#include "radius/radius_client.h"
#include "p2p/p2p.h"
#include "wps/wps.h"
+#include "fst/fst.h"
#include "hostapd.h"
#include "beacon.h"
#include "ieee802_11_auth.h"
#include "p2p_hostapd.h"
#include "ap_drv_ops.h"
#include "wnm_ap.h"
+#include "hw_features.h"
#include "ieee802_11.h"
#include "dfs.h"
}
-u16 hostapd_own_capab_info(struct hostapd_data *hapd, struct sta_info *sta,
- int probe)
+u16 hostapd_own_capab_info(struct hostapd_data *hapd)
{
int capab = WLAN_CAPABILITY_ESS;
int privacy;
privacy = 1;
#endif /* CONFIG_HS20 */
- if (sta) {
- int policy, def_klen;
- if (probe && sta->ssid_probe) {
- policy = sta->ssid_probe->security_policy;
- def_klen = sta->ssid_probe->wep.default_len;
- } else {
- policy = sta->ssid->security_policy;
- def_klen = sta->ssid->wep.default_len;
- }
- privacy = policy != SECURITY_PLAINTEXT;
- if (policy == SECURITY_IEEE_802_1X && def_klen == 0)
- privacy = 0;
- }
-
if (privacy)
capab |= WLAN_CAPABILITY_PRIVACY;
(hapd->iconf->spectrum_mgmt_required || dfs))
capab |= WLAN_CAPABILITY_SPECTRUM_MGMT;
+ if (hapd->conf->radio_measurements)
+ capab |= IEEE80211_CAP_RRM;
+
return capab;
}
+#ifndef CONFIG_NO_RC4
static u16 auth_shared_key(struct hostapd_data *hapd, struct sta_info *sta,
u16 auth_transaction, const u8 *challenge,
int iswep)
return 0;
}
+#endif /* CONFIG_NO_RC4 */
static void send_auth_reply(struct hostapd_data *hapd,
#ifdef CONFIG_SAE
+#define dot11RSNASAESync 5 /* attempts */
+
+
static struct wpabuf * auth_build_sae_commit(struct hostapd_data *hapd,
struct sta_info *sta, int update)
{
static struct wpabuf * auth_build_token_req(struct hostapd_data *hapd,
- const u8 *addr)
+ int group, const u8 *addr)
{
struct wpabuf *buf;
u8 *token;
hapd->last_sae_token_key_update = now;
}
- buf = wpabuf_alloc(SHA256_MAC_LEN);
+ buf = wpabuf_alloc(sizeof(le16) + SHA256_MAC_LEN);
if (buf == NULL)
return NULL;
+ wpabuf_put_le16(buf, group); /* Finite Cyclic Group */
+
token = wpabuf_put(buf, SHA256_MAC_LEN);
hmac_sha256(hapd->sae_token_key, sizeof(hapd->sae_token_key),
addr, ETH_ALEN, token);
}
+static int sae_check_big_sync(struct sta_info *sta)
+{
+ if (sta->sae->sync > dot11RSNASAESync) {
+ sta->sae->state = SAE_NOTHING;
+ sta->sae->sync = 0;
+ return -1;
+ }
+ return 0;
+}
+
+
+static void auth_sae_retransmit_timer(void *eloop_ctx, void *eloop_data)
+{
+ struct hostapd_data *hapd = eloop_ctx;
+ struct sta_info *sta = eloop_data;
+ int ret;
+
+ if (sae_check_big_sync(sta))
+ return;
+ sta->sae->sync++;
+
+ switch (sta->sae->state) {
+ case SAE_COMMITTED:
+ ret = auth_sae_send_commit(hapd, sta, hapd->own_addr, 0);
+ eloop_register_timeout(0,
+ hapd->dot11RSNASAERetransPeriod * 1000,
+ auth_sae_retransmit_timer, hapd, sta);
+ break;
+ case SAE_CONFIRMED:
+ ret = auth_sae_send_confirm(hapd, sta, hapd->own_addr);
+ eloop_register_timeout(0,
+ hapd->dot11RSNASAERetransPeriod * 1000,
+ auth_sae_retransmit_timer, hapd, sta);
+ break;
+ default:
+ ret = -1;
+ break;
+ }
+
+ if (ret != WLAN_STATUS_SUCCESS)
+ wpa_printf(MSG_INFO, "SAE: Failed to retransmit: ret=%d", ret);
+}
+
+
+void sae_clear_retransmit_timer(struct hostapd_data *hapd, struct sta_info *sta)
+{
+ eloop_cancel_timeout(auth_sae_retransmit_timer, hapd, sta);
+}
+
+
+static void sae_set_retransmit_timer(struct hostapd_data *hapd,
+ struct sta_info *sta)
+{
+ if (!(hapd->conf->mesh & MESH_ENABLED))
+ return;
+
+ eloop_cancel_timeout(auth_sae_retransmit_timer, hapd, sta);
+ eloop_register_timeout(0, hapd->dot11RSNASAERetransPeriod * 1000,
+ auth_sae_retransmit_timer, hapd, sta);
+}
+
+
static int sae_sm_step(struct hostapd_data *hapd, struct sta_info *sta,
const u8 *bssid, u8 auth_transaction)
{
* when receiving Confirm from STA.
*/
}
+ sta->sae->sync = 0;
+ sae_set_retransmit_timer(hapd, sta);
} else {
hostapd_logger(hapd, sta->addr,
HOSTAPD_MODULE_IEEE80211,
}
break;
case SAE_COMMITTED:
+ sae_clear_retransmit_timer(hapd, sta);
if (auth_transaction == 1) {
if (sae_process_commit(sta->sae) < 0)
return WLAN_STATUS_UNSPECIFIED_FAILURE;
if (ret)
return ret;
sta->sae->state = SAE_CONFIRMED;
+ sta->sae->sync = 0;
+ sae_set_retransmit_timer(hapd, sta);
} else if (hapd->conf->mesh & MESH_ENABLED) {
/*
* In mesh case, follow SAE finite state machine and
- * send Commit now.
+ * send Commit now, if sync count allows.
*/
- ret = auth_sae_send_commit(hapd, sta, bssid, 1);
+ if (sae_check_big_sync(sta))
+ return WLAN_STATUS_SUCCESS;
+ sta->sae->sync++;
+
+ ret = auth_sae_send_commit(hapd, sta, bssid, 0);
if (ret)
return ret;
+
+ sae_set_retransmit_timer(hapd, sta);
} else {
/*
* For instructure BSS, send the postponed Confirm from
}
break;
case SAE_CONFIRMED:
+ sae_clear_retransmit_timer(hapd, sta);
if (auth_transaction == 1) {
+ if (sae_check_big_sync(sta))
+ return WLAN_STATUS_SUCCESS;
+ sta->sae->sync++;
+
ret = auth_sae_send_commit(hapd, sta, bssid, 1);
if (ret)
return ret;
ret = auth_sae_send_confirm(hapd, sta, bssid);
if (ret)
return ret;
+
+ sae_set_retransmit_timer(hapd, sta);
} else {
sta->flags |= WLAN_STA_AUTH;
sta->auth_alg = WLAN_AUTH_SAE;
MAC2STR(sta->addr));
ap_free_sta(hapd, sta);
} else {
+ if (sae_check_big_sync(sta))
+ return WLAN_STATUS_SUCCESS;
+ sta->sae->sync++;
+
ret = auth_sae_send_confirm(hapd, sta, bssid);
sae_clear_temp_data(sta->sae);
if (ret)
static void handle_auth_sae(struct hostapd_data *hapd, struct sta_info *sta,
const struct ieee80211_mgmt *mgmt, size_t len,
- u8 auth_transaction)
+ u16 auth_transaction, u16 status_code)
{
u16 resp = WLAN_STATUS_SUCCESS;
struct wpabuf *data = NULL;
if (!sta->sae) {
- if (auth_transaction != 1)
+ if (auth_transaction != 1 || status_code != WLAN_STATUS_SUCCESS)
return;
sta->sae = os_zalloc(sizeof(*sta->sae));
if (sta->sae == NULL)
return;
sta->sae->state = SAE_NOTHING;
+ sta->sae->sync = 0;
}
if (auth_transaction == 1) {
- const u8 *token = NULL;
+ const u8 *token = NULL, *pos, *end;
size_t token_len = 0;
hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
HOSTAPD_LEVEL_DEBUG,
- "start SAE authentication (RX commit)");
+ "start SAE authentication (RX commit, status=%u)",
+ status_code);
if ((hapd->conf->mesh & MESH_ENABLED) &&
- mgmt->u.auth.status_code ==
- WLAN_STATUS_ANTI_CLOGGING_TOKEN_REQ && sta->sae->tmp) {
+ status_code == WLAN_STATUS_ANTI_CLOGGING_TOKEN_REQ &&
+ sta->sae->tmp) {
+ pos = mgmt->u.auth.variable;
+ end = ((const u8 *) mgmt) + len;
+ if (pos + sizeof(le16) > end) {
+ wpa_printf(MSG_ERROR,
+ "SAE: Too short anti-clogging token request");
+ resp = WLAN_STATUS_UNSPECIFIED_FAILURE;
+ goto reply;
+ }
+ resp = sae_group_allowed(sta->sae,
+ hapd->conf->sae_groups,
+ WPA_GET_LE16(pos));
+ if (resp != WLAN_STATUS_SUCCESS) {
+ wpa_printf(MSG_ERROR,
+ "SAE: Invalid group in anti-clogging token request");
+ goto reply;
+ }
+ pos += sizeof(le16);
+
wpabuf_free(sta->sae->tmp->anti_clogging_token);
sta->sae->tmp->anti_clogging_token =
- wpabuf_alloc_copy(mgmt->u.auth.variable,
- ((const u8 *) mgmt) + len -
- mgmt->u.auth.variable);
+ wpabuf_alloc_copy(pos, end - pos);
if (sta->sae->tmp->anti_clogging_token == NULL) {
wpa_printf(MSG_ERROR,
"SAE: Failed to alloc for anti-clogging token");
return;
}
sta->sae->state = SAE_COMMITTED;
+ sta->sae->sync = 0;
+ sae_set_retransmit_timer(hapd, sta);
return;
}
+ if (status_code != WLAN_STATUS_SUCCESS)
+ return;
+
resp = sae_parse_commit(sta->sae, mgmt->u.auth.variable,
((const u8 *) mgmt) + len -
mgmt->u.auth.variable, &token,
&token_len, hapd->conf->sae_groups);
+ if (resp == SAE_SILENTLY_DISCARD) {
+ wpa_printf(MSG_DEBUG,
+ "SAE: Drop commit message from " MACSTR " due to reflection attack",
+ MAC2STR(sta->addr));
+ return;
+ }
if (token && check_sae_token(hapd, sta->addr, token, token_len)
< 0) {
wpa_printf(MSG_DEBUG, "SAE: Drop commit message with "
wpa_printf(MSG_DEBUG,
"SAE: Request anti-clogging token from "
MACSTR, MAC2STR(sta->addr));
- data = auth_build_token_req(hapd, sta->addr);
+ data = auth_build_token_req(hapd, sta->sae->group,
+ sta->addr);
resp = WLAN_STATUS_ANTI_CLOGGING_TOKEN_REQ;
if (hapd->conf->mesh & MESH_ENABLED)
sta->sae->state = SAE_NOTHING;
} else if (auth_transaction == 2) {
hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
HOSTAPD_LEVEL_DEBUG,
- "SAE authentication (RX confirm)");
+ "SAE authentication (RX confirm, status=%u)",
+ status_code);
+ if (status_code != WLAN_STATUS_SUCCESS)
+ return;
if (sta->sae->state >= SAE_CONFIRMED ||
!(hapd->conf->mesh & MESH_ENABLED)) {
if (sae_check_confirm(sta->sae, mgmt->u.auth.variable,
}
}
resp = sae_sm_step(hapd, sta, mgmt->bssid, auth_transaction);
-
} else {
hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
HOSTAPD_LEVEL_DEBUG,
- "unexpected SAE authentication transaction %u",
- auth_transaction);
+ "unexpected SAE authentication transaction %u (status=%u)",
+ auth_transaction, status_code);
+ if (status_code != WLAN_STATUS_SUCCESS)
+ return;
resp = WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION;
}
}
wpabuf_free(data);
}
+
+
+/**
+ * auth_sae_init_committed - Send COMMIT and start SAE in committed state
+ * @hapd: BSS data for the device initiating the authentication
+ * @sta: the peer to which commit authentication frame is sent
+ *
+ * This function implements Init event handling (IEEE Std 802.11-2012,
+ * 11.3.8.6.3) in which initial COMMIT message is sent. Prior to calling, the
+ * sta->sae structure should be initialized appropriately via a call to
+ * sae_prepare_commit().
+ */
+int auth_sae_init_committed(struct hostapd_data *hapd, struct sta_info *sta)
+{
+ int ret;
+
+ if (!sta->sae || !sta->sae->tmp)
+ return -1;
+
+ if (sta->sae->state != SAE_NOTHING)
+ return -1;
+
+ ret = auth_sae_send_commit(hapd, sta, hapd->own_addr, 0);
+ if (ret)
+ return -1;
+
+ sta->sae->state = SAE_COMMITTED;
+ sta->sae->sync = 0;
+ sae_set_retransmit_timer(hapd, sta);
+
+ return 0;
+}
+
#endif /* CONFIG_SAE */
challenge ? " challenge" : "",
seq_ctrl, (fc & WLAN_FC_RETRY) ? " retry" : "");
+#ifdef CONFIG_NO_RC4
+ if (auth_alg == WLAN_AUTH_SHARED_KEY) {
+ wpa_printf(MSG_INFO,
+ "Unsupported authentication algorithm (%d)",
+ auth_alg);
+ resp = WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG;
+ goto fail;
+ }
+#endif /* CONFIG_NO_RC4 */
+
if (hapd->tkip_countermeasures) {
resp = WLAN_REASON_MICHAEL_MIC_FAILURE;
goto fail;
goto fail;
}
+ if (hapd->conf->no_auth_if_seen_on) {
+ struct hostapd_data *other;
+
+ other = sta_track_seen_on(hapd->iface, mgmt->sa,
+ hapd->conf->no_auth_if_seen_on);
+ if (other) {
+ u8 *pos;
+ u32 info;
+ u8 op_class, channel, phytype;
+
+ wpa_printf(MSG_DEBUG, "%s: Reject authentication from "
+ MACSTR " since STA has been seen on %s",
+ hapd->conf->iface, MAC2STR(mgmt->sa),
+ hapd->conf->no_auth_if_seen_on);
+
+ resp = WLAN_STATUS_REJECTED_WITH_SUGGESTED_BSS_TRANSITION;
+ pos = &resp_ies[0];
+ *pos++ = WLAN_EID_NEIGHBOR_REPORT;
+ *pos++ = 13;
+ os_memcpy(pos, other->own_addr, ETH_ALEN);
+ pos += ETH_ALEN;
+ info = 0; /* TODO: BSSID Information */
+ WPA_PUT_LE32(pos, info);
+ pos += 4;
+ if (other->iconf->hw_mode == HOSTAPD_MODE_IEEE80211AD)
+ phytype = 8; /* dmg */
+ else if (other->iconf->ieee80211ac)
+ phytype = 9; /* vht */
+ else if (other->iconf->ieee80211n)
+ phytype = 7; /* ht */
+ else if (other->iconf->hw_mode ==
+ HOSTAPD_MODE_IEEE80211A)
+ phytype = 4; /* ofdm */
+ else if (other->iconf->hw_mode ==
+ HOSTAPD_MODE_IEEE80211G)
+ phytype = 6; /* erp */
+ else
+ phytype = 5; /* hrdsss */
+ if (ieee80211_freq_to_channel_ext(
+ hostapd_hw_get_freq(other,
+ other->iconf->channel),
+ other->iconf->secondary_channel,
+ other->iconf->ieee80211ac,
+ &op_class, &channel) == NUM_HOSTAPD_MODES) {
+ op_class = 0;
+ channel = other->iconf->channel;
+ }
+ *pos++ = op_class;
+ *pos++ = channel;
+ *pos++ = phytype;
+ resp_ies_len = pos - &resp_ies[0];
+ goto fail;
+ }
+ }
+
res = hostapd_allowed_address(hapd, mgmt->sa, (u8 *) mgmt, len,
&session_timeout,
&acct_interim_interval, &vlan_id,
if (hapd->conf->mesh & MESH_ENABLED) {
/* if the mesh peer is not available, we don't do auth.
*/
+ wpa_printf(MSG_DEBUG, "Mesh peer " MACSTR
+ " not yet known - drop Authentiation frame",
+ MAC2STR(mgmt->sa));
+ /*
+ * Save a copy of the frame so that it can be processed
+ * if a new peer entry is added shortly after this.
+ */
+ wpabuf_free(hapd->mesh_pending_auth);
+ hapd->mesh_pending_auth = wpabuf_alloc_copy(mgmt, len);
+ os_get_reltime(&hapd->mesh_pending_auth_time);
return;
}
#endif /* CONFIG_MESH */
sta->auth_alg = WLAN_AUTH_OPEN;
mlme_authenticate_indication(hapd, sta);
break;
+#ifndef CONFIG_NO_RC4
case WLAN_AUTH_SHARED_KEY:
resp = auth_shared_key(hapd, sta, auth_transaction, challenge,
fc & WLAN_FC_ISWEP);
resp_ies_len = 2 + WLAN_AUTH_CHALLENGE_LEN;
}
break;
+#endif /* CONFIG_NO_RC4 */
#ifdef CONFIG_IEEE80211R
case WLAN_AUTH_FT:
sta->auth_alg = WLAN_AUTH_FT;
#ifdef CONFIG_SAE
case WLAN_AUTH_SAE:
#ifdef CONFIG_MESH
- if (hapd->conf->mesh & MESH_ENABLED) {
+ if (status_code == WLAN_STATUS_SUCCESS &&
+ hapd->conf->mesh & MESH_ENABLED) {
if (sta->wpa_sm == NULL)
sta->wpa_sm =
wpa_auth_sta_init(hapd->wpa_auth,
}
}
#endif /* CONFIG_MESH */
- handle_auth_sae(hapd, sta, mgmt, len, auth_transaction);
+ handle_auth_sae(hapd, sta, mgmt, len, auth_transaction,
+ status_code);
return;
#endif /* CONFIG_SAE */
}
if (resp != WLAN_STATUS_SUCCESS)
return resp;
#ifdef CONFIG_IEEE80211N
- resp = copy_sta_ht_capab(hapd, sta, elems.ht_capabilities,
- elems.ht_capabilities_len);
+ resp = copy_sta_ht_capab(hapd, sta, elems.ht_capabilities);
if (resp != WLAN_STATUS_SUCCESS)
return resp;
if (hapd->iconf->ieee80211n && hapd->iconf->require_ht &&
#endif /* CONFIG_IEEE80211N */
#ifdef CONFIG_IEEE80211AC
- resp = copy_sta_vht_capab(hapd, sta, elems.vht_capabilities,
- elems.vht_capabilities_len);
+ resp = copy_sta_vht_capab(hapd, sta, elems.vht_capabilities);
if (resp != WLAN_STATUS_SUCCESS)
return resp;
"mandatory VHT PHY - reject association");
return WLAN_STATUS_ASSOC_DENIED_NO_VHT;
}
+
+ if (hapd->conf->vendor_vht && !elems.vht_capabilities) {
+ resp = copy_sta_vendor_vht(hapd, sta, elems.vendor_vht,
+ elems.vendor_vht_len);
+ if (resp != WLAN_STATUS_SUCCESS)
+ return resp;
+ }
#endif /* CONFIG_IEEE80211AC */
#ifdef CONFIG_P2P
sta->hs20_ie = NULL;
#endif /* CONFIG_HS20 */
+#ifdef CONFIG_FST
+ wpabuf_free(sta->mb_ies);
+ if (hapd->iface->fst)
+ sta->mb_ies = mb_ies_by_info(&elems.mb_ies);
+ else
+ sta->mb_ies = NULL;
+#endif /* CONFIG_FST */
+
return WLAN_STATUS_SUCCESS;
}
send_len = IEEE80211_HDRLEN;
send_len += sizeof(reply->u.assoc_resp);
reply->u.assoc_resp.capab_info =
- host_to_le16(hostapd_own_capab_info(hapd, sta, 0));
+ host_to_le16(hostapd_own_capab_info(hapd));
reply->u.assoc_resp.status_code = host_to_le16(status_code);
reply->u.assoc_resp.aid = host_to_le16(sta->aid | BIT(14) | BIT(15));
/* Supported rates */
#endif /* CONFIG_IEEE80211N */
#ifdef CONFIG_IEEE80211AC
- p = hostapd_eid_vht_capabilities(hapd, p);
- p = hostapd_eid_vht_operation(hapd, p);
+ if (hapd->iconf->ieee80211ac && !hapd->conf->disable_11ac) {
+ p = hostapd_eid_vht_capabilities(hapd, p);
+ p = hostapd_eid_vht_operation(hapd, p);
+ }
#endif /* CONFIG_IEEE80211AC */
p = hostapd_eid_ext_capab(hapd, p);
if (sta->qos_map_enabled)
p = hostapd_eid_qos_map_set(hapd, p);
+#ifdef CONFIG_FST
+ if (hapd->iface->fst_ies) {
+ os_memcpy(p, wpabuf_head(hapd->iface->fst_ies),
+ wpabuf_len(hapd->iface->fst_ies));
+ p += wpabuf_len(hapd->iface->fst_ies);
+ }
+#endif /* CONFIG_FST */
+
+#ifdef CONFIG_IEEE80211AC
+ if (hapd->conf->vendor_vht && (sta->flags & WLAN_STA_VENDOR_VHT))
+ p = hostapd_eid_vendor_vht(hapd, p);
+#endif /* CONFIG_IEEE80211AC */
+
if (sta->flags & WLAN_STA_WMM)
p = hostapd_eid_wmm(hapd, p);
ieee802_11_rx_wnm_action_ap(hapd, mgmt, len);
return 1;
#endif /* CONFIG_WNM */
+#ifdef CONFIG_FST
+ case WLAN_ACTION_FST:
+ if (hapd->iface->fst)
+ fst_rx_action(hapd->iface->fst, mgmt, len);
+ else
+ wpa_printf(MSG_DEBUG,
+ "FST: Ignore FST Action frame - no FST attached");
+ return 1;
+#endif /* CONFIG_FST */
case WLAN_ACTION_PUBLIC:
case WLAN_ACTION_PROTECTED_DUAL:
#ifdef CONFIG_IEEE80211N
- if (mgmt->u.action.u.public_action.action ==
+ if (len >= IEEE80211_HDRLEN + 2 &&
+ mgmt->u.action.u.public_action.action ==
WLAN_PA_20_40_BSS_COEX) {
wpa_printf(MSG_DEBUG,
"HT20/40 coex mgmt frame received from STA "
return 0;
}
+ if (hapd->iconf->track_sta_max_num)
+ sta_track_add(hapd->iface, mgmt->sa);
+
switch (stype) {
case WLAN_FC_STYPE_AUTH:
wpa_printf(MSG_DEBUG, "mgmt::auth");
char *ifname_wds)
{
int i;
- struct hostapd_ssid *ssid = sta->ssid;
+ struct hostapd_ssid *ssid = &hapd->conf->ssid;
if (hapd->conf->ieee802_1x || hapd->conf->wpa)
return;
* so bind it to the selected VLAN interface now, since the
* interface selection is not going to change anymore.
*/
- if (ap_sta_bind_vlan(hapd, sta, 0) < 0)
+ if (ap_sta_bind_vlan(hapd, sta) < 0)
return;
} else if (sta->vlan_id) {
/* VLAN ID already set (e.g., by PMKSA caching), so bind STA */
- if (ap_sta_bind_vlan(hapd, sta, 0) < 0)
+ if (ap_sta_bind_vlan(hapd, sta) < 0)
return;
}
projects / mech_eap.git / blobdiff