/*
* hostapd / IEEE 802.11 Management
- * Copyright (c) 2002-2010, Jouni Malinen <j@w1.fi>
+ * Copyright (c) 2002-2014, 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.
+ * 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 "crypto/crypto.h"
-#include "drivers/driver.h"
+#include "crypto/sha256.h"
+#include "crypto/random.h"
#include "common/ieee802_11_defs.h"
#include "common/ieee802_11_common.h"
#include "common/wpa_ctrl.h"
+#include "common/sae.h"
#include "radius/radius.h"
#include "radius/radius_client.h"
#include "p2p/p2p.h"
#include "wps/wps.h"
+#include "fst/fst.h"
#include "hostapd.h"
#include "beacon.h"
#include "ieee802_11_auth.h"
#include "sta_info.h"
#include "ieee802_1x.h"
#include "wpa_auth.h"
+#include "pmksa_cache_auth.h"
#include "wmm.h"
#include "ap_list.h"
#include "accounting.h"
#include "ap_config.h"
#include "ap_mlme.h"
#include "p2p_hostapd.h"
+#include "ap_drv_ops.h"
+#include "wnm_ap.h"
+#include "hw_features.h"
#include "ieee802_11.h"
+#include "dfs.h"
+#include "mbo_ap.h"
+#include "rrm.h"
+#include "taxonomy.h"
u8 * hostapd_eid_supp_rates(struct hostapd_data *hapd, u8 *eid)
*pos++ = WLAN_EID_SUPP_RATES;
num = hapd->iface->num_rates;
+ if (hapd->iconf->ieee80211n && hapd->iconf->require_ht)
+ num++;
+ if (hapd->iconf->ieee80211ac && hapd->iconf->require_vht)
+ num++;
if (num > 8) {
/* rest of the rates are encoded in Extended supported
* rates element */
}
*pos++ = num;
- count = 0;
for (i = 0, count = 0; i < hapd->iface->num_rates && count < num;
i++) {
count++;
pos++;
}
+ if (hapd->iconf->ieee80211n && hapd->iconf->require_ht && count < 8) {
+ count++;
+ *pos++ = 0x80 | BSS_MEMBERSHIP_SELECTOR_HT_PHY;
+ }
+
+ if (hapd->iconf->ieee80211ac && hapd->iconf->require_vht && count < 8) {
+ count++;
+ *pos++ = 0x80 | BSS_MEMBERSHIP_SELECTOR_VHT_PHY;
+ }
+
return pos;
}
return eid;
num = hapd->iface->num_rates;
+ if (hapd->iconf->ieee80211n && hapd->iconf->require_ht)
+ num++;
+ if (hapd->iconf->ieee80211ac && hapd->iconf->require_vht)
+ num++;
if (num <= 8)
return eid;
num -= 8;
*pos++ = WLAN_EID_EXT_SUPP_RATES;
*pos++ = num;
- count = 0;
for (i = 0, count = 0; i < hapd->iface->num_rates && count < num + 8;
i++) {
count++;
pos++;
}
+ if (hapd->iconf->ieee80211n && hapd->iconf->require_ht) {
+ count++;
+ if (count > 8)
+ *pos++ = 0x80 | BSS_MEMBERSHIP_SELECTOR_HT_PHY;
+ }
+
+ if (hapd->iconf->ieee80211ac && hapd->iconf->require_vht) {
+ count++;
+ if (count > 8)
+ *pos++ = 0x80 | BSS_MEMBERSHIP_SELECTOR_VHT_PHY;
+ }
+
return pos;
}
-u16 hostapd_own_capab_info(struct hostapd_data *hapd, struct sta_info *sta,
- int probe)
+u16 hostapd_own_capab_info(struct hostapd_data *hapd)
{
int capab = WLAN_CAPABILITY_ESS;
int privacy;
+ int dfs;
+ int i;
+
+ /* Check if any of configured channels require DFS */
+ dfs = hostapd_is_dfs_required(hapd->iface);
+ if (dfs < 0) {
+ wpa_printf(MSG_WARNING, "Failed to check if DFS is required; ret=%d",
+ dfs);
+ dfs = 0;
+ }
if (hapd->iface->num_sta_no_short_preamble == 0 &&
hapd->iconf->preamble == SHORT_PREAMBLE)
if (hapd->conf->wpa)
privacy = 1;
- if (sta) {
- int policy, def_klen;
- if (probe && sta->ssid_probe) {
- policy = sta->ssid_probe->security_policy;
- def_klen = sta->ssid_probe->wep.default_len;
- } else {
- policy = sta->ssid->security_policy;
- def_klen = sta->ssid->wep.default_len;
- }
- privacy = policy != SECURITY_PLAINTEXT;
- if (policy == SECURITY_IEEE_802_1X && def_klen == 0)
- privacy = 0;
- }
+#ifdef CONFIG_HS20
+ if (hapd->conf->osen)
+ privacy = 1;
+#endif /* CONFIG_HS20 */
if (privacy)
capab |= WLAN_CAPABILITY_PRIVACY;
hapd->iface->num_sta_no_short_slot_time == 0)
capab |= WLAN_CAPABILITY_SHORT_SLOT_TIME;
- return capab;
-}
-
-
-#ifdef CONFIG_IEEE80211W
-static u8 * hostapd_eid_assoc_comeback_time(struct hostapd_data *hapd,
- struct sta_info *sta, u8 *eid)
-{
- u8 *pos = eid;
- u32 timeout, tu;
- struct os_time now, passed;
-
- *pos++ = WLAN_EID_TIMEOUT_INTERVAL;
- *pos++ = 5;
- *pos++ = WLAN_TIMEOUT_ASSOC_COMEBACK;
- os_get_time(&now);
- os_time_sub(&now, &sta->sa_query_start, &passed);
- tu = (passed.sec * 1000000 + passed.usec) / 1024;
- if (hapd->conf->assoc_sa_query_max_timeout > tu)
- timeout = hapd->conf->assoc_sa_query_max_timeout - tu;
- else
- timeout = 0;
- if (timeout < hapd->conf->assoc_sa_query_max_timeout)
- timeout++; /* add some extra time for local timers */
- WPA_PUT_LE32(pos, timeout);
- pos += 4;
-
- return pos;
-}
-#endif /* CONFIG_IEEE80211W */
-
+ /*
+ * Currently, Spectrum Management capability bit is set when directly
+ * requested in configuration by spectrum_mgmt_required or when AP is
+ * running on DFS channel.
+ * TODO: Also consider driver support for TPC to set Spectrum Mgmt bit
+ */
+ if (hapd->iface->current_mode &&
+ hapd->iface->current_mode->mode == HOSTAPD_MODE_IEEE80211A &&
+ (hapd->iconf->spectrum_mgmt_required || dfs))
+ capab |= WLAN_CAPABILITY_SPECTRUM_MGMT;
-void ieee802_11_print_ssid(char *buf, const u8 *ssid, u8 len)
-{
- int i;
- if (len > HOSTAPD_MAX_SSID_LEN)
- len = HOSTAPD_MAX_SSID_LEN;
- for (i = 0; i < len; i++) {
- if (ssid[i] >= 32 && ssid[i] < 127)
- buf[i] = ssid[i];
- else
- buf[i] = '.';
+ for (i = 0; i < RRM_CAPABILITIES_IE_LEN; i++) {
+ if (hapd->conf->radio_measurements[i]) {
+ capab |= IEEE80211_CAP_RRM;
+ break;
+ }
}
- buf[len] = '\0';
+
+ return capab;
}
+#ifndef CONFIG_NO_RC4
static u16 auth_shared_key(struct hostapd_data *hapd, struct sta_info *sta,
u16 auth_transaction, const u8 *challenge,
int iswep)
if (!sta->challenge) {
/* Generate a pseudo-random challenge */
u8 key[8];
- time_t now;
- int r;
+
sta->challenge = os_zalloc(WLAN_AUTH_CHALLENGE_LEN);
if (sta->challenge == NULL)
return WLAN_STATUS_UNSPECIFIED_FAILURE;
- now = time(NULL);
- r = random();
- os_memcpy(key, &now, 4);
- os_memcpy(key + 4, &r, 4);
+ if (os_get_random(key, sizeof(key)) < 0) {
+ os_free(sta->challenge);
+ sta->challenge = NULL;
+ return WLAN_STATUS_UNSPECIFIED_FAILURE;
+ }
+
rc4_skip(key, sizeof(key), 0,
sta->challenge, WLAN_AUTH_CHALLENGE_LEN);
}
/* Transaction 3 */
if (!iswep || !sta->challenge || !challenge ||
- os_memcmp(sta->challenge, challenge, WLAN_AUTH_CHALLENGE_LEN)) {
+ os_memcmp_const(sta->challenge, challenge,
+ WLAN_AUTH_CHALLENGE_LEN)) {
hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
HOSTAPD_LEVEL_INFO,
"shared key authentication - invalid "
hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
HOSTAPD_LEVEL_DEBUG,
"authentication OK (shared key)");
-#ifdef IEEE80211_REQUIRE_AUTH_ACK
- /* Station will be marked authenticated if it ACKs the
- * authentication reply. */
-#else
sta->flags |= WLAN_STA_AUTH;
wpa_auth_sm_event(sta->wpa_sm, WPA_AUTH);
-#endif
os_free(sta->challenge);
sta->challenge = NULL;
return 0;
}
+#endif /* CONFIG_NO_RC4 */
-static void send_auth_reply(struct hostapd_data *hapd,
- const u8 *dst, const u8 *bssid,
- u16 auth_alg, u16 auth_transaction, u16 resp,
- const u8 *ies, size_t ies_len)
+static int send_auth_reply(struct hostapd_data *hapd,
+ const u8 *dst, const u8 *bssid,
+ u16 auth_alg, u16 auth_transaction, u16 resp,
+ const u8 *ies, size_t ies_len)
{
struct ieee80211_mgmt *reply;
u8 *buf;
size_t rlen;
+ int reply_res = WLAN_STATUS_UNSPECIFIED_FAILURE;
rlen = IEEE80211_HDRLEN + sizeof(reply->u.auth) + ies_len;
buf = os_zalloc(rlen);
if (buf == NULL)
- return;
+ return -1;
reply = (struct ieee80211_mgmt *) buf;
reply->frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
if (ies && ies_len)
os_memcpy(reply->u.auth.variable, ies, ies_len);
- wpa_printf(MSG_DEBUG, "authentication reply: STA=" MACSTR
- " auth_alg=%d auth_transaction=%d resp=%d (IE len=%lu)",
- MAC2STR(dst), auth_alg, auth_transaction,
- resp, (unsigned long) ies_len);
- if (hapd->drv.send_mgmt_frame(hapd, reply, rlen) < 0)
- perror("send_auth_reply: send");
+ wpa_printf(MSG_DEBUG, "authentication reply: STA=" MACSTR
+ " auth_alg=%d auth_transaction=%d resp=%d (IE len=%lu)",
+ MAC2STR(dst), auth_alg, auth_transaction,
+ resp, (unsigned long) ies_len);
+ if (hostapd_drv_send_mlme(hapd, reply, rlen, 0) < 0)
+ wpa_printf(MSG_INFO, "send_auth_reply: send failed");
+ else
+ reply_res = WLAN_STATUS_SUCCESS;
+
+ os_free(buf);
+
+ return reply_res;
+}
+
+
+#ifdef CONFIG_IEEE80211R
+static void handle_auth_ft_finish(void *ctx, const u8 *dst, const u8 *bssid,
+ u16 auth_transaction, u16 status,
+ const u8 *ies, size_t ies_len)
+{
+ struct hostapd_data *hapd = ctx;
+ struct sta_info *sta;
+ int reply_res;
+
+ reply_res = send_auth_reply(hapd, dst, bssid, WLAN_AUTH_FT,
+ auth_transaction, status, ies, ies_len);
+
+ sta = ap_get_sta(hapd, dst);
+ if (sta == NULL)
+ return;
+
+ if (sta->added_unassoc && (reply_res != WLAN_STATUS_SUCCESS ||
+ status != WLAN_STATUS_SUCCESS)) {
+ hostapd_drv_sta_remove(hapd, sta->addr);
+ sta->added_unassoc = 0;
+ return;
+ }
+
+ if (status != WLAN_STATUS_SUCCESS)
+ return;
+
+ hostapd_logger(hapd, dst, HOSTAPD_MODULE_IEEE80211,
+ HOSTAPD_LEVEL_DEBUG, "authentication OK (FT)");
+ sta->flags |= WLAN_STA_AUTH;
+ mlme_authenticate_indication(hapd, sta);
+}
+#endif /* CONFIG_IEEE80211R */
+
+
+#ifdef CONFIG_SAE
+
+#define dot11RSNASAESync 5 /* attempts */
+
+
+static struct wpabuf * auth_build_sae_commit(struct hostapd_data *hapd,
+ struct sta_info *sta, int update)
+{
+ struct wpabuf *buf;
+
+ if (hapd->conf->ssid.wpa_passphrase == NULL) {
+ wpa_printf(MSG_DEBUG, "SAE: No password available");
+ return NULL;
+ }
+
+ if (update &&
+ sae_prepare_commit(hapd->own_addr, sta->addr,
+ (u8 *) hapd->conf->ssid.wpa_passphrase,
+ os_strlen(hapd->conf->ssid.wpa_passphrase),
+ sta->sae) < 0) {
+ wpa_printf(MSG_DEBUG, "SAE: Could not pick PWE");
+ return NULL;
+ }
+
+ buf = wpabuf_alloc(SAE_COMMIT_MAX_LEN);
+ if (buf == NULL)
+ return NULL;
+ sae_write_commit(sta->sae, buf, sta->sae->tmp ?
+ sta->sae->tmp->anti_clogging_token : NULL);
+
+ return buf;
+}
+
+
+static struct wpabuf * auth_build_sae_confirm(struct hostapd_data *hapd,
+ struct sta_info *sta)
+{
+ struct wpabuf *buf;
+
+ buf = wpabuf_alloc(SAE_CONFIRM_MAX_LEN);
+ if (buf == NULL)
+ return NULL;
+
+ sae_write_confirm(sta->sae, buf);
+
+ return buf;
+}
+
+
+static int auth_sae_send_commit(struct hostapd_data *hapd,
+ struct sta_info *sta,
+ const u8 *bssid, int update)
+{
+ struct wpabuf *data;
+ int reply_res;
+
+ data = auth_build_sae_commit(hapd, sta, update);
+ if (data == NULL)
+ return WLAN_STATUS_UNSPECIFIED_FAILURE;
+
+ reply_res = send_auth_reply(hapd, sta->addr, bssid, WLAN_AUTH_SAE, 1,
+ WLAN_STATUS_SUCCESS, wpabuf_head(data),
+ wpabuf_len(data));
+
+ wpabuf_free(data);
+
+ return reply_res;
+}
+
+
+static int auth_sae_send_confirm(struct hostapd_data *hapd,
+ struct sta_info *sta,
+ const u8 *bssid)
+{
+ struct wpabuf *data;
+ int reply_res;
+
+ data = auth_build_sae_confirm(hapd, sta);
+ if (data == NULL)
+ return WLAN_STATUS_UNSPECIFIED_FAILURE;
+
+ reply_res = send_auth_reply(hapd, sta->addr, bssid, WLAN_AUTH_SAE, 2,
+ WLAN_STATUS_SUCCESS, wpabuf_head(data),
+ wpabuf_len(data));
+
+ wpabuf_free(data);
+
+ return reply_res;
+}
+
+
+static int use_sae_anti_clogging(struct hostapd_data *hapd)
+{
+ struct sta_info *sta;
+ unsigned int open = 0;
+
+ if (hapd->conf->sae_anti_clogging_threshold == 0)
+ return 1;
+
+ for (sta = hapd->sta_list; sta; sta = sta->next) {
+ if (!sta->sae)
+ continue;
+ if (sta->sae->state != SAE_COMMITTED &&
+ sta->sae->state != SAE_CONFIRMED)
+ continue;
+ open++;
+ if (open >= hapd->conf->sae_anti_clogging_threshold)
+ return 1;
+ }
+
+ return 0;
+}
+
+
+static int check_sae_token(struct hostapd_data *hapd, const u8 *addr,
+ const u8 *token, size_t token_len)
+{
+ u8 mac[SHA256_MAC_LEN];
+
+ if (token_len != SHA256_MAC_LEN)
+ return -1;
+ if (hmac_sha256(hapd->sae_token_key, sizeof(hapd->sae_token_key),
+ addr, ETH_ALEN, mac) < 0 ||
+ os_memcmp_const(token, mac, SHA256_MAC_LEN) != 0)
+ return -1;
+
+ return 0;
+}
+
+
+static struct wpabuf * auth_build_token_req(struct hostapd_data *hapd,
+ int group, const u8 *addr)
+{
+ struct wpabuf *buf;
+ u8 *token;
+ struct os_reltime now;
+
+ os_get_reltime(&now);
+ if (!os_reltime_initialized(&hapd->last_sae_token_key_update) ||
+ os_reltime_expired(&now, &hapd->last_sae_token_key_update, 60)) {
+ if (random_get_bytes(hapd->sae_token_key,
+ sizeof(hapd->sae_token_key)) < 0)
+ return NULL;
+ wpa_hexdump(MSG_DEBUG, "SAE: Updated token key",
+ hapd->sae_token_key, sizeof(hapd->sae_token_key));
+ hapd->last_sae_token_key_update = now;
+ }
+
+ buf = wpabuf_alloc(sizeof(le16) + SHA256_MAC_LEN);
+ if (buf == NULL)
+ return NULL;
+
+ wpabuf_put_le16(buf, group); /* Finite Cyclic Group */
+
+ token = wpabuf_put(buf, SHA256_MAC_LEN);
+ hmac_sha256(hapd->sae_token_key, sizeof(hapd->sae_token_key),
+ addr, ETH_ALEN, token);
+
+ return buf;
+}
+
+
+static int sae_check_big_sync(struct sta_info *sta)
+{
+ if (sta->sae->sync > dot11RSNASAESync) {
+ sta->sae->state = SAE_NOTHING;
+ sta->sae->sync = 0;
+ return -1;
+ }
+ return 0;
+}
+
+
+static void auth_sae_retransmit_timer(void *eloop_ctx, void *eloop_data)
+{
+ struct hostapd_data *hapd = eloop_ctx;
+ struct sta_info *sta = eloop_data;
+ int ret;
+
+ if (sae_check_big_sync(sta))
+ return;
+ sta->sae->sync++;
+ wpa_printf(MSG_DEBUG, "SAE: Auth SAE retransmit timer for " MACSTR
+ " (sync=%d state=%d)",
+ MAC2STR(sta->addr), sta->sae->sync, sta->sae->state);
+
+ switch (sta->sae->state) {
+ case SAE_COMMITTED:
+ ret = auth_sae_send_commit(hapd, sta, hapd->own_addr, 0);
+ eloop_register_timeout(0,
+ hapd->dot11RSNASAERetransPeriod * 1000,
+ auth_sae_retransmit_timer, hapd, sta);
+ break;
+ case SAE_CONFIRMED:
+ ret = auth_sae_send_confirm(hapd, sta, hapd->own_addr);
+ eloop_register_timeout(0,
+ hapd->dot11RSNASAERetransPeriod * 1000,
+ auth_sae_retransmit_timer, hapd, sta);
+ break;
+ default:
+ ret = -1;
+ break;
+ }
+
+ if (ret != WLAN_STATUS_SUCCESS)
+ wpa_printf(MSG_INFO, "SAE: Failed to retransmit: ret=%d", ret);
+}
+
+
+void sae_clear_retransmit_timer(struct hostapd_data *hapd, struct sta_info *sta)
+{
+ eloop_cancel_timeout(auth_sae_retransmit_timer, hapd, sta);
+}
+
+
+static void sae_set_retransmit_timer(struct hostapd_data *hapd,
+ struct sta_info *sta)
+{
+ if (!(hapd->conf->mesh & MESH_ENABLED))
+ return;
+
+ eloop_cancel_timeout(auth_sae_retransmit_timer, hapd, sta);
+ eloop_register_timeout(0, hapd->dot11RSNASAERetransPeriod * 1000,
+ auth_sae_retransmit_timer, hapd, sta);
+}
+
+
+void sae_accept_sta(struct hostapd_data *hapd, struct sta_info *sta)
+{
+ sta->flags |= WLAN_STA_AUTH;
+ sta->auth_alg = WLAN_AUTH_SAE;
+ mlme_authenticate_indication(hapd, sta);
+ wpa_auth_sm_event(sta->wpa_sm, WPA_AUTH);
+ sta->sae->state = SAE_ACCEPTED;
+ wpa_auth_pmksa_add_sae(hapd->wpa_auth, sta->addr,
+ sta->sae->pmk, sta->sae->pmkid);
+}
+
+
+static int sae_sm_step(struct hostapd_data *hapd, struct sta_info *sta,
+ const u8 *bssid, u8 auth_transaction)
+{
+ int ret;
+
+ if (auth_transaction != 1 && auth_transaction != 2)
+ return WLAN_STATUS_UNSPECIFIED_FAILURE;
+
+ switch (sta->sae->state) {
+ case SAE_NOTHING:
+ if (auth_transaction == 1) {
+ ret = auth_sae_send_commit(hapd, sta, bssid, 1);
+ if (ret)
+ return ret;
+ sta->sae->state = SAE_COMMITTED;
+
+ if (sae_process_commit(sta->sae) < 0)
+ return WLAN_STATUS_UNSPECIFIED_FAILURE;
+
+ /*
+ * In mesh case, both Commit and Confirm can be sent
+ * immediately. In infrastructure BSS, only a single
+ * Authentication frame (Commit) is expected from the AP
+ * here and the second one (Confirm) will be sent once
+ * the STA has sent its second Authentication frame
+ * (Confirm).
+ */
+ if (hapd->conf->mesh & MESH_ENABLED) {
+ /*
+ * Send both Commit and Confirm immediately
+ * based on SAE finite state machine
+ * Nothing -> Confirm transition.
+ */
+ ret = auth_sae_send_confirm(hapd, sta, bssid);
+ if (ret)
+ return ret;
+ sta->sae->state = SAE_CONFIRMED;
+ } else {
+ /*
+ * For infrastructure BSS, send only the Commit
+ * message now to get alternating sequence of
+ * Authentication frames between the AP and STA.
+ * Confirm will be sent in
+ * Committed -> Confirmed/Accepted transition
+ * when receiving Confirm from STA.
+ */
+ }
+ sta->sae->sync = 0;
+ sae_set_retransmit_timer(hapd, sta);
+ } else {
+ hostapd_logger(hapd, sta->addr,
+ HOSTAPD_MODULE_IEEE80211,
+ HOSTAPD_LEVEL_DEBUG,
+ "SAE confirm before commit");
+ }
+ break;
+ case SAE_COMMITTED:
+ sae_clear_retransmit_timer(hapd, sta);
+ if (auth_transaction == 1) {
+ if (sae_process_commit(sta->sae) < 0)
+ return WLAN_STATUS_UNSPECIFIED_FAILURE;
+
+ ret = auth_sae_send_confirm(hapd, sta, bssid);
+ if (ret)
+ return ret;
+ sta->sae->state = SAE_CONFIRMED;
+ sta->sae->sync = 0;
+ sae_set_retransmit_timer(hapd, sta);
+ } else if (hapd->conf->mesh & MESH_ENABLED) {
+ /*
+ * In mesh case, follow SAE finite state machine and
+ * send Commit now, if sync count allows.
+ */
+ if (sae_check_big_sync(sta))
+ return WLAN_STATUS_SUCCESS;
+ sta->sae->sync++;
+
+ ret = auth_sae_send_commit(hapd, sta, bssid, 0);
+ if (ret)
+ return ret;
+
+ sae_set_retransmit_timer(hapd, sta);
+ } else {
+ /*
+ * For instructure BSS, send the postponed Confirm from
+ * Nothing -> Confirmed transition that was reduced to
+ * Nothing -> Committed above.
+ */
+ ret = auth_sae_send_confirm(hapd, sta, bssid);
+ if (ret)
+ return ret;
+
+ sta->sae->state = SAE_CONFIRMED;
+
+ /*
+ * Since this was triggered on Confirm RX, run another
+ * step to get to Accepted without waiting for
+ * additional events.
+ */
+ return sae_sm_step(hapd, sta, bssid, auth_transaction);
+ }
+ break;
+ case SAE_CONFIRMED:
+ sae_clear_retransmit_timer(hapd, sta);
+ if (auth_transaction == 1) {
+ if (sae_check_big_sync(sta))
+ return WLAN_STATUS_SUCCESS;
+ sta->sae->sync++;
+
+ ret = auth_sae_send_commit(hapd, sta, bssid, 1);
+ if (ret)
+ return ret;
+
+ if (sae_process_commit(sta->sae) < 0)
+ return WLAN_STATUS_UNSPECIFIED_FAILURE;
+
+ ret = auth_sae_send_confirm(hapd, sta, bssid);
+ if (ret)
+ return ret;
+
+ sae_set_retransmit_timer(hapd, sta);
+ } else {
+ sae_accept_sta(hapd, sta);
+ }
+ break;
+ case SAE_ACCEPTED:
+ if (auth_transaction == 1) {
+ wpa_printf(MSG_DEBUG, "SAE: remove the STA (" MACSTR
+ ") doing reauthentication",
+ MAC2STR(sta->addr));
+ ap_free_sta(hapd, sta);
+ wpa_auth_pmksa_remove(hapd->wpa_auth, sta->addr);
+ } else {
+ if (sae_check_big_sync(sta))
+ return WLAN_STATUS_SUCCESS;
+ sta->sae->sync++;
+
+ ret = auth_sae_send_confirm(hapd, sta, bssid);
+ sae_clear_temp_data(sta->sae);
+ if (ret)
+ return ret;
+ }
+ break;
+ default:
+ wpa_printf(MSG_ERROR, "SAE: invalid state %d",
+ sta->sae->state);
+ return WLAN_STATUS_UNSPECIFIED_FAILURE;
+ }
+ return WLAN_STATUS_SUCCESS;
+}
+
+
+static void sae_pick_next_group(struct hostapd_data *hapd, struct sta_info *sta)
+{
+ struct sae_data *sae = sta->sae;
+ int i, *groups = hapd->conf->sae_groups;
+
+ if (sae->state != SAE_COMMITTED)
+ return;
+
+ wpa_printf(MSG_DEBUG, "SAE: Previously selected group: %d", sae->group);
+
+ for (i = 0; groups && groups[i] > 0; i++) {
+ if (sae->group == groups[i])
+ break;
+ }
+
+ if (!groups || groups[i] <= 0) {
+ wpa_printf(MSG_DEBUG,
+ "SAE: Previously selected group not found from the current configuration");
+ return;
+ }
+
+ for (;;) {
+ i++;
+ if (groups[i] <= 0) {
+ wpa_printf(MSG_DEBUG,
+ "SAE: No alternative group enabled");
+ return;
+ }
+
+ if (sae_set_group(sae, groups[i]) < 0)
+ continue;
+
+ break;
+ }
+ wpa_printf(MSG_DEBUG, "SAE: Selected new group: %d", groups[i]);
+}
+
+
+static void handle_auth_sae(struct hostapd_data *hapd, struct sta_info *sta,
+ const struct ieee80211_mgmt *mgmt, size_t len,
+ u16 auth_transaction, u16 status_code)
+{
+ int resp = WLAN_STATUS_SUCCESS;
+ struct wpabuf *data = NULL;
+
+ if (!sta->sae) {
+ if (auth_transaction != 1 ||
+ status_code != WLAN_STATUS_SUCCESS) {
+ resp = -1;
+ goto remove_sta;
+ }
+ sta->sae = os_zalloc(sizeof(*sta->sae));
+ if (!sta->sae) {
+ resp = -1;
+ goto remove_sta;
+ }
+ sta->sae->state = SAE_NOTHING;
+ sta->sae->sync = 0;
+ }
+
+ if (sta->mesh_sae_pmksa_caching) {
+ wpa_printf(MSG_DEBUG,
+ "SAE: Cancel use of mesh PMKSA caching because peer starts SAE authentication");
+ wpa_auth_pmksa_remove(hapd->wpa_auth, sta->addr);
+ sta->mesh_sae_pmksa_caching = 0;
+ }
+
+ if (auth_transaction == 1) {
+ const u8 *token = NULL, *pos, *end;
+ size_t token_len = 0;
+ hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
+ HOSTAPD_LEVEL_DEBUG,
+ "start SAE authentication (RX commit, status=%u)",
+ status_code);
+
+ if ((hapd->conf->mesh & MESH_ENABLED) &&
+ status_code == WLAN_STATUS_ANTI_CLOGGING_TOKEN_REQ &&
+ sta->sae->tmp) {
+ pos = mgmt->u.auth.variable;
+ end = ((const u8 *) mgmt) + len;
+ if (pos + sizeof(le16) > end) {
+ wpa_printf(MSG_ERROR,
+ "SAE: Too short anti-clogging token request");
+ resp = WLAN_STATUS_UNSPECIFIED_FAILURE;
+ goto reply;
+ }
+ resp = sae_group_allowed(sta->sae,
+ hapd->conf->sae_groups,
+ WPA_GET_LE16(pos));
+ if (resp != WLAN_STATUS_SUCCESS) {
+ wpa_printf(MSG_ERROR,
+ "SAE: Invalid group in anti-clogging token request");
+ goto reply;
+ }
+ pos += sizeof(le16);
+
+ wpabuf_free(sta->sae->tmp->anti_clogging_token);
+ sta->sae->tmp->anti_clogging_token =
+ wpabuf_alloc_copy(pos, end - pos);
+ if (sta->sae->tmp->anti_clogging_token == NULL) {
+ wpa_printf(MSG_ERROR,
+ "SAE: Failed to alloc for anti-clogging token");
+ resp = WLAN_STATUS_UNSPECIFIED_FAILURE;
+ goto remove_sta;
+ }
+
+ /*
+ * IEEE Std 802.11-2012, 11.3.8.6.4: If the Status code
+ * is 76, a new Commit Message shall be constructed
+ * with the Anti-Clogging Token from the received
+ * Authentication frame, and the commit-scalar and
+ * COMMIT-ELEMENT previously sent.
+ */
+ resp = auth_sae_send_commit(hapd, sta, mgmt->bssid, 0);
+ if (resp != WLAN_STATUS_SUCCESS) {
+ wpa_printf(MSG_ERROR,
+ "SAE: Failed to send commit message");
+ goto remove_sta;
+ }
+ sta->sae->state = SAE_COMMITTED;
+ sta->sae->sync = 0;
+ sae_set_retransmit_timer(hapd, sta);
+ return;
+ }
+
+ if ((hapd->conf->mesh & MESH_ENABLED) &&
+ status_code ==
+ WLAN_STATUS_FINITE_CYCLIC_GROUP_NOT_SUPPORTED &&
+ sta->sae->tmp) {
+ wpa_printf(MSG_DEBUG,
+ "SAE: Peer did not accept our SAE group");
+ sae_pick_next_group(hapd, sta);
+ goto remove_sta;
+ }
+
+ if (status_code != WLAN_STATUS_SUCCESS)
+ goto remove_sta;
+
+ resp = sae_parse_commit(sta->sae, mgmt->u.auth.variable,
+ ((const u8 *) mgmt) + len -
+ mgmt->u.auth.variable, &token,
+ &token_len, hapd->conf->sae_groups);
+ if (resp == SAE_SILENTLY_DISCARD) {
+ wpa_printf(MSG_DEBUG,
+ "SAE: Drop commit message from " MACSTR " due to reflection attack",
+ MAC2STR(sta->addr));
+ goto remove_sta;
+ }
+ if (token && check_sae_token(hapd, sta->addr, token, token_len)
+ < 0) {
+ wpa_printf(MSG_DEBUG, "SAE: Drop commit message with "
+ "incorrect token from " MACSTR,
+ MAC2STR(sta->addr));
+ resp = WLAN_STATUS_UNSPECIFIED_FAILURE;
+ goto remove_sta;
+ }
+
+ if (resp != WLAN_STATUS_SUCCESS)
+ goto reply;
+
+ if (!token && use_sae_anti_clogging(hapd)) {
+ wpa_printf(MSG_DEBUG,
+ "SAE: Request anti-clogging token from "
+ MACSTR, MAC2STR(sta->addr));
+ data = auth_build_token_req(hapd, sta->sae->group,
+ sta->addr);
+ resp = WLAN_STATUS_ANTI_CLOGGING_TOKEN_REQ;
+ if (hapd->conf->mesh & MESH_ENABLED)
+ sta->sae->state = SAE_NOTHING;
+ goto reply;
+ }
+
+ resp = sae_sm_step(hapd, sta, mgmt->bssid, auth_transaction);
+ } else if (auth_transaction == 2) {
+ hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
+ HOSTAPD_LEVEL_DEBUG,
+ "SAE authentication (RX confirm, status=%u)",
+ status_code);
+ if (status_code != WLAN_STATUS_SUCCESS)
+ goto remove_sta;
+ if (sta->sae->state >= SAE_CONFIRMED ||
+ !(hapd->conf->mesh & MESH_ENABLED)) {
+ if (sae_check_confirm(sta->sae, mgmt->u.auth.variable,
+ ((u8 *) mgmt) + len -
+ mgmt->u.auth.variable) < 0) {
+ resp = WLAN_STATUS_UNSPECIFIED_FAILURE;
+ goto reply;
+ }
+ }
+ resp = sae_sm_step(hapd, sta, mgmt->bssid, auth_transaction);
+ } else {
+ hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
+ HOSTAPD_LEVEL_DEBUG,
+ "unexpected SAE authentication transaction %u (status=%u)",
+ auth_transaction, status_code);
+ if (status_code != WLAN_STATUS_SUCCESS)
+ goto remove_sta;
+ resp = WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION;
+ }
+
+reply:
+ if (resp != WLAN_STATUS_SUCCESS) {
+ send_auth_reply(hapd, mgmt->sa, mgmt->bssid, WLAN_AUTH_SAE,
+ auth_transaction, resp,
+ data ? wpabuf_head(data) : (u8 *) "",
+ data ? wpabuf_len(data) : 0);
+ }
- os_free(buf);
+remove_sta:
+ if (sta->added_unassoc && (resp != WLAN_STATUS_SUCCESS ||
+ status_code != WLAN_STATUS_SUCCESS)) {
+ hostapd_drv_sta_remove(hapd, sta->addr);
+ sta->added_unassoc = 0;
+ }
+ wpabuf_free(data);
}
-#ifdef CONFIG_IEEE80211R
-static void handle_auth_ft_finish(void *ctx, const u8 *dst, const u8 *bssid,
- u16 auth_transaction, u16 status,
- const u8 *ies, size_t ies_len)
+/**
+ * auth_sae_init_committed - Send COMMIT and start SAE in committed state
+ * @hapd: BSS data for the device initiating the authentication
+ * @sta: the peer to which commit authentication frame is sent
+ *
+ * This function implements Init event handling (IEEE Std 802.11-2012,
+ * 11.3.8.6.3) in which initial COMMIT message is sent. Prior to calling, the
+ * sta->sae structure should be initialized appropriately via a call to
+ * sae_prepare_commit().
+ */
+int auth_sae_init_committed(struct hostapd_data *hapd, struct sta_info *sta)
{
- struct hostapd_data *hapd = ctx;
- struct sta_info *sta;
+ int ret;
- send_auth_reply(hapd, dst, bssid, WLAN_AUTH_FT, auth_transaction,
- status, ies, ies_len);
+ if (!sta->sae || !sta->sae->tmp)
+ return -1;
- if (status != WLAN_STATUS_SUCCESS)
- return;
+ if (sta->sae->state != SAE_NOTHING)
+ return -1;
- sta = ap_get_sta(hapd, dst);
- if (sta == NULL)
- return;
+ ret = auth_sae_send_commit(hapd, sta, hapd->own_addr, 0);
+ if (ret)
+ return -1;
- hostapd_logger(hapd, dst, HOSTAPD_MODULE_IEEE80211,
- HOSTAPD_LEVEL_DEBUG, "authentication OK (FT)");
- sta->flags |= WLAN_STA_AUTH;
- mlme_authenticate_indication(hapd, sta);
+ sta->sae->state = SAE_COMMITTED;
+ sta->sae->sync = 0;
+ sae_set_retransmit_timer(hapd, sta);
+
+ return 0;
}
-#endif /* CONFIG_IEEE80211R */
+
+#endif /* CONFIG_SAE */
static void handle_auth(struct hostapd_data *hapd,
u16 auth_alg, auth_transaction, status_code;
u16 resp = WLAN_STATUS_SUCCESS;
struct sta_info *sta = NULL;
- int res;
+ int res, reply_res;
u16 fc;
const u8 *challenge = NULL;
u32 session_timeout, acct_interim_interval;
- int vlan_id = 0;
+ struct vlan_description vlan_id;
+ struct hostapd_sta_wpa_psk_short *psk = NULL;
u8 resp_ies[2 + WLAN_AUTH_CHALLENGE_LEN];
size_t resp_ies_len = 0;
+ char *identity = NULL;
+ char *radius_cui = NULL;
+ u16 seq_ctrl;
+
+ os_memset(&vlan_id, 0, sizeof(vlan_id));
if (len < IEEE80211_HDRLEN + sizeof(mgmt->u.auth)) {
- printf("handle_auth - too short payload (len=%lu)\n",
- (unsigned long) len);
+ wpa_printf(MSG_INFO, "handle_auth - too short payload (len=%lu)",
+ (unsigned long) len);
+ return;
+ }
+
+#ifdef CONFIG_TESTING_OPTIONS
+ if (hapd->iconf->ignore_auth_probability > 0.0 &&
+ drand48() < hapd->iconf->ignore_auth_probability) {
+ wpa_printf(MSG_INFO,
+ "TESTING: ignoring auth frame from " MACSTR,
+ MAC2STR(mgmt->sa));
return;
}
+#endif /* CONFIG_TESTING_OPTIONS */
auth_alg = le_to_host16(mgmt->u.auth.auth_alg);
auth_transaction = le_to_host16(mgmt->u.auth.auth_transaction);
status_code = le_to_host16(mgmt->u.auth.status_code);
fc = le_to_host16(mgmt->frame_control);
+ seq_ctrl = le_to_host16(mgmt->seq_ctrl);
if (len >= IEEE80211_HDRLEN + sizeof(mgmt->u.auth) +
2 + WLAN_AUTH_CHALLENGE_LEN &&
challenge = &mgmt->u.auth.variable[2];
wpa_printf(MSG_DEBUG, "authentication: STA=" MACSTR " auth_alg=%d "
- "auth_transaction=%d status_code=%d wep=%d%s",
+ "auth_transaction=%d status_code=%d wep=%d%s "
+ "seq_ctrl=0x%x%s",
MAC2STR(mgmt->sa), auth_alg, auth_transaction,
status_code, !!(fc & WLAN_FC_ISWEP),
- challenge ? " challenge" : "");
+ challenge ? " challenge" : "",
+ seq_ctrl, (fc & WLAN_FC_RETRY) ? " retry" : "");
+
+#ifdef CONFIG_NO_RC4
+ if (auth_alg == WLAN_AUTH_SHARED_KEY) {
+ wpa_printf(MSG_INFO,
+ "Unsupported authentication algorithm (%d)",
+ auth_alg);
+ resp = WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG;
+ goto fail;
+ }
+#endif /* CONFIG_NO_RC4 */
if (hapd->tkip_countermeasures) {
resp = WLAN_REASON_MICHAEL_MIC_FAILURE;
if (!(((hapd->conf->auth_algs & WPA_AUTH_ALG_OPEN) &&
auth_alg == WLAN_AUTH_OPEN) ||
#ifdef CONFIG_IEEE80211R
- (hapd->conf->wpa &&
- (hapd->conf->wpa_key_mgmt &
- (WPA_KEY_MGMT_FT_IEEE8021X | WPA_KEY_MGMT_FT_PSK)) &&
+ (hapd->conf->wpa && wpa_key_mgmt_ft(hapd->conf->wpa_key_mgmt) &&
auth_alg == WLAN_AUTH_FT) ||
#endif /* CONFIG_IEEE80211R */
+#ifdef CONFIG_SAE
+ (hapd->conf->wpa && wpa_key_mgmt_sae(hapd->conf->wpa_key_mgmt) &&
+ auth_alg == WLAN_AUTH_SAE) ||
+#endif /* CONFIG_SAE */
((hapd->conf->auth_algs & WPA_AUTH_ALG_SHARED) &&
auth_alg == WLAN_AUTH_SHARED_KEY))) {
- printf("Unsupported authentication algorithm (%d)\n",
- auth_alg);
+ wpa_printf(MSG_INFO, "Unsupported authentication algorithm (%d)",
+ auth_alg);
resp = WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG;
goto fail;
}
- if (!(auth_transaction == 1 ||
+ if (!(auth_transaction == 1 || auth_alg == WLAN_AUTH_SAE ||
(auth_alg == WLAN_AUTH_SHARED_KEY && auth_transaction == 3))) {
- printf("Unknown authentication transaction number (%d)\n",
- auth_transaction);
+ wpa_printf(MSG_INFO, "Unknown authentication transaction number (%d)",
+ auth_transaction);
resp = WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION;
goto fail;
}
if (os_memcmp(mgmt->sa, hapd->own_addr, ETH_ALEN) == 0) {
- printf("Station " MACSTR " not allowed to authenticate.\n",
- MAC2STR(mgmt->sa));
+ wpa_printf(MSG_INFO, "Station " MACSTR " not allowed to authenticate",
+ MAC2STR(mgmt->sa));
resp = WLAN_STATUS_UNSPECIFIED_FAILURE;
goto fail;
}
+ if (hapd->conf->no_auth_if_seen_on) {
+ struct hostapd_data *other;
+
+ other = sta_track_seen_on(hapd->iface, mgmt->sa,
+ hapd->conf->no_auth_if_seen_on);
+ if (other) {
+ u8 *pos;
+ u32 info;
+ u8 op_class, channel, phytype;
+
+ wpa_printf(MSG_DEBUG, "%s: Reject authentication from "
+ MACSTR " since STA has been seen on %s",
+ hapd->conf->iface, MAC2STR(mgmt->sa),
+ hapd->conf->no_auth_if_seen_on);
+
+ resp = WLAN_STATUS_REJECTED_WITH_SUGGESTED_BSS_TRANSITION;
+ pos = &resp_ies[0];
+ *pos++ = WLAN_EID_NEIGHBOR_REPORT;
+ *pos++ = 13;
+ os_memcpy(pos, other->own_addr, ETH_ALEN);
+ pos += ETH_ALEN;
+ info = 0; /* TODO: BSSID Information */
+ WPA_PUT_LE32(pos, info);
+ pos += 4;
+ if (other->iconf->hw_mode == HOSTAPD_MODE_IEEE80211AD)
+ phytype = 8; /* dmg */
+ else if (other->iconf->ieee80211ac)
+ phytype = 9; /* vht */
+ else if (other->iconf->ieee80211n)
+ phytype = 7; /* ht */
+ else if (other->iconf->hw_mode ==
+ HOSTAPD_MODE_IEEE80211A)
+ phytype = 4; /* ofdm */
+ else if (other->iconf->hw_mode ==
+ HOSTAPD_MODE_IEEE80211G)
+ phytype = 6; /* erp */
+ else
+ phytype = 5; /* hrdsss */
+ if (ieee80211_freq_to_channel_ext(
+ hostapd_hw_get_freq(other,
+ other->iconf->channel),
+ other->iconf->secondary_channel,
+ other->iconf->ieee80211ac,
+ &op_class, &channel) == NUM_HOSTAPD_MODES) {
+ op_class = 0;
+ channel = other->iconf->channel;
+ }
+ *pos++ = op_class;
+ *pos++ = channel;
+ *pos++ = phytype;
+ resp_ies_len = pos - &resp_ies[0];
+ goto fail;
+ }
+ }
+
res = hostapd_allowed_address(hapd, mgmt->sa, (u8 *) mgmt, len,
&session_timeout,
- &acct_interim_interval, &vlan_id);
+ &acct_interim_interval, &vlan_id,
+ &psk, &identity, &radius_cui);
+
if (res == HOSTAPD_ACL_REJECT) {
- printf("Station " MACSTR " not allowed to authenticate.\n",
- MAC2STR(mgmt->sa));
+ wpa_printf(MSG_INFO, "Station " MACSTR " not allowed to authenticate",
+ MAC2STR(mgmt->sa));
resp = WLAN_STATUS_UNSPECIFIED_FAILURE;
goto fail;
}
return;
}
- sta = ap_sta_add(hapd, mgmt->sa);
- if (!sta) {
- resp = WLAN_STATUS_UNSPECIFIED_FAILURE;
- goto fail;
- }
+ sta = ap_get_sta(hapd, mgmt->sa);
+ if (sta) {
+ if ((fc & WLAN_FC_RETRY) &&
+ sta->last_seq_ctrl != WLAN_INVALID_MGMT_SEQ &&
+ sta->last_seq_ctrl == seq_ctrl &&
+ sta->last_subtype == WLAN_FC_STYPE_AUTH) {
+ hostapd_logger(hapd, sta->addr,
+ HOSTAPD_MODULE_IEEE80211,
+ HOSTAPD_LEVEL_DEBUG,
+ "Drop repeated authentication frame seq_ctrl=0x%x",
+ seq_ctrl);
+ return;
+ }
+#ifdef CONFIG_MESH
+ if ((hapd->conf->mesh & MESH_ENABLED) &&
+ sta->plink_state == PLINK_BLOCKED) {
+ wpa_printf(MSG_DEBUG, "Mesh peer " MACSTR
+ " is blocked - drop Authentication frame",
+ MAC2STR(mgmt->sa));
+ return;
+ }
+#endif /* CONFIG_MESH */
+ } else {
+#ifdef CONFIG_MESH
+ if (hapd->conf->mesh & MESH_ENABLED) {
+ /* if the mesh peer is not available, we don't do auth.
+ */
+ wpa_printf(MSG_DEBUG, "Mesh peer " MACSTR
+ " not yet known - drop Authentication frame",
+ MAC2STR(mgmt->sa));
+ /*
+ * Save a copy of the frame so that it can be processed
+ * if a new peer entry is added shortly after this.
+ */
+ wpabuf_free(hapd->mesh_pending_auth);
+ hapd->mesh_pending_auth = wpabuf_alloc_copy(mgmt, len);
+ os_get_reltime(&hapd->mesh_pending_auth_time);
+ return;
+ }
+#endif /* CONFIG_MESH */
- if (vlan_id > 0) {
- if (hostapd_get_vlan_id_ifname(hapd->conf->vlan,
- vlan_id) == NULL) {
- hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_RADIUS,
- HOSTAPD_LEVEL_INFO, "Invalid VLAN ID "
- "%d received from RADIUS server",
- vlan_id);
- resp = WLAN_STATUS_UNSPECIFIED_FAILURE;
+ sta = ap_sta_add(hapd, mgmt->sa);
+ if (!sta) {
+ resp = WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA;
goto fail;
}
- sta->vlan_id = vlan_id;
+ }
+ sta->last_seq_ctrl = seq_ctrl;
+ sta->last_subtype = WLAN_FC_STYPE_AUTH;
+
+ if (vlan_id.notempty &&
+ !hostapd_vlan_valid(hapd->conf->vlan, &vlan_id)) {
+ hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_RADIUS,
+ HOSTAPD_LEVEL_INFO,
+ "Invalid VLAN %d%s received from RADIUS server",
+ vlan_id.untagged,
+ vlan_id.tagged[0] ? "+" : "");
+ resp = WLAN_STATUS_UNSPECIFIED_FAILURE;
+ goto fail;
+ }
+ if (ap_sta_set_vlan(hapd, sta, &vlan_id) < 0) {
+ resp = WLAN_STATUS_UNSPECIFIED_FAILURE;
+ goto fail;
+ }
+ if (sta->vlan_id)
hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_RADIUS,
HOSTAPD_LEVEL_INFO, "VLAN ID %d", sta->vlan_id);
+
+ hostapd_free_psk_list(sta->psk);
+ if (hapd->conf->wpa_psk_radius != PSK_RADIUS_IGNORED) {
+ sta->psk = psk;
+ psk = NULL;
+ } else {
+ sta->psk = NULL;
}
+ sta->identity = identity;
+ identity = NULL;
+ sta->radius_cui = radius_cui;
+ radius_cui = NULL;
+
sta->flags &= ~WLAN_STA_PREAUTH;
ieee802_1x_notify_pre_auth(sta->eapol_sm, 0);
else
ap_sta_no_session_timeout(hapd, sta);
+ /*
+ * If the driver supports full AP client state, add a station to the
+ * driver before sending authentication reply to make sure the driver
+ * has resources, and not to go through the entire authentication and
+ * association handshake, and fail it at the end.
+ *
+ * If this is not the first transaction, in a multi-step authentication
+ * algorithm, the station already exists in the driver
+ * (sta->added_unassoc = 1) so skip it.
+ *
+ * In mesh mode, the station was already added to the driver when the
+ * NEW_PEER_CANDIDATE event is received.
+ */
+ if (FULL_AP_CLIENT_STATE_SUPP(hapd->iface->drv_flags) &&
+ !(hapd->conf->mesh & MESH_ENABLED) &&
+ !(sta->added_unassoc)) {
+ /*
+ * If a station that is already associated to the AP, is trying
+ * to authenticate again, remove the STA entry, in order to make
+ * sure the STA PS state gets cleared and configuration gets
+ * updated. To handle this, station's added_unassoc flag is
+ * cleared once the station has completed association.
+ */
+ hostapd_drv_sta_remove(hapd, sta->addr);
+ sta->flags &= ~(WLAN_STA_ASSOC | WLAN_STA_AUTH |
+ WLAN_STA_AUTHORIZED);
+
+ if (hostapd_sta_add(hapd, sta->addr, 0, 0, NULL, 0, 0,
+ NULL, NULL, sta->flags, 0, 0, 0, 0)) {
+ hostapd_logger(hapd, sta->addr,
+ HOSTAPD_MODULE_IEEE80211,
+ HOSTAPD_LEVEL_NOTICE,
+ "Could not add STA to kernel driver");
+ resp = WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA;
+ goto fail;
+ }
+
+ sta->added_unassoc = 1;
+ }
+
switch (auth_alg) {
case WLAN_AUTH_OPEN:
hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
HOSTAPD_LEVEL_DEBUG,
"authentication OK (open system)");
-#ifdef IEEE80211_REQUIRE_AUTH_ACK
- /* Station will be marked authenticated if it ACKs the
- * authentication reply. */
-#else
sta->flags |= WLAN_STA_AUTH;
wpa_auth_sm_event(sta->wpa_sm, WPA_AUTH);
sta->auth_alg = WLAN_AUTH_OPEN;
mlme_authenticate_indication(hapd, sta);
-#endif
break;
+#ifndef CONFIG_NO_RC4
case WLAN_AUTH_SHARED_KEY:
resp = auth_shared_key(hapd, sta, auth_transaction, challenge,
fc & WLAN_FC_ISWEP);
resp_ies_len = 2 + WLAN_AUTH_CHALLENGE_LEN;
}
break;
+#endif /* CONFIG_NO_RC4 */
#ifdef CONFIG_IEEE80211R
case WLAN_AUTH_FT:
sta->auth_alg = WLAN_AUTH_FT;
if (sta->wpa_sm == NULL)
sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth,
- sta->addr);
+ sta->addr, NULL);
if (sta->wpa_sm == NULL) {
wpa_printf(MSG_DEBUG, "FT: Failed to initialize WPA "
"state machine");
/* handle_auth_ft_finish() callback will complete auth. */
return;
#endif /* CONFIG_IEEE80211R */
+#ifdef CONFIG_SAE
+ case WLAN_AUTH_SAE:
+#ifdef CONFIG_MESH
+ if (status_code == WLAN_STATUS_SUCCESS &&
+ hapd->conf->mesh & MESH_ENABLED) {
+ if (sta->wpa_sm == NULL)
+ sta->wpa_sm =
+ wpa_auth_sta_init(hapd->wpa_auth,
+ sta->addr, NULL);
+ if (sta->wpa_sm == NULL) {
+ wpa_printf(MSG_DEBUG,
+ "SAE: Failed to initialize WPA state machine");
+ resp = WLAN_STATUS_UNSPECIFIED_FAILURE;
+ goto fail;
+ }
+ }
+#endif /* CONFIG_MESH */
+ handle_auth_sae(hapd, sta, mgmt, len, auth_transaction,
+ status_code);
+ return;
+#endif /* CONFIG_SAE */
}
fail:
- send_auth_reply(hapd, mgmt->sa, mgmt->bssid, auth_alg,
- auth_transaction + 1, resp, resp_ies, resp_ies_len);
+ os_free(identity);
+ os_free(radius_cui);
+ hostapd_free_psk_list(psk);
+
+ reply_res = send_auth_reply(hapd, mgmt->sa, mgmt->bssid, auth_alg,
+ auth_transaction + 1, resp, resp_ies,
+ resp_ies_len);
+
+ if (sta && sta->added_unassoc && (resp != WLAN_STATUS_SUCCESS ||
+ reply_res != WLAN_STATUS_SUCCESS)) {
+ hostapd_drv_sta_remove(hapd, sta->addr);
+ sta->added_unassoc = 0;
+ }
}
-static int hostapd_get_aid(struct hostapd_data *hapd, struct sta_info *sta)
+int hostapd_get_aid(struct hostapd_data *hapd, struct sta_info *sta)
{
int i, j = 32, aid;
return 0;
}
+ if (TEST_FAIL())
+ return -1;
+
for (i = 0; i < AID_WORDS; i++) {
if (hapd->sta_aid[i] == (u32) -1)
continue;
if (ssid_ie_len != hapd->conf->ssid.ssid_len ||
os_memcmp(ssid_ie, hapd->conf->ssid.ssid, ssid_ie_len) != 0) {
- char ssid_txt[33];
- ieee802_11_print_ssid(ssid_txt, ssid_ie, ssid_ie_len);
hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
HOSTAPD_LEVEL_INFO,
"Station tried to associate with unknown SSID "
- "'%s'", ssid_txt);
+ "'%s'", wpa_ssid_txt(ssid_ie, ssid_ie_len));
return WLAN_STATUS_UNSPECIFIED_FAILURE;
}
const u8 *wmm_ie, size_t wmm_ie_len)
{
sta->flags &= ~WLAN_STA_WMM;
+ sta->qosinfo = 0;
if (wmm_ie && hapd->conf->wmm_enabled) {
- if (hostapd_eid_wmm_valid(hapd, wmm_ie, wmm_ie_len))
+ struct wmm_information_element *wmm;
+
+ if (!hostapd_eid_wmm_valid(hapd, wmm_ie, wmm_ie_len)) {
hostapd_logger(hapd, sta->addr,
HOSTAPD_MODULE_WPA,
HOSTAPD_LEVEL_DEBUG,
"invalid WMM element in association "
"request");
- else
- sta->flags |= WLAN_STA_WMM;
+ return WLAN_STATUS_UNSPECIFIED_FAILURE;
+ }
+
+ sta->flags |= WLAN_STA_WMM;
+ wmm = (struct wmm_information_element *) wmm_ie;
+ sta->qosinfo = wmm->qos_info;
}
return WLAN_STATUS_SUCCESS;
}
return WLAN_STATUS_UNSPECIFIED_FAILURE;
}
- if (elems->supp_rates_len > sizeof(sta->supported_rates)) {
+ if (elems->supp_rates_len + elems->ext_supp_rates_len >
+ sizeof(sta->supported_rates)) {
hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
HOSTAPD_LEVEL_DEBUG,
- "Invalid supported rates element length %d",
- elems->supp_rates_len);
+ "Invalid supported rates element length %d+%d",
+ elems->supp_rates_len,
+ elems->ext_supp_rates_len);
return WLAN_STATUS_UNSPECIFIED_FAILURE;
}
- os_memset(sta->supported_rates, 0, sizeof(sta->supported_rates));
- os_memcpy(sta->supported_rates, elems->supp_rates,
- elems->supp_rates_len);
- sta->supported_rates_len = elems->supp_rates_len;
+ sta->supported_rates_len = merge_byte_arrays(
+ sta->supported_rates, sizeof(sta->supported_rates),
+ elems->supp_rates, elems->supp_rates_len,
+ elems->ext_supp_rates, elems->ext_supp_rates_len);
+
+ return WLAN_STATUS_SUCCESS;
+}
- if (elems->ext_supp_rates) {
- if (elems->supp_rates_len + elems->ext_supp_rates_len >
- sizeof(sta->supported_rates)) {
- hostapd_logger(hapd, sta->addr,
- HOSTAPD_MODULE_IEEE80211,
- HOSTAPD_LEVEL_DEBUG,
- "Invalid supported rates element length"
- " %d+%d", elems->supp_rates_len,
- elems->ext_supp_rates_len);
- return WLAN_STATUS_UNSPECIFIED_FAILURE;
- }
- os_memcpy(sta->supported_rates + elems->supp_rates_len,
- elems->ext_supp_rates, elems->ext_supp_rates_len);
- sta->supported_rates_len += elems->ext_supp_rates_len;
+static u16 check_ext_capab(struct hostapd_data *hapd, struct sta_info *sta,
+ const u8 *ext_capab_ie, size_t ext_capab_ie_len)
+{
+#ifdef CONFIG_INTERWORKING
+ /* check for QoS Map support */
+ if (ext_capab_ie_len >= 5) {
+ if (ext_capab_ie[4] & 0x01)
+ sta->qos_map_enabled = 1;
}
+#endif /* CONFIG_INTERWORKING */
+
+ if (ext_capab_ie_len > 0)
+ sta->ecsa_supported = !!(ext_capab_ie[0] & BIT(2));
return WLAN_STATUS_SUCCESS;
}
u16 resp;
const u8 *wpa_ie;
size_t wpa_ie_len;
+ const u8 *p2p_dev_addr = NULL;
if (ieee802_11_parse_elems(ies, ies_len, &elems, 1) == ParseFailed) {
hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
resp = check_wmm(hapd, sta, elems.wmm, elems.wmm_len);
if (resp != WLAN_STATUS_SUCCESS)
return resp;
+ resp = check_ext_capab(hapd, sta, elems.ext_capab, elems.ext_capab_len);
+ if (resp != WLAN_STATUS_SUCCESS)
+ return resp;
resp = copy_supp_rates(hapd, sta, &elems);
if (resp != WLAN_STATUS_SUCCESS)
return resp;
#ifdef CONFIG_IEEE80211N
- resp = copy_sta_ht_capab(sta, elems.ht_capabilities,
- elems.ht_capabilities_len);
+ resp = copy_sta_ht_capab(hapd, sta, elems.ht_capabilities);
if (resp != WLAN_STATUS_SUCCESS)
return resp;
+ if (hapd->iconf->ieee80211n && hapd->iconf->require_ht &&
+ !(sta->flags & WLAN_STA_HT)) {
+ hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
+ HOSTAPD_LEVEL_INFO, "Station does not support "
+ "mandatory HT PHY - reject association");
+ return WLAN_STATUS_ASSOC_DENIED_NO_HT;
+ }
#endif /* CONFIG_IEEE80211N */
+#ifdef CONFIG_IEEE80211AC
+ if (hapd->iconf->ieee80211ac) {
+ resp = copy_sta_vht_capab(hapd, sta, elems.vht_capabilities);
+ if (resp != WLAN_STATUS_SUCCESS)
+ return resp;
+
+ resp = set_sta_vht_opmode(hapd, sta, elems.vht_opmode_notif);
+ if (resp != WLAN_STATUS_SUCCESS)
+ return resp;
+ }
+
+ if (hapd->iconf->ieee80211ac && hapd->iconf->require_vht &&
+ !(sta->flags & WLAN_STA_VHT)) {
+ hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
+ HOSTAPD_LEVEL_INFO, "Station does not support "
+ "mandatory VHT PHY - reject association");
+ return WLAN_STATUS_ASSOC_DENIED_NO_VHT;
+ }
+
+ if (hapd->conf->vendor_vht && !elems.vht_capabilities) {
+ resp = copy_sta_vendor_vht(hapd, sta, elems.vendor_vht,
+ elems.vendor_vht_len);
+ if (resp != WLAN_STATUS_SUCCESS)
+ return resp;
+ }
+#endif /* CONFIG_IEEE80211AC */
+
+#ifdef CONFIG_P2P
+ if (elems.p2p) {
+ wpabuf_free(sta->p2p_ie);
+ sta->p2p_ie = ieee802_11_vendor_ie_concat(ies, ies_len,
+ P2P_IE_VENDOR_TYPE);
+ if (sta->p2p_ie)
+ p2p_dev_addr = p2p_get_go_dev_addr(sta->p2p_ie);
+ } else {
+ wpabuf_free(sta->p2p_ie);
+ sta->p2p_ie = NULL;
+ }
+#endif /* CONFIG_P2P */
+
if ((hapd->conf->wpa & WPA_PROTO_RSN) && elems.rsn_ie) {
wpa_ie = elems.rsn_ie;
wpa_ie_len = elems.rsn_ie_len;
}
#ifdef CONFIG_WPS
- sta->flags &= ~(WLAN_STA_WPS | WLAN_STA_MAYBE_WPS);
+ sta->flags &= ~(WLAN_STA_WPS | WLAN_STA_MAYBE_WPS | WLAN_STA_WPS2);
if (hapd->conf->wps_state && elems.wps_ie) {
wpa_printf(MSG_DEBUG, "STA included WPS IE in (Re)Association "
"Request - assume WPS is used");
wpabuf_free(sta->wps_ie);
sta->wps_ie = ieee802_11_vendor_ie_concat(ies, ies_len,
WPS_IE_VENDOR_TYPE);
+ if (sta->wps_ie && wps_is_20(sta->wps_ie)) {
+ wpa_printf(MSG_DEBUG, "WPS: STA supports WPS 2.0");
+ sta->flags |= WLAN_STA_WPS2;
+ }
wpa_ie = NULL;
wpa_ie_len = 0;
if (sta->wps_ie && wps_validate_assoc_req(sta->wps_ie) < 0) {
wpa_ie_len += 2;
if (sta->wpa_sm == NULL)
sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth,
- sta->addr);
+ sta->addr,
+ p2p_dev_addr);
if (sta->wpa_sm == NULL) {
wpa_printf(MSG_WARNING, "Failed to initialize WPA "
"state machine");
}
#endif /* CONFIG_IEEE80211R */
+#ifdef CONFIG_SAE
+ if (wpa_auth_uses_sae(sta->wpa_sm) &&
+ sta->auth_alg == WLAN_AUTH_OPEN) {
+ struct rsn_pmksa_cache_entry *sa;
+ sa = wpa_auth_sta_get_pmksa(sta->wpa_sm);
+ if (!sa || sa->akmp != WPA_KEY_MGMT_SAE) {
+ wpa_printf(MSG_DEBUG,
+ "SAE: No PMKSA cache entry found for "
+ MACSTR, MAC2STR(sta->addr));
+ return WLAN_STATUS_INVALID_PMKID;
+ }
+ wpa_printf(MSG_DEBUG, "SAE: " MACSTR
+ " using PMKSA caching", MAC2STR(sta->addr));
+ } else if (wpa_auth_uses_sae(sta->wpa_sm) &&
+ sta->auth_alg != WLAN_AUTH_SAE &&
+ !(sta->auth_alg == WLAN_AUTH_FT &&
+ wpa_auth_uses_ft_sae(sta->wpa_sm))) {
+ wpa_printf(MSG_DEBUG, "SAE: " MACSTR " tried to use "
+ "SAE AKM after non-SAE auth_alg %u",
+ MAC2STR(sta->addr), sta->auth_alg);
+ return WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG;
+ }
+#endif /* CONFIG_SAE */
+
#ifdef CONFIG_IEEE80211N
- if ((sta->flags & WLAN_STA_HT) &&
+ if ((sta->flags & (WLAN_STA_HT | WLAN_STA_VHT)) &&
wpa_auth_get_pairwise(sta->wpa_sm) == WPA_CIPHER_TKIP) {
hostapd_logger(hapd, sta->addr,
HOSTAPD_MODULE_IEEE80211,
return WLAN_STATUS_CIPHER_REJECTED_PER_POLICY;
}
#endif /* CONFIG_IEEE80211N */
+#ifdef CONFIG_HS20
+ } else if (hapd->conf->osen) {
+ if (elems.osen == NULL) {
+ hostapd_logger(
+ hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
+ HOSTAPD_LEVEL_INFO,
+ "No HS 2.0 OSEN element in association request");
+ return WLAN_STATUS_INVALID_IE;
+ }
+
+ wpa_printf(MSG_DEBUG, "HS 2.0: OSEN association");
+ if (sta->wpa_sm == NULL)
+ sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth,
+ sta->addr, NULL);
+ if (sta->wpa_sm == NULL) {
+ wpa_printf(MSG_WARNING, "Failed to initialize WPA "
+ "state machine");
+ return WLAN_STATUS_UNSPECIFIED_FAILURE;
+ }
+ if (wpa_validate_osen(hapd->wpa_auth, sta->wpa_sm,
+ elems.osen - 2, elems.osen_len + 2) < 0)
+ return WLAN_STATUS_INVALID_IE;
+#endif /* CONFIG_HS20 */
} else
wpa_auth_sta_no_wpa(sta->wpa_sm);
#ifdef CONFIG_P2P
- if (elems.p2p) {
- wpabuf_free(sta->p2p_ie);
- sta->p2p_ie = ieee802_11_vendor_ie_concat(ies, ies_len,
- P2P_IE_VENDOR_TYPE);
+ p2p_group_notif_assoc(hapd->p2p_group, sta->addr, ies, ies_len);
+#endif /* CONFIG_P2P */
- if (p2p_group_notif_assoc(hapd->p2p_group, sta->addr,
- ies, ies_len) < 0) {
- wpa_printf(MSG_DEBUG, "P2P: Invalid P2P IE in "
- "(Re)Association Request frame from "
- MACSTR, MAC2STR(sta->addr));
- return WLAN_STATUS_UNSPECIFIED_FAILURE;
- }
- } else {
- wpabuf_free(sta->p2p_ie);
- sta->p2p_ie = NULL;
+#ifdef CONFIG_HS20
+ wpabuf_free(sta->hs20_ie);
+ if (elems.hs20 && elems.hs20_len > 4) {
+ sta->hs20_ie = wpabuf_alloc_copy(elems.hs20 + 4,
+ elems.hs20_len - 4);
+ } else
+ sta->hs20_ie = NULL;
+#endif /* CONFIG_HS20 */
+
+#ifdef CONFIG_FST
+ wpabuf_free(sta->mb_ies);
+ if (hapd->iface->fst)
+ sta->mb_ies = mb_ies_by_info(&elems.mb_ies);
+ else
+ sta->mb_ies = NULL;
+#endif /* CONFIG_FST */
+
+#ifdef CONFIG_MBO
+ mbo_ap_check_sta_assoc(hapd, sta, &elems);
+
+ if (hapd->conf->mbo_enabled && (hapd->conf->wpa & 2) &&
+ elems.mbo && sta->cell_capa && !(sta->flags & WLAN_STA_MFP) &&
+ hapd->conf->ieee80211w != NO_MGMT_FRAME_PROTECTION) {
+ wpa_printf(MSG_INFO,
+ "MBO: Reject WPA2 association without PMF");
+ return WLAN_STATUS_UNSPECIFIED_FAILURE;
}
-#endif /* CONFIG_P2P */
+#endif /* CONFIG_MBO */
+
+ ap_copy_sta_supp_op_classes(sta, elems.supp_op_classes,
+ elems.supp_op_classes_len);
+
+ if ((sta->capability & WLAN_CAPABILITY_RADIO_MEASUREMENT) &&
+ elems.rrm_enabled &&
+ elems.rrm_enabled_len >= sizeof(sta->rrm_enabled_capa))
+ os_memcpy(sta->rrm_enabled_capa, elems.rrm_enabled,
+ sizeof(sta->rrm_enabled_capa));
return WLAN_STATUS_SUCCESS;
}
send_len = IEEE80211_HDRLEN + sizeof(reply.u.deauth);
reply.u.deauth.reason_code = host_to_le16(reason_code);
- if (hapd->drv.send_mgmt_frame(hapd, &reply, send_len) < 0)
+ if (hostapd_drv_send_mlme(hapd, &reply, send_len, 0) < 0)
wpa_printf(MSG_INFO, "Failed to send deauth: %s",
strerror(errno));
}
-static void send_assoc_resp(struct hostapd_data *hapd, struct sta_info *sta,
- u16 status_code, int reassoc, const u8 *ies,
- size_t ies_len)
+static int add_associated_sta(struct hostapd_data *hapd,
+ struct sta_info *sta)
+{
+ struct ieee80211_ht_capabilities ht_cap;
+ struct ieee80211_vht_capabilities vht_cap;
+
+ /*
+ * Remove the STA entry to ensure the STA PS state gets cleared and
+ * configuration gets updated. This is relevant for cases, such as
+ * FT-over-the-DS, where a station re-associates back to the same AP but
+ * skips the authentication flow, or if working with a driver that
+ * does not support full AP client state.
+ */
+ if (!sta->added_unassoc)
+ hostapd_drv_sta_remove(hapd, sta->addr);
+
+#ifdef CONFIG_IEEE80211N
+ if (sta->flags & WLAN_STA_HT)
+ hostapd_get_ht_capab(hapd, sta->ht_capabilities, &ht_cap);
+#endif /* CONFIG_IEEE80211N */
+#ifdef CONFIG_IEEE80211AC
+ if (sta->flags & WLAN_STA_VHT)
+ hostapd_get_vht_capab(hapd, sta->vht_capabilities, &vht_cap);
+#endif /* CONFIG_IEEE80211AC */
+
+ /*
+ * Add the station with forced WLAN_STA_ASSOC flag. The sta->flags
+ * will be set when the ACK frame for the (Re)Association Response frame
+ * is processed (TX status driver event).
+ */
+ if (hostapd_sta_add(hapd, sta->addr, sta->aid, sta->capability,
+ sta->supported_rates, sta->supported_rates_len,
+ sta->listen_interval,
+ sta->flags & WLAN_STA_HT ? &ht_cap : NULL,
+ sta->flags & WLAN_STA_VHT ? &vht_cap : NULL,
+ sta->flags | WLAN_STA_ASSOC, sta->qosinfo,
+ sta->vht_opmode, sta->p2p_ie ? 1 : 0,
+ sta->added_unassoc)) {
+ hostapd_logger(hapd, sta->addr,
+ HOSTAPD_MODULE_IEEE80211, HOSTAPD_LEVEL_NOTICE,
+ "Could not %s STA to kernel driver",
+ sta->added_unassoc ? "set" : "add");
+
+ if (sta->added_unassoc) {
+ hostapd_drv_sta_remove(hapd, sta->addr);
+ sta->added_unassoc = 0;
+ }
+
+ return -1;
+ }
+
+ sta->added_unassoc = 0;
+
+ return 0;
+}
+
+
+static u16 send_assoc_resp(struct hostapd_data *hapd, struct sta_info *sta,
+ u16 status_code, int reassoc, const u8 *ies,
+ size_t ies_len)
{
int send_len;
u8 buf[sizeof(struct ieee80211_mgmt) + 1024];
send_len = IEEE80211_HDRLEN;
send_len += sizeof(reply->u.assoc_resp);
reply->u.assoc_resp.capab_info =
- host_to_le16(hostapd_own_capab_info(hapd, sta, 0));
+ host_to_le16(hostapd_own_capab_info(hapd));
reply->u.assoc_resp.status_code = host_to_le16(status_code);
- reply->u.assoc_resp.aid = host_to_le16((sta ? sta->aid : 0)
- | BIT(14) | BIT(15));
+ reply->u.assoc_resp.aid = host_to_le16(sta->aid | BIT(14) | BIT(15));
/* Supported rates */
p = hostapd_eid_supp_rates(hapd, reply->u.assoc_resp.variable);
/* Extended supported rates */
p = hostapd_eid_ht_operation(hapd, p);
#endif /* CONFIG_IEEE80211N */
+#ifdef CONFIG_IEEE80211AC
+ if (hapd->iconf->ieee80211ac && !hapd->conf->disable_11ac) {
+ u32 nsts = 0, sta_nsts;
+
+ if (hapd->conf->use_sta_nsts && sta->vht_capabilities) {
+ struct ieee80211_vht_capabilities *capa;
+
+ nsts = (hapd->iface->conf->vht_capab >>
+ VHT_CAP_BEAMFORMEE_STS_OFFSET) & 7;
+ capa = sta->vht_capabilities;
+ sta_nsts = (le_to_host32(capa->vht_capabilities_info) >>
+ VHT_CAP_BEAMFORMEE_STS_OFFSET) & 7;
+
+ if (nsts < sta_nsts)
+ nsts = 0;
+ else
+ nsts = sta_nsts;
+ }
+ p = hostapd_eid_vht_capabilities(hapd, p, nsts);
+ p = hostapd_eid_vht_operation(hapd, p);
+ }
+#endif /* CONFIG_IEEE80211AC */
+
+ p = hostapd_eid_ext_capab(hapd, p);
+ p = hostapd_eid_bss_max_idle_period(hapd, p);
+ if (sta->qos_map_enabled)
+ p = hostapd_eid_qos_map_set(hapd, p);
+
+#ifdef CONFIG_FST
+ if (hapd->iface->fst_ies) {
+ os_memcpy(p, wpabuf_head(hapd->iface->fst_ies),
+ wpabuf_len(hapd->iface->fst_ies));
+ p += wpabuf_len(hapd->iface->fst_ies);
+ }
+#endif /* CONFIG_FST */
+
+#ifdef CONFIG_IEEE80211AC
+ if (hapd->conf->vendor_vht && (sta->flags & WLAN_STA_VENDOR_VHT))
+ p = hostapd_eid_vendor_vht(hapd, p);
+#endif /* CONFIG_IEEE80211AC */
+
if (sta->flags & WLAN_STA_WMM)
p = hostapd_eid_wmm(hapd, p);
#ifdef CONFIG_WPS
- if (sta->flags & WLAN_STA_WPS) {
+ if ((sta->flags & WLAN_STA_WPS) ||
+ ((sta->flags & WLAN_STA_MAYBE_WPS) && hapd->conf->wpa)) {
struct wpabuf *wps = wps_build_assoc_resp_ie();
if (wps) {
os_memcpy(p, wpabuf_head(wps), wpabuf_len(wps));
#endif /* CONFIG_WPS */
#ifdef CONFIG_P2P
- if (sta->p2p_ie) {
+ if (sta->p2p_ie && hapd->p2p_group) {
struct wpabuf *p2p_resp_ie;
enum p2p_status_code status;
switch (status_code) {
p = hostapd_eid_p2p_manage(hapd, p);
#endif /* CONFIG_P2P_MANAGER */
+ p = hostapd_eid_mbo(hapd, p, buf + sizeof(buf) - p);
+
+ if (hapd->conf->assocresp_elements &&
+ (size_t) (buf + sizeof(buf) - p) >=
+ wpabuf_len(hapd->conf->assocresp_elements)) {
+ os_memcpy(p, wpabuf_head(hapd->conf->assocresp_elements),
+ wpabuf_len(hapd->conf->assocresp_elements));
+ p += wpabuf_len(hapd->conf->assocresp_elements);
+ }
+
send_len += p - reply->u.assoc_resp.variable;
- if (hapd->drv.send_mgmt_frame(hapd, reply, send_len) < 0)
+ if (hostapd_drv_send_mlme(hapd, reply, send_len, 0) < 0) {
wpa_printf(MSG_INFO, "Failed to send assoc resp: %s",
strerror(errno));
+ return WLAN_STATUS_UNSPECIFIED_FAILURE;
+ }
+
+ return WLAN_STATUS_SUCCESS;
}
const struct ieee80211_mgmt *mgmt, size_t len,
int reassoc)
{
- u16 capab_info, listen_interval;
- u16 resp = WLAN_STATUS_SUCCESS;
+ u16 capab_info, listen_interval, seq_ctrl, fc;
+ u16 resp = WLAN_STATUS_SUCCESS, reply_res;
const u8 *pos;
int left, i;
struct sta_info *sta;
if (len < IEEE80211_HDRLEN + (reassoc ? sizeof(mgmt->u.reassoc_req) :
sizeof(mgmt->u.assoc_req))) {
- printf("handle_assoc(reassoc=%d) - too short payload (len=%lu)"
- "\n", reassoc, (unsigned long) len);
+ wpa_printf(MSG_INFO, "handle_assoc(reassoc=%d) - too short payload (len=%lu)",
+ reassoc, (unsigned long) len);
return;
}
+#ifdef CONFIG_TESTING_OPTIONS
+ if (reassoc) {
+ if (hapd->iconf->ignore_reassoc_probability > 0.0 &&
+ drand48() < hapd->iconf->ignore_reassoc_probability) {
+ wpa_printf(MSG_INFO,
+ "TESTING: ignoring reassoc request from "
+ MACSTR, MAC2STR(mgmt->sa));
+ return;
+ }
+ } else {
+ if (hapd->iconf->ignore_assoc_probability > 0.0 &&
+ drand48() < hapd->iconf->ignore_assoc_probability) {
+ wpa_printf(MSG_INFO,
+ "TESTING: ignoring assoc request from "
+ MACSTR, MAC2STR(mgmt->sa));
+ return;
+ }
+ }
+#endif /* CONFIG_TESTING_OPTIONS */
+
+ fc = le_to_host16(mgmt->frame_control);
+ seq_ctrl = le_to_host16(mgmt->seq_ctrl);
+
if (reassoc) {
capab_info = le_to_host16(mgmt->u.reassoc_req.capab_info);
listen_interval = le_to_host16(
mgmt->u.reassoc_req.listen_interval);
wpa_printf(MSG_DEBUG, "reassociation request: STA=" MACSTR
" capab_info=0x%02x listen_interval=%d current_ap="
- MACSTR,
+ MACSTR " seq_ctrl=0x%x%s",
MAC2STR(mgmt->sa), capab_info, listen_interval,
- MAC2STR(mgmt->u.reassoc_req.current_ap));
+ MAC2STR(mgmt->u.reassoc_req.current_ap),
+ seq_ctrl, (fc & WLAN_FC_RETRY) ? " retry" : "");
left = len - (IEEE80211_HDRLEN + sizeof(mgmt->u.reassoc_req));
pos = mgmt->u.reassoc_req.variable;
} else {
listen_interval = le_to_host16(
mgmt->u.assoc_req.listen_interval);
wpa_printf(MSG_DEBUG, "association request: STA=" MACSTR
- " capab_info=0x%02x listen_interval=%d",
- MAC2STR(mgmt->sa), capab_info, listen_interval);
+ " capab_info=0x%02x listen_interval=%d "
+ "seq_ctrl=0x%x%s",
+ MAC2STR(mgmt->sa), capab_info, listen_interval,
+ seq_ctrl, (fc & WLAN_FC_RETRY) ? " retry" : "");
left = len - (IEEE80211_HDRLEN + sizeof(mgmt->u.assoc_req));
pos = mgmt->u.assoc_req.variable;
}
wpa_printf(MSG_DEBUG, "FT: Allow STA " MACSTR " to associate "
"prior to authentication since it is using "
"over-the-DS FT", MAC2STR(mgmt->sa));
+
+ /*
+ * Mark station as authenticated, to avoid adding station
+ * entry in the driver as associated and not authenticated
+ */
+ sta->flags |= WLAN_STA_AUTH;
} else
#endif /* CONFIG_IEEE80211R */
if (sta == NULL || (sta->flags & WLAN_STA_AUTH) == 0) {
return;
}
+ if ((fc & WLAN_FC_RETRY) &&
+ sta->last_seq_ctrl != WLAN_INVALID_MGMT_SEQ &&
+ sta->last_seq_ctrl == seq_ctrl &&
+ sta->last_subtype == reassoc ? WLAN_FC_STYPE_REASSOC_REQ :
+ WLAN_FC_STYPE_ASSOC_REQ) {
+ hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
+ HOSTAPD_LEVEL_DEBUG,
+ "Drop repeated association frame seq_ctrl=0x%x",
+ seq_ctrl);
+ return;
+ }
+ sta->last_seq_ctrl = seq_ctrl;
+ sta->last_subtype = reassoc ? WLAN_FC_STYPE_REASSOC_REQ :
+ WLAN_FC_STYPE_ASSOC_REQ;
+
if (hapd->tkip_countermeasures) {
resp = WLAN_REASON_MICHAEL_MIC_FAILURE;
goto fail;
goto fail;
}
+#ifdef CONFIG_MBO
+ if (hapd->conf->mbo_enabled && hapd->mbo_assoc_disallow) {
+ resp = WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA;
+ goto fail;
+ }
+#endif /* CONFIG_MBO */
+
+ /*
+ * sta->capability is used in check_assoc_ies() for RRM enabled
+ * capability element.
+ */
+ sta->capability = capab_info;
+
/* followed by SSID and Supported rates; and HT capabilities if 802.11n
* is used */
resp = check_assoc_ies(hapd, sta, pos, left, reassoc);
goto fail;
}
- sta->capability = capab_info;
sta->listen_interval = listen_interval;
if (hapd->iface->current_mode->mode == HOSTAPD_MODE_IEEE80211G)
"association OK (aid %d)", sta->aid);
/* Station will be marked associated, after it acknowledges AssocResp
*/
+ sta->flags |= WLAN_STA_ASSOC_REQ_OK;
#ifdef CONFIG_IEEE80211W
if ((sta->flags & WLAN_STA_MFP) && sta->sa_query_timed_out) {
}
#endif /* CONFIG_IEEE80211W */
- if (reassoc) {
- os_memcpy(sta->previous_ap, mgmt->u.reassoc_req.current_ap,
- ETH_ALEN);
- }
-
- if (sta->last_assoc_req)
- os_free(sta->last_assoc_req);
- sta->last_assoc_req = os_malloc(len);
- if (sta->last_assoc_req)
- os_memcpy(sta->last_assoc_req, mgmt, len);
-
/* Make sure that the previously registered inactivity timer will not
* remove the STA immediately. */
sta->timeout_next = STA_NULLFUNC;
+#ifdef CONFIG_TAXONOMY
+ taxonomy_sta_info_assoc_req(hapd, sta, pos, left);
+#endif /* CONFIG_TAXONOMY */
+
fail:
- send_assoc_resp(hapd, sta, resp, reassoc, pos, left);
+ /*
+ * In case of a successful response, add the station to the driver.
+ * Otherwise, the kernel may ignore Data frames before we process the
+ * ACK frame (TX status). In case of a failure, this station will be
+ * removed.
+ *
+ * Note that this is not compliant with the IEEE 802.11 standard that
+ * states that a non-AP station should transition into the
+ * authenticated/associated state only after the station acknowledges
+ * the (Re)Association Response frame. However, still do this as:
+ *
+ * 1. In case the station does not acknowledge the (Re)Association
+ * Response frame, it will be removed.
+ * 2. Data frames will be dropped in the kernel until the station is
+ * set into authorized state, and there are no significant known
+ * issues with processing other non-Data Class 3 frames during this
+ * window.
+ */
+ if (resp == WLAN_STATUS_SUCCESS && add_associated_sta(hapd, sta))
+ resp = WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA;
+
+ reply_res = send_assoc_resp(hapd, sta, resp, reassoc, pos, left);
+
+ /*
+ * Remove the station in case tranmission of a success response fails
+ * (the STA was added associated to the driver) or if the station was
+ * previously added unassociated.
+ */
+ if ((reply_res != WLAN_STATUS_SUCCESS &&
+ resp == WLAN_STATUS_SUCCESS) || sta->added_unassoc) {
+ hostapd_drv_sta_remove(hapd, sta->addr);
+ sta->added_unassoc = 0;
+ }
}
struct sta_info *sta;
if (len < IEEE80211_HDRLEN + sizeof(mgmt->u.disassoc)) {
- printf("handle_disassoc - too short payload (len=%lu)\n",
- (unsigned long) len);
+ wpa_printf(MSG_INFO, "handle_disassoc - too short payload (len=%lu)",
+ (unsigned long) len);
return;
}
sta = ap_get_sta(hapd, mgmt->sa);
if (sta == NULL) {
- printf("Station " MACSTR " trying to disassociate, but it "
- "is not associated.\n", MAC2STR(mgmt->sa));
+ wpa_printf(MSG_INFO, "Station " MACSTR " trying to disassociate, but it is not associated",
+ MAC2STR(mgmt->sa));
return;
}
- sta->flags &= ~WLAN_STA_ASSOC;
- wpa_msg(hapd->msg_ctx, MSG_INFO, AP_STA_DISCONNECTED MACSTR,
- MAC2STR(sta->addr));
+ ap_sta_set_authorized(hapd, sta, 0);
+ sta->last_seq_ctrl = WLAN_INVALID_MGMT_SEQ;
+ sta->flags &= ~(WLAN_STA_ASSOC | WLAN_STA_ASSOC_REQ_OK);
wpa_auth_sm_event(sta->wpa_sm, WPA_DISASSOC);
hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
HOSTAPD_LEVEL_INFO, "disassociated");
/* Stop Accounting and IEEE 802.1X sessions, but leave the STA
* authenticated. */
accounting_sta_stop(hapd, sta);
- ieee802_1x_free_station(sta);
- hapd->drv.sta_remove(hapd, sta->addr);
+ ieee802_1x_free_station(hapd, sta);
+ if (sta->ipaddr)
+ hostapd_drv_br_delete_ip_neigh(hapd, 4, (u8 *) &sta->ipaddr);
+ ap_sta_ip6addr_del(hapd, sta);
+ hostapd_drv_sta_remove(hapd, sta->addr);
+ sta->added_unassoc = 0;
if (sta->timeout_next == STA_NULLFUNC ||
sta->timeout_next == STA_DISASSOC) {
struct sta_info *sta;
if (len < IEEE80211_HDRLEN + sizeof(mgmt->u.deauth)) {
- printf("handle_deauth - too short payload (len=%lu)\n",
- (unsigned long) len);
+ wpa_msg(hapd->msg_ctx, MSG_DEBUG, "handle_deauth - too short "
+ "payload (len=%lu)", (unsigned long) len);
return;
}
- wpa_printf(MSG_DEBUG, "deauthentication: STA=" MACSTR
- " reason_code=%d",
- MAC2STR(mgmt->sa),
- le_to_host16(mgmt->u.deauth.reason_code));
+ wpa_msg(hapd->msg_ctx, MSG_DEBUG, "deauthentication: STA=" MACSTR
+ " reason_code=%d",
+ MAC2STR(mgmt->sa), le_to_host16(mgmt->u.deauth.reason_code));
sta = ap_get_sta(hapd, mgmt->sa);
if (sta == NULL) {
- printf("Station " MACSTR " trying to deauthenticate, but it "
- "is not authenticated.\n", MAC2STR(mgmt->sa));
+ wpa_msg(hapd->msg_ctx, MSG_DEBUG, "Station " MACSTR " trying "
+ "to deauthenticate, but it is not authenticated",
+ MAC2STR(mgmt->sa));
return;
}
- sta->flags &= ~(WLAN_STA_AUTH | WLAN_STA_ASSOC);
- wpa_msg(hapd->msg_ctx, MSG_INFO, AP_STA_DISCONNECTED MACSTR,
- MAC2STR(sta->addr));
+ ap_sta_set_authorized(hapd, sta, 0);
+ sta->last_seq_ctrl = WLAN_INVALID_MGMT_SEQ;
+ sta->flags &= ~(WLAN_STA_AUTH | WLAN_STA_ASSOC |
+ WLAN_STA_ASSOC_REQ_OK);
wpa_auth_sm_event(sta->wpa_sm, WPA_DEAUTH);
hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
HOSTAPD_LEVEL_DEBUG, "deauthenticated");
struct ieee802_11_elems elems;
if (len < IEEE80211_HDRLEN + sizeof(mgmt->u.beacon)) {
- printf("handle_beacon - too short payload (len=%lu)\n",
- (unsigned long) len);
+ wpa_printf(MSG_INFO, "handle_beacon - too short payload (len=%lu)",
+ (unsigned long) len);
return;
}
#ifdef CONFIG_IEEE80211W
-/* MLME-SAQuery.request */
-void ieee802_11_send_sa_query_req(struct hostapd_data *hapd,
- const u8 *addr, const u8 *trans_id)
-{
- struct ieee80211_mgmt mgmt;
- u8 *end;
-
- wpa_printf(MSG_DEBUG, "IEEE 802.11: Sending SA Query Request to "
- MACSTR, MAC2STR(addr));
- wpa_hexdump(MSG_DEBUG, "IEEE 802.11: SA Query Transaction ID",
- trans_id, WLAN_SA_QUERY_TR_ID_LEN);
-
- os_memset(&mgmt, 0, sizeof(mgmt));
- mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
- WLAN_FC_STYPE_ACTION);
- os_memcpy(mgmt.da, addr, ETH_ALEN);
- os_memcpy(mgmt.sa, hapd->own_addr, ETH_ALEN);
- os_memcpy(mgmt.bssid, hapd->own_addr, ETH_ALEN);
- mgmt.u.action.category = WLAN_ACTION_SA_QUERY;
- mgmt.u.action.u.sa_query_req.action = WLAN_SA_QUERY_REQUEST;
- os_memcpy(mgmt.u.action.u.sa_query_req.trans_id, trans_id,
- WLAN_SA_QUERY_TR_ID_LEN);
- end = mgmt.u.action.u.sa_query_req.trans_id + WLAN_SA_QUERY_TR_ID_LEN;
- if (hapd->drv.send_mgmt_frame(hapd, &mgmt, end - (u8 *) &mgmt) < 0)
- perror("ieee802_11_send_sa_query_req: send");
-}
-
-
-static void hostapd_sa_query_request(struct hostapd_data *hapd,
- const struct ieee80211_mgmt *mgmt)
-{
- struct sta_info *sta;
- struct ieee80211_mgmt resp;
- u8 *end;
-
- wpa_printf(MSG_DEBUG, "IEEE 802.11: Received SA Query Request from "
- MACSTR, MAC2STR(mgmt->sa));
- wpa_hexdump(MSG_DEBUG, "IEEE 802.11: SA Query Transaction ID",
- mgmt->u.action.u.sa_query_resp.trans_id,
- WLAN_SA_QUERY_TR_ID_LEN);
-
- sta = ap_get_sta(hapd, mgmt->sa);
- if (sta == NULL || !(sta->flags & WLAN_STA_ASSOC)) {
- wpa_printf(MSG_DEBUG, "IEEE 802.11: Ignore SA Query Request "
- "from unassociated STA " MACSTR, MAC2STR(mgmt->sa));
- return;
- }
-
- wpa_printf(MSG_DEBUG, "IEEE 802.11: Sending SA Query Response to "
- MACSTR, MAC2STR(mgmt->sa));
-
- os_memset(&resp, 0, sizeof(resp));
- resp.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
- WLAN_FC_STYPE_ACTION);
- os_memcpy(resp.da, mgmt->sa, ETH_ALEN);
- os_memcpy(resp.sa, hapd->own_addr, ETH_ALEN);
- os_memcpy(resp.bssid, hapd->own_addr, ETH_ALEN);
- resp.u.action.category = WLAN_ACTION_SA_QUERY;
- resp.u.action.u.sa_query_req.action = WLAN_SA_QUERY_RESPONSE;
- os_memcpy(resp.u.action.u.sa_query_req.trans_id,
- mgmt->u.action.u.sa_query_req.trans_id,
- WLAN_SA_QUERY_TR_ID_LEN);
- end = resp.u.action.u.sa_query_req.trans_id + WLAN_SA_QUERY_TR_ID_LEN;
- if (hapd->drv.send_mgmt_frame(hapd, &resp, end - (u8 *) &resp) < 0)
- perror("hostapd_sa_query_request: send");
-}
-
-
-static void hostapd_sa_query_action(struct hostapd_data *hapd,
- const struct ieee80211_mgmt *mgmt,
- size_t len)
+static int hostapd_sa_query_action(struct hostapd_data *hapd,
+ const struct ieee80211_mgmt *mgmt,
+ size_t len)
{
- struct sta_info *sta;
const u8 *end;
- int i;
end = mgmt->u.action.u.sa_query_resp.trans_id +
WLAN_SA_QUERY_TR_ID_LEN;
if (((u8 *) mgmt) + len < end) {
wpa_printf(MSG_DEBUG, "IEEE 802.11: Too short SA Query Action "
"frame (len=%lu)", (unsigned long) len);
- return;
- }
-
- if (mgmt->u.action.u.sa_query_resp.action == WLAN_SA_QUERY_REQUEST) {
- hostapd_sa_query_request(hapd, mgmt);
- return;
- }
-
- if (mgmt->u.action.u.sa_query_resp.action != WLAN_SA_QUERY_RESPONSE) {
- wpa_printf(MSG_DEBUG, "IEEE 802.11: Unexpected SA Query "
- "Action %d", mgmt->u.action.u.sa_query_resp.action);
- return;
- }
-
- wpa_printf(MSG_DEBUG, "IEEE 802.11: Received SA Query Response from "
- MACSTR, MAC2STR(mgmt->sa));
- wpa_hexdump(MSG_DEBUG, "IEEE 802.11: SA Query Transaction ID",
- mgmt->u.action.u.sa_query_resp.trans_id,
- WLAN_SA_QUERY_TR_ID_LEN);
-
- /* MLME-SAQuery.confirm */
-
- sta = ap_get_sta(hapd, mgmt->sa);
- if (sta == NULL || sta->sa_query_trans_id == NULL) {
- wpa_printf(MSG_DEBUG, "IEEE 802.11: No matching STA with "
- "pending SA Query request found");
- return;
- }
-
- for (i = 0; i < sta->sa_query_count; i++) {
- if (os_memcmp(sta->sa_query_trans_id +
- i * WLAN_SA_QUERY_TR_ID_LEN,
- mgmt->u.action.u.sa_query_resp.trans_id,
- WLAN_SA_QUERY_TR_ID_LEN) == 0)
- break;
- }
-
- if (i >= sta->sa_query_count) {
- wpa_printf(MSG_DEBUG, "IEEE 802.11: No matching SA Query "
- "transaction identifier found");
- return;
+ return 0;
}
- hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
- HOSTAPD_LEVEL_DEBUG,
- "Reply to pending SA Query received");
- ap_sta_stop_sa_query(hapd, sta);
+ ieee802_11_sa_query_action(hapd, mgmt->sa,
+ mgmt->u.action.u.sa_query_resp.action,
+ mgmt->u.action.u.sa_query_resp.trans_id);
+ return 1;
}
#endif /* CONFIG_IEEE80211W */
-static void handle_action(struct hostapd_data *hapd,
- const struct ieee80211_mgmt *mgmt, size_t len)
+static int handle_action(struct hostapd_data *hapd,
+ const struct ieee80211_mgmt *mgmt, size_t len)
{
struct sta_info *sta;
+ sta = ap_get_sta(hapd, mgmt->sa);
if (len < IEEE80211_HDRLEN + 1) {
hostapd_logger(hapd, mgmt->sa, HOSTAPD_MODULE_IEEE80211,
HOSTAPD_LEVEL_DEBUG,
"handle_action - too short payload (len=%lu)",
(unsigned long) len);
- return;
+ return 0;
+ }
+
+ if (mgmt->u.action.category != WLAN_ACTION_PUBLIC &&
+ (sta == NULL || !(sta->flags & WLAN_STA_ASSOC))) {
+ wpa_printf(MSG_DEBUG, "IEEE 802.11: Ignored Action "
+ "frame (category=%u) from unassociated STA " MACSTR,
+ MAC2STR(mgmt->sa), mgmt->u.action.category);
+ return 0;
}
- sta = ap_get_sta(hapd, mgmt->sa);
#ifdef CONFIG_IEEE80211W
if (sta && (sta->flags & WLAN_STA_MFP) &&
- !(mgmt->frame_control & host_to_le16(WLAN_FC_ISWEP) &&
- robust_action_frame(mgmt->u.action.category))) {
+ !(mgmt->frame_control & host_to_le16(WLAN_FC_ISWEP)) &&
+ robust_action_frame(mgmt->u.action.category)) {
hostapd_logger(hapd, mgmt->sa, HOSTAPD_MODULE_IEEE80211,
HOSTAPD_LEVEL_DEBUG,
"Dropped unprotected Robust Action frame from "
"an MFP STA");
- return;
+ return 0;
}
#endif /* CONFIG_IEEE80211W */
+ if (sta) {
+ u16 fc = le_to_host16(mgmt->frame_control);
+ u16 seq_ctrl = le_to_host16(mgmt->seq_ctrl);
+
+ if ((fc & WLAN_FC_RETRY) &&
+ sta->last_seq_ctrl != WLAN_INVALID_MGMT_SEQ &&
+ sta->last_seq_ctrl == seq_ctrl &&
+ sta->last_subtype == WLAN_FC_STYPE_ACTION) {
+ hostapd_logger(hapd, sta->addr,
+ HOSTAPD_MODULE_IEEE80211,
+ HOSTAPD_LEVEL_DEBUG,
+ "Drop repeated action frame seq_ctrl=0x%x",
+ seq_ctrl);
+ return 1;
+ }
+
+ sta->last_seq_ctrl = seq_ctrl;
+ sta->last_subtype = WLAN_FC_STYPE_ACTION;
+ }
+
switch (mgmt->u.action.category) {
#ifdef CONFIG_IEEE80211R
case WLAN_ACTION_FT:
- {
- if (sta == NULL || !(sta->flags & WLAN_STA_ASSOC)) {
- wpa_printf(MSG_DEBUG, "IEEE 802.11: Ignored FT Action "
- "frame from unassociated STA " MACSTR,
- MAC2STR(mgmt->sa));
- return;
- }
-
- if (wpa_ft_action_rx(sta->wpa_sm, (u8 *) &mgmt->u.action,
+ if (!sta ||
+ wpa_ft_action_rx(sta->wpa_sm, (u8 *) &mgmt->u.action,
len - IEEE80211_HDRLEN))
break;
-
- return;
- }
+ return 1;
#endif /* CONFIG_IEEE80211R */
case WLAN_ACTION_WMM:
hostapd_wmm_action(hapd, mgmt, len);
- return;
+ return 1;
#ifdef CONFIG_IEEE80211W
case WLAN_ACTION_SA_QUERY:
- hostapd_sa_query_action(hapd, mgmt, len);
- return;
+ return hostapd_sa_query_action(hapd, mgmt, len);
#endif /* CONFIG_IEEE80211W */
+#ifdef CONFIG_WNM
+ case WLAN_ACTION_WNM:
+ ieee802_11_rx_wnm_action_ap(hapd, mgmt, len);
+ return 1;
+#endif /* CONFIG_WNM */
+#ifdef CONFIG_FST
+ case WLAN_ACTION_FST:
+ if (hapd->iface->fst)
+ fst_rx_action(hapd->iface->fst, mgmt, len);
+ else
+ wpa_printf(MSG_DEBUG,
+ "FST: Ignore FST Action frame - no FST attached");
+ return 1;
+#endif /* CONFIG_FST */
case WLAN_ACTION_PUBLIC:
+ case WLAN_ACTION_PROTECTED_DUAL:
+#ifdef CONFIG_IEEE80211N
+ if (len >= IEEE80211_HDRLEN + 2 &&
+ mgmt->u.action.u.public_action.action ==
+ WLAN_PA_20_40_BSS_COEX) {
+ wpa_printf(MSG_DEBUG,
+ "HT20/40 coex mgmt frame received from STA "
+ MACSTR, MAC2STR(mgmt->sa));
+ hostapd_2040_coex_action(hapd, mgmt, len);
+ }
+#endif /* CONFIG_IEEE80211N */
if (hapd->public_action_cb) {
hapd->public_action_cb(hapd->public_action_cb_ctx,
(u8 *) mgmt, len,
hapd->iface->freq);
- return;
}
+ if (hapd->public_action_cb2) {
+ hapd->public_action_cb2(hapd->public_action_cb2_ctx,
+ (u8 *) mgmt, len,
+ hapd->iface->freq);
+ }
+ if (hapd->public_action_cb || hapd->public_action_cb2)
+ return 1;
break;
case WLAN_ACTION_VENDOR_SPECIFIC:
if (hapd->vendor_action_cb) {
if (hapd->vendor_action_cb(hapd->vendor_action_cb_ctx,
(u8 *) mgmt, len,
hapd->iface->freq) == 0)
- return;
+ return 1;
}
break;
+ case WLAN_ACTION_RADIO_MEASUREMENT:
+ hostapd_handle_radio_measurement(hapd, (const u8 *) mgmt, len);
+ return 1;
}
hostapd_logger(hapd, mgmt->sa, HOSTAPD_MODULE_IEEE80211,
"handle_action - unknown action category %d or invalid "
"frame",
mgmt->u.action.category);
- if (!(mgmt->da[0] & 0x01) && !(mgmt->u.action.category & 0x80) &&
- !(mgmt->sa[0] & 0x01)) {
+ if (!is_multicast_ether_addr(mgmt->da) &&
+ !(mgmt->u.action.category & 0x80) &&
+ !is_multicast_ether_addr(mgmt->sa)) {
struct ieee80211_mgmt *resp;
/*
"frame back to sender");
resp = os_malloc(len);
if (resp == NULL)
- return;
+ return 0;
os_memcpy(resp, mgmt, len);
os_memcpy(resp->da, resp->sa, ETH_ALEN);
os_memcpy(resp->sa, hapd->own_addr, ETH_ALEN);
os_memcpy(resp->bssid, hapd->own_addr, ETH_ALEN);
resp->u.action.category |= 0x80;
- hapd->drv.send_mgmt_frame(hapd, resp, len);
+ if (hostapd_drv_send_mlme(hapd, resp, len, 0) < 0) {
+ wpa_printf(MSG_ERROR, "IEEE 802.11: Failed to send "
+ "Action frame");
+ }
os_free(resp);
}
+
+ return 1;
}
* addition, it can be called to re-inserted pending frames (e.g., when using
* external RADIUS server as an MAC ACL).
*/
-void ieee802_11_mgmt(struct hostapd_data *hapd, const u8 *buf, size_t len,
- struct hostapd_frame_info *fi)
+int ieee802_11_mgmt(struct hostapd_data *hapd, const u8 *buf, size_t len,
+ struct hostapd_frame_info *fi)
{
struct ieee80211_mgmt *mgmt;
- int broadcast;
u16 fc, stype;
+ int ret = 0;
+
+ if (len < 24)
+ return 0;
mgmt = (struct ieee80211_mgmt *) buf;
fc = le_to_host16(mgmt->frame_control);
if (stype == WLAN_FC_STYPE_BEACON) {
handle_beacon(hapd, mgmt, len, fi);
- return;
+ return 1;
}
- broadcast = mgmt->bssid[0] == 0xff && mgmt->bssid[1] == 0xff &&
- mgmt->bssid[2] == 0xff && mgmt->bssid[3] == 0xff &&
- mgmt->bssid[4] == 0xff && mgmt->bssid[5] == 0xff;
-
- if (!broadcast &&
+ if (!is_broadcast_ether_addr(mgmt->bssid) &&
+#ifdef CONFIG_P2P
+ /* Invitation responses can be sent with the peer MAC as BSSID */
+ !((hapd->conf->p2p & P2P_GROUP_OWNER) &&
+ stype == WLAN_FC_STYPE_ACTION) &&
+#endif /* CONFIG_P2P */
+#ifdef CONFIG_MESH
+ !(hapd->conf->mesh & MESH_ENABLED) &&
+#endif /* CONFIG_MESH */
os_memcmp(mgmt->bssid, hapd->own_addr, ETH_ALEN) != 0) {
- printf("MGMT: BSSID=" MACSTR " not our address\n",
- MAC2STR(mgmt->bssid));
- return;
+ wpa_printf(MSG_INFO, "MGMT: BSSID=" MACSTR " not our address",
+ MAC2STR(mgmt->bssid));
+ return 0;
}
if (stype == WLAN_FC_STYPE_PROBE_REQ) {
- handle_probe_req(hapd, mgmt, len);
- return;
+ handle_probe_req(hapd, mgmt, len, fi->ssi_signal);
+ return 1;
}
if (os_memcmp(mgmt->da, hapd->own_addr, ETH_ALEN) != 0) {
HOSTAPD_LEVEL_DEBUG,
"MGMT: DA=" MACSTR " not our address",
MAC2STR(mgmt->da));
- return;
+ return 0;
}
+ if (hapd->iconf->track_sta_max_num)
+ sta_track_add(hapd->iface, mgmt->sa);
+
switch (stype) {
case WLAN_FC_STYPE_AUTH:
wpa_printf(MSG_DEBUG, "mgmt::auth");
handle_auth(hapd, mgmt, len);
+ ret = 1;
break;
case WLAN_FC_STYPE_ASSOC_REQ:
wpa_printf(MSG_DEBUG, "mgmt::assoc_req");
handle_assoc(hapd, mgmt, len, 0);
+ ret = 1;
break;
case WLAN_FC_STYPE_REASSOC_REQ:
wpa_printf(MSG_DEBUG, "mgmt::reassoc_req");
handle_assoc(hapd, mgmt, len, 1);
+ ret = 1;
break;
case WLAN_FC_STYPE_DISASSOC:
wpa_printf(MSG_DEBUG, "mgmt::disassoc");
handle_disassoc(hapd, mgmt, len);
+ ret = 1;
break;
case WLAN_FC_STYPE_DEAUTH:
- wpa_printf(MSG_DEBUG, "mgmt::deauth");
+ wpa_msg(hapd->msg_ctx, MSG_DEBUG, "mgmt::deauth");
handle_deauth(hapd, mgmt, len);
+ ret = 1;
break;
case WLAN_FC_STYPE_ACTION:
wpa_printf(MSG_DEBUG, "mgmt::action");
- handle_action(hapd, mgmt, len);
+ ret = handle_action(hapd, mgmt, len);
break;
default:
hostapd_logger(hapd, mgmt->sa, HOSTAPD_MODULE_IEEE80211,
"unknown mgmt frame subtype %d", stype);
break;
}
+
+ return ret;
}
u16 auth_alg, auth_transaction, status_code;
struct sta_info *sta;
- if (!ok) {
- hostapd_logger(hapd, mgmt->da, HOSTAPD_MODULE_IEEE80211,
- HOSTAPD_LEVEL_NOTICE,
- "did not acknowledge authentication response");
- return;
- }
-
- if (len < IEEE80211_HDRLEN + sizeof(mgmt->u.auth)) {
- printf("handle_auth_cb - too short payload (len=%lu)\n",
- (unsigned long) len);
+ sta = ap_get_sta(hapd, mgmt->da);
+ if (!sta) {
+ wpa_printf(MSG_INFO, "handle_auth_cb: STA " MACSTR " not found",
+ MAC2STR(mgmt->da));
return;
}
auth_transaction = le_to_host16(mgmt->u.auth.auth_transaction);
status_code = le_to_host16(mgmt->u.auth.status_code);
- sta = ap_get_sta(hapd, mgmt->da);
- if (!sta) {
- printf("handle_auth_cb: STA " MACSTR " not found\n",
- MAC2STR(mgmt->da));
- return;
+ if (!ok) {
+ hostapd_logger(hapd, mgmt->da, HOSTAPD_MODULE_IEEE80211,
+ HOSTAPD_LEVEL_NOTICE,
+ "did not acknowledge authentication response");
+ goto fail;
+ }
+
+ if (len < IEEE80211_HDRLEN + sizeof(mgmt->u.auth)) {
+ wpa_printf(MSG_INFO, "handle_auth_cb - too short payload (len=%lu)",
+ (unsigned long) len);
+ goto fail;
}
if (status_code == WLAN_STATUS_SUCCESS &&
hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
HOSTAPD_LEVEL_INFO, "authenticated");
sta->flags |= WLAN_STA_AUTH;
+ if (sta->added_unassoc)
+ hostapd_set_sta_flags(hapd, sta);
+ return;
+ }
+
+fail:
+ if (status_code != WLAN_STATUS_SUCCESS && sta->added_unassoc) {
+ hostapd_drv_sta_remove(hapd, sta->addr);
+ sta->added_unassoc = 0;
+ }
+}
+
+
+static void hostapd_set_wds_encryption(struct hostapd_data *hapd,
+ struct sta_info *sta,
+ char *ifname_wds)
+{
+ int i;
+ struct hostapd_ssid *ssid = &hapd->conf->ssid;
+
+ if (hapd->conf->ieee802_1x || hapd->conf->wpa)
+ return;
+
+ for (i = 0; i < 4; i++) {
+ if (ssid->wep.key[i] &&
+ hostapd_drv_set_key(ifname_wds, hapd, WPA_ALG_WEP, NULL, i,
+ i == ssid->wep.idx, NULL, 0,
+ ssid->wep.key[i], ssid->wep.len[i])) {
+ wpa_printf(MSG_WARNING,
+ "Could not set WEP keys for WDS interface; %s",
+ ifname_wds);
+ break;
+ }
}
}
u16 status;
struct sta_info *sta;
int new_assoc = 1;
- struct ieee80211_ht_capabilities ht_cap;
- if (!ok) {
- hostapd_logger(hapd, mgmt->da, HOSTAPD_MODULE_IEEE80211,
- HOSTAPD_LEVEL_DEBUG,
- "did not acknowledge association response");
+ sta = ap_get_sta(hapd, mgmt->da);
+ if (!sta) {
+ wpa_printf(MSG_INFO, "handle_assoc_cb: STA " MACSTR " not found",
+ MAC2STR(mgmt->da));
return;
}
if (len < IEEE80211_HDRLEN + (reassoc ? sizeof(mgmt->u.reassoc_resp) :
sizeof(mgmt->u.assoc_resp))) {
- printf("handle_assoc_cb(reassoc=%d) - too short payload "
- "(len=%lu)\n", reassoc, (unsigned long) len);
+ wpa_printf(MSG_INFO,
+ "handle_assoc_cb(reassoc=%d) - too short payload (len=%lu)",
+ reassoc, (unsigned long) len);
+ hostapd_drv_sta_remove(hapd, sta->addr);
return;
}
else
status = le_to_host16(mgmt->u.assoc_resp.status_code);
- sta = ap_get_sta(hapd, mgmt->da);
- if (!sta) {
- printf("handle_assoc_cb: STA " MACSTR " not found\n",
- MAC2STR(mgmt->da));
+ if (!ok) {
+ hostapd_logger(hapd, mgmt->da, HOSTAPD_MODULE_IEEE80211,
+ HOSTAPD_LEVEL_DEBUG,
+ "did not acknowledge association response");
+ sta->flags &= ~WLAN_STA_ASSOC_REQ_OK;
+ /* The STA is added only in case of SUCCESS */
+ if (status == WLAN_STATUS_SUCCESS)
+ hostapd_drv_sta_remove(hapd, sta->addr);
+
return;
}
if (status != WLAN_STATUS_SUCCESS)
- goto fail;
+ return;
/* Stop previous accounting session, if one is started, and allocate
* new session id for the new session. */
if (sta->flags & WLAN_STA_ASSOC)
new_assoc = 0;
sta->flags |= WLAN_STA_ASSOC;
- if ((!hapd->conf->ieee802_1x && !hapd->conf->wpa) ||
+ sta->flags &= ~WLAN_STA_WNM_SLEEP_MODE;
+ if ((!hapd->conf->ieee802_1x && !hapd->conf->wpa && !hapd->conf->osen) ||
sta->auth_alg == WLAN_AUTH_FT) {
/*
* Open, static WEP, or FT protocol; no separate authorization
* step.
*/
- sta->flags |= WLAN_STA_AUTHORIZED;
- wpa_msg(hapd->msg_ctx, MSG_INFO,
- AP_STA_CONNECTED MACSTR, MAC2STR(sta->addr));
+ ap_sta_set_authorized(hapd, sta, 1);
}
if (reassoc)
sta->sa_query_timed_out = 0;
#endif /* CONFIG_IEEE80211W */
- /*
- * Remove the STA entry in order to make sure the STA PS state gets
- * cleared and configuration gets updated in case of reassociation back
- * to the same AP.
- */
- hapd->drv.sta_remove(hapd, sta->addr);
-
-#ifdef CONFIG_IEEE80211N
- if (sta->flags & WLAN_STA_HT)
- hostapd_get_ht_capab(hapd, sta->ht_capabilities, &ht_cap);
-#endif /* CONFIG_IEEE80211N */
+ if (sta->flags & WLAN_STA_WDS) {
+ int ret;
+ char ifname_wds[IFNAMSIZ + 1];
- if (hapd->drv.sta_add(hapd, sta->addr, sta->aid, sta->capability,
- sta->supported_rates, sta->supported_rates_len,
- sta->listen_interval,
- sta->flags & WLAN_STA_HT ? &ht_cap : NULL)) {
- hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
- HOSTAPD_LEVEL_NOTICE,
- "Could not add STA to kernel driver");
+ ret = hostapd_set_wds_sta(hapd, ifname_wds, sta->addr,
+ sta->aid, 1);
+ if (!ret)
+ hostapd_set_wds_encryption(hapd, sta, ifname_wds);
}
if (sta->eapol_sm == NULL) {
* so bind it to the selected VLAN interface now, since the
* interface selection is not going to change anymore.
*/
- if (ap_sta_bind_vlan(hapd, sta, 0) < 0)
- goto fail;
+ if (ap_sta_bind_vlan(hapd, sta) < 0)
+ return;
} else if (sta->vlan_id) {
/* VLAN ID already set (e.g., by PMKSA caching), so bind STA */
- if (ap_sta_bind_vlan(hapd, sta, 0) < 0)
- goto fail;
+ if (ap_sta_bind_vlan(hapd, sta) < 0)
+ return;
}
- hapd->drv.set_sta_flags(hapd, sta);
+ hostapd_set_sta_flags(hapd, sta);
if (sta->auth_alg == WLAN_AUTH_FT)
wpa_auth_sm_event(sta->wpa_sm, WPA_ASSOC_FT);
else
wpa_auth_sm_event(sta->wpa_sm, WPA_ASSOC);
hapd->new_assoc_sta_cb(hapd, sta, !new_assoc);
-
ieee802_1x_notify_port_enabled(sta->eapol_sm, 1);
- fail:
- /* Copy of the association request is not needed anymore */
- if (sta->last_assoc_req) {
- os_free(sta->last_assoc_req);
- sta->last_assoc_req = NULL;
+ if (sta->pending_eapol_rx) {
+ struct os_reltime now, age;
+
+ os_get_reltime(&now);
+ os_reltime_sub(&now, &sta->pending_eapol_rx->rx_time, &age);
+ if (age.sec == 0 && age.usec < 200000) {
+ wpa_printf(MSG_DEBUG,
+ "Process pending EAPOL frame that was received from " MACSTR " just before association notification",
+ MAC2STR(sta->addr));
+ ieee802_1x_receive(
+ hapd, mgmt->da,
+ wpabuf_head(sta->pending_eapol_rx->buf),
+ wpabuf_len(sta->pending_eapol_rx->buf));
+ }
+ wpabuf_free(sta->pending_eapol_rx->buf);
+ os_free(sta->pending_eapol_rx);
+ sta->pending_eapol_rx = NULL;
+ }
+}
+
+
+static void handle_deauth_cb(struct hostapd_data *hapd,
+ const struct ieee80211_mgmt *mgmt,
+ size_t len, int ok)
+{
+ struct sta_info *sta;
+ if (is_multicast_ether_addr(mgmt->da))
+ return;
+ sta = ap_get_sta(hapd, mgmt->da);
+ if (!sta) {
+ wpa_printf(MSG_DEBUG, "handle_deauth_cb: STA " MACSTR
+ " not found", MAC2STR(mgmt->da));
+ return;
+ }
+ if (ok)
+ wpa_printf(MSG_DEBUG, "STA " MACSTR " acknowledged deauth",
+ MAC2STR(sta->addr));
+ else
+ wpa_printf(MSG_DEBUG, "STA " MACSTR " did not acknowledge "
+ "deauth", MAC2STR(sta->addr));
+
+ ap_sta_deauth_cb(hapd, sta);
+}
+
+
+static void handle_disassoc_cb(struct hostapd_data *hapd,
+ const struct ieee80211_mgmt *mgmt,
+ size_t len, int ok)
+{
+ struct sta_info *sta;
+ if (is_multicast_ether_addr(mgmt->da))
+ return;
+ sta = ap_get_sta(hapd, mgmt->da);
+ if (!sta) {
+ wpa_printf(MSG_DEBUG, "handle_disassoc_cb: STA " MACSTR
+ " not found", MAC2STR(mgmt->da));
+ return;
}
+ if (ok)
+ wpa_printf(MSG_DEBUG, "STA " MACSTR " acknowledged disassoc",
+ MAC2STR(sta->addr));
+ else
+ wpa_printf(MSG_DEBUG, "STA " MACSTR " did not acknowledge "
+ "disassoc", MAC2STR(sta->addr));
+
+ ap_sta_disassoc_cb(hapd, sta);
}
const struct ieee80211_mgmt *mgmt;
mgmt = (const struct ieee80211_mgmt *) buf;
+#ifdef CONFIG_TESTING_OPTIONS
+ if (hapd->ext_mgmt_frame_handling) {
+ wpa_msg(hapd->msg_ctx, MSG_INFO, "MGMT-TX-STATUS stype=%u ok=%d",
+ stype, ok);
+ return;
+ }
+#endif /* CONFIG_TESTING_OPTIONS */
+
switch (stype) {
case WLAN_FC_STYPE_AUTH:
wpa_printf(MSG_DEBUG, "mgmt::auth cb");
handle_assoc_cb(hapd, mgmt, len, 1, ok);
break;
case WLAN_FC_STYPE_PROBE_RESP:
- wpa_printf(MSG_EXCESSIVE, "mgmt::proberesp cb");
+ wpa_printf(MSG_EXCESSIVE, "mgmt::proberesp cb ok=%d", ok);
break;
case WLAN_FC_STYPE_DEAUTH:
- /* ignore */
+ wpa_printf(MSG_DEBUG, "mgmt::deauth cb");
+ handle_deauth_cb(hapd, mgmt, len, ok);
+ break;
+ case WLAN_FC_STYPE_DISASSOC:
+ wpa_printf(MSG_DEBUG, "mgmt::disassoc cb");
+ handle_disassoc_cb(hapd, mgmt, len, ok);
break;
case WLAN_FC_STYPE_ACTION:
- wpa_printf(MSG_DEBUG, "mgmt::action cb");
+ wpa_printf(MSG_DEBUG, "mgmt::action cb ok=%d", ok);
break;
default:
- printf("unknown mgmt cb frame subtype %d\n", stype);
+ wpa_printf(MSG_INFO, "unknown mgmt cb frame subtype %d", stype);
break;
}
}
break;
}
}
- if (sta == NULL)
+ if (sta == NULL || !(sta->flags & WLAN_STA_ASSOC))
return;
if (sta->flags & WLAN_STA_PENDING_POLL) {
wpa_printf(MSG_DEBUG, "STA " MACSTR " %s pending "
}
+void hostapd_eapol_tx_status(struct hostapd_data *hapd, const u8 *dst,
+ const u8 *data, size_t len, int ack)
+{
+ struct sta_info *sta;
+ struct hostapd_iface *iface = hapd->iface;
+
+ sta = ap_get_sta(hapd, dst);
+ if (sta == NULL && iface->num_bss > 1) {
+ size_t j;
+ for (j = 0; j < iface->num_bss; j++) {
+ hapd = iface->bss[j];
+ sta = ap_get_sta(hapd, dst);
+ if (sta)
+ break;
+ }
+ }
+ if (sta == NULL || !(sta->flags & WLAN_STA_ASSOC)) {
+ wpa_printf(MSG_DEBUG, "Ignore TX status for Data frame to STA "
+ MACSTR " that is not currently associated",
+ MAC2STR(dst));
+ return;
+ }
+
+ ieee802_1x_eapol_tx_status(hapd, sta, data, len, ack);
+}
+
+
+void hostapd_client_poll_ok(struct hostapd_data *hapd, const u8 *addr)
+{
+ struct sta_info *sta;
+ struct hostapd_iface *iface = hapd->iface;
+
+ sta = ap_get_sta(hapd, addr);
+ if (sta == NULL && iface->num_bss > 1) {
+ size_t j;
+ for (j = 0; j < iface->num_bss; j++) {
+ hapd = iface->bss[j];
+ sta = ap_get_sta(hapd, addr);
+ if (sta)
+ break;
+ }
+ }
+ if (sta == NULL)
+ return;
+ wpa_msg(hapd->msg_ctx, MSG_INFO, AP_STA_POLL_OK MACSTR,
+ MAC2STR(sta->addr));
+ if (!(sta->flags & WLAN_STA_PENDING_POLL))
+ return;
+
+ wpa_printf(MSG_DEBUG, "STA " MACSTR " ACKed pending "
+ "activity poll", MAC2STR(sta->addr));
+ sta->flags &= ~WLAN_STA_PENDING_POLL;
+}
+
+
void ieee802_11_rx_from_unknown(struct hostapd_data *hapd, const u8 *src,
int wds)
{
sta = ap_get_sta(hapd, src);
if (sta && (sta->flags & WLAN_STA_ASSOC)) {
+ if (!hapd->conf->wds_sta)
+ return;
+
if (wds && !(sta->flags & WLAN_STA_WDS)) {
+ int ret;
+ char ifname_wds[IFNAMSIZ + 1];
+
wpa_printf(MSG_DEBUG, "Enable 4-address WDS mode for "
"STA " MACSTR " (aid %u)",
MAC2STR(sta->addr), sta->aid);
sta->flags |= WLAN_STA_WDS;
- hapd->drv.set_wds_sta(hapd, sta->addr, sta->aid, 1);
+ ret = hostapd_set_wds_sta(hapd, ifname_wds,
+ sta->addr, sta->aid, 1);
+ if (!ret)
+ hostapd_set_wds_encryption(hapd, sta,
+ ifname_wds);
}
return;
}
wpa_printf(MSG_DEBUG, "Data/PS-poll frame from not associated STA "
MACSTR, MAC2STR(src));
+ if (is_multicast_ether_addr(src)) {
+ /* Broadcast bit set in SA?! Ignore the frame silently. */
+ return;
+ }
+
+ if (sta && (sta->flags & WLAN_STA_ASSOC_REQ_OK)) {
+ wpa_printf(MSG_DEBUG, "Association Response to the STA has "
+ "already been sent, but no TX status yet known - "
+ "ignore Class 3 frame issue with " MACSTR,
+ MAC2STR(src));
+ return;
+ }
+
if (sta && (sta->flags & WLAN_STA_AUTH))
- hapd->drv.sta_disassoc(
+ hostapd_drv_sta_disassoc(
hapd, src,
WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA);
else
- hapd->drv.sta_deauth(
+ hostapd_drv_sta_deauth(
hapd, src,
WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA);
}