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-rw-r--r--utils/gdmflexiserver.c545
1 files changed, 1 insertions, 544 deletions
diff --git a/utils/gdmflexiserver.c b/utils/gdmflexiserver.c
index 1c067cb4..3688fa4e 100644
--- a/utils/gdmflexiserver.c
+++ b/utils/gdmflexiserver.c
@@ -31,25 +31,6 @@
#include "common/gdm-common.h"
-#ifdef WITH_SYSTEMD
-#include <systemd/sd-login.h>
-#endif
-
-#define GDM_DBUS_NAME "org.gnome.DisplayManager"
-#define GDM_DBUS_LOCAL_DISPLAY_FACTORY_PATH "/org/gnome/DisplayManager/LocalDisplayFactory"
-#define GDM_DBUS_LOCAL_DISPLAY_FACTORY_INTERFACE "org.gnome.DisplayManager.LocalDisplayFactory"
-
-#ifdef WITH_CONSOLE_KIT
-#define CK_NAME "org.freedesktop.ConsoleKit"
-#define CK_PATH "/org/freedesktop/ConsoleKit"
-#define CK_INTERFACE "org.freedesktop.ConsoleKit"
-
-#define CK_MANAGER_PATH "/org/freedesktop/ConsoleKit/Manager"
-#define CK_MANAGER_INTERFACE "org.freedesktop.ConsoleKit.Manager"
-#define CK_SEAT_INTERFACE "org.freedesktop.ConsoleKit.Seat"
-#define CK_SESSION_INTERFACE "org.freedesktop.ConsoleKit.Session"
-#endif
-
static const char *send_command = NULL;
static gboolean use_xnest = FALSE;
static gboolean no_lock = FALSE;
@@ -153,530 +134,6 @@ calc_pi (void)
}
}
-static gboolean
-create_transient_display (GDBusConnection *connection,
- GError **error)
-{
- GError *local_error = NULL;
- GVariant *reply;
- const char *value;
-
- reply = g_dbus_connection_call_sync (connection,
- GDM_DBUS_NAME,
- GDM_DBUS_LOCAL_DISPLAY_FACTORY_PATH,
- GDM_DBUS_LOCAL_DISPLAY_FACTORY_INTERFACE,
- "CreateTransientDisplay",
- NULL, /* parameters */
- G_VARIANT_TYPE ("(o)"),
- G_DBUS_CALL_FLAGS_NONE,
- -1,
- NULL, &local_error);
- if (reply == NULL) {
- g_warning ("Unable to create transient display: %s", local_error->message);
- g_propagate_error (error, local_error);
- return FALSE;
- }
-
- g_variant_get (reply, "(&o)", &value);
- g_debug ("Started %s", value);
-
- g_variant_unref (reply);
- return TRUE;
-}
-
-#ifdef WITH_CONSOLE_KIT
-
-static gboolean
-get_current_session_id (GDBusConnection *connection,
- char **session_id)
-{
- GError *local_error = NULL;
- GVariant *reply;
-
- reply = g_dbus_connection_call_sync (connection,
- CK_NAME,
- CK_MANAGER_PATH,
- CK_MANAGER_INTERFACE,
- "GetCurrentSession",
- NULL, /* parameters */
- G_VARIANT_TYPE ("(o)"),
- G_DBUS_CALL_FLAGS_NONE,
- -1,
- NULL, &local_error);
- if (reply == NULL) {
- g_warning ("Unable to determine session: %s", local_error->message);
- g_error_free (local_error);
- return FALSE;
- }
-
- g_variant_get (reply, "(o)", session_id);
- g_variant_unref (reply);
-
- return TRUE;
-}
-
-static gboolean
-get_seat_id_for_session (GDBusConnection *connection,
- const char *session_id,
- char **seat_id)
-{
- GError *local_error = NULL;
- GVariant *reply;
-
- reply = g_dbus_connection_call_sync (connection,
- CK_NAME,
- session_id,
- CK_SESSION_INTERFACE,
- "GetSeatId",
- NULL, /* parameters */
- G_VARIANT_TYPE ("(o)"),
- G_DBUS_CALL_FLAGS_NONE,
- -1,
- NULL, &local_error);
- if (reply == NULL) {
- g_warning ("Unable to determine seat: %s", local_error->message);
- g_error_free (local_error);
- return FALSE;
- }
-
- g_variant_get (reply, "(o)", seat_id);
- g_variant_unref (reply);
-
- return TRUE;
-}
-
-static char *
-get_current_seat_id (GDBusConnection *connection)
-{
- gboolean res;
- char *session_id;
- char *seat_id;
-
- session_id = NULL;
- seat_id = NULL;
-
- res = get_current_session_id (connection, &session_id);
- if (res) {
- res = get_seat_id_for_session (connection, session_id, &seat_id);
- }
- g_free (session_id);
-
- return seat_id;
-}
-
-static gboolean
-activate_session_id_for_ck (GDBusConnection *connection,
- const char *seat_id,
- const char *session_id)
-{
- GError *local_error = NULL;
- GVariant *reply;
-
- reply = g_dbus_connection_call_sync (connection,
- CK_NAME,
- seat_id,
- CK_SEAT_INTERFACE,
- "ActivateSession",
- g_variant_new ("(o)", session_id),
- NULL,
- G_DBUS_CALL_FLAGS_NONE,
- -1,
- NULL, &local_error);
- if (reply == NULL) {
- g_warning ("Unable to activate session: %s", local_error->message);
- g_error_free (local_error);
- return FALSE;
- }
-
- g_variant_unref (reply);
-
- return TRUE;
-}
-
-static gboolean
-session_is_login_window (GDBusConnection *connection,
- const char *session_id)
-{
- GError *local_error = NULL;
- GVariant *reply;
- const char *value;
- gboolean ret;
-
- reply = g_dbus_connection_call_sync (connection,
- CK_NAME,
- session_id,
- CK_SESSION_INTERFACE,
- "GetSessionType",
- NULL,
- G_VARIANT_TYPE ("(s)"),
- G_DBUS_CALL_FLAGS_NONE,
- -1,
- NULL, &local_error);
- if (reply == NULL) {
- g_warning ("Unable to determine session type: %s", local_error->message);
- g_error_free (local_error);
- return FALSE;
- }
-
- g_variant_get (reply, "(&s)", &value);
-
- if (value == NULL || value[0] == '\0' || strcmp (value, "LoginWindow") != 0) {
- ret = FALSE;
- } else {
- ret = TRUE;
- }
-
- g_variant_unref (reply);
-
- return ret;
-}
-
-static gboolean
-seat_can_activate_sessions (GDBusConnection *connection,
- const char *seat_id)
-{
- GError *local_error = NULL;
- GVariant *reply;
- gboolean ret;
-
- reply = g_dbus_connection_call_sync (connection,
- CK_NAME,
- seat_id,
- CK_SEAT_INTERFACE,
- "CanActivateSessions",
- NULL,
- G_VARIANT_TYPE ("(b)"),
- G_DBUS_CALL_FLAGS_NONE,
- -1,
- NULL, &local_error);
- if (reply == NULL) {
- g_warning ("Unable to determine if can activate sessions: %s", local_error->message);
- g_error_free (local_error);
- return FALSE;
- }
-
- g_variant_get (reply, "(b)", &ret);
- g_variant_unref (reply);
-
- return ret;
-}
-
-static const char **
-seat_get_sessions (GDBusConnection *connection,
- const char *seat_id)
-{
- GError *local_error = NULL;
- GVariant *reply;
- const char **value;
-
- reply = g_dbus_connection_call_sync (connection,
- CK_NAME,
- seat_id,
- CK_SEAT_INTERFACE,
- "GetSessions",
- NULL,
- G_VARIANT_TYPE ("(ao)"),
- G_DBUS_CALL_FLAGS_NONE,
- -1,
- NULL, &local_error);
- if (reply == NULL) {
- g_warning ("Unable to list sessions: %s", local_error->message);
- g_error_free (local_error);
- return FALSE;
- }
-
- g_variant_get (reply, "(^ao)", &value);
- g_variant_unref (reply);
-
- return value;
-}
-
-static gboolean
-get_login_window_session_id_for_ck (GDBusConnection *connection,
- const char *seat_id,
- char **session_id)
-{
- gboolean can_activate_sessions;
- const char **sessions;
- int i;
-
- *session_id = NULL;
- sessions = NULL;
-
- g_debug ("checking if seat can activate sessions");
-
- can_activate_sessions = seat_can_activate_sessions (connection, seat_id);
- if (! can_activate_sessions) {
- g_debug ("seat is unable to activate sessions");
- return FALSE;
- }
-
- sessions = seat_get_sessions (connection, seat_id);
- for (i = 0; sessions [i] != NULL; i++) {
- const char *ssid;
-
- ssid = sessions [i];
-
- if (session_is_login_window (connection, ssid)) {
- *session_id = g_strdup (ssid);
- break;
- }
- }
- g_free (sessions);
-
- return TRUE;
-}
-
-static gboolean
-goto_login_session_for_ck (GDBusConnection *connection,
- GError **error)
-{
- gboolean ret;
- gboolean res;
- char *session_id;
- char *seat_id;
-
- ret = FALSE;
-
- /* First look for any existing LoginWindow sessions on the seat.
- If none are found, create a new one. */
-
- seat_id = get_current_seat_id (connection);
- if (seat_id == NULL || seat_id[0] == '\0') {
- g_debug ("seat id is not set; can't switch sessions");
- g_set_error (error, GDM_FLEXISERVER_ERROR, 0, _("Could not identify the current session."));
-
- return FALSE;
- }
-
- res = get_login_window_session_id_for_ck (connection, seat_id, &session_id);
- if (! res) {
- g_set_error (error, GDM_FLEXISERVER_ERROR, 1, _("User unable to switch sessions."));
- return FALSE;
- }
-
- if (session_id != NULL) {
- res = activate_session_id_for_ck (connection, seat_id, session_id);
- if (res) {
- ret = TRUE;
- }
- }
-
- if (! ret && g_strcmp0 (seat_id, "/org/freedesktop/ConsoleKit/Seat1") == 0) {
- res = create_transient_display (connection, error);
- if (res) {
- ret = TRUE;
- }
- }
-
- return ret;
-}
-#endif
-
-#ifdef WITH_SYSTEMD
-
-static gboolean
-activate_session_id_for_systemd (GDBusConnection *connection,
- const char *seat_id,
- const char *session_id)
-{
- GError *local_error = NULL;
- GVariant *reply;
-
- reply = g_dbus_connection_call_sync (connection,
- "org.freedesktop.login1",
- "/org/freedesktop/login1",
- "org.freedesktop.login1.Manager",
- "ActivateSessionOnSeat",
- g_variant_new ("(ss)", session_id, seat_id),
- NULL,
- G_DBUS_CALL_FLAGS_NONE,
- -1,
- NULL, &local_error);
- if (reply == NULL) {
- g_warning ("Unable to activate session: %s", local_error->message);
- g_error_free (local_error);
- return FALSE;
- }
-
- g_variant_unref (reply);
-
- return TRUE;
-}
-
-static gboolean
-get_login_window_session_id_for_systemd (const char *seat_id,
- char **session_id)
-{
- gboolean ret;
- int res, i;
- char **sessions;
- char *service_class;
- char *state;
-
- res = sd_seat_get_sessions (seat_id, &sessions, NULL, NULL);
- if (res < 0) {
- g_debug ("Failed to determine sessions: %s", strerror (-res));
- return FALSE;
- }
-
- if (sessions == NULL || sessions[0] == NULL) {
- *session_id = NULL;
- ret = TRUE;
- goto out;
- }
-
- for (i = 0; sessions[i]; i ++) {
- res = sd_session_get_class (sessions[i], &service_class);
- if (res < 0) {
- g_debug ("failed to determine class of session %s: %s", sessions[i], strerror (-res));
- ret = FALSE;
- goto out;
- }
-
- if (strcmp (service_class, "greeter") != 0) {
- free (service_class);
- continue;
- }
-
- free (service_class);
-
- ret = sd_session_get_state (sessions[i], &state);
- if (ret < 0) {
- g_debug ("failed to determine state of session %s: %s", sessions[i], strerror (-res));
- ret = FALSE;
- goto out;
- }
-
- if (g_strcmp0 (state, "closing") == 0) {
- free (state);
- continue;
- }
- free (state);
-
- *session_id = g_strdup (sessions[i]);
- ret = TRUE;
- break;
-
- }
-
- *session_id = NULL;
- ret = TRUE;
-
-out:
- for (i = 0; sessions[i]; i ++) {
- free (sessions[i]);
- }
-
- free (sessions);
-
- return ret;
-}
-
-static gboolean
-goto_login_session_for_systemd (GDBusConnection *connection,
- GError **error)
-{
- gboolean ret;
- int res;
- char *our_session;
- char *session_id;
- char *seat_id;
-
- ret = FALSE;
- session_id = NULL;
- seat_id = NULL;
-
- /* First look for any existing LoginWindow sessions on the seat.
- If none are found, create a new one. */
-
- /* Note that we mostly use free () here, instead of g_free ()
- * since the data allocated is from libsystemd-logind, which
- * does not use GLib's g_malloc (). */
-
- res = sd_pid_get_session (0, &our_session);
- if (res < 0) {
- g_debug ("failed to determine own session: %s", strerror (-res));
- g_set_error (error, GDM_FLEXISERVER_ERROR, 0, _("Could not identify the current session."));
-
- return FALSE;
- }
-
- res = sd_session_get_seat (our_session, &seat_id);
- free (our_session);
- if (res < 0) {
- g_debug ("failed to determine own seat: %s", strerror (-res));
- g_set_error (error, GDM_FLEXISERVER_ERROR, 0, _("Could not identify the current seat."));
-
- return FALSE;
- }
-
- res = sd_seat_can_multi_session (seat_id);
- if (res < 0) {
- free (seat_id);
-
- g_debug ("failed to determine whether seat can do multi session: %s", strerror (-res));
- g_set_error (error, GDM_FLEXISERVER_ERROR, 0, _("The system is unable to determine whether to switch to an existing login screen or start up a new login screen."));
-
- return FALSE;
- }
-
- if (res == 0) {
- free (seat_id);
-
- g_set_error (error, GDM_FLEXISERVER_ERROR, 0, _("The system is unable to start up a new login screen."));
-
- return FALSE;
- }
-
- res = get_login_window_session_id_for_systemd (seat_id, &session_id);
- if (res && session_id != NULL) {
- res = activate_session_id_for_systemd (connection, seat_id, session_id);
-
- if (res) {
- ret = TRUE;
- }
- }
-
- if (! ret && g_strcmp0 (seat_id, "seat0") == 0) {
- res = create_transient_display (connection, error);
- if (res) {
- ret = TRUE;
- }
- }
-
- free (seat_id);
- g_free (session_id);
-
- return ret;
-}
-#endif
-
-static gboolean
-goto_login_session (GError **error)
-{
- GError *local_error;
- GDBusConnection *connection;
-
- local_error = NULL;
- connection = g_bus_get_sync (G_BUS_TYPE_SYSTEM, NULL, &local_error);
- if (connection == NULL) {
- g_debug ("Failed to connect to the D-Bus daemon: %s", local_error->message);
- g_propagate_error (error, local_error);
- return FALSE;
- }
-
-#ifdef WITH_SYSTEMD
- if (LOGIND_RUNNING()) {
- return goto_login_session_for_systemd (connection, error);
- }
-#endif
-
-#ifdef WITH_CONSOLE_KIT
- return goto_login_session_for_ck (connection, error);
-#endif
-}
-
int
main (int argc, char *argv[])
{
@@ -726,7 +183,7 @@ main (int argc, char *argv[])
}
error = NULL;
- res = goto_login_session (&error);
+ res = gdm_goto_login_session (&error);
if (! res) {
GtkWidget *dialog;
char *message;
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