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s3: Split a line with 1 statements
[Samba/id10ts.git] / source3 / modules / vfs_gpfs.c
bloba588ed15138d7e10e93863ddcfdffdf81478c88f
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
37 struct gpfs_config_data {
38 bool sharemodes;
39 bool leases;
40 bool hsm;
41 bool syncio;
42 };
43
44
45 static int vfs_gpfs_kernel_flock(vfs_handle_struct *handle, files_struct *fsp,
46 uint32 share_mode, uint32 access_mask)
47 {
48
49 struct gpfs_config_data *config;
50
51 SMB_VFS_HANDLE_GET_DATA(handle, config,
52 struct gpfs_config_data,
53 return -1);
54
55 START_PROFILE(syscall_kernel_flock);
56
57 kernel_flock(fsp->fh->fd, share_mode, access_mask);
58
59 if (config->sharemodes
60 && !set_gpfs_sharemode(fsp, access_mask, fsp->share_access)) {
61 return -1;
62 }
63
64 END_PROFILE(syscall_kernel_flock);
65
66 return 0;
67 }
68
69 static int vfs_gpfs_close(vfs_handle_struct *handle, files_struct *fsp)
70 {
71
72 struct gpfs_config_data *config;
73
74 SMB_VFS_HANDLE_GET_DATA(handle, config,
75 struct gpfs_config_data,
76 return -1);
77
78 if (config->sharemodes && (fsp->fh != NULL) && (fsp->fh->fd != -1)) {
79 set_gpfs_sharemode(fsp, 0, 0);
80 }
81
82 return SMB_VFS_NEXT_CLOSE(handle, fsp);
83 }
84
85 static int vfs_gpfs_setlease(vfs_handle_struct *handle, files_struct *fsp,
86 int leasetype)
87 {
88 struct gpfs_config_data *config;
89 int ret=0;
90
91 SMB_VFS_HANDLE_GET_DATA(handle, config,
92 struct gpfs_config_data,
93 return -1);
94
95 START_PROFILE(syscall_linux_setlease);
96
97 if (linux_set_lease_sighandler(fsp->fh->fd) == -1)
98 return -1;
99
100 if (config->leases) {
101 ret = set_gpfs_lease(fsp->fh->fd,leasetype);
102 }
103
104 if (ret < 0) {
105 /* This must have come from GPFS not being available */
106 /* or some other error, hence call the default */
107 ret = linux_setlease(fsp->fh->fd, leasetype);
108 }
109
110 END_PROFILE(syscall_linux_setlease);
111
112 return ret;
113 }
114
115 static int vfs_gpfs_get_real_filename(struct vfs_handle_struct *handle,
116 const char *path,
117 const char *name,
118 TALLOC_CTX *mem_ctx,
119 char **found_name)
120 {
121 int result;
122 char *full_path;
123 char real_pathname[PATH_MAX+1];
124 int buflen;
125 bool mangled;
126
127 mangled = mangle_is_mangled(name, handle->conn->params);
128 if (mangled) {
129 return SMB_VFS_NEXT_GET_REAL_FILENAME(handle, path, name,
130 mem_ctx, found_name);
131 }
132
133 full_path = talloc_asprintf(talloc_tos(), "%s/%s", path, name);
134 if (full_path == NULL) {
135 errno = ENOMEM;
136 return -1;
137 }
138
139 buflen = sizeof(real_pathname) - 1;
140
141 result = smbd_gpfs_get_realfilename_path(full_path, real_pathname,
142 &buflen);
143
144 TALLOC_FREE(full_path);
145
146 if ((result == -1) && (errno == ENOSYS)) {
147 return SMB_VFS_NEXT_GET_REAL_FILENAME(
148 handle, path, name, mem_ctx, found_name);
149 }
150
151 if (result == -1) {
152 DEBUG(10, ("smbd_gpfs_get_realfilename_path returned %s\n",
153 strerror(errno)));
154 return -1;
155 }
156
157 /*
158 * GPFS does not necessarily null-terminate the returned path
159 * but instead returns the buffer length in buflen.
160 */
161
162 if (buflen < sizeof(real_pathname)) {
163 real_pathname[buflen] = '\0';
164 } else {
165 real_pathname[sizeof(real_pathname)-1] = '\0';
166 }
167
168 DEBUG(10, ("smbd_gpfs_get_realfilename_path: %s/%s -> %s\n",
169 path, name, real_pathname));
170
171 name = strrchr_m(real_pathname, '/');
172 if (name == NULL) {
173 errno = ENOENT;
174 return -1;
175 }
176
177 *found_name = talloc_strdup(mem_ctx, name+1);
178 if (*found_name == NULL) {
179 errno = ENOMEM;
180 return -1;
181 }
182
183 return 0;
184 }
185
186 static void gpfs_dumpacl(int level, struct gpfs_acl *gacl)
187 {
188 gpfs_aclCount_t i;
189 if (gacl==NULL)
190 {
191 DEBUG(0, ("gpfs acl is NULL\n"));
192 return;
193 }
194
195 DEBUG(level, ("gpfs acl: nace: %d, type:%d, version:%d, level:%d, len:%d\n",
196 gacl->acl_nace, gacl->acl_type, gacl->acl_version, gacl->acl_level, gacl->acl_len));
197 for(i=0; i<gacl->acl_nace; i++)
198 {
199 struct gpfs_ace_v4 *gace = gacl->ace_v4 + i;
200 DEBUG(level, ("\tace[%d]: type:%d, flags:0x%x, mask:0x%x, iflags:0x%x, who:%u\n",
201 i, gace->aceType, gace->aceFlags, gace->aceMask,
202 gace->aceIFlags, gace->aceWho));
203 }
204 }
205
206 static struct gpfs_acl *gpfs_getacl_alloc(const char *fname, gpfs_aclType_t type)
207 {
208 struct gpfs_acl *acl;
209 size_t len = 200;
210 int ret;
211 TALLOC_CTX *mem_ctx = talloc_tos();
212
213 acl = (struct gpfs_acl *)TALLOC_SIZE(mem_ctx, len);
214 if (acl == NULL) {
215 errno = ENOMEM;
216 return NULL;
217 }
218
219 acl->acl_len = len;
220 acl->acl_level = 0;
221 acl->acl_version = 0;
222 acl->acl_type = type;
223
224 ret = smbd_gpfs_getacl((char *)fname, GPFS_GETACL_STRUCT | GPFS_ACL_SAMBA, acl);
225 if ((ret != 0) && (errno == ENOSPC)) {
226 struct gpfs_acl *new_acl = (struct gpfs_acl *)TALLOC_SIZE(
227 mem_ctx, acl->acl_len + sizeof(struct gpfs_acl));
228 if (new_acl == NULL) {
229 errno = ENOMEM;
230 return NULL;
231 }
232
233 new_acl->acl_len = acl->acl_len;
234 new_acl->acl_level = acl->acl_level;
235 new_acl->acl_version = acl->acl_version;
236 new_acl->acl_type = acl->acl_type;
237 acl = new_acl;
238
239 ret = smbd_gpfs_getacl((char *)fname, GPFS_GETACL_STRUCT | GPFS_ACL_SAMBA, acl);
240 }
241 if (ret != 0)
242 {
243 DEBUG(8, ("smbd_gpfs_getacl failed with %s\n",strerror(errno)));
244 return NULL;
245 }
246
247 return acl;
248 }
249
250 /* Tries to get nfs4 acls and returns SMB ACL allocated.
251 * On failure returns 1 if it got non-NFSv4 ACL to prompt
252 * retry with POSIX ACL checks.
253 * On failure returns -1 if there is system (GPFS) error, check errno.
254 * Returns 0 on success
255 */
256 static int gpfs_get_nfs4_acl(const char *fname, SMB4ACL_T **ppacl)
257 {
258 gpfs_aclCount_t i;
259 struct gpfs_acl *gacl = NULL;
260 DEBUG(10, ("gpfs_get_nfs4_acl invoked for %s\n", fname));
261
262 /* First get the real acl length */
263 gacl = gpfs_getacl_alloc(fname, 0);
264 if (gacl == NULL) {
265 DEBUG(9, ("gpfs_getacl failed for %s with %s\n",
266 fname, strerror(errno)));
267 return -1;
268 }
269
270 if (gacl->acl_type != GPFS_ACL_TYPE_NFS4) {
271 DEBUG(10, ("Got non-nfsv4 acl\n"));
272 /* Retry with POSIX ACLs check */
273 return 1;
274 }
275
276 *ppacl = smb_create_smb4acl();
277
278 DEBUG(10, ("len: %d, level: %d, version: %d, nace: %d\n",
279 gacl->acl_len, gacl->acl_level, gacl->acl_version,
280 gacl->acl_nace));
281
282 for (i=0; i<gacl->acl_nace; i++) {
283 struct gpfs_ace_v4 *gace = &gacl->ace_v4[i];
284 SMB_ACE4PROP_T smbace;
285 DEBUG(10, ("type: %d, iflags: %x, flags: %x, mask: %x, "
286 "who: %d\n", gace->aceType, gace->aceIFlags,
287 gace->aceFlags, gace->aceMask, gace->aceWho));
288
289 ZERO_STRUCT(smbace);
290 if (gace->aceIFlags & ACE4_IFLAG_SPECIAL_ID) {
291 smbace.flags |= SMB_ACE4_ID_SPECIAL;
292 switch (gace->aceWho) {
293 case ACE4_SPECIAL_OWNER:
294 smbace.who.special_id = SMB_ACE4_WHO_OWNER;
295 break;
296 case ACE4_SPECIAL_GROUP:
297 smbace.who.special_id = SMB_ACE4_WHO_GROUP;
298 break;
299 case ACE4_SPECIAL_EVERYONE:
300 smbace.who.special_id = SMB_ACE4_WHO_EVERYONE;
301 break;
302 default:
303 DEBUG(8, ("invalid special gpfs id %d "
304 "ignored\n", gace->aceWho));
305 continue; /* don't add it */
306 }
307 } else {
308 if (gace->aceFlags & ACE4_FLAG_GROUP_ID)
309 smbace.who.gid = gace->aceWho;
310 else
311 smbace.who.uid = gace->aceWho;
312 }
313
314 /* remove redundent deny entries */
315 if (i > 0 && gace->aceType == SMB_ACE4_ACCESS_DENIED_ACE_TYPE) {
316 struct gpfs_ace_v4 *prev = &gacl->ace_v4[i-1];
317 if (prev->aceType == SMB_ACE4_ACCESS_ALLOWED_ACE_TYPE &&
318 prev->aceFlags == gace->aceFlags &&
319 prev->aceIFlags == gace->aceIFlags &&
320 (gace->aceMask & prev->aceMask) == 0 &&
321 gace->aceWho == prev->aceWho) {
322 /* its redundent - skip it */
323 continue;
324 }
325 }
326
327 smbace.aceType = gace->aceType;
328 smbace.aceFlags = gace->aceFlags;
329 smbace.aceMask = gace->aceMask;
330 smb_add_ace4(*ppacl, &smbace);
331 }
332
333 return 0;
334 }
335
336 static NTSTATUS gpfsacl_fget_nt_acl(vfs_handle_struct *handle,
337 files_struct *fsp, uint32 security_info,
338 struct security_descriptor **ppdesc)
339 {
340 SMB4ACL_T *pacl = NULL;
341 int result;
342
343 *ppdesc = NULL;
344 result = gpfs_get_nfs4_acl(fsp->fsp_name->base_name, &pacl);
345
346 if (result == 0)
347 return smb_fget_nt_acl_nfs4(fsp, security_info, ppdesc, pacl);
348
349 if (result > 0) {
350 DEBUG(10, ("retrying with posix acl...\n"));
351 return posix_fget_nt_acl(fsp, security_info, ppdesc);
352 }
353
354 /* GPFS ACL was not read, something wrong happened, error code is set in errno */
355 return map_nt_error_from_unix(errno);
356 }
357
358 static NTSTATUS gpfsacl_get_nt_acl(vfs_handle_struct *handle,
359 const char *name,
360 uint32 security_info, struct security_descriptor **ppdesc)
361 {
362 SMB4ACL_T *pacl = NULL;
363 int result;
364
365 *ppdesc = NULL;
366 result = gpfs_get_nfs4_acl(name, &pacl);
367
368 if (result == 0)
369 return smb_get_nt_acl_nfs4(handle->conn, name, security_info, ppdesc, pacl);
370
371 if (result > 0) {
372 DEBUG(10, ("retrying with posix acl...\n"));
373 return posix_get_nt_acl(handle->conn, name, security_info, ppdesc);
374 }
375
376 /* GPFS ACL was not read, something wrong happened, error code is set in errno */
377 return map_nt_error_from_unix(errno);
378 }
379
380 static bool gpfsacl_process_smbacl(files_struct *fsp, SMB4ACL_T *smbacl)
381 {
382 int ret;
383 gpfs_aclLen_t gacl_len;
384 SMB4ACE_T *smbace;
385 struct gpfs_acl *gacl;
386 TALLOC_CTX *mem_ctx = talloc_tos();
387
388 gacl_len = sizeof(struct gpfs_acl) +
389 (smb_get_naces(smbacl)-1)*sizeof(gpfs_ace_v4_t);
390
391 gacl = (struct gpfs_acl *)TALLOC_SIZE(mem_ctx, gacl_len);
392 if (gacl == NULL) {
393 DEBUG(0, ("talloc failed\n"));
394 errno = ENOMEM;
395 return False;
396 }
397
398 gacl->acl_len = gacl_len;
399 gacl->acl_level = 0;
400 gacl->acl_version = GPFS_ACL_VERSION_NFS4;
401 gacl->acl_type = GPFS_ACL_TYPE_NFS4;
402 gacl->acl_nace = 0; /* change later... */
403
404 for (smbace=smb_first_ace4(smbacl); smbace!=NULL; smbace = smb_next_ace4(smbace)) {
405 struct gpfs_ace_v4 *gace = &gacl->ace_v4[gacl->acl_nace];
406 SMB_ACE4PROP_T *aceprop = smb_get_ace4(smbace);
407
408 gace->aceType = aceprop->aceType;
409 gace->aceFlags = aceprop->aceFlags;
410 gace->aceMask = aceprop->aceMask;
411
412 /*
413 * GPFS can't distinguish between WRITE and APPEND on
414 * files, so one being set without the other is an
415 * error. Sorry for the many ()'s :-)
416 */
417
418 if (!fsp->is_directory
419 &&
420 ((((gace->aceMask & ACE4_MASK_WRITE) == 0)
421 && ((gace->aceMask & ACE4_MASK_APPEND) != 0))
422 ||
423 (((gace->aceMask & ACE4_MASK_WRITE) != 0)
424 && ((gace->aceMask & ACE4_MASK_APPEND) == 0)))
425 &&
426 lp_parm_bool(fsp->conn->params->service, "gpfs",
427 "merge_writeappend", True)) {
428 DEBUG(2, ("vfs_gpfs.c: file [%s]: ACE contains "
429 "WRITE^APPEND, setting WRITE|APPEND\n",
430 fsp_str_dbg(fsp)));
431 gace->aceMask |= ACE4_MASK_WRITE|ACE4_MASK_APPEND;
432 }
433
434 gace->aceIFlags = (aceprop->flags&SMB_ACE4_ID_SPECIAL) ? ACE4_IFLAG_SPECIAL_ID : 0;
435
436 if (aceprop->flags&SMB_ACE4_ID_SPECIAL)
437 {
438 switch(aceprop->who.special_id)
439 {
440 case SMB_ACE4_WHO_EVERYONE:
441 gace->aceWho = ACE4_SPECIAL_EVERYONE;
442 break;
443 case SMB_ACE4_WHO_OWNER:
444 gace->aceWho = ACE4_SPECIAL_OWNER;
445 break;
446 case SMB_ACE4_WHO_GROUP:
447 gace->aceWho = ACE4_SPECIAL_GROUP;
448 break;
449 default:
450 DEBUG(8, ("unsupported special_id %d\n", aceprop->who.special_id));
451 continue; /* don't add it !!! */
452 }
453 } else {
454 /* just only for the type safety... */
455 if (aceprop->aceFlags&SMB_ACE4_IDENTIFIER_GROUP)
456 gace->aceWho = aceprop->who.gid;
457 else
458 gace->aceWho = aceprop->who.uid;
459 }
460
461 gacl->acl_nace++;
462 }
463
464 ret = smbd_gpfs_putacl(fsp->fsp_name->base_name,
465 GPFS_PUTACL_STRUCT | GPFS_ACL_SAMBA, gacl);
466 if (ret != 0) {
467 DEBUG(8, ("gpfs_putacl failed with %s\n", strerror(errno)));
468 gpfs_dumpacl(8, gacl);
469 return False;
470 }
471
472 DEBUG(10, ("gpfs_putacl succeeded\n"));
473 return True;
474 }
475
476 static NTSTATUS gpfsacl_set_nt_acl_internal(files_struct *fsp, uint32 security_info_sent, const struct security_descriptor *psd)
477 {
478 struct gpfs_acl *acl;
479 NTSTATUS result = NT_STATUS_ACCESS_DENIED;
480
481 acl = gpfs_getacl_alloc(fsp->fsp_name->base_name, 0);
482 if (acl == NULL)
483 return result;
484
485 if (acl->acl_version&GPFS_ACL_VERSION_NFS4)
486 {
487 if (lp_parm_bool(fsp->conn->params->service, "gpfs",
488 "refuse_dacl_protected", false)
489 && (psd->type&SEC_DESC_DACL_PROTECTED)) {
490 DEBUG(2, ("Rejecting unsupported ACL with DACL_PROTECTED bit set\n"));
491 return NT_STATUS_NOT_SUPPORTED;
492 }
493
494 result = smb_set_nt_acl_nfs4(
495 fsp, security_info_sent, psd,
496 gpfsacl_process_smbacl);
497 } else { /* assume POSIX ACL - by default... */
498 result = set_nt_acl(fsp, security_info_sent, psd);
499 }
500
501 return result;
502 }
503
504 static NTSTATUS gpfsacl_fset_nt_acl(vfs_handle_struct *handle, files_struct *fsp, uint32 security_info_sent, const struct security_descriptor *psd)
505 {
506 return gpfsacl_set_nt_acl_internal(fsp, security_info_sent, psd);
507 }
508
509 static SMB_ACL_T gpfs2smb_acl(const struct gpfs_acl *pacl)
510 {
511 SMB_ACL_T result;
512 gpfs_aclCount_t i;
513
514 result = sys_acl_init(pacl->acl_nace);
515 if (result == NULL) {
516 errno = ENOMEM;
517 return NULL;
518 }
519
520 result->count = pacl->acl_nace;
521
522 for (i=0; i<pacl->acl_nace; i++) {
523 struct smb_acl_entry *ace = &result->acl[i];
524 const struct gpfs_ace_v1 *g_ace = &pacl->ace_v1[i];
525
526 DEBUG(10, ("Converting type %d id %lu perm %x\n",
527 (int)g_ace->ace_type, (unsigned long)g_ace->ace_who,
528 (int)g_ace->ace_perm));
529
530 switch (g_ace->ace_type) {
531 case GPFS_ACL_USER:
532 ace->a_type = SMB_ACL_USER;
533 ace->uid = (uid_t)g_ace->ace_who;
534 break;
535 case GPFS_ACL_USER_OBJ:
536 ace->a_type = SMB_ACL_USER_OBJ;
537 break;
538 case GPFS_ACL_GROUP:
539 ace->a_type = SMB_ACL_GROUP;
540 ace->gid = (gid_t)g_ace->ace_who;
541 break;
542 case GPFS_ACL_GROUP_OBJ:
543 ace->a_type = SMB_ACL_GROUP_OBJ;
544 break;
545 case GPFS_ACL_OTHER:
546 ace->a_type = SMB_ACL_OTHER;
547 break;
548 case GPFS_ACL_MASK:
549 ace->a_type = SMB_ACL_MASK;
550 break;
551 default:
552 DEBUG(10, ("Got invalid ace_type: %d\n",
553 g_ace->ace_type));
554 errno = EINVAL;
555 SAFE_FREE(result);
556 return NULL;
557 }
558
559 ace->a_perm = 0;
560 ace->a_perm |= (g_ace->ace_perm & ACL_PERM_READ) ?
561 SMB_ACL_READ : 0;
562 ace->a_perm |= (g_ace->ace_perm & ACL_PERM_WRITE) ?
563 SMB_ACL_WRITE : 0;
564 ace->a_perm |= (g_ace->ace_perm & ACL_PERM_EXECUTE) ?
565 SMB_ACL_EXECUTE : 0;
566
567 DEBUGADD(10, ("Converted to %d perm %x\n",
568 ace->a_type, ace->a_perm));
569 }
570
571 return result;
572 }
573
574 static SMB_ACL_T gpfsacl_get_posix_acl(const char *path, gpfs_aclType_t type)
575 {
576 struct gpfs_acl *pacl;
577 SMB_ACL_T result = NULL;
578
579 pacl = gpfs_getacl_alloc(path, type);
580
581 if (pacl == NULL) {
582 DEBUG(10, ("gpfs_getacl failed for %s with %s\n",
583 path, strerror(errno)));
584 if (errno == 0) {
585 errno = EINVAL;
586 }
587 goto done;
588 }
589
590 if (pacl->acl_version != GPFS_ACL_VERSION_POSIX) {
591 DEBUG(10, ("Got acl version %d, expected %d\n",
592 pacl->acl_version, GPFS_ACL_VERSION_POSIX));
593 errno = EINVAL;
594 goto done;
595 }
596
597 DEBUG(10, ("len: %d, level: %d, version: %d, nace: %d\n",
598 pacl->acl_len, pacl->acl_level, pacl->acl_version,
599 pacl->acl_nace));
600
601 result = gpfs2smb_acl(pacl);
602 if (result == NULL) {
603 goto done;
604 }
605
606 done:
607
608 if (errno != 0) {
609 SAFE_FREE(result);
610 }
611 return result;
612 }
613
614 static SMB_ACL_T gpfsacl_sys_acl_get_file(vfs_handle_struct *handle,
615 const char *path_p,
616 SMB_ACL_TYPE_T type)
617 {
618 gpfs_aclType_t gpfs_type;
619
620 switch(type) {
621 case SMB_ACL_TYPE_ACCESS:
622 gpfs_type = GPFS_ACL_TYPE_ACCESS;
623 break;
624 case SMB_ACL_TYPE_DEFAULT:
625 gpfs_type = GPFS_ACL_TYPE_DEFAULT;
626 break;
627 default:
628 DEBUG(0, ("Got invalid type: %d\n", type));
629 smb_panic("exiting");
630 }
631
632 return gpfsacl_get_posix_acl(path_p, gpfs_type);
633 }
634
635 static SMB_ACL_T gpfsacl_sys_acl_get_fd(vfs_handle_struct *handle,
636 files_struct *fsp)
637 {
638 return gpfsacl_get_posix_acl(fsp->fsp_name->base_name,
639 GPFS_ACL_TYPE_ACCESS);
640 }
641
642 static struct gpfs_acl *smb2gpfs_acl(const SMB_ACL_T pacl,
643 SMB_ACL_TYPE_T type)
644 {
645 gpfs_aclLen_t len;
646 struct gpfs_acl *result;
647 int i;
648 union gpfs_ace_union
649 {
650 gpfs_ace_v1_t ace_v1[1]; /* when GPFS_ACL_VERSION_POSIX */
651 gpfs_ace_v4_t ace_v4[1]; /* when GPFS_ACL_VERSION_NFS4 */
652 };
653
654 DEBUG(10, ("smb2gpfs_acl: Got ACL with %d entries\n", pacl->count));
655
656 len = sizeof(struct gpfs_acl) - sizeof(union gpfs_ace_union) +
657 (pacl->count)*sizeof(gpfs_ace_v1_t);
658
659 result = (struct gpfs_acl *)SMB_MALLOC(len);
660 if (result == NULL) {
661 errno = ENOMEM;
662 return result;
663 }
664
665 result->acl_len = len;
666 result->acl_level = 0;
667 result->acl_version = GPFS_ACL_VERSION_POSIX;
668 result->acl_type = (type == SMB_ACL_TYPE_DEFAULT) ?
669 GPFS_ACL_TYPE_DEFAULT : GPFS_ACL_TYPE_ACCESS;
670 result->acl_nace = pacl->count;
671
672 for (i=0; i<pacl->count; i++) {
673 const struct smb_acl_entry *ace = &pacl->acl[i];
674 struct gpfs_ace_v1 *g_ace = &result->ace_v1[i];
675
676 DEBUG(10, ("Converting type %d perm %x\n",
677 (int)ace->a_type, (int)ace->a_perm));
678
679 g_ace->ace_perm = 0;
680
681 switch(ace->a_type) {
682 case SMB_ACL_USER:
683 g_ace->ace_type = GPFS_ACL_USER;
684 g_ace->ace_who = (gpfs_uid_t)ace->uid;
685 break;
686 case SMB_ACL_USER_OBJ:
687 g_ace->ace_type = GPFS_ACL_USER_OBJ;
688 g_ace->ace_perm |= ACL_PERM_CONTROL;
689 g_ace->ace_who = 0;
690 break;
691 case SMB_ACL_GROUP:
692 g_ace->ace_type = GPFS_ACL_GROUP;
693 g_ace->ace_who = (gpfs_uid_t)ace->gid;
694 break;
695 case SMB_ACL_GROUP_OBJ:
696 g_ace->ace_type = GPFS_ACL_GROUP_OBJ;
697 g_ace->ace_who = 0;
698 break;
699 case SMB_ACL_MASK:
700 g_ace->ace_type = GPFS_ACL_MASK;
701 g_ace->ace_perm = 0x8f;
702 g_ace->ace_who = 0;
703 break;
704 case SMB_ACL_OTHER:
705 g_ace->ace_type = GPFS_ACL_OTHER;
706 g_ace->ace_who = 0;
707 break;
708 default:
709 DEBUG(10, ("Got invalid ace_type: %d\n", ace->a_type));
710 errno = EINVAL;
711 SAFE_FREE(result);
712 return NULL;
713 }
714
715 g_ace->ace_perm |= (ace->a_perm & SMB_ACL_READ) ?
716 ACL_PERM_READ : 0;
717 g_ace->ace_perm |= (ace->a_perm & SMB_ACL_WRITE) ?
718 ACL_PERM_WRITE : 0;
719 g_ace->ace_perm |= (ace->a_perm & SMB_ACL_EXECUTE) ?
720 ACL_PERM_EXECUTE : 0;
721
722 DEBUGADD(10, ("Converted to %d id %d perm %x\n",
723 g_ace->ace_type, g_ace->ace_who, g_ace->ace_perm));
724 }
725
726 return result;
727 }
728
729 static int gpfsacl_sys_acl_set_file(vfs_handle_struct *handle,
730 const char *name,
731 SMB_ACL_TYPE_T type,
732 SMB_ACL_T theacl)
733 {
734 struct gpfs_acl *gpfs_acl;
735 int result;
736
737 gpfs_acl = smb2gpfs_acl(theacl, type);
738 if (gpfs_acl == NULL) {
739 return -1;
740 }
741
742 result = smbd_gpfs_putacl((char *)name, GPFS_PUTACL_STRUCT | GPFS_ACL_SAMBA, gpfs_acl);
743
744 SAFE_FREE(gpfs_acl);
745 return result;
746 }
747
748 static int gpfsacl_sys_acl_set_fd(vfs_handle_struct *handle,
749 files_struct *fsp,
750 SMB_ACL_T theacl)
751 {
752 return gpfsacl_sys_acl_set_file(handle, fsp->fsp_name->base_name,
753 SMB_ACL_TYPE_ACCESS, theacl);
754 }
755
756 static int gpfsacl_sys_acl_delete_def_file(vfs_handle_struct *handle,
757 const char *path)
758 {
759 errno = ENOTSUP;
760 return -1;
761 }
762
763 /*
764 * Assumed: mode bits are shiftable and standard
765 * Output: the new aceMask field for an smb nfs4 ace
766 */
767 static uint32 gpfsacl_mask_filter(uint32 aceType, uint32 aceMask, uint32 rwx)
768 {
769 const uint32 posix_nfs4map[3] = {
770 SMB_ACE4_EXECUTE, /* execute */
771 SMB_ACE4_WRITE_DATA | SMB_ACE4_APPEND_DATA, /* write; GPFS specific */
772 SMB_ACE4_READ_DATA /* read */
773 };
774 int i;
775 uint32_t posix_mask = 0x01;
776 uint32_t posix_bit;
777 uint32_t nfs4_bits;
778
779 for(i=0; i<3; i++) {
780 nfs4_bits = posix_nfs4map[i];
781 posix_bit = rwx & posix_mask;
782
783 if (aceType==SMB_ACE4_ACCESS_ALLOWED_ACE_TYPE) {
784 if (posix_bit)
785 aceMask |= nfs4_bits;
786 else
787 aceMask &= ~nfs4_bits;
788 } else {
789 /* add deny bits when suitable */
790 if (!posix_bit)
791 aceMask |= nfs4_bits;
792 else
793 aceMask &= ~nfs4_bits;
794 } /* other ace types are unexpected */
795
796 posix_mask <<= 1;
797 }
798
799 return aceMask;
800 }
801
802 static int gpfsacl_emu_chmod(const char *path, mode_t mode)
803 {
804 SMB4ACL_T *pacl = NULL;
805 int result;
806 bool haveAllowEntry[SMB_ACE4_WHO_EVERYONE + 1] = {False, False, False, False};
807 int i;
808 files_struct fake_fsp; /* TODO: rationalize parametrization */
809 SMB4ACE_T *smbace;
810 NTSTATUS status;
811
812 DEBUG(10, ("gpfsacl_emu_chmod invoked for %s mode %o\n", path, mode));
813
814 result = gpfs_get_nfs4_acl(path, &pacl);
815 if (result)
816 return result;
817
818 if (mode & ~(S_IRWXU | S_IRWXG | S_IRWXO)) {
819 DEBUG(2, ("WARNING: cutting extra mode bits %o on %s\n", mode, path));
820 }
821
822 for (smbace=smb_first_ace4(pacl); smbace!=NULL; smbace = smb_next_ace4(smbace)) {
823 SMB_ACE4PROP_T *ace = smb_get_ace4(smbace);
824 uint32_t specid = ace->who.special_id;
825
826 if (ace->flags&SMB_ACE4_ID_SPECIAL &&
827 ace->aceType<=SMB_ACE4_ACCESS_DENIED_ACE_TYPE &&
828 specid <= SMB_ACE4_WHO_EVERYONE) {
829
830 uint32_t newMask;
831
832 if (ace->aceType==SMB_ACE4_ACCESS_ALLOWED_ACE_TYPE)
833 haveAllowEntry[specid] = True;
834
835 /* mode >> 6 for @owner, mode >> 3 for @group,
836 * mode >> 0 for @everyone */
837 newMask = gpfsacl_mask_filter(ace->aceType, ace->aceMask,
838 mode >> ((SMB_ACE4_WHO_EVERYONE - specid) * 3));
839 if (ace->aceMask!=newMask) {
840 DEBUG(10, ("ace changed for %s (%o -> %o) id=%d\n",
841 path, ace->aceMask, newMask, specid));
842 }
843 ace->aceMask = newMask;
844 }
845 }
846
847 /* make sure we have at least ALLOW entries
848 * for all the 3 special ids (@EVERYONE, @OWNER, @GROUP)
849 * - if necessary
850 */
851 for(i = SMB_ACE4_WHO_OWNER; i<=SMB_ACE4_WHO_EVERYONE; i++) {
852 SMB_ACE4PROP_T ace;
853
854 if (haveAllowEntry[i]==True)
855 continue;
856
857 ZERO_STRUCT(ace);
858 ace.aceType = SMB_ACE4_ACCESS_ALLOWED_ACE_TYPE;
859 ace.flags |= SMB_ACE4_ID_SPECIAL;
860 ace.who.special_id = i;
861
862 if (i==SMB_ACE4_WHO_GROUP) /* not sure it's necessary... */
863 ace.aceFlags |= SMB_ACE4_IDENTIFIER_GROUP;
864
865 ace.aceMask = gpfsacl_mask_filter(ace.aceType, ace.aceMask,
866 mode >> ((SMB_ACE4_WHO_EVERYONE - i) * 3));
867
868 /* don't add unnecessary aces */
869 if (!ace.aceMask)
870 continue;
871
872 /* we add it to the END - as windows expects allow aces */
873 smb_add_ace4(pacl, &ace);
874 DEBUG(10, ("Added ALLOW ace for %s, mode=%o, id=%d, aceMask=%x\n",
875 path, mode, i, ace.aceMask));
876 }
877
878 /* don't add complementary DENY ACEs here */
879 ZERO_STRUCT(fake_fsp);
880 status = create_synthetic_smb_fname(talloc_tos(), path, NULL, NULL,
881 &fake_fsp.fsp_name);
882 if (!NT_STATUS_IS_OK(status)) {
883 errno = map_errno_from_nt_status(status);
884 return -1;
885 }
886 /* put the acl */
887 if (gpfsacl_process_smbacl(&fake_fsp, pacl) == False) {
888 TALLOC_FREE(fake_fsp.fsp_name);
889 return -1;
890 }
891
892 TALLOC_FREE(fake_fsp.fsp_name);
893 return 0; /* ok for [f]chmod */
894 }
895
896 static int vfs_gpfs_chmod(vfs_handle_struct *handle, const char *path, mode_t mode)
897 {
898 struct smb_filename *smb_fname_cpath;
899 int rc;
900 NTSTATUS status;
901
902 status = create_synthetic_smb_fname(
903 talloc_tos(), path, NULL, NULL, &smb_fname_cpath);
904
905 if (SMB_VFS_NEXT_STAT(handle, smb_fname_cpath) != 0) {
906 return -1;
907 }
908
909 /* avoid chmod() if possible, to preserve acls */
910 if ((smb_fname_cpath->st.st_ex_mode & ~S_IFMT) == mode) {
911 return 0;
912 }
913
914 rc = gpfsacl_emu_chmod(path, mode);
915 if (rc == 1)
916 return SMB_VFS_NEXT_CHMOD(handle, path, mode);
917 return rc;
918 }
919
920 static int vfs_gpfs_fchmod(vfs_handle_struct *handle, files_struct *fsp, mode_t mode)
921 {
922 SMB_STRUCT_STAT st;
923 int rc;
924
925 if (SMB_VFS_NEXT_FSTAT(handle, fsp, &st) != 0) {
926 return -1;
927 }
928
929 /* avoid chmod() if possible, to preserve acls */
930 if ((st.st_ex_mode & ~S_IFMT) == mode) {
931 return 0;
932 }
933
934 rc = gpfsacl_emu_chmod(fsp->fsp_name->base_name, mode);
935 if (rc == 1)
936 return SMB_VFS_NEXT_FCHMOD(handle, fsp, mode);
937 return rc;
938 }
939
940 static int gpfs_set_xattr(struct vfs_handle_struct *handle, const char *path,
941 const char *name, const void *value, size_t size, int flags){
942 struct xattr_DOSATTRIB dosattrib;
943 enum ndr_err_code ndr_err;
944 DATA_BLOB blob;
945 const char *attrstr = value;
946 unsigned int dosmode=0;
947 struct gpfs_winattr attrs;
948 int ret = 0;
949
950 DEBUG(10, ("gpfs_set_xattr: %s \n",path));
951
952 /* Only handle DOS Attributes */
953 if (strcmp(name,SAMBA_XATTR_DOS_ATTRIB) != 0){
954 DEBUG(1, ("gpfs_set_xattr:name is %s\n",name));
955 return SMB_VFS_NEXT_SETXATTR(handle,path,name,value,size,flags);
956 }
957
958 blob.data = (uint8_t *)attrstr;
959 blob.length = size;
960
961 ndr_err = ndr_pull_struct_blob(&blob, talloc_tos(), &dosattrib,
962 (ndr_pull_flags_fn_t)ndr_pull_xattr_DOSATTRIB);
963
964 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
965 DEBUG(1, ("gpfs_set_xattr: bad ndr decode "
966 "from EA on file %s: Error = %s\n",
967 path, ndr_errstr(ndr_err)));
968 return false;
969 }
970
971 if (dosattrib.version != 3) {
972 DEBUG(1, ("gpfs_set_xattr: expected dosattrib version 3, got "
973 "%d\n", (int)dosattrib.version));
974 return false;
975 }
976 if (!(dosattrib.info.info3.valid_flags & XATTR_DOSINFO_ATTRIB)) {
977 DEBUG(10, ("gpfs_set_xattr: XATTR_DOSINFO_ATTRIB not "
978 "valid, ignoring\n"));
979 return true;
980 }
981
982 dosmode = dosattrib.info.info3.attrib;
983
984 attrs.winAttrs = 0;
985 /*Just map RD_ONLY, ARCHIVE, SYSTEM HIDDEN and SPARSE. Ignore the others*/
986 if (dosmode & FILE_ATTRIBUTE_ARCHIVE){
987 attrs.winAttrs |= GPFS_WINATTR_ARCHIVE;
988 }
989 if (dosmode & FILE_ATTRIBUTE_HIDDEN){
990 attrs.winAttrs |= GPFS_WINATTR_HIDDEN;
991 }
992 if (dosmode & FILE_ATTRIBUTE_SYSTEM){
993 attrs.winAttrs |= GPFS_WINATTR_SYSTEM;
994 }
995 if (dosmode & FILE_ATTRIBUTE_READONLY){
996 attrs.winAttrs |= GPFS_WINATTR_READONLY;
997 }
998 if (dosmode & FILE_ATTRIBUTE_SPARSE) {
999 attrs.winAttrs |= GPFS_WINATTR_SPARSE_FILE;
1000 }
1001
1002
1003 ret = set_gpfs_winattrs(discard_const_p(char, path),
1004 GPFS_WINATTR_SET_ATTRS, &attrs);
1005 if ( ret == -1){
1006 if (errno == ENOSYS) {
1007 return SMB_VFS_NEXT_SETXATTR(handle, path, name, value,
1008 size, flags);
1009 }
1010
1011 DEBUG(1, ("gpfs_set_xattr:Set GPFS attributes failed %d\n",ret));
1012 return -1;
1013 }
1014
1015 DEBUG(10, ("gpfs_set_xattr:Set attributes: 0x%x\n",attrs.winAttrs));
1016 return 0;
1017 }
1018
1019 static ssize_t gpfs_get_xattr(struct vfs_handle_struct *handle, const char *path,
1020 const char *name, void *value, size_t size){
1021 char *attrstr = value;
1022 unsigned int dosmode = 0;
1023 struct gpfs_winattr attrs;
1024 int ret = 0;
1025
1026 DEBUG(10, ("gpfs_get_xattr: %s \n",path));
1027
1028 /* Only handle DOS Attributes */
1029 if (strcmp(name,SAMBA_XATTR_DOS_ATTRIB) != 0){
1030 DEBUG(1, ("gpfs_get_xattr:name is %s\n",name));
1031 return SMB_VFS_NEXT_GETXATTR(handle,path,name,value,size);
1032 }
1033
1034 ret = get_gpfs_winattrs(discard_const_p(char, path), &attrs);
1035 if ( ret == -1){
1036 if (errno == ENOSYS) {
1037 return SMB_VFS_NEXT_GETXATTR(handle, path, name, value,
1038 size);
1039 }
1040
1041 DEBUG(1, ("gpfs_get_xattr: Get GPFS attributes failed: "
1042 "%d (%s)\n", ret, strerror(errno)));
1043 return -1;
1044 }
1045
1046 DEBUG(10, ("gpfs_get_xattr:Got attributes: 0x%x\n",attrs.winAttrs));
1047
1048 /*Just map RD_ONLY, ARCHIVE, SYSTEM, HIDDEN and SPARSE. Ignore the others*/
1049 if (attrs.winAttrs & GPFS_WINATTR_ARCHIVE){
1050 dosmode |= FILE_ATTRIBUTE_ARCHIVE;
1051 }
1052 if (attrs.winAttrs & GPFS_WINATTR_HIDDEN){
1053 dosmode |= FILE_ATTRIBUTE_HIDDEN;
1054 }
1055 if (attrs.winAttrs & GPFS_WINATTR_SYSTEM){
1056 dosmode |= FILE_ATTRIBUTE_SYSTEM;
1057 }
1058 if (attrs.winAttrs & GPFS_WINATTR_READONLY){
1059 dosmode |= FILE_ATTRIBUTE_READONLY;
1060 }
1061 if (attrs.winAttrs & GPFS_WINATTR_SPARSE_FILE) {
1062 dosmode |= FILE_ATTRIBUTE_SPARSE;
1063 }
1064
1065 snprintf(attrstr, size, "0x%2.2x",
1066 (unsigned int)(dosmode & SAMBA_ATTRIBUTES_MASK));
1067 DEBUG(10, ("gpfs_get_xattr: returning %s\n",attrstr));
1068 return 4;
1069 }
1070
1071 static int vfs_gpfs_stat(struct vfs_handle_struct *handle,
1072 struct smb_filename *smb_fname)
1073 {
1074 struct gpfs_winattr attrs;
1075 char *fname = NULL;
1076 NTSTATUS status;
1077 int ret;
1078
1079 ret = SMB_VFS_NEXT_STAT(handle, smb_fname);
1080 if (ret == -1) {
1081 return -1;
1082 }
1083 status = get_full_smb_filename(talloc_tos(), smb_fname, &fname);
1084 if (!NT_STATUS_IS_OK(status)) {
1085 errno = map_errno_from_nt_status(status);
1086 return -1;
1087 }
1088 ret = get_gpfs_winattrs(discard_const_p(char, fname), &attrs);
1089 TALLOC_FREE(fname);
1090 if (ret == 0) {
1091 smb_fname->st.st_ex_btime.tv_sec = attrs.creationTime.tv_sec;
1092 smb_fname->st.st_ex_btime.tv_nsec = attrs.creationTime.tv_nsec;
1093 smb_fname->st.vfs_private = attrs.winAttrs;
1094 }
1095 return 0;
1096 }
1097
1098 static int vfs_gpfs_fstat(struct vfs_handle_struct *handle,
1099 struct files_struct *fsp, SMB_STRUCT_STAT *sbuf)
1100 {
1101 struct gpfs_winattr attrs;
1102 int ret;
1103
1104 ret = SMB_VFS_NEXT_FSTAT(handle, fsp, sbuf);
1105 if (ret == -1) {
1106 return -1;
1107 }
1108 if ((fsp->fh == NULL) || (fsp->fh->fd == -1)) {
1109 return 0;
1110 }
1111 ret = smbd_fget_gpfs_winattrs(fsp->fh->fd, &attrs);
1112 if (ret == 0) {
1113 sbuf->st_ex_btime.tv_sec = attrs.creationTime.tv_sec;
1114 sbuf->st_ex_btime.tv_nsec = attrs.creationTime.tv_nsec;
1115 }
1116 return 0;
1117 }
1118
1119 static int vfs_gpfs_lstat(struct vfs_handle_struct *handle,
1120 struct smb_filename *smb_fname)
1121 {
1122 struct gpfs_winattr attrs;
1123 char *path = NULL;
1124 NTSTATUS status;
1125 int ret;
1126
1127 ret = SMB_VFS_NEXT_LSTAT(handle, smb_fname);
1128 if (ret == -1) {
1129 return -1;
1130 }
1131 status = get_full_smb_filename(talloc_tos(), smb_fname, &path);
1132 if (!NT_STATUS_IS_OK(status)) {
1133 errno = map_errno_from_nt_status(status);
1134 return -1;
1135 }
1136 ret = get_gpfs_winattrs(discard_const_p(char, path), &attrs);
1137 TALLOC_FREE(path);
1138 if (ret == 0) {
1139 smb_fname->st.st_ex_btime.tv_sec = attrs.creationTime.tv_sec;
1140 smb_fname->st.st_ex_btime.tv_nsec = attrs.creationTime.tv_nsec;
1141 smb_fname->st.vfs_private = attrs.winAttrs;
1142 }
1143 return 0;
1144 }
1145
1146 static int vfs_gpfs_ntimes(struct vfs_handle_struct *handle,
1147 const struct smb_filename *smb_fname,
1148 struct smb_file_time *ft)
1149 {
1150
1151 struct gpfs_winattr attrs;
1152 int ret;
1153 char *path = NULL;
1154 NTSTATUS status;
1155
1156 ret = SMB_VFS_NEXT_NTIMES(handle, smb_fname, ft);
1157 if(ret == -1){
1158 DEBUG(1,("vfs_gpfs_ntimes: SMB_VFS_NEXT_NTIMES failed\n"));
1159 return -1;
1160 }
1161
1162 if(null_timespec(ft->create_time)){
1163 DEBUG(10,("vfs_gpfs_ntimes:Create Time is NULL\n"));
1164 return 0;
1165 }
1166
1167 status = get_full_smb_filename(talloc_tos(), smb_fname, &path);
1168 if (!NT_STATUS_IS_OK(status)) {
1169 errno = map_errno_from_nt_status(status);
1170 return -1;
1171 }
1172
1173 attrs.winAttrs = 0;
1174 attrs.creationTime.tv_sec = ft->create_time.tv_sec;
1175 attrs.creationTime.tv_nsec = ft->create_time.tv_nsec;
1176
1177 ret = set_gpfs_winattrs(discard_const_p(char, path),
1178 GPFS_WINATTR_SET_CREATION_TIME, &attrs);
1179 if(ret == -1 && errno != ENOSYS){
1180 DEBUG(1,("vfs_gpfs_ntimes: set GPFS ntimes failed %d\n",ret));
1181 return -1;
1182 }
1183 return 0;
1184
1185 }
1186
1187 static int vfs_gpfs_ftruncate(vfs_handle_struct *handle, files_struct *fsp,
1188 SMB_OFF_T len)
1189 {
1190 int result;
1191
1192 result = smbd_gpfs_ftruncate(fsp->fh->fd, len);
1193 if ((result == -1) && (errno == ENOSYS)) {
1194 return SMB_VFS_NEXT_FTRUNCATE(handle, fsp, len);
1195 }
1196 return result;
1197 }
1198
1199 static bool vfs_gpfs_is_offline(struct vfs_handle_struct *handle,
1200 const struct smb_filename *fname,
1201 SMB_STRUCT_STAT *sbuf)
1202 {
1203 struct gpfs_winattr attrs;
1204 char *path = NULL;
1205 NTSTATUS status;
1206
1207 status = get_full_smb_filename(talloc_tos(), fname, &path);
1208 if (!NT_STATUS_IS_OK(status)) {
1209 errno = map_errno_from_nt_status(status);
1210 return -1;
1211 }
1212
1213 if (VALID_STAT(*sbuf)) {
1214 attrs.winAttrs = sbuf->vfs_private;
1215 } else {
1216 int ret;
1217 ret = get_gpfs_winattrs(path, &attrs);
1218
1219 if (ret == -1) {
1220 TALLOC_FREE(path);
1221 return false;
1222 }
1223 }
1224 if ((attrs.winAttrs & GPFS_WINATTR_OFFLINE) != 0) {
1225 DEBUG(10, ("%s is offline\n", path));
1226 TALLOC_FREE(path);
1227 return true;
1228 }
1229 DEBUG(10, ("%s is online\n", path));
1230 TALLOC_FREE(path);
1231 return SMB_VFS_NEXT_IS_OFFLINE(handle, fname, sbuf);
1232 }
1233
1234 static bool vfs_gpfs_aio_force(struct vfs_handle_struct *handle,
1235 struct files_struct *fsp)
1236 {
1237 return vfs_gpfs_is_offline(handle, fsp->fsp_name, &fsp->fsp_name->st);
1238 }
1239
1240 static ssize_t vfs_gpfs_sendfile(vfs_handle_struct *handle, int tofd,
1241 files_struct *fsp, const DATA_BLOB *hdr,
1242 SMB_OFF_T offset, size_t n)
1243 {
1244 if ((fsp->fsp_name->st.vfs_private & GPFS_WINATTR_OFFLINE) != 0) {
1245 errno = ENOSYS;
1246 return -1;
1247 }
1248 return SMB_VFS_NEXT_SENDFILE(handle, tofd, fsp, hdr, offset, n);
1249 }
1250
1251 int vfs_gpfs_connect(struct vfs_handle_struct *handle, const char *service,
1252 const char *user)
1253 {
1254 struct gpfs_config_data *config;
1255
1256 smbd_gpfs_lib_init();
1257
1258 int ret = SMB_VFS_NEXT_CONNECT(handle, service, user);
1259
1260 if (ret < 0) {
1261 return ret;
1262 }
1263
1264 config = talloc_zero(handle->conn, struct gpfs_config_data);
1265 if (!config) {
1266 SMB_VFS_NEXT_DISCONNECT(handle);
1267 DEBUG(0, ("talloc_zero() failed\n"));
1268 return -1;
1269 }
1270
1271 config->sharemodes = lp_parm_bool(SNUM(handle->conn), "gpfs",
1272 "sharemodes", true);
1273
1274 config->leases = lp_parm_bool(SNUM(handle->conn), "gpfs",
1275 "leases", true);
1276
1277 config->hsm = lp_parm_bool(SNUM(handle->conn), "gpfs",
1278 "hsm", false);
1279
1280 config->syncio = lp_parm_bool(SNUM(handle->conn), "gpfs",
1281 "syncio", false);
1282
1283 SMB_VFS_HANDLE_SET_DATA(handle, config,
1284 NULL, struct gpfs_config_data,
1285 return -1);
1286
1287 return 0;
1288 }
1289
1290 static uint32_t vfs_gpfs_capabilities(struct vfs_handle_struct *handle,
1291 enum timestamp_set_resolution *p_ts_res)
1292 {
1293 struct gpfs_config_data *config;
1294 uint32_t next;
1295
1296 next = SMB_VFS_NEXT_FS_CAPABILITIES(handle, p_ts_res);
1297
1298 SMB_VFS_HANDLE_GET_DATA(handle, config,
1299 struct gpfs_config_data,
1300 return next);
1301
1302 if (config->hsm) {
1303 next |= FILE_SUPPORTS_REMOTE_STORAGE;
1304 }
1305 return next;
1306 }
1307
1308 static int vfs_gpfs_open(struct vfs_handle_struct *handle,
1309 struct smb_filename *smb_fname, files_struct *fsp,
1310 int flags, mode_t mode)
1311 {
1312 struct gpfs_config_data *config;
1313
1314 SMB_VFS_HANDLE_GET_DATA(handle, config,
1315 struct gpfs_config_data,
1316 return -1);
1317
1318 if (config->syncio) {
1319 flags |= O_SYNC;
1320 }
1321 return SMB_VFS_NEXT_OPEN(handle, smb_fname, fsp, flags, mode);
1322 }
1323
1324
1325 static struct vfs_fn_pointers vfs_gpfs_fns = {
1326 .connect_fn = vfs_gpfs_connect,
1327 .fs_capabilities_fn = vfs_gpfs_capabilities,
1328 .kernel_flock_fn = vfs_gpfs_kernel_flock,
1329 .linux_setlease_fn = vfs_gpfs_setlease,
1330 .get_real_filename_fn = vfs_gpfs_get_real_filename,
1331 .fget_nt_acl_fn = gpfsacl_fget_nt_acl,
1332 .get_nt_acl_fn = gpfsacl_get_nt_acl,
1333 .fset_nt_acl_fn = gpfsacl_fset_nt_acl,
1334 .sys_acl_get_file_fn = gpfsacl_sys_acl_get_file,
1335 .sys_acl_get_fd_fn = gpfsacl_sys_acl_get_fd,
1336 .sys_acl_set_file_fn = gpfsacl_sys_acl_set_file,
1337 .sys_acl_set_fd_fn = gpfsacl_sys_acl_set_fd,
1338 .sys_acl_delete_def_file_fn = gpfsacl_sys_acl_delete_def_file,
1339 .chmod_fn = vfs_gpfs_chmod,
1340 .fchmod_fn = vfs_gpfs_fchmod,
1341 .close_fn = vfs_gpfs_close,
1342 .setxattr_fn = gpfs_set_xattr,
1343 .getxattr_fn = gpfs_get_xattr,
1344 .stat_fn = vfs_gpfs_stat,
1345 .fstat_fn = vfs_gpfs_fstat,
1346 .lstat_fn = vfs_gpfs_lstat,
1347 .ntimes_fn = vfs_gpfs_ntimes,
1348 .is_offline_fn = vfs_gpfs_is_offline,
1349 .aio_force_fn = vfs_gpfs_aio_force,
1350 .sendfile_fn = vfs_gpfs_sendfile,
1351 .open_fn = vfs_gpfs_open,
1352 .ftruncate_fn = vfs_gpfs_ftruncate
1353 };
1354
1355 NTSTATUS vfs_gpfs_init(void);
1356 NTSTATUS vfs_gpfs_init(void)
1357 {
1358 init_gpfs();
1359
1360 return smb_register_vfs(SMB_VFS_INTERFACE_VERSION, "gpfs",
1361 &vfs_gpfs_fns);
1362 }
Working branch of Samba for id10ts