Re: [Plug] expect problem -- set uid

[tburba@GLCORPIS01.usvision.com]

Can't believe I'm responding to my own message...but, are they talking
MERELY about the uid atached to the file (meaning the owner?) that shows
when you do the ls command?




tburba@glcorpis01.usvision.com on 10/04/99 09:05:54 AM

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Subject:  Re: [Plug] expect problem -- set uid








>>system administrator had decided to remove setuid from all programs<<
Forgive my ignorance, I see "setuid root" quite often and don't fully
understand what it means, the ramifications, and how to do/undo it. Can
anyone help paraphrase the man pages and explain it? TIA.



lopp@earthlink.net on 10/03/99 07:05:02 PM
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Subject:  [Plug] expect problem



There was a discussion of expect here a few weeks ago.  I finally get
around to trying it out and I can't get past one simple problem :  it
always fails on the 'spawn' command.
Whether executing as myself or as root, it invariably says :
spawn ftp
The system has no more ptys.  Ask your system administrator to create
more.
    while executing
"spawn ftp"
The Expcet FAQ (http://expect.nist.gov/FAQ.html) offers very little help
:
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
58.Why does Expect work as root, but say "out of ptys" when run as
myself?
      Expect works fine as root, but when I run it as myself it says
"out of ptys" (which I know isn't true).  Any ideas?
      Sounds like a misconfiguration problem on your system. For
example, once I saw this on a
      Digital system where the system administrator had decided to
remove setuid from all programs
      ("I heard that setuid is a security risk, right?"). On that
particular system, Expect uses a system
      library function that internally calls an external program chgpt
which exists solely for the
      purpose of managing ptys. Needless to say, it must be setuid.
Unfortunately, the library function
      doesn't do enough error checking, and there's no way for Expect to
know that, so there's
      nothing I can do to give a better diagnostic explaining how your
system is misconfigured.
<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
It also has some stuff about configuring the devpts fs, but that was no
help.  My concern is instead with the '' program instead....not only do
I not have a copy of it, I've never heard of it.  I've done a number of
web searches for the string "", but the only results are mirrors of the
Expect FAQ, or in .de or .fi
Any ideas?
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