Moved TKIP countermeasures from hostapd.c to its own file

diff --git a/hostapd/Makefile b/hostapd/Makefile
index 08e559b..caacf8b 100644 (file)
--- a/hostapd/Makefile
+++ b/hostapd/Makefile
@@ -43,6 +43,7 @@ OBJS =        hostapd.o ieee802_1x.o eapol_sm.o \
        sta_info.o wpa.o ctrl_iface.o \
        drivers.o preauth.o pmksa_cache.o \
        hw_features.o \
+       tkip_countermeasures.o \
        mlme.o vlan_init.o wpa_auth_ie.o
 
 OBJS += ../src/utils/eloop.o

diff --git a/hostapd/hostapd.c b/hostapd/hostapd.c
index ba2f6f3..a88726f 100644 (file)
--- a/hostapd/hostapd.c
+++ b/hostapd/hostapd.c
@@ -46,7 +46,7 @@
 #include "version.h"
 #include "l2_packet/l2_packet.h"
 #include "wps_hostapd.h"
-#include "mlme.h"
+#include "tkip_countermeasures.h"
 
 
 static int hostapd_radius_get_eap_user(void *ctx, const u8 *identity,
@@ -168,76 +168,6 @@ static void hostapd_logger_cb(void *ctx, const u8 *addr, unsigned int module,
 }
 
 
-static void ieee80211_tkip_countermeasures_stop(void *eloop_ctx,
-                                               void *timeout_ctx)
-{
-       struct hostapd_data *hapd = eloop_ctx;
-       hapd->tkip_countermeasures = 0;
-       hostapd_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_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);
-       for (sta = hapd->sta_list; sta != NULL; sta = sta->next) {
-               hostapd_sta_deauth(hapd, sta->addr,
-                                  WLAN_REASON_MICHAEL_MIC_FAILURE);
-               sta->flags &= ~(WLAN_STA_AUTH | WLAN_STA_ASSOC |
-                               WLAN_STA_AUTHORIZED);
-               hostapd_sta_remove(hapd, sta->addr);
-       }
-}
-
-
-static void ieee80211_michael_mic_failure(struct hostapd_data *hapd,
-                                         const u8 *addr, int local)
-{
-       time_t now;
-
-       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;
-               }
-       }
-
-       time(&now);
-       if (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);
-       }
-       hapd->michael_mic_failure = now;
-}
-
-
 /**
  * hostapd_prune_associations - Remove extraneous associations
  * @hapd: Pointer to BSS data for the most recent association
@@ -467,7 +397,7 @@ void hostapd_mgmt_tx_cb(struct hostapd_data *hapd, u8 *buf, size_t len,
 
 void hostapd_michael_mic_failure(struct hostapd_data *hapd, const u8 *addr)
 {
-       ieee80211_michael_mic_failure(hapd, addr, 1);
+       michael_mic_failure(hapd, addr, 1);
 }
 
 
@@ -1027,7 +957,7 @@ static void hostapd_wpa_auth_disconnect(void *ctx, const u8 *addr,
 static void hostapd_wpa_auth_mic_failure_report(void *ctx, const u8 *addr)
 {
        struct hostapd_data *hapd = ctx;
-       ieee80211_michael_mic_failure(hapd, addr, 0);
+       michael_mic_failure(hapd, addr, 0);
 }
 
 

diff --git a/hostapd/tkip_countermeasures.c b/hostapd/tkip_countermeasures.c
new file mode 100644 (file)
index 0000000..a2f6769
--- /dev/null
+++ b/hostapd/tkip_countermeasures.c
@@ -0,0 +1,91 @@
+/*
+ * hostapd / TKIP countermeasures
+ * Copyright (c) 2002-2009, 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 "hostapd.h"
+#include "eloop.h"
+#include "driver_i.h"
+#include "sta_info.h"
+#include "mlme.h"
+#include "wpa.h"
+
+
+static void ieee80211_tkip_countermeasures_stop(void *eloop_ctx,
+                                               void *timeout_ctx)
+{
+       struct hostapd_data *hapd = eloop_ctx;
+       hapd->tkip_countermeasures = 0;
+       hostapd_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_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);
+       for (sta = hapd->sta_list; sta != NULL; sta = sta->next) {
+               hostapd_sta_deauth(hapd, sta->addr,
+                                  WLAN_REASON_MICHAEL_MIC_FAILURE);
+               sta->flags &= ~(WLAN_STA_AUTH | WLAN_STA_ASSOC |
+                               WLAN_STA_AUTHORIZED);
+               hostapd_sta_remove(hapd, sta->addr);
+       }
+}
+
+
+void michael_mic_failure(struct hostapd_data *hapd, const u8 *addr, int local)
+{
+       time_t now;
+
+       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;
+               }
+       }
+
+       time(&now);
+       if (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);
+       }
+       hapd->michael_mic_failure = now;
+}

diff --git a/hostapd/tkip_countermeasures.h b/hostapd/tkip_countermeasures.h
new file mode 100644 (file)
index 0000000..5a1afce
--- /dev/null
+++ b/hostapd/tkip_countermeasures.h
@@ -0,0 +1,20 @@
+/*
+ * hostapd / TKIP countermeasures
+ * Copyright (c) 2002-2009, 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.
+ */
+
+#ifndef TKIP_COUNTERMEASURES_H
+#define TKIP_COUNTERMEASURES_H
+
+void michael_mic_failure(struct hostapd_data *hapd, const u8 *addr, int local);
+
+#endif /* TKIP_COUNTERMEASURES_H */