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vfs_gpfs: Store the winattrs in st.vfs_private
[Samba.git] / source3 / modules / vfs_gpfs.c
blobe8d8bd38aeb02d018460ce2f405b064b27a3c106
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
36 struct gpfs_config_data {
37 bool sharemodes;
38 bool leases;
39 bool hsm;
40 };
41
42
43 static int vfs_gpfs_kernel_flock(vfs_handle_struct *handle, files_struct *fsp,
44 uint32 share_mode, uint32 access_mask)
45 {
46
47 struct gpfs_config_data *config;
48
49 SMB_VFS_HANDLE_GET_DATA(handle, config,
50 struct gpfs_config_data,
51 return -1);
52
53 START_PROFILE(syscall_kernel_flock);
54
55 kernel_flock(fsp->fh->fd, share_mode, access_mask);
56
57 if (config->sharemodes
58 && !set_gpfs_sharemode(fsp, access_mask, fsp->share_access)) {
59 return -1;
60 }
61
62 END_PROFILE(syscall_kernel_flock);
63
64 return 0;
65 }
66
67 static int vfs_gpfs_close(vfs_handle_struct *handle, files_struct *fsp)
68 {
69
70 struct gpfs_config_data *config;
71
72 SMB_VFS_HANDLE_GET_DATA(handle, config,
73 struct gpfs_config_data,
74 return -1);
75
76 if (config->sharemodes && (fsp->fh != NULL) && (fsp->fh->fd != -1)) {
77 set_gpfs_sharemode(fsp, 0, 0);
78 }
79
80 return SMB_VFS_NEXT_CLOSE(handle, fsp);
81 }
82
83 static int vfs_gpfs_setlease(vfs_handle_struct *handle, files_struct *fsp,
84 int leasetype)
85 {
86 struct gpfs_config_data *config;
87 int ret=0;
88
89 SMB_VFS_HANDLE_GET_DATA(handle, config,
90 struct gpfs_config_data,
91 return -1);
92
93 START_PROFILE(syscall_linux_setlease);
94
95 if (linux_set_lease_sighandler(fsp->fh->fd) == -1)
96 return -1;
97
98 if (config->leases) {
99 ret = set_gpfs_lease(fsp->fh->fd,leasetype);
100 }
101
102 if (ret < 0) {
103 /* This must have come from GPFS not being available */
104 /* or some other error, hence call the default */
105 ret = linux_setlease(fsp->fh->fd, leasetype);
106 }
107
108 END_PROFILE(syscall_linux_setlease);
109
110 return ret;
111 }
112
113 static int vfs_gpfs_get_real_filename(struct vfs_handle_struct *handle,
114 const char *path,
115 const char *name,
116 TALLOC_CTX *mem_ctx,
117 char **found_name)
118 {
119 int result;
120 char *full_path;
121 char real_pathname[PATH_MAX+1];
122 int buflen;
123 bool mangled;
124
125 mangled = mangle_is_mangled(name, handle->conn->params);
126 if (mangled) {
127 return SMB_VFS_NEXT_GET_REAL_FILENAME(handle, path, name,
128 mem_ctx, found_name);
129 }
130
131 full_path = talloc_asprintf(talloc_tos(), "%s/%s", path, name);
132 if (full_path == NULL) {
133 errno = ENOMEM;
134 return -1;
135 }
136
137 buflen = sizeof(real_pathname) - 1;
138
139 result = smbd_gpfs_get_realfilename_path(full_path, real_pathname,
140 &buflen);
141
142 TALLOC_FREE(full_path);
143
144 if ((result == -1) && (errno == ENOSYS)) {
145 return SMB_VFS_NEXT_GET_REAL_FILENAME(
146 handle, path, name, mem_ctx, found_name);
147 }
148
149 if (result == -1) {
150 DEBUG(10, ("smbd_gpfs_get_realfilename_path returned %s\n",
151 strerror(errno)));
152 return -1;
153 }
154
155 /*
156 * GPFS does not necessarily null-terminate the returned path
157 * but instead returns the buffer length in buflen.
158 */
159
160 if (buflen < sizeof(real_pathname)) {
161 real_pathname[buflen] = '\0';
162 } else {
163 real_pathname[sizeof(real_pathname)-1] = '\0';
164 }
165
166 DEBUG(10, ("smbd_gpfs_get_realfilename_path: %s/%s -> %s\n",
167 path, name, real_pathname));
168
169 name = strrchr_m(real_pathname, '/');
170 if (name == NULL) {
171 errno = ENOENT;
172 return -1;
173 }
174
175 *found_name = talloc_strdup(mem_ctx, name+1);
176 if (*found_name == NULL) {
177 errno = ENOMEM;
178 return -1;
179 }
180
181 return 0;
182 }
183
184 static void gpfs_dumpacl(int level, struct gpfs_acl *gacl)
185 {
186 int i;
187 if (gacl==NULL)
188 {
189 DEBUG(0, ("gpfs acl is NULL\n"));
190 return;
191 }
192
193 DEBUG(level, ("gpfs acl: nace: %d, type:%d, version:%d, level:%d, len:%d\n",
194 gacl->acl_nace, gacl->acl_type, gacl->acl_version, gacl->acl_level, gacl->acl_len));
195 for(i=0; i<gacl->acl_nace; i++)
196 {
197 struct gpfs_ace_v4 *gace = gacl->ace_v4 + i;
198 DEBUG(level, ("\tace[%d]: type:%d, flags:0x%x, mask:0x%x, iflags:0x%x, who:%u\n",
199 i, gace->aceType, gace->aceFlags, gace->aceMask,
200 gace->aceIFlags, gace->aceWho));
201 }
202 }
203
204 static struct gpfs_acl *gpfs_getacl_alloc(const char *fname, gpfs_aclType_t type)
205 {
206 struct gpfs_acl *acl;
207 size_t len = 200;
208 int ret;
209 TALLOC_CTX *mem_ctx = talloc_tos();
210
211 acl = (struct gpfs_acl *)TALLOC_SIZE(mem_ctx, len);
212 if (acl == NULL) {
213 errno = ENOMEM;
214 return NULL;
215 }
216
217 acl->acl_len = len;
218 acl->acl_level = 0;
219 acl->acl_version = 0;
220 acl->acl_type = type;
221
222 ret = smbd_gpfs_getacl((char *)fname, GPFS_GETACL_STRUCT | GPFS_ACL_SAMBA, acl);
223 if ((ret != 0) && (errno == ENOSPC)) {
224 struct gpfs_acl *new_acl = (struct gpfs_acl *)TALLOC_SIZE(
225 mem_ctx, acl->acl_len + sizeof(struct gpfs_acl));
226 if (new_acl == NULL) {
227 errno = ENOMEM;
228 return NULL;
229 }
230
231 new_acl->acl_len = acl->acl_len;
232 new_acl->acl_level = acl->acl_level;
233 new_acl->acl_version = acl->acl_version;
234 new_acl->acl_type = acl->acl_type;
235 acl = new_acl;
236
237 ret = smbd_gpfs_getacl((char *)fname, GPFS_GETACL_STRUCT | GPFS_ACL_SAMBA, acl);
238 }
239 if (ret != 0)
240 {
241 DEBUG(8, ("smbd_gpfs_getacl failed with %s\n",strerror(errno)));
242 return NULL;
243 }
244
245 return acl;
246 }
247
248 /* Tries to get nfs4 acls and returns SMB ACL allocated.
249 * On failure returns 1 if it got non-NFSv4 ACL to prompt
250 * retry with POSIX ACL checks.
251 * On failure returns -1 if there is system (GPFS) error, check errno.
252 * Returns 0 on success
253 */
254 static int gpfs_get_nfs4_acl(const char *fname, SMB4ACL_T **ppacl)
255 {
256 int i;
257 struct gpfs_acl *gacl = NULL;
258 DEBUG(10, ("gpfs_get_nfs4_acl invoked for %s\n", fname));
259
260 /* First get the real acl length */
261 gacl = gpfs_getacl_alloc(fname, 0);
262 if (gacl == NULL) {
263 DEBUG(9, ("gpfs_getacl failed for %s with %s\n",
264 fname, strerror(errno)));
265 return -1;
266 }
267
268 if (gacl->acl_type != GPFS_ACL_TYPE_NFS4) {
269 DEBUG(10, ("Got non-nfsv4 acl\n"));
270 /* Retry with POSIX ACLs check */
271 return 1;
272 }
273
274 *ppacl = smb_create_smb4acl();
275
276 DEBUG(10, ("len: %d, level: %d, version: %d, nace: %d\n",
277 gacl->acl_len, gacl->acl_level, gacl->acl_version,
278 gacl->acl_nace));
279
280 for (i=0; i<gacl->acl_nace; i++) {
281 struct gpfs_ace_v4 *gace = &gacl->ace_v4[i];
282 SMB_ACE4PROP_T smbace;
283 DEBUG(10, ("type: %d, iflags: %x, flags: %x, mask: %x, "
284 "who: %d\n", gace->aceType, gace->aceIFlags,
285 gace->aceFlags, gace->aceMask, gace->aceWho));
286
287 ZERO_STRUCT(smbace);
288 if (gace->aceIFlags & ACE4_IFLAG_SPECIAL_ID) {
289 smbace.flags |= SMB_ACE4_ID_SPECIAL;
290 switch (gace->aceWho) {
291 case ACE4_SPECIAL_OWNER:
292 smbace.who.special_id = SMB_ACE4_WHO_OWNER;
293 break;
294 case ACE4_SPECIAL_GROUP:
295 smbace.who.special_id = SMB_ACE4_WHO_GROUP;
296 break;
297 case ACE4_SPECIAL_EVERYONE:
298 smbace.who.special_id = SMB_ACE4_WHO_EVERYONE;
299 break;
300 default:
301 DEBUG(8, ("invalid special gpfs id %d "
302 "ignored\n", gace->aceWho));
303 continue; /* don't add it */
304 }
305 } else {
306 if (gace->aceFlags & ACE4_FLAG_GROUP_ID)
307 smbace.who.gid = gace->aceWho;
308 else
309 smbace.who.uid = gace->aceWho;
310 }
311
312 /* remove redundent deny entries */
313 if (i > 0 && gace->aceType == SMB_ACE4_ACCESS_DENIED_ACE_TYPE) {
314 struct gpfs_ace_v4 *prev = &gacl->ace_v4[i-1];
315 if (prev->aceType == SMB_ACE4_ACCESS_ALLOWED_ACE_TYPE &&
316 prev->aceFlags == gace->aceFlags &&
317 prev->aceIFlags == gace->aceIFlags &&
318 (gace->aceMask & prev->aceMask) == 0 &&
319 gace->aceWho == prev->aceWho) {
320 /* its redundent - skip it */
321 continue;
322 }
323 }
324
325 smbace.aceType = gace->aceType;
326 smbace.aceFlags = gace->aceFlags;
327 smbace.aceMask = gace->aceMask;
328 smb_add_ace4(*ppacl, &smbace);
329 }
330
331 return 0;
332 }
333
334 static NTSTATUS gpfsacl_fget_nt_acl(vfs_handle_struct *handle,
335 files_struct *fsp, uint32 security_info,
336 struct security_descriptor **ppdesc)
337 {
338 SMB4ACL_T *pacl = NULL;
339 int result;
340
341 *ppdesc = NULL;
342 result = gpfs_get_nfs4_acl(fsp->fsp_name->base_name, &pacl);
343
344 if (result == 0)
345 return smb_fget_nt_acl_nfs4(fsp, security_info, ppdesc, pacl);
346
347 if (result > 0) {
348 DEBUG(10, ("retrying with posix acl...\n"));
349 return posix_fget_nt_acl(fsp, security_info, ppdesc);
350 }
351
352 /* GPFS ACL was not read, something wrong happened, error code is set in errno */
353 return map_nt_error_from_unix(errno);
354 }
355
356 static NTSTATUS gpfsacl_get_nt_acl(vfs_handle_struct *handle,
357 const char *name,
358 uint32 security_info, struct security_descriptor **ppdesc)
359 {
360 SMB4ACL_T *pacl = NULL;
361 int result;
362
363 *ppdesc = NULL;
364 result = gpfs_get_nfs4_acl(name, &pacl);
365
366 if (result == 0)
367 return smb_get_nt_acl_nfs4(handle->conn, name, security_info, ppdesc, pacl);
368
369 if (result > 0) {
370 DEBUG(10, ("retrying with posix acl...\n"));
371 return posix_get_nt_acl(handle->conn, name, security_info, ppdesc);
372 }
373
374 /* GPFS ACL was not read, something wrong happened, error code is set in errno */
375 return map_nt_error_from_unix(errno);
376 }
377
378 static bool gpfsacl_process_smbacl(files_struct *fsp, SMB4ACL_T *smbacl)
379 {
380 int ret;
381 gpfs_aclLen_t gacl_len;
382 SMB4ACE_T *smbace;
383 struct gpfs_acl *gacl;
384 TALLOC_CTX *mem_ctx = talloc_tos();
385
386 gacl_len = sizeof(struct gpfs_acl) +
387 (smb_get_naces(smbacl)-1)*sizeof(gpfs_ace_v4_t);
388
389 gacl = (struct gpfs_acl *)TALLOC_SIZE(mem_ctx, gacl_len);
390 if (gacl == NULL) {
391 DEBUG(0, ("talloc failed\n"));
392 errno = ENOMEM;
393 return False;
394 }
395
396 gacl->acl_len = gacl_len;
397 gacl->acl_level = 0;
398 gacl->acl_version = GPFS_ACL_VERSION_NFS4;
399 gacl->acl_type = GPFS_ACL_TYPE_NFS4;
400 gacl->acl_nace = 0; /* change later... */
401
402 for (smbace=smb_first_ace4(smbacl); smbace!=NULL; smbace = smb_next_ace4(smbace)) {
403 struct gpfs_ace_v4 *gace = &gacl->ace_v4[gacl->acl_nace];
404 SMB_ACE4PROP_T *aceprop = smb_get_ace4(smbace);
405
406 gace->aceType = aceprop->aceType;
407 gace->aceFlags = aceprop->aceFlags;
408 gace->aceMask = aceprop->aceMask;
409
410 /*
411 * GPFS can't distinguish between WRITE and APPEND on
412 * files, so one being set without the other is an
413 * error. Sorry for the many ()'s :-)
414 */
415
416 if (!fsp->is_directory
417 &&
418 ((((gace->aceMask & ACE4_MASK_WRITE) == 0)
419 && ((gace->aceMask & ACE4_MASK_APPEND) != 0))
420 ||
421 (((gace->aceMask & ACE4_MASK_WRITE) != 0)
422 && ((gace->aceMask & ACE4_MASK_APPEND) == 0)))
423 &&
424 lp_parm_bool(fsp->conn->params->service, "gpfs",
425 "merge_writeappend", True)) {
426 DEBUG(2, ("vfs_gpfs.c: file [%s]: ACE contains "
427 "WRITE^APPEND, setting WRITE|APPEND\n",
428 fsp_str_dbg(fsp)));
429 gace->aceMask |= ACE4_MASK_WRITE|ACE4_MASK_APPEND;
430 }
431
432 gace->aceIFlags = (aceprop->flags&SMB_ACE4_ID_SPECIAL) ? ACE4_IFLAG_SPECIAL_ID : 0;
433
434 if (aceprop->flags&SMB_ACE4_ID_SPECIAL)
435 {
436 switch(aceprop->who.special_id)
437 {
438 case SMB_ACE4_WHO_EVERYONE:
439 gace->aceWho = ACE4_SPECIAL_EVERYONE;
440 break;
441 case SMB_ACE4_WHO_OWNER:
442 gace->aceWho = ACE4_SPECIAL_OWNER;
443 break;
444 case SMB_ACE4_WHO_GROUP:
445 gace->aceWho = ACE4_SPECIAL_GROUP;
446 break;
447 default:
448 DEBUG(8, ("unsupported special_id %d\n", aceprop->who.special_id));
449 continue; /* don't add it !!! */
450 }
451 } else {
452 /* just only for the type safety... */
453 if (aceprop->aceFlags&SMB_ACE4_IDENTIFIER_GROUP)
454 gace->aceWho = aceprop->who.gid;
455 else
456 gace->aceWho = aceprop->who.uid;
457 }
458
459 gacl->acl_nace++;
460 }
461
462 ret = smbd_gpfs_putacl(fsp->fsp_name->base_name,
463 GPFS_PUTACL_STRUCT | GPFS_ACL_SAMBA, gacl);
464 if (ret != 0) {
465 DEBUG(8, ("gpfs_putacl failed with %s\n", strerror(errno)));
466 gpfs_dumpacl(8, gacl);
467 return False;
468 }
469
470 DEBUG(10, ("gpfs_putacl succeeded\n"));
471 return True;
472 }
473
474 static NTSTATUS gpfsacl_set_nt_acl_internal(files_struct *fsp, uint32 security_info_sent, const struct security_descriptor *psd)
475 {
476 struct gpfs_acl *acl;
477 NTSTATUS result = NT_STATUS_ACCESS_DENIED;
478
479 acl = gpfs_getacl_alloc(fsp->fsp_name->base_name, 0);
480 if (acl == NULL)
481 return result;
482
483 if (acl->acl_version&GPFS_ACL_VERSION_NFS4)
484 {
485 if (lp_parm_bool(fsp->conn->params->service, "gpfs",
486 "refuse_dacl_protected", false)
487 && (psd->type&SEC_DESC_DACL_PROTECTED)) {
488 DEBUG(2, ("Rejecting unsupported ACL with DACL_PROTECTED bit set\n"));
489 return NT_STATUS_NOT_SUPPORTED;
490 }
491
492 result = smb_set_nt_acl_nfs4(
493 fsp, security_info_sent, psd,
494 gpfsacl_process_smbacl);
495 } else { /* assume POSIX ACL - by default... */
496 result = set_nt_acl(fsp, security_info_sent, psd);
497 }
498
499 return result;
500 }
501
502 static NTSTATUS gpfsacl_fset_nt_acl(vfs_handle_struct *handle, files_struct *fsp, uint32 security_info_sent, const struct security_descriptor *psd)
503 {
504 return gpfsacl_set_nt_acl_internal(fsp, security_info_sent, psd);
505 }
506
507 static SMB_ACL_T gpfs2smb_acl(const struct gpfs_acl *pacl)
508 {
509 SMB_ACL_T result;
510 int i;
511
512 result = sys_acl_init(pacl->acl_nace);
513 if (result == NULL) {
514 errno = ENOMEM;
515 return NULL;
516 }
517
518 result->count = pacl->acl_nace;
519
520 for (i=0; i<pacl->acl_nace; i++) {
521 struct smb_acl_entry *ace = &result->acl[i];
522 const struct gpfs_ace_v1 *g_ace = &pacl->ace_v1[i];
523
524 DEBUG(10, ("Converting type %d id %lu perm %x\n",
525 (int)g_ace->ace_type, (unsigned long)g_ace->ace_who,
526 (int)g_ace->ace_perm));
527
528 switch (g_ace->ace_type) {
529 case GPFS_ACL_USER:
530 ace->a_type = SMB_ACL_USER;
531 ace->uid = (uid_t)g_ace->ace_who;
532 break;
533 case GPFS_ACL_USER_OBJ:
534 ace->a_type = SMB_ACL_USER_OBJ;
535 break;
536 case GPFS_ACL_GROUP:
537 ace->a_type = SMB_ACL_GROUP;
538 ace->gid = (gid_t)g_ace->ace_who;
539 break;
540 case GPFS_ACL_GROUP_OBJ:
541 ace->a_type = SMB_ACL_GROUP_OBJ;
542 break;
543 case GPFS_ACL_OTHER:
544 ace->a_type = SMB_ACL_OTHER;
545 break;
546 case GPFS_ACL_MASK:
547 ace->a_type = SMB_ACL_MASK;
548 break;
549 default:
550 DEBUG(10, ("Got invalid ace_type: %d\n",
551 g_ace->ace_type));
552 errno = EINVAL;
553 SAFE_FREE(result);
554 return NULL;
555 }
556
557 ace->a_perm = 0;
558 ace->a_perm |= (g_ace->ace_perm & ACL_PERM_READ) ?
559 SMB_ACL_READ : 0;
560 ace->a_perm |= (g_ace->ace_perm & ACL_PERM_WRITE) ?
561 SMB_ACL_WRITE : 0;
562 ace->a_perm |= (g_ace->ace_perm & ACL_PERM_EXECUTE) ?
563 SMB_ACL_EXECUTE : 0;
564
565 DEBUGADD(10, ("Converted to %d perm %x\n",
566 ace->a_type, ace->a_perm));
567 }
568
569 return result;
570 }
571
572 static SMB_ACL_T gpfsacl_get_posix_acl(const char *path, gpfs_aclType_t type)
573 {
574 struct gpfs_acl *pacl;
575 SMB_ACL_T result = NULL;
576
577 pacl = gpfs_getacl_alloc(path, type);
578
579 if (pacl == NULL) {
580 DEBUG(10, ("gpfs_getacl failed for %s with %s\n",
581 path, strerror(errno)));
582 if (errno == 0) {
583 errno = EINVAL;
584 }
585 goto done;
586 }
587
588 if (pacl->acl_version != GPFS_ACL_VERSION_POSIX) {
589 DEBUG(10, ("Got acl version %d, expected %d\n",
590 pacl->acl_version, GPFS_ACL_VERSION_POSIX));
591 errno = EINVAL;
592 goto done;
593 }
594
595 DEBUG(10, ("len: %d, level: %d, version: %d, nace: %d\n",
596 pacl->acl_len, pacl->acl_level, pacl->acl_version,
597 pacl->acl_nace));
598
599 result = gpfs2smb_acl(pacl);
600 if (result == NULL) {
601 goto done;
602 }
603
604 done:
605
606 if (errno != 0) {
607 SAFE_FREE(result);
608 }
609 return result;
610 }
611
612 static SMB_ACL_T gpfsacl_sys_acl_get_file(vfs_handle_struct *handle,
613 const char *path_p,
614 SMB_ACL_TYPE_T type)
615 {
616 gpfs_aclType_t gpfs_type;
617
618 switch(type) {
619 case SMB_ACL_TYPE_ACCESS:
620 gpfs_type = GPFS_ACL_TYPE_ACCESS;
621 break;
622 case SMB_ACL_TYPE_DEFAULT:
623 gpfs_type = GPFS_ACL_TYPE_DEFAULT;
624 break;
625 default:
626 DEBUG(0, ("Got invalid type: %d\n", type));
627 smb_panic("exiting");
628 }
629
630 return gpfsacl_get_posix_acl(path_p, gpfs_type);
631 }
632
633 static SMB_ACL_T gpfsacl_sys_acl_get_fd(vfs_handle_struct *handle,
634 files_struct *fsp)
635 {
636 return gpfsacl_get_posix_acl(fsp->fsp_name->base_name,
637 GPFS_ACL_TYPE_ACCESS);
638 }
639
640 static struct gpfs_acl *smb2gpfs_acl(const SMB_ACL_T pacl,
641 SMB_ACL_TYPE_T type)
642 {
643 gpfs_aclLen_t len;
644 struct gpfs_acl *result;
645 int i;
646 union gpfs_ace_union
647 {
648 gpfs_ace_v1_t ace_v1[1]; /* when GPFS_ACL_VERSION_POSIX */
649 gpfs_ace_v4_t ace_v4[1]; /* when GPFS_ACL_VERSION_NFS4 */
650 };
651
652 DEBUG(10, ("smb2gpfs_acl: Got ACL with %d entries\n", pacl->count));
653
654 len = sizeof(struct gpfs_acl) - sizeof(union gpfs_ace_union) +
655 (pacl->count)*sizeof(gpfs_ace_v1_t);
656
657 result = (struct gpfs_acl *)SMB_MALLOC(len);
658 if (result == NULL) {
659 errno = ENOMEM;
660 return result;
661 }
662
663 result->acl_len = len;
664 result->acl_level = 0;
665 result->acl_version = GPFS_ACL_VERSION_POSIX;
666 result->acl_type = (type == SMB_ACL_TYPE_DEFAULT) ?
667 GPFS_ACL_TYPE_DEFAULT : GPFS_ACL_TYPE_ACCESS;
668 result->acl_nace = pacl->count;
669
670 for (i=0; i<pacl->count; i++) {
671 const struct smb_acl_entry *ace = &pacl->acl[i];
672 struct gpfs_ace_v1 *g_ace = &result->ace_v1[i];
673
674 DEBUG(10, ("Converting type %d perm %x\n",
675 (int)ace->a_type, (int)ace->a_perm));
676
677 g_ace->ace_perm = 0;
678
679 switch(ace->a_type) {
680 case SMB_ACL_USER:
681 g_ace->ace_type = GPFS_ACL_USER;
682 g_ace->ace_who = (gpfs_uid_t)ace->uid;
683 break;
684 case SMB_ACL_USER_OBJ:
685 g_ace->ace_type = GPFS_ACL_USER_OBJ;
686 g_ace->ace_perm |= ACL_PERM_CONTROL;
687 g_ace->ace_who = 0;
688 break;
689 case SMB_ACL_GROUP:
690 g_ace->ace_type = GPFS_ACL_GROUP;
691 g_ace->ace_who = (gpfs_uid_t)ace->gid;
692 break;
693 case SMB_ACL_GROUP_OBJ:
694 g_ace->ace_type = GPFS_ACL_GROUP_OBJ;
695 g_ace->ace_who = 0;
696 break;
697 case SMB_ACL_MASK:
698 g_ace->ace_type = GPFS_ACL_MASK;
699 g_ace->ace_perm = 0x8f;
700 g_ace->ace_who = 0;
701 break;
702 case SMB_ACL_OTHER:
703 g_ace->ace_type = GPFS_ACL_OTHER;
704 g_ace->ace_who = 0;
705 break;
706 default:
707 DEBUG(10, ("Got invalid ace_type: %d\n", ace->a_type));
708 errno = EINVAL;
709 SAFE_FREE(result);
710 return NULL;
711 }
712
713 g_ace->ace_perm |= (ace->a_perm & SMB_ACL_READ) ?
714 ACL_PERM_READ : 0;
715 g_ace->ace_perm |= (ace->a_perm & SMB_ACL_WRITE) ?
716 ACL_PERM_WRITE : 0;
717 g_ace->ace_perm |= (ace->a_perm & SMB_ACL_EXECUTE) ?
718 ACL_PERM_EXECUTE : 0;
719
720 DEBUGADD(10, ("Converted to %d id %d perm %x\n",
721 g_ace->ace_type, g_ace->ace_who, g_ace->ace_perm));
722 }
723
724 return result;
725 }
726
727 static int gpfsacl_sys_acl_set_file(vfs_handle_struct *handle,
728 const char *name,
729 SMB_ACL_TYPE_T type,
730 SMB_ACL_T theacl)
731 {
732 struct gpfs_acl *gpfs_acl;
733 int result;
734
735 gpfs_acl = smb2gpfs_acl(theacl, type);
736 if (gpfs_acl == NULL) {
737 return -1;
738 }
739
740 result = smbd_gpfs_putacl((char *)name, GPFS_PUTACL_STRUCT | GPFS_ACL_SAMBA, gpfs_acl);
741
742 SAFE_FREE(gpfs_acl);
743 return result;
744 }
745
746 static int gpfsacl_sys_acl_set_fd(vfs_handle_struct *handle,
747 files_struct *fsp,
748 SMB_ACL_T theacl)
749 {
750 return gpfsacl_sys_acl_set_file(handle, fsp->fsp_name->base_name,
751 SMB_ACL_TYPE_ACCESS, theacl);
752 }
753
754 static int gpfsacl_sys_acl_delete_def_file(vfs_handle_struct *handle,
755 const char *path)
756 {
757 errno = ENOTSUP;
758 return -1;
759 }
760
761 /*
762 * Assumed: mode bits are shiftable and standard
763 * Output: the new aceMask field for an smb nfs4 ace
764 */
765 static uint32 gpfsacl_mask_filter(uint32 aceType, uint32 aceMask, uint32 rwx)
766 {
767 const uint32 posix_nfs4map[3] = {
768 SMB_ACE4_EXECUTE, /* execute */
769 SMB_ACE4_WRITE_DATA | SMB_ACE4_APPEND_DATA, /* write; GPFS specific */
770 SMB_ACE4_READ_DATA /* read */
771 };
772 int i;
773 uint32_t posix_mask = 0x01;
774 uint32_t posix_bit;
775 uint32_t nfs4_bits;
776
777 for(i=0; i<3; i++) {
778 nfs4_bits = posix_nfs4map[i];
779 posix_bit = rwx & posix_mask;
780
781 if (aceType==SMB_ACE4_ACCESS_ALLOWED_ACE_TYPE) {
782 if (posix_bit)
783 aceMask |= nfs4_bits;
784 else
785 aceMask &= ~nfs4_bits;
786 } else {
787 /* add deny bits when suitable */
788 if (!posix_bit)
789 aceMask |= nfs4_bits;
790 else
791 aceMask &= ~nfs4_bits;
792 } /* other ace types are unexpected */
793
794 posix_mask <<= 1;
795 }
796
797 return aceMask;
798 }
799
800 static int gpfsacl_emu_chmod(const char *path, mode_t mode)
801 {
802 SMB4ACL_T *pacl = NULL;
803 int result;
804 bool haveAllowEntry[SMB_ACE4_WHO_EVERYONE + 1] = {False, False, False, False};
805 int i;
806 files_struct fake_fsp; /* TODO: rationalize parametrization */
807 SMB4ACE_T *smbace;
808 NTSTATUS status;
809
810 DEBUG(10, ("gpfsacl_emu_chmod invoked for %s mode %o\n", path, mode));
811
812 result = gpfs_get_nfs4_acl(path, &pacl);
813 if (result)
814 return result;
815
816 if (mode & ~(S_IRWXU | S_IRWXG | S_IRWXO)) {
817 DEBUG(2, ("WARNING: cutting extra mode bits %o on %s\n", mode, path));
818 }
819
820 for (smbace=smb_first_ace4(pacl); smbace!=NULL; smbace = smb_next_ace4(smbace)) {
821 SMB_ACE4PROP_T *ace = smb_get_ace4(smbace);
822 uint32_t specid = ace->who.special_id;
823
824 if (ace->flags&SMB_ACE4_ID_SPECIAL &&
825 ace->aceType<=SMB_ACE4_ACCESS_DENIED_ACE_TYPE &&
826 specid <= SMB_ACE4_WHO_EVERYONE) {
827
828 uint32_t newMask;
829
830 if (ace->aceType==SMB_ACE4_ACCESS_ALLOWED_ACE_TYPE)
831 haveAllowEntry[specid] = True;
832
833 /* mode >> 6 for @owner, mode >> 3 for @group,
834 * mode >> 0 for @everyone */
835 newMask = gpfsacl_mask_filter(ace->aceType, ace->aceMask,
836 mode >> ((SMB_ACE4_WHO_EVERYONE - specid) * 3));
837 if (ace->aceMask!=newMask) {
838 DEBUG(10, ("ace changed for %s (%o -> %o) id=%d\n",
839 path, ace->aceMask, newMask, specid));
840 }
841 ace->aceMask = newMask;
842 }
843 }
844
845 /* make sure we have at least ALLOW entries
846 * for all the 3 special ids (@EVERYONE, @OWNER, @GROUP)
847 * - if necessary
848 */
849 for(i = SMB_ACE4_WHO_OWNER; i<=SMB_ACE4_WHO_EVERYONE; i++) {
850 SMB_ACE4PROP_T ace;
851
852 if (haveAllowEntry[i]==True)
853 continue;
854
855 ZERO_STRUCT(ace);
856 ace.aceType = SMB_ACE4_ACCESS_ALLOWED_ACE_TYPE;
857 ace.flags |= SMB_ACE4_ID_SPECIAL;
858 ace.who.special_id = i;
859
860 if (i==SMB_ACE4_WHO_GROUP) /* not sure it's necessary... */
861 ace.aceFlags |= SMB_ACE4_IDENTIFIER_GROUP;
862
863 ace.aceMask = gpfsacl_mask_filter(ace.aceType, ace.aceMask,
864 mode >> ((SMB_ACE4_WHO_EVERYONE - i) * 3));
865
866 /* don't add unnecessary aces */
867 if (!ace.aceMask)
868 continue;
869
870 /* we add it to the END - as windows expects allow aces */
871 smb_add_ace4(pacl, &ace);
872 DEBUG(10, ("Added ALLOW ace for %s, mode=%o, id=%d, aceMask=%x\n",
873 path, mode, i, ace.aceMask));
874 }
875
876 /* don't add complementary DENY ACEs here */
877 ZERO_STRUCT(fake_fsp);
878 status = create_synthetic_smb_fname(talloc_tos(), path, NULL, NULL,
879 &fake_fsp.fsp_name);
880 if (!NT_STATUS_IS_OK(status)) {
881 errno = map_errno_from_nt_status(status);
882 return -1;
883 }
884 /* put the acl */
885 if (gpfsacl_process_smbacl(&fake_fsp, pacl) == False) {
886 TALLOC_FREE(fake_fsp.fsp_name);
887 return -1;
888 }
889
890 TALLOC_FREE(fake_fsp.fsp_name);
891 return 0; /* ok for [f]chmod */
892 }
893
894 static int vfs_gpfs_chmod(vfs_handle_struct *handle, const char *path, mode_t mode)
895 {
896 struct smb_filename *smb_fname_cpath;
897 int rc;
898 NTSTATUS status;
899
900 status = create_synthetic_smb_fname(
901 talloc_tos(), path, NULL, NULL, &smb_fname_cpath);
902
903 if (SMB_VFS_NEXT_STAT(handle, smb_fname_cpath) != 0) {
904 return -1;
905 }
906
907 /* avoid chmod() if possible, to preserve acls */
908 if ((smb_fname_cpath->st.st_ex_mode & ~S_IFMT) == mode) {
909 return 0;
910 }
911
912 rc = gpfsacl_emu_chmod(path, mode);
913 if (rc == 1)
914 return SMB_VFS_NEXT_CHMOD(handle, path, mode);
915 return rc;
916 }
917
918 static int vfs_gpfs_fchmod(vfs_handle_struct *handle, files_struct *fsp, mode_t mode)
919 {
920 SMB_STRUCT_STAT st;
921 int rc;
922
923 if (SMB_VFS_NEXT_FSTAT(handle, fsp, &st) != 0) {
924 return -1;
925 }
926
927 /* avoid chmod() if possible, to preserve acls */
928 if ((st.st_ex_mode & ~S_IFMT) == mode) {
929 return 0;
930 }
931
932 rc = gpfsacl_emu_chmod(fsp->fsp_name->base_name, mode);
933 if (rc == 1)
934 return SMB_VFS_NEXT_FCHMOD(handle, fsp, mode);
935 return rc;
936 }
937
938 static int gpfs_set_xattr(struct vfs_handle_struct *handle, const char *path,
939 const char *name, const void *value, size_t size, int flags){
940 struct xattr_DOSATTRIB dosattrib;
941 enum ndr_err_code ndr_err;
942 DATA_BLOB blob;
943 const char *attrstr = value;
944 unsigned int dosmode=0;
945 struct gpfs_winattr attrs;
946 int ret = 0;
947
948 DEBUG(10, ("gpfs_set_xattr: %s \n",path));
949
950 /* Only handle DOS Attributes */
951 if (strcmp(name,SAMBA_XATTR_DOS_ATTRIB) != 0){
952 DEBUG(1, ("gpfs_set_xattr:name is %s\n",name));
953 return SMB_VFS_NEXT_SETXATTR(handle,path,name,value,size,flags);
954 }
955
956 blob.data = (uint8_t *)attrstr;
957 blob.length = size;
958
959 ndr_err = ndr_pull_struct_blob(&blob, talloc_tos(), &dosattrib,
960 (ndr_pull_flags_fn_t)ndr_pull_xattr_DOSATTRIB);
961
962 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
963 DEBUG(1, ("gpfs_set_xattr: bad ndr decode "
964 "from EA on file %s: Error = %s\n",
965 path, ndr_errstr(ndr_err)));
966 return false;
967 }
968
969 if (dosattrib.version != 3) {
970 DEBUG(1, ("gpfs_set_xattr: expected dosattrib version 3, got "
971 "%d\n", (int)dosattrib.version));
972 return false;
973 }
974 if (!(dosattrib.info.info3.valid_flags & XATTR_DOSINFO_ATTRIB)) {
975 DEBUG(10, ("gpfs_set_xattr: XATTR_DOSINFO_ATTRIB not "
976 "valid, ignoring\n"));
977 return true;
978 }
979
980 dosmode = dosattrib.info.info3.attrib;
981
982 attrs.winAttrs = 0;
983 /*Just map RD_ONLY, ARCHIVE, SYSTEM HIDDEN and SPARSE. Ignore the others*/
984 if (dosmode & FILE_ATTRIBUTE_ARCHIVE){
985 attrs.winAttrs |= GPFS_WINATTR_ARCHIVE;
986 }
987 if (dosmode & FILE_ATTRIBUTE_HIDDEN){
988 attrs.winAttrs |= GPFS_WINATTR_HIDDEN;
989 }
990 if (dosmode & FILE_ATTRIBUTE_SYSTEM){
991 attrs.winAttrs |= GPFS_WINATTR_SYSTEM;
992 }
993 if (dosmode & FILE_ATTRIBUTE_READONLY){
994 attrs.winAttrs |= GPFS_WINATTR_READONLY;
995 }
996 if (dosmode & FILE_ATTRIBUTE_SPARSE) {
997 attrs.winAttrs |= GPFS_WINATTR_SPARSE_FILE;
998 }
999
1000
1001 ret = set_gpfs_winattrs(CONST_DISCARD(char *, path),
1002 GPFS_WINATTR_SET_ATTRS, &attrs);
1003 if ( ret == -1){
1004 if (errno == ENOSYS) {
1005 return SMB_VFS_NEXT_SETXATTR(handle, path, name, value,
1006 size, flags);
1007 }
1008
1009 DEBUG(1, ("gpfs_set_xattr:Set GPFS attributes failed %d\n",ret));
1010 return -1;
1011 }
1012
1013 DEBUG(10, ("gpfs_set_xattr:Set attributes: 0x%x\n",attrs.winAttrs));
1014 return 0;
1015 }
1016
1017 static ssize_t gpfs_get_xattr(struct vfs_handle_struct *handle, const char *path,
1018 const char *name, void *value, size_t size){
1019 char *attrstr = value;
1020 unsigned int dosmode = 0;
1021 struct gpfs_winattr attrs;
1022 int ret = 0;
1023
1024 DEBUG(10, ("gpfs_get_xattr: %s \n",path));
1025
1026 /* Only handle DOS Attributes */
1027 if (strcmp(name,SAMBA_XATTR_DOS_ATTRIB) != 0){
1028 DEBUG(1, ("gpfs_get_xattr:name is %s\n",name));
1029 return SMB_VFS_NEXT_GETXATTR(handle,path,name,value,size);
1030 }
1031
1032 ret = get_gpfs_winattrs(CONST_DISCARD(char *, path), &attrs);
1033 if ( ret == -1){
1034 if (errno == ENOSYS) {
1035 return SMB_VFS_NEXT_GETXATTR(handle, path, name, value,
1036 size);
1037 }
1038
1039 DEBUG(1, ("gpfs_get_xattr: Get GPFS attributes failed: "
1040 "%d (%s)\n", ret, strerror(errno)));
1041 return -1;
1042 }
1043
1044 DEBUG(10, ("gpfs_get_xattr:Got attributes: 0x%x\n",attrs.winAttrs));
1045
1046 /*Just map RD_ONLY, ARCHIVE, SYSTEM, HIDDEN and SPARSE. Ignore the others*/
1047 if (attrs.winAttrs & GPFS_WINATTR_ARCHIVE){
1048 dosmode |= FILE_ATTRIBUTE_ARCHIVE;
1049 }
1050 if (attrs.winAttrs & GPFS_WINATTR_HIDDEN){
1051 dosmode |= FILE_ATTRIBUTE_HIDDEN;
1052 }
1053 if (attrs.winAttrs & GPFS_WINATTR_SYSTEM){
1054 dosmode |= FILE_ATTRIBUTE_SYSTEM;
1055 }
1056 if (attrs.winAttrs & GPFS_WINATTR_READONLY){
1057 dosmode |= FILE_ATTRIBUTE_READONLY;
1058 }
1059 if (attrs.winAttrs & GPFS_WINATTR_SPARSE_FILE) {
1060 dosmode |= FILE_ATTRIBUTE_SPARSE;
1061 }
1062
1063 snprintf(attrstr, size, "0x%2.2x",
1064 (unsigned int)(dosmode & SAMBA_ATTRIBUTES_MASK));
1065 DEBUG(10, ("gpfs_get_xattr: returning %s\n",attrstr));
1066 return 4;
1067 }
1068
1069 static int vfs_gpfs_stat(struct vfs_handle_struct *handle,
1070 struct smb_filename *smb_fname)
1071 {
1072 struct gpfs_winattr attrs;
1073 char *fname = NULL;
1074 NTSTATUS status;
1075 int ret;
1076
1077 ret = SMB_VFS_NEXT_STAT(handle, smb_fname);
1078 if (ret == -1) {
1079 return -1;
1080 }
1081 status = get_full_smb_filename(talloc_tos(), smb_fname, &fname);
1082 if (!NT_STATUS_IS_OK(status)) {
1083 errno = map_errno_from_nt_status(status);
1084 return -1;
1085 }
1086 ret = get_gpfs_winattrs(CONST_DISCARD(char *, fname), &attrs);
1087 TALLOC_FREE(fname);
1088 if (ret == 0) {
1089 smb_fname->st.st_ex_btime.tv_sec = attrs.creationTime.tv_sec;
1090 smb_fname->st.st_ex_btime.tv_nsec = attrs.creationTime.tv_nsec;
1091 smb_fname->st.vfs_private = attrs.winAttrs;
1092 }
1093 return 0;
1094 }
1095
1096 static int vfs_gpfs_fstat(struct vfs_handle_struct *handle,
1097 struct files_struct *fsp, SMB_STRUCT_STAT *sbuf)
1098 {
1099 struct gpfs_winattr attrs;
1100 int ret;
1101
1102 ret = SMB_VFS_NEXT_FSTAT(handle, fsp, sbuf);
1103 if (ret == -1) {
1104 return -1;
1105 }
1106 if ((fsp->fh == NULL) || (fsp->fh->fd == -1)) {
1107 return 0;
1108 }
1109 ret = smbd_fget_gpfs_winattrs(fsp->fh->fd, &attrs);
1110 if (ret == 0) {
1111 sbuf->st_ex_btime.tv_sec = attrs.creationTime.tv_sec;
1112 sbuf->st_ex_btime.tv_nsec = attrs.creationTime.tv_nsec;
1113 }
1114 return 0;
1115 }
1116
1117 static int vfs_gpfs_lstat(struct vfs_handle_struct *handle,
1118 struct smb_filename *smb_fname)
1119 {
1120 struct gpfs_winattr attrs;
1121 char *path = NULL;
1122 NTSTATUS status;
1123 int ret;
1124
1125 ret = SMB_VFS_NEXT_LSTAT(handle, smb_fname);
1126 if (ret == -1) {
1127 return -1;
1128 }
1129 status = get_full_smb_filename(talloc_tos(), smb_fname, &path);
1130 if (!NT_STATUS_IS_OK(status)) {
1131 errno = map_errno_from_nt_status(status);
1132 return -1;
1133 }
1134 ret = get_gpfs_winattrs(CONST_DISCARD(char *, path), &attrs);
1135 TALLOC_FREE(path);
1136 if (ret == 0) {
1137 smb_fname->st.st_ex_btime.tv_sec = attrs.creationTime.tv_sec;
1138 smb_fname->st.st_ex_btime.tv_nsec = attrs.creationTime.tv_nsec;
1139 smb_fname->st.vfs_private = attrs.winAttrs;
1140 }
1141 return 0;
1142 }
1143
1144 static int vfs_gpfs_ntimes(struct vfs_handle_struct *handle,
1145 const struct smb_filename *smb_fname,
1146 struct smb_file_time *ft)
1147 {
1148
1149 struct gpfs_winattr attrs;
1150 int ret;
1151 char *path = NULL;
1152 NTSTATUS status;
1153
1154 ret = SMB_VFS_NEXT_NTIMES(handle, smb_fname, ft);
1155 if(ret == -1){
1156 DEBUG(1,("vfs_gpfs_ntimes: SMB_VFS_NEXT_NTIMES failed\n"));
1157 return -1;
1158 }
1159
1160 if(null_timespec(ft->create_time)){
1161 DEBUG(10,("vfs_gpfs_ntimes:Create Time is NULL\n"));
1162 return 0;
1163 }
1164
1165 status = get_full_smb_filename(talloc_tos(), smb_fname, &path);
1166 if (!NT_STATUS_IS_OK(status)) {
1167 errno = map_errno_from_nt_status(status);
1168 return -1;
1169 }
1170
1171 attrs.winAttrs = 0;
1172 attrs.creationTime.tv_sec = ft->create_time.tv_sec;
1173 attrs.creationTime.tv_nsec = ft->create_time.tv_nsec;
1174
1175 ret = set_gpfs_winattrs(CONST_DISCARD(char *, path),
1176 GPFS_WINATTR_SET_CREATION_TIME, &attrs);
1177 if(ret == -1 && errno != ENOSYS){
1178 DEBUG(1,("vfs_gpfs_ntimes: set GPFS ntimes failed %d\n",ret));
1179 return -1;
1180 }
1181 return 0;
1182
1183 }
1184
1185 static int vfs_gpfs_ftruncate(vfs_handle_struct *handle, files_struct *fsp,
1186 SMB_OFF_T len)
1187 {
1188 int result;
1189
1190 result = smbd_gpfs_ftruncate(fsp->fh->fd, len);
1191 if ((result == -1) && (errno == ENOSYS)) {
1192 return SMB_VFS_NEXT_FTRUNCATE(handle, fsp, len);
1193 }
1194 return result;
1195 }
1196
1197 static bool vfs_gpfs_is_offline(struct vfs_handle_struct *handle,
1198 const struct smb_filename *fname,
1199 SMB_STRUCT_STAT *sbuf)
1200 {
1201 struct gpfs_winattr attrs;
1202 char *path = NULL;
1203 NTSTATUS status;
1204
1205 status = get_full_smb_filename(talloc_tos(), fname, &path);
1206 if (!NT_STATUS_IS_OK(status)) {
1207 errno = map_errno_from_nt_status(status);
1208 return -1;
1209 }
1210
1211 if (VALID_STAT(*sbuf)) {
1212 attrs.winAttrs = sbuf->vfs_private;
1213 } else {
1214 int ret;
1215 ret = get_gpfs_winattrs(path, &attrs);
1216
1217 if (ret == -1) {
1218 TALLOC_FREE(path);
1219 return false;
1220 }
1221 }
1222 if ((attrs.winAttrs & GPFS_WINATTR_OFFLINE) != 0) {
1223 DEBUG(10, ("%s is offline\n", path));
1224 TALLOC_FREE(path);
1225 return true;
1226 }
1227 DEBUG(10, ("%s is online\n", path));
1228 TALLOC_FREE(path);
1229 return SMB_VFS_NEXT_IS_OFFLINE(handle, fname, sbuf);
1230 }
1231
1232 static bool vfs_gpfs_aio_force(struct vfs_handle_struct *handle,
1233 struct files_struct *fsp)
1234 {
1235 return vfs_gpfs_is_offline(handle, fsp->fsp_name, &fsp->fsp_name->st);
1236 }
1237
1238 int vfs_gpfs_connect(struct vfs_handle_struct *handle, const char *service,
1239 const char *user)
1240 {
1241 struct gpfs_config_data *config;
1242
1243 smbd_gpfs_lib_init();
1244
1245 int ret = SMB_VFS_NEXT_CONNECT(handle, service, user);
1246
1247 if (ret < 0) {
1248 return ret;
1249 }
1250
1251 config = talloc_zero(handle->conn, struct gpfs_config_data);
1252 if (!config) {
1253 SMB_VFS_NEXT_DISCONNECT(handle);
1254 DEBUG(0, ("talloc_zero() failed\n")); return -1;
1255 }
1256
1257 config->sharemodes = lp_parm_bool(SNUM(handle->conn), "gpfs",
1258 "sharemodes", true);
1259
1260 config->leases = lp_parm_bool(SNUM(handle->conn), "gpfs",
1261 "leases", true);
1262
1263 config->hsm = lp_parm_bool(SNUM(handle->conn), "gpfs",
1264 "hsm", false);
1265
1266 SMB_VFS_HANDLE_SET_DATA(handle, config,
1267 NULL, struct gpfs_config_data,
1268 return -1);
1269
1270 return 0;
1271 }
1272
1273 static uint32_t vfs_gpfs_capabilities(struct vfs_handle_struct *handle,
1274 enum timestamp_set_resolution *p_ts_res)
1275 {
1276 struct gpfs_config_data *config;
1277 uint32_t next;
1278
1279 next = SMB_VFS_NEXT_FS_CAPABILITIES(handle, p_ts_res);
1280
1281 SMB_VFS_HANDLE_GET_DATA(handle, config,
1282 struct gpfs_config_data,
1283 return next);
1284
1285 if (config->hsm) {
1286 next |= FILE_SUPPORTS_REMOTE_STORAGE;
1287 }
1288 return next;
1289 }
1290
1291
1292 static struct vfs_fn_pointers vfs_gpfs_fns = {
1293 .connect_fn = vfs_gpfs_connect,
1294 .fs_capabilities = vfs_gpfs_capabilities,
1295 .kernel_flock = vfs_gpfs_kernel_flock,
1296 .linux_setlease = vfs_gpfs_setlease,
1297 .get_real_filename = vfs_gpfs_get_real_filename,
1298 .fget_nt_acl = gpfsacl_fget_nt_acl,
1299 .get_nt_acl = gpfsacl_get_nt_acl,
1300 .fset_nt_acl = gpfsacl_fset_nt_acl,
1301 .sys_acl_get_file = gpfsacl_sys_acl_get_file,
1302 .sys_acl_get_fd = gpfsacl_sys_acl_get_fd,
1303 .sys_acl_set_file = gpfsacl_sys_acl_set_file,
1304 .sys_acl_set_fd = gpfsacl_sys_acl_set_fd,
1305 .sys_acl_delete_def_file = gpfsacl_sys_acl_delete_def_file,
1306 .chmod = vfs_gpfs_chmod,
1307 .fchmod = vfs_gpfs_fchmod,
1308 .close_fn = vfs_gpfs_close,
1309 .setxattr = gpfs_set_xattr,
1310 .getxattr = gpfs_get_xattr,
1311 .stat = vfs_gpfs_stat,
1312 .fstat = vfs_gpfs_fstat,
1313 .lstat = vfs_gpfs_lstat,
1314 .ntimes = vfs_gpfs_ntimes,
1315 .is_offline = vfs_gpfs_is_offline,
1316 .aio_force = vfs_gpfs_aio_force,
1317 .ftruncate = vfs_gpfs_ftruncate
1318 };
1319
1320 NTSTATUS vfs_gpfs_init(void);
1321 NTSTATUS vfs_gpfs_init(void)
1322 {
1323 init_gpfs();
1324
1325 return smb_register_vfs(SMB_VFS_INTERFACE_VERSION, "gpfs",
1326 &vfs_gpfs_fns);
1327 }
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