From: L p R n d n <guix@lprndn.info>
To: 35305@debbugs.gnu.org
Subject: [bug#35305] LightDM service
Date: Wed, 22 Apr 2020 17:26:04 +0200 [thread overview]
Message-ID: <87tv1bmtir.fsf@lprndn.info> (raw)
In-Reply-To: <2d2d720d1fd6a6357a171e13953a593b@waegenei.re> (Brice Waegeneire's message of "Sun, 12 Apr 2020 09:53:41 +0000")
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Hello,
Here is the new set of patches with quite a few modifications for the
service, everything rebased on 1.1.0.
After a discussion with bricewge on irc, a new design has been adopted
allowing use of multiple seats.
To use the service, you can instantiate a lightdm-service-type, a
lightdm-gtk-greeter-service-type or both. The service should always find
a way to start a working instance of LightDM. :)
A non exhaustive list of changes that might need further review:
* lightdm-gtk-greeter has its own service extending lightdm-service and
others.
* Seats configuration use now the lightdm-seat-record-type and can be
defined both in the lightdm-service and lightdm-gtk-greeter-service.
The greeter now extends the LightDM's service by providing a list of
seats.
* The `compose` and `extend` field of the lightdm-service-type have seen
work for this purpose while keeping compatibility with
`set-xorg-configuration`.
* extra-config fields are list of strings to avoid weird indentation in
the user's config.
* Fixed customization of lightdm-gtk-greeter's cursor.
* Added some fields to deal with accessibility for
lightdm-gtk-greeter-configuration.
* Takes default background from guix-artwork.
Also a review of PAM services might be nice as I'm not versed in security.
However, I didn't get rid of etc-service-type's extension as LightDM's
seems to ignore `sessions-directory` when configuration is passed
through `--config`. Patches to fix that are welcome but can wait a
future patch submission, I think.
Otherwise, tested in a WM: default configurations, autologin, sway,
changing greeter appearance and everything worked fine. For passwordless
login, had to actually delete user's password manually to make it work.
I don't know if it's expected.
Have a nice day and good review :)
L p R n d n
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From fc80fd5c5a4e3ffa1de0f96d2e157e230a6d7afd Mon Sep 17 00:00:00 2001
From: L p R n d n <guix@lprndn.info>
Date: Tue, 16 Apr 2019 13:16:39 +0200
Subject: [PATCH 01/10] gnu: lightdm: Update 1.30.0.
* gnu/packages/display-managers.scm (lightdm): Update to 1.30.0.
---
gnu/packages/display-managers.scm | 11 +++++------
1 file changed, 5 insertions(+), 6 deletions(-)
diff --git a/gnu/packages/display-managers.scm b/gnu/packages/display-managers.scm
index 51605e09aa..f23dc7f573 100644
--- a/gnu/packages/display-managers.scm
+++ b/gnu/packages/display-managers.scm
@@ -125,16 +125,15 @@ create smooth, animated user interfaces.")
(define-public lightdm
(package
(name "lightdm")
- (version "1.24.0")
+ (version "1.30.0")
(source (origin
(method url-fetch)
- (uri (string-append "https://launchpad.net/lightdm/"
- (version-major+minor version) "/"
- version "/+download/lightdm-"
- version ".tar.xz"))
+ (uri (string-append
+ "https://github.com/CanonicalLtd/lightdm/releases/download/"
+ version "/lightdm-" version ".tar.xz"))
(sha256
(base32
- "18j33bm54i8k7ncxcs69zqi4105s62n58jrydqn3ikrb71s9nl6d"))))
+ "158zb2d0v1309a8v19hh32y4yj3v6yg4yg6m0l7v59d3a2b7f651"))))
(build-system gnu-build-system)
(arguments
'(#:parallel-tests? #f ; fails when run in parallel
--
2.26.1
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[-- Attachment #3: 0002-gnu-lightdm-Add-vala-bindings.patch --]
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From 79e893dd86ff913bb840ba36fe2d9aa36a4e82f0 Mon Sep 17 00:00:00 2001
From: L p R n d n <guix@lprndn.info>
Date: Tue, 16 Apr 2019 13:21:55 +0200
Subject: [PATCH 02/10] gnu: lightdm: Add vala bindings.
* gnu/packages/display-managers.scm (lightdm) [native-inputs]: Add vala.
---
gnu/packages/display-managers.scm | 1 +
1 file changed, 1 insertion(+)
diff --git a/gnu/packages/display-managers.scm b/gnu/packages/display-managers.scm
index f23dc7f573..065b1c0000 100644
--- a/gnu/packages/display-managers.scm
+++ b/gnu/packages/display-managers.scm
@@ -180,6 +180,7 @@ create smooth, animated user interfaces.")
("pkg-config" ,pkg-config)
("itstool" ,itstool)
("intltool" ,intltool)
+ ("vala" ,vala) ;For vala bindings
;; For tests
("dbus" ,dbus)
("python" ,python-2)
--
2.26.1
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[-- Attachment #4: 0003-gnu-lightdm-Disable-python-tests-only.patch --]
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From ac36258c83329462f7b7730ea9a753cd4fe61a66 Mon Sep 17 00:00:00 2001
From: L p R n d n <guix@lprndn.info>
Date: Tue, 16 Apr 2019 13:26:22 +0200
Subject: [PATCH 03/10] gnu: lightdm: Disable python tests only.
* gnu/packages/patches/lightdm-disable-python-tests.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add it.
* gnu/packages/display-managers.scm (lightdm)[source]: Use patch.
* gnu/packages/display-managers.scm (lightdm)[arguments]: Remove
test-python-greeter wrapping.
* gnu/packages/display-managers.scm (lightdm)[native-inputs]: Remove python
and python-gobject.
---
gnu/local.mk | 1 +
gnu/packages/display-managers.scm | 18 ++-------
.../lightdm-disable-python-tests.patch | 40 +++++++++++++++++++
3 files changed, 44 insertions(+), 15 deletions(-)
create mode 100644 gnu/packages/patches/lightdm-disable-python-tests.patch
diff --git a/gnu/local.mk b/gnu/local.mk
index 952fc55df4..880adcd457 100644
--- a/gnu/local.mk
+++ b/gnu/local.mk
@@ -1169,6 +1169,7 @@ dist_patch_DATA = \
%D%/packages/patches/lierolibre-newer-libconfig.patch \
%D%/packages/patches/lierolibre-remove-arch-warning.patch \
%D%/packages/patches/lierolibre-try-building-other-arch.patch \
+ %D%/packages/patches/lightdm-disable-python-tests.patch \
%D%/packages/patches/linkchecker-tests-require-network.patch \
%D%/packages/patches/linux-libre-support-for-Pinebook-Pro.patch \
%D%/packages/patches/linux-pam-no-setfsuid.patch \
diff --git a/gnu/packages/display-managers.scm b/gnu/packages/display-managers.scm
index 065b1c0000..e8fae583f1 100644
--- a/gnu/packages/display-managers.scm
+++ b/gnu/packages/display-managers.scm
@@ -133,7 +133,8 @@ create smooth, animated user interfaces.")
version "/lightdm-" version ".tar.xz"))
(sha256
(base32
- "158zb2d0v1309a8v19hh32y4yj3v6yg4yg6m0l7v59d3a2b7f651"))))
+ "158zb2d0v1309a8v19hh32y4yj3v6yg4yg6m0l7v59d3a2b7f651"))
+ (patches (search-patches "lightdm-disable-python-tests.patch"))))
(build-system gnu-build-system)
(arguments
'(#:parallel-tests? #f ; fails when run in parallel
@@ -152,19 +153,8 @@ create smooth, animated user interfaces.")
(substitute* "src/seat.c"
(("/bin/sh") (which "sh")))
#t))
- (add-after 'unpack 'disable-broken-tests
- (lambda _
- (substitute* "tests/Makefile.in"
- (("test-sessions-gobject ") "")
- ((" test-sessions-python ") " "))
- #t))
(add-before 'check 'pre-check
- ;; Run test-suite under a dbus session.
(lambda* (#:key inputs #:allow-other-keys)
- (wrap-program "tests/src/test-python-greeter"
- `("PYTHONPATH" ":" prefix (,(getenv "PYTHONPATH")))
- `("GI_TYPELIB_PATH" ":" prefix (,(getenv "GI_TYPELIB_PATH"))))
-
;; Avoid printing locale warnings, which trip up the text
;; matching tests.
(unsetenv "LC_ALL")
@@ -182,9 +172,7 @@ create smooth, animated user interfaces.")
("intltool" ,intltool)
("vala" ,vala) ;For vala bindings
;; For tests
- ("dbus" ,dbus)
- ("python" ,python-2)
- ("python-pygobject" ,python2-pygobject)))
+ ("dbus" ,dbus)))
;; Required by liblightdm-gobject-1.pc.
(propagated-inputs
`(("glib" ,glib)
diff --git a/gnu/packages/patches/lightdm-disable-python-tests.patch b/gnu/packages/patches/lightdm-disable-python-tests.patch
new file mode 100644
index 0000000000..b1850f279c
--- /dev/null
+++ b/gnu/packages/patches/lightdm-disable-python-tests.patch
@@ -0,0 +1,40 @@
+ tests/Makefile.in | 23 -----------------------
+ 1 file changed, 23 deletions(-)
+
+diff --git a/tests/Makefile.in b/tests/Makefile.in
+index 9451a6f..46c027c 100644
+--- a/tests/Makefile.in
++++ b/tests/Makefile.in
+@@ -810,29 +810,6 @@ TESTS = test-xserver-fail-start test-greeter-fail-start \
+ test-wayland-autologin test-wayland-greeter \
+ test-wayland-session test-invalid-seat \
+ test-seatdefaults-still-supported \
+- test-autologin-timeout-python \
+- test-autologin-guest-timeout-python \
+- test-autologin-session-timeout-python \
+- test-cancel-authentication-python test-sessions-python \
+- test-users-python test-login-python test-login-manual-python \
+- test-login-manual-previous-session-python \
+- test-login-no-password-python test-login-long-username-python \
+- test-login-long-password-python test-login-two-factor-python \
+- test-login-new-authtok-python test-login-info-prompt-python \
+- test-login-multi-info-prompt-python \
+- test-login-previous-session-python \
+- test-login-wrong-password-python \
+- test-login-invalid-user-python \
+- test-login-invalid-session-python test-login-logout-python \
+- test-login-pick-session-python \
+- test-login-remember-session-python \
+- test-login-manual-remember-session-python \
+- test-login-guest-python test-login-guest-pick-session-python \
+- test-login-guest-disabled-python \
+- test-login-guest-no-setup-script-python \
+- test-login-guest-fail-setup-script-python \
+- test-login-guest-logout-python \
+- test-login-remote-session-python test-power-python \
+ $(am__append_1) $(am__append_2)
+ EXTRA_DIST = \
+ $(TESTS) \
+--
+2.25.1
+
--
2.26.1
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From 3474c4025451a3554ef33ab0712bb40f5626ef6e Mon Sep 17 00:00:00 2001
From: L p R n d n <guix@lprndn.info>
Date: Tue, 16 Apr 2019 13:50:58 +0200
Subject: [PATCH 04/10] gnu: lightdm-gtk-greeter: Fix at-spi runtime
dependency.
* gnu/packages/display-manager.scm (lightdm): Fix at-spi runtime dependency.
[inputs]: Add at-spi2-core.
[arguments]: Add '--enable-at-spi-command' configure flag.
---
gnu/packages/display-managers.scm | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/gnu/packages/display-managers.scm b/gnu/packages/display-managers.scm
index e8fae583f1..65f7d6ed79 100644
--- a/gnu/packages/display-managers.scm
+++ b/gnu/packages/display-managers.scm
@@ -204,7 +204,13 @@ display manager which supports different greeters.")
("pkg-config" ,pkg-config)))
(inputs
`(("lightdm" ,lightdm)
+ ("at-spi2-core" ,at-spi2-core)
("gtk+" ,gtk+)))
+ (arguments
+ `(#:configure-flags
+ (list (string-append "--enable-at-spi-command="
+ (assoc-ref %build-inputs "at-spi2-core")
+ "/libexec/at-spi-bus-launcher"))))
(synopsis "GTK+ greeter for LightDM")
(home-page "https://launchpad.net/lightdm-gtk-greeter")
(description "This package provides a LightDM greeter implementation using
--
2.26.1
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[-- Attachment #6: 0005-gnu-lightdm-gtk-greeter-Fix-.desktop-file.patch --]
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From 86af8348bd21d24856ba48aa067322e08f791551 Mon Sep 17 00:00:00 2001
From: L p R n d n <guix@lprndn.info>
Date: Tue, 16 Apr 2019 13:58:26 +0200
Subject: [PATCH 05/10] gnu: lightdm-gtk-greeter: Fix .desktop file.
* gnu/packages/display-managers.scm (lightdm-gtk-greeter): Fix .desktop file
path.
[arguments]: Add fix-.desktop-path phase.
---
gnu/packages/display-managers.scm | 12 +++++++++++-
1 file changed, 11 insertions(+), 1 deletion(-)
diff --git a/gnu/packages/display-managers.scm b/gnu/packages/display-managers.scm
index 65f7d6ed79..fa9b47e2f2 100644
--- a/gnu/packages/display-managers.scm
+++ b/gnu/packages/display-managers.scm
@@ -210,7 +210,17 @@ display manager which supports different greeters.")
`(#:configure-flags
(list (string-append "--enable-at-spi-command="
(assoc-ref %build-inputs "at-spi2-core")
- "/libexec/at-spi-bus-launcher"))))
+ "/libexec/at-spi-bus-launcher"))
+ #:phases
+ (modify-phases %standard-phases
+ (add-after 'install 'fix-.desktop-path
+ (lambda* (#:key outputs #:allow-other-keys)
+ (let ((out (assoc-ref outputs "out")))
+ (substitute* (string-append
+ out "/share/xgreeters/lightdm-gtk-greeter.desktop")
+ (("Exec=lightdm-gtk-greeter")
+ (string-append "Exec=" out "/sbin/lightdm-gtk-greeter")))
+ #t))))))
(synopsis "GTK+ greeter for LightDM")
(home-page "https://launchpad.net/lightdm-gtk-greeter")
(description "This package provides a LightDM greeter implementation using
--
2.26.1
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From d007dad08e28a613ff787a8cd2f2461d965605ba Mon Sep 17 00:00:00 2001
From: L p R n d n <guix@lprndn.info>
Date: Tue, 16 Apr 2019 14:17:18 +0200
Subject: [PATCH 06/10] gnu: lightdm-gtk-greeter: Wrap binary.
* gnu/package/display-managers.scm (lightdm-gtk-greeter): Wrap binary.
[inputs]: Add shared-mime-info.
[arguments]: Add wrap-program phase.
---
gnu/packages/display-managers.scm | 17 ++++++++++++++++-
1 file changed, 16 insertions(+), 1 deletion(-)
diff --git a/gnu/packages/display-managers.scm b/gnu/packages/display-managers.scm
index fa9b47e2f2..ecc006ae3c 100644
--- a/gnu/packages/display-managers.scm
+++ b/gnu/packages/display-managers.scm
@@ -204,6 +204,7 @@ display manager which supports different greeters.")
("pkg-config" ,pkg-config)))
(inputs
`(("lightdm" ,lightdm)
+ ("shared-mime-info" ,shared-mime-info)
("at-spi2-core" ,at-spi2-core)
("gtk+" ,gtk+)))
(arguments
@@ -220,7 +221,21 @@ display manager which supports different greeters.")
out "/share/xgreeters/lightdm-gtk-greeter.desktop")
(("Exec=lightdm-gtk-greeter")
(string-append "Exec=" out "/sbin/lightdm-gtk-greeter")))
- #t))))))
+ #t)))
+ (add-after 'fix-.desktop-path 'wrap-program
+ ;; try to mimic glib-or-gtk build system
+ ;; which doesn't wrap files in /sbin
+ (lambda* (#:key outputs inputs #:allow-other-keys)
+ (wrap-program (string-append (assoc-ref outputs "out")
+ "/sbin/lightdm-gtk-greeter")
+ `("XDG_DATA_DIRS" ":" prefix
+ ,(cons "/run/current-system/profile/share"
+ (map (lambda (pkg)
+ (string-append (assoc-ref inputs pkg) "/share"))
+ '("gtk+" "shared-mime-info" "glib"))))
+ `("GTK_PATH" ":" prefix (,(assoc-ref inputs "gtk+")))
+ `("GIO_EXTRA_MODULES" ":" prefix (,(assoc-ref inputs "gtk+"))))
+ #t)))))
(synopsis "GTK+ greeter for LightDM")
(home-page "https://launchpad.net/lightdm-gtk-greeter")
(description "This package provides a LightDM greeter implementation using
--
2.26.1
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[-- Attachment #8: 0007-gnu-lightdm-Build-accountsservice-files.patch --]
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From c2ed7ecd53808284386bbaea8dff9f4450653612 Mon Sep 17 00:00:00 2001
From: L p R n d n <guix@lprndn.info>
Date: Tue, 16 Apr 2019 19:46:44 +0200
Subject: [PATCH 07/10] gnu: lightdm: Build accountsservice files.
* gnu/packages/display-managers.scm (lightdm)[native-inputs]: Add accountsservice.
---
gnu/packages/display-managers.scm | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/gnu/packages/display-managers.scm b/gnu/packages/display-managers.scm
index ecc006ae3c..f855b17e3f 100644
--- a/gnu/packages/display-managers.scm
+++ b/gnu/packages/display-managers.scm
@@ -166,7 +166,8 @@ create smooth, animated user interfaces.")
("libgcrypt" ,libgcrypt)
("libxcb" ,libxcb)))
(native-inputs
- `(("gobject-introspection" ,gobject-introspection)
+ `(("accountsservice" ,accountsservice)
+ ("gobject-introspection" ,gobject-introspection)
("pkg-config" ,pkg-config)
("itstool" ,itstool)
("intltool" ,intltool)
--
2.26.1
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[-- Attachment #9: 0008-gnu-lightdm-gtk-greeter-Fix-some-warnings.patch --]
[-- Type: text/x-patch, Size: 1127 bytes --]
From 396efb44d1976fd9d5b398782f999e4da8f58ecb Mon Sep 17 00:00:00 2001
From: L p R n d n <guix@lprndn.info>
Date: Wed, 17 Apr 2019 12:44:07 +0200
Subject: [PATCH 08/10] gnu: lightdm-gtk-greeter: Fix some warnings.
* gnu/packages/display-managers.scm (lightdm-gtk-greeter): Fix some warnings.
[arguments]: Add '--disable-indicator-services-command' configure flags.
---
gnu/packages/display-managers.scm | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/gnu/packages/display-managers.scm b/gnu/packages/display-managers.scm
index f855b17e3f..0a9ae8ee61 100644
--- a/gnu/packages/display-managers.scm
+++ b/gnu/packages/display-managers.scm
@@ -210,7 +210,8 @@ display manager which supports different greeters.")
("gtk+" ,gtk+)))
(arguments
`(#:configure-flags
- (list (string-append "--enable-at-spi-command="
+ (list "--disable-indicator-services-command"
+ (string-append "--enable-at-spi-command="
(assoc-ref %build-inputs "at-spi2-core")
"/libexec/at-spi-bus-launcher"))
#:phases
--
2.26.1
[-- Attachment #10: 0009-services-Add-lightdm-service-type.patch --]
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From 0ec82b2ec999d0e28d16912eae1e2848bb0b3cfe Mon Sep 17 00:00:00 2001
From: L p R n d n <guix@lprndn.info>
Date: Thu, 18 Apr 2019 17:58:56 +0200
Subject: [PATCH 09/10] services: Add lightdm-service-type.
* gnu/services/lightdm.scm: Add file
(<lightdm-configuration>, <lightdm-seat-configuration>,
<lightdm-gtk-greeter-configuration>): New record types.
(lightdm-seat-configuration->list, lightdm-configuration-file,
lightdm-pam-services, lightdm-pam-service, lightdm-etc-service,
lightdm-shepherd-service, lightdm-profile-service,
lightdm-gtk-greeter-configuration-file, lightdm-gtk-greeter-profile-service,
lightdm-gtk-greeter-lightdm-service, lightdm-gtk-greeter-etc-service): New
procedures.
(%lightdm-accounts, %lightdm-activation, lightdm-greeter-pam-service,
lightdm-autologin-pam-service, lightdm-service-type,
lightdm-gtk-greeter-service-type): New variables.
* doc/guix.texi (X Window): Add documentation.
* gnu/local.mk (GNU_SYSTEM_MODULES): Add it.
---
doc/guix.texi | 129 ++++++++++++
gnu/local.mk | 1 +
gnu/services/lightdm.scm | 430 +++++++++++++++++++++++++++++++++++++++
3 files changed, 560 insertions(+)
create mode 100644 gnu/services/lightdm.scm
diff --git a/doc/guix.texi b/doc/guix.texi
index ef5f68db24..c244203dd9 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -14726,6 +14726,135 @@ auto-login session.
@end table
@end deftp
+@defvr {Scheme Variable} lightdm-service-type
+Service type for the LightDM graphical login manager.
+It uses the @code{lightdm-gtk-greeter} as default greeter.
+See @code{lightdm-configuration} below for configuration and greeters'
+services for their specific configuration.
+@end defvr
+
+@deftp {Data Type} lightdm-configuration
+Data type representing the lightDM service configuration.
+
+@table @asis
+@item @code{lightdm} (default: @code{lightdm})
+The LightDM package to use.
+
+@item @code{allow-empty-passwords?} (default: @code{#f})
+Whether to allow logins with empty passwords.
+
+@item @code{xorg-configuration} (default: @code{(xorg-configuration)})
+Default configuration of the Xorg graphical server. This configuration
+will be used for all seats unless explicitly defined.
+
+@item @code{sessions-directory} (default:"/run/current-system/profile/share/xsessions:/run/current-system/profile/share/wayland-sessions")
+Directories where LightDM will search for sessions' @code{.desktop} files.
+
+@item @code{remote-sessions-directory} (default:"/run/current-system/profile/share/remote-session")
+Directories where LightDM will search for remote sessions'
+@code{.desktop} files.
+
+@item @code{seats} (default: @code{'()})
+A list of @code{lightdm-seat-configuration} records (see below)
+to include in configuration. Note that needed additional packages or
+configuration will need to be done manually. Thus, we recommend using a
+greeter service for defining seats. If none are provided here or by a greeter,
+a fallback one is added.
+
+@item @code{extra-config} (default: @code{'()})
+A list of strings each describing a custom setting to append to the LightDM
+configuration.
+
+@end table
+@end deftp
+
+@deftp {Data Type} lightdm-seat-configuration
+Record representing a seat configuration for LightDM.
+
+@table @asis
+@item @code{name-glob} (default: @code{"*"})
+Seat configuration is matched to all seats matching the name glob.
+
+@item @code{type} (default @code{"local"})
+Type of seat. @code{"local"} or @code{"xremote"}.
+
+@item @code{xorg-configuration} (default: @code{#f})
+Configuration of the Xorg graphical server.
+
+@item @code{session-wrapper} (default: @code{(xinitrc)})
+Script to run before starting a X session.
+
+@item @code{greeter-session} (default: "lightdm-gtk-greeter")
+The name of the greeter to be used for this seat.
+
+@item @code{default-user-session} (default: "")
+The name of the default @code{.desktop} file describing a session.
+Will be used for @code{user-session} and @code{autologin-session} if necessary.
+
+@item @code{autologin-user} (default: "")
+If @code{autologin-user} is set, LightDM logs in directly
+as @code{autologin-user} to the session defined in
+@code{default-user-session}. This user should be part of the
+@code{autologin} group.
+
+@item @code{extra-config} (default: @code{'()})
+A list of strings each describing a custom setting to append to the seat
+configuration.
+
+@end table
+@end deftp
+
+@defvr {Scheme Variable} lightdm-gtk-greeter-service-type
+Service type for the lightdm-gtk-greeter for LightDM.
+See @code{lightdm-gtk-greeter-configuration} below for configuration.
+@end defvr
+
+@deftp {Data Type} lightdm-gtk-greeter-configuration
+This data type represents the configuration for ligtdm-gtk-greeter.
+Use it as an argument of lightdm-gtk-greeter-configuration-file to
+get the corresponding file.
+
+@table @asis
+@item @code{lightdm-gtk-greeter} (default: @code{lightdm-gtk-greeter})
+lightdm-gtk-greeter package to use.
+
+@item @code{assets} (default: @code{(list adwaita-icon-theme gnome-themes-standard)})
+A list of packages needed by the greeter: icons, themes, fonts etc.
+
+@item @code{theme-name} (default: "Adwaita")
+The name of the GTK+ theme to be used.
+
+@item @code{icon-theme-name} (default: "Adwaita")
+The name of the icon theme to be used for displaying icons.
+
+@item @code{cursor-theme-name} (default: "Adwaita")
+The name of the theme to be used for the cursor.
+
+@item @code{cursor-size} (default: @code{16})
+The size of the cursor.
+
+@item @code{background} (default: @code{(file-append %artwork-repository "/grub/GuixSD-fully-black-16-9.svg")})
+Path to the background image to be used.
+
+@item @code{a11y-state} (default: "contrast font keyboard reader")
+String describing states of accessibility features. @code{"name"} saves state
+on exit, @code{"-name"} disables at start and @code{"+name"} enables it.
+
+@item @code{reader} (default: "")
+Command to launch screen reader.
+
+@item @code{seats} (default: @code{'()})
+List of @code{lightdm-seat-configuration} records (see above) to add to
+lightdm.conf through extension. @code{greeter-session} fields
+will be forced to @code{"lightdm-gtk-greeter"}
+
+@item @code{extra-config} (default: @code{'()})
+A list of string each describing a custom setting to append to the greeter
+configuration.
+
+@end table
+@end deftp
+
@cindex Xorg, configuration
@deftp {Data Type} xorg-configuration
This data type represents the configuration of the Xorg graphical display
diff --git a/gnu/local.mk b/gnu/local.mk
index 880adcd457..8ade7e4b01 100644
--- a/gnu/local.mk
+++ b/gnu/local.mk
@@ -568,6 +568,7 @@ GNU_SYSTEM_MODULES = \
%D%/services/getmail.scm \
%D%/services/guix.scm \
%D%/services/kerberos.scm \
+ %D%/services/lightdm.scm \
%D%/services/linux.scm \
%D%/services/lirc.scm \
%D%/services/virtualization.scm \
diff --git a/gnu/services/lightdm.scm b/gnu/services/lightdm.scm
new file mode 100644
index 0000000000..52f71f5437
--- /dev/null
+++ b/gnu/services/lightdm.scm
@@ -0,0 +1,430 @@
+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2019,2020 L p R n d n <guix@lprndn.info>
+;;;
+;;; This file is part of GNU Guix.
+;;;
+;;; GNU Guix is free software; you can redistribute it and/or modify it
+;;; under the terms of the GNU General Public License as published by
+;;; the Free Software Foundation; either version 3 of the License, or (at
+;;; your option) any later version.
+;;;
+;;; GNU Guix is distributed in the hope that it will be useful, but
+;;; WITHOUT ANY WARRANTY; without even the implied warranty of
+;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+;;; GNU General Public License for more details.
+;;;
+;;; You should have received a copy of the GNU General Public License
+;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
+
+
+(define-module (gnu services lightdm)
+ #:use-module (srfi srfi-1)
+ #:use-module (ice-9 match)
+ #:use-module (ice-9 receive)
+
+ #:use-module (guix gexp)
+ #:use-module (guix records)
+
+ #:use-module (gnu artwork)
+ #:use-module (gnu system pam)
+ #:use-module (gnu system shadow)
+
+ #:use-module (gnu services)
+ #:use-module (gnu services dbus)
+ #:use-module (gnu services desktop)
+ #:use-module (gnu services shepherd)
+ #:use-module (gnu services xorg)
+
+ #:use-module (gnu packages admin)
+ #:use-module (gnu packages display-managers)
+ #:use-module (gnu packages freedesktop)
+ #:use-module (gnu packages gnome)
+ #:use-module (gnu packages xorg)
+
+ #:export (lightdm-seat-configuration
+
+ lightdm-configuration
+ lightdm-configuration?
+ lightdm-service-type
+
+ lightdm-gtk-greeter-configuration
+ lightdm-gtk-greeter-configuration?
+ lightdm-gtk-greeter-service-type))
+
+
+;; LIGHTDM
+
+(define-record-type* <lightdm-seat-configuration>
+ lightdm-seat-configuration make-lightdm-seat-configuration
+ lightdm-seat-configuration?
+ (name-glob lightdm-seat-configuration-name-glob
+ (default "*"))
+ (type lightdm-seat-configuration-type
+ (default "local"))
+ (xorg-configuration lightdm-seat-configuration-xorg-configuration
+ (default #f))
+ (session-wrapper lightdm-seat-configuration-session-wrapper
+ (default (xinitrc)))
+ (greeter-session lightdm-seat-configuration-greeter-session
+ (default "lightdm-gtk-greeter"))
+ (default-user-session lightdm-seat-configuration-default-user-session
+ (default ""))
+ (autologin-user lightdm-seat-configuration-autologin-user
+ (default ""))
+ (extra-config lightdm-seat-configuration-extra-config
+ (default '())))
+
+
+(define (lightdm-seat-configuration->list seat default-xorg-configuration)
+ "Given a seat, outputs a list to be used by mixed-text-file through `apply."
+ (match-record seat <lightdm-seat-configuration>
+ (name-glob
+ type xorg-configuration session-wrapper
+ greeter-session default-user-session
+ autologin-user extra-config)
+ (list "
+ [Seat:" name-glob "]
+ type = " type
+ ;; If no xorg-configuration is set by the seat use the one provided
+ ;; by the lightdm service
+ "
+ xserver-command = " (xorg-start-command
+ (or xorg-configuration
+ default-xorg-configuration))
+ "
+ session-wrapper = " session-wrapper "
+ greeter-session = " greeter-session
+ (if (string-null? default-user-session) ""
+ (string-append "
+ user-session = " default-user-session)) "
+ "
+ ;; Turn autologin ON if autologin-user is set
+ (if (string-null? autologin-user) ""
+ (string-append "
+ autologin-user = " autologin-user "
+ autologin-session = " default-user-session)) "
+ " (if (null? extra-config) ""
+ (string-join extra-config "\n")) "
+ ")))
+
+
+(define-record-type* <lightdm-configuration>
+ lightdm-configuration make-lightdm-configuration
+ lightdm-configuration?
+ ;; General configuration
+ (lightdm lightdm-configuration-lightdm
+ (default lightdm))
+ (allow-empty-passwords? lightdm-configuration-allow-empty-passwords?
+ (default #f))
+ (sessions-directory
+ lightdm-configuration-sessions-directory
+ (default (string-append
+ "/run/current-system/profile/share/xsessions"
+ ":/run/current-system/profile/share/wayland-sessions")))
+ (greeters-directory lightdm-configuration-greeters-directory
+ (default "/run/current-system/profile/share/xgreeters"))
+ (remote-sessions-directory lightdm-configuration-remote-sessions-directory
+ (default (string-append
+ "/run/current-system/profile/"
+ "share/remote-sessions")))
+ ;; Having a xorg-configuration field here allows us
+ ;; to benefit from set-xorg-configuration.
+ (xorg-configuration lightdm-configuration-xorg-configuration
+ (default (xorg-configuration)))
+ (seats lightdm-configuration-seats
+ (default '()))
+ (extra-config lightdm-configuration-extra-config
+ (default '())))
+
+(define (lightdm-configuration-file config)
+ (match-record config <lightdm-configuration>
+ (allow-empty-passwords?
+ sessions-directory greeters-directory
+ remote-sessions-directory xorg-configuration
+ seats extra-config)
+ ;; Little trick to allow unquote-splicing of seats
+ (apply mixed-text-file `("lightdm.conf" "
+[LightDM]
+greeter-user = lightdm
+greeters-directory = " ,greeters-directory "
+sessions-directory = " ,sessions-directory "
+remote-sessions-directory = " ,remote-sessions-directory "
+
+#Seats
+ " ,@(if (null? seats)
+ (lightdm-seat-configuration->list (lightdm-seat-configuration)
+ xorg-configuration)
+ (concatenate (map (lambda (seat)
+ (lightdm-seat-configuration->list seat xorg-configuration))
+ seats))) "
+#Extra config
+" ,(if (null? extra-config) ""
+ (string-join extra-config "\n"))
+"
+"))))
+
+(define %lightdm-accounts
+ (list (user-group (name "lightdm") (system? #t))
+ (user-account
+ (name "lightdm")
+ (group "lightdm")
+ (system? #t)
+ (comment "LightDM user")
+ (home-directory "/var/lib/lightdm")
+ (shell (file-append shadow "/sbin/nologin")))))
+
+(define %lightdm-activation
+ ;; Ensure /var/lib/lightdm is owned by the "lightdm" user.
+ ;; Mimics what is done for gdm
+ ;; see a43e9157ef479e94c19951cc9d228cf153bf78ee
+ (with-imported-modules '((guix build utils))
+ #~(begin
+ (use-modules (guix build utils))
+
+ (define (ensure-ownership directory)
+ (let* ((lightdm (getpwnam "lightdm"))
+ (uid (passwd:uid lightdm))
+ (gid (passwd:gid lightdm))
+ (st (stat directory #f)))
+ ;; Recurse into directory only if it has wrong ownership.
+ (when (and st
+ (or (not (= uid (stat:uid st)))
+ (not (= gid (stat:gid st)))))
+ (for-each (lambda (file)
+ (chown file uid gid))
+ (find-files "directory"
+ #:directories? #t)))))
+
+ (when (not (stat "/var/lib/lightdm-data" #f))
+ (mkdir-p "/var/lib/lightdm-data"))
+ (for-each ensure-ownership
+ '("/var/lib/lightdm"
+ "/var/lib/lightdm-data")))))
+
+(define (lightdm-pam-service config)
+ "Return a PAM service for @command{lightdm}."
+ (unix-pam-service
+ "lightdm"
+ #:login-uid? #t
+ #:allow-empty-passwords?
+ (lightdm-configuration-allow-empty-passwords? config)))
+
+
+(define (lightdm-greeter-pam-service)
+ "Return a PAM service for @command{lightdm-greeter}}."
+ (pam-service
+ (name "lightdm-greeter")
+ (auth
+ (list
+ ;; Load environment from /etc/environment and ~/.pam_environment
+ (pam-entry (control "required") (module "pam_env.so"))
+ ;; Always let the greeter start without authentication
+ (pam-entry (control "required") (module "pam_permit.so"))))
+ ;; No action required for account management
+ (account
+ (list
+ (pam-entry (control "required") (module "pam_permit.so"))))
+ ;; Can't change password
+ (password
+ (list
+ (pam-entry (control "required") (module "pam_deny.so"))))
+ ;; Setup session
+ (session
+ (list
+ (pam-entry (control "required") (module "pam_unix.so"))))))
+
+
+(define (lightdm-autologin-pam-service)
+ "Return a PAM service for @command{lightdm-autologin}}."
+ (pam-service
+ (name "lightdm-autologin")
+ (auth
+ (list
+ ;; Block login if they are globally disabled
+ (pam-entry (control "required") (module "pam_nologin.so"))
+
+ (pam-entry (control "required") (module "pam_succeed_if.so")
+ (arguments (list "uid >= 1000")))
+ ;; Allow access without authentication
+ (pam-entry (control "required") (module "pam_permit.so"))))
+ ;; Stop autologin if account requires action
+ (account
+ (list
+ (pam-entry (control "required") (module "pam_unix.so"))))
+ ;; Can't change password
+ (password
+ (list
+ (pam-entry (control "required") (module "pam_deny.so"))))
+ ;; Setup session
+ (session
+ (list
+ (pam-entry (control "required") (module "pam_unix.so"))))))
+
+(define (lightdm-pam-services config)
+ (list (lightdm-pam-service config)
+ (lightdm-greeter-pam-service)
+ (lightdm-autologin-pam-service)))
+
+(define (lightdm-shepherd-service config)
+ "Return a <lightdm-service> for LightDM with CONFIG."
+
+ (define lightdm-command
+ #~(list #$(file-append (lightdm-configuration-lightdm config)
+ "/sbin/lightdm")))
+
+ (list (shepherd-service
+ (documentation "LightDM display manager.")
+ (requirement '(dbus-system user-processes host-name))
+ (provision '(display-manager xorg-server))
+ (respawn? #f)
+ (start #~(lambda ()
+ (fork+exec-command
+ #$lightdm-command
+ #:environment-variables
+ (list
+ (string-append
+ "PATH=/run/current-system/profile/sbin"
+ ":/run/current-system/profile/bin")))))
+ (stop #~(make-kill-destructor)))))
+
+(define (lightdm-etc-service config)
+ `(("xdg/lightdm/lightdm.conf.d/lightdm.conf"
+ ,(lightdm-configuration-file config))))
+
+(define (lightdm-profile-service config)
+ ;; In case no seats are provided, we fall back on a default one
+ ;; with lightdm-gtk-greeter. Add necessary packages.
+ (let ((seats (lightdm-configuration-seats config))
+ (lightdm (lightdm-configuration-lightdm config)))
+ (if (null? seats)
+ (list lightdm lightdm-gtk-greeter)
+ (list lightdm))))
+
+(define lightdm-service-type
+ ;; (handle-xorg-configuration lightdm-configuration)
+ (service-type (name 'lightdm)
+ (extensions
+ (list
+ (service-extension shepherd-root-service-type
+ lightdm-shepherd-service)
+ (service-extension activation-service-type
+ (const %lightdm-activation))
+ (service-extension pam-root-service-type
+ lightdm-pam-services)
+ (service-extension dbus-root-service-type
+ (compose list
+ lightdm-configuration-lightdm))
+ (service-extension account-service-type
+ (const %lightdm-accounts))
+ (service-extension etc-service-type
+ lightdm-etc-service)
+ (service-extension profile-service-type
+ lightdm-profile-service)))
+ ;; LightDM is extended with lists of seats
+ ;; or with a xorg-configuration by set-xorg-configuration
+ ;; Deal with both cases.
+ (compose
+ (lambda (extensions)
+ (receive (xorg-configuration-extensions
+ seats-extensions)
+ (partition xorg-configuration? extensions)
+ (list `("xorg-configuration" .
+ ;; Mimic handle-xorg-configuration
+ ,(match xorg-configuration-extensions
+ (() #f)
+ ((config . _) config)))
+ `("seats" . ,(concatenate seats-extensions))))))
+ (extend (lambda (config extensions)
+ (lightdm-configuration
+ (inherit config)
+ (xorg-configuration
+ (or (assoc-ref extensions "xorg-configuration")
+ (lightdm-configuration-xorg-configuration config)))
+ (seats (append (assoc-ref extensions "seats")
+ (lightdm-configuration-seats config))))))
+ (default-value (lightdm-configuration))
+ (description "Return a service that spawns the
+ LightDM graphical login manager.")))
+
+;; GREETERS
+
+(define-record-type* <lightdm-gtk-greeter-configuration>
+ lightdm-gtk-greeter-configuration make-lightdm-gtk-greeter-configuration
+ lightdm-gtk-greeter-configuration?
+
+ (lightdm-gtk-greeter lightdm-gtk-greeter-configuration-lightdm-gtk-greeter
+ (default lightdm-gtk-greeter))
+ (assets lightdm-gtk-greeter-configuration-assets
+ (default (list adwaita-icon-theme
+ gnome-themes-standard)))
+ (theme-name lightdm-gtk-greeter-configuration-theme-name
+ (default "Adwaita"))
+ (icon-theme-name
+ lightdm-gtk-greeter-configuration-icon-theme-name
+ (default "Adwaita"))
+ (cursor-theme-name
+ lightdm-gtk-greeter-configuration-cursor-theme-name
+ (default "Adwaita"))
+ (cursor-theme-size lightdm-gtk-greeter-configuration-cursor-theme-size
+ (default 16))
+ (background lightdm-gtk-greeter-configuration-background
+ (default (file-append %artwork-repository
+ "/grub/GuixSD-fully-black-16-9.svg")))
+ (a11y-states lightdm-gtk-greeter-a11y-states
+ (default "contrast; font; keyboard; reader"))
+ (reader lightdm-gtk-greeter-reader
+ (default #f))
+ (seats lightdm-gtk-greeter-configuration-seats
+ (default (list (lightdm-seat-configuration))))
+ (extra-config lightdm-gtk-greeter-configuration-extra-config
+ (default '())))
+
+(define (lightdm-gtk-greeter-configuration-file config)
+ (match-record config <lightdm-gtk-greeter-configuration>
+ (theme-name icon-theme-name cursor-theme-name
+ cursor-theme-size background a11y-states
+ reader extra-config)
+ (mixed-text-file "lightdm-gtk-greeter.conf" "
+[greeter]
+theme-name = " theme-name "
+icon-theme-name = " icon-theme-name "
+cursor-theme-name = " cursor-theme-name "
+cursor-theme-size = " (number->string cursor-theme-size) "
+background = " background "
+a11y-states = " a11y-states "
+" (if reader (string-append "reader = " reader)
+ "") "
+" (if (null? extra-config) ""
+ (string-join extra-config "\n")))))
+
+(define (lightdm-gtk-greeter-lightdm-service config)
+ ;; Enforce greeter-session field to lightdm-gtk-greeter
+ (map
+ (lambda (seat)
+ (lightdm-seat-configuration
+ (inherit seat)
+ (greeter-session "lightdm-gtk-greeter")))
+ (lightdm-gtk-greeter-configuration-seats config)))
+
+(define (lightdm-gtk-greeter-etc-service config)
+ `(("xdg/lightdm/lightdm-gtk-greeter.conf"
+ ,(lightdm-gtk-greeter-configuration-file config))))
+
+(define (lightdm-gtk-greeter-profile-service config)
+ (cons (lightdm-gtk-greeter-configuration-lightdm-gtk-greeter config)
+ (lightdm-gtk-greeter-configuration-assets config)))
+
+(define lightdm-gtk-greeter-service-type
+ (service-type (name 'lightdm-gtk-greeter)
+ (extensions
+ (list
+ (service-extension lightdm-service-type
+ lightdm-gtk-greeter-lightdm-service)
+ (service-extension etc-service-type
+ lightdm-gtk-greeter-etc-service)
+ (service-extension profile-service-type
+ lightdm-gtk-greeter-profile-service)))
+ (default-value (lightdm-gtk-greeter-configuration))
+ (description
+ "Set-up lightdm-gtk-greeter as well
+as its configuration file and extends LightDM with its seats.")))
--
2.26.1
[-- Warning: decoded text below may be mangled, UTF-8 assumed --]
[-- Attachment #11: 0010-gnu-lightdm-gtk-greeter-Set-XCURSOR_PATH-in-wrapper.patch --]
[-- Type: text/x-patch, Size: 1727 bytes --]
From bbdb165bd0a0d91b0ef961fec81060a0f376c25f Mon Sep 17 00:00:00 2001
From: L p R n d n <guix@lprndn.info>
Date: Fri, 17 Apr 2020 11:53:51 +0200
Subject: [PATCH 10/10] gnu: lightdm-gtk-greeter: Set XCURSOR_PATH in wrapper.
* gnu/packages/display-managers.scm (lightdm-gtk-greeter)[arguments]:
Modify wrap-program phase to add XCURSOR_PATH.
---
gnu/packages/display-managers.scm | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/gnu/packages/display-managers.scm b/gnu/packages/display-managers.scm
index 0a9ae8ee61..43ca05bee4 100644
--- a/gnu/packages/display-managers.scm
+++ b/gnu/packages/display-managers.scm
@@ -232,11 +232,12 @@ display manager which supports different greeters.")
"/sbin/lightdm-gtk-greeter")
`("XDG_DATA_DIRS" ":" prefix
,(cons "/run/current-system/profile/share"
- (map (lambda (pkg)
- (string-append (assoc-ref inputs pkg) "/share"))
- '("gtk+" "shared-mime-info" "glib"))))
+ (map (lambda (pkg)
+ (string-append (assoc-ref inputs pkg) "/share"))
+ '("gtk+" "shared-mime-info" "glib"))))
`("GTK_PATH" ":" prefix (,(assoc-ref inputs "gtk+")))
- `("GIO_EXTRA_MODULES" ":" prefix (,(assoc-ref inputs "gtk+"))))
+ `("GIO_EXTRA_MODULES" ":" prefix (,(assoc-ref inputs "gtk+")))
+ `("XCURSOR_PATH" ":" prefix ("/run/current-system/profile/share/icons")))
#t)))))
(synopsis "GTK+ greeter for LightDM")
(home-page "https://launchpad.net/lightdm-gtk-greeter")
--
2.26.1
next prev parent reply other threads:[~2020-04-22 15:27 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-04-17 14:24 [bug#35305] [WIP] LightDM service L p R n d n
2019-04-18 11:20 ` Jonathan Brielmaier
2019-05-23 11:04 ` [bug#35305] [PATCH] " L p R n d n
[not found] ` <handler.35305.B.155550391014002.ack@debbugs.gnu.org>
2019-04-18 13:20 ` [bug#35305] Acknowledgement ([WIP] LightDM service) L p R n d n
2019-04-18 16:03 ` L p R n d n
2019-08-26 15:58 ` L p R n d n
2020-03-15 21:50 ` Nicolò Balzarotti
2020-03-16 7:34 ` Efraim Flashner
2020-03-16 8:36 ` L p R n d n
2020-03-19 11:54 ` [bug#35305] LightDM service L p R n d n
2020-04-07 17:06 ` Brice Waegeneire
2020-04-09 16:02 ` L p R n d n
2020-04-12 9:53 ` Brice Waegeneire
2020-04-14 9:38 ` L p R n d n
2020-04-14 13:17 ` L p R n d n
2020-04-22 15:26 ` L p R n d n [this message]
2020-05-06 14:05 ` L p R n d n
2020-05-08 22:18 ` Ricardo Wurmus
2020-05-09 15:09 ` L p R n d n
2020-05-10 19:21 ` Ricardo Wurmus
2020-05-11 10:14 ` L p R n d n
2020-05-12 9:59 ` L p R n d n
2020-05-20 20:51 ` Ricardo Wurmus
2020-05-21 8:28 ` L p R n d n
2020-05-21 9:23 ` Ricardo Wurmus
2020-06-08 15:35 ` L p R n d n
2022-08-04 5:09 ` [bug#35305] [WIP] " Maxim Cournoyer
2020-06-19 14:47 ` [bug#35305] " L p R n d n
2022-08-04 2:19 ` [bug#35305] [WIP] " Maxim Cournoyer
2022-08-31 7:13 ` bug#35305: " Ricardo Wurmus
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