/*
* hostapd / IEEE 802.11 Management
* Copyright (c) 2002-2008, Jouni Malinen <j@w1.fi>
+ * Copyright (c) 2007-2008, Intel Corporation
*
* 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 "ap_list.h"
#include "accounting.h"
#include "driver.h"
-#include "ieee802_11h.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->operation_mode = host_to_le16(hapd->iface->ht_op_mode);
+
+ 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)
{
hapd->iface->num_sta_no_short_slot_time == 0)
capab |= WLAN_CAPABILITY_SHORT_SLOT_TIME;
- if (hapd->iface->dfs_enable)
- capab |= WLAN_CAPABILITY_SPECTRUM_MGMT;
-
return capab;
}
-#define OUI_MICROSOFT 0x0050f2 /* Microsoft (also used in Wi-Fi specs)
- * 00:50:F2 */
-
-static int ieee802_11_parse_vendor_specific(struct hostapd_data *hapd,
- u8 *pos, size_t elen,
- struct ieee802_11_elems *elems,
- int show_errors)
-{
- unsigned int oui;
-
- /* first 3 bytes in vendor specific information element are the IEEE
- * OUI of the vendor. The following byte is used a vendor specific
- * sub-type. */
- if (elen < 4) {
- if (show_errors) {
- wpa_printf(MSG_MSGDUMP, "short vendor specific "
- "information element ignored (len=%lu)",
- (unsigned long) elen);
- }
- return -1;
- }
-
- oui = WPA_GET_BE24(pos);
- switch (oui) {
- case OUI_MICROSOFT:
- /* Microsoft/Wi-Fi information elements are further typed and
- * subtyped */
- switch (pos[3]) {
- case 1:
- /* Microsoft OUI (00:50:F2) with OUI Type 1:
- * real WPA information element */
- elems->wpa_ie = pos;
- elems->wpa_ie_len = elen;
- break;
- case WME_OUI_TYPE: /* this is a Wi-Fi WME info. element */
- if (elen < 5) {
- wpa_printf(MSG_MSGDUMP, "short WME "
- "information element ignored "
- "(len=%lu)",
- (unsigned long) elen);
- return -1;
- }
- switch (pos[4]) {
- case WME_OUI_SUBTYPE_INFORMATION_ELEMENT:
- case WME_OUI_SUBTYPE_PARAMETER_ELEMENT:
- elems->wme = pos;
- elems->wme_len = elen;
- break;
- case WME_OUI_SUBTYPE_TSPEC_ELEMENT:
- elems->wme_tspec = pos;
- elems->wme_tspec_len = elen;
- break;
- default:
- wpa_printf(MSG_MSGDUMP, "unknown WME "
- "information element ignored "
- "(subtype=%d len=%lu)",
- pos[4], (unsigned long) elen);
- return -1;
- }
- break;
- default:
- wpa_printf(MSG_MSGDUMP, "Unknown Microsoft "
- "information element ignored "
- "(type=%d len=%lu)\n",
- pos[3], (unsigned long) elen);
- return -1;
- }
- break;
-
- default:
- wpa_printf(MSG_MSGDUMP, "unknown vendor specific information "
- "element ignored (vendor OUI %02x:%02x:%02x "
- "len=%lu)",
- pos[0], pos[1], pos[2], (unsigned long) elen);
- return -1;
- }
-
- return 0;
-}
-
-
-ParseRes ieee802_11_parse_elems(struct hostapd_data *hapd, u8 *start,
- size_t len,
- struct ieee802_11_elems *elems,
- int show_errors)
+#ifdef CONFIG_IEEE80211W
+static u8 * hostapd_eid_assoc_comeback_time(struct hostapd_data *hapd,
+ struct sta_info *sta, u8 *eid)
{
- size_t left = len;
- u8 *pos = start;
- int unknown = 0;
-
- os_memset(elems, 0, sizeof(*elems));
-
- while (left >= 2) {
- u8 id, elen;
-
- id = *pos++;
- elen = *pos++;
- left -= 2;
-
- if (elen > left) {
- if (show_errors) {
- wpa_printf(MSG_DEBUG, "IEEE 802.11 element "
- "parse failed (id=%d elen=%d "
- "left=%lu)",
- id, elen, (unsigned long) left);
- wpa_hexdump(MSG_MSGDUMP, "IEs", start, len);
- }
- return ParseFailed;
- }
-
- switch (id) {
- case WLAN_EID_SSID:
- elems->ssid = pos;
- elems->ssid_len = elen;
- break;
- case WLAN_EID_SUPP_RATES:
- elems->supp_rates = pos;
- elems->supp_rates_len = elen;
- break;
- case WLAN_EID_FH_PARAMS:
- elems->fh_params = pos;
- elems->fh_params_len = elen;
- break;
- case WLAN_EID_DS_PARAMS:
- elems->ds_params = pos;
- elems->ds_params_len = elen;
- break;
- case WLAN_EID_CF_PARAMS:
- elems->cf_params = pos;
- elems->cf_params_len = elen;
- break;
- case WLAN_EID_TIM:
- elems->tim = pos;
- elems->tim_len = elen;
- break;
- case WLAN_EID_IBSS_PARAMS:
- elems->ibss_params = pos;
- elems->ibss_params_len = elen;
- break;
- case WLAN_EID_CHALLENGE:
- elems->challenge = pos;
- elems->challenge_len = elen;
- break;
- case WLAN_EID_ERP_INFO:
- elems->erp_info = pos;
- elems->erp_info_len = elen;
- break;
- case WLAN_EID_EXT_SUPP_RATES:
- elems->ext_supp_rates = pos;
- elems->ext_supp_rates_len = elen;
- break;
- case WLAN_EID_VENDOR_SPECIFIC:
- if (ieee802_11_parse_vendor_specific(hapd, pos, elen,
- elems,
- show_errors))
- unknown++;
- break;
- case WLAN_EID_RSN:
- elems->rsn_ie = pos;
- elems->rsn_ie_len = elen;
- break;
- case WLAN_EID_PWR_CAPABILITY:
- elems->power_cap = pos;
- elems->power_cap_len = elen;
- break;
- case WLAN_EID_SUPPORTED_CHANNELS:
- elems->supp_channels = pos;
- elems->supp_channels_len = elen;
- break;
- case WLAN_EID_MOBILITY_DOMAIN:
- elems->mdie = pos;
- elems->mdie_len = elen;
- break;
- case WLAN_EID_FAST_BSS_TRANSITION:
- elems->ftie = pos;
- elems->ftie_len = elen;
- break;
- default:
- unknown++;
- if (!show_errors)
- break;
- wpa_printf(MSG_MSGDUMP, "IEEE 802.11 element parse "
- "ignored unknown element (id=%d elen=%d)",
- id, elen);
- break;
- }
-
- left -= elen;
- pos += elen;
- }
+ u8 *pos = eid;
+ u32 timeout;
- if (left)
- return ParseFailed;
+ *pos++ = WLAN_EID_ASSOC_COMEBACK_TIME;
+ *pos++ = 4;
+ timeout = (hapd->conf->assoc_ping_attempts - sta->ping_count + 1) *
+ hapd->conf->assoc_ping_timeout;
+ WPA_PUT_LE32(pos, timeout);
+ pos += 4;
- return unknown ? ParseUnknown : ParseOK;
+ return pos;
}
+#endif /* CONFIG_IEEE80211W */
void ieee802_11_print_ssid(char *buf, const u8 *ssid, u8 len)
void ieee802_11_send_deauth(struct hostapd_data *hapd, u8 *addr, u16 reason)
{
struct ieee80211_mgmt mgmt;
- char buf[30];
hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211,
HOSTAPD_LEVEL_DEBUG,
"deauthenticate - reason %d", reason);
- os_snprintf(buf, sizeof(buf), "SEND-DEAUTHENTICATE %d", reason);
os_memset(&mgmt, 0, sizeof(mgmt));
mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
WLAN_FC_STYPE_DEAUTH);
}
-static void ieee802_11_sta_authenticate(void *eloop_ctx, void *timeout_ctx)
-{
- struct hostapd_data *hapd = eloop_ctx;
- struct ieee80211_mgmt mgmt;
- char ssid_txt[33];
-
- if (hapd->assoc_ap_state == WAIT_BEACON)
- hapd->assoc_ap_state = AUTHENTICATE;
- if (hapd->assoc_ap_state != AUTHENTICATE)
- return;
-
- ieee802_11_print_ssid(ssid_txt, (u8 *) hapd->assoc_ap_ssid,
- hapd->assoc_ap_ssid_len);
- printf("Authenticate with AP " MACSTR " SSID=%s (as station)\n",
- MAC2STR(hapd->conf->assoc_ap_addr), ssid_txt);
-
- os_memset(&mgmt, 0, sizeof(mgmt));
- mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
- WLAN_FC_STYPE_AUTH);
- /* Request TX callback */
- mgmt.frame_control |= host_to_le16(BIT(1));
- os_memcpy(mgmt.da, hapd->conf->assoc_ap_addr, ETH_ALEN);
- os_memcpy(mgmt.sa, hapd->own_addr, ETH_ALEN);
- os_memcpy(mgmt.bssid, hapd->conf->assoc_ap_addr, ETH_ALEN);
- mgmt.u.auth.auth_alg = host_to_le16(WLAN_AUTH_OPEN);
- mgmt.u.auth.auth_transaction = host_to_le16(1);
- mgmt.u.auth.status_code = host_to_le16(0);
- if (hostapd_send_mgmt_frame(hapd, &mgmt, IEEE80211_HDRLEN +
- sizeof(mgmt.u.auth), 0) < 0)
- perror("ieee802_11_sta_authenticate: send");
-
- /* Try to authenticate again, if this attempt fails or times out. */
- eloop_register_timeout(5, 0, ieee802_11_sta_authenticate, hapd, NULL);
-}
-
-
-static void ieee802_11_sta_associate(void *eloop_ctx, void *timeout_ctx)
-{
- struct hostapd_data *hapd = eloop_ctx;
- u8 buf[256];
- struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *) buf;
- u8 *p;
- char ssid_txt[33];
-
- if (hapd->assoc_ap_state == AUTHENTICATE)
- hapd->assoc_ap_state = ASSOCIATE;
- if (hapd->assoc_ap_state != ASSOCIATE)
- return;
-
- ieee802_11_print_ssid(ssid_txt, (u8 *) hapd->assoc_ap_ssid,
- hapd->assoc_ap_ssid_len);
- printf("Associate with AP " MACSTR " SSID=%s (as station)\n",
- MAC2STR(hapd->conf->assoc_ap_addr), ssid_txt);
-
- os_memset(mgmt, 0, sizeof(*mgmt));
- mgmt->frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
- WLAN_FC_STYPE_ASSOC_REQ);
- /* Request TX callback */
- mgmt->frame_control |= host_to_le16(BIT(1));
- os_memcpy(mgmt->da, hapd->conf->assoc_ap_addr, ETH_ALEN);
- os_memcpy(mgmt->sa, hapd->own_addr, ETH_ALEN);
- os_memcpy(mgmt->bssid, hapd->conf->assoc_ap_addr, ETH_ALEN);
- mgmt->u.assoc_req.capab_info = host_to_le16(0);
- mgmt->u.assoc_req.listen_interval = host_to_le16(1);
- p = &mgmt->u.assoc_req.variable[0];
-
- *p++ = WLAN_EID_SSID;
- *p++ = hapd->assoc_ap_ssid_len;
- os_memcpy(p, hapd->assoc_ap_ssid, hapd->assoc_ap_ssid_len);
- p += hapd->assoc_ap_ssid_len;
-
- p = hostapd_eid_supp_rates(hapd, p);
- p = hostapd_eid_ext_supp_rates(hapd, p);
-
- if (hostapd_send_mgmt_frame(hapd, mgmt, p - (u8 *) mgmt, 0) < 0)
- perror("ieee802_11_sta_associate: send");
-
- /* Try to authenticate again, if this attempt fails or times out. */
- eloop_register_timeout(5, 0, ieee802_11_sta_associate, hapd, NULL);
-}
-
-
static u16 auth_shared_key(struct hostapd_data *hapd, struct sta_info *sta,
u16 auth_transaction, u8 *challenge, int iswep)
{
reply = (struct ieee80211_mgmt *) buf;
reply->frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
WLAN_FC_STYPE_AUTH);
- /* Request TX callback */
- reply->frame_control |= host_to_le16(BIT(1));
os_memcpy(reply->da, dst, ETH_ALEN);
os_memcpy(reply->sa, hapd->own_addr, ETH_ALEN);
os_memcpy(reply->bssid, bssid, ETH_ALEN);
status_code, !!(fc & WLAN_FC_ISWEP),
challenge ? " challenge" : "");
- if (hapd->assoc_ap_state == AUTHENTICATE && auth_transaction == 2 &&
- os_memcmp(mgmt->sa, hapd->conf->assoc_ap_addr, ETH_ALEN) == 0 &&
- os_memcmp(mgmt->bssid, hapd->conf->assoc_ap_addr, ETH_ALEN) == 0) {
- if (status_code != 0) {
- printf("Authentication (as station) with AP "
- MACSTR " failed (status_code=%d)\n",
- MAC2STR(hapd->conf->assoc_ap_addr),
- status_code);
- return;
- }
- printf("Authenticated (as station) with AP " MACSTR "\n",
- MAC2STR(hapd->conf->assoc_ap_addr));
- ieee802_11_sta_associate(hapd, NULL);
- return;
- }
-
if (hapd->tkip_countermeasures) {
resp = WLAN_REASON_MICHAEL_MIC_FAILURE;
goto fail;
goto fail;
}
- if (reassoc) {
- os_memcpy(sta->previous_ap, mgmt->u.reassoc_req.current_ap,
- ETH_ALEN);
- }
-
sta->capability = capab_info;
- /* followed by SSID and Supported rates */
- if (ieee802_11_parse_elems(hapd, pos, left, &elems, 1) == ParseFailed
- || !elems.ssid) {
+ /* 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;
sta->supported_rates_len += elems.ext_supp_rates_len;
}
+#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_WME)) {
+ /* note: without WMM capability, treat the sta as non-HT */
+ 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;
+#endif /* CONFIG_IEEE80211N */
+
if ((hapd->conf->wpa & WPA_PROTO_RSN) && elems.rsn_ie) {
wpa_ie = elems.rsn_ie;
wpa_ie_len = elems.rsn_ie_len;
resp = WLAN_STATUS_INVALID_IE;
if (resp != WLAN_STATUS_SUCCESS)
goto fail;
+#ifdef CONFIG_IEEE80211W
+ if ((sta->flags & WLAN_STA_MFP) && !sta->ping_timed_out) {
+ /*
+ * 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.
+ */
+
+ if (sta->ping_count == 0)
+ ap_sta_start_ping(hapd, sta);
+
+ resp = WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY;
+ goto fail;
+ }
+
+ if (wpa_auth_uses_mfp(sta->wpa_sm))
+ sta->flags |= WLAN_STA_MFP;
+ else
+ sta->flags &= ~WLAN_STA_MFP;
+#endif /* CONFIG_IEEE80211W */
#ifdef CONFIG_IEEE80211R
if (sta->auth_alg == WLAN_AUTH_FT) {
#endif /* CONFIG_IEEE80211R */
}
- if (hapd->iface->dfs_enable &&
- hapd->iconf->ieee80211h == SPECT_STRICT_BINDING) {
- if (hostapd_check_power_cap(hapd, elems.power_cap,
- elems.power_cap_len)) {
- resp = WLAN_STATUS_PWR_CAPABILITY_NOT_VALID;
- hostapd_logger(hapd, sta->addr,
- HOSTAPD_MODULE_IEEE80211,
- HOSTAPD_LEVEL_DEBUG,
- "Power capabilities of the station not "
- "acceptable");
- goto fail;
- }
- }
-
if (hapd->iface->current_mode->mode == HOSTAPD_MODE_IEEE80211G)
sta->flags |= WLAN_STA_NONERP;
for (i = 0; i < sta->supported_rates_len; i++) {
ieee802_11_set_beacons(hapd->iface);
}
+#ifdef CONFIG_IEEE80211N
+ if (sta->flags & WLAN_STA_HT) {
+ if ((sta->ht_capabilities.data.capabilities_info &
+ HT_CAP_INFO_GREEN_FIELD) == 0) {
+ 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 ((sta->ht_capabilities.data.capabilities_info &
+ HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET) == 0) {
+ 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 {
+ 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);
+#endif /* CONFIG_IEEE80211N */
+
/* get a unique AID */
if (sta->aid > 0) {
wpa_printf(MSG_DEBUG, " old AID %d", sta->aid);
/* Station will be marked associated, after it acknowledges AssocResp
*/
+ 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->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
}
#endif /* CONFIG_IEEE80211R */
- send_len += p - reply->u.assoc_resp.variable;
+#ifdef CONFIG_IEEE80211W
+ if (resp == WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY)
+ p = hostapd_eid_assoc_comeback_time(hapd, sta, p);
+#endif /* CONFIG_IEEE80211W */
- /* Request TX callback */
- reply->frame_control |= host_to_le16(BIT(1));
+ send_len += p - reply->u.assoc_resp.variable;
}
if (hostapd_send_mgmt_frame(hapd, reply, send_len, 0) < 0)
}
-static void handle_assoc_resp(struct hostapd_data *hapd,
- struct ieee80211_mgmt *mgmt, size_t len)
-{
- u16 status_code, aid;
-
- if (hapd->assoc_ap_state != ASSOCIATE) {
- printf("Unexpected association response received from " MACSTR
- "\n", MAC2STR(mgmt->sa));
- return;
- }
-
- if (len < IEEE80211_HDRLEN + sizeof(mgmt->u.assoc_resp)) {
- printf("handle_assoc_resp - too short payload (len=%lu)\n",
- (unsigned long) len);
- return;
- }
-
- if (os_memcmp(mgmt->sa, hapd->conf->assoc_ap_addr, ETH_ALEN) != 0 ||
- os_memcmp(mgmt->bssid, hapd->conf->assoc_ap_addr, ETH_ALEN) != 0) {
- printf("Received association response from unexpected address "
- "(SA=" MACSTR " BSSID=" MACSTR "\n",
- MAC2STR(mgmt->sa), MAC2STR(mgmt->bssid));
- return;
- }
-
- status_code = le_to_host16(mgmt->u.assoc_resp.status_code);
- aid = le_to_host16(mgmt->u.assoc_resp.aid);
- aid &= ~(BIT(14) | BIT(15));
-
- if (status_code != 0) {
- printf("Association (as station) with AP " MACSTR " failed "
- "(status_code=%d)\n",
- MAC2STR(hapd->conf->assoc_ap_addr), status_code);
- /* Try to authenticate again */
- hapd->assoc_ap_state = AUTHENTICATE;
- eloop_register_timeout(5, 0, ieee802_11_sta_authenticate,
- hapd, NULL);
- }
-
- printf("Associated (as station) with AP " MACSTR " (aid=%d)\n",
- MAC2STR(hapd->conf->assoc_ap_addr), aid);
- hapd->assoc_ap_aid = aid;
- hapd->assoc_ap_state = ASSOCIATED;
-
- if (hostapd_set_assoc_ap(hapd, hapd->conf->assoc_ap_addr)) {
- printf("Could not set associated AP address to kernel "
- "driver.\n");
- }
-}
-
-
static void handle_disassoc(struct hostapd_data *hapd,
struct ieee80211_mgmt *mgmt, size_t len)
{
MAC2STR(mgmt->sa),
le_to_host16(mgmt->u.disassoc.reason_code));
- if (hapd->assoc_ap_state != DO_NOT_ASSOC &&
- os_memcmp(mgmt->sa, hapd->conf->assoc_ap_addr, ETH_ALEN) == 0) {
- printf("Assoc AP " MACSTR " sent disassociation "
- "(reason_code=%d) - try to authenticate\n",
- MAC2STR(hapd->conf->assoc_ap_addr),
- le_to_host16(mgmt->u.disassoc.reason_code));
- hapd->assoc_ap_state = AUTHENTICATE;
- ieee802_11_sta_authenticate(hapd, NULL);
- eloop_register_timeout(0, 500000, ieee802_11_sta_authenticate,
- hapd, NULL);
- return;
- }
-
sta = ap_get_sta(hapd, mgmt->sa);
if (sta == NULL) {
printf("Station " MACSTR " trying to disassociate, but it "
MAC2STR(mgmt->sa),
le_to_host16(mgmt->u.deauth.reason_code));
- if (hapd->assoc_ap_state != DO_NOT_ASSOC &&
- os_memcmp(mgmt->sa, hapd->conf->assoc_ap_addr, ETH_ALEN) == 0) {
- printf("Assoc AP " MACSTR " sent deauthentication "
- "(reason_code=%d) - try to authenticate\n",
- MAC2STR(hapd->conf->assoc_ap_addr),
- le_to_host16(mgmt->u.deauth.reason_code));
- hapd->assoc_ap_state = AUTHENTICATE;
- eloop_register_timeout(0, 500000, ieee802_11_sta_authenticate,
- hapd, NULL);
- return;
- }
-
sta = ap_get_sta(hapd, mgmt->sa);
if (sta == NULL) {
printf("Station " MACSTR " trying to deauthenticate, but it "
return;
}
- (void) ieee802_11_parse_elems(hapd, mgmt->u.beacon.variable,
+ (void) ieee802_11_parse_elems(mgmt->u.beacon.variable,
len - (IEEE80211_HDRLEN +
sizeof(mgmt->u.beacon)), &elems,
0);
- if (hapd->assoc_ap_state == WAIT_BEACON &&
- os_memcmp(mgmt->sa, hapd->conf->assoc_ap_addr, ETH_ALEN) == 0) {
- if (elems.ssid && elems.ssid_len <= 32) {
- os_memcpy(hapd->assoc_ap_ssid, elems.ssid,
- elems.ssid_len);
- hapd->assoc_ap_ssid[elems.ssid_len] = '\0';
- hapd->assoc_ap_ssid_len = elems.ssid_len;
- }
- ieee802_11_sta_authenticate(hapd, NULL);
+ ap_list_process_beacon(hapd->iface, mgmt, &elems, fi);
+}
+
+
+#ifdef CONFIG_IEEE80211W
+static void hostapd_ping_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;
+ if (((u8 *) mgmt) + len < end) {
+ wpa_printf(MSG_DEBUG, "IEEE 802.11: Too short Ping Action "
+ "frame (len=%lu)", (unsigned long) len);
+ return;
}
- ap_list_process_beacon(hapd->iface, mgmt, &elems, fi);
+ 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);
+ return;
+ }
+
+ /* MLME-PING.confirm */
+
+ sta = ap_get_sta(hapd, mgmt->sa);
+ if (sta == NULL || sta->ping_trans_id == NULL) {
+ wpa_printf(MSG_DEBUG, "IEEE 802.11: No matching STA with "
+ "pending ping 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)
+ break;
+ }
+
+ if (i >= sta->ping_count) {
+ wpa_printf(MSG_DEBUG, "IEEE 802.11: No matching ping "
+ "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);
}
+#endif /* CONFIG_IEEE80211W */
static void handle_action(struct hostapd_data *hapd,
return;
}
#endif /* CONFIG_IEEE80211R */
- case WME_ACTION_CATEGORY:
+ case WLAN_ACTION_WMM:
hostapd_wme_action(hapd, mgmt, len);
return;
+#ifdef CONFIG_IEEE80211W
+ case WLAN_ACTION_PING:
+ hostapd_ping_action(hapd, mgmt, len);
+ return;
+#endif /* CONFIG_IEEE80211W */
}
hostapd_logger(hapd, mgmt->sa, HOSTAPD_MODULE_IEEE80211,
mgmt->bssid[4] == 0xff && mgmt->bssid[5] == 0xff;
if (!broadcast &&
- os_memcmp(mgmt->bssid, hapd->own_addr, ETH_ALEN) != 0 &&
- (hapd->assoc_ap_state == DO_NOT_ASSOC ||
- os_memcmp(mgmt->bssid, hapd->conf->assoc_ap_addr, ETH_ALEN) != 0))
- {
+ 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_DEBUG, "mgmt::assoc_req");
handle_assoc(hapd, mgmt, len, 0);
break;
- case WLAN_FC_STYPE_ASSOC_RESP:
- wpa_printf(MSG_DEBUG, "mgmt::assoc_resp");
- handle_assoc_resp(hapd, mgmt, len);
- break;
case WLAN_FC_STYPE_REASSOC_REQ:
wpa_printf(MSG_DEBUG, "mgmt::reassoc_req");
handle_assoc(hapd, mgmt, len, 1);
u16 status;
struct sta_info *sta;
int new_assoc = 1;
+ struct ht_cap_ie *ht_cap = NULL;
if (!ok) {
hostapd_logger(hapd, mgmt->da, HOSTAPD_MODULE_IEEE80211,
else
mlme_associate_indication(hapd, sta);
+#ifdef CONFIG_IEEE80211N
+ if (sta->flags & WLAN_STA_HT)
+ ht_cap = &sta->ht_capabilities;
+#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))
+ sta->supported_rates_len, 0, sta->listen_interval,
+ ht_cap))
{
hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
HOSTAPD_LEVEL_NOTICE,
case WLAN_FC_STYPE_DEAUTH:
/* ignore */
break;
+ case WLAN_FC_STYPE_ACTION:
+ wpa_printf(MSG_DEBUG, "mgmt::action cb");
+ break;
default:
printf("unknown mgmt cb frame subtype %d\n", stype);
break;
projects / libeap.git / blobdiff