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From ee8a65b3fd7636a60f8a2b2e509376cbbd8326cb Mon Sep 17 00:00:00 2001
From: Sven Eden <yamakuzure@gmx.net>
Date: Tue, 11 Dec 2018 16:59:28 +0100
Subject: [PATCH 2/2] Add elogind support

Closes: https://bugs.gentoo.org/620948
Signed-off-by: Ettore Di Giacinto <mudler@gentoo.org>
---
 configure.ac    | 20 +++++++++++++++++++-
 src/Makefile.am |  4 ++++
 src/pk-dbus.c   |  8 ++++----
 src/pk-engine.c | 12 ++++++------
 4 files changed, 33 insertions(+), 11 deletions(-)

diff --git a/configure.ac b/configure.ac
index 737c1d4dc..0778c57d3 100644
--- a/configure.ac
+++ b/configure.ac
@@ -216,7 +216,6 @@ if test x$enable_systemd = xyes; then
 		    AS_HELP_STRING([--with-systemdsystemunitdir=DIR], [Directory for systemd service files]),
 		    [has_systemdsystemunitdir=$with_systemdsystemunitdir],
 		    [has_systemdsystemunitdir=$($PKG_CONFIG --variable=systemdsystemunitdir systemd)])
-	AC_DEFINE(HAVE_SYSTEMD,1,[Build systemd code])
 	AC_SUBST([systemdsystemunitdir], [$has_systemdsystemunitdir])
 fi
 AM_CONDITIONAL(HAVE_SYSTEMD, [test -n "$has_systemdsystemunitdir"])
@@ -228,6 +227,24 @@ AC_ARG_ENABLE(offline-update, AS_HELP_STRING([--enable-offline-update],[enable o
 	      enable_offline_update=$enableval,enable_offline_update=yes)
 AM_CONDITIONAL(ENABLE_OFFLINE_UPDATE, [test x$enable_systemd = xyes -a x$enable_offline_update = xyes])
 
+dnl ---------------------------------------------------------------------------
+dnl - Use elogind instead of systemd-login
+dnl ---------------------------------------------------------------------------
+AC_ARG_ENABLE(elogind, AS_HELP_STRING([--enable-elogind],[enable elogind session tracker]),
+	      enable_elogind=$enableval,enable_elogind=no)
+if test x$enable_elogind = xyes; then
+	PKG_CHECK_MODULES(ELOGIND, [libelogind >= 229.4], [have_elogind=yes], [have_elogind=no])
+else
+	have_elogind=no
+fi
+
+dnl ---------------------------------------------------------------------------
+dnl --- Is systemd/sd-login.h, either from systemd or elogind, available?
+dnl ---------------------------------------------------------------------------
+if test -n "$has_systemdsystemunitdir" -o "x$have_elogind" != "xno" ; then
+		AC_DEFINE(HAVE_SYSTEMD_SD_LOGIN_H,1,[Build systemd-login code])
+fi
+
 dnl ---------------------------------------------------------------------------
 dnl - Generate man pages ? (default enabled)
 dnl ---------------------------------------------------------------------------
@@ -590,6 +607,7 @@ echo "
         cflags:                    ${CFLAGS}
         cppflags:                  ${CPPFLAGS}
         Able to run locally:       ${enable_local}
+        Use elogind:               ${enable_elogind}
         Use systemd:               ${enable_systemd}
         Enable offline update:     ${enable_offline_update}
         GStreamer plugin:          ${build_gstreamer_plugin}
diff --git a/src/Makefile.am b/src/Makefile.am
index 24c9a0b9a..468f31d04 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -9,6 +9,7 @@ AM_CPPFLAGS =						\
 	$(SQLITE_CFLAGS)				\
 	$(POLKIT_CFLAGS)				\
 	$(PYTHON_CFLAGS)				\
+	$(ELOGIND_CFLAGS)				\
 	$(SYSTEMD_CFLAGS)				\
 	-DPACKAGE_LOCALE_DIR=\"$(localedir)\"		\
 	-DBINDIR=\"$(bindir)\"				\
@@ -100,6 +101,7 @@ packagekit_direct_LDADD =				\
 	$(POLKIT_LIBS)					\
 	$(GIO_LIBS)					\
 	$(ARCHIVE_LIBS)					\
+	$(ELOGIND_LIBS)					\
 	$(SYSTEMD_LIBS)
 
 packagekit_direct_LDFLAGS =				\
@@ -128,6 +130,7 @@ packagekitd_LDADD =					\
 	$(POLKIT_LIBS)					\
 	$(GIO_LIBS)					\
 	$(ARCHIVE_LIBS)					\
+	$(ELOGIND_LIBS)					\
 	$(SYSTEMD_LIBS)
 
 packagekitd_LDFLAGS =					\
@@ -153,6 +156,7 @@ pk_self_test_LDADD =					\
 	$(POLKIT_LIBS)					\
 	$(GIO_LIBS)					\
 	$(ARCHIVE_LIBS)					\
+	$(ELOGIND_LIBS)					\
 	$(SYSTEMD_LIBS)
 
 pk_self_test_CPPFLAGS =					\
diff --git a/src/pk-dbus.c b/src/pk-dbus.c
index 0cf512f38..37cc1d83c 100644
--- a/src/pk-dbus.c
+++ b/src/pk-dbus.c
@@ -27,7 +27,7 @@
 #include <glib.h>
 #include <gio/gio.h>
 
-#ifdef HAVE_SYSTEMD
+#ifdef HAVE_SYSTEMD_SD_LOGIN_H
  #include <systemd/sd-login.h>
 #endif
 
@@ -177,7 +177,7 @@ pk_dbus_get_cmdline (PkDbus *dbus, const gchar *sender)
 	return cmdline;
 }
 
-#ifdef HAVE_SYSTEMD
+#ifdef HAVE_SYSTEMD_SD_LOGIN_H
 static gchar *
 pk_dbus_make_logind_session_id (const gchar *session)
 {
@@ -218,7 +218,7 @@ gchar *
 pk_dbus_get_session (PkDbus *dbus, const gchar *sender)
 {
 	gchar *session = NULL;
-#ifndef HAVE_SYSTEMD
+#ifndef HAVE_SYSTEMD_SD_LOGIN_H
 	g_autoptr(GError) error = NULL;
 #endif
 	guint pid;
@@ -248,7 +248,7 @@ pk_dbus_get_session (PkDbus *dbus, const gchar *sender)
 	}
 
 	/* get session from systemd or ConsoleKit */
-#ifdef HAVE_SYSTEMD
+#ifdef HAVE_SYSTEMD_SD_LOGIN_H
 	session = pk_dbus_get_session_systemd (pid);
 	if (session == NULL)
 		g_warning ("failed to get session for pid %u", pid);
diff --git a/src/pk-engine.c b/src/pk-engine.c
index f63058fbc..7ea87a448 100644
--- a/src/pk-engine.c
+++ b/src/pk-engine.c
@@ -98,7 +98,7 @@ struct PkEnginePrivate
 	guint			 owner_id;
 	GDBusNodeInfo		*introspection;
 	GDBusConnection		*connection;
-#ifdef HAVE_SYSTEMD
+#ifdef HAVE_SYSTEMD_SD_LOGIN_H
 	GDBusProxy		*logind_proxy;
 	gint			 logind_fd;
 #endif
@@ -256,7 +256,7 @@ pk_engine_emit_offline_property_changed (PkEngine *engine,
 static void
 pk_engine_inhibit (PkEngine *engine)
 {
-#ifdef HAVE_SYSTEMD
+#ifdef HAVE_SYSTEMD_SD_LOGIN_H
 	g_autoptr(GError) error = NULL;
 	g_autoptr(GUnixFDList) out_fd_list = NULL;
 	g_autoptr(GVariant) res = NULL;
@@ -303,7 +303,7 @@ pk_engine_inhibit (PkEngine *engine)
 static void
 pk_engine_uninhibit (PkEngine *engine)
 {
-#ifdef HAVE_SYSTEMD
+#ifdef HAVE_SYSTEMD_SD_LOGIN_H
 	if (engine->priv->logind_fd == 0)
 		return;
 	g_debug ("closed logind fd %i", engine->priv->logind_fd);
@@ -1701,7 +1701,7 @@ pk_engine_offline_method_call (GDBusConnection *connection_, const gchar *sender
 	}
 }
 
-#ifdef HAVE_SYSTEMD
+#ifdef HAVE_SYSTEMD_SD_LOGIN_H
 static void
 pk_engine_proxy_logind_cb (GObject *source_object,
 			   GAsyncResult *res,
@@ -1737,7 +1737,7 @@ pk_engine_on_bus_acquired_cb (GDBusConnection *connection,
 	/* save copy for emitting signals */
 	engine->priv->connection = g_object_ref (connection);
 
-#ifdef HAVE_SYSTEMD
+#ifdef HAVE_SYSTEMD_SD_LOGIN_H
 	/* connect to logind */
 	g_dbus_proxy_new (connection,
 			  G_DBUS_PROXY_FLAGS_DO_NOT_LOAD_PROPERTIES,
@@ -1883,7 +1883,7 @@ pk_engine_finalize (GObject *object)
 	if (engine->priv->connection != NULL)
 		g_object_unref (engine->priv->connection);
 
-#ifdef HAVE_SYSTEMD
+#ifdef HAVE_SYSTEMD_SD_LOGIN_H
 	/* uninhibit */
 	if (engine->priv->logind_fd != 0)
 		close (engine->priv->logind_fd);
-- 
2.19.2