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"
35 #define DBGC_CLASS DBGC_VFS
37 #ifndef GPFS_GETACL_NATIVE
38 #define GPFS_GETACL_NATIVE 0x00000004
41 struct gpfs_config_data {
42 struct smbacl4_vfs_params nfs4_params;
57 struct gpfs_fsp_extension {
61 static inline unsigned int gpfs_acl_flags(gpfs_acl_t *gacl)
63 if (gacl->acl_level == GPFS_ACL_LEVEL_V4FLAGS) {
64 return gacl->v4Level1.acl_flags;
69 static inline gpfs_ace_v4_t *gpfs_ace_ptr(gpfs_acl_t *gacl, unsigned int i)
71 if (gacl->acl_level == GPFS_ACL_LEVEL_V4FLAGS) {
72 return &gacl->v4Level1.ace_v4[i];
74 return &gacl->ace_v4[i];
77 static bool set_gpfs_sharemode(files_struct *fsp, uint32_t access_mask,
78 uint32_t share_access)
80 unsigned int allow = GPFS_SHARE_NONE;
81 unsigned int deny = GPFS_DENY_NONE;
84 if ((fsp == NULL) || (fsp->fh == NULL) || (fsp->fh->fd < 0)) {
85 /* No real file, don't disturb */
89 allow |= (access_mask & (FILE_WRITE_DATA|FILE_APPEND_DATA)) ?
91 allow |= (access_mask & (FILE_READ_DATA|FILE_EXECUTE)) ?
94 if (allow == GPFS_SHARE_NONE) {
95 DEBUG(10, ("special case am=no_access:%x\n",access_mask));
98 deny |= (share_access & FILE_SHARE_WRITE) ?
100 deny |= (share_access & (FILE_SHARE_READ)) ?
104 * GPFS_DENY_DELETE can only be set together with either
105 * GPFS_DENY_WRITE or GPFS_DENY_READ.
107 if (deny & (GPFS_DENY_WRITE|GPFS_DENY_READ)) {
108 deny |= (share_access & (FILE_SHARE_DELETE)) ?
109 0 : GPFS_DENY_DELETE;
112 DEBUG(10, ("am=%x, allow=%d, sa=%x, deny=%d\n",
113 access_mask, allow, share_access, deny));
115 result = gpfswrap_set_share(fsp->fh->fd, allow, deny);
117 if (errno == ENOSYS) {
118 DEBUG(5, ("VFS module vfs_gpfs loaded, but gpfs "
119 "set_share function support not available. "
120 "Allowing access\n"));
123 DEBUG(10, ("gpfs_set_share failed: %s\n",
128 return (result == 0);
131 static int vfs_gpfs_kernel_flock(vfs_handle_struct *handle, files_struct *fsp,
132 uint32_t share_mode, uint32_t access_mask)
135 struct gpfs_config_data *config;
138 START_PROFILE(syscall_kernel_flock);
140 SMB_VFS_HANDLE_GET_DATA(handle, config,
141 struct gpfs_config_data,
144 if(!config->sharemodes) {
149 * A named stream fsp will have the basefile open in the fsp
150 * fd, so lacking a distinct fd for the stream we have to skip
151 * kernel_flock and set_gpfs_sharemode for stream.
153 if (is_ntfs_stream_smb_fname(fsp->fsp_name) &&
154 !is_ntfs_default_stream_smb_fname(fsp->fsp_name)) {
155 DEBUG(2,("%s: kernel_flock on stream\n", fsp_str_dbg(fsp)));
159 kernel_flock(fsp->fh->fd, share_mode, access_mask);
161 if (!set_gpfs_sharemode(fsp, access_mask, fsp->share_access)) {
165 END_PROFILE(syscall_kernel_flock);
170 static int vfs_gpfs_close(vfs_handle_struct *handle, files_struct *fsp)
173 struct gpfs_config_data *config;
175 SMB_VFS_HANDLE_GET_DATA(handle, config,
176 struct gpfs_config_data,
179 if (config->sharemodes && (fsp->fh != NULL) && (fsp->fh->fd != -1)) {
180 set_gpfs_sharemode(fsp, 0, 0);
183 return SMB_VFS_NEXT_CLOSE(handle, fsp);
186 static int set_gpfs_lease(int fd, int leasetype)
188 int gpfs_type = GPFS_LEASE_NONE;
190 if (leasetype == F_RDLCK) {
191 gpfs_type = GPFS_LEASE_READ;
193 if (leasetype == F_WRLCK) {
194 gpfs_type = GPFS_LEASE_WRITE;
197 /* we unconditionally set CAP_LEASE, rather than looking for
198 -1/EACCES as there is a bug in some versions of
199 libgpfs_gpl.so which results in a leaked fd on /dev/ss0
200 each time we try this with the wrong capabilities set
202 linux_set_lease_capability();
203 return gpfswrap_set_lease(fd, gpfs_type);
206 static int vfs_gpfs_setlease(vfs_handle_struct *handle, files_struct *fsp,
209 struct gpfs_config_data *config;
212 START_PROFILE(syscall_linux_setlease);
214 SMB_VFS_HANDLE_GET_DATA(handle, config,
215 struct gpfs_config_data,
218 if (linux_set_lease_sighandler(fsp->fh->fd) == -1) {
223 if (config->leases) {
225 * Ensure the lease owner is root to allow
226 * correct delivery of lease-break signals.
229 ret = set_gpfs_lease(fsp->fh->fd,leasetype);
234 END_PROFILE(syscall_linux_setlease);
239 static int vfs_gpfs_get_real_filename(struct vfs_handle_struct *handle,
247 char real_pathname[PATH_MAX+1];
250 struct gpfs_config_data *config;
252 SMB_VFS_HANDLE_GET_DATA(handle, config,
253 struct gpfs_config_data,
256 if (!config->getrealfilename) {
257 return SMB_VFS_NEXT_GET_REAL_FILENAME(handle, path, name,
258 mem_ctx, found_name);
261 mangled = mangle_is_mangled(name, handle->conn->params);
263 return SMB_VFS_NEXT_GET_REAL_FILENAME(handle, path, name,
264 mem_ctx, found_name);
267 full_path = talloc_asprintf(talloc_tos(), "%s/%s", path, name);
268 if (full_path == NULL) {
273 buflen = sizeof(real_pathname) - 1;
275 result = gpfswrap_get_realfilename_path(full_path, real_pathname,
278 TALLOC_FREE(full_path);
280 if ((result == -1) && (errno == ENOSYS)) {
281 return SMB_VFS_NEXT_GET_REAL_FILENAME(
282 handle, path, name, mem_ctx, found_name);
286 DEBUG(10, ("smbd_gpfs_get_realfilename_path returned %s\n",
292 * GPFS does not necessarily null-terminate the returned path
293 * but instead returns the buffer length in buflen.
296 if (buflen < sizeof(real_pathname)) {
297 real_pathname[buflen] = '\0';
299 real_pathname[sizeof(real_pathname)-1] = '\0';
302 DEBUG(10, ("smbd_gpfs_get_realfilename_path: %s/%s -> %s\n",
303 path, name, real_pathname));
305 name = strrchr_m(real_pathname, '/');
311 *found_name = talloc_strdup(mem_ctx, name+1);
312 if (*found_name == NULL) {
320 static void sd2gpfs_control(uint16_t control, struct gpfs_acl *gacl)
322 unsigned int gpfs_aclflags = 0;
323 control &= SEC_DESC_DACL_PROTECTED | SEC_DESC_SACL_PROTECTED |
324 SEC_DESC_DACL_AUTO_INHERITED | SEC_DESC_SACL_AUTO_INHERITED |
325 SEC_DESC_DACL_DEFAULTED | SEC_DESC_SACL_DEFAULTED |
326 SEC_DESC_DACL_PRESENT | SEC_DESC_SACL_PRESENT;
327 gpfs_aclflags = control << 8;
328 if (!(control & SEC_DESC_DACL_PRESENT))
329 gpfs_aclflags |= ACL4_FLAG_NULL_DACL;
330 if (!(control & SEC_DESC_SACL_PRESENT))
331 gpfs_aclflags |= ACL4_FLAG_NULL_SACL;
332 gacl->acl_level = GPFS_ACL_LEVEL_V4FLAGS;
333 gacl->v4Level1.acl_flags = gpfs_aclflags;
336 static uint16_t gpfs2sd_control(unsigned int gpfs_aclflags)
338 uint16_t control = gpfs_aclflags >> 8;
339 control &= SEC_DESC_DACL_PROTECTED | SEC_DESC_SACL_PROTECTED |
340 SEC_DESC_DACL_AUTO_INHERITED | SEC_DESC_SACL_AUTO_INHERITED |
341 SEC_DESC_DACL_DEFAULTED | SEC_DESC_SACL_DEFAULTED |
342 SEC_DESC_DACL_PRESENT | SEC_DESC_SACL_PRESENT;
343 control |= SEC_DESC_SELF_RELATIVE;
347 static void gpfs_dumpacl(int level, struct gpfs_acl *gacl)
352 DEBUG(0, ("gpfs acl is NULL\n"));
356 DEBUG(level, ("len: %d, level: %d, version: %d, nace: %d, "
358 gacl->acl_len, gacl->acl_level, gacl->acl_version,
359 gacl->acl_nace, gpfs_acl_flags(gacl)));
361 for(i=0; i<gacl->acl_nace; i++)
363 struct gpfs_ace_v4 *gace = gpfs_ace_ptr(gacl, i);
364 DEBUG(level, ("\tace[%d]: type:%d, flags:0x%x, mask:0x%x, "
365 "iflags:0x%x, who:%u\n",
366 i, gace->aceType, gace->aceFlags, gace->aceMask,
367 gace->aceIFlags, gace->aceWho));
371 static int gpfs_getacl_with_capability(const char *fname, int flags, void *buf)
373 int ret, saved_errno;
375 set_effective_capability(DAC_OVERRIDE_CAPABILITY);
377 ret = gpfswrap_getacl(discard_const_p(char, fname), flags, buf);
380 drop_effective_capability(DAC_OVERRIDE_CAPABILITY);
387 * get the ACL from GPFS, allocated on the specified mem_ctx
388 * internally retries when initial buffer was too small
390 * caller needs to cast result to either
391 * raw = yes: struct gpfs_opaque_acl
392 * raw = no: struct gpfs_acl
395 static void *vfs_gpfs_getacl(TALLOC_CTX *mem_ctx,
398 const gpfs_aclType_t type)
406 bool use_capability = false;
410 aclbuf = talloc_zero_size(mem_ctx, size);
411 if (aclbuf == NULL) {
417 struct gpfs_opaque_acl *buf = (struct gpfs_opaque_acl *) aclbuf;
418 buf->acl_type = type;
419 flags = GPFS_GETACL_NATIVE;
420 len = (unsigned int *) &(buf->acl_buffer_len);
421 struct_size = sizeof(struct gpfs_opaque_acl);
423 struct gpfs_acl *buf = (struct gpfs_acl *) aclbuf;
424 buf->acl_type = type;
425 buf->acl_level = GPFS_ACL_LEVEL_V4FLAGS;
426 flags = GPFS_GETACL_STRUCT;
427 len = &(buf->acl_len);
428 /* reserve space for control flags in gpfs 3.5 and beyond */
429 struct_size = sizeof(struct gpfs_acl) + sizeof(unsigned int);
432 /* set the length of the buffer as input value */
435 if (use_capability) {
436 ret = gpfs_getacl_with_capability(fname, flags, aclbuf);
438 ret = gpfswrap_getacl(discard_const_p(char, fname),
440 if ((ret != 0) && (errno == EACCES)) {
441 DBG_DEBUG("Retry with DAC capability for %s\n", fname);
442 use_capability = true;
443 ret = gpfs_getacl_with_capability(fname, flags, aclbuf);
447 if ((ret != 0) && (errno == ENOSPC)) {
449 * get the size needed to accommodate the complete buffer
451 * the value returned only applies to the ACL blob in the
452 * struct so make sure to also have headroom for the first
453 * struct members by adding room for the complete struct
454 * (might be a few bytes too much then)
456 size = *len + struct_size;
458 DEBUG(10, ("Increasing ACL buffer size to %zu\n", size));
463 DEBUG(5, ("smbd_gpfs_getacl failed with %s\n",
472 /* Tries to get nfs4 acls and returns SMB ACL allocated.
473 * On failure returns 1 if it got non-NFSv4 ACL to prompt
474 * retry with POSIX ACL checks.
475 * On failure returns -1 if there is system (GPFS) error, check errno.
476 * Returns 0 on success
478 static int gpfs_get_nfs4_acl(TALLOC_CTX *mem_ctx, const char *fname,
479 struct SMB4ACL_T **ppacl)
482 struct gpfs_acl *gacl = NULL;
483 DEBUG(10, ("gpfs_get_nfs4_acl invoked for %s\n", fname));
486 gacl = (struct gpfs_acl*) vfs_gpfs_getacl(talloc_tos(), fname,
489 DEBUG(9, ("gpfs_getacl failed for %s with %s\n",
490 fname, strerror(errno)));
491 if (errno == ENODATA) {
493 * GPFS returns ENODATA for snapshot
494 * directories. Retry with POSIX ACLs check.
502 if (gacl->acl_type != GPFS_ACL_TYPE_NFS4) {
503 DEBUG(10, ("Got non-nfsv4 acl\n"));
504 /* Retry with POSIX ACLs check */
509 *ppacl = smb_create_smb4acl(mem_ctx);
511 if (gacl->acl_level == GPFS_ACL_LEVEL_V4FLAGS) {
512 uint16_t control = gpfs2sd_control(gpfs_acl_flags(gacl));
513 smbacl4_set_controlflags(*ppacl, control);
516 DEBUG(10, ("len: %d, level: %d, version: %d, nace: %d, control: %x\n",
517 gacl->acl_len, gacl->acl_level, gacl->acl_version,
518 gacl->acl_nace, gpfs_acl_flags(gacl)));
520 for (i=0; i<gacl->acl_nace; i++) {
521 struct gpfs_ace_v4 *gace = gpfs_ace_ptr(gacl, i);
522 SMB_ACE4PROP_T smbace = { 0 };
523 DEBUG(10, ("type: %d, iflags: %x, flags: %x, mask: %x, "
524 "who: %d\n", gace->aceType, gace->aceIFlags,
525 gace->aceFlags, gace->aceMask, gace->aceWho));
527 if (gace->aceIFlags & ACE4_IFLAG_SPECIAL_ID) {
528 smbace.flags |= SMB_ACE4_ID_SPECIAL;
529 switch (gace->aceWho) {
530 case ACE4_SPECIAL_OWNER:
531 smbace.who.special_id = SMB_ACE4_WHO_OWNER;
533 case ACE4_SPECIAL_GROUP:
534 smbace.who.special_id = SMB_ACE4_WHO_GROUP;
536 case ACE4_SPECIAL_EVERYONE:
537 smbace.who.special_id = SMB_ACE4_WHO_EVERYONE;
540 DEBUG(8, ("invalid special gpfs id %d "
541 "ignored\n", gace->aceWho));
542 continue; /* don't add it */
545 if (gace->aceFlags & ACE4_FLAG_GROUP_ID)
546 smbace.who.gid = gace->aceWho;
548 smbace.who.uid = gace->aceWho;
551 /* remove redundant deny entries */
552 if (i > 0 && gace->aceType == SMB_ACE4_ACCESS_DENIED_ACE_TYPE) {
553 struct gpfs_ace_v4 *prev = gpfs_ace_ptr(gacl, i - 1);
554 if (prev->aceType == SMB_ACE4_ACCESS_ALLOWED_ACE_TYPE &&
555 prev->aceFlags == gace->aceFlags &&
556 prev->aceIFlags == gace->aceIFlags &&
557 (gace->aceMask & prev->aceMask) == 0 &&
558 gace->aceWho == prev->aceWho) {
559 /* it's redundant - skip it */
564 smbace.aceType = gace->aceType;
565 smbace.aceFlags = gace->aceFlags;
566 smbace.aceMask = gace->aceMask;
567 smb_add_ace4(*ppacl, &smbace);
575 static NTSTATUS gpfsacl_fget_nt_acl(vfs_handle_struct *handle,
576 files_struct *fsp, uint32_t security_info,
578 struct security_descriptor **ppdesc)
580 struct SMB4ACL_T *pacl = NULL;
582 struct gpfs_config_data *config;
583 TALLOC_CTX *frame = talloc_stackframe();
588 SMB_VFS_HANDLE_GET_DATA(handle, config,
589 struct gpfs_config_data,
590 return NT_STATUS_INTERNAL_ERROR);
593 status = SMB_VFS_NEXT_FGET_NT_ACL(handle, fsp, security_info,
599 result = gpfs_get_nfs4_acl(frame, fsp->fsp_name->base_name, &pacl);
602 status = smb_fget_nt_acl_nfs4(fsp, &config->nfs4_params,
604 mem_ctx, ppdesc, pacl);
610 DEBUG(10, ("retrying with posix acl...\n"));
611 status = posix_fget_nt_acl(fsp, security_info,
619 /* GPFS ACL was not read, something wrong happened, error code is set in errno */
620 return map_nt_error_from_unix(errno);
623 static NTSTATUS gpfsacl_get_nt_acl(vfs_handle_struct *handle,
624 const struct smb_filename *smb_fname,
625 uint32_t security_info,
627 struct security_descriptor **ppdesc)
629 struct SMB4ACL_T *pacl = NULL;
631 struct gpfs_config_data *config;
632 TALLOC_CTX *frame = talloc_stackframe();
637 SMB_VFS_HANDLE_GET_DATA(handle, config,
638 struct gpfs_config_data,
639 return NT_STATUS_INTERNAL_ERROR);
642 status = SMB_VFS_NEXT_GET_NT_ACL(handle, smb_fname,
649 result = gpfs_get_nfs4_acl(frame, smb_fname->base_name, &pacl);
652 status = smb_get_nt_acl_nfs4(handle->conn, smb_fname,
653 &config->nfs4_params,
654 security_info, mem_ctx, ppdesc,
661 DEBUG(10, ("retrying with posix acl...\n"));
662 status = posix_get_nt_acl(handle->conn, smb_fname,
663 security_info, mem_ctx, ppdesc);
668 /* GPFS ACL was not read, something wrong happened, error code is set in errno */
670 return map_nt_error_from_unix(errno);
673 static struct gpfs_acl *vfs_gpfs_smbacl2gpfsacl(TALLOC_CTX *mem_ctx,
675 struct SMB4ACL_T *smbacl,
678 struct gpfs_acl *gacl;
679 gpfs_aclLen_t gacl_len;
680 struct SMB4ACE_T *smbace;
682 gacl_len = offsetof(gpfs_acl_t, ace_v4) + sizeof(unsigned int)
683 + smb_get_naces(smbacl) * sizeof(gpfs_ace_v4_t);
685 gacl = (struct gpfs_acl *)TALLOC_SIZE(mem_ctx, gacl_len);
687 DEBUG(0, ("talloc failed\n"));
692 gacl->acl_level = GPFS_ACL_LEVEL_BASE;
693 gacl->acl_version = GPFS_ACL_VERSION_NFS4;
694 gacl->acl_type = GPFS_ACL_TYPE_NFS4;
695 gacl->acl_nace = 0; /* change later... */
698 gacl->acl_level = GPFS_ACL_LEVEL_V4FLAGS;
699 sd2gpfs_control(smbacl4_get_controlflags(smbacl), gacl);
702 for (smbace=smb_first_ace4(smbacl); smbace!=NULL; smbace = smb_next_ace4(smbace)) {
703 struct gpfs_ace_v4 *gace = gpfs_ace_ptr(gacl, gacl->acl_nace);
704 SMB_ACE4PROP_T *aceprop = smb_get_ace4(smbace);
706 gace->aceType = aceprop->aceType;
707 gace->aceFlags = aceprop->aceFlags;
708 gace->aceMask = aceprop->aceMask;
711 * GPFS can't distinguish between WRITE and APPEND on
712 * files, so one being set without the other is an
713 * error. Sorry for the many ()'s :-)
716 if (!fsp->is_directory
718 ((((gace->aceMask & ACE4_MASK_WRITE) == 0)
719 && ((gace->aceMask & ACE4_MASK_APPEND) != 0))
721 (((gace->aceMask & ACE4_MASK_WRITE) != 0)
722 && ((gace->aceMask & ACE4_MASK_APPEND) == 0)))
724 lp_parm_bool(fsp->conn->params->service, "gpfs",
725 "merge_writeappend", True)) {
726 DEBUG(2, ("vfs_gpfs.c: file [%s]: ACE contains "
727 "WRITE^APPEND, setting WRITE|APPEND\n",
729 gace->aceMask |= ACE4_MASK_WRITE|ACE4_MASK_APPEND;
732 gace->aceIFlags = (aceprop->flags&SMB_ACE4_ID_SPECIAL) ? ACE4_IFLAG_SPECIAL_ID : 0;
734 if (aceprop->flags&SMB_ACE4_ID_SPECIAL)
736 switch(aceprop->who.special_id)
738 case SMB_ACE4_WHO_EVERYONE:
739 gace->aceWho = ACE4_SPECIAL_EVERYONE;
741 case SMB_ACE4_WHO_OWNER:
742 gace->aceWho = ACE4_SPECIAL_OWNER;
744 case SMB_ACE4_WHO_GROUP:
745 gace->aceWho = ACE4_SPECIAL_GROUP;
748 DEBUG(8, ("unsupported special_id %d\n", aceprop->who.special_id));
749 continue; /* don't add it !!! */
752 /* just only for the type safety... */
753 if (aceprop->aceFlags&SMB_ACE4_IDENTIFIER_GROUP)
754 gace->aceWho = aceprop->who.gid;
756 gace->aceWho = aceprop->who.uid;
761 gacl->acl_len = (char *)gpfs_ace_ptr(gacl, gacl->acl_nace)
766 static bool gpfsacl_process_smbacl(vfs_handle_struct *handle,
768 struct SMB4ACL_T *smbacl)
771 struct gpfs_acl *gacl;
772 TALLOC_CTX *mem_ctx = talloc_tos();
774 gacl = vfs_gpfs_smbacl2gpfsacl(mem_ctx, fsp, smbacl, true);
775 if (gacl == NULL) { /* out of memory */
778 ret = gpfswrap_putacl(fsp->fsp_name->base_name,
779 GPFS_PUTACL_STRUCT | GPFS_ACL_SAMBA, gacl);
781 if ((ret != 0) && (errno == EINVAL)) {
782 DEBUG(10, ("Retry without nfs41 control flags\n"));
784 gacl = vfs_gpfs_smbacl2gpfsacl(mem_ctx, fsp, smbacl, false);
785 if (gacl == NULL) { /* out of memory */
788 ret = gpfswrap_putacl(fsp->fsp_name->base_name,
789 GPFS_PUTACL_STRUCT | GPFS_ACL_SAMBA,
794 DEBUG(8, ("gpfs_putacl failed with %s\n", strerror(errno)));
795 gpfs_dumpacl(8, gacl);
799 DEBUG(10, ("gpfs_putacl succeeded\n"));
803 static NTSTATUS gpfsacl_set_nt_acl_internal(vfs_handle_struct *handle, files_struct *fsp, uint32_t security_info_sent, const struct security_descriptor *psd)
805 struct gpfs_acl *acl;
806 NTSTATUS result = NT_STATUS_ACCESS_DENIED;
808 acl = (struct gpfs_acl*) vfs_gpfs_getacl(talloc_tos(),
809 fsp->fsp_name->base_name,
812 return map_nt_error_from_unix(errno);
815 if (acl->acl_version == GPFS_ACL_VERSION_NFS4) {
816 struct gpfs_config_data *config;
818 if (lp_parm_bool(fsp->conn->params->service, "gpfs",
819 "refuse_dacl_protected", false)
820 && (psd->type&SEC_DESC_DACL_PROTECTED)) {
821 DEBUG(2, ("Rejecting unsupported ACL with DACL_PROTECTED bit set\n"));
823 return NT_STATUS_NOT_SUPPORTED;
826 SMB_VFS_HANDLE_GET_DATA(handle, config,
827 struct gpfs_config_data,
828 return NT_STATUS_INTERNAL_ERROR);
830 result = smb_set_nt_acl_nfs4(handle,
831 fsp, &config->nfs4_params, security_info_sent, psd,
832 gpfsacl_process_smbacl);
833 } else { /* assume POSIX ACL - by default... */
834 result = set_nt_acl(fsp, security_info_sent, psd);
841 static NTSTATUS gpfsacl_fset_nt_acl(vfs_handle_struct *handle, files_struct *fsp, uint32_t security_info_sent, const struct security_descriptor *psd)
843 struct gpfs_config_data *config;
845 SMB_VFS_HANDLE_GET_DATA(handle, config,
846 struct gpfs_config_data,
847 return NT_STATUS_INTERNAL_ERROR);
850 return SMB_VFS_NEXT_FSET_NT_ACL(handle, fsp, security_info_sent, psd);
853 return gpfsacl_set_nt_acl_internal(handle, fsp, security_info_sent, psd);
856 static SMB_ACL_T gpfs2smb_acl(const struct gpfs_acl *pacl, TALLOC_CTX *mem_ctx)
861 result = sys_acl_init(mem_ctx);
862 if (result == NULL) {
867 result->count = pacl->acl_nace;
868 result->acl = talloc_realloc(result, result->acl, struct smb_acl_entry,
870 if (result->acl == NULL) {
876 for (i=0; i<pacl->acl_nace; i++) {
877 struct smb_acl_entry *ace = &result->acl[i];
878 const struct gpfs_ace_v1 *g_ace = &pacl->ace_v1[i];
880 DEBUG(10, ("Converting type %d id %lu perm %x\n",
881 (int)g_ace->ace_type, (unsigned long)g_ace->ace_who,
882 (int)g_ace->ace_perm));
884 switch (g_ace->ace_type) {
886 ace->a_type = SMB_ACL_USER;
887 ace->info.user.uid = (uid_t)g_ace->ace_who;
889 case GPFS_ACL_USER_OBJ:
890 ace->a_type = SMB_ACL_USER_OBJ;
893 ace->a_type = SMB_ACL_GROUP;
894 ace->info.group.gid = (gid_t)g_ace->ace_who;
896 case GPFS_ACL_GROUP_OBJ:
897 ace->a_type = SMB_ACL_GROUP_OBJ;
900 ace->a_type = SMB_ACL_OTHER;
903 ace->a_type = SMB_ACL_MASK;
906 DEBUG(10, ("Got invalid ace_type: %d\n",
914 ace->a_perm |= (g_ace->ace_perm & ACL_PERM_READ) ?
916 ace->a_perm |= (g_ace->ace_perm & ACL_PERM_WRITE) ?
918 ace->a_perm |= (g_ace->ace_perm & ACL_PERM_EXECUTE) ?
921 DEBUGADD(10, ("Converted to %d perm %x\n",
922 ace->a_type, ace->a_perm));
928 static SMB_ACL_T gpfsacl_get_posix_acl(const char *path, gpfs_aclType_t type,
931 struct gpfs_acl *pacl;
932 SMB_ACL_T result = NULL;
934 pacl = vfs_gpfs_getacl(talloc_tos(), path, false, type);
937 DEBUG(10, ("vfs_gpfs_getacl failed for %s with %s\n",
938 path, strerror(errno)));
945 if (pacl->acl_version != GPFS_ACL_VERSION_POSIX) {
946 DEBUG(10, ("Got acl version %d, expected %d\n",
947 pacl->acl_version, GPFS_ACL_VERSION_POSIX));
952 DEBUG(10, ("len: %d, level: %d, version: %d, nace: %d\n",
953 pacl->acl_len, pacl->acl_level, pacl->acl_version,
956 result = gpfs2smb_acl(pacl, mem_ctx);
957 if (result != NULL) {
972 static SMB_ACL_T gpfsacl_sys_acl_get_file(vfs_handle_struct *handle,
973 const struct smb_filename *smb_fname,
977 gpfs_aclType_t gpfs_type;
978 struct gpfs_config_data *config;
980 SMB_VFS_HANDLE_GET_DATA(handle, config,
981 struct gpfs_config_data,
985 return SMB_VFS_NEXT_SYS_ACL_GET_FILE(handle, smb_fname,
990 case SMB_ACL_TYPE_ACCESS:
991 gpfs_type = GPFS_ACL_TYPE_ACCESS;
993 case SMB_ACL_TYPE_DEFAULT:
994 gpfs_type = GPFS_ACL_TYPE_DEFAULT;
997 DEBUG(0, ("Got invalid type: %d\n", type));
998 smb_panic("exiting");
1001 return gpfsacl_get_posix_acl(smb_fname->base_name, gpfs_type, mem_ctx);
1004 static SMB_ACL_T gpfsacl_sys_acl_get_fd(vfs_handle_struct *handle,
1006 TALLOC_CTX *mem_ctx)
1008 struct gpfs_config_data *config;
1010 SMB_VFS_HANDLE_GET_DATA(handle, config,
1011 struct gpfs_config_data,
1015 return SMB_VFS_NEXT_SYS_ACL_GET_FD(handle, fsp, mem_ctx);
1018 return gpfsacl_get_posix_acl(fsp->fsp_name->base_name,
1019 GPFS_ACL_TYPE_ACCESS, mem_ctx);
1022 static int gpfsacl_sys_acl_blob_get_file(vfs_handle_struct *handle,
1023 const struct smb_filename *smb_fname,
1024 TALLOC_CTX *mem_ctx,
1025 char **blob_description,
1028 struct gpfs_config_data *config;
1029 struct gpfs_opaque_acl *acl = NULL;
1032 const char *path_p = smb_fname->base_name;
1034 SMB_VFS_HANDLE_GET_DATA(handle, config,
1035 struct gpfs_config_data,
1039 return SMB_VFS_NEXT_SYS_ACL_BLOB_GET_FILE(handle, smb_fname,
1046 acl = (struct gpfs_opaque_acl *)
1047 vfs_gpfs_getacl(mem_ctx,
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_file_helper(handle, smb_fname,
1089 /* fall back to POSIX ACL */
1090 return posix_sys_acl_blob_get_file(handle, smb_fname, mem_ctx,
1091 blob_description, blob);
1094 static int gpfsacl_sys_acl_blob_get_fd(vfs_handle_struct *handle,
1096 TALLOC_CTX *mem_ctx,
1097 char **blob_description,
1100 struct gpfs_config_data *config;
1101 struct gpfs_opaque_acl *acl = NULL;
1105 SMB_VFS_HANDLE_GET_DATA(handle, config,
1106 struct gpfs_config_data,
1110 return SMB_VFS_NEXT_SYS_ACL_BLOB_GET_FD(handle, fsp, mem_ctx,
1111 blob_description, blob);
1115 acl = (struct gpfs_opaque_acl *) vfs_gpfs_getacl(mem_ctx,
1116 fsp->fsp_name->base_name,
1118 GPFS_ACL_TYPE_NFS4);
1121 DEBUG(5, ("vfs_gpfs_getacl finished with errno %d: %s\n",
1122 errno, strerror(errno)));
1124 /* EINVAL means POSIX ACL, bail out on other cases */
1125 if (errno != EINVAL) {
1132 * file has NFSv4 ACL
1134 * we only need the actual ACL blob here
1135 * acl_version will always be NFS4 because we asked
1137 * acl_type is only used for POSIX ACLs
1139 aclblob.data = (uint8_t*) acl->acl_var_data;
1140 aclblob.length = acl->acl_buffer_len;
1142 *blob_description = talloc_strdup(mem_ctx, "gpfs_nfs4_acl");
1143 if (!*blob_description) {
1149 result = non_posix_sys_acl_blob_get_fd_helper(handle, fsp,
1157 /* fall back to POSIX ACL */
1158 return posix_sys_acl_blob_get_fd(handle, fsp, mem_ctx,
1159 blob_description, blob);
1162 static struct gpfs_acl *smb2gpfs_acl(const SMB_ACL_T pacl,
1163 SMB_ACL_TYPE_T type)
1166 struct gpfs_acl *result;
1169 DEBUG(10, ("smb2gpfs_acl: Got ACL with %d entries\n", pacl->count));
1171 len = offsetof(gpfs_acl_t, ace_v1) + (pacl->count) *
1172 sizeof(gpfs_ace_v1_t);
1174 result = (struct gpfs_acl *)SMB_MALLOC(len);
1175 if (result == NULL) {
1180 result->acl_len = len;
1181 result->acl_level = 0;
1182 result->acl_version = GPFS_ACL_VERSION_POSIX;
1183 result->acl_type = (type == SMB_ACL_TYPE_DEFAULT) ?
1184 GPFS_ACL_TYPE_DEFAULT : GPFS_ACL_TYPE_ACCESS;
1185 result->acl_nace = pacl->count;
1187 for (i=0; i<pacl->count; i++) {
1188 const struct smb_acl_entry *ace = &pacl->acl[i];
1189 struct gpfs_ace_v1 *g_ace = &result->ace_v1[i];
1191 DEBUG(10, ("Converting type %d perm %x\n",
1192 (int)ace->a_type, (int)ace->a_perm));
1194 g_ace->ace_perm = 0;
1196 switch(ace->a_type) {
1198 g_ace->ace_type = GPFS_ACL_USER;
1199 g_ace->ace_who = (gpfs_uid_t)ace->info.user.uid;
1201 case SMB_ACL_USER_OBJ:
1202 g_ace->ace_type = GPFS_ACL_USER_OBJ;
1203 g_ace->ace_perm |= ACL_PERM_CONTROL;
1207 g_ace->ace_type = GPFS_ACL_GROUP;
1208 g_ace->ace_who = (gpfs_uid_t)ace->info.group.gid;
1210 case SMB_ACL_GROUP_OBJ:
1211 g_ace->ace_type = GPFS_ACL_GROUP_OBJ;
1215 g_ace->ace_type = GPFS_ACL_MASK;
1216 g_ace->ace_perm = 0x8f;
1220 g_ace->ace_type = GPFS_ACL_OTHER;
1224 DEBUG(10, ("Got invalid ace_type: %d\n", ace->a_type));
1230 g_ace->ace_perm |= (ace->a_perm & SMB_ACL_READ) ?
1232 g_ace->ace_perm |= (ace->a_perm & SMB_ACL_WRITE) ?
1234 g_ace->ace_perm |= (ace->a_perm & SMB_ACL_EXECUTE) ?
1235 ACL_PERM_EXECUTE : 0;
1237 DEBUGADD(10, ("Converted to %d id %d perm %x\n",
1238 g_ace->ace_type, g_ace->ace_who, g_ace->ace_perm));
1244 static int gpfsacl_sys_acl_set_file(vfs_handle_struct *handle,
1245 const struct smb_filename *smb_fname,
1246 SMB_ACL_TYPE_T type,
1249 struct gpfs_acl *gpfs_acl;
1251 struct gpfs_config_data *config;
1253 SMB_VFS_HANDLE_GET_DATA(handle, config,
1254 struct gpfs_config_data,
1258 return SMB_VFS_NEXT_SYS_ACL_SET_FILE(handle, smb_fname,
1262 gpfs_acl = smb2gpfs_acl(theacl, type);
1263 if (gpfs_acl == NULL) {
1267 result = gpfswrap_putacl(discard_const_p(char, smb_fname->base_name),
1268 GPFS_PUTACL_STRUCT|GPFS_ACL_SAMBA, gpfs_acl);
1270 SAFE_FREE(gpfs_acl);
1274 static int gpfsacl_sys_acl_set_fd(vfs_handle_struct *handle,
1278 struct gpfs_config_data *config;
1280 SMB_VFS_HANDLE_GET_DATA(handle, config,
1281 struct gpfs_config_data,
1285 return SMB_VFS_NEXT_SYS_ACL_SET_FD(handle, fsp, theacl);
1288 return gpfsacl_sys_acl_set_file(handle, fsp->fsp_name,
1289 SMB_ACL_TYPE_ACCESS, theacl);
1292 static int gpfsacl_sys_acl_delete_def_file(vfs_handle_struct *handle,
1293 const struct smb_filename *smb_fname)
1295 struct gpfs_config_data *config;
1297 SMB_VFS_HANDLE_GET_DATA(handle, config,
1298 struct gpfs_config_data,
1302 return SMB_VFS_NEXT_SYS_ACL_DELETE_DEF_FILE(handle, smb_fname);
1310 * Assumed: mode bits are shiftable and standard
1311 * Output: the new aceMask field for an smb nfs4 ace
1313 static uint32_t gpfsacl_mask_filter(uint32_t aceType, uint32_t aceMask, uint32_t rwx)
1315 const uint32_t posix_nfs4map[3] = {
1316 SMB_ACE4_EXECUTE, /* execute */
1317 SMB_ACE4_WRITE_DATA | SMB_ACE4_APPEND_DATA, /* write; GPFS specific */
1318 SMB_ACE4_READ_DATA /* read */
1321 uint32_t posix_mask = 0x01;
1325 for(i=0; i<3; i++) {
1326 nfs4_bits = posix_nfs4map[i];
1327 posix_bit = rwx & posix_mask;
1329 if (aceType==SMB_ACE4_ACCESS_ALLOWED_ACE_TYPE) {
1331 aceMask |= nfs4_bits;
1333 aceMask &= ~nfs4_bits;
1335 /* add deny bits when suitable */
1337 aceMask |= nfs4_bits;
1339 aceMask &= ~nfs4_bits;
1340 } /* other ace types are unexpected */
1348 static int gpfsacl_emu_chmod(vfs_handle_struct *handle,
1349 const char *path, mode_t mode)
1351 struct SMB4ACL_T *pacl = NULL;
1353 bool haveAllowEntry[SMB_ACE4_WHO_EVERYONE + 1] = {False, False, False, False};
1355 files_struct fake_fsp = { 0 }; /* TODO: rationalize parametrization */
1356 struct SMB4ACE_T *smbace;
1357 TALLOC_CTX *frame = talloc_stackframe();
1359 DEBUG(10, ("gpfsacl_emu_chmod invoked for %s mode %o\n", path, mode));
1361 result = gpfs_get_nfs4_acl(frame, path, &pacl);
1367 if (mode & ~(S_IRWXU | S_IRWXG | S_IRWXO)) {
1368 DEBUG(2, ("WARNING: cutting extra mode bits %o on %s\n", mode, path));
1371 for (smbace=smb_first_ace4(pacl); smbace!=NULL; smbace = smb_next_ace4(smbace)) {
1372 SMB_ACE4PROP_T *ace = smb_get_ace4(smbace);
1373 uint32_t specid = ace->who.special_id;
1375 if (ace->flags&SMB_ACE4_ID_SPECIAL &&
1376 ace->aceType<=SMB_ACE4_ACCESS_DENIED_ACE_TYPE &&
1377 specid <= SMB_ACE4_WHO_EVERYONE) {
1381 if (ace->aceType==SMB_ACE4_ACCESS_ALLOWED_ACE_TYPE)
1382 haveAllowEntry[specid] = True;
1384 /* mode >> 6 for @owner, mode >> 3 for @group,
1385 * mode >> 0 for @everyone */
1386 newMask = gpfsacl_mask_filter(ace->aceType, ace->aceMask,
1387 mode >> ((SMB_ACE4_WHO_EVERYONE - specid) * 3));
1388 if (ace->aceMask!=newMask) {
1389 DEBUG(10, ("ace changed for %s (%o -> %o) id=%d\n",
1390 path, ace->aceMask, newMask, specid));
1392 ace->aceMask = newMask;
1396 /* make sure we have at least ALLOW entries
1397 * for all the 3 special ids (@EVERYONE, @OWNER, @GROUP)
1400 for(i = SMB_ACE4_WHO_OWNER; i<=SMB_ACE4_WHO_EVERYONE; i++) {
1401 SMB_ACE4PROP_T ace = { 0 };
1403 if (haveAllowEntry[i]==True)
1406 ace.aceType = SMB_ACE4_ACCESS_ALLOWED_ACE_TYPE;
1407 ace.flags |= SMB_ACE4_ID_SPECIAL;
1408 ace.who.special_id = i;
1410 if (i==SMB_ACE4_WHO_GROUP) /* not sure it's necessary... */
1411 ace.aceFlags |= SMB_ACE4_IDENTIFIER_GROUP;
1413 ace.aceMask = gpfsacl_mask_filter(ace.aceType, ace.aceMask,
1414 mode >> ((SMB_ACE4_WHO_EVERYONE - i) * 3));
1416 /* don't add unnecessary aces */
1420 /* we add it to the END - as windows expects allow aces */
1421 smb_add_ace4(pacl, &ace);
1422 DEBUG(10, ("Added ALLOW ace for %s, mode=%o, id=%d, aceMask=%x\n",
1423 path, mode, i, ace.aceMask));
1426 /* don't add complementary DENY ACEs here */
1427 fake_fsp.fsp_name = synthetic_smb_fname(
1428 frame, path, NULL, NULL, 0);
1429 if (fake_fsp.fsp_name == NULL) {
1435 if (gpfsacl_process_smbacl(handle, &fake_fsp, pacl) == False) {
1441 return 0; /* ok for [f]chmod */
1444 static int vfs_gpfs_chmod(vfs_handle_struct *handle,
1445 const struct smb_filename *smb_fname,
1448 struct smb_filename *smb_fname_cpath;
1451 smb_fname_cpath = cp_smb_filename(talloc_tos(), smb_fname);
1452 if (smb_fname_cpath == NULL) {
1457 if (SMB_VFS_NEXT_STAT(handle, smb_fname_cpath) != 0) {
1458 TALLOC_FREE(smb_fname_cpath);
1462 /* avoid chmod() if possible, to preserve acls */
1463 if ((smb_fname_cpath->st.st_ex_mode & ~S_IFMT) == mode) {
1464 TALLOC_FREE(smb_fname_cpath);
1468 rc = gpfsacl_emu_chmod(handle, smb_fname->base_name, mode);
1470 return SMB_VFS_NEXT_CHMOD(handle, smb_fname, mode);
1472 TALLOC_FREE(smb_fname_cpath);
1476 static int vfs_gpfs_fchmod(vfs_handle_struct *handle, files_struct *fsp, mode_t mode)
1481 if (SMB_VFS_NEXT_FSTAT(handle, fsp, &st) != 0) {
1485 /* avoid chmod() if possible, to preserve acls */
1486 if ((st.st_ex_mode & ~S_IFMT) == mode) {
1490 rc = gpfsacl_emu_chmod(handle, fsp->fsp_name->base_name,
1493 return SMB_VFS_NEXT_FCHMOD(handle, fsp, mode);
1497 static uint32_t vfs_gpfs_winattrs_to_dosmode(unsigned int winattrs)
1499 uint32_t dosmode = 0;
1501 if (winattrs & GPFS_WINATTR_ARCHIVE){
1502 dosmode |= FILE_ATTRIBUTE_ARCHIVE;
1504 if (winattrs & GPFS_WINATTR_HIDDEN){
1505 dosmode |= FILE_ATTRIBUTE_HIDDEN;
1507 if (winattrs & GPFS_WINATTR_SYSTEM){
1508 dosmode |= FILE_ATTRIBUTE_SYSTEM;
1510 if (winattrs & GPFS_WINATTR_READONLY){
1511 dosmode |= FILE_ATTRIBUTE_READONLY;
1513 if (winattrs & GPFS_WINATTR_SPARSE_FILE) {
1514 dosmode |= FILE_ATTRIBUTE_SPARSE;
1516 if (winattrs & GPFS_WINATTR_OFFLINE) {
1517 dosmode |= FILE_ATTRIBUTE_OFFLINE;
1523 static unsigned int vfs_gpfs_dosmode_to_winattrs(uint32_t dosmode)
1525 unsigned int winattrs = 0;
1527 if (dosmode & FILE_ATTRIBUTE_ARCHIVE){
1528 winattrs |= GPFS_WINATTR_ARCHIVE;
1530 if (dosmode & FILE_ATTRIBUTE_HIDDEN){
1531 winattrs |= GPFS_WINATTR_HIDDEN;
1533 if (dosmode & FILE_ATTRIBUTE_SYSTEM){
1534 winattrs |= GPFS_WINATTR_SYSTEM;
1536 if (dosmode & FILE_ATTRIBUTE_READONLY){
1537 winattrs |= GPFS_WINATTR_READONLY;
1539 if (dosmode & FILE_ATTRIBUTE_SPARSE) {
1540 winattrs |= GPFS_WINATTR_SPARSE_FILE;
1542 if (dosmode & FILE_ATTRIBUTE_OFFLINE) {
1543 winattrs |= GPFS_WINATTR_OFFLINE;
1549 static int get_dos_attr_with_capability(struct smb_filename *smb_fname,
1550 struct gpfs_winattr *attr)
1552 int saved_errno = 0;
1556 * According to MS-FSA 2.1.5.1.2.1 "Algorithm to Check Access to an
1557 * Existing File" FILE_LIST_DIRECTORY on a directory implies
1558 * FILE_READ_ATTRIBUTES for directory entries. Being able to stat() a
1559 * file implies FILE_LIST_DIRECTORY for the directory containing the
1563 if (!VALID_STAT(smb_fname->st)) {
1565 * Safety net: dos_mode() already checks this, but as we set
1566 * DAC_OVERRIDE_CAPABILITY based on this, add an additional
1569 DBG_ERR("Rejecting DAC override, invalid stat [%s]\n",
1570 smb_fname_str_dbg(smb_fname));
1575 set_effective_capability(DAC_OVERRIDE_CAPABILITY);
1577 ret = gpfswrap_get_winattrs_path(smb_fname->base_name, attr);
1579 saved_errno = errno;
1582 drop_effective_capability(DAC_OVERRIDE_CAPABILITY);
1584 if (saved_errno != 0) {
1585 errno = saved_errno;
1590 static NTSTATUS vfs_gpfs_get_dos_attributes(struct vfs_handle_struct *handle,
1591 struct smb_filename *smb_fname,
1594 struct gpfs_config_data *config;
1595 struct gpfs_winattr attrs = { };
1598 SMB_VFS_HANDLE_GET_DATA(handle, config,
1599 struct gpfs_config_data,
1600 return NT_STATUS_INTERNAL_ERROR);
1602 if (!config->winattr) {
1603 return SMB_VFS_NEXT_GET_DOS_ATTRIBUTES(handle,
1604 smb_fname, dosmode);
1607 ret = gpfswrap_get_winattrs_path(smb_fname->base_name, &attrs);
1608 if (ret == -1 && errno == ENOSYS) {
1609 return SMB_VFS_NEXT_GET_DOS_ATTRIBUTES(handle, smb_fname,
1612 if (ret == -1 && errno == EACCES) {
1613 ret = get_dos_attr_with_capability(smb_fname, &attrs);
1616 if (ret == -1 && errno == EBADF) {
1618 * Returned for directory listings in gpfs root for
1619 * .. entry which steps out of gpfs.
1621 DBG_DEBUG("Getting winattrs for %s returned EBADF.\n",
1622 smb_fname->base_name);
1623 return map_nt_error_from_unix(errno);
1624 } else if (ret == -1) {
1625 DBG_WARNING("Getting winattrs failed for %s: %s\n",
1626 smb_fname->base_name, strerror(errno));
1627 return map_nt_error_from_unix(errno);
1630 *dosmode |= vfs_gpfs_winattrs_to_dosmode(attrs.winAttrs);
1631 smb_fname->st.st_ex_calculated_birthtime = false;
1632 smb_fname->st.st_ex_btime.tv_sec = attrs.creationTime.tv_sec;
1633 smb_fname->st.st_ex_btime.tv_nsec = attrs.creationTime.tv_nsec;
1635 return NT_STATUS_OK;
1638 static NTSTATUS vfs_gpfs_fget_dos_attributes(struct vfs_handle_struct *handle,
1639 struct files_struct *fsp,
1642 struct gpfs_config_data *config;
1643 struct gpfs_winattr attrs = { };
1646 SMB_VFS_HANDLE_GET_DATA(handle, config,
1647 struct gpfs_config_data,
1648 return NT_STATUS_INTERNAL_ERROR);
1650 if (!config->winattr) {
1651 return SMB_VFS_NEXT_FGET_DOS_ATTRIBUTES(handle, fsp, dosmode);
1654 ret = gpfswrap_get_winattrs(fsp->fh->fd, &attrs);
1655 if (ret == -1 && errno == ENOSYS) {
1656 return SMB_VFS_NEXT_FGET_DOS_ATTRIBUTES(handle, fsp, dosmode);
1659 if (ret == -1 && errno == EACCES) {
1660 int saved_errno = 0;
1663 * According to MS-FSA 2.1.5.1.2.1 "Algorithm to Check Access to
1664 * an Existing File" FILE_LIST_DIRECTORY on a directory implies
1665 * FILE_READ_ATTRIBUTES for directory entries. Being able to
1666 * open a file implies FILE_LIST_DIRECTORY.
1669 set_effective_capability(DAC_OVERRIDE_CAPABILITY);
1671 ret = gpfswrap_get_winattrs(fsp->fh->fd, &attrs);
1673 saved_errno = errno;
1676 drop_effective_capability(DAC_OVERRIDE_CAPABILITY);
1678 if (saved_errno != 0) {
1679 errno = saved_errno;
1684 DBG_WARNING("Getting winattrs failed for %s: %s\n",
1685 fsp->fsp_name->base_name, strerror(errno));
1686 return map_nt_error_from_unix(errno);
1689 *dosmode |= vfs_gpfs_winattrs_to_dosmode(attrs.winAttrs);
1690 fsp->fsp_name->st.st_ex_calculated_birthtime = false;
1691 fsp->fsp_name->st.st_ex_btime.tv_sec = attrs.creationTime.tv_sec;
1692 fsp->fsp_name->st.st_ex_btime.tv_nsec = attrs.creationTime.tv_nsec;
1694 return NT_STATUS_OK;
1697 static NTSTATUS vfs_gpfs_set_dos_attributes(struct vfs_handle_struct *handle,
1698 const struct smb_filename *smb_fname,
1701 struct gpfs_config_data *config;
1702 struct gpfs_winattr attrs = { };
1705 SMB_VFS_HANDLE_GET_DATA(handle, config,
1706 struct gpfs_config_data,
1707 return NT_STATUS_INTERNAL_ERROR);
1709 if (!config->winattr) {
1710 return SMB_VFS_NEXT_SET_DOS_ATTRIBUTES(handle,
1711 smb_fname, dosmode);
1714 attrs.winAttrs = vfs_gpfs_dosmode_to_winattrs(dosmode);
1715 ret = gpfswrap_set_winattrs_path(smb_fname->base_name,
1716 GPFS_WINATTR_SET_ATTRS, &attrs);
1718 if (ret == -1 && errno == ENOSYS) {
1719 return SMB_VFS_NEXT_SET_DOS_ATTRIBUTES(handle,
1720 smb_fname, dosmode);
1724 DBG_WARNING("Setting winattrs failed for %s: %s\n",
1725 smb_fname->base_name, strerror(errno));
1726 return map_nt_error_from_unix(errno);
1729 return NT_STATUS_OK;
1732 static NTSTATUS vfs_gpfs_fset_dos_attributes(struct vfs_handle_struct *handle,
1733 struct files_struct *fsp,
1736 struct gpfs_config_data *config;
1737 struct gpfs_winattr attrs = { };
1740 SMB_VFS_HANDLE_GET_DATA(handle, config,
1741 struct gpfs_config_data,
1742 return NT_STATUS_INTERNAL_ERROR);
1744 if (!config->winattr) {
1745 return SMB_VFS_NEXT_FSET_DOS_ATTRIBUTES(handle, fsp, dosmode);
1748 attrs.winAttrs = vfs_gpfs_dosmode_to_winattrs(dosmode);
1749 ret = gpfswrap_set_winattrs(fsp->fh->fd,
1750 GPFS_WINATTR_SET_ATTRS, &attrs);
1752 if (ret == -1 && errno == ENOSYS) {
1753 return SMB_VFS_NEXT_FSET_DOS_ATTRIBUTES(handle, fsp, dosmode);
1757 DBG_WARNING("Setting winattrs failed for %s: %s\n",
1758 fsp->fsp_name->base_name, strerror(errno));
1759 return map_nt_error_from_unix(errno);
1762 return NT_STATUS_OK;
1765 static int stat_with_capability(struct vfs_handle_struct *handle,
1766 struct smb_filename *smb_fname, int flag)
1768 #if defined(HAVE_FSTATAT)
1772 const char *rel_name = NULL;
1776 b = parent_dirname(talloc_tos(), smb_fname->base_name,
1777 &dir_name, &rel_name);
1783 fd = open(dir_name, O_RDONLY, 0);
1784 TALLOC_FREE(dir_name);
1789 set_effective_capability(DAC_OVERRIDE_CAPABILITY);
1790 ret = fstatat(fd, rel_name, &st, flag);
1791 drop_effective_capability(DAC_OVERRIDE_CAPABILITY);
1796 init_stat_ex_from_stat(
1797 &smb_fname->st, &st,
1798 lp_fake_directory_create_times(SNUM(handle->conn)));
1807 static int vfs_gpfs_stat(struct vfs_handle_struct *handle,
1808 struct smb_filename *smb_fname)
1811 struct gpfs_config_data *config;
1813 SMB_VFS_HANDLE_GET_DATA(handle, config,
1814 struct gpfs_config_data,
1817 ret = SMB_VFS_NEXT_STAT(handle, smb_fname);
1818 if (ret == -1 && errno == EACCES) {
1819 DEBUG(10, ("Trying stat with capability for %s\n",
1820 smb_fname->base_name));
1821 ret = stat_with_capability(handle, smb_fname, 0);
1826 static int vfs_gpfs_lstat(struct vfs_handle_struct *handle,
1827 struct smb_filename *smb_fname)
1830 struct gpfs_config_data *config;
1832 SMB_VFS_HANDLE_GET_DATA(handle, config,
1833 struct gpfs_config_data,
1836 ret = SMB_VFS_NEXT_LSTAT(handle, smb_fname);
1837 if (ret == -1 && errno == EACCES) {
1838 DEBUG(10, ("Trying lstat with capability for %s\n",
1839 smb_fname->base_name));
1840 ret = stat_with_capability(handle, smb_fname,
1841 AT_SYMLINK_NOFOLLOW);
1846 static void timespec_to_gpfs_time(struct timespec ts, gpfs_timestruc_t *gt,
1847 int idx, int *flags)
1849 if (!null_timespec(ts)) {
1851 gt[idx].tv_sec = ts.tv_sec;
1852 gt[idx].tv_nsec = ts.tv_nsec;
1853 DEBUG(10, ("Setting GPFS time %d, flags 0x%x\n", idx, *flags));
1857 static int smbd_gpfs_set_times_path(char *path, struct smb_file_time *ft)
1859 gpfs_timestruc_t gpfs_times[4];
1863 ZERO_ARRAY(gpfs_times);
1864 timespec_to_gpfs_time(ft->atime, gpfs_times, 0, &flags);
1865 timespec_to_gpfs_time(ft->mtime, gpfs_times, 1, &flags);
1866 /* No good mapping from LastChangeTime to ctime, not storing */
1867 timespec_to_gpfs_time(ft->create_time, gpfs_times, 3, &flags);
1870 DEBUG(10, ("nothing to do, return to avoid EINVAL\n"));
1874 rc = gpfswrap_set_times_path(path, flags, gpfs_times);
1876 if (rc != 0 && errno != ENOSYS) {
1877 DEBUG(1,("gpfs_set_times() returned with error %s\n",
1884 static int vfs_gpfs_ntimes(struct vfs_handle_struct *handle,
1885 const struct smb_filename *smb_fname,
1886 struct smb_file_time *ft)
1889 struct gpfs_winattr attrs;
1891 struct gpfs_config_data *config;
1893 SMB_VFS_HANDLE_GET_DATA(handle, config,
1894 struct gpfs_config_data,
1897 /* Try to use gpfs_set_times if it is enabled and available */
1898 if (config->settimes) {
1899 ret = smbd_gpfs_set_times_path(smb_fname->base_name, ft);
1901 if (ret == 0 || (ret == -1 && errno != ENOSYS)) {
1906 DEBUG(10,("gpfs_set_times() not available or disabled, "
1907 "use ntimes and winattr\n"));
1909 ret = SMB_VFS_NEXT_NTIMES(handle, smb_fname, ft);
1911 /* don't complain if access was denied */
1912 if (errno != EPERM && errno != EACCES) {
1913 DEBUG(1,("vfs_gpfs_ntimes: SMB_VFS_NEXT_NTIMES failed:"
1914 "%s", strerror(errno)));
1919 if(null_timespec(ft->create_time)){
1920 DEBUG(10,("vfs_gpfs_ntimes:Create Time is NULL\n"));
1924 if (!config->winattr) {
1929 attrs.creationTime.tv_sec = ft->create_time.tv_sec;
1930 attrs.creationTime.tv_nsec = ft->create_time.tv_nsec;
1932 ret = gpfswrap_set_winattrs_path(smb_fname->base_name,
1933 GPFS_WINATTR_SET_CREATION_TIME,
1935 if(ret == -1 && errno != ENOSYS){
1936 DEBUG(1,("vfs_gpfs_ntimes: set GPFS ntimes failed %d\n",ret));
1943 static int vfs_gpfs_fallocate(struct vfs_handle_struct *handle,
1944 struct files_struct *fsp, uint32_t mode,
1945 off_t offset, off_t len)
1948 struct gpfs_config_data *config;
1950 SMB_VFS_HANDLE_GET_DATA(handle, config,
1951 struct gpfs_config_data,
1954 if (!config->prealloc) {
1955 /* you should better not run fallocate() on GPFS at all */
1961 DEBUG(10, ("unmapped fallocate flags: %lx\n",
1962 (unsigned long)mode));
1967 ret = gpfswrap_prealloc(fsp->fh->fd, offset, len);
1969 if (ret == -1 && errno != ENOSYS) {
1970 DEBUG(0, ("GPFS prealloc failed: %s\n", strerror(errno)));
1971 } else if (ret == -1 && errno == ENOSYS) {
1972 DEBUG(10, ("GPFS prealloc not supported.\n"));
1974 DEBUG(10, ("GPFS prealloc succeeded.\n"));
1980 static int vfs_gpfs_ftruncate(vfs_handle_struct *handle, files_struct *fsp,
1984 struct gpfs_config_data *config;
1986 SMB_VFS_HANDLE_GET_DATA(handle, config,
1987 struct gpfs_config_data,
1990 if (!config->ftruncate) {
1991 return SMB_VFS_NEXT_FTRUNCATE(handle, fsp, len);
1994 result = gpfswrap_ftruncate(fsp->fh->fd, len);
1995 if ((result == -1) && (errno == ENOSYS)) {
1996 return SMB_VFS_NEXT_FTRUNCATE(handle, fsp, len);
2001 static bool vfs_gpfs_is_offline(struct vfs_handle_struct *handle,
2002 const struct smb_filename *fname,
2003 SMB_STRUCT_STAT *sbuf)
2005 struct gpfs_winattr attrs;
2008 struct gpfs_config_data *config;
2011 SMB_VFS_HANDLE_GET_DATA(handle, config,
2012 struct gpfs_config_data,
2015 if (!config->winattr) {
2019 status = get_full_smb_filename(talloc_tos(), fname, &path);
2020 if (!NT_STATUS_IS_OK(status)) {
2024 ret = gpfswrap_get_winattrs_path(path, &attrs);
2030 if ((attrs.winAttrs & GPFS_WINATTR_OFFLINE) != 0) {
2031 DEBUG(10, ("%s is offline\n", path));
2035 DEBUG(10, ("%s is online\n", path));
2040 static bool vfs_gpfs_fsp_is_offline(struct vfs_handle_struct *handle,
2041 struct files_struct *fsp)
2043 struct gpfs_fsp_extension *ext;
2045 ext = VFS_FETCH_FSP_EXTENSION(handle, fsp);
2048 * Something bad happened, always ask.
2050 return vfs_gpfs_is_offline(handle, fsp->fsp_name,
2051 &fsp->fsp_name->st);
2056 * As long as it's offline, ask.
2058 ext->offline = vfs_gpfs_is_offline(handle, fsp->fsp_name,
2059 &fsp->fsp_name->st);
2062 return ext->offline;
2065 static bool vfs_gpfs_aio_force(struct vfs_handle_struct *handle,
2066 struct files_struct *fsp)
2068 return vfs_gpfs_fsp_is_offline(handle, fsp);
2071 static ssize_t vfs_gpfs_sendfile(vfs_handle_struct *handle, int tofd,
2072 files_struct *fsp, const DATA_BLOB *hdr,
2073 off_t offset, size_t n)
2075 if (vfs_gpfs_fsp_is_offline(handle, fsp)) {
2079 return SMB_VFS_NEXT_SENDFILE(handle, tofd, fsp, hdr, offset, n);
2082 static int vfs_gpfs_connect(struct vfs_handle_struct *handle,
2083 const char *service, const char *user)
2085 struct gpfs_config_data *config;
2088 gpfswrap_lib_init(0);
2090 config = talloc_zero(handle->conn, struct gpfs_config_data);
2092 DEBUG(0, ("talloc_zero() failed\n"));
2097 ret = SMB_VFS_NEXT_CONNECT(handle, service, user);
2099 TALLOC_FREE(config);
2103 ret = smbacl4_get_vfs_params(handle->conn, &config->nfs4_params);
2105 TALLOC_FREE(config);
2109 config->sharemodes = lp_parm_bool(SNUM(handle->conn), "gpfs",
2110 "sharemodes", true);
2112 config->leases = lp_parm_bool(SNUM(handle->conn), "gpfs",
2115 config->hsm = lp_parm_bool(SNUM(handle->conn), "gpfs",
2118 config->syncio = lp_parm_bool(SNUM(handle->conn), "gpfs",
2121 config->winattr = lp_parm_bool(SNUM(handle->conn), "gpfs",
2124 config->ftruncate = lp_parm_bool(SNUM(handle->conn), "gpfs",
2127 config->getrealfilename = lp_parm_bool(SNUM(handle->conn), "gpfs",
2128 "getrealfilename", true);
2130 config->dfreequota = lp_parm_bool(SNUM(handle->conn), "gpfs",
2131 "dfreequota", false);
2133 config->prealloc = lp_parm_bool(SNUM(handle->conn), "gpfs",
2136 config->acl = lp_parm_bool(SNUM(handle->conn), "gpfs", "acl", true);
2138 config->settimes = lp_parm_bool(SNUM(handle->conn), "gpfs",
2140 config->recalls = lp_parm_bool(SNUM(handle->conn), "gpfs",
2143 SMB_VFS_HANDLE_SET_DATA(handle, config,
2144 NULL, struct gpfs_config_data,
2147 if (config->leases) {
2149 * GPFS lease code is based on kernel oplock code
2150 * so make sure it is turned on
2152 if (!lp_kernel_oplocks(SNUM(handle->conn))) {
2153 DEBUG(5, ("Enabling kernel oplocks for "
2154 "gpfs:leases to work\n"));
2155 lp_do_parameter(SNUM(handle->conn), "kernel oplocks",
2160 * as the kernel does not properly support Level II oplocks
2161 * and GPFS leases code is based on kernel infrastructure, we
2162 * need to turn off Level II oplocks if gpfs:leases is enabled
2164 if (lp_level2_oplocks(SNUM(handle->conn))) {
2165 DEBUG(5, ("gpfs:leases are enabled, disabling "
2166 "Level II oplocks\n"));
2167 lp_do_parameter(SNUM(handle->conn), "level2 oplocks",
2175 static int get_gpfs_quota(const char *pathname, int type, int id,
2176 struct gpfs_quotaInfo *qi)
2180 ret = gpfswrap_quotactl(discard_const_p(char, pathname),
2181 GPFS_QCMD(Q_GETQUOTA, type), id, qi);
2184 if (errno == GPFS_E_NO_QUOTA_INST) {
2185 DEBUG(10, ("Quotas disabled on GPFS filesystem.\n"));
2186 } else if (errno != ENOSYS) {
2187 DEBUG(0, ("Get quota failed, type %d, id, %d, "
2188 "errno %d.\n", type, id, errno));
2194 DEBUG(10, ("quota type %d, id %d, blk u:%lld h:%lld s:%lld gt:%u\n",
2195 type, id, qi->blockUsage, qi->blockHardLimit,
2196 qi->blockSoftLimit, qi->blockGraceTime));
2201 static void vfs_gpfs_disk_free_quota(struct gpfs_quotaInfo qi, time_t cur_time,
2202 uint64_t *dfree, uint64_t *dsize)
2204 uint64_t usage, limit;
2207 * The quota reporting is done in units of 1024 byte blocks, but
2208 * sys_fsusage uses units of 512 byte blocks, adjust the block number
2209 * accordingly. Also filter possibly negative usage counts from gpfs.
2211 usage = qi.blockUsage < 0 ? 0 : (uint64_t)qi.blockUsage * 2;
2212 limit = (uint64_t)qi.blockHardLimit * 2;
2215 * When the grace time for the exceeded soft block quota has been
2216 * exceeded, the soft block quota becomes an additional hard limit.
2218 if (qi.blockSoftLimit &&
2219 qi.blockGraceTime && cur_time > qi.blockGraceTime) {
2220 /* report disk as full */
2222 *dsize = MIN(*dsize, usage);
2225 if (!qi.blockHardLimit)
2228 if (usage >= limit) {
2229 /* report disk as full */
2231 *dsize = MIN(*dsize, usage);
2234 /* limit has not been reached, determine "free space" */
2235 *dfree = MIN(*dfree, limit - usage);
2236 *dsize = MIN(*dsize, limit);
2240 static uint64_t vfs_gpfs_disk_free(vfs_handle_struct *handle,
2241 const struct smb_filename *smb_fname,
2246 struct security_unix_token *utok;
2247 struct gpfs_quotaInfo qi_user = { 0 }, qi_group = { 0 };
2248 struct gpfs_config_data *config;
2252 SMB_VFS_HANDLE_GET_DATA(handle, config, struct gpfs_config_data,
2253 return (uint64_t)-1);
2254 if (!config->dfreequota) {
2255 return SMB_VFS_NEXT_DISK_FREE(handle, smb_fname,
2256 bsize, dfree, dsize);
2259 err = sys_fsusage(smb_fname->base_name, dfree, dsize);
2261 DEBUG (0, ("Could not get fs usage, errno %d\n", errno));
2262 return SMB_VFS_NEXT_DISK_FREE(handle, smb_fname,
2263 bsize, dfree, dsize);
2266 /* sys_fsusage returns units of 512 bytes */
2269 DEBUG(10, ("fs dfree %llu, dsize %llu\n",
2270 (unsigned long long)*dfree, (unsigned long long)*dsize));
2272 utok = handle->conn->session_info->unix_token;
2274 err = get_gpfs_quota(smb_fname->base_name,
2275 GPFS_USRQUOTA, utok->uid, &qi_user);
2277 return SMB_VFS_NEXT_DISK_FREE(handle, smb_fname,
2278 bsize, dfree, dsize);
2281 err = get_gpfs_quota(smb_fname->base_name,
2282 GPFS_GRPQUOTA, utok->gid, &qi_group);
2284 return SMB_VFS_NEXT_DISK_FREE(handle, smb_fname,
2285 bsize, dfree, dsize);
2288 cur_time = time(NULL);
2290 /* Adjust free space and size according to quota limits. */
2291 vfs_gpfs_disk_free_quota(qi_user, cur_time, dfree, dsize);
2292 vfs_gpfs_disk_free_quota(qi_group, cur_time, dfree, dsize);
2297 static int vfs_gpfs_get_quota(vfs_handle_struct *handle,
2298 const struct smb_filename *smb_fname,
2299 enum SMB_QUOTA_TYPE qtype,
2305 * User/group quota are being used for disk-free
2306 * determination, which in this module is done directly
2307 * by the disk-free function. It's important that this
2308 * module does not return wrong quota values by mistake,
2309 * which would modify the correct values set by disk-free.
2310 * User/group quota are also being used for processing
2311 * NT_TRANSACT_GET_USER_QUOTA in smb1 protocol, which is
2312 * currently not supported by this module.
2314 case SMB_USER_QUOTA_TYPE:
2315 case SMB_GROUP_QUOTA_TYPE:
2319 return SMB_VFS_NEXT_GET_QUOTA(handle, smb_fname,
2324 static uint32_t vfs_gpfs_capabilities(struct vfs_handle_struct *handle,
2325 enum timestamp_set_resolution *p_ts_res)
2327 struct gpfs_config_data *config;
2330 next = SMB_VFS_NEXT_FS_CAPABILITIES(handle, p_ts_res);
2332 SMB_VFS_HANDLE_GET_DATA(handle, config,
2333 struct gpfs_config_data,
2337 next |= FILE_SUPPORTS_REMOTE_STORAGE;
2342 static int vfs_gpfs_open(struct vfs_handle_struct *handle,
2343 struct smb_filename *smb_fname, files_struct *fsp,
2344 int flags, mode_t mode)
2346 struct gpfs_config_data *config;
2348 struct gpfs_fsp_extension *ext;
2350 SMB_VFS_HANDLE_GET_DATA(handle, config,
2351 struct gpfs_config_data,
2354 if (config->hsm && !config->recalls &&
2355 vfs_gpfs_fsp_is_offline(handle, fsp)) {
2356 DEBUG(10, ("Refusing access to offline file %s\n",
2362 if (config->syncio) {
2366 ext = VFS_ADD_FSP_EXTENSION(handle, fsp, struct gpfs_fsp_extension,
2374 * Assume the file is offline until gpfs tells us it's online.
2376 *ext = (struct gpfs_fsp_extension) { .offline = true };
2378 ret = SMB_VFS_NEXT_OPEN(handle, smb_fname, fsp, flags, mode);
2380 VFS_REMOVE_FSP_EXTENSION(handle, fsp);
2385 static ssize_t vfs_gpfs_pread(vfs_handle_struct *handle, files_struct *fsp,
2386 void *data, size_t n, off_t offset)
2391 was_offline = vfs_gpfs_fsp_is_offline(handle, fsp);
2393 ret = SMB_VFS_NEXT_PREAD(handle, fsp, data, n, offset);
2395 if ((ret != -1) && was_offline) {
2396 notify_fname(handle->conn, NOTIFY_ACTION_MODIFIED,
2397 FILE_NOTIFY_CHANGE_ATTRIBUTES,
2398 fsp->fsp_name->base_name);
2404 struct vfs_gpfs_pread_state {
2405 struct files_struct *fsp;
2408 struct vfs_aio_state vfs_aio_state;
2411 static void vfs_gpfs_pread_done(struct tevent_req *subreq);
2413 static struct tevent_req *vfs_gpfs_pread_send(struct vfs_handle_struct *handle,
2414 TALLOC_CTX *mem_ctx,
2415 struct tevent_context *ev,
2416 struct files_struct *fsp,
2417 void *data, size_t n,
2420 struct tevent_req *req, *subreq;
2421 struct vfs_gpfs_pread_state *state;
2423 req = tevent_req_create(mem_ctx, &state, struct vfs_gpfs_pread_state);
2427 state->was_offline = vfs_gpfs_fsp_is_offline(handle, fsp);
2429 subreq = SMB_VFS_NEXT_PREAD_SEND(state, ev, handle, fsp, data,
2431 if (tevent_req_nomem(subreq, req)) {
2432 return tevent_req_post(req, ev);
2434 tevent_req_set_callback(subreq, vfs_gpfs_pread_done, req);
2438 static void vfs_gpfs_pread_done(struct tevent_req *subreq)
2440 struct tevent_req *req = tevent_req_callback_data(
2441 subreq, struct tevent_req);
2442 struct vfs_gpfs_pread_state *state = tevent_req_data(
2443 req, struct vfs_gpfs_pread_state);
2445 state->ret = SMB_VFS_PREAD_RECV(subreq, &state->vfs_aio_state);
2446 TALLOC_FREE(subreq);
2447 tevent_req_done(req);
2450 static ssize_t vfs_gpfs_pread_recv(struct tevent_req *req,
2451 struct vfs_aio_state *vfs_aio_state)
2453 struct vfs_gpfs_pread_state *state = tevent_req_data(
2454 req, struct vfs_gpfs_pread_state);
2455 struct files_struct *fsp = state->fsp;
2457 if (tevent_req_is_unix_error(req, &vfs_aio_state->error)) {
2460 *vfs_aio_state = state->vfs_aio_state;
2462 if ((state->ret != -1) && state->was_offline) {
2463 DEBUG(10, ("sending notify\n"));
2464 notify_fname(fsp->conn, NOTIFY_ACTION_MODIFIED,
2465 FILE_NOTIFY_CHANGE_ATTRIBUTES,
2466 fsp->fsp_name->base_name);
2472 static ssize_t vfs_gpfs_pwrite(vfs_handle_struct *handle, files_struct *fsp,
2473 const void *data, size_t n, off_t offset)
2478 was_offline = vfs_gpfs_fsp_is_offline(handle, fsp);
2480 ret = SMB_VFS_NEXT_PWRITE(handle, fsp, data, n, offset);
2482 if ((ret != -1) && was_offline) {
2483 notify_fname(handle->conn, NOTIFY_ACTION_MODIFIED,
2484 FILE_NOTIFY_CHANGE_ATTRIBUTES,
2485 fsp->fsp_name->base_name);
2491 struct vfs_gpfs_pwrite_state {
2492 struct files_struct *fsp;
2495 struct vfs_aio_state vfs_aio_state;
2498 static void vfs_gpfs_pwrite_done(struct tevent_req *subreq);
2500 static struct tevent_req *vfs_gpfs_pwrite_send(
2501 struct vfs_handle_struct *handle,
2502 TALLOC_CTX *mem_ctx,
2503 struct tevent_context *ev,
2504 struct files_struct *fsp,
2505 const void *data, size_t n,
2508 struct tevent_req *req, *subreq;
2509 struct vfs_gpfs_pwrite_state *state;
2511 req = tevent_req_create(mem_ctx, &state, struct vfs_gpfs_pwrite_state);
2515 state->was_offline = vfs_gpfs_fsp_is_offline(handle, fsp);
2517 subreq = SMB_VFS_NEXT_PWRITE_SEND(state, ev, handle, fsp, data,
2519 if (tevent_req_nomem(subreq, req)) {
2520 return tevent_req_post(req, ev);
2522 tevent_req_set_callback(subreq, vfs_gpfs_pwrite_done, req);
2526 static void vfs_gpfs_pwrite_done(struct tevent_req *subreq)
2528 struct tevent_req *req = tevent_req_callback_data(
2529 subreq, struct tevent_req);
2530 struct vfs_gpfs_pwrite_state *state = tevent_req_data(
2531 req, struct vfs_gpfs_pwrite_state);
2533 state->ret = SMB_VFS_PWRITE_RECV(subreq, &state->vfs_aio_state);
2534 TALLOC_FREE(subreq);
2535 tevent_req_done(req);
2538 static ssize_t vfs_gpfs_pwrite_recv(struct tevent_req *req,
2539 struct vfs_aio_state *vfs_aio_state)
2541 struct vfs_gpfs_pwrite_state *state = tevent_req_data(
2542 req, struct vfs_gpfs_pwrite_state);
2543 struct files_struct *fsp = state->fsp;
2545 if (tevent_req_is_unix_error(req, &vfs_aio_state->error)) {
2548 *vfs_aio_state = state->vfs_aio_state;
2550 if ((state->ret != -1) && state->was_offline) {
2551 DEBUG(10, ("sending notify\n"));
2552 notify_fname(fsp->conn, NOTIFY_ACTION_MODIFIED,
2553 FILE_NOTIFY_CHANGE_ATTRIBUTES,
2554 fsp->fsp_name->base_name);
2561 static struct vfs_fn_pointers vfs_gpfs_fns = {
2562 .connect_fn = vfs_gpfs_connect,
2563 .disk_free_fn = vfs_gpfs_disk_free,
2564 .get_quota_fn = vfs_gpfs_get_quota,
2565 .fs_capabilities_fn = vfs_gpfs_capabilities,
2566 .kernel_flock_fn = vfs_gpfs_kernel_flock,
2567 .linux_setlease_fn = vfs_gpfs_setlease,
2568 .get_real_filename_fn = vfs_gpfs_get_real_filename,
2569 .get_dos_attributes_fn = vfs_gpfs_get_dos_attributes,
2570 .fget_dos_attributes_fn = vfs_gpfs_fget_dos_attributes,
2571 .set_dos_attributes_fn = vfs_gpfs_set_dos_attributes,
2572 .fset_dos_attributes_fn = vfs_gpfs_fset_dos_attributes,
2573 .fget_nt_acl_fn = gpfsacl_fget_nt_acl,
2574 .get_nt_acl_fn = gpfsacl_get_nt_acl,
2575 .fset_nt_acl_fn = gpfsacl_fset_nt_acl,
2576 .sys_acl_get_file_fn = gpfsacl_sys_acl_get_file,
2577 .sys_acl_get_fd_fn = gpfsacl_sys_acl_get_fd,
2578 .sys_acl_blob_get_file_fn = gpfsacl_sys_acl_blob_get_file,
2579 .sys_acl_blob_get_fd_fn = gpfsacl_sys_acl_blob_get_fd,
2580 .sys_acl_set_file_fn = gpfsacl_sys_acl_set_file,
2581 .sys_acl_set_fd_fn = gpfsacl_sys_acl_set_fd,
2582 .sys_acl_delete_def_file_fn = gpfsacl_sys_acl_delete_def_file,
2583 .chmod_fn = vfs_gpfs_chmod,
2584 .fchmod_fn = vfs_gpfs_fchmod,
2585 .close_fn = vfs_gpfs_close,
2586 .stat_fn = vfs_gpfs_stat,
2587 .lstat_fn = vfs_gpfs_lstat,
2588 .ntimes_fn = vfs_gpfs_ntimes,
2589 .aio_force_fn = vfs_gpfs_aio_force,
2590 .sendfile_fn = vfs_gpfs_sendfile,
2591 .fallocate_fn = vfs_gpfs_fallocate,
2592 .open_fn = vfs_gpfs_open,
2593 .pread_fn = vfs_gpfs_pread,
2594 .pread_send_fn = vfs_gpfs_pread_send,
2595 .pread_recv_fn = vfs_gpfs_pread_recv,
2596 .pwrite_fn = vfs_gpfs_pwrite,
2597 .pwrite_send_fn = vfs_gpfs_pwrite_send,
2598 .pwrite_recv_fn = vfs_gpfs_pwrite_recv,
2599 .ftruncate_fn = vfs_gpfs_ftruncate
2603 NTSTATUS vfs_gpfs_init(TALLOC_CTX *ctx)
2607 ret = gpfswrap_init();
2609 DEBUG(1, ("Could not initialize GPFS library wrapper\n"));
2612 return smb_register_vfs(SMB_VFS_INTERFACE_VERSION, "gpfs",