#include "wme.h"
#include "ap_list.h"
#include "accounting.h"
-#include "driver.h"
-#include "ieee802_11h.h"
+#include "driver_i.h"
#include "mlme.h"
}
-#ifdef CONFIG_IEEE80211N
-
u8 * hostapd_eid_ht_capabilities_info(struct hostapd_data *hapd, u8 *eid)
{
+#ifdef CONFIG_IEEE80211N
+ struct ieee80211_ht_capability *cap;
u8 *pos = eid;
- os_memcpy(pos, &hapd->conf->ht_capabilities, sizeof(struct ht_cap_ie));
- pos += sizeof(struct ht_cap_ie);
+
+ 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;
- os_memcpy(pos, &hapd->conf->ht_operation,
- sizeof(struct ht_operation_ie));
- pos += sizeof(struct ht_operation_ie);
+
+ 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
*/
int hostapd_ht_operation_update(struct hostapd_iface *iface)
{
- struct ht_operation_ie *ht_operation;
- u16 operation_mode = 0;
u16 cur_op_mode, new_op_mode;
int op_mode_changes = 0;
- struct hostapd_data *hapd = iface->bss[0];
-
- /* TODO: should hapd pointer really be used here? This should most
- * likely be per radio, not per BSS.. */
- if (!hapd->conf->ieee80211n || hapd->conf->ht_op_mode_fixed)
+ if (!iface->conf->ieee80211n || iface->conf->ht_op_mode_fixed)
return 0;
- ht_operation = &hapd->conf->ht_operation;
- operation_mode = le_to_host16(ht_operation->data.operation_mode);
wpa_printf(MSG_DEBUG, "%s current operation mode=0x%X",
- __func__, operation_mode);
+ __func__, iface->ht_op_mode);
- if ((operation_mode & HT_INFO_OPERATION_MODE_NON_GF_DEVS_PRESENT) == 0
+ if (!(iface->ht_op_mode & HT_INFO_OPERATION_MODE_NON_GF_DEVS_PRESENT)
&& iface->num_sta_ht_no_gf) {
- operation_mode |= HT_INFO_OPERATION_MODE_NON_GF_DEVS_PRESENT;
+ iface->ht_op_mode |=
+ HT_INFO_OPERATION_MODE_NON_GF_DEVS_PRESENT;
op_mode_changes++;
- } else if ((operation_mode &
+ } else if ((iface->ht_op_mode &
HT_INFO_OPERATION_MODE_NON_GF_DEVS_PRESENT) &&
iface->num_sta_ht_no_gf == 0) {
- operation_mode &= ~HT_INFO_OPERATION_MODE_NON_GF_DEVS_PRESENT;
+ iface->ht_op_mode &=
+ ~HT_INFO_OPERATION_MODE_NON_GF_DEVS_PRESENT;
op_mode_changes++;
}
- if ((operation_mode & HT_INFO_OPERATION_MODE_NON_HT_STA_PRESENT) == 0
- && (iface->num_sta_no_ht || iface->olbc_ht)) {
- operation_mode |= HT_INFO_OPERATION_MODE_NON_HT_STA_PRESENT;
+ 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 ((operation_mode & HT_INFO_OPERATION_MODE_NON_HT_STA_PRESENT)
- && (iface->num_sta_no_ht == 0 && iface->olbc_ht == 0)) {
- operation_mode &= ~HT_INFO_OPERATION_MODE_NON_HT_STA_PRESENT;
+ } 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++;
}
*/
new_op_mode = 0;
if (iface->num_sta_no_ht ||
- (operation_mode & HT_INFO_OPERATION_MODE_NON_GF_DEVS_PRESENT))
+ (iface->ht_op_mode & HT_INFO_OPERATION_MODE_NON_GF_DEVS_PRESENT))
new_op_mode = OP_MODE_MIXED;
- else if ((hapd->conf->ht_capabilities.data.capabilities_info &
- HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET) &&
- iface->num_sta_ht_20mhz)
+ 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 = operation_mode & HT_INFO_OPERATION_MODE_OP_MODE_MASK;
+ cur_op_mode = iface->ht_op_mode & HT_INFO_OPERATION_MODE_OP_MODE_MASK;
if (cur_op_mode != new_op_mode) {
- operation_mode &= ~HT_INFO_OPERATION_MODE_OP_MODE_MASK;
- operation_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__, operation_mode, op_mode_changes);
- ht_operation->data.operation_mode = host_to_le16(operation_mode);
+ __func__, iface->ht_op_mode, op_mode_changes);
return op_mode_changes;
}
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_ASSOC_COMEBACK_TIME;
+ *pos++ = 4;
+ 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);
}
-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;
+ sta->listen_interval = listen_interval;
/* 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) {
+ 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;
/* 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 */
+ 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 =
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_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;
if (resp != WLAN_STATUS_SUCCESS)
goto fail;
#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);
+
+ resp = WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY;
+ goto fail;
+ }
+
if (wpa_auth_uses_mfp(sta->wpa_sm))
sta->flags |= WLAN_STA_MFP;
else
goto fail;
}
#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");
+#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;
}
- }
+#endif /* CONFIG_IEEE80211N */
+ } else
+ wpa_auth_sta_no_wpa(sta->wpa_sm);
if (hapd->iface->current_mode->mode == HOSTAPD_MODE_IEEE80211G)
sta->flags |= WLAN_STA_NONERP;
#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++;
+ 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 ((sta->ht_capabilities.data.capabilities_info &
- HT_CAP_INFO_SUPP_CHANNEL_WIDTH_SET) == 0) {
- hapd->iface->num_sta_ht_20mhz++;
+ 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 {
- hapd->iface->num_sta_no_ht++;
- if (hapd->conf->ieee80211n) {
+ 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),
/* 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);
+ }
+
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);
-#ifdef CONFIG_IEEE80211N
- if (hapd->conf->ieee80211n) {
- p = hostapd_eid_ht_capabilities_info(hapd, p);
- p = hostapd_eid_ht_operation(hapd, p);
- }
-#endif /* CONFIG_IEEE80211N */
+ p = hostapd_eid_ht_capabilities_info(hapd, p);
+ p = hostapd_eid_ht_operation(hapd, p);
#ifdef CONFIG_IEEE80211R
if (resp == WLAN_STATUS_SUCCESS) {
}
#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
+
+/* 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;
+
+ 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) < 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;
+ }
+
+ /* 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);
}
+#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_SA_QUERY:
+ hostapd_sa_query_action(hapd, mgmt, len);
+ return;
+#endif /* CONFIG_IEEE80211W */
}
hostapd_logger(hapd, mgmt->sa, HOSTAPD_MODULE_IEEE80211,
* @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
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);
/* 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;
ht_cap = &sta->ht_capabilities;
#endif /* CONFIG_IEEE80211N */
+#ifdef CONFIG_IEEE80211W
+ sta->sa_query_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,
}
+/**
+ * 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 */