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https://github.com/vanhoefm/fragattacks.git
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Maintain a pointer to the current BSS table entry
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parent
a1fd2ce54e
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8f770587d9
@ -271,7 +271,8 @@ static void wpa_bss_timeout(void *eloop_ctx, void *timeout_ctx)
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t.sec -= WPA_BSS_EXPIRATION_AGE;
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dl_list_for_each_safe(bss, n, &wpa_s->bss, struct wpa_bss, list) {
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if (os_memcmp(bss->bssid, wpa_s->bssid, ETH_ALEN) == 0 ||
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if (bss == wpa_s->current_bss ||
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os_memcmp(bss->bssid, wpa_s->bssid, ETH_ALEN) == 0 ||
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os_memcmp(bss->bssid, wpa_s->pending_bssid, ETH_ALEN) == 0)
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continue; /* do not expire BSSes that are in use */
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@ -2086,20 +2086,15 @@ DBusMessage * wpas_dbus_getter_current_bss(DBusMessage *message,
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{
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DBusMessage *reply = NULL;
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char *bss_obj_path = os_zalloc(WPAS_DBUS_OBJECT_PATH_MAX);
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struct wpa_bss *bss = NULL;
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if (bss_obj_path == NULL)
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return dbus_message_new_error(message, DBUS_ERROR_NO_MEMORY,
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NULL);
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/* TODO: store current BSS or BSS id in wpa_s */
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if (!is_zero_ether_addr(wpa_s->bssid))
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bss = wpa_bss_get_bssid(wpa_s, wpa_s->bssid);
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if (bss)
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if (wpa_s->current_bss)
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os_snprintf(bss_obj_path, WPAS_DBUS_OBJECT_PATH_MAX,
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"%s/" WPAS_DBUS_NEW_BSSIDS_PART "/%u",
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wpa_s->dbus_new_path, bss->id);
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wpa_s->dbus_new_path, wpa_s->current_bss->id);
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else
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os_snprintf(bss_obj_path, WPAS_DBUS_OBJECT_PATH_MAX, "/");
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@ -1037,6 +1037,17 @@ static void wpa_supplicant_event_assoc(struct wpa_supplicant *wpa_s,
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wpa_s, WLAN_REASON_DEAUTH_LEAVING);
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return;
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}
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if (wpa_s->current_ssid) {
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struct wpa_bss *bss = NULL;
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struct wpa_ssid *ssid = wpa_s->current_ssid;
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if (ssid->ssid_len > 0)
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bss = wpa_bss_get(wpa_s, bssid,
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ssid->ssid, ssid->ssid_len);
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if (!bss)
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bss = wpa_bss_get_bssid(wpa_s, bssid);
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if (bss)
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wpa_s->current_bss = bss;
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}
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}
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#ifdef CONFIG_SME
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@ -47,6 +47,8 @@ void sme_authenticate(struct wpa_supplicant *wpa_s,
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return;
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}
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wpa_s->current_bss = bss;
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os_memset(¶ms, 0, sizeof(params));
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wpa_s->reassociate = 0;
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@ -998,6 +998,7 @@ void wpa_supplicant_associate(struct wpa_supplicant *wpa_s,
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return;
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}
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wpa_supplicant_create_ap(wpa_s, ssid);
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wpa_s->current_bss = bss;
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#else /* CONFIG_AP */
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wpa_printf(MSG_ERROR, "AP mode support not included in the "
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"build");
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@ -1291,6 +1292,7 @@ void wpa_supplicant_associate(struct wpa_supplicant *wpa_s,
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}
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old_ssid = wpa_s->current_ssid;
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wpa_s->current_ssid = ssid;
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wpa_s->current_bss = bss;
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wpa_supplicant_rsn_supp_set_config(wpa_s, wpa_s->current_ssid);
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wpa_supplicant_initiate_eapol(wpa_s);
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if (old_ssid != wpa_s->current_ssid)
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@ -1323,6 +1325,7 @@ void wpa_supplicant_disassociate(struct wpa_supplicant *wpa_s,
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wpa_supplicant_mark_disassoc(wpa_s);
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old_ssid = wpa_s->current_ssid;
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wpa_s->current_ssid = NULL;
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wpa_s->current_bss = NULL;
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wpa_sm_set_config(wpa_s->wpa, NULL);
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eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
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if (old_ssid != wpa_s->current_ssid)
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@ -1356,6 +1359,7 @@ void wpa_supplicant_deauthenticate(struct wpa_supplicant *wpa_s,
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wpa_supplicant_mark_disassoc(wpa_s);
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old_ssid = wpa_s->current_ssid;
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wpa_s->current_ssid = NULL;
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wpa_s->current_bss = NULL;
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wpa_sm_set_config(wpa_s->wpa, NULL);
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eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
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if (old_ssid != wpa_s->current_ssid)
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@ -323,6 +323,7 @@ struct wpa_supplicant {
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int disconnected; /* all connections disabled; i.e., do no reassociate
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* before this has been cleared */
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struct wpa_ssid *current_ssid;
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struct wpa_bss *current_bss;
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int ap_ies_from_associnfo;
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unsigned int assoc_freq;
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