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Bug: https://bugzilla.samba.org/show_bug.cgi?id=14400
Signed-off-by: Björn Baumbach <bb@sernet.de>
Reviewed-by: Ralph Boehme <slow@samba.org>
Autobuild-User(master): Ralph Böhme <slow@samba.org>
Autobuild-Date(master): Fri Jun 5 11:54:06 UTC 2020 on sn-devel-184
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>
conn->session_info is always valid since
1fa05e5c76 and preceeding commits.
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): Sat May 30 02:40:22 UTC 2020 on sn-devel-184
conn->origpath is always a duplicate of conn->connectpath.
The only function that sets conn->connectpath is set_conn_connectpath() and
everywhere it's called, there's a subsequent talloc_strdup() into
conn->origpath.
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Here we called become_user_without_service() just in order to be able to fetch
the nt_token and unix_token subsequently via get_current_[nt|u]tok(conn). The
same can be achieved by fetching the session_info with
smbXsrv_session_info_lookup().
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Here we called become_user_without_service() just in order to be able to fetch
the nt_token and unix_token subsequently via
get_current_[nt|u]tok(conn). The same can be achieved by fetching the
session_info with smbXsrv_session_info_lookup().
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
The TALLOC_FREEs should have been removed as part of
45a560bce3. Sorry!
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 May 29 20:02:55 UTC 2020 on sn-devel-184
Bug: https://bugzilla.samba.org/show_bug.cgi?id=14367
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Autobuild-User(master): Stefan Metzmacher <metze@samba.org>
Autobuild-Date(master): Fri May 29 09:55:10 UTC 2020 on sn-devel-184
This ensure cookie.base_name is set to the full path to deal with fsp->fsp_name
being an atname in the future.
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 21 22:01:25 UTC 2020 on sn-devel-184
This leaves basically two callers of fd_open():
* open_internal_dirfsp_at()
* smbd_smb2_query_directory_send()
Those will be the only codepaths that use full paths relative to the share root
and so require and use the symlink race protection provided by
non_widelink_open().
Of course, until we actuall start passing real dirfsps to fd_openat(),
fd_openat() internally calls fd_open().
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Until we actually start passing real dirfsps to fd_openat(), fd_openat()
internally calls fd_open().
Signed-off-by: Ralph Boehme <slow@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): Thu May 21 06:43:04 UTC 2020 on sn-devel-184
There's a bunch of stuff that needs updating to work with atnames.
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Not really used for now and marked with
SMB_ASSERT(dirfsp == conn->cwd_fsp)
because it needs to be updated later to work with real dirfsp.
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
As the calls to
* SMB_VFS_LSTAT()
* get_share_mode_lock()
and maybe others still have to be updated to work with atnames, we
assert (dirfsp == conn->cwd_fsp).
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
As the calls to
* lease_match()
* open_streams_for_delete()
* check_base_file_access
* SMB_VFS_STAT
and others needs to be updated to work with atnames in the
future, we assert (dirfsp == conn->cwd_fsp).
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
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>
This denotes pure VFS layer dirfsps that are used in *AT varients of VFS
interface functions and which bypass the FSA layer, requiring special handling
in codepaths closing/freeing the fsp.
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
The original idea of doing the fstat in create_internal_dirfsp() was to return
from the function with a valid file_id and that requires valid stat info.
However, as dirfsp->fh->fd will still be -1 at this point vfs_stat_fsp() will
fallback to path-based stat() which must be avoided.
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Having removed the unused dirfsp parameter this is not an AT function.
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Having removed the unused dirfsp parameter this is not an AT function. Security
is provided by symlink safe fd_open().
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
These are the functions that *create* dirfsps, they can't *take* dirfsps as that
would be recursive...
Both functions just take a pathname and the internal opening of the underlying
fd is secured from symlink races by our chdir("p/a/t/h") ; open(".", O_RDONLY);
logic in non_widelink_open().
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
No change in behaviour. This just simplifies fd_open() a bit which will make it
easier to add an fd_openat() later.
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Add a large comment inside process_symlink_open() explaining why we need to call
SMB_VFS_READLINKAT().
As we don't make use of the returned name and just rely on SMB_VFS_REALPATH()
doing its job, remove target_fname
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Leaving p_cont_wcard unchanges as updating that would break the nice
indentation... :)
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
