loginManager: Get the session ID from logind if XDG_SESSION_ID unset
If we're started by systemd, we won't be in the user's display session. However, this is still the session that will get locked & unlocked. Ask logind what the 'display' or 'greeter' session is, and watch for the Unlock signal for that session to know when to unlock. https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/137
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@ -40,14 +40,24 @@ const SystemdLoginSessionIface = '<node> \
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<signal name="Lock" /> \
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<signal name="Unlock" /> \
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<property name="Active" type="b" access="read" /> \
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<property name="Class" type="s" access="read" /> \
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<property name="Id" type="s" access="read" /> \
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<method name="SetLockedHint"> \
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<arg type="b" direction="in"/> \
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</method> \
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</interface> \
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</node>';
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const SystemdLoginUserIface = '<node> \
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<interface name="org.freedesktop.login1.User"> \
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<property name="Display" type="(so)" access="read" /> \
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<property name="Sessions" type="a(so)" access="read" /> \
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</interface> \
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</node>';
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const SystemdLoginManager = Gio.DBusProxy.makeProxyWrapper(SystemdLoginManagerIface);
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const SystemdLoginSession = Gio.DBusProxy.makeProxyWrapper(SystemdLoginSessionIface);
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const SystemdLoginUser = Gio.DBusProxy.makeProxyWrapper(SystemdLoginUserIface);
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function haveSystemd() {
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return GLib.access("/run/systemd/seats", 0) >= 0;
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@ -109,6 +119,9 @@ var LoginManagerSystemd = new Lang.Class({
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this._proxy = new SystemdLoginManager(Gio.DBus.system,
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'org.freedesktop.login1',
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'/org/freedesktop/login1');
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this._userProxy = new SystemdLoginUser(Gio.DBus.system,
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'org.freedesktop.login1',
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'/org/freedesktop/login1/user/self');
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this._proxy.connectSignal('PrepareForSleep',
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this._prepareForSleep.bind(this));
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},
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@ -121,9 +134,32 @@ var LoginManagerSystemd = new Lang.Class({
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let sessionId = GLib.getenv('XDG_SESSION_ID');
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if (!sessionId) {
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log('Unset XDG_SESSION_ID, getCurrentSessionProxy() called outside a user session.');
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log('Unset XDG_SESSION_ID, getCurrentSessionProxy() called outside a user session. Asking logind directly.');
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let [session, objectPath] = this._userProxy.Display;
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if (session) {
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log(`Will monitor session ${session}`);
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sessionId = session;
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} else {
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log('Failed to find "Display" session; are we the greeter?');
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for (let [session, objectPath] of this._userProxy.Sessions) {
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let sessionProxy = new SystemdLoginSession(Gio.DBus.system,
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'org.freedesktop.login1',
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objectPath);
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log(`Considering ${session}, class=${sessionProxy.Class}`);
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if (sessionProxy.Class == 'greeter') {
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log(`Yes, will monitor session ${session}`);
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sessionId = session;
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break;
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}
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}
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if (!sessionId) {
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log('No, failed to get session from logind.');
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return;
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}
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}
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}
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this._proxy.GetSessionRemote(sessionId, (result, error) => {
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if (error) {
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@ -697,7 +697,14 @@ var EndSessionDialog = new Lang.Class({
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if (proxy.State == 'closing')
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continue;
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if (proxy.Id == GLib.getenv('XDG_SESSION_ID'))
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let sessionId = GLib.getenv('XDG_SESSION_ID');
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if (!sessionId)
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this._loginManager.getCurrentSessionProxy(currentSessionProxy => {
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sessionId = currentSessionProxy.Id;
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log(`endSessionDialog: No XDG_SESSION_ID, fetched from logind: ${sessionId}`);
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});
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if (proxy.Id == sessionId)
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continue;
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let session = { user: this._userManager.get_user(userName),
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