Renamed Ping procedure into SA Query procedure per 802.11w/D7.0
This commit changes just the name and Action category per D7.0. The retransmit/timeout processing in the AP is not yet updated with the changes in D7.0.
This commit is contained in:
Jouni Malinen
parent
9a9876bf9c
commit
93b76319f1
6 changed files with 109 additions and 105 deletions
13
hostapd/ap.h
13
hostapd/ap.h
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@ -1,6 +1,6 @@
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/*
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* hostapd / Station table data structures
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* Copyright (c) 2002-2004, Jouni Malinen <j@w1.fi>
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* Copyright (c) 2002-2008, Jouni Malinen <j@w1.fi>
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* Copyright (c) 2007-2008, Intel Corporation
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*
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* This program is free software; you can redistribute it and/or modify
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@ -100,11 +100,12 @@ struct sta_info {
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#endif /* CONFIG_IEEE80211N */
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#ifdef CONFIG_IEEE80211W
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int ping_count; /* number of pending ping requests;
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* 0 = no ping in progress */
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int ping_timed_out;
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u8 *ping_trans_id; /* buffer of WLAN_PING_TRANS_ID_LEN * ping_count
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* octets of pending ping transaction identifiers */
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int sa_query_count; /* number of pending SA Query requests;
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* 0 = no SA Query in progress */
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int sa_query_timed_out;
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u8 *sa_query_trans_id; /* buffer of WLAN_SA_QUERY_TR_ID_LEN *
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* sa_query_count octets of pending SA Query
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* transaction identifiers */
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#endif /* CONFIG_IEEE80211W */
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struct wpabuf *wps_ie; /* WPS IE from (Re)Association Request */
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@ -302,7 +302,7 @@ static u8 * hostapd_eid_assoc_comeback_time(struct hostapd_data *hapd,
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*pos++ = WLAN_EID_ASSOC_COMEBACK_TIME;
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*pos++ = 4;
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timeout = (hapd->conf->assoc_ping_attempts - sta->ping_count + 1) *
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timeout = (hapd->conf->assoc_ping_attempts - sta->sa_query_count + 1) *
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hapd->conf->assoc_ping_timeout;
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WPA_PUT_LE32(pos, timeout);
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pos += 4;
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@ -893,16 +893,16 @@ static void handle_assoc(struct hostapd_data *hapd,
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if (resp != WLAN_STATUS_SUCCESS)
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goto fail;
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#ifdef CONFIG_IEEE80211W
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if ((sta->flags & WLAN_STA_MFP) && !sta->ping_timed_out) {
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if ((sta->flags & WLAN_STA_MFP) && !sta->sa_query_timed_out) {
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/*
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* STA has already been associated with MFP and ping
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* timeout has not been reached. Reject the
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* association attempt temporarily and start ping, if
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* one is not pending.
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* STA has already been associated with MFP and SA
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* Query timeout has not been reached. Reject the
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* association attempt temporarily and start SA Query,
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* if one is not pending.
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*/
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if (sta->ping_count == 0)
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ap_sta_start_ping(hapd, sta);
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if (sta->sa_query_count == 0)
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ap_sta_start_sa_query(hapd, sta);
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resp = WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY;
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goto fail;
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@ -1225,51 +1225,54 @@ static void handle_beacon(struct hostapd_data *hapd,
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#ifdef CONFIG_IEEE80211W
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static void hostapd_ping_action(struct hostapd_data *hapd,
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static void hostapd_sa_query_action(struct hostapd_data *hapd,
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struct ieee80211_mgmt *mgmt, size_t len)
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{
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struct sta_info *sta;
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u8 *end;
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int i;
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end = mgmt->u.action.u.ping_resp.trans_id + WLAN_PING_TRANS_ID_LEN;
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end = mgmt->u.action.u.sa_query_resp.trans_id +
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WLAN_SA_QUERY_TR_ID_LEN;
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if (((u8 *) mgmt) + len < end) {
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wpa_printf(MSG_DEBUG, "IEEE 802.11: Too short Ping Action "
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wpa_printf(MSG_DEBUG, "IEEE 802.11: Too short SA Query Action "
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"frame (len=%lu)", (unsigned long) len);
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return;
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}
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if (mgmt->u.action.u.ping_resp.action != WLAN_PING_RESPONSE) {
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wpa_printf(MSG_DEBUG, "IEEE 802.11: Unexpected Ping Action %d",
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mgmt->u.action.u.ping_resp.action);
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if (mgmt->u.action.u.sa_query_resp.action != WLAN_SA_QUERY_RESPONSE) {
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wpa_printf(MSG_DEBUG, "IEEE 802.11: Unexpected SA Query "
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"Action %d", mgmt->u.action.u.sa_query_resp.action);
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return;
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}
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/* MLME-PING.confirm */
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/* MLME-SAQuery.confirm */
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sta = ap_get_sta(hapd, mgmt->sa);
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if (sta == NULL || sta->ping_trans_id == NULL) {
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if (sta == NULL || sta->sa_query_trans_id == NULL) {
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wpa_printf(MSG_DEBUG, "IEEE 802.11: No matching STA with "
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"pending ping request found");
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"pending SA Query request found");
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return;
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}
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for (i = 0; i < sta->ping_count; i++) {
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if (os_memcmp(sta->ping_trans_id + i * WLAN_PING_TRANS_ID_LEN,
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mgmt->u.action.u.ping_resp.trans_id,
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WLAN_PING_TRANS_ID_LEN) == 0)
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for (i = 0; i < sta->sa_query_count; i++) {
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if (os_memcmp(sta->sa_query_trans_id +
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i * WLAN_SA_QUERY_TR_ID_LEN,
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mgmt->u.action.u.sa_query_resp.trans_id,
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WLAN_SA_QUERY_TR_ID_LEN) == 0)
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break;
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}
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if (i >= sta->ping_count) {
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wpa_printf(MSG_DEBUG, "IEEE 802.11: No matching ping "
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if (i >= sta->sa_query_count) {
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wpa_printf(MSG_DEBUG, "IEEE 802.11: No matching SA Query "
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"transaction identifier found");
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return;
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}
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hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
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HOSTAPD_LEVEL_DEBUG, "Reply to pending ping received");
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ap_sta_stop_ping(hapd, sta);
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HOSTAPD_LEVEL_DEBUG,
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"Reply to pending SA Query received");
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ap_sta_stop_sa_query(hapd, sta);
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}
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#endif /* CONFIG_IEEE80211W */
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@ -1310,8 +1313,8 @@ static void handle_action(struct hostapd_data *hapd,
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hostapd_wme_action(hapd, mgmt, len);
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return;
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#ifdef CONFIG_IEEE80211W
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case WLAN_ACTION_PING:
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hostapd_ping_action(hapd, mgmt, len);
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case WLAN_ACTION_SA_QUERY:
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hostapd_sa_query_action(hapd, mgmt, len);
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return;
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#endif /* CONFIG_IEEE80211W */
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}
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@ -1529,7 +1532,7 @@ static void handle_assoc_cb(struct hostapd_data *hapd,
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#endif /* CONFIG_IEEE80211N */
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#ifdef CONFIG_IEEE80211W
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sta->ping_timed_out = 0;
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sta->sa_query_timed_out = 0;
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#endif /* CONFIG_IEEE80211W */
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if (hostapd_sta_add(hapd->conf->iface, hapd, sta->addr, sta->aid,
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@ -35,7 +35,7 @@ static int ap_sta_in_other_bss(struct hostapd_data *hapd,
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struct sta_info *sta, u32 flags);
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static void ap_handle_session_timer(void *eloop_ctx, void *timeout_ctx);
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#ifdef CONFIG_IEEE80211W
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static void ap_ping_timer(void *eloop_ctx, void *timeout_ctx);
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static void ap_sa_query_timer(void *eloop_ctx, void *timeout_ctx);
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#endif /* CONFIG_IEEE80211W */
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int ap_for_each_sta(struct hostapd_data *hapd,
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@ -189,8 +189,8 @@ void ap_free_sta(struct hostapd_data *hapd, struct sta_info *sta)
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os_free(sta->challenge);
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#ifdef CONFIG_IEEE80211W
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os_free(sta->ping_trans_id);
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eloop_cancel_timeout(ap_ping_timer, hapd, sta);
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os_free(sta->sa_query_trans_id);
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eloop_cancel_timeout(ap_sa_query_timer, hapd, sta);
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#endif /* CONFIG_IEEE80211W */
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wpabuf_free(sta->wps_ie);
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@ -613,9 +613,9 @@ int ap_sta_bind_vlan(struct hostapd_data *hapd, struct sta_info *sta,
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#ifdef CONFIG_IEEE80211W
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/* MLME-PING.request */
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static void ieee802_11_send_ping_req(struct hostapd_data *hapd, const u8 *addr,
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const u8 *trans_id)
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/* MLME-SAQuery.request */
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static void ieee802_11_send_sa_query_req(struct hostapd_data *hapd,
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const u8 *addr, const u8 *trans_id)
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{
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struct ieee80211_mgmt mgmt;
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u8 *end;
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@ -626,70 +626,70 @@ static void ieee802_11_send_ping_req(struct hostapd_data *hapd, const u8 *addr,
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os_memcpy(mgmt.da, addr, ETH_ALEN);
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os_memcpy(mgmt.sa, hapd->own_addr, ETH_ALEN);
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os_memcpy(mgmt.bssid, hapd->own_addr, ETH_ALEN);
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mgmt.u.action.category = WLAN_ACTION_PING;
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mgmt.u.action.u.ping_req.action = WLAN_PING_REQUEST;
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os_memcpy(mgmt.u.action.u.ping_req.trans_id, trans_id,
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WLAN_PING_TRANS_ID_LEN);
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end = mgmt.u.action.u.ping_req.trans_id + WLAN_PING_TRANS_ID_LEN;
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mgmt.u.action.category = WLAN_ACTION_SA_QUERY;
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mgmt.u.action.u.sa_query_req.action = WLAN_SA_QUERY_REQUEST;
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os_memcpy(mgmt.u.action.u.sa_query_req.trans_id, trans_id,
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WLAN_SA_QUERY_TR_ID_LEN);
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end = mgmt.u.action.u.sa_query_req.trans_id + WLAN_SA_QUERY_TR_ID_LEN;
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if (hostapd_send_mgmt_frame(hapd, &mgmt, IEEE80211_HDRLEN +
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end - (u8 *) &mgmt, 0) < 0)
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perror("ieee802_11_send_ping_req: send");
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perror("ieee802_11_send_sa_query_req: send");
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}
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static void ap_ping_timer(void *eloop_ctx, void *timeout_ctx)
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static void ap_sa_query_timer(void *eloop_ctx, void *timeout_ctx)
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{
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struct hostapd_data *hapd = eloop_ctx;
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struct sta_info *sta = timeout_ctx;
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unsigned int timeout, sec, usec;
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u8 *trans_id, *nbuf;
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if (sta->ping_count >= hapd->conf->assoc_ping_attempts) {
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if (sta->sa_query_count >= hapd->conf->assoc_ping_attempts) {
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hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
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HOSTAPD_LEVEL_DEBUG,
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"association ping timed out");
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sta->ping_timed_out = 1;
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os_free(sta->ping_trans_id);
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sta->ping_trans_id = NULL;
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sta->ping_count = 0;
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"association SA Query timed out");
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sta->sa_query_timed_out = 1;
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os_free(sta->sa_query_trans_id);
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sta->sa_query_trans_id = NULL;
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sta->sa_query_count = 0;
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return;
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}
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nbuf = os_realloc(sta->ping_trans_id,
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(sta->ping_count + 1) * WLAN_PING_TRANS_ID_LEN);
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nbuf = os_realloc(sta->sa_query_trans_id,
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(sta->sa_query_count + 1) * WLAN_SA_QUERY_TR_ID_LEN);
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if (nbuf == NULL)
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return;
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trans_id = nbuf + sta->ping_count * WLAN_PING_TRANS_ID_LEN;
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sta->ping_trans_id = nbuf;
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sta->ping_count++;
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trans_id = nbuf + sta->sa_query_count * WLAN_SA_QUERY_TR_ID_LEN;
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sta->sa_query_trans_id = nbuf;
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sta->sa_query_count++;
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os_get_random(trans_id, WLAN_PING_TRANS_ID_LEN);
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os_get_random(trans_id, WLAN_SA_QUERY_TR_ID_LEN);
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hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
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HOSTAPD_LEVEL_DEBUG,
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"association ping attempt %d", sta->ping_count);
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"association SA Query attempt %d", sta->sa_query_count);
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ieee802_11_send_ping_req(hapd, sta->addr, trans_id);
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ieee802_11_send_sa_query_req(hapd, sta->addr, trans_id);
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timeout = hapd->conf->assoc_ping_timeout;
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sec = ((timeout / 1000) * 1024) / 1000;
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usec = (timeout % 1000) * 1024;
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eloop_register_timeout(sec, usec, ap_ping_timer, hapd, sta);
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eloop_register_timeout(sec, usec, ap_sa_query_timer, hapd, sta);
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}
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void ap_sta_start_ping(struct hostapd_data *hapd, struct sta_info *sta)
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void ap_sta_start_sa_query(struct hostapd_data *hapd, struct sta_info *sta)
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{
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ap_ping_timer(hapd, sta);
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ap_sa_query_timer(hapd, sta);
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}
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void ap_sta_stop_ping(struct hostapd_data *hapd, struct sta_info *sta)
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void ap_sta_stop_sa_query(struct hostapd_data *hapd, struct sta_info *sta)
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{
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eloop_cancel_timeout(ap_ping_timer, hapd, sta);
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os_free(sta->ping_trans_id);
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sta->ping_trans_id = NULL;
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sta->ping_count = 0;
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eloop_cancel_timeout(ap_sa_query_timer, hapd, sta);
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os_free(sta->sa_query_trans_id);
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sta->sa_query_trans_id = NULL;
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sta->sa_query_count = 0;
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}
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#endif /* CONFIG_IEEE80211W */
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@ -1,6 +1,6 @@
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/*
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* hostapd / Station table
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* Copyright (c) 2002-2004, Jouni Malinen <j@w1.fi>
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* Copyright (c) 2002-2008, 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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@ -36,7 +36,7 @@ void ap_sta_deauthenticate(struct hostapd_data *hapd, struct sta_info *sta,
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u16 reason);
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int ap_sta_bind_vlan(struct hostapd_data *hapd, struct sta_info *sta,
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int old_vlanid);
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void ap_sta_start_ping(struct hostapd_data *hapd, struct sta_info *sta);
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void ap_sta_stop_ping(struct hostapd_data *hapd, struct sta_info *sta);
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void ap_sta_start_sa_query(struct hostapd_data *hapd, struct sta_info *sta);
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void ap_sta_stop_sa_query(struct hostapd_data *hapd, struct sta_info *sta);
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#endif /* STA_INFO_H */
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@ -214,14 +214,14 @@
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#define WLAN_ACTION_BLOCK_ACK 3
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#define WLAN_ACTION_RADIO_MEASUREMENT 5
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#define WLAN_ACTION_FT 6
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#define WLAN_ACTION_PING 8
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#define WLAN_ACTION_SA_QUERY 7
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#define WLAN_ACTION_WMM 17
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/* Ping Action frame (IEEE 802.11w/D6.0, 7.4.9) */
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#define WLAN_PING_REQUEST 0
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#define WLAN_PING_RESPONSE 1
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/* SA Query Action frame (IEEE 802.11w/D7.0, 7.4.9) */
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#define WLAN_SA_QUERY_REQUEST 0
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#define WLAN_SA_QUERY_RESPONSE 1
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#define WLAN_PING_TRANS_ID_LEN 16
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#define WLAN_SA_QUERY_TR_ID_LEN 16
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#ifdef _MSC_VER
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@ -321,12 +321,12 @@ struct ieee80211_mgmt {
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} STRUCT_PACKED ft_action_resp;
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struct {
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u8 action;
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u8 trans_id[WLAN_PING_TRANS_ID_LEN];
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} STRUCT_PACKED ping_req;
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u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
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} STRUCT_PACKED sa_query_req;
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struct {
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u8 action; /* */
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u8 trans_id[WLAN_PING_TRANS_ID_LEN];
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} STRUCT_PACKED ping_resp;
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u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
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} STRUCT_PACKED sa_query_resp;
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} u;
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} STRUCT_PACKED action;
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} u;
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@ -1738,8 +1738,8 @@ static void ieee80211_rx_mgmt_ft_action(struct wpa_supplicant *wpa_s,
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#ifdef CONFIG_IEEE80211W
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/* MLME-PING.response */
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static int ieee80211_sta_send_ping_resp(struct wpa_supplicant *wpa_s,
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/* MLME-SAQuery.response */
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static int ieee80211_sta_send_sa_query_resp(struct wpa_supplicant *wpa_s,
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const u8 *addr, const u8 *trans_id)
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{
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struct ieee80211_mgmt *mgmt;
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@ -1749,7 +1749,7 @@ static int ieee80211_sta_send_ping_resp(struct wpa_supplicant *wpa_s,
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mgmt = os_zalloc(sizeof(*mgmt));
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if (mgmt == NULL) {
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wpa_printf(MSG_DEBUG, "MLME: Failed to allocate buffer for "
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"ping action frame");
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"SA Query action frame");
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return -1;
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}
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@ -1759,11 +1759,11 @@ static int ieee80211_sta_send_ping_resp(struct wpa_supplicant *wpa_s,
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os_memcpy(mgmt->bssid, wpa_s->bssid, ETH_ALEN);
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mgmt->frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
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WLAN_FC_STYPE_ACTION);
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mgmt->u.action.category = WLAN_ACTION_PING;
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mgmt->u.action.u.ping_resp.action = WLAN_PING_RESPONSE;
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os_memcpy(mgmt->u.action.u.ping_resp.trans_id, trans_id,
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||||
WLAN_PING_TRANS_ID_LEN);
|
||||
len += 1 + sizeof(mgmt->u.action.u.ping_resp);
|
||||
mgmt->u.action.category = WLAN_ACTION_SA_QUERY;
|
||||
mgmt->u.action.u.sa_query_resp.action = WLAN_SA_QUERY_RESPONSE;
|
||||
os_memcpy(mgmt->u.action.u.sa_query_resp.trans_id, trans_id,
|
||||
WLAN_SA_QUERY_TR_ID_LEN);
|
||||
len += 1 + sizeof(mgmt->u.action.u.sa_query_resp);
|
||||
|
||||
res = ieee80211_sta_tx(wpa_s, (u8 *) mgmt, len);
|
||||
os_free(mgmt);
|
||||
|
|
@ -1772,36 +1772,36 @@ static int ieee80211_sta_send_ping_resp(struct wpa_supplicant *wpa_s,
|
|||
}
|
||||
|
||||
|
||||
static void ieee80211_rx_mgmt_ping_action(
|
||||
static void ieee80211_rx_mgmt_sa_query_action(
|
||||
struct wpa_supplicant *wpa_s, struct ieee80211_mgmt *mgmt, size_t len,
|
||||
struct ieee80211_rx_status *rx_status)
|
||||
{
|
||||
if (len < 24 + 1 + sizeof(mgmt->u.action.u.ping_req)) {
|
||||
wpa_printf(MSG_DEBUG, "MLME: Too short Ping Action frame");
|
||||
if (len < 24 + 1 + sizeof(mgmt->u.action.u.sa_query_req)) {
|
||||
wpa_printf(MSG_DEBUG, "MLME: Too short SA Query Action frame");
|
||||
return;
|
||||
}
|
||||
|
||||
if (mgmt->u.action.u.ping_req.action != WLAN_PING_REQUEST) {
|
||||
wpa_printf(MSG_DEBUG, "MLME: Unexpected Ping Action %d",
|
||||
mgmt->u.action.u.ping_req.action);
|
||||
if (mgmt->u.action.u.sa_query_req.action != WLAN_SA_QUERY_REQUEST) {
|
||||
wpa_printf(MSG_DEBUG, "MLME: Unexpected SA Query Action %d",
|
||||
mgmt->u.action.u.sa_query_req.action);
|
||||
return;
|
||||
}
|
||||
|
||||
if (os_memcmp(mgmt->sa, wpa_s->bssid, ETH_ALEN) != 0) {
|
||||
wpa_printf(MSG_DEBUG, "MLME: Ignore ping from unknown source "
|
||||
MACSTR, MAC2STR(mgmt->sa));
|
||||
wpa_printf(MSG_DEBUG, "MLME: Ignore SA Query from unknown "
|
||||
"source " MACSTR, MAC2STR(mgmt->sa));
|
||||
return;
|
||||
}
|
||||
|
||||
if (wpa_s->mlme.state == IEEE80211_ASSOCIATE) {
|
||||
wpa_printf(MSG_DEBUG, "MLME: Ignore ping request during "
|
||||
wpa_printf(MSG_DEBUG, "MLME: Ignore SA query request during "
|
||||
"association process");
|
||||
return;
|
||||
}
|
||||
|
||||
wpa_printf(MSG_DEBUG, "MLME: Replying to ping request");
|
||||
ieee80211_sta_send_ping_resp(wpa_s, mgmt->sa,
|
||||
mgmt->u.action.u.ping_req.trans_id);
|
||||
wpa_printf(MSG_DEBUG, "MLME: Replying to SA Query request");
|
||||
ieee80211_sta_send_sa_query_resp(wpa_s, mgmt->sa, mgmt->u.action.u.
|
||||
sa_query_req.trans_id);
|
||||
}
|
||||
|
||||
#endif /* CONFIG_IEEE80211W */
|
||||
|
|
@ -1824,8 +1824,8 @@ static void ieee80211_rx_mgmt_action(struct wpa_supplicant *wpa_s,
|
|||
break;
|
||||
#endif /* CONFIG_IEEE80211R */
|
||||
#ifdef CONFIG_IEEE80211W
|
||||
case WLAN_ACTION_PING:
|
||||
ieee80211_rx_mgmt_ping_action(wpa_s, mgmt, len, rx_status);
|
||||
case WLAN_ACTION_SA_QUERY:
|
||||
ieee80211_rx_mgmt_sa_query_action(wpa_s, mgmt, len, rx_status);
|
||||
break;
|
||||
#endif /* CONFIG_IEEE80211W */
|
||||
default:
|
||||
|
|
|
|||
Loading…
Reference in a new issue