[Bug 1938442] Re: Wrong permissions on ~/.hplip/.gnupg

[Till Kamppeter]

Thorsten, could you also update the Debian package appropriately? And
once one it, update to 3.21.10? Thanks.

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Title:
  Wrong permissions on ~/.hplip/.gnupg

Status in hplip package in Ubuntu:
  New
Status in hplip source package in Bionic:
  New
Status in hplip source package in Focal:
  New
Status in hplip source package in Hirsute:
  Won't Fix
Status in hplip source package in Impish:
  New
Status in hplip source package in Jammy:
  New

Bug description:
  [Impact]
  * The directory ~/.hplip/.gnupg is readable by non-root users
  * This directory contains only public keys, but should still
    have the permissions changed to 700 for privacy reasons

  [Test Case]
  * Install hplip and run `hp-plugin -i` 
  * ls -al ~/.hplip and observe that ~/.hplip/.gnupg has perms drwxr-xr-x
  * rm -rf ~/.hplip and install hplip from -proposed
  * run `hp-plugin -i` again
  * ls -al ~/.hplip and observe that ~/.hplip/.gnupg has perms drwx------

  [Regression Potential]
  * Because of file permissions becoming more restrictive,
    it is possible that some other hplip binaries would
    fail to read the .gnupg directory
  * To ensure this isn't the case, testing should be done
    on different hplip use-cases to ensure they still
    function properly

  [Original Description]
  Hi,

  we have a report in Fedora -
  https://bugzilla.redhat.com/show_bug.cgi?id=1985251 - where Sergey
  found out that ~/.hplip/.gnupg directory has permissions 755 instead
  of 700. Perms 700 prevent accessing the dir by other users, because
  the dir can contain private keys.

  However, .gnupg dir contains only a public key used in GPG
  verification of HP plugin, so the matter isn't that critical, but it
  is good to have it fixed.

  The patch is attached.

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