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s3/vfs_gpfs: s/syncops/gpfs
[Samba/wip.git] / source3 / modules / vfs_gpfs.c
blob39969e221b0ce2d6783294466816f68f46998265
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
28 #undef DBGC_CLASS
29 #define DBGC_CLASS DBGC_VFS
30
31 #include <gpfs_gpl.h>
32 #include "nfs4_acls.h"
33 #include "vfs_gpfs.h"
34
35 struct gpfs_config_data {
36 bool sharemodes;
37 bool leases;
38 bool hsm;
39 };
40
41
42 static int vfs_gpfs_kernel_flock(vfs_handle_struct *handle, files_struct *fsp,
43 uint32 share_mode, uint32 access_mask)
44 {
45
46 struct gpfs_config_data *config;
47
48 SMB_VFS_HANDLE_GET_DATA(handle, config,
49 struct gpfs_config_data,
50 return -1);
51
52 START_PROFILE(syscall_kernel_flock);
53
54 kernel_flock(fsp->fh->fd, share_mode, access_mask);
55
56 if (config->sharemodes
57 && !set_gpfs_sharemode(fsp, access_mask, fsp->share_access)) {
58 return -1;
59 }
60
61 END_PROFILE(syscall_kernel_flock);
62
63 return 0;
64 }
65
66 static int vfs_gpfs_close(vfs_handle_struct *handle, files_struct *fsp)
67 {
68
69 struct gpfs_config_data *config;
70
71 SMB_VFS_HANDLE_GET_DATA(handle, config,
72 struct gpfs_config_data,
73 return -1);
74
75 if (config->sharemodes && (fsp->fh != NULL) && (fsp->fh->fd != -1)) {
76 set_gpfs_sharemode(fsp, 0, 0);
77 }
78
79 return SMB_VFS_NEXT_CLOSE(handle, fsp);
80 }
81
82 static int vfs_gpfs_setlease(vfs_handle_struct *handle, files_struct *fsp,
83 int leasetype)
84 {
85 struct gpfs_config_data *config;
86 int ret=0;
87
88 SMB_VFS_HANDLE_GET_DATA(handle, config,
89 struct gpfs_config_data,
90 return -1);
91
92 START_PROFILE(syscall_linux_setlease);
93
94 if (linux_set_lease_sighandler(fsp->fh->fd) == -1)
95 return -1;
96
97 if (config->leases) {
98 ret = set_gpfs_lease(fsp->fh->fd,leasetype);
99 }
100
101 if (ret < 0) {
102 /* This must have come from GPFS not being available */
103 /* or some other error, hence call the default */
104 ret = linux_setlease(fsp->fh->fd, leasetype);
105 }
106
107 END_PROFILE(syscall_linux_setlease);
108
109 return ret;
110 }
111
112 static int vfs_gpfs_get_real_filename(struct vfs_handle_struct *handle,
113 const char *path,
114 const char *name,
115 TALLOC_CTX *mem_ctx,
116 char **found_name)
117 {
118 int result;
119 char *full_path;
120 char real_pathname[PATH_MAX+1];
121 int buflen;
122 bool mangled;
123
124 mangled = mangle_is_mangled(name, handle->conn->params);
125 if (mangled) {
126 return SMB_VFS_NEXT_GET_REAL_FILENAME(handle, path, name,
127 mem_ctx, found_name);
128 }
129
130 full_path = talloc_asprintf(talloc_tos(), "%s/%s", path, name);
131 if (full_path == NULL) {
132 errno = ENOMEM;
133 return -1;
134 }
135
136 buflen = sizeof(real_pathname) - 1;
137
138 result = smbd_gpfs_get_realfilename_path(full_path, real_pathname,
139 &buflen);
140
141 TALLOC_FREE(full_path);
142
143 if ((result == -1) && (errno == ENOSYS)) {
144 return SMB_VFS_NEXT_GET_REAL_FILENAME(
145 handle, path, name, mem_ctx, found_name);
146 }
147
148 if (result == -1) {
149 DEBUG(10, ("smbd_gpfs_get_realfilename_path returned %s\n",
150 strerror(errno)));
151 return -1;
152 }
153
154 /*
155 * GPFS does not necessarily null-terminate the returned path
156 * but instead returns the buffer length in buflen.
157 */
158
159 if (buflen < sizeof(real_pathname)) {
160 real_pathname[buflen] = '\0';
161 } else {
162 real_pathname[sizeof(real_pathname)-1] = '\0';
163 }
164
165 DEBUG(10, ("smbd_gpfs_get_realfilename_path: %s/%s -> %s\n",
166 path, name, real_pathname));
167
168 name = strrchr_m(real_pathname, '/');
169 if (name == NULL) {
170 errno = ENOENT;
171 return -1;
172 }
173
174 *found_name = talloc_strdup(mem_ctx, name+1);
175 if (*found_name == NULL) {
176 errno = ENOMEM;
177 return -1;
178 }
179
180 return 0;
181 }
182
183 static void gpfs_dumpacl(int level, struct gpfs_acl *gacl)
184 {
185 int i;
186 if (gacl==NULL)
187 {
188 DEBUG(0, ("gpfs acl is NULL\n"));
189 return;
190 }
191
192 DEBUG(level, ("gpfs acl: nace: %d, type:%d, version:%d, level:%d, len:%d\n",
193 gacl->acl_nace, gacl->acl_type, gacl->acl_version, gacl->acl_level, gacl->acl_len));
194 for(i=0; i<gacl->acl_nace; i++)
195 {
196 struct gpfs_ace_v4 *gace = gacl->ace_v4 + i;
197 DEBUG(level, ("\tace[%d]: type:%d, flags:0x%x, mask:0x%x, iflags:0x%x, who:%u\n",
198 i, gace->aceType, gace->aceFlags, gace->aceMask,
199 gace->aceIFlags, gace->aceWho));
200 }
201 }
202
203 static struct gpfs_acl *gpfs_getacl_alloc(const char *fname, gpfs_aclType_t type)
204 {
205 struct gpfs_acl *acl;
206 size_t len = 200;
207 int ret;
208 TALLOC_CTX *mem_ctx = talloc_tos();
209
210 acl = (struct gpfs_acl *)TALLOC_SIZE(mem_ctx, len);
211 if (acl == NULL) {
212 errno = ENOMEM;
213 return NULL;
214 }
215
216 acl->acl_len = len;
217 acl->acl_level = 0;
218 acl->acl_version = 0;
219 acl->acl_type = type;
220
221 ret = smbd_gpfs_getacl((char *)fname, GPFS_GETACL_STRUCT | GPFS_ACL_SAMBA, acl);
222 if ((ret != 0) && (errno == ENOSPC)) {
223 struct gpfs_acl *new_acl = (struct gpfs_acl *)TALLOC_SIZE(
224 mem_ctx, acl->acl_len + sizeof(struct gpfs_acl));
225 if (new_acl == NULL) {
226 errno = ENOMEM;
227 return NULL;
228 }
229
230 new_acl->acl_len = acl->acl_len;
231 new_acl->acl_level = acl->acl_level;
232 new_acl->acl_version = acl->acl_version;
233 new_acl->acl_type = acl->acl_type;
234 acl = new_acl;
235
236 ret = smbd_gpfs_getacl((char *)fname, GPFS_GETACL_STRUCT | GPFS_ACL_SAMBA, acl);
237 }
238 if (ret != 0)
239 {
240 DEBUG(8, ("smbd_gpfs_getacl failed with %s\n",strerror(errno)));
241 return NULL;
242 }
243
244 return acl;
245 }
246
247 /* Tries to get nfs4 acls and returns SMB ACL allocated.
248 * On failure returns 1 if it got non-NFSv4 ACL to prompt
249 * retry with POSIX ACL checks.
250 * On failure returns -1 if there is system (GPFS) error, check errno.
251 * Returns 0 on success
252 */
253 static int gpfs_get_nfs4_acl(const char *fname, SMB4ACL_T **ppacl)
254 {
255 int i;
256 struct gpfs_acl *gacl = NULL;
257 DEBUG(10, ("gpfs_get_nfs4_acl invoked for %s\n", fname));
258
259 /* First get the real acl length */
260 gacl = gpfs_getacl_alloc(fname, 0);
261 if (gacl == NULL) {
262 DEBUG(9, ("gpfs_getacl failed for %s with %s\n",
263 fname, strerror(errno)));
264 return -1;
265 }
266
267 if (gacl->acl_type != GPFS_ACL_TYPE_NFS4) {
268 DEBUG(10, ("Got non-nfsv4 acl\n"));
269 /* Retry with POSIX ACLs check */
270 return 1;
271 }
272
273 *ppacl = smb_create_smb4acl();
274
275 DEBUG(10, ("len: %d, level: %d, version: %d, nace: %d\n",
276 gacl->acl_len, gacl->acl_level, gacl->acl_version,
277 gacl->acl_nace));
278
279 for (i=0; i<gacl->acl_nace; i++) {
280 struct gpfs_ace_v4 *gace = &gacl->ace_v4[i];
281 SMB_ACE4PROP_T smbace;
282 DEBUG(10, ("type: %d, iflags: %x, flags: %x, mask: %x, "
283 "who: %d\n", gace->aceType, gace->aceIFlags,
284 gace->aceFlags, gace->aceMask, gace->aceWho));
285
286 ZERO_STRUCT(smbace);
287 if (gace->aceIFlags & ACE4_IFLAG_SPECIAL_ID) {
288 smbace.flags |= SMB_ACE4_ID_SPECIAL;
289 switch (gace->aceWho) {
290 case ACE4_SPECIAL_OWNER:
291 smbace.who.special_id = SMB_ACE4_WHO_OWNER;
292 break;
293 case ACE4_SPECIAL_GROUP:
294 smbace.who.special_id = SMB_ACE4_WHO_GROUP;
295 break;
296 case ACE4_SPECIAL_EVERYONE:
297 smbace.who.special_id = SMB_ACE4_WHO_EVERYONE;
298 break;
299 default:
300 DEBUG(8, ("invalid special gpfs id %d "
301 "ignored\n", gace->aceWho));
302 continue; /* don't add it */
303 }
304 } else {
305 if (gace->aceFlags & ACE4_FLAG_GROUP_ID)
306 smbace.who.gid = gace->aceWho;
307 else
308 smbace.who.uid = gace->aceWho;
309 }
310
311 /* remove redundent deny entries */
312 if (i > 0 && gace->aceType == SMB_ACE4_ACCESS_DENIED_ACE_TYPE) {
313 struct gpfs_ace_v4 *prev = &gacl->ace_v4[i-1];
314 if (prev->aceType == SMB_ACE4_ACCESS_ALLOWED_ACE_TYPE &&
315 prev->aceFlags == gace->aceFlags &&
316 prev->aceIFlags == gace->aceIFlags &&
317 (gace->aceMask & prev->aceMask) == 0 &&
318 gace->aceWho == prev->aceWho) {
319 /* its redundent - skip it */
320 continue;
321 }
322 }
323
324 smbace.aceType = gace->aceType;
325 smbace.aceFlags = gace->aceFlags;
326 smbace.aceMask = gace->aceMask;
327 smb_add_ace4(*ppacl, &smbace);
328 }
329
330 return 0;
331 }
332
333 static NTSTATUS gpfsacl_fget_nt_acl(vfs_handle_struct *handle,
334 files_struct *fsp, uint32 security_info,
335 struct security_descriptor **ppdesc)
336 {
337 SMB4ACL_T *pacl = NULL;
338 int result;
339
340 *ppdesc = NULL;
341 result = gpfs_get_nfs4_acl(fsp->fsp_name->base_name, &pacl);
342
343 if (result == 0)
344 return smb_fget_nt_acl_nfs4(fsp, security_info, ppdesc, pacl);
345
346 if (result > 0) {
347 DEBUG(10, ("retrying with posix acl...\n"));
348 return posix_fget_nt_acl(fsp, security_info, ppdesc);
349 }
350
351 /* GPFS ACL was not read, something wrong happened, error code is set in errno */
352 return map_nt_error_from_unix(errno);
353 }
354
355 static NTSTATUS gpfsacl_get_nt_acl(vfs_handle_struct *handle,
356 const char *name,
357 uint32 security_info, struct security_descriptor **ppdesc)
358 {
359 SMB4ACL_T *pacl = NULL;
360 int result;
361
362 *ppdesc = NULL;
363 result = gpfs_get_nfs4_acl(name, &pacl);
364
365 if (result == 0)
366 return smb_get_nt_acl_nfs4(handle->conn, name, security_info, ppdesc, pacl);
367
368 if (result > 0) {
369 DEBUG(10, ("retrying with posix acl...\n"));
370 return posix_get_nt_acl(handle->conn, name, security_info, ppdesc);
371 }
372
373 /* GPFS ACL was not read, something wrong happened, error code is set in errno */
374 return map_nt_error_from_unix(errno);
375 }
376
377 static bool gpfsacl_process_smbacl(files_struct *fsp, SMB4ACL_T *smbacl)
378 {
379 int ret;
380 gpfs_aclLen_t gacl_len;
381 SMB4ACE_T *smbace;
382 struct gpfs_acl *gacl;
383 TALLOC_CTX *mem_ctx = talloc_tos();
384
385 gacl_len = sizeof(struct gpfs_acl) +
386 (smb_get_naces(smbacl)-1)*sizeof(gpfs_ace_v4_t);
387
388 gacl = (struct gpfs_acl *)TALLOC_SIZE(mem_ctx, gacl_len);
389 if (gacl == NULL) {
390 DEBUG(0, ("talloc failed\n"));
391 errno = ENOMEM;
392 return False;
393 }
394
395 gacl->acl_len = gacl_len;
396 gacl->acl_level = 0;
397 gacl->acl_version = GPFS_ACL_VERSION_NFS4;
398 gacl->acl_type = GPFS_ACL_TYPE_NFS4;
399 gacl->acl_nace = 0; /* change later... */
400
401 for (smbace=smb_first_ace4(smbacl); smbace!=NULL; smbace = smb_next_ace4(smbace)) {
402 struct gpfs_ace_v4 *gace = &gacl->ace_v4[gacl->acl_nace];
403 SMB_ACE4PROP_T *aceprop = smb_get_ace4(smbace);
404
405 gace->aceType = aceprop->aceType;
406 gace->aceFlags = aceprop->aceFlags;
407 gace->aceMask = aceprop->aceMask;
408
409 /*
410 * GPFS can't distinguish between WRITE and APPEND on
411 * files, so one being set without the other is an
412 * error. Sorry for the many ()'s :-)
413 */
414
415 if (!fsp->is_directory
416 &&
417 ((((gace->aceMask & ACE4_MASK_WRITE) == 0)
418 && ((gace->aceMask & ACE4_MASK_APPEND) != 0))
419 ||
420 (((gace->aceMask & ACE4_MASK_WRITE) != 0)
421 && ((gace->aceMask & ACE4_MASK_APPEND) == 0)))
422 &&
423 lp_parm_bool(fsp->conn->params->service, "gpfs",
424 "merge_writeappend", True)) {
425 DEBUG(2, ("vfs_gpfs.c: file [%s]: ACE contains "
426 "WRITE^APPEND, setting WRITE|APPEND\n",
427 fsp_str_dbg(fsp)));
428 gace->aceMask |= ACE4_MASK_WRITE|ACE4_MASK_APPEND;
429 }
430
431 gace->aceIFlags = (aceprop->flags&SMB_ACE4_ID_SPECIAL) ? ACE4_IFLAG_SPECIAL_ID : 0;
432
433 if (aceprop->flags&SMB_ACE4_ID_SPECIAL)
434 {
435 switch(aceprop->who.special_id)
436 {
437 case SMB_ACE4_WHO_EVERYONE:
438 gace->aceWho = ACE4_SPECIAL_EVERYONE;
439 break;
440 case SMB_ACE4_WHO_OWNER:
441 gace->aceWho = ACE4_SPECIAL_OWNER;
442 break;
443 case SMB_ACE4_WHO_GROUP:
444 gace->aceWho = ACE4_SPECIAL_GROUP;
445 break;
446 default:
447 DEBUG(8, ("unsupported special_id %d\n", aceprop->who.special_id));
448 continue; /* don't add it !!! */
449 }
450 } else {
451 /* just only for the type safety... */
452 if (aceprop->aceFlags&SMB_ACE4_IDENTIFIER_GROUP)
453 gace->aceWho = aceprop->who.gid;
454 else
455 gace->aceWho = aceprop->who.uid;
456 }
457
458 gacl->acl_nace++;
459 }
460
461 ret = smbd_gpfs_putacl(fsp->fsp_name->base_name,
462 GPFS_PUTACL_STRUCT | GPFS_ACL_SAMBA, gacl);
463 if (ret != 0) {
464 DEBUG(8, ("gpfs_putacl failed with %s\n", strerror(errno)));
465 gpfs_dumpacl(8, gacl);
466 return False;
467 }
468
469 DEBUG(10, ("gpfs_putacl succeeded\n"));
470 return True;
471 }
472
473 static NTSTATUS gpfsacl_set_nt_acl_internal(files_struct *fsp, uint32 security_info_sent, const struct security_descriptor *psd)
474 {
475 struct gpfs_acl *acl;
476 NTSTATUS result = NT_STATUS_ACCESS_DENIED;
477
478 acl = gpfs_getacl_alloc(fsp->fsp_name->base_name, 0);
479 if (acl == NULL)
480 return result;
481
482 if (acl->acl_version&GPFS_ACL_VERSION_NFS4)
483 {
484 if (lp_parm_bool(fsp->conn->params->service, "gpfs",
485 "refuse_dacl_protected", false)
486 && (psd->type&SEC_DESC_DACL_PROTECTED)) {
487 DEBUG(2, ("Rejecting unsupported ACL with DACL_PROTECTED bit set\n"));
488 return NT_STATUS_NOT_SUPPORTED;
489 }
490
491 result = smb_set_nt_acl_nfs4(
492 fsp, security_info_sent, psd,
493 gpfsacl_process_smbacl);
494 } else { /* assume POSIX ACL - by default... */
495 result = set_nt_acl(fsp, security_info_sent, psd);
496 }
497
498 return result;
499 }
500
501 static NTSTATUS gpfsacl_fset_nt_acl(vfs_handle_struct *handle, files_struct *fsp, uint32 security_info_sent, const struct security_descriptor *psd)
502 {
503 return gpfsacl_set_nt_acl_internal(fsp, security_info_sent, psd);
504 }
505
506 static SMB_ACL_T gpfs2smb_acl(const struct gpfs_acl *pacl)
507 {
508 SMB_ACL_T result;
509 int i;
510
511 result = sys_acl_init(pacl->acl_nace);
512 if (result == NULL) {
513 errno = ENOMEM;
514 return NULL;
515 }
516
517 result->count = pacl->acl_nace;
518
519 for (i=0; i<pacl->acl_nace; i++) {
520 struct smb_acl_entry *ace = &result->acl[i];
521 const struct gpfs_ace_v1 *g_ace = &pacl->ace_v1[i];
522
523 DEBUG(10, ("Converting type %d id %lu perm %x\n",
524 (int)g_ace->ace_type, (unsigned long)g_ace->ace_who,
525 (int)g_ace->ace_perm));
526
527 switch (g_ace->ace_type) {
528 case GPFS_ACL_USER:
529 ace->a_type = SMB_ACL_USER;
530 ace->uid = (uid_t)g_ace->ace_who;
531 break;
532 case GPFS_ACL_USER_OBJ:
533 ace->a_type = SMB_ACL_USER_OBJ;
534 break;
535 case GPFS_ACL_GROUP:
536 ace->a_type = SMB_ACL_GROUP;
537 ace->gid = (gid_t)g_ace->ace_who;
538 break;
539 case GPFS_ACL_GROUP_OBJ:
540 ace->a_type = SMB_ACL_GROUP_OBJ;
541 break;
542 case GPFS_ACL_OTHER:
543 ace->a_type = SMB_ACL_OTHER;
544 break;
545 case GPFS_ACL_MASK:
546 ace->a_type = SMB_ACL_MASK;
547 break;
548 default:
549 DEBUG(10, ("Got invalid ace_type: %d\n",
550 g_ace->ace_type));
551 errno = EINVAL;
552 SAFE_FREE(result);
553 return NULL;
554 }
555
556 ace->a_perm = 0;
557 ace->a_perm |= (g_ace->ace_perm & ACL_PERM_READ) ?
558 SMB_ACL_READ : 0;
559 ace->a_perm |= (g_ace->ace_perm & ACL_PERM_WRITE) ?
560 SMB_ACL_WRITE : 0;
561 ace->a_perm |= (g_ace->ace_perm & ACL_PERM_EXECUTE) ?
562 SMB_ACL_EXECUTE : 0;
563
564 DEBUGADD(10, ("Converted to %d perm %x\n",
565 ace->a_type, ace->a_perm));
566 }
567
568 return result;
569 }
570
571 static SMB_ACL_T gpfsacl_get_posix_acl(const char *path, gpfs_aclType_t type)
572 {
573 struct gpfs_acl *pacl;
574 SMB_ACL_T result = NULL;
575
576 pacl = gpfs_getacl_alloc(path, type);
577
578 if (pacl == NULL) {
579 DEBUG(10, ("gpfs_getacl failed for %s with %s\n",
580 path, strerror(errno)));
581 if (errno == 0) {
582 errno = EINVAL;
583 }
584 goto done;
585 }
586
587 if (pacl->acl_version != GPFS_ACL_VERSION_POSIX) {
588 DEBUG(10, ("Got acl version %d, expected %d\n",
589 pacl->acl_version, GPFS_ACL_VERSION_POSIX));
590 errno = EINVAL;
591 goto done;
592 }
593
594 DEBUG(10, ("len: %d, level: %d, version: %d, nace: %d\n",
595 pacl->acl_len, pacl->acl_level, pacl->acl_version,
596 pacl->acl_nace));
597
598 result = gpfs2smb_acl(pacl);
599 if (result == NULL) {
600 goto done;
601 }
602
603 done:
604
605 if (errno != 0) {
606 SAFE_FREE(result);
607 }
608 return result;
609 }
610
611 static SMB_ACL_T gpfsacl_sys_acl_get_file(vfs_handle_struct *handle,
612 const char *path_p,
613 SMB_ACL_TYPE_T type)
614 {
615 gpfs_aclType_t gpfs_type;
616
617 switch(type) {
618 case SMB_ACL_TYPE_ACCESS:
619 gpfs_type = GPFS_ACL_TYPE_ACCESS;
620 break;
621 case SMB_ACL_TYPE_DEFAULT:
622 gpfs_type = GPFS_ACL_TYPE_DEFAULT;
623 break;
624 default:
625 DEBUG(0, ("Got invalid type: %d\n", type));
626 smb_panic("exiting");
627 }
628
629 return gpfsacl_get_posix_acl(path_p, gpfs_type);
630 }
631
632 static SMB_ACL_T gpfsacl_sys_acl_get_fd(vfs_handle_struct *handle,
633 files_struct *fsp)
634 {
635 return gpfsacl_get_posix_acl(fsp->fsp_name->base_name,
636 GPFS_ACL_TYPE_ACCESS);
637 }
638
639 static struct gpfs_acl *smb2gpfs_acl(const SMB_ACL_T pacl,
640 SMB_ACL_TYPE_T type)
641 {
642 gpfs_aclLen_t len;
643 struct gpfs_acl *result;
644 int i;
645 union gpfs_ace_union
646 {
647 gpfs_ace_v1_t ace_v1[1]; /* when GPFS_ACL_VERSION_POSIX */
648 gpfs_ace_v4_t ace_v4[1]; /* when GPFS_ACL_VERSION_NFS4 */
649 };
650
651 DEBUG(10, ("smb2gpfs_acl: Got ACL with %d entries\n", pacl->count));
652
653 len = sizeof(struct gpfs_acl) - sizeof(union gpfs_ace_union) +
654 (pacl->count)*sizeof(gpfs_ace_v1_t);
655
656 result = (struct gpfs_acl *)SMB_MALLOC(len);
657 if (result == NULL) {
658 errno = ENOMEM;
659 return result;
660 }
661
662 result->acl_len = len;
663 result->acl_level = 0;
664 result->acl_version = GPFS_ACL_VERSION_POSIX;
665 result->acl_type = (type == SMB_ACL_TYPE_DEFAULT) ?
666 GPFS_ACL_TYPE_DEFAULT : GPFS_ACL_TYPE_ACCESS;
667 result->acl_nace = pacl->count;
668
669 for (i=0; i<pacl->count; i++) {
670 const struct smb_acl_entry *ace = &pacl->acl[i];
671 struct gpfs_ace_v1 *g_ace = &result->ace_v1[i];
672
673 DEBUG(10, ("Converting type %d perm %x\n",
674 (int)ace->a_type, (int)ace->a_perm));
675
676 g_ace->ace_perm = 0;
677
678 switch(ace->a_type) {
679 case SMB_ACL_USER:
680 g_ace->ace_type = GPFS_ACL_USER;
681 g_ace->ace_who = (gpfs_uid_t)ace->uid;
682 break;
683 case SMB_ACL_USER_OBJ:
684 g_ace->ace_type = GPFS_ACL_USER_OBJ;
685 g_ace->ace_perm |= ACL_PERM_CONTROL;
686 g_ace->ace_who = 0;
687 break;
688 case SMB_ACL_GROUP:
689 g_ace->ace_type = GPFS_ACL_GROUP;
690 g_ace->ace_who = (gpfs_uid_t)ace->gid;
691 break;
692 case SMB_ACL_GROUP_OBJ:
693 g_ace->ace_type = GPFS_ACL_GROUP_OBJ;
694 g_ace->ace_who = 0;
695 break;
696 case SMB_ACL_MASK:
697 g_ace->ace_type = GPFS_ACL_MASK;
698 g_ace->ace_perm = 0x8f;
699 g_ace->ace_who = 0;
700 break;
701 case SMB_ACL_OTHER:
702 g_ace->ace_type = GPFS_ACL_OTHER;
703 g_ace->ace_who = 0;
704 break;
705 default:
706 DEBUG(10, ("Got invalid ace_type: %d\n", ace->a_type));
707 errno = EINVAL;
708 SAFE_FREE(result);
709 return NULL;
710 }
711
712 g_ace->ace_perm |= (ace->a_perm & SMB_ACL_READ) ?
713 ACL_PERM_READ : 0;
714 g_ace->ace_perm |= (ace->a_perm & SMB_ACL_WRITE) ?
715 ACL_PERM_WRITE : 0;
716 g_ace->ace_perm |= (ace->a_perm & SMB_ACL_EXECUTE) ?
717 ACL_PERM_EXECUTE : 0;
718
719 DEBUGADD(10, ("Converted to %d id %d perm %x\n",
720 g_ace->ace_type, g_ace->ace_who, g_ace->ace_perm));
721 }
722
723 return result;
724 }
725
726 static int gpfsacl_sys_acl_set_file(vfs_handle_struct *handle,
727 const char *name,
728 SMB_ACL_TYPE_T type,
729 SMB_ACL_T theacl)
730 {
731 struct gpfs_acl *gpfs_acl;
732 int result;
733
734 gpfs_acl = smb2gpfs_acl(theacl, type);
735 if (gpfs_acl == NULL) {
736 return -1;
737 }
738
739 result = smbd_gpfs_putacl((char *)name, GPFS_PUTACL_STRUCT | GPFS_ACL_SAMBA, gpfs_acl);
740
741 SAFE_FREE(gpfs_acl);
742 return result;
743 }
744
745 static int gpfsacl_sys_acl_set_fd(vfs_handle_struct *handle,
746 files_struct *fsp,
747 SMB_ACL_T theacl)
748 {
749 return gpfsacl_sys_acl_set_file(handle, fsp->fsp_name->base_name,
750 SMB_ACL_TYPE_ACCESS, theacl);
751 }
752
753 static int gpfsacl_sys_acl_delete_def_file(vfs_handle_struct *handle,
754 const char *path)
755 {
756 errno = ENOTSUP;
757 return -1;
758 }
759
760 /*
761 * Assumed: mode bits are shiftable and standard
762 * Output: the new aceMask field for an smb nfs4 ace
763 */
764 static uint32 gpfsacl_mask_filter(uint32 aceType, uint32 aceMask, uint32 rwx)
765 {
766 const uint32 posix_nfs4map[3] = {
767 SMB_ACE4_EXECUTE, /* execute */
768 SMB_ACE4_WRITE_DATA | SMB_ACE4_APPEND_DATA, /* write; GPFS specific */
769 SMB_ACE4_READ_DATA /* read */
770 };
771 int i;
772 uint32_t posix_mask = 0x01;
773 uint32_t posix_bit;
774 uint32_t nfs4_bits;
775
776 for(i=0; i<3; i++) {
777 nfs4_bits = posix_nfs4map[i];
778 posix_bit = rwx & posix_mask;
779
780 if (aceType==SMB_ACE4_ACCESS_ALLOWED_ACE_TYPE) {
781 if (posix_bit)
782 aceMask |= nfs4_bits;
783 else
784 aceMask &= ~nfs4_bits;
785 } else {
786 /* add deny bits when suitable */
787 if (!posix_bit)
788 aceMask |= nfs4_bits;
789 else
790 aceMask &= ~nfs4_bits;
791 } /* other ace types are unexpected */
792
793 posix_mask <<= 1;
794 }
795
796 return aceMask;
797 }
798
799 static int gpfsacl_emu_chmod(const char *path, mode_t mode)
800 {
801 SMB4ACL_T *pacl = NULL;
802 int result;
803 bool haveAllowEntry[SMB_ACE4_WHO_EVERYONE + 1] = {False, False, False, False};
804 int i;
805 files_struct fake_fsp; /* TODO: rationalize parametrization */
806 SMB4ACE_T *smbace;
807 NTSTATUS status;
808
809 DEBUG(10, ("gpfsacl_emu_chmod invoked for %s mode %o\n", path, mode));
810
811 result = gpfs_get_nfs4_acl(path, &pacl);
812 if (result)
813 return result;
814
815 if (mode & ~(S_IRWXU | S_IRWXG | S_IRWXO)) {
816 DEBUG(2, ("WARNING: cutting extra mode bits %o on %s\n", mode, path));
817 }
818
819 for (smbace=smb_first_ace4(pacl); smbace!=NULL; smbace = smb_next_ace4(smbace)) {
820 SMB_ACE4PROP_T *ace = smb_get_ace4(smbace);
821 uint32_t specid = ace->who.special_id;
822
823 if (ace->flags&SMB_ACE4_ID_SPECIAL &&
824 ace->aceType<=SMB_ACE4_ACCESS_DENIED_ACE_TYPE &&
825 specid <= SMB_ACE4_WHO_EVERYONE) {
826
827 uint32_t newMask;
828
829 if (ace->aceType==SMB_ACE4_ACCESS_ALLOWED_ACE_TYPE)
830 haveAllowEntry[specid] = True;
831
832 /* mode >> 6 for @owner, mode >> 3 for @group,
833 * mode >> 0 for @everyone */
834 newMask = gpfsacl_mask_filter(ace->aceType, ace->aceMask,
835 mode >> ((SMB_ACE4_WHO_EVERYONE - specid) * 3));
836 if (ace->aceMask!=newMask) {
837 DEBUG(10, ("ace changed for %s (%o -> %o) id=%d\n",
838 path, ace->aceMask, newMask, specid));
839 }
840 ace->aceMask = newMask;
841 }
842 }
843
844 /* make sure we have at least ALLOW entries
845 * for all the 3 special ids (@EVERYONE, @OWNER, @GROUP)
846 * - if necessary
847 */
848 for(i = SMB_ACE4_WHO_OWNER; i<=SMB_ACE4_WHO_EVERYONE; i++) {
849 SMB_ACE4PROP_T ace;
850
851 if (haveAllowEntry[i]==True)
852 continue;
853
854 ZERO_STRUCT(ace);
855 ace.aceType = SMB_ACE4_ACCESS_ALLOWED_ACE_TYPE;
856 ace.flags |= SMB_ACE4_ID_SPECIAL;
857 ace.who.special_id = i;
858
859 if (i==SMB_ACE4_WHO_GROUP) /* not sure it's necessary... */
860 ace.aceFlags |= SMB_ACE4_IDENTIFIER_GROUP;
861
862 ace.aceMask = gpfsacl_mask_filter(ace.aceType, ace.aceMask,
863 mode >> ((SMB_ACE4_WHO_EVERYONE - i) * 3));
864
865 /* don't add unnecessary aces */
866 if (!ace.aceMask)
867 continue;
868
869 /* we add it to the END - as windows expects allow aces */
870 smb_add_ace4(pacl, &ace);
871 DEBUG(10, ("Added ALLOW ace for %s, mode=%o, id=%d, aceMask=%x\n",
872 path, mode, i, ace.aceMask));
873 }
874
875 /* don't add complementary DENY ACEs here */
876 ZERO_STRUCT(fake_fsp);
877 status = create_synthetic_smb_fname(talloc_tos(), path, NULL, NULL,
878 &fake_fsp.fsp_name);
879 if (!NT_STATUS_IS_OK(status)) {
880 errno = map_errno_from_nt_status(status);
881 return -1;
882 }
883 /* put the acl */
884 if (gpfsacl_process_smbacl(&fake_fsp, pacl) == False) {
885 TALLOC_FREE(fake_fsp.fsp_name);
886 return -1;
887 }
888
889 TALLOC_FREE(fake_fsp.fsp_name);
890 return 0; /* ok for [f]chmod */
891 }
892
893 static int vfs_gpfs_chmod(vfs_handle_struct *handle, const char *path, mode_t mode)
894 {
895 struct smb_filename *smb_fname_cpath;
896 int rc;
897 NTSTATUS status;
898
899 status = create_synthetic_smb_fname(
900 talloc_tos(), path, NULL, NULL, &smb_fname_cpath);
901
902 if (SMB_VFS_NEXT_STAT(handle, smb_fname_cpath) != 0) {
903 return -1;
904 }
905
906 /* avoid chmod() if possible, to preserve acls */
907 if ((smb_fname_cpath->st.st_ex_mode & ~S_IFMT) == mode) {
908 return 0;
909 }
910
911 rc = gpfsacl_emu_chmod(path, mode);
912 if (rc == 1)
913 return SMB_VFS_NEXT_CHMOD(handle, path, mode);
914 return rc;
915 }
916
917 static int vfs_gpfs_fchmod(vfs_handle_struct *handle, files_struct *fsp, mode_t mode)
918 {
919 SMB_STRUCT_STAT st;
920 int rc;
921
922 if (SMB_VFS_NEXT_FSTAT(handle, fsp, &st) != 0) {
923 return -1;
924 }
925
926 /* avoid chmod() if possible, to preserve acls */
927 if ((st.st_ex_mode & ~S_IFMT) == mode) {
928 return 0;
929 }
930
931 rc = gpfsacl_emu_chmod(fsp->fsp_name->base_name, mode);
932 if (rc == 1)
933 return SMB_VFS_NEXT_FCHMOD(handle, fsp, mode);
934 return rc;
935 }
936
937 static int gpfs_set_xattr(struct vfs_handle_struct *handle, const char *path,
938 const char *name, const void *value, size_t size, int flags){
939 struct xattr_DOSATTRIB dosattrib;
940 enum ndr_err_code ndr_err;
941 DATA_BLOB blob;
942 const char *attrstr = value;
943 unsigned int dosmode=0;
944 struct gpfs_winattr attrs;
945 int ret = 0;
946
947 DEBUG(10, ("gpfs_set_xattr: %s \n",path));
948
949 /* Only handle DOS Attributes */
950 if (strcmp(name,SAMBA_XATTR_DOS_ATTRIB) != 0){
951 DEBUG(1, ("gpfs_set_xattr:name is %s\n",name));
952 return SMB_VFS_NEXT_SETXATTR(handle,path,name,value,size,flags);
953 }
954
955 blob.data = (uint8_t *)attrstr;
956 blob.length = size;
957
958 ndr_err = ndr_pull_struct_blob(&blob, talloc_tos(), &dosattrib,
959 (ndr_pull_flags_fn_t)ndr_pull_xattr_DOSATTRIB);
960
961 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
962 DEBUG(1, ("gpfs_set_xattr: bad ndr decode "
963 "from EA on file %s: Error = %s\n",
964 path, ndr_errstr(ndr_err)));
965 return false;
966 }
967
968 if (dosattrib.version != 3) {
969 DEBUG(1, ("gpfs_set_xattr: expected dosattrib version 3, got "
970 "%d\n", (int)dosattrib.version));
971 return false;
972 }
973 if (!(dosattrib.info.info3.valid_flags & XATTR_DOSINFO_ATTRIB)) {
974 DEBUG(10, ("gpfs_set_xattr: XATTR_DOSINFO_ATTRIB not "
975 "valid, ignoring\n"));
976 return true;
977 }
978
979 dosmode = dosattrib.info.info3.attrib;
980
981 attrs.winAttrs = 0;
982 /*Just map RD_ONLY, ARCHIVE, SYSTEM HIDDEN and SPARSE. Ignore the others*/
983 if (dosmode & FILE_ATTRIBUTE_ARCHIVE){
984 attrs.winAttrs |= GPFS_WINATTR_ARCHIVE;
985 }
986 if (dosmode & FILE_ATTRIBUTE_HIDDEN){
987 attrs.winAttrs |= GPFS_WINATTR_HIDDEN;
988 }
989 if (dosmode & FILE_ATTRIBUTE_SYSTEM){
990 attrs.winAttrs |= GPFS_WINATTR_SYSTEM;
991 }
992 if (dosmode & FILE_ATTRIBUTE_READONLY){
993 attrs.winAttrs |= GPFS_WINATTR_READONLY;
994 }
995 if (dosmode & FILE_ATTRIBUTE_SPARSE) {
996 attrs.winAttrs |= GPFS_WINATTR_SPARSE_FILE;
997 }
998
999
1000 ret = set_gpfs_winattrs(CONST_DISCARD(char *, path),
1001 GPFS_WINATTR_SET_ATTRS, &attrs);
1002 if ( ret == -1){
1003 if (errno == ENOSYS) {
1004 return SMB_VFS_NEXT_SETXATTR(handle, path, name, value,
1005 size, flags);
1006 }
1007
1008 DEBUG(1, ("gpfs_set_xattr:Set GPFS attributes failed %d\n",ret));
1009 return -1;
1010 }
1011
1012 DEBUG(10, ("gpfs_set_xattr:Set attributes: 0x%x\n",attrs.winAttrs));
1013 return 0;
1014 }
1015
1016 static ssize_t gpfs_get_xattr(struct vfs_handle_struct *handle, const char *path,
1017 const char *name, void *value, size_t size){
1018 char *attrstr = value;
1019 unsigned int dosmode = 0;
1020 struct gpfs_winattr attrs;
1021 int ret = 0;
1022
1023 DEBUG(10, ("gpfs_get_xattr: %s \n",path));
1024
1025 /* Only handle DOS Attributes */
1026 if (strcmp(name,SAMBA_XATTR_DOS_ATTRIB) != 0){
1027 DEBUG(1, ("gpfs_get_xattr:name is %s\n",name));
1028 return SMB_VFS_NEXT_GETXATTR(handle,path,name,value,size);
1029 }
1030
1031 ret = get_gpfs_winattrs(CONST_DISCARD(char *, path), &attrs);
1032 if ( ret == -1){
1033 if (errno == ENOSYS) {
1034 return SMB_VFS_NEXT_GETXATTR(handle, path, name, value,
1035 size);
1036 }
1037
1038 DEBUG(1, ("gpfs_get_xattr: Get GPFS attributes failed: "
1039 "%d (%s)\n", ret, strerror(errno)));
1040 return -1;
1041 }
1042
1043 DEBUG(10, ("gpfs_get_xattr:Got attributes: 0x%x\n",attrs.winAttrs));
1044
1045 /*Just map RD_ONLY, ARCHIVE, SYSTEM, HIDDEN and SPARSE. Ignore the others*/
1046 if (attrs.winAttrs & GPFS_WINATTR_ARCHIVE){
1047 dosmode |= FILE_ATTRIBUTE_ARCHIVE;
1048 }
1049 if (attrs.winAttrs & GPFS_WINATTR_HIDDEN){
1050 dosmode |= FILE_ATTRIBUTE_HIDDEN;
1051 }
1052 if (attrs.winAttrs & GPFS_WINATTR_SYSTEM){
1053 dosmode |= FILE_ATTRIBUTE_SYSTEM;
1054 }
1055 if (attrs.winAttrs & GPFS_WINATTR_READONLY){
1056 dosmode |= FILE_ATTRIBUTE_READONLY;
1057 }
1058 if (attrs.winAttrs & GPFS_WINATTR_SPARSE_FILE) {
1059 dosmode |= FILE_ATTRIBUTE_SPARSE;
1060 }
1061
1062 snprintf(attrstr, size, "0x%2.2x",
1063 (unsigned int)(dosmode & SAMBA_ATTRIBUTES_MASK));
1064 DEBUG(10, ("gpfs_get_xattr: returning %s\n",attrstr));
1065 return 4;
1066 }
1067
1068 static int vfs_gpfs_stat(struct vfs_handle_struct *handle,
1069 struct smb_filename *smb_fname)
1070 {
1071 struct gpfs_winattr attrs;
1072 char *fname = NULL;
1073 NTSTATUS status;
1074 int ret;
1075
1076 ret = SMB_VFS_NEXT_STAT(handle, smb_fname);
1077 if (ret == -1) {
1078 return -1;
1079 }
1080 status = get_full_smb_filename(talloc_tos(), smb_fname, &fname);
1081 if (!NT_STATUS_IS_OK(status)) {
1082 errno = map_errno_from_nt_status(status);
1083 return -1;
1084 }
1085 ret = get_gpfs_winattrs(CONST_DISCARD(char *, fname), &attrs);
1086 TALLOC_FREE(fname);
1087 if (ret == 0) {
1088 smb_fname->st.st_ex_btime.tv_sec = attrs.creationTime.tv_sec;
1089 smb_fname->st.st_ex_btime.tv_nsec = attrs.creationTime.tv_nsec;
1090 }
1091 return 0;
1092 }
1093
1094 static int vfs_gpfs_fstat(struct vfs_handle_struct *handle,
1095 struct files_struct *fsp, SMB_STRUCT_STAT *sbuf)
1096 {
1097 struct gpfs_winattr attrs;
1098 int ret;
1099
1100 ret = SMB_VFS_NEXT_FSTAT(handle, fsp, sbuf);
1101 if (ret == -1) {
1102 return -1;
1103 }
1104 if ((fsp->fh == NULL) || (fsp->fh->fd == -1)) {
1105 return 0;
1106 }
1107 ret = smbd_fget_gpfs_winattrs(fsp->fh->fd, &attrs);
1108 if (ret == 0) {
1109 sbuf->st_ex_btime.tv_sec = attrs.creationTime.tv_sec;
1110 sbuf->st_ex_btime.tv_nsec = attrs.creationTime.tv_nsec;
1111 }
1112 return 0;
1113 }
1114
1115 static int vfs_gpfs_lstat(struct vfs_handle_struct *handle,
1116 struct smb_filename *smb_fname)
1117 {
1118 struct gpfs_winattr attrs;
1119 char *path = NULL;
1120 NTSTATUS status;
1121 int ret;
1122
1123 ret = SMB_VFS_NEXT_LSTAT(handle, smb_fname);
1124 if (ret == -1) {
1125 return -1;
1126 }
1127 status = get_full_smb_filename(talloc_tos(), smb_fname, &path);
1128 if (!NT_STATUS_IS_OK(status)) {
1129 errno = map_errno_from_nt_status(status);
1130 return -1;
1131 }
1132 ret = get_gpfs_winattrs(CONST_DISCARD(char *, path), &attrs);
1133 TALLOC_FREE(path);
1134 if (ret == 0) {
1135 smb_fname->st.st_ex_btime.tv_sec = attrs.creationTime.tv_sec;
1136 smb_fname->st.st_ex_btime.tv_nsec = attrs.creationTime.tv_nsec;
1137 }
1138 return 0;
1139 }
1140
1141 static int vfs_gpfs_ntimes(struct vfs_handle_struct *handle,
1142 const struct smb_filename *smb_fname,
1143 struct smb_file_time *ft)
1144 {
1145
1146 struct gpfs_winattr attrs;
1147 int ret;
1148 char *path = NULL;
1149 NTSTATUS status;
1150
1151 ret = SMB_VFS_NEXT_NTIMES(handle, smb_fname, ft);
1152 if(ret == -1){
1153 DEBUG(1,("vfs_gpfs_ntimes: SMB_VFS_NEXT_NTIMES failed\n"));
1154 return -1;
1155 }
1156
1157 if(null_timespec(ft->create_time)){
1158 DEBUG(10,("vfs_gpfs_ntimes:Create Time is NULL\n"));
1159 return 0;
1160 }
1161
1162 status = get_full_smb_filename(talloc_tos(), smb_fname, &path);
1163 if (!NT_STATUS_IS_OK(status)) {
1164 errno = map_errno_from_nt_status(status);
1165 return -1;
1166 }
1167
1168 attrs.winAttrs = 0;
1169 attrs.creationTime.tv_sec = ft->create_time.tv_sec;
1170 attrs.creationTime.tv_nsec = ft->create_time.tv_nsec;
1171
1172 ret = set_gpfs_winattrs(CONST_DISCARD(char *, path),
1173 GPFS_WINATTR_SET_CREATION_TIME, &attrs);
1174 if(ret == -1 && errno != ENOSYS){
1175 DEBUG(1,("vfs_gpfs_ntimes: set GPFS ntimes failed %d\n",ret));
1176 return -1;
1177 }
1178 return 0;
1179
1180 }
1181
1182 static int vfs_gpfs_ftruncate(vfs_handle_struct *handle, files_struct *fsp,
1183 SMB_OFF_T len)
1184 {
1185 int result;
1186
1187 result = smbd_gpfs_ftruncate(fsp->fh->fd, len);
1188 if ((result == -1) && (errno == ENOSYS)) {
1189 return SMB_VFS_NEXT_FTRUNCATE(handle, fsp, len);
1190 }
1191 return result;
1192 }
1193
1194 static bool vfs_gpfs_is_offline(struct vfs_handle_struct *handle,
1195 const struct smb_filename *fname,
1196 SMB_STRUCT_STAT *sbuf)
1197 {
1198 struct gpfs_winattr attrs;
1199 char *path = NULL;
1200 NTSTATUS status;
1201 int ret;
1202
1203 status = get_full_smb_filename(talloc_tos(), fname, &path);
1204 if (!NT_STATUS_IS_OK(status)) {
1205 errno = map_errno_from_nt_status(status);
1206 return -1;
1207 }
1208 ret = get_gpfs_winattrs(path, &attrs);
1209
1210 if (ret == -1) {
1211 TALLOC_FREE(path);
1212 return false;
1213 }
1214 if ((attrs.winAttrs & GPFS_WINATTR_OFFLINE) != 0) {
1215 DEBUG(10, ("%s is offline\n", path));
1216 TALLOC_FREE(path);
1217 return true;
1218 }
1219 DEBUG(10, ("%s is online\n", path));
1220 TALLOC_FREE(path);
1221 return SMB_VFS_NEXT_IS_OFFLINE(handle, fname, sbuf);
1222 }
1223
1224 static bool vfs_gpfs_aio_force(struct vfs_handle_struct *handle,
1225 struct files_struct *fsp)
1226 {
1227 return vfs_gpfs_is_offline(handle, fsp->fsp_name, &fsp->fsp_name->st);
1228 }
1229
1230 int vfs_gpfs_connect(struct vfs_handle_struct *handle, const char *service,
1231 const char *user)
1232 {
1233 struct gpfs_config_data *config;
1234 int ret = SMB_VFS_NEXT_CONNECT(handle, service, user);
1235
1236 if (ret < 0) {
1237 return ret;
1238 }
1239
1240 config = talloc_zero(handle->conn, struct gpfs_config_data);
1241 if (!config) {
1242 SMB_VFS_NEXT_DISCONNECT(handle);
1243 DEBUG(0, ("talloc_zero() failed\n")); return -1;
1244 }
1245
1246 config->sharemodes = lp_parm_bool(SNUM(handle->conn), "gpfs",
1247 "sharemodes", true);
1248
1249 config->leases = lp_parm_bool(SNUM(handle->conn), "gpfs",
1250 "leases", true);
1251
1252 config->hsm = lp_parm_bool(SNUM(handle->conn), "gpfs",
1253 "hsm", false);
1254
1255 SMB_VFS_HANDLE_SET_DATA(handle, config,
1256 NULL, struct gpfs_config_data,
1257 return -1);
1258
1259 return 0;
1260 }
1261
1262 static uint32_t vfs_gpfs_capabilities(struct vfs_handle_struct *handle,
1263 enum timestamp_set_resolution *p_ts_res)
1264 {
1265 struct gpfs_config_data *config;
1266 uint32_t next;
1267
1268 next = SMB_VFS_NEXT_FS_CAPABILITIES(handle, p_ts_res);
1269
1270 SMB_VFS_HANDLE_GET_DATA(handle, config,
1271 struct gpfs_config_data,
1272 return next);
1273
1274 if (config->hsm) {
1275 next |= FILE_SUPPORTS_REMOTE_STORAGE;
1276 }
1277 return next;
1278 }
1279
1280
1281 static struct vfs_fn_pointers vfs_gpfs_fns = {
1282 .connect_fn = vfs_gpfs_connect,
1283 .fs_capabilities = vfs_gpfs_capabilities,
1284 .kernel_flock = vfs_gpfs_kernel_flock,
1285 .linux_setlease = vfs_gpfs_setlease,
1286 .get_real_filename = vfs_gpfs_get_real_filename,
1287 .fget_nt_acl = gpfsacl_fget_nt_acl,
1288 .get_nt_acl = gpfsacl_get_nt_acl,
1289 .fset_nt_acl = gpfsacl_fset_nt_acl,
1290 .sys_acl_get_file = gpfsacl_sys_acl_get_file,
1291 .sys_acl_get_fd = gpfsacl_sys_acl_get_fd,
1292 .sys_acl_set_file = gpfsacl_sys_acl_set_file,
1293 .sys_acl_set_fd = gpfsacl_sys_acl_set_fd,
1294 .sys_acl_delete_def_file = gpfsacl_sys_acl_delete_def_file,
1295 .chmod = vfs_gpfs_chmod,
1296 .fchmod = vfs_gpfs_fchmod,
1297 .close_fn = vfs_gpfs_close,
1298 .setxattr = gpfs_set_xattr,
1299 .getxattr = gpfs_get_xattr,
1300 .stat = vfs_gpfs_stat,
1301 .fstat = vfs_gpfs_fstat,
1302 .lstat = vfs_gpfs_lstat,
1303 .ntimes = vfs_gpfs_ntimes,
1304 .is_offline = vfs_gpfs_is_offline,
1305 .aio_force = vfs_gpfs_aio_force,
1306 .ftruncate = vfs_gpfs_ftruncate
1307 };
1308
1309 NTSTATUS vfs_gpfs_init(void);
1310 NTSTATUS vfs_gpfs_init(void)
1311 {
1312 init_gpfs();
1313
1314 return smb_register_vfs(SMB_VFS_INTERFACE_VERSION, "gpfs",
1315 &vfs_gpfs_fns);
1316 }
Anubhav's Work In Progress branches