static void ap_sta_remove_in_other_bss(struct hostapd_data *hapd,
struct sta_info *sta)
{
struct hostapd_iface *iface = hapd->iface;
size_t i;
for (i = 0; i < iface->num_bss; i++) {
struct hostapd_data *bss = iface->bss[i];
struct sta_info *sta2;
/* bss should always be set during operation, but it may be
* NULL during reconfiguration. Assume the STA is not
* associated to another BSS in that case to avoid NULL pointer
* dereferences. */
if (bss == hapd || bss == NULL)
continue;
sta2 = ap_get_sta(bss, sta->addr);
if (!sta2)
continue;
wpa_printf(MSG_DEBUG, "%s: disconnect old STA " MACSTR
" association from another BSS %s",
hapd->conf->iface, MAC2STR(sta2->addr),
bss->conf->iface);
ap_sta_disconnect(bss, sta2, sta2->addr,
WLAN_REASON_PREV_AUTH_NOT_VALID);
}
}
static void iapp_process_add_notify(struct iapp_data *iapp,
struct sockaddr_in *from,
struct iapp_hdr *hdr, int len)
{
struct iapp_add_notify *add = (struct iapp_add_notify *) (hdr + 1);
struct sta_info *sta;
if (len != sizeof(*add)) {
printf("Invalid IAPP-ADD packet length %d (expected %lu)\n",
len, (unsigned long) sizeof(*add));
return;
}
sta = ap_get_sta(iapp->hapd, add->mac_addr);
/* IAPP-ADD.indication(MAC Address, Sequence Number) */
hostapd_logger(iapp->hapd, add->mac_addr, HOSTAPD_MODULE_IAPP,
HOSTAPD_LEVEL_INFO,
"Received IAPP ADD-notify (seq# %d) from %s:%d%s",
be_to_host16(add->seq_num),
inet_ntoa(from->sin_addr), ntohs(from->sin_port),
sta ? "" : " (STA not found)");
if (!sta)
return;
/* TODO: could use seq_num to try to determine whether last association
* to this AP is newer than the one advertised in IAPP-ADD. Although,
* this is not really a reliable verification. */
hostapd_logger(iapp->hapd, add->mac_addr, HOSTAPD_MODULE_IAPP,
HOSTAPD_LEVEL_DEBUG,
"Removing STA due to IAPP ADD-notify");
ap_sta_disconnect(iapp->hapd, sta, NULL, 0);
}
static void hostapd_wpa_auth_disconnect(void *ctx, const u8 *addr,
u16 reason)
{
struct hostapd_data *hapd = ctx;
wpa_printf(MSG_DEBUG, "%s: WPA authenticator requests disconnect: "
"STA " MACSTR " reason %d",
__func__, MAC2STR(addr), reason);
ap_sta_disconnect(hapd, NULL, addr, reason);
}
void ap_ctrl_iface_sta_disconnect(struct wpa_supplicant *wpa_s, const u8 *addr,
u16 reason)
{
if (wpa_s->ap_iface == NULL)
return -1;
ap_sta_disconnect(wpa_s->ap_iface->bss[0], NULL, addr, reason);
}
