diff options
Diffstat (limited to 'src/users-service-dbus.c')
| -rw-r--r-- | src/users-service-dbus.c | 458 |
1 files changed, 417 insertions, 41 deletions
diff --git a/src/users-service-dbus.c b/src/users-service-dbus.c index acc3f7d..b9e9391 100644 --- a/src/users-service-dbus.c +++ b/src/users-service-dbus.c @@ -21,6 +21,10 @@ #include "config.h" #endif +#include <string.h> +#include <errno.h> +#include <pwd.h> + #include <dbus/dbus-glib.h> #include "dbus-shared-names.h" @@ -56,6 +60,10 @@ static gboolean _users_service_server_get_users_info (UsersServiceDbus *servi static void create_session_proxy (UsersServiceDbus *self); static void create_system_proxy (UsersServiceDbus *self); static void create_gdm_proxy (UsersServiceDbus *self); +static void create_seat_proxy (UsersServiceDbus *self); +static void create_ck_proxy (UsersServiceDbus *self); +static void create_cksession_proxy (UsersServiceDbus *self); +static gchar *get_seat (UsersServiceDbus *service); static void users_loaded (DBusGProxy *proxy, gpointer user_data); static void user_added (DBusGProxy *proxy, @@ -67,6 +75,16 @@ static void user_removed (DBusGProxy *proxy static void user_updated (DBusGProxy *proxy, guint uid, gpointer user_data); +static void seat_proxy_session_added (DBusGProxy *seat_proxy, + const gchar *session_id, + UsersServiceDbus *service); +static void seat_proxy_session_removed (DBusGProxy *seat_proxy, + const gchar *session_id, + UsersServiceDbus *service); +static gboolean maybe_add_session_for_user (UsersServiceDbus *service, + UserData *user, + const gchar *ssid); +static gchar * get_seat_internal (UsersServiceDbus *self); #include "users-service-server.h" @@ -75,14 +93,23 @@ typedef struct _UsersServiceDbusPrivate UsersServiceDbusPrivate; struct _UsersServiceDbusPrivate { - GList *users; - gint count; + GHashTable *users; + gint count; + gchar *seat; + gchar *ssid; DBusGConnection *session_bus; DBusGConnection *system_bus; + DBusGProxy *dbus_proxy_session; DBusGProxy *dbus_proxy_system; DBusGProxy *gdm_proxy; + DBusGProxy *ck_proxy; + DBusGProxy *seat_proxy; + DBusGProxy *session_proxy; + + GHashTable *exclusions; + GHashTable *sessions; }; #define USERS_SERVICE_DBUS_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), USERS_SERVICE_DBUS_TYPE, UsersServiceDbusPrivate)) @@ -174,6 +201,16 @@ users_service_dbus_init (UsersServiceDbus *self) return; } + priv->exclusions = g_hash_table_new_full (g_str_hash, + g_str_equal, + g_free, + NULL); + + priv->users = g_hash_table_new_full (g_str_hash, + g_str_equal, + g_free, + NULL); + dbus_g_connection_register_g_object (priv->session_bus, INDICATOR_USERS_SERVICE_DBUS_OBJECT, G_OBJECT (self)); @@ -186,6 +223,8 @@ users_service_dbus_init (UsersServiceDbus *self) create_session_proxy (self); create_system_proxy (self); create_gdm_proxy (self); + create_seat_proxy (self); + create_ck_proxy (self); users_loaded (priv->gdm_proxy, self); } @@ -233,12 +272,16 @@ create_system_proxy (UsersServiceDbus *self) DBUS_PATH_DBUS, DBUS_INTERFACE_DBUS, &error); - if (error != NULL) + + if (!priv->dbus_proxy_system) { - g_error ("Unable to get dbus proxy on system bus: %s", error->message); - g_error_free (error); + if (error != NULL) + { + g_error ("Unable to get dbus proxy on system bus: %s", error->message); + g_error_free (error); - return; + return; + } } } @@ -254,10 +297,15 @@ create_gdm_proxy (UsersServiceDbus *self) "org.gnome.DisplayManager.UserManager", &error); - if (error != NULL) + if (!priv->gdm_proxy) { - g_error ("Unable to get DisplayManager proxy on system bus: %s", error->message); - g_error_free (error); + if (error != NULL) + { + g_error ("Unable to get DisplayManager proxy on system bus: %s", error->message); + g_error_free (error); + } + + return; } dbus_g_proxy_add_signal (priv->gdm_proxy, @@ -305,6 +353,329 @@ create_gdm_proxy (UsersServiceDbus *self) } static void +create_ck_proxy (UsersServiceDbus *self) +{ + UsersServiceDbusPrivate *priv = USERS_SERVICE_DBUS_GET_PRIVATE (self); + + priv->ck_proxy = dbus_g_proxy_new_for_name (priv->system_bus, + "org.freedesktop.ConsoleKit", + "/org/freedesktop/ConsoleKit/Manager", + "org.freedesktop.ConsoleKit.Manager"); + + if (!priv->ck_proxy) + { + g_warning ("Failed to setup ConsoleKit proxy."); + return; + } +} + +static void +create_seat_proxy (UsersServiceDbus *self) +{ + UsersServiceDbusPrivate *priv = USERS_SERVICE_DBUS_GET_PRIVATE (self); + GError *error = NULL; + + priv->seat = get_seat (self); + if (priv->seat == NULL) + { + return; + } + + priv->seat_proxy = dbus_g_proxy_new_for_name_owner (priv->system_bus, + "org.freedesktop.ConsoleKit", + priv->seat, + "org.freedesktop.ConsoleKit.Seat", + &error); + + if (!priv->seat_proxy) + { + if (error != NULL) + { + g_warning ("Failed to connect to the ConsoleKit seat: %s", error->message); + g_error_free (error); + } + + return; + } + + dbus_g_proxy_add_signal (priv->seat_proxy, + "SessionAdded", + DBUS_TYPE_G_OBJECT_PATH, + G_TYPE_INVALID); + dbus_g_proxy_add_signal (priv->seat_proxy, + "SessionRemoved", + DBUS_TYPE_G_OBJECT_PATH, + G_TYPE_INVALID); + + dbus_g_proxy_connect_signal (priv->seat_proxy, + "SessionAdded", + G_CALLBACK (seat_proxy_session_added), + self, + NULL); + dbus_g_proxy_connect_signal (priv->seat_proxy, + "SessionRemoved", + G_CALLBACK (seat_proxy_session_removed), + self, + NULL); +} + +static void +create_cksession_proxy (UsersServiceDbus *service) +{ + UsersServiceDbusPrivate *priv = USERS_SERVICE_DBUS_GET_PRIVATE (service); + + priv->session_proxy = dbus_g_proxy_new_for_name (priv->system_bus, + "org.freedesktop.ConsoleKit", + priv->ssid, + "org.freedesktop.ConsoleKit.Session"); + + if (!priv->session_proxy) + { + g_warning ("Failed to connect to ConsoleKit session"); + return; + } +} + +static gchar * +get_seat (UsersServiceDbus *service) +{ + UsersServiceDbusPrivate *priv = USERS_SERVICE_DBUS_GET_PRIVATE (service); + GError *error = NULL; + gchar *ssid = NULL; + gchar *seat; + + if (!dbus_g_proxy_call (priv->ck_proxy, + "GetCurrentSession", + &error, + G_TYPE_INVALID, + DBUS_TYPE_G_OBJECT_PATH, + &ssid, + G_TYPE_INVALID)) + { + if (error) + { + g_debug ("Failed to get session: %s", error->message); + g_error_free (error); + } + + if (ssid) + g_free (ssid); + + return NULL; + } + + priv->ssid = ssid; + create_cksession_proxy (service); + + if (ssid) + g_free (ssid); + + seat = get_seat_internal (service); + + return seat; +} + +static gchar * +get_seat_internal (UsersServiceDbus *self) +{ + UsersServiceDbusPrivate *priv = USERS_SERVICE_DBUS_GET_PRIVATE (self); + GError *error = NULL; + gchar *seat; + + if (!dbus_g_proxy_call (priv->session_proxy, + "GetSeatId", + &error, + G_TYPE_INVALID, + DBUS_TYPE_G_OBJECT_PATH, &seat, + G_TYPE_INVALID)) + { + if (error) + { + g_debug ("Failed to identify the current seat: %s", error->message); + } + } + + return seat; +} + +static gboolean +get_uid_from_session_id (UsersServiceDbus *service, + const gchar *session_id, + uid_t *uidp) +{ + UsersServiceDbusPrivate *priv = USERS_SERVICE_DBUS_GET_PRIVATE (service); + GError *error; + guint uid; + + if (dbus_g_proxy_call (priv->session_proxy, + "GetUnixUser", + &error, + G_TYPE_INVALID, + G_TYPE_UINT, &uid, + G_TYPE_INVALID)) + { + if (error) + { + g_warning ("Failed to get the session: %s", error->message); + g_error_free (error); + } + + return FALSE; + } + + if (uidp != NULL) + { + *uidp = (uid_t)uid; + } + + return TRUE; +} + +static gint +session_compare (const gchar *a, + const gchar *b) +{ + if (a == NULL) + return 1; + else if (b == NULL) + return -1; + + return strcmp (a, b); +} + +static gboolean +maybe_add_session_for_user (UsersServiceDbus *service, + UserData *user, + const gchar *ssid) +{ + UsersServiceDbusPrivate *priv = USERS_SERVICE_DBUS_GET_PRIVATE (service); + GError *error = NULL; + gchar *seat = NULL; + gchar *xdisplay = NULL; + GList *l; + + seat = get_seat_internal (service); + if (!seat || !priv->seat || strcmp (seat, priv->seat) != 0) + return FALSE; + + if (!dbus_g_proxy_call (priv->session_proxy, + "GetX11Display", + &error, + G_TYPE_INVALID, + G_TYPE_STRING, &xdisplay, + G_TYPE_INVALID)) + { + if (error) + { + g_debug ("Failed to get X11 display: %s", error->message); + g_error_free (error); + } + + return FALSE; + } + + if (!xdisplay || xdisplay[0] == '\0') + return FALSE; + + if (g_hash_table_lookup (priv->exclusions, user->user_name)) + return FALSE; + + g_hash_table_insert (priv->sessions, + g_strdup (ssid), + g_strdup (user->user_name)); + + l = g_list_find_custom (user->sessions, ssid, (GCompareFunc)session_compare); + if (l == NULL) + { + g_debug ("Adding session %s", ssid); + + user->sessions = g_list_prepend (user->sessions, g_strdup (ssid)); + } + else + { + g_debug ("User %s already has session %s", user->user_name, ssid); + } + + return TRUE; +} + +static void +seat_proxy_session_added (DBusGProxy *seat_proxy, + const gchar *session_id, + UsersServiceDbus *service) +{ + UsersServiceDbusPrivate *priv = USERS_SERVICE_DBUS_GET_PRIVATE (service); + uid_t uid; + gboolean res; + struct passwd *pwent; + UserData *user; + + if (!get_uid_from_session_id (service, session_id, &uid)) + { + g_warning ("Failed to lookup user for session"); + return; + } + + errno = 0; + pwent = getpwuid (uid); + if (!pwent) + { + g_warning ("Failed to lookup user id %d: %s", (int)uid, g_strerror (errno)); + return; + } + + if (g_hash_table_lookup (priv->exclusions, pwent->pw_name)) + { + g_debug ("Excluding user %s", pwent->pw_name); + return; + } + + user = g_hash_table_lookup (priv->users, pwent->pw_name); + if (!user) + { + return; + } + + res = maybe_add_session_for_user (service, user, session_id); +} + +static void +seat_proxy_session_removed (DBusGProxy *seat_proxy, + const gchar *session_id, + UsersServiceDbus *service) +{ + UsersServiceDbusPrivate *priv = USERS_SERVICE_DBUS_GET_PRIVATE (service); + UserData *user; + gchar *username; + GList *l; + + username = g_hash_table_lookup (priv->sessions, session_id); + if (!username) + return; + + user = g_hash_table_lookup (priv->users, username); + if (!user) + return; + + //_user_remove_session (user, session_id); + + l = g_list_find_custom (user->sessions, + session_id, + (GCompareFunc)session_compare); + if (l) + { + g_debug ("Removing session %s", session_id); + + g_free (l->data); + user->sessions = g_list_delete_link (user->sessions, l); + } + else + { + g_debug ("Session not found: %s", session_id); + } +} + +static void users_loaded (DBusGProxy *proxy, gpointer user_data) { @@ -359,20 +730,22 @@ users_loaded (DBusGProxy *proxy, for (i = 0; i < users_info->len; i++) { GValueArray *values; - UserData *data; + UserData *user; values = g_ptr_array_index (users_info, i); - data = g_new0 (UserData, 1); + user = g_new0 (UserData, 1); - data->uid = g_value_get_int64 (g_value_array_get_nth (values, 0)); - data->user_name = g_strdup (g_value_get_string (g_value_array_get_nth (values, 1))); - data->real_name = g_strdup (g_value_get_string (g_value_array_get_nth (values, 2))); - data->shell = g_strdup (g_value_get_string (g_value_array_get_nth (values, 3))); - data->login_count = g_value_get_int (g_value_array_get_nth (values, 4)); - data->icon_url = g_strdup (g_value_get_string (g_value_array_get_nth (values, 5))); + user->uid = g_value_get_int64 (g_value_array_get_nth (values, 0)); + user->user_name = g_strdup (g_value_get_string (g_value_array_get_nth (values, 1))); + user->real_name = g_strdup (g_value_get_string (g_value_array_get_nth (values, 2))); + user->shell = g_strdup (g_value_get_string (g_value_array_get_nth (values, 3))); + user->login_count = g_value_get_int (g_value_array_get_nth (values, 4)); + user->icon_url = g_strdup (g_value_get_string (g_value_array_get_nth (values, 5))); - priv->users = g_list_prepend (priv->users, data); + g_hash_table_insert (priv->users, + g_strdup (user->user_name), + user); } } @@ -389,7 +762,7 @@ users_service_dbus_get_user_list (UsersServiceDbus *self) { UsersServiceDbusPrivate *priv = USERS_SERVICE_DBUS_GET_PRIVATE (self); - return priv->users; + return g_hash_table_get_values (priv->users); } static void @@ -423,11 +796,21 @@ user_added (DBusGProxy *proxy, user->uid = uid; - priv->users = g_list_prepend (priv->users, user); + g_hash_table_insert (priv->users, + g_strdup (user->user_name), + user); g_signal_emit (G_OBJECT (service), signals[USER_ADDED], 0, user, TRUE); } +static gboolean +compare_users_by_uid (gpointer key, + gpointer value, + gpointer user_data) +{ + return (GPOINTER_TO_UINT (value) == GPOINTER_TO_UINT (user_data)); +} + static void user_removed (DBusGProxy *proxy, guint uid, @@ -435,20 +818,16 @@ user_removed (DBusGProxy *proxy, { UsersServiceDbus *service = (UsersServiceDbus *)user_data; UsersServiceDbusPrivate *priv = USERS_SERVICE_DBUS_GET_PRIVATE (service); - GList *l; + UserData *user; - priv->count--; + user = g_hash_table_find (priv->users, + compare_users_by_uid, + GUINT_TO_POINTER (uid)); - for (l = priv->users; l != NULL; l = g_list_next (l)) - { - UserData *user = (UserData *)l->data; + g_hash_table_remove (priv->users, + user->user_name); - if (user->uid == uid) - { - priv->users = g_list_remove (priv->users, l->data); - g_signal_emit (G_OBJECT (service), signals[USER_REMOVED], 0, user, TRUE); - } - } + priv->count--; } static void @@ -456,19 +835,16 @@ user_updated (DBusGProxy *proxy, guint uid, gpointer user_data) { +#if 0 + // XXX - TODO UsersServiceDbus *service = (UsersServiceDbus *)user_data; UsersServiceDbusPrivate *priv = USERS_SERVICE_DBUS_GET_PRIVATE (service); - GList *l; + UserData *user; - for (l = priv->users; l != NULL; l = g_list_next (l)) - { - UserData *user = (UserData *)l->data; - - if (user->uid == uid) - { - // XXX - update user data - } - } + user = g_hash_table_find (priv->users, + compare_users_by_uid, + GUINT_TO_POINTER (uid)); +#endif } static gboolean |