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,
37 START_PROFILE(syscall_kernel_flock);
39 kernel_flock(fsp->fh->fd, share_mode);
41 if (!set_gpfs_sharemode(fsp, 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];
95 full_path = talloc_asprintf(talloc_tos(), "%s/%s", path, name);
96 if (full_path == NULL) {
101 buflen = sizeof(real_pathname) - 1;
103 result = smbd_gpfs_get_realfilename_path(full_path, real_pathname,
106 TALLOC_FREE(full_path);
108 if ((result == -1) && (errno == ENOSYS)) {
109 return SMB_VFS_NEXT_GET_REAL_FILENAME(
110 handle, path, name, mem_ctx, found_name);
114 DEBUG(10, ("smbd_gpfs_get_realfilename_path returned %s\n",
120 * GPFS does not necessarily null-terminate the returned path
121 * but instead returns the buffer length in buflen.
124 if (buflen < sizeof(real_pathname)) {
125 real_pathname[buflen] = '\0';
127 real_pathname[sizeof(real_pathname)-1] = '\0';
130 DEBUG(10, ("smbd_gpfs_get_realfilename_path: %s/%s -> %s\n",
131 path, name, real_pathname));
133 name = strrchr_m(real_pathname, '/');
139 *found_name = talloc_strdup(mem_ctx, name+1);
140 if (*found_name == NULL) {
148 static void gpfs_dumpacl(int level, struct gpfs_acl *gacl)
153 DEBUG(0, ("gpfs acl is NULL\n"));
157 DEBUG(level, ("gpfs acl: nace: %d, type:%d, version:%d, level:%d, len:%d\n",
158 gacl->acl_nace, gacl->acl_type, gacl->acl_version, gacl->acl_level, gacl->acl_len));
159 for(i=0; i<gacl->acl_nace; i++)
161 struct gpfs_ace_v4 *gace = gacl->ace_v4 + i;
162 DEBUG(level, ("\tace[%d]: type:%d, flags:0x%x, mask:0x%x, iflags:0x%x, who:%u\n",
163 i, gace->aceType, gace->aceFlags, gace->aceMask,
164 gace->aceIFlags, gace->aceWho));
168 static struct gpfs_acl *gpfs_getacl_alloc(const char *fname, gpfs_aclType_t type)
170 struct gpfs_acl *acl;
173 TALLOC_CTX *mem_ctx = talloc_tos();
175 acl = (struct gpfs_acl *)TALLOC_SIZE(mem_ctx, len);
183 acl->acl_version = 0;
184 acl->acl_type = type;
186 ret = smbd_gpfs_getacl((char *)fname, GPFS_GETACL_STRUCT | GPFS_ACL_SAMBA, acl);
187 if ((ret != 0) && (errno == ENOSPC)) {
188 struct gpfs_acl *new_acl = (struct gpfs_acl *)TALLOC_SIZE(
189 mem_ctx, acl->acl_len + sizeof(struct gpfs_acl));
190 if (new_acl == NULL) {
195 new_acl->acl_len = acl->acl_len;
196 new_acl->acl_level = acl->acl_level;
197 new_acl->acl_version = acl->acl_version;
198 new_acl->acl_type = acl->acl_type;
201 ret = smbd_gpfs_getacl((char *)fname, GPFS_GETACL_STRUCT | GPFS_ACL_SAMBA, acl);
205 DEBUG(8, ("smbd_gpfs_getacl failed with %s\n",strerror(errno)));
212 /* Tries to get nfs4 acls and returns SMB ACL allocated.
213 * On failure returns 1 if it got non-NFSv4 ACL to prompt
214 * retry with POSIX ACL checks.
215 * On failure returns -1 if there is system (GPFS) error, check errno.
216 * Returns 0 on success
218 static int gpfs_get_nfs4_acl(const char *fname, SMB4ACL_T **ppacl)
221 struct gpfs_acl *gacl = NULL;
222 DEBUG(10, ("gpfs_get_nfs4_acl invoked for %s\n", fname));
224 /* First get the real acl length */
225 gacl = gpfs_getacl_alloc(fname, 0);
227 DEBUG(9, ("gpfs_getacl failed for %s with %s\n",
228 fname, strerror(errno)));
232 if (gacl->acl_type != GPFS_ACL_TYPE_NFS4) {
233 DEBUG(10, ("Got non-nfsv4 acl\n"));
234 /* Retry with POSIX ACLs check */
238 *ppacl = smb_create_smb4acl();
240 DEBUG(10, ("len: %d, level: %d, version: %d, nace: %d\n",
241 gacl->acl_len, gacl->acl_level, gacl->acl_version,
244 for (i=0; i<gacl->acl_nace; i++) {
245 struct gpfs_ace_v4 *gace = &gacl->ace_v4[i];
246 SMB_ACE4PROP_T smbace;
247 DEBUG(10, ("type: %d, iflags: %x, flags: %x, mask: %x, "
248 "who: %d\n", gace->aceType, gace->aceIFlags,
249 gace->aceFlags, gace->aceMask, gace->aceWho));
252 if (gace->aceIFlags & ACE4_IFLAG_SPECIAL_ID) {
253 smbace.flags |= SMB_ACE4_ID_SPECIAL;
254 switch (gace->aceWho) {
255 case ACE4_SPECIAL_OWNER:
256 smbace.who.special_id = SMB_ACE4_WHO_OWNER;
258 case ACE4_SPECIAL_GROUP:
259 smbace.who.special_id = SMB_ACE4_WHO_GROUP;
261 case ACE4_SPECIAL_EVERYONE:
262 smbace.who.special_id = SMB_ACE4_WHO_EVERYONE;
265 DEBUG(8, ("invalid special gpfs id %d "
266 "ignored\n", gace->aceWho));
267 continue; /* don't add it */
270 if (gace->aceFlags & ACE4_FLAG_GROUP_ID)
271 smbace.who.gid = gace->aceWho;
273 smbace.who.uid = gace->aceWho;
276 /* remove redundent deny entries */
277 if (i > 0 && gace->aceType == SMB_ACE4_ACCESS_DENIED_ACE_TYPE) {
278 struct gpfs_ace_v4 *prev = &gacl->ace_v4[i-1];
279 if (prev->aceType == SMB_ACE4_ACCESS_ALLOWED_ACE_TYPE &&
280 prev->aceFlags == gace->aceFlags &&
281 prev->aceIFlags == gace->aceIFlags &&
282 (gace->aceMask & prev->aceMask) == 0 &&
283 gace->aceWho == prev->aceWho) {
284 /* its redundent - skip it */
289 smbace.aceType = gace->aceType;
290 smbace.aceFlags = gace->aceFlags;
291 smbace.aceMask = gace->aceMask;
292 smb_add_ace4(*ppacl, &smbace);
298 static NTSTATUS gpfsacl_fget_nt_acl(vfs_handle_struct *handle,
299 files_struct *fsp, uint32 security_info,
302 SMB4ACL_T *pacl = NULL;
306 result = gpfs_get_nfs4_acl(fsp->fsp_name, &pacl);
309 return smb_fget_nt_acl_nfs4(fsp, security_info, ppdesc, pacl);
312 DEBUG(10, ("retrying with posix acl...\n"));
313 return posix_fget_nt_acl(fsp, security_info, ppdesc);
316 /* GPFS ACL was not read, something wrong happened, error code is set in errno */
317 return map_nt_error_from_unix(errno);
320 static NTSTATUS gpfsacl_get_nt_acl(vfs_handle_struct *handle,
322 uint32 security_info, SEC_DESC **ppdesc)
324 SMB4ACL_T *pacl = NULL;
328 result = gpfs_get_nfs4_acl(name, &pacl);
331 return smb_get_nt_acl_nfs4(handle->conn, name, security_info, ppdesc, pacl);
334 DEBUG(10, ("retrying with posix acl...\n"));
335 return posix_get_nt_acl(handle->conn, name, 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 bool gpfsacl_process_smbacl(files_struct *fsp, SMB4ACL_T *smbacl)
345 gpfs_aclLen_t gacl_len;
347 struct gpfs_acl *gacl;
348 TALLOC_CTX *mem_ctx = talloc_tos();
350 gacl_len = sizeof(struct gpfs_acl) +
351 (smb_get_naces(smbacl)-1)*sizeof(gpfs_ace_v4_t);
353 gacl = (struct gpfs_acl *)TALLOC_SIZE(mem_ctx, gacl_len);
355 DEBUG(0, ("talloc failed\n"));
360 gacl->acl_len = gacl_len;
362 gacl->acl_version = GPFS_ACL_VERSION_NFS4;
363 gacl->acl_type = GPFS_ACL_TYPE_NFS4;
364 gacl->acl_nace = 0; /* change later... */
366 for (smbace=smb_first_ace4(smbacl); smbace!=NULL; smbace = smb_next_ace4(smbace)) {
367 struct gpfs_ace_v4 *gace = &gacl->ace_v4[gacl->acl_nace];
368 SMB_ACE4PROP_T *aceprop = smb_get_ace4(smbace);
370 gace->aceType = aceprop->aceType;
371 gace->aceFlags = aceprop->aceFlags;
372 gace->aceMask = aceprop->aceMask;
375 * GPFS can't distinguish between WRITE and APPEND on
376 * files, so one being set without the other is an
377 * error. Sorry for the many ()'s :-)
380 if (!fsp->is_directory
382 ((((gace->aceMask & ACE4_MASK_WRITE) == 0)
383 && ((gace->aceMask & ACE4_MASK_APPEND) != 0))
385 (((gace->aceMask & ACE4_MASK_WRITE) != 0)
386 && ((gace->aceMask & ACE4_MASK_APPEND) == 0)))
388 lp_parm_bool(fsp->conn->params->service, "gpfs",
389 "merge_writeappend", True)) {
390 DEBUG(2, ("vfs_gpfs.c: file [%s]: ACE contains "
391 "WRITE^APPEND, setting WRITE|APPEND\n",
393 gace->aceMask |= ACE4_MASK_WRITE|ACE4_MASK_APPEND;
396 gace->aceIFlags = (aceprop->flags&SMB_ACE4_ID_SPECIAL) ? ACE4_IFLAG_SPECIAL_ID : 0;
398 if (aceprop->flags&SMB_ACE4_ID_SPECIAL)
400 switch(aceprop->who.special_id)
402 case SMB_ACE4_WHO_EVERYONE:
403 gace->aceWho = ACE4_SPECIAL_EVERYONE;
405 case SMB_ACE4_WHO_OWNER:
406 gace->aceWho = ACE4_SPECIAL_OWNER;
408 case SMB_ACE4_WHO_GROUP:
409 gace->aceWho = ACE4_SPECIAL_GROUP;
412 DEBUG(8, ("unsupported special_id %d\n", aceprop->who.special_id));
413 continue; /* don't add it !!! */
416 /* just only for the type safety... */
417 if (aceprop->aceFlags&SMB_ACE4_IDENTIFIER_GROUP)
418 gace->aceWho = aceprop->who.gid;
420 gace->aceWho = aceprop->who.uid;
426 ret = smbd_gpfs_putacl(fsp->fsp_name, GPFS_PUTACL_STRUCT | GPFS_ACL_SAMBA, gacl);
428 DEBUG(8, ("gpfs_putacl failed with %s\n", strerror(errno)));
429 gpfs_dumpacl(8, gacl);
433 DEBUG(10, ("gpfs_putacl succeeded\n"));
437 static NTSTATUS gpfsacl_set_nt_acl_internal(files_struct *fsp, uint32 security_info_sent, const SEC_DESC *psd)
439 struct gpfs_acl *acl;
440 NTSTATUS result = NT_STATUS_ACCESS_DENIED;
442 acl = gpfs_getacl_alloc(fsp->fsp_name, 0);
446 if (acl->acl_version&GPFS_ACL_VERSION_NFS4)
448 result = smb_set_nt_acl_nfs4(
449 fsp, security_info_sent, psd,
450 gpfsacl_process_smbacl);
451 } else { /* assume POSIX ACL - by default... */
452 result = set_nt_acl(fsp, security_info_sent, psd);
458 static NTSTATUS gpfsacl_fset_nt_acl(vfs_handle_struct *handle, files_struct *fsp, uint32 security_info_sent, const SEC_DESC *psd)
460 return gpfsacl_set_nt_acl_internal(fsp, security_info_sent, psd);
463 static SMB_ACL_T gpfs2smb_acl(const struct gpfs_acl *pacl)
468 result = sys_acl_init(pacl->acl_nace);
469 if (result == NULL) {
474 result->count = pacl->acl_nace;
476 for (i=0; i<pacl->acl_nace; i++) {
477 struct smb_acl_entry *ace = &result->acl[i];
478 const struct gpfs_ace_v1 *g_ace = &pacl->ace_v1[i];
480 DEBUG(10, ("Converting type %d id %lu perm %x\n",
481 (int)g_ace->ace_type, (unsigned long)g_ace->ace_who,
482 (int)g_ace->ace_perm));
484 switch (g_ace->ace_type) {
486 ace->a_type = SMB_ACL_USER;
487 ace->uid = (uid_t)g_ace->ace_who;
489 case GPFS_ACL_USER_OBJ:
490 ace->a_type = SMB_ACL_USER_OBJ;
493 ace->a_type = SMB_ACL_GROUP;
494 ace->gid = (gid_t)g_ace->ace_who;
496 case GPFS_ACL_GROUP_OBJ:
497 ace->a_type = SMB_ACL_GROUP_OBJ;
500 ace->a_type = SMB_ACL_OTHER;
503 ace->a_type = SMB_ACL_MASK;
506 DEBUG(10, ("Got invalid ace_type: %d\n",
514 ace->a_perm |= (g_ace->ace_perm & ACL_PERM_READ) ?
516 ace->a_perm |= (g_ace->ace_perm & ACL_PERM_WRITE) ?
518 ace->a_perm |= (g_ace->ace_perm & ACL_PERM_EXECUTE) ?
521 DEBUGADD(10, ("Converted to %d perm %x\n",
522 ace->a_type, ace->a_perm));
528 static SMB_ACL_T gpfsacl_get_posix_acl(const char *path, gpfs_aclType_t type)
530 struct gpfs_acl *pacl;
531 SMB_ACL_T result = NULL;
533 pacl = gpfs_getacl_alloc(path, type);
536 DEBUG(10, ("gpfs_getacl failed for %s with %s\n",
537 path, strerror(errno)));
544 if (pacl->acl_version != GPFS_ACL_VERSION_POSIX) {
545 DEBUG(10, ("Got acl version %d, expected %d\n",
546 pacl->acl_version, GPFS_ACL_VERSION_POSIX));
551 DEBUG(10, ("len: %d, level: %d, version: %d, nace: %d\n",
552 pacl->acl_len, pacl->acl_level, pacl->acl_version,
555 result = gpfs2smb_acl(pacl);
556 if (result == NULL) {
568 static SMB_ACL_T gpfsacl_sys_acl_get_file(vfs_handle_struct *handle,
572 gpfs_aclType_t gpfs_type;
575 case SMB_ACL_TYPE_ACCESS:
576 gpfs_type = GPFS_ACL_TYPE_ACCESS;
578 case SMB_ACL_TYPE_DEFAULT:
579 gpfs_type = GPFS_ACL_TYPE_DEFAULT;
582 DEBUG(0, ("Got invalid type: %d\n", type));
583 smb_panic("exiting");
586 return gpfsacl_get_posix_acl(path_p, gpfs_type);
589 static SMB_ACL_T gpfsacl_sys_acl_get_fd(vfs_handle_struct *handle,
592 return gpfsacl_get_posix_acl(fsp->fsp_name, GPFS_ACL_TYPE_ACCESS);
595 static struct gpfs_acl *smb2gpfs_acl(const SMB_ACL_T pacl,
599 struct gpfs_acl *result;
603 gpfs_ace_v1_t ace_v1[1]; /* when GPFS_ACL_VERSION_POSIX */
604 gpfs_ace_v4_t ace_v4[1]; /* when GPFS_ACL_VERSION_NFS4 */
607 DEBUG(10, ("smb2gpfs_acl: Got ACL with %d entries\n", pacl->count));
609 len = sizeof(struct gpfs_acl) - sizeof(union gpfs_ace_union) +
610 (pacl->count)*sizeof(gpfs_ace_v1_t);
612 result = (struct gpfs_acl *)SMB_MALLOC(len);
613 if (result == NULL) {
618 result->acl_len = len;
619 result->acl_level = 0;
620 result->acl_version = GPFS_ACL_VERSION_POSIX;
621 result->acl_type = (type == SMB_ACL_TYPE_DEFAULT) ?
622 GPFS_ACL_TYPE_DEFAULT : GPFS_ACL_TYPE_ACCESS;
623 result->acl_nace = pacl->count;
625 for (i=0; i<pacl->count; i++) {
626 const struct smb_acl_entry *ace = &pacl->acl[i];
627 struct gpfs_ace_v1 *g_ace = &result->ace_v1[i];
629 DEBUG(10, ("Converting type %d perm %x\n",
630 (int)ace->a_type, (int)ace->a_perm));
634 switch(ace->a_type) {
636 g_ace->ace_type = GPFS_ACL_USER;
637 g_ace->ace_who = (gpfs_uid_t)ace->uid;
639 case SMB_ACL_USER_OBJ:
640 g_ace->ace_type = GPFS_ACL_USER_OBJ;
641 g_ace->ace_perm |= ACL_PERM_CONTROL;
645 g_ace->ace_type = GPFS_ACL_GROUP;
646 g_ace->ace_who = (gpfs_uid_t)ace->gid;
648 case SMB_ACL_GROUP_OBJ:
649 g_ace->ace_type = GPFS_ACL_GROUP_OBJ;
653 g_ace->ace_type = GPFS_ACL_MASK;
654 g_ace->ace_perm = 0x8f;
658 g_ace->ace_type = GPFS_ACL_OTHER;
662 DEBUG(10, ("Got invalid ace_type: %d\n", ace->a_type));
668 g_ace->ace_perm |= (ace->a_perm & SMB_ACL_READ) ?
670 g_ace->ace_perm |= (ace->a_perm & SMB_ACL_WRITE) ?
672 g_ace->ace_perm |= (ace->a_perm & SMB_ACL_EXECUTE) ?
673 ACL_PERM_EXECUTE : 0;
675 DEBUGADD(10, ("Converted to %d id %d perm %x\n",
676 g_ace->ace_type, g_ace->ace_who, g_ace->ace_perm));
682 static int gpfsacl_sys_acl_set_file(vfs_handle_struct *handle,
687 struct gpfs_acl *gpfs_acl;
690 gpfs_acl = smb2gpfs_acl(theacl, type);
691 if (gpfs_acl == NULL) {
695 result = smbd_gpfs_putacl((char *)name, GPFS_PUTACL_STRUCT | GPFS_ACL_SAMBA, gpfs_acl);
701 static int gpfsacl_sys_acl_set_fd(vfs_handle_struct *handle,
705 return gpfsacl_sys_acl_set_file(handle, fsp->fsp_name, SMB_ACL_TYPE_ACCESS, theacl);
708 static int gpfsacl_sys_acl_delete_def_file(vfs_handle_struct *handle,
716 * Assumed: mode bits are shiftable and standard
717 * Output: the new aceMask field for an smb nfs4 ace
719 static uint32 gpfsacl_mask_filter(uint32 aceType, uint32 aceMask, uint32 rwx)
721 const uint32 posix_nfs4map[3] = {
722 SMB_ACE4_EXECUTE, /* execute */
723 SMB_ACE4_WRITE_DATA | SMB_ACE4_APPEND_DATA, /* write; GPFS specific */
724 SMB_ACE4_READ_DATA /* read */
727 uint32_t posix_mask = 0x01;
732 nfs4_bits = posix_nfs4map[i];
733 posix_bit = rwx & posix_mask;
735 if (aceType==SMB_ACE4_ACCESS_ALLOWED_ACE_TYPE) {
737 aceMask |= nfs4_bits;
739 aceMask &= ~nfs4_bits;
741 /* add deny bits when suitable */
743 aceMask |= nfs4_bits;
745 aceMask &= ~nfs4_bits;
746 } /* other ace types are unexpected */
754 static int gpfsacl_emu_chmod(const char *path, mode_t mode)
756 SMB4ACL_T *pacl = NULL;
758 bool haveAllowEntry[SMB_ACE4_WHO_EVERYONE + 1] = {False, False, False, False};
760 files_struct fake_fsp; /* TODO: rationalize parametrization */
763 DEBUG(10, ("gpfsacl_emu_chmod invoked for %s mode %o\n", path, mode));
765 result = gpfs_get_nfs4_acl(path, &pacl);
769 if (mode & ~(S_IRWXU | S_IRWXG | S_IRWXO)) {
770 DEBUG(2, ("WARNING: cutting extra mode bits %o on %s\n", mode, path));
773 for (smbace=smb_first_ace4(pacl); smbace!=NULL; smbace = smb_next_ace4(smbace)) {
774 SMB_ACE4PROP_T *ace = smb_get_ace4(smbace);
775 uint32_t specid = ace->who.special_id;
777 if (ace->flags&SMB_ACE4_ID_SPECIAL &&
778 ace->aceType<=SMB_ACE4_ACCESS_DENIED_ACE_TYPE &&
779 specid <= SMB_ACE4_WHO_EVERYONE) {
783 if (ace->aceType==SMB_ACE4_ACCESS_ALLOWED_ACE_TYPE)
784 haveAllowEntry[specid] = True;
786 /* mode >> 6 for @owner, mode >> 3 for @group,
787 * mode >> 0 for @everyone */
788 newMask = gpfsacl_mask_filter(ace->aceType, ace->aceMask,
789 mode >> ((SMB_ACE4_WHO_EVERYONE - specid) * 3));
790 if (ace->aceMask!=newMask) {
791 DEBUG(10, ("ace changed for %s (%o -> %o) id=%d\n",
792 path, ace->aceMask, newMask, specid));
794 ace->aceMask = newMask;
798 /* make sure we have at least ALLOW entries
799 * for all the 3 special ids (@EVERYONE, @OWNER, @GROUP)
802 for(i = SMB_ACE4_WHO_OWNER; i<=SMB_ACE4_WHO_EVERYONE; i++) {
805 if (haveAllowEntry[i]==True)
809 ace.aceType = SMB_ACE4_ACCESS_ALLOWED_ACE_TYPE;
810 ace.flags |= SMB_ACE4_ID_SPECIAL;
811 ace.who.special_id = i;
813 if (i==SMB_ACE4_WHO_GROUP) /* not sure it's necessary... */
814 ace.aceFlags |= SMB_ACE4_IDENTIFIER_GROUP;
816 ace.aceMask = gpfsacl_mask_filter(ace.aceType, ace.aceMask,
817 mode >> ((SMB_ACE4_WHO_EVERYONE - i) * 3));
819 /* don't add unnecessary aces */
823 /* we add it to the END - as windows expects allow aces */
824 smb_add_ace4(pacl, &ace);
825 DEBUG(10, ("Added ALLOW ace for %s, mode=%o, id=%d, aceMask=%x\n",
826 path, mode, i, ace.aceMask));
829 /* don't add complementary DENY ACEs here */
830 ZERO_STRUCT(fake_fsp);
831 fake_fsp.fsp_name = (char *)path; /* no file_new is needed here */
834 if (gpfsacl_process_smbacl(&fake_fsp, pacl) == False)
836 return 0; /* ok for [f]chmod */
839 static int vfs_gpfs_chmod(vfs_handle_struct *handle, const char *path, mode_t mode)
844 if (SMB_VFS_NEXT_STAT(handle, path, &st) != 0) {
848 /* avoid chmod() if possible, to preserve acls */
849 if ((st.st_ex_mode & ~S_IFMT) == mode) {
853 rc = gpfsacl_emu_chmod(path, mode);
855 return SMB_VFS_NEXT_CHMOD(handle, path, mode);
859 static int vfs_gpfs_fchmod(vfs_handle_struct *handle, files_struct *fsp, mode_t mode)
864 if (SMB_VFS_NEXT_FSTAT(handle, fsp, &st) != 0) {
868 /* avoid chmod() if possible, to preserve acls */
869 if ((st.st_ex_mode & ~S_IFMT) == mode) {
873 rc = gpfsacl_emu_chmod(fsp->fsp_name, mode);
875 return SMB_VFS_NEXT_FCHMOD(handle, fsp, mode);
879 static int gpfs_set_xattr(struct vfs_handle_struct *handle, const char *path,
880 const char *name, const void *value, size_t size, int flags){
881 const char *attrstr = value;
882 unsigned int dosmode=0;
883 struct gpfs_winattr attrs;
886 DEBUG(10, ("gpfs_set_xattr: %s \n",path));
888 /* Only handle DOS Attributes */
889 if (strcmp(name,SAMBA_XATTR_DOS_ATTRIB) != 0){
890 DEBUG(1, ("gpfs_set_xattr:name is %s\n",name));
891 return SMB_VFS_NEXT_SETXATTR(handle,path,name,value,size,flags);
894 if (size < 2 || attrstr[0] != '0' || attrstr[1] != 'x' ||
895 sscanf(attrstr, "%x", &dosmode) != 1) {
896 DEBUG(1,("gpfs_set_xattr: Trying to set badly formed DOSATTRIB on file %s - %s\n", path, attrstr));
901 /*Just map RD_ONLY, ARCHIVE, SYSTEM and HIDDEN. Ignore the others*/
902 if (dosmode & FILE_ATTRIBUTE_ARCHIVE){
903 attrs.winAttrs |= GPFS_WINATTR_ARCHIVE;
905 if (dosmode & FILE_ATTRIBUTE_HIDDEN){
906 attrs.winAttrs |= GPFS_WINATTR_HIDDEN;
908 if (dosmode & FILE_ATTRIBUTE_SYSTEM){
909 attrs.winAttrs |= GPFS_WINATTR_SYSTEM;
911 if (dosmode & FILE_ATTRIBUTE_READONLY){
912 attrs.winAttrs |= GPFS_WINATTR_READONLY;
916 ret = set_gpfs_winattrs(CONST_DISCARD(char *, path),
917 GPFS_WINATTR_SET_ATTRS, &attrs);
919 DEBUG(1, ("gpfs_set_xattr:Set GPFS attributes failed %d\n",ret));
923 DEBUG(10, ("gpfs_set_xattr:Set attributes: 0x%x\n",attrs.winAttrs));
927 static size_t gpfs_get_xattr(struct vfs_handle_struct *handle, const char *path,
928 const char *name, void *value, size_t size){
929 char *attrstr = value;
930 unsigned int dosmode = 0;
931 struct gpfs_winattr attrs;
934 DEBUG(10, ("gpfs_get_xattr: %s \n",path));
936 /* Only handle DOS Attributes */
937 if (strcmp(name,SAMBA_XATTR_DOS_ATTRIB) != 0){
938 DEBUG(1, ("gpfs_get_xattr:name is %s\n",name));
939 return SMB_VFS_NEXT_GETXATTR(handle,path,name,value,size);
942 ret = get_gpfs_winattrs(CONST_DISCARD(char *, path), &attrs);
944 DEBUG(1, ("gpfs_get_xattr: Get GPFS attributes failed: %d\n",ret));
948 DEBUG(10, ("gpfs_get_xattr:Got attributes: 0x%x\n",attrs.winAttrs));
950 /*Just map RD_ONLY, ARCHIVE, SYSTEM and HIDDEN. Ignore the others*/
951 if (attrs.winAttrs & GPFS_WINATTR_ARCHIVE){
952 dosmode |= FILE_ATTRIBUTE_ARCHIVE;
954 if (attrs.winAttrs & GPFS_WINATTR_HIDDEN){
955 dosmode |= FILE_ATTRIBUTE_HIDDEN;
957 if (attrs.winAttrs & GPFS_WINATTR_SYSTEM){
958 dosmode |= FILE_ATTRIBUTE_SYSTEM;
960 if (attrs.winAttrs & GPFS_WINATTR_READONLY){
961 dosmode |= FILE_ATTRIBUTE_READONLY;
964 snprintf(attrstr, size, "0x%x", dosmode & SAMBA_ATTRIBUTES_MASK);
965 DEBUG(10, ("gpfs_get_xattr: returning %s\n",attrstr));
969 static int vfs_gpfs_stat(struct vfs_handle_struct *handle,
970 struct smb_filename *smb_fname)
972 struct gpfs_winattr attrs;
977 ret = SMB_VFS_NEXT_STAT(handle, smb_fname);
981 status = get_full_smb_filename(talloc_tos(), smb_fname, &fname);
982 if (!NT_STATUS_IS_OK) {
983 errno = map_errno_from_nt_status(status);
986 ret = get_gpfs_winattrs(CONST_DISCARD(char *, fname), &attrs);
989 smb_fname->st.st_ex_btime.tv_sec = attrs.creationTime.tv_sec;
990 smb_fname->st.st_ex_btime.tv_nsec = attrs.creationTime.tv_nsec;
995 static int vfs_gpfs_fstat(struct vfs_handle_struct *handle,
996 struct files_struct *fsp, SMB_STRUCT_STAT *sbuf)
998 struct gpfs_winattr attrs;
1001 ret = SMB_VFS_NEXT_FSTAT(handle, fsp, sbuf);
1005 if ((fsp->fh == NULL) || (fsp->fh->fd == -1)) {
1008 ret = smbd_fget_gpfs_winattrs(fsp->fh->fd, &attrs);
1010 sbuf->st_ex_btime.tv_sec = attrs.creationTime.tv_sec;
1011 sbuf->st_ex_btime.tv_nsec = attrs.creationTime.tv_nsec;
1016 static int vfs_gpfs_lstat(struct vfs_handle_struct *handle,
1017 struct smb_filename *smb_fname)
1019 struct gpfs_winattr attrs;
1024 ret = SMB_VFS_NEXT_LSTAT(handle, smb_fname);
1028 status = get_full_smb_filename(talloc_tos(), smb_fname, &path);
1029 if (!NT_STATUS_IS_OK) {
1030 errno = map_errno_from_nt_status(status);
1033 ret = get_gpfs_winattrs(CONST_DISCARD(char *, path), &attrs);
1036 smb_fname->st.st_ex_btime.tv_sec = attrs.creationTime.tv_sec;
1037 smb_fname->st.st_ex_btime.tv_nsec = attrs.creationTime.tv_nsec;
1042 /* VFS operations structure */
1044 static vfs_op_tuple gpfs_op_tuples[] = {
1046 { SMB_VFS_OP(vfs_gpfs_kernel_flock),
1047 SMB_VFS_OP_KERNEL_FLOCK,
1048 SMB_VFS_LAYER_OPAQUE },
1050 { SMB_VFS_OP(vfs_gpfs_setlease),
1051 SMB_VFS_OP_LINUX_SETLEASE,
1052 SMB_VFS_LAYER_OPAQUE },
1054 { SMB_VFS_OP(vfs_gpfs_get_real_filename),
1055 SMB_VFS_OP_GET_REAL_FILENAME,
1056 SMB_VFS_LAYER_OPAQUE },
1058 { SMB_VFS_OP(gpfsacl_fget_nt_acl),
1059 SMB_VFS_OP_FGET_NT_ACL,
1060 SMB_VFS_LAYER_TRANSPARENT },
1062 { SMB_VFS_OP(gpfsacl_get_nt_acl),
1063 SMB_VFS_OP_GET_NT_ACL,
1064 SMB_VFS_LAYER_TRANSPARENT },
1066 { SMB_VFS_OP(gpfsacl_fset_nt_acl),
1067 SMB_VFS_OP_FSET_NT_ACL,
1068 SMB_VFS_LAYER_TRANSPARENT },
1070 { SMB_VFS_OP(gpfsacl_sys_acl_get_file),
1071 SMB_VFS_OP_SYS_ACL_GET_FILE,
1072 SMB_VFS_LAYER_TRANSPARENT },
1074 { SMB_VFS_OP(gpfsacl_sys_acl_get_fd),
1075 SMB_VFS_OP_SYS_ACL_GET_FD,
1076 SMB_VFS_LAYER_TRANSPARENT },
1078 { SMB_VFS_OP(gpfsacl_sys_acl_set_file),
1079 SMB_VFS_OP_SYS_ACL_SET_FILE,
1080 SMB_VFS_LAYER_TRANSPARENT },
1082 { SMB_VFS_OP(gpfsacl_sys_acl_set_fd),
1083 SMB_VFS_OP_SYS_ACL_SET_FD,
1084 SMB_VFS_LAYER_TRANSPARENT },
1086 { SMB_VFS_OP(gpfsacl_sys_acl_delete_def_file),
1087 SMB_VFS_OP_SYS_ACL_DELETE_DEF_FILE,
1088 SMB_VFS_LAYER_TRANSPARENT },
1090 { SMB_VFS_OP(vfs_gpfs_chmod),
1092 SMB_VFS_LAYER_TRANSPARENT },
1094 { SMB_VFS_OP(vfs_gpfs_fchmod),
1096 SMB_VFS_LAYER_TRANSPARENT },
1098 { SMB_VFS_OP(vfs_gpfs_close),
1100 SMB_VFS_LAYER_TRANSPARENT },
1102 { SMB_VFS_OP(gpfs_set_xattr),
1103 SMB_VFS_OP_SETXATTR,
1104 SMB_VFS_LAYER_TRANSPARENT },
1106 { SMB_VFS_OP(gpfs_get_xattr),
1107 SMB_VFS_OP_GETXATTR,
1108 SMB_VFS_LAYER_TRANSPARENT },
1110 { SMB_VFS_OP(vfs_gpfs_stat),
1112 SMB_VFS_LAYER_TRANSPARENT },
1114 { SMB_VFS_OP(vfs_gpfs_fstat),
1116 SMB_VFS_LAYER_TRANSPARENT },
1118 { SMB_VFS_OP(vfs_gpfs_lstat),
1120 SMB_VFS_LAYER_TRANSPARENT },
1122 { SMB_VFS_OP(NULL), SMB_VFS_OP_NOOP, SMB_VFS_LAYER_NOOP }
1127 NTSTATUS vfs_gpfs_init(void);
1128 NTSTATUS vfs_gpfs_init(void)
1132 return smb_register_vfs(SMB_VFS_INTERFACE_VERSION, "gpfs",