[OpenAFS] OpenAFS client 1.7.201 and later triggers printing of smiley faces on all printers shared via Samba

Mon, 20 Feb 2012 09:53:52 -0500

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    The log indicates a bug in Samba or the printer.<br>
    <br>
    The explorer shell extension is asking to open an existing file.=C2=A0=
 It
    is explicitly asking that the file not be created if it doesn't
    exist and yet Samba indicates that the file does exist and has been
    opened.<br>
    <br>
    Explorer.EXE=C2=A0=C2=A0=C2=A0 2544=C2=A0=C2=A0=C2=A0 CreateFile=C2=A0=
=C2=A0=C2=A0
    \\130.225.51.90\pr-c1-103-bw\_._AFS_IOCTL_._=C2=A0=C2=A0=C2=A0 SUCCES=
S=C2=A0=C2=A0=C2=A0 <br>
    Desired Access: Read Data/List Directory, Write Data/Add File, Read
    Attributes, Synchronize, <br>
    Disposition: Open, <br>
    Options: Write Through, Synchronous IO Non-Alert, Non-Directory
    File, <br>
    Attributes: n/a, <br>
    ShareMode: Read, <br>
    AllocationSize: n/a, <br>
    OpenResult: Opened<br>
    <br>
    The AFS Pioctl request is then written to the open file and when it
    attempts to read the result it is told that reading is an
    INVALID_DEVICE_REQUEST.<br>
    <br>
    A printer that permits writing files to the printer for the purpose
    of printing, faxing, etc. must only open a non-existing file if the
    CreateFile disposition is Create, Create_Always or Open_Always.<br>
    <br>
    I cannot tell for sure from this trace but I'm going to guess that
    the reason this behavior started with 1.7.2 is the addition of Icon
    Overlays for AFS mount points and symlinks.=C2=A0 The explorer shell
    extension issues an AFS pioctl to test whether the device is in AFS
    or not.<br>
    <br>
    Jeffrey Altman<br>
    <br>
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