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Problem Report 0436 Details

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This page provides all information on Problem Report 0436.

Report 0436 Actions

    Problem Report Number 0436
    Submitter's Classification Specification problem
    State Resolved
    Resolution Rejected (REJ)
    Problem Resolution ID REJ.X.0055
    Raised 1994-04-18 08:00
    Updated 2003-03-13 08:00
    Published null
    Product Standard Network File System
    Certification Program The Open Brand certification program
    Test Suite VSX4+XNFS version 4.3.3
    Test Identification XNFS.prtl/proto/mnt 2,3,4,5,6,10
    Problem Summary PG4R.055 Our implementation has chosen to use the concept of a privileged port when allowing mount requests. Basically, that means that any MNTPROC_MNT being received by the server must use a privileged port (...
    Problem Text
    Our implementation has chosen to use the concept of a privileged port
    when allowing mount requests. Basically, that means that any MNTPROC_MNT
    being received by the server must use a privileged port ( < 1024 ) or
    access will be denied. These ports can only be obtained by the superuser
    or a process owned by the superuser. Since the test suite is not being
    run with superuser authority, these tests fail on our implementation with
    MNT_EACCESS since they will not be able to obtain a privileged port.
    We do however, have an option on the server mount daemon that will allow
    it to accept MNTPROC_MNT commands from non-privileged ports but this must
    be chosen when the mount daemon is started.
    Test Output
    400|0 2 1 07:00:12|IC Start
    200|0 2 07:00:12|TP Start
    520|0 2 00009442 1 1|MNTPROC_MNT returned status = MNT_EACCESS (13) instead of MNT_OK (0)
    220|0 2 1 07:00:12|FAIL
    410|0 2 1 07:00:12|IC End

    Review Information

    Review Type TSMA Review
    Start Date null
    Completed null
    Status Complete
    Review Recommendation No Resolution Given
    Review Response
    The XNFS specification is silent as to the privileges required on the
    server side for the processing of a MNTPROC_MNT request. Other implementations
    make no privilege requirements in these circumstances and this seems to be
    an unnecessary restriction.

    The commentary states that the mount daemon can be initiated in a manner
    which allows it to accept MNTPROC_MNT commands from non-privileged ports.
    Doing this would remove the problem.

    This request should be forwarded to the appropriate interpretations group.
    At the moment, I do not believe that the request warrants the grant of a
    permanent interpretation.

    Review Type SA Review
    Start Date null
    Completed null
    Status Complete
    Review Resolution Rejected (REJ)
    Review Conclusion
    This request is refused.

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