2 * Unix SMB/CIFS implementation.
3 * Samba VFS module for GPFS filesystem
4 * Copyright (C) Christian Ambach <cambach1@de.ibm.com> 2006
5 * Copyright (C) Christof Schmitt 2015
6 * Major code contributions by Chetan Shringarpure <chetan.sh@in.ibm.com>
7 * and Gomati Mohanan <gomati.mohanan@in.ibm.com>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 3 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, see <http://www.gnu.org/licenses/>.
24 #include "smbd/smbd.h"
25 #include "include/smbprofile.h"
26 #include "modules/non_posix_acls.h"
27 #include "libcli/security/security.h"
28 #include "nfs4_acls.h"
29 #include "system/filesys.h"
31 #include "lib/util/tevent_unix.h"
32 #include "lib/util/gpfswrap.h"
34 #include <gnutls/gnutls.h>
35 #include <gnutls/crypto.h>
36 #include "lib/crypto/gnutls_helpers.h"
39 #define DBGC_CLASS DBGC_VFS
41 #ifndef GPFS_GETACL_NATIVE
42 #define GPFS_GETACL_NATIVE 0x00000004
45 struct gpfs_config_data {
46 struct smbacl4_vfs_params nfs4_params;
63 struct gpfs_fsp_extension {
67 static inline unsigned int gpfs_acl_flags(gpfs_acl_t *gacl)
69 if (gacl->acl_level == GPFS_ACL_LEVEL_V4FLAGS) {
70 return gacl->v4Level1.acl_flags;
75 static inline gpfs_ace_v4_t *gpfs_ace_ptr(gpfs_acl_t *gacl, unsigned int i)
77 if (gacl->acl_level == GPFS_ACL_LEVEL_V4FLAGS) {
78 return &gacl->v4Level1.ace_v4[i];
80 return &gacl->ace_v4[i];
83 static unsigned int vfs_gpfs_access_mask_to_allow(uint32_t access_mask)
85 unsigned int allow = GPFS_SHARE_NONE;
87 if (access_mask & (FILE_WRITE_DATA|FILE_APPEND_DATA)) {
88 allow |= GPFS_SHARE_WRITE;
90 if (access_mask & (FILE_READ_DATA|FILE_EXECUTE)) {
91 allow |= GPFS_SHARE_READ;
97 static unsigned int vfs_gpfs_share_access_to_deny(uint32_t share_access)
99 unsigned int deny = GPFS_DENY_NONE;
101 if (!(share_access & FILE_SHARE_WRITE)) {
102 deny |= GPFS_DENY_WRITE;
104 if (!(share_access & FILE_SHARE_READ)) {
105 deny |= GPFS_DENY_READ;
109 * GPFS_DENY_DELETE can only be set together with either
110 * GPFS_DENY_WRITE or GPFS_DENY_READ.
112 if ((deny & (GPFS_DENY_WRITE|GPFS_DENY_READ)) &&
113 !(share_access & FILE_SHARE_DELETE)) {
114 deny |= GPFS_DENY_DELETE;
120 static int set_gpfs_sharemode(files_struct *fsp, uint32_t access_mask,
121 uint32_t share_access)
123 unsigned int allow = GPFS_SHARE_NONE;
124 unsigned int deny = GPFS_DENY_NONE;
127 if (access_mask == 0) {
128 DBG_DEBUG("Clearing file system share mode.\n");
130 allow = vfs_gpfs_access_mask_to_allow(access_mask);
131 deny = vfs_gpfs_share_access_to_deny(share_access);
133 DBG_DEBUG("access_mask=0x%x, allow=0x%x, share_access=0x%x, "
134 "deny=0x%x\n", access_mask, allow, share_access, deny);
136 result = gpfswrap_set_share(fsp_get_io_fd(fsp), allow, deny);
141 if (errno == EACCES) {
142 DBG_NOTICE("GPFS share mode denied for %s/%s.\n",
143 fsp->conn->connectpath,
144 fsp->fsp_name->base_name);
145 } else if (errno == EPERM) {
146 DBG_ERR("Samba requested GPFS sharemode for %s/%s, but the "
147 "GPFS file system is not configured accordingly. "
148 "Configure file system with mmchfs -D nfs4 or "
149 "set gpfs:sharemodes=no in Samba.\n",
150 fsp->conn->connectpath,
151 fsp->fsp_name->base_name);
153 DBG_ERR("gpfs_set_share failed: %s\n", strerror(errno));
159 static int vfs_gpfs_filesystem_sharemode(vfs_handle_struct *handle,
161 uint32_t share_access,
162 uint32_t access_mask)
165 struct gpfs_config_data *config;
168 SMB_VFS_HANDLE_GET_DATA(handle, config,
169 struct gpfs_config_data,
172 if(!config->sharemodes) {
177 * A named stream fsp will have the basefile open in the fsp
178 * fd, so lacking a distinct fd for the stream we have to skip
179 * set_gpfs_sharemode for stream.
181 if (fsp_is_alternate_stream(fsp)) {
182 DBG_NOTICE("Not requesting GPFS sharemode on stream: %s/%s\n",
183 fsp->conn->connectpath,
188 ret = set_gpfs_sharemode(fsp, access_mask, share_access);
193 static int vfs_gpfs_close(vfs_handle_struct *handle, files_struct *fsp)
196 struct gpfs_config_data *config;
198 SMB_VFS_HANDLE_GET_DATA(handle, config,
199 struct gpfs_config_data,
202 if (config->sharemodes &&
203 (fsp->fsp_flags.kernel_share_modes_taken))
206 * Always clear GPFS sharemode in case the actual
207 * close gets deferred due to outstanding POSIX locks
208 * (see fd_close_posix)
210 int ret = gpfswrap_set_share(fsp_get_io_fd(fsp), 0, 0);
212 DBG_ERR("Clearing GPFS sharemode on close failed for "
214 fsp->conn->connectpath,
215 fsp->fsp_name->base_name,
220 return SMB_VFS_NEXT_CLOSE(handle, fsp);
223 #ifdef HAVE_KERNEL_OPLOCKS_LINUX
224 static int lease_type_to_gpfs(int leasetype)
226 if (leasetype == F_RDLCK) {
227 return GPFS_LEASE_READ;
230 if (leasetype == F_WRLCK) {
231 return GPFS_LEASE_WRITE;
234 return GPFS_LEASE_NONE;
237 static int vfs_gpfs_setlease(vfs_handle_struct *handle,
241 struct gpfs_config_data *config;
244 START_PROFILE(syscall_linux_setlease);
246 SMB_VFS_HANDLE_GET_DATA(handle, config,
247 struct gpfs_config_data,
250 ret = linux_set_lease_sighandler(fsp_get_io_fd(fsp));
255 if (config->leases) {
256 int gpfs_lease_type = lease_type_to_gpfs(leasetype);
260 * Ensure the lease owner is root to allow
261 * correct delivery of lease-break signals.
264 ret = gpfswrap_set_lease(fsp_get_io_fd(fsp), gpfs_lease_type);
270 if (saved_errno != 0) {
276 END_PROFILE(syscall_linux_setlease);
281 #else /* HAVE_KERNEL_OPLOCKS_LINUX */
283 static int vfs_gpfs_setlease(vfs_handle_struct *handle,
289 #endif /* HAVE_KERNEL_OPLOCKS_LINUX */
291 static NTSTATUS vfs_gpfs_get_real_filename_at(struct vfs_handle_struct *handle,
292 struct files_struct *dirfsp,
298 char *full_path = NULL;
299 char *to_free = NULL;
300 char real_pathname[PATH_MAX+1], tmpbuf[PATH_MAX];
301 size_t full_path_len;
304 struct gpfs_config_data *config;
306 SMB_VFS_HANDLE_GET_DATA(handle, config,
307 struct gpfs_config_data,
308 return NT_STATUS_INTERNAL_ERROR);
310 if (!config->getrealfilename) {
311 return SMB_VFS_NEXT_GET_REAL_FILENAME_AT(
312 handle, dirfsp, name, mem_ctx, found_name);
315 mangled = mangle_is_mangled(name, handle->conn->params);
317 return SMB_VFS_NEXT_GET_REAL_FILENAME_AT(
318 handle, dirfsp, name, mem_ctx, found_name);
321 full_path_len = full_path_tos(dirfsp->fsp_name->base_name, name,
322 tmpbuf, sizeof(tmpbuf),
323 &full_path, &to_free);
324 if (full_path_len == -1) {
325 return NT_STATUS_NO_MEMORY;
328 buflen = sizeof(real_pathname) - 1;
330 result = gpfswrap_get_realfilename_path(full_path, real_pathname,
333 TALLOC_FREE(to_free);
335 if ((result == -1) && (errno == ENOSYS)) {
336 return SMB_VFS_NEXT_GET_REAL_FILENAME_AT(
337 handle, dirfsp, name, mem_ctx, found_name);
341 DEBUG(10, ("smbd_gpfs_get_realfilename_path returned %s\n",
343 return map_nt_error_from_unix(errno);
347 * GPFS does not necessarily null-terminate the returned path
348 * but instead returns the buffer length in buflen.
351 if (buflen < sizeof(real_pathname)) {
352 real_pathname[buflen] = '\0';
354 real_pathname[sizeof(real_pathname)-1] = '\0';
357 DBG_DEBUG("%s/%s -> %s\n",
362 name = strrchr_m(real_pathname, '/');
364 return NT_STATUS_OBJECT_NAME_NOT_FOUND;
367 *found_name = talloc_strdup(mem_ctx, name+1);
368 if (*found_name == NULL) {
369 return NT_STATUS_NO_MEMORY;
375 static void sd2gpfs_control(uint16_t control, struct gpfs_acl *gacl)
377 unsigned int gpfs_aclflags = 0;
378 control &= SEC_DESC_DACL_PROTECTED | SEC_DESC_SACL_PROTECTED |
379 SEC_DESC_DACL_AUTO_INHERITED | SEC_DESC_SACL_AUTO_INHERITED |
380 SEC_DESC_DACL_DEFAULTED | SEC_DESC_SACL_DEFAULTED |
381 SEC_DESC_DACL_PRESENT | SEC_DESC_SACL_PRESENT;
382 gpfs_aclflags = control << 8;
383 if (!(control & SEC_DESC_DACL_PRESENT))
384 gpfs_aclflags |= ACL4_FLAG_NULL_DACL;
385 if (!(control & SEC_DESC_SACL_PRESENT))
386 gpfs_aclflags |= ACL4_FLAG_NULL_SACL;
387 gacl->acl_level = GPFS_ACL_LEVEL_V4FLAGS;
388 gacl->v4Level1.acl_flags = gpfs_aclflags;
391 static uint16_t gpfs2sd_control(unsigned int gpfs_aclflags)
393 uint16_t control = gpfs_aclflags >> 8;
394 control &= SEC_DESC_DACL_PROTECTED | SEC_DESC_SACL_PROTECTED |
395 SEC_DESC_DACL_AUTO_INHERITED | SEC_DESC_SACL_AUTO_INHERITED |
396 SEC_DESC_DACL_DEFAULTED | SEC_DESC_SACL_DEFAULTED |
397 SEC_DESC_DACL_PRESENT | SEC_DESC_SACL_PRESENT;
398 control |= SEC_DESC_SELF_RELATIVE;
402 static void gpfs_dumpacl(int level, struct gpfs_acl *gacl)
407 DEBUG(0, ("gpfs acl is NULL\n"));
411 DEBUG(level, ("len: %d, level: %d, version: %d, nace: %d, "
413 gacl->acl_len, gacl->acl_level, gacl->acl_version,
414 gacl->acl_nace, gpfs_acl_flags(gacl)));
416 for(i=0; i<gacl->acl_nace; i++)
418 struct gpfs_ace_v4 *gace = gpfs_ace_ptr(gacl, i);
419 DEBUG(level, ("\tace[%d]: type:%d, flags:0x%x, mask:0x%x, "
420 "iflags:0x%x, who:%u\n",
421 i, gace->aceType, gace->aceFlags, gace->aceMask,
422 gace->aceIFlags, gace->aceWho));
426 static int gpfs_getacl_with_capability(const char *fname, int flags, void *buf)
428 int ret, saved_errno;
430 set_effective_capability(DAC_OVERRIDE_CAPABILITY);
432 ret = gpfswrap_getacl(fname, flags, buf);
435 drop_effective_capability(DAC_OVERRIDE_CAPABILITY);
442 * get the ACL from GPFS, allocated on the specified mem_ctx
443 * internally retries when initial buffer was too small
445 * caller needs to cast result to either
446 * raw = yes: struct gpfs_opaque_acl
447 * raw = no: struct gpfs_acl
450 static void *vfs_gpfs_getacl(TALLOC_CTX *mem_ctx,
453 const gpfs_aclType_t type)
461 bool use_capability = false;
465 aclbuf = talloc_zero_size(mem_ctx, size);
466 if (aclbuf == NULL) {
472 struct gpfs_opaque_acl *buf = (struct gpfs_opaque_acl *) aclbuf;
473 buf->acl_type = type;
474 flags = GPFS_GETACL_NATIVE;
475 len = (unsigned int *) &(buf->acl_buffer_len);
476 struct_size = sizeof(struct gpfs_opaque_acl);
478 struct gpfs_acl *buf = (struct gpfs_acl *) aclbuf;
479 buf->acl_type = type;
480 buf->acl_level = GPFS_ACL_LEVEL_V4FLAGS;
481 flags = GPFS_GETACL_STRUCT;
482 len = &(buf->acl_len);
483 /* reserve space for control flags in gpfs 3.5 and beyond */
484 struct_size = sizeof(struct gpfs_acl) + sizeof(unsigned int);
487 /* set the length of the buffer as input value */
490 if (use_capability) {
491 ret = gpfs_getacl_with_capability(fname, flags, aclbuf);
493 ret = gpfswrap_getacl(fname, flags, aclbuf);
494 if ((ret != 0) && (errno == EACCES)) {
495 DBG_DEBUG("Retry with DAC capability for %s\n", fname);
496 use_capability = true;
497 ret = gpfs_getacl_with_capability(fname, flags, aclbuf);
501 if ((ret != 0) && (errno == ENOSPC)) {
503 * get the size needed to accommodate the complete buffer
505 * the value returned only applies to the ACL blob in the
506 * struct so make sure to also have headroom for the first
507 * struct members by adding room for the complete struct
508 * (might be a few bytes too much then)
510 size = *len + struct_size;
512 DEBUG(10, ("Increasing ACL buffer size to %zu\n", size));
517 DEBUG(5, ("smbd_gpfs_getacl failed with %s\n",
526 /* Tries to get nfs4 acls and returns SMB ACL allocated.
527 * On failure returns 1 if it got non-NFSv4 ACL to prompt
528 * retry with POSIX ACL checks.
529 * On failure returns -1 if there is system (GPFS) error, check errno.
530 * Returns 0 on success
532 static int gpfs_get_nfs4_acl(TALLOC_CTX *mem_ctx, const char *fname,
533 struct SMB4ACL_T **ppacl)
536 struct gpfs_acl *gacl = NULL;
537 DEBUG(10, ("gpfs_get_nfs4_acl invoked for %s\n", fname));
540 gacl = (struct gpfs_acl*) vfs_gpfs_getacl(talloc_tos(), fname,
543 DEBUG(9, ("gpfs_getacl failed for %s with %s\n",
544 fname, strerror(errno)));
545 if (errno == ENODATA) {
547 * GPFS returns ENODATA for snapshot
548 * directories. Retry with POSIX ACLs check.
556 if (gacl->acl_type != GPFS_ACL_TYPE_NFS4) {
557 DEBUG(10, ("Got non-nfsv4 acl\n"));
558 /* Retry with POSIX ACLs check */
563 *ppacl = smb_create_smb4acl(mem_ctx);
565 if (gacl->acl_level == GPFS_ACL_LEVEL_V4FLAGS) {
566 uint16_t control = gpfs2sd_control(gpfs_acl_flags(gacl));
567 smbacl4_set_controlflags(*ppacl, control);
570 DEBUG(10, ("len: %d, level: %d, version: %d, nace: %d, control: %x\n",
571 gacl->acl_len, gacl->acl_level, gacl->acl_version,
572 gacl->acl_nace, gpfs_acl_flags(gacl)));
574 for (i=0; i<gacl->acl_nace; i++) {
575 struct gpfs_ace_v4 *gace = gpfs_ace_ptr(gacl, i);
576 SMB_ACE4PROP_T smbace = { 0 };
577 DEBUG(10, ("type: %d, iflags: %x, flags: %x, mask: %x, "
578 "who: %d\n", gace->aceType, gace->aceIFlags,
579 gace->aceFlags, gace->aceMask, gace->aceWho));
581 if (gace->aceIFlags & ACE4_IFLAG_SPECIAL_ID) {
582 smbace.flags |= SMB_ACE4_ID_SPECIAL;
583 switch (gace->aceWho) {
584 case ACE4_SPECIAL_OWNER:
585 smbace.who.special_id = SMB_ACE4_WHO_OWNER;
587 case ACE4_SPECIAL_GROUP:
588 smbace.who.special_id = SMB_ACE4_WHO_GROUP;
590 case ACE4_SPECIAL_EVERYONE:
591 smbace.who.special_id = SMB_ACE4_WHO_EVERYONE;
594 DEBUG(8, ("invalid special gpfs id %d "
595 "ignored\n", gace->aceWho));
596 continue; /* don't add it */
599 if (gace->aceFlags & ACE4_FLAG_GROUP_ID)
600 smbace.who.gid = gace->aceWho;
602 smbace.who.uid = gace->aceWho;
605 /* remove redundant deny entries */
606 if (i > 0 && gace->aceType == SMB_ACE4_ACCESS_DENIED_ACE_TYPE) {
607 struct gpfs_ace_v4 *prev = gpfs_ace_ptr(gacl, i - 1);
608 if (prev->aceType == SMB_ACE4_ACCESS_ALLOWED_ACE_TYPE &&
609 prev->aceFlags == gace->aceFlags &&
610 prev->aceIFlags == gace->aceIFlags &&
611 (gace->aceMask & prev->aceMask) == 0 &&
612 gace->aceWho == prev->aceWho) {
613 /* it's redundant - skip it */
618 smbace.aceType = gace->aceType;
619 smbace.aceFlags = gace->aceFlags;
620 smbace.aceMask = gace->aceMask;
621 smb_add_ace4(*ppacl, &smbace);
629 static NTSTATUS gpfsacl_fget_nt_acl(vfs_handle_struct *handle,
630 files_struct *fsp, uint32_t security_info,
632 struct security_descriptor **ppdesc)
634 struct SMB4ACL_T *pacl = NULL;
636 struct gpfs_config_data *config;
637 TALLOC_CTX *frame = talloc_stackframe();
642 SMB_VFS_HANDLE_GET_DATA(handle, config,
643 struct gpfs_config_data,
644 return NT_STATUS_INTERNAL_ERROR);
647 status = SMB_VFS_NEXT_FGET_NT_ACL(handle, fsp, security_info,
653 result = gpfs_get_nfs4_acl(frame, fsp->fsp_name->base_name, &pacl);
656 status = smb_fget_nt_acl_nfs4(fsp, &config->nfs4_params,
658 mem_ctx, ppdesc, pacl);
664 DEBUG(10, ("retrying with posix acl...\n"));
665 status = posix_fget_nt_acl(fsp, security_info,
673 /* GPFS ACL was not read, something wrong happened, error code is set in errno */
674 return map_nt_error_from_unix(errno);
677 static bool vfs_gpfs_nfs4_ace_to_gpfs_ace(SMB_ACE4PROP_T *nfs4_ace,
678 struct gpfs_ace_v4 *gace,
681 gace->aceType = nfs4_ace->aceType;
682 gace->aceFlags = nfs4_ace->aceFlags;
683 gace->aceMask = nfs4_ace->aceMask;
685 if (nfs4_ace->flags & SMB_ACE4_ID_SPECIAL) {
686 switch(nfs4_ace->who.special_id) {
687 case SMB_ACE4_WHO_EVERYONE:
688 gace->aceIFlags = ACE4_IFLAG_SPECIAL_ID;
689 gace->aceWho = ACE4_SPECIAL_EVERYONE;
691 case SMB_ACE4_WHO_OWNER:
693 * With GPFS it is not possible to deny ACL or
694 * attribute access to the owner. Setting an
695 * ACL with such an entry is not possible.
696 * Denying ACL or attribute access for the
697 * owner through a named ACL entry can be
698 * stored in an ACL, it is just not effective.
700 * Map this case to a named entry to allow at
701 * least setting this ACL, which will be
702 * enforced by the smbd permission check. Do
703 * not do this for an inheriting OWNER entry,
704 * as this represents a CREATOR OWNER ACE. The
705 * remaining limitation is that CREATOR OWNER
706 * cannot deny ACL or attribute access.
708 if (!nfs_ace_is_inherit(nfs4_ace) &&
710 SMB_ACE4_ACCESS_DENIED_ACE_TYPE &&
711 nfs4_ace->aceMask & (SMB_ACE4_READ_ATTRIBUTES|
712 SMB_ACE4_WRITE_ATTRIBUTES|
714 SMB_ACE4_WRITE_ACL)) {
716 gace->aceWho = owner_uid;
718 gace->aceIFlags = ACE4_IFLAG_SPECIAL_ID;
719 gace->aceWho = ACE4_SPECIAL_OWNER;
722 case SMB_ACE4_WHO_GROUP:
723 gace->aceIFlags = ACE4_IFLAG_SPECIAL_ID;
724 gace->aceWho = ACE4_SPECIAL_GROUP;
727 DBG_WARNING("Unsupported special_id %d\n",
728 nfs4_ace->who.special_id);
736 gace->aceWho = (nfs4_ace->aceFlags & SMB_ACE4_IDENTIFIER_GROUP) ?
737 nfs4_ace->who.gid : nfs4_ace->who.uid;
742 static struct gpfs_acl *vfs_gpfs_smbacl2gpfsacl(TALLOC_CTX *mem_ctx,
744 struct SMB4ACL_T *smbacl,
747 struct gpfs_acl *gacl;
748 gpfs_aclLen_t gacl_len;
749 struct SMB4ACE_T *smbace;
751 gacl_len = offsetof(gpfs_acl_t, ace_v4) + sizeof(unsigned int)
752 + smb_get_naces(smbacl) * sizeof(gpfs_ace_v4_t);
754 gacl = (struct gpfs_acl *)TALLOC_SIZE(mem_ctx, gacl_len);
756 DEBUG(0, ("talloc failed\n"));
761 gacl->acl_level = GPFS_ACL_LEVEL_BASE;
762 gacl->acl_version = GPFS_ACL_VERSION_NFS4;
763 gacl->acl_type = GPFS_ACL_TYPE_NFS4;
764 gacl->acl_nace = 0; /* change later... */
767 gacl->acl_level = GPFS_ACL_LEVEL_V4FLAGS;
768 sd2gpfs_control(smbacl4_get_controlflags(smbacl), gacl);
771 for (smbace=smb_first_ace4(smbacl); smbace!=NULL; smbace = smb_next_ace4(smbace)) {
772 struct gpfs_ace_v4 *gace = gpfs_ace_ptr(gacl, gacl->acl_nace);
773 SMB_ACE4PROP_T *aceprop = smb_get_ace4(smbace);
776 add_ace = vfs_gpfs_nfs4_ace_to_gpfs_ace(aceprop, gace,
777 fsp->fsp_name->st.st_ex_uid);
784 gacl->acl_len = (char *)gpfs_ace_ptr(gacl, gacl->acl_nace)
789 static bool gpfsacl_process_smbacl(vfs_handle_struct *handle,
791 struct SMB4ACL_T *smbacl)
794 struct gpfs_acl *gacl;
795 TALLOC_CTX *mem_ctx = talloc_tos();
797 gacl = vfs_gpfs_smbacl2gpfsacl(mem_ctx, fsp, smbacl, true);
798 if (gacl == NULL) { /* out of memory */
801 ret = gpfswrap_putacl(fsp->fsp_name->base_name,
802 GPFS_PUTACL_STRUCT | GPFS_ACL_SAMBA, gacl);
804 if ((ret != 0) && (errno == EINVAL)) {
805 DEBUG(10, ("Retry without nfs41 control flags\n"));
807 gacl = vfs_gpfs_smbacl2gpfsacl(mem_ctx, fsp, smbacl, false);
808 if (gacl == NULL) { /* out of memory */
811 ret = gpfswrap_putacl(fsp->fsp_name->base_name,
812 GPFS_PUTACL_STRUCT | GPFS_ACL_SAMBA,
817 DEBUG(8, ("gpfs_putacl failed with %s\n", strerror(errno)));
818 gpfs_dumpacl(8, gacl);
822 DEBUG(10, ("gpfs_putacl succeeded\n"));
826 static NTSTATUS gpfsacl_set_nt_acl_internal(vfs_handle_struct *handle, files_struct *fsp, uint32_t security_info_sent, const struct security_descriptor *psd)
828 struct gpfs_acl *acl;
829 NTSTATUS result = NT_STATUS_ACCESS_DENIED;
831 acl = (struct gpfs_acl*) vfs_gpfs_getacl(talloc_tos(),
832 fsp->fsp_name->base_name,
835 return map_nt_error_from_unix(errno);
838 if (acl->acl_version == GPFS_ACL_VERSION_NFS4) {
839 struct gpfs_config_data *config;
841 if (lp_parm_bool(fsp->conn->params->service, "gpfs",
842 "refuse_dacl_protected", false)
843 && (psd->type&SEC_DESC_DACL_PROTECTED)) {
844 DEBUG(2, ("Rejecting unsupported ACL with DACL_PROTECTED bit set\n"));
846 return NT_STATUS_NOT_SUPPORTED;
849 SMB_VFS_HANDLE_GET_DATA(handle, config,
850 struct gpfs_config_data,
851 return NT_STATUS_INTERNAL_ERROR);
853 result = smb_set_nt_acl_nfs4(handle,
854 fsp, &config->nfs4_params, security_info_sent, psd,
855 gpfsacl_process_smbacl);
856 } else { /* assume POSIX ACL - by default... */
857 result = set_nt_acl(fsp, security_info_sent, psd);
864 static NTSTATUS gpfsacl_fset_nt_acl(vfs_handle_struct *handle, files_struct *fsp, uint32_t security_info_sent, const struct security_descriptor *psd)
866 struct gpfs_config_data *config;
868 SMB_VFS_HANDLE_GET_DATA(handle, config,
869 struct gpfs_config_data,
870 return NT_STATUS_INTERNAL_ERROR);
873 return SMB_VFS_NEXT_FSET_NT_ACL(handle, fsp, security_info_sent, psd);
876 return gpfsacl_set_nt_acl_internal(handle, fsp, security_info_sent, psd);
879 static SMB_ACL_T gpfs2smb_acl(const struct gpfs_acl *pacl, TALLOC_CTX *mem_ctx)
884 result = sys_acl_init(mem_ctx);
885 if (result == NULL) {
890 result->count = pacl->acl_nace;
891 result->acl = talloc_realloc(result, result->acl, struct smb_acl_entry,
893 if (result->acl == NULL) {
899 for (i=0; i<pacl->acl_nace; i++) {
900 struct smb_acl_entry *ace = &result->acl[i];
901 const struct gpfs_ace_v1 *g_ace = &pacl->ace_v1[i];
903 DEBUG(10, ("Converting type %d id %lu perm %x\n",
904 (int)g_ace->ace_type, (unsigned long)g_ace->ace_who,
905 (int)g_ace->ace_perm));
907 switch (g_ace->ace_type) {
909 ace->a_type = SMB_ACL_USER;
910 ace->info.user.uid = (uid_t)g_ace->ace_who;
912 case GPFS_ACL_USER_OBJ:
913 ace->a_type = SMB_ACL_USER_OBJ;
916 ace->a_type = SMB_ACL_GROUP;
917 ace->info.group.gid = (gid_t)g_ace->ace_who;
919 case GPFS_ACL_GROUP_OBJ:
920 ace->a_type = SMB_ACL_GROUP_OBJ;
923 ace->a_type = SMB_ACL_OTHER;
926 ace->a_type = SMB_ACL_MASK;
929 DEBUG(10, ("Got invalid ace_type: %d\n",
937 ace->a_perm |= (g_ace->ace_perm & ACL_PERM_READ) ?
939 ace->a_perm |= (g_ace->ace_perm & ACL_PERM_WRITE) ?
941 ace->a_perm |= (g_ace->ace_perm & ACL_PERM_EXECUTE) ?
944 DEBUGADD(10, ("Converted to %d perm %x\n",
945 ace->a_type, ace->a_perm));
951 static SMB_ACL_T gpfsacl_get_posix_acl(const char *path, gpfs_aclType_t type,
954 struct gpfs_acl *pacl;
955 SMB_ACL_T result = NULL;
957 pacl = vfs_gpfs_getacl(talloc_tos(), path, false, type);
960 DEBUG(10, ("vfs_gpfs_getacl failed for %s with %s\n",
961 path, strerror(errno)));
968 if (pacl->acl_version != GPFS_ACL_VERSION_POSIX) {
969 DEBUG(10, ("Got acl version %d, expected %d\n",
970 pacl->acl_version, GPFS_ACL_VERSION_POSIX));
975 DEBUG(10, ("len: %d, level: %d, version: %d, nace: %d\n",
976 pacl->acl_len, pacl->acl_level, pacl->acl_version,
979 result = gpfs2smb_acl(pacl, mem_ctx);
980 if (result != NULL) {
995 static SMB_ACL_T gpfsacl_sys_acl_get_fd(vfs_handle_struct *handle,
1000 gpfs_aclType_t gpfs_type;
1001 struct gpfs_config_data *config;
1003 SMB_VFS_HANDLE_GET_DATA(handle, config,
1004 struct gpfs_config_data,
1008 return SMB_VFS_NEXT_SYS_ACL_GET_FD(handle, fsp, type, mem_ctx);
1012 case SMB_ACL_TYPE_ACCESS:
1013 gpfs_type = GPFS_ACL_TYPE_ACCESS;
1015 case SMB_ACL_TYPE_DEFAULT:
1016 gpfs_type = GPFS_ACL_TYPE_DEFAULT;
1019 DEBUG(0, ("Got invalid type: %d\n", type));
1020 smb_panic("exiting");
1022 return gpfsacl_get_posix_acl(fsp->fsp_name->base_name,
1023 gpfs_type, mem_ctx);
1026 static int gpfsacl_sys_acl_blob_get_fd(vfs_handle_struct *handle,
1028 TALLOC_CTX *mem_ctx,
1029 char **blob_description,
1032 struct gpfs_config_data *config;
1033 struct gpfs_opaque_acl *acl = NULL;
1037 SMB_VFS_HANDLE_GET_DATA(handle, config,
1038 struct gpfs_config_data,
1042 return SMB_VFS_NEXT_SYS_ACL_BLOB_GET_FD(handle, fsp, mem_ctx,
1043 blob_description, blob);
1047 acl = (struct gpfs_opaque_acl *) vfs_gpfs_getacl(mem_ctx,
1048 fsp->fsp_name->base_name,
1050 GPFS_ACL_TYPE_NFS4);
1053 DEBUG(5, ("vfs_gpfs_getacl finished with errno %d: %s\n",
1054 errno, strerror(errno)));
1056 /* EINVAL means POSIX ACL, bail out on other cases */
1057 if (errno != EINVAL) {
1064 * file has NFSv4 ACL
1066 * we only need the actual ACL blob here
1067 * acl_version will always be NFS4 because we asked
1069 * acl_type is only used for POSIX ACLs
1071 aclblob.data = (uint8_t*) acl->acl_var_data;
1072 aclblob.length = acl->acl_buffer_len;
1074 *blob_description = talloc_strdup(mem_ctx, "gpfs_nfs4_acl");
1075 if (!*blob_description) {
1081 result = non_posix_sys_acl_blob_get_fd_helper(handle, fsp,
1089 /* fall back to POSIX ACL */
1090 return posix_sys_acl_blob_get_fd(handle, fsp, mem_ctx,
1091 blob_description, blob);
1094 static struct gpfs_acl *smb2gpfs_acl(const SMB_ACL_T pacl,
1095 SMB_ACL_TYPE_T type)
1098 struct gpfs_acl *result;
1101 DEBUG(10, ("smb2gpfs_acl: Got ACL with %d entries\n", pacl->count));
1103 len = offsetof(gpfs_acl_t, ace_v1) + (pacl->count) *
1104 sizeof(gpfs_ace_v1_t);
1106 result = (struct gpfs_acl *)SMB_MALLOC(len);
1107 if (result == NULL) {
1112 result->acl_len = len;
1113 result->acl_level = 0;
1114 result->acl_version = GPFS_ACL_VERSION_POSIX;
1115 result->acl_type = (type == SMB_ACL_TYPE_DEFAULT) ?
1116 GPFS_ACL_TYPE_DEFAULT : GPFS_ACL_TYPE_ACCESS;
1117 result->acl_nace = pacl->count;
1119 for (i=0; i<pacl->count; i++) {
1120 const struct smb_acl_entry *ace = &pacl->acl[i];
1121 struct gpfs_ace_v1 *g_ace = &result->ace_v1[i];
1123 DEBUG(10, ("Converting type %d perm %x\n",
1124 (int)ace->a_type, (int)ace->a_perm));
1126 g_ace->ace_perm = 0;
1128 switch(ace->a_type) {
1130 g_ace->ace_type = GPFS_ACL_USER;
1131 g_ace->ace_who = (gpfs_uid_t)ace->info.user.uid;
1133 case SMB_ACL_USER_OBJ:
1134 g_ace->ace_type = GPFS_ACL_USER_OBJ;
1135 g_ace->ace_perm |= ACL_PERM_CONTROL;
1139 g_ace->ace_type = GPFS_ACL_GROUP;
1140 g_ace->ace_who = (gpfs_uid_t)ace->info.group.gid;
1142 case SMB_ACL_GROUP_OBJ:
1143 g_ace->ace_type = GPFS_ACL_GROUP_OBJ;
1147 g_ace->ace_type = GPFS_ACL_MASK;
1148 g_ace->ace_perm = 0x8f;
1152 g_ace->ace_type = GPFS_ACL_OTHER;
1156 DEBUG(10, ("Got invalid ace_type: %d\n", ace->a_type));
1162 g_ace->ace_perm |= (ace->a_perm & SMB_ACL_READ) ?
1164 g_ace->ace_perm |= (ace->a_perm & SMB_ACL_WRITE) ?
1166 g_ace->ace_perm |= (ace->a_perm & SMB_ACL_EXECUTE) ?
1167 ACL_PERM_EXECUTE : 0;
1169 DEBUGADD(10, ("Converted to %d id %d perm %x\n",
1170 g_ace->ace_type, g_ace->ace_who, g_ace->ace_perm));
1176 static int gpfsacl_sys_acl_set_fd(vfs_handle_struct *handle,
1178 SMB_ACL_TYPE_T type,
1181 struct gpfs_config_data *config;
1182 struct gpfs_acl *gpfs_acl = NULL;
1185 SMB_VFS_HANDLE_GET_DATA(handle, config,
1186 struct gpfs_config_data,
1190 return SMB_VFS_NEXT_SYS_ACL_SET_FD(handle, fsp, type, theacl);
1193 gpfs_acl = smb2gpfs_acl(theacl, type);
1194 if (gpfs_acl == NULL) {
1199 * This is no longer a handle based call.
1201 result = gpfswrap_putacl(fsp->fsp_name->base_name,
1202 GPFS_PUTACL_STRUCT|GPFS_ACL_SAMBA,
1204 SAFE_FREE(gpfs_acl);
1208 static int gpfsacl_sys_acl_delete_def_fd(vfs_handle_struct *handle,
1211 struct gpfs_config_data *config;
1213 SMB_VFS_HANDLE_GET_DATA(handle, config,
1214 struct gpfs_config_data,
1218 return SMB_VFS_NEXT_SYS_ACL_DELETE_DEF_FD(handle, fsp);
1227 * Assumed: mode bits are shiftable and standard
1228 * Output: the new aceMask field for an smb nfs4 ace
1230 static uint32_t gpfsacl_mask_filter(uint32_t aceType, uint32_t aceMask, uint32_t rwx)
1232 const uint32_t posix_nfs4map[3] = {
1233 SMB_ACE4_EXECUTE, /* execute */
1234 SMB_ACE4_WRITE_DATA | SMB_ACE4_APPEND_DATA, /* write; GPFS specific */
1235 SMB_ACE4_READ_DATA /* read */
1238 uint32_t posix_mask = 0x01;
1242 for(i=0; i<3; i++) {
1243 nfs4_bits = posix_nfs4map[i];
1244 posix_bit = rwx & posix_mask;
1246 if (aceType==SMB_ACE4_ACCESS_ALLOWED_ACE_TYPE) {
1248 aceMask |= nfs4_bits;
1250 aceMask &= ~nfs4_bits;
1252 /* add deny bits when suitable */
1254 aceMask |= nfs4_bits;
1256 aceMask &= ~nfs4_bits;
1257 } /* other ace types are unexpected */
1265 static int gpfsacl_emu_chmod(vfs_handle_struct *handle,
1266 const struct smb_filename *fname, mode_t mode)
1268 char *path = fname->base_name;
1269 struct SMB4ACL_T *pacl = NULL;
1271 bool haveAllowEntry[SMB_ACE4_WHO_EVERYONE + 1] = {False, False, False, False};
1273 files_struct fake_fsp = { 0 }; /* TODO: rationalize parametrization */
1274 struct SMB4ACE_T *smbace;
1275 TALLOC_CTX *frame = talloc_stackframe();
1277 DEBUG(10, ("gpfsacl_emu_chmod invoked for %s mode %o\n", path, mode));
1279 result = gpfs_get_nfs4_acl(frame, path, &pacl);
1285 if (mode & ~(S_IRWXU | S_IRWXG | S_IRWXO)) {
1286 DEBUG(2, ("WARNING: cutting extra mode bits %o on %s\n", mode, path));
1289 for (smbace=smb_first_ace4(pacl); smbace!=NULL; smbace = smb_next_ace4(smbace)) {
1290 SMB_ACE4PROP_T *ace = smb_get_ace4(smbace);
1291 uint32_t specid = ace->who.special_id;
1293 if (ace->flags&SMB_ACE4_ID_SPECIAL &&
1294 ace->aceType<=SMB_ACE4_ACCESS_DENIED_ACE_TYPE &&
1295 specid <= SMB_ACE4_WHO_EVERYONE) {
1299 if (ace->aceType==SMB_ACE4_ACCESS_ALLOWED_ACE_TYPE)
1300 haveAllowEntry[specid] = True;
1302 /* mode >> 6 for @owner, mode >> 3 for @group,
1303 * mode >> 0 for @everyone */
1304 newMask = gpfsacl_mask_filter(ace->aceType, ace->aceMask,
1305 mode >> ((SMB_ACE4_WHO_EVERYONE - specid) * 3));
1306 if (ace->aceMask!=newMask) {
1307 DEBUG(10, ("ace changed for %s (%o -> %o) id=%d\n",
1308 path, ace->aceMask, newMask, specid));
1310 ace->aceMask = newMask;
1314 /* make sure we have at least ALLOW entries
1315 * for all the 3 special ids (@EVERYONE, @OWNER, @GROUP)
1318 for(i = SMB_ACE4_WHO_OWNER; i<=SMB_ACE4_WHO_EVERYONE; i++) {
1319 SMB_ACE4PROP_T ace = { 0 };
1321 if (haveAllowEntry[i]==True)
1324 ace.aceType = SMB_ACE4_ACCESS_ALLOWED_ACE_TYPE;
1325 ace.flags |= SMB_ACE4_ID_SPECIAL;
1326 ace.who.special_id = i;
1328 if (i==SMB_ACE4_WHO_GROUP) /* not sure it's necessary... */
1329 ace.aceFlags |= SMB_ACE4_IDENTIFIER_GROUP;
1331 ace.aceMask = gpfsacl_mask_filter(ace.aceType, ace.aceMask,
1332 mode >> ((SMB_ACE4_WHO_EVERYONE - i) * 3));
1334 /* don't add unnecessary aces */
1338 /* we add it to the END - as windows expects allow aces */
1339 smb_add_ace4(pacl, &ace);
1340 DEBUG(10, ("Added ALLOW ace for %s, mode=%o, id=%d, aceMask=%x\n",
1341 path, mode, i, ace.aceMask));
1344 /* don't add complementary DENY ACEs here */
1345 fake_fsp.fsp_name = synthetic_smb_fname(frame,
1351 if (fake_fsp.fsp_name == NULL) {
1357 if (gpfsacl_process_smbacl(handle, &fake_fsp, pacl) == False) {
1363 return 0; /* ok for [f]chmod */
1366 static int vfs_gpfs_fchmod(vfs_handle_struct *handle, files_struct *fsp, mode_t mode)
1371 if (SMB_VFS_NEXT_FSTAT(handle, fsp, &st) != 0) {
1375 /* avoid chmod() if possible, to preserve acls */
1376 if ((st.st_ex_mode & ~S_IFMT) == mode) {
1380 rc = gpfsacl_emu_chmod(handle, fsp->fsp_name,
1383 return SMB_VFS_NEXT_FCHMOD(handle, fsp, mode);
1387 static uint32_t vfs_gpfs_winattrs_to_dosmode(unsigned int winattrs)
1389 uint32_t dosmode = 0;
1391 if (winattrs & GPFS_WINATTR_ARCHIVE){
1392 dosmode |= FILE_ATTRIBUTE_ARCHIVE;
1394 if (winattrs & GPFS_WINATTR_HIDDEN){
1395 dosmode |= FILE_ATTRIBUTE_HIDDEN;
1397 if (winattrs & GPFS_WINATTR_SYSTEM){
1398 dosmode |= FILE_ATTRIBUTE_SYSTEM;
1400 if (winattrs & GPFS_WINATTR_READONLY){
1401 dosmode |= FILE_ATTRIBUTE_READONLY;
1403 if (winattrs & GPFS_WINATTR_SPARSE_FILE) {
1404 dosmode |= FILE_ATTRIBUTE_SPARSE;
1406 if (winattrs & GPFS_WINATTR_OFFLINE) {
1407 dosmode |= FILE_ATTRIBUTE_OFFLINE;
1413 static unsigned int vfs_gpfs_dosmode_to_winattrs(uint32_t dosmode)
1415 unsigned int winattrs = 0;
1417 if (dosmode & FILE_ATTRIBUTE_ARCHIVE){
1418 winattrs |= GPFS_WINATTR_ARCHIVE;
1420 if (dosmode & FILE_ATTRIBUTE_HIDDEN){
1421 winattrs |= GPFS_WINATTR_HIDDEN;
1423 if (dosmode & FILE_ATTRIBUTE_SYSTEM){
1424 winattrs |= GPFS_WINATTR_SYSTEM;
1426 if (dosmode & FILE_ATTRIBUTE_READONLY){
1427 winattrs |= GPFS_WINATTR_READONLY;
1429 if (dosmode & FILE_ATTRIBUTE_SPARSE) {
1430 winattrs |= GPFS_WINATTR_SPARSE_FILE;
1432 if (dosmode & FILE_ATTRIBUTE_OFFLINE) {
1433 winattrs |= GPFS_WINATTR_OFFLINE;
1439 static struct timespec gpfs_timestruc64_to_timespec(struct gpfs_timestruc64 g)
1441 return (struct timespec) { .tv_sec = g.tv_sec, .tv_nsec = g.tv_nsec };
1444 static NTSTATUS vfs_gpfs_fget_dos_attributes(struct vfs_handle_struct *handle,
1445 struct files_struct *fsp,
1448 struct gpfs_config_data *config;
1449 int fd = fsp_get_pathref_fd(fsp);
1451 const char *p = NULL;
1452 struct gpfs_iattr64 iattr = { };
1453 unsigned int litemask = 0;
1457 SMB_VFS_HANDLE_GET_DATA(handle, config,
1458 struct gpfs_config_data,
1459 return NT_STATUS_INTERNAL_ERROR);
1461 if (!config->winattr) {
1462 return SMB_VFS_NEXT_FGET_DOS_ATTRIBUTES(handle, fsp, dosmode);
1465 if (fsp->fsp_flags.is_pathref && !config->pathref_ok.gpfs_fstat_x) {
1466 if (fsp->fsp_flags.have_proc_fds) {
1467 p = sys_proc_fd_path(fd, buf, sizeof(buf));
1469 return NT_STATUS_NO_MEMORY;
1472 p = fsp->fsp_name->base_name;
1477 ret = gpfswrap_stat_x(p, &litemask, &iattr, sizeof(iattr));
1479 ret = gpfswrap_fstat_x(fd, &litemask, &iattr, sizeof(iattr));
1481 if (ret == -1 && errno == ENOSYS) {
1482 return SMB_VFS_NEXT_FGET_DOS_ATTRIBUTES(handle, fsp, dosmode);
1485 if (ret == -1 && errno == EACCES) {
1486 int saved_errno = 0;
1489 * According to MS-FSA 2.1.5.1.2.1 "Algorithm to Check Access to
1490 * an Existing File" FILE_LIST_DIRECTORY on a directory implies
1491 * FILE_READ_ATTRIBUTES for directory entries. Being able to
1492 * open a file implies FILE_LIST_DIRECTORY.
1495 set_effective_capability(DAC_OVERRIDE_CAPABILITY);
1498 ret = gpfswrap_stat_x(p,
1503 ret = gpfswrap_fstat_x(fd,
1509 saved_errno = errno;
1512 drop_effective_capability(DAC_OVERRIDE_CAPABILITY);
1514 if (saved_errno != 0) {
1515 errno = saved_errno;
1520 DBG_WARNING("Getting winattrs failed for %s: %s\n",
1521 fsp->fsp_name->base_name, strerror(errno));
1522 return map_nt_error_from_unix(errno);
1525 ts = gpfs_timestruc64_to_timespec(iattr.ia_createtime);
1527 *dosmode |= vfs_gpfs_winattrs_to_dosmode(iattr.ia_winflags);
1528 update_stat_ex_create_time(&fsp->fsp_name->st, ts);
1530 return NT_STATUS_OK;
1533 static NTSTATUS vfs_gpfs_fset_dos_attributes(struct vfs_handle_struct *handle,
1534 struct files_struct *fsp,
1537 struct gpfs_config_data *config;
1538 struct gpfs_winattr attrs = { };
1541 SMB_VFS_HANDLE_GET_DATA(handle, config,
1542 struct gpfs_config_data,
1543 return NT_STATUS_INTERNAL_ERROR);
1545 if (!config->winattr) {
1546 return SMB_VFS_NEXT_FSET_DOS_ATTRIBUTES(handle, fsp, dosmode);
1549 attrs.winAttrs = vfs_gpfs_dosmode_to_winattrs(dosmode);
1551 if (!fsp->fsp_flags.is_pathref) {
1552 ret = gpfswrap_set_winattrs(fsp_get_io_fd(fsp),
1553 GPFS_WINATTR_SET_ATTRS, &attrs);
1555 DBG_WARNING("Setting winattrs failed for %s: %s\n",
1556 fsp_str_dbg(fsp), strerror(errno));
1557 return map_nt_error_from_unix(errno);
1559 return NT_STATUS_OK;
1562 if (fsp->fsp_flags.have_proc_fds) {
1563 int fd = fsp_get_pathref_fd(fsp);
1564 const char *p = NULL;
1567 p = sys_proc_fd_path(fd, buf, sizeof(buf));
1569 return NT_STATUS_NO_MEMORY;
1572 ret = gpfswrap_set_winattrs_path(p,
1573 GPFS_WINATTR_SET_ATTRS,
1576 DBG_WARNING("Setting winattrs failed for [%s][%s]: %s\n",
1577 p, fsp_str_dbg(fsp), strerror(errno));
1578 return map_nt_error_from_unix(errno);
1580 return NT_STATUS_OK;
1584 * This is no longer a handle based call.
1586 ret = gpfswrap_set_winattrs_path(fsp->fsp_name->base_name,
1587 GPFS_WINATTR_SET_ATTRS,
1590 DBG_WARNING("Setting winattrs failed for [%s]: %s\n",
1591 fsp_str_dbg(fsp), strerror(errno));
1592 return map_nt_error_from_unix(errno);
1595 return NT_STATUS_OK;
1598 static int stat_with_capability(struct vfs_handle_struct *handle,
1599 struct smb_filename *smb_fname, int flag)
1603 struct smb_filename *dir_name = NULL;
1604 struct smb_filename *rel_name = NULL;
1608 status = SMB_VFS_PARENT_PATHNAME(handle->conn,
1613 if (!NT_STATUS_IS_OK(status)) {
1614 errno = map_errno_from_nt_status(status);
1618 fd = open(dir_name->base_name, O_RDONLY, 0);
1620 TALLOC_FREE(dir_name);
1624 set_effective_capability(DAC_OVERRIDE_CAPABILITY);
1625 ret = fstatat(fd, rel_name->base_name, &st, flag);
1626 drop_effective_capability(DAC_OVERRIDE_CAPABILITY);
1628 TALLOC_FREE(dir_name);
1632 init_stat_ex_from_stat(
1633 &smb_fname->st, &st,
1634 lp_fake_directory_create_times(SNUM(handle->conn)));
1640 static int vfs_gpfs_stat(struct vfs_handle_struct *handle,
1641 struct smb_filename *smb_fname)
1645 ret = SMB_VFS_NEXT_STAT(handle, smb_fname);
1646 if (ret == -1 && errno == EACCES) {
1647 DEBUG(10, ("Trying stat with capability for %s\n",
1648 smb_fname->base_name));
1649 ret = stat_with_capability(handle, smb_fname, 0);
1654 static int vfs_gpfs_lstat(struct vfs_handle_struct *handle,
1655 struct smb_filename *smb_fname)
1659 ret = SMB_VFS_NEXT_LSTAT(handle, smb_fname);
1660 if (ret == -1 && errno == EACCES) {
1661 DEBUG(10, ("Trying lstat with capability for %s\n",
1662 smb_fname->base_name));
1663 ret = stat_with_capability(handle, smb_fname,
1664 AT_SYMLINK_NOFOLLOW);
1669 static void timespec_to_gpfs_time(struct timespec ts, gpfs_timestruc_t *gt,
1670 int idx, int *flags)
1672 if (!is_omit_timespec(&ts)) {
1674 gt[idx].tv_sec = ts.tv_sec;
1675 gt[idx].tv_nsec = ts.tv_nsec;
1676 DEBUG(10, ("Setting GPFS time %d, flags 0x%x\n", idx, *flags));
1680 static int smbd_gpfs_set_times(struct files_struct *fsp,
1681 struct smb_file_time *ft)
1683 gpfs_timestruc_t gpfs_times[4];
1687 ZERO_ARRAY(gpfs_times);
1688 timespec_to_gpfs_time(ft->atime, gpfs_times, 0, &flags);
1689 timespec_to_gpfs_time(ft->mtime, gpfs_times, 1, &flags);
1690 /* No good mapping from LastChangeTime to ctime, not storing */
1691 timespec_to_gpfs_time(ft->create_time, gpfs_times, 3, &flags);
1694 DBG_DEBUG("nothing to do, return to avoid EINVAL\n");
1698 if (!fsp->fsp_flags.is_pathref) {
1699 rc = gpfswrap_set_times(fsp_get_io_fd(fsp), flags, gpfs_times);
1701 DBG_WARNING("gpfs_set_times(%s) failed: %s\n",
1702 fsp_str_dbg(fsp), strerror(errno));
1708 if (fsp->fsp_flags.have_proc_fds) {
1709 int fd = fsp_get_pathref_fd(fsp);
1710 const char *p = NULL;
1713 p = sys_proc_fd_path(fd, buf, sizeof(buf));
1718 rc = gpfswrap_set_times_path(buf, flags, gpfs_times);
1720 DBG_WARNING("gpfs_set_times_path(%s,%s) failed: %s\n",
1721 fsp_str_dbg(fsp), p, strerror(errno));
1727 * This is no longer a handle based call.
1730 rc = gpfswrap_set_times_path(fsp->fsp_name->base_name,
1734 DBG_WARNING("gpfs_set_times_path(%s) failed: %s\n",
1735 fsp_str_dbg(fsp), strerror(errno));
1740 static int vfs_gpfs_fntimes(struct vfs_handle_struct *handle,
1742 struct smb_file_time *ft)
1745 struct gpfs_winattr attrs;
1747 struct gpfs_config_data *config;
1749 SMB_VFS_HANDLE_GET_DATA(handle,
1751 struct gpfs_config_data,
1754 /* Try to use gpfs_set_times if it is enabled and available */
1755 if (config->settimes) {
1756 return smbd_gpfs_set_times(fsp, ft);
1759 DBG_DEBUG("gpfs_set_times() not available or disabled, "
1760 "use ntimes and winattr\n");
1762 ret = SMB_VFS_NEXT_FNTIMES(handle, fsp, ft);
1764 /* don't complain if access was denied */
1765 if (errno != EPERM && errno != EACCES) {
1766 DBG_WARNING("SMB_VFS_NEXT_FNTIMES failed: %s",
1772 if (is_omit_timespec(&ft->create_time)) {
1773 DBG_DEBUG("Create Time is NULL\n");
1777 if (!config->winattr) {
1782 attrs.creationTime.tv_sec = ft->create_time.tv_sec;
1783 attrs.creationTime.tv_nsec = ft->create_time.tv_nsec;
1785 if (!fsp->fsp_flags.is_pathref) {
1786 ret = gpfswrap_set_winattrs(fsp_get_io_fd(fsp),
1787 GPFS_WINATTR_SET_CREATION_TIME,
1789 if (ret == -1 && errno != ENOSYS) {
1790 DBG_WARNING("Set GPFS ntimes failed %d\n", ret);
1796 if (fsp->fsp_flags.have_proc_fds) {
1797 int fd = fsp_get_pathref_fd(fsp);
1798 const char *p = NULL;
1801 p = sys_proc_fd_path(fd, buf, sizeof(buf));
1806 ret = gpfswrap_set_winattrs_path(p,
1807 GPFS_WINATTR_SET_CREATION_TIME,
1809 if (ret == -1 && errno != ENOSYS) {
1810 DBG_WARNING("Set GPFS ntimes failed %d\n", ret);
1817 * This is no longer a handle based call.
1819 ret = gpfswrap_set_winattrs_path(fsp->fsp_name->base_name,
1820 GPFS_WINATTR_SET_CREATION_TIME,
1822 if (ret == -1 && errno != ENOSYS) {
1823 DBG_WARNING("Set GPFS ntimes failed %d\n", ret);
1830 static int vfs_gpfs_fallocate(struct vfs_handle_struct *handle,
1831 struct files_struct *fsp, uint32_t mode,
1832 off_t offset, off_t len)
1834 if (mode == (VFS_FALLOCATE_FL_PUNCH_HOLE|VFS_FALLOCATE_FL_KEEP_SIZE) &&
1835 !fsp->fsp_flags.is_sparse &&
1836 lp_strict_allocate(SNUM(fsp->conn))) {
1838 * This is from a ZERO_DATA request on a non-sparse
1839 * file. GPFS does not support FL_KEEP_SIZE and thus
1840 * cannot fill the whole again in the subsequent
1841 * fallocate(FL_KEEP_SIZE). Deny this FL_PUNCH_HOLE
1842 * call to not end up with a hole in a non-sparse
1849 return SMB_VFS_NEXT_FALLOCATE(handle, fsp, mode, offset, len);
1852 static int vfs_gpfs_ftruncate(vfs_handle_struct *handle, files_struct *fsp,
1856 struct gpfs_config_data *config;
1858 SMB_VFS_HANDLE_GET_DATA(handle, config,
1859 struct gpfs_config_data,
1862 if (!config->ftruncate) {
1863 return SMB_VFS_NEXT_FTRUNCATE(handle, fsp, len);
1866 result = gpfswrap_ftruncate(fsp_get_io_fd(fsp), len);
1867 if ((result == -1) && (errno == ENOSYS)) {
1868 return SMB_VFS_NEXT_FTRUNCATE(handle, fsp, len);
1873 static bool vfs_gpfs_is_offline(struct vfs_handle_struct *handle,
1874 const struct smb_filename *fname,
1875 SMB_STRUCT_STAT *sbuf)
1877 struct gpfs_winattr attrs;
1878 struct gpfs_config_data *config;
1881 SMB_VFS_HANDLE_GET_DATA(handle, config,
1882 struct gpfs_config_data,
1885 if (!config->winattr) {
1889 ret = gpfswrap_get_winattrs_path(fname->base_name, &attrs);
1894 if ((attrs.winAttrs & GPFS_WINATTR_OFFLINE) != 0) {
1895 DBG_DEBUG("%s is offline\n", fname->base_name);
1899 DBG_DEBUG("%s is online\n", fname->base_name);
1903 static bool vfs_gpfs_fsp_is_offline(struct vfs_handle_struct *handle,
1904 struct files_struct *fsp)
1906 struct gpfs_fsp_extension *ext;
1908 ext = VFS_FETCH_FSP_EXTENSION(handle, fsp);
1911 * Something bad happened, always ask.
1913 return vfs_gpfs_is_offline(handle, fsp->fsp_name,
1914 &fsp->fsp_name->st);
1919 * As long as it's offline, ask.
1921 ext->offline = vfs_gpfs_is_offline(handle, fsp->fsp_name,
1922 &fsp->fsp_name->st);
1925 return ext->offline;
1928 static bool vfs_gpfs_aio_force(struct vfs_handle_struct *handle,
1929 struct files_struct *fsp)
1931 return vfs_gpfs_fsp_is_offline(handle, fsp);
1934 static ssize_t vfs_gpfs_sendfile(vfs_handle_struct *handle, int tofd,
1935 files_struct *fsp, const DATA_BLOB *hdr,
1936 off_t offset, size_t n)
1938 if (vfs_gpfs_fsp_is_offline(handle, fsp)) {
1942 return SMB_VFS_NEXT_SENDFILE(handle, tofd, fsp, hdr, offset, n);
1946 static int vfs_gpfs_check_pathref_fstat_x(struct gpfs_config_data *config,
1947 struct connection_struct *conn)
1949 struct gpfs_iattr64 iattr = {0};
1950 unsigned int litemask = 0;
1955 fd = open(conn->connectpath, O_PATH);
1957 DBG_ERR("openat() of share with O_PATH failed: %s\n",
1962 ret = gpfswrap_fstat_x(fd, &litemask, &iattr, sizeof(iattr));
1965 config->pathref_ok.gpfs_fstat_x = true;
1969 saved_errno = errno;
1972 DBG_ERR("close failed: %s\n", strerror(errno));
1976 if (saved_errno != EBADF) {
1977 DBG_ERR("gpfswrap_fstat_x() of O_PATH handle failed: %s\n",
1978 strerror(saved_errno));
1986 static int vfs_gpfs_check_pathref(struct gpfs_config_data *config,
1987 struct connection_struct *conn)
1991 * This code path leaves all struct gpfs_config_data.pathref_ok members
1992 * initialized to false.
1998 ret = vfs_gpfs_check_pathref_fstat_x(config, conn);
2007 static int vfs_gpfs_connect(struct vfs_handle_struct *handle,
2008 const char *service, const char *user)
2010 struct gpfs_config_data *config;
2014 ret = SMB_VFS_NEXT_CONNECT(handle, service, user);
2019 if (IS_IPC(handle->conn)) {
2023 gpfswrap_lib_init(0);
2025 config = talloc_zero(handle->conn, struct gpfs_config_data);
2027 DEBUG(0, ("talloc_zero() failed\n"));
2032 check_fstype = lp_parm_bool(SNUM(handle->conn), "gpfs",
2033 "check_fstype", true);
2036 const char *connectpath = handle->conn->connectpath;
2037 struct statfs buf = { 0 };
2039 ret = statfs(connectpath, &buf);
2041 DBG_ERR("statfs failed for share %s at path %s: %s\n",
2042 service, connectpath, strerror(errno));
2043 TALLOC_FREE(config);
2047 if (buf.f_type != GPFS_SUPER_MAGIC) {
2048 DBG_ERR("SMB share %s, path %s not in GPFS file system."
2049 " statfs magic: 0x%jx\n",
2052 (uintmax_t)buf.f_type);
2054 TALLOC_FREE(config);
2059 ret = smbacl4_get_vfs_params(handle->conn, &config->nfs4_params);
2061 TALLOC_FREE(config);
2065 config->sharemodes = lp_parm_bool(SNUM(handle->conn), "gpfs",
2066 "sharemodes", true);
2068 config->leases = lp_parm_bool(SNUM(handle->conn), "gpfs",
2071 config->hsm = lp_parm_bool(SNUM(handle->conn), "gpfs",
2074 config->syncio = lp_parm_bool(SNUM(handle->conn), "gpfs",
2077 config->winattr = lp_parm_bool(SNUM(handle->conn), "gpfs",
2080 config->ftruncate = lp_parm_bool(SNUM(handle->conn), "gpfs",
2083 config->getrealfilename = lp_parm_bool(SNUM(handle->conn), "gpfs",
2084 "getrealfilename", true);
2086 config->dfreequota = lp_parm_bool(SNUM(handle->conn), "gpfs",
2087 "dfreequota", false);
2089 config->acl = lp_parm_bool(SNUM(handle->conn), "gpfs", "acl", true);
2091 config->settimes = lp_parm_bool(SNUM(handle->conn), "gpfs",
2093 config->recalls = lp_parm_bool(SNUM(handle->conn), "gpfs",
2096 ret = vfs_gpfs_check_pathref(config, handle->conn);
2098 DBG_ERR("vfs_gpfs_check_pathref() on [%s] failed\n",
2099 handle->conn->connectpath);
2100 TALLOC_FREE(config);
2104 SMB_VFS_HANDLE_SET_DATA(handle, config,
2105 NULL, struct gpfs_config_data,
2108 if (config->leases) {
2110 * GPFS lease code is based on kernel oplock code
2111 * so make sure it is turned on
2113 if (!lp_kernel_oplocks(SNUM(handle->conn))) {
2114 DEBUG(5, ("Enabling kernel oplocks for "
2115 "gpfs:leases to work\n"));
2116 lp_do_parameter(SNUM(handle->conn), "kernel oplocks",
2121 * as the kernel does not properly support Level II oplocks
2122 * and GPFS leases code is based on kernel infrastructure, we
2123 * need to turn off Level II oplocks if gpfs:leases is enabled
2125 if (lp_level2_oplocks(SNUM(handle->conn))) {
2126 DEBUG(5, ("gpfs:leases are enabled, disabling "
2127 "Level II oplocks\n"));
2128 lp_do_parameter(SNUM(handle->conn), "level2 oplocks",
2134 * Unless we have an async implementation of get_dos_attributes turn
2137 lp_do_parameter(SNUM(handle->conn), "smbd async dosmode", "false");
2142 static int get_gpfs_quota(const char *pathname, int type, int id,
2143 struct gpfs_quotaInfo *qi)
2147 ret = gpfswrap_quotactl(pathname, GPFS_QCMD(Q_GETQUOTA, type), id, qi);
2150 if (errno == GPFS_E_NO_QUOTA_INST) {
2151 DEBUG(10, ("Quotas disabled on GPFS filesystem.\n"));
2152 } else if (errno != ENOSYS) {
2153 DEBUG(0, ("Get quota failed, type %d, id, %d, "
2154 "errno %d.\n", type, id, errno));
2160 DEBUG(10, ("quota type %d, id %d, blk u:%lld h:%lld s:%lld gt:%u\n",
2161 type, id, qi->blockUsage, qi->blockHardLimit,
2162 qi->blockSoftLimit, qi->blockGraceTime));
2167 static void vfs_gpfs_disk_free_quota(struct gpfs_quotaInfo qi, time_t cur_time,
2168 uint64_t *dfree, uint64_t *dsize)
2170 uint64_t usage, limit;
2173 * The quota reporting is done in units of 1024 byte blocks, but
2174 * sys_fsusage uses units of 512 byte blocks, adjust the block number
2175 * accordingly. Also filter possibly negative usage counts from gpfs.
2177 usage = qi.blockUsage < 0 ? 0 : (uint64_t)qi.blockUsage * 2;
2178 limit = (uint64_t)qi.blockHardLimit * 2;
2181 * When the grace time for the exceeded soft block quota has been
2182 * exceeded, the soft block quota becomes an additional hard limit.
2184 if (qi.blockSoftLimit &&
2185 qi.blockGraceTime && cur_time > qi.blockGraceTime) {
2186 /* report disk as full */
2188 *dsize = MIN(*dsize, usage);
2191 if (!qi.blockHardLimit)
2194 if (usage >= limit) {
2195 /* report disk as full */
2197 *dsize = MIN(*dsize, usage);
2200 /* limit has not been reached, determine "free space" */
2201 *dfree = MIN(*dfree, limit - usage);
2202 *dsize = MIN(*dsize, limit);
2206 static uint64_t vfs_gpfs_disk_free(vfs_handle_struct *handle,
2207 const struct smb_filename *smb_fname,
2212 struct security_unix_token *utok;
2213 struct gpfs_quotaInfo qi_user = { 0 }, qi_group = { 0 };
2214 struct gpfs_config_data *config;
2218 SMB_VFS_HANDLE_GET_DATA(handle, config, struct gpfs_config_data,
2219 return (uint64_t)-1);
2220 if (!config->dfreequota) {
2221 return SMB_VFS_NEXT_DISK_FREE(handle, smb_fname,
2222 bsize, dfree, dsize);
2225 err = sys_fsusage(smb_fname->base_name, dfree, dsize);
2227 DEBUG (0, ("Could not get fs usage, errno %d\n", errno));
2228 return SMB_VFS_NEXT_DISK_FREE(handle, smb_fname,
2229 bsize, dfree, dsize);
2232 /* sys_fsusage returns units of 512 bytes */
2235 DEBUG(10, ("fs dfree %llu, dsize %llu\n",
2236 (unsigned long long)*dfree, (unsigned long long)*dsize));
2238 utok = handle->conn->session_info->unix_token;
2240 err = get_gpfs_quota(smb_fname->base_name,
2241 GPFS_USRQUOTA, utok->uid, &qi_user);
2243 return SMB_VFS_NEXT_DISK_FREE(handle, smb_fname,
2244 bsize, dfree, dsize);
2248 * If new files created under this folder get this folder's
2249 * GID, then available space is governed by the quota of the
2250 * folder's GID, not the primary group of the creating user.
2252 if (VALID_STAT(smb_fname->st) &&
2253 S_ISDIR(smb_fname->st.st_ex_mode) &&
2254 smb_fname->st.st_ex_mode & S_ISGID) {
2256 err = get_gpfs_quota(smb_fname->base_name, GPFS_GRPQUOTA,
2257 smb_fname->st.st_ex_gid, &qi_group);
2261 err = get_gpfs_quota(smb_fname->base_name, GPFS_GRPQUOTA,
2262 utok->gid, &qi_group);
2266 return SMB_VFS_NEXT_DISK_FREE(handle, smb_fname,
2267 bsize, dfree, dsize);
2270 cur_time = time(NULL);
2272 /* Adjust free space and size according to quota limits. */
2273 vfs_gpfs_disk_free_quota(qi_user, cur_time, dfree, dsize);
2274 vfs_gpfs_disk_free_quota(qi_group, cur_time, dfree, dsize);
2279 static int vfs_gpfs_get_quota(vfs_handle_struct *handle,
2280 const struct smb_filename *smb_fname,
2281 enum SMB_QUOTA_TYPE qtype,
2287 * User/group quota are being used for disk-free
2288 * determination, which in this module is done directly
2289 * by the disk-free function. It's important that this
2290 * module does not return wrong quota values by mistake,
2291 * which would modify the correct values set by disk-free.
2292 * User/group quota are also being used for processing
2293 * NT_TRANSACT_GET_USER_QUOTA in smb1 protocol, which is
2294 * currently not supported by this module.
2296 case SMB_USER_QUOTA_TYPE:
2297 case SMB_GROUP_QUOTA_TYPE:
2301 return SMB_VFS_NEXT_GET_QUOTA(handle, smb_fname,
2306 static uint32_t vfs_gpfs_capabilities(struct vfs_handle_struct *handle,
2307 enum timestamp_set_resolution *p_ts_res)
2309 struct gpfs_config_data *config;
2312 next = SMB_VFS_NEXT_FS_CAPABILITIES(handle, p_ts_res);
2314 SMB_VFS_HANDLE_GET_DATA(handle, config,
2315 struct gpfs_config_data,
2319 next |= FILE_SUPPORTS_REMOTE_STORAGE;
2324 static int vfs_gpfs_openat(struct vfs_handle_struct *handle,
2325 const struct files_struct *dirfsp,
2326 const struct smb_filename *smb_fname,
2331 struct gpfs_config_data *config = NULL;
2332 struct gpfs_fsp_extension *ext = NULL;
2335 SMB_VFS_HANDLE_GET_DATA(handle, config,
2336 struct gpfs_config_data,
2339 if (config->hsm && !config->recalls &&
2340 !fsp->fsp_flags.is_pathref &&
2341 vfs_gpfs_fsp_is_offline(handle, fsp))
2343 DBG_DEBUG("Refusing access to offline file %s\n",
2349 if (config->syncio) {
2353 ext = VFS_ADD_FSP_EXTENSION(handle, fsp, struct gpfs_fsp_extension,
2361 * Assume the file is offline until gpfs tells us it's online.
2363 *ext = (struct gpfs_fsp_extension) { .offline = true };
2365 ret = SMB_VFS_NEXT_OPENAT(handle, dirfsp, smb_fname, fsp, flags, mode);
2367 VFS_REMOVE_FSP_EXTENSION(handle, fsp);
2372 static ssize_t vfs_gpfs_pread(vfs_handle_struct *handle, files_struct *fsp,
2373 void *data, size_t n, off_t offset)
2378 was_offline = vfs_gpfs_fsp_is_offline(handle, fsp);
2380 ret = SMB_VFS_NEXT_PREAD(handle, fsp, data, n, offset);
2382 if ((ret != -1) && was_offline) {
2383 notify_fname(handle->conn, NOTIFY_ACTION_MODIFIED,
2384 FILE_NOTIFY_CHANGE_ATTRIBUTES,
2385 fsp->fsp_name->base_name);
2391 struct vfs_gpfs_pread_state {
2392 struct files_struct *fsp;
2395 struct vfs_aio_state vfs_aio_state;
2398 static void vfs_gpfs_pread_done(struct tevent_req *subreq);
2400 static struct tevent_req *vfs_gpfs_pread_send(struct vfs_handle_struct *handle,
2401 TALLOC_CTX *mem_ctx,
2402 struct tevent_context *ev,
2403 struct files_struct *fsp,
2404 void *data, size_t n,
2407 struct tevent_req *req, *subreq;
2408 struct vfs_gpfs_pread_state *state;
2410 req = tevent_req_create(mem_ctx, &state, struct vfs_gpfs_pread_state);
2414 state->was_offline = vfs_gpfs_fsp_is_offline(handle, fsp);
2416 subreq = SMB_VFS_NEXT_PREAD_SEND(state, ev, handle, fsp, data,
2418 if (tevent_req_nomem(subreq, req)) {
2419 return tevent_req_post(req, ev);
2421 tevent_req_set_callback(subreq, vfs_gpfs_pread_done, req);
2425 static void vfs_gpfs_pread_done(struct tevent_req *subreq)
2427 struct tevent_req *req = tevent_req_callback_data(
2428 subreq, struct tevent_req);
2429 struct vfs_gpfs_pread_state *state = tevent_req_data(
2430 req, struct vfs_gpfs_pread_state);
2432 state->ret = SMB_VFS_PREAD_RECV(subreq, &state->vfs_aio_state);
2433 TALLOC_FREE(subreq);
2434 tevent_req_done(req);
2437 static ssize_t vfs_gpfs_pread_recv(struct tevent_req *req,
2438 struct vfs_aio_state *vfs_aio_state)
2440 struct vfs_gpfs_pread_state *state = tevent_req_data(
2441 req, struct vfs_gpfs_pread_state);
2442 struct files_struct *fsp = state->fsp;
2444 if (tevent_req_is_unix_error(req, &vfs_aio_state->error)) {
2447 *vfs_aio_state = state->vfs_aio_state;
2449 if ((state->ret != -1) && state->was_offline) {
2450 DEBUG(10, ("sending notify\n"));
2451 notify_fname(fsp->conn, NOTIFY_ACTION_MODIFIED,
2452 FILE_NOTIFY_CHANGE_ATTRIBUTES,
2453 fsp->fsp_name->base_name);
2459 static ssize_t vfs_gpfs_pwrite(vfs_handle_struct *handle, files_struct *fsp,
2460 const void *data, size_t n, off_t offset)
2465 was_offline = vfs_gpfs_fsp_is_offline(handle, fsp);
2467 ret = SMB_VFS_NEXT_PWRITE(handle, fsp, data, n, offset);
2469 if ((ret != -1) && was_offline) {
2470 notify_fname(handle->conn, NOTIFY_ACTION_MODIFIED,
2471 FILE_NOTIFY_CHANGE_ATTRIBUTES,
2472 fsp->fsp_name->base_name);
2478 struct vfs_gpfs_pwrite_state {
2479 struct files_struct *fsp;
2482 struct vfs_aio_state vfs_aio_state;
2485 static void vfs_gpfs_pwrite_done(struct tevent_req *subreq);
2487 static struct tevent_req *vfs_gpfs_pwrite_send(
2488 struct vfs_handle_struct *handle,
2489 TALLOC_CTX *mem_ctx,
2490 struct tevent_context *ev,
2491 struct files_struct *fsp,
2492 const void *data, size_t n,
2495 struct tevent_req *req, *subreq;
2496 struct vfs_gpfs_pwrite_state *state;
2498 req = tevent_req_create(mem_ctx, &state, struct vfs_gpfs_pwrite_state);
2502 state->was_offline = vfs_gpfs_fsp_is_offline(handle, fsp);
2504 subreq = SMB_VFS_NEXT_PWRITE_SEND(state, ev, handle, fsp, data,
2506 if (tevent_req_nomem(subreq, req)) {
2507 return tevent_req_post(req, ev);
2509 tevent_req_set_callback(subreq, vfs_gpfs_pwrite_done, req);
2513 static void vfs_gpfs_pwrite_done(struct tevent_req *subreq)
2515 struct tevent_req *req = tevent_req_callback_data(
2516 subreq, struct tevent_req);
2517 struct vfs_gpfs_pwrite_state *state = tevent_req_data(
2518 req, struct vfs_gpfs_pwrite_state);
2520 state->ret = SMB_VFS_PWRITE_RECV(subreq, &state->vfs_aio_state);
2521 TALLOC_FREE(subreq);
2522 tevent_req_done(req);
2525 static ssize_t vfs_gpfs_pwrite_recv(struct tevent_req *req,
2526 struct vfs_aio_state *vfs_aio_state)
2528 struct vfs_gpfs_pwrite_state *state = tevent_req_data(
2529 req, struct vfs_gpfs_pwrite_state);
2530 struct files_struct *fsp = state->fsp;
2532 if (tevent_req_is_unix_error(req, &vfs_aio_state->error)) {
2535 *vfs_aio_state = state->vfs_aio_state;
2537 if ((state->ret != -1) && state->was_offline) {
2538 DEBUG(10, ("sending notify\n"));
2539 notify_fname(fsp->conn, NOTIFY_ACTION_MODIFIED,
2540 FILE_NOTIFY_CHANGE_ATTRIBUTES,
2541 fsp->fsp_name->base_name);
2548 static struct vfs_fn_pointers vfs_gpfs_fns = {
2549 .connect_fn = vfs_gpfs_connect,
2550 .disk_free_fn = vfs_gpfs_disk_free,
2551 .get_quota_fn = vfs_gpfs_get_quota,
2552 .fs_capabilities_fn = vfs_gpfs_capabilities,
2553 .filesystem_sharemode_fn = vfs_gpfs_filesystem_sharemode,
2554 .linux_setlease_fn = vfs_gpfs_setlease,
2555 .get_real_filename_at_fn = vfs_gpfs_get_real_filename_at,
2556 .get_dos_attributes_send_fn = vfs_not_implemented_get_dos_attributes_send,
2557 .get_dos_attributes_recv_fn = vfs_not_implemented_get_dos_attributes_recv,
2558 .fget_dos_attributes_fn = vfs_gpfs_fget_dos_attributes,
2559 .fset_dos_attributes_fn = vfs_gpfs_fset_dos_attributes,
2560 .fget_nt_acl_fn = gpfsacl_fget_nt_acl,
2561 .fset_nt_acl_fn = gpfsacl_fset_nt_acl,
2562 .sys_acl_get_fd_fn = gpfsacl_sys_acl_get_fd,
2563 .sys_acl_blob_get_fd_fn = gpfsacl_sys_acl_blob_get_fd,
2564 .sys_acl_set_fd_fn = gpfsacl_sys_acl_set_fd,
2565 .sys_acl_delete_def_fd_fn = gpfsacl_sys_acl_delete_def_fd,
2566 .fchmod_fn = vfs_gpfs_fchmod,
2567 .close_fn = vfs_gpfs_close,
2568 .stat_fn = vfs_gpfs_stat,
2569 .lstat_fn = vfs_gpfs_lstat,
2570 .fntimes_fn = vfs_gpfs_fntimes,
2571 .aio_force_fn = vfs_gpfs_aio_force,
2572 .sendfile_fn = vfs_gpfs_sendfile,
2573 .fallocate_fn = vfs_gpfs_fallocate,
2574 .openat_fn = vfs_gpfs_openat,
2575 .pread_fn = vfs_gpfs_pread,
2576 .pread_send_fn = vfs_gpfs_pread_send,
2577 .pread_recv_fn = vfs_gpfs_pread_recv,
2578 .pwrite_fn = vfs_gpfs_pwrite,
2579 .pwrite_send_fn = vfs_gpfs_pwrite_send,
2580 .pwrite_recv_fn = vfs_gpfs_pwrite_recv,
2581 .ftruncate_fn = vfs_gpfs_ftruncate
2585 NTSTATUS vfs_gpfs_init(TALLOC_CTX *ctx)
2589 ret = gpfswrap_init();
2591 DEBUG(1, ("Could not initialize GPFS library wrapper\n"));
2594 return smb_register_vfs(SMB_VFS_INTERFACE_VERSION, "gpfs",