?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
librpc: Shorten dcerpc_binding_handle_call a bit
[Samba/gebeck_regimport.git] / source3 / modules / vfs_gpfs.c
blob13061c8c3591248accaec7c2c5fcdea29ce3d9bb
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 #include "modules/non_posix_acls.h"
29
30 #undef DBGC_CLASS
31 #define DBGC_CLASS DBGC_VFS
32
33 #include <gpfs_gpl.h>
34 #include "nfs4_acls.h"
35 #include "vfs_gpfs.h"
36 #include "system/filesys.h"
37 #include "auth.h"
38 #include "lib/util/tevent_unix.h"
39
40 struct gpfs_config_data {
41 bool sharemodes;
42 bool leases;
43 bool hsm;
44 bool syncio;
45 bool winattr;
46 bool ftruncate;
47 bool getrealfilename;
48 bool dfreequota;
49 bool prealloc;
50 bool acl;
51 };
52
53
54 static int vfs_gpfs_kernel_flock(vfs_handle_struct *handle, files_struct *fsp,
55 uint32 share_mode, uint32 access_mask)
56 {
57
58 struct gpfs_config_data *config;
59 int ret = 0;
60
61 SMB_VFS_HANDLE_GET_DATA(handle, config,
62 struct gpfs_config_data,
63 return -1);
64
65 if(!config->sharemodes) {
66 return 0;
67 }
68
69 START_PROFILE(syscall_kernel_flock);
70
71 kernel_flock(fsp->fh->fd, share_mode, access_mask);
72
73 if (!set_gpfs_sharemode(fsp, access_mask, fsp->share_access)) {
74 ret = -1;
75 }
76
77 END_PROFILE(syscall_kernel_flock);
78
79 return ret;
80 }
81
82 static int vfs_gpfs_close(vfs_handle_struct *handle, files_struct *fsp)
83 {
84
85 struct gpfs_config_data *config;
86
87 SMB_VFS_HANDLE_GET_DATA(handle, config,
88 struct gpfs_config_data,
89 return -1);
90
91 if (config->sharemodes && (fsp->fh != NULL) && (fsp->fh->fd != -1)) {
92 set_gpfs_sharemode(fsp, 0, 0);
93 }
94
95 return SMB_VFS_NEXT_CLOSE(handle, fsp);
96 }
97
98 static int vfs_gpfs_setlease(vfs_handle_struct *handle, files_struct *fsp,
99 int leasetype)
100 {
101 struct gpfs_config_data *config;
102 int ret=0;
103
104 SMB_VFS_HANDLE_GET_DATA(handle, config,
105 struct gpfs_config_data,
106 return -1);
107
108 if (linux_set_lease_sighandler(fsp->fh->fd) == -1)
109 return -1;
110
111 START_PROFILE(syscall_linux_setlease);
112
113 if (config->leases) {
114 ret = set_gpfs_lease(fsp->fh->fd,leasetype);
115 }
116
117 END_PROFILE(syscall_linux_setlease);
118
119 return ret;
120 }
121
122 static int vfs_gpfs_get_real_filename(struct vfs_handle_struct *handle,
123 const char *path,
124 const char *name,
125 TALLOC_CTX *mem_ctx,
126 char **found_name)
127 {
128 int result;
129 char *full_path;
130 char real_pathname[PATH_MAX+1];
131 int buflen;
132 bool mangled;
133 struct gpfs_config_data *config;
134
135 SMB_VFS_HANDLE_GET_DATA(handle, config,
136 struct gpfs_config_data,
137 return -1);
138
139 if (!config->getrealfilename) {
140 return SMB_VFS_NEXT_GET_REAL_FILENAME(handle, path, name,
141 mem_ctx, found_name);
142 }
143
144 mangled = mangle_is_mangled(name, handle->conn->params);
145 if (mangled) {
146 return SMB_VFS_NEXT_GET_REAL_FILENAME(handle, path, name,
147 mem_ctx, found_name);
148 }
149
150 full_path = talloc_asprintf(talloc_tos(), "%s/%s", path, name);
151 if (full_path == NULL) {
152 errno = ENOMEM;
153 return -1;
154 }
155
156 buflen = sizeof(real_pathname) - 1;
157
158 result = smbd_gpfs_get_realfilename_path(full_path, real_pathname,
159 &buflen);
160
161 TALLOC_FREE(full_path);
162
163 if ((result == -1) && (errno == ENOSYS)) {
164 return SMB_VFS_NEXT_GET_REAL_FILENAME(
165 handle, path, name, mem_ctx, found_name);
166 }
167
168 if (result == -1) {
169 DEBUG(10, ("smbd_gpfs_get_realfilename_path returned %s\n",
170 strerror(errno)));
171 return -1;
172 }
173
174 /*
175 * GPFS does not necessarily null-terminate the returned path
176 * but instead returns the buffer length in buflen.
177 */
178
179 if (buflen < sizeof(real_pathname)) {
180 real_pathname[buflen] = '\0';
181 } else {
182 real_pathname[sizeof(real_pathname)-1] = '\0';
183 }
184
185 DEBUG(10, ("smbd_gpfs_get_realfilename_path: %s/%s -> %s\n",
186 path, name, real_pathname));
187
188 name = strrchr_m(real_pathname, '/');
189 if (name == NULL) {
190 errno = ENOENT;
191 return -1;
192 }
193
194 *found_name = talloc_strdup(mem_ctx, name+1);
195 if (*found_name == NULL) {
196 errno = ENOMEM;
197 return -1;
198 }
199
200 return 0;
201 }
202
203 static void gpfs_dumpacl(int level, struct gpfs_acl *gacl)
204 {
205 gpfs_aclCount_t i;
206 if (gacl==NULL)
207 {
208 DEBUG(0, ("gpfs acl is NULL\n"));
209 return;
210 }
211
212 DEBUG(level, ("gpfs acl: nace: %d, type:%d, version:%d, level:%d, len:%d\n",
213 gacl->acl_nace, gacl->acl_type, gacl->acl_version, gacl->acl_level, gacl->acl_len));
214 for(i=0; i<gacl->acl_nace; i++)
215 {
216 struct gpfs_ace_v4 *gace = gacl->ace_v4 + i;
217 DEBUG(level, ("\tace[%d]: type:%d, flags:0x%x, mask:0x%x, iflags:0x%x, who:%u\n",
218 i, gace->aceType, gace->aceFlags, gace->aceMask,
219 gace->aceIFlags, gace->aceWho));
220 }
221 }
222
223 /*
224 * get the ACL from GPFS, allocated on the specified mem_ctx
225 * internally retries when initial buffer was too small
226 *
227 * caller needs to cast result to either
228 * raw = yes: struct gpfs_opaque_acl
229 * raw = no: struct gpfs_acl
230 *
231 */
232 static void *vfs_gpfs_getacl(TALLOC_CTX *mem_ctx,
233 const char *fname,
234 const bool raw,
235 const gpfs_aclType_t type)
236 {
237
238 void *aclbuf;
239 size_t size = 512;
240 int ret, flags;
241 unsigned int *len;
242 size_t struct_size;
243
244 again:
245
246 aclbuf = talloc_zero_size(mem_ctx, size);
247 if (aclbuf == NULL) {
248 errno = ENOMEM;
249 return NULL;
250 }
251
252 if (raw) {
253 struct gpfs_opaque_acl *buf = (struct gpfs_opaque_acl *) aclbuf;
254 buf->acl_type = type;
255 flags = GPFS_GETACL_NATIVE;
256 len = (unsigned int *) &(buf->acl_buffer_len);
257 struct_size = sizeof(struct gpfs_opaque_acl);
258 } else {
259 struct gpfs_acl *buf = (struct gpfs_acl *) aclbuf;
260 buf->acl_type = type;
261 flags = GPFS_GETACL_STRUCT;
262 len = &(buf->acl_len);
263 struct_size = sizeof(struct gpfs_acl);
264 }
265
266 /* set the length of the buffer as input value */
267 *len = size;
268
269 errno = 0;
270 ret = smbd_gpfs_getacl((char *)fname, flags, aclbuf);
271 if ((ret != 0) && (errno == ENOSPC)) {
272 /*
273 * get the size needed to accommodate the complete buffer
274 *
275 * the value returned only applies to the ACL blob in the
276 * struct so make sure to also have headroom for the first
277 * struct members by adding room for the complete struct
278 * (might be a few bytes too much then)
279 */
280 size = *len + struct_size;
281 talloc_free(aclbuf);
282 DEBUG(10, ("Increasing ACL buffer size to %zu\n", size));
283 goto again;
284 }
285
286 if (ret != 0) {
287 DEBUG(5, ("smbd_gpfs_getacl failed with %s\n",
288 strerror(errno)));
289 talloc_free(aclbuf);
290 return NULL;
291 }
292
293 return aclbuf;
294 }
295
296 /* Tries to get nfs4 acls and returns SMB ACL allocated.
297 * On failure returns 1 if it got non-NFSv4 ACL to prompt
298 * retry with POSIX ACL checks.
299 * On failure returns -1 if there is system (GPFS) error, check errno.
300 * Returns 0 on success
301 */
302 static int gpfs_get_nfs4_acl(TALLOC_CTX *mem_ctx, const char *fname, SMB4ACL_T **ppacl)
303 {
304 gpfs_aclCount_t i;
305 struct gpfs_acl *gacl = NULL;
306 DEBUG(10, ("gpfs_get_nfs4_acl invoked for %s\n", fname));
307
308 /* Get the ACL */
309 gacl = (struct gpfs_acl*) vfs_gpfs_getacl(talloc_tos(), fname,
310 false, 0);
311 if (gacl == NULL) {
312 DEBUG(9, ("gpfs_getacl failed for %s with %s\n",
313 fname, strerror(errno)));
314 return -1;
315 }
316
317 if (gacl->acl_type != GPFS_ACL_TYPE_NFS4) {
318 DEBUG(10, ("Got non-nfsv4 acl\n"));
319 /* Retry with POSIX ACLs check */
320 talloc_free(gacl);
321 return 1;
322 }
323
324 *ppacl = smb_create_smb4acl(mem_ctx);
325
326 DEBUG(10, ("len: %d, level: %d, version: %d, nace: %d\n",
327 gacl->acl_len, gacl->acl_level, gacl->acl_version,
328 gacl->acl_nace));
329
330 for (i=0; i<gacl->acl_nace; i++) {
331 struct gpfs_ace_v4 *gace = &gacl->ace_v4[i];
332 SMB_ACE4PROP_T smbace;
333 DEBUG(10, ("type: %d, iflags: %x, flags: %x, mask: %x, "
334 "who: %d\n", gace->aceType, gace->aceIFlags,
335 gace->aceFlags, gace->aceMask, gace->aceWho));
336
337 ZERO_STRUCT(smbace);
338 if (gace->aceIFlags & ACE4_IFLAG_SPECIAL_ID) {
339 smbace.flags |= SMB_ACE4_ID_SPECIAL;
340 switch (gace->aceWho) {
341 case ACE4_SPECIAL_OWNER:
342 smbace.who.special_id = SMB_ACE4_WHO_OWNER;
343 break;
344 case ACE4_SPECIAL_GROUP:
345 smbace.who.special_id = SMB_ACE4_WHO_GROUP;
346 break;
347 case ACE4_SPECIAL_EVERYONE:
348 smbace.who.special_id = SMB_ACE4_WHO_EVERYONE;
349 break;
350 default:
351 DEBUG(8, ("invalid special gpfs id %d "
352 "ignored\n", gace->aceWho));
353 continue; /* don't add it */
354 }
355 } else {
356 if (gace->aceFlags & ACE4_FLAG_GROUP_ID)
357 smbace.who.gid = gace->aceWho;
358 else
359 smbace.who.uid = gace->aceWho;
360 }
361
362 /* remove redundant deny entries */
363 if (i > 0 && gace->aceType == SMB_ACE4_ACCESS_DENIED_ACE_TYPE) {
364 struct gpfs_ace_v4 *prev = &gacl->ace_v4[i-1];
365 if (prev->aceType == SMB_ACE4_ACCESS_ALLOWED_ACE_TYPE &&
366 prev->aceFlags == gace->aceFlags &&
367 prev->aceIFlags == gace->aceIFlags &&
368 (gace->aceMask & prev->aceMask) == 0 &&
369 gace->aceWho == prev->aceWho) {
370 /* it's redundant - skip it */
371 continue;
372 }
373 }
374
375 smbace.aceType = gace->aceType;
376 smbace.aceFlags = gace->aceFlags;
377 smbace.aceMask = gace->aceMask;
378 smb_add_ace4(*ppacl, &smbace);
379 }
380
381 talloc_free(gacl);
382
383 return 0;
384 }
385
386 static NTSTATUS gpfsacl_fget_nt_acl(vfs_handle_struct *handle,
387 files_struct *fsp, uint32 security_info,
388 TALLOC_CTX *mem_ctx,
389 struct security_descriptor **ppdesc)
390 {
391 SMB4ACL_T *pacl = NULL;
392 int result;
393 struct gpfs_config_data *config;
394 TALLOC_CTX *frame = talloc_stackframe();
395 NTSTATUS status;
396
397 *ppdesc = NULL;
398
399 SMB_VFS_HANDLE_GET_DATA(handle, config,
400 struct gpfs_config_data,
401 return NT_STATUS_INTERNAL_ERROR);
402
403 if (!config->acl) {
404 status = SMB_VFS_NEXT_FGET_NT_ACL(handle, fsp, security_info,
405 mem_ctx, ppdesc);
406 TALLOC_FREE(frame);
407 return status;
408 }
409
410 result = gpfs_get_nfs4_acl(frame, fsp->fsp_name->base_name, &pacl);
411
412 if (result == 0) {
413 status = smb_fget_nt_acl_nfs4(fsp, security_info, mem_ctx,
414 ppdesc, pacl);
415 TALLOC_FREE(frame);
416 return status;
417 }
418
419 if (result > 0) {
420 DEBUG(10, ("retrying with posix acl...\n"));
421 status = posix_fget_nt_acl(fsp, security_info,
422 mem_ctx, ppdesc);
423 TALLOC_FREE(frame);
424 return status;
425 }
426
427 TALLOC_FREE(frame);
428
429 /* GPFS ACL was not read, something wrong happened, error code is set in errno */
430 return map_nt_error_from_unix(errno);
431 }
432
433 static NTSTATUS gpfsacl_get_nt_acl(vfs_handle_struct *handle,
434 const char *name,
435 uint32 security_info,
436 TALLOC_CTX *mem_ctx, struct security_descriptor **ppdesc)
437 {
438 SMB4ACL_T *pacl = NULL;
439 int result;
440 struct gpfs_config_data *config;
441 TALLOC_CTX *frame = talloc_stackframe();
442 NTSTATUS status;
443
444 *ppdesc = NULL;
445
446 SMB_VFS_HANDLE_GET_DATA(handle, config,
447 struct gpfs_config_data,
448 return NT_STATUS_INTERNAL_ERROR);
449
450 if (!config->acl) {
451 status = SMB_VFS_NEXT_GET_NT_ACL(handle, name, security_info,
452 mem_ctx, ppdesc);
453 TALLOC_FREE(frame);
454 return status;
455 }
456
457 result = gpfs_get_nfs4_acl(frame, name, &pacl);
458
459 if (result == 0) {
460 status = smb_get_nt_acl_nfs4(handle->conn, name, security_info,
461 mem_ctx, ppdesc, pacl);
462 TALLOC_FREE(frame);
463 return status;
464 }
465
466 if (result > 0) {
467 DEBUG(10, ("retrying with posix acl...\n"));
468 status = posix_get_nt_acl(handle->conn, name, security_info,
469 mem_ctx, ppdesc);
470 TALLOC_FREE(frame);
471 return status;
472 }
473
474 /* GPFS ACL was not read, something wrong happened, error code is set in errno */
475 TALLOC_FREE(frame);
476 return map_nt_error_from_unix(errno);
477 }
478
479 static bool gpfsacl_process_smbacl(vfs_handle_struct *handle, files_struct *fsp, SMB4ACL_T *smbacl)
480 {
481 int ret;
482 gpfs_aclLen_t gacl_len;
483 SMB4ACE_T *smbace;
484 struct gpfs_acl *gacl;
485 TALLOC_CTX *mem_ctx = talloc_tos();
486
487 gacl_len = offsetof(gpfs_acl_t, ace_v4) + smb_get_naces(smbacl) *
488 sizeof(gpfs_ace_v4_t);
489
490 gacl = (struct gpfs_acl *)TALLOC_SIZE(mem_ctx, gacl_len);
491 if (gacl == NULL) {
492 DEBUG(0, ("talloc failed\n"));
493 errno = ENOMEM;
494 return False;
495 }
496
497 gacl->acl_len = gacl_len;
498 gacl->acl_level = 0;
499 gacl->acl_version = GPFS_ACL_VERSION_NFS4;
500 gacl->acl_type = GPFS_ACL_TYPE_NFS4;
501 gacl->acl_nace = 0; /* change later... */
502
503 for (smbace=smb_first_ace4(smbacl); smbace!=NULL; smbace = smb_next_ace4(smbace)) {
504 struct gpfs_ace_v4 *gace = &gacl->ace_v4[gacl->acl_nace];
505 SMB_ACE4PROP_T *aceprop = smb_get_ace4(smbace);
506
507 gace->aceType = aceprop->aceType;
508 gace->aceFlags = aceprop->aceFlags;
509 gace->aceMask = aceprop->aceMask;
510
511 /*
512 * GPFS can't distinguish between WRITE and APPEND on
513 * files, so one being set without the other is an
514 * error. Sorry for the many ()'s :-)
515 */
516
517 if (!fsp->is_directory
518 &&
519 ((((gace->aceMask & ACE4_MASK_WRITE) == 0)
520 && ((gace->aceMask & ACE4_MASK_APPEND) != 0))
521 ||
522 (((gace->aceMask & ACE4_MASK_WRITE) != 0)
523 && ((gace->aceMask & ACE4_MASK_APPEND) == 0)))
524 &&
525 lp_parm_bool(fsp->conn->params->service, "gpfs",
526 "merge_writeappend", True)) {
527 DEBUG(2, ("vfs_gpfs.c: file [%s]: ACE contains "
528 "WRITE^APPEND, setting WRITE|APPEND\n",
529 fsp_str_dbg(fsp)));
530 gace->aceMask |= ACE4_MASK_WRITE|ACE4_MASK_APPEND;
531 }
532
533 gace->aceIFlags = (aceprop->flags&SMB_ACE4_ID_SPECIAL) ? ACE4_IFLAG_SPECIAL_ID : 0;
534
535 if (aceprop->flags&SMB_ACE4_ID_SPECIAL)
536 {
537 switch(aceprop->who.special_id)
538 {
539 case SMB_ACE4_WHO_EVERYONE:
540 gace->aceWho = ACE4_SPECIAL_EVERYONE;
541 break;
542 case SMB_ACE4_WHO_OWNER:
543 gace->aceWho = ACE4_SPECIAL_OWNER;
544 break;
545 case SMB_ACE4_WHO_GROUP:
546 gace->aceWho = ACE4_SPECIAL_GROUP;
547 break;
548 default:
549 DEBUG(8, ("unsupported special_id %d\n", aceprop->who.special_id));
550 continue; /* don't add it !!! */
551 }
552 } else {
553 /* just only for the type safety... */
554 if (aceprop->aceFlags&SMB_ACE4_IDENTIFIER_GROUP)
555 gace->aceWho = aceprop->who.gid;
556 else
557 gace->aceWho = aceprop->who.uid;
558 }
559
560 gacl->acl_nace++;
561 }
562
563 ret = smbd_gpfs_putacl(fsp->fsp_name->base_name,
564 GPFS_PUTACL_STRUCT | GPFS_ACL_SAMBA, gacl);
565 if (ret != 0) {
566 DEBUG(8, ("gpfs_putacl failed with %s\n", strerror(errno)));
567 gpfs_dumpacl(8, gacl);
568 return False;
569 }
570
571 DEBUG(10, ("gpfs_putacl succeeded\n"));
572 return True;
573 }
574
575 static NTSTATUS gpfsacl_set_nt_acl_internal(vfs_handle_struct *handle, files_struct *fsp, uint32 security_info_sent, const struct security_descriptor *psd)
576 {
577 struct gpfs_acl *acl;
578 NTSTATUS result = NT_STATUS_ACCESS_DENIED;
579
580 acl = (struct gpfs_acl*) vfs_gpfs_getacl(talloc_tos(),
581 fsp->fsp_name->base_name,
582 false, 0);
583 if (acl == NULL) {
584 return map_nt_error_from_unix(errno);
585 }
586
587 if (acl->acl_version == GPFS_ACL_VERSION_NFS4) {
588 if (lp_parm_bool(fsp->conn->params->service, "gpfs",
589 "refuse_dacl_protected", false)
590 && (psd->type&SEC_DESC_DACL_PROTECTED)) {
591 DEBUG(2, ("Rejecting unsupported ACL with DACL_PROTECTED bit set\n"));
592 talloc_free(acl);
593 return NT_STATUS_NOT_SUPPORTED;
594 }
595
596 result = smb_set_nt_acl_nfs4(handle,
597 fsp, security_info_sent, psd,
598 gpfsacl_process_smbacl);
599 } else { /* assume POSIX ACL - by default... */
600 result = set_nt_acl(fsp, security_info_sent, psd);
601 }
602
603 talloc_free(acl);
604 return result;
605 }
606
607 static NTSTATUS gpfsacl_fset_nt_acl(vfs_handle_struct *handle, files_struct *fsp, uint32 security_info_sent, const struct security_descriptor *psd)
608 {
609 struct gpfs_config_data *config;
610
611 SMB_VFS_HANDLE_GET_DATA(handle, config,
612 struct gpfs_config_data,
613 return NT_STATUS_INTERNAL_ERROR);
614
615 if (!config->acl) {
616 return SMB_VFS_NEXT_FSET_NT_ACL(handle, fsp, security_info_sent, psd);
617 }
618
619 return gpfsacl_set_nt_acl_internal(handle, fsp, security_info_sent, psd);
620 }
621
622 static SMB_ACL_T gpfs2smb_acl(const struct gpfs_acl *pacl, TALLOC_CTX *mem_ctx)
623 {
624 SMB_ACL_T result;
625 gpfs_aclCount_t i;
626
627 result = sys_acl_init(mem_ctx);
628 if (result == NULL) {
629 errno = ENOMEM;
630 return NULL;
631 }
632
633 result->count = pacl->acl_nace;
634 result->acl = talloc_realloc(result, result->acl, struct smb_acl_entry,
635 result->count);
636 if (result->acl == NULL) {
637 TALLOC_FREE(result);
638 errno = ENOMEM;
639 return NULL;
640 }
641
642 for (i=0; i<pacl->acl_nace; i++) {
643 struct smb_acl_entry *ace = &result->acl[i];
644 const struct gpfs_ace_v1 *g_ace = &pacl->ace_v1[i];
645
646 DEBUG(10, ("Converting type %d id %lu perm %x\n",
647 (int)g_ace->ace_type, (unsigned long)g_ace->ace_who,
648 (int)g_ace->ace_perm));
649
650 switch (g_ace->ace_type) {
651 case GPFS_ACL_USER:
652 ace->a_type = SMB_ACL_USER;
653 ace->info.user.uid = (uid_t)g_ace->ace_who;
654 break;
655 case GPFS_ACL_USER_OBJ:
656 ace->a_type = SMB_ACL_USER_OBJ;
657 break;
658 case GPFS_ACL_GROUP:
659 ace->a_type = SMB_ACL_GROUP;
660 ace->info.group.gid = (gid_t)g_ace->ace_who;
661 break;
662 case GPFS_ACL_GROUP_OBJ:
663 ace->a_type = SMB_ACL_GROUP_OBJ;
664 break;
665 case GPFS_ACL_OTHER:
666 ace->a_type = SMB_ACL_OTHER;
667 break;
668 case GPFS_ACL_MASK:
669 ace->a_type = SMB_ACL_MASK;
670 break;
671 default:
672 DEBUG(10, ("Got invalid ace_type: %d\n",
673 g_ace->ace_type));
674 TALLOC_FREE(result);
675 errno = EINVAL;
676 return NULL;
677 }
678
679 ace->a_perm = 0;
680 ace->a_perm |= (g_ace->ace_perm & ACL_PERM_READ) ?
681 SMB_ACL_READ : 0;
682 ace->a_perm |= (g_ace->ace_perm & ACL_PERM_WRITE) ?
683 SMB_ACL_WRITE : 0;
684 ace->a_perm |= (g_ace->ace_perm & ACL_PERM_EXECUTE) ?
685 SMB_ACL_EXECUTE : 0;
686
687 DEBUGADD(10, ("Converted to %d perm %x\n",
688 ace->a_type, ace->a_perm));
689 }
690
691 return result;
692 }
693
694 static SMB_ACL_T gpfsacl_get_posix_acl(const char *path, gpfs_aclType_t type,
695 TALLOC_CTX *mem_ctx)
696 {
697 struct gpfs_acl *pacl;
698 SMB_ACL_T result = NULL;
699
700 pacl = vfs_gpfs_getacl(talloc_tos(), path, false, type);
701
702 if (pacl == NULL) {
703 DEBUG(10, ("vfs_gpfs_getacl failed for %s with %s\n",
704 path, strerror(errno)));
705 if (errno == 0) {
706 errno = EINVAL;
707 }
708 goto done;
709 }
710
711 if (pacl->acl_version != GPFS_ACL_VERSION_POSIX) {
712 DEBUG(10, ("Got acl version %d, expected %d\n",
713 pacl->acl_version, GPFS_ACL_VERSION_POSIX));
714 errno = EINVAL;
715 goto done;
716 }
717
718 DEBUG(10, ("len: %d, level: %d, version: %d, nace: %d\n",
719 pacl->acl_len, pacl->acl_level, pacl->acl_version,
720 pacl->acl_nace));
721
722 result = gpfs2smb_acl(pacl, mem_ctx);
723 if (result != NULL) {
724 errno = 0;
725 }
726
727 done:
728
729 if (pacl != NULL) {
730 talloc_free(pacl);
731 }
732 if (errno != 0) {
733 TALLOC_FREE(result);
734 }
735 return result;
736 }
737
738 static SMB_ACL_T gpfsacl_sys_acl_get_file(vfs_handle_struct *handle,
739 const char *path_p,
740 SMB_ACL_TYPE_T type,
741 TALLOC_CTX *mem_ctx)
742 {
743 gpfs_aclType_t gpfs_type;
744 struct gpfs_config_data *config;
745
746 SMB_VFS_HANDLE_GET_DATA(handle, config,
747 struct gpfs_config_data,
748 return NULL);
749
750 if (!config->acl) {
751 return SMB_VFS_NEXT_SYS_ACL_GET_FILE(handle, path_p,
752 type, mem_ctx);
753 }
754
755 switch(type) {
756 case SMB_ACL_TYPE_ACCESS:
757 gpfs_type = GPFS_ACL_TYPE_ACCESS;
758 break;
759 case SMB_ACL_TYPE_DEFAULT:
760 gpfs_type = GPFS_ACL_TYPE_DEFAULT;
761 break;
762 default:
763 DEBUG(0, ("Got invalid type: %d\n", type));
764 smb_panic("exiting");
765 }
766
767 return gpfsacl_get_posix_acl(path_p, gpfs_type, mem_ctx);
768 }
769
770 static SMB_ACL_T gpfsacl_sys_acl_get_fd(vfs_handle_struct *handle,
771 files_struct *fsp,
772 TALLOC_CTX *mem_ctx)
773 {
774 struct gpfs_config_data *config;
775
776 SMB_VFS_HANDLE_GET_DATA(handle, config,
777 struct gpfs_config_data,
778 return NULL);
779
780 if (!config->acl) {
781 return SMB_VFS_NEXT_SYS_ACL_GET_FD(handle, fsp, mem_ctx);
782 }
783
784 return gpfsacl_get_posix_acl(fsp->fsp_name->base_name,
785 GPFS_ACL_TYPE_ACCESS, mem_ctx);
786 }
787
788 static int gpfsacl_sys_acl_blob_get_file(vfs_handle_struct *handle,
789 const char *path_p,
790 TALLOC_CTX *mem_ctx,
791 char **blob_description,
792 DATA_BLOB *blob)
793 {
794 struct gpfs_config_data *config;
795 struct gpfs_opaque_acl *acl = NULL;
796 DATA_BLOB aclblob;
797 int result;
798
799 SMB_VFS_HANDLE_GET_DATA(handle, config,
800 struct gpfs_config_data,
801 return -1);
802
803 if (!config->acl) {
804 return SMB_VFS_NEXT_SYS_ACL_BLOB_GET_FILE(handle, path_p,
805 mem_ctx,
806 blob_description,
807 blob);
808 }
809
810 errno = 0;
811 acl = (struct gpfs_opaque_acl *)
812 vfs_gpfs_getacl(mem_ctx,
813 path_p,
814 true,
815 GPFS_ACL_TYPE_NFS4);
816
817 if (errno) {
818 DEBUG(5, ("vfs_gpfs_getacl finished with errno %d: %s\n",
819 errno, strerror(errno)));
820
821 /* EINVAL means POSIX ACL, bail out on other cases */
822 if (errno != EINVAL) {
823 return -1;
824 }
825 }
826
827 if (acl != NULL) {
828 /*
829 * file has NFSv4 ACL
830 *
831 * we only need the actual ACL blob here
832 * acl_version will always be NFS4 because we asked
833 * for NFS4
834 * acl_type is only used for POSIX ACLs
835 */
836 aclblob.data = (uint8_t*) acl->acl_var_data;
837 aclblob.length = acl->acl_buffer_len;
838
839 *blob_description = talloc_strdup(mem_ctx, "gpfs_nfs4_acl");
840 if (!*blob_description) {
841 talloc_free(acl);
842 errno = ENOMEM;
843 return -1;
844 }
845
846 result = non_posix_sys_acl_blob_get_file_helper(handle, path_p,
847 aclblob,
848 mem_ctx, blob);
849
850 talloc_free(acl);
851 return result;
852 }
853
854 /* fall back to POSIX ACL */
855 return posix_sys_acl_blob_get_file(handle, path_p, mem_ctx,
856 blob_description, blob);
857 }
858
859 static int gpfsacl_sys_acl_blob_get_fd(vfs_handle_struct *handle,
860 files_struct *fsp,
861 TALLOC_CTX *mem_ctx,
862 char **blob_description,
863 DATA_BLOB *blob)
864 {
865 struct gpfs_config_data *config;
866 struct gpfs_opaque_acl *acl = NULL;
867 DATA_BLOB aclblob;
868 int result;
869
870 SMB_VFS_HANDLE_GET_DATA(handle, config,
871 struct gpfs_config_data,
872 return -1);
873
874 if (!config->acl) {
875 return SMB_VFS_NEXT_SYS_ACL_BLOB_GET_FD(handle, fsp, mem_ctx,
876 blob_description, blob);
877 }
878
879 errno = 0;
880 acl = (struct gpfs_opaque_acl *) vfs_gpfs_getacl(mem_ctx,
881 fsp->fsp_name->base_name,
882 true,
883 GPFS_ACL_TYPE_NFS4);
884
885 if (errno) {
886 DEBUG(5, ("vfs_gpfs_getacl finished with errno %d: %s\n",
887 errno, strerror(errno)));
888
889 /* EINVAL means POSIX ACL, bail out on other cases */
890 if (errno != EINVAL) {
891 return -1;
892 }
893 }
894
895 if (acl != NULL) {
896 /*
897 * file has NFSv4 ACL
898 *
899 * we only need the actual ACL blob here
900 * acl_version will always be NFS4 because we asked
901 * for NFS4
902 * acl_type is only used for POSIX ACLs
903 */
904 aclblob.data = (uint8_t*) acl->acl_var_data;
905 aclblob.length = acl->acl_buffer_len;
906
907 *blob_description = talloc_strdup(mem_ctx, "gpfs_nfs4_acl");
908 if (!*blob_description) {
909 talloc_free(acl);
910 errno = ENOMEM;
911 return -1;
912 }
913
914 result = non_posix_sys_acl_blob_get_fd_helper(handle, fsp,
915 aclblob, mem_ctx,
916 blob);
917
918 talloc_free(acl);
919 return result;
920 }
921
922 /* fall back to POSIX ACL */
923 return posix_sys_acl_blob_get_fd(handle, fsp, mem_ctx,
924 blob_description, blob);
925 }
926
927 static struct gpfs_acl *smb2gpfs_acl(const SMB_ACL_T pacl,
928 SMB_ACL_TYPE_T type)
929 {
930 gpfs_aclLen_t len;
931 struct gpfs_acl *result;
932 int i;
933
934 DEBUG(10, ("smb2gpfs_acl: Got ACL with %d entries\n", pacl->count));
935
936 len = offsetof(gpfs_acl_t, ace_v1) + (pacl->count) *
937 sizeof(gpfs_ace_v1_t);
938
939 result = (struct gpfs_acl *)SMB_MALLOC(len);
940 if (result == NULL) {
941 errno = ENOMEM;
942 return result;
943 }
944
945 result->acl_len = len;
946 result->acl_level = 0;
947 result->acl_version = GPFS_ACL_VERSION_POSIX;
948 result->acl_type = (type == SMB_ACL_TYPE_DEFAULT) ?
949 GPFS_ACL_TYPE_DEFAULT : GPFS_ACL_TYPE_ACCESS;
950 result->acl_nace = pacl->count;
951
952 for (i=0; i<pacl->count; i++) {
953 const struct smb_acl_entry *ace = &pacl->acl[i];
954 struct gpfs_ace_v1 *g_ace = &result->ace_v1[i];
955
956 DEBUG(10, ("Converting type %d perm %x\n",
957 (int)ace->a_type, (int)ace->a_perm));
958
959 g_ace->ace_perm = 0;
960
961 switch(ace->a_type) {
962 case SMB_ACL_USER:
963 g_ace->ace_type = GPFS_ACL_USER;
964 g_ace->ace_who = (gpfs_uid_t)ace->info.user.uid;
965 break;
966 case SMB_ACL_USER_OBJ:
967 g_ace->ace_type = GPFS_ACL_USER_OBJ;
968 g_ace->ace_perm |= ACL_PERM_CONTROL;
969 g_ace->ace_who = 0;
970 break;
971 case SMB_ACL_GROUP:
972 g_ace->ace_type = GPFS_ACL_GROUP;
973 g_ace->ace_who = (gpfs_uid_t)ace->info.group.gid;
974 break;
975 case SMB_ACL_GROUP_OBJ:
976 g_ace->ace_type = GPFS_ACL_GROUP_OBJ;
977 g_ace->ace_who = 0;
978 break;
979 case SMB_ACL_MASK:
980 g_ace->ace_type = GPFS_ACL_MASK;
981 g_ace->ace_perm = 0x8f;
982 g_ace->ace_who = 0;
983 break;
984 case SMB_ACL_OTHER:
985 g_ace->ace_type = GPFS_ACL_OTHER;
986 g_ace->ace_who = 0;
987 break;
988 default:
989 DEBUG(10, ("Got invalid ace_type: %d\n", ace->a_type));
990 errno = EINVAL;
991 SAFE_FREE(result);
992 return NULL;
993 }
994
995 g_ace->ace_perm |= (ace->a_perm & SMB_ACL_READ) ?
996 ACL_PERM_READ : 0;
997 g_ace->ace_perm |= (ace->a_perm & SMB_ACL_WRITE) ?
998 ACL_PERM_WRITE : 0;
999 g_ace->ace_perm |= (ace->a_perm & SMB_ACL_EXECUTE) ?
1000 ACL_PERM_EXECUTE : 0;
1001
1002 DEBUGADD(10, ("Converted to %d id %d perm %x\n",
1003 g_ace->ace_type, g_ace->ace_who, g_ace->ace_perm));
1004 }
1005
1006 return result;
1007 }
1008
1009 static int gpfsacl_sys_acl_set_file(vfs_handle_struct *handle,
1010 const char *name,
1011 SMB_ACL_TYPE_T type,
1012 SMB_ACL_T theacl)
1013 {
1014 struct gpfs_acl *gpfs_acl;
1015 int result;
1016 struct gpfs_config_data *config;
1017
1018 SMB_VFS_HANDLE_GET_DATA(handle, config,
1019 struct gpfs_config_data,
1020 return -1);
1021
1022 if (!config->acl) {
1023 return SMB_VFS_NEXT_SYS_ACL_SET_FILE(handle, name, type, theacl);
1024 }
1025
1026 gpfs_acl = smb2gpfs_acl(theacl, type);
1027 if (gpfs_acl == NULL) {
1028 return -1;
1029 }
1030
1031 result = smbd_gpfs_putacl((char *)name, GPFS_PUTACL_STRUCT | GPFS_ACL_SAMBA, gpfs_acl);
1032
1033 SAFE_FREE(gpfs_acl);
1034 return result;
1035 }
1036
1037 static int gpfsacl_sys_acl_set_fd(vfs_handle_struct *handle,
1038 files_struct *fsp,
1039 SMB_ACL_T theacl)
1040 {
1041 struct gpfs_config_data *config;
1042
1043 SMB_VFS_HANDLE_GET_DATA(handle, config,
1044 struct gpfs_config_data,
1045 return -1);
1046
1047 if (!config->acl) {
1048 return SMB_VFS_NEXT_SYS_ACL_SET_FD(handle, fsp, theacl);
1049 }
1050
1051 return gpfsacl_sys_acl_set_file(handle, fsp->fsp_name->base_name,
1052 SMB_ACL_TYPE_ACCESS, theacl);
1053 }
1054
1055 static int gpfsacl_sys_acl_delete_def_file(vfs_handle_struct *handle,
1056 const char *path)
1057 {
1058 struct gpfs_config_data *config;
1059
1060 SMB_VFS_HANDLE_GET_DATA(handle, config,
1061 struct gpfs_config_data,
1062 return -1);
1063
1064 if (!config->acl) {
1065 return SMB_VFS_NEXT_SYS_ACL_DELETE_DEF_FILE(handle, path);
1066 }
1067
1068 errno = ENOTSUP;
1069 return -1;
1070 }
1071
1072 /*
1073 * Assumed: mode bits are shiftable and standard
1074 * Output: the new aceMask field for an smb nfs4 ace
1075 */
1076 static uint32 gpfsacl_mask_filter(uint32 aceType, uint32 aceMask, uint32 rwx)
1077 {
1078 const uint32 posix_nfs4map[3] = {
1079 SMB_ACE4_EXECUTE, /* execute */
1080 SMB_ACE4_WRITE_DATA | SMB_ACE4_APPEND_DATA, /* write; GPFS specific */
1081 SMB_ACE4_READ_DATA /* read */
1082 };
1083 int i;
1084 uint32_t posix_mask = 0x01;
1085 uint32_t posix_bit;
1086 uint32_t nfs4_bits;
1087
1088 for(i=0; i<3; i++) {
1089 nfs4_bits = posix_nfs4map[i];
1090 posix_bit = rwx & posix_mask;
1091
1092 if (aceType==SMB_ACE4_ACCESS_ALLOWED_ACE_TYPE) {
1093 if (posix_bit)
1094 aceMask |= nfs4_bits;
1095 else
1096 aceMask &= ~nfs4_bits;
1097 } else {
1098 /* add deny bits when suitable */
1099 if (!posix_bit)
1100 aceMask |= nfs4_bits;
1101 else
1102 aceMask &= ~nfs4_bits;
1103 } /* other ace types are unexpected */
1104
1105 posix_mask <<= 1;
1106 }
1107
1108 return aceMask;
1109 }
1110
1111 static int gpfsacl_emu_chmod(vfs_handle_struct *handle,
1112 const char *path, mode_t mode)
1113 {
1114 SMB4ACL_T *pacl = NULL;
1115 int result;
1116 bool haveAllowEntry[SMB_ACE4_WHO_EVERYONE + 1] = {False, False, False, False};
1117 int i;
1118 files_struct fake_fsp; /* TODO: rationalize parametrization */
1119 SMB4ACE_T *smbace;
1120 TALLOC_CTX *frame = talloc_stackframe();
1121 NTSTATUS status;
1122
1123 DEBUG(10, ("gpfsacl_emu_chmod invoked for %s mode %o\n", path, mode));
1124
1125 result = gpfs_get_nfs4_acl(frame, path, &pacl);
1126 if (result) {
1127 TALLOC_FREE(frame);
1128 return result;
1129 }
1130
1131 if (mode & ~(S_IRWXU | S_IRWXG | S_IRWXO)) {
1132 DEBUG(2, ("WARNING: cutting extra mode bits %o on %s\n", mode, path));
1133 }
1134
1135 for (smbace=smb_first_ace4(pacl); smbace!=NULL; smbace = smb_next_ace4(smbace)) {
1136 SMB_ACE4PROP_T *ace = smb_get_ace4(smbace);
1137 uint32_t specid = ace->who.special_id;
1138
1139 if (ace->flags&SMB_ACE4_ID_SPECIAL &&
1140 ace->aceType<=SMB_ACE4_ACCESS_DENIED_ACE_TYPE &&
1141 specid <= SMB_ACE4_WHO_EVERYONE) {
1142
1143 uint32_t newMask;
1144
1145 if (ace->aceType==SMB_ACE4_ACCESS_ALLOWED_ACE_TYPE)
1146 haveAllowEntry[specid] = True;
1147
1148 /* mode >> 6 for @owner, mode >> 3 for @group,
1149 * mode >> 0 for @everyone */
1150 newMask = gpfsacl_mask_filter(ace->aceType, ace->aceMask,
1151 mode >> ((SMB_ACE4_WHO_EVERYONE - specid) * 3));
1152 if (ace->aceMask!=newMask) {
1153 DEBUG(10, ("ace changed for %s (%o -> %o) id=%d\n",
1154 path, ace->aceMask, newMask, specid));
1155 }
1156 ace->aceMask = newMask;
1157 }
1158 }
1159
1160 /* make sure we have at least ALLOW entries
1161 * for all the 3 special ids (@EVERYONE, @OWNER, @GROUP)
1162 * - if necessary
1163 */
1164 for(i = SMB_ACE4_WHO_OWNER; i<=SMB_ACE4_WHO_EVERYONE; i++) {
1165 SMB_ACE4PROP_T ace;
1166
1167 if (haveAllowEntry[i]==True)
1168 continue;
1169
1170 ZERO_STRUCT(ace);
1171 ace.aceType = SMB_ACE4_ACCESS_ALLOWED_ACE_TYPE;
1172 ace.flags |= SMB_ACE4_ID_SPECIAL;
1173 ace.who.special_id = i;
1174
1175 if (i==SMB_ACE4_WHO_GROUP) /* not sure it's necessary... */
1176 ace.aceFlags |= SMB_ACE4_IDENTIFIER_GROUP;
1177
1178 ace.aceMask = gpfsacl_mask_filter(ace.aceType, ace.aceMask,
1179 mode >> ((SMB_ACE4_WHO_EVERYONE - i) * 3));
1180
1181 /* don't add unnecessary aces */
1182 if (!ace.aceMask)
1183 continue;
1184
1185 /* we add it to the END - as windows expects allow aces */
1186 smb_add_ace4(pacl, &ace);
1187 DEBUG(10, ("Added ALLOW ace for %s, mode=%o, id=%d, aceMask=%x\n",
1188 path, mode, i, ace.aceMask));
1189 }
1190
1191 /* don't add complementary DENY ACEs here */
1192 ZERO_STRUCT(fake_fsp);
1193 fake_fsp.fsp_name = synthetic_smb_fname(
1194 frame, path, NULL, NULL);
1195 if (fake_fsp.fsp_name == NULL) {
1196 errno = ENOMEM;
1197 TALLOC_FREE(frame);
1198 return -1;
1199 }
1200 /* put the acl */
1201 if (gpfsacl_process_smbacl(handle, &fake_fsp, pacl) == False) {
1202 TALLOC_FREE(frame);
1203 return -1;
1204 }
1205
1206 TALLOC_FREE(frame);
1207 return 0; /* ok for [f]chmod */
1208 }
1209
1210 static int vfs_gpfs_chmod(vfs_handle_struct *handle, const char *path, mode_t mode)
1211 {
1212 struct smb_filename *smb_fname_cpath;
1213 int rc;
1214
1215 smb_fname_cpath = synthetic_smb_fname(talloc_tos(), path, NULL, NULL);
1216 if (smb_fname_cpath == NULL) {
1217 errno = ENOMEM;
1218 return -1;
1219 }
1220
1221 if (SMB_VFS_NEXT_STAT(handle, smb_fname_cpath) != 0) {
1222 return -1;
1223 }
1224
1225 /* avoid chmod() if possible, to preserve acls */
1226 if ((smb_fname_cpath->st.st_ex_mode & ~S_IFMT) == mode) {
1227 return 0;
1228 }
1229
1230 rc = gpfsacl_emu_chmod(handle, path, mode);
1231 if (rc == 1)
1232 return SMB_VFS_NEXT_CHMOD(handle, path, mode);
1233 return rc;
1234 }
1235
1236 static int vfs_gpfs_fchmod(vfs_handle_struct *handle, files_struct *fsp, mode_t mode)
1237 {
1238 SMB_STRUCT_STAT st;
1239 int rc;
1240
1241 if (SMB_VFS_NEXT_FSTAT(handle, fsp, &st) != 0) {
1242 return -1;
1243 }
1244
1245 /* avoid chmod() if possible, to preserve acls */
1246 if ((st.st_ex_mode & ~S_IFMT) == mode) {
1247 return 0;
1248 }
1249
1250 rc = gpfsacl_emu_chmod(handle, fsp->fsp_name->base_name,
1251 mode);
1252 if (rc == 1)
1253 return SMB_VFS_NEXT_FCHMOD(handle, fsp, mode);
1254 return rc;
1255 }
1256
1257 static int gpfs_set_xattr(struct vfs_handle_struct *handle, const char *path,
1258 const char *name, const void *value, size_t size, int flags){
1259 struct xattr_DOSATTRIB dosattrib;
1260 enum ndr_err_code ndr_err;
1261 DATA_BLOB blob;
1262 const char *attrstr = value;
1263 unsigned int dosmode=0;
1264 struct gpfs_winattr attrs;
1265 int ret = 0;
1266 struct gpfs_config_data *config;
1267
1268 SMB_VFS_HANDLE_GET_DATA(handle, config,
1269 struct gpfs_config_data,
1270 return -1);
1271
1272 if (!config->winattr) {
1273 DEBUG(10, ("gpfs_set_xattr:name is %s -> next\n",name));
1274 return SMB_VFS_NEXT_SETXATTR(handle,path,name,value,size,flags);
1275 }
1276
1277 DEBUG(10, ("gpfs_set_xattr: %s \n",path));
1278
1279 /* Only handle DOS Attributes */
1280 if (strcmp(name,SAMBA_XATTR_DOS_ATTRIB) != 0){
1281 DEBUG(5, ("gpfs_set_xattr:name is %s\n",name));
1282 return SMB_VFS_NEXT_SETXATTR(handle,path,name,value,size,flags);
1283 }
1284
1285 blob.data = (uint8_t *)attrstr;
1286 blob.length = size;
1287
1288 ndr_err = ndr_pull_struct_blob(&blob, talloc_tos(), &dosattrib,
1289 (ndr_pull_flags_fn_t)ndr_pull_xattr_DOSATTRIB);
1290
1291 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
1292 DEBUG(1, ("gpfs_set_xattr: bad ndr decode "
1293 "from EA on file %s: Error = %s\n",
1294 path, ndr_errstr(ndr_err)));
1295 return false;
1296 }
1297
1298 if (dosattrib.version != 3) {
1299 DEBUG(1, ("gpfs_set_xattr: expected dosattrib version 3, got "
1300 "%d\n", (int)dosattrib.version));
1301 return false;
1302 }
1303 if (!(dosattrib.info.info3.valid_flags & XATTR_DOSINFO_ATTRIB)) {
1304 DEBUG(10, ("gpfs_set_xattr: XATTR_DOSINFO_ATTRIB not "
1305 "valid, ignoring\n"));
1306 return true;
1307 }
1308
1309 dosmode = dosattrib.info.info3.attrib;
1310
1311 attrs.winAttrs = 0;
1312 /*Just map RD_ONLY, ARCHIVE, SYSTEM HIDDEN and SPARSE. Ignore the others*/
1313 if (dosmode & FILE_ATTRIBUTE_ARCHIVE){
1314 attrs.winAttrs |= GPFS_WINATTR_ARCHIVE;
1315 }
1316 if (dosmode & FILE_ATTRIBUTE_HIDDEN){
1317 attrs.winAttrs |= GPFS_WINATTR_HIDDEN;
1318 }
1319 if (dosmode & FILE_ATTRIBUTE_SYSTEM){
1320 attrs.winAttrs |= GPFS_WINATTR_SYSTEM;
1321 }
1322 if (dosmode & FILE_ATTRIBUTE_READONLY){
1323 attrs.winAttrs |= GPFS_WINATTR_READONLY;
1324 }
1325 if (dosmode & FILE_ATTRIBUTE_SPARSE) {
1326 attrs.winAttrs |= GPFS_WINATTR_SPARSE_FILE;
1327 }
1328
1329
1330 ret = set_gpfs_winattrs(discard_const_p(char, path),
1331 GPFS_WINATTR_SET_ATTRS, &attrs);
1332 if ( ret == -1){
1333 if (errno == ENOSYS) {
1334 return SMB_VFS_NEXT_SETXATTR(handle, path, name, value,
1335 size, flags);
1336 }
1337
1338 DEBUG(1, ("gpfs_set_xattr:Set GPFS attributes failed %d\n",ret));
1339 return -1;
1340 }
1341
1342 DEBUG(10, ("gpfs_set_xattr:Set attributes: 0x%x\n",attrs.winAttrs));
1343 return 0;
1344 }
1345
1346 static ssize_t gpfs_get_xattr(struct vfs_handle_struct *handle, const char *path,
1347 const char *name, void *value, size_t size){
1348 char *attrstr = value;
1349 unsigned int dosmode = 0;
1350 struct gpfs_winattr attrs;
1351 int ret = 0;
1352 struct gpfs_config_data *config;
1353
1354 SMB_VFS_HANDLE_GET_DATA(handle, config,
1355 struct gpfs_config_data,
1356 return -1);
1357
1358 if (!config->winattr) {
1359 DEBUG(10, ("gpfs_get_xattr:name is %s -> next\n",name));
1360 return SMB_VFS_NEXT_GETXATTR(handle,path,name,value,size);
1361 }
1362
1363 DEBUG(10, ("gpfs_get_xattr: %s \n",path));
1364
1365 /* Only handle DOS Attributes */
1366 if (strcmp(name,SAMBA_XATTR_DOS_ATTRIB) != 0){
1367 DEBUG(5, ("gpfs_get_xattr:name is %s\n",name));
1368 return SMB_VFS_NEXT_GETXATTR(handle,path,name,value,size);
1369 }
1370
1371 ret = get_gpfs_winattrs(discard_const_p(char, path), &attrs);
1372 if ( ret == -1){
1373 if (errno == ENOSYS) {
1374 return SMB_VFS_NEXT_GETXATTR(handle, path, name, value,
1375 size);
1376 }
1377
1378 DEBUG(1, ("gpfs_get_xattr: Get GPFS attributes failed: "
1379 "%d (%s)\n", ret, strerror(errno)));
1380 return -1;
1381 }
1382
1383 DEBUG(10, ("gpfs_get_xattr:Got attributes: 0x%x\n",attrs.winAttrs));
1384
1385 /*Just map RD_ONLY, ARCHIVE, SYSTEM, HIDDEN and SPARSE. Ignore the others*/
1386 if (attrs.winAttrs & GPFS_WINATTR_ARCHIVE){
1387 dosmode |= FILE_ATTRIBUTE_ARCHIVE;
1388 }
1389 if (attrs.winAttrs & GPFS_WINATTR_HIDDEN){
1390 dosmode |= FILE_ATTRIBUTE_HIDDEN;
1391 }
1392 if (attrs.winAttrs & GPFS_WINATTR_SYSTEM){
1393 dosmode |= FILE_ATTRIBUTE_SYSTEM;
1394 }
1395 if (attrs.winAttrs & GPFS_WINATTR_READONLY){
1396 dosmode |= FILE_ATTRIBUTE_READONLY;
1397 }
1398 if (attrs.winAttrs & GPFS_WINATTR_SPARSE_FILE) {
1399 dosmode |= FILE_ATTRIBUTE_SPARSE;
1400 }
1401
1402 snprintf(attrstr, size, "0x%2.2x",
1403 (unsigned int)(dosmode & SAMBA_ATTRIBUTES_MASK));
1404 DEBUG(10, ("gpfs_get_xattr: returning %s\n",attrstr));
1405 return 4;
1406 }
1407
1408 static int vfs_gpfs_stat(struct vfs_handle_struct *handle,
1409 struct smb_filename *smb_fname)
1410 {
1411 struct gpfs_winattr attrs;
1412 char *fname = NULL;
1413 NTSTATUS status;
1414 int ret;
1415 struct gpfs_config_data *config;
1416
1417 SMB_VFS_HANDLE_GET_DATA(handle, config,
1418 struct gpfs_config_data,
1419 return -1);
1420
1421 ret = SMB_VFS_NEXT_STAT(handle, smb_fname);
1422 if (ret == -1) {
1423 return -1;
1424 }
1425
1426 if (!config->winattr) {
1427 return 0;
1428 }
1429
1430 status = get_full_smb_filename(talloc_tos(), smb_fname, &fname);
1431 if (!NT_STATUS_IS_OK(status)) {
1432 errno = map_errno_from_nt_status(status);
1433 return -1;
1434 }
1435 ret = get_gpfs_winattrs(discard_const_p(char, fname), &attrs);
1436 TALLOC_FREE(fname);
1437 if (ret == 0) {
1438 smb_fname->st.st_ex_calculated_birthtime = false;
1439 smb_fname->st.st_ex_btime.tv_sec = attrs.creationTime.tv_sec;
1440 smb_fname->st.st_ex_btime.tv_nsec = attrs.creationTime.tv_nsec;
1441 smb_fname->st.vfs_private = attrs.winAttrs;
1442 }
1443 return 0;
1444 }
1445
1446 static int vfs_gpfs_fstat(struct vfs_handle_struct *handle,
1447 struct files_struct *fsp, SMB_STRUCT_STAT *sbuf)
1448 {
1449 struct gpfs_winattr attrs;
1450 int ret;
1451 struct gpfs_config_data *config;
1452
1453 SMB_VFS_HANDLE_GET_DATA(handle, config,
1454 struct gpfs_config_data,
1455 return -1);
1456
1457 ret = SMB_VFS_NEXT_FSTAT(handle, fsp, sbuf);
1458 if (ret == -1) {
1459 return -1;
1460 }
1461 if ((fsp->fh == NULL) || (fsp->fh->fd == -1)) {
1462 return 0;
1463 }
1464 if (!config->winattr) {
1465 return 0;
1466 }
1467
1468 ret = smbd_fget_gpfs_winattrs(fsp->fh->fd, &attrs);
1469 if (ret == 0) {
1470 sbuf->st_ex_calculated_birthtime = false;
1471 sbuf->st_ex_btime.tv_sec = attrs.creationTime.tv_sec;
1472 sbuf->st_ex_btime.tv_nsec = attrs.creationTime.tv_nsec;
1473 }
1474 return 0;
1475 }
1476
1477 static int vfs_gpfs_lstat(struct vfs_handle_struct *handle,
1478 struct smb_filename *smb_fname)
1479 {
1480 struct gpfs_winattr attrs;
1481 char *path = NULL;
1482 NTSTATUS status;
1483 int ret;
1484 struct gpfs_config_data *config;
1485
1486 SMB_VFS_HANDLE_GET_DATA(handle, config,
1487 struct gpfs_config_data,
1488 return -1);
1489
1490 ret = SMB_VFS_NEXT_LSTAT(handle, smb_fname);
1491 if (ret == -1) {
1492 return -1;
1493 }
1494 if (!config->winattr) {
1495 return 0;
1496 }
1497
1498 status = get_full_smb_filename(talloc_tos(), smb_fname, &path);
1499 if (!NT_STATUS_IS_OK(status)) {
1500 errno = map_errno_from_nt_status(status);
1501 return -1;
1502 }
1503 ret = get_gpfs_winattrs(discard_const_p(char, path), &attrs);
1504 TALLOC_FREE(path);
1505 if (ret == 0) {
1506 smb_fname->st.st_ex_calculated_birthtime = false;
1507 smb_fname->st.st_ex_btime.tv_sec = attrs.creationTime.tv_sec;
1508 smb_fname->st.st_ex_btime.tv_nsec = attrs.creationTime.tv_nsec;
1509 smb_fname->st.vfs_private = attrs.winAttrs;
1510 }
1511 return 0;
1512 }
1513
1514 static int vfs_gpfs_ntimes(struct vfs_handle_struct *handle,
1515 const struct smb_filename *smb_fname,
1516 struct smb_file_time *ft)
1517 {
1518
1519 struct gpfs_winattr attrs;
1520 int ret;
1521 char *path = NULL;
1522 NTSTATUS status;
1523 struct gpfs_config_data *config;
1524
1525 SMB_VFS_HANDLE_GET_DATA(handle, config,
1526 struct gpfs_config_data,
1527 return -1);
1528
1529 ret = SMB_VFS_NEXT_NTIMES(handle, smb_fname, ft);
1530 if(ret == -1){
1531 /* don't complain if access was denied */
1532 if (errno != EPERM && errno != EACCES) {
1533 DEBUG(1,("vfs_gpfs_ntimes: SMB_VFS_NEXT_NTIMES failed:"
1534 "%s", strerror(errno)));
1535 }
1536 return -1;
1537 }
1538
1539 if(null_timespec(ft->create_time)){
1540 DEBUG(10,("vfs_gpfs_ntimes:Create Time is NULL\n"));
1541 return 0;
1542 }
1543
1544 if (!config->winattr) {
1545 return 0;
1546 }
1547
1548 status = get_full_smb_filename(talloc_tos(), smb_fname, &path);
1549 if (!NT_STATUS_IS_OK(status)) {
1550 errno = map_errno_from_nt_status(status);
1551 return -1;
1552 }
1553
1554 attrs.winAttrs = 0;
1555 attrs.creationTime.tv_sec = ft->create_time.tv_sec;
1556 attrs.creationTime.tv_nsec = ft->create_time.tv_nsec;
1557
1558 ret = set_gpfs_winattrs(discard_const_p(char, path),
1559 GPFS_WINATTR_SET_CREATION_TIME, &attrs);
1560 if(ret == -1 && errno != ENOSYS){
1561 DEBUG(1,("vfs_gpfs_ntimes: set GPFS ntimes failed %d\n",ret));
1562 return -1;
1563 }
1564 return 0;
1565
1566 }
1567
1568 static int vfs_gpfs_fallocate(struct vfs_handle_struct *handle,
1569 struct files_struct *fsp, enum vfs_fallocate_mode mode,
1570 off_t offset, off_t len)
1571 {
1572 int ret;
1573 struct gpfs_config_data *config;
1574
1575 SMB_VFS_HANDLE_GET_DATA(handle, config,
1576 struct gpfs_config_data,
1577 return -1);
1578
1579 if (!config->prealloc) {
1580 /* you should better not run fallocate() on GPFS at all */
1581 errno = ENOTSUP;
1582 return -1;
1583 }
1584
1585 if (mode == VFS_FALLOCATE_KEEP_SIZE) {
1586 DEBUG(10, ("Unsupported VFS_FALLOCATE_KEEP_SIZE\n"));
1587 errno = ENOTSUP;
1588 return -1;
1589 }
1590
1591 ret = smbd_gpfs_prealloc(fsp->fh->fd, offset, len);
1592
1593 if (ret == -1 && errno != ENOSYS) {
1594 DEBUG(0, ("GPFS prealloc failed: %s\n", strerror(errno)));
1595 } else if (ret == -1 && errno == ENOSYS) {
1596 DEBUG(10, ("GPFS prealloc not supported.\n"));
1597 } else {
1598 DEBUG(10, ("GPFS prealloc succeeded.\n"));
1599 }
1600
1601 return ret;
1602 }
1603
1604 static int vfs_gpfs_ftruncate(vfs_handle_struct *handle, files_struct *fsp,
1605 off_t len)
1606 {
1607 int result;
1608 struct gpfs_config_data *config;
1609
1610 SMB_VFS_HANDLE_GET_DATA(handle, config,
1611 struct gpfs_config_data,
1612 return -1);
1613
1614 if (!config->ftruncate) {
1615 return SMB_VFS_NEXT_FTRUNCATE(handle, fsp, len);
1616 }
1617
1618 result = smbd_gpfs_ftruncate(fsp->fh->fd, len);
1619 if ((result == -1) && (errno == ENOSYS)) {
1620 return SMB_VFS_NEXT_FTRUNCATE(handle, fsp, len);
1621 }
1622 return result;
1623 }
1624
1625 static bool vfs_gpfs_is_offline(struct vfs_handle_struct *handle,
1626 const struct smb_filename *fname,
1627 SMB_STRUCT_STAT *sbuf)
1628 {
1629 struct gpfs_winattr attrs;
1630 char *path = NULL;
1631 NTSTATUS status;
1632 struct gpfs_config_data *config;
1633
1634 SMB_VFS_HANDLE_GET_DATA(handle, config,
1635 struct gpfs_config_data,
1636 return -1);
1637
1638 if (!config->winattr) {
1639 return SMB_VFS_NEXT_IS_OFFLINE(handle, fname, sbuf);
1640 }
1641
1642 status = get_full_smb_filename(talloc_tos(), fname, &path);
1643 if (!NT_STATUS_IS_OK(status)) {
1644 errno = map_errno_from_nt_status(status);
1645 return -1;
1646 }
1647
1648 if (VALID_STAT(*sbuf)) {
1649 attrs.winAttrs = sbuf->vfs_private;
1650 } else {
1651 int ret;
1652 ret = get_gpfs_winattrs(path, &attrs);
1653
1654 if (ret == -1) {
1655 TALLOC_FREE(path);
1656 return false;
1657 }
1658 }
1659 if ((attrs.winAttrs & GPFS_WINATTR_OFFLINE) != 0) {
1660 DEBUG(10, ("%s is offline\n", path));
1661 TALLOC_FREE(path);
1662 return true;
1663 }
1664 DEBUG(10, ("%s is online\n", path));
1665 TALLOC_FREE(path);
1666 return SMB_VFS_NEXT_IS_OFFLINE(handle, fname, sbuf);
1667 }
1668
1669 static bool vfs_gpfs_aio_force(struct vfs_handle_struct *handle,
1670 struct files_struct *fsp)
1671 {
1672 return vfs_gpfs_is_offline(handle, fsp->fsp_name, &fsp->fsp_name->st);
1673 }
1674
1675 static ssize_t vfs_gpfs_sendfile(vfs_handle_struct *handle, int tofd,
1676 files_struct *fsp, const DATA_BLOB *hdr,
1677 off_t offset, size_t n)
1678 {
1679 if ((fsp->fsp_name->st.vfs_private & GPFS_WINATTR_OFFLINE) != 0) {
1680 errno = ENOSYS;
1681 return -1;
1682 }
1683 return SMB_VFS_NEXT_SENDFILE(handle, tofd, fsp, hdr, offset, n);
1684 }
1685
1686 static int vfs_gpfs_connect(struct vfs_handle_struct *handle,
1687 const char *service, const char *user)
1688 {
1689 struct gpfs_config_data *config;
1690 int ret;
1691
1692 smbd_gpfs_lib_init();
1693
1694 config = talloc_zero(handle->conn, struct gpfs_config_data);
1695 if (!config) {
1696 DEBUG(0, ("talloc_zero() failed\n"));
1697 errno = ENOMEM;
1698 return -1;
1699 }
1700
1701 ret = SMB_VFS_NEXT_CONNECT(handle, service, user);
1702 if (ret < 0) {
1703 TALLOC_FREE(config);
1704 return ret;
1705 }
1706
1707 config->sharemodes = lp_parm_bool(SNUM(handle->conn), "gpfs",
1708 "sharemodes", true);
1709
1710 config->leases = lp_parm_bool(SNUM(handle->conn), "gpfs",
1711 "leases", true);
1712
1713 config->hsm = lp_parm_bool(SNUM(handle->conn), "gpfs",
1714 "hsm", false);
1715
1716 config->syncio = lp_parm_bool(SNUM(handle->conn), "gpfs",
1717 "syncio", false);
1718
1719 config->winattr = lp_parm_bool(SNUM(handle->conn), "gpfs",
1720 "winattr", false);
1721
1722 config->ftruncate = lp_parm_bool(SNUM(handle->conn), "gpfs",
1723 "ftruncate", true);
1724
1725 config->getrealfilename = lp_parm_bool(SNUM(handle->conn), "gpfs",
1726 "getrealfilename", true);
1727
1728 config->dfreequota = lp_parm_bool(SNUM(handle->conn), "gpfs",
1729 "dfreequota", false);
1730
1731 config->prealloc = lp_parm_bool(SNUM(handle->conn), "gpfs",
1732 "prealloc", true);
1733
1734 config->acl = lp_parm_bool(SNUM(handle->conn), "gpfs", "acl", true);
1735
1736 SMB_VFS_HANDLE_SET_DATA(handle, config,
1737 NULL, struct gpfs_config_data,
1738 return -1);
1739
1740 if (config->leases) {
1741 /*
1742 * GPFS lease code is based on kernel oplock code
1743 * so make sure it is turned on
1744 */
1745 if (!lp_kernel_oplocks(SNUM(handle->conn))) {
1746 DEBUG(5, ("Enabling kernel oplocks for "
1747 "gpfs:leases to work\n"));
1748 lp_do_parameter(SNUM(handle->conn), "kernel oplocks",
1749 "true");
1750 }
1751
1752 /*
1753 * as the kernel does not properly support Level II oplocks
1754 * and GPFS leases code is based on kernel infrastructure, we
1755 * need to turn off Level II oplocks if gpfs:leases is enabled
1756 */
1757 if (lp_level2_oplocks(SNUM(handle->conn))) {
1758 DEBUG(5, ("gpfs:leases are enabled, disabling "
1759 "Level II oplocks\n"));
1760 lp_do_parameter(SNUM(handle->conn), "level2 oplocks",
1761 "false");
1762 }
1763 }
1764
1765 return 0;
1766 }
1767
1768 static int vfs_gpfs_get_quotas(const char *path, uid_t uid, gid_t gid,
1769 int *fset_id,
1770 struct gpfs_quotaInfo *qi_user,
1771 struct gpfs_quotaInfo *qi_group,
1772 struct gpfs_quotaInfo *qi_fset)
1773 {
1774 int err;
1775 char *dir_path;
1776 bool b;
1777
1778 /*
1779 * We want to always use the directory to get the fileset id,
1780 * because files might have a share mode. We also do not want
1781 * to get the parent directory when there is already a
1782 * directory to avoid stepping in a different fileset. The
1783 * path passed here is currently either "." or a filename, so
1784 * this is ok. The proper solution would be having a way to
1785 * query the fileset id without opening the file.
1786 */
1787 b = parent_dirname(talloc_tos(), path, &dir_path, NULL);
1788 if (!b) {
1789 errno = ENOMEM;
1790 return -1;
1791 }
1792
1793 DEBUG(10, ("path %s, directory %s\n", path, dir_path));
1794
1795 err = get_gpfs_fset_id(dir_path, fset_id);
1796 if (err) {
1797 DEBUG(0, ("Get fset id failed path %s, dir %s, errno %d.\n",
1798 path, dir_path, errno));
1799 return err;
1800 }
1801
1802 err = get_gpfs_quota(path, GPFS_USRQUOTA, uid, qi_user);
1803 if (err) {
1804 return err;
1805 }
1806
1807 err = get_gpfs_quota(path, GPFS_GRPQUOTA, gid, qi_group);
1808 if (err) {
1809 return err;
1810 }
1811
1812 err = get_gpfs_quota(path, GPFS_FILESETQUOTA, *fset_id, qi_fset);
1813 if (err) {
1814 return err;
1815 }
1816
1817 return 0;
1818 }
1819
1820 static void vfs_gpfs_disk_free_quota(struct gpfs_quotaInfo qi, time_t cur_time,
1821 uint64_t *dfree, uint64_t *dsize)
1822 {
1823 uint64_t usage, limit;
1824
1825 /*
1826 * The quota reporting is done in units of 1024 byte blocks, but
1827 * sys_fsusage uses units of 512 byte blocks, adjust the block number
1828 * accordingly. Also filter possibly negative usage counts from gpfs.
1829 */
1830 usage = qi.blockUsage < 0 ? 0 : (uint64_t)qi.blockUsage * 2;
1831 limit = (uint64_t)qi.blockHardLimit * 2;
1832
1833 /*
1834 * When the grace time for the exceeded soft block quota has been
1835 * exceeded, the soft block quota becomes an additional hard limit.
1836 */
1837 if (qi.blockSoftLimit &&
1838 qi.blockGraceTime && cur_time > qi.blockGraceTime) {
1839 /* report disk as full */
1840 *dfree = 0;
1841 *dsize = MIN(*dsize, usage);
1842 }
1843
1844 if (!qi.blockHardLimit)
1845 return;
1846
1847 if (usage >= limit) {
1848 /* report disk as full */
1849 *dfree = 0;
1850 *dsize = MIN(*dsize, usage);
1851
1852 } else {
1853 /* limit has not been reached, determine "free space" */
1854 *dfree = MIN(*dfree, limit - usage);
1855 *dsize = MIN(*dsize, limit);
1856 }
1857 }
1858
1859 static uint64_t vfs_gpfs_disk_free(vfs_handle_struct *handle, const char *path,
1860 bool small_query, uint64_t *bsize,
1861 uint64_t *dfree, uint64_t *dsize)
1862 {
1863 struct security_unix_token *utok;
1864 struct gpfs_quotaInfo qi_user, qi_group, qi_fset;
1865 struct gpfs_config_data *config;
1866 int err, fset_id;
1867 time_t cur_time;
1868
1869 SMB_VFS_HANDLE_GET_DATA(handle, config, struct gpfs_config_data,
1870 return (uint64_t)-1);
1871 if (!config->dfreequota) {
1872 return SMB_VFS_NEXT_DISK_FREE(handle, path, small_query,
1873 bsize, dfree, dsize);
1874 }
1875
1876 err = sys_fsusage(path, dfree, dsize);
1877 if (err) {
1878 DEBUG (0, ("Could not get fs usage, errno %d\n", errno));
1879 return SMB_VFS_NEXT_DISK_FREE(handle, path, small_query,
1880 bsize, dfree, dsize);
1881 }
1882
1883 /* sys_fsusage returns units of 512 bytes */
1884 *bsize = 512;
1885
1886 DEBUG(10, ("fs dfree %llu, dsize %llu\n",
1887 (unsigned long long)*dfree, (unsigned long long)*dsize));
1888
1889 utok = handle->conn->session_info->unix_token;
1890 err = vfs_gpfs_get_quotas(path, utok->uid, utok->gid, &fset_id,
1891 &qi_user, &qi_group, &qi_fset);
1892 if (err) {
1893 return SMB_VFS_NEXT_DISK_FREE(handle, path, small_query,
1894 bsize, dfree, dsize);
1895 }
1896
1897 cur_time = time(NULL);
1898
1899 /* Adjust free space and size according to quota limits. */
1900 vfs_gpfs_disk_free_quota(qi_user, cur_time, dfree, dsize);
1901 vfs_gpfs_disk_free_quota(qi_group, cur_time, dfree, dsize);
1902
1903 /* Id 0 indicates the default quota, not an actual quota */
1904 if (fset_id != 0) {
1905 vfs_gpfs_disk_free_quota(qi_fset, cur_time, dfree, dsize);
1906 }
1907
1908 disk_norm(small_query, bsize, dfree, dsize);
1909 return *dfree;
1910 }
1911
1912 static uint32_t vfs_gpfs_capabilities(struct vfs_handle_struct *handle,
1913 enum timestamp_set_resolution *p_ts_res)
1914 {
1915 struct gpfs_config_data *config;
1916 uint32_t next;
1917
1918 next = SMB_VFS_NEXT_FS_CAPABILITIES(handle, p_ts_res);
1919
1920 SMB_VFS_HANDLE_GET_DATA(handle, config,
1921 struct gpfs_config_data,
1922 return next);
1923
1924 if (config->hsm) {
1925 next |= FILE_SUPPORTS_REMOTE_STORAGE;
1926 }
1927 return next;
1928 }
1929
1930 static int vfs_gpfs_open(struct vfs_handle_struct *handle,
1931 struct smb_filename *smb_fname, files_struct *fsp,
1932 int flags, mode_t mode)
1933 {
1934 struct gpfs_config_data *config;
1935
1936 SMB_VFS_HANDLE_GET_DATA(handle, config,
1937 struct gpfs_config_data,
1938 return -1);
1939
1940 if (config->syncio) {
1941 flags |= O_SYNC;
1942 }
1943 return SMB_VFS_NEXT_OPEN(handle, smb_fname, fsp, flags, mode);
1944 }
1945
1946 static ssize_t vfs_gpfs_pread(vfs_handle_struct *handle, files_struct *fsp,
1947 void *data, size_t n, off_t offset)
1948 {
1949 ssize_t ret;
1950
1951 ret = SMB_VFS_NEXT_PREAD(handle, fsp, data, n, offset);
1952
1953 DEBUG(10, ("vfs_private = %x\n",
1954 (unsigned int)fsp->fsp_name->st.vfs_private));
1955
1956 if ((ret != -1) &&
1957 ((fsp->fsp_name->st.vfs_private & GPFS_WINATTR_OFFLINE) != 0)) {
1958 fsp->fsp_name->st.vfs_private &= ~GPFS_WINATTR_OFFLINE;
1959 notify_fname(handle->conn, NOTIFY_ACTION_MODIFIED,
1960 FILE_NOTIFY_CHANGE_ATTRIBUTES,
1961 fsp->fsp_name->base_name);
1962 }
1963
1964 return ret;
1965 }
1966
1967 struct vfs_gpfs_pread_state {
1968 struct files_struct *fsp;
1969 ssize_t ret;
1970 int err;
1971 };
1972
1973 static void vfs_gpfs_pread_done(struct tevent_req *subreq);
1974
1975 static struct tevent_req *vfs_gpfs_pread_send(struct vfs_handle_struct *handle,
1976 TALLOC_CTX *mem_ctx,
1977 struct tevent_context *ev,
1978 struct files_struct *fsp,
1979 void *data, size_t n,
1980 off_t offset)
1981 {
1982 struct tevent_req *req, *subreq;
1983 struct vfs_gpfs_pread_state *state;
1984
1985 req = tevent_req_create(mem_ctx, &state, struct vfs_gpfs_pread_state);
1986 if (req == NULL) {
1987 return NULL;
1988 }
1989 state->fsp = fsp;
1990 subreq = SMB_VFS_NEXT_PREAD_SEND(state, ev, handle, fsp, data,
1991 n, offset);
1992 if (tevent_req_nomem(subreq, req)) {
1993 return tevent_req_post(req, ev);
1994 }
1995 tevent_req_set_callback(subreq, vfs_gpfs_pread_done, req);
1996 return req;
1997 }
1998
1999 static void vfs_gpfs_pread_done(struct tevent_req *subreq)
2000 {
2001 struct tevent_req *req = tevent_req_callback_data(
2002 subreq, struct tevent_req);
2003 struct vfs_gpfs_pread_state *state = tevent_req_data(
2004 req, struct vfs_gpfs_pread_state);
2005
2006 state->ret = SMB_VFS_PREAD_RECV(subreq, &state->err);
2007 TALLOC_FREE(subreq);
2008 tevent_req_done(req);
2009 }
2010
2011 static ssize_t vfs_gpfs_pread_recv(struct tevent_req *req, int *err)
2012 {
2013 struct vfs_gpfs_pread_state *state = tevent_req_data(
2014 req, struct vfs_gpfs_pread_state);
2015 struct files_struct *fsp = state->fsp;
2016
2017 if (tevent_req_is_unix_error(req, err)) {
2018 return -1;
2019 }
2020 *err = state->err;
2021
2022 DEBUG(10, ("vfs_private = %x\n",
2023 (unsigned int)fsp->fsp_name->st.vfs_private));
2024
2025 if ((state->ret != -1) &&
2026 ((fsp->fsp_name->st.vfs_private & GPFS_WINATTR_OFFLINE) != 0)) {
2027 fsp->fsp_name->st.vfs_private &= ~GPFS_WINATTR_OFFLINE;
2028 DEBUG(10, ("sending notify\n"));
2029 notify_fname(fsp->conn, NOTIFY_ACTION_MODIFIED,
2030 FILE_NOTIFY_CHANGE_ATTRIBUTES,
2031 fsp->fsp_name->base_name);
2032 }
2033
2034 return state->ret;
2035 }
2036
2037 static ssize_t vfs_gpfs_pwrite(vfs_handle_struct *handle, files_struct *fsp,
2038 const void *data, size_t n, off_t offset)
2039 {
2040 ssize_t ret;
2041
2042 ret = SMB_VFS_NEXT_PWRITE(handle, fsp, data, n, offset);
2043
2044 DEBUG(10, ("vfs_private = %x\n",
2045 (unsigned int)fsp->fsp_name->st.vfs_private));
2046
2047 if ((ret != -1) &&
2048 ((fsp->fsp_name->st.vfs_private & GPFS_WINATTR_OFFLINE) != 0)) {
2049 fsp->fsp_name->st.vfs_private &= ~GPFS_WINATTR_OFFLINE;
2050 notify_fname(handle->conn, NOTIFY_ACTION_MODIFIED,
2051 FILE_NOTIFY_CHANGE_ATTRIBUTES,
2052 fsp->fsp_name->base_name);
2053 }
2054
2055 return ret;
2056 }
2057
2058 struct vfs_gpfs_pwrite_state {
2059 struct files_struct *fsp;
2060 ssize_t ret;
2061 int err;
2062 };
2063
2064 static void vfs_gpfs_pwrite_done(struct tevent_req *subreq);
2065
2066 static struct tevent_req *vfs_gpfs_pwrite_send(
2067 struct vfs_handle_struct *handle,
2068 TALLOC_CTX *mem_ctx,
2069 struct tevent_context *ev,
2070 struct files_struct *fsp,
2071 const void *data, size_t n,
2072 off_t offset)
2073 {
2074 struct tevent_req *req, *subreq;
2075 struct vfs_gpfs_pwrite_state *state;
2076
2077 req = tevent_req_create(mem_ctx, &state, struct vfs_gpfs_pwrite_state);
2078 if (req == NULL) {
2079 return NULL;
2080 }
2081 state->fsp = fsp;
2082 subreq = SMB_VFS_NEXT_PWRITE_SEND(state, ev, handle, fsp, data,
2083 n, offset);
2084 if (tevent_req_nomem(subreq, req)) {
2085 return tevent_req_post(req, ev);
2086 }
2087 tevent_req_set_callback(subreq, vfs_gpfs_pwrite_done, req);
2088 return req;
2089 }
2090
2091 static void vfs_gpfs_pwrite_done(struct tevent_req *subreq)
2092 {
2093 struct tevent_req *req = tevent_req_callback_data(
2094 subreq, struct tevent_req);
2095 struct vfs_gpfs_pwrite_state *state = tevent_req_data(
2096 req, struct vfs_gpfs_pwrite_state);
2097
2098 state->ret = SMB_VFS_PWRITE_RECV(subreq, &state->err);
2099 TALLOC_FREE(subreq);
2100 tevent_req_done(req);
2101 }
2102
2103 static ssize_t vfs_gpfs_pwrite_recv(struct tevent_req *req, int *err)
2104 {
2105 struct vfs_gpfs_pwrite_state *state = tevent_req_data(
2106 req, struct vfs_gpfs_pwrite_state);
2107 struct files_struct *fsp = state->fsp;
2108
2109 if (tevent_req_is_unix_error(req, err)) {
2110 return -1;
2111 }
2112 *err = state->err;
2113
2114 DEBUG(10, ("vfs_private = %x\n",
2115 (unsigned int)fsp->fsp_name->st.vfs_private));
2116
2117 if ((state->ret != -1) &&
2118 ((fsp->fsp_name->st.vfs_private & GPFS_WINATTR_OFFLINE) != 0)) {
2119 fsp->fsp_name->st.vfs_private &= ~GPFS_WINATTR_OFFLINE;
2120 DEBUG(10, ("sending notify\n"));
2121 notify_fname(fsp->conn, NOTIFY_ACTION_MODIFIED,
2122 FILE_NOTIFY_CHANGE_ATTRIBUTES,
2123 fsp->fsp_name->base_name);
2124 }
2125
2126 return state->ret;
2127 }
2128
2129
2130 static struct vfs_fn_pointers vfs_gpfs_fns = {
2131 .connect_fn = vfs_gpfs_connect,
2132 .disk_free_fn = vfs_gpfs_disk_free,
2133 .fs_capabilities_fn = vfs_gpfs_capabilities,
2134 .kernel_flock_fn = vfs_gpfs_kernel_flock,
2135 .linux_setlease_fn = vfs_gpfs_setlease,
2136 .get_real_filename_fn = vfs_gpfs_get_real_filename,
2137 .fget_nt_acl_fn = gpfsacl_fget_nt_acl,
2138 .get_nt_acl_fn = gpfsacl_get_nt_acl,
2139 .fset_nt_acl_fn = gpfsacl_fset_nt_acl,
2140 .sys_acl_get_file_fn = gpfsacl_sys_acl_get_file,
2141 .sys_acl_get_fd_fn = gpfsacl_sys_acl_get_fd,
2142 .sys_acl_blob_get_file_fn = gpfsacl_sys_acl_blob_get_file,
2143 .sys_acl_blob_get_fd_fn = gpfsacl_sys_acl_blob_get_fd,
2144 .sys_acl_set_file_fn = gpfsacl_sys_acl_set_file,
2145 .sys_acl_set_fd_fn = gpfsacl_sys_acl_set_fd,
2146 .sys_acl_delete_def_file_fn = gpfsacl_sys_acl_delete_def_file,
2147 .chmod_fn = vfs_gpfs_chmod,
2148 .fchmod_fn = vfs_gpfs_fchmod,
2149 .close_fn = vfs_gpfs_close,
2150 .setxattr_fn = gpfs_set_xattr,
2151 .getxattr_fn = gpfs_get_xattr,
2152 .stat_fn = vfs_gpfs_stat,
2153 .fstat_fn = vfs_gpfs_fstat,
2154 .lstat_fn = vfs_gpfs_lstat,
2155 .ntimes_fn = vfs_gpfs_ntimes,
2156 .is_offline_fn = vfs_gpfs_is_offline,
2157 .aio_force_fn = vfs_gpfs_aio_force,
2158 .sendfile_fn = vfs_gpfs_sendfile,
2159 .fallocate_fn = vfs_gpfs_fallocate,
2160 .open_fn = vfs_gpfs_open,
2161 .pread_fn = vfs_gpfs_pread,
2162 .pread_send_fn = vfs_gpfs_pread_send,
2163 .pread_recv_fn = vfs_gpfs_pread_recv,
2164 .pwrite_fn = vfs_gpfs_pwrite,
2165 .pwrite_send_fn = vfs_gpfs_pwrite_send,
2166 .pwrite_recv_fn = vfs_gpfs_pwrite_recv,
2167 .ftruncate_fn = vfs_gpfs_ftruncate
2168 };
2169
2170 NTSTATUS vfs_gpfs_init(void);
2171 NTSTATUS vfs_gpfs_init(void)
2172 {
2173 init_gpfs();
2174
2175 return smb_register_vfs(SMB_VFS_INTERFACE_VERSION, "gpfs",
2176 &vfs_gpfs_fns);
2177 }
reg import