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Current Path: /usr/src/contrib/wpa/src/ap

📁 ..
📄 accounting.c(14.53 KB)
📄 accounting.h(1.12 KB)
📄 acs.c(29.71 KB)
📄 acs.h(764 B)
📄 airtime_policy.c(6.82 KB)
📄 airtime_policy.h(1.27 KB)
📄 ap_config.c(33.39 KB)
📄 ap_config.h(26.53 KB)
📄 ap_drv_ops.c(25.84 KB)
📄 ap_drv_ops.h(13.38 KB)
📄 ap_list.c(6.82 KB)
📄 ap_list.h(1.5 KB)
📄 ap_mlme.c(5.64 KB)
📄 ap_mlme.h(1007 B)
📄 authsrv.c(8.72 KB)
📄 authsrv.h(352 B)
📄 beacon.c(40.32 KB)
📄 beacon.h(1.25 KB)
📄 bss_load.c(2.4 KB)
📄 bss_load.h(376 B)
📄 ctrl_iface_ap.c(24.3 KB)
📄 ctrl_iface_ap.h(1.61 KB)
📄 dfs.c(29.35 KB)
📄 dfs.h(1.22 KB)
📄 dhcp_snoop.c(3.36 KB)
📄 dhcp_snoop.h(590 B)
📄 dpp_hostapd.c(48.28 KB)
📄 dpp_hostapd.h(1.74 KB)
📄 drv_callbacks.c(51.68 KB)
📄 eap_user_db.c(7.92 KB)
📄 eth_p_oui.c(4.44 KB)
📄 eth_p_oui.h(958 B)
📄 fils_hlp.c(16.82 KB)
📄 fils_hlp.h(547 B)
📄 gas_query_ap.c(19.53 KB)
📄 gas_query_ap.h(1.24 KB)
📄 gas_serv.c(50.48 KB)
📄 gas_serv.h(3.38 KB)
📄 hostapd.c(89.58 KB)
📄 hostapd.h(17.99 KB)
📄 hs20.c(6.27 KB)
📄 hs20.h(843 B)
📄 hw_features.c(24.77 KB)
📄 hw_features.h(1.93 KB)
📄 iapp.c(14.59 KB)
📄 iapp.h(833 B)
📄 ieee802_11.c(148.71 KB)
📄 ieee802_11.h(7.97 KB)
📄 ieee802_11_auth.c(18.3 KB)
📄 ieee802_11_auth.h(1.04 KB)
📄 ieee802_11_he.c(8.77 KB)
📄 ieee802_11_ht.c(16.22 KB)
📄 ieee802_11_shared.c(23.95 KB)
📄 ieee802_11_vht.c(13.4 KB)
📄 ieee802_1x.c(83.16 KB)
📄 ieee802_1x.h(2.84 KB)
📄 mbo_ap.c(5.22 KB)
📄 mbo_ap.h(1.16 KB)
📄 ndisc_snoop.c(4.3 KB)
📄 ndisc_snoop.h(838 B)
📄 neighbor_db.c(6.49 KB)
📄 neighbor_db.h(940 B)
📄 p2p_hostapd.c(2.57 KB)
📄 p2p_hostapd.h(888 B)
📄 pmksa_cache_auth.c(18.79 KB)
📄 pmksa_cache_auth.h(2.69 KB)
📄 preauth_auth.c(6.47 KB)
📄 preauth_auth.h(1.26 KB)
📄 rrm.c(17.27 KB)
📄 rrm.h(1.21 KB)
📄 sta_info.c(41.42 KB)
📄 sta_info.h(11.63 KB)
📄 taxonomy.c(7.45 KB)
📄 taxonomy.h(766 B)
📄 tkip_countermeasures.c(2.95 KB)
📄 tkip_countermeasures.h(451 B)
📄 utils.c(2.29 KB)
📄 vlan.c(756 B)
📄 vlan.h(727 B)
📄 vlan_full.c(18.35 KB)
📄 vlan_ifconfig.c(1.47 KB)
📄 vlan_init.c(5.88 KB)
📄 vlan_init.h(1.09 KB)
📄 vlan_ioctl.c(3.75 KB)
📄 vlan_util.c(3.9 KB)
📄 vlan_util.h(980 B)
📄 wmm.c(11.47 KB)
📄 wmm.h(653 B)
📄 wnm_ap.c(23.69 KB)
📄 wnm_ap.h(1.08 KB)
📄 wpa_auth.c(140.03 KB)
📄 wpa_auth.h(17.89 KB)
📄 wpa_auth_ft.c(120.89 KB)
📄 wpa_auth_glue.c(35.42 KB)
📄 wpa_auth_glue.h(443 B)
📄 wpa_auth_i.h(8.47 KB)
📄 wpa_auth_ie.c(32.38 KB)
📄 wpa_auth_ie.h(1.14 KB)
📄 wpa_auth_kay.c(12.26 KB)
📄 wpa_auth_kay.h(1.15 KB)
📄 wps_hostapd.c(54.66 KB)
📄 wps_hostapd.h(2.79 KB)
📄 x_snoop.c(3.21 KB)
📄 x_snoop.h(1.29 KB)

Editing: tkip_countermeasures.c

/*
 * hostapd / TKIP countermeasures
 * Copyright (c) 2002-2012, Jouni Malinen <j@w1.fi>
 *
 * This software may be distributed under the terms of the BSD license.
 * See README for more details.
 */

#include "utils/includes.h"

#include "utils/common.h"
#include "utils/eloop.h"
#include "common/ieee802_11_defs.h"
#include "radius/radius.h"
#include "hostapd.h"
#include "sta_info.h"
#include "ap_mlme.h"
#include "wpa_auth.h"
#include "ap_drv_ops.h"
#include "tkip_countermeasures.h"

static void ieee80211_tkip_countermeasures_stop(void *eloop_ctx,
						void *timeout_ctx)
{
	struct hostapd_data *hapd = eloop_ctx;
	hapd->tkip_countermeasures = 0;
	hostapd_drv_set_countermeasures(hapd, 0);
	hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211,
		       HOSTAPD_LEVEL_INFO, "TKIP countermeasures ended");
}

static void ieee80211_tkip_countermeasures_start(struct hostapd_data *hapd)
{
	struct sta_info *sta;

hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211,
		       HOSTAPD_LEVEL_INFO, "TKIP countermeasures initiated");

wpa_auth_countermeasures_start(hapd->wpa_auth);
	hapd->tkip_countermeasures = 1;
	hostapd_drv_set_countermeasures(hapd, 1);
	wpa_gtk_rekey(hapd->wpa_auth);
	eloop_cancel_timeout(ieee80211_tkip_countermeasures_stop, hapd, NULL);
	eloop_register_timeout(60, 0, ieee80211_tkip_countermeasures_stop,
			       hapd, NULL);
	while ((sta = hapd->sta_list)) {
		sta->acct_terminate_cause =
			RADIUS_ACCT_TERMINATE_CAUSE_ADMIN_RESET;
		if (sta->flags & WLAN_STA_AUTH) {
			mlme_deauthenticate_indication(
				hapd, sta,
				WLAN_REASON_MICHAEL_MIC_FAILURE);
		}
		hostapd_drv_sta_deauth(hapd, sta->addr,
				       WLAN_REASON_MICHAEL_MIC_FAILURE);
		ap_free_sta(hapd, sta);
	}
}

void ieee80211_tkip_countermeasures_deinit(struct hostapd_data *hapd)
{
	eloop_cancel_timeout(ieee80211_tkip_countermeasures_stop, hapd, NULL);
}

int michael_mic_failure(struct hostapd_data *hapd, const u8 *addr, int local)
{
	struct os_reltime now;
	int ret = 0;

hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211,
		       HOSTAPD_LEVEL_INFO,
		       "Michael MIC failure detected in received frame%s",
		       local ? " (local)" : "");

if (addr && local) {
		struct sta_info *sta = ap_get_sta(hapd, addr);
		if (sta != NULL) {
			wpa_auth_sta_local_mic_failure_report(sta->wpa_sm);
			hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211,
				       HOSTAPD_LEVEL_INFO,
				       "Michael MIC failure detected in "
				       "received frame");
			mlme_michaelmicfailure_indication(hapd, addr);
		} else {
			wpa_printf(MSG_DEBUG,
				   "MLME-MICHAELMICFAILURE.indication "
				   "for not associated STA (" MACSTR
				   ") ignored", MAC2STR(addr));
			return ret;
		}
	}

os_get_reltime(&now);
	if (os_reltime_expired(&now, &hapd->michael_mic_failure, 60)) {
		hapd->michael_mic_failures = 1;
	} else {
		hapd->michael_mic_failures++;
		if (hapd->michael_mic_failures > 1) {
			ieee80211_tkip_countermeasures_start(hapd);
			ret = 1;
		}
	}
	hapd->michael_mic_failure = now;

return ret;
}

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Editing: tkip_countermeasures.c

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