[Bug 1799857] Re: sudo -p '' displays a password prompt which it shouldn't

[David Partridge]

There must be something in the code that is causing this.  I confirm
that neither the EV SUDO_PROMPT, nor passprompt_override in /etc/sudoers
are set.

While I agree that it's purely cosmetic, it would be nice to have it
fixed (pretty please).

Cheers
Dave

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https://bugs.launchpad.net/bugs/1799857

Title:
  sudo -p '' displays a password prompt which it shouldn't

Status in sudo package in Ubuntu:
  Won't Fix

Bug description:
  I have small script that invokes another shell script as root thus:

  #!/bin/bash
  echo "mypass" | sudo -p '' -S /usr/StorMan/StorMan.sh

  when running in 16.04 LTS this didn't display a password prompt which
  I understand to be correct behaviour.  Since upgrading to 18.04.1 LTS
  the output looks like:

  amonra at Charon:~$ ./storman
  [sudo] password for amonra: 

  which as far as I can determine is not correct.

  Thanks
  Dave

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: sudo 1.8.21p2-3ubuntu1
  ProcVersionSignature: Ubuntu 4.15.0-38.41-generic 4.15.18
  Uname: Linux 4.15.0-38-generic x86_64
  ApportVersion: 2.20.9-0ubuntu7.4
  Architecture: amd64
  CurrentDesktop: LXDE
  Date: Thu Oct 25 03:07:27 2018
  InstallationDate: Installed on 2016-03-28 (940 days ago)
  InstallationMedia: Ubuntu-Server 14.04.4 LTS "Trusty Tahr" - Release amd64 (20160217.1)
  SourcePackage: sudo
  UpgradeStatus: Upgraded to bionic on 2018-10-22 (2 days ago)
  VisudoCheck:
   /etc/sudoers: parsed OK
   /etc/sudoers.d/README: parsed OK
  modified.conffile..etc.sudoers: [inaccessible: [Errno 13] Permission denied: '/etc/sudoers']
  modified.conffile..etc.sudoers.d.README: [inaccessible: [Errno 13] Permission denied: '/etc/sudoers.d/README']

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