[Bug 14454] New: cannot get symlink file attributes and target with cifsacl mount option

[samba-bugs@samba.org]

https://bugzilla.samba.org/show_bug.cgi?id=14454

            Bug ID: 14454
           Summary: cannot get symlink file attributes and target with
                    cifsacl mount option
           Product: CifsVFS
           Version: 3.x
          Hardware: All
                OS: All
            Status: NEW
          Severity: normal
          Priority: P5
         Component: kernel fs
          Assignee: sfrench@samba.org
          Reporter: aaptel@samba.org
        QA Contact: cifs-qa@samba.org
  Target Milestone: ---

On a Windows Server 2019 share with symlinks:

    C:\shares\data> dir
    ...
    12/16/2019  08:04 AM    <SYMLINKD>     DIR [sub\dir]
    12/16/2019  08:04 AM    <SYMLINK>      foolink.txt [sub\dir\foo.txt]
    ...

Mounting without cifsacl kind of works (still missing mode bits):

    # mount //nuc.test/data /mnt -o username=user1,password=user1,vers=3.0
    # ls -la /mnt
    total 3148410
    ...
    l---------  1 root root          0 Dec 16  2019 DIR -> sub/dir
    l---------  1 root root          0 Dec 16  2019 foolink.txt ->
sub/dir/foo.txt

Mounting with cifsacl (with working idmap):

    # mount //nuc.test/data /mnt -o
username=user1,password=user1,vers=3.0,cifsacl
    # ls -la /mnt
    ls: cannot access '/mnt/DIR': Operation not supported
    ls: cannot access '/mnt/foolink.txt': Operation not supported
    ...
    d?????????  ? ?         ?                         ?            ? DIR
    -?????????  ? ?         ?                         ?            ?
foolink.txt

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