/*
* Check whether we've lost our association with the AP
*/
static void
ni_wireless_set_association_timer(ni_wireless_t *wlan, const ni_timer_t *new_timer)
{
if (wlan->assoc.timer != NULL)
ni_timer_cancel(wlan->assoc.timer);
wlan->assoc.timer = new_timer;
}
void
ni_wireless_scan_free(ni_wireless_scan_t *scan)
{
if (scan->timer)
ni_timer_cancel(scan->timer);
scan->timer = NULL;
ni_wireless_network_array_destroy(&scan->networks);
free(scan);
}
static void
ni_autoip_device_close(ni_autoip_device_t *dev)
{
if (dev->arp_socket)
ni_arp_socket_close(dev->arp_socket);
dev->arp_socket = NULL;
if (dev->fsm.timer) {
ni_timer_cancel(dev->fsm.timer);
dev->fsm.timer = NULL;
}
}
static void
ni_dhcp4_fsm_restart(ni_dhcp4_device_t *dev)
{
dev->fsm.state = NI_DHCP4_STATE_INIT;
ni_dhcp4_device_disarm_retransmit(dev);
if (dev->fsm.timer) {
ni_timer_cancel(dev->fsm.timer);
dev->fsm.timer = NULL;
}
dev->dhcp4.xid = 0;
ni_dhcp4_device_drop_lease(dev);
}
static void
ni_dhcp4_device_close(ni_dhcp4_device_t *dev)
{
ni_capture_free(dev->capture);
dev->capture = NULL;
if (dev->listen_fd >= 0)
close(dev->listen_fd);
dev->listen_fd = -1;
if (dev->fsm.timer) {
ni_warn("%s: timer active for %s", __func__, dev->ifname);
ni_timer_cancel(dev->fsm.timer);
dev->fsm.timer = NULL;
}
ni_dhcp4_device_arp_close(dev);
}
static int
__do_arp_validate(struct arp_handle *handle)
{
ni_capture_devinfo_t dev_info;
int ret;
if ((ret = __do_arp_validate_init(handle, &dev_info)) != 0)
return ret;
handle->sock = ni_arp_socket_open(&dev_info,
__do_arp_validate_process, handle);
if (!handle->sock || !handle->sock->user_data) {
ni_error("%s: Cannot initialize arp socket", handle->ifname);
__do_arp_handle_close(handle);
return NI_LSB_RC_ERROR;
}
if (!__do_arp_validate_send(handle)) {
__do_arp_handle_close(handle);
ni_error("%s: Cannot send arp packet", handle->ifname);
return NI_LSB_RC_ERROR;
}
ret = NI_WICKED_RC_ERROR;
while (!ni_caught_terminal_signal()) {
long timeout;
ret = NI_LSB_RC_SUCCESS;
timeout = ni_timer_next_timeout();
if (ni_socket_wait(timeout) != 0)
break;
ret = NI_WICKED_RC_ERROR;
}
if (handle->timer) {
ni_timer_cancel(handle->timer);
handle->timer = NULL;
}
__do_arp_handle_close(handle);
return handle->hwaddr.len ? NI_LSB_RC_NOT_ALLOWED : ret;
}