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/>.
25 #include "librpc/gen_ndr/ndr_xattr.h"
28 #define DBGC_CLASS DBGC_VFS
31 #include "nfs4_acls.h"
34 struct gpfs_config_data {
41 static int vfs_gpfs_kernel_flock(vfs_handle_struct *handle, files_struct *fsp,
42 uint32 share_mode, uint32 access_mask)
45 struct gpfs_config_data *config;
47 SMB_VFS_HANDLE_GET_DATA(handle, config,
48 struct gpfs_config_data,
51 START_PROFILE(syscall_kernel_flock);
53 kernel_flock(fsp->fh->fd, share_mode, access_mask);
55 if (config->sharemodes
56 && !set_gpfs_sharemode(fsp, access_mask, fsp->share_access)) {
60 END_PROFILE(syscall_kernel_flock);
65 static int vfs_gpfs_close(vfs_handle_struct *handle, files_struct *fsp)
68 struct gpfs_config_data *config;
70 SMB_VFS_HANDLE_GET_DATA(handle, config,
71 struct gpfs_config_data,
74 if (config->sharemodes && (fsp->fh != NULL) && (fsp->fh->fd != -1)) {
75 set_gpfs_sharemode(fsp, 0, 0);
78 return SMB_VFS_NEXT_CLOSE(handle, fsp);
81 static int vfs_gpfs_setlease(vfs_handle_struct *handle, files_struct *fsp,
84 struct gpfs_config_data *config;
87 SMB_VFS_HANDLE_GET_DATA(handle, config,
88 struct gpfs_config_data,
91 START_PROFILE(syscall_linux_setlease);
93 if (linux_set_lease_sighandler(fsp->fh->fd) == -1)
97 ret = set_gpfs_lease(fsp->fh->fd,leasetype);
101 /* This must have come from GPFS not being available */
102 /* or some other error, hence call the default */
103 ret = linux_setlease(fsp->fh->fd, leasetype);
106 END_PROFILE(syscall_linux_setlease);
111 static int vfs_gpfs_get_real_filename(struct vfs_handle_struct *handle,
119 char real_pathname[PATH_MAX+1];
123 mangled = mangle_is_mangled(name, handle->conn->params);
125 return SMB_VFS_NEXT_GET_REAL_FILENAME(handle, path, name,
126 mem_ctx, found_name);
129 full_path = talloc_asprintf(talloc_tos(), "%s/%s", path, name);
130 if (full_path == NULL) {
135 buflen = sizeof(real_pathname) - 1;
137 result = smbd_gpfs_get_realfilename_path(full_path, real_pathname,
140 TALLOC_FREE(full_path);
142 if ((result == -1) && (errno == ENOSYS)) {
143 return SMB_VFS_NEXT_GET_REAL_FILENAME(
144 handle, path, name, mem_ctx, found_name);
148 DEBUG(10, ("smbd_gpfs_get_realfilename_path returned %s\n",
154 * GPFS does not necessarily null-terminate the returned path
155 * but instead returns the buffer length in buflen.
158 if (buflen < sizeof(real_pathname)) {
159 real_pathname[buflen] = '\0';
161 real_pathname[sizeof(real_pathname)-1] = '\0';
164 DEBUG(10, ("smbd_gpfs_get_realfilename_path: %s/%s -> %s\n",
165 path, name, real_pathname));
167 name = strrchr_m(real_pathname, '/');
173 *found_name = talloc_strdup(mem_ctx, name+1);
174 if (*found_name == NULL) {
182 static void gpfs_dumpacl(int level, struct gpfs_acl *gacl)
187 DEBUG(0, ("gpfs acl is NULL\n"));
191 DEBUG(level, ("gpfs acl: nace: %d, type:%d, version:%d, level:%d, len:%d\n",
192 gacl->acl_nace, gacl->acl_type, gacl->acl_version, gacl->acl_level, gacl->acl_len));
193 for(i=0; i<gacl->acl_nace; i++)
195 struct gpfs_ace_v4 *gace = gacl->ace_v4 + i;
196 DEBUG(level, ("\tace[%d]: type:%d, flags:0x%x, mask:0x%x, iflags:0x%x, who:%u\n",
197 i, gace->aceType, gace->aceFlags, gace->aceMask,
198 gace->aceIFlags, gace->aceWho));
202 static struct gpfs_acl *gpfs_getacl_alloc(const char *fname, gpfs_aclType_t type)
204 struct gpfs_acl *acl;
207 TALLOC_CTX *mem_ctx = talloc_tos();
209 acl = (struct gpfs_acl *)TALLOC_SIZE(mem_ctx, len);
217 acl->acl_version = 0;
218 acl->acl_type = type;
220 ret = smbd_gpfs_getacl((char *)fname, GPFS_GETACL_STRUCT | GPFS_ACL_SAMBA, acl);
221 if ((ret != 0) && (errno == ENOSPC)) {
222 struct gpfs_acl *new_acl = (struct gpfs_acl *)TALLOC_SIZE(
223 mem_ctx, acl->acl_len + sizeof(struct gpfs_acl));
224 if (new_acl == NULL) {
229 new_acl->acl_len = acl->acl_len;
230 new_acl->acl_level = acl->acl_level;
231 new_acl->acl_version = acl->acl_version;
232 new_acl->acl_type = acl->acl_type;
235 ret = smbd_gpfs_getacl((char *)fname, GPFS_GETACL_STRUCT | GPFS_ACL_SAMBA, acl);
239 DEBUG(8, ("smbd_gpfs_getacl failed with %s\n",strerror(errno)));
246 /* Tries to get nfs4 acls and returns SMB ACL allocated.
247 * On failure returns 1 if it got non-NFSv4 ACL to prompt
248 * retry with POSIX ACL checks.
249 * On failure returns -1 if there is system (GPFS) error, check errno.
250 * Returns 0 on success
252 static int gpfs_get_nfs4_acl(const char *fname, SMB4ACL_T **ppacl)
255 struct gpfs_acl *gacl = NULL;
256 DEBUG(10, ("gpfs_get_nfs4_acl invoked for %s\n", fname));
258 /* First get the real acl length */
259 gacl = gpfs_getacl_alloc(fname, 0);
261 DEBUG(9, ("gpfs_getacl failed for %s with %s\n",
262 fname, strerror(errno)));
266 if (gacl->acl_type != GPFS_ACL_TYPE_NFS4) {
267 DEBUG(10, ("Got non-nfsv4 acl\n"));
268 /* Retry with POSIX ACLs check */
272 *ppacl = smb_create_smb4acl();
274 DEBUG(10, ("len: %d, level: %d, version: %d, nace: %d\n",
275 gacl->acl_len, gacl->acl_level, gacl->acl_version,
278 for (i=0; i<gacl->acl_nace; i++) {
279 struct gpfs_ace_v4 *gace = &gacl->ace_v4[i];
280 SMB_ACE4PROP_T smbace;
281 DEBUG(10, ("type: %d, iflags: %x, flags: %x, mask: %x, "
282 "who: %d\n", gace->aceType, gace->aceIFlags,
283 gace->aceFlags, gace->aceMask, gace->aceWho));
286 if (gace->aceIFlags & ACE4_IFLAG_SPECIAL_ID) {
287 smbace.flags |= SMB_ACE4_ID_SPECIAL;
288 switch (gace->aceWho) {
289 case ACE4_SPECIAL_OWNER:
290 smbace.who.special_id = SMB_ACE4_WHO_OWNER;
292 case ACE4_SPECIAL_GROUP:
293 smbace.who.special_id = SMB_ACE4_WHO_GROUP;
295 case ACE4_SPECIAL_EVERYONE:
296 smbace.who.special_id = SMB_ACE4_WHO_EVERYONE;
299 DEBUG(8, ("invalid special gpfs id %d "
300 "ignored\n", gace->aceWho));
301 continue; /* don't add it */
304 if (gace->aceFlags & ACE4_FLAG_GROUP_ID)
305 smbace.who.gid = gace->aceWho;
307 smbace.who.uid = gace->aceWho;
310 /* remove redundent deny entries */
311 if (i > 0 && gace->aceType == SMB_ACE4_ACCESS_DENIED_ACE_TYPE) {
312 struct gpfs_ace_v4 *prev = &gacl->ace_v4[i-1];
313 if (prev->aceType == SMB_ACE4_ACCESS_ALLOWED_ACE_TYPE &&
314 prev->aceFlags == gace->aceFlags &&
315 prev->aceIFlags == gace->aceIFlags &&
316 (gace->aceMask & prev->aceMask) == 0 &&
317 gace->aceWho == prev->aceWho) {
318 /* its redundent - skip it */
323 smbace.aceType = gace->aceType;
324 smbace.aceFlags = gace->aceFlags;
325 smbace.aceMask = gace->aceMask;
326 smb_add_ace4(*ppacl, &smbace);
332 static NTSTATUS gpfsacl_fget_nt_acl(vfs_handle_struct *handle,
333 files_struct *fsp, uint32 security_info,
334 struct security_descriptor **ppdesc)
336 SMB4ACL_T *pacl = NULL;
340 result = gpfs_get_nfs4_acl(fsp->fsp_name->base_name, &pacl);
343 return smb_fget_nt_acl_nfs4(fsp, security_info, ppdesc, pacl);
346 DEBUG(10, ("retrying with posix acl...\n"));
347 return posix_fget_nt_acl(fsp, security_info, ppdesc);
350 /* GPFS ACL was not read, something wrong happened, error code is set in errno */
351 return map_nt_error_from_unix(errno);
354 static NTSTATUS gpfsacl_get_nt_acl(vfs_handle_struct *handle,
356 uint32 security_info, struct security_descriptor **ppdesc)
358 SMB4ACL_T *pacl = NULL;
362 result = gpfs_get_nfs4_acl(name, &pacl);
365 return smb_get_nt_acl_nfs4(handle->conn, name, security_info, ppdesc, pacl);
368 DEBUG(10, ("retrying with posix acl...\n"));
369 return posix_get_nt_acl(handle->conn, name, security_info, ppdesc);
372 /* GPFS ACL was not read, something wrong happened, error code is set in errno */
373 return map_nt_error_from_unix(errno);
376 static bool gpfsacl_process_smbacl(files_struct *fsp, SMB4ACL_T *smbacl)
379 gpfs_aclLen_t gacl_len;
381 struct gpfs_acl *gacl;
382 TALLOC_CTX *mem_ctx = talloc_tos();
384 gacl_len = sizeof(struct gpfs_acl) +
385 (smb_get_naces(smbacl)-1)*sizeof(gpfs_ace_v4_t);
387 gacl = (struct gpfs_acl *)TALLOC_SIZE(mem_ctx, gacl_len);
389 DEBUG(0, ("talloc failed\n"));
394 gacl->acl_len = gacl_len;
396 gacl->acl_version = GPFS_ACL_VERSION_NFS4;
397 gacl->acl_type = GPFS_ACL_TYPE_NFS4;
398 gacl->acl_nace = 0; /* change later... */
400 for (smbace=smb_first_ace4(smbacl); smbace!=NULL; smbace = smb_next_ace4(smbace)) {
401 struct gpfs_ace_v4 *gace = &gacl->ace_v4[gacl->acl_nace];
402 SMB_ACE4PROP_T *aceprop = smb_get_ace4(smbace);
404 gace->aceType = aceprop->aceType;
405 gace->aceFlags = aceprop->aceFlags;
406 gace->aceMask = aceprop->aceMask;
409 * GPFS can't distinguish between WRITE and APPEND on
410 * files, so one being set without the other is an
411 * error. Sorry for the many ()'s :-)
414 if (!fsp->is_directory
416 ((((gace->aceMask & ACE4_MASK_WRITE) == 0)
417 && ((gace->aceMask & ACE4_MASK_APPEND) != 0))
419 (((gace->aceMask & ACE4_MASK_WRITE) != 0)
420 && ((gace->aceMask & ACE4_MASK_APPEND) == 0)))
422 lp_parm_bool(fsp->conn->params->service, "gpfs",
423 "merge_writeappend", True)) {
424 DEBUG(2, ("vfs_gpfs.c: file [%s]: ACE contains "
425 "WRITE^APPEND, setting WRITE|APPEND\n",
427 gace->aceMask |= ACE4_MASK_WRITE|ACE4_MASK_APPEND;
430 gace->aceIFlags = (aceprop->flags&SMB_ACE4_ID_SPECIAL) ? ACE4_IFLAG_SPECIAL_ID : 0;
432 if (aceprop->flags&SMB_ACE4_ID_SPECIAL)
434 switch(aceprop->who.special_id)
436 case SMB_ACE4_WHO_EVERYONE:
437 gace->aceWho = ACE4_SPECIAL_EVERYONE;
439 case SMB_ACE4_WHO_OWNER:
440 gace->aceWho = ACE4_SPECIAL_OWNER;
442 case SMB_ACE4_WHO_GROUP:
443 gace->aceWho = ACE4_SPECIAL_GROUP;
446 DEBUG(8, ("unsupported special_id %d\n", aceprop->who.special_id));
447 continue; /* don't add it !!! */
450 /* just only for the type safety... */
451 if (aceprop->aceFlags&SMB_ACE4_IDENTIFIER_GROUP)
452 gace->aceWho = aceprop->who.gid;
454 gace->aceWho = aceprop->who.uid;
460 ret = smbd_gpfs_putacl(fsp->fsp_name->base_name,
461 GPFS_PUTACL_STRUCT | GPFS_ACL_SAMBA, gacl);
463 DEBUG(8, ("gpfs_putacl failed with %s\n", strerror(errno)));
464 gpfs_dumpacl(8, gacl);
468 DEBUG(10, ("gpfs_putacl succeeded\n"));
472 static NTSTATUS gpfsacl_set_nt_acl_internal(files_struct *fsp, uint32 security_info_sent, const struct security_descriptor *psd)
474 struct gpfs_acl *acl;
475 NTSTATUS result = NT_STATUS_ACCESS_DENIED;
477 acl = gpfs_getacl_alloc(fsp->fsp_name->base_name, 0);
481 if (acl->acl_version&GPFS_ACL_VERSION_NFS4)
483 if (lp_parm_bool(fsp->conn->params->service, "gpfs",
484 "refuse_dacl_protected", false)
485 && (psd->type&SEC_DESC_DACL_PROTECTED)) {
486 DEBUG(2, ("Rejecting unsupported ACL with DACL_PROTECTED bit set\n"));
487 return NT_STATUS_NOT_SUPPORTED;
490 result = smb_set_nt_acl_nfs4(
491 fsp, security_info_sent, psd,
492 gpfsacl_process_smbacl);
493 } else { /* assume POSIX ACL - by default... */
494 result = set_nt_acl(fsp, security_info_sent, psd);
500 static NTSTATUS gpfsacl_fset_nt_acl(vfs_handle_struct *handle, files_struct *fsp, uint32 security_info_sent, const struct security_descriptor *psd)
502 return gpfsacl_set_nt_acl_internal(fsp, security_info_sent, psd);
505 static SMB_ACL_T gpfs2smb_acl(const struct gpfs_acl *pacl)
510 result = sys_acl_init(pacl->acl_nace);
511 if (result == NULL) {
516 result->count = pacl->acl_nace;
518 for (i=0; i<pacl->acl_nace; i++) {
519 struct smb_acl_entry *ace = &result->acl[i];
520 const struct gpfs_ace_v1 *g_ace = &pacl->ace_v1[i];
522 DEBUG(10, ("Converting type %d id %lu perm %x\n",
523 (int)g_ace->ace_type, (unsigned long)g_ace->ace_who,
524 (int)g_ace->ace_perm));
526 switch (g_ace->ace_type) {
528 ace->a_type = SMB_ACL_USER;
529 ace->uid = (uid_t)g_ace->ace_who;
531 case GPFS_ACL_USER_OBJ:
532 ace->a_type = SMB_ACL_USER_OBJ;
535 ace->a_type = SMB_ACL_GROUP;
536 ace->gid = (gid_t)g_ace->ace_who;
538 case GPFS_ACL_GROUP_OBJ:
539 ace->a_type = SMB_ACL_GROUP_OBJ;
542 ace->a_type = SMB_ACL_OTHER;
545 ace->a_type = SMB_ACL_MASK;
548 DEBUG(10, ("Got invalid ace_type: %d\n",
556 ace->a_perm |= (g_ace->ace_perm & ACL_PERM_READ) ?
558 ace->a_perm |= (g_ace->ace_perm & ACL_PERM_WRITE) ?
560 ace->a_perm |= (g_ace->ace_perm & ACL_PERM_EXECUTE) ?
563 DEBUGADD(10, ("Converted to %d perm %x\n",
564 ace->a_type, ace->a_perm));
570 static SMB_ACL_T gpfsacl_get_posix_acl(const char *path, gpfs_aclType_t type)
572 struct gpfs_acl *pacl;
573 SMB_ACL_T result = NULL;
575 pacl = gpfs_getacl_alloc(path, type);
578 DEBUG(10, ("gpfs_getacl failed for %s with %s\n",
579 path, strerror(errno)));
586 if (pacl->acl_version != GPFS_ACL_VERSION_POSIX) {
587 DEBUG(10, ("Got acl version %d, expected %d\n",
588 pacl->acl_version, GPFS_ACL_VERSION_POSIX));
593 DEBUG(10, ("len: %d, level: %d, version: %d, nace: %d\n",
594 pacl->acl_len, pacl->acl_level, pacl->acl_version,
597 result = gpfs2smb_acl(pacl);
598 if (result == NULL) {
610 static SMB_ACL_T gpfsacl_sys_acl_get_file(vfs_handle_struct *handle,
614 gpfs_aclType_t gpfs_type;
617 case SMB_ACL_TYPE_ACCESS:
618 gpfs_type = GPFS_ACL_TYPE_ACCESS;
620 case SMB_ACL_TYPE_DEFAULT:
621 gpfs_type = GPFS_ACL_TYPE_DEFAULT;
624 DEBUG(0, ("Got invalid type: %d\n", type));
625 smb_panic("exiting");
628 return gpfsacl_get_posix_acl(path_p, gpfs_type);
631 static SMB_ACL_T gpfsacl_sys_acl_get_fd(vfs_handle_struct *handle,
634 return gpfsacl_get_posix_acl(fsp->fsp_name->base_name,
635 GPFS_ACL_TYPE_ACCESS);
638 static struct gpfs_acl *smb2gpfs_acl(const SMB_ACL_T pacl,
642 struct gpfs_acl *result;
646 gpfs_ace_v1_t ace_v1[1]; /* when GPFS_ACL_VERSION_POSIX */
647 gpfs_ace_v4_t ace_v4[1]; /* when GPFS_ACL_VERSION_NFS4 */
650 DEBUG(10, ("smb2gpfs_acl: Got ACL with %d entries\n", pacl->count));
652 len = sizeof(struct gpfs_acl) - sizeof(union gpfs_ace_union) +
653 (pacl->count)*sizeof(gpfs_ace_v1_t);
655 result = (struct gpfs_acl *)SMB_MALLOC(len);
656 if (result == NULL) {
661 result->acl_len = len;
662 result->acl_level = 0;
663 result->acl_version = GPFS_ACL_VERSION_POSIX;
664 result->acl_type = (type == SMB_ACL_TYPE_DEFAULT) ?
665 GPFS_ACL_TYPE_DEFAULT : GPFS_ACL_TYPE_ACCESS;
666 result->acl_nace = pacl->count;
668 for (i=0; i<pacl->count; i++) {
669 const struct smb_acl_entry *ace = &pacl->acl[i];
670 struct gpfs_ace_v1 *g_ace = &result->ace_v1[i];
672 DEBUG(10, ("Converting type %d perm %x\n",
673 (int)ace->a_type, (int)ace->a_perm));
677 switch(ace->a_type) {
679 g_ace->ace_type = GPFS_ACL_USER;
680 g_ace->ace_who = (gpfs_uid_t)ace->uid;
682 case SMB_ACL_USER_OBJ:
683 g_ace->ace_type = GPFS_ACL_USER_OBJ;
684 g_ace->ace_perm |= ACL_PERM_CONTROL;
688 g_ace->ace_type = GPFS_ACL_GROUP;
689 g_ace->ace_who = (gpfs_uid_t)ace->gid;
691 case SMB_ACL_GROUP_OBJ:
692 g_ace->ace_type = GPFS_ACL_GROUP_OBJ;
696 g_ace->ace_type = GPFS_ACL_MASK;
697 g_ace->ace_perm = 0x8f;
701 g_ace->ace_type = GPFS_ACL_OTHER;
705 DEBUG(10, ("Got invalid ace_type: %d\n", ace->a_type));
711 g_ace->ace_perm |= (ace->a_perm & SMB_ACL_READ) ?
713 g_ace->ace_perm |= (ace->a_perm & SMB_ACL_WRITE) ?
715 g_ace->ace_perm |= (ace->a_perm & SMB_ACL_EXECUTE) ?
716 ACL_PERM_EXECUTE : 0;
718 DEBUGADD(10, ("Converted to %d id %d perm %x\n",
719 g_ace->ace_type, g_ace->ace_who, g_ace->ace_perm));
725 static int gpfsacl_sys_acl_set_file(vfs_handle_struct *handle,
730 struct gpfs_acl *gpfs_acl;
733 gpfs_acl = smb2gpfs_acl(theacl, type);
734 if (gpfs_acl == NULL) {
738 result = smbd_gpfs_putacl((char *)name, GPFS_PUTACL_STRUCT | GPFS_ACL_SAMBA, gpfs_acl);
744 static int gpfsacl_sys_acl_set_fd(vfs_handle_struct *handle,
748 return gpfsacl_sys_acl_set_file(handle, fsp->fsp_name->base_name,
749 SMB_ACL_TYPE_ACCESS, theacl);
752 static int gpfsacl_sys_acl_delete_def_file(vfs_handle_struct *handle,
760 * Assumed: mode bits are shiftable and standard
761 * Output: the new aceMask field for an smb nfs4 ace
763 static uint32 gpfsacl_mask_filter(uint32 aceType, uint32 aceMask, uint32 rwx)
765 const uint32 posix_nfs4map[3] = {
766 SMB_ACE4_EXECUTE, /* execute */
767 SMB_ACE4_WRITE_DATA | SMB_ACE4_APPEND_DATA, /* write; GPFS specific */
768 SMB_ACE4_READ_DATA /* read */
771 uint32_t posix_mask = 0x01;
776 nfs4_bits = posix_nfs4map[i];
777 posix_bit = rwx & posix_mask;
779 if (aceType==SMB_ACE4_ACCESS_ALLOWED_ACE_TYPE) {
781 aceMask |= nfs4_bits;
783 aceMask &= ~nfs4_bits;
785 /* add deny bits when suitable */
787 aceMask |= nfs4_bits;
789 aceMask &= ~nfs4_bits;
790 } /* other ace types are unexpected */
798 static int gpfsacl_emu_chmod(const char *path, mode_t mode)
800 SMB4ACL_T *pacl = NULL;
802 bool haveAllowEntry[SMB_ACE4_WHO_EVERYONE + 1] = {False, False, False, False};
804 files_struct fake_fsp; /* TODO: rationalize parametrization */
808 DEBUG(10, ("gpfsacl_emu_chmod invoked for %s mode %o\n", path, mode));
810 result = gpfs_get_nfs4_acl(path, &pacl);
814 if (mode & ~(S_IRWXU | S_IRWXG | S_IRWXO)) {
815 DEBUG(2, ("WARNING: cutting extra mode bits %o on %s\n", mode, path));
818 for (smbace=smb_first_ace4(pacl); smbace!=NULL; smbace = smb_next_ace4(smbace)) {
819 SMB_ACE4PROP_T *ace = smb_get_ace4(smbace);
820 uint32_t specid = ace->who.special_id;
822 if (ace->flags&SMB_ACE4_ID_SPECIAL &&
823 ace->aceType<=SMB_ACE4_ACCESS_DENIED_ACE_TYPE &&
824 specid <= SMB_ACE4_WHO_EVERYONE) {
828 if (ace->aceType==SMB_ACE4_ACCESS_ALLOWED_ACE_TYPE)
829 haveAllowEntry[specid] = True;
831 /* mode >> 6 for @owner, mode >> 3 for @group,
832 * mode >> 0 for @everyone */
833 newMask = gpfsacl_mask_filter(ace->aceType, ace->aceMask,
834 mode >> ((SMB_ACE4_WHO_EVERYONE - specid) * 3));
835 if (ace->aceMask!=newMask) {
836 DEBUG(10, ("ace changed for %s (%o -> %o) id=%d\n",
837 path, ace->aceMask, newMask, specid));
839 ace->aceMask = newMask;
843 /* make sure we have at least ALLOW entries
844 * for all the 3 special ids (@EVERYONE, @OWNER, @GROUP)
847 for(i = SMB_ACE4_WHO_OWNER; i<=SMB_ACE4_WHO_EVERYONE; i++) {
850 if (haveAllowEntry[i]==True)
854 ace.aceType = SMB_ACE4_ACCESS_ALLOWED_ACE_TYPE;
855 ace.flags |= SMB_ACE4_ID_SPECIAL;
856 ace.who.special_id = i;
858 if (i==SMB_ACE4_WHO_GROUP) /* not sure it's necessary... */
859 ace.aceFlags |= SMB_ACE4_IDENTIFIER_GROUP;
861 ace.aceMask = gpfsacl_mask_filter(ace.aceType, ace.aceMask,
862 mode >> ((SMB_ACE4_WHO_EVERYONE - i) * 3));
864 /* don't add unnecessary aces */
868 /* we add it to the END - as windows expects allow aces */
869 smb_add_ace4(pacl, &ace);
870 DEBUG(10, ("Added ALLOW ace for %s, mode=%o, id=%d, aceMask=%x\n",
871 path, mode, i, ace.aceMask));
874 /* don't add complementary DENY ACEs here */
875 ZERO_STRUCT(fake_fsp);
876 status = create_synthetic_smb_fname(talloc_tos(), path, NULL, NULL,
878 if (!NT_STATUS_IS_OK(status)) {
879 errno = map_errno_from_nt_status(status);
883 if (gpfsacl_process_smbacl(&fake_fsp, pacl) == False) {
884 TALLOC_FREE(fake_fsp.fsp_name);
888 TALLOC_FREE(fake_fsp.fsp_name);
889 return 0; /* ok for [f]chmod */
892 static int vfs_gpfs_chmod(vfs_handle_struct *handle, const char *path, mode_t mode)
894 struct smb_filename *smb_fname_cpath;
898 status = create_synthetic_smb_fname(
899 talloc_tos(), path, NULL, NULL, &smb_fname_cpath);
901 if (SMB_VFS_NEXT_STAT(handle, smb_fname_cpath) != 0) {
905 /* avoid chmod() if possible, to preserve acls */
906 if ((smb_fname_cpath->st.st_ex_mode & ~S_IFMT) == mode) {
910 rc = gpfsacl_emu_chmod(path, mode);
912 return SMB_VFS_NEXT_CHMOD(handle, path, mode);
916 static int vfs_gpfs_fchmod(vfs_handle_struct *handle, files_struct *fsp, mode_t mode)
921 if (SMB_VFS_NEXT_FSTAT(handle, fsp, &st) != 0) {
925 /* avoid chmod() if possible, to preserve acls */
926 if ((st.st_ex_mode & ~S_IFMT) == mode) {
930 rc = gpfsacl_emu_chmod(fsp->fsp_name->base_name, mode);
932 return SMB_VFS_NEXT_FCHMOD(handle, fsp, mode);
936 static int gpfs_set_xattr(struct vfs_handle_struct *handle, const char *path,
937 const char *name, const void *value, size_t size, int flags){
938 struct xattr_DOSATTRIB dosattrib;
939 enum ndr_err_code ndr_err;
941 const char *attrstr = value;
942 unsigned int dosmode=0;
943 struct gpfs_winattr attrs;
946 DEBUG(10, ("gpfs_set_xattr: %s \n",path));
948 /* Only handle DOS Attributes */
949 if (strcmp(name,SAMBA_XATTR_DOS_ATTRIB) != 0){
950 DEBUG(1, ("gpfs_set_xattr:name is %s\n",name));
951 return SMB_VFS_NEXT_SETXATTR(handle,path,name,value,size,flags);
954 blob.data = (uint8_t *)attrstr;
957 ndr_err = ndr_pull_struct_blob(&blob, talloc_tos(), &dosattrib,
958 (ndr_pull_flags_fn_t)ndr_pull_xattr_DOSATTRIB);
960 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
961 DEBUG(1, ("gpfs_set_xattr: bad ndr decode "
962 "from EA on file %s: Error = %s\n",
963 path, ndr_errstr(ndr_err)));
967 if (dosattrib.version != 3) {
968 DEBUG(1, ("gpfs_set_xattr: expected dosattrib version 3, got "
969 "%d\n", (int)dosattrib.version));
972 if (!(dosattrib.info.info3.valid_flags & XATTR_DOSINFO_ATTRIB)) {
973 DEBUG(10, ("gpfs_set_xattr: XATTR_DOSINFO_ATTRIB not "
974 "valid, ignoring\n"));
978 dosmode = dosattrib.info.info3.attrib;
981 /*Just map RD_ONLY, ARCHIVE, SYSTEM HIDDEN and SPARSE. Ignore the others*/
982 if (dosmode & FILE_ATTRIBUTE_ARCHIVE){
983 attrs.winAttrs |= GPFS_WINATTR_ARCHIVE;
985 if (dosmode & FILE_ATTRIBUTE_HIDDEN){
986 attrs.winAttrs |= GPFS_WINATTR_HIDDEN;
988 if (dosmode & FILE_ATTRIBUTE_SYSTEM){
989 attrs.winAttrs |= GPFS_WINATTR_SYSTEM;
991 if (dosmode & FILE_ATTRIBUTE_READONLY){
992 attrs.winAttrs |= GPFS_WINATTR_READONLY;
994 if (dosmode & FILE_ATTRIBUTE_SPARSE) {
995 attrs.winAttrs |= GPFS_WINATTR_SPARSE_FILE;
999 ret = set_gpfs_winattrs(CONST_DISCARD(char *, path),
1000 GPFS_WINATTR_SET_ATTRS, &attrs);
1002 if (errno == ENOSYS) {
1003 return SMB_VFS_NEXT_SETXATTR(handle, path, name, value,
1007 DEBUG(1, ("gpfs_set_xattr:Set GPFS attributes failed %d\n",ret));
1011 DEBUG(10, ("gpfs_set_xattr:Set attributes: 0x%x\n",attrs.winAttrs));
1015 static ssize_t gpfs_get_xattr(struct vfs_handle_struct *handle, const char *path,
1016 const char *name, void *value, size_t size){
1017 char *attrstr = value;
1018 unsigned int dosmode = 0;
1019 struct gpfs_winattr attrs;
1022 DEBUG(10, ("gpfs_get_xattr: %s \n",path));
1024 /* Only handle DOS Attributes */
1025 if (strcmp(name,SAMBA_XATTR_DOS_ATTRIB) != 0){
1026 DEBUG(1, ("gpfs_get_xattr:name is %s\n",name));
1027 return SMB_VFS_NEXT_GETXATTR(handle,path,name,value,size);
1030 ret = get_gpfs_winattrs(CONST_DISCARD(char *, path), &attrs);
1032 if (errno == ENOSYS) {
1033 return SMB_VFS_NEXT_GETXATTR(handle, path, name, value,
1037 DEBUG(1, ("gpfs_get_xattr: Get GPFS attributes failed: "
1038 "%d (%s)\n", ret, strerror(errno)));
1042 DEBUG(10, ("gpfs_get_xattr:Got attributes: 0x%x\n",attrs.winAttrs));
1044 /*Just map RD_ONLY, ARCHIVE, SYSTEM, HIDDEN and SPARSE. Ignore the others*/
1045 if (attrs.winAttrs & GPFS_WINATTR_ARCHIVE){
1046 dosmode |= FILE_ATTRIBUTE_ARCHIVE;
1048 if (attrs.winAttrs & GPFS_WINATTR_HIDDEN){
1049 dosmode |= FILE_ATTRIBUTE_HIDDEN;
1051 if (attrs.winAttrs & GPFS_WINATTR_SYSTEM){
1052 dosmode |= FILE_ATTRIBUTE_SYSTEM;
1054 if (attrs.winAttrs & GPFS_WINATTR_READONLY){
1055 dosmode |= FILE_ATTRIBUTE_READONLY;
1057 if (attrs.winAttrs & GPFS_WINATTR_SPARSE_FILE) {
1058 dosmode |= FILE_ATTRIBUTE_SPARSE;
1061 snprintf(attrstr, size, "0x%2.2x",
1062 (unsigned int)(dosmode & SAMBA_ATTRIBUTES_MASK));
1063 DEBUG(10, ("gpfs_get_xattr: returning %s\n",attrstr));
1067 static int vfs_gpfs_stat(struct vfs_handle_struct *handle,
1068 struct smb_filename *smb_fname)
1070 struct gpfs_winattr attrs;
1075 ret = SMB_VFS_NEXT_STAT(handle, smb_fname);
1079 status = get_full_smb_filename(talloc_tos(), smb_fname, &fname);
1080 if (!NT_STATUS_IS_OK(status)) {
1081 errno = map_errno_from_nt_status(status);
1084 ret = get_gpfs_winattrs(CONST_DISCARD(char *, fname), &attrs);
1087 smb_fname->st.st_ex_btime.tv_sec = attrs.creationTime.tv_sec;
1088 smb_fname->st.st_ex_btime.tv_nsec = attrs.creationTime.tv_nsec;
1093 static int vfs_gpfs_fstat(struct vfs_handle_struct *handle,
1094 struct files_struct *fsp, SMB_STRUCT_STAT *sbuf)
1096 struct gpfs_winattr attrs;
1099 ret = SMB_VFS_NEXT_FSTAT(handle, fsp, sbuf);
1103 if ((fsp->fh == NULL) || (fsp->fh->fd == -1)) {
1106 ret = smbd_fget_gpfs_winattrs(fsp->fh->fd, &attrs);
1108 sbuf->st_ex_btime.tv_sec = attrs.creationTime.tv_sec;
1109 sbuf->st_ex_btime.tv_nsec = attrs.creationTime.tv_nsec;
1114 static int vfs_gpfs_lstat(struct vfs_handle_struct *handle,
1115 struct smb_filename *smb_fname)
1117 struct gpfs_winattr attrs;
1122 ret = SMB_VFS_NEXT_LSTAT(handle, smb_fname);
1126 status = get_full_smb_filename(talloc_tos(), smb_fname, &path);
1127 if (!NT_STATUS_IS_OK(status)) {
1128 errno = map_errno_from_nt_status(status);
1131 ret = get_gpfs_winattrs(CONST_DISCARD(char *, path), &attrs);
1134 smb_fname->st.st_ex_btime.tv_sec = attrs.creationTime.tv_sec;
1135 smb_fname->st.st_ex_btime.tv_nsec = attrs.creationTime.tv_nsec;
1140 static int vfs_gpfs_ntimes(struct vfs_handle_struct *handle,
1141 const struct smb_filename *smb_fname,
1142 struct smb_file_time *ft)
1145 struct gpfs_winattr attrs;
1150 ret = SMB_VFS_NEXT_NTIMES(handle, smb_fname, ft);
1152 DEBUG(1,("vfs_gpfs_ntimes: SMB_VFS_NEXT_NTIMES failed\n"));
1156 if(null_timespec(ft->create_time)){
1157 DEBUG(10,("vfs_gpfs_ntimes:Create Time is NULL\n"));
1161 status = get_full_smb_filename(talloc_tos(), smb_fname, &path);
1162 if (!NT_STATUS_IS_OK(status)) {
1163 errno = map_errno_from_nt_status(status);
1168 attrs.creationTime.tv_sec = ft->create_time.tv_sec;
1169 attrs.creationTime.tv_nsec = ft->create_time.tv_nsec;
1171 ret = set_gpfs_winattrs(CONST_DISCARD(char *, path),
1172 GPFS_WINATTR_SET_CREATION_TIME, &attrs);
1173 if(ret == -1 && errno != ENOSYS){
1174 DEBUG(1,("vfs_gpfs_ntimes: set GPFS ntimes failed %d\n",ret));
1181 static int vfs_gpfs_ftruncate(vfs_handle_struct *handle, files_struct *fsp,
1186 result = smbd_gpfs_ftruncate(fsp->fh->fd, len);
1187 if ((result == -1) && (errno == ENOSYS)) {
1188 return SMB_VFS_NEXT_FTRUNCATE(handle, fsp, len);
1193 static bool vfs_gpfs_is_offline(struct vfs_handle_struct *handle,
1194 const struct smb_filename *fname,
1195 SMB_STRUCT_STAT *sbuf)
1197 struct gpfs_winattr attrs;
1202 status = get_full_smb_filename(talloc_tos(), fname, &path);
1203 if (!NT_STATUS_IS_OK(status)) {
1204 errno = map_errno_from_nt_status(status);
1207 ret = get_gpfs_winattrs(path, &attrs);
1213 if ((attrs.winAttrs & GPFS_WINATTR_OFFLINE) != 0) {
1214 DEBUG(10, ("%s is offline\n", path));
1218 DEBUG(10, ("%s is online\n", path));
1220 return SMB_VFS_NEXT_IS_OFFLINE(handle, fname, sbuf);
1223 static bool vfs_gpfs_aio_force(struct vfs_handle_struct *handle,
1224 struct files_struct *fsp)
1226 return vfs_gpfs_is_offline(handle, fsp->fsp_name, &fsp->fsp_name->st);
1229 int vfs_gpfs_connect(struct vfs_handle_struct *handle, const char *service,
1232 struct gpfs_config_data *config;
1233 int ret = SMB_VFS_NEXT_CONNECT(handle, service, user);
1239 config = talloc_zero(handle->conn, struct gpfs_config_data);
1241 SMB_VFS_NEXT_DISCONNECT(handle);
1242 DEBUG(0, ("talloc_zero() failed\n")); return -1;
1245 config->sharemodes = lp_parm_bool(SNUM(handle->conn), "gpfs",
1246 "sharemodes", true);
1248 config->leases = lp_parm_bool(SNUM(handle->conn), "gpfs",
1251 config->hsm = lp_parm_bool(SNUM(handle->conn), "gpfs",
1254 SMB_VFS_HANDLE_SET_DATA(handle, config,
1255 NULL, struct syncops_config_data,
1261 static uint32_t vfs_gpfs_capabilities(struct vfs_handle_struct *handle,
1262 enum timestamp_set_resolution *p_ts_res)
1264 struct gpfs_config_data *config;
1267 next = SMB_VFS_NEXT_FS_CAPABILITIES(handle, p_ts_res);
1269 SMB_VFS_HANDLE_GET_DATA(handle, config,
1270 struct gpfs_config_data,
1274 next |= FILE_SUPPORTS_REMOTE_STORAGE;
1280 static struct vfs_fn_pointers vfs_gpfs_fns = {
1281 .connect_fn = vfs_gpfs_connect,
1282 .fs_capabilities = vfs_gpfs_capabilities,
1283 .kernel_flock = vfs_gpfs_kernel_flock,
1284 .linux_setlease = vfs_gpfs_setlease,
1285 .get_real_filename = vfs_gpfs_get_real_filename,
1286 .fget_nt_acl = gpfsacl_fget_nt_acl,
1287 .get_nt_acl = gpfsacl_get_nt_acl,
1288 .fset_nt_acl = gpfsacl_fset_nt_acl,
1289 .sys_acl_get_file = gpfsacl_sys_acl_get_file,
1290 .sys_acl_get_fd = gpfsacl_sys_acl_get_fd,
1291 .sys_acl_set_file = gpfsacl_sys_acl_set_file,
1292 .sys_acl_set_fd = gpfsacl_sys_acl_set_fd,
1293 .sys_acl_delete_def_file = gpfsacl_sys_acl_delete_def_file,
1294 .chmod = vfs_gpfs_chmod,
1295 .fchmod = vfs_gpfs_fchmod,
1296 .close_fn = vfs_gpfs_close,
1297 .setxattr = gpfs_set_xattr,
1298 .getxattr = gpfs_get_xattr,
1299 .stat = vfs_gpfs_stat,
1300 .fstat = vfs_gpfs_fstat,
1301 .lstat = vfs_gpfs_lstat,
1302 .ntimes = vfs_gpfs_ntimes,
1303 .is_offline = vfs_gpfs_is_offline,
1304 .aio_force = vfs_gpfs_aio_force,
1305 .ftruncate = vfs_gpfs_ftruncate
1308 NTSTATUS vfs_gpfs_init(void);
1309 NTSTATUS vfs_gpfs_init(void)
1313 return smb_register_vfs(SMB_VFS_INTERFACE_VERSION, "gpfs",