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raw.samba3rootdirfid tests with the share root directory as root_dir_fid handle,
that doesn't cover the case where the relative name has more then one path
component. It only works because in unix_convert() we run into the creating file
optimasation.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14380
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Signed-off-by: awalker <awalker@ixsystems.com>
Reviewed-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
Autobuild-User(master): Andreas Schneider <asn@cryptomilk.org>
Autobuild-Date(master): Wed May 13 17:34:43 UTC 2020 on sn-devel-184
On bad name conversion, exit the directory listing with an error, but leave the
connection intact. We were already checking for finfo->name == NULL here,
but were ignoring it and not reporting an error.
Remove the knownfail.d/bad_iconv file as we now
behave the same across CORE/NT1/SMB2.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14374
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Tue May 12 21:32:44 UTC 2020 on sn-devel-184
SMB2 and NT1 fail this, CORE already returns NT_STATUS_INVALID_NETWORK_RESPONSE
on bad conversion.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14374
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
Creates a utf8 valid filename within that is invalid in CP850.
Useful to test smbclient list directory character set conversions.
https://bugzilla.samba.org/show_bug.cgi?id=14374
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
We need to be prepared for short writes from the kernel depending on
the state of the page cache.
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>
We need to be prepared for short reads from the kernel depending on
the state of the page cache. Windows and Mac clients don't
expect short reads for files, so we need to retry ourself.
For the future we may be able to play with some io_uring flags
in order to avoid the retries in userspace, but for now we just fix
the data corruption bug...
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>
We should never get more acked than we asked for.
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>
We should never get back more than we asked for.
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>
This can be reused when we add handling for short writes.
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>
This can be reused when we add handling for short reads.
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>
Instead we remember if recursion was triggered and jump to
the start of the function again from the end.
This should make it safe to be called from the completion_fn().
This is hideously complex stuff, so document the hell
out of it.
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>
This makes the follow up commits easier as we don't have to care
about overflows.
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>
This makes the follow up commits easier as we don't have to care
about overflows.
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>
We should do that as early as possible and that's in
vfs_io_uring_fsync_completion().
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>
We should do that as early as possible and that's in
vfs_io_uring_pwrite_completion().
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>
We should do that as early as possible and that's in
vfs_io_uring_pread_completion().
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>
We'll need to add more logic than a simple _tevent_req_done()
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>
We don't need a direct pointer to the state...
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>
Note that as sys_pwrite_full() deals with the EINTR case
we can remove the do {} while loop here.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14361
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Note that as sys_pread_full() deals with the EINTR case
we can remove the do {} while loop here.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14361
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
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>
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>
They should never touch the SMB_VFS layer
and they never trigger an DISK_FULL error.
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>
Writes with a length of 0 are allowed.
The readfile related check we had before was not really useful
as min_dyn_len can only every be 0 or 1 (and for SMB2_OP_WRITE it's
always 1). So we checked
if (unread_bytes > 0) {
if (unread_bytes < 1) {
return error;
}
}
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>
A pwrite wrapper that will deal with EINTR and never return a short
write unless the file system returns an error. Copes with the
unspecified edge condition of pwrite returning zero by changing
the return to -1, errno = ENOSPC.
Thread-safe so may be used as a replacement for pwrite
inside pwrite_do() thread functions.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14361
Pair-Programmed-With: Stefan Metzmacher <metze@samba.org>
Signed-off-by: Jeremy Allison <jra@samba.org>
Signed-off-by: Stefan Metzmacher <metze@samba.org>
A pread wrapper that will deal with EINTR and never return a short
read unless pread returns zero meaning EOF.
Thread-safe so may be used as a replacement for pread
inside pread_do() thread functions.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14361
Pair-Programmed-With: Stefan Metzmacher <metze@samba.org>
Signed-off-by: Jeremy Allison <jra@samba.org>
Signed-off-by: Stefan Metzmacher <metze@samba.org>
This implements the contraints of
[MS-FSA] 2.1.5.2 Server Requests a Read.
The special handling of [MS-FSA] 2.1.5.3 Server Requests a Write
with offset < 0, should be handled by higher layers!
Which means the check can also be used for writes.
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>
[MS-FSA] 2.1.5.2 Server Requests a Read and
2.1.5.3 Server Requests a Write define some contraints.
These tests demonstrate that ((int64_t)offset) < 0) is
not allowed for both reads and writes for SMB.
Also the special case for writes at offset -2 is not possible
nor the append mode with offset < 0.
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>
This is needed to prime the logic in share_mode_flags_restrict() for the
following scenario:
* (First) CREATE on a file with FILE_SHARE_NONE and
access_mask=FILE_READ_ATTRIBUTES (a stat-open).
* share_mode_flags_restrict() gets called with
share_mode_flags_restrict(flags=0,
access_mask=0x80,
share_mode=0,
lease_type=UINT32_MAX)
and returns a value where none of the FILE_SHARE_* flags is set.
As a result share_mode_data.flags doesn't reflect the share-modes in effect.
This doesn't change any current visible behaviour outside of open_mode_check(),
but it avoids calling share_mode_forall_entries() in open_mode_check_fn().
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>
Autobuild-User(master): Ralph Böhme <slow@samba.org>
Autobuild-Date(master): Tue May 12 19:52:48 UTC 2020 on sn-devel-184
... 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>
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>
Lists the two existing subtests indidivually in preparation of adding a third
that is going to pass against ad_dc_ntvfs.
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>
systemd parser splits arguments at whitespaces respecting quotes
when necessary.
Signed-off-by: Marcos Mello <marcosfrm@gmail.com>
Reviewed-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Alexander Bokovoy <ab@samba.org>
Autobuild-User(master): Andreas Schneider <asn@cryptomilk.org>
Autobuild-Date(master): Tue May 12 12:27:11 UTC 2020 on sn-devel-184
The implicit NotifyAccess=main is enough since Samba daemons do not
fork()/exit() anymore under systemd.
Signed-off-by: Marcos Mello <marcosfrm@gmail.com>
Reviewed-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Alexander Bokovoy <ab@samba.org>
Limit the number of nested conditionals allowed by ldb_parse tree to
128, to avoid potential stack overflow issues.
Credit Oss-Fuzz
REF: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=19508
Signed-off-by: Gary Lockyer <gary@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Autobuild-User(master): Gary Lockyer <gary@samba.org>
Autobuild-Date(master): Sun May 10 23:21:08 UTC 2020 on sn-devel-184
If the ASN.1 depth is zero in asn1_end_tag, call smb_panic. Rather than
ignoring the condition.
Signed-off-by: Gary Lockyer <gary@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
