source: trunk/server/source3/modules/vfs_gpfs.c

Last change on this file was 862, checked in by Silvan Scherrer, 11 years ago

Samba Server: update trunk to 3.6.23
File size: 35.1 KB
Line 
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
37struct gpfs_config_data {
38 bool sharemodes;
39 bool leases;
40 bool hsm;
41};
42
43
44static int vfs_gpfs_kernel_flock(vfs_handle_struct *handle, files_struct *fsp,
45 uint32 share_mode, uint32 access_mask)
46{
47
48 struct gpfs_config_data *config;
49
50 SMB_VFS_HANDLE_GET_DATA(handle, config,
51 struct gpfs_config_data,
52 return -1);
53
54 START_PROFILE(syscall_kernel_flock);
55
56 kernel_flock(fsp->fh->fd, share_mode, access_mask);
57
58 if (config->sharemodes
59 && !set_gpfs_sharemode(fsp, access_mask, fsp->share_access)) {
60 return -1;
61 }
62
63 END_PROFILE(syscall_kernel_flock);
64
65 return 0;
66}
67
68static int vfs_gpfs_close(vfs_handle_struct *handle, files_struct *fsp)
69{
70
71 struct gpfs_config_data *config;
72
73 SMB_VFS_HANDLE_GET_DATA(handle, config,
74 struct gpfs_config_data,
75 return -1);
76
77 if (config->sharemodes && (fsp->fh != NULL) && (fsp->fh->fd != -1)) {
78 set_gpfs_sharemode(fsp, 0, 0);
79 }
80
81 return SMB_VFS_NEXT_CLOSE(handle, fsp);
82}
83
84static int vfs_gpfs_setlease(vfs_handle_struct *handle, files_struct *fsp,
85 int leasetype)
86{
87 struct gpfs_config_data *config;
88 int ret=0;
89
90 SMB_VFS_HANDLE_GET_DATA(handle, config,
91 struct gpfs_config_data,
92 return -1);
93
94 START_PROFILE(syscall_linux_setlease);
95
96 if (linux_set_lease_sighandler(fsp->fh->fd) == -1)
97 return -1;
98
99 if (config->leases) {
100 /*
101 * Ensure the lease owner is root to allow
102 * correct delivery of lease-break signals.
103 */
104 become_root();
105 ret = set_gpfs_lease(fsp->fh->fd,leasetype);
106 unbecome_root();
107 }
108
109 if (ret < 0) {
110 /* This must have come from GPFS not being available */
111 /* or some other error, hence call the default */
112 ret = linux_setlease(fsp->fh->fd, leasetype);
113 }
114
115 END_PROFILE(syscall_linux_setlease);
116
117 return ret;
118}
119
120static int vfs_gpfs_get_real_filename(struct vfs_handle_struct *handle,
121 const char *path,
122 const char *name,
123 TALLOC_CTX *mem_ctx,
124 char **found_name)
125{
126 int result;
127 char *full_path;
128 char real_pathname[PATH_MAX+1];
129 int buflen;
130 bool mangled;
131
132 mangled = mangle_is_mangled(name, handle->conn->params);
133 if (mangled) {
134 return SMB_VFS_NEXT_GET_REAL_FILENAME(handle, path, name,
135 mem_ctx, found_name);
136 }
137
138 full_path = talloc_asprintf(talloc_tos(), "%s/%s", path, name);
139 if (full_path == NULL) {
140 errno = ENOMEM;
141 return -1;
142 }
143
144 buflen = sizeof(real_pathname) - 1;
145
146 result = smbd_gpfs_get_realfilename_path(full_path, real_pathname,
147 &buflen);
148
149 TALLOC_FREE(full_path);
150
151 if ((result == -1) && (errno == ENOSYS)) {
152 return SMB_VFS_NEXT_GET_REAL_FILENAME(
153 handle, path, name, mem_ctx, found_name);
154 }
155
156 if (result == -1) {
157 DEBUG(10, ("smbd_gpfs_get_realfilename_path returned %s\n",
158 strerror(errno)));
159 return -1;
160 }
161
162 /*
163 * GPFS does not necessarily null-terminate the returned path
164 * but instead returns the buffer length in buflen.
165 */
166
167 if (buflen < sizeof(real_pathname)) {
168 real_pathname[buflen] = '\0';
169 } else {
170 real_pathname[sizeof(real_pathname)-1] = '\0';
171 }
172
173 DEBUG(10, ("smbd_gpfs_get_realfilename_path: %s/%s -> %s\n",
174 path, name, real_pathname));
175
176 name = strrchr_m(real_pathname, '/');
177 if (name == NULL) {
178 errno = ENOENT;
179 return -1;
180 }
181
182 *found_name = talloc_strdup(mem_ctx, name+1);
183 if (*found_name == NULL) {
184 errno = ENOMEM;
185 return -1;
186 }
187
188 return 0;
189}
190
191static void gpfs_dumpacl(int level, struct gpfs_acl *gacl)
192{
193 int i;
194 if (gacl==NULL)
195 {
196 DEBUG(0, ("gpfs acl is NULL\n"));
197 return;
198 }
199
200 DEBUG(level, ("gpfs acl: nace: %d, type:%d, version:%d, level:%d, len:%d\n",
201 gacl->acl_nace, gacl->acl_type, gacl->acl_version, gacl->acl_level, gacl->acl_len));
202 for(i=0; i<gacl->acl_nace; i++)
203 {
204 struct gpfs_ace_v4 *gace = gacl->ace_v4 + i;
205 DEBUG(level, ("\tace[%d]: type:%d, flags:0x%x, mask:0x%x, iflags:0x%x, who:%u\n",
206 i, gace->aceType, gace->aceFlags, gace->aceMask,
207 gace->aceIFlags, gace->aceWho));
208 }
209}
210
211static struct gpfs_acl *gpfs_getacl_alloc(const char *fname, gpfs_aclType_t type)
212{
213 struct gpfs_acl *acl;
214 size_t len = 200;
215 int ret;
216 TALLOC_CTX *mem_ctx = talloc_tos();
217
218 acl = (struct gpfs_acl *)TALLOC_SIZE(mem_ctx, len);
219 if (acl == NULL) {
220 errno = ENOMEM;
221 return NULL;
222 }
223
224 acl->acl_len = len;
225 acl->acl_level = 0;
226 acl->acl_version = 0;
227 acl->acl_type = type;
228
229 ret = smbd_gpfs_getacl((char *)fname, GPFS_GETACL_STRUCT | GPFS_ACL_SAMBA, acl);
230 if ((ret != 0) && (errno == ENOSPC)) {
231 struct gpfs_acl *new_acl = (struct gpfs_acl *)TALLOC_SIZE(
232 mem_ctx, acl->acl_len + sizeof(struct gpfs_acl));
233 if (new_acl == NULL) {
234 errno = ENOMEM;
235 return NULL;
236 }
237
238 new_acl->acl_len = acl->acl_len;
239 new_acl->acl_level = acl->acl_level;
240 new_acl->acl_version = acl->acl_version;
241 new_acl->acl_type = acl->acl_type;
242 acl = new_acl;
243
244 ret = smbd_gpfs_getacl((char *)fname, GPFS_GETACL_STRUCT | GPFS_ACL_SAMBA, acl);
245 }
246 if (ret != 0)
247 {
248 DEBUG(8, ("smbd_gpfs_getacl failed with %s\n",strerror(errno)));
249 return NULL;
250 }
251
252 return acl;
253}
254
255/* Tries to get nfs4 acls and returns SMB ACL allocated.
256 * On failure returns 1 if it got non-NFSv4 ACL to prompt
257 * retry with POSIX ACL checks.
258 * On failure returns -1 if there is system (GPFS) error, check errno.
259 * Returns 0 on success
260 */
261static int gpfs_get_nfs4_acl(const char *fname, SMB4ACL_T **ppacl)
262{
263 int i;
264 struct gpfs_acl *gacl = NULL;
265 DEBUG(10, ("gpfs_get_nfs4_acl invoked for %s\n", fname));
266
267 /* First get the real acl length */
268 gacl = gpfs_getacl_alloc(fname, 0);
269 if (gacl == NULL) {
270 DEBUG(9, ("gpfs_getacl failed for %s with %s\n",
271 fname, strerror(errno)));
272 return -1;
273 }
274
275 if (gacl->acl_type != GPFS_ACL_TYPE_NFS4) {
276 DEBUG(10, ("Got non-nfsv4 acl\n"));
277 /* Retry with POSIX ACLs check */
278 return 1;
279 }
280
281 *ppacl = smb_create_smb4acl();
282
283 DEBUG(10, ("len: %d, level: %d, version: %d, nace: %d\n",
284 gacl->acl_len, gacl->acl_level, gacl->acl_version,
285 gacl->acl_nace));
286
287 for (i=0; i<gacl->acl_nace; i++) {
288 struct gpfs_ace_v4 *gace = &gacl->ace_v4[i];
289 SMB_ACE4PROP_T smbace;
290 DEBUG(10, ("type: %d, iflags: %x, flags: %x, mask: %x, "
291 "who: %d\n", gace->aceType, gace->aceIFlags,
292 gace->aceFlags, gace->aceMask, gace->aceWho));
293
294 ZERO_STRUCT(smbace);
295 if (gace->aceIFlags & ACE4_IFLAG_SPECIAL_ID) {
296 smbace.flags |= SMB_ACE4_ID_SPECIAL;
297 switch (gace->aceWho) {
298 case ACE4_SPECIAL_OWNER:
299 smbace.who.special_id = SMB_ACE4_WHO_OWNER;
300 break;
301 case ACE4_SPECIAL_GROUP:
302 smbace.who.special_id = SMB_ACE4_WHO_GROUP;
303 break;
304 case ACE4_SPECIAL_EVERYONE:
305 smbace.who.special_id = SMB_ACE4_WHO_EVERYONE;
306 break;
307 default:
308 DEBUG(8, ("invalid special gpfs id %d "
309 "ignored\n", gace->aceWho));
310 continue; /* don't add it */
311 }
312 } else {
313 if (gace->aceFlags & ACE4_FLAG_GROUP_ID)
314 smbace.who.gid = gace->aceWho;
315 else
316 smbace.who.uid = gace->aceWho;
317 }
318
319 /* remove redundent deny entries */
320 if (i > 0 && gace->aceType == SMB_ACE4_ACCESS_DENIED_ACE_TYPE) {
321 struct gpfs_ace_v4 *prev = &gacl->ace_v4[i-1];
322 if (prev->aceType == SMB_ACE4_ACCESS_ALLOWED_ACE_TYPE &&
323 prev->aceFlags == gace->aceFlags &&
324 prev->aceIFlags == gace->aceIFlags &&
325 (gace->aceMask & prev->aceMask) == 0 &&
326 gace->aceWho == prev->aceWho) {
327 /* its redundent - skip it */
328 continue;
329 }
330 }
331
332 smbace.aceType = gace->aceType;
333 smbace.aceFlags = gace->aceFlags;
334 smbace.aceMask = gace->aceMask;
335 smb_add_ace4(*ppacl, &smbace);
336 }
337
338 return 0;
339}
340
341static NTSTATUS gpfsacl_fget_nt_acl(vfs_handle_struct *handle,
342 files_struct *fsp, uint32 security_info,
343 struct security_descriptor **ppdesc)
344{
345 SMB4ACL_T *pacl = NULL;
346 int result;
347
348 *ppdesc = NULL;
349 result = gpfs_get_nfs4_acl(fsp->fsp_name->base_name, &pacl);
350
351 if (result == 0)
352 return smb_fget_nt_acl_nfs4(fsp, security_info, ppdesc, pacl);
353
354 if (result > 0) {
355 DEBUG(10, ("retrying with posix acl...\n"));
356 return posix_fget_nt_acl(fsp, security_info, ppdesc);
357 }
358
359 /* GPFS ACL was not read, something wrong happened, error code is set in errno */
360 return map_nt_error_from_unix(errno);
361}
362
363static NTSTATUS gpfsacl_get_nt_acl(vfs_handle_struct *handle,
364 const char *name,
365 uint32 security_info, struct security_descriptor **ppdesc)
366{
367 SMB4ACL_T *pacl = NULL;
368 int result;
369
370 *ppdesc = NULL;
371 result = gpfs_get_nfs4_acl(name, &pacl);
372
373 if (result == 0)
374 return smb_get_nt_acl_nfs4(handle->conn, name, security_info, ppdesc, pacl);
375
376 if (result > 0) {
377 DEBUG(10, ("retrying with posix acl...\n"));
378 return posix_get_nt_acl(handle->conn, name, security_info, ppdesc);
379 }
380
381 /* GPFS ACL was not read, something wrong happened, error code is set in errno */
382 return map_nt_error_from_unix(errno);
383}
384
385static bool gpfsacl_process_smbacl(files_struct *fsp, SMB4ACL_T *smbacl)
386{
387 int ret;
388 gpfs_aclLen_t gacl_len;
389 SMB4ACE_T *smbace;
390 struct gpfs_acl *gacl;
391 TALLOC_CTX *mem_ctx = talloc_tos();
392
393 gacl_len = sizeof(struct gpfs_acl) +
394 (smb_get_naces(smbacl)-1)*sizeof(gpfs_ace_v4_t);
395
396 gacl = (struct gpfs_acl *)TALLOC_SIZE(mem_ctx, gacl_len);
397 if (gacl == NULL) {
398 DEBUG(0, ("talloc failed\n"));
399 errno = ENOMEM;
400 return False;
401 }
402
403 gacl->acl_len = gacl_len;
404 gacl->acl_level = 0;
405 gacl->acl_version = GPFS_ACL_VERSION_NFS4;
406 gacl->acl_type = GPFS_ACL_TYPE_NFS4;
407 gacl->acl_nace = 0; /* change later... */
408
409 for (smbace=smb_first_ace4(smbacl); smbace!=NULL; smbace = smb_next_ace4(smbace)) {
410 struct gpfs_ace_v4 *gace = &gacl->ace_v4[gacl->acl_nace];
411 SMB_ACE4PROP_T *aceprop = smb_get_ace4(smbace);
412
413 gace->aceType = aceprop->aceType;
414 gace->aceFlags = aceprop->aceFlags;
415 gace->aceMask = aceprop->aceMask;
416
417 /*
418 * GPFS can't distinguish between WRITE and APPEND on
419 * files, so one being set without the other is an
420 * error. Sorry for the many ()'s :-)
421 */
422
423 if (!fsp->is_directory
424 &&
425 ((((gace->aceMask & ACE4_MASK_WRITE) == 0)
426 && ((gace->aceMask & ACE4_MASK_APPEND) != 0))
427 ||
428 (((gace->aceMask & ACE4_MASK_WRITE) != 0)
429 && ((gace->aceMask & ACE4_MASK_APPEND) == 0)))
430 &&
431 lp_parm_bool(fsp->conn->params->service, "gpfs",
432 "merge_writeappend", True)) {
433 DEBUG(2, ("vfs_gpfs.c: file [%s]: ACE contains "
434 "WRITE^APPEND, setting WRITE|APPEND\n",
435 fsp_str_dbg(fsp)));
436 gace->aceMask |= ACE4_MASK_WRITE|ACE4_MASK_APPEND;
437 }
438
439 gace->aceIFlags = (aceprop->flags&SMB_ACE4_ID_SPECIAL) ? ACE4_IFLAG_SPECIAL_ID : 0;
440
441 if (aceprop->flags&SMB_ACE4_ID_SPECIAL)
442 {
443 switch(aceprop->who.special_id)
444 {
445 case SMB_ACE4_WHO_EVERYONE:
446 gace->aceWho = ACE4_SPECIAL_EVERYONE;
447 break;
448 case SMB_ACE4_WHO_OWNER:
449 gace->aceWho = ACE4_SPECIAL_OWNER;
450 break;
451 case SMB_ACE4_WHO_GROUP:
452 gace->aceWho = ACE4_SPECIAL_GROUP;
453 break;
454 default:
455 DEBUG(8, ("unsupported special_id %d\n", aceprop->who.special_id));
456 continue; /* don't add it !!! */
457 }
458 } else {
459 /* just only for the type safety... */
460 if (aceprop->aceFlags&SMB_ACE4_IDENTIFIER_GROUP)
461 gace->aceWho = aceprop->who.gid;
462 else
463 gace->aceWho = aceprop->who.uid;
464 }
465
466 gacl->acl_nace++;
467 }
468
469 ret = smbd_gpfs_putacl(fsp->fsp_name->base_name,
470 GPFS_PUTACL_STRUCT | GPFS_ACL_SAMBA, gacl);
471 if (ret != 0) {
472 DEBUG(8, ("gpfs_putacl failed with %s\n", strerror(errno)));
473 gpfs_dumpacl(8, gacl);
474 return False;
475 }
476
477 DEBUG(10, ("gpfs_putacl succeeded\n"));
478 return True;
479}
480
481static NTSTATUS gpfsacl_set_nt_acl_internal(files_struct *fsp, uint32 security_info_sent, const struct security_descriptor *psd)
482{
483 struct gpfs_acl *acl;
484 NTSTATUS result = NT_STATUS_ACCESS_DENIED;
485
486 acl = gpfs_getacl_alloc(fsp->fsp_name->base_name, 0);
487 if (acl == NULL)
488 return result;
489
490 if (acl->acl_version&GPFS_ACL_VERSION_NFS4)
491 {
492 if (lp_parm_bool(fsp->conn->params->service, "gpfs",
493 "refuse_dacl_protected", false)
494 && (psd->type&SEC_DESC_DACL_PROTECTED)) {
495 DEBUG(2, ("Rejecting unsupported ACL with DACL_PROTECTED bit set\n"));
496 return NT_STATUS_NOT_SUPPORTED;
497 }
498
499 result = smb_set_nt_acl_nfs4(
500 fsp, security_info_sent, psd,
501 gpfsacl_process_smbacl);
502 } else { /* assume POSIX ACL - by default... */
503 result = set_nt_acl(fsp, security_info_sent, psd);
504 }
505
506 return result;
507}
508
509static NTSTATUS gpfsacl_fset_nt_acl(vfs_handle_struct *handle, files_struct *fsp, uint32 security_info_sent, const struct security_descriptor *psd)
510{
511 return gpfsacl_set_nt_acl_internal(fsp, security_info_sent, psd);
512}
513
514static SMB_ACL_T gpfs2smb_acl(const struct gpfs_acl *pacl)
515{
516 SMB_ACL_T result;
517 int i;
518
519 result = sys_acl_init(pacl->acl_nace);
520 if (result == NULL) {
521 errno = ENOMEM;
522 return NULL;
523 }
524
525 result->count = pacl->acl_nace;
526
527 for (i=0; i<pacl->acl_nace; i++) {
528 struct smb_acl_entry *ace = &result->acl[i];
529 const struct gpfs_ace_v1 *g_ace = &pacl->ace_v1[i];
530
531 DEBUG(10, ("Converting type %d id %lu perm %x\n",
532 (int)g_ace->ace_type, (unsigned long)g_ace->ace_who,
533 (int)g_ace->ace_perm));
534
535 switch (g_ace->ace_type) {
536 case GPFS_ACL_USER:
537 ace->a_type = SMB_ACL_USER;
538 ace->uid = (uid_t)g_ace->ace_who;
539 break;
540 case GPFS_ACL_USER_OBJ:
541 ace->a_type = SMB_ACL_USER_OBJ;
542 break;
543 case GPFS_ACL_GROUP:
544 ace->a_type = SMB_ACL_GROUP;
545 ace->gid = (gid_t)g_ace->ace_who;
546 break;
547 case GPFS_ACL_GROUP_OBJ:
548 ace->a_type = SMB_ACL_GROUP_OBJ;
549 break;
550 case GPFS_ACL_OTHER:
551 ace->a_type = SMB_ACL_OTHER;
552 break;
553 case GPFS_ACL_MASK:
554 ace->a_type = SMB_ACL_MASK;
555 break;
556 default:
557 DEBUG(10, ("Got invalid ace_type: %d\n",
558 g_ace->ace_type));
559 errno = EINVAL;
560 SAFE_FREE(result);
561 return NULL;
562 }
563
564 ace->a_perm = 0;
565 ace->a_perm |= (g_ace->ace_perm & ACL_PERM_READ) ?
566 SMB_ACL_READ : 0;
567 ace->a_perm |= (g_ace->ace_perm & ACL_PERM_WRITE) ?
568 SMB_ACL_WRITE : 0;
569 ace->a_perm |= (g_ace->ace_perm & ACL_PERM_EXECUTE) ?
570 SMB_ACL_EXECUTE : 0;
571
572 DEBUGADD(10, ("Converted to %d perm %x\n",
573 ace->a_type, ace->a_perm));
574 }
575
576 return result;
577}
578
579static SMB_ACL_T gpfsacl_get_posix_acl(const char *path, gpfs_aclType_t type)
580{
581 struct gpfs_acl *pacl;
582 SMB_ACL_T result = NULL;
583
584 pacl = gpfs_getacl_alloc(path, type);
585
586 if (pacl == NULL) {
587 DEBUG(10, ("gpfs_getacl failed for %s with %s\n",
588 path, strerror(errno)));
589 if (errno == 0) {
590 errno = EINVAL;
591 }
592 goto done;
593 }
594
595 if (pacl->acl_version != GPFS_ACL_VERSION_POSIX) {
596 DEBUG(10, ("Got acl version %d, expected %d\n",
597 pacl->acl_version, GPFS_ACL_VERSION_POSIX));
598 errno = EINVAL;
599 goto done;
600 }
601
602 DEBUG(10, ("len: %d, level: %d, version: %d, nace: %d\n",
603 pacl->acl_len, pacl->acl_level, pacl->acl_version,
604 pacl->acl_nace));
605
606 result = gpfs2smb_acl(pacl);
607 if (result != NULL) {
608 errno = 0;
609 }
610
611 done:
612
613 if (errno != 0) {
614 SAFE_FREE(result);
615 }
616 return result;
617}
618
619static SMB_ACL_T gpfsacl_sys_acl_get_file(vfs_handle_struct *handle,
620 const char *path_p,
621 SMB_ACL_TYPE_T type)
622{
623 gpfs_aclType_t gpfs_type;
624
625 switch(type) {
626 case SMB_ACL_TYPE_ACCESS:
627 gpfs_type = GPFS_ACL_TYPE_ACCESS;
628 break;
629 case SMB_ACL_TYPE_DEFAULT:
630 gpfs_type = GPFS_ACL_TYPE_DEFAULT;
631 break;
632 default:
633 DEBUG(0, ("Got invalid type: %d\n", type));
634 smb_panic("exiting");
635 }
636
637 return gpfsacl_get_posix_acl(path_p, gpfs_type);
638}
639
640static SMB_ACL_T gpfsacl_sys_acl_get_fd(vfs_handle_struct *handle,
641 files_struct *fsp)
642{
643 return gpfsacl_get_posix_acl(fsp->fsp_name->base_name,
644 GPFS_ACL_TYPE_ACCESS);
645}
646
647static struct gpfs_acl *smb2gpfs_acl(const SMB_ACL_T pacl,
648 SMB_ACL_TYPE_T type)
649{
650 gpfs_aclLen_t len;
651 struct gpfs_acl *result;
652 int i;
653 union gpfs_ace_union
654 {
655 gpfs_ace_v1_t ace_v1[1]; /* when GPFS_ACL_VERSION_POSIX */
656 gpfs_ace_v4_t ace_v4[1]; /* when GPFS_ACL_VERSION_NFS4 */
657 };
658
659 DEBUG(10, ("smb2gpfs_acl: Got ACL with %d entries\n", pacl->count));
660
661 len = sizeof(struct gpfs_acl) - sizeof(union gpfs_ace_union) +
662 (pacl->count)*sizeof(gpfs_ace_v1_t);
663
664 result = (struct gpfs_acl *)SMB_MALLOC(len);
665 if (result == NULL) {
666 errno = ENOMEM;
667 return result;
668 }
669
670 result->acl_len = len;
671 result->acl_level = 0;
672 result->acl_version = GPFS_ACL_VERSION_POSIX;
673 result->acl_type = (type == SMB_ACL_TYPE_DEFAULT) ?
674 GPFS_ACL_TYPE_DEFAULT : GPFS_ACL_TYPE_ACCESS;
675 result->acl_nace = pacl->count;
676
677 for (i=0; i<pacl->count; i++) {
678 const struct smb_acl_entry *ace = &pacl->acl[i];
679 struct gpfs_ace_v1 *g_ace = &result->ace_v1[i];
680
681 DEBUG(10, ("Converting type %d perm %x\n",
682 (int)ace->a_type, (int)ace->a_perm));
683
684 g_ace->ace_perm = 0;
685
686 switch(ace->a_type) {
687 case SMB_ACL_USER:
688 g_ace->ace_type = GPFS_ACL_USER;
689 g_ace->ace_who = (gpfs_uid_t)ace->uid;
690 break;
691 case SMB_ACL_USER_OBJ:
692 g_ace->ace_type = GPFS_ACL_USER_OBJ;
693 g_ace->ace_perm |= ACL_PERM_CONTROL;
694 g_ace->ace_who = 0;
695 break;
696 case SMB_ACL_GROUP:
697 g_ace->ace_type = GPFS_ACL_GROUP;
698 g_ace->ace_who = (gpfs_uid_t)ace->gid;
699 break;
700 case SMB_ACL_GROUP_OBJ:
701 g_ace->ace_type = GPFS_ACL_GROUP_OBJ;
702 g_ace->ace_who = 0;
703 break;
704 case SMB_ACL_MASK:
705 g_ace->ace_type = GPFS_ACL_MASK;
706 g_ace->ace_perm = 0x8f;
707 g_ace->ace_who = 0;
708 break;
709 case SMB_ACL_OTHER:
710 g_ace->ace_type = GPFS_ACL_OTHER;
711 g_ace->ace_who = 0;
712 break;
713 default:
714 DEBUG(10, ("Got invalid ace_type: %d\n", ace->a_type));
715 errno = EINVAL;
716 SAFE_FREE(result);
717 return NULL;
718 }
719
720 g_ace->ace_perm |= (ace->a_perm & SMB_ACL_READ) ?
721 ACL_PERM_READ : 0;
722 g_ace->ace_perm |= (ace->a_perm & SMB_ACL_WRITE) ?
723 ACL_PERM_WRITE : 0;
724 g_ace->ace_perm |= (ace->a_perm & SMB_ACL_EXECUTE) ?
725 ACL_PERM_EXECUTE : 0;
726
727 DEBUGADD(10, ("Converted to %d id %d perm %x\n",
728 g_ace->ace_type, g_ace->ace_who, g_ace->ace_perm));
729 }
730
731 return result;
732}
733
734static int gpfsacl_sys_acl_set_file(vfs_handle_struct *handle,
735 const char *name,
736 SMB_ACL_TYPE_T type,
737 SMB_ACL_T theacl)
738{
739 struct gpfs_acl *gpfs_acl;
740 int result;
741
742 gpfs_acl = smb2gpfs_acl(theacl, type);
743 if (gpfs_acl == NULL) {
744 return -1;
745 }
746
747 result = smbd_gpfs_putacl((char *)name, GPFS_PUTACL_STRUCT | GPFS_ACL_SAMBA, gpfs_acl);
748
749 SAFE_FREE(gpfs_acl);
750 return result;
751}
752
753static int gpfsacl_sys_acl_set_fd(vfs_handle_struct *handle,
754 files_struct *fsp,
755 SMB_ACL_T theacl)
756{
757 return gpfsacl_sys_acl_set_file(handle, fsp->fsp_name->base_name,
758 SMB_ACL_TYPE_ACCESS, theacl);
759}
760
761static int gpfsacl_sys_acl_delete_def_file(vfs_handle_struct *handle,
762 const char *path)
763{
764 errno = ENOTSUP;
765 return -1;
766}
767
768/*
769 * Assumed: mode bits are shiftable and standard
770 * Output: the new aceMask field for an smb nfs4 ace
771 */
772static uint32 gpfsacl_mask_filter(uint32 aceType, uint32 aceMask, uint32 rwx)
773{
774 const uint32 posix_nfs4map[3] = {
775 SMB_ACE4_EXECUTE, /* execute */
776 SMB_ACE4_WRITE_DATA | SMB_ACE4_APPEND_DATA, /* write; GPFS specific */
777 SMB_ACE4_READ_DATA /* read */
778 };
779 int i;
780 uint32_t posix_mask = 0x01;
781 uint32_t posix_bit;
782 uint32_t nfs4_bits;
783
784 for(i=0; i<3; i++) {
785 nfs4_bits = posix_nfs4map[i];
786 posix_bit = rwx & posix_mask;
787
788 if (aceType==SMB_ACE4_ACCESS_ALLOWED_ACE_TYPE) {
789 if (posix_bit)
790 aceMask |= nfs4_bits;
791 else
792 aceMask &= ~nfs4_bits;
793 } else {
794 /* add deny bits when suitable */
795 if (!posix_bit)
796 aceMask |= nfs4_bits;
797 else
798 aceMask &= ~nfs4_bits;
799 } /* other ace types are unexpected */
800
801 posix_mask <<= 1;
802 }
803
804 return aceMask;
805}
806
807static int gpfsacl_emu_chmod(const char *path, mode_t mode)
808{
809 SMB4ACL_T *pacl = NULL;
810 int result;
811 bool haveAllowEntry[SMB_ACE4_WHO_EVERYONE + 1] = {False, False, False, False};
812 int i;
813 files_struct fake_fsp; /* TODO: rationalize parametrization */
814 SMB4ACE_T *smbace;
815 NTSTATUS status;
816
817 DEBUG(10, ("gpfsacl_emu_chmod invoked for %s mode %o\n", path, mode));
818
819 result = gpfs_get_nfs4_acl(path, &pacl);
820 if (result)
821 return result;
822
823 if (mode & ~(S_IRWXU | S_IRWXG | S_IRWXO)) {
824 DEBUG(2, ("WARNING: cutting extra mode bits %o on %s\n", mode, path));
825 }
826
827 for (smbace=smb_first_ace4(pacl); smbace!=NULL; smbace = smb_next_ace4(smbace)) {
828 SMB_ACE4PROP_T *ace = smb_get_ace4(smbace);
829 uint32_t specid = ace->who.special_id;
830
831 if (ace->flags&SMB_ACE4_ID_SPECIAL &&
832 ace->aceType<=SMB_ACE4_ACCESS_DENIED_ACE_TYPE &&
833 specid <= SMB_ACE4_WHO_EVERYONE) {
834
835 uint32_t newMask;
836
837 if (ace->aceType==SMB_ACE4_ACCESS_ALLOWED_ACE_TYPE)
838 haveAllowEntry[specid] = True;
839
840 /* mode >> 6 for @owner, mode >> 3 for @group,
841 * mode >> 0 for @everyone */
842 newMask = gpfsacl_mask_filter(ace->aceType, ace->aceMask,
843 mode >> ((SMB_ACE4_WHO_EVERYONE - specid) * 3));
844 if (ace->aceMask!=newMask) {
845 DEBUG(10, ("ace changed for %s (%o -> %o) id=%d\n",
846 path, ace->aceMask, newMask, specid));
847 }
848 ace->aceMask = newMask;
849 }
850 }
851
852 /* make sure we have at least ALLOW entries
853 * for all the 3 special ids (@EVERYONE, @OWNER, @GROUP)
854 * - if necessary
855 */
856 for(i = SMB_ACE4_WHO_OWNER; i<=SMB_ACE4_WHO_EVERYONE; i++) {
857 SMB_ACE4PROP_T ace;
858
859 if (haveAllowEntry[i]==True)
860 continue;
861
862 ZERO_STRUCT(ace);
863 ace.aceType = SMB_ACE4_ACCESS_ALLOWED_ACE_TYPE;
864 ace.flags |= SMB_ACE4_ID_SPECIAL;
865 ace.who.special_id = i;
866
867 if (i==SMB_ACE4_WHO_GROUP) /* not sure it's necessary... */
868 ace.aceFlags |= SMB_ACE4_IDENTIFIER_GROUP;
869
870 ace.aceMask = gpfsacl_mask_filter(ace.aceType, ace.aceMask,
871 mode >> ((SMB_ACE4_WHO_EVERYONE - i) * 3));
872
873 /* don't add unnecessary aces */
874 if (!ace.aceMask)
875 continue;
876
877 /* we add it to the END - as windows expects allow aces */
878 smb_add_ace4(pacl, &ace);
879 DEBUG(10, ("Added ALLOW ace for %s, mode=%o, id=%d, aceMask=%x\n",
880 path, mode, i, ace.aceMask));
881 }
882
883 /* don't add complementary DENY ACEs here */
884 ZERO_STRUCT(fake_fsp);
885 status = create_synthetic_smb_fname(talloc_tos(), path, NULL, NULL,
886 &fake_fsp.fsp_name);
887 if (!NT_STATUS_IS_OK(status)) {
888 errno = map_errno_from_nt_status(status);
889 return -1;
890 }
891 /* put the acl */
892 if (gpfsacl_process_smbacl(&fake_fsp, pacl) == False) {
893 TALLOC_FREE(fake_fsp.fsp_name);
894 return -1;
895 }
896
897 TALLOC_FREE(fake_fsp.fsp_name);
898 return 0; /* ok for [f]chmod */
899}
900
901static int vfs_gpfs_chmod(vfs_handle_struct *handle, const char *path, mode_t mode)
902{
903 struct smb_filename *smb_fname_cpath;
904 int rc;
905 NTSTATUS status;
906
907 status = create_synthetic_smb_fname(
908 talloc_tos(), path, NULL, NULL, &smb_fname_cpath);
909
910 if (SMB_VFS_NEXT_STAT(handle, smb_fname_cpath) != 0) {
911 return -1;
912 }
913
914 /* avoid chmod() if possible, to preserve acls */
915 if ((smb_fname_cpath->st.st_ex_mode & ~S_IFMT) == mode) {
916 return 0;
917 }
918
919 rc = gpfsacl_emu_chmod(path, mode);
920 if (rc == 1)
921 return SMB_VFS_NEXT_CHMOD(handle, path, mode);
922 return rc;
923}
924
925static int vfs_gpfs_fchmod(vfs_handle_struct *handle, files_struct *fsp, mode_t mode)
926{
927 SMB_STRUCT_STAT st;
928 int rc;
929
930 if (SMB_VFS_NEXT_FSTAT(handle, fsp, &st) != 0) {
931 return -1;
932 }
933
934 /* avoid chmod() if possible, to preserve acls */
935 if ((st.st_ex_mode & ~S_IFMT) == mode) {
936 return 0;
937 }
938
939 rc = gpfsacl_emu_chmod(fsp->fsp_name->base_name, mode);
940 if (rc == 1)
941 return SMB_VFS_NEXT_FCHMOD(handle, fsp, mode);
942 return rc;
943}
944
945static int gpfs_set_xattr(struct vfs_handle_struct *handle, const char *path,
946 const char *name, const void *value, size_t size, int flags){
947 struct xattr_DOSATTRIB dosattrib;
948 enum ndr_err_code ndr_err;
949 DATA_BLOB blob;
950 const char *attrstr = value;
951 unsigned int dosmode=0;
952 struct gpfs_winattr attrs;
953 int ret = 0;
954
955 DEBUG(10, ("gpfs_set_xattr: %s \n",path));
956
957 /* Only handle DOS Attributes */
958 if (strcmp(name,SAMBA_XATTR_DOS_ATTRIB) != 0){
959 DEBUG(5, ("gpfs_set_xattr:name is %s\n",name));
960 return SMB_VFS_NEXT_SETXATTR(handle,path,name,value,size,flags);
961 }
962
963 blob.data = (uint8_t *)attrstr;
964 blob.length = size;
965
966 ndr_err = ndr_pull_struct_blob(&blob, talloc_tos(), &dosattrib,
967 (ndr_pull_flags_fn_t)ndr_pull_xattr_DOSATTRIB);
968
969 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
970 DEBUG(1, ("gpfs_set_xattr: bad ndr decode "
971 "from EA on file %s: Error = %s\n",
972 path, ndr_errstr(ndr_err)));
973 return false;
974 }
975
976 if (dosattrib.version != 3) {
977 DEBUG(1, ("gpfs_set_xattr: expected dosattrib version 3, got "
978 "%d\n", (int)dosattrib.version));
979 return false;
980 }
981 if (!(dosattrib.info.info3.valid_flags & XATTR_DOSINFO_ATTRIB)) {
982 DEBUG(10, ("gpfs_set_xattr: XATTR_DOSINFO_ATTRIB not "
983 "valid, ignoring\n"));
984 return true;
985 }
986
987 dosmode = dosattrib.info.info3.attrib;
988
989 attrs.winAttrs = 0;
990 /*Just map RD_ONLY, ARCHIVE, SYSTEM HIDDEN and SPARSE. Ignore the others*/
991 if (dosmode & FILE_ATTRIBUTE_ARCHIVE){
992 attrs.winAttrs |= GPFS_WINATTR_ARCHIVE;
993 }
994 if (dosmode & FILE_ATTRIBUTE_HIDDEN){
995 attrs.winAttrs |= GPFS_WINATTR_HIDDEN;
996 }
997 if (dosmode & FILE_ATTRIBUTE_SYSTEM){
998 attrs.winAttrs |= GPFS_WINATTR_SYSTEM;
999 }
1000 if (dosmode & FILE_ATTRIBUTE_READONLY){
1001 attrs.winAttrs |= GPFS_WINATTR_READONLY;
1002 }
1003 if (dosmode & FILE_ATTRIBUTE_SPARSE) {
1004 attrs.winAttrs |= GPFS_WINATTR_SPARSE_FILE;
1005 }
1006
1007
1008 ret = set_gpfs_winattrs(CONST_DISCARD(char *, path),
1009 GPFS_WINATTR_SET_ATTRS, &attrs);
1010 if ( ret == -1){
1011 if (errno == ENOSYS) {
1012 return SMB_VFS_NEXT_SETXATTR(handle, path, name, value,
1013 size, flags);
1014 }
1015
1016 DEBUG(1, ("gpfs_set_xattr:Set GPFS attributes failed %d\n",ret));
1017 return -1;
1018 }
1019
1020 DEBUG(10, ("gpfs_set_xattr:Set attributes: 0x%x\n",attrs.winAttrs));
1021 return 0;
1022}
1023
1024static ssize_t gpfs_get_xattr(struct vfs_handle_struct *handle, const char *path,
1025 const char *name, void *value, size_t size){
1026 char *attrstr = value;
1027 unsigned int dosmode = 0;
1028 struct gpfs_winattr attrs;
1029 int ret = 0;
1030
1031 DEBUG(10, ("gpfs_get_xattr: %s \n",path));
1032
1033 /* Only handle DOS Attributes */
1034 if (strcmp(name,SAMBA_XATTR_DOS_ATTRIB) != 0){
1035 DEBUG(5, ("gpfs_get_xattr:name is %s\n",name));
1036 return SMB_VFS_NEXT_GETXATTR(handle,path,name,value,size);
1037 }
1038
1039 ret = get_gpfs_winattrs(CONST_DISCARD(char *, path), &attrs);
1040 if ( ret == -1){
1041 if (errno == ENOSYS) {
1042 return SMB_VFS_NEXT_GETXATTR(handle, path, name, value,
1043 size);
1044 }
1045
1046 DEBUG(1, ("gpfs_get_xattr: Get GPFS attributes failed: "
1047 "%d (%s)\n", ret, strerror(errno)));
1048 return -1;
1049 }
1050
1051 DEBUG(10, ("gpfs_get_xattr:Got attributes: 0x%x\n",attrs.winAttrs));
1052
1053 /*Just map RD_ONLY, ARCHIVE, SYSTEM, HIDDEN and SPARSE. Ignore the others*/
1054 if (attrs.winAttrs & GPFS_WINATTR_ARCHIVE){
1055 dosmode |= FILE_ATTRIBUTE_ARCHIVE;
1056 }
1057 if (attrs.winAttrs & GPFS_WINATTR_HIDDEN){
1058 dosmode |= FILE_ATTRIBUTE_HIDDEN;
1059 }
1060 if (attrs.winAttrs & GPFS_WINATTR_SYSTEM){
1061 dosmode |= FILE_ATTRIBUTE_SYSTEM;
1062 }
1063 if (attrs.winAttrs & GPFS_WINATTR_READONLY){
1064 dosmode |= FILE_ATTRIBUTE_READONLY;
1065 }
1066 if (attrs.winAttrs & GPFS_WINATTR_SPARSE_FILE) {
1067 dosmode |= FILE_ATTRIBUTE_SPARSE;
1068 }
1069
1070 snprintf(attrstr, size, "0x%2.2x",
1071 (unsigned int)(dosmode & SAMBA_ATTRIBUTES_MASK));
1072 DEBUG(10, ("gpfs_get_xattr: returning %s\n",attrstr));
1073 return 4;
1074}
1075
1076static int vfs_gpfs_stat(struct vfs_handle_struct *handle,
1077 struct smb_filename *smb_fname)
1078{
1079 struct gpfs_winattr attrs;
1080 char *fname = NULL;
1081 NTSTATUS status;
1082 int ret;
1083
1084 ret = SMB_VFS_NEXT_STAT(handle, smb_fname);
1085 if (ret == -1) {
1086 return -1;
1087 }
1088 status = get_full_smb_filename(talloc_tos(), smb_fname, &fname);
1089 if (!NT_STATUS_IS_OK(status)) {
1090 errno = map_errno_from_nt_status(status);
1091 return -1;
1092 }
1093 ret = get_gpfs_winattrs(CONST_DISCARD(char *, fname), &attrs);
1094 TALLOC_FREE(fname);
1095 if (ret == 0) {
1096 smb_fname->st.st_ex_btime.tv_sec = attrs.creationTime.tv_sec;
1097 smb_fname->st.st_ex_btime.tv_nsec = attrs.creationTime.tv_nsec;
1098 smb_fname->st.vfs_private = attrs.winAttrs;
1099 }
1100 return 0;
1101}
1102
1103static int vfs_gpfs_fstat(struct vfs_handle_struct *handle,
1104 struct files_struct *fsp, SMB_STRUCT_STAT *sbuf)
1105{
1106 struct gpfs_winattr attrs;
1107 int ret;
1108
1109 ret = SMB_VFS_NEXT_FSTAT(handle, fsp, sbuf);
1110 if (ret == -1) {
1111 return -1;
1112 }
1113 if ((fsp->fh == NULL) || (fsp->fh->fd == -1)) {
1114 return 0;
1115 }
1116 ret = smbd_fget_gpfs_winattrs(fsp->fh->fd, &attrs);
1117 if (ret == 0) {
1118 sbuf->st_ex_btime.tv_sec = attrs.creationTime.tv_sec;
1119 sbuf->st_ex_btime.tv_nsec = attrs.creationTime.tv_nsec;
1120 }
1121 return 0;
1122}
1123
1124static int vfs_gpfs_lstat(struct vfs_handle_struct *handle,
1125 struct smb_filename *smb_fname)
1126{
1127 struct gpfs_winattr attrs;
1128 char *path = NULL;
1129 NTSTATUS status;
1130 int ret;
1131
1132 ret = SMB_VFS_NEXT_LSTAT(handle, smb_fname);
1133 if (ret == -1) {
1134 return -1;
1135 }
1136 status = get_full_smb_filename(talloc_tos(), smb_fname, &path);
1137 if (!NT_STATUS_IS_OK(status)) {
1138 errno = map_errno_from_nt_status(status);
1139 return -1;
1140 }
1141 ret = get_gpfs_winattrs(CONST_DISCARD(char *, path), &attrs);
1142 TALLOC_FREE(path);
1143 if (ret == 0) {
1144 smb_fname->st.st_ex_btime.tv_sec = attrs.creationTime.tv_sec;
1145 smb_fname->st.st_ex_btime.tv_nsec = attrs.creationTime.tv_nsec;
1146 smb_fname->st.vfs_private = attrs.winAttrs;
1147 }
1148 return 0;
1149}
1150
1151static int vfs_gpfs_ntimes(struct vfs_handle_struct *handle,
1152 const struct smb_filename *smb_fname,
1153 struct smb_file_time *ft)
1154{
1155
1156 struct gpfs_winattr attrs;
1157 int ret;
1158 char *path = NULL;
1159 NTSTATUS status;
1160
1161 ret = SMB_VFS_NEXT_NTIMES(handle, smb_fname, ft);
1162 if(ret == -1){
1163 DEBUG(1,("vfs_gpfs_ntimes: SMB_VFS_NEXT_NTIMES failed\n"));
1164 return -1;
1165 }
1166
1167 if(null_timespec(ft->create_time)){
1168 DEBUG(10,("vfs_gpfs_ntimes:Create Time is NULL\n"));
1169 return 0;
1170 }
1171
1172 status = get_full_smb_filename(talloc_tos(), smb_fname, &path);
1173 if (!NT_STATUS_IS_OK(status)) {
1174 errno = map_errno_from_nt_status(status);
1175 return -1;
1176 }
1177
1178 attrs.winAttrs = 0;
1179 attrs.creationTime.tv_sec = ft->create_time.tv_sec;
1180 attrs.creationTime.tv_nsec = ft->create_time.tv_nsec;
1181
1182 ret = set_gpfs_winattrs(CONST_DISCARD(char *, path),
1183 GPFS_WINATTR_SET_CREATION_TIME, &attrs);
1184 if(ret == -1 && errno != ENOSYS){
1185 DEBUG(1,("vfs_gpfs_ntimes: set GPFS ntimes failed %d\n",ret));
1186 return -1;
1187 }
1188 return 0;
1189
1190}
1191
1192static int vfs_gpfs_ftruncate(vfs_handle_struct *handle, files_struct *fsp,
1193 SMB_OFF_T len)
1194{
1195 int result;
1196
1197 result = smbd_gpfs_ftruncate(fsp->fh->fd, len);
1198 if ((result == -1) && (errno == ENOSYS)) {
1199 return SMB_VFS_NEXT_FTRUNCATE(handle, fsp, len);
1200 }
1201 return result;
1202}
1203
1204static bool vfs_gpfs_is_offline(struct vfs_handle_struct *handle,
1205 const struct smb_filename *fname,
1206 SMB_STRUCT_STAT *sbuf)
1207{
1208 struct gpfs_winattr attrs;
1209 char *path = NULL;
1210 NTSTATUS status;
1211
1212 status = get_full_smb_filename(talloc_tos(), fname, &path);
1213 if (!NT_STATUS_IS_OK(status)) {
1214 errno = map_errno_from_nt_status(status);
1215 return -1;
1216 }
1217
1218 if (VALID_STAT(*sbuf)) {
1219 attrs.winAttrs = sbuf->vfs_private;
1220 } else {
1221 int ret;
1222 ret = get_gpfs_winattrs(path, &attrs);
1223
1224 if (ret == -1) {
1225 TALLOC_FREE(path);
1226 return false;
1227 }
1228 }
1229 if ((attrs.winAttrs & GPFS_WINATTR_OFFLINE) != 0) {
1230 DEBUG(10, ("%s is offline\n", path));
1231 TALLOC_FREE(path);
1232 return true;
1233 }
1234 DEBUG(10, ("%s is online\n", path));
1235 TALLOC_FREE(path);
1236 return SMB_VFS_NEXT_IS_OFFLINE(handle, fname, sbuf);
1237}
1238
1239static bool vfs_gpfs_aio_force(struct vfs_handle_struct *handle,
1240 struct files_struct *fsp)
1241{
1242 return vfs_gpfs_is_offline(handle, fsp->fsp_name, &fsp->fsp_name->st);
1243}
1244
1245static ssize_t vfs_gpfs_sendfile(vfs_handle_struct *handle, int tofd,
1246 files_struct *fsp, const DATA_BLOB *hdr,
1247 SMB_OFF_T offset, size_t n)
1248{
1249 if ((fsp->fsp_name->st.vfs_private & GPFS_WINATTR_OFFLINE) != 0) {
1250 errno = ENOSYS;
1251 return -1;
1252 }
1253 return SMB_VFS_NEXT_SENDFILE(handle, tofd, fsp, hdr, offset, n);
1254}
1255
1256int vfs_gpfs_connect(struct vfs_handle_struct *handle, const char *service,
1257 const char *user)
1258{
1259 struct gpfs_config_data *config;
1260
1261 smbd_gpfs_lib_init();
1262
1263 int ret = SMB_VFS_NEXT_CONNECT(handle, service, user);
1264
1265 if (ret < 0) {
1266 return ret;
1267 }
1268
1269 config = talloc_zero(handle->conn, struct gpfs_config_data);
1270 if (!config) {
1271 SMB_VFS_NEXT_DISCONNECT(handle);
1272 DEBUG(0, ("talloc_zero() failed\n")); return -1;
1273 }
1274
1275 config->sharemodes = lp_parm_bool(SNUM(handle->conn), "gpfs",
1276 "sharemodes", true);
1277
1278 config->leases = lp_parm_bool(SNUM(handle->conn), "gpfs",
1279 "leases", true);
1280
1281 config->hsm = lp_parm_bool(SNUM(handle->conn), "gpfs",
1282 "hsm", false);
1283
1284 SMB_VFS_HANDLE_SET_DATA(handle, config,
1285 NULL, struct gpfs_config_data,
1286 return -1);
1287
1288 return 0;
1289}
1290
1291static uint32_t vfs_gpfs_capabilities(struct vfs_handle_struct *handle,
1292 enum timestamp_set_resolution *p_ts_res)
1293{
1294 struct gpfs_config_data *config;
1295 uint32_t next;
1296
1297 next = SMB_VFS_NEXT_FS_CAPABILITIES(handle, p_ts_res);
1298
1299 SMB_VFS_HANDLE_GET_DATA(handle, config,
1300 struct gpfs_config_data,
1301 return next);
1302
1303 if (config->hsm) {
1304 next |= FILE_SUPPORTS_REMOTE_STORAGE;
1305 }
1306 return next;
1307}
1308
1309static int vfs_gpfs_open(struct vfs_handle_struct *handle,
1310 struct smb_filename *smb_fname, files_struct *fsp,
1311 int flags, mode_t mode)
1312{
1313 if (lp_parm_bool(fsp->conn->params->service, "gpfs", "syncio",
1314 false)) {
1315 flags |= O_SYNC;
1316 }
1317 return SMB_VFS_NEXT_OPEN(handle, smb_fname, fsp, flags, mode);
1318}
1319
1320
1321static struct vfs_fn_pointers vfs_gpfs_fns = {
1322 .connect_fn = vfs_gpfs_connect,
1323 .fs_capabilities = vfs_gpfs_capabilities,
1324 .kernel_flock = vfs_gpfs_kernel_flock,
1325 .linux_setlease = vfs_gpfs_setlease,
1326 .get_real_filename = vfs_gpfs_get_real_filename,
1327 .fget_nt_acl = gpfsacl_fget_nt_acl,
1328 .get_nt_acl = gpfsacl_get_nt_acl,
1329 .fset_nt_acl = gpfsacl_fset_nt_acl,
1330 .sys_acl_get_file = gpfsacl_sys_acl_get_file,
1331 .sys_acl_get_fd = gpfsacl_sys_acl_get_fd,
1332 .sys_acl_set_file = gpfsacl_sys_acl_set_file,
1333 .sys_acl_set_fd = gpfsacl_sys_acl_set_fd,
1334 .sys_acl_delete_def_file = gpfsacl_sys_acl_delete_def_file,
1335 .chmod = vfs_gpfs_chmod,
1336 .fchmod = vfs_gpfs_fchmod,
1337 .close_fn = vfs_gpfs_close,
1338 .setxattr = gpfs_set_xattr,
1339 .getxattr = gpfs_get_xattr,
1340 .stat = vfs_gpfs_stat,
1341 .fstat = vfs_gpfs_fstat,
1342 .lstat = vfs_gpfs_lstat,
1343 .ntimes = vfs_gpfs_ntimes,
1344 .is_offline = vfs_gpfs_is_offline,
1345 .aio_force = vfs_gpfs_aio_force,
1346 .sendfile = vfs_gpfs_sendfile,
1347 .open_fn = vfs_gpfs_open,
1348 .ftruncate = vfs_gpfs_ftruncate
1349};
1350
1351NTSTATUS vfs_gpfs_init(void);
1352NTSTATUS vfs_gpfs_init(void)
1353{
1354 init_gpfs();
1355
1356 return smb_register_vfs(SMB_VFS_INTERFACE_VERSION, "gpfs",
1357 &vfs_gpfs_fns);
1358}
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