/*
* new_connection_callback
* Actions to be run upon each new client connection
* Must either perform dbus_connection_ref() on the
* new connection or else close the connection with
* dbus_connection_close()
*/
static void sbus_server_init_new_connection(DBusServer *dbus_server,
DBusConnection *dbus_conn,
void *data)
{
struct sbus_connection *server;
struct sbus_connection *conn;
int ret;
DEBUG(SSSDBG_FUNC_DATA,"Entering.\n");
server = talloc_get_type(data, struct sbus_connection);
if (!server) {
return;
}
DEBUG(SSSDBG_FUNC_DATA,"Adding connection %p.\n", dbus_conn);
ret = sbus_init_connection(server, server->ev, dbus_conn,
SBUS_CONN_TYPE_PRIVATE, &conn);
if (ret != 0) {
dbus_connection_close(dbus_conn);
DEBUG(SSSDBG_FUNC_DATA, "Closing connection (failed setup)\n");
return;
}
dbus_connection_ref(dbus_conn);
DEBUG(SSSDBG_FUNC_DATA,"Got a connection\n");
/*
* Initialize connection-specific features
* This function (or its callbacks) should also
* set up connection-specific methods.
*/
ret = server->srv_init_fn(conn, server->srv_init_data);
if (ret != EOK) {
DEBUG(SSSDBG_CRIT_FAILURE,"Initialization failed!\n");
dbus_connection_close(dbus_conn);
talloc_zfree(conn);
}
}
static errno_t
sysbus_init(TALLOC_CTX *mem_ctx,
struct tevent_context *ev,
const char *dbus_name,
void *pvt,
struct sysbus_ctx **sysbus)
{
DBusError dbus_error;
DBusConnection *conn = NULL;
struct sysbus_ctx *system_bus = NULL;
errno_t ret;
system_bus = talloc_zero(mem_ctx, struct sysbus_ctx);
if (system_bus == NULL) {
return ENOMEM;
}
dbus_error_init(&dbus_error);
/* Connect to the well-known system bus */
conn = dbus_bus_get(DBUS_BUS_SYSTEM, &dbus_error);
if (conn == NULL) {
DEBUG(SSSDBG_CRIT_FAILURE,
"Failed to connect to D-BUS system bus: [%s]\n",
dbus_error.message);
ret = ERR_NO_SYSBUS;
goto fail;
}
dbus_connection_set_exit_on_disconnect(conn, FALSE);
ret = dbus_bus_request_name(conn, dbus_name,
/* We want exclusive access */
DBUS_NAME_FLAG_DO_NOT_QUEUE,
&dbus_error);
if (ret != DBUS_REQUEST_NAME_REPLY_PRIMARY_OWNER) {
/* We were unable to register on the system bus */
DEBUG(SSSDBG_CRIT_FAILURE,
"Unable to request name on the system bus: [%s]\n",
dbus_error.message);
ret = EIO;
goto fail;
}
DEBUG(SSSDBG_TRACE_FUNC, "Listening on %s\n", dbus_name);
/* Integrate with tevent loop */
ret = sbus_init_connection(system_bus, ev, conn,
SBUS_CONN_TYPE_SYSBUS,
&system_bus->conn);
if (ret != EOK) {
DEBUG(SSSDBG_CRIT_FAILURE,
"Could not integrate D-BUS into mainloop.\n");
goto fail;
}
ret = ifp_register_sbus_interface(system_bus->conn, pvt);
if (ret != EOK) {
DEBUG(SSSDBG_CRIT_FAILURE, "Could not register interfaces\n");
goto fail;
}
ifp_register_nodes(pvt, system_bus->conn);
*sysbus = system_bus;
return EOK;
fail:
if (dbus_error_is_set(&dbus_error)) {
DEBUG(SSSDBG_OP_FAILURE,
"DBus error message: %s\n", dbus_error.message);
dbus_error_free(&dbus_error);
}
if (conn) dbus_connection_unref(conn);
talloc_free(system_bus);
return ret;
}