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A NetApp Ontap 7.3.7 SMB server add 8 padding bytes to an
offset that's already 8 byte aligned.
RN: Work around special SMB2 IOCTL response behavior of NetApp Ontap 7.3.7
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14607
Pair-Programmed-With: Volker Lendecke <vl@samba.org>
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Signed-off-by: Volker Lendecke <vl@samba.org>
Autobuild-User(master): Volker Lendecke <vl@samba.org>
Autobuild-Date(master): Fri Jan 15 08:36:34 UTC 2021 on sn-devel-184
FSCTL_SMBTORTURE_IOCTL_RESPONSE_BODY_PADDING8 will be used
to trigger an SMB2 IOCTL response with extra padding.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14607
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
This can be returned from NetApp Ontap 7.3.7 SMB server
implementations. Now we have ensured smb2_signing_check_pdu()
cannot return NT_STATUS_INVALID_PARAMETER on a signing error
it's safe to check this error code here. Windows 10
clients ignore this error from the NetApp.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14607
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
If we end up here, it's definitely a programming error in the basic
parsing layer of the SMB2 packet.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14607
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Volker Lendecke <vl@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 Jan 14 19:00:05 UTC 2021 on sn-devel-184
This ensures smb_fname_base knows if it's a file or directory.
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
All callers already stat the path, just add a check that asserts this.
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
This allows removing allow_undefined_symbols=True.
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): Thu Jan 14 16:05:10 UTC 2021 on sn-devel-184
These are all just stream sockets, being taken care of by
dcesrv_setup_ncacn_listener()
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Samuel Cabrero <scabrero@samba.org>
Autobuild-User(master): Volker Lendecke <vl@samba.org>
Autobuild-Date(master): Thu Jan 14 14:35:58 UTC 2021 on sn-devel-184
This is supposed to replace the protocol-specific dcerpc_setup_*
functions. They are all very similar except the way to create the
socket file descriptor. By handing out the anonymous structure
"listen_state" for an error path the listener tevent_fd structs can be
cancelled individually or handed over to other talloc parents.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Samuel Cabrero <scabrero@samba.org>
All ncacn_ip_tcp listener sockets are created via
dcesrv_create_ncacn_ip_tcp_socket(). Moving setting the socket options
out of dcesrv_setup_ncacn_ip_tcp_socket() to remove a special case for
TCP from the dcesrv_setup_* family of routines.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Samuel Cabrero <scabrero@samba.org>
dcerpc_ncacn_accept() talloc_move's the addresses away from the
caller's talloc hierarchy. Don't leave pointers around in the caller.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Samuel Cabrero <scabrero@samba.org>
Best viewed with "git show -b". Use the typical pattern of an early
error return.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Samuel Cabrero <scabrero@samba.org>
This is a false positive (in is length 3 initialized to 0), but this
patch does not hurt
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Samuel Cabrero <scabrero@samba.org>
We can just call close_file(req, fsp, ERROR_CLOSE), as it handles
non-fsa fsp's and base_fsp's just fine.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
Autobuild-User(master): Stefan Metzmacher <metze@samba.org>
Autobuild-Date(master): Thu Jan 14 12:40:56 UTC 2021 on sn-devel-184
Such an fsp was typically created via create_internal_fsp() and
opened via fd_openat() without going through SMB_VFS_CREATE_FILE(),
so they should be closed via fd_close().
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
Before we had open_pathref_fsp() we had the stream fsp before the base
fsp in the linked list we traverse for SHUTDOWN_CLOSE.
Now the order has changed. I could have used some DLIST_PROMOTE()
hacks, but that's still fragile.
Now we reference both fsp's via ->base_fsp and ->stream_fsp.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
This allows us to add some more logic for bi-directional linking between
base and stream fsp in the next commits.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
This has already been set a few lines above. The duplicate was the result of
restructuring create_file_unixpath() a few months ago, allocating fsp in
create_file_unixpath() instead of in the callees open_file_ntcreate() or
open_directory() respectively.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
That will be useful in other places as well.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
We should always go through file_free(), which calls fsp_free() at the end.
Most things in file_free() may not apply to all
vfs_default_durable_reconnect() cases, but we want fsp_free() to become
static to files.c
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
The pathref fsp link destructor will set smb_dname->fsp to NULL. Turning this
into an assert to give a hint at readers of the code trying to understand the
mechanics.
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
This makes sure we call vfs_remove_all_fsp_extensions() before
fsp_free() is called from within file_free(). And allows us to
make 'fsp_free()' static in the next commits.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
In future we may move the reopen logic to the VFS,
but for now we just keep it in one place.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
Both callers pass in a helper variable that points to
fsp->fsp_name and it was only used for a debug message,
so we can simply use fsp_str_dgb() instead.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
Calling fd_open_atomic() without O_CREAT is the same as calling
fd_openat() directly, so we can also use it to open an existing
directory.
In the next step we'll move the reopen_from_procfd() fallback logic to
a single helper function.
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
