#include "seat.h"
#include "configuration.h"
#include "guest-account.h"
-#include "greeter.h"
+#include "greeter-session.h"
#include "session-config.h"
enum {
gboolean stopped;
/* The greeter to be started to replace the current one */
- Greeter *replacement_greeter;
+ GreeterSession *replacement_greeter;
};
static void seat_logger_iface_init (LoggerInterface *iface);
typedef struct
{
- const gchar *name;
+ gchar *name;
GType type;
} SeatModule;
static GHashTable *seat_modules = NULL;
// FIXME: Make a get_display_server() that re-uses display servers if supported
static DisplayServer *create_display_server (Seat *seat, Session *session);
-static Greeter *create_greeter_session (Seat *seat);
+static gboolean start_display_server (Seat *seat, DisplayServer *display_server);
+static GreeterSession *create_greeter_session (Seat *seat);
static void start_session (Seat *seat, Session *session);
+static void
+free_seat_module (gpointer data)
+{
+ SeatModule *module = data;
+ g_free (module->name);
+ g_free (module);
+}
+
void
seat_register_module (const gchar *name, GType type)
{
SeatModule *module;
if (!seat_modules)
- seat_modules = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
+ seat_modules = g_hash_table_new_full (g_str_hash, g_str_equal, free_seat_module, NULL);
g_debug ("Registered seat module %s", name);
gboolean
seat_get_boolean_property (Seat *seat, const gchar *name)
{
- return g_strcmp0 (seat_get_string_property (seat, name), "true") == 0;
+ const gchar *value;
+ gint i, length = 0;
+
+ value = seat_get_string_property (seat, name);
+ if (!value)
+ return FALSE;
+
+ /* Count the number of non-whitespace characters */
+ for (i = 0; value[i]; i++)
+ if (!g_ascii_isspace (value[i]))
+ length = i + 1;
+
+ return strncmp (value, "true", MAX (length, 4)) == 0;
}
gint
if (s == session || session_get_is_stopping (s))
continue;
- if (IS_GREETER (s))
+ if (IS_GREETER_SESSION (s))
{
- Greeter *greeter = GREETER (s);
+ Greeter *greeter = greeter_session_get_greeter (GREETER_SESSION (s));
if (greeter_get_resettable (greeter))
{
- if (seat->priv->active_session == SESSION (greeter))
+ if (seat->priv->active_session == s)
{
l_debug (seat, "Idling greeter");
/* Do this in an idle callback, because we might very well
}
/* Lock previous sessions */
- if (seat->priv->active_session && session != seat->priv->active_session && !IS_GREETER (seat->priv->active_session))
+ if (seat->priv->active_session && session != seat->priv->active_session && !IS_GREETER_SESSION (seat->priv->active_session))
session_lock (seat->priv->active_session);
session_activate (session);
* Obtains the active session which lightdm expects to be active.
*
* This function is different from seat_get_active_session() in that the
- * later (in the case of xlocal seats) dynamically finds the session that is
+ * later (in the case of local seats) dynamically finds the session that is
* really active (based on the active VT), whereas this function returns the
* session that lightdm activated last by itself, which may not be the actual
* active session (i.e. VT changes).
{
g_return_if_fail (signal != NULL);
g_return_if_fail (signal[0] != 0);
- const gchar* argv[] = {"initctl", "-q", "emit", signal, "DISPLAY_MANAGER=lightdm", NULL};
+ GSubprocess *p;
if (getuid () != 0)
return;
/* OK if it fails, probably not installed or not running upstart */
- g_spawn_async (NULL, argv, NULL,
- G_SPAWN_SEARCH_PATH | G_SPAWN_STDERR_TO_DEV_NULL,
- NULL, NULL, NULL, NULL);
+ p = g_subprocess_new (G_SUBPROCESS_FLAGS_STDERR_SILENCE, NULL, "initctl", "-q", "emit", signal, "DISPLAY_MANAGER=lightdm", NULL);
+ g_object_unref (p);
}
static void
continue;
/* Stop seat if this is the only display server and it failed to start a greeter */
- if (IS_GREETER (session) &&
+ if (IS_GREETER_SESSION (session) &&
!session_get_is_started (session) &&
g_list_length (seat->priv->display_servers) == 0)
{
return seat->priv->share_display_server && display_server_get_can_share (display_server);
}
-static Greeter *
+static GreeterSession *
find_greeter_session (Seat *seat)
{
GList *link;
for (link = seat->priv->sessions; link; link = link->next)
{
Session *session = link->data;
- if (!session_get_is_stopping (session) && IS_GREETER (session))
- return GREETER (session);
+ if (!session_get_is_stopping (session) && IS_GREETER_SESSION (session))
+ return GREETER_SESSION (session);
}
return NULL;
}
-static Greeter *
+static GreeterSession *
find_resettable_greeter (Seat *seat)
{
GList *link;
for (link = seat->priv->sessions; link; link = link->next)
{
Session *session = link->data;
- if (!session_get_is_stopping (session) && IS_GREETER (session) &&
- greeter_get_resettable (GREETER (session)))
- return GREETER (session);
+ if (!session_get_is_stopping (session) && IS_GREETER_SESSION (session) &&
+ greeter_get_resettable (greeter_session_get_greeter (GREETER_SESSION (session))))
+ return GREETER_SESSION (session);
}
return NULL;
}
static void
-set_greeter_hints (Seat *seat, Greeter *greeter_session)
+set_greeter_hints (Seat *seat, Greeter *greeter)
{
- greeter_clear_hints (greeter_session);
- greeter_set_hint (greeter_session, "default-session", seat_get_string_property (seat, "user-session"));
- greeter_set_hint (greeter_session, "hide-users", seat_get_boolean_property (seat, "greeter-hide-users") ? "true" : "false");
- greeter_set_hint (greeter_session, "show-manual-login", seat_get_boolean_property (seat, "greeter-show-manual-login") ? "true" : "false");
- greeter_set_hint (greeter_session, "show-remote-login", seat_get_boolean_property (seat, "greeter-show-remote-login") ? "true" : "false");
- greeter_set_hint (greeter_session, "has-guest-account", seat_get_allow_guest (seat) && seat_get_boolean_property (seat, "greeter-allow-guest") ? "true" : "false");
+ greeter_clear_hints (greeter);
+ greeter_set_hint (greeter, "default-session", seat_get_string_property (seat, "user-session"));
+ greeter_set_hint (greeter, "hide-users", seat_get_boolean_property (seat, "greeter-hide-users") ? "true" : "false");
+ greeter_set_hint (greeter, "show-manual-login", seat_get_boolean_property (seat, "greeter-show-manual-login") ? "true" : "false");
+ greeter_set_hint (greeter, "show-remote-login", seat_get_boolean_property (seat, "greeter-show-remote-login") ? "true" : "false");
+ greeter_set_hint (greeter, "has-guest-account", seat_get_allow_guest (seat) && seat_get_boolean_property (seat, "greeter-allow-guest") ? "true" : "false");
}
static void
switch_to_greeter_from_failed_session (Seat *seat, Session *session)
{
- Greeter *greeter_session;
+ GreeterSession *greeter_session;
+ Greeter *greeter;
gboolean existing = FALSE;
/* Switch to greeter if one open */
if (greeter_session)
{
l_debug (seat, "Switching to existing greeter");
- set_greeter_hints (seat, greeter_session);
+ set_greeter_hints (seat, greeter_session_get_greeter (greeter_session));
existing = TRUE;
}
else
{
greeter_session = create_greeter_session (seat);
}
+ greeter = greeter_session_get_greeter (greeter_session);
if (session_get_is_guest (session))
- greeter_set_hint (greeter_session, "select-guest", "true");
+ greeter_set_hint (greeter, "select-guest", "true");
else
- greeter_set_hint (greeter_session, "select-user", session_get_username (session));
+ greeter_set_hint (greeter, "select-user", session_get_username (session));
if (existing)
{
- greeter_reset (greeter_session);
+ greeter_reset (greeter);
seat_set_active_session (seat, SESSION (greeter_session));
}
else
display_server = create_display_server (seat, session);
session_set_display_server (session, display_server);
- if (!display_server_start (display_server))
+ if (!start_display_server (seat, display_server))
{
l_debug (seat, "Failed to start display server for greeter");
seat_stop (seat);
start_session (Seat *seat, Session *session)
{
/* Use system location for greeter log file */
- if (IS_GREETER (session))
+ if (IS_GREETER_SESSION (session))
{
gchar *log_dir, *filename, *log_filename;
+ gboolean backup_logs;
log_dir = config_get_string (config_get_instance (), "LightDM", "log-directory");
filename = g_strdup_printf ("%s-greeter.log", display_server_get_name (session_get_display_server (session)));
log_filename = g_build_filename (log_dir, filename, NULL);
g_free (log_dir);
g_free (filename);
- session_set_log_file (session, log_filename);
+ backup_logs = config_get_boolean (config_get_instance (), "LightDM", "backup-logs");
+ session_set_log_file (session, log_filename, backup_logs ? LOG_MODE_BACKUP_AND_TRUNCATE : LOG_MODE_APPEND);
g_free (log_filename);
}
if (session_start (session))
return;
- if (IS_GREETER (session))
+ if (IS_GREETER_SESSION (session))
{
l_debug (seat, "Failed to start greeter");
display_server_stop (session_get_display_server (session));
{
const gchar *script;
- if (IS_GREETER (session))
+ if (IS_GREETER_SESSION (session))
script = seat_get_string_property (seat, "greeter-setup-script");
else
script = seat_get_string_property (seat, "session-setup-script");
return;
}
- if (!IS_GREETER (session))
+ if (!IS_GREETER_SESSION (session))
{
g_signal_emit (seat, signals[RUNNING_USER_SESSION], 0, session);
emit_upstart_signal ("desktop-session-start");
run_session (seat, session);
}
}
- else if (!IS_GREETER (session))
+ else if (!IS_GREETER_SESSION (session))
{
l_debug (seat, "Switching to greeter due to failed authentication");
switch_to_greeter_from_failed_session (seat, session);
}
/* Cleanup */
- if (!IS_GREETER (session))
+ if (!IS_GREETER_SESSION (session))
{
const gchar *script;
script = seat_get_string_property (seat, "session-cleanup-script");
}
/* If there is a pending replacement greeter, start it */
- if (IS_GREETER (session) && seat->priv->replacement_greeter)
+ if (IS_GREETER_SESSION (session) && seat->priv->replacement_greeter)
{
- Greeter *replacement_greeter = seat->priv->replacement_greeter;
+ GreeterSession *replacement_greeter = seat->priv->replacement_greeter;
seat->priv->replacement_greeter = NULL;
if (session_get_is_authenticated (SESSION (replacement_greeter)))
g_object_unref (replacement_greeter);
}
/* If this is the greeter session then re-use this display server */
- else if (IS_GREETER (session) &&
+ else if (IS_GREETER_SESSION (session) &&
can_share_display_server (seat, display_server) &&
- greeter_get_start_session (GREETER (session)))
+ greeter_get_start_session (greeter_session_get_greeter (GREETER_SESSION (session))))
{
GList *link;
}
}
/* If this is the greeter and nothing else is running then stop the seat */
- else if (IS_GREETER (session) &&
- !greeter_get_start_session (GREETER (session)) &&
+ else if (IS_GREETER_SESSION (session) &&
+ !greeter_get_start_session (greeter_session_get_greeter (GREETER_SESSION (session))) &&
g_list_length (seat->priv->display_servers) == 1 &&
g_list_nth_data (seat->priv->display_servers, 0) == display_server)
{
seat_stop (seat);
}
/* If we were the active session, switch to a greeter */
- else if (!IS_GREETER (session) && session == seat_get_active_session (seat))
+ else if (!IS_GREETER_SESSION (session) && session == seat_get_active_session (seat))
{
l_debug (seat, "Active session stopped, starting greeter");
if (!seat_switch_to_greeter (seat))
}
/* Stop the display server if no-longer required */
- if (display_server && !display_server_get_is_stopping (display_server))
+ if (display_server && !display_server_get_is_stopping (display_server) &&
+ !SEAT_GET_CLASS (seat)->display_server_is_used (seat, display_server))
{
- GList *link;
- int n_sessions = 0;
-
- for (link = seat->priv->sessions; link; link = link->next)
- {
- Session *s = link->data;
- if (s == session)
- continue;
- if (session_get_display_server (s) == display_server)
- n_sessions++;
- }
- if (n_sessions == 0)
- {
- l_debug (seat, "Stopping display server, no sessions require it");
- display_server_stop (display_server);
- }
+ l_debug (seat, "Stopping display server, no sessions require it");
+ display_server_stop (display_server);
}
g_signal_emit (seat, signals[SESSION_REMOVED], 0, session);
return session;
}
+// FIXME: This is inefficient and we already know the greeter session when we set the callbacks...
+static Session *
+get_greeter_session (Seat *seat, Greeter *greeter)
+{
+ GList *link;
+
+ /* Stop any greeters */
+ for (link = seat->priv->sessions; link; link = link->next)
+ {
+ Session *session = link->data;
+
+ if (IS_GREETER_SESSION (session) && greeter_session_get_greeter (GREETER_SESSION (session)))
+ return session;
+ }
+
+ return NULL;
+}
+
static Session *
greeter_create_session_cb (Greeter *greeter, Seat *seat)
{
- Session *session;
+ Session *greeter_session, *session;
+ greeter_session = get_greeter_session (seat, greeter);
session = create_session (seat, FALSE);
- session_set_config (session, session_get_config (SESSION (greeter)));
- session_set_display_server (session, session_get_display_server (SESSION (greeter)));
+ session_set_config (session, session_get_config (greeter_session));
+ session_set_display_server (session, session_get_display_server (greeter_session));
return g_object_ref (session);
}
static gboolean
greeter_start_session_cb (Greeter *greeter, SessionType type, const gchar *session_name, Seat *seat)
{
- Session *session, *existing_session;
+ Session *session, *existing_session, *greeter_session;
const gchar *username;
DisplayServer *display_server;
}
/* If can re-use the display server, stop the greeter first */
- display_server = session_get_display_server (SESSION (greeter));
+ greeter_session = get_greeter_session (seat, greeter);
+ display_server = session_get_display_server (greeter_session);
if (!greeter_get_resettable (greeter) &&
can_share_display_server (seat, display_server) &&
strcmp (display_server_get_session_type (display_server), session_get_session_type (session)) == 0)
session_set_display_server (session, display_server);
/* Stop the greeter */
- session_stop (SESSION (greeter));
+ session_stop (greeter_session);
return TRUE;
}
{
display_server = create_display_server (seat, session);
session_set_display_server (session, display_server);
- if (!display_server_start (display_server))
+ if (!start_display_server (seat, display_server))
{
l_debug (seat, "Failed to start display server for new session");
return FALSE;
}
}
-static Greeter *
+static GreeterSession *
create_greeter_session (Seat *seat)
{
gchar *sessions_dir, **argv;
SessionConfig *session_config;
- Greeter *greeter_session;
+ GreeterSession *greeter_session;
+ Greeter *greeter;
const gchar *greeter_wrapper;
const gchar *autologin_username;
int autologin_timeout;
}
greeter_session = SEAT_GET_CLASS (seat)->create_greeter_session (seat);
+ greeter = greeter_session_get_greeter (greeter_session);
session_set_config (SESSION (greeter_session), session_config);
seat->priv->sessions = g_list_append (seat->priv->sessions, SESSION (greeter_session));
- g_signal_connect (greeter_session, GREETER_SIGNAL_ACTIVE_USERNAME_CHANGED, G_CALLBACK (greeter_active_username_changed_cb), seat);
+ g_signal_connect (greeter, GREETER_SIGNAL_ACTIVE_USERNAME_CHANGED, G_CALLBACK (greeter_active_username_changed_cb), seat);
g_signal_connect (greeter_session, SESSION_SIGNAL_AUTHENTICATION_COMPLETE, G_CALLBACK (session_authentication_complete_cb), seat);
g_signal_connect (greeter_session, SESSION_SIGNAL_STOPPED, G_CALLBACK (session_stopped_cb), seat);
session_set_argv (SESSION (greeter_session), argv);
g_strfreev (argv);
- greeter_set_pam_services (greeter_session,
+ greeter_set_pam_services (greeter,
seat_get_string_property (seat, "pam-service"),
seat_get_string_property (seat, "pam-autologin-service"));
- g_signal_connect (greeter_session, GREETER_SIGNAL_CREATE_SESSION, G_CALLBACK (greeter_create_session_cb), seat);
- g_signal_connect (greeter_session, GREETER_SIGNAL_START_SESSION, G_CALLBACK (greeter_start_session_cb), seat);
+ g_signal_connect (greeter, GREETER_SIGNAL_CREATE_SESSION, G_CALLBACK (greeter_create_session_cb), seat);
+ g_signal_connect (greeter, GREETER_SIGNAL_START_SESSION, G_CALLBACK (greeter_start_session_cb), seat);
/* Set hints to greeter */
- greeter_set_allow_guest (greeter_session, seat_get_allow_guest (seat));
- set_greeter_hints (seat, greeter_session);
+ greeter_set_allow_guest (greeter, seat_get_allow_guest (seat));
+ set_greeter_hints (seat, greeter);
/* Configure for automatic login */
autologin_username = seat_get_string_property (seat, "autologin-user");
gchar *value;
value = g_strdup_printf ("%d", autologin_timeout);
- greeter_set_hint (greeter_session, "autologin-timeout", value);
+ greeter_set_hint (greeter, "autologin-timeout", value);
g_free (value);
if (autologin_username)
- greeter_set_hint (greeter_session, "autologin-user", autologin_username);
+ greeter_set_hint (greeter, "autologin-user", autologin_username);
if (autologin_guest)
- greeter_set_hint (greeter_session, "autologin-guest", "true");
+ greeter_set_hint (greeter, "autologin-guest", "true");
}
g_object_unref (session_config);
for (link = seat->priv->sessions; link; link = link->next)
{
Session *session = link->data;
- if (session_get_display_server (session) == display_server && !session_get_is_stopping (session))
+
+ if (session_get_display_server (session) == display_server &&
+ !session_get_is_stopping (session) &&
+ !session_get_is_run (session))
return session;
}
if (!display_server)
return NULL;
- seat->priv->display_servers = g_list_append (seat->priv->display_servers, display_server);
- g_signal_connect (display_server, DISPLAY_SERVER_SIGNAL_READY, G_CALLBACK (display_server_ready_cb), seat);
- g_signal_connect (display_server, DISPLAY_SERVER_SIGNAL_STOPPED, G_CALLBACK (display_server_stopped_cb), seat);
+ /* Remember this display server */
+ if (!g_list_find (seat->priv->display_servers, display_server))
+ {
+ seat->priv->display_servers = g_list_append (seat->priv->display_servers, display_server);
+ g_signal_connect (display_server, DISPLAY_SERVER_SIGNAL_READY, G_CALLBACK (display_server_ready_cb), seat);
+ g_signal_connect (display_server, DISPLAY_SERVER_SIGNAL_STOPPED, G_CALLBACK (display_server_stopped_cb), seat);
+ }
return display_server;
}
+static gboolean
+start_display_server (Seat *seat, DisplayServer *display_server)
+{
+ if (display_server_get_is_ready (display_server))
+ {
+ display_server_ready_cb (display_server, seat);
+ return TRUE;
+ }
+ else
+ return display_server_start (display_server);
+}
+
gboolean
seat_switch_to_greeter (Seat *seat)
{
- Greeter *greeter_session;
+ GreeterSession *greeter_session;
DisplayServer *display_server;
g_return_val_if_fail (seat != NULL, FALSE);
display_server = create_display_server (seat, SESSION (greeter_session));
session_set_display_server (SESSION (greeter_session), display_server);
- return display_server_start (display_server);
+ return start_display_server (seat, display_server);
}
static void
switch_authentication_complete_cb (Session *session, Seat *seat)
{
- Greeter *greeter_session;
+ GreeterSession *greeter_session;
+ Greeter *greeter;
DisplayServer *display_server;
gboolean existing = FALSE;
seat->priv->session_to_activate = g_object_ref (session);
display_server = create_display_server (seat, session);
session_set_display_server (session, display_server);
- display_server_start (display_server);
+ start_display_server (seat, display_server);
}
return;
if (greeter_session)
{
l_debug (seat, "Switching to existing greeter to authenticate session");
- set_greeter_hints (seat, greeter_session);
+ set_greeter_hints (seat, greeter_session_get_greeter (greeter_session));
existing = TRUE;
}
else
l_debug (seat, "Starting greeter to authenticate session");
greeter_session = create_greeter_session (seat);
}
+ greeter = greeter_session_get_greeter (greeter_session);
if (session_get_is_guest (session))
- greeter_set_hint (greeter_session, "select-guest", "true");
+ greeter_set_hint (greeter, "select-guest", "true");
else
- greeter_set_hint (greeter_session, "select-user", session_get_username (session));
+ greeter_set_hint (greeter, "select-user", session_get_username (session));
if (existing)
{
- greeter_reset (greeter_session);
+ greeter_reset (greeter);
seat_set_active_session (seat, SESSION (greeter_session));
}
else
display_server = create_display_server (seat, SESSION (greeter_session));
session_set_display_server (SESSION (greeter_session), display_server);
- display_server_start (display_server);
+ start_display_server (seat, display_server);
}
}
session_set_pam_service (session, seat_get_string_property (seat, "pam-autologin-service"));
session_set_display_server (session, display_server);
- return display_server_start (display_server);
+ return start_display_server (seat, display_server);
}
gboolean
seat_lock (Seat *seat, const gchar *username)
{
- Greeter *greeter_session;
+ GreeterSession *greeter_session;
+ Greeter *greeter;
DisplayServer *display_server = NULL;
gboolean reset_existing = FALSE;
gboolean reuse_xserver = FALSE;
if (greeter_session)
{
l_debug (seat, "Switching to existing greeter");
- set_greeter_hints (seat, greeter_session);
+ set_greeter_hints (seat, greeter_session_get_greeter (greeter_session));
reset_existing = TRUE;
}
else
if (!greeter_session)
return FALSE;
}
+ greeter = greeter_session_get_greeter (greeter_session);
- greeter_set_hint (greeter_session, "lock-screen", "true");
+ greeter_set_hint (greeter, "lock-screen", "true");
if (username)
- greeter_set_hint (greeter_session, "select-user", username);
+ greeter_set_hint (greeter, "select-user", username);
if (reset_existing)
{
- greeter_reset (greeter_session);
+ greeter_reset (greeter);
seat_set_active_session (seat, SESSION (greeter_session));
return TRUE;
}
return TRUE;
}
else
- return display_server_start (display_server);
+ return start_display_server (seat, display_server);
}
}
display_server = create_display_server (seat, session);
session_set_display_server (session, display_server);
- if (!display_server || !display_server_start (display_server))
+ if (!display_server || !start_display_server (seat, display_server))
{
l_debug (seat, "Can't create display server for automatic login");
session_stop (session);
/* Fallback to a greeter */
if (!session)
{
- Greeter *greeter_session;
+ GreeterSession *greeter_session;
DisplayServer *display_server;
greeter_session = create_greeter_session (seat);
display_server = create_display_server (seat, session);
session_set_display_server (session, display_server);
- if (!display_server || !display_server_start (display_server))
+ if (!display_server || !start_display_server (seat, display_server))
{
l_debug (seat, "Can't create display server for greeter");
session_stop (session);
background_display_server = create_display_server (seat, background_session);
session_set_display_server (background_session, background_display_server);
- if (!display_server_start (background_display_server))
+ if (!start_display_server (seat, background_display_server))
l_warning (seat, "Failed to start display server for background session");
}
return TRUE;
}
-static Greeter *
+static DisplayServer *
+seat_real_create_display_server (Seat *seat, Session *session)
+{
+ return NULL;
+}
+
+static gboolean
+seat_real_display_server_is_used (Seat *seat, DisplayServer *display_server)
+{
+ GList *link;
+
+ for (link = seat->priv->sessions; link; link = link->next)
+ {
+ Session *session = link->data;
+ DisplayServer *d;
+
+ d = session_get_display_server (session);
+ if (d == display_server || display_server_get_parent (d) == display_server)
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+static GreeterSession *
seat_real_create_greeter_session (Seat *seat)
{
- return greeter_new ();
+ return greeter_session_new ();
}
static Session *
klass->setup = seat_real_setup;
klass->start = seat_real_start;
+ klass->create_display_server = seat_real_create_display_server;
+ klass->display_server_is_used = seat_real_display_server_is_used;
klass->create_greeter_session = seat_real_create_greeter_session;
klass->create_session = seat_real_create_session;
klass->set_active_session = seat_real_set_active_session;
projects / sojka / lightdm.git / blobdiff