2 Unix SMB/CIFS implementation.
3 Wrap gpfs calls in vfs functions.
5 Copyright (C) Christian Ambach <cambach1@de.ibm.com> 2006
7 Major code contributions by Chetan Shringarpure <chetan.sh@in.ibm.com>
8 and Gomati Mohanan <gomati.mohanan@in.ibm.com>
10 This program is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 3 of the License, or
13 (at your option) any later version.
15 This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
20 You should have received a copy of the GNU General Public License
21 along with this program. If not, see <http://www.gnu.org/licenses/>.
27 #define DBGC_CLASS DBGC_VFS
30 #include "nfs4_acls.h"
33 static int vfs_gpfs_kernel_flock(vfs_handle_struct *handle, files_struct *fsp,
34 uint32 share_mode, uint32 access_mask)
37 START_PROFILE(syscall_kernel_flock);
39 kernel_flock(fsp->fh->fd, share_mode, access_mask);
41 if (!set_gpfs_sharemode(fsp, access_mask, fsp->share_access)) {
47 END_PROFILE(syscall_kernel_flock);
52 static int vfs_gpfs_close(vfs_handle_struct *handle, files_struct *fsp)
54 if ((fsp->fh != NULL) && (fsp->fh->fd != -1)) {
55 set_gpfs_sharemode(fsp, 0, 0);
58 return SMB_VFS_NEXT_CLOSE(handle, fsp);
61 static int vfs_gpfs_setlease(vfs_handle_struct *handle, files_struct *fsp,
66 START_PROFILE(syscall_linux_setlease);
68 if ( linux_set_lease_sighandler(fsp->fh->fd) == -1)
71 ret = set_gpfs_lease(fsp->fh->fd,leasetype);
74 /* This must have come from GPFS not being available */
75 /* or some other error, hence call the default */
76 ret = linux_setlease(fsp->fh->fd, leasetype);
79 END_PROFILE(syscall_linux_setlease);
84 static int vfs_gpfs_get_real_filename(struct vfs_handle_struct *handle,
92 char real_pathname[PATH_MAX+1];
96 mangled = mangle_is_mangled(name, handle->conn->params);
98 return SMB_VFS_NEXT_GET_REAL_FILENAME(handle, path, name,
102 full_path = talloc_asprintf(talloc_tos(), "%s/%s", path, name);
103 if (full_path == NULL) {
108 buflen = sizeof(real_pathname) - 1;
110 result = smbd_gpfs_get_realfilename_path(full_path, real_pathname,
113 TALLOC_FREE(full_path);
115 if ((result == -1) && (errno == ENOSYS)) {
116 return SMB_VFS_NEXT_GET_REAL_FILENAME(
117 handle, path, name, mem_ctx, found_name);
121 DEBUG(10, ("smbd_gpfs_get_realfilename_path returned %s\n",
127 * GPFS does not necessarily null-terminate the returned path
128 * but instead returns the buffer length in buflen.
131 if (buflen < sizeof(real_pathname)) {
132 real_pathname[buflen] = '\0';
134 real_pathname[sizeof(real_pathname)-1] = '\0';
137 DEBUG(10, ("smbd_gpfs_get_realfilename_path: %s/%s -> %s\n",
138 path, name, real_pathname));
140 name = strrchr_m(real_pathname, '/');
146 *found_name = talloc_strdup(mem_ctx, name+1);
147 if (*found_name == NULL) {
155 static void gpfs_dumpacl(int level, struct gpfs_acl *gacl)
160 DEBUG(0, ("gpfs acl is NULL\n"));
164 DEBUG(level, ("gpfs acl: nace: %d, type:%d, version:%d, level:%d, len:%d\n",
165 gacl->acl_nace, gacl->acl_type, gacl->acl_version, gacl->acl_level, gacl->acl_len));
166 for(i=0; i<gacl->acl_nace; i++)
168 struct gpfs_ace_v4 *gace = gacl->ace_v4 + i;
169 DEBUG(level, ("\tace[%d]: type:%d, flags:0x%x, mask:0x%x, iflags:0x%x, who:%u\n",
170 i, gace->aceType, gace->aceFlags, gace->aceMask,
171 gace->aceIFlags, gace->aceWho));
175 static struct gpfs_acl *gpfs_getacl_alloc(const char *fname, gpfs_aclType_t type)
177 struct gpfs_acl *acl;
178 struct gpfs_ace_v4 *ace;
181 TALLOC_CTX *mem_ctx = talloc_tos();
183 acl = (struct gpfs_acl *)TALLOC_SIZE(mem_ctx, len);
191 acl->acl_version = 0;
192 acl->acl_type = type;
194 ret = smbd_gpfs_getacl((char *)fname, GPFS_GETACL_STRUCT | GPFS_ACL_SAMBA, acl);
195 if ((ret != 0) && (errno == ENOSPC)) {
196 struct gpfs_acl *new_acl = (struct gpfs_acl *)TALLOC_SIZE(
197 mem_ctx, acl->acl_len + sizeof(struct gpfs_acl));
198 if (new_acl == NULL) {
203 new_acl->acl_len = acl->acl_len;
204 new_acl->acl_level = acl->acl_level;
205 new_acl->acl_version = acl->acl_version;
206 new_acl->acl_type = acl->acl_type;
209 ret = smbd_gpfs_getacl((char *)fname, GPFS_GETACL_STRUCT | GPFS_ACL_SAMBA, acl);
214 if (errno != ENODATA) {
215 DEBUG(8, ("smbd_gpfs_getacl failed with %s\n",strerror(errno)));
219 DEBUG(10, ("gpfs_getacl returned ENODATA, returning bogus ACL\n"));
222 acl->acl_type = GPFS_ACL_TYPE_NFS4;
224 ace = &acl->ace_v4[0];
225 ace->aceWho = ACE4_SPECIAL_EVERYONE;
226 ace->aceType = ACE4_TYPE_ALLOW;
227 ace->aceMask = ACE4_MASK_ALL;
228 ace->aceIFlags = ACE4_IFLAG_SPECIAL_ID;
234 /* Tries to get nfs4 acls and returns SMB ACL allocated.
235 * On failure returns 1 if it got non-NFSv4 ACL to prompt
236 * retry with POSIX ACL checks.
237 * On failure returns -1 if there is system (GPFS) error, check errno.
238 * Returns 0 on success
240 static int gpfs_get_nfs4_acl(const char *fname, SMB4ACL_T **ppacl)
243 struct gpfs_acl *gacl = NULL;
244 DEBUG(10, ("gpfs_get_nfs4_acl invoked for %s\n", fname));
246 /* First get the real acl length */
247 gacl = gpfs_getacl_alloc(fname, 0);
249 DEBUG(9, ("gpfs_getacl failed for %s with %s\n",
250 fname, strerror(errno)));
254 if (gacl->acl_type != GPFS_ACL_TYPE_NFS4) {
255 DEBUG(10, ("Got non-nfsv4 acl\n"));
256 /* Retry with POSIX ACLs check */
260 *ppacl = smb_create_smb4acl();
262 DEBUG(10, ("len: %d, level: %d, version: %d, nace: %d\n",
263 gacl->acl_len, gacl->acl_level, gacl->acl_version,
266 for (i=0; i<gacl->acl_nace; i++) {
267 struct gpfs_ace_v4 *gace = &gacl->ace_v4[i];
268 SMB_ACE4PROP_T smbace;
269 DEBUG(10, ("type: %d, iflags: %x, flags: %x, mask: %x, "
270 "who: %d\n", gace->aceType, gace->aceIFlags,
271 gace->aceFlags, gace->aceMask, gace->aceWho));
274 if (gace->aceIFlags & ACE4_IFLAG_SPECIAL_ID) {
275 smbace.flags |= SMB_ACE4_ID_SPECIAL;
276 switch (gace->aceWho) {
277 case ACE4_SPECIAL_OWNER:
278 smbace.who.special_id = SMB_ACE4_WHO_OWNER;
280 case ACE4_SPECIAL_GROUP:
281 smbace.who.special_id = SMB_ACE4_WHO_GROUP;
283 case ACE4_SPECIAL_EVERYONE:
284 smbace.who.special_id = SMB_ACE4_WHO_EVERYONE;
287 DEBUG(8, ("invalid special gpfs id %d "
288 "ignored\n", gace->aceWho));
289 continue; /* don't add it */
292 if (gace->aceFlags & ACE4_FLAG_GROUP_ID)
293 smbace.who.gid = gace->aceWho;
295 smbace.who.uid = gace->aceWho;
298 /* remove redundent deny entries */
299 if (i > 0 && gace->aceType == SMB_ACE4_ACCESS_DENIED_ACE_TYPE) {
300 struct gpfs_ace_v4 *prev = &gacl->ace_v4[i-1];
301 if (prev->aceType == SMB_ACE4_ACCESS_ALLOWED_ACE_TYPE &&
302 prev->aceFlags == gace->aceFlags &&
303 prev->aceIFlags == gace->aceIFlags &&
304 (gace->aceMask & prev->aceMask) == 0 &&
305 gace->aceWho == prev->aceWho) {
306 /* its redundent - skip it */
311 smbace.aceType = gace->aceType;
312 smbace.aceFlags = gace->aceFlags;
313 smbace.aceMask = gace->aceMask;
314 smb_add_ace4(*ppacl, &smbace);
320 static NTSTATUS gpfsacl_fget_nt_acl(vfs_handle_struct *handle,
321 files_struct *fsp, uint32 security_info,
324 SMB4ACL_T *pacl = NULL;
328 result = gpfs_get_nfs4_acl(fsp->fsp_name, &pacl);
331 return smb_fget_nt_acl_nfs4(fsp, security_info, ppdesc, pacl);
334 DEBUG(10, ("retrying with posix acl...\n"));
335 return posix_fget_nt_acl(fsp, security_info, ppdesc);
338 /* GPFS ACL was not read, something wrong happened, error code is set in errno */
339 return map_nt_error_from_unix(errno);
342 static NTSTATUS gpfsacl_get_nt_acl(vfs_handle_struct *handle,
344 uint32 security_info, SEC_DESC **ppdesc)
346 SMB4ACL_T *pacl = NULL;
350 result = gpfs_get_nfs4_acl(name, &pacl);
353 return smb_get_nt_acl_nfs4(handle->conn, name, security_info, ppdesc, pacl);
356 DEBUG(10, ("retrying with posix acl...\n"));
357 return posix_get_nt_acl(handle->conn, name, security_info, ppdesc);
360 /* GPFS ACL was not read, something wrong happened, error code is set in errno */
361 return map_nt_error_from_unix(errno);
364 static bool gpfsacl_process_smbacl(files_struct *fsp, SMB4ACL_T *smbacl)
367 gpfs_aclLen_t gacl_len;
369 struct gpfs_acl *gacl;
370 TALLOC_CTX *mem_ctx = talloc_tos();
372 gacl_len = sizeof(struct gpfs_acl) +
373 (smb_get_naces(smbacl)-1)*sizeof(gpfs_ace_v4_t);
375 gacl = (struct gpfs_acl *)TALLOC_SIZE(mem_ctx, gacl_len);
377 DEBUG(0, ("talloc failed\n"));
382 gacl->acl_len = gacl_len;
384 gacl->acl_version = GPFS_ACL_VERSION_NFS4;
385 gacl->acl_type = GPFS_ACL_TYPE_NFS4;
386 gacl->acl_nace = 0; /* change later... */
388 for (smbace=smb_first_ace4(smbacl); smbace!=NULL; smbace = smb_next_ace4(smbace)) {
389 struct gpfs_ace_v4 *gace = &gacl->ace_v4[gacl->acl_nace];
390 SMB_ACE4PROP_T *aceprop = smb_get_ace4(smbace);
392 gace->aceType = aceprop->aceType;
393 gace->aceFlags = aceprop->aceFlags;
394 gace->aceMask = aceprop->aceMask;
397 * GPFS can't distinguish between WRITE and APPEND on
398 * files, so one being set without the other is an
399 * error. Sorry for the many ()'s :-)
402 if (!fsp->is_directory
404 ((((gace->aceMask & ACE4_MASK_WRITE) == 0)
405 && ((gace->aceMask & ACE4_MASK_APPEND) != 0))
407 (((gace->aceMask & ACE4_MASK_WRITE) != 0)
408 && ((gace->aceMask & ACE4_MASK_APPEND) == 0)))
410 lp_parm_bool(fsp->conn->params->service, "gpfs",
411 "merge_writeappend", True)) {
412 DEBUG(2, ("vfs_gpfs.c: file [%s]: ACE contains "
413 "WRITE^APPEND, setting WRITE|APPEND\n",
415 gace->aceMask |= ACE4_MASK_WRITE|ACE4_MASK_APPEND;
418 gace->aceIFlags = (aceprop->flags&SMB_ACE4_ID_SPECIAL) ? ACE4_IFLAG_SPECIAL_ID : 0;
420 if (aceprop->flags&SMB_ACE4_ID_SPECIAL)
422 switch(aceprop->who.special_id)
424 case SMB_ACE4_WHO_EVERYONE:
425 gace->aceWho = ACE4_SPECIAL_EVERYONE;
427 case SMB_ACE4_WHO_OWNER:
428 gace->aceWho = ACE4_SPECIAL_OWNER;
430 case SMB_ACE4_WHO_GROUP:
431 gace->aceWho = ACE4_SPECIAL_GROUP;
434 DEBUG(8, ("unsupported special_id %d\n", aceprop->who.special_id));
435 continue; /* don't add it !!! */
438 /* just only for the type safety... */
439 if (aceprop->aceFlags&SMB_ACE4_IDENTIFIER_GROUP)
440 gace->aceWho = aceprop->who.gid;
442 gace->aceWho = aceprop->who.uid;
448 ret = smbd_gpfs_putacl(fsp->fsp_name, GPFS_PUTACL_STRUCT | GPFS_ACL_SAMBA, gacl);
450 DEBUG(8, ("gpfs_putacl failed with %s\n", strerror(errno)));
451 gpfs_dumpacl(8, gacl);
455 DEBUG(10, ("gpfs_putacl succeeded\n"));
459 static NTSTATUS gpfsacl_set_nt_acl_internal(files_struct *fsp, uint32 security_info_sent, const SEC_DESC *psd)
461 struct gpfs_acl *acl;
462 NTSTATUS result = NT_STATUS_ACCESS_DENIED;
464 acl = gpfs_getacl_alloc(fsp->fsp_name, 0);
468 if (acl->acl_version&GPFS_ACL_VERSION_NFS4)
470 if (lp_parm_bool(fsp->conn->params->service, "gpfs",
471 "refuse_dacl_protected", false)
472 && (psd->type&SEC_DESC_DACL_PROTECTED)) {
473 DEBUG(2, ("Rejecting unsupported ACL with DACL_PROTECTED bit set\n"));
474 return NT_STATUS_NOT_SUPPORTED;
477 result = smb_set_nt_acl_nfs4(
478 fsp, security_info_sent, psd,
479 gpfsacl_process_smbacl);
480 } else { /* assume POSIX ACL - by default... */
481 result = set_nt_acl(fsp, security_info_sent, psd);
487 static NTSTATUS gpfsacl_fset_nt_acl(vfs_handle_struct *handle, files_struct *fsp, uint32 security_info_sent, const SEC_DESC *psd)
489 return gpfsacl_set_nt_acl_internal(fsp, security_info_sent, psd);
492 static SMB_ACL_T gpfs2smb_acl(const struct gpfs_acl *pacl)
497 result = sys_acl_init(pacl->acl_nace);
498 if (result == NULL) {
503 result->count = pacl->acl_nace;
505 for (i=0; i<pacl->acl_nace; i++) {
506 struct smb_acl_entry *ace = &result->acl[i];
507 const struct gpfs_ace_v1 *g_ace = &pacl->ace_v1[i];
509 DEBUG(10, ("Converting type %d id %lu perm %x\n",
510 (int)g_ace->ace_type, (unsigned long)g_ace->ace_who,
511 (int)g_ace->ace_perm));
513 switch (g_ace->ace_type) {
515 ace->a_type = SMB_ACL_USER;
516 ace->uid = (uid_t)g_ace->ace_who;
518 case GPFS_ACL_USER_OBJ:
519 ace->a_type = SMB_ACL_USER_OBJ;
522 ace->a_type = SMB_ACL_GROUP;
523 ace->gid = (gid_t)g_ace->ace_who;
525 case GPFS_ACL_GROUP_OBJ:
526 ace->a_type = SMB_ACL_GROUP_OBJ;
529 ace->a_type = SMB_ACL_OTHER;
532 ace->a_type = SMB_ACL_MASK;
535 DEBUG(10, ("Got invalid ace_type: %d\n",
543 ace->a_perm |= (g_ace->ace_perm & ACL_PERM_READ) ?
545 ace->a_perm |= (g_ace->ace_perm & ACL_PERM_WRITE) ?
547 ace->a_perm |= (g_ace->ace_perm & ACL_PERM_EXECUTE) ?
550 DEBUGADD(10, ("Converted to %d perm %x\n",
551 ace->a_type, ace->a_perm));
557 static SMB_ACL_T gpfsacl_get_posix_acl(const char *path, gpfs_aclType_t type)
559 struct gpfs_acl *pacl;
560 SMB_ACL_T result = NULL;
562 pacl = gpfs_getacl_alloc(path, type);
565 DEBUG(10, ("gpfs_getacl failed for %s with %s\n",
566 path, strerror(errno)));
573 if (pacl->acl_version != GPFS_ACL_VERSION_POSIX) {
574 DEBUG(10, ("Got acl version %d, expected %d\n",
575 pacl->acl_version, GPFS_ACL_VERSION_POSIX));
580 DEBUG(10, ("len: %d, level: %d, version: %d, nace: %d\n",
581 pacl->acl_len, pacl->acl_level, pacl->acl_version,
584 result = gpfs2smb_acl(pacl);
585 if (result == NULL) {
597 static SMB_ACL_T gpfsacl_sys_acl_get_file(vfs_handle_struct *handle,
601 gpfs_aclType_t gpfs_type;
604 case SMB_ACL_TYPE_ACCESS:
605 gpfs_type = GPFS_ACL_TYPE_ACCESS;
607 case SMB_ACL_TYPE_DEFAULT:
608 gpfs_type = GPFS_ACL_TYPE_DEFAULT;
611 DEBUG(0, ("Got invalid type: %d\n", type));
612 smb_panic("exiting");
615 return gpfsacl_get_posix_acl(path_p, gpfs_type);
618 static SMB_ACL_T gpfsacl_sys_acl_get_fd(vfs_handle_struct *handle,
621 return gpfsacl_get_posix_acl(fsp->fsp_name, GPFS_ACL_TYPE_ACCESS);
624 static struct gpfs_acl *smb2gpfs_acl(const SMB_ACL_T pacl,
628 struct gpfs_acl *result;
632 gpfs_ace_v1_t ace_v1[1]; /* when GPFS_ACL_VERSION_POSIX */
633 gpfs_ace_v4_t ace_v4[1]; /* when GPFS_ACL_VERSION_NFS4 */
636 DEBUG(10, ("smb2gpfs_acl: Got ACL with %d entries\n", pacl->count));
638 len = sizeof(struct gpfs_acl) - sizeof(union gpfs_ace_union) +
639 (pacl->count)*sizeof(gpfs_ace_v1_t);
641 result = (struct gpfs_acl *)SMB_MALLOC(len);
642 if (result == NULL) {
647 result->acl_len = len;
648 result->acl_level = 0;
649 result->acl_version = GPFS_ACL_VERSION_POSIX;
650 result->acl_type = (type == SMB_ACL_TYPE_DEFAULT) ?
651 GPFS_ACL_TYPE_DEFAULT : GPFS_ACL_TYPE_ACCESS;
652 result->acl_nace = pacl->count;
654 for (i=0; i<pacl->count; i++) {
655 const struct smb_acl_entry *ace = &pacl->acl[i];
656 struct gpfs_ace_v1 *g_ace = &result->ace_v1[i];
658 DEBUG(10, ("Converting type %d perm %x\n",
659 (int)ace->a_type, (int)ace->a_perm));
663 switch(ace->a_type) {
665 g_ace->ace_type = GPFS_ACL_USER;
666 g_ace->ace_who = (gpfs_uid_t)ace->uid;
668 case SMB_ACL_USER_OBJ:
669 g_ace->ace_type = GPFS_ACL_USER_OBJ;
670 g_ace->ace_perm |= ACL_PERM_CONTROL;
674 g_ace->ace_type = GPFS_ACL_GROUP;
675 g_ace->ace_who = (gpfs_uid_t)ace->gid;
677 case SMB_ACL_GROUP_OBJ:
678 g_ace->ace_type = GPFS_ACL_GROUP_OBJ;
682 g_ace->ace_type = GPFS_ACL_MASK;
683 g_ace->ace_perm = 0x8f;
687 g_ace->ace_type = GPFS_ACL_OTHER;
691 DEBUG(10, ("Got invalid ace_type: %d\n", ace->a_type));
697 g_ace->ace_perm |= (ace->a_perm & SMB_ACL_READ) ?
699 g_ace->ace_perm |= (ace->a_perm & SMB_ACL_WRITE) ?
701 g_ace->ace_perm |= (ace->a_perm & SMB_ACL_EXECUTE) ?
702 ACL_PERM_EXECUTE : 0;
704 DEBUGADD(10, ("Converted to %d id %d perm %x\n",
705 g_ace->ace_type, g_ace->ace_who, g_ace->ace_perm));
711 static int gpfsacl_sys_acl_set_file(vfs_handle_struct *handle,
716 struct gpfs_acl *gpfs_acl;
719 gpfs_acl = smb2gpfs_acl(theacl, type);
720 if (gpfs_acl == NULL) {
724 result = smbd_gpfs_putacl((char *)name, GPFS_PUTACL_STRUCT | GPFS_ACL_SAMBA, gpfs_acl);
730 static int gpfsacl_sys_acl_set_fd(vfs_handle_struct *handle,
734 return gpfsacl_sys_acl_set_file(handle, fsp->fsp_name, SMB_ACL_TYPE_ACCESS, theacl);
737 static int gpfsacl_sys_acl_delete_def_file(vfs_handle_struct *handle,
745 * Assumed: mode bits are shiftable and standard
746 * Output: the new aceMask field for an smb nfs4 ace
748 static uint32 gpfsacl_mask_filter(uint32 aceType, uint32 aceMask, uint32 rwx)
750 const uint32 posix_nfs4map[3] = {
751 SMB_ACE4_EXECUTE, /* execute */
752 SMB_ACE4_WRITE_DATA | SMB_ACE4_APPEND_DATA, /* write; GPFS specific */
753 SMB_ACE4_READ_DATA /* read */
756 uint32_t posix_mask = 0x01;
761 nfs4_bits = posix_nfs4map[i];
762 posix_bit = rwx & posix_mask;
764 if (aceType==SMB_ACE4_ACCESS_ALLOWED_ACE_TYPE) {
766 aceMask |= nfs4_bits;
768 aceMask &= ~nfs4_bits;
770 /* add deny bits when suitable */
772 aceMask |= nfs4_bits;
774 aceMask &= ~nfs4_bits;
775 } /* other ace types are unexpected */
783 static int gpfsacl_emu_chmod(const char *path, mode_t mode)
785 SMB4ACL_T *pacl = NULL;
787 bool haveAllowEntry[SMB_ACE4_WHO_EVERYONE + 1] = {False, False, False, False};
789 files_struct fake_fsp; /* TODO: rationalize parametrization */
792 DEBUG(10, ("gpfsacl_emu_chmod invoked for %s mode %o\n", path, mode));
794 result = gpfs_get_nfs4_acl(path, &pacl);
798 if (mode & ~(S_IRWXU | S_IRWXG | S_IRWXO)) {
799 DEBUG(2, ("WARNING: cutting extra mode bits %o on %s\n", mode, path));
802 for (smbace=smb_first_ace4(pacl); smbace!=NULL; smbace = smb_next_ace4(smbace)) {
803 SMB_ACE4PROP_T *ace = smb_get_ace4(smbace);
804 uint32_t specid = ace->who.special_id;
806 if (ace->flags&SMB_ACE4_ID_SPECIAL &&
807 ace->aceType<=SMB_ACE4_ACCESS_DENIED_ACE_TYPE &&
808 specid <= SMB_ACE4_WHO_EVERYONE) {
812 if (ace->aceType==SMB_ACE4_ACCESS_ALLOWED_ACE_TYPE)
813 haveAllowEntry[specid] = True;
815 /* mode >> 6 for @owner, mode >> 3 for @group,
816 * mode >> 0 for @everyone */
817 newMask = gpfsacl_mask_filter(ace->aceType, ace->aceMask,
818 mode >> ((SMB_ACE4_WHO_EVERYONE - specid) * 3));
819 if (ace->aceMask!=newMask) {
820 DEBUG(10, ("ace changed for %s (%o -> %o) id=%d\n",
821 path, ace->aceMask, newMask, specid));
823 ace->aceMask = newMask;
827 /* make sure we have at least ALLOW entries
828 * for all the 3 special ids (@EVERYONE, @OWNER, @GROUP)
831 for(i = SMB_ACE4_WHO_OWNER; i<=SMB_ACE4_WHO_EVERYONE; i++) {
834 if (haveAllowEntry[i]==True)
838 ace.aceType = SMB_ACE4_ACCESS_ALLOWED_ACE_TYPE;
839 ace.flags |= SMB_ACE4_ID_SPECIAL;
840 ace.who.special_id = i;
842 if (i==SMB_ACE4_WHO_GROUP) /* not sure it's necessary... */
843 ace.aceFlags |= SMB_ACE4_IDENTIFIER_GROUP;
845 ace.aceMask = gpfsacl_mask_filter(ace.aceType, ace.aceMask,
846 mode >> ((SMB_ACE4_WHO_EVERYONE - i) * 3));
848 /* don't add unnecessary aces */
852 /* we add it to the END - as windows expects allow aces */
853 smb_add_ace4(pacl, &ace);
854 DEBUG(10, ("Added ALLOW ace for %s, mode=%o, id=%d, aceMask=%x\n",
855 path, mode, i, ace.aceMask));
858 /* don't add complementary DENY ACEs here */
859 ZERO_STRUCT(fake_fsp);
860 fake_fsp.fsp_name = (char *)path; /* no file_new is needed here */
863 if (gpfsacl_process_smbacl(&fake_fsp, pacl) == False)
865 return 0; /* ok for [f]chmod */
868 static int vfs_gpfs_chmod(vfs_handle_struct *handle, const char *path, mode_t mode)
873 if (SMB_VFS_NEXT_STAT(handle, path, &st) != 0) {
877 /* avoid chmod() if possible, to preserve acls */
878 if ((st.st_ex_mode & ~S_IFMT) == mode) {
882 rc = gpfsacl_emu_chmod(path, mode);
884 return SMB_VFS_NEXT_CHMOD(handle, path, mode);
888 static int vfs_gpfs_fchmod(vfs_handle_struct *handle, files_struct *fsp, mode_t mode)
893 if (SMB_VFS_NEXT_FSTAT(handle, fsp, &st) != 0) {
897 /* avoid chmod() if possible, to preserve acls */
898 if ((st.st_ex_mode & ~S_IFMT) == mode) {
902 rc = gpfsacl_emu_chmod(fsp->fsp_name, mode);
904 return SMB_VFS_NEXT_FCHMOD(handle, fsp, mode);
908 static int gpfs_set_xattr(struct vfs_handle_struct *handle, const char *path,
909 const char *name, const void *value, size_t size, int flags){
910 const char *attrstr = value;
911 unsigned int dosmode=0;
912 struct gpfs_winattr attrs;
915 DEBUG(10, ("gpfs_set_xattr: %s \n",path));
917 /* Only handle DOS Attributes */
918 if (strcmp(name,SAMBA_XATTR_DOS_ATTRIB) != 0){
919 DEBUG(1, ("gpfs_set_xattr:name is %s\n",name));
920 return SMB_VFS_NEXT_SETXATTR(handle,path,name,value,size,flags);
923 if (size < 2 || attrstr[0] != '0' || attrstr[1] != 'x' ||
924 sscanf(attrstr, "%x", &dosmode) != 1) {
925 DEBUG(1,("gpfs_set_xattr: Trying to set badly formed DOSATTRIB on file %s - %s\n", path, attrstr));
930 /*Just map RD_ONLY, ARCHIVE, SYSTEM and HIDDEN. Ignore the others*/
931 if (dosmode & FILE_ATTRIBUTE_ARCHIVE){
932 attrs.winAttrs |= GPFS_WINATTR_ARCHIVE;
934 if (dosmode & FILE_ATTRIBUTE_HIDDEN){
935 attrs.winAttrs |= GPFS_WINATTR_HIDDEN;
937 if (dosmode & FILE_ATTRIBUTE_SYSTEM){
938 attrs.winAttrs |= GPFS_WINATTR_SYSTEM;
940 if (dosmode & FILE_ATTRIBUTE_READONLY){
941 attrs.winAttrs |= GPFS_WINATTR_READONLY;
945 ret = set_gpfs_winattrs(CONST_DISCARD(char *, path),
946 GPFS_WINATTR_SET_ATTRS, &attrs);
948 if (errno == ENOSYS) {
949 return SMB_VFS_NEXT_SETXATTR(handle, path, name, value,
953 DEBUG(1, ("gpfs_set_xattr:Set GPFS attributes failed %d\n",ret));
957 DEBUG(10, ("gpfs_set_xattr:Set attributes: 0x%x\n",attrs.winAttrs));
961 static size_t gpfs_get_xattr(struct vfs_handle_struct *handle, const char *path,
962 const char *name, void *value, size_t size){
963 char *attrstr = value;
964 unsigned int dosmode = 0;
965 struct gpfs_winattr attrs;
968 DEBUG(10, ("gpfs_get_xattr: %s \n",path));
970 /* Only handle DOS Attributes */
971 if (strcmp(name,SAMBA_XATTR_DOS_ATTRIB) != 0){
972 DEBUG(1, ("gpfs_get_xattr:name is %s\n",name));
973 return SMB_VFS_NEXT_GETXATTR(handle,path,name,value,size);
976 ret = get_gpfs_winattrs(CONST_DISCARD(char *, path), &attrs);
978 if (errno == ENOSYS) {
979 return SMB_VFS_NEXT_GETXATTR(handle, path, name, value,
983 DEBUG(1, ("gpfs_get_xattr: Get GPFS attributes failed: %d\n",ret));
987 DEBUG(10, ("gpfs_get_xattr:Got attributes: 0x%x\n",attrs.winAttrs));
989 /*Just map RD_ONLY, ARCHIVE, SYSTEM and HIDDEN. Ignore the others*/
990 if (attrs.winAttrs & GPFS_WINATTR_ARCHIVE){
991 dosmode |= FILE_ATTRIBUTE_ARCHIVE;
993 if (attrs.winAttrs & GPFS_WINATTR_HIDDEN){
994 dosmode |= FILE_ATTRIBUTE_HIDDEN;
996 if (attrs.winAttrs & GPFS_WINATTR_SYSTEM){
997 dosmode |= FILE_ATTRIBUTE_SYSTEM;
999 if (attrs.winAttrs & GPFS_WINATTR_READONLY){
1000 dosmode |= FILE_ATTRIBUTE_READONLY;
1003 snprintf(attrstr, size, "0x%x", dosmode & SAMBA_ATTRIBUTES_MASK);
1004 DEBUG(10, ("gpfs_get_xattr: returning %s\n",attrstr));
1008 static int vfs_gpfs_stat(struct vfs_handle_struct *handle, const char *fname,
1009 SMB_STRUCT_STAT *sbuf)
1011 struct gpfs_winattr attrs;
1014 ret = SMB_VFS_NEXT_STAT(handle, fname, sbuf);
1018 ret = get_gpfs_winattrs(CONST_DISCARD(char *, fname), &attrs);
1020 sbuf->st_ex_btime.tv_sec = attrs.creationTime.tv_sec;
1021 sbuf->st_ex_btime.tv_nsec = attrs.creationTime.tv_nsec;
1026 static int vfs_gpfs_fstat(struct vfs_handle_struct *handle,
1027 struct files_struct *fsp, SMB_STRUCT_STAT *sbuf)
1029 struct gpfs_winattr attrs;
1032 ret = SMB_VFS_NEXT_FSTAT(handle, fsp, sbuf);
1036 if ((fsp->fh == NULL) || (fsp->fh->fd == -1)) {
1039 ret = smbd_fget_gpfs_winattrs(fsp->fh->fd, &attrs);
1041 sbuf->st_ex_btime.tv_sec = attrs.creationTime.tv_sec;
1042 sbuf->st_ex_btime.tv_nsec = attrs.creationTime.tv_nsec;
1047 static int vfs_gpfs_lstat(struct vfs_handle_struct *handle, const char *path,
1048 SMB_STRUCT_STAT *sbuf)
1050 struct gpfs_winattr attrs;
1053 ret = SMB_VFS_NEXT_LSTAT(handle, path, sbuf);
1057 ret = get_gpfs_winattrs(CONST_DISCARD(char *, path), &attrs);
1059 sbuf->st_ex_btime.tv_sec = attrs.creationTime.tv_sec;
1060 sbuf->st_ex_btime.tv_nsec = attrs.creationTime.tv_nsec;
1065 static int vfs_gpfs_ftruncate(vfs_handle_struct *handle, files_struct *fsp,
1070 result = smbd_gpfs_ftrunctate(fsp->fh->fd, len);
1071 if ((result == -1) && (errno == ENOSYS)) {
1072 return SMB_VFS_NEXT_FTRUNCATE(handle, fsp, len);
1077 static int vfs_gpfs_ntimes(struct vfs_handle_struct *handle,
1078 const char *path, struct smb_file_time *ft)
1081 struct gpfs_winattr attrs;
1084 ret = SMB_VFS_NEXT_NTIMES(handle, path, ft);
1086 DEBUG(1,("vfs_gpfs_ntimes: SMB_VFS_NEXT_NTIMES failed\n"));
1090 if(null_timespec(ft->create_time)){
1091 DEBUG(10,("vfs_gpfs_ntimes:Create Time is NULL\n"));
1095 attrs.creationTime.tv_sec = ft->create_time.tv_sec;
1096 attrs.creationTime.tv_nsec = ft->create_time.tv_nsec;
1098 ret = set_gpfs_winattrs(CONST_DISCARD(char *, path),
1099 GPFS_WINATTR_SET_CREATION_TIME, &attrs);
1100 if(ret == -1 && errno != ENOSYS){
1101 DEBUG(1,("vfs_gpfs_ntimes: set GPFS ntimes failed %d\n",ret));
1108 /* VFS operations structure */
1110 static vfs_op_tuple gpfs_op_tuples[] = {
1112 { SMB_VFS_OP(vfs_gpfs_kernel_flock),
1113 SMB_VFS_OP_KERNEL_FLOCK,
1114 SMB_VFS_LAYER_OPAQUE },
1116 { SMB_VFS_OP(vfs_gpfs_setlease),
1117 SMB_VFS_OP_LINUX_SETLEASE,
1118 SMB_VFS_LAYER_OPAQUE },
1120 { SMB_VFS_OP(vfs_gpfs_get_real_filename),
1121 SMB_VFS_OP_GET_REAL_FILENAME,
1122 SMB_VFS_LAYER_OPAQUE },
1124 { SMB_VFS_OP(gpfsacl_fget_nt_acl),
1125 SMB_VFS_OP_FGET_NT_ACL,
1126 SMB_VFS_LAYER_TRANSPARENT },
1128 { SMB_VFS_OP(gpfsacl_get_nt_acl),
1129 SMB_VFS_OP_GET_NT_ACL,
1130 SMB_VFS_LAYER_TRANSPARENT },
1132 { SMB_VFS_OP(gpfsacl_fset_nt_acl),
1133 SMB_VFS_OP_FSET_NT_ACL,
1134 SMB_VFS_LAYER_TRANSPARENT },
1136 { SMB_VFS_OP(gpfsacl_sys_acl_get_file),
1137 SMB_VFS_OP_SYS_ACL_GET_FILE,
1138 SMB_VFS_LAYER_TRANSPARENT },
1140 { SMB_VFS_OP(gpfsacl_sys_acl_get_fd),
1141 SMB_VFS_OP_SYS_ACL_GET_FD,
1142 SMB_VFS_LAYER_TRANSPARENT },
1144 { SMB_VFS_OP(gpfsacl_sys_acl_set_file),
1145 SMB_VFS_OP_SYS_ACL_SET_FILE,
1146 SMB_VFS_LAYER_TRANSPARENT },
1148 { SMB_VFS_OP(gpfsacl_sys_acl_set_fd),
1149 SMB_VFS_OP_SYS_ACL_SET_FD,
1150 SMB_VFS_LAYER_TRANSPARENT },
1152 { SMB_VFS_OP(gpfsacl_sys_acl_delete_def_file),
1153 SMB_VFS_OP_SYS_ACL_DELETE_DEF_FILE,
1154 SMB_VFS_LAYER_TRANSPARENT },
1156 { SMB_VFS_OP(vfs_gpfs_chmod),
1158 SMB_VFS_LAYER_TRANSPARENT },
1160 { SMB_VFS_OP(vfs_gpfs_fchmod),
1162 SMB_VFS_LAYER_TRANSPARENT },
1164 { SMB_VFS_OP(vfs_gpfs_close),
1166 SMB_VFS_LAYER_TRANSPARENT },
1168 { SMB_VFS_OP(gpfs_set_xattr),
1169 SMB_VFS_OP_SETXATTR,
1170 SMB_VFS_LAYER_TRANSPARENT },
1172 { SMB_VFS_OP(gpfs_get_xattr),
1173 SMB_VFS_OP_GETXATTR,
1174 SMB_VFS_LAYER_TRANSPARENT },
1176 { SMB_VFS_OP(vfs_gpfs_stat),
1178 SMB_VFS_LAYER_TRANSPARENT },
1180 { SMB_VFS_OP(vfs_gpfs_fstat),
1182 SMB_VFS_LAYER_TRANSPARENT },
1184 { SMB_VFS_OP(vfs_gpfs_lstat),
1186 SMB_VFS_LAYER_TRANSPARENT },
1188 { SMB_VFS_OP(vfs_gpfs_ftruncate),
1189 SMB_VFS_OP_FTRUNCATE,
1190 SMB_VFS_LAYER_TRANSPARENT },
1192 { SMB_VFS_OP(vfs_gpfs_ntimes),
1194 SMB_VFS_LAYER_TRANSPARENT },
1196 { SMB_VFS_OP(NULL), SMB_VFS_OP_NOOP, SMB_VFS_LAYER_NOOP }
1201 NTSTATUS vfs_gpfs_init(void);
1202 NTSTATUS vfs_gpfs_init(void)
1206 return smb_register_vfs(SMB_VFS_INTERFACE_VERSION, "gpfs",