bug#29906: 27.0.50; Emacs prompts for passwords in GUI dialog instead of minibuffer

bug#29906: 27.0.50; Emacs prompts for passwords in GUI dialog instead of minibuffer

[N. Jackson]

When I start Gnus with `M-x gnus' I get prompted for my password
(for my authinfo.gpg file) in a GUI dialog box. Expected
behaviour: The prompt is in the minibuffer.

Similarly, when I open a .gpg file with `C-x C-f' I am being
presented with a GUI dialog instead of a prompt in the minibuffer.

In general I expect to see prompts in the minibuffer unless I
interact with Emacs with the mouse, through the menus or toolbar.

This behaviour is new since I last used master a few months ago.


In GNU Emacs 27.0.50 (build 1, x86_64-pc-linux-gnu, GTK+ Version 3.22.21)
 of 2017-12-29 built on moondust.localdomain
Repository revision: ace8f2ed4d6ea49d179333f8e7455e5208417da7
Windowing system distributor 'Fedora Project', version 11.0.11903000
System Description:	Fedora release 26 (Twenty Six)

Recent messages:
20171229T205917.388> Opening nnfolder server...
20171229T205917.389> Opening nnfolder server...done
20171229T205917.390> Reading incoming mail from file...
20171229T205917.391> nnfolder: Reading incoming mail (no new mail)...done
20171229T205917.391> Reading active file via nnfolder...
20171229T205917.391> Reading active file via nnfolder...done
20171229T205917.391> Reading active file via nndraft...
20171229T205917.392> Reading active file via nndraft...
20171229T205917.393> Reading active file via nndraft...done
20171229T205917.393> Checking new news...done

Configured using:
 'configure --without-pop 'CFLAGS=-O2 -g3 -gdwarf-4''

Configured features:
XPM JPEG TIFF GIF PNG RSVG IMAGEMAGICK SOUND DBUS GSETTINGS NOTIFY ACL
LIBSELINUX GNUTLS LIBXML2 FREETYPE LIBOTF XFT ZLIB TOOLKIT_SCROLL_BARS
GTK3 X11 LCMS2

Important settings:
  value of $LANG: en_CA.UTF-8
  value of $XMODIFIERS: @im=none
  locale-coding-system: utf-8-unix

Major mode: Group

Minor modes in effect:
  hl-line-mode: t
  diff-auto-refine-mode: t
  pdf-occur-global-minor-mode: t
  gnus-undo-mode: t
  shell-dirtrack-mode: t
  recentf-mode: t
  display-battery-mode: t
  display-time-mode: t
  show-paren-mode: t
  savehist-mode: t
  save-place-mode: t
  electric-pair-mode: t
  desktop-save-mode: t
  delete-selection-mode: t
  cua-mode: t
  tooltip-mode: t
  global-eldoc-mode: t
  electric-indent-mode: t
  mouse-wheel-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  blink-cursor-mode: t
  auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t
  temp-buffer-resize-mode: t
  buffer-read-only: t
  size-indication-mode: t
  column-number-mode: t
  line-number-mode: t
  global-visual-line-mode: t
  visual-line-mode: t
  transient-mark-mode: t

Load-path shadows:
/home/nlj/.emacs.d/elpa/org-plus-contrib-20171211/org-contacts hides ~/.emacs.d/modules/org-contacts
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/home/nlj/.emacs.d/elpa/org-plus-contrib-20171211/ob-clojure hides /data/projects/vc/emacs/git/emacs/lisp/org/ob-clojure
/home/nlj/.emacs.d/elpa/org-plus-contrib-20171211/ox-md hides /data/projects/vc/emacs/git/emacs/lisp/org/ox-md
/home/nlj/.emacs.d/elpa/org-plus-contrib-20171211/org-macs hides /data/projects/vc/emacs/git/emacs/lisp/org/org-macs
/home/nlj/.emacs.d/elpa/org-plus-contrib-20171211/ob-groovy hides /data/projects/vc/emacs/git/emacs/lisp/org/ob-groovy
/home/nlj/.emacs.d/elpa/org-plus-contrib-20171211/ox-odt hides /data/projects/vc/emacs/git/emacs/lisp/org/ox-odt
/home/nlj/.emacs.d/elpa/org-plus-contrib-20171211/ox-texinfo hides /data/projects/vc/emacs/git/emacs/lisp/org/ox-texinfo
/home/nlj/.emacs.d/elpa/org-plus-contrib-20171211/org-protocol hides /data/projects/vc/emacs/git/emacs/lisp/org/org-protocol
/home/nlj/.emacs.d/elpa/org-plus-contrib-20171211/ob-io hides /data/projects/vc/emacs/git/emacs/lisp/org/ob-io
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/home/nlj/.emacs.d/elpa/org-plus-contrib-20171211/ob hides /data/projects/vc/emacs/git/emacs/lisp/org/ob
/home/nlj/.emacs.d/elpa/org-plus-contrib-20171211/org-docview hides /data/projects/vc/emacs/git/emacs/lisp/org/org-docview
/home/nlj/.emacs.d/elpa/org-plus-contrib-20171211/ob-latex hides /data/projects/vc/emacs/git/emacs/lisp/org/ob-latex
/home/nlj/.emacs.d/elpa/org-plus-contrib-20171211/ox-html hides /data/projects/vc/emacs/git/emacs/lisp/org/ox-html
/home/nlj/.emacs.d/elpa/org-plus-contrib-20171211/org-ctags hides /data/projects/vc/emacs/git/emacs/lisp/org/org-ctags
/home/nlj/.emacs.d/elpa/org-plus-contrib-20171211/org-src hides /data/projects/vc/emacs/git/emacs/lisp/org/org-src
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/home/nlj/.emacs.d/elpa/org-plus-contrib-20171211/org-bibtex hides /data/projects/vc/emacs/git/emacs/lisp/org/org-bibtex
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/home/nlj/.emacs.d/elpa/org-plus-contrib-20171211/org-timer hides /data/projects/vc/emacs/git/emacs/lisp/org/org-timer
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/home/nlj/.emacs.d/elpa/org-plus-contrib-20171211/ob-J hides /data/projects/vc/emacs/git/emacs/lisp/org/ob-J
/home/nlj/.emacs.d/elpa/org-plus-contrib-20171211/org-mhe hides /data/projects/vc/emacs/git/emacs/lisp/org/org-mhe
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/home/nlj/.emacs.d/elpa/org-plus-contrib-20171211/org-rmail hides /data/projects/vc/emacs/git/emacs/lisp/org/org-rmail
/home/nlj/.emacs.d/elpa/org-plus-contrib-20171211/org-attach hides /data/projects/vc/emacs/git/emacs/lisp/org/org-attach
/home/nlj/.emacs.d/elpa/org-plus-contrib-20171211/ob-lilypond hides /data/projects/vc/emacs/git/emacs/lisp/org/ob-lilypond
/home/nlj/.emacs.d/elpa/org-plus-contrib-20171211/org-version hides /data/projects/vc/emacs/git/emacs/lisp/org/org-version
/home/nlj/.emacs.d/elpa/org-plus-contrib-20171211/ob-makefile hides /data/projects/vc/emacs/git/emacs/lisp/org/ob-makefile
/home/nlj/.emacs.d/elpa/org-plus-contrib-20171211/ob-sql hides /data/projects/vc/emacs/git/emacs/lisp/org/ob-sql
/home/nlj/.emacs.d/elpa/org-plus-contrib-20171211/ob-lob hides /data/projects/vc/emacs/git/emacs/lisp/org/ob-lob
/home/nlj/.emacs.d/elpa/org-plus-contrib-20171211/ob-abc hides /data/projects/vc/emacs/git/emacs/lisp/org/ob-abc
/home/nlj/.emacs.d/elpa/org-plus-contrib-20171211/ob-java hides /data/projects/vc/emacs/git/emacs/lisp/org/ob-java
/home/nlj/.emacs.d/elpa/org-plus-contrib-20171211/ob-shell hides /data/projects/vc/emacs/git/emacs/lisp/org/ob-shell
/home/nlj/.emacs.d/elpa/org-plus-contrib-20171211/org-loaddefs hides /data/projects/vc/emacs/git/emacs/lisp/org/org-loaddefs
/home/nlj/.emacs.d/elpa/org-plus-contrib-20171211/org-element hides /data/projects/vc/emacs/git/emacs/lisp/org/org-element
/home/nlj/.emacs.d/elpa/org-plus-contrib-20171211/ob-ebnf hides /data/projects/vc/emacs/git/emacs/lisp/org/ob-ebnf
/home/nlj/.emacs.d/elpa/org-plus-contrib-20171211/org-id hides /data/projects/vc/emacs/git/emacs/lisp/org/org-id
/home/nlj/.emacs.d/elpa/org-plus-contrib-20171211/org-crypt hides /data/projects/vc/emacs/git/emacs/lisp/org/org-crypt
/home/nlj/.emacs.d/elpa/org-plus-contrib-20171211/org hides /data/projects/vc/emacs/git/emacs/lisp/org/org
/home/nlj/.emacs.d/elpa/org-plus-contrib-20171211/org-plot hides /data/projects/vc/emacs/git/emacs/lisp/org/org-plot
/home/nlj/.emacs.d/elpa/org-plus-contrib-20171211/ob-ruby hides /data/projects/vc/emacs/git/emacs/lisp/org/ob-ruby
/home/nlj/.emacs.d/elpa/org-plus-contrib-20171211/ob-matlab hides /data/projects/vc/emacs/git/emacs/lisp/org/ob-matlab
/home/nlj/.emacs.d/elpa/org-plus-contrib-20171211/ob-lua hides /data/projects/vc/emacs/git/emacs/lisp/org/ob-lua
/home/nlj/.emacs.d/elpa/org-plus-contrib-20171211/ob-ditaa hides /data/projects/vc/emacs/git/emacs/lisp/org/ob-ditaa
/home/nlj/.emacs.d/elpa/org-plus-contrib-20171211/org-irc hides /data/projects/vc/emacs/git/emacs/lisp/org/org-irc
/home/nlj/.emacs.d/elpa/org-plus-contrib-20171211/org-gnus hides /data/projects/vc/emacs/git/emacs/lisp/org/org-gnus
/home/nlj/.emacs.d/elpa/org-plus-contrib-20171211/ob-C hides /data/projects/vc/emacs/git/emacs/lisp/org/ob-C
/home/nlj/.emacs.d/elpa/org-plus-contrib-20171211/ob-vala hides /data/projects/vc/emacs/git/emacs/lisp/org/ob-vala
/home/nlj/.emacs.d/elpa/org-plus-contrib-20171211/org-lint hides /data/projects/vc/emacs/git/emacs/lisp/org/org-lint
/home/nlj/.emacs.d/elpa/org-plus-contrib-20171211/ob-comint hides /data/projects/vc/emacs/git/emacs/lisp/org/ob-comint
/home/nlj/.emacs.d/elpa/org-plus-contrib-20171211/org-colview hides /data/projects/vc/emacs/git/emacs/lisp/org/org-colview
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/home/nlj/.emacs.d/elpa/org-plus-contrib-20171211/ob-hledger hides /data/projects/vc/emacs/git/emacs/lisp/org/ob-hledger
/home/nlj/.emacs.d/elpa/org-plus-contrib-20171211/ob-dot hides /data/projects/vc/emacs/git/emacs/lisp/org/ob-dot
/home/nlj/.emacs.d/elpa/org-plus-contrib-20171211/org-mobile hides /data/projects/vc/emacs/git/emacs/lisp/org/org-mobile
/home/nlj/.emacs.d/elpa/org-plus-contrib-20171211/org-duration hides /data/projects/vc/emacs/git/emacs/lisp/org/org-duration
/home/nlj/.emacs.d/elpa/org-plus-contrib-20171211/org-eshell hides /data/projects/vc/emacs/git/emacs/lisp/org/org-eshell
/home/nlj/.emacs.d/elpa/org-plus-contrib-20171211/ob-sass hides /data/projects/vc/emacs/git/emacs/lisp/org/ob-sass
/home/nlj/.emacs.d/elpa/org-plus-contrib-20171211/ob-gnuplot hides /data/projects/vc/emacs/git/emacs/lisp/org/ob-gnuplot
/home/nlj/.emacs.d/elpa/org-plus-contrib-20171211/ox-icalendar hides /data/projects/vc/emacs/git/emacs/lisp/org/ox-icalendar
/home/nlj/.emacs.d/elpa/org-plus-contrib-20171211/ox-man hides /data/projects/vc/emacs/git/emacs/lisp/org/ox-man
/home/nlj/.emacs.d/elpa/org-plus-contrib-20171211/org-capture hides /data/projects/vc/emacs/git/emacs/lisp/org/org-capture
/home/nlj/.emacs.d/elpa/org-plus-contrib-20171211/ob-plantuml hides /data/projects/vc/emacs/git/emacs/lisp/org/ob-plantuml
/home/nlj/.emacs.d/elpa/org-plus-contrib-20171211/org-footnote hides /data/projects/vc/emacs/git/emacs/lisp/org/org-footnote
/home/nlj/.emacs.d/elpa/org-plus-contrib-20171211/ob-sed hides /data/projects/vc/emacs/git/emacs/lisp/org/ob-sed
/home/nlj/.emacs.d/elpa/org-plus-contrib-20171211/org-clock hides /data/projects/vc/emacs/git/emacs/lisp/org/org-clock
/home/nlj/.emacs.d/elpa/org-plus-contrib-20171211/ob-js hides /data/projects/vc/emacs/git/emacs/lisp/org/ob-js
/home/nlj/.emacs.d/elpa/org-plus-contrib-20171211/ox-latex hides /data/projects/vc/emacs/git/emacs/lisp/org/ox-latex
/home/nlj/.emacs.d/elpa/org-plus-contrib-20171211/ox-ascii hides /data/projects/vc/emacs/git/emacs/lisp/org/ox-ascii
/home/nlj/.emacs.d/elpa/org-plus-contrib-20171211/ob-ref hides /data/projects/vc/emacs/git/emacs/lisp/org/ob-ref
/home/nlj/.emacs.d/elpa/org-plus-contrib-20171211/ob-stan hides /data/projects/vc/emacs/git/emacs/lisp/org/ob-stan
/home/nlj/.emacs.d/elpa/org-plus-contrib-20171211/ob-ocaml hides /data/projects/vc/emacs/git/emacs/lisp/org/ob-ocaml
/home/nlj/.emacs.d/elpa/org-plus-contrib-20171211/org-agenda hides /data/projects/vc/emacs/git/emacs/lisp/org/org-agenda
/home/nlj/.emacs.d/elpa/org-plus-contrib-20171211/org-indent hides /data/projects/vc/emacs/git/emacs/lisp/org/org-indent
/home/nlj/.emacs.d/elpa/org-plus-contrib-20171211/ob-core hides /data/projects/vc/emacs/git/emacs/lisp/org/ob-core
/home/nlj/.emacs.d/elpa/org-plus-contrib-20171211/org-pcomplete hides /data/projects/vc/emacs/git/emacs/lisp/org/org-pcomplete
/home/nlj/.emacs.d/elpa/org-plus-contrib-20171211/org-datetree hides /data/projects/vc/emacs/git/emacs/lisp/org/org-datetree
/home/nlj/.emacs.d/elpa/org-plus-contrib-20171211/ob-ledger hides /data/projects/vc/emacs/git/emacs/lisp/org/ob-ledger
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/home/nlj/.emacs.d/elpa/org-plus-contrib-20171211/org-entities hides /data/projects/vc/emacs/git/emacs/lisp/org/org-entities
/home/nlj/.emacs.d/elpa/org-plus-contrib-20171211/org-macro hides /data/projects/vc/emacs/git/emacs/lisp/org/org-macro
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/home/nlj/.emacs.d/elpa/org-plus-contrib-20171211/org-mouse hides /data/projects/vc/emacs/git/emacs/lisp/org/org-mouse
/home/nlj/.emacs.d/elpa/org-plus-contrib-20171211/ob-sqlite hides /data/projects/vc/emacs/git/emacs/lisp/org/ob-sqlite
/home/nlj/.emacs.d/elpa/org-plus-contrib-20171211/ox-org hides /data/projects/vc/emacs/git/emacs/lisp/org/ox-org
/home/nlj/.emacs.d/elpa/org-plus-contrib-20171211/ob-screen hides /data/projects/vc/emacs/git/emacs/lisp/org/ob-screen
/home/nlj/.emacs.d/elpa/org-plus-contrib-20171211/ob-asymptote hides /data/projects/vc/emacs/git/emacs/lisp/org/ob-asymptote
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/home/nlj/.emacs.d/elpa/org-plus-contrib-20171211/org-archive hides /data/projects/vc/emacs/git/emacs/lisp/org/org-archive
/home/nlj/.emacs.d/elpa/org-plus-contrib-20171211/ox hides /data/projects/vc/emacs/git/emacs/lisp/org/ox
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/home/nlj/.emacs.d/elpa/org-plus-contrib-20171211/ob-perl hides /data/projects/vc/emacs/git/emacs/lisp/org/ob-perl
/home/nlj/.emacs.d/elpa/org-plus-contrib-20171211/org-faces hides /data/projects/vc/emacs/git/emacs/lisp/org/org-faces
/home/nlj/.emacs.d/elpa/org-plus-contrib-20171211/org-bbdb hides /data/projects/vc/emacs/git/emacs/lisp/org/org-bbdb
/home/nlj/.emacs.d/elpa/org-plus-contrib-20171211/org-compat hides /data/projects/vc/emacs/git/emacs/lisp/org/org-compat
/home/nlj/.emacs.d/elpa/org-plus-contrib-20171211/ob-lisp hides /data/projects/vc/emacs/git/emacs/lisp/org/ob-lisp
/home/nlj/.emacs.d/elpa/org-plus-contrib-20171211/org-install hides /data/projects/vc/emacs/git/emacs/lisp/org/org-install
/home/nlj/.emacs.d/elpa/org-plus-contrib-20171211/ob-awk hides /data/projects/vc/emacs/git/emacs/lisp/org/ob-awk
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/home/nlj/.emacs.d/elpa/org-plus-contrib-20171211/ob-fortran hides /data/projects/vc/emacs/git/emacs/lisp/org/ob-fortran

Features:
(shadow sort bbdb-message emacsbug sendmail gnus-async qp mail-extr
gnus-ml disp-table hl-line utf-7 nndraft nnmh nnfolder nnagent nnml
network-stream nsm starttls bbdb-gnus bbdb-mua nnnil gnus-agent
gnus-srvr gnus-score score-mode nnvirtual gnus-msg nntp gnus-cache
cl-extra help-mode dired-aux vc-git diff-mode cc-mode cc-fonts cc-guess
cc-menus cc-cmds cc-styles cc-align cc-engine cc-vars cc-defs map
epa-file flyspell ispell pdf-occur ibuf-ext ibuffer ibuffer-loaddefs
tablist tablist-filter semantic/wisent/comp semantic/wisent
semantic/wisent/wisent semantic/util-modes semantic/util semantic
semantic/tag semantic/lex semantic/fw mode-local cedet pdf-isearch
let-alist pdf-misc imenu pdf-tools compile cus-edit pdf-view bookmark pp
pdf-cache pdf-info tq pdf-util org-contacts org-capture gnus-art mm-uu
mml2015 mm-view mml-smime smime dig mailcap org-duration org-eldoc
org-w3m org-rmail org-mhe org-irc org-info org-habit org-gnus nnir
gnus-sum gnus-group gnus-undo gnus-start gnus-cloud nnimap nnmail
mail-source tls gnutls utf7 netrc nnoo parse-time gnus-spec gnus-int
gnus-range message rmc puny rfc822 mml mml-sec epa derived epg mm-decode
mm-bodies mm-encode mail-parse rfc2231 gmm-utils mailheader gnus-win
gnus nnheader gnus-util rmail rmail-loaddefs rfc2047 rfc2045 ietf-drums
mail-utils mm-util mail-prsvr org-docview doc-view jka-compr image-mode
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bug#29906: 27.0.50; Emacs prompts for passwords in GUI dialog instead of minibuffer

[Eli Zaretskii]

> From: nljlistbox2@gmail.com (N. Jackson)
> Date: Fri, 29 Dec 2017 21:11:44 -0500
> 
> When I start Gnus with `M-x gnus' I get prompted for my password
> (for my authinfo.gpg file) in a GUI dialog box. Expected
> behaviour: The prompt is in the minibuffer.
> 
> Similarly, when I open a .gpg file with `C-x C-f' I am being
> presented with a GUI dialog instead of a prompt in the minibuffer.
> 
> In general I expect to see prompts in the minibuffer unless I
> interact with Emacs with the mouse, through the menus or toolbar.
> 
> This behaviour is new since I last used master a few months ago.

Does this NEWS.26 entry help?

  ** The pinentry.el library has been removed.
  That package (and the corresponding change in GnuPG and pinentry)
  was intended to provide a way to input passphrase through Emacs with
  GnuPG 2.0.  However, the change to support that was only implemented
  in GnuPG >= 2.1 and didn't get backported to GnuPG 2.0.  And with
  GnuPG 2.1 and later, pinentry.el is not needed at all.  So the
  library was useless, and we removed it.  GnuPG 2.0 is no longer
  supported by the upstream project.

  To adapt to the change, you may need to set 'epa-pinentry-mode' to the
  symbol 'loopback'.

What version of GnuPG do you have on that system?

bug#29906: 27.0.50; Emacs prompts for passwords in GUI dialog instead of minibuffer

[N. Jackson]

At 10:19 +0200 on Saturday 2017-12-30, Eli Zaretskii wrote:
>
> Does this NEWS.26 entry help?
>
>   ** The pinentry.el library has been removed.
>   That package (and the corresponding change in GnuPG and pinentry)
>   was intended to provide a way to input passphrase through Emacs with
>   GnuPG 2.0.  However, the change to support that was only implemented
>   in GnuPG >= 2.1 and didn't get backported to GnuPG 2.0.  And with
>   GnuPG 2.1 and later, pinentry.el is not needed at all.  So the
>   library was useless, and we removed it.  GnuPG 2.0 is no longer
>   supported by the upstream project.
>
>   To adapt to the change, you may need to set 'epa-pinentry-mode' to the
>   symbol 'loopback'.

Yes, that does help, thank you. I should have checked the news.

It doesn't help me decide what to do though. Do you know if using
the prompt in the minibuffer (using `loopback') is thought to be
less secure than using the external pinentry program?

> What version of GnuPG do you have on that system?

Here `gpg' is GnuPG 1.4.22 and `gpg2' is GnuPG 2.2.3.

N.

bug#29906: 27.0.50; Emacs prompts for passwords in GUI dialog instead of minibuffer

[Eli Zaretskii]

> From: nljlistbox2@gmail.com (N. Jackson)
> Cc: 29906@debbugs.gnu.org
> Date: Sat, 30 Dec 2017 10:54:31 -0500
> 
> At 10:19 +0200 on Saturday 2017-12-30, Eli Zaretskii wrote:
> >
> > Does this NEWS.26 entry help?
> >
> >   ** The pinentry.el library has been removed.
> >   That package (and the corresponding change in GnuPG and pinentry)
> >   was intended to provide a way to input passphrase through Emacs with
> >   GnuPG 2.0.  However, the change to support that was only implemented
> >   in GnuPG >= 2.1 and didn't get backported to GnuPG 2.0.  And with
> >   GnuPG 2.1 and later, pinentry.el is not needed at all.  So the
> >   library was useless, and we removed it.  GnuPG 2.0 is no longer
> >   supported by the upstream project.
> >
> >   To adapt to the change, you may need to set 'epa-pinentry-mode' to the
> >   symbol 'loopback'.
> 
> Yes, that does help, thank you. I should have checked the news.
> 
> It doesn't help me decide what to do though. Do you know if using
> the prompt in the minibuffer (using `loopback') is thought to be
> less secure than using the external pinentry program?

I don't know enough about this to tell.  Daiki, any inputs?

> > What version of GnuPG do you have on that system?
> 
> Here `gpg' is GnuPG 1.4.22 and `gpg2' is GnuPG 2.2.3.

bug#29906: 27.0.50; Emacs prompts for passwords in GUI dialog instead of minibuffer

[Daiki Ueno]

Eli Zaretskii <eliz@gnu.org> writes:

>> From: nljlistbox2@gmail.com (N. Jackson)
>> Cc: 29906@debbugs.gnu.org
>> Date: Sat, 30 Dec 2017 10:54:31 -0500
>> 
>> At 10:19 +0200 on Saturday 2017-12-30, Eli Zaretskii wrote:
>> >
>> > Does this NEWS.26 entry help?
>> >
>> >   ** The pinentry.el library has been removed.
>> >   That package (and the corresponding change in GnuPG and pinentry)
>> >   was intended to provide a way to input passphrase through Emacs with
>> >   GnuPG 2.0.  However, the change to support that was only implemented
>> >   in GnuPG >= 2.1 and didn't get backported to GnuPG 2.0.  And with
>> >   GnuPG 2.1 and later, pinentry.el is not needed at all.  So the
>> >   library was useless, and we removed it.  GnuPG 2.0 is no longer
>> >   supported by the upstream project.
>> >
>> >   To adapt to the change, you may need to set 'epa-pinentry-mode' to the
>> >   symbol 'loopback'.

I wasn't aware of this entry.  Would it really make sense, given that
pinentry.el was a new library introduced in Emacs 26?

>> Yes, that does help, thank you. I should have checked the news.
>> 
>> It doesn't help me decide what to do though. Do you know if using
>> the prompt in the minibuffer (using `loopback') is thought to be
>> less secure than using the external pinentry program?
>
> I don't know enough about this to tell.  Daiki, any inputs?

I would say it's provides the same level of security as pinentry-gtk,
which no longer uses secmem these days.

It's unfortunate that one of the GnuPG contributors (who currently seems
inactive) had advertised that it was less secure, based on his Emacs 19
knowledge:
https://dev.gnupg.org/T2034#89059

Sigh.  I am really disapponted with the recent development of GnuPG
(failed attempt of standardization, immature implementation of TOFU, FUD
like this, etc).

Regards,
-- 
Daiki Ueno

bug#29906: 27.0.50; Emacs prompts for passwords in GUI dialog instead of minibuffer

[Eli Zaretskii]

> From: Daiki Ueno <ueno@gnu.org>
> Cc: nljlistbox2@gmail.com (N. Jackson),  29906@debbugs.gnu.org
> Date: Sat, 30 Dec 2017 21:13:04 +0100
> 
> >> >   ** The pinentry.el library has been removed.
> >> >   That package (and the corresponding change in GnuPG and pinentry)
> >> >   was intended to provide a way to input passphrase through Emacs with
> >> >   GnuPG 2.0.  However, the change to support that was only implemented
> >> >   in GnuPG >= 2.1 and didn't get backported to GnuPG 2.0.  And with
> >> >   GnuPG 2.1 and later, pinentry.el is not needed at all.  So the
> >> >   library was useless, and we removed it.  GnuPG 2.0 is no longer
> >> >   supported by the upstream project.
> >> >
> >> >   To adapt to the change, you may need to set 'epa-pinentry-mode' to the
> >> >   symbol 'loopback'.
> 
> I wasn't aware of this entry.  Would it really make sense, given that
> pinentry.el was a new library introduced in Emacs 26?

??? I see pinentry.el in all versions of Emacs starting from 25.1.

> >> Yes, that does help, thank you. I should have checked the news.
> >> 
> >> It doesn't help me decide what to do though. Do you know if using
> >> the prompt in the minibuffer (using `loopback') is thought to be
> >> less secure than using the external pinentry program?
> >
> > I don't know enough about this to tell.  Daiki, any inputs?
> 
> I would say it's provides the same level of security as pinentry-gtk,
> which no longer uses secmem these days.
> 
> It's unfortunate that one of the GnuPG contributors (who currently seems
> inactive) had advertised that it was less secure, based on his Emacs 19
> knowledge:
> https://dev.gnupg.org/T2034#89059

Would you advise saying something along these lines in NEWS?

Thanks.

bug#29906: 27.0.50; Emacs prompts for passwords in GUI dialog instead of minibuffer

[Daiki Ueno]

Eli Zaretskii <eliz@gnu.org> writes:

>> From: Daiki Ueno <ueno@gnu.org>
>> Cc: nljlistbox2@gmail.com (N. Jackson),  29906@debbugs.gnu.org
>> Date: Sat, 30 Dec 2017 21:13:04 +0100
>> 
>> >> >   ** The pinentry.el library has been removed.
>> >> >   That package (and the corresponding change in GnuPG and pinentry)
>> >> >   was intended to provide a way to input passphrase through Emacs with
>> >> >   GnuPG 2.0.  However, the change to support that was only implemented
>> >> >   in GnuPG >= 2.1 and didn't get backported to GnuPG 2.0.  And with
>> >> >   GnuPG 2.1 and later, pinentry.el is not needed at all.  So the
>> >> >   library was useless, and we removed it.  GnuPG 2.0 is no longer
>> >> >   supported by the upstream project.
>> >> >
>> >> >   To adapt to the change, you may need to set 'epa-pinentry-mode' to the
>> >> >   symbol 'loopback'.
>> 
>> I wasn't aware of this entry.  Would it really make sense, given that
>> pinentry.el was a new library introduced in Emacs 26?
>
> ??? I see pinentry.el in all versions of Emacs starting from 25.1.

Oops, you are right (forgot about it).  Then, perhaps it might be safer
to move it to obsolete, but I presume the impact of the removal is not
that big.

> Would you advise saying something along these lines in NEWS?

Sure.

Regards,
-- 
Daiki Ueno

bug#29906: 27.0.50; Emacs prompts for passwords in GUI dialog instead of minibuffer

[Glenn Morris]

Daiki Ueno wrote:

>> ??? I see pinentry.el in all versions of Emacs starting from 25.1.
>
> Oops, you are right (forgot about it).  Then, perhaps it might be safer
> to move it to obsolete, but I presume the impact of the removal is not
> that big.

FWIW, it does seem unusual to me to delete a library altogether.
Emacs normally moves things to obsolete/ first.
Or obsolete/pinentry.el could just contain a single line:
 (setq epa-pinentry-mode 'loopback)

bug#29906: 27.0.50; Emacs prompts for passwords in GUI dialog instead of minibuffer

[Glenn Morris]

It seems clear to me that the file was deleted (rather than obsoleted)
based on a misunderstanding about whether it had been in a release.

I find it weird that this is just being ignored, but NMP.

bug#29906: 27.0.50; Emacs prompts for passwords in GUI dialog instead of minibuffer

[Eli Zaretskii]

> From: Glenn Morris <rgm@gnu.org>
> Cc: 29906@debbugs.gnu.org,  nljlistbox2@gmail.com,  Eli Zaretskii <eliz@gnu.org>
> Date: Mon, 15 Jan 2018 16:11:58 -0500
> 
> It seems clear to me that the file was deleted (rather than obsoleted)
> based on a misunderstanding about whether it had been in a release.
> 
> I find it weird that this is just being ignored, but NMP.

It's IMO very unfair to represent what we did about this (see
bug#27445) as "ignoring".  There's a limit to what we can do against
strong opinions of a package maintainer.

bug#29906: 27.0.50; Emacs prompts for passwords in GUI dialog instead of minibuffer

[Stefan Kangas]

Eli Zaretskii <eliz@gnu.org> writes:

>> From: nljlistbox2@gmail.com (N. Jackson)
>> Date: Fri, 29 Dec 2017 21:11:44 -0500
>>
>> When I start Gnus with `M-x gnus' I get prompted for my password
>> (for my authinfo.gpg file) in a GUI dialog box. Expected
>> behaviour: The prompt is in the minibuffer.
>>
>> Similarly, when I open a .gpg file with `C-x C-f' I am being
>> presented with a GUI dialog instead of a prompt in the minibuffer.
>>
>> In general I expect to see prompts in the minibuffer unless I
>> interact with Emacs with the mouse, through the menus or toolbar.
>>
>> This behaviour is new since I last used master a few months ago.
>
> Does this NEWS.26 entry help?
>
>   ** The pinentry.el library has been removed.
>   That package (and the corresponding change in GnuPG and pinentry)
>   was intended to provide a way to input passphrase through Emacs with
>   GnuPG 2.0.  However, the change to support that was only implemented
>   in GnuPG >= 2.1 and didn't get backported to GnuPG 2.0.  And with
>   GnuPG 2.1 and later, pinentry.el is not needed at all.  So the
>   library was useless, and we removed it.  GnuPG 2.0 is no longer
>   supported by the upstream project.
>
>   To adapt to the change, you may need to set 'epa-pinentry-mode' to the
>   symbol 'loopback'.
>
> What version of GnuPG do you have on that system?

If I'm not mistaken, there is nothing more to do here.  Therefore, and
if no one protests within a reasonable time, I will close this as
notabug.

Best regards,
Stefan Kagas

bug#29906: 27.0.50; Emacs prompts for passwords in GUI dialog instead of minibuffer

[Stefan Kangas]

tags 29906 + notabug
close 29906
thanks

Stefan Kangas <stefan@marxist.se> writes:

> If I'm not mistaken, there is nothing more to do here.  Therefore, and
> if no one protests within a reasonable time, I will close this as
> notabug.

No protests within 4 weeks; closing now.

Best regards,
Stefan Kangas