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423 Commits

Author SHA1 Message Date
Ralph Boehme
c4cbe0610c vfs: make dirfsp arg to SMB_VFS_READLINKAT() const
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2020-10-23 07:56:32 +00:00
Ralph Boehme
322574834f vfs: remove dirfsp arg from SMB_VFS_CREATE_FILE()
This was supposed to be a shortcut to avoid passing dirfsp around as an explicit
function argument throughout the whole codebase when the new VFS design idea was
based on using *AT functions throughout the VFS.

Now that we've opted for basing the VFS on handles and *AT functions will only
be used in a much more limitted extent, it makes sense to remove this internal
dirfsp reference, otherwise the combination of internal fsp->dirfsp and
smb_fname->fsp is going to be a tough to wrap your head around.

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 Oct  2 21:00:05 UTC 2020 on sn-devel-184
2020-10-02 21:00:05 +00:00
Ralph Boehme
089d8f4438 vfs: add and use vfs_fake_fd()
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2020-10-02 19:39:43 +00:00
Christof Schmitt
6fc0a48626 smbd: Remove code inside #ifdef HAVE_BROKEN_READDIR_NAME
This is dead code, the define is never set.

Signed-off-by: Christof Schmitt <cs@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
2020-07-16 01:29:45 +00:00
Christof Schmitt
2162d50316 smbd: Remove code inside #ifdef NEXT2
This is dead code, the define is never set.

Signed-off-by: Christof Schmitt <cs@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
2020-07-16 01:29:45 +00:00
Stefan Metzmacher
f3f330f61d s3:smbd: make sure vfs_ChDir() always sets conn->cwd_fsp->fh->fd = AT_FDCWD
This is what all consumers of conn->cwd_fsp->fh->fd expect!

BUG: https://bugzilla.samba.org/show_bug.cgi?id=14427

Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
2020-07-02 15:25:31 +00:00
Stefan Metzmacher
b2b5ae090e s3:smbd: reformat if statement for caching in vfs_ChDir()
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14427

Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
2020-07-02 15:25:31 +00:00
Volker Lendecke
1943e967a0 smbd: Reduce indentation in check_reduced_name()
No change in behaviour.

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2020-06-15 17:59:39 +00:00
Jeremy Allison
65b8c0cfbe s3: VFS: Change the function signature for SMB_VFS_READ_DFS_PATHAT() to take a non-const smb_filename.
Otherwise there's no good way to return proper stat(2) information
for a DFS link without making assumptions it's a symlink store.

BUG: https://bugzilla.samba.org/show_bug.cgi?id=14391

Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
2020-06-03 04:54:38 +00:00
Ralph Boehme
32588c023e vfs: remove SMB_VFS_OPEN()
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2020-05-21 20:38:34 +00:00
Ralph Boehme
e4a38916e6 vfs: add SMB_VFS_OPENAT()
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2020-05-21 20:38:31 +00:00
Ralph Boehme
19a1ed2cac s3/vfs: add vfs_at_fspcwd()
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2020-05-21 20:38:31 +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
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
Stefan Metzmacher
6fa753a1a6 smbd: add vfs_valid_{pread,pwrite}_range() checks where needed
I checked all callers of SMB_VFS_PWRITE[_SEND](),
all callers of SMB_VFS_PREAD[_SEND]() and also
places where we append to the file and allocate
more space.

BUG: https://bugzilla.samba.org/show_bug.cgi?id=14361

Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2020-05-12 19:53:44 +00:00
Stefan Metzmacher
70fa4b884d s3:smbd: add vfs_valid_{pread,pwrite}_range() helper functions
These implement the SMB2 visible behavior of the [MS-FSA]
2.1.5.2 Server Requests a Read and 2.1.5.3 Server Requests a Write
constraints. Note that offset < 0 is not allowed over SMB.

BUG: https://bugzilla.samba.org/show_bug.cgi?id=14361

Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2020-05-12 19:53:44 +00:00
Jeremy Allison
c6e71fbd68 s3: VFS: Complete the replacement of SMB_VFS_GET_NT_ACL() -> SMB_VFS_GET_NT_ACL_AT().
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
2020-05-07 21:04:59 +00:00
Jeremy Allison
773b6e1740 s3: VFS: Add SMB_VFS_GET_NT_ACL_AT().
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>
2020-05-07 19:27:34 +00:00
Ralph Boehme
31b5a369f7 smbd: set twrp in vfs_stat_smb_basename()
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
26ca22fa14 smbd: vfs: convert link_contents arg of SMB_VFS_SYMLINKAT() to struct smb_filename
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2020-05-05 19:18:41 +00:00
Ralph Boehme
f9c6706080 smbd: convert SMB_VFS_GET_REAL_FILENAME() arg path to be a struct smb_filename
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2020-05-05 19:18:41 +00:00
Ralph Boehme
9b78da9e32 smbd: realign smb_vfs_call_get_real_filename() args
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
8bf629a0f3 smbd: realign synthetic_smb_fname() args in vfs_GetWd()
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
3f15b66f87 smbd: realign synthetic_smb_fname() args in check_reduced_name_with_privilege()
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2020-05-05 19:18:38 +00:00
Ralph Boehme
aa0ec8a209 smbd: use parent_smb_fname() in check_reduced_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
8fdfbc8d5c smbd: use parent_smb_fname() in check_reduced_name_with_privilege()
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2020-04-29 16:39:40 +00:00
Jeremy Allison
8e1524945c s3: smbd: Reformatting - fix indentation in check_reduced_name().
Now we removed the lp_widelinks() clause we
left an extra {..} level of indirection. Just
reformat to remove it and update to modern
DBG_ macros. 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
47b7f3319e s3: VFS: Remove the lp_widelinks() check from check_reduced_name().
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
Jeremy Allison
886d2c09b8 s3: smbd: VFS: Add custom initialization for vfs_widelinks.
As the widelinks logic is now moving into a
vfs_widelinks module, we need to custom load
it after the default module is initialized.
That way no changes to smb.conf files are
needed.

We may revisit this for Samba 5.0 and force
people to change their smb.conf files and
explicitly load this as a vfs module if they
want the insecure widelinks behavior.

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
9edd7268b6 smbd: remove struct privilege_paths
The last user of this had been removed by
d485c43cc74c5550d151fe728ddc53b02ab23df8.

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): Tue Mar 31 19:32:12 UTC 2020 on sn-devel-184
2020-03-31 19:32:11 +00:00
Ralph Boehme
2a5d994b1a vfs: remove SMB_VFS_OPENDIR()
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): Tue Mar 24 21:23:43 UTC 2020 on sn-devel-184
2020-03-24 21:23:43 +00:00
Jeremy Allison
96bc3298fc s3: VFS: Add SMB_VFS_READ_DFS_PATHAT().
Not yet used.

Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
2020-02-18 21:08:33 +00:00
Jeremy Allison
b0b9dd2f86 s3: VFS: Add SMB_VFS_CREATE_DFS_PATHAT().
Not yet used.

Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
2020-01-10 19:38:42 +00:00
Ralph Boehme
6e58cfab98 s3: add init_smb_file_time()
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
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
Jeremy Allison
b01169ff32 s3: VFS: Complete the removal of SMB_VFS_CHOWN()
No longer used anywhere.

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

Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Tue Oct 15 20:07:51 UTC 2019 on sn-devel-184
2019-10-15 20:07:51 +00:00
Jeremy Allison
99bfdb6e81 s3: smbd: Remove vfs_chown_fsp().
No longer used. This gets rid of another case
where we were playing directory changing games
that are eliminated by just using a file handle.

Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Ralph Böhme <slow@samba.org>
2019-10-15 18:46:37 +00:00
Jeremy Allison
81fbba8f64 s3: VFS: Complete the removal of SMB_VFS_RMDIR()
All users now use SMB_VFS_UNLINKAT(..., AT_REMOVEDIR).

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): Thu Oct 10 07:26:43 UTC 2019 on sn-devel-184
2019-10-10 07:26:43 +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
Anoop C S
5084a69de1 s3: VFS: Add SMB_VFS_FCNTL
Signed-off-by: Anoop C S <anoopcs@redhat.com>
Reviewed-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2019-10-08 08:38:32 +00:00
Jeremy Allison
1ec030398b s3: VFS: Complete the replacement of SMB_VFS_UNLINK() -> SMB_VFS_UNLINKAT().
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): Thu Sep 26 18:40:53 UTC 2019 on sn-devel-184
2019-09-26 18:40:53 +00:00
Jeremy Allison
c58692cee9 s3: VFS: Add SMB_VFS_UNLINKAT().
Currently identical to SMB_VFS_UNLINK().

Next, add to all VFS modules that implement
unlink and eventually remove unlink.

Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
2019-09-26 17:20:44 +00:00
Ralph Boehme
1f4ec34447 smbd: rename change_to_user_by_fsp() to change_to_user_and_service_by_fsp()
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
2019-09-11 19:59:34 +00:00
Jeremy Allison
c7167e7a82 s3: VFS: Complete the replacement of SMB_VFS_MKDIR() -> SMB_VFS_MKDIRAT().
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): Wed Sep 11 19:44:44 UTC 2019 on sn-devel-184
2019-09-11 19:44:44 +00:00
Jeremy Allison
ca3bc78099 s3: VFS: Add SMB_VFS_MKDIRAT().
Currently identical to SMB_VFS_MKDIR().

Next, add to all VFS modules that implement
mkdir and eventually remove mkdir.

Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
2019-09-11 18:24:28 +00:00
Ralph Boehme
95655fe683 vfs: restore stat fields in vfs_stat_fsp()
This ensures we preserve btime, itime and File-ID.

As the Durable Handles code calls vfs_stat_fsp() in the DH disconnect function,
previously the btime was lost and NOT stored in the cookie. With this change the
cookie will store the correct btime (and iflags), which requires us to call
dos_mode() in the reconnect function to ensure we pass
vfs_default_durable_reconnect_check_stat().

BUG: https://bugzilla.samba.org/show_bug.cgi?id=14121

Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>

Autobuild-User(master): Ralph Böhme <slow@samba.org>
Autobuild-Date(master): Tue Sep 10 20:22:21 UTC 2019 on sn-devel-184
2019-09-10 20:22:21 +00:00
Ralph Boehme
e00e78cfed s3:vfs: streamline vfs_stat_fsp()
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14121

Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
2019-09-10 19:05:30 +00:00
Jeremy Allison
c5ea3d045a s3: VFS: Complete the replacement of SMB_VFS_SYMLINK() -> SMB_VFS_SYMLINKAT().
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Ralph Böhme <slow@samba.org>

Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Tue Sep  3 22:32:30 UTC 2019 on sn-devel-184
2019-09-03 22:32:30 +00:00
Jeremy Allison
42414b5bfc s3: VFS: Add SMB_VFS_SYMLINKAT().
Currently identical to SMB_VFS_SYMLINK().

Next, add to all VFS modules that implement
symlink and eventually remove symlink.

Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Ralph Böhme <slow@samba.org>
2019-09-03 21:15:42 +00:00