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Commit Graph

1120 Commits

Author SHA1 Message Date
Ralph Boehme
dd4d4f8129 smbd: assert (fsp->dirfsp == conn->cwd_fsp) in open_file_ntcreate()
There's a bunch of stuff that needs updating to work with atnames.

Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2020-05-21 05:23:32 +00:00
Ralph Boehme
5a7ce143bc smbd: set fsp->dirfsp in create_file_unixpath()
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2020-05-21 05:23:32 +00:00
Ralph Boehme
68b28275f0 smbd: use dirfsp in mkdir_internal()
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2020-05-21 05:23:31 +00:00
Ralph Boehme
435a19eaa7 smbd: fix check_parent_access() args alignment in mkdir_internal()
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2020-05-21 05:23:31 +00:00
Ralph Boehme
0591904bb8 smbd: fix SMB_VFS_MKDIRAT() arg alignment in mkdir_internal()
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2020-05-21 05:23:31 +00:00
Ralph Boehme
31a4a3a5ca smbd: pass dirfsp to mkdir_internal()
Not really used for now and marked with

SMB_ASSERT(dirfsp == conn->cwd_fsp)

because it needs to be updated later to work with real dirfsp.

Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2020-05-21 05:23:31 +00:00
Ralph Boehme
0ca3f13b21 smbd: set fsp->dirfsp in open_directory()
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2020-05-21 05:23:31 +00:00
Ralph Boehme
67373681c5 smbd: use dirfsp in open_directory()
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2020-05-21 05:23:31 +00:00
Ralph Boehme
1f581fb384 smbd: pass dirfsp to open_directory()
As the calls to

* SMB_VFS_LSTAT()
* get_share_mode_lock()

and maybe others still have to be updated to work with atnames, we
assert (dirfsp == conn->cwd_fsp).

Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2020-05-21 05:23:31 +00:00
Ralph Boehme
227e14acd6 smbd: realign args in calls to open_directory()
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2020-05-21 05:23:31 +00:00
Ralph Boehme
9f5fd73846 smbd: pass dirfsp to create_file_unixpath()
As the calls to

* lease_match()
* open_streams_for_delete()
* check_base_file_access
* SMB_VFS_STAT

and others needs to be updated to work with atnames in the
future, we assert (dirfsp == conn->cwd_fsp).

Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2020-05-21 05:23:31 +00:00
Ralph Boehme
12b2844571 smbd: realign create_file_unixpath() args
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2020-05-21 05:23:31 +00:00
Ralph Boehme
44cd415921 smbd: add dirfsp arg to SMB_VFS_CREATE_FILE()
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>
2020-05-21 05:23:31 +00:00
Ralph Boehme
97d061237b smbd: move conn_rootdir_fname to non_widelink_open()
No change in behaviour. This just simplifies fd_open() a bit which will make it
easier to add an fd_openat() later.

Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2020-05-21 05:23:29 +00:00
Ralph Boehme
15303ee19b smbd: prepare for replacing SMB_VFS_READLINKAT() with SMB_VFS_STATX() in the future
Add a large comment inside process_symlink_open() explaining why we need to call
SMB_VFS_READLINKAT().

As we don't make use of the returned name and just rely on SMB_VFS_REALPATH()
doing its job, remove target_fname

Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2020-05-21 05:23:29 +00:00
Ralph Boehme
d60b1134b9 smbd: exit early in the error case in fd_open()
No change in behaviour.

Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2020-05-21 05:23:29 +00:00
Ralph Boehme
f1d204c5ba smbd: refactor flags computation for fd_open() in open_directory() a bit
No change in behaviour. A subsequent commit will optionally add an additional
flag, this change allows for a smaller diff of that commit.

Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2020-05-21 05:23:29 +00:00
Ralph Boehme
7215669d29 vfs: remove root_dir_fid arg from SMB_VFS_CREATE_FILE()
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
2020-05-14 19:43:27 +00:00
Ralph Boehme
59f55aa083 smbd: fix for bug 14375
... with many thanks to an enthusiastic Samba user from Poland for helping to
track this down.

BUG: https://bugzilla.samba.org/show_bug.cgi?id=14375

Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
2020-05-12 18:15:31 +00:00
Ralph Boehme
3f37008eda smbd: make conflicting_access available to other functions
The next commit adds more users of conflicting_access.

BUG: https://bugzilla.samba.org/show_bug.cgi?id=14375

Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
2020-05-12 18:15:31 +00:00
Jeremy Allison
6b65156f0e s3: smbd: Change SMB_VFS_GET_NT_ACL() -> SMB_VFS_GET_NT_ACL_AT() in inherit_new_acl().
Hard code at conn->cwd_fsp for now.

Last user of SMB_VFS_GET_NT_ACL(). This VFS function can
now be removed.

Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
2020-05-07 19:27:36 +00:00
Jeremy Allison
98dfc4edac s3: smbd: Change SMB_VFS_GET_NT_ACL() -> SMB_VFS_GET_NT_ACL_AT() in smbd_calculate_maximum_allowed_access().
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
2020-05-07 19:27:36 +00:00
Jeremy Allison
dbfccb9f49 s3: smbd: Change SMB_VFS_GET_NT_ACL() -> SMB_VFS_GET_NT_ACL_AT() in smbd_check_access_rights().
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
2020-05-07 19:27:36 +00:00
Jeremy Allison
c12e03b808 s3: smbd: Change SMB_VFS_GET_NT_ACL() -> SMB_VFS_GET_NT_ACL_AT() in smbd_check_access_rights().
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
2020-05-07 19:27:36 +00:00
Ralph Boehme
89eb4c0225 smbd: set twrp in target_fname in target_fname()
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2020-05-05 19:18:42 +00:00
Ralph Boehme
671319bcb4 smbd: realign target_fname initialisation in process_symlink_open()
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2020-05-05 19:18:42 +00:00
Ralph Boehme
1e5164afaf smbd: pass twrp as NTTIME to filename_convert() and all the way down to canonicalize_snapshot_path()
Also pass by value rather then by reference.

Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2020-05-05 19:18:40 +00:00
Ralph Boehme
b74653f2cd smbd: add twrp arg to synthetic_smb_fname()
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>
2020-05-05 19:18:40 +00:00
Ralph Boehme
15f438dd22 smbd: realign synthetic_smb_fname() args in msg_file_was_renamed()
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2020-05-05 19:18:39 +00:00
Ralph Boehme
7c10d078eb smbd: realign args calling synthetic_smb_fname() in change_dir_owner_to_parent()
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2020-05-05 19:18:38 +00:00
Jeremy Allison
29cbfd0ba3 s3: smbd: Add a dirfsp parameter to smbd_calculate_maximum_allowed_access().
Not yet used. Currently always conn->cwd_fsp.

Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>

Autobuild-User(master): Ralph Böhme <slow@samba.org>
Autobuild-Date(master): Mon May  4 15:33:09 UTC 2020 on sn-devel-184
2020-05-04 15:33:08 +00:00
Jeremy Allison
976a60304a s3: smbd: Reformat users of smbd_calculate_maximum_allowed_access().
Make new parameter addition clearer.

Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
2020-05-04 13:55:34 +00:00
Jeremy Allison
a20d06675f s3: smbd: Add a dirfsp parameter to smbd_calculate_access_mask().
Not yet used. Currently always conn->cwd_fsp.

Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
2020-05-04 13:55:34 +00:00
Jeremy Allison
c7144b7acd s3: smbd: Reformat users of smbd_calculate_access_mask().
Make new parameter addition clearer.

Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
2020-05-04 13:55:34 +00:00
Jeremy Allison
66a4e6b5c6 s3: smbd: Add a dirfsp parameter to check_parent_access().
Not yet used. Currently always conn->cwd_fsp.

Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
2020-05-04 13:55:34 +00:00
Jeremy Allison
3e6e9e4281 s3: smbd: Reformat users of check_parent_access().
Make new parameter addition clearer.

Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
2020-05-04 13:55:34 +00:00
Jeremy Allison
49ec754fca s3: smbd: Add a dirfsp parameter to smbd_check_access_rights().
Not yet used. Currently always conn->cwd_fsp.

Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
2020-05-04 13:55:33 +00:00
Jeremy Allison
839a2fb7a5 s3: smbd: Add dirfsp parameter to can_delete_file_in_directory().
Not yet used. Currently always conn->cwd_fsp.

Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
2020-05-04 13:55:32 +00:00
Jeremy Allison
1a53b81a7b s3: smbd: Reformat definition and callers of can_delete_file_in_directory().
Makes future addition of parameter easier to see.

Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
2020-05-04 13:55:32 +00:00
Ralph Boehme
62621bd686 smbd: use is_lease_stat_open() in delay_for_oplock()
This allows READ_CONTROL_ACCESS in the access mask as stat open if a file has
only leases.

BUG: https://bugzilla.samba.org/show_bug.cgi?id=14357

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 Apr 30 21:10:43 UTC 2020 on sn-devel-184
2020-04-30 21:10:43 +00:00
Ralph Boehme
9b0a31af12 smbd: add is_lease_stat_open()
This adds a leases specific stat opens access mask check function.

See also:

https://lists.samba.org/archive/cifs-protocol/2020-March/003409.html

BUG: https://bugzilla.samba.org/show_bug.cgi?id=14357

Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2020-04-30 19:32:45 +00:00
Ralph Boehme
00001286e1 smbd: rename is_stat_open() to is_oplock_stat_open()
Testing stat opens with with leases reveals that that the access mask

  SYNCHRONIZE_ACCESS | FILE_READ_ATTRIBUTES | FILE_WRITE_ATTRIBUTES

is specific to oplocks.

See also:

https://lists.samba.org/archive/cifs-protocol/2020-March/003409.html

BUG: https://bugzilla.samba.org/show_bug.cgi?id=14357

Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2020-04-30 19:32:45 +00:00
Jeremy Allison
152fb23fac s3: smbd: Add a dirfsp parameter to directory_has_default_acl().
Not yet used, but will make it easier to move to SMB_VFS_GET_NT_ACL_AT()
later.

Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
2020-04-30 07:33:41 +00:00
Jeremy Allison
98c8785c58 s3: smbd: Reformat uses of directory_has_default_acl().
Makes it easier to add a dirfsp parameter.

Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
2020-04-30 07:33:41 +00:00
Ralph Boehme
954d877a2e smbd: remove unneeded parent_dir variable from mkdir_internal()
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): Wed Apr 29 18:16:02 UTC 2020 on sn-devel-184
2020-04-29 18:16:02 +00:00
Ralph Boehme
328716b91b smbd: convert inherit_from_dir arg of change_dir_owner_to_parent() to struct smb_filename
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2020-04-29 16:39:41 +00:00
Ralph Boehme
3eb42c24ff smbd: convert inherit_from_dir arg of change_file_owner_to_parent() to struct smb_filename
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2020-04-29 16:39:41 +00:00
Ralph Boehme
bf504ac3c6 smbd: convert inherit_access_posix_acl() arg parent_dir to struct smb_filename
This also fixes a bug introduced by cea8e57eac
where inherit_access_posix_acl() used the smb_fname->base_name instead of
inherit_from_dir in synthetic_smb_fname() to get an struct smb_filename of the
parent directory.

Nobody complained so far, fix it silently.

Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2020-04-29 16:39:41 +00:00
Ralph Boehme
0ff2dda37d smbd: convert parent_dir arg of open_file() to struct smb_filename
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2020-04-29 16:39:41 +00:00
Ralph Boehme
45a560bce3 smbd: pass struct smb_filename smb_fname_parent to unix_mode()
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2020-04-29 16:39:41 +00:00
Ralph Boehme
214dea7def smbd: pass struct smb_filename parent_dir to file_set_dosmode()
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2020-04-29 16:39:40 +00:00
Ralph Boehme
d9ae1c78b9 smbd: pass struct smb_filename to directory_has_default_acl()
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2020-04-29 16:39:40 +00:00
Ralph Boehme
3830ba0d5b smbd: use parent_smb_fname() in inherit_new_acl()
Note: has to rename the variable parent_smb_fname otherwise it conflicts with
the function name.

Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2020-04-29 16:39:40 +00:00
Ralph Boehme
90a198bcd0 smbd: use parent_smb_fname() in mkdir_internal()
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2020-04-29 16:39:40 +00:00
Ralph Boehme
16f866a1a0 smbd: use parent_smb_fname() in open_file_ntcreate()
Prepares for converting a bunch of functions to struct smb_filename later.

Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2020-04-29 16:39:40 +00:00
Ralph Boehme
4c497c7731 smbd: use parent_smb_fname() in non_widelink_open()
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2020-04-29 16:39:40 +00:00
Ralph Boehme
61bf5410f0 smbd: use parent_smb_fname() in check_parent_access()
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2020-04-29 16:39:39 +00:00
Jeremy Allison
1ebec7056b s3: smbd: Refuse open in create_file_unixpath() with only SEC_FLAG_SYSTEM_SECURITY set.
We now pass smbtorture3 SMB2-SACL like Windows 10 does.
Note this is an SMB2-only behavior. SMB1 allows an open
with only SEC_FLAG_SYSTEM_SECURITY set as tested in
smbtorture3 SMB1-SYSTEM-SECURITY.

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): Tue Apr 21 20:17:10 UTC 2020 on sn-devel-184
2020-04-21 20:17:10 +00:00
Jeremy Allison
d53c3f2b83 s3: smbd: Reformat code in SEC_FLAG_SYSTEM_SECURITY check in create_file_unixpath().
No logic change but uses modern formatting and will
make it easier to add another clause in the next commit.

Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
2020-04-21 18:37:40 +00:00
Jeremy Allison
21b8857919 smbd: Ensure SEC_FLAG_SYSTEM_SECURITY also opens the underlying fd.
smbtorture3 SMB2-SAL test shows this is needed as we store the SACL in the same
data store as the DACL.

Without this, opening a file with SEC_FLAG_SYSTEM_SECURITY | READ_ATTRIBUTES
would do a stat open, meaning when we call SMB_VFS_FGET_NT_ACL()
on the fsp we have no open fd to work on.

Pair-Programmed-With: Jeremy Allison <jra@samba.org>
Signed-off-by: Ralph Boehme <slow@samba.org>
2020-04-21 18:37:39 +00:00
Ralph Boehme
fff86ad49a smbd: use helper variables in open_file()
Simplify an if expression by using helper variables, no change in behaviour.

Signed-off-by: Ralph Boehme <slow@samba.org>
2020-04-21 18:37:39 +00:00
Jeremy Allison
8ec68cdfc4 s3: smbd: Reformatting - fix indentation in fd_open().
Now we removed the lp_widelinks() clause we
left an extra {..} level of indirection. Just
reformat to remove it. No logic changes.

Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
2020-04-09 19:40:35 +00:00
Jeremy Allison
d803d66b3c s3: smbd: Remove allowing widelinks in fd_open path.
Widelinks are now always denied, unless the vfs_widelinks
VFS module is loaded.

Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
2020-04-09 19:40:35 +00:00
Ralph Boehme
049488f6a5 smbd: move files_struct.is_sparse to a bitfield
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2020-04-03 19:05:44 +00:00
Ralph Boehme
b0824cf35f smbd: move files_struct.initial_delete_on_close to a bitfield
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2020-04-03 19:05:44 +00:00
Ralph Boehme
1ccd335af5 smbd: move files_struct.aio_write_behind to a bitfield
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2020-04-03 19:05:44 +00:00
Ralph Boehme
cb996cd5a3 smbd: move files_struct.is_directory to a bitfield
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2020-04-03 19:05:44 +00:00
Ralph Boehme
65a4302474 smbd: move files_struct.modified to a bitfield
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2020-04-03 19:05:44 +00:00
Ralph Boehme
b95c62bc90 smbd: move files_struct.can_write to a bitfield
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2020-04-03 19:05:44 +00:00
Ralph Boehme
8b48969241 smbd: move files_struct.can_read to a bitfield
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2020-04-03 19:05:44 +00:00
Ralph Boehme
d22096961b smbd: move files_struct.can_lock to a bitfield
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2020-04-03 19:05:43 +00:00
Ralph Boehme
7c386c08dc smbd: move files_struct.kernel_share_modes_taken to a bitfield
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2020-04-03 19:05:43 +00:00
Ralph Boehme
d961608ce9 smbd: simplify non_widelink_open()
As fsp->is_directory is already correctly populated by our callers, we can drop
the complicated and possibly broken logic that relies on O_DIRECTORY being
defined.

Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2020-03-24 19:48:41 +00:00
Volker Lendecke
aebe427b77 smbd: Separate aio_pthread indicator from normal EINTR
According to Posix and the Linux open(2) manpage, the open-syscall can
return EINTR. If that happens, core smbd saw this as an indication
that aio_pthread's open function was doing its job. With a real EINTR
without aio_pthread this meant we ended up in a server_exit after 20
seconds, because there was nobody to do the retry.

EINTR is mapped to NT_STATUS_RETRY. Handle this by just retrying after
a second.

Bug: https://bugzilla.samba.org/show_bug.cgi?id=14285
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>

Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Thu Feb 20 22:14:25 UTC 2020 on sn-devel-184
2020-02-20 22:14:25 +00:00
Volker Lendecke
e0814dc508 smbd: Allow a Posix create context to override the unix mode
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2020-02-07 21:01:31 +00:00
Ralph Boehme
7606800b79 smbd: avoid calling vfs_file_id_from_sbuf() if statinfo is not valid
When we're about to create a file, the stat info will be all zero, so
vfs_file_id_from_sbuf() would return a bogus file_id. This is normally not a
problem, as open_file() itself also calls vfs_file_id_from_sbuf() after having
created the file.

This is however a problem when using the VFS module fileid, as that is doing
caching of /etc/mtab and failing to find smb_fname->st.st_ex_dev (all zero in
this case when creating a new file) in the mtab cache will trigger a mtab reload
which can be *very* expensive.

Copying many small files to a Samba server in this situation will result in
abysimal performance.

BUG: https://bugzilla.samba.org/show_bug.cgi?id=14237

Pair-Programmed-With: Jeremy Allison <jra@samba.org>
Signed-off-by: Ralph Boehme <slow@samba.org>

Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Fri Jan 17 22:38:14 UTC 2020 on sn-devel-184
2020-01-17 22:38:14 +00:00
Volker Lendecke
1d0ffcf30e smbd: Remove an unused parameter from defer_open()
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: David Disseldorp <ddiss@samba.org>

Autobuild-User(master): David Disseldorp <ddiss@samba.org>
Autobuild-Date(master): Fri Jan  3 01:30:24 UTC 2020 on sn-devel-184
2020-01-03 01:30:24 +00:00
Volker Lendecke
ed3ee45254 smbd: Avoid a "? True : False"
VALID_STAT() already is a boolean expression

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: David Disseldorp <ddiss@samba.org>
2020-01-03 00:04:43 +00:00
Volker Lendecke
42ce74994e smbd: Avoid a direct access to share_mode_data->num_share_modes
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2019-12-17 22:40:32 +00:00
Volker Lendecke
6abcc83366 smbd: Explicitly state when modifying share_mode_data
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2019-12-16 19:02:32 +00:00
Volker Lendecke
810fd90a6f smbd: Fix a typo
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2019-12-16 19:02:31 +00:00
Volker Lendecke
f42e089a6e smbd: Avoid casts in open_directory()
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2019-12-16 19:02:31 +00:00
Ralph Boehme
69691dd0cd smbd: fix handling of sentinel timestamp values
This implements two core changes:

* use NTTIME instead of struct timespec at the database layer

* use struct timespec { .tv_nsec = SAMBA_UTIME_OMIT } as special sentinel
  value in smbd when processing timestamps

Using NTTIME at the database layer is only done to avoid storing the special
struct timespec sentinel values on disk. Instead, with NTTIME the sentinel value
for an "unset" timestamp is just 0 on-disk.

The NTTIME value of 0 gets translated by nt_time_to_full_timespec() to the
struct timespec sentinel value { .tv_nsec = SAMBA_UTIME_OMIT }.

The function is_omit_timespec() can be used to check this.

Beside nt_time_to_full_timespec(), there are various other new time conversion
functions with *full* in their name that can be used to safely convert between
different types with the changed sentinel value.

BUG: https://bugzilla.samba.org/show_bug.cgi?id=7771

Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2019-12-06 00:17:36 +00:00
Ralph Boehme
b5c6964a50 s3:param: make "servicename" a substituted option
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
2019-11-27 10:25:37 +00:00
Volker Lendecke
24f56aefb4 smbd: Use share_mode_watch_send()
This removes some dependencies on share_mode_data->record

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2019-11-22 23:57:47 +00:00
Volker Lendecke
3fea05e01f smbd: Remove write cache
Since this was written, our write path has changed significantly. In
particular we have gained very flexible support for async I/O, with the
linux io_uring in the pipeline. Caching stuff in main memory and then
doing a blocking pwrite nowadays does not belong into the core smbd
code. If someone wants it back, it should be doable in a VFS module.

Removes: "write cache size" parameter.

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>

Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Wed Nov 13 00:20:55 UTC 2019 on sn-devel-184
2019-11-13 00:20:55 +00:00
Volker Lendecke
54d673742f lib: Remove #define serverid_equal server_id_equal
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2019-11-06 20:36:34 +00:00
Anoop C S
0abd1189a6 s3: VFS: Use SMB_VFS_FCNTL to set fd flags in open_file()
Signed-off-by: Anoop C S <anoopcs@redhat.com>
Reviewed-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>

Autobuild-User(master): Ralph Böhme <slow@samba.org>
Autobuild-Date(master): Tue Oct  8 09:57:19 UTC 2019 on sn-devel-184
2019-10-08 09:57:19 +00:00
Ralph Boehme
c190f3efa9 s3:smbd: add a comment explaining the File-ID semantics when a file is created
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14137

Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2019-10-02 08:01:40 +00:00
Ralph Boehme
90a14c90c4 s3:smbd: ensure a created stream picks up the File-ID from the basefile
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14137

Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2019-10-02 08:01:40 +00:00
Ralph Boehme
49a754b82d s3:smbd: when storing DOS attribute call dos_mode() beforehand
This is required to ensure File-ID info is populated with the correct on-disk
value, before calling file_set_dosmode() which will update the on-disk value.

BUG: https://bugzilla.samba.org/show_bug.cgi?id=14137

Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2019-10-02 08:01:39 +00:00
Volker Lendecke
fd61e550ac smbd: Don't always walk the share mode array in open_mode_check()
share_mode_data->flags contains the "most restrictive" share mode of
the whole array. This is maintained lazily: Whenever set_share_mode()
is called, d->flags is updated if the new share mode got more
restrictive. It is not updated when a file is closed, as this would
mean we would have to walk the whole array, making sure that the
closed handle was indeed the only most restrictive one. Instead, we
walk the share mode array only when a conflict happens: Then we need
to know "the truth" and recalculate it by walking the share mode
array.

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>

Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Wed Sep 18 00:07:13 UTC 2019 on sn-devel-184
2019-09-18 00:07:13 +00:00
Volker Lendecke
ac85ec5ed8 smbd: Add share mode flags
This will contain a summary of the "most restrictive" share mode and
lease, i.e. intersection of all share_access entries and the union of
all access_mask and leases in the share mode array. This way
open_mode_check in the non-conflicting case will only have to look at
the summary and not walk the share mode array.

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2019-09-17 22:49:39 +00:00
Volker Lendecke
5151b6d58b smbd: Avoid calling remove_stale_share_mode_entries() in open.c
All places that matter explicitly check for staleness. This cleanup
action should only happen before writing the database

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2019-09-17 22:49:38 +00:00
Volker Lendecke
4d512f40f9 smbd: Pass share_mode_lock to remove_lease_if_stale()
We'll want to use share_mode_forall_entries next

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2019-09-17 22:49:38 +00:00
Volker Lendecke
8eda954d6d smbd: Use share_mode_forall_leases() in lease_match()
We have to break leases referenced from multiple share modes only
once.

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2019-09-17 22:49:38 +00:00
Volker Lendecke
2a784883a8 smbd: Use share_mode_forall_entries() in delay_for_oplock()
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2019-09-17 22:49:37 +00:00
Volker Lendecke
30e62710c6 smbd: Pass "struct file_id" to get_lease_type()
It does not have to depend on the whole struct share_mode_data.

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2019-09-17 22:49:37 +00:00
Volker Lendecke
aa94589904 smbd: Use share_mode_forall_entries() in validate_oplock_types()
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2019-09-17 22:49:37 +00:00
Volker Lendecke
fb0b107ac2 smbd: Use share_mode_forall_entries() in open_mode_check()
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2019-09-17 22:49:37 +00:00