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/*
* AP mode helper functions
* Copyright (c) 2009, Jouni Malinen <j@w1.fi>
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
*/
#include "includes.h"
#include "common.h"
#include "common/ieee802_11_defs.h"
#include "fst/fst.h"
#include "sta_info.h"
#include "hostapd.h"
int hostapd_register_probereq_cb(struct hostapd_data *hapd,
int (*cb)(void *ctx, const u8 *sa,
const u8 *da, const u8 *bssid,
const u8 *ie, size_t ie_len,
int ssi_signal),
void *ctx)
{
struct hostapd_probereq_cb *n;
n = os_realloc_array(hapd->probereq_cb, hapd->num_probereq_cb + 1,
sizeof(struct hostapd_probereq_cb));
if (n == NULL)
return -1;
hapd->probereq_cb = n;
n = &hapd->probereq_cb[hapd->num_probereq_cb];
hapd->num_probereq_cb++;
n->cb = cb;
n->ctx = ctx;
return 0;
}
struct prune_data {
struct hostapd_data *hapd;
const u8 *addr;
};
static int prune_associations(struct hostapd_iface *iface, void *ctx)
{
struct prune_data *data = ctx;
struct sta_info *osta;
struct hostapd_data *ohapd;
size_t j;
for (j = 0; j < iface->num_bss; j++) {
ohapd = iface->bss[j];
if (ohapd == data->hapd)
continue;
#ifdef CONFIG_FST
/* Don't prune STAs belong to same FST */
if (ohapd->iface->fst &&
data->hapd->iface->fst &&
fst_are_ifaces_aggregated(ohapd->iface->fst,
data->hapd->iface->fst))
continue;
#endif /* CONFIG_FST */
osta = ap_get_sta(ohapd, data->addr);
if (!osta)
continue;
wpa_printf(MSG_INFO, "%s: Prune association for " MACSTR,
ohapd->conf->iface, MAC2STR(osta->addr));
ap_sta_disassociate(ohapd, osta, WLAN_REASON_UNSPECIFIED);
}
return 0;
}
/**
* hostapd_prune_associations - Remove extraneous associations
* @hapd: Pointer to BSS data for the most recent association
* @addr: Associated STA address
*
* This function looks through all radios and BSS's for previous
* (stale) associations of STA. If any are found they are removed.
*/
void hostapd_prune_associations(struct hostapd_data *hapd, const u8 *addr)
{
struct prune_data data;
data.hapd = hapd;
data.addr = addr;
if (hapd->iface->interfaces &&
hapd->iface->interfaces->for_each_interface)
hapd->iface->interfaces->for_each_interface(
hapd->iface->interfaces, prune_associations, &data);
}
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