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As create_file_default() still need to be updated in the future to replace the
SMB_VFS_STAT() calls with AT-based versions, it asserts (dirfsp ==
dirfsp->conn->cwd_fsp).
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
This denotes pure VFS layer dirfsps that are used in *AT varients of VFS
interface functions and which bypass the FSA layer, requiring special handling
in codepaths closing/freeing the fsp.
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
As fsp->fsp_name will be a AT-name in the future, we need something to retrieve
the full path for an fsp from for stuff like fsp_str_dbg().
As there are functions like vfs_stat_fsp() that have internal fallbacks to
path-based VFS functions if fsp->fh->fh == -1, having the original dirfsp as
part of the fsp helps in converting the internal VFS functions to AT versions.
In the future when all such internal fallbacks are eliminated we can remove
fsp->dirfsp to avoid the additional fd per fsp and use a fsp->path or similar.
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Optionally allow a database with g_lock format to participate in the dbwarp
lock order check. Will be used once locking.tdb is based upon g_lock.c
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Same concept as dbwrap_watched_watch_send/recv: Get informed if the
underlying data of a record changes. This utilizes the watched
database that g_lock is based upon anyway. To avoid spurious wakeups
by pure g_lock operations this patch adds a sequence number for the
data that is stored in the g_lock data field.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Thu May 14 19:43:27 UTC 2020 on sn-devel-184
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Thu May 7 21:04:59 UTC 2020 on sn-devel-184
Currently identical to SMB_VFS_GET_NT_ACL().
Next, add to all VFS modules that implement
get_nt_acl and eventually remove get_nt_acl.
NB. Modules that use smb_vfs_assert_all_fns()
have SMB_VFS_GET_NT_ACL_AT() will not build
until they have this function added.
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
Most places take twrp from a local struct smb_filename variable that the
function is working on. Some don't for various reasons:
o synthetic_smb_fname_split() is only called in very few places where we don't
expect twrp paths
o implementations of SMB_VFS_GETWD(), SMB_VFS_FS_CAPABILITIES() and
SMB_VFS_REALPATH() return the systems view of cwd and realpath without twrp info
o VFS modules implementing previous-versions support (vfs_ceph_snapshots,
vfs_shadow_copy2, vfs_snapper) synthesize raw paths that are passed to VFS NEXT
functions and therefor do not use twrp
o vfs_fruit: macOS doesn't support VSS
o vfs_recycle: in recycle_create_dir() we need a raw OS path to create a directory
o vfs_virusfilter: a few places where we need raw OS paths
o vfs_xattr_tdb: needs a raw OS path for SMB_VFS_NEXT_STAT()
o printing and rpc server: don't support VSS
o vfs_default_durable_reconnect: no Durable Handles on VSS handles, this might
be enhances in the future. No idea if Windows supports this.
o get_real_filename_full_scan: hm.... FIXME??
o get_original_lcomp: working on a raw path
o msdfs: doesn't support VSS
o vfs_get_ntquota: synthesizes an smb_filename from ".", so doesn't support VSS
even though VFS modules implement it
o fd_open: conn_rootdir_fname is a raw path
o msg_file_was_renamed: obvious
o open_np_file: pipes don't support VSS
o Python bindings: get's a raw path from the caller
o set_conn_connectpath: raw path
o set_conn_connectpath: raw path
o torture: gets raw paths from the caller
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Preparation for generic ctdb_req_send/recv: No need to expose
ctdbd_next_reqid(), do basic preparations of a ctdb_req_header
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
Prepare to set higher-precision timestamps. No change in behaviour so
far: The {.tv_nsec=SAMBA_UTIME_OMIT} implicitly sets .tv_sec=0, and
SMBC_setatr() only looks at .tv_sec
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
Updated comment in vfs.h explaining ABI change.
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Fri Apr 3 20:41:34 UTC 2020 on sn-devel-184
A subsequent commit will replace can_read with something much longer.
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
A subsequent commit will replace can_read with something much longer.
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
