mirror of
https://github.com/vanhoefm/fragattacks.git
synced 2024-11-29 18:58:21 -05:00
88 lines
2.0 KiB
C
88 lines
2.0 KiB
C
/*
|
|
* AP mode helper functions
|
|
* Copyright (c) 2009, Jouni Malinen <j@w1.fi>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License version 2 as
|
|
* published by the Free Software Foundation.
|
|
*
|
|
* Alternatively, this software may be distributed under the terms of BSD
|
|
* license.
|
|
*
|
|
* See README and COPYING for more details.
|
|
*/
|
|
|
|
#include "includes.h"
|
|
|
|
#include "common.h"
|
|
#include "common/ieee802_11_defs.h"
|
|
#include "sta_info.h"
|
|
#include "hostapd.h"
|
|
|
|
|
|
int hostapd_register_probereq_cb(struct hostapd_data *hapd,
|
|
void (*cb)(void *ctx, const u8 *sa,
|
|
const u8 *ie, size_t ie_len),
|
|
void *ctx)
|
|
{
|
|
struct hostapd_probereq_cb *n;
|
|
|
|
n = os_realloc(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;
|
|
osta = ap_get_sta(ohapd, data->addr);
|
|
if (!osta)
|
|
continue;
|
|
|
|
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;
|
|
hostapd_for_each_interface(hapd->iface->interfaces,
|
|
prune_associations, &data);
|
|
}
|