRITE_RECV(subreq, &state->err);
1868 TALLOC_FREE(subreq);
1869 tevent_req_done(req);
1870 }
1871
1872 static ssize_t vfs_gpfs_pwrite_recv(struct tevent_req *req, int *err)
1873 {
1874 struct vfs_gpfs_pwrite_state *state = tevent_req_data(
1875 req, struct vfs_gpfs_pwrite_state);
1876 struct files_struct *fsp = state->fsp;
1877
1878 if (tevent_req_is_unix_error(req, err)) {
1879 return -1;
1880 }
1881 *err = state->err;
1882
1883 DEBUG(10, ("vfs_private = %x\n",
1884 (unsigned int)fsp->fsp_name->st.vfs_private));
1885
1886 if ((state->ret != -1) &&
1887 ((fsp->fsp_name->st.vfs_private & GPFS_WINATTR_OFFLINE) != 0)) {
1888 fsp->fsp_name->st.vfs_private &= ~GPFS_WINATTR_OFFLINE;
1889 DEBUG(10, ("sending notify\n"));
1890 notify_fname(fsp->conn, NOTIFY_ACTION_MODIFIED,
1891 FILE_NOTIFY_CHANGE_ATTRIBUTES,
1892 fsp->fsp_name->base_name);
1893 }
1894
1895 return state->ret;
1896 }
1897
1898
1899 static struct vfs_fn_pointers vfs_gpfs_fns = {
1900 .connect_fn = vfs_gpfs_connect,
1901 .disk_free_fn = vfs_gpfs_disk_free,
1902 .fs_capabilities_fn = vfs_gpfs_capabilities,
1903 .kernel_flock_fn = vfs_gpfs_kernel_flock,
1904 .linux_setlease_fn = vfs_gpfs_setlease,
1905 .get_real_filename_fn = vfs_gpfs_get_real_filename,
1906 .fget_nt_acl_fn = gpfsacl_fget_nt_acl,
1907 .get_nt_acl_fn = gpfsacl_get_nt_acl,
1908 .fset_nt_acl_fn = gpfsacl_fset_nt_acl,
1909 .sys_acl_get_file_fn = gpfsacl_sys_acl_get_file,
1910 .sys_acl_get_fd_fn = gpfsacl_sys_acl_get_fd,
1911 .sys_acl_set_file_fn = gpfsacl_sys_acl_set_file,
1912 .sys_acl_set_fd_fn = gpfsacl_sys_acl_set_fd,
1913 .sys_acl_delete_def_file_fn = gpfsacl_sys_acl_delete_def_file,
1914 .chmod_fn = vfs_gpfs_chmod,
1915 .fchmod_fn = vfs_gpfs_fchmod,
1916 .close_fn = vfs_gpfs_close,
1917 .setxattr_fn = gpfs_set_xattr,
1918 .getxattr_fn = gpfs_get_xattr,
1919 .stat_fn = vfs_gpfs_stat,
1920 .fstat_fn = vfs_gpfs_fstat,
1921 .lstat_fn = vfs_gpfs_lstat,
1922 .ntimes_fn = vfs_gpfs_ntimes,
1923 .is_offline_fn = vfs_gpfs_is_offline,
1924 .aio_force_fn = vfs_gpfs_aio_force,
1925 .sendfile_fn = vfs_gpfs_sendfile,
1926 .fallocate_fn = vfs_gpfs_fallocate,
1927 .open_fn = vfs_gpfs_open,
1928 .pread_fn = vfs_gpfs_pread,
1929 .pread_send_fn = vfs_gpfs_pread_send,
1930 .pread_recv_fn = vfs_gpfs_pread_recv,
1931 .pwrite_fn = vfs_gpfs_pwrite,
1932 .pwrite_send_fn = vfs_gpfs_pwrite_send,
1933 .pwrite_recv_fn = vfs_gpfs_pwrite_recv,
1934 .ftruncate_fn = vfs_gpfs_ftruncate
1935 };
1936
1937 NTSTATUS vfs_gpfs_init(void);
1938 NTSTATUS vfs_gpfs_init(void)
1939 {
1940 init_gpfs();
1941
1942 return smb_register_vfs(SMB_VFS_INTERFACE_VERSION, "gpfs",
1943 &vfs_gpfs_fns);
1944 }
reg import