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Change get_nt_acl_no_snum() to return an NTSTATUS, not a struct security_descriptor *.
[Samba/gebeck_regimport.git] / source3 / modules / vfs_gpfs.c
blob8e8c69455eccc04402da1382b505d27f00332cc5
1 /*
2 Unix SMB/CIFS implementation.
3 Wrap gpfs calls in vfs functions.
4
5 Copyright (C) Christian Ambach <cambach1@de.ibm.com> 2006
6
7 Major code contributions by Chetan Shringarpure <chetan.sh@in.ibm.com>
8 and Gomati Mohanan <gomati.mohanan@in.ibm.com>
9
10 This program is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 3 of the License, or
13 (at your option) any later version.
14
15 This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
19
20 You should have received a copy of the GNU General Public License
21 along with this program. If not, see <http://www.gnu.org/licenses/>.
22 */
23
24 #include "includes.h"
25 #include "smbd/smbd.h"
26 #include "librpc/gen_ndr/ndr_xattr.h"
27 #include "include/smbprofile.h"
28
29 #undef DBGC_CLASS
30 #define DBGC_CLASS DBGC_VFS
31
32 #include <gpfs_gpl.h>
33 #include "nfs4_acls.h"
34 #include "vfs_gpfs.h"
35 #include "system/filesys.h"
36 #include "auth.h"
37 #include "lib/util/tevent_unix.h"
38
39 struct gpfs_config_data {
40 bool sharemodes;
41 bool leases;
42 bool hsm;
43 bool syncio;
44 bool winattr;
45 bool ftruncate;
46 bool getrealfilename;
47 bool dfreequota;
48 bool prealloc;
49 bool acl;
50 };
51
52
53 static int vfs_gpfs_kernel_flock(vfs_handle_struct *handle, files_struct *fsp,
54 uint32 share_mode, uint32 access_mask)
55 {
56
57 struct gpfs_config_data *config;
58 int ret = 0;
59
60 SMB_VFS_HANDLE_GET_DATA(handle, config,
61 struct gpfs_config_data,
62 return -1);
63
64 if(!config->sharemodes) {
65 return 0;
66 }
67
68 START_PROFILE(syscall_kernel_flock);
69
70 kernel_flock(fsp->fh->fd, share_mode, access_mask);
71
72 if (!set_gpfs_sharemode(fsp, access_mask, fsp->share_access)) {
73 ret = -1;
74 }
75
76 END_PROFILE(syscall_kernel_flock);
77
78 return ret;
79 }
80
81 static int vfs_gpfs_close(vfs_handle_struct *handle, files_struct *fsp)
82 {
83
84 struct gpfs_config_data *config;
85
86 SMB_VFS_HANDLE_GET_DATA(handle, config,
87 struct gpfs_config_data,
88 return -1);
89
90 if (config->sharemodes && (fsp->fh != NULL) && (fsp->fh->fd != -1)) {
91 set_gpfs_sharemode(fsp, 0, 0);
92 }
93
94 return SMB_VFS_NEXT_CLOSE(handle, fsp);
95 }
96
97 static int vfs_gpfs_setlease(vfs_handle_struct *handle, files_struct *fsp,
98 int leasetype)
99 {
100 struct gpfs_config_data *config;
101 int ret=0;
102
103 SMB_VFS_HANDLE_GET_DATA(handle, config,
104 struct gpfs_config_data,
105 return -1);
106
107 if (linux_set_lease_sighandler(fsp->fh->fd) == -1)
108 return -1;
109
110 START_PROFILE(syscall_linux_setlease);
111
112 if (config->leases) {
113 ret = set_gpfs_lease(fsp->fh->fd,leasetype);
114 }
115
116 END_PROFILE(syscall_linux_setlease);
117
118 return ret;
119 }
120
121 static int vfs_gpfs_get_real_filename(struct vfs_handle_struct *handle,
122 const char *path,
123 const char *name,
124 TALLOC_CTX *mem_ctx,
125 char **found_name)
126 {
127 int result;
128 char *full_path;
129 char real_pathname[PATH_MAX+1];
130 int buflen;
131 bool mangled;
132 struct gpfs_config_data *config;
133
134 SMB_VFS_HANDLE_GET_DATA(handle, config,
135 struct gpfs_config_data,
136 return -1);
137
138 if (!config->getrealfilename) {
139 return SMB_VFS_NEXT_GET_REAL_FILENAME(handle, path, name,
140 mem_ctx, found_name);
141 }
142
143 mangled = mangle_is_mangled(name, handle->conn->params);
144 if (mangled) {
145 return SMB_VFS_NEXT_GET_REAL_FILENAME(handle, path, name,
146 mem_ctx, found_name);
147 }
148
149 full_path = talloc_asprintf(talloc_tos(), "%s/%s", path, name);
150 if (full_path == NULL) {
151 errno = ENOMEM;
152 return -1;
153 }
154
155 buflen = sizeof(real_pathname) - 1;
156
157 result = smbd_gpfs_get_realfilename_path(full_path, real_pathname,
158 &buflen);
159
160 TALLOC_FREE(full_path);
161
162 if ((result == -1) && (errno == ENOSYS)) {
163 return SMB_VFS_NEXT_GET_REAL_FILENAME(
164 handle, path, name, mem_ctx, found_name);
165 }
166
167 if (result == -1) {
168 DEBUG(10, ("smbd_gpfs_get_realfilename_path returned %s\n",
169 strerror(errno)));
170 return -1;
171 }
172
173 /*
174 * GPFS does not necessarily null-terminate the returned path
175 * but instead returns the buffer length in buflen.
176 */
177
178 if (buflen < sizeof(real_pathname)) {
179 real_pathname[buflen] = '\0';
180 } else {
181 real_pathname[sizeof(real_pathname)-1] = '\0';
182 }
183
184 DEBUG(10, ("smbd_gpfs_get_realfilename_path: %s/%s -> %s\n",
185 path, name, real_pathname));
186
187 name = strrchr_m(real_pathname, '/');
188 if (name == NULL) {
189 errno = ENOENT;
190 return -1;
191 }
192
193 *found_name = talloc_strdup(mem_ctx, name+1);
194 if (*found_name == NULL) {
195 errno = ENOMEM;
196 return -1;
197 }
198
199 return 0;
200 }
201
202 static void gpfs_dumpacl(int level, struct gpfs_acl *gacl)
203 {
204 gpfs_aclCount_t i;
205 if (gacl==NULL)
206 {
207 DEBUG(0, ("gpfs acl is NULL\n"));
208 return;
209 }
210
211 DEBUG(level, ("gpfs acl: nace: %d, type:%d, version:%d, level:%d, len:%d\n",
212 gacl->acl_nace, gacl->acl_type, gacl->acl_version, gacl->acl_level, gacl->acl_len));
213 for(i=0; i<gacl->acl_nace; i++)
214 {
215 struct gpfs_ace_v4 *gace = gacl->ace_v4 + i;
216 DEBUG(level, ("\tace[%d]: type:%d, flags:0x%x, mask:0x%x, iflags:0x%x, who:%u\n",
217 i, gace->aceType, gace->aceFlags, gace->aceMask,
218 gace->aceIFlags, gace->aceWho));
219 }
220 }
221
222 static struct gpfs_acl *gpfs_getacl_alloc(const char *fname, gpfs_aclType_t type)
223 {
224 struct gpfs_acl *acl;
225 size_t len = 200;
226 int ret;
227 TALLOC_CTX *mem_ctx = talloc_tos();
228
229 acl = (struct gpfs_acl *)TALLOC_SIZE(mem_ctx, len);
230 if (acl == NULL) {
231 errno = ENOMEM;
232 return NULL;
233 }
234
235 acl->acl_len = len;
236 acl->acl_level = 0;
237 acl->acl_version = 0;
238 acl->acl_type = type;
239
240 ret = smbd_gpfs_getacl((char *)fname, GPFS_GETACL_STRUCT, acl);
241 if ((ret != 0) && (errno == ENOSPC)) {
242 struct gpfs_acl *new_acl = (struct gpfs_acl *)TALLOC_SIZE(
243 mem_ctx, acl->acl_len + sizeof(struct gpfs_acl));
244 if (new_acl == NULL) {
245 errno = ENOMEM;
246 return NULL;
247 }
248
249 new_acl->acl_len = acl->acl_len;
250 new_acl->acl_level = acl->acl_level;
251 new_acl->acl_version = acl->acl_version;
252 new_acl->acl_type = acl->acl_type;
253 acl = new_acl;
254
255 ret = smbd_gpfs_getacl((char *)fname, GPFS_GETACL_STRUCT, acl);
256 }
257 if (ret != 0)
258 {
259 DEBUG(8, ("smbd_gpfs_getacl failed with %s\n",strerror(errno)));
260 return NULL;
261 }
262
263 return acl;
264 }
265
266 /* Tries to get nfs4 acls and returns SMB ACL allocated.
267 * On failure returns 1 if it got non-NFSv4 ACL to prompt
268 * retry with POSIX ACL checks.
269 * On failure returns -1 if there is system (GPFS) error, check errno.
270 * Returns 0 on success
271 */
272 static int gpfs_get_nfs4_acl(const char *fname, SMB4ACL_T **ppacl)
273 {
274 gpfs_aclCount_t i;
275 struct gpfs_acl *gacl = NULL;
276 DEBUG(10, ("gpfs_get_nfs4_acl invoked for %s\n", fname));
277
278 /* First get the real acl length */
279 gacl = gpfs_getacl_alloc(fname, 0);
280 if (gacl == NULL) {
281 DEBUG(9, ("gpfs_getacl failed for %s with %s\n",
282 fname, strerror(errno)));
283 return -1;
284 }
285
286 if (gacl->acl_type != GPFS_ACL_TYPE_NFS4) {
287 DEBUG(10, ("Got non-nfsv4 acl\n"));
288 /* Retry with POSIX ACLs check */
289 return 1;
290 }
291
292 *ppacl = smb_create_smb4acl();
293
294 DEBUG(10, ("len: %d, level: %d, version: %d, nace: %d\n",
295 gacl->acl_len, gacl->acl_level, gacl->acl_version,
296 gacl->acl_nace));
297
298 for (i=0; i<gacl->acl_nace; i++) {
299 struct gpfs_ace_v4 *gace = &gacl->ace_v4[i];
300 SMB_ACE4PROP_T smbace;
301 DEBUG(10, ("type: %d, iflags: %x, flags: %x, mask: %x, "
302 "who: %d\n", gace->aceType, gace->aceIFlags,
303 gace->aceFlags, gace->aceMask, gace->aceWho));
304
305 ZERO_STRUCT(smbace);
306 if (gace->aceIFlags & ACE4_IFLAG_SPECIAL_ID) {
307 smbace.flags |= SMB_ACE4_ID_SPECIAL;
308 switch (gace->aceWho) {
309 case ACE4_SPECIAL_OWNER:
310 smbace.who.special_id = SMB_ACE4_WHO_OWNER;
311 break;
312 case ACE4_SPECIAL_GROUP:
313 smbace.who.special_id = SMB_ACE4_WHO_GROUP;
314 break;
315 case ACE4_SPECIAL_EVERYONE:
316 smbace.who.special_id = SMB_ACE4_WHO_EVERYONE;
317 break;
318 default:
319 DEBUG(8, ("invalid special gpfs id %d "
320 "ignored\n", gace->aceWho));
321 continue; /* don't add it */
322 }
323 } else {
324 if (gace->aceFlags & ACE4_FLAG_GROUP_ID)
325 smbace.who.gid = gace->aceWho;
326 else
327 smbace.who.uid = gace->aceWho;
328 }
329
330 /* remove redundent deny entries */
331 if (i > 0 && gace->aceType == SMB_ACE4_ACCESS_DENIED_ACE_TYPE) {
332 struct gpfs_ace_v4 *prev = &gacl->ace_v4[i-1];
333 if (prev->aceType == SMB_ACE4_ACCESS_ALLOWED_ACE_TYPE &&
334 prev->aceFlags == gace->aceFlags &&
335 prev->aceIFlags == gace->aceIFlags &&
336 (gace->aceMask & prev->aceMask) == 0 &&
337 gace->aceWho == prev->aceWho) {
338 /* its redundent - skip it */
339 continue;
340 }
341 }
342
343 smbace.aceType = gace->aceType;
344 smbace.aceFlags = gace->aceFlags;
345 smbace.aceMask = gace->aceMask;
346 smb_add_ace4(*ppacl, &smbace);
347 }
348
349 return 0;
350 }
351
352 static NTSTATUS gpfsacl_fget_nt_acl(vfs_handle_struct *handle,
353 files_struct *fsp, uint32 security_info,
354 TALLOC_CTX *mem_ctx,
355 struct security_descriptor **ppdesc)
356 {
357 SMB4ACL_T *pacl = NULL;
358 int result;
359 struct gpfs_config_data *config;
360
361 *ppdesc = NULL;
362
363 SMB_VFS_HANDLE_GET_DATA(handle, config,
364 struct gpfs_config_data,
365 return NT_STATUS_INTERNAL_ERROR);
366
367 if (!config->acl) {
368 return SMB_VFS_NEXT_FGET_NT_ACL(handle, fsp, security_info,
369 mem_ctx, ppdesc);
370 }
371
372 result = gpfs_get_nfs4_acl(fsp->fsp_name->base_name, &pacl);
373
374 if (result == 0)
375 return smb_fget_nt_acl_nfs4(fsp, security_info, mem_ctx, ppdesc, pacl);
376
377 if (result > 0) {
378 DEBUG(10, ("retrying with posix acl...\n"));
379 return posix_fget_nt_acl(fsp, security_info, mem_ctx, ppdesc);
380 }
381
382 /* GPFS ACL was not read, something wrong happened, error code is set in errno */
383 return map_nt_error_from_unix(errno);
384 }
385
386 static NTSTATUS gpfsacl_get_nt_acl(vfs_handle_struct *handle,
387 const char *name,
388 uint32 security_info,
389 TALLOC_CTX *mem_ctx, struct security_descriptor **ppdesc)
390 {
391 SMB4ACL_T *pacl = NULL;
392 int result;
393 struct gpfs_config_data *config;
394
395 *ppdesc = NULL;
396
397 SMB_VFS_HANDLE_GET_DATA(handle, config,
398 struct gpfs_config_data,
399 return NT_STATUS_INTERNAL_ERROR);
400
401 if (!config->acl) {
402 return SMB_VFS_NEXT_GET_NT_ACL(handle, name, security_info,
403 mem_ctx, ppdesc);
404 }
405
406 result = gpfs_get_nfs4_acl(name, &pacl);
407
408 if (result == 0)
409 return smb_get_nt_acl_nfs4(handle->conn, name, security_info,
410 mem_ctx, ppdesc, pacl);
411
412 if (result > 0) {
413 DEBUG(10, ("retrying with posix acl...\n"));
414 return posix_get_nt_acl(handle->conn, name, security_info,
415 mem_ctx, ppdesc);
416 }
417
418 /* GPFS ACL was not read, something wrong happened, error code is set in errno */
419 return map_nt_error_from_unix(errno);
420 }
421
422 static bool gpfsacl_process_smbacl(files_struct *fsp, SMB4ACL_T *smbacl)
423 {
424 int ret;
425 gpfs_aclLen_t gacl_len;
426 SMB4ACE_T *smbace;
427 struct gpfs_acl *gacl;
428 TALLOC_CTX *mem_ctx = talloc_tos();
429
430 gacl_len = offsetof(gpfs_acl_t, ace_v4) + smb_get_naces(smbacl) *
431 sizeof(gpfs_ace_v4_t);
432
433 gacl = (struct gpfs_acl *)TALLOC_SIZE(mem_ctx, gacl_len);
434 if (gacl == NULL) {
435 DEBUG(0, ("talloc failed\n"));
436 errno = ENOMEM;
437 return False;
438 }
439
440 gacl->acl_len = gacl_len;
441 gacl->acl_level = 0;
442 gacl->acl_version = GPFS_ACL_VERSION_NFS4;
443 gacl->acl_type = GPFS_ACL_TYPE_NFS4;
444 gacl->acl_nace = 0; /* change later... */
445
446 for (smbace=smb_first_ace4(smbacl); smbace!=NULL; smbace = smb_next_ace4(smbace)) {
447 struct gpfs_ace_v4 *gace = &gacl->ace_v4[gacl->acl_nace];
448 SMB_ACE4PROP_T *aceprop = smb_get_ace4(smbace);
449
450 gace->aceType = aceprop->aceType;
451 gace->aceFlags = aceprop->aceFlags;
452 gace->aceMask = aceprop->aceMask;
453
454 /*
455 * GPFS can't distinguish between WRITE and APPEND on
456 * files, so one being set without the other is an
457 * error. Sorry for the many ()'s :-)
458 */
459
460 if (!fsp->is_directory
461 &&
462 ((((gace->aceMask & ACE4_MASK_WRITE) == 0)
463 && ((gace->aceMask & ACE4_MASK_APPEND) != 0))
464 ||
465 (((gace->aceMask & ACE4_MASK_WRITE) != 0)
466 && ((gace->aceMask & ACE4_MASK_APPEND) == 0)))
467 &&
468 lp_parm_bool(fsp->conn->params->service, "gpfs",
469 "merge_writeappend", True)) {
470 DEBUG(2, ("vfs_gpfs.c: file [%s]: ACE contains "
471 "WRITE^APPEND, setting WRITE|APPEND\n",
472 fsp_str_dbg(fsp)));
473 gace->aceMask |= ACE4_MASK_WRITE|ACE4_MASK_APPEND;
474 }
475
476 gace->aceIFlags = (aceprop->flags&SMB_ACE4_ID_SPECIAL) ? ACE4_IFLAG_SPECIAL_ID : 0;
477
478 if (aceprop->flags&SMB_ACE4_ID_SPECIAL)
479 {
480 switch(aceprop->who.special_id)
481 {
482 case SMB_ACE4_WHO_EVERYONE:
483 gace->aceWho = ACE4_SPECIAL_EVERYONE;
484 break;
485 case SMB_ACE4_WHO_OWNER:
486 gace->aceWho = ACE4_SPECIAL_OWNER;
487 break;
488 case SMB_ACE4_WHO_GROUP:
489 gace->aceWho = ACE4_SPECIAL_GROUP;
490 break;
491 default:
492 DEBUG(8, ("unsupported special_id %d\n", aceprop->who.special_id));
493 continue; /* don't add it !!! */
494 }
495 } else {
496 /* just only for the type safety... */
497 if (aceprop->aceFlags&SMB_ACE4_IDENTIFIER_GROUP)
498 gace->aceWho = aceprop->who.gid;
499 else
500 gace->aceWho = aceprop->who.uid;
501 }
502
503 gacl->acl_nace++;
504 }
505
506 ret = smbd_gpfs_putacl(fsp->fsp_name->base_name,
507 GPFS_PUTACL_STRUCT | GPFS_ACL_SAMBA, gacl);
508 if (ret != 0) {
509 DEBUG(8, ("gpfs_putacl failed with %s\n", strerror(errno)));
510 gpfs_dumpacl(8, gacl);
511 return False;
512 }
513
514 DEBUG(10, ("gpfs_putacl succeeded\n"));
515 return True;
516 }
517
518 static NTSTATUS gpfsacl_set_nt_acl_internal(files_struct *fsp, uint32 security_info_sent, const struct security_descriptor *psd)
519 {
520 struct gpfs_acl *acl;
521 NTSTATUS result = NT_STATUS_ACCESS_DENIED;
522
523 acl = gpfs_getacl_alloc(fsp->fsp_name->base_name, 0);
524 if (acl == NULL)
525 return result;
526
527 if (acl->acl_version&GPFS_ACL_VERSION_NFS4)
528 {
529 if (lp_parm_bool(fsp->conn->params->service, "gpfs",
530 "refuse_dacl_protected", false)
531 && (psd->type&SEC_DESC_DACL_PROTECTED)) {
532 DEBUG(2, ("Rejecting unsupported ACL with DACL_PROTECTED bit set\n"));
533 return NT_STATUS_NOT_SUPPORTED;
534 }
535
536 result = smb_set_nt_acl_nfs4(
537 fsp, security_info_sent, psd,
538 gpfsacl_process_smbacl);
539 } else { /* assume POSIX ACL - by default... */
540 result = set_nt_acl(fsp, security_info_sent, psd);
541 }
542
543 return result;
544 }
545
546 static NTSTATUS gpfsacl_fset_nt_acl(vfs_handle_struct *handle, files_struct *fsp, uint32 security_info_sent, const struct security_descriptor *psd)
547 {
548 struct gpfs_config_data *config;
549
550 SMB_VFS_HANDLE_GET_DATA(handle, config,
551 struct gpfs_config_data,
552 return NT_STATUS_INTERNAL_ERROR);
553
554 if (!config->acl) {
555 return SMB_VFS_NEXT_FSET_NT_ACL(handle, fsp, security_info_sent, psd);
556 }
557
558 return gpfsacl_set_nt_acl_internal(fsp, security_info_sent, psd);
559 }
560
561 static SMB_ACL_T gpfs2smb_acl(const struct gpfs_acl *pacl, TALLOC_CTX *mem_ctx)
562 {
563 SMB_ACL_T result;
564 gpfs_aclCount_t i;
565
566 result = sys_acl_init(mem_ctx);
567 if (result == NULL) {
568 errno = ENOMEM;
569 return NULL;
570 }
571
572 result->count = pacl->acl_nace;
573
574 for (i=0; i<pacl->acl_nace; i++) {
575 struct smb_acl_entry *ace = &result->acl[i];
576 const struct gpfs_ace_v1 *g_ace = &pacl->ace_v1[i];
577
578 DEBUG(10, ("Converting type %d id %lu perm %x\n",
579 (int)g_ace->ace_type, (unsigned long)g_ace->ace_who,
580 (int)g_ace->ace_perm));
581
582 switch (g_ace->ace_type) {
583 case GPFS_ACL_USER:
584 ace->a_type = SMB_ACL_USER;
585 ace->info.user.uid = (uid_t)g_ace->ace_who;
586 break;
587 case GPFS_ACL_USER_OBJ:
588 ace->a_type = SMB_ACL_USER_OBJ;
589 break;
590 case GPFS_ACL_GROUP:
591 ace->a_type = SMB_ACL_GROUP;
592 ace->info.group.gid = (gid_t)g_ace->ace_who;
593 break;
594 case GPFS_ACL_GROUP_OBJ:
595 ace->a_type = SMB_ACL_GROUP_OBJ;
596 break;
597 case GPFS_ACL_OTHER:
598 ace->a_type = SMB_ACL_OTHER;
599 break;
600 case GPFS_ACL_MASK:
601 ace->a_type = SMB_ACL_MASK;
602 break;
603 default:
604 DEBUG(10, ("Got invalid ace_type: %d\n",
605 g_ace->ace_type));
606 errno = EINVAL;
607 TALLOC_FREE(result);
608 return NULL;
609 }
610
611 ace->a_perm = 0;
612 ace->a_perm |= (g_ace->ace_perm & ACL_PERM_READ) ?
613 SMB_ACL_READ : 0;
614 ace->a_perm |= (g_ace->ace_perm & ACL_PERM_WRITE) ?
615 SMB_ACL_WRITE : 0;
616 ace->a_perm |= (g_ace->ace_perm & ACL_PERM_EXECUTE) ?
617 SMB_ACL_EXECUTE : 0;
618
619 DEBUGADD(10, ("Converted to %d perm %x\n",
620 ace->a_type, ace->a_perm));
621 }
622
623 return result;
624 }
625
626 static SMB_ACL_T gpfsacl_get_posix_acl(const char *path, gpfs_aclType_t type,
627 TALLOC_CTX *mem_ctx)
628 {
629 struct gpfs_acl *pacl;
630 SMB_ACL_T result = NULL;
631
632 pacl = gpfs_getacl_alloc(path, type);
633
634 if (pacl == NULL) {
635 DEBUG(10, ("gpfs_getacl failed for %s with %s\n",
636 path, strerror(errno)));
637 if (errno == 0) {
638 errno = EINVAL;
639 }
640 goto done;
641 }
642
643 if (pacl->acl_version != GPFS_ACL_VERSION_POSIX) {
644 DEBUG(10, ("Got acl version %d, expected %d\n",
645 pacl->acl_version, GPFS_ACL_VERSION_POSIX));
646 errno = EINVAL;
647 goto done;
648 }
649
650 DEBUG(10, ("len: %d, level: %d, version: %d, nace: %d\n",
651 pacl->acl_len, pacl->acl_level, pacl->acl_version,
652 pacl->acl_nace));
653
654 result = gpfs2smb_acl(pacl, mem_ctx);
655 if (result != NULL) {
656 errno = 0;
657 }
658
659 done:
660
661 if (errno != 0) {
662 TALLOC_FREE(result);
663 }
664 return result;
665 }
666
667 static SMB_ACL_T gpfsacl_sys_acl_get_file(vfs_handle_struct *handle,
668 const char *path_p,
669 SMB_ACL_TYPE_T type,
670 TALLOC_CTX *mem_ctx)
671 {
672 gpfs_aclType_t gpfs_type;
673 struct gpfs_config_data *config;
674
675 SMB_VFS_HANDLE_GET_DATA(handle, config,
676 struct gpfs_config_data,
677 return NULL);
678
679 if (!config->acl) {
680 return SMB_VFS_NEXT_SYS_ACL_GET_FILE(handle, path_p,
681 type, mem_ctx);
682 }
683
684 switch(type) {
685 case SMB_ACL_TYPE_ACCESS:
686 gpfs_type = GPFS_ACL_TYPE_ACCESS;
687 break;
688 case SMB_ACL_TYPE_DEFAULT:
689 gpfs_type = GPFS_ACL_TYPE_DEFAULT;
690 break;
691 default:
692 DEBUG(0, ("Got invalid type: %d\n", type));
693 smb_panic("exiting");
694 }
695
696 return gpfsacl_get_posix_acl(path_p, gpfs_type, mem_ctx);
697 }
698
699 static SMB_ACL_T gpfsacl_sys_acl_get_fd(vfs_handle_struct *handle,
700 files_struct *fsp,
701 TALLOC_CTX *mem_ctx)
702 {
703 struct gpfs_config_data *config;
704
705 SMB_VFS_HANDLE_GET_DATA(handle, config,
706 struct gpfs_config_data,
707 return NULL);
708
709 if (!config->acl) {
710 return SMB_VFS_NEXT_SYS_ACL_GET_FD(handle, fsp, mem_ctx);
711 }
712
713 return gpfsacl_get_posix_acl(fsp->fsp_name->base_name,
714 GPFS_ACL_TYPE_ACCESS, mem_ctx);
715 }
716
717 static int gpfsacl_sys_acl_blob_get_file(vfs_handle_struct *handle,
718 const char *path_p,
719 TALLOC_CTX *mem_ctx,
720 char **blob_description,
721 DATA_BLOB *blob)
722 {
723 struct gpfs_config_data *config;
724 SMB4ACL_T *pacl = NULL;
725 int result;
726
727 SMB_VFS_HANDLE_GET_DATA(handle, config,
728 struct gpfs_config_data,
729 return -1);
730
731 if (!config->acl) {
732 return SMB_VFS_NEXT_SYS_ACL_BLOB_GET_FILE(handle, path_p,
733 mem_ctx,
734 blob_description,
735 blob);
736 }
737
738 result = gpfs_get_nfs4_acl(path_p, &pacl);
739 if (result == 0) {
740 /* We don't have a way to linearlise the NFS4 ACL
741 * right now, and it is much closer to the NT ACL
742 * anyway */
743 errno = EINVAL;
744 return -1;
745 }
746
747 return posix_sys_acl_blob_get_file(handle, path_p, mem_ctx,
748 blob_description, blob);
749 }
750
751 static int gpfsacl_sys_acl_blob_get_fd(vfs_handle_struct *handle,
752 files_struct *fsp,
753 TALLOC_CTX *mem_ctx,
754 char **blob_description,
755 DATA_BLOB *blob)
756 {
757 struct gpfs_config_data *config;
758 SMB4ACL_T *pacl = NULL;
759 int result;
760
761 SMB_VFS_HANDLE_GET_DATA(handle, config,
762 struct gpfs_config_data,
763 return -1);
764
765 if (!config->acl) {
766 return SMB_VFS_NEXT_SYS_ACL_BLOB_GET_FD(handle, fsp, mem_ctx,
767 blob_description, blob);
768 }
769
770 result = gpfs_get_nfs4_acl(fsp->fsp_name->base_name, &pacl);
771 if (result == 0) {
772 /* We don't have a way to linearlise the NFS4 ACL
773 * right now, and it is much closer to the NT ACL
774 * anyway */
775 errno = EINVAL;
776 return -1;
777 }
778
779 return posix_sys_acl_blob_get_fd(handle, fsp, mem_ctx,
780 blob_description, blob);
781 }
782
783 static struct gpfs_acl *smb2gpfs_acl(const SMB_ACL_T pacl,
784 SMB_ACL_TYPE_T type)
785 {
786 gpfs_aclLen_t len;
787 struct gpfs_acl *result;
788 int i;
789
790 DEBUG(10, ("smb2gpfs_acl: Got ACL with %d entries\n", pacl->count));
791
792 len = offsetof(gpfs_acl_t, ace_v1) + (pacl->count) *
793 sizeof(gpfs_ace_v1_t);
794
795 result = (struct gpfs_acl *)SMB_MALLOC(len);
796 if (result == NULL) {
797 errno = ENOMEM;
798 return result;
799 }
800
801 result->acl_len = len;
802 result->acl_level = 0;
803 result->acl_version = GPFS_ACL_VERSION_POSIX;
804 result->acl_type = (type == SMB_ACL_TYPE_DEFAULT) ?
805 GPFS_ACL_TYPE_DEFAULT : GPFS_ACL_TYPE_ACCESS;
806 result->acl_nace = pacl->count;
807
808 for (i=0; i<pacl->count; i++) {
809 const struct smb_acl_entry *ace = &pacl->acl[i];
810 struct gpfs_ace_v1 *g_ace = &result->ace_v1[i];
811
812 DEBUG(10, ("Converting type %d perm %x\n",
813 (int)ace->a_type, (int)ace->a_perm));
814
815 g_ace->ace_perm = 0;
816
817 switch(ace->a_type) {
818 case SMB_ACL_USER:
819 g_ace->ace_type = GPFS_ACL_USER;
820 g_ace->ace_who = (gpfs_uid_t)ace->info.user.uid;
821 break;
822 case SMB_ACL_USER_OBJ:
823 g_ace->ace_type = GPFS_ACL_USER_OBJ;
824 g_ace->ace_perm |= ACL_PERM_CONTROL;
825 g_ace->ace_who = 0;
826 break;
827 case SMB_ACL_GROUP:
828 g_ace->ace_type = GPFS_ACL_GROUP;
829 g_ace->ace_who = (gpfs_uid_t)ace->info.group.gid;
830 break;
831 case SMB_ACL_GROUP_OBJ:
832 g_ace->ace_type = GPFS_ACL_GROUP_OBJ;
833 g_ace->ace_who = 0;
834 break;
835 case SMB_ACL_MASK:
836 g_ace->ace_type = GPFS_ACL_MASK;
837 g_ace->ace_perm = 0x8f;
838 g_ace->ace_who = 0;
839 break;
840 case SMB_ACL_OTHER:
841 g_ace->ace_type = GPFS_ACL_OTHER;
842 g_ace->ace_who = 0;
843 break;
844 default:
845 DEBUG(10, ("Got invalid ace_type: %d\n", ace->a_type));
846 errno = EINVAL;
847 SAFE_FREE(result);
848 return NULL;
849 }
850
851 g_ace->ace_perm |= (ace->a_perm & SMB_ACL_READ) ?
852 ACL_PERM_READ : 0;
853 g_ace->ace_perm |= (ace->a_perm & SMB_ACL_WRITE) ?
854 ACL_PERM_WRITE : 0;
855 g_ace->ace_perm |= (ace->a_perm & SMB_ACL_EXECUTE) ?
856 ACL_PERM_EXECUTE : 0;
857
858 DEBUGADD(10, ("Converted to %d id %d perm %x\n",
859 g_ace->ace_type, g_ace->ace_who, g_ace->ace_perm));
860 }
861
862 return result;
863 }
864
865 static int gpfsacl_sys_acl_set_file(vfs_handle_struct *handle,
866 const char *name,
867 SMB_ACL_TYPE_T type,
868 SMB_ACL_T theacl)
869 {
870 struct gpfs_acl *gpfs_acl;
871 int result;
872 struct gpfs_config_data *config;
873
874 SMB_VFS_HANDLE_GET_DATA(handle, config,
875 struct gpfs_config_data,
876 return -1);
877
878 if (!config->acl) {
879 return SMB_VFS_NEXT_SYS_ACL_SET_FILE(handle, name, type, theacl);
880 }
881
882 gpfs_acl = smb2gpfs_acl(theacl, type);
883 if (gpfs_acl == NULL) {
884 return -1;
885 }
886
887 result = smbd_gpfs_putacl((char *)name, GPFS_PUTACL_STRUCT | GPFS_ACL_SAMBA, gpfs_acl);
888
889 SAFE_FREE(gpfs_acl);
890 return result;
891 }
892
893 static int gpfsacl_sys_acl_set_fd(vfs_handle_struct *handle,
894 files_struct *fsp,
895 SMB_ACL_T theacl)
896 {
897 struct gpfs_config_data *config;
898
899 SMB_VFS_HANDLE_GET_DATA(handle, config,
900 struct gpfs_config_data,
901 return -1);
902
903 if (!config->acl) {
904 return SMB_VFS_NEXT_SYS_ACL_SET_FD(handle, fsp, theacl);
905 }
906
907 return gpfsacl_sys_acl_set_file(handle, fsp->fsp_name->base_name,
908 SMB_ACL_TYPE_ACCESS, theacl);
909 }
910
911 static int gpfsacl_sys_acl_delete_def_file(vfs_handle_struct *handle,
912 const char *path)
913 {
914 struct gpfs_config_data *config;
915
916 SMB_VFS_HANDLE_GET_DATA(handle, config,
917 struct gpfs_config_data,
918 return -1);
919
920 if (!config->acl) {
921 return SMB_VFS_NEXT_SYS_ACL_DELETE_DEF_FILE(handle, path);
922 }
923
924 errno = ENOTSUP;
925 return -1;
926 }
927
928 /*
929 * Assumed: mode bits are shiftable and standard
930 * Output: the new aceMask field for an smb nfs4 ace
931 */
932 static uint32 gpfsacl_mask_filter(uint32 aceType, uint32 aceMask, uint32 rwx)
933 {
934 const uint32 posix_nfs4map[3] = {
935 SMB_ACE4_EXECUTE, /* execute */
936 SMB_ACE4_WRITE_DATA | SMB_ACE4_APPEND_DATA, /* write; GPFS specific */
937 SMB_ACE4_READ_DATA /* read */
938 };
939 int i;
940 uint32_t posix_mask = 0x01;
941 uint32_t posix_bit;
942 uint32_t nfs4_bits;
943
944 for(i=0; i<3; i++) {
945 nfs4_bits = posix_nfs4map[i];
946 posix_bit = rwx & posix_mask;
947
948 if (aceType==SMB_ACE4_ACCESS_ALLOWED_ACE_TYPE) {
949 if (posix_bit)
950 aceMask |= nfs4_bits;
951 else
952 aceMask &= ~nfs4_bits;
953 } else {
954 /* add deny bits when suitable */
955 if (!posix_bit)
956 aceMask |= nfs4_bits;
957 else
958 aceMask &= ~nfs4_bits;
959 } /* other ace types are unexpected */
960
961 posix_mask <<= 1;
962 }
963
964 return aceMask;
965 }
966
967 static int gpfsacl_emu_chmod(const char *path, mode_t mode)
968 {
969 SMB4ACL_T *pacl = NULL;
970 int result;
971 bool haveAllowEntry[SMB_ACE4_WHO_EVERYONE + 1] = {False, False, False, False};
972 int i;
973 files_struct fake_fsp; /* TODO: rationalize parametrization */
974 SMB4ACE_T *smbace;
975 NTSTATUS status;
976
977 DEBUG(10, ("gpfsacl_emu_chmod invoked for %s mode %o\n", path, mode));
978
979 result = gpfs_get_nfs4_acl(path, &pacl);
980 if (result)
981 return result;
982
983 if (mode & ~(S_IRWXU | S_IRWXG | S_IRWXO)) {
984 DEBUG(2, ("WARNING: cutting extra mode bits %o on %s\n", mode, path));
985 }
986
987 for (smbace=smb_first_ace4(pacl); smbace!=NULL; smbace = smb_next_ace4(smbace)) {
988 SMB_ACE4PROP_T *ace = smb_get_ace4(smbace);
989 uint32_t specid = ace->who.special_id;
990
991 if (ace->flags&SMB_ACE4_ID_SPECIAL &&
992 ace->aceType<=SMB_ACE4_ACCESS_DENIED_ACE_TYPE &&
993 specid <= SMB_ACE4_WHO_EVERYONE) {
994
995 uint32_t newMask;
996
997 if (ace->aceType==SMB_ACE4_ACCESS_ALLOWED_ACE_TYPE)
998 haveAllowEntry[specid] = True;
999
1000 /* mode >> 6 for @owner, mode >> 3 for @group,
1001 * mode >> 0 for @everyone */
1002 newMask = gpfsacl_mask_filter(ace->aceType, ace->aceMask,
1003 mode >> ((SMB_ACE4_WHO_EVERYONE - specid) * 3));
1004 if (ace->aceMask!=newMask) {
1005 DEBUG(10, ("ace changed for %s (%o -> %o) id=%d\n",
1006 path, ace->aceMask, newMask, specid));
1007 }
1008 ace->aceMask = newMask;
1009 }
1010 }
1011
1012 /* make sure we have at least ALLOW entries
1013 * for all the 3 special ids (@EVERYONE, @OWNER, @GROUP)
1014 * - if necessary
1015 */
1016 for(i = SMB_ACE4_WHO_OWNER; i<=SMB_ACE4_WHO_EVERYONE; i++) {
1017 SMB_ACE4PROP_T ace;
1018
1019 if (haveAllowEntry[i]==True)
1020 continue;
1021
1022 ZERO_STRUCT(ace);
1023 ace.aceType = SMB_ACE4_ACCESS_ALLOWED_ACE_TYPE;
1024 ace.flags |= SMB_ACE4_ID_SPECIAL;
1025 ace.who.special_id = i;
1026
1027 if (i==SMB_ACE4_WHO_GROUP) /* not sure it's necessary... */
1028 ace.aceFlags |= SMB_ACE4_IDENTIFIER_GROUP;
1029
1030 ace.aceMask = gpfsacl_mask_filter(ace.aceType, ace.aceMask,
1031 mode >> ((SMB_ACE4_WHO_EVERYONE - i) * 3));
1032
1033 /* don't add unnecessary aces */
1034 if (!ace.aceMask)
1035 continue;
1036
1037 /* we add it to the END - as windows expects allow aces */
1038 smb_add_ace4(pacl, &ace);
1039 DEBUG(10, ("Added ALLOW ace for %s, mode=%o, id=%d, aceMask=%x\n",
1040 path, mode, i, ace.aceMask));
1041 }
1042
1043 /* don't add complementary DENY ACEs here */
1044 ZERO_STRUCT(fake_fsp);
1045 status = create_synthetic_smb_fname(talloc_tos(), path, NULL, NULL,
1046 &fake_fsp.fsp_name);
1047 if (!NT_STATUS_IS_OK(status)) {
1048 errno = map_errno_from_nt_status(status);
1049 return -1;
1050 }
1051 /* put the acl */
1052 if (gpfsacl_process_smbacl(&fake_fsp, pacl) == False) {
1053 TALLOC_FREE(fake_fsp.fsp_name);
1054 return -1;
1055 }
1056
1057 TALLOC_FREE(fake_fsp.fsp_name);
1058 return 0; /* ok for [f]chmod */
1059 }
1060
1061 static int vfs_gpfs_chmod(vfs_handle_struct *handle, const char *path, mode_t mode)
1062 {
1063 struct smb_filename *smb_fname_cpath;
1064 int rc;
1065 NTSTATUS status;
1066
1067 status = create_synthetic_smb_fname(
1068 talloc_tos(), path, NULL, NULL, &smb_fname_cpath);
1069
1070 if (SMB_VFS_NEXT_STAT(handle, smb_fname_cpath) != 0) {
1071 return -1;
1072 }
1073
1074 /* avoid chmod() if possible, to preserve acls */
1075 if ((smb_fname_cpath->st.st_ex_mode & ~S_IFMT) == mode) {
1076 return 0;
1077 }
1078
1079 rc = gpfsacl_emu_chmod(path, mode);
1080 if (rc == 1)
1081 return SMB_VFS_NEXT_CHMOD(handle, path, mode);
1082 return rc;
1083 }
1084
1085 static int vfs_gpfs_fchmod(vfs_handle_struct *handle, files_struct *fsp, mode_t mode)
1086 {
1087 SMB_STRUCT_STAT st;
1088 int rc;
1089
1090 if (SMB_VFS_NEXT_FSTAT(handle, fsp, &st) != 0) {
1091 return -1;
1092 }
1093
1094 /* avoid chmod() if possible, to preserve acls */
1095 if ((st.st_ex_mode & ~S_IFMT) == mode) {
1096 return 0;
1097 }
1098
1099 rc = gpfsacl_emu_chmod(fsp->fsp_name->base_name, mode);
1100 if (rc == 1)
1101 return SMB_VFS_NEXT_FCHMOD(handle, fsp, mode);
1102 return rc;
1103 }
1104
1105 static int gpfs_set_xattr(struct vfs_handle_struct *handle, const char *path,
1106 const char *name, const void *value, size_t size, int flags){
1107 struct xattr_DOSATTRIB dosattrib;
1108 enum ndr_err_code ndr_err;
1109 DATA_BLOB blob;
1110 const char *attrstr = value;
1111 unsigned int dosmode=0;
1112 struct gpfs_winattr attrs;
1113 int ret = 0;
1114 struct gpfs_config_data *config;
1115
1116 SMB_VFS_HANDLE_GET_DATA(handle, config,
1117 struct gpfs_config_data,
1118 return -1);
1119
1120 if (!config->winattr) {
1121 DEBUG(10, ("gpfs_set_xattr:name is %s -> next\n",name));
1122 return SMB_VFS_NEXT_SETXATTR(handle,path,name,value,size,flags);
1123 }
1124
1125 DEBUG(10, ("gpfs_set_xattr: %s \n",path));
1126
1127 /* Only handle DOS Attributes */
1128 if (strcmp(name,SAMBA_XATTR_DOS_ATTRIB) != 0){
1129 DEBUG(5, ("gpfs_set_xattr:name is %s\n",name));
1130 return SMB_VFS_NEXT_SETXATTR(handle,path,name,value,size,flags);
1131 }
1132
1133 blob.data = (uint8_t *)attrstr;
1134 blob.length = size;
1135
1136 ndr_err = ndr_pull_struct_blob(&blob, talloc_tos(), &dosattrib,
1137 (ndr_pull_flags_fn_t)ndr_pull_xattr_DOSATTRIB);
1138
1139 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
1140 DEBUG(1, ("gpfs_set_xattr: bad ndr decode "
1141 "from EA on file %s: Error = %s\n",
1142 path, ndr_errstr(ndr_err)));
1143 return false;
1144 }
1145
1146 if (dosattrib.version != 3) {
1147 DEBUG(1, ("gpfs_set_xattr: expected dosattrib version 3, got "
1148 "%d\n", (int)dosattrib.version));
1149 return false;
1150 }
1151 if (!(dosattrib.info.info3.valid_flags & XATTR_DOSINFO_ATTRIB)) {
1152 DEBUG(10, ("gpfs_set_xattr: XATTR_DOSINFO_ATTRIB not "
1153 "valid, ignoring\n"));
1154 return true;
1155 }
1156
1157 dosmode = dosattrib.info.info3.attrib;
1158
1159 attrs.winAttrs = 0;
1160 /*Just map RD_ONLY, ARCHIVE, SYSTEM HIDDEN and SPARSE. Ignore the others*/
1161 if (dosmode & FILE_ATTRIBUTE_ARCHIVE){
1162 attrs.winAttrs |= GPFS_WINATTR_ARCHIVE;
1163 }
1164 if (dosmode & FILE_ATTRIBUTE_HIDDEN){
1165 attrs.winAttrs |= GPFS_WINATTR_HIDDEN;
1166 }
1167 if (dosmode & FILE_ATTRIBUTE_SYSTEM){
1168 attrs.winAttrs |= GPFS_WINATTR_SYSTEM;
1169 }
1170 if (dosmode & FILE_ATTRIBUTE_READONLY){
1171 attrs.winAttrs |= GPFS_WINATTR_READONLY;
1172 }
1173 if (dosmode & FILE_ATTRIBUTE_SPARSE) {
1174 attrs.winAttrs |= GPFS_WINATTR_SPARSE_FILE;
1175 }
1176
1177
1178 ret = set_gpfs_winattrs(discard_const_p(char, path),
1179 GPFS_WINATTR_SET_ATTRS, &attrs);
1180 if ( ret == -1){
1181 if (errno == ENOSYS) {
1182 return SMB_VFS_NEXT_SETXATTR(handle, path, name, value,
1183 size, flags);
1184 }
1185
1186 DEBUG(1, ("gpfs_set_xattr:Set GPFS attributes failed %d\n",ret));
1187 return -1;
1188 }
1189
1190 DEBUG(10, ("gpfs_set_xattr:Set attributes: 0x%x\n",attrs.winAttrs));
1191 return 0;
1192 }
1193
1194 static ssize_t gpfs_get_xattr(struct vfs_handle_struct *handle, const char *path,
1195 const char *name, void *value, size_t size){
1196 char *attrstr = value;
1197 unsigned int dosmode = 0;
1198 struct gpfs_winattr attrs;
1199 int ret = 0;
1200 struct gpfs_config_data *config;
1201
1202 SMB_VFS_HANDLE_GET_DATA(handle, config,
1203 struct gpfs_config_data,
1204 return -1);
1205
1206 if (!config->winattr) {
1207 DEBUG(10, ("gpfs_get_xattr:name is %s -> next\n",name));
1208 return SMB_VFS_NEXT_GETXATTR(handle,path,name,value,size);
1209 }
1210
1211 DEBUG(10, ("gpfs_get_xattr: %s \n",path));
1212
1213 /* Only handle DOS Attributes */
1214 if (strcmp(name,SAMBA_XATTR_DOS_ATTRIB) != 0){
1215 DEBUG(5, ("gpfs_get_xattr:name is %s\n",name));
1216 return SMB_VFS_NEXT_GETXATTR(handle,path,name,value,size);
1217 }
1218
1219 ret = get_gpfs_winattrs(discard_const_p(char, path), &attrs);
1220 if ( ret == -1){
1221 if (errno == ENOSYS) {
1222 return SMB_VFS_NEXT_GETXATTR(handle, path, name, value,
1223 size);
1224 }
1225
1226 DEBUG(1, ("gpfs_get_xattr: Get GPFS attributes failed: "
1227 "%d (%s)\n", ret, strerror(errno)));
1228 return -1;
1229 }
1230
1231 DEBUG(10, ("gpfs_get_xattr:Got attributes: 0x%x\n",attrs.winAttrs));
1232
1233 /*Just map RD_ONLY, ARCHIVE, SYSTEM, HIDDEN and SPARSE. Ignore the others*/
1234 if (attrs.winAttrs & GPFS_WINATTR_ARCHIVE){
1235 dosmode |= FILE_ATTRIBUTE_ARCHIVE;
1236 }
1237 if (attrs.winAttrs & GPFS_WINATTR_HIDDEN){
1238 dosmode |= FILE_ATTRIBUTE_HIDDEN;
1239 }
1240 if (attrs.winAttrs & GPFS_WINATTR_SYSTEM){
1241 dosmode |= FILE_ATTRIBUTE_SYSTEM;
1242 }
1243 if (attrs.winAttrs & GPFS_WINATTR_READONLY){
1244 dosmode |= FILE_ATTRIBUTE_READONLY;
1245 }
1246 if (attrs.winAttrs & GPFS_WINATTR_SPARSE_FILE) {
1247 dosmode |= FILE_ATTRIBUTE_SPARSE;
1248 }
1249
1250 snprintf(attrstr, size, "0x%2.2x",
1251 (unsigned int)(dosmode & SAMBA_ATTRIBUTES_MASK));
1252 DEBUG(10, ("gpfs_get_xattr: returning %s\n",attrstr));
1253 return 4;
1254 }
1255
1256 static int vfs_gpfs_stat(struct vfs_handle_struct *handle,
1257 struct smb_filename *smb_fname)
1258 {
1259 struct gpfs_winattr attrs;
1260 char *fname = NULL;
1261 NTSTATUS status;
1262 int ret;
1263 struct gpfs_config_data *config;
1264
1265 SMB_VFS_HANDLE_GET_DATA(handle, config,
1266 struct gpfs_config_data,
1267 return -1);
1268
1269 ret = SMB_VFS_NEXT_STAT(handle, smb_fname);
1270 if (ret == -1) {
1271 return -1;
1272 }
1273
1274 if (!config->winattr) {
1275 return 0;
1276 }
1277
1278 status = get_full_smb_filename(talloc_tos(), smb_fname, &fname);
1279 if (!NT_STATUS_IS_OK(status)) {
1280 errno = map_errno_from_nt_status(status);
1281 return -1;
1282 }
1283 ret = get_gpfs_winattrs(discard_const_p(char, fname), &attrs);
1284 TALLOC_FREE(fname);
1285 if (ret == 0) {
1286 smb_fname->st.st_ex_calculated_birthtime = false;
1287 smb_fname->st.st_ex_btime.tv_sec = attrs.creationTime.tv_sec;
1288 smb_fname->st.st_ex_btime.tv_nsec = attrs.creationTime.tv_nsec;
1289 smb_fname->st.vfs_private = attrs.winAttrs;
1290 }
1291 return 0;
1292 }
1293
1294 static int vfs_gpfs_fstat(struct vfs_handle_struct *handle,
1295 struct files_struct *fsp, SMB_STRUCT_STAT *sbuf)
1296 {
1297 struct gpfs_winattr attrs;
1298 int ret;
1299 struct gpfs_config_data *config;
1300
1301 SMB_VFS_HANDLE_GET_DATA(handle, config,
1302 struct gpfs_config_data,
1303 return -1);
1304
1305 ret = SMB_VFS_NEXT_FSTAT(handle, fsp, sbuf);
1306 if (ret == -1) {
1307 return -1;
1308 }
1309 if ((fsp->fh == NULL) || (fsp->fh->fd == -1)) {
1310 return 0;
1311 }
1312 if (!config->winattr) {
1313 return 0;
1314 }
1315
1316 ret = smbd_fget_gpfs_winattrs(fsp->fh->fd, &attrs);
1317 if (ret == 0) {
1318 sbuf->st_ex_calculated_birthtime = false;
1319 sbuf->st_ex_btime.tv_sec = attrs.creationTime.tv_sec;
1320 sbuf->st_ex_btime.tv_nsec = attrs.creationTime.tv_nsec;
1321 }
1322 return 0;
1323 }
1324
1325 static int vfs_gpfs_lstat(struct vfs_handle_struct *handle,
1326 struct smb_filename *smb_fname)
1327 {
1328 struct gpfs_winattr attrs;
1329 char *path = NULL;
1330 NTSTATUS status;
1331 int ret;
1332 struct gpfs_config_data *config;
1333
1334 SMB_VFS_HANDLE_GET_DATA(handle, config,
1335 struct gpfs_config_data,
1336 return -1);
1337
1338 ret = SMB_VFS_NEXT_LSTAT(handle, smb_fname);
1339 if (ret == -1) {
1340 return -1;
1341 }
1342 if (!config->winattr) {
1343 return 0;
1344 }
1345
1346 status = get_full_smb_filename(talloc_tos(), smb_fname, &path);
1347 if (!NT_STATUS_IS_OK(status)) {
1348 errno = map_errno_from_nt_status(status);
1349 return -1;
1350 }
1351 ret = get_gpfs_winattrs(discard_const_p(char, path), &attrs);
1352 TALLOC_FREE(path);
1353 if (ret == 0) {
1354 smb_fname->st.st_ex_calculated_birthtime = false;
1355 smb_fname->st.st_ex_btime.tv_sec = attrs.creationTime.tv_sec;
1356 smb_fname->st.st_ex_btime.tv_nsec = attrs.creationTime.tv_nsec;
1357 smb_fname->st.vfs_private = attrs.winAttrs;
1358 }
1359 return 0;
1360 }
1361
1362 static int vfs_gpfs_ntimes(struct vfs_handle_struct *handle,
1363 const struct smb_filename *smb_fname,
1364 struct smb_file_time *ft)
1365 {
1366
1367 struct gpfs_winattr attrs;
1368 int ret;
1369 char *path = NULL;
1370 NTSTATUS status;
1371 struct gpfs_config_data *config;
1372
1373 SMB_VFS_HANDLE_GET_DATA(handle, config,
1374 struct gpfs_config_data,
1375 return -1);
1376
1377 ret = SMB_VFS_NEXT_NTIMES(handle, smb_fname, ft);
1378 if(ret == -1){
1379 /* don't complain if access was denied */
1380 if (errno != EPERM && errno != EACCES) {
1381 DEBUG(1,("vfs_gpfs_ntimes: SMB_VFS_NEXT_NTIMES failed:"
1382 "%s", strerror(errno)));
1383 }
1384 return -1;
1385 }
1386
1387 if(null_timespec(ft->create_time)){
1388 DEBUG(10,("vfs_gpfs_ntimes:Create Time is NULL\n"));
1389 return 0;
1390 }
1391
1392 if (!config->winattr) {
1393 return 0;
1394 }
1395
1396 status = get_full_smb_filename(talloc_tos(), smb_fname, &path);
1397 if (!NT_STATUS_IS_OK(status)) {
1398 errno = map_errno_from_nt_status(status);
1399 return -1;
1400 }
1401
1402 attrs.winAttrs = 0;
1403 attrs.creationTime.tv_sec = ft->create_time.tv_sec;
1404 attrs.creationTime.tv_nsec = ft->create_time.tv_nsec;
1405
1406 ret = set_gpfs_winattrs(discard_const_p(char, path),
1407 GPFS_WINATTR_SET_CREATION_TIME, &attrs);
1408 if(ret == -1 && errno != ENOSYS){
1409 DEBUG(1,("vfs_gpfs_ntimes: set GPFS ntimes failed %d\n",ret));
1410 return -1;
1411 }
1412 return 0;
1413
1414 }
1415
1416 static int vfs_gpfs_fallocate(struct vfs_handle_struct *handle,
1417 struct files_struct *fsp, enum vfs_fallocate_mode mode,
1418 off_t offset, off_t len)
1419 {
1420 int ret;
1421 struct gpfs_config_data *config;
1422
1423 SMB_VFS_HANDLE_GET_DATA(handle, config,
1424 struct gpfs_config_data,
1425 return -1);
1426
1427 if (!config->prealloc) {
1428 /* you should better not run fallocate() on GPFS at all */
1429 errno = ENOTSUP;
1430 return -1;
1431 }
1432
1433 if (mode == VFS_FALLOCATE_KEEP_SIZE) {
1434 DEBUG(10, ("Unsupported VFS_FALLOCATE_KEEP_SIZE\n"));
1435 errno = ENOTSUP;
1436 return -1;
1437 }
1438
1439 ret = smbd_gpfs_prealloc(fsp->fh->fd, offset, len);
1440
1441 if (ret == -1 && errno != ENOSYS) {
1442 DEBUG(0, ("GPFS prealloc failed: %s\n", strerror(errno)));
1443 } else if (ret == -1 && errno == ENOSYS) {
1444 DEBUG(10, ("GPFS prealloc not supported.\n"));
1445 } else {
1446 DEBUG(10, ("GPFS prealloc succeeded.\n"));
1447 }
1448
1449 return ret;
1450 }
1451
1452 static int vfs_gpfs_ftruncate(vfs_handle_struct *handle, files_struct *fsp,
1453 off_t len)
1454 {
1455 int result;
1456 struct gpfs_config_data *config;
1457
1458 SMB_VFS_HANDLE_GET_DATA(handle, config,
1459 struct gpfs_config_data,
1460 return -1);
1461
1462 if (!config->ftruncate) {
1463 return SMB_VFS_NEXT_FTRUNCATE(handle, fsp, len);
1464 }
1465
1466 result = smbd_gpfs_ftruncate(fsp->fh->fd, len);
1467 if ((result == -1) && (errno == ENOSYS)) {
1468 return SMB_VFS_NEXT_FTRUNCATE(handle, fsp, len);
1469 }
1470 return result;
1471 }
1472
1473 static bool vfs_gpfs_is_offline(struct vfs_handle_struct *handle,
1474 const struct smb_filename *fname,
1475 SMB_STRUCT_STAT *sbuf)
1476 {
1477 struct gpfs_winattr attrs;
1478 char *path = NULL;
1479 NTSTATUS status;
1480 struct gpfs_config_data *config;
1481
1482 SMB_VFS_HANDLE_GET_DATA(handle, config,
1483 struct gpfs_config_data,
1484 return -1);
1485
1486 if (!config->winattr) {
1487 return SMB_VFS_NEXT_IS_OFFLINE(handle, fname, sbuf);
1488 }
1489
1490 status = get_full_smb_filename(talloc_tos(), fname, &path);
1491 if (!NT_STATUS_IS_OK(status)) {
1492 errno = map_errno_from_nt_status(status);
1493 return -1;
1494 }
1495
1496 if (VALID_STAT(*sbuf)) {
1497 attrs.winAttrs = sbuf->vfs_private;
1498 } else {
1499 int ret;
1500 ret = get_gpfs_winattrs(path, &attrs);
1501
1502 if (ret == -1) {
1503 TALLOC_FREE(path);
1504 return false;
1505 }
1506 }
1507 if ((attrs.winAttrs & GPFS_WINATTR_OFFLINE) != 0) {
1508 DEBUG(10, ("%s is offline\n", path));
1509 TALLOC_FREE(path);
1510 return true;
1511 }
1512 DEBUG(10, ("%s is online\n", path));
1513 TALLOC_FREE(path);
1514 return SMB_VFS_NEXT_IS_OFFLINE(handle, fname, sbuf);
1515 }
1516
1517 static bool vfs_gpfs_aio_force(struct vfs_handle_struct *handle,
1518 struct files_struct *fsp)
1519 {
1520 return vfs_gpfs_is_offline(handle, fsp->fsp_name, &fsp->fsp_name->st);
1521 }
1522
1523 static ssize_t vfs_gpfs_sendfile(vfs_handle_struct *handle, int tofd,
1524 files_struct *fsp, const DATA_BLOB *hdr,
1525 off_t offset, size_t n)
1526 {
1527 if ((fsp->fsp_name->st.vfs_private & GPFS_WINATTR_OFFLINE) != 0) {
1528 errno = ENOSYS;
1529 return -1;
1530 }
1531 return SMB_VFS_NEXT_SENDFILE(handle, tofd, fsp, hdr, offset, n);
1532 }
1533
1534 static int vfs_gpfs_connect(struct vfs_handle_struct *handle,
1535 const char *service, const char *user)
1536 {
1537 struct gpfs_config_data *config;
1538 int ret;
1539
1540 smbd_gpfs_lib_init();
1541
1542 ret = SMB_VFS_NEXT_CONNECT(handle, service, user);
1543
1544 if (ret < 0) {
1545 return ret;
1546 }
1547
1548 config = talloc_zero(handle->conn, struct gpfs_config_data);
1549 if (!config) {
1550 SMB_VFS_NEXT_DISCONNECT(handle);
1551 DEBUG(0, ("talloc_zero() failed\n"));
1552 return -1;
1553 }
1554
1555 config->sharemodes = lp_parm_bool(SNUM(handle->conn), "gpfs",
1556 "sharemodes", true);
1557
1558 config->leases = lp_parm_bool(SNUM(handle->conn), "gpfs",
1559 "leases", true);
1560
1561 config->hsm = lp_parm_bool(SNUM(handle->conn), "gpfs",
1562 "hsm", false);
1563
1564 config->syncio = lp_parm_bool(SNUM(handle->conn), "gpfs",
1565 "syncio", false);
1566
1567 config->winattr = lp_parm_bool(SNUM(handle->conn), "gpfs",
1568 "winattr", false);
1569
1570 config->ftruncate = lp_parm_bool(SNUM(handle->conn), "gpfs",
1571 "ftruncate", true);
1572
1573 config->getrealfilename = lp_parm_bool(SNUM(handle->conn), "gpfs",
1574 "getrealfilename", true);
1575
1576 config->dfreequota = lp_parm_bool(SNUM(handle->conn), "gpfs",
1577 "dfreequota", false);
1578
1579 config->prealloc = lp_parm_bool(SNUM(handle->conn), "gpfs",
1580 "prealloc", true);
1581
1582 config->acl = lp_parm_bool(SNUM(handle->conn), "gpfs", "acl", true);
1583
1584 SMB_VFS_HANDLE_SET_DATA(handle, config,
1585 NULL, struct gpfs_config_data,
1586 return -1);
1587
1588 if (config->leases) {
1589 /*
1590 * GPFS lease code is based on kernel oplock code
1591 * so make sure it is turned on
1592 */
1593 if (!lp_kernel_oplocks(SNUM(handle->conn))) {
1594 DEBUG(5, ("Enabling kernel oplocks for "
1595 "gpfs:leases to work\n"));
1596 lp_do_parameter(SNUM(handle->conn), "kernel oplocks",
1597 "true");
1598 }
1599
1600 /*
1601 * as the kernel does not properly support Level II oplocks
1602 * and GPFS leases code is based on kernel infrastructure, we
1603 * need to turn off Level II oplocks if gpfs:leases is enabled
1604 */
1605 if (lp_level2_oplocks(SNUM(handle->conn))) {
1606 DEBUG(5, ("gpfs:leases are enabled, disabling "
1607 "Level II oplocks\n"));
1608 lp_do_parameter(SNUM(handle->conn), "level2 oplocks",
1609 "false");
1610 }
1611 }
1612
1613 return 0;
1614 }
1615
1616 static int vfs_gpfs_get_quotas(const char *path, uid_t uid, gid_t gid,
1617 int *fset_id,
1618 struct gpfs_quotaInfo *qi_user,
1619 struct gpfs_quotaInfo *qi_group,
1620 struct gpfs_quotaInfo *qi_fset)
1621 {
1622 int err;
1623 char *dir_path;
1624 bool b;
1625
1626 /*
1627 * We want to always use the directory to get the fileset id,
1628 * because files might have a share mode. We also do not want
1629 * to get the parent directory when there is already a
1630 * directory to avoid stepping in a different fileset. The
1631 * path passed here is currently either "." or a filename, so
1632 * this is ok. The proper solution would be having a way to
1633 * query the fileset id without opening the file.
1634 */
1635 b = parent_dirname(talloc_tos(), path, &dir_path, NULL);
1636 if (!b) {
1637 errno = ENOMEM;
1638 return -1;
1639 }
1640
1641 DEBUG(10, ("path %s, directory %s\n", path, dir_path));
1642
1643 err = get_gpfs_fset_id(dir_path, fset_id);
1644 if (err) {
1645 DEBUG(0, ("Get fset id failed path %s, dir %s, errno %d.\n",
1646 path, dir_path, errno));
1647 return err;
1648 }
1649
1650 err = get_gpfs_quota(path, GPFS_USRQUOTA, uid, qi_user);
1651 if (err) {
1652 return err;
1653 }
1654
1655 err = get_gpfs_quota(path, GPFS_GRPQUOTA, gid, qi_group);
1656 if (err) {
1657 return err;
1658 }
1659
1660 err = get_gpfs_quota(path, GPFS_FILESETQUOTA, *fset_id, qi_fset);
1661 if (err) {
1662 return err;
1663 }
1664
1665 return 0;
1666 }
1667
1668 static void vfs_gpfs_disk_free_quota(struct gpfs_quotaInfo qi, time_t cur_time,
1669 uint64_t *dfree, uint64_t *dsize)
1670 {
1671 uint64_t usage, limit;
1672
1673 /*
1674 * The quota reporting is done in units of 1024 byte blocks, but
1675 * sys_fsusage uses units of 512 byte blocks, adjust the block number
1676 * accordingly. Also filter possibly negative usage counts from gpfs.
1677 */
1678 usage = qi.blockUsage < 0 ? 0 : (uint64_t)qi.blockUsage * 2;
1679 limit = (uint64_t)qi.blockHardLimit * 2;
1680
1681 /*
1682 * When the grace time for the exceeded soft block quota has been
1683 * exceeded, the soft block quota becomes an additional hard limit.
1684 */
1685 if (qi.blockSoftLimit &&
1686 qi.blockGraceTime && cur_time > qi.blockGraceTime) {
1687 /* report disk as full */
1688 *dfree = 0;
1689 *dsize = MIN(*dsize, usage);
1690 }
1691
1692 if (!qi.blockHardLimit)
1693 return;
1694
1695 if (usage >= limit) {
1696 /* report disk as full */
1697 *dfree = 0;
1698 *dsize = MIN(*dsize, usage);
1699
1700 } else {
1701 /* limit has not been reached, determine "free space" */
1702 *dfree = MIN(*dfree, limit - usage);
1703 *dsize = MIN(*dsize, limit);
1704 }
1705 }
1706
1707 static uint64_t vfs_gpfs_disk_free(vfs_handle_struct *handle, const char *path,
1708 bool small_query, uint64_t *bsize,
1709 uint64_t *dfree, uint64_t *dsize)
1710 {
1711 struct security_unix_token *utok;
1712 struct gpfs_quotaInfo qi_user, qi_group, qi_fset;
1713 struct gpfs_config_data *config;
1714 int err, fset_id;
1715 time_t cur_time;
1716
1717 SMB_VFS_HANDLE_GET_DATA(handle, config, struct gpfs_config_data,
1718 return (uint64_t)-1);
1719 if (!config->dfreequota) {
1720 return SMB_VFS_NEXT_DISK_FREE(handle, path, small_query,
1721 bsize, dfree, dsize);
1722 }
1723
1724 err = sys_fsusage(path, dfree, dsize);
1725 if (err) {
1726 DEBUG (0, ("Could not get fs usage, errno %d\n", errno));
1727 return SMB_VFS_NEXT_DISK_FREE(handle, path, small_query,
1728 bsize, dfree, dsize);
1729 }
1730
1731 /* sys_fsusage returns units of 512 bytes */
1732 *bsize = 512;
1733
1734 DEBUG(10, ("fs dfree %llu, dsize %llu\n",
1735 (unsigned long long)*dfree, (unsigned long long)*dsize));
1736
1737 utok = handle->conn->session_info->unix_token;
1738 err = vfs_gpfs_get_quotas(path, utok->uid, utok->gid, &fset_id,
1739 &qi_user, &qi_group, &qi_fset);
1740 if (err) {
1741 return SMB_VFS_NEXT_DISK_FREE(handle, path, small_query,
1742 bsize, dfree, dsize);
1743 }
1744
1745 cur_time = time(NULL);
1746
1747 /* Adjust free space and size according to quota limits. */
1748 vfs_gpfs_disk_free_quota(qi_user, cur_time, dfree, dsize);
1749 vfs_gpfs_disk_free_quota(qi_group, cur_time, dfree, dsize);
1750
1751 /* Id 0 indicates the default quota, not an actual quota */
1752 if (fset_id != 0) {
1753 vfs_gpfs_disk_free_quota(qi_fset, cur_time, dfree, dsize);
1754 }
1755
1756 disk_norm(small_query, bsize, dfree, dsize);
1757 return *dfree;
1758 }
1759
1760 static uint32_t vfs_gpfs_capabilities(struct vfs_handle_struct *handle,
1761 enum timestamp_set_resolution *p_ts_res)
1762 {
1763 struct gpfs_config_data *config;
1764 uint32_t next;
1765
1766 next = SMB_VFS_NEXT_FS_CAPABILITIES(handle, p_ts_res);
1767
1768 SMB_VFS_HANDLE_GET_DATA(handle, config,
1769 struct gpfs_config_data,
1770 return next);
1771
1772 if (config->hsm) {
1773 next |= FILE_SUPPORTS_REMOTE_STORAGE;
1774 }
1775 return next;
1776 }
1777
1778 static int vfs_gpfs_open(struct vfs_handle_struct *handle,
1779 struct smb_filename *smb_fname, files_struct *fsp,
1780 int flags, mode_t mode)
1781 {
1782 struct gpfs_config_data *config;
1783
1784 SMB_VFS_HANDLE_GET_DATA(handle, config,
1785 struct gpfs_config_data,
1786 return -1);
1787
1788 if (config->syncio) {
1789 flags |= O_SYNC;
1790 }
1791 return SMB_VFS_NEXT_OPEN(handle, smb_fname, fsp, flags, mode);
1792 }
1793
1794 static ssize_t vfs_gpfs_pread(vfs_handle_struct *handle, files_struct *fsp,
1795 void *data, size_t n, off_t offset)
1796 {
1797 ssize_t ret;
1798
1799 ret = SMB_VFS_NEXT_PREAD(handle, fsp, data, n, offset);
1800
1801 DEBUG(10, ("vfs_private = %x\n",
1802 (unsigned int)fsp->fsp_name->st.vfs_private));
1803
1804 if ((ret != -1) &&
1805 ((fsp->fsp_name->st.vfs_private & GPFS_WINATTR_OFFLINE) != 0)) {
1806 fsp->fsp_name->st.vfs_private &= ~GPFS_WINATTR_OFFLINE;
1807 notify_fname(handle->conn, NOTIFY_ACTION_MODIFIED,
1808 FILE_NOTIFY_CHANGE_ATTRIBUTES,
1809 fsp->fsp_name->base_name);
1810 }
1811
1812 return ret;
1813 }
1814
1815 struct vfs_gpfs_pread_state {
1816 struct files_struct *fsp;
1817 ssize_t ret;
1818 int err;
1819 };
1820
1821 static void vfs_gpfs_pread_done(struct tevent_req *subreq);
1822
1823 static struct tevent_req *vfs_gpfs_pread_send(struct vfs_handle_struct *handle,
1824 TALLOC_CTX *mem_ctx,
1825 struct tevent_context *ev,
1826 struct files_struct *fsp,
1827 void *data, size_t n,
1828 off_t offset)
1829 {
1830 struct tevent_req *req, *subreq;
1831 struct vfs_gpfs_pread_state *state;
1832
1833 req = tevent_req_create(mem_ctx, &state, struct vfs_gpfs_pread_state);
1834 if (req == NULL) {
1835 return NULL;
1836 }
1837 state->fsp = fsp;
1838 subreq = SMB_VFS_NEXT_PREAD_SEND(state, ev, handle, fsp, data,
1839 n, offset);
1840 if (tevent_req_nomem(subreq, req)) {
1841 return tevent_req_post(req, ev);
1842 }
1843 tevent_req_set_callback(subreq, vfs_gpfs_pread_done, req);
1844 return req;
1845 }
1846
1847 static void vfs_gpfs_pread_done(struct tevent_req *subreq)
1848 {
1849 struct tevent_req *req = tevent_req_callback_data(
1850 subreq, struct tevent_req);
1851 struct vfs_gpfs_pread_state *state = tevent_req_data(
1852 req, struct vfs_gpfs_pread_state);
1853
1854 state->ret = SMB_VFS_PREAD_RECV(subreq, &state->err);
1855 TALLOC_FREE(subreq);
1856 tevent_req_done(req);
1857 }
1858
1859 static ssize_t vfs_gpfs_pread_recv(struct tevent_req *req, int *err)
1860 {
1861 struct vfs_gpfs_pread_state *state = tevent_req_data(
1862 req, struct vfs_gpfs_pread_state);
1863 struct files_struct *fsp = state->fsp;
1864
1865 if (tevent_req_is_unix_error(req, err)) {
1866 return -1;
1867 }
1868 *err = state->err;
1869
1870 DEBUG(10, ("vfs_private = %x\n",
1871 (unsigned int)fsp->fsp_name->st.vfs_private));
1872
1873 if ((state->ret != -1) &&
1874 ((fsp->fsp_name->st.vfs_private & GPFS_WINATTR_OFFLINE) != 0)) {
1875 fsp->fsp_name->st.vfs_private &= ~GPFS_WINATTR_OFFLINE;
1876 DEBUG(10, ("sending notify\n"));
1877 notify_fname(fsp->conn, NOTIFY_ACTION_MODIFIED,
1878 FILE_NOTIFY_CHANGE_ATTRIBUTES,
1879 fsp->fsp_name->base_name);
1880 }
1881
1882 return state->ret;
1883 }
1884
1885 static ssize_t vfs_gpfs_pwrite(vfs_handle_struct *handle, files_struct *fsp,
1886 const void *data, size_t n, off_t offset)
1887 {
1888 ssize_t ret;
1889
1890 ret = SMB_VFS_NEXT_PWRITE(handle, fsp, data, n, offset);
1891
1892 DEBUG(10, ("vfs_private = %x\n",
1893 (unsigned int)fsp->fsp_name->st.vfs_private));
1894
1895 if ((ret != -1) &&
1896 ((fsp->fsp_name->st.vfs_private & GPFS_WINATTR_OFFLINE) != 0)) {
1897 fsp->fsp_name->st.vfs_private &= ~GPFS_WINATTR_OFFLINE;
1898 notify_fname(handle->conn, NOTIFY_ACTION_MODIFIED,
1899 FILE_NOTIFY_CHANGE_ATTRIBUTES,
1900 fsp->fsp_name->base_name);
1901 }
1902
1903 return ret;
1904 }
1905
1906 struct vfs_gpfs_pwrite_state {
1907 struct files_struct *fsp;
1908 ssize_t ret;
1909 int err;
1910 };
1911
1912 static void vfs_gpfs_pwrite_done(struct tevent_req *subreq);
1913
1914 static struct tevent_req *vfs_gpfs_pwrite_send(
1915 struct vfs_handle_struct *handle,
1916 TALLOC_CTX *mem_ctx,
1917 struct tevent_context *ev,
1918 struct files_struct *fsp,
1919 const void *data, size_t n,
1920 off_t offset)
1921 {
1922 struct tevent_req *req, *subreq;
1923 struct vfs_gpfs_pwrite_state *state;
1924
1925 req = tevent_req_create(mem_ctx, &state, struct vfs_gpfs_pwrite_state);
1926 if (req == NULL) {
1927 return NULL;
1928 }
1929 state->fsp = fsp;
1930 subreq = SMB_VFS_NEXT_PWRITE_SEND(state, ev, handle, fsp, data,
1931 n, offset);
1932 if (tevent_req_nomem(subreq, req)) {
1933 return tevent_req_post(req, ev);
1934 }
1935 tevent_req_set_callback(subreq, vfs_gpfs_pwrite_done, req);
1936 return req;
1937 }
1938
1939 static void vfs_gpfs_pwrite_done(struct tevent_req *subreq)
1940 {
1941 struct tevent_req *req = tevent_req_callback_data(
1942 subreq, struct tevent_req);
1943 struct vfs_gpfs_pwrite_state *state = tevent_req_data(
1944 req, struct vfs_gpfs_pwrite_state);
1945
1946 state->ret = SMB_VFS_PWRITE_RECV(subreq, &state->err);
1947 TALLOC_FREE(subreq);
1948 tevent_req_done(req);
1949 }
1950
1951 static ssize_t vfs_gpfs_pwrite_recv(struct tevent_req *req, int *err)
1952 {
1953 struct vfs_gpfs_pwrite_state *state = tevent_req_data(
1954 req, struct vfs_gpfs_pwrite_state);
1955 struct files_struct *fsp = state->fsp;
1956
1957 if (tevent_req_is_unix_error(req, err)) {
1958 return -1;
1959 }
1960 *err = state->err;
1961
1962 DEBUG(10, ("vfs_private = %x\n",
1963 (unsigned int)fsp->fsp_name->st.vfs_private));
1964
1965 if ((state->ret != -1) &&
1966 ((fsp->fsp_name->st.vfs_private & GPFS_WINATTR_OFFLINE) != 0)) {
1967 fsp->fsp_name->st.vfs_private &= ~GPFS_WINATTR_OFFLINE;
1968 DEBUG(10, ("sending notify\n"));
1969 notify_fname(fsp->conn, NOTIFY_ACTION_MODIFIED,
1970 FILE_NOTIFY_CHANGE_ATTRIBUTES,
1971 fsp->fsp_name->base_name);
1972 }
1973
1974 return state->ret;
1975 }
1976
1977
1978 static struct vfs_fn_pointers vfs_gpfs_fns = {
1979 .connect_fn = vfs_gpfs_connect,
1980 .disk_free_fn = vfs_gpfs_disk_free,
1981 .fs_capabilities_fn = vfs_gpfs_capabilities,
1982 .kernel_flock_fn = vfs_gpfs_kernel_flock,
1983 .linux_setlease_fn = vfs_gpfs_setlease,
1984 .get_real_filename_fn = vfs_gpfs_get_real_filename,
1985 .fget_nt_acl_fn = gpfsacl_fget_nt_acl,
1986 .get_nt_acl_fn = gpfsacl_get_nt_acl,
1987 .fset_nt_acl_fn = gpfsacl_fset_nt_acl,
1988 .sys_acl_get_file_fn = gpfsacl_sys_acl_get_file,
1989 .sys_acl_get_fd_fn = gpfsacl_sys_acl_get_fd,
1990 .sys_acl_blob_get_file_fn = gpfsacl_sys_acl_blob_get_file,
1991 .sys_acl_blob_get_fd_fn = gpfsacl_sys_acl_blob_get_fd,
1992 .sys_acl_set_file_fn = gpfsacl_sys_acl_set_file,
1993 .sys_acl_set_fd_fn = gpfsacl_sys_acl_set_fd,
1994 .sys_acl_delete_def_file_fn = gpfsacl_sys_acl_delete_def_file,
1995 .chmod_fn = vfs_gpfs_chmod,
1996 .fchmod_fn = vfs_gpfs_fchmod,
1997 .close_fn = vfs_gpfs_close,
1998 .setxattr_fn = gpfs_set_xattr,
1999 .getxattr_fn = gpfs_get_xattr,
2000 .stat_fn = vfs_gpfs_stat,
2001 .fstat_fn = vfs_gpfs_fstat,
2002 .lstat_fn = vfs_gpfs_lstat,
2003 .ntimes_fn = vfs_gpfs_ntimes,
2004 .is_offline_fn = vfs_gpfs_is_offline,
2005 .aio_force_fn = vfs_gpfs_aio_force,
2006 .sendfile_fn = vfs_gpfs_sendfile,
2007 .fallocate_fn = vfs_gpfs_fallocate,
2008 .open_fn = vfs_gpfs_open,
2009 .pread_fn = vfs_gpfs_pread,
2010 .pread_send_fn = vfs_gpfs_pread_send,
2011 .pread_recv_fn = vfs_gpfs_pread_recv,
2012 .pwrite_fn = vfs_gpfs_pwrite,
2013 .pwrite_send_fn = vfs_gpfs_pwrite_send,
2014 .pwrite_recv_fn = vfs_gpfs_pwrite_recv,
2015 .ftruncate_fn = vfs_gpfs_ftruncate
2016 };
2017
2018 NTSTATUS vfs_gpfs_init(void);
2019 NTSTATUS vfs_gpfs_init(void)
2020 {
2021 init_gpfs();
2022
2023 return smb_register_vfs(SMB_VFS_INTERFACE_VERSION, "gpfs",
2024 &vfs_gpfs_fns);
2025 }
reg import