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(struct files_struct *fsp,
430 int ret, saved_errno;
432 set_effective_capability(DAC_OVERRIDE_CAPABILITY);
434 ret = gpfswrap_fgetacl(fsp_get_pathref_fd(fsp), flags, buf);
437 drop_effective_capability(DAC_OVERRIDE_CAPABILITY);
444 * get the ACL from GPFS, allocated on the specified mem_ctx
445 * internally retries when initial buffer was too small
447 * caller needs to cast result to either
448 * raw = yes: struct gpfs_opaque_acl
449 * raw = no: struct gpfs_acl
452 static void *vfs_gpfs_getacl(TALLOC_CTX *mem_ctx,
453 struct files_struct *fsp,
455 const gpfs_aclType_t type)
457 const char *fname = fsp->fsp_name->base_name;
463 bool use_capability = false;
467 aclbuf = talloc_zero_size(mem_ctx, size);
468 if (aclbuf == NULL) {
474 struct gpfs_opaque_acl *buf = (struct gpfs_opaque_acl *) aclbuf;
475 buf->acl_type = type;
476 flags = GPFS_GETACL_NATIVE;
477 len = (unsigned int *) &(buf->acl_buffer_len);
478 struct_size = sizeof(struct gpfs_opaque_acl);
480 struct gpfs_acl *buf = (struct gpfs_acl *) aclbuf;
481 buf->acl_type = type;
482 buf->acl_level = GPFS_ACL_LEVEL_V4FLAGS;
483 flags = GPFS_GETACL_STRUCT;
484 len = &(buf->acl_len);
485 /* reserve space for control flags in gpfs 3.5 and beyond */
486 struct_size = sizeof(struct gpfs_acl) + sizeof(unsigned int);
489 /* set the length of the buffer as input value */
492 if (use_capability) {
493 ret = gpfs_getacl_with_capability(fsp, flags, aclbuf);
495 ret = gpfswrap_fgetacl(fsp_get_pathref_fd(fsp), flags, aclbuf);
496 if ((ret != 0) && (errno == EACCES)) {
497 DBG_DEBUG("Retry with DAC capability for %s\n", fname);
498 use_capability = true;
499 ret = gpfs_getacl_with_capability(fsp, flags, aclbuf);
503 if ((ret != 0) && (errno == ENOSPC)) {
505 * get the size needed to accommodate the complete buffer
507 * the value returned only applies to the ACL blob in the
508 * struct so make sure to also have headroom for the first
509 * struct members by adding room for the complete struct
510 * (might be a few bytes too much then)
512 size = *len + struct_size;
514 DEBUG(10, ("Increasing ACL buffer size to %zu\n", size));
519 DEBUG(5, ("smbd_gpfs_getacl failed with %s\n",
528 /* Tries to get nfs4 acls and returns SMB ACL allocated.
529 * On failure returns 1 if it got non-NFSv4 ACL to prompt
530 * retry with POSIX ACL checks.
531 * On failure returns -1 if there is system (GPFS) error, check errno.
532 * Returns 0 on success
534 static int gpfs_get_nfs4_acl(TALLOC_CTX *mem_ctx,
535 struct files_struct *fsp,
536 struct SMB4ACL_T **ppacl)
538 const char *fname = fsp->fsp_name->base_name;
540 struct gpfs_acl *gacl = NULL;
541 DEBUG(10, ("gpfs_get_nfs4_acl invoked for %s\n", fname));
544 gacl = (struct gpfs_acl*) vfs_gpfs_getacl(talloc_tos(), fsp,
547 DEBUG(9, ("gpfs_getacl failed for %s with %s\n",
548 fname, strerror(errno)));
549 if (errno == ENODATA) {
551 * GPFS returns ENODATA for snapshot
552 * directories. Retry with POSIX ACLs check.
560 if (gacl->acl_type != GPFS_ACL_TYPE_NFS4) {
561 DEBUG(10, ("Got non-nfsv4 acl\n"));
562 /* Retry with POSIX ACLs check */
567 *ppacl = smb_create_smb4acl(mem_ctx);
569 if (gacl->acl_level == GPFS_ACL_LEVEL_V4FLAGS) {
570 uint16_t control = gpfs2sd_control(gpfs_acl_flags(gacl));
571 smbacl4_set_controlflags(*ppacl, control);
574 DEBUG(10, ("len: %d, level: %d, version: %d, nace: %d, control: %x\n",
575 gacl->acl_len, gacl->acl_level, gacl->acl_version,
576 gacl->acl_nace, gpfs_acl_flags(gacl)));
578 for (i=0; i<gacl->acl_nace; i++) {
579 struct gpfs_ace_v4 *gace = gpfs_ace_ptr(gacl, i);
580 SMB_ACE4PROP_T smbace = { 0 };
581 DEBUG(10, ("type: %d, iflags: %x, flags: %x, mask: %x, "
582 "who: %d\n", gace->aceType, gace->aceIFlags,
583 gace->aceFlags, gace->aceMask, gace->aceWho));
585 if (gace->aceIFlags & ACE4_IFLAG_SPECIAL_ID) {
586 smbace.flags |= SMB_ACE4_ID_SPECIAL;
587 switch (gace->aceWho) {
588 case ACE4_SPECIAL_OWNER:
589 smbace.who.special_id = SMB_ACE4_WHO_OWNER;
591 case ACE4_SPECIAL_GROUP:
592 smbace.who.special_id = SMB_ACE4_WHO_GROUP;
594 case ACE4_SPECIAL_EVERYONE:
595 smbace.who.special_id = SMB_ACE4_WHO_EVERYONE;
598 DEBUG(8, ("invalid special gpfs id %d "
599 "ignored\n", gace->aceWho));
600 continue; /* don't add it */
603 if (gace->aceFlags & ACE4_FLAG_GROUP_ID)
604 smbace.who.gid = gace->aceWho;
606 smbace.who.uid = gace->aceWho;
609 /* remove redundant deny entries */
610 if (i > 0 && gace->aceType == SMB_ACE4_ACCESS_DENIED_ACE_TYPE) {
611 struct gpfs_ace_v4 *prev = gpfs_ace_ptr(gacl, i - 1);
612 if (prev->aceType == SMB_ACE4_ACCESS_ALLOWED_ACE_TYPE &&
613 prev->aceFlags == gace->aceFlags &&
614 prev->aceIFlags == gace->aceIFlags &&
615 (gace->aceMask & prev->aceMask) == 0 &&
616 gace->aceWho == prev->aceWho) {
617 /* it's redundant - skip it */
622 smbace.aceType = gace->aceType;
623 smbace.aceFlags = gace->aceFlags;
624 smbace.aceMask = gace->aceMask;
625 smb_add_ace4(*ppacl, &smbace);
633 static NTSTATUS gpfsacl_fget_nt_acl(vfs_handle_struct *handle,
634 files_struct *fsp, uint32_t security_info,
636 struct security_descriptor **ppdesc)
638 struct SMB4ACL_T *pacl = NULL;
640 struct gpfs_config_data *config;
641 TALLOC_CTX *frame = talloc_stackframe();
646 SMB_VFS_HANDLE_GET_DATA(handle, config,
647 struct gpfs_config_data,
648 return NT_STATUS_INTERNAL_ERROR);
651 status = SMB_VFS_NEXT_FGET_NT_ACL(handle, fsp, security_info,
657 result = gpfs_get_nfs4_acl(frame, fsp, &pacl);
660 status = smb_fget_nt_acl_nfs4(fsp, &config->nfs4_params,
662 mem_ctx, ppdesc, pacl);
668 DEBUG(10, ("retrying with posix acl...\n"));
669 status = posix_fget_nt_acl(fsp, security_info,
677 /* GPFS ACL was not read, something wrong happened, error code is set in errno */
678 return map_nt_error_from_unix(errno);
681 static bool vfs_gpfs_nfs4_ace_to_gpfs_ace(SMB_ACE4PROP_T *nfs4_ace,
682 struct gpfs_ace_v4 *gace,
685 gace->aceType = nfs4_ace->aceType;
686 gace->aceFlags = nfs4_ace->aceFlags;
687 gace->aceMask = nfs4_ace->aceMask;
689 if (nfs4_ace->flags & SMB_ACE4_ID_SPECIAL) {
690 switch(nfs4_ace->who.special_id) {
691 case SMB_ACE4_WHO_EVERYONE:
692 gace->aceIFlags = ACE4_IFLAG_SPECIAL_ID;
693 gace->aceWho = ACE4_SPECIAL_EVERYONE;
695 case SMB_ACE4_WHO_OWNER:
697 * With GPFS it is not possible to deny ACL or
698 * attribute access to the owner. Setting an
699 * ACL with such an entry is not possible.
700 * Denying ACL or attribute access for the
701 * owner through a named ACL entry can be
702 * stored in an ACL, it is just not effective.
704 * Map this case to a named entry to allow at
705 * least setting this ACL, which will be
706 * enforced by the smbd permission check. Do
707 * not do this for an inheriting OWNER entry,
708 * as this represents a CREATOR OWNER ACE. The
709 * remaining limitation is that CREATOR OWNER
710 * cannot deny ACL or attribute access.
712 if (!nfs_ace_is_inherit(nfs4_ace) &&
714 SMB_ACE4_ACCESS_DENIED_ACE_TYPE &&
715 nfs4_ace->aceMask & (SMB_ACE4_READ_ATTRIBUTES|
716 SMB_ACE4_WRITE_ATTRIBUTES|
718 SMB_ACE4_WRITE_ACL)) {
720 gace->aceWho = owner_uid;
722 gace->aceIFlags = ACE4_IFLAG_SPECIAL_ID;
723 gace->aceWho = ACE4_SPECIAL_OWNER;
726 case SMB_ACE4_WHO_GROUP:
727 gace->aceIFlags = ACE4_IFLAG_SPECIAL_ID;
728 gace->aceWho = ACE4_SPECIAL_GROUP;
731 DBG_WARNING("Unsupported special_id %d\n",
732 nfs4_ace->who.special_id);
740 gace->aceWho = (nfs4_ace->aceFlags & SMB_ACE4_IDENTIFIER_GROUP) ?
741 nfs4_ace->who.gid : nfs4_ace->who.uid;
746 static struct gpfs_acl *vfs_gpfs_smbacl2gpfsacl(TALLOC_CTX *mem_ctx,
748 struct SMB4ACL_T *smbacl,
751 struct gpfs_acl *gacl;
752 gpfs_aclLen_t gacl_len;
753 struct SMB4ACE_T *smbace;
755 gacl_len = offsetof(gpfs_acl_t, ace_v4) + sizeof(unsigned int)
756 + smb_get_naces(smbacl) * sizeof(gpfs_ace_v4_t);
758 gacl = (struct gpfs_acl *)TALLOC_SIZE(mem_ctx, gacl_len);
760 DEBUG(0, ("talloc failed\n"));
765 gacl->acl_level = GPFS_ACL_LEVEL_BASE;
766 gacl->acl_version = GPFS_ACL_VERSION_NFS4;
767 gacl->acl_type = GPFS_ACL_TYPE_NFS4;
768 gacl->acl_nace = 0; /* change later... */
771 gacl->acl_level = GPFS_ACL_LEVEL_V4FLAGS;
772 sd2gpfs_control(smbacl4_get_controlflags(smbacl), gacl);
775 for (smbace=smb_first_ace4(smbacl); smbace!=NULL; smbace = smb_next_ace4(smbace)) {
776 struct gpfs_ace_v4 *gace = gpfs_ace_ptr(gacl, gacl->acl_nace);
777 SMB_ACE4PROP_T *aceprop = smb_get_ace4(smbace);
780 add_ace = vfs_gpfs_nfs4_ace_to_gpfs_ace(aceprop, gace,
781 fsp->fsp_name->st.st_ex_uid);
788 gacl->acl_len = (char *)gpfs_ace_ptr(gacl, gacl->acl_nace)
793 static bool gpfsacl_process_smbacl(vfs_handle_struct *handle,
795 struct SMB4ACL_T *smbacl)
798 struct gpfs_acl *gacl;
799 TALLOC_CTX *mem_ctx = talloc_tos();
801 gacl = vfs_gpfs_smbacl2gpfsacl(mem_ctx, fsp, smbacl, true);
802 if (gacl == NULL) { /* out of memory */
805 ret = gpfswrap_putacl(fsp->fsp_name->base_name,
806 GPFS_PUTACL_STRUCT | GPFS_ACL_SAMBA, gacl);
808 if ((ret != 0) && (errno == EINVAL)) {
809 DEBUG(10, ("Retry without nfs41 control flags\n"));
811 gacl = vfs_gpfs_smbacl2gpfsacl(mem_ctx, fsp, smbacl, false);
812 if (gacl == NULL) { /* out of memory */
815 ret = gpfswrap_putacl(fsp->fsp_name->base_name,
816 GPFS_PUTACL_STRUCT | GPFS_ACL_SAMBA,
821 DEBUG(8, ("gpfs_putacl failed with %s\n", strerror(errno)));
822 gpfs_dumpacl(8, gacl);
826 DEBUG(10, ("gpfs_putacl succeeded\n"));
830 static NTSTATUS gpfsacl_set_nt_acl_internal(vfs_handle_struct *handle, files_struct *fsp, uint32_t security_info_sent, const struct security_descriptor *psd)
832 struct gpfs_acl *acl;
833 NTSTATUS result = NT_STATUS_ACCESS_DENIED;
835 acl = (struct gpfs_acl*) vfs_gpfs_getacl(talloc_tos(),
839 return map_nt_error_from_unix(errno);
842 if (acl->acl_version == GPFS_ACL_VERSION_NFS4) {
843 struct gpfs_config_data *config;
845 if (lp_parm_bool(fsp->conn->params->service, "gpfs",
846 "refuse_dacl_protected", false)
847 && (psd->type&SEC_DESC_DACL_PROTECTED)) {
848 DEBUG(2, ("Rejecting unsupported ACL with DACL_PROTECTED bit set\n"));
850 return NT_STATUS_NOT_SUPPORTED;
853 SMB_VFS_HANDLE_GET_DATA(handle, config,
854 struct gpfs_config_data,
855 return NT_STATUS_INTERNAL_ERROR);
857 result = smb_set_nt_acl_nfs4(handle,
858 fsp, &config->nfs4_params, security_info_sent, psd,
859 gpfsacl_process_smbacl);
860 } else { /* assume POSIX ACL - by default... */
861 result = set_nt_acl(fsp, security_info_sent, psd);
868 static NTSTATUS gpfsacl_fset_nt_acl(vfs_handle_struct *handle, files_struct *fsp, uint32_t security_info_sent, const struct security_descriptor *psd)
870 struct gpfs_config_data *config;
872 SMB_VFS_HANDLE_GET_DATA(handle, config,
873 struct gpfs_config_data,
874 return NT_STATUS_INTERNAL_ERROR);
877 return SMB_VFS_NEXT_FSET_NT_ACL(handle, fsp, security_info_sent, psd);
880 return gpfsacl_set_nt_acl_internal(handle, fsp, security_info_sent, psd);
883 static SMB_ACL_T gpfs2smb_acl(const struct gpfs_acl *pacl, TALLOC_CTX *mem_ctx)
888 result = sys_acl_init(mem_ctx);
889 if (result == NULL) {
894 result->count = pacl->acl_nace;
895 result->acl = talloc_realloc(result, result->acl, struct smb_acl_entry,
897 if (result->acl == NULL) {
903 for (i=0; i<pacl->acl_nace; i++) {
904 struct smb_acl_entry *ace = &result->acl[i];
905 const struct gpfs_ace_v1 *g_ace = &pacl->ace_v1[i];
907 DEBUG(10, ("Converting type %d id %lu perm %x\n",
908 (int)g_ace->ace_type, (unsigned long)g_ace->ace_who,
909 (int)g_ace->ace_perm));
911 switch (g_ace->ace_type) {
913 ace->a_type = SMB_ACL_USER;
914 ace->info.user.uid = (uid_t)g_ace->ace_who;
916 case GPFS_ACL_USER_OBJ:
917 ace->a_type = SMB_ACL_USER_OBJ;
920 ace->a_type = SMB_ACL_GROUP;
921 ace->info.group.gid = (gid_t)g_ace->ace_who;
923 case GPFS_ACL_GROUP_OBJ:
924 ace->a_type = SMB_ACL_GROUP_OBJ;
927 ace->a_type = SMB_ACL_OTHER;
930 ace->a_type = SMB_ACL_MASK;
933 DEBUG(10, ("Got invalid ace_type: %d\n",
941 ace->a_perm |= (g_ace->ace_perm & ACL_PERM_READ) ?
943 ace->a_perm |= (g_ace->ace_perm & ACL_PERM_WRITE) ?
945 ace->a_perm |= (g_ace->ace_perm & ACL_PERM_EXECUTE) ?
948 DEBUGADD(10, ("Converted to %d perm %x\n",
949 ace->a_type, ace->a_perm));
955 static SMB_ACL_T gpfsacl_get_posix_acl(struct files_struct *fsp,
959 struct gpfs_acl *pacl;
960 SMB_ACL_T result = NULL;
962 pacl = vfs_gpfs_getacl(talloc_tos(), fsp, false, type);
965 DBG_DEBUG("vfs_gpfs_getacl failed for %s with %s\n",
966 fsp_str_dbg(fsp), strerror(errno));
973 if (pacl->acl_version != GPFS_ACL_VERSION_POSIX) {
974 DEBUG(10, ("Got acl version %d, expected %d\n",
975 pacl->acl_version, GPFS_ACL_VERSION_POSIX));
980 DEBUG(10, ("len: %d, level: %d, version: %d, nace: %d\n",
981 pacl->acl_len, pacl->acl_level, pacl->acl_version,
984 result = gpfs2smb_acl(pacl, mem_ctx);
985 if (result != NULL) {
1000 static SMB_ACL_T gpfsacl_sys_acl_get_fd(vfs_handle_struct *handle,
1002 SMB_ACL_TYPE_T type,
1003 TALLOC_CTX *mem_ctx)
1005 gpfs_aclType_t gpfs_type;
1006 struct gpfs_config_data *config;
1008 SMB_VFS_HANDLE_GET_DATA(handle, config,
1009 struct gpfs_config_data,
1013 return SMB_VFS_NEXT_SYS_ACL_GET_FD(handle, fsp, type, mem_ctx);
1017 case SMB_ACL_TYPE_ACCESS:
1018 gpfs_type = GPFS_ACL_TYPE_ACCESS;
1020 case SMB_ACL_TYPE_DEFAULT:
1021 gpfs_type = GPFS_ACL_TYPE_DEFAULT;
1024 DEBUG(0, ("Got invalid type: %d\n", type));
1025 smb_panic("exiting");
1027 return gpfsacl_get_posix_acl(fsp, gpfs_type, mem_ctx);
1030 static int gpfsacl_sys_acl_blob_get_fd(vfs_handle_struct *handle,
1032 TALLOC_CTX *mem_ctx,
1033 char **blob_description,
1036 struct gpfs_config_data *config;
1037 struct gpfs_opaque_acl *acl = NULL;
1041 SMB_VFS_HANDLE_GET_DATA(handle, config,
1042 struct gpfs_config_data,
1046 return SMB_VFS_NEXT_SYS_ACL_BLOB_GET_FD(handle, fsp, mem_ctx,
1047 blob_description, blob);
1051 acl = (struct gpfs_opaque_acl *) vfs_gpfs_getacl(mem_ctx,
1054 GPFS_ACL_TYPE_NFS4);
1057 DEBUG(5, ("vfs_gpfs_getacl finished with errno %d: %s\n",
1058 errno, strerror(errno)));
1060 /* EINVAL means POSIX ACL, bail out on other cases */
1061 if (errno != EINVAL) {
1068 * file has NFSv4 ACL
1070 * we only need the actual ACL blob here
1071 * acl_version will always be NFS4 because we asked
1073 * acl_type is only used for POSIX ACLs
1075 aclblob.data = (uint8_t*) acl->acl_var_data;
1076 aclblob.length = acl->acl_buffer_len;
1078 *blob_description = talloc_strdup(mem_ctx, "gpfs_nfs4_acl");
1079 if (!*blob_description) {
1085 result = non_posix_sys_acl_blob_get_fd_helper(handle, fsp,
1093 /* fall back to POSIX ACL */
1094 return posix_sys_acl_blob_get_fd(handle, fsp, mem_ctx,
1095 blob_description, blob);
1098 static struct gpfs_acl *smb2gpfs_acl(const SMB_ACL_T pacl,
1099 SMB_ACL_TYPE_T type)
1102 struct gpfs_acl *result;
1105 DEBUG(10, ("smb2gpfs_acl: Got ACL with %d entries\n", pacl->count));
1107 len = offsetof(gpfs_acl_t, ace_v1) + (pacl->count) *
1108 sizeof(gpfs_ace_v1_t);
1110 result = (struct gpfs_acl *)SMB_MALLOC(len);
1111 if (result == NULL) {
1116 result->acl_len = len;
1117 result->acl_level = 0;
1118 result->acl_version = GPFS_ACL_VERSION_POSIX;
1119 result->acl_type = (type == SMB_ACL_TYPE_DEFAULT) ?
1120 GPFS_ACL_TYPE_DEFAULT : GPFS_ACL_TYPE_ACCESS;
1121 result->acl_nace = pacl->count;
1123 for (i=0; i<pacl->count; i++) {
1124 const struct smb_acl_entry *ace = &pacl->acl[i];
1125 struct gpfs_ace_v1 *g_ace = &result->ace_v1[i];
1127 DEBUG(10, ("Converting type %d perm %x\n",
1128 (int)ace->a_type, (int)ace->a_perm));
1130 g_ace->ace_perm = 0;
1132 switch(ace->a_type) {
1134 g_ace->ace_type = GPFS_ACL_USER;
1135 g_ace->ace_who = (gpfs_uid_t)ace->info.user.uid;
1137 case SMB_ACL_USER_OBJ:
1138 g_ace->ace_type = GPFS_ACL_USER_OBJ;
1139 g_ace->ace_perm |= ACL_PERM_CONTROL;
1143 g_ace->ace_type = GPFS_ACL_GROUP;
1144 g_ace->ace_who = (gpfs_uid_t)ace->info.group.gid;
1146 case SMB_ACL_GROUP_OBJ:
1147 g_ace->ace_type = GPFS_ACL_GROUP_OBJ;
1151 g_ace->ace_type = GPFS_ACL_MASK;
1152 g_ace->ace_perm = 0x8f;
1156 g_ace->ace_type = GPFS_ACL_OTHER;
1160 DEBUG(10, ("Got invalid ace_type: %d\n", ace->a_type));
1166 g_ace->ace_perm |= (ace->a_perm & SMB_ACL_READ) ?
1168 g_ace->ace_perm |= (ace->a_perm & SMB_ACL_WRITE) ?
1170 g_ace->ace_perm |= (ace->a_perm & SMB_ACL_EXECUTE) ?
1171 ACL_PERM_EXECUTE : 0;
1173 DEBUGADD(10, ("Converted to %d id %d perm %x\n",
1174 g_ace->ace_type, g_ace->ace_who, g_ace->ace_perm));
1180 static int gpfsacl_sys_acl_set_fd(vfs_handle_struct *handle,
1182 SMB_ACL_TYPE_T type,
1185 struct gpfs_config_data *config;
1186 struct gpfs_acl *gpfs_acl = NULL;
1189 SMB_VFS_HANDLE_GET_DATA(handle, config,
1190 struct gpfs_config_data,
1194 return SMB_VFS_NEXT_SYS_ACL_SET_FD(handle, fsp, type, theacl);
1197 gpfs_acl = smb2gpfs_acl(theacl, type);
1198 if (gpfs_acl == NULL) {
1203 * This is no longer a handle based call.
1205 result = gpfswrap_putacl(fsp->fsp_name->base_name,
1206 GPFS_PUTACL_STRUCT|GPFS_ACL_SAMBA,
1208 SAFE_FREE(gpfs_acl);
1212 static int gpfsacl_sys_acl_delete_def_fd(vfs_handle_struct *handle,
1215 struct gpfs_config_data *config;
1217 SMB_VFS_HANDLE_GET_DATA(handle, config,
1218 struct gpfs_config_data,
1222 return SMB_VFS_NEXT_SYS_ACL_DELETE_DEF_FD(handle, fsp);
1231 * Assumed: mode bits are shiftable and standard
1232 * Output: the new aceMask field for an smb nfs4 ace
1234 static uint32_t gpfsacl_mask_filter(uint32_t aceType, uint32_t aceMask, uint32_t rwx)
1236 const uint32_t posix_nfs4map[3] = {
1237 SMB_ACE4_EXECUTE, /* execute */
1238 SMB_ACE4_WRITE_DATA | SMB_ACE4_APPEND_DATA, /* write; GPFS specific */
1239 SMB_ACE4_READ_DATA /* read */
1242 uint32_t posix_mask = 0x01;
1246 for(i=0; i<3; i++) {
1247 nfs4_bits = posix_nfs4map[i];
1248 posix_bit = rwx & posix_mask;
1250 if (aceType==SMB_ACE4_ACCESS_ALLOWED_ACE_TYPE) {
1252 aceMask |= nfs4_bits;
1254 aceMask &= ~nfs4_bits;
1256 /* add deny bits when suitable */
1258 aceMask |= nfs4_bits;
1260 aceMask &= ~nfs4_bits;
1261 } /* other ace types are unexpected */
1269 static int gpfsacl_emu_chmod(vfs_handle_struct *handle,
1270 struct files_struct *fsp,
1273 struct smb_filename *fname = fsp->fsp_name;
1274 char *path = fsp->fsp_name->base_name;
1275 struct SMB4ACL_T *pacl = NULL;
1277 bool haveAllowEntry[SMB_ACE4_WHO_EVERYONE + 1] = {False, False, False, False};
1279 files_struct fake_fsp = { 0 }; /* TODO: rationalize parametrization */
1280 struct SMB4ACE_T *smbace;
1281 TALLOC_CTX *frame = talloc_stackframe();
1283 DEBUG(10, ("gpfsacl_emu_chmod invoked for %s mode %o\n", path, mode));
1285 result = gpfs_get_nfs4_acl(frame, fsp, &pacl);
1291 if (mode & ~(S_IRWXU | S_IRWXG | S_IRWXO)) {
1292 DEBUG(2, ("WARNING: cutting extra mode bits %o on %s\n", mode, path));
1295 for (smbace=smb_first_ace4(pacl); smbace!=NULL; smbace = smb_next_ace4(smbace)) {
1296 SMB_ACE4PROP_T *ace = smb_get_ace4(smbace);
1297 uint32_t specid = ace->who.special_id;
1299 if (ace->flags&SMB_ACE4_ID_SPECIAL &&
1300 ace->aceType<=SMB_ACE4_ACCESS_DENIED_ACE_TYPE &&
1301 specid <= SMB_ACE4_WHO_EVERYONE) {
1305 if (ace->aceType==SMB_ACE4_ACCESS_ALLOWED_ACE_TYPE)
1306 haveAllowEntry[specid] = True;
1308 /* mode >> 6 for @owner, mode >> 3 for @group,
1309 * mode >> 0 for @everyone */
1310 newMask = gpfsacl_mask_filter(ace->aceType, ace->aceMask,
1311 mode >> ((SMB_ACE4_WHO_EVERYONE - specid) * 3));
1312 if (ace->aceMask!=newMask) {
1313 DEBUG(10, ("ace changed for %s (%o -> %o) id=%d\n",
1314 path, ace->aceMask, newMask, specid));
1316 ace->aceMask = newMask;
1320 /* make sure we have at least ALLOW entries
1321 * for all the 3 special ids (@EVERYONE, @OWNER, @GROUP)
1324 for(i = SMB_ACE4_WHO_OWNER; i<=SMB_ACE4_WHO_EVERYONE; i++) {
1325 SMB_ACE4PROP_T ace = { 0 };
1327 if (haveAllowEntry[i]==True)
1330 ace.aceType = SMB_ACE4_ACCESS_ALLOWED_ACE_TYPE;
1331 ace.flags |= SMB_ACE4_ID_SPECIAL;
1332 ace.who.special_id = i;
1334 if (i==SMB_ACE4_WHO_GROUP) /* not sure it's necessary... */
1335 ace.aceFlags |= SMB_ACE4_IDENTIFIER_GROUP;
1337 ace.aceMask = gpfsacl_mask_filter(ace.aceType, ace.aceMask,
1338 mode >> ((SMB_ACE4_WHO_EVERYONE - i) * 3));
1340 /* don't add unnecessary aces */
1344 /* we add it to the END - as windows expects allow aces */
1345 smb_add_ace4(pacl, &ace);
1346 DEBUG(10, ("Added ALLOW ace for %s, mode=%o, id=%d, aceMask=%x\n",
1347 path, mode, i, ace.aceMask));
1350 /* don't add complementary DENY ACEs here */
1351 fake_fsp.fsp_name = synthetic_smb_fname(frame,
1357 if (fake_fsp.fsp_name == NULL) {
1363 if (gpfsacl_process_smbacl(handle, &fake_fsp, pacl) == False) {
1369 return 0; /* ok for [f]chmod */
1372 static int vfs_gpfs_fchmod(vfs_handle_struct *handle, files_struct *fsp, mode_t mode)
1377 rc = SMB_VFS_NEXT_FSTAT(handle, fsp, &st);
1382 /* avoid chmod() if possible, to preserve acls */
1383 if ((st.st_ex_mode & ~S_IFMT) == mode) {
1387 rc = gpfsacl_emu_chmod(handle, fsp, mode);
1389 return SMB_VFS_NEXT_FCHMOD(handle, fsp, mode);
1394 static uint32_t vfs_gpfs_winattrs_to_dosmode(unsigned int winattrs)
1396 uint32_t dosmode = 0;
1398 if (winattrs & GPFS_WINATTR_ARCHIVE){
1399 dosmode |= FILE_ATTRIBUTE_ARCHIVE;
1401 if (winattrs & GPFS_WINATTR_HIDDEN){
1402 dosmode |= FILE_ATTRIBUTE_HIDDEN;
1404 if (winattrs & GPFS_WINATTR_SYSTEM){
1405 dosmode |= FILE_ATTRIBUTE_SYSTEM;
1407 if (winattrs & GPFS_WINATTR_READONLY){
1408 dosmode |= FILE_ATTRIBUTE_READONLY;
1410 if (winattrs & GPFS_WINATTR_SPARSE_FILE) {
1411 dosmode |= FILE_ATTRIBUTE_SPARSE;
1413 if (winattrs & GPFS_WINATTR_OFFLINE) {
1414 dosmode |= FILE_ATTRIBUTE_OFFLINE;
1420 static unsigned int vfs_gpfs_dosmode_to_winattrs(uint32_t dosmode)
1422 unsigned int winattrs = 0;
1424 if (dosmode & FILE_ATTRIBUTE_ARCHIVE){
1425 winattrs |= GPFS_WINATTR_ARCHIVE;
1427 if (dosmode & FILE_ATTRIBUTE_HIDDEN){
1428 winattrs |= GPFS_WINATTR_HIDDEN;
1430 if (dosmode & FILE_ATTRIBUTE_SYSTEM){
1431 winattrs |= GPFS_WINATTR_SYSTEM;
1433 if (dosmode & FILE_ATTRIBUTE_READONLY){
1434 winattrs |= GPFS_WINATTR_READONLY;
1436 if (dosmode & FILE_ATTRIBUTE_SPARSE) {
1437 winattrs |= GPFS_WINATTR_SPARSE_FILE;
1439 if (dosmode & FILE_ATTRIBUTE_OFFLINE) {
1440 winattrs |= GPFS_WINATTR_OFFLINE;
1446 static struct timespec gpfs_timestruc64_to_timespec(struct gpfs_timestruc64 g)
1448 return (struct timespec) { .tv_sec = g.tv_sec, .tv_nsec = g.tv_nsec };
1451 static NTSTATUS vfs_gpfs_fget_dos_attributes(struct vfs_handle_struct *handle,
1452 struct files_struct *fsp,
1455 struct gpfs_config_data *config;
1456 int fd = fsp_get_pathref_fd(fsp);
1458 const char *p = NULL;
1459 struct gpfs_iattr64 iattr = { };
1460 unsigned int litemask = 0;
1464 SMB_VFS_HANDLE_GET_DATA(handle, config,
1465 struct gpfs_config_data,
1466 return NT_STATUS_INTERNAL_ERROR);
1468 if (!config->winattr) {
1469 return SMB_VFS_NEXT_FGET_DOS_ATTRIBUTES(handle, fsp, dosmode);
1472 if (fsp->fsp_flags.is_pathref && !config->pathref_ok.gpfs_fstat_x) {
1473 if (fsp->fsp_flags.have_proc_fds) {
1474 p = sys_proc_fd_path(fd, buf, sizeof(buf));
1476 return NT_STATUS_NO_MEMORY;
1479 p = fsp->fsp_name->base_name;
1484 ret = gpfswrap_stat_x(p, &litemask, &iattr, sizeof(iattr));
1486 ret = gpfswrap_fstat_x(fd, &litemask, &iattr, sizeof(iattr));
1488 if (ret == -1 && errno == ENOSYS) {
1489 return SMB_VFS_NEXT_FGET_DOS_ATTRIBUTES(handle, fsp, dosmode);
1492 if (ret == -1 && errno == EACCES) {
1493 int saved_errno = 0;
1496 * According to MS-FSA 2.1.5.1.2.1 "Algorithm to Check Access to
1497 * an Existing File" FILE_LIST_DIRECTORY on a directory implies
1498 * FILE_READ_ATTRIBUTES for directory entries. Being able to
1499 * open a file implies FILE_LIST_DIRECTORY.
1502 set_effective_capability(DAC_OVERRIDE_CAPABILITY);
1505 ret = gpfswrap_stat_x(p,
1510 ret = gpfswrap_fstat_x(fd,
1516 saved_errno = errno;
1519 drop_effective_capability(DAC_OVERRIDE_CAPABILITY);
1521 if (saved_errno != 0) {
1522 errno = saved_errno;
1527 DBG_WARNING("Getting winattrs failed for %s: %s\n",
1528 fsp->fsp_name->base_name, strerror(errno));
1529 return map_nt_error_from_unix(errno);
1532 ts = gpfs_timestruc64_to_timespec(iattr.ia_createtime);
1534 *dosmode |= vfs_gpfs_winattrs_to_dosmode(iattr.ia_winflags);
1535 update_stat_ex_create_time(&fsp->fsp_name->st, ts);
1537 return NT_STATUS_OK;
1540 static NTSTATUS vfs_gpfs_fset_dos_attributes(struct vfs_handle_struct *handle,
1541 struct files_struct *fsp,
1544 struct gpfs_config_data *config;
1545 struct gpfs_winattr attrs = { };
1548 SMB_VFS_HANDLE_GET_DATA(handle, config,
1549 struct gpfs_config_data,
1550 return NT_STATUS_INTERNAL_ERROR);
1552 if (!config->winattr) {
1553 return SMB_VFS_NEXT_FSET_DOS_ATTRIBUTES(handle, fsp, dosmode);
1556 attrs.winAttrs = vfs_gpfs_dosmode_to_winattrs(dosmode);
1558 if (!fsp->fsp_flags.is_pathref) {
1559 ret = gpfswrap_set_winattrs(fsp_get_io_fd(fsp),
1560 GPFS_WINATTR_SET_ATTRS, &attrs);
1562 DBG_WARNING("Setting winattrs failed for %s: %s\n",
1563 fsp_str_dbg(fsp), strerror(errno));
1564 return map_nt_error_from_unix(errno);
1566 return NT_STATUS_OK;
1569 if (fsp->fsp_flags.have_proc_fds) {
1570 int fd = fsp_get_pathref_fd(fsp);
1571 const char *p = NULL;
1574 p = sys_proc_fd_path(fd, buf, sizeof(buf));
1576 return NT_STATUS_NO_MEMORY;
1579 ret = gpfswrap_set_winattrs_path(p,
1580 GPFS_WINATTR_SET_ATTRS,
1583 DBG_WARNING("Setting winattrs failed for [%s][%s]: %s\n",
1584 p, fsp_str_dbg(fsp), strerror(errno));
1585 return map_nt_error_from_unix(errno);
1587 return NT_STATUS_OK;
1591 * This is no longer a handle based call.
1593 ret = gpfswrap_set_winattrs_path(fsp->fsp_name->base_name,
1594 GPFS_WINATTR_SET_ATTRS,
1597 DBG_WARNING("Setting winattrs failed for [%s]: %s\n",
1598 fsp_str_dbg(fsp), strerror(errno));
1599 return map_nt_error_from_unix(errno);
1602 return NT_STATUS_OK;
1605 static int stat_with_capability(struct vfs_handle_struct *handle,
1606 struct smb_filename *smb_fname, int flag)
1608 bool fake_dctime = lp_fake_directory_create_times(SNUM(handle->conn));
1611 struct smb_filename *dir_name = NULL;
1612 struct smb_filename *rel_name = NULL;
1615 status = SMB_VFS_PARENT_PATHNAME(handle->conn,
1620 if (!NT_STATUS_IS_OK(status)) {
1621 errno = map_errno_from_nt_status(status);
1625 fd = open(dir_name->base_name, O_RDONLY, 0);
1627 TALLOC_FREE(dir_name);
1631 set_effective_capability(DAC_OVERRIDE_CAPABILITY);
1632 ret = sys_fstatat(fd,
1633 rel_name->base_name,
1638 drop_effective_capability(DAC_OVERRIDE_CAPABILITY);
1640 TALLOC_FREE(dir_name);
1646 static int vfs_gpfs_stat(struct vfs_handle_struct *handle,
1647 struct smb_filename *smb_fname)
1651 ret = SMB_VFS_NEXT_STAT(handle, smb_fname);
1652 if (ret == -1 && errno == EACCES) {
1653 DEBUG(10, ("Trying stat with capability for %s\n",
1654 smb_fname->base_name));
1655 ret = stat_with_capability(handle, smb_fname, 0);
1660 static int vfs_gpfs_lstat(struct vfs_handle_struct *handle,
1661 struct smb_filename *smb_fname)
1665 ret = SMB_VFS_NEXT_LSTAT(handle, smb_fname);
1666 if (ret == -1 && errno == EACCES) {
1667 DEBUG(10, ("Trying lstat with capability for %s\n",
1668 smb_fname->base_name));
1669 ret = stat_with_capability(handle, smb_fname,
1670 AT_SYMLINK_NOFOLLOW);
1675 static void timespec_to_gpfs_time(struct timespec ts, gpfs_timestruc_t *gt,
1676 int idx, int *flags)
1678 if (!is_omit_timespec(&ts)) {
1680 gt[idx].tv_sec = ts.tv_sec;
1681 gt[idx].tv_nsec = ts.tv_nsec;
1682 DEBUG(10, ("Setting GPFS time %d, flags 0x%x\n", idx, *flags));
1686 static int smbd_gpfs_set_times(struct files_struct *fsp,
1687 struct smb_file_time *ft)
1689 gpfs_timestruc_t gpfs_times[4];
1693 ZERO_ARRAY(gpfs_times);
1694 timespec_to_gpfs_time(ft->atime, gpfs_times, 0, &flags);
1695 timespec_to_gpfs_time(ft->mtime, gpfs_times, 1, &flags);
1696 /* No good mapping from LastChangeTime to ctime, not storing */
1697 timespec_to_gpfs_time(ft->create_time, gpfs_times, 3, &flags);
1700 DBG_DEBUG("nothing to do, return to avoid EINVAL\n");
1704 if (!fsp->fsp_flags.is_pathref) {
1705 rc = gpfswrap_set_times(fsp_get_io_fd(fsp), flags, gpfs_times);
1707 DBG_WARNING("gpfs_set_times(%s) failed: %s\n",
1708 fsp_str_dbg(fsp), strerror(errno));
1714 if (fsp->fsp_flags.have_proc_fds) {
1715 int fd = fsp_get_pathref_fd(fsp);
1716 const char *p = NULL;
1719 p = sys_proc_fd_path(fd, buf, sizeof(buf));
1724 rc = gpfswrap_set_times_path(buf, flags, gpfs_times);
1726 DBG_WARNING("gpfs_set_times_path(%s,%s) failed: %s\n",
1727 fsp_str_dbg(fsp), p, strerror(errno));
1733 * This is no longer a handle based call.
1736 rc = gpfswrap_set_times_path(fsp->fsp_name->base_name,
1740 DBG_WARNING("gpfs_set_times_path(%s) failed: %s\n",
1741 fsp_str_dbg(fsp), strerror(errno));
1746 static int vfs_gpfs_fntimes(struct vfs_handle_struct *handle,
1748 struct smb_file_time *ft)
1751 struct gpfs_winattr attrs;
1753 struct gpfs_config_data *config;
1755 SMB_VFS_HANDLE_GET_DATA(handle,
1757 struct gpfs_config_data,
1760 /* Try to use gpfs_set_times if it is enabled and available */
1761 if (config->settimes) {
1762 return smbd_gpfs_set_times(fsp, ft);
1765 DBG_DEBUG("gpfs_set_times() not available or disabled, "
1766 "use ntimes and winattr\n");
1768 ret = SMB_VFS_NEXT_FNTIMES(handle, fsp, ft);
1770 /* don't complain if access was denied */
1771 if (errno != EPERM && errno != EACCES) {
1772 DBG_WARNING("SMB_VFS_NEXT_FNTIMES failed: %s",
1778 if (is_omit_timespec(&ft->create_time)) {
1779 DBG_DEBUG("Create Time is NULL\n");
1783 if (!config->winattr) {
1788 attrs.creationTime.tv_sec = ft->create_time.tv_sec;
1789 attrs.creationTime.tv_nsec = ft->create_time.tv_nsec;
1791 if (!fsp->fsp_flags.is_pathref) {
1792 ret = gpfswrap_set_winattrs(fsp_get_io_fd(fsp),
1793 GPFS_WINATTR_SET_CREATION_TIME,
1795 if (ret == -1 && errno != ENOSYS) {
1796 DBG_WARNING("Set GPFS ntimes failed %d\n", ret);
1802 if (fsp->fsp_flags.have_proc_fds) {
1803 int fd = fsp_get_pathref_fd(fsp);
1804 const char *p = NULL;
1807 p = sys_proc_fd_path(fd, buf, sizeof(buf));
1812 ret = gpfswrap_set_winattrs_path(p,
1813 GPFS_WINATTR_SET_CREATION_TIME,
1815 if (ret == -1 && errno != ENOSYS) {
1816 DBG_WARNING("Set GPFS ntimes failed %d\n", ret);
1823 * This is no longer a handle based call.
1825 ret = gpfswrap_set_winattrs_path(fsp->fsp_name->base_name,
1826 GPFS_WINATTR_SET_CREATION_TIME,
1828 if (ret == -1 && errno != ENOSYS) {
1829 DBG_WARNING("Set GPFS ntimes failed %d\n", ret);
1836 static int vfs_gpfs_fallocate(struct vfs_handle_struct *handle,
1837 struct files_struct *fsp, uint32_t mode,
1838 off_t offset, off_t len)
1840 if (mode == (VFS_FALLOCATE_FL_PUNCH_HOLE|VFS_FALLOCATE_FL_KEEP_SIZE) &&
1841 !fsp->fsp_flags.is_sparse &&
1842 lp_strict_allocate(SNUM(fsp->conn))) {
1844 * This is from a ZERO_DATA request on a non-sparse
1845 * file. GPFS does not support FL_KEEP_SIZE and thus
1846 * cannot fill the whole again in the subsequent
1847 * fallocate(FL_KEEP_SIZE). Deny this FL_PUNCH_HOLE
1848 * call to not end up with a hole in a non-sparse
1855 return SMB_VFS_NEXT_FALLOCATE(handle, fsp, mode, offset, len);
1858 static int vfs_gpfs_ftruncate(vfs_handle_struct *handle, files_struct *fsp,
1862 struct gpfs_config_data *config;
1864 SMB_VFS_HANDLE_GET_DATA(handle, config,
1865 struct gpfs_config_data,
1868 if (!config->ftruncate) {
1869 return SMB_VFS_NEXT_FTRUNCATE(handle, fsp, len);
1872 result = gpfswrap_ftruncate(fsp_get_io_fd(fsp), len);
1873 if ((result == -1) && (errno == ENOSYS)) {
1874 return SMB_VFS_NEXT_FTRUNCATE(handle, fsp, len);
1879 static bool vfs_gpfs_is_offline(struct vfs_handle_struct *handle,
1880 struct files_struct *fsp,
1881 SMB_STRUCT_STAT *sbuf)
1883 struct gpfs_winattr attrs;
1884 struct gpfs_config_data *config;
1887 SMB_VFS_HANDLE_GET_DATA(handle, config,
1888 struct gpfs_config_data,
1891 if (!config->winattr) {
1895 ret = gpfswrap_get_winattrs(fsp_get_pathref_fd(fsp), &attrs);
1900 if ((attrs.winAttrs & GPFS_WINATTR_OFFLINE) != 0) {
1901 DBG_DEBUG("%s is offline\n", fsp_str_dbg(fsp));
1905 DBG_DEBUG("%s is online\n", fsp_str_dbg(fsp));
1909 static bool vfs_gpfs_fsp_is_offline(struct vfs_handle_struct *handle,
1910 struct files_struct *fsp)
1912 struct gpfs_fsp_extension *ext;
1914 ext = VFS_FETCH_FSP_EXTENSION(handle, fsp);
1917 * Something bad happened, always ask.
1919 return vfs_gpfs_is_offline(handle, fsp,
1920 &fsp->fsp_name->st);
1925 * As long as it's offline, ask.
1927 ext->offline = vfs_gpfs_is_offline(handle, fsp,
1928 &fsp->fsp_name->st);
1931 return ext->offline;
1934 static bool vfs_gpfs_aio_force(struct vfs_handle_struct *handle,
1935 struct files_struct *fsp)
1937 return vfs_gpfs_fsp_is_offline(handle, fsp);
1940 static ssize_t vfs_gpfs_sendfile(vfs_handle_struct *handle, int tofd,
1941 files_struct *fsp, const DATA_BLOB *hdr,
1942 off_t offset, size_t n)
1944 if (vfs_gpfs_fsp_is_offline(handle, fsp)) {
1948 return SMB_VFS_NEXT_SENDFILE(handle, tofd, fsp, hdr, offset, n);
1952 static int vfs_gpfs_check_pathref_fstat_x(struct gpfs_config_data *config,
1953 struct connection_struct *conn)
1955 struct gpfs_iattr64 iattr = {0};
1956 unsigned int litemask = 0;
1961 fd = open(conn->connectpath, O_PATH);
1963 DBG_ERR("openat() of share with O_PATH failed: %s\n",
1968 ret = gpfswrap_fstat_x(fd, &litemask, &iattr, sizeof(iattr));
1971 config->pathref_ok.gpfs_fstat_x = true;
1975 saved_errno = errno;
1978 DBG_ERR("close failed: %s\n", strerror(errno));
1982 if (saved_errno != EBADF) {
1983 DBG_ERR("gpfswrap_fstat_x() of O_PATH handle failed: %s\n",
1984 strerror(saved_errno));
1992 static int vfs_gpfs_check_pathref(struct gpfs_config_data *config,
1993 struct connection_struct *conn)
1997 * This code path leaves all struct gpfs_config_data.pathref_ok members
1998 * initialized to false.
2004 ret = vfs_gpfs_check_pathref_fstat_x(config, conn);
2013 static int vfs_gpfs_connect(struct vfs_handle_struct *handle,
2014 const char *service, const char *user)
2016 struct gpfs_config_data *config;
2020 ret = SMB_VFS_NEXT_CONNECT(handle, service, user);
2025 if (IS_IPC(handle->conn)) {
2029 gpfswrap_lib_init(0);
2031 config = talloc_zero(handle->conn, struct gpfs_config_data);
2033 DEBUG(0, ("talloc_zero() failed\n"));
2038 check_fstype = lp_parm_bool(SNUM(handle->conn), "gpfs",
2039 "check_fstype", true);
2042 const char *connectpath = handle->conn->connectpath;
2043 struct statfs buf = { 0 };
2045 ret = statfs(connectpath, &buf);
2047 DBG_ERR("statfs failed for share %s at path %s: %s\n",
2048 service, connectpath, strerror(errno));
2049 TALLOC_FREE(config);
2053 if (buf.f_type != GPFS_SUPER_MAGIC) {
2054 DBG_ERR("SMB share %s, path %s not in GPFS file system."
2055 " statfs magic: 0x%jx\n",
2058 (uintmax_t)buf.f_type);
2060 TALLOC_FREE(config);
2065 ret = smbacl4_get_vfs_params(handle->conn, &config->nfs4_params);
2067 TALLOC_FREE(config);
2071 config->sharemodes = lp_parm_bool(SNUM(handle->conn), "gpfs",
2072 "sharemodes", true);
2074 config->leases = lp_parm_bool(SNUM(handle->conn), "gpfs",
2077 config->hsm = lp_parm_bool(SNUM(handle->conn), "gpfs",
2080 config->syncio = lp_parm_bool(SNUM(handle->conn), "gpfs",
2083 config->winattr = lp_parm_bool(SNUM(handle->conn), "gpfs",
2086 config->ftruncate = lp_parm_bool(SNUM(handle->conn), "gpfs",
2089 config->getrealfilename = lp_parm_bool(SNUM(handle->conn), "gpfs",
2090 "getrealfilename", true);
2092 config->dfreequota = lp_parm_bool(SNUM(handle->conn), "gpfs",
2093 "dfreequota", false);
2095 config->acl = lp_parm_bool(SNUM(handle->conn), "gpfs", "acl", true);
2097 config->settimes = lp_parm_bool(SNUM(handle->conn), "gpfs",
2099 config->recalls = lp_parm_bool(SNUM(handle->conn), "gpfs",
2102 ret = vfs_gpfs_check_pathref(config, handle->conn);
2104 DBG_ERR("vfs_gpfs_check_pathref() on [%s] failed\n",
2105 handle->conn->connectpath);
2106 TALLOC_FREE(config);
2110 SMB_VFS_HANDLE_SET_DATA(handle, config,
2111 NULL, struct gpfs_config_data,
2114 if (config->leases) {
2116 * GPFS lease code is based on kernel oplock code
2117 * so make sure it is turned on
2119 if (!lp_kernel_oplocks(SNUM(handle->conn))) {
2120 DEBUG(5, ("Enabling kernel oplocks for "
2121 "gpfs:leases to work\n"));
2122 lp_do_parameter(SNUM(handle->conn), "kernel oplocks",
2127 * as the kernel does not properly support Level II oplocks
2128 * and GPFS leases code is based on kernel infrastructure, we
2129 * need to turn off Level II oplocks if gpfs:leases is enabled
2131 if (lp_level2_oplocks(SNUM(handle->conn))) {
2132 DEBUG(5, ("gpfs:leases are enabled, disabling "
2133 "Level II oplocks\n"));
2134 lp_do_parameter(SNUM(handle->conn), "level2 oplocks",
2140 * Unless we have an async implementation of get_dos_attributes turn
2143 lp_do_parameter(SNUM(handle->conn), "smbd async dosmode", "false");
2148 static int get_gpfs_quota(const char *pathname, int type, int id,
2149 struct gpfs_quotaInfo *qi)
2153 ret = gpfswrap_quotactl(pathname, GPFS_QCMD(Q_GETQUOTA, type), id, qi);
2156 if (errno == GPFS_E_NO_QUOTA_INST) {
2157 DEBUG(10, ("Quotas disabled on GPFS filesystem.\n"));
2158 } else if (errno != ENOSYS) {
2159 DEBUG(0, ("Get quota failed, type %d, id, %d, "
2160 "errno %d.\n", type, id, errno));
2166 DEBUG(10, ("quota type %d, id %d, blk u:%lld h:%lld s:%lld gt:%u\n",
2167 type, id, qi->blockUsage, qi->blockHardLimit,
2168 qi->blockSoftLimit, qi->blockGraceTime));
2173 static void vfs_gpfs_disk_free_quota(struct gpfs_quotaInfo qi, time_t cur_time,
2174 uint64_t *dfree, uint64_t *dsize)
2176 uint64_t usage, limit;
2179 * The quota reporting is done in units of 1024 byte blocks, but
2180 * sys_fsusage uses units of 512 byte blocks, adjust the block number
2181 * accordingly. Also filter possibly negative usage counts from gpfs.
2183 usage = qi.blockUsage < 0 ? 0 : (uint64_t)qi.blockUsage * 2;
2184 limit = (uint64_t)qi.blockHardLimit * 2;
2187 * When the grace time for the exceeded soft block quota has been
2188 * exceeded, the soft block quota becomes an additional hard limit.
2190 if (qi.blockSoftLimit &&
2191 qi.blockGraceTime && cur_time > qi.blockGraceTime) {
2192 /* report disk as full */
2194 *dsize = MIN(*dsize, usage);
2197 if (!qi.blockHardLimit)
2200 if (usage >= limit) {
2201 /* report disk as full */
2203 *dsize = MIN(*dsize, usage);
2206 /* limit has not been reached, determine "free space" */
2207 *dfree = MIN(*dfree, limit - usage);
2208 *dsize = MIN(*dsize, limit);
2212 static uint64_t vfs_gpfs_disk_free(vfs_handle_struct *handle,
2213 const struct smb_filename *smb_fname,
2218 struct security_unix_token *utok;
2219 struct gpfs_quotaInfo qi_user = { 0 }, qi_group = { 0 };
2220 struct gpfs_config_data *config;
2224 SMB_VFS_HANDLE_GET_DATA(handle, config, struct gpfs_config_data,
2225 return (uint64_t)-1);
2226 if (!config->dfreequota) {
2227 return SMB_VFS_NEXT_DISK_FREE(handle, smb_fname,
2228 bsize, dfree, dsize);
2231 err = sys_fsusage(smb_fname->base_name, dfree, dsize);
2233 DEBUG (0, ("Could not get fs usage, errno %d\n", errno));
2234 return SMB_VFS_NEXT_DISK_FREE(handle, smb_fname,
2235 bsize, dfree, dsize);
2238 /* sys_fsusage returns units of 512 bytes */
2241 DEBUG(10, ("fs dfree %llu, dsize %llu\n",
2242 (unsigned long long)*dfree, (unsigned long long)*dsize));
2244 utok = handle->conn->session_info->unix_token;
2246 err = get_gpfs_quota(smb_fname->base_name,
2247 GPFS_USRQUOTA, utok->uid, &qi_user);
2249 return SMB_VFS_NEXT_DISK_FREE(handle, smb_fname,
2250 bsize, dfree, dsize);
2254 * If new files created under this folder get this folder's
2255 * GID, then available space is governed by the quota of the
2256 * folder's GID, not the primary group of the creating user.
2258 if (VALID_STAT(smb_fname->st) &&
2259 S_ISDIR(smb_fname->st.st_ex_mode) &&
2260 smb_fname->st.st_ex_mode & S_ISGID) {
2262 err = get_gpfs_quota(smb_fname->base_name, GPFS_GRPQUOTA,
2263 smb_fname->st.st_ex_gid, &qi_group);
2267 err = get_gpfs_quota(smb_fname->base_name, GPFS_GRPQUOTA,
2268 utok->gid, &qi_group);
2272 return SMB_VFS_NEXT_DISK_FREE(handle, smb_fname,
2273 bsize, dfree, dsize);
2276 cur_time = time(NULL);
2278 /* Adjust free space and size according to quota limits. */
2279 vfs_gpfs_disk_free_quota(qi_user, cur_time, dfree, dsize);
2280 vfs_gpfs_disk_free_quota(qi_group, cur_time, dfree, dsize);
2285 static int vfs_gpfs_get_quota(vfs_handle_struct *handle,
2286 const struct smb_filename *smb_fname,
2287 enum SMB_QUOTA_TYPE qtype,
2293 * User/group quota are being used for disk-free
2294 * determination, which in this module is done directly
2295 * by the disk-free function. It's important that this
2296 * module does not return wrong quota values by mistake,
2297 * which would modify the correct values set by disk-free.
2298 * User/group quota are also being used for processing
2299 * NT_TRANSACT_GET_USER_QUOTA in smb1 protocol, which is
2300 * currently not supported by this module.
2302 case SMB_USER_QUOTA_TYPE:
2303 case SMB_GROUP_QUOTA_TYPE:
2307 return SMB_VFS_NEXT_GET_QUOTA(handle, smb_fname,
2312 static uint32_t vfs_gpfs_capabilities(struct vfs_handle_struct *handle,
2313 enum timestamp_set_resolution *p_ts_res)
2315 struct gpfs_config_data *config;
2318 next = SMB_VFS_NEXT_FS_CAPABILITIES(handle, p_ts_res);
2320 SMB_VFS_HANDLE_GET_DATA(handle, config,
2321 struct gpfs_config_data,
2325 next |= FILE_SUPPORTS_REMOTE_STORAGE;
2330 static int vfs_gpfs_openat(struct vfs_handle_struct *handle,
2331 const struct files_struct *dirfsp,
2332 const struct smb_filename *smb_fname,
2334 const struct vfs_open_how *_how)
2336 struct vfs_open_how how = *_how;
2337 struct gpfs_config_data *config = NULL;
2338 struct gpfs_fsp_extension *ext = NULL;
2341 SMB_VFS_HANDLE_GET_DATA(handle, config,
2342 struct gpfs_config_data,
2345 if (config->hsm && !config->recalls &&
2346 !fsp->fsp_flags.is_pathref &&
2347 vfs_gpfs_fsp_is_offline(handle, fsp))
2349 DBG_DEBUG("Refusing access to offline file %s\n",
2355 if (config->syncio) {
2356 how.flags |= O_SYNC;
2359 ext = VFS_ADD_FSP_EXTENSION(handle, fsp, struct gpfs_fsp_extension,
2367 * Assume the file is offline until gpfs tells us it's online.
2369 *ext = (struct gpfs_fsp_extension) { .offline = true };
2371 ret = SMB_VFS_NEXT_OPENAT(handle, dirfsp, smb_fname, fsp, &how);
2373 VFS_REMOVE_FSP_EXTENSION(handle, fsp);
2378 static ssize_t vfs_gpfs_pread(vfs_handle_struct *handle, files_struct *fsp,
2379 void *data, size_t n, off_t offset)
2384 was_offline = vfs_gpfs_fsp_is_offline(handle, fsp);
2386 ret = SMB_VFS_NEXT_PREAD(handle, fsp, data, n, offset);
2388 if ((ret != -1) && was_offline) {
2389 notify_fname(handle->conn, NOTIFY_ACTION_MODIFIED,
2390 FILE_NOTIFY_CHANGE_ATTRIBUTES,
2391 fsp->fsp_name->base_name);
2397 struct vfs_gpfs_pread_state {
2398 struct files_struct *fsp;
2401 struct vfs_aio_state vfs_aio_state;
2404 static void vfs_gpfs_pread_done(struct tevent_req *subreq);
2406 static struct tevent_req *vfs_gpfs_pread_send(struct vfs_handle_struct *handle,
2407 TALLOC_CTX *mem_ctx,
2408 struct tevent_context *ev,
2409 struct files_struct *fsp,
2410 void *data, size_t n,
2413 struct tevent_req *req, *subreq;
2414 struct vfs_gpfs_pread_state *state;
2416 req = tevent_req_create(mem_ctx, &state, struct vfs_gpfs_pread_state);
2420 state->was_offline = vfs_gpfs_fsp_is_offline(handle, fsp);
2422 subreq = SMB_VFS_NEXT_PREAD_SEND(state, ev, handle, fsp, data,
2424 if (tevent_req_nomem(subreq, req)) {
2425 return tevent_req_post(req, ev);
2427 tevent_req_set_callback(subreq, vfs_gpfs_pread_done, req);
2431 static void vfs_gpfs_pread_done(struct tevent_req *subreq)
2433 struct tevent_req *req = tevent_req_callback_data(
2434 subreq, struct tevent_req);
2435 struct vfs_gpfs_pread_state *state = tevent_req_data(
2436 req, struct vfs_gpfs_pread_state);
2438 state->ret = SMB_VFS_PREAD_RECV(subreq, &state->vfs_aio_state);
2439 TALLOC_FREE(subreq);
2440 tevent_req_done(req);
2443 static ssize_t vfs_gpfs_pread_recv(struct tevent_req *req,
2444 struct vfs_aio_state *vfs_aio_state)
2446 struct vfs_gpfs_pread_state *state = tevent_req_data(
2447 req, struct vfs_gpfs_pread_state);
2448 struct files_struct *fsp = state->fsp;
2450 if (tevent_req_is_unix_error(req, &vfs_aio_state->error)) {
2453 *vfs_aio_state = state->vfs_aio_state;
2455 if ((state->ret != -1) && state->was_offline) {
2456 DEBUG(10, ("sending notify\n"));
2457 notify_fname(fsp->conn, NOTIFY_ACTION_MODIFIED,
2458 FILE_NOTIFY_CHANGE_ATTRIBUTES,
2459 fsp->fsp_name->base_name);
2465 static ssize_t vfs_gpfs_pwrite(vfs_handle_struct *handle, files_struct *fsp,
2466 const void *data, size_t n, off_t offset)
2471 was_offline = vfs_gpfs_fsp_is_offline(handle, fsp);
2473 ret = SMB_VFS_NEXT_PWRITE(handle, fsp, data, n, offset);
2475 if ((ret != -1) && was_offline) {
2476 notify_fname(handle->conn, NOTIFY_ACTION_MODIFIED,
2477 FILE_NOTIFY_CHANGE_ATTRIBUTES,
2478 fsp->fsp_name->base_name);
2484 struct vfs_gpfs_pwrite_state {
2485 struct files_struct *fsp;
2488 struct vfs_aio_state vfs_aio_state;
2491 static void vfs_gpfs_pwrite_done(struct tevent_req *subreq);
2493 static struct tevent_req *vfs_gpfs_pwrite_send(
2494 struct vfs_handle_struct *handle,
2495 TALLOC_CTX *mem_ctx,
2496 struct tevent_context *ev,
2497 struct files_struct *fsp,
2498 const void *data, size_t n,
2501 struct tevent_req *req, *subreq;
2502 struct vfs_gpfs_pwrite_state *state;
2504 req = tevent_req_create(mem_ctx, &state, struct vfs_gpfs_pwrite_state);
2508 state->was_offline = vfs_gpfs_fsp_is_offline(handle, fsp);
2510 subreq = SMB_VFS_NEXT_PWRITE_SEND(state, ev, handle, fsp, data,
2512 if (tevent_req_nomem(subreq, req)) {
2513 return tevent_req_post(req, ev);
2515 tevent_req_set_callback(subreq, vfs_gpfs_pwrite_done, req);
2519 static void vfs_gpfs_pwrite_done(struct tevent_req *subreq)
2521 struct tevent_req *req = tevent_req_callback_data(
2522 subreq, struct tevent_req);
2523 struct vfs_gpfs_pwrite_state *state = tevent_req_data(
2524 req, struct vfs_gpfs_pwrite_state);
2526 state->ret = SMB_VFS_PWRITE_RECV(subreq, &state->vfs_aio_state);
2527 TALLOC_FREE(subreq);
2528 tevent_req_done(req);
2531 static ssize_t vfs_gpfs_pwrite_recv(struct tevent_req *req,
2532 struct vfs_aio_state *vfs_aio_state)
2534 struct vfs_gpfs_pwrite_state *state = tevent_req_data(
2535 req, struct vfs_gpfs_pwrite_state);
2536 struct files_struct *fsp = state->fsp;
2538 if (tevent_req_is_unix_error(req, &vfs_aio_state->error)) {
2541 *vfs_aio_state = state->vfs_aio_state;
2543 if ((state->ret != -1) && state->was_offline) {
2544 DEBUG(10, ("sending notify\n"));
2545 notify_fname(fsp->conn, NOTIFY_ACTION_MODIFIED,
2546 FILE_NOTIFY_CHANGE_ATTRIBUTES,
2547 fsp->fsp_name->base_name);
2554 static struct vfs_fn_pointers vfs_gpfs_fns = {
2555 .connect_fn = vfs_gpfs_connect,
2556 .disk_free_fn = vfs_gpfs_disk_free,
2557 .get_quota_fn = vfs_gpfs_get_quota,
2558 .fs_capabilities_fn = vfs_gpfs_capabilities,
2559 .filesystem_sharemode_fn = vfs_gpfs_filesystem_sharemode,
2560 .linux_setlease_fn = vfs_gpfs_setlease,
2561 .get_real_filename_at_fn = vfs_gpfs_get_real_filename_at,
2562 .get_dos_attributes_send_fn = vfs_not_implemented_get_dos_attributes_send,
2563 .get_dos_attributes_recv_fn = vfs_not_implemented_get_dos_attributes_recv,
2564 .fget_dos_attributes_fn = vfs_gpfs_fget_dos_attributes,
2565 .fset_dos_attributes_fn = vfs_gpfs_fset_dos_attributes,
2566 .fget_nt_acl_fn = gpfsacl_fget_nt_acl,
2567 .fset_nt_acl_fn = gpfsacl_fset_nt_acl,
2568 .sys_acl_get_fd_fn = gpfsacl_sys_acl_get_fd,
2569 .sys_acl_blob_get_fd_fn = gpfsacl_sys_acl_blob_get_fd,
2570 .sys_acl_set_fd_fn = gpfsacl_sys_acl_set_fd,
2571 .sys_acl_delete_def_fd_fn = gpfsacl_sys_acl_delete_def_fd,
2572 .fchmod_fn = vfs_gpfs_fchmod,
2573 .close_fn = vfs_gpfs_close,
2574 .stat_fn = vfs_gpfs_stat,
2575 .lstat_fn = vfs_gpfs_lstat,
2576 .fntimes_fn = vfs_gpfs_fntimes,
2577 .aio_force_fn = vfs_gpfs_aio_force,
2578 .sendfile_fn = vfs_gpfs_sendfile,
2579 .fallocate_fn = vfs_gpfs_fallocate,
2580 .openat_fn = vfs_gpfs_openat,
2581 .pread_fn = vfs_gpfs_pread,
2582 .pread_send_fn = vfs_gpfs_pread_send,
2583 .pread_recv_fn = vfs_gpfs_pread_recv,
2584 .pwrite_fn = vfs_gpfs_pwrite,
2585 .pwrite_send_fn = vfs_gpfs_pwrite_send,
2586 .pwrite_recv_fn = vfs_gpfs_pwrite_recv,
2587 .ftruncate_fn = vfs_gpfs_ftruncate
2591 NTSTATUS vfs_gpfs_init(TALLOC_CTX *ctx)
2595 ret = gpfswrap_init();
2597 DEBUG(1, ("Could not initialize GPFS library wrapper\n"));
2600 return smb_register_vfs(SMB_VFS_INTERFACE_VERSION, "gpfs",