/*
* hostapd / IEEE 802.11 Management
- * Copyright (c) 2002-2008, Jouni Malinen <j@w1.fi>
- * Copyright (c) 2007-2008, Intel Corporation
+ * Copyright (c) 2002-2009, Jouni Malinen <j@w1.fi>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
#include <net/if.h>
+#include "common.h"
#include "eloop.h"
+#include "crypto/crypto.h"
+#include "common/wpa_ctrl.h"
+#include "radius/radius.h"
+#include "radius/radius_client.h"
#include "hostapd.h"
#include "ieee802_11.h"
#include "beacon.h"
#include "hw_features.h"
-#include "radius/radius.h"
-#include "radius/radius_client.h"
#include "ieee802_11_auth.h"
#include "sta_info.h"
-#include "rc4.h"
#include "ieee802_1x.h"
#include "wpa.h"
#include "wme.h"
#include "ap_list.h"
#include "accounting.h"
-#include "driver.h"
+#include "driver_i.h"
#include "mlme.h"
}
-u8 * hostapd_eid_ht_capabilities_info(struct hostapd_data *hapd, u8 *eid)
-{
-#ifdef CONFIG_IEEE80211N
- struct ieee80211_ht_capability *cap;
- u8 *pos = eid;
-
- if (!hapd->iconf->ieee80211n)
- return eid;
-
- *pos++ = WLAN_EID_HT_CAP;
- *pos++ = sizeof(*cap);
-
- cap = (struct ieee80211_ht_capability *) pos;
- os_memset(cap, 0, sizeof(*cap));
- SET_2BIT_U8(&cap->mac_ht_params_info,
- MAC_HT_PARAM_INFO_MAX_RX_AMPDU_FACTOR_OFFSET,
- MAX_RX_AMPDU_FACTOR_64KB);
-
- cap->capabilities_info = host_to_le16(hapd->iconf->ht_capab);
-
- cap->supported_mcs_set[0] = 0xff;
- cap->supported_mcs_set[1] = 0xff;
-
- pos += sizeof(*cap);
-
- return pos;
-#else /* CONFIG_IEEE80211N */
- return eid;
-#endif /* CONFIG_IEEE80211N */
-}
-
-
-u8 * hostapd_eid_ht_operation(struct hostapd_data *hapd, u8 *eid)
-{
-#ifdef CONFIG_IEEE80211N
- struct ieee80211_ht_operation *oper;
- u8 *pos = eid;
-
- if (!hapd->iconf->ieee80211n)
- return eid;
-
- *pos++ = WLAN_EID_HT_OPERATION;
- *pos++ = sizeof(*oper);
-
- oper = (struct ieee80211_ht_operation *) pos;
- os_memset(oper, 0, sizeof(*oper));
-
- oper->control_chan = hapd->iconf->channel;
- oper->operation_mode = host_to_le16(hapd->iface->ht_op_mode);
- if (hapd->iconf->secondary_channel == 1)
- oper->ht_param |= HT_INFO_HT_PARAM_SECONDARY_CHNL_ABOVE |
- HT_INFO_HT_PARAM_REC_TRANS_CHNL_WIDTH;
- if (hapd->iconf->secondary_channel == -1)
- oper->ht_param |= HT_INFO_HT_PARAM_SECONDARY_CHNL_BELOW |
- HT_INFO_HT_PARAM_REC_TRANS_CHNL_WIDTH;
-
- pos += sizeof(*oper);
-
- return pos;
-#else /* CONFIG_IEEE80211N */
- return eid;
-#endif /* CONFIG_IEEE80211N */
-}
-
-
-#ifdef CONFIG_IEEE80211N
-
-/*
-op_mode
-Set to 0 (HT pure) under the followign conditions
- - all STAs in the BSS are 20/40 MHz HT in 20/40 MHz BSS or
- - all STAs in the BSS are 20 MHz HT in 20 MHz BSS
-Set to 1 (HT non-member protection) if there may be non-HT STAs
- in both the primary and the secondary channel
-Set to 2 if only HT STAs are associated in BSS,
- however and at least one 20 MHz HT STA is associated
-Set to 3 (HT mixed mode) when one or more non-HT STAs are associated
- (currently non-GF HT station is considered as non-HT STA also)
-*/
-int hostapd_ht_operation_update(struct hostapd_iface *iface)
-{
- u16 cur_op_mode, new_op_mode;
- int op_mode_changes = 0;
-
- if (!iface->conf->ieee80211n || iface->conf->ht_op_mode_fixed)
- return 0;
-
- wpa_printf(MSG_DEBUG, "%s current operation mode=0x%X",
- __func__, iface->ht_op_mode);
-
- if (!(iface->ht_op_mode & HT_INFO_OPERATION_MODE_NON_GF_DEVS_PRESENT)
- && iface->num_sta_ht_no_gf) {
- iface->ht_op_mode |=
- HT_INFO_OPERATION_MODE_NON_GF_DEVS_PRESENT;
- op_mode_changes++;
- } else if ((iface->ht_op_mode &
- HT_INFO_OPERATION_MODE_NON_GF_DEVS_PRESENT) &&
- iface->num_sta_ht_no_gf == 0) {
- iface->ht_op_mode &=
- ~HT_INFO_OPERATION_MODE_NON_GF_DEVS_PRESENT;
- op_mode_changes++;
- }
-
- if (!(iface->ht_op_mode & HT_INFO_OPERATION_MODE_NON_HT_STA_PRESENT) &&
- (iface->num_sta_no_ht || iface->olbc_ht)) {
- iface->ht_op_mode |= HT_INFO_OPERATION_MODE_NON_HT_STA_PRESENT;
- op_mode_changes++;
- } else if ((iface->ht_op_mode &
- HT_INFO_OPERATION_MODE_NON_HT_STA_PRESENT) &&
- (iface->num_sta_no_ht == 0 && !iface->olbc_ht)) {
- iface->ht_op_mode &=
- ~HT_INFO_OPERATION_MODE_NON_HT_STA_PRESENT;
- op_mode_changes++;
- }
-
- /* Note: currently we switch to the MIXED op mode if HT non-greenfield
- * station is associated. Probably it's a theoretical case, since
- * it looks like all known HT STAs support greenfield.
- */
- new_op_mode = 0;
- if (iface->num_sta_no_ht ||
- (iface->ht_op_mode & HT_INFO_OPERATION_MODE_NON_GF_DEVS_PRESENT))
- new_op_mode = OP_MODE_MIXED;
- else if ((iface->conf->ht_capab & HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET)
- && iface->num_sta_ht_20mhz)
- new_op_mode = OP_MODE_20MHZ_HT_STA_ASSOCED;
- else if (iface->olbc_ht)
- new_op_mode = OP_MODE_MAY_BE_LEGACY_STAS;
- else
- new_op_mode = OP_MODE_PURE;
-
- cur_op_mode = iface->ht_op_mode & HT_INFO_OPERATION_MODE_OP_MODE_MASK;
- if (cur_op_mode != new_op_mode) {
- iface->ht_op_mode &= ~HT_INFO_OPERATION_MODE_OP_MODE_MASK;
- iface->ht_op_mode |= new_op_mode;
- op_mode_changes++;
- }
-
- wpa_printf(MSG_DEBUG, "%s new operation mode=0x%X changes=%d",
- __func__, iface->ht_op_mode, op_mode_changes);
-
- return op_mode_changes;
-}
-
-#endif /* CONFIG_IEEE80211N */
-
-
u16 hostapd_own_capab_info(struct hostapd_data *hapd, struct sta_info *sta,
int probe)
{
struct sta_info *sta, u8 *eid)
{
u8 *pos = eid;
- u32 timeout;
-
- *pos++ = WLAN_EID_ASSOC_COMEBACK_TIME;
- *pos++ = 4;
- timeout = (hapd->conf->assoc_ping_attempts - sta->ping_count + 1) *
- hapd->conf->assoc_ping_timeout;
+ 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;
}
+/**
+ * ieee802_11_send_deauth - Send Deauthentication frame
+ * @hapd: hostapd BSS data
+ * @addr: Address of the destination STA
+ * @reason: Reason code for Deauthentication
+ */
void ieee802_11_send_deauth(struct hostapd_data *hapd, u8 *addr, u16 reason)
{
struct ieee80211_mgmt mgmt;
os_memcpy(mgmt.bssid, hapd->own_addr, ETH_ALEN);
mgmt.u.deauth.reason_code = host_to_le16(reason);
if (hostapd_send_mgmt_frame(hapd, &mgmt, IEEE80211_HDRLEN +
- sizeof(mgmt.u.deauth), 0) < 0)
+ sizeof(mgmt.u.deauth)) < 0)
perror("ieee802_11_send_deauth: send");
}
r = random();
os_memcpy(key, &now, 4);
os_memcpy(key + 4, &r, 4);
- rc4(sta->challenge, WLAN_AUTH_CHALLENGE_LEN,
- key, sizeof(key));
+ rc4_skip(key, sizeof(key), 0,
+ sta->challenge, WLAN_AUTH_CHALLENGE_LEN);
}
return 0;
}
" auth_alg=%d auth_transaction=%d resp=%d (IE len=%lu)",
MAC2STR(dst), auth_alg, auth_transaction,
resp, (unsigned long) ies_len);
- if (hostapd_send_mgmt_frame(hapd, reply, rlen, 0) < 0)
+ if (hostapd_send_mgmt_frame(hapd, reply, rlen) < 0)
perror("send_auth_reply: send");
os_free(buf);
if (vlan_id > 0) {
if (hostapd_get_vlan_id_ifname(hapd->conf->vlan,
- sta->vlan_id) == NULL) {
+ vlan_id) == NULL) {
hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_RADIUS,
HOSTAPD_LEVEL_INFO, "Invalid VLAN ID "
"%d received from RADIUS server",
sta->flags &= ~WLAN_STA_PREAUTH;
ieee802_1x_notify_pre_auth(sta->eapol_sm, 0);
- if (hapd->conf->radius->acct_interim_interval == 0 &&
- acct_interim_interval)
+ if (hapd->conf->acct_interim_interval == 0 && acct_interim_interval)
sta->acct_interim_interval = acct_interim_interval;
if (res == HOSTAPD_ACL_ACCEPT_TIMEOUT)
ap_sta_session_timeout(hapd, sta, session_timeout);
}
-static void handle_assoc(struct hostapd_data *hapd,
- struct ieee80211_mgmt *mgmt, size_t len, int reassoc)
+static int hostapd_get_aid(struct hostapd_data *hapd, struct sta_info *sta)
{
- u16 capab_info, listen_interval;
- u16 resp = WLAN_STATUS_SUCCESS;
- u8 *pos, *wpa_ie;
- size_t wpa_ie_len;
- int send_deauth = 0, send_len, left, i;
- struct sta_info *sta;
- struct ieee802_11_elems elems;
- u8 buf[sizeof(struct ieee80211_mgmt) + 512];
- struct ieee80211_mgmt *reply;
+ int i, j = 32, aid;
- 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);
- return;
- }
-
- 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,
- MAC2STR(mgmt->sa), capab_info, listen_interval,
- MAC2STR(mgmt->u.reassoc_req.current_ap));
- left = len - (IEEE80211_HDRLEN + sizeof(mgmt->u.reassoc_req));
- pos = mgmt->u.reassoc_req.variable;
- } else {
- capab_info = le_to_host16(mgmt->u.assoc_req.capab_info);
- 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);
- left = len - (IEEE80211_HDRLEN + sizeof(mgmt->u.assoc_req));
- pos = mgmt->u.assoc_req.variable;
+ /* get a unique AID */
+ if (sta->aid > 0) {
+ wpa_printf(MSG_DEBUG, " old AID %d", sta->aid);
+ return 0;
}
- sta = ap_get_sta(hapd, mgmt->sa);
-#ifdef CONFIG_IEEE80211R
- if (sta && sta->auth_alg == WLAN_AUTH_FT &&
- (sta->flags & WLAN_STA_AUTH) == 0) {
- wpa_printf(MSG_DEBUG, "FT: Allow STA " MACSTR " to associate "
- "prior to authentication since it is using "
- "over-the-DS FT", MAC2STR(mgmt->sa));
- } else
-#endif /* CONFIG_IEEE80211R */
- if (sta == NULL || (sta->flags & WLAN_STA_AUTH) == 0) {
- printf("STA " MACSTR " trying to associate before "
- "authentication\n", MAC2STR(mgmt->sa));
- if (sta) {
- printf(" sta: addr=" MACSTR " aid=%d flags=0x%04x\n",
- MAC2STR(sta->addr), sta->aid, sta->flags);
+ for (i = 0; i < AID_WORDS; i++) {
+ if (hapd->sta_aid[i] == (u32) -1)
+ continue;
+ for (j = 0; j < 32; j++) {
+ if (!(hapd->sta_aid[i] & BIT(j)))
+ break;
}
- send_deauth = 1;
- resp = WLAN_STATUS_UNSPECIFIED_FAILURE;
- goto fail;
- }
-
- if (hapd->tkip_countermeasures) {
- resp = WLAN_REASON_MICHAEL_MIC_FAILURE;
- goto fail;
+ if (j < 32)
+ break;
}
+ if (j == 32)
+ return -1;
+ aid = i * 32 + j + 1;
+ if (aid > 2007)
+ return -1;
- if (listen_interval > hapd->conf->max_listen_interval) {
- hostapd_logger(hapd, mgmt->sa, HOSTAPD_MODULE_IEEE80211,
- HOSTAPD_LEVEL_DEBUG,
- "Too large Listen Interval (%d)",
- listen_interval);
- resp = WLAN_STATUS_ASSOC_DENIED_LISTEN_INT_TOO_LARGE;
- goto fail;
- }
+ sta->aid = aid;
+ hapd->sta_aid[i] |= BIT(j);
+ wpa_printf(MSG_DEBUG, " new AID %d", sta->aid);
+ return 0;
+}
- sta->capability = capab_info;
- sta->listen_interval = listen_interval;
- /* followed by SSID and Supported rates; and HT capabilities if 802.11n
- * is used */
- if (ieee802_11_parse_elems(pos, left, &elems, 1) == ParseFailed ||
- !elems.ssid) {
- printf("STA " MACSTR " sent invalid association request\n",
- MAC2STR(sta->addr));
- resp = WLAN_STATUS_UNSPECIFIED_FAILURE;
- goto fail;
- }
+static u16 check_ssid(struct hostapd_data *hapd, struct sta_info *sta,
+ const u8 *ssid_ie, size_t ssid_ie_len)
+{
+ if (ssid_ie == NULL)
+ return WLAN_STATUS_UNSPECIFIED_FAILURE;
- if (elems.ssid_len != hapd->conf->ssid.ssid_len ||
- os_memcmp(elems.ssid, hapd->conf->ssid.ssid, elems.ssid_len) != 0)
- {
+ 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, elems.ssid, elems.ssid_len);
- printf("Station " MACSTR " tried to associate with "
- "unknown SSID '%s'\n", MAC2STR(sta->addr), ssid_txt);
- resp = WLAN_STATUS_UNSPECIFIED_FAILURE;
- goto fail;
+ 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);
+ return WLAN_STATUS_UNSPECIFIED_FAILURE;
}
- sta->flags &= ~WLAN_STA_WME;
- if (elems.wme && hapd->conf->wme_enabled) {
- if (hostapd_eid_wme_valid(hapd, elems.wme, elems.wme_len))
+ return WLAN_STATUS_SUCCESS;
+}
+
+
+static u16 check_wmm(struct hostapd_data *hapd, struct sta_info *sta,
+ const u8 *wmm_ie, size_t wmm_ie_len)
+{
+ sta->flags &= ~WLAN_STA_WMM;
+ if (wmm_ie && hapd->conf->wmm_enabled) {
+ if (hostapd_eid_wmm_valid(hapd, wmm_ie, wmm_ie_len))
hostapd_logger(hapd, sta->addr,
HOSTAPD_MODULE_WPA,
HOSTAPD_LEVEL_DEBUG,
- "invalid WME element in association "
+ "invalid WMM element in association "
"request");
else
- sta->flags |= WLAN_STA_WME;
+ sta->flags |= WLAN_STA_WMM;
}
+ return WLAN_STATUS_SUCCESS;
+}
- if (!elems.supp_rates) {
- hostapd_logger(hapd, mgmt->sa, HOSTAPD_MODULE_IEEE80211,
+
+static u16 copy_supp_rates(struct hostapd_data *hapd, struct sta_info *sta,
+ struct ieee802_11_elems *elems)
+{
+ if (!elems->supp_rates) {
+ hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
HOSTAPD_LEVEL_DEBUG,
"No supported rates element in AssocReq");
- resp = WLAN_STATUS_UNSPECIFIED_FAILURE;
- goto fail;
+ return WLAN_STATUS_UNSPECIFIED_FAILURE;
}
- if (elems.supp_rates_len > sizeof(sta->supported_rates)) {
- hostapd_logger(hapd, mgmt->sa, HOSTAPD_MODULE_IEEE80211,
+ if (elems->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);
- resp = WLAN_STATUS_UNSPECIFIED_FAILURE;
- goto fail;
+ elems->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;
+ os_memcpy(sta->supported_rates, elems->supp_rates,
+ elems->supp_rates_len);
+ sta->supported_rates_len = elems->supp_rates_len;
- if (elems.ext_supp_rates) {
- if (elems.supp_rates_len + elems.ext_supp_rates_len >
+ if (elems->ext_supp_rates) {
+ if (elems->supp_rates_len + elems->ext_supp_rates_len >
sizeof(sta->supported_rates)) {
- hostapd_logger(hapd, mgmt->sa,
+ 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);
- resp = WLAN_STATUS_UNSPECIFIED_FAILURE;
- goto fail;
+ " %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;
+ 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;
+ }
+
+ return WLAN_STATUS_SUCCESS;
+}
+
+
+static u16 check_assoc_ies(struct hostapd_data *hapd, struct sta_info *sta,
+ u8 *ies, size_t ies_len, int reassoc)
+{
+ struct ieee802_11_elems elems;
+ u16 resp;
+ u8 *wpa_ie;
+ size_t wpa_ie_len;
+
+ if (ieee802_11_parse_elems(ies, ies_len, &elems, 1) == ParseFailed) {
+ hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
+ HOSTAPD_LEVEL_INFO, "Station sent an invalid "
+ "association request");
+ return WLAN_STATUS_UNSPECIFIED_FAILURE;
}
+ resp = check_ssid(hapd, sta, elems.ssid, elems.ssid_len);
+ if (resp != WLAN_STATUS_SUCCESS)
+ return resp;
+ resp = check_wmm(hapd, sta, elems.wmm, elems.wmm_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
- /* save HT capabilities in the sta object */
- os_memset(&sta->ht_capabilities, 0, sizeof(sta->ht_capabilities));
- if (elems.ht_capabilities &&
- elems.ht_capabilities_len >=
- sizeof(struct ieee80211_ht_capability)) {
- sta->flags |= WLAN_STA_HT;
- sta->ht_capabilities.id = WLAN_EID_HT_CAP;
- sta->ht_capabilities.length =
- sizeof(struct ieee80211_ht_capability);
- os_memcpy(&sta->ht_capabilities.data,
- elems.ht_capabilities,
- sizeof(struct ieee80211_ht_capability));
- } else
- sta->flags &= ~WLAN_STA_HT;
+ resp = copy_sta_ht_capab(sta, elems.ht_capabilities,
+ elems.ht_capabilities_len);
+ if (resp != WLAN_STATUS_SUCCESS)
+ return resp;
#endif /* CONFIG_IEEE80211N */
if ((hapd->conf->wpa & WPA_PROTO_RSN) && elems.rsn_ie) {
wpa_ie = NULL;
wpa_ie_len = 0;
}
+
#ifdef CONFIG_WPS
sta->flags &= ~(WLAN_STA_WPS | WLAN_STA_MAYBE_WPS);
if (hapd->conf->wps_state && wpa_ie == NULL) {
} else
#endif /* CONFIG_WPS */
if (hapd->conf->wpa && wpa_ie == NULL) {
- printf("STA " MACSTR ": No WPA/RSN IE in association "
- "request\n", MAC2STR(sta->addr));
- resp = WLAN_STATUS_INVALID_IE;
- goto fail;
+ hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
+ HOSTAPD_LEVEL_INFO,
+ "No WPA/RSN IE in association request");
+ return WLAN_STATUS_INVALID_IE;
}
if (hapd->conf->wpa && wpa_ie) {
sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth,
sta->addr);
if (sta->wpa_sm == NULL) {
- printf("Failed to initialize WPA state machine\n");
- resp = WLAN_STATUS_UNSPECIFIED_FAILURE;
- goto fail;
+ wpa_printf(MSG_WARNING, "Failed to initialize WPA "
+ "state machine");
+ return WLAN_STATUS_UNSPECIFIED_FAILURE;
}
res = wpa_validate_wpa_ie(hapd->wpa_auth, sta->wpa_sm,
wpa_ie, wpa_ie_len,
resp = WLAN_STATUS_UNSPECIFIED_FAILURE;
#ifdef CONFIG_IEEE80211W
else if (res == WPA_MGMT_FRAME_PROTECTION_VIOLATION)
- resp = WLAN_STATUS_UNSPECIFIED_FAILURE; /* FIX */
+ resp = WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION;
else if (res == WPA_INVALID_MGMT_GROUP_CIPHER)
- resp = WLAN_STATUS_UNSPECIFIED_FAILURE; /* FIX */
+ resp = WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION;
#endif /* CONFIG_IEEE80211W */
else if (res == WPA_INVALID_MDIE)
resp = WLAN_STATUS_INVALID_MDIE;
else if (res != WPA_IE_OK)
resp = WLAN_STATUS_INVALID_IE;
if (resp != WLAN_STATUS_SUCCESS)
- goto fail;
+ return resp;
#ifdef CONFIG_IEEE80211W
- if ((sta->flags & WLAN_STA_MFP) && !sta->ping_timed_out) {
+ if ((sta->flags & WLAN_STA_MFP) && !sta->sa_query_timed_out &&
+ sta->sa_query_count > 0)
+ ap_check_sa_query_timeout(hapd, sta);
+ if ((sta->flags & WLAN_STA_MFP) && !sta->sa_query_timed_out &&
+ (!reassoc || sta->auth_alg != WLAN_AUTH_FT)) {
/*
- * STA has already been associated with MFP and ping
- * timeout has not been reached. Reject the
- * association attempt temporarily and start ping, if
- * one is not pending.
+ * STA has already been associated with MFP and SA
+ * Query timeout has not been reached. Reject the
+ * association attempt temporarily and start SA Query,
+ * if one is not pending.
*/
- if (sta->ping_count == 0)
- ap_sta_start_ping(hapd, sta);
+ if (sta->sa_query_count == 0)
+ ap_sta_start_sa_query(hapd, sta);
- resp = WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY;
- goto fail;
+ return WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY;
}
if (wpa_auth_uses_mfp(sta->wpa_sm))
"to use association (not "
"re-association) with FT auth_alg",
MAC2STR(sta->addr));
- resp = WLAN_STATUS_UNSPECIFIED_FAILURE;
- goto fail;
+ return WLAN_STATUS_UNSPECIFIED_FAILURE;
}
- resp = wpa_ft_validate_reassoc(sta->wpa_sm, pos, left);
+ resp = wpa_ft_validate_reassoc(sta->wpa_sm, ies,
+ ies_len);
if (resp != WLAN_STATUS_SUCCESS)
- goto fail;
+ return resp;
}
#endif /* CONFIG_IEEE80211R */
+
#ifdef CONFIG_IEEE80211N
if ((sta->flags & WLAN_STA_HT) &&
wpa_auth_get_pairwise(sta->wpa_sm) == WPA_CIPHER_TKIP) {
- wpa_printf(MSG_DEBUG, "HT: " MACSTR " tried to "
- "use TKIP with HT association",
- MAC2STR(sta->addr));
- resp = WLAN_STATUS_CIPHER_REJECTED_PER_POLICY;
- goto fail;
+ hostapd_logger(hapd, sta->addr,
+ HOSTAPD_MODULE_IEEE80211,
+ HOSTAPD_LEVEL_INFO,
+ "Station tried to use TKIP with HT "
+ "association");
+ return WLAN_STATUS_CIPHER_REJECTED_PER_POLICY;
}
#endif /* CONFIG_IEEE80211N */
} else
wpa_auth_sta_no_wpa(sta->wpa_sm);
+ return WLAN_STATUS_SUCCESS;
+}
+
+
+static void send_deauth(struct hostapd_data *hapd, const u8 *addr,
+ u16 reason_code)
+{
+ int send_len;
+ struct ieee80211_mgmt reply;
+
+ os_memset(&reply, 0, sizeof(reply));
+ reply.frame_control =
+ IEEE80211_FC(WLAN_FC_TYPE_MGMT, WLAN_FC_STYPE_DEAUTH);
+ os_memcpy(reply.da, addr, ETH_ALEN);
+ os_memcpy(reply.sa, hapd->own_addr, ETH_ALEN);
+ os_memcpy(reply.bssid, hapd->own_addr, ETH_ALEN);
+
+ send_len = IEEE80211_HDRLEN + sizeof(reply.u.deauth);
+ reply.u.deauth.reason_code = host_to_le16(reason_code);
+
+ if (hostapd_send_mgmt_frame(hapd, &reply, send_len) < 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, u8 *ies,
+ size_t ies_len)
+{
+ int send_len;
+ u8 buf[sizeof(struct ieee80211_mgmt) + 1024];
+ struct ieee80211_mgmt *reply;
+ u8 *p;
+
+ os_memset(buf, 0, sizeof(buf));
+ reply = (struct ieee80211_mgmt *) buf;
+ reply->frame_control =
+ IEEE80211_FC(WLAN_FC_TYPE_MGMT,
+ (reassoc ? WLAN_FC_STYPE_REASSOC_RESP :
+ WLAN_FC_STYPE_ASSOC_RESP));
+ os_memcpy(reply->da, sta->addr, ETH_ALEN);
+ os_memcpy(reply->sa, hapd->own_addr, ETH_ALEN);
+ os_memcpy(reply->bssid, hapd->own_addr, ETH_ALEN);
+
+ 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));
+ 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));
+ /* Supported rates */
+ p = hostapd_eid_supp_rates(hapd, reply->u.assoc_resp.variable);
+ /* Extended supported rates */
+ p = hostapd_eid_ext_supp_rates(hapd, p);
+ if (sta->flags & WLAN_STA_WMM)
+ p = hostapd_eid_wmm(hapd, p);
+
+#ifdef CONFIG_IEEE80211N
+ p = hostapd_eid_ht_capabilities(hapd, p);
+ p = hostapd_eid_ht_operation(hapd, p);
+#endif /* CONFIG_IEEE80211N */
+
+#ifdef CONFIG_IEEE80211R
+ if (status_code == WLAN_STATUS_SUCCESS) {
+ /* IEEE 802.11r: Mobility Domain Information, Fast BSS
+ * Transition Information, RSN, [RIC Response] */
+ p = wpa_sm_write_assoc_resp_ies(sta->wpa_sm, p,
+ buf + sizeof(buf) - p,
+ sta->auth_alg, ies, ies_len);
+ }
+#endif /* CONFIG_IEEE80211R */
+
+#ifdef CONFIG_IEEE80211W
+ if (status_code == WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY)
+ p = hostapd_eid_assoc_comeback_time(hapd, sta, p);
+#endif /* CONFIG_IEEE80211W */
+
+ send_len += p - reply->u.assoc_resp.variable;
+
+ if (hostapd_send_mgmt_frame(hapd, reply, send_len) < 0)
+ wpa_printf(MSG_INFO, "Failed to send assoc resp: %s",
+ strerror(errno));
+}
+
+
+static void handle_assoc(struct hostapd_data *hapd,
+ struct ieee80211_mgmt *mgmt, size_t len, int reassoc)
+{
+ u16 capab_info, listen_interval;
+ u16 resp = WLAN_STATUS_SUCCESS;
+ 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);
+ return;
+ }
+
+ 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,
+ MAC2STR(mgmt->sa), capab_info, listen_interval,
+ MAC2STR(mgmt->u.reassoc_req.current_ap));
+ left = len - (IEEE80211_HDRLEN + sizeof(mgmt->u.reassoc_req));
+ pos = mgmt->u.reassoc_req.variable;
+ } else {
+ capab_info = le_to_host16(mgmt->u.assoc_req.capab_info);
+ 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);
+ left = len - (IEEE80211_HDRLEN + sizeof(mgmt->u.assoc_req));
+ pos = mgmt->u.assoc_req.variable;
+ }
+
+ sta = ap_get_sta(hapd, mgmt->sa);
+#ifdef CONFIG_IEEE80211R
+ if (sta && sta->auth_alg == WLAN_AUTH_FT &&
+ (sta->flags & WLAN_STA_AUTH) == 0) {
+ wpa_printf(MSG_DEBUG, "FT: Allow STA " MACSTR " to associate "
+ "prior to authentication since it is using "
+ "over-the-DS FT", MAC2STR(mgmt->sa));
+ } else
+#endif /* CONFIG_IEEE80211R */
+ if (sta == NULL || (sta->flags & WLAN_STA_AUTH) == 0) {
+ hostapd_logger(hapd, mgmt->sa, HOSTAPD_MODULE_IEEE80211,
+ HOSTAPD_LEVEL_INFO, "Station tried to "
+ "associate before authentication "
+ "(aid=%d flags=0x%x)",
+ sta ? sta->aid : -1,
+ sta ? sta->flags : 0);
+ send_deauth(hapd, mgmt->sa,
+ WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA);
+ return;
+ }
+
+ if (hapd->tkip_countermeasures) {
+ resp = WLAN_REASON_MICHAEL_MIC_FAILURE;
+ goto fail;
+ }
+
+ if (listen_interval > hapd->conf->max_listen_interval) {
+ hostapd_logger(hapd, mgmt->sa, HOSTAPD_MODULE_IEEE80211,
+ HOSTAPD_LEVEL_DEBUG,
+ "Too large Listen Interval (%d)",
+ listen_interval);
+ resp = WLAN_STATUS_ASSOC_DENIED_LISTEN_INT_TOO_LARGE;
+ goto fail;
+ }
+
+ /* followed by SSID and Supported rates; and HT capabilities if 802.11n
+ * is used */
+ resp = check_assoc_ies(hapd, sta, pos, left, reassoc);
+ if (resp != WLAN_STATUS_SUCCESS)
+ goto fail;
+
+ if (hostapd_get_aid(hapd, sta) < 0) {
+ hostapd_logger(hapd, mgmt->sa, HOSTAPD_MODULE_IEEE80211,
+ HOSTAPD_LEVEL_INFO, "No room for more AIDs");
+ resp = WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA;
+ goto fail;
+ }
+
+ sta->capability = capab_info;
+ sta->listen_interval = listen_interval;
+
if (hapd->iface->current_mode->mode == HOSTAPD_MODE_IEEE80211G)
sta->flags |= WLAN_STA_NONERP;
for (i = 0; i < sta->supported_rates_len; i++) {
}
#ifdef CONFIG_IEEE80211N
- if (sta->flags & WLAN_STA_HT) {
- u16 ht_capab = le_to_host16(
- sta->ht_capabilities.data.capabilities_info);
- wpa_printf(MSG_DEBUG, "HT: STA " MACSTR " HT Capabilities "
- "Info: 0x%04x", MAC2STR(sta->addr), ht_capab);
- if ((ht_capab & HT_CAP_INFO_GREEN_FIELD) == 0) {
- if (!sta->no_ht_gf_set) {
- sta->no_ht_gf_set = 1;
- hapd->iface->num_sta_ht_no_gf++;
- }
- wpa_printf(MSG_DEBUG, "%s STA " MACSTR " - no "
- "greenfield, num of non-gf stations %d",
- __func__, MAC2STR(sta->addr),
- hapd->iface->num_sta_ht_no_gf);
- }
- if ((ht_capab & HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET) == 0) {
- if (!sta->ht_20mhz_set) {
- sta->ht_20mhz_set = 1;
- hapd->iface->num_sta_ht_20mhz++;
- }
- wpa_printf(MSG_DEBUG, "%s STA " MACSTR " - 20 MHz HT, "
- "num of 20MHz HT STAs %d",
- __func__, MAC2STR(sta->addr),
- hapd->iface->num_sta_ht_20mhz);
- }
- } else {
- if (!sta->no_ht_set) {
- sta->no_ht_set = 1;
- hapd->iface->num_sta_no_ht++;
- }
- if (hapd->iconf->ieee80211n) {
- wpa_printf(MSG_DEBUG, "%s STA " MACSTR
- " - no HT, num of non-HT stations %d",
- __func__, MAC2STR(sta->addr),
- hapd->iface->num_sta_no_ht);
- }
- }
-
- if (hostapd_ht_operation_update(hapd->iface) > 0)
- ieee802_11_set_beacons(hapd->iface);
+ update_ht_state(hapd, sta);
#endif /* CONFIG_IEEE80211N */
- /* get a unique AID */
- if (sta->aid > 0) {
- wpa_printf(MSG_DEBUG, " old AID %d", sta->aid);
- } else {
- for (sta->aid = 1; sta->aid <= MAX_AID_TABLE_SIZE; sta->aid++)
- if (hapd->sta_aid[sta->aid - 1] == NULL)
- break;
- if (sta->aid > MAX_AID_TABLE_SIZE) {
- sta->aid = 0;
- resp = WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA;
- wpa_printf(MSG_ERROR, " no room for more AIDs");
- goto fail;
- } else {
- hapd->sta_aid[sta->aid - 1] = sta;
- wpa_printf(MSG_DEBUG, " new AID %d", sta->aid);
- }
- }
-
hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
HOSTAPD_LEVEL_DEBUG,
"association OK (aid %d)", sta->aid);
/* Station will be marked associated, after it acknowledges AssocResp
*/
+#ifdef CONFIG_IEEE80211W
+ if ((sta->flags & WLAN_STA_MFP) && sta->sa_query_timed_out) {
+ wpa_printf(MSG_DEBUG, "Allowing %sassociation after timed out "
+ "SA Query procedure", reassoc ? "re" : "");
+ /* TODO: Send a protected Disassociate frame to the STA using
+ * the old key and Reason Code "Previous Authentication no
+ * longer valid". Make sure this is only sent protected since
+ * unprotected frame would be received by the STA that is now
+ * trying to associate.
+ */
+ }
+#endif /* CONFIG_IEEE80211W */
+
if (reassoc) {
os_memcpy(sta->previous_ap, mgmt->u.reassoc_req.current_ap,
ETH_ALEN);
sta->timeout_next = STA_NULLFUNC;
fail:
- os_memset(buf, 0, sizeof(buf));
- reply = (struct ieee80211_mgmt *) buf;
- reply->frame_control =
- IEEE80211_FC(WLAN_FC_TYPE_MGMT,
- (send_deauth ? WLAN_FC_STYPE_DEAUTH :
- (reassoc ? WLAN_FC_STYPE_REASSOC_RESP :
- WLAN_FC_STYPE_ASSOC_RESP)));
- os_memcpy(reply->da, mgmt->sa, ETH_ALEN);
- os_memcpy(reply->sa, hapd->own_addr, ETH_ALEN);
- os_memcpy(reply->bssid, mgmt->bssid, ETH_ALEN);
-
- send_len = IEEE80211_HDRLEN;
- if (send_deauth) {
- send_len += sizeof(reply->u.deauth);
- reply->u.deauth.reason_code = host_to_le16(resp);
- } else {
- u8 *p;
- send_len += sizeof(reply->u.assoc_resp);
- reply->u.assoc_resp.capab_info =
- host_to_le16(hostapd_own_capab_info(hapd, sta, 0));
- reply->u.assoc_resp.status_code = host_to_le16(resp);
- reply->u.assoc_resp.aid = host_to_le16((sta ? sta->aid : 0)
- | BIT(14) | BIT(15));
- /* Supported rates */
- p = hostapd_eid_supp_rates(hapd, reply->u.assoc_resp.variable);
- /* Extended supported rates */
- p = hostapd_eid_ext_supp_rates(hapd, p);
- if (sta->flags & WLAN_STA_WME)
- p = hostapd_eid_wme(hapd, p);
-
- p = hostapd_eid_ht_capabilities_info(hapd, p);
- p = hostapd_eid_ht_operation(hapd, p);
-
-#ifdef CONFIG_IEEE80211R
- if (resp == WLAN_STATUS_SUCCESS) {
- /* IEEE 802.11r: Mobility Domain Information, Fast BSS
- * Transition Information, RSN */
- p = wpa_sm_write_assoc_resp_ies(sta->wpa_sm, p,
- buf + sizeof(buf) - p,
- sta->auth_alg);
- }
-#endif /* CONFIG_IEEE80211R */
-
-#ifdef CONFIG_IEEE80211W
- if (resp == WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY)
- p = hostapd_eid_assoc_comeback_time(hapd, sta, p);
-#endif /* CONFIG_IEEE80211W */
-
- send_len += p - reply->u.assoc_resp.variable;
- }
-
- if (hostapd_send_mgmt_frame(hapd, reply, send_len, 0) < 0)
- perror("handle_assoc: send");
+ send_assoc_resp(hapd, sta, resp, reassoc, pos, left);
}
}
sta->flags &= ~WLAN_STA_ASSOC;
+ wpa_msg(hapd->msg_ctx, MSG_INFO, AP_STA_DISCONNECTED MACSTR,
+ MAC2STR(sta->addr));
wpa_auth_sm_event(sta->wpa_sm, WPA_DISASSOC);
hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
HOSTAPD_LEVEL_INFO, "disassociated");
}
sta->flags &= ~(WLAN_STA_AUTH | WLAN_STA_ASSOC);
+ wpa_msg(hapd->msg_ctx, MSG_INFO, AP_STA_DISCONNECTED MACSTR,
+ MAC2STR(sta->addr));
wpa_auth_sm_event(sta->wpa_sm, WPA_DEAUTH);
hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
HOSTAPD_LEVEL_DEBUG, "deauthenticated");
#ifdef CONFIG_IEEE80211W
-static void hostapd_ping_action(struct hostapd_data *hapd,
- struct ieee80211_mgmt *mgmt, size_t len)
+
+/* 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 (hostapd_send_mgmt_frame(hapd, &mgmt, end - (u8 *) &mgmt) < 0)
+ perror("ieee802_11_send_sa_query_req: send");
+}
+
+
+static void hostapd_sa_query_action(struct hostapd_data *hapd,
+ struct ieee80211_mgmt *mgmt, size_t len)
{
struct sta_info *sta;
u8 *end;
int i;
- end = mgmt->u.action.u.ping_resp.trans_id + WLAN_PING_TRANS_ID_LEN;
+ 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 Ping Action "
+ wpa_printf(MSG_DEBUG, "IEEE 802.11: Too short SA Query Action "
"frame (len=%lu)", (unsigned long) len);
return;
}
- if (mgmt->u.action.u.ping_resp.action != WLAN_PING_RESPONSE) {
- wpa_printf(MSG_DEBUG, "IEEE 802.11: Unexpected Ping Action %d",
- mgmt->u.action.u.ping_resp.action);
+ 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;
}
- /* MLME-PING.confirm */
+ 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->ping_trans_id == NULL) {
+ if (sta == NULL || sta->sa_query_trans_id == NULL) {
wpa_printf(MSG_DEBUG, "IEEE 802.11: No matching STA with "
- "pending ping request found");
+ "pending SA Query request found");
return;
}
- for (i = 0; i < sta->ping_count; i++) {
- if (os_memcmp(sta->ping_trans_id + i * WLAN_PING_TRANS_ID_LEN,
- mgmt->u.action.u.ping_resp.trans_id,
- WLAN_PING_TRANS_ID_LEN) == 0)
+ 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->ping_count) {
- wpa_printf(MSG_DEBUG, "IEEE 802.11: No matching ping "
+ if (i >= sta->sa_query_count) {
+ wpa_printf(MSG_DEBUG, "IEEE 802.11: No matching SA Query "
"transaction identifier found");
return;
}
hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
- HOSTAPD_LEVEL_DEBUG, "Reply to pending ping received");
- ap_sta_stop_ping(hapd, sta);
+ HOSTAPD_LEVEL_DEBUG,
+ "Reply to pending SA Query received");
+ ap_sta_stop_sa_query(hapd, sta);
+}
+
+
+static int robust_action_frame(u8 category)
+{
+ return category != WLAN_ACTION_PUBLIC &&
+ category != WLAN_ACTION_HT;
}
#endif /* CONFIG_IEEE80211W */
static void handle_action(struct hostapd_data *hapd,
struct ieee80211_mgmt *mgmt, size_t len)
{
+ struct sta_info *sta;
+
if (len < IEEE80211_HDRLEN + 1) {
hostapd_logger(hapd, mgmt->sa, HOSTAPD_MODULE_IEEE80211,
HOSTAPD_LEVEL_DEBUG,
return;
}
+ 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))) {
+ hostapd_logger(hapd, mgmt->sa, HOSTAPD_MODULE_IEEE80211,
+ HOSTAPD_LEVEL_DEBUG,
+ "Dropped unprotected Robust Action frame from "
+ "an MFP STA");
+ return;
+ }
+#endif /* CONFIG_IEEE80211W */
+
switch (mgmt->u.action.category) {
#ifdef CONFIG_IEEE80211R
case WLAN_ACTION_FT:
{
- struct sta_info *sta;
-
- sta = ap_get_sta(hapd, mgmt->sa);
if (sta == NULL || !(sta->flags & WLAN_STA_ASSOC)) {
wpa_printf(MSG_DEBUG, "IEEE 802.11: Ignored FT Action "
"frame from unassociated STA " MACSTR,
}
#endif /* CONFIG_IEEE80211R */
case WLAN_ACTION_WMM:
- hostapd_wme_action(hapd, mgmt, len);
+ hostapd_wmm_action(hapd, mgmt, len);
return;
#ifdef CONFIG_IEEE80211W
- case WLAN_ACTION_PING:
- hostapd_ping_action(hapd, mgmt, len);
+ case WLAN_ACTION_SA_QUERY:
+ hostapd_sa_query_action(hapd, mgmt, len);
return;
#endif /* CONFIG_IEEE80211W */
}
os_memcpy(mgmt->bssid, hapd->own_addr, ETH_ALEN);
mgmt->u.action.category |= 0x80;
- hostapd_send_mgmt_frame(hapd, mgmt, len, 0);
+ hostapd_send_mgmt_frame(hapd, mgmt, len);
}
}
* @buf: management frame data (starting from IEEE 802.11 header)
* @len: length of frame data in octets
* @stype: management frame subtype from frame control field
+ * @fi: meta data about received frame (signal level, etc.)
*
* Process all incoming IEEE 802.11 management frames. This will be called for
* each frame received from the kernel driver through wlan#ap interface. In
return;
}
- if (fi && fi->passive_scan)
- return;
-
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;
u16 status;
struct sta_info *sta;
int new_assoc = 1;
- struct ht_cap_ie *ht_cap = NULL;
+ struct ieee80211_ht_capabilities ht_cap;
+ int set_flags, total_flags, flags_and, flags_or;
if (!ok) {
hostapd_logger(hapd, mgmt->da, HOSTAPD_MODULE_IEEE80211,
if (sta->flags & WLAN_STA_ASSOC)
new_assoc = 0;
sta->flags |= WLAN_STA_ASSOC;
+ if (!hapd->conf->ieee802_1x && !hapd->conf->wpa) {
+ /* Open or static WEP; no separate authorization */
+ sta->flags |= WLAN_STA_AUTHORIZED;
+ wpa_msg(hapd->msg_ctx, MSG_INFO,
+ AP_STA_CONNECTED MACSTR, MAC2STR(sta->addr));
+ }
if (reassoc)
mlme_reassociate_indication(hapd, sta);
else
mlme_associate_indication(hapd, sta);
+#ifdef CONFIG_IEEE80211W
+ 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.
+ */
+ hostapd_sta_remove(hapd, sta->addr);
+
#ifdef CONFIG_IEEE80211N
if (sta->flags & WLAN_STA_HT)
- ht_cap = &sta->ht_capabilities;
+ hostapd_get_ht_capab(hapd, sta->ht_capabilities, &ht_cap);
#endif /* CONFIG_IEEE80211N */
-#ifdef CONFIG_IEEE80211W
- sta->ping_timed_out = 0;
-#endif /* CONFIG_IEEE80211W */
-
if (hostapd_sta_add(hapd->conf->iface, hapd, sta->addr, sta->aid,
sta->capability, sta->supported_rates,
- sta->supported_rates_len, 0, sta->listen_interval,
- ht_cap))
+ 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,
/* VLAN ID already set (e.g., by PMKSA caching), so bind STA */
ap_sta_bind_vlan(hapd, sta, 0);
}
- if (sta->flags & WLAN_STA_SHORT_PREAMBLE) {
- hostapd_sta_set_flags(hapd, sta->addr, sta->flags,
- WLAN_STA_SHORT_PREAMBLE, ~0);
- } else {
- hostapd_sta_set_flags(hapd, sta->addr, sta->flags,
- 0, ~WLAN_STA_SHORT_PREAMBLE);
- }
+
+ total_flags = hostapd_sta_flags_to_drv(sta->flags);
+ set_flags = WPA_STA_SHORT_PREAMBLE | WPA_STA_WMM | WPA_STA_MFP;
+ if (!hapd->conf->ieee802_1x && !hapd->conf->wpa &&
+ sta->flags & WLAN_STA_AUTHORIZED)
+ set_flags |= WPA_STA_AUTHORIZED;
+ flags_or = total_flags & set_flags;
+ flags_and = total_flags | ~set_flags;
+ hostapd_sta_set_flags(hapd, sta->addr, total_flags,
+ flags_or, flags_and);
if (sta->auth_alg == WLAN_AUTH_FT)
wpa_auth_sm_event(sta->wpa_sm, WPA_ASSOC_FT);
}
+/**
+ * ieee802_11_mgmt_cb - Process management frame TX status callback
+ * @hapd: hostapd BSS data structure (the BSS from which the management frame
+ * was sent from)
+ * @buf: management frame data (starting from IEEE 802.11 header)
+ * @len: length of frame data in octets
+ * @stype: management frame subtype from frame control field
+ * @ok: Whether the frame was ACK'ed
+ */
void ieee802_11_mgmt_cb(struct hostapd_data *hapd, u8 *buf, size_t len,
u16 stype, int ok)
{
}
-static void ieee80211_tkip_countermeasures_stop(void *eloop_ctx,
- void *timeout_ctx)
-{
- struct hostapd_data *hapd = eloop_ctx;
- hapd->tkip_countermeasures = 0;
- hostapd_set_countermeasures(hapd, 0);
- hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211,
- HOSTAPD_LEVEL_INFO, "TKIP countermeasures ended");
-}
-
-
-static void ieee80211_tkip_countermeasures_start(struct hostapd_data *hapd)
-{
- struct sta_info *sta;
-
- hostapd_logger(hapd, NULL, HOSTAPD_MODULE_IEEE80211,
- HOSTAPD_LEVEL_INFO, "TKIP countermeasures initiated");
-
- wpa_auth_countermeasures_start(hapd->wpa_auth);
- hapd->tkip_countermeasures = 1;
- hostapd_set_countermeasures(hapd, 1);
- wpa_gtk_rekey(hapd->wpa_auth);
- eloop_cancel_timeout(ieee80211_tkip_countermeasures_stop, hapd, NULL);
- eloop_register_timeout(60, 0, ieee80211_tkip_countermeasures_stop,
- hapd, NULL);
- for (sta = hapd->sta_list; sta != NULL; sta = sta->next) {
- hostapd_sta_deauth(hapd, sta->addr,
- WLAN_REASON_MICHAEL_MIC_FAILURE);
- sta->flags &= ~(WLAN_STA_AUTH | WLAN_STA_ASSOC |
- WLAN_STA_AUTHORIZED);
- hostapd_sta_remove(hapd, sta->addr);
- }
-}
-
-
-void ieee80211_michael_mic_failure(struct hostapd_data *hapd, const u8 *addr,
- int local)
-{
- time_t now;
-
- if (addr && local) {
- struct sta_info *sta = ap_get_sta(hapd, addr);
- if (sta != NULL) {
- wpa_auth_sta_local_mic_failure_report(sta->wpa_sm);
- hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211,
- HOSTAPD_LEVEL_INFO,
- "Michael MIC failure detected in "
- "received frame");
- mlme_michaelmicfailure_indication(hapd, addr);
- } else {
- wpa_printf(MSG_DEBUG,
- "MLME-MICHAELMICFAILURE.indication "
- "for not associated STA (" MACSTR
- ") ignored", MAC2STR(addr));
- return;
- }
- }
-
- time(&now);
- if (now > hapd->michael_mic_failure + 60) {
- hapd->michael_mic_failures = 1;
- } else {
- hapd->michael_mic_failures++;
- if (hapd->michael_mic_failures > 1)
- ieee80211_tkip_countermeasures_start(hapd);
- }
- hapd->michael_mic_failure = now;
-}
-
-
int ieee802_11_get_mib(struct hostapd_data *hapd, char *buf, size_t buflen)
{
/* TODO */
projects / libeap.git / blobdiff