static DBusMessage *connect_session(DBusConnection *conn,
DBusMessage *msg, void *user_data)
{
struct connman_session *session = user_data;
DBG("session %p", session);
if (ecall_session) {
if (ecall_session->ecall && ecall_session != session)
return __connman_error_failed(msg, EBUSY);
session->ecall = true;
}
if (!session->active) {
session->active = true;
set_active_session(session, true);
}
session_activate(session);
__connman_service_auto_connect(CONNMAN_SERVICE_CONNECT_REASON_SESSION);
return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
}
int connman_session_config_update(struct connman_session *session)
{
struct session_info *info = session->info;
GSList *allowed_bearers;
int err;
DBG("session %p", session);
/*
* We update all configuration even though only one entry
* might have changed. We can still optimize this later.
*/
if (session->id_type != session->policy_config->id_type) {
cleanup_firewall_session(session);
err = init_firewall_session(session);
if (err < 0) {
connman_session_destroy(session);
return err;
}
session->id_type = session->policy_config->id_type;
}
apply_policy_on_bearers(
session->policy_config->allowed_bearers,
session->user_allowed_bearers,
&allowed_bearers);
if (session->active)
set_active_session(session, false);
session->active = false;
session_deactivate(session);
g_slist_free(info->config.allowed_bearers);
info->config.allowed_bearers = allowed_bearers;
session_activate(session);
info->config.type = apply_policy_on_type(
session->policy_config->type,
info->config.type);
info->config.roaming_policy = session->policy_config->roaming_policy;
info->config.ecall = session->policy_config->ecall;
if (info->config.ecall)
ecall_session = session;
info->config.priority = session->policy_config->priority;
session_notify(session);
return 0;
}
static void handle_service_state_offline(struct connman_service *service,
struct connman_service_info *info)
{
GSList *list;
for (list = info->sessions; list; list = list->next) {
struct connman_session *session = list->data;
if (session->service != service) {
connman_warn("session %p should have session %p assigned",
session, service);
continue;
}
DBG("session %p remove service %p", session, service);
session->service = NULL;
update_session_state(session);
session_activate(session);
}
}
static int session_policy_config_cb(struct connman_session *session,
struct connman_session_config *config,
void *user_data, int err)
{
struct creation_data *creation_data = user_data;
struct session_info *info, *info_last;
DBusMessage *reply;
DBG("session %p config %p", session, config);
if (err < 0)
goto err;
session->policy_config = config;
session->mark = session_mark++;
session->index = -1;
err = init_firewall_session(session);
if (err < 0)
goto err;
err = init_routing_table(session);
if (err < 0)
goto err;
info = session->info;
info_last = session->info_last;
if (session->policy_config->ecall)
ecall_session = session;
info->state = CONNMAN_SESSION_STATE_DISCONNECTED;
info->config.type = apply_policy_on_type(
session->policy_config->type,
creation_data->type);
info->config.priority = session->policy_config->priority;
info->config.roaming_policy = session->policy_config->roaming_policy;
session->user_allowed_bearers = creation_data->allowed_bearers;
creation_data->allowed_bearers = NULL;
apply_policy_on_bearers(
session->policy_config->allowed_bearers,
session->user_allowed_bearers,
&info->config.allowed_bearers);
g_hash_table_replace(session_hash, session->session_path, session);
DBG("add %s", session->session_path);
if (!g_dbus_register_interface(connection, session->session_path,
CONNMAN_SESSION_INTERFACE,
session_methods, NULL, NULL,
session, NULL)) {
connman_error("Failed to register %s", session->session_path);
g_hash_table_remove(session_hash, session->session_path);
err = -EINVAL;
goto err;
}
reply = g_dbus_create_reply(creation_data->pending,
DBUS_TYPE_OBJECT_PATH, &session->session_path,
DBUS_TYPE_INVALID);
g_dbus_send_message(connection, reply);
creation_data->pending = NULL;
info_last->state = info->state;
info_last->config.priority = info->config.priority;
info_last->config.roaming_policy = info->config.roaming_policy;
info_last->config.allowed_bearers = info->config.allowed_bearers;
session->append_all = true;
cleanup_creation_data(creation_data);
session_activate(session);
return 0;
err:
reply = __connman_error_failed(creation_data->pending, -err);
g_dbus_send_message(connection, reply);
creation_data->pending = NULL;
cleanup_session(session);
cleanup_creation_data(creation_data);
return err;
}
static DBusMessage *change_session(DBusConnection *conn,
DBusMessage *msg, void *user_data)
{
struct connman_session *session = user_data;
struct session_info *info = session->info;
DBusMessageIter iter, value;
const char *name;
const char *val;
GSList *allowed_bearers;
int err;
DBG("session %p", session);
if (!dbus_message_iter_init(msg, &iter))
return __connman_error_invalid_arguments(msg);
if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING)
return __connman_error_invalid_arguments(msg);
dbus_message_iter_get_basic(&iter, &name);
dbus_message_iter_next(&iter);
if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_VARIANT)
return __connman_error_invalid_arguments(msg);
dbus_message_iter_recurse(&iter, &value);
switch (dbus_message_iter_get_arg_type(&value)) {
case DBUS_TYPE_ARRAY:
if (g_str_equal(name, "AllowedBearers")) {
err = parse_bearers(&value, &allowed_bearers);
if (err < 0)
return __connman_error_failed(msg, -err);
if (session->active)
set_active_session(session, false);
session->active = false;
session_deactivate(session);
g_slist_free(info->config.allowed_bearers);
session->user_allowed_bearers = allowed_bearers;
apply_policy_on_bearers(
session->policy_config->allowed_bearers,
session->user_allowed_bearers,
&info->config.allowed_bearers);
session_activate(session);
} else {
goto err;
}
break;
case DBUS_TYPE_STRING:
if (g_str_equal(name, "ConnectionType")) {
dbus_message_iter_get_basic(&value, &val);
info->config.type = apply_policy_on_type(
session->policy_config->type,
connman_session_parse_connection_type(val));
} else {
goto err;
}
break;
default:
goto err;
}
session_notify(session);
return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
err:
return __connman_error_invalid_arguments(msg);
}
static DBusHandlerResult session_message_dispatch(
Session *s,
DBusConnection *connection,
DBusMessage *message) {
const BusProperty properties[] = {
{ "org.freedesktop.login1.Session", "Id", bus_property_append_string, "s", s->id },
{ "org.freedesktop.login1.Session", "User", bus_session_append_user, "(uo)", s },
{ "org.freedesktop.login1.Session", "Name", bus_property_append_string, "s", s->user->name },
{ "org.freedesktop.login1.Session", "Timestamp", bus_property_append_usec, "t", &s->timestamp.realtime },
{ "org.freedesktop.login1.Session", "TimestampMonotonic", bus_property_append_usec, "t", &s->timestamp.monotonic },
{ "org.freedesktop.login1.Session", "ControlGroupPath", bus_property_append_string, "s", s->cgroup_path },
{ "org.freedesktop.login1.Session", "VTNr", bus_property_append_uint32, "u", &s->vtnr },
{ "org.freedesktop.login1.Session", "Seat", bus_session_append_seat, "(so)", s },
{ "org.freedesktop.login1.Session", "TTY", bus_property_append_string, "s", s->tty },
{ "org.freedesktop.login1.Session", "Display", bus_property_append_string, "s", s->display },
{ "org.freedesktop.login1.Session", "Remote", bus_property_append_bool, "b", &s->remote },
{ "org.freedesktop.login1.Session", "RemoteUser", bus_property_append_string, "s", s->remote_user },
{ "org.freedesktop.login1.Session", "RemoteHost", bus_property_append_string, "s", s->remote_host },
{ "org.freedesktop.login1.Session", "Service", bus_property_append_string, "s", s->service },
{ "org.freedesktop.login1.Session", "Leader", bus_property_append_pid, "u", &s->leader },
{ "org.freedesktop.login1.Session", "Audit", bus_property_append_uint32, "u", &s->audit_id },
{ "org.freedesktop.login1.Session", "Type", bus_session_append_type, "s", &s->type },
{ "org.freedesktop.login1.Session", "Active", bus_session_append_active, "b", s },
{ "org.freedesktop.login1.Session", "Controllers", bus_property_append_strv, "as", s->controllers },
{ "org.freedesktop.login1.Session", "ResetControllers", bus_property_append_strv, "as", s->reset_controllers },
{ "org.freedesktop.login1.Session", "KillProcesses", bus_property_append_bool, "b", &s->kill_processes },
{ "org.freedesktop.login1.Session", "IdleHint", bus_session_append_idle_hint, "b", s },
{ "org.freedesktop.login1.Session", "IdleSinceHint", bus_session_append_idle_hint_since, "t", s },
{ "org.freedesktop.login1.Session", "IdleSinceHintMonotonic", bus_session_append_idle_hint_since, "t", s },
{ NULL, NULL, NULL, NULL, NULL }
};
DBusError error;
DBusMessage *reply = NULL;
int r;
assert(s);
assert(connection);
assert(message);
dbus_error_init(&error);
if (dbus_message_is_method_call(message, "org.freedesktop.login1.Session", "Terminate")) {
r = session_stop(s);
if (r < 0)
return bus_send_error_reply(connection, message, NULL, r);
reply = dbus_message_new_method_return(message);
if (!reply)
goto oom;
} else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Session", "Activate")) {
r = session_activate(s);
if (r < 0)
return bus_send_error_reply(connection, message, NULL, r);
reply = dbus_message_new_method_return(message);
if (!reply)
goto oom;
} else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Session", "Lock") ||
dbus_message_is_method_call(message, "org.freedesktop.login1.Session", "Unlock")) {
if (session_send_signal(s, streq(dbus_message_get_member(message), "Lock")) < 0)
goto oom;
reply = dbus_message_new_method_return(message);
if (!reply)
goto oom;
} else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Session", "SetIdleHint")) {
dbus_bool_t b;
unsigned long ul;
if (!dbus_message_get_args(
message,
&error,
DBUS_TYPE_BOOLEAN, &b,
DBUS_TYPE_INVALID))
return bus_send_error_reply(connection, message, &error, -EINVAL);
ul = dbus_bus_get_unix_user(connection, dbus_message_get_sender(message), &error);
if (ul == (unsigned long) -1)
return bus_send_error_reply(connection, message, &error, -EIO);
if (ul != 0 && ul != s->user->uid)
return bus_send_error_reply(connection, message, NULL, -EPERM);
session_set_idle_hint(s, b);
reply = dbus_message_new_method_return(message);
if (!reply)
goto oom;
} else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Session", "Kill")) {
const char *swho;
int32_t signo;
KillWho who;
if (!dbus_message_get_args(
message,
&error,
DBUS_TYPE_STRING, &swho,
DBUS_TYPE_INT32, &signo,
DBUS_TYPE_INVALID))
return bus_send_error_reply(connection, message, &error, -EINVAL);
if (isempty(swho))
who = KILL_ALL;
else {
who = kill_who_from_string(swho);
if (who < 0)
return bus_send_error_reply(connection, message, &error, -EINVAL);
}
if (signo <= 0 || signo >= _NSIG)
return bus_send_error_reply(connection, message, &error, -EINVAL);
r = session_kill(s, who, signo);
if (r < 0)
return bus_send_error_reply(connection, message, NULL, r);
reply = dbus_message_new_method_return(message);
if (!reply)
goto oom;
} else
return bus_default_message_handler(connection, message, INTROSPECTION, INTERFACES_LIST, properties);
if (reply) {
if (!dbus_connection_send(connection, reply, NULL))
goto oom;
dbus_message_unref(reply);
}
return DBUS_HANDLER_RESULT_HANDLED;
oom:
if (reply)
dbus_message_unref(reply);
dbus_error_free(&error);
return DBUS_HANDLER_RESULT_NEED_MEMORY;
}