[Bug 1840752] Re: cryptroot-unlock fails to find the askpass process

[Launchpad Bug Tracker]

This bug was fixed in the package cryptsetup - 2:2.2.0-1ubuntu2

---------------
cryptsetup (2:2.2.0-1ubuntu2) eoan; urgency=medium

  * debian/initramfs/cryptroot-unlock: canonicalize executable paths.
    Thanks to Paride Legovini <paride.legovini at canonical.com> for the patch.
    LP: #1840752.

 -- Steve Langasek <steve.langasek at ubuntu.com>  Tue, 20 Aug 2019
15:34:10 -0700

** Changed in: cryptsetup (Ubuntu)
       Status: New => Fix Released

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https://bugs.launchpad.net/bugs/1840752

Title:
  cryptroot-unlock fails to find the askpass process

Status in cryptsetup package in Ubuntu:
  Fix Released

Bug description:
  This bug deserves some attention because it's caused by an Ubuntu
  specific patch not being in sync with upstream.

  The debian/initramfs/cryptroot-unlock script can be used with
  dropbear-initramfs to remotely unlock an encrypted root partition via
  SSH. This functionality has been broken since version
  2:2.0.4-2ubuntu1. The reason is that upstream (Debian) in version
  2:2.0.3-7 started normalizing  paths to allow the script to work on
  UsrMerged installs:

  https://salsa.debian.org/cryptsetup-
  team/cryptsetup/commit/f1c56c19fea6dc988c1f29fb

  however the Ubuntu patch introduced to fix LP: 1651818 was brought on
  to newer versions without introducing the required normalization. The
  fix is adding a "readlink" where required (patch attached).

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