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s3:smbd: use lp_smbd_search_ask_sharemode()
[Samba.git] / source3 / modules / vfs_gpfs.c
blob3a75efdf5e61e26711f780b5fb5ea97ddfd14915
1 /*
2 * Unix SMB/CIFS implementation.
3 * Samba VFS module for GPFS filesystem
4 * Copyright (C) Christian Ambach <cambach1@de.ibm.com> 2006
5 * Copyright (C) Christof Schmitt 2015
6 * Major code contributions by Chetan Shringarpure <chetan.sh@in.ibm.com>
7 * and Gomati Mohanan <gomati.mohanan@in.ibm.com>
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 3 of the License, or
12 * (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, see <http://www.gnu.org/licenses/>.
21 */
22
23 #include "includes.h"
24 #include "smbd/smbd.h"
25 #include "include/smbprofile.h"
26 #include "modules/non_posix_acls.h"
27 #include "libcli/security/security.h"
28 #include "nfs4_acls.h"
29 #include "system/filesys.h"
30 #include "auth.h"
31 #include "lib/util/tevent_unix.h"
32 #include "lib/util/gpfswrap.h"
33
34 #undef DBGC_CLASS
35 #define DBGC_CLASS DBGC_VFS
36
37 #ifndef GPFS_GETACL_NATIVE
38 #define GPFS_GETACL_NATIVE 0x00000004
39 #endif
40
41 struct gpfs_config_data {
42 struct smbacl4_vfs_params nfs4_params;
43 bool sharemodes;
44 bool leases;
45 bool hsm;
46 bool syncio;
47 bool winattr;
48 bool ftruncate;
49 bool getrealfilename;
50 bool dfreequota;
51 bool prealloc;
52 bool acl;
53 bool settimes;
54 bool recalls;
55 };
56
57 struct gpfs_fsp_extension {
58 bool offline;
59 };
60
61 static inline unsigned int gpfs_acl_flags(gpfs_acl_t *gacl)
62 {
63 if (gacl->acl_level == GPFS_ACL_LEVEL_V4FLAGS) {
64 return gacl->v4Level1.acl_flags;
65 }
66 return 0;
67 }
68
69 static inline gpfs_ace_v4_t *gpfs_ace_ptr(gpfs_acl_t *gacl, unsigned int i)
70 {
71 if (gacl->acl_level == GPFS_ACL_LEVEL_V4FLAGS) {
72 return &gacl->v4Level1.ace_v4[i];
73 }
74 return &gacl->ace_v4[i];
75 }
76
77 static bool set_gpfs_sharemode(files_struct *fsp, uint32_t access_mask,
78 uint32_t share_access)
79 {
80 unsigned int allow = GPFS_SHARE_NONE;
81 unsigned int deny = GPFS_DENY_NONE;
82 int result;
83
84 if ((fsp == NULL) || (fsp->fh == NULL) || (fsp->fh->fd < 0)) {
85 /* No real file, don't disturb */
86 return True;
87 }
88
89 allow |= (access_mask & (FILE_WRITE_DATA|FILE_APPEND_DATA)) ?
90 GPFS_SHARE_WRITE : 0;
91 allow |= (access_mask & (FILE_READ_DATA|FILE_EXECUTE)) ?
92 GPFS_SHARE_READ : 0;
93
94 if (allow == GPFS_SHARE_NONE) {
95 DEBUG(10, ("special case am=no_access:%x\n",access_mask));
96 }
97 else {
98 deny |= (share_access & FILE_SHARE_WRITE) ?
99 0 : GPFS_DENY_WRITE;
100 deny |= (share_access & (FILE_SHARE_READ)) ?
101 0 : GPFS_DENY_READ;
102
103 /*
104 * GPFS_DENY_DELETE can only be set together with either
105 * GPFS_DENY_WRITE or GPFS_DENY_READ.
106 */
107 if (deny & (GPFS_DENY_WRITE|GPFS_DENY_READ)) {
108 deny |= (share_access & (FILE_SHARE_DELETE)) ?
109 0 : GPFS_DENY_DELETE;
110 }
111 }
112 DEBUG(10, ("am=%x, allow=%d, sa=%x, deny=%d\n",
113 access_mask, allow, share_access, deny));
114
115 result = gpfswrap_set_share(fsp->fh->fd, allow, deny);
116 if (result != 0) {
117 if (errno == ENOSYS) {
118 DEBUG(5, ("VFS module vfs_gpfs loaded, but gpfs "
119 "set_share function support not available. "
120 "Allowing access\n"));
121 return True;
122 } else {
123 DEBUG(10, ("gpfs_set_share failed: %s\n",
124 strerror(errno)));
125 }
126 }
127
128 return (result == 0);
129 }
130
131 static int vfs_gpfs_kernel_flock(vfs_handle_struct *handle, files_struct *fsp,
132 uint32_t share_mode, uint32_t access_mask)
133 {
134
135 struct gpfs_config_data *config;
136 int ret = 0;
137
138 START_PROFILE(syscall_kernel_flock);
139
140 SMB_VFS_HANDLE_GET_DATA(handle, config,
141 struct gpfs_config_data,
142 return -1);
143
144 if(!config->sharemodes) {
145 return 0;
146 }
147
148 /*
149 * A named stream fsp will have the basefile open in the fsp
150 * fd, so lacking a distinct fd for the stream we have to skip
151 * kernel_flock and set_gpfs_sharemode for stream.
152 */
153 if (is_ntfs_stream_smb_fname(fsp->fsp_name) &&
154 !is_ntfs_default_stream_smb_fname(fsp->fsp_name)) {
155 DEBUG(2,("%s: kernel_flock on stream\n", fsp_str_dbg(fsp)));
156 return 0;
157 }
158
159 kernel_flock(fsp->fh->fd, share_mode, access_mask);
160
161 if (!set_gpfs_sharemode(fsp, access_mask, fsp->share_access)) {
162 ret = -1;
163 }
164
165 END_PROFILE(syscall_kernel_flock);
166
167 return ret;
168 }
169
170 static int vfs_gpfs_close(vfs_handle_struct *handle, files_struct *fsp)
171 {
172
173 struct gpfs_config_data *config;
174
175 SMB_VFS_HANDLE_GET_DATA(handle, config,
176 struct gpfs_config_data,
177 return -1);
178
179 if (config->sharemodes && (fsp->fh != NULL) && (fsp->fh->fd != -1)) {
180 set_gpfs_sharemode(fsp, 0, 0);
181 }
182
183 return SMB_VFS_NEXT_CLOSE(handle, fsp);
184 }
185
186 static int set_gpfs_lease(int fd, int leasetype)
187 {
188 int gpfs_type = GPFS_LEASE_NONE;
189
190 if (leasetype == F_RDLCK) {
191 gpfs_type = GPFS_LEASE_READ;
192 }
193 if (leasetype == F_WRLCK) {
194 gpfs_type = GPFS_LEASE_WRITE;
195 }
196
197 /* we unconditionally set CAP_LEASE, rather than looking for
198 -1/EACCES as there is a bug in some versions of
199 libgpfs_gpl.so which results in a leaked fd on /dev/ss0
200 each time we try this with the wrong capabilities set
201 */
202 linux_set_lease_capability();
203 return gpfswrap_set_lease(fd, gpfs_type);
204 }
205
206 static int vfs_gpfs_setlease(vfs_handle_struct *handle, files_struct *fsp,
207 int leasetype)
208 {
209 struct gpfs_config_data *config;
210 int ret=0;
211
212 START_PROFILE(syscall_linux_setlease);
213
214 SMB_VFS_HANDLE_GET_DATA(handle, config,
215 struct gpfs_config_data,
216 return -1);
217
218 if (linux_set_lease_sighandler(fsp->fh->fd) == -1) {
219 ret = -1;
220 goto failure;
221 }
222
223 if (config->leases) {
224 /*
225 * Ensure the lease owner is root to allow
226 * correct delivery of lease-break signals.
227 */
228 become_root();
229 ret = set_gpfs_lease(fsp->fh->fd,leasetype);
230 unbecome_root();
231 }
232
233 failure:
234 END_PROFILE(syscall_linux_setlease);
235
236 return ret;
237 }
238
239 static int vfs_gpfs_get_real_filename(struct vfs_handle_struct *handle,
240 const char *path,
241 const char *name,
242 TALLOC_CTX *mem_ctx,
243 char **found_name)
244 {
245 int result;
246 char *full_path = NULL;
247 char *to_free = NULL;
248 char real_pathname[PATH_MAX+1], tmpbuf[PATH_MAX];
249 size_t full_path_len;
250 int buflen;
251 bool mangled;
252 struct gpfs_config_data *config;
253
254 SMB_VFS_HANDLE_GET_DATA(handle, config,
255 struct gpfs_config_data,
256 return -1);
257
258 if (!config->getrealfilename) {
259 return SMB_VFS_NEXT_GET_REAL_FILENAME(handle, path, name,
260 mem_ctx, found_name);
261 }
262
263 mangled = mangle_is_mangled(name, handle->conn->params);
264 if (mangled) {
265 return SMB_VFS_NEXT_GET_REAL_FILENAME(handle, path, name,
266 mem_ctx, found_name);
267 }
268
269 full_path_len = full_path_tos(path, name, tmpbuf, sizeof(tmpbuf),
270 &full_path, &to_free);
271 if (full_path_len == -1) {
272 errno = ENOMEM;
273 return -1;
274 }
275
276 buflen = sizeof(real_pathname) - 1;
277
278 result = gpfswrap_get_realfilename_path(full_path, real_pathname,
279 &buflen);
280
281 TALLOC_FREE(to_free);
282
283 if ((result == -1) && (errno == ENOSYS)) {
284 return SMB_VFS_NEXT_GET_REAL_FILENAME(
285 handle, path, name, mem_ctx, found_name);
286 }
287
288 if (result == -1) {
289 DEBUG(10, ("smbd_gpfs_get_realfilename_path returned %s\n",
290 strerror(errno)));
291 return -1;
292 }
293
294 /*
295 * GPFS does not necessarily null-terminate the returned path
296 * but instead returns the buffer length in buflen.
297 */
298
299 if (buflen < sizeof(real_pathname)) {
300 real_pathname[buflen] = '\0';
301 } else {
302 real_pathname[sizeof(real_pathname)-1] = '\0';
303 }
304
305 DEBUG(10, ("smbd_gpfs_get_realfilename_path: %s/%s -> %s\n",
306 path, name, real_pathname));
307
308 name = strrchr_m(real_pathname, '/');
309 if (name == NULL) {
310 errno = ENOENT;
311 return -1;
312 }
313
314 *found_name = talloc_strdup(mem_ctx, name+1);
315 if (*found_name == NULL) {
316 errno = ENOMEM;
317 return -1;
318 }
319
320 return 0;
321 }
322
323 static void sd2gpfs_control(uint16_t control, struct gpfs_acl *gacl)
324 {
325 unsigned int gpfs_aclflags = 0;
326 control &= SEC_DESC_DACL_PROTECTED | SEC_DESC_SACL_PROTECTED |
327 SEC_DESC_DACL_AUTO_INHERITED | SEC_DESC_SACL_AUTO_INHERITED |
328 SEC_DESC_DACL_DEFAULTED | SEC_DESC_SACL_DEFAULTED |
329 SEC_DESC_DACL_PRESENT | SEC_DESC_SACL_PRESENT;
330 gpfs_aclflags = control << 8;
331 if (!(control & SEC_DESC_DACL_PRESENT))
332 gpfs_aclflags |= ACL4_FLAG_NULL_DACL;
333 if (!(control & SEC_DESC_SACL_PRESENT))
334 gpfs_aclflags |= ACL4_FLAG_NULL_SACL;
335 gacl->acl_level = GPFS_ACL_LEVEL_V4FLAGS;
336 gacl->v4Level1.acl_flags = gpfs_aclflags;
337 }
338
339 static uint16_t gpfs2sd_control(unsigned int gpfs_aclflags)
340 {
341 uint16_t control = gpfs_aclflags >> 8;
342 control &= SEC_DESC_DACL_PROTECTED | SEC_DESC_SACL_PROTECTED |
343 SEC_DESC_DACL_AUTO_INHERITED | SEC_DESC_SACL_AUTO_INHERITED |
344 SEC_DESC_DACL_DEFAULTED | SEC_DESC_SACL_DEFAULTED |
345 SEC_DESC_DACL_PRESENT | SEC_DESC_SACL_PRESENT;
346 control |= SEC_DESC_SELF_RELATIVE;
347 return control;
348 }
349
350 static void gpfs_dumpacl(int level, struct gpfs_acl *gacl)
351 {
352 gpfs_aclCount_t i;
353 if (gacl==NULL)
354 {
355 DEBUG(0, ("gpfs acl is NULL\n"));
356 return;
357 }
358
359 DEBUG(level, ("len: %d, level: %d, version: %d, nace: %d, "
360 "control: %x\n",
361 gacl->acl_len, gacl->acl_level, gacl->acl_version,
362 gacl->acl_nace, gpfs_acl_flags(gacl)));
363
364 for(i=0; i<gacl->acl_nace; i++)
365 {
366 struct gpfs_ace_v4 *gace = gpfs_ace_ptr(gacl, i);
367 DEBUG(level, ("\tace[%d]: type:%d, flags:0x%x, mask:0x%x, "
368 "iflags:0x%x, who:%u\n",
369 i, gace->aceType, gace->aceFlags, gace->aceMask,
370 gace->aceIFlags, gace->aceWho));
371 }
372 }
373
374 static int gpfs_getacl_with_capability(const char *fname, int flags, void *buf)
375 {
376 int ret, saved_errno;
377
378 set_effective_capability(DAC_OVERRIDE_CAPABILITY);
379
380 ret = gpfswrap_getacl(discard_const_p(char, fname), flags, buf);
381 saved_errno = errno;
382
383 drop_effective_capability(DAC_OVERRIDE_CAPABILITY);
384
385 errno = saved_errno;
386 return ret;
387 }
388
389 /*
390 * get the ACL from GPFS, allocated on the specified mem_ctx
391 * internally retries when initial buffer was too small
392 *
393 * caller needs to cast result to either
394 * raw = yes: struct gpfs_opaque_acl
395 * raw = no: struct gpfs_acl
396 *
397 */
398 static void *vfs_gpfs_getacl(TALLOC_CTX *mem_ctx,
399 const char *fname,
400 const bool raw,
401 const gpfs_aclType_t type)
402 {
403
404 void *aclbuf;
405 size_t size = 512;
406 int ret, flags;
407 unsigned int *len;
408 size_t struct_size;
409 bool use_capability = false;
410
411 again:
412
413 aclbuf = talloc_zero_size(mem_ctx, size);
414 if (aclbuf == NULL) {
415 errno = ENOMEM;
416 return NULL;
417 }
418
419 if (raw) {
420 struct gpfs_opaque_acl *buf = (struct gpfs_opaque_acl *) aclbuf;
421 buf->acl_type = type;
422 flags = GPFS_GETACL_NATIVE;
423 len = (unsigned int *) &(buf->acl_buffer_len);
424 struct_size = sizeof(struct gpfs_opaque_acl);
425 } else {
426 struct gpfs_acl *buf = (struct gpfs_acl *) aclbuf;
427 buf->acl_type = type;
428 buf->acl_level = GPFS_ACL_LEVEL_V4FLAGS;
429 flags = GPFS_GETACL_STRUCT;
430 len = &(buf->acl_len);
431 /* reserve space for control flags in gpfs 3.5 and beyond */
432 struct_size = sizeof(struct gpfs_acl) + sizeof(unsigned int);
433 }
434
435 /* set the length of the buffer as input value */
436 *len = size;
437
438 if (use_capability) {
439 ret = gpfs_getacl_with_capability(fname, flags, aclbuf);
440 } else {
441 ret = gpfswrap_getacl(discard_const_p(char, fname),
442 flags, aclbuf);
443 if ((ret != 0) && (errno == EACCES)) {
444 DBG_DEBUG("Retry with DAC capability for %s\n", fname);
445 use_capability = true;
446 ret = gpfs_getacl_with_capability(fname, flags, aclbuf);
447 }
448 }
449
450 if ((ret != 0) && (errno == ENOSPC)) {
451 /*
452 * get the size needed to accommodate the complete buffer
453 *
454 * the value returned only applies to the ACL blob in the
455 * struct so make sure to also have headroom for the first
456 * struct members by adding room for the complete struct
457 * (might be a few bytes too much then)
458 */
459 size = *len + struct_size;
460 talloc_free(aclbuf);
461 DEBUG(10, ("Increasing ACL buffer size to %zu\n", size));
462 goto again;
463 }
464
465 if (ret != 0) {
466 DEBUG(5, ("smbd_gpfs_getacl failed with %s\n",
467 strerror(errno)));
468 talloc_free(aclbuf);
469 return NULL;
470 }
471
472 return aclbuf;
473 }
474
475 /* Tries to get nfs4 acls and returns SMB ACL allocated.
476 * On failure returns 1 if it got non-NFSv4 ACL to prompt
477 * retry with POSIX ACL checks.
478 * On failure returns -1 if there is system (GPFS) error, check errno.
479 * Returns 0 on success
480 */
481 static int gpfs_get_nfs4_acl(TALLOC_CTX *mem_ctx, const char *fname,
482 struct SMB4ACL_T **ppacl)
483 {
484 gpfs_aclCount_t i;
485 struct gpfs_acl *gacl = NULL;
486 DEBUG(10, ("gpfs_get_nfs4_acl invoked for %s\n", fname));
487
488 /* Get the ACL */
489 gacl = (struct gpfs_acl*) vfs_gpfs_getacl(talloc_tos(), fname,
490 false, 0);
491 if (gacl == NULL) {
492 DEBUG(9, ("gpfs_getacl failed for %s with %s\n",
493 fname, strerror(errno)));
494 if (errno == ENODATA) {
495 /*
496 * GPFS returns ENODATA for snapshot
497 * directories. Retry with POSIX ACLs check.
498 */
499 return 1;
500 }
501
502 return -1;
503 }
504
505 if (gacl->acl_type != GPFS_ACL_TYPE_NFS4) {
506 DEBUG(10, ("Got non-nfsv4 acl\n"));
507 /* Retry with POSIX ACLs check */
508 talloc_free(gacl);
509 return 1;
510 }
511
512 *ppacl = smb_create_smb4acl(mem_ctx);
513
514 if (gacl->acl_level == GPFS_ACL_LEVEL_V4FLAGS) {
515 uint16_t control = gpfs2sd_control(gpfs_acl_flags(gacl));
516 smbacl4_set_controlflags(*ppacl, control);
517 }
518
519 DEBUG(10, ("len: %d, level: %d, version: %d, nace: %d, control: %x\n",
520 gacl->acl_len, gacl->acl_level, gacl->acl_version,
521 gacl->acl_nace, gpfs_acl_flags(gacl)));
522
523 for (i=0; i<gacl->acl_nace; i++) {
524 struct gpfs_ace_v4 *gace = gpfs_ace_ptr(gacl, i);
525 SMB_ACE4PROP_T smbace = { 0 };
526 DEBUG(10, ("type: %d, iflags: %x, flags: %x, mask: %x, "
527 "who: %d\n", gace->aceType, gace->aceIFlags,
528 gace->aceFlags, gace->aceMask, gace->aceWho));
529
530 if (gace->aceIFlags & ACE4_IFLAG_SPECIAL_ID) {
531 smbace.flags |= SMB_ACE4_ID_SPECIAL;
532 switch (gace->aceWho) {
533 case ACE4_SPECIAL_OWNER:
534 smbace.who.special_id = SMB_ACE4_WHO_OWNER;
535 break;
536 case ACE4_SPECIAL_GROUP:
537 smbace.who.special_id = SMB_ACE4_WHO_GROUP;
538 break;
539 case ACE4_SPECIAL_EVERYONE:
540 smbace.who.special_id = SMB_ACE4_WHO_EVERYONE;
541 break;
542 default:
543 DEBUG(8, ("invalid special gpfs id %d "
544 "ignored\n", gace->aceWho));
545 continue; /* don't add it */
546 }
547 } else {
548 if (gace->aceFlags & ACE4_FLAG_GROUP_ID)
549 smbace.who.gid = gace->aceWho;
550 else
551 smbace.who.uid = gace->aceWho;
552 }
553
554 /* remove redundant deny entries */
555 if (i > 0 && gace->aceType == SMB_ACE4_ACCESS_DENIED_ACE_TYPE) {
556 struct gpfs_ace_v4 *prev = gpfs_ace_ptr(gacl, i - 1);
557 if (prev->aceType == SMB_ACE4_ACCESS_ALLOWED_ACE_TYPE &&
558 prev->aceFlags == gace->aceFlags &&
559 prev->aceIFlags == gace->aceIFlags &&
560 (gace->aceMask & prev->aceMask) == 0 &&
561 gace->aceWho == prev->aceWho) {
562 /* it's redundant - skip it */
563 continue;
564 }
565 }
566
567 smbace.aceType = gace->aceType;
568 smbace.aceFlags = gace->aceFlags;
569 smbace.aceMask = gace->aceMask;
570 smb_add_ace4(*ppacl, &smbace);
571 }
572
573 talloc_free(gacl);
574
575 return 0;
576 }
577
578 static NTSTATUS gpfsacl_fget_nt_acl(vfs_handle_struct *handle,
579 files_struct *fsp, uint32_t security_info,
580 TALLOC_CTX *mem_ctx,
581 struct security_descriptor **ppdesc)
582 {
583 struct SMB4ACL_T *pacl = NULL;
584 int result;
585 struct gpfs_config_data *config;
586 TALLOC_CTX *frame = talloc_stackframe();
587 NTSTATUS status;
588
589 *ppdesc = NULL;
590
591 SMB_VFS_HANDLE_GET_DATA(handle, config,
592 struct gpfs_config_data,
593 return NT_STATUS_INTERNAL_ERROR);
594
595 if (!config->acl) {
596 status = SMB_VFS_NEXT_FGET_NT_ACL(handle, fsp, security_info,
597 mem_ctx, ppdesc);
598 TALLOC_FREE(frame);
599 return status;
600 }
601
602 result = gpfs_get_nfs4_acl(frame, fsp->fsp_name->base_name, &pacl);
603
604 if (result == 0) {
605 status = smb_fget_nt_acl_nfs4(fsp, &config->nfs4_params,
606 security_info,
607 mem_ctx, ppdesc, pacl);
608 TALLOC_FREE(frame);
609 return status;
610 }
611
612 if (result > 0) {
613 DEBUG(10, ("retrying with posix acl...\n"));
614 status = posix_fget_nt_acl(fsp, security_info,
615 mem_ctx, ppdesc);
616 TALLOC_FREE(frame);
617 return status;
618 }
619
620 TALLOC_FREE(frame);
621
622 /* GPFS ACL was not read, something wrong happened, error code is set in errno */
623 return map_nt_error_from_unix(errno);
624 }
625
626 static NTSTATUS gpfsacl_get_nt_acl(vfs_handle_struct *handle,
627 const struct smb_filename *smb_fname,
628 uint32_t security_info,
629 TALLOC_CTX *mem_ctx,
630 struct security_descriptor **ppdesc)
631 {
632 struct SMB4ACL_T *pacl = NULL;
633 int result;
634 struct gpfs_config_data *config;
635 TALLOC_CTX *frame = talloc_stackframe();
636 NTSTATUS status;
637
638 *ppdesc = NULL;
639
640 SMB_VFS_HANDLE_GET_DATA(handle, config,
641 struct gpfs_config_data,
642 return NT_STATUS_INTERNAL_ERROR);
643
644 if (!config->acl) {
645 status = SMB_VFS_NEXT_GET_NT_ACL(handle, smb_fname,
646 security_info,
647 mem_ctx, ppdesc);
648 TALLOC_FREE(frame);
649 return status;
650 }
651
652 result = gpfs_get_nfs4_acl(frame, smb_fname->base_name, &pacl);
653
654 if (result == 0) {
655 status = smb_get_nt_acl_nfs4(handle->conn, smb_fname,
656 &config->nfs4_params,
657 security_info, mem_ctx, ppdesc,
658 pacl);
659 TALLOC_FREE(frame);
660 return status;
661 }
662
663 if (result > 0) {
664 DEBUG(10, ("retrying with posix acl...\n"));
665 status = posix_get_nt_acl(handle->conn, smb_fname,
666 security_info, mem_ctx, ppdesc);
667 TALLOC_FREE(frame);
668 return status;
669 }
670
671 /* GPFS ACL was not read, something wrong happened, error code is set in errno */
672 TALLOC_FREE(frame);
673 return map_nt_error_from_unix(errno);
674 }
675
676 static struct gpfs_acl *vfs_gpfs_smbacl2gpfsacl(TALLOC_CTX *mem_ctx,
677 files_struct *fsp,
678 struct SMB4ACL_T *smbacl,
679 bool controlflags)
680 {
681 struct gpfs_acl *gacl;
682 gpfs_aclLen_t gacl_len;
683 struct SMB4ACE_T *smbace;
684
685 gacl_len = offsetof(gpfs_acl_t, ace_v4) + sizeof(unsigned int)
686 + smb_get_naces(smbacl) * sizeof(gpfs_ace_v4_t);
687
688 gacl = (struct gpfs_acl *)TALLOC_SIZE(mem_ctx, gacl_len);
689 if (gacl == NULL) {
690 DEBUG(0, ("talloc failed\n"));
691 errno = ENOMEM;
692 return NULL;
693 }
694
695 gacl->acl_level = GPFS_ACL_LEVEL_BASE;
696 gacl->acl_version = GPFS_ACL_VERSION_NFS4;
697 gacl->acl_type = GPFS_ACL_TYPE_NFS4;
698 gacl->acl_nace = 0; /* change later... */
699
700 if (controlflags) {
701 gacl->acl_level = GPFS_ACL_LEVEL_V4FLAGS;
702 sd2gpfs_control(smbacl4_get_controlflags(smbacl), gacl);
703 }
704
705 for (smbace=smb_first_ace4(smbacl); smbace!=NULL; smbace = smb_next_ace4(smbace)) {
706 struct gpfs_ace_v4 *gace = gpfs_ace_ptr(gacl, gacl->acl_nace);
707 SMB_ACE4PROP_T *aceprop = smb_get_ace4(smbace);
708
709 gace->aceType = aceprop->aceType;
710 gace->aceFlags = aceprop->aceFlags;
711 gace->aceMask = aceprop->aceMask;
712
713 /*
714 * GPFS can't distinguish between WRITE and APPEND on
715 * files, so one being set without the other is an
716 * error. Sorry for the many ()'s :-)
717 */
718
719 if (!fsp->is_directory
720 &&
721 ((((gace->aceMask & ACE4_MASK_WRITE) == 0)
722 && ((gace->aceMask & ACE4_MASK_APPEND) != 0))
723 ||
724 (((gace->aceMask & ACE4_MASK_WRITE) != 0)
725 && ((gace->aceMask & ACE4_MASK_APPEND) == 0)))
726 &&
727 lp_parm_bool(fsp->conn->params->service, "gpfs",
728 "merge_writeappend", True)) {
729 DEBUG(2, ("vfs_gpfs.c: file [%s]: ACE contains "
730 "WRITE^APPEND, setting WRITE|APPEND\n",
731 fsp_str_dbg(fsp)));
732 gace->aceMask |= ACE4_MASK_WRITE|ACE4_MASK_APPEND;
733 }
734
735 gace->aceIFlags = (aceprop->flags&SMB_ACE4_ID_SPECIAL) ? ACE4_IFLAG_SPECIAL_ID : 0;
736
737 if (aceprop->flags&SMB_ACE4_ID_SPECIAL)
738 {
739 switch(aceprop->who.special_id)
740 {
741 case SMB_ACE4_WHO_EVERYONE:
742 gace->aceWho = ACE4_SPECIAL_EVERYONE;
743 break;
744 case SMB_ACE4_WHO_OWNER:
745 gace->aceWho = ACE4_SPECIAL_OWNER;
746 break;
747 case SMB_ACE4_WHO_GROUP:
748 gace->aceWho = ACE4_SPECIAL_GROUP;
749 break;
750 default:
751 DEBUG(8, ("unsupported special_id %d\n", aceprop->who.special_id));
752 continue; /* don't add it !!! */
753 }
754 } else {
755 /* just only for the type safety... */
756 if (aceprop->aceFlags&SMB_ACE4_IDENTIFIER_GROUP)
757 gace->aceWho = aceprop->who.gid;
758 else
759 gace->aceWho = aceprop->who.uid;
760 }
761
762 gacl->acl_nace++;
763 }
764 gacl->acl_len = (char *)gpfs_ace_ptr(gacl, gacl->acl_nace)
765 - (char *)gacl;
766 return gacl;
767 }
768
769 static bool gpfsacl_process_smbacl(vfs_handle_struct *handle,
770 files_struct *fsp,
771 struct SMB4ACL_T *smbacl)
772 {
773 int ret;
774 struct gpfs_acl *gacl;
775 TALLOC_CTX *mem_ctx = talloc_tos();
776
777 gacl = vfs_gpfs_smbacl2gpfsacl(mem_ctx, fsp, smbacl, true);
778 if (gacl == NULL) { /* out of memory */
779 return False;
780 }
781 ret = gpfswrap_putacl(fsp->fsp_name->base_name,
782 GPFS_PUTACL_STRUCT | GPFS_ACL_SAMBA, gacl);
783
784 if ((ret != 0) && (errno == EINVAL)) {
785 DEBUG(10, ("Retry without nfs41 control flags\n"));
786 talloc_free(gacl);
787 gacl = vfs_gpfs_smbacl2gpfsacl(mem_ctx, fsp, smbacl, false);
788 if (gacl == NULL) { /* out of memory */
789 return False;
790 }
791 ret = gpfswrap_putacl(fsp->fsp_name->base_name,
792 GPFS_PUTACL_STRUCT | GPFS_ACL_SAMBA,
793 gacl);
794 }
795
796 if (ret != 0) {
797 DEBUG(8, ("gpfs_putacl failed with %s\n", strerror(errno)));
798 gpfs_dumpacl(8, gacl);
799 return False;
800 }
801
802 DEBUG(10, ("gpfs_putacl succeeded\n"));
803 return True;
804 }
805
806 static NTSTATUS gpfsacl_set_nt_acl_internal(vfs_handle_struct *handle, files_struct *fsp, uint32_t security_info_sent, const struct security_descriptor *psd)
807 {
808 struct gpfs_acl *acl;
809 NTSTATUS result = NT_STATUS_ACCESS_DENIED;
810
811 acl = (struct gpfs_acl*) vfs_gpfs_getacl(talloc_tos(),
812 fsp->fsp_name->base_name,
813 false, 0);
814 if (acl == NULL) {
815 return map_nt_error_from_unix(errno);
816 }
817
818 if (acl->acl_version == GPFS_ACL_VERSION_NFS4) {
819 struct gpfs_config_data *config;
820
821 if (lp_parm_bool(fsp->conn->params->service, "gpfs",
822 "refuse_dacl_protected", false)
823 && (psd->type&SEC_DESC_DACL_PROTECTED)) {
824 DEBUG(2, ("Rejecting unsupported ACL with DACL_PROTECTED bit set\n"));
825 talloc_free(acl);
826 return NT_STATUS_NOT_SUPPORTED;
827 }
828
829 SMB_VFS_HANDLE_GET_DATA(handle, config,
830 struct gpfs_config_data,
831 return NT_STATUS_INTERNAL_ERROR);
832
833 result = smb_set_nt_acl_nfs4(handle,
834 fsp, &config->nfs4_params, security_info_sent, psd,
835 gpfsacl_process_smbacl);
836 } else { /* assume POSIX ACL - by default... */
837 result = set_nt_acl(fsp, security_info_sent, psd);
838 }
839
840 talloc_free(acl);
841 return result;
842 }
843
844 static NTSTATUS gpfsacl_fset_nt_acl(vfs_handle_struct *handle, files_struct *fsp, uint32_t security_info_sent, const struct security_descriptor *psd)
845 {
846 struct gpfs_config_data *config;
847
848 SMB_VFS_HANDLE_GET_DATA(handle, config,
849 struct gpfs_config_data,
850 return NT_STATUS_INTERNAL_ERROR);
851
852 if (!config->acl) {
853 return SMB_VFS_NEXT_FSET_NT_ACL(handle, fsp, security_info_sent, psd);
854 }
855
856 return gpfsacl_set_nt_acl_internal(handle, fsp, security_info_sent, psd);
857 }
858
859 static SMB_ACL_T gpfs2smb_acl(const struct gpfs_acl *pacl, TALLOC_CTX *mem_ctx)
860 {
861 SMB_ACL_T result;
862 gpfs_aclCount_t i;
863
864 result = sys_acl_init(mem_ctx);
865 if (result == NULL) {
866 errno = ENOMEM;
867 return NULL;
868 }
869
870 result->count = pacl->acl_nace;
871 result->acl = talloc_realloc(result, result->acl, struct smb_acl_entry,
872 result->count);
873 if (result->acl == NULL) {
874 TALLOC_FREE(result);
875 errno = ENOMEM;
876 return NULL;
877 }
878
879 for (i=0; i<pacl->acl_nace; i++) {
880 struct smb_acl_entry *ace = &result->acl[i];
881 const struct gpfs_ace_v1 *g_ace = &pacl->ace_v1[i];
882
883 DEBUG(10, ("Converting type %d id %lu perm %x\n",
884 (int)g_ace->ace_type, (unsigned long)g_ace->ace_who,
885 (int)g_ace->ace_perm));
886
887 switch (g_ace->ace_type) {
888 case GPFS_ACL_USER:
889 ace->a_type = SMB_ACL_USER;
890 ace->info.user.uid = (uid_t)g_ace->ace_who;
891 break;
892 case GPFS_ACL_USER_OBJ:
893 ace->a_type = SMB_ACL_USER_OBJ;
894 break;
895 case GPFS_ACL_GROUP:
896 ace->a_type = SMB_ACL_GROUP;
897 ace->info.group.gid = (gid_t)g_ace->ace_who;
898 break;
899 case GPFS_ACL_GROUP_OBJ:
900 ace->a_type = SMB_ACL_GROUP_OBJ;
901 break;
902 case GPFS_ACL_OTHER:
903 ace->a_type = SMB_ACL_OTHER;
904 break;
905 case GPFS_ACL_MASK:
906 ace->a_type = SMB_ACL_MASK;
907 break;
908 default:
909 DEBUG(10, ("Got invalid ace_type: %d\n",
910 g_ace->ace_type));
911 TALLOC_FREE(result);
912 errno = EINVAL;
913 return NULL;
914 }
915
916 ace->a_perm = 0;
917 ace->a_perm |= (g_ace->ace_perm & ACL_PERM_READ) ?
918 SMB_ACL_READ : 0;
919 ace->a_perm |= (g_ace->ace_perm & ACL_PERM_WRITE) ?
920 SMB_ACL_WRITE : 0;
921 ace->a_perm |= (g_ace->ace_perm & ACL_PERM_EXECUTE) ?
922 SMB_ACL_EXECUTE : 0;
923
924 DEBUGADD(10, ("Converted to %d perm %x\n",
925 ace->a_type, ace->a_perm));
926 }
927
928 return result;
929 }
930
931 static SMB_ACL_T gpfsacl_get_posix_acl(const char *path, gpfs_aclType_t type,
932 TALLOC_CTX *mem_ctx)
933 {
934 struct gpfs_acl *pacl;
935 SMB_ACL_T result = NULL;
936
937 pacl = vfs_gpfs_getacl(talloc_tos(), path, false, type);
938
939 if (pacl == NULL) {
940 DEBUG(10, ("vfs_gpfs_getacl failed for %s with %s\n",
941 path, strerror(errno)));
942 if (errno == 0) {
943 errno = EINVAL;
944 }
945 goto done;
946 }
947
948 if (pacl->acl_version != GPFS_ACL_VERSION_POSIX) {
949 DEBUG(10, ("Got acl version %d, expected %d\n",
950 pacl->acl_version, GPFS_ACL_VERSION_POSIX));
951 errno = EINVAL;
952 goto done;
953 }
954
955 DEBUG(10, ("len: %d, level: %d, version: %d, nace: %d\n",
956 pacl->acl_len, pacl->acl_level, pacl->acl_version,
957 pacl->acl_nace));
958
959 result = gpfs2smb_acl(pacl, mem_ctx);
960 if (result != NULL) {
961 errno = 0;
962 }
963
964 done:
965
966 if (pacl != NULL) {
967 talloc_free(pacl);
968 }
969 if (errno != 0) {
970 TALLOC_FREE(result);
971 }
972 return result;
973 }
974
975 static SMB_ACL_T gpfsacl_sys_acl_get_file(vfs_handle_struct *handle,
976 const struct smb_filename *smb_fname,
977 SMB_ACL_TYPE_T type,
978 TALLOC_CTX *mem_ctx)
979 {
980 gpfs_aclType_t gpfs_type;
981 struct gpfs_config_data *config;
982
983 SMB_VFS_HANDLE_GET_DATA(handle, config,
984 struct gpfs_config_data,
985 return NULL);
986
987 if (!config->acl) {
988 return SMB_VFS_NEXT_SYS_ACL_GET_FILE(handle, smb_fname,
989 type, mem_ctx);
990 }
991
992 switch(type) {
993 case SMB_ACL_TYPE_ACCESS:
994 gpfs_type = GPFS_ACL_TYPE_ACCESS;
995 break;
996 case SMB_ACL_TYPE_DEFAULT:
997 gpfs_type = GPFS_ACL_TYPE_DEFAULT;
998 break;
999 default:
1000 DEBUG(0, ("Got invalid type: %d\n", type));
1001 smb_panic("exiting");
1002 }
1003
1004 return gpfsacl_get_posix_acl(smb_fname->base_name, gpfs_type, mem_ctx);
1005 }
1006
1007 static SMB_ACL_T gpfsacl_sys_acl_get_fd(vfs_handle_struct *handle,
1008 files_struct *fsp,
1009 TALLOC_CTX *mem_ctx)
1010 {
1011 struct gpfs_config_data *config;
1012
1013 SMB_VFS_HANDLE_GET_DATA(handle, config,
1014 struct gpfs_config_data,
1015 return NULL);
1016
1017 if (!config->acl) {
1018 return SMB_VFS_NEXT_SYS_ACL_GET_FD(handle, fsp, mem_ctx);
1019 }
1020
1021 return gpfsacl_get_posix_acl(fsp->fsp_name->base_name,
1022 GPFS_ACL_TYPE_ACCESS, mem_ctx);
1023 }
1024
1025 static int gpfsacl_sys_acl_blob_get_file(vfs_handle_struct *handle,
1026 const struct smb_filename *smb_fname,
1027 TALLOC_CTX *mem_ctx,
1028 char **blob_description,
1029 DATA_BLOB *blob)
1030 {
1031 struct gpfs_config_data *config;
1032 struct gpfs_opaque_acl *acl = NULL;
1033 DATA_BLOB aclblob;
1034 int result;
1035 const char *path_p = smb_fname->base_name;
1036
1037 SMB_VFS_HANDLE_GET_DATA(handle, config,
1038 struct gpfs_config_data,
1039 return -1);
1040
1041 if (!config->acl) {
1042 return SMB_VFS_NEXT_SYS_ACL_BLOB_GET_FILE(handle, smb_fname,
1043 mem_ctx,
1044 blob_description,
1045 blob);
1046 }
1047
1048 errno = 0;
1049 acl = (struct gpfs_opaque_acl *)
1050 vfs_gpfs_getacl(mem_ctx,
1051 path_p,
1052 true,
1053 GPFS_ACL_TYPE_NFS4);
1054
1055 if (errno) {
1056 DEBUG(5, ("vfs_gpfs_getacl finished with errno %d: %s\n",
1057 errno, strerror(errno)));
1058
1059 /* EINVAL means POSIX ACL, bail out on other cases */
1060 if (errno != EINVAL) {
1061 return -1;
1062 }
1063 }
1064
1065 if (acl != NULL) {
1066 /*
1067 * file has NFSv4 ACL
1068 *
1069 * we only need the actual ACL blob here
1070 * acl_version will always be NFS4 because we asked
1071 * for NFS4
1072 * acl_type is only used for POSIX ACLs
1073 */
1074 aclblob.data = (uint8_t*) acl->acl_var_data;
1075 aclblob.length = acl->acl_buffer_len;
1076
1077 *blob_description = talloc_strdup(mem_ctx, "gpfs_nfs4_acl");
1078 if (!*blob_description) {
1079 talloc_free(acl);
1080 errno = ENOMEM;
1081 return -1;
1082 }
1083
1084 result = non_posix_sys_acl_blob_get_file_helper(handle, smb_fname,
1085 aclblob,
1086 mem_ctx, blob);
1087
1088 talloc_free(acl);
1089 return result;
1090 }
1091
1092 /* fall back to POSIX ACL */
1093 return posix_sys_acl_blob_get_file(handle, smb_fname, mem_ctx,
1094 blob_description, blob);
1095 }
1096
1097 static int gpfsacl_sys_acl_blob_get_fd(vfs_handle_struct *handle,
1098 files_struct *fsp,
1099 TALLOC_CTX *mem_ctx,
1100 char **blob_description,
1101 DATA_BLOB *blob)
1102 {
1103 struct gpfs_config_data *config;
1104 struct gpfs_opaque_acl *acl = NULL;
1105 DATA_BLOB aclblob;
1106 int result;
1107
1108 SMB_VFS_HANDLE_GET_DATA(handle, config,
1109 struct gpfs_config_data,
1110 return -1);
1111
1112 if (!config->acl) {
1113 return SMB_VFS_NEXT_SYS_ACL_BLOB_GET_FD(handle, fsp, mem_ctx,
1114 blob_description, blob);
1115 }
1116
1117 errno = 0;
1118 acl = (struct gpfs_opaque_acl *) vfs_gpfs_getacl(mem_ctx,
1119 fsp->fsp_name->base_name,
1120 true,
1121 GPFS_ACL_TYPE_NFS4);
1122
1123 if (errno) {
1124 DEBUG(5, ("vfs_gpfs_getacl finished with errno %d: %s\n",
1125 errno, strerror(errno)));
1126
1127 /* EINVAL means POSIX ACL, bail out on other cases */
1128 if (errno != EINVAL) {
1129 return -1;
1130 }
1131 }
1132
1133 if (acl != NULL) {
1134 /*
1135 * file has NFSv4 ACL
1136 *
1137 * we only need the actual ACL blob here
1138 * acl_version will always be NFS4 because we asked
1139 * for NFS4
1140 * acl_type is only used for POSIX ACLs
1141 */
1142 aclblob.data = (uint8_t*) acl->acl_var_data;
1143 aclblob.length = acl->acl_buffer_len;
1144
1145 *blob_description = talloc_strdup(mem_ctx, "gpfs_nfs4_acl");
1146 if (!*blob_description) {
1147 talloc_free(acl);
1148 errno = ENOMEM;
1149 return -1;
1150 }
1151
1152 result = non_posix_sys_acl_blob_get_fd_helper(handle, fsp,
1153 aclblob, mem_ctx,
1154 blob);
1155
1156 talloc_free(acl);
1157 return result;
1158 }
1159
1160 /* fall back to POSIX ACL */
1161 return posix_sys_acl_blob_get_fd(handle, fsp, mem_ctx,
1162 blob_description, blob);
1163 }
1164
1165 static struct gpfs_acl *smb2gpfs_acl(const SMB_ACL_T pacl,
1166 SMB_ACL_TYPE_T type)
1167 {
1168 gpfs_aclLen_t len;
1169 struct gpfs_acl *result;
1170 int i;
1171
1172 DEBUG(10, ("smb2gpfs_acl: Got ACL with %d entries\n", pacl->count));
1173
1174 len = offsetof(gpfs_acl_t, ace_v1) + (pacl->count) *
1175 sizeof(gpfs_ace_v1_t);
1176
1177 result = (struct gpfs_acl *)SMB_MALLOC(len);
1178 if (result == NULL) {
1179 errno = ENOMEM;
1180 return result;
1181 }
1182
1183 result->acl_len = len;
1184 result->acl_level = 0;
1185 result->acl_version = GPFS_ACL_VERSION_POSIX;
1186 result->acl_type = (type == SMB_ACL_TYPE_DEFAULT) ?
1187 GPFS_ACL_TYPE_DEFAULT : GPFS_ACL_TYPE_ACCESS;
1188 result->acl_nace = pacl->count;
1189
1190 for (i=0; i<pacl->count; i++) {
1191 const struct smb_acl_entry *ace = &pacl->acl[i];
1192 struct gpfs_ace_v1 *g_ace = &result->ace_v1[i];
1193
1194 DEBUG(10, ("Converting type %d perm %x\n",
1195 (int)ace->a_type, (int)ace->a_perm));
1196
1197 g_ace->ace_perm = 0;
1198
1199 switch(ace->a_type) {
1200 case SMB_ACL_USER:
1201 g_ace->ace_type = GPFS_ACL_USER;
1202 g_ace->ace_who = (gpfs_uid_t)ace->info.user.uid;
1203 break;
1204 case SMB_ACL_USER_OBJ:
1205 g_ace->ace_type = GPFS_ACL_USER_OBJ;
1206 g_ace->ace_perm |= ACL_PERM_CONTROL;
1207 g_ace->ace_who = 0;
1208 break;
1209 case SMB_ACL_GROUP:
1210 g_ace->ace_type = GPFS_ACL_GROUP;
1211 g_ace->ace_who = (gpfs_uid_t)ace->info.group.gid;
1212 break;
1213 case SMB_ACL_GROUP_OBJ:
1214 g_ace->ace_type = GPFS_ACL_GROUP_OBJ;
1215 g_ace->ace_who = 0;
1216 break;
1217 case SMB_ACL_MASK:
1218 g_ace->ace_type = GPFS_ACL_MASK;
1219 g_ace->ace_perm = 0x8f;
1220 g_ace->ace_who = 0;
1221 break;
1222 case SMB_ACL_OTHER:
1223 g_ace->ace_type = GPFS_ACL_OTHER;
1224 g_ace->ace_who = 0;
1225 break;
1226 default:
1227 DEBUG(10, ("Got invalid ace_type: %d\n", ace->a_type));
1228 errno = EINVAL;
1229 SAFE_FREE(result);
1230 return NULL;
1231 }
1232
1233 g_ace->ace_perm |= (ace->a_perm & SMB_ACL_READ) ?
1234 ACL_PERM_READ : 0;
1235 g_ace->ace_perm |= (ace->a_perm & SMB_ACL_WRITE) ?
1236 ACL_PERM_WRITE : 0;
1237 g_ace->ace_perm |= (ace->a_perm & SMB_ACL_EXECUTE) ?
1238 ACL_PERM_EXECUTE : 0;
1239
1240 DEBUGADD(10, ("Converted to %d id %d perm %x\n",
1241 g_ace->ace_type, g_ace->ace_who, g_ace->ace_perm));
1242 }
1243
1244 return result;
1245 }
1246
1247 static int gpfsacl_sys_acl_set_file(vfs_handle_struct *handle,
1248 const struct smb_filename *smb_fname,
1249 SMB_ACL_TYPE_T type,
1250 SMB_ACL_T theacl)
1251 {
1252 struct gpfs_acl *gpfs_acl;
1253 int result;
1254 struct gpfs_config_data *config;
1255
1256 SMB_VFS_HANDLE_GET_DATA(handle, config,
1257 struct gpfs_config_data,
1258 return -1);
1259
1260 if (!config->acl) {
1261 return SMB_VFS_NEXT_SYS_ACL_SET_FILE(handle, smb_fname,
1262 type, theacl);
1263 }
1264
1265 gpfs_acl = smb2gpfs_acl(theacl, type);
1266 if (gpfs_acl == NULL) {
1267 return -1;
1268 }
1269
1270 result = gpfswrap_putacl(discard_const_p(char, smb_fname->base_name),
1271 GPFS_PUTACL_STRUCT|GPFS_ACL_SAMBA, gpfs_acl);
1272
1273 SAFE_FREE(gpfs_acl);
1274 return result;
1275 }
1276
1277 static int gpfsacl_sys_acl_set_fd(vfs_handle_struct *handle,
1278 files_struct *fsp,
1279 SMB_ACL_T theacl)
1280 {
1281 struct gpfs_config_data *config;
1282
1283 SMB_VFS_HANDLE_GET_DATA(handle, config,
1284 struct gpfs_config_data,
1285 return -1);
1286
1287 if (!config->acl) {
1288 return SMB_VFS_NEXT_SYS_ACL_SET_FD(handle, fsp, theacl);
1289 }
1290
1291 return gpfsacl_sys_acl_set_file(handle, fsp->fsp_name,
1292 SMB_ACL_TYPE_ACCESS, theacl);
1293 }
1294
1295 static int gpfsacl_sys_acl_delete_def_file(vfs_handle_struct *handle,
1296 const struct smb_filename *smb_fname)
1297 {
1298 struct gpfs_config_data *config;
1299
1300 SMB_VFS_HANDLE_GET_DATA(handle, config,
1301 struct gpfs_config_data,
1302 return -1);
1303
1304 if (!config->acl) {
1305 return SMB_VFS_NEXT_SYS_ACL_DELETE_DEF_FILE(handle, smb_fname);
1306 }
1307
1308 errno = ENOTSUP;
1309 return -1;
1310 }
1311
1312 /*
1313 * Assumed: mode bits are shiftable and standard
1314 * Output: the new aceMask field for an smb nfs4 ace
1315 */
1316 static uint32_t gpfsacl_mask_filter(uint32_t aceType, uint32_t aceMask, uint32_t rwx)
1317 {
1318 const uint32_t posix_nfs4map[3] = {
1319 SMB_ACE4_EXECUTE, /* execute */
1320 SMB_ACE4_WRITE_DATA | SMB_ACE4_APPEND_DATA, /* write; GPFS specific */
1321 SMB_ACE4_READ_DATA /* read */
1322 };
1323 int i;
1324 uint32_t posix_mask = 0x01;
1325 uint32_t posix_bit;
1326 uint32_t nfs4_bits;
1327
1328 for(i=0; i<3; i++) {
1329 nfs4_bits = posix_nfs4map[i];
1330 posix_bit = rwx & posix_mask;
1331
1332 if (aceType==SMB_ACE4_ACCESS_ALLOWED_ACE_TYPE) {
1333 if (posix_bit)
1334 aceMask |= nfs4_bits;
1335 else
1336 aceMask &= ~nfs4_bits;
1337 } else {
1338 /* add deny bits when suitable */
1339 if (!posix_bit)
1340 aceMask |= nfs4_bits;
1341 else
1342 aceMask &= ~nfs4_bits;
1343 } /* other ace types are unexpected */
1344
1345 posix_mask <<= 1;
1346 }
1347
1348 return aceMask;
1349 }
1350
1351 static int gpfsacl_emu_chmod(vfs_handle_struct *handle,
1352 const char *path, mode_t mode)
1353 {
1354 struct SMB4ACL_T *pacl = NULL;
1355 int result;
1356 bool haveAllowEntry[SMB_ACE4_WHO_EVERYONE + 1] = {False, False, False, False};
1357 int i;
1358 files_struct fake_fsp = { 0 }; /* TODO: rationalize parametrization */
1359 struct SMB4ACE_T *smbace;
1360 TALLOC_CTX *frame = talloc_stackframe();
1361
1362 DEBUG(10, ("gpfsacl_emu_chmod invoked for %s mode %o\n", path, mode));
1363
1364 result = gpfs_get_nfs4_acl(frame, path, &pacl);
1365 if (result) {
1366 TALLOC_FREE(frame);
1367 return result;
1368 }
1369
1370 if (mode & ~(S_IRWXU | S_IRWXG | S_IRWXO)) {
1371 DEBUG(2, ("WARNING: cutting extra mode bits %o on %s\n", mode, path));
1372 }
1373
1374 for (smbace=smb_first_ace4(pacl); smbace!=NULL; smbace = smb_next_ace4(smbace)) {
1375 SMB_ACE4PROP_T *ace = smb_get_ace4(smbace);
1376 uint32_t specid = ace->who.special_id;
1377
1378 if (ace->flags&SMB_ACE4_ID_SPECIAL &&
1379 ace->aceType<=SMB_ACE4_ACCESS_DENIED_ACE_TYPE &&
1380 specid <= SMB_ACE4_WHO_EVERYONE) {
1381
1382 uint32_t newMask;
1383
1384 if (ace->aceType==SMB_ACE4_ACCESS_ALLOWED_ACE_TYPE)
1385 haveAllowEntry[specid] = True;
1386
1387 /* mode >> 6 for @owner, mode >> 3 for @group,
1388 * mode >> 0 for @everyone */
1389 newMask = gpfsacl_mask_filter(ace->aceType, ace->aceMask,
1390 mode >> ((SMB_ACE4_WHO_EVERYONE - specid) * 3));
1391 if (ace->aceMask!=newMask) {
1392 DEBUG(10, ("ace changed for %s (%o -> %o) id=%d\n",
1393 path, ace->aceMask, newMask, specid));
1394 }
1395 ace->aceMask = newMask;
1396 }
1397 }
1398
1399 /* make sure we have at least ALLOW entries
1400 * for all the 3 special ids (@EVERYONE, @OWNER, @GROUP)
1401 * - if necessary
1402 */
1403 for(i = SMB_ACE4_WHO_OWNER; i<=SMB_ACE4_WHO_EVERYONE; i++) {
1404 SMB_ACE4PROP_T ace = { 0 };
1405
1406 if (haveAllowEntry[i]==True)
1407 continue;
1408
1409 ace.aceType = SMB_ACE4_ACCESS_ALLOWED_ACE_TYPE;
1410 ace.flags |= SMB_ACE4_ID_SPECIAL;
1411 ace.who.special_id = i;
1412
1413 if (i==SMB_ACE4_WHO_GROUP) /* not sure it's necessary... */
1414 ace.aceFlags |= SMB_ACE4_IDENTIFIER_GROUP;
1415
1416 ace.aceMask = gpfsacl_mask_filter(ace.aceType, ace.aceMask,
1417 mode >> ((SMB_ACE4_WHO_EVERYONE - i) * 3));
1418
1419 /* don't add unnecessary aces */
1420 if (!ace.aceMask)
1421 continue;
1422
1423 /* we add it to the END - as windows expects allow aces */
1424 smb_add_ace4(pacl, &ace);
1425 DEBUG(10, ("Added ALLOW ace for %s, mode=%o, id=%d, aceMask=%x\n",
1426 path, mode, i, ace.aceMask));
1427 }
1428
1429 /* don't add complementary DENY ACEs here */
1430 fake_fsp.fsp_name = synthetic_smb_fname(
1431 frame, path, NULL, NULL, 0);
1432 if (fake_fsp.fsp_name == NULL) {
1433 errno = ENOMEM;
1434 TALLOC_FREE(frame);
1435 return -1;
1436 }
1437 /* put the acl */
1438 if (gpfsacl_process_smbacl(handle, &fake_fsp, pacl) == False) {
1439 TALLOC_FREE(frame);
1440 return -1;
1441 }
1442
1443 TALLOC_FREE(frame);
1444 return 0; /* ok for [f]chmod */
1445 }
1446
1447 static int vfs_gpfs_chmod(vfs_handle_struct *handle,
1448 const struct smb_filename *smb_fname,
1449 mode_t mode)
1450 {
1451 struct smb_filename *smb_fname_cpath;
1452 int rc;
1453
1454 smb_fname_cpath = cp_smb_filename(talloc_tos(), smb_fname);
1455 if (smb_fname_cpath == NULL) {
1456 errno = ENOMEM;
1457 return -1;
1458 }
1459
1460 if (SMB_VFS_NEXT_STAT(handle, smb_fname_cpath) != 0) {
1461 TALLOC_FREE(smb_fname_cpath);
1462 return -1;
1463 }
1464
1465 /* avoid chmod() if possible, to preserve acls */
1466 if ((smb_fname_cpath->st.st_ex_mode & ~S_IFMT) == mode) {
1467 TALLOC_FREE(smb_fname_cpath);
1468 return 0;
1469 }
1470
1471 rc = gpfsacl_emu_chmod(handle, smb_fname->base_name, mode);
1472 if (rc == 1)
1473 return SMB_VFS_NEXT_CHMOD(handle, smb_fname, mode);
1474
1475 TALLOC_FREE(smb_fname_cpath);
1476 return rc;
1477 }
1478
1479 static int vfs_gpfs_fchmod(vfs_handle_struct *handle, files_struct *fsp, mode_t mode)
1480 {
1481 SMB_STRUCT_STAT st;
1482 int rc;
1483
1484 if (SMB_VFS_NEXT_FSTAT(handle, fsp, &st) != 0) {
1485 return -1;
1486 }
1487
1488 /* avoid chmod() if possible, to preserve acls */
1489 if ((st.st_ex_mode & ~S_IFMT) == mode) {
1490 return 0;
1491 }
1492
1493 rc = gpfsacl_emu_chmod(handle, fsp->fsp_name->base_name,
1494 mode);
1495 if (rc == 1)
1496 return SMB_VFS_NEXT_FCHMOD(handle, fsp, mode);
1497 return rc;
1498 }
1499
1500 static uint32_t vfs_gpfs_winattrs_to_dosmode(unsigned int winattrs)
1501 {
1502 uint32_t dosmode = 0;
1503
1504 if (winattrs & GPFS_WINATTR_ARCHIVE){
1505 dosmode |= FILE_ATTRIBUTE_ARCHIVE;
1506 }
1507 if (winattrs & GPFS_WINATTR_HIDDEN){
1508 dosmode |= FILE_ATTRIBUTE_HIDDEN;
1509 }
1510 if (winattrs & GPFS_WINATTR_SYSTEM){
1511 dosmode |= FILE_ATTRIBUTE_SYSTEM;
1512 }
1513 if (winattrs & GPFS_WINATTR_READONLY){
1514 dosmode |= FILE_ATTRIBUTE_READONLY;
1515 }
1516 if (winattrs & GPFS_WINATTR_SPARSE_FILE) {
1517 dosmode |= FILE_ATTRIBUTE_SPARSE;
1518 }
1519 if (winattrs & GPFS_WINATTR_OFFLINE) {
1520 dosmode |= FILE_ATTRIBUTE_OFFLINE;
1521 }
1522
1523 return dosmode;
1524 }
1525
1526 static unsigned int vfs_gpfs_dosmode_to_winattrs(uint32_t dosmode)
1527 {
1528 unsigned int winattrs = 0;
1529
1530 if (dosmode & FILE_ATTRIBUTE_ARCHIVE){
1531 winattrs |= GPFS_WINATTR_ARCHIVE;
1532 }
1533 if (dosmode & FILE_ATTRIBUTE_HIDDEN){
1534 winattrs |= GPFS_WINATTR_HIDDEN;
1535 }
1536 if (dosmode & FILE_ATTRIBUTE_SYSTEM){
1537 winattrs |= GPFS_WINATTR_SYSTEM;
1538 }
1539 if (dosmode & FILE_ATTRIBUTE_READONLY){
1540 winattrs |= GPFS_WINATTR_READONLY;
1541 }
1542 if (dosmode & FILE_ATTRIBUTE_SPARSE) {
1543 winattrs |= GPFS_WINATTR_SPARSE_FILE;
1544 }
1545 if (dosmode & FILE_ATTRIBUTE_OFFLINE) {
1546 winattrs |= GPFS_WINATTR_OFFLINE;
1547 }
1548
1549 return winattrs;
1550 }
1551
1552 static int get_dos_attr_with_capability(struct smb_filename *smb_fname,
1553 struct gpfs_winattr *attr)
1554 {
1555 int saved_errno = 0;
1556 int ret;
1557
1558 /*
1559 * According to MS-FSA 2.1.5.1.2.1 "Algorithm to Check Access to an
1560 * Existing File" FILE_LIST_DIRECTORY on a directory implies
1561 * FILE_READ_ATTRIBUTES for directory entries. Being able to stat() a
1562 * file implies FILE_LIST_DIRECTORY for the directory containing the
1563 * file.
1564 */
1565
1566 if (!VALID_STAT(smb_fname->st)) {
1567 /*
1568 * Safety net: dos_mode() already checks this, but as we set
1569 * DAC_OVERRIDE_CAPABILITY based on this, add an additional
1570 * layer of defense.
1571 */
1572 DBG_ERR("Rejecting DAC override, invalid stat [%s]\n",
1573 smb_fname_str_dbg(smb_fname));
1574 errno = EACCES;
1575 return -1;
1576 }
1577
1578 set_effective_capability(DAC_OVERRIDE_CAPABILITY);
1579
1580 ret = gpfswrap_get_winattrs_path(smb_fname->base_name, attr);
1581 if (ret == -1) {
1582 saved_errno = errno;
1583 }
1584
1585 drop_effective_capability(DAC_OVERRIDE_CAPABILITY);
1586
1587 if (saved_errno != 0) {
1588 errno = saved_errno;
1589 }
1590 return ret;
1591 }
1592
1593 static NTSTATUS vfs_gpfs_get_dos_attributes(struct vfs_handle_struct *handle,
1594 struct smb_filename *smb_fname,
1595 uint32_t *dosmode)
1596 {
1597 struct gpfs_config_data *config;
1598 struct gpfs_winattr attrs = { };
1599 int ret;
1600
1601 SMB_VFS_HANDLE_GET_DATA(handle, config,
1602 struct gpfs_config_data,
1603 return NT_STATUS_INTERNAL_ERROR);
1604
1605 if (!config->winattr) {
1606 return SMB_VFS_NEXT_GET_DOS_ATTRIBUTES(handle,
1607 smb_fname, dosmode);
1608 }
1609
1610 ret = gpfswrap_get_winattrs_path(smb_fname->base_name, &attrs);
1611 if (ret == -1 && errno == ENOSYS) {
1612 return SMB_VFS_NEXT_GET_DOS_ATTRIBUTES(handle, smb_fname,
1613 dosmode);
1614 }
1615 if (ret == -1 && errno == EACCES) {
1616 ret = get_dos_attr_with_capability(smb_fname, &attrs);
1617 }
1618
1619 if (ret == -1 && errno == EBADF) {
1620 /*
1621 * Returned for directory listings in gpfs root for
1622 * .. entry which steps out of gpfs.
1623 */
1624 DBG_DEBUG("Getting winattrs for %s returned EBADF.\n",
1625 smb_fname->base_name);
1626 return map_nt_error_from_unix(errno);
1627 } else if (ret == -1) {
1628 DBG_WARNING("Getting winattrs failed for %s: %s\n",
1629 smb_fname->base_name, strerror(errno));
1630 return map_nt_error_from_unix(errno);
1631 }
1632
1633 *dosmode |= vfs_gpfs_winattrs_to_dosmode(attrs.winAttrs);
1634 smb_fname->st.st_ex_calculated_birthtime = false;
1635 smb_fname->st.st_ex_btime.tv_sec = attrs.creationTime.tv_sec;
1636 smb_fname->st.st_ex_btime.tv_nsec = attrs.creationTime.tv_nsec;
1637
1638 return NT_STATUS_OK;
1639 }
1640
1641 static NTSTATUS vfs_gpfs_fget_dos_attributes(struct vfs_handle_struct *handle,
1642 struct files_struct *fsp,
1643 uint32_t *dosmode)
1644 {
1645 struct gpfs_config_data *config;
1646 struct gpfs_winattr attrs = { };
1647 int ret;
1648
1649 SMB_VFS_HANDLE_GET_DATA(handle, config,
1650 struct gpfs_config_data,
1651 return NT_STATUS_INTERNAL_ERROR);
1652
1653 if (!config->winattr) {
1654 return SMB_VFS_NEXT_FGET_DOS_ATTRIBUTES(handle, fsp, dosmode);
1655 }
1656
1657 ret = gpfswrap_get_winattrs(fsp->fh->fd, &attrs);
1658 if (ret == -1 && errno == ENOSYS) {
1659 return SMB_VFS_NEXT_FGET_DOS_ATTRIBUTES(handle, fsp, dosmode);
1660 }
1661
1662 if (ret == -1 && errno == EACCES) {
1663 int saved_errno = 0;
1664
1665 /*
1666 * According to MS-FSA 2.1.5.1.2.1 "Algorithm to Check Access to
1667 * an Existing File" FILE_LIST_DIRECTORY on a directory implies
1668 * FILE_READ_ATTRIBUTES for directory entries. Being able to
1669 * open a file implies FILE_LIST_DIRECTORY.
1670 */
1671
1672 set_effective_capability(DAC_OVERRIDE_CAPABILITY);
1673
1674 ret = gpfswrap_get_winattrs(fsp->fh->fd, &attrs);
1675 if (ret == -1) {
1676 saved_errno = errno;
1677 }
1678
1679 drop_effective_capability(DAC_OVERRIDE_CAPABILITY);
1680
1681 if (saved_errno != 0) {
1682 errno = saved_errno;
1683 }
1684 }
1685
1686 if (ret == -1) {
1687 DBG_WARNING("Getting winattrs failed for %s: %s\n",
1688 fsp->fsp_name->base_name, strerror(errno));
1689 return map_nt_error_from_unix(errno);
1690 }
1691
1692 *dosmode |= vfs_gpfs_winattrs_to_dosmode(attrs.winAttrs);
1693 fsp->fsp_name->st.st_ex_calculated_birthtime = false;
1694 fsp->fsp_name->st.st_ex_btime.tv_sec = attrs.creationTime.tv_sec;
1695 fsp->fsp_name->st.st_ex_btime.tv_nsec = attrs.creationTime.tv_nsec;
1696
1697 return NT_STATUS_OK;
1698 }
1699
1700 static NTSTATUS vfs_gpfs_set_dos_attributes(struct vfs_handle_struct *handle,
1701 const struct smb_filename *smb_fname,
1702 uint32_t dosmode)
1703 {
1704 struct gpfs_config_data *config;
1705 struct gpfs_winattr attrs = { };
1706 int ret;
1707
1708 SMB_VFS_HANDLE_GET_DATA(handle, config,
1709 struct gpfs_config_data,
1710 return NT_STATUS_INTERNAL_ERROR);
1711
1712 if (!config->winattr) {
1713 return SMB_VFS_NEXT_SET_DOS_ATTRIBUTES(handle,
1714 smb_fname, dosmode);
1715 }
1716
1717 attrs.winAttrs = vfs_gpfs_dosmode_to_winattrs(dosmode);
1718 ret = gpfswrap_set_winattrs_path(smb_fname->base_name,
1719 GPFS_WINATTR_SET_ATTRS, &attrs);
1720
1721 if (ret == -1 && errno == ENOSYS) {
1722 return SMB_VFS_NEXT_SET_DOS_ATTRIBUTES(handle,
1723 smb_fname, dosmode);
1724 }
1725
1726 if (ret == -1) {
1727 DBG_WARNING("Setting winattrs failed for %s: %s\n",
1728 smb_fname->base_name, strerror(errno));
1729 return map_nt_error_from_unix(errno);
1730 }
1731
1732 return NT_STATUS_OK;
1733 }
1734
1735 static NTSTATUS vfs_gpfs_fset_dos_attributes(struct vfs_handle_struct *handle,
1736 struct files_struct *fsp,
1737 uint32_t dosmode)
1738 {
1739 struct gpfs_config_data *config;
1740 struct gpfs_winattr attrs = { };
1741 int ret;
1742
1743 SMB_VFS_HANDLE_GET_DATA(handle, config,
1744 struct gpfs_config_data,
1745 return NT_STATUS_INTERNAL_ERROR);
1746
1747 if (!config->winattr) {
1748 return SMB_VFS_NEXT_FSET_DOS_ATTRIBUTES(handle, fsp, dosmode);
1749 }
1750
1751 attrs.winAttrs = vfs_gpfs_dosmode_to_winattrs(dosmode);
1752 ret = gpfswrap_set_winattrs(fsp->fh->fd,
1753 GPFS_WINATTR_SET_ATTRS, &attrs);
1754
1755 if (ret == -1 && errno == ENOSYS) {
1756 return SMB_VFS_NEXT_FSET_DOS_ATTRIBUTES(handle, fsp, dosmode);
1757 }
1758
1759 if (ret == -1) {
1760 DBG_WARNING("Setting winattrs failed for %s: %s\n",
1761 fsp->fsp_name->base_name, strerror(errno));
1762 return map_nt_error_from_unix(errno);
1763 }
1764
1765 return NT_STATUS_OK;
1766 }
1767
1768 static int stat_with_capability(struct vfs_handle_struct *handle,
1769 struct smb_filename *smb_fname, int flag)
1770 {
1771 #if defined(HAVE_FSTATAT)
1772 int fd = -1;
1773 bool b;
1774 char *dir_name;
1775 const char *rel_name = NULL;
1776 struct stat st;
1777 int ret = -1;
1778
1779 b = parent_dirname(talloc_tos(), smb_fname->base_name,
1780 &dir_name, &rel_name);
1781 if (!b) {
1782 errno = ENOMEM;
1783 return -1;
1784 }
1785
1786 fd = open(dir_name, O_RDONLY, 0);
1787 TALLOC_FREE(dir_name);
1788 if (fd == -1) {
1789 return -1;
1790 }
1791
1792 set_effective_capability(DAC_OVERRIDE_CAPABILITY);
1793 ret = fstatat(fd, rel_name, &st, flag);
1794 drop_effective_capability(DAC_OVERRIDE_CAPABILITY);
1795
1796 close(fd);
1797
1798 if (ret == 0) {
1799 init_stat_ex_from_stat(
1800 &smb_fname->st, &st,
1801 lp_fake_directory_create_times(SNUM(handle->conn)));
1802 }
1803
1804 return ret;
1805 #else
1806 return -1;
1807 #endif
1808 }
1809
1810 static int vfs_gpfs_stat(struct vfs_handle_struct *handle,
1811 struct smb_filename *smb_fname)
1812 {
1813 int ret;
1814 struct gpfs_config_data *config;
1815
1816 SMB_VFS_HANDLE_GET_DATA(handle, config,
1817 struct gpfs_config_data,
1818 return -1);
1819
1820 ret = SMB_VFS_NEXT_STAT(handle, smb_fname);
1821 if (ret == -1 && errno == EACCES) {
1822 DEBUG(10, ("Trying stat with capability for %s\n",
1823 smb_fname->base_name));
1824 ret = stat_with_capability(handle, smb_fname, 0);
1825 }
1826 return ret;
1827 }
1828
1829 static int vfs_gpfs_lstat(struct vfs_handle_struct *handle,
1830 struct smb_filename *smb_fname)
1831 {
1832 int ret;
1833 struct gpfs_config_data *config;
1834
1835 SMB_VFS_HANDLE_GET_DATA(handle, config,
1836 struct gpfs_config_data,
1837 return -1);
1838
1839 ret = SMB_VFS_NEXT_LSTAT(handle, smb_fname);
1840 if (ret == -1 && errno == EACCES) {
1841 DEBUG(10, ("Trying lstat with capability for %s\n",
1842 smb_fname->base_name));
1843 ret = stat_with_capability(handle, smb_fname,
1844 AT_SYMLINK_NOFOLLOW);
1845 }
1846 return ret;
1847 }
1848
1849 static void timespec_to_gpfs_time(struct timespec ts, gpfs_timestruc_t *gt,
1850 int idx, int *flags)
1851 {
1852 if (!null_timespec(ts)) {
1853 *flags |= 1 << idx;
1854 gt[idx].tv_sec = ts.tv_sec;
1855 gt[idx].tv_nsec = ts.tv_nsec;
1856 DEBUG(10, ("Setting GPFS time %d, flags 0x%x\n", idx, *flags));
1857 }
1858 }
1859
1860 static int smbd_gpfs_set_times_path(char *path, struct smb_file_time *ft)
1861 {
1862 gpfs_timestruc_t gpfs_times[4];
1863 int flags = 0;
1864 int rc;
1865
1866 ZERO_ARRAY(gpfs_times);
1867 timespec_to_gpfs_time(ft->atime, gpfs_times, 0, &flags);
1868 timespec_to_gpfs_time(ft->mtime, gpfs_times, 1, &flags);
1869 /* No good mapping from LastChangeTime to ctime, not storing */
1870 timespec_to_gpfs_time(ft->create_time, gpfs_times, 3, &flags);
1871
1872 if (!flags) {
1873 DEBUG(10, ("nothing to do, return to avoid EINVAL\n"));
1874 return 0;
1875 }
1876
1877 rc = gpfswrap_set_times_path(path, flags, gpfs_times);
1878
1879 if (rc != 0 && errno != ENOSYS) {
1880 DEBUG(1,("gpfs_set_times() returned with error %s\n",
1881 strerror(errno)));
1882 }
1883
1884 return rc;
1885 }
1886
1887 static int vfs_gpfs_ntimes(struct vfs_handle_struct *handle,
1888 const struct smb_filename *smb_fname,
1889 struct smb_file_time *ft)
1890 {
1891
1892 struct gpfs_winattr attrs;
1893 int ret;
1894 struct gpfs_config_data *config;
1895
1896 SMB_VFS_HANDLE_GET_DATA(handle, config,
1897 struct gpfs_config_data,
1898 return -1);
1899
1900 /* Try to use gpfs_set_times if it is enabled and available */
1901 if (config->settimes) {
1902 ret = smbd_gpfs_set_times_path(smb_fname->base_name, ft);
1903
1904 if (ret == 0 || (ret == -1 && errno != ENOSYS)) {
1905 return ret;
1906 }
1907 }
1908
1909 DEBUG(10,("gpfs_set_times() not available or disabled, "
1910 "use ntimes and winattr\n"));
1911
1912 ret = SMB_VFS_NEXT_NTIMES(handle, smb_fname, ft);
1913 if(ret == -1){
1914 /* don't complain if access was denied */
1915 if (errno != EPERM && errno != EACCES) {
1916 DEBUG(1,("vfs_gpfs_ntimes: SMB_VFS_NEXT_NTIMES failed:"
1917 "%s", strerror(errno)));
1918 }
1919 return -1;
1920 }
1921
1922 if(null_timespec(ft->create_time)){
1923 DEBUG(10,("vfs_gpfs_ntimes:Create Time is NULL\n"));
1924 return 0;
1925 }
1926
1927 if (!config->winattr) {
1928 return 0;
1929 }
1930
1931 attrs.winAttrs = 0;
1932 attrs.creationTime.tv_sec = ft->create_time.tv_sec;
1933 attrs.creationTime.tv_nsec = ft->create_time.tv_nsec;
1934
1935 ret = gpfswrap_set_winattrs_path(smb_fname->base_name,
1936 GPFS_WINATTR_SET_CREATION_TIME,
1937 &attrs);
1938 if(ret == -1 && errno != ENOSYS){
1939 DEBUG(1,("vfs_gpfs_ntimes: set GPFS ntimes failed %d\n",ret));
1940 return -1;
1941 }
1942 return 0;
1943
1944 }
1945
1946 static int vfs_gpfs_fallocate(struct vfs_handle_struct *handle,
1947 struct files_struct *fsp, uint32_t mode,
1948 off_t offset, off_t len)
1949 {
1950 int ret;
1951 struct gpfs_config_data *config;
1952
1953 SMB_VFS_HANDLE_GET_DATA(handle, config,
1954 struct gpfs_config_data,
1955 return -1);
1956
1957 if (!config->prealloc) {
1958 /* you should better not run fallocate() on GPFS at all */
1959 errno = ENOTSUP;
1960 return -1;
1961 }
1962
1963 if (mode != 0) {
1964 DEBUG(10, ("unmapped fallocate flags: %lx\n",
1965 (unsigned long)mode));
1966 errno = ENOTSUP;
1967 return -1;
1968 }
1969
1970 ret = gpfswrap_prealloc(fsp->fh->fd, offset, len);
1971
1972 if (ret == -1 && errno != ENOSYS) {
1973 DEBUG(0, ("GPFS prealloc failed: %s\n", strerror(errno)));
1974 } else if (ret == -1 && errno == ENOSYS) {
1975 DEBUG(10, ("GPFS prealloc not supported.\n"));
1976 } else {
1977 DEBUG(10, ("GPFS prealloc succeeded.\n"));
1978 }
1979
1980 return ret;
1981 }
1982
1983 static int vfs_gpfs_ftruncate(vfs_handle_struct *handle, files_struct *fsp,
1984 off_t len)
1985 {
1986 int result;
1987 struct gpfs_config_data *config;
1988
1989 SMB_VFS_HANDLE_GET_DATA(handle, config,
1990 struct gpfs_config_data,
1991 return -1);
1992
1993 if (!config->ftruncate) {
1994 return SMB_VFS_NEXT_FTRUNCATE(handle, fsp, len);
1995 }
1996
1997 result = gpfswrap_ftruncate(fsp->fh->fd, len);
1998 if ((result == -1) && (errno == ENOSYS)) {
1999 return SMB_VFS_NEXT_FTRUNCATE(handle, fsp, len);
2000 }
2001 return result;
2002 }
2003
2004 static bool vfs_gpfs_is_offline(struct vfs_handle_struct *handle,
2005 const struct smb_filename *fname,
2006 SMB_STRUCT_STAT *sbuf)
2007 {
2008 struct gpfs_winattr attrs;
2009 struct gpfs_config_data *config;
2010 int ret;
2011
2012 SMB_VFS_HANDLE_GET_DATA(handle, config,
2013 struct gpfs_config_data,
2014 return -1);
2015
2016 if (!config->winattr) {
2017 return false;
2018 }
2019
2020 ret = gpfswrap_get_winattrs_path(fname->base_name, &attrs);
2021 if (ret == -1) {
2022 return false;
2023 }
2024
2025 if ((attrs.winAttrs & GPFS_WINATTR_OFFLINE) != 0) {
2026 DBG_DEBUG("%s is offline\n", fname->base_name);
2027 return true;
2028 }
2029
2030 DBG_DEBUG("%s is online\n", fname->base_name);
2031 return false;
2032 }
2033
2034 static bool vfs_gpfs_fsp_is_offline(struct vfs_handle_struct *handle,
2035 struct files_struct *fsp)
2036 {
2037 struct gpfs_fsp_extension *ext;
2038
2039 ext = VFS_FETCH_FSP_EXTENSION(handle, fsp);
2040 if (ext == NULL) {
2041 /*
2042 * Something bad happened, always ask.
2043 */
2044 return vfs_gpfs_is_offline(handle, fsp->fsp_name,
2045 &fsp->fsp_name->st);
2046 }
2047
2048 if (ext->offline) {
2049 /*
2050 * As long as it's offline, ask.
2051 */
2052 ext->offline = vfs_gpfs_is_offline(handle, fsp->fsp_name,
2053 &fsp->fsp_name->st);
2054 }
2055
2056 return ext->offline;
2057 }
2058
2059 static bool vfs_gpfs_aio_force(struct vfs_handle_struct *handle,
2060 struct files_struct *fsp)
2061 {
2062 return vfs_gpfs_fsp_is_offline(handle, fsp);
2063 }
2064
2065 static ssize_t vfs_gpfs_sendfile(vfs_handle_struct *handle, int tofd,
2066 files_struct *fsp, const DATA_BLOB *hdr,
2067 off_t offset, size_t n)
2068 {
2069 if (vfs_gpfs_fsp_is_offline(handle, fsp)) {
2070 errno = ENOSYS;
2071 return -1;
2072 }
2073 return SMB_VFS_NEXT_SENDFILE(handle, tofd, fsp, hdr, offset, n);
2074 }
2075
2076 static int vfs_gpfs_connect(struct vfs_handle_struct *handle,
2077 const char *service, const char *user)
2078 {
2079 struct gpfs_config_data *config;
2080 int ret;
2081 bool check_fstype;
2082
2083 gpfswrap_lib_init(0);
2084
2085 config = talloc_zero(handle->conn, struct gpfs_config_data);
2086 if (!config) {
2087 DEBUG(0, ("talloc_zero() failed\n"));
2088 errno = ENOMEM;
2089 return -1;
2090 }
2091
2092 ret = SMB_VFS_NEXT_CONNECT(handle, service, user);
2093 if (ret < 0) {
2094 TALLOC_FREE(config);
2095 return ret;
2096 }
2097
2098 check_fstype = lp_parm_bool(SNUM(handle->conn), "gpfs",
2099 "check_fstype", true);
2100
2101 if (check_fstype && !IS_IPC(handle->conn)) {
2102 const char *connectpath = handle->conn->connectpath;
2103 struct statfs buf = { 0 };
2104
2105 ret = statfs(connectpath, &buf);
2106 if (ret != 0) {
2107 DBG_ERR("statfs failed for share %s at path %s: %s\n",
2108 service, connectpath, strerror(errno));
2109 TALLOC_FREE(config);
2110 return ret;
2111 }
2112
2113 if (buf.f_type != GPFS_SUPER_MAGIC) {
2114 DBG_ERR("SMB share %s, path %s not in GPFS file system."
2115 " statfs magic: 0x%lx\n",
2116 service, connectpath, buf.f_type);
2117 errno = EINVAL;
2118 TALLOC_FREE(config);
2119 return -1;
2120 }
2121 }
2122
2123 ret = smbacl4_get_vfs_params(handle->conn, &config->nfs4_params);
2124 if (ret < 0) {
2125 TALLOC_FREE(config);
2126 return ret;
2127 }
2128
2129 config->sharemodes = lp_parm_bool(SNUM(handle->conn), "gpfs",
2130 "sharemodes", true);
2131
2132 config->leases = lp_parm_bool(SNUM(handle->conn), "gpfs",
2133 "leases", true);
2134
2135 config->hsm = lp_parm_bool(SNUM(handle->conn), "gpfs",
2136 "hsm", false);
2137
2138 config->syncio = lp_parm_bool(SNUM(handle->conn), "gpfs",
2139 "syncio", false);
2140
2141 config->winattr = lp_parm_bool(SNUM(handle->conn), "gpfs",
2142 "winattr", false);
2143
2144 config->ftruncate = lp_parm_bool(SNUM(handle->conn), "gpfs",
2145 "ftruncate", true);
2146
2147 config->getrealfilename = lp_parm_bool(SNUM(handle->conn), "gpfs",
2148 "getrealfilename", true);
2149
2150 config->dfreequota = lp_parm_bool(SNUM(handle->conn), "gpfs",
2151 "dfreequota", false);
2152
2153 config->prealloc = lp_parm_bool(SNUM(handle->conn), "gpfs",
2154 "prealloc", true);
2155
2156 config->acl = lp_parm_bool(SNUM(handle->conn), "gpfs", "acl", true);
2157
2158 config->settimes = lp_parm_bool(SNUM(handle->conn), "gpfs",
2159 "settimes", true);
2160 config->recalls = lp_parm_bool(SNUM(handle->conn), "gpfs",
2161 "recalls", true);
2162
2163 SMB_VFS_HANDLE_SET_DATA(handle, config,
2164 NULL, struct gpfs_config_data,
2165 return -1);
2166
2167 if (config->leases) {
2168 /*
2169 * GPFS lease code is based on kernel oplock code
2170 * so make sure it is turned on
2171 */
2172 if (!lp_kernel_oplocks(SNUM(handle->conn))) {
2173 DEBUG(5, ("Enabling kernel oplocks for "
2174 "gpfs:leases to work\n"));
2175 lp_do_parameter(SNUM(handle->conn), "kernel oplocks",
2176 "true");
2177 }
2178
2179 /*
2180 * as the kernel does not properly support Level II oplocks
2181 * and GPFS leases code is based on kernel infrastructure, we
2182 * need to turn off Level II oplocks if gpfs:leases is enabled
2183 */
2184 if (lp_level2_oplocks(SNUM(handle->conn))) {
2185 DEBUG(5, ("gpfs:leases are enabled, disabling "
2186 "Level II oplocks\n"));
2187 lp_do_parameter(SNUM(handle->conn), "level2 oplocks",
2188 "false");
2189 }
2190 }
2191
2192 /*
2193 * Unless we have an async implementation of get_dos_attributes turn
2194 * this off.
2195 */
2196 lp_do_parameter(SNUM(handle->conn), "smbd:async dosmode", "false");
2197
2198 return 0;
2199 }
2200
2201 static int get_gpfs_quota(const char *pathname, int type, int id,
2202 struct gpfs_quotaInfo *qi)
2203 {
2204 int ret;
2205
2206 ret = gpfswrap_quotactl(discard_const_p(char, pathname),
2207 GPFS_QCMD(Q_GETQUOTA, type), id, qi);
2208
2209 if (ret) {
2210 if (errno == GPFS_E_NO_QUOTA_INST) {
2211 DEBUG(10, ("Quotas disabled on GPFS filesystem.\n"));
2212 } else if (errno != ENOSYS) {
2213 DEBUG(0, ("Get quota failed, type %d, id, %d, "
2214 "errno %d.\n", type, id, errno));
2215 }
2216
2217 return ret;
2218 }
2219
2220 DEBUG(10, ("quota type %d, id %d, blk u:%lld h:%lld s:%lld gt:%u\n",
2221 type, id, qi->blockUsage, qi->blockHardLimit,
2222 qi->blockSoftLimit, qi->blockGraceTime));
2223
2224 return ret;
2225 }
2226
2227 static void vfs_gpfs_disk_free_quota(struct gpfs_quotaInfo qi, time_t cur_time,
2228 uint64_t *dfree, uint64_t *dsize)
2229 {
2230 uint64_t usage, limit;
2231
2232 /*
2233 * The quota reporting is done in units of 1024 byte blocks, but
2234 * sys_fsusage uses units of 512 byte blocks, adjust the block number
2235 * accordingly. Also filter possibly negative usage counts from gpfs.
2236 */
2237 usage = qi.blockUsage < 0 ? 0 : (uint64_t)qi.blockUsage * 2;
2238 limit = (uint64_t)qi.blockHardLimit * 2;
2239
2240 /*
2241 * When the grace time for the exceeded soft block quota has been
2242 * exceeded, the soft block quota becomes an additional hard limit.
2243 */
2244 if (qi.blockSoftLimit &&
2245 qi.blockGraceTime && cur_time > qi.blockGraceTime) {
2246 /* report disk as full */
2247 *dfree = 0;
2248 *dsize = MIN(*dsize, usage);
2249 }
2250
2251 if (!qi.blockHardLimit)
2252 return;
2253
2254 if (usage >= limit) {
2255 /* report disk as full */
2256 *dfree = 0;
2257 *dsize = MIN(*dsize, usage);
2258
2259 } else {
2260 /* limit has not been reached, determine "free space" */
2261 *dfree = MIN(*dfree, limit - usage);
2262 *dsize = MIN(*dsize, limit);
2263 }
2264 }
2265
2266 static uint64_t vfs_gpfs_disk_free(vfs_handle_struct *handle,
2267 const struct smb_filename *smb_fname,
2268 uint64_t *bsize,
2269 uint64_t *dfree,
2270 uint64_t *dsize)
2271 {
2272 struct security_unix_token *utok;
2273 struct gpfs_quotaInfo qi_user = { 0 }, qi_group = { 0 };
2274 struct gpfs_config_data *config;
2275 int err;
2276 time_t cur_time;
2277
2278 SMB_VFS_HANDLE_GET_DATA(handle, config, struct gpfs_config_data,
2279 return (uint64_t)-1);
2280 if (!config->dfreequota) {
2281 return SMB_VFS_NEXT_DISK_FREE(handle, smb_fname,
2282 bsize, dfree, dsize);
2283 }
2284
2285 err = sys_fsusage(smb_fname->base_name, dfree, dsize);
2286 if (err) {
2287 DEBUG (0, ("Could not get fs usage, errno %d\n", errno));
2288 return SMB_VFS_NEXT_DISK_FREE(handle, smb_fname,
2289 bsize, dfree, dsize);
2290 }
2291
2292 /* sys_fsusage returns units of 512 bytes */
2293 *bsize = 512;
2294
2295 DEBUG(10, ("fs dfree %llu, dsize %llu\n",
2296 (unsigned long long)*dfree, (unsigned long long)*dsize));
2297
2298 utok = handle->conn->session_info->unix_token;
2299
2300 err = get_gpfs_quota(smb_fname->base_name,
2301 GPFS_USRQUOTA, utok->uid, &qi_user);
2302 if (err) {
2303 return SMB_VFS_NEXT_DISK_FREE(handle, smb_fname,
2304 bsize, dfree, dsize);
2305 }
2306
2307 err = get_gpfs_quota(smb_fname->base_name,
2308 GPFS_GRPQUOTA, utok->gid, &qi_group);
2309 if (err) {
2310 return SMB_VFS_NEXT_DISK_FREE(handle, smb_fname,
2311 bsize, dfree, dsize);
2312 }
2313
2314 cur_time = time(NULL);
2315
2316 /* Adjust free space and size according to quota limits. */
2317 vfs_gpfs_disk_free_quota(qi_user, cur_time, dfree, dsize);
2318 vfs_gpfs_disk_free_quota(qi_group, cur_time, dfree, dsize);
2319
2320 return *dfree / 2;
2321 }
2322
2323 static int vfs_gpfs_get_quota(vfs_handle_struct *handle,
2324 const struct smb_filename *smb_fname,
2325 enum SMB_QUOTA_TYPE qtype,
2326 unid_t id,
2327 SMB_DISK_QUOTA *dq)
2328 {
2329 switch(qtype) {
2330 /*
2331 * User/group quota are being used for disk-free
2332 * determination, which in this module is done directly
2333 * by the disk-free function. It's important that this
2334 * module does not return wrong quota values by mistake,
2335 * which would modify the correct values set by disk-free.
2336 * User/group quota are also being used for processing
2337 * NT_TRANSACT_GET_USER_QUOTA in smb1 protocol, which is
2338 * currently not supported by this module.
2339 */
2340 case SMB_USER_QUOTA_TYPE:
2341 case SMB_GROUP_QUOTA_TYPE:
2342 errno = ENOSYS;
2343 return -1;
2344 default:
2345 return SMB_VFS_NEXT_GET_QUOTA(handle, smb_fname,
2346 qtype, id, dq);
2347 }
2348 }
2349
2350 static uint32_t vfs_gpfs_capabilities(struct vfs_handle_struct *handle,
2351 enum timestamp_set_resolution *p_ts_res)
2352 {
2353 struct gpfs_config_data *config;
2354 uint32_t next;
2355
2356 next = SMB_VFS_NEXT_FS_CAPABILITIES(handle, p_ts_res);
2357
2358 SMB_VFS_HANDLE_GET_DATA(handle, config,
2359 struct gpfs_config_data,
2360 return next);
2361
2362 if (config->hsm) {
2363 next |= FILE_SUPPORTS_REMOTE_STORAGE;
2364 }
2365 return next;
2366 }
2367
2368 static int vfs_gpfs_open(struct vfs_handle_struct *handle,
2369 struct smb_filename *smb_fname, files_struct *fsp,
2370 int flags, mode_t mode)
2371 {
2372 struct gpfs_config_data *config;
2373 int ret;
2374 struct gpfs_fsp_extension *ext;
2375
2376 SMB_VFS_HANDLE_GET_DATA(handle, config,
2377 struct gpfs_config_data,
2378 return -1);
2379
2380 if (config->hsm && !config->recalls &&
2381 vfs_gpfs_fsp_is_offline(handle, fsp)) {
2382 DEBUG(10, ("Refusing access to offline file %s\n",
2383 fsp_str_dbg(fsp)));
2384 errno = EACCES;
2385 return -1;
2386 }
2387
2388 if (config->syncio) {
2389 flags |= O_SYNC;
2390 }
2391
2392 ext = VFS_ADD_FSP_EXTENSION(handle, fsp, struct gpfs_fsp_extension,
2393 NULL);
2394 if (ext == NULL) {
2395 errno = ENOMEM;
2396 return -1;
2397 }
2398
2399 /*
2400 * Assume the file is offline until gpfs tells us it's online.
2401 */
2402 *ext = (struct gpfs_fsp_extension) { .offline = true };
2403
2404 ret = SMB_VFS_NEXT_OPEN(handle, smb_fname, fsp, flags, mode);
2405 if (ret == -1) {
2406 VFS_REMOVE_FSP_EXTENSION(handle, fsp);
2407 }
2408 return ret;
2409 }
2410
2411 static ssize_t vfs_gpfs_pread(vfs_handle_struct *handle, files_struct *fsp,
2412 void *data, size_t n, off_t offset)
2413 {
2414 ssize_t ret;
2415 bool was_offline;
2416
2417 was_offline = vfs_gpfs_fsp_is_offline(handle, fsp);
2418
2419 ret = SMB_VFS_NEXT_PREAD(handle, fsp, data, n, offset);
2420
2421 if ((ret != -1) && was_offline) {
2422 notify_fname(handle->conn, NOTIFY_ACTION_MODIFIED,
2423 FILE_NOTIFY_CHANGE_ATTRIBUTES,
2424 fsp->fsp_name->base_name);
2425 }
2426
2427 return ret;
2428 }
2429
2430 struct vfs_gpfs_pread_state {
2431 struct files_struct *fsp;
2432 ssize_t ret;
2433 bool was_offline;
2434 struct vfs_aio_state vfs_aio_state;
2435 };
2436
2437 static void vfs_gpfs_pread_done(struct tevent_req *subreq);
2438
2439 static struct tevent_req *vfs_gpfs_pread_send(struct vfs_handle_struct *handle,
2440 TALLOC_CTX *mem_ctx,
2441 struct tevent_context *ev,
2442 struct files_struct *fsp,
2443 void *data, size_t n,
2444 off_t offset)
2445 {
2446 struct tevent_req *req, *subreq;
2447 struct vfs_gpfs_pread_state *state;
2448
2449 req = tevent_req_create(mem_ctx, &state, struct vfs_gpfs_pread_state);
2450 if (req == NULL) {
2451 return NULL;
2452 }
2453 state->was_offline = vfs_gpfs_fsp_is_offline(handle, fsp);
2454 state->fsp = fsp;
2455 subreq = SMB_VFS_NEXT_PREAD_SEND(state, ev, handle, fsp, data,
2456 n, offset);
2457 if (tevent_req_nomem(subreq, req)) {
2458 return tevent_req_post(req, ev);
2459 }
2460 tevent_req_set_callback(subreq, vfs_gpfs_pread_done, req);
2461 return req;
2462 }
2463
2464 static void vfs_gpfs_pread_done(struct tevent_req *subreq)
2465 {
2466 struct tevent_req *req = tevent_req_callback_data(
2467 subreq, struct tevent_req);
2468 struct vfs_gpfs_pread_state *state = tevent_req_data(
2469 req, struct vfs_gpfs_pread_state);
2470
2471 state->ret = SMB_VFS_PREAD_RECV(subreq, &state->vfs_aio_state);
2472 TALLOC_FREE(subreq);
2473 tevent_req_done(req);
2474 }
2475
2476 static ssize_t vfs_gpfs_pread_recv(struct tevent_req *req,
2477 struct vfs_aio_state *vfs_aio_state)
2478 {
2479 struct vfs_gpfs_pread_state *state = tevent_req_data(
2480 req, struct vfs_gpfs_pread_state);
2481 struct files_struct *fsp = state->fsp;
2482
2483 if (tevent_req_is_unix_error(req, &vfs_aio_state->error)) {
2484 return -1;
2485 }
2486 *vfs_aio_state = state->vfs_aio_state;
2487
2488 if ((state->ret != -1) && state->was_offline) {
2489 DEBUG(10, ("sending notify\n"));
2490 notify_fname(fsp->conn, NOTIFY_ACTION_MODIFIED,
2491 FILE_NOTIFY_CHANGE_ATTRIBUTES,
2492 fsp->fsp_name->base_name);
2493 }
2494
2495 return state->ret;
2496 }
2497
2498 static ssize_t vfs_gpfs_pwrite(vfs_handle_struct *handle, files_struct *fsp,
2499 const void *data, size_t n, off_t offset)
2500 {
2501 ssize_t ret;
2502 bool was_offline;
2503
2504 was_offline = vfs_gpfs_fsp_is_offline(handle, fsp);
2505
2506 ret = SMB_VFS_NEXT_PWRITE(handle, fsp, data, n, offset);
2507
2508 if ((ret != -1) && was_offline) {
2509 notify_fname(handle->conn, NOTIFY_ACTION_MODIFIED,
2510 FILE_NOTIFY_CHANGE_ATTRIBUTES,
2511 fsp->fsp_name->base_name);
2512 }
2513
2514 return ret;
2515 }
2516
2517 struct vfs_gpfs_pwrite_state {
2518 struct files_struct *fsp;
2519 ssize_t ret;
2520 bool was_offline;
2521 struct vfs_aio_state vfs_aio_state;
2522 };
2523
2524 static void vfs_gpfs_pwrite_done(struct tevent_req *subreq);
2525
2526 static struct tevent_req *vfs_gpfs_pwrite_send(
2527 struct vfs_handle_struct *handle,
2528 TALLOC_CTX *mem_ctx,
2529 struct tevent_context *ev,
2530 struct files_struct *fsp,
2531 const void *data, size_t n,
2532 off_t offset)
2533 {
2534 struct tevent_req *req, *subreq;
2535 struct vfs_gpfs_pwrite_state *state;
2536
2537 req = tevent_req_create(mem_ctx, &state, struct vfs_gpfs_pwrite_state);
2538 if (req == NULL) {
2539 return NULL;
2540 }
2541 state->was_offline = vfs_gpfs_fsp_is_offline(handle, fsp);
2542 state->fsp = fsp;
2543 subreq = SMB_VFS_NEXT_PWRITE_SEND(state, ev, handle, fsp, data,
2544 n, offset);
2545 if (tevent_req_nomem(subreq, req)) {
2546 return tevent_req_post(req, ev);
2547 }
2548 tevent_req_set_callback(subreq, vfs_gpfs_pwrite_done, req);
2549 return req;
2550 }
2551
2552 static void vfs_gpfs_pwrite_done(struct tevent_req *subreq)
2553 {
2554 struct tevent_req *req = tevent_req_callback_data(
2555 subreq, struct tevent_req);
2556 struct vfs_gpfs_pwrite_state *state = tevent_req_data(
2557 req, struct vfs_gpfs_pwrite_state);
2558
2559 state->ret = SMB_VFS_PWRITE_RECV(subreq, &state->vfs_aio_state);
2560 TALLOC_FREE(subreq);
2561 tevent_req_done(req);
2562 }
2563
2564 static ssize_t vfs_gpfs_pwrite_recv(struct tevent_req *req,
2565 struct vfs_aio_state *vfs_aio_state)
2566 {
2567 struct vfs_gpfs_pwrite_state *state = tevent_req_data(
2568 req, struct vfs_gpfs_pwrite_state);
2569 struct files_struct *fsp = state->fsp;
2570
2571 if (tevent_req_is_unix_error(req, &vfs_aio_state->error)) {
2572 return -1;
2573 }
2574 *vfs_aio_state = state->vfs_aio_state;
2575
2576 if ((state->ret != -1) && state->was_offline) {
2577 DEBUG(10, ("sending notify\n"));
2578 notify_fname(fsp->conn, NOTIFY_ACTION_MODIFIED,
2579 FILE_NOTIFY_CHANGE_ATTRIBUTES,
2580 fsp->fsp_name->base_name);
2581 }
2582
2583 return state->ret;
2584 }
2585
2586
2587 static struct vfs_fn_pointers vfs_gpfs_fns = {
2588 .connect_fn = vfs_gpfs_connect,
2589 .disk_free_fn = vfs_gpfs_disk_free,
2590 .get_quota_fn = vfs_gpfs_get_quota,
2591 .fs_capabilities_fn = vfs_gpfs_capabilities,
2592 .kernel_flock_fn = vfs_gpfs_kernel_flock,
2593 .linux_setlease_fn = vfs_gpfs_setlease,
2594 .get_real_filename_fn = vfs_gpfs_get_real_filename,
2595 .get_dos_attributes_fn = vfs_gpfs_get_dos_attributes,
2596 .get_dos_attributes_send_fn = vfs_not_implemented_get_dos_attributes_send,
2597 .get_dos_attributes_recv_fn = vfs_not_implemented_get_dos_attributes_recv,
2598 .fget_dos_attributes_fn = vfs_gpfs_fget_dos_attributes,
2599 .set_dos_attributes_fn = vfs_gpfs_set_dos_attributes,
2600 .fset_dos_attributes_fn = vfs_gpfs_fset_dos_attributes,
2601 .fget_nt_acl_fn = gpfsacl_fget_nt_acl,
2602 .get_nt_acl_fn = gpfsacl_get_nt_acl,
2603 .fset_nt_acl_fn = gpfsacl_fset_nt_acl,
2604 .sys_acl_get_file_fn = gpfsacl_sys_acl_get_file,
2605 .sys_acl_get_fd_fn = gpfsacl_sys_acl_get_fd,
2606 .sys_acl_blob_get_file_fn = gpfsacl_sys_acl_blob_get_file,
2607 .sys_acl_blob_get_fd_fn = gpfsacl_sys_acl_blob_get_fd,
2608 .sys_acl_set_file_fn = gpfsacl_sys_acl_set_file,
2609 .sys_acl_set_fd_fn = gpfsacl_sys_acl_set_fd,
2610 .sys_acl_delete_def_file_fn = gpfsacl_sys_acl_delete_def_file,
2611 .chmod_fn = vfs_gpfs_chmod,
2612 .fchmod_fn = vfs_gpfs_fchmod,
2613 .close_fn = vfs_gpfs_close,
2614 .stat_fn = vfs_gpfs_stat,
2615 .lstat_fn = vfs_gpfs_lstat,
2616 .ntimes_fn = vfs_gpfs_ntimes,
2617 .aio_force_fn = vfs_gpfs_aio_force,
2618 .sendfile_fn = vfs_gpfs_sendfile,
2619 .fallocate_fn = vfs_gpfs_fallocate,
2620 .open_fn = vfs_gpfs_open,
2621 .pread_fn = vfs_gpfs_pread,
2622 .pread_send_fn = vfs_gpfs_pread_send,
2623 .pread_recv_fn = vfs_gpfs_pread_recv,
2624 .pwrite_fn = vfs_gpfs_pwrite,
2625 .pwrite_send_fn = vfs_gpfs_pwrite_send,
2626 .pwrite_recv_fn = vfs_gpfs_pwrite_recv,
2627 .ftruncate_fn = vfs_gpfs_ftruncate
2628 };
2629
2630 static_decl_vfs;
2631 NTSTATUS vfs_gpfs_init(TALLOC_CTX *ctx)
2632 {
2633 int ret;
2634
2635 ret = gpfswrap_init();
2636 if (ret != 0) {
2637 DEBUG(1, ("Could not initialize GPFS library wrapper\n"));
2638 }
2639
2640 return smb_register_vfs(SMB_VFS_INTERFACE_VERSION, "gpfs",
2641 &vfs_gpfs_fns);
2642 }
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