88 lines
2 KiB
C
88 lines
2 KiB
C
/*
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* AP mode helper functions
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* Copyright (c) 2009, Jouni Malinen <j@w1.fi>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* Alternatively, this software may be distributed under the terms of BSD
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* license.
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*
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* See README and COPYING for more details.
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*/
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#include "includes.h"
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#include "common.h"
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#include "common/ieee802_11_defs.h"
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#include "sta_info.h"
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#include "hostapd.h"
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int hostapd_register_probereq_cb(struct hostapd_data *hapd,
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int (*cb)(void *ctx, const u8 *sa,
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const u8 *ie, size_t ie_len),
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void *ctx)
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{
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struct hostapd_probereq_cb *n;
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n = os_realloc(hapd->probereq_cb, (hapd->num_probereq_cb + 1) *
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sizeof(struct hostapd_probereq_cb));
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if (n == NULL)
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return -1;
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hapd->probereq_cb = n;
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n = &hapd->probereq_cb[hapd->num_probereq_cb];
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hapd->num_probereq_cb++;
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n->cb = cb;
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n->ctx = ctx;
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return 0;
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}
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struct prune_data {
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struct hostapd_data *hapd;
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const u8 *addr;
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};
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static int prune_associations(struct hostapd_iface *iface, void *ctx)
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{
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struct prune_data *data = ctx;
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struct sta_info *osta;
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struct hostapd_data *ohapd;
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size_t j;
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for (j = 0; j < iface->num_bss; j++) {
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ohapd = iface->bss[j];
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if (ohapd == data->hapd)
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continue;
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osta = ap_get_sta(ohapd, data->addr);
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if (!osta)
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continue;
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ap_sta_disassociate(ohapd, osta, WLAN_REASON_UNSPECIFIED);
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}
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return 0;
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}
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/**
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* hostapd_prune_associations - Remove extraneous associations
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* @hapd: Pointer to BSS data for the most recent association
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* @addr: Associated STA address
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*
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* This function looks through all radios and BSS's for previous
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* (stale) associations of STA. If any are found they are removed.
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*/
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void hostapd_prune_associations(struct hostapd_data *hapd, const u8 *addr)
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{
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struct prune_data data;
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data.hapd = hapd;
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data.addr = addr;
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if (hapd->iface->for_each_interface)
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hapd->iface->for_each_interface(hapd->iface->interfaces,
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prune_associations, &data);
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}
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