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Robert Morris <rtm@lcs.mit.edu> noticed that in the case
where srvstr_pull_req_talloc() is being called with
buffer remaining == 0, we don't NULL out the destination
pointed which is *always* done in the codepaths inside
pull_string_talloc(). This prevents a crash in the caller.
Remove knownfail.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15420
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Remove knownfail.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15419
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 Jul 27 10:52:50 UTC 2023 on atb-devel-224
Looks larger than it is, "git clang-format" added a few lines
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): Ralph Böhme <slow@samba.org>
Autobuild-Date(master): Fri Mar 31 21:21:57 UTC 2023 on atb-devel-224
Not yet used. Simple wrapper, identical to check_path_syntax_posix().
I want to keep SMB1/SMB2 code as separate as possible so
we can remove any SMB1 code path later.
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
Keep it, rather and move all SMB2 code to check_path_syntax()
as I want to keep SMB1/SMB2 code as separate as possible so
we can remove any SMB1 code path later.
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
check_path_syntax_smb2() is now a simple wrapper around check_path_syntax().
Leave it alone for now to keep things separate when we add SMB3+POSIX parsing.
check_path_syntax_smb2_msdfs() is now no longer used.
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
Removes any DFS prefix from an SMB2 name. This will
enable me to clean up the mess around SMB2 DFS path
processing, remove some knownfails and eventually
make it much easier to add SMB3+POSIX path processing
now it can ignore DFS prefixes. Original idea from
Volker.
Not yet used.
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
As these functions can implicitly call reply_nterror(..., NT_STATUS_INVALID_HANDLE)
they should never be available to SMB2 code paths.
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Autobuild-User(master): Volker Lendecke <vl@samba.org>
Autobuild-Date(master): Wed Jan 11 08:17:04 UTC 2023 on sn-devel-184
check_fsp_ntquota_handle() is called from SMB2 codepaths as
well as from SMB1. Even in the SMB1 cases the callers of
check_fsp_ntquota_handle() handle sendng the error packet when
check_fsp_ntquota_handle returns false so on a 'return false'
we'd end up sending an error packet twice.
The SMB2 callers of check_fsp_ntquota_handle()
already check that fsp is valid, so there's
no danger of us sending an SMB1 error packet
over the SMB2 stream (so I'm not classing
this as a bug to be back-ported).
Fix check_fsp_ntquota_handle() by inlineing
the check_fsp_open() functionality without
the reply_nterror() calls.
This will allow the next commit to move check_fsp_open()
with the implicit reply_nterror() and also check_fsp()
(which calls check_fsp_open()) into the SMB1 smb1_reply.c
file as SMB1-only code.
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
share_mode_do_locked() will be make static soon.
Here we just want to avoid concurrent access to brlock.tdb
in order to maintain the lock order, we're not interested in the
locking.tdb content at all, expect that there's at least one
entry and we want to wake potential watchers.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15125
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Not yet used, but uses check_path_syntax_smb2_msdfs()
so remove the #ifdef's around that.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15144
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
#ifdef'ed out as static and not yet used.
We can't just call check_path_syntax() on these as
they are of the form hostname\share[\extrapath]
(where [\extrapath] is optional).
hostname here can be an IPv6 ':' separated address,
which check_path_syntax() fails on due to the streamname
processing.
NB. This also has to cope with out existing (broken)
libsmbclient libraries that sometimes set the DFS
flag and then send a local pathname. Cope by just
calling the normal check_path_syntax() on the
whole pathname in that case.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15144
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
The Linux kernel SMB1 client has a bug - it sends
DFS pathnames as:
\\server\share\path
instead of:
\server\share\path
Causing us to mis-parse server,share,remaining_path here
and jump into 'goto local_path' at 'share\path' instead
of 'path'.
This doesn't cause an error as the limits on share names
are similar to those on pathnames.
parse_dfs_path() which we call before filename parsing
copes with this by calling trim_char on the leading '\'
characters before processing.
Do the same here so logging of pathnames looks better.
How did I find this ? Lots and lots of manual
testing with the Linux kernel client to make
sure all the recent changes haven't broken Linux
SMB1/2/3 DFS :-).
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15144
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
The original design decision to just copy a DFS path and let
parse_dfs_path() take care of it was a horrible mistake.
Fix srvstr_get_path_internal() to always return a
/server/share/path (i.e. a path separated with '/', not '\').
This is a more complex change than I like to allow
DFS path procesing in srvstr_get_path_internal() but
needed as clients (including Samba smbclient) have a
rather "fuzzy" idea of what constitutes a valid DFS path.
If we detect the DFS path isn't valid here we have to
fall back to treating it as a local path.
I also need to modify the DFS parsing in
filename_convert_smb1_search_path() to cope with only '/'
separators.
This also means parse_dfs_path() needs changing to
cope.
The changes here are best reviewed by just applying
the fix and looking at the modified functions:
srvstr_get_path_internal()
parse_dfs_path()
For parse_dfs_path() it's mostly removing bad code
and makes parse_dfs_path() much easier to read.
These changes will enable me to remove some ugly mistakes made
adding ucf_flags to extract_snapshot_token(), as
we can now always assume canonicalized paths.
This is a little messy, but has to be done in
one chunk as the change to srvstr_get_path_internal()
depends on the change to parse_dfs_path().
Thanks to Volker for the insight that made this
cleanup possible.
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Not yet used, but when this is fully plumbed though we can
look at optimizing and removing the code inside rename_internals_fsp()
that currently gets it's own dst_dirfsp.
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Fixes the raw.write.bad-write test.
NB. We need the two (==0) changes in source3/smbd/smb2_reply.c
as the gcc optimizer now knows that the return from
smbreq_bufrem() can never be less than zero.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15085
Remove knownfail.
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: David Disseldorp <ddiss@samba.org>
Autobuild-User(master): Jule Anger <janger@samba.org>
Autobuild-Date(master): Wed Jul 27 11:46:46 UTC 2022 on sn-devel-184
Pass in new_create_disposition directly. We can also remove the
if-case (ofun & OPENX_FILE_EXISTS_OPEN) in copy_file, the two callers
don't use it.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
The only two callers did not use "count" and "target_is_directory".
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
This reverts commit 322574834f.
Not strictly a revert anymore, but for future work we do need "dirfsp"
in create_file_default() passed through the VFS.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
Replace them with direct calls to smb1_srv_send
and smb2_srv_send.
Signed-off-by: David Mulder <dmulder@suse.com>
Signed-off-by: Jeremy Allison <jra@samba.org>
