Updated to hostap_2_6
[mech_eap.git] / libeap / src / ap / ieee802_1x.c
index 0f2d428..80ff996 100644 (file)
@@ -34,6 +34,9 @@
 #include "ieee802_1x.h"
 
 
+#ifdef CONFIG_HS20
+static void ieee802_1x_wnm_notif_send(void *eloop_ctx, void *timeout_ctx);
+#endif /* CONFIG_HS20 */
 static void ieee802_1x_finished(struct hostapd_data *hapd,
                                struct sta_info *sta, int success,
                                int remediation);
@@ -219,7 +222,7 @@ static void ieee802_1x_tx_key(struct hostapd_data *hapd, struct sta_info *sta)
                   MAC2STR(sta->addr));
 
 #ifndef CONFIG_NO_VLAN
-       if (sta->vlan_id > 0 && sta->vlan_id <= MAX_VLAN_ID) {
+       if (sta->vlan_id > 0) {
                wpa_printf(MSG_ERROR, "Using WEP with vlans is not supported.");
                return;
        }
@@ -402,7 +405,16 @@ static int add_common_radius_sta_attr(struct hostapd_data *hapd,
        char buf[128];
 
        if (!hostapd_config_get_radius_attr(req_attr,
+                                           RADIUS_ATTR_SERVICE_TYPE) &&
+           !radius_msg_add_attr_int32(msg, RADIUS_ATTR_SERVICE_TYPE,
+                                      RADIUS_SERVICE_TYPE_FRAMED)) {
+               wpa_printf(MSG_ERROR, "Could not add Service-Type");
+               return -1;
+       }
+
+       if (!hostapd_config_get_radius_attr(req_attr,
                                            RADIUS_ATTR_NAS_PORT) &&
+           sta->aid > 0 &&
            !radius_msg_add_attr_int32(msg, RADIUS_ATTR_NAS_PORT, sta->aid)) {
                wpa_printf(MSG_ERROR, "Could not add NAS-Port");
                return -1;
@@ -435,9 +447,9 @@ static int add_common_radius_sta_attr(struct hostapd_data *hapd,
                return -1;
        }
 
-       if (sta->acct_session_id_hi || sta->acct_session_id_lo) {
-               os_snprintf(buf, sizeof(buf), "%08X-%08X",
-                           sta->acct_session_id_hi, sta->acct_session_id_lo);
+       if (sta->acct_session_id) {
+               os_snprintf(buf, sizeof(buf), "%016llX",
+                           (unsigned long long) sta->acct_session_id);
                if (!radius_msg_add_attr(msg, RADIUS_ATTR_ACCT_SESSION_ID,
                                         (u8 *) buf, os_strlen(buf))) {
                        wpa_printf(MSG_ERROR, "Could not add Acct-Session-Id");
@@ -445,6 +457,21 @@ static int add_common_radius_sta_attr(struct hostapd_data *hapd,
                }
        }
 
+       if ((hapd->conf->wpa & 2) &&
+           !hapd->conf->disable_pmksa_caching &&
+           sta->eapol_sm && sta->eapol_sm->acct_multi_session_id) {
+               os_snprintf(buf, sizeof(buf), "%016llX",
+                           (unsigned long long)
+                           sta->eapol_sm->acct_multi_session_id);
+               if (!radius_msg_add_attr(
+                           msg, RADIUS_ATTR_ACCT_MULTI_SESSION_ID,
+                           (u8 *) buf, os_strlen(buf))) {
+                       wpa_printf(MSG_INFO,
+                                  "Could not add Acct-Multi-Session-Id");
+                       return -1;
+               }
+       }
+
 #ifdef CONFIG_IEEE80211R
        if (hapd->conf->wpa && wpa_key_mgmt_ft(hapd->conf->wpa_key_mgmt) &&
            sta->wpa_sm &&
@@ -475,6 +502,7 @@ int add_common_radius_attr(struct hostapd_data *hapd,
 {
        char buf[128];
        struct hostapd_radius_attr *attr;
+       int len;
 
        if (!hostapd_config_get_radius_attr(req_attr,
                                            RADIUS_ATTR_NAS_IP_ADDRESS) &&
@@ -506,15 +534,15 @@ int add_common_radius_attr(struct hostapd_data *hapd,
                return -1;
        }
 
-       os_snprintf(buf, sizeof(buf), RADIUS_802_1X_ADDR_FORMAT ":%s",
-                   MAC2STR(hapd->own_addr),
-                   wpa_ssid_txt(hapd->conf->ssid.ssid,
-                                hapd->conf->ssid.ssid_len));
-       buf[sizeof(buf) - 1] = '\0';
+       len = os_snprintf(buf, sizeof(buf), RADIUS_802_1X_ADDR_FORMAT ":",
+                         MAC2STR(hapd->own_addr));
+       os_memcpy(&buf[len], hapd->conf->ssid.ssid,
+                 hapd->conf->ssid.ssid_len);
+       len += hapd->conf->ssid.ssid_len;
        if (!hostapd_config_get_radius_attr(req_attr,
                                            RADIUS_ATTR_CALLED_STATION_ID) &&
            !radius_msg_add_attr(msg, RADIUS_ATTR_CALLED_STATION_ID,
-                                (u8 *) buf, os_strlen(buf))) {
+                                (u8 *) buf, len)) {
                wpa_printf(MSG_ERROR, "Could not add Called-Station-Id");
                return -1;
        }
@@ -583,7 +611,10 @@ static void ieee802_1x_encapsulate_radius(struct hostapd_data *hapd,
                return;
        }
 
-       radius_msg_make_authenticator(msg, (u8 *) sta, sizeof(*sta));
+       if (radius_msg_make_authenticator(msg) < 0) {
+               wpa_printf(MSG_INFO, "Could not make Request Authenticator");
+               goto fail;
+       }
 
        if (sm->identity &&
            !radius_msg_add_attr(msg, RADIUS_ATTR_USER_NAME,
@@ -831,6 +862,29 @@ ieee802_1x_alloc_eapol_sm(struct hostapd_data *hapd, struct sta_info *sta)
 }
 
 
+static void ieee802_1x_save_eapol(struct sta_info *sta, const u8 *buf,
+                                 size_t len)
+{
+       if (sta->pending_eapol_rx) {
+               wpabuf_free(sta->pending_eapol_rx->buf);
+       } else {
+               sta->pending_eapol_rx =
+                       os_malloc(sizeof(*sta->pending_eapol_rx));
+               if (!sta->pending_eapol_rx)
+                       return;
+       }
+
+       sta->pending_eapol_rx->buf = wpabuf_alloc_copy(buf, len);
+       if (!sta->pending_eapol_rx->buf) {
+               os_free(sta->pending_eapol_rx);
+               sta->pending_eapol_rx = NULL;
+               return;
+       }
+
+       os_get_reltime(&sta->pending_eapol_rx->rx_time);
+}
+
+
 /**
  * ieee802_1x_receive - Process the EAPOL frames from the Supplicant
  * @hapd: hostapd BSS data
@@ -861,6 +915,13 @@ void ieee802_1x_receive(struct hostapd_data *hapd, const u8 *sa, const u8 *buf,
                     !(hapd->iface->drv_flags & WPA_DRIVER_FLAGS_WIRED))) {
                wpa_printf(MSG_DEBUG, "IEEE 802.1X data frame from not "
                           "associated/Pre-authenticating STA");
+
+               if (sta && (sta->flags & WLAN_STA_AUTH)) {
+                       wpa_printf(MSG_DEBUG, "Saving EAPOL frame from " MACSTR
+                                  " for later use", MAC2STR(sta->addr));
+                       ieee802_1x_save_eapol(sta, buf, len);
+               }
+
                return;
        }
 
@@ -1047,7 +1108,7 @@ void ieee802_1x_new_station(struct hostapd_data *hapd, struct sta_info *sta)
                 * Clear any possible EAPOL authenticator state to support
                 * reassociation change from WPS to PSK.
                 */
-               ieee802_1x_free_station(sta);
+               ieee802_1x_free_station(hapd, sta);
                return;
        }
 
@@ -1058,7 +1119,7 @@ void ieee802_1x_new_station(struct hostapd_data *hapd, struct sta_info *sta)
                 * Clear any possible EAPOL authenticator state to support
                 * reassociation change from WPA-EAP to PSK.
                 */
-               ieee802_1x_free_station(sta);
+               ieee802_1x_free_station(hapd, sta);
                return;
        }
 
@@ -1106,6 +1167,7 @@ void ieee802_1x_new_station(struct hostapd_data *hapd, struct sta_info *sta)
                sta->eapol_sm->be_auth_state = BE_AUTH_SUCCESS;
                sta->eapol_sm->authSuccess = TRUE;
                sta->eapol_sm->authFail = FALSE;
+               sta->eapol_sm->portValid = TRUE;
                if (sta->eapol_sm->eap)
                        eap_sm_notify_cached(sta->eapol_sm->eap);
                /* TODO: get vlan_id from R0KH using RRB message */
@@ -1128,7 +1190,7 @@ void ieee802_1x_new_station(struct hostapd_data *hapd, struct sta_info *sta)
                sta->eapol_sm->authFail = FALSE;
                if (sta->eapol_sm->eap)
                        eap_sm_notify_cached(sta->eapol_sm->eap);
-               pmksa_cache_to_eapol_data(pmksa, sta->eapol_sm);
+               pmksa_cache_to_eapol_data(hapd, pmksa, sta->eapol_sm);
                ap_sta_bind_vlan(hapd, sta);
        } else {
                if (reassoc) {
@@ -1144,10 +1206,20 @@ void ieee802_1x_new_station(struct hostapd_data *hapd, struct sta_info *sta)
 }
 
 
-void ieee802_1x_free_station(struct sta_info *sta)
+void ieee802_1x_free_station(struct hostapd_data *hapd, struct sta_info *sta)
 {
        struct eapol_state_machine *sm = sta->eapol_sm;
 
+#ifdef CONFIG_HS20
+       eloop_cancel_timeout(ieee802_1x_wnm_notif_send, hapd, sta);
+#endif /* CONFIG_HS20 */
+
+       if (sta->pending_eapol_rx) {
+               wpabuf_free(sta->pending_eapol_rx->buf);
+               os_free(sta->pending_eapol_rx);
+               sta->pending_eapol_rx = NULL;
+       }
+
        if (sm == NULL)
                return;
 
@@ -1156,10 +1228,8 @@ void ieee802_1x_free_station(struct sta_info *sta)
 #ifndef CONFIG_NO_RADIUS
        radius_msg_free(sm->last_recv_radius);
        radius_free_class(&sm->radius_class);
-       wpabuf_free(sm->radius_cui);
 #endif /* CONFIG_NO_RADIUS */
 
-       os_free(sm->identity);
        eapol_auth_free(sm);
 }
 
@@ -1592,10 +1662,16 @@ ieee802_1x_receive_auth(struct radius_msg *msg, struct radius_msg *req,
        struct hostapd_data *hapd = data;
        struct sta_info *sta;
        u32 session_timeout = 0, termination_action, acct_interim_interval;
-       int session_timeout_set, vlan_id = 0;
+       int session_timeout_set;
        struct eapol_state_machine *sm;
        int override_eapReq = 0;
        struct radius_hdr *hdr = radius_msg_get_hdr(msg);
+       struct vlan_description vlan_desc;
+#ifndef CONFIG_NO_VLAN
+       int *untagged, *tagged, *notempty;
+#endif /* CONFIG_NO_VLAN */
+
+       os_memset(&vlan_desc, 0, sizeof(vlan_desc));
 
        sm = ieee802_1x_search_radius_identifier(hapd, hdr->identifier);
        if (sm == NULL) {
@@ -1659,27 +1735,32 @@ ieee802_1x_receive_auth(struct radius_msg *msg, struct radius_msg *req,
 
        switch (hdr->code) {
        case RADIUS_CODE_ACCESS_ACCEPT:
-               if (hapd->conf->ssid.dynamic_vlan == DYNAMIC_VLAN_DISABLED)
-                       vlan_id = 0;
 #ifndef CONFIG_NO_VLAN
-               else
-                       vlan_id = radius_msg_get_vlanid(msg);
-               if (vlan_id > 0 &&
-                   hostapd_vlan_id_valid(hapd->conf->vlan, vlan_id)) {
-                       hostapd_logger(hapd, sta->addr,
-                                      HOSTAPD_MODULE_RADIUS,
-                                      HOSTAPD_LEVEL_INFO,
-                                      "VLAN ID %d", vlan_id);
-               } else if (vlan_id > 0) {
+               if (hapd->conf->ssid.dynamic_vlan != DYNAMIC_VLAN_DISABLED) {
+                       notempty = &vlan_desc.notempty;
+                       untagged = &vlan_desc.untagged;
+                       tagged = vlan_desc.tagged;
+                       *notempty = !!radius_msg_get_vlanid(msg, untagged,
+                                                           MAX_NUM_TAGGED_VLAN,
+                                                           tagged);
+               }
+
+               if (vlan_desc.notempty &&
+                   !hostapd_vlan_valid(hapd->conf->vlan, &vlan_desc)) {
                        sta->eapol_sm->authFail = TRUE;
                        hostapd_logger(hapd, sta->addr,
                                       HOSTAPD_MODULE_RADIUS,
                                       HOSTAPD_LEVEL_INFO,
-                                      "Invalid VLAN ID %d received from RADIUS server",
-                                      vlan_id);
+                                      "Invalid VLAN %d%s received from RADIUS server",
+                                      vlan_desc.untagged,
+                                      vlan_desc.tagged[0] ? "+" : "");
+                       os_memset(&vlan_desc, 0, sizeof(vlan_desc));
+                       ap_sta_set_vlan(hapd, sta, &vlan_desc);
                        break;
-               } else if (hapd->conf->ssid.dynamic_vlan ==
-                          DYNAMIC_VLAN_REQUIRED) {
+               }
+
+               if (hapd->conf->ssid.dynamic_vlan == DYNAMIC_VLAN_REQUIRED &&
+                   !vlan_desc.notempty) {
                        sta->eapol_sm->authFail = TRUE;
                        hostapd_logger(hapd, sta->addr,
                                       HOSTAPD_MODULE_IEEE8021X,
@@ -1690,7 +1771,18 @@ ieee802_1x_receive_auth(struct radius_msg *msg, struct radius_msg *req,
                }
 #endif /* CONFIG_NO_VLAN */
 
-               sta->vlan_id = vlan_id;
+               if (ap_sta_set_vlan(hapd, sta, &vlan_desc) < 0)
+                       break;
+
+#ifndef CONFIG_NO_VLAN
+               if (sta->vlan_id > 0) {
+                       hostapd_logger(hapd, sta->addr,
+                                      HOSTAPD_MODULE_RADIUS,
+                                      HOSTAPD_LEVEL_INFO,
+                                      "VLAN ID %d", sta->vlan_id);
+               }
+#endif /* CONFIG_NO_VLAN */
+
                if ((sta->flags & WLAN_STA_ASSOC) &&
                    ap_sta_bind_vlan(hapd, sta) < 0)
                        break;
@@ -1715,15 +1807,6 @@ ieee802_1x_receive_auth(struct radius_msg *msg, struct radius_msg *req,
                ieee802_1x_check_hs20(hapd, sta, msg,
                                      session_timeout_set ?
                                      (int) session_timeout : -1);
-               if (sm->eap_if->eapKeyAvailable && !sta->remediation &&
-                   !sta->hs20_deauth_requested &&
-                   wpa_auth_pmksa_add(sta->wpa_sm, sm->eapol_key_crypt,
-                                      session_timeout_set ?
-                                      (int) session_timeout : -1, sm) == 0) {
-                       hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_WPA,
-                                      HOSTAPD_LEVEL_DEBUG,
-                                      "Added PMKSA cache entry");
-               }
                break;
        case RADIUS_CODE_ACCESS_REJECT:
                sm->eap_if->aaaFail = TRUE;
@@ -2190,7 +2273,7 @@ void ieee802_1x_deinit(struct hostapd_data *hapd)
 {
        eloop_cancel_timeout(ieee802_1x_rekey, hapd, NULL);
 
-       if (hapd->driver != NULL &&
+       if (hapd->driver && hapd->drv_priv &&
            (hapd->conf->ieee802_1x || hapd->conf->wpa))
                hostapd_set_drv_ieee8021x(hapd, hapd->conf->iface, 0);
 
@@ -2495,12 +2578,12 @@ int ieee802_1x_get_mib_sta(struct hostapd_data *hapd, struct sta_info *sta,
                          /* TODO: dot1xAuthSessionOctetsTx */
                          /* TODO: dot1xAuthSessionFramesRx */
                          /* TODO: dot1xAuthSessionFramesTx */
-                         "dot1xAuthSessionId=%08X-%08X\n"
+                         "dot1xAuthSessionId=%016llX\n"
                          "dot1xAuthSessionAuthenticMethod=%d\n"
                          "dot1xAuthSessionTime=%u\n"
                          "dot1xAuthSessionTerminateCause=999\n"
                          "dot1xAuthSessionUserName=%s\n",
-                         sta->acct_session_id_hi, sta->acct_session_id_lo,
+                         (unsigned long long) sta->acct_session_id,
                          (wpa_key_mgmt_wpa_ieee8021x(
                                   wpa_auth_sta_key_mgmt(sta->wpa_sm))) ?
                          1 : 2,
@@ -2510,11 +2593,11 @@ int ieee802_1x_get_mib_sta(struct hostapd_data *hapd, struct sta_info *sta,
                return len;
        len += ret;
 
-       if (sm->acct_multi_session_id_hi) {
+       if (sm->acct_multi_session_id) {
                ret = os_snprintf(buf + len, buflen - len,
-                                 "authMultiSessionId=%08X+%08X\n",
-                                 sm->acct_multi_session_id_hi,
-                                 sm->acct_multi_session_id_lo);
+                                 "authMultiSessionId=%016llX\n",
+                                 (unsigned long long)
+                                 sm->acct_multi_session_id);
                if (os_snprintf_error(buflen - len, ret))
                        return len;
                len += ret;
@@ -2535,6 +2618,34 @@ int ieee802_1x_get_mib_sta(struct hostapd_data *hapd, struct sta_info *sta,
 }
 
 
+#ifdef CONFIG_HS20
+static void ieee802_1x_wnm_notif_send(void *eloop_ctx, void *timeout_ctx)
+{
+       struct hostapd_data *hapd = eloop_ctx;
+       struct sta_info *sta = timeout_ctx;
+
+       if (sta->remediation) {
+               wpa_printf(MSG_DEBUG, "HS 2.0: Send WNM-Notification to "
+                          MACSTR " to indicate Subscription Remediation",
+                          MAC2STR(sta->addr));
+               hs20_send_wnm_notification(hapd, sta->addr,
+                                          sta->remediation_method,
+                                          sta->remediation_url);
+               os_free(sta->remediation_url);
+               sta->remediation_url = NULL;
+       }
+
+       if (sta->hs20_deauth_req) {
+               wpa_printf(MSG_DEBUG, "HS 2.0: Send WNM-Notification to "
+                          MACSTR " to indicate imminent deauthentication",
+                          MAC2STR(sta->addr));
+               hs20_send_wnm_notification_deauth_req(hapd, sta->addr,
+                                                     sta->hs20_deauth_req);
+       }
+}
+#endif /* CONFIG_HS20 */
+
+
 static void ieee802_1x_finished(struct hostapd_data *hapd,
                                struct sta_info *sta, int success,
                                int remediation)
@@ -2554,26 +2665,12 @@ static void ieee802_1x_finished(struct hostapd_data *hapd,
                sta->remediation_method = 1; /* SOAP-XML SPP */
        }
 
-       if (success) {
-               if (sta->remediation) {
-                       wpa_printf(MSG_DEBUG, "HS 2.0: Send WNM-Notification "
-                                  "to " MACSTR " to indicate Subscription "
-                                  "Remediation",
-                                  MAC2STR(sta->addr));
-                       hs20_send_wnm_notification(hapd, sta->addr,
-                                                  sta->remediation_method,
-                                                  sta->remediation_url);
-                       os_free(sta->remediation_url);
-                       sta->remediation_url = NULL;
-               }
-
-               if (sta->hs20_deauth_req) {
-                       wpa_printf(MSG_DEBUG, "HS 2.0: Send WNM-Notification "
-                                  "to " MACSTR " to indicate imminent "
-                                  "deauthentication", MAC2STR(sta->addr));
-                       hs20_send_wnm_notification_deauth_req(
-                               hapd, sta->addr, sta->hs20_deauth_req);
-               }
+       if (success && (sta->remediation || sta->hs20_deauth_req)) {
+               wpa_printf(MSG_DEBUG, "HS 2.0: Schedule WNM-Notification to "
+                          MACSTR " in 100 ms", MAC2STR(sta->addr));
+               eloop_cancel_timeout(ieee802_1x_wnm_notif_send, hapd, sta);
+               eloop_register_timeout(0, 100000, ieee802_1x_wnm_notif_send,
+                                      hapd, sta);
        }
 #endif /* CONFIG_HS20 */
 
@@ -2584,7 +2681,7 @@ static void ieee802_1x_finished(struct hostapd_data *hapd,
                session_timeout = dot11RSNAConfigPMKLifetime;
        if (success && key && len >= PMK_LEN && !sta->remediation &&
            !sta->hs20_deauth_requested &&
-           wpa_auth_pmksa_add(sta->wpa_sm, key, session_timeout,
+           wpa_auth_pmksa_add(sta->wpa_sm, key, len, session_timeout,
                               sta->eapol_sm) == 0) {
                hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_WPA,
                               HOSTAPD_LEVEL_DEBUG,