[Bug 216239] samba shadow_copy gets access denied while accessing .zfs/snapshot
bugzilla-noreply at freebsd.org
bugzilla-noreply at freebsd.org
Wed Jan 18 17:16:29 UTC 2017
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=216239
Bug ID: 216239
Summary: samba shadow_copy gets access denied while accessing
.zfs/snapshot
Product: Ports & Packages
Version: Latest
Hardware: amd64
OS: Any
Status: New
Severity: Affects Many People
Priority: ---
Component: Individual Port(s)
Assignee: freebsd-ports-bugs at FreeBSD.org
Reporter: wkg21 at cam.ac.uk
I am using vfs shadow_copy2 and zfsacl to have acl and previous versions of
files and didrectories. but when i try to check previous version of file or
directory I'm getting this error:
CUL+user1 closed file somefolder/New Microsoft Access Database.accdb
(numopen=3) NT_STATUS_OK
[2017/01/18 11:31:04.969851, 0]
../source3/modules/vfs_shadow_copy2.c:1220(check_access_snapdir)
user does not have list permission on snapdir /dataPool/test/.zfs/snapshot
[2017/01/18 11:31:04.970005, 0]
../source3/modules/vfs_shadow_copy2.c:1389(shadow_copy2_get_shadow_copy_data)
access denied on listing snapdir /dataPool/test/.zfs/snapshot
[2017/01/18 11:31:04.970083, 0]
../source3/modules/vfs_default.c:1197(vfswrap_fsctl)
FSCTL_GET_SHADOW_COPY_DATA: connectpath /dataPool/test, failed -
NT_STATUS_ACCESS_DENIED.
[2017/01/18 11:31:04.970177, 3]
../source3/smbd/smb2_server.c:3098(smbd_smb2_request_error_ex)
smbd_smb2_request_error_ex: smbd_smb2_request_error_ex: idx[1]
status[NT_STATUS_ACCESS_DENIED] || at ../source3/smbd/smb2_ioctl.c:309
more verbose:
../source3/modules/vfs_shadow_copy2.c:245: enter path
'/dataPool/test/.zfs/snapshot'
[2017/01/18 11:55:33.012508, 9, pid=33244, effective(12576, 10513), real(0,
0), class=vfs] ../source3/modules/vfs_zfsacl.c:56(zfs_get_nt_acl_common)
acl(ACE_GETACLCNT, /dataPool/test/.zfs/snapshot): Operation is not supported
on the filesystem where the file reside
[2017/01/18 11:55:33.012546, 10, pid=33244, effective(12576, 10513), real(0,
0)] ../source3/smbd/open.c:131(smbd_check_access_rights)
smbd_check_access_rights: Could not get acl on /dataPool/test/.zfs/snapshot:
NT_STATUS_NOT_SUPPORTED
[2017/01/18 11:55:33.012589, 0, pid=33244, effective(12576, 10513), real(0,
0)] ../source3/modules/vfs_shadow_copy2.c:1221(check_access_snapdir)
user does not have list permission on snapdir /dataPool/test/.zfs/snapshot
[2017/01/18 11:55:33.012651, 0, pid=33244, effective(12576, 10513), real(0,
0)]
../source3/modules/vfs_shadow_copy2.c:1390(shadow_copy2_get_shadow_copy_data)
access denied on listing snapdir /dataPool/test/.zfs/snapshot
[2017/01/18 11:55:33.012702, 0, pid=33244, effective(12576, 10513), real(0,
0), class=vfs] ../source3/modules/vfs_default.c:1189(vfswrap_fsctl)
FSCTL_GET_SHADOW_COPY_DATA: connectpath /dataPool/test, failed -
NT_STATUS_ACCESS_DENIED.
[2017/01/18 11:55:33.012773, 10, pid=33244, effective(12576, 10513), real(0,
0)] ../source3/smbd/smb2_ioctl.c:291(smbd_smb2_request_ioctl_done)
smbd_smb2_request_ioctl_done: smbd_smb2_ioctl_recv returned 0 status
NT_STATUS_ACCESS_DENIED
[2017/01/18 11:55:33.012818, 10, pid=33244, effective(12576, 10513), real(0,
0)] ../source3/smbd/smb2_server.c:2789(smbd_smb2_request_error_ex)
smbd_smb2_request_error_ex: idx[1] status[NT_STATUS_ACCESS_DENIED] || at
../source3/smbd/smb2_ioctl.c:309
[2017/01/18 11:55:33.012863, 10, pid=33244, effective(12576, 10513), real(0,
0)] ../source3/smbd/smb2_server.c:2680(smbd_smb2_request_done_ex)
smbd_smb2_request_done_ex: idx[1] status[NT_STATUS_ACCESS_DENIED] body[8]
dyn[yes:1] at ../source3/smbd/smb2_server.c:2837
[2017/01/18 11:55:33.012910, 10, pid=33244, effective(12576, 10513), real(0,
0)] ../source3/smbd/smb2_server.c:906(smb2_set_operation_credit)
smb2_set_operation_credit: requested 1, charge 1, granted 1, current
possible/max 386/512, total granted/max/low/range 127/8192/46/127
I using using samba44: 4.4.8_1 installed with pkg. I have checked samba43 and
samba42 and these verion also have this problem.
# SHARE conf
[test]
comment = Test share
path = /dataPool/test
browseable = yes
read only = no
valid users = user1, user2, user3
guest ok = no
create mask = 0664
directory mask = 0775
vfs objects = shadow_copy2 zfsacl
shadow: snapdir = .zfs/snapshot
shadow: sort = desc
shadow: localtime = yes
shadow: format = zfs-auto-snap_%Y-%m-%d-%H%M
nfs4:mode = simple
nfs4:acedup = merge
nfs4:chown = yes
map acl inherit = Yes
store dos attributes = Yes
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