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Diffstat (limited to 'src/ap/ieee802_11.c')
-rw-r--r--src/ap/ieee802_11.c162
1 files changed, 127 insertions, 35 deletions
diff --git a/src/ap/ieee802_11.c b/src/ap/ieee802_11.c
index 89911b1fdd42f..7bb18c01d1a19 100644
--- a/src/ap/ieee802_11.c
+++ b/src/ap/ieee802_11.c
@@ -23,6 +23,7 @@
#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"
@@ -38,6 +39,7 @@
#include "p2p_hostapd.h"
#include "ap_drv_ops.h"
#include "wnm_ap.h"
+#include "hw_features.h"
#include "ieee802_11.h"
#include "dfs.h"
@@ -132,8 +134,7 @@ u8 * hostapd_eid_ext_supp_rates(struct hostapd_data *hapd, u8 *eid)
}
-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;
@@ -166,20 +167,6 @@ u16 hostapd_own_capab_info(struct hostapd_data *hapd, struct sta_info *sta,
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;
@@ -206,6 +193,7 @@ u16 hostapd_own_capab_info(struct hostapd_data *hapd, struct sta_info *sta,
}
+#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)
@@ -259,6 +247,7 @@ static u16 auth_shared_key(struct hostapd_data *hapd, struct sta_info *sta,
return 0;
}
+#endif /* CONFIG_NO_RC4 */
static void send_auth_reply(struct hostapd_data *hapd,
@@ -328,7 +317,6 @@ static void handle_auth_ft_finish(void *ctx, const u8 *dst, const u8 *bssid,
#ifdef CONFIG_SAE
-#define dot11RSNASAERetransPeriod 40 /* msec */
#define dot11RSNASAESync 5 /* attempts */
@@ -511,12 +499,14 @@ static void auth_sae_retransmit_timer(void *eloop_ctx, void *eloop_data)
switch (sta->sae->state) {
case SAE_COMMITTED:
ret = auth_sae_send_commit(hapd, sta, hapd->own_addr, 0);
- eloop_register_timeout(0, dot11RSNASAERetransPeriod * 1000,
+ 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, dot11RSNASAERetransPeriod * 1000,
+ eloop_register_timeout(0,
+ hapd->dot11RSNASAERetransPeriod * 1000,
auth_sae_retransmit_timer, hapd, sta);
break;
default:
@@ -542,7 +532,7 @@ static void sae_set_retransmit_timer(struct hostapd_data *hapd,
return;
eloop_cancel_timeout(auth_sae_retransmit_timer, hapd, sta);
- eloop_register_timeout(0, dot11RSNASAERetransPeriod * 1000,
+ eloop_register_timeout(0, hapd->dot11RSNASAERetransPeriod * 1000,
auth_sae_retransmit_timer, hapd, sta);
}
@@ -624,7 +614,7 @@ static int sae_sm_step(struct hostapd_data *hapd, struct sta_info *sta,
return WLAN_STATUS_SUCCESS;
sta->sae->sync++;
- ret = auth_sae_send_commit(hapd, sta, bssid, 1);
+ ret = auth_sae_send_commit(hapd, sta, bssid, 0);
if (ret)
return ret;
@@ -784,6 +774,12 @@ static void handle_auth_sae(struct hostapd_data *hapd, struct sta_info *sta,
((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 "
@@ -934,6 +930,16 @@ static void handle_auth(struct hostapd_data *hapd,
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;
@@ -972,6 +978,61 @@ static void handle_auth(struct hostapd_data *hapd,
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,
@@ -1081,6 +1142,7 @@ static void handle_auth(struct hostapd_data *hapd,
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);
@@ -1094,6 +1156,7 @@ static void handle_auth(struct hostapd_data *hapd,
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;
@@ -1297,8 +1360,7 @@ static u16 check_assoc_ies(struct hostapd_data *hapd, struct sta_info *sta,
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 &&
@@ -1311,14 +1373,15 @@ static u16 check_assoc_ies(struct hostapd_data *hapd, struct sta_info *sta,
#endif /* CONFIG_IEEE80211N */
#ifdef CONFIG_IEEE80211AC
- resp = copy_sta_vht_capab(hapd, sta, elems.vht_capabilities,
- elems.vht_capabilities_len);
- if (resp != WLAN_STATUS_SUCCESS)
- return resp;
+ if (hapd->iconf->ieee80211ac) {
+ resp = copy_sta_vht_capab(hapd, sta, elems.vht_capabilities);
+ if (resp != WLAN_STATUS_SUCCESS)
+ return resp;
- resp = set_sta_vht_opmode(hapd, sta, elems.vht_opmode_notif);
- if (resp != WLAN_STATUS_SUCCESS)
- return resp;
+ resp = set_sta_vht_opmode(hapd, sta, elems.vht_opmode_notif);
+ if (resp != WLAN_STATUS_SUCCESS)
+ return resp;
+ }
if (hapd->iconf->ieee80211ac && hapd->iconf->require_vht &&
!(sta->flags & WLAN_STA_VHT)) {
@@ -1546,6 +1609,14 @@ static u16 check_assoc_ies(struct hostapd_data *hapd, struct sta_info *sta,
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;
}
@@ -1594,7 +1665,7 @@ static void send_assoc_resp(struct hostapd_data *hapd, struct sta_info *sta,
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 */
@@ -1634,6 +1705,14 @@ static void send_assoc_resp(struct hostapd_data *hapd, struct sta_info *sta,
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);
@@ -2112,10 +2191,20 @@ static int handle_action(struct hostapd_data *hapd,
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 "
@@ -2248,6 +2337,9 @@ int ieee802_11_mgmt(struct hostapd_data *hapd, const u8 *buf, size_t len,
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");
@@ -2335,7 +2427,7 @@ static void hostapd_set_wds_encryption(struct hostapd_data *hapd,
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;
@@ -2473,11 +2565,11 @@ static void handle_assoc_cb(struct hostapd_data *hapd,
* 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;
}