/*
* 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 "ieee802_11h.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->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;
- case WLAN_EID_HT_CAP:
- elems->ht_capabilities = pos;
- elems->ht_capabilities_len = elen;
- break;
- case WLAN_EID_HT_OPERATION:
- elems->ht_operation = pos;
- elems->ht_operation_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;
- }
-
- if (left)
- return ParseFailed;
+ 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 unknown ? ParseUnknown : ParseOK;
+ return pos;
}
+#endif /* CONFIG_IEEE80211W */
void ieee802_11_print_ssid(char *buf, const u8 *ssid, u8 len)
}
+/**
+ * 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;
- 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);
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");
}
-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)
{
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;
}
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);
" 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);
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;
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;
-
- 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;
- }
+ int i, j = 32, aid;
- 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;
- /* followed by SSID and Supported rates; and HT capabilities if 802.11n
- * is used */
- if (ieee802_11_parse_elems(hapd, 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;
}
-#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 */
+ return WLAN_STATUS_SUCCESS;
+}
- if ((hapd->conf->wpa & WPA_PROTO_RSN) && elems.rsn_ie) {
- wpa_ie = elems.rsn_ie;
- wpa_ie_len = elems.rsn_ie_len;
- } else if ((hapd->conf->wpa & WPA_PROTO_WPA) &&
- elems.wpa_ie) {
- wpa_ie = elems.wpa_ie;
+
+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
+ 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 = elems.rsn_ie;
+ wpa_ie_len = elems.rsn_ie_len;
+ } else if ((hapd->conf->wpa & WPA_PROTO_WPA) &&
+ elems.wpa_ie) {
+ wpa_ie = elems.wpa_ie;
wpa_ie_len = elems.wpa_ie_len;
} else {
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) {
+ if (elems.wps_ie) {
+ wpa_printf(MSG_DEBUG, "STA included WPS IE in "
+ "(Re)Association Request - assume WPS is "
+ "used");
+ sta->flags |= WLAN_STA_WPS;
+ wpabuf_free(sta->wps_ie);
+ sta->wps_ie = wpabuf_alloc_copy(elems.wps_ie + 4,
+ elems.wps_ie_len - 4);
+ } else {
+ wpa_printf(MSG_DEBUG, "STA did not include WPA/RSN IE "
+ "in (Re)Association Request - possible WPS "
+ "use");
+ sta->flags |= WLAN_STA_MAYBE_WPS;
+ }
+ } 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->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 SA
+ * Query timeout has not been reached. Reject the
+ * association attempt temporarily and start SA Query,
+ * if one is not pending.
+ */
+
+ if (sta->sa_query_count == 0)
+ ap_sta_start_sa_query(hapd, sta);
+
+ return WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY;
+ }
+
if (wpa_auth_uses_mfp(sta->wpa_sm))
sta->flags |= WLAN_STA_MFP;
else
"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 */
- }
- 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;
+#ifdef CONFIG_IEEE80211N
+ if ((sta->flags & WLAN_STA_HT) &&
+ wpa_auth_get_pairwise(sta->wpa_sm) == WPA_CIPHER_TKIP) {
hostapd_logger(hapd, sta->addr,
HOSTAPD_MODULE_IEEE80211,
- HOSTAPD_LEVEL_DEBUG,
- "Power capabilities of the station not "
- "acceptable");
- goto fail;
+ 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) {
- 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);
+ 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 */
-
- send_len += p - reply->u.assoc_resp.variable;
-
- /* Request TX callback */
- reply->frame_control |= host_to_le16(BIT(1));
- }
-
- if (hostapd_send_mgmt_frame(hapd, reply, send_len, 0) < 0)
- perror("handle_assoc: send");
-}
-
-
-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");
- }
+ send_assoc_resp(hapd, sta, resp, reassoc, pos, left);
}
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 "
}
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");
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 "
}
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");
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
+
+/* 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.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;
}
- ap_list_process_beacon(hapd->iface, mgmt, &elems, fi);
+ 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;
+ }
+
+ hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
+ 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,
return;
}
#endif /* CONFIG_IEEE80211R */
- case WME_ACTION_CATEGORY:
- hostapd_wme_action(hapd, mgmt, len);
+ case WLAN_ACTION_WMM:
+ hostapd_wmm_action(hapd, mgmt, len);
return;
+#ifdef CONFIG_IEEE80211W
+ case WLAN_ACTION_SA_QUERY:
+ hostapd_sa_query_action(hapd, mgmt, len);
+ return;
+#endif /* CONFIG_IEEE80211W */
}
hostapd_logger(hapd, mgmt->sa, HOSTAPD_MODULE_IEEE80211,
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;
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;
+ 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,
/* Stop previous accounting session, if one is started, and allocate
* new session id for the new session. */
accounting_sta_stop(hapd, sta);
- accounting_sta_get_id(hapd, sta);
hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
HOSTAPD_LEVEL_INFO,
- "associated (aid %d, accounting session %08X-%08X)",
- sta->aid, sta->acct_session_id_hi,
- sta->acct_session_id_lo);
+ "associated (aid %d)",
+ sta->aid);
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 */
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)
{
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;
}
-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