13ff40c12SJohn Marino /*
23ff40c12SJohn Marino * AP mode helper functions
33ff40c12SJohn Marino * Copyright (c) 2009, Jouni Malinen <j@w1.fi>
43ff40c12SJohn Marino *
53ff40c12SJohn Marino * This software may be distributed under the terms of the BSD license.
63ff40c12SJohn Marino * See README for more details.
73ff40c12SJohn Marino */
83ff40c12SJohn Marino
93ff40c12SJohn Marino #include "includes.h"
103ff40c12SJohn Marino
113ff40c12SJohn Marino #include "common.h"
123ff40c12SJohn Marino #include "common/ieee802_11_defs.h"
13*a1157835SDaniel Fojt #include "fst/fst.h"
143ff40c12SJohn Marino #include "sta_info.h"
153ff40c12SJohn Marino #include "hostapd.h"
163ff40c12SJohn Marino
173ff40c12SJohn Marino
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)183ff40c12SJohn Marino int hostapd_register_probereq_cb(struct hostapd_data *hapd,
193ff40c12SJohn Marino int (*cb)(void *ctx, const u8 *sa,
203ff40c12SJohn Marino const u8 *da, const u8 *bssid,
213ff40c12SJohn Marino const u8 *ie, size_t ie_len,
223ff40c12SJohn Marino int ssi_signal),
233ff40c12SJohn Marino void *ctx)
243ff40c12SJohn Marino {
253ff40c12SJohn Marino struct hostapd_probereq_cb *n;
263ff40c12SJohn Marino
273ff40c12SJohn Marino n = os_realloc_array(hapd->probereq_cb, hapd->num_probereq_cb + 1,
283ff40c12SJohn Marino sizeof(struct hostapd_probereq_cb));
293ff40c12SJohn Marino if (n == NULL)
303ff40c12SJohn Marino return -1;
313ff40c12SJohn Marino
323ff40c12SJohn Marino hapd->probereq_cb = n;
333ff40c12SJohn Marino n = &hapd->probereq_cb[hapd->num_probereq_cb];
343ff40c12SJohn Marino hapd->num_probereq_cb++;
353ff40c12SJohn Marino
363ff40c12SJohn Marino n->cb = cb;
373ff40c12SJohn Marino n->ctx = ctx;
383ff40c12SJohn Marino
393ff40c12SJohn Marino return 0;
403ff40c12SJohn Marino }
413ff40c12SJohn Marino
423ff40c12SJohn Marino
433ff40c12SJohn Marino struct prune_data {
443ff40c12SJohn Marino struct hostapd_data *hapd;
453ff40c12SJohn Marino const u8 *addr;
463ff40c12SJohn Marino };
473ff40c12SJohn Marino
prune_associations(struct hostapd_iface * iface,void * ctx)483ff40c12SJohn Marino static int prune_associations(struct hostapd_iface *iface, void *ctx)
493ff40c12SJohn Marino {
503ff40c12SJohn Marino struct prune_data *data = ctx;
513ff40c12SJohn Marino struct sta_info *osta;
523ff40c12SJohn Marino struct hostapd_data *ohapd;
533ff40c12SJohn Marino size_t j;
543ff40c12SJohn Marino
553ff40c12SJohn Marino for (j = 0; j < iface->num_bss; j++) {
563ff40c12SJohn Marino ohapd = iface->bss[j];
573ff40c12SJohn Marino if (ohapd == data->hapd)
583ff40c12SJohn Marino continue;
59*a1157835SDaniel Fojt #ifdef CONFIG_FST
60*a1157835SDaniel Fojt /* Don't prune STAs belong to same FST */
61*a1157835SDaniel Fojt if (ohapd->iface->fst &&
62*a1157835SDaniel Fojt data->hapd->iface->fst &&
63*a1157835SDaniel Fojt fst_are_ifaces_aggregated(ohapd->iface->fst,
64*a1157835SDaniel Fojt data->hapd->iface->fst))
65*a1157835SDaniel Fojt continue;
66*a1157835SDaniel Fojt #endif /* CONFIG_FST */
673ff40c12SJohn Marino osta = ap_get_sta(ohapd, data->addr);
683ff40c12SJohn Marino if (!osta)
693ff40c12SJohn Marino continue;
703ff40c12SJohn Marino
71*a1157835SDaniel Fojt wpa_printf(MSG_INFO, "%s: Prune association for " MACSTR,
72*a1157835SDaniel Fojt ohapd->conf->iface, MAC2STR(osta->addr));
733ff40c12SJohn Marino ap_sta_disassociate(ohapd, osta, WLAN_REASON_UNSPECIFIED);
743ff40c12SJohn Marino }
753ff40c12SJohn Marino
763ff40c12SJohn Marino return 0;
773ff40c12SJohn Marino }
783ff40c12SJohn Marino
793ff40c12SJohn Marino /**
803ff40c12SJohn Marino * hostapd_prune_associations - Remove extraneous associations
813ff40c12SJohn Marino * @hapd: Pointer to BSS data for the most recent association
823ff40c12SJohn Marino * @addr: Associated STA address
833ff40c12SJohn Marino *
843ff40c12SJohn Marino * This function looks through all radios and BSS's for previous
853ff40c12SJohn Marino * (stale) associations of STA. If any are found they are removed.
863ff40c12SJohn Marino */
hostapd_prune_associations(struct hostapd_data * hapd,const u8 * addr)873ff40c12SJohn Marino void hostapd_prune_associations(struct hostapd_data *hapd, const u8 *addr)
883ff40c12SJohn Marino {
893ff40c12SJohn Marino struct prune_data data;
903ff40c12SJohn Marino data.hapd = hapd;
913ff40c12SJohn Marino data.addr = addr;
923ff40c12SJohn Marino if (hapd->iface->interfaces &&
933ff40c12SJohn Marino hapd->iface->interfaces->for_each_interface)
943ff40c12SJohn Marino hapd->iface->interfaces->for_each_interface(
953ff40c12SJohn Marino hapd->iface->interfaces, prune_associations, &data);
963ff40c12SJohn Marino }
97