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Re: parted is ALMOST suitable

From <tomas@tuxteam.de>
Newsgroups linux.debian.user
Subject Re: parted is ALMOST suitable
Date 2016-11-09 12:10 +0100
Message-ID <sByVr-6vX-9@gated-at.bofh.it> (permalink)
References (5 earlier) <sBlvb-5XM-1@gated-at.bofh.it> <sBwJX-4WR-1@gated-at.bofh.it> <sBy94-5YV-9@gated-at.bofh.it> <sByiK-62n-29@gated-at.bofh.it> <sByC6-69v-35@gated-at.bofh.it>
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On Wed, Nov 09, 2016 at 10:45:52AM +0000, Brian wrote:

[...]

> I hope cfdisk is an acceptable alternative to gparted, which is not on
> my system. 'fakeroot /sbin/cfdisk' gives "cfdisk: cannot open /dev/sda:
> Permission denied".

We are talking past each other, I think.

The above result is to be expected. I'm perfectly OK with that.
You'd get that wih or without fakeroot (it doesn't convey powers
to you you don't have. That feat would imply a gaping security
hole in Linux. There are some, but the most obvious have been
covered -- hopefully! long ago.

The point Stefan (and me) are trying to make is that *the application
has no business in checking user permissions*, and parted is doing
exactly that ("am I root?"). It's something to be left to the OS
(try to open the device and catch an EACCESS error; translate that
for the user. That's what cfdisk above *is* doing, and I'm fine
with that!

*If* you happen to have read/write access to a device/file [1], then
cfdisk would let you just go ahead (right behaviour), while gparted
would stop you ("nyah nyah you aren' root" -- *wrong*).

[1] Stefan and me have given examples where that would make sense.

- -- t
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Thread

parted is ALMOST suitable Richard Owlett <rowlett@cloud85.net> - 2016-11-07 13:20 +0100
  Re: parted is ALMOST suitable Felipe Salvador <felipe.salvador@gmail.com> - 2016-11-07 13:30 +0100
    Re: parted is ALMOST suitable Richard Owlett <rowlett@cloud85.net> - 2016-11-07 13:40 +0100
      Re: parted is ALMOST suitable <tomas@tuxteam.de> - 2016-11-07 14:00 +0100
        Re: parted is ALMOST suitable Richard Owlett <rowlett@cloud85.net> - 2016-11-07 14:20 +0100
          Re: parted is ALMOST suitable <tomas@tuxteam.de> - 2016-11-07 15:00 +0100
            Re: parted is ALMOST suitable Richard Owlett <rowlett@cloud85.net> - 2016-11-07 15:50 +0100
              Re: parted is ALMOST suitable <tomas@tuxteam.de> - 2016-11-07 16:10 +0100
              Re: parted is ALMOST suitable Lisi Reisz <lisi.reisz@gmail.com> - 2016-11-07 17:30 +0100
      Re: parted is ALMOST suitable Felipe Salvador <felipe.salvador@gmail.com> - 2016-11-07 15:30 +0100
        Re: parted is ALMOST suitable Joe Pfeiffer <pfeiffer@cs.nmsu.edu> - 2016-11-07 16:20 +0100
          Re: parted is ALMOST suitable Aldo Maggi <aldomaggi@katamail.com> - 2016-11-07 18:20 +0100
          Re: parted is ALMOST suitable Felipe Salvador <felipe.salvador@gmail.com> - 2016-11-07 19:00 +0100
          Re: parted is ALMOST suitable Joe Pfeiffer <pfeiffer@cs.nmsu.edu> - 2016-11-08 19:10 +0100
            Re: parted is ALMOST suitable Glenn English <ghe2001@gmail.com> - 2016-11-08 19:40 +0100
              Re: parted is ALMOST suitable Stefan Monnier <monnier@iro.umontreal.ca> - 2016-11-08 21:10 +0100
                Re: parted is ALMOST suitable Brian <ad44@cityscape.co.uk> - 2016-11-08 21:50 +0100
                Re: parted is ALMOST suitable Stefan Monnier <monnier@iro.umontreal.ca> - 2016-11-09 00:20 +0100
                Re: parted is ALMOST suitable Brian <ad44@cityscape.co.uk> - 2016-11-09 18:40 +0100
                Re: parted is ALMOST suitable <tomas@tuxteam.de> - 2016-11-09 21:40 +0100
                Re: parted is ALMOST suitable Brian <ad44@cityscape.co.uk> - 2016-11-09 21:50 +0100
                Re: parted is ALMOST suitable <tomas@tuxteam.de> - 2016-11-09 22:20 +0100
                Re: parted is ALMOST suitable <tomas@tuxteam.de> - 2016-11-09 09:50 +0100
                Re: parted is ALMOST suitable Brian <ad44@cityscape.co.uk> - 2016-11-09 11:20 +0100
                Re: parted is ALMOST suitable <tomas@tuxteam.de> - 2016-11-09 11:30 +0100
                Re: parted is ALMOST suitable Brian <ad44@cityscape.co.uk> - 2016-11-09 11:50 +0100
                Re: parted is ALMOST suitable <tomas@tuxteam.de> - 2016-11-09 12:10 +0100
                Re: parted is ALMOST suitable Brian <ad44@cityscape.co.uk> - 2016-11-09 17:10 +0100
                Re: parted is ALMOST suitable Richard Owlett <rowlett@cloud85.net> - 2016-11-09 15:20 +0100
                Re: parted is ALMOST suitable Brian <ad44@cityscape.co.uk> - 2016-11-09 20:50 +0100
                Re: parted is ALMOST suitable Richard Owlett <rowlett@cloud85.net> - 2016-11-09 21:40 +0100
                Re: parted is ALMOST suitable Brian <ad44@cityscape.co.uk> - 2016-11-09 21:10 +0100
                Re: parted is ALMOST suitable Joe Pfeiffer <pfeiffer@cs.nmsu.edu> - 2016-11-10 01:20 +0100
                Re: parted is ALMOST suitable <tomas@tuxteam.de> - 2016-11-10 10:10 +0100
                Re: parted is ALMOST suitable Brian <ad44@cityscape.co.uk> - 2016-11-09 19:30 +0100
                Re: parted is ALMOST suitable <tomas@tuxteam.de> - 2016-11-09 21:40 +0100
                Re: parted is ALMOST suitable Stefan Monnier <monnier@iro.umontreal.ca> - 2016-11-08 22:10 +0100
                Re: parted is ALMOST suitable Lisi Reisz <lisi.reisz@gmail.com> - 2016-11-09 16:00 +0100
                Re: parted is ALMOST suitable <tomas@tuxteam.de> - 2016-11-09 09:40 +0100
        Re: parted is ALMOST suitable Richard Owlett <rowlett@cloud85.net> - 2016-11-07 16:30 +0100
          Re: parted is ALMOST suitable Brian <ad44@cityscape.co.uk> - 2016-11-07 17:10 +0100
            Re: parted is ALMOST suitable Felipe Salvador <felipe.salvador@gmail.com> - 2016-11-07 18:50 +0100
              Re: parted is ALMOST suitable Brian <ad44@cityscape.co.uk> - 2016-11-07 20:20 +0100
                Re: parted is ALMOST suitable Lisi Reisz <lisi.reisz@gmail.com> - 2016-11-08 00:50 +0100
                Re: parted is ALMOST suitable Brian <ad44@cityscape.co.uk> - 2016-11-08 01:40 +0100
                Re: parted is ALMOST suitable Michael Lange <klappnase@freenet.de> - 2016-11-08 03:50 +0100
                Re: parted is ALMOST suitable Richard Owlett <rowlett@cloud85.net> - 2016-11-08 12:00 +0100
                Correction - Re: parted is ALMOST suitable Richard Owlett <rowlett@cloud85.net> - 2016-11-08 12:20 +0100
                Re: Correction - Re: parted is ALMOST suitable Brian <ad44@cityscape.co.uk> - 2016-11-08 20:30 +0100
                Re: parted is ALMOST suitable David Wright <deblis@lionunicorn.co.uk> - 2016-11-08 13:50 +0100
                Re: parted is ALMOST suitable Brian <ad44@cityscape.co.uk> - 2016-11-08 20:10 +0100
  Re: parted is ALMOST suitable Frank <zuiderduin@gmx.com> - 2016-11-07 13:30 +0100
  Re: parted is ALMOST suitable Darac Marjal <mailinglist@darac.org.uk> - 2016-11-07 13:40 +0100
  Re: parted is ALMOST suitable <tomas@tuxteam.de> - 2016-11-07 13:50 +0100
    Re: parted is ALMOST suitable Richard Owlett <rowlett@cloud85.net> - 2016-11-07 14:30 +0100
      Re: parted is ALMOST suitable <tomas@tuxteam.de> - 2016-11-07 15:10 +0100
      Re: parted is ALMOST suitable Richard Owlett <rowlett@cloud85.net> - 2016-11-07 15:20 +0100
        Re: parted is ALMOST suitable Greg Wooledge <wooledg@eeg.ccf.org> - 2016-11-07 15:30 +0100
          Re: parted is ALMOST suitable <tomas@tuxteam.de> - 2016-11-07 15:40 +0100
          Re: parted is ALMOST suitable Richard Owlett <rowlett@cloud85.net> - 2016-11-07 17:00 +0100
            Re: parted is ALMOST suitable Greg Wooledge <wooledg@eeg.ccf.org> - 2016-11-07 17:10 +0100
              Re: parted is ALMOST suitable Nicolas George <george@nsup.org> - 2016-11-07 17:20 +0100
        Re: parted is ALMOST suitable <tomas@tuxteam.de> - 2016-11-07 15:30 +0100
          Re: parted is ALMOST suitable Greg Wooledge <wooledg@eeg.ccf.org> - 2016-11-07 15:40 +0100
            Re: parted is ALMOST suitable <tomas@tuxteam.de> - 2016-11-07 16:10 +0100
              Re: parted is ALMOST suitable Reco <recoverym4n@gmail.com> - 2016-11-07 18:00 +0100
                Re: parted is ALMOST suitable <tomas@tuxteam.de> - 2016-11-08 10:20 +0100
        Re: parted is ALMOST suitable Pascal Hambourg <pascal@plouf.fr.eu.org> - 2016-11-07 21:10 +0100
          Re: parted is ALMOST suitable Brian <ad44@cityscape.co.uk> - 2016-11-08 01:00 +0100
            Re: parted is ALMOST suitable Richard Owlett <rowlett@cloud85.net> - 2016-11-08 12:20 +0100
            Re: parted is ALMOST suitable Pascal Hambourg <pascal@plouf.fr.eu.org> - 2016-11-11 15:40 +0100
              Re: parted is ALMOST suitable Brian <ad44@cityscape.co.uk> - 2016-11-11 17:30 +0100
                Re: parted is ALMOST suitable Pascal Hambourg <pascal@plouf.fr.eu.org> - 2016-11-11 18:10 +0100
                Re: parted is ALMOST suitable Brian <ad44@cityscape.co.uk> - 2016-11-11 18:40 +0100
    Re: parted is ALMOST suitable David Wright <deblis@lionunicorn.co.uk> - 2016-11-07 15:10 +0100
      Re: parted is ALMOST suitable <tomas@tuxteam.de> - 2016-11-07 15:10 +0100
  Re: parted is ALMOST suitable rhkramer@gmail.com - 2016-11-07 15:00 +0100

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