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The state cannot be used as a context, so a NULL context tmp_ctx must be created.
Signed-off-by: Jule Anger <janger@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
It is not possible to have an EXCLUSIVE+BATCH oplock, because a BATCH
oplock includes an EXCLUSIVE oplock. Therefore, an EXCLUSIVE+BATCH-Oplock
and a BATCH-Oplock are the same thing.
Signed-off-by: Jule Anger <janger@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
Checking for presence of both netgroup and innetgr. INNETGR is not
defined on libc's such as musl so not checking results in a build error.
Signed-off-by: listout <brahmajit.xyz@gmail.com>
Reviewed-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Autobuild-User(master): Volker Lendecke <vl@samba.org>
Autobuild-Date(master): Mon Aug 8 07:28:31 UTC 2022 on sn-devel-184
Define NETDB_SUCCESS and NETDB_INTERNAL if they are not defined. On
libc's such as musl NETDB_INTERNAL and NETDB_SUCCESS are not defined.
Signed-off-by: listout <brahmajit.xyz@gmail.com>
Reviewed-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
This prepares the later introduction of VFS_OPEN_HOW_RESOLVE_NO_SYMLINKS,
which will be used to make use of RESOLVE_NO_SYMLINKS on linux with openat2().
Right now all terminal VFS objects reject any resolve bits with ENOSYS.
So we only prepare the vfs layer for now without any real change.
But this will make backports to 4.17 much easier.
Pair-programmed-with: Stefan Metzmacher <metze@samba.org>
Signed-off-by: Volker Lendecke <vl@samba.org>
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Sat Aug 6 02:39:11 UTC 2022 on sn-devel-184
process_symlink_open goes with it
Pair-programmed-with: Stefan Metzmacher <metze@samba.org>
Signed-off-by: Volker Lendecke <vl@samba.org>
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
The Linux prototype for openat2 looks like this:
long openat2(int dirfd, const char *pathname,
struct open_how *how, size_t size);
where "struct open_how" is defined in "linux/openat2.h". It is
designed to be extensible with further flags.
The "size" parameter is required because there is no type checking
between userland and kernelspace, so the way for Linux to find which
version of open_how is being passed in is looking at the size:
"open_how" is expected to only every grow with additional fields,
should a change be necessary in the future.
Samba does not have this problem, we can typecheck the struct and
pointers, we expect all VFS modules to be compiled against the current
vfs.h.
For now this adds no functionality, but it will make further patches
much smaller.
Pair-programmed-with: Stefan Metzmacher <metze@samba.org>
Signed-off-by: Volker Lendecke <vl@samba.org>
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
'fetch' and 'backup' might also leave files in /tmp, but in those cases
we want the files.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15006
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: David Mulder <dmulder@suse.com>
Autobuild-User(master): Douglas Bagnall <dbagnall@samba.org>
Autobuild-Date(master): Sat Aug 6 01:42:09 UTC 2022 on sn-devel-184
This is needed by samba-tool testparm, in the next commit.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15070
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: David Mulder <dmulder@suse.com>
This was added due to the error code check in test_symlink_traversal_smb1_posix.sh.
After careful consideration I've realized the error code expected here
is incorrect, and not providing any security benefit.
We already check that trying to fetch a file/traverse through a
symlink that points outside of a share returns NT_STATUS_OBJECT_PATH_NOT_FOUND,
and this is enforced in the symlink checks already inside filename_convert_dirfsp().
If a symlink points to a directory within the share for which
the user has no permissions (as is tested here), then there's no
benefit in mapping the error code from NT_STATUS_ACCESS_DENIED
to NT_STATUS_OBJECT_PATH_NOT_FOUND, as we are not providing any
extra information about the filesystem state the user cannot already
obtain by normal SMB1+POSIX calls.
Change the error code expected in this single test from NT_STATUS_OBJECT_PATH_NOT_FOUND
to NT_STATUS_ACCESS_DENIED.
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): Fri Aug 5 10:24:23 UTC 2022 on sn-devel-184
Now we always call check_path_syntaxXXX(), even on DFS names
we no longer need this. It was a BAD change, and I should feel BAD :-).
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Volker Lendecke <vl@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>
This is copy&paste from reply_negprot() where this variable was used
to set the remote architecture. This isn't used anymore in the
stripped down smb2 version of this.
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 Aug 4 21:46:23 UTC 2022 on sn-devel-184
Further up we add O_PATH manually. Initial development versions of
this code did set the is_pathref, but then I found this potential
problem. I forgot to remove this incarnation of is_pathref=true, doing
it now.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
There is now only one user left of unix_convert(), inside
the MSDFS code. I have plans to get rid of this soon.
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Thu Aug 4 18:10:43 UTC 2022 on sn-devel-184
Not yet used, but (dirfsp=NULL) value passed to functions
called after driver_unix_convert().
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Preparation for convertion of the last filename_convert() -> filename_convert_dirfsp().
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
This will allow us to remove the call to dfs_redirect() from get_original_lcomp().
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Now we know all @GMT paths are removed before get_original_lcomp()
is called, we can eliminate this code.
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
This was the last case where the snapshot TWRP token could be
passed into get_original_lcomp(). get_original_lcomp() can now
be changed to ignore TWRP tokens.
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
We're going to need to convert in place if it's an MSDFS path
with an SMB1 @GMT token.
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
We're soon going to change this to return dirfsp and use convert_filename_dirfsp()
so we need to return values on the passed in talloc ctx.
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
"raw" MSDFS paths are passed here as \server\share\path.
find_snapshot_token() only looks for a '/' as a separator
in SMB1 shapshot paths.
Allow extract_snapshot_token() to cope with SMB1 MSDFS paths by
converting in place, looking for the @GMT token with a '/'
separator via find_snapshot_token(), and then converting back.
Note, this a temporary measure until we handle DFS paths better
and will be removed in the next patchset.
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Reviewed-by: Volker Lendecke <vl@samba.org>
Will be needed to cope with MSDFS paths which can be passed in
to this function.
Note, this a temporary measure until we handle DFS paths better
and will be removed in the next patchset.
Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Reviewed-by: Volker Lendecke <vl@samba.org>
